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 return 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 void nfs_destroy_context(struct nfs_context
*nfs
)
152 rpc_destroy_context(nfs
->rpc
);
165 if (nfs
->rootfh
.data
.data_val
!= NULL
) {
166 free(nfs
->rootfh
.data
.data_val
);
167 nfs
->rootfh
.data
.data_val
= NULL
;
173 void free_nfs_cb_data(struct nfs_cb_data
*data
)
175 if (data
->saved_path
!= NULL
) {
176 free(data
->saved_path
);
177 data
->saved_path
= NULL
;
180 if (data
->continue_data
!= NULL
) {
181 data
->free_continue_data(data
->continue_data
);
182 data
->continue_data
= NULL
;
185 if (data
->fh
.data
.data_val
!= NULL
) {
186 free(data
->fh
.data
.data_val
);
187 data
->fh
.data
.data_val
= NULL
;
190 if (data
->buffer
!= NULL
) {
202 static void nfs_mount_10_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
204 struct nfs_cb_data
*data
= private_data
;
205 struct nfs_context
*nfs
= data
->nfs
;
207 if (status
== RPC_STATUS_ERROR
) {
208 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
209 free_nfs_cb_data(data
);
212 if (status
== RPC_STATUS_CANCEL
) {
213 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
214 free_nfs_cb_data(data
);
218 data
->cb(0, nfs
, NULL
, data
->private_data
);
219 free_nfs_cb_data(data
);
222 static void nfs_mount_9_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
224 struct nfs_cb_data
*data
= private_data
;
225 struct nfs_context
*nfs
= data
->nfs
;
226 FSINFO3res
*res
= command_data
;
228 if (status
== RPC_STATUS_ERROR
) {
229 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
230 free_nfs_cb_data(data
);
233 if (status
== RPC_STATUS_CANCEL
) {
234 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
235 free_nfs_cb_data(data
);
239 nfs
->readmax
= res
->FSINFO3res_u
.resok
.rtmax
;
240 nfs
->writemax
= res
->FSINFO3res_u
.resok
.wtmax
;
242 if (rpc_nfs_getattr_async(rpc
, nfs_mount_10_cb
, &nfs
->rootfh
, data
) != 0) {
243 data
->cb(-ENOMEM
, nfs
, command_data
, data
->private_data
);
244 free_nfs_cb_data(data
);
249 static void nfs_mount_8_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
251 struct nfs_cb_data
*data
= private_data
;
252 struct nfs_context
*nfs
= data
->nfs
;
254 if (status
== RPC_STATUS_ERROR
) {
255 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
256 free_nfs_cb_data(data
);
259 if (status
== RPC_STATUS_CANCEL
) {
260 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
261 free_nfs_cb_data(data
);
265 if (rpc_nfs_fsinfo_async(rpc
, nfs_mount_9_cb
, &nfs
->rootfh
, data
) != 0) {
266 data
->cb(-ENOMEM
, nfs
, command_data
, data
->private_data
);
267 free_nfs_cb_data(data
);
273 static void nfs_mount_7_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
275 struct nfs_cb_data
*data
= private_data
;
276 struct nfs_context
*nfs
= data
->nfs
;
278 if (status
== RPC_STATUS_ERROR
) {
279 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
280 free_nfs_cb_data(data
);
283 if (status
== RPC_STATUS_CANCEL
) {
284 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
285 free_nfs_cb_data(data
);
289 if (rpc_nfs_null_async(rpc
, nfs_mount_8_cb
, data
) != 0) {
290 data
->cb(-ENOMEM
, nfs
, command_data
, data
->private_data
);
291 free_nfs_cb_data(data
);
297 static void nfs_mount_6_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
299 struct nfs_cb_data
*data
= private_data
;
300 struct nfs_context
*nfs
= data
->nfs
;
303 if (status
== RPC_STATUS_ERROR
) {
304 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
305 free_nfs_cb_data(data
);
308 if (status
== RPC_STATUS_CANCEL
) {
309 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
310 free_nfs_cb_data(data
);
315 if (res
->fhs_status
!= MNT3_OK
) {
316 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
));
317 data
->cb(mountstat3_to_errno(res
->fhs_status
), nfs
, rpc_get_error(rpc
), data
->private_data
);
318 free_nfs_cb_data(data
);
322 nfs
->rootfh
.data
.data_len
= res
->mountres3_u
.mountinfo
.fhandle
.fhandle3_len
;
323 nfs
->rootfh
.data
.data_val
= malloc(nfs
->rootfh
.data
.data_len
);
324 if (nfs
->rootfh
.data
.data_val
== NULL
) {
325 rpc_set_error(rpc
, "Out of memory. Could not allocate memory to store root filehandle");
326 data
->cb(-ENOMEM
, nfs
, rpc_get_error(rpc
), data
->private_data
);
327 free_nfs_cb_data(data
);
330 memcpy(nfs
->rootfh
.data
.data_val
, res
->mountres3_u
.mountinfo
.fhandle
.fhandle3_val
, nfs
->rootfh
.data
.data_len
);
332 rpc_disconnect(rpc
, "normal disconnect");
333 if (rpc_connect_async(rpc
, nfs
->server
, 2049, nfs_mount_7_cb
, data
) != 0) {
334 data
->cb(-ENOMEM
, nfs
, command_data
, data
->private_data
);
335 free_nfs_cb_data(data
);
341 static void nfs_mount_5_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
343 struct nfs_cb_data
*data
= private_data
;
344 struct nfs_context
*nfs
= data
->nfs
;
346 if (status
== RPC_STATUS_ERROR
) {
347 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
348 free_nfs_cb_data(data
);
351 if (status
== RPC_STATUS_CANCEL
) {
352 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
353 free_nfs_cb_data(data
);
357 if (rpc_mount_mnt_async(rpc
, nfs_mount_6_cb
, nfs
->export
, data
) != 0) {
358 data
->cb(-ENOMEM
, nfs
, command_data
, data
->private_data
);
359 free_nfs_cb_data(data
);
364 static void nfs_mount_4_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
366 struct nfs_cb_data
*data
= private_data
;
367 struct nfs_context
*nfs
= data
->nfs
;
369 if (status
== RPC_STATUS_ERROR
) {
370 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
371 free_nfs_cb_data(data
);
374 if (status
== RPC_STATUS_CANCEL
) {
375 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
376 free_nfs_cb_data(data
);
380 if (rpc_mount_null_async(rpc
, nfs_mount_5_cb
, data
) != 0) {
381 data
->cb(-ENOMEM
, nfs
, command_data
, data
->private_data
);
382 free_nfs_cb_data(data
);
387 static void nfs_mount_3_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
389 struct nfs_cb_data
*data
= private_data
;
390 struct nfs_context
*nfs
= data
->nfs
;
393 if (status
== RPC_STATUS_ERROR
) {
394 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
395 free_nfs_cb_data(data
);
398 if (status
== RPC_STATUS_CANCEL
) {
399 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
400 free_nfs_cb_data(data
);
404 mount_port
= *(uint32_t *)command_data
;
405 if (mount_port
== 0) {
406 rpc_set_error(rpc
, "RPC error. Mount program is not available on %s", nfs
->server
);
407 data
->cb(-ENOENT
, nfs
, command_data
, data
->private_data
);
408 free_nfs_cb_data(data
);
412 rpc_disconnect(rpc
, "normal disconnect");
413 if (rpc_connect_async(rpc
, nfs
->server
, mount_port
, nfs_mount_4_cb
, data
) != 0) {
414 data
->cb(-ENOMEM
, nfs
, command_data
, data
->private_data
);
415 free_nfs_cb_data(data
);
421 static void nfs_mount_2_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
423 struct nfs_cb_data
*data
= private_data
;
424 struct nfs_context
*nfs
= data
->nfs
;
426 if (status
== RPC_STATUS_ERROR
) {
427 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
428 free_nfs_cb_data(data
);
431 if (status
== RPC_STATUS_CANCEL
) {
432 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
433 free_nfs_cb_data(data
);
437 if (rpc_pmap_getport_async(rpc
, MOUNT_PROGRAM
, MOUNT_V3
, nfs_mount_3_cb
, private_data
) != 0) {
438 data
->cb(-ENOMEM
, nfs
, command_data
, data
->private_data
);
439 free_nfs_cb_data(data
);
444 static void nfs_mount_1_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
446 struct nfs_cb_data
*data
= private_data
;
447 struct nfs_context
*nfs
= data
->nfs
;
449 if (status
== RPC_STATUS_ERROR
) {
450 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
451 free_nfs_cb_data(data
);
454 if (status
== RPC_STATUS_CANCEL
) {
455 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
456 free_nfs_cb_data(data
);
460 if (rpc_pmap_null_async(rpc
, nfs_mount_2_cb
, data
) != 0) {
461 data
->cb(-ENOMEM
, nfs
, command_data
, data
->private_data
);
462 free_nfs_cb_data(data
);
468 * Async call for mounting an nfs share and geting the root filehandle
470 int nfs_mount_async(struct nfs_context
*nfs
, const char *server
, const char *export
, nfs_cb cb
, void *private_data
)
472 struct nfs_cb_data
*data
;
474 data
= malloc(sizeof(struct nfs_cb_data
));
476 rpc_set_error(nfs
->rpc
, "out of memory. failed to allocate memory for nfs mount data");
479 bzero(data
, sizeof(struct nfs_cb_data
));
480 nfs
->server
= strdup(server
);
481 nfs
->export
= strdup(export
);
484 data
->private_data
= private_data
;
486 if (rpc_connect_async(nfs
->rpc
, server
, 111, nfs_mount_1_cb
, data
) != 0) {
487 rpc_set_error(nfs
->rpc
, "Failed to start connection");
488 free_nfs_cb_data(data
);
498 * Functions to first look up a path, component by component, and then finally call a specific function once
499 * the filehandle for the final component is found.
501 static void nfs_lookup_path_1_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
503 struct nfs_cb_data
*data
= private_data
;
504 struct nfs_context
*nfs
= data
->nfs
;
507 if (status
== RPC_STATUS_ERROR
) {
508 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
509 free_nfs_cb_data(data
);
512 if (status
== RPC_STATUS_CANCEL
) {
513 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
514 free_nfs_cb_data(data
);
519 if (res
->status
!= NFS3_OK
) {
520 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
));
521 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
522 free_nfs_cb_data(data
);
526 if (nfs_lookup_path_async_internal(nfs
, data
, &res
->LOOKUP3res_u
.resok
.object
) != 0) {
527 rpc_set_error(nfs
->rpc
, "Failed to create lookup pdu");
528 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
529 free_nfs_cb_data(data
);
534 static int nfs_lookup_path_async_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
, struct nfs_fh3
*fh
)
538 while (*data
->path
== '/') {
543 str
= index(path
, '/');
548 while (*data
->path
!= 0) {
554 data
->fh
.data
.data_len
= fh
->data
.data_len
;
555 data
->fh
.data
.data_val
= malloc(data
->fh
.data
.data_len
);
556 if (data
->fh
.data
.data_val
== NULL
) {
557 rpc_set_error(nfs
->rpc
, "Out of memory: Failed to allocate fh for %s", data
->path
);
558 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
559 free_nfs_cb_data(data
);
562 memcpy(data
->fh
.data
.data_val
, fh
->data
.data_val
, data
->fh
.data
.data_len
);
563 data
->continue_cb(nfs
, data
);
567 if (rpc_nfs_lookup_async(nfs
->rpc
, nfs_lookup_path_1_cb
, fh
, path
, data
) != 0) {
568 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send lookup call for %s", data
->path
);
569 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
570 free_nfs_cb_data(data
);
576 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
)
578 struct nfs_cb_data
*data
;
580 if (path
[0] != '/') {
581 rpc_set_error(nfs
->rpc
, "Pathname is not absulute %s", path
);
585 data
= malloc(sizeof(struct nfs_cb_data
));
587 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_cb_data structure");
590 bzero(data
, sizeof(struct nfs_cb_data
));
593 data
->continue_cb
= continue_cb
;
594 data
->continue_data
= continue_data
;
595 data
->free_continue_data
= free_continue_data
;
596 data
->continue_int
= continue_int
;
597 data
->private_data
= private_data
;
598 data
->saved_path
= strdup(path
);
599 if (data
->saved_path
== NULL
) {
600 rpc_set_error(nfs
->rpc
, "out of memory: failed to copy path string");
601 free_nfs_cb_data(data
);
604 data
->path
= data
->saved_path
;
606 if (nfs_lookup_path_async_internal(nfs
, data
, &nfs
->rootfh
) != 0) {
607 /* return 0 here since the callback will be invoked if there is a failure */
620 static void nfs_stat_1_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
623 struct nfs_cb_data
*data
= private_data
;
624 struct nfs_context
*nfs
= data
->nfs
;
627 if (status
== RPC_STATUS_ERROR
) {
628 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
629 free_nfs_cb_data(data
);
632 if (status
== RPC_STATUS_CANCEL
) {
633 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
634 free_nfs_cb_data(data
);
639 if (res
->status
!= NFS3_OK
) {
640 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
));
641 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
642 free_nfs_cb_data(data
);
647 st
.st_ino
= res
->GETATTR3res_u
.resok
.obj_attributes
.fileid
;
648 st
.st_mode
= res
->GETATTR3res_u
.resok
.obj_attributes
.mode
;
649 if (res
->GETATTR3res_u
.resok
.obj_attributes
.type
== NF3DIR
) {
650 st
.st_mode
|= S_IFDIR
;
652 st
.st_nlink
= res
->GETATTR3res_u
.resok
.obj_attributes
.nlink
;
653 st
.st_uid
= res
->GETATTR3res_u
.resok
.obj_attributes
.uid
;
654 st
.st_gid
= res
->GETATTR3res_u
.resok
.obj_attributes
.gid
;
656 st
.st_size
= res
->GETATTR3res_u
.resok
.obj_attributes
.size
;
657 st
.st_blksize
= 4096;
658 st
.st_blocks
= res
->GETATTR3res_u
.resok
.obj_attributes
.size
/ 4096;
659 st
.st_atime
= res
->GETATTR3res_u
.resok
.obj_attributes
.atime
.seconds
;
660 st
.st_mtime
= res
->GETATTR3res_u
.resok
.obj_attributes
.mtime
.seconds
;
661 st
.st_ctime
= res
->GETATTR3res_u
.resok
.obj_attributes
.ctime
.seconds
;
663 data
->cb(0, nfs
, &st
, data
->private_data
);
664 free_nfs_cb_data(data
);
667 static int nfs_stat_continue_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
669 if (rpc_nfs_getattr_async(nfs
->rpc
, nfs_stat_1_cb
, &data
->fh
, data
) != 0) {
670 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send STAT GETATTR call for %s", data
->path
);
671 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
672 free_nfs_cb_data(data
);
678 int nfs_stat_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
680 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_stat_continue_internal
, NULL
, NULL
, 0) != 0) {
681 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
695 static void nfs_open_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
698 struct nfs_cb_data
*data
= private_data
;
699 struct nfs_context
*nfs
= data
->nfs
;
701 unsigned int nfsmode
= 0;
703 if (status
== RPC_STATUS_ERROR
) {
704 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
705 free_nfs_cb_data(data
);
708 if (status
== RPC_STATUS_CANCEL
) {
709 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
710 free_nfs_cb_data(data
);
715 if (res
->status
!= NFS3_OK
) {
716 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
));
717 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
718 free_nfs_cb_data(data
);
722 if (data
->continue_int
& O_WRONLY
) {
723 nfsmode
|= ACCESS3_MODIFY
;
725 if (data
->continue_int
& O_RDWR
) {
726 nfsmode
|= ACCESS3_READ
|ACCESS3_MODIFY
;
728 if (!(data
->continue_int
& (O_WRONLY
|O_RDWR
))) {
729 nfsmode
|= ACCESS3_READ
;
733 if (res
->ACCESS3res_u
.resok
.access
!= nfsmode
) {
734 rpc_set_error(nfs
->rpc
, "NFS: ACCESS denied. Required access %c%c%c. Allowed access %c%c%c",
735 nfsmode
&ACCESS3_READ
?'r':'-',
736 nfsmode
&ACCESS3_MODIFY
?'w':'-',
737 nfsmode
&ACCESS3_EXECUTE
?'x':'-',
738 res
->ACCESS3res_u
.resok
.access
&ACCESS3_READ
?'r':'-',
739 res
->ACCESS3res_u
.resok
.access
&ACCESS3_MODIFY
?'w':'-',
740 res
->ACCESS3res_u
.resok
.access
&ACCESS3_EXECUTE
?'x':'-');
741 data
->cb(-EACCES
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
742 free_nfs_cb_data(data
);
746 nfsfh
= malloc(sizeof(struct nfsfh
));
748 rpc_set_error(nfs
->rpc
, "NFS: Failed to allocate nfsfh structure");
749 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
750 free_nfs_cb_data(data
);
753 bzero(nfsfh
, sizeof(struct nfsfh
));
755 if (data
->continue_int
& O_SYNC
) {
759 /* steal the filehandle */
760 nfsfh
->fh
.data
.data_len
= data
->fh
.data
.data_len
;
761 nfsfh
->fh
.data
.data_val
= data
->fh
.data
.data_val
;
762 data
->fh
.data
.data_val
= NULL
;
764 data
->cb(0, nfs
, nfsfh
, data
->private_data
);
765 free_nfs_cb_data(data
);
768 static int nfs_open_continue_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
772 if (data
->continue_int
& O_WRONLY
) {
773 nfsmode
|= ACCESS3_MODIFY
;
775 if (data
->continue_int
& O_RDWR
) {
776 nfsmode
|= ACCESS3_READ
|ACCESS3_MODIFY
;
778 if (!(data
->continue_int
& (O_WRONLY
|O_RDWR
))) {
779 nfsmode
|= ACCESS3_READ
;
782 if (rpc_nfs_access_async(nfs
->rpc
, nfs_open_cb
, &data
->fh
, nfsmode
, data
) != 0) {
783 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send OPEN ACCESS call for %s", data
->path
);
784 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
785 free_nfs_cb_data(data
);
791 int nfs_open_async(struct nfs_context
*nfs
, const char *path
, int mode
, nfs_cb cb
, void *private_data
)
793 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_open_continue_internal
, NULL
, NULL
, mode
) != 0) {
794 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
808 static void nfs_pread_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
810 struct nfs_cb_data
*data
= private_data
;
811 struct nfs_context
*nfs
= data
->nfs
;
814 if (status
== RPC_STATUS_ERROR
) {
815 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
816 free_nfs_cb_data(data
);
819 if (status
== RPC_STATUS_CANCEL
) {
820 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
821 free_nfs_cb_data(data
);
826 if (res
->status
!= NFS3_OK
) {
827 rpc_set_error(nfs
->rpc
, "NFS: Read failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
828 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
829 free_nfs_cb_data(data
);
833 data
->nfsfh
->offset
+= res
->READ3res_u
.resok
.count
;
834 data
->cb(res
->READ3res_u
.resok
.count
, nfs
, res
->READ3res_u
.resok
.data
.data_val
, data
->private_data
);
835 free_nfs_cb_data(data
);
838 static void nfs_pread_mcb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
840 struct nfs_mcb_data
*mdata
= private_data
;
841 struct nfs_cb_data
*data
= mdata
->data
;
842 struct nfs_context
*nfs
= data
->nfs
;
847 if (status
== RPC_STATUS_ERROR
) {
848 /* flag the failure but do not invoke callback until we have received all responses */
851 if (status
== RPC_STATUS_CANCEL
) {
852 /* flag the cancellation but do not invoke callback until we have received all responses */
856 /* reassemble the data into the buffer */
857 if (status
== RPC_STATUS_SUCCESS
) {
859 if (res
->status
!= NFS3_OK
) {
860 rpc_set_error(nfs
->rpc
, "NFS: Read failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
863 memcpy(&data
->buffer
[mdata
->offset
- data
->start_offset
], res
->READ3res_u
.resok
.data
.data_val
, res
->READ3res_u
.resok
.count
);
864 if ((unsigned)data
->max_offset
< mdata
->offset
+ res
->READ3res_u
.resok
.count
) {
865 data
->max_offset
= mdata
->offset
+ res
->READ3res_u
.resok
.count
;
870 if (data
->num_calls
> 0) {
871 /* still waiting for more replies */
876 if (data
->error
!= 0) {
877 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
878 free_nfs_cb_data(data
);
882 if (data
->cancel
!= 0) {
883 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
884 free_nfs_cb_data(data
);
889 data
->nfsfh
->offset
= data
->max_offset
;
890 data
->cb(data
->max_offset
- data
->start_offset
, nfs
, data
->buffer
, data
->private_data
);
891 free_nfs_cb_data(data
);
895 int nfs_pread_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, off_t offset
, size_t count
, nfs_cb cb
, void *private_data
)
897 struct nfs_cb_data
*data
;
899 data
= malloc(sizeof(struct nfs_cb_data
));
901 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_cb_data structure");
904 bzero(data
, sizeof(struct nfs_cb_data
));
907 data
->private_data
= private_data
;
910 nfsfh
->offset
= offset
;
912 if (count
<= nfs_get_readmax(nfs
)) {
913 if (rpc_nfs_read_async(nfs
->rpc
, nfs_pread_cb
, &nfsfh
->fh
, offset
, count
, data
) != 0) {
914 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READ call for %s", data
->path
);
915 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
916 free_nfs_cb_data(data
);
922 /* trying to read more than maximum server read size, we has to chop it up into smaller
923 * reads and collect into a reassembly buffer.
924 * we send all reads in parallell so that performance is still good.
926 data
->start_offset
= offset
;
928 data
->buffer
= malloc(count
);
929 if (data
->buffer
== NULL
) {
930 rpc_set_error(nfs
->rpc
, "Out-Of-Memory: Failed to allocate reassembly buffer for %d bytes", (int)count
);
931 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
932 free_nfs_cb_data(data
);
937 size_t readcount
= count
;
938 struct nfs_mcb_data
*mdata
;
940 if (readcount
> nfs_get_readmax(nfs
)) {
941 readcount
= nfs_get_readmax(nfs
);
944 mdata
= malloc(sizeof(struct nfs_mcb_data
));
946 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_mcb_data structure");
949 bzero(mdata
, sizeof(struct nfs_mcb_data
));
951 mdata
->offset
= offset
;
952 mdata
->count
= readcount
;
953 if (rpc_nfs_read_async(nfs
->rpc
, nfs_pread_mcb
, &nfsfh
->fh
, offset
, readcount
, mdata
) != 0) {
954 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READ call for %s", data
->path
);
955 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
971 int nfs_read_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, size_t count
, nfs_cb cb
, void *private_data
)
973 return nfs_pread_async(nfs
, nfsfh
, nfsfh
->offset
, count
, cb
, private_data
);
981 static void nfs_pwrite_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
983 struct nfs_cb_data
*data
= private_data
;
984 struct nfs_context
*nfs
= data
->nfs
;
987 if (status
== RPC_STATUS_ERROR
) {
988 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
989 free_nfs_cb_data(data
);
992 if (status
== RPC_STATUS_CANCEL
) {
993 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
994 free_nfs_cb_data(data
);
999 if (res
->status
!= NFS3_OK
) {
1000 rpc_set_error(nfs
->rpc
, "NFS: Write failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
1001 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1002 free_nfs_cb_data(data
);
1006 data
->nfsfh
->offset
+= res
->WRITE3res_u
.resok
.count
;
1007 data
->cb(res
->WRITE3res_u
.resok
.count
, nfs
, NULL
, data
->private_data
);
1008 free_nfs_cb_data(data
);
1011 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
)
1013 struct nfs_cb_data
*data
;
1015 data
= malloc(sizeof(struct nfs_cb_data
));
1017 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_cb_data structure");
1020 bzero(data
, sizeof(struct nfs_cb_data
));
1023 data
->private_data
= private_data
;
1024 data
->nfsfh
= nfsfh
;
1026 nfsfh
->offset
= offset
;
1027 if (rpc_nfs_write_async(nfs
->rpc
, nfs_pwrite_cb
, &nfsfh
->fh
, buf
, offset
, count
, nfsfh
->is_sync
?FILE_SYNC
:UNSTABLE
, data
) != 0) {
1028 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send WRITE call for %s", data
->path
);
1029 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1030 free_nfs_cb_data(data
);
1039 int nfs_write_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, size_t count
, char *buf
, nfs_cb cb
, void *private_data
)
1041 return nfs_pwrite_async(nfs
, nfsfh
, nfsfh
->offset
, count
, buf
, cb
, private_data
);
1051 int nfs_close_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, nfs_cb cb
, void *private_data
)
1053 if (nfsfh
->fh
.data
.data_val
!= NULL
){
1054 free(nfsfh
->fh
.data
.data_val
);
1055 nfsfh
->fh
.data
.data_val
= NULL
;
1059 cb(0, nfs
, NULL
, private_data
);
1070 int nfs_fstat_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, nfs_cb cb
, void *private_data
)
1072 struct nfs_cb_data
*data
;
1074 data
= malloc(sizeof(struct nfs_cb_data
));
1076 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_cb_data structure");
1079 bzero(data
, sizeof(struct nfs_cb_data
));
1082 data
->private_data
= private_data
;
1084 if (rpc_nfs_getattr_async(nfs
->rpc
, nfs_stat_1_cb
, &nfsfh
->fh
, data
) != 0) {
1085 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send STAT GETATTR call for %s", data
->path
);
1086 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1087 free_nfs_cb_data(data
);
1098 static void nfs_fsync_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
1100 struct nfs_cb_data
*data
= private_data
;
1101 struct nfs_context
*nfs
= data
->nfs
;
1104 if (status
== RPC_STATUS_ERROR
) {
1105 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1106 free_nfs_cb_data(data
);
1109 if (status
== RPC_STATUS_CANCEL
) {
1110 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1111 free_nfs_cb_data(data
);
1116 if (res
->status
!= NFS3_OK
) {
1117 rpc_set_error(nfs
->rpc
, "NFS: Commit failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
1118 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1119 free_nfs_cb_data(data
);
1123 data
->cb(0, nfs
, NULL
, data
->private_data
);
1124 free_nfs_cb_data(data
);
1127 int nfs_fsync_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, nfs_cb cb
, void *private_data
)
1129 struct nfs_cb_data
*data
;
1131 data
= malloc(sizeof(struct nfs_cb_data
));
1133 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_cb_data structure");
1136 bzero(data
, sizeof(struct nfs_cb_data
));
1139 data
->private_data
= private_data
;
1141 if (rpc_nfs_commit_async(nfs
->rpc
, nfs_fsync_cb
, &nfsfh
->fh
, data
) != 0) {
1142 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send COMMIT call for %s", data
->path
);
1143 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1144 free_nfs_cb_data(data
);
1156 static void nfs_ftruncate_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
1158 struct nfs_cb_data
*data
= private_data
;
1159 struct nfs_context
*nfs
= data
->nfs
;
1162 if (status
== RPC_STATUS_ERROR
) {
1163 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1164 free_nfs_cb_data(data
);
1167 if (status
== RPC_STATUS_CANCEL
) {
1168 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1169 free_nfs_cb_data(data
);
1174 if (res
->status
!= NFS3_OK
) {
1175 rpc_set_error(nfs
->rpc
, "NFS: Setattr failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
1176 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1177 free_nfs_cb_data(data
);
1181 data
->cb(0, nfs
, NULL
, data
->private_data
);
1182 free_nfs_cb_data(data
);
1185 int nfs_ftruncate_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, off_t length
, nfs_cb cb
, void *private_data
)
1187 struct nfs_cb_data
*data
;
1190 data
= malloc(sizeof(struct nfs_cb_data
));
1192 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_cb_data structure");
1195 bzero(data
, sizeof(struct nfs_cb_data
));
1198 data
->private_data
= private_data
;
1200 bzero(&args
, sizeof(SETATTR3args
));
1201 args
.object
.data
.data_len
= nfsfh
->fh
.data
.data_len
;
1202 args
.object
.data
.data_val
= nfsfh
->fh
.data
.data_val
;
1203 args
.new_attributes
.size
.set_it
= 1;
1204 args
.new_attributes
.size
.set_size3_u
.size
= length
;
1206 if (rpc_nfs_setattr_async(nfs
->rpc
, nfs_ftruncate_cb
, &args
, data
) != 0) {
1207 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SETATTR call for %s", data
->path
);
1208 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1209 free_nfs_cb_data(data
);
1219 static int nfs_truncate_continue_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
1221 off_t offset
= data
->continue_int
;
1224 nfsfh
.fh
.data
.data_val
= data
->fh
.data
.data_val
;
1225 nfsfh
.fh
.data
.data_len
= data
->fh
.data
.data_len
;
1227 if (nfs_ftruncate_async(nfs
, &nfsfh
, offset
, data
->cb
, data
->private_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
);
1233 free_nfs_cb_data(data
);
1237 int nfs_truncate_async(struct nfs_context
*nfs
, const char *path
, off_t length
, nfs_cb cb
, void *private_data
)
1243 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_truncate_continue_internal
, NULL
, NULL
, offset
) != 0) {
1244 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
1257 static void nfs_mkdir_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
1260 struct nfs_cb_data
*data
= private_data
;
1261 struct nfs_context
*nfs
= data
->nfs
;
1262 char *str
= data
->continue_data
;
1264 str
= &str
[strlen(str
) + 1];
1266 if (status
== RPC_STATUS_ERROR
) {
1267 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1268 free_nfs_cb_data(data
);
1271 if (status
== RPC_STATUS_CANCEL
) {
1272 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1273 free_nfs_cb_data(data
);
1278 if (res
->status
!= NFS3_OK
) {
1279 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
));
1280 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1281 free_nfs_cb_data(data
);
1285 data
->cb(0, nfs
, NULL
, data
->private_data
);
1286 free_nfs_cb_data(data
);
1289 static int nfs_mkdir_continue_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
1291 char *str
= data
->continue_data
;
1293 str
= &str
[strlen(str
) + 1];
1295 if (rpc_nfs_mkdir_async(nfs
->rpc
, nfs_mkdir_cb
, &data
->fh
, str
, data
) != 0) {
1296 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send MKDIR call for %s", data
->path
);
1297 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1298 free_nfs_cb_data(data
);
1304 int nfs_mkdir_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
1309 new_path
= strdup(path
);
1310 if (new_path
== NULL
) {
1311 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for path");
1315 ptr
= rindex(new_path
, '/');
1317 rpc_set_error(nfs
->rpc
, "Invalid path %s", path
);
1322 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
1323 if (nfs_lookuppath_async(nfs
, new_path
, cb
, private_data
, nfs_mkdir_continue_internal
, new_path
, free
, 0) != 0) {
1324 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path component");
1338 static void nfs_rmdir_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
1341 struct nfs_cb_data
*data
= private_data
;
1342 struct nfs_context
*nfs
= data
->nfs
;
1343 char *str
= data
->continue_data
;
1345 str
= &str
[strlen(str
) + 1];
1347 if (status
== RPC_STATUS_ERROR
) {
1348 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1349 free_nfs_cb_data(data
);
1352 if (status
== RPC_STATUS_CANCEL
) {
1353 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1354 free_nfs_cb_data(data
);
1359 if (res
->status
!= NFS3_OK
) {
1360 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
));
1361 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1362 free_nfs_cb_data(data
);
1366 data
->cb(0, nfs
, NULL
, data
->private_data
);
1367 free_nfs_cb_data(data
);
1370 static int nfs_rmdir_continue_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
1372 char *str
= data
->continue_data
;
1374 str
= &str
[strlen(str
) + 1];
1376 if (rpc_nfs_rmdir_async(nfs
->rpc
, nfs_rmdir_cb
, &data
->fh
, str
, data
) != 0) {
1377 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send RMDIR call for %s", data
->path
);
1378 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1379 free_nfs_cb_data(data
);
1385 int nfs_rmdir_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
1390 new_path
= strdup(path
);
1391 if (new_path
== NULL
) {
1392 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for path");
1396 ptr
= rindex(new_path
, '/');
1398 rpc_set_error(nfs
->rpc
, "Invalid path %s", path
);
1403 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
1404 if (nfs_lookuppath_async(nfs
, new_path
, cb
, private_data
, nfs_rmdir_continue_internal
, new_path
, free
, 0) != 0) {
1405 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
1418 static void nfs_create_2_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
1421 struct nfs_cb_data
*data
= private_data
;
1422 struct nfs_context
*nfs
= data
->nfs
;
1423 struct nfsfh
*nfsfh
;
1424 char *str
= data
->continue_data
;
1426 if (status
== RPC_STATUS_ERROR
) {
1427 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1428 free_nfs_cb_data(data
);
1431 if (status
== RPC_STATUS_CANCEL
) {
1432 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1433 free_nfs_cb_data(data
);
1437 str
= &str
[strlen(str
) + 1];
1439 if (res
->status
!= NFS3_OK
) {
1440 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
));
1441 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1446 nfsfh
= malloc(sizeof(struct nfsfh
));
1447 if (nfsfh
== NULL
) {
1448 rpc_set_error(nfs
->rpc
, "NFS: Failed to allocate nfsfh structure");
1449 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1450 free_nfs_cb_data(data
);
1453 bzero(nfsfh
, sizeof(struct nfsfh
));
1455 /* steal the filehandle */
1456 nfsfh
->fh
.data
.data_len
= data
->fh
.data
.data_len
;
1457 nfsfh
->fh
.data
.data_val
= data
->fh
.data
.data_val
;
1458 data
->fh
.data
.data_val
= NULL
;
1460 data
->cb(0, nfs
, nfsfh
, data
->private_data
);
1461 free_nfs_cb_data(data
);
1466 static void nfs_creat_1_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
1469 struct nfs_cb_data
*data
= private_data
;
1470 struct nfs_context
*nfs
= data
->nfs
;
1471 char *str
= data
->continue_data
;
1473 if (status
== RPC_STATUS_ERROR
) {
1474 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1475 free_nfs_cb_data(data
);
1478 if (status
== RPC_STATUS_CANCEL
) {
1479 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1480 free_nfs_cb_data(data
);
1484 str
= &str
[strlen(str
) + 1];
1486 if (res
->status
!= NFS3_OK
) {
1487 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
));
1488 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1493 if (rpc_nfs_lookup_async(nfs
->rpc
, nfs_create_2_cb
, &data
->fh
, str
, data
) != 0) {
1494 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send lookup call for %s/%s", data
->saved_path
, str
);
1495 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1496 free_nfs_cb_data(data
);
1502 static int nfs_creat_continue_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
1504 char *str
= data
->continue_data
;
1506 str
= &str
[strlen(str
) + 1];
1508 if (rpc_nfs_create_async(nfs
->rpc
, nfs_creat_1_cb
, &data
->fh
, str
, data
->continue_int
, data
) != 0) {
1509 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send CREATE call for %s/%s", data
->path
, str
);
1510 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1511 free_nfs_cb_data(data
);
1517 int nfs_creat_async(struct nfs_context
*nfs
, const char *path
, int mode
, nfs_cb cb
, void *private_data
)
1522 new_path
= strdup(path
);
1523 if (new_path
== NULL
) {
1524 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for path");
1528 ptr
= rindex(new_path
, '/');
1530 rpc_set_error(nfs
->rpc
, "Invalid path %s", path
);
1535 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
1536 if (nfs_lookuppath_async(nfs
, new_path
, cb
, private_data
, nfs_creat_continue_internal
, new_path
, free
, mode
) != 0) {
1537 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
1550 static void nfs_unlink_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
1553 struct nfs_cb_data
*data
= private_data
;
1554 struct nfs_context
*nfs
= data
->nfs
;
1555 char *str
= data
->continue_data
;
1557 str
= &str
[strlen(str
) + 1];
1559 if (status
== RPC_STATUS_ERROR
) {
1560 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1561 free_nfs_cb_data(data
);
1564 if (status
== RPC_STATUS_CANCEL
) {
1565 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1566 free_nfs_cb_data(data
);
1571 if (res
->status
!= NFS3_OK
) {
1572 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
));
1573 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1574 free_nfs_cb_data(data
);
1578 data
->cb(0, nfs
, NULL
, data
->private_data
);
1579 free_nfs_cb_data(data
);
1582 static int nfs_unlink_continue_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
1584 char *str
= data
->continue_data
;
1586 str
= &str
[strlen(str
) + 1];
1588 if (rpc_nfs_remove_async(nfs
->rpc
, nfs_unlink_cb
, &data
->fh
, str
, data
) != 0) {
1589 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send REMOVE call for %s", data
->path
);
1590 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1591 free_nfs_cb_data(data
);
1597 int nfs_unlink_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
1602 new_path
= strdup(path
);
1603 if (new_path
== NULL
) {
1604 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for path");
1608 ptr
= rindex(new_path
, '/');
1610 rpc_set_error(nfs
->rpc
, "Invalid path %s", path
);
1615 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
1616 if (nfs_lookuppath_async(nfs
, new_path
, cb
, private_data
, nfs_unlink_continue_internal
, new_path
, free
, 0) != 0) {
1617 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
1631 static void nfs_opendir_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
1634 struct nfs_cb_data
*data
= private_data
;
1635 struct nfs_context
*nfs
= data
->nfs
;
1636 struct nfsdir
*nfsdir
= data
->continue_data
;;
1637 struct entry3
*entry
;
1640 if (status
== RPC_STATUS_ERROR
) {
1641 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1642 nfs_free_nfsdir(nfsdir
);
1643 data
->continue_data
= NULL
;
1644 free_nfs_cb_data(data
);
1647 if (status
== RPC_STATUS_CANCEL
) {
1648 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1649 nfs_free_nfsdir(nfsdir
);
1650 data
->continue_data
= NULL
;
1651 free_nfs_cb_data(data
);
1656 if (res
->status
!= NFS3_OK
) {
1657 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
));
1658 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1659 nfs_free_nfsdir(nfsdir
);
1660 data
->continue_data
= NULL
;
1661 free_nfs_cb_data(data
);
1665 entry
=res
->READDIR3res_u
.resok
.reply
.entries
;
1666 while (entry
!= NULL
) {
1667 struct nfsdirent
*nfsdirent
;
1669 nfsdirent
= malloc(sizeof(struct nfsdirent
));
1670 if (nfsdirent
== NULL
) {
1671 data
->cb(-ENOMEM
, nfs
, "Failed to allocate dirent", data
->private_data
);
1672 nfs_free_nfsdir(nfsdir
);
1673 data
->continue_data
= NULL
;
1674 free_nfs_cb_data(data
);
1677 bzero(nfsdirent
, sizeof(struct nfsdirent
));
1678 nfsdirent
->name
= strdup(entry
->name
);
1679 if (nfsdirent
->name
== NULL
) {
1680 data
->cb(-ENOMEM
, nfs
, "Failed to allocate dirent->name", data
->private_data
);
1681 nfs_free_nfsdir(nfsdir
);
1682 data
->continue_data
= NULL
;
1683 free_nfs_cb_data(data
);
1686 nfsdirent
->inode
= entry
->fileid
;
1687 nfsdirent
->next
= nfsdir
->entries
;
1688 nfsdir
->entries
= nfsdirent
;
1690 cookie
= entry
->cookie
;
1691 entry
= entry
->nextentry
;
1694 if (res
->READDIR3res_u
.resok
.reply
.eof
== 0) {
1695 if (rpc_nfs_readdir_async(nfs
->rpc
, nfs_opendir_cb
, &data
->fh
, cookie
, res
->READDIR3res_u
.resok
.cookieverf
, 20000, data
) != 0) {
1696 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READDIR call for %s", data
->path
);
1697 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1698 nfs_free_nfsdir(nfsdir
);
1699 data
->continue_data
= NULL
;
1700 free_nfs_cb_data(data
);
1706 /* steal the dirhandle */
1707 data
->continue_data
= NULL
;
1708 nfsdir
->current
= nfsdir
->entries
;
1710 data
->cb(0, nfs
, nfsdir
, data
->private_data
);
1711 free_nfs_cb_data(data
);
1714 static int nfs_opendir_continue_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
1718 bzero(cv
, sizeof(cookieverf3
));
1719 if (rpc_nfs_readdir_async(nfs
->rpc
, nfs_opendir_cb
, &data
->fh
, 0, (char *)&cv
, 20000, data
) != 0) {
1720 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READDIR call for %s", data
->path
);
1721 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1722 free_nfs_cb_data(data
);
1728 int nfs_opendir_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
1730 struct nfsdir
*nfsdir
;
1732 nfsdir
= malloc(sizeof(struct nfsdir
));
1733 if (nfsdir
== NULL
) {
1734 rpc_set_error(nfs
->rpc
, "failed to allocate buffer for nfsdir");
1737 bzero(nfsdir
, sizeof(struct nfsdir
));
1739 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_opendir_continue_internal
, nfsdir
, free
, 0) != 0) {
1740 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
1748 struct nfsdirent
*nfs_readdir(struct nfs_context
*nfs _U_
, struct nfsdir
*nfsdir
)
1750 struct nfsdirent
*nfsdirent
= nfsdir
->current
;
1752 if (nfsdir
->current
!= NULL
) {
1753 nfsdir
->current
= nfsdir
->current
->next
;
1759 void nfs_closedir(struct nfs_context
*nfs _U_
, struct nfsdir
*nfsdir
)
1761 nfs_free_nfsdir(nfsdir
);
1773 struct lseek_cb_data
{
1774 struct nfs_context
*nfs
;
1775 struct nfsfh
*nfsfh
;
1781 static void nfs_lseek_1_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
1784 struct lseek_cb_data
*data
= private_data
;
1785 struct nfs_context
*nfs
= data
->nfs
;
1787 if (status
== RPC_STATUS_ERROR
) {
1788 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1792 if (status
== RPC_STATUS_CANCEL
) {
1793 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1799 if (res
->status
!= NFS3_OK
) {
1800 rpc_set_error(nfs
->rpc
, "NFS: GETATTR failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
1801 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1806 data
->nfsfh
->offset
= data
->offset
+ res
->GETATTR3res_u
.resok
.obj_attributes
.size
;
1807 data
->cb(0, nfs
, &data
->nfsfh
->offset
, data
->private_data
);
1811 int nfs_lseek_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, off_t offset
, int whence
, nfs_cb cb
, void *private_data
)
1813 struct lseek_cb_data
*data
;
1815 if (whence
== SEEK_SET
) {
1816 nfsfh
->offset
= offset
;
1817 cb(0, nfs
, &nfsfh
->offset
, private_data
);
1820 if (whence
== SEEK_CUR
) {
1821 nfsfh
->offset
+= offset
;
1822 cb(0, nfs
, &nfsfh
->offset
, private_data
);
1826 data
= malloc(sizeof(struct lseek_cb_data
));
1828 rpc_set_error(nfs
->rpc
, "Out Of Memory: Failed to malloc lseek cb data");
1833 data
->nfsfh
= nfsfh
;
1834 data
->offset
= offset
;
1836 data
->private_data
= private_data
;
1838 if (rpc_nfs_getattr_async(nfs
->rpc
, nfs_lseek_1_cb
, &nfsfh
->fh
, data
) != 0) {
1839 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send LSEEK GETATTR call");
1852 static void nfs_statvfs_1_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
1855 struct nfs_cb_data
*data
= private_data
;
1856 struct nfs_context
*nfs
= data
->nfs
;
1857 struct statvfs svfs
;
1859 if (status
== RPC_STATUS_ERROR
) {
1860 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1861 free_nfs_cb_data(data
);
1864 if (status
== RPC_STATUS_CANCEL
) {
1865 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1866 free_nfs_cb_data(data
);
1871 if (res
->status
!= NFS3_OK
) {
1872 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
));
1873 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1874 free_nfs_cb_data(data
);
1878 svfs
.f_bsize
= 4096;
1879 svfs
.f_frsize
= 4096;
1880 svfs
.f_blocks
= res
->FSSTAT3res_u
.resok
.tbytes
/4096;
1881 svfs
.f_bfree
= res
->FSSTAT3res_u
.resok
.fbytes
/4096;
1882 svfs
.f_bavail
= res
->FSSTAT3res_u
.resok
.abytes
/4096;
1883 svfs
.f_files
= res
->FSSTAT3res_u
.resok
.tfiles
;
1884 svfs
.f_ffree
= res
->FSSTAT3res_u
.resok
.ffiles
;
1885 svfs
.f_favail
= res
->FSSTAT3res_u
.resok
.afiles
;
1888 svfs
.f_namemax
= 256;
1890 data
->cb(0, nfs
, &svfs
, data
->private_data
);
1891 free_nfs_cb_data(data
);
1894 static int nfs_statvfs_continue_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
1896 if (rpc_nfs_fsstat_async(nfs
->rpc
, nfs_statvfs_1_cb
, &data
->fh
, data
) != 0) {
1897 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send FSSTAT call for %s", data
->path
);
1898 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1899 free_nfs_cb_data(data
);
1905 int nfs_statvfs_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
1907 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_statvfs_continue_internal
, NULL
, NULL
, 0) != 0) {
1908 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
1921 static void nfs_readlink_1_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
1924 struct nfs_cb_data
*data
= private_data
;
1925 struct nfs_context
*nfs
= data
->nfs
;
1927 if (status
== RPC_STATUS_ERROR
) {
1928 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1929 free_nfs_cb_data(data
);
1932 if (status
== RPC_STATUS_CANCEL
) {
1933 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1934 free_nfs_cb_data(data
);
1939 if (res
->status
!= NFS3_OK
) {
1940 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
));
1941 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1942 free_nfs_cb_data(data
);
1947 data
->cb(0, nfs
, res
->READLINK3res_u
.resok
.data
, data
->private_data
);
1948 free_nfs_cb_data(data
);
1951 static int nfs_readlink_continue_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
1953 if (rpc_nfs_readlink_async(nfs
->rpc
, nfs_readlink_1_cb
, &data
->fh
, data
) != 0) {
1954 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READLINK call for %s", data
->path
);
1955 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1956 free_nfs_cb_data(data
);
1962 int nfs_readlink_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
1964 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_readlink_continue_internal
, NULL
, NULL
, 0) != 0) {
1965 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
1978 static void nfs_chmod_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
1980 struct nfs_cb_data
*data
= private_data
;
1981 struct nfs_context
*nfs
= data
->nfs
;
1984 if (status
== RPC_STATUS_ERROR
) {
1985 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1986 free_nfs_cb_data(data
);
1989 if (status
== RPC_STATUS_CANCEL
) {
1990 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1991 free_nfs_cb_data(data
);
1996 if (res
->status
!= NFS3_OK
) {
1997 rpc_set_error(nfs
->rpc
, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
1998 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1999 free_nfs_cb_data(data
);
2003 data
->cb(0, nfs
, NULL
, data
->private_data
);
2004 free_nfs_cb_data(data
);
2007 static int nfs_chmod_continue_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
2011 bzero(&args
, sizeof(SETATTR3args
));
2012 args
.object
.data
.data_len
= data
->fh
.data
.data_len
;
2013 args
.object
.data
.data_val
= data
->fh
.data
.data_val
;
2014 args
.new_attributes
.mode
.set_it
= 1;
2015 args
.new_attributes
.mode
.set_mode3_u
.mode
= data
->continue_int
;
2017 if (rpc_nfs_setattr_async(nfs
->rpc
, nfs_chmod_cb
, &args
, data
) != 0) {
2018 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SETATTR call for %s", data
->path
);
2019 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2020 free_nfs_cb_data(data
);
2027 int nfs_chmod_async(struct nfs_context
*nfs
, const char *path
, int mode
, nfs_cb cb
, void *private_data
)
2029 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_chmod_continue_internal
, NULL
, NULL
, mode
) != 0) {
2030 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
2040 int nfs_fchmod_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, int mode
, nfs_cb cb
, void *private_data
)
2042 struct nfs_cb_data
*data
;
2044 data
= malloc(sizeof(struct nfs_cb_data
));
2046 rpc_set_error(nfs
->rpc
, "out of memory. failed to allocate memory for nfs mount data");
2049 bzero(data
, sizeof(struct nfs_cb_data
));
2052 data
->private_data
= private_data
;
2053 data
->continue_int
= mode
;
2054 data
->fh
.data
.data_len
= nfsfh
->fh
.data
.data_len
;
2055 data
->fh
.data
.data_val
= malloc(data
->fh
.data
.data_len
);
2056 if (data
->fh
.data
.data_val
== NULL
) {
2057 rpc_set_error(nfs
->rpc
, "Out of memory: Failed to allocate fh");
2058 free_nfs_cb_data(data
);
2061 memcpy(data
->fh
.data
.data_val
, nfsfh
->fh
.data
.data_val
, data
->fh
.data
.data_len
);
2063 if (nfs_chmod_continue_internal(nfs
, data
) != 0) {
2064 free_nfs_cb_data(data
);
2076 static void nfs_chown_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
2078 struct nfs_cb_data
*data
= private_data
;
2079 struct nfs_context
*nfs
= data
->nfs
;
2082 if (status
== RPC_STATUS_ERROR
) {
2083 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2084 free_nfs_cb_data(data
);
2087 if (status
== RPC_STATUS_CANCEL
) {
2088 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2089 free_nfs_cb_data(data
);
2094 if (res
->status
!= NFS3_OK
) {
2095 rpc_set_error(nfs
->rpc
, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
2096 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2097 free_nfs_cb_data(data
);
2101 data
->cb(0, nfs
, NULL
, data
->private_data
);
2102 free_nfs_cb_data(data
);
2105 struct nfs_chown_data
{
2110 static int nfs_chown_continue_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
2113 struct nfs_chown_data
*chown_data
= data
->continue_data
;
2115 bzero(&args
, sizeof(SETATTR3args
));
2116 args
.object
.data
.data_len
= data
->fh
.data
.data_len
;
2117 args
.object
.data
.data_val
= data
->fh
.data
.data_val
;
2118 if (chown_data
->uid
!= (uid_t
)-1) {
2119 args
.new_attributes
.uid
.set_it
= 1;
2120 args
.new_attributes
.uid
.set_uid3_u
.uid
= chown_data
->uid
;
2122 if (chown_data
->gid
!= (gid_t
)-1) {
2123 args
.new_attributes
.gid
.set_it
= 1;
2124 args
.new_attributes
.gid
.set_gid3_u
.gid
= chown_data
->gid
;
2127 if (rpc_nfs_setattr_async(nfs
->rpc
, nfs_chown_cb
, &args
, data
) != 0) {
2128 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SETATTR call for %s", data
->path
);
2129 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2130 free_nfs_cb_data(data
);
2137 int nfs_chown_async(struct nfs_context
*nfs
, const char *path
, int uid
, int gid
, nfs_cb cb
, void *private_data
)
2139 struct nfs_chown_data
*chown_data
;
2141 chown_data
= malloc(sizeof(struct nfs_chown_data
));
2142 if (chown_data
== NULL
) {
2143 rpc_set_error(nfs
->rpc
, "Failed to allocate memory for chown data structure");
2147 chown_data
->uid
= uid
;
2148 chown_data
->gid
= gid
;
2150 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_chown_continue_internal
, chown_data
, free
, 0) != 0) {
2151 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
2162 int nfs_fchown_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, int uid
, int gid
, nfs_cb cb
, void *private_data
)
2164 struct nfs_cb_data
*data
;
2165 struct nfs_chown_data
*chown_data
;
2167 chown_data
= malloc(sizeof(struct nfs_chown_data
));
2168 if (chown_data
== NULL
) {
2169 rpc_set_error(nfs
->rpc
, "Failed to allocate memory for chown data structure");
2173 chown_data
->uid
= uid
;
2174 chown_data
->gid
= gid
;
2177 data
= malloc(sizeof(struct nfs_cb_data
));
2179 rpc_set_error(nfs
->rpc
, "out of memory. failed to allocate memory for fchown data");
2182 bzero(data
, sizeof(struct nfs_cb_data
));
2185 data
->private_data
= private_data
;
2186 data
->continue_data
= chown_data
;
2187 data
->fh
.data
.data_len
= nfsfh
->fh
.data
.data_len
;
2188 data
->fh
.data
.data_val
= malloc(data
->fh
.data
.data_len
);
2189 if (data
->fh
.data
.data_val
== NULL
) {
2190 rpc_set_error(nfs
->rpc
, "Out of memory: Failed to allocate fh");
2191 free_nfs_cb_data(data
);
2194 memcpy(data
->fh
.data
.data_val
, nfsfh
->fh
.data
.data_val
, data
->fh
.data
.data_len
);
2197 if (nfs_chown_continue_internal(nfs
, data
) != 0) {
2198 free_nfs_cb_data(data
);
2212 static void nfs_utimes_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
2214 struct nfs_cb_data
*data
= private_data
;
2215 struct nfs_context
*nfs
= data
->nfs
;
2218 if (status
== RPC_STATUS_ERROR
) {
2219 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2220 free_nfs_cb_data(data
);
2223 if (status
== RPC_STATUS_CANCEL
) {
2224 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2225 free_nfs_cb_data(data
);
2230 if (res
->status
!= NFS3_OK
) {
2231 rpc_set_error(nfs
->rpc
, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
2232 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2233 free_nfs_cb_data(data
);
2237 data
->cb(0, nfs
, NULL
, data
->private_data
);
2238 free_nfs_cb_data(data
);
2241 static int nfs_utimes_continue_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
2244 struct timeval
*utimes_data
= data
->continue_data
;
2246 bzero(&args
, sizeof(SETATTR3args
));
2247 args
.object
.data
.data_len
= data
->fh
.data
.data_len
;
2248 args
.object
.data
.data_val
= data
->fh
.data
.data_val
;
2249 if (utimes_data
!= NULL
) {
2250 args
.new_attributes
.atime
.set_it
= SET_TO_CLIENT_TIME
;
2251 args
.new_attributes
.atime
.set_atime_u
.atime
.seconds
= utimes_data
[0].tv_sec
;
2252 args
.new_attributes
.atime
.set_atime_u
.atime
.nseconds
= utimes_data
[0].tv_usec
* 1000;
2253 args
.new_attributes
.mtime
.set_it
= SET_TO_CLIENT_TIME
;
2254 args
.new_attributes
.mtime
.set_mtime_u
.mtime
.seconds
= utimes_data
[1].tv_sec
;
2255 args
.new_attributes
.mtime
.set_mtime_u
.mtime
.nseconds
= utimes_data
[1].tv_usec
* 1000;
2257 args
.new_attributes
.atime
.set_it
= SET_TO_SERVER_TIME
;
2258 args
.new_attributes
.mtime
.set_it
= SET_TO_SERVER_TIME
;
2261 if (rpc_nfs_setattr_async(nfs
->rpc
, nfs_utimes_cb
, &args
, data
) != 0) {
2262 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SETATTR call for %s", data
->path
);
2263 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2264 free_nfs_cb_data(data
);
2271 int nfs_utimes_async(struct nfs_context
*nfs
, const char *path
, struct timeval
*times
, nfs_cb cb
, void *private_data
)
2273 struct timeval
*new_times
= NULL
;
2275 if (times
!= NULL
) {
2276 new_times
= malloc(sizeof(struct timeval
)*2);
2277 if (new_times
== NULL
) {
2278 rpc_set_error(nfs
->rpc
, "Failed to allocate memory for timeval structure");
2282 memcpy(new_times
, times
, sizeof(struct timeval
)*2);
2285 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_utimes_continue_internal
, new_times
, free
, 0) != 0) {
2286 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
2296 int nfs_utime_async(struct nfs_context
*nfs
, const char *path
, struct utimbuf
*times
, nfs_cb cb
, void *private_data
)
2298 struct timeval
*new_times
= NULL
;
2300 if (times
!= NULL
) {
2301 new_times
= malloc(sizeof(struct timeval
)*2);
2302 if (new_times
== NULL
) {
2303 rpc_set_error(nfs
->rpc
, "Failed to allocate memory for timeval structure");
2307 new_times
[0].tv_sec
= times
->actime
;
2308 new_times
[0].tv_usec
= 0;
2309 new_times
[1].tv_sec
= times
->modtime
;
2310 new_times
[1].tv_usec
= 0;
2313 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_utimes_continue_internal
, new_times
, free
, 0) != 0) {
2314 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
2328 static void nfs_access_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
2331 struct nfs_cb_data
*data
= private_data
;
2332 struct nfs_context
*nfs
= data
->nfs
;
2333 unsigned int nfsmode
= 0;
2335 if (status
== RPC_STATUS_ERROR
) {
2336 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2337 free_nfs_cb_data(data
);
2340 if (status
== RPC_STATUS_CANCEL
) {
2341 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2342 free_nfs_cb_data(data
);
2347 if (res
->status
!= NFS3_OK
) {
2348 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
));
2349 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2350 free_nfs_cb_data(data
);
2354 if (data
->continue_int
& R_OK
) {
2355 nfsmode
|= ACCESS3_READ
;
2357 if (data
->continue_int
& W_OK
) {
2358 nfsmode
|= ACCESS3_MODIFY
;
2360 if (data
->continue_int
& X_OK
) {
2361 nfsmode
|= ACCESS3_EXECUTE
;
2364 if (res
->ACCESS3res_u
.resok
.access
!= nfsmode
) {
2365 rpc_set_error(nfs
->rpc
, "NFS: ACCESS denied. Required access %c%c%c. Allowed access %c%c%c",
2366 nfsmode
&ACCESS3_READ
?'r':'-',
2367 nfsmode
&ACCESS3_MODIFY
?'w':'-',
2368 nfsmode
&ACCESS3_EXECUTE
?'x':'-',
2369 res
->ACCESS3res_u
.resok
.access
&ACCESS3_READ
?'r':'-',
2370 res
->ACCESS3res_u
.resok
.access
&ACCESS3_MODIFY
?'w':'-',
2371 res
->ACCESS3res_u
.resok
.access
&ACCESS3_EXECUTE
?'x':'-');
2372 data
->cb(-EACCES
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2373 free_nfs_cb_data(data
);
2377 data
->cb(0, nfs
, NULL
, data
->private_data
);
2378 free_nfs_cb_data(data
);
2381 static int nfs_access_continue_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
2385 if (data
->continue_int
& R_OK
) {
2386 nfsmode
|= ACCESS3_READ
;
2388 if (data
->continue_int
& W_OK
) {
2389 nfsmode
|= ACCESS3_MODIFY
;
2391 if (data
->continue_int
& X_OK
) {
2392 nfsmode
|= ACCESS3_EXECUTE
;
2395 if (rpc_nfs_access_async(nfs
->rpc
, nfs_access_cb
, &data
->fh
, nfsmode
, data
) != 0) {
2396 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send OPEN ACCESS call for %s", data
->path
);
2397 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2398 free_nfs_cb_data(data
);
2404 int nfs_access_async(struct nfs_context
*nfs
, const char *path
, int mode
, nfs_cb cb
, void *private_data
)
2406 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_access_continue_internal
, NULL
, NULL
, mode
) != 0) {
2407 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
2419 struct nfs_symlink_data
{
2421 char *newpathparent
;
2422 char *newpathobject
;
2425 static void free_nfs_symlink_data(void *mem
)
2427 struct nfs_symlink_data
*data
= mem
;
2429 if (data
->oldpath
!= NULL
) {
2430 free(data
->oldpath
);
2432 if (data
->newpathparent
!= NULL
) {
2433 free(data
->newpathparent
);
2435 if (data
->newpathobject
!= NULL
) {
2436 free(data
->newpathobject
);
2441 static void nfs_symlink_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
2444 struct nfs_cb_data
*data
= private_data
;
2445 struct nfs_context
*nfs
= data
->nfs
;
2446 struct nfs_symlink_data
*symlink_data
= data
->continue_data
;
2448 if (status
== RPC_STATUS_ERROR
) {
2449 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2450 free_nfs_cb_data(data
);
2453 if (status
== RPC_STATUS_CANCEL
) {
2454 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2455 free_nfs_cb_data(data
);
2460 if (res
->status
!= NFS3_OK
) {
2461 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
));
2462 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2463 free_nfs_cb_data(data
);
2467 data
->cb(0, nfs
, NULL
, data
->private_data
);
2468 free_nfs_cb_data(data
);
2471 static int nfs_symlink_continue_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
2473 struct nfs_symlink_data
*symlink_data
= data
->continue_data
;
2475 if (rpc_nfs_symlink_async(nfs
->rpc
, nfs_symlink_cb
, &data
->fh
, symlink_data
->newpathobject
, symlink_data
->oldpath
, data
) != 0) {
2476 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SYMLINK call for %s", data
->path
);
2477 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2478 free_nfs_cb_data(data
);
2484 int nfs_symlink_async(struct nfs_context
*nfs
, const char *oldpath
, const char *newpath
, nfs_cb cb
, void *private_data
)
2487 struct nfs_symlink_data
*symlink_data
;
2489 symlink_data
= malloc(sizeof(struct nfs_symlink_data
));
2490 if (symlink_data
== NULL
) {
2491 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for symlink data");
2494 bzero(symlink_data
, sizeof(struct nfs_symlink_data
));
2496 symlink_data
->oldpath
= strdup(oldpath
);
2497 if (symlink_data
->oldpath
== NULL
) {
2498 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for oldpath");
2499 free_nfs_symlink_data(symlink_data
);
2503 symlink_data
->newpathparent
= strdup(newpath
);
2504 if (symlink_data
->newpathparent
== NULL
) {
2505 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for new path");
2506 free_nfs_symlink_data(symlink_data
);
2510 ptr
= rindex(symlink_data
->newpathparent
, '/');
2512 rpc_set_error(nfs
->rpc
, "Invalid path %s", oldpath
);
2513 free_nfs_symlink_data(symlink_data
);
2519 symlink_data
->newpathobject
= strdup(ptr
);
2520 if (symlink_data
->newpathobject
== NULL
) {
2521 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for new path");
2522 free_nfs_symlink_data(symlink_data
);
2526 if (nfs_lookuppath_async(nfs
, symlink_data
->newpathparent
, cb
, private_data
, nfs_symlink_continue_internal
, symlink_data
, free_nfs_symlink_data
, 0) != 0) {
2527 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
2539 struct nfs_rename_data
{
2542 struct nfs_fh3 olddir
;
2545 struct nfs_fh3 newdir
;
2548 static void free_nfs_rename_data(void *mem
)
2550 struct nfs_rename_data
*data
= mem
;
2552 if (data
->oldpath
!= NULL
) {
2553 free(data
->oldpath
);
2555 if (data
->olddir
.data
.data_val
!= NULL
) {
2556 free(data
->olddir
.data
.data_val
);
2558 if (data
->newpath
!= NULL
) {
2559 free(data
->newpath
);
2561 if (data
->newdir
.data
.data_val
!= NULL
) {
2562 free(data
->newdir
.data
.data_val
);
2567 static void nfs_rename_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
2570 struct nfs_cb_data
*data
= private_data
;
2571 struct nfs_context
*nfs
= data
->nfs
;
2572 struct nfs_rename_data
*rename_data
= data
->continue_data
;
2574 if (status
== RPC_STATUS_ERROR
) {
2575 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2576 free_nfs_cb_data(data
);
2579 if (status
== RPC_STATUS_CANCEL
) {
2580 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2581 free_nfs_cb_data(data
);
2586 if (res
->status
!= NFS3_OK
) {
2587 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
));
2588 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2589 free_nfs_cb_data(data
);
2593 data
->cb(0, nfs
, NULL
, data
->private_data
);
2594 free_nfs_cb_data(data
);
2597 static int nfs_rename_continue_2_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
2599 struct nfs_rename_data
*rename_data
= data
->continue_data
;
2601 /* steal the filehandle */
2602 rename_data
->newdir
.data
.data_len
= data
->fh
.data
.data_len
;
2603 rename_data
->newdir
.data
.data_val
= data
->fh
.data
.data_val
;
2604 data
->fh
.data
.data_val
= NULL
;
2606 if (rpc_nfs_rename_async(nfs
->rpc
, nfs_rename_cb
, &rename_data
->olddir
, rename_data
->oldobject
, &rename_data
->newdir
, rename_data
->newobject
, data
) != 0) {
2607 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send RENAME call for %s", data
->path
);
2608 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2609 free_nfs_cb_data(data
);
2616 static int nfs_rename_continue_1_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
2618 struct nfs_rename_data
*rename_data
= data
->continue_data
;
2620 /* steal the filehandle */
2621 rename_data
->olddir
.data
.data_len
= data
->fh
.data
.data_len
;
2622 rename_data
->olddir
.data
.data_val
= data
->fh
.data
.data_val
;
2623 data
->fh
.data
.data_val
= NULL
;
2625 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) {
2626 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send LOOKUP call for %s", rename_data
->newpath
);
2627 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2628 free_nfs_cb_data(data
);
2631 data
->continue_data
= NULL
;
2632 free_nfs_cb_data(data
);
2638 int nfs_rename_async(struct nfs_context
*nfs
, const char *oldpath
, const char *newpath
, nfs_cb cb
, void *private_data
)
2641 struct nfs_rename_data
*rename_data
;
2643 rename_data
= malloc(sizeof(struct nfs_rename_data
));
2644 if (rename_data
== NULL
) {
2645 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for rename data");
2648 bzero(rename_data
, sizeof(struct nfs_rename_data
));
2650 rename_data
->oldpath
= strdup(oldpath
);
2651 if (rename_data
->oldpath
== NULL
) {
2652 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for oldpath");
2653 free_nfs_rename_data(rename_data
);
2656 ptr
= rindex(rename_data
->oldpath
, '/');
2658 rpc_set_error(nfs
->rpc
, "Invalid path %s", oldpath
);
2659 free_nfs_rename_data(rename_data
);
2664 rename_data
->oldobject
= ptr
;
2667 rename_data
->newpath
= strdup(newpath
);
2668 if (rename_data
->newpath
== NULL
) {
2669 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for newpath");
2670 free_nfs_rename_data(rename_data
);
2673 ptr
= rindex(rename_data
->newpath
, '/');
2675 rpc_set_error(nfs
->rpc
, "Invalid path %s", newpath
);
2676 free_nfs_rename_data(rename_data
);
2681 rename_data
->newobject
= ptr
;
2684 if (nfs_lookuppath_async(nfs
, rename_data
->oldpath
, cb
, private_data
, nfs_rename_continue_1_internal
, rename_data
, free_nfs_rename_data
, 0) != 0) {
2685 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
2696 struct nfs_link_data
{
2698 struct nfs_fh3 oldfh
;
2701 struct nfs_fh3 newdir
;
2704 static void free_nfs_link_data(void *mem
)
2706 struct nfs_link_data
*data
= mem
;
2708 if (data
->oldpath
!= NULL
) {
2709 free(data
->oldpath
);
2711 if (data
->oldfh
.data
.data_val
!= NULL
) {
2712 free(data
->oldfh
.data
.data_val
);
2714 if (data
->newpath
!= NULL
) {
2715 free(data
->newpath
);
2717 if (data
->newdir
.data
.data_val
!= NULL
) {
2718 free(data
->newdir
.data
.data_val
);
2723 static void nfs_link_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
2726 struct nfs_cb_data
*data
= private_data
;
2727 struct nfs_context
*nfs
= data
->nfs
;
2728 struct nfs_link_data
*link_data
= data
->continue_data
;
2730 if (status
== RPC_STATUS_ERROR
) {
2731 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2732 free_nfs_cb_data(data
);
2735 if (status
== RPC_STATUS_CANCEL
) {
2736 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2737 free_nfs_cb_data(data
);
2742 if (res
->status
!= NFS3_OK
) {
2743 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
));
2744 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2745 free_nfs_cb_data(data
);
2749 data
->cb(0, nfs
, NULL
, data
->private_data
);
2750 free_nfs_cb_data(data
);
2753 static int nfs_link_continue_2_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
2755 struct nfs_link_data
*link_data
= data
->continue_data
;
2757 /* steal the filehandle */
2758 link_data
->newdir
.data
.data_len
= data
->fh
.data
.data_len
;
2759 link_data
->newdir
.data
.data_val
= data
->fh
.data
.data_val
;
2760 data
->fh
.data
.data_val
= NULL
;
2762 if (rpc_nfs_link_async(nfs
->rpc
, nfs_link_cb
, &link_data
->oldfh
, &link_data
->newdir
, link_data
->newobject
, data
) != 0) {
2763 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send LINK call for %s", data
->path
);
2764 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2765 free_nfs_cb_data(data
);
2772 static int nfs_link_continue_1_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
2774 struct nfs_link_data
*link_data
= data
->continue_data
;
2776 /* steal the filehandle */
2777 link_data
->oldfh
.data
.data_len
= data
->fh
.data
.data_len
;
2778 link_data
->oldfh
.data
.data_val
= data
->fh
.data
.data_val
;
2779 data
->fh
.data
.data_val
= NULL
;
2781 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) {
2782 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send LOOKUP call for %s", link_data
->newpath
);
2783 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2784 free_nfs_cb_data(data
);
2787 data
->continue_data
= NULL
;
2788 free_nfs_cb_data(data
);
2794 int nfs_link_async(struct nfs_context
*nfs
, const char *oldpath
, const char *newpath
, nfs_cb cb
, void *private_data
)
2797 struct nfs_link_data
*link_data
;
2799 link_data
= malloc(sizeof(struct nfs_link_data
));
2800 if (link_data
== NULL
) {
2801 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for link data");
2804 bzero(link_data
, sizeof(struct nfs_link_data
));
2806 link_data
->oldpath
= strdup(oldpath
);
2807 if (link_data
->oldpath
== NULL
) {
2808 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for oldpath");
2809 free_nfs_link_data(link_data
);
2813 link_data
->newpath
= strdup(newpath
);
2814 if (link_data
->newpath
== NULL
) {
2815 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for newpath");
2816 free_nfs_link_data(link_data
);
2819 ptr
= rindex(link_data
->newpath
, '/');
2821 rpc_set_error(nfs
->rpc
, "Invalid path %s", newpath
);
2822 free_nfs_link_data(link_data
);
2827 link_data
->newobject
= ptr
;
2830 if (nfs_lookuppath_async(nfs
, link_data
->oldpath
, cb
, private_data
, nfs_link_continue_1_internal
, link_data
, free_nfs_link_data
, 0) != 0) {
2831 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
2839 //qqq replace later with lseek()
2840 off_t
nfs_get_current_offset(struct nfsfh
*nfsfh
)
2842 return nfsfh
->offset
;
2848 * Get the maximum supported READ3 size by the server
2850 size_t nfs_get_readmax(struct nfs_context
*nfs
)
2852 return nfs
->readmax
;
2856 * Get the maximum supported WRITE3 size by the server
2858 size_t nfs_get_writemax(struct nfs_context
*nfs
)
2860 return nfs
->writemax
;
2863 void nfs_set_error(struct nfs_context
*nfs
, char *error_string
, ...)
2868 if (nfs
->rpc
->error_string
!= NULL
) {
2869 free(nfs
->rpc
->error_string
);
2871 va_start(ap
, error_string
);
2872 vasprintf(&str
, error_string
, ap
);
2873 nfs
->rpc
->error_string
= str
;
2879 struct mount_cb_data
{
2885 static void free_mount_cb_data(struct mount_cb_data
*data
)
2887 if (data
->server
!= NULL
) {
2889 data
->server
= NULL
;
2895 static void mount_export_5_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2897 struct mount_cb_data
*data
= private_data
;
2899 if (status
== RPC_STATUS_ERROR
) {
2900 data
->cb(rpc
, -EFAULT
, command_data
, data
->private_data
);
2901 free_mount_cb_data(data
);
2904 if (status
== RPC_STATUS_CANCEL
) {
2905 data
->cb(rpc
, -EINTR
, "Command was cancelled", data
->private_data
);
2906 free_mount_cb_data(data
);
2910 data
->cb(rpc
, 0, command_data
, data
->private_data
);
2911 if (rpc_disconnect(rpc
, "normal disconnect") != 0) {
2912 rpc_set_error(rpc
, "Failed to disconnect\n");
2914 free_mount_cb_data(data
);
2917 static void mount_export_4_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2919 struct mount_cb_data
*data
= private_data
;
2921 if (status
== RPC_STATUS_ERROR
) {
2922 data
->cb(rpc
, -EFAULT
, command_data
, data
->private_data
);
2923 free_mount_cb_data(data
);
2926 if (status
== RPC_STATUS_CANCEL
) {
2927 data
->cb(rpc
, -EINTR
, "Command was cancelled", data
->private_data
);
2928 free_mount_cb_data(data
);
2932 if (rpc_mount_export_async(rpc
, mount_export_5_cb
, data
) != 0) {
2933 data
->cb(rpc
, -ENOMEM
, command_data
, data
->private_data
);
2934 free_mount_cb_data(data
);
2939 static void mount_export_3_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2941 struct mount_cb_data
*data
= private_data
;
2942 uint32_t mount_port
;
2944 if (status
== RPC_STATUS_ERROR
) {
2945 data
->cb(rpc
, -EFAULT
, command_data
, data
->private_data
);
2946 free_mount_cb_data(data
);
2949 if (status
== RPC_STATUS_CANCEL
) {
2950 data
->cb(rpc
, -EINTR
, "Command was cancelled", data
->private_data
);
2951 free_mount_cb_data(data
);
2955 mount_port
= *(uint32_t *)command_data
;
2956 if (mount_port
== 0) {
2957 rpc_set_error(rpc
, "RPC error. Mount program is not available");
2958 data
->cb(rpc
, -ENOENT
, command_data
, data
->private_data
);
2959 free_mount_cb_data(data
);
2963 rpc_disconnect(rpc
, "normal disconnect");
2964 if (rpc_connect_async(rpc
, data
->server
, mount_port
, mount_export_4_cb
, data
) != 0) {
2965 data
->cb(rpc
, -ENOMEM
, command_data
, data
->private_data
);
2966 free_mount_cb_data(data
);
2971 static void mount_export_2_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2973 struct mount_cb_data
*data
= private_data
;
2975 if (status
== RPC_STATUS_ERROR
) {
2976 data
->cb(rpc
, -EFAULT
, command_data
, data
->private_data
);
2977 free_mount_cb_data(data
);
2980 if (status
== RPC_STATUS_CANCEL
) {
2981 data
->cb(rpc
, -EINTR
, "Command was cancelled", data
->private_data
);
2982 free_mount_cb_data(data
);
2986 if (rpc_pmap_getport_async(rpc
, MOUNT_PROGRAM
, MOUNT_V3
, mount_export_3_cb
, private_data
) != 0) {
2987 data
->cb(rpc
, -ENOMEM
, command_data
, data
->private_data
);
2988 free_mount_cb_data(data
);
2993 static void mount_export_1_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2995 struct mount_cb_data
*data
= private_data
;
2997 if (status
== RPC_STATUS_ERROR
) {
2998 data
->cb(rpc
, -EFAULT
, command_data
, data
->private_data
);
2999 free_mount_cb_data(data
);
3002 if (status
== RPC_STATUS_CANCEL
) {
3003 data
->cb(rpc
, -EINTR
, "Command was cancelled", data
->private_data
);
3004 free_mount_cb_data(data
);
3008 if (rpc_pmap_null_async(rpc
, mount_export_2_cb
, data
) != 0) {
3009 data
->cb(rpc
, -ENOMEM
, command_data
, data
->private_data
);
3010 free_mount_cb_data(data
);
3015 int mount_getexports_async(struct rpc_context
*rpc
, const char *server
, rpc_cb cb
, void *private_data
)
3017 struct mount_cb_data
*data
;
3019 data
= malloc(sizeof(struct mount_cb_data
));
3023 bzero(data
, sizeof(struct mount_cb_data
));
3025 data
->private_data
= private_data
;
3026 data
->server
= strdup(server
);
3027 if (data
->server
== NULL
) {
3028 free_mount_cb_data(data
);
3031 if (rpc_connect_async(rpc
, data
->server
, 111, mount_export_1_cb
, data
) != 0) {
3032 free_mount_cb_data(data
);
3039 struct rpc_context
*nfs_get_rpc_context(struct nfs_context
*nfs
)