2 Copyright (C) 2010 by Ronnie Sahlberg <ronniesahlberg@gmail.com>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU Lesser General Public License as published by
6 the Free Software Foundation; either version 2.1 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public License
15 along with this program; if not, see <http://www.gnu.org/licenses/>.
18 * High level api to nfs filesystems
25 #include "aros_compat.h"
29 #include "win32_compat.h"
37 #define statvfs statfs
50 #ifdef HAVE_SYS_STATVFS_H
51 #include <sys/statvfs.h>
54 #ifdef HAVE_NETINET_IN_H
55 #include <netinet/in.h>
63 #include <sys/mkdev.h>
66 #ifdef MAJOR_IN_SYSMACROS
67 #include <sys/sysmacros.h>
76 #include <sys/types.h>
79 #include "libnfs-zdr.h"
82 #include "libnfs-raw.h"
83 #include "libnfs-raw-mount.h"
84 #include "libnfs-raw-nfs.h"
85 #include "libnfs-raw-portmap.h"
86 #include "libnfs-private.h"
88 #define MAX_DIR_CACHE 128
95 struct nfsdirent
*entries
;
96 struct nfsdirent
*current
;
99 struct nfs_readahead
{
101 uint64_t last_offset
;
114 struct nfs_readahead ra
;
118 struct rpc_context
*rpc
;
121 struct nfs_fh3 rootfh
;
125 struct nfsdir
*dircache
;
128 void nfs_free_nfsdir(struct nfsdir
*nfsdir
)
130 while (nfsdir
->entries
) {
131 struct nfsdirent
*dirent
= nfsdir
->entries
->next
;
132 if (nfsdir
->entries
->name
!= NULL
) {
133 free(nfsdir
->entries
->name
);
135 free(nfsdir
->entries
);
136 nfsdir
->entries
= dirent
;
138 free(nfsdir
->fh
.data
.data_val
);
142 static void nfs_dircache_add(struct nfs_context
*nfs
, struct nfsdir
*nfsdir
)
145 LIBNFS_LIST_ADD(&nfs
->dircache
, nfsdir
);
147 for (nfsdir
= nfs
->dircache
, i
= 0; nfsdir
; nfsdir
= nfsdir
->next
, i
++) {
148 if (i
> MAX_DIR_CACHE
) {
149 LIBNFS_LIST_REMOVE(&nfs
->dircache
, nfsdir
);
150 nfs_free_nfsdir(nfsdir
);
156 static struct nfsdir
*nfs_dircache_find(struct nfs_context
*nfs
, struct nfs_fh3
*fh
)
158 struct nfsdir
*nfsdir
;
160 for (nfsdir
= nfs
->dircache
; nfsdir
; nfsdir
= nfsdir
->next
) {
161 if (nfsdir
->fh
.data
.data_len
== fh
->data
.data_len
&&
162 !memcmp(nfsdir
->fh
.data
.data_val
, fh
->data
.data_val
, fh
->data
.data_len
)) {
163 LIBNFS_LIST_REMOVE(&nfs
->dircache
, nfsdir
);
172 typedef int (*continue_func
)(struct nfs_context
*nfs
, fattr3
*attr
,
173 struct nfs_cb_data
*data
);
176 struct nfs_context
*nfs
;
178 char *saved_path
, *path
;
183 continue_func continue_cb
;
185 void (*free_continue_data
)(void *);
190 /* for multi-read/write calls. */
195 uint64_t offset
, count
, max_offset
, org_offset
, org_count
;
200 struct nfs_mcb_data
{
201 struct nfs_cb_data
*data
;
207 static int nfs_lookup_path_async_internal(struct nfs_context
*nfs
, fattr3
*attr
, struct nfs_cb_data
*data
, struct nfs_fh3
*fh
);
209 void nfs_set_auth(struct nfs_context
*nfs
, struct AUTH
*auth
)
211 rpc_set_auth(nfs
->rpc
, auth
);
214 int nfs_get_fd(struct nfs_context
*nfs
)
216 return rpc_get_fd(nfs
->rpc
);
219 int nfs_queue_length(struct nfs_context
*nfs
)
221 return rpc_queue_length(nfs
->rpc
);
224 int nfs_which_events(struct nfs_context
*nfs
)
226 return rpc_which_events(nfs
->rpc
);
229 int nfs_service(struct nfs_context
*nfs
, int revents
)
231 return rpc_service(nfs
->rpc
, revents
);
234 char *nfs_get_error(struct nfs_context
*nfs
)
236 return rpc_get_error(nfs
->rpc
);
239 static int nfs_set_context_args(struct nfs_context
*nfs
, char *arg
, char *val
)
241 if (!strcmp(arg
, "tcp-syncnt")) {
242 rpc_set_tcp_syncnt(nfs_get_rpc_context(nfs
), atoi(val
));
243 } else if (!strcmp(arg
, "uid")) {
244 rpc_set_uid(nfs_get_rpc_context(nfs
), atoi(val
));
245 } else if (!strcmp(arg
, "gid")) {
246 rpc_set_gid(nfs_get_rpc_context(nfs
), atoi(val
));
247 } else if (!strcmp(arg
, "readahaed")) {
248 rpc_set_readahead(nfs_get_rpc_context(nfs
), atoi(val
));
253 static struct nfs_url
*nfs_parse_url(struct nfs_context
*nfs
, const char *url
, int dir
, int incomplete
)
255 struct nfs_url
*urls
;
256 char *strp
, *flagsp
, *strp2
;
258 if (strncmp(url
, "nfs://", 6)) {
259 rpc_set_error(nfs
->rpc
, "Invalid URL specified");
263 urls
= malloc(sizeof(struct nfs_url
));
265 rpc_set_error(nfs
->rpc
, "Out of memory");
269 memset(urls
, 0x00, sizeof(struct nfs_url
));
270 urls
->server
= strdup(url
+ 6);
271 if (urls
->server
== NULL
) {
272 nfs_destroy_url(urls
);
273 rpc_set_error(nfs
->rpc
, "Out of memory");
277 if (urls
->server
[0] == '/' || urls
->server
[0] == '\0' ||
278 urls
->server
[0] == '?') {
280 flagsp
= strchr(urls
->server
, '?');
283 nfs_destroy_url(urls
);
284 rpc_set_error(nfs
->rpc
, "Invalid server string");
288 strp
= strchr(urls
->server
, '/');
291 flagsp
= strchr(urls
->server
, '?');
294 nfs_destroy_url(urls
);
295 rpc_set_error(nfs
->rpc
, "Incomplete or invalid URL specified.");
299 urls
->path
= strdup(strp
);
300 if (urls
->path
== NULL
) {
301 nfs_destroy_url(urls
);
302 rpc_set_error(nfs
->rpc
, "Out of memory");
308 flagsp
= strchr(urls
->path
, '?');
312 strp
= strrchr(urls
->path
, '/');
315 flagsp
= strchr(urls
->path
, '?');
318 nfs_destroy_url(urls
);
319 rpc_set_error(nfs
->rpc
, "Incomplete or invalid URL specified.");
322 urls
->file
= strdup(strp
);
323 if (urls
->path
== NULL
) {
324 nfs_destroy_url(urls
);
325 rpc_set_error(nfs
->rpc
, "Out of memory");
329 flagsp
= strchr(urls
->file
, '?');
336 if (urls
->file
&& !strlen(urls
->file
)) {
340 nfs_destroy_url(urls
);
341 rpc_set_error(nfs
->rpc
, "Incomplete or invalid URL specified.");
346 while (flagsp
!= NULL
&& *(flagsp
+1) != 0) {
348 flagsp
= strchr(strp
, '&');
352 strp2
= strchr(strp
, '=');
356 nfs_set_context_args(nfs
, strp
, strp2
);
360 if (urls
->server
&& strlen(urls
->server
) <= 1) {
368 struct nfs_url
*nfs_parse_url_full(struct nfs_context
*nfs
, const char *url
)
370 return nfs_parse_url(nfs
, url
, 0, 0);
373 struct nfs_url
*nfs_parse_url_dir(struct nfs_context
*nfs
, const char *url
)
375 return nfs_parse_url(nfs
, url
, 1, 0);
378 struct nfs_url
*nfs_parse_url_incomplete(struct nfs_context
*nfs
, const char *url
)
380 return nfs_parse_url(nfs
, url
, 0, 1);
384 void nfs_destroy_url(struct nfs_url
*url
)
394 struct nfs_context
*nfs_init_context(void)
396 struct nfs_context
*nfs
;
398 nfs
= malloc(sizeof(struct nfs_context
));
402 memset(nfs
, 0, sizeof(struct nfs_context
));
404 nfs
->rpc
= rpc_init_context();
405 if (nfs
->rpc
== NULL
) {
410 nfs
->cwd
= strdup("/");
415 void nfs_destroy_context(struct nfs_context
*nfs
)
417 rpc_destroy_context(nfs
->rpc
);
435 if (nfs
->rootfh
.data
.data_val
!= NULL
) {
436 free(nfs
->rootfh
.data
.data_val
);
437 nfs
->rootfh
.data
.data_val
= NULL
;
440 while (nfs
->dircache
) {
441 struct nfsdir
*nfsdir
= nfs
->dircache
;
442 LIBNFS_LIST_REMOVE(&nfs
->dircache
, nfsdir
);
443 nfs_free_nfsdir(nfsdir
);
458 void free_rpc_cb_data(struct rpc_cb_data
*data
)
465 static void rpc_connect_program_5_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
467 struct rpc_cb_data
*data
= private_data
;
469 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
471 /* Dont want any more callbacks even if the socket is closed */
472 rpc
->connect_cb
= NULL
;
474 if (status
== RPC_STATUS_ERROR
) {
475 data
->cb(rpc
, status
, command_data
, data
->private_data
);
476 free_rpc_cb_data(data
);
479 if (status
== RPC_STATUS_CANCEL
) {
480 data
->cb(rpc
, status
, "Command was cancelled", data
->private_data
);
481 free_rpc_cb_data(data
);
485 data
->cb(rpc
, status
, NULL
, data
->private_data
);
486 free_rpc_cb_data(data
);
489 static void rpc_connect_program_4_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
491 struct rpc_cb_data
*data
= private_data
;
493 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
495 /* Dont want any more callbacks even if the socket is closed */
496 rpc
->connect_cb
= NULL
;
498 if (status
== RPC_STATUS_ERROR
) {
499 data
->cb(rpc
, status
, command_data
, data
->private_data
);
500 free_rpc_cb_data(data
);
503 if (status
== RPC_STATUS_CANCEL
) {
504 data
->cb(rpc
, status
, "Command was cancelled", data
->private_data
);
505 free_rpc_cb_data(data
);
509 switch (data
->program
) {
511 if (rpc_mount3_null_async(rpc
, rpc_connect_program_5_cb
,
513 data
->cb(rpc
, status
, command_data
, data
->private_data
);
514 free_rpc_cb_data(data
);
519 if (rpc_nfs3_null_async(rpc
, rpc_connect_program_5_cb
,
521 data
->cb(rpc
, status
, command_data
, data
->private_data
);
522 free_rpc_cb_data(data
);
528 data
->cb(rpc
, status
, NULL
, data
->private_data
);
529 free_rpc_cb_data(data
);
532 static void rpc_connect_program_3_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
534 struct rpc_cb_data
*data
= private_data
;
535 struct pmap3_string_result
*gar
;
536 uint32_t rpc_port
= 0;
539 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
541 if (status
== RPC_STATUS_ERROR
) {
542 data
->cb(rpc
, status
, command_data
, data
->private_data
);
543 free_rpc_cb_data(data
);
546 if (status
== RPC_STATUS_CANCEL
) {
547 data
->cb(rpc
, status
, "Command was cancelled", data
->private_data
);
548 free_rpc_cb_data(data
);
552 switch (rpc
->s
.ss_family
) {
554 rpc_port
= *(uint32_t *)command_data
;
557 /* ouch. portmapper and ipv6 are not great */
559 if (gar
->addr
== NULL
) {
562 ptr
= strrchr(gar
->addr
, '.');
566 rpc_port
= atoi(ptr
+ 1);
568 ptr
= strrchr(gar
->addr
, '.');
572 rpc_port
+= 256 * atoi(ptr
+ 1);
576 rpc_set_error(rpc
, "RPC error. Program is not available on %s", data
->server
);
577 data
->cb(rpc
, RPC_STATUS_ERROR
, rpc_get_error(rpc
), data
->private_data
);
578 free_rpc_cb_data(data
);
582 rpc_disconnect(rpc
, "normal disconnect");
583 if (rpc_connect_async(rpc
, data
->server
, rpc_port
, rpc_connect_program_4_cb
, data
) != 0) {
584 data
->cb(rpc
, status
, command_data
, data
->private_data
);
585 free_rpc_cb_data(data
);
590 static void rpc_connect_program_2_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
592 struct rpc_cb_data
*data
= private_data
;
593 struct pmap3_mapping map
;
595 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
597 if (status
== RPC_STATUS_ERROR
) {
598 data
->cb(rpc
, status
, command_data
, data
->private_data
);
599 free_rpc_cb_data(data
);
602 if (status
== RPC_STATUS_CANCEL
) {
603 data
->cb(rpc
, status
, "Command was cancelled", data
->private_data
);
604 free_rpc_cb_data(data
);
608 switch (rpc
->s
.ss_family
) {
610 if (rpc_pmap2_getport_async(rpc
, data
->program
, data
->version
, IPPROTO_TCP
, rpc_connect_program_3_cb
, private_data
) != 0) {
611 data
->cb(rpc
, status
, command_data
, data
->private_data
);
612 free_rpc_cb_data(data
);
617 map
.prog
=data
->program
;
618 map
.vers
=data
->version
;
622 if (rpc_pmap3_getaddr_async(rpc
, &map
, rpc_connect_program_3_cb
, private_data
) != 0) {
623 data
->cb(rpc
, status
, command_data
, data
->private_data
);
624 free_rpc_cb_data(data
);
631 static void rpc_connect_program_1_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
633 struct rpc_cb_data
*data
= private_data
;
635 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
637 /* Dont want any more callbacks even if the socket is closed */
638 rpc
->connect_cb
= NULL
;
640 if (status
== RPC_STATUS_ERROR
) {
641 data
->cb(rpc
, status
, command_data
, data
->private_data
);
642 free_rpc_cb_data(data
);
645 if (status
== RPC_STATUS_CANCEL
) {
646 data
->cb(rpc
, status
, "Command was cancelled", data
->private_data
);
647 free_rpc_cb_data(data
);
651 switch (rpc
->s
.ss_family
) {
653 if (rpc_pmap2_null_async(rpc
, rpc_connect_program_2_cb
, data
) != 0) {
654 data
->cb(rpc
, status
, command_data
, data
->private_data
);
655 free_rpc_cb_data(data
);
660 if (rpc_pmap3_null_async(rpc
, rpc_connect_program_2_cb
, data
) != 0) {
661 data
->cb(rpc
, status
, command_data
, data
->private_data
);
662 free_rpc_cb_data(data
);
669 int rpc_connect_program_async(struct rpc_context
*rpc
, const char *server
, int program
, int version
, rpc_cb cb
, void *private_data
)
671 struct rpc_cb_data
*data
;
673 data
= malloc(sizeof(struct rpc_cb_data
));
677 memset(data
, 0, sizeof(struct rpc_cb_data
));
678 data
->server
= strdup(server
);
679 data
->program
= program
;
680 data
->version
= version
;
683 data
->private_data
= private_data
;
685 if (rpc_connect_async(rpc
, server
, 111, rpc_connect_program_1_cb
, data
) != 0) {
686 rpc_set_error(rpc
, "Failed to start connection");
687 free_rpc_cb_data(data
);
693 static void free_nfs_cb_data(struct nfs_cb_data
*data
)
695 if (data
->continue_data
!= NULL
) {
696 assert(data
->free_continue_data
);
697 data
->free_continue_data(data
->continue_data
);
700 free(data
->saved_path
);
701 free(data
->fh
.data
.data_val
);
708 static void nfs_mount_10_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
710 struct nfs_cb_data
*data
= private_data
;
711 struct nfs_context
*nfs
= data
->nfs
;
713 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
715 if (status
== RPC_STATUS_ERROR
) {
716 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
717 free_nfs_cb_data(data
);
720 if (status
== RPC_STATUS_CANCEL
) {
721 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
722 free_nfs_cb_data(data
);
726 data
->cb(0, nfs
, NULL
, data
->private_data
);
727 free_nfs_cb_data(data
);
730 static void nfs_mount_9_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
732 struct nfs_cb_data
*data
= private_data
;
733 struct nfs_context
*nfs
= data
->nfs
;
734 FSINFO3res
*res
= command_data
;
735 struct GETATTR3args args
;
737 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
739 if (status
== RPC_STATUS_ERROR
) {
740 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
741 free_nfs_cb_data(data
);
744 if (status
== RPC_STATUS_CANCEL
) {
745 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
746 free_nfs_cb_data(data
);
750 nfs
->readmax
= res
->FSINFO3res_u
.resok
.rtmax
;
751 nfs
->writemax
= res
->FSINFO3res_u
.resok
.wtmax
;
753 memset(&args
, 0, sizeof(GETATTR3args
));
754 args
.object
= nfs
->rootfh
;
756 if (rpc_nfs3_getattr_async(rpc
, nfs_mount_10_cb
, &args
, data
) != 0) {
757 data
->cb(-ENOMEM
, nfs
, command_data
, data
->private_data
);
758 free_nfs_cb_data(data
);
763 static void nfs_mount_8_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
765 struct nfs_cb_data
*data
= private_data
;
766 struct nfs_context
*nfs
= data
->nfs
;
767 struct FSINFO3args args
;
769 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
771 if (status
== RPC_STATUS_ERROR
) {
772 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
773 free_nfs_cb_data(data
);
776 if (status
== RPC_STATUS_CANCEL
) {
777 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
778 free_nfs_cb_data(data
);
782 /* NFS TCP connections we want to autoreconnect after sessions are torn down (due to inactivity or error) */
783 rpc_set_autoreconnect(rpc
);
785 args
.fsroot
= nfs
->rootfh
;
786 if (rpc_nfs3_fsinfo_async(rpc
, nfs_mount_9_cb
, &args
, data
) != 0) {
787 data
->cb(-ENOMEM
, nfs
, command_data
, data
->private_data
);
788 free_nfs_cb_data(data
);
793 static void nfs_mount_6_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
795 struct nfs_cb_data
*data
= private_data
;
796 struct nfs_context
*nfs
= data
->nfs
;
799 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
801 if (status
== RPC_STATUS_ERROR
) {
802 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
803 free_nfs_cb_data(data
);
806 if (status
== RPC_STATUS_CANCEL
) {
807 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
808 free_nfs_cb_data(data
);
813 if (res
->fhs_status
!= MNT3_OK
) {
814 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
));
815 data
->cb(mountstat3_to_errno(res
->fhs_status
), nfs
, rpc_get_error(rpc
), data
->private_data
);
816 free_nfs_cb_data(data
);
820 nfs
->rootfh
.data
.data_len
= res
->mountres3_u
.mountinfo
.fhandle
.fhandle3_len
;
821 nfs
->rootfh
.data
.data_val
= malloc(nfs
->rootfh
.data
.data_len
);
822 if (nfs
->rootfh
.data
.data_val
== NULL
) {
823 rpc_set_error(rpc
, "Out of memory. Could not allocate memory to store root filehandle");
824 data
->cb(-ENOMEM
, nfs
, rpc_get_error(rpc
), data
->private_data
);
825 free_nfs_cb_data(data
);
828 memcpy(nfs
->rootfh
.data
.data_val
, res
->mountres3_u
.mountinfo
.fhandle
.fhandle3_val
, nfs
->rootfh
.data
.data_len
);
830 rpc_disconnect(rpc
, "normal disconnect");
832 if (rpc_connect_program_async(nfs
->rpc
, nfs
->server
, NFS_PROGRAM
, NFS_V3
, nfs_mount_8_cb
, data
) != 0) {
833 data
->cb(-ENOMEM
, nfs
, command_data
, data
->private_data
);
834 free_nfs_cb_data(data
);
840 static void nfs_mount_5_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
842 struct nfs_cb_data
*data
= private_data
;
843 struct nfs_context
*nfs
= data
->nfs
;
845 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
847 if (status
== RPC_STATUS_ERROR
) {
848 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
849 free_nfs_cb_data(data
);
852 if (status
== RPC_STATUS_CANCEL
) {
853 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
854 free_nfs_cb_data(data
);
858 if (rpc_mount3_mnt_async(rpc
, nfs_mount_6_cb
, nfs
->export
, data
) != 0) {
859 data
->cb(-ENOMEM
, nfs
, command_data
, data
->private_data
);
860 free_nfs_cb_data(data
);
866 * Async call for mounting an nfs share and geting the root filehandle
868 int nfs_mount_async(struct nfs_context
*nfs
, const char *server
, const char *export
, nfs_cb cb
, void *private_data
)
870 struct nfs_cb_data
*data
;
871 char *new_server
, *new_export
;
873 data
= malloc(sizeof(struct nfs_cb_data
));
875 rpc_set_error(nfs
->rpc
, "out of memory. failed to allocate memory for nfs mount data");
878 memset(data
, 0, sizeof(struct nfs_cb_data
));
879 new_server
= strdup(server
);
880 new_export
= strdup(export
);
881 if (nfs
->server
!= NULL
) {
884 nfs
->server
= new_server
;
885 if (nfs
->export
!= NULL
) {
888 nfs
->export
= new_export
;
891 data
->private_data
= private_data
;
893 if (rpc_connect_program_async(nfs
->rpc
, server
, MOUNT_PROGRAM
, MOUNT_V3
, nfs_mount_5_cb
, data
) != 0) {
894 rpc_set_error(nfs
->rpc
, "Failed to start connection");
895 free_nfs_cb_data(data
);
905 * Functions to first look up a path, component by component, and then finally call a specific function once
906 * the filehandle for the final component is found.
908 static void nfs_lookup_path_1_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
910 struct nfs_cb_data
*data
= private_data
;
911 struct nfs_context
*nfs
= data
->nfs
;
915 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
917 if (status
== RPC_STATUS_ERROR
) {
918 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
919 free_nfs_cb_data(data
);
922 if (status
== RPC_STATUS_CANCEL
) {
923 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
924 free_nfs_cb_data(data
);
929 if (res
->status
!= NFS3_OK
) {
930 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
));
931 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
932 free_nfs_cb_data(data
);
936 attr
= res
->LOOKUP3res_u
.resok
.obj_attributes
.attributes_follow
?
937 &res
->LOOKUP3res_u
.resok
.obj_attributes
.post_op_attr_u
.attributes
:
940 /* This function will always invoke the callback and cleanup
941 * for failures. So no need to check the return value.
943 nfs_lookup_path_async_internal(nfs
, attr
, data
, &res
->LOOKUP3res_u
.resok
.object
);
946 static int nfs_lookup_path_async_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
, struct nfs_fh3
*fh
)
951 while (*data
->path
== '/') {
956 slash
= strchr(path
, '/');
958 /* Clear slash so that path is a zero terminated string for
959 * the current path component. Set it back to '/' again later
960 * when we are finished referencing this component so that
961 * data->saved_path will still point to the full
965 data
->path
= slash
+1;
967 while (*data
->path
!= 0) {
973 data
->fh
.data
.data_len
= fh
->data
.data_len
;
974 data
->fh
.data
.data_val
= malloc(data
->fh
.data
.data_len
);
975 if (data
->fh
.data
.data_val
== NULL
) {
976 rpc_set_error(nfs
->rpc
, "Out of memory: Failed to allocate fh for %s", data
->path
);
977 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
978 free_nfs_cb_data(data
);
981 memcpy(data
->fh
.data
.data_val
, fh
->data
.data_val
, data
->fh
.data
.data_len
);
985 data
->continue_cb(nfs
, attr
, data
);
989 memset(&args
, 0, sizeof(LOOKUP3args
));
991 args
.what
.name
= path
;
993 if (rpc_nfs3_lookup_async(nfs
->rpc
, nfs_lookup_path_1_cb
, &args
, data
) != 0) {
994 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send lookup call for %s", data
->path
);
995 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
996 free_nfs_cb_data(data
);
1005 static int nfs_normalize_path(struct nfs_context
*nfs
, char *path
)
1011 while ((str
= strstr(path
, "//"))) {
1019 while ((str
= strstr(path
, "/./"))) {
1026 /* ^/../ -> error */
1027 if (!strncmp(path
, "/../", 4)) {
1028 rpc_set_error(nfs
->rpc
,
1029 "Absolute path starts with '/../' "
1030 "during normalization");
1034 /* ^[^/] -> error */
1035 if (path
[0] != '/') {
1036 rpc_set_error(nfs
->rpc
,
1037 "Absolute path does not start with '/'");
1041 /* /string/../ -> / */
1042 while ((str
= strstr(path
, "/../"))) {
1045 if (!strncmp(path
, "/../", 4)) {
1046 rpc_set_error(nfs
->rpc
,
1047 "Absolute path starts with '/../' "
1048 "during normalization");
1053 while (*tmp
!= '/') {
1057 while((*(tmp
++) = *(str
++)) != '\0')
1064 if (path
[len
- 1] == '/') {
1065 path
[len
- 1] = '\0';
1069 if (path
[0] == '\0') {
1070 rpc_set_error(nfs
->rpc
,
1071 "Absolute path became '' "
1072 "during normalization");
1078 if (!strcmp(&path
[len
- 2], "/.")) {
1079 path
[len
- 2] = '\0';
1084 /* ^/..$ -> error */
1085 if (!strcmp(path
, "/..")) {
1086 rpc_set_error(nfs
->rpc
,
1087 "Absolute path is '/..' "
1088 "during normalization");
1092 /* /string/..$ -> / */
1094 if (!strcmp(&path
[len
- 3], "/..")) {
1095 char *tmp
= &path
[len
- 3];
1096 while (*--tmp
!= '/')
1105 static void nfs_lookup_path_getattr_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
1107 struct nfs_cb_data
*data
= private_data
;
1108 struct nfs_context
*nfs
= data
->nfs
;
1112 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
1114 if (status
== RPC_STATUS_ERROR
) {
1115 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1116 free_nfs_cb_data(data
);
1119 if (status
== RPC_STATUS_CANCEL
) {
1120 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1121 free_nfs_cb_data(data
);
1126 if (res
->status
!= NFS3_OK
) {
1127 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
));
1128 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1129 free_nfs_cb_data(data
);
1133 attr
= &res
->GETATTR3res_u
.resok
.obj_attributes
;
1134 /* This function will always invoke the callback and cleanup
1135 * for failures. So no need to check the return value.
1137 nfs_lookup_path_async_internal(nfs
, attr
, data
, &nfs
->rootfh
);
1140 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
)
1142 struct nfs_cb_data
*data
;
1143 struct GETATTR3args args
;
1145 if (path
[0] == '\0') {
1149 data
= malloc(sizeof(struct nfs_cb_data
));
1151 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate "
1152 "nfs_cb_data structure");
1153 if (free_continue_data
)
1154 free_continue_data(continue_data
);
1157 memset(data
, 0, sizeof(struct nfs_cb_data
));
1160 data
->continue_cb
= continue_cb
;
1161 data
->continue_data
= continue_data
;
1162 data
->free_continue_data
= free_continue_data
;
1163 data
->continue_int
= continue_int
;
1164 data
->private_data
= private_data
;
1165 if (path
[0] == '/') {
1166 data
->saved_path
= strdup(path
);
1168 data
->saved_path
= malloc(strlen(path
) + strlen(nfs
->cwd
) + 2);
1169 if (data
->saved_path
== NULL
) {
1170 rpc_set_error(nfs
->rpc
, "out of memory: failed to "
1171 "malloc path string");
1172 free_nfs_cb_data(data
);
1175 sprintf(data
->saved_path
, "%s/%s", nfs
->cwd
, path
);
1178 if (data
->saved_path
== NULL
) {
1179 rpc_set_error(nfs
->rpc
, "out of memory: failed to copy path string");
1180 free_nfs_cb_data(data
);
1183 if (nfs_normalize_path(nfs
, data
->saved_path
) != 0) {
1184 free_nfs_cb_data(data
);
1188 data
->path
= data
->saved_path
;
1189 if (data
->path
[0]) {
1190 /* This function will always invoke the callback and cleanup
1191 * for failures. So no need to check the return value.
1193 nfs_lookup_path_async_internal(nfs
, NULL
, data
, &nfs
->rootfh
);
1197 /* We have a request for "", so just perform a GETATTR3 so we can
1198 * return the attributes to the caller.
1200 memset(&args
, 0, sizeof(GETATTR3args
));
1201 args
.object
= nfs
->rootfh
;
1202 if (rpc_nfs3_getattr_async(nfs
->rpc
, nfs_lookup_path_getattr_cb
, &args
, data
) != 0) {
1203 free_nfs_cb_data(data
);
1213 static dev_t
specdata3_to_rdev(struct specdata3
*rdev
)
1216 return makedev(rdev
->specdata1
, rdev
->specdata2
);
1222 static void nfs_stat_1_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
1225 struct nfs_cb_data
*data
= private_data
;
1226 struct nfs_context
*nfs
= data
->nfs
;
1233 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
1235 if (status
== RPC_STATUS_ERROR
) {
1236 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1237 free_nfs_cb_data(data
);
1240 if (status
== RPC_STATUS_CANCEL
) {
1241 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1242 free_nfs_cb_data(data
);
1247 if (res
->status
!= NFS3_OK
) {
1248 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
));
1249 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1250 free_nfs_cb_data(data
);
1254 st
.st_dev
= res
->GETATTR3res_u
.resok
.obj_attributes
.fsid
;
1255 st
.st_ino
= res
->GETATTR3res_u
.resok
.obj_attributes
.fileid
;
1256 st
.st_mode
= res
->GETATTR3res_u
.resok
.obj_attributes
.mode
;
1257 switch (res
->GETATTR3res_u
.resok
.obj_attributes
.type
) {
1259 st
.st_mode
|= S_IFREG
;
1262 st
.st_mode
|= S_IFDIR
;
1265 st
.st_mode
|= S_IFBLK
;
1268 st
.st_mode
|= S_IFCHR
;
1271 st
.st_mode
|= S_IFLNK
;
1274 st
.st_mode
|= S_IFSOCK
;
1277 st
.st_mode
|= S_IFIFO
;
1280 st
.st_nlink
= res
->GETATTR3res_u
.resok
.obj_attributes
.nlink
;
1281 st
.st_uid
= res
->GETATTR3res_u
.resok
.obj_attributes
.uid
;
1282 st
.st_gid
= res
->GETATTR3res_u
.resok
.obj_attributes
.gid
;
1283 st
.st_rdev
= specdata3_to_rdev(&res
->GETATTR3res_u
.resok
.obj_attributes
.rdev
);
1284 st
.st_size
= res
->GETATTR3res_u
.resok
.obj_attributes
.size
;
1286 st
.st_blksize
= NFS_BLKSIZE
;
1287 st
.st_blocks
= (res
->GETATTR3res_u
.resok
.obj_attributes
.used
+ 512 - 1) / 512;
1289 st
.st_atime
= res
->GETATTR3res_u
.resok
.obj_attributes
.atime
.seconds
;
1290 st
.st_mtime
= res
->GETATTR3res_u
.resok
.obj_attributes
.mtime
.seconds
;
1291 st
.st_ctime
= res
->GETATTR3res_u
.resok
.obj_attributes
.ctime
.seconds
;
1292 #ifdef HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC
1293 st
.st_atim
.tv_nsec
= res
->GETATTR3res_u
.resok
.obj_attributes
.atime
.nseconds
;
1294 st
.st_mtim
.tv_nsec
= res
->GETATTR3res_u
.resok
.obj_attributes
.mtime
.nseconds
;
1295 st
.st_ctim
.tv_nsec
= res
->GETATTR3res_u
.resok
.obj_attributes
.ctime
.nseconds
;
1298 data
->cb(0, nfs
, &st
, data
->private_data
);
1299 free_nfs_cb_data(data
);
1302 static int nfs_stat_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
1304 struct GETATTR3args args
;
1306 memset(&args
, 0, sizeof(GETATTR3args
));
1307 args
.object
= data
->fh
;
1309 if (rpc_nfs3_getattr_async(nfs
->rpc
, nfs_stat_1_cb
, &args
, data
) != 0) {
1310 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send STAT GETATTR call for %s", data
->path
);
1311 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1312 free_nfs_cb_data(data
);
1318 int nfs_stat_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
1320 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_stat_continue_internal
, NULL
, NULL
, 0) != 0) {
1321 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
1330 * Async nfs_stat64()
1332 static void nfs_stat64_1_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
1335 struct nfs_cb_data
*data
= private_data
;
1336 struct nfs_context
*nfs
= data
->nfs
;
1337 struct nfs_stat_64 st
;
1339 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
1341 if (status
== RPC_STATUS_ERROR
) {
1342 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1343 free_nfs_cb_data(data
);
1346 if (status
== RPC_STATUS_CANCEL
) {
1347 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1348 free_nfs_cb_data(data
);
1353 if (res
->status
!= NFS3_OK
) {
1354 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
));
1355 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1356 free_nfs_cb_data(data
);
1360 st
.nfs_dev
= res
->GETATTR3res_u
.resok
.obj_attributes
.fsid
;
1361 st
.nfs_ino
= res
->GETATTR3res_u
.resok
.obj_attributes
.fileid
;
1362 st
.nfs_mode
= res
->GETATTR3res_u
.resok
.obj_attributes
.mode
;
1363 switch (res
->GETATTR3res_u
.resok
.obj_attributes
.type
) {
1365 st
.nfs_mode
|= S_IFREG
;
1368 st
.nfs_mode
|= S_IFDIR
;
1371 st
.nfs_mode
|= S_IFBLK
;
1374 st
.nfs_mode
|= S_IFCHR
;
1377 st
.nfs_mode
|= S_IFLNK
;
1380 st
.nfs_mode
|= S_IFSOCK
;
1383 st
.nfs_mode
|= S_IFIFO
;
1386 st
.nfs_nlink
= res
->GETATTR3res_u
.resok
.obj_attributes
.nlink
;
1387 st
.nfs_uid
= res
->GETATTR3res_u
.resok
.obj_attributes
.uid
;
1388 st
.nfs_gid
= res
->GETATTR3res_u
.resok
.obj_attributes
.gid
;
1389 st
.nfs_rdev
= specdata3_to_rdev(&res
->GETATTR3res_u
.resok
.obj_attributes
.rdev
);
1390 st
.nfs_size
= res
->GETATTR3res_u
.resok
.obj_attributes
.size
;
1391 st
.nfs_blksize
= NFS_BLKSIZE
;
1392 st
.nfs_blocks
= (res
->GETATTR3res_u
.resok
.obj_attributes
.used
+ 512 - 1) / 512;
1393 st
.nfs_atime
= res
->GETATTR3res_u
.resok
.obj_attributes
.atime
.seconds
;
1394 st
.nfs_mtime
= res
->GETATTR3res_u
.resok
.obj_attributes
.mtime
.seconds
;
1395 st
.nfs_ctime
= res
->GETATTR3res_u
.resok
.obj_attributes
.ctime
.seconds
;
1396 st
.nfs_atime_nsec
= res
->GETATTR3res_u
.resok
.obj_attributes
.atime
.nseconds
;
1397 st
.nfs_mtime_nsec
= res
->GETATTR3res_u
.resok
.obj_attributes
.mtime
.nseconds
;
1398 st
.nfs_ctime_nsec
= res
->GETATTR3res_u
.resok
.obj_attributes
.ctime
.nseconds
;
1399 st
.nfs_used
= res
->GETATTR3res_u
.resok
.obj_attributes
.used
;
1401 data
->cb(0, nfs
, &st
, data
->private_data
);
1402 free_nfs_cb_data(data
);
1405 static int nfs_stat64_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
1407 struct GETATTR3args args
;
1409 memset(&args
, 0, sizeof(GETATTR3args
));
1410 args
.object
= data
->fh
;
1412 if (rpc_nfs3_getattr_async(nfs
->rpc
, nfs_stat64_1_cb
, &args
, data
) != 0) {
1413 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send STAT GETATTR call for %s", data
->path
);
1414 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1415 free_nfs_cb_data(data
);
1421 int nfs_stat64_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
1423 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_stat64_continue_internal
, NULL
, NULL
, 0) != 0) {
1424 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
1434 static void nfs_open_trunc_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
1436 struct nfs_cb_data
*data
= private_data
;
1437 struct nfs_context
*nfs
= data
->nfs
;
1438 struct nfsfh
*nfsfh
;
1441 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
1443 if (status
== RPC_STATUS_ERROR
) {
1444 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1445 free_nfs_cb_data(data
);
1448 if (status
== RPC_STATUS_CANCEL
) {
1449 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1450 free_nfs_cb_data(data
);
1455 if (res
->status
!= NFS3_OK
) {
1456 rpc_set_error(nfs
->rpc
, "NFS: Setattr failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
1457 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1458 free_nfs_cb_data(data
);
1462 nfsfh
= malloc(sizeof(struct nfsfh
));
1463 if (nfsfh
== NULL
) {
1464 rpc_set_error(nfs
->rpc
, "NFS: Failed to allocate nfsfh structure");
1465 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1466 free_nfs_cb_data(data
);
1469 memset(nfsfh
, 0, sizeof(struct nfsfh
));
1471 if (data
->continue_int
& O_SYNC
) {
1474 if (data
->continue_int
& O_APPEND
) {
1475 nfsfh
->is_append
= 1;
1478 /* steal the filehandle */
1479 nfsfh
->fh
= data
->fh
;
1480 data
->fh
.data
.data_val
= NULL
;
1482 data
->cb(0, nfs
, nfsfh
, data
->private_data
);
1483 free_nfs_cb_data(data
);
1486 static void nfs_open_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
1489 struct nfs_cb_data
*data
= private_data
;
1490 struct nfs_context
*nfs
= data
->nfs
;
1491 struct nfsfh
*nfsfh
;
1492 unsigned int nfsmode
= 0;
1494 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
1496 if (status
== RPC_STATUS_ERROR
) {
1497 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1498 free_nfs_cb_data(data
);
1501 if (status
== RPC_STATUS_CANCEL
) {
1502 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1503 free_nfs_cb_data(data
);
1508 if (res
->status
!= NFS3_OK
) {
1509 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
));
1510 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1511 free_nfs_cb_data(data
);
1515 if (data
->continue_int
& O_WRONLY
) {
1516 nfsmode
|= ACCESS3_MODIFY
;
1518 if (data
->continue_int
& O_RDWR
) {
1519 nfsmode
|= ACCESS3_READ
|ACCESS3_MODIFY
;
1521 if (!(data
->continue_int
& (O_WRONLY
|O_RDWR
))) {
1522 nfsmode
|= ACCESS3_READ
;
1526 if (res
->ACCESS3res_u
.resok
.access
!= nfsmode
) {
1527 rpc_set_error(nfs
->rpc
, "NFS: ACCESS denied. Required access %c%c%c. Allowed access %c%c%c",
1528 nfsmode
&ACCESS3_READ
?'r':'-',
1529 nfsmode
&ACCESS3_MODIFY
?'w':'-',
1530 nfsmode
&ACCESS3_EXECUTE
?'x':'-',
1531 res
->ACCESS3res_u
.resok
.access
&ACCESS3_READ
?'r':'-',
1532 res
->ACCESS3res_u
.resok
.access
&ACCESS3_MODIFY
?'w':'-',
1533 res
->ACCESS3res_u
.resok
.access
&ACCESS3_EXECUTE
?'x':'-');
1534 data
->cb(-EACCES
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1535 free_nfs_cb_data(data
);
1539 /* Try to truncate it if we were requested to */
1540 if ((data
->continue_int
& O_TRUNC
) &&
1541 (data
->continue_int
& (O_RDWR
|O_WRONLY
))) {
1544 memset(&args
, 0, sizeof(SETATTR3args
));
1545 args
.object
= data
->fh
;
1546 args
.new_attributes
.size
.set_it
= 1;
1547 args
.new_attributes
.size
.set_size3_u
.size
= 0;
1549 if (rpc_nfs3_setattr_async(nfs
->rpc
, nfs_open_trunc_cb
, &args
,
1551 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send "
1552 "SETATTR call for %s", data
->path
);
1553 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
),
1554 data
->private_data
);
1555 free_nfs_cb_data(data
);
1561 nfsfh
= malloc(sizeof(struct nfsfh
));
1562 if (nfsfh
== NULL
) {
1563 rpc_set_error(nfs
->rpc
, "NFS: Failed to allocate nfsfh structure");
1564 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
1565 free_nfs_cb_data(data
);
1568 memset(nfsfh
, 0, sizeof(struct nfsfh
));
1570 if (data
->continue_int
& O_SYNC
) {
1573 if (data
->continue_int
& O_APPEND
) {
1574 nfsfh
->is_append
= 1;
1577 /* steal the filehandle */
1578 nfsfh
->fh
= data
->fh
;
1579 data
->fh
.data
.data_val
= NULL
;
1581 data
->cb(0, nfs
, nfsfh
, data
->private_data
);
1582 free_nfs_cb_data(data
);
1585 static int nfs_open_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
1590 if (data
->continue_int
& O_WRONLY
) {
1591 nfsmode
|= ACCESS3_MODIFY
;
1593 if (data
->continue_int
& O_RDWR
) {
1594 nfsmode
|= ACCESS3_READ
|ACCESS3_MODIFY
;
1596 if (!(data
->continue_int
& (O_WRONLY
|O_RDWR
))) {
1597 nfsmode
|= ACCESS3_READ
;
1600 memset(&args
, 0, sizeof(ACCESS3args
));
1601 args
.object
= data
->fh
;
1602 args
.access
= nfsmode
;
1604 if (rpc_nfs3_access_async(nfs
->rpc
, nfs_open_cb
, &args
, data
) != 0) {
1605 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send OPEN ACCESS "
1606 "call for %s", data
->path
);
1607 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
),
1608 data
->private_data
);
1609 free_nfs_cb_data(data
);
1615 int nfs_open_async(struct nfs_context
*nfs
, const char *path
, int flags
, nfs_cb cb
, void *private_data
)
1617 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_open_continue_internal
, NULL
, NULL
, flags
) != 0) {
1618 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
1629 static int nfs_chdir_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
1631 /* steal saved_path */
1633 nfs
->cwd
= data
->saved_path
;
1634 data
->saved_path
= NULL
;
1636 data
->cb(0, nfs
, NULL
, data
->private_data
);
1637 free_nfs_cb_data(data
);
1642 int nfs_chdir_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
1644 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_chdir_continue_internal
, NULL
, NULL
, 0) != 0) {
1645 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
1656 static void nfs_fill_READ3args(READ3args
*args
, struct nfsfh
*fh
, uint64_t offset
, uint64_t count
)
1658 memset(args
, 0, sizeof(READ3args
));
1659 args
->file
= fh
->fh
;
1660 args
->offset
= offset
;
1661 args
->count
= count
;
1664 static void nfs_pread_mcb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
1666 struct nfs_mcb_data
*mdata
= private_data
;
1667 struct nfs_cb_data
*data
= mdata
->data
;
1668 struct nfs_context
*nfs
= data
->nfs
;
1671 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
1675 if (status
== RPC_STATUS_ERROR
) {
1676 /* flag the failure but do not invoke callback until we have received all responses */
1679 if (status
== RPC_STATUS_CANCEL
) {
1680 /* flag the cancellation but do not invoke callback until we have received all responses */
1684 if (status
== RPC_STATUS_SUCCESS
) {
1686 if (res
->status
!= NFS3_OK
) {
1687 rpc_set_error(nfs
->rpc
, "NFS: Read failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
1690 uint64_t count
= res
->READ3res_u
.resok
.count
;
1692 if (mdata
->update_pos
)
1693 data
->nfsfh
->offset
+= count
;
1695 /* if we have more than one call or we have received a short read we need a reassembly buffer */
1696 if (data
->num_calls
|| (count
< mdata
->count
&& !res
->READ3res_u
.resok
.eof
)) {
1697 if (data
->buffer
== NULL
) {
1698 data
->buffer
= malloc(data
->count
);
1699 if (data
->buffer
== NULL
) {
1700 rpc_set_error(nfs
->rpc
, "Out-Of-Memory: Failed to allocate reassembly buffer for %d bytes", (int)data
->count
);
1706 if (count
<= mdata
->count
) {
1707 /* copy data into reassembly buffer if we have one */
1708 if (data
->buffer
!= NULL
) {
1709 memcpy(&data
->buffer
[mdata
->offset
- data
->offset
], res
->READ3res_u
.resok
.data
.data_val
, count
);
1711 if (data
->max_offset
< mdata
->offset
+ count
) {
1712 data
->max_offset
= mdata
->offset
+ count
;
1715 rpc_set_error(nfs
->rpc
, "NFS: Read overflow. Server has sent more data than requested!");
1719 /* check if we have received a short read */
1720 if (count
< mdata
->count
&& !res
->READ3res_u
.resok
.eof
) {
1722 rpc_set_error(nfs
->rpc
, "NFS: Read failed. No bytes read and not at EOF!");
1725 /* reissue reminder of this read request */
1727 mdata
->offset
+= count
;
1728 mdata
->count
-= count
;
1729 nfs_fill_READ3args(&args
, data
->nfsfh
, mdata
->offset
, mdata
->count
);
1730 if (rpc_nfs3_read_async(nfs
->rpc
, nfs_pread_mcb
, &args
, mdata
) == 0) {
1734 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READ call for %s", data
->path
);
1744 if (data
->num_calls
> 0) {
1745 /* still waiting for more replies */
1748 if (data
->oom
!= 0) {
1749 data
->cb(-ENOMEM
, nfs
, command_data
, data
->private_data
);
1750 free_nfs_cb_data(data
);
1753 if (data
->error
!= 0) {
1754 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
1755 free_nfs_cb_data(data
);
1758 if (data
->cancel
!= 0) {
1759 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
1760 free_nfs_cb_data(data
);
1765 if (data
->max_offset
> data
->org_offset
+ data
->org_count
) {
1766 data
->max_offset
= data
->org_offset
+ data
->org_count
;
1768 data
->cb(data
->max_offset
- data
->org_offset
, nfs
, data
->buffer
+ (data
->org_offset
- data
->offset
), data
->private_data
);
1770 data
->cb(res
->READ3res_u
.resok
.count
, nfs
, res
->READ3res_u
.resok
.data
.data_val
, data
->private_data
);
1773 data
->nfsfh
->ra
.fh_offset
= data
->max_offset
;
1774 if (data
->nfsfh
->ra
.cur_ra
) {
1775 free(data
->nfsfh
->ra
.buf
);
1776 data
->nfsfh
->ra
.buf
= data
->buffer
;
1777 data
->nfsfh
->ra
.buf_offset
= data
->offset
;
1778 data
->nfsfh
->ra
.buf_count
= data
->count
;
1779 data
->nfsfh
->ra
.buf_ts
= time(NULL
);
1780 data
->buffer
= NULL
;
1782 free_nfs_cb_data(data
);
1785 static void nfs_ra_invalidate(struct nfsfh
*nfsfh
) {
1786 free(nfsfh
->ra
.buf
);
1787 nfsfh
->ra
.buf
= NULL
;
1788 nfsfh
->ra
.buf_offset
= 0;
1789 nfsfh
->ra
.buf_count
= 0;
1790 nfsfh
->ra
.buf_ts
= time(NULL
);
1791 nfsfh
->ra
.cur_ra
= NFS_BLKSIZE
;
1794 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
)
1796 struct nfs_cb_data
*data
;
1798 data
= malloc(sizeof(struct nfs_cb_data
));
1800 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_cb_data structure");
1803 memset(data
, 0, sizeof(struct nfs_cb_data
));
1806 data
->private_data
= private_data
;
1807 data
->nfsfh
= nfsfh
;
1808 data
->org_offset
= offset
;
1809 data
->org_count
= count
;
1811 assert(data
->num_calls
== 0);
1813 if (nfs
->rpc
->readahead
&& time(NULL
) - nfsfh
->ra
.buf_ts
> NFS_RA_TIMEOUT
) {
1814 /* readahead cache timeout */
1815 nfs_ra_invalidate(nfsfh
);
1818 if (nfs
->rpc
->readahead
) {
1819 if (offset
>= nfsfh
->ra
.last_offset
&&
1820 offset
- NFS_BLKSIZE
<= nfsfh
->ra
.fh_offset
+ nfsfh
->ra
.cur_ra
) {
1821 if (nfs
->rpc
->readahead
> nfsfh
->ra
.cur_ra
) {
1822 nfsfh
->ra
.cur_ra
<<= 1;
1825 nfsfh
->ra
.cur_ra
= NFS_BLKSIZE
;
1828 nfsfh
->ra
.last_offset
= offset
;
1830 if (nfsfh
->ra
.buf_offset
<= offset
&&
1831 nfsfh
->ra
.buf_offset
+ nfsfh
->ra
.buf_count
>= offset
+ count
) {
1832 /* serve request completely from cache */
1833 data
->buffer
= malloc(count
);
1834 if (data
->buffer
== NULL
) {
1835 free_nfs_cb_data(data
);
1838 memcpy(data
->buffer
, nfsfh
->ra
.buf
+ (offset
- nfsfh
->ra
.buf_offset
), count
);
1839 data
->cb(count
, nfs
, data
->buffer
, data
->private_data
);
1840 nfsfh
->ra
.fh_offset
= offset
+ count
;
1841 free_nfs_cb_data(data
);
1845 /* align start offset to blocksize */
1846 count
+= offset
& (NFS_BLKSIZE
- 1);
1847 offset
&= ~(NFS_BLKSIZE
- 1);
1849 /* align end offset to blocksize and add readahead */
1850 count
+= nfsfh
->ra
.cur_ra
- 1;
1851 count
&= ~(NFS_BLKSIZE
- 1);
1853 data
->buffer
= malloc(count
);
1854 if (data
->buffer
== NULL
) {
1855 free_nfs_cb_data(data
);
1858 data
->offset
= offset
;
1859 data
->count
= count
;
1861 if (nfsfh
->ra
.buf_count
&& nfsfh
->ra
.buf_offset
<= offset
&&
1862 nfsfh
->ra
.buf_offset
+ nfsfh
->ra
.buf_count
>= offset
) {
1863 /* serve request partially from cache */
1864 size_t overlap
= (nfsfh
->ra
.buf_offset
+ nfsfh
->ra
.buf_count
) - offset
;
1865 if (overlap
> count
) count
= overlap
;
1866 memcpy(data
->buffer
, nfsfh
->ra
.buf
+ (offset
- nfsfh
->ra
.buf_offset
), overlap
);
1871 data
->offset
= offset
;
1872 data
->count
= count
;
1875 data
->max_offset
= offset
;
1877 /* chop requests into chunks of at most READMAX bytes if necessary.
1878 * we send all reads in parallel so that performance is still good.
1881 uint64_t readcount
= count
;
1882 struct nfs_mcb_data
*mdata
;
1885 if (readcount
> nfs_get_readmax(nfs
)) {
1886 readcount
= nfs_get_readmax(nfs
);
1889 mdata
= malloc(sizeof(struct nfs_mcb_data
));
1890 if (mdata
== NULL
) {
1891 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_mcb_data structure");
1892 if (data
->num_calls
== 0) {
1893 free_nfs_cb_data(data
);
1899 memset(mdata
, 0, sizeof(struct nfs_mcb_data
));
1901 mdata
->offset
= offset
;
1902 mdata
->count
= readcount
;
1903 mdata
->update_pos
= update_pos
;
1905 nfs_fill_READ3args(&args
, nfsfh
, offset
, readcount
);
1907 if (rpc_nfs3_read_async(nfs
->rpc
, nfs_pread_mcb
, &args
, mdata
) != 0) {
1908 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READ call for %s", data
->path
);
1910 if (data
->num_calls
== 0) {
1911 free_nfs_cb_data(data
);
1919 offset
+= readcount
;
1921 } while (count
> 0);
1926 int nfs_pread_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, uint64_t offset
, uint64_t count
, nfs_cb cb
, void *private_data
)
1928 return nfs_pread_async_internal(nfs
, nfsfh
, offset
, count
, cb
, private_data
, 0);
1934 int nfs_read_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, uint64_t count
, nfs_cb cb
, void *private_data
)
1936 return nfs_pread_async_internal(nfs
, nfsfh
, nfsfh
->offset
, count
, cb
, private_data
, 1);
1944 static void nfs_fill_WRITE3args (WRITE3args
*args
, struct nfsfh
*fh
, uint64_t offset
, uint64_t count
,
1947 memset(args
, 0, sizeof(WRITE3args
));
1948 args
->file
= fh
->fh
;
1949 args
->offset
= offset
;
1950 args
->count
= count
;
1951 args
->stable
= fh
->is_sync
? FILE_SYNC
: UNSTABLE
;
1952 args
->data
.data_len
= count
;
1953 args
->data
.data_val
= buf
;
1956 static void nfs_pwrite_mcb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
1958 struct nfs_mcb_data
*mdata
= private_data
;
1959 struct nfs_cb_data
*data
= mdata
->data
;
1960 struct nfs_context
*nfs
= data
->nfs
;
1963 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
1967 if (status
== RPC_STATUS_ERROR
) {
1968 /* flag the failure but do not invoke callback until we have received all responses */
1971 if (status
== RPC_STATUS_CANCEL
) {
1972 /* flag the cancellation but do not invoke callback until we have received all responses */
1976 if (status
== RPC_STATUS_SUCCESS
) {
1978 if (res
->status
!= NFS3_OK
) {
1979 rpc_set_error(nfs
->rpc
, "NFS: Write failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
1982 uint64_t count
= res
->WRITE3res_u
.resok
.count
;
1984 if (mdata
->update_pos
)
1985 data
->nfsfh
->offset
+= count
;
1987 if (count
< mdata
->count
) {
1989 rpc_set_error(nfs
->rpc
, "NFS: Write failed. No bytes written!");
1992 /* reissue reminder of this write request */
1994 mdata
->offset
+= count
;
1995 mdata
->count
-= count
;
1997 nfs_fill_WRITE3args(&args
, data
->nfsfh
, mdata
->offset
, mdata
->count
,
1998 &data
->usrbuf
[mdata
->offset
- data
->offset
]);
1999 if (rpc_nfs3_write_async(nfs
->rpc
, nfs_pwrite_mcb
, &args
, mdata
) == 0) {
2003 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send WRITE call for %s", data
->path
);
2009 if (data
->max_offset
< mdata
->offset
+ count
) {
2010 data
->max_offset
= mdata
->offset
+ count
;
2018 if (data
->num_calls
> 0) {
2019 /* still waiting for more replies */
2022 if (data
->oom
!= 0) {
2023 data
->cb(-ENOMEM
, nfs
, command_data
, data
->private_data
);
2024 free_nfs_cb_data(data
);
2027 if (data
->error
!= 0) {
2028 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2029 free_nfs_cb_data(data
);
2032 if (data
->cancel
!= 0) {
2033 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2034 free_nfs_cb_data(data
);
2038 data
->cb(data
->max_offset
- data
->offset
, nfs
, NULL
, data
->private_data
);
2040 free_nfs_cb_data(data
);
2044 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
)
2046 struct nfs_cb_data
*data
;
2048 data
= malloc(sizeof(struct nfs_cb_data
));
2050 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_cb_data structure");
2053 memset(data
, 0, sizeof(struct nfs_cb_data
));
2056 data
->private_data
= private_data
;
2057 data
->nfsfh
= nfsfh
;
2060 /* hello, clang-analyzer */
2061 assert(data
->num_calls
== 0);
2063 /* chop requests into chunks of at most WRITEMAX bytes if necessary.
2064 * we send all writes in parallel so that performance is still good.
2066 data
->max_offset
= offset
;
2067 data
->offset
= offset
;
2070 uint64_t writecount
= count
;
2071 struct nfs_mcb_data
*mdata
;
2074 if (writecount
> nfs_get_writemax(nfs
)) {
2075 writecount
= nfs_get_writemax(nfs
);
2078 mdata
= malloc(sizeof(struct nfs_mcb_data
));
2079 if (mdata
== NULL
) {
2080 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_mcb_data structure");
2081 if (data
->num_calls
== 0) {
2082 free_nfs_cb_data(data
);
2088 memset(mdata
, 0, sizeof(struct nfs_mcb_data
));
2090 mdata
->offset
= offset
;
2091 mdata
->count
= writecount
;
2092 mdata
->update_pos
= update_pos
;
2094 nfs_fill_WRITE3args(&args
, nfsfh
, offset
, writecount
, &buf
[offset
- data
->offset
]);
2096 if (rpc_nfs3_write_async(nfs
->rpc
, nfs_pwrite_mcb
, &args
, mdata
) != 0) {
2097 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send WRITE call for %s", data
->path
);
2099 if (data
->num_calls
== 0) {
2100 free_nfs_cb_data(data
);
2107 count
-= writecount
;
2108 offset
+= writecount
;
2110 } while (count
> 0);
2115 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
)
2117 return nfs_pwrite_async_internal(nfs
, nfsfh
, offset
, count
, buf
, cb
, private_data
, 0);
2123 static void nfs_write_append_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2125 struct nfs_cb_data
*data
= private_data
;
2126 struct nfs_context
*nfs
= data
->nfs
;
2129 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
2131 if (status
== RPC_STATUS_ERROR
) {
2132 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2133 free_nfs_cb_data(data
);
2136 if (status
== RPC_STATUS_CANCEL
) {
2137 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2138 free_nfs_cb_data(data
);
2143 if (res
->status
!= NFS3_OK
) {
2144 rpc_set_error(nfs
->rpc
, "NFS: GETATTR failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
2145 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2146 free_nfs_cb_data(data
);
2150 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) {
2151 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2152 free_nfs_cb_data(data
);
2155 free_nfs_cb_data(data
);
2158 int nfs_write_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, uint64_t count
, char *buf
, nfs_cb cb
, void *private_data
)
2160 nfs_ra_invalidate(nfsfh
);
2161 if (nfsfh
->is_append
) {
2162 struct GETATTR3args args
;
2163 struct nfs_cb_data
*data
;
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
;
2174 data
->nfsfh
= nfsfh
;
2176 data
->count
= count
;
2178 memset(&args
, 0, sizeof(GETATTR3args
));
2179 args
.object
= nfsfh
->fh
;
2181 if (rpc_nfs3_getattr_async(nfs
->rpc
, nfs_write_append_cb
, &args
, data
) != 0) {
2182 rpc_set_error(nfs
->rpc
, "out of memory: failed to send GETATTR");
2183 free_nfs_cb_data(data
);
2188 return nfs_pwrite_async_internal(nfs
, nfsfh
, nfsfh
->offset
, count
, buf
, cb
, private_data
, 1);
2198 int nfs_close_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, nfs_cb cb
, void *private_data
)
2200 if (nfsfh
->fh
.data
.data_val
!= NULL
){
2201 free(nfsfh
->fh
.data
.data_val
);
2202 nfsfh
->fh
.data
.data_val
= NULL
;
2204 free(nfsfh
->ra
.buf
);
2207 cb(0, nfs
, NULL
, private_data
);
2218 int nfs_fstat_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, nfs_cb cb
, void *private_data
)
2220 struct nfs_cb_data
*data
;
2221 struct GETATTR3args args
;
2223 data
= malloc(sizeof(struct nfs_cb_data
));
2225 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_cb_data structure");
2228 memset(data
, 0, sizeof(struct nfs_cb_data
));
2231 data
->private_data
= private_data
;
2233 memset(&args
, 0, sizeof(GETATTR3args
));
2234 args
.object
= nfsfh
->fh
;
2236 if (rpc_nfs3_getattr_async(nfs
->rpc
, nfs_stat_1_cb
, &args
, data
) != 0) {
2237 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send STAT GETATTR call for %s", data
->path
);
2238 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2239 free_nfs_cb_data(data
);
2250 static void nfs_fsync_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2252 struct nfs_cb_data
*data
= private_data
;
2253 struct nfs_context
*nfs
= data
->nfs
;
2256 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
2258 if (status
== RPC_STATUS_ERROR
) {
2259 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2260 free_nfs_cb_data(data
);
2263 if (status
== RPC_STATUS_CANCEL
) {
2264 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2265 free_nfs_cb_data(data
);
2270 if (res
->status
!= NFS3_OK
) {
2271 rpc_set_error(nfs
->rpc
, "NFS: Commit failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
2272 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2273 free_nfs_cb_data(data
);
2277 data
->cb(0, nfs
, NULL
, data
->private_data
);
2278 free_nfs_cb_data(data
);
2281 int nfs_fsync_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, nfs_cb cb
, void *private_data
)
2283 struct nfs_cb_data
*data
;
2284 struct COMMIT3args args
;
2286 data
= malloc(sizeof(struct nfs_cb_data
));
2288 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_cb_data structure");
2291 memset(data
, 0, sizeof(struct nfs_cb_data
));
2294 data
->private_data
= private_data
;
2296 args
.file
= nfsfh
->fh
;
2299 if (rpc_nfs3_commit_async(nfs
->rpc
, nfs_fsync_cb
, &args
, data
) != 0) {
2300 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send COMMIT call for %s", data
->path
);
2301 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2302 free_nfs_cb_data(data
);
2314 static void nfs_ftruncate_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2316 struct nfs_cb_data
*data
= private_data
;
2317 struct nfs_context
*nfs
= data
->nfs
;
2320 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
2322 if (status
== RPC_STATUS_ERROR
) {
2323 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2324 free_nfs_cb_data(data
);
2327 if (status
== RPC_STATUS_CANCEL
) {
2328 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2329 free_nfs_cb_data(data
);
2334 if (res
->status
!= NFS3_OK
) {
2335 rpc_set_error(nfs
->rpc
, "NFS: Setattr failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
2336 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2337 free_nfs_cb_data(data
);
2341 data
->cb(0, nfs
, NULL
, data
->private_data
);
2342 free_nfs_cb_data(data
);
2345 int nfs_ftruncate_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, uint64_t length
, nfs_cb cb
, void *private_data
)
2347 struct nfs_cb_data
*data
;
2350 data
= malloc(sizeof(struct nfs_cb_data
));
2352 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_cb_data structure");
2355 memset(data
, 0, sizeof(struct nfs_cb_data
));
2358 data
->private_data
= private_data
;
2360 memset(&args
, 0, sizeof(SETATTR3args
));
2361 args
.object
= nfsfh
->fh
;
2362 args
.new_attributes
.size
.set_it
= 1;
2363 args
.new_attributes
.size
.set_size3_u
.size
= length
;
2365 if (rpc_nfs3_setattr_async(nfs
->rpc
, nfs_ftruncate_cb
, &args
, data
) != 0) {
2366 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SETATTR call for %s", data
->path
);
2367 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2368 free_nfs_cb_data(data
);
2378 static int nfs_truncate_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
2380 uint64_t offset
= data
->continue_int
;
2383 nfsfh
.fh
= data
->fh
;
2385 if (nfs_ftruncate_async(nfs
, &nfsfh
, offset
, data
->cb
, data
->private_data
) != 0) {
2386 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SETATTR call for %s", data
->path
);
2387 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2388 free_nfs_cb_data(data
);
2391 free_nfs_cb_data(data
);
2395 int nfs_truncate_async(struct nfs_context
*nfs
, const char *path
, uint64_t length
, nfs_cb cb
, void *private_data
)
2401 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_truncate_continue_internal
, NULL
, NULL
, offset
) != 0) {
2402 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
2415 static void nfs_mkdir_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2418 struct nfs_cb_data
*data
= private_data
;
2419 struct nfs_context
*nfs
= data
->nfs
;
2420 char *str
= data
->continue_data
;
2422 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
2424 str
= &str
[strlen(str
) + 1];
2426 if (status
== RPC_STATUS_ERROR
) {
2427 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2428 free_nfs_cb_data(data
);
2431 if (status
== RPC_STATUS_CANCEL
) {
2432 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2433 free_nfs_cb_data(data
);
2438 if (res
->status
!= NFS3_OK
) {
2439 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
));
2440 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2441 free_nfs_cb_data(data
);
2445 data
->cb(0, nfs
, NULL
, data
->private_data
);
2446 free_nfs_cb_data(data
);
2449 static int nfs_mkdir_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
2451 char *str
= data
->continue_data
;
2454 str
= &str
[strlen(str
) + 1];
2456 memset(&args
, 0, sizeof(MKDIR3args
));
2457 args
.where
.dir
= data
->fh
;
2458 args
.where
.name
= str
;
2459 args
.attributes
.mode
.set_it
= 1;
2460 args
.attributes
.mode
.set_mode3_u
.mode
= 0755;
2462 if (rpc_nfs3_mkdir_async(nfs
->rpc
, nfs_mkdir_cb
, &args
, data
) != 0) {
2463 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send MKDIR call for %s", data
->path
);
2464 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2465 free_nfs_cb_data(data
);
2471 int nfs_mkdir_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
2476 new_path
= strdup(path
);
2477 if (new_path
== NULL
) {
2478 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for path");
2482 ptr
= strrchr(new_path
, '/');
2485 rpc_set_error(nfs
->rpc
, "Invalid path %s", path
);
2490 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
2491 if (nfs_lookuppath_async(nfs
, new_path
, cb
, private_data
, nfs_mkdir_continue_internal
, new_path
, free
, 0) != 0) {
2492 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path component");
2506 static void nfs_rmdir_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2509 struct nfs_cb_data
*data
= private_data
;
2510 struct nfs_context
*nfs
= data
->nfs
;
2511 char *str
= data
->continue_data
;
2513 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
2515 str
= &str
[strlen(str
) + 1];
2517 if (status
== RPC_STATUS_ERROR
) {
2518 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2519 free_nfs_cb_data(data
);
2522 if (status
== RPC_STATUS_CANCEL
) {
2523 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2524 free_nfs_cb_data(data
);
2529 if (res
->status
!= NFS3_OK
) {
2530 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
));
2531 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2532 free_nfs_cb_data(data
);
2536 data
->cb(0, nfs
, NULL
, data
->private_data
);
2537 free_nfs_cb_data(data
);
2540 static int nfs_rmdir_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
2542 char *str
= data
->continue_data
;
2545 str
= &str
[strlen(str
) + 1];
2547 args
.object
.dir
= data
->fh
;
2548 args
.object
.name
= str
;
2549 if (rpc_nfs3_rmdir_async(nfs
->rpc
, nfs_rmdir_cb
, &args
, data
) != 0) {
2550 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send RMDIR call for %s", data
->path
);
2551 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2552 free_nfs_cb_data(data
);
2558 int nfs_rmdir_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
2563 new_path
= strdup(path
);
2564 if (new_path
== NULL
) {
2565 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for path");
2569 ptr
= strrchr(new_path
, '/');
2572 rpc_set_error(nfs
->rpc
, "Invalid path %s", path
);
2577 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
2578 if (nfs_lookuppath_async(nfs
, new_path
, cb
, private_data
, nfs_rmdir_continue_internal
, new_path
, free
, 0) != 0) {
2579 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
2592 struct create_cb_data
{
2598 static void free_create_cb_data(void *ptr
)
2600 struct create_cb_data
*data
= ptr
;
2606 static void nfs_create_2_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2609 struct nfs_cb_data
*data
= private_data
;
2610 struct nfs_context
*nfs
= data
->nfs
;
2611 struct nfsfh
*nfsfh
;
2612 struct create_cb_data
*cb_data
= data
->continue_data
;
2613 char *str
= cb_data
->path
;
2615 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
2617 if (status
== RPC_STATUS_ERROR
) {
2618 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2619 free_nfs_cb_data(data
);
2622 if (status
== RPC_STATUS_CANCEL
) {
2623 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2624 free_nfs_cb_data(data
);
2628 str
= &str
[strlen(str
) + 1];
2630 if (res
->status
!= NFS3_OK
) {
2631 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
));
2632 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2637 nfsfh
= malloc(sizeof(struct nfsfh
));
2638 if (nfsfh
== NULL
) {
2639 rpc_set_error(nfs
->rpc
, "NFS: Failed to allocate nfsfh structure");
2640 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2641 free_nfs_cb_data(data
);
2644 memset(nfsfh
, 0, sizeof(struct nfsfh
));
2646 if (cb_data
->flags
& O_SYNC
) {
2649 if (cb_data
->flags
& O_APPEND
) {
2650 nfsfh
->is_append
= 1;
2653 /* copy the filehandle */
2654 nfsfh
->fh
.data
.data_len
= res
->LOOKUP3res_u
.resok
.object
.data
.data_len
;
2655 nfsfh
->fh
.data
.data_val
= malloc(nfsfh
->fh
.data
.data_len
);
2656 memcpy(nfsfh
->fh
.data
.data_val
, res
->LOOKUP3res_u
.resok
.object
.data
.data_val
, nfsfh
->fh
.data
.data_len
);
2658 data
->cb(0, nfs
, nfsfh
, data
->private_data
);
2659 free_nfs_cb_data(data
);
2664 static void nfs_create_1_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2667 struct nfs_cb_data
*data
= private_data
;
2668 struct nfs_context
*nfs
= data
->nfs
;
2669 struct create_cb_data
*cb_data
= data
->continue_data
;
2670 char *str
= cb_data
->path
;
2673 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
2675 if (status
== RPC_STATUS_ERROR
) {
2676 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2677 free_nfs_cb_data(data
);
2680 if (status
== RPC_STATUS_CANCEL
) {
2681 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2682 free_nfs_cb_data(data
);
2686 str
= &str
[strlen(str
) + 1];
2688 if (res
->status
!= NFS3_OK
) {
2689 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
));
2690 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2691 free_nfs_cb_data(data
);
2695 memset(&args
, 0, sizeof(LOOKUP3args
));
2696 args
.what
.dir
= data
->fh
;
2697 args
.what
.name
= str
;
2699 if (rpc_nfs3_lookup_async(nfs
->rpc
, nfs_create_2_cb
, &args
, data
) != 0) {
2700 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send lookup call for %s/%s", data
->saved_path
, str
);
2701 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2702 free_nfs_cb_data(data
);
2708 static int nfs_create_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
2710 struct create_cb_data
*cb_data
= data
->continue_data
;
2711 char *str
= cb_data
->path
;
2714 str
= &str
[strlen(str
) + 1];
2716 memset(&args
, 0, sizeof(CREATE3args
));
2717 args
.where
.dir
= data
->fh
;
2718 args
.where
.name
= str
;
2719 args
.how
.mode
= (cb_data
->flags
& O_EXCL
) ? GUARDED
: UNCHECKED
;
2720 args
.how
.createhow3_u
.obj_attributes
.mode
.set_it
= 1;
2721 args
.how
.createhow3_u
.obj_attributes
.mode
.set_mode3_u
.mode
= cb_data
->mode
;
2723 if (rpc_nfs3_create_async(nfs
->rpc
, nfs_create_1_cb
, &args
, data
) != 0) {
2724 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send CREATE call for %s/%s", data
->path
, str
);
2725 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2726 free_nfs_cb_data(data
);
2732 int nfs_create_async(struct nfs_context
*nfs
, const char *path
, int flags
, int mode
, nfs_cb cb
, void *private_data
)
2734 struct create_cb_data
*cb_data
;
2737 cb_data
= malloc(sizeof(struct create_cb_data
));
2738 if (cb_data
== NULL
) {
2739 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for cb data");
2743 cb_data
->path
= strdup(path
);
2744 if (cb_data
->path
== NULL
) {
2745 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for path");
2750 ptr
= strrchr(cb_data
->path
, '/');
2752 rpc_set_error(nfs
->rpc
, "Invalid path %s", path
);
2753 free_create_cb_data(cb_data
);
2758 cb_data
->flags
= flags
;
2759 cb_data
->mode
= mode
;
2761 /* new_path now points to the parent directory, and beyond the nul terminator is the new directory to create */
2762 if (nfs_lookuppath_async(nfs
, cb_data
->path
, cb
, private_data
, nfs_create_continue_internal
, cb_data
, free_create_cb_data
, 0) != 0) {
2763 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
2770 int nfs_creat_async(struct nfs_context
*nfs
, const char *path
, int mode
, nfs_cb cb
, void *private_data
)
2772 return nfs_create_async(nfs
, path
, 0, mode
, cb
, private_data
);
2781 static void nfs_unlink_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2784 struct nfs_cb_data
*data
= private_data
;
2785 struct nfs_context
*nfs
= data
->nfs
;
2786 char *str
= data
->continue_data
;
2788 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
2790 str
= &str
[strlen(str
) + 1];
2792 if (status
== RPC_STATUS_ERROR
) {
2793 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2794 free_nfs_cb_data(data
);
2797 if (status
== RPC_STATUS_CANCEL
) {
2798 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2799 free_nfs_cb_data(data
);
2804 if (res
->status
!= NFS3_OK
) {
2805 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
));
2806 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2807 free_nfs_cb_data(data
);
2811 data
->cb(0, nfs
, NULL
, data
->private_data
);
2812 free_nfs_cb_data(data
);
2815 static int nfs_unlink_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
2817 char *str
= data
->continue_data
;
2818 struct REMOVE3args args
;
2820 str
= &str
[strlen(str
) + 1];
2822 args
.object
.dir
= data
->fh
;
2823 args
.object
.name
= str
;
2824 if (rpc_nfs3_remove_async(nfs
->rpc
, nfs_unlink_cb
, &args
, data
) != 0) {
2825 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send REMOVE call for %s", data
->path
);
2826 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2827 free_nfs_cb_data(data
);
2833 int nfs_unlink_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
2838 new_path
= strdup(path
);
2839 if (new_path
== NULL
) {
2840 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for path");
2844 ptr
= strrchr(new_path
, '/');
2847 rpc_set_error(nfs
->rpc
, "Invalid path %s", path
);
2852 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
2853 if (nfs_lookuppath_async(nfs
, new_path
, cb
, private_data
, nfs_unlink_continue_internal
, new_path
, free
, 0) != 0) {
2854 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
2865 struct mknod_cb_data
{
2872 static void free_mknod_cb_data(void *ptr
)
2874 struct mknod_cb_data
*data
= ptr
;
2880 static void nfs_mknod_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2883 struct nfs_cb_data
*data
= private_data
;
2884 struct nfs_context
*nfs
= data
->nfs
;
2885 char *str
= data
->continue_data
;
2887 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
2889 str
= &str
[strlen(str
) + 1];
2891 if (status
== RPC_STATUS_ERROR
) {
2892 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2893 free_nfs_cb_data(data
);
2896 if (status
== RPC_STATUS_CANCEL
) {
2897 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2898 free_nfs_cb_data(data
);
2903 if (res
->status
!= NFS3_OK
) {
2904 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
));
2905 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2906 free_nfs_cb_data(data
);
2910 data
->cb(0, nfs
, NULL
, data
->private_data
);
2911 free_nfs_cb_data(data
);
2914 static int nfs_mknod_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
2916 struct mknod_cb_data
*cb_data
= data
->continue_data
;
2917 char *str
= cb_data
->path
;
2920 str
= &str
[strlen(str
) + 1];
2922 args
.where
.dir
= data
->fh
;
2923 args
.where
.name
= str
;
2924 switch (cb_data
->mode
& S_IFMT
) {
2926 args
.what
.type
= NF3CHR
;
2927 args
.what
.mknoddata3_u
.chr_device
.dev_attributes
.mode
.set_it
= 1;
2928 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
);
2929 args
.what
.mknoddata3_u
.chr_device
.spec
.specdata1
= cb_data
->major
;
2930 args
.what
.mknoddata3_u
.chr_device
.spec
.specdata2
= cb_data
->minor
;
2933 args
.what
.type
= NF3BLK
;
2934 args
.what
.mknoddata3_u
.blk_device
.dev_attributes
.mode
.set_it
= 1;
2935 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
);
2936 args
.what
.mknoddata3_u
.blk_device
.spec
.specdata1
= cb_data
->major
;
2937 args
.what
.mknoddata3_u
.blk_device
.spec
.specdata2
= cb_data
->minor
;
2939 args
.what
.type
= NF3SOCK
;
2940 args
.what
.mknoddata3_u
.sock_attributes
.mode
.set_it
= 1;
2941 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
);
2944 args
.what
.type
= NF3FIFO
;
2945 args
.what
.mknoddata3_u
.pipe_attributes
.mode
.set_it
= 1;
2946 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
);
2949 rpc_set_error(nfs
->rpc
, "Invalid file type for NFS3/MKNOD call");
2950 data
->cb(-EINVAL
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2951 free_nfs_cb_data(data
);
2955 if (rpc_nfs3_mknod_async(nfs
->rpc
, nfs_mknod_cb
, &args
, data
) != 0) {
2956 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2957 free_nfs_cb_data(data
);
2963 int nfs_mknod_async(struct nfs_context
*nfs
, const char *path
, int mode
, int dev
, nfs_cb cb
, void *private_data
)
2966 struct mknod_cb_data
*cb_data
;
2968 cb_data
= malloc(sizeof(struct mknod_cb_data
));
2969 if (cb_data
== NULL
) {
2970 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for cb data");
2974 cb_data
->path
= strdup(path
);
2975 if (cb_data
->path
== NULL
) {
2976 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for path");
2981 ptr
= strrchr(cb_data
->path
, '/');
2983 rpc_set_error(nfs
->rpc
, "Invalid path %s", path
);
2984 free_mknod_cb_data(cb_data
);
2989 cb_data
->mode
= mode
;
2990 cb_data
->major
= major(dev
);
2991 cb_data
->minor
= minor(dev
);
2993 /* data->path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
2994 if (nfs_lookuppath_async(nfs
, cb_data
->path
, cb
, private_data
, nfs_mknod_continue_internal
, cb_data
, free_mknod_cb_data
, 0) != 0) {
2995 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
3006 /* ReadDirPlus Emulation Callback data */
3007 struct rdpe_cb_data
{
3010 struct nfs_cb_data
*data
;
3013 /* ReadDirPlus Emulation LOOKUP Callback data */
3014 struct rdpe_lookup_cb_data
{
3015 struct rdpe_cb_data
*rdpe_cb_data
;
3016 struct nfsdirent
*nfsdirent
;
3019 /* Workaround for servers lacking READDIRPLUS, use READDIR instead and a GETATTR-loop */
3020 static void nfs_opendir3_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
3022 LOOKUP3res
*res
= command_data
;
3023 struct rdpe_lookup_cb_data
*rdpe_lookup_cb_data
= private_data
;
3024 struct rdpe_cb_data
*rdpe_cb_data
= rdpe_lookup_cb_data
->rdpe_cb_data
;
3025 struct nfs_cb_data
*data
= rdpe_cb_data
->data
;
3026 struct nfsdir
*nfsdir
= data
->continue_data
;
3027 struct nfs_context
*nfs
= data
->nfs
;
3028 struct nfsdirent
*nfsdirent
= rdpe_lookup_cb_data
->nfsdirent
;
3030 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
3032 free(rdpe_lookup_cb_data
);
3034 rdpe_cb_data
->getattrcount
--;
3036 if (status
== RPC_STATUS_ERROR
) {
3037 rpc_set_error(nfs
->rpc
, "LOOKUP during READDIRPLUS emulation "
3038 "failed with RPC_STATUS_ERROR");
3039 rdpe_cb_data
->status
= RPC_STATUS_ERROR
;
3041 if (status
== RPC_STATUS_CANCEL
) {
3042 rpc_set_error(nfs
->rpc
, "LOOKUP during READDIRPLUS emulation "
3043 "failed with RPC_STATUS_CANCEL");
3044 rdpe_cb_data
->status
= RPC_STATUS_CANCEL
;
3046 if (status
== RPC_STATUS_SUCCESS
&& res
->status
== NFS3_OK
) {
3047 if (res
->LOOKUP3res_u
.resok
.obj_attributes
.attributes_follow
) {
3048 fattr3
*attributes
= &res
->LOOKUP3res_u
.resok
.obj_attributes
.post_op_attr_u
.attributes
;
3050 nfsdirent
->type
= attributes
->type
;
3051 nfsdirent
->mode
= attributes
->mode
;
3052 nfsdirent
->size
= attributes
->size
;
3054 nfsdirent
->atime
.tv_sec
= attributes
->atime
.seconds
;
3055 nfsdirent
->atime
.tv_usec
= attributes
->atime
.nseconds
/1000;
3056 nfsdirent
->atime_nsec
= attributes
->atime
.nseconds
;
3057 nfsdirent
->mtime
.tv_sec
= attributes
->mtime
.seconds
;
3058 nfsdirent
->mtime
.tv_usec
= attributes
->mtime
.nseconds
/1000;
3059 nfsdirent
->mtime_nsec
= attributes
->mtime
.nseconds
;
3060 nfsdirent
->ctime
.tv_sec
= attributes
->ctime
.seconds
;
3061 nfsdirent
->ctime
.tv_usec
= attributes
->ctime
.nseconds
/1000;
3062 nfsdirent
->ctime_nsec
= attributes
->ctime
.nseconds
;
3063 nfsdirent
->uid
= attributes
->uid
;
3064 nfsdirent
->gid
= attributes
->gid
;
3065 nfsdirent
->nlink
= attributes
->nlink
;
3066 nfsdirent
->dev
= attributes
->fsid
;
3067 nfsdirent
->rdev
= specdata3_to_rdev(&attributes
->rdev
);
3068 nfsdirent
->blksize
= NFS_BLKSIZE
;
3069 nfsdirent
->blocks
= (attributes
->used
+ 512 - 1) / 512;
3070 nfsdirent
->used
= attributes
->used
;
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
->atime_nsec
= entry
->name_attributes
.post_op_attr_u
.attributes
.atime
.nseconds
;
3306 nfsdirent
->mtime
.tv_sec
= entry
->name_attributes
.post_op_attr_u
.attributes
.mtime
.seconds
;
3307 nfsdirent
->mtime
.tv_usec
= entry
->name_attributes
.post_op_attr_u
.attributes
.mtime
.nseconds
/1000;
3308 nfsdirent
->mtime_nsec
= entry
->name_attributes
.post_op_attr_u
.attributes
.mtime
.nseconds
;
3309 nfsdirent
->ctime
.tv_sec
= entry
->name_attributes
.post_op_attr_u
.attributes
.ctime
.seconds
;
3310 nfsdirent
->ctime
.tv_usec
= entry
->name_attributes
.post_op_attr_u
.attributes
.ctime
.nseconds
/1000;
3311 nfsdirent
->ctime_nsec
= entry
->name_attributes
.post_op_attr_u
.attributes
.ctime
.nseconds
;
3312 nfsdirent
->uid
= entry
->name_attributes
.post_op_attr_u
.attributes
.uid
;
3313 nfsdirent
->gid
= entry
->name_attributes
.post_op_attr_u
.attributes
.gid
;
3314 nfsdirent
->nlink
= entry
->name_attributes
.post_op_attr_u
.attributes
.nlink
;
3315 nfsdirent
->dev
= entry
->name_attributes
.post_op_attr_u
.attributes
.fsid
;
3316 nfsdirent
->rdev
= specdata3_to_rdev(&entry
->name_attributes
.post_op_attr_u
.attributes
.rdev
);
3317 nfsdirent
->blksize
= NFS_BLKSIZE
;
3318 nfsdirent
->blocks
= (entry
->name_attributes
.post_op_attr_u
.attributes
.used
+ 512 - 1) / 512;
3319 nfsdirent
->used
= entry
->name_attributes
.post_op_attr_u
.attributes
.used
;
3322 nfsdirent
->next
= nfsdir
->entries
;
3323 nfsdir
->entries
= nfsdirent
;
3325 cookie
= entry
->cookie
;
3326 entry
= entry
->nextentry
;
3329 if (res
->READDIRPLUS3res_u
.resok
.reply
.eof
== 0) {
3330 READDIRPLUS3args args
;
3332 args
.dir
= data
->fh
;
3333 args
.cookie
= cookie
;
3334 memcpy(&args
.cookieverf
, res
->READDIRPLUS3res_u
.resok
.cookieverf
, sizeof(cookieverf3
));
3335 args
.dircount
= 8192;
3336 args
.maxcount
= 8192;
3338 if (rpc_nfs3_readdirplus_async(nfs
->rpc
, nfs_opendir_cb
, &args
, data
) != 0) {
3339 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READDIRPLUS call for %s", data
->path
);
3340 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3341 nfs_free_nfsdir(nfsdir
);
3342 data
->continue_data
= NULL
;
3343 free_nfs_cb_data(data
);
3349 if (res
->READDIRPLUS3res_u
.resok
.dir_attributes
.attributes_follow
)
3350 nfsdir
->attr
= res
->READDIRPLUS3res_u
.resok
.dir_attributes
.post_op_attr_u
.attributes
;
3352 /* steal the dirhandle */
3353 data
->continue_data
= NULL
;
3354 nfsdir
->current
= nfsdir
->entries
;
3356 data
->cb(0, nfs
, nfsdir
, data
->private_data
);
3357 free_nfs_cb_data(data
);
3360 static int nfs_opendir_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
3362 READDIRPLUS3args args
;
3363 struct nfsdir
*nfsdir
= data
->continue_data
;;
3364 struct nfsdir
*cached
;
3366 cached
= nfs_dircache_find(nfs
, &data
->fh
);
3368 if (attr
&& attr
->mtime
.seconds
== cached
->attr
.mtime
.seconds
) {
3369 cached
->current
= cached
->entries
;
3370 data
->cb(0, nfs
, cached
, data
->private_data
);
3371 free_nfs_cb_data(data
);
3374 /* cache must be stale */
3375 nfs_free_nfsdir(cached
);
3379 nfsdir
->fh
.data
.data_len
= data
->fh
.data
.data_len
;
3380 nfsdir
->fh
.data
.data_val
= malloc(nfsdir
->fh
.data
.data_len
);
3381 if (nfsdir
->fh
.data
.data_val
== NULL
) {
3382 rpc_set_error(nfs
->rpc
, "OOM when allocating fh for nfsdir");
3383 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3384 free_nfs_cb_data(data
);
3387 memcpy(nfsdir
->fh
.data
.data_val
, data
->fh
.data
.data_val
, data
->fh
.data
.data_len
);
3389 args
.dir
= data
->fh
;
3391 memset(&args
.cookieverf
, 0, sizeof(cookieverf3
));
3392 args
.dircount
= 8192;
3393 args
.maxcount
= 8192;
3394 if (rpc_nfs3_readdirplus_async(nfs
->rpc
, nfs_opendir_cb
, &args
, data
) != 0) {
3395 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READDIRPLUS call for %s", data
->path
);
3396 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3397 free_nfs_cb_data(data
);
3403 int nfs_opendir_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
3405 struct nfsdir
*nfsdir
;
3407 nfsdir
= malloc(sizeof(struct nfsdir
));
3408 if (nfsdir
== NULL
) {
3409 rpc_set_error(nfs
->rpc
, "failed to allocate buffer for nfsdir");
3412 memset(nfsdir
, 0, sizeof(struct nfsdir
));
3414 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_opendir_continue_internal
, nfsdir
, free
, 0) != 0) {
3415 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
3423 struct nfsdirent
*nfs_readdir(struct nfs_context
*nfs _U_
, struct nfsdir
*nfsdir
)
3425 struct nfsdirent
*nfsdirent
= nfsdir
->current
;
3427 if (nfsdir
->current
!= NULL
) {
3428 nfsdir
->current
= nfsdir
->current
->next
;
3437 void nfs_closedir(struct nfs_context
*nfs
, struct nfsdir
*nfsdir
)
3439 nfs_dircache_add(nfs
, nfsdir
);
3446 void nfs_getcwd(struct nfs_context
*nfs
, const char **cwd
)
3457 struct lseek_cb_data
{
3458 struct nfs_context
*nfs
;
3459 struct nfsfh
*nfsfh
;
3465 static void nfs_lseek_1_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
3468 struct lseek_cb_data
*data
= private_data
;
3469 struct nfs_context
*nfs
= data
->nfs
;
3472 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
3474 if (status
== RPC_STATUS_ERROR
) {
3475 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
3479 if (status
== RPC_STATUS_CANCEL
) {
3480 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
3486 if (res
->status
!= NFS3_OK
) {
3487 rpc_set_error(nfs
->rpc
, "NFS: GETATTR failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
3488 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3493 size
= res
->GETATTR3res_u
.resok
.obj_attributes
.size
;
3495 if (data
->offset
< 0 &&
3496 (uint64_t)(-data
->offset
) > size
) {
3497 data
->cb(-EINVAL
, nfs
, &data
->nfsfh
->offset
, data
->private_data
);
3499 data
->nfsfh
->offset
= data
->offset
+ size
;
3500 data
->cb(0, nfs
, &data
->nfsfh
->offset
, data
->private_data
);
3506 int nfs_lseek_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, int64_t offset
, int whence
, nfs_cb cb
, void *private_data
)
3508 struct lseek_cb_data
*data
;
3509 struct GETATTR3args args
;
3511 if (whence
== SEEK_SET
) {
3513 cb(-EINVAL
, nfs
, &nfsfh
->offset
, private_data
);
3515 nfsfh
->offset
= offset
;
3516 cb(0, nfs
, &nfsfh
->offset
, private_data
);
3520 if (whence
== SEEK_CUR
) {
3522 nfsfh
->offset
< (uint64_t)(-offset
)) {
3523 cb(-EINVAL
, nfs
, &nfsfh
->offset
, private_data
);
3525 nfsfh
->offset
+= offset
;
3526 cb(0, nfs
, &nfsfh
->offset
, private_data
);
3531 data
= malloc(sizeof(struct lseek_cb_data
));
3533 rpc_set_error(nfs
->rpc
, "Out Of Memory: Failed to malloc lseek cb data");
3538 data
->nfsfh
= nfsfh
;
3539 data
->offset
= offset
;
3541 data
->private_data
= private_data
;
3543 memset(&args
, 0, sizeof(GETATTR3args
));
3544 args
.object
= nfsfh
->fh
;
3546 if (rpc_nfs3_getattr_async(nfs
->rpc
, nfs_lseek_1_cb
, &args
, data
) != 0) {
3547 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send LSEEK GETATTR call");
3560 static void nfs_statvfs_1_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
3563 struct nfs_cb_data
*data
= private_data
;
3564 struct nfs_context
*nfs
= data
->nfs
;
3565 struct statvfs svfs
;
3567 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
3569 if (status
== RPC_STATUS_ERROR
) {
3570 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
3571 free_nfs_cb_data(data
);
3574 if (status
== RPC_STATUS_CANCEL
) {
3575 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
3576 free_nfs_cb_data(data
);
3581 if (res
->status
!= NFS3_OK
) {
3582 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
));
3583 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3584 free_nfs_cb_data(data
);
3588 svfs
.f_bsize
= NFS_BLKSIZE
;
3589 svfs
.f_frsize
= NFS_BLKSIZE
;
3590 svfs
.f_blocks
= res
->FSSTAT3res_u
.resok
.tbytes
/NFS_BLKSIZE
;
3591 svfs
.f_bfree
= res
->FSSTAT3res_u
.resok
.fbytes
/NFS_BLKSIZE
;
3592 svfs
.f_bavail
= res
->FSSTAT3res_u
.resok
.abytes
/NFS_BLKSIZE
;
3593 svfs
.f_files
= res
->FSSTAT3res_u
.resok
.tfiles
;
3594 svfs
.f_ffree
= res
->FSSTAT3res_u
.resok
.ffiles
;
3595 #if !defined(ANDROID)
3596 svfs
.f_favail
= res
->FSSTAT3res_u
.resok
.afiles
;
3599 svfs
.f_namemax
= 256;
3602 data
->cb(0, nfs
, &svfs
, data
->private_data
);
3603 free_nfs_cb_data(data
);
3606 static int nfs_statvfs_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
3610 args
.fsroot
= data
->fh
;
3611 if (rpc_nfs3_fsstat_async(nfs
->rpc
, nfs_statvfs_1_cb
, &args
, data
) != 0) {
3612 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send FSSTAT call for %s", data
->path
);
3613 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3614 free_nfs_cb_data(data
);
3620 int nfs_statvfs_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
3622 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_statvfs_continue_internal
, NULL
, NULL
, 0) != 0) {
3623 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
3636 static void nfs_readlink_1_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
3639 struct nfs_cb_data
*data
= private_data
;
3640 struct nfs_context
*nfs
= data
->nfs
;
3642 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
3644 if (status
== RPC_STATUS_ERROR
) {
3645 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
3646 free_nfs_cb_data(data
);
3649 if (status
== RPC_STATUS_CANCEL
) {
3650 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
3651 free_nfs_cb_data(data
);
3656 if (res
->status
!= NFS3_OK
) {
3657 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
));
3658 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3659 free_nfs_cb_data(data
);
3664 data
->cb(0, nfs
, res
->READLINK3res_u
.resok
.data
, data
->private_data
);
3665 free_nfs_cb_data(data
);
3668 static int nfs_readlink_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
3672 args
.symlink
= data
->fh
;
3674 if (rpc_nfs3_readlink_async(nfs
->rpc
, nfs_readlink_1_cb
, &args
, data
) != 0) {
3675 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READLINK call for %s", data
->path
);
3676 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3677 free_nfs_cb_data(data
);
3683 int nfs_readlink_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
3685 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_readlink_continue_internal
, NULL
, NULL
, 0) != 0) {
3686 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
3699 static void nfs_chmod_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
3701 struct nfs_cb_data
*data
= private_data
;
3702 struct nfs_context
*nfs
= data
->nfs
;
3705 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
3707 if (status
== RPC_STATUS_ERROR
) {
3708 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
3709 free_nfs_cb_data(data
);
3712 if (status
== RPC_STATUS_CANCEL
) {
3713 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
3714 free_nfs_cb_data(data
);
3719 if (res
->status
!= NFS3_OK
) {
3720 rpc_set_error(nfs
->rpc
, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
3721 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3722 free_nfs_cb_data(data
);
3726 data
->cb(0, nfs
, NULL
, data
->private_data
);
3727 free_nfs_cb_data(data
);
3730 static int nfs_chmod_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
3734 memset(&args
, 0, sizeof(SETATTR3args
));
3735 args
.object
= data
->fh
;
3736 args
.new_attributes
.mode
.set_it
= 1;
3737 args
.new_attributes
.mode
.set_mode3_u
.mode
= data
->continue_int
;
3739 if (rpc_nfs3_setattr_async(nfs
->rpc
, nfs_chmod_cb
, &args
, data
) != 0) {
3740 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SETATTR call for %s", data
->path
);
3741 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3742 free_nfs_cb_data(data
);
3749 int nfs_chmod_async(struct nfs_context
*nfs
, const char *path
, int mode
, nfs_cb cb
, void *private_data
)
3751 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_chmod_continue_internal
, NULL
, NULL
, mode
) != 0) {
3752 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
3762 int nfs_fchmod_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, int mode
, nfs_cb cb
, void *private_data
)
3764 struct nfs_cb_data
*data
;
3766 data
= malloc(sizeof(struct nfs_cb_data
));
3768 rpc_set_error(nfs
->rpc
, "out of memory. failed to allocate memory for nfs mount data");
3771 memset(data
, 0, sizeof(struct nfs_cb_data
));
3774 data
->private_data
= private_data
;
3775 data
->continue_int
= mode
;
3776 data
->fh
.data
.data_len
= nfsfh
->fh
.data
.data_len
;
3777 data
->fh
.data
.data_val
= malloc(data
->fh
.data
.data_len
);
3778 if (data
->fh
.data
.data_val
== NULL
) {
3779 rpc_set_error(nfs
->rpc
, "Out of memory: Failed to allocate fh");
3780 free_nfs_cb_data(data
);
3783 memcpy(data
->fh
.data
.data_val
, nfsfh
->fh
.data
.data_val
, data
->fh
.data
.data_len
);
3785 if (nfs_chmod_continue_internal(nfs
, NULL
, data
) != 0) {
3797 static void nfs_chown_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
3799 struct nfs_cb_data
*data
= private_data
;
3800 struct nfs_context
*nfs
= data
->nfs
;
3803 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
3805 if (status
== RPC_STATUS_ERROR
) {
3806 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
3807 free_nfs_cb_data(data
);
3810 if (status
== RPC_STATUS_CANCEL
) {
3811 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
3812 free_nfs_cb_data(data
);
3817 if (res
->status
!= NFS3_OK
) {
3818 rpc_set_error(nfs
->rpc
, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
3819 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3820 free_nfs_cb_data(data
);
3824 data
->cb(0, nfs
, NULL
, data
->private_data
);
3825 free_nfs_cb_data(data
);
3828 struct nfs_chown_data
{
3833 static int nfs_chown_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
3836 struct nfs_chown_data
*chown_data
= data
->continue_data
;
3838 memset(&args
, 0, sizeof(SETATTR3args
));
3839 args
.object
= data
->fh
;
3840 if (chown_data
->uid
!= (uid_t
)-1) {
3841 args
.new_attributes
.uid
.set_it
= 1;
3842 args
.new_attributes
.uid
.set_uid3_u
.uid
= chown_data
->uid
;
3844 if (chown_data
->gid
!= (gid_t
)-1) {
3845 args
.new_attributes
.gid
.set_it
= 1;
3846 args
.new_attributes
.gid
.set_gid3_u
.gid
= chown_data
->gid
;
3849 if (rpc_nfs3_setattr_async(nfs
->rpc
, nfs_chown_cb
, &args
, data
) != 0) {
3850 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SETATTR call for %s", data
->path
);
3851 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3852 free_nfs_cb_data(data
);
3859 int nfs_chown_async(struct nfs_context
*nfs
, const char *path
, int uid
, int gid
, nfs_cb cb
, void *private_data
)
3861 struct nfs_chown_data
*chown_data
;
3863 chown_data
= malloc(sizeof(struct nfs_chown_data
));
3864 if (chown_data
== NULL
) {
3865 rpc_set_error(nfs
->rpc
, "Failed to allocate memory for chown data structure");
3869 chown_data
->uid
= uid
;
3870 chown_data
->gid
= gid
;
3872 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_chown_continue_internal
, chown_data
, free
, 0) != 0) {
3873 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
3884 int nfs_fchown_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, int uid
, int gid
, nfs_cb cb
, void *private_data
)
3886 struct nfs_cb_data
*data
;
3887 struct nfs_chown_data
*chown_data
;
3889 chown_data
= malloc(sizeof(struct nfs_chown_data
));
3890 if (chown_data
== NULL
) {
3891 rpc_set_error(nfs
->rpc
, "Failed to allocate memory for chown data structure");
3895 chown_data
->uid
= uid
;
3896 chown_data
->gid
= gid
;
3898 data
= malloc(sizeof(struct nfs_cb_data
));
3900 rpc_set_error(nfs
->rpc
, "out of memory. failed to allocate memory for fchown data");
3904 memset(data
, 0, sizeof(struct nfs_cb_data
));
3907 data
->private_data
= private_data
;
3908 data
->continue_data
= chown_data
;
3909 data
->free_continue_data
= free
;
3910 data
->fh
.data
.data_len
= nfsfh
->fh
.data
.data_len
;
3911 data
->fh
.data
.data_val
= malloc(data
->fh
.data
.data_len
);
3912 if (data
->fh
.data
.data_val
== NULL
) {
3913 rpc_set_error(nfs
->rpc
, "Out of memory: Failed to allocate fh");
3914 free_nfs_cb_data(data
);
3917 memcpy(data
->fh
.data
.data_val
, nfsfh
->fh
.data
.data_val
, data
->fh
.data
.data_len
);
3919 if (nfs_chown_continue_internal(nfs
, NULL
, data
) != 0) {
3933 static void nfs_utimes_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
3935 struct nfs_cb_data
*data
= private_data
;
3936 struct nfs_context
*nfs
= data
->nfs
;
3939 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
3941 if (status
== RPC_STATUS_ERROR
) {
3942 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
3943 free_nfs_cb_data(data
);
3946 if (status
== RPC_STATUS_CANCEL
) {
3947 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
3948 free_nfs_cb_data(data
);
3953 if (res
->status
!= NFS3_OK
) {
3954 rpc_set_error(nfs
->rpc
, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
3955 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3956 free_nfs_cb_data(data
);
3960 data
->cb(0, nfs
, NULL
, data
->private_data
);
3961 free_nfs_cb_data(data
);
3964 static int nfs_utimes_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
3967 struct timeval
*utimes_data
= data
->continue_data
;
3969 memset(&args
, 0, sizeof(SETATTR3args
));
3970 args
.object
= data
->fh
;
3971 if (utimes_data
!= NULL
) {
3972 args
.new_attributes
.atime
.set_it
= SET_TO_CLIENT_TIME
;
3973 args
.new_attributes
.atime
.set_atime_u
.atime
.seconds
= utimes_data
[0].tv_sec
;
3974 args
.new_attributes
.atime
.set_atime_u
.atime
.nseconds
= utimes_data
[0].tv_usec
* 1000;
3975 args
.new_attributes
.mtime
.set_it
= SET_TO_CLIENT_TIME
;
3976 args
.new_attributes
.mtime
.set_mtime_u
.mtime
.seconds
= utimes_data
[1].tv_sec
;
3977 args
.new_attributes
.mtime
.set_mtime_u
.mtime
.nseconds
= utimes_data
[1].tv_usec
* 1000;
3979 args
.new_attributes
.atime
.set_it
= SET_TO_SERVER_TIME
;
3980 args
.new_attributes
.mtime
.set_it
= SET_TO_SERVER_TIME
;
3983 if (rpc_nfs3_setattr_async(nfs
->rpc
, nfs_utimes_cb
, &args
, data
) != 0) {
3984 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SETATTR call for %s", data
->path
);
3985 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3986 free_nfs_cb_data(data
);
3993 int nfs_utimes_async(struct nfs_context
*nfs
, const char *path
, struct timeval
*times
, nfs_cb cb
, void *private_data
)
3995 struct timeval
*new_times
= NULL
;
3997 if (times
!= NULL
) {
3998 new_times
= malloc(sizeof(struct timeval
)*2);
3999 if (new_times
== NULL
) {
4000 rpc_set_error(nfs
->rpc
, "Failed to allocate memory for timeval structure");
4004 memcpy(new_times
, times
, sizeof(struct timeval
)*2);
4007 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_utimes_continue_internal
, new_times
, free
, 0) != 0) {
4008 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
4018 int nfs_utime_async(struct nfs_context
*nfs
, const char *path
, struct utimbuf
*times
, nfs_cb cb
, void *private_data
)
4020 struct timeval
*new_times
= NULL
;
4022 if (times
!= NULL
) {
4023 new_times
= malloc(sizeof(struct timeval
)*2);
4024 if (new_times
== NULL
) {
4025 rpc_set_error(nfs
->rpc
, "Failed to allocate memory for timeval structure");
4029 new_times
[0].tv_sec
= times
->actime
;
4030 new_times
[0].tv_usec
= 0;
4031 new_times
[1].tv_sec
= times
->modtime
;
4032 new_times
[1].tv_usec
= 0;
4035 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_utimes_continue_internal
, new_times
, free
, 0) != 0) {
4036 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
4047 static void nfs_access_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
4050 struct nfs_cb_data
*data
= private_data
;
4051 struct nfs_context
*nfs
= data
->nfs
;
4052 unsigned int nfsmode
= 0;
4054 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
4056 if (status
== RPC_STATUS_ERROR
) {
4057 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
4058 free_nfs_cb_data(data
);
4061 if (status
== RPC_STATUS_CANCEL
) {
4062 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
4063 free_nfs_cb_data(data
);
4068 if (res
->status
!= NFS3_OK
) {
4069 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
));
4070 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4071 free_nfs_cb_data(data
);
4075 if (data
->continue_int
& R_OK
) {
4076 nfsmode
|= ACCESS3_READ
;
4078 if (data
->continue_int
& W_OK
) {
4079 nfsmode
|= ACCESS3_MODIFY
;
4081 if (data
->continue_int
& X_OK
) {
4082 nfsmode
|= ACCESS3_EXECUTE
;
4085 if (res
->ACCESS3res_u
.resok
.access
!= nfsmode
) {
4086 rpc_set_error(nfs
->rpc
, "NFS: ACCESS denied. Required access %c%c%c. Allowed access %c%c%c",
4087 nfsmode
&ACCESS3_READ
?'r':'-',
4088 nfsmode
&ACCESS3_MODIFY
?'w':'-',
4089 nfsmode
&ACCESS3_EXECUTE
?'x':'-',
4090 res
->ACCESS3res_u
.resok
.access
&ACCESS3_READ
?'r':'-',
4091 res
->ACCESS3res_u
.resok
.access
&ACCESS3_MODIFY
?'w':'-',
4092 res
->ACCESS3res_u
.resok
.access
&ACCESS3_EXECUTE
?'x':'-');
4093 data
->cb(-EACCES
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4094 free_nfs_cb_data(data
);
4098 data
->cb(0, nfs
, NULL
, data
->private_data
);
4099 free_nfs_cb_data(data
);
4102 static int nfs_access_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
4107 if (data
->continue_int
& R_OK
) {
4108 nfsmode
|= ACCESS3_READ
;
4110 if (data
->continue_int
& W_OK
) {
4111 nfsmode
|= ACCESS3_MODIFY
;
4113 if (data
->continue_int
& X_OK
) {
4114 nfsmode
|= ACCESS3_EXECUTE
;
4117 memset(&args
, 0, sizeof(ACCESS3args
));
4118 args
.object
= data
->fh
;
4119 args
.access
= nfsmode
;
4121 if (rpc_nfs3_access_async(nfs
->rpc
, nfs_access_cb
, &args
, data
) != 0) {
4122 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send OPEN ACCESS call for %s", data
->path
);
4123 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4124 free_nfs_cb_data(data
);
4130 int nfs_access_async(struct nfs_context
*nfs
, const char *path
, int mode
, nfs_cb cb
, void *private_data
)
4132 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_access_continue_internal
, NULL
, NULL
, mode
) != 0) {
4133 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
4145 struct nfs_symlink_data
{
4147 char *newpathparent
;
4148 char *newpathobject
;
4151 static void free_nfs_symlink_data(void *mem
)
4153 struct nfs_symlink_data
*data
= mem
;
4155 if (data
->oldpath
!= NULL
) {
4156 free(data
->oldpath
);
4158 if (data
->newpathparent
!= NULL
) {
4159 free(data
->newpathparent
);
4161 if (data
->newpathobject
!= NULL
) {
4162 free(data
->newpathobject
);
4167 static void nfs_symlink_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
4170 struct nfs_cb_data
*data
= private_data
;
4171 struct nfs_context
*nfs
= data
->nfs
;
4172 struct nfs_symlink_data
*symlink_data
= data
->continue_data
;
4174 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
4176 if (status
== RPC_STATUS_ERROR
) {
4177 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
4178 free_nfs_cb_data(data
);
4181 if (status
== RPC_STATUS_CANCEL
) {
4182 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
4183 free_nfs_cb_data(data
);
4188 if (res
->status
!= NFS3_OK
) {
4189 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
));
4190 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4191 free_nfs_cb_data(data
);
4195 data
->cb(0, nfs
, NULL
, data
->private_data
);
4196 free_nfs_cb_data(data
);
4199 static int nfs_symlink_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
4201 struct nfs_symlink_data
*symlink_data
= data
->continue_data
;
4204 memset(&args
, 0, sizeof(SYMLINK3args
));
4205 args
.where
.dir
= data
->fh
;
4206 args
.where
.name
= symlink_data
->newpathobject
;
4207 args
.symlink
.symlink_attributes
.mode
.set_it
= 1;
4208 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
;
4209 args
.symlink
.symlink_data
= symlink_data
->oldpath
;
4211 if (rpc_nfs3_symlink_async(nfs
->rpc
, nfs_symlink_cb
, &args
, data
) != 0) {
4212 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SYMLINK call for %s", data
->path
);
4213 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4214 free_nfs_cb_data(data
);
4220 int nfs_symlink_async(struct nfs_context
*nfs
, const char *oldpath
, const char *newpath
, nfs_cb cb
, void *private_data
)
4223 struct nfs_symlink_data
*symlink_data
;
4225 symlink_data
= malloc(sizeof(struct nfs_symlink_data
));
4226 if (symlink_data
== NULL
) {
4227 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for symlink data");
4230 memset(symlink_data
, 0, sizeof(struct nfs_symlink_data
));
4232 symlink_data
->oldpath
= strdup(oldpath
);
4233 if (symlink_data
->oldpath
== NULL
) {
4234 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for oldpath");
4235 free_nfs_symlink_data(symlink_data
);
4239 symlink_data
->newpathparent
= strdup(newpath
);
4240 if (symlink_data
->newpathparent
== NULL
) {
4241 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for new path");
4242 free_nfs_symlink_data(symlink_data
);
4246 ptr
= strrchr(symlink_data
->newpathparent
, '/');
4248 rpc_set_error(nfs
->rpc
, "Invalid path %s", oldpath
);
4249 free_nfs_symlink_data(symlink_data
);
4255 symlink_data
->newpathobject
= strdup(ptr
);
4256 if (symlink_data
->newpathobject
== NULL
) {
4257 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for new path");
4258 free_nfs_symlink_data(symlink_data
);
4262 if (nfs_lookuppath_async(nfs
, symlink_data
->newpathparent
, cb
, private_data
, nfs_symlink_continue_internal
, symlink_data
, free_nfs_symlink_data
, 0) != 0) {
4263 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
4275 struct nfs_rename_data
{
4278 struct nfs_fh3 olddir
;
4281 struct nfs_fh3 newdir
;
4284 static void free_nfs_rename_data(void *mem
)
4286 struct nfs_rename_data
*data
= mem
;
4288 if (data
->oldpath
!= NULL
) {
4289 free(data
->oldpath
);
4291 if (data
->olddir
.data
.data_val
!= NULL
) {
4292 free(data
->olddir
.data
.data_val
);
4294 if (data
->newpath
!= NULL
) {
4295 free(data
->newpath
);
4297 if (data
->newdir
.data
.data_val
!= NULL
) {
4298 free(data
->newdir
.data
.data_val
);
4303 static void nfs_rename_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
4306 struct nfs_cb_data
*data
= private_data
;
4307 struct nfs_context
*nfs
= data
->nfs
;
4308 struct nfs_rename_data
*rename_data
= data
->continue_data
;
4310 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
4312 if (status
== RPC_STATUS_ERROR
) {
4313 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
4314 free_nfs_cb_data(data
);
4317 if (status
== RPC_STATUS_CANCEL
) {
4318 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
4319 free_nfs_cb_data(data
);
4324 if (res
->status
!= NFS3_OK
) {
4325 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
));
4326 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4327 free_nfs_cb_data(data
);
4331 data
->cb(0, nfs
, NULL
, data
->private_data
);
4332 free_nfs_cb_data(data
);
4335 static int nfs_rename_continue_2_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
4337 struct nfs_rename_data
*rename_data
= data
->continue_data
;
4340 /* steal the filehandle */
4341 rename_data
->newdir
= data
->fh
;
4342 data
->fh
.data
.data_val
= NULL
;
4344 args
.from
.dir
= rename_data
->olddir
;
4345 args
.from
.name
= rename_data
->oldobject
;
4346 args
.to
.dir
= rename_data
->newdir
;
4347 args
.to
.name
= rename_data
->newobject
;
4348 if (rpc_nfs3_rename_async(nfs
->rpc
, nfs_rename_cb
, &args
, data
) != 0) {
4349 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send RENAME call for %s", data
->path
);
4350 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4351 free_nfs_cb_data(data
);
4358 static int nfs_rename_continue_1_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
4360 struct nfs_rename_data
*rename_data
= data
->continue_data
;
4361 char* newpath
= strdup(rename_data
->newpath
);
4363 rpc_set_error(nfs
->rpc
, "Out of memory. Could not allocate memory to store target path for rename");
4364 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4365 free_nfs_cb_data(data
);
4369 /* steal the filehandle */
4370 rename_data
->olddir
= data
->fh
;
4371 data
->fh
.data
.data_val
= NULL
;
4373 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) {
4374 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send LOOKUP call for %s", newpath
);
4375 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4376 free_nfs_cb_data(data
);
4380 data
->continue_data
= NULL
;
4381 free_nfs_cb_data(data
);
4388 int nfs_rename_async(struct nfs_context
*nfs
, const char *oldpath
, const char *newpath
, nfs_cb cb
, void *private_data
)
4391 struct nfs_rename_data
*rename_data
;
4393 rename_data
= malloc(sizeof(struct nfs_rename_data
));
4394 if (rename_data
== NULL
) {
4395 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for rename data");
4398 memset(rename_data
, 0, sizeof(struct nfs_rename_data
));
4400 rename_data
->oldpath
= strdup(oldpath
);
4401 if (rename_data
->oldpath
== NULL
) {
4402 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for oldpath");
4403 free_nfs_rename_data(rename_data
);
4406 ptr
= strrchr(rename_data
->oldpath
, '/');
4408 rpc_set_error(nfs
->rpc
, "Invalid path %s", oldpath
);
4409 free_nfs_rename_data(rename_data
);
4414 rename_data
->oldobject
= ptr
;
4417 rename_data
->newpath
= strdup(newpath
);
4418 if (rename_data
->newpath
== NULL
) {
4419 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for newpath");
4420 free_nfs_rename_data(rename_data
);
4423 ptr
= strrchr(rename_data
->newpath
, '/');
4425 rpc_set_error(nfs
->rpc
, "Invalid path %s", newpath
);
4426 free_nfs_rename_data(rename_data
);
4431 rename_data
->newobject
= ptr
;
4434 if (nfs_lookuppath_async(nfs
, rename_data
->oldpath
, cb
, private_data
, nfs_rename_continue_1_internal
, rename_data
, free_nfs_rename_data
, 0) != 0) {
4435 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
4446 struct nfs_link_data
{
4448 struct nfs_fh3 oldfh
;
4451 struct nfs_fh3 newdir
;
4454 static void free_nfs_link_data(void *mem
)
4456 struct nfs_link_data
*data
= mem
;
4458 if (data
->oldpath
!= NULL
) {
4459 free(data
->oldpath
);
4461 if (data
->oldfh
.data
.data_val
!= NULL
) {
4462 free(data
->oldfh
.data
.data_val
);
4464 if (data
->newpath
!= NULL
) {
4465 free(data
->newpath
);
4467 if (data
->newdir
.data
.data_val
!= NULL
) {
4468 free(data
->newdir
.data
.data_val
);
4473 static void nfs_link_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
4476 struct nfs_cb_data
*data
= private_data
;
4477 struct nfs_context
*nfs
= data
->nfs
;
4478 struct nfs_link_data
*link_data
= data
->continue_data
;
4480 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
4482 if (status
== RPC_STATUS_ERROR
) {
4483 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
4484 free_nfs_cb_data(data
);
4487 if (status
== RPC_STATUS_CANCEL
) {
4488 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
4489 free_nfs_cb_data(data
);
4494 if (res
->status
!= NFS3_OK
) {
4495 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
));
4496 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4497 free_nfs_cb_data(data
);
4501 data
->cb(0, nfs
, NULL
, data
->private_data
);
4502 free_nfs_cb_data(data
);
4505 static int nfs_link_continue_2_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
4507 struct nfs_link_data
*link_data
= data
->continue_data
;
4510 /* steal the filehandle */
4511 link_data
->newdir
= data
->fh
;
4512 data
->fh
.data
.data_val
= NULL
;
4514 memset(&args
, 0, sizeof(LINK3args
));
4515 args
.file
= link_data
->oldfh
;
4516 args
.link
.dir
= link_data
->newdir
;
4517 args
.link
.name
= link_data
->newobject
;
4518 if (rpc_nfs3_link_async(nfs
->rpc
, nfs_link_cb
, &args
, data
) != 0) {
4519 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send LINK call for %s", data
->path
);
4520 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4521 free_nfs_cb_data(data
);
4528 static int nfs_link_continue_1_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
4530 struct nfs_link_data
*link_data
= data
->continue_data
;
4532 /* steal the filehandle */
4533 link_data
->oldfh
= data
->fh
;
4534 data
->fh
.data
.data_val
= NULL
;
4536 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) {
4537 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send LOOKUP call for %s", link_data
->newpath
);
4538 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4539 free_nfs_cb_data(data
);
4542 data
->continue_data
= NULL
;
4543 free_nfs_cb_data(data
);
4549 int nfs_link_async(struct nfs_context
*nfs
, const char *oldpath
, const char *newpath
, nfs_cb cb
, void *private_data
)
4552 struct nfs_link_data
*link_data
;
4554 link_data
= malloc(sizeof(struct nfs_link_data
));
4555 if (link_data
== NULL
) {
4556 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for link data");
4559 memset(link_data
, 0, sizeof(struct nfs_link_data
));
4561 link_data
->oldpath
= strdup(oldpath
);
4562 if (link_data
->oldpath
== NULL
) {
4563 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for oldpath");
4564 free_nfs_link_data(link_data
);
4568 link_data
->newpath
= strdup(newpath
);
4569 if (link_data
->newpath
== NULL
) {
4570 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for newpath");
4571 free_nfs_link_data(link_data
);
4574 ptr
= strrchr(link_data
->newpath
, '/');
4576 rpc_set_error(nfs
->rpc
, "Invalid path %s", newpath
);
4577 free_nfs_link_data(link_data
);
4582 link_data
->newobject
= ptr
;
4585 if (nfs_lookuppath_async(nfs
, link_data
->oldpath
, cb
, private_data
, nfs_link_continue_1_internal
, link_data
, free_nfs_link_data
, 0) != 0) {
4586 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
4594 //qqq replace later with lseek()
4595 uint64_t nfs_get_current_offset(struct nfsfh
*nfsfh
)
4597 return nfsfh
->offset
;
4603 * Get the maximum supported READ3 size by the server
4605 uint64_t nfs_get_readmax(struct nfs_context
*nfs
)
4607 return nfs
->readmax
;
4611 * Get the maximum supported WRITE3 size by the server
4613 uint64_t nfs_get_writemax(struct nfs_context
*nfs
)
4615 return nfs
->writemax
;
4618 void nfs_set_tcp_syncnt(struct nfs_context
*nfs
, int v
) {
4619 rpc_set_tcp_syncnt(nfs
->rpc
, v
);
4622 void nfs_set_uid(struct nfs_context
*nfs
, int uid
) {
4623 rpc_set_uid(nfs
->rpc
, uid
);
4626 void nfs_set_gid(struct nfs_context
*nfs
, int gid
) {
4627 rpc_set_gid(nfs
->rpc
, gid
);
4630 void nfs_set_readahead(struct nfs_context
*nfs
, uint32_t v
) {
4631 rpc_set_readahead(nfs
->rpc
, v
);
4634 void nfs_set_error(struct nfs_context
*nfs
, char *error_string
, ...)
4639 va_start(ap
, error_string
);
4641 vsnprintf(str
, 1024, error_string
, ap
);
4642 if (nfs
->rpc
->error_string
!= NULL
) {
4643 free(nfs
->rpc
->error_string
);
4645 nfs
->rpc
->error_string
= str
;
4651 struct mount_cb_data
{
4657 static void free_mount_cb_data(struct mount_cb_data
*data
)
4659 if (data
->server
!= NULL
) {
4661 data
->server
= NULL
;
4667 static void mount_export_5_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
4669 struct mount_cb_data
*data
= private_data
;
4671 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
4673 if (status
== RPC_STATUS_ERROR
) {
4674 data
->cb(rpc
, -EFAULT
, command_data
, data
->private_data
);
4675 free_mount_cb_data(data
);
4678 if (status
== RPC_STATUS_CANCEL
) {
4679 data
->cb(rpc
, -EINTR
, "Command was cancelled", data
->private_data
);
4680 free_mount_cb_data(data
);
4684 data
->cb(rpc
, 0, command_data
, data
->private_data
);
4685 if (rpc_disconnect(rpc
, "normal disconnect") != 0) {
4686 rpc_set_error(rpc
, "Failed to disconnect\n");
4688 free_mount_cb_data(data
);
4691 static void mount_export_4_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
4693 struct mount_cb_data
*data
= private_data
;
4695 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
4697 /* Dont want any more callbacks even if the socket is closed */
4698 rpc
->connect_cb
= NULL
;
4700 if (status
== RPC_STATUS_ERROR
) {
4701 data
->cb(rpc
, -EFAULT
, command_data
, data
->private_data
);
4702 free_mount_cb_data(data
);
4705 if (status
== RPC_STATUS_CANCEL
) {
4706 data
->cb(rpc
, -EINTR
, "Command was cancelled", data
->private_data
);
4707 free_mount_cb_data(data
);
4711 if (rpc_mount3_export_async(rpc
, mount_export_5_cb
, data
) != 0) {
4712 data
->cb(rpc
, -ENOMEM
, command_data
, data
->private_data
);
4713 free_mount_cb_data(data
);
4718 int mount_getexports_async(struct rpc_context
*rpc
, const char *server
, rpc_cb cb
, void *private_data
)
4720 struct mount_cb_data
*data
;
4722 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
4724 data
= malloc(sizeof(struct mount_cb_data
));
4728 memset(data
, 0, sizeof(struct mount_cb_data
));
4730 data
->private_data
= private_data
;
4731 data
->server
= strdup(server
);
4732 if (data
->server
== NULL
) {
4733 free_mount_cb_data(data
);
4736 if (rpc_connect_program_async(rpc
, data
->server
, MOUNT_PROGRAM
, MOUNT_V3
, mount_export_4_cb
, data
) != 0) {
4737 rpc_set_error(rpc
, "Failed to start connection");
4738 free_mount_cb_data(data
);
4745 struct rpc_context
*nfs_get_rpc_context(struct nfs_context
*nfs
)
4747 assert(nfs
->rpc
->magic
== RPC_CONTEXT_MAGIC
);
4751 const char *nfs_get_server(struct nfs_context
*nfs
) {
4755 const char *nfs_get_export(struct nfs_context
*nfs
) {
4759 const struct nfs_fh3
*nfs_get_rootfh(struct nfs_context
*nfs
) {
4760 return &nfs
->rootfh
;
4763 struct nfs_fh3
*nfs_get_fh(struct nfsfh
*nfsfh
) {