2 Copyright (C) 2010 by Ronnie Sahlberg <ronniesahlberg@gmail.com>
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.
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.
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/>.
18 * High level api to nfs filesystems
28 #include <sys/types.h>
30 #include <sys/statvfs.h>
35 #include "libnfs-raw.h"
36 #include "libnfs-raw-mount.h"
37 #include "libnfs-raw-nfs.h"
38 #include "libnfs-private.h"
41 struct nfsdirent
*entries
;
42 struct nfsdirent
*current
;
52 struct rpc_context
*rpc
;
55 struct nfs_fh3 rootfh
;
60 void nfs_free_nfsdir(struct nfsdir
*nfsdir
)
62 while (nfsdir
->entries
) {
63 struct nfsdirent
*dirent
= nfsdir
->entries
->next
;
64 if (nfsdir
->entries
->name
!= NULL
) {
65 free(nfsdir
->entries
->name
);
67 free(nfsdir
->entries
);
68 nfsdir
->entries
= dirent
;
74 typedef int (*continue_func
)(struct nfs_context
*nfs
, struct nfs_cb_data
*data
);
77 struct nfs_context
*nfs
;
79 char *saved_path
, *path
;
84 continue_func continue_cb
;
86 void (*free_continue_data
)(void *);
91 /* for multi-read/write calls. */
95 off_t start_offset
, max_offset
;
100 struct nfs_cb_data
*data
;
105 static int nfs_lookup_path_async_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
, struct nfs_fh3
*fh
);
108 void nfs_set_auth(struct nfs_context
*nfs
, struct AUTH
*auth
)
110 rpc_set_auth(nfs
->rpc
, auth
);
113 int nfs_get_fd(struct nfs_context
*nfs
)
115 return rpc_get_fd(nfs
->rpc
);
118 int nfs_which_events(struct nfs_context
*nfs
)
120 return rpc_which_events(nfs
->rpc
);
123 int nfs_service(struct nfs_context
*nfs
, int revents
)
125 return rpc_service(nfs
->rpc
, revents
);
128 char *nfs_get_error(struct nfs_context
*nfs
)
130 return rpc_get_error(nfs
->rpc
);
133 struct nfs_context
*nfs_init_context(void)
135 struct nfs_context
*nfs
;
137 nfs
= malloc(sizeof(struct nfs_context
));
141 nfs
->rpc
= rpc_init_context();
142 if (nfs
->rpc
== NULL
) {
150 nfs
->rootfh
.data
.data_len
= 0;
151 nfs
->rootfh
.data
.data_val
= NULL
;
156 void nfs_destroy_context(struct nfs_context
*nfs
)
158 rpc_destroy_context(nfs
->rpc
);
171 if (nfs
->rootfh
.data
.data_val
!= NULL
) {
172 free(nfs
->rootfh
.data
.data_val
);
173 nfs
->rootfh
.data
.data_val
= NULL
;
179 void free_nfs_cb_data(struct nfs_cb_data
*data
)
181 if (data
->saved_path
!= NULL
) {
182 free(data
->saved_path
);
183 data
->saved_path
= NULL
;
186 if (data
->continue_data
!= NULL
) {
187 data
->free_continue_data(data
->continue_data
);
188 data
->continue_data
= NULL
;
191 if (data
->fh
.data
.data_val
!= NULL
) {
192 free(data
->fh
.data
.data_val
);
193 data
->fh
.data
.data_val
= NULL
;
196 if (data
->buffer
!= NULL
) {
208 static void nfs_mount_10_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
210 struct nfs_cb_data
*data
= private_data
;
211 struct nfs_context
*nfs
= data
->nfs
;
213 if (status
== RPC_STATUS_ERROR
) {
214 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
215 free_nfs_cb_data(data
);
218 if (status
== RPC_STATUS_CANCEL
) {
219 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
220 free_nfs_cb_data(data
);
224 data
->cb(0, nfs
, NULL
, data
->private_data
);
225 free_nfs_cb_data(data
);
228 static void nfs_mount_9_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
230 struct nfs_cb_data
*data
= private_data
;
231 struct nfs_context
*nfs
= data
->nfs
;
232 FSINFO3res
*res
= command_data
;
234 if (status
== RPC_STATUS_ERROR
) {
235 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
236 free_nfs_cb_data(data
);
239 if (status
== RPC_STATUS_CANCEL
) {
240 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
241 free_nfs_cb_data(data
);
245 nfs
->readmax
= res
->FSINFO3res_u
.resok
.rtmax
;
246 nfs
->writemax
= res
->FSINFO3res_u
.resok
.wtmax
;
248 if (rpc_nfs_getattr_async(rpc
, nfs_mount_10_cb
, &nfs
->rootfh
, data
) != 0) {
249 data
->cb(-ENOMEM
, nfs
, command_data
, data
->private_data
);
250 free_nfs_cb_data(data
);
255 static void nfs_mount_8_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
257 struct nfs_cb_data
*data
= private_data
;
258 struct nfs_context
*nfs
= data
->nfs
;
260 if (status
== RPC_STATUS_ERROR
) {
261 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
262 free_nfs_cb_data(data
);
265 if (status
== RPC_STATUS_CANCEL
) {
266 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
267 free_nfs_cb_data(data
);
271 if (rpc_nfs_fsinfo_async(rpc
, nfs_mount_9_cb
, &nfs
->rootfh
, data
) != 0) {
272 data
->cb(-ENOMEM
, nfs
, command_data
, data
->private_data
);
273 free_nfs_cb_data(data
);
279 static void nfs_mount_7_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
281 struct nfs_cb_data
*data
= private_data
;
282 struct nfs_context
*nfs
= data
->nfs
;
284 if (status
== RPC_STATUS_ERROR
) {
285 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
286 free_nfs_cb_data(data
);
289 if (status
== RPC_STATUS_CANCEL
) {
290 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
291 free_nfs_cb_data(data
);
295 if (rpc_nfs_null_async(rpc
, nfs_mount_8_cb
, data
) != 0) {
296 data
->cb(-ENOMEM
, nfs
, command_data
, data
->private_data
);
297 free_nfs_cb_data(data
);
303 static void nfs_mount_6_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
305 struct nfs_cb_data
*data
= private_data
;
306 struct nfs_context
*nfs
= data
->nfs
;
309 if (status
== RPC_STATUS_ERROR
) {
310 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
311 free_nfs_cb_data(data
);
314 if (status
== RPC_STATUS_CANCEL
) {
315 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
316 free_nfs_cb_data(data
);
321 if (res
->fhs_status
!= MNT3_OK
) {
322 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
));
323 data
->cb(mountstat3_to_errno(res
->fhs_status
), nfs
, rpc_get_error(rpc
), data
->private_data
);
324 free_nfs_cb_data(data
);
328 nfs
->rootfh
.data
.data_len
= res
->mountres3_u
.mountinfo
.fhandle
.fhandle3_len
;
329 nfs
->rootfh
.data
.data_val
= malloc(nfs
->rootfh
.data
.data_len
);
330 if (nfs
->rootfh
.data
.data_val
== NULL
) {
331 rpc_set_error(rpc
, "Out of memory. Could not allocate memory to store root filehandle");
332 data
->cb(-ENOMEM
, nfs
, rpc_get_error(rpc
), data
->private_data
);
333 free_nfs_cb_data(data
);
336 memcpy(nfs
->rootfh
.data
.data_val
, res
->mountres3_u
.mountinfo
.fhandle
.fhandle3_val
, nfs
->rootfh
.data
.data_len
);
338 rpc_disconnect(rpc
, "normal disconnect");
339 if (rpc_connect_async(rpc
, nfs
->server
, 2049, nfs_mount_7_cb
, data
) != 0) {
340 data
->cb(-ENOMEM
, nfs
, command_data
, data
->private_data
);
341 free_nfs_cb_data(data
);
347 static void nfs_mount_5_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
349 struct nfs_cb_data
*data
= private_data
;
350 struct nfs_context
*nfs
= data
->nfs
;
352 if (status
== RPC_STATUS_ERROR
) {
353 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
354 free_nfs_cb_data(data
);
357 if (status
== RPC_STATUS_CANCEL
) {
358 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
359 free_nfs_cb_data(data
);
363 if (rpc_mount_mnt_async(rpc
, nfs_mount_6_cb
, nfs
->export
, data
) != 0) {
364 data
->cb(-ENOMEM
, nfs
, command_data
, data
->private_data
);
365 free_nfs_cb_data(data
);
370 static void nfs_mount_4_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
372 struct nfs_cb_data
*data
= private_data
;
373 struct nfs_context
*nfs
= data
->nfs
;
375 if (status
== RPC_STATUS_ERROR
) {
376 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
377 free_nfs_cb_data(data
);
380 if (status
== RPC_STATUS_CANCEL
) {
381 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
382 free_nfs_cb_data(data
);
386 if (rpc_mount_null_async(rpc
, nfs_mount_5_cb
, data
) != 0) {
387 data
->cb(-ENOMEM
, nfs
, command_data
, data
->private_data
);
388 free_nfs_cb_data(data
);
393 static void nfs_mount_3_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
395 struct nfs_cb_data
*data
= private_data
;
396 struct nfs_context
*nfs
= data
->nfs
;
399 if (status
== RPC_STATUS_ERROR
) {
400 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
401 free_nfs_cb_data(data
);
404 if (status
== RPC_STATUS_CANCEL
) {
405 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
406 free_nfs_cb_data(data
);
410 mount_port
= *(uint32_t *)command_data
;
411 if (mount_port
== 0) {
412 rpc_set_error(rpc
, "RPC error. Mount program is not available on %s", nfs
->server
);
413 data
->cb(-ENOENT
, nfs
, command_data
, data
->private_data
);
414 free_nfs_cb_data(data
);
418 rpc_disconnect(rpc
, "normal disconnect");
419 if (rpc_connect_async(rpc
, nfs
->server
, mount_port
, nfs_mount_4_cb
, data
) != 0) {
420 data
->cb(-ENOMEM
, nfs
, command_data
, data
->private_data
);
421 free_nfs_cb_data(data
);
427 static void nfs_mount_2_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
429 struct nfs_cb_data
*data
= private_data
;
430 struct nfs_context
*nfs
= data
->nfs
;
432 if (status
== RPC_STATUS_ERROR
) {
433 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
434 free_nfs_cb_data(data
);
437 if (status
== RPC_STATUS_CANCEL
) {
438 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
439 free_nfs_cb_data(data
);
443 if (rpc_pmap_getport_async(rpc
, MOUNT_PROGRAM
, MOUNT_V3
, nfs_mount_3_cb
, private_data
) != 0) {
444 data
->cb(-ENOMEM
, nfs
, command_data
, data
->private_data
);
445 free_nfs_cb_data(data
);
450 static void nfs_mount_1_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
452 struct nfs_cb_data
*data
= private_data
;
453 struct nfs_context
*nfs
= data
->nfs
;
455 if (status
== RPC_STATUS_ERROR
) {
456 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
457 free_nfs_cb_data(data
);
460 if (status
== RPC_STATUS_CANCEL
) {
461 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
462 free_nfs_cb_data(data
);
466 if (rpc_pmap_null_async(rpc
, nfs_mount_2_cb
, data
) != 0) {
467 data
->cb(-ENOMEM
, nfs
, command_data
, data
->private_data
);
468 free_nfs_cb_data(data
);
474 * Async call for mounting an nfs share and geting the root filehandle
476 int nfs_mount_async(struct nfs_context
*nfs
, const char *server
, const char *export
, nfs_cb cb
, void *private_data
)
478 struct nfs_cb_data
*data
;
479 char *new_server
, *new_export
;
481 data
= malloc(sizeof(struct nfs_cb_data
));
483 rpc_set_error(nfs
->rpc
, "out of memory. failed to allocate memory for nfs mount data");
486 bzero(data
, sizeof(struct nfs_cb_data
));
487 new_server
= strdup(server
);
488 new_export
= strdup(export
);
489 if (nfs
->server
!= NULL
) {
493 nfs
->server
= new_server
;
494 if (nfs
->export
!= NULL
) {
498 nfs
->export
= new_export
;
501 data
->private_data
= private_data
;
503 if (rpc_connect_async(nfs
->rpc
, server
, 111, nfs_mount_1_cb
, data
) != 0) {
504 rpc_set_error(nfs
->rpc
, "Failed to start connection");
505 free_nfs_cb_data(data
);
515 * Functions to first look up a path, component by component, and then finally call a specific function once
516 * the filehandle for the final component is found.
518 static void nfs_lookup_path_1_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
520 struct nfs_cb_data
*data
= private_data
;
521 struct nfs_context
*nfs
= data
->nfs
;
524 if (status
== RPC_STATUS_ERROR
) {
525 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
526 free_nfs_cb_data(data
);
529 if (status
== RPC_STATUS_CANCEL
) {
530 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
531 free_nfs_cb_data(data
);
536 if (res
->status
!= NFS3_OK
) {
537 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
));
538 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
539 free_nfs_cb_data(data
);
543 if (nfs_lookup_path_async_internal(nfs
, data
, &res
->LOOKUP3res_u
.resok
.object
) != 0) {
544 rpc_set_error(nfs
->rpc
, "Failed to create lookup pdu");
545 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
546 free_nfs_cb_data(data
);
551 static int nfs_lookup_path_async_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
, struct nfs_fh3
*fh
)
555 while (*data
->path
== '/') {
560 str
= strchr(path
, '/');
565 while (*data
->path
!= 0) {
571 data
->fh
.data
.data_len
= fh
->data
.data_len
;
572 data
->fh
.data
.data_val
= malloc(data
->fh
.data
.data_len
);
573 if (data
->fh
.data
.data_val
== NULL
) {
574 rpc_set_error(nfs
->rpc
, "Out of memory: Failed to allocate fh for %s", data
->path
);
575 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
576 free_nfs_cb_data(data
);
579 memcpy(data
->fh
.data
.data_val
, fh
->data
.data_val
, data
->fh
.data
.data_len
);
580 data
->continue_cb(nfs
, data
);
584 if (rpc_nfs_lookup_async(nfs
->rpc
, nfs_lookup_path_1_cb
, fh
, path
, data
) != 0) {
585 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send lookup call for %s", data
->path
);
586 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
587 free_nfs_cb_data(data
);
593 static 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
)
595 struct nfs_cb_data
*data
;
597 if (path
[0] != '/') {
598 rpc_set_error(nfs
->rpc
, "Pathname is not absulute %s", path
);
602 data
= malloc(sizeof(struct nfs_cb_data
));
604 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_cb_data structure");
607 bzero(data
, sizeof(struct nfs_cb_data
));
610 data
->continue_cb
= continue_cb
;
611 data
->continue_data
= continue_data
;
612 data
->free_continue_data
= free_continue_data
;
613 data
->continue_int
= continue_int
;
614 data
->private_data
= private_data
;
615 data
->saved_path
= strdup(path
);
616 if (data
->saved_path
== NULL
) {
617 rpc_set_error(nfs
->rpc
, "out of memory: failed to copy path string");
618 free_nfs_cb_data(data
);
621 data
->path
= data
->saved_path
;
623 if (nfs_lookup_path_async_internal(nfs
, data
, &nfs
->rootfh
) != 0) {
624 /* return 0 here since the callback will be invoked if there is a failure */
637 static void nfs_stat_1_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
640 struct nfs_cb_data
*data
= private_data
;
641 struct nfs_context
*nfs
= data
->nfs
;
644 if (status
== RPC_STATUS_ERROR
) {
645 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
646 free_nfs_cb_data(data
);
649 if (status
== RPC_STATUS_CANCEL
) {
650 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
651 free_nfs_cb_data(data
);
656 if (res
->status
!= NFS3_OK
) {
657 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
));
658 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
659 free_nfs_cb_data(data
);
664 st
.st_ino
= res
->GETATTR3res_u
.resok
.obj_attributes
.fileid
;
665 st
.st_mode
= res
->GETATTR3res_u
.resok
.obj_attributes
.mode
;
666 if (res
->GETATTR3res_u
.resok
.obj_attributes
.type
== NF3DIR
) {
667 st
.st_mode
|= S_IFDIR
;
669 st
.st_nlink
= res
->GETATTR3res_u
.resok
.obj_attributes
.nlink
;
670 st
.st_uid
= res
->GETATTR3res_u
.resok
.obj_attributes
.uid
;
671 st
.st_gid
= res
->GETATTR3res_u
.resok
.obj_attributes
.gid
;
673 st
.st_size
= res
->GETATTR3res_u
.resok
.obj_attributes
.size
;
674 st
.st_blksize
= 4096;
675 st
.st_blocks
= res
->GETATTR3res_u
.resok
.obj_attributes
.size
/ 4096;
676 st
.st_atime
= res
->GETATTR3res_u
.resok
.obj_attributes
.atime
.seconds
;
677 st
.st_mtime
= res
->GETATTR3res_u
.resok
.obj_attributes
.mtime
.seconds
;
678 st
.st_ctime
= res
->GETATTR3res_u
.resok
.obj_attributes
.ctime
.seconds
;
680 data
->cb(0, nfs
, &st
, data
->private_data
);
681 free_nfs_cb_data(data
);
684 static int nfs_stat_continue_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
686 if (rpc_nfs_getattr_async(nfs
->rpc
, nfs_stat_1_cb
, &data
->fh
, data
) != 0) {
687 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send STAT GETATTR call for %s", data
->path
);
688 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
689 free_nfs_cb_data(data
);
695 int nfs_stat_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
697 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_stat_continue_internal
, NULL
, NULL
, 0) != 0) {
698 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
712 static void nfs_open_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
715 struct nfs_cb_data
*data
= private_data
;
716 struct nfs_context
*nfs
= data
->nfs
;
718 unsigned int nfsmode
= 0;
720 if (status
== RPC_STATUS_ERROR
) {
721 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
722 free_nfs_cb_data(data
);
725 if (status
== RPC_STATUS_CANCEL
) {
726 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
727 free_nfs_cb_data(data
);
732 if (res
->status
!= NFS3_OK
) {
733 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
));
734 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
735 free_nfs_cb_data(data
);
739 if (data
->continue_int
& O_WRONLY
) {
740 nfsmode
|= ACCESS3_MODIFY
;
742 if (data
->continue_int
& O_RDWR
) {
743 nfsmode
|= ACCESS3_READ
|ACCESS3_MODIFY
;
745 if (!(data
->continue_int
& (O_WRONLY
|O_RDWR
))) {
746 nfsmode
|= ACCESS3_READ
;
750 if (res
->ACCESS3res_u
.resok
.access
!= nfsmode
) {
751 rpc_set_error(nfs
->rpc
, "NFS: ACCESS denied. Required access %c%c%c. Allowed access %c%c%c",
752 nfsmode
&ACCESS3_READ
?'r':'-',
753 nfsmode
&ACCESS3_MODIFY
?'w':'-',
754 nfsmode
&ACCESS3_EXECUTE
?'x':'-',
755 res
->ACCESS3res_u
.resok
.access
&ACCESS3_READ
?'r':'-',
756 res
->ACCESS3res_u
.resok
.access
&ACCESS3_MODIFY
?'w':'-',
757 res
->ACCESS3res_u
.resok
.access
&ACCESS3_EXECUTE
?'x':'-');
758 data
->cb(-EACCES
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
759 free_nfs_cb_data(data
);
763 nfsfh
= malloc(sizeof(struct nfsfh
));
765 rpc_set_error(nfs
->rpc
, "NFS: Failed to allocate nfsfh structure");
766 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
767 free_nfs_cb_data(data
);
770 bzero(nfsfh
, sizeof(struct nfsfh
));
772 if (data
->continue_int
& O_SYNC
) {
776 /* steal the filehandle */
777 nfsfh
->fh
.data
.data_len
= data
->fh
.data
.data_len
;
778 nfsfh
->fh
.data
.data_val
= data
->fh
.data
.data_val
;
779 data
->fh
.data
.data_val
= NULL
;
781 data
->cb(0, nfs
, nfsfh
, data
->private_data
);
782 free_nfs_cb_data(data
);
785 static int nfs_open_continue_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
789 if (data
->continue_int
& O_WRONLY
) {
790 nfsmode
|= ACCESS3_MODIFY
;
792 if (data
->continue_int
& O_RDWR
) {
793 nfsmode
|= ACCESS3_READ
|ACCESS3_MODIFY
;
795 if (!(data
->continue_int
& (O_WRONLY
|O_RDWR
))) {
796 nfsmode
|= ACCESS3_READ
;
799 if (rpc_nfs_access_async(nfs
->rpc
, nfs_open_cb
, &data
->fh
, nfsmode
, data
) != 0) {
800 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send OPEN ACCESS call for %s", data
->path
);
801 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
802 free_nfs_cb_data(data
);
808 int nfs_open_async(struct nfs_context
*nfs
, const char *path
, int mode
, nfs_cb cb
, void *private_data
)
810 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_open_continue_internal
, NULL
, NULL
, mode
) != 0) {
811 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
825 static void nfs_pread_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
827 struct nfs_cb_data
*data
= private_data
;
828 struct nfs_context
*nfs
= data
->nfs
;
831 if (status
== RPC_STATUS_ERROR
) {
832 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
833 free_nfs_cb_data(data
);
836 if (status
== RPC_STATUS_CANCEL
) {
837 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
838 free_nfs_cb_data(data
);
843 if (res
->status
!= NFS3_OK
) {
844 rpc_set_error(nfs
->rpc
, "NFS: Read failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
845 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
846 free_nfs_cb_data(data
);
850 data
->nfsfh
->offset
+= res
->READ3res_u
.resok
.count
;
851 data
->cb(res
->READ3res_u
.resok
.count
, nfs
, res
->READ3res_u
.resok
.data
.data_val
, data
->private_data
);
852 free_nfs_cb_data(data
);
855 static void nfs_pread_mcb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
857 struct nfs_mcb_data
*mdata
= private_data
;
858 struct nfs_cb_data
*data
= mdata
->data
;
859 struct nfs_context
*nfs
= data
->nfs
;
864 if (status
== RPC_STATUS_ERROR
) {
865 /* flag the failure but do not invoke callback until we have received all responses */
868 if (status
== RPC_STATUS_CANCEL
) {
869 /* flag the cancellation but do not invoke callback until we have received all responses */
873 /* reassemble the data into the buffer */
874 if (status
== RPC_STATUS_SUCCESS
) {
876 if (res
->status
!= NFS3_OK
) {
877 rpc_set_error(nfs
->rpc
, "NFS: Read failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
880 if (res
->READ3res_u
.resok
.count
> 0) {
881 memcpy(&data
->buffer
[mdata
->offset
- data
->start_offset
], res
->READ3res_u
.resok
.data
.data_val
, res
->READ3res_u
.resok
.count
);
882 if ((unsigned)data
->max_offset
< mdata
->offset
+ res
->READ3res_u
.resok
.count
) {
883 data
->max_offset
= mdata
->offset
+ res
->READ3res_u
.resok
.count
;
889 if (data
->num_calls
> 0) {
890 /* still waiting for more replies */
895 if (data
->error
!= 0) {
896 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
897 free_nfs_cb_data(data
);
901 if (data
->cancel
!= 0) {
902 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
903 free_nfs_cb_data(data
);
908 data
->nfsfh
->offset
= data
->max_offset
;
909 data
->cb(data
->max_offset
- data
->start_offset
, nfs
, data
->buffer
, data
->private_data
);
911 free_nfs_cb_data(data
);
915 int nfs_pread_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, off_t offset
, size_t count
, nfs_cb cb
, void *private_data
)
917 struct nfs_cb_data
*data
;
919 data
= malloc(sizeof(struct nfs_cb_data
));
921 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_cb_data structure");
924 bzero(data
, sizeof(struct nfs_cb_data
));
927 data
->private_data
= private_data
;
930 nfsfh
->offset
= offset
;
932 if (count
<= nfs_get_readmax(nfs
)) {
933 if (rpc_nfs_read_async(nfs
->rpc
, nfs_pread_cb
, &nfsfh
->fh
, offset
, count
, data
) != 0) {
934 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READ call for %s", data
->path
);
935 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
936 free_nfs_cb_data(data
);
942 /* trying to read more than maximum server read size, we has to chop it up into smaller
943 * reads and collect into a reassembly buffer.
944 * we send all reads in parallell so that performance is still good.
946 data
->max_offset
= offset
;
947 data
->start_offset
= offset
;
949 data
->buffer
= malloc(count
);
950 if (data
->buffer
== NULL
) {
951 rpc_set_error(nfs
->rpc
, "Out-Of-Memory: Failed to allocate reassembly buffer for %d bytes", (int)count
);
952 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
953 free_nfs_cb_data(data
);
958 size_t readcount
= count
;
959 struct nfs_mcb_data
*mdata
;
961 if (readcount
> nfs_get_readmax(nfs
)) {
962 readcount
= nfs_get_readmax(nfs
);
965 mdata
= malloc(sizeof(struct nfs_mcb_data
));
967 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_mcb_data structure");
970 bzero(mdata
, sizeof(struct nfs_mcb_data
));
972 mdata
->offset
= offset
;
973 mdata
->count
= readcount
;
974 if (rpc_nfs_read_async(nfs
->rpc
, nfs_pread_mcb
, &nfsfh
->fh
, offset
, readcount
, mdata
) != 0) {
975 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READ call for %s", data
->path
);
976 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
992 int nfs_read_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, size_t count
, nfs_cb cb
, void *private_data
)
994 return nfs_pread_async(nfs
, nfsfh
, nfsfh
->offset
, count
, cb
, private_data
);
1002 static void nfs_pwrite_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
1004 struct nfs_cb_data
*data
= private_data
;
1005 struct nfs_context
*nfs
= data
->nfs
;
1008 if (status
== RPC_STATUS_ERROR
) {
1009 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1010 free_nfs_cb_data(data
);
1013 if (status
== RPC_STATUS_CANCEL
) {
1014 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1015 free_nfs_cb_data(data
);
1020 if (res
->status
!= NFS3_OK
) {
1021 rpc_set_error(nfs
->rpc
, "NFS: Write failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
1022 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1023 free_nfs_cb_data(data
);
1027 data
->nfsfh
->offset
+= res
->WRITE3res_u
.resok
.count
;
1028 data
->cb(res
->WRITE3res_u
.resok
.count
, nfs
, NULL
, data
->private_data
);
1029 free_nfs_cb_data(data
);
1032 int nfs_pwrite_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, off_t offset
, size_t count
, char *buf
, nfs_cb cb
, void *private_data
)
1034 struct nfs_cb_data
*data
;
1036 data
= malloc(sizeof(struct nfs_cb_data
));
1038 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_cb_data structure");
1041 bzero(data
, sizeof(struct nfs_cb_data
));
1044 data
->private_data
= private_data
;
1045 data
->nfsfh
= nfsfh
;
1047 nfsfh
->offset
= offset
;
1048 if (rpc_nfs_write_async(nfs
->rpc
, nfs_pwrite_cb
, &nfsfh
->fh
, buf
, offset
, count
, nfsfh
->is_sync
?FILE_SYNC
:UNSTABLE
, data
) != 0) {
1049 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send WRITE call for %s", data
->path
);
1050 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1051 free_nfs_cb_data(data
);
1060 int nfs_write_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, size_t count
, char *buf
, nfs_cb cb
, void *private_data
)
1062 return nfs_pwrite_async(nfs
, nfsfh
, nfsfh
->offset
, count
, buf
, cb
, private_data
);
1072 int nfs_close_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, nfs_cb cb
, void *private_data
)
1074 if (nfsfh
->fh
.data
.data_val
!= NULL
){
1075 free(nfsfh
->fh
.data
.data_val
);
1076 nfsfh
->fh
.data
.data_val
= NULL
;
1080 cb(0, nfs
, NULL
, private_data
);
1091 int nfs_fstat_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, nfs_cb cb
, void *private_data
)
1093 struct nfs_cb_data
*data
;
1095 data
= malloc(sizeof(struct nfs_cb_data
));
1097 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_cb_data structure");
1100 bzero(data
, sizeof(struct nfs_cb_data
));
1103 data
->private_data
= private_data
;
1105 if (rpc_nfs_getattr_async(nfs
->rpc
, nfs_stat_1_cb
, &nfsfh
->fh
, data
) != 0) {
1106 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send STAT GETATTR call for %s", data
->path
);
1107 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1108 free_nfs_cb_data(data
);
1119 static void nfs_fsync_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
1121 struct nfs_cb_data
*data
= private_data
;
1122 struct nfs_context
*nfs
= data
->nfs
;
1125 if (status
== RPC_STATUS_ERROR
) {
1126 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1127 free_nfs_cb_data(data
);
1130 if (status
== RPC_STATUS_CANCEL
) {
1131 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1132 free_nfs_cb_data(data
);
1137 if (res
->status
!= NFS3_OK
) {
1138 rpc_set_error(nfs
->rpc
, "NFS: Commit failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
1139 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1140 free_nfs_cb_data(data
);
1144 data
->cb(0, nfs
, NULL
, data
->private_data
);
1145 free_nfs_cb_data(data
);
1148 int nfs_fsync_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, nfs_cb cb
, void *private_data
)
1150 struct nfs_cb_data
*data
;
1152 data
= malloc(sizeof(struct nfs_cb_data
));
1154 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_cb_data structure");
1157 bzero(data
, sizeof(struct nfs_cb_data
));
1160 data
->private_data
= private_data
;
1162 if (rpc_nfs_commit_async(nfs
->rpc
, nfs_fsync_cb
, &nfsfh
->fh
, data
) != 0) {
1163 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send COMMIT call for %s", data
->path
);
1164 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1165 free_nfs_cb_data(data
);
1177 static void nfs_ftruncate_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
1179 struct nfs_cb_data
*data
= private_data
;
1180 struct nfs_context
*nfs
= data
->nfs
;
1183 if (status
== RPC_STATUS_ERROR
) {
1184 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1185 free_nfs_cb_data(data
);
1188 if (status
== RPC_STATUS_CANCEL
) {
1189 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1190 free_nfs_cb_data(data
);
1195 if (res
->status
!= NFS3_OK
) {
1196 rpc_set_error(nfs
->rpc
, "NFS: Setattr failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
1197 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1198 free_nfs_cb_data(data
);
1202 data
->cb(0, nfs
, NULL
, data
->private_data
);
1203 free_nfs_cb_data(data
);
1206 int nfs_ftruncate_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, off_t length
, nfs_cb cb
, void *private_data
)
1208 struct nfs_cb_data
*data
;
1211 data
= malloc(sizeof(struct nfs_cb_data
));
1213 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_cb_data structure");
1216 bzero(data
, sizeof(struct nfs_cb_data
));
1219 data
->private_data
= private_data
;
1221 bzero(&args
, sizeof(SETATTR3args
));
1222 args
.object
.data
.data_len
= nfsfh
->fh
.data
.data_len
;
1223 args
.object
.data
.data_val
= nfsfh
->fh
.data
.data_val
;
1224 args
.new_attributes
.size
.set_it
= 1;
1225 args
.new_attributes
.size
.set_size3_u
.size
= length
;
1227 if (rpc_nfs_setattr_async(nfs
->rpc
, nfs_ftruncate_cb
, &args
, data
) != 0) {
1228 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SETATTR call for %s", data
->path
);
1229 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1230 free_nfs_cb_data(data
);
1240 static int nfs_truncate_continue_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
1242 off_t offset
= data
->continue_int
;
1245 nfsfh
.fh
.data
.data_val
= data
->fh
.data
.data_val
;
1246 nfsfh
.fh
.data
.data_len
= data
->fh
.data
.data_len
;
1248 if (nfs_ftruncate_async(nfs
, &nfsfh
, offset
, data
->cb
, data
->private_data
) != 0) {
1249 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SETATTR call for %s", data
->path
);
1250 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1251 free_nfs_cb_data(data
);
1254 free_nfs_cb_data(data
);
1258 int nfs_truncate_async(struct nfs_context
*nfs
, const char *path
, off_t length
, nfs_cb cb
, void *private_data
)
1264 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_truncate_continue_internal
, NULL
, NULL
, offset
) != 0) {
1265 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
1278 static void nfs_mkdir_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
1281 struct nfs_cb_data
*data
= private_data
;
1282 struct nfs_context
*nfs
= data
->nfs
;
1283 char *str
= data
->continue_data
;
1285 str
= &str
[strlen(str
) + 1];
1287 if (status
== RPC_STATUS_ERROR
) {
1288 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1289 free_nfs_cb_data(data
);
1292 if (status
== RPC_STATUS_CANCEL
) {
1293 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1294 free_nfs_cb_data(data
);
1299 if (res
->status
!= NFS3_OK
) {
1300 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
));
1301 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1302 free_nfs_cb_data(data
);
1306 data
->cb(0, nfs
, NULL
, data
->private_data
);
1307 free_nfs_cb_data(data
);
1310 static int nfs_mkdir_continue_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
1312 char *str
= data
->continue_data
;
1314 str
= &str
[strlen(str
) + 1];
1316 if (rpc_nfs_mkdir_async(nfs
->rpc
, nfs_mkdir_cb
, &data
->fh
, str
, data
) != 0) {
1317 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send MKDIR call for %s", data
->path
);
1318 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1319 free_nfs_cb_data(data
);
1325 int nfs_mkdir_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
1330 new_path
= strdup(path
);
1331 if (new_path
== NULL
) {
1332 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for path");
1336 ptr
= strrchr(new_path
, '/');
1338 rpc_set_error(nfs
->rpc
, "Invalid path %s", path
);
1343 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
1344 if (nfs_lookuppath_async(nfs
, new_path
, cb
, private_data
, nfs_mkdir_continue_internal
, new_path
, free
, 0) != 0) {
1345 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path component");
1359 static void nfs_rmdir_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
1362 struct nfs_cb_data
*data
= private_data
;
1363 struct nfs_context
*nfs
= data
->nfs
;
1364 char *str
= data
->continue_data
;
1366 str
= &str
[strlen(str
) + 1];
1368 if (status
== RPC_STATUS_ERROR
) {
1369 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1370 free_nfs_cb_data(data
);
1373 if (status
== RPC_STATUS_CANCEL
) {
1374 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1375 free_nfs_cb_data(data
);
1380 if (res
->status
!= NFS3_OK
) {
1381 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
));
1382 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1383 free_nfs_cb_data(data
);
1387 data
->cb(0, nfs
, NULL
, data
->private_data
);
1388 free_nfs_cb_data(data
);
1391 static int nfs_rmdir_continue_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
1393 char *str
= data
->continue_data
;
1395 str
= &str
[strlen(str
) + 1];
1397 if (rpc_nfs_rmdir_async(nfs
->rpc
, nfs_rmdir_cb
, &data
->fh
, str
, data
) != 0) {
1398 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send RMDIR call for %s", data
->path
);
1399 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1400 free_nfs_cb_data(data
);
1406 int nfs_rmdir_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
1411 new_path
= strdup(path
);
1412 if (new_path
== NULL
) {
1413 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for path");
1417 ptr
= strrchr(new_path
, '/');
1419 rpc_set_error(nfs
->rpc
, "Invalid path %s", path
);
1424 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
1425 if (nfs_lookuppath_async(nfs
, new_path
, cb
, private_data
, nfs_rmdir_continue_internal
, new_path
, free
, 0) != 0) {
1426 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
1439 static void nfs_create_2_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
1442 struct nfs_cb_data
*data
= private_data
;
1443 struct nfs_context
*nfs
= data
->nfs
;
1444 struct nfsfh
*nfsfh
;
1445 char *str
= data
->continue_data
;
1447 if (status
== RPC_STATUS_ERROR
) {
1448 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1449 free_nfs_cb_data(data
);
1452 if (status
== RPC_STATUS_CANCEL
) {
1453 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1454 free_nfs_cb_data(data
);
1458 str
= &str
[strlen(str
) + 1];
1460 if (res
->status
!= NFS3_OK
) {
1461 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
));
1462 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1467 nfsfh
= malloc(sizeof(struct nfsfh
));
1468 if (nfsfh
== NULL
) {
1469 rpc_set_error(nfs
->rpc
, "NFS: Failed to allocate nfsfh structure");
1470 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1471 free_nfs_cb_data(data
);
1474 bzero(nfsfh
, sizeof(struct nfsfh
));
1476 /* steal the filehandle */
1477 nfsfh
->fh
.data
.data_len
= data
->fh
.data
.data_len
;
1478 nfsfh
->fh
.data
.data_val
= data
->fh
.data
.data_val
;
1479 data
->fh
.data
.data_val
= NULL
;
1481 data
->cb(0, nfs
, nfsfh
, data
->private_data
);
1482 free_nfs_cb_data(data
);
1487 static void nfs_creat_1_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
1490 struct nfs_cb_data
*data
= private_data
;
1491 struct nfs_context
*nfs
= data
->nfs
;
1492 char *str
= data
->continue_data
;
1494 if (status
== RPC_STATUS_ERROR
) {
1495 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1496 free_nfs_cb_data(data
);
1499 if (status
== RPC_STATUS_CANCEL
) {
1500 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1501 free_nfs_cb_data(data
);
1505 str
= &str
[strlen(str
) + 1];
1507 if (res
->status
!= NFS3_OK
) {
1508 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
));
1509 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1514 if (rpc_nfs_lookup_async(nfs
->rpc
, nfs_create_2_cb
, &data
->fh
, str
, data
) != 0) {
1515 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send lookup call for %s/%s", data
->saved_path
, str
);
1516 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1517 free_nfs_cb_data(data
);
1523 static int nfs_creat_continue_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
1525 char *str
= data
->continue_data
;
1527 str
= &str
[strlen(str
) + 1];
1529 if (rpc_nfs_create_async(nfs
->rpc
, nfs_creat_1_cb
, &data
->fh
, str
, data
->continue_int
, data
) != 0) {
1530 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send CREATE call for %s/%s", data
->path
, str
);
1531 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1532 free_nfs_cb_data(data
);
1538 int nfs_creat_async(struct nfs_context
*nfs
, const char *path
, int mode
, nfs_cb cb
, void *private_data
)
1543 new_path
= strdup(path
);
1544 if (new_path
== NULL
) {
1545 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for path");
1549 ptr
= strrchr(new_path
, '/');
1551 rpc_set_error(nfs
->rpc
, "Invalid path %s", path
);
1556 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
1557 if (nfs_lookuppath_async(nfs
, new_path
, cb
, private_data
, nfs_creat_continue_internal
, new_path
, free
, mode
) != 0) {
1558 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
1571 static void nfs_unlink_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
1574 struct nfs_cb_data
*data
= private_data
;
1575 struct nfs_context
*nfs
= data
->nfs
;
1576 char *str
= data
->continue_data
;
1578 str
= &str
[strlen(str
) + 1];
1580 if (status
== RPC_STATUS_ERROR
) {
1581 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1582 free_nfs_cb_data(data
);
1585 if (status
== RPC_STATUS_CANCEL
) {
1586 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1587 free_nfs_cb_data(data
);
1592 if (res
->status
!= NFS3_OK
) {
1593 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
));
1594 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1595 free_nfs_cb_data(data
);
1599 data
->cb(0, nfs
, NULL
, data
->private_data
);
1600 free_nfs_cb_data(data
);
1603 static int nfs_unlink_continue_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
1605 char *str
= data
->continue_data
;
1607 str
= &str
[strlen(str
) + 1];
1609 if (rpc_nfs_remove_async(nfs
->rpc
, nfs_unlink_cb
, &data
->fh
, str
, data
) != 0) {
1610 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send REMOVE call for %s", data
->path
);
1611 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1612 free_nfs_cb_data(data
);
1618 int nfs_unlink_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
1623 new_path
= strdup(path
);
1624 if (new_path
== NULL
) {
1625 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for path");
1629 ptr
= strrchr(new_path
, '/');
1631 rpc_set_error(nfs
->rpc
, "Invalid path %s", path
);
1636 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
1637 if (nfs_lookuppath_async(nfs
, new_path
, cb
, private_data
, nfs_unlink_continue_internal
, new_path
, free
, 0) != 0) {
1638 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
1652 static void nfs_opendir_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
1654 READDIRPLUS3res
*res
;
1655 struct nfs_cb_data
*data
= private_data
;
1656 struct nfs_context
*nfs
= data
->nfs
;
1657 struct nfsdir
*nfsdir
= data
->continue_data
;;
1658 struct entryplus3
*entry
;
1661 if (status
== RPC_STATUS_ERROR
) {
1662 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1663 nfs_free_nfsdir(nfsdir
);
1664 data
->continue_data
= NULL
;
1665 free_nfs_cb_data(data
);
1668 if (status
== RPC_STATUS_CANCEL
) {
1669 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1670 nfs_free_nfsdir(nfsdir
);
1671 data
->continue_data
= NULL
;
1672 free_nfs_cb_data(data
);
1677 if (res
->status
!= NFS3_OK
) {
1678 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
));
1679 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1680 nfs_free_nfsdir(nfsdir
);
1681 data
->continue_data
= NULL
;
1682 free_nfs_cb_data(data
);
1686 entry
=res
->READDIRPLUS3res_u
.resok
.reply
.entries
;
1687 while (entry
!= NULL
) {
1688 struct nfsdirent
*nfsdirent
;
1690 nfsdirent
= malloc(sizeof(struct nfsdirent
));
1691 if (nfsdirent
== NULL
) {
1692 data
->cb(-ENOMEM
, nfs
, "Failed to allocate dirent", data
->private_data
);
1693 nfs_free_nfsdir(nfsdir
);
1694 data
->continue_data
= NULL
;
1695 free_nfs_cb_data(data
);
1698 bzero(nfsdirent
, sizeof(struct nfsdirent
));
1699 nfsdirent
->name
= strdup(entry
->name
);
1700 if (nfsdirent
->name
== NULL
) {
1701 data
->cb(-ENOMEM
, nfs
, "Failed to allocate dirent->name", data
->private_data
);
1702 nfs_free_nfsdir(nfsdir
);
1703 data
->continue_data
= NULL
;
1704 free_nfs_cb_data(data
);
1707 nfsdirent
->inode
= entry
->fileid
;
1708 if (entry
->name_attributes
.attributes_follow
) {
1709 nfsdirent
->type
= entry
->name_attributes
.post_op_attr_u
.attributes
.type
;
1710 nfsdirent
->mode
= entry
->name_attributes
.post_op_attr_u
.attributes
.mode
;
1711 nfsdirent
->size
= entry
->name_attributes
.post_op_attr_u
.attributes
.size
;
1713 nfsdirent
->atime
.tv_sec
= entry
->name_attributes
.post_op_attr_u
.attributes
.atime
.seconds
;
1714 nfsdirent
->atime
.tv_usec
= entry
->name_attributes
.post_op_attr_u
.attributes
.atime
.nseconds
/1000;
1715 nfsdirent
->mtime
.tv_sec
= entry
->name_attributes
.post_op_attr_u
.attributes
.mtime
.seconds
;
1716 nfsdirent
->mtime
.tv_usec
= entry
->name_attributes
.post_op_attr_u
.attributes
.mtime
.nseconds
/1000;
1717 nfsdirent
->ctime
.tv_sec
= entry
->name_attributes
.post_op_attr_u
.attributes
.ctime
.seconds
;
1718 nfsdirent
->ctime
.tv_usec
= entry
->name_attributes
.post_op_attr_u
.attributes
.ctime
.nseconds
/1000;
1721 nfsdirent
->next
= nfsdir
->entries
;
1722 nfsdir
->entries
= nfsdirent
;
1724 cookie
= entry
->cookie
;
1725 entry
= entry
->nextentry
;
1728 if (res
->READDIRPLUS3res_u
.resok
.reply
.eof
== 0) {
1729 if (rpc_nfs_readdirplus_async(nfs
->rpc
, nfs_opendir_cb
, &data
->fh
, cookie
, res
->READDIRPLUS3res_u
.resok
.cookieverf
, 8192, data
) != 0) {
1730 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READDIRPLUS call for %s", data
->path
);
1731 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1732 nfs_free_nfsdir(nfsdir
);
1733 data
->continue_data
= NULL
;
1734 free_nfs_cb_data(data
);
1740 /* steal the dirhandle */
1741 data
->continue_data
= NULL
;
1742 nfsdir
->current
= nfsdir
->entries
;
1744 data
->cb(0, nfs
, nfsdir
, data
->private_data
);
1745 free_nfs_cb_data(data
);
1748 static int nfs_opendir_continue_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
1752 bzero(cv
, sizeof(cookieverf3
));
1753 if (rpc_nfs_readdirplus_async(nfs
->rpc
, nfs_opendir_cb
, &data
->fh
, 0, (char *)&cv
, 8192, data
) != 0) {
1754 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READDIRPLUS call for %s", data
->path
);
1755 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1756 free_nfs_cb_data(data
);
1762 int nfs_opendir_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
1764 struct nfsdir
*nfsdir
;
1766 nfsdir
= malloc(sizeof(struct nfsdir
));
1767 if (nfsdir
== NULL
) {
1768 rpc_set_error(nfs
->rpc
, "failed to allocate buffer for nfsdir");
1771 bzero(nfsdir
, sizeof(struct nfsdir
));
1773 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_opendir_continue_internal
, nfsdir
, free
, 0) != 0) {
1774 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
1782 struct nfsdirent
*nfs_readdir(struct nfs_context
*nfs _U_
, struct nfsdir
*nfsdir
)
1784 struct nfsdirent
*nfsdirent
= nfsdir
->current
;
1786 if (nfsdir
->current
!= NULL
) {
1787 nfsdir
->current
= nfsdir
->current
->next
;
1793 void nfs_closedir(struct nfs_context
*nfs _U_
, struct nfsdir
*nfsdir
)
1795 nfs_free_nfsdir(nfsdir
);
1807 struct lseek_cb_data
{
1808 struct nfs_context
*nfs
;
1809 struct nfsfh
*nfsfh
;
1815 static void nfs_lseek_1_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
1818 struct lseek_cb_data
*data
= private_data
;
1819 struct nfs_context
*nfs
= data
->nfs
;
1821 if (status
== RPC_STATUS_ERROR
) {
1822 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1826 if (status
== RPC_STATUS_CANCEL
) {
1827 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1833 if (res
->status
!= NFS3_OK
) {
1834 rpc_set_error(nfs
->rpc
, "NFS: GETATTR failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
1835 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1840 data
->nfsfh
->offset
= data
->offset
+ res
->GETATTR3res_u
.resok
.obj_attributes
.size
;
1841 data
->cb(0, nfs
, &data
->nfsfh
->offset
, data
->private_data
);
1845 int nfs_lseek_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, off_t offset
, int whence
, nfs_cb cb
, void *private_data
)
1847 struct lseek_cb_data
*data
;
1849 if (whence
== SEEK_SET
) {
1850 nfsfh
->offset
= offset
;
1851 cb(0, nfs
, &nfsfh
->offset
, private_data
);
1854 if (whence
== SEEK_CUR
) {
1855 nfsfh
->offset
+= offset
;
1856 cb(0, nfs
, &nfsfh
->offset
, private_data
);
1860 data
= malloc(sizeof(struct lseek_cb_data
));
1862 rpc_set_error(nfs
->rpc
, "Out Of Memory: Failed to malloc lseek cb data");
1867 data
->nfsfh
= nfsfh
;
1868 data
->offset
= offset
;
1870 data
->private_data
= private_data
;
1872 if (rpc_nfs_getattr_async(nfs
->rpc
, nfs_lseek_1_cb
, &nfsfh
->fh
, data
) != 0) {
1873 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send LSEEK GETATTR call");
1886 static void nfs_statvfs_1_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
1889 struct nfs_cb_data
*data
= private_data
;
1890 struct nfs_context
*nfs
= data
->nfs
;
1891 struct statvfs svfs
;
1893 if (status
== RPC_STATUS_ERROR
) {
1894 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1895 free_nfs_cb_data(data
);
1898 if (status
== RPC_STATUS_CANCEL
) {
1899 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1900 free_nfs_cb_data(data
);
1905 if (res
->status
!= NFS3_OK
) {
1906 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
));
1907 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1908 free_nfs_cb_data(data
);
1912 svfs
.f_bsize
= 4096;
1913 svfs
.f_frsize
= 4096;
1914 svfs
.f_blocks
= res
->FSSTAT3res_u
.resok
.tbytes
/4096;
1915 svfs
.f_bfree
= res
->FSSTAT3res_u
.resok
.fbytes
/4096;
1916 svfs
.f_bavail
= res
->FSSTAT3res_u
.resok
.abytes
/4096;
1917 svfs
.f_files
= res
->FSSTAT3res_u
.resok
.tfiles
;
1918 svfs
.f_ffree
= res
->FSSTAT3res_u
.resok
.ffiles
;
1919 svfs
.f_favail
= res
->FSSTAT3res_u
.resok
.afiles
;
1922 svfs
.f_namemax
= 256;
1924 data
->cb(0, nfs
, &svfs
, data
->private_data
);
1925 free_nfs_cb_data(data
);
1928 static int nfs_statvfs_continue_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
1930 if (rpc_nfs_fsstat_async(nfs
->rpc
, nfs_statvfs_1_cb
, &data
->fh
, data
) != 0) {
1931 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send FSSTAT call for %s", data
->path
);
1932 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1933 free_nfs_cb_data(data
);
1939 int nfs_statvfs_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
1941 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_statvfs_continue_internal
, NULL
, NULL
, 0) != 0) {
1942 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
1955 static void nfs_readlink_1_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
1958 struct nfs_cb_data
*data
= private_data
;
1959 struct nfs_context
*nfs
= data
->nfs
;
1961 if (status
== RPC_STATUS_ERROR
) {
1962 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1963 free_nfs_cb_data(data
);
1966 if (status
== RPC_STATUS_CANCEL
) {
1967 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1968 free_nfs_cb_data(data
);
1973 if (res
->status
!= NFS3_OK
) {
1974 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
));
1975 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1976 free_nfs_cb_data(data
);
1981 data
->cb(0, nfs
, res
->READLINK3res_u
.resok
.data
, data
->private_data
);
1982 free_nfs_cb_data(data
);
1985 static int nfs_readlink_continue_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
1987 if (rpc_nfs_readlink_async(nfs
->rpc
, nfs_readlink_1_cb
, &data
->fh
, data
) != 0) {
1988 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READLINK call for %s", data
->path
);
1989 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1990 free_nfs_cb_data(data
);
1996 int nfs_readlink_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
1998 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_readlink_continue_internal
, NULL
, NULL
, 0) != 0) {
1999 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
2012 static void nfs_chmod_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
2014 struct nfs_cb_data
*data
= private_data
;
2015 struct nfs_context
*nfs
= data
->nfs
;
2018 if (status
== RPC_STATUS_ERROR
) {
2019 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2020 free_nfs_cb_data(data
);
2023 if (status
== RPC_STATUS_CANCEL
) {
2024 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2025 free_nfs_cb_data(data
);
2030 if (res
->status
!= NFS3_OK
) {
2031 rpc_set_error(nfs
->rpc
, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
2032 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2033 free_nfs_cb_data(data
);
2037 data
->cb(0, nfs
, NULL
, data
->private_data
);
2038 free_nfs_cb_data(data
);
2041 static int nfs_chmod_continue_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
2045 bzero(&args
, sizeof(SETATTR3args
));
2046 args
.object
.data
.data_len
= data
->fh
.data
.data_len
;
2047 args
.object
.data
.data_val
= data
->fh
.data
.data_val
;
2048 args
.new_attributes
.mode
.set_it
= 1;
2049 args
.new_attributes
.mode
.set_mode3_u
.mode
= data
->continue_int
;
2051 if (rpc_nfs_setattr_async(nfs
->rpc
, nfs_chmod_cb
, &args
, data
) != 0) {
2052 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SETATTR call for %s", data
->path
);
2053 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2054 free_nfs_cb_data(data
);
2061 int nfs_chmod_async(struct nfs_context
*nfs
, const char *path
, int mode
, nfs_cb cb
, void *private_data
)
2063 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_chmod_continue_internal
, NULL
, NULL
, mode
) != 0) {
2064 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
2074 int nfs_fchmod_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, int mode
, nfs_cb cb
, void *private_data
)
2076 struct nfs_cb_data
*data
;
2078 data
= malloc(sizeof(struct nfs_cb_data
));
2080 rpc_set_error(nfs
->rpc
, "out of memory. failed to allocate memory for nfs mount data");
2083 bzero(data
, sizeof(struct nfs_cb_data
));
2086 data
->private_data
= private_data
;
2087 data
->continue_int
= mode
;
2088 data
->fh
.data
.data_len
= nfsfh
->fh
.data
.data_len
;
2089 data
->fh
.data
.data_val
= malloc(data
->fh
.data
.data_len
);
2090 if (data
->fh
.data
.data_val
== NULL
) {
2091 rpc_set_error(nfs
->rpc
, "Out of memory: Failed to allocate fh");
2092 free_nfs_cb_data(data
);
2095 memcpy(data
->fh
.data
.data_val
, nfsfh
->fh
.data
.data_val
, data
->fh
.data
.data_len
);
2097 if (nfs_chmod_continue_internal(nfs
, data
) != 0) {
2098 free_nfs_cb_data(data
);
2110 static void nfs_chown_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
2112 struct nfs_cb_data
*data
= private_data
;
2113 struct nfs_context
*nfs
= data
->nfs
;
2116 if (status
== RPC_STATUS_ERROR
) {
2117 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2118 free_nfs_cb_data(data
);
2121 if (status
== RPC_STATUS_CANCEL
) {
2122 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2123 free_nfs_cb_data(data
);
2128 if (res
->status
!= NFS3_OK
) {
2129 rpc_set_error(nfs
->rpc
, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
2130 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2131 free_nfs_cb_data(data
);
2135 data
->cb(0, nfs
, NULL
, data
->private_data
);
2136 free_nfs_cb_data(data
);
2139 struct nfs_chown_data
{
2144 static int nfs_chown_continue_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
2147 struct nfs_chown_data
*chown_data
= data
->continue_data
;
2149 bzero(&args
, sizeof(SETATTR3args
));
2150 args
.object
.data
.data_len
= data
->fh
.data
.data_len
;
2151 args
.object
.data
.data_val
= data
->fh
.data
.data_val
;
2152 if (chown_data
->uid
!= (uid_t
)-1) {
2153 args
.new_attributes
.uid
.set_it
= 1;
2154 args
.new_attributes
.uid
.set_uid3_u
.uid
= chown_data
->uid
;
2156 if (chown_data
->gid
!= (gid_t
)-1) {
2157 args
.new_attributes
.gid
.set_it
= 1;
2158 args
.new_attributes
.gid
.set_gid3_u
.gid
= chown_data
->gid
;
2161 if (rpc_nfs_setattr_async(nfs
->rpc
, nfs_chown_cb
, &args
, data
) != 0) {
2162 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SETATTR call for %s", data
->path
);
2163 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2164 free_nfs_cb_data(data
);
2171 int nfs_chown_async(struct nfs_context
*nfs
, const char *path
, int uid
, int gid
, nfs_cb cb
, void *private_data
)
2173 struct nfs_chown_data
*chown_data
;
2175 chown_data
= malloc(sizeof(struct nfs_chown_data
));
2176 if (chown_data
== NULL
) {
2177 rpc_set_error(nfs
->rpc
, "Failed to allocate memory for chown data structure");
2181 chown_data
->uid
= uid
;
2182 chown_data
->gid
= gid
;
2184 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_chown_continue_internal
, chown_data
, free
, 0) != 0) {
2185 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
2196 int nfs_fchown_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, int uid
, int gid
, nfs_cb cb
, void *private_data
)
2198 struct nfs_cb_data
*data
;
2199 struct nfs_chown_data
*chown_data
;
2201 chown_data
= malloc(sizeof(struct nfs_chown_data
));
2202 if (chown_data
== NULL
) {
2203 rpc_set_error(nfs
->rpc
, "Failed to allocate memory for chown data structure");
2207 chown_data
->uid
= uid
;
2208 chown_data
->gid
= gid
;
2211 data
= malloc(sizeof(struct nfs_cb_data
));
2213 rpc_set_error(nfs
->rpc
, "out of memory. failed to allocate memory for fchown data");
2216 bzero(data
, sizeof(struct nfs_cb_data
));
2219 data
->private_data
= private_data
;
2220 data
->continue_data
= chown_data
;
2221 data
->fh
.data
.data_len
= nfsfh
->fh
.data
.data_len
;
2222 data
->fh
.data
.data_val
= malloc(data
->fh
.data
.data_len
);
2223 if (data
->fh
.data
.data_val
== NULL
) {
2224 rpc_set_error(nfs
->rpc
, "Out of memory: Failed to allocate fh");
2225 free_nfs_cb_data(data
);
2228 memcpy(data
->fh
.data
.data_val
, nfsfh
->fh
.data
.data_val
, data
->fh
.data
.data_len
);
2231 if (nfs_chown_continue_internal(nfs
, data
) != 0) {
2232 free_nfs_cb_data(data
);
2246 static void nfs_utimes_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
2248 struct nfs_cb_data
*data
= private_data
;
2249 struct nfs_context
*nfs
= data
->nfs
;
2252 if (status
== RPC_STATUS_ERROR
) {
2253 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2254 free_nfs_cb_data(data
);
2257 if (status
== RPC_STATUS_CANCEL
) {
2258 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2259 free_nfs_cb_data(data
);
2264 if (res
->status
!= NFS3_OK
) {
2265 rpc_set_error(nfs
->rpc
, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
2266 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2267 free_nfs_cb_data(data
);
2271 data
->cb(0, nfs
, NULL
, data
->private_data
);
2272 free_nfs_cb_data(data
);
2275 static int nfs_utimes_continue_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
2278 struct timeval
*utimes_data
= data
->continue_data
;
2280 bzero(&args
, sizeof(SETATTR3args
));
2281 args
.object
.data
.data_len
= data
->fh
.data
.data_len
;
2282 args
.object
.data
.data_val
= data
->fh
.data
.data_val
;
2283 if (utimes_data
!= NULL
) {
2284 args
.new_attributes
.atime
.set_it
= SET_TO_CLIENT_TIME
;
2285 args
.new_attributes
.atime
.set_atime_u
.atime
.seconds
= utimes_data
[0].tv_sec
;
2286 args
.new_attributes
.atime
.set_atime_u
.atime
.nseconds
= utimes_data
[0].tv_usec
* 1000;
2287 args
.new_attributes
.mtime
.set_it
= SET_TO_CLIENT_TIME
;
2288 args
.new_attributes
.mtime
.set_mtime_u
.mtime
.seconds
= utimes_data
[1].tv_sec
;
2289 args
.new_attributes
.mtime
.set_mtime_u
.mtime
.nseconds
= utimes_data
[1].tv_usec
* 1000;
2291 args
.new_attributes
.atime
.set_it
= SET_TO_SERVER_TIME
;
2292 args
.new_attributes
.mtime
.set_it
= SET_TO_SERVER_TIME
;
2295 if (rpc_nfs_setattr_async(nfs
->rpc
, nfs_utimes_cb
, &args
, data
) != 0) {
2296 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SETATTR call for %s", data
->path
);
2297 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2298 free_nfs_cb_data(data
);
2305 int nfs_utimes_async(struct nfs_context
*nfs
, const char *path
, struct timeval
*times
, nfs_cb cb
, void *private_data
)
2307 struct timeval
*new_times
= NULL
;
2309 if (times
!= NULL
) {
2310 new_times
= malloc(sizeof(struct timeval
)*2);
2311 if (new_times
== NULL
) {
2312 rpc_set_error(nfs
->rpc
, "Failed to allocate memory for timeval structure");
2316 memcpy(new_times
, times
, sizeof(struct timeval
)*2);
2319 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_utimes_continue_internal
, new_times
, free
, 0) != 0) {
2320 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
2330 int nfs_utime_async(struct nfs_context
*nfs
, const char *path
, struct utimbuf
*times
, nfs_cb cb
, void *private_data
)
2332 struct timeval
*new_times
= NULL
;
2334 if (times
!= NULL
) {
2335 new_times
= malloc(sizeof(struct timeval
)*2);
2336 if (new_times
== NULL
) {
2337 rpc_set_error(nfs
->rpc
, "Failed to allocate memory for timeval structure");
2341 new_times
[0].tv_sec
= times
->actime
;
2342 new_times
[0].tv_usec
= 0;
2343 new_times
[1].tv_sec
= times
->modtime
;
2344 new_times
[1].tv_usec
= 0;
2347 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_utimes_continue_internal
, new_times
, free
, 0) != 0) {
2348 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
2362 static void nfs_access_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
2365 struct nfs_cb_data
*data
= private_data
;
2366 struct nfs_context
*nfs
= data
->nfs
;
2367 unsigned int nfsmode
= 0;
2369 if (status
== RPC_STATUS_ERROR
) {
2370 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2371 free_nfs_cb_data(data
);
2374 if (status
== RPC_STATUS_CANCEL
) {
2375 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2376 free_nfs_cb_data(data
);
2381 if (res
->status
!= NFS3_OK
) {
2382 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
));
2383 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2384 free_nfs_cb_data(data
);
2388 if (data
->continue_int
& R_OK
) {
2389 nfsmode
|= ACCESS3_READ
;
2391 if (data
->continue_int
& W_OK
) {
2392 nfsmode
|= ACCESS3_MODIFY
;
2394 if (data
->continue_int
& X_OK
) {
2395 nfsmode
|= ACCESS3_EXECUTE
;
2398 if (res
->ACCESS3res_u
.resok
.access
!= nfsmode
) {
2399 rpc_set_error(nfs
->rpc
, "NFS: ACCESS denied. Required access %c%c%c. Allowed access %c%c%c",
2400 nfsmode
&ACCESS3_READ
?'r':'-',
2401 nfsmode
&ACCESS3_MODIFY
?'w':'-',
2402 nfsmode
&ACCESS3_EXECUTE
?'x':'-',
2403 res
->ACCESS3res_u
.resok
.access
&ACCESS3_READ
?'r':'-',
2404 res
->ACCESS3res_u
.resok
.access
&ACCESS3_MODIFY
?'w':'-',
2405 res
->ACCESS3res_u
.resok
.access
&ACCESS3_EXECUTE
?'x':'-');
2406 data
->cb(-EACCES
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2407 free_nfs_cb_data(data
);
2411 data
->cb(0, nfs
, NULL
, data
->private_data
);
2412 free_nfs_cb_data(data
);
2415 static int nfs_access_continue_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
2419 if (data
->continue_int
& R_OK
) {
2420 nfsmode
|= ACCESS3_READ
;
2422 if (data
->continue_int
& W_OK
) {
2423 nfsmode
|= ACCESS3_MODIFY
;
2425 if (data
->continue_int
& X_OK
) {
2426 nfsmode
|= ACCESS3_EXECUTE
;
2429 if (rpc_nfs_access_async(nfs
->rpc
, nfs_access_cb
, &data
->fh
, nfsmode
, data
) != 0) {
2430 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send OPEN ACCESS call for %s", data
->path
);
2431 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2432 free_nfs_cb_data(data
);
2438 int nfs_access_async(struct nfs_context
*nfs
, const char *path
, int mode
, nfs_cb cb
, void *private_data
)
2440 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_access_continue_internal
, NULL
, NULL
, mode
) != 0) {
2441 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
2453 struct nfs_symlink_data
{
2455 char *newpathparent
;
2456 char *newpathobject
;
2459 static void free_nfs_symlink_data(void *mem
)
2461 struct nfs_symlink_data
*data
= mem
;
2463 if (data
->oldpath
!= NULL
) {
2464 free(data
->oldpath
);
2466 if (data
->newpathparent
!= NULL
) {
2467 free(data
->newpathparent
);
2469 if (data
->newpathobject
!= NULL
) {
2470 free(data
->newpathobject
);
2475 static void nfs_symlink_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
2478 struct nfs_cb_data
*data
= private_data
;
2479 struct nfs_context
*nfs
= data
->nfs
;
2480 struct nfs_symlink_data
*symlink_data
= data
->continue_data
;
2482 if (status
== RPC_STATUS_ERROR
) {
2483 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2484 free_nfs_cb_data(data
);
2487 if (status
== RPC_STATUS_CANCEL
) {
2488 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2489 free_nfs_cb_data(data
);
2494 if (res
->status
!= NFS3_OK
) {
2495 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
));
2496 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2497 free_nfs_cb_data(data
);
2501 data
->cb(0, nfs
, NULL
, data
->private_data
);
2502 free_nfs_cb_data(data
);
2505 static int nfs_symlink_continue_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
2507 struct nfs_symlink_data
*symlink_data
= data
->continue_data
;
2509 if (rpc_nfs_symlink_async(nfs
->rpc
, nfs_symlink_cb
, &data
->fh
, symlink_data
->newpathobject
, symlink_data
->oldpath
, data
) != 0) {
2510 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SYMLINK call for %s", data
->path
);
2511 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2512 free_nfs_cb_data(data
);
2518 int nfs_symlink_async(struct nfs_context
*nfs
, const char *oldpath
, const char *newpath
, nfs_cb cb
, void *private_data
)
2521 struct nfs_symlink_data
*symlink_data
;
2523 symlink_data
= malloc(sizeof(struct nfs_symlink_data
));
2524 if (symlink_data
== NULL
) {
2525 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for symlink data");
2528 bzero(symlink_data
, sizeof(struct nfs_symlink_data
));
2530 symlink_data
->oldpath
= strdup(oldpath
);
2531 if (symlink_data
->oldpath
== NULL
) {
2532 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for oldpath");
2533 free_nfs_symlink_data(symlink_data
);
2537 symlink_data
->newpathparent
= strdup(newpath
);
2538 if (symlink_data
->newpathparent
== NULL
) {
2539 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for new path");
2540 free_nfs_symlink_data(symlink_data
);
2544 ptr
= strrchr(symlink_data
->newpathparent
, '/');
2546 rpc_set_error(nfs
->rpc
, "Invalid path %s", oldpath
);
2547 free_nfs_symlink_data(symlink_data
);
2553 symlink_data
->newpathobject
= strdup(ptr
);
2554 if (symlink_data
->newpathobject
== NULL
) {
2555 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for new path");
2556 free_nfs_symlink_data(symlink_data
);
2560 if (nfs_lookuppath_async(nfs
, symlink_data
->newpathparent
, cb
, private_data
, nfs_symlink_continue_internal
, symlink_data
, free_nfs_symlink_data
, 0) != 0) {
2561 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
2573 struct nfs_rename_data
{
2576 struct nfs_fh3 olddir
;
2579 struct nfs_fh3 newdir
;
2582 static void free_nfs_rename_data(void *mem
)
2584 struct nfs_rename_data
*data
= mem
;
2586 if (data
->oldpath
!= NULL
) {
2587 free(data
->oldpath
);
2589 if (data
->olddir
.data
.data_val
!= NULL
) {
2590 free(data
->olddir
.data
.data_val
);
2592 if (data
->newpath
!= NULL
) {
2593 free(data
->newpath
);
2595 if (data
->newdir
.data
.data_val
!= NULL
) {
2596 free(data
->newdir
.data
.data_val
);
2601 static void nfs_rename_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
2604 struct nfs_cb_data
*data
= private_data
;
2605 struct nfs_context
*nfs
= data
->nfs
;
2606 struct nfs_rename_data
*rename_data
= data
->continue_data
;
2608 if (status
== RPC_STATUS_ERROR
) {
2609 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2610 free_nfs_cb_data(data
);
2613 if (status
== RPC_STATUS_CANCEL
) {
2614 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2615 free_nfs_cb_data(data
);
2620 if (res
->status
!= NFS3_OK
) {
2621 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
));
2622 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2623 free_nfs_cb_data(data
);
2627 data
->cb(0, nfs
, NULL
, data
->private_data
);
2628 free_nfs_cb_data(data
);
2631 static int nfs_rename_continue_2_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
2633 struct nfs_rename_data
*rename_data
= data
->continue_data
;
2635 /* steal the filehandle */
2636 rename_data
->newdir
.data
.data_len
= data
->fh
.data
.data_len
;
2637 rename_data
->newdir
.data
.data_val
= data
->fh
.data
.data_val
;
2638 data
->fh
.data
.data_val
= NULL
;
2640 if (rpc_nfs_rename_async(nfs
->rpc
, nfs_rename_cb
, &rename_data
->olddir
, rename_data
->oldobject
, &rename_data
->newdir
, rename_data
->newobject
, data
) != 0) {
2641 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send RENAME call for %s", data
->path
);
2642 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2643 free_nfs_cb_data(data
);
2650 static int nfs_rename_continue_1_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
2652 struct nfs_rename_data
*rename_data
= data
->continue_data
;
2654 /* steal the filehandle */
2655 rename_data
->olddir
.data
.data_len
= data
->fh
.data
.data_len
;
2656 rename_data
->olddir
.data
.data_val
= data
->fh
.data
.data_val
;
2657 data
->fh
.data
.data_val
= NULL
;
2659 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) {
2660 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send LOOKUP call for %s", rename_data
->newpath
);
2661 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2662 free_nfs_cb_data(data
);
2665 data
->continue_data
= NULL
;
2666 free_nfs_cb_data(data
);
2672 int nfs_rename_async(struct nfs_context
*nfs
, const char *oldpath
, const char *newpath
, nfs_cb cb
, void *private_data
)
2675 struct nfs_rename_data
*rename_data
;
2677 rename_data
= malloc(sizeof(struct nfs_rename_data
));
2678 if (rename_data
== NULL
) {
2679 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for rename data");
2682 bzero(rename_data
, sizeof(struct nfs_rename_data
));
2684 rename_data
->oldpath
= strdup(oldpath
);
2685 if (rename_data
->oldpath
== NULL
) {
2686 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for oldpath");
2687 free_nfs_rename_data(rename_data
);
2690 ptr
= strrchr(rename_data
->oldpath
, '/');
2692 rpc_set_error(nfs
->rpc
, "Invalid path %s", oldpath
);
2693 free_nfs_rename_data(rename_data
);
2698 rename_data
->oldobject
= ptr
;
2701 rename_data
->newpath
= strdup(newpath
);
2702 if (rename_data
->newpath
== NULL
) {
2703 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for newpath");
2704 free_nfs_rename_data(rename_data
);
2707 ptr
= strrchr(rename_data
->newpath
, '/');
2709 rpc_set_error(nfs
->rpc
, "Invalid path %s", newpath
);
2710 free_nfs_rename_data(rename_data
);
2715 rename_data
->newobject
= ptr
;
2718 if (nfs_lookuppath_async(nfs
, rename_data
->oldpath
, cb
, private_data
, nfs_rename_continue_1_internal
, rename_data
, free_nfs_rename_data
, 0) != 0) {
2719 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
2730 struct nfs_link_data
{
2732 struct nfs_fh3 oldfh
;
2735 struct nfs_fh3 newdir
;
2738 static void free_nfs_link_data(void *mem
)
2740 struct nfs_link_data
*data
= mem
;
2742 if (data
->oldpath
!= NULL
) {
2743 free(data
->oldpath
);
2745 if (data
->oldfh
.data
.data_val
!= NULL
) {
2746 free(data
->oldfh
.data
.data_val
);
2748 if (data
->newpath
!= NULL
) {
2749 free(data
->newpath
);
2751 if (data
->newdir
.data
.data_val
!= NULL
) {
2752 free(data
->newdir
.data
.data_val
);
2757 static void nfs_link_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
2760 struct nfs_cb_data
*data
= private_data
;
2761 struct nfs_context
*nfs
= data
->nfs
;
2762 struct nfs_link_data
*link_data
= data
->continue_data
;
2764 if (status
== RPC_STATUS_ERROR
) {
2765 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2766 free_nfs_cb_data(data
);
2769 if (status
== RPC_STATUS_CANCEL
) {
2770 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2771 free_nfs_cb_data(data
);
2776 if (res
->status
!= NFS3_OK
) {
2777 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
));
2778 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2779 free_nfs_cb_data(data
);
2783 data
->cb(0, nfs
, NULL
, data
->private_data
);
2784 free_nfs_cb_data(data
);
2787 static int nfs_link_continue_2_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
2789 struct nfs_link_data
*link_data
= data
->continue_data
;
2791 /* steal the filehandle */
2792 link_data
->newdir
.data
.data_len
= data
->fh
.data
.data_len
;
2793 link_data
->newdir
.data
.data_val
= data
->fh
.data
.data_val
;
2794 data
->fh
.data
.data_val
= NULL
;
2796 if (rpc_nfs_link_async(nfs
->rpc
, nfs_link_cb
, &link_data
->oldfh
, &link_data
->newdir
, link_data
->newobject
, data
) != 0) {
2797 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send LINK call for %s", data
->path
);
2798 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2799 free_nfs_cb_data(data
);
2806 static int nfs_link_continue_1_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
2808 struct nfs_link_data
*link_data
= data
->continue_data
;
2810 /* steal the filehandle */
2811 link_data
->oldfh
.data
.data_len
= data
->fh
.data
.data_len
;
2812 link_data
->oldfh
.data
.data_val
= data
->fh
.data
.data_val
;
2813 data
->fh
.data
.data_val
= NULL
;
2815 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) {
2816 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send LOOKUP call for %s", link_data
->newpath
);
2817 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2818 free_nfs_cb_data(data
);
2821 data
->continue_data
= NULL
;
2822 free_nfs_cb_data(data
);
2828 int nfs_link_async(struct nfs_context
*nfs
, const char *oldpath
, const char *newpath
, nfs_cb cb
, void *private_data
)
2831 struct nfs_link_data
*link_data
;
2833 link_data
= malloc(sizeof(struct nfs_link_data
));
2834 if (link_data
== NULL
) {
2835 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for link data");
2838 bzero(link_data
, sizeof(struct nfs_link_data
));
2840 link_data
->oldpath
= strdup(oldpath
);
2841 if (link_data
->oldpath
== NULL
) {
2842 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for oldpath");
2843 free_nfs_link_data(link_data
);
2847 link_data
->newpath
= strdup(newpath
);
2848 if (link_data
->newpath
== NULL
) {
2849 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for newpath");
2850 free_nfs_link_data(link_data
);
2853 ptr
= strrchr(link_data
->newpath
, '/');
2855 rpc_set_error(nfs
->rpc
, "Invalid path %s", newpath
);
2856 free_nfs_link_data(link_data
);
2861 link_data
->newobject
= ptr
;
2864 if (nfs_lookuppath_async(nfs
, link_data
->oldpath
, cb
, private_data
, nfs_link_continue_1_internal
, link_data
, free_nfs_link_data
, 0) != 0) {
2865 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
2873 //qqq replace later with lseek()
2874 off_t
nfs_get_current_offset(struct nfsfh
*nfsfh
)
2876 return nfsfh
->offset
;
2882 * Get the maximum supported READ3 size by the server
2884 size_t nfs_get_readmax(struct nfs_context
*nfs
)
2886 return nfs
->readmax
;
2890 * Get the maximum supported WRITE3 size by the server
2892 size_t nfs_get_writemax(struct nfs_context
*nfs
)
2894 return nfs
->writemax
;
2897 void nfs_set_error(struct nfs_context
*nfs
, char *error_string
, ...)
2902 va_start(ap
, error_string
);
2903 vasprintf(&str
, error_string
, ap
);
2904 if (nfs
->rpc
->error_string
!= NULL
) {
2905 free(nfs
->rpc
->error_string
);
2907 nfs
->rpc
->error_string
= str
;
2913 struct mount_cb_data
{
2919 static void free_mount_cb_data(struct mount_cb_data
*data
)
2921 if (data
->server
!= NULL
) {
2923 data
->server
= NULL
;
2929 static void mount_export_5_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2931 struct mount_cb_data
*data
= private_data
;
2933 if (status
== RPC_STATUS_ERROR
) {
2934 data
->cb(rpc
, -EFAULT
, command_data
, data
->private_data
);
2935 free_mount_cb_data(data
);
2938 if (status
== RPC_STATUS_CANCEL
) {
2939 data
->cb(rpc
, -EINTR
, "Command was cancelled", data
->private_data
);
2940 free_mount_cb_data(data
);
2944 data
->cb(rpc
, 0, command_data
, data
->private_data
);
2945 if (rpc_disconnect(rpc
, "normal disconnect") != 0) {
2946 rpc_set_error(rpc
, "Failed to disconnect\n");
2948 free_mount_cb_data(data
);
2951 static void mount_export_4_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2953 struct mount_cb_data
*data
= private_data
;
2955 if (status
== RPC_STATUS_ERROR
) {
2956 data
->cb(rpc
, -EFAULT
, command_data
, data
->private_data
);
2957 free_mount_cb_data(data
);
2960 if (status
== RPC_STATUS_CANCEL
) {
2961 data
->cb(rpc
, -EINTR
, "Command was cancelled", data
->private_data
);
2962 free_mount_cb_data(data
);
2966 if (rpc_mount_export_async(rpc
, mount_export_5_cb
, data
) != 0) {
2967 data
->cb(rpc
, -ENOMEM
, command_data
, data
->private_data
);
2968 free_mount_cb_data(data
);
2973 static void mount_export_3_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2975 struct mount_cb_data
*data
= private_data
;
2976 uint32_t mount_port
;
2978 if (status
== RPC_STATUS_ERROR
) {
2979 data
->cb(rpc
, -EFAULT
, command_data
, data
->private_data
);
2980 free_mount_cb_data(data
);
2983 if (status
== RPC_STATUS_CANCEL
) {
2984 data
->cb(rpc
, -EINTR
, "Command was cancelled", data
->private_data
);
2985 free_mount_cb_data(data
);
2989 mount_port
= *(uint32_t *)command_data
;
2990 if (mount_port
== 0) {
2991 rpc_set_error(rpc
, "RPC error. Mount program is not available");
2992 data
->cb(rpc
, -ENOENT
, command_data
, data
->private_data
);
2993 free_mount_cb_data(data
);
2997 rpc_disconnect(rpc
, "normal disconnect");
2998 if (rpc_connect_async(rpc
, data
->server
, mount_port
, mount_export_4_cb
, data
) != 0) {
2999 data
->cb(rpc
, -ENOMEM
, command_data
, data
->private_data
);
3000 free_mount_cb_data(data
);
3005 static void mount_export_2_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
3007 struct mount_cb_data
*data
= private_data
;
3009 if (status
== RPC_STATUS_ERROR
) {
3010 data
->cb(rpc
, -EFAULT
, command_data
, data
->private_data
);
3011 free_mount_cb_data(data
);
3014 if (status
== RPC_STATUS_CANCEL
) {
3015 data
->cb(rpc
, -EINTR
, "Command was cancelled", data
->private_data
);
3016 free_mount_cb_data(data
);
3020 if (rpc_pmap_getport_async(rpc
, MOUNT_PROGRAM
, MOUNT_V3
, mount_export_3_cb
, private_data
) != 0) {
3021 data
->cb(rpc
, -ENOMEM
, command_data
, data
->private_data
);
3022 free_mount_cb_data(data
);
3027 static void mount_export_1_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
3029 struct mount_cb_data
*data
= private_data
;
3031 if (status
== RPC_STATUS_ERROR
) {
3032 data
->cb(rpc
, -EFAULT
, command_data
, data
->private_data
);
3033 free_mount_cb_data(data
);
3036 if (status
== RPC_STATUS_CANCEL
) {
3037 data
->cb(rpc
, -EINTR
, "Command was cancelled", data
->private_data
);
3038 free_mount_cb_data(data
);
3042 if (rpc_pmap_null_async(rpc
, mount_export_2_cb
, data
) != 0) {
3043 data
->cb(rpc
, -ENOMEM
, command_data
, data
->private_data
);
3044 free_mount_cb_data(data
);
3049 int mount_getexports_async(struct rpc_context
*rpc
, const char *server
, rpc_cb cb
, void *private_data
)
3051 struct mount_cb_data
*data
;
3053 data
= malloc(sizeof(struct mount_cb_data
));
3057 bzero(data
, sizeof(struct mount_cb_data
));
3059 data
->private_data
= private_data
;
3060 data
->server
= strdup(server
);
3061 if (data
->server
== NULL
) {
3062 free_mount_cb_data(data
);
3065 if (rpc_connect_async(rpc
, data
->server
, 111, mount_export_1_cb
, data
) != 0) {
3066 free_mount_cb_data(data
);
3073 struct rpc_context
*nfs_get_rpc_context(struct nfs_context
*nfs
)
3078 const char *nfs_get_server(struct nfs_context
*nfs
) {
3082 const char *nfs_get_export(struct nfs_context
*nfs
) {