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