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>
77 #include <sys/types.h>
80 #include "libnfs-zdr.h"
83 #include "libnfs-raw.h"
84 #include "libnfs-raw-mount.h"
85 #include "libnfs-raw-nfs.h"
86 #include "libnfs-raw-portmap.h"
87 #include "libnfs-private.h"
89 #define MAX_DIR_CACHE 128
90 #define MAX_LINK_COUNT 40
97 struct nfsdirent
*entries
;
98 struct nfsdirent
*current
;
101 struct nfs_readahead
{
103 uint64_t last_offset
;
116 struct nfs_readahead ra
;
120 struct rpc_context
*rpc
;
123 struct nfs_fh3 rootfh
;
127 struct nfsdir
*dircache
;
130 void nfs_free_nfsdir(struct nfsdir
*nfsdir
)
132 while (nfsdir
->entries
) {
133 struct nfsdirent
*dirent
= nfsdir
->entries
->next
;
134 if (nfsdir
->entries
->name
!= NULL
) {
135 free(nfsdir
->entries
->name
);
137 free(nfsdir
->entries
);
138 nfsdir
->entries
= dirent
;
140 free(nfsdir
->fh
.data
.data_val
);
144 static void nfs_dircache_add(struct nfs_context
*nfs
, struct nfsdir
*nfsdir
)
147 LIBNFS_LIST_ADD(&nfs
->dircache
, nfsdir
);
149 for (nfsdir
= nfs
->dircache
, i
= 0; nfsdir
; nfsdir
= nfsdir
->next
, i
++) {
150 if (i
> MAX_DIR_CACHE
) {
151 LIBNFS_LIST_REMOVE(&nfs
->dircache
, nfsdir
);
152 nfs_free_nfsdir(nfsdir
);
158 static struct nfsdir
*nfs_dircache_find(struct nfs_context
*nfs
, struct nfs_fh3
*fh
)
160 struct nfsdir
*nfsdir
;
162 for (nfsdir
= nfs
->dircache
; nfsdir
; nfsdir
= nfsdir
->next
) {
163 if (nfsdir
->fh
.data
.data_len
== fh
->data
.data_len
&&
164 !memcmp(nfsdir
->fh
.data
.data_val
, fh
->data
.data_val
, fh
->data
.data_len
)) {
165 LIBNFS_LIST_REMOVE(&nfs
->dircache
, nfsdir
);
174 typedef int (*continue_func
)(struct nfs_context
*nfs
, fattr3
*attr
,
175 struct nfs_cb_data
*data
);
178 struct nfs_context
*nfs
;
180 char *saved_path
, *path
;
181 int link_count
, no_follow
;
186 continue_func continue_cb
;
188 void (*free_continue_data
)(void *);
193 /* for multi-read/write calls. */
198 uint64_t offset
, count
, max_offset
, org_offset
, org_count
;
203 struct nfs_mcb_data
{
204 struct nfs_cb_data
*data
;
210 static int nfs_lookup_path_async_internal(struct nfs_context
*nfs
, fattr3
*attr
, struct nfs_cb_data
*data
, struct nfs_fh3
*fh
);
211 static int nfs_normalize_path(struct nfs_context
*nfs
, char *path
);
213 void nfs_set_auth(struct nfs_context
*nfs
, struct AUTH
*auth
)
215 rpc_set_auth(nfs
->rpc
, auth
);
218 int nfs_get_fd(struct nfs_context
*nfs
)
220 return rpc_get_fd(nfs
->rpc
);
223 int nfs_queue_length(struct nfs_context
*nfs
)
225 return rpc_queue_length(nfs
->rpc
);
228 int nfs_which_events(struct nfs_context
*nfs
)
230 return rpc_which_events(nfs
->rpc
);
233 int nfs_service(struct nfs_context
*nfs
, int revents
)
235 return rpc_service(nfs
->rpc
, revents
);
238 char *nfs_get_error(struct nfs_context
*nfs
)
240 return rpc_get_error(nfs
->rpc
);
243 static int nfs_set_context_args(struct nfs_context
*nfs
, char *arg
, char *val
)
245 if (!strcmp(arg
, "tcp-syncnt")) {
246 rpc_set_tcp_syncnt(nfs_get_rpc_context(nfs
), atoi(val
));
247 } else if (!strcmp(arg
, "uid")) {
248 rpc_set_uid(nfs_get_rpc_context(nfs
), atoi(val
));
249 } else if (!strcmp(arg
, "gid")) {
250 rpc_set_gid(nfs_get_rpc_context(nfs
), atoi(val
));
251 } else if (!strcmp(arg
, "readahaed")) {
252 rpc_set_readahead(nfs_get_rpc_context(nfs
), atoi(val
));
257 static struct nfs_url
*nfs_parse_url(struct nfs_context
*nfs
, const char *url
, int dir
, int incomplete
)
259 struct nfs_url
*urls
;
260 char *strp
, *flagsp
, *strp2
;
262 if (strncmp(url
, "nfs://", 6)) {
263 rpc_set_error(nfs
->rpc
, "Invalid URL specified");
267 urls
= malloc(sizeof(struct nfs_url
));
269 rpc_set_error(nfs
->rpc
, "Out of memory");
273 memset(urls
, 0x00, sizeof(struct nfs_url
));
274 urls
->server
= strdup(url
+ 6);
275 if (urls
->server
== NULL
) {
276 nfs_destroy_url(urls
);
277 rpc_set_error(nfs
->rpc
, "Out of memory");
281 if (urls
->server
[0] == '/' || urls
->server
[0] == '\0' ||
282 urls
->server
[0] == '?') {
284 flagsp
= strchr(urls
->server
, '?');
287 nfs_destroy_url(urls
);
288 rpc_set_error(nfs
->rpc
, "Invalid server string");
292 strp
= strchr(urls
->server
, '/');
295 flagsp
= strchr(urls
->server
, '?');
298 nfs_destroy_url(urls
);
299 rpc_set_error(nfs
->rpc
, "Incomplete or invalid URL specified.");
303 urls
->path
= strdup(strp
);
304 if (urls
->path
== NULL
) {
305 nfs_destroy_url(urls
);
306 rpc_set_error(nfs
->rpc
, "Out of memory");
312 flagsp
= strchr(urls
->path
, '?');
316 strp
= strrchr(urls
->path
, '/');
319 flagsp
= strchr(urls
->path
, '?');
322 nfs_destroy_url(urls
);
323 rpc_set_error(nfs
->rpc
, "Incomplete or invalid URL specified.");
326 urls
->file
= strdup(strp
);
327 if (urls
->path
== NULL
) {
328 nfs_destroy_url(urls
);
329 rpc_set_error(nfs
->rpc
, "Out of memory");
333 flagsp
= strchr(urls
->file
, '?');
340 if (urls
->file
&& !strlen(urls
->file
)) {
344 nfs_destroy_url(urls
);
345 rpc_set_error(nfs
->rpc
, "Incomplete or invalid URL specified.");
350 while (flagsp
!= NULL
&& *(flagsp
+1) != 0) {
352 flagsp
= strchr(strp
, '&');
356 strp2
= strchr(strp
, '=');
360 nfs_set_context_args(nfs
, strp
, strp2
);
364 if (urls
->server
&& strlen(urls
->server
) <= 1) {
372 struct nfs_url
*nfs_parse_url_full(struct nfs_context
*nfs
, const char *url
)
374 return nfs_parse_url(nfs
, url
, 0, 0);
377 struct nfs_url
*nfs_parse_url_dir(struct nfs_context
*nfs
, const char *url
)
379 return nfs_parse_url(nfs
, url
, 1, 0);
382 struct nfs_url
*nfs_parse_url_incomplete(struct nfs_context
*nfs
, const char *url
)
384 return nfs_parse_url(nfs
, url
, 0, 1);
388 void nfs_destroy_url(struct nfs_url
*url
)
398 struct nfs_context
*nfs_init_context(void)
400 struct nfs_context
*nfs
;
402 nfs
= malloc(sizeof(struct nfs_context
));
406 memset(nfs
, 0, sizeof(struct nfs_context
));
408 nfs
->rpc
= rpc_init_context();
409 if (nfs
->rpc
== NULL
) {
414 nfs
->cwd
= strdup("/");
419 void nfs_destroy_context(struct nfs_context
*nfs
)
421 rpc_destroy_context(nfs
->rpc
);
439 if (nfs
->rootfh
.data
.data_val
!= NULL
) {
440 free(nfs
->rootfh
.data
.data_val
);
441 nfs
->rootfh
.data
.data_val
= NULL
;
444 while (nfs
->dircache
) {
445 struct nfsdir
*nfsdir
= nfs
->dircache
;
446 LIBNFS_LIST_REMOVE(&nfs
->dircache
, nfsdir
);
447 nfs_free_nfsdir(nfsdir
);
462 void free_rpc_cb_data(struct rpc_cb_data
*data
)
469 static void rpc_connect_program_5_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
471 struct rpc_cb_data
*data
= private_data
;
473 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
475 /* Dont want any more callbacks even if the socket is closed */
476 rpc
->connect_cb
= NULL
;
478 if (status
== RPC_STATUS_ERROR
) {
479 data
->cb(rpc
, status
, command_data
, data
->private_data
);
480 free_rpc_cb_data(data
);
483 if (status
== RPC_STATUS_CANCEL
) {
484 data
->cb(rpc
, status
, "Command was cancelled", data
->private_data
);
485 free_rpc_cb_data(data
);
489 data
->cb(rpc
, status
, NULL
, data
->private_data
);
490 free_rpc_cb_data(data
);
493 static void rpc_connect_program_4_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
495 struct rpc_cb_data
*data
= private_data
;
497 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
499 /* Dont want any more callbacks even if the socket is closed */
500 rpc
->connect_cb
= NULL
;
502 if (status
== RPC_STATUS_ERROR
) {
503 data
->cb(rpc
, status
, command_data
, data
->private_data
);
504 free_rpc_cb_data(data
);
507 if (status
== RPC_STATUS_CANCEL
) {
508 data
->cb(rpc
, status
, "Command was cancelled", data
->private_data
);
509 free_rpc_cb_data(data
);
513 switch (data
->program
) {
515 if (rpc_mount3_null_async(rpc
, rpc_connect_program_5_cb
,
517 data
->cb(rpc
, status
, command_data
, data
->private_data
);
518 free_rpc_cb_data(data
);
523 if (rpc_nfs3_null_async(rpc
, rpc_connect_program_5_cb
,
525 data
->cb(rpc
, status
, command_data
, data
->private_data
);
526 free_rpc_cb_data(data
);
532 data
->cb(rpc
, status
, NULL
, data
->private_data
);
533 free_rpc_cb_data(data
);
536 static void rpc_connect_program_3_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
538 struct rpc_cb_data
*data
= private_data
;
539 struct pmap3_string_result
*gar
;
540 uint32_t rpc_port
= 0;
543 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
545 if (status
== RPC_STATUS_ERROR
) {
546 data
->cb(rpc
, status
, command_data
, data
->private_data
);
547 free_rpc_cb_data(data
);
550 if (status
== RPC_STATUS_CANCEL
) {
551 data
->cb(rpc
, status
, "Command was cancelled", data
->private_data
);
552 free_rpc_cb_data(data
);
556 switch (rpc
->s
.ss_family
) {
558 rpc_port
= *(uint32_t *)command_data
;
561 /* ouch. portmapper and ipv6 are not great */
563 if (gar
->addr
== NULL
) {
566 ptr
= strrchr(gar
->addr
, '.');
570 rpc_port
= atoi(ptr
+ 1);
572 ptr
= strrchr(gar
->addr
, '.');
576 rpc_port
+= 256 * atoi(ptr
+ 1);
580 rpc_set_error(rpc
, "RPC error. Program is not available on %s", data
->server
);
581 data
->cb(rpc
, RPC_STATUS_ERROR
, rpc_get_error(rpc
), data
->private_data
);
582 free_rpc_cb_data(data
);
586 rpc_disconnect(rpc
, "normal disconnect");
587 if (rpc_connect_async(rpc
, data
->server
, rpc_port
, rpc_connect_program_4_cb
, data
) != 0) {
588 data
->cb(rpc
, status
, command_data
, data
->private_data
);
589 free_rpc_cb_data(data
);
594 static void rpc_connect_program_2_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
596 struct rpc_cb_data
*data
= private_data
;
597 struct pmap3_mapping map
;
599 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
601 if (status
== RPC_STATUS_ERROR
) {
602 data
->cb(rpc
, status
, command_data
, data
->private_data
);
603 free_rpc_cb_data(data
);
606 if (status
== RPC_STATUS_CANCEL
) {
607 data
->cb(rpc
, status
, "Command was cancelled", data
->private_data
);
608 free_rpc_cb_data(data
);
612 switch (rpc
->s
.ss_family
) {
614 if (rpc_pmap2_getport_async(rpc
, data
->program
, data
->version
, IPPROTO_TCP
, rpc_connect_program_3_cb
, private_data
) != 0) {
615 data
->cb(rpc
, status
, command_data
, data
->private_data
);
616 free_rpc_cb_data(data
);
621 map
.prog
=data
->program
;
622 map
.vers
=data
->version
;
626 if (rpc_pmap3_getaddr_async(rpc
, &map
, rpc_connect_program_3_cb
, private_data
) != 0) {
627 data
->cb(rpc
, status
, command_data
, data
->private_data
);
628 free_rpc_cb_data(data
);
635 static void rpc_connect_program_1_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
637 struct rpc_cb_data
*data
= private_data
;
639 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
641 /* Dont want any more callbacks even if the socket is closed */
642 rpc
->connect_cb
= NULL
;
644 if (status
== RPC_STATUS_ERROR
) {
645 data
->cb(rpc
, status
, command_data
, data
->private_data
);
646 free_rpc_cb_data(data
);
649 if (status
== RPC_STATUS_CANCEL
) {
650 data
->cb(rpc
, status
, "Command was cancelled", data
->private_data
);
651 free_rpc_cb_data(data
);
655 switch (rpc
->s
.ss_family
) {
657 if (rpc_pmap2_null_async(rpc
, rpc_connect_program_2_cb
, data
) != 0) {
658 data
->cb(rpc
, status
, command_data
, data
->private_data
);
659 free_rpc_cb_data(data
);
664 if (rpc_pmap3_null_async(rpc
, rpc_connect_program_2_cb
, data
) != 0) {
665 data
->cb(rpc
, status
, command_data
, data
->private_data
);
666 free_rpc_cb_data(data
);
673 int rpc_connect_program_async(struct rpc_context
*rpc
, const char *server
, int program
, int version
, rpc_cb cb
, void *private_data
)
675 struct rpc_cb_data
*data
;
677 data
= malloc(sizeof(struct rpc_cb_data
));
681 memset(data
, 0, sizeof(struct rpc_cb_data
));
682 data
->server
= strdup(server
);
683 data
->program
= program
;
684 data
->version
= version
;
687 data
->private_data
= private_data
;
689 if (rpc_connect_async(rpc
, server
, 111, rpc_connect_program_1_cb
, data
) != 0) {
690 rpc_set_error(rpc
, "Failed to start connection");
691 free_rpc_cb_data(data
);
697 static void free_nfs_cb_data(struct nfs_cb_data
*data
)
699 if (data
->continue_data
!= NULL
) {
700 assert(data
->free_continue_data
);
701 data
->free_continue_data(data
->continue_data
);
704 free(data
->saved_path
);
705 free(data
->fh
.data
.data_val
);
711 static void free_nfsfh(struct nfsfh
*nfsfh
)
713 if (nfsfh
->fh
.data
.data_val
!= NULL
) {
714 free(nfsfh
->fh
.data
.data_val
);
715 nfsfh
->fh
.data
.data_val
= NULL
;
722 static void nfs_mount_10_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
724 struct nfs_cb_data
*data
= private_data
;
725 struct nfs_context
*nfs
= data
->nfs
;
727 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
729 if (status
== RPC_STATUS_ERROR
) {
730 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
731 free_nfs_cb_data(data
);
734 if (status
== RPC_STATUS_CANCEL
) {
735 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
736 free_nfs_cb_data(data
);
740 data
->cb(0, nfs
, NULL
, data
->private_data
);
741 free_nfs_cb_data(data
);
744 static void nfs_mount_9_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
746 struct nfs_cb_data
*data
= private_data
;
747 struct nfs_context
*nfs
= data
->nfs
;
748 FSINFO3res
*res
= command_data
;
749 struct GETATTR3args args
;
751 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
753 if (status
== RPC_STATUS_ERROR
) {
754 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
755 free_nfs_cb_data(data
);
758 if (status
== RPC_STATUS_CANCEL
) {
759 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
760 free_nfs_cb_data(data
);
764 nfs
->readmax
= res
->FSINFO3res_u
.resok
.rtmax
;
765 nfs
->writemax
= res
->FSINFO3res_u
.resok
.wtmax
;
767 memset(&args
, 0, sizeof(GETATTR3args
));
768 args
.object
= nfs
->rootfh
;
770 if (rpc_nfs3_getattr_async(rpc
, nfs_mount_10_cb
, &args
, data
) != 0) {
771 data
->cb(-ENOMEM
, nfs
, command_data
, data
->private_data
);
772 free_nfs_cb_data(data
);
777 static void nfs_mount_8_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
779 struct nfs_cb_data
*data
= private_data
;
780 struct nfs_context
*nfs
= data
->nfs
;
781 struct FSINFO3args args
;
783 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
785 if (status
== RPC_STATUS_ERROR
) {
786 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
787 free_nfs_cb_data(data
);
790 if (status
== RPC_STATUS_CANCEL
) {
791 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
792 free_nfs_cb_data(data
);
796 /* NFS TCP connections we want to autoreconnect after sessions are torn down (due to inactivity or error) */
797 rpc_set_autoreconnect(rpc
);
799 args
.fsroot
= nfs
->rootfh
;
800 if (rpc_nfs3_fsinfo_async(rpc
, nfs_mount_9_cb
, &args
, data
) != 0) {
801 data
->cb(-ENOMEM
, nfs
, command_data
, data
->private_data
);
802 free_nfs_cb_data(data
);
807 static void nfs_mount_6_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
809 struct nfs_cb_data
*data
= private_data
;
810 struct nfs_context
*nfs
= data
->nfs
;
813 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
815 if (status
== RPC_STATUS_ERROR
) {
816 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
817 free_nfs_cb_data(data
);
820 if (status
== RPC_STATUS_CANCEL
) {
821 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
822 free_nfs_cb_data(data
);
827 if (res
->fhs_status
!= MNT3_OK
) {
828 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
));
829 data
->cb(mountstat3_to_errno(res
->fhs_status
), nfs
, rpc_get_error(rpc
), data
->private_data
);
830 free_nfs_cb_data(data
);
834 nfs
->rootfh
.data
.data_len
= res
->mountres3_u
.mountinfo
.fhandle
.fhandle3_len
;
835 nfs
->rootfh
.data
.data_val
= malloc(nfs
->rootfh
.data
.data_len
);
836 if (nfs
->rootfh
.data
.data_val
== NULL
) {
837 rpc_set_error(rpc
, "Out of memory. Could not allocate memory to store root filehandle");
838 data
->cb(-ENOMEM
, nfs
, rpc_get_error(rpc
), data
->private_data
);
839 free_nfs_cb_data(data
);
842 memcpy(nfs
->rootfh
.data
.data_val
, res
->mountres3_u
.mountinfo
.fhandle
.fhandle3_val
, nfs
->rootfh
.data
.data_len
);
844 rpc_disconnect(rpc
, "normal disconnect");
846 if (rpc_connect_program_async(nfs
->rpc
, nfs
->server
, NFS_PROGRAM
, NFS_V3
, nfs_mount_8_cb
, data
) != 0) {
847 data
->cb(-ENOMEM
, nfs
, command_data
, data
->private_data
);
848 free_nfs_cb_data(data
);
854 static void nfs_mount_5_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
856 struct nfs_cb_data
*data
= private_data
;
857 struct nfs_context
*nfs
= data
->nfs
;
859 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
861 if (status
== RPC_STATUS_ERROR
) {
862 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
863 free_nfs_cb_data(data
);
866 if (status
== RPC_STATUS_CANCEL
) {
867 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
868 free_nfs_cb_data(data
);
872 if (rpc_mount3_mnt_async(rpc
, nfs_mount_6_cb
, nfs
->export
, data
) != 0) {
873 data
->cb(-ENOMEM
, nfs
, command_data
, data
->private_data
);
874 free_nfs_cb_data(data
);
880 * Async call for mounting an nfs share and geting the root filehandle
882 int nfs_mount_async(struct nfs_context
*nfs
, const char *server
, const char *export
, nfs_cb cb
, void *private_data
)
884 struct nfs_cb_data
*data
;
885 char *new_server
, *new_export
;
887 data
= malloc(sizeof(struct nfs_cb_data
));
889 rpc_set_error(nfs
->rpc
, "out of memory. failed to allocate memory for nfs mount data");
892 memset(data
, 0, sizeof(struct nfs_cb_data
));
893 new_server
= strdup(server
);
894 new_export
= strdup(export
);
895 if (nfs
->server
!= NULL
) {
898 nfs
->server
= new_server
;
899 if (nfs
->export
!= NULL
) {
902 nfs
->export
= new_export
;
905 data
->private_data
= private_data
;
907 if (rpc_connect_program_async(nfs
->rpc
, server
, MOUNT_PROGRAM
, MOUNT_V3
, nfs_mount_5_cb
, data
) != 0) {
908 rpc_set_error(nfs
->rpc
, "Failed to start connection");
909 free_nfs_cb_data(data
);
919 * Functions to first look up a path, component by component, and then finally call a specific function once
920 * the filehandle for the final component is found.
922 static void nfs_lookup_path_2_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
924 struct nfs_cb_data
*data
= private_data
;
925 struct nfs_context
*nfs
= data
->nfs
;
927 char *path
, *newpath
;
929 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
931 if (status
== RPC_STATUS_ERROR
) {
932 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
933 free_nfs_cb_data(data
);
936 if (status
== RPC_STATUS_CANCEL
) {
937 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
938 free_nfs_cb_data(data
);
943 if (res
->status
!= NFS3_OK
) {
944 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
));
945 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
946 free_nfs_cb_data(data
);
950 path
= res
->READLINK3res_u
.resok
.data
;
952 /* Handle absolute paths, ensuring that the path lies within the
954 if (path
[0] == '/') {
955 if (strstr(path
, nfs
->export
) == path
) {
956 char *ptr
= path
+ strlen(nfs
->export
);
958 newpath
= strdup(ptr
);
959 } else if (*ptr
== '\0') {
960 newpath
= strdup("/");
962 data
->cb(-ENOENT
, nfs
, "Symbolic link points outside export", data
->private_data
);
963 free_nfs_cb_data(data
);
967 data
->cb(-ENOENT
, nfs
, "Symbolic link points outside export", data
->private_data
);
968 free_nfs_cb_data(data
);
975 /* Handle relative paths, both the case where the current
976 * component is an intermediate component and when it is the
977 * final component. */
979 /* Since path points to a component and saved_path
980 * always starts with '/', path[-1] is valid. */
981 data
->path
[-1] = '\0';
982 newpath
= malloc(strlen(data
->saved_path
) + strlen(path
) + strlen(data
->path
) + 6);
986 sprintf(newpath
, "%s/../%s/%s", data
->saved_path
, path
, data
->path
);
988 newpath
= malloc(strlen(data
->saved_path
) + strlen(path
) + 5);
992 sprintf(newpath
, "%s/../%s", data
->saved_path
, path
);
995 free(data
->saved_path
);
996 data
->saved_path
= newpath
;
998 if (nfs_normalize_path(nfs
, data
->saved_path
) != 0) {
999 data
->cb(-ENOENT
, nfs
, "Symbolic link resolves to invalid path", data
->private_data
);
1000 free_nfs_cb_data(data
);
1004 data
->path
= data
->saved_path
;
1005 nfs_lookup_path_async_internal(nfs
, NULL
, data
, &nfs
->rootfh
);
1009 data
->cb(-ENOMEM
, nfs
, "Failed to allocate memory for path", data
->private_data
);
1010 free_nfs_cb_data(data
);
1013 static void nfs_lookup_path_1_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
1015 struct nfs_cb_data
*data
= private_data
;
1016 struct nfs_context
*nfs
= data
->nfs
;
1020 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
1022 if (status
== RPC_STATUS_ERROR
) {
1023 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1024 free_nfs_cb_data(data
);
1027 if (status
== RPC_STATUS_CANCEL
) {
1028 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1029 free_nfs_cb_data(data
);
1034 if (res
->status
!= NFS3_OK
) {
1035 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
));
1036 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1037 free_nfs_cb_data(data
);
1041 attr
= res
->LOOKUP3res_u
.resok
.obj_attributes
.attributes_follow
?
1042 &res
->LOOKUP3res_u
.resok
.obj_attributes
.post_op_attr_u
.attributes
:
1045 /* This function will always invoke the callback and cleanup
1046 * for failures. So no need to check the return value.
1048 nfs_lookup_path_async_internal(nfs
, attr
, data
, &res
->LOOKUP3res_u
.resok
.object
);
1051 static int nfs_lookup_path_async_internal(struct nfs_context
*nfs
, fattr3
*attr
, struct nfs_cb_data
*data
, struct nfs_fh3
*fh
)
1056 while (*data
->path
== '/') {
1061 slash
= strchr(path
, '/');
1063 if (attr
&& attr
->type
== NF3LNK
&& (!data
->no_follow
|| *path
!= '\0')) {
1066 if (data
->link_count
++ >= MAX_LINK_COUNT
) {
1067 data
->cb(-ELOOP
, nfs
, "Too many levels of symbolic links", data
->private_data
);
1068 free_nfs_cb_data(data
);
1074 if (rpc_nfs3_readlink_async(nfs
->rpc
, nfs_lookup_path_2_cb
, &args
, data
) != 0) {
1075 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READLINK call for %s", data
->path
);
1076 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1077 free_nfs_cb_data(data
);
1081 if (slash
!= NULL
) {
1087 if (slash
!= NULL
) {
1088 /* Clear slash so that path is a zero terminated string for
1089 * the current path component. Set it back to '/' again later
1090 * when we are finished referencing this component so that
1091 * data->saved_path will still point to the full
1095 data
->path
= slash
+1;
1097 while (*data
->path
!= 0) {
1103 data
->fh
.data
.data_len
= fh
->data
.data_len
;
1104 data
->fh
.data
.data_val
= malloc(data
->fh
.data
.data_len
);
1105 if (data
->fh
.data
.data_val
== NULL
) {
1106 rpc_set_error(nfs
->rpc
, "Out of memory: Failed to allocate fh for %s", data
->path
);
1107 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1108 free_nfs_cb_data(data
);
1111 memcpy(data
->fh
.data
.data_val
, fh
->data
.data_val
, data
->fh
.data
.data_len
);
1112 if (slash
!= NULL
) {
1115 data
->continue_cb(nfs
, attr
, data
);
1119 memset(&args
, 0, sizeof(LOOKUP3args
));
1120 args
.what
.dir
= *fh
;
1121 args
.what
.name
= path
;
1123 if (rpc_nfs3_lookup_async(nfs
->rpc
, nfs_lookup_path_1_cb
, &args
, data
) != 0) {
1124 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send lookup call for %s", data
->path
);
1125 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1126 free_nfs_cb_data(data
);
1129 if (slash
!= NULL
) {
1135 static int nfs_normalize_path(struct nfs_context
*nfs
, char *path
)
1141 while ((str
= strstr(path
, "//"))) {
1149 while ((str
= strstr(path
, "/./"))) {
1156 /* ^/../ -> error */
1157 if (!strncmp(path
, "/../", 4)) {
1158 rpc_set_error(nfs
->rpc
,
1159 "Absolute path starts with '/../' "
1160 "during normalization");
1164 /* ^[^/] -> error */
1165 if (path
[0] != '/') {
1166 rpc_set_error(nfs
->rpc
,
1167 "Absolute path does not start with '/'");
1171 /* /string/../ -> / */
1172 while ((str
= strstr(path
, "/../"))) {
1175 if (!strncmp(path
, "/../", 4)) {
1176 rpc_set_error(nfs
->rpc
,
1177 "Absolute path starts with '/../' "
1178 "during normalization");
1183 while (*tmp
!= '/') {
1187 while((*(tmp
++) = *(str
++)) != '\0')
1194 if (path
[len
- 1] == '/') {
1195 path
[len
- 1] = '\0';
1199 if (path
[0] == '\0') {
1200 rpc_set_error(nfs
->rpc
,
1201 "Absolute path became '' "
1202 "during normalization");
1208 if (!strcmp(&path
[len
- 2], "/.")) {
1209 path
[len
- 2] = '\0';
1214 /* ^/..$ -> error */
1215 if (!strcmp(path
, "/..")) {
1216 rpc_set_error(nfs
->rpc
,
1217 "Absolute path is '/..' "
1218 "during normalization");
1222 /* /string/..$ -> / */
1224 if (!strcmp(&path
[len
- 3], "/..")) {
1225 char *tmp
= &path
[len
- 3];
1226 while (*--tmp
!= '/')
1235 static void nfs_lookup_path_getattr_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
1237 struct nfs_cb_data
*data
= private_data
;
1238 struct nfs_context
*nfs
= data
->nfs
;
1242 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
1244 if (status
== RPC_STATUS_ERROR
) {
1245 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1246 free_nfs_cb_data(data
);
1249 if (status
== RPC_STATUS_CANCEL
) {
1250 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1251 free_nfs_cb_data(data
);
1256 if (res
->status
!= NFS3_OK
) {
1257 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
));
1258 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1259 free_nfs_cb_data(data
);
1263 attr
= &res
->GETATTR3res_u
.resok
.obj_attributes
;
1264 /* This function will always invoke the callback and cleanup
1265 * for failures. So no need to check the return value.
1267 nfs_lookup_path_async_internal(nfs
, attr
, data
, &nfs
->rootfh
);
1270 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
)
1272 struct nfs_cb_data
*data
;
1273 struct GETATTR3args args
;
1275 if (path
[0] == '\0') {
1279 data
= malloc(sizeof(struct nfs_cb_data
));
1281 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate "
1282 "nfs_cb_data structure");
1283 if (free_continue_data
)
1284 free_continue_data(continue_data
);
1287 memset(data
, 0, sizeof(struct nfs_cb_data
));
1290 data
->continue_cb
= continue_cb
;
1291 data
->continue_data
= continue_data
;
1292 data
->free_continue_data
= free_continue_data
;
1293 data
->continue_int
= continue_int
;
1294 data
->private_data
= private_data
;
1295 data
->no_follow
= no_follow
;
1296 if (path
[0] == '/') {
1297 data
->saved_path
= strdup(path
);
1299 data
->saved_path
= malloc(strlen(path
) + strlen(nfs
->cwd
) + 2);
1300 if (data
->saved_path
== NULL
) {
1301 rpc_set_error(nfs
->rpc
, "out of memory: failed to "
1302 "malloc path string");
1303 free_nfs_cb_data(data
);
1306 sprintf(data
->saved_path
, "%s/%s", nfs
->cwd
, path
);
1309 if (data
->saved_path
== NULL
) {
1310 rpc_set_error(nfs
->rpc
, "out of memory: failed to copy path string");
1311 free_nfs_cb_data(data
);
1314 if (nfs_normalize_path(nfs
, data
->saved_path
) != 0) {
1315 free_nfs_cb_data(data
);
1319 data
->path
= data
->saved_path
;
1320 if (data
->path
[0]) {
1321 /* This function will always invoke the callback and cleanup
1322 * for failures. So no need to check the return value.
1324 nfs_lookup_path_async_internal(nfs
, NULL
, data
, &nfs
->rootfh
);
1328 /* We have a request for "", so just perform a GETATTR3 so we can
1329 * return the attributes to the caller.
1331 memset(&args
, 0, sizeof(GETATTR3args
));
1332 args
.object
= nfs
->rootfh
;
1333 if (rpc_nfs3_getattr_async(nfs
->rpc
, nfs_lookup_path_getattr_cb
, &args
, data
) != 0) {
1334 free_nfs_cb_data(data
);
1344 static dev_t
specdata3_to_rdev(struct specdata3
*rdev
)
1347 return makedev(rdev
->specdata1
, rdev
->specdata2
);
1353 static void nfs_stat_1_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
1356 struct nfs_cb_data
*data
= private_data
;
1357 struct nfs_context
*nfs
= data
->nfs
;
1364 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
1366 if (status
== RPC_STATUS_ERROR
) {
1367 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1368 free_nfs_cb_data(data
);
1371 if (status
== RPC_STATUS_CANCEL
) {
1372 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1373 free_nfs_cb_data(data
);
1378 if (res
->status
!= NFS3_OK
) {
1379 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
));
1380 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1381 free_nfs_cb_data(data
);
1385 st
.st_dev
= res
->GETATTR3res_u
.resok
.obj_attributes
.fsid
;
1386 st
.st_ino
= res
->GETATTR3res_u
.resok
.obj_attributes
.fileid
;
1387 st
.st_mode
= res
->GETATTR3res_u
.resok
.obj_attributes
.mode
;
1388 switch (res
->GETATTR3res_u
.resok
.obj_attributes
.type
) {
1390 st
.st_mode
|= S_IFREG
;
1393 st
.st_mode
|= S_IFDIR
;
1396 st
.st_mode
|= S_IFBLK
;
1399 st
.st_mode
|= S_IFCHR
;
1402 st
.st_mode
|= S_IFLNK
;
1405 st
.st_mode
|= S_IFSOCK
;
1408 st
.st_mode
|= S_IFIFO
;
1411 st
.st_nlink
= res
->GETATTR3res_u
.resok
.obj_attributes
.nlink
;
1412 st
.st_uid
= res
->GETATTR3res_u
.resok
.obj_attributes
.uid
;
1413 st
.st_gid
= res
->GETATTR3res_u
.resok
.obj_attributes
.gid
;
1414 st
.st_rdev
= specdata3_to_rdev(&res
->GETATTR3res_u
.resok
.obj_attributes
.rdev
);
1415 st
.st_size
= res
->GETATTR3res_u
.resok
.obj_attributes
.size
;
1417 st
.st_blksize
= NFS_BLKSIZE
;
1418 st
.st_blocks
= (res
->GETATTR3res_u
.resok
.obj_attributes
.used
+ 512 - 1) / 512;
1420 st
.st_atime
= res
->GETATTR3res_u
.resok
.obj_attributes
.atime
.seconds
;
1421 st
.st_mtime
= res
->GETATTR3res_u
.resok
.obj_attributes
.mtime
.seconds
;
1422 st
.st_ctime
= res
->GETATTR3res_u
.resok
.obj_attributes
.ctime
.seconds
;
1423 #ifdef HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC
1424 st
.st_atim
.tv_nsec
= res
->GETATTR3res_u
.resok
.obj_attributes
.atime
.nseconds
;
1425 st
.st_mtim
.tv_nsec
= res
->GETATTR3res_u
.resok
.obj_attributes
.mtime
.nseconds
;
1426 st
.st_ctim
.tv_nsec
= res
->GETATTR3res_u
.resok
.obj_attributes
.ctime
.nseconds
;
1429 data
->cb(0, nfs
, &st
, data
->private_data
);
1430 free_nfs_cb_data(data
);
1433 static int nfs_stat_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
1435 struct GETATTR3args args
;
1437 memset(&args
, 0, sizeof(GETATTR3args
));
1438 args
.object
= data
->fh
;
1440 if (rpc_nfs3_getattr_async(nfs
->rpc
, nfs_stat_1_cb
, &args
, data
) != 0) {
1441 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send STAT GETATTR call for %s", data
->path
);
1442 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1443 free_nfs_cb_data(data
);
1449 int nfs_stat_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
1451 if (nfs_lookuppath_async(nfs
, path
, 0, cb
, private_data
, nfs_stat_continue_internal
, NULL
, NULL
, 0) != 0) {
1452 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
1461 * Async nfs_stat64()
1463 static void nfs_stat64_1_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
1466 struct nfs_cb_data
*data
= private_data
;
1467 struct nfs_context
*nfs
= data
->nfs
;
1468 struct nfs_stat_64 st
;
1470 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
1472 if (status
== RPC_STATUS_ERROR
) {
1473 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1474 free_nfs_cb_data(data
);
1477 if (status
== RPC_STATUS_CANCEL
) {
1478 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1479 free_nfs_cb_data(data
);
1484 if (res
->status
!= NFS3_OK
) {
1485 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
));
1486 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1487 free_nfs_cb_data(data
);
1491 st
.nfs_dev
= res
->GETATTR3res_u
.resok
.obj_attributes
.fsid
;
1492 st
.nfs_ino
= res
->GETATTR3res_u
.resok
.obj_attributes
.fileid
;
1493 st
.nfs_mode
= res
->GETATTR3res_u
.resok
.obj_attributes
.mode
;
1494 switch (res
->GETATTR3res_u
.resok
.obj_attributes
.type
) {
1496 st
.nfs_mode
|= S_IFREG
;
1499 st
.nfs_mode
|= S_IFDIR
;
1502 st
.nfs_mode
|= S_IFBLK
;
1505 st
.nfs_mode
|= S_IFCHR
;
1508 st
.nfs_mode
|= S_IFLNK
;
1511 st
.nfs_mode
|= S_IFSOCK
;
1514 st
.nfs_mode
|= S_IFIFO
;
1517 st
.nfs_nlink
= res
->GETATTR3res_u
.resok
.obj_attributes
.nlink
;
1518 st
.nfs_uid
= res
->GETATTR3res_u
.resok
.obj_attributes
.uid
;
1519 st
.nfs_gid
= res
->GETATTR3res_u
.resok
.obj_attributes
.gid
;
1520 st
.nfs_rdev
= specdata3_to_rdev(&res
->GETATTR3res_u
.resok
.obj_attributes
.rdev
);
1521 st
.nfs_size
= res
->GETATTR3res_u
.resok
.obj_attributes
.size
;
1522 st
.nfs_blksize
= NFS_BLKSIZE
;
1523 st
.nfs_blocks
= (res
->GETATTR3res_u
.resok
.obj_attributes
.used
+ 512 - 1) / 512;
1524 st
.nfs_atime
= res
->GETATTR3res_u
.resok
.obj_attributes
.atime
.seconds
;
1525 st
.nfs_mtime
= res
->GETATTR3res_u
.resok
.obj_attributes
.mtime
.seconds
;
1526 st
.nfs_ctime
= res
->GETATTR3res_u
.resok
.obj_attributes
.ctime
.seconds
;
1527 st
.nfs_atime_nsec
= res
->GETATTR3res_u
.resok
.obj_attributes
.atime
.nseconds
;
1528 st
.nfs_mtime_nsec
= res
->GETATTR3res_u
.resok
.obj_attributes
.mtime
.nseconds
;
1529 st
.nfs_ctime_nsec
= res
->GETATTR3res_u
.resok
.obj_attributes
.ctime
.nseconds
;
1530 st
.nfs_used
= res
->GETATTR3res_u
.resok
.obj_attributes
.used
;
1532 data
->cb(0, nfs
, &st
, data
->private_data
);
1533 free_nfs_cb_data(data
);
1536 static int nfs_stat64_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
1538 struct GETATTR3args args
;
1540 memset(&args
, 0, sizeof(GETATTR3args
));
1541 args
.object
= data
->fh
;
1543 if (rpc_nfs3_getattr_async(nfs
->rpc
, nfs_stat64_1_cb
, &args
, data
) != 0) {
1544 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send STAT GETATTR call for %s", data
->path
);
1545 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1546 free_nfs_cb_data(data
);
1552 int nfs_stat64_async_internal(struct nfs_context
*nfs
, const char *path
, int no_follow
, nfs_cb cb
, void *private_data
)
1554 if (nfs_lookuppath_async(nfs
, path
, no_follow
, cb
, private_data
, nfs_stat64_continue_internal
, NULL
, NULL
, 0) != 0) {
1555 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
1562 int nfs_stat64_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
1564 return nfs_stat64_async_internal(nfs
, path
, 0, cb
, private_data
);
1567 int nfs_lstat64_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
1569 return nfs_stat64_async_internal(nfs
, path
, 1, cb
, private_data
);
1575 static void nfs_open_trunc_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
1577 struct nfs_cb_data
*data
= private_data
;
1578 struct nfs_context
*nfs
= data
->nfs
;
1579 struct nfsfh
*nfsfh
;
1582 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
1584 if (status
== RPC_STATUS_ERROR
) {
1585 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1586 free_nfs_cb_data(data
);
1589 if (status
== RPC_STATUS_CANCEL
) {
1590 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1591 free_nfs_cb_data(data
);
1596 if (res
->status
!= NFS3_OK
) {
1597 rpc_set_error(nfs
->rpc
, "NFS: Setattr failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
1598 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1599 free_nfs_cb_data(data
);
1603 nfsfh
= malloc(sizeof(struct nfsfh
));
1604 if (nfsfh
== NULL
) {
1605 rpc_set_error(nfs
->rpc
, "NFS: Failed to allocate nfsfh structure");
1606 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1607 free_nfs_cb_data(data
);
1610 memset(nfsfh
, 0, sizeof(struct nfsfh
));
1612 if (data
->continue_int
& O_SYNC
) {
1615 if (data
->continue_int
& O_APPEND
) {
1616 nfsfh
->is_append
= 1;
1619 /* steal the filehandle */
1620 nfsfh
->fh
= data
->fh
;
1621 data
->fh
.data
.data_val
= NULL
;
1623 data
->cb(0, nfs
, nfsfh
, data
->private_data
);
1624 free_nfs_cb_data(data
);
1627 static void nfs_open_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
1630 struct nfs_cb_data
*data
= private_data
;
1631 struct nfs_context
*nfs
= data
->nfs
;
1632 struct nfsfh
*nfsfh
;
1633 unsigned int nfsmode
= 0;
1635 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
1637 if (status
== RPC_STATUS_ERROR
) {
1638 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1639 free_nfs_cb_data(data
);
1642 if (status
== RPC_STATUS_CANCEL
) {
1643 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1644 free_nfs_cb_data(data
);
1649 if (res
->status
!= NFS3_OK
) {
1650 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
));
1651 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1652 free_nfs_cb_data(data
);
1656 if (data
->continue_int
& O_WRONLY
) {
1657 nfsmode
|= ACCESS3_MODIFY
;
1659 if (data
->continue_int
& O_RDWR
) {
1660 nfsmode
|= ACCESS3_READ
|ACCESS3_MODIFY
;
1662 if (!(data
->continue_int
& (O_WRONLY
|O_RDWR
))) {
1663 nfsmode
|= ACCESS3_READ
;
1667 if (res
->ACCESS3res_u
.resok
.access
!= nfsmode
) {
1668 rpc_set_error(nfs
->rpc
, "NFS: ACCESS denied. Required access %c%c%c. Allowed access %c%c%c",
1669 nfsmode
&ACCESS3_READ
?'r':'-',
1670 nfsmode
&ACCESS3_MODIFY
?'w':'-',
1671 nfsmode
&ACCESS3_EXECUTE
?'x':'-',
1672 res
->ACCESS3res_u
.resok
.access
&ACCESS3_READ
?'r':'-',
1673 res
->ACCESS3res_u
.resok
.access
&ACCESS3_MODIFY
?'w':'-',
1674 res
->ACCESS3res_u
.resok
.access
&ACCESS3_EXECUTE
?'x':'-');
1675 data
->cb(-EACCES
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1676 free_nfs_cb_data(data
);
1680 /* Try to truncate it if we were requested to */
1681 if ((data
->continue_int
& O_TRUNC
) &&
1682 (data
->continue_int
& (O_RDWR
|O_WRONLY
))) {
1685 memset(&args
, 0, sizeof(SETATTR3args
));
1686 args
.object
= data
->fh
;
1687 args
.new_attributes
.size
.set_it
= 1;
1688 args
.new_attributes
.size
.set_size3_u
.size
= 0;
1690 if (rpc_nfs3_setattr_async(nfs
->rpc
, nfs_open_trunc_cb
, &args
,
1692 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send "
1693 "SETATTR call for %s", data
->path
);
1694 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
),
1695 data
->private_data
);
1696 free_nfs_cb_data(data
);
1702 nfsfh
= malloc(sizeof(struct nfsfh
));
1703 if (nfsfh
== NULL
) {
1704 rpc_set_error(nfs
->rpc
, "NFS: Failed to allocate nfsfh structure");
1705 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1706 free_nfs_cb_data(data
);
1709 memset(nfsfh
, 0, sizeof(struct nfsfh
));
1711 if (data
->continue_int
& O_SYNC
) {
1714 if (data
->continue_int
& O_APPEND
) {
1715 nfsfh
->is_append
= 1;
1718 /* steal the filehandle */
1719 nfsfh
->fh
= data
->fh
;
1720 data
->fh
.data
.data_val
= NULL
;
1722 data
->cb(0, nfs
, nfsfh
, data
->private_data
);
1723 free_nfs_cb_data(data
);
1726 static int nfs_open_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
1731 if (data
->continue_int
& O_WRONLY
) {
1732 nfsmode
|= ACCESS3_MODIFY
;
1734 if (data
->continue_int
& O_RDWR
) {
1735 nfsmode
|= ACCESS3_READ
|ACCESS3_MODIFY
;
1737 if (!(data
->continue_int
& (O_WRONLY
|O_RDWR
))) {
1738 nfsmode
|= ACCESS3_READ
;
1741 memset(&args
, 0, sizeof(ACCESS3args
));
1742 args
.object
= data
->fh
;
1743 args
.access
= nfsmode
;
1745 if (rpc_nfs3_access_async(nfs
->rpc
, nfs_open_cb
, &args
, data
) != 0) {
1746 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send OPEN ACCESS "
1747 "call for %s", data
->path
);
1748 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
),
1749 data
->private_data
);
1750 free_nfs_cb_data(data
);
1756 int nfs_open_async(struct nfs_context
*nfs
, const char *path
, int flags
, nfs_cb cb
, void *private_data
)
1758 if (nfs_lookuppath_async(nfs
, path
, 0, cb
, private_data
, nfs_open_continue_internal
, NULL
, NULL
, flags
) != 0) {
1759 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
1770 static int nfs_chdir_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
1772 /* steal saved_path */
1774 nfs
->cwd
= data
->saved_path
;
1775 data
->saved_path
= NULL
;
1777 data
->cb(0, nfs
, NULL
, data
->private_data
);
1778 free_nfs_cb_data(data
);
1783 int nfs_chdir_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
1785 if (nfs_lookuppath_async(nfs
, path
, 0, cb
, private_data
, nfs_chdir_continue_internal
, NULL
, NULL
, 0) != 0) {
1786 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
1797 static void nfs_fill_READ3args(READ3args
*args
, struct nfsfh
*fh
, uint64_t offset
, uint64_t count
)
1799 memset(args
, 0, sizeof(READ3args
));
1800 args
->file
= fh
->fh
;
1801 args
->offset
= offset
;
1802 args
->count
= count
;
1805 static void nfs_pread_mcb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
1807 struct nfs_mcb_data
*mdata
= private_data
;
1808 struct nfs_cb_data
*data
= mdata
->data
;
1809 struct nfs_context
*nfs
= data
->nfs
;
1812 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
1816 if (status
== RPC_STATUS_ERROR
) {
1817 /* flag the failure but do not invoke callback until we have received all responses */
1820 if (status
== RPC_STATUS_CANCEL
) {
1821 /* flag the cancellation but do not invoke callback until we have received all responses */
1825 if (status
== RPC_STATUS_SUCCESS
) {
1827 if (res
->status
!= NFS3_OK
) {
1828 rpc_set_error(nfs
->rpc
, "NFS: Read failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
1831 uint64_t count
= res
->READ3res_u
.resok
.count
;
1833 if (mdata
->update_pos
)
1834 data
->nfsfh
->offset
+= count
;
1836 /* if we have more than one call or we have received a short read we need a reassembly buffer */
1837 if (data
->num_calls
|| (count
< mdata
->count
&& !res
->READ3res_u
.resok
.eof
)) {
1838 if (data
->buffer
== NULL
) {
1839 data
->buffer
= malloc(data
->count
);
1840 if (data
->buffer
== NULL
) {
1841 rpc_set_error(nfs
->rpc
, "Out-Of-Memory: Failed to allocate reassembly buffer for %d bytes", (int)data
->count
);
1847 if (count
<= mdata
->count
) {
1848 /* copy data into reassembly buffer if we have one */
1849 if (data
->buffer
!= NULL
) {
1850 memcpy(&data
->buffer
[mdata
->offset
- data
->offset
], res
->READ3res_u
.resok
.data
.data_val
, count
);
1852 if (data
->max_offset
< mdata
->offset
+ count
) {
1853 data
->max_offset
= mdata
->offset
+ count
;
1856 rpc_set_error(nfs
->rpc
, "NFS: Read overflow. Server has sent more data than requested!");
1860 /* check if we have received a short read */
1861 if (count
< mdata
->count
&& !res
->READ3res_u
.resok
.eof
) {
1863 rpc_set_error(nfs
->rpc
, "NFS: Read failed. No bytes read and not at EOF!");
1866 /* reissue reminder of this read request */
1868 mdata
->offset
+= count
;
1869 mdata
->count
-= count
;
1870 nfs_fill_READ3args(&args
, data
->nfsfh
, mdata
->offset
, mdata
->count
);
1871 if (rpc_nfs3_read_async(nfs
->rpc
, nfs_pread_mcb
, &args
, mdata
) == 0) {
1875 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READ call for %s", data
->path
);
1885 if (data
->num_calls
> 0) {
1886 /* still waiting for more replies */
1889 if (data
->oom
!= 0) {
1890 data
->cb(-ENOMEM
, nfs
, command_data
, data
->private_data
);
1891 free_nfs_cb_data(data
);
1894 if (data
->error
!= 0) {
1895 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1896 free_nfs_cb_data(data
);
1899 if (data
->cancel
!= 0) {
1900 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1901 free_nfs_cb_data(data
);
1906 if (data
->max_offset
> data
->org_offset
+ data
->org_count
) {
1907 data
->max_offset
= data
->org_offset
+ data
->org_count
;
1909 data
->cb(data
->max_offset
- data
->org_offset
, nfs
, data
->buffer
+ (data
->org_offset
- data
->offset
), data
->private_data
);
1911 data
->cb(res
->READ3res_u
.resok
.count
, nfs
, res
->READ3res_u
.resok
.data
.data_val
, data
->private_data
);
1914 data
->nfsfh
->ra
.fh_offset
= data
->max_offset
;
1915 if (data
->nfsfh
->ra
.cur_ra
) {
1916 free(data
->nfsfh
->ra
.buf
);
1917 data
->nfsfh
->ra
.buf
= data
->buffer
;
1918 data
->nfsfh
->ra
.buf_offset
= data
->offset
;
1919 data
->nfsfh
->ra
.buf_count
= data
->count
;
1920 data
->nfsfh
->ra
.buf_ts
= time(NULL
);
1921 data
->buffer
= NULL
;
1923 free_nfs_cb_data(data
);
1926 static void nfs_ra_invalidate(struct nfsfh
*nfsfh
) {
1927 free(nfsfh
->ra
.buf
);
1928 nfsfh
->ra
.buf
= NULL
;
1929 nfsfh
->ra
.buf_offset
= 0;
1930 nfsfh
->ra
.buf_count
= 0;
1931 nfsfh
->ra
.buf_ts
= time(NULL
);
1932 nfsfh
->ra
.cur_ra
= NFS_BLKSIZE
;
1935 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
)
1937 struct nfs_cb_data
*data
;
1939 data
= malloc(sizeof(struct nfs_cb_data
));
1941 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_cb_data structure");
1944 memset(data
, 0, sizeof(struct nfs_cb_data
));
1947 data
->private_data
= private_data
;
1948 data
->nfsfh
= nfsfh
;
1949 data
->org_offset
= offset
;
1950 data
->org_count
= count
;
1952 assert(data
->num_calls
== 0);
1954 if (nfs
->rpc
->readahead
&& time(NULL
) - nfsfh
->ra
.buf_ts
> NFS_RA_TIMEOUT
) {
1955 /* readahead cache timeout */
1956 nfs_ra_invalidate(nfsfh
);
1959 if (nfs
->rpc
->readahead
) {
1960 if (offset
>= nfsfh
->ra
.last_offset
&&
1961 offset
- NFS_BLKSIZE
<= nfsfh
->ra
.fh_offset
+ nfsfh
->ra
.cur_ra
) {
1962 if (nfs
->rpc
->readahead
> nfsfh
->ra
.cur_ra
) {
1963 nfsfh
->ra
.cur_ra
<<= 1;
1966 nfsfh
->ra
.cur_ra
= NFS_BLKSIZE
;
1969 nfsfh
->ra
.last_offset
= offset
;
1971 if (nfsfh
->ra
.buf_offset
<= offset
&&
1972 nfsfh
->ra
.buf_offset
+ nfsfh
->ra
.buf_count
>= offset
+ count
) {
1973 /* serve request completely from cache */
1974 data
->buffer
= malloc(count
);
1975 if (data
->buffer
== NULL
) {
1976 free_nfs_cb_data(data
);
1979 memcpy(data
->buffer
, nfsfh
->ra
.buf
+ (offset
- nfsfh
->ra
.buf_offset
), count
);
1980 data
->cb(count
, nfs
, data
->buffer
, data
->private_data
);
1981 nfsfh
->ra
.fh_offset
= offset
+ count
;
1982 free_nfs_cb_data(data
);
1986 /* align start offset to blocksize */
1987 count
+= offset
& (NFS_BLKSIZE
- 1);
1988 offset
&= ~(NFS_BLKSIZE
- 1);
1990 /* align end offset to blocksize and add readahead */
1991 count
+= nfsfh
->ra
.cur_ra
- 1;
1992 count
&= ~(NFS_BLKSIZE
- 1);
1994 data
->buffer
= malloc(count
);
1995 if (data
->buffer
== NULL
) {
1996 free_nfs_cb_data(data
);
1999 data
->offset
= offset
;
2000 data
->count
= count
;
2002 if (nfsfh
->ra
.buf_count
&& nfsfh
->ra
.buf_offset
<= offset
&&
2003 nfsfh
->ra
.buf_offset
+ nfsfh
->ra
.buf_count
>= offset
) {
2004 /* serve request partially from cache */
2005 size_t overlap
= (nfsfh
->ra
.buf_offset
+ nfsfh
->ra
.buf_count
) - offset
;
2006 if (overlap
> count
) count
= overlap
;
2007 memcpy(data
->buffer
, nfsfh
->ra
.buf
+ (offset
- nfsfh
->ra
.buf_offset
), overlap
);
2012 data
->offset
= offset
;
2013 data
->count
= count
;
2016 data
->max_offset
= offset
;
2018 /* chop requests into chunks of at most READMAX bytes if necessary.
2019 * we send all reads in parallel so that performance is still good.
2022 uint64_t readcount
= count
;
2023 struct nfs_mcb_data
*mdata
;
2026 if (readcount
> nfs_get_readmax(nfs
)) {
2027 readcount
= nfs_get_readmax(nfs
);
2030 mdata
= malloc(sizeof(struct nfs_mcb_data
));
2031 if (mdata
== NULL
) {
2032 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_mcb_data structure");
2033 if (data
->num_calls
== 0) {
2034 free_nfs_cb_data(data
);
2040 memset(mdata
, 0, sizeof(struct nfs_mcb_data
));
2042 mdata
->offset
= offset
;
2043 mdata
->count
= readcount
;
2044 mdata
->update_pos
= update_pos
;
2046 nfs_fill_READ3args(&args
, nfsfh
, offset
, readcount
);
2048 if (rpc_nfs3_read_async(nfs
->rpc
, nfs_pread_mcb
, &args
, mdata
) != 0) {
2049 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READ call for %s", data
->path
);
2051 if (data
->num_calls
== 0) {
2052 free_nfs_cb_data(data
);
2060 offset
+= readcount
;
2062 } while (count
> 0);
2067 int nfs_pread_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, uint64_t offset
, uint64_t count
, nfs_cb cb
, void *private_data
)
2069 return nfs_pread_async_internal(nfs
, nfsfh
, offset
, count
, cb
, private_data
, 0);
2075 int nfs_read_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, uint64_t count
, nfs_cb cb
, void *private_data
)
2077 return nfs_pread_async_internal(nfs
, nfsfh
, nfsfh
->offset
, count
, cb
, private_data
, 1);
2085 static void nfs_fill_WRITE3args (WRITE3args
*args
, struct nfsfh
*fh
, uint64_t offset
, uint64_t count
,
2088 memset(args
, 0, sizeof(WRITE3args
));
2089 args
->file
= fh
->fh
;
2090 args
->offset
= offset
;
2091 args
->count
= count
;
2092 args
->stable
= fh
->is_sync
? FILE_SYNC
: UNSTABLE
;
2093 args
->data
.data_len
= count
;
2094 args
->data
.data_val
= buf
;
2097 static void nfs_pwrite_mcb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2099 struct nfs_mcb_data
*mdata
= private_data
;
2100 struct nfs_cb_data
*data
= mdata
->data
;
2101 struct nfs_context
*nfs
= data
->nfs
;
2104 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
2108 if (status
== RPC_STATUS_ERROR
) {
2109 /* flag the failure but do not invoke callback until we have received all responses */
2112 if (status
== RPC_STATUS_CANCEL
) {
2113 /* flag the cancellation but do not invoke callback until we have received all responses */
2117 if (status
== RPC_STATUS_SUCCESS
) {
2119 if (res
->status
!= NFS3_OK
) {
2120 rpc_set_error(nfs
->rpc
, "NFS: Write failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
2123 uint64_t count
= res
->WRITE3res_u
.resok
.count
;
2125 if (mdata
->update_pos
)
2126 data
->nfsfh
->offset
+= count
;
2128 if (count
< mdata
->count
) {
2130 rpc_set_error(nfs
->rpc
, "NFS: Write failed. No bytes written!");
2133 /* reissue reminder of this write request */
2135 mdata
->offset
+= count
;
2136 mdata
->count
-= count
;
2138 nfs_fill_WRITE3args(&args
, data
->nfsfh
, mdata
->offset
, mdata
->count
,
2139 &data
->usrbuf
[mdata
->offset
- data
->offset
]);
2140 if (rpc_nfs3_write_async(nfs
->rpc
, nfs_pwrite_mcb
, &args
, mdata
) == 0) {
2144 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send WRITE call for %s", data
->path
);
2150 if (data
->max_offset
< mdata
->offset
+ count
) {
2151 data
->max_offset
= mdata
->offset
+ count
;
2159 if (data
->num_calls
> 0) {
2160 /* still waiting for more replies */
2163 if (data
->oom
!= 0) {
2164 data
->cb(-ENOMEM
, nfs
, command_data
, data
->private_data
);
2165 free_nfs_cb_data(data
);
2168 if (data
->error
!= 0) {
2169 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2170 free_nfs_cb_data(data
);
2173 if (data
->cancel
!= 0) {
2174 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2175 free_nfs_cb_data(data
);
2179 data
->cb(data
->max_offset
- data
->offset
, nfs
, NULL
, data
->private_data
);
2181 free_nfs_cb_data(data
);
2185 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
)
2187 struct nfs_cb_data
*data
;
2189 data
= malloc(sizeof(struct nfs_cb_data
));
2191 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_cb_data structure");
2194 memset(data
, 0, sizeof(struct nfs_cb_data
));
2197 data
->private_data
= private_data
;
2198 data
->nfsfh
= nfsfh
;
2201 /* hello, clang-analyzer */
2202 assert(data
->num_calls
== 0);
2204 /* chop requests into chunks of at most WRITEMAX bytes if necessary.
2205 * we send all writes in parallel so that performance is still good.
2207 data
->max_offset
= offset
;
2208 data
->offset
= offset
;
2211 uint64_t writecount
= count
;
2212 struct nfs_mcb_data
*mdata
;
2215 if (writecount
> nfs_get_writemax(nfs
)) {
2216 writecount
= nfs_get_writemax(nfs
);
2219 mdata
= malloc(sizeof(struct nfs_mcb_data
));
2220 if (mdata
== NULL
) {
2221 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_mcb_data structure");
2222 if (data
->num_calls
== 0) {
2223 free_nfs_cb_data(data
);
2229 memset(mdata
, 0, sizeof(struct nfs_mcb_data
));
2231 mdata
->offset
= offset
;
2232 mdata
->count
= writecount
;
2233 mdata
->update_pos
= update_pos
;
2235 nfs_fill_WRITE3args(&args
, nfsfh
, offset
, writecount
, &buf
[offset
- data
->offset
]);
2237 if (rpc_nfs3_write_async(nfs
->rpc
, nfs_pwrite_mcb
, &args
, mdata
) != 0) {
2238 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send WRITE call for %s", data
->path
);
2240 if (data
->num_calls
== 0) {
2241 free_nfs_cb_data(data
);
2248 count
-= writecount
;
2249 offset
+= writecount
;
2251 } while (count
> 0);
2256 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
)
2258 return nfs_pwrite_async_internal(nfs
, nfsfh
, offset
, count
, buf
, cb
, private_data
, 0);
2264 static void nfs_write_append_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2266 struct nfs_cb_data
*data
= private_data
;
2267 struct nfs_context
*nfs
= data
->nfs
;
2270 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
2272 if (status
== RPC_STATUS_ERROR
) {
2273 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2274 free_nfs_cb_data(data
);
2277 if (status
== RPC_STATUS_CANCEL
) {
2278 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2279 free_nfs_cb_data(data
);
2284 if (res
->status
!= NFS3_OK
) {
2285 rpc_set_error(nfs
->rpc
, "NFS: GETATTR failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
2286 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2287 free_nfs_cb_data(data
);
2291 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) {
2292 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2293 free_nfs_cb_data(data
);
2296 free_nfs_cb_data(data
);
2299 int nfs_write_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, uint64_t count
, char *buf
, nfs_cb cb
, void *private_data
)
2301 nfs_ra_invalidate(nfsfh
);
2302 if (nfsfh
->is_append
) {
2303 struct GETATTR3args args
;
2304 struct nfs_cb_data
*data
;
2306 data
= malloc(sizeof(struct nfs_cb_data
));
2308 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_cb_data structure");
2311 memset(data
, 0, sizeof(struct nfs_cb_data
));
2314 data
->private_data
= private_data
;
2315 data
->nfsfh
= nfsfh
;
2317 data
->count
= count
;
2319 memset(&args
, 0, sizeof(GETATTR3args
));
2320 args
.object
= nfsfh
->fh
;
2322 if (rpc_nfs3_getattr_async(nfs
->rpc
, nfs_write_append_cb
, &args
, data
) != 0) {
2323 rpc_set_error(nfs
->rpc
, "out of memory: failed to send GETATTR");
2324 free_nfs_cb_data(data
);
2329 return nfs_pwrite_async_internal(nfs
, nfsfh
, nfsfh
->offset
, count
, buf
, cb
, private_data
, 1);
2339 int nfs_close_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, nfs_cb cb
, void *private_data
)
2342 cb(0, nfs
, NULL
, private_data
);
2353 int nfs_fstat_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, nfs_cb cb
, void *private_data
)
2355 struct nfs_cb_data
*data
;
2356 struct GETATTR3args args
;
2358 data
= malloc(sizeof(struct nfs_cb_data
));
2360 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_cb_data structure");
2363 memset(data
, 0, sizeof(struct nfs_cb_data
));
2366 data
->private_data
= private_data
;
2368 memset(&args
, 0, sizeof(GETATTR3args
));
2369 args
.object
= nfsfh
->fh
;
2371 if (rpc_nfs3_getattr_async(nfs
->rpc
, nfs_stat_1_cb
, &args
, data
) != 0) {
2372 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send STAT GETATTR call for %s", data
->path
);
2373 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2374 free_nfs_cb_data(data
);
2383 int nfs_fstat64_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, nfs_cb cb
, void *private_data
)
2385 struct nfs_cb_data
*data
;
2386 struct GETATTR3args args
;
2388 data
= malloc(sizeof(struct nfs_cb_data
));
2390 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_cb_data structure");
2393 memset(data
, 0, sizeof(struct nfs_cb_data
));
2396 data
->private_data
= private_data
;
2398 memset(&args
, 0, sizeof(GETATTR3args
));
2399 args
.object
= nfsfh
->fh
;
2401 if (rpc_nfs3_getattr_async(nfs
->rpc
, nfs_stat64_1_cb
, &args
, data
) != 0) {
2402 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send STAT GETATTR call for %s", data
->path
);
2403 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2404 free_nfs_cb_data(data
);
2415 static void nfs_fsync_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2417 struct nfs_cb_data
*data
= private_data
;
2418 struct nfs_context
*nfs
= data
->nfs
;
2421 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
2423 if (status
== RPC_STATUS_ERROR
) {
2424 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2425 free_nfs_cb_data(data
);
2428 if (status
== RPC_STATUS_CANCEL
) {
2429 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2430 free_nfs_cb_data(data
);
2435 if (res
->status
!= NFS3_OK
) {
2436 rpc_set_error(nfs
->rpc
, "NFS: Commit failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
2437 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2438 free_nfs_cb_data(data
);
2442 data
->cb(0, nfs
, NULL
, data
->private_data
);
2443 free_nfs_cb_data(data
);
2446 int nfs_fsync_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, nfs_cb cb
, void *private_data
)
2448 struct nfs_cb_data
*data
;
2449 struct COMMIT3args args
;
2451 data
= malloc(sizeof(struct nfs_cb_data
));
2453 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_cb_data structure");
2456 memset(data
, 0, sizeof(struct nfs_cb_data
));
2459 data
->private_data
= private_data
;
2461 args
.file
= nfsfh
->fh
;
2464 if (rpc_nfs3_commit_async(nfs
->rpc
, nfs_fsync_cb
, &args
, data
) != 0) {
2465 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send COMMIT call for %s", data
->path
);
2466 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2467 free_nfs_cb_data(data
);
2479 static void nfs_ftruncate_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2481 struct nfs_cb_data
*data
= private_data
;
2482 struct nfs_context
*nfs
= data
->nfs
;
2485 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
2487 if (status
== RPC_STATUS_ERROR
) {
2488 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2489 free_nfs_cb_data(data
);
2492 if (status
== RPC_STATUS_CANCEL
) {
2493 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2494 free_nfs_cb_data(data
);
2499 if (res
->status
!= NFS3_OK
) {
2500 rpc_set_error(nfs
->rpc
, "NFS: Setattr failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
2501 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2502 free_nfs_cb_data(data
);
2506 data
->cb(0, nfs
, NULL
, data
->private_data
);
2507 free_nfs_cb_data(data
);
2510 int nfs_ftruncate_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, uint64_t length
, nfs_cb cb
, void *private_data
)
2512 struct nfs_cb_data
*data
;
2515 data
= malloc(sizeof(struct nfs_cb_data
));
2517 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_cb_data structure");
2520 memset(data
, 0, sizeof(struct nfs_cb_data
));
2523 data
->private_data
= private_data
;
2525 memset(&args
, 0, sizeof(SETATTR3args
));
2526 args
.object
= nfsfh
->fh
;
2527 args
.new_attributes
.size
.set_it
= 1;
2528 args
.new_attributes
.size
.set_size3_u
.size
= length
;
2530 if (rpc_nfs3_setattr_async(nfs
->rpc
, nfs_ftruncate_cb
, &args
, data
) != 0) {
2531 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SETATTR call for %s", data
->path
);
2532 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2533 free_nfs_cb_data(data
);
2543 static int nfs_truncate_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
2545 uint64_t offset
= data
->continue_int
;
2548 nfsfh
.fh
= data
->fh
;
2550 if (nfs_ftruncate_async(nfs
, &nfsfh
, offset
, data
->cb
, data
->private_data
) != 0) {
2551 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SETATTR call for %s", data
->path
);
2552 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2553 free_nfs_cb_data(data
);
2556 free_nfs_cb_data(data
);
2560 int nfs_truncate_async(struct nfs_context
*nfs
, const char *path
, uint64_t length
, nfs_cb cb
, void *private_data
)
2566 if (nfs_lookuppath_async(nfs
, path
, 0, cb
, private_data
, nfs_truncate_continue_internal
, NULL
, NULL
, offset
) != 0) {
2567 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
2580 static void nfs_mkdir_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2583 struct nfs_cb_data
*data
= private_data
;
2584 struct nfs_context
*nfs
= data
->nfs
;
2585 char *str
= data
->continue_data
;
2587 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
2589 str
= &str
[strlen(str
) + 1];
2591 if (status
== RPC_STATUS_ERROR
) {
2592 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2593 free_nfs_cb_data(data
);
2596 if (status
== RPC_STATUS_CANCEL
) {
2597 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2598 free_nfs_cb_data(data
);
2603 if (res
->status
!= NFS3_OK
) {
2604 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
));
2605 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2606 free_nfs_cb_data(data
);
2610 data
->cb(0, nfs
, NULL
, data
->private_data
);
2611 free_nfs_cb_data(data
);
2614 static int nfs_mkdir_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
2616 char *str
= data
->continue_data
;
2619 str
= &str
[strlen(str
) + 1];
2621 memset(&args
, 0, sizeof(MKDIR3args
));
2622 args
.where
.dir
= data
->fh
;
2623 args
.where
.name
= str
;
2624 args
.attributes
.mode
.set_it
= 1;
2625 args
.attributes
.mode
.set_mode3_u
.mode
= 0755;
2627 if (rpc_nfs3_mkdir_async(nfs
->rpc
, nfs_mkdir_cb
, &args
, data
) != 0) {
2628 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send MKDIR call for %s", data
->path
);
2629 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2630 free_nfs_cb_data(data
);
2636 int nfs_mkdir_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
2641 new_path
= strdup(path
);
2642 if (new_path
== NULL
) {
2643 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for path");
2647 ptr
= strrchr(new_path
, '/');
2650 rpc_set_error(nfs
->rpc
, "Invalid path %s", path
);
2655 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
2656 if (nfs_lookuppath_async(nfs
, new_path
, 0, cb
, private_data
, nfs_mkdir_continue_internal
, new_path
, free
, 0) != 0) {
2657 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path component");
2671 static void nfs_rmdir_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2674 struct nfs_cb_data
*data
= private_data
;
2675 struct nfs_context
*nfs
= data
->nfs
;
2676 char *str
= data
->continue_data
;
2678 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
2680 str
= &str
[strlen(str
) + 1];
2682 if (status
== RPC_STATUS_ERROR
) {
2683 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2684 free_nfs_cb_data(data
);
2687 if (status
== RPC_STATUS_CANCEL
) {
2688 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2689 free_nfs_cb_data(data
);
2694 if (res
->status
!= NFS3_OK
) {
2695 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
));
2696 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2697 free_nfs_cb_data(data
);
2701 data
->cb(0, nfs
, NULL
, data
->private_data
);
2702 free_nfs_cb_data(data
);
2705 static int nfs_rmdir_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
2707 char *str
= data
->continue_data
;
2710 str
= &str
[strlen(str
) + 1];
2712 args
.object
.dir
= data
->fh
;
2713 args
.object
.name
= str
;
2714 if (rpc_nfs3_rmdir_async(nfs
->rpc
, nfs_rmdir_cb
, &args
, data
) != 0) {
2715 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send RMDIR call for %s", data
->path
);
2716 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2717 free_nfs_cb_data(data
);
2723 int nfs_rmdir_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
2728 new_path
= strdup(path
);
2729 if (new_path
== NULL
) {
2730 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for path");
2734 ptr
= strrchr(new_path
, '/');
2737 rpc_set_error(nfs
->rpc
, "Invalid path %s", path
);
2742 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
2743 if (nfs_lookuppath_async(nfs
, new_path
, 0, cb
, private_data
, nfs_rmdir_continue_internal
, new_path
, free
, 0) != 0) {
2744 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
2757 struct create_cb_data
{
2763 static void free_create_cb_data(void *ptr
)
2765 struct create_cb_data
*data
= ptr
;
2771 static void nfs_create_trunc_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2773 struct nfs_cb_data
*data
= private_data
;
2774 struct nfs_context
*nfs
= data
->nfs
;
2775 struct nfsfh
*nfsfh
= data
->nfsfh
;
2778 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
2780 if (status
== RPC_STATUS_ERROR
) {
2781 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2782 free_nfs_cb_data(data
);
2786 if (status
== RPC_STATUS_CANCEL
) {
2787 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2788 free_nfs_cb_data(data
);
2794 if (res
->status
!= NFS3_OK
) {
2795 rpc_set_error(nfs
->rpc
, "NFS: Setattr failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
2796 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2797 free_nfs_cb_data(data
);
2802 data
->cb(0, nfs
, nfsfh
, data
->private_data
);
2803 free_nfs_cb_data(data
);
2806 static void nfs_create_2_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2809 struct nfs_cb_data
*data
= private_data
;
2810 struct nfs_context
*nfs
= data
->nfs
;
2811 struct nfsfh
*nfsfh
;
2812 struct create_cb_data
*cb_data
= data
->continue_data
;
2813 char *str
= cb_data
->path
;
2815 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
2817 if (status
== RPC_STATUS_ERROR
) {
2818 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2819 free_nfs_cb_data(data
);
2822 if (status
== RPC_STATUS_CANCEL
) {
2823 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2824 free_nfs_cb_data(data
);
2828 str
= &str
[strlen(str
) + 1];
2830 if (res
->status
!= NFS3_OK
) {
2831 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
));
2832 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2837 nfsfh
= malloc(sizeof(struct nfsfh
));
2838 if (nfsfh
== NULL
) {
2839 rpc_set_error(nfs
->rpc
, "NFS: Failed to allocate nfsfh structure");
2840 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2841 free_nfs_cb_data(data
);
2844 memset(nfsfh
, 0, sizeof(struct nfsfh
));
2846 if (cb_data
->flags
& O_SYNC
) {
2849 if (cb_data
->flags
& O_APPEND
) {
2850 nfsfh
->is_append
= 1;
2853 /* copy the filehandle */
2854 nfsfh
->fh
.data
.data_len
= res
->LOOKUP3res_u
.resok
.object
.data
.data_len
;
2855 nfsfh
->fh
.data
.data_val
= malloc(nfsfh
->fh
.data
.data_len
);
2856 if (nfsfh
->fh
.data
.data_val
== NULL
) {
2857 rpc_set_error(nfs
->rpc
, "Out of memory: Failed to allocate fh structure");
2858 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2859 free_nfs_cb_data(data
);
2863 memcpy(nfsfh
->fh
.data
.data_val
, res
->LOOKUP3res_u
.resok
.object
.data
.data_val
, nfsfh
->fh
.data
.data_len
);
2865 /* Try to truncate it if we were requested to */
2866 if (cb_data
->flags
& O_TRUNC
) {
2869 data
->nfsfh
= nfsfh
;
2871 memset(&args
, 0, sizeof(SETATTR3args
));
2872 args
.object
= nfsfh
->fh
;
2873 args
.new_attributes
.size
.set_it
= 1;
2874 args
.new_attributes
.size
.set_size3_u
.size
= 0;
2876 if (rpc_nfs3_setattr_async(nfs
->rpc
, nfs_create_trunc_cb
,
2877 &args
, data
) != 0) {
2878 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send "
2879 "SETATTR call for %s", data
->path
);
2880 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
),
2881 data
->private_data
);
2882 free_nfs_cb_data(data
);
2889 data
->cb(0, nfs
, nfsfh
, data
->private_data
);
2890 free_nfs_cb_data(data
);
2895 static void nfs_create_1_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2898 struct nfs_cb_data
*data
= private_data
;
2899 struct nfs_context
*nfs
= data
->nfs
;
2900 struct create_cb_data
*cb_data
= data
->continue_data
;
2901 char *str
= cb_data
->path
;
2904 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
2906 if (status
== RPC_STATUS_ERROR
) {
2907 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2908 free_nfs_cb_data(data
);
2911 if (status
== RPC_STATUS_CANCEL
) {
2912 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2913 free_nfs_cb_data(data
);
2917 str
= &str
[strlen(str
) + 1];
2919 if (res
->status
!= NFS3_OK
) {
2920 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
));
2921 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2922 free_nfs_cb_data(data
);
2926 memset(&args
, 0, sizeof(LOOKUP3args
));
2927 args
.what
.dir
= data
->fh
;
2928 args
.what
.name
= str
;
2930 if (rpc_nfs3_lookup_async(nfs
->rpc
, nfs_create_2_cb
, &args
, data
) != 0) {
2931 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send lookup call for %s/%s", data
->saved_path
, str
);
2932 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2933 free_nfs_cb_data(data
);
2939 static int nfs_create_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
2941 struct create_cb_data
*cb_data
= data
->continue_data
;
2942 char *str
= cb_data
->path
;
2945 str
= &str
[strlen(str
) + 1];
2947 memset(&args
, 0, sizeof(CREATE3args
));
2948 args
.where
.dir
= data
->fh
;
2949 args
.where
.name
= str
;
2950 args
.how
.mode
= (cb_data
->flags
& O_EXCL
) ? GUARDED
: UNCHECKED
;
2951 args
.how
.createhow3_u
.obj_attributes
.mode
.set_it
= 1;
2952 args
.how
.createhow3_u
.obj_attributes
.mode
.set_mode3_u
.mode
= cb_data
->mode
;
2954 if (rpc_nfs3_create_async(nfs
->rpc
, nfs_create_1_cb
, &args
, data
) != 0) {
2955 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send CREATE call for %s/%s", data
->path
, str
);
2956 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2957 free_nfs_cb_data(data
);
2963 int nfs_create_async(struct nfs_context
*nfs
, const char *path
, int flags
, int mode
, nfs_cb cb
, void *private_data
)
2965 struct create_cb_data
*cb_data
;
2968 cb_data
= malloc(sizeof(struct create_cb_data
));
2969 if (cb_data
== NULL
) {
2970 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for cb data");
2974 cb_data
->path
= strdup(path
);
2975 if (cb_data
->path
== NULL
) {
2976 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for path");
2981 ptr
= strrchr(cb_data
->path
, '/');
2983 rpc_set_error(nfs
->rpc
, "Invalid path %s", path
);
2984 free_create_cb_data(cb_data
);
2989 cb_data
->flags
= flags
;
2990 cb_data
->mode
= mode
;
2992 /* new_path now points to the parent directory, and beyond the nul terminator is the new directory to create */
2993 if (nfs_lookuppath_async(nfs
, cb_data
->path
, 0, cb
, private_data
, nfs_create_continue_internal
, cb_data
, free_create_cb_data
, 0) != 0) {
2994 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
3001 int nfs_creat_async(struct nfs_context
*nfs
, const char *path
, int mode
, nfs_cb cb
, void *private_data
)
3003 return nfs_create_async(nfs
, path
, 0, mode
, cb
, private_data
);
3012 static void nfs_unlink_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
3015 struct nfs_cb_data
*data
= private_data
;
3016 struct nfs_context
*nfs
= data
->nfs
;
3017 char *str
= data
->continue_data
;
3019 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
3021 str
= &str
[strlen(str
) + 1];
3023 if (status
== RPC_STATUS_ERROR
) {
3024 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
3025 free_nfs_cb_data(data
);
3028 if (status
== RPC_STATUS_CANCEL
) {
3029 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
3030 free_nfs_cb_data(data
);
3035 if (res
->status
!= NFS3_OK
) {
3036 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
));
3037 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3038 free_nfs_cb_data(data
);
3042 data
->cb(0, nfs
, NULL
, data
->private_data
);
3043 free_nfs_cb_data(data
);
3046 static int nfs_unlink_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
3048 char *str
= data
->continue_data
;
3049 struct REMOVE3args args
;
3051 str
= &str
[strlen(str
) + 1];
3053 args
.object
.dir
= data
->fh
;
3054 args
.object
.name
= str
;
3055 if (rpc_nfs3_remove_async(nfs
->rpc
, nfs_unlink_cb
, &args
, data
) != 0) {
3056 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send REMOVE call for %s", data
->path
);
3057 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3058 free_nfs_cb_data(data
);
3064 int nfs_unlink_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
3069 new_path
= strdup(path
);
3070 if (new_path
== NULL
) {
3071 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for path");
3075 ptr
= strrchr(new_path
, '/');
3078 rpc_set_error(nfs
->rpc
, "Invalid path %s", path
);
3083 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
3084 if (nfs_lookuppath_async(nfs
, new_path
, 0, cb
, private_data
, nfs_unlink_continue_internal
, new_path
, free
, 0) != 0) {
3085 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
3096 struct mknod_cb_data
{
3103 static void free_mknod_cb_data(void *ptr
)
3105 struct mknod_cb_data
*data
= ptr
;
3111 static void nfs_mknod_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
3114 struct nfs_cb_data
*data
= private_data
;
3115 struct nfs_context
*nfs
= data
->nfs
;
3116 char *str
= data
->continue_data
;
3118 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
3120 str
= &str
[strlen(str
) + 1];
3122 if (status
== RPC_STATUS_ERROR
) {
3123 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
3124 free_nfs_cb_data(data
);
3127 if (status
== RPC_STATUS_CANCEL
) {
3128 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
3129 free_nfs_cb_data(data
);
3134 if (res
->status
!= NFS3_OK
) {
3135 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
));
3136 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3137 free_nfs_cb_data(data
);
3141 data
->cb(0, nfs
, NULL
, data
->private_data
);
3142 free_nfs_cb_data(data
);
3145 static int nfs_mknod_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
3147 struct mknod_cb_data
*cb_data
= data
->continue_data
;
3148 char *str
= cb_data
->path
;
3151 str
= &str
[strlen(str
) + 1];
3153 args
.where
.dir
= data
->fh
;
3154 args
.where
.name
= str
;
3155 switch (cb_data
->mode
& S_IFMT
) {
3157 args
.what
.type
= NF3CHR
;
3158 args
.what
.mknoddata3_u
.chr_device
.dev_attributes
.mode
.set_it
= 1;
3159 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
);
3160 args
.what
.mknoddata3_u
.chr_device
.spec
.specdata1
= cb_data
->major
;
3161 args
.what
.mknoddata3_u
.chr_device
.spec
.specdata2
= cb_data
->minor
;
3164 args
.what
.type
= NF3BLK
;
3165 args
.what
.mknoddata3_u
.blk_device
.dev_attributes
.mode
.set_it
= 1;
3166 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
);
3167 args
.what
.mknoddata3_u
.blk_device
.spec
.specdata1
= cb_data
->major
;
3168 args
.what
.mknoddata3_u
.blk_device
.spec
.specdata2
= cb_data
->minor
;
3170 args
.what
.type
= NF3SOCK
;
3171 args
.what
.mknoddata3_u
.sock_attributes
.mode
.set_it
= 1;
3172 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
);
3175 args
.what
.type
= NF3FIFO
;
3176 args
.what
.mknoddata3_u
.pipe_attributes
.mode
.set_it
= 1;
3177 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
);
3180 rpc_set_error(nfs
->rpc
, "Invalid file type for NFS3/MKNOD call");
3181 data
->cb(-EINVAL
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3182 free_nfs_cb_data(data
);
3186 if (rpc_nfs3_mknod_async(nfs
->rpc
, nfs_mknod_cb
, &args
, data
) != 0) {
3187 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3188 free_nfs_cb_data(data
);
3194 int nfs_mknod_async(struct nfs_context
*nfs
, const char *path
, int mode
, int dev
, nfs_cb cb
, void *private_data
)
3197 struct mknod_cb_data
*cb_data
;
3199 cb_data
= malloc(sizeof(struct mknod_cb_data
));
3200 if (cb_data
== NULL
) {
3201 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for cb data");
3205 cb_data
->path
= strdup(path
);
3206 if (cb_data
->path
== NULL
) {
3207 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for path");
3212 ptr
= strrchr(cb_data
->path
, '/');
3214 rpc_set_error(nfs
->rpc
, "Invalid path %s", path
);
3215 free_mknod_cb_data(cb_data
);
3220 cb_data
->mode
= mode
;
3221 cb_data
->major
= major(dev
);
3222 cb_data
->minor
= minor(dev
);
3224 /* data->path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
3225 if (nfs_lookuppath_async(nfs
, cb_data
->path
, 0, cb
, private_data
, nfs_mknod_continue_internal
, cb_data
, free_mknod_cb_data
, 0) != 0) {
3226 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
3237 /* ReadDirPlus Emulation Callback data */
3238 struct rdpe_cb_data
{
3241 struct nfs_cb_data
*data
;
3244 /* ReadDirPlus Emulation LOOKUP Callback data */
3245 struct rdpe_lookup_cb_data
{
3246 struct rdpe_cb_data
*rdpe_cb_data
;
3247 struct nfsdirent
*nfsdirent
;
3250 /* Workaround for servers lacking READDIRPLUS, use READDIR instead and a GETATTR-loop */
3251 static void nfs_opendir3_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
3253 LOOKUP3res
*res
= command_data
;
3254 struct rdpe_lookup_cb_data
*rdpe_lookup_cb_data
= private_data
;
3255 struct rdpe_cb_data
*rdpe_cb_data
= rdpe_lookup_cb_data
->rdpe_cb_data
;
3256 struct nfs_cb_data
*data
= rdpe_cb_data
->data
;
3257 struct nfsdir
*nfsdir
= data
->continue_data
;
3258 struct nfs_context
*nfs
= data
->nfs
;
3259 struct nfsdirent
*nfsdirent
= rdpe_lookup_cb_data
->nfsdirent
;
3261 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
3263 free(rdpe_lookup_cb_data
);
3265 rdpe_cb_data
->getattrcount
--;
3267 if (status
== RPC_STATUS_ERROR
) {
3268 rpc_set_error(nfs
->rpc
, "LOOKUP during READDIRPLUS emulation "
3269 "failed with RPC_STATUS_ERROR");
3270 rdpe_cb_data
->status
= RPC_STATUS_ERROR
;
3272 if (status
== RPC_STATUS_CANCEL
) {
3273 rpc_set_error(nfs
->rpc
, "LOOKUP during READDIRPLUS emulation "
3274 "failed with RPC_STATUS_CANCEL");
3275 rdpe_cb_data
->status
= RPC_STATUS_CANCEL
;
3277 if (status
== RPC_STATUS_SUCCESS
&& res
->status
== NFS3_OK
) {
3278 if (res
->LOOKUP3res_u
.resok
.obj_attributes
.attributes_follow
) {
3279 fattr3
*attributes
= &res
->LOOKUP3res_u
.resok
.obj_attributes
.post_op_attr_u
.attributes
;
3281 nfsdirent
->type
= attributes
->type
;
3282 nfsdirent
->mode
= attributes
->mode
;
3283 nfsdirent
->size
= attributes
->size
;
3285 nfsdirent
->atime
.tv_sec
= attributes
->atime
.seconds
;
3286 nfsdirent
->atime
.tv_usec
= attributes
->atime
.nseconds
/1000;
3287 nfsdirent
->atime_nsec
= attributes
->atime
.nseconds
;
3288 nfsdirent
->mtime
.tv_sec
= attributes
->mtime
.seconds
;
3289 nfsdirent
->mtime
.tv_usec
= attributes
->mtime
.nseconds
/1000;
3290 nfsdirent
->mtime_nsec
= attributes
->mtime
.nseconds
;
3291 nfsdirent
->ctime
.tv_sec
= attributes
->ctime
.seconds
;
3292 nfsdirent
->ctime
.tv_usec
= attributes
->ctime
.nseconds
/1000;
3293 nfsdirent
->ctime_nsec
= attributes
->ctime
.nseconds
;
3294 nfsdirent
->uid
= attributes
->uid
;
3295 nfsdirent
->gid
= attributes
->gid
;
3296 nfsdirent
->nlink
= attributes
->nlink
;
3297 nfsdirent
->dev
= attributes
->fsid
;
3298 nfsdirent
->rdev
= specdata3_to_rdev(&attributes
->rdev
);
3299 nfsdirent
->blksize
= NFS_BLKSIZE
;
3300 nfsdirent
->blocks
= (attributes
->used
+ 512 - 1) / 512;
3301 nfsdirent
->used
= attributes
->used
;
3305 if (rdpe_cb_data
->getattrcount
== 0) {
3306 if (rdpe_cb_data
->status
!= RPC_STATUS_SUCCESS
) {
3307 rpc_set_error(nfs
->rpc
, "READDIRPLUS emulation "
3308 "failed: %s", rpc_get_error(rpc
));
3309 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
),
3310 data
->private_data
);
3311 nfs_free_nfsdir(nfsdir
);
3313 data
->cb(0, nfs
, nfsdir
, data
->private_data
);
3317 data
->continue_data
= NULL
;
3318 free_nfs_cb_data(data
);
3322 static void nfs_opendir2_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
3324 READDIR3res
*res
= command_data
;
3325 struct nfs_cb_data
*data
= private_data
;
3326 struct nfs_context
*nfs
= data
->nfs
;
3327 struct nfsdir
*nfsdir
= data
->continue_data
;
3328 struct nfsdirent
*nfsdirent
;
3329 struct entry3
*entry
;
3330 uint64_t cookie
= 0;
3331 struct rdpe_cb_data
*rdpe_cb_data
;
3333 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
3335 if (status
== RPC_STATUS_ERROR
) {
3336 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
3337 nfs_free_nfsdir(nfsdir
);
3338 data
->continue_data
= NULL
;
3339 free_nfs_cb_data(data
);
3343 if (status
== RPC_STATUS_CANCEL
) {
3344 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
3345 nfs_free_nfsdir(nfsdir
);
3346 data
->continue_data
= NULL
;
3347 free_nfs_cb_data(data
);
3351 if (res
->status
!= NFS3_OK
) {
3352 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
));
3353 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3354 nfs_free_nfsdir(nfsdir
);
3355 data
->continue_data
= NULL
;
3356 free_nfs_cb_data(data
);
3360 entry
=res
->READDIR3res_u
.resok
.reply
.entries
;
3361 while (entry
!= NULL
) {
3362 nfsdirent
= malloc(sizeof(struct nfsdirent
));
3363 if (nfsdirent
== NULL
) {
3364 data
->cb(-ENOMEM
, nfs
, "Failed to allocate dirent", data
->private_data
);
3365 nfs_free_nfsdir(nfsdir
);
3366 data
->continue_data
= NULL
;
3367 free_nfs_cb_data(data
);
3370 memset(nfsdirent
, 0, sizeof(struct nfsdirent
));
3371 nfsdirent
->name
= strdup(entry
->name
);
3372 if (nfsdirent
->name
== NULL
) {
3373 data
->cb(-ENOMEM
, nfs
, "Failed to allocate dirent->name", data
->private_data
);
3375 nfs_free_nfsdir(nfsdir
);
3376 data
->continue_data
= NULL
;
3377 free_nfs_cb_data(data
);
3380 nfsdirent
->inode
= entry
->fileid
;
3382 nfsdirent
->next
= nfsdir
->entries
;
3383 nfsdir
->entries
= nfsdirent
;
3385 cookie
= entry
->cookie
;
3386 entry
= entry
->nextentry
;
3389 if (res
->READDIR3res_u
.resok
.reply
.eof
== 0) {
3392 args
.dir
= data
->fh
;
3393 args
.cookie
= cookie
;
3394 memcpy(&args
.cookieverf
, res
->READDIR3res_u
.resok
.cookieverf
, sizeof(cookieverf3
));
3397 if (rpc_nfs3_readdir_async(nfs
->rpc
, nfs_opendir2_cb
, &args
, data
) != 0) {
3398 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READDIR call for %s", data
->path
);
3399 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3400 nfs_free_nfsdir(nfsdir
);
3401 data
->continue_data
= NULL
;
3402 free_nfs_cb_data(data
);
3408 if (res
->READDIR3res_u
.resok
.dir_attributes
.attributes_follow
)
3409 nfsdir
->attr
= res
->READDIR3res_u
.resok
.dir_attributes
.post_op_attr_u
.attributes
;
3411 /* steal the dirhandle */
3412 nfsdir
->current
= nfsdir
->entries
;
3414 if (nfsdir
->entries
) {
3415 rdpe_cb_data
= malloc(sizeof(struct rdpe_cb_data
));
3416 rdpe_cb_data
->getattrcount
= 0;
3417 rdpe_cb_data
->status
= RPC_STATUS_SUCCESS
;
3418 rdpe_cb_data
->data
= data
;
3419 for (nfsdirent
= nfsdir
->entries
; nfsdirent
; nfsdirent
= nfsdirent
->next
) {
3420 struct rdpe_lookup_cb_data
*rdpe_lookup_cb_data
;
3423 rdpe_lookup_cb_data
= malloc(sizeof(struct rdpe_lookup_cb_data
));
3424 rdpe_lookup_cb_data
->rdpe_cb_data
= rdpe_cb_data
;
3425 rdpe_lookup_cb_data
->nfsdirent
= nfsdirent
;
3427 memset(&args
, 0, sizeof(LOOKUP3args
));
3428 args
.what
.dir
= data
->fh
;
3429 args
.what
.name
= nfsdirent
->name
;
3431 if (rpc_nfs3_lookup_async(nfs
->rpc
, nfs_opendir3_cb
, &args
, rdpe_lookup_cb_data
) != 0) {
3432 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READDIR LOOKUP call");
3434 /* if we have already commands in flight, we cant just stop, we have to wait for the
3435 * commands in flight to complete
3437 if (rdpe_cb_data
->getattrcount
> 0) {
3438 nfs_free_nfsdir(nfsdir
);
3439 data
->continue_data
= NULL
;
3440 free_nfs_cb_data(data
);
3441 rdpe_cb_data
->status
= RPC_STATUS_ERROR
;
3442 free(rdpe_lookup_cb_data
);
3446 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3447 nfs_free_nfsdir(nfsdir
);
3448 data
->continue_data
= NULL
;
3449 free_nfs_cb_data(data
);
3450 free(rdpe_lookup_cb_data
);
3454 rdpe_cb_data
->getattrcount
++;
3459 static void nfs_opendir_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
3461 READDIRPLUS3res
*res
= command_data
;
3462 struct nfs_cb_data
*data
= private_data
;
3463 struct nfs_context
*nfs
= data
->nfs
;
3464 struct nfsdir
*nfsdir
= data
->continue_data
;
3465 struct entryplus3
*entry
;
3466 uint64_t cookie
= 0;
3468 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
3470 if (status
== RPC_STATUS_ERROR
|| (status
== RPC_STATUS_SUCCESS
&& res
->status
== NFS3ERR_NOTSUPP
) ){
3473 args
.dir
= data
->fh
;
3474 args
.cookie
= cookie
;
3475 memset(&args
.cookieverf
, 0, sizeof(cookieverf3
));
3478 if (rpc_nfs3_readdir_async(nfs
->rpc
, nfs_opendir2_cb
, &args
, data
) != 0) {
3479 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READDIR call for %s", data
->path
);
3480 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3481 nfs_free_nfsdir(nfsdir
);
3482 data
->continue_data
= NULL
;
3483 free_nfs_cb_data(data
);
3489 if (status
== RPC_STATUS_CANCEL
) {
3490 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
3491 nfs_free_nfsdir(nfsdir
);
3492 data
->continue_data
= NULL
;
3493 free_nfs_cb_data(data
);
3497 if (res
->status
!= NFS3_OK
) {
3498 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
));
3499 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3500 nfs_free_nfsdir(nfsdir
);
3501 data
->continue_data
= NULL
;
3502 free_nfs_cb_data(data
);
3506 entry
=res
->READDIRPLUS3res_u
.resok
.reply
.entries
;
3507 while (entry
!= NULL
) {
3508 struct nfsdirent
*nfsdirent
;
3510 nfsdirent
= malloc(sizeof(struct nfsdirent
));
3511 if (nfsdirent
== NULL
) {
3512 data
->cb(-ENOMEM
, nfs
, "Failed to allocate dirent", data
->private_data
);
3513 nfs_free_nfsdir(nfsdir
);
3514 data
->continue_data
= NULL
;
3515 free_nfs_cb_data(data
);
3518 memset(nfsdirent
, 0, sizeof(struct nfsdirent
));
3519 nfsdirent
->name
= strdup(entry
->name
);
3520 if (nfsdirent
->name
== NULL
) {
3521 data
->cb(-ENOMEM
, nfs
, "Failed to allocate dirent->name", data
->private_data
);
3523 nfs_free_nfsdir(nfsdir
);
3524 data
->continue_data
= NULL
;
3525 free_nfs_cb_data(data
);
3528 nfsdirent
->inode
= entry
->fileid
;
3529 if (entry
->name_attributes
.attributes_follow
) {
3530 nfsdirent
->type
= entry
->name_attributes
.post_op_attr_u
.attributes
.type
;
3531 nfsdirent
->mode
= entry
->name_attributes
.post_op_attr_u
.attributes
.mode
;
3532 nfsdirent
->size
= entry
->name_attributes
.post_op_attr_u
.attributes
.size
;
3534 nfsdirent
->atime
.tv_sec
= entry
->name_attributes
.post_op_attr_u
.attributes
.atime
.seconds
;
3535 nfsdirent
->atime
.tv_usec
= entry
->name_attributes
.post_op_attr_u
.attributes
.atime
.nseconds
/1000;
3536 nfsdirent
->atime_nsec
= entry
->name_attributes
.post_op_attr_u
.attributes
.atime
.nseconds
;
3537 nfsdirent
->mtime
.tv_sec
= entry
->name_attributes
.post_op_attr_u
.attributes
.mtime
.seconds
;
3538 nfsdirent
->mtime
.tv_usec
= entry
->name_attributes
.post_op_attr_u
.attributes
.mtime
.nseconds
/1000;
3539 nfsdirent
->mtime_nsec
= entry
->name_attributes
.post_op_attr_u
.attributes
.mtime
.nseconds
;
3540 nfsdirent
->ctime
.tv_sec
= entry
->name_attributes
.post_op_attr_u
.attributes
.ctime
.seconds
;
3541 nfsdirent
->ctime
.tv_usec
= entry
->name_attributes
.post_op_attr_u
.attributes
.ctime
.nseconds
/1000;
3542 nfsdirent
->ctime_nsec
= entry
->name_attributes
.post_op_attr_u
.attributes
.ctime
.nseconds
;
3543 nfsdirent
->uid
= entry
->name_attributes
.post_op_attr_u
.attributes
.uid
;
3544 nfsdirent
->gid
= entry
->name_attributes
.post_op_attr_u
.attributes
.gid
;
3545 nfsdirent
->nlink
= entry
->name_attributes
.post_op_attr_u
.attributes
.nlink
;
3546 nfsdirent
->dev
= entry
->name_attributes
.post_op_attr_u
.attributes
.fsid
;
3547 nfsdirent
->rdev
= specdata3_to_rdev(&entry
->name_attributes
.post_op_attr_u
.attributes
.rdev
);
3548 nfsdirent
->blksize
= NFS_BLKSIZE
;
3549 nfsdirent
->blocks
= (entry
->name_attributes
.post_op_attr_u
.attributes
.used
+ 512 - 1) / 512;
3550 nfsdirent
->used
= entry
->name_attributes
.post_op_attr_u
.attributes
.used
;
3553 nfsdirent
->next
= nfsdir
->entries
;
3554 nfsdir
->entries
= nfsdirent
;
3556 cookie
= entry
->cookie
;
3557 entry
= entry
->nextentry
;
3560 if (res
->READDIRPLUS3res_u
.resok
.reply
.eof
== 0) {
3561 READDIRPLUS3args args
;
3563 args
.dir
= data
->fh
;
3564 args
.cookie
= cookie
;
3565 memcpy(&args
.cookieverf
, res
->READDIRPLUS3res_u
.resok
.cookieverf
, sizeof(cookieverf3
));
3566 args
.dircount
= 8192;
3567 args
.maxcount
= 8192;
3569 if (rpc_nfs3_readdirplus_async(nfs
->rpc
, nfs_opendir_cb
, &args
, data
) != 0) {
3570 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READDIRPLUS call for %s", data
->path
);
3571 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3572 nfs_free_nfsdir(nfsdir
);
3573 data
->continue_data
= NULL
;
3574 free_nfs_cb_data(data
);
3580 if (res
->READDIRPLUS3res_u
.resok
.dir_attributes
.attributes_follow
)
3581 nfsdir
->attr
= res
->READDIRPLUS3res_u
.resok
.dir_attributes
.post_op_attr_u
.attributes
;
3583 /* steal the dirhandle */
3584 data
->continue_data
= NULL
;
3585 nfsdir
->current
= nfsdir
->entries
;
3587 data
->cb(0, nfs
, nfsdir
, data
->private_data
);
3588 free_nfs_cb_data(data
);
3591 static int nfs_opendir_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
3593 READDIRPLUS3args args
;
3594 struct nfsdir
*nfsdir
= data
->continue_data
;;
3595 struct nfsdir
*cached
;
3597 cached
= nfs_dircache_find(nfs
, &data
->fh
);
3599 if (attr
&& attr
->mtime
.seconds
== cached
->attr
.mtime
.seconds
) {
3600 cached
->current
= cached
->entries
;
3601 data
->cb(0, nfs
, cached
, data
->private_data
);
3602 free_nfs_cb_data(data
);
3605 /* cache must be stale */
3606 nfs_free_nfsdir(cached
);
3610 nfsdir
->fh
.data
.data_len
= data
->fh
.data
.data_len
;
3611 nfsdir
->fh
.data
.data_val
= malloc(nfsdir
->fh
.data
.data_len
);
3612 if (nfsdir
->fh
.data
.data_val
== NULL
) {
3613 rpc_set_error(nfs
->rpc
, "OOM when allocating fh for nfsdir");
3614 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3615 free_nfs_cb_data(data
);
3618 memcpy(nfsdir
->fh
.data
.data_val
, data
->fh
.data
.data_val
, data
->fh
.data
.data_len
);
3620 args
.dir
= data
->fh
;
3622 memset(&args
.cookieverf
, 0, sizeof(cookieverf3
));
3623 args
.dircount
= 8192;
3624 args
.maxcount
= 8192;
3625 if (rpc_nfs3_readdirplus_async(nfs
->rpc
, nfs_opendir_cb
, &args
, data
) != 0) {
3626 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READDIRPLUS call for %s", data
->path
);
3627 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3628 free_nfs_cb_data(data
);
3634 int nfs_opendir_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
3636 struct nfsdir
*nfsdir
;
3638 nfsdir
= malloc(sizeof(struct nfsdir
));
3639 if (nfsdir
== NULL
) {
3640 rpc_set_error(nfs
->rpc
, "failed to allocate buffer for nfsdir");
3643 memset(nfsdir
, 0, sizeof(struct nfsdir
));
3645 if (nfs_lookuppath_async(nfs
, path
, 0, cb
, private_data
, nfs_opendir_continue_internal
, nfsdir
, free
, 0) != 0) {
3646 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
3654 struct nfsdirent
*nfs_readdir(struct nfs_context
*nfs _U_
, struct nfsdir
*nfsdir
)
3656 struct nfsdirent
*nfsdirent
= nfsdir
->current
;
3658 if (nfsdir
->current
!= NULL
) {
3659 nfsdir
->current
= nfsdir
->current
->next
;
3668 void nfs_closedir(struct nfs_context
*nfs
, struct nfsdir
*nfsdir
)
3670 nfs_dircache_add(nfs
, nfsdir
);
3677 void nfs_getcwd(struct nfs_context
*nfs
, const char **cwd
)
3688 struct lseek_cb_data
{
3689 struct nfs_context
*nfs
;
3690 struct nfsfh
*nfsfh
;
3696 static void nfs_lseek_1_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
3699 struct lseek_cb_data
*data
= private_data
;
3700 struct nfs_context
*nfs
= data
->nfs
;
3703 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
3705 if (status
== RPC_STATUS_ERROR
) {
3706 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
3710 if (status
== RPC_STATUS_CANCEL
) {
3711 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
3717 if (res
->status
!= NFS3_OK
) {
3718 rpc_set_error(nfs
->rpc
, "NFS: GETATTR failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
3719 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3724 size
= res
->GETATTR3res_u
.resok
.obj_attributes
.size
;
3726 if (data
->offset
< 0 &&
3727 (uint64_t)(-data
->offset
) > size
) {
3728 data
->cb(-EINVAL
, nfs
, &data
->nfsfh
->offset
, data
->private_data
);
3730 data
->nfsfh
->offset
= data
->offset
+ size
;
3731 data
->cb(0, nfs
, &data
->nfsfh
->offset
, data
->private_data
);
3737 int nfs_lseek_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, int64_t offset
, int whence
, nfs_cb cb
, void *private_data
)
3739 struct lseek_cb_data
*data
;
3740 struct GETATTR3args args
;
3742 if (whence
== SEEK_SET
) {
3744 cb(-EINVAL
, nfs
, &nfsfh
->offset
, private_data
);
3746 nfsfh
->offset
= offset
;
3747 cb(0, nfs
, &nfsfh
->offset
, private_data
);
3751 if (whence
== SEEK_CUR
) {
3753 nfsfh
->offset
< (uint64_t)(-offset
)) {
3754 cb(-EINVAL
, nfs
, &nfsfh
->offset
, private_data
);
3756 nfsfh
->offset
+= offset
;
3757 cb(0, nfs
, &nfsfh
->offset
, private_data
);
3762 data
= malloc(sizeof(struct lseek_cb_data
));
3764 rpc_set_error(nfs
->rpc
, "Out Of Memory: Failed to malloc lseek cb data");
3769 data
->nfsfh
= nfsfh
;
3770 data
->offset
= offset
;
3772 data
->private_data
= private_data
;
3774 memset(&args
, 0, sizeof(GETATTR3args
));
3775 args
.object
= nfsfh
->fh
;
3777 if (rpc_nfs3_getattr_async(nfs
->rpc
, nfs_lseek_1_cb
, &args
, data
) != 0) {
3778 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send LSEEK GETATTR call");
3791 static void nfs_statvfs_1_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
3794 struct nfs_cb_data
*data
= private_data
;
3795 struct nfs_context
*nfs
= data
->nfs
;
3796 struct statvfs svfs
;
3798 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
3800 if (status
== RPC_STATUS_ERROR
) {
3801 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
3802 free_nfs_cb_data(data
);
3805 if (status
== RPC_STATUS_CANCEL
) {
3806 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
3807 free_nfs_cb_data(data
);
3812 if (res
->status
!= NFS3_OK
) {
3813 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
));
3814 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3815 free_nfs_cb_data(data
);
3819 svfs
.f_bsize
= NFS_BLKSIZE
;
3820 svfs
.f_frsize
= NFS_BLKSIZE
;
3821 svfs
.f_blocks
= res
->FSSTAT3res_u
.resok
.tbytes
/NFS_BLKSIZE
;
3822 svfs
.f_bfree
= res
->FSSTAT3res_u
.resok
.fbytes
/NFS_BLKSIZE
;
3823 svfs
.f_bavail
= res
->FSSTAT3res_u
.resok
.abytes
/NFS_BLKSIZE
;
3824 svfs
.f_files
= res
->FSSTAT3res_u
.resok
.tfiles
;
3825 svfs
.f_ffree
= res
->FSSTAT3res_u
.resok
.ffiles
;
3826 #if !defined(ANDROID)
3827 svfs
.f_favail
= res
->FSSTAT3res_u
.resok
.afiles
;
3830 svfs
.f_namemax
= 256;
3833 data
->cb(0, nfs
, &svfs
, data
->private_data
);
3834 free_nfs_cb_data(data
);
3837 static int nfs_statvfs_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
3841 args
.fsroot
= data
->fh
;
3842 if (rpc_nfs3_fsstat_async(nfs
->rpc
, nfs_statvfs_1_cb
, &args
, data
) != 0) {
3843 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send FSSTAT call for %s", data
->path
);
3844 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3845 free_nfs_cb_data(data
);
3851 int nfs_statvfs_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
3853 if (nfs_lookuppath_async(nfs
, path
, 0, cb
, private_data
, nfs_statvfs_continue_internal
, NULL
, NULL
, 0) != 0) {
3854 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
3867 static void nfs_readlink_1_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
3870 struct nfs_cb_data
*data
= private_data
;
3871 struct nfs_context
*nfs
= data
->nfs
;
3873 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
3875 if (status
== RPC_STATUS_ERROR
) {
3876 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
3877 free_nfs_cb_data(data
);
3880 if (status
== RPC_STATUS_CANCEL
) {
3881 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
3882 free_nfs_cb_data(data
);
3887 if (res
->status
!= NFS3_OK
) {
3888 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
));
3889 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3890 free_nfs_cb_data(data
);
3895 data
->cb(0, nfs
, res
->READLINK3res_u
.resok
.data
, data
->private_data
);
3896 free_nfs_cb_data(data
);
3899 static int nfs_readlink_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
3903 args
.symlink
= data
->fh
;
3905 if (rpc_nfs3_readlink_async(nfs
->rpc
, nfs_readlink_1_cb
, &args
, data
) != 0) {
3906 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READLINK call for %s", data
->path
);
3907 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3908 free_nfs_cb_data(data
);
3914 int nfs_readlink_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
3916 if (nfs_lookuppath_async(nfs
, path
, 1, cb
, private_data
, nfs_readlink_continue_internal
, NULL
, NULL
, 0) != 0) {
3917 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
3930 static void nfs_chmod_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
3932 struct nfs_cb_data
*data
= private_data
;
3933 struct nfs_context
*nfs
= data
->nfs
;
3936 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
3938 if (status
== RPC_STATUS_ERROR
) {
3939 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
3940 free_nfs_cb_data(data
);
3943 if (status
== RPC_STATUS_CANCEL
) {
3944 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
3945 free_nfs_cb_data(data
);
3950 if (res
->status
!= NFS3_OK
) {
3951 rpc_set_error(nfs
->rpc
, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
3952 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3953 free_nfs_cb_data(data
);
3957 data
->cb(0, nfs
, NULL
, data
->private_data
);
3958 free_nfs_cb_data(data
);
3961 static int nfs_chmod_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
3965 memset(&args
, 0, sizeof(SETATTR3args
));
3966 args
.object
= data
->fh
;
3967 args
.new_attributes
.mode
.set_it
= 1;
3968 args
.new_attributes
.mode
.set_mode3_u
.mode
= data
->continue_int
;
3970 if (rpc_nfs3_setattr_async(nfs
->rpc
, nfs_chmod_cb
, &args
, data
) != 0) {
3971 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SETATTR call for %s", data
->path
);
3972 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3973 free_nfs_cb_data(data
);
3980 int nfs_chmod_async_internal(struct nfs_context
*nfs
, const char *path
, int no_follow
, int mode
, nfs_cb cb
, void *private_data
)
3982 if (nfs_lookuppath_async(nfs
, path
, no_follow
, cb
, private_data
, nfs_chmod_continue_internal
, NULL
, NULL
, mode
) != 0) {
3983 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
3990 int nfs_chmod_async(struct nfs_context
*nfs
, const char *path
, int mode
, nfs_cb cb
, void *private_data
)
3992 return nfs_chmod_async_internal(nfs
, path
, 0, mode
, cb
, private_data
);
3995 int nfs_lchmod_async(struct nfs_context
*nfs
, const char *path
, int mode
, nfs_cb cb
, void *private_data
)
3997 return nfs_chmod_async_internal(nfs
, path
, 1, mode
, cb
, private_data
);
4003 int nfs_fchmod_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, int mode
, nfs_cb cb
, void *private_data
)
4005 struct nfs_cb_data
*data
;
4007 data
= malloc(sizeof(struct nfs_cb_data
));
4009 rpc_set_error(nfs
->rpc
, "out of memory. failed to allocate memory for nfs mount data");
4012 memset(data
, 0, sizeof(struct nfs_cb_data
));
4015 data
->private_data
= private_data
;
4016 data
->continue_int
= mode
;
4017 data
->fh
.data
.data_len
= nfsfh
->fh
.data
.data_len
;
4018 data
->fh
.data
.data_val
= malloc(data
->fh
.data
.data_len
);
4019 if (data
->fh
.data
.data_val
== NULL
) {
4020 rpc_set_error(nfs
->rpc
, "Out of memory: Failed to allocate fh");
4021 free_nfs_cb_data(data
);
4024 memcpy(data
->fh
.data
.data_val
, nfsfh
->fh
.data
.data_val
, data
->fh
.data
.data_len
);
4026 if (nfs_chmod_continue_internal(nfs
, NULL
, data
) != 0) {
4038 static void nfs_chown_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
4040 struct nfs_cb_data
*data
= private_data
;
4041 struct nfs_context
*nfs
= data
->nfs
;
4044 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
4046 if (status
== RPC_STATUS_ERROR
) {
4047 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
4048 free_nfs_cb_data(data
);
4051 if (status
== RPC_STATUS_CANCEL
) {
4052 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
4053 free_nfs_cb_data(data
);
4058 if (res
->status
!= NFS3_OK
) {
4059 rpc_set_error(nfs
->rpc
, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
4060 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4061 free_nfs_cb_data(data
);
4065 data
->cb(0, nfs
, NULL
, data
->private_data
);
4066 free_nfs_cb_data(data
);
4069 struct nfs_chown_data
{
4074 static int nfs_chown_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
4077 struct nfs_chown_data
*chown_data
= data
->continue_data
;
4079 memset(&args
, 0, sizeof(SETATTR3args
));
4080 args
.object
= data
->fh
;
4081 if (chown_data
->uid
!= (uid_t
)-1) {
4082 args
.new_attributes
.uid
.set_it
= 1;
4083 args
.new_attributes
.uid
.set_uid3_u
.uid
= chown_data
->uid
;
4085 if (chown_data
->gid
!= (gid_t
)-1) {
4086 args
.new_attributes
.gid
.set_it
= 1;
4087 args
.new_attributes
.gid
.set_gid3_u
.gid
= chown_data
->gid
;
4090 if (rpc_nfs3_setattr_async(nfs
->rpc
, nfs_chown_cb
, &args
, data
) != 0) {
4091 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SETATTR call for %s", data
->path
);
4092 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4093 free_nfs_cb_data(data
);
4100 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
)
4102 struct nfs_chown_data
*chown_data
;
4104 chown_data
= malloc(sizeof(struct nfs_chown_data
));
4105 if (chown_data
== NULL
) {
4106 rpc_set_error(nfs
->rpc
, "Failed to allocate memory for chown data structure");
4110 chown_data
->uid
= uid
;
4111 chown_data
->gid
= gid
;
4113 if (nfs_lookuppath_async(nfs
, path
, no_follow
, cb
, private_data
, nfs_chown_continue_internal
, chown_data
, free
, 0) != 0) {
4114 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
4121 int nfs_chown_async(struct nfs_context
*nfs
, const char *path
, int uid
, int gid
, nfs_cb cb
, void *private_data
)
4123 return nfs_chown_async_internal(nfs
, path
, 0, uid
, gid
, cb
, private_data
);
4126 int nfs_lchown_async(struct nfs_context
*nfs
, const char *path
, int uid
, int gid
, nfs_cb cb
, void *private_data
)
4128 return nfs_chown_async_internal(nfs
, path
, 1, uid
, gid
, cb
, private_data
);
4134 int nfs_fchown_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, int uid
, int gid
, nfs_cb cb
, void *private_data
)
4136 struct nfs_cb_data
*data
;
4137 struct nfs_chown_data
*chown_data
;
4139 chown_data
= malloc(sizeof(struct nfs_chown_data
));
4140 if (chown_data
== NULL
) {
4141 rpc_set_error(nfs
->rpc
, "Failed to allocate memory for chown data structure");
4145 chown_data
->uid
= uid
;
4146 chown_data
->gid
= gid
;
4148 data
= malloc(sizeof(struct nfs_cb_data
));
4150 rpc_set_error(nfs
->rpc
, "out of memory. failed to allocate memory for fchown data");
4154 memset(data
, 0, sizeof(struct nfs_cb_data
));
4157 data
->private_data
= private_data
;
4158 data
->continue_data
= chown_data
;
4159 data
->free_continue_data
= free
;
4160 data
->fh
.data
.data_len
= nfsfh
->fh
.data
.data_len
;
4161 data
->fh
.data
.data_val
= malloc(data
->fh
.data
.data_len
);
4162 if (data
->fh
.data
.data_val
== NULL
) {
4163 rpc_set_error(nfs
->rpc
, "Out of memory: Failed to allocate fh");
4164 free_nfs_cb_data(data
);
4167 memcpy(data
->fh
.data
.data_val
, nfsfh
->fh
.data
.data_val
, data
->fh
.data
.data_len
);
4169 if (nfs_chown_continue_internal(nfs
, NULL
, data
) != 0) {
4183 static void nfs_utimes_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
4185 struct nfs_cb_data
*data
= private_data
;
4186 struct nfs_context
*nfs
= data
->nfs
;
4189 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
4191 if (status
== RPC_STATUS_ERROR
) {
4192 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
4193 free_nfs_cb_data(data
);
4196 if (status
== RPC_STATUS_CANCEL
) {
4197 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
4198 free_nfs_cb_data(data
);
4203 if (res
->status
!= NFS3_OK
) {
4204 rpc_set_error(nfs
->rpc
, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
4205 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4206 free_nfs_cb_data(data
);
4210 data
->cb(0, nfs
, NULL
, data
->private_data
);
4211 free_nfs_cb_data(data
);
4214 static int nfs_utimes_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
4217 struct timeval
*utimes_data
= data
->continue_data
;
4219 memset(&args
, 0, sizeof(SETATTR3args
));
4220 args
.object
= data
->fh
;
4221 if (utimes_data
!= NULL
) {
4222 args
.new_attributes
.atime
.set_it
= SET_TO_CLIENT_TIME
;
4223 args
.new_attributes
.atime
.set_atime_u
.atime
.seconds
= utimes_data
[0].tv_sec
;
4224 args
.new_attributes
.atime
.set_atime_u
.atime
.nseconds
= utimes_data
[0].tv_usec
* 1000;
4225 args
.new_attributes
.mtime
.set_it
= SET_TO_CLIENT_TIME
;
4226 args
.new_attributes
.mtime
.set_mtime_u
.mtime
.seconds
= utimes_data
[1].tv_sec
;
4227 args
.new_attributes
.mtime
.set_mtime_u
.mtime
.nseconds
= utimes_data
[1].tv_usec
* 1000;
4229 args
.new_attributes
.atime
.set_it
= SET_TO_SERVER_TIME
;
4230 args
.new_attributes
.mtime
.set_it
= SET_TO_SERVER_TIME
;
4233 if (rpc_nfs3_setattr_async(nfs
->rpc
, nfs_utimes_cb
, &args
, data
) != 0) {
4234 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SETATTR call for %s", data
->path
);
4235 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4236 free_nfs_cb_data(data
);
4242 int nfs_utimes_async_internal(struct nfs_context
*nfs
, const char *path
, int no_follow
, struct timeval
*times
, nfs_cb cb
, void *private_data
)
4244 struct timeval
*new_times
= NULL
;
4246 if (times
!= NULL
) {
4247 new_times
= malloc(sizeof(struct timeval
)*2);
4248 if (new_times
== NULL
) {
4249 rpc_set_error(nfs
->rpc
, "Failed to allocate memory for timeval structure");
4253 memcpy(new_times
, times
, sizeof(struct timeval
)*2);
4256 if (nfs_lookuppath_async(nfs
, path
, no_follow
, cb
, private_data
, nfs_utimes_continue_internal
, new_times
, free
, 0) != 0) {
4257 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
4264 int nfs_utimes_async(struct nfs_context
*nfs
, const char *path
, struct timeval
*times
, nfs_cb cb
, void *private_data
)
4266 return nfs_utimes_async_internal(nfs
, path
, 0, times
, cb
, private_data
);
4269 int nfs_lutimes_async(struct nfs_context
*nfs
, const char *path
, struct timeval
*times
, nfs_cb cb
, void *private_data
)
4271 return nfs_utimes_async_internal(nfs
, path
, 1, times
, cb
, private_data
);
4277 int nfs_utime_async(struct nfs_context
*nfs
, const char *path
, struct utimbuf
*times
, nfs_cb cb
, void *private_data
)
4279 struct timeval
*new_times
= NULL
;
4281 if (times
!= NULL
) {
4282 new_times
= malloc(sizeof(struct timeval
)*2);
4283 if (new_times
== NULL
) {
4284 rpc_set_error(nfs
->rpc
, "Failed to allocate memory for timeval structure");
4288 new_times
[0].tv_sec
= times
->actime
;
4289 new_times
[0].tv_usec
= 0;
4290 new_times
[1].tv_sec
= times
->modtime
;
4291 new_times
[1].tv_usec
= 0;
4294 if (nfs_lookuppath_async(nfs
, path
, 0, cb
, private_data
, nfs_utimes_continue_internal
, new_times
, free
, 0) != 0) {
4295 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
4306 static void nfs_access_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
4309 struct nfs_cb_data
*data
= private_data
;
4310 struct nfs_context
*nfs
= data
->nfs
;
4311 unsigned int nfsmode
= 0;
4313 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
4315 if (status
== RPC_STATUS_ERROR
) {
4316 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
4317 free_nfs_cb_data(data
);
4320 if (status
== RPC_STATUS_CANCEL
) {
4321 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
4322 free_nfs_cb_data(data
);
4327 if (res
->status
!= NFS3_OK
) {
4328 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
));
4329 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4330 free_nfs_cb_data(data
);
4334 if (data
->continue_int
& R_OK
) {
4335 nfsmode
|= ACCESS3_READ
;
4337 if (data
->continue_int
& W_OK
) {
4338 nfsmode
|= ACCESS3_MODIFY
;
4340 if (data
->continue_int
& X_OK
) {
4341 nfsmode
|= ACCESS3_EXECUTE
;
4344 if (res
->ACCESS3res_u
.resok
.access
!= nfsmode
) {
4345 rpc_set_error(nfs
->rpc
, "NFS: ACCESS denied. Required access %c%c%c. Allowed access %c%c%c",
4346 nfsmode
&ACCESS3_READ
?'r':'-',
4347 nfsmode
&ACCESS3_MODIFY
?'w':'-',
4348 nfsmode
&ACCESS3_EXECUTE
?'x':'-',
4349 res
->ACCESS3res_u
.resok
.access
&ACCESS3_READ
?'r':'-',
4350 res
->ACCESS3res_u
.resok
.access
&ACCESS3_MODIFY
?'w':'-',
4351 res
->ACCESS3res_u
.resok
.access
&ACCESS3_EXECUTE
?'x':'-');
4352 data
->cb(-EACCES
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4353 free_nfs_cb_data(data
);
4357 data
->cb(0, nfs
, NULL
, data
->private_data
);
4358 free_nfs_cb_data(data
);
4361 static int nfs_access_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
4366 if (data
->continue_int
& R_OK
) {
4367 nfsmode
|= ACCESS3_READ
;
4369 if (data
->continue_int
& W_OK
) {
4370 nfsmode
|= ACCESS3_MODIFY
;
4372 if (data
->continue_int
& X_OK
) {
4373 nfsmode
|= ACCESS3_EXECUTE
;
4376 memset(&args
, 0, sizeof(ACCESS3args
));
4377 args
.object
= data
->fh
;
4378 args
.access
= nfsmode
;
4380 if (rpc_nfs3_access_async(nfs
->rpc
, nfs_access_cb
, &args
, data
) != 0) {
4381 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send OPEN ACCESS call for %s", data
->path
);
4382 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4383 free_nfs_cb_data(data
);
4389 int nfs_access_async(struct nfs_context
*nfs
, const char *path
, int mode
, nfs_cb cb
, void *private_data
)
4391 if (nfs_lookuppath_async(nfs
, path
, 0, cb
, private_data
, nfs_access_continue_internal
, NULL
, NULL
, mode
) != 0) {
4392 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
4404 struct nfs_symlink_data
{
4406 char *newpathparent
;
4407 char *newpathobject
;
4410 static void free_nfs_symlink_data(void *mem
)
4412 struct nfs_symlink_data
*data
= mem
;
4414 if (data
->oldpath
!= NULL
) {
4415 free(data
->oldpath
);
4417 if (data
->newpathparent
!= NULL
) {
4418 free(data
->newpathparent
);
4420 if (data
->newpathobject
!= NULL
) {
4421 free(data
->newpathobject
);
4426 static void nfs_symlink_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
4429 struct nfs_cb_data
*data
= private_data
;
4430 struct nfs_context
*nfs
= data
->nfs
;
4431 struct nfs_symlink_data
*symlink_data
= data
->continue_data
;
4433 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
4435 if (status
== RPC_STATUS_ERROR
) {
4436 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
4437 free_nfs_cb_data(data
);
4440 if (status
== RPC_STATUS_CANCEL
) {
4441 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
4442 free_nfs_cb_data(data
);
4447 if (res
->status
!= NFS3_OK
) {
4448 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
));
4449 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4450 free_nfs_cb_data(data
);
4454 data
->cb(0, nfs
, NULL
, data
->private_data
);
4455 free_nfs_cb_data(data
);
4458 static int nfs_symlink_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
4460 struct nfs_symlink_data
*symlink_data
= data
->continue_data
;
4463 memset(&args
, 0, sizeof(SYMLINK3args
));
4464 args
.where
.dir
= data
->fh
;
4465 args
.where
.name
= symlink_data
->newpathobject
;
4466 args
.symlink
.symlink_attributes
.mode
.set_it
= 1;
4467 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
;
4468 args
.symlink
.symlink_data
= symlink_data
->oldpath
;
4470 if (rpc_nfs3_symlink_async(nfs
->rpc
, nfs_symlink_cb
, &args
, data
) != 0) {
4471 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SYMLINK call for %s", data
->path
);
4472 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4473 free_nfs_cb_data(data
);
4479 int nfs_symlink_async(struct nfs_context
*nfs
, const char *oldpath
, const char *newpath
, nfs_cb cb
, void *private_data
)
4482 struct nfs_symlink_data
*symlink_data
;
4484 symlink_data
= malloc(sizeof(struct nfs_symlink_data
));
4485 if (symlink_data
== NULL
) {
4486 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for symlink data");
4489 memset(symlink_data
, 0, sizeof(struct nfs_symlink_data
));
4491 symlink_data
->oldpath
= strdup(oldpath
);
4492 if (symlink_data
->oldpath
== NULL
) {
4493 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for oldpath");
4494 free_nfs_symlink_data(symlink_data
);
4498 symlink_data
->newpathparent
= strdup(newpath
);
4499 if (symlink_data
->newpathparent
== NULL
) {
4500 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for new path");
4501 free_nfs_symlink_data(symlink_data
);
4505 ptr
= strrchr(symlink_data
->newpathparent
, '/');
4507 rpc_set_error(nfs
->rpc
, "Invalid path %s", oldpath
);
4508 free_nfs_symlink_data(symlink_data
);
4514 symlink_data
->newpathobject
= strdup(ptr
);
4515 if (symlink_data
->newpathobject
== NULL
) {
4516 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for new path");
4517 free_nfs_symlink_data(symlink_data
);
4521 if (nfs_lookuppath_async(nfs
, symlink_data
->newpathparent
, 0, cb
, private_data
, nfs_symlink_continue_internal
, symlink_data
, free_nfs_symlink_data
, 0) != 0) {
4522 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
4534 struct nfs_rename_data
{
4537 struct nfs_fh3 olddir
;
4540 struct nfs_fh3 newdir
;
4543 static void free_nfs_rename_data(void *mem
)
4545 struct nfs_rename_data
*data
= mem
;
4547 if (data
->oldpath
!= NULL
) {
4548 free(data
->oldpath
);
4550 if (data
->olddir
.data
.data_val
!= NULL
) {
4551 free(data
->olddir
.data
.data_val
);
4553 if (data
->newpath
!= NULL
) {
4554 free(data
->newpath
);
4556 if (data
->newdir
.data
.data_val
!= NULL
) {
4557 free(data
->newdir
.data
.data_val
);
4562 static void nfs_rename_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
4565 struct nfs_cb_data
*data
= private_data
;
4566 struct nfs_context
*nfs
= data
->nfs
;
4567 struct nfs_rename_data
*rename_data
= data
->continue_data
;
4569 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
4571 if (status
== RPC_STATUS_ERROR
) {
4572 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
4573 free_nfs_cb_data(data
);
4576 if (status
== RPC_STATUS_CANCEL
) {
4577 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
4578 free_nfs_cb_data(data
);
4583 if (res
->status
!= NFS3_OK
) {
4584 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
));
4585 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4586 free_nfs_cb_data(data
);
4590 data
->cb(0, nfs
, NULL
, data
->private_data
);
4591 free_nfs_cb_data(data
);
4594 static int nfs_rename_continue_2_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
4596 struct nfs_rename_data
*rename_data
= data
->continue_data
;
4599 /* steal the filehandle */
4600 rename_data
->newdir
= data
->fh
;
4601 data
->fh
.data
.data_val
= NULL
;
4603 args
.from
.dir
= rename_data
->olddir
;
4604 args
.from
.name
= rename_data
->oldobject
;
4605 args
.to
.dir
= rename_data
->newdir
;
4606 args
.to
.name
= rename_data
->newobject
;
4607 if (rpc_nfs3_rename_async(nfs
->rpc
, nfs_rename_cb
, &args
, data
) != 0) {
4608 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send RENAME call for %s", data
->path
);
4609 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4610 free_nfs_cb_data(data
);
4617 static int nfs_rename_continue_1_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
4619 struct nfs_rename_data
*rename_data
= data
->continue_data
;
4620 char* newpath
= strdup(rename_data
->newpath
);
4622 rpc_set_error(nfs
->rpc
, "Out of memory. Could not allocate memory to store target path for rename");
4623 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4624 free_nfs_cb_data(data
);
4628 /* steal the filehandle */
4629 rename_data
->olddir
= data
->fh
;
4630 data
->fh
.data
.data_val
= NULL
;
4632 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) {
4633 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send LOOKUP call for %s", newpath
);
4634 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4635 free_nfs_cb_data(data
);
4639 data
->continue_data
= NULL
;
4640 free_nfs_cb_data(data
);
4647 int nfs_rename_async(struct nfs_context
*nfs
, const char *oldpath
, const char *newpath
, nfs_cb cb
, void *private_data
)
4650 struct nfs_rename_data
*rename_data
;
4652 rename_data
= malloc(sizeof(struct nfs_rename_data
));
4653 if (rename_data
== NULL
) {
4654 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for rename data");
4657 memset(rename_data
, 0, sizeof(struct nfs_rename_data
));
4659 rename_data
->oldpath
= strdup(oldpath
);
4660 if (rename_data
->oldpath
== NULL
) {
4661 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for oldpath");
4662 free_nfs_rename_data(rename_data
);
4665 ptr
= strrchr(rename_data
->oldpath
, '/');
4667 rpc_set_error(nfs
->rpc
, "Invalid path %s", oldpath
);
4668 free_nfs_rename_data(rename_data
);
4673 rename_data
->oldobject
= ptr
;
4676 rename_data
->newpath
= strdup(newpath
);
4677 if (rename_data
->newpath
== NULL
) {
4678 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for newpath");
4679 free_nfs_rename_data(rename_data
);
4682 ptr
= strrchr(rename_data
->newpath
, '/');
4684 rpc_set_error(nfs
->rpc
, "Invalid path %s", newpath
);
4685 free_nfs_rename_data(rename_data
);
4690 rename_data
->newobject
= ptr
;
4693 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) {
4694 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
4705 struct nfs_link_data
{
4707 struct nfs_fh3 oldfh
;
4710 struct nfs_fh3 newdir
;
4713 static void free_nfs_link_data(void *mem
)
4715 struct nfs_link_data
*data
= mem
;
4717 if (data
->oldpath
!= NULL
) {
4718 free(data
->oldpath
);
4720 if (data
->oldfh
.data
.data_val
!= NULL
) {
4721 free(data
->oldfh
.data
.data_val
);
4723 if (data
->newpath
!= NULL
) {
4724 free(data
->newpath
);
4726 if (data
->newdir
.data
.data_val
!= NULL
) {
4727 free(data
->newdir
.data
.data_val
);
4732 static void nfs_link_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
4735 struct nfs_cb_data
*data
= private_data
;
4736 struct nfs_context
*nfs
= data
->nfs
;
4737 struct nfs_link_data
*link_data
= data
->continue_data
;
4739 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
4741 if (status
== RPC_STATUS_ERROR
) {
4742 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
4743 free_nfs_cb_data(data
);
4746 if (status
== RPC_STATUS_CANCEL
) {
4747 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
4748 free_nfs_cb_data(data
);
4753 if (res
->status
!= NFS3_OK
) {
4754 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
));
4755 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4756 free_nfs_cb_data(data
);
4760 data
->cb(0, nfs
, NULL
, data
->private_data
);
4761 free_nfs_cb_data(data
);
4764 static int nfs_link_continue_2_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
4766 struct nfs_link_data
*link_data
= data
->continue_data
;
4769 /* steal the filehandle */
4770 link_data
->newdir
= data
->fh
;
4771 data
->fh
.data
.data_val
= NULL
;
4773 memset(&args
, 0, sizeof(LINK3args
));
4774 args
.file
= link_data
->oldfh
;
4775 args
.link
.dir
= link_data
->newdir
;
4776 args
.link
.name
= link_data
->newobject
;
4777 if (rpc_nfs3_link_async(nfs
->rpc
, nfs_link_cb
, &args
, data
) != 0) {
4778 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send LINK call for %s", data
->path
);
4779 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4780 free_nfs_cb_data(data
);
4787 static int nfs_link_continue_1_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
4789 struct nfs_link_data
*link_data
= data
->continue_data
;
4791 /* steal the filehandle */
4792 link_data
->oldfh
= data
->fh
;
4793 data
->fh
.data
.data_val
= NULL
;
4795 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) {
4796 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send LOOKUP call for %s", link_data
->newpath
);
4797 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4798 free_nfs_cb_data(data
);
4801 data
->continue_data
= NULL
;
4802 free_nfs_cb_data(data
);
4808 int nfs_link_async(struct nfs_context
*nfs
, const char *oldpath
, const char *newpath
, nfs_cb cb
, void *private_data
)
4811 struct nfs_link_data
*link_data
;
4813 link_data
= malloc(sizeof(struct nfs_link_data
));
4814 if (link_data
== NULL
) {
4815 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for link data");
4818 memset(link_data
, 0, sizeof(struct nfs_link_data
));
4820 link_data
->oldpath
= strdup(oldpath
);
4821 if (link_data
->oldpath
== NULL
) {
4822 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for oldpath");
4823 free_nfs_link_data(link_data
);
4827 link_data
->newpath
= strdup(newpath
);
4828 if (link_data
->newpath
== NULL
) {
4829 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for newpath");
4830 free_nfs_link_data(link_data
);
4833 ptr
= strrchr(link_data
->newpath
, '/');
4835 rpc_set_error(nfs
->rpc
, "Invalid path %s", newpath
);
4836 free_nfs_link_data(link_data
);
4841 link_data
->newobject
= ptr
;
4844 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) {
4845 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
4853 //qqq replace later with lseek()
4854 uint64_t nfs_get_current_offset(struct nfsfh
*nfsfh
)
4856 return nfsfh
->offset
;
4862 * Get the maximum supported READ3 size by the server
4864 uint64_t nfs_get_readmax(struct nfs_context
*nfs
)
4866 return nfs
->readmax
;
4870 * Get the maximum supported WRITE3 size by the server
4872 uint64_t nfs_get_writemax(struct nfs_context
*nfs
)
4874 return nfs
->writemax
;
4877 void nfs_set_tcp_syncnt(struct nfs_context
*nfs
, int v
) {
4878 rpc_set_tcp_syncnt(nfs
->rpc
, v
);
4881 void nfs_set_uid(struct nfs_context
*nfs
, int uid
) {
4882 rpc_set_uid(nfs
->rpc
, uid
);
4885 void nfs_set_gid(struct nfs_context
*nfs
, int gid
) {
4886 rpc_set_gid(nfs
->rpc
, gid
);
4889 void nfs_set_readahead(struct nfs_context
*nfs
, uint32_t v
) {
4890 rpc_set_readahead(nfs
->rpc
, v
);
4893 void nfs_set_error(struct nfs_context
*nfs
, char *error_string
, ...)
4898 va_start(ap
, error_string
);
4900 vsnprintf(str
, 1024, error_string
, ap
);
4901 if (nfs
->rpc
->error_string
!= NULL
) {
4902 free(nfs
->rpc
->error_string
);
4904 nfs
->rpc
->error_string
= str
;
4910 struct mount_cb_data
{
4916 static void free_mount_cb_data(struct mount_cb_data
*data
)
4918 if (data
->server
!= NULL
) {
4920 data
->server
= NULL
;
4926 static void mount_export_5_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
4928 struct mount_cb_data
*data
= private_data
;
4930 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
4932 if (status
== RPC_STATUS_ERROR
) {
4933 data
->cb(rpc
, -EFAULT
, command_data
, data
->private_data
);
4934 free_mount_cb_data(data
);
4937 if (status
== RPC_STATUS_CANCEL
) {
4938 data
->cb(rpc
, -EINTR
, "Command was cancelled", data
->private_data
);
4939 free_mount_cb_data(data
);
4943 data
->cb(rpc
, 0, command_data
, data
->private_data
);
4944 if (rpc_disconnect(rpc
, "normal disconnect") != 0) {
4945 rpc_set_error(rpc
, "Failed to disconnect\n");
4947 free_mount_cb_data(data
);
4950 static void mount_export_4_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
4952 struct mount_cb_data
*data
= private_data
;
4954 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
4956 /* Dont want any more callbacks even if the socket is closed */
4957 rpc
->connect_cb
= NULL
;
4959 if (status
== RPC_STATUS_ERROR
) {
4960 data
->cb(rpc
, -EFAULT
, command_data
, data
->private_data
);
4961 free_mount_cb_data(data
);
4964 if (status
== RPC_STATUS_CANCEL
) {
4965 data
->cb(rpc
, -EINTR
, "Command was cancelled", data
->private_data
);
4966 free_mount_cb_data(data
);
4970 if (rpc_mount3_export_async(rpc
, mount_export_5_cb
, data
) != 0) {
4971 data
->cb(rpc
, -ENOMEM
, command_data
, data
->private_data
);
4972 free_mount_cb_data(data
);
4977 int mount_getexports_async(struct rpc_context
*rpc
, const char *server
, rpc_cb cb
, void *private_data
)
4979 struct mount_cb_data
*data
;
4981 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
4983 data
= malloc(sizeof(struct mount_cb_data
));
4987 memset(data
, 0, sizeof(struct mount_cb_data
));
4989 data
->private_data
= private_data
;
4990 data
->server
= strdup(server
);
4991 if (data
->server
== NULL
) {
4992 free_mount_cb_data(data
);
4995 if (rpc_connect_program_async(rpc
, data
->server
, MOUNT_PROGRAM
, MOUNT_V3
, mount_export_4_cb
, data
) != 0) {
4996 rpc_set_error(rpc
, "Failed to start connection");
4997 free_mount_cb_data(data
);
5004 struct rpc_context
*nfs_get_rpc_context(struct nfs_context
*nfs
)
5006 assert(nfs
->rpc
->magic
== RPC_CONTEXT_MAGIC
);
5010 const char *nfs_get_server(struct nfs_context
*nfs
) {
5014 const char *nfs_get_export(struct nfs_context
*nfs
) {
5018 const struct nfs_fh3
*nfs_get_rootfh(struct nfs_context
*nfs
) {
5019 return &nfs
->rootfh
;
5022 struct nfs_fh3
*nfs_get_fh(struct nfsfh
*nfsfh
) {