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MOUNT: The wrappers for the old MOUNT rpc calls should call the new functions and...
[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
6bdcd5b6 176static struct nfs_url *nfs_parse_url(struct nfs_context *nfs, const char *url, int dir, int incomplete)
d2ec73c7
PL		 177{
178 struct nfs_url *urls;
179 char *strp, *flagsp, *strp2;
180
181 if (strncmp(url, "nfs://", 6)) {
182 rpc_set_error(nfs->rpc, "Invalid URL specified");
183 return NULL;
184 }
185
186 urls = malloc(sizeof(struct nfs_url));
187 if (urls == NULL) {
188 rpc_set_error(nfs->rpc, "Out of memory");
189 return NULL;
190 }
191
192 urls->server = strdup(url + 6);
193 if (urls->server == NULL) {
194 nfs_destroy_url(urls);
195 rpc_set_error(nfs->rpc, "Out of memory");
196 return NULL;
197 }
198
199 if (urls->server[0] == '/' || urls->server[0] == '\0' ||
200 urls->server[0] == '?') {
201 if (incomplete) {
202 flagsp = strchr(urls->server, '?');
203 goto flags;
204 }
205 nfs_destroy_url(urls);
206 rpc_set_error(nfs->rpc, "Invalid server string");
207 return NULL;
208 }
209
210 strp = strchr(urls->server, '/');
211 if (strp == NULL) {
212 if (incomplete) {
213 flagsp = strchr(urls->server, '?');
214 goto flags;
215 }
216 nfs_destroy_url(urls);
217 rpc_set_error(nfs->rpc, "Incomplete or invalid URL specified.");
218 return NULL;
219 }
220
221 urls->path = strdup(strp);
222 if (urls->path == NULL) {
223 nfs_destroy_url(urls);
224 rpc_set_error(nfs->rpc, "Out of memory");
225 return NULL;
226 }
227 *strp = 0;
228
229 if (dir) {
230 flagsp = strchr(urls->path, '?');
231 goto flags;
232 }
233
234 strp = strrchr(urls->path, '/');
235 if (strp == NULL) {
236 if (incomplete) {
237 flagsp = strchr(urls->path, '?');
238 goto flags;
239 }
240 nfs_destroy_url(urls);
241 rpc_set_error(nfs->rpc, "Incomplete or invalid URL specified.");
242 return NULL;
243 }
244 urls->file = strdup(strp);
245 if (urls->path == NULL) {
246 nfs_destroy_url(urls);
247 rpc_set_error(nfs->rpc, "Out of memory");
248 return NULL;
249 }
250 *strp = 0;
251 flagsp = strchr(urls->file, '?');
252
253flags:
254 if (flagsp) {
255 *flagsp = 0;
256 }
257
258 if (urls->file && !strlen(urls->file)) {
259 free(urls->file);
260 urls->file = NULL;
261 if (!incomplete) {
262 nfs_destroy_url(urls);
263 rpc_set_error(nfs->rpc, "Incomplete or invalid URL specified.");
264 return NULL;
265 }
266 }
267
268 if (urls->server && strlen(urls->server) <= 1) {
269 free(urls->server);
270 urls->server = NULL;
271 }
272
273 while (flagsp != NULL && *(flagsp+1) != 0) {
274 strp = flagsp + 1;
275 flagsp = strchr(strp, '&');
276 if (flagsp) {
277 *flagsp = 0;
278 }
279 strp2 = strchr(strp, '=');
280 if (strp2) {
281 *strp2 = 0;
282 strp2++;
1c8b4547
PL		 283 if (!strncmp(strp, "tcp-syncnt", 10)) {
284 rpc_set_tcp_syncnt(nfs->rpc, atoi(strp2));
9126c9c0
PL		 285 } else if (!strncmp(strp, "uid", 3)) {
286 rpc_set_uid(nfs->rpc, atoi(strp2));
287 } else if (!strncmp(strp, "gid", 3)) {
288 rpc_set_gid(nfs->rpc, atoi(strp2));
1c8b4547 289 }
d2ec73c7
PL		 290 }
291 }
292
293 return urls;
294}
295
296struct nfs_url *nfs_parse_url_full(struct nfs_context *nfs, const char *url)
297{
298 return nfs_parse_url(nfs, url, 0, 0);
299}
300
301struct nfs_url *nfs_parse_url_dir(struct nfs_context *nfs, const char *url)
302{
303 return nfs_parse_url(nfs, url, 1, 0);
304}
305
306struct nfs_url *nfs_parse_url_incomplete(struct nfs_context *nfs, const char *url)
307{
308 return nfs_parse_url(nfs, url, 0, 1);
309}
310
311
312void nfs_destroy_url(struct nfs_url *url)
313{
314 if (url) {
315 free(url->server);
316 free(url->path);
317 free(url->file);
318 }
319 free(url);
320}
321
84004dbf
RS		 322struct nfs_context *nfs_init_context(void)
323{
324 struct nfs_context *nfs;
325
326 nfs = malloc(sizeof(struct nfs_context));
327 if (nfs == NULL) {
84004dbf
RS		 328 return NULL;
329 }
330 nfs->rpc = rpc_init_context();
331 if (nfs->rpc == NULL) {
84004dbf
RS		 332 free(nfs);
333 return NULL;
334 }
335
b077fdeb
RS		 336 nfs->server = NULL;
337 nfs->export = NULL;
338
963c2f83
RS		 339 nfs->rootfh.data.data_len = 0;
340 nfs->rootfh.data.data_val = NULL;
341
84004dbf
RS		 342 return nfs;
343}
344
345void nfs_destroy_context(struct nfs_context *nfs)
346{
347 rpc_destroy_context(nfs->rpc);
348 nfs->rpc = NULL;
349
350 if (nfs->server) {
351 free(nfs->server);
352 nfs->server = NULL;
353 }
354
355 if (nfs->export) {
356 free(nfs->export);
357 nfs->export = NULL;
358 }
359
360 if (nfs->rootfh.data.data_val != NULL) {
361 free(nfs->rootfh.data.data_val);
362 nfs->rootfh.data.data_val = NULL;
363 }
364
365 free(nfs);
366}
367
8733f38d
RS		 368struct rpc_cb_data {
369 char *server;
370 uint32_t program;
371 uint32_t version;
372
373 rpc_cb cb;
374 void *private_data;
375};
376
377void free_rpc_cb_data(struct rpc_cb_data *data)
378{
379 free(data->server);
380 data->server = NULL;
381 free(data);
382}
383
384static void rpc_connect_program_4_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
385{
386 struct rpc_cb_data *data = private_data;
387
388 assert(rpc->magic == RPC_CONTEXT_MAGIC);
389
390 /* Dont want any more callbacks even if the socket is closed */
391 rpc->connect_cb = NULL;
392
393 if (status == RPC_STATUS_ERROR) {
394 data->cb(rpc, status, command_data, data->private_data);
395 free_rpc_cb_data(data);
396 return;
397 }
398 if (status == RPC_STATUS_CANCEL) {
399 data->cb(rpc, status, "Command was cancelled", data->private_data);
400 free_rpc_cb_data(data);
401 return;
402 }
403
404 data->cb(rpc, status, NULL, data->private_data);
405 free_rpc_cb_data(data);
406}
407
408static void rpc_connect_program_3_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
409{
410 struct rpc_cb_data *data = private_data;
411 uint32_t rpc_port;
412
413 assert(rpc->magic == RPC_CONTEXT_MAGIC);
414
415 if (status == RPC_STATUS_ERROR) {
416 data->cb(rpc, status, command_data, data->private_data);
417 free_rpc_cb_data(data);
418 return;
419 }
420 if (status == RPC_STATUS_CANCEL) {
421 data->cb(rpc, status, "Command was cancelled", data->private_data);
422 free_rpc_cb_data(data);
423 return;
424 }
425
426 rpc_port = *(uint32_t *)command_data;
427 if (rpc_port == 0) {
428 rpc_set_error(rpc, "RPC error. Program is not available on %s", data->server);
429 data->cb(rpc, RPC_STATUS_ERROR, rpc_get_error(rpc), data->private_data);
430 free_rpc_cb_data(data);
431 return;
432 }
433
434 rpc_disconnect(rpc, "normal disconnect");
435 if (rpc_connect_async(rpc, data->server, rpc_port, rpc_connect_program_4_cb, data) != 0) {
436 data->cb(rpc, status, command_data, data->private_data);
437 free_rpc_cb_data(data);
438 return;
439 }
440}
441
442static void rpc_connect_program_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
443{
444 struct rpc_cb_data *data = private_data;
445
446 assert(rpc->magic == RPC_CONTEXT_MAGIC);
447
448 if (status == RPC_STATUS_ERROR) {
449 data->cb(rpc, status, command_data, data->private_data);
450 free_rpc_cb_data(data);
451 return;
452 }
453 if (status == RPC_STATUS_CANCEL) {
454 data->cb(rpc, status, "Command was cancelled", data->private_data);
455 free_rpc_cb_data(data);
456 return;
457 }
458
459 if (rpc_pmap_getport_async(rpc, data->program, data->version, IPPROTO_TCP, rpc_connect_program_3_cb, private_data) != 0) {
460 data->cb(rpc, status, command_data, data->private_data);
461 free_rpc_cb_data(data);
462 return;
463 }
464}
465
466static void rpc_connect_program_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
467{
468 struct rpc_cb_data *data = private_data;
469
470 assert(rpc->magic == RPC_CONTEXT_MAGIC);
471
472 /* Dont want any more callbacks even if the socket is closed */
473 rpc->connect_cb = NULL;
474
475 if (status == RPC_STATUS_ERROR) {
476 data->cb(rpc, status, command_data, data->private_data);
477 free_rpc_cb_data(data);
478 return;
479 }
480 if (status == RPC_STATUS_CANCEL) {
481 data->cb(rpc, status, "Command was cancelled", data->private_data);
482 free_rpc_cb_data(data);
483 return;
484 }
485
486 if (rpc_pmap_null_async(rpc, rpc_connect_program_2_cb, data) != 0) {
487 data->cb(rpc, status, command_data, data->private_data);
488 free_rpc_cb_data(data);
489 return;
490 }
491}
492
493int rpc_connect_program_async(struct rpc_context *rpc, char *server, int program, int version, rpc_cb cb, void *private_data)
494{
495 struct rpc_cb_data *data;
496
497 data = malloc(sizeof(struct rpc_cb_data));
498 if (data == NULL) {
499 return -1;
500 }
501 memset(data, 0, sizeof(struct rpc_cb_data));
502 data->server = strdup(server);
503 data->program = program;
504 data->version = version;
505
506 data->cb = cb;
507 data->private_data = private_data;
508
509 if (rpc_connect_async(rpc, server, 111, rpc_connect_program_1_cb, data) != 0) {
510 rpc_set_error(rpc, "Failed to start connection");
511 free_rpc_cb_data(data);
512 return -1;
513 }
514 return 0;
515}
516
84004dbf
RS		 517void free_nfs_cb_data(struct nfs_cb_data *data)
518{
519 if (data->saved_path != NULL) {
520 free(data->saved_path);
521 data->saved_path = NULL;
522 }
523
524 if (data->continue_data != NULL) {
525 data->free_continue_data(data->continue_data);
526 data->continue_data = NULL;
527 }
528
529 if (data->fh.data.data_val != NULL) {
530 free(data->fh.data.data_val);
531 data->fh.data.data_val = NULL;
532 }
533
921f877b
RS		 534 if (data->buffer != NULL) {
535 free(data->buffer);
536 data->buffer = NULL;
537 }
538
84004dbf
RS		 539 free(data);
540}
541
542
543
544
545
f3a75078 546static void nfs_mount_10_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 547{
548 struct nfs_cb_data *data = private_data;
549 struct nfs_context *nfs = data->nfs;
550
f3a75078
RS		 551 assert(rpc->magic == RPC_CONTEXT_MAGIC);
552
84004dbf
RS		 553 if (status == RPC_STATUS_ERROR) {
554 data->cb(-EFAULT, nfs, command_data, data->private_data);
555 free_nfs_cb_data(data);
556 return;
557 }
558 if (status == RPC_STATUS_CANCEL) {
559 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
560 free_nfs_cb_data(data);
561 return;
562 }
563
564 data->cb(0, nfs, NULL, data->private_data);
565 free_nfs_cb_data(data);
566}
567
17ef62fa 568static void nfs_mount_9_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 569{
570 struct nfs_cb_data *data = private_data;
571 struct nfs_context *nfs = data->nfs;
17ef62fa 572 FSINFO3res *res = command_data;
463d59bf 573 struct GETATTR3args args;
84004dbf 574
f3a75078
RS		 575 assert(rpc->magic == RPC_CONTEXT_MAGIC);
576
84004dbf
RS		 577 if (status == RPC_STATUS_ERROR) {
578 data->cb(-EFAULT, nfs, command_data, data->private_data);
579 free_nfs_cb_data(data);
580 return;
581 }
582 if (status == RPC_STATUS_CANCEL) {
583 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
584 free_nfs_cb_data(data);
585 return;
586 }
587
17ef62fa
RS		 588 nfs->readmax = res->FSINFO3res_u.resok.rtmax;
589 nfs->writemax = res->FSINFO3res_u.resok.wtmax;
84004dbf 590
463d59bf
RS		 591 memset(&args, 0, sizeof(GETATTR3args));
592 args.object.data.data_len = nfs->rootfh.data.data_len;
593 args.object.data.data_val = nfs->rootfh.data.data_val;
594
595 if (rpc_nfs3_getattr_async(rpc, nfs_mount_10_cb, &args, data) != 0) {
84004dbf
RS		 596 data->cb(-ENOMEM, nfs, command_data, data->private_data);
597 free_nfs_cb_data(data);
598 return;
599 }
600}
601
17ef62fa
RS		 602static void nfs_mount_8_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
603{
604 struct nfs_cb_data *data = private_data;
605 struct nfs_context *nfs = data->nfs;
606
f3a75078
RS		 607 assert(rpc->magic == RPC_CONTEXT_MAGIC);
608
17ef62fa
RS		 609 if (status == RPC_STATUS_ERROR) {
610 data->cb(-EFAULT, nfs, command_data, data->private_data);
611 free_nfs_cb_data(data);
612 return;
613 }
614 if (status == RPC_STATUS_CANCEL) {
615 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
616 free_nfs_cb_data(data);
617 return;
618 }
619
620 if (rpc_nfs_fsinfo_async(rpc, nfs_mount_9_cb, &nfs->rootfh, data) != 0) {
621 data->cb(-ENOMEM, nfs, command_data, data->private_data);
622 free_nfs_cb_data(data);
623 return;
624 }
625}
626
627
84004dbf
RS		 628static void nfs_mount_7_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
629{
630 struct nfs_cb_data *data = private_data;
631 struct nfs_context *nfs = data->nfs;
632
f3a75078
RS		 633 assert(rpc->magic == RPC_CONTEXT_MAGIC);
634
14a062eb
RS		 635 /* Dont want any more callbacks even if the socket is closed */
636 rpc->connect_cb = NULL;
637
84004dbf
RS		 638 if (status == RPC_STATUS_ERROR) {
639 data->cb(-EFAULT, nfs, command_data, data->private_data);
640 free_nfs_cb_data(data);
641 return;
642 }
643 if (status == RPC_STATUS_CANCEL) {
644 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
645 free_nfs_cb_data(data);
646 return;
647 }
648
649 if (rpc_nfs_null_async(rpc, nfs_mount_8_cb, data) != 0) {
650 data->cb(-ENOMEM, nfs, command_data, data->private_data);
651 free_nfs_cb_data(data);
652 return;
653 }
654}
655
656
657static void nfs_mount_6_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
658{
659 struct nfs_cb_data *data = private_data;
660 struct nfs_context *nfs = data->nfs;
661 mountres3 *res;
662
f3a75078
RS		 663 assert(rpc->magic == RPC_CONTEXT_MAGIC);
664
84004dbf
RS		 665 if (status == RPC_STATUS_ERROR) {
666 data->cb(-EFAULT, nfs, command_data, data->private_data);
667 free_nfs_cb_data(data);
668 return;
669 }
670 if (status == RPC_STATUS_CANCEL) {
671 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
672 free_nfs_cb_data(data);
673 return;
674 }
675
676 res = command_data;
677 if (res->fhs_status != MNT3_OK) {
678 rpc_set_error(rpc, "RPC error: Mount failed with error %s(%d) %s(%d)", mountstat3_to_str(res->fhs_status), res->fhs_status, strerror(-mountstat3_to_errno(res->fhs_status)), -mountstat3_to_errno(res->fhs_status));
679 data->cb(mountstat3_to_errno(res->fhs_status), nfs, rpc_get_error(rpc), data->private_data);
680 free_nfs_cb_data(data);
681 return;
682 }
683
684 nfs->rootfh.data.data_len = res->mountres3_u.mountinfo.fhandle.fhandle3_len;
685 nfs->rootfh.data.data_val = malloc(nfs->rootfh.data.data_len);
686 if (nfs->rootfh.data.data_val == NULL) {
687 rpc_set_error(rpc, "Out of memory. Could not allocate memory to store root filehandle");
688 data->cb(-ENOMEM, nfs, rpc_get_error(rpc), data->private_data);
689 free_nfs_cb_data(data);
690 return;
691 }
692 memcpy(nfs->rootfh.data.data_val, res->mountres3_u.mountinfo.fhandle.fhandle3_val, nfs->rootfh.data.data_len);
693
694 rpc_disconnect(rpc, "normal disconnect");
695 if (rpc_connect_async(rpc, nfs->server, 2049, nfs_mount_7_cb, data) != 0) {
696 data->cb(-ENOMEM, nfs, command_data, data->private_data);
697 free_nfs_cb_data(data);
698 return;
699 }
1744ef90
RS		 700 /* NFS TCP connections we want to autoreconnect after sessions are torn down (due to inactivity or error) */
701 rpc_set_autoreconnect(rpc);
84004dbf
RS		 702}
703
704
705static void nfs_mount_5_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
706{
707 struct nfs_cb_data *data = private_data;
708 struct nfs_context *nfs = data->nfs;
709
f3a75078
RS		 710 assert(rpc->magic == RPC_CONTEXT_MAGIC);
711
84004dbf
RS		 712 if (status == RPC_STATUS_ERROR) {
713 data->cb(-EFAULT, nfs, command_data, data->private_data);
714 free_nfs_cb_data(data);
715 return;
716 }
717 if (status == RPC_STATUS_CANCEL) {
718 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
719 free_nfs_cb_data(data);
720 return;
721 }
722
723 if (rpc_mount_mnt_async(rpc, nfs_mount_6_cb, nfs->export, data) != 0) {
724 data->cb(-ENOMEM, nfs, command_data, data->private_data);
725 free_nfs_cb_data(data);
726 return;
727 }
728}
729
730static void nfs_mount_4_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
731{
732 struct nfs_cb_data *data = private_data;
733 struct nfs_context *nfs = data->nfs;
734
f3a75078
RS		 735 assert(rpc->magic == RPC_CONTEXT_MAGIC);
736
14a062eb
RS		 737 /* Dont want any more callbacks even if the socket is closed */
738 rpc->connect_cb = NULL;
739
84004dbf
RS		 740 if (status == RPC_STATUS_ERROR) {
741 data->cb(-EFAULT, nfs, command_data, data->private_data);
742 free_nfs_cb_data(data);
743 return;
744 }
745 if (status == RPC_STATUS_CANCEL) {
746 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
747 free_nfs_cb_data(data);
748 return;
749 }
750
751 if (rpc_mount_null_async(rpc, nfs_mount_5_cb, data) != 0) {
752 data->cb(-ENOMEM, nfs, command_data, data->private_data);
753 free_nfs_cb_data(data);
754 return;
755 }
756}
757
758static void nfs_mount_3_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
759{
760 struct nfs_cb_data *data = private_data;
761 struct nfs_context *nfs = data->nfs;
762 uint32_t mount_port;
763
f3a75078
RS		 764 assert(rpc->magic == RPC_CONTEXT_MAGIC);
765
84004dbf
RS		 766 if (status == RPC_STATUS_ERROR) {
767 data->cb(-EFAULT, nfs, command_data, data->private_data);
768 free_nfs_cb_data(data);
769 return;
770 }
771 if (status == RPC_STATUS_CANCEL) {
772 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
773 free_nfs_cb_data(data);
774 return;
775 }
776
777 mount_port = *(uint32_t *)command_data;
778 if (mount_port == 0) {
779 rpc_set_error(rpc, "RPC error. Mount program is not available on %s", nfs->server);
780 data->cb(-ENOENT, nfs, command_data, data->private_data);
781 free_nfs_cb_data(data);
782 return;
783 }
784
785 rpc_disconnect(rpc, "normal disconnect");
786 if (rpc_connect_async(rpc, nfs->server, mount_port, nfs_mount_4_cb, data) != 0) {
787 data->cb(-ENOMEM, nfs, command_data, data->private_data);
788 free_nfs_cb_data(data);
789 return;
790 }
791}
792
793
794static void nfs_mount_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
795{
796 struct nfs_cb_data *data = private_data;
797 struct nfs_context *nfs = data->nfs;
798
f3a75078
RS		 799 assert(rpc->magic == RPC_CONTEXT_MAGIC);
800
84004dbf
RS		 801 if (status == RPC_STATUS_ERROR) {
802 data->cb(-EFAULT, nfs, command_data, data->private_data);
803 free_nfs_cb_data(data);
804 return;
805 }
806 if (status == RPC_STATUS_CANCEL) {
807 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
808 free_nfs_cb_data(data);
809 return;
810 }
811
5c6b1176 812 if (rpc_pmap_getport_async(rpc, MOUNT_PROGRAM, MOUNT_V3, IPPROTO_TCP, nfs_mount_3_cb, private_data) != 0) {
84004dbf
RS		 813 data->cb(-ENOMEM, nfs, command_data, data->private_data);
814 free_nfs_cb_data(data);
815 return;
816 }
817}
818
819static void nfs_mount_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
820{
821 struct nfs_cb_data *data = private_data;
822 struct nfs_context *nfs = data->nfs;
823
f3a75078
RS		 824 assert(rpc->magic == RPC_CONTEXT_MAGIC);
825
14a062eb
RS		 826 /* Dont want any more callbacks even if the socket is closed */
827 rpc->connect_cb = NULL;
828
84004dbf
RS		 829 if (status == RPC_STATUS_ERROR) {
830 data->cb(-EFAULT, nfs, command_data, data->private_data);
831 free_nfs_cb_data(data);
832 return;
833 }
834 if (status == RPC_STATUS_CANCEL) {
835 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
836 free_nfs_cb_data(data);
837 return;
838 }
839
840 if (rpc_pmap_null_async(rpc, nfs_mount_2_cb, data) != 0) {
841 data->cb(-ENOMEM, nfs, command_data, data->private_data);
842 free_nfs_cb_data(data);
843 return;
844 }
845}
846
847/*
848 * Async call for mounting an nfs share and geting the root filehandle
849 */
850int nfs_mount_async(struct nfs_context *nfs, const char *server, const char *export, nfs_cb cb, void *private_data)
851{
852 struct nfs_cb_data *data;
b077fdeb 853 char *new_server, *new_export;
84004dbf
RS		 854
855 data = malloc(sizeof(struct nfs_cb_data));
856 if (data == NULL) {
cbbf9d3e 857 rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for nfs mount data");
84004dbf
RS		 858 return -1;
859 }
ea98629a 860 memset(data, 0, sizeof(struct nfs_cb_data));
b077fdeb
RS		 861 new_server = strdup(server);
862 new_export = strdup(export);
863 if (nfs->server != NULL) {
864 free(nfs->server);
b077fdeb
RS		 865 }
866 nfs->server = new_server;
867 if (nfs->export != NULL) {
868 free(nfs->export);
b077fdeb
RS		 869 }
870 nfs->export = new_export;
84004dbf
RS		 871 data->nfs = nfs;
872 data->cb = cb;
873 data->private_data = private_data;
874
875 if (rpc_connect_async(nfs->rpc, server, 111, nfs_mount_1_cb, data) != 0) {
cbbf9d3e 876 rpc_set_error(nfs->rpc, "Failed to start connection");
84004dbf 877 free_nfs_cb_data(data);
cbbf9d3e 878 return -1;
84004dbf
RS		 879 }
880
881 return 0;
882}
883
884
885
886/*
887 * Functions to first look up a path, component by component, and then finally call a specific function once
888 * the filehandle for the final component is found.
889 */
f3a75078 890static void nfs_lookup_path_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 891{
892 struct nfs_cb_data *data = private_data;
893 struct nfs_context *nfs = data->nfs;
894 LOOKUP3res *res;
895
f3a75078
RS		 896 assert(rpc->magic == RPC_CONTEXT_MAGIC);
897
84004dbf
RS		 898 if (status == RPC_STATUS_ERROR) {
899 data->cb(-EFAULT, nfs, command_data, data->private_data);
900 free_nfs_cb_data(data);
901 return;
902 }
903 if (status == RPC_STATUS_CANCEL) {
904 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
905 free_nfs_cb_data(data);
906 return;
907 }
908
909 res = command_data;
910 if (res->status != NFS3_OK) {
911 rpc_set_error(nfs->rpc, "NFS: Lookup of %s failed with %s(%d)", data->saved_path, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
912 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
913 free_nfs_cb_data(data);
914 return;
915 }
916
917 if (nfs_lookup_path_async_internal(nfs, data, &res->LOOKUP3res_u.resok.object) != 0) {
918 rpc_set_error(nfs->rpc, "Failed to create lookup pdu");
919 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
920 free_nfs_cb_data(data);
921 return;
922 }
923}
924
925static int nfs_lookup_path_async_internal(struct nfs_context *nfs, struct nfs_cb_data *data, struct nfs_fh3 *fh)
926{
927 char *path, *str;
463d59bf 928 LOOKUP3args args;
84004dbf
RS		 929
930 while (*data->path == '/') {
931 data->path++;
932 }
933
934 path = data->path;
93e9306f 935 str = strchr(path, '/');
84004dbf
RS		 936 if (str != NULL) {
937 *str = 0;
938 data->path = str+1;
939 } else {
940 while (*data->path != 0) {
941 data->path++;
942 }
943 }
944
945 if (*path == 0) {
946 data->fh.data.data_len = fh->data.data_len;
947 data->fh.data.data_val = malloc(data->fh.data.data_len);
948 if (data->fh.data.data_val == NULL) {
949 rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh for %s", data->path);
950 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
951 free_nfs_cb_data(data);
952 return -1;
953 }
954 memcpy(data->fh.data.data_val, fh->data.data_val, data->fh.data.data_len);
955 data->continue_cb(nfs, data);
956 return 0;
957 }
958
463d59bf
RS		 959
960 memset(&args, 0, sizeof(LOOKUP3args));
961 args.what.dir.data.data_len = fh->data.data_len;
962 args.what.dir.data.data_val = fh->data.data_val;
963 args.what.name = path;
964
965 if (rpc_nfs3_lookup_async(nfs->rpc, nfs_lookup_path_1_cb, &args, data) != 0) {
84004dbf
RS		 966 rpc_set_error(nfs->rpc, "RPC error: Failed to send lookup call for %s", data->path);
967 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
968 free_nfs_cb_data(data);
969 return -1;
970 }
971 return 0;
972}
973
974static 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)
975{
976 struct nfs_cb_data *data;
977
73f4ae7c
RS		 978 if (path[0] != 0 && path[0] != '/') {
979 rpc_set_error(nfs->rpc, "Pathname is not absolute %s", path);
84004dbf
RS		 980 return -1;
981 }
982
983 data = malloc(sizeof(struct nfs_cb_data));
984 if (data == NULL) {
985 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
cbbf9d3e 986 return -1;
84004dbf 987 }
ea98629a 988 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 989 data->nfs = nfs;
990 data->cb = cb;
991 data->continue_cb = continue_cb;
992 data->continue_data = continue_data;
993 data->free_continue_data = free_continue_data;
994 data->continue_int = continue_int;
995 data->private_data = private_data;
996 data->saved_path = strdup(path);
997 if (data->saved_path == NULL) {
998 rpc_set_error(nfs->rpc, "out of memory: failed to copy path string");
84004dbf 999 free_nfs_cb_data(data);
cbbf9d3e 1000 return -1;
84004dbf
RS		 1001 }
1002 data->path = data->saved_path;
1003
1004 if (nfs_lookup_path_async_internal(nfs, data, &nfs->rootfh) != 0) {
84004dbf
RS		 1005 /* return 0 here since the callback will be invoked if there is a failure */
1006 return 0;
1007 }
1008 return 0;
1009}
1010
1011
1012
1013
1014
1015/*
1016 * Async stat()
1017 */
f3a75078 1018static void nfs_stat_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 1019{
1020 GETATTR3res *res;
1021 struct nfs_cb_data *data = private_data;
1022 struct nfs_context *nfs = data->nfs;
1023 struct stat st;
1024
f3a75078
RS		 1025 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1026
84004dbf
RS		 1027 if (status == RPC_STATUS_ERROR) {
1028 data->cb(-EFAULT, nfs, command_data, data->private_data);
1029 free_nfs_cb_data(data);
1030 return;
1031 }
1032 if (status == RPC_STATUS_CANCEL) {
1033 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1034 free_nfs_cb_data(data);
1035 return;
1036 }
1037
1038 res = command_data;
1039 if (res->status != NFS3_OK) {
1040 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));
1041 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1042 free_nfs_cb_data(data);
1043 return;
1044 }
1045
1046 st.st_dev = -1;
1047 st.st_ino = res->GETATTR3res_u.resok.obj_attributes.fileid;
1048 st.st_mode = res->GETATTR3res_u.resok.obj_attributes.mode;
e8cab72a
RS		 1049 if (res->GETATTR3res_u.resok.obj_attributes.type == NF3DIR) {
1050 st.st_mode |= S_IFDIR ;
1051 }
d7ec001f
RS		 1052 if (res->GETATTR3res_u.resok.obj_attributes.type == NF3REG) {
1053 st.st_mode |= S_IFREG ;
1054 }
84004dbf
RS		 1055 st.st_nlink = res->GETATTR3res_u.resok.obj_attributes.nlink;
1056 st.st_uid = res->GETATTR3res_u.resok.obj_attributes.uid;
1057 st.st_gid = res->GETATTR3res_u.resok.obj_attributes.gid;
1058 st.st_rdev = 0;
1059 st.st_size = res->GETATTR3res_u.resok.obj_attributes.size;
a8a1b858 1060#ifndef WIN32
84004dbf
RS		 1061 st.st_blksize = 4096;
1062 st.st_blocks = res->GETATTR3res_u.resok.obj_attributes.size / 4096;
a8a1b858 1063#endif//WIN32
84004dbf
RS		 1064 st.st_atime = res->GETATTR3res_u.resok.obj_attributes.atime.seconds;
1065 st.st_mtime = res->GETATTR3res_u.resok.obj_attributes.mtime.seconds;
1066 st.st_ctime = res->GETATTR3res_u.resok.obj_attributes.ctime.seconds;
1067
1068 data->cb(0, nfs, &st, data->private_data);
1069 free_nfs_cb_data(data);
1070}
1071
1072static int nfs_stat_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
1073{
463d59bf
RS		 1074 struct GETATTR3args args;
1075
1076 memset(&args, 0, sizeof(GETATTR3args));
1077 args.object.data.data_len = data->fh.data.data_len;
1078 args.object.data.data_val = data->fh.data.data_val;
1079
1080 if (rpc_nfs3_getattr_async(nfs->rpc, nfs_stat_1_cb, &args, data) != 0) {
84004dbf
RS		 1081 rpc_set_error(nfs->rpc, "RPC error: Failed to send STAT GETATTR call for %s", data->path);
1082 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1083 free_nfs_cb_data(data);
1084 return -1;
1085 }
1086 return 0;
1087}
1088
1089int nfs_stat_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
1090{
1091 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_stat_continue_internal, NULL, NULL, 0) != 0) {
cbbf9d3e 1092 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 1093 return -1;
1094 }
1095
1096 return 0;
1097}
1098
1099
1100
1101
1102
1103/*
1104 * Async open()
1105 */
f3a75078 1106static void nfs_open_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 1107{
1108 ACCESS3res *res;
1109 struct nfs_cb_data *data = private_data;
1110 struct nfs_context *nfs = data->nfs;
1111 struct nfsfh *nfsfh;
1112 unsigned int nfsmode = 0;
1113
f3a75078
RS		 1114 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1115
84004dbf
RS		 1116 if (status == RPC_STATUS_ERROR) {
1117 data->cb(-EFAULT, nfs, command_data, data->private_data);
1118 free_nfs_cb_data(data);
1119 return;
1120 }
1121 if (status == RPC_STATUS_CANCEL) {
1122 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1123 free_nfs_cb_data(data);
1124 return;
1125 }
1126
1127 res = command_data;
1128 if (res->status != NFS3_OK) {
1129 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));
1130 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1131 free_nfs_cb_data(data);
1132 return;
1133 }
1134
1135 if (data->continue_int & O_WRONLY) {
1136 nfsmode |= ACCESS3_MODIFY;
1137 }
1138 if (data->continue_int & O_RDWR) {
1139 nfsmode |= ACCESS3_READ|ACCESS3_MODIFY;
1140 }
1141 if (!(data->continue_int & (O_WRONLY|O_RDWR))) {
1142 nfsmode |= ACCESS3_READ;
1143 }
1144
1145
1146 if (res->ACCESS3res_u.resok.access != nfsmode) {
1147 rpc_set_error(nfs->rpc, "NFS: ACCESS denied. Required access %c%c%c. Allowed access %c%c%c",
1148 nfsmode&ACCESS3_READ?'r':'-',
1149 nfsmode&ACCESS3_MODIFY?'w':'-',
1150 nfsmode&ACCESS3_EXECUTE?'x':'-',
1151 res->ACCESS3res_u.resok.access&ACCESS3_READ?'r':'-',
1152 res->ACCESS3res_u.resok.access&ACCESS3_MODIFY?'w':'-',
1153 res->ACCESS3res_u.resok.access&ACCESS3_EXECUTE?'x':'-');
1154 data->cb(-EACCES, nfs, rpc_get_error(nfs->rpc), data->private_data);
1155 free_nfs_cb_data(data);
1156 return;
1157 }
1158
1159 nfsfh = malloc(sizeof(struct nfsfh));
1160 if (nfsfh == NULL) {
1161 rpc_set_error(nfs->rpc, "NFS: Failed to allocate nfsfh structure");
1162 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1163 free_nfs_cb_data(data);
1164 return;
1165 }
ea98629a 1166 memset(nfsfh, 0, sizeof(struct nfsfh));
84004dbf
RS		 1167
1168 if (data->continue_int & O_SYNC) {
1169 nfsfh->is_sync = 1;
1170 }
1171
1172 /* steal the filehandle */
1173 nfsfh->fh.data.data_len = data->fh.data.data_len;
1174 nfsfh->fh.data.data_val = data->fh.data.data_val;
1175 data->fh.data.data_val = NULL;
1176
1177 data->cb(0, nfs, nfsfh, data->private_data);
1178 free_nfs_cb_data(data);
1179}
1180
1181static int nfs_open_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
1182{
1183 int nfsmode = 0;
463d59bf 1184 ACCESS3args args;
84004dbf
RS		 1185
1186 if (data->continue_int & O_WRONLY) {
1187 nfsmode |= ACCESS3_MODIFY;
1188 }
1189 if (data->continue_int & O_RDWR) {
1190 nfsmode |= ACCESS3_READ|ACCESS3_MODIFY;
1191 }
1192 if (!(data->continue_int & (O_WRONLY|O_RDWR))) {
1193 nfsmode |= ACCESS3_READ;
1194 }
1195
463d59bf
RS		 1196 memset(&args, 0, sizeof(ACCESS3args));
1197 args.object.data.data_len = data->fh.data.data_len;
1198 args.object.data.data_val = data->fh.data.data_val;
1199 args.access = nfsmode;
1200
1201 if (rpc_nfs3_access_async(nfs->rpc, nfs_open_cb, &args, data) != 0) {
84004dbf
RS		 1202 rpc_set_error(nfs->rpc, "RPC error: Failed to send OPEN ACCESS call for %s", data->path);
1203 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1204 free_nfs_cb_data(data);
1205 return -1;
1206 }
1207 return 0;
1208}
1209
1210int nfs_open_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data)
1211{
1212 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_open_continue_internal, NULL, NULL, mode) != 0) {
cbbf9d3e
RS		 1213 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
1214 return -1;
84004dbf
RS		 1215 }
1216
1217 return 0;
1218}
1219
1220
1221
1222
1223
1224/*
1225 * Async pread()
1226 */
f3a75078 1227static void nfs_pread_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 1228{
1229 struct nfs_cb_data *data = private_data;
1230 struct nfs_context *nfs = data->nfs;
1231 READ3res *res;
1232
f3a75078
RS		 1233 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1234
84004dbf
RS		 1235 if (status == RPC_STATUS_ERROR) {
1236 data->cb(-EFAULT, nfs, command_data, data->private_data);
1237 free_nfs_cb_data(data);
1238 return;
1239 }
1240 if (status == RPC_STATUS_CANCEL) {
1241 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1242 free_nfs_cb_data(data);
1243 return;
1244 }
1245
1246 res = command_data;
1247 if (res->status != NFS3_OK) {
1248 rpc_set_error(nfs->rpc, "NFS: Read failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1249 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1250 free_nfs_cb_data(data);
1251 return;
1252 }
1253
1254 data->nfsfh->offset += res->READ3res_u.resok.count;
1255 data->cb(res->READ3res_u.resok.count, nfs, res->READ3res_u.resok.data.data_val, data->private_data);
1256 free_nfs_cb_data(data);
1257}
1258
f3a75078 1259static void nfs_pread_mcb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
921f877b
RS		 1260{
1261 struct nfs_mcb_data *mdata = private_data;
1262 struct nfs_cb_data *data = mdata->data;
1263 struct nfs_context *nfs = data->nfs;
1264 READ3res *res;
1265
f3a75078
RS		 1266 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1267
921f877b
RS		 1268 data->num_calls--;
1269
1270 if (status == RPC_STATUS_ERROR) {
1271 /* flag the failure but do not invoke callback until we have received all responses */
1272 data->error = 1;
1273 }
1274 if (status == RPC_STATUS_CANCEL) {
1275 /* flag the cancellation but do not invoke callback until we have received all responses */
1276 data->cancel = 1;
1277 }
1278
1279 /* reassemble the data into the buffer */
1280 if (status == RPC_STATUS_SUCCESS) {
1281 res = command_data;
1282 if (res->status != NFS3_OK) {
1283 rpc_set_error(nfs->rpc, "NFS: Read failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1284 data->error = 1;
e4a5ba42
RS		 1285 } else {
1286 if (res->READ3res_u.resok.count > 0) {
1287 memcpy(&data->buffer[mdata->offset - data->start_offset], res->READ3res_u.resok.data.data_val, res->READ3res_u.resok.count);
1288 if ((unsigned)data->max_offset < mdata->offset + res->READ3res_u.resok.count) {
1289 data->max_offset = mdata->offset + res->READ3res_u.resok.count;
1290 }
921f877b
RS		 1291 }
1292 }
1293 }
1294
1295 if (data->num_calls > 0) {
1296 /* still waiting for more replies */
1297 free(mdata);
1298 return;
1299 }
1300
921f877b
RS		 1301 if (data->error != 0) {
1302 data->cb(-EFAULT, nfs, command_data, data->private_data);
1303 free_nfs_cb_data(data);
1304 free(mdata);
1305 return;
1306 }
1307 if (data->cancel != 0) {
1308 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1309 free_nfs_cb_data(data);
1310 free(mdata);
1311 return;
1312 }
1313
1314 data->nfsfh->offset = data->max_offset;
7ed9d87a
RS		 1315 data->cb(data->max_offset - data->start_offset, nfs, data->buffer, data->private_data);
1316
921f877b
RS		 1317 free_nfs_cb_data(data);
1318 free(mdata);
1319}
1320
183451cf 1321int nfs_pread_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t offset, uint64_t count, nfs_cb cb, void *private_data)
84004dbf
RS		 1322{
1323 struct nfs_cb_data *data;
1324
1325 data = malloc(sizeof(struct nfs_cb_data));
1326 if (data == NULL) {
1327 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 1328 return -1;
1329 }
ea98629a 1330 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 1331 data->nfs = nfs;
1332 data->cb = cb;
1333 data->private_data = private_data;
1334 data->nfsfh = nfsfh;
1335
1336 nfsfh->offset = offset;
921f877b
RS		 1337
1338 if (count <= nfs_get_readmax(nfs)) {
463d59bf
RS		 1339 READ3args args;
1340
1341 memset(&args, 0, sizeof(READ3args));
1342 args.file.data.data_len = nfsfh->fh.data.data_len;
1343 args.file.data.data_val = nfsfh->fh.data.data_val;
1344 args.offset = offset;
1345 args.count = count;
1346
1347 if (rpc_nfs3_read_async(nfs->rpc, nfs_pread_cb, &args, data) != 0) {
921f877b
RS		 1348 rpc_set_error(nfs->rpc, "RPC error: Failed to send READ call for %s", data->path);
1349 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1350 free_nfs_cb_data(data);
1351 return -1;
1352 }
1353 return 0;
1354 }
1355
1356 /* trying to read more than maximum server read size, we has to chop it up into smaller
1357 * reads and collect into a reassembly buffer.
cd67ec7d 1358 * we send all reads in parallel so that performance is still good.
921f877b 1359 */
7ed9d87a 1360 data->max_offset = offset;
921f877b
RS		 1361 data->start_offset = offset;
1362
1363 data->buffer = malloc(count);
1364 if (data->buffer == NULL) {
1365 rpc_set_error(nfs->rpc, "Out-Of-Memory: Failed to allocate reassembly buffer for %d bytes", (int)count);
84004dbf
RS		 1366 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1367 free_nfs_cb_data(data);
1368 return -1;
1369 }
921f877b
RS		 1370
1371 while (count > 0) {
183451cf 1372 uint64_t readcount = count;
921f877b 1373 struct nfs_mcb_data *mdata;
463d59bf 1374 READ3args args;
921f877b
RS		 1375
1376 if (readcount > nfs_get_readmax(nfs)) {
1377 readcount = nfs_get_readmax(nfs);
1378 }
1379
1380 mdata = malloc(sizeof(struct nfs_mcb_data));
1381 if (mdata == NULL) {
1382 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_mcb_data structure");
921f877b
RS		 1383 return -1;
1384 }
ea98629a 1385 memset(mdata, 0, sizeof(struct nfs_mcb_data));
921f877b
RS		 1386 mdata->data = data;
1387 mdata->offset = offset;
1388 mdata->count = readcount;
463d59bf
RS		 1389
1390 memset(&args, 0, sizeof(READ3args));
1391 args.file.data.data_len = nfsfh->fh.data.data_len;
1392 args.file.data.data_val = nfsfh->fh.data.data_val;
1393 args.offset = offset;
1394 args.count = readcount;
1395
1396 if (rpc_nfs3_read_async(nfs->rpc, nfs_pread_mcb, &args, mdata) != 0) {
921f877b
RS		 1397 rpc_set_error(nfs->rpc, "RPC error: Failed to send READ call for %s", data->path);
1398 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1399 free(mdata);
1400 return -1;
1401 }
1402
1403 count -= readcount;
1404 offset += readcount;
1405 data->num_calls++;
1406 }
1407
1408 return 0;
84004dbf
RS		 1409}
1410
1411/*
1412 * Async read()
1413 */
183451cf 1414int nfs_read_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t count, nfs_cb cb, void *private_data)
84004dbf
RS		 1415{
1416 return nfs_pread_async(nfs, nfsfh, nfsfh->offset, count, cb, private_data);
1417}
1418
1419
1420
1421/*
1422 * Async pwrite()
1423 */
f3a75078 1424static void nfs_pwrite_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 1425{
1426 struct nfs_cb_data *data = private_data;
1427 struct nfs_context *nfs = data->nfs;
1428 WRITE3res *res;
1429
f3a75078
RS		 1430 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1431
84004dbf
RS		 1432 if (status == RPC_STATUS_ERROR) {
1433 data->cb(-EFAULT, nfs, command_data, data->private_data);
1434 free_nfs_cb_data(data);
1435 return;
1436 }
1437 if (status == RPC_STATUS_CANCEL) {
1438 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1439 free_nfs_cb_data(data);
1440 return;
1441 }
1442
1443 res = command_data;
1444 if (res->status != NFS3_OK) {
1445 rpc_set_error(nfs->rpc, "NFS: Write failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1446 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1447 free_nfs_cb_data(data);
1448 return;
1449 }
1450
1451 data->nfsfh->offset += res->WRITE3res_u.resok.count;
1452 data->cb(res->WRITE3res_u.resok.count, nfs, NULL, data->private_data);
1453 free_nfs_cb_data(data);
1454}
1455
f3a75078 1456static void nfs_pwrite_mcb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
18c27b73
RS		 1457{
1458 struct nfs_mcb_data *mdata = private_data;
1459 struct nfs_cb_data *data = mdata->data;
1460 struct nfs_context *nfs = data->nfs;
1461 WRITE3res *res;
1462
f3a75078
RS		 1463 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1464
18c27b73
RS		 1465 data->num_calls--;
1466
1467 if (status == RPC_STATUS_ERROR) {
1468 /* flag the failure but do not invoke callback until we have received all responses */
1469 data->error = 1;
1470 }
1471 if (status == RPC_STATUS_CANCEL) {
1472 /* flag the cancellation but do not invoke callback until we have received all responses */
1473 data->cancel = 1;
1474 }
1475
1476 if (status == RPC_STATUS_SUCCESS) {
1477 res = command_data;
1478 if (res->status != NFS3_OK) {
1479 rpc_set_error(nfs->rpc, "NFS: Write failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1480 data->error = 1;
1481 } else {
1482 if (res->WRITE3res_u.resok.count > 0) {
1483 if ((unsigned)data->max_offset < mdata->offset + res->WRITE3res_u.resok.count) {
1484 data->max_offset = mdata->offset + res->WRITE3res_u.resok.count;
1485 }
1486 }
1487 }
1488 }
1489
1490 if (data->num_calls > 0) {
1491 /* still waiting for more replies */
1492 free(mdata);
1493 return;
1494 }
1495
1496 if (data->error != 0) {
1497 data->cb(-EFAULT, nfs, command_data, data->private_data);
1498 free_nfs_cb_data(data);
1499 free(mdata);
1500 return;
1501 }
1502 if (data->cancel != 0) {
1503 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1504 free_nfs_cb_data(data);
1505 free(mdata);
1506 return;
1507 }
1508
1509 data->nfsfh->offset = data->max_offset;
1510 data->cb(data->max_offset - data->start_offset, nfs, NULL, data->private_data);
1511
1512 free_nfs_cb_data(data);
1513 free(mdata);
1514}
1515
1516
183451cf 1517int 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		 1518{
1519 struct nfs_cb_data *data;
1520
1521 data = malloc(sizeof(struct nfs_cb_data));
1522 if (data == NULL) {
1523 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 1524 return -1;
1525 }
ea98629a 1526 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 1527 data->nfs = nfs;
1528 data->cb = cb;
1529 data->private_data = private_data;
1530 data->nfsfh = nfsfh;
1531
1532 nfsfh->offset = offset;
18c27b73
RS		 1533
1534 if (count <= nfs_get_writemax(nfs)) {
463d59bf
RS		 1535 WRITE3args args;
1536
1537 memset(&args, 0, sizeof(WRITE3args));
1538 args.file.data.data_len = nfsfh->fh.data.data_len;
1539 args.file.data.data_val = nfsfh->fh.data.data_val;
1540 args.offset = offset;
1541 args.count = count;
1542 args.stable = nfsfh->is_sync?FILE_SYNC:UNSTABLE;
1543 args.data.data_len = count;
1544 args.data.data_val = buf;
1545
1546 if (rpc_nfs3_write_async(nfs->rpc, nfs_pwrite_cb, &args, data) != 0) {
18c27b73
RS		 1547 rpc_set_error(nfs->rpc, "RPC error: Failed to send WRITE call for %s", data->path);
1548 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1549 free_nfs_cb_data(data);
1550 return -1;
1551 }
1552 return 0;
84004dbf 1553 }
18c27b73
RS		 1554
1555 /* trying to write more than maximum server write size, we has to chop it up into smaller
1556 * chunks.
cd67ec7d 1557 * we send all writes in parallel so that performance is still good.
18c27b73
RS		 1558 */
1559 data->max_offset = offset;
1560 data->start_offset = offset;
1561
1562 while (count > 0) {
183451cf 1563 uint64_t writecount = count;
18c27b73 1564 struct nfs_mcb_data *mdata;
463d59bf 1565 WRITE3args args;
18c27b73
RS		 1566
1567 if (writecount > nfs_get_writemax(nfs)) {
1568 writecount = nfs_get_writemax(nfs);
1569 }
1570
1571 mdata = malloc(sizeof(struct nfs_mcb_data));
1572 if (mdata == NULL) {
1573 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_mcb_data structure");
1574 return -1;
1575 }
1576 memset(mdata, 0, sizeof(struct nfs_mcb_data));
1577 mdata->data = data;
1578 mdata->offset = offset;
1579 mdata->count = writecount;
1580
463d59bf
RS		 1581 memset(&args, 0, sizeof(WRITE3args));
1582 args.file.data.data_len = nfsfh->fh.data.data_len;
1583 args.file.data.data_val = nfsfh->fh.data.data_val;
1584 args.offset = offset;
1585 args.count = writecount;
1586 args.stable = nfsfh->is_sync?FILE_SYNC:UNSTABLE;
1587 args.data.data_len = writecount;
1588 args.data.data_val = &buf[offset - data->start_offset];
1589
1590 if (rpc_nfs3_write_async(nfs->rpc, nfs_pwrite_mcb, &args, mdata) != 0) {
18c27b73
RS		 1591 rpc_set_error(nfs->rpc, "RPC error: Failed to send WRITE call for %s", data->path);
1592 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1593 free(mdata);
1594 return -1;
1595 }
1596
1597 count -= writecount;
1598 offset += writecount;
1599 data->num_calls++;
1600 }
1601
84004dbf
RS		 1602 return 0;
1603}
1604
1605/*
1606 * Async write()
1607 */
183451cf 1608int nfs_write_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t count, char *buf, nfs_cb cb, void *private_data)
84004dbf
RS		 1609{
1610 return nfs_pwrite_async(nfs, nfsfh, nfsfh->offset, count, buf, cb, private_data);
1611}
1612
1613
1614
1615
1616/*
1617 * close
1618 */
1619
1620int nfs_close_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data)
1621{
1622 if (nfsfh->fh.data.data_val != NULL){
1623 free(nfsfh->fh.data.data_val);
1624 nfsfh->fh.data.data_val = NULL;
1625 }
1626 free(nfsfh);
1627
1628 cb(0, nfs, NULL, private_data);
1629 return 0;
1630};
1631
1632
1633
1634
1635
1636/*
1637 * Async fstat()
1638 */
1639int nfs_fstat_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data)
1640{
1641 struct nfs_cb_data *data;
463d59bf 1642 struct GETATTR3args args;
84004dbf
RS		 1643
1644 data = malloc(sizeof(struct nfs_cb_data));
1645 if (data == NULL) {
1646 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 1647 return -1;
1648 }
ea98629a 1649 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 1650 data->nfs = nfs;
1651 data->cb = cb;
1652 data->private_data = private_data;
1653
463d59bf
RS		 1654 memset(&args, 0, sizeof(GETATTR3args));
1655 args.object.data.data_len = nfsfh->fh.data.data_len;
1656 args.object.data.data_val = nfsfh->fh.data.data_val;
1657
1658 if (rpc_nfs3_getattr_async(nfs->rpc, nfs_stat_1_cb, &args, data) != 0) {
84004dbf
RS		 1659 rpc_set_error(nfs->rpc, "RPC error: Failed to send STAT GETATTR call for %s", data->path);
1660 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1661 free_nfs_cb_data(data);
1662 return -1;
1663 }
1664 return 0;
1665}
1666
1667
1668
1669/*
1670 * Async fsync()
1671 */
f3a75078 1672static void nfs_fsync_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 1673{
1674 struct nfs_cb_data *data = private_data;
1675 struct nfs_context *nfs = data->nfs;
1676 COMMIT3res *res;
1677
f3a75078
RS		 1678 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1679
84004dbf
RS		 1680 if (status == RPC_STATUS_ERROR) {
1681 data->cb(-EFAULT, nfs, command_data, data->private_data);
1682 free_nfs_cb_data(data);
1683 return;
1684 }
1685 if (status == RPC_STATUS_CANCEL) {
1686 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1687 free_nfs_cb_data(data);
1688 return;
1689 }
1690
1691 res = command_data;
1692 if (res->status != NFS3_OK) {
1693 rpc_set_error(nfs->rpc, "NFS: Commit failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1694 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1695 free_nfs_cb_data(data);
1696 return;
1697 }
1698
1699 data->cb(0, nfs, NULL, data->private_data);
1700 free_nfs_cb_data(data);
1701}
1702
1703int nfs_fsync_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data)
1704{
1705 struct nfs_cb_data *data;
1706
1707 data = malloc(sizeof(struct nfs_cb_data));
1708 if (data == NULL) {
1709 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 1710 return -1;
1711 }
ea98629a 1712 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 1713 data->nfs = nfs;
1714 data->cb = cb;
1715 data->private_data = private_data;
1716
1717 if (rpc_nfs_commit_async(nfs->rpc, nfs_fsync_cb, &nfsfh->fh, data) != 0) {
1718 rpc_set_error(nfs->rpc, "RPC error: Failed to send COMMIT call for %s", data->path);
1719 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1720 free_nfs_cb_data(data);
1721 return -1;
1722 }
1723 return 0;
1724}
1725
1726
1727
1728
1729/*
1730 * Async ftruncate()
1731 */
f3a75078 1732static void nfs_ftruncate_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 1733{
1734 struct nfs_cb_data *data = private_data;
1735 struct nfs_context *nfs = data->nfs;
1736 SETATTR3res *res;
1737
f3a75078
RS		 1738 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1739
84004dbf
RS		 1740 if (status == RPC_STATUS_ERROR) {
1741 data->cb(-EFAULT, nfs, command_data, data->private_data);
1742 free_nfs_cb_data(data);
1743 return;
1744 }
1745 if (status == RPC_STATUS_CANCEL) {
1746 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1747 free_nfs_cb_data(data);
1748 return;
1749 }
1750
1751 res = command_data;
1752 if (res->status != NFS3_OK) {
1753 rpc_set_error(nfs->rpc, "NFS: Setattr failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1754 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1755 free_nfs_cb_data(data);
1756 return;
1757 }
1758
1759 data->cb(0, nfs, NULL, data->private_data);
1760 free_nfs_cb_data(data);
1761}
1762
183451cf 1763int nfs_ftruncate_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t length, nfs_cb cb, void *private_data)
84004dbf
RS		 1764{
1765 struct nfs_cb_data *data;
1766 SETATTR3args args;
1767
1768 data = malloc(sizeof(struct nfs_cb_data));
1769 if (data == NULL) {
1770 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 1771 return -1;
1772 }
ea98629a 1773 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 1774 data->nfs = nfs;
1775 data->cb = cb;
1776 data->private_data = private_data;
1777
ea98629a 1778 memset(&args, 0, sizeof(SETATTR3args));
84004dbf
RS		 1779 args.object.data.data_len = nfsfh->fh.data.data_len;
1780 args.object.data.data_val = nfsfh->fh.data.data_val;
1781 args.new_attributes.size.set_it = 1;
1782 args.new_attributes.size.set_size3_u.size = length;
1783
1784 if (rpc_nfs_setattr_async(nfs->rpc, nfs_ftruncate_cb, &args, data) != 0) {
1785 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
1786 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1787 free_nfs_cb_data(data);
1788 return -1;
1789 }
1790 return 0;
1791}
1792
1793
1794/*
1795 * Async truncate()
1796 */
1797static int nfs_truncate_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
1798{
183451cf 1799 uint64_t offset = data->continue_int;
84004dbf
RS		 1800 struct nfsfh nfsfh;
1801
1802 nfsfh.fh.data.data_val = data->fh.data.data_val;
1803 nfsfh.fh.data.data_len = data->fh.data.data_len;
1804
1805 if (nfs_ftruncate_async(nfs, &nfsfh, offset, data->cb, data->private_data) != 0) {
1806 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
1807 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1808 free_nfs_cb_data(data);
1809 return -1;
1810 }
1811 free_nfs_cb_data(data);
1812 return 0;
1813}
1814
183451cf 1815int nfs_truncate_async(struct nfs_context *nfs, const char *path, uint64_t length, nfs_cb cb, void *private_data)
84004dbf 1816{
183451cf 1817 uint64_t offset;
84004dbf
RS		 1818
1819 offset = length;
1820
1821 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_truncate_continue_internal, NULL, NULL, offset) != 0) {
cbbf9d3e
RS		 1822 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
1823 return -1;
84004dbf
RS		 1824 }
1825
1826 return 0;
1827}
1828
1829
1830
1831
1832/*
1833 * Async mkdir()
1834 */
f3a75078 1835static void nfs_mkdir_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 1836{
1837 MKDIR3res *res;
1838 struct nfs_cb_data *data = private_data;
1839 struct nfs_context *nfs = data->nfs;
1840 char *str = data->continue_data;
1841
f3a75078
RS		 1842 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1843
84004dbf
RS		 1844 str = &str[strlen(str) + 1];
1845
1846 if (status == RPC_STATUS_ERROR) {
1847 data->cb(-EFAULT, nfs, command_data, data->private_data);
1848 free_nfs_cb_data(data);
1849 return;
1850 }
1851 if (status == RPC_STATUS_CANCEL) {
1852 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1853 free_nfs_cb_data(data);
1854 return;
1855 }
1856
1857 res = command_data;
1858 if (res->status != NFS3_OK) {
1859 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));
1860 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1861 free_nfs_cb_data(data);
1862 return;
1863 }
1864
1865 data->cb(0, nfs, NULL, data->private_data);
1866 free_nfs_cb_data(data);
1867}
1868
1869static int nfs_mkdir_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
1870{
1871 char *str = data->continue_data;
7edc9026
RS		 1872 MKDIR3args args;
1873
84004dbf
RS		 1874 str = &str[strlen(str) + 1];
1875
7edc9026
RS		 1876 memset(&args, 0, sizeof(MKDIR3args));
1877 args.where.dir.data.data_len = data->fh.data.data_len;
1878 args.where.dir.data.data_val = data->fh.data.data_val;
1879 args.where.name = str;
1880 args.attributes.mode.set_it = 1;
1881 args.attributes.mode.set_mode3_u.mode = 0755;
1882
1883 if (rpc_nfs_mkdir_async(nfs->rpc, nfs_mkdir_cb, &args, data) != 0) {
84004dbf
RS		 1884 rpc_set_error(nfs->rpc, "RPC error: Failed to send MKDIR call for %s", data->path);
1885 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1886 free_nfs_cb_data(data);
1887 return -1;
1888 }
1889 return 0;
1890}
1891
1892int nfs_mkdir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
1893{
1894 char *new_path;
1895 char *ptr;
1896
1897 new_path = strdup(path);
1898 if (new_path == NULL) {
cbbf9d3e 1899 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
84004dbf
RS		 1900 return -1;
1901 }
1902
93e9306f 1903 ptr = strrchr(new_path, '/');
84004dbf 1904 if (ptr == NULL) {
cbbf9d3e
RS		 1905 rpc_set_error(nfs->rpc, "Invalid path %s", path);
1906 return -1;
84004dbf
RS		 1907 }
1908 *ptr = 0;
1909
1910 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
1911 if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_mkdir_continue_internal, new_path, free, 0) != 0) {
cbbf9d3e
RS		 1912 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path component");
1913 return -1;
84004dbf
RS		 1914 }
1915
1916 return 0;
1917}
1918
1919
1920
1921
1922
1923/*
1924 * Async rmdir()
1925 */
f3a75078 1926static void nfs_rmdir_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 1927{
1928 RMDIR3res *res;
1929 struct nfs_cb_data *data = private_data;
1930 struct nfs_context *nfs = data->nfs;
1931 char *str = data->continue_data;
1932
f3a75078
RS		 1933 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1934
84004dbf
RS		 1935 str = &str[strlen(str) + 1];
1936
1937 if (status == RPC_STATUS_ERROR) {
1938 data->cb(-EFAULT, nfs, command_data, data->private_data);
1939 free_nfs_cb_data(data);
1940 return;
1941 }
1942 if (status == RPC_STATUS_CANCEL) {
1943 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1944 free_nfs_cb_data(data);
1945 return;
1946 }
1947
1948 res = command_data;
1949 if (res->status != NFS3_OK) {
1950 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));
1951 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1952 free_nfs_cb_data(data);
1953 return;
1954 }
1955
1956 data->cb(0, nfs, NULL, data->private_data);
1957 free_nfs_cb_data(data);
1958}
1959
1960static int nfs_rmdir_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
1961{
1962 char *str = data->continue_data;
1963
1964 str = &str[strlen(str) + 1];
1965
1966 if (rpc_nfs_rmdir_async(nfs->rpc, nfs_rmdir_cb, &data->fh, str, data) != 0) {
1967 rpc_set_error(nfs->rpc, "RPC error: Failed to send RMDIR call for %s", data->path);
1968 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1969 free_nfs_cb_data(data);
1970 return -1;
1971 }
1972 return 0;
1973}
1974
1975int nfs_rmdir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
1976{
1977 char *new_path;
1978 char *ptr;
1979
1980 new_path = strdup(path);
1981 if (new_path == NULL) {
cbbf9d3e 1982 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
84004dbf
RS		 1983 return -1;
1984 }
1985
93e9306f 1986 ptr = strrchr(new_path, '/');
84004dbf 1987 if (ptr == NULL) {
cbbf9d3e
RS		 1988 rpc_set_error(nfs->rpc, "Invalid path %s", path);
1989 return -1;
84004dbf
RS		 1990 }
1991 *ptr = 0;
1992
1993 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
1994 if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_rmdir_continue_internal, new_path, free, 0) != 0) {
cbbf9d3e
RS		 1995 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
1996 return -1;
84004dbf
RS		 1997 }
1998
1999 return 0;
2000}
2001
2002
2003
2004
2005/*
2006 * Async creat()
2007 */
f3a75078 2008static void nfs_create_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 2009{
2010 LOOKUP3res *res;
2011 struct nfs_cb_data *data = private_data;
2012 struct nfs_context *nfs = data->nfs;
2013 struct nfsfh *nfsfh;
2014 char *str = data->continue_data;
2015
f3a75078
RS		 2016 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2017
84004dbf
RS		 2018 if (status == RPC_STATUS_ERROR) {
2019 data->cb(-EFAULT, nfs, command_data, data->private_data);
2020 free_nfs_cb_data(data);
2021 return;
2022 }
2023 if (status == RPC_STATUS_CANCEL) {
2024 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2025 free_nfs_cb_data(data);
2026 return;
2027 }
2028
2029 str = &str[strlen(str) + 1];
2030 res = command_data;
2031 if (res->status != NFS3_OK) {
2032 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));
2033 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2034
2035 return;
2036 }
2037
2038 nfsfh = malloc(sizeof(struct nfsfh));
2039 if (nfsfh == NULL) {
2040 rpc_set_error(nfs->rpc, "NFS: Failed to allocate nfsfh structure");
2041 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2042 free_nfs_cb_data(data);
2043 return;
2044 }
ea98629a 2045 memset(nfsfh, 0, sizeof(struct nfsfh));
84004dbf 2046
0c1a9d7a
RS		 2047 /* copy the filehandle */
2048 nfsfh->fh.data.data_len = res->LOOKUP3res_u.resok.object.data.data_len;
2049 nfsfh->fh.data.data_val = malloc(nfsfh->fh.data.data_len);
2050 memcpy(nfsfh->fh.data.data_val, res->LOOKUP3res_u.resok.object.data.data_val, nfsfh->fh.data.data_len);
84004dbf
RS		 2051
2052 data->cb(0, nfs, nfsfh, data->private_data);
2053 free_nfs_cb_data(data);
2054}
2055
2056
2057
f3a75078 2058static void nfs_creat_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 2059{
2060 CREATE3res *res;
2061 struct nfs_cb_data *data = private_data;
2062 struct nfs_context *nfs = data->nfs;
2063 char *str = data->continue_data;
463d59bf 2064 LOOKUP3args args;
84004dbf 2065
f3a75078
RS		 2066 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2067
84004dbf
RS		 2068 if (status == RPC_STATUS_ERROR) {
2069 data->cb(-EFAULT, nfs, command_data, data->private_data);
2070 free_nfs_cb_data(data);
2071 return;
2072 }
2073 if (status == RPC_STATUS_CANCEL) {
2074 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2075 free_nfs_cb_data(data);
2076 return;
2077 }
2078
2079 str = &str[strlen(str) + 1];
2080 res = command_data;
2081 if (res->status != NFS3_OK) {
2082 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));
2083 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
fadbf8cf 2084 free_nfs_cb_data(data);
84004dbf
RS		 2085 return;
2086 }
2087
463d59bf
RS		 2088 memset(&args, 0, sizeof(LOOKUP3args));
2089 args.what.dir.data.data_len = data->fh.data.data_len;
2090 args.what.dir.data.data_val = data->fh.data.data_val;
2091 args.what.name = str;
2092
2093 if (rpc_nfs3_lookup_async(nfs->rpc, nfs_create_2_cb, &args, data) != 0) {
84004dbf
RS		 2094 rpc_set_error(nfs->rpc, "RPC error: Failed to send lookup call for %s/%s", data->saved_path, str);
2095 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2096 free_nfs_cb_data(data);
2097 return;
2098 }
2099 return;
2100}
2101
2102static int nfs_creat_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2103{
2104 char *str = data->continue_data;
c985c015
RS		 2105 CREATE3args args;
2106
84004dbf
RS		 2107 str = &str[strlen(str) + 1];
2108
c985c015
RS		 2109 memset(&args, 0, sizeof(CREATE3args));
2110 args.where.dir.data.data_len = data->fh.data.data_len;
2111 args.where.dir.data.data_val = data->fh.data.data_val;
2112 args.where.name = str;
2113 args.how.mode = UNCHECKED;
2114 args.how.createhow3_u.obj_attributes.mode.set_it = 1;
2115 args.how.createhow3_u.obj_attributes.mode.set_mode3_u.mode = data->continue_int;
2116
2117 if (rpc_nfs_create_async(nfs->rpc, nfs_creat_1_cb, &args, data) != 0) {
84004dbf
RS		 2118 rpc_set_error(nfs->rpc, "RPC error: Failed to send CREATE call for %s/%s", data->path, str);
2119 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2120 free_nfs_cb_data(data);
2121 return -1;
2122 }
2123 return 0;
2124}
2125
2126int nfs_creat_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data)
2127{
2128 char *new_path;
2129 char *ptr;
2130
2131 new_path = strdup(path);
2132 if (new_path == NULL) {
cbbf9d3e 2133 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
84004dbf
RS		 2134 return -1;
2135 }
2136
93e9306f 2137 ptr = strrchr(new_path, '/');
84004dbf 2138 if (ptr == NULL) {
cbbf9d3e
RS		 2139 rpc_set_error(nfs->rpc, "Invalid path %s", path);
2140 return -1;
84004dbf
RS		 2141 }
2142 *ptr = 0;
2143
73f4ae7c 2144 /* new_path now points to the parent directory, and beyond the nul terminator is the new directory to create */
84004dbf 2145 if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_creat_continue_internal, new_path, free, mode) != 0) {
cbbf9d3e
RS		 2146 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
2147 return -1;
84004dbf
RS		 2148 }
2149
2150 return 0;
2151}
2152
2153
2154
2155
2156/*
2157 * Async unlink()
2158 */
f3a75078 2159static void nfs_unlink_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 2160{
2161 REMOVE3res *res;
2162 struct nfs_cb_data *data = private_data;
2163 struct nfs_context *nfs = data->nfs;
2164 char *str = data->continue_data;
2165
f3a75078
RS		 2166 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2167
84004dbf
RS		 2168 str = &str[strlen(str) + 1];
2169
2170 if (status == RPC_STATUS_ERROR) {
2171 data->cb(-EFAULT, nfs, command_data, data->private_data);
2172 free_nfs_cb_data(data);
2173 return;
2174 }
2175 if (status == RPC_STATUS_CANCEL) {
2176 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2177 free_nfs_cb_data(data);
2178 return;
2179 }
2180
2181 res = command_data;
2182 if (res->status != NFS3_OK) {
2183 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));
2184 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2185 free_nfs_cb_data(data);
2186 return;
2187 }
2188
2189 data->cb(0, nfs, NULL, data->private_data);
2190 free_nfs_cb_data(data);
2191}
2192
2193static int nfs_unlink_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2194{
2195 char *str = data->continue_data;
2196
2197 str = &str[strlen(str) + 1];
2198
2199 if (rpc_nfs_remove_async(nfs->rpc, nfs_unlink_cb, &data->fh, str, data) != 0) {
2200 rpc_set_error(nfs->rpc, "RPC error: Failed to send REMOVE call for %s", data->path);
2201 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2202 free_nfs_cb_data(data);
2203 return -1;
2204 }
2205 return 0;
2206}
2207
2208int nfs_unlink_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
2209{
2210 char *new_path;
2211 char *ptr;
2212
2213 new_path = strdup(path);
2214 if (new_path == NULL) {
cbbf9d3e 2215 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
84004dbf
RS		 2216 return -1;
2217 }
2218
93e9306f 2219 ptr = strrchr(new_path, '/');
84004dbf 2220 if (ptr == NULL) {
cbbf9d3e
RS		 2221 rpc_set_error(nfs->rpc, "Invalid path %s", path);
2222 return -1;
84004dbf
RS		 2223 }
2224 *ptr = 0;
2225
2226 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
2227 if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_unlink_continue_internal, new_path, free, 0) != 0) {
cbbf9d3e
RS		 2228 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
2229 return -1;
84004dbf
RS		 2230 }
2231
2232 return 0;
2233}
2234
2235
1ec6b50a
RS		 2236/*
2237 * Async mknod()
2238 */
2239struct mknod_cb_data {
2240 char *path;
2241 int mode;
2242 int major;
2243 int minor;
2244};
2245
2246static void free_mknod_cb_data(void *ptr)
2247{
2248 struct mknod_cb_data *data = ptr;
2249
2250 free(data->path);
2251 free(data);
2252}
2253
f3a75078 2254static void nfs_mknod_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
1ec6b50a
RS		 2255{
2256 MKNOD3res *res;
2257 struct nfs_cb_data *data = private_data;
2258 struct nfs_context *nfs = data->nfs;
2259 char *str = data->continue_data;
2260
f3a75078
RS		 2261 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2262
1ec6b50a
RS		 2263 str = &str[strlen(str) + 1];
2264
2265 if (status == RPC_STATUS_ERROR) {
2266 data->cb(-EFAULT, nfs, command_data, data->private_data);
2267 free_nfs_cb_data(data);
2268 return;
2269 }
2270 if (status == RPC_STATUS_CANCEL) {
2271 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2272 free_nfs_cb_data(data);
2273 return;
2274 }
2275
2276 res = command_data;
2277 if (res->status != NFS3_OK) {
2278 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));
2279 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2280 free_nfs_cb_data(data);
2281 return;
2282 }
2283
2284 data->cb(0, nfs, NULL, data->private_data);
2285 free_nfs_cb_data(data);
2286}
2287
2288static int nfs_mknod_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2289{
2290 struct mknod_cb_data *cb_data = data->continue_data;
2291 char *str = cb_data->path;
2292
2293 str = &str[strlen(str) + 1];
2294
2295 if (rpc_nfs_mknod_async(nfs->rpc, nfs_mknod_cb, &data->fh, str, cb_data->mode, cb_data->major, cb_data->minor, data) != 0) {
2296 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2297 free_nfs_cb_data(data);
2298 return -1;
2299 }
2300 return 0;
2301}
2302
2303int nfs_mknod_async(struct nfs_context *nfs, const char *path, int mode, int dev, nfs_cb cb, void *private_data)
2304{
2305 char *ptr;
2306 struct mknod_cb_data *cb_data;
2307
2308 cb_data = malloc(sizeof(struct mknod_cb_data));
2309 if (cb_data == NULL) {
2310 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for cb data");
2311 return -1;
2312 }
2313
2314 cb_data->path = strdup(path);
2315 if (cb_data->path == NULL) {
2316 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
2317 free(cb_data);
2318 return -1;
2319 }
2320
2321 ptr = strrchr(cb_data->path, '/');
2322 if (ptr == NULL) {
2323 rpc_set_error(nfs->rpc, "Invalid path %s", path);
2324 return -1;
2325 }
2326 *ptr = 0;
2327
2328 cb_data->mode = mode;
2329 cb_data->major = major(dev);
2330 cb_data->minor = minor(dev);
2331
2332 /* data->path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
2333 if (nfs_lookuppath_async(nfs, cb_data->path, cb, private_data, nfs_mknod_continue_internal, cb_data, free_mknod_cb_data, 0) != 0) {
2334 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
2335 free_mknod_cb_data(cb_data);
2336 return -1;
2337 }
2338
2339 return 0;
2340}
84004dbf 2341
84004dbf
RS		 2342/*
2343 * Async opendir()
2344 */
fb69c64c
RS		 2345
2346/* ReadDirPlus Emulation Callback data */
2347struct rdpe_cb_data {
2348 int getattrcount;
2349 int status;
2350 struct nfs_cb_data *data;
2351};
2352
2353/* ReadDirPlus Emulation LOOKUP Callback data */
2354struct rdpe_lookup_cb_data {
2355 struct rdpe_cb_data *rdpe_cb_data;
2356 struct nfsdirent *nfsdirent;
2357};
2358
2359/* Workaround for servers lacking READDIRPLUS, use READDIR instead and a GETATTR-loop */
f3a75078 2360static void nfs_opendir3_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf 2361{
fb69c64c
RS		 2362 LOOKUP3res *res = command_data;
2363 struct rdpe_lookup_cb_data *rdpe_lookup_cb_data = private_data;
2364 struct rdpe_cb_data *rdpe_cb_data = rdpe_lookup_cb_data->rdpe_cb_data;
2365 struct nfs_cb_data *data = rdpe_cb_data->data;
2366 struct nfsdir *nfsdir = data->continue_data;
2367 struct nfs_context *nfs = data->nfs;
2368 struct nfsdirent *nfsdirent = rdpe_lookup_cb_data->nfsdirent;
2369
f3a75078
RS		 2370 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2371
fb69c64c
RS		 2372 free(rdpe_lookup_cb_data);
2373
2374 rdpe_cb_data->getattrcount--;
2375
2376 if (status == RPC_STATUS_ERROR) {
2377 rdpe_cb_data->status = RPC_STATUS_ERROR;
2378 }
2379 if (status == RPC_STATUS_CANCEL) {
2380 rdpe_cb_data->status = RPC_STATUS_CANCEL;
2381 }
2382 if (status == RPC_STATUS_SUCCESS && res->status != NFS3_OK) {
2383 rdpe_cb_data->status = RPC_STATUS_ERROR;
2384 }
2385 if (status == RPC_STATUS_SUCCESS && res->status == NFS3_OK) {
2386 if (res->LOOKUP3res_u.resok.obj_attributes.attributes_follow) {
2387 fattr3 *attributes = &res->LOOKUP3res_u.resok.obj_attributes.post_op_attr_u.attributes;
2388
2389 nfsdirent->type = attributes->type;
2390 nfsdirent->mode = attributes->mode;
2391 nfsdirent->size = attributes->size;
2392
2393 nfsdirent->atime.tv_sec = attributes->atime.seconds;
2394 nfsdirent->atime.tv_usec = attributes->atime.nseconds/1000;
2395 nfsdirent->mtime.tv_sec = attributes->mtime.seconds;
2396 nfsdirent->mtime.tv_usec = attributes->mtime.nseconds/1000;
2397 nfsdirent->ctime.tv_sec = attributes->ctime.seconds;
2398 nfsdirent->ctime.tv_usec = attributes->ctime.nseconds/1000;
2399 }
2400 }
2401
2402 if (rdpe_cb_data->getattrcount == 0) {
2403 if (rdpe_cb_data->status != RPC_STATUS_SUCCESS) {
2404 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2405 nfs_free_nfsdir(nfsdir);
2406 } else {
2407 data->cb(0, nfs, nfsdir, data->private_data);
2408 }
2409 free(rdpe_cb_data);
2410
2411 data->continue_data = NULL;
2412 free_nfs_cb_data(data);
2413 }
2414}
2415
f3a75078 2416static void nfs_opendir2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
fb69c64c
RS		 2417{
2418 READDIR3res *res = command_data;
84004dbf
RS		 2419 struct nfs_cb_data *data = private_data;
2420 struct nfs_context *nfs = data->nfs;
fb6510bb 2421 struct nfsdir *nfsdir = data->continue_data;
fb69c64c
RS		 2422 struct nfsdirent *nfsdirent;
2423 struct entry3 *entry;
84004dbf 2424 uint64_t cookie;
fb69c64c
RS		 2425 struct rdpe_cb_data *rdpe_cb_data;
2426
f3a75078
RS		 2427 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2428
84004dbf
RS		 2429 if (status == RPC_STATUS_ERROR) {
2430 data->cb(-EFAULT, nfs, command_data, data->private_data);
2431 nfs_free_nfsdir(nfsdir);
2432 data->continue_data = NULL;
2433 free_nfs_cb_data(data);
2434 return;
2435 }
fb69c64c 2436
84004dbf
RS		 2437 if (status == RPC_STATUS_CANCEL) {
2438 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2439 nfs_free_nfsdir(nfsdir);
2440 data->continue_data = NULL;
2441 free_nfs_cb_data(data);
2442 return;
2443 }
2444
84004dbf
RS		 2445 if (res->status != NFS3_OK) {
2446 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));
2447 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2448 nfs_free_nfsdir(nfsdir);
2449 data->continue_data = NULL;
2450 free_nfs_cb_data(data);
2451 return;
fb69c64c
RS		 2452 }
2453
2454 entry =res->READDIR3res_u.resok.reply.entries;
2455 while (entry != NULL) {
2456 nfsdirent = malloc(sizeof(struct nfsdirent));
2457 if (nfsdirent == NULL) {
2458 data->cb(-ENOMEM, nfs, "Failed to allocate dirent", data->private_data);
2459 nfs_free_nfsdir(nfsdir);
2460 data->continue_data = NULL;
2461 free_nfs_cb_data(data);
2462 return;
2463 }
2464 memset(nfsdirent, 0, sizeof(struct nfsdirent));
2465 nfsdirent->name = strdup(entry->name);
2466 if (nfsdirent->name == NULL) {
2467 data->cb(-ENOMEM, nfs, "Failed to allocate dirent->name", data->private_data);
2468 nfs_free_nfsdir(nfsdir);
2469 data->continue_data = NULL;
2470 free_nfs_cb_data(data);
2471 return;
2472 }
2473 nfsdirent->inode = entry->fileid;
2474
2475 nfsdirent->next = nfsdir->entries;
2476 nfsdir->entries = nfsdirent;
2477
2478 cookie = entry->cookie;
2479 entry = entry->nextentry;
2480 }
2481
2482 if (res->READDIR3res_u.resok.reply.eof == 0) {
2483 if (rpc_nfs_readdir_async(nfs->rpc, nfs_opendir2_cb, &data->fh, cookie, res->READDIR3res_u.resok.cookieverf, 8192, data) != 0) {
2484 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR call for %s", data->path);
2485 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2486 nfs_free_nfsdir(nfsdir);
2487 data->continue_data = NULL;
2488 free_nfs_cb_data(data);
2489 return;
2490 }
2491 return;
2492 }
2493
2494 /* steal the dirhandle */
2495 nfsdir->current = nfsdir->entries;
2496
2497 rdpe_cb_data = malloc(sizeof(struct rdpe_cb_data));
2498 rdpe_cb_data->getattrcount = 0;
2499 rdpe_cb_data->status = RPC_STATUS_SUCCESS;
2500 rdpe_cb_data->data = data;
2501 for (nfsdirent = nfsdir->entries; nfsdirent; nfsdirent = nfsdirent->next) {
2502 struct rdpe_lookup_cb_data *rdpe_lookup_cb_data;
463d59bf 2503 LOOKUP3args args;
fb69c64c
RS		 2504
2505 rdpe_lookup_cb_data = malloc(sizeof(struct rdpe_lookup_cb_data));
2506 rdpe_lookup_cb_data->rdpe_cb_data = rdpe_cb_data;
2507 rdpe_lookup_cb_data->nfsdirent = nfsdirent;
2508
463d59bf
RS		 2509 memset(&args, 0, sizeof(LOOKUP3args));
2510 args.what.dir.data.data_len = data->fh.data.data_len;
2511 args.what.dir.data.data_val = data->fh.data.data_val;
2512 args.what.name = nfsdirent->name;
2513
2514 if (rpc_nfs3_lookup_async(nfs->rpc, nfs_opendir3_cb, &args, rdpe_lookup_cb_data) != 0) {
fb69c64c
RS		 2515 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR LOOKUP call");
2516
2517 /* if we have already commands in flight, we cant just stop, we have to wait for the
2518 * commands in flight to complete
2519 */
2520 if (rdpe_cb_data->getattrcount > 0) {
2521 rdpe_cb_data->status = RPC_STATUS_ERROR;
2522 free(rdpe_lookup_cb_data);
2523 return;
2524 }
2525
2526 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2527 nfs_free_nfsdir(nfsdir);
2528 data->continue_data = NULL;
2529 free_nfs_cb_data(data);
2530 free(rdpe_lookup_cb_data);
2531 free(rdpe_cb_data);
2532 return;
2533 }
2534 rdpe_cb_data->getattrcount++;
2535 }
2536}
2537
2538
f3a75078 2539static void nfs_opendir_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
fb69c64c
RS		 2540{
2541 READDIRPLUS3res *res = command_data;
2542 struct nfs_cb_data *data = private_data;
2543 struct nfs_context *nfs = data->nfs;
2544 struct nfsdir *nfsdir = data->continue_data;
2545 struct entryplus3 *entry;
2546 uint64_t cookie;
2547
f3a75078 2548 assert(rpc->magic == RPC_CONTEXT_MAGIC);
fb69c64c
RS		 2549
2550 if (status == RPC_STATUS_ERROR || (status == RPC_STATUS_SUCCESS && res->status == NFS3ERR_NOTSUPP) ){
2551 cookieverf3 cv;
2552
2553 if (rpc_nfs_readdir_async(nfs->rpc, nfs_opendir2_cb, &data->fh, 0, (char *)&cv, 8192, data) != 0) {
2554 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR call for %s", data->path);
2555 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2556 nfs_free_nfsdir(nfsdir);
2557 data->continue_data = NULL;
2558 free_nfs_cb_data(data);
2559 return;
2560 }
2561 return;
2562 }
2563
2564 if (status == RPC_STATUS_CANCEL) {
2565 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2566 nfs_free_nfsdir(nfsdir);
2567 data->continue_data = NULL;
2568 free_nfs_cb_data(data);
2569 return;
2570 }
2571
2572 if (res->status != NFS3_OK) {
2573 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));
2574 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2575 nfs_free_nfsdir(nfsdir);
2576 data->continue_data = NULL;
2577 free_nfs_cb_data(data);
2578 return;
84004dbf
RS		 2579 }
2580
f390f181 2581 entry =res->READDIRPLUS3res_u.resok.reply.entries;
84004dbf
RS		 2582 while (entry != NULL) {
2583 struct nfsdirent *nfsdirent;
2584
2585 nfsdirent = malloc(sizeof(struct nfsdirent));
2586 if (nfsdirent == NULL) {
2587 data->cb(-ENOMEM, nfs, "Failed to allocate dirent", data->private_data);
2588 nfs_free_nfsdir(nfsdir);
2589 data->continue_data = NULL;
2590 free_nfs_cb_data(data);
2591 return;
2592 }
ea98629a 2593 memset(nfsdirent, 0, sizeof(struct nfsdirent));
84004dbf
RS		 2594 nfsdirent->name = strdup(entry->name);
2595 if (nfsdirent->name == NULL) {
2596 data->cb(-ENOMEM, nfs, "Failed to allocate dirent->name", data->private_data);
2597 nfs_free_nfsdir(nfsdir);
2598 data->continue_data = NULL;
2599 free_nfs_cb_data(data);
2600 return;
2601 }
2602 nfsdirent->inode = entry->fileid;
0804e67d
RS		 2603 if (entry->name_attributes.attributes_follow) {
2604 nfsdirent->type = entry->name_attributes.post_op_attr_u.attributes.type;
2605 nfsdirent->mode = entry->name_attributes.post_op_attr_u.attributes.mode;
2606 nfsdirent->size = entry->name_attributes.post_op_attr_u.attributes.size;
2607
2608 nfsdirent->atime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.atime.seconds;
2609 nfsdirent->atime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.atime.nseconds/1000;
2610 nfsdirent->mtime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.mtime.seconds;
2611 nfsdirent->mtime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.mtime.nseconds/1000;
2612 nfsdirent->ctime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.ctime.seconds;
2613 nfsdirent->ctime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.ctime.nseconds/1000;
2614 }
2615
84004dbf
RS		 2616 nfsdirent->next = nfsdir->entries;
2617 nfsdir->entries = nfsdirent;
2618
2619 cookie = entry->cookie;
2620 entry = entry->nextentry;
2621 }
2622
f390f181
RS		 2623 if (res->READDIRPLUS3res_u.resok.reply.eof == 0) {
2624 if (rpc_nfs_readdirplus_async(nfs->rpc, nfs_opendir_cb, &data->fh, cookie, res->READDIRPLUS3res_u.resok.cookieverf, 8192, data) != 0) {
2625 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIRPLUS call for %s", data->path);
84004dbf
RS		 2626 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2627 nfs_free_nfsdir(nfsdir);
2628 data->continue_data = NULL;
2629 free_nfs_cb_data(data);
2630 return;
2631 }
2632 return;
2633 }
2634
2635 /* steal the dirhandle */
2636 data->continue_data = NULL;
2637 nfsdir->current = nfsdir->entries;
2638
2639 data->cb(0, nfs, nfsdir, data->private_data);
2640 free_nfs_cb_data(data);
2641}
2642
2643static int nfs_opendir_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2644{
2645 cookieverf3 cv;
2646
ea98629a 2647 memset(cv, 0, sizeof(cookieverf3));
f390f181
RS		 2648 if (rpc_nfs_readdirplus_async(nfs->rpc, nfs_opendir_cb, &data->fh, 0, (char *)&cv, 8192, data) != 0) {
2649 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIRPLUS call for %s", data->path);
84004dbf
RS		 2650 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2651 free_nfs_cb_data(data);
2652 return -1;
2653 }
2654 return 0;
2655}
2656
2657int nfs_opendir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
2658{
2659 struct nfsdir *nfsdir;
2660
2661 nfsdir = malloc(sizeof(struct nfsdir));
2662 if (nfsdir == NULL) {
cbbf9d3e 2663 rpc_set_error(nfs->rpc, "failed to allocate buffer for nfsdir");
84004dbf
RS		 2664 return -1;
2665 }
ea98629a 2666 memset(nfsdir, 0, sizeof(struct nfsdir));
84004dbf
RS		 2667
2668 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_opendir_continue_internal, nfsdir, free, 0) != 0) {
cbbf9d3e
RS		 2669 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
2670 return -1;
84004dbf
RS		 2671 }
2672
2673 return 0;
2674}
2675
2676
2677struct nfsdirent *nfs_readdir(struct nfs_context *nfs _U_, struct nfsdir *nfsdir)
2678{
2679 struct nfsdirent *nfsdirent = nfsdir->current;
2680
2681 if (nfsdir->current != NULL) {
2682 nfsdir->current = nfsdir->current->next;
2683 }
2684 return nfsdirent;
2685}
2686
2687
2688void nfs_closedir(struct nfs_context *nfs _U_, struct nfsdir *nfsdir)
2689{
2690 nfs_free_nfsdir(nfsdir);
2691}
2692
2693
2694
2695
2696
2697
2698
2699/*
2700 * Async lseek()
2701 */
2702struct lseek_cb_data {
2703 struct nfs_context *nfs;
2704 struct nfsfh *nfsfh;
183451cf 2705 uint64_t offset;
84004dbf
RS		 2706 nfs_cb cb;
2707 void *private_data;
2708};
2709
f3a75078 2710static void nfs_lseek_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 2711{
2712 GETATTR3res *res;
2713 struct lseek_cb_data *data = private_data;
2714 struct nfs_context *nfs = data->nfs;
2715
f3a75078
RS		 2716 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2717
84004dbf
RS		 2718 if (status == RPC_STATUS_ERROR) {
2719 data->cb(-EFAULT, nfs, command_data, data->private_data);
2720 free(data);
2721 return;
2722 }
2723 if (status == RPC_STATUS_CANCEL) {
2724 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2725 free(data);
2726 return;
2727 }
2728
2729 res = command_data;
2730 if (res->status != NFS3_OK) {
2731 rpc_set_error(nfs->rpc, "NFS: GETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
2732 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2733 free(data);
2734 return;
2735 }
2736
2737 data->nfsfh->offset = data->offset + res->GETATTR3res_u.resok.obj_attributes.size;
2738 data->cb(0, nfs, &data->nfsfh->offset, data->private_data);
2739 free(data);
2740}
2741
183451cf 2742int nfs_lseek_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t offset, int whence, nfs_cb cb, void *private_data)
84004dbf
RS		 2743{
2744 struct lseek_cb_data *data;
463d59bf 2745 struct GETATTR3args args;
84004dbf
RS		 2746
2747 if (whence == SEEK_SET) {
2748 nfsfh->offset = offset;
2749 cb(0, nfs, &nfsfh->offset, private_data);
2750 return 0;
2751 }
2752 if (whence == SEEK_CUR) {
2753 nfsfh->offset += offset;
2754 cb(0, nfs, &nfsfh->offset, private_data);
2755 return 0;
2756 }
2757
2758 data = malloc(sizeof(struct lseek_cb_data));
2759 if (data == NULL) {
2760 rpc_set_error(nfs->rpc, "Out Of Memory: Failed to malloc lseek cb data");
2761 return -1;
2762 }
2763
2764 data->nfs = nfs;
2765 data->nfsfh = nfsfh;
2766 data->offset = offset;
2767 data->cb = cb;
2768 data->private_data = private_data;
2769
463d59bf
RS		 2770 memset(&args, 0, sizeof(GETATTR3args));
2771 args.object.data.data_len = nfsfh->fh.data.data_len;
2772 args.object.data.data_val = nfsfh->fh.data.data_val;
2773
2774 if (rpc_nfs3_getattr_async(nfs->rpc, nfs_lseek_1_cb, &args, data) != 0) {
84004dbf
RS		 2775 rpc_set_error(nfs->rpc, "RPC error: Failed to send LSEEK GETATTR call");
2776 free(data);
cbbf9d3e 2777 return -1;
84004dbf
RS		 2778 }
2779 return 0;
2780}
2781
2782
2783
2784
2785/*
2786 * Async statvfs()
2787 */
f3a75078 2788static void nfs_statvfs_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 2789{
2790 FSSTAT3res *res;
2791 struct nfs_cb_data *data = private_data;
2792 struct nfs_context *nfs = data->nfs;
2793 struct statvfs svfs;
2794
f3a75078
RS		 2795 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2796
84004dbf
RS		 2797 if (status == RPC_STATUS_ERROR) {
2798 data->cb(-EFAULT, nfs, command_data, data->private_data);
2799 free_nfs_cb_data(data);
2800 return;
2801 }
2802 if (status == RPC_STATUS_CANCEL) {
2803 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2804 free_nfs_cb_data(data);
2805 return;
2806 }
2807
2808 res = command_data;
2809 if (res->status != NFS3_OK) {
2810 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));
2811 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2812 free_nfs_cb_data(data);
2813 return;
2814 }
2815
2816 svfs.f_bsize = 4096;
2817 svfs.f_frsize = 4096;
2818 svfs.f_blocks = res->FSSTAT3res_u.resok.tbytes/4096;
2819 svfs.f_bfree = res->FSSTAT3res_u.resok.fbytes/4096;
2820 svfs.f_bavail = res->FSSTAT3res_u.resok.abytes/4096;
2821 svfs.f_files = res->FSSTAT3res_u.resok.tfiles;
2822 svfs.f_ffree = res->FSSTAT3res_u.resok.ffiles;
252aa90d 2823#if !defined(ANDROID)
84004dbf
RS		 2824 svfs.f_favail = res->FSSTAT3res_u.resok.afiles;
2825 svfs.f_fsid = 0;
2826 svfs.f_flag = 0;
2827 svfs.f_namemax = 256;
252aa90d 2828#endif
84004dbf
RS		 2829
2830 data->cb(0, nfs, &svfs, data->private_data);
2831 free_nfs_cb_data(data);
2832}
2833
2834static int nfs_statvfs_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2835{
2836 if (rpc_nfs_fsstat_async(nfs->rpc, nfs_statvfs_1_cb, &data->fh, data) != 0) {
2837 rpc_set_error(nfs->rpc, "RPC error: Failed to send FSSTAT call for %s", data->path);
2838 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2839 free_nfs_cb_data(data);
2840 return -1;
2841 }
2842 return 0;
2843}
2844
2845int nfs_statvfs_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
2846{
2847 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_statvfs_continue_internal, NULL, NULL, 0) != 0) {
cbbf9d3e 2848 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 2849 return -1;
2850 }
2851
2852 return 0;
2853}
2854
2855
2856
2857
2858/*
2859 * Async readlink()
2860 */
f3a75078 2861static void nfs_readlink_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 2862{
2863 READLINK3res *res;
2864 struct nfs_cb_data *data = private_data;
2865 struct nfs_context *nfs = data->nfs;
2866
f3a75078
RS		 2867 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2868
84004dbf
RS		 2869 if (status == RPC_STATUS_ERROR) {
2870 data->cb(-EFAULT, nfs, command_data, data->private_data);
2871 free_nfs_cb_data(data);
2872 return;
2873 }
2874 if (status == RPC_STATUS_CANCEL) {
2875 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2876 free_nfs_cb_data(data);
2877 return;
2878 }
2879
2880 res = command_data;
2881 if (res->status != NFS3_OK) {
2882 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));
2883 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2884 free_nfs_cb_data(data);
2885 return;
2886 }
2887
2888
2889 data->cb(0, nfs, res->READLINK3res_u.resok.data, data->private_data);
2890 free_nfs_cb_data(data);
2891}
2892
2893static int nfs_readlink_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2894{
16104b27
RS		 2895 READLINK3args args;
2896
2897 args.symlink.data.data_len = data->fh.data.data_len;
2898 args.symlink.data.data_val = data->fh.data.data_val;
2899
2900 if (rpc_nfs_readlink_async(nfs->rpc, nfs_readlink_1_cb, &args, data) != 0) {
84004dbf
RS		 2901 rpc_set_error(nfs->rpc, "RPC error: Failed to send READLINK call for %s", data->path);
2902 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2903 free_nfs_cb_data(data);
2904 return -1;
2905 }
2906 return 0;
2907}
2908
2909int nfs_readlink_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
2910{
2911 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_readlink_continue_internal, NULL, NULL, 0) != 0) {
cbbf9d3e 2912 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 2913 return -1;
2914 }
2915
2916 return 0;
2917}
2918
2919
2920
2921
2922/*
2923 * Async chmod()
2924 */
f3a75078 2925static void nfs_chmod_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 2926{
2927 struct nfs_cb_data *data = private_data;
2928 struct nfs_context *nfs = data->nfs;
2929 SETATTR3res *res;
2930
f3a75078
RS		 2931 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2932
84004dbf
RS		 2933 if (status == RPC_STATUS_ERROR) {
2934 data->cb(-EFAULT, nfs, command_data, data->private_data);
2935 free_nfs_cb_data(data);
2936 return;
2937 }
2938 if (status == RPC_STATUS_CANCEL) {
2939 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2940 free_nfs_cb_data(data);
2941 return;
2942 }
2943
2944 res = command_data;
2945 if (res->status != NFS3_OK) {
2946 rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
2947 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2948 free_nfs_cb_data(data);
2949 return;
2950 }
2951
2952 data->cb(0, nfs, NULL, data->private_data);
2953 free_nfs_cb_data(data);
2954}
2955
2956static int nfs_chmod_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2957{
2958 SETATTR3args args;
2959
ea98629a 2960 memset(&args, 0, sizeof(SETATTR3args));
84004dbf
RS		 2961 args.object.data.data_len = data->fh.data.data_len;
2962 args.object.data.data_val = data->fh.data.data_val;
2963 args.new_attributes.mode.set_it = 1;
2964 args.new_attributes.mode.set_mode3_u.mode = data->continue_int;
2965
2966 if (rpc_nfs_setattr_async(nfs->rpc, nfs_chmod_cb, &args, data) != 0) {
2967 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
2968 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2969 free_nfs_cb_data(data);
2970 return -1;
2971 }
2972 return 0;
2973}
2974
2975
2976int nfs_chmod_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data)
2977{
2978 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_chmod_continue_internal, NULL, NULL, mode) != 0) {
cbbf9d3e 2979 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 2980 return -1;
2981 }
2982
2983 return 0;
2984}
2985
2986/*
2987 * Async fchmod()
2988 */
2989int nfs_fchmod_async(struct nfs_context *nfs, struct nfsfh *nfsfh, int mode, nfs_cb cb, void *private_data)
2990{
2991 struct nfs_cb_data *data;
2992
2993 data = malloc(sizeof(struct nfs_cb_data));
2994 if (data == NULL) {
cbbf9d3e 2995 rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for nfs mount data");
84004dbf
RS		 2996 return -1;
2997 }
ea98629a 2998 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 2999 data->nfs = nfs;
3000 data->cb = cb;
3001 data->private_data = private_data;
3002 data->continue_int = mode;
3003 data->fh.data.data_len = nfsfh->fh.data.data_len;
3004 data->fh.data.data_val = malloc(data->fh.data.data_len);
3005 if (data->fh.data.data_val == NULL) {
3006 rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh");
3007 free_nfs_cb_data(data);
3008 return -1;
3009 }
3010 memcpy(data->fh.data.data_val, nfsfh->fh.data.data_val, data->fh.data.data_len);
3011
3012 if (nfs_chmod_continue_internal(nfs, data) != 0) {
3013 free_nfs_cb_data(data);
3014 return -1;
3015 }
3016
3017 return 0;
3018}
3019
3020
3021
3022/*
3023 * Async chown()
3024 */
f3a75078 3025static void nfs_chown_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3026{
3027 struct nfs_cb_data *data = private_data;
3028 struct nfs_context *nfs = data->nfs;
3029 SETATTR3res *res;
3030
f3a75078
RS		 3031 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3032
84004dbf
RS		 3033 if (status == RPC_STATUS_ERROR) {
3034 data->cb(-EFAULT, nfs, command_data, data->private_data);
3035 free_nfs_cb_data(data);
3036 return;
3037 }
3038 if (status == RPC_STATUS_CANCEL) {
3039 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3040 free_nfs_cb_data(data);
3041 return;
3042 }
3043
3044 res = command_data;
3045 if (res->status != NFS3_OK) {
3046 rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
3047 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3048 free_nfs_cb_data(data);
3049 return;
3050 }
3051
3052 data->cb(0, nfs, NULL, data->private_data);
3053 free_nfs_cb_data(data);
3054}
3055
3056struct nfs_chown_data {
3057 uid_t uid;
3058 gid_t gid;
3059};
3060
3061static int nfs_chown_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3062{
3063 SETATTR3args args;
3064 struct nfs_chown_data *chown_data = data->continue_data;
3065
ea98629a 3066 memset(&args, 0, sizeof(SETATTR3args));
84004dbf
RS		 3067 args.object.data.data_len = data->fh.data.data_len;
3068 args.object.data.data_val = data->fh.data.data_val;
3069 if (chown_data->uid != (uid_t)-1) {
3070 args.new_attributes.uid.set_it = 1;
3071 args.new_attributes.uid.set_uid3_u.uid = chown_data->uid;
3072 }
3073 if (chown_data->gid != (gid_t)-1) {
3074 args.new_attributes.gid.set_it = 1;
3075 args.new_attributes.gid.set_gid3_u.gid = chown_data->gid;
3076 }
3077
3078 if (rpc_nfs_setattr_async(nfs->rpc, nfs_chown_cb, &args, data) != 0) {
3079 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
3080 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3081 free_nfs_cb_data(data);
3082 return -1;
3083 }
3084 return 0;
3085}
3086
3087
3088int nfs_chown_async(struct nfs_context *nfs, const char *path, int uid, int gid, nfs_cb cb, void *private_data)
3089{
3090 struct nfs_chown_data *chown_data;
3091
3092 chown_data = malloc(sizeof(struct nfs_chown_data));
3093 if (chown_data == NULL) {
cbbf9d3e 3094 rpc_set_error(nfs->rpc, "Failed to allocate memory for chown data structure");
84004dbf
RS		 3095 return -1;
3096 }
3097
3098 chown_data->uid = uid;
3099 chown_data->gid = gid;
3100
3101 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_chown_continue_internal, chown_data, free, 0) != 0) {
cbbf9d3e 3102 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 3103 return -1;
3104 }
3105
3106 return 0;
3107}
3108
3109
3110/*
3111 * Async fchown()
3112 */
3113int nfs_fchown_async(struct nfs_context *nfs, struct nfsfh *nfsfh, int uid, int gid, nfs_cb cb, void *private_data)
3114{
3115 struct nfs_cb_data *data;
3116 struct nfs_chown_data *chown_data;
3117
3118 chown_data = malloc(sizeof(struct nfs_chown_data));
3119 if (chown_data == NULL) {
cbbf9d3e 3120 rpc_set_error(nfs->rpc, "Failed to allocate memory for chown data structure");
84004dbf
RS		 3121 return -1;
3122 }
3123
3124 chown_data->uid = uid;
3125 chown_data->gid = gid;
3126
3127
3128 data = malloc(sizeof(struct nfs_cb_data));
3129 if (data == NULL) {
cbbf9d3e 3130 rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for fchown data");
84004dbf
RS		 3131 return -1;
3132 }
ea98629a 3133 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 3134 data->nfs = nfs;
3135 data->cb = cb;
3136 data->private_data = private_data;
3137 data->continue_data = chown_data;
3138 data->fh.data.data_len = nfsfh->fh.data.data_len;
3139 data->fh.data.data_val = malloc(data->fh.data.data_len);
3140 if (data->fh.data.data_val == NULL) {
3141 rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh");
3142 free_nfs_cb_data(data);
3143 return -1;
3144 }
3145 memcpy(data->fh.data.data_val, nfsfh->fh.data.data_val, data->fh.data.data_len);
3146
3147
3148 if (nfs_chown_continue_internal(nfs, data) != 0) {
3149 free_nfs_cb_data(data);
3150 return -1;
3151 }
3152
3153 return 0;
3154}
3155
3156
3157
3158
3159
3160/*
3161 * Async utimes()
3162 */
f3a75078 3163static void nfs_utimes_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3164{
3165 struct nfs_cb_data *data = private_data;
3166 struct nfs_context *nfs = data->nfs;
3167 SETATTR3res *res;
3168
f3a75078
RS		 3169 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3170
84004dbf
RS		 3171 if (status == RPC_STATUS_ERROR) {
3172 data->cb(-EFAULT, nfs, command_data, data->private_data);
3173 free_nfs_cb_data(data);
3174 return;
3175 }
3176 if (status == RPC_STATUS_CANCEL) {
3177 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3178 free_nfs_cb_data(data);
3179 return;
3180 }
3181
3182 res = command_data;
3183 if (res->status != NFS3_OK) {
3184 rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
3185 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3186 free_nfs_cb_data(data);
3187 return;
3188 }
3189
3190 data->cb(0, nfs, NULL, data->private_data);
3191 free_nfs_cb_data(data);
3192}
3193
3194static int nfs_utimes_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3195{
3196 SETATTR3args args;
3197 struct timeval *utimes_data = data->continue_data;
3198
ea98629a 3199 memset(&args, 0, sizeof(SETATTR3args));
84004dbf
RS		 3200 args.object.data.data_len = data->fh.data.data_len;
3201 args.object.data.data_val = data->fh.data.data_val;
3202 if (utimes_data != NULL) {
3203 args.new_attributes.atime.set_it = SET_TO_CLIENT_TIME;
3204 args.new_attributes.atime.set_atime_u.atime.seconds = utimes_data[0].tv_sec;
3205 args.new_attributes.atime.set_atime_u.atime.nseconds = utimes_data[0].tv_usec * 1000;
3206 args.new_attributes.mtime.set_it = SET_TO_CLIENT_TIME;
3207 args.new_attributes.mtime.set_mtime_u.mtime.seconds = utimes_data[1].tv_sec;
3208 args.new_attributes.mtime.set_mtime_u.mtime.nseconds = utimes_data[1].tv_usec * 1000;
3209 } else {
3210 args.new_attributes.atime.set_it = SET_TO_SERVER_TIME;
3211 args.new_attributes.mtime.set_it = SET_TO_SERVER_TIME;
3212 }
3213
3214 if (rpc_nfs_setattr_async(nfs->rpc, nfs_utimes_cb, &args, data) != 0) {
3215 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
3216 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3217 free_nfs_cb_data(data);
3218 return -1;
3219 }
3220 return 0;
3221}
3222
3223
3224int nfs_utimes_async(struct nfs_context *nfs, const char *path, struct timeval *times, nfs_cb cb, void *private_data)
3225{
3226 struct timeval *new_times = NULL;
3227
3228 if (times != NULL) {
3229 new_times = malloc(sizeof(struct timeval)*2);
3230 if (new_times == NULL) {
cbbf9d3e 3231 rpc_set_error(nfs->rpc, "Failed to allocate memory for timeval structure");
84004dbf
RS		 3232 return -1;
3233 }
3234
3235 memcpy(new_times, times, sizeof(struct timeval)*2);
3236 }
3237
3238 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_utimes_continue_internal, new_times, free, 0) != 0) {
cbbf9d3e 3239 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 3240 return -1;
3241 }
3242
3243 return 0;
3244}
3245
3246/*
3247 * Async utime()
3248 */
3249int nfs_utime_async(struct nfs_context *nfs, const char *path, struct utimbuf *times, nfs_cb cb, void *private_data)
3250{
3251 struct timeval *new_times = NULL;
3252
3253 if (times != NULL) {
3254 new_times = malloc(sizeof(struct timeval)*2);
3255 if (new_times == NULL) {
cbbf9d3e 3256 rpc_set_error(nfs->rpc, "Failed to allocate memory for timeval structure");
84004dbf
RS		 3257 return -1;
3258 }
3259
3260 new_times[0].tv_sec = times->actime;
3261 new_times[0].tv_usec = 0;
3262 new_times[1].tv_sec = times->modtime;
3263 new_times[1].tv_usec = 0;
3264 }
3265
3266 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_utimes_continue_internal, new_times, free, 0) != 0) {
cbbf9d3e 3267 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 3268 return -1;
3269 }
3270
3271 return 0;
3272}
84004dbf
RS		 3273
3274
3275/*
3276 * Async access()
3277 */
f3a75078 3278static void nfs_access_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3279{
3280 ACCESS3res *res;
3281 struct nfs_cb_data *data = private_data;
3282 struct nfs_context *nfs = data->nfs;
3283 unsigned int nfsmode = 0;
3284
f3a75078
RS		 3285 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3286
84004dbf
RS		 3287 if (status == RPC_STATUS_ERROR) {
3288 data->cb(-EFAULT, nfs, command_data, data->private_data);
3289 free_nfs_cb_data(data);
3290 return;
3291 }
3292 if (status == RPC_STATUS_CANCEL) {
3293 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3294 free_nfs_cb_data(data);
3295 return;
3296 }
3297
3298 res = command_data;
3299 if (res->status != NFS3_OK) {
3300 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));
3301 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3302 free_nfs_cb_data(data);
3303 return;
3304 }
3305
3306 if (data->continue_int & R_OK) {
3307 nfsmode |= ACCESS3_READ;
3308 }
3309 if (data->continue_int & W_OK) {
3310 nfsmode |= ACCESS3_MODIFY;
3311 }
3312 if (data->continue_int & X_OK) {
3313 nfsmode |= ACCESS3_EXECUTE;
3314 }
3315
3316 if (res->ACCESS3res_u.resok.access != nfsmode) {
3317 rpc_set_error(nfs->rpc, "NFS: ACCESS denied. Required access %c%c%c. Allowed access %c%c%c",
3318 nfsmode&ACCESS3_READ?'r':'-',
3319 nfsmode&ACCESS3_MODIFY?'w':'-',
3320 nfsmode&ACCESS3_EXECUTE?'x':'-',
3321 res->ACCESS3res_u.resok.access&ACCESS3_READ?'r':'-',
3322 res->ACCESS3res_u.resok.access&ACCESS3_MODIFY?'w':'-',
3323 res->ACCESS3res_u.resok.access&ACCESS3_EXECUTE?'x':'-');
3324 data->cb(-EACCES, nfs, rpc_get_error(nfs->rpc), data->private_data);
3325 free_nfs_cb_data(data);
3326 return;
3327 }
3328
3329 data->cb(0, nfs, NULL, data->private_data);
3330 free_nfs_cb_data(data);
3331}
3332
3333static int nfs_access_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3334{
3335 int nfsmode = 0;
463d59bf 3336 ACCESS3args args;
84004dbf
RS		 3337
3338 if (data->continue_int & R_OK) {
3339 nfsmode |= ACCESS3_READ;
3340 }
3341 if (data->continue_int & W_OK) {
3342 nfsmode |= ACCESS3_MODIFY;
3343 }
3344 if (data->continue_int & X_OK) {
3345 nfsmode |= ACCESS3_EXECUTE;
3346 }
3347
463d59bf
RS		 3348 memset(&args, 0, sizeof(ACCESS3args));
3349 args.object.data.data_len = data->fh.data.data_len;
3350 args.object.data.data_val = data->fh.data.data_val;
3351 args.access = nfsmode;
3352
3353 if (rpc_nfs3_access_async(nfs->rpc, nfs_access_cb, &args, data) != 0) {
84004dbf
RS		 3354 rpc_set_error(nfs->rpc, "RPC error: Failed to send OPEN ACCESS call for %s", data->path);
3355 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3356 free_nfs_cb_data(data);
3357 return -1;
3358 }
3359 return 0;
3360}
3361
3362int nfs_access_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data)
3363{
3364 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_access_continue_internal, NULL, NULL, mode) != 0) {
cbbf9d3e
RS		 3365 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
3366 return -1;
84004dbf
RS		 3367 }
3368
3369 return 0;
3370}
3371
3372
3373
3374/*
3375 * Async symlink()
3376 */
3377struct nfs_symlink_data {
3378 char *oldpath;
3379 char *newpathparent;
3380 char *newpathobject;
3381};
3382
3383static void free_nfs_symlink_data(void *mem)
3384{
3385 struct nfs_symlink_data *data = mem;
3386
3387 if (data->oldpath != NULL) {
3388 free(data->oldpath);
3389 }
3390 if (data->newpathparent != NULL) {
3391 free(data->newpathparent);
3392 }
3393 if (data->newpathobject != NULL) {
3394 free(data->newpathobject);
3395 }
3396 free(data);
3397}
3398
f3a75078 3399static void nfs_symlink_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3400{
3401 SYMLINK3res *res;
3402 struct nfs_cb_data *data = private_data;
3403 struct nfs_context *nfs = data->nfs;
3404 struct nfs_symlink_data *symlink_data = data->continue_data;
3405
f3a75078
RS		 3406 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3407
84004dbf
RS		 3408 if (status == RPC_STATUS_ERROR) {
3409 data->cb(-EFAULT, nfs, command_data, data->private_data);
3410 free_nfs_cb_data(data);
3411 return;
3412 }
3413 if (status == RPC_STATUS_CANCEL) {
3414 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3415 free_nfs_cb_data(data);
3416 return;
3417 }
3418
3419 res = command_data;
3420 if (res->status != NFS3_OK) {
3421 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));
3422 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3423 free_nfs_cb_data(data);
3424 return;
3425 }
3426
3427 data->cb(0, nfs, NULL, data->private_data);
3428 free_nfs_cb_data(data);
3429}
3430
3431static int nfs_symlink_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3432{
3433 struct nfs_symlink_data *symlink_data = data->continue_data;
8e255816 3434 SYMLINK3args sa;
84004dbf 3435
8e255816
RS		 3436 memset(&sa, 0, sizeof(SYMLINK3args));
3437 sa.where.dir.data.data_len = data->fh.data.data_len;
3438 sa.where.dir.data.data_val = data->fh.data.data_val;
3439 sa.where.name = symlink_data->newpathobject;
3440 sa.symlink.symlink_attributes.mode.set_it = 1;
3441 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;
3442 sa.symlink.symlink_data = symlink_data->oldpath;
3443
3444 if (rpc_nfs_symlink_async(nfs->rpc, nfs_symlink_cb, &sa, data) != 0) {
84004dbf
RS		 3445 rpc_set_error(nfs->rpc, "RPC error: Failed to send SYMLINK call for %s", data->path);
3446 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3447 free_nfs_cb_data(data);
3448 return -1;
3449 }
3450 return 0;
3451}
3452
3453int nfs_symlink_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data)
3454{
3455 char *ptr;
3456 struct nfs_symlink_data *symlink_data;
3457
3458 symlink_data = malloc(sizeof(struct nfs_symlink_data));
3459 if (symlink_data == NULL) {
cbbf9d3e 3460 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for symlink data");
84004dbf
RS		 3461 return -1;
3462 }
ea98629a 3463 memset(symlink_data, 0, sizeof(struct nfs_symlink_data));
84004dbf
RS		 3464
3465 symlink_data->oldpath = strdup(oldpath);
3466 if (symlink_data->oldpath == NULL) {
cbbf9d3e 3467 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath");
84004dbf 3468 free_nfs_symlink_data(symlink_data);
cbbf9d3e 3469 return -1;
84004dbf
RS		 3470 }
3471
3472 symlink_data->newpathparent = strdup(newpath);
3473 if (symlink_data->newpathparent == NULL) {
cbbf9d3e 3474 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for new path");
84004dbf 3475 free_nfs_symlink_data(symlink_data);
cbbf9d3e 3476 return -1;
84004dbf
RS		 3477 }
3478
93e9306f 3479 ptr = strrchr(symlink_data->newpathparent, '/');
84004dbf 3480 if (ptr == NULL) {
cbbf9d3e 3481 rpc_set_error(nfs->rpc, "Invalid path %s", oldpath);
84004dbf 3482 free_nfs_symlink_data(symlink_data);
cbbf9d3e 3483 return -1;
84004dbf
RS		 3484 }
3485 *ptr = 0;
3486 ptr++;
3487
3488 symlink_data->newpathobject = strdup(ptr);
3489 if (symlink_data->newpathobject == NULL) {
cbbf9d3e 3490 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for new path");
84004dbf 3491 free_nfs_symlink_data(symlink_data);
cbbf9d3e 3492 return -1;
84004dbf
RS		 3493 }
3494
3495 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		 3496 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
3497 return -1;
84004dbf
RS		 3498 }
3499
3500 return 0;
3501}
3502
3503
3504
3505/*
3506 * Async rename()
3507 */
3508struct nfs_rename_data {
3509 char *oldpath;
3510 char *oldobject;
3511 struct nfs_fh3 olddir;
3512 char *newpath;
3513 char *newobject;
3514 struct nfs_fh3 newdir;
3515};
3516
3517static void free_nfs_rename_data(void *mem)
3518{
3519 struct nfs_rename_data *data = mem;
3520
3521 if (data->oldpath != NULL) {
3522 free(data->oldpath);
3523 }
3524 if (data->olddir.data.data_val != NULL) {
3525 free(data->olddir.data.data_val);
3526 }
3527 if (data->newpath != NULL) {
3528 free(data->newpath);
3529 }
3530 if (data->newdir.data.data_val != NULL) {
3531 free(data->newdir.data.data_val);
3532 }
3533 free(data);
3534}
3535
f3a75078 3536static void nfs_rename_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3537{
3538 RENAME3res *res;
3539 struct nfs_cb_data *data = private_data;
3540 struct nfs_context *nfs = data->nfs;
3541 struct nfs_rename_data *rename_data = data->continue_data;
3542
f3a75078
RS		 3543 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3544
84004dbf
RS		 3545 if (status == RPC_STATUS_ERROR) {
3546 data->cb(-EFAULT, nfs, command_data, data->private_data);
3547 free_nfs_cb_data(data);
3548 return;
3549 }
3550 if (status == RPC_STATUS_CANCEL) {
3551 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3552 free_nfs_cb_data(data);
3553 return;
3554 }
3555
3556 res = command_data;
3557 if (res->status != NFS3_OK) {
3558 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));
3559 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3560 free_nfs_cb_data(data);
3561 return;
3562 }
3563
3564 data->cb(0, nfs, NULL, data->private_data);
3565 free_nfs_cb_data(data);
3566}
3567
3568static int nfs_rename_continue_2_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3569{
3570 struct nfs_rename_data *rename_data = data->continue_data;
3571
3572 /* steal the filehandle */
3573 rename_data->newdir.data.data_len = data->fh.data.data_len;
3574 rename_data->newdir.data.data_val = data->fh.data.data_val;
3575 data->fh.data.data_val = NULL;
3576
3577 if (rpc_nfs_rename_async(nfs->rpc, nfs_rename_cb, &rename_data->olddir, rename_data->oldobject, &rename_data->newdir, rename_data->newobject, data) != 0) {
3578 rpc_set_error(nfs->rpc, "RPC error: Failed to send RENAME call for %s", data->path);
3579 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3580 free_nfs_cb_data(data);
3581 return -1;
3582 }
3583 return 0;
3584}
3585
3586
3587static int nfs_rename_continue_1_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3588{
3589 struct nfs_rename_data *rename_data = data->continue_data;
3590
3591 /* steal the filehandle */
3592 rename_data->olddir.data.data_len = data->fh.data.data_len;
3593 rename_data->olddir.data.data_val = data->fh.data.data_val;
3594 data->fh.data.data_val = NULL;
3595
3596 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) {
3597 rpc_set_error(nfs->rpc, "RPC error: Failed to send LOOKUP call for %s", rename_data->newpath);
3598 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3599 free_nfs_cb_data(data);
3600 return -1;
3601 }
3602 data->continue_data = NULL;
3603 free_nfs_cb_data(data);
3604
3605 return 0;
3606}
3607
3608
3609int nfs_rename_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data)
3610{
3611 char *ptr;
3612 struct nfs_rename_data *rename_data;
3613
3614 rename_data = malloc(sizeof(struct nfs_rename_data));
3615 if (rename_data == NULL) {
cbbf9d3e 3616 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for rename data");
84004dbf
RS		 3617 return -1;
3618 }
ea98629a 3619 memset(rename_data, 0, sizeof(struct nfs_rename_data));
84004dbf
RS		 3620
3621 rename_data->oldpath = strdup(oldpath);
3622 if (rename_data->oldpath == NULL) {
cbbf9d3e 3623 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath");
84004dbf 3624 free_nfs_rename_data(rename_data);
cbbf9d3e 3625 return -1;
84004dbf 3626 }
93e9306f 3627 ptr = strrchr(rename_data->oldpath, '/');
84004dbf 3628 if (ptr == NULL) {
cbbf9d3e 3629 rpc_set_error(nfs->rpc, "Invalid path %s", oldpath);
84004dbf 3630 free_nfs_rename_data(rename_data);
cbbf9d3e 3631 return -1;
84004dbf
RS		 3632 }
3633 *ptr = 0;
3634 ptr++;
3635 rename_data->oldobject = ptr;
3636
3637
3638 rename_data->newpath = strdup(newpath);
3639 if (rename_data->newpath == NULL) {
cbbf9d3e 3640 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for newpath");
84004dbf 3641 free_nfs_rename_data(rename_data);
cbbf9d3e 3642 return -1;
84004dbf 3643 }
93e9306f 3644 ptr = strrchr(rename_data->newpath, '/');
84004dbf 3645 if (ptr == NULL) {
cbbf9d3e 3646 rpc_set_error(nfs->rpc, "Invalid path %s", newpath);
84004dbf 3647 free_nfs_rename_data(rename_data);
cbbf9d3e 3648 return -1;
84004dbf
RS		 3649 }
3650 *ptr = 0;
3651 ptr++;
3652 rename_data->newobject = ptr;
3653
3654
3655 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		 3656 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
3657 return -1;
84004dbf
RS		 3658 }
3659
3660 return 0;
3661}
3662
3663
3664/*
3665 * Async link()
3666 */
3667struct nfs_link_data {
3668 char *oldpath;
3669 struct nfs_fh3 oldfh;
3670 char *newpath;
3671 char *newobject;
3672 struct nfs_fh3 newdir;
3673};
3674
3675static void free_nfs_link_data(void *mem)
3676{
3677 struct nfs_link_data *data = mem;
3678
3679 if (data->oldpath != NULL) {
3680 free(data->oldpath);
3681 }
3682 if (data->oldfh.data.data_val != NULL) {
3683 free(data->oldfh.data.data_val);
3684 }
3685 if (data->newpath != NULL) {
3686 free(data->newpath);
3687 }
3688 if (data->newdir.data.data_val != NULL) {
3689 free(data->newdir.data.data_val);
3690 }
3691 free(data);
3692}
3693
f3a75078 3694static void nfs_link_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3695{
3696 LINK3res *res;
3697 struct nfs_cb_data *data = private_data;
3698 struct nfs_context *nfs = data->nfs;
3699 struct nfs_link_data *link_data = data->continue_data;
3700
f3a75078
RS		 3701 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3702
84004dbf
RS		 3703 if (status == RPC_STATUS_ERROR) {
3704 data->cb(-EFAULT, nfs, command_data, data->private_data);
3705 free_nfs_cb_data(data);
3706 return;
3707 }
3708 if (status == RPC_STATUS_CANCEL) {
3709 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3710 free_nfs_cb_data(data);
3711 return;
3712 }
3713
3714 res = command_data;
3715 if (res->status != NFS3_OK) {
3716 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));
3717 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3718 free_nfs_cb_data(data);
3719 return;
3720 }
3721
3722 data->cb(0, nfs, NULL, data->private_data);
3723 free_nfs_cb_data(data);
3724}
3725
3726static int nfs_link_continue_2_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3727{
3728 struct nfs_link_data *link_data = data->continue_data;
3729
3730 /* steal the filehandle */
3731 link_data->newdir.data.data_len = data->fh.data.data_len;
3732 link_data->newdir.data.data_val = data->fh.data.data_val;
3733 data->fh.data.data_val = NULL;
3734
3735 if (rpc_nfs_link_async(nfs->rpc, nfs_link_cb, &link_data->oldfh, &link_data->newdir, link_data->newobject, data) != 0) {
3736 rpc_set_error(nfs->rpc, "RPC error: Failed to send LINK call for %s", data->path);
3737 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3738 free_nfs_cb_data(data);
3739 return -1;
3740 }
3741 return 0;
3742}
3743
3744
3745static int nfs_link_continue_1_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3746{
3747 struct nfs_link_data *link_data = data->continue_data;
3748
3749 /* steal the filehandle */
3750 link_data->oldfh.data.data_len = data->fh.data.data_len;
3751 link_data->oldfh.data.data_val = data->fh.data.data_val;
3752 data->fh.data.data_val = NULL;
3753
3754 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) {
3755 rpc_set_error(nfs->rpc, "RPC error: Failed to send LOOKUP call for %s", link_data->newpath);
3756 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3757 free_nfs_cb_data(data);
3758 return -1;
3759 }
3760 data->continue_data = NULL;
3761 free_nfs_cb_data(data);
3762
3763 return 0;
3764}
3765
3766
3767int nfs_link_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data)
3768{
3769 char *ptr;
3770 struct nfs_link_data *link_data;
3771
3772 link_data = malloc(sizeof(struct nfs_link_data));
3773 if (link_data == NULL) {
cbbf9d3e 3774 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for link data");
84004dbf
RS		 3775 return -1;
3776 }
ea98629a 3777 memset(link_data, 0, sizeof(struct nfs_link_data));
84004dbf
RS		 3778
3779 link_data->oldpath = strdup(oldpath);
3780 if (link_data->oldpath == NULL) {
cbbf9d3e 3781 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath");
84004dbf 3782 free_nfs_link_data(link_data);
cbbf9d3e 3783 return -1;
84004dbf
RS		 3784 }
3785
3786 link_data->newpath = strdup(newpath);
3787 if (link_data->newpath == NULL) {
cbbf9d3e 3788 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for newpath");
84004dbf 3789 free_nfs_link_data(link_data);
cbbf9d3e 3790 return -1;
84004dbf 3791 }
93e9306f 3792 ptr = strrchr(link_data->newpath, '/');
84004dbf 3793 if (ptr == NULL) {
cbbf9d3e 3794 rpc_set_error(nfs->rpc, "Invalid path %s", newpath);
84004dbf 3795 free_nfs_link_data(link_data);
cbbf9d3e 3796 return -1;
84004dbf
RS		 3797 }
3798 *ptr = 0;
3799 ptr++;
3800 link_data->newobject = ptr;
3801
3802
3803 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		 3804 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
3805 return -1;
84004dbf
RS		 3806 }
3807
3808 return 0;
3809}
3810
3811
3812//qqq replace later with lseek()
183451cf 3813uint64_t nfs_get_current_offset(struct nfsfh *nfsfh)
84004dbf
RS		 3814{
3815 return nfsfh->offset;
3816}
3817
17ef62fa
RS		 3818
3819
3820/*
3821 * Get the maximum supported READ3 size by the server
3822 */
183451cf 3823uint64_t nfs_get_readmax(struct nfs_context *nfs)
17ef62fa
RS		 3824{
3825 return nfs->readmax;
3826}
3827
3828/*
3829 * Get the maximum supported WRITE3 size by the server
3830 */
183451cf 3831uint64_t nfs_get_writemax(struct nfs_context *nfs)
17ef62fa 3832{
e7f3a781 3833 return nfs->writemax;
17ef62fa 3834}
1896d37b
RS		 3835
3836void nfs_set_error(struct nfs_context *nfs, char *error_string, ...)
3837{
3838 va_list ap;
1e8994af 3839 char *str = NULL;
1896d37b 3840
1e8994af 3841 va_start(ap, error_string);
2606f9bb
RS		 3842 str = malloc(1024);
3843 vsnprintf(str, 1024, error_string, ap);
1896d37b
RS		 3844 if (nfs->rpc->error_string != NULL) {
3845 free(nfs->rpc->error_string);
3846 }
1896d37b 3847 nfs->rpc->error_string = str;
a8a1b858 3848 va_end(ap);
1896d37b 3849}
7f0242ca
RS		 3850
3851
3852
3853struct mount_cb_data {
3854 rpc_cb cb;
3855 void *private_data;
3856 char *server;
3857};
3858
3859static void free_mount_cb_data(struct mount_cb_data *data)
3860{
3861 if (data->server != NULL) {
3862 free(data->server);
3863 data->server = NULL;
3864 }
3865
3866 free(data);
3867}
3868
3869static void mount_export_5_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
3870{
3871 struct mount_cb_data *data = private_data;
3872
f3a75078
RS		 3873 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3874
3875 if (status == RPC_STATUS_ERROR) {
7f0242ca
RS		 3876 data->cb(rpc, -EFAULT, command_data, data->private_data);
3877 free_mount_cb_data(data);
3878 return;
3879 }
3880 if (status == RPC_STATUS_CANCEL) {
3881 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
3882 free_mount_cb_data(data);
3883 return;
3884 }
3885
3886 data->cb(rpc, 0, command_data, data->private_data);
3887 if (rpc_disconnect(rpc, "normal disconnect") != 0) {
3888 rpc_set_error(rpc, "Failed to disconnect\n");
3889 }
3890 free_mount_cb_data(data);
3891}
3892
3893static void mount_export_4_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
3894{
3895 struct mount_cb_data *data = private_data;
3896
f3a75078
RS		 3897 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3898
14a062eb
RS		 3899 /* Dont want any more callbacks even if the socket is closed */
3900 rpc->connect_cb = NULL;
3901
7f0242ca
RS		 3902 if (status == RPC_STATUS_ERROR) {
3903 data->cb(rpc, -EFAULT, command_data, data->private_data);
3904 free_mount_cb_data(data);
3905 return;
3906 }
3907 if (status == RPC_STATUS_CANCEL) {
3908 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
3909 free_mount_cb_data(data);
3910 return;
3911 }
3912
3913 if (rpc_mount_export_async(rpc, mount_export_5_cb, data) != 0) {
3914 data->cb(rpc, -ENOMEM, command_data, data->private_data);
3915 free_mount_cb_data(data);
3916 return;
3917 }
3918}
3919
3920static void mount_export_3_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
3921{
3922 struct mount_cb_data *data = private_data;
3923 uint32_t mount_port;
3924
f3a75078
RS		 3925 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3926
3927 if (status == RPC_STATUS_ERROR) {
7f0242ca
RS		 3928 data->cb(rpc, -EFAULT, command_data, data->private_data);
3929 free_mount_cb_data(data);
3930 return;
3931 }
3932 if (status == RPC_STATUS_CANCEL) {
3933 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
3934 free_mount_cb_data(data);
3935 return;
3936 }
3937
3938 mount_port = *(uint32_t *)command_data;
3939 if (mount_port == 0) {
3940 rpc_set_error(rpc, "RPC error. Mount program is not available");
3941 data->cb(rpc, -ENOENT, command_data, data->private_data);
3942 free_mount_cb_data(data);
3943 return;
3944 }
3945
3946 rpc_disconnect(rpc, "normal disconnect");
3947 if (rpc_connect_async(rpc, data->server, mount_port, mount_export_4_cb, data) != 0) {
3948 data->cb(rpc, -ENOMEM, command_data, data->private_data);
3949 free_mount_cb_data(data);
3950 return;
3951 }
3952}
3953
3954static void mount_export_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
3955{
3956 struct mount_cb_data *data = private_data;
3957
f3a75078
RS		 3958 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3959
7f0242ca
RS		 3960 if (status == RPC_STATUS_ERROR) {
3961 data->cb(rpc, -EFAULT, command_data, data->private_data);
3962 free_mount_cb_data(data);
3963 return;
3964 }
3965 if (status == RPC_STATUS_CANCEL) {
3966 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
3967 free_mount_cb_data(data);
3968 return;
3969 }
3970
5c6b1176 3971 if (rpc_pmap_getport_async(rpc, MOUNT_PROGRAM, MOUNT_V3, IPPROTO_TCP, mount_export_3_cb, private_data) != 0) {
7f0242ca
RS		 3972 data->cb(rpc, -ENOMEM, command_data, data->private_data);
3973 free_mount_cb_data(data);
3974 return;
3975 }
3976}
3977
3978static void mount_export_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
3979{
3980 struct mount_cb_data *data = private_data;
3981
f3a75078
RS		 3982 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3983
14a062eb
RS		 3984 /* Dont want any more callbacks even if the socket is closed */
3985 rpc->connect_cb = NULL;
3986
7f0242ca
RS		 3987 if (status == RPC_STATUS_ERROR) {
3988 data->cb(rpc, -EFAULT, command_data, data->private_data);
3989 free_mount_cb_data(data);
3990 return;
3991 }
3992 if (status == RPC_STATUS_CANCEL) {
3993 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
3994 free_mount_cb_data(data);
3995 return;
3996 }
3997
3998 if (rpc_pmap_null_async(rpc, mount_export_2_cb, data) != 0) {
3999 data->cb(rpc, -ENOMEM, command_data, data->private_data);
4000 free_mount_cb_data(data);
4001 return;
4002 }
4003}
4004
4005int mount_getexports_async(struct rpc_context *rpc, const char *server, rpc_cb cb, void *private_data)
4006{
4007 struct mount_cb_data *data;
4008
f3a75078
RS		 4009 assert(rpc->magic == RPC_CONTEXT_MAGIC);
4010
7f0242ca
RS		 4011 data = malloc(sizeof(struct mount_cb_data));
4012 if (data == NULL) {
4013 return -1;
4014 }
ea98629a 4015 memset(data, 0, sizeof(struct mount_cb_data));
7f0242ca
RS		 4016 data->cb = cb;
4017 data->private_data = private_data;
4018 data->server = strdup(server);
4019 if (data->server == NULL) {
4020 free_mount_cb_data(data);
4021 return -1;
4022 }
4023 if (rpc_connect_async(rpc, data->server, 111, mount_export_1_cb, data) != 0) {
4024 free_mount_cb_data(data);
4025 return -1;
4026 }
4027
4028 return 0;
4029}
4030
df5af25f
RS		 4031struct rpc_context *nfs_get_rpc_context(struct nfs_context *nfs)
4032{
f3a75078 4033 assert(nfs->rpc->magic == RPC_CONTEXT_MAGIC);
df5af25f
RS		 4034 return nfs->rpc;
4035}
4036
b077fdeb
RS		 4037const char *nfs_get_server(struct nfs_context *nfs) {
4038 return nfs->server;
4039}
4040
4041const char *nfs_get_export(struct nfs_context *nfs) {
4042 return nfs->export;
4043}
0ad9a1f1 4044
8724c833
RS		 4045const struct nfs_fh3 *nfs_get_rootfh(struct nfs_context *nfs) {
4046 return &nfs->rootfh;
4047}
fa3c25be
RS		 4048
4049struct nfs_fh3 *nfs_get_fh(struct nfsfh *nfsfh) {
4050 return &nfsfh->fh;
4051}
libnfs Piment Noir Debian package repository