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Change all calls to rpc_nfs_fsinfo to rpc_nfs3_fsinfo
[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;
84004dbf
RS		 96};
97
98void nfs_free_nfsdir(struct nfsdir *nfsdir)
99{
100 while (nfsdir->entries) {
101 struct nfsdirent *dirent = nfsdir->entries->next;
102 if (nfsdir->entries->name != NULL) {
103 free(nfsdir->entries->name);
104 }
105 free(nfsdir->entries);
106 nfsdir->entries = dirent;
107 }
108 free(nfsdir);
109}
110
84004dbf
RS		 111struct nfs_cb_data;
112typedef int (*continue_func)(struct nfs_context *nfs, struct nfs_cb_data *data);
113
114struct nfs_cb_data {
115 struct nfs_context *nfs;
116 struct nfsfh *nfsfh;
117 char *saved_path, *path;
118
119 nfs_cb cb;
120 void *private_data;
121
122 continue_func continue_cb;
123 void *continue_data;
124 void (*free_continue_data)(void *);
125 int continue_int;
126
127 struct nfs_fh3 fh;
921f877b
RS		 128
129 /* for multi-read/write calls. */
130 int error;
131 int cancel;
132 int num_calls;
183451cf 133 uint64_t start_offset, max_offset;
921f877b
RS		 134 char *buffer;
135};
136
137struct nfs_mcb_data {
138 struct nfs_cb_data *data;
183451cf
RS		 139 uint64_t offset;
140 uint64_t count;
84004dbf
RS		 141};
142
143static int nfs_lookup_path_async_internal(struct nfs_context *nfs, struct nfs_cb_data *data, struct nfs_fh3 *fh);
144
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 }
337 nfs->rpc = rpc_init_context();
338 if (nfs->rpc == NULL) {
84004dbf
RS		 339 free(nfs);
340 return NULL;
341 }
342
b077fdeb
RS		 343 nfs->server = NULL;
344 nfs->export = NULL;
345
963c2f83
RS		 346 nfs->rootfh.data.data_len = 0;
347 nfs->rootfh.data.data_val = NULL;
348
84004dbf
RS		 349 return nfs;
350}
351
352void nfs_destroy_context(struct nfs_context *nfs)
353{
354 rpc_destroy_context(nfs->rpc);
355 nfs->rpc = NULL;
356
357 if (nfs->server) {
358 free(nfs->server);
359 nfs->server = NULL;
360 }
361
362 if (nfs->export) {
363 free(nfs->export);
364 nfs->export = NULL;
365 }
366
367 if (nfs->rootfh.data.data_val != NULL) {
368 free(nfs->rootfh.data.data_val);
369 nfs->rootfh.data.data_val = NULL;
370 }
371
372 free(nfs);
373}
374
8733f38d
RS		 375struct rpc_cb_data {
376 char *server;
377 uint32_t program;
378 uint32_t version;
379
380 rpc_cb cb;
381 void *private_data;
382};
383
384void free_rpc_cb_data(struct rpc_cb_data *data)
385{
386 free(data->server);
387 data->server = NULL;
388 free(data);
389}
390
391static void rpc_connect_program_4_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
392{
393 struct rpc_cb_data *data = private_data;
394
395 assert(rpc->magic == RPC_CONTEXT_MAGIC);
396
397 /* Dont want any more callbacks even if the socket is closed */
398 rpc->connect_cb = NULL;
399
400 if (status == RPC_STATUS_ERROR) {
401 data->cb(rpc, status, command_data, data->private_data);
402 free_rpc_cb_data(data);
403 return;
404 }
405 if (status == RPC_STATUS_CANCEL) {
406 data->cb(rpc, status, "Command was cancelled", data->private_data);
407 free_rpc_cb_data(data);
408 return;
409 }
410
411 data->cb(rpc, status, NULL, data->private_data);
412 free_rpc_cb_data(data);
413}
414
415static void rpc_connect_program_3_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
416{
417 struct rpc_cb_data *data = private_data;
418 uint32_t rpc_port;
419
420 assert(rpc->magic == RPC_CONTEXT_MAGIC);
421
422 if (status == RPC_STATUS_ERROR) {
423 data->cb(rpc, status, command_data, data->private_data);
424 free_rpc_cb_data(data);
425 return;
426 }
427 if (status == RPC_STATUS_CANCEL) {
428 data->cb(rpc, status, "Command was cancelled", data->private_data);
429 free_rpc_cb_data(data);
430 return;
431 }
432
433 rpc_port = *(uint32_t *)command_data;
434 if (rpc_port == 0) {
435 rpc_set_error(rpc, "RPC error. Program is not available on %s", data->server);
436 data->cb(rpc, RPC_STATUS_ERROR, rpc_get_error(rpc), data->private_data);
437 free_rpc_cb_data(data);
438 return;
439 }
440
441 rpc_disconnect(rpc, "normal disconnect");
442 if (rpc_connect_async(rpc, data->server, rpc_port, rpc_connect_program_4_cb, data) != 0) {
443 data->cb(rpc, status, command_data, data->private_data);
444 free_rpc_cb_data(data);
445 return;
446 }
447}
448
449static void rpc_connect_program_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
450{
451 struct rpc_cb_data *data = private_data;
452
453 assert(rpc->magic == RPC_CONTEXT_MAGIC);
454
455 if (status == RPC_STATUS_ERROR) {
456 data->cb(rpc, status, command_data, data->private_data);
457 free_rpc_cb_data(data);
458 return;
459 }
460 if (status == RPC_STATUS_CANCEL) {
461 data->cb(rpc, status, "Command was cancelled", data->private_data);
462 free_rpc_cb_data(data);
463 return;
464 }
465
466 if (rpc_pmap_getport_async(rpc, data->program, data->version, IPPROTO_TCP, rpc_connect_program_3_cb, private_data) != 0) {
467 data->cb(rpc, status, command_data, data->private_data);
468 free_rpc_cb_data(data);
469 return;
470 }
471}
472
473static void rpc_connect_program_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
474{
475 struct rpc_cb_data *data = private_data;
476
477 assert(rpc->magic == RPC_CONTEXT_MAGIC);
478
479 /* Dont want any more callbacks even if the socket is closed */
480 rpc->connect_cb = NULL;
481
482 if (status == RPC_STATUS_ERROR) {
483 data->cb(rpc, status, command_data, data->private_data);
484 free_rpc_cb_data(data);
485 return;
486 }
487 if (status == RPC_STATUS_CANCEL) {
488 data->cb(rpc, status, "Command was cancelled", data->private_data);
489 free_rpc_cb_data(data);
490 return;
491 }
492
493 if (rpc_pmap_null_async(rpc, rpc_connect_program_2_cb, data) != 0) {
494 data->cb(rpc, status, command_data, data->private_data);
495 free_rpc_cb_data(data);
496 return;
497 }
498}
499
500int rpc_connect_program_async(struct rpc_context *rpc, char *server, int program, int version, rpc_cb cb, void *private_data)
501{
502 struct rpc_cb_data *data;
503
504 data = malloc(sizeof(struct rpc_cb_data));
505 if (data == NULL) {
506 return -1;
507 }
508 memset(data, 0, sizeof(struct rpc_cb_data));
509 data->server = strdup(server);
510 data->program = program;
511 data->version = version;
512
513 data->cb = cb;
514 data->private_data = private_data;
515
516 if (rpc_connect_async(rpc, server, 111, rpc_connect_program_1_cb, data) != 0) {
517 rpc_set_error(rpc, "Failed to start connection");
518 free_rpc_cb_data(data);
519 return -1;
520 }
521 return 0;
522}
523
84004dbf
RS		 524void free_nfs_cb_data(struct nfs_cb_data *data)
525{
526 if (data->saved_path != NULL) {
527 free(data->saved_path);
528 data->saved_path = NULL;
529 }
530
531 if (data->continue_data != NULL) {
532 data->free_continue_data(data->continue_data);
533 data->continue_data = NULL;
534 }
535
536 if (data->fh.data.data_val != NULL) {
537 free(data->fh.data.data_val);
538 data->fh.data.data_val = NULL;
539 }
540
921f877b
RS		 541 if (data->buffer != NULL) {
542 free(data->buffer);
543 data->buffer = NULL;
544 }
545
84004dbf
RS		 546 free(data);
547}
548
549
550
551
552
f3a75078 553static void nfs_mount_10_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 554{
555 struct nfs_cb_data *data = private_data;
556 struct nfs_context *nfs = data->nfs;
557
f3a75078
RS		 558 assert(rpc->magic == RPC_CONTEXT_MAGIC);
559
84004dbf
RS		 560 if (status == RPC_STATUS_ERROR) {
561 data->cb(-EFAULT, nfs, command_data, data->private_data);
562 free_nfs_cb_data(data);
563 return;
564 }
565 if (status == RPC_STATUS_CANCEL) {
566 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
567 free_nfs_cb_data(data);
568 return;
569 }
570
571 data->cb(0, nfs, NULL, data->private_data);
572 free_nfs_cb_data(data);
573}
574
17ef62fa 575static void nfs_mount_9_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 576{
577 struct nfs_cb_data *data = private_data;
578 struct nfs_context *nfs = data->nfs;
17ef62fa 579 FSINFO3res *res = command_data;
463d59bf 580 struct GETATTR3args args;
84004dbf 581
f3a75078
RS		 582 assert(rpc->magic == RPC_CONTEXT_MAGIC);
583
84004dbf
RS		 584 if (status == RPC_STATUS_ERROR) {
585 data->cb(-EFAULT, nfs, command_data, data->private_data);
586 free_nfs_cb_data(data);
587 return;
588 }
589 if (status == RPC_STATUS_CANCEL) {
590 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
591 free_nfs_cb_data(data);
592 return;
593 }
594
17ef62fa
RS		 595 nfs->readmax = res->FSINFO3res_u.resok.rtmax;
596 nfs->writemax = res->FSINFO3res_u.resok.wtmax;
84004dbf 597
463d59bf
RS		 598 memset(&args, 0, sizeof(GETATTR3args));
599 args.object.data.data_len = nfs->rootfh.data.data_len;
600 args.object.data.data_val = nfs->rootfh.data.data_val;
601
602 if (rpc_nfs3_getattr_async(rpc, nfs_mount_10_cb, &args, data) != 0) {
84004dbf
RS		 603 data->cb(-ENOMEM, nfs, command_data, data->private_data);
604 free_nfs_cb_data(data);
605 return;
606 }
607}
608
17ef62fa
RS		 609static void nfs_mount_8_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
610{
611 struct nfs_cb_data *data = private_data;
612 struct nfs_context *nfs = data->nfs;
c4ba61c5 613 struct FSINFO3args args;
17ef62fa 614
f3a75078
RS		 615 assert(rpc->magic == RPC_CONTEXT_MAGIC);
616
17ef62fa
RS		 617 if (status == RPC_STATUS_ERROR) {
618 data->cb(-EFAULT, nfs, command_data, data->private_data);
619 free_nfs_cb_data(data);
620 return;
621 }
622 if (status == RPC_STATUS_CANCEL) {
623 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
624 free_nfs_cb_data(data);
625 return;
626 }
627
c4ba61c5
RS		 628 args.fsroot = nfs->rootfh;
629 if (rpc_nfs3_fsinfo_async(rpc, nfs_mount_9_cb, &args, data) != 0) {
17ef62fa
RS		 630 data->cb(-ENOMEM, nfs, command_data, data->private_data);
631 free_nfs_cb_data(data);
632 return;
633 }
634}
635
636
84004dbf
RS		 637static void nfs_mount_7_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
638{
639 struct nfs_cb_data *data = private_data;
640 struct nfs_context *nfs = data->nfs;
641
f3a75078
RS		 642 assert(rpc->magic == RPC_CONTEXT_MAGIC);
643
14a062eb
RS		 644 /* Dont want any more callbacks even if the socket is closed */
645 rpc->connect_cb = NULL;
646
84004dbf
RS		 647 if (status == RPC_STATUS_ERROR) {
648 data->cb(-EFAULT, nfs, command_data, data->private_data);
649 free_nfs_cb_data(data);
650 return;
651 }
652 if (status == RPC_STATUS_CANCEL) {
653 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
654 free_nfs_cb_data(data);
655 return;
656 }
657
dc3ed8c3 658 if (rpc_nfs3_null_async(rpc, nfs_mount_8_cb, data) != 0) {
84004dbf
RS		 659 data->cb(-ENOMEM, nfs, command_data, data->private_data);
660 free_nfs_cb_data(data);
661 return;
662 }
663}
664
665
666static void nfs_mount_6_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
667{
668 struct nfs_cb_data *data = private_data;
669 struct nfs_context *nfs = data->nfs;
670 mountres3 *res;
671
f3a75078
RS		 672 assert(rpc->magic == RPC_CONTEXT_MAGIC);
673
84004dbf
RS		 674 if (status == RPC_STATUS_ERROR) {
675 data->cb(-EFAULT, nfs, command_data, data->private_data);
676 free_nfs_cb_data(data);
677 return;
678 }
679 if (status == RPC_STATUS_CANCEL) {
680 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
681 free_nfs_cb_data(data);
682 return;
683 }
684
685 res = command_data;
686 if (res->fhs_status != MNT3_OK) {
687 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));
688 data->cb(mountstat3_to_errno(res->fhs_status), nfs, rpc_get_error(rpc), data->private_data);
689 free_nfs_cb_data(data);
690 return;
691 }
692
693 nfs->rootfh.data.data_len = res->mountres3_u.mountinfo.fhandle.fhandle3_len;
694 nfs->rootfh.data.data_val = malloc(nfs->rootfh.data.data_len);
695 if (nfs->rootfh.data.data_val == NULL) {
696 rpc_set_error(rpc, "Out of memory. Could not allocate memory to store root filehandle");
697 data->cb(-ENOMEM, nfs, rpc_get_error(rpc), data->private_data);
698 free_nfs_cb_data(data);
699 return;
700 }
701 memcpy(nfs->rootfh.data.data_val, res->mountres3_u.mountinfo.fhandle.fhandle3_val, nfs->rootfh.data.data_len);
702
703 rpc_disconnect(rpc, "normal disconnect");
704 if (rpc_connect_async(rpc, nfs->server, 2049, nfs_mount_7_cb, data) != 0) {
705 data->cb(-ENOMEM, nfs, command_data, data->private_data);
706 free_nfs_cb_data(data);
707 return;
708 }
1744ef90
RS		 709 /* NFS TCP connections we want to autoreconnect after sessions are torn down (due to inactivity or error) */
710 rpc_set_autoreconnect(rpc);
84004dbf
RS		 711}
712
713
714static void nfs_mount_5_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
715{
716 struct nfs_cb_data *data = private_data;
717 struct nfs_context *nfs = data->nfs;
718
f3a75078
RS		 719 assert(rpc->magic == RPC_CONTEXT_MAGIC);
720
84004dbf
RS		 721 if (status == RPC_STATUS_ERROR) {
722 data->cb(-EFAULT, nfs, command_data, data->private_data);
723 free_nfs_cb_data(data);
724 return;
725 }
726 if (status == RPC_STATUS_CANCEL) {
727 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
728 free_nfs_cb_data(data);
729 return;
730 }
731
eda77ec3 732 if (rpc_mount3_mnt_async(rpc, nfs_mount_6_cb, nfs->export, data) != 0) {
84004dbf
RS		 733 data->cb(-ENOMEM, nfs, command_data, data->private_data);
734 free_nfs_cb_data(data);
735 return;
736 }
737}
738
739static void nfs_mount_4_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
740{
741 struct nfs_cb_data *data = private_data;
742 struct nfs_context *nfs = data->nfs;
743
f3a75078
RS		 744 assert(rpc->magic == RPC_CONTEXT_MAGIC);
745
14a062eb
RS		 746 /* Dont want any more callbacks even if the socket is closed */
747 rpc->connect_cb = NULL;
748
84004dbf
RS		 749 if (status == RPC_STATUS_ERROR) {
750 data->cb(-EFAULT, nfs, command_data, data->private_data);
751 free_nfs_cb_data(data);
752 return;
753 }
754 if (status == RPC_STATUS_CANCEL) {
755 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
756 free_nfs_cb_data(data);
757 return;
758 }
759
eda77ec3 760 if (rpc_mount3_null_async(rpc, nfs_mount_5_cb, data) != 0) {
84004dbf
RS		 761 data->cb(-ENOMEM, nfs, command_data, data->private_data);
762 free_nfs_cb_data(data);
763 return;
764 }
765}
766
767static void nfs_mount_3_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
768{
769 struct nfs_cb_data *data = private_data;
770 struct nfs_context *nfs = data->nfs;
771 uint32_t mount_port;
772
f3a75078
RS		 773 assert(rpc->magic == RPC_CONTEXT_MAGIC);
774
84004dbf
RS		 775 if (status == RPC_STATUS_ERROR) {
776 data->cb(-EFAULT, nfs, command_data, data->private_data);
777 free_nfs_cb_data(data);
778 return;
779 }
780 if (status == RPC_STATUS_CANCEL) {
781 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
782 free_nfs_cb_data(data);
783 return;
784 }
785
786 mount_port = *(uint32_t *)command_data;
787 if (mount_port == 0) {
788 rpc_set_error(rpc, "RPC error. Mount program is not available on %s", nfs->server);
789 data->cb(-ENOENT, nfs, command_data, data->private_data);
790 free_nfs_cb_data(data);
791 return;
792 }
793
794 rpc_disconnect(rpc, "normal disconnect");
795 if (rpc_connect_async(rpc, nfs->server, mount_port, nfs_mount_4_cb, data) != 0) {
796 data->cb(-ENOMEM, nfs, command_data, data->private_data);
797 free_nfs_cb_data(data);
798 return;
799 }
800}
801
802
803static void nfs_mount_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
804{
805 struct nfs_cb_data *data = private_data;
806 struct nfs_context *nfs = data->nfs;
807
f3a75078
RS		 808 assert(rpc->magic == RPC_CONTEXT_MAGIC);
809
84004dbf
RS		 810 if (status == RPC_STATUS_ERROR) {
811 data->cb(-EFAULT, nfs, command_data, data->private_data);
812 free_nfs_cb_data(data);
813 return;
814 }
815 if (status == RPC_STATUS_CANCEL) {
816 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
817 free_nfs_cb_data(data);
818 return;
819 }
820
5c6b1176 821 if (rpc_pmap_getport_async(rpc, MOUNT_PROGRAM, MOUNT_V3, IPPROTO_TCP, nfs_mount_3_cb, private_data) != 0) {
84004dbf
RS		 822 data->cb(-ENOMEM, nfs, command_data, data->private_data);
823 free_nfs_cb_data(data);
824 return;
825 }
826}
827
828static void nfs_mount_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
829{
830 struct nfs_cb_data *data = private_data;
831 struct nfs_context *nfs = data->nfs;
832
f3a75078
RS		 833 assert(rpc->magic == RPC_CONTEXT_MAGIC);
834
14a062eb
RS		 835 /* Dont want any more callbacks even if the socket is closed */
836 rpc->connect_cb = NULL;
837
84004dbf
RS		 838 if (status == RPC_STATUS_ERROR) {
839 data->cb(-EFAULT, nfs, command_data, data->private_data);
840 free_nfs_cb_data(data);
841 return;
842 }
843 if (status == RPC_STATUS_CANCEL) {
844 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
845 free_nfs_cb_data(data);
846 return;
847 }
848
849 if (rpc_pmap_null_async(rpc, nfs_mount_2_cb, data) != 0) {
850 data->cb(-ENOMEM, nfs, command_data, data->private_data);
851 free_nfs_cb_data(data);
852 return;
853 }
854}
855
856/*
857 * Async call for mounting an nfs share and geting the root filehandle
858 */
859int nfs_mount_async(struct nfs_context *nfs, const char *server, const char *export, nfs_cb cb, void *private_data)
860{
861 struct nfs_cb_data *data;
b077fdeb 862 char *new_server, *new_export;
84004dbf
RS		 863
864 data = malloc(sizeof(struct nfs_cb_data));
865 if (data == NULL) {
cbbf9d3e 866 rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for nfs mount data");
84004dbf
RS		 867 return -1;
868 }
ea98629a 869 memset(data, 0, sizeof(struct nfs_cb_data));
b077fdeb
RS		 870 new_server = strdup(server);
871 new_export = strdup(export);
872 if (nfs->server != NULL) {
873 free(nfs->server);
b077fdeb
RS		 874 }
875 nfs->server = new_server;
876 if (nfs->export != NULL) {
877 free(nfs->export);
b077fdeb
RS		 878 }
879 nfs->export = new_export;
84004dbf
RS		 880 data->nfs = nfs;
881 data->cb = cb;
882 data->private_data = private_data;
883
884 if (rpc_connect_async(nfs->rpc, server, 111, nfs_mount_1_cb, data) != 0) {
cbbf9d3e 885 rpc_set_error(nfs->rpc, "Failed to start connection");
84004dbf 886 free_nfs_cb_data(data);
cbbf9d3e 887 return -1;
84004dbf
RS		 888 }
889
890 return 0;
891}
892
893
894
895/*
896 * Functions to first look up a path, component by component, and then finally call a specific function once
897 * the filehandle for the final component is found.
898 */
f3a75078 899static void nfs_lookup_path_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 900{
901 struct nfs_cb_data *data = private_data;
902 struct nfs_context *nfs = data->nfs;
903 LOOKUP3res *res;
904
f3a75078
RS		 905 assert(rpc->magic == RPC_CONTEXT_MAGIC);
906
84004dbf
RS		 907 if (status == RPC_STATUS_ERROR) {
908 data->cb(-EFAULT, nfs, command_data, data->private_data);
909 free_nfs_cb_data(data);
910 return;
911 }
912 if (status == RPC_STATUS_CANCEL) {
913 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
914 free_nfs_cb_data(data);
915 return;
916 }
917
918 res = command_data;
919 if (res->status != NFS3_OK) {
920 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));
921 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
922 free_nfs_cb_data(data);
923 return;
924 }
925
926 if (nfs_lookup_path_async_internal(nfs, data, &res->LOOKUP3res_u.resok.object) != 0) {
927 rpc_set_error(nfs->rpc, "Failed to create lookup pdu");
928 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
929 free_nfs_cb_data(data);
930 return;
931 }
932}
933
934static int nfs_lookup_path_async_internal(struct nfs_context *nfs, struct nfs_cb_data *data, struct nfs_fh3 *fh)
935{
936 char *path, *str;
463d59bf 937 LOOKUP3args args;
84004dbf
RS		 938
939 while (*data->path == '/') {
940 data->path++;
941 }
942
943 path = data->path;
93e9306f 944 str = strchr(path, '/');
84004dbf
RS		 945 if (str != NULL) {
946 *str = 0;
947 data->path = str+1;
948 } else {
949 while (*data->path != 0) {
950 data->path++;
951 }
952 }
953
954 if (*path == 0) {
955 data->fh.data.data_len = fh->data.data_len;
956 data->fh.data.data_val = malloc(data->fh.data.data_len);
957 if (data->fh.data.data_val == NULL) {
958 rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh for %s", data->path);
959 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
960 free_nfs_cb_data(data);
961 return -1;
962 }
963 memcpy(data->fh.data.data_val, fh->data.data_val, data->fh.data.data_len);
964 data->continue_cb(nfs, data);
965 return 0;
966 }
967
463d59bf
RS		 968
969 memset(&args, 0, sizeof(LOOKUP3args));
970 args.what.dir.data.data_len = fh->data.data_len;
971 args.what.dir.data.data_val = fh->data.data_val;
972 args.what.name = path;
973
974 if (rpc_nfs3_lookup_async(nfs->rpc, nfs_lookup_path_1_cb, &args, data) != 0) {
84004dbf
RS		 975 rpc_set_error(nfs->rpc, "RPC error: Failed to send lookup call for %s", data->path);
976 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
977 free_nfs_cb_data(data);
978 return -1;
979 }
980 return 0;
981}
982
983static 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)
984{
985 struct nfs_cb_data *data;
986
73f4ae7c
RS		 987 if (path[0] != 0 && path[0] != '/') {
988 rpc_set_error(nfs->rpc, "Pathname is not absolute %s", path);
84004dbf
RS		 989 return -1;
990 }
991
992 data = malloc(sizeof(struct nfs_cb_data));
993 if (data == NULL) {
994 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
cbbf9d3e 995 return -1;
84004dbf 996 }
ea98629a 997 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 998 data->nfs = nfs;
999 data->cb = cb;
1000 data->continue_cb = continue_cb;
1001 data->continue_data = continue_data;
1002 data->free_continue_data = free_continue_data;
1003 data->continue_int = continue_int;
1004 data->private_data = private_data;
1005 data->saved_path = strdup(path);
1006 if (data->saved_path == NULL) {
1007 rpc_set_error(nfs->rpc, "out of memory: failed to copy path string");
84004dbf 1008 free_nfs_cb_data(data);
cbbf9d3e 1009 return -1;
84004dbf
RS		 1010 }
1011 data->path = data->saved_path;
1012
1013 if (nfs_lookup_path_async_internal(nfs, data, &nfs->rootfh) != 0) {
84004dbf
RS		 1014 /* return 0 here since the callback will be invoked if there is a failure */
1015 return 0;
1016 }
1017 return 0;
1018}
1019
1020
1021
1022
1023
1024/*
1025 * Async stat()
1026 */
f3a75078 1027static void nfs_stat_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 1028{
1029 GETATTR3res *res;
1030 struct nfs_cb_data *data = private_data;
1031 struct nfs_context *nfs = data->nfs;
1032 struct stat st;
1033
f3a75078
RS		 1034 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1035
84004dbf
RS		 1036 if (status == RPC_STATUS_ERROR) {
1037 data->cb(-EFAULT, nfs, command_data, data->private_data);
1038 free_nfs_cb_data(data);
1039 return;
1040 }
1041 if (status == RPC_STATUS_CANCEL) {
1042 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1043 free_nfs_cb_data(data);
1044 return;
1045 }
1046
1047 res = command_data;
1048 if (res->status != NFS3_OK) {
1049 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));
1050 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1051 free_nfs_cb_data(data);
1052 return;
1053 }
1054
1055 st.st_dev = -1;
1056 st.st_ino = res->GETATTR3res_u.resok.obj_attributes.fileid;
1057 st.st_mode = res->GETATTR3res_u.resok.obj_attributes.mode;
e8cab72a
RS		 1058 if (res->GETATTR3res_u.resok.obj_attributes.type == NF3DIR) {
1059 st.st_mode |= S_IFDIR ;
1060 }
d7ec001f
RS		 1061 if (res->GETATTR3res_u.resok.obj_attributes.type == NF3REG) {
1062 st.st_mode |= S_IFREG ;
1063 }
84004dbf
RS		 1064 st.st_nlink = res->GETATTR3res_u.resok.obj_attributes.nlink;
1065 st.st_uid = res->GETATTR3res_u.resok.obj_attributes.uid;
1066 st.st_gid = res->GETATTR3res_u.resok.obj_attributes.gid;
1067 st.st_rdev = 0;
1068 st.st_size = res->GETATTR3res_u.resok.obj_attributes.size;
a8a1b858 1069#ifndef WIN32
84004dbf
RS		 1070 st.st_blksize = 4096;
1071 st.st_blocks = res->GETATTR3res_u.resok.obj_attributes.size / 4096;
a8a1b858 1072#endif//WIN32
84004dbf
RS		 1073 st.st_atime = res->GETATTR3res_u.resok.obj_attributes.atime.seconds;
1074 st.st_mtime = res->GETATTR3res_u.resok.obj_attributes.mtime.seconds;
1075 st.st_ctime = res->GETATTR3res_u.resok.obj_attributes.ctime.seconds;
1076
1077 data->cb(0, nfs, &st, data->private_data);
1078 free_nfs_cb_data(data);
1079}
1080
1081static int nfs_stat_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
1082{
463d59bf
RS		 1083 struct GETATTR3args args;
1084
1085 memset(&args, 0, sizeof(GETATTR3args));
1086 args.object.data.data_len = data->fh.data.data_len;
1087 args.object.data.data_val = data->fh.data.data_val;
1088
1089 if (rpc_nfs3_getattr_async(nfs->rpc, nfs_stat_1_cb, &args, data) != 0) {
84004dbf
RS		 1090 rpc_set_error(nfs->rpc, "RPC error: Failed to send STAT GETATTR call for %s", data->path);
1091 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1092 free_nfs_cb_data(data);
1093 return -1;
1094 }
1095 return 0;
1096}
1097
1098int nfs_stat_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
1099{
1100 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_stat_continue_internal, NULL, NULL, 0) != 0) {
cbbf9d3e 1101 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 1102 return -1;
1103 }
1104
1105 return 0;
1106}
1107
1108
1109
1110
1111
1112/*
1113 * Async open()
1114 */
f3a75078 1115static void nfs_open_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 1116{
1117 ACCESS3res *res;
1118 struct nfs_cb_data *data = private_data;
1119 struct nfs_context *nfs = data->nfs;
1120 struct nfsfh *nfsfh;
1121 unsigned int nfsmode = 0;
1122
f3a75078
RS		 1123 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1124
84004dbf
RS		 1125 if (status == RPC_STATUS_ERROR) {
1126 data->cb(-EFAULT, nfs, command_data, data->private_data);
1127 free_nfs_cb_data(data);
1128 return;
1129 }
1130 if (status == RPC_STATUS_CANCEL) {
1131 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1132 free_nfs_cb_data(data);
1133 return;
1134 }
1135
1136 res = command_data;
1137 if (res->status != NFS3_OK) {
1138 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));
1139 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1140 free_nfs_cb_data(data);
1141 return;
1142 }
1143
1144 if (data->continue_int & O_WRONLY) {
1145 nfsmode |= ACCESS3_MODIFY;
1146 }
1147 if (data->continue_int & O_RDWR) {
1148 nfsmode |= ACCESS3_READ|ACCESS3_MODIFY;
1149 }
1150 if (!(data->continue_int & (O_WRONLY|O_RDWR))) {
1151 nfsmode |= ACCESS3_READ;
1152 }
1153
1154
1155 if (res->ACCESS3res_u.resok.access != nfsmode) {
1156 rpc_set_error(nfs->rpc, "NFS: ACCESS denied. Required access %c%c%c. Allowed access %c%c%c",
1157 nfsmode&ACCESS3_READ?'r':'-',
1158 nfsmode&ACCESS3_MODIFY?'w':'-',
1159 nfsmode&ACCESS3_EXECUTE?'x':'-',
1160 res->ACCESS3res_u.resok.access&ACCESS3_READ?'r':'-',
1161 res->ACCESS3res_u.resok.access&ACCESS3_MODIFY?'w':'-',
1162 res->ACCESS3res_u.resok.access&ACCESS3_EXECUTE?'x':'-');
1163 data->cb(-EACCES, nfs, rpc_get_error(nfs->rpc), data->private_data);
1164 free_nfs_cb_data(data);
1165 return;
1166 }
1167
1168 nfsfh = malloc(sizeof(struct nfsfh));
1169 if (nfsfh == NULL) {
1170 rpc_set_error(nfs->rpc, "NFS: Failed to allocate nfsfh structure");
1171 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1172 free_nfs_cb_data(data);
1173 return;
1174 }
ea98629a 1175 memset(nfsfh, 0, sizeof(struct nfsfh));
84004dbf
RS		 1176
1177 if (data->continue_int & O_SYNC) {
1178 nfsfh->is_sync = 1;
1179 }
1180
1181 /* steal the filehandle */
1182 nfsfh->fh.data.data_len = data->fh.data.data_len;
1183 nfsfh->fh.data.data_val = data->fh.data.data_val;
1184 data->fh.data.data_val = NULL;
1185
1186 data->cb(0, nfs, nfsfh, data->private_data);
1187 free_nfs_cb_data(data);
1188}
1189
1190static int nfs_open_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
1191{
1192 int nfsmode = 0;
463d59bf 1193 ACCESS3args args;
84004dbf
RS		 1194
1195 if (data->continue_int & O_WRONLY) {
1196 nfsmode |= ACCESS3_MODIFY;
1197 }
1198 if (data->continue_int & O_RDWR) {
1199 nfsmode |= ACCESS3_READ|ACCESS3_MODIFY;
1200 }
1201 if (!(data->continue_int & (O_WRONLY|O_RDWR))) {
1202 nfsmode |= ACCESS3_READ;
1203 }
1204
463d59bf
RS		 1205 memset(&args, 0, sizeof(ACCESS3args));
1206 args.object.data.data_len = data->fh.data.data_len;
1207 args.object.data.data_val = data->fh.data.data_val;
1208 args.access = nfsmode;
1209
1210 if (rpc_nfs3_access_async(nfs->rpc, nfs_open_cb, &args, data) != 0) {
84004dbf
RS		 1211 rpc_set_error(nfs->rpc, "RPC error: Failed to send OPEN ACCESS call for %s", data->path);
1212 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1213 free_nfs_cb_data(data);
1214 return -1;
1215 }
1216 return 0;
1217}
1218
1219int nfs_open_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data)
1220{
1221 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_open_continue_internal, NULL, NULL, mode) != 0) {
cbbf9d3e
RS		 1222 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
1223 return -1;
84004dbf
RS		 1224 }
1225
1226 return 0;
1227}
1228
1229
1230
1231
1232
1233/*
1234 * Async pread()
1235 */
f3a75078 1236static void nfs_pread_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 1237{
1238 struct nfs_cb_data *data = private_data;
1239 struct nfs_context *nfs = data->nfs;
1240 READ3res *res;
1241
f3a75078
RS		 1242 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1243
84004dbf
RS		 1244 if (status == RPC_STATUS_ERROR) {
1245 data->cb(-EFAULT, nfs, command_data, data->private_data);
1246 free_nfs_cb_data(data);
1247 return;
1248 }
1249 if (status == RPC_STATUS_CANCEL) {
1250 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1251 free_nfs_cb_data(data);
1252 return;
1253 }
1254
1255 res = command_data;
1256 if (res->status != NFS3_OK) {
1257 rpc_set_error(nfs->rpc, "NFS: Read failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1258 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1259 free_nfs_cb_data(data);
1260 return;
1261 }
1262
1263 data->nfsfh->offset += res->READ3res_u.resok.count;
1264 data->cb(res->READ3res_u.resok.count, nfs, res->READ3res_u.resok.data.data_val, data->private_data);
1265 free_nfs_cb_data(data);
1266}
1267
f3a75078 1268static void nfs_pread_mcb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
921f877b
RS		 1269{
1270 struct nfs_mcb_data *mdata = private_data;
1271 struct nfs_cb_data *data = mdata->data;
1272 struct nfs_context *nfs = data->nfs;
1273 READ3res *res;
1274
f3a75078
RS		 1275 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1276
921f877b
RS		 1277 data->num_calls--;
1278
1279 if (status == RPC_STATUS_ERROR) {
1280 /* flag the failure but do not invoke callback until we have received all responses */
1281 data->error = 1;
1282 }
1283 if (status == RPC_STATUS_CANCEL) {
1284 /* flag the cancellation but do not invoke callback until we have received all responses */
1285 data->cancel = 1;
1286 }
1287
1288 /* reassemble the data into the buffer */
1289 if (status == RPC_STATUS_SUCCESS) {
1290 res = command_data;
1291 if (res->status != NFS3_OK) {
1292 rpc_set_error(nfs->rpc, "NFS: Read failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1293 data->error = 1;
e4a5ba42
RS		 1294 } else {
1295 if (res->READ3res_u.resok.count > 0) {
1296 memcpy(&data->buffer[mdata->offset - data->start_offset], res->READ3res_u.resok.data.data_val, res->READ3res_u.resok.count);
1297 if ((unsigned)data->max_offset < mdata->offset + res->READ3res_u.resok.count) {
1298 data->max_offset = mdata->offset + res->READ3res_u.resok.count;
1299 }
921f877b
RS		 1300 }
1301 }
1302 }
1303
1304 if (data->num_calls > 0) {
1305 /* still waiting for more replies */
1306 free(mdata);
1307 return;
1308 }
1309
921f877b
RS		 1310 if (data->error != 0) {
1311 data->cb(-EFAULT, nfs, command_data, data->private_data);
1312 free_nfs_cb_data(data);
1313 free(mdata);
1314 return;
1315 }
1316 if (data->cancel != 0) {
1317 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1318 free_nfs_cb_data(data);
1319 free(mdata);
1320 return;
1321 }
1322
1323 data->nfsfh->offset = data->max_offset;
7ed9d87a
RS		 1324 data->cb(data->max_offset - data->start_offset, nfs, data->buffer, data->private_data);
1325
921f877b
RS		 1326 free_nfs_cb_data(data);
1327 free(mdata);
1328}
1329
183451cf 1330int nfs_pread_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t offset, uint64_t count, nfs_cb cb, void *private_data)
84004dbf
RS		 1331{
1332 struct nfs_cb_data *data;
1333
1334 data = malloc(sizeof(struct nfs_cb_data));
1335 if (data == NULL) {
1336 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 1337 return -1;
1338 }
ea98629a 1339 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 1340 data->nfs = nfs;
1341 data->cb = cb;
1342 data->private_data = private_data;
1343 data->nfsfh = nfsfh;
1344
1345 nfsfh->offset = offset;
921f877b
RS		 1346
1347 if (count <= nfs_get_readmax(nfs)) {
463d59bf
RS		 1348 READ3args args;
1349
1350 memset(&args, 0, sizeof(READ3args));
1351 args.file.data.data_len = nfsfh->fh.data.data_len;
1352 args.file.data.data_val = nfsfh->fh.data.data_val;
1353 args.offset = offset;
1354 args.count = count;
1355
1356 if (rpc_nfs3_read_async(nfs->rpc, nfs_pread_cb, &args, data) != 0) {
921f877b
RS		 1357 rpc_set_error(nfs->rpc, "RPC error: Failed to send READ call for %s", data->path);
1358 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1359 free_nfs_cb_data(data);
1360 return -1;
1361 }
1362 return 0;
1363 }
1364
1365 /* trying to read more than maximum server read size, we has to chop it up into smaller
1366 * reads and collect into a reassembly buffer.
cd67ec7d 1367 * we send all reads in parallel so that performance is still good.
921f877b 1368 */
7ed9d87a 1369 data->max_offset = offset;
921f877b
RS		 1370 data->start_offset = offset;
1371
1372 data->buffer = malloc(count);
1373 if (data->buffer == NULL) {
1374 rpc_set_error(nfs->rpc, "Out-Of-Memory: Failed to allocate reassembly buffer for %d bytes", (int)count);
84004dbf
RS		 1375 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1376 free_nfs_cb_data(data);
1377 return -1;
1378 }
921f877b
RS		 1379
1380 while (count > 0) {
183451cf 1381 uint64_t readcount = count;
921f877b 1382 struct nfs_mcb_data *mdata;
463d59bf 1383 READ3args args;
921f877b
RS		 1384
1385 if (readcount > nfs_get_readmax(nfs)) {
1386 readcount = nfs_get_readmax(nfs);
1387 }
1388
1389 mdata = malloc(sizeof(struct nfs_mcb_data));
1390 if (mdata == NULL) {
1391 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_mcb_data structure");
921f877b
RS		 1392 return -1;
1393 }
ea98629a 1394 memset(mdata, 0, sizeof(struct nfs_mcb_data));
921f877b
RS		 1395 mdata->data = data;
1396 mdata->offset = offset;
1397 mdata->count = readcount;
463d59bf
RS		 1398
1399 memset(&args, 0, sizeof(READ3args));
1400 args.file.data.data_len = nfsfh->fh.data.data_len;
1401 args.file.data.data_val = nfsfh->fh.data.data_val;
1402 args.offset = offset;
1403 args.count = readcount;
1404
1405 if (rpc_nfs3_read_async(nfs->rpc, nfs_pread_mcb, &args, mdata) != 0) {
921f877b
RS		 1406 rpc_set_error(nfs->rpc, "RPC error: Failed to send READ call for %s", data->path);
1407 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1408 free(mdata);
1409 return -1;
1410 }
1411
1412 count -= readcount;
1413 offset += readcount;
1414 data->num_calls++;
1415 }
1416
1417 return 0;
84004dbf
RS		 1418}
1419
1420/*
1421 * Async read()
1422 */
183451cf 1423int nfs_read_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t count, nfs_cb cb, void *private_data)
84004dbf
RS		 1424{
1425 return nfs_pread_async(nfs, nfsfh, nfsfh->offset, count, cb, private_data);
1426}
1427
1428
1429
1430/*
1431 * Async pwrite()
1432 */
f3a75078 1433static void nfs_pwrite_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 1434{
1435 struct nfs_cb_data *data = private_data;
1436 struct nfs_context *nfs = data->nfs;
1437 WRITE3res *res;
1438
f3a75078
RS		 1439 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1440
84004dbf
RS		 1441 if (status == RPC_STATUS_ERROR) {
1442 data->cb(-EFAULT, nfs, command_data, data->private_data);
1443 free_nfs_cb_data(data);
1444 return;
1445 }
1446 if (status == RPC_STATUS_CANCEL) {
1447 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1448 free_nfs_cb_data(data);
1449 return;
1450 }
1451
1452 res = command_data;
1453 if (res->status != NFS3_OK) {
1454 rpc_set_error(nfs->rpc, "NFS: Write failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1455 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1456 free_nfs_cb_data(data);
1457 return;
1458 }
1459
1460 data->nfsfh->offset += res->WRITE3res_u.resok.count;
1461 data->cb(res->WRITE3res_u.resok.count, nfs, NULL, data->private_data);
1462 free_nfs_cb_data(data);
1463}
1464
f3a75078 1465static void nfs_pwrite_mcb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
18c27b73
RS		 1466{
1467 struct nfs_mcb_data *mdata = private_data;
1468 struct nfs_cb_data *data = mdata->data;
1469 struct nfs_context *nfs = data->nfs;
1470 WRITE3res *res;
1471
f3a75078
RS		 1472 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1473
18c27b73
RS		 1474 data->num_calls--;
1475
1476 if (status == RPC_STATUS_ERROR) {
1477 /* flag the failure but do not invoke callback until we have received all responses */
1478 data->error = 1;
1479 }
1480 if (status == RPC_STATUS_CANCEL) {
1481 /* flag the cancellation but do not invoke callback until we have received all responses */
1482 data->cancel = 1;
1483 }
1484
1485 if (status == RPC_STATUS_SUCCESS) {
1486 res = command_data;
1487 if (res->status != NFS3_OK) {
1488 rpc_set_error(nfs->rpc, "NFS: Write failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1489 data->error = 1;
1490 } else {
1491 if (res->WRITE3res_u.resok.count > 0) {
1492 if ((unsigned)data->max_offset < mdata->offset + res->WRITE3res_u.resok.count) {
1493 data->max_offset = mdata->offset + res->WRITE3res_u.resok.count;
1494 }
1495 }
1496 }
1497 }
1498
1499 if (data->num_calls > 0) {
1500 /* still waiting for more replies */
1501 free(mdata);
1502 return;
1503 }
1504
1505 if (data->error != 0) {
1506 data->cb(-EFAULT, nfs, command_data, data->private_data);
1507 free_nfs_cb_data(data);
1508 free(mdata);
1509 return;
1510 }
1511 if (data->cancel != 0) {
1512 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1513 free_nfs_cb_data(data);
1514 free(mdata);
1515 return;
1516 }
1517
1518 data->nfsfh->offset = data->max_offset;
1519 data->cb(data->max_offset - data->start_offset, nfs, NULL, data->private_data);
1520
1521 free_nfs_cb_data(data);
1522 free(mdata);
1523}
1524
1525
183451cf 1526int 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		 1527{
1528 struct nfs_cb_data *data;
1529
1530 data = malloc(sizeof(struct nfs_cb_data));
1531 if (data == NULL) {
1532 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 1533 return -1;
1534 }
ea98629a 1535 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 1536 data->nfs = nfs;
1537 data->cb = cb;
1538 data->private_data = private_data;
1539 data->nfsfh = nfsfh;
1540
1541 nfsfh->offset = offset;
18c27b73
RS		 1542
1543 if (count <= nfs_get_writemax(nfs)) {
463d59bf
RS		 1544 WRITE3args args;
1545
1546 memset(&args, 0, sizeof(WRITE3args));
1547 args.file.data.data_len = nfsfh->fh.data.data_len;
1548 args.file.data.data_val = nfsfh->fh.data.data_val;
1549 args.offset = offset;
1550 args.count = count;
1551 args.stable = nfsfh->is_sync?FILE_SYNC:UNSTABLE;
1552 args.data.data_len = count;
1553 args.data.data_val = buf;
1554
1555 if (rpc_nfs3_write_async(nfs->rpc, nfs_pwrite_cb, &args, data) != 0) {
18c27b73
RS		 1556 rpc_set_error(nfs->rpc, "RPC error: Failed to send WRITE call for %s", data->path);
1557 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1558 free_nfs_cb_data(data);
1559 return -1;
1560 }
1561 return 0;
84004dbf 1562 }
18c27b73
RS		 1563
1564 /* trying to write more than maximum server write size, we has to chop it up into smaller
1565 * chunks.
cd67ec7d 1566 * we send all writes in parallel so that performance is still good.
18c27b73
RS		 1567 */
1568 data->max_offset = offset;
1569 data->start_offset = offset;
1570
1571 while (count > 0) {
183451cf 1572 uint64_t writecount = count;
18c27b73 1573 struct nfs_mcb_data *mdata;
463d59bf 1574 WRITE3args args;
18c27b73
RS		 1575
1576 if (writecount > nfs_get_writemax(nfs)) {
1577 writecount = nfs_get_writemax(nfs);
1578 }
1579
1580 mdata = malloc(sizeof(struct nfs_mcb_data));
1581 if (mdata == NULL) {
1582 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_mcb_data structure");
1583 return -1;
1584 }
1585 memset(mdata, 0, sizeof(struct nfs_mcb_data));
1586 mdata->data = data;
1587 mdata->offset = offset;
1588 mdata->count = writecount;
1589
463d59bf
RS		 1590 memset(&args, 0, sizeof(WRITE3args));
1591 args.file.data.data_len = nfsfh->fh.data.data_len;
1592 args.file.data.data_val = nfsfh->fh.data.data_val;
1593 args.offset = offset;
1594 args.count = writecount;
1595 args.stable = nfsfh->is_sync?FILE_SYNC:UNSTABLE;
1596 args.data.data_len = writecount;
1597 args.data.data_val = &buf[offset - data->start_offset];
1598
1599 if (rpc_nfs3_write_async(nfs->rpc, nfs_pwrite_mcb, &args, mdata) != 0) {
18c27b73
RS		 1600 rpc_set_error(nfs->rpc, "RPC error: Failed to send WRITE call for %s", data->path);
1601 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1602 free(mdata);
1603 return -1;
1604 }
1605
1606 count -= writecount;
1607 offset += writecount;
1608 data->num_calls++;
1609 }
1610
84004dbf
RS		 1611 return 0;
1612}
1613
1614/*
1615 * Async write()
1616 */
183451cf 1617int nfs_write_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t count, char *buf, nfs_cb cb, void *private_data)
84004dbf
RS		 1618{
1619 return nfs_pwrite_async(nfs, nfsfh, nfsfh->offset, count, buf, cb, private_data);
1620}
1621
1622
1623
1624
1625/*
1626 * close
1627 */
1628
1629int nfs_close_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data)
1630{
1631 if (nfsfh->fh.data.data_val != NULL){
1632 free(nfsfh->fh.data.data_val);
1633 nfsfh->fh.data.data_val = NULL;
1634 }
1635 free(nfsfh);
1636
1637 cb(0, nfs, NULL, private_data);
1638 return 0;
1639};
1640
1641
1642
1643
1644
1645/*
1646 * Async fstat()
1647 */
1648int nfs_fstat_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data)
1649{
1650 struct nfs_cb_data *data;
463d59bf 1651 struct GETATTR3args args;
84004dbf
RS		 1652
1653 data = malloc(sizeof(struct nfs_cb_data));
1654 if (data == NULL) {
1655 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 1656 return -1;
1657 }
ea98629a 1658 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 1659 data->nfs = nfs;
1660 data->cb = cb;
1661 data->private_data = private_data;
1662
463d59bf
RS		 1663 memset(&args, 0, sizeof(GETATTR3args));
1664 args.object.data.data_len = nfsfh->fh.data.data_len;
1665 args.object.data.data_val = nfsfh->fh.data.data_val;
1666
1667 if (rpc_nfs3_getattr_async(nfs->rpc, nfs_stat_1_cb, &args, data) != 0) {
84004dbf
RS		 1668 rpc_set_error(nfs->rpc, "RPC error: Failed to send STAT GETATTR call for %s", data->path);
1669 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1670 free_nfs_cb_data(data);
1671 return -1;
1672 }
1673 return 0;
1674}
1675
1676
1677
1678/*
1679 * Async fsync()
1680 */
f3a75078 1681static void nfs_fsync_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 1682{
1683 struct nfs_cb_data *data = private_data;
1684 struct nfs_context *nfs = data->nfs;
1685 COMMIT3res *res;
1686
f3a75078
RS		 1687 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1688
84004dbf
RS		 1689 if (status == RPC_STATUS_ERROR) {
1690 data->cb(-EFAULT, nfs, command_data, data->private_data);
1691 free_nfs_cb_data(data);
1692 return;
1693 }
1694 if (status == RPC_STATUS_CANCEL) {
1695 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1696 free_nfs_cb_data(data);
1697 return;
1698 }
1699
1700 res = command_data;
1701 if (res->status != NFS3_OK) {
1702 rpc_set_error(nfs->rpc, "NFS: Commit failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1703 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1704 free_nfs_cb_data(data);
1705 return;
1706 }
1707
1708 data->cb(0, nfs, NULL, data->private_data);
1709 free_nfs_cb_data(data);
1710}
1711
1712int nfs_fsync_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data)
1713{
1714 struct nfs_cb_data *data;
1715
1716 data = malloc(sizeof(struct nfs_cb_data));
1717 if (data == NULL) {
1718 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 1719 return -1;
1720 }
ea98629a 1721 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 1722 data->nfs = nfs;
1723 data->cb = cb;
1724 data->private_data = private_data;
1725
1726 if (rpc_nfs_commit_async(nfs->rpc, nfs_fsync_cb, &nfsfh->fh, data) != 0) {
1727 rpc_set_error(nfs->rpc, "RPC error: Failed to send COMMIT call for %s", data->path);
1728 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1729 free_nfs_cb_data(data);
1730 return -1;
1731 }
1732 return 0;
1733}
1734
1735
1736
1737
1738/*
1739 * Async ftruncate()
1740 */
f3a75078 1741static void nfs_ftruncate_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 1742{
1743 struct nfs_cb_data *data = private_data;
1744 struct nfs_context *nfs = data->nfs;
1745 SETATTR3res *res;
1746
f3a75078
RS		 1747 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1748
84004dbf
RS		 1749 if (status == RPC_STATUS_ERROR) {
1750 data->cb(-EFAULT, nfs, command_data, data->private_data);
1751 free_nfs_cb_data(data);
1752 return;
1753 }
1754 if (status == RPC_STATUS_CANCEL) {
1755 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1756 free_nfs_cb_data(data);
1757 return;
1758 }
1759
1760 res = command_data;
1761 if (res->status != NFS3_OK) {
1762 rpc_set_error(nfs->rpc, "NFS: Setattr failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1763 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1764 free_nfs_cb_data(data);
1765 return;
1766 }
1767
1768 data->cb(0, nfs, NULL, data->private_data);
1769 free_nfs_cb_data(data);
1770}
1771
183451cf 1772int nfs_ftruncate_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t length, nfs_cb cb, void *private_data)
84004dbf
RS		 1773{
1774 struct nfs_cb_data *data;
1775 SETATTR3args args;
1776
1777 data = malloc(sizeof(struct nfs_cb_data));
1778 if (data == NULL) {
1779 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 1780 return -1;
1781 }
ea98629a 1782 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 1783 data->nfs = nfs;
1784 data->cb = cb;
1785 data->private_data = private_data;
1786
ea98629a 1787 memset(&args, 0, sizeof(SETATTR3args));
84004dbf
RS		 1788 args.object.data.data_len = nfsfh->fh.data.data_len;
1789 args.object.data.data_val = nfsfh->fh.data.data_val;
1790 args.new_attributes.size.set_it = 1;
1791 args.new_attributes.size.set_size3_u.size = length;
1792
1793 if (rpc_nfs_setattr_async(nfs->rpc, nfs_ftruncate_cb, &args, data) != 0) {
1794 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
1795 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1796 free_nfs_cb_data(data);
1797 return -1;
1798 }
1799 return 0;
1800}
1801
1802
1803/*
1804 * Async truncate()
1805 */
1806static int nfs_truncate_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
1807{
183451cf 1808 uint64_t offset = data->continue_int;
84004dbf
RS		 1809 struct nfsfh nfsfh;
1810
1811 nfsfh.fh.data.data_val = data->fh.data.data_val;
1812 nfsfh.fh.data.data_len = data->fh.data.data_len;
1813
1814 if (nfs_ftruncate_async(nfs, &nfsfh, offset, data->cb, data->private_data) != 0) {
1815 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
1816 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1817 free_nfs_cb_data(data);
1818 return -1;
1819 }
1820 free_nfs_cb_data(data);
1821 return 0;
1822}
1823
183451cf 1824int nfs_truncate_async(struct nfs_context *nfs, const char *path, uint64_t length, nfs_cb cb, void *private_data)
84004dbf 1825{
183451cf 1826 uint64_t offset;
84004dbf
RS		 1827
1828 offset = length;
1829
1830 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_truncate_continue_internal, NULL, NULL, offset) != 0) {
cbbf9d3e
RS		 1831 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
1832 return -1;
84004dbf
RS		 1833 }
1834
1835 return 0;
1836}
1837
1838
1839
1840
1841/*
1842 * Async mkdir()
1843 */
f3a75078 1844static void nfs_mkdir_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 1845{
1846 MKDIR3res *res;
1847 struct nfs_cb_data *data = private_data;
1848 struct nfs_context *nfs = data->nfs;
1849 char *str = data->continue_data;
1850
f3a75078
RS		 1851 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1852
84004dbf
RS		 1853 str = &str[strlen(str) + 1];
1854
1855 if (status == RPC_STATUS_ERROR) {
1856 data->cb(-EFAULT, nfs, command_data, data->private_data);
1857 free_nfs_cb_data(data);
1858 return;
1859 }
1860 if (status == RPC_STATUS_CANCEL) {
1861 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1862 free_nfs_cb_data(data);
1863 return;
1864 }
1865
1866 res = command_data;
1867 if (res->status != NFS3_OK) {
1868 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));
1869 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1870 free_nfs_cb_data(data);
1871 return;
1872 }
1873
1874 data->cb(0, nfs, NULL, data->private_data);
1875 free_nfs_cb_data(data);
1876}
1877
1878static int nfs_mkdir_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
1879{
1880 char *str = data->continue_data;
7edc9026
RS		 1881 MKDIR3args args;
1882
84004dbf
RS		 1883 str = &str[strlen(str) + 1];
1884
7edc9026
RS		 1885 memset(&args, 0, sizeof(MKDIR3args));
1886 args.where.dir.data.data_len = data->fh.data.data_len;
1887 args.where.dir.data.data_val = data->fh.data.data_val;
1888 args.where.name = str;
1889 args.attributes.mode.set_it = 1;
1890 args.attributes.mode.set_mode3_u.mode = 0755;
1891
1892 if (rpc_nfs_mkdir_async(nfs->rpc, nfs_mkdir_cb, &args, data) != 0) {
84004dbf
RS		 1893 rpc_set_error(nfs->rpc, "RPC error: Failed to send MKDIR call for %s", data->path);
1894 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1895 free_nfs_cb_data(data);
1896 return -1;
1897 }
1898 return 0;
1899}
1900
1901int nfs_mkdir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
1902{
1903 char *new_path;
1904 char *ptr;
1905
1906 new_path = strdup(path);
1907 if (new_path == NULL) {
cbbf9d3e 1908 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
84004dbf
RS		 1909 return -1;
1910 }
1911
93e9306f 1912 ptr = strrchr(new_path, '/');
84004dbf 1913 if (ptr == NULL) {
cbbf9d3e
RS		 1914 rpc_set_error(nfs->rpc, "Invalid path %s", path);
1915 return -1;
84004dbf
RS		 1916 }
1917 *ptr = 0;
1918
1919 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
1920 if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_mkdir_continue_internal, new_path, free, 0) != 0) {
cbbf9d3e
RS		 1921 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path component");
1922 return -1;
84004dbf
RS		 1923 }
1924
1925 return 0;
1926}
1927
1928
1929
1930
1931
1932/*
1933 * Async rmdir()
1934 */
f3a75078 1935static void nfs_rmdir_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 1936{
1937 RMDIR3res *res;
1938 struct nfs_cb_data *data = private_data;
1939 struct nfs_context *nfs = data->nfs;
1940 char *str = data->continue_data;
1941
f3a75078
RS		 1942 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1943
84004dbf
RS		 1944 str = &str[strlen(str) + 1];
1945
1946 if (status == RPC_STATUS_ERROR) {
1947 data->cb(-EFAULT, nfs, command_data, data->private_data);
1948 free_nfs_cb_data(data);
1949 return;
1950 }
1951 if (status == RPC_STATUS_CANCEL) {
1952 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1953 free_nfs_cb_data(data);
1954 return;
1955 }
1956
1957 res = command_data;
1958 if (res->status != NFS3_OK) {
1959 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));
1960 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1961 free_nfs_cb_data(data);
1962 return;
1963 }
1964
1965 data->cb(0, nfs, NULL, data->private_data);
1966 free_nfs_cb_data(data);
1967}
1968
1969static int nfs_rmdir_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
1970{
1971 char *str = data->continue_data;
1972
1973 str = &str[strlen(str) + 1];
1974
1975 if (rpc_nfs_rmdir_async(nfs->rpc, nfs_rmdir_cb, &data->fh, str, data) != 0) {
1976 rpc_set_error(nfs->rpc, "RPC error: Failed to send RMDIR call for %s", data->path);
1977 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1978 free_nfs_cb_data(data);
1979 return -1;
1980 }
1981 return 0;
1982}
1983
1984int nfs_rmdir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
1985{
1986 char *new_path;
1987 char *ptr;
1988
1989 new_path = strdup(path);
1990 if (new_path == NULL) {
cbbf9d3e 1991 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
84004dbf
RS		 1992 return -1;
1993 }
1994
93e9306f 1995 ptr = strrchr(new_path, '/');
84004dbf 1996 if (ptr == NULL) {
cbbf9d3e
RS		 1997 rpc_set_error(nfs->rpc, "Invalid path %s", path);
1998 return -1;
84004dbf
RS		 1999 }
2000 *ptr = 0;
2001
2002 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
2003 if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_rmdir_continue_internal, new_path, free, 0) != 0) {
cbbf9d3e
RS		 2004 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
2005 return -1;
84004dbf
RS		 2006 }
2007
2008 return 0;
2009}
2010
2011
2012
2013
2014/*
2015 * Async creat()
2016 */
f3a75078 2017static void nfs_create_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 2018{
2019 LOOKUP3res *res;
2020 struct nfs_cb_data *data = private_data;
2021 struct nfs_context *nfs = data->nfs;
2022 struct nfsfh *nfsfh;
2023 char *str = data->continue_data;
2024
f3a75078
RS		 2025 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2026
84004dbf
RS		 2027 if (status == RPC_STATUS_ERROR) {
2028 data->cb(-EFAULT, nfs, command_data, data->private_data);
2029 free_nfs_cb_data(data);
2030 return;
2031 }
2032 if (status == RPC_STATUS_CANCEL) {
2033 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2034 free_nfs_cb_data(data);
2035 return;
2036 }
2037
2038 str = &str[strlen(str) + 1];
2039 res = command_data;
2040 if (res->status != NFS3_OK) {
2041 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));
2042 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2043
2044 return;
2045 }
2046
2047 nfsfh = malloc(sizeof(struct nfsfh));
2048 if (nfsfh == NULL) {
2049 rpc_set_error(nfs->rpc, "NFS: Failed to allocate nfsfh structure");
2050 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2051 free_nfs_cb_data(data);
2052 return;
2053 }
ea98629a 2054 memset(nfsfh, 0, sizeof(struct nfsfh));
84004dbf 2055
0c1a9d7a
RS		 2056 /* copy the filehandle */
2057 nfsfh->fh.data.data_len = res->LOOKUP3res_u.resok.object.data.data_len;
2058 nfsfh->fh.data.data_val = malloc(nfsfh->fh.data.data_len);
2059 memcpy(nfsfh->fh.data.data_val, res->LOOKUP3res_u.resok.object.data.data_val, nfsfh->fh.data.data_len);
84004dbf
RS		 2060
2061 data->cb(0, nfs, nfsfh, data->private_data);
2062 free_nfs_cb_data(data);
2063}
2064
2065
2066
f3a75078 2067static void nfs_creat_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 2068{
2069 CREATE3res *res;
2070 struct nfs_cb_data *data = private_data;
2071 struct nfs_context *nfs = data->nfs;
2072 char *str = data->continue_data;
463d59bf 2073 LOOKUP3args args;
84004dbf 2074
f3a75078
RS		 2075 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2076
84004dbf
RS		 2077 if (status == RPC_STATUS_ERROR) {
2078 data->cb(-EFAULT, nfs, command_data, data->private_data);
2079 free_nfs_cb_data(data);
2080 return;
2081 }
2082 if (status == RPC_STATUS_CANCEL) {
2083 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2084 free_nfs_cb_data(data);
2085 return;
2086 }
2087
2088 str = &str[strlen(str) + 1];
2089 res = command_data;
2090 if (res->status != NFS3_OK) {
2091 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));
2092 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
fadbf8cf 2093 free_nfs_cb_data(data);
84004dbf
RS		 2094 return;
2095 }
2096
463d59bf
RS		 2097 memset(&args, 0, sizeof(LOOKUP3args));
2098 args.what.dir.data.data_len = data->fh.data.data_len;
2099 args.what.dir.data.data_val = data->fh.data.data_val;
2100 args.what.name = str;
2101
2102 if (rpc_nfs3_lookup_async(nfs->rpc, nfs_create_2_cb, &args, data) != 0) {
84004dbf
RS		 2103 rpc_set_error(nfs->rpc, "RPC error: Failed to send lookup call for %s/%s", data->saved_path, str);
2104 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2105 free_nfs_cb_data(data);
2106 return;
2107 }
2108 return;
2109}
2110
2111static int nfs_creat_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2112{
2113 char *str = data->continue_data;
c985c015
RS		 2114 CREATE3args args;
2115
84004dbf
RS		 2116 str = &str[strlen(str) + 1];
2117
c985c015
RS		 2118 memset(&args, 0, sizeof(CREATE3args));
2119 args.where.dir.data.data_len = data->fh.data.data_len;
2120 args.where.dir.data.data_val = data->fh.data.data_val;
2121 args.where.name = str;
2122 args.how.mode = UNCHECKED;
2123 args.how.createhow3_u.obj_attributes.mode.set_it = 1;
2124 args.how.createhow3_u.obj_attributes.mode.set_mode3_u.mode = data->continue_int;
2125
2126 if (rpc_nfs_create_async(nfs->rpc, nfs_creat_1_cb, &args, data) != 0) {
84004dbf
RS		 2127 rpc_set_error(nfs->rpc, "RPC error: Failed to send CREATE call for %s/%s", data->path, str);
2128 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2129 free_nfs_cb_data(data);
2130 return -1;
2131 }
2132 return 0;
2133}
2134
2135int nfs_creat_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data)
2136{
2137 char *new_path;
2138 char *ptr;
2139
2140 new_path = strdup(path);
2141 if (new_path == NULL) {
cbbf9d3e 2142 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
84004dbf
RS		 2143 return -1;
2144 }
2145
93e9306f 2146 ptr = strrchr(new_path, '/');
84004dbf 2147 if (ptr == NULL) {
cbbf9d3e
RS		 2148 rpc_set_error(nfs->rpc, "Invalid path %s", path);
2149 return -1;
84004dbf
RS		 2150 }
2151 *ptr = 0;
2152
73f4ae7c 2153 /* new_path now points to the parent directory, and beyond the nul terminator is the new directory to create */
84004dbf 2154 if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_creat_continue_internal, new_path, free, mode) != 0) {
cbbf9d3e
RS		 2155 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
2156 return -1;
84004dbf
RS		 2157 }
2158
2159 return 0;
2160}
2161
2162
2163
2164
2165/*
2166 * Async unlink()
2167 */
f3a75078 2168static void nfs_unlink_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 2169{
2170 REMOVE3res *res;
2171 struct nfs_cb_data *data = private_data;
2172 struct nfs_context *nfs = data->nfs;
2173 char *str = data->continue_data;
2174
f3a75078
RS		 2175 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2176
84004dbf
RS		 2177 str = &str[strlen(str) + 1];
2178
2179 if (status == RPC_STATUS_ERROR) {
2180 data->cb(-EFAULT, nfs, command_data, data->private_data);
2181 free_nfs_cb_data(data);
2182 return;
2183 }
2184 if (status == RPC_STATUS_CANCEL) {
2185 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2186 free_nfs_cb_data(data);
2187 return;
2188 }
2189
2190 res = command_data;
2191 if (res->status != NFS3_OK) {
2192 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));
2193 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2194 free_nfs_cb_data(data);
2195 return;
2196 }
2197
2198 data->cb(0, nfs, NULL, data->private_data);
2199 free_nfs_cb_data(data);
2200}
2201
2202static int nfs_unlink_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2203{
2204 char *str = data->continue_data;
2205
2206 str = &str[strlen(str) + 1];
2207
2208 if (rpc_nfs_remove_async(nfs->rpc, nfs_unlink_cb, &data->fh, str, data) != 0) {
2209 rpc_set_error(nfs->rpc, "RPC error: Failed to send REMOVE 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_unlink_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) {
cbbf9d3e
RS		 2230 rpc_set_error(nfs->rpc, "Invalid path %s", path);
2231 return -1;
84004dbf
RS		 2232 }
2233 *ptr = 0;
2234
2235 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
2236 if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_unlink_continue_internal, new_path, free, 0) != 0) {
cbbf9d3e
RS		 2237 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
2238 return -1;
84004dbf
RS		 2239 }
2240
2241 return 0;
2242}
2243
2244
1ec6b50a
RS		 2245/*
2246 * Async mknod()
2247 */
2248struct mknod_cb_data {
2249 char *path;
2250 int mode;
2251 int major;
2252 int minor;
2253};
2254
2255static void free_mknod_cb_data(void *ptr)
2256{
2257 struct mknod_cb_data *data = ptr;
2258
2259 free(data->path);
2260 free(data);
2261}
2262
f3a75078 2263static void nfs_mknod_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
1ec6b50a
RS		 2264{
2265 MKNOD3res *res;
2266 struct nfs_cb_data *data = private_data;
2267 struct nfs_context *nfs = data->nfs;
2268 char *str = data->continue_data;
2269
f3a75078
RS		 2270 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2271
1ec6b50a
RS		 2272 str = &str[strlen(str) + 1];
2273
2274 if (status == RPC_STATUS_ERROR) {
2275 data->cb(-EFAULT, nfs, command_data, data->private_data);
2276 free_nfs_cb_data(data);
2277 return;
2278 }
2279 if (status == RPC_STATUS_CANCEL) {
2280 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2281 free_nfs_cb_data(data);
2282 return;
2283 }
2284
2285 res = command_data;
2286 if (res->status != NFS3_OK) {
2287 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));
2288 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2289 free_nfs_cb_data(data);
2290 return;
2291 }
2292
2293 data->cb(0, nfs, NULL, data->private_data);
2294 free_nfs_cb_data(data);
2295}
2296
2297static int nfs_mknod_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2298{
2299 struct mknod_cb_data *cb_data = data->continue_data;
2300 char *str = cb_data->path;
2301
2302 str = &str[strlen(str) + 1];
2303
2304 if (rpc_nfs_mknod_async(nfs->rpc, nfs_mknod_cb, &data->fh, str, cb_data->mode, cb_data->major, cb_data->minor, data) != 0) {
2305 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2306 free_nfs_cb_data(data);
2307 return -1;
2308 }
2309 return 0;
2310}
2311
2312int nfs_mknod_async(struct nfs_context *nfs, const char *path, int mode, int dev, nfs_cb cb, void *private_data)
2313{
2314 char *ptr;
2315 struct mknod_cb_data *cb_data;
2316
2317 cb_data = malloc(sizeof(struct mknod_cb_data));
2318 if (cb_data == NULL) {
2319 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for cb data");
2320 return -1;
2321 }
2322
2323 cb_data->path = strdup(path);
2324 if (cb_data->path == NULL) {
2325 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
2326 free(cb_data);
2327 return -1;
2328 }
2329
2330 ptr = strrchr(cb_data->path, '/');
2331 if (ptr == NULL) {
2332 rpc_set_error(nfs->rpc, "Invalid path %s", path);
2333 return -1;
2334 }
2335 *ptr = 0;
2336
2337 cb_data->mode = mode;
2338 cb_data->major = major(dev);
2339 cb_data->minor = minor(dev);
2340
2341 /* data->path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
2342 if (nfs_lookuppath_async(nfs, cb_data->path, cb, private_data, nfs_mknod_continue_internal, cb_data, free_mknod_cb_data, 0) != 0) {
2343 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
2344 free_mknod_cb_data(cb_data);
2345 return -1;
2346 }
2347
2348 return 0;
2349}
84004dbf 2350
84004dbf
RS		 2351/*
2352 * Async opendir()
2353 */
fb69c64c
RS		 2354
2355/* ReadDirPlus Emulation Callback data */
2356struct rdpe_cb_data {
2357 int getattrcount;
2358 int status;
2359 struct nfs_cb_data *data;
2360};
2361
2362/* ReadDirPlus Emulation LOOKUP Callback data */
2363struct rdpe_lookup_cb_data {
2364 struct rdpe_cb_data *rdpe_cb_data;
2365 struct nfsdirent *nfsdirent;
2366};
2367
2368/* Workaround for servers lacking READDIRPLUS, use READDIR instead and a GETATTR-loop */
f3a75078 2369static void nfs_opendir3_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf 2370{
fb69c64c
RS		 2371 LOOKUP3res *res = command_data;
2372 struct rdpe_lookup_cb_data *rdpe_lookup_cb_data = private_data;
2373 struct rdpe_cb_data *rdpe_cb_data = rdpe_lookup_cb_data->rdpe_cb_data;
2374 struct nfs_cb_data *data = rdpe_cb_data->data;
2375 struct nfsdir *nfsdir = data->continue_data;
2376 struct nfs_context *nfs = data->nfs;
2377 struct nfsdirent *nfsdirent = rdpe_lookup_cb_data->nfsdirent;
2378
f3a75078
RS		 2379 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2380
fb69c64c
RS		 2381 free(rdpe_lookup_cb_data);
2382
2383 rdpe_cb_data->getattrcount--;
2384
2385 if (status == RPC_STATUS_ERROR) {
2386 rdpe_cb_data->status = RPC_STATUS_ERROR;
2387 }
2388 if (status == RPC_STATUS_CANCEL) {
2389 rdpe_cb_data->status = RPC_STATUS_CANCEL;
2390 }
2391 if (status == RPC_STATUS_SUCCESS && res->status != NFS3_OK) {
2392 rdpe_cb_data->status = RPC_STATUS_ERROR;
2393 }
2394 if (status == RPC_STATUS_SUCCESS && res->status == NFS3_OK) {
2395 if (res->LOOKUP3res_u.resok.obj_attributes.attributes_follow) {
2396 fattr3 *attributes = &res->LOOKUP3res_u.resok.obj_attributes.post_op_attr_u.attributes;
2397
2398 nfsdirent->type = attributes->type;
2399 nfsdirent->mode = attributes->mode;
2400 nfsdirent->size = attributes->size;
2401
2402 nfsdirent->atime.tv_sec = attributes->atime.seconds;
2403 nfsdirent->atime.tv_usec = attributes->atime.nseconds/1000;
2404 nfsdirent->mtime.tv_sec = attributes->mtime.seconds;
2405 nfsdirent->mtime.tv_usec = attributes->mtime.nseconds/1000;
2406 nfsdirent->ctime.tv_sec = attributes->ctime.seconds;
2407 nfsdirent->ctime.tv_usec = attributes->ctime.nseconds/1000;
2408 }
2409 }
2410
2411 if (rdpe_cb_data->getattrcount == 0) {
2412 if (rdpe_cb_data->status != RPC_STATUS_SUCCESS) {
2413 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2414 nfs_free_nfsdir(nfsdir);
2415 } else {
2416 data->cb(0, nfs, nfsdir, data->private_data);
2417 }
2418 free(rdpe_cb_data);
2419
2420 data->continue_data = NULL;
2421 free_nfs_cb_data(data);
2422 }
2423}
2424
f3a75078 2425static void nfs_opendir2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
fb69c64c
RS		 2426{
2427 READDIR3res *res = command_data;
84004dbf
RS		 2428 struct nfs_cb_data *data = private_data;
2429 struct nfs_context *nfs = data->nfs;
fb6510bb 2430 struct nfsdir *nfsdir = data->continue_data;
fb69c64c
RS		 2431 struct nfsdirent *nfsdirent;
2432 struct entry3 *entry;
84004dbf 2433 uint64_t cookie;
fb69c64c
RS		 2434 struct rdpe_cb_data *rdpe_cb_data;
2435
f3a75078
RS		 2436 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2437
84004dbf
RS		 2438 if (status == RPC_STATUS_ERROR) {
2439 data->cb(-EFAULT, nfs, command_data, data->private_data);
2440 nfs_free_nfsdir(nfsdir);
2441 data->continue_data = NULL;
2442 free_nfs_cb_data(data);
2443 return;
2444 }
fb69c64c 2445
84004dbf
RS		 2446 if (status == RPC_STATUS_CANCEL) {
2447 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2448 nfs_free_nfsdir(nfsdir);
2449 data->continue_data = NULL;
2450 free_nfs_cb_data(data);
2451 return;
2452 }
2453
84004dbf
RS		 2454 if (res->status != NFS3_OK) {
2455 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));
2456 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2457 nfs_free_nfsdir(nfsdir);
2458 data->continue_data = NULL;
2459 free_nfs_cb_data(data);
2460 return;
fb69c64c
RS		 2461 }
2462
2463 entry =res->READDIR3res_u.resok.reply.entries;
2464 while (entry != NULL) {
2465 nfsdirent = malloc(sizeof(struct nfsdirent));
2466 if (nfsdirent == NULL) {
2467 data->cb(-ENOMEM, nfs, "Failed to allocate dirent", data->private_data);
2468 nfs_free_nfsdir(nfsdir);
2469 data->continue_data = NULL;
2470 free_nfs_cb_data(data);
2471 return;
2472 }
2473 memset(nfsdirent, 0, sizeof(struct nfsdirent));
2474 nfsdirent->name = strdup(entry->name);
2475 if (nfsdirent->name == NULL) {
2476 data->cb(-ENOMEM, nfs, "Failed to allocate dirent->name", data->private_data);
2477 nfs_free_nfsdir(nfsdir);
2478 data->continue_data = NULL;
2479 free_nfs_cb_data(data);
2480 return;
2481 }
2482 nfsdirent->inode = entry->fileid;
2483
2484 nfsdirent->next = nfsdir->entries;
2485 nfsdir->entries = nfsdirent;
2486
2487 cookie = entry->cookie;
2488 entry = entry->nextentry;
2489 }
2490
2491 if (res->READDIR3res_u.resok.reply.eof == 0) {
2492 if (rpc_nfs_readdir_async(nfs->rpc, nfs_opendir2_cb, &data->fh, cookie, res->READDIR3res_u.resok.cookieverf, 8192, data) != 0) {
2493 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR call for %s", data->path);
2494 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2495 nfs_free_nfsdir(nfsdir);
2496 data->continue_data = NULL;
2497 free_nfs_cb_data(data);
2498 return;
2499 }
2500 return;
2501 }
2502
2503 /* steal the dirhandle */
2504 nfsdir->current = nfsdir->entries;
2505
2506 rdpe_cb_data = malloc(sizeof(struct rdpe_cb_data));
2507 rdpe_cb_data->getattrcount = 0;
2508 rdpe_cb_data->status = RPC_STATUS_SUCCESS;
2509 rdpe_cb_data->data = data;
2510 for (nfsdirent = nfsdir->entries; nfsdirent; nfsdirent = nfsdirent->next) {
2511 struct rdpe_lookup_cb_data *rdpe_lookup_cb_data;
463d59bf 2512 LOOKUP3args args;
fb69c64c
RS		 2513
2514 rdpe_lookup_cb_data = malloc(sizeof(struct rdpe_lookup_cb_data));
2515 rdpe_lookup_cb_data->rdpe_cb_data = rdpe_cb_data;
2516 rdpe_lookup_cb_data->nfsdirent = nfsdirent;
2517
463d59bf
RS		 2518 memset(&args, 0, sizeof(LOOKUP3args));
2519 args.what.dir.data.data_len = data->fh.data.data_len;
2520 args.what.dir.data.data_val = data->fh.data.data_val;
2521 args.what.name = nfsdirent->name;
2522
2523 if (rpc_nfs3_lookup_async(nfs->rpc, nfs_opendir3_cb, &args, rdpe_lookup_cb_data) != 0) {
fb69c64c
RS		 2524 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR LOOKUP call");
2525
2526 /* if we have already commands in flight, we cant just stop, we have to wait for the
2527 * commands in flight to complete
2528 */
2529 if (rdpe_cb_data->getattrcount > 0) {
2530 rdpe_cb_data->status = RPC_STATUS_ERROR;
2531 free(rdpe_lookup_cb_data);
2532 return;
2533 }
2534
2535 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2536 nfs_free_nfsdir(nfsdir);
2537 data->continue_data = NULL;
2538 free_nfs_cb_data(data);
2539 free(rdpe_lookup_cb_data);
2540 free(rdpe_cb_data);
2541 return;
2542 }
2543 rdpe_cb_data->getattrcount++;
2544 }
2545}
2546
2547
f3a75078 2548static void nfs_opendir_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
fb69c64c
RS		 2549{
2550 READDIRPLUS3res *res = command_data;
2551 struct nfs_cb_data *data = private_data;
2552 struct nfs_context *nfs = data->nfs;
2553 struct nfsdir *nfsdir = data->continue_data;
2554 struct entryplus3 *entry;
2555 uint64_t cookie;
2556
f3a75078 2557 assert(rpc->magic == RPC_CONTEXT_MAGIC);
fb69c64c
RS		 2558
2559 if (status == RPC_STATUS_ERROR || (status == RPC_STATUS_SUCCESS && res->status == NFS3ERR_NOTSUPP) ){
2560 cookieverf3 cv;
2561
2562 if (rpc_nfs_readdir_async(nfs->rpc, nfs_opendir2_cb, &data->fh, 0, (char *)&cv, 8192, data) != 0) {
2563 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR call for %s", data->path);
2564 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2565 nfs_free_nfsdir(nfsdir);
2566 data->continue_data = NULL;
2567 free_nfs_cb_data(data);
2568 return;
2569 }
2570 return;
2571 }
2572
2573 if (status == RPC_STATUS_CANCEL) {
2574 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2575 nfs_free_nfsdir(nfsdir);
2576 data->continue_data = NULL;
2577 free_nfs_cb_data(data);
2578 return;
2579 }
2580
2581 if (res->status != NFS3_OK) {
2582 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));
2583 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2584 nfs_free_nfsdir(nfsdir);
2585 data->continue_data = NULL;
2586 free_nfs_cb_data(data);
2587 return;
84004dbf
RS		 2588 }
2589
f390f181 2590 entry =res->READDIRPLUS3res_u.resok.reply.entries;
84004dbf
RS		 2591 while (entry != NULL) {
2592 struct nfsdirent *nfsdirent;
2593
2594 nfsdirent = malloc(sizeof(struct nfsdirent));
2595 if (nfsdirent == NULL) {
2596 data->cb(-ENOMEM, nfs, "Failed to allocate dirent", data->private_data);
2597 nfs_free_nfsdir(nfsdir);
2598 data->continue_data = NULL;
2599 free_nfs_cb_data(data);
2600 return;
2601 }
ea98629a 2602 memset(nfsdirent, 0, sizeof(struct nfsdirent));
84004dbf
RS		 2603 nfsdirent->name = strdup(entry->name);
2604 if (nfsdirent->name == NULL) {
2605 data->cb(-ENOMEM, nfs, "Failed to allocate dirent->name", data->private_data);
2606 nfs_free_nfsdir(nfsdir);
2607 data->continue_data = NULL;
2608 free_nfs_cb_data(data);
2609 return;
2610 }
2611 nfsdirent->inode = entry->fileid;
0804e67d
RS		 2612 if (entry->name_attributes.attributes_follow) {
2613 nfsdirent->type = entry->name_attributes.post_op_attr_u.attributes.type;
2614 nfsdirent->mode = entry->name_attributes.post_op_attr_u.attributes.mode;
2615 nfsdirent->size = entry->name_attributes.post_op_attr_u.attributes.size;
2616
2617 nfsdirent->atime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.atime.seconds;
2618 nfsdirent->atime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.atime.nseconds/1000;
2619 nfsdirent->mtime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.mtime.seconds;
2620 nfsdirent->mtime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.mtime.nseconds/1000;
2621 nfsdirent->ctime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.ctime.seconds;
2622 nfsdirent->ctime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.ctime.nseconds/1000;
2623 }
2624
84004dbf
RS		 2625 nfsdirent->next = nfsdir->entries;
2626 nfsdir->entries = nfsdirent;
2627
2628 cookie = entry->cookie;
2629 entry = entry->nextentry;
2630 }
2631
f390f181
RS		 2632 if (res->READDIRPLUS3res_u.resok.reply.eof == 0) {
2633 if (rpc_nfs_readdirplus_async(nfs->rpc, nfs_opendir_cb, &data->fh, cookie, res->READDIRPLUS3res_u.resok.cookieverf, 8192, data) != 0) {
2634 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIRPLUS call for %s", data->path);
84004dbf
RS		 2635 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2636 nfs_free_nfsdir(nfsdir);
2637 data->continue_data = NULL;
2638 free_nfs_cb_data(data);
2639 return;
2640 }
2641 return;
2642 }
2643
2644 /* steal the dirhandle */
2645 data->continue_data = NULL;
2646 nfsdir->current = nfsdir->entries;
2647
2648 data->cb(0, nfs, nfsdir, data->private_data);
2649 free_nfs_cb_data(data);
2650}
2651
2652static int nfs_opendir_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2653{
2654 cookieverf3 cv;
2655
ea98629a 2656 memset(cv, 0, sizeof(cookieverf3));
f390f181
RS		 2657 if (rpc_nfs_readdirplus_async(nfs->rpc, nfs_opendir_cb, &data->fh, 0, (char *)&cv, 8192, data) != 0) {
2658 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIRPLUS call for %s", data->path);
84004dbf
RS		 2659 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2660 free_nfs_cb_data(data);
2661 return -1;
2662 }
2663 return 0;
2664}
2665
2666int nfs_opendir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
2667{
2668 struct nfsdir *nfsdir;
2669
2670 nfsdir = malloc(sizeof(struct nfsdir));
2671 if (nfsdir == NULL) {
cbbf9d3e 2672 rpc_set_error(nfs->rpc, "failed to allocate buffer for nfsdir");
84004dbf
RS		 2673 return -1;
2674 }
ea98629a 2675 memset(nfsdir, 0, sizeof(struct nfsdir));
84004dbf
RS		 2676
2677 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_opendir_continue_internal, nfsdir, free, 0) != 0) {
cbbf9d3e
RS		 2678 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
2679 return -1;
84004dbf
RS		 2680 }
2681
2682 return 0;
2683}
2684
2685
2686struct nfsdirent *nfs_readdir(struct nfs_context *nfs _U_, struct nfsdir *nfsdir)
2687{
2688 struct nfsdirent *nfsdirent = nfsdir->current;
2689
2690 if (nfsdir->current != NULL) {
2691 nfsdir->current = nfsdir->current->next;
2692 }
2693 return nfsdirent;
2694}
2695
2696
2697void nfs_closedir(struct nfs_context *nfs _U_, struct nfsdir *nfsdir)
2698{
2699 nfs_free_nfsdir(nfsdir);
2700}
2701
2702
2703
2704
2705
2706
2707
2708/*
2709 * Async lseek()
2710 */
2711struct lseek_cb_data {
2712 struct nfs_context *nfs;
2713 struct nfsfh *nfsfh;
183451cf 2714 uint64_t offset;
84004dbf
RS		 2715 nfs_cb cb;
2716 void *private_data;
2717};
2718
f3a75078 2719static void nfs_lseek_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 2720{
2721 GETATTR3res *res;
2722 struct lseek_cb_data *data = private_data;
2723 struct nfs_context *nfs = data->nfs;
2724
f3a75078
RS		 2725 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2726
84004dbf
RS		 2727 if (status == RPC_STATUS_ERROR) {
2728 data->cb(-EFAULT, nfs, command_data, data->private_data);
2729 free(data);
2730 return;
2731 }
2732 if (status == RPC_STATUS_CANCEL) {
2733 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2734 free(data);
2735 return;
2736 }
2737
2738 res = command_data;
2739 if (res->status != NFS3_OK) {
2740 rpc_set_error(nfs->rpc, "NFS: GETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
2741 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2742 free(data);
2743 return;
2744 }
2745
2746 data->nfsfh->offset = data->offset + res->GETATTR3res_u.resok.obj_attributes.size;
2747 data->cb(0, nfs, &data->nfsfh->offset, data->private_data);
2748 free(data);
2749}
2750
183451cf 2751int nfs_lseek_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t offset, int whence, nfs_cb cb, void *private_data)
84004dbf
RS		 2752{
2753 struct lseek_cb_data *data;
463d59bf 2754 struct GETATTR3args args;
84004dbf
RS		 2755
2756 if (whence == SEEK_SET) {
2757 nfsfh->offset = offset;
2758 cb(0, nfs, &nfsfh->offset, private_data);
2759 return 0;
2760 }
2761 if (whence == SEEK_CUR) {
2762 nfsfh->offset += offset;
2763 cb(0, nfs, &nfsfh->offset, private_data);
2764 return 0;
2765 }
2766
2767 data = malloc(sizeof(struct lseek_cb_data));
2768 if (data == NULL) {
2769 rpc_set_error(nfs->rpc, "Out Of Memory: Failed to malloc lseek cb data");
2770 return -1;
2771 }
2772
2773 data->nfs = nfs;
2774 data->nfsfh = nfsfh;
2775 data->offset = offset;
2776 data->cb = cb;
2777 data->private_data = private_data;
2778
463d59bf
RS		 2779 memset(&args, 0, sizeof(GETATTR3args));
2780 args.object.data.data_len = nfsfh->fh.data.data_len;
2781 args.object.data.data_val = nfsfh->fh.data.data_val;
2782
2783 if (rpc_nfs3_getattr_async(nfs->rpc, nfs_lseek_1_cb, &args, data) != 0) {
84004dbf
RS		 2784 rpc_set_error(nfs->rpc, "RPC error: Failed to send LSEEK GETATTR call");
2785 free(data);
cbbf9d3e 2786 return -1;
84004dbf
RS		 2787 }
2788 return 0;
2789}
2790
2791
2792
2793
2794/*
2795 * Async statvfs()
2796 */
f3a75078 2797static void nfs_statvfs_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 2798{
2799 FSSTAT3res *res;
2800 struct nfs_cb_data *data = private_data;
2801 struct nfs_context *nfs = data->nfs;
2802 struct statvfs svfs;
2803
f3a75078
RS		 2804 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2805
84004dbf
RS		 2806 if (status == RPC_STATUS_ERROR) {
2807 data->cb(-EFAULT, nfs, command_data, data->private_data);
2808 free_nfs_cb_data(data);
2809 return;
2810 }
2811 if (status == RPC_STATUS_CANCEL) {
2812 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2813 free_nfs_cb_data(data);
2814 return;
2815 }
2816
2817 res = command_data;
2818 if (res->status != NFS3_OK) {
2819 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));
2820 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2821 free_nfs_cb_data(data);
2822 return;
2823 }
2824
2825 svfs.f_bsize = 4096;
2826 svfs.f_frsize = 4096;
2827 svfs.f_blocks = res->FSSTAT3res_u.resok.tbytes/4096;
2828 svfs.f_bfree = res->FSSTAT3res_u.resok.fbytes/4096;
2829 svfs.f_bavail = res->FSSTAT3res_u.resok.abytes/4096;
2830 svfs.f_files = res->FSSTAT3res_u.resok.tfiles;
2831 svfs.f_ffree = res->FSSTAT3res_u.resok.ffiles;
252aa90d 2832#if !defined(ANDROID)
84004dbf
RS		 2833 svfs.f_favail = res->FSSTAT3res_u.resok.afiles;
2834 svfs.f_fsid = 0;
2835 svfs.f_flag = 0;
2836 svfs.f_namemax = 256;
252aa90d 2837#endif
84004dbf
RS		 2838
2839 data->cb(0, nfs, &svfs, data->private_data);
2840 free_nfs_cb_data(data);
2841}
2842
2843static int nfs_statvfs_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2844{
2845 if (rpc_nfs_fsstat_async(nfs->rpc, nfs_statvfs_1_cb, &data->fh, data) != 0) {
2846 rpc_set_error(nfs->rpc, "RPC error: Failed to send FSSTAT call for %s", data->path);
2847 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2848 free_nfs_cb_data(data);
2849 return -1;
2850 }
2851 return 0;
2852}
2853
2854int nfs_statvfs_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
2855{
2856 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_statvfs_continue_internal, NULL, NULL, 0) != 0) {
cbbf9d3e 2857 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 2858 return -1;
2859 }
2860
2861 return 0;
2862}
2863
2864
2865
2866
2867/*
2868 * Async readlink()
2869 */
f3a75078 2870static void nfs_readlink_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 2871{
2872 READLINK3res *res;
2873 struct nfs_cb_data *data = private_data;
2874 struct nfs_context *nfs = data->nfs;
2875
f3a75078
RS		 2876 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2877
84004dbf
RS		 2878 if (status == RPC_STATUS_ERROR) {
2879 data->cb(-EFAULT, nfs, command_data, data->private_data);
2880 free_nfs_cb_data(data);
2881 return;
2882 }
2883 if (status == RPC_STATUS_CANCEL) {
2884 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2885 free_nfs_cb_data(data);
2886 return;
2887 }
2888
2889 res = command_data;
2890 if (res->status != NFS3_OK) {
2891 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));
2892 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2893 free_nfs_cb_data(data);
2894 return;
2895 }
2896
2897
2898 data->cb(0, nfs, res->READLINK3res_u.resok.data, data->private_data);
2899 free_nfs_cb_data(data);
2900}
2901
2902static int nfs_readlink_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2903{
16104b27
RS		 2904 READLINK3args args;
2905
2906 args.symlink.data.data_len = data->fh.data.data_len;
2907 args.symlink.data.data_val = data->fh.data.data_val;
2908
2909 if (rpc_nfs_readlink_async(nfs->rpc, nfs_readlink_1_cb, &args, data) != 0) {
84004dbf
RS		 2910 rpc_set_error(nfs->rpc, "RPC error: Failed to send READLINK call for %s", data->path);
2911 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2912 free_nfs_cb_data(data);
2913 return -1;
2914 }
2915 return 0;
2916}
2917
2918int nfs_readlink_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
2919{
2920 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_readlink_continue_internal, NULL, NULL, 0) != 0) {
cbbf9d3e 2921 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 2922 return -1;
2923 }
2924
2925 return 0;
2926}
2927
2928
2929
2930
2931/*
2932 * Async chmod()
2933 */
f3a75078 2934static void nfs_chmod_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 2935{
2936 struct nfs_cb_data *data = private_data;
2937 struct nfs_context *nfs = data->nfs;
2938 SETATTR3res *res;
2939
f3a75078
RS		 2940 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2941
84004dbf
RS		 2942 if (status == RPC_STATUS_ERROR) {
2943 data->cb(-EFAULT, nfs, command_data, data->private_data);
2944 free_nfs_cb_data(data);
2945 return;
2946 }
2947 if (status == RPC_STATUS_CANCEL) {
2948 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2949 free_nfs_cb_data(data);
2950 return;
2951 }
2952
2953 res = command_data;
2954 if (res->status != NFS3_OK) {
2955 rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
2956 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2957 free_nfs_cb_data(data);
2958 return;
2959 }
2960
2961 data->cb(0, nfs, NULL, data->private_data);
2962 free_nfs_cb_data(data);
2963}
2964
2965static int nfs_chmod_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2966{
2967 SETATTR3args args;
2968
ea98629a 2969 memset(&args, 0, sizeof(SETATTR3args));
84004dbf
RS		 2970 args.object.data.data_len = data->fh.data.data_len;
2971 args.object.data.data_val = data->fh.data.data_val;
2972 args.new_attributes.mode.set_it = 1;
2973 args.new_attributes.mode.set_mode3_u.mode = data->continue_int;
2974
2975 if (rpc_nfs_setattr_async(nfs->rpc, nfs_chmod_cb, &args, data) != 0) {
2976 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
2977 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2978 free_nfs_cb_data(data);
2979 return -1;
2980 }
2981 return 0;
2982}
2983
2984
2985int nfs_chmod_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data)
2986{
2987 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_chmod_continue_internal, NULL, NULL, mode) != 0) {
cbbf9d3e 2988 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 2989 return -1;
2990 }
2991
2992 return 0;
2993}
2994
2995/*
2996 * Async fchmod()
2997 */
2998int nfs_fchmod_async(struct nfs_context *nfs, struct nfsfh *nfsfh, int mode, nfs_cb cb, void *private_data)
2999{
3000 struct nfs_cb_data *data;
3001
3002 data = malloc(sizeof(struct nfs_cb_data));
3003 if (data == NULL) {
cbbf9d3e 3004 rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for nfs mount data");
84004dbf
RS		 3005 return -1;
3006 }
ea98629a 3007 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 3008 data->nfs = nfs;
3009 data->cb = cb;
3010 data->private_data = private_data;
3011 data->continue_int = mode;
3012 data->fh.data.data_len = nfsfh->fh.data.data_len;
3013 data->fh.data.data_val = malloc(data->fh.data.data_len);
3014 if (data->fh.data.data_val == NULL) {
3015 rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh");
3016 free_nfs_cb_data(data);
3017 return -1;
3018 }
3019 memcpy(data->fh.data.data_val, nfsfh->fh.data.data_val, data->fh.data.data_len);
3020
3021 if (nfs_chmod_continue_internal(nfs, data) != 0) {
3022 free_nfs_cb_data(data);
3023 return -1;
3024 }
3025
3026 return 0;
3027}
3028
3029
3030
3031/*
3032 * Async chown()
3033 */
f3a75078 3034static void nfs_chown_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3035{
3036 struct nfs_cb_data *data = private_data;
3037 struct nfs_context *nfs = data->nfs;
3038 SETATTR3res *res;
3039
f3a75078
RS		 3040 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3041
84004dbf
RS		 3042 if (status == RPC_STATUS_ERROR) {
3043 data->cb(-EFAULT, nfs, command_data, data->private_data);
3044 free_nfs_cb_data(data);
3045 return;
3046 }
3047 if (status == RPC_STATUS_CANCEL) {
3048 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3049 free_nfs_cb_data(data);
3050 return;
3051 }
3052
3053 res = command_data;
3054 if (res->status != NFS3_OK) {
3055 rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
3056 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3057 free_nfs_cb_data(data);
3058 return;
3059 }
3060
3061 data->cb(0, nfs, NULL, data->private_data);
3062 free_nfs_cb_data(data);
3063}
3064
3065struct nfs_chown_data {
3066 uid_t uid;
3067 gid_t gid;
3068};
3069
3070static int nfs_chown_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3071{
3072 SETATTR3args args;
3073 struct nfs_chown_data *chown_data = data->continue_data;
3074
ea98629a 3075 memset(&args, 0, sizeof(SETATTR3args));
84004dbf
RS		 3076 args.object.data.data_len = data->fh.data.data_len;
3077 args.object.data.data_val = data->fh.data.data_val;
3078 if (chown_data->uid != (uid_t)-1) {
3079 args.new_attributes.uid.set_it = 1;
3080 args.new_attributes.uid.set_uid3_u.uid = chown_data->uid;
3081 }
3082 if (chown_data->gid != (gid_t)-1) {
3083 args.new_attributes.gid.set_it = 1;
3084 args.new_attributes.gid.set_gid3_u.gid = chown_data->gid;
3085 }
3086
3087 if (rpc_nfs_setattr_async(nfs->rpc, nfs_chown_cb, &args, data) != 0) {
3088 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
3089 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3090 free_nfs_cb_data(data);
3091 return -1;
3092 }
3093 return 0;
3094}
3095
3096
3097int nfs_chown_async(struct nfs_context *nfs, const char *path, int uid, int gid, nfs_cb cb, void *private_data)
3098{
3099 struct nfs_chown_data *chown_data;
3100
3101 chown_data = malloc(sizeof(struct nfs_chown_data));
3102 if (chown_data == NULL) {
cbbf9d3e 3103 rpc_set_error(nfs->rpc, "Failed to allocate memory for chown data structure");
84004dbf
RS		 3104 return -1;
3105 }
3106
3107 chown_data->uid = uid;
3108 chown_data->gid = gid;
3109
3110 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_chown_continue_internal, chown_data, free, 0) != 0) {
cbbf9d3e 3111 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 3112 return -1;
3113 }
3114
3115 return 0;
3116}
3117
3118
3119/*
3120 * Async fchown()
3121 */
3122int nfs_fchown_async(struct nfs_context *nfs, struct nfsfh *nfsfh, int uid, int gid, nfs_cb cb, void *private_data)
3123{
3124 struct nfs_cb_data *data;
3125 struct nfs_chown_data *chown_data;
3126
3127 chown_data = malloc(sizeof(struct nfs_chown_data));
3128 if (chown_data == NULL) {
cbbf9d3e 3129 rpc_set_error(nfs->rpc, "Failed to allocate memory for chown data structure");
84004dbf
RS		 3130 return -1;
3131 }
3132
3133 chown_data->uid = uid;
3134 chown_data->gid = gid;
3135
3136
3137 data = malloc(sizeof(struct nfs_cb_data));
3138 if (data == NULL) {
cbbf9d3e 3139 rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for fchown data");
84004dbf
RS		 3140 return -1;
3141 }
ea98629a 3142 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 3143 data->nfs = nfs;
3144 data->cb = cb;
3145 data->private_data = private_data;
3146 data->continue_data = chown_data;
3147 data->fh.data.data_len = nfsfh->fh.data.data_len;
3148 data->fh.data.data_val = malloc(data->fh.data.data_len);
3149 if (data->fh.data.data_val == NULL) {
3150 rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh");
3151 free_nfs_cb_data(data);
3152 return -1;
3153 }
3154 memcpy(data->fh.data.data_val, nfsfh->fh.data.data_val, data->fh.data.data_len);
3155
3156
3157 if (nfs_chown_continue_internal(nfs, data) != 0) {
3158 free_nfs_cb_data(data);
3159 return -1;
3160 }
3161
3162 return 0;
3163}
3164
3165
3166
3167
3168
3169/*
3170 * Async utimes()
3171 */
f3a75078 3172static void nfs_utimes_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3173{
3174 struct nfs_cb_data *data = private_data;
3175 struct nfs_context *nfs = data->nfs;
3176 SETATTR3res *res;
3177
f3a75078
RS		 3178 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3179
84004dbf
RS		 3180 if (status == RPC_STATUS_ERROR) {
3181 data->cb(-EFAULT, nfs, command_data, data->private_data);
3182 free_nfs_cb_data(data);
3183 return;
3184 }
3185 if (status == RPC_STATUS_CANCEL) {
3186 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3187 free_nfs_cb_data(data);
3188 return;
3189 }
3190
3191 res = command_data;
3192 if (res->status != NFS3_OK) {
3193 rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
3194 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3195 free_nfs_cb_data(data);
3196 return;
3197 }
3198
3199 data->cb(0, nfs, NULL, data->private_data);
3200 free_nfs_cb_data(data);
3201}
3202
3203static int nfs_utimes_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3204{
3205 SETATTR3args args;
3206 struct timeval *utimes_data = data->continue_data;
3207
ea98629a 3208 memset(&args, 0, sizeof(SETATTR3args));
84004dbf
RS		 3209 args.object.data.data_len = data->fh.data.data_len;
3210 args.object.data.data_val = data->fh.data.data_val;
3211 if (utimes_data != NULL) {
3212 args.new_attributes.atime.set_it = SET_TO_CLIENT_TIME;
3213 args.new_attributes.atime.set_atime_u.atime.seconds = utimes_data[0].tv_sec;
3214 args.new_attributes.atime.set_atime_u.atime.nseconds = utimes_data[0].tv_usec * 1000;
3215 args.new_attributes.mtime.set_it = SET_TO_CLIENT_TIME;
3216 args.new_attributes.mtime.set_mtime_u.mtime.seconds = utimes_data[1].tv_sec;
3217 args.new_attributes.mtime.set_mtime_u.mtime.nseconds = utimes_data[1].tv_usec * 1000;
3218 } else {
3219 args.new_attributes.atime.set_it = SET_TO_SERVER_TIME;
3220 args.new_attributes.mtime.set_it = SET_TO_SERVER_TIME;
3221 }
3222
3223 if (rpc_nfs_setattr_async(nfs->rpc, nfs_utimes_cb, &args, data) != 0) {
3224 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
3225 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3226 free_nfs_cb_data(data);
3227 return -1;
3228 }
3229 return 0;
3230}
3231
3232
3233int nfs_utimes_async(struct nfs_context *nfs, const char *path, struct timeval *times, nfs_cb cb, void *private_data)
3234{
3235 struct timeval *new_times = NULL;
3236
3237 if (times != NULL) {
3238 new_times = malloc(sizeof(struct timeval)*2);
3239 if (new_times == NULL) {
cbbf9d3e 3240 rpc_set_error(nfs->rpc, "Failed to allocate memory for timeval structure");
84004dbf
RS		 3241 return -1;
3242 }
3243
3244 memcpy(new_times, times, sizeof(struct timeval)*2);
3245 }
3246
3247 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_utimes_continue_internal, new_times, free, 0) != 0) {
cbbf9d3e 3248 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 3249 return -1;
3250 }
3251
3252 return 0;
3253}
3254
3255/*
3256 * Async utime()
3257 */
3258int nfs_utime_async(struct nfs_context *nfs, const char *path, struct utimbuf *times, nfs_cb cb, void *private_data)
3259{
3260 struct timeval *new_times = NULL;
3261
3262 if (times != NULL) {
3263 new_times = malloc(sizeof(struct timeval)*2);
3264 if (new_times == NULL) {
cbbf9d3e 3265 rpc_set_error(nfs->rpc, "Failed to allocate memory for timeval structure");
84004dbf
RS		 3266 return -1;
3267 }
3268
3269 new_times[0].tv_sec = times->actime;
3270 new_times[0].tv_usec = 0;
3271 new_times[1].tv_sec = times->modtime;
3272 new_times[1].tv_usec = 0;
3273 }
3274
3275 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_utimes_continue_internal, new_times, free, 0) != 0) {
cbbf9d3e 3276 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 3277 return -1;
3278 }
3279
3280 return 0;
3281}
84004dbf
RS		 3282
3283
3284/*
3285 * Async access()
3286 */
f3a75078 3287static void nfs_access_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3288{
3289 ACCESS3res *res;
3290 struct nfs_cb_data *data = private_data;
3291 struct nfs_context *nfs = data->nfs;
3292 unsigned int nfsmode = 0;
3293
f3a75078
RS		 3294 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3295
84004dbf
RS		 3296 if (status == RPC_STATUS_ERROR) {
3297 data->cb(-EFAULT, nfs, command_data, data->private_data);
3298 free_nfs_cb_data(data);
3299 return;
3300 }
3301 if (status == RPC_STATUS_CANCEL) {
3302 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3303 free_nfs_cb_data(data);
3304 return;
3305 }
3306
3307 res = command_data;
3308 if (res->status != NFS3_OK) {
3309 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));
3310 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3311 free_nfs_cb_data(data);
3312 return;
3313 }
3314
3315 if (data->continue_int & R_OK) {
3316 nfsmode |= ACCESS3_READ;
3317 }
3318 if (data->continue_int & W_OK) {
3319 nfsmode |= ACCESS3_MODIFY;
3320 }
3321 if (data->continue_int & X_OK) {
3322 nfsmode |= ACCESS3_EXECUTE;
3323 }
3324
3325 if (res->ACCESS3res_u.resok.access != nfsmode) {
3326 rpc_set_error(nfs->rpc, "NFS: ACCESS denied. Required access %c%c%c. Allowed access %c%c%c",
3327 nfsmode&ACCESS3_READ?'r':'-',
3328 nfsmode&ACCESS3_MODIFY?'w':'-',
3329 nfsmode&ACCESS3_EXECUTE?'x':'-',
3330 res->ACCESS3res_u.resok.access&ACCESS3_READ?'r':'-',
3331 res->ACCESS3res_u.resok.access&ACCESS3_MODIFY?'w':'-',
3332 res->ACCESS3res_u.resok.access&ACCESS3_EXECUTE?'x':'-');
3333 data->cb(-EACCES, nfs, rpc_get_error(nfs->rpc), data->private_data);
3334 free_nfs_cb_data(data);
3335 return;
3336 }
3337
3338 data->cb(0, nfs, NULL, data->private_data);
3339 free_nfs_cb_data(data);
3340}
3341
3342static int nfs_access_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3343{
3344 int nfsmode = 0;
463d59bf 3345 ACCESS3args args;
84004dbf
RS		 3346
3347 if (data->continue_int & R_OK) {
3348 nfsmode |= ACCESS3_READ;
3349 }
3350 if (data->continue_int & W_OK) {
3351 nfsmode |= ACCESS3_MODIFY;
3352 }
3353 if (data->continue_int & X_OK) {
3354 nfsmode |= ACCESS3_EXECUTE;
3355 }
3356
463d59bf
RS		 3357 memset(&args, 0, sizeof(ACCESS3args));
3358 args.object.data.data_len = data->fh.data.data_len;
3359 args.object.data.data_val = data->fh.data.data_val;
3360 args.access = nfsmode;
3361
3362 if (rpc_nfs3_access_async(nfs->rpc, nfs_access_cb, &args, data) != 0) {
84004dbf
RS		 3363 rpc_set_error(nfs->rpc, "RPC error: Failed to send OPEN ACCESS call for %s", data->path);
3364 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3365 free_nfs_cb_data(data);
3366 return -1;
3367 }
3368 return 0;
3369}
3370
3371int nfs_access_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data)
3372{
3373 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_access_continue_internal, NULL, NULL, mode) != 0) {
cbbf9d3e
RS		 3374 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
3375 return -1;
84004dbf
RS		 3376 }
3377
3378 return 0;
3379}
3380
3381
3382
3383/*
3384 * Async symlink()
3385 */
3386struct nfs_symlink_data {
3387 char *oldpath;
3388 char *newpathparent;
3389 char *newpathobject;
3390};
3391
3392static void free_nfs_symlink_data(void *mem)
3393{
3394 struct nfs_symlink_data *data = mem;
3395
3396 if (data->oldpath != NULL) {
3397 free(data->oldpath);
3398 }
3399 if (data->newpathparent != NULL) {
3400 free(data->newpathparent);
3401 }
3402 if (data->newpathobject != NULL) {
3403 free(data->newpathobject);
3404 }
3405 free(data);
3406}
3407
f3a75078 3408static void nfs_symlink_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3409{
3410 SYMLINK3res *res;
3411 struct nfs_cb_data *data = private_data;
3412 struct nfs_context *nfs = data->nfs;
3413 struct nfs_symlink_data *symlink_data = data->continue_data;
3414
f3a75078
RS		 3415 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3416
84004dbf
RS		 3417 if (status == RPC_STATUS_ERROR) {
3418 data->cb(-EFAULT, nfs, command_data, data->private_data);
3419 free_nfs_cb_data(data);
3420 return;
3421 }
3422 if (status == RPC_STATUS_CANCEL) {
3423 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3424 free_nfs_cb_data(data);
3425 return;
3426 }
3427
3428 res = command_data;
3429 if (res->status != NFS3_OK) {
3430 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));
3431 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3432 free_nfs_cb_data(data);
3433 return;
3434 }
3435
3436 data->cb(0, nfs, NULL, data->private_data);
3437 free_nfs_cb_data(data);
3438}
3439
3440static int nfs_symlink_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3441{
3442 struct nfs_symlink_data *symlink_data = data->continue_data;
8e255816 3443 SYMLINK3args sa;
84004dbf 3444
8e255816
RS		 3445 memset(&sa, 0, sizeof(SYMLINK3args));
3446 sa.where.dir.data.data_len = data->fh.data.data_len;
3447 sa.where.dir.data.data_val = data->fh.data.data_val;
3448 sa.where.name = symlink_data->newpathobject;
3449 sa.symlink.symlink_attributes.mode.set_it = 1;
3450 sa.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;
3451 sa.symlink.symlink_data = symlink_data->oldpath;
3452
3453 if (rpc_nfs_symlink_async(nfs->rpc, nfs_symlink_cb, &sa, data) != 0) {
84004dbf
RS		 3454 rpc_set_error(nfs->rpc, "RPC error: Failed to send SYMLINK call for %s", data->path);
3455 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3456 free_nfs_cb_data(data);
3457 return -1;
3458 }
3459 return 0;
3460}
3461
3462int nfs_symlink_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data)
3463{
3464 char *ptr;
3465 struct nfs_symlink_data *symlink_data;
3466
3467 symlink_data = malloc(sizeof(struct nfs_symlink_data));
3468 if (symlink_data == NULL) {
cbbf9d3e 3469 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for symlink data");
84004dbf
RS		 3470 return -1;
3471 }
ea98629a 3472 memset(symlink_data, 0, sizeof(struct nfs_symlink_data));
84004dbf
RS		 3473
3474 symlink_data->oldpath = strdup(oldpath);
3475 if (symlink_data->oldpath == NULL) {
cbbf9d3e 3476 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath");
84004dbf 3477 free_nfs_symlink_data(symlink_data);
cbbf9d3e 3478 return -1;
84004dbf
RS		 3479 }
3480
3481 symlink_data->newpathparent = strdup(newpath);
3482 if (symlink_data->newpathparent == NULL) {
cbbf9d3e 3483 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for new path");
84004dbf 3484 free_nfs_symlink_data(symlink_data);
cbbf9d3e 3485 return -1;
84004dbf
RS		 3486 }
3487
93e9306f 3488 ptr = strrchr(symlink_data->newpathparent, '/');
84004dbf 3489 if (ptr == NULL) {
cbbf9d3e 3490 rpc_set_error(nfs->rpc, "Invalid path %s", oldpath);
84004dbf 3491 free_nfs_symlink_data(symlink_data);
cbbf9d3e 3492 return -1;
84004dbf
RS		 3493 }
3494 *ptr = 0;
3495 ptr++;
3496
3497 symlink_data->newpathobject = strdup(ptr);
3498 if (symlink_data->newpathobject == NULL) {
cbbf9d3e 3499 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for new path");
84004dbf 3500 free_nfs_symlink_data(symlink_data);
cbbf9d3e 3501 return -1;
84004dbf
RS		 3502 }
3503
3504 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		 3505 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
3506 return -1;
84004dbf
RS		 3507 }
3508
3509 return 0;
3510}
3511
3512
3513
3514/*
3515 * Async rename()
3516 */
3517struct nfs_rename_data {
3518 char *oldpath;
3519 char *oldobject;
3520 struct nfs_fh3 olddir;
3521 char *newpath;
3522 char *newobject;
3523 struct nfs_fh3 newdir;
3524};
3525
3526static void free_nfs_rename_data(void *mem)
3527{
3528 struct nfs_rename_data *data = mem;
3529
3530 if (data->oldpath != NULL) {
3531 free(data->oldpath);
3532 }
3533 if (data->olddir.data.data_val != NULL) {
3534 free(data->olddir.data.data_val);
3535 }
3536 if (data->newpath != NULL) {
3537 free(data->newpath);
3538 }
3539 if (data->newdir.data.data_val != NULL) {
3540 free(data->newdir.data.data_val);
3541 }
3542 free(data);
3543}
3544
f3a75078 3545static void nfs_rename_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3546{
3547 RENAME3res *res;
3548 struct nfs_cb_data *data = private_data;
3549 struct nfs_context *nfs = data->nfs;
3550 struct nfs_rename_data *rename_data = data->continue_data;
3551
f3a75078
RS		 3552 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3553
84004dbf
RS		 3554 if (status == RPC_STATUS_ERROR) {
3555 data->cb(-EFAULT, nfs, command_data, data->private_data);
3556 free_nfs_cb_data(data);
3557 return;
3558 }
3559 if (status == RPC_STATUS_CANCEL) {
3560 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3561 free_nfs_cb_data(data);
3562 return;
3563 }
3564
3565 res = command_data;
3566 if (res->status != NFS3_OK) {
3567 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));
3568 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3569 free_nfs_cb_data(data);
3570 return;
3571 }
3572
3573 data->cb(0, nfs, NULL, data->private_data);
3574 free_nfs_cb_data(data);
3575}
3576
3577static int nfs_rename_continue_2_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3578{
3579 struct nfs_rename_data *rename_data = data->continue_data;
3580
3581 /* steal the filehandle */
3582 rename_data->newdir.data.data_len = data->fh.data.data_len;
3583 rename_data->newdir.data.data_val = data->fh.data.data_val;
3584 data->fh.data.data_val = NULL;
3585
3586 if (rpc_nfs_rename_async(nfs->rpc, nfs_rename_cb, &rename_data->olddir, rename_data->oldobject, &rename_data->newdir, rename_data->newobject, data) != 0) {
3587 rpc_set_error(nfs->rpc, "RPC error: Failed to send RENAME call for %s", data->path);
3588 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3589 free_nfs_cb_data(data);
3590 return -1;
3591 }
3592 return 0;
3593}
3594
3595
3596static int nfs_rename_continue_1_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3597{
3598 struct nfs_rename_data *rename_data = data->continue_data;
3599
3600 /* steal the filehandle */
3601 rename_data->olddir.data.data_len = data->fh.data.data_len;
3602 rename_data->olddir.data.data_val = data->fh.data.data_val;
3603 data->fh.data.data_val = NULL;
3604
3605 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) {
3606 rpc_set_error(nfs->rpc, "RPC error: Failed to send LOOKUP call for %s", rename_data->newpath);
3607 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3608 free_nfs_cb_data(data);
3609 return -1;
3610 }
3611 data->continue_data = NULL;
3612 free_nfs_cb_data(data);
3613
3614 return 0;
3615}
3616
3617
3618int nfs_rename_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data)
3619{
3620 char *ptr;
3621 struct nfs_rename_data *rename_data;
3622
3623 rename_data = malloc(sizeof(struct nfs_rename_data));
3624 if (rename_data == NULL) {
cbbf9d3e 3625 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for rename data");
84004dbf
RS		 3626 return -1;
3627 }
ea98629a 3628 memset(rename_data, 0, sizeof(struct nfs_rename_data));
84004dbf
RS		 3629
3630 rename_data->oldpath = strdup(oldpath);
3631 if (rename_data->oldpath == NULL) {
cbbf9d3e 3632 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath");
84004dbf 3633 free_nfs_rename_data(rename_data);
cbbf9d3e 3634 return -1;
84004dbf 3635 }
93e9306f 3636 ptr = strrchr(rename_data->oldpath, '/');
84004dbf 3637 if (ptr == NULL) {
cbbf9d3e 3638 rpc_set_error(nfs->rpc, "Invalid path %s", oldpath);
84004dbf 3639 free_nfs_rename_data(rename_data);
cbbf9d3e 3640 return -1;
84004dbf
RS		 3641 }
3642 *ptr = 0;
3643 ptr++;
3644 rename_data->oldobject = ptr;
3645
3646
3647 rename_data->newpath = strdup(newpath);
3648 if (rename_data->newpath == NULL) {
cbbf9d3e 3649 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for newpath");
84004dbf 3650 free_nfs_rename_data(rename_data);
cbbf9d3e 3651 return -1;
84004dbf 3652 }
93e9306f 3653 ptr = strrchr(rename_data->newpath, '/');
84004dbf 3654 if (ptr == NULL) {
cbbf9d3e 3655 rpc_set_error(nfs->rpc, "Invalid path %s", newpath);
84004dbf 3656 free_nfs_rename_data(rename_data);
cbbf9d3e 3657 return -1;
84004dbf
RS		 3658 }
3659 *ptr = 0;
3660 ptr++;
3661 rename_data->newobject = ptr;
3662
3663
3664 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		 3665 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
3666 return -1;
84004dbf
RS		 3667 }
3668
3669 return 0;
3670}
3671
3672
3673/*
3674 * Async link()
3675 */
3676struct nfs_link_data {
3677 char *oldpath;
3678 struct nfs_fh3 oldfh;
3679 char *newpath;
3680 char *newobject;
3681 struct nfs_fh3 newdir;
3682};
3683
3684static void free_nfs_link_data(void *mem)
3685{
3686 struct nfs_link_data *data = mem;
3687
3688 if (data->oldpath != NULL) {
3689 free(data->oldpath);
3690 }
3691 if (data->oldfh.data.data_val != NULL) {
3692 free(data->oldfh.data.data_val);
3693 }
3694 if (data->newpath != NULL) {
3695 free(data->newpath);
3696 }
3697 if (data->newdir.data.data_val != NULL) {
3698 free(data->newdir.data.data_val);
3699 }
3700 free(data);
3701}
3702
f3a75078 3703static void nfs_link_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3704{
3705 LINK3res *res;
3706 struct nfs_cb_data *data = private_data;
3707 struct nfs_context *nfs = data->nfs;
3708 struct nfs_link_data *link_data = data->continue_data;
3709
f3a75078
RS		 3710 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3711
84004dbf
RS		 3712 if (status == RPC_STATUS_ERROR) {
3713 data->cb(-EFAULT, nfs, command_data, data->private_data);
3714 free_nfs_cb_data(data);
3715 return;
3716 }
3717 if (status == RPC_STATUS_CANCEL) {
3718 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3719 free_nfs_cb_data(data);
3720 return;
3721 }
3722
3723 res = command_data;
3724 if (res->status != NFS3_OK) {
3725 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));
3726 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3727 free_nfs_cb_data(data);
3728 return;
3729 }
3730
3731 data->cb(0, nfs, NULL, data->private_data);
3732 free_nfs_cb_data(data);
3733}
3734
3735static int nfs_link_continue_2_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3736{
3737 struct nfs_link_data *link_data = data->continue_data;
3738
3739 /* steal the filehandle */
3740 link_data->newdir.data.data_len = data->fh.data.data_len;
3741 link_data->newdir.data.data_val = data->fh.data.data_val;
3742 data->fh.data.data_val = NULL;
3743
3744 if (rpc_nfs_link_async(nfs->rpc, nfs_link_cb, &link_data->oldfh, &link_data->newdir, link_data->newobject, data) != 0) {
3745 rpc_set_error(nfs->rpc, "RPC error: Failed to send LINK call for %s", data->path);
3746 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3747 free_nfs_cb_data(data);
3748 return -1;
3749 }
3750 return 0;
3751}
3752
3753
3754static int nfs_link_continue_1_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3755{
3756 struct nfs_link_data *link_data = data->continue_data;
3757
3758 /* steal the filehandle */
3759 link_data->oldfh.data.data_len = data->fh.data.data_len;
3760 link_data->oldfh.data.data_val = data->fh.data.data_val;
3761 data->fh.data.data_val = NULL;
3762
3763 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) {
3764 rpc_set_error(nfs->rpc, "RPC error: Failed to send LOOKUP call for %s", link_data->newpath);
3765 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3766 free_nfs_cb_data(data);
3767 return -1;
3768 }
3769 data->continue_data = NULL;
3770 free_nfs_cb_data(data);
3771
3772 return 0;
3773}
3774
3775
3776int nfs_link_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data)
3777{
3778 char *ptr;
3779 struct nfs_link_data *link_data;
3780
3781 link_data = malloc(sizeof(struct nfs_link_data));
3782 if (link_data == NULL) {
cbbf9d3e 3783 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for link data");
84004dbf
RS		 3784 return -1;
3785 }
ea98629a 3786 memset(link_data, 0, sizeof(struct nfs_link_data));
84004dbf
RS		 3787
3788 link_data->oldpath = strdup(oldpath);
3789 if (link_data->oldpath == NULL) {
cbbf9d3e 3790 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath");
84004dbf 3791 free_nfs_link_data(link_data);
cbbf9d3e 3792 return -1;
84004dbf
RS		 3793 }
3794
3795 link_data->newpath = strdup(newpath);
3796 if (link_data->newpath == NULL) {
cbbf9d3e 3797 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for newpath");
84004dbf 3798 free_nfs_link_data(link_data);
cbbf9d3e 3799 return -1;
84004dbf 3800 }
93e9306f 3801 ptr = strrchr(link_data->newpath, '/');
84004dbf 3802 if (ptr == NULL) {
cbbf9d3e 3803 rpc_set_error(nfs->rpc, "Invalid path %s", newpath);
84004dbf 3804 free_nfs_link_data(link_data);
cbbf9d3e 3805 return -1;
84004dbf
RS		 3806 }
3807 *ptr = 0;
3808 ptr++;
3809 link_data->newobject = ptr;
3810
3811
3812 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		 3813 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
3814 return -1;
84004dbf
RS		 3815 }
3816
3817 return 0;
3818}
3819
3820
3821//qqq replace later with lseek()
183451cf 3822uint64_t nfs_get_current_offset(struct nfsfh *nfsfh)
84004dbf
RS		 3823{
3824 return nfsfh->offset;
3825}
3826
17ef62fa
RS		 3827
3828
3829/*
3830 * Get the maximum supported READ3 size by the server
3831 */
183451cf 3832uint64_t nfs_get_readmax(struct nfs_context *nfs)
17ef62fa
RS		 3833{
3834 return nfs->readmax;
3835}
3836
3837/*
3838 * Get the maximum supported WRITE3 size by the server
3839 */
183451cf 3840uint64_t nfs_get_writemax(struct nfs_context *nfs)
17ef62fa 3841{
e7f3a781 3842 return nfs->writemax;
17ef62fa 3843}
1896d37b
RS		 3844
3845void nfs_set_error(struct nfs_context *nfs, char *error_string, ...)
3846{
3847 va_list ap;
1e8994af 3848 char *str = NULL;
1896d37b 3849
1e8994af 3850 va_start(ap, error_string);
2606f9bb
RS		 3851 str = malloc(1024);
3852 vsnprintf(str, 1024, error_string, ap);
1896d37b
RS		 3853 if (nfs->rpc->error_string != NULL) {
3854 free(nfs->rpc->error_string);
3855 }
1896d37b 3856 nfs->rpc->error_string = str;
a8a1b858 3857 va_end(ap);
1896d37b 3858}
7f0242ca
RS		 3859
3860
3861
3862struct mount_cb_data {
3863 rpc_cb cb;
3864 void *private_data;
3865 char *server;
3866};
3867
3868static void free_mount_cb_data(struct mount_cb_data *data)
3869{
3870 if (data->server != NULL) {
3871 free(data->server);
3872 data->server = NULL;
3873 }
3874
3875 free(data);
3876}
3877
3878static void mount_export_5_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
3879{
3880 struct mount_cb_data *data = private_data;
3881
f3a75078
RS		 3882 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3883
3884 if (status == RPC_STATUS_ERROR) {
7f0242ca
RS		 3885 data->cb(rpc, -EFAULT, command_data, data->private_data);
3886 free_mount_cb_data(data);
3887 return;
3888 }
3889 if (status == RPC_STATUS_CANCEL) {
3890 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
3891 free_mount_cb_data(data);
3892 return;
3893 }
3894
3895 data->cb(rpc, 0, command_data, data->private_data);
3896 if (rpc_disconnect(rpc, "normal disconnect") != 0) {
3897 rpc_set_error(rpc, "Failed to disconnect\n");
3898 }
3899 free_mount_cb_data(data);
3900}
3901
3902static void mount_export_4_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
3903{
3904 struct mount_cb_data *data = private_data;
3905
f3a75078
RS		 3906 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3907
14a062eb
RS		 3908 /* Dont want any more callbacks even if the socket is closed */
3909 rpc->connect_cb = NULL;
3910
7f0242ca
RS		 3911 if (status == RPC_STATUS_ERROR) {
3912 data->cb(rpc, -EFAULT, command_data, data->private_data);
3913 free_mount_cb_data(data);
3914 return;
3915 }
3916 if (status == RPC_STATUS_CANCEL) {
3917 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
3918 free_mount_cb_data(data);
3919 return;
3920 }
3921
eda77ec3 3922 if (rpc_mount3_export_async(rpc, mount_export_5_cb, data) != 0) {
7f0242ca
RS		 3923 data->cb(rpc, -ENOMEM, command_data, data->private_data);
3924 free_mount_cb_data(data);
3925 return;
3926 }
3927}
3928
3929static void mount_export_3_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
3930{
3931 struct mount_cb_data *data = private_data;
3932 uint32_t mount_port;
3933
f3a75078
RS		 3934 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3935
3936 if (status == RPC_STATUS_ERROR) {
7f0242ca
RS		 3937 data->cb(rpc, -EFAULT, command_data, data->private_data);
3938 free_mount_cb_data(data);
3939 return;
3940 }
3941 if (status == RPC_STATUS_CANCEL) {
3942 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
3943 free_mount_cb_data(data);
3944 return;
3945 }
3946
3947 mount_port = *(uint32_t *)command_data;
3948 if (mount_port == 0) {
3949 rpc_set_error(rpc, "RPC error. Mount program is not available");
3950 data->cb(rpc, -ENOENT, command_data, data->private_data);
3951 free_mount_cb_data(data);
3952 return;
3953 }
3954
3955 rpc_disconnect(rpc, "normal disconnect");
3956 if (rpc_connect_async(rpc, data->server, mount_port, mount_export_4_cb, data) != 0) {
3957 data->cb(rpc, -ENOMEM, command_data, data->private_data);
3958 free_mount_cb_data(data);
3959 return;
3960 }
3961}
3962
3963static void mount_export_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
3964{
3965 struct mount_cb_data *data = private_data;
3966
f3a75078
RS		 3967 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3968
7f0242ca
RS		 3969 if (status == RPC_STATUS_ERROR) {
3970 data->cb(rpc, -EFAULT, command_data, data->private_data);
3971 free_mount_cb_data(data);
3972 return;
3973 }
3974 if (status == RPC_STATUS_CANCEL) {
3975 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
3976 free_mount_cb_data(data);
3977 return;
3978 }
3979
5c6b1176 3980 if (rpc_pmap_getport_async(rpc, MOUNT_PROGRAM, MOUNT_V3, IPPROTO_TCP, mount_export_3_cb, private_data) != 0) {
7f0242ca
RS		 3981 data->cb(rpc, -ENOMEM, command_data, data->private_data);
3982 free_mount_cb_data(data);
3983 return;
3984 }
3985}
3986
3987static void mount_export_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
3988{
3989 struct mount_cb_data *data = private_data;
3990
f3a75078
RS		 3991 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3992
14a062eb
RS		 3993 /* Dont want any more callbacks even if the socket is closed */
3994 rpc->connect_cb = NULL;
3995
7f0242ca
RS		 3996 if (status == RPC_STATUS_ERROR) {
3997 data->cb(rpc, -EFAULT, command_data, data->private_data);
3998 free_mount_cb_data(data);
3999 return;
4000 }
4001 if (status == RPC_STATUS_CANCEL) {
4002 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
4003 free_mount_cb_data(data);
4004 return;
4005 }
4006
4007 if (rpc_pmap_null_async(rpc, mount_export_2_cb, data) != 0) {
4008 data->cb(rpc, -ENOMEM, command_data, data->private_data);
4009 free_mount_cb_data(data);
4010 return;
4011 }
4012}
4013
4014int mount_getexports_async(struct rpc_context *rpc, const char *server, rpc_cb cb, void *private_data)
4015{
4016 struct mount_cb_data *data;
4017
f3a75078
RS		 4018 assert(rpc->magic == RPC_CONTEXT_MAGIC);
4019
7f0242ca
RS		 4020 data = malloc(sizeof(struct mount_cb_data));
4021 if (data == NULL) {
4022 return -1;
4023 }
ea98629a 4024 memset(data, 0, sizeof(struct mount_cb_data));
7f0242ca
RS		 4025 data->cb = cb;
4026 data->private_data = private_data;
4027 data->server = strdup(server);
4028 if (data->server == NULL) {
4029 free_mount_cb_data(data);
4030 return -1;
4031 }
4032 if (rpc_connect_async(rpc, data->server, 111, mount_export_1_cb, data) != 0) {
4033 free_mount_cb_data(data);
4034 return -1;
4035 }
4036
4037 return 0;
4038}
4039
df5af25f
RS		 4040struct rpc_context *nfs_get_rpc_context(struct nfs_context *nfs)
4041{
f3a75078 4042 assert(nfs->rpc->magic == RPC_CONTEXT_MAGIC);
df5af25f
RS		 4043 return nfs->rpc;
4044}
4045
b077fdeb
RS		 4046const char *nfs_get_server(struct nfs_context *nfs) {
4047 return nfs->server;
4048}
4049
4050const char *nfs_get_export(struct nfs_context *nfs) {
4051 return nfs->export;
4052}
0ad9a1f1 4053
8724c833
RS		 4054const struct nfs_fh3 *nfs_get_rootfh(struct nfs_context *nfs) {
4055 return &nfs->rootfh;
4056}
fa3c25be
RS		 4057
4058struct nfs_fh3 *nfs_get_fh(struct nfsfh *nfsfh) {
4059 return &nfsfh->fh;
4060}
libnfs Piment Noir Debian package repository