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
);
2248 int nfs_fstat64_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, nfs_cb cb
, void *private_data
)
2250 struct nfs_cb_data
*data
;
2251 struct GETATTR3args args
;
2253 data
= malloc(sizeof(struct nfs_cb_data
));
2255 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_cb_data structure");
2258 memset(data
, 0, sizeof(struct nfs_cb_data
));
2261 data
->private_data
= private_data
;
2263 memset(&args
, 0, sizeof(GETATTR3args
));
2264 args
.object
= nfsfh
->fh
;
2266 if (rpc_nfs3_getattr_async(nfs
->rpc
, nfs_stat64_1_cb
, &args
, data
) != 0) {
2267 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send STAT GETATTR call for %s", data
->path
);
2268 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2269 free_nfs_cb_data(data
);
2280 static void nfs_fsync_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2282 struct nfs_cb_data
*data
= private_data
;
2283 struct nfs_context
*nfs
= data
->nfs
;
2286 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
2288 if (status
== RPC_STATUS_ERROR
) {
2289 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2290 free_nfs_cb_data(data
);
2293 if (status
== RPC_STATUS_CANCEL
) {
2294 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2295 free_nfs_cb_data(data
);
2300 if (res
->status
!= NFS3_OK
) {
2301 rpc_set_error(nfs
->rpc
, "NFS: Commit failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
2302 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2303 free_nfs_cb_data(data
);
2307 data
->cb(0, nfs
, NULL
, data
->private_data
);
2308 free_nfs_cb_data(data
);
2311 int nfs_fsync_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, nfs_cb cb
, void *private_data
)
2313 struct nfs_cb_data
*data
;
2314 struct COMMIT3args args
;
2316 data
= malloc(sizeof(struct nfs_cb_data
));
2318 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_cb_data structure");
2321 memset(data
, 0, sizeof(struct nfs_cb_data
));
2324 data
->private_data
= private_data
;
2326 args
.file
= nfsfh
->fh
;
2329 if (rpc_nfs3_commit_async(nfs
->rpc
, nfs_fsync_cb
, &args
, data
) != 0) {
2330 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send COMMIT call for %s", data
->path
);
2331 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2332 free_nfs_cb_data(data
);
2344 static void nfs_ftruncate_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2346 struct nfs_cb_data
*data
= private_data
;
2347 struct nfs_context
*nfs
= data
->nfs
;
2350 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
2352 if (status
== RPC_STATUS_ERROR
) {
2353 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2354 free_nfs_cb_data(data
);
2357 if (status
== RPC_STATUS_CANCEL
) {
2358 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2359 free_nfs_cb_data(data
);
2364 if (res
->status
!= NFS3_OK
) {
2365 rpc_set_error(nfs
->rpc
, "NFS: Setattr failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
2366 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2367 free_nfs_cb_data(data
);
2371 data
->cb(0, nfs
, NULL
, data
->private_data
);
2372 free_nfs_cb_data(data
);
2375 int nfs_ftruncate_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, uint64_t length
, nfs_cb cb
, void *private_data
)
2377 struct nfs_cb_data
*data
;
2380 data
= malloc(sizeof(struct nfs_cb_data
));
2382 rpc_set_error(nfs
->rpc
, "out of memory: failed to allocate nfs_cb_data structure");
2385 memset(data
, 0, sizeof(struct nfs_cb_data
));
2388 data
->private_data
= private_data
;
2390 memset(&args
, 0, sizeof(SETATTR3args
));
2391 args
.object
= nfsfh
->fh
;
2392 args
.new_attributes
.size
.set_it
= 1;
2393 args
.new_attributes
.size
.set_size3_u
.size
= length
;
2395 if (rpc_nfs3_setattr_async(nfs
->rpc
, nfs_ftruncate_cb
, &args
, data
) != 0) {
2396 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SETATTR call for %s", data
->path
);
2397 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2398 free_nfs_cb_data(data
);
2408 static int nfs_truncate_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
2410 uint64_t offset
= data
->continue_int
;
2413 nfsfh
.fh
= data
->fh
;
2415 if (nfs_ftruncate_async(nfs
, &nfsfh
, offset
, data
->cb
, data
->private_data
) != 0) {
2416 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SETATTR call for %s", data
->path
);
2417 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2418 free_nfs_cb_data(data
);
2421 free_nfs_cb_data(data
);
2425 int nfs_truncate_async(struct nfs_context
*nfs
, const char *path
, uint64_t length
, nfs_cb cb
, void *private_data
)
2431 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_truncate_continue_internal
, NULL
, NULL
, offset
) != 0) {
2432 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
2445 static void nfs_mkdir_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2448 struct nfs_cb_data
*data
= private_data
;
2449 struct nfs_context
*nfs
= data
->nfs
;
2450 char *str
= data
->continue_data
;
2452 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
2454 str
= &str
[strlen(str
) + 1];
2456 if (status
== RPC_STATUS_ERROR
) {
2457 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2458 free_nfs_cb_data(data
);
2461 if (status
== RPC_STATUS_CANCEL
) {
2462 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2463 free_nfs_cb_data(data
);
2468 if (res
->status
!= NFS3_OK
) {
2469 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
));
2470 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2471 free_nfs_cb_data(data
);
2475 data
->cb(0, nfs
, NULL
, data
->private_data
);
2476 free_nfs_cb_data(data
);
2479 static int nfs_mkdir_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
2481 char *str
= data
->continue_data
;
2484 str
= &str
[strlen(str
) + 1];
2486 memset(&args
, 0, sizeof(MKDIR3args
));
2487 args
.where
.dir
= data
->fh
;
2488 args
.where
.name
= str
;
2489 args
.attributes
.mode
.set_it
= 1;
2490 args
.attributes
.mode
.set_mode3_u
.mode
= 0755;
2492 if (rpc_nfs3_mkdir_async(nfs
->rpc
, nfs_mkdir_cb
, &args
, data
) != 0) {
2493 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send MKDIR call for %s", data
->path
);
2494 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2495 free_nfs_cb_data(data
);
2501 int nfs_mkdir_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
2506 new_path
= strdup(path
);
2507 if (new_path
== NULL
) {
2508 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for path");
2512 ptr
= strrchr(new_path
, '/');
2515 rpc_set_error(nfs
->rpc
, "Invalid path %s", path
);
2520 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
2521 if (nfs_lookuppath_async(nfs
, new_path
, cb
, private_data
, nfs_mkdir_continue_internal
, new_path
, free
, 0) != 0) {
2522 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path component");
2536 static void nfs_rmdir_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2539 struct nfs_cb_data
*data
= private_data
;
2540 struct nfs_context
*nfs
= data
->nfs
;
2541 char *str
= data
->continue_data
;
2543 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
2545 str
= &str
[strlen(str
) + 1];
2547 if (status
== RPC_STATUS_ERROR
) {
2548 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2549 free_nfs_cb_data(data
);
2552 if (status
== RPC_STATUS_CANCEL
) {
2553 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2554 free_nfs_cb_data(data
);
2559 if (res
->status
!= NFS3_OK
) {
2560 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
));
2561 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2562 free_nfs_cb_data(data
);
2566 data
->cb(0, nfs
, NULL
, data
->private_data
);
2567 free_nfs_cb_data(data
);
2570 static int nfs_rmdir_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
2572 char *str
= data
->continue_data
;
2575 str
= &str
[strlen(str
) + 1];
2577 args
.object
.dir
= data
->fh
;
2578 args
.object
.name
= str
;
2579 if (rpc_nfs3_rmdir_async(nfs
->rpc
, nfs_rmdir_cb
, &args
, data
) != 0) {
2580 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send RMDIR call for %s", data
->path
);
2581 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2582 free_nfs_cb_data(data
);
2588 int nfs_rmdir_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
2593 new_path
= strdup(path
);
2594 if (new_path
== NULL
) {
2595 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for path");
2599 ptr
= strrchr(new_path
, '/');
2602 rpc_set_error(nfs
->rpc
, "Invalid path %s", path
);
2607 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
2608 if (nfs_lookuppath_async(nfs
, new_path
, cb
, private_data
, nfs_rmdir_continue_internal
, new_path
, free
, 0) != 0) {
2609 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
2622 struct create_cb_data
{
2628 static void free_create_cb_data(void *ptr
)
2630 struct create_cb_data
*data
= ptr
;
2636 static void nfs_create_2_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2639 struct nfs_cb_data
*data
= private_data
;
2640 struct nfs_context
*nfs
= data
->nfs
;
2641 struct nfsfh
*nfsfh
;
2642 struct create_cb_data
*cb_data
= data
->continue_data
;
2643 char *str
= cb_data
->path
;
2645 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
2647 if (status
== RPC_STATUS_ERROR
) {
2648 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2649 free_nfs_cb_data(data
);
2652 if (status
== RPC_STATUS_CANCEL
) {
2653 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2654 free_nfs_cb_data(data
);
2658 str
= &str
[strlen(str
) + 1];
2660 if (res
->status
!= NFS3_OK
) {
2661 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
));
2662 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2667 nfsfh
= malloc(sizeof(struct nfsfh
));
2668 if (nfsfh
== NULL
) {
2669 rpc_set_error(nfs
->rpc
, "NFS: Failed to allocate nfsfh structure");
2670 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2671 free_nfs_cb_data(data
);
2674 memset(nfsfh
, 0, sizeof(struct nfsfh
));
2676 if (cb_data
->flags
& O_SYNC
) {
2679 if (cb_data
->flags
& O_APPEND
) {
2680 nfsfh
->is_append
= 1;
2683 /* copy the filehandle */
2684 nfsfh
->fh
.data
.data_len
= res
->LOOKUP3res_u
.resok
.object
.data
.data_len
;
2685 nfsfh
->fh
.data
.data_val
= malloc(nfsfh
->fh
.data
.data_len
);
2686 memcpy(nfsfh
->fh
.data
.data_val
, res
->LOOKUP3res_u
.resok
.object
.data
.data_val
, nfsfh
->fh
.data
.data_len
);
2688 data
->cb(0, nfs
, nfsfh
, data
->private_data
);
2689 free_nfs_cb_data(data
);
2694 static void nfs_create_1_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2697 struct nfs_cb_data
*data
= private_data
;
2698 struct nfs_context
*nfs
= data
->nfs
;
2699 struct create_cb_data
*cb_data
= data
->continue_data
;
2700 char *str
= cb_data
->path
;
2703 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
2705 if (status
== RPC_STATUS_ERROR
) {
2706 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2707 free_nfs_cb_data(data
);
2710 if (status
== RPC_STATUS_CANCEL
) {
2711 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2712 free_nfs_cb_data(data
);
2716 str
= &str
[strlen(str
) + 1];
2718 if (res
->status
!= NFS3_OK
) {
2719 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
));
2720 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2721 free_nfs_cb_data(data
);
2725 memset(&args
, 0, sizeof(LOOKUP3args
));
2726 args
.what
.dir
= data
->fh
;
2727 args
.what
.name
= str
;
2729 if (rpc_nfs3_lookup_async(nfs
->rpc
, nfs_create_2_cb
, &args
, data
) != 0) {
2730 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send lookup call for %s/%s", data
->saved_path
, str
);
2731 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2732 free_nfs_cb_data(data
);
2738 static int nfs_create_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
2740 struct create_cb_data
*cb_data
= data
->continue_data
;
2741 char *str
= cb_data
->path
;
2744 str
= &str
[strlen(str
) + 1];
2746 memset(&args
, 0, sizeof(CREATE3args
));
2747 args
.where
.dir
= data
->fh
;
2748 args
.where
.name
= str
;
2749 args
.how
.mode
= (cb_data
->flags
& O_EXCL
) ? GUARDED
: UNCHECKED
;
2750 args
.how
.createhow3_u
.obj_attributes
.mode
.set_it
= 1;
2751 args
.how
.createhow3_u
.obj_attributes
.mode
.set_mode3_u
.mode
= cb_data
->mode
;
2753 if (rpc_nfs3_create_async(nfs
->rpc
, nfs_create_1_cb
, &args
, data
) != 0) {
2754 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send CREATE call for %s/%s", data
->path
, str
);
2755 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2756 free_nfs_cb_data(data
);
2762 int nfs_create_async(struct nfs_context
*nfs
, const char *path
, int flags
, int mode
, nfs_cb cb
, void *private_data
)
2764 struct create_cb_data
*cb_data
;
2767 cb_data
= malloc(sizeof(struct create_cb_data
));
2768 if (cb_data
== NULL
) {
2769 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for cb data");
2773 cb_data
->path
= strdup(path
);
2774 if (cb_data
->path
== NULL
) {
2775 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for path");
2780 ptr
= strrchr(cb_data
->path
, '/');
2782 rpc_set_error(nfs
->rpc
, "Invalid path %s", path
);
2783 free_create_cb_data(cb_data
);
2788 cb_data
->flags
= flags
;
2789 cb_data
->mode
= mode
;
2791 /* new_path now points to the parent directory, and beyond the nul terminator is the new directory to create */
2792 if (nfs_lookuppath_async(nfs
, cb_data
->path
, cb
, private_data
, nfs_create_continue_internal
, cb_data
, free_create_cb_data
, 0) != 0) {
2793 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
2800 int nfs_creat_async(struct nfs_context
*nfs
, const char *path
, int mode
, nfs_cb cb
, void *private_data
)
2802 return nfs_create_async(nfs
, path
, 0, mode
, cb
, private_data
);
2811 static void nfs_unlink_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2814 struct nfs_cb_data
*data
= private_data
;
2815 struct nfs_context
*nfs
= data
->nfs
;
2816 char *str
= data
->continue_data
;
2818 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
2820 str
= &str
[strlen(str
) + 1];
2822 if (status
== RPC_STATUS_ERROR
) {
2823 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2824 free_nfs_cb_data(data
);
2827 if (status
== RPC_STATUS_CANCEL
) {
2828 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2829 free_nfs_cb_data(data
);
2834 if (res
->status
!= NFS3_OK
) {
2835 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
));
2836 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2837 free_nfs_cb_data(data
);
2841 data
->cb(0, nfs
, NULL
, data
->private_data
);
2842 free_nfs_cb_data(data
);
2845 static int nfs_unlink_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
2847 char *str
= data
->continue_data
;
2848 struct REMOVE3args args
;
2850 str
= &str
[strlen(str
) + 1];
2852 args
.object
.dir
= data
->fh
;
2853 args
.object
.name
= str
;
2854 if (rpc_nfs3_remove_async(nfs
->rpc
, nfs_unlink_cb
, &args
, data
) != 0) {
2855 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send REMOVE call for %s", data
->path
);
2856 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2857 free_nfs_cb_data(data
);
2863 int nfs_unlink_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
2868 new_path
= strdup(path
);
2869 if (new_path
== NULL
) {
2870 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for path");
2874 ptr
= strrchr(new_path
, '/');
2877 rpc_set_error(nfs
->rpc
, "Invalid path %s", path
);
2882 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
2883 if (nfs_lookuppath_async(nfs
, new_path
, cb
, private_data
, nfs_unlink_continue_internal
, new_path
, free
, 0) != 0) {
2884 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
2895 struct mknod_cb_data
{
2902 static void free_mknod_cb_data(void *ptr
)
2904 struct mknod_cb_data
*data
= ptr
;
2910 static void nfs_mknod_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
2913 struct nfs_cb_data
*data
= private_data
;
2914 struct nfs_context
*nfs
= data
->nfs
;
2915 char *str
= data
->continue_data
;
2917 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
2919 str
= &str
[strlen(str
) + 1];
2921 if (status
== RPC_STATUS_ERROR
) {
2922 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
2923 free_nfs_cb_data(data
);
2926 if (status
== RPC_STATUS_CANCEL
) {
2927 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
2928 free_nfs_cb_data(data
);
2933 if (res
->status
!= NFS3_OK
) {
2934 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
));
2935 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2936 free_nfs_cb_data(data
);
2940 data
->cb(0, nfs
, NULL
, data
->private_data
);
2941 free_nfs_cb_data(data
);
2944 static int nfs_mknod_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
2946 struct mknod_cb_data
*cb_data
= data
->continue_data
;
2947 char *str
= cb_data
->path
;
2950 str
= &str
[strlen(str
) + 1];
2952 args
.where
.dir
= data
->fh
;
2953 args
.where
.name
= str
;
2954 switch (cb_data
->mode
& S_IFMT
) {
2956 args
.what
.type
= NF3CHR
;
2957 args
.what
.mknoddata3_u
.chr_device
.dev_attributes
.mode
.set_it
= 1;
2958 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
);
2959 args
.what
.mknoddata3_u
.chr_device
.spec
.specdata1
= cb_data
->major
;
2960 args
.what
.mknoddata3_u
.chr_device
.spec
.specdata2
= cb_data
->minor
;
2963 args
.what
.type
= NF3BLK
;
2964 args
.what
.mknoddata3_u
.blk_device
.dev_attributes
.mode
.set_it
= 1;
2965 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
);
2966 args
.what
.mknoddata3_u
.blk_device
.spec
.specdata1
= cb_data
->major
;
2967 args
.what
.mknoddata3_u
.blk_device
.spec
.specdata2
= cb_data
->minor
;
2969 args
.what
.type
= NF3SOCK
;
2970 args
.what
.mknoddata3_u
.sock_attributes
.mode
.set_it
= 1;
2971 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
);
2974 args
.what
.type
= NF3FIFO
;
2975 args
.what
.mknoddata3_u
.pipe_attributes
.mode
.set_it
= 1;
2976 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
);
2979 rpc_set_error(nfs
->rpc
, "Invalid file type for NFS3/MKNOD call");
2980 data
->cb(-EINVAL
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2981 free_nfs_cb_data(data
);
2985 if (rpc_nfs3_mknod_async(nfs
->rpc
, nfs_mknod_cb
, &args
, data
) != 0) {
2986 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
2987 free_nfs_cb_data(data
);
2993 int nfs_mknod_async(struct nfs_context
*nfs
, const char *path
, int mode
, int dev
, nfs_cb cb
, void *private_data
)
2996 struct mknod_cb_data
*cb_data
;
2998 cb_data
= malloc(sizeof(struct mknod_cb_data
));
2999 if (cb_data
== NULL
) {
3000 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for cb data");
3004 cb_data
->path
= strdup(path
);
3005 if (cb_data
->path
== NULL
) {
3006 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for path");
3011 ptr
= strrchr(cb_data
->path
, '/');
3013 rpc_set_error(nfs
->rpc
, "Invalid path %s", path
);
3014 free_mknod_cb_data(cb_data
);
3019 cb_data
->mode
= mode
;
3020 cb_data
->major
= major(dev
);
3021 cb_data
->minor
= minor(dev
);
3023 /* data->path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
3024 if (nfs_lookuppath_async(nfs
, cb_data
->path
, cb
, private_data
, nfs_mknod_continue_internal
, cb_data
, free_mknod_cb_data
, 0) != 0) {
3025 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
3036 /* ReadDirPlus Emulation Callback data */
3037 struct rdpe_cb_data
{
3040 struct nfs_cb_data
*data
;
3043 /* ReadDirPlus Emulation LOOKUP Callback data */
3044 struct rdpe_lookup_cb_data
{
3045 struct rdpe_cb_data
*rdpe_cb_data
;
3046 struct nfsdirent
*nfsdirent
;
3049 /* Workaround for servers lacking READDIRPLUS, use READDIR instead and a GETATTR-loop */
3050 static void nfs_opendir3_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
3052 LOOKUP3res
*res
= command_data
;
3053 struct rdpe_lookup_cb_data
*rdpe_lookup_cb_data
= private_data
;
3054 struct rdpe_cb_data
*rdpe_cb_data
= rdpe_lookup_cb_data
->rdpe_cb_data
;
3055 struct nfs_cb_data
*data
= rdpe_cb_data
->data
;
3056 struct nfsdir
*nfsdir
= data
->continue_data
;
3057 struct nfs_context
*nfs
= data
->nfs
;
3058 struct nfsdirent
*nfsdirent
= rdpe_lookup_cb_data
->nfsdirent
;
3060 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
3062 free(rdpe_lookup_cb_data
);
3064 rdpe_cb_data
->getattrcount
--;
3066 if (status
== RPC_STATUS_ERROR
) {
3067 rpc_set_error(nfs
->rpc
, "LOOKUP during READDIRPLUS emulation "
3068 "failed with RPC_STATUS_ERROR");
3069 rdpe_cb_data
->status
= RPC_STATUS_ERROR
;
3071 if (status
== RPC_STATUS_CANCEL
) {
3072 rpc_set_error(nfs
->rpc
, "LOOKUP during READDIRPLUS emulation "
3073 "failed with RPC_STATUS_CANCEL");
3074 rdpe_cb_data
->status
= RPC_STATUS_CANCEL
;
3076 if (status
== RPC_STATUS_SUCCESS
&& res
->status
== NFS3_OK
) {
3077 if (res
->LOOKUP3res_u
.resok
.obj_attributes
.attributes_follow
) {
3078 fattr3
*attributes
= &res
->LOOKUP3res_u
.resok
.obj_attributes
.post_op_attr_u
.attributes
;
3080 nfsdirent
->type
= attributes
->type
;
3081 nfsdirent
->mode
= attributes
->mode
;
3082 nfsdirent
->size
= attributes
->size
;
3084 nfsdirent
->atime
.tv_sec
= attributes
->atime
.seconds
;
3085 nfsdirent
->atime
.tv_usec
= attributes
->atime
.nseconds
/1000;
3086 nfsdirent
->atime_nsec
= attributes
->atime
.nseconds
;
3087 nfsdirent
->mtime
.tv_sec
= attributes
->mtime
.seconds
;
3088 nfsdirent
->mtime
.tv_usec
= attributes
->mtime
.nseconds
/1000;
3089 nfsdirent
->mtime_nsec
= attributes
->mtime
.nseconds
;
3090 nfsdirent
->ctime
.tv_sec
= attributes
->ctime
.seconds
;
3091 nfsdirent
->ctime
.tv_usec
= attributes
->ctime
.nseconds
/1000;
3092 nfsdirent
->ctime_nsec
= attributes
->ctime
.nseconds
;
3093 nfsdirent
->uid
= attributes
->uid
;
3094 nfsdirent
->gid
= attributes
->gid
;
3095 nfsdirent
->nlink
= attributes
->nlink
;
3096 nfsdirent
->dev
= attributes
->fsid
;
3097 nfsdirent
->rdev
= specdata3_to_rdev(&attributes
->rdev
);
3098 nfsdirent
->blksize
= NFS_BLKSIZE
;
3099 nfsdirent
->blocks
= (attributes
->used
+ 512 - 1) / 512;
3100 nfsdirent
->used
= attributes
->used
;
3104 if (rdpe_cb_data
->getattrcount
== 0) {
3105 if (rdpe_cb_data
->status
!= RPC_STATUS_SUCCESS
) {
3106 rpc_set_error(nfs
->rpc
, "READDIRPLUS emulation "
3107 "failed: %s", rpc_get_error(rpc
));
3108 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
),
3109 data
->private_data
);
3110 nfs_free_nfsdir(nfsdir
);
3112 data
->cb(0, nfs
, nfsdir
, data
->private_data
);
3116 data
->continue_data
= NULL
;
3117 free_nfs_cb_data(data
);
3121 static void nfs_opendir2_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
3123 READDIR3res
*res
= command_data
;
3124 struct nfs_cb_data
*data
= private_data
;
3125 struct nfs_context
*nfs
= data
->nfs
;
3126 struct nfsdir
*nfsdir
= data
->continue_data
;
3127 struct nfsdirent
*nfsdirent
;
3128 struct entry3
*entry
;
3129 uint64_t cookie
= 0;
3130 struct rdpe_cb_data
*rdpe_cb_data
;
3132 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
3134 if (status
== RPC_STATUS_ERROR
) {
3135 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
3136 nfs_free_nfsdir(nfsdir
);
3137 data
->continue_data
= NULL
;
3138 free_nfs_cb_data(data
);
3142 if (status
== RPC_STATUS_CANCEL
) {
3143 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
3144 nfs_free_nfsdir(nfsdir
);
3145 data
->continue_data
= NULL
;
3146 free_nfs_cb_data(data
);
3150 if (res
->status
!= NFS3_OK
) {
3151 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
));
3152 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3153 nfs_free_nfsdir(nfsdir
);
3154 data
->continue_data
= NULL
;
3155 free_nfs_cb_data(data
);
3159 entry
=res
->READDIR3res_u
.resok
.reply
.entries
;
3160 while (entry
!= NULL
) {
3161 nfsdirent
= malloc(sizeof(struct nfsdirent
));
3162 if (nfsdirent
== NULL
) {
3163 data
->cb(-ENOMEM
, nfs
, "Failed to allocate dirent", data
->private_data
);
3164 nfs_free_nfsdir(nfsdir
);
3165 data
->continue_data
= NULL
;
3166 free_nfs_cb_data(data
);
3169 memset(nfsdirent
, 0, sizeof(struct nfsdirent
));
3170 nfsdirent
->name
= strdup(entry
->name
);
3171 if (nfsdirent
->name
== NULL
) {
3172 data
->cb(-ENOMEM
, nfs
, "Failed to allocate dirent->name", data
->private_data
);
3174 nfs_free_nfsdir(nfsdir
);
3175 data
->continue_data
= NULL
;
3176 free_nfs_cb_data(data
);
3179 nfsdirent
->inode
= entry
->fileid
;
3181 nfsdirent
->next
= nfsdir
->entries
;
3182 nfsdir
->entries
= nfsdirent
;
3184 cookie
= entry
->cookie
;
3185 entry
= entry
->nextentry
;
3188 if (res
->READDIR3res_u
.resok
.reply
.eof
== 0) {
3191 args
.dir
= data
->fh
;
3192 args
.cookie
= cookie
;
3193 memcpy(&args
.cookieverf
, res
->READDIR3res_u
.resok
.cookieverf
, sizeof(cookieverf3
));
3196 if (rpc_nfs3_readdir_async(nfs
->rpc
, nfs_opendir2_cb
, &args
, data
) != 0) {
3197 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READDIR call for %s", data
->path
);
3198 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3199 nfs_free_nfsdir(nfsdir
);
3200 data
->continue_data
= NULL
;
3201 free_nfs_cb_data(data
);
3207 if (res
->READDIR3res_u
.resok
.dir_attributes
.attributes_follow
)
3208 nfsdir
->attr
= res
->READDIR3res_u
.resok
.dir_attributes
.post_op_attr_u
.attributes
;
3210 /* steal the dirhandle */
3211 nfsdir
->current
= nfsdir
->entries
;
3213 if (nfsdir
->entries
) {
3214 rdpe_cb_data
= malloc(sizeof(struct rdpe_cb_data
));
3215 rdpe_cb_data
->getattrcount
= 0;
3216 rdpe_cb_data
->status
= RPC_STATUS_SUCCESS
;
3217 rdpe_cb_data
->data
= data
;
3218 for (nfsdirent
= nfsdir
->entries
; nfsdirent
; nfsdirent
= nfsdirent
->next
) {
3219 struct rdpe_lookup_cb_data
*rdpe_lookup_cb_data
;
3222 rdpe_lookup_cb_data
= malloc(sizeof(struct rdpe_lookup_cb_data
));
3223 rdpe_lookup_cb_data
->rdpe_cb_data
= rdpe_cb_data
;
3224 rdpe_lookup_cb_data
->nfsdirent
= nfsdirent
;
3226 memset(&args
, 0, sizeof(LOOKUP3args
));
3227 args
.what
.dir
= data
->fh
;
3228 args
.what
.name
= nfsdirent
->name
;
3230 if (rpc_nfs3_lookup_async(nfs
->rpc
, nfs_opendir3_cb
, &args
, rdpe_lookup_cb_data
) != 0) {
3231 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READDIR LOOKUP call");
3233 /* if we have already commands in flight, we cant just stop, we have to wait for the
3234 * commands in flight to complete
3236 if (rdpe_cb_data
->getattrcount
> 0) {
3237 nfs_free_nfsdir(nfsdir
);
3238 data
->continue_data
= NULL
;
3239 free_nfs_cb_data(data
);
3240 rdpe_cb_data
->status
= RPC_STATUS_ERROR
;
3241 free(rdpe_lookup_cb_data
);
3245 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3246 nfs_free_nfsdir(nfsdir
);
3247 data
->continue_data
= NULL
;
3248 free_nfs_cb_data(data
);
3249 free(rdpe_lookup_cb_data
);
3253 rdpe_cb_data
->getattrcount
++;
3258 static void nfs_opendir_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
3260 READDIRPLUS3res
*res
= command_data
;
3261 struct nfs_cb_data
*data
= private_data
;
3262 struct nfs_context
*nfs
= data
->nfs
;
3263 struct nfsdir
*nfsdir
= data
->continue_data
;
3264 struct entryplus3
*entry
;
3265 uint64_t cookie
= 0;
3267 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
3269 if (status
== RPC_STATUS_ERROR
|| (status
== RPC_STATUS_SUCCESS
&& res
->status
== NFS3ERR_NOTSUPP
) ){
3272 args
.dir
= data
->fh
;
3273 args
.cookie
= cookie
;
3274 memset(&args
.cookieverf
, 0, sizeof(cookieverf3
));
3277 if (rpc_nfs3_readdir_async(nfs
->rpc
, nfs_opendir2_cb
, &args
, data
) != 0) {
3278 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READDIR call for %s", data
->path
);
3279 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3280 nfs_free_nfsdir(nfsdir
);
3281 data
->continue_data
= NULL
;
3282 free_nfs_cb_data(data
);
3288 if (status
== RPC_STATUS_CANCEL
) {
3289 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
3290 nfs_free_nfsdir(nfsdir
);
3291 data
->continue_data
= NULL
;
3292 free_nfs_cb_data(data
);
3296 if (res
->status
!= NFS3_OK
) {
3297 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
));
3298 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3299 nfs_free_nfsdir(nfsdir
);
3300 data
->continue_data
= NULL
;
3301 free_nfs_cb_data(data
);
3305 entry
=res
->READDIRPLUS3res_u
.resok
.reply
.entries
;
3306 while (entry
!= NULL
) {
3307 struct nfsdirent
*nfsdirent
;
3309 nfsdirent
= malloc(sizeof(struct nfsdirent
));
3310 if (nfsdirent
== NULL
) {
3311 data
->cb(-ENOMEM
, nfs
, "Failed to allocate dirent", data
->private_data
);
3312 nfs_free_nfsdir(nfsdir
);
3313 data
->continue_data
= NULL
;
3314 free_nfs_cb_data(data
);
3317 memset(nfsdirent
, 0, sizeof(struct nfsdirent
));
3318 nfsdirent
->name
= strdup(entry
->name
);
3319 if (nfsdirent
->name
== NULL
) {
3320 data
->cb(-ENOMEM
, nfs
, "Failed to allocate dirent->name", data
->private_data
);
3322 nfs_free_nfsdir(nfsdir
);
3323 data
->continue_data
= NULL
;
3324 free_nfs_cb_data(data
);
3327 nfsdirent
->inode
= entry
->fileid
;
3328 if (entry
->name_attributes
.attributes_follow
) {
3329 nfsdirent
->type
= entry
->name_attributes
.post_op_attr_u
.attributes
.type
;
3330 nfsdirent
->mode
= entry
->name_attributes
.post_op_attr_u
.attributes
.mode
;
3331 nfsdirent
->size
= entry
->name_attributes
.post_op_attr_u
.attributes
.size
;
3333 nfsdirent
->atime
.tv_sec
= entry
->name_attributes
.post_op_attr_u
.attributes
.atime
.seconds
;
3334 nfsdirent
->atime
.tv_usec
= entry
->name_attributes
.post_op_attr_u
.attributes
.atime
.nseconds
/1000;
3335 nfsdirent
->atime_nsec
= entry
->name_attributes
.post_op_attr_u
.attributes
.atime
.nseconds
;
3336 nfsdirent
->mtime
.tv_sec
= entry
->name_attributes
.post_op_attr_u
.attributes
.mtime
.seconds
;
3337 nfsdirent
->mtime
.tv_usec
= entry
->name_attributes
.post_op_attr_u
.attributes
.mtime
.nseconds
/1000;
3338 nfsdirent
->mtime_nsec
= entry
->name_attributes
.post_op_attr_u
.attributes
.mtime
.nseconds
;
3339 nfsdirent
->ctime
.tv_sec
= entry
->name_attributes
.post_op_attr_u
.attributes
.ctime
.seconds
;
3340 nfsdirent
->ctime
.tv_usec
= entry
->name_attributes
.post_op_attr_u
.attributes
.ctime
.nseconds
/1000;
3341 nfsdirent
->ctime_nsec
= entry
->name_attributes
.post_op_attr_u
.attributes
.ctime
.nseconds
;
3342 nfsdirent
->uid
= entry
->name_attributes
.post_op_attr_u
.attributes
.uid
;
3343 nfsdirent
->gid
= entry
->name_attributes
.post_op_attr_u
.attributes
.gid
;
3344 nfsdirent
->nlink
= entry
->name_attributes
.post_op_attr_u
.attributes
.nlink
;
3345 nfsdirent
->dev
= entry
->name_attributes
.post_op_attr_u
.attributes
.fsid
;
3346 nfsdirent
->rdev
= specdata3_to_rdev(&entry
->name_attributes
.post_op_attr_u
.attributes
.rdev
);
3347 nfsdirent
->blksize
= NFS_BLKSIZE
;
3348 nfsdirent
->blocks
= (entry
->name_attributes
.post_op_attr_u
.attributes
.used
+ 512 - 1) / 512;
3349 nfsdirent
->used
= entry
->name_attributes
.post_op_attr_u
.attributes
.used
;
3352 nfsdirent
->next
= nfsdir
->entries
;
3353 nfsdir
->entries
= nfsdirent
;
3355 cookie
= entry
->cookie
;
3356 entry
= entry
->nextentry
;
3359 if (res
->READDIRPLUS3res_u
.resok
.reply
.eof
== 0) {
3360 READDIRPLUS3args args
;
3362 args
.dir
= data
->fh
;
3363 args
.cookie
= cookie
;
3364 memcpy(&args
.cookieverf
, res
->READDIRPLUS3res_u
.resok
.cookieverf
, sizeof(cookieverf3
));
3365 args
.dircount
= 8192;
3366 args
.maxcount
= 8192;
3368 if (rpc_nfs3_readdirplus_async(nfs
->rpc
, nfs_opendir_cb
, &args
, data
) != 0) {
3369 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READDIRPLUS call for %s", data
->path
);
3370 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3371 nfs_free_nfsdir(nfsdir
);
3372 data
->continue_data
= NULL
;
3373 free_nfs_cb_data(data
);
3379 if (res
->READDIRPLUS3res_u
.resok
.dir_attributes
.attributes_follow
)
3380 nfsdir
->attr
= res
->READDIRPLUS3res_u
.resok
.dir_attributes
.post_op_attr_u
.attributes
;
3382 /* steal the dirhandle */
3383 data
->continue_data
= NULL
;
3384 nfsdir
->current
= nfsdir
->entries
;
3386 data
->cb(0, nfs
, nfsdir
, data
->private_data
);
3387 free_nfs_cb_data(data
);
3390 static int nfs_opendir_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
3392 READDIRPLUS3args args
;
3393 struct nfsdir
*nfsdir
= data
->continue_data
;;
3394 struct nfsdir
*cached
;
3396 cached
= nfs_dircache_find(nfs
, &data
->fh
);
3398 if (attr
&& attr
->mtime
.seconds
== cached
->attr
.mtime
.seconds
) {
3399 cached
->current
= cached
->entries
;
3400 data
->cb(0, nfs
, cached
, data
->private_data
);
3401 free_nfs_cb_data(data
);
3404 /* cache must be stale */
3405 nfs_free_nfsdir(cached
);
3409 nfsdir
->fh
.data
.data_len
= data
->fh
.data
.data_len
;
3410 nfsdir
->fh
.data
.data_val
= malloc(nfsdir
->fh
.data
.data_len
);
3411 if (nfsdir
->fh
.data
.data_val
== NULL
) {
3412 rpc_set_error(nfs
->rpc
, "OOM when allocating fh for nfsdir");
3413 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3414 free_nfs_cb_data(data
);
3417 memcpy(nfsdir
->fh
.data
.data_val
, data
->fh
.data
.data_val
, data
->fh
.data
.data_len
);
3419 args
.dir
= data
->fh
;
3421 memset(&args
.cookieverf
, 0, sizeof(cookieverf3
));
3422 args
.dircount
= 8192;
3423 args
.maxcount
= 8192;
3424 if (rpc_nfs3_readdirplus_async(nfs
->rpc
, nfs_opendir_cb
, &args
, data
) != 0) {
3425 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READDIRPLUS call for %s", data
->path
);
3426 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3427 free_nfs_cb_data(data
);
3433 int nfs_opendir_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
3435 struct nfsdir
*nfsdir
;
3437 nfsdir
= malloc(sizeof(struct nfsdir
));
3438 if (nfsdir
== NULL
) {
3439 rpc_set_error(nfs
->rpc
, "failed to allocate buffer for nfsdir");
3442 memset(nfsdir
, 0, sizeof(struct nfsdir
));
3444 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_opendir_continue_internal
, nfsdir
, free
, 0) != 0) {
3445 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
3453 struct nfsdirent
*nfs_readdir(struct nfs_context
*nfs _U_
, struct nfsdir
*nfsdir
)
3455 struct nfsdirent
*nfsdirent
= nfsdir
->current
;
3457 if (nfsdir
->current
!= NULL
) {
3458 nfsdir
->current
= nfsdir
->current
->next
;
3467 void nfs_closedir(struct nfs_context
*nfs
, struct nfsdir
*nfsdir
)
3469 nfs_dircache_add(nfs
, nfsdir
);
3476 void nfs_getcwd(struct nfs_context
*nfs
, const char **cwd
)
3487 struct lseek_cb_data
{
3488 struct nfs_context
*nfs
;
3489 struct nfsfh
*nfsfh
;
3495 static void nfs_lseek_1_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
3498 struct lseek_cb_data
*data
= private_data
;
3499 struct nfs_context
*nfs
= data
->nfs
;
3502 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
3504 if (status
== RPC_STATUS_ERROR
) {
3505 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
3509 if (status
== RPC_STATUS_CANCEL
) {
3510 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
3516 if (res
->status
!= NFS3_OK
) {
3517 rpc_set_error(nfs
->rpc
, "NFS: GETATTR failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
3518 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3523 size
= res
->GETATTR3res_u
.resok
.obj_attributes
.size
;
3525 if (data
->offset
< 0 &&
3526 (uint64_t)(-data
->offset
) > size
) {
3527 data
->cb(-EINVAL
, nfs
, &data
->nfsfh
->offset
, data
->private_data
);
3529 data
->nfsfh
->offset
= data
->offset
+ size
;
3530 data
->cb(0, nfs
, &data
->nfsfh
->offset
, data
->private_data
);
3536 int nfs_lseek_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, int64_t offset
, int whence
, nfs_cb cb
, void *private_data
)
3538 struct lseek_cb_data
*data
;
3539 struct GETATTR3args args
;
3541 if (whence
== SEEK_SET
) {
3543 cb(-EINVAL
, nfs
, &nfsfh
->offset
, private_data
);
3545 nfsfh
->offset
= offset
;
3546 cb(0, nfs
, &nfsfh
->offset
, private_data
);
3550 if (whence
== SEEK_CUR
) {
3552 nfsfh
->offset
< (uint64_t)(-offset
)) {
3553 cb(-EINVAL
, nfs
, &nfsfh
->offset
, private_data
);
3555 nfsfh
->offset
+= offset
;
3556 cb(0, nfs
, &nfsfh
->offset
, private_data
);
3561 data
= malloc(sizeof(struct lseek_cb_data
));
3563 rpc_set_error(nfs
->rpc
, "Out Of Memory: Failed to malloc lseek cb data");
3568 data
->nfsfh
= nfsfh
;
3569 data
->offset
= offset
;
3571 data
->private_data
= private_data
;
3573 memset(&args
, 0, sizeof(GETATTR3args
));
3574 args
.object
= nfsfh
->fh
;
3576 if (rpc_nfs3_getattr_async(nfs
->rpc
, nfs_lseek_1_cb
, &args
, data
) != 0) {
3577 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send LSEEK GETATTR call");
3590 static void nfs_statvfs_1_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
3593 struct nfs_cb_data
*data
= private_data
;
3594 struct nfs_context
*nfs
= data
->nfs
;
3595 struct statvfs svfs
;
3597 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
3599 if (status
== RPC_STATUS_ERROR
) {
3600 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
3601 free_nfs_cb_data(data
);
3604 if (status
== RPC_STATUS_CANCEL
) {
3605 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
3606 free_nfs_cb_data(data
);
3611 if (res
->status
!= NFS3_OK
) {
3612 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
));
3613 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3614 free_nfs_cb_data(data
);
3618 svfs
.f_bsize
= NFS_BLKSIZE
;
3619 svfs
.f_frsize
= NFS_BLKSIZE
;
3620 svfs
.f_blocks
= res
->FSSTAT3res_u
.resok
.tbytes
/NFS_BLKSIZE
;
3621 svfs
.f_bfree
= res
->FSSTAT3res_u
.resok
.fbytes
/NFS_BLKSIZE
;
3622 svfs
.f_bavail
= res
->FSSTAT3res_u
.resok
.abytes
/NFS_BLKSIZE
;
3623 svfs
.f_files
= res
->FSSTAT3res_u
.resok
.tfiles
;
3624 svfs
.f_ffree
= res
->FSSTAT3res_u
.resok
.ffiles
;
3625 #if !defined(ANDROID)
3626 svfs
.f_favail
= res
->FSSTAT3res_u
.resok
.afiles
;
3629 svfs
.f_namemax
= 256;
3632 data
->cb(0, nfs
, &svfs
, data
->private_data
);
3633 free_nfs_cb_data(data
);
3636 static int nfs_statvfs_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
3640 args
.fsroot
= data
->fh
;
3641 if (rpc_nfs3_fsstat_async(nfs
->rpc
, nfs_statvfs_1_cb
, &args
, data
) != 0) {
3642 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send FSSTAT call for %s", data
->path
);
3643 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3644 free_nfs_cb_data(data
);
3650 int nfs_statvfs_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
3652 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_statvfs_continue_internal
, NULL
, NULL
, 0) != 0) {
3653 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
3666 static void nfs_readlink_1_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
3669 struct nfs_cb_data
*data
= private_data
;
3670 struct nfs_context
*nfs
= data
->nfs
;
3672 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
3674 if (status
== RPC_STATUS_ERROR
) {
3675 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
3676 free_nfs_cb_data(data
);
3679 if (status
== RPC_STATUS_CANCEL
) {
3680 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
3681 free_nfs_cb_data(data
);
3686 if (res
->status
!= NFS3_OK
) {
3687 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
));
3688 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3689 free_nfs_cb_data(data
);
3694 data
->cb(0, nfs
, res
->READLINK3res_u
.resok
.data
, data
->private_data
);
3695 free_nfs_cb_data(data
);
3698 static int nfs_readlink_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
3702 args
.symlink
= data
->fh
;
3704 if (rpc_nfs3_readlink_async(nfs
->rpc
, nfs_readlink_1_cb
, &args
, data
) != 0) {
3705 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send READLINK call for %s", data
->path
);
3706 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3707 free_nfs_cb_data(data
);
3713 int nfs_readlink_async(struct nfs_context
*nfs
, const char *path
, nfs_cb cb
, void *private_data
)
3715 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_readlink_continue_internal
, NULL
, NULL
, 0) != 0) {
3716 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
3729 static void nfs_chmod_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
3731 struct nfs_cb_data
*data
= private_data
;
3732 struct nfs_context
*nfs
= data
->nfs
;
3735 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
3737 if (status
== RPC_STATUS_ERROR
) {
3738 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
3739 free_nfs_cb_data(data
);
3742 if (status
== RPC_STATUS_CANCEL
) {
3743 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
3744 free_nfs_cb_data(data
);
3749 if (res
->status
!= NFS3_OK
) {
3750 rpc_set_error(nfs
->rpc
, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
3751 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3752 free_nfs_cb_data(data
);
3756 data
->cb(0, nfs
, NULL
, data
->private_data
);
3757 free_nfs_cb_data(data
);
3760 static int nfs_chmod_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
3764 memset(&args
, 0, sizeof(SETATTR3args
));
3765 args
.object
= data
->fh
;
3766 args
.new_attributes
.mode
.set_it
= 1;
3767 args
.new_attributes
.mode
.set_mode3_u
.mode
= data
->continue_int
;
3769 if (rpc_nfs3_setattr_async(nfs
->rpc
, nfs_chmod_cb
, &args
, data
) != 0) {
3770 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SETATTR call for %s", data
->path
);
3771 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3772 free_nfs_cb_data(data
);
3779 int nfs_chmod_async(struct nfs_context
*nfs
, const char *path
, int mode
, nfs_cb cb
, void *private_data
)
3781 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_chmod_continue_internal
, NULL
, NULL
, mode
) != 0) {
3782 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
3792 int nfs_fchmod_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, int mode
, nfs_cb cb
, void *private_data
)
3794 struct nfs_cb_data
*data
;
3796 data
= malloc(sizeof(struct nfs_cb_data
));
3798 rpc_set_error(nfs
->rpc
, "out of memory. failed to allocate memory for nfs mount data");
3801 memset(data
, 0, sizeof(struct nfs_cb_data
));
3804 data
->private_data
= private_data
;
3805 data
->continue_int
= mode
;
3806 data
->fh
.data
.data_len
= nfsfh
->fh
.data
.data_len
;
3807 data
->fh
.data
.data_val
= malloc(data
->fh
.data
.data_len
);
3808 if (data
->fh
.data
.data_val
== NULL
) {
3809 rpc_set_error(nfs
->rpc
, "Out of memory: Failed to allocate fh");
3810 free_nfs_cb_data(data
);
3813 memcpy(data
->fh
.data
.data_val
, nfsfh
->fh
.data
.data_val
, data
->fh
.data
.data_len
);
3815 if (nfs_chmod_continue_internal(nfs
, NULL
, data
) != 0) {
3827 static void nfs_chown_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
3829 struct nfs_cb_data
*data
= private_data
;
3830 struct nfs_context
*nfs
= data
->nfs
;
3833 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
3835 if (status
== RPC_STATUS_ERROR
) {
3836 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
3837 free_nfs_cb_data(data
);
3840 if (status
== RPC_STATUS_CANCEL
) {
3841 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
3842 free_nfs_cb_data(data
);
3847 if (res
->status
!= NFS3_OK
) {
3848 rpc_set_error(nfs
->rpc
, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
3849 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3850 free_nfs_cb_data(data
);
3854 data
->cb(0, nfs
, NULL
, data
->private_data
);
3855 free_nfs_cb_data(data
);
3858 struct nfs_chown_data
{
3863 static int nfs_chown_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
3866 struct nfs_chown_data
*chown_data
= data
->continue_data
;
3868 memset(&args
, 0, sizeof(SETATTR3args
));
3869 args
.object
= data
->fh
;
3870 if (chown_data
->uid
!= (uid_t
)-1) {
3871 args
.new_attributes
.uid
.set_it
= 1;
3872 args
.new_attributes
.uid
.set_uid3_u
.uid
= chown_data
->uid
;
3874 if (chown_data
->gid
!= (gid_t
)-1) {
3875 args
.new_attributes
.gid
.set_it
= 1;
3876 args
.new_attributes
.gid
.set_gid3_u
.gid
= chown_data
->gid
;
3879 if (rpc_nfs3_setattr_async(nfs
->rpc
, nfs_chown_cb
, &args
, data
) != 0) {
3880 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SETATTR call for %s", data
->path
);
3881 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3882 free_nfs_cb_data(data
);
3889 int nfs_chown_async(struct nfs_context
*nfs
, const char *path
, int uid
, int gid
, nfs_cb cb
, void *private_data
)
3891 struct nfs_chown_data
*chown_data
;
3893 chown_data
= malloc(sizeof(struct nfs_chown_data
));
3894 if (chown_data
== NULL
) {
3895 rpc_set_error(nfs
->rpc
, "Failed to allocate memory for chown data structure");
3899 chown_data
->uid
= uid
;
3900 chown_data
->gid
= gid
;
3902 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_chown_continue_internal
, chown_data
, free
, 0) != 0) {
3903 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
3914 int nfs_fchown_async(struct nfs_context
*nfs
, struct nfsfh
*nfsfh
, int uid
, int gid
, nfs_cb cb
, void *private_data
)
3916 struct nfs_cb_data
*data
;
3917 struct nfs_chown_data
*chown_data
;
3919 chown_data
= malloc(sizeof(struct nfs_chown_data
));
3920 if (chown_data
== NULL
) {
3921 rpc_set_error(nfs
->rpc
, "Failed to allocate memory for chown data structure");
3925 chown_data
->uid
= uid
;
3926 chown_data
->gid
= gid
;
3928 data
= malloc(sizeof(struct nfs_cb_data
));
3930 rpc_set_error(nfs
->rpc
, "out of memory. failed to allocate memory for fchown data");
3934 memset(data
, 0, sizeof(struct nfs_cb_data
));
3937 data
->private_data
= private_data
;
3938 data
->continue_data
= chown_data
;
3939 data
->free_continue_data
= free
;
3940 data
->fh
.data
.data_len
= nfsfh
->fh
.data
.data_len
;
3941 data
->fh
.data
.data_val
= malloc(data
->fh
.data
.data_len
);
3942 if (data
->fh
.data
.data_val
== NULL
) {
3943 rpc_set_error(nfs
->rpc
, "Out of memory: Failed to allocate fh");
3944 free_nfs_cb_data(data
);
3947 memcpy(data
->fh
.data
.data_val
, nfsfh
->fh
.data
.data_val
, data
->fh
.data
.data_len
);
3949 if (nfs_chown_continue_internal(nfs
, NULL
, data
) != 0) {
3963 static void nfs_utimes_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
3965 struct nfs_cb_data
*data
= private_data
;
3966 struct nfs_context
*nfs
= data
->nfs
;
3969 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
3971 if (status
== RPC_STATUS_ERROR
) {
3972 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
3973 free_nfs_cb_data(data
);
3976 if (status
== RPC_STATUS_CANCEL
) {
3977 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
3978 free_nfs_cb_data(data
);
3983 if (res
->status
!= NFS3_OK
) {
3984 rpc_set_error(nfs
->rpc
, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res
->status
), nfsstat3_to_errno(res
->status
));
3985 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
3986 free_nfs_cb_data(data
);
3990 data
->cb(0, nfs
, NULL
, data
->private_data
);
3991 free_nfs_cb_data(data
);
3994 static int nfs_utimes_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
3997 struct timeval
*utimes_data
= data
->continue_data
;
3999 memset(&args
, 0, sizeof(SETATTR3args
));
4000 args
.object
= data
->fh
;
4001 if (utimes_data
!= NULL
) {
4002 args
.new_attributes
.atime
.set_it
= SET_TO_CLIENT_TIME
;
4003 args
.new_attributes
.atime
.set_atime_u
.atime
.seconds
= utimes_data
[0].tv_sec
;
4004 args
.new_attributes
.atime
.set_atime_u
.atime
.nseconds
= utimes_data
[0].tv_usec
* 1000;
4005 args
.new_attributes
.mtime
.set_it
= SET_TO_CLIENT_TIME
;
4006 args
.new_attributes
.mtime
.set_mtime_u
.mtime
.seconds
= utimes_data
[1].tv_sec
;
4007 args
.new_attributes
.mtime
.set_mtime_u
.mtime
.nseconds
= utimes_data
[1].tv_usec
* 1000;
4009 args
.new_attributes
.atime
.set_it
= SET_TO_SERVER_TIME
;
4010 args
.new_attributes
.mtime
.set_it
= SET_TO_SERVER_TIME
;
4013 if (rpc_nfs3_setattr_async(nfs
->rpc
, nfs_utimes_cb
, &args
, data
) != 0) {
4014 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SETATTR call for %s", data
->path
);
4015 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4016 free_nfs_cb_data(data
);
4023 int nfs_utimes_async(struct nfs_context
*nfs
, const char *path
, struct timeval
*times
, nfs_cb cb
, void *private_data
)
4025 struct timeval
*new_times
= NULL
;
4027 if (times
!= NULL
) {
4028 new_times
= malloc(sizeof(struct timeval
)*2);
4029 if (new_times
== NULL
) {
4030 rpc_set_error(nfs
->rpc
, "Failed to allocate memory for timeval structure");
4034 memcpy(new_times
, times
, sizeof(struct timeval
)*2);
4037 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_utimes_continue_internal
, new_times
, free
, 0) != 0) {
4038 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
4048 int nfs_utime_async(struct nfs_context
*nfs
, const char *path
, struct utimbuf
*times
, nfs_cb cb
, void *private_data
)
4050 struct timeval
*new_times
= NULL
;
4052 if (times
!= NULL
) {
4053 new_times
= malloc(sizeof(struct timeval
)*2);
4054 if (new_times
== NULL
) {
4055 rpc_set_error(nfs
->rpc
, "Failed to allocate memory for timeval structure");
4059 new_times
[0].tv_sec
= times
->actime
;
4060 new_times
[0].tv_usec
= 0;
4061 new_times
[1].tv_sec
= times
->modtime
;
4062 new_times
[1].tv_usec
= 0;
4065 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_utimes_continue_internal
, new_times
, free
, 0) != 0) {
4066 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
4077 static void nfs_access_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
4080 struct nfs_cb_data
*data
= private_data
;
4081 struct nfs_context
*nfs
= data
->nfs
;
4082 unsigned int nfsmode
= 0;
4084 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
4086 if (status
== RPC_STATUS_ERROR
) {
4087 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
4088 free_nfs_cb_data(data
);
4091 if (status
== RPC_STATUS_CANCEL
) {
4092 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
4093 free_nfs_cb_data(data
);
4098 if (res
->status
!= NFS3_OK
) {
4099 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
));
4100 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4101 free_nfs_cb_data(data
);
4105 if (data
->continue_int
& R_OK
) {
4106 nfsmode
|= ACCESS3_READ
;
4108 if (data
->continue_int
& W_OK
) {
4109 nfsmode
|= ACCESS3_MODIFY
;
4111 if (data
->continue_int
& X_OK
) {
4112 nfsmode
|= ACCESS3_EXECUTE
;
4115 if (res
->ACCESS3res_u
.resok
.access
!= nfsmode
) {
4116 rpc_set_error(nfs
->rpc
, "NFS: ACCESS denied. Required access %c%c%c. Allowed access %c%c%c",
4117 nfsmode
&ACCESS3_READ
?'r':'-',
4118 nfsmode
&ACCESS3_MODIFY
?'w':'-',
4119 nfsmode
&ACCESS3_EXECUTE
?'x':'-',
4120 res
->ACCESS3res_u
.resok
.access
&ACCESS3_READ
?'r':'-',
4121 res
->ACCESS3res_u
.resok
.access
&ACCESS3_MODIFY
?'w':'-',
4122 res
->ACCESS3res_u
.resok
.access
&ACCESS3_EXECUTE
?'x':'-');
4123 data
->cb(-EACCES
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4124 free_nfs_cb_data(data
);
4128 data
->cb(0, nfs
, NULL
, data
->private_data
);
4129 free_nfs_cb_data(data
);
4132 static int nfs_access_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
4137 if (data
->continue_int
& R_OK
) {
4138 nfsmode
|= ACCESS3_READ
;
4140 if (data
->continue_int
& W_OK
) {
4141 nfsmode
|= ACCESS3_MODIFY
;
4143 if (data
->continue_int
& X_OK
) {
4144 nfsmode
|= ACCESS3_EXECUTE
;
4147 memset(&args
, 0, sizeof(ACCESS3args
));
4148 args
.object
= data
->fh
;
4149 args
.access
= nfsmode
;
4151 if (rpc_nfs3_access_async(nfs
->rpc
, nfs_access_cb
, &args
, data
) != 0) {
4152 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send OPEN ACCESS call for %s", data
->path
);
4153 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4154 free_nfs_cb_data(data
);
4160 int nfs_access_async(struct nfs_context
*nfs
, const char *path
, int mode
, nfs_cb cb
, void *private_data
)
4162 if (nfs_lookuppath_async(nfs
, path
, cb
, private_data
, nfs_access_continue_internal
, NULL
, NULL
, mode
) != 0) {
4163 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
4175 struct nfs_symlink_data
{
4177 char *newpathparent
;
4178 char *newpathobject
;
4181 static void free_nfs_symlink_data(void *mem
)
4183 struct nfs_symlink_data
*data
= mem
;
4185 if (data
->oldpath
!= NULL
) {
4186 free(data
->oldpath
);
4188 if (data
->newpathparent
!= NULL
) {
4189 free(data
->newpathparent
);
4191 if (data
->newpathobject
!= NULL
) {
4192 free(data
->newpathobject
);
4197 static void nfs_symlink_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
4200 struct nfs_cb_data
*data
= private_data
;
4201 struct nfs_context
*nfs
= data
->nfs
;
4202 struct nfs_symlink_data
*symlink_data
= data
->continue_data
;
4204 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
4206 if (status
== RPC_STATUS_ERROR
) {
4207 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
4208 free_nfs_cb_data(data
);
4211 if (status
== RPC_STATUS_CANCEL
) {
4212 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
4213 free_nfs_cb_data(data
);
4218 if (res
->status
!= NFS3_OK
) {
4219 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
));
4220 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4221 free_nfs_cb_data(data
);
4225 data
->cb(0, nfs
, NULL
, data
->private_data
);
4226 free_nfs_cb_data(data
);
4229 static int nfs_symlink_continue_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
4231 struct nfs_symlink_data
*symlink_data
= data
->continue_data
;
4234 memset(&args
, 0, sizeof(SYMLINK3args
));
4235 args
.where
.dir
= data
->fh
;
4236 args
.where
.name
= symlink_data
->newpathobject
;
4237 args
.symlink
.symlink_attributes
.mode
.set_it
= 1;
4238 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
;
4239 args
.symlink
.symlink_data
= symlink_data
->oldpath
;
4241 if (rpc_nfs3_symlink_async(nfs
->rpc
, nfs_symlink_cb
, &args
, data
) != 0) {
4242 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send SYMLINK call for %s", data
->path
);
4243 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4244 free_nfs_cb_data(data
);
4250 int nfs_symlink_async(struct nfs_context
*nfs
, const char *oldpath
, const char *newpath
, nfs_cb cb
, void *private_data
)
4253 struct nfs_symlink_data
*symlink_data
;
4255 symlink_data
= malloc(sizeof(struct nfs_symlink_data
));
4256 if (symlink_data
== NULL
) {
4257 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for symlink data");
4260 memset(symlink_data
, 0, sizeof(struct nfs_symlink_data
));
4262 symlink_data
->oldpath
= strdup(oldpath
);
4263 if (symlink_data
->oldpath
== NULL
) {
4264 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for oldpath");
4265 free_nfs_symlink_data(symlink_data
);
4269 symlink_data
->newpathparent
= strdup(newpath
);
4270 if (symlink_data
->newpathparent
== NULL
) {
4271 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for new path");
4272 free_nfs_symlink_data(symlink_data
);
4276 ptr
= strrchr(symlink_data
->newpathparent
, '/');
4278 rpc_set_error(nfs
->rpc
, "Invalid path %s", oldpath
);
4279 free_nfs_symlink_data(symlink_data
);
4285 symlink_data
->newpathobject
= strdup(ptr
);
4286 if (symlink_data
->newpathobject
== NULL
) {
4287 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate mode buffer for new path");
4288 free_nfs_symlink_data(symlink_data
);
4292 if (nfs_lookuppath_async(nfs
, symlink_data
->newpathparent
, cb
, private_data
, nfs_symlink_continue_internal
, symlink_data
, free_nfs_symlink_data
, 0) != 0) {
4293 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
4305 struct nfs_rename_data
{
4308 struct nfs_fh3 olddir
;
4311 struct nfs_fh3 newdir
;
4314 static void free_nfs_rename_data(void *mem
)
4316 struct nfs_rename_data
*data
= mem
;
4318 if (data
->oldpath
!= NULL
) {
4319 free(data
->oldpath
);
4321 if (data
->olddir
.data
.data_val
!= NULL
) {
4322 free(data
->olddir
.data
.data_val
);
4324 if (data
->newpath
!= NULL
) {
4325 free(data
->newpath
);
4327 if (data
->newdir
.data
.data_val
!= NULL
) {
4328 free(data
->newdir
.data
.data_val
);
4333 static void nfs_rename_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
4336 struct nfs_cb_data
*data
= private_data
;
4337 struct nfs_context
*nfs
= data
->nfs
;
4338 struct nfs_rename_data
*rename_data
= data
->continue_data
;
4340 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
4342 if (status
== RPC_STATUS_ERROR
) {
4343 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
4344 free_nfs_cb_data(data
);
4347 if (status
== RPC_STATUS_CANCEL
) {
4348 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
4349 free_nfs_cb_data(data
);
4354 if (res
->status
!= NFS3_OK
) {
4355 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
));
4356 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4357 free_nfs_cb_data(data
);
4361 data
->cb(0, nfs
, NULL
, data
->private_data
);
4362 free_nfs_cb_data(data
);
4365 static int nfs_rename_continue_2_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
4367 struct nfs_rename_data
*rename_data
= data
->continue_data
;
4370 /* steal the filehandle */
4371 rename_data
->newdir
= data
->fh
;
4372 data
->fh
.data
.data_val
= NULL
;
4374 args
.from
.dir
= rename_data
->olddir
;
4375 args
.from
.name
= rename_data
->oldobject
;
4376 args
.to
.dir
= rename_data
->newdir
;
4377 args
.to
.name
= rename_data
->newobject
;
4378 if (rpc_nfs3_rename_async(nfs
->rpc
, nfs_rename_cb
, &args
, data
) != 0) {
4379 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send RENAME call for %s", data
->path
);
4380 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4381 free_nfs_cb_data(data
);
4388 static int nfs_rename_continue_1_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
4390 struct nfs_rename_data
*rename_data
= data
->continue_data
;
4391 char* newpath
= strdup(rename_data
->newpath
);
4393 rpc_set_error(nfs
->rpc
, "Out of memory. Could not allocate memory to store target path for rename");
4394 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4395 free_nfs_cb_data(data
);
4399 /* steal the filehandle */
4400 rename_data
->olddir
= data
->fh
;
4401 data
->fh
.data
.data_val
= NULL
;
4403 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) {
4404 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send LOOKUP call for %s", newpath
);
4405 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4406 free_nfs_cb_data(data
);
4410 data
->continue_data
= NULL
;
4411 free_nfs_cb_data(data
);
4418 int nfs_rename_async(struct nfs_context
*nfs
, const char *oldpath
, const char *newpath
, nfs_cb cb
, void *private_data
)
4421 struct nfs_rename_data
*rename_data
;
4423 rename_data
= malloc(sizeof(struct nfs_rename_data
));
4424 if (rename_data
== NULL
) {
4425 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for rename data");
4428 memset(rename_data
, 0, sizeof(struct nfs_rename_data
));
4430 rename_data
->oldpath
= strdup(oldpath
);
4431 if (rename_data
->oldpath
== NULL
) {
4432 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for oldpath");
4433 free_nfs_rename_data(rename_data
);
4436 ptr
= strrchr(rename_data
->oldpath
, '/');
4438 rpc_set_error(nfs
->rpc
, "Invalid path %s", oldpath
);
4439 free_nfs_rename_data(rename_data
);
4444 rename_data
->oldobject
= ptr
;
4447 rename_data
->newpath
= strdup(newpath
);
4448 if (rename_data
->newpath
== NULL
) {
4449 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for newpath");
4450 free_nfs_rename_data(rename_data
);
4453 ptr
= strrchr(rename_data
->newpath
, '/');
4455 rpc_set_error(nfs
->rpc
, "Invalid path %s", newpath
);
4456 free_nfs_rename_data(rename_data
);
4461 rename_data
->newobject
= ptr
;
4464 if (nfs_lookuppath_async(nfs
, rename_data
->oldpath
, cb
, private_data
, nfs_rename_continue_1_internal
, rename_data
, free_nfs_rename_data
, 0) != 0) {
4465 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
4476 struct nfs_link_data
{
4478 struct nfs_fh3 oldfh
;
4481 struct nfs_fh3 newdir
;
4484 static void free_nfs_link_data(void *mem
)
4486 struct nfs_link_data
*data
= mem
;
4488 if (data
->oldpath
!= NULL
) {
4489 free(data
->oldpath
);
4491 if (data
->oldfh
.data
.data_val
!= NULL
) {
4492 free(data
->oldfh
.data
.data_val
);
4494 if (data
->newpath
!= NULL
) {
4495 free(data
->newpath
);
4497 if (data
->newdir
.data
.data_val
!= NULL
) {
4498 free(data
->newdir
.data
.data_val
);
4503 static void nfs_link_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
4506 struct nfs_cb_data
*data
= private_data
;
4507 struct nfs_context
*nfs
= data
->nfs
;
4508 struct nfs_link_data
*link_data
= data
->continue_data
;
4510 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
4512 if (status
== RPC_STATUS_ERROR
) {
4513 data
->cb(-EFAULT
, nfs
, command_data
, data
->private_data
);
4514 free_nfs_cb_data(data
);
4517 if (status
== RPC_STATUS_CANCEL
) {
4518 data
->cb(-EINTR
, nfs
, "Command was cancelled", data
->private_data
);
4519 free_nfs_cb_data(data
);
4524 if (res
->status
!= NFS3_OK
) {
4525 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
));
4526 data
->cb(nfsstat3_to_errno(res
->status
), nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4527 free_nfs_cb_data(data
);
4531 data
->cb(0, nfs
, NULL
, data
->private_data
);
4532 free_nfs_cb_data(data
);
4535 static int nfs_link_continue_2_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
4537 struct nfs_link_data
*link_data
= data
->continue_data
;
4540 /* steal the filehandle */
4541 link_data
->newdir
= data
->fh
;
4542 data
->fh
.data
.data_val
= NULL
;
4544 memset(&args
, 0, sizeof(LINK3args
));
4545 args
.file
= link_data
->oldfh
;
4546 args
.link
.dir
= link_data
->newdir
;
4547 args
.link
.name
= link_data
->newobject
;
4548 if (rpc_nfs3_link_async(nfs
->rpc
, nfs_link_cb
, &args
, data
) != 0) {
4549 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send LINK call for %s", data
->path
);
4550 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4551 free_nfs_cb_data(data
);
4558 static int nfs_link_continue_1_internal(struct nfs_context
*nfs
, fattr3
*attr _U_
, struct nfs_cb_data
*data
)
4560 struct nfs_link_data
*link_data
= data
->continue_data
;
4562 /* steal the filehandle */
4563 link_data
->oldfh
= data
->fh
;
4564 data
->fh
.data
.data_val
= NULL
;
4566 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) {
4567 rpc_set_error(nfs
->rpc
, "RPC error: Failed to send LOOKUP call for %s", link_data
->newpath
);
4568 data
->cb(-ENOMEM
, nfs
, rpc_get_error(nfs
->rpc
), data
->private_data
);
4569 free_nfs_cb_data(data
);
4572 data
->continue_data
= NULL
;
4573 free_nfs_cb_data(data
);
4579 int nfs_link_async(struct nfs_context
*nfs
, const char *oldpath
, const char *newpath
, nfs_cb cb
, void *private_data
)
4582 struct nfs_link_data
*link_data
;
4584 link_data
= malloc(sizeof(struct nfs_link_data
));
4585 if (link_data
== NULL
) {
4586 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for link data");
4589 memset(link_data
, 0, sizeof(struct nfs_link_data
));
4591 link_data
->oldpath
= strdup(oldpath
);
4592 if (link_data
->oldpath
== NULL
) {
4593 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for oldpath");
4594 free_nfs_link_data(link_data
);
4598 link_data
->newpath
= strdup(newpath
);
4599 if (link_data
->newpath
== NULL
) {
4600 rpc_set_error(nfs
->rpc
, "Out of memory, failed to allocate buffer for newpath");
4601 free_nfs_link_data(link_data
);
4604 ptr
= strrchr(link_data
->newpath
, '/');
4606 rpc_set_error(nfs
->rpc
, "Invalid path %s", newpath
);
4607 free_nfs_link_data(link_data
);
4612 link_data
->newobject
= ptr
;
4615 if (nfs_lookuppath_async(nfs
, link_data
->oldpath
, cb
, private_data
, nfs_link_continue_1_internal
, link_data
, free_nfs_link_data
, 0) != 0) {
4616 rpc_set_error(nfs
->rpc
, "Out of memory: failed to start parsing the path components");
4624 //qqq replace later with lseek()
4625 uint64_t nfs_get_current_offset(struct nfsfh
*nfsfh
)
4627 return nfsfh
->offset
;
4633 * Get the maximum supported READ3 size by the server
4635 uint64_t nfs_get_readmax(struct nfs_context
*nfs
)
4637 return nfs
->readmax
;
4641 * Get the maximum supported WRITE3 size by the server
4643 uint64_t nfs_get_writemax(struct nfs_context
*nfs
)
4645 return nfs
->writemax
;
4648 void nfs_set_tcp_syncnt(struct nfs_context
*nfs
, int v
) {
4649 rpc_set_tcp_syncnt(nfs
->rpc
, v
);
4652 void nfs_set_uid(struct nfs_context
*nfs
, int uid
) {
4653 rpc_set_uid(nfs
->rpc
, uid
);
4656 void nfs_set_gid(struct nfs_context
*nfs
, int gid
) {
4657 rpc_set_gid(nfs
->rpc
, gid
);
4660 void nfs_set_readahead(struct nfs_context
*nfs
, uint32_t v
) {
4661 rpc_set_readahead(nfs
->rpc
, v
);
4664 void nfs_set_error(struct nfs_context
*nfs
, char *error_string
, ...)
4669 va_start(ap
, error_string
);
4671 vsnprintf(str
, 1024, error_string
, ap
);
4672 if (nfs
->rpc
->error_string
!= NULL
) {
4673 free(nfs
->rpc
->error_string
);
4675 nfs
->rpc
->error_string
= str
;
4681 struct mount_cb_data
{
4687 static void free_mount_cb_data(struct mount_cb_data
*data
)
4689 if (data
->server
!= NULL
) {
4691 data
->server
= NULL
;
4697 static void mount_export_5_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
4699 struct mount_cb_data
*data
= private_data
;
4701 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
4703 if (status
== RPC_STATUS_ERROR
) {
4704 data
->cb(rpc
, -EFAULT
, command_data
, data
->private_data
);
4705 free_mount_cb_data(data
);
4708 if (status
== RPC_STATUS_CANCEL
) {
4709 data
->cb(rpc
, -EINTR
, "Command was cancelled", data
->private_data
);
4710 free_mount_cb_data(data
);
4714 data
->cb(rpc
, 0, command_data
, data
->private_data
);
4715 if (rpc_disconnect(rpc
, "normal disconnect") != 0) {
4716 rpc_set_error(rpc
, "Failed to disconnect\n");
4718 free_mount_cb_data(data
);
4721 static void mount_export_4_cb(struct rpc_context
*rpc
, int status
, void *command_data
, void *private_data
)
4723 struct mount_cb_data
*data
= private_data
;
4725 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
4727 /* Dont want any more callbacks even if the socket is closed */
4728 rpc
->connect_cb
= NULL
;
4730 if (status
== RPC_STATUS_ERROR
) {
4731 data
->cb(rpc
, -EFAULT
, command_data
, data
->private_data
);
4732 free_mount_cb_data(data
);
4735 if (status
== RPC_STATUS_CANCEL
) {
4736 data
->cb(rpc
, -EINTR
, "Command was cancelled", data
->private_data
);
4737 free_mount_cb_data(data
);
4741 if (rpc_mount3_export_async(rpc
, mount_export_5_cb
, data
) != 0) {
4742 data
->cb(rpc
, -ENOMEM
, command_data
, data
->private_data
);
4743 free_mount_cb_data(data
);
4748 int mount_getexports_async(struct rpc_context
*rpc
, const char *server
, rpc_cb cb
, void *private_data
)
4750 struct mount_cb_data
*data
;
4752 assert(rpc
->magic
== RPC_CONTEXT_MAGIC
);
4754 data
= malloc(sizeof(struct mount_cb_data
));
4758 memset(data
, 0, sizeof(struct mount_cb_data
));
4760 data
->private_data
= private_data
;
4761 data
->server
= strdup(server
);
4762 if (data
->server
== NULL
) {
4763 free_mount_cb_data(data
);
4766 if (rpc_connect_program_async(rpc
, data
->server
, MOUNT_PROGRAM
, MOUNT_V3
, mount_export_4_cb
, data
) != 0) {
4767 rpc_set_error(rpc
, "Failed to start connection");
4768 free_mount_cb_data(data
);
4775 struct rpc_context
*nfs_get_rpc_context(struct nfs_context
*nfs
)
4777 assert(nfs
->rpc
->magic
== RPC_CONTEXT_MAGIC
);
4781 const char *nfs_get_server(struct nfs_context
*nfs
) {
4785 const char *nfs_get_export(struct nfs_context
*nfs
) {
4789 const struct nfs_fh3
*nfs_get_rootfh(struct nfs_context
*nfs
) {
4790 return &nfs
->rootfh
;
4793 struct nfs_fh3
*nfs_get_fh(struct nfsfh
*nfsfh
) {