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>
68 #include <sys/types.h>
71 #include "libnfs-zdr.h"
74 #include "libnfs-raw.h"
75 #include "libnfs-raw-mount.h"
76 #include "libnfs-raw-nfs.h"
77 #include "libnfs-raw-portmap.h"
78 #include "libnfs-private.h"
80 #define MAX_DIR_CACHE 128
87 struct nfsdirent
*entries
;
88 struct nfsdirent
*current
;
91 struct nfs_readahead
{
106 struct nfs_readahead ra
;
110 struct rpc_context
*rpc
;
113 struct nfs_fh3 rootfh
;
117 struct nfsdir
*dircache
;
120 void nfs_free_nfsdir(struct nfsdir
*nfsdir
)
122 while (nfsdir
->entries
) {
123 struct nfsdirent
*dirent
= nfsdir
->entries
->next
;
124 if (nfsdir
->entries
->name
!= NULL
) {
125 free(nfsdir
->entries
->name
);
127 free(nfsdir
->entries
);
128 nfsdir
->entries
= dirent
;
130 free(nfsdir
->fh
.data
.data_val
);
134 static void nfs_dircache_add(struct nfs_context
*nfs
, struct nfsdir
*nfsdir
)
137 LIBNFS_LIST_ADD(&nfs
->dircache
, nfsdir
);
139 for (nfsdir
= nfs
->dircache
, i
= 0; nfsdir
; nfsdir
= nfsdir
->next
, i
++) {
140 if (i
> MAX_DIR_CACHE
) {
141 LIBNFS_LIST_REMOVE(&nfs
->dircache
, nfsdir
);
142 nfs_free_nfsdir(nfsdir
);
148 static struct nfsdir
*nfs_dircache_find(struct nfs_context
*nfs
, struct nfs_fh3
*fh
)
150 struct nfsdir
*nfsdir
;
152 for (nfsdir
= nfs
->dircache
; nfsdir
; nfsdir
= nfsdir
->next
) {
153 if (nfsdir
->fh
.data
.data_len
== fh
->data
.data_len
&&
154 !memcmp(nfsdir
->fh
.data
.data_val
, fh
->data
.data_val
, fh
->data
.data_len
)) {
155 LIBNFS_LIST_REMOVE(&nfs
->dircache
, nfsdir
);
164 typedef int (*continue_func
)(struct nfs_context
*nfs
, fattr3
*attr
,
165 struct nfs_cb_data
*data
);
168 struct nfs_context
*nfs
;
170 char *saved_path
, *path
;
175 continue_func continue_cb
;
177 void (*free_continue_data
)(void *);
182 /* for multi-read/write calls. */
187 uint64_t offset
, count
, max_offset
, org_offset
, org_count
;
192 struct nfs_mcb_data
{
193 struct nfs_cb_data
*data
;
199 static int nfs_lookup_path_async_internal(struct nfs_context
*nfs
, fattr3
*attr
, struct nfs_cb_data
*data
, struct nfs_fh3
*fh
);
201 void nfs_set_auth(struct nfs_context
*nfs
, struct AUTH
*auth
)
203 rpc_set_auth(nfs
->rpc
, auth
);
206 int nfs_get_fd(struct nfs_context
*nfs
)
208 return rpc_get_fd(nfs
->rpc
);
211 int nfs_queue_length(struct nfs_context
*nfs
)
213 return rpc_queue_length(nfs
->rpc
);
216 int nfs_which_events(struct nfs_context
*nfs
)
218 return rpc_which_events(nfs
->rpc
);
221 int nfs_service(struct nfs_context
*nfs
, int revents
)
223 return rpc_service(nfs
->rpc
, revents
);
226 char *nfs_get_error(struct nfs_context
*nfs
)
228 return rpc_get_error(nfs
->rpc
);
231 static int nfs_set_context_args(struct nfs_context
*nfs
, char *arg
, char *val
)
233 if (!strcmp(arg
, "tcp-syncnt")) {
234 rpc_set_tcp_syncnt(nfs_get_rpc_context(nfs
), atoi(val
));
235 } else if (!strcmp(arg
, "uid")) {
236 rpc_set_uid(nfs_get_rpc_context(nfs
), atoi(val
));
237 } else if (!strcmp(arg
, "gid")) {
238 rpc_set_gid(nfs_get_rpc_context(nfs
), atoi(val
));
239 } else if (!strcmp(arg
, "readahaed")) {
240 rpc_set_readahead(nfs_get_rpc_context(nfs
), atoi(val
));
245 static struct nfs_url
*nfs_parse_url(struct nfs_context
*nfs
, const char *url
, int dir
, int incomplete
)
247 struct nfs_url
*urls
;
248 char *strp
, *flagsp
, *strp2
;
250 if (strncmp(url
, "nfs://", 6)) {
251 rpc_set_error(nfs
->rpc
, "Invalid URL specified");
255 urls
= malloc(sizeof(struct nfs_url
));
257 rpc_set_error(nfs
->rpc
, "Out of memory");
261 memset(urls
, 0x00, sizeof(struct nfs_url
));
262 urls
->server
= strdup(url
+ 6);
263 if (urls
->server
== NULL
) {
264 nfs_destroy_url(urls
);
265 rpc_set_error(nfs
->rpc
, "Out of memory");
269 if (urls
->server
[0] == '/' || urls
->server
[0] == '\0' ||
270 urls
->server
[0] == '?') {
272 flagsp
= strchr(urls
->server
, '?');
275 nfs_destroy_url(urls
);
276 rpc_set_error(nfs
->rpc
, "Invalid server string");
280 strp
= strchr(urls
->server
, '/');
283 flagsp
= strchr(urls
->server
, '?');
286 nfs_destroy_url(urls
);
287 rpc_set_error(nfs
->rpc
, "Incomplete or invalid URL specified.");
291 urls
->path
= strdup(strp
);
292 if (urls
->path
== NULL
) {
293 nfs_destroy_url(urls
);
294 rpc_set_error(nfs
->rpc
, "Out of memory");
300 flagsp
= strchr(urls
->path
, '?');
304 strp
= strrchr(urls
->path
, '/');
307 flagsp
= strchr(urls
->path
, '?');
310 nfs_destroy_url(urls
);
311 rpc_set_error(nfs
->rpc
, "Incomplete or invalid URL specified.");
314 urls
->file
= strdup(strp
);
315 if (urls
->path
== NULL
) {
316 nfs_destroy_url(urls
);
317 rpc_set_error(nfs
->rpc
, "Out of memory");
321 flagsp
= strchr(urls
->file
, '?');
328 if (urls
->file
&& !strlen(urls
->file
)) {
332 nfs_destroy_url(urls
);
333 rpc_set_error(nfs
->rpc
, "Incomplete or invalid URL specified.");
338 while (flagsp
!= NULL
&& *(flagsp
+1) != 0) {
340 flagsp
= strchr(strp
, '&');
344 strp2
= strchr(strp
, '=');
348 nfs_set_context_args(nfs
, strp
, strp2
);
352 if (urls
->server
&& strlen(urls
->server
) <= 1) {
360 struct nfs_url
*nfs_parse_url_full(struct nfs_context
*nfs
, const char *url
)
362 return nfs_parse_url(nfs
, url
, 0, 0);
365 struct nfs_url
*nfs_parse_url_dir(struct nfs_context
*nfs
, const char *url
)
367 return nfs_parse_url(nfs
, url
, 1, 0);
370 struct nfs_url
*nfs_parse_url_incomplete(struct nfs_context
*nfs
, const char *url
)
372 return nfs_parse_url(nfs
, url
, 0, 1);
376 void nfs_destroy_url(struct nfs_url
*url
)
386 struct nfs_context
*nfs_init_context(void)
388 struct nfs_context
*nfs
;
390 nfs
= malloc(sizeof(struct nfs_context
));
394 memset(nfs
, 0, sizeof(struct nfs_context
));
396 nfs
->rpc
= rpc_init_context();
397 if (nfs
->rpc
== NULL
) {
402 nfs
->cwd
= strdup("/");
407 void nfs_destroy_context(struct nfs_context
*nfs
)
409 rpc_destroy_context(nfs
->rpc
);
427 if (nfs
->rootfh
.data
.data_val
!= NULL
) {
428 free(nfs
->rootfh
.data
.data_val
);
429 nfs
->rootfh
.data
.data_val
= NULL
;
432 while (nfs
->dircache
) {
433 struct nfsdir
*nfsdir
= nfs
->dircache
;
434 LIBNFS_LIST_REMOVE(&nfs
->dircache
, nfsdir
);
435 nfs_free_nfsdir(nfsdir
);
450 void free_rpc_cb_data(struct rpc_cb_data
*data
)
457 static void rpc_connect_program_5_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
459 struct rpc_cb_data
*data
= private_data
;
461 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
463 /* Dont want any more callbacks even if the socket is closed */
464 rpc
->connect_cb
= NULL
;
466 if (status
== RPC_STATUS_ERROR
) {
467 data
->cb(rpc
, status
, command_data
, data
->private_data
);
468 free_rpc_cb_data(data
);
471 if (status
== RPC_STATUS_CANCEL
) {
472 data
->cb(rpc
, status
, "Command was cancelled", data
->private_data
);
473 free_rpc_cb_data(data
);
477 data
->cb(rpc
, status
, NULL
, data
->private_data
);
478 free_rpc_cb_data(data
);
481 static void rpc_connect_program_4_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
483 struct rpc_cb_data
*data
= private_data
;
485 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
487 /* Dont want any more callbacks even if the socket is closed */
488 rpc
->connect_cb
= NULL
;
490 if (status
== RPC_STATUS_ERROR
) {
491 data
->cb(rpc
, status
, command_data
, data
->private_data
);
492 free_rpc_cb_data(data
);
495 if (status
== RPC_STATUS_CANCEL
) {
496 data
->cb(rpc
, status
, "Command was cancelled", data
->private_data
);
497 free_rpc_cb_data(data
);
501 switch (data
->program
) {
503 if (rpc_mount3_null_async(rpc
, rpc_connect_program_5_cb
,
505 data
->cb(rpc
, status
, command_data
, data
->private_data
);
506 free_rpc_cb_data(data
);
511 if (rpc_nfs3_null_async(rpc
, rpc_connect_program_5_cb
,
513 data
->cb(rpc
, status
, command_data
, data
->private_data
);
514 free_rpc_cb_data(data
);
520 data
->cb(rpc
, status
, NULL
, data
->private_data
);
521 free_rpc_cb_data(data
);
524 static void rpc_connect_program_3_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
526 struct rpc_cb_data
*data
= private_data
;
527 struct pmap3_string_result
*gar
;
528 uint32_t rpc_port
= 0;
531 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
533 if (status
== RPC_STATUS_ERROR
) {
534 data
->cb(rpc
, status
, command_data
, data
->private_data
);
535 free_rpc_cb_data(data
);
538 if (status
== RPC_STATUS_CANCEL
) {
539 data
->cb(rpc
, status
, "Command was cancelled", data
->private_data
);
540 free_rpc_cb_data(data
);
544 switch (rpc
->s
.ss_family
) {
546 rpc_port
= *(uint32_t *)command_data
;
549 /* ouch. portmapper and ipv6 are not great */
551 if (gar
->addr
== NULL
) {
554 ptr
= strrchr(gar
->addr
, '.');
558 rpc_port
= atoi(ptr
+ 1);
560 ptr
= strrchr(gar
->addr
, '.');
564 rpc_port
+= 256 * atoi(ptr
+ 1);
568 rpc_set_error(rpc
, "RPC error. Program is not available on %s", data
->server
);
569 data
->cb(rpc
, RPC_STATUS_ERROR
, rpc_get_error(rpc
), data
->private_data
);
570 free_rpc_cb_data(data
);
574 rpc_disconnect(rpc
, "normal disconnect");
575 if (rpc_connect_async(rpc
, data
->server
, rpc_port
, rpc_connect_program_4_cb
, data
) != 0) {
576 data
->cb(rpc
, status
, command_data
, data
->private_data
);
577 free_rpc_cb_data(data
);
582 static void rpc_connect_program_2_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
584 struct rpc_cb_data
*data
= private_data
;
585 struct pmap3_mapping map
;
587 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
589 if (status
== RPC_STATUS_ERROR
) {
590 data
->cb(rpc
, status
, command_data
, data
->private_data
);
591 free_rpc_cb_data(data
);
594 if (status
== RPC_STATUS_CANCEL
) {
595 data
->cb(rpc
, status
, "Command was cancelled", data
->private_data
);
596 free_rpc_cb_data(data
);
600 switch (rpc
->s
.ss_family
) {
602 if (rpc_pmap2_getport_async(rpc
, data
->program
, data
->version
, IPPROTO_TCP
, rpc_connect_program_3_cb
, private_data
) != 0) {
603 data
->cb(rpc
, status
, command_data
, data
->private_data
);
604 free_rpc_cb_data(data
);
609 map
.prog
=data
->program
;
610 map
.vers
=data
->version
;
614 if (rpc_pmap3_getaddr_async(rpc
, &map
, rpc_connect_program_3_cb
, private_data
) != 0) {
615 data
->cb(rpc
, status
, command_data
, data
->private_data
);
616 free_rpc_cb_data(data
);
623 static void rpc_connect_program_1_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
625 struct rpc_cb_data
*data
= private_data
;
627 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
629 /* Dont want any more callbacks even if the socket is closed */
630 rpc
->connect_cb
= NULL
;
632 if (status
== RPC_STATUS_ERROR
) {
633 data
->cb(rpc
, status
, command_data
, data
->private_data
);
634 free_rpc_cb_data(data
);
637 if (status
== RPC_STATUS_CANCEL
) {
638 data
->cb(rpc
, status
, "Command was cancelled", data
->private_data
);
639 free_rpc_cb_data(data
);
643 switch (rpc
->s
.ss_family
) {
645 if (rpc_pmap2_null_async(rpc
, rpc_connect_program_2_cb
, data
) != 0) {
646 data
->cb(rpc
, status
, command_data
, data
->private_data
);
647 free_rpc_cb_data(data
);
652 if (rpc_pmap3_null_async(rpc
, rpc_connect_program_2_cb
, data
) != 0) {
653 data
->cb(rpc
, status
, command_data
, data
->private_data
);
654 free_rpc_cb_data(data
);
661 int rpc_connect_program_async(struct rpc_context
*rpc
, const char *server
, int program
, int version
, rpc_cb cb
, void *private_data
)
663 struct rpc_cb_data
*data
;
665 data
= malloc(sizeof(struct rpc_cb_data
));
669 memset(data
, 0, sizeof(struct rpc_cb_data
));
670 data
->server
= strdup(server
);
671 data
->program
= program
;
672 data
->version
= version
;
675 data
->private_data
= private_data
;
677 if (rpc_connect_async(rpc
, server
, 111, rpc_connect_program_1_cb
, data
) != 0) {
678 rpc_set_error(rpc
, "Failed to start connection");
679 free_rpc_cb_data(data
);
685 static void free_nfs_cb_data(struct nfs_cb_data
*data
)
687 if (data
->continue_data
!= NULL
) {
688 assert(data
->free_continue_data
);
689 data
->free_continue_data(data
->continue_data
);
692 free(data
->saved_path
);
693 free(data
->fh
.data
.data_val
);
699 static void free_nfsfh(struct nfsfh
*nfsfh
)
701 if (nfsfh
->fh
.data
.data_val
!= NULL
) {
702 free(nfsfh
->fh
.data
.data_val
);
703 nfsfh
->fh
.data
.data_val
= NULL
;
710 static void nfs_mount_10_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
712 struct nfs_cb_data
*data
= private_data
;
713 struct nfs_context
*nfs
= data
->nfs
;
715 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
717 if (status
== RPC_STATUS_ERROR
) {
718 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
719 free_nfs_cb_data(data
);
722 if (status
== RPC_STATUS_CANCEL
) {
723 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
724 free_nfs_cb_data(data
);
728 data
->cb(0, nfs
, NULL
, data
->private_data
);
729 free_nfs_cb_data(data
);
732 static void nfs_mount_9_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
734 struct nfs_cb_data
*data
= private_data
;
735 struct nfs_context
*nfs
= data
->nfs
;
736 FSINFO3res
*res
= command_data
;
737 struct GETATTR3args args
;
739 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
741 if (status
== RPC_STATUS_ERROR
) {
742 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
743 free_nfs_cb_data(data
);
746 if (status
== RPC_STATUS_CANCEL
) {
747 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
748 free_nfs_cb_data(data
);
752 nfs
->readmax
= res
->FSINFO3res_u
.resok
.rtmax
;
753 nfs
->writemax
= res
->FSINFO3res_u
.resok
.wtmax
;
755 memset(&args
, 0, sizeof(GETATTR3args
));
756 args
.object
= nfs
->rootfh
;
758 if (rpc_nfs3_getattr_async(rpc
, nfs_mount_10_cb
, &args
, data
) != 0) {
759 data
->cb(-ENOMEM
, nfs
, command_data
, data
->private_data
);
760 free_nfs_cb_data(data
);
765 static void nfs_mount_8_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
767 struct nfs_cb_data
*data
= private_data
;
768 struct nfs_context
*nfs
= data
->nfs
;
769 struct FSINFO3args args
;
771 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
773 if (status
== RPC_STATUS_ERROR
) {
774 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
775 free_nfs_cb_data(data
);
778 if (status
== RPC_STATUS_CANCEL
) {
779 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
780 free_nfs_cb_data(data
);
784 /* NFS TCP connections we want to autoreconnect after sessions are torn down (due to inactivity or error) */
785 rpc_set_autoreconnect(rpc
);
787 args
.fsroot
= nfs
->rootfh
;
788 if (rpc_nfs3_fsinfo_async(rpc
, nfs_mount_9_cb
, &args
, data
) != 0) {
789 data
->cb(-ENOMEM
, nfs
, command_data
, data
->private_data
);
790 free_nfs_cb_data(data
);
795 static void nfs_mount_6_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
797 struct nfs_cb_data
*data
= private_data
;
798 struct nfs_context
*nfs
= data
->nfs
;
801 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
803 if (status
== RPC_STATUS_ERROR
) {
804 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
805 free_nfs_cb_data(data
);
808 if (status
== RPC_STATUS_CANCEL
) {
809 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
810 free_nfs_cb_data(data
);
815 if (res
->fhs_status
!= MNT3_OK
) {
816 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
));
817 data
->cb(mountstat3_to_errno(res
->fhs_status
), nfs
, rpc_get_error(rpc
), data
->private_data
);
818 free_nfs_cb_data(data
);
822 nfs
->rootfh
.data
.data_len
= res
->mountres3_u
.mountinfo
.fhandle
.fhandle3_len
;
823 nfs
->rootfh
.data
.data_val
= malloc(nfs
->rootfh
.data
.data_len
);
824 if (nfs
->rootfh
.data
.data_val
== NULL
) {
825 rpc_set_error(rpc
, "Out of memory. Could not allocate memory to store root filehandle");
826 data
->cb(-ENOMEM
, nfs
, rpc_get_error(rpc
), data
->private_data
);
827 free_nfs_cb_data(data
);
830 memcpy(nfs
->rootfh
.data
.data_val
, res
->mountres3_u
.mountinfo
.fhandle
.fhandle3_val
, nfs
->rootfh
.data
.data_len
);
832 rpc_disconnect(rpc
, "normal disconnect");
834 if (rpc_connect_program_async(nfs
->rpc
, nfs
->server
, NFS_PROGRAM
, NFS_V3
, nfs_mount_8_cb
, data
) != 0) {
835 data
->cb(-ENOMEM
, nfs
, command_data
, data
->private_data
);
836 free_nfs_cb_data(data
);
842 static void nfs_mount_5_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
844 struct nfs_cb_data
*data
= private_data
;
845 struct nfs_context
*nfs
= data
->nfs
;
847 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
849 if (status
== RPC_STATUS_ERROR
) {
850 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
851 free_nfs_cb_data(data
);
854 if (status
== RPC_STATUS_CANCEL
) {
855 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
856 free_nfs_cb_data(data
);
860 if (rpc_mount3_mnt_async(rpc
, nfs_mount_6_cb
, nfs
->export
, data
) != 0) {
861 data
->cb(-ENOMEM
, nfs
, command_data
, data
->private_data
);
862 free_nfs_cb_data(data
);
868 * Async call for mounting an nfs share and geting the root filehandle
870 int nfs_mount_async(struct nfs_context
*nfs
, const char *server
, const char *export
, nfs_cb cb
, void *private_data
)
872 struct nfs_cb_data
*data
;
873 char *new_server
, *new_export
;
875 data
= malloc(sizeof(struct nfs_cb_data
));
877 rpc_set_error(nfs
->rpc
, "out of memory. failed to allocate memory for nfs mount data");
880 memset(data
, 0, sizeof(struct nfs_cb_data
));
881 new_server
= strdup(server
);
882 new_export
= strdup(export
);
883 if (nfs
->server
!= NULL
) {
886 nfs
->server
= new_server
;
887 if (nfs
->export
!= NULL
) {
890 nfs
->export
= new_export
;
893 data
->private_data
= private_data
;
895 if (rpc_connect_program_async(nfs
->rpc
, server
, MOUNT_PROGRAM
, MOUNT_V3
, nfs_mount_5_cb
, data
) != 0) {
896 rpc_set_error(nfs
->rpc
, "Failed to start connection");
897 free_nfs_cb_data(data
);
907 * Functions to first look up a path, component by component, and then finally call a specific function once
908 * the filehandle for the final component is found.
910 static void nfs_lookup_path_1_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
912 struct nfs_cb_data
*data
= private_data
;
913 struct nfs_context
*nfs
= data
->nfs
;
917 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
919 if (status
== RPC_STATUS_ERROR
) {
920 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
921 free_nfs_cb_data(data
);
924 if (status
== RPC_STATUS_CANCEL
) {
925 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
926 free_nfs_cb_data(data
);
931 if (res
->status
!= NFS3_OK
) {
932 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
));
933 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
934 free_nfs_cb_data(data
);
938 attr
= res
->LOOKUP3res_u
.resok
.obj_attributes
.attributes_follow
?
939 &res
->LOOKUP3res_u
.resok
.obj_attributes
.post_op_attr_u
.attributes
:
942 /* This function will always invoke the callback and cleanup
943 * for failures. So no need to check the return value.
945 nfs_lookup_path_async_internal(nfs
, attr
, data
, &res
->LOOKUP3res_u
.resok
.object
);
948 static int nfs_lookup_path_async_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
, struct nfs_fh3
*fh
)
953 while (*data
->path
== '/') {
958 slash
= strchr(path
, '/');
960 /* Clear slash so that path is a zero terminated string for
961 * the current path component. Set it back to '/' again later
962 * when we are finished referencing this component so that
963 * data->saved_path will still point to the full
967 data
->path
= slash
+1;
969 while (*data
->path
!= 0) {
975 data
->fh
.data
.data_len
= fh
->data
.data_len
;
976 data
->fh
.data
.data_val
= malloc(data
->fh
.data
.data_len
);
977 if (data
->fh
.data
.data_val
== NULL
) {
978 rpc_set_error(nfs
->rpc
, "Out of memory: Failed to allocate fh for %s", data
->path
);
979 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
980 free_nfs_cb_data(data
);
983 memcpy(data
->fh
.data
.data_val
, fh
->data
.data_val
, data
->fh
.data
.data_len
);
987 data
->continue_cb(nfs
, attr
, data
);
991 memset(&args
, 0, sizeof(LOOKUP3args
));
993 args
.what
.name
= path
;
995 if (rpc_nfs3_lookup_async(nfs
->rpc
, nfs_lookup_path_1_cb
, &args
, data
) != 0) {
996 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send lookup call for %s", data
->path
);
997 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
998 free_nfs_cb_data(data
);
1001 if (slash
!= NULL
) {
1007 static int nfs_normalize_path(struct nfs_context
*nfs
, char *path
)
1013 while ((str
= strstr(path
, "//"))) {
1021 while ((str
= strstr(path
, "/./"))) {
1028 /* ^/../ -> error */
1029 if (!strncmp(path
, "/../", 4)) {
1030 rpc_set_error(nfs
->rpc
,
1031 "Absolute path starts with '/../' "
1032 "during normalization");
1036 /* ^[^/] -> error */
1037 if (path
[0] != '/') {
1038 rpc_set_error(nfs
->rpc
,
1039 "Absolute path does not start with '/'");
1043 /* /string/../ -> / */
1044 while ((str
= strstr(path
, "/../"))) {
1047 if (!strncmp(path
, "/../", 4)) {
1048 rpc_set_error(nfs
->rpc
,
1049 "Absolute path starts with '/../' "
1050 "during normalization");
1055 while (*tmp
!= '/') {
1059 while((*(tmp
++) = *(str
++)) != '\0')
1066 if (path
[len
- 1] == '/') {
1067 path
[len
- 1] = '\0';
1071 if (path
[0] == '\0') {
1072 rpc_set_error(nfs
->rpc
,
1073 "Absolute path became '' "
1074 "during normalization");
1080 if (!strcmp(&path
[len
- 2], "/.")) {
1081 path
[len
- 2] = '\0';
1086 /* ^/..$ -> error */
1087 if (!strcmp(path
, "/..")) {
1088 rpc_set_error(nfs
->rpc
,
1089 "Absolute path is '/..' "
1090 "during normalization");
1094 /* /string/..$ -> / */
1096 if (!strcmp(&path
[len
- 3], "/..")) {
1097 char *tmp
= &path
[len
- 3];
1098 while (*--tmp
!= '/')
1107 static void nfs_lookup_path_getattr_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
1109 struct nfs_cb_data
*data
= private_data
;
1110 struct nfs_context
*nfs
= data
->nfs
;
1114 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
1116 if (status
== RPC_STATUS_ERROR
) {
1117 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1118 free_nfs_cb_data(data
);
1121 if (status
== RPC_STATUS_CANCEL
) {
1122 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1123 free_nfs_cb_data(data
);
1128 if (res
->status
!= NFS3_OK
) {
1129 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
));
1130 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1131 free_nfs_cb_data(data
);
1135 attr
= &res
->GETATTR3res_u
.resok
.obj_attributes
;
1136 /* This function will always invoke the callback and cleanup
1137 * for failures. So no need to check the return value.
1139 nfs_lookup_path_async_internal(nfs
, attr
, data
, &nfs
->rootfh
);
1142 static int nfs_lookuppath_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
, continue_func continue_cb
, void *continue_data
, void (*free_continue_data
)(void *), int continue_int
)
1144 struct nfs_cb_data
*data
;
1145 struct GETATTR3args args
;
1147 if (path
[0] == '\0') {
1151 data
= malloc(sizeof(struct nfs_cb_data
));
1153 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate "
1154 "nfs_cb_data structure");
1155 if (free_continue_data
)
1156 free_continue_data(continue_data
);
1159 memset(data
, 0, sizeof(struct nfs_cb_data
));
1162 data
->continue_cb
= continue_cb
;
1163 data
->continue_data
= continue_data
;
1164 data
->free_continue_data
= free_continue_data
;
1165 data
->continue_int
= continue_int
;
1166 data
->private_data
= private_data
;
1167 if (path
[0] == '/') {
1168 data
->saved_path
= strdup(path
);
1170 data
->saved_path
= malloc(strlen(path
) + strlen(nfs
->cwd
) + 2);
1171 if (data
->saved_path
== NULL
) {
1172 rpc_set_error(nfs
->rpc
, "out of memory: failed to "
1173 "malloc path string");
1174 free_nfs_cb_data(data
);
1177 sprintf(data
->saved_path
, "%s/%s", nfs
->cwd
, path
);
1180 if (data
->saved_path
== NULL
) {
1181 rpc_set_error(nfs
->rpc
, "out of memory: failed to copy path string");
1182 free_nfs_cb_data(data
);
1185 if (nfs_normalize_path(nfs
, data
->saved_path
) != 0) {
1186 free_nfs_cb_data(data
);
1190 data
->path
= data
->saved_path
;
1191 if (data
->path
[0]) {
1192 /* This function will always invoke the callback and cleanup
1193 * for failures. So no need to check the return value.
1195 nfs_lookup_path_async_internal(nfs
, NULL
, data
, &nfs
->rootfh
);
1199 /* We have a request for "", so just perform a GETATTR3 so we can
1200 * return the attributes to the caller.
1202 memset(&args
, 0, sizeof(GETATTR3args
));
1203 args
.object
= nfs
->rootfh
;
1204 if (rpc_nfs3_getattr_async(nfs
->rpc
, nfs_lookup_path_getattr_cb
, &args
, data
) != 0) {
1205 free_nfs_cb_data(data
);
1215 static void nfs_stat_1_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
1218 struct nfs_cb_data
*data
= private_data
;
1219 struct nfs_context
*nfs
= data
->nfs
;
1226 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
1228 if (status
== RPC_STATUS_ERROR
) {
1229 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1230 free_nfs_cb_data(data
);
1233 if (status
== RPC_STATUS_CANCEL
) {
1234 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1235 free_nfs_cb_data(data
);
1240 if (res
->status
!= NFS3_OK
) {
1241 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
));
1242 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1243 free_nfs_cb_data(data
);
1248 st
.st_ino
= res
->GETATTR3res_u
.resok
.obj_attributes
.fileid
;
1249 st
.st_mode
= res
->GETATTR3res_u
.resok
.obj_attributes
.mode
;
1250 if (res
->GETATTR3res_u
.resok
.obj_attributes
.type
== NF3DIR
) {
1251 st
.st_mode
|= S_IFDIR
;
1253 if (res
->GETATTR3res_u
.resok
.obj_attributes
.type
== NF3REG
) {
1254 st
.st_mode
|= S_IFREG
;
1256 st
.st_nlink
= res
->GETATTR3res_u
.resok
.obj_attributes
.nlink
;
1257 st
.st_uid
= res
->GETATTR3res_u
.resok
.obj_attributes
.uid
;
1258 st
.st_gid
= res
->GETATTR3res_u
.resok
.obj_attributes
.gid
;
1260 st
.st_size
= res
->GETATTR3res_u
.resok
.obj_attributes
.size
;
1262 st
.st_blksize
= NFS_BLKSIZE
;
1263 st
.st_blocks
= res
->GETATTR3res_u
.resok
.obj_attributes
.size
/ NFS_BLKSIZE
;
1265 st
.st_atime
= res
->GETATTR3res_u
.resok
.obj_attributes
.atime
.seconds
;
1266 st
.st_mtime
= res
->GETATTR3res_u
.resok
.obj_attributes
.mtime
.seconds
;
1267 st
.st_ctime
= res
->GETATTR3res_u
.resok
.obj_attributes
.ctime
.seconds
;
1269 data
->cb(0, nfs
, &st
, data
->private_data
);
1270 free_nfs_cb_data(data
);
1273 static int nfs_stat_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
1275 struct GETATTR3args args
;
1277 memset(&args
, 0, sizeof(GETATTR3args
));
1278 args
.object
= data
->fh
;
1280 if (rpc_nfs3_getattr_async(nfs
->rpc
, nfs_stat_1_cb
, &args
, data
) != 0) {
1281 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send STAT GETATTR call for %s", data
->path
);
1282 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1283 free_nfs_cb_data(data
);
1289 int nfs_stat_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
1291 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_stat_continue_internal
, NULL
, NULL
, 0) != 0) {
1292 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
1301 * Async nfs_stat64()
1303 static void nfs_stat64_1_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
1306 struct nfs_cb_data
*data
= private_data
;
1307 struct nfs_context
*nfs
= data
->nfs
;
1308 struct nfs_stat_64 st
;
1310 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
1312 if (status
== RPC_STATUS_ERROR
) {
1313 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1314 free_nfs_cb_data(data
);
1317 if (status
== RPC_STATUS_CANCEL
) {
1318 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1319 free_nfs_cb_data(data
);
1324 if (res
->status
!= NFS3_OK
) {
1325 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
));
1326 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1327 free_nfs_cb_data(data
);
1332 st
.nfs_ino
= res
->GETATTR3res_u
.resok
.obj_attributes
.fileid
;
1333 st
.nfs_mode
= res
->GETATTR3res_u
.resok
.obj_attributes
.mode
;
1334 if (res
->GETATTR3res_u
.resok
.obj_attributes
.type
== NF3DIR
) {
1335 st
.nfs_mode
|= S_IFDIR
;
1337 if (res
->GETATTR3res_u
.resok
.obj_attributes
.type
== NF3REG
) {
1338 st
.nfs_mode
|= S_IFREG
;
1340 st
.nfs_nlink
= res
->GETATTR3res_u
.resok
.obj_attributes
.nlink
;
1341 st
.nfs_uid
= res
->GETATTR3res_u
.resok
.obj_attributes
.uid
;
1342 st
.nfs_gid
= res
->GETATTR3res_u
.resok
.obj_attributes
.gid
;
1344 st
.nfs_size
= res
->GETATTR3res_u
.resok
.obj_attributes
.size
;
1345 st
.nfs_atime
= res
->GETATTR3res_u
.resok
.obj_attributes
.atime
.seconds
;
1346 st
.nfs_mtime
= res
->GETATTR3res_u
.resok
.obj_attributes
.mtime
.seconds
;
1347 st
.nfs_ctime
= res
->GETATTR3res_u
.resok
.obj_attributes
.ctime
.seconds
;
1349 data
->cb(0, nfs
, &st
, data
->private_data
);
1350 free_nfs_cb_data(data
);
1353 static int nfs_stat64_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
1355 struct GETATTR3args args
;
1357 memset(&args
, 0, sizeof(GETATTR3args
));
1358 args
.object
= data
->fh
;
1360 if (rpc_nfs3_getattr_async(nfs
->rpc
, nfs_stat64_1_cb
, &args
, data
) != 0) {
1361 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send STAT GETATTR call for %s", data
->path
);
1362 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1363 free_nfs_cb_data(data
);
1369 int nfs_stat64_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
1371 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_stat64_continue_internal
, NULL
, NULL
, 0) != 0) {
1372 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
1382 static void nfs_open_trunc_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
1384 struct nfs_cb_data
*data
= private_data
;
1385 struct nfs_context
*nfs
= data
->nfs
;
1386 struct nfsfh
*nfsfh
;
1389 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
1391 if (status
== RPC_STATUS_ERROR
) {
1392 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1393 free_nfs_cb_data(data
);
1396 if (status
== RPC_STATUS_CANCEL
) {
1397 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1398 free_nfs_cb_data(data
);
1403 if (res
->status
!= NFS3_OK
) {
1404 rpc_set_error(nfs
->rpc
, "NFS: Setattr failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
1405 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1406 free_nfs_cb_data(data
);
1410 nfsfh
= malloc(sizeof(struct nfsfh
));
1411 if (nfsfh
== NULL
) {
1412 rpc_set_error(nfs
->rpc
, "NFS: Failed to allocate nfsfh structure");
1413 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1414 free_nfs_cb_data(data
);
1417 memset(nfsfh
, 0, sizeof(struct nfsfh
));
1419 if (data
->continue_int
& O_SYNC
) {
1422 if (data
->continue_int
& O_APPEND
) {
1423 nfsfh
->is_append
= 1;
1426 /* steal the filehandle */
1427 nfsfh
->fh
= data
->fh
;
1428 data
->fh
.data
.data_val
= NULL
;
1430 data
->cb(0, nfs
, nfsfh
, data
->private_data
);
1431 free_nfs_cb_data(data
);
1434 static void nfs_open_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
1437 struct nfs_cb_data
*data
= private_data
;
1438 struct nfs_context
*nfs
= data
->nfs
;
1439 struct nfsfh
*nfsfh
;
1440 unsigned int nfsmode
= 0;
1442 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
1444 if (status
== RPC_STATUS_ERROR
) {
1445 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1446 free_nfs_cb_data(data
);
1449 if (status
== RPC_STATUS_CANCEL
) {
1450 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1451 free_nfs_cb_data(data
);
1456 if (res
->status
!= NFS3_OK
) {
1457 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
));
1458 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1459 free_nfs_cb_data(data
);
1463 if (data
->continue_int
& O_WRONLY
) {
1464 nfsmode
|= ACCESS3_MODIFY
;
1466 if (data
->continue_int
& O_RDWR
) {
1467 nfsmode
|= ACCESS3_READ
|ACCESS3_MODIFY
;
1469 if (!(data
->continue_int
& (O_WRONLY
|O_RDWR
))) {
1470 nfsmode
|= ACCESS3_READ
;
1474 if (res
->ACCESS3res_u
.resok
.access
!= nfsmode
) {
1475 rpc_set_error(nfs
->rpc
, "NFS: ACCESS denied. Required access %c%c%c. Allowed access %c%c%c",
1476 nfsmode
&ACCESS3_READ
?'r':'-',
1477 nfsmode
&ACCESS3_MODIFY
?'w':'-',
1478 nfsmode
&ACCESS3_EXECUTE
?'x':'-',
1479 res
->ACCESS3res_u
.resok
.access
&ACCESS3_READ
?'r':'-',
1480 res
->ACCESS3res_u
.resok
.access
&ACCESS3_MODIFY
?'w':'-',
1481 res
->ACCESS3res_u
.resok
.access
&ACCESS3_EXECUTE
?'x':'-');
1482 data
->cb(-EACCES
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1483 free_nfs_cb_data(data
);
1487 /* Try to truncate it if we were requested to */
1488 if ((data
->continue_int
& O_TRUNC
) &&
1489 (data
->continue_int
& (O_RDWR
|O_WRONLY
))) {
1492 memset(&args
, 0, sizeof(SETATTR3args
));
1493 args
.object
= data
->fh
;
1494 args
.new_attributes
.size
.set_it
= 1;
1495 args
.new_attributes
.size
.set_size3_u
.size
= 0;
1497 if (rpc_nfs3_setattr_async(nfs
->rpc
, nfs_open_trunc_cb
, &args
,
1499 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send "
1500 "SETATTR call for %s", data
->path
);
1501 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
),
1502 data
->private_data
);
1503 free_nfs_cb_data(data
);
1509 nfsfh
= malloc(sizeof(struct nfsfh
));
1510 if (nfsfh
== NULL
) {
1511 rpc_set_error(nfs
->rpc
, "NFS: Failed to allocate nfsfh structure");
1512 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1513 free_nfs_cb_data(data
);
1516 memset(nfsfh
, 0, sizeof(struct nfsfh
));
1518 if (data
->continue_int
& O_SYNC
) {
1521 if (data
->continue_int
& O_APPEND
) {
1522 nfsfh
->is_append
= 1;
1525 /* steal the filehandle */
1526 nfsfh
->fh
= data
->fh
;
1527 data
->fh
.data
.data_val
= NULL
;
1529 data
->cb(0, nfs
, nfsfh
, data
->private_data
);
1530 free_nfs_cb_data(data
);
1533 static int nfs_open_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
1538 if (data
->continue_int
& O_WRONLY
) {
1539 nfsmode
|= ACCESS3_MODIFY
;
1541 if (data
->continue_int
& O_RDWR
) {
1542 nfsmode
|= ACCESS3_READ
|ACCESS3_MODIFY
;
1544 if (!(data
->continue_int
& (O_WRONLY
|O_RDWR
))) {
1545 nfsmode
|= ACCESS3_READ
;
1548 memset(&args
, 0, sizeof(ACCESS3args
));
1549 args
.object
= data
->fh
;
1550 args
.access
= nfsmode
;
1552 if (rpc_nfs3_access_async(nfs
->rpc
, nfs_open_cb
, &args
, data
) != 0) {
1553 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send OPEN ACCESS "
1554 "call for %s", data
->path
);
1555 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
),
1556 data
->private_data
);
1557 free_nfs_cb_data(data
);
1563 int nfs_open_async(struct nfs_context
*nfs
, const char *path
, int flags
, nfs_cb cb
, void *private_data
)
1565 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_open_continue_internal
, NULL
, NULL
, flags
) != 0) {
1566 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
1577 static int nfs_chdir_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
1579 /* steal saved_path */
1581 nfs
->cwd
= data
->saved_path
;
1582 data
->saved_path
= NULL
;
1584 data
->cb(0, nfs
, NULL
, data
->private_data
);
1585 free_nfs_cb_data(data
);
1590 int nfs_chdir_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
1592 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_chdir_continue_internal
, NULL
, NULL
, 0) != 0) {
1593 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
1604 static void nfs_fill_READ3args(READ3args
*args
, struct nfsfh
*fh
, uint64_t offset
, uint64_t count
)
1606 memset(args
, 0, sizeof(READ3args
));
1607 args
->file
= fh
->fh
;
1608 args
->offset
= offset
;
1609 args
->count
= count
;
1612 static void nfs_pread_mcb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
1614 struct nfs_mcb_data
*mdata
= private_data
;
1615 struct nfs_cb_data
*data
= mdata
->data
;
1616 struct nfs_context
*nfs
= data
->nfs
;
1619 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
1623 if (status
== RPC_STATUS_ERROR
) {
1624 /* flag the failure but do not invoke callback until we have received all responses */
1627 if (status
== RPC_STATUS_CANCEL
) {
1628 /* flag the cancellation but do not invoke callback until we have received all responses */
1632 if (status
== RPC_STATUS_SUCCESS
) {
1634 if (res
->status
!= NFS3_OK
) {
1635 rpc_set_error(nfs
->rpc
, "NFS: Read failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
1638 uint64_t count
= res
->READ3res_u
.resok
.count
;
1640 if (mdata
->update_pos
)
1641 data
->nfsfh
->offset
+= count
;
1643 /* if we have more than one call or we have received a short read we need a reassembly buffer */
1644 if (data
->num_calls
|| (count
< mdata
->count
&& !res
->READ3res_u
.resok
.eof
)) {
1645 if (data
->buffer
== NULL
) {
1646 data
->buffer
= malloc(data
->count
);
1647 if (data
->buffer
== NULL
) {
1648 rpc_set_error(nfs
->rpc
, "Out-Of-Memory: Failed to allocate reassembly buffer for %d bytes", (int)data
->count
);
1654 if (count
<= mdata
->count
) {
1655 /* copy data into reassembly buffer if we have one */
1656 if (data
->buffer
!= NULL
) {
1657 memcpy(&data
->buffer
[mdata
->offset
- data
->offset
], res
->READ3res_u
.resok
.data
.data_val
, count
);
1659 if (data
->max_offset
< mdata
->offset
+ count
) {
1660 data
->max_offset
= mdata
->offset
+ count
;
1663 rpc_set_error(nfs
->rpc
, "NFS: Read overflow. Server has sent more data than requested!");
1667 /* check if we have received a short read */
1668 if (count
< mdata
->count
&& !res
->READ3res_u
.resok
.eof
) {
1670 rpc_set_error(nfs
->rpc
, "NFS: Read failed. No bytes read and not at EOF!");
1673 /* reissue reminder of this read request */
1675 mdata
->offset
+= count
;
1676 mdata
->count
-= count
;
1677 nfs_fill_READ3args(&args
, data
->nfsfh
, mdata
->offset
, mdata
->count
);
1678 if (rpc_nfs3_read_async(nfs
->rpc
, nfs_pread_mcb
, &args
, mdata
) == 0) {
1682 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READ call for %s", data
->path
);
1692 if (data
->num_calls
> 0) {
1693 /* still waiting for more replies */
1696 if (data
->oom
!= 0) {
1697 data
->cb(-ENOMEM
, nfs
, command_data
, data
->private_data
);
1698 free_nfs_cb_data(data
);
1701 if (data
->error
!= 0) {
1702 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1703 free_nfs_cb_data(data
);
1706 if (data
->cancel
!= 0) {
1707 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1708 free_nfs_cb_data(data
);
1713 if (data
->max_offset
> data
->org_offset
+ data
->org_count
) {
1714 data
->max_offset
= data
->org_offset
+ data
->org_count
;
1716 data
->cb(data
->max_offset
- data
->org_offset
, nfs
, data
->buffer
+ (data
->org_offset
- data
->offset
), data
->private_data
);
1718 data
->cb(res
->READ3res_u
.resok
.count
, nfs
, res
->READ3res_u
.resok
.data
.data_val
, data
->private_data
);
1721 data
->nfsfh
->ra
.fh_offset
= data
->max_offset
;
1722 if (data
->nfsfh
->ra
.cur_ra
) {
1723 free(data
->nfsfh
->ra
.buf
);
1724 data
->nfsfh
->ra
.buf
= data
->buffer
;
1725 data
->nfsfh
->ra
.buf_offset
= data
->offset
;
1726 data
->nfsfh
->ra
.buf_count
= data
->count
;
1727 data
->nfsfh
->ra
.buf_ts
= time(NULL
);
1728 data
->buffer
= NULL
;
1730 free_nfs_cb_data(data
);
1733 static void nfs_ra_invalidate(struct nfsfh
*nfsfh
) {
1734 free(nfsfh
->ra
.buf
);
1735 nfsfh
->ra
.buf
= NULL
;
1736 nfsfh
->ra
.buf_offset
= 0;
1737 nfsfh
->ra
.buf_count
= 0;
1738 nfsfh
->ra
.buf_ts
= time(NULL
);
1739 nfsfh
->ra
.cur_ra
= NFS_BLKSIZE
;
1742 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
)
1744 struct nfs_cb_data
*data
;
1746 data
= malloc(sizeof(struct nfs_cb_data
));
1748 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_cb_data structure");
1751 memset(data
, 0, sizeof(struct nfs_cb_data
));
1754 data
->private_data
= private_data
;
1755 data
->nfsfh
= nfsfh
;
1756 data
->org_offset
= offset
;
1757 data
->org_count
= count
;
1759 assert(data
->num_calls
== 0);
1761 if (nfs
->rpc
->readahead
&& time(NULL
) - nfsfh
->ra
.buf_ts
> NFS_RA_TIMEOUT
) {
1762 /* readahead cache timeout */
1763 nfs_ra_invalidate(nfsfh
);
1766 if (nfs
->rpc
->readahead
) {
1767 if (offset
>= nfsfh
->ra
.last_offset
&&
1768 offset
- NFS_BLKSIZE
<= nfsfh
->ra
.fh_offset
+ nfsfh
->ra
.cur_ra
) {
1769 if (nfs
->rpc
->readahead
> nfsfh
->ra
.cur_ra
) {
1770 nfsfh
->ra
.cur_ra
<<= 1;
1773 nfsfh
->ra
.cur_ra
= NFS_BLKSIZE
;
1776 nfsfh
->ra
.last_offset
= offset
;
1778 if (nfsfh
->ra
.buf_offset
<= offset
&&
1779 nfsfh
->ra
.buf_offset
+ nfsfh
->ra
.buf_count
>= offset
+ count
) {
1780 /* serve request completely from cache */
1781 data
->buffer
= malloc(count
);
1782 if (data
->buffer
== NULL
) {
1783 free_nfs_cb_data(data
);
1786 memcpy(data
->buffer
, nfsfh
->ra
.buf
+ (offset
- nfsfh
->ra
.buf_offset
), count
);
1787 data
->cb(count
, nfs
, data
->buffer
, data
->private_data
);
1788 nfsfh
->ra
.fh_offset
= offset
+ count
;
1789 free_nfs_cb_data(data
);
1793 /* align start offset to blocksize */
1794 count
+= offset
& (NFS_BLKSIZE
- 1);
1795 offset
&= ~(NFS_BLKSIZE
- 1);
1797 /* align end offset to blocksize and add readahead */
1798 count
+= nfsfh
->ra
.cur_ra
- 1;
1799 count
&= ~(NFS_BLKSIZE
- 1);
1801 data
->buffer
= malloc(count
);
1802 if (data
->buffer
== NULL
) {
1803 free_nfs_cb_data(data
);
1806 data
->offset
= offset
;
1807 data
->count
= count
;
1809 if (nfsfh
->ra
.buf_count
&& nfsfh
->ra
.buf_offset
<= offset
&&
1810 nfsfh
->ra
.buf_offset
+ nfsfh
->ra
.buf_count
>= offset
) {
1811 /* serve request partially from cache */
1812 size_t overlap
= (nfsfh
->ra
.buf_offset
+ nfsfh
->ra
.buf_count
) - offset
;
1813 if (overlap
> count
) count
= overlap
;
1814 memcpy(data
->buffer
, nfsfh
->ra
.buf
+ (offset
- nfsfh
->ra
.buf_offset
), overlap
);
1819 data
->offset
= offset
;
1820 data
->count
= count
;
1823 data
->max_offset
= offset
;
1825 /* chop requests into chunks of at most READMAX bytes if necessary.
1826 * we send all reads in parallel so that performance is still good.
1829 uint64_t readcount
= count
;
1830 struct nfs_mcb_data
*mdata
;
1833 if (readcount
> nfs_get_readmax(nfs
)) {
1834 readcount
= nfs_get_readmax(nfs
);
1837 mdata
= malloc(sizeof(struct nfs_mcb_data
));
1838 if (mdata
== NULL
) {
1839 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_mcb_data structure");
1840 if (data
->num_calls
== 0) {
1841 free_nfs_cb_data(data
);
1847 memset(mdata
, 0, sizeof(struct nfs_mcb_data
));
1849 mdata
->offset
= offset
;
1850 mdata
->count
= readcount
;
1851 mdata
->update_pos
= update_pos
;
1853 nfs_fill_READ3args(&args
, nfsfh
, offset
, readcount
);
1855 if (rpc_nfs3_read_async(nfs
->rpc
, nfs_pread_mcb
, &args
, mdata
) != 0) {
1856 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READ call for %s", data
->path
);
1858 if (data
->num_calls
== 0) {
1859 free_nfs_cb_data(data
);
1867 offset
+= readcount
;
1869 } while (count
> 0);
1874 int nfs_pread_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, uint64_t offset
, uint64_t count
, nfs_cb cb
, void *private_data
)
1876 return nfs_pread_async_internal(nfs
, nfsfh
, offset
, count
, cb
, private_data
, 0);
1882 int nfs_read_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, uint64_t count
, nfs_cb cb
, void *private_data
)
1884 return nfs_pread_async_internal(nfs
, nfsfh
, nfsfh
->offset
, count
, cb
, private_data
, 1);
1892 static void nfs_fill_WRITE3args (WRITE3args
*args
, struct nfsfh
*fh
, uint64_t offset
, uint64_t count
,
1895 memset(args
, 0, sizeof(WRITE3args
));
1896 args
->file
= fh
->fh
;
1897 args
->offset
= offset
;
1898 args
->count
= count
;
1899 args
->stable
= fh
->is_sync
? FILE_SYNC
: UNSTABLE
;
1900 args
->data
.data_len
= count
;
1901 args
->data
.data_val
= buf
;
1904 static void nfs_pwrite_mcb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
1906 struct nfs_mcb_data
*mdata
= private_data
;
1907 struct nfs_cb_data
*data
= mdata
->data
;
1908 struct nfs_context
*nfs
= data
->nfs
;
1911 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
1915 if (status
== RPC_STATUS_ERROR
) {
1916 /* flag the failure but do not invoke callback until we have received all responses */
1919 if (status
== RPC_STATUS_CANCEL
) {
1920 /* flag the cancellation but do not invoke callback until we have received all responses */
1924 if (status
== RPC_STATUS_SUCCESS
) {
1926 if (res
->status
!= NFS3_OK
) {
1927 rpc_set_error(nfs
->rpc
, "NFS: Write failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
1930 uint64_t count
= res
->WRITE3res_u
.resok
.count
;
1932 if (mdata
->update_pos
)
1933 data
->nfsfh
->offset
+= count
;
1935 if (count
< mdata
->count
) {
1937 rpc_set_error(nfs
->rpc
, "NFS: Write failed. No bytes written!");
1940 /* reissue reminder of this write request */
1942 mdata
->offset
+= count
;
1943 mdata
->count
-= count
;
1945 nfs_fill_WRITE3args(&args
, data
->nfsfh
, mdata
->offset
, mdata
->count
,
1946 &data
->usrbuf
[mdata
->offset
- data
->offset
]);
1947 if (rpc_nfs3_write_async(nfs
->rpc
, nfs_pwrite_mcb
, &args
, mdata
) == 0) {
1951 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send WRITE call for %s", data
->path
);
1957 if (data
->max_offset
< mdata
->offset
+ count
) {
1958 data
->max_offset
= mdata
->offset
+ count
;
1966 if (data
->num_calls
> 0) {
1967 /* still waiting for more replies */
1970 if (data
->oom
!= 0) {
1971 data
->cb(-ENOMEM
, nfs
, command_data
, data
->private_data
);
1972 free_nfs_cb_data(data
);
1975 if (data
->error
!= 0) {
1976 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1977 free_nfs_cb_data(data
);
1980 if (data
->cancel
!= 0) {
1981 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1982 free_nfs_cb_data(data
);
1986 data
->cb(data
->max_offset
- data
->offset
, nfs
, NULL
, data
->private_data
);
1988 free_nfs_cb_data(data
);
1992 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
)
1994 struct nfs_cb_data
*data
;
1996 data
= malloc(sizeof(struct nfs_cb_data
));
1998 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_cb_data structure");
2001 memset(data
, 0, sizeof(struct nfs_cb_data
));
2004 data
->private_data
= private_data
;
2005 data
->nfsfh
= nfsfh
;
2008 /* hello, clang-analyzer */
2009 assert(data
->num_calls
== 0);
2011 /* chop requests into chunks of at most WRITEMAX bytes if necessary.
2012 * we send all writes in parallel so that performance is still good.
2014 data
->max_offset
= offset
;
2015 data
->offset
= offset
;
2018 uint64_t writecount
= count
;
2019 struct nfs_mcb_data
*mdata
;
2022 if (writecount
> nfs_get_writemax(nfs
)) {
2023 writecount
= nfs_get_writemax(nfs
);
2026 mdata
= malloc(sizeof(struct nfs_mcb_data
));
2027 if (mdata
== NULL
) {
2028 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_mcb_data structure");
2029 if (data
->num_calls
== 0) {
2030 free_nfs_cb_data(data
);
2036 memset(mdata
, 0, sizeof(struct nfs_mcb_data
));
2038 mdata
->offset
= offset
;
2039 mdata
->count
= writecount
;
2040 mdata
->update_pos
= update_pos
;
2042 nfs_fill_WRITE3args(&args
, nfsfh
, offset
, writecount
, &buf
[offset
- data
->offset
]);
2044 if (rpc_nfs3_write_async(nfs
->rpc
, nfs_pwrite_mcb
, &args
, mdata
) != 0) {
2045 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send WRITE call for %s", data
->path
);
2047 if (data
->num_calls
== 0) {
2048 free_nfs_cb_data(data
);
2055 count
-= writecount
;
2056 offset
+= writecount
;
2058 } while (count
> 0);
2063 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
)
2065 return nfs_pwrite_async_internal(nfs
, nfsfh
, offset
, count
, buf
, cb
, private_data
, 0);
2071 static void nfs_write_append_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2073 struct nfs_cb_data
*data
= private_data
;
2074 struct nfs_context
*nfs
= data
->nfs
;
2077 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
2079 if (status
== RPC_STATUS_ERROR
) {
2080 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2081 free_nfs_cb_data(data
);
2084 if (status
== RPC_STATUS_CANCEL
) {
2085 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2086 free_nfs_cb_data(data
);
2091 if (res
->status
!= NFS3_OK
) {
2092 rpc_set_error(nfs
->rpc
, "NFS: GETATTR failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
2093 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2094 free_nfs_cb_data(data
);
2098 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) {
2099 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2100 free_nfs_cb_data(data
);
2103 free_nfs_cb_data(data
);
2106 int nfs_write_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, uint64_t count
, char *buf
, nfs_cb cb
, void *private_data
)
2108 nfs_ra_invalidate(nfsfh
);
2109 if (nfsfh
->is_append
) {
2110 struct GETATTR3args args
;
2111 struct nfs_cb_data
*data
;
2113 data
= malloc(sizeof(struct nfs_cb_data
));
2115 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_cb_data structure");
2118 memset(data
, 0, sizeof(struct nfs_cb_data
));
2121 data
->private_data
= private_data
;
2122 data
->nfsfh
= nfsfh
;
2124 data
->count
= count
;
2126 memset(&args
, 0, sizeof(GETATTR3args
));
2127 args
.object
= nfsfh
->fh
;
2129 if (rpc_nfs3_getattr_async(nfs
->rpc
, nfs_write_append_cb
, &args
, data
) != 0) {
2130 rpc_set_error(nfs
->rpc
, "out of memory: failed to send GETATTR");
2131 free_nfs_cb_data(data
);
2136 return nfs_pwrite_async_internal(nfs
, nfsfh
, nfsfh
->offset
, count
, buf
, cb
, private_data
, 1);
2146 int nfs_close_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, nfs_cb cb
, void *private_data
)
2149 cb(0, nfs
, NULL
, private_data
);
2160 int nfs_fstat_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, nfs_cb cb
, void *private_data
)
2162 struct nfs_cb_data
*data
;
2163 struct GETATTR3args args
;
2165 data
= malloc(sizeof(struct nfs_cb_data
));
2167 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_cb_data structure");
2170 memset(data
, 0, sizeof(struct nfs_cb_data
));
2173 data
->private_data
= private_data
;
2175 memset(&args
, 0, sizeof(GETATTR3args
));
2176 args
.object
= nfsfh
->fh
;
2178 if (rpc_nfs3_getattr_async(nfs
->rpc
, nfs_stat_1_cb
, &args
, data
) != 0) {
2179 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send STAT GETATTR call for %s", data
->path
);
2180 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2181 free_nfs_cb_data(data
);
2192 static void nfs_fsync_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2194 struct nfs_cb_data
*data
= private_data
;
2195 struct nfs_context
*nfs
= data
->nfs
;
2198 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
2200 if (status
== RPC_STATUS_ERROR
) {
2201 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2202 free_nfs_cb_data(data
);
2205 if (status
== RPC_STATUS_CANCEL
) {
2206 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2207 free_nfs_cb_data(data
);
2212 if (res
->status
!= NFS3_OK
) {
2213 rpc_set_error(nfs
->rpc
, "NFS: Commit failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
2214 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2215 free_nfs_cb_data(data
);
2219 data
->cb(0, nfs
, NULL
, data
->private_data
);
2220 free_nfs_cb_data(data
);
2223 int nfs_fsync_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, nfs_cb cb
, void *private_data
)
2225 struct nfs_cb_data
*data
;
2226 struct COMMIT3args args
;
2228 data
= malloc(sizeof(struct nfs_cb_data
));
2230 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_cb_data structure");
2233 memset(data
, 0, sizeof(struct nfs_cb_data
));
2236 data
->private_data
= private_data
;
2238 args
.file
= nfsfh
->fh
;
2241 if (rpc_nfs3_commit_async(nfs
->rpc
, nfs_fsync_cb
, &args
, data
) != 0) {
2242 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send COMMIT call for %s", data
->path
);
2243 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2244 free_nfs_cb_data(data
);
2256 static void nfs_ftruncate_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2258 struct nfs_cb_data
*data
= private_data
;
2259 struct nfs_context
*nfs
= data
->nfs
;
2262 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
2264 if (status
== RPC_STATUS_ERROR
) {
2265 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2266 free_nfs_cb_data(data
);
2269 if (status
== RPC_STATUS_CANCEL
) {
2270 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2271 free_nfs_cb_data(data
);
2276 if (res
->status
!= NFS3_OK
) {
2277 rpc_set_error(nfs
->rpc
, "NFS: Setattr failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
2278 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2279 free_nfs_cb_data(data
);
2283 data
->cb(0, nfs
, NULL
, data
->private_data
);
2284 free_nfs_cb_data(data
);
2287 int nfs_ftruncate_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, uint64_t length
, nfs_cb cb
, void *private_data
)
2289 struct nfs_cb_data
*data
;
2292 data
= malloc(sizeof(struct nfs_cb_data
));
2294 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_cb_data structure");
2297 memset(data
, 0, sizeof(struct nfs_cb_data
));
2300 data
->private_data
= private_data
;
2302 memset(&args
, 0, sizeof(SETATTR3args
));
2303 args
.object
= nfsfh
->fh
;
2304 args
.new_attributes
.size
.set_it
= 1;
2305 args
.new_attributes
.size
.set_size3_u
.size
= length
;
2307 if (rpc_nfs3_setattr_async(nfs
->rpc
, nfs_ftruncate_cb
, &args
, data
) != 0) {
2308 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SETATTR call for %s", data
->path
);
2309 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2310 free_nfs_cb_data(data
);
2320 static int nfs_truncate_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
2322 uint64_t offset
= data
->continue_int
;
2325 nfsfh
.fh
= data
->fh
;
2327 if (nfs_ftruncate_async(nfs
, &nfsfh
, offset
, data
->cb
, data
->private_data
) != 0) {
2328 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SETATTR call for %s", data
->path
);
2329 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2330 free_nfs_cb_data(data
);
2333 free_nfs_cb_data(data
);
2337 int nfs_truncate_async(struct nfs_context
*nfs
, const char *path
, uint64_t length
, nfs_cb cb
, void *private_data
)
2343 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_truncate_continue_internal
, NULL
, NULL
, offset
) != 0) {
2344 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
2357 static void nfs_mkdir_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2360 struct nfs_cb_data
*data
= private_data
;
2361 struct nfs_context
*nfs
= data
->nfs
;
2362 char *str
= data
->continue_data
;
2364 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
2366 str
= &str
[strlen(str
) + 1];
2368 if (status
== RPC_STATUS_ERROR
) {
2369 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2370 free_nfs_cb_data(data
);
2373 if (status
== RPC_STATUS_CANCEL
) {
2374 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2375 free_nfs_cb_data(data
);
2380 if (res
->status
!= NFS3_OK
) {
2381 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
));
2382 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2383 free_nfs_cb_data(data
);
2387 data
->cb(0, nfs
, NULL
, data
->private_data
);
2388 free_nfs_cb_data(data
);
2391 static int nfs_mkdir_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
2393 char *str
= data
->continue_data
;
2396 str
= &str
[strlen(str
) + 1];
2398 memset(&args
, 0, sizeof(MKDIR3args
));
2399 args
.where
.dir
= data
->fh
;
2400 args
.where
.name
= str
;
2401 args
.attributes
.mode
.set_it
= 1;
2402 args
.attributes
.mode
.set_mode3_u
.mode
= 0755;
2404 if (rpc_nfs3_mkdir_async(nfs
->rpc
, nfs_mkdir_cb
, &args
, data
) != 0) {
2405 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send MKDIR call for %s", data
->path
);
2406 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2407 free_nfs_cb_data(data
);
2413 int nfs_mkdir_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
2418 new_path
= strdup(path
);
2419 if (new_path
== NULL
) {
2420 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for path");
2424 ptr
= strrchr(new_path
, '/');
2427 rpc_set_error(nfs
->rpc
, "Invalid path %s", path
);
2432 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
2433 if (nfs_lookuppath_async(nfs
, new_path
, cb
, private_data
, nfs_mkdir_continue_internal
, new_path
, free
, 0) != 0) {
2434 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path component");
2448 static void nfs_rmdir_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2451 struct nfs_cb_data
*data
= private_data
;
2452 struct nfs_context
*nfs
= data
->nfs
;
2453 char *str
= data
->continue_data
;
2455 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
2457 str
= &str
[strlen(str
) + 1];
2459 if (status
== RPC_STATUS_ERROR
) {
2460 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2461 free_nfs_cb_data(data
);
2464 if (status
== RPC_STATUS_CANCEL
) {
2465 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2466 free_nfs_cb_data(data
);
2471 if (res
->status
!= NFS3_OK
) {
2472 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
));
2473 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2474 free_nfs_cb_data(data
);
2478 data
->cb(0, nfs
, NULL
, data
->private_data
);
2479 free_nfs_cb_data(data
);
2482 static int nfs_rmdir_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
2484 char *str
= data
->continue_data
;
2487 str
= &str
[strlen(str
) + 1];
2489 args
.object
.dir
= data
->fh
;
2490 args
.object
.name
= str
;
2491 if (rpc_nfs3_rmdir_async(nfs
->rpc
, nfs_rmdir_cb
, &args
, data
) != 0) {
2492 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send RMDIR call for %s", data
->path
);
2493 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2494 free_nfs_cb_data(data
);
2500 int nfs_rmdir_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
2505 new_path
= strdup(path
);
2506 if (new_path
== NULL
) {
2507 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for path");
2511 ptr
= strrchr(new_path
, '/');
2514 rpc_set_error(nfs
->rpc
, "Invalid path %s", path
);
2519 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
2520 if (nfs_lookuppath_async(nfs
, new_path
, cb
, private_data
, nfs_rmdir_continue_internal
, new_path
, free
, 0) != 0) {
2521 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
2534 struct create_cb_data
{
2540 static void free_create_cb_data(void *ptr
)
2542 struct create_cb_data
*data
= ptr
;
2548 static void nfs_create_trunc_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2550 struct nfs_cb_data
*data
= private_data
;
2551 struct nfs_context
*nfs
= data
->nfs
;
2552 struct nfsfh
*nfsfh
;
2555 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
2557 if (status
== RPC_STATUS_ERROR
) {
2558 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2559 free_nfs_cb_data(data
);
2563 if (status
== RPC_STATUS_CANCEL
) {
2564 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2565 free_nfs_cb_data(data
);
2571 if (res
->status
!= NFS3_OK
) {
2572 rpc_set_error(nfs
->rpc
, "NFS: Setattr failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
2573 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2574 free_nfs_cb_data(data
);
2579 data
->cb(0, nfs
, data
->nfsfh
, data
->private_data
);
2580 free_nfs_cb_data(data
);
2583 static void nfs_create_2_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2586 struct nfs_cb_data
*data
= private_data
;
2587 struct nfs_context
*nfs
= data
->nfs
;
2588 struct nfsfh
*nfsfh
;
2589 struct create_cb_data
*cb_data
= data
->continue_data
;
2590 char *str
= cb_data
->path
;
2592 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
2594 if (status
== RPC_STATUS_ERROR
) {
2595 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2596 free_nfs_cb_data(data
);
2599 if (status
== RPC_STATUS_CANCEL
) {
2600 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2601 free_nfs_cb_data(data
);
2605 str
= &str
[strlen(str
) + 1];
2607 if (res
->status
!= NFS3_OK
) {
2608 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
));
2609 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2614 nfsfh
= malloc(sizeof(struct nfsfh
));
2615 if (nfsfh
== NULL
) {
2616 rpc_set_error(nfs
->rpc
, "NFS: Failed to allocate nfsfh structure");
2617 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2618 free_nfs_cb_data(data
);
2621 memset(nfsfh
, 0, sizeof(struct nfsfh
));
2623 if (cb_data
->flags
& O_SYNC
) {
2626 if (cb_data
->flags
& O_APPEND
) {
2627 nfsfh
->is_append
= 1;
2630 /* copy the filehandle */
2631 nfsfh
->fh
.data
.data_len
= res
->LOOKUP3res_u
.resok
.object
.data
.data_len
;
2632 nfsfh
->fh
.data
.data_val
= malloc(nfsfh
->fh
.data
.data_len
);
2633 if (nfsfh
->fh
.data
.data_val
== NULL
) {
2634 rpc_set_error(nfs
->rpc
, "Out of memory: Failed to allocate fh structure");
2635 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2636 free_nfs_cb_data(data
);
2640 memcpy(nfsfh
->fh
.data
.data_val
, res
->LOOKUP3res_u
.resok
.object
.data
.data_val
, nfsfh
->fh
.data
.data_len
);
2642 /* Try to truncate it if we were requested to */
2643 if (cb_data
->flags
& O_TRUNC
) {
2646 data
->nfsfh
= nfsfh
;
2648 memset(&args
, 0, sizeof(SETATTR3args
));
2649 args
.object
= nfsfh
->fh
;
2650 args
.new_attributes
.size
.set_it
= 1;
2651 args
.new_attributes
.size
.set_size3_u
.size
= 0;
2653 if (rpc_nfs3_setattr_async(nfs
->rpc
, nfs_create_trunc_cb
,
2654 &args
, data
) != 0) {
2655 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send "
2656 "SETATTR call for %s", data
->path
);
2657 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
),
2658 data
->private_data
);
2659 free_nfs_cb_data(data
);
2666 data
->cb(0, nfs
, nfsfh
, data
->private_data
);
2667 free_nfs_cb_data(data
);
2672 static void nfs_create_1_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2675 struct nfs_cb_data
*data
= private_data
;
2676 struct nfs_context
*nfs
= data
->nfs
;
2677 struct create_cb_data
*cb_data
= data
->continue_data
;
2678 char *str
= cb_data
->path
;
2681 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
2683 if (status
== RPC_STATUS_ERROR
) {
2684 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2685 free_nfs_cb_data(data
);
2688 if (status
== RPC_STATUS_CANCEL
) {
2689 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2690 free_nfs_cb_data(data
);
2694 str
= &str
[strlen(str
) + 1];
2696 if (res
->status
!= NFS3_OK
) {
2697 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
));
2698 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2699 free_nfs_cb_data(data
);
2703 memset(&args
, 0, sizeof(LOOKUP3args
));
2704 args
.what
.dir
= data
->fh
;
2705 args
.what
.name
= str
;
2707 if (rpc_nfs3_lookup_async(nfs
->rpc
, nfs_create_2_cb
, &args
, data
) != 0) {
2708 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send lookup call for %s/%s", data
->saved_path
, str
);
2709 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2710 free_nfs_cb_data(data
);
2716 static int nfs_create_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
2718 struct create_cb_data
*cb_data
= data
->continue_data
;
2719 char *str
= cb_data
->path
;
2722 str
= &str
[strlen(str
) + 1];
2724 memset(&args
, 0, sizeof(CREATE3args
));
2725 args
.where
.dir
= data
->fh
;
2726 args
.where
.name
= str
;
2727 args
.how
.mode
= (cb_data
->flags
& O_EXCL
) ? GUARDED
: UNCHECKED
;
2728 args
.how
.createhow3_u
.obj_attributes
.mode
.set_it
= 1;
2729 args
.how
.createhow3_u
.obj_attributes
.mode
.set_mode3_u
.mode
= cb_data
->mode
;
2731 if (rpc_nfs3_create_async(nfs
->rpc
, nfs_create_1_cb
, &args
, data
) != 0) {
2732 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send CREATE call for %s/%s", data
->path
, str
);
2733 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2734 free_nfs_cb_data(data
);
2740 int nfs_create_async(struct nfs_context
*nfs
, const char *path
, int flags
, int mode
, nfs_cb cb
, void *private_data
)
2742 struct create_cb_data
*cb_data
;
2745 cb_data
= malloc(sizeof(struct create_cb_data
));
2746 if (cb_data
== NULL
) {
2747 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for cb data");
2751 cb_data
->path
= strdup(path
);
2752 if (cb_data
->path
== NULL
) {
2753 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for path");
2758 ptr
= strrchr(cb_data
->path
, '/');
2760 rpc_set_error(nfs
->rpc
, "Invalid path %s", path
);
2761 free_create_cb_data(cb_data
);
2766 cb_data
->flags
= flags
;
2767 cb_data
->mode
= mode
;
2769 /* new_path now points to the parent directory, and beyond the nul terminator is the new directory to create */
2770 if (nfs_lookuppath_async(nfs
, cb_data
->path
, cb
, private_data
, nfs_create_continue_internal
, cb_data
, free_create_cb_data
, 0) != 0) {
2771 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
2778 int nfs_creat_async(struct nfs_context
*nfs
, const char *path
, int mode
, nfs_cb cb
, void *private_data
)
2780 return nfs_create_async(nfs
, path
, 0, mode
, cb
, private_data
);
2789 static void nfs_unlink_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2792 struct nfs_cb_data
*data
= private_data
;
2793 struct nfs_context
*nfs
= data
->nfs
;
2794 char *str
= data
->continue_data
;
2796 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
2798 str
= &str
[strlen(str
) + 1];
2800 if (status
== RPC_STATUS_ERROR
) {
2801 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2802 free_nfs_cb_data(data
);
2805 if (status
== RPC_STATUS_CANCEL
) {
2806 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2807 free_nfs_cb_data(data
);
2812 if (res
->status
!= NFS3_OK
) {
2813 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
));
2814 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2815 free_nfs_cb_data(data
);
2819 data
->cb(0, nfs
, NULL
, data
->private_data
);
2820 free_nfs_cb_data(data
);
2823 static int nfs_unlink_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
2825 char *str
= data
->continue_data
;
2826 struct REMOVE3args args
;
2828 str
= &str
[strlen(str
) + 1];
2830 args
.object
.dir
= data
->fh
;
2831 args
.object
.name
= str
;
2832 if (rpc_nfs3_remove_async(nfs
->rpc
, nfs_unlink_cb
, &args
, data
) != 0) {
2833 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send REMOVE call for %s", data
->path
);
2834 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2835 free_nfs_cb_data(data
);
2841 int nfs_unlink_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
2846 new_path
= strdup(path
);
2847 if (new_path
== NULL
) {
2848 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for path");
2852 ptr
= strrchr(new_path
, '/');
2855 rpc_set_error(nfs
->rpc
, "Invalid path %s", path
);
2860 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
2861 if (nfs_lookuppath_async(nfs
, new_path
, cb
, private_data
, nfs_unlink_continue_internal
, new_path
, free
, 0) != 0) {
2862 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
2873 struct mknod_cb_data
{
2880 static void free_mknod_cb_data(void *ptr
)
2882 struct mknod_cb_data
*data
= ptr
;
2888 static void nfs_mknod_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2891 struct nfs_cb_data
*data
= private_data
;
2892 struct nfs_context
*nfs
= data
->nfs
;
2893 char *str
= data
->continue_data
;
2895 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
2897 str
= &str
[strlen(str
) + 1];
2899 if (status
== RPC_STATUS_ERROR
) {
2900 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2901 free_nfs_cb_data(data
);
2904 if (status
== RPC_STATUS_CANCEL
) {
2905 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2906 free_nfs_cb_data(data
);
2911 if (res
->status
!= NFS3_OK
) {
2912 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
));
2913 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2914 free_nfs_cb_data(data
);
2918 data
->cb(0, nfs
, NULL
, data
->private_data
);
2919 free_nfs_cb_data(data
);
2922 static int nfs_mknod_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
2924 struct mknod_cb_data
*cb_data
= data
->continue_data
;
2925 char *str
= cb_data
->path
;
2928 str
= &str
[strlen(str
) + 1];
2930 args
.where
.dir
= data
->fh
;
2931 args
.where
.name
= str
;
2932 switch (cb_data
->mode
& S_IFMT
) {
2934 args
.what
.type
= NF3CHR
;
2935 args
.what
.mknoddata3_u
.chr_device
.dev_attributes
.mode
.set_it
= 1;
2936 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
);
2937 args
.what
.mknoddata3_u
.chr_device
.spec
.specdata1
= cb_data
->major
;
2938 args
.what
.mknoddata3_u
.chr_device
.spec
.specdata2
= cb_data
->minor
;
2941 args
.what
.type
= NF3BLK
;
2942 args
.what
.mknoddata3_u
.blk_device
.dev_attributes
.mode
.set_it
= 1;
2943 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
);
2944 args
.what
.mknoddata3_u
.blk_device
.spec
.specdata1
= cb_data
->major
;
2945 args
.what
.mknoddata3_u
.blk_device
.spec
.specdata2
= cb_data
->minor
;
2947 args
.what
.type
= NF3SOCK
;
2948 args
.what
.mknoddata3_u
.sock_attributes
.mode
.set_it
= 1;
2949 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
);
2952 args
.what
.type
= NF3FIFO
;
2953 args
.what
.mknoddata3_u
.pipe_attributes
.mode
.set_it
= 1;
2954 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
);
2957 rpc_set_error(nfs
->rpc
, "Invalid file type for NFS3/MKNOD call");
2958 data
->cb(-EINVAL
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2959 free_nfs_cb_data(data
);
2963 if (rpc_nfs3_mknod_async(nfs
->rpc
, nfs_mknod_cb
, &args
, data
) != 0) {
2964 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2965 free_nfs_cb_data(data
);
2971 int nfs_mknod_async(struct nfs_context
*nfs
, const char *path
, int mode
, int dev
, nfs_cb cb
, void *private_data
)
2974 struct mknod_cb_data
*cb_data
;
2976 cb_data
= malloc(sizeof(struct mknod_cb_data
));
2977 if (cb_data
== NULL
) {
2978 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for cb data");
2982 cb_data
->path
= strdup(path
);
2983 if (cb_data
->path
== NULL
) {
2984 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for path");
2989 ptr
= strrchr(cb_data
->path
, '/');
2991 rpc_set_error(nfs
->rpc
, "Invalid path %s", path
);
2992 free_mknod_cb_data(cb_data
);
2997 cb_data
->mode
= mode
;
2998 cb_data
->major
= major(dev
);
2999 cb_data
->minor
= minor(dev
);
3001 /* data->path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
3002 if (nfs_lookuppath_async(nfs
, cb_data
->path
, cb
, private_data
, nfs_mknod_continue_internal
, cb_data
, free_mknod_cb_data
, 0) != 0) {
3003 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
3014 /* ReadDirPlus Emulation Callback data */
3015 struct rdpe_cb_data
{
3018 struct nfs_cb_data
*data
;
3021 /* ReadDirPlus Emulation LOOKUP Callback data */
3022 struct rdpe_lookup_cb_data
{
3023 struct rdpe_cb_data
*rdpe_cb_data
;
3024 struct nfsdirent
*nfsdirent
;
3027 /* Workaround for servers lacking READDIRPLUS, use READDIR instead and a GETATTR-loop */
3028 static void nfs_opendir3_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
3030 LOOKUP3res
*res
= command_data
;
3031 struct rdpe_lookup_cb_data
*rdpe_lookup_cb_data
= private_data
;
3032 struct rdpe_cb_data
*rdpe_cb_data
= rdpe_lookup_cb_data
->rdpe_cb_data
;
3033 struct nfs_cb_data
*data
= rdpe_cb_data
->data
;
3034 struct nfsdir
*nfsdir
= data
->continue_data
;
3035 struct nfs_context
*nfs
= data
->nfs
;
3036 struct nfsdirent
*nfsdirent
= rdpe_lookup_cb_data
->nfsdirent
;
3038 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
3040 free(rdpe_lookup_cb_data
);
3042 rdpe_cb_data
->getattrcount
--;
3044 if (status
== RPC_STATUS_ERROR
) {
3045 rpc_set_error(nfs
->rpc
, "LOOKUP during READDIRPLUS emulation "
3046 "failed with RPC_STATUS_ERROR");
3047 rdpe_cb_data
->status
= RPC_STATUS_ERROR
;
3049 if (status
== RPC_STATUS_CANCEL
) {
3050 rpc_set_error(nfs
->rpc
, "LOOKUP during READDIRPLUS emulation "
3051 "failed with RPC_STATUS_CANCEL");
3052 rdpe_cb_data
->status
= RPC_STATUS_CANCEL
;
3054 if (status
== RPC_STATUS_SUCCESS
&& res
->status
== NFS3_OK
) {
3055 if (res
->LOOKUP3res_u
.resok
.obj_attributes
.attributes_follow
) {
3056 fattr3
*attributes
= &res
->LOOKUP3res_u
.resok
.obj_attributes
.post_op_attr_u
.attributes
;
3058 nfsdirent
->type
= attributes
->type
;
3059 nfsdirent
->mode
= attributes
->mode
;
3060 nfsdirent
->size
= attributes
->size
;
3062 nfsdirent
->atime
.tv_sec
= attributes
->atime
.seconds
;
3063 nfsdirent
->atime
.tv_usec
= attributes
->atime
.nseconds
/1000;
3064 nfsdirent
->mtime
.tv_sec
= attributes
->mtime
.seconds
;
3065 nfsdirent
->mtime
.tv_usec
= attributes
->mtime
.nseconds
/1000;
3066 nfsdirent
->ctime
.tv_sec
= attributes
->ctime
.seconds
;
3067 nfsdirent
->ctime
.tv_usec
= attributes
->ctime
.nseconds
/1000;
3068 nfsdirent
->uid
= attributes
->uid
;
3069 nfsdirent
->gid
= attributes
->gid
;
3070 nfsdirent
->nlink
= attributes
->nlink
;
3074 if (rdpe_cb_data
->getattrcount
== 0) {
3075 if (rdpe_cb_data
->status
!= RPC_STATUS_SUCCESS
) {
3076 rpc_set_error(nfs
->rpc
, "READDIRPLUS emulation "
3077 "failed: %s", rpc_get_error(rpc
));
3078 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
),
3079 data
->private_data
);
3080 nfs_free_nfsdir(nfsdir
);
3082 data
->cb(0, nfs
, nfsdir
, data
->private_data
);
3086 data
->continue_data
= NULL
;
3087 free_nfs_cb_data(data
);
3091 static void nfs_opendir2_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
3093 READDIR3res
*res
= command_data
;
3094 struct nfs_cb_data
*data
= private_data
;
3095 struct nfs_context
*nfs
= data
->nfs
;
3096 struct nfsdir
*nfsdir
= data
->continue_data
;
3097 struct nfsdirent
*nfsdirent
;
3098 struct entry3
*entry
;
3099 uint64_t cookie
= 0;
3100 struct rdpe_cb_data
*rdpe_cb_data
;
3102 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
3104 if (status
== RPC_STATUS_ERROR
) {
3105 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
3106 nfs_free_nfsdir(nfsdir
);
3107 data
->continue_data
= NULL
;
3108 free_nfs_cb_data(data
);
3112 if (status
== RPC_STATUS_CANCEL
) {
3113 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
3114 nfs_free_nfsdir(nfsdir
);
3115 data
->continue_data
= NULL
;
3116 free_nfs_cb_data(data
);
3120 if (res
->status
!= NFS3_OK
) {
3121 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
));
3122 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3123 nfs_free_nfsdir(nfsdir
);
3124 data
->continue_data
= NULL
;
3125 free_nfs_cb_data(data
);
3129 entry
=res
->READDIR3res_u
.resok
.reply
.entries
;
3130 while (entry
!= NULL
) {
3131 nfsdirent
= malloc(sizeof(struct nfsdirent
));
3132 if (nfsdirent
== NULL
) {
3133 data
->cb(-ENOMEM
, nfs
, "Failed to allocate dirent", data
->private_data
);
3134 nfs_free_nfsdir(nfsdir
);
3135 data
->continue_data
= NULL
;
3136 free_nfs_cb_data(data
);
3139 memset(nfsdirent
, 0, sizeof(struct nfsdirent
));
3140 nfsdirent
->name
= strdup(entry
->name
);
3141 if (nfsdirent
->name
== NULL
) {
3142 data
->cb(-ENOMEM
, nfs
, "Failed to allocate dirent->name", data
->private_data
);
3144 nfs_free_nfsdir(nfsdir
);
3145 data
->continue_data
= NULL
;
3146 free_nfs_cb_data(data
);
3149 nfsdirent
->inode
= entry
->fileid
;
3151 nfsdirent
->next
= nfsdir
->entries
;
3152 nfsdir
->entries
= nfsdirent
;
3154 cookie
= entry
->cookie
;
3155 entry
= entry
->nextentry
;
3158 if (res
->READDIR3res_u
.resok
.reply
.eof
== 0) {
3161 args
.dir
= data
->fh
;
3162 args
.cookie
= cookie
;
3163 memcpy(&args
.cookieverf
, res
->READDIR3res_u
.resok
.cookieverf
, sizeof(cookieverf3
));
3166 if (rpc_nfs3_readdir_async(nfs
->rpc
, nfs_opendir2_cb
, &args
, data
) != 0) {
3167 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READDIR call for %s", data
->path
);
3168 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3169 nfs_free_nfsdir(nfsdir
);
3170 data
->continue_data
= NULL
;
3171 free_nfs_cb_data(data
);
3177 if (res
->READDIR3res_u
.resok
.dir_attributes
.attributes_follow
)
3178 nfsdir
->attr
= res
->READDIR3res_u
.resok
.dir_attributes
.post_op_attr_u
.attributes
;
3180 /* steal the dirhandle */
3181 nfsdir
->current
= nfsdir
->entries
;
3183 if (nfsdir
->entries
) {
3184 rdpe_cb_data
= malloc(sizeof(struct rdpe_cb_data
));
3185 rdpe_cb_data
->getattrcount
= 0;
3186 rdpe_cb_data
->status
= RPC_STATUS_SUCCESS
;
3187 rdpe_cb_data
->data
= data
;
3188 for (nfsdirent
= nfsdir
->entries
; nfsdirent
; nfsdirent
= nfsdirent
->next
) {
3189 struct rdpe_lookup_cb_data
*rdpe_lookup_cb_data
;
3192 rdpe_lookup_cb_data
= malloc(sizeof(struct rdpe_lookup_cb_data
));
3193 rdpe_lookup_cb_data
->rdpe_cb_data
= rdpe_cb_data
;
3194 rdpe_lookup_cb_data
->nfsdirent
= nfsdirent
;
3196 memset(&args
, 0, sizeof(LOOKUP3args
));
3197 args
.what
.dir
= data
->fh
;
3198 args
.what
.name
= nfsdirent
->name
;
3200 if (rpc_nfs3_lookup_async(nfs
->rpc
, nfs_opendir3_cb
, &args
, rdpe_lookup_cb_data
) != 0) {
3201 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READDIR LOOKUP call");
3203 /* if we have already commands in flight, we cant just stop, we have to wait for the
3204 * commands in flight to complete
3206 if (rdpe_cb_data
->getattrcount
> 0) {
3207 nfs_free_nfsdir(nfsdir
);
3208 data
->continue_data
= NULL
;
3209 free_nfs_cb_data(data
);
3210 rdpe_cb_data
->status
= RPC_STATUS_ERROR
;
3211 free(rdpe_lookup_cb_data
);
3215 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3216 nfs_free_nfsdir(nfsdir
);
3217 data
->continue_data
= NULL
;
3218 free_nfs_cb_data(data
);
3219 free(rdpe_lookup_cb_data
);
3223 rdpe_cb_data
->getattrcount
++;
3228 static void nfs_opendir_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
3230 READDIRPLUS3res
*res
= command_data
;
3231 struct nfs_cb_data
*data
= private_data
;
3232 struct nfs_context
*nfs
= data
->nfs
;
3233 struct nfsdir
*nfsdir
= data
->continue_data
;
3234 struct entryplus3
*entry
;
3235 uint64_t cookie
= 0;
3237 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
3239 if (status
== RPC_STATUS_ERROR
|| (status
== RPC_STATUS_SUCCESS
&& res
->status
== NFS3ERR_NOTSUPP
) ){
3242 args
.dir
= data
->fh
;
3243 args
.cookie
= cookie
;
3244 memset(&args
.cookieverf
, 0, sizeof(cookieverf3
));
3247 if (rpc_nfs3_readdir_async(nfs
->rpc
, nfs_opendir2_cb
, &args
, data
) != 0) {
3248 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READDIR call for %s", data
->path
);
3249 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3250 nfs_free_nfsdir(nfsdir
);
3251 data
->continue_data
= NULL
;
3252 free_nfs_cb_data(data
);
3258 if (status
== RPC_STATUS_CANCEL
) {
3259 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
3260 nfs_free_nfsdir(nfsdir
);
3261 data
->continue_data
= NULL
;
3262 free_nfs_cb_data(data
);
3266 if (res
->status
!= NFS3_OK
) {
3267 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
));
3268 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3269 nfs_free_nfsdir(nfsdir
);
3270 data
->continue_data
= NULL
;
3271 free_nfs_cb_data(data
);
3275 entry
=res
->READDIRPLUS3res_u
.resok
.reply
.entries
;
3276 while (entry
!= NULL
) {
3277 struct nfsdirent
*nfsdirent
;
3279 nfsdirent
= malloc(sizeof(struct nfsdirent
));
3280 if (nfsdirent
== NULL
) {
3281 data
->cb(-ENOMEM
, nfs
, "Failed to allocate dirent", data
->private_data
);
3282 nfs_free_nfsdir(nfsdir
);
3283 data
->continue_data
= NULL
;
3284 free_nfs_cb_data(data
);
3287 memset(nfsdirent
, 0, sizeof(struct nfsdirent
));
3288 nfsdirent
->name
= strdup(entry
->name
);
3289 if (nfsdirent
->name
== NULL
) {
3290 data
->cb(-ENOMEM
, nfs
, "Failed to allocate dirent->name", data
->private_data
);
3292 nfs_free_nfsdir(nfsdir
);
3293 data
->continue_data
= NULL
;
3294 free_nfs_cb_data(data
);
3297 nfsdirent
->inode
= entry
->fileid
;
3298 if (entry
->name_attributes
.attributes_follow
) {
3299 nfsdirent
->type
= entry
->name_attributes
.post_op_attr_u
.attributes
.type
;
3300 nfsdirent
->mode
= entry
->name_attributes
.post_op_attr_u
.attributes
.mode
;
3301 nfsdirent
->size
= entry
->name_attributes
.post_op_attr_u
.attributes
.size
;
3303 nfsdirent
->atime
.tv_sec
= entry
->name_attributes
.post_op_attr_u
.attributes
.atime
.seconds
;
3304 nfsdirent
->atime
.tv_usec
= entry
->name_attributes
.post_op_attr_u
.attributes
.atime
.nseconds
/1000;
3305 nfsdirent
->mtime
.tv_sec
= entry
->name_attributes
.post_op_attr_u
.attributes
.mtime
.seconds
;
3306 nfsdirent
->mtime
.tv_usec
= entry
->name_attributes
.post_op_attr_u
.attributes
.mtime
.nseconds
/1000;
3307 nfsdirent
->ctime
.tv_sec
= entry
->name_attributes
.post_op_attr_u
.attributes
.ctime
.seconds
;
3308 nfsdirent
->ctime
.tv_usec
= entry
->name_attributes
.post_op_attr_u
.attributes
.ctime
.nseconds
/1000;
3309 nfsdirent
->uid
= entry
->name_attributes
.post_op_attr_u
.attributes
.uid
;
3310 nfsdirent
->gid
= entry
->name_attributes
.post_op_attr_u
.attributes
.gid
;
3311 nfsdirent
->nlink
= entry
->name_attributes
.post_op_attr_u
.attributes
.nlink
;
3314 nfsdirent
->next
= nfsdir
->entries
;
3315 nfsdir
->entries
= nfsdirent
;
3317 cookie
= entry
->cookie
;
3318 entry
= entry
->nextentry
;
3321 if (res
->READDIRPLUS3res_u
.resok
.reply
.eof
== 0) {
3322 READDIRPLUS3args args
;
3324 args
.dir
= data
->fh
;
3325 args
.cookie
= cookie
;
3326 memcpy(&args
.cookieverf
, res
->READDIRPLUS3res_u
.resok
.cookieverf
, sizeof(cookieverf3
));
3327 args
.dircount
= 8192;
3328 args
.maxcount
= 8192;
3330 if (rpc_nfs3_readdirplus_async(nfs
->rpc
, nfs_opendir_cb
, &args
, data
) != 0) {
3331 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READDIRPLUS call for %s", data
->path
);
3332 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3333 nfs_free_nfsdir(nfsdir
);
3334 data
->continue_data
= NULL
;
3335 free_nfs_cb_data(data
);
3341 if (res
->READDIRPLUS3res_u
.resok
.dir_attributes
.attributes_follow
)
3342 nfsdir
->attr
= res
->READDIRPLUS3res_u
.resok
.dir_attributes
.post_op_attr_u
.attributes
;
3344 /* steal the dirhandle */
3345 data
->continue_data
= NULL
;
3346 nfsdir
->current
= nfsdir
->entries
;
3348 data
->cb(0, nfs
, nfsdir
, data
->private_data
);
3349 free_nfs_cb_data(data
);
3352 static int nfs_opendir_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
3354 READDIRPLUS3args args
;
3355 struct nfsdir
*nfsdir
= data
->continue_data
;;
3356 struct nfsdir
*cached
;
3358 cached
= nfs_dircache_find(nfs
, &data
->fh
);
3360 if (attr
&& attr
->mtime
.seconds
== cached
->attr
.mtime
.seconds
) {
3361 cached
->current
= cached
->entries
;
3362 data
->cb(0, nfs
, cached
, data
->private_data
);
3363 free_nfs_cb_data(data
);
3366 /* cache must be stale */
3367 nfs_free_nfsdir(cached
);
3371 nfsdir
->fh
.data
.data_len
= data
->fh
.data
.data_len
;
3372 nfsdir
->fh
.data
.data_val
= malloc(nfsdir
->fh
.data
.data_len
);
3373 if (nfsdir
->fh
.data
.data_val
== NULL
) {
3374 rpc_set_error(nfs
->rpc
, "OOM when allocating fh for nfsdir");
3375 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3376 free_nfs_cb_data(data
);
3379 memcpy(nfsdir
->fh
.data
.data_val
, data
->fh
.data
.data_val
, data
->fh
.data
.data_len
);
3381 args
.dir
= data
->fh
;
3383 memset(&args
.cookieverf
, 0, sizeof(cookieverf3
));
3384 args
.dircount
= 8192;
3385 args
.maxcount
= 8192;
3386 if (rpc_nfs3_readdirplus_async(nfs
->rpc
, nfs_opendir_cb
, &args
, data
) != 0) {
3387 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READDIRPLUS call for %s", data
->path
);
3388 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3389 free_nfs_cb_data(data
);
3395 int nfs_opendir_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
3397 struct nfsdir
*nfsdir
;
3399 nfsdir
= malloc(sizeof(struct nfsdir
));
3400 if (nfsdir
== NULL
) {
3401 rpc_set_error(nfs
->rpc
, "failed to allocate buffer for nfsdir");
3404 memset(nfsdir
, 0, sizeof(struct nfsdir
));
3406 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_opendir_continue_internal
, nfsdir
, free
, 0) != 0) {
3407 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
3415 struct nfsdirent
*nfs_readdir(struct nfs_context
*nfs _U_
, struct nfsdir
*nfsdir
)
3417 struct nfsdirent
*nfsdirent
= nfsdir
->current
;
3419 if (nfsdir
->current
!= NULL
) {
3420 nfsdir
->current
= nfsdir
->current
->next
;
3429 void nfs_closedir(struct nfs_context
*nfs
, struct nfsdir
*nfsdir
)
3431 nfs_dircache_add(nfs
, nfsdir
);
3438 void nfs_getcwd(struct nfs_context
*nfs
, const char **cwd
)
3449 struct lseek_cb_data
{
3450 struct nfs_context
*nfs
;
3451 struct nfsfh
*nfsfh
;
3457 static void nfs_lseek_1_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
3460 struct lseek_cb_data
*data
= private_data
;
3461 struct nfs_context
*nfs
= data
->nfs
;
3464 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
3466 if (status
== RPC_STATUS_ERROR
) {
3467 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
3471 if (status
== RPC_STATUS_CANCEL
) {
3472 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
3478 if (res
->status
!= NFS3_OK
) {
3479 rpc_set_error(nfs
->rpc
, "NFS: GETATTR failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
3480 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3485 size
= res
->GETATTR3res_u
.resok
.obj_attributes
.size
;
3487 if (data
->offset
< 0 &&
3488 (uint64_t)(-data
->offset
) > size
) {
3489 data
->cb(-EINVAL
, nfs
, &data
->nfsfh
->offset
, data
->private_data
);
3491 data
->nfsfh
->offset
= data
->offset
+ size
;
3492 data
->cb(0, nfs
, &data
->nfsfh
->offset
, data
->private_data
);
3498 int nfs_lseek_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, int64_t offset
, int whence
, nfs_cb cb
, void *private_data
)
3500 struct lseek_cb_data
*data
;
3501 struct GETATTR3args args
;
3503 if (whence
== SEEK_SET
) {
3505 cb(-EINVAL
, nfs
, &nfsfh
->offset
, private_data
);
3507 nfsfh
->offset
= offset
;
3508 cb(0, nfs
, &nfsfh
->offset
, private_data
);
3512 if (whence
== SEEK_CUR
) {
3514 nfsfh
->offset
< (uint64_t)(-offset
)) {
3515 cb(-EINVAL
, nfs
, &nfsfh
->offset
, private_data
);
3517 nfsfh
->offset
+= offset
;
3518 cb(0, nfs
, &nfsfh
->offset
, private_data
);
3523 data
= malloc(sizeof(struct lseek_cb_data
));
3525 rpc_set_error(nfs
->rpc
, "Out Of Memory: Failed to malloc lseek cb data");
3530 data
->nfsfh
= nfsfh
;
3531 data
->offset
= offset
;
3533 data
->private_data
= private_data
;
3535 memset(&args
, 0, sizeof(GETATTR3args
));
3536 args
.object
= nfsfh
->fh
;
3538 if (rpc_nfs3_getattr_async(nfs
->rpc
, nfs_lseek_1_cb
, &args
, data
) != 0) {
3539 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send LSEEK GETATTR call");
3552 static void nfs_statvfs_1_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
3555 struct nfs_cb_data
*data
= private_data
;
3556 struct nfs_context
*nfs
= data
->nfs
;
3557 struct statvfs svfs
;
3559 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
3561 if (status
== RPC_STATUS_ERROR
) {
3562 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
3563 free_nfs_cb_data(data
);
3566 if (status
== RPC_STATUS_CANCEL
) {
3567 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
3568 free_nfs_cb_data(data
);
3573 if (res
->status
!= NFS3_OK
) {
3574 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
));
3575 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3576 free_nfs_cb_data(data
);
3580 svfs
.f_bsize
= NFS_BLKSIZE
;
3581 svfs
.f_frsize
= NFS_BLKSIZE
;
3582 svfs
.f_blocks
= res
->FSSTAT3res_u
.resok
.tbytes
/NFS_BLKSIZE
;
3583 svfs
.f_bfree
= res
->FSSTAT3res_u
.resok
.fbytes
/NFS_BLKSIZE
;
3584 svfs
.f_bavail
= res
->FSSTAT3res_u
.resok
.abytes
/NFS_BLKSIZE
;
3585 svfs
.f_files
= res
->FSSTAT3res_u
.resok
.tfiles
;
3586 svfs
.f_ffree
= res
->FSSTAT3res_u
.resok
.ffiles
;
3587 #if !defined(ANDROID)
3588 svfs
.f_favail
= res
->FSSTAT3res_u
.resok
.afiles
;
3591 svfs
.f_namemax
= 256;
3594 data
->cb(0, nfs
, &svfs
, data
->private_data
);
3595 free_nfs_cb_data(data
);
3598 static int nfs_statvfs_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
3602 args
.fsroot
= data
->fh
;
3603 if (rpc_nfs3_fsstat_async(nfs
->rpc
, nfs_statvfs_1_cb
, &args
, data
) != 0) {
3604 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send FSSTAT call for %s", data
->path
);
3605 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3606 free_nfs_cb_data(data
);
3612 int nfs_statvfs_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
3614 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_statvfs_continue_internal
, NULL
, NULL
, 0) != 0) {
3615 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
3628 static void nfs_readlink_1_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
3631 struct nfs_cb_data
*data
= private_data
;
3632 struct nfs_context
*nfs
= data
->nfs
;
3634 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
3636 if (status
== RPC_STATUS_ERROR
) {
3637 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
3638 free_nfs_cb_data(data
);
3641 if (status
== RPC_STATUS_CANCEL
) {
3642 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
3643 free_nfs_cb_data(data
);
3648 if (res
->status
!= NFS3_OK
) {
3649 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
));
3650 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3651 free_nfs_cb_data(data
);
3656 data
->cb(0, nfs
, res
->READLINK3res_u
.resok
.data
, data
->private_data
);
3657 free_nfs_cb_data(data
);
3660 static int nfs_readlink_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
3664 args
.symlink
= data
->fh
;
3666 if (rpc_nfs3_readlink_async(nfs
->rpc
, nfs_readlink_1_cb
, &args
, data
) != 0) {
3667 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READLINK call for %s", data
->path
);
3668 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3669 free_nfs_cb_data(data
);
3675 int nfs_readlink_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
3677 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_readlink_continue_internal
, NULL
, NULL
, 0) != 0) {
3678 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
3691 static void nfs_chmod_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
3693 struct nfs_cb_data
*data
= private_data
;
3694 struct nfs_context
*nfs
= data
->nfs
;
3697 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
3699 if (status
== RPC_STATUS_ERROR
) {
3700 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
3701 free_nfs_cb_data(data
);
3704 if (status
== RPC_STATUS_CANCEL
) {
3705 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
3706 free_nfs_cb_data(data
);
3711 if (res
->status
!= NFS3_OK
) {
3712 rpc_set_error(nfs
->rpc
, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
3713 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3714 free_nfs_cb_data(data
);
3718 data
->cb(0, nfs
, NULL
, data
->private_data
);
3719 free_nfs_cb_data(data
);
3722 static int nfs_chmod_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
3726 memset(&args
, 0, sizeof(SETATTR3args
));
3727 args
.object
= data
->fh
;
3728 args
.new_attributes
.mode
.set_it
= 1;
3729 args
.new_attributes
.mode
.set_mode3_u
.mode
= data
->continue_int
;
3731 if (rpc_nfs3_setattr_async(nfs
->rpc
, nfs_chmod_cb
, &args
, data
) != 0) {
3732 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SETATTR call for %s", data
->path
);
3733 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3734 free_nfs_cb_data(data
);
3741 int nfs_chmod_async(struct nfs_context
*nfs
, const char *path
, int mode
, nfs_cb cb
, void *private_data
)
3743 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_chmod_continue_internal
, NULL
, NULL
, mode
) != 0) {
3744 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
3754 int nfs_fchmod_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, int mode
, nfs_cb cb
, void *private_data
)
3756 struct nfs_cb_data
*data
;
3758 data
= malloc(sizeof(struct nfs_cb_data
));
3760 rpc_set_error(nfs
->rpc
, "out of memory. failed to allocate memory for nfs mount data");
3763 memset(data
, 0, sizeof(struct nfs_cb_data
));
3766 data
->private_data
= private_data
;
3767 data
->continue_int
= mode
;
3768 data
->fh
.data
.data_len
= nfsfh
->fh
.data
.data_len
;
3769 data
->fh
.data
.data_val
= malloc(data
->fh
.data
.data_len
);
3770 if (data
->fh
.data
.data_val
== NULL
) {
3771 rpc_set_error(nfs
->rpc
, "Out of memory: Failed to allocate fh");
3772 free_nfs_cb_data(data
);
3775 memcpy(data
->fh
.data
.data_val
, nfsfh
->fh
.data
.data_val
, data
->fh
.data
.data_len
);
3777 if (nfs_chmod_continue_internal(nfs
, NULL
, data
) != 0) {
3789 static void nfs_chown_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
3791 struct nfs_cb_data
*data
= private_data
;
3792 struct nfs_context
*nfs
= data
->nfs
;
3795 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
3797 if (status
== RPC_STATUS_ERROR
) {
3798 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
3799 free_nfs_cb_data(data
);
3802 if (status
== RPC_STATUS_CANCEL
) {
3803 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
3804 free_nfs_cb_data(data
);
3809 if (res
->status
!= NFS3_OK
) {
3810 rpc_set_error(nfs
->rpc
, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
3811 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3812 free_nfs_cb_data(data
);
3816 data
->cb(0, nfs
, NULL
, data
->private_data
);
3817 free_nfs_cb_data(data
);
3820 struct nfs_chown_data
{
3825 static int nfs_chown_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
3828 struct nfs_chown_data
*chown_data
= data
->continue_data
;
3830 memset(&args
, 0, sizeof(SETATTR3args
));
3831 args
.object
= data
->fh
;
3832 if (chown_data
->uid
!= (uid_t
)-1) {
3833 args
.new_attributes
.uid
.set_it
= 1;
3834 args
.new_attributes
.uid
.set_uid3_u
.uid
= chown_data
->uid
;
3836 if (chown_data
->gid
!= (gid_t
)-1) {
3837 args
.new_attributes
.gid
.set_it
= 1;
3838 args
.new_attributes
.gid
.set_gid3_u
.gid
= chown_data
->gid
;
3841 if (rpc_nfs3_setattr_async(nfs
->rpc
, nfs_chown_cb
, &args
, data
) != 0) {
3842 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SETATTR call for %s", data
->path
);
3843 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3844 free_nfs_cb_data(data
);
3851 int nfs_chown_async(struct nfs_context
*nfs
, const char *path
, int uid
, int gid
, nfs_cb cb
, void *private_data
)
3853 struct nfs_chown_data
*chown_data
;
3855 chown_data
= malloc(sizeof(struct nfs_chown_data
));
3856 if (chown_data
== NULL
) {
3857 rpc_set_error(nfs
->rpc
, "Failed to allocate memory for chown data structure");
3861 chown_data
->uid
= uid
;
3862 chown_data
->gid
= gid
;
3864 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_chown_continue_internal
, chown_data
, free
, 0) != 0) {
3865 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
3876 int nfs_fchown_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, int uid
, int gid
, nfs_cb cb
, void *private_data
)
3878 struct nfs_cb_data
*data
;
3879 struct nfs_chown_data
*chown_data
;
3881 chown_data
= malloc(sizeof(struct nfs_chown_data
));
3882 if (chown_data
== NULL
) {
3883 rpc_set_error(nfs
->rpc
, "Failed to allocate memory for chown data structure");
3887 chown_data
->uid
= uid
;
3888 chown_data
->gid
= gid
;
3890 data
= malloc(sizeof(struct nfs_cb_data
));
3892 rpc_set_error(nfs
->rpc
, "out of memory. failed to allocate memory for fchown data");
3896 memset(data
, 0, sizeof(struct nfs_cb_data
));
3899 data
->private_data
= private_data
;
3900 data
->continue_data
= chown_data
;
3901 data
->free_continue_data
= free
;
3902 data
->fh
.data
.data_len
= nfsfh
->fh
.data
.data_len
;
3903 data
->fh
.data
.data_val
= malloc(data
->fh
.data
.data_len
);
3904 if (data
->fh
.data
.data_val
== NULL
) {
3905 rpc_set_error(nfs
->rpc
, "Out of memory: Failed to allocate fh");
3906 free_nfs_cb_data(data
);
3909 memcpy(data
->fh
.data
.data_val
, nfsfh
->fh
.data
.data_val
, data
->fh
.data
.data_len
);
3911 if (nfs_chown_continue_internal(nfs
, NULL
, data
) != 0) {
3925 static void nfs_utimes_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
3927 struct nfs_cb_data
*data
= private_data
;
3928 struct nfs_context
*nfs
= data
->nfs
;
3931 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
3933 if (status
== RPC_STATUS_ERROR
) {
3934 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
3935 free_nfs_cb_data(data
);
3938 if (status
== RPC_STATUS_CANCEL
) {
3939 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
3940 free_nfs_cb_data(data
);
3945 if (res
->status
!= NFS3_OK
) {
3946 rpc_set_error(nfs
->rpc
, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
3947 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3948 free_nfs_cb_data(data
);
3952 data
->cb(0, nfs
, NULL
, data
->private_data
);
3953 free_nfs_cb_data(data
);
3956 static int nfs_utimes_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
3959 struct timeval
*utimes_data
= data
->continue_data
;
3961 memset(&args
, 0, sizeof(SETATTR3args
));
3962 args
.object
= data
->fh
;
3963 if (utimes_data
!= NULL
) {
3964 args
.new_attributes
.atime
.set_it
= SET_TO_CLIENT_TIME
;
3965 args
.new_attributes
.atime
.set_atime_u
.atime
.seconds
= utimes_data
[0].tv_sec
;
3966 args
.new_attributes
.atime
.set_atime_u
.atime
.nseconds
= utimes_data
[0].tv_usec
* 1000;
3967 args
.new_attributes
.mtime
.set_it
= SET_TO_CLIENT_TIME
;
3968 args
.new_attributes
.mtime
.set_mtime_u
.mtime
.seconds
= utimes_data
[1].tv_sec
;
3969 args
.new_attributes
.mtime
.set_mtime_u
.mtime
.nseconds
= utimes_data
[1].tv_usec
* 1000;
3971 args
.new_attributes
.atime
.set_it
= SET_TO_SERVER_TIME
;
3972 args
.new_attributes
.mtime
.set_it
= SET_TO_SERVER_TIME
;
3975 if (rpc_nfs3_setattr_async(nfs
->rpc
, nfs_utimes_cb
, &args
, data
) != 0) {
3976 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SETATTR call for %s", data
->path
);
3977 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3978 free_nfs_cb_data(data
);
3985 int nfs_utimes_async(struct nfs_context
*nfs
, const char *path
, struct timeval
*times
, nfs_cb cb
, void *private_data
)
3987 struct timeval
*new_times
= NULL
;
3989 if (times
!= NULL
) {
3990 new_times
= malloc(sizeof(struct timeval
)*2);
3991 if (new_times
== NULL
) {
3992 rpc_set_error(nfs
->rpc
, "Failed to allocate memory for timeval structure");
3996 memcpy(new_times
, times
, sizeof(struct timeval
)*2);
3999 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_utimes_continue_internal
, new_times
, free
, 0) != 0) {
4000 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
4010 int nfs_utime_async(struct nfs_context
*nfs
, const char *path
, struct utimbuf
*times
, nfs_cb cb
, void *private_data
)
4012 struct timeval
*new_times
= NULL
;
4014 if (times
!= NULL
) {
4015 new_times
= malloc(sizeof(struct timeval
)*2);
4016 if (new_times
== NULL
) {
4017 rpc_set_error(nfs
->rpc
, "Failed to allocate memory for timeval structure");
4021 new_times
[0].tv_sec
= times
->actime
;
4022 new_times
[0].tv_usec
= 0;
4023 new_times
[1].tv_sec
= times
->modtime
;
4024 new_times
[1].tv_usec
= 0;
4027 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_utimes_continue_internal
, new_times
, free
, 0) != 0) {
4028 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
4039 static void nfs_access_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
4042 struct nfs_cb_data
*data
= private_data
;
4043 struct nfs_context
*nfs
= data
->nfs
;
4044 unsigned int nfsmode
= 0;
4046 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
4048 if (status
== RPC_STATUS_ERROR
) {
4049 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
4050 free_nfs_cb_data(data
);
4053 if (status
== RPC_STATUS_CANCEL
) {
4054 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
4055 free_nfs_cb_data(data
);
4060 if (res
->status
!= NFS3_OK
) {
4061 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
));
4062 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4063 free_nfs_cb_data(data
);
4067 if (data
->continue_int
& R_OK
) {
4068 nfsmode
|= ACCESS3_READ
;
4070 if (data
->continue_int
& W_OK
) {
4071 nfsmode
|= ACCESS3_MODIFY
;
4073 if (data
->continue_int
& X_OK
) {
4074 nfsmode
|= ACCESS3_EXECUTE
;
4077 if (res
->ACCESS3res_u
.resok
.access
!= nfsmode
) {
4078 rpc_set_error(nfs
->rpc
, "NFS: ACCESS denied. Required access %c%c%c. Allowed access %c%c%c",
4079 nfsmode
&ACCESS3_READ
?'r':'-',
4080 nfsmode
&ACCESS3_MODIFY
?'w':'-',
4081 nfsmode
&ACCESS3_EXECUTE
?'x':'-',
4082 res
->ACCESS3res_u
.resok
.access
&ACCESS3_READ
?'r':'-',
4083 res
->ACCESS3res_u
.resok
.access
&ACCESS3_MODIFY
?'w':'-',
4084 res
->ACCESS3res_u
.resok
.access
&ACCESS3_EXECUTE
?'x':'-');
4085 data
->cb(-EACCES
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4086 free_nfs_cb_data(data
);
4090 data
->cb(0, nfs
, NULL
, data
->private_data
);
4091 free_nfs_cb_data(data
);
4094 static int nfs_access_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
4099 if (data
->continue_int
& R_OK
) {
4100 nfsmode
|= ACCESS3_READ
;
4102 if (data
->continue_int
& W_OK
) {
4103 nfsmode
|= ACCESS3_MODIFY
;
4105 if (data
->continue_int
& X_OK
) {
4106 nfsmode
|= ACCESS3_EXECUTE
;
4109 memset(&args
, 0, sizeof(ACCESS3args
));
4110 args
.object
= data
->fh
;
4111 args
.access
= nfsmode
;
4113 if (rpc_nfs3_access_async(nfs
->rpc
, nfs_access_cb
, &args
, data
) != 0) {
4114 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send OPEN ACCESS call for %s", data
->path
);
4115 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4116 free_nfs_cb_data(data
);
4122 int nfs_access_async(struct nfs_context
*nfs
, const char *path
, int mode
, nfs_cb cb
, void *private_data
)
4124 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_access_continue_internal
, NULL
, NULL
, mode
) != 0) {
4125 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
4137 struct nfs_symlink_data
{
4139 char *newpathparent
;
4140 char *newpathobject
;
4143 static void free_nfs_symlink_data(void *mem
)
4145 struct nfs_symlink_data
*data
= mem
;
4147 if (data
->oldpath
!= NULL
) {
4148 free(data
->oldpath
);
4150 if (data
->newpathparent
!= NULL
) {
4151 free(data
->newpathparent
);
4153 if (data
->newpathobject
!= NULL
) {
4154 free(data
->newpathobject
);
4159 static void nfs_symlink_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
4162 struct nfs_cb_data
*data
= private_data
;
4163 struct nfs_context
*nfs
= data
->nfs
;
4164 struct nfs_symlink_data
*symlink_data
= data
->continue_data
;
4166 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
4168 if (status
== RPC_STATUS_ERROR
) {
4169 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
4170 free_nfs_cb_data(data
);
4173 if (status
== RPC_STATUS_CANCEL
) {
4174 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
4175 free_nfs_cb_data(data
);
4180 if (res
->status
!= NFS3_OK
) {
4181 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
));
4182 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4183 free_nfs_cb_data(data
);
4187 data
->cb(0, nfs
, NULL
, data
->private_data
);
4188 free_nfs_cb_data(data
);
4191 static int nfs_symlink_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
4193 struct nfs_symlink_data
*symlink_data
= data
->continue_data
;
4196 memset(&args
, 0, sizeof(SYMLINK3args
));
4197 args
.where
.dir
= data
->fh
;
4198 args
.where
.name
= symlink_data
->newpathobject
;
4199 args
.symlink
.symlink_attributes
.mode
.set_it
= 1;
4200 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
;
4201 args
.symlink
.symlink_data
= symlink_data
->oldpath
;
4203 if (rpc_nfs3_symlink_async(nfs
->rpc
, nfs_symlink_cb
, &args
, data
) != 0) {
4204 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SYMLINK call for %s", data
->path
);
4205 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4206 free_nfs_cb_data(data
);
4212 int nfs_symlink_async(struct nfs_context
*nfs
, const char *oldpath
, const char *newpath
, nfs_cb cb
, void *private_data
)
4215 struct nfs_symlink_data
*symlink_data
;
4217 symlink_data
= malloc(sizeof(struct nfs_symlink_data
));
4218 if (symlink_data
== NULL
) {
4219 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for symlink data");
4222 memset(symlink_data
, 0, sizeof(struct nfs_symlink_data
));
4224 symlink_data
->oldpath
= strdup(oldpath
);
4225 if (symlink_data
->oldpath
== NULL
) {
4226 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for oldpath");
4227 free_nfs_symlink_data(symlink_data
);
4231 symlink_data
->newpathparent
= strdup(newpath
);
4232 if (symlink_data
->newpathparent
== NULL
) {
4233 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for new path");
4234 free_nfs_symlink_data(symlink_data
);
4238 ptr
= strrchr(symlink_data
->newpathparent
, '/');
4240 rpc_set_error(nfs
->rpc
, "Invalid path %s", oldpath
);
4241 free_nfs_symlink_data(symlink_data
);
4247 symlink_data
->newpathobject
= strdup(ptr
);
4248 if (symlink_data
->newpathobject
== NULL
) {
4249 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for new path");
4250 free_nfs_symlink_data(symlink_data
);
4254 if (nfs_lookuppath_async(nfs
, symlink_data
->newpathparent
, cb
, private_data
, nfs_symlink_continue_internal
, symlink_data
, free_nfs_symlink_data
, 0) != 0) {
4255 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
4267 struct nfs_rename_data
{
4270 struct nfs_fh3 olddir
;
4273 struct nfs_fh3 newdir
;
4276 static void free_nfs_rename_data(void *mem
)
4278 struct nfs_rename_data
*data
= mem
;
4280 if (data
->oldpath
!= NULL
) {
4281 free(data
->oldpath
);
4283 if (data
->olddir
.data
.data_val
!= NULL
) {
4284 free(data
->olddir
.data
.data_val
);
4286 if (data
->newpath
!= NULL
) {
4287 free(data
->newpath
);
4289 if (data
->newdir
.data
.data_val
!= NULL
) {
4290 free(data
->newdir
.data
.data_val
);
4295 static void nfs_rename_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
4298 struct nfs_cb_data
*data
= private_data
;
4299 struct nfs_context
*nfs
= data
->nfs
;
4300 struct nfs_rename_data
*rename_data
= data
->continue_data
;
4302 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
4304 if (status
== RPC_STATUS_ERROR
) {
4305 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
4306 free_nfs_cb_data(data
);
4309 if (status
== RPC_STATUS_CANCEL
) {
4310 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
4311 free_nfs_cb_data(data
);
4316 if (res
->status
!= NFS3_OK
) {
4317 rpc_set_error(nfs
->rpc
, "NFS: 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
));
4318 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4319 free_nfs_cb_data(data
);
4323 data
->cb(0, nfs
, NULL
, data
->private_data
);
4324 free_nfs_cb_data(data
);
4327 static int nfs_rename_continue_2_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
4329 struct nfs_rename_data
*rename_data
= data
->continue_data
;
4332 /* steal the filehandle */
4333 rename_data
->newdir
= data
->fh
;
4334 data
->fh
.data
.data_val
= NULL
;
4336 args
.from
.dir
= rename_data
->olddir
;
4337 args
.from
.name
= rename_data
->oldobject
;
4338 args
.to
.dir
= rename_data
->newdir
;
4339 args
.to
.name
= rename_data
->newobject
;
4340 if (rpc_nfs3_rename_async(nfs
->rpc
, nfs_rename_cb
, &args
, data
) != 0) {
4341 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send RENAME call for %s", data
->path
);
4342 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4343 free_nfs_cb_data(data
);
4350 static int nfs_rename_continue_1_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
4352 struct nfs_rename_data
*rename_data
= data
->continue_data
;
4353 char* newpath
= strdup(rename_data
->newpath
);
4355 rpc_set_error(nfs
->rpc
, "Out of memory. Could not allocate memory to store target path for rename");
4356 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4357 free_nfs_cb_data(data
);
4361 /* steal the filehandle */
4362 rename_data
->olddir
= data
->fh
;
4363 data
->fh
.data
.data_val
= NULL
;
4365 if (nfs_lookuppath_async(nfs
, rename_data
->newpath
, data
->cb
, data
->private_data
, nfs_rename_continue_2_internal
, rename_data
, free_nfs_rename_data
, 0) != 0) {
4366 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send LOOKUP call for %s", newpath
);
4367 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4368 free_nfs_cb_data(data
);
4372 data
->continue_data
= NULL
;
4373 free_nfs_cb_data(data
);
4380 int nfs_rename_async(struct nfs_context
*nfs
, const char *oldpath
, const char *newpath
, nfs_cb cb
, void *private_data
)
4383 struct nfs_rename_data
*rename_data
;
4385 rename_data
= malloc(sizeof(struct nfs_rename_data
));
4386 if (rename_data
== NULL
) {
4387 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for rename data");
4390 memset(rename_data
, 0, sizeof(struct nfs_rename_data
));
4392 rename_data
->oldpath
= strdup(oldpath
);
4393 if (rename_data
->oldpath
== NULL
) {
4394 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for oldpath");
4395 free_nfs_rename_data(rename_data
);
4398 ptr
= strrchr(rename_data
->oldpath
, '/');
4400 rpc_set_error(nfs
->rpc
, "Invalid path %s", oldpath
);
4401 free_nfs_rename_data(rename_data
);
4406 rename_data
->oldobject
= ptr
;
4409 rename_data
->newpath
= strdup(newpath
);
4410 if (rename_data
->newpath
== NULL
) {
4411 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for newpath");
4412 free_nfs_rename_data(rename_data
);
4415 ptr
= strrchr(rename_data
->newpath
, '/');
4417 rpc_set_error(nfs
->rpc
, "Invalid path %s", newpath
);
4418 free_nfs_rename_data(rename_data
);
4423 rename_data
->newobject
= ptr
;
4426 if (nfs_lookuppath_async(nfs
, rename_data
->oldpath
, cb
, private_data
, nfs_rename_continue_1_internal
, rename_data
, free_nfs_rename_data
, 0) != 0) {
4427 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
4438 struct nfs_link_data
{
4440 struct nfs_fh3 oldfh
;
4443 struct nfs_fh3 newdir
;
4446 static void free_nfs_link_data(void *mem
)
4448 struct nfs_link_data
*data
= mem
;
4450 if (data
->oldpath
!= NULL
) {
4451 free(data
->oldpath
);
4453 if (data
->oldfh
.data
.data_val
!= NULL
) {
4454 free(data
->oldfh
.data
.data_val
);
4456 if (data
->newpath
!= NULL
) {
4457 free(data
->newpath
);
4459 if (data
->newdir
.data
.data_val
!= NULL
) {
4460 free(data
->newdir
.data
.data_val
);
4465 static void nfs_link_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
4468 struct nfs_cb_data
*data
= private_data
;
4469 struct nfs_context
*nfs
= data
->nfs
;
4470 struct nfs_link_data
*link_data
= data
->continue_data
;
4472 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
4474 if (status
== RPC_STATUS_ERROR
) {
4475 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
4476 free_nfs_cb_data(data
);
4479 if (status
== RPC_STATUS_CANCEL
) {
4480 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
4481 free_nfs_cb_data(data
);
4486 if (res
->status
!= NFS3_OK
) {
4487 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
));
4488 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4489 free_nfs_cb_data(data
);
4493 data
->cb(0, nfs
, NULL
, data
->private_data
);
4494 free_nfs_cb_data(data
);
4497 static int nfs_link_continue_2_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
4499 struct nfs_link_data
*link_data
= data
->continue_data
;
4502 /* steal the filehandle */
4503 link_data
->newdir
= data
->fh
;
4504 data
->fh
.data
.data_val
= NULL
;
4506 memset(&args
, 0, sizeof(LINK3args
));
4507 args
.file
= link_data
->oldfh
;
4508 args
.link
.dir
= link_data
->newdir
;
4509 args
.link
.name
= link_data
->newobject
;
4510 if (rpc_nfs3_link_async(nfs
->rpc
, nfs_link_cb
, &args
, data
) != 0) {
4511 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send LINK call for %s", data
->path
);
4512 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4513 free_nfs_cb_data(data
);
4520 static int nfs_link_continue_1_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
4522 struct nfs_link_data
*link_data
= data
->continue_data
;
4524 /* steal the filehandle */
4525 link_data
->oldfh
= data
->fh
;
4526 data
->fh
.data
.data_val
= NULL
;
4528 if (nfs_lookuppath_async(nfs
, link_data
->newpath
, data
->cb
, data
->private_data
, nfs_link_continue_2_internal
, link_data
, free_nfs_link_data
, 0) != 0) {
4529 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send LOOKUP call for %s", link_data
->newpath
);
4530 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4531 free_nfs_cb_data(data
);
4534 data
->continue_data
= NULL
;
4535 free_nfs_cb_data(data
);
4541 int nfs_link_async(struct nfs_context
*nfs
, const char *oldpath
, const char *newpath
, nfs_cb cb
, void *private_data
)
4544 struct nfs_link_data
*link_data
;
4546 link_data
= malloc(sizeof(struct nfs_link_data
));
4547 if (link_data
== NULL
) {
4548 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for link data");
4551 memset(link_data
, 0, sizeof(struct nfs_link_data
));
4553 link_data
->oldpath
= strdup(oldpath
);
4554 if (link_data
->oldpath
== NULL
) {
4555 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for oldpath");
4556 free_nfs_link_data(link_data
);
4560 link_data
->newpath
= strdup(newpath
);
4561 if (link_data
->newpath
== NULL
) {
4562 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for newpath");
4563 free_nfs_link_data(link_data
);
4566 ptr
= strrchr(link_data
->newpath
, '/');
4568 rpc_set_error(nfs
->rpc
, "Invalid path %s", newpath
);
4569 free_nfs_link_data(link_data
);
4574 link_data
->newobject
= ptr
;
4577 if (nfs_lookuppath_async(nfs
, link_data
->oldpath
, cb
, private_data
, nfs_link_continue_1_internal
, link_data
, free_nfs_link_data
, 0) != 0) {
4578 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
4586 //qqq replace later with lseek()
4587 uint64_t nfs_get_current_offset(struct nfsfh
*nfsfh
)
4589 return nfsfh
->offset
;
4595 * Get the maximum supported READ3 size by the server
4597 uint64_t nfs_get_readmax(struct nfs_context
*nfs
)
4599 return nfs
->readmax
;
4603 * Get the maximum supported WRITE3 size by the server
4605 uint64_t nfs_get_writemax(struct nfs_context
*nfs
)
4607 return nfs
->writemax
;
4610 void nfs_set_tcp_syncnt(struct nfs_context
*nfs
, int v
) {
4611 rpc_set_tcp_syncnt(nfs
->rpc
, v
);
4614 void nfs_set_uid(struct nfs_context
*nfs
, int uid
) {
4615 rpc_set_uid(nfs
->rpc
, uid
);
4618 void nfs_set_gid(struct nfs_context
*nfs
, int gid
) {
4619 rpc_set_gid(nfs
->rpc
, gid
);
4622 void nfs_set_readahead(struct nfs_context
*nfs
, uint32_t v
) {
4623 rpc_set_readahead(nfs
->rpc
, v
);
4626 void nfs_set_error(struct nfs_context
*nfs
, char *error_string
, ...)
4631 va_start(ap
, error_string
);
4633 vsnprintf(str
, 1024, error_string
, ap
);
4634 if (nfs
->rpc
->error_string
!= NULL
) {
4635 free(nfs
->rpc
->error_string
);
4637 nfs
->rpc
->error_string
= str
;
4643 struct mount_cb_data
{
4649 static void free_mount_cb_data(struct mount_cb_data
*data
)
4651 if (data
->server
!= NULL
) {
4653 data
->server
= NULL
;
4659 static void mount_export_5_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
4661 struct mount_cb_data
*data
= private_data
;
4663 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
4665 if (status
== RPC_STATUS_ERROR
) {
4666 data
->cb(rpc
, -EFAULT
, command_data
, data
->private_data
);
4667 free_mount_cb_data(data
);
4670 if (status
== RPC_STATUS_CANCEL
) {
4671 data
->cb(rpc
, -EINTR
, "Command was cancelled", data
->private_data
);
4672 free_mount_cb_data(data
);
4676 data
->cb(rpc
, 0, command_data
, data
->private_data
);
4677 if (rpc_disconnect(rpc
, "normal disconnect") != 0) {
4678 rpc_set_error(rpc
, "Failed to disconnect\n");
4680 free_mount_cb_data(data
);
4683 static void mount_export_4_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
4685 struct mount_cb_data
*data
= private_data
;
4687 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
4689 /* Dont want any more callbacks even if the socket is closed */
4690 rpc
->connect_cb
= NULL
;
4692 if (status
== RPC_STATUS_ERROR
) {
4693 data
->cb(rpc
, -EFAULT
, command_data
, data
->private_data
);
4694 free_mount_cb_data(data
);
4697 if (status
== RPC_STATUS_CANCEL
) {
4698 data
->cb(rpc
, -EINTR
, "Command was cancelled", data
->private_data
);
4699 free_mount_cb_data(data
);
4703 if (rpc_mount3_export_async(rpc
, mount_export_5_cb
, data
) != 0) {
4704 data
->cb(rpc
, -ENOMEM
, command_data
, data
->private_data
);
4705 free_mount_cb_data(data
);
4710 int mount_getexports_async(struct rpc_context
*rpc
, const char *server
, rpc_cb cb
, void *private_data
)
4712 struct mount_cb_data
*data
;
4714 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
4716 data
= malloc(sizeof(struct mount_cb_data
));
4720 memset(data
, 0, sizeof(struct mount_cb_data
));
4722 data
->private_data
= private_data
;
4723 data
->server
= strdup(server
);
4724 if (data
->server
== NULL
) {
4725 free_mount_cb_data(data
);
4728 if (rpc_connect_program_async(rpc
, data
->server
, MOUNT_PROGRAM
, MOUNT_V3
, mount_export_4_cb
, data
) != 0) {
4729 rpc_set_error(rpc
, "Failed to start connection");
4730 free_mount_cb_data(data
);
4737 struct rpc_context
*nfs_get_rpc_context(struct nfs_context
*nfs
)
4739 assert(nfs
->rpc
->magic
== RPC_CONTEXT_MAGIC
);
4743 const char *nfs_get_server(struct nfs_context
*nfs
) {
4747 const char *nfs_get_export(struct nfs_context
*nfs
) {
4751 const struct nfs_fh3
*nfs_get_rootfh(struct nfs_context
*nfs
) {
4752 return &nfs
->rootfh
;
4755 struct nfs_fh3
*nfs_get_fh(struct nfsfh
*nfsfh
) {