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
25 #include "aros_compat.h"
29 #include "win32_compat.h"
37 #define statvfs statfs
50 #ifdef HAVE_SYS_STATVFS_H
51 #include <sys/statvfs.h>
54 #ifdef HAVE_NETINET_IN_H
55 #include <netinet/in.h>
63 #include <sys/mkdev.h>
66 #ifdef MAJOR_IN_SYSMACROS
67 #include <sys/sysmacros.h>
76 #include <sys/types.h>
79 #include "libnfs-zdr.h"
82 #include "libnfs-raw.h"
83 #include "libnfs-raw-mount.h"
84 #include "libnfs-raw-nfs.h"
85 #include "libnfs-raw-portmap.h"
86 #include "libnfs-private.h"
88 #define MAX_DIR_CACHE 128
89 #define MAX_LINK_COUNT 40
96 struct nfsdirent
*entries
;
97 struct nfsdirent
*current
;
100 struct nfs_readahead
{
102 uint64_t last_offset
;
115 struct nfs_readahead ra
;
119 struct rpc_context
*rpc
;
122 struct nfs_fh3 rootfh
;
126 struct nfsdir
*dircache
;
129 void nfs_free_nfsdir(struct nfsdir
*nfsdir
)
131 while (nfsdir
->entries
) {
132 struct nfsdirent
*dirent
= nfsdir
->entries
->next
;
133 if (nfsdir
->entries
->name
!= NULL
) {
134 free(nfsdir
->entries
->name
);
136 free(nfsdir
->entries
);
137 nfsdir
->entries
= dirent
;
139 free(nfsdir
->fh
.data
.data_val
);
143 static void nfs_dircache_add(struct nfs_context
*nfs
, struct nfsdir
*nfsdir
)
146 LIBNFS_LIST_ADD(&nfs
->dircache
, nfsdir
);
148 for (nfsdir
= nfs
->dircache
, i
= 0; nfsdir
; nfsdir
= nfsdir
->next
, i
++) {
149 if (i
> MAX_DIR_CACHE
) {
150 LIBNFS_LIST_REMOVE(&nfs
->dircache
, nfsdir
);
151 nfs_free_nfsdir(nfsdir
);
157 static struct nfsdir
*nfs_dircache_find(struct nfs_context
*nfs
, struct nfs_fh3
*fh
)
159 struct nfsdir
*nfsdir
;
161 for (nfsdir
= nfs
->dircache
; nfsdir
; nfsdir
= nfsdir
->next
) {
162 if (nfsdir
->fh
.data
.data_len
== fh
->data
.data_len
&&
163 !memcmp(nfsdir
->fh
.data
.data_val
, fh
->data
.data_val
, fh
->data
.data_len
)) {
164 LIBNFS_LIST_REMOVE(&nfs
->dircache
, nfsdir
);
173 typedef int (*continue_func
)(struct nfs_context
*nfs
, fattr3
*attr
,
174 struct nfs_cb_data
*data
);
177 struct nfs_context
*nfs
;
179 char *saved_path
, *path
;
180 int link_count
, no_follow
;
185 continue_func continue_cb
;
187 void (*free_continue_data
)(void *);
192 /* for multi-read/write calls. */
197 uint64_t offset
, count
, max_offset
, org_offset
, org_count
;
202 struct nfs_mcb_data
{
203 struct nfs_cb_data
*data
;
209 static int nfs_lookup_path_async_internal(struct nfs_context
*nfs
, fattr3
*attr
, struct nfs_cb_data
*data
, struct nfs_fh3
*fh
);
210 static int nfs_normalize_path(struct nfs_context
*nfs
, char *path
);
212 void nfs_set_auth(struct nfs_context
*nfs
, struct AUTH
*auth
)
214 rpc_set_auth(nfs
->rpc
, auth
);
217 int nfs_get_fd(struct nfs_context
*nfs
)
219 return rpc_get_fd(nfs
->rpc
);
222 int nfs_queue_length(struct nfs_context
*nfs
)
224 return rpc_queue_length(nfs
->rpc
);
227 int nfs_which_events(struct nfs_context
*nfs
)
229 return rpc_which_events(nfs
->rpc
);
232 int nfs_service(struct nfs_context
*nfs
, int revents
)
234 return rpc_service(nfs
->rpc
, revents
);
237 char *nfs_get_error(struct nfs_context
*nfs
)
239 return rpc_get_error(nfs
->rpc
);
242 static int nfs_set_context_args(struct nfs_context
*nfs
, char *arg
, char *val
)
244 if (!strcmp(arg
, "tcp-syncnt")) {
245 rpc_set_tcp_syncnt(nfs_get_rpc_context(nfs
), atoi(val
));
246 } else if (!strcmp(arg
, "uid")) {
247 rpc_set_uid(nfs_get_rpc_context(nfs
), atoi(val
));
248 } else if (!strcmp(arg
, "gid")) {
249 rpc_set_gid(nfs_get_rpc_context(nfs
), atoi(val
));
250 } else if (!strcmp(arg
, "readahaed")) {
251 rpc_set_readahead(nfs_get_rpc_context(nfs
), atoi(val
));
256 static struct nfs_url
*nfs_parse_url(struct nfs_context
*nfs
, const char *url
, int dir
, int incomplete
)
258 struct nfs_url
*urls
;
259 char *strp
, *flagsp
, *strp2
;
261 if (strncmp(url
, "nfs://", 6)) {
262 rpc_set_error(nfs
->rpc
, "Invalid URL specified");
266 urls
= malloc(sizeof(struct nfs_url
));
268 rpc_set_error(nfs
->rpc
, "Out of memory");
272 memset(urls
, 0x00, sizeof(struct nfs_url
));
273 urls
->server
= strdup(url
+ 6);
274 if (urls
->server
== NULL
) {
275 nfs_destroy_url(urls
);
276 rpc_set_error(nfs
->rpc
, "Out of memory");
280 if (urls
->server
[0] == '/' || urls
->server
[0] == '\0' ||
281 urls
->server
[0] == '?') {
283 flagsp
= strchr(urls
->server
, '?');
286 nfs_destroy_url(urls
);
287 rpc_set_error(nfs
->rpc
, "Invalid server string");
291 strp
= strchr(urls
->server
, '/');
294 flagsp
= strchr(urls
->server
, '?');
297 nfs_destroy_url(urls
);
298 rpc_set_error(nfs
->rpc
, "Incomplete or invalid URL specified.");
302 urls
->path
= strdup(strp
);
303 if (urls
->path
== NULL
) {
304 nfs_destroy_url(urls
);
305 rpc_set_error(nfs
->rpc
, "Out of memory");
311 flagsp
= strchr(urls
->path
, '?');
315 strp
= strrchr(urls
->path
, '/');
318 flagsp
= strchr(urls
->path
, '?');
321 nfs_destroy_url(urls
);
322 rpc_set_error(nfs
->rpc
, "Incomplete or invalid URL specified.");
325 urls
->file
= strdup(strp
);
326 if (urls
->path
== NULL
) {
327 nfs_destroy_url(urls
);
328 rpc_set_error(nfs
->rpc
, "Out of memory");
332 flagsp
= strchr(urls
->file
, '?');
339 if (urls
->file
&& !strlen(urls
->file
)) {
343 nfs_destroy_url(urls
);
344 rpc_set_error(nfs
->rpc
, "Incomplete or invalid URL specified.");
349 while (flagsp
!= NULL
&& *(flagsp
+1) != 0) {
351 flagsp
= strchr(strp
, '&');
355 strp2
= strchr(strp
, '=');
359 nfs_set_context_args(nfs
, strp
, strp2
);
363 if (urls
->server
&& strlen(urls
->server
) <= 1) {
371 struct nfs_url
*nfs_parse_url_full(struct nfs_context
*nfs
, const char *url
)
373 return nfs_parse_url(nfs
, url
, 0, 0);
376 struct nfs_url
*nfs_parse_url_dir(struct nfs_context
*nfs
, const char *url
)
378 return nfs_parse_url(nfs
, url
, 1, 0);
381 struct nfs_url
*nfs_parse_url_incomplete(struct nfs_context
*nfs
, const char *url
)
383 return nfs_parse_url(nfs
, url
, 0, 1);
387 void nfs_destroy_url(struct nfs_url
*url
)
397 struct nfs_context
*nfs_init_context(void)
399 struct nfs_context
*nfs
;
401 nfs
= malloc(sizeof(struct nfs_context
));
405 memset(nfs
, 0, sizeof(struct nfs_context
));
407 nfs
->rpc
= rpc_init_context();
408 if (nfs
->rpc
== NULL
) {
413 nfs
->cwd
= strdup("/");
418 void nfs_destroy_context(struct nfs_context
*nfs
)
420 rpc_destroy_context(nfs
->rpc
);
438 if (nfs
->rootfh
.data
.data_val
!= NULL
) {
439 free(nfs
->rootfh
.data
.data_val
);
440 nfs
->rootfh
.data
.data_val
= NULL
;
443 while (nfs
->dircache
) {
444 struct nfsdir
*nfsdir
= nfs
->dircache
;
445 LIBNFS_LIST_REMOVE(&nfs
->dircache
, nfsdir
);
446 nfs_free_nfsdir(nfsdir
);
461 void free_rpc_cb_data(struct rpc_cb_data
*data
)
468 static void rpc_connect_program_5_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
470 struct rpc_cb_data
*data
= private_data
;
472 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
474 /* Dont want any more callbacks even if the socket is closed */
475 rpc
->connect_cb
= NULL
;
477 if (status
== RPC_STATUS_ERROR
) {
478 data
->cb(rpc
, status
, command_data
, data
->private_data
);
479 free_rpc_cb_data(data
);
482 if (status
== RPC_STATUS_CANCEL
) {
483 data
->cb(rpc
, status
, "Command was cancelled", data
->private_data
);
484 free_rpc_cb_data(data
);
488 data
->cb(rpc
, status
, NULL
, data
->private_data
);
489 free_rpc_cb_data(data
);
492 static void rpc_connect_program_4_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
494 struct rpc_cb_data
*data
= private_data
;
496 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
498 /* Dont want any more callbacks even if the socket is closed */
499 rpc
->connect_cb
= NULL
;
501 if (status
== RPC_STATUS_ERROR
) {
502 data
->cb(rpc
, status
, command_data
, data
->private_data
);
503 free_rpc_cb_data(data
);
506 if (status
== RPC_STATUS_CANCEL
) {
507 data
->cb(rpc
, status
, "Command was cancelled", data
->private_data
);
508 free_rpc_cb_data(data
);
512 switch (data
->program
) {
514 if (rpc_mount3_null_async(rpc
, rpc_connect_program_5_cb
,
516 data
->cb(rpc
, status
, command_data
, data
->private_data
);
517 free_rpc_cb_data(data
);
522 if (rpc_nfs3_null_async(rpc
, rpc_connect_program_5_cb
,
524 data
->cb(rpc
, status
, command_data
, data
->private_data
);
525 free_rpc_cb_data(data
);
531 data
->cb(rpc
, status
, NULL
, data
->private_data
);
532 free_rpc_cb_data(data
);
535 static void rpc_connect_program_3_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
537 struct rpc_cb_data
*data
= private_data
;
538 struct pmap3_string_result
*gar
;
539 uint32_t rpc_port
= 0;
542 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
544 if (status
== RPC_STATUS_ERROR
) {
545 data
->cb(rpc
, status
, command_data
, data
->private_data
);
546 free_rpc_cb_data(data
);
549 if (status
== RPC_STATUS_CANCEL
) {
550 data
->cb(rpc
, status
, "Command was cancelled", data
->private_data
);
551 free_rpc_cb_data(data
);
555 switch (rpc
->s
.ss_family
) {
557 rpc_port
= *(uint32_t *)command_data
;
560 /* ouch. portmapper and ipv6 are not great */
562 if (gar
->addr
== NULL
) {
565 ptr
= strrchr(gar
->addr
, '.');
569 rpc_port
= atoi(ptr
+ 1);
571 ptr
= strrchr(gar
->addr
, '.');
575 rpc_port
+= 256 * atoi(ptr
+ 1);
579 rpc_set_error(rpc
, "RPC error. Program is not available on %s", data
->server
);
580 data
->cb(rpc
, RPC_STATUS_ERROR
, rpc_get_error(rpc
), data
->private_data
);
581 free_rpc_cb_data(data
);
585 rpc_disconnect(rpc
, "normal disconnect");
586 if (rpc_connect_async(rpc
, data
->server
, rpc_port
, rpc_connect_program_4_cb
, data
) != 0) {
587 data
->cb(rpc
, status
, command_data
, data
->private_data
);
588 free_rpc_cb_data(data
);
593 static void rpc_connect_program_2_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
595 struct rpc_cb_data
*data
= private_data
;
596 struct pmap3_mapping map
;
598 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
600 if (status
== RPC_STATUS_ERROR
) {
601 data
->cb(rpc
, status
, command_data
, data
->private_data
);
602 free_rpc_cb_data(data
);
605 if (status
== RPC_STATUS_CANCEL
) {
606 data
->cb(rpc
, status
, "Command was cancelled", data
->private_data
);
607 free_rpc_cb_data(data
);
611 switch (rpc
->s
.ss_family
) {
613 if (rpc_pmap2_getport_async(rpc
, data
->program
, data
->version
, IPPROTO_TCP
, rpc_connect_program_3_cb
, private_data
) != 0) {
614 data
->cb(rpc
, status
, command_data
, data
->private_data
);
615 free_rpc_cb_data(data
);
620 map
.prog
=data
->program
;
621 map
.vers
=data
->version
;
625 if (rpc_pmap3_getaddr_async(rpc
, &map
, rpc_connect_program_3_cb
, private_data
) != 0) {
626 data
->cb(rpc
, status
, command_data
, data
->private_data
);
627 free_rpc_cb_data(data
);
634 static void rpc_connect_program_1_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
636 struct rpc_cb_data
*data
= private_data
;
638 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
640 /* Dont want any more callbacks even if the socket is closed */
641 rpc
->connect_cb
= NULL
;
643 if (status
== RPC_STATUS_ERROR
) {
644 data
->cb(rpc
, status
, command_data
, data
->private_data
);
645 free_rpc_cb_data(data
);
648 if (status
== RPC_STATUS_CANCEL
) {
649 data
->cb(rpc
, status
, "Command was cancelled", data
->private_data
);
650 free_rpc_cb_data(data
);
654 switch (rpc
->s
.ss_family
) {
656 if (rpc_pmap2_null_async(rpc
, rpc_connect_program_2_cb
, data
) != 0) {
657 data
->cb(rpc
, status
, command_data
, data
->private_data
);
658 free_rpc_cb_data(data
);
663 if (rpc_pmap3_null_async(rpc
, rpc_connect_program_2_cb
, data
) != 0) {
664 data
->cb(rpc
, status
, command_data
, data
->private_data
);
665 free_rpc_cb_data(data
);
672 int rpc_connect_program_async(struct rpc_context
*rpc
, const char *server
, int program
, int version
, rpc_cb cb
, void *private_data
)
674 struct rpc_cb_data
*data
;
676 data
= malloc(sizeof(struct rpc_cb_data
));
680 memset(data
, 0, sizeof(struct rpc_cb_data
));
681 data
->server
= strdup(server
);
682 data
->program
= program
;
683 data
->version
= version
;
686 data
->private_data
= private_data
;
688 if (rpc_connect_async(rpc
, server
, 111, rpc_connect_program_1_cb
, data
) != 0) {
689 rpc_set_error(rpc
, "Failed to start connection");
690 free_rpc_cb_data(data
);
696 static void free_nfs_cb_data(struct nfs_cb_data
*data
)
698 if (data
->continue_data
!= NULL
) {
699 assert(data
->free_continue_data
);
700 data
->free_continue_data(data
->continue_data
);
703 free(data
->saved_path
);
704 free(data
->fh
.data
.data_val
);
710 static void free_nfsfh(struct nfsfh
*nfsfh
)
712 if (nfsfh
->fh
.data
.data_val
!= NULL
) {
713 free(nfsfh
->fh
.data
.data_val
);
714 nfsfh
->fh
.data
.data_val
= NULL
;
721 static void nfs_mount_10_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
723 struct nfs_cb_data
*data
= private_data
;
724 struct nfs_context
*nfs
= data
->nfs
;
726 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
728 if (status
== RPC_STATUS_ERROR
) {
729 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
730 free_nfs_cb_data(data
);
733 if (status
== RPC_STATUS_CANCEL
) {
734 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
735 free_nfs_cb_data(data
);
739 data
->cb(0, nfs
, NULL
, data
->private_data
);
740 free_nfs_cb_data(data
);
743 static void nfs_mount_9_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
745 struct nfs_cb_data
*data
= private_data
;
746 struct nfs_context
*nfs
= data
->nfs
;
747 FSINFO3res
*res
= command_data
;
748 struct GETATTR3args args
;
750 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
752 if (status
== RPC_STATUS_ERROR
) {
753 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
754 free_nfs_cb_data(data
);
757 if (status
== RPC_STATUS_CANCEL
) {
758 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
759 free_nfs_cb_data(data
);
763 nfs
->readmax
= res
->FSINFO3res_u
.resok
.rtmax
;
764 nfs
->writemax
= res
->FSINFO3res_u
.resok
.wtmax
;
766 memset(&args
, 0, sizeof(GETATTR3args
));
767 args
.object
= nfs
->rootfh
;
769 if (rpc_nfs3_getattr_async(rpc
, nfs_mount_10_cb
, &args
, data
) != 0) {
770 data
->cb(-ENOMEM
, nfs
, command_data
, data
->private_data
);
771 free_nfs_cb_data(data
);
776 static void nfs_mount_8_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
778 struct nfs_cb_data
*data
= private_data
;
779 struct nfs_context
*nfs
= data
->nfs
;
780 struct FSINFO3args args
;
782 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
784 if (status
== RPC_STATUS_ERROR
) {
785 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
786 free_nfs_cb_data(data
);
789 if (status
== RPC_STATUS_CANCEL
) {
790 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
791 free_nfs_cb_data(data
);
795 /* NFS TCP connections we want to autoreconnect after sessions are torn down (due to inactivity or error) */
796 rpc_set_autoreconnect(rpc
);
798 args
.fsroot
= nfs
->rootfh
;
799 if (rpc_nfs3_fsinfo_async(rpc
, nfs_mount_9_cb
, &args
, data
) != 0) {
800 data
->cb(-ENOMEM
, nfs
, command_data
, data
->private_data
);
801 free_nfs_cb_data(data
);
806 static void nfs_mount_6_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
808 struct nfs_cb_data
*data
= private_data
;
809 struct nfs_context
*nfs
= data
->nfs
;
812 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
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
->fhs_status
!= MNT3_OK
) {
827 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
));
828 data
->cb(mountstat3_to_errno(res
->fhs_status
), nfs
, rpc_get_error(rpc
), data
->private_data
);
829 free_nfs_cb_data(data
);
833 nfs
->rootfh
.data
.data_len
= res
->mountres3_u
.mountinfo
.fhandle
.fhandle3_len
;
834 nfs
->rootfh
.data
.data_val
= malloc(nfs
->rootfh
.data
.data_len
);
835 if (nfs
->rootfh
.data
.data_val
== NULL
) {
836 rpc_set_error(rpc
, "Out of memory. Could not allocate memory to store root filehandle");
837 data
->cb(-ENOMEM
, nfs
, rpc_get_error(rpc
), data
->private_data
);
838 free_nfs_cb_data(data
);
841 memcpy(nfs
->rootfh
.data
.data_val
, res
->mountres3_u
.mountinfo
.fhandle
.fhandle3_val
, nfs
->rootfh
.data
.data_len
);
843 rpc_disconnect(rpc
, "normal disconnect");
845 if (rpc_connect_program_async(nfs
->rpc
, nfs
->server
, NFS_PROGRAM
, NFS_V3
, nfs_mount_8_cb
, data
) != 0) {
846 data
->cb(-ENOMEM
, nfs
, command_data
, data
->private_data
);
847 free_nfs_cb_data(data
);
853 static void nfs_mount_5_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
855 struct nfs_cb_data
*data
= private_data
;
856 struct nfs_context
*nfs
= data
->nfs
;
858 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
860 if (status
== RPC_STATUS_ERROR
) {
861 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
862 free_nfs_cb_data(data
);
865 if (status
== RPC_STATUS_CANCEL
) {
866 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
867 free_nfs_cb_data(data
);
871 if (rpc_mount3_mnt_async(rpc
, nfs_mount_6_cb
, nfs
->export
, data
) != 0) {
872 data
->cb(-ENOMEM
, nfs
, command_data
, data
->private_data
);
873 free_nfs_cb_data(data
);
879 * Async call for mounting an nfs share and geting the root filehandle
881 int nfs_mount_async(struct nfs_context
*nfs
, const char *server
, const char *export
, nfs_cb cb
, void *private_data
)
883 struct nfs_cb_data
*data
;
884 char *new_server
, *new_export
;
886 data
= malloc(sizeof(struct nfs_cb_data
));
888 rpc_set_error(nfs
->rpc
, "out of memory. failed to allocate memory for nfs mount data");
891 memset(data
, 0, sizeof(struct nfs_cb_data
));
892 new_server
= strdup(server
);
893 new_export
= strdup(export
);
894 if (nfs
->server
!= NULL
) {
897 nfs
->server
= new_server
;
898 if (nfs
->export
!= NULL
) {
901 nfs
->export
= new_export
;
904 data
->private_data
= private_data
;
906 if (rpc_connect_program_async(nfs
->rpc
, server
, MOUNT_PROGRAM
, MOUNT_V3
, nfs_mount_5_cb
, data
) != 0) {
907 rpc_set_error(nfs
->rpc
, "Failed to start connection");
908 free_nfs_cb_data(data
);
918 * Functions to first look up a path, component by component, and then finally call a specific function once
919 * the filehandle for the final component is found.
921 static void nfs_lookup_path_2_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
923 struct nfs_cb_data
*data
= private_data
;
924 struct nfs_context
*nfs
= data
->nfs
;
926 char *path
, *newpath
;
928 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
930 if (status
== RPC_STATUS_ERROR
) {
931 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
932 free_nfs_cb_data(data
);
935 if (status
== RPC_STATUS_CANCEL
) {
936 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
937 free_nfs_cb_data(data
);
942 if (res
->status
!= NFS3_OK
) {
943 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
));
944 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
945 free_nfs_cb_data(data
);
949 path
= res
->READLINK3res_u
.resok
.data
;
951 /* Handle absolute paths, ensuring that the path lies within the
953 if (path
[0] == '/') {
954 if (strstr(path
, nfs
->export
) == path
) {
955 char *ptr
= path
+ strlen(nfs
->export
);
957 newpath
= strdup(ptr
);
958 } else if (*ptr
== '\0') {
959 newpath
= strdup("/");
961 data
->cb(-ENOENT
, nfs
, "Symbolic link points outside export", data
->private_data
);
962 free_nfs_cb_data(data
);
966 data
->cb(-ENOENT
, nfs
, "Symbolic link points outside export", data
->private_data
);
967 free_nfs_cb_data(data
);
974 /* Handle relative paths, both the case where the current
975 * component is an intermediate component and when it is the
976 * final component. */
978 /* Since path points to a component and saved_path
979 * always starts with '/', path[-1] is valid. */
980 data
->path
[-1] = '\0';
981 newpath
= malloc(strlen(data
->saved_path
) + strlen(path
) + strlen(data
->path
) + 6);
985 sprintf(newpath
, "%s/../%s/%s", data
->saved_path
, path
, data
->path
);
987 newpath
= malloc(strlen(data
->saved_path
) + strlen(path
) + 5);
991 sprintf(newpath
, "%s/../%s", data
->saved_path
, path
);
994 free(data
->saved_path
);
995 data
->saved_path
= newpath
;
997 if (nfs_normalize_path(nfs
, data
->saved_path
) != 0) {
998 data
->cb(-ENOENT
, nfs
, "Symbolic link resolves to invalid path", data
->private_data
);
999 free_nfs_cb_data(data
);
1003 data
->path
= data
->saved_path
;
1004 nfs_lookup_path_async_internal(nfs
, NULL
, data
, &nfs
->rootfh
);
1008 data
->cb(-ENOMEM
, nfs
, "Failed to allocate memory for path", data
->private_data
);
1009 free_nfs_cb_data(data
);
1012 static void nfs_lookup_path_1_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
1014 struct nfs_cb_data
*data
= private_data
;
1015 struct nfs_context
*nfs
= data
->nfs
;
1019 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
1021 if (status
== RPC_STATUS_ERROR
) {
1022 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1023 free_nfs_cb_data(data
);
1026 if (status
== RPC_STATUS_CANCEL
) {
1027 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1028 free_nfs_cb_data(data
);
1033 if (res
->status
!= NFS3_OK
) {
1034 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
));
1035 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1036 free_nfs_cb_data(data
);
1040 attr
= res
->LOOKUP3res_u
.resok
.obj_attributes
.attributes_follow
?
1041 &res
->LOOKUP3res_u
.resok
.obj_attributes
.post_op_attr_u
.attributes
:
1044 /* This function will always invoke the callback and cleanup
1045 * for failures. So no need to check the return value.
1047 nfs_lookup_path_async_internal(nfs
, attr
, data
, &res
->LOOKUP3res_u
.resok
.object
);
1050 static int nfs_lookup_path_async_internal(struct nfs_context
*nfs
, fattr3
*attr
, struct nfs_cb_data
*data
, struct nfs_fh3
*fh
)
1055 while (*data
->path
== '/') {
1060 slash
= strchr(path
, '/');
1062 if (attr
&& attr
->type
== NF3LNK
&& (!data
->no_follow
|| *path
!= '\0')) {
1065 if (data
->link_count
++ >= MAX_LINK_COUNT
) {
1066 data
->cb(-ELOOP
, nfs
, "Too many levels of symbolic links", data
->private_data
);
1067 free_nfs_cb_data(data
);
1073 if (rpc_nfs3_readlink_async(nfs
->rpc
, nfs_lookup_path_2_cb
, &args
, data
) != 0) {
1074 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READLINK call for %s", data
->path
);
1075 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1076 free_nfs_cb_data(data
);
1080 if (slash
!= NULL
) {
1086 if (slash
!= NULL
) {
1087 /* Clear slash so that path is a zero terminated string for
1088 * the current path component. Set it back to '/' again later
1089 * when we are finished referencing this component so that
1090 * data->saved_path will still point to the full
1094 data
->path
= slash
+1;
1096 while (*data
->path
!= 0) {
1102 data
->fh
.data
.data_len
= fh
->data
.data_len
;
1103 data
->fh
.data
.data_val
= malloc(data
->fh
.data
.data_len
);
1104 if (data
->fh
.data
.data_val
== NULL
) {
1105 rpc_set_error(nfs
->rpc
, "Out of memory: Failed to allocate fh for %s", data
->path
);
1106 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1107 free_nfs_cb_data(data
);
1110 memcpy(data
->fh
.data
.data_val
, fh
->data
.data_val
, data
->fh
.data
.data_len
);
1111 if (slash
!= NULL
) {
1114 data
->continue_cb(nfs
, attr
, data
);
1118 memset(&args
, 0, sizeof(LOOKUP3args
));
1119 args
.what
.dir
= *fh
;
1120 args
.what
.name
= path
;
1122 if (rpc_nfs3_lookup_async(nfs
->rpc
, nfs_lookup_path_1_cb
, &args
, data
) != 0) {
1123 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send lookup call for %s", data
->path
);
1124 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1125 free_nfs_cb_data(data
);
1128 if (slash
!= NULL
) {
1134 static int nfs_normalize_path(struct nfs_context
*nfs
, char *path
)
1140 while ((str
= strstr(path
, "//"))) {
1148 while ((str
= strstr(path
, "/./"))) {
1155 /* ^/../ -> error */
1156 if (!strncmp(path
, "/../", 4)) {
1157 rpc_set_error(nfs
->rpc
,
1158 "Absolute path starts with '/../' "
1159 "during normalization");
1163 /* ^[^/] -> error */
1164 if (path
[0] != '/') {
1165 rpc_set_error(nfs
->rpc
,
1166 "Absolute path does not start with '/'");
1170 /* /string/../ -> / */
1171 while ((str
= strstr(path
, "/../"))) {
1174 if (!strncmp(path
, "/../", 4)) {
1175 rpc_set_error(nfs
->rpc
,
1176 "Absolute path starts with '/../' "
1177 "during normalization");
1182 while (*tmp
!= '/') {
1186 while((*(tmp
++) = *(str
++)) != '\0')
1193 if (path
[len
- 1] == '/') {
1194 path
[len
- 1] = '\0';
1198 if (path
[0] == '\0') {
1199 rpc_set_error(nfs
->rpc
,
1200 "Absolute path became '' "
1201 "during normalization");
1207 if (!strcmp(&path
[len
- 2], "/.")) {
1208 path
[len
- 2] = '\0';
1213 /* ^/..$ -> error */
1214 if (!strcmp(path
, "/..")) {
1215 rpc_set_error(nfs
->rpc
,
1216 "Absolute path is '/..' "
1217 "during normalization");
1221 /* /string/..$ -> / */
1223 if (!strcmp(&path
[len
- 3], "/..")) {
1224 char *tmp
= &path
[len
- 3];
1225 while (*--tmp
!= '/')
1234 static void nfs_lookup_path_getattr_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
1236 struct nfs_cb_data
*data
= private_data
;
1237 struct nfs_context
*nfs
= data
->nfs
;
1241 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
1243 if (status
== RPC_STATUS_ERROR
) {
1244 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1245 free_nfs_cb_data(data
);
1248 if (status
== RPC_STATUS_CANCEL
) {
1249 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1250 free_nfs_cb_data(data
);
1255 if (res
->status
!= NFS3_OK
) {
1256 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
));
1257 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1258 free_nfs_cb_data(data
);
1262 attr
= &res
->GETATTR3res_u
.resok
.obj_attributes
;
1263 /* This function will always invoke the callback and cleanup
1264 * for failures. So no need to check the return value.
1266 nfs_lookup_path_async_internal(nfs
, attr
, data
, &nfs
->rootfh
);
1269 static int nfs_lookuppath_async(struct nfs_context
*nfs
, const char *path
, int no_follow
, nfs_cb cb
, void *private_data
, continue_func continue_cb
, void *continue_data
, void (*free_continue_data
)(void *), int continue_int
)
1271 struct nfs_cb_data
*data
;
1272 struct GETATTR3args args
;
1274 if (path
[0] == '\0') {
1278 data
= malloc(sizeof(struct nfs_cb_data
));
1280 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate "
1281 "nfs_cb_data structure");
1282 if (free_continue_data
)
1283 free_continue_data(continue_data
);
1286 memset(data
, 0, sizeof(struct nfs_cb_data
));
1289 data
->continue_cb
= continue_cb
;
1290 data
->continue_data
= continue_data
;
1291 data
->free_continue_data
= free_continue_data
;
1292 data
->continue_int
= continue_int
;
1293 data
->private_data
= private_data
;
1294 data
->no_follow
= no_follow
;
1295 if (path
[0] == '/') {
1296 data
->saved_path
= strdup(path
);
1298 data
->saved_path
= malloc(strlen(path
) + strlen(nfs
->cwd
) + 2);
1299 if (data
->saved_path
== NULL
) {
1300 rpc_set_error(nfs
->rpc
, "out of memory: failed to "
1301 "malloc path string");
1302 free_nfs_cb_data(data
);
1305 sprintf(data
->saved_path
, "%s/%s", nfs
->cwd
, path
);
1308 if (data
->saved_path
== NULL
) {
1309 rpc_set_error(nfs
->rpc
, "out of memory: failed to copy path string");
1310 free_nfs_cb_data(data
);
1313 if (nfs_normalize_path(nfs
, data
->saved_path
) != 0) {
1314 free_nfs_cb_data(data
);
1318 data
->path
= data
->saved_path
;
1319 if (data
->path
[0]) {
1320 /* This function will always invoke the callback and cleanup
1321 * for failures. So no need to check the return value.
1323 nfs_lookup_path_async_internal(nfs
, NULL
, data
, &nfs
->rootfh
);
1327 /* We have a request for "", so just perform a GETATTR3 so we can
1328 * return the attributes to the caller.
1330 memset(&args
, 0, sizeof(GETATTR3args
));
1331 args
.object
= nfs
->rootfh
;
1332 if (rpc_nfs3_getattr_async(nfs
->rpc
, nfs_lookup_path_getattr_cb
, &args
, data
) != 0) {
1333 free_nfs_cb_data(data
);
1343 static dev_t
specdata3_to_rdev(struct specdata3
*rdev
)
1346 return makedev(rdev
->specdata1
, rdev
->specdata2
);
1352 static void nfs_stat_1_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
1355 struct nfs_cb_data
*data
= private_data
;
1356 struct nfs_context
*nfs
= data
->nfs
;
1363 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
1365 if (status
== RPC_STATUS_ERROR
) {
1366 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1367 free_nfs_cb_data(data
);
1370 if (status
== RPC_STATUS_CANCEL
) {
1371 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1372 free_nfs_cb_data(data
);
1377 if (res
->status
!= NFS3_OK
) {
1378 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
));
1379 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1380 free_nfs_cb_data(data
);
1384 st
.st_dev
= res
->GETATTR3res_u
.resok
.obj_attributes
.fsid
;
1385 st
.st_ino
= res
->GETATTR3res_u
.resok
.obj_attributes
.fileid
;
1386 st
.st_mode
= res
->GETATTR3res_u
.resok
.obj_attributes
.mode
;
1387 switch (res
->GETATTR3res_u
.resok
.obj_attributes
.type
) {
1389 st
.st_mode
|= S_IFREG
;
1392 st
.st_mode
|= S_IFDIR
;
1395 st
.st_mode
|= S_IFBLK
;
1398 st
.st_mode
|= S_IFCHR
;
1401 st
.st_mode
|= S_IFLNK
;
1404 st
.st_mode
|= S_IFSOCK
;
1407 st
.st_mode
|= S_IFIFO
;
1410 st
.st_nlink
= res
->GETATTR3res_u
.resok
.obj_attributes
.nlink
;
1411 st
.st_uid
= res
->GETATTR3res_u
.resok
.obj_attributes
.uid
;
1412 st
.st_gid
= res
->GETATTR3res_u
.resok
.obj_attributes
.gid
;
1413 st
.st_rdev
= specdata3_to_rdev(&res
->GETATTR3res_u
.resok
.obj_attributes
.rdev
);
1414 st
.st_size
= res
->GETATTR3res_u
.resok
.obj_attributes
.size
;
1416 st
.st_blksize
= NFS_BLKSIZE
;
1417 st
.st_blocks
= (res
->GETATTR3res_u
.resok
.obj_attributes
.used
+ 512 - 1) / 512;
1419 st
.st_atime
= res
->GETATTR3res_u
.resok
.obj_attributes
.atime
.seconds
;
1420 st
.st_mtime
= res
->GETATTR3res_u
.resok
.obj_attributes
.mtime
.seconds
;
1421 st
.st_ctime
= res
->GETATTR3res_u
.resok
.obj_attributes
.ctime
.seconds
;
1422 #ifdef HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC
1423 st
.st_atim
.tv_nsec
= res
->GETATTR3res_u
.resok
.obj_attributes
.atime
.nseconds
;
1424 st
.st_mtim
.tv_nsec
= res
->GETATTR3res_u
.resok
.obj_attributes
.mtime
.nseconds
;
1425 st
.st_ctim
.tv_nsec
= res
->GETATTR3res_u
.resok
.obj_attributes
.ctime
.nseconds
;
1428 data
->cb(0, nfs
, &st
, data
->private_data
);
1429 free_nfs_cb_data(data
);
1432 static int nfs_stat_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
1434 struct GETATTR3args args
;
1436 memset(&args
, 0, sizeof(GETATTR3args
));
1437 args
.object
= data
->fh
;
1439 if (rpc_nfs3_getattr_async(nfs
->rpc
, nfs_stat_1_cb
, &args
, data
) != 0) {
1440 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send STAT GETATTR call for %s", data
->path
);
1441 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1442 free_nfs_cb_data(data
);
1448 int nfs_stat_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
1450 if (nfs_lookuppath_async(nfs
, path
, 0, cb
, private_data
, nfs_stat_continue_internal
, NULL
, NULL
, 0) != 0) {
1451 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
1460 * Async nfs_stat64()
1462 static void nfs_stat64_1_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
1465 struct nfs_cb_data
*data
= private_data
;
1466 struct nfs_context
*nfs
= data
->nfs
;
1467 struct nfs_stat_64 st
;
1469 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
1471 if (status
== RPC_STATUS_ERROR
) {
1472 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1473 free_nfs_cb_data(data
);
1476 if (status
== RPC_STATUS_CANCEL
) {
1477 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1478 free_nfs_cb_data(data
);
1483 if (res
->status
!= NFS3_OK
) {
1484 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
));
1485 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1486 free_nfs_cb_data(data
);
1490 st
.nfs_dev
= res
->GETATTR3res_u
.resok
.obj_attributes
.fsid
;
1491 st
.nfs_ino
= res
->GETATTR3res_u
.resok
.obj_attributes
.fileid
;
1492 st
.nfs_mode
= res
->GETATTR3res_u
.resok
.obj_attributes
.mode
;
1493 switch (res
->GETATTR3res_u
.resok
.obj_attributes
.type
) {
1495 st
.nfs_mode
|= S_IFREG
;
1498 st
.nfs_mode
|= S_IFDIR
;
1501 st
.nfs_mode
|= S_IFBLK
;
1504 st
.nfs_mode
|= S_IFCHR
;
1507 st
.nfs_mode
|= S_IFLNK
;
1510 st
.nfs_mode
|= S_IFSOCK
;
1513 st
.nfs_mode
|= S_IFIFO
;
1516 st
.nfs_nlink
= res
->GETATTR3res_u
.resok
.obj_attributes
.nlink
;
1517 st
.nfs_uid
= res
->GETATTR3res_u
.resok
.obj_attributes
.uid
;
1518 st
.nfs_gid
= res
->GETATTR3res_u
.resok
.obj_attributes
.gid
;
1519 st
.nfs_rdev
= specdata3_to_rdev(&res
->GETATTR3res_u
.resok
.obj_attributes
.rdev
);
1520 st
.nfs_size
= res
->GETATTR3res_u
.resok
.obj_attributes
.size
;
1521 st
.nfs_blksize
= NFS_BLKSIZE
;
1522 st
.nfs_blocks
= (res
->GETATTR3res_u
.resok
.obj_attributes
.used
+ 512 - 1) / 512;
1523 st
.nfs_atime
= res
->GETATTR3res_u
.resok
.obj_attributes
.atime
.seconds
;
1524 st
.nfs_mtime
= res
->GETATTR3res_u
.resok
.obj_attributes
.mtime
.seconds
;
1525 st
.nfs_ctime
= res
->GETATTR3res_u
.resok
.obj_attributes
.ctime
.seconds
;
1526 st
.nfs_atime_nsec
= res
->GETATTR3res_u
.resok
.obj_attributes
.atime
.nseconds
;
1527 st
.nfs_mtime_nsec
= res
->GETATTR3res_u
.resok
.obj_attributes
.mtime
.nseconds
;
1528 st
.nfs_ctime_nsec
= res
->GETATTR3res_u
.resok
.obj_attributes
.ctime
.nseconds
;
1529 st
.nfs_used
= res
->GETATTR3res_u
.resok
.obj_attributes
.used
;
1531 data
->cb(0, nfs
, &st
, data
->private_data
);
1532 free_nfs_cb_data(data
);
1535 static int nfs_stat64_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
1537 struct GETATTR3args args
;
1539 memset(&args
, 0, sizeof(GETATTR3args
));
1540 args
.object
= data
->fh
;
1542 if (rpc_nfs3_getattr_async(nfs
->rpc
, nfs_stat64_1_cb
, &args
, data
) != 0) {
1543 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send STAT GETATTR call for %s", data
->path
);
1544 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1545 free_nfs_cb_data(data
);
1551 int nfs_stat64_async_internal(struct nfs_context
*nfs
, const char *path
, int no_follow
, nfs_cb cb
, void *private_data
)
1553 if (nfs_lookuppath_async(nfs
, path
, no_follow
, cb
, private_data
, nfs_stat64_continue_internal
, NULL
, NULL
, 0) != 0) {
1554 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
1561 int nfs_stat64_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
1563 return nfs_stat64_async_internal(nfs
, path
, 0, cb
, private_data
);
1566 int nfs_lstat64_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
1568 return nfs_stat64_async_internal(nfs
, path
, 1, cb
, private_data
);
1574 static void nfs_open_trunc_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
1576 struct nfs_cb_data
*data
= private_data
;
1577 struct nfs_context
*nfs
= data
->nfs
;
1578 struct nfsfh
*nfsfh
;
1581 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
1583 if (status
== RPC_STATUS_ERROR
) {
1584 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1585 free_nfs_cb_data(data
);
1588 if (status
== RPC_STATUS_CANCEL
) {
1589 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1590 free_nfs_cb_data(data
);
1595 if (res
->status
!= NFS3_OK
) {
1596 rpc_set_error(nfs
->rpc
, "NFS: Setattr failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
1597 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1598 free_nfs_cb_data(data
);
1602 nfsfh
= malloc(sizeof(struct nfsfh
));
1603 if (nfsfh
== NULL
) {
1604 rpc_set_error(nfs
->rpc
, "NFS: Failed to allocate nfsfh structure");
1605 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1606 free_nfs_cb_data(data
);
1609 memset(nfsfh
, 0, sizeof(struct nfsfh
));
1611 if (data
->continue_int
& O_SYNC
) {
1614 if (data
->continue_int
& O_APPEND
) {
1615 nfsfh
->is_append
= 1;
1618 /* steal the filehandle */
1619 nfsfh
->fh
= data
->fh
;
1620 data
->fh
.data
.data_val
= NULL
;
1622 data
->cb(0, nfs
, nfsfh
, data
->private_data
);
1623 free_nfs_cb_data(data
);
1626 static void nfs_open_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
1629 struct nfs_cb_data
*data
= private_data
;
1630 struct nfs_context
*nfs
= data
->nfs
;
1631 struct nfsfh
*nfsfh
;
1632 unsigned int nfsmode
= 0;
1634 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
1636 if (status
== RPC_STATUS_ERROR
) {
1637 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1638 free_nfs_cb_data(data
);
1641 if (status
== RPC_STATUS_CANCEL
) {
1642 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1643 free_nfs_cb_data(data
);
1648 if (res
->status
!= NFS3_OK
) {
1649 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
));
1650 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1651 free_nfs_cb_data(data
);
1655 if (data
->continue_int
& O_WRONLY
) {
1656 nfsmode
|= ACCESS3_MODIFY
;
1658 if (data
->continue_int
& O_RDWR
) {
1659 nfsmode
|= ACCESS3_READ
|ACCESS3_MODIFY
;
1661 if (!(data
->continue_int
& (O_WRONLY
|O_RDWR
))) {
1662 nfsmode
|= ACCESS3_READ
;
1666 if (res
->ACCESS3res_u
.resok
.access
!= nfsmode
) {
1667 rpc_set_error(nfs
->rpc
, "NFS: ACCESS denied. Required access %c%c%c. Allowed access %c%c%c",
1668 nfsmode
&ACCESS3_READ
?'r':'-',
1669 nfsmode
&ACCESS3_MODIFY
?'w':'-',
1670 nfsmode
&ACCESS3_EXECUTE
?'x':'-',
1671 res
->ACCESS3res_u
.resok
.access
&ACCESS3_READ
?'r':'-',
1672 res
->ACCESS3res_u
.resok
.access
&ACCESS3_MODIFY
?'w':'-',
1673 res
->ACCESS3res_u
.resok
.access
&ACCESS3_EXECUTE
?'x':'-');
1674 data
->cb(-EACCES
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1675 free_nfs_cb_data(data
);
1679 /* Try to truncate it if we were requested to */
1680 if ((data
->continue_int
& O_TRUNC
) &&
1681 (data
->continue_int
& (O_RDWR
|O_WRONLY
))) {
1684 memset(&args
, 0, sizeof(SETATTR3args
));
1685 args
.object
= data
->fh
;
1686 args
.new_attributes
.size
.set_it
= 1;
1687 args
.new_attributes
.size
.set_size3_u
.size
= 0;
1689 if (rpc_nfs3_setattr_async(nfs
->rpc
, nfs_open_trunc_cb
, &args
,
1691 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send "
1692 "SETATTR call for %s", data
->path
);
1693 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
),
1694 data
->private_data
);
1695 free_nfs_cb_data(data
);
1701 nfsfh
= malloc(sizeof(struct nfsfh
));
1702 if (nfsfh
== NULL
) {
1703 rpc_set_error(nfs
->rpc
, "NFS: Failed to allocate nfsfh structure");
1704 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1705 free_nfs_cb_data(data
);
1708 memset(nfsfh
, 0, sizeof(struct nfsfh
));
1710 if (data
->continue_int
& O_SYNC
) {
1713 if (data
->continue_int
& O_APPEND
) {
1714 nfsfh
->is_append
= 1;
1717 /* steal the filehandle */
1718 nfsfh
->fh
= data
->fh
;
1719 data
->fh
.data
.data_val
= NULL
;
1721 data
->cb(0, nfs
, nfsfh
, data
->private_data
);
1722 free_nfs_cb_data(data
);
1725 static int nfs_open_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
1730 if (data
->continue_int
& O_WRONLY
) {
1731 nfsmode
|= ACCESS3_MODIFY
;
1733 if (data
->continue_int
& O_RDWR
) {
1734 nfsmode
|= ACCESS3_READ
|ACCESS3_MODIFY
;
1736 if (!(data
->continue_int
& (O_WRONLY
|O_RDWR
))) {
1737 nfsmode
|= ACCESS3_READ
;
1740 memset(&args
, 0, sizeof(ACCESS3args
));
1741 args
.object
= data
->fh
;
1742 args
.access
= nfsmode
;
1744 if (rpc_nfs3_access_async(nfs
->rpc
, nfs_open_cb
, &args
, data
) != 0) {
1745 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send OPEN ACCESS "
1746 "call for %s", data
->path
);
1747 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
),
1748 data
->private_data
);
1749 free_nfs_cb_data(data
);
1755 int nfs_open_async(struct nfs_context
*nfs
, const char *path
, int flags
, nfs_cb cb
, void *private_data
)
1757 if (nfs_lookuppath_async(nfs
, path
, 0, cb
, private_data
, nfs_open_continue_internal
, NULL
, NULL
, flags
) != 0) {
1758 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
1769 static int nfs_chdir_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
1771 /* steal saved_path */
1773 nfs
->cwd
= data
->saved_path
;
1774 data
->saved_path
= NULL
;
1776 data
->cb(0, nfs
, NULL
, data
->private_data
);
1777 free_nfs_cb_data(data
);
1782 int nfs_chdir_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
1784 if (nfs_lookuppath_async(nfs
, path
, 0, cb
, private_data
, nfs_chdir_continue_internal
, NULL
, NULL
, 0) != 0) {
1785 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
1796 static void nfs_fill_READ3args(READ3args
*args
, struct nfsfh
*fh
, uint64_t offset
, uint64_t count
)
1798 memset(args
, 0, sizeof(READ3args
));
1799 args
->file
= fh
->fh
;
1800 args
->offset
= offset
;
1801 args
->count
= count
;
1804 static void nfs_pread_mcb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
1806 struct nfs_mcb_data
*mdata
= private_data
;
1807 struct nfs_cb_data
*data
= mdata
->data
;
1808 struct nfs_context
*nfs
= data
->nfs
;
1811 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
1815 if (status
== RPC_STATUS_ERROR
) {
1816 /* flag the failure but do not invoke callback until we have received all responses */
1819 if (status
== RPC_STATUS_CANCEL
) {
1820 /* flag the cancellation but do not invoke callback until we have received all responses */
1824 if (status
== RPC_STATUS_SUCCESS
) {
1826 if (res
->status
!= NFS3_OK
) {
1827 rpc_set_error(nfs
->rpc
, "NFS: Read failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
1830 uint64_t count
= res
->READ3res_u
.resok
.count
;
1832 if (mdata
->update_pos
)
1833 data
->nfsfh
->offset
+= count
;
1835 /* if we have more than one call or we have received a short read we need a reassembly buffer */
1836 if (data
->num_calls
|| (count
< mdata
->count
&& !res
->READ3res_u
.resok
.eof
)) {
1837 if (data
->buffer
== NULL
) {
1838 data
->buffer
= malloc(data
->count
);
1839 if (data
->buffer
== NULL
) {
1840 rpc_set_error(nfs
->rpc
, "Out-Of-Memory: Failed to allocate reassembly buffer for %d bytes", (int)data
->count
);
1846 if (count
<= mdata
->count
) {
1847 /* copy data into reassembly buffer if we have one */
1848 if (data
->buffer
!= NULL
) {
1849 memcpy(&data
->buffer
[mdata
->offset
- data
->offset
], res
->READ3res_u
.resok
.data
.data_val
, count
);
1851 if (data
->max_offset
< mdata
->offset
+ count
) {
1852 data
->max_offset
= mdata
->offset
+ count
;
1855 rpc_set_error(nfs
->rpc
, "NFS: Read overflow. Server has sent more data than requested!");
1859 /* check if we have received a short read */
1860 if (count
< mdata
->count
&& !res
->READ3res_u
.resok
.eof
) {
1862 rpc_set_error(nfs
->rpc
, "NFS: Read failed. No bytes read and not at EOF!");
1865 /* reissue reminder of this read request */
1867 mdata
->offset
+= count
;
1868 mdata
->count
-= count
;
1869 nfs_fill_READ3args(&args
, data
->nfsfh
, mdata
->offset
, mdata
->count
);
1870 if (rpc_nfs3_read_async(nfs
->rpc
, nfs_pread_mcb
, &args
, mdata
) == 0) {
1874 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READ call for %s", data
->path
);
1884 if (data
->num_calls
> 0) {
1885 /* still waiting for more replies */
1888 if (data
->oom
!= 0) {
1889 data
->cb(-ENOMEM
, nfs
, command_data
, data
->private_data
);
1890 free_nfs_cb_data(data
);
1893 if (data
->error
!= 0) {
1894 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1895 free_nfs_cb_data(data
);
1898 if (data
->cancel
!= 0) {
1899 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1900 free_nfs_cb_data(data
);
1905 if (data
->max_offset
> data
->org_offset
+ data
->org_count
) {
1906 data
->max_offset
= data
->org_offset
+ data
->org_count
;
1908 data
->cb(data
->max_offset
- data
->org_offset
, nfs
, data
->buffer
+ (data
->org_offset
- data
->offset
), data
->private_data
);
1910 data
->cb(res
->READ3res_u
.resok
.count
, nfs
, res
->READ3res_u
.resok
.data
.data_val
, data
->private_data
);
1913 data
->nfsfh
->ra
.fh_offset
= data
->max_offset
;
1914 if (data
->nfsfh
->ra
.cur_ra
) {
1915 free(data
->nfsfh
->ra
.buf
);
1916 data
->nfsfh
->ra
.buf
= data
->buffer
;
1917 data
->nfsfh
->ra
.buf_offset
= data
->offset
;
1918 data
->nfsfh
->ra
.buf_count
= data
->count
;
1919 data
->nfsfh
->ra
.buf_ts
= time(NULL
);
1920 data
->buffer
= NULL
;
1922 free_nfs_cb_data(data
);
1925 static void nfs_ra_invalidate(struct nfsfh
*nfsfh
) {
1926 free(nfsfh
->ra
.buf
);
1927 nfsfh
->ra
.buf
= NULL
;
1928 nfsfh
->ra
.buf_offset
= 0;
1929 nfsfh
->ra
.buf_count
= 0;
1930 nfsfh
->ra
.buf_ts
= time(NULL
);
1931 nfsfh
->ra
.cur_ra
= NFS_BLKSIZE
;
1934 static int nfs_pread_async_internal(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, uint64_t offset
, uint64_t count
, nfs_cb cb
, void *private_data
, int update_pos
)
1936 struct nfs_cb_data
*data
;
1938 data
= malloc(sizeof(struct nfs_cb_data
));
1940 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_cb_data structure");
1943 memset(data
, 0, sizeof(struct nfs_cb_data
));
1946 data
->private_data
= private_data
;
1947 data
->nfsfh
= nfsfh
;
1948 data
->org_offset
= offset
;
1949 data
->org_count
= count
;
1951 assert(data
->num_calls
== 0);
1953 if (nfs
->rpc
->readahead
&& time(NULL
) - nfsfh
->ra
.buf_ts
> NFS_RA_TIMEOUT
) {
1954 /* readahead cache timeout */
1955 nfs_ra_invalidate(nfsfh
);
1958 if (nfs
->rpc
->readahead
) {
1959 if (offset
>= nfsfh
->ra
.last_offset
&&
1960 offset
- NFS_BLKSIZE
<= nfsfh
->ra
.fh_offset
+ nfsfh
->ra
.cur_ra
) {
1961 if (nfs
->rpc
->readahead
> nfsfh
->ra
.cur_ra
) {
1962 nfsfh
->ra
.cur_ra
<<= 1;
1965 nfsfh
->ra
.cur_ra
= NFS_BLKSIZE
;
1968 nfsfh
->ra
.last_offset
= offset
;
1970 if (nfsfh
->ra
.buf_offset
<= offset
&&
1971 nfsfh
->ra
.buf_offset
+ nfsfh
->ra
.buf_count
>= offset
+ count
) {
1972 /* serve request completely from cache */
1973 data
->buffer
= malloc(count
);
1974 if (data
->buffer
== NULL
) {
1975 free_nfs_cb_data(data
);
1978 memcpy(data
->buffer
, nfsfh
->ra
.buf
+ (offset
- nfsfh
->ra
.buf_offset
), count
);
1979 data
->cb(count
, nfs
, data
->buffer
, data
->private_data
);
1980 nfsfh
->ra
.fh_offset
= offset
+ count
;
1981 free_nfs_cb_data(data
);
1985 /* align start offset to blocksize */
1986 count
+= offset
& (NFS_BLKSIZE
- 1);
1987 offset
&= ~(NFS_BLKSIZE
- 1);
1989 /* align end offset to blocksize and add readahead */
1990 count
+= nfsfh
->ra
.cur_ra
- 1;
1991 count
&= ~(NFS_BLKSIZE
- 1);
1993 data
->buffer
= malloc(count
);
1994 if (data
->buffer
== NULL
) {
1995 free_nfs_cb_data(data
);
1998 data
->offset
= offset
;
1999 data
->count
= count
;
2001 if (nfsfh
->ra
.buf_count
&& nfsfh
->ra
.buf_offset
<= offset
&&
2002 nfsfh
->ra
.buf_offset
+ nfsfh
->ra
.buf_count
>= offset
) {
2003 /* serve request partially from cache */
2004 size_t overlap
= (nfsfh
->ra
.buf_offset
+ nfsfh
->ra
.buf_count
) - offset
;
2005 if (overlap
> count
) count
= overlap
;
2006 memcpy(data
->buffer
, nfsfh
->ra
.buf
+ (offset
- nfsfh
->ra
.buf_offset
), overlap
);
2011 data
->offset
= offset
;
2012 data
->count
= count
;
2015 data
->max_offset
= offset
;
2017 /* chop requests into chunks of at most READMAX bytes if necessary.
2018 * we send all reads in parallel so that performance is still good.
2021 uint64_t readcount
= count
;
2022 struct nfs_mcb_data
*mdata
;
2025 if (readcount
> nfs_get_readmax(nfs
)) {
2026 readcount
= nfs_get_readmax(nfs
);
2029 mdata
= malloc(sizeof(struct nfs_mcb_data
));
2030 if (mdata
== NULL
) {
2031 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_mcb_data structure");
2032 if (data
->num_calls
== 0) {
2033 free_nfs_cb_data(data
);
2039 memset(mdata
, 0, sizeof(struct nfs_mcb_data
));
2041 mdata
->offset
= offset
;
2042 mdata
->count
= readcount
;
2043 mdata
->update_pos
= update_pos
;
2045 nfs_fill_READ3args(&args
, nfsfh
, offset
, readcount
);
2047 if (rpc_nfs3_read_async(nfs
->rpc
, nfs_pread_mcb
, &args
, mdata
) != 0) {
2048 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READ call for %s", data
->path
);
2050 if (data
->num_calls
== 0) {
2051 free_nfs_cb_data(data
);
2059 offset
+= readcount
;
2061 } while (count
> 0);
2066 int nfs_pread_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, uint64_t offset
, uint64_t count
, nfs_cb cb
, void *private_data
)
2068 return nfs_pread_async_internal(nfs
, nfsfh
, offset
, count
, cb
, private_data
, 0);
2074 int nfs_read_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, uint64_t count
, nfs_cb cb
, void *private_data
)
2076 return nfs_pread_async_internal(nfs
, nfsfh
, nfsfh
->offset
, count
, cb
, private_data
, 1);
2084 static void nfs_fill_WRITE3args (WRITE3args
*args
, struct nfsfh
*fh
, uint64_t offset
, uint64_t count
,
2087 memset(args
, 0, sizeof(WRITE3args
));
2088 args
->file
= fh
->fh
;
2089 args
->offset
= offset
;
2090 args
->count
= count
;
2091 args
->stable
= fh
->is_sync
? FILE_SYNC
: UNSTABLE
;
2092 args
->data
.data_len
= count
;
2093 args
->data
.data_val
= buf
;
2096 static void nfs_pwrite_mcb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2098 struct nfs_mcb_data
*mdata
= private_data
;
2099 struct nfs_cb_data
*data
= mdata
->data
;
2100 struct nfs_context
*nfs
= data
->nfs
;
2103 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
2107 if (status
== RPC_STATUS_ERROR
) {
2108 /* flag the failure but do not invoke callback until we have received all responses */
2111 if (status
== RPC_STATUS_CANCEL
) {
2112 /* flag the cancellation but do not invoke callback until we have received all responses */
2116 if (status
== RPC_STATUS_SUCCESS
) {
2118 if (res
->status
!= NFS3_OK
) {
2119 rpc_set_error(nfs
->rpc
, "NFS: Write failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
2122 uint64_t count
= res
->WRITE3res_u
.resok
.count
;
2124 if (mdata
->update_pos
)
2125 data
->nfsfh
->offset
+= count
;
2127 if (count
< mdata
->count
) {
2129 rpc_set_error(nfs
->rpc
, "NFS: Write failed. No bytes written!");
2132 /* reissue reminder of this write request */
2134 mdata
->offset
+= count
;
2135 mdata
->count
-= count
;
2137 nfs_fill_WRITE3args(&args
, data
->nfsfh
, mdata
->offset
, mdata
->count
,
2138 &data
->usrbuf
[mdata
->offset
- data
->offset
]);
2139 if (rpc_nfs3_write_async(nfs
->rpc
, nfs_pwrite_mcb
, &args
, mdata
) == 0) {
2143 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send WRITE call for %s", data
->path
);
2149 if (data
->max_offset
< mdata
->offset
+ count
) {
2150 data
->max_offset
= mdata
->offset
+ count
;
2158 if (data
->num_calls
> 0) {
2159 /* still waiting for more replies */
2162 if (data
->oom
!= 0) {
2163 data
->cb(-ENOMEM
, nfs
, command_data
, data
->private_data
);
2164 free_nfs_cb_data(data
);
2167 if (data
->error
!= 0) {
2168 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2169 free_nfs_cb_data(data
);
2172 if (data
->cancel
!= 0) {
2173 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2174 free_nfs_cb_data(data
);
2178 data
->cb(data
->max_offset
- data
->offset
, nfs
, NULL
, data
->private_data
);
2180 free_nfs_cb_data(data
);
2184 static int nfs_pwrite_async_internal(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, uint64_t offset
, uint64_t count
, char *buf
, nfs_cb cb
, void *private_data
, int update_pos
)
2186 struct nfs_cb_data
*data
;
2188 data
= malloc(sizeof(struct nfs_cb_data
));
2190 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_cb_data structure");
2193 memset(data
, 0, sizeof(struct nfs_cb_data
));
2196 data
->private_data
= private_data
;
2197 data
->nfsfh
= nfsfh
;
2200 /* hello, clang-analyzer */
2201 assert(data
->num_calls
== 0);
2203 /* chop requests into chunks of at most WRITEMAX bytes if necessary.
2204 * we send all writes in parallel so that performance is still good.
2206 data
->max_offset
= offset
;
2207 data
->offset
= offset
;
2210 uint64_t writecount
= count
;
2211 struct nfs_mcb_data
*mdata
;
2214 if (writecount
> nfs_get_writemax(nfs
)) {
2215 writecount
= nfs_get_writemax(nfs
);
2218 mdata
= malloc(sizeof(struct nfs_mcb_data
));
2219 if (mdata
== NULL
) {
2220 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_mcb_data structure");
2221 if (data
->num_calls
== 0) {
2222 free_nfs_cb_data(data
);
2228 memset(mdata
, 0, sizeof(struct nfs_mcb_data
));
2230 mdata
->offset
= offset
;
2231 mdata
->count
= writecount
;
2232 mdata
->update_pos
= update_pos
;
2234 nfs_fill_WRITE3args(&args
, nfsfh
, offset
, writecount
, &buf
[offset
- data
->offset
]);
2236 if (rpc_nfs3_write_async(nfs
->rpc
, nfs_pwrite_mcb
, &args
, mdata
) != 0) {
2237 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send WRITE call for %s", data
->path
);
2239 if (data
->num_calls
== 0) {
2240 free_nfs_cb_data(data
);
2247 count
-= writecount
;
2248 offset
+= writecount
;
2250 } while (count
> 0);
2255 int nfs_pwrite_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, uint64_t offset
, uint64_t count
, char *buf
, nfs_cb cb
, void *private_data
)
2257 return nfs_pwrite_async_internal(nfs
, nfsfh
, offset
, count
, buf
, cb
, private_data
, 0);
2263 static void nfs_write_append_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2265 struct nfs_cb_data
*data
= private_data
;
2266 struct nfs_context
*nfs
= data
->nfs
;
2269 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
2271 if (status
== RPC_STATUS_ERROR
) {
2272 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2273 free_nfs_cb_data(data
);
2276 if (status
== RPC_STATUS_CANCEL
) {
2277 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2278 free_nfs_cb_data(data
);
2283 if (res
->status
!= NFS3_OK
) {
2284 rpc_set_error(nfs
->rpc
, "NFS: GETATTR failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
2285 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2286 free_nfs_cb_data(data
);
2290 if (nfs_pwrite_async_internal(nfs
, data
->nfsfh
, res
->GETATTR3res_u
.resok
.obj_attributes
.size
, data
->count
, data
->usrbuf
, data
->cb
, data
->private_data
, 1) != 0) {
2291 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2292 free_nfs_cb_data(data
);
2295 free_nfs_cb_data(data
);
2298 int nfs_write_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, uint64_t count
, char *buf
, nfs_cb cb
, void *private_data
)
2300 nfs_ra_invalidate(nfsfh
);
2301 if (nfsfh
->is_append
) {
2302 struct GETATTR3args args
;
2303 struct nfs_cb_data
*data
;
2305 data
= malloc(sizeof(struct nfs_cb_data
));
2307 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_cb_data structure");
2310 memset(data
, 0, sizeof(struct nfs_cb_data
));
2313 data
->private_data
= private_data
;
2314 data
->nfsfh
= nfsfh
;
2316 data
->count
= count
;
2318 memset(&args
, 0, sizeof(GETATTR3args
));
2319 args
.object
= nfsfh
->fh
;
2321 if (rpc_nfs3_getattr_async(nfs
->rpc
, nfs_write_append_cb
, &args
, data
) != 0) {
2322 rpc_set_error(nfs
->rpc
, "out of memory: failed to send GETATTR");
2323 free_nfs_cb_data(data
);
2328 return nfs_pwrite_async_internal(nfs
, nfsfh
, nfsfh
->offset
, count
, buf
, cb
, private_data
, 1);
2338 int nfs_close_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, nfs_cb cb
, void *private_data
)
2341 cb(0, nfs
, NULL
, private_data
);
2352 int nfs_fstat_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, nfs_cb cb
, void *private_data
)
2354 struct nfs_cb_data
*data
;
2355 struct GETATTR3args args
;
2357 data
= malloc(sizeof(struct nfs_cb_data
));
2359 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_cb_data structure");
2362 memset(data
, 0, sizeof(struct nfs_cb_data
));
2365 data
->private_data
= private_data
;
2367 memset(&args
, 0, sizeof(GETATTR3args
));
2368 args
.object
= nfsfh
->fh
;
2370 if (rpc_nfs3_getattr_async(nfs
->rpc
, nfs_stat_1_cb
, &args
, data
) != 0) {
2371 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send STAT GETATTR call for %s", data
->path
);
2372 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2373 free_nfs_cb_data(data
);
2382 int nfs_fstat64_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, nfs_cb cb
, void *private_data
)
2384 struct nfs_cb_data
*data
;
2385 struct GETATTR3args args
;
2387 data
= malloc(sizeof(struct nfs_cb_data
));
2389 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_cb_data structure");
2392 memset(data
, 0, sizeof(struct nfs_cb_data
));
2395 data
->private_data
= private_data
;
2397 memset(&args
, 0, sizeof(GETATTR3args
));
2398 args
.object
= nfsfh
->fh
;
2400 if (rpc_nfs3_getattr_async(nfs
->rpc
, nfs_stat64_1_cb
, &args
, data
) != 0) {
2401 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send STAT GETATTR call for %s", data
->path
);
2402 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2403 free_nfs_cb_data(data
);
2414 static void nfs_fsync_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2416 struct nfs_cb_data
*data
= private_data
;
2417 struct nfs_context
*nfs
= data
->nfs
;
2420 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
2422 if (status
== RPC_STATUS_ERROR
) {
2423 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2424 free_nfs_cb_data(data
);
2427 if (status
== RPC_STATUS_CANCEL
) {
2428 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2429 free_nfs_cb_data(data
);
2434 if (res
->status
!= NFS3_OK
) {
2435 rpc_set_error(nfs
->rpc
, "NFS: Commit failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
2436 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2437 free_nfs_cb_data(data
);
2441 data
->cb(0, nfs
, NULL
, data
->private_data
);
2442 free_nfs_cb_data(data
);
2445 int nfs_fsync_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, nfs_cb cb
, void *private_data
)
2447 struct nfs_cb_data
*data
;
2448 struct COMMIT3args args
;
2450 data
= malloc(sizeof(struct nfs_cb_data
));
2452 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_cb_data structure");
2455 memset(data
, 0, sizeof(struct nfs_cb_data
));
2458 data
->private_data
= private_data
;
2460 args
.file
= nfsfh
->fh
;
2463 if (rpc_nfs3_commit_async(nfs
->rpc
, nfs_fsync_cb
, &args
, data
) != 0) {
2464 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send COMMIT call for %s", data
->path
);
2465 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2466 free_nfs_cb_data(data
);
2478 static void nfs_ftruncate_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2480 struct nfs_cb_data
*data
= private_data
;
2481 struct nfs_context
*nfs
= data
->nfs
;
2484 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
2486 if (status
== RPC_STATUS_ERROR
) {
2487 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2488 free_nfs_cb_data(data
);
2491 if (status
== RPC_STATUS_CANCEL
) {
2492 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2493 free_nfs_cb_data(data
);
2498 if (res
->status
!= NFS3_OK
) {
2499 rpc_set_error(nfs
->rpc
, "NFS: Setattr failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
2500 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2501 free_nfs_cb_data(data
);
2505 data
->cb(0, nfs
, NULL
, data
->private_data
);
2506 free_nfs_cb_data(data
);
2509 int nfs_ftruncate_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, uint64_t length
, nfs_cb cb
, void *private_data
)
2511 struct nfs_cb_data
*data
;
2514 data
= malloc(sizeof(struct nfs_cb_data
));
2516 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_cb_data structure");
2519 memset(data
, 0, sizeof(struct nfs_cb_data
));
2522 data
->private_data
= private_data
;
2524 memset(&args
, 0, sizeof(SETATTR3args
));
2525 args
.object
= nfsfh
->fh
;
2526 args
.new_attributes
.size
.set_it
= 1;
2527 args
.new_attributes
.size
.set_size3_u
.size
= length
;
2529 if (rpc_nfs3_setattr_async(nfs
->rpc
, nfs_ftruncate_cb
, &args
, data
) != 0) {
2530 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SETATTR call for %s", data
->path
);
2531 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2532 free_nfs_cb_data(data
);
2542 static int nfs_truncate_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
2544 uint64_t offset
= data
->continue_int
;
2547 nfsfh
.fh
= data
->fh
;
2549 if (nfs_ftruncate_async(nfs
, &nfsfh
, offset
, data
->cb
, data
->private_data
) != 0) {
2550 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SETATTR call for %s", data
->path
);
2551 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2552 free_nfs_cb_data(data
);
2555 free_nfs_cb_data(data
);
2559 int nfs_truncate_async(struct nfs_context
*nfs
, const char *path
, uint64_t length
, nfs_cb cb
, void *private_data
)
2565 if (nfs_lookuppath_async(nfs
, path
, 0, cb
, private_data
, nfs_truncate_continue_internal
, NULL
, NULL
, offset
) != 0) {
2566 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
2579 static void nfs_mkdir_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2582 struct nfs_cb_data
*data
= private_data
;
2583 struct nfs_context
*nfs
= data
->nfs
;
2584 char *str
= data
->continue_data
;
2586 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
2588 str
= &str
[strlen(str
) + 1];
2590 if (status
== RPC_STATUS_ERROR
) {
2591 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2592 free_nfs_cb_data(data
);
2595 if (status
== RPC_STATUS_CANCEL
) {
2596 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2597 free_nfs_cb_data(data
);
2602 if (res
->status
!= NFS3_OK
) {
2603 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
));
2604 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2605 free_nfs_cb_data(data
);
2609 data
->cb(0, nfs
, NULL
, data
->private_data
);
2610 free_nfs_cb_data(data
);
2613 static int nfs_mkdir_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
2615 char *str
= data
->continue_data
;
2618 str
= &str
[strlen(str
) + 1];
2620 memset(&args
, 0, sizeof(MKDIR3args
));
2621 args
.where
.dir
= data
->fh
;
2622 args
.where
.name
= str
;
2623 args
.attributes
.mode
.set_it
= 1;
2624 args
.attributes
.mode
.set_mode3_u
.mode
= 0755;
2626 if (rpc_nfs3_mkdir_async(nfs
->rpc
, nfs_mkdir_cb
, &args
, data
) != 0) {
2627 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send MKDIR call for %s", data
->path
);
2628 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2629 free_nfs_cb_data(data
);
2635 int nfs_mkdir_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
2640 new_path
= strdup(path
);
2641 if (new_path
== NULL
) {
2642 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for path");
2646 ptr
= strrchr(new_path
, '/');
2649 rpc_set_error(nfs
->rpc
, "Invalid path %s", path
);
2654 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
2655 if (nfs_lookuppath_async(nfs
, new_path
, 0, cb
, private_data
, nfs_mkdir_continue_internal
, new_path
, free
, 0) != 0) {
2656 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path component");
2670 static void nfs_rmdir_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2673 struct nfs_cb_data
*data
= private_data
;
2674 struct nfs_context
*nfs
= data
->nfs
;
2675 char *str
= data
->continue_data
;
2677 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
2679 str
= &str
[strlen(str
) + 1];
2681 if (status
== RPC_STATUS_ERROR
) {
2682 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2683 free_nfs_cb_data(data
);
2686 if (status
== RPC_STATUS_CANCEL
) {
2687 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2688 free_nfs_cb_data(data
);
2693 if (res
->status
!= NFS3_OK
) {
2694 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
));
2695 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2696 free_nfs_cb_data(data
);
2700 data
->cb(0, nfs
, NULL
, data
->private_data
);
2701 free_nfs_cb_data(data
);
2704 static int nfs_rmdir_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
2706 char *str
= data
->continue_data
;
2709 str
= &str
[strlen(str
) + 1];
2711 args
.object
.dir
= data
->fh
;
2712 args
.object
.name
= str
;
2713 if (rpc_nfs3_rmdir_async(nfs
->rpc
, nfs_rmdir_cb
, &args
, data
) != 0) {
2714 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send RMDIR call for %s", data
->path
);
2715 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2716 free_nfs_cb_data(data
);
2722 int nfs_rmdir_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
2727 new_path
= strdup(path
);
2728 if (new_path
== NULL
) {
2729 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for path");
2733 ptr
= strrchr(new_path
, '/');
2736 rpc_set_error(nfs
->rpc
, "Invalid path %s", path
);
2741 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
2742 if (nfs_lookuppath_async(nfs
, new_path
, 0, cb
, private_data
, nfs_rmdir_continue_internal
, new_path
, free
, 0) != 0) {
2743 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
2756 struct create_cb_data
{
2762 static void free_create_cb_data(void *ptr
)
2764 struct create_cb_data
*data
= ptr
;
2770 static void nfs_create_trunc_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2772 struct nfs_cb_data
*data
= private_data
;
2773 struct nfs_context
*nfs
= data
->nfs
;
2774 struct nfsfh
*nfsfh
;
2777 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
2779 if (status
== RPC_STATUS_ERROR
) {
2780 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2781 free_nfs_cb_data(data
);
2785 if (status
== RPC_STATUS_CANCEL
) {
2786 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2787 free_nfs_cb_data(data
);
2793 if (res
->status
!= NFS3_OK
) {
2794 rpc_set_error(nfs
->rpc
, "NFS: Setattr failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
2795 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2796 free_nfs_cb_data(data
);
2801 data
->cb(0, nfs
, data
->nfsfh
, data
->private_data
);
2802 free_nfs_cb_data(data
);
2805 static void nfs_create_2_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2808 struct nfs_cb_data
*data
= private_data
;
2809 struct nfs_context
*nfs
= data
->nfs
;
2810 struct nfsfh
*nfsfh
;
2811 struct create_cb_data
*cb_data
= data
->continue_data
;
2812 char *str
= cb_data
->path
;
2814 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
2816 if (status
== RPC_STATUS_ERROR
) {
2817 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2818 free_nfs_cb_data(data
);
2821 if (status
== RPC_STATUS_CANCEL
) {
2822 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2823 free_nfs_cb_data(data
);
2827 str
= &str
[strlen(str
) + 1];
2829 if (res
->status
!= NFS3_OK
) {
2830 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
));
2831 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2836 nfsfh
= malloc(sizeof(struct nfsfh
));
2837 if (nfsfh
== NULL
) {
2838 rpc_set_error(nfs
->rpc
, "NFS: Failed to allocate nfsfh structure");
2839 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2840 free_nfs_cb_data(data
);
2843 memset(nfsfh
, 0, sizeof(struct nfsfh
));
2845 if (cb_data
->flags
& O_SYNC
) {
2848 if (cb_data
->flags
& O_APPEND
) {
2849 nfsfh
->is_append
= 1;
2852 /* copy the filehandle */
2853 nfsfh
->fh
.data
.data_len
= res
->LOOKUP3res_u
.resok
.object
.data
.data_len
;
2854 nfsfh
->fh
.data
.data_val
= malloc(nfsfh
->fh
.data
.data_len
);
2855 if (nfsfh
->fh
.data
.data_val
== NULL
) {
2856 rpc_set_error(nfs
->rpc
, "Out of memory: Failed to allocate fh structure");
2857 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2858 free_nfs_cb_data(data
);
2862 memcpy(nfsfh
->fh
.data
.data_val
, res
->LOOKUP3res_u
.resok
.object
.data
.data_val
, nfsfh
->fh
.data
.data_len
);
2864 /* Try to truncate it if we were requested to */
2865 if (cb_data
->flags
& O_TRUNC
) {
2868 data
->nfsfh
= nfsfh
;
2870 memset(&args
, 0, sizeof(SETATTR3args
));
2871 args
.object
= nfsfh
->fh
;
2872 args
.new_attributes
.size
.set_it
= 1;
2873 args
.new_attributes
.size
.set_size3_u
.size
= 0;
2875 if (rpc_nfs3_setattr_async(nfs
->rpc
, nfs_create_trunc_cb
,
2876 &args
, data
) != 0) {
2877 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send "
2878 "SETATTR call for %s", data
->path
);
2879 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
),
2880 data
->private_data
);
2881 free_nfs_cb_data(data
);
2888 data
->cb(0, nfs
, nfsfh
, data
->private_data
);
2889 free_nfs_cb_data(data
);
2894 static void nfs_create_1_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2897 struct nfs_cb_data
*data
= private_data
;
2898 struct nfs_context
*nfs
= data
->nfs
;
2899 struct create_cb_data
*cb_data
= data
->continue_data
;
2900 char *str
= cb_data
->path
;
2903 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
2905 if (status
== RPC_STATUS_ERROR
) {
2906 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2907 free_nfs_cb_data(data
);
2910 if (status
== RPC_STATUS_CANCEL
) {
2911 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2912 free_nfs_cb_data(data
);
2916 str
= &str
[strlen(str
) + 1];
2918 if (res
->status
!= NFS3_OK
) {
2919 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
));
2920 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2921 free_nfs_cb_data(data
);
2925 memset(&args
, 0, sizeof(LOOKUP3args
));
2926 args
.what
.dir
= data
->fh
;
2927 args
.what
.name
= str
;
2929 if (rpc_nfs3_lookup_async(nfs
->rpc
, nfs_create_2_cb
, &args
, data
) != 0) {
2930 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send lookup call for %s/%s", data
->saved_path
, str
);
2931 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2932 free_nfs_cb_data(data
);
2938 static int nfs_create_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
2940 struct create_cb_data
*cb_data
= data
->continue_data
;
2941 char *str
= cb_data
->path
;
2944 str
= &str
[strlen(str
) + 1];
2946 memset(&args
, 0, sizeof(CREATE3args
));
2947 args
.where
.dir
= data
->fh
;
2948 args
.where
.name
= str
;
2949 args
.how
.mode
= (cb_data
->flags
& O_EXCL
) ? GUARDED
: UNCHECKED
;
2950 args
.how
.createhow3_u
.obj_attributes
.mode
.set_it
= 1;
2951 args
.how
.createhow3_u
.obj_attributes
.mode
.set_mode3_u
.mode
= cb_data
->mode
;
2953 if (rpc_nfs3_create_async(nfs
->rpc
, nfs_create_1_cb
, &args
, data
) != 0) {
2954 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send CREATE call for %s/%s", data
->path
, str
);
2955 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2956 free_nfs_cb_data(data
);
2962 int nfs_create_async(struct nfs_context
*nfs
, const char *path
, int flags
, int mode
, nfs_cb cb
, void *private_data
)
2964 struct create_cb_data
*cb_data
;
2967 cb_data
= malloc(sizeof(struct create_cb_data
));
2968 if (cb_data
== NULL
) {
2969 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for cb data");
2973 cb_data
->path
= strdup(path
);
2974 if (cb_data
->path
== NULL
) {
2975 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for path");
2980 ptr
= strrchr(cb_data
->path
, '/');
2982 rpc_set_error(nfs
->rpc
, "Invalid path %s", path
);
2983 free_create_cb_data(cb_data
);
2988 cb_data
->flags
= flags
;
2989 cb_data
->mode
= mode
;
2991 /* new_path now points to the parent directory, and beyond the nul terminator is the new directory to create */
2992 if (nfs_lookuppath_async(nfs
, cb_data
->path
, 0, cb
, private_data
, nfs_create_continue_internal
, cb_data
, free_create_cb_data
, 0) != 0) {
2993 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
3000 int nfs_creat_async(struct nfs_context
*nfs
, const char *path
, int mode
, nfs_cb cb
, void *private_data
)
3002 return nfs_create_async(nfs
, path
, 0, mode
, cb
, private_data
);
3011 static void nfs_unlink_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
3014 struct nfs_cb_data
*data
= private_data
;
3015 struct nfs_context
*nfs
= data
->nfs
;
3016 char *str
= data
->continue_data
;
3018 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
3020 str
= &str
[strlen(str
) + 1];
3022 if (status
== RPC_STATUS_ERROR
) {
3023 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
3024 free_nfs_cb_data(data
);
3027 if (status
== RPC_STATUS_CANCEL
) {
3028 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
3029 free_nfs_cb_data(data
);
3034 if (res
->status
!= NFS3_OK
) {
3035 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
));
3036 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3037 free_nfs_cb_data(data
);
3041 data
->cb(0, nfs
, NULL
, data
->private_data
);
3042 free_nfs_cb_data(data
);
3045 static int nfs_unlink_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
3047 char *str
= data
->continue_data
;
3048 struct REMOVE3args args
;
3050 str
= &str
[strlen(str
) + 1];
3052 args
.object
.dir
= data
->fh
;
3053 args
.object
.name
= str
;
3054 if (rpc_nfs3_remove_async(nfs
->rpc
, nfs_unlink_cb
, &args
, data
) != 0) {
3055 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send REMOVE call for %s", data
->path
);
3056 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3057 free_nfs_cb_data(data
);
3063 int nfs_unlink_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
3068 new_path
= strdup(path
);
3069 if (new_path
== NULL
) {
3070 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for path");
3074 ptr
= strrchr(new_path
, '/');
3077 rpc_set_error(nfs
->rpc
, "Invalid path %s", path
);
3082 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
3083 if (nfs_lookuppath_async(nfs
, new_path
, 0, cb
, private_data
, nfs_unlink_continue_internal
, new_path
, free
, 0) != 0) {
3084 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
3095 struct mknod_cb_data
{
3102 static void free_mknod_cb_data(void *ptr
)
3104 struct mknod_cb_data
*data
= ptr
;
3110 static void nfs_mknod_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
3113 struct nfs_cb_data
*data
= private_data
;
3114 struct nfs_context
*nfs
= data
->nfs
;
3115 char *str
= data
->continue_data
;
3117 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
3119 str
= &str
[strlen(str
) + 1];
3121 if (status
== RPC_STATUS_ERROR
) {
3122 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
3123 free_nfs_cb_data(data
);
3126 if (status
== RPC_STATUS_CANCEL
) {
3127 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
3128 free_nfs_cb_data(data
);
3133 if (res
->status
!= NFS3_OK
) {
3134 rpc_set_error(nfs
->rpc
, "NFS: MKNOD of %s/%s failed with %s(%d)", data
->saved_path
, str
, nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
3135 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3136 free_nfs_cb_data(data
);
3140 data
->cb(0, nfs
, NULL
, data
->private_data
);
3141 free_nfs_cb_data(data
);
3144 static int nfs_mknod_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
3146 struct mknod_cb_data
*cb_data
= data
->continue_data
;
3147 char *str
= cb_data
->path
;
3150 str
= &str
[strlen(str
) + 1];
3152 args
.where
.dir
= data
->fh
;
3153 args
.where
.name
= str
;
3154 switch (cb_data
->mode
& S_IFMT
) {
3156 args
.what
.type
= NF3CHR
;
3157 args
.what
.mknoddata3_u
.chr_device
.dev_attributes
.mode
.set_it
= 1;
3158 args
.what
.mknoddata3_u
.chr_device
.dev_attributes
.mode
.set_mode3_u
.mode
= cb_data
->mode
& (S_IRUSR
|S_IWUSR
|S_IXUSR
|S_IRGRP
|S_IWGRP
|S_IXGRP
|S_IROTH
|S_IWOTH
|S_IXOTH
);
3159 args
.what
.mknoddata3_u
.chr_device
.spec
.specdata1
= cb_data
->major
;
3160 args
.what
.mknoddata3_u
.chr_device
.spec
.specdata2
= cb_data
->minor
;
3163 args
.what
.type
= NF3BLK
;
3164 args
.what
.mknoddata3_u
.blk_device
.dev_attributes
.mode
.set_it
= 1;
3165 args
.what
.mknoddata3_u
.blk_device
.dev_attributes
.mode
.set_mode3_u
.mode
= cb_data
->mode
& (S_IRUSR
|S_IWUSR
|S_IXUSR
|S_IRGRP
|S_IWGRP
|S_IXGRP
|S_IROTH
|S_IWOTH
|S_IXOTH
);
3166 args
.what
.mknoddata3_u
.blk_device
.spec
.specdata1
= cb_data
->major
;
3167 args
.what
.mknoddata3_u
.blk_device
.spec
.specdata2
= cb_data
->minor
;
3169 args
.what
.type
= NF3SOCK
;
3170 args
.what
.mknoddata3_u
.sock_attributes
.mode
.set_it
= 1;
3171 args
.what
.mknoddata3_u
.sock_attributes
.mode
.set_mode3_u
.mode
= cb_data
->mode
& (S_IRUSR
|S_IWUSR
|S_IXUSR
|S_IRGRP
|S_IWGRP
|S_IXGRP
|S_IROTH
|S_IWOTH
|S_IXOTH
);
3174 args
.what
.type
= NF3FIFO
;
3175 args
.what
.mknoddata3_u
.pipe_attributes
.mode
.set_it
= 1;
3176 args
.what
.mknoddata3_u
.pipe_attributes
.mode
.set_mode3_u
.mode
= cb_data
->mode
& (S_IRUSR
|S_IWUSR
|S_IXUSR
|S_IRGRP
|S_IWGRP
|S_IXGRP
|S_IROTH
|S_IWOTH
|S_IXOTH
);
3179 rpc_set_error(nfs
->rpc
, "Invalid file type for NFS3/MKNOD call");
3180 data
->cb(-EINVAL
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3181 free_nfs_cb_data(data
);
3185 if (rpc_nfs3_mknod_async(nfs
->rpc
, nfs_mknod_cb
, &args
, data
) != 0) {
3186 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3187 free_nfs_cb_data(data
);
3193 int nfs_mknod_async(struct nfs_context
*nfs
, const char *path
, int mode
, int dev
, nfs_cb cb
, void *private_data
)
3196 struct mknod_cb_data
*cb_data
;
3198 cb_data
= malloc(sizeof(struct mknod_cb_data
));
3199 if (cb_data
== NULL
) {
3200 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for cb data");
3204 cb_data
->path
= strdup(path
);
3205 if (cb_data
->path
== NULL
) {
3206 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for path");
3211 ptr
= strrchr(cb_data
->path
, '/');
3213 rpc_set_error(nfs
->rpc
, "Invalid path %s", path
);
3214 free_mknod_cb_data(cb_data
);
3219 cb_data
->mode
= mode
;
3220 cb_data
->major
= major(dev
);
3221 cb_data
->minor
= minor(dev
);
3223 /* data->path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
3224 if (nfs_lookuppath_async(nfs
, cb_data
->path
, 0, cb
, private_data
, nfs_mknod_continue_internal
, cb_data
, free_mknod_cb_data
, 0) != 0) {
3225 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
3236 /* ReadDirPlus Emulation Callback data */
3237 struct rdpe_cb_data
{
3240 struct nfs_cb_data
*data
;
3243 /* ReadDirPlus Emulation LOOKUP Callback data */
3244 struct rdpe_lookup_cb_data
{
3245 struct rdpe_cb_data
*rdpe_cb_data
;
3246 struct nfsdirent
*nfsdirent
;
3249 /* Workaround for servers lacking READDIRPLUS, use READDIR instead and a GETATTR-loop */
3250 static void nfs_opendir3_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
3252 LOOKUP3res
*res
= command_data
;
3253 struct rdpe_lookup_cb_data
*rdpe_lookup_cb_data
= private_data
;
3254 struct rdpe_cb_data
*rdpe_cb_data
= rdpe_lookup_cb_data
->rdpe_cb_data
;
3255 struct nfs_cb_data
*data
= rdpe_cb_data
->data
;
3256 struct nfsdir
*nfsdir
= data
->continue_data
;
3257 struct nfs_context
*nfs
= data
->nfs
;
3258 struct nfsdirent
*nfsdirent
= rdpe_lookup_cb_data
->nfsdirent
;
3260 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
3262 free(rdpe_lookup_cb_data
);
3264 rdpe_cb_data
->getattrcount
--;
3266 if (status
== RPC_STATUS_ERROR
) {
3267 rpc_set_error(nfs
->rpc
, "LOOKUP during READDIRPLUS emulation "
3268 "failed with RPC_STATUS_ERROR");
3269 rdpe_cb_data
->status
= RPC_STATUS_ERROR
;
3271 if (status
== RPC_STATUS_CANCEL
) {
3272 rpc_set_error(nfs
->rpc
, "LOOKUP during READDIRPLUS emulation "
3273 "failed with RPC_STATUS_CANCEL");
3274 rdpe_cb_data
->status
= RPC_STATUS_CANCEL
;
3276 if (status
== RPC_STATUS_SUCCESS
&& res
->status
== NFS3_OK
) {
3277 if (res
->LOOKUP3res_u
.resok
.obj_attributes
.attributes_follow
) {
3278 fattr3
*attributes
= &res
->LOOKUP3res_u
.resok
.obj_attributes
.post_op_attr_u
.attributes
;
3280 nfsdirent
->type
= attributes
->type
;
3281 nfsdirent
->mode
= attributes
->mode
;
3282 nfsdirent
->size
= attributes
->size
;
3284 nfsdirent
->atime
.tv_sec
= attributes
->atime
.seconds
;
3285 nfsdirent
->atime
.tv_usec
= attributes
->atime
.nseconds
/1000;
3286 nfsdirent
->atime_nsec
= attributes
->atime
.nseconds
;
3287 nfsdirent
->mtime
.tv_sec
= attributes
->mtime
.seconds
;
3288 nfsdirent
->mtime
.tv_usec
= attributes
->mtime
.nseconds
/1000;
3289 nfsdirent
->mtime_nsec
= attributes
->mtime
.nseconds
;
3290 nfsdirent
->ctime
.tv_sec
= attributes
->ctime
.seconds
;
3291 nfsdirent
->ctime
.tv_usec
= attributes
->ctime
.nseconds
/1000;
3292 nfsdirent
->ctime_nsec
= attributes
->ctime
.nseconds
;
3293 nfsdirent
->uid
= attributes
->uid
;
3294 nfsdirent
->gid
= attributes
->gid
;
3295 nfsdirent
->nlink
= attributes
->nlink
;
3296 nfsdirent
->dev
= attributes
->fsid
;
3297 nfsdirent
->rdev
= specdata3_to_rdev(&attributes
->rdev
);
3298 nfsdirent
->blksize
= NFS_BLKSIZE
;
3299 nfsdirent
->blocks
= (attributes
->used
+ 512 - 1) / 512;
3300 nfsdirent
->used
= attributes
->used
;
3304 if (rdpe_cb_data
->getattrcount
== 0) {
3305 if (rdpe_cb_data
->status
!= RPC_STATUS_SUCCESS
) {
3306 rpc_set_error(nfs
->rpc
, "READDIRPLUS emulation "
3307 "failed: %s", rpc_get_error(rpc
));
3308 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
),
3309 data
->private_data
);
3310 nfs_free_nfsdir(nfsdir
);
3312 data
->cb(0, nfs
, nfsdir
, data
->private_data
);
3316 data
->continue_data
= NULL
;
3317 free_nfs_cb_data(data
);
3321 static void nfs_opendir2_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
3323 READDIR3res
*res
= command_data
;
3324 struct nfs_cb_data
*data
= private_data
;
3325 struct nfs_context
*nfs
= data
->nfs
;
3326 struct nfsdir
*nfsdir
= data
->continue_data
;
3327 struct nfsdirent
*nfsdirent
;
3328 struct entry3
*entry
;
3329 uint64_t cookie
= 0;
3330 struct rdpe_cb_data
*rdpe_cb_data
;
3332 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
3334 if (status
== RPC_STATUS_ERROR
) {
3335 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
3336 nfs_free_nfsdir(nfsdir
);
3337 data
->continue_data
= NULL
;
3338 free_nfs_cb_data(data
);
3342 if (status
== RPC_STATUS_CANCEL
) {
3343 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
3344 nfs_free_nfsdir(nfsdir
);
3345 data
->continue_data
= NULL
;
3346 free_nfs_cb_data(data
);
3350 if (res
->status
!= NFS3_OK
) {
3351 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
));
3352 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3353 nfs_free_nfsdir(nfsdir
);
3354 data
->continue_data
= NULL
;
3355 free_nfs_cb_data(data
);
3359 entry
=res
->READDIR3res_u
.resok
.reply
.entries
;
3360 while (entry
!= NULL
) {
3361 nfsdirent
= malloc(sizeof(struct nfsdirent
));
3362 if (nfsdirent
== NULL
) {
3363 data
->cb(-ENOMEM
, nfs
, "Failed to allocate dirent", data
->private_data
);
3364 nfs_free_nfsdir(nfsdir
);
3365 data
->continue_data
= NULL
;
3366 free_nfs_cb_data(data
);
3369 memset(nfsdirent
, 0, sizeof(struct nfsdirent
));
3370 nfsdirent
->name
= strdup(entry
->name
);
3371 if (nfsdirent
->name
== NULL
) {
3372 data
->cb(-ENOMEM
, nfs
, "Failed to allocate dirent->name", data
->private_data
);
3374 nfs_free_nfsdir(nfsdir
);
3375 data
->continue_data
= NULL
;
3376 free_nfs_cb_data(data
);
3379 nfsdirent
->inode
= entry
->fileid
;
3381 nfsdirent
->next
= nfsdir
->entries
;
3382 nfsdir
->entries
= nfsdirent
;
3384 cookie
= entry
->cookie
;
3385 entry
= entry
->nextentry
;
3388 if (res
->READDIR3res_u
.resok
.reply
.eof
== 0) {
3391 args
.dir
= data
->fh
;
3392 args
.cookie
= cookie
;
3393 memcpy(&args
.cookieverf
, res
->READDIR3res_u
.resok
.cookieverf
, sizeof(cookieverf3
));
3396 if (rpc_nfs3_readdir_async(nfs
->rpc
, nfs_opendir2_cb
, &args
, data
) != 0) {
3397 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READDIR call for %s", data
->path
);
3398 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3399 nfs_free_nfsdir(nfsdir
);
3400 data
->continue_data
= NULL
;
3401 free_nfs_cb_data(data
);
3407 if (res
->READDIR3res_u
.resok
.dir_attributes
.attributes_follow
)
3408 nfsdir
->attr
= res
->READDIR3res_u
.resok
.dir_attributes
.post_op_attr_u
.attributes
;
3410 /* steal the dirhandle */
3411 nfsdir
->current
= nfsdir
->entries
;
3413 if (nfsdir
->entries
) {
3414 rdpe_cb_data
= malloc(sizeof(struct rdpe_cb_data
));
3415 rdpe_cb_data
->getattrcount
= 0;
3416 rdpe_cb_data
->status
= RPC_STATUS_SUCCESS
;
3417 rdpe_cb_data
->data
= data
;
3418 for (nfsdirent
= nfsdir
->entries
; nfsdirent
; nfsdirent
= nfsdirent
->next
) {
3419 struct rdpe_lookup_cb_data
*rdpe_lookup_cb_data
;
3422 rdpe_lookup_cb_data
= malloc(sizeof(struct rdpe_lookup_cb_data
));
3423 rdpe_lookup_cb_data
->rdpe_cb_data
= rdpe_cb_data
;
3424 rdpe_lookup_cb_data
->nfsdirent
= nfsdirent
;
3426 memset(&args
, 0, sizeof(LOOKUP3args
));
3427 args
.what
.dir
= data
->fh
;
3428 args
.what
.name
= nfsdirent
->name
;
3430 if (rpc_nfs3_lookup_async(nfs
->rpc
, nfs_opendir3_cb
, &args
, rdpe_lookup_cb_data
) != 0) {
3431 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READDIR LOOKUP call");
3433 /* if we have already commands in flight, we cant just stop, we have to wait for the
3434 * commands in flight to complete
3436 if (rdpe_cb_data
->getattrcount
> 0) {
3437 nfs_free_nfsdir(nfsdir
);
3438 data
->continue_data
= NULL
;
3439 free_nfs_cb_data(data
);
3440 rdpe_cb_data
->status
= RPC_STATUS_ERROR
;
3441 free(rdpe_lookup_cb_data
);
3445 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3446 nfs_free_nfsdir(nfsdir
);
3447 data
->continue_data
= NULL
;
3448 free_nfs_cb_data(data
);
3449 free(rdpe_lookup_cb_data
);
3453 rdpe_cb_data
->getattrcount
++;
3458 static void nfs_opendir_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
3460 READDIRPLUS3res
*res
= command_data
;
3461 struct nfs_cb_data
*data
= private_data
;
3462 struct nfs_context
*nfs
= data
->nfs
;
3463 struct nfsdir
*nfsdir
= data
->continue_data
;
3464 struct entryplus3
*entry
;
3465 uint64_t cookie
= 0;
3467 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
3469 if (status
== RPC_STATUS_ERROR
|| (status
== RPC_STATUS_SUCCESS
&& res
->status
== NFS3ERR_NOTSUPP
) ){
3472 args
.dir
= data
->fh
;
3473 args
.cookie
= cookie
;
3474 memset(&args
.cookieverf
, 0, sizeof(cookieverf3
));
3477 if (rpc_nfs3_readdir_async(nfs
->rpc
, nfs_opendir2_cb
, &args
, data
) != 0) {
3478 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READDIR call for %s", data
->path
);
3479 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3480 nfs_free_nfsdir(nfsdir
);
3481 data
->continue_data
= NULL
;
3482 free_nfs_cb_data(data
);
3488 if (status
== RPC_STATUS_CANCEL
) {
3489 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
3490 nfs_free_nfsdir(nfsdir
);
3491 data
->continue_data
= NULL
;
3492 free_nfs_cb_data(data
);
3496 if (res
->status
!= NFS3_OK
) {
3497 rpc_set_error(nfs
->rpc
, "NFS: READDIRPLUS of %s failed with %s(%d)", data
->saved_path
, nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
3498 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3499 nfs_free_nfsdir(nfsdir
);
3500 data
->continue_data
= NULL
;
3501 free_nfs_cb_data(data
);
3505 entry
=res
->READDIRPLUS3res_u
.resok
.reply
.entries
;
3506 while (entry
!= NULL
) {
3507 struct nfsdirent
*nfsdirent
;
3509 nfsdirent
= malloc(sizeof(struct nfsdirent
));
3510 if (nfsdirent
== NULL
) {
3511 data
->cb(-ENOMEM
, nfs
, "Failed to allocate dirent", data
->private_data
);
3512 nfs_free_nfsdir(nfsdir
);
3513 data
->continue_data
= NULL
;
3514 free_nfs_cb_data(data
);
3517 memset(nfsdirent
, 0, sizeof(struct nfsdirent
));
3518 nfsdirent
->name
= strdup(entry
->name
);
3519 if (nfsdirent
->name
== NULL
) {
3520 data
->cb(-ENOMEM
, nfs
, "Failed to allocate dirent->name", data
->private_data
);
3522 nfs_free_nfsdir(nfsdir
);
3523 data
->continue_data
= NULL
;
3524 free_nfs_cb_data(data
);
3527 nfsdirent
->inode
= entry
->fileid
;
3528 if (entry
->name_attributes
.attributes_follow
) {
3529 nfsdirent
->type
= entry
->name_attributes
.post_op_attr_u
.attributes
.type
;
3530 nfsdirent
->mode
= entry
->name_attributes
.post_op_attr_u
.attributes
.mode
;
3531 nfsdirent
->size
= entry
->name_attributes
.post_op_attr_u
.attributes
.size
;
3533 nfsdirent
->atime
.tv_sec
= entry
->name_attributes
.post_op_attr_u
.attributes
.atime
.seconds
;
3534 nfsdirent
->atime
.tv_usec
= entry
->name_attributes
.post_op_attr_u
.attributes
.atime
.nseconds
/1000;
3535 nfsdirent
->atime_nsec
= entry
->name_attributes
.post_op_attr_u
.attributes
.atime
.nseconds
;
3536 nfsdirent
->mtime
.tv_sec
= entry
->name_attributes
.post_op_attr_u
.attributes
.mtime
.seconds
;
3537 nfsdirent
->mtime
.tv_usec
= entry
->name_attributes
.post_op_attr_u
.attributes
.mtime
.nseconds
/1000;
3538 nfsdirent
->mtime_nsec
= entry
->name_attributes
.post_op_attr_u
.attributes
.mtime
.nseconds
;
3539 nfsdirent
->ctime
.tv_sec
= entry
->name_attributes
.post_op_attr_u
.attributes
.ctime
.seconds
;
3540 nfsdirent
->ctime
.tv_usec
= entry
->name_attributes
.post_op_attr_u
.attributes
.ctime
.nseconds
/1000;
3541 nfsdirent
->ctime_nsec
= entry
->name_attributes
.post_op_attr_u
.attributes
.ctime
.nseconds
;
3542 nfsdirent
->uid
= entry
->name_attributes
.post_op_attr_u
.attributes
.uid
;
3543 nfsdirent
->gid
= entry
->name_attributes
.post_op_attr_u
.attributes
.gid
;
3544 nfsdirent
->nlink
= entry
->name_attributes
.post_op_attr_u
.attributes
.nlink
;
3545 nfsdirent
->dev
= entry
->name_attributes
.post_op_attr_u
.attributes
.fsid
;
3546 nfsdirent
->rdev
= specdata3_to_rdev(&entry
->name_attributes
.post_op_attr_u
.attributes
.rdev
);
3547 nfsdirent
->blksize
= NFS_BLKSIZE
;
3548 nfsdirent
->blocks
= (entry
->name_attributes
.post_op_attr_u
.attributes
.used
+ 512 - 1) / 512;
3549 nfsdirent
->used
= entry
->name_attributes
.post_op_attr_u
.attributes
.used
;
3552 nfsdirent
->next
= nfsdir
->entries
;
3553 nfsdir
->entries
= nfsdirent
;
3555 cookie
= entry
->cookie
;
3556 entry
= entry
->nextentry
;
3559 if (res
->READDIRPLUS3res_u
.resok
.reply
.eof
== 0) {
3560 READDIRPLUS3args args
;
3562 args
.dir
= data
->fh
;
3563 args
.cookie
= cookie
;
3564 memcpy(&args
.cookieverf
, res
->READDIRPLUS3res_u
.resok
.cookieverf
, sizeof(cookieverf3
));
3565 args
.dircount
= 8192;
3566 args
.maxcount
= 8192;
3568 if (rpc_nfs3_readdirplus_async(nfs
->rpc
, nfs_opendir_cb
, &args
, data
) != 0) {
3569 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READDIRPLUS call for %s", data
->path
);
3570 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3571 nfs_free_nfsdir(nfsdir
);
3572 data
->continue_data
= NULL
;
3573 free_nfs_cb_data(data
);
3579 if (res
->READDIRPLUS3res_u
.resok
.dir_attributes
.attributes_follow
)
3580 nfsdir
->attr
= res
->READDIRPLUS3res_u
.resok
.dir_attributes
.post_op_attr_u
.attributes
;
3582 /* steal the dirhandle */
3583 data
->continue_data
= NULL
;
3584 nfsdir
->current
= nfsdir
->entries
;
3586 data
->cb(0, nfs
, nfsdir
, data
->private_data
);
3587 free_nfs_cb_data(data
);
3590 static int nfs_opendir_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
3592 READDIRPLUS3args args
;
3593 struct nfsdir
*nfsdir
= data
->continue_data
;;
3594 struct nfsdir
*cached
;
3596 cached
= nfs_dircache_find(nfs
, &data
->fh
);
3598 if (attr
&& attr
->mtime
.seconds
== cached
->attr
.mtime
.seconds
) {
3599 cached
->current
= cached
->entries
;
3600 data
->cb(0, nfs
, cached
, data
->private_data
);
3601 free_nfs_cb_data(data
);
3604 /* cache must be stale */
3605 nfs_free_nfsdir(cached
);
3609 nfsdir
->fh
.data
.data_len
= data
->fh
.data
.data_len
;
3610 nfsdir
->fh
.data
.data_val
= malloc(nfsdir
->fh
.data
.data_len
);
3611 if (nfsdir
->fh
.data
.data_val
== NULL
) {
3612 rpc_set_error(nfs
->rpc
, "OOM when allocating fh for nfsdir");
3613 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3614 free_nfs_cb_data(data
);
3617 memcpy(nfsdir
->fh
.data
.data_val
, data
->fh
.data
.data_val
, data
->fh
.data
.data_len
);
3619 args
.dir
= data
->fh
;
3621 memset(&args
.cookieverf
, 0, sizeof(cookieverf3
));
3622 args
.dircount
= 8192;
3623 args
.maxcount
= 8192;
3624 if (rpc_nfs3_readdirplus_async(nfs
->rpc
, nfs_opendir_cb
, &args
, data
) != 0) {
3625 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READDIRPLUS call for %s", data
->path
);
3626 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3627 free_nfs_cb_data(data
);
3633 int nfs_opendir_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
3635 struct nfsdir
*nfsdir
;
3637 nfsdir
= malloc(sizeof(struct nfsdir
));
3638 if (nfsdir
== NULL
) {
3639 rpc_set_error(nfs
->rpc
, "failed to allocate buffer for nfsdir");
3642 memset(nfsdir
, 0, sizeof(struct nfsdir
));
3644 if (nfs_lookuppath_async(nfs
, path
, 0, cb
, private_data
, nfs_opendir_continue_internal
, nfsdir
, free
, 0) != 0) {
3645 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
3653 struct nfsdirent
*nfs_readdir(struct nfs_context
*nfs _U_
, struct nfsdir
*nfsdir
)
3655 struct nfsdirent
*nfsdirent
= nfsdir
->current
;
3657 if (nfsdir
->current
!= NULL
) {
3658 nfsdir
->current
= nfsdir
->current
->next
;
3667 void nfs_closedir(struct nfs_context
*nfs
, struct nfsdir
*nfsdir
)
3669 nfs_dircache_add(nfs
, nfsdir
);
3676 void nfs_getcwd(struct nfs_context
*nfs
, const char **cwd
)
3687 struct lseek_cb_data
{
3688 struct nfs_context
*nfs
;
3689 struct nfsfh
*nfsfh
;
3695 static void nfs_lseek_1_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
3698 struct lseek_cb_data
*data
= private_data
;
3699 struct nfs_context
*nfs
= data
->nfs
;
3702 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
3704 if (status
== RPC_STATUS_ERROR
) {
3705 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
3709 if (status
== RPC_STATUS_CANCEL
) {
3710 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
3716 if (res
->status
!= NFS3_OK
) {
3717 rpc_set_error(nfs
->rpc
, "NFS: GETATTR failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
3718 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3723 size
= res
->GETATTR3res_u
.resok
.obj_attributes
.size
;
3725 if (data
->offset
< 0 &&
3726 (uint64_t)(-data
->offset
) > size
) {
3727 data
->cb(-EINVAL
, nfs
, &data
->nfsfh
->offset
, data
->private_data
);
3729 data
->nfsfh
->offset
= data
->offset
+ size
;
3730 data
->cb(0, nfs
, &data
->nfsfh
->offset
, data
->private_data
);
3736 int nfs_lseek_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, int64_t offset
, int whence
, nfs_cb cb
, void *private_data
)
3738 struct lseek_cb_data
*data
;
3739 struct GETATTR3args args
;
3741 if (whence
== SEEK_SET
) {
3743 cb(-EINVAL
, nfs
, &nfsfh
->offset
, private_data
);
3745 nfsfh
->offset
= offset
;
3746 cb(0, nfs
, &nfsfh
->offset
, private_data
);
3750 if (whence
== SEEK_CUR
) {
3752 nfsfh
->offset
< (uint64_t)(-offset
)) {
3753 cb(-EINVAL
, nfs
, &nfsfh
->offset
, private_data
);
3755 nfsfh
->offset
+= offset
;
3756 cb(0, nfs
, &nfsfh
->offset
, private_data
);
3761 data
= malloc(sizeof(struct lseek_cb_data
));
3763 rpc_set_error(nfs
->rpc
, "Out Of Memory: Failed to malloc lseek cb data");
3768 data
->nfsfh
= nfsfh
;
3769 data
->offset
= offset
;
3771 data
->private_data
= private_data
;
3773 memset(&args
, 0, sizeof(GETATTR3args
));
3774 args
.object
= nfsfh
->fh
;
3776 if (rpc_nfs3_getattr_async(nfs
->rpc
, nfs_lseek_1_cb
, &args
, data
) != 0) {
3777 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send LSEEK GETATTR call");
3790 static void nfs_statvfs_1_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
3793 struct nfs_cb_data
*data
= private_data
;
3794 struct nfs_context
*nfs
= data
->nfs
;
3795 struct statvfs svfs
;
3797 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
3799 if (status
== RPC_STATUS_ERROR
) {
3800 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
3801 free_nfs_cb_data(data
);
3804 if (status
== RPC_STATUS_CANCEL
) {
3805 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
3806 free_nfs_cb_data(data
);
3811 if (res
->status
!= NFS3_OK
) {
3812 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
));
3813 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3814 free_nfs_cb_data(data
);
3818 svfs
.f_bsize
= NFS_BLKSIZE
;
3819 svfs
.f_frsize
= NFS_BLKSIZE
;
3820 svfs
.f_blocks
= res
->FSSTAT3res_u
.resok
.tbytes
/NFS_BLKSIZE
;
3821 svfs
.f_bfree
= res
->FSSTAT3res_u
.resok
.fbytes
/NFS_BLKSIZE
;
3822 svfs
.f_bavail
= res
->FSSTAT3res_u
.resok
.abytes
/NFS_BLKSIZE
;
3823 svfs
.f_files
= res
->FSSTAT3res_u
.resok
.tfiles
;
3824 svfs
.f_ffree
= res
->FSSTAT3res_u
.resok
.ffiles
;
3825 #if !defined(ANDROID)
3826 svfs
.f_favail
= res
->FSSTAT3res_u
.resok
.afiles
;
3829 svfs
.f_namemax
= 256;
3832 data
->cb(0, nfs
, &svfs
, data
->private_data
);
3833 free_nfs_cb_data(data
);
3836 static int nfs_statvfs_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
3840 args
.fsroot
= data
->fh
;
3841 if (rpc_nfs3_fsstat_async(nfs
->rpc
, nfs_statvfs_1_cb
, &args
, data
) != 0) {
3842 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send FSSTAT call for %s", data
->path
);
3843 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3844 free_nfs_cb_data(data
);
3850 int nfs_statvfs_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
3852 if (nfs_lookuppath_async(nfs
, path
, 0, cb
, private_data
, nfs_statvfs_continue_internal
, NULL
, NULL
, 0) != 0) {
3853 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
3866 static void nfs_readlink_1_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
3869 struct nfs_cb_data
*data
= private_data
;
3870 struct nfs_context
*nfs
= data
->nfs
;
3872 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
3874 if (status
== RPC_STATUS_ERROR
) {
3875 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
3876 free_nfs_cb_data(data
);
3879 if (status
== RPC_STATUS_CANCEL
) {
3880 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
3881 free_nfs_cb_data(data
);
3886 if (res
->status
!= NFS3_OK
) {
3887 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
));
3888 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3889 free_nfs_cb_data(data
);
3894 data
->cb(0, nfs
, res
->READLINK3res_u
.resok
.data
, data
->private_data
);
3895 free_nfs_cb_data(data
);
3898 static int nfs_readlink_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
3902 args
.symlink
= data
->fh
;
3904 if (rpc_nfs3_readlink_async(nfs
->rpc
, nfs_readlink_1_cb
, &args
, data
) != 0) {
3905 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READLINK call for %s", data
->path
);
3906 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3907 free_nfs_cb_data(data
);
3913 int nfs_readlink_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
3915 if (nfs_lookuppath_async(nfs
, path
, 1, cb
, private_data
, nfs_readlink_continue_internal
, NULL
, NULL
, 0) != 0) {
3916 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
3929 static void nfs_chmod_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
3931 struct nfs_cb_data
*data
= private_data
;
3932 struct nfs_context
*nfs
= data
->nfs
;
3935 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
3937 if (status
== RPC_STATUS_ERROR
) {
3938 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
3939 free_nfs_cb_data(data
);
3942 if (status
== RPC_STATUS_CANCEL
) {
3943 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
3944 free_nfs_cb_data(data
);
3949 if (res
->status
!= NFS3_OK
) {
3950 rpc_set_error(nfs
->rpc
, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
3951 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3952 free_nfs_cb_data(data
);
3956 data
->cb(0, nfs
, NULL
, data
->private_data
);
3957 free_nfs_cb_data(data
);
3960 static int nfs_chmod_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
3964 memset(&args
, 0, sizeof(SETATTR3args
));
3965 args
.object
= data
->fh
;
3966 args
.new_attributes
.mode
.set_it
= 1;
3967 args
.new_attributes
.mode
.set_mode3_u
.mode
= data
->continue_int
;
3969 if (rpc_nfs3_setattr_async(nfs
->rpc
, nfs_chmod_cb
, &args
, data
) != 0) {
3970 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SETATTR call for %s", data
->path
);
3971 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3972 free_nfs_cb_data(data
);
3979 int nfs_chmod_async(struct nfs_context
*nfs
, const char *path
, int mode
, nfs_cb cb
, void *private_data
)
3981 if (nfs_lookuppath_async(nfs
, path
, 0, cb
, private_data
, nfs_chmod_continue_internal
, NULL
, NULL
, mode
) != 0) {
3982 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
3992 int nfs_fchmod_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, int mode
, nfs_cb cb
, void *private_data
)
3994 struct nfs_cb_data
*data
;
3996 data
= malloc(sizeof(struct nfs_cb_data
));
3998 rpc_set_error(nfs
->rpc
, "out of memory. failed to allocate memory for nfs mount data");
4001 memset(data
, 0, sizeof(struct nfs_cb_data
));
4004 data
->private_data
= private_data
;
4005 data
->continue_int
= mode
;
4006 data
->fh
.data
.data_len
= nfsfh
->fh
.data
.data_len
;
4007 data
->fh
.data
.data_val
= malloc(data
->fh
.data
.data_len
);
4008 if (data
->fh
.data
.data_val
== NULL
) {
4009 rpc_set_error(nfs
->rpc
, "Out of memory: Failed to allocate fh");
4010 free_nfs_cb_data(data
);
4013 memcpy(data
->fh
.data
.data_val
, nfsfh
->fh
.data
.data_val
, data
->fh
.data
.data_len
);
4015 if (nfs_chmod_continue_internal(nfs
, NULL
, data
) != 0) {
4027 static void nfs_chown_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
4029 struct nfs_cb_data
*data
= private_data
;
4030 struct nfs_context
*nfs
= data
->nfs
;
4033 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
4035 if (status
== RPC_STATUS_ERROR
) {
4036 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
4037 free_nfs_cb_data(data
);
4040 if (status
== RPC_STATUS_CANCEL
) {
4041 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
4042 free_nfs_cb_data(data
);
4047 if (res
->status
!= NFS3_OK
) {
4048 rpc_set_error(nfs
->rpc
, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
4049 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4050 free_nfs_cb_data(data
);
4054 data
->cb(0, nfs
, NULL
, data
->private_data
);
4055 free_nfs_cb_data(data
);
4058 struct nfs_chown_data
{
4063 static int nfs_chown_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
4066 struct nfs_chown_data
*chown_data
= data
->continue_data
;
4068 memset(&args
, 0, sizeof(SETATTR3args
));
4069 args
.object
= data
->fh
;
4070 if (chown_data
->uid
!= (uid_t
)-1) {
4071 args
.new_attributes
.uid
.set_it
= 1;
4072 args
.new_attributes
.uid
.set_uid3_u
.uid
= chown_data
->uid
;
4074 if (chown_data
->gid
!= (gid_t
)-1) {
4075 args
.new_attributes
.gid
.set_it
= 1;
4076 args
.new_attributes
.gid
.set_gid3_u
.gid
= chown_data
->gid
;
4079 if (rpc_nfs3_setattr_async(nfs
->rpc
, nfs_chown_cb
, &args
, data
) != 0) {
4080 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SETATTR call for %s", data
->path
);
4081 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4082 free_nfs_cb_data(data
);
4089 int nfs_chown_async_internal(struct nfs_context
*nfs
, const char *path
, int no_follow
, int uid
, int gid
, nfs_cb cb
, void *private_data
)
4091 struct nfs_chown_data
*chown_data
;
4093 chown_data
= malloc(sizeof(struct nfs_chown_data
));
4094 if (chown_data
== NULL
) {
4095 rpc_set_error(nfs
->rpc
, "Failed to allocate memory for chown data structure");
4099 chown_data
->uid
= uid
;
4100 chown_data
->gid
= gid
;
4102 if (nfs_lookuppath_async(nfs
, path
, no_follow
, cb
, private_data
, nfs_chown_continue_internal
, chown_data
, free
, 0) != 0) {
4103 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
4110 int nfs_chown_async(struct nfs_context
*nfs
, const char *path
, int uid
, int gid
, nfs_cb cb
, void *private_data
)
4112 return nfs_chown_async_internal(nfs
, path
, 0, uid
, gid
, cb
, private_data
);
4115 int nfs_lchown_async(struct nfs_context
*nfs
, const char *path
, int uid
, int gid
, nfs_cb cb
, void *private_data
)
4117 return nfs_chown_async_internal(nfs
, path
, 1, uid
, gid
, cb
, private_data
);
4123 int nfs_fchown_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, int uid
, int gid
, nfs_cb cb
, void *private_data
)
4125 struct nfs_cb_data
*data
;
4126 struct nfs_chown_data
*chown_data
;
4128 chown_data
= malloc(sizeof(struct nfs_chown_data
));
4129 if (chown_data
== NULL
) {
4130 rpc_set_error(nfs
->rpc
, "Failed to allocate memory for chown data structure");
4134 chown_data
->uid
= uid
;
4135 chown_data
->gid
= gid
;
4137 data
= malloc(sizeof(struct nfs_cb_data
));
4139 rpc_set_error(nfs
->rpc
, "out of memory. failed to allocate memory for fchown data");
4143 memset(data
, 0, sizeof(struct nfs_cb_data
));
4146 data
->private_data
= private_data
;
4147 data
->continue_data
= chown_data
;
4148 data
->free_continue_data
= free
;
4149 data
->fh
.data
.data_len
= nfsfh
->fh
.data
.data_len
;
4150 data
->fh
.data
.data_val
= malloc(data
->fh
.data
.data_len
);
4151 if (data
->fh
.data
.data_val
== NULL
) {
4152 rpc_set_error(nfs
->rpc
, "Out of memory: Failed to allocate fh");
4153 free_nfs_cb_data(data
);
4156 memcpy(data
->fh
.data
.data_val
, nfsfh
->fh
.data
.data_val
, data
->fh
.data
.data_len
);
4158 if (nfs_chown_continue_internal(nfs
, NULL
, data
) != 0) {
4172 static void nfs_utimes_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
4174 struct nfs_cb_data
*data
= private_data
;
4175 struct nfs_context
*nfs
= data
->nfs
;
4178 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
4180 if (status
== RPC_STATUS_ERROR
) {
4181 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
4182 free_nfs_cb_data(data
);
4185 if (status
== RPC_STATUS_CANCEL
) {
4186 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
4187 free_nfs_cb_data(data
);
4192 if (res
->status
!= NFS3_OK
) {
4193 rpc_set_error(nfs
->rpc
, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
4194 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4195 free_nfs_cb_data(data
);
4199 data
->cb(0, nfs
, NULL
, data
->private_data
);
4200 free_nfs_cb_data(data
);
4203 static int nfs_utimes_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
4206 struct timeval
*utimes_data
= data
->continue_data
;
4208 memset(&args
, 0, sizeof(SETATTR3args
));
4209 args
.object
= data
->fh
;
4210 if (utimes_data
!= NULL
) {
4211 args
.new_attributes
.atime
.set_it
= SET_TO_CLIENT_TIME
;
4212 args
.new_attributes
.atime
.set_atime_u
.atime
.seconds
= utimes_data
[0].tv_sec
;
4213 args
.new_attributes
.atime
.set_atime_u
.atime
.nseconds
= utimes_data
[0].tv_usec
* 1000;
4214 args
.new_attributes
.mtime
.set_it
= SET_TO_CLIENT_TIME
;
4215 args
.new_attributes
.mtime
.set_mtime_u
.mtime
.seconds
= utimes_data
[1].tv_sec
;
4216 args
.new_attributes
.mtime
.set_mtime_u
.mtime
.nseconds
= utimes_data
[1].tv_usec
* 1000;
4218 args
.new_attributes
.atime
.set_it
= SET_TO_SERVER_TIME
;
4219 args
.new_attributes
.mtime
.set_it
= SET_TO_SERVER_TIME
;
4222 if (rpc_nfs3_setattr_async(nfs
->rpc
, nfs_utimes_cb
, &args
, data
) != 0) {
4223 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SETATTR call for %s", data
->path
);
4224 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4225 free_nfs_cb_data(data
);
4231 int nfs_utimes_async_internal(struct nfs_context
*nfs
, const char *path
, int no_follow
, struct timeval
*times
, nfs_cb cb
, void *private_data
)
4233 struct timeval
*new_times
= NULL
;
4235 if (times
!= NULL
) {
4236 new_times
= malloc(sizeof(struct timeval
)*2);
4237 if (new_times
== NULL
) {
4238 rpc_set_error(nfs
->rpc
, "Failed to allocate memory for timeval structure");
4242 memcpy(new_times
, times
, sizeof(struct timeval
)*2);
4245 if (nfs_lookuppath_async(nfs
, path
, no_follow
, cb
, private_data
, nfs_utimes_continue_internal
, new_times
, free
, 0) != 0) {
4246 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
4253 int nfs_utimes_async(struct nfs_context
*nfs
, const char *path
, struct timeval
*times
, nfs_cb cb
, void *private_data
)
4255 return nfs_utimes_async_internal(nfs
, path
, 0, times
, cb
, private_data
);
4258 int nfs_lutimes_async(struct nfs_context
*nfs
, const char *path
, struct timeval
*times
, nfs_cb cb
, void *private_data
)
4260 return nfs_utimes_async_internal(nfs
, path
, 1, times
, cb
, private_data
);
4266 int nfs_utime_async(struct nfs_context
*nfs
, const char *path
, struct utimbuf
*times
, nfs_cb cb
, void *private_data
)
4268 struct timeval
*new_times
= NULL
;
4270 if (times
!= NULL
) {
4271 new_times
= malloc(sizeof(struct timeval
)*2);
4272 if (new_times
== NULL
) {
4273 rpc_set_error(nfs
->rpc
, "Failed to allocate memory for timeval structure");
4277 new_times
[0].tv_sec
= times
->actime
;
4278 new_times
[0].tv_usec
= 0;
4279 new_times
[1].tv_sec
= times
->modtime
;
4280 new_times
[1].tv_usec
= 0;
4283 if (nfs_lookuppath_async(nfs
, path
, 0, cb
, private_data
, nfs_utimes_continue_internal
, new_times
, free
, 0) != 0) {
4284 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
4295 static void nfs_access_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
4298 struct nfs_cb_data
*data
= private_data
;
4299 struct nfs_context
*nfs
= data
->nfs
;
4300 unsigned int nfsmode
= 0;
4302 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
4304 if (status
== RPC_STATUS_ERROR
) {
4305 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
4306 free_nfs_cb_data(data
);
4309 if (status
== RPC_STATUS_CANCEL
) {
4310 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
4311 free_nfs_cb_data(data
);
4316 if (res
->status
!= NFS3_OK
) {
4317 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
));
4318 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4319 free_nfs_cb_data(data
);
4323 if (data
->continue_int
& R_OK
) {
4324 nfsmode
|= ACCESS3_READ
;
4326 if (data
->continue_int
& W_OK
) {
4327 nfsmode
|= ACCESS3_MODIFY
;
4329 if (data
->continue_int
& X_OK
) {
4330 nfsmode
|= ACCESS3_EXECUTE
;
4333 if (res
->ACCESS3res_u
.resok
.access
!= nfsmode
) {
4334 rpc_set_error(nfs
->rpc
, "NFS: ACCESS denied. Required access %c%c%c. Allowed access %c%c%c",
4335 nfsmode
&ACCESS3_READ
?'r':'-',
4336 nfsmode
&ACCESS3_MODIFY
?'w':'-',
4337 nfsmode
&ACCESS3_EXECUTE
?'x':'-',
4338 res
->ACCESS3res_u
.resok
.access
&ACCESS3_READ
?'r':'-',
4339 res
->ACCESS3res_u
.resok
.access
&ACCESS3_MODIFY
?'w':'-',
4340 res
->ACCESS3res_u
.resok
.access
&ACCESS3_EXECUTE
?'x':'-');
4341 data
->cb(-EACCES
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4342 free_nfs_cb_data(data
);
4346 data
->cb(0, nfs
, NULL
, data
->private_data
);
4347 free_nfs_cb_data(data
);
4350 static int nfs_access_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
4355 if (data
->continue_int
& R_OK
) {
4356 nfsmode
|= ACCESS3_READ
;
4358 if (data
->continue_int
& W_OK
) {
4359 nfsmode
|= ACCESS3_MODIFY
;
4361 if (data
->continue_int
& X_OK
) {
4362 nfsmode
|= ACCESS3_EXECUTE
;
4365 memset(&args
, 0, sizeof(ACCESS3args
));
4366 args
.object
= data
->fh
;
4367 args
.access
= nfsmode
;
4369 if (rpc_nfs3_access_async(nfs
->rpc
, nfs_access_cb
, &args
, data
) != 0) {
4370 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send OPEN ACCESS call for %s", data
->path
);
4371 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4372 free_nfs_cb_data(data
);
4378 int nfs_access_async(struct nfs_context
*nfs
, const char *path
, int mode
, nfs_cb cb
, void *private_data
)
4380 if (nfs_lookuppath_async(nfs
, path
, 0, cb
, private_data
, nfs_access_continue_internal
, NULL
, NULL
, mode
) != 0) {
4381 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
4393 struct nfs_symlink_data
{
4395 char *newpathparent
;
4396 char *newpathobject
;
4399 static void free_nfs_symlink_data(void *mem
)
4401 struct nfs_symlink_data
*data
= mem
;
4403 if (data
->oldpath
!= NULL
) {
4404 free(data
->oldpath
);
4406 if (data
->newpathparent
!= NULL
) {
4407 free(data
->newpathparent
);
4409 if (data
->newpathobject
!= NULL
) {
4410 free(data
->newpathobject
);
4415 static void nfs_symlink_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
4418 struct nfs_cb_data
*data
= private_data
;
4419 struct nfs_context
*nfs
= data
->nfs
;
4420 struct nfs_symlink_data
*symlink_data
= data
->continue_data
;
4422 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
4424 if (status
== RPC_STATUS_ERROR
) {
4425 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
4426 free_nfs_cb_data(data
);
4429 if (status
== RPC_STATUS_CANCEL
) {
4430 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
4431 free_nfs_cb_data(data
);
4436 if (res
->status
!= NFS3_OK
) {
4437 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
));
4438 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4439 free_nfs_cb_data(data
);
4443 data
->cb(0, nfs
, NULL
, data
->private_data
);
4444 free_nfs_cb_data(data
);
4447 static int nfs_symlink_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
4449 struct nfs_symlink_data
*symlink_data
= data
->continue_data
;
4452 memset(&args
, 0, sizeof(SYMLINK3args
));
4453 args
.where
.dir
= data
->fh
;
4454 args
.where
.name
= symlink_data
->newpathobject
;
4455 args
.symlink
.symlink_attributes
.mode
.set_it
= 1;
4456 args
.symlink
.symlink_attributes
.mode
.set_mode3_u
.mode
= S_IRUSR
|S_IWUSR
|S_IXUSR
|S_IRGRP
|S_IWGRP
|S_IXGRP
|S_IROTH
|S_IWOTH
|S_IXOTH
;
4457 args
.symlink
.symlink_data
= symlink_data
->oldpath
;
4459 if (rpc_nfs3_symlink_async(nfs
->rpc
, nfs_symlink_cb
, &args
, data
) != 0) {
4460 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SYMLINK call for %s", data
->path
);
4461 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4462 free_nfs_cb_data(data
);
4468 int nfs_symlink_async(struct nfs_context
*nfs
, const char *oldpath
, const char *newpath
, nfs_cb cb
, void *private_data
)
4471 struct nfs_symlink_data
*symlink_data
;
4473 symlink_data
= malloc(sizeof(struct nfs_symlink_data
));
4474 if (symlink_data
== NULL
) {
4475 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for symlink data");
4478 memset(symlink_data
, 0, sizeof(struct nfs_symlink_data
));
4480 symlink_data
->oldpath
= strdup(oldpath
);
4481 if (symlink_data
->oldpath
== NULL
) {
4482 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for oldpath");
4483 free_nfs_symlink_data(symlink_data
);
4487 symlink_data
->newpathparent
= strdup(newpath
);
4488 if (symlink_data
->newpathparent
== NULL
) {
4489 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for new path");
4490 free_nfs_symlink_data(symlink_data
);
4494 ptr
= strrchr(symlink_data
->newpathparent
, '/');
4496 rpc_set_error(nfs
->rpc
, "Invalid path %s", oldpath
);
4497 free_nfs_symlink_data(symlink_data
);
4503 symlink_data
->newpathobject
= strdup(ptr
);
4504 if (symlink_data
->newpathobject
== NULL
) {
4505 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for new path");
4506 free_nfs_symlink_data(symlink_data
);
4510 if (nfs_lookuppath_async(nfs
, symlink_data
->newpathparent
, 0, cb
, private_data
, nfs_symlink_continue_internal
, symlink_data
, free_nfs_symlink_data
, 0) != 0) {
4511 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
4523 struct nfs_rename_data
{
4526 struct nfs_fh3 olddir
;
4529 struct nfs_fh3 newdir
;
4532 static void free_nfs_rename_data(void *mem
)
4534 struct nfs_rename_data
*data
= mem
;
4536 if (data
->oldpath
!= NULL
) {
4537 free(data
->oldpath
);
4539 if (data
->olddir
.data
.data_val
!= NULL
) {
4540 free(data
->olddir
.data
.data_val
);
4542 if (data
->newpath
!= NULL
) {
4543 free(data
->newpath
);
4545 if (data
->newdir
.data
.data_val
!= NULL
) {
4546 free(data
->newdir
.data
.data_val
);
4551 static void nfs_rename_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
4554 struct nfs_cb_data
*data
= private_data
;
4555 struct nfs_context
*nfs
= data
->nfs
;
4556 struct nfs_rename_data
*rename_data
= data
->continue_data
;
4558 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
4560 if (status
== RPC_STATUS_ERROR
) {
4561 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
4562 free_nfs_cb_data(data
);
4565 if (status
== RPC_STATUS_CANCEL
) {
4566 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
4567 free_nfs_cb_data(data
);
4572 if (res
->status
!= NFS3_OK
) {
4573 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
));
4574 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4575 free_nfs_cb_data(data
);
4579 data
->cb(0, nfs
, NULL
, data
->private_data
);
4580 free_nfs_cb_data(data
);
4583 static int nfs_rename_continue_2_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
4585 struct nfs_rename_data
*rename_data
= data
->continue_data
;
4588 /* steal the filehandle */
4589 rename_data
->newdir
= data
->fh
;
4590 data
->fh
.data
.data_val
= NULL
;
4592 args
.from
.dir
= rename_data
->olddir
;
4593 args
.from
.name
= rename_data
->oldobject
;
4594 args
.to
.dir
= rename_data
->newdir
;
4595 args
.to
.name
= rename_data
->newobject
;
4596 if (rpc_nfs3_rename_async(nfs
->rpc
, nfs_rename_cb
, &args
, data
) != 0) {
4597 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send RENAME call for %s", data
->path
);
4598 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4599 free_nfs_cb_data(data
);
4606 static int nfs_rename_continue_1_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
4608 struct nfs_rename_data
*rename_data
= data
->continue_data
;
4609 char* newpath
= strdup(rename_data
->newpath
);
4611 rpc_set_error(nfs
->rpc
, "Out of memory. Could not allocate memory to store target path for rename");
4612 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4613 free_nfs_cb_data(data
);
4617 /* steal the filehandle */
4618 rename_data
->olddir
= data
->fh
;
4619 data
->fh
.data
.data_val
= NULL
;
4621 if (nfs_lookuppath_async(nfs
, rename_data
->newpath
, 0, data
->cb
, data
->private_data
, nfs_rename_continue_2_internal
, rename_data
, free_nfs_rename_data
, 0) != 0) {
4622 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send LOOKUP call for %s", newpath
);
4623 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4624 free_nfs_cb_data(data
);
4628 data
->continue_data
= NULL
;
4629 free_nfs_cb_data(data
);
4636 int nfs_rename_async(struct nfs_context
*nfs
, const char *oldpath
, const char *newpath
, nfs_cb cb
, void *private_data
)
4639 struct nfs_rename_data
*rename_data
;
4641 rename_data
= malloc(sizeof(struct nfs_rename_data
));
4642 if (rename_data
== NULL
) {
4643 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for rename data");
4646 memset(rename_data
, 0, sizeof(struct nfs_rename_data
));
4648 rename_data
->oldpath
= strdup(oldpath
);
4649 if (rename_data
->oldpath
== NULL
) {
4650 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for oldpath");
4651 free_nfs_rename_data(rename_data
);
4654 ptr
= strrchr(rename_data
->oldpath
, '/');
4656 rpc_set_error(nfs
->rpc
, "Invalid path %s", oldpath
);
4657 free_nfs_rename_data(rename_data
);
4662 rename_data
->oldobject
= ptr
;
4665 rename_data
->newpath
= strdup(newpath
);
4666 if (rename_data
->newpath
== NULL
) {
4667 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for newpath");
4668 free_nfs_rename_data(rename_data
);
4671 ptr
= strrchr(rename_data
->newpath
, '/');
4673 rpc_set_error(nfs
->rpc
, "Invalid path %s", newpath
);
4674 free_nfs_rename_data(rename_data
);
4679 rename_data
->newobject
= ptr
;
4682 if (nfs_lookuppath_async(nfs
, rename_data
->oldpath
, 0, cb
, private_data
, nfs_rename_continue_1_internal
, rename_data
, free_nfs_rename_data
, 0) != 0) {
4683 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
4694 struct nfs_link_data
{
4696 struct nfs_fh3 oldfh
;
4699 struct nfs_fh3 newdir
;
4702 static void free_nfs_link_data(void *mem
)
4704 struct nfs_link_data
*data
= mem
;
4706 if (data
->oldpath
!= NULL
) {
4707 free(data
->oldpath
);
4709 if (data
->oldfh
.data
.data_val
!= NULL
) {
4710 free(data
->oldfh
.data
.data_val
);
4712 if (data
->newpath
!= NULL
) {
4713 free(data
->newpath
);
4715 if (data
->newdir
.data
.data_val
!= NULL
) {
4716 free(data
->newdir
.data
.data_val
);
4721 static void nfs_link_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
4724 struct nfs_cb_data
*data
= private_data
;
4725 struct nfs_context
*nfs
= data
->nfs
;
4726 struct nfs_link_data
*link_data
= data
->continue_data
;
4728 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
4730 if (status
== RPC_STATUS_ERROR
) {
4731 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
4732 free_nfs_cb_data(data
);
4735 if (status
== RPC_STATUS_CANCEL
) {
4736 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
4737 free_nfs_cb_data(data
);
4742 if (res
->status
!= NFS3_OK
) {
4743 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
));
4744 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4745 free_nfs_cb_data(data
);
4749 data
->cb(0, nfs
, NULL
, data
->private_data
);
4750 free_nfs_cb_data(data
);
4753 static int nfs_link_continue_2_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
4755 struct nfs_link_data
*link_data
= data
->continue_data
;
4758 /* steal the filehandle */
4759 link_data
->newdir
= data
->fh
;
4760 data
->fh
.data
.data_val
= NULL
;
4762 memset(&args
, 0, sizeof(LINK3args
));
4763 args
.file
= link_data
->oldfh
;
4764 args
.link
.dir
= link_data
->newdir
;
4765 args
.link
.name
= link_data
->newobject
;
4766 if (rpc_nfs3_link_async(nfs
->rpc
, nfs_link_cb
, &args
, data
) != 0) {
4767 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send LINK call for %s", data
->path
);
4768 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4769 free_nfs_cb_data(data
);
4776 static int nfs_link_continue_1_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
4778 struct nfs_link_data
*link_data
= data
->continue_data
;
4780 /* steal the filehandle */
4781 link_data
->oldfh
= data
->fh
;
4782 data
->fh
.data
.data_val
= NULL
;
4784 if (nfs_lookuppath_async(nfs
, link_data
->newpath
, 0, data
->cb
, data
->private_data
, nfs_link_continue_2_internal
, link_data
, free_nfs_link_data
, 0) != 0) {
4785 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send LOOKUP call for %s", link_data
->newpath
);
4786 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4787 free_nfs_cb_data(data
);
4790 data
->continue_data
= NULL
;
4791 free_nfs_cb_data(data
);
4797 int nfs_link_async(struct nfs_context
*nfs
, const char *oldpath
, const char *newpath
, nfs_cb cb
, void *private_data
)
4800 struct nfs_link_data
*link_data
;
4802 link_data
= malloc(sizeof(struct nfs_link_data
));
4803 if (link_data
== NULL
) {
4804 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for link data");
4807 memset(link_data
, 0, sizeof(struct nfs_link_data
));
4809 link_data
->oldpath
= strdup(oldpath
);
4810 if (link_data
->oldpath
== NULL
) {
4811 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for oldpath");
4812 free_nfs_link_data(link_data
);
4816 link_data
->newpath
= strdup(newpath
);
4817 if (link_data
->newpath
== NULL
) {
4818 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for newpath");
4819 free_nfs_link_data(link_data
);
4822 ptr
= strrchr(link_data
->newpath
, '/');
4824 rpc_set_error(nfs
->rpc
, "Invalid path %s", newpath
);
4825 free_nfs_link_data(link_data
);
4830 link_data
->newobject
= ptr
;
4833 if (nfs_lookuppath_async(nfs
, link_data
->oldpath
, 0, cb
, private_data
, nfs_link_continue_1_internal
, link_data
, free_nfs_link_data
, 0) != 0) {
4834 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
4842 //qqq replace later with lseek()
4843 uint64_t nfs_get_current_offset(struct nfsfh
*nfsfh
)
4845 return nfsfh
->offset
;
4851 * Get the maximum supported READ3 size by the server
4853 uint64_t nfs_get_readmax(struct nfs_context
*nfs
)
4855 return nfs
->readmax
;
4859 * Get the maximum supported WRITE3 size by the server
4861 uint64_t nfs_get_writemax(struct nfs_context
*nfs
)
4863 return nfs
->writemax
;
4866 void nfs_set_tcp_syncnt(struct nfs_context
*nfs
, int v
) {
4867 rpc_set_tcp_syncnt(nfs
->rpc
, v
);
4870 void nfs_set_uid(struct nfs_context
*nfs
, int uid
) {
4871 rpc_set_uid(nfs
->rpc
, uid
);
4874 void nfs_set_gid(struct nfs_context
*nfs
, int gid
) {
4875 rpc_set_gid(nfs
->rpc
, gid
);
4878 void nfs_set_readahead(struct nfs_context
*nfs
, uint32_t v
) {
4879 rpc_set_readahead(nfs
->rpc
, v
);
4882 void nfs_set_error(struct nfs_context
*nfs
, char *error_string
, ...)
4887 va_start(ap
, error_string
);
4889 vsnprintf(str
, 1024, error_string
, ap
);
4890 if (nfs
->rpc
->error_string
!= NULL
) {
4891 free(nfs
->rpc
->error_string
);
4893 nfs
->rpc
->error_string
= str
;
4899 struct mount_cb_data
{
4905 static void free_mount_cb_data(struct mount_cb_data
*data
)
4907 if (data
->server
!= NULL
) {
4909 data
->server
= NULL
;
4915 static void mount_export_5_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
4917 struct mount_cb_data
*data
= private_data
;
4919 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
4921 if (status
== RPC_STATUS_ERROR
) {
4922 data
->cb(rpc
, -EFAULT
, command_data
, data
->private_data
);
4923 free_mount_cb_data(data
);
4926 if (status
== RPC_STATUS_CANCEL
) {
4927 data
->cb(rpc
, -EINTR
, "Command was cancelled", data
->private_data
);
4928 free_mount_cb_data(data
);
4932 data
->cb(rpc
, 0, command_data
, data
->private_data
);
4933 if (rpc_disconnect(rpc
, "normal disconnect") != 0) {
4934 rpc_set_error(rpc
, "Failed to disconnect\n");
4936 free_mount_cb_data(data
);
4939 static void mount_export_4_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
4941 struct mount_cb_data
*data
= private_data
;
4943 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
4945 /* Dont want any more callbacks even if the socket is closed */
4946 rpc
->connect_cb
= NULL
;
4948 if (status
== RPC_STATUS_ERROR
) {
4949 data
->cb(rpc
, -EFAULT
, command_data
, data
->private_data
);
4950 free_mount_cb_data(data
);
4953 if (status
== RPC_STATUS_CANCEL
) {
4954 data
->cb(rpc
, -EINTR
, "Command was cancelled", data
->private_data
);
4955 free_mount_cb_data(data
);
4959 if (rpc_mount3_export_async(rpc
, mount_export_5_cb
, data
) != 0) {
4960 data
->cb(rpc
, -ENOMEM
, command_data
, data
->private_data
);
4961 free_mount_cb_data(data
);
4966 int mount_getexports_async(struct rpc_context
*rpc
, const char *server
, rpc_cb cb
, void *private_data
)
4968 struct mount_cb_data
*data
;
4970 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
4972 data
= malloc(sizeof(struct mount_cb_data
));
4976 memset(data
, 0, sizeof(struct mount_cb_data
));
4978 data
->private_data
= private_data
;
4979 data
->server
= strdup(server
);
4980 if (data
->server
== NULL
) {
4981 free_mount_cb_data(data
);
4984 if (rpc_connect_program_async(rpc
, data
->server
, MOUNT_PROGRAM
, MOUNT_V3
, mount_export_4_cb
, data
) != 0) {
4985 rpc_set_error(rpc
, "Failed to start connection");
4986 free_mount_cb_data(data
);
4993 struct rpc_context
*nfs_get_rpc_context(struct nfs_context
*nfs
)
4995 assert(nfs
->rpc
->magic
== RPC_CONTEXT_MAGIC
);
4999 const char *nfs_get_server(struct nfs_context
*nfs
) {
5003 const char *nfs_get_export(struct nfs_context
*nfs
) {
5007 const struct nfs_fh3
*nfs_get_rootfh(struct nfs_context
*nfs
) {
5008 return &nfs
->rootfh
;
5011 struct nfs_fh3
*nfs_get_fh(struct nfsfh
*nfsfh
) {