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 if (res
->READ3res_u
.resok
.count
> 0) {
864 memcpy(&data
->buffer
[mdata
->offset
- data
->start_offset
], res
->READ3res_u
.resok
.data
.data_val
, res
->READ3res_u
.resok
.count
);
865 if ((unsigned)data
->max_offset
< mdata
->offset
+ res
->READ3res_u
.resok
.count
) {
866 data
->max_offset
= mdata
->offset
+ res
->READ3res_u
.resok
.count
;
872 if (data
->num_calls
> 0) {
873 /* still waiting for more replies */
878 if (data
->error
!= 0) {
879 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
880 free_nfs_cb_data(data
);
884 if (data
->cancel
!= 0) {
885 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
886 free_nfs_cb_data(data
);
891 data
->nfsfh
->offset
= data
->max_offset
;
892 data
->cb(data
->max_offset
- data
->start_offset
, nfs
, data
->buffer
, data
->private_data
);
893 free_nfs_cb_data(data
);
897 int nfs_pread_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, off_t offset
, size_t count
, nfs_cb cb
, void *private_data
)
899 struct nfs_cb_data
*data
;
901 data
= malloc(sizeof(struct nfs_cb_data
));
903 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_cb_data structure");
906 bzero(data
, sizeof(struct nfs_cb_data
));
909 data
->private_data
= private_data
;
912 nfsfh
->offset
= offset
;
914 if (count
<= nfs_get_readmax(nfs
)) {
915 if (rpc_nfs_read_async(nfs
->rpc
, nfs_pread_cb
, &nfsfh
->fh
, offset
, count
, data
) != 0) {
916 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READ call for %s", data
->path
);
917 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
918 free_nfs_cb_data(data
);
924 /* trying to read more than maximum server read size, we has to chop it up into smaller
925 * reads and collect into a reassembly buffer.
926 * we send all reads in parallell so that performance is still good.
928 data
->start_offset
= offset
;
930 data
->buffer
= malloc(count
);
931 if (data
->buffer
== NULL
) {
932 rpc_set_error(nfs
->rpc
, "Out-Of-Memory: Failed to allocate reassembly buffer for %d bytes", (int)count
);
933 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
934 free_nfs_cb_data(data
);
939 size_t readcount
= count
;
940 struct nfs_mcb_data
*mdata
;
942 if (readcount
> nfs_get_readmax(nfs
)) {
943 readcount
= nfs_get_readmax(nfs
);
946 mdata
= malloc(sizeof(struct nfs_mcb_data
));
948 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_mcb_data structure");
951 bzero(mdata
, sizeof(struct nfs_mcb_data
));
953 mdata
->offset
= offset
;
954 mdata
->count
= readcount
;
955 if (rpc_nfs_read_async(nfs
->rpc
, nfs_pread_mcb
, &nfsfh
->fh
, offset
, readcount
, mdata
) != 0) {
956 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READ call for %s", data
->path
);
957 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
973 int nfs_read_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, size_t count
, nfs_cb cb
, void *private_data
)
975 return nfs_pread_async(nfs
, nfsfh
, nfsfh
->offset
, count
, cb
, private_data
);
983 static void nfs_pwrite_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
985 struct nfs_cb_data
*data
= private_data
;
986 struct nfs_context
*nfs
= data
->nfs
;
989 if (status
== RPC_STATUS_ERROR
) {
990 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
991 free_nfs_cb_data(data
);
994 if (status
== RPC_STATUS_CANCEL
) {
995 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
996 free_nfs_cb_data(data
);
1001 if (res
->status
!= NFS3_OK
) {
1002 rpc_set_error(nfs
->rpc
, "NFS: Write failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
1003 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1004 free_nfs_cb_data(data
);
1008 data
->nfsfh
->offset
+= res
->WRITE3res_u
.resok
.count
;
1009 data
->cb(res
->WRITE3res_u
.resok
.count
, nfs
, NULL
, data
->private_data
);
1010 free_nfs_cb_data(data
);
1013 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
)
1015 struct nfs_cb_data
*data
;
1017 data
= malloc(sizeof(struct nfs_cb_data
));
1019 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_cb_data structure");
1022 bzero(data
, sizeof(struct nfs_cb_data
));
1025 data
->private_data
= private_data
;
1026 data
->nfsfh
= nfsfh
;
1028 nfsfh
->offset
= offset
;
1029 if (rpc_nfs_write_async(nfs
->rpc
, nfs_pwrite_cb
, &nfsfh
->fh
, buf
, offset
, count
, nfsfh
->is_sync
?FILE_SYNC
:UNSTABLE
, data
) != 0) {
1030 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send WRITE call for %s", data
->path
);
1031 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1032 free_nfs_cb_data(data
);
1041 int nfs_write_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, size_t count
, char *buf
, nfs_cb cb
, void *private_data
)
1043 return nfs_pwrite_async(nfs
, nfsfh
, nfsfh
->offset
, count
, buf
, cb
, private_data
);
1053 int nfs_close_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, nfs_cb cb
, void *private_data
)
1055 if (nfsfh
->fh
.data
.data_val
!= NULL
){
1056 free(nfsfh
->fh
.data
.data_val
);
1057 nfsfh
->fh
.data
.data_val
= NULL
;
1061 cb(0, nfs
, NULL
, private_data
);
1072 int nfs_fstat_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, nfs_cb cb
, void *private_data
)
1074 struct nfs_cb_data
*data
;
1076 data
= malloc(sizeof(struct nfs_cb_data
));
1078 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_cb_data structure");
1081 bzero(data
, sizeof(struct nfs_cb_data
));
1084 data
->private_data
= private_data
;
1086 if (rpc_nfs_getattr_async(nfs
->rpc
, nfs_stat_1_cb
, &nfsfh
->fh
, data
) != 0) {
1087 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send STAT GETATTR call for %s", data
->path
);
1088 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1089 free_nfs_cb_data(data
);
1100 static void nfs_fsync_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
1102 struct nfs_cb_data
*data
= private_data
;
1103 struct nfs_context
*nfs
= data
->nfs
;
1106 if (status
== RPC_STATUS_ERROR
) {
1107 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1108 free_nfs_cb_data(data
);
1111 if (status
== RPC_STATUS_CANCEL
) {
1112 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1113 free_nfs_cb_data(data
);
1118 if (res
->status
!= NFS3_OK
) {
1119 rpc_set_error(nfs
->rpc
, "NFS: Commit failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
1120 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1121 free_nfs_cb_data(data
);
1125 data
->cb(0, nfs
, NULL
, data
->private_data
);
1126 free_nfs_cb_data(data
);
1129 int nfs_fsync_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, nfs_cb cb
, void *private_data
)
1131 struct nfs_cb_data
*data
;
1133 data
= malloc(sizeof(struct nfs_cb_data
));
1135 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_cb_data structure");
1138 bzero(data
, sizeof(struct nfs_cb_data
));
1141 data
->private_data
= private_data
;
1143 if (rpc_nfs_commit_async(nfs
->rpc
, nfs_fsync_cb
, &nfsfh
->fh
, data
) != 0) {
1144 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send COMMIT call for %s", data
->path
);
1145 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1146 free_nfs_cb_data(data
);
1158 static void nfs_ftruncate_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
1160 struct nfs_cb_data
*data
= private_data
;
1161 struct nfs_context
*nfs
= data
->nfs
;
1164 if (status
== RPC_STATUS_ERROR
) {
1165 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1166 free_nfs_cb_data(data
);
1169 if (status
== RPC_STATUS_CANCEL
) {
1170 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1171 free_nfs_cb_data(data
);
1176 if (res
->status
!= NFS3_OK
) {
1177 rpc_set_error(nfs
->rpc
, "NFS: Setattr failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
1178 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1179 free_nfs_cb_data(data
);
1183 data
->cb(0, nfs
, NULL
, data
->private_data
);
1184 free_nfs_cb_data(data
);
1187 int nfs_ftruncate_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, off_t length
, nfs_cb cb
, void *private_data
)
1189 struct nfs_cb_data
*data
;
1192 data
= malloc(sizeof(struct nfs_cb_data
));
1194 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_cb_data structure");
1197 bzero(data
, sizeof(struct nfs_cb_data
));
1200 data
->private_data
= private_data
;
1202 bzero(&args
, sizeof(SETATTR3args
));
1203 args
.object
.data
.data_len
= nfsfh
->fh
.data
.data_len
;
1204 args
.object
.data
.data_val
= nfsfh
->fh
.data
.data_val
;
1205 args
.new_attributes
.size
.set_it
= 1;
1206 args
.new_attributes
.size
.set_size3_u
.size
= length
;
1208 if (rpc_nfs_setattr_async(nfs
->rpc
, nfs_ftruncate_cb
, &args
, data
) != 0) {
1209 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SETATTR call for %s", data
->path
);
1210 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1211 free_nfs_cb_data(data
);
1221 static int nfs_truncate_continue_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
1223 off_t offset
= data
->continue_int
;
1226 nfsfh
.fh
.data
.data_val
= data
->fh
.data
.data_val
;
1227 nfsfh
.fh
.data
.data_len
= data
->fh
.data
.data_len
;
1229 if (nfs_ftruncate_async(nfs
, &nfsfh
, offset
, data
->cb
, data
->private_data
) != 0) {
1230 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SETATTR call for %s", data
->path
);
1231 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1232 free_nfs_cb_data(data
);
1235 free_nfs_cb_data(data
);
1239 int nfs_truncate_async(struct nfs_context
*nfs
, const char *path
, off_t length
, nfs_cb cb
, void *private_data
)
1245 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_truncate_continue_internal
, NULL
, NULL
, offset
) != 0) {
1246 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
1259 static void nfs_mkdir_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
1262 struct nfs_cb_data
*data
= private_data
;
1263 struct nfs_context
*nfs
= data
->nfs
;
1264 char *str
= data
->continue_data
;
1266 str
= &str
[strlen(str
) + 1];
1268 if (status
== RPC_STATUS_ERROR
) {
1269 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1270 free_nfs_cb_data(data
);
1273 if (status
== RPC_STATUS_CANCEL
) {
1274 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1275 free_nfs_cb_data(data
);
1280 if (res
->status
!= NFS3_OK
) {
1281 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
));
1282 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1283 free_nfs_cb_data(data
);
1287 data
->cb(0, nfs
, NULL
, data
->private_data
);
1288 free_nfs_cb_data(data
);
1291 static int nfs_mkdir_continue_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
1293 char *str
= data
->continue_data
;
1295 str
= &str
[strlen(str
) + 1];
1297 if (rpc_nfs_mkdir_async(nfs
->rpc
, nfs_mkdir_cb
, &data
->fh
, str
, data
) != 0) {
1298 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send MKDIR call for %s", data
->path
);
1299 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1300 free_nfs_cb_data(data
);
1306 int nfs_mkdir_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
1311 new_path
= strdup(path
);
1312 if (new_path
== NULL
) {
1313 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for path");
1317 ptr
= rindex(new_path
, '/');
1319 rpc_set_error(nfs
->rpc
, "Invalid path %s", path
);
1324 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
1325 if (nfs_lookuppath_async(nfs
, new_path
, cb
, private_data
, nfs_mkdir_continue_internal
, new_path
, free
, 0) != 0) {
1326 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path component");
1340 static void nfs_rmdir_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
1343 struct nfs_cb_data
*data
= private_data
;
1344 struct nfs_context
*nfs
= data
->nfs
;
1345 char *str
= data
->continue_data
;
1347 str
= &str
[strlen(str
) + 1];
1349 if (status
== RPC_STATUS_ERROR
) {
1350 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1351 free_nfs_cb_data(data
);
1354 if (status
== RPC_STATUS_CANCEL
) {
1355 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1356 free_nfs_cb_data(data
);
1361 if (res
->status
!= NFS3_OK
) {
1362 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
));
1363 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1364 free_nfs_cb_data(data
);
1368 data
->cb(0, nfs
, NULL
, data
->private_data
);
1369 free_nfs_cb_data(data
);
1372 static int nfs_rmdir_continue_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
1374 char *str
= data
->continue_data
;
1376 str
= &str
[strlen(str
) + 1];
1378 if (rpc_nfs_rmdir_async(nfs
->rpc
, nfs_rmdir_cb
, &data
->fh
, str
, data
) != 0) {
1379 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send RMDIR call for %s", data
->path
);
1380 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1381 free_nfs_cb_data(data
);
1387 int nfs_rmdir_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
1392 new_path
= strdup(path
);
1393 if (new_path
== NULL
) {
1394 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for path");
1398 ptr
= rindex(new_path
, '/');
1400 rpc_set_error(nfs
->rpc
, "Invalid path %s", path
);
1405 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
1406 if (nfs_lookuppath_async(nfs
, new_path
, cb
, private_data
, nfs_rmdir_continue_internal
, new_path
, free
, 0) != 0) {
1407 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
1420 static void nfs_create_2_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
1423 struct nfs_cb_data
*data
= private_data
;
1424 struct nfs_context
*nfs
= data
->nfs
;
1425 struct nfsfh
*nfsfh
;
1426 char *str
= data
->continue_data
;
1428 if (status
== RPC_STATUS_ERROR
) {
1429 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1430 free_nfs_cb_data(data
);
1433 if (status
== RPC_STATUS_CANCEL
) {
1434 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1435 free_nfs_cb_data(data
);
1439 str
= &str
[strlen(str
) + 1];
1441 if (res
->status
!= NFS3_OK
) {
1442 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
));
1443 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1448 nfsfh
= malloc(sizeof(struct nfsfh
));
1449 if (nfsfh
== NULL
) {
1450 rpc_set_error(nfs
->rpc
, "NFS: Failed to allocate nfsfh structure");
1451 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1452 free_nfs_cb_data(data
);
1455 bzero(nfsfh
, sizeof(struct nfsfh
));
1457 /* steal the filehandle */
1458 nfsfh
->fh
.data
.data_len
= data
->fh
.data
.data_len
;
1459 nfsfh
->fh
.data
.data_val
= data
->fh
.data
.data_val
;
1460 data
->fh
.data
.data_val
= NULL
;
1462 data
->cb(0, nfs
, nfsfh
, data
->private_data
);
1463 free_nfs_cb_data(data
);
1468 static void nfs_creat_1_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
1471 struct nfs_cb_data
*data
= private_data
;
1472 struct nfs_context
*nfs
= data
->nfs
;
1473 char *str
= data
->continue_data
;
1475 if (status
== RPC_STATUS_ERROR
) {
1476 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1477 free_nfs_cb_data(data
);
1480 if (status
== RPC_STATUS_CANCEL
) {
1481 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1482 free_nfs_cb_data(data
);
1486 str
= &str
[strlen(str
) + 1];
1488 if (res
->status
!= NFS3_OK
) {
1489 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
));
1490 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1495 if (rpc_nfs_lookup_async(nfs
->rpc
, nfs_create_2_cb
, &data
->fh
, str
, data
) != 0) {
1496 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send lookup call for %s/%s", data
->saved_path
, str
);
1497 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1498 free_nfs_cb_data(data
);
1504 static int nfs_creat_continue_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
1506 char *str
= data
->continue_data
;
1508 str
= &str
[strlen(str
) + 1];
1510 if (rpc_nfs_create_async(nfs
->rpc
, nfs_creat_1_cb
, &data
->fh
, str
, data
->continue_int
, data
) != 0) {
1511 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send CREATE call for %s/%s", data
->path
, str
);
1512 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1513 free_nfs_cb_data(data
);
1519 int nfs_creat_async(struct nfs_context
*nfs
, const char *path
, int mode
, nfs_cb cb
, void *private_data
)
1524 new_path
= strdup(path
);
1525 if (new_path
== NULL
) {
1526 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for path");
1530 ptr
= rindex(new_path
, '/');
1532 rpc_set_error(nfs
->rpc
, "Invalid path %s", path
);
1537 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
1538 if (nfs_lookuppath_async(nfs
, new_path
, cb
, private_data
, nfs_creat_continue_internal
, new_path
, free
, mode
) != 0) {
1539 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
1552 static void nfs_unlink_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
1555 struct nfs_cb_data
*data
= private_data
;
1556 struct nfs_context
*nfs
= data
->nfs
;
1557 char *str
= data
->continue_data
;
1559 str
= &str
[strlen(str
) + 1];
1561 if (status
== RPC_STATUS_ERROR
) {
1562 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1563 free_nfs_cb_data(data
);
1566 if (status
== RPC_STATUS_CANCEL
) {
1567 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1568 free_nfs_cb_data(data
);
1573 if (res
->status
!= NFS3_OK
) {
1574 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
));
1575 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1576 free_nfs_cb_data(data
);
1580 data
->cb(0, nfs
, NULL
, data
->private_data
);
1581 free_nfs_cb_data(data
);
1584 static int nfs_unlink_continue_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
1586 char *str
= data
->continue_data
;
1588 str
= &str
[strlen(str
) + 1];
1590 if (rpc_nfs_remove_async(nfs
->rpc
, nfs_unlink_cb
, &data
->fh
, str
, data
) != 0) {
1591 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send REMOVE call for %s", data
->path
);
1592 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1593 free_nfs_cb_data(data
);
1599 int nfs_unlink_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
1604 new_path
= strdup(path
);
1605 if (new_path
== NULL
) {
1606 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for path");
1610 ptr
= rindex(new_path
, '/');
1612 rpc_set_error(nfs
->rpc
, "Invalid path %s", path
);
1617 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
1618 if (nfs_lookuppath_async(nfs
, new_path
, cb
, private_data
, nfs_unlink_continue_internal
, new_path
, free
, 0) != 0) {
1619 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
1633 static void nfs_opendir_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
1636 struct nfs_cb_data
*data
= private_data
;
1637 struct nfs_context
*nfs
= data
->nfs
;
1638 struct nfsdir
*nfsdir
= data
->continue_data
;;
1639 struct entry3
*entry
;
1642 if (status
== RPC_STATUS_ERROR
) {
1643 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1644 nfs_free_nfsdir(nfsdir
);
1645 data
->continue_data
= NULL
;
1646 free_nfs_cb_data(data
);
1649 if (status
== RPC_STATUS_CANCEL
) {
1650 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1651 nfs_free_nfsdir(nfsdir
);
1652 data
->continue_data
= NULL
;
1653 free_nfs_cb_data(data
);
1658 if (res
->status
!= NFS3_OK
) {
1659 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
));
1660 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1661 nfs_free_nfsdir(nfsdir
);
1662 data
->continue_data
= NULL
;
1663 free_nfs_cb_data(data
);
1667 entry
=res
->READDIR3res_u
.resok
.reply
.entries
;
1668 while (entry
!= NULL
) {
1669 struct nfsdirent
*nfsdirent
;
1671 nfsdirent
= malloc(sizeof(struct nfsdirent
));
1672 if (nfsdirent
== NULL
) {
1673 data
->cb(-ENOMEM
, nfs
, "Failed to allocate dirent", data
->private_data
);
1674 nfs_free_nfsdir(nfsdir
);
1675 data
->continue_data
= NULL
;
1676 free_nfs_cb_data(data
);
1679 bzero(nfsdirent
, sizeof(struct nfsdirent
));
1680 nfsdirent
->name
= strdup(entry
->name
);
1681 if (nfsdirent
->name
== NULL
) {
1682 data
->cb(-ENOMEM
, nfs
, "Failed to allocate dirent->name", data
->private_data
);
1683 nfs_free_nfsdir(nfsdir
);
1684 data
->continue_data
= NULL
;
1685 free_nfs_cb_data(data
);
1688 nfsdirent
->inode
= entry
->fileid
;
1689 nfsdirent
->next
= nfsdir
->entries
;
1690 nfsdir
->entries
= nfsdirent
;
1692 cookie
= entry
->cookie
;
1693 entry
= entry
->nextentry
;
1696 if (res
->READDIR3res_u
.resok
.reply
.eof
== 0) {
1697 if (rpc_nfs_readdir_async(nfs
->rpc
, nfs_opendir_cb
, &data
->fh
, cookie
, res
->READDIR3res_u
.resok
.cookieverf
, 20000, data
) != 0) {
1698 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READDIR call for %s", data
->path
);
1699 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1700 nfs_free_nfsdir(nfsdir
);
1701 data
->continue_data
= NULL
;
1702 free_nfs_cb_data(data
);
1708 /* steal the dirhandle */
1709 data
->continue_data
= NULL
;
1710 nfsdir
->current
= nfsdir
->entries
;
1712 data
->cb(0, nfs
, nfsdir
, data
->private_data
);
1713 free_nfs_cb_data(data
);
1716 static int nfs_opendir_continue_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
1720 bzero(cv
, sizeof(cookieverf3
));
1721 if (rpc_nfs_readdir_async(nfs
->rpc
, nfs_opendir_cb
, &data
->fh
, 0, (char *)&cv
, 20000, data
) != 0) {
1722 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READDIR call for %s", data
->path
);
1723 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1724 free_nfs_cb_data(data
);
1730 int nfs_opendir_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
1732 struct nfsdir
*nfsdir
;
1734 nfsdir
= malloc(sizeof(struct nfsdir
));
1735 if (nfsdir
== NULL
) {
1736 rpc_set_error(nfs
->rpc
, "failed to allocate buffer for nfsdir");
1739 bzero(nfsdir
, sizeof(struct nfsdir
));
1741 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_opendir_continue_internal
, nfsdir
, free
, 0) != 0) {
1742 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
1750 struct nfsdirent
*nfs_readdir(struct nfs_context
*nfs _U_
, struct nfsdir
*nfsdir
)
1752 struct nfsdirent
*nfsdirent
= nfsdir
->current
;
1754 if (nfsdir
->current
!= NULL
) {
1755 nfsdir
->current
= nfsdir
->current
->next
;
1761 void nfs_closedir(struct nfs_context
*nfs _U_
, struct nfsdir
*nfsdir
)
1763 nfs_free_nfsdir(nfsdir
);
1775 struct lseek_cb_data
{
1776 struct nfs_context
*nfs
;
1777 struct nfsfh
*nfsfh
;
1783 static void nfs_lseek_1_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
1786 struct lseek_cb_data
*data
= private_data
;
1787 struct nfs_context
*nfs
= data
->nfs
;
1789 if (status
== RPC_STATUS_ERROR
) {
1790 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1794 if (status
== RPC_STATUS_CANCEL
) {
1795 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1801 if (res
->status
!= NFS3_OK
) {
1802 rpc_set_error(nfs
->rpc
, "NFS: GETATTR failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
1803 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1808 data
->nfsfh
->offset
= data
->offset
+ res
->GETATTR3res_u
.resok
.obj_attributes
.size
;
1809 data
->cb(0, nfs
, &data
->nfsfh
->offset
, data
->private_data
);
1813 int nfs_lseek_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, off_t offset
, int whence
, nfs_cb cb
, void *private_data
)
1815 struct lseek_cb_data
*data
;
1817 if (whence
== SEEK_SET
) {
1818 nfsfh
->offset
= offset
;
1819 cb(0, nfs
, &nfsfh
->offset
, private_data
);
1822 if (whence
== SEEK_CUR
) {
1823 nfsfh
->offset
+= offset
;
1824 cb(0, nfs
, &nfsfh
->offset
, private_data
);
1828 data
= malloc(sizeof(struct lseek_cb_data
));
1830 rpc_set_error(nfs
->rpc
, "Out Of Memory: Failed to malloc lseek cb data");
1835 data
->nfsfh
= nfsfh
;
1836 data
->offset
= offset
;
1838 data
->private_data
= private_data
;
1840 if (rpc_nfs_getattr_async(nfs
->rpc
, nfs_lseek_1_cb
, &nfsfh
->fh
, data
) != 0) {
1841 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send LSEEK GETATTR call");
1854 static void nfs_statvfs_1_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
1857 struct nfs_cb_data
*data
= private_data
;
1858 struct nfs_context
*nfs
= data
->nfs
;
1859 struct statvfs svfs
;
1861 if (status
== RPC_STATUS_ERROR
) {
1862 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1863 free_nfs_cb_data(data
);
1866 if (status
== RPC_STATUS_CANCEL
) {
1867 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1868 free_nfs_cb_data(data
);
1873 if (res
->status
!= NFS3_OK
) {
1874 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
));
1875 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1876 free_nfs_cb_data(data
);
1880 svfs
.f_bsize
= 4096;
1881 svfs
.f_frsize
= 4096;
1882 svfs
.f_blocks
= res
->FSSTAT3res_u
.resok
.tbytes
/4096;
1883 svfs
.f_bfree
= res
->FSSTAT3res_u
.resok
.fbytes
/4096;
1884 svfs
.f_bavail
= res
->FSSTAT3res_u
.resok
.abytes
/4096;
1885 svfs
.f_files
= res
->FSSTAT3res_u
.resok
.tfiles
;
1886 svfs
.f_ffree
= res
->FSSTAT3res_u
.resok
.ffiles
;
1887 svfs
.f_favail
= res
->FSSTAT3res_u
.resok
.afiles
;
1890 svfs
.f_namemax
= 256;
1892 data
->cb(0, nfs
, &svfs
, data
->private_data
);
1893 free_nfs_cb_data(data
);
1896 static int nfs_statvfs_continue_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
1898 if (rpc_nfs_fsstat_async(nfs
->rpc
, nfs_statvfs_1_cb
, &data
->fh
, data
) != 0) {
1899 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send FSSTAT call for %s", data
->path
);
1900 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1901 free_nfs_cb_data(data
);
1907 int nfs_statvfs_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
1909 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_statvfs_continue_internal
, NULL
, NULL
, 0) != 0) {
1910 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
1923 static void nfs_readlink_1_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
1926 struct nfs_cb_data
*data
= private_data
;
1927 struct nfs_context
*nfs
= data
->nfs
;
1929 if (status
== RPC_STATUS_ERROR
) {
1930 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1931 free_nfs_cb_data(data
);
1934 if (status
== RPC_STATUS_CANCEL
) {
1935 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1936 free_nfs_cb_data(data
);
1941 if (res
->status
!= NFS3_OK
) {
1942 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
));
1943 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1944 free_nfs_cb_data(data
);
1949 data
->cb(0, nfs
, res
->READLINK3res_u
.resok
.data
, data
->private_data
);
1950 free_nfs_cb_data(data
);
1953 static int nfs_readlink_continue_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
1955 if (rpc_nfs_readlink_async(nfs
->rpc
, nfs_readlink_1_cb
, &data
->fh
, data
) != 0) {
1956 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READLINK call for %s", data
->path
);
1957 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1958 free_nfs_cb_data(data
);
1964 int nfs_readlink_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
1966 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_readlink_continue_internal
, NULL
, NULL
, 0) != 0) {
1967 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
1980 static void nfs_chmod_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
1982 struct nfs_cb_data
*data
= private_data
;
1983 struct nfs_context
*nfs
= data
->nfs
;
1986 if (status
== RPC_STATUS_ERROR
) {
1987 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1988 free_nfs_cb_data(data
);
1991 if (status
== RPC_STATUS_CANCEL
) {
1992 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1993 free_nfs_cb_data(data
);
1998 if (res
->status
!= NFS3_OK
) {
1999 rpc_set_error(nfs
->rpc
, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
2000 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2001 free_nfs_cb_data(data
);
2005 data
->cb(0, nfs
, NULL
, data
->private_data
);
2006 free_nfs_cb_data(data
);
2009 static int nfs_chmod_continue_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
2013 bzero(&args
, sizeof(SETATTR3args
));
2014 args
.object
.data
.data_len
= data
->fh
.data
.data_len
;
2015 args
.object
.data
.data_val
= data
->fh
.data
.data_val
;
2016 args
.new_attributes
.mode
.set_it
= 1;
2017 args
.new_attributes
.mode
.set_mode3_u
.mode
= data
->continue_int
;
2019 if (rpc_nfs_setattr_async(nfs
->rpc
, nfs_chmod_cb
, &args
, data
) != 0) {
2020 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SETATTR call for %s", data
->path
);
2021 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2022 free_nfs_cb_data(data
);
2029 int nfs_chmod_async(struct nfs_context
*nfs
, const char *path
, int mode
, nfs_cb cb
, void *private_data
)
2031 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_chmod_continue_internal
, NULL
, NULL
, mode
) != 0) {
2032 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
2042 int nfs_fchmod_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, int mode
, nfs_cb cb
, void *private_data
)
2044 struct nfs_cb_data
*data
;
2046 data
= malloc(sizeof(struct nfs_cb_data
));
2048 rpc_set_error(nfs
->rpc
, "out of memory. failed to allocate memory for nfs mount data");
2051 bzero(data
, sizeof(struct nfs_cb_data
));
2054 data
->private_data
= private_data
;
2055 data
->continue_int
= mode
;
2056 data
->fh
.data
.data_len
= nfsfh
->fh
.data
.data_len
;
2057 data
->fh
.data
.data_val
= malloc(data
->fh
.data
.data_len
);
2058 if (data
->fh
.data
.data_val
== NULL
) {
2059 rpc_set_error(nfs
->rpc
, "Out of memory: Failed to allocate fh");
2060 free_nfs_cb_data(data
);
2063 memcpy(data
->fh
.data
.data_val
, nfsfh
->fh
.data
.data_val
, data
->fh
.data
.data_len
);
2065 if (nfs_chmod_continue_internal(nfs
, data
) != 0) {
2066 free_nfs_cb_data(data
);
2078 static void nfs_chown_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
2080 struct nfs_cb_data
*data
= private_data
;
2081 struct nfs_context
*nfs
= data
->nfs
;
2084 if (status
== RPC_STATUS_ERROR
) {
2085 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2086 free_nfs_cb_data(data
);
2089 if (status
== RPC_STATUS_CANCEL
) {
2090 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2091 free_nfs_cb_data(data
);
2096 if (res
->status
!= NFS3_OK
) {
2097 rpc_set_error(nfs
->rpc
, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
2098 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2099 free_nfs_cb_data(data
);
2103 data
->cb(0, nfs
, NULL
, data
->private_data
);
2104 free_nfs_cb_data(data
);
2107 struct nfs_chown_data
{
2112 static int nfs_chown_continue_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
2115 struct nfs_chown_data
*chown_data
= data
->continue_data
;
2117 bzero(&args
, sizeof(SETATTR3args
));
2118 args
.object
.data
.data_len
= data
->fh
.data
.data_len
;
2119 args
.object
.data
.data_val
= data
->fh
.data
.data_val
;
2120 if (chown_data
->uid
!= (uid_t
)-1) {
2121 args
.new_attributes
.uid
.set_it
= 1;
2122 args
.new_attributes
.uid
.set_uid3_u
.uid
= chown_data
->uid
;
2124 if (chown_data
->gid
!= (gid_t
)-1) {
2125 args
.new_attributes
.gid
.set_it
= 1;
2126 args
.new_attributes
.gid
.set_gid3_u
.gid
= chown_data
->gid
;
2129 if (rpc_nfs_setattr_async(nfs
->rpc
, nfs_chown_cb
, &args
, data
) != 0) {
2130 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SETATTR call for %s", data
->path
);
2131 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2132 free_nfs_cb_data(data
);
2139 int nfs_chown_async(struct nfs_context
*nfs
, const char *path
, int uid
, int gid
, nfs_cb cb
, void *private_data
)
2141 struct nfs_chown_data
*chown_data
;
2143 chown_data
= malloc(sizeof(struct nfs_chown_data
));
2144 if (chown_data
== NULL
) {
2145 rpc_set_error(nfs
->rpc
, "Failed to allocate memory for chown data structure");
2149 chown_data
->uid
= uid
;
2150 chown_data
->gid
= gid
;
2152 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_chown_continue_internal
, chown_data
, free
, 0) != 0) {
2153 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
2164 int nfs_fchown_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, int uid
, int gid
, nfs_cb cb
, void *private_data
)
2166 struct nfs_cb_data
*data
;
2167 struct nfs_chown_data
*chown_data
;
2169 chown_data
= malloc(sizeof(struct nfs_chown_data
));
2170 if (chown_data
== NULL
) {
2171 rpc_set_error(nfs
->rpc
, "Failed to allocate memory for chown data structure");
2175 chown_data
->uid
= uid
;
2176 chown_data
->gid
= gid
;
2179 data
= malloc(sizeof(struct nfs_cb_data
));
2181 rpc_set_error(nfs
->rpc
, "out of memory. failed to allocate memory for fchown data");
2184 bzero(data
, sizeof(struct nfs_cb_data
));
2187 data
->private_data
= private_data
;
2188 data
->continue_data
= chown_data
;
2189 data
->fh
.data
.data_len
= nfsfh
->fh
.data
.data_len
;
2190 data
->fh
.data
.data_val
= malloc(data
->fh
.data
.data_len
);
2191 if (data
->fh
.data
.data_val
== NULL
) {
2192 rpc_set_error(nfs
->rpc
, "Out of memory: Failed to allocate fh");
2193 free_nfs_cb_data(data
);
2196 memcpy(data
->fh
.data
.data_val
, nfsfh
->fh
.data
.data_val
, data
->fh
.data
.data_len
);
2199 if (nfs_chown_continue_internal(nfs
, data
) != 0) {
2200 free_nfs_cb_data(data
);
2214 static void nfs_utimes_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
2216 struct nfs_cb_data
*data
= private_data
;
2217 struct nfs_context
*nfs
= data
->nfs
;
2220 if (status
== RPC_STATUS_ERROR
) {
2221 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2222 free_nfs_cb_data(data
);
2225 if (status
== RPC_STATUS_CANCEL
) {
2226 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2227 free_nfs_cb_data(data
);
2232 if (res
->status
!= NFS3_OK
) {
2233 rpc_set_error(nfs
->rpc
, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
2234 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2235 free_nfs_cb_data(data
);
2239 data
->cb(0, nfs
, NULL
, data
->private_data
);
2240 free_nfs_cb_data(data
);
2243 static int nfs_utimes_continue_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
2246 struct timeval
*utimes_data
= data
->continue_data
;
2248 bzero(&args
, sizeof(SETATTR3args
));
2249 args
.object
.data
.data_len
= data
->fh
.data
.data_len
;
2250 args
.object
.data
.data_val
= data
->fh
.data
.data_val
;
2251 if (utimes_data
!= NULL
) {
2252 args
.new_attributes
.atime
.set_it
= SET_TO_CLIENT_TIME
;
2253 args
.new_attributes
.atime
.set_atime_u
.atime
.seconds
= utimes_data
[0].tv_sec
;
2254 args
.new_attributes
.atime
.set_atime_u
.atime
.nseconds
= utimes_data
[0].tv_usec
* 1000;
2255 args
.new_attributes
.mtime
.set_it
= SET_TO_CLIENT_TIME
;
2256 args
.new_attributes
.mtime
.set_mtime_u
.mtime
.seconds
= utimes_data
[1].tv_sec
;
2257 args
.new_attributes
.mtime
.set_mtime_u
.mtime
.nseconds
= utimes_data
[1].tv_usec
* 1000;
2259 args
.new_attributes
.atime
.set_it
= SET_TO_SERVER_TIME
;
2260 args
.new_attributes
.mtime
.set_it
= SET_TO_SERVER_TIME
;
2263 if (rpc_nfs_setattr_async(nfs
->rpc
, nfs_utimes_cb
, &args
, data
) != 0) {
2264 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SETATTR call for %s", data
->path
);
2265 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2266 free_nfs_cb_data(data
);
2273 int nfs_utimes_async(struct nfs_context
*nfs
, const char *path
, struct timeval
*times
, nfs_cb cb
, void *private_data
)
2275 struct timeval
*new_times
= NULL
;
2277 if (times
!= NULL
) {
2278 new_times
= malloc(sizeof(struct timeval
)*2);
2279 if (new_times
== NULL
) {
2280 rpc_set_error(nfs
->rpc
, "Failed to allocate memory for timeval structure");
2284 memcpy(new_times
, times
, sizeof(struct timeval
)*2);
2287 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_utimes_continue_internal
, new_times
, free
, 0) != 0) {
2288 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
2298 int nfs_utime_async(struct nfs_context
*nfs
, const char *path
, struct utimbuf
*times
, nfs_cb cb
, void *private_data
)
2300 struct timeval
*new_times
= NULL
;
2302 if (times
!= NULL
) {
2303 new_times
= malloc(sizeof(struct timeval
)*2);
2304 if (new_times
== NULL
) {
2305 rpc_set_error(nfs
->rpc
, "Failed to allocate memory for timeval structure");
2309 new_times
[0].tv_sec
= times
->actime
;
2310 new_times
[0].tv_usec
= 0;
2311 new_times
[1].tv_sec
= times
->modtime
;
2312 new_times
[1].tv_usec
= 0;
2315 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_utimes_continue_internal
, new_times
, free
, 0) != 0) {
2316 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
2330 static void nfs_access_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
2333 struct nfs_cb_data
*data
= private_data
;
2334 struct nfs_context
*nfs
= data
->nfs
;
2335 unsigned int nfsmode
= 0;
2337 if (status
== RPC_STATUS_ERROR
) {
2338 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2339 free_nfs_cb_data(data
);
2342 if (status
== RPC_STATUS_CANCEL
) {
2343 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2344 free_nfs_cb_data(data
);
2349 if (res
->status
!= NFS3_OK
) {
2350 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
));
2351 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2352 free_nfs_cb_data(data
);
2356 if (data
->continue_int
& R_OK
) {
2357 nfsmode
|= ACCESS3_READ
;
2359 if (data
->continue_int
& W_OK
) {
2360 nfsmode
|= ACCESS3_MODIFY
;
2362 if (data
->continue_int
& X_OK
) {
2363 nfsmode
|= ACCESS3_EXECUTE
;
2366 if (res
->ACCESS3res_u
.resok
.access
!= nfsmode
) {
2367 rpc_set_error(nfs
->rpc
, "NFS: ACCESS denied. Required access %c%c%c. Allowed access %c%c%c",
2368 nfsmode
&ACCESS3_READ
?'r':'-',
2369 nfsmode
&ACCESS3_MODIFY
?'w':'-',
2370 nfsmode
&ACCESS3_EXECUTE
?'x':'-',
2371 res
->ACCESS3res_u
.resok
.access
&ACCESS3_READ
?'r':'-',
2372 res
->ACCESS3res_u
.resok
.access
&ACCESS3_MODIFY
?'w':'-',
2373 res
->ACCESS3res_u
.resok
.access
&ACCESS3_EXECUTE
?'x':'-');
2374 data
->cb(-EACCES
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2375 free_nfs_cb_data(data
);
2379 data
->cb(0, nfs
, NULL
, data
->private_data
);
2380 free_nfs_cb_data(data
);
2383 static int nfs_access_continue_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
2387 if (data
->continue_int
& R_OK
) {
2388 nfsmode
|= ACCESS3_READ
;
2390 if (data
->continue_int
& W_OK
) {
2391 nfsmode
|= ACCESS3_MODIFY
;
2393 if (data
->continue_int
& X_OK
) {
2394 nfsmode
|= ACCESS3_EXECUTE
;
2397 if (rpc_nfs_access_async(nfs
->rpc
, nfs_access_cb
, &data
->fh
, nfsmode
, data
) != 0) {
2398 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send OPEN ACCESS call for %s", data
->path
);
2399 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2400 free_nfs_cb_data(data
);
2406 int nfs_access_async(struct nfs_context
*nfs
, const char *path
, int mode
, nfs_cb cb
, void *private_data
)
2408 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_access_continue_internal
, NULL
, NULL
, mode
) != 0) {
2409 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
2421 struct nfs_symlink_data
{
2423 char *newpathparent
;
2424 char *newpathobject
;
2427 static void free_nfs_symlink_data(void *mem
)
2429 struct nfs_symlink_data
*data
= mem
;
2431 if (data
->oldpath
!= NULL
) {
2432 free(data
->oldpath
);
2434 if (data
->newpathparent
!= NULL
) {
2435 free(data
->newpathparent
);
2437 if (data
->newpathobject
!= NULL
) {
2438 free(data
->newpathobject
);
2443 static void nfs_symlink_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
2446 struct nfs_cb_data
*data
= private_data
;
2447 struct nfs_context
*nfs
= data
->nfs
;
2448 struct nfs_symlink_data
*symlink_data
= data
->continue_data
;
2450 if (status
== RPC_STATUS_ERROR
) {
2451 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2452 free_nfs_cb_data(data
);
2455 if (status
== RPC_STATUS_CANCEL
) {
2456 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2457 free_nfs_cb_data(data
);
2462 if (res
->status
!= NFS3_OK
) {
2463 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
));
2464 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2465 free_nfs_cb_data(data
);
2469 data
->cb(0, nfs
, NULL
, data
->private_data
);
2470 free_nfs_cb_data(data
);
2473 static int nfs_symlink_continue_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
2475 struct nfs_symlink_data
*symlink_data
= data
->continue_data
;
2477 if (rpc_nfs_symlink_async(nfs
->rpc
, nfs_symlink_cb
, &data
->fh
, symlink_data
->newpathobject
, symlink_data
->oldpath
, data
) != 0) {
2478 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SYMLINK call for %s", data
->path
);
2479 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2480 free_nfs_cb_data(data
);
2486 int nfs_symlink_async(struct nfs_context
*nfs
, const char *oldpath
, const char *newpath
, nfs_cb cb
, void *private_data
)
2489 struct nfs_symlink_data
*symlink_data
;
2491 symlink_data
= malloc(sizeof(struct nfs_symlink_data
));
2492 if (symlink_data
== NULL
) {
2493 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for symlink data");
2496 bzero(symlink_data
, sizeof(struct nfs_symlink_data
));
2498 symlink_data
->oldpath
= strdup(oldpath
);
2499 if (symlink_data
->oldpath
== NULL
) {
2500 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for oldpath");
2501 free_nfs_symlink_data(symlink_data
);
2505 symlink_data
->newpathparent
= strdup(newpath
);
2506 if (symlink_data
->newpathparent
== NULL
) {
2507 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for new path");
2508 free_nfs_symlink_data(symlink_data
);
2512 ptr
= rindex(symlink_data
->newpathparent
, '/');
2514 rpc_set_error(nfs
->rpc
, "Invalid path %s", oldpath
);
2515 free_nfs_symlink_data(symlink_data
);
2521 symlink_data
->newpathobject
= strdup(ptr
);
2522 if (symlink_data
->newpathobject
== NULL
) {
2523 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for new path");
2524 free_nfs_symlink_data(symlink_data
);
2528 if (nfs_lookuppath_async(nfs
, symlink_data
->newpathparent
, cb
, private_data
, nfs_symlink_continue_internal
, symlink_data
, free_nfs_symlink_data
, 0) != 0) {
2529 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
2541 struct nfs_rename_data
{
2544 struct nfs_fh3 olddir
;
2547 struct nfs_fh3 newdir
;
2550 static void free_nfs_rename_data(void *mem
)
2552 struct nfs_rename_data
*data
= mem
;
2554 if (data
->oldpath
!= NULL
) {
2555 free(data
->oldpath
);
2557 if (data
->olddir
.data
.data_val
!= NULL
) {
2558 free(data
->olddir
.data
.data_val
);
2560 if (data
->newpath
!= NULL
) {
2561 free(data
->newpath
);
2563 if (data
->newdir
.data
.data_val
!= NULL
) {
2564 free(data
->newdir
.data
.data_val
);
2569 static void nfs_rename_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
2572 struct nfs_cb_data
*data
= private_data
;
2573 struct nfs_context
*nfs
= data
->nfs
;
2574 struct nfs_rename_data
*rename_data
= data
->continue_data
;
2576 if (status
== RPC_STATUS_ERROR
) {
2577 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2578 free_nfs_cb_data(data
);
2581 if (status
== RPC_STATUS_CANCEL
) {
2582 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2583 free_nfs_cb_data(data
);
2588 if (res
->status
!= NFS3_OK
) {
2589 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
));
2590 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2591 free_nfs_cb_data(data
);
2595 data
->cb(0, nfs
, NULL
, data
->private_data
);
2596 free_nfs_cb_data(data
);
2599 static int nfs_rename_continue_2_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
2601 struct nfs_rename_data
*rename_data
= data
->continue_data
;
2603 /* steal the filehandle */
2604 rename_data
->newdir
.data
.data_len
= data
->fh
.data
.data_len
;
2605 rename_data
->newdir
.data
.data_val
= data
->fh
.data
.data_val
;
2606 data
->fh
.data
.data_val
= NULL
;
2608 if (rpc_nfs_rename_async(nfs
->rpc
, nfs_rename_cb
, &rename_data
->olddir
, rename_data
->oldobject
, &rename_data
->newdir
, rename_data
->newobject
, data
) != 0) {
2609 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send RENAME call for %s", data
->path
);
2610 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2611 free_nfs_cb_data(data
);
2618 static int nfs_rename_continue_1_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
2620 struct nfs_rename_data
*rename_data
= data
->continue_data
;
2622 /* steal the filehandle */
2623 rename_data
->olddir
.data
.data_len
= data
->fh
.data
.data_len
;
2624 rename_data
->olddir
.data
.data_val
= data
->fh
.data
.data_val
;
2625 data
->fh
.data
.data_val
= NULL
;
2627 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) {
2628 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send LOOKUP call for %s", rename_data
->newpath
);
2629 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2630 free_nfs_cb_data(data
);
2633 data
->continue_data
= NULL
;
2634 free_nfs_cb_data(data
);
2640 int nfs_rename_async(struct nfs_context
*nfs
, const char *oldpath
, const char *newpath
, nfs_cb cb
, void *private_data
)
2643 struct nfs_rename_data
*rename_data
;
2645 rename_data
= malloc(sizeof(struct nfs_rename_data
));
2646 if (rename_data
== NULL
) {
2647 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for rename data");
2650 bzero(rename_data
, sizeof(struct nfs_rename_data
));
2652 rename_data
->oldpath
= strdup(oldpath
);
2653 if (rename_data
->oldpath
== NULL
) {
2654 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for oldpath");
2655 free_nfs_rename_data(rename_data
);
2658 ptr
= rindex(rename_data
->oldpath
, '/');
2660 rpc_set_error(nfs
->rpc
, "Invalid path %s", oldpath
);
2661 free_nfs_rename_data(rename_data
);
2666 rename_data
->oldobject
= ptr
;
2669 rename_data
->newpath
= strdup(newpath
);
2670 if (rename_data
->newpath
== NULL
) {
2671 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for newpath");
2672 free_nfs_rename_data(rename_data
);
2675 ptr
= rindex(rename_data
->newpath
, '/');
2677 rpc_set_error(nfs
->rpc
, "Invalid path %s", newpath
);
2678 free_nfs_rename_data(rename_data
);
2683 rename_data
->newobject
= ptr
;
2686 if (nfs_lookuppath_async(nfs
, rename_data
->oldpath
, cb
, private_data
, nfs_rename_continue_1_internal
, rename_data
, free_nfs_rename_data
, 0) != 0) {
2687 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
2698 struct nfs_link_data
{
2700 struct nfs_fh3 oldfh
;
2703 struct nfs_fh3 newdir
;
2706 static void free_nfs_link_data(void *mem
)
2708 struct nfs_link_data
*data
= mem
;
2710 if (data
->oldpath
!= NULL
) {
2711 free(data
->oldpath
);
2713 if (data
->oldfh
.data
.data_val
!= NULL
) {
2714 free(data
->oldfh
.data
.data_val
);
2716 if (data
->newpath
!= NULL
) {
2717 free(data
->newpath
);
2719 if (data
->newdir
.data
.data_val
!= NULL
) {
2720 free(data
->newdir
.data
.data_val
);
2725 static void nfs_link_cb(struct rpc_context
*rpc _U_
, int status
, void *command_data
, void *private_data
)
2728 struct nfs_cb_data
*data
= private_data
;
2729 struct nfs_context
*nfs
= data
->nfs
;
2730 struct nfs_link_data
*link_data
= data
->continue_data
;
2732 if (status
== RPC_STATUS_ERROR
) {
2733 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2734 free_nfs_cb_data(data
);
2737 if (status
== RPC_STATUS_CANCEL
) {
2738 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2739 free_nfs_cb_data(data
);
2744 if (res
->status
!= NFS3_OK
) {
2745 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
));
2746 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2747 free_nfs_cb_data(data
);
2751 data
->cb(0, nfs
, NULL
, data
->private_data
);
2752 free_nfs_cb_data(data
);
2755 static int nfs_link_continue_2_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
2757 struct nfs_link_data
*link_data
= data
->continue_data
;
2759 /* steal the filehandle */
2760 link_data
->newdir
.data
.data_len
= data
->fh
.data
.data_len
;
2761 link_data
->newdir
.data
.data_val
= data
->fh
.data
.data_val
;
2762 data
->fh
.data
.data_val
= NULL
;
2764 if (rpc_nfs_link_async(nfs
->rpc
, nfs_link_cb
, &link_data
->oldfh
, &link_data
->newdir
, link_data
->newobject
, data
) != 0) {
2765 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send LINK call for %s", data
->path
);
2766 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2767 free_nfs_cb_data(data
);
2774 static int nfs_link_continue_1_internal(struct nfs_context
*nfs
, struct nfs_cb_data
*data
)
2776 struct nfs_link_data
*link_data
= data
->continue_data
;
2778 /* steal the filehandle */
2779 link_data
->oldfh
.data
.data_len
= data
->fh
.data
.data_len
;
2780 link_data
->oldfh
.data
.data_val
= data
->fh
.data
.data_val
;
2781 data
->fh
.data
.data_val
= NULL
;
2783 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) {
2784 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send LOOKUP call for %s", link_data
->newpath
);
2785 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2786 free_nfs_cb_data(data
);
2789 data
->continue_data
= NULL
;
2790 free_nfs_cb_data(data
);
2796 int nfs_link_async(struct nfs_context
*nfs
, const char *oldpath
, const char *newpath
, nfs_cb cb
, void *private_data
)
2799 struct nfs_link_data
*link_data
;
2801 link_data
= malloc(sizeof(struct nfs_link_data
));
2802 if (link_data
== NULL
) {
2803 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for link data");
2806 bzero(link_data
, sizeof(struct nfs_link_data
));
2808 link_data
->oldpath
= strdup(oldpath
);
2809 if (link_data
->oldpath
== NULL
) {
2810 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for oldpath");
2811 free_nfs_link_data(link_data
);
2815 link_data
->newpath
= strdup(newpath
);
2816 if (link_data
->newpath
== NULL
) {
2817 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for newpath");
2818 free_nfs_link_data(link_data
);
2821 ptr
= rindex(link_data
->newpath
, '/');
2823 rpc_set_error(nfs
->rpc
, "Invalid path %s", newpath
);
2824 free_nfs_link_data(link_data
);
2829 link_data
->newobject
= ptr
;
2832 if (nfs_lookuppath_async(nfs
, link_data
->oldpath
, cb
, private_data
, nfs_link_continue_1_internal
, link_data
, free_nfs_link_data
, 0) != 0) {
2833 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
2841 //qqq replace later with lseek()
2842 off_t
nfs_get_current_offset(struct nfsfh
*nfsfh
)
2844 return nfsfh
->offset
;
2850 * Get the maximum supported READ3 size by the server
2852 size_t nfs_get_readmax(struct nfs_context
*nfs
)
2854 return nfs
->readmax
;
2858 * Get the maximum supported WRITE3 size by the server
2860 size_t nfs_get_writemax(struct nfs_context
*nfs
)
2862 return nfs
->writemax
;
2865 void nfs_set_error(struct nfs_context
*nfs
, char *error_string
, ...)
2870 va_start(ap
, error_string
);
2871 vasprintf(&str
, error_string
, ap
);
2872 if (nfs
->rpc
->error_string
!= NULL
) {
2873 free(nfs
->rpc
->error_string
);
2875 nfs
->rpc
->error_string
= str
;
2881 struct mount_cb_data
{
2887 static void free_mount_cb_data(struct mount_cb_data
*data
)
2889 if (data
->server
!= NULL
) {
2891 data
->server
= NULL
;
2897 static void mount_export_5_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2899 struct mount_cb_data
*data
= private_data
;
2901 if (status
== RPC_STATUS_ERROR
) {
2902 data
->cb(rpc
, -EFAULT
, command_data
, data
->private_data
);
2903 free_mount_cb_data(data
);
2906 if (status
== RPC_STATUS_CANCEL
) {
2907 data
->cb(rpc
, -EINTR
, "Command was cancelled", data
->private_data
);
2908 free_mount_cb_data(data
);
2912 data
->cb(rpc
, 0, command_data
, data
->private_data
);
2913 if (rpc_disconnect(rpc
, "normal disconnect") != 0) {
2914 rpc_set_error(rpc
, "Failed to disconnect\n");
2916 free_mount_cb_data(data
);
2919 static void mount_export_4_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2921 struct mount_cb_data
*data
= private_data
;
2923 if (status
== RPC_STATUS_ERROR
) {
2924 data
->cb(rpc
, -EFAULT
, command_data
, data
->private_data
);
2925 free_mount_cb_data(data
);
2928 if (status
== RPC_STATUS_CANCEL
) {
2929 data
->cb(rpc
, -EINTR
, "Command was cancelled", data
->private_data
);
2930 free_mount_cb_data(data
);
2934 if (rpc_mount_export_async(rpc
, mount_export_5_cb
, data
) != 0) {
2935 data
->cb(rpc
, -ENOMEM
, command_data
, data
->private_data
);
2936 free_mount_cb_data(data
);
2941 static void mount_export_3_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2943 struct mount_cb_data
*data
= private_data
;
2944 uint32_t mount_port
;
2946 if (status
== RPC_STATUS_ERROR
) {
2947 data
->cb(rpc
, -EFAULT
, command_data
, data
->private_data
);
2948 free_mount_cb_data(data
);
2951 if (status
== RPC_STATUS_CANCEL
) {
2952 data
->cb(rpc
, -EINTR
, "Command was cancelled", data
->private_data
);
2953 free_mount_cb_data(data
);
2957 mount_port
= *(uint32_t *)command_data
;
2958 if (mount_port
== 0) {
2959 rpc_set_error(rpc
, "RPC error. Mount program is not available");
2960 data
->cb(rpc
, -ENOENT
, command_data
, data
->private_data
);
2961 free_mount_cb_data(data
);
2965 rpc_disconnect(rpc
, "normal disconnect");
2966 if (rpc_connect_async(rpc
, data
->server
, mount_port
, mount_export_4_cb
, data
) != 0) {
2967 data
->cb(rpc
, -ENOMEM
, command_data
, data
->private_data
);
2968 free_mount_cb_data(data
);
2973 static void mount_export_2_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2975 struct mount_cb_data
*data
= private_data
;
2977 if (status
== RPC_STATUS_ERROR
) {
2978 data
->cb(rpc
, -EFAULT
, command_data
, data
->private_data
);
2979 free_mount_cb_data(data
);
2982 if (status
== RPC_STATUS_CANCEL
) {
2983 data
->cb(rpc
, -EINTR
, "Command was cancelled", data
->private_data
);
2984 free_mount_cb_data(data
);
2988 if (rpc_pmap_getport_async(rpc
, MOUNT_PROGRAM
, MOUNT_V3
, mount_export_3_cb
, private_data
) != 0) {
2989 data
->cb(rpc
, -ENOMEM
, command_data
, data
->private_data
);
2990 free_mount_cb_data(data
);
2995 static void mount_export_1_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2997 struct mount_cb_data
*data
= private_data
;
2999 if (status
== RPC_STATUS_ERROR
) {
3000 data
->cb(rpc
, -EFAULT
, command_data
, data
->private_data
);
3001 free_mount_cb_data(data
);
3004 if (status
== RPC_STATUS_CANCEL
) {
3005 data
->cb(rpc
, -EINTR
, "Command was cancelled", data
->private_data
);
3006 free_mount_cb_data(data
);
3010 if (rpc_pmap_null_async(rpc
, mount_export_2_cb
, data
) != 0) {
3011 data
->cb(rpc
, -ENOMEM
, command_data
, data
->private_data
);
3012 free_mount_cb_data(data
);
3017 int mount_getexports_async(struct rpc_context
*rpc
, const char *server
, rpc_cb cb
, void *private_data
)
3019 struct mount_cb_data
*data
;
3021 data
= malloc(sizeof(struct mount_cb_data
));
3025 bzero(data
, sizeof(struct mount_cb_data
));
3027 data
->private_data
= private_data
;
3028 data
->server
= strdup(server
);
3029 if (data
->server
== NULL
) {
3030 free_mount_cb_data(data
);
3033 if (rpc_connect_async(rpc
, data
->server
, 111, mount_export_1_cb
, data
) != 0) {
3034 free_mount_cb_data(data
);
3041 struct rpc_context
*nfs_get_rpc_context(struct nfs_context
*nfs
)