2 Unix SMB/CIFS implementation.
3 Wrap gpfs calls in vfs functions.
5 Copyright (C) Christian Ambach <cambach1@de.ibm.com> 2006
7 Major code contributions by Chetan Shringarpure <chetan.sh@in.ibm.com>
8 and Gomati Mohanan <gomati.mohanan@in.ibm.com>
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program. If not, see <http://www.gnu.org/licenses/>.
25 #include "smbd/smbd.h"
26 #include "librpc/gen_ndr/ndr_xattr.h"
27 #include "include/smbprofile.h"
28 #include "modules/non_posix_acls.h"
31 #define DBGC_CLASS DBGC_VFS
34 #include "nfs4_acls.h"
36 #include "system/filesys.h"
38 #include "lib/util/tevent_unix.h"
40 struct gpfs_config_data
{
54 static int vfs_gpfs_kernel_flock(vfs_handle_struct
*handle
, files_struct
*fsp
,
55 uint32 share_mode
, uint32 access_mask
)
58 struct gpfs_config_data
*config
;
61 SMB_VFS_HANDLE_GET_DATA(handle
, config
,
62 struct gpfs_config_data
,
65 if(!config
->sharemodes
) {
69 START_PROFILE(syscall_kernel_flock
);
71 kernel_flock(fsp
->fh
->fd
, share_mode
, access_mask
);
73 if (!set_gpfs_sharemode(fsp
, access_mask
, fsp
->share_access
)) {
77 END_PROFILE(syscall_kernel_flock
);
82 static int vfs_gpfs_close(vfs_handle_struct
*handle
, files_struct
*fsp
)
85 struct gpfs_config_data
*config
;
87 SMB_VFS_HANDLE_GET_DATA(handle
, config
,
88 struct gpfs_config_data
,
91 if (config
->sharemodes
&& (fsp
->fh
!= NULL
) && (fsp
->fh
->fd
!= -1)) {
92 set_gpfs_sharemode(fsp
, 0, 0);
95 return SMB_VFS_NEXT_CLOSE(handle
, fsp
);
98 static int vfs_gpfs_setlease(vfs_handle_struct
*handle
, files_struct
*fsp
,
101 struct gpfs_config_data
*config
;
104 SMB_VFS_HANDLE_GET_DATA(handle
, config
,
105 struct gpfs_config_data
,
108 if (linux_set_lease_sighandler(fsp
->fh
->fd
) == -1)
111 START_PROFILE(syscall_linux_setlease
);
113 if (config
->leases
) {
114 ret
= set_gpfs_lease(fsp
->fh
->fd
,leasetype
);
117 END_PROFILE(syscall_linux_setlease
);
122 static int vfs_gpfs_get_real_filename(struct vfs_handle_struct
*handle
,
130 char real_pathname
[PATH_MAX
+1];
133 struct gpfs_config_data
*config
;
135 SMB_VFS_HANDLE_GET_DATA(handle
, config
,
136 struct gpfs_config_data
,
139 if (!config
->getrealfilename
) {
140 return SMB_VFS_NEXT_GET_REAL_FILENAME(handle
, path
, name
,
141 mem_ctx
, found_name
);
144 mangled
= mangle_is_mangled(name
, handle
->conn
->params
);
146 return SMB_VFS_NEXT_GET_REAL_FILENAME(handle
, path
, name
,
147 mem_ctx
, found_name
);
150 full_path
= talloc_asprintf(talloc_tos(), "%s/%s", path
, name
);
151 if (full_path
== NULL
) {
156 buflen
= sizeof(real_pathname
) - 1;
158 result
= smbd_gpfs_get_realfilename_path(full_path
, real_pathname
,
161 TALLOC_FREE(full_path
);
163 if ((result
== -1) && (errno
== ENOSYS
)) {
164 return SMB_VFS_NEXT_GET_REAL_FILENAME(
165 handle
, path
, name
, mem_ctx
, found_name
);
169 DEBUG(10, ("smbd_gpfs_get_realfilename_path returned %s\n",
175 * GPFS does not necessarily null-terminate the returned path
176 * but instead returns the buffer length in buflen.
179 if (buflen
< sizeof(real_pathname
)) {
180 real_pathname
[buflen
] = '\0';
182 real_pathname
[sizeof(real_pathname
)-1] = '\0';
185 DEBUG(10, ("smbd_gpfs_get_realfilename_path: %s/%s -> %s\n",
186 path
, name
, real_pathname
));
188 name
= strrchr_m(real_pathname
, '/');
194 *found_name
= talloc_strdup(mem_ctx
, name
+1);
195 if (*found_name
== NULL
) {
203 static void gpfs_dumpacl(int level
, struct gpfs_acl
*gacl
)
208 DEBUG(0, ("gpfs acl is NULL\n"));
212 DEBUG(level
, ("gpfs acl: nace: %d, type:%d, version:%d, level:%d, len:%d\n",
213 gacl
->acl_nace
, gacl
->acl_type
, gacl
->acl_version
, gacl
->acl_level
, gacl
->acl_len
));
214 for(i
=0; i
<gacl
->acl_nace
; i
++)
216 struct gpfs_ace_v4
*gace
= gacl
->ace_v4
+ i
;
217 DEBUG(level
, ("\tace[%d]: type:%d, flags:0x%x, mask:0x%x, iflags:0x%x, who:%u\n",
218 i
, gace
->aceType
, gace
->aceFlags
, gace
->aceMask
,
219 gace
->aceIFlags
, gace
->aceWho
));
224 * get the ACL from GPFS, allocated on the specified mem_ctx
225 * internally retries when initial buffer was too small
227 * caller needs to cast result to either
228 * raw = yes: struct gpfs_opaque_acl
229 * raw = no: struct gpfs_acl
232 static void *vfs_gpfs_getacl(TALLOC_CTX
*mem_ctx
,
235 const gpfs_aclType_t type
)
246 aclbuf
= talloc_zero_size(mem_ctx
, size
);
247 if (aclbuf
== NULL
) {
253 struct gpfs_opaque_acl
*buf
= (struct gpfs_opaque_acl
*) aclbuf
;
254 buf
->acl_type
= type
;
255 flags
= GPFS_GETACL_NATIVE
;
256 len
= (unsigned int *) &(buf
->acl_buffer_len
);
257 struct_size
= sizeof(struct gpfs_opaque_acl
);
259 struct gpfs_acl
*buf
= (struct gpfs_acl
*) aclbuf
;
260 buf
->acl_type
= type
;
261 flags
= GPFS_GETACL_STRUCT
;
262 len
= &(buf
->acl_len
);
263 struct_size
= sizeof(struct gpfs_acl
);
266 /* set the length of the buffer as input value */
270 ret
= smbd_gpfs_getacl((char *)fname
, flags
, aclbuf
);
271 if ((ret
!= 0) && (errno
== ENOSPC
)) {
273 * get the size needed to accommodate the complete buffer
275 * the value returned only applies to the ACL blob in the
276 * struct so make sure to also have headroom for the first
277 * struct members by adding room for the complete struct
278 * (might be a few bytes too much then)
280 size
= *len
+ struct_size
;
282 DEBUG(10, ("Increasing ACL buffer size to %zu\n", size
));
287 DEBUG(5, ("smbd_gpfs_getacl failed with %s\n",
296 /* Tries to get nfs4 acls and returns SMB ACL allocated.
297 * On failure returns 1 if it got non-NFSv4 ACL to prompt
298 * retry with POSIX ACL checks.
299 * On failure returns -1 if there is system (GPFS) error, check errno.
300 * Returns 0 on success
302 static int gpfs_get_nfs4_acl(TALLOC_CTX
*mem_ctx
, const char *fname
, SMB4ACL_T
**ppacl
)
305 struct gpfs_acl
*gacl
= NULL
;
306 DEBUG(10, ("gpfs_get_nfs4_acl invoked for %s\n", fname
));
309 gacl
= (struct gpfs_acl
*) vfs_gpfs_getacl(talloc_tos(), fname
,
312 DEBUG(9, ("gpfs_getacl failed for %s with %s\n",
313 fname
, strerror(errno
)));
317 if (gacl
->acl_type
!= GPFS_ACL_TYPE_NFS4
) {
318 DEBUG(10, ("Got non-nfsv4 acl\n"));
319 /* Retry with POSIX ACLs check */
324 *ppacl
= smb_create_smb4acl(mem_ctx
);
326 DEBUG(10, ("len: %d, level: %d, version: %d, nace: %d\n",
327 gacl
->acl_len
, gacl
->acl_level
, gacl
->acl_version
,
330 for (i
=0; i
<gacl
->acl_nace
; i
++) {
331 struct gpfs_ace_v4
*gace
= &gacl
->ace_v4
[i
];
332 SMB_ACE4PROP_T smbace
;
333 DEBUG(10, ("type: %d, iflags: %x, flags: %x, mask: %x, "
334 "who: %d\n", gace
->aceType
, gace
->aceIFlags
,
335 gace
->aceFlags
, gace
->aceMask
, gace
->aceWho
));
338 if (gace
->aceIFlags
& ACE4_IFLAG_SPECIAL_ID
) {
339 smbace
.flags
|= SMB_ACE4_ID_SPECIAL
;
340 switch (gace
->aceWho
) {
341 case ACE4_SPECIAL_OWNER
:
342 smbace
.who
.special_id
= SMB_ACE4_WHO_OWNER
;
344 case ACE4_SPECIAL_GROUP
:
345 smbace
.who
.special_id
= SMB_ACE4_WHO_GROUP
;
347 case ACE4_SPECIAL_EVERYONE
:
348 smbace
.who
.special_id
= SMB_ACE4_WHO_EVERYONE
;
351 DEBUG(8, ("invalid special gpfs id %d "
352 "ignored\n", gace
->aceWho
));
353 continue; /* don't add it */
356 if (gace
->aceFlags
& ACE4_FLAG_GROUP_ID
)
357 smbace
.who
.gid
= gace
->aceWho
;
359 smbace
.who
.uid
= gace
->aceWho
;
362 /* remove redundant deny entries */
363 if (i
> 0 && gace
->aceType
== SMB_ACE4_ACCESS_DENIED_ACE_TYPE
) {
364 struct gpfs_ace_v4
*prev
= &gacl
->ace_v4
[i
-1];
365 if (prev
->aceType
== SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE
&&
366 prev
->aceFlags
== gace
->aceFlags
&&
367 prev
->aceIFlags
== gace
->aceIFlags
&&
368 (gace
->aceMask
& prev
->aceMask
) == 0 &&
369 gace
->aceWho
== prev
->aceWho
) {
370 /* it's redundant - skip it */
375 smbace
.aceType
= gace
->aceType
;
376 smbace
.aceFlags
= gace
->aceFlags
;
377 smbace
.aceMask
= gace
->aceMask
;
378 smb_add_ace4(*ppacl
, &smbace
);
386 static NTSTATUS
gpfsacl_fget_nt_acl(vfs_handle_struct
*handle
,
387 files_struct
*fsp
, uint32 security_info
,
389 struct security_descriptor
**ppdesc
)
391 SMB4ACL_T
*pacl
= NULL
;
393 struct gpfs_config_data
*config
;
394 TALLOC_CTX
*frame
= talloc_stackframe();
399 SMB_VFS_HANDLE_GET_DATA(handle
, config
,
400 struct gpfs_config_data
,
401 return NT_STATUS_INTERNAL_ERROR
);
404 status
= SMB_VFS_NEXT_FGET_NT_ACL(handle
, fsp
, security_info
,
410 result
= gpfs_get_nfs4_acl(frame
, fsp
->fsp_name
->base_name
, &pacl
);
413 status
= smb_fget_nt_acl_nfs4(fsp
, security_info
, mem_ctx
,
420 DEBUG(10, ("retrying with posix acl...\n"));
421 status
= posix_fget_nt_acl(fsp
, security_info
,
429 /* GPFS ACL was not read, something wrong happened, error code is set in errno */
430 return map_nt_error_from_unix(errno
);
433 static NTSTATUS
gpfsacl_get_nt_acl(vfs_handle_struct
*handle
,
435 uint32 security_info
,
436 TALLOC_CTX
*mem_ctx
, struct security_descriptor
**ppdesc
)
438 SMB4ACL_T
*pacl
= NULL
;
440 struct gpfs_config_data
*config
;
441 TALLOC_CTX
*frame
= talloc_stackframe();
446 SMB_VFS_HANDLE_GET_DATA(handle
, config
,
447 struct gpfs_config_data
,
448 return NT_STATUS_INTERNAL_ERROR
);
451 status
= SMB_VFS_NEXT_GET_NT_ACL(handle
, name
, security_info
,
457 result
= gpfs_get_nfs4_acl(frame
, name
, &pacl
);
460 status
= smb_get_nt_acl_nfs4(handle
->conn
, name
, security_info
,
461 mem_ctx
, ppdesc
, pacl
);
467 DEBUG(10, ("retrying with posix acl...\n"));
468 status
= posix_get_nt_acl(handle
->conn
, name
, security_info
,
474 /* GPFS ACL was not read, something wrong happened, error code is set in errno */
476 return map_nt_error_from_unix(errno
);
479 static bool gpfsacl_process_smbacl(vfs_handle_struct
*handle
, files_struct
*fsp
, SMB4ACL_T
*smbacl
)
482 gpfs_aclLen_t gacl_len
;
484 struct gpfs_acl
*gacl
;
485 TALLOC_CTX
*mem_ctx
= talloc_tos();
487 gacl_len
= offsetof(gpfs_acl_t
, ace_v4
) + smb_get_naces(smbacl
) *
488 sizeof(gpfs_ace_v4_t
);
490 gacl
= (struct gpfs_acl
*)TALLOC_SIZE(mem_ctx
, gacl_len
);
492 DEBUG(0, ("talloc failed\n"));
497 gacl
->acl_len
= gacl_len
;
499 gacl
->acl_version
= GPFS_ACL_VERSION_NFS4
;
500 gacl
->acl_type
= GPFS_ACL_TYPE_NFS4
;
501 gacl
->acl_nace
= 0; /* change later... */
503 for (smbace
=smb_first_ace4(smbacl
); smbace
!=NULL
; smbace
= smb_next_ace4(smbace
)) {
504 struct gpfs_ace_v4
*gace
= &gacl
->ace_v4
[gacl
->acl_nace
];
505 SMB_ACE4PROP_T
*aceprop
= smb_get_ace4(smbace
);
507 gace
->aceType
= aceprop
->aceType
;
508 gace
->aceFlags
= aceprop
->aceFlags
;
509 gace
->aceMask
= aceprop
->aceMask
;
512 * GPFS can't distinguish between WRITE and APPEND on
513 * files, so one being set without the other is an
514 * error. Sorry for the many ()'s :-)
517 if (!fsp
->is_directory
519 ((((gace
->aceMask
& ACE4_MASK_WRITE
) == 0)
520 && ((gace
->aceMask
& ACE4_MASK_APPEND
) != 0))
522 (((gace
->aceMask
& ACE4_MASK_WRITE
) != 0)
523 && ((gace
->aceMask
& ACE4_MASK_APPEND
) == 0)))
525 lp_parm_bool(fsp
->conn
->params
->service
, "gpfs",
526 "merge_writeappend", True
)) {
527 DEBUG(2, ("vfs_gpfs.c: file [%s]: ACE contains "
528 "WRITE^APPEND, setting WRITE|APPEND\n",
530 gace
->aceMask
|= ACE4_MASK_WRITE
|ACE4_MASK_APPEND
;
533 gace
->aceIFlags
= (aceprop
->flags
&SMB_ACE4_ID_SPECIAL
) ? ACE4_IFLAG_SPECIAL_ID
: 0;
535 if (aceprop
->flags
&SMB_ACE4_ID_SPECIAL
)
537 switch(aceprop
->who
.special_id
)
539 case SMB_ACE4_WHO_EVERYONE
:
540 gace
->aceWho
= ACE4_SPECIAL_EVERYONE
;
542 case SMB_ACE4_WHO_OWNER
:
543 gace
->aceWho
= ACE4_SPECIAL_OWNER
;
545 case SMB_ACE4_WHO_GROUP
:
546 gace
->aceWho
= ACE4_SPECIAL_GROUP
;
549 DEBUG(8, ("unsupported special_id %d\n", aceprop
->who
.special_id
));
550 continue; /* don't add it !!! */
553 /* just only for the type safety... */
554 if (aceprop
->aceFlags
&SMB_ACE4_IDENTIFIER_GROUP
)
555 gace
->aceWho
= aceprop
->who
.gid
;
557 gace
->aceWho
= aceprop
->who
.uid
;
563 ret
= smbd_gpfs_putacl(fsp
->fsp_name
->base_name
,
564 GPFS_PUTACL_STRUCT
| GPFS_ACL_SAMBA
, gacl
);
566 DEBUG(8, ("gpfs_putacl failed with %s\n", strerror(errno
)));
567 gpfs_dumpacl(8, gacl
);
571 DEBUG(10, ("gpfs_putacl succeeded\n"));
575 static NTSTATUS
gpfsacl_set_nt_acl_internal(vfs_handle_struct
*handle
, files_struct
*fsp
, uint32 security_info_sent
, const struct security_descriptor
*psd
)
577 struct gpfs_acl
*acl
;
578 NTSTATUS result
= NT_STATUS_ACCESS_DENIED
;
580 acl
= (struct gpfs_acl
*) vfs_gpfs_getacl(talloc_tos(),
581 fsp
->fsp_name
->base_name
,
584 return map_nt_error_from_unix(errno
);
587 if (acl
->acl_version
== GPFS_ACL_VERSION_NFS4
) {
588 if (lp_parm_bool(fsp
->conn
->params
->service
, "gpfs",
589 "refuse_dacl_protected", false)
590 && (psd
->type
&SEC_DESC_DACL_PROTECTED
)) {
591 DEBUG(2, ("Rejecting unsupported ACL with DACL_PROTECTED bit set\n"));
593 return NT_STATUS_NOT_SUPPORTED
;
596 result
= smb_set_nt_acl_nfs4(handle
,
597 fsp
, security_info_sent
, psd
,
598 gpfsacl_process_smbacl
);
599 } else { /* assume POSIX ACL - by default... */
600 result
= set_nt_acl(fsp
, security_info_sent
, psd
);
607 static NTSTATUS
gpfsacl_fset_nt_acl(vfs_handle_struct
*handle
, files_struct
*fsp
, uint32 security_info_sent
, const struct security_descriptor
*psd
)
609 struct gpfs_config_data
*config
;
611 SMB_VFS_HANDLE_GET_DATA(handle
, config
,
612 struct gpfs_config_data
,
613 return NT_STATUS_INTERNAL_ERROR
);
616 return SMB_VFS_NEXT_FSET_NT_ACL(handle
, fsp
, security_info_sent
, psd
);
619 return gpfsacl_set_nt_acl_internal(handle
, fsp
, security_info_sent
, psd
);
622 static SMB_ACL_T
gpfs2smb_acl(const struct gpfs_acl
*pacl
, TALLOC_CTX
*mem_ctx
)
627 result
= sys_acl_init(mem_ctx
);
628 if (result
== NULL
) {
633 result
->count
= pacl
->acl_nace
;
634 result
->acl
= talloc_realloc(result
, result
->acl
, struct smb_acl_entry
,
636 if (result
->acl
== NULL
) {
642 for (i
=0; i
<pacl
->acl_nace
; i
++) {
643 struct smb_acl_entry
*ace
= &result
->acl
[i
];
644 const struct gpfs_ace_v1
*g_ace
= &pacl
->ace_v1
[i
];
646 DEBUG(10, ("Converting type %d id %lu perm %x\n",
647 (int)g_ace
->ace_type
, (unsigned long)g_ace
->ace_who
,
648 (int)g_ace
->ace_perm
));
650 switch (g_ace
->ace_type
) {
652 ace
->a_type
= SMB_ACL_USER
;
653 ace
->info
.user
.uid
= (uid_t
)g_ace
->ace_who
;
655 case GPFS_ACL_USER_OBJ
:
656 ace
->a_type
= SMB_ACL_USER_OBJ
;
659 ace
->a_type
= SMB_ACL_GROUP
;
660 ace
->info
.group
.gid
= (gid_t
)g_ace
->ace_who
;
662 case GPFS_ACL_GROUP_OBJ
:
663 ace
->a_type
= SMB_ACL_GROUP_OBJ
;
666 ace
->a_type
= SMB_ACL_OTHER
;
669 ace
->a_type
= SMB_ACL_MASK
;
672 DEBUG(10, ("Got invalid ace_type: %d\n",
680 ace
->a_perm
|= (g_ace
->ace_perm
& ACL_PERM_READ
) ?
682 ace
->a_perm
|= (g_ace
->ace_perm
& ACL_PERM_WRITE
) ?
684 ace
->a_perm
|= (g_ace
->ace_perm
& ACL_PERM_EXECUTE
) ?
687 DEBUGADD(10, ("Converted to %d perm %x\n",
688 ace
->a_type
, ace
->a_perm
));
694 static SMB_ACL_T
gpfsacl_get_posix_acl(const char *path
, gpfs_aclType_t type
,
697 struct gpfs_acl
*pacl
;
698 SMB_ACL_T result
= NULL
;
700 pacl
= vfs_gpfs_getacl(talloc_tos(), path
, false, type
);
703 DEBUG(10, ("vfs_gpfs_getacl failed for %s with %s\n",
704 path
, strerror(errno
)));
711 if (pacl
->acl_version
!= GPFS_ACL_VERSION_POSIX
) {
712 DEBUG(10, ("Got acl version %d, expected %d\n",
713 pacl
->acl_version
, GPFS_ACL_VERSION_POSIX
));
718 DEBUG(10, ("len: %d, level: %d, version: %d, nace: %d\n",
719 pacl
->acl_len
, pacl
->acl_level
, pacl
->acl_version
,
722 result
= gpfs2smb_acl(pacl
, mem_ctx
);
723 if (result
!= NULL
) {
738 static SMB_ACL_T
gpfsacl_sys_acl_get_file(vfs_handle_struct
*handle
,
743 gpfs_aclType_t gpfs_type
;
744 struct gpfs_config_data
*config
;
746 SMB_VFS_HANDLE_GET_DATA(handle
, config
,
747 struct gpfs_config_data
,
751 return SMB_VFS_NEXT_SYS_ACL_GET_FILE(handle
, path_p
,
756 case SMB_ACL_TYPE_ACCESS
:
757 gpfs_type
= GPFS_ACL_TYPE_ACCESS
;
759 case SMB_ACL_TYPE_DEFAULT
:
760 gpfs_type
= GPFS_ACL_TYPE_DEFAULT
;
763 DEBUG(0, ("Got invalid type: %d\n", type
));
764 smb_panic("exiting");
767 return gpfsacl_get_posix_acl(path_p
, gpfs_type
, mem_ctx
);
770 static SMB_ACL_T
gpfsacl_sys_acl_get_fd(vfs_handle_struct
*handle
,
774 struct gpfs_config_data
*config
;
776 SMB_VFS_HANDLE_GET_DATA(handle
, config
,
777 struct gpfs_config_data
,
781 return SMB_VFS_NEXT_SYS_ACL_GET_FD(handle
, fsp
, mem_ctx
);
784 return gpfsacl_get_posix_acl(fsp
->fsp_name
->base_name
,
785 GPFS_ACL_TYPE_ACCESS
, mem_ctx
);
788 static int gpfsacl_sys_acl_blob_get_file(vfs_handle_struct
*handle
,
791 char **blob_description
,
794 struct gpfs_config_data
*config
;
795 struct gpfs_opaque_acl
*acl
= NULL
;
799 SMB_VFS_HANDLE_GET_DATA(handle
, config
,
800 struct gpfs_config_data
,
804 return SMB_VFS_NEXT_SYS_ACL_BLOB_GET_FILE(handle
, path_p
,
811 acl
= (struct gpfs_opaque_acl
*)
812 vfs_gpfs_getacl(mem_ctx
,
818 DEBUG(5, ("vfs_gpfs_getacl finished with errno %d: %s\n",
819 errno
, strerror(errno
)));
821 /* EINVAL means POSIX ACL, bail out on other cases */
822 if (errno
!= EINVAL
) {
831 * we only need the actual ACL blob here
832 * acl_version will always be NFS4 because we asked
834 * acl_type is only used for POSIX ACLs
836 aclblob
.data
= (uint8_t*) acl
->acl_var_data
;
837 aclblob
.length
= acl
->acl_buffer_len
;
839 *blob_description
= talloc_strdup(mem_ctx
, "gpfs_nfs4_acl");
840 if (!*blob_description
) {
846 result
= non_posix_sys_acl_blob_get_file_helper(handle
, path_p
,
854 /* fall back to POSIX ACL */
855 return posix_sys_acl_blob_get_file(handle
, path_p
, mem_ctx
,
856 blob_description
, blob
);
859 static int gpfsacl_sys_acl_blob_get_fd(vfs_handle_struct
*handle
,
862 char **blob_description
,
865 struct gpfs_config_data
*config
;
866 struct gpfs_opaque_acl
*acl
= NULL
;
870 SMB_VFS_HANDLE_GET_DATA(handle
, config
,
871 struct gpfs_config_data
,
875 return SMB_VFS_NEXT_SYS_ACL_BLOB_GET_FD(handle
, fsp
, mem_ctx
,
876 blob_description
, blob
);
880 acl
= (struct gpfs_opaque_acl
*) vfs_gpfs_getacl(mem_ctx
,
881 fsp
->fsp_name
->base_name
,
886 DEBUG(5, ("vfs_gpfs_getacl finished with errno %d: %s\n",
887 errno
, strerror(errno
)));
889 /* EINVAL means POSIX ACL, bail out on other cases */
890 if (errno
!= EINVAL
) {
899 * we only need the actual ACL blob here
900 * acl_version will always be NFS4 because we asked
902 * acl_type is only used for POSIX ACLs
904 aclblob
.data
= (uint8_t*) acl
->acl_var_data
;
905 aclblob
.length
= acl
->acl_buffer_len
;
907 *blob_description
= talloc_strdup(mem_ctx
, "gpfs_nfs4_acl");
908 if (!*blob_description
) {
914 result
= non_posix_sys_acl_blob_get_fd_helper(handle
, fsp
,
922 /* fall back to POSIX ACL */
923 return posix_sys_acl_blob_get_fd(handle
, fsp
, mem_ctx
,
924 blob_description
, blob
);
927 static struct gpfs_acl
*smb2gpfs_acl(const SMB_ACL_T pacl
,
931 struct gpfs_acl
*result
;
934 DEBUG(10, ("smb2gpfs_acl: Got ACL with %d entries\n", pacl
->count
));
936 len
= offsetof(gpfs_acl_t
, ace_v1
) + (pacl
->count
) *
937 sizeof(gpfs_ace_v1_t
);
939 result
= (struct gpfs_acl
*)SMB_MALLOC(len
);
940 if (result
== NULL
) {
945 result
->acl_len
= len
;
946 result
->acl_level
= 0;
947 result
->acl_version
= GPFS_ACL_VERSION_POSIX
;
948 result
->acl_type
= (type
== SMB_ACL_TYPE_DEFAULT
) ?
949 GPFS_ACL_TYPE_DEFAULT
: GPFS_ACL_TYPE_ACCESS
;
950 result
->acl_nace
= pacl
->count
;
952 for (i
=0; i
<pacl
->count
; i
++) {
953 const struct smb_acl_entry
*ace
= &pacl
->acl
[i
];
954 struct gpfs_ace_v1
*g_ace
= &result
->ace_v1
[i
];
956 DEBUG(10, ("Converting type %d perm %x\n",
957 (int)ace
->a_type
, (int)ace
->a_perm
));
961 switch(ace
->a_type
) {
963 g_ace
->ace_type
= GPFS_ACL_USER
;
964 g_ace
->ace_who
= (gpfs_uid_t
)ace
->info
.user
.uid
;
966 case SMB_ACL_USER_OBJ
:
967 g_ace
->ace_type
= GPFS_ACL_USER_OBJ
;
968 g_ace
->ace_perm
|= ACL_PERM_CONTROL
;
972 g_ace
->ace_type
= GPFS_ACL_GROUP
;
973 g_ace
->ace_who
= (gpfs_uid_t
)ace
->info
.group
.gid
;
975 case SMB_ACL_GROUP_OBJ
:
976 g_ace
->ace_type
= GPFS_ACL_GROUP_OBJ
;
980 g_ace
->ace_type
= GPFS_ACL_MASK
;
981 g_ace
->ace_perm
= 0x8f;
985 g_ace
->ace_type
= GPFS_ACL_OTHER
;
989 DEBUG(10, ("Got invalid ace_type: %d\n", ace
->a_type
));
995 g_ace
->ace_perm
|= (ace
->a_perm
& SMB_ACL_READ
) ?
997 g_ace
->ace_perm
|= (ace
->a_perm
& SMB_ACL_WRITE
) ?
999 g_ace
->ace_perm
|= (ace
->a_perm
& SMB_ACL_EXECUTE
) ?
1000 ACL_PERM_EXECUTE
: 0;
1002 DEBUGADD(10, ("Converted to %d id %d perm %x\n",
1003 g_ace
->ace_type
, g_ace
->ace_who
, g_ace
->ace_perm
));
1009 static int gpfsacl_sys_acl_set_file(vfs_handle_struct
*handle
,
1011 SMB_ACL_TYPE_T type
,
1014 struct gpfs_acl
*gpfs_acl
;
1016 struct gpfs_config_data
*config
;
1018 SMB_VFS_HANDLE_GET_DATA(handle
, config
,
1019 struct gpfs_config_data
,
1023 return SMB_VFS_NEXT_SYS_ACL_SET_FILE(handle
, name
, type
, theacl
);
1026 gpfs_acl
= smb2gpfs_acl(theacl
, type
);
1027 if (gpfs_acl
== NULL
) {
1031 result
= smbd_gpfs_putacl((char *)name
, GPFS_PUTACL_STRUCT
| GPFS_ACL_SAMBA
, gpfs_acl
);
1033 SAFE_FREE(gpfs_acl
);
1037 static int gpfsacl_sys_acl_set_fd(vfs_handle_struct
*handle
,
1041 struct gpfs_config_data
*config
;
1043 SMB_VFS_HANDLE_GET_DATA(handle
, config
,
1044 struct gpfs_config_data
,
1048 return SMB_VFS_NEXT_SYS_ACL_SET_FD(handle
, fsp
, theacl
);
1051 return gpfsacl_sys_acl_set_file(handle
, fsp
->fsp_name
->base_name
,
1052 SMB_ACL_TYPE_ACCESS
, theacl
);
1055 static int gpfsacl_sys_acl_delete_def_file(vfs_handle_struct
*handle
,
1058 struct gpfs_config_data
*config
;
1060 SMB_VFS_HANDLE_GET_DATA(handle
, config
,
1061 struct gpfs_config_data
,
1065 return SMB_VFS_NEXT_SYS_ACL_DELETE_DEF_FILE(handle
, path
);
1073 * Assumed: mode bits are shiftable and standard
1074 * Output: the new aceMask field for an smb nfs4 ace
1076 static uint32
gpfsacl_mask_filter(uint32 aceType
, uint32 aceMask
, uint32 rwx
)
1078 const uint32 posix_nfs4map
[3] = {
1079 SMB_ACE4_EXECUTE
, /* execute */
1080 SMB_ACE4_WRITE_DATA
| SMB_ACE4_APPEND_DATA
, /* write; GPFS specific */
1081 SMB_ACE4_READ_DATA
/* read */
1084 uint32_t posix_mask
= 0x01;
1088 for(i
=0; i
<3; i
++) {
1089 nfs4_bits
= posix_nfs4map
[i
];
1090 posix_bit
= rwx
& posix_mask
;
1092 if (aceType
==SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE
) {
1094 aceMask
|= nfs4_bits
;
1096 aceMask
&= ~nfs4_bits
;
1098 /* add deny bits when suitable */
1100 aceMask
|= nfs4_bits
;
1102 aceMask
&= ~nfs4_bits
;
1103 } /* other ace types are unexpected */
1111 static int gpfsacl_emu_chmod(vfs_handle_struct
*handle
,
1112 const char *path
, mode_t mode
)
1114 SMB4ACL_T
*pacl
= NULL
;
1116 bool haveAllowEntry
[SMB_ACE4_WHO_EVERYONE
+ 1] = {False
, False
, False
, False
};
1118 files_struct fake_fsp
; /* TODO: rationalize parametrization */
1120 TALLOC_CTX
*frame
= talloc_stackframe();
1123 DEBUG(10, ("gpfsacl_emu_chmod invoked for %s mode %o\n", path
, mode
));
1125 result
= gpfs_get_nfs4_acl(frame
, path
, &pacl
);
1131 if (mode
& ~(S_IRWXU
| S_IRWXG
| S_IRWXO
)) {
1132 DEBUG(2, ("WARNING: cutting extra mode bits %o on %s\n", mode
, path
));
1135 for (smbace
=smb_first_ace4(pacl
); smbace
!=NULL
; smbace
= smb_next_ace4(smbace
)) {
1136 SMB_ACE4PROP_T
*ace
= smb_get_ace4(smbace
);
1137 uint32_t specid
= ace
->who
.special_id
;
1139 if (ace
->flags
&SMB_ACE4_ID_SPECIAL
&&
1140 ace
->aceType
<=SMB_ACE4_ACCESS_DENIED_ACE_TYPE
&&
1141 specid
<= SMB_ACE4_WHO_EVERYONE
) {
1145 if (ace
->aceType
==SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE
)
1146 haveAllowEntry
[specid
] = True
;
1148 /* mode >> 6 for @owner, mode >> 3 for @group,
1149 * mode >> 0 for @everyone */
1150 newMask
= gpfsacl_mask_filter(ace
->aceType
, ace
->aceMask
,
1151 mode
>> ((SMB_ACE4_WHO_EVERYONE
- specid
) * 3));
1152 if (ace
->aceMask
!=newMask
) {
1153 DEBUG(10, ("ace changed for %s (%o -> %o) id=%d\n",
1154 path
, ace
->aceMask
, newMask
, specid
));
1156 ace
->aceMask
= newMask
;
1160 /* make sure we have at least ALLOW entries
1161 * for all the 3 special ids (@EVERYONE, @OWNER, @GROUP)
1164 for(i
= SMB_ACE4_WHO_OWNER
; i
<=SMB_ACE4_WHO_EVERYONE
; i
++) {
1167 if (haveAllowEntry
[i
]==True
)
1171 ace
.aceType
= SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE
;
1172 ace
.flags
|= SMB_ACE4_ID_SPECIAL
;
1173 ace
.who
.special_id
= i
;
1175 if (i
==SMB_ACE4_WHO_GROUP
) /* not sure it's necessary... */
1176 ace
.aceFlags
|= SMB_ACE4_IDENTIFIER_GROUP
;
1178 ace
.aceMask
= gpfsacl_mask_filter(ace
.aceType
, ace
.aceMask
,
1179 mode
>> ((SMB_ACE4_WHO_EVERYONE
- i
) * 3));
1181 /* don't add unnecessary aces */
1185 /* we add it to the END - as windows expects allow aces */
1186 smb_add_ace4(pacl
, &ace
);
1187 DEBUG(10, ("Added ALLOW ace for %s, mode=%o, id=%d, aceMask=%x\n",
1188 path
, mode
, i
, ace
.aceMask
));
1191 /* don't add complementary DENY ACEs here */
1192 ZERO_STRUCT(fake_fsp
);
1193 fake_fsp
.fsp_name
= synthetic_smb_fname(
1194 frame
, path
, NULL
, NULL
);
1195 if (fake_fsp
.fsp_name
== NULL
) {
1201 if (gpfsacl_process_smbacl(handle
, &fake_fsp
, pacl
) == False
) {
1207 return 0; /* ok for [f]chmod */
1210 static int vfs_gpfs_chmod(vfs_handle_struct
*handle
, const char *path
, mode_t mode
)
1212 struct smb_filename
*smb_fname_cpath
;
1215 smb_fname_cpath
= synthetic_smb_fname(talloc_tos(), path
, NULL
, NULL
);
1216 if (smb_fname_cpath
== NULL
) {
1221 if (SMB_VFS_NEXT_STAT(handle
, smb_fname_cpath
) != 0) {
1225 /* avoid chmod() if possible, to preserve acls */
1226 if ((smb_fname_cpath
->st
.st_ex_mode
& ~S_IFMT
) == mode
) {
1230 rc
= gpfsacl_emu_chmod(handle
, path
, mode
);
1232 return SMB_VFS_NEXT_CHMOD(handle
, path
, mode
);
1236 static int vfs_gpfs_fchmod(vfs_handle_struct
*handle
, files_struct
*fsp
, mode_t mode
)
1241 if (SMB_VFS_NEXT_FSTAT(handle
, fsp
, &st
) != 0) {
1245 /* avoid chmod() if possible, to preserve acls */
1246 if ((st
.st_ex_mode
& ~S_IFMT
) == mode
) {
1250 rc
= gpfsacl_emu_chmod(handle
, fsp
->fsp_name
->base_name
,
1253 return SMB_VFS_NEXT_FCHMOD(handle
, fsp
, mode
);
1257 static int gpfs_set_xattr(struct vfs_handle_struct
*handle
, const char *path
,
1258 const char *name
, const void *value
, size_t size
, int flags
){
1259 struct xattr_DOSATTRIB dosattrib
;
1260 enum ndr_err_code ndr_err
;
1262 const char *attrstr
= value
;
1263 unsigned int dosmode
=0;
1264 struct gpfs_winattr attrs
;
1266 struct gpfs_config_data
*config
;
1268 SMB_VFS_HANDLE_GET_DATA(handle
, config
,
1269 struct gpfs_config_data
,
1272 if (!config
->winattr
) {
1273 DEBUG(10, ("gpfs_set_xattr:name is %s -> next\n",name
));
1274 return SMB_VFS_NEXT_SETXATTR(handle
,path
,name
,value
,size
,flags
);
1277 DEBUG(10, ("gpfs_set_xattr: %s \n",path
));
1279 /* Only handle DOS Attributes */
1280 if (strcmp(name
,SAMBA_XATTR_DOS_ATTRIB
) != 0){
1281 DEBUG(5, ("gpfs_set_xattr:name is %s\n",name
));
1282 return SMB_VFS_NEXT_SETXATTR(handle
,path
,name
,value
,size
,flags
);
1285 blob
.data
= (uint8_t *)attrstr
;
1288 ndr_err
= ndr_pull_struct_blob(&blob
, talloc_tos(), &dosattrib
,
1289 (ndr_pull_flags_fn_t
)ndr_pull_xattr_DOSATTRIB
);
1291 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err
)) {
1292 DEBUG(1, ("gpfs_set_xattr: bad ndr decode "
1293 "from EA on file %s: Error = %s\n",
1294 path
, ndr_errstr(ndr_err
)));
1298 if (dosattrib
.version
!= 3) {
1299 DEBUG(1, ("gpfs_set_xattr: expected dosattrib version 3, got "
1300 "%d\n", (int)dosattrib
.version
));
1303 if (!(dosattrib
.info
.info3
.valid_flags
& XATTR_DOSINFO_ATTRIB
)) {
1304 DEBUG(10, ("gpfs_set_xattr: XATTR_DOSINFO_ATTRIB not "
1305 "valid, ignoring\n"));
1309 dosmode
= dosattrib
.info
.info3
.attrib
;
1312 /*Just map RD_ONLY, ARCHIVE, SYSTEM HIDDEN and SPARSE. Ignore the others*/
1313 if (dosmode
& FILE_ATTRIBUTE_ARCHIVE
){
1314 attrs
.winAttrs
|= GPFS_WINATTR_ARCHIVE
;
1316 if (dosmode
& FILE_ATTRIBUTE_HIDDEN
){
1317 attrs
.winAttrs
|= GPFS_WINATTR_HIDDEN
;
1319 if (dosmode
& FILE_ATTRIBUTE_SYSTEM
){
1320 attrs
.winAttrs
|= GPFS_WINATTR_SYSTEM
;
1322 if (dosmode
& FILE_ATTRIBUTE_READONLY
){
1323 attrs
.winAttrs
|= GPFS_WINATTR_READONLY
;
1325 if (dosmode
& FILE_ATTRIBUTE_SPARSE
) {
1326 attrs
.winAttrs
|= GPFS_WINATTR_SPARSE_FILE
;
1330 ret
= set_gpfs_winattrs(discard_const_p(char, path
),
1331 GPFS_WINATTR_SET_ATTRS
, &attrs
);
1333 if (errno
== ENOSYS
) {
1334 return SMB_VFS_NEXT_SETXATTR(handle
, path
, name
, value
,
1338 DEBUG(1, ("gpfs_set_xattr:Set GPFS attributes failed %d\n",ret
));
1342 DEBUG(10, ("gpfs_set_xattr:Set attributes: 0x%x\n",attrs
.winAttrs
));
1346 static ssize_t
gpfs_get_xattr(struct vfs_handle_struct
*handle
, const char *path
,
1347 const char *name
, void *value
, size_t size
){
1348 char *attrstr
= value
;
1349 unsigned int dosmode
= 0;
1350 struct gpfs_winattr attrs
;
1352 struct gpfs_config_data
*config
;
1354 SMB_VFS_HANDLE_GET_DATA(handle
, config
,
1355 struct gpfs_config_data
,
1358 if (!config
->winattr
) {
1359 DEBUG(10, ("gpfs_get_xattr:name is %s -> next\n",name
));
1360 return SMB_VFS_NEXT_GETXATTR(handle
,path
,name
,value
,size
);
1363 DEBUG(10, ("gpfs_get_xattr: %s \n",path
));
1365 /* Only handle DOS Attributes */
1366 if (strcmp(name
,SAMBA_XATTR_DOS_ATTRIB
) != 0){
1367 DEBUG(5, ("gpfs_get_xattr:name is %s\n",name
));
1368 return SMB_VFS_NEXT_GETXATTR(handle
,path
,name
,value
,size
);
1371 ret
= get_gpfs_winattrs(discard_const_p(char, path
), &attrs
);
1373 if (errno
== ENOSYS
) {
1374 return SMB_VFS_NEXT_GETXATTR(handle
, path
, name
, value
,
1378 DEBUG(1, ("gpfs_get_xattr: Get GPFS attributes failed: "
1379 "%d (%s)\n", ret
, strerror(errno
)));
1383 DEBUG(10, ("gpfs_get_xattr:Got attributes: 0x%x\n",attrs
.winAttrs
));
1385 /*Just map RD_ONLY, ARCHIVE, SYSTEM, HIDDEN and SPARSE. Ignore the others*/
1386 if (attrs
.winAttrs
& GPFS_WINATTR_ARCHIVE
){
1387 dosmode
|= FILE_ATTRIBUTE_ARCHIVE
;
1389 if (attrs
.winAttrs
& GPFS_WINATTR_HIDDEN
){
1390 dosmode
|= FILE_ATTRIBUTE_HIDDEN
;
1392 if (attrs
.winAttrs
& GPFS_WINATTR_SYSTEM
){
1393 dosmode
|= FILE_ATTRIBUTE_SYSTEM
;
1395 if (attrs
.winAttrs
& GPFS_WINATTR_READONLY
){
1396 dosmode
|= FILE_ATTRIBUTE_READONLY
;
1398 if (attrs
.winAttrs
& GPFS_WINATTR_SPARSE_FILE
) {
1399 dosmode
|= FILE_ATTRIBUTE_SPARSE
;
1402 snprintf(attrstr
, size
, "0x%2.2x",
1403 (unsigned int)(dosmode
& SAMBA_ATTRIBUTES_MASK
));
1404 DEBUG(10, ("gpfs_get_xattr: returning %s\n",attrstr
));
1408 static int vfs_gpfs_stat(struct vfs_handle_struct
*handle
,
1409 struct smb_filename
*smb_fname
)
1411 struct gpfs_winattr attrs
;
1415 struct gpfs_config_data
*config
;
1417 SMB_VFS_HANDLE_GET_DATA(handle
, config
,
1418 struct gpfs_config_data
,
1421 ret
= SMB_VFS_NEXT_STAT(handle
, smb_fname
);
1426 if (!config
->winattr
) {
1430 status
= get_full_smb_filename(talloc_tos(), smb_fname
, &fname
);
1431 if (!NT_STATUS_IS_OK(status
)) {
1432 errno
= map_errno_from_nt_status(status
);
1435 ret
= get_gpfs_winattrs(discard_const_p(char, fname
), &attrs
);
1438 smb_fname
->st
.st_ex_calculated_birthtime
= false;
1439 smb_fname
->st
.st_ex_btime
.tv_sec
= attrs
.creationTime
.tv_sec
;
1440 smb_fname
->st
.st_ex_btime
.tv_nsec
= attrs
.creationTime
.tv_nsec
;
1441 smb_fname
->st
.vfs_private
= attrs
.winAttrs
;
1446 static int vfs_gpfs_fstat(struct vfs_handle_struct
*handle
,
1447 struct files_struct
*fsp
, SMB_STRUCT_STAT
*sbuf
)
1449 struct gpfs_winattr attrs
;
1451 struct gpfs_config_data
*config
;
1453 SMB_VFS_HANDLE_GET_DATA(handle
, config
,
1454 struct gpfs_config_data
,
1457 ret
= SMB_VFS_NEXT_FSTAT(handle
, fsp
, sbuf
);
1461 if ((fsp
->fh
== NULL
) || (fsp
->fh
->fd
== -1)) {
1464 if (!config
->winattr
) {
1468 ret
= smbd_fget_gpfs_winattrs(fsp
->fh
->fd
, &attrs
);
1470 sbuf
->st_ex_calculated_birthtime
= false;
1471 sbuf
->st_ex_btime
.tv_sec
= attrs
.creationTime
.tv_sec
;
1472 sbuf
->st_ex_btime
.tv_nsec
= attrs
.creationTime
.tv_nsec
;
1477 static int vfs_gpfs_lstat(struct vfs_handle_struct
*handle
,
1478 struct smb_filename
*smb_fname
)
1480 struct gpfs_winattr attrs
;
1484 struct gpfs_config_data
*config
;
1486 SMB_VFS_HANDLE_GET_DATA(handle
, config
,
1487 struct gpfs_config_data
,
1490 ret
= SMB_VFS_NEXT_LSTAT(handle
, smb_fname
);
1494 if (!config
->winattr
) {
1498 status
= get_full_smb_filename(talloc_tos(), smb_fname
, &path
);
1499 if (!NT_STATUS_IS_OK(status
)) {
1500 errno
= map_errno_from_nt_status(status
);
1503 ret
= get_gpfs_winattrs(discard_const_p(char, path
), &attrs
);
1506 smb_fname
->st
.st_ex_calculated_birthtime
= false;
1507 smb_fname
->st
.st_ex_btime
.tv_sec
= attrs
.creationTime
.tv_sec
;
1508 smb_fname
->st
.st_ex_btime
.tv_nsec
= attrs
.creationTime
.tv_nsec
;
1509 smb_fname
->st
.vfs_private
= attrs
.winAttrs
;
1514 static int vfs_gpfs_ntimes(struct vfs_handle_struct
*handle
,
1515 const struct smb_filename
*smb_fname
,
1516 struct smb_file_time
*ft
)
1519 struct gpfs_winattr attrs
;
1523 struct gpfs_config_data
*config
;
1525 SMB_VFS_HANDLE_GET_DATA(handle
, config
,
1526 struct gpfs_config_data
,
1529 ret
= SMB_VFS_NEXT_NTIMES(handle
, smb_fname
, ft
);
1531 /* don't complain if access was denied */
1532 if (errno
!= EPERM
&& errno
!= EACCES
) {
1533 DEBUG(1,("vfs_gpfs_ntimes: SMB_VFS_NEXT_NTIMES failed:"
1534 "%s", strerror(errno
)));
1539 if(null_timespec(ft
->create_time
)){
1540 DEBUG(10,("vfs_gpfs_ntimes:Create Time is NULL\n"));
1544 if (!config
->winattr
) {
1548 status
= get_full_smb_filename(talloc_tos(), smb_fname
, &path
);
1549 if (!NT_STATUS_IS_OK(status
)) {
1550 errno
= map_errno_from_nt_status(status
);
1555 attrs
.creationTime
.tv_sec
= ft
->create_time
.tv_sec
;
1556 attrs
.creationTime
.tv_nsec
= ft
->create_time
.tv_nsec
;
1558 ret
= set_gpfs_winattrs(discard_const_p(char, path
),
1559 GPFS_WINATTR_SET_CREATION_TIME
, &attrs
);
1560 if(ret
== -1 && errno
!= ENOSYS
){
1561 DEBUG(1,("vfs_gpfs_ntimes: set GPFS ntimes failed %d\n",ret
));
1568 static int vfs_gpfs_fallocate(struct vfs_handle_struct
*handle
,
1569 struct files_struct
*fsp
, enum vfs_fallocate_mode mode
,
1570 off_t offset
, off_t len
)
1573 struct gpfs_config_data
*config
;
1575 SMB_VFS_HANDLE_GET_DATA(handle
, config
,
1576 struct gpfs_config_data
,
1579 if (!config
->prealloc
) {
1580 /* you should better not run fallocate() on GPFS at all */
1585 if (mode
== VFS_FALLOCATE_KEEP_SIZE
) {
1586 DEBUG(10, ("Unsupported VFS_FALLOCATE_KEEP_SIZE\n"));
1591 ret
= smbd_gpfs_prealloc(fsp
->fh
->fd
, offset
, len
);
1593 if (ret
== -1 && errno
!= ENOSYS
) {
1594 DEBUG(0, ("GPFS prealloc failed: %s\n", strerror(errno
)));
1595 } else if (ret
== -1 && errno
== ENOSYS
) {
1596 DEBUG(10, ("GPFS prealloc not supported.\n"));
1598 DEBUG(10, ("GPFS prealloc succeeded.\n"));
1604 static int vfs_gpfs_ftruncate(vfs_handle_struct
*handle
, files_struct
*fsp
,
1608 struct gpfs_config_data
*config
;
1610 SMB_VFS_HANDLE_GET_DATA(handle
, config
,
1611 struct gpfs_config_data
,
1614 if (!config
->ftruncate
) {
1615 return SMB_VFS_NEXT_FTRUNCATE(handle
, fsp
, len
);
1618 result
= smbd_gpfs_ftruncate(fsp
->fh
->fd
, len
);
1619 if ((result
== -1) && (errno
== ENOSYS
)) {
1620 return SMB_VFS_NEXT_FTRUNCATE(handle
, fsp
, len
);
1625 static bool vfs_gpfs_is_offline(struct vfs_handle_struct
*handle
,
1626 const struct smb_filename
*fname
,
1627 SMB_STRUCT_STAT
*sbuf
)
1629 struct gpfs_winattr attrs
;
1632 struct gpfs_config_data
*config
;
1634 SMB_VFS_HANDLE_GET_DATA(handle
, config
,
1635 struct gpfs_config_data
,
1638 if (!config
->winattr
) {
1639 return SMB_VFS_NEXT_IS_OFFLINE(handle
, fname
, sbuf
);
1642 status
= get_full_smb_filename(talloc_tos(), fname
, &path
);
1643 if (!NT_STATUS_IS_OK(status
)) {
1644 errno
= map_errno_from_nt_status(status
);
1648 if (VALID_STAT(*sbuf
)) {
1649 attrs
.winAttrs
= sbuf
->vfs_private
;
1652 ret
= get_gpfs_winattrs(path
, &attrs
);
1659 if ((attrs
.winAttrs
& GPFS_WINATTR_OFFLINE
) != 0) {
1660 DEBUG(10, ("%s is offline\n", path
));
1664 DEBUG(10, ("%s is online\n", path
));
1666 return SMB_VFS_NEXT_IS_OFFLINE(handle
, fname
, sbuf
);
1669 static bool vfs_gpfs_aio_force(struct vfs_handle_struct
*handle
,
1670 struct files_struct
*fsp
)
1672 return vfs_gpfs_is_offline(handle
, fsp
->fsp_name
, &fsp
->fsp_name
->st
);
1675 static ssize_t
vfs_gpfs_sendfile(vfs_handle_struct
*handle
, int tofd
,
1676 files_struct
*fsp
, const DATA_BLOB
*hdr
,
1677 off_t offset
, size_t n
)
1679 if ((fsp
->fsp_name
->st
.vfs_private
& GPFS_WINATTR_OFFLINE
) != 0) {
1683 return SMB_VFS_NEXT_SENDFILE(handle
, tofd
, fsp
, hdr
, offset
, n
);
1686 static int vfs_gpfs_connect(struct vfs_handle_struct
*handle
,
1687 const char *service
, const char *user
)
1689 struct gpfs_config_data
*config
;
1692 smbd_gpfs_lib_init();
1694 config
= talloc_zero(handle
->conn
, struct gpfs_config_data
);
1696 DEBUG(0, ("talloc_zero() failed\n"));
1701 ret
= SMB_VFS_NEXT_CONNECT(handle
, service
, user
);
1703 TALLOC_FREE(config
);
1707 config
->sharemodes
= lp_parm_bool(SNUM(handle
->conn
), "gpfs",
1708 "sharemodes", true);
1710 config
->leases
= lp_parm_bool(SNUM(handle
->conn
), "gpfs",
1713 config
->hsm
= lp_parm_bool(SNUM(handle
->conn
), "gpfs",
1716 config
->syncio
= lp_parm_bool(SNUM(handle
->conn
), "gpfs",
1719 config
->winattr
= lp_parm_bool(SNUM(handle
->conn
), "gpfs",
1722 config
->ftruncate
= lp_parm_bool(SNUM(handle
->conn
), "gpfs",
1725 config
->getrealfilename
= lp_parm_bool(SNUM(handle
->conn
), "gpfs",
1726 "getrealfilename", true);
1728 config
->dfreequota
= lp_parm_bool(SNUM(handle
->conn
), "gpfs",
1729 "dfreequota", false);
1731 config
->prealloc
= lp_parm_bool(SNUM(handle
->conn
), "gpfs",
1734 config
->acl
= lp_parm_bool(SNUM(handle
->conn
), "gpfs", "acl", true);
1736 SMB_VFS_HANDLE_SET_DATA(handle
, config
,
1737 NULL
, struct gpfs_config_data
,
1740 if (config
->leases
) {
1742 * GPFS lease code is based on kernel oplock code
1743 * so make sure it is turned on
1745 if (!lp_kernel_oplocks(SNUM(handle
->conn
))) {
1746 DEBUG(5, ("Enabling kernel oplocks for "
1747 "gpfs:leases to work\n"));
1748 lp_do_parameter(SNUM(handle
->conn
), "kernel oplocks",
1753 * as the kernel does not properly support Level II oplocks
1754 * and GPFS leases code is based on kernel infrastructure, we
1755 * need to turn off Level II oplocks if gpfs:leases is enabled
1757 if (lp_level2_oplocks(SNUM(handle
->conn
))) {
1758 DEBUG(5, ("gpfs:leases are enabled, disabling "
1759 "Level II oplocks\n"));
1760 lp_do_parameter(SNUM(handle
->conn
), "level2 oplocks",
1768 static int vfs_gpfs_get_quotas(const char *path
, uid_t uid
, gid_t gid
,
1770 struct gpfs_quotaInfo
*qi_user
,
1771 struct gpfs_quotaInfo
*qi_group
,
1772 struct gpfs_quotaInfo
*qi_fset
)
1779 * We want to always use the directory to get the fileset id,
1780 * because files might have a share mode. We also do not want
1781 * to get the parent directory when there is already a
1782 * directory to avoid stepping in a different fileset. The
1783 * path passed here is currently either "." or a filename, so
1784 * this is ok. The proper solution would be having a way to
1785 * query the fileset id without opening the file.
1787 b
= parent_dirname(talloc_tos(), path
, &dir_path
, NULL
);
1793 DEBUG(10, ("path %s, directory %s\n", path
, dir_path
));
1795 err
= get_gpfs_fset_id(dir_path
, fset_id
);
1797 DEBUG(0, ("Get fset id failed path %s, dir %s, errno %d.\n",
1798 path
, dir_path
, errno
));
1802 err
= get_gpfs_quota(path
, GPFS_USRQUOTA
, uid
, qi_user
);
1807 err
= get_gpfs_quota(path
, GPFS_GRPQUOTA
, gid
, qi_group
);
1812 err
= get_gpfs_quota(path
, GPFS_FILESETQUOTA
, *fset_id
, qi_fset
);
1820 static void vfs_gpfs_disk_free_quota(struct gpfs_quotaInfo qi
, time_t cur_time
,
1821 uint64_t *dfree
, uint64_t *dsize
)
1823 uint64_t usage
, limit
;
1826 * The quota reporting is done in units of 1024 byte blocks, but
1827 * sys_fsusage uses units of 512 byte blocks, adjust the block number
1828 * accordingly. Also filter possibly negative usage counts from gpfs.
1830 usage
= qi
.blockUsage
< 0 ? 0 : (uint64_t)qi
.blockUsage
* 2;
1831 limit
= (uint64_t)qi
.blockHardLimit
* 2;
1834 * When the grace time for the exceeded soft block quota has been
1835 * exceeded, the soft block quota becomes an additional hard limit.
1837 if (qi
.blockSoftLimit
&&
1838 qi
.blockGraceTime
&& cur_time
> qi
.blockGraceTime
) {
1839 /* report disk as full */
1841 *dsize
= MIN(*dsize
, usage
);
1844 if (!qi
.blockHardLimit
)
1847 if (usage
>= limit
) {
1848 /* report disk as full */
1850 *dsize
= MIN(*dsize
, usage
);
1853 /* limit has not been reached, determine "free space" */
1854 *dfree
= MIN(*dfree
, limit
- usage
);
1855 *dsize
= MIN(*dsize
, limit
);
1859 static uint64_t vfs_gpfs_disk_free(vfs_handle_struct
*handle
, const char *path
,
1860 bool small_query
, uint64_t *bsize
,
1861 uint64_t *dfree
, uint64_t *dsize
)
1863 struct security_unix_token
*utok
;
1864 struct gpfs_quotaInfo qi_user
, qi_group
, qi_fset
;
1865 struct gpfs_config_data
*config
;
1869 SMB_VFS_HANDLE_GET_DATA(handle
, config
, struct gpfs_config_data
,
1870 return (uint64_t)-1);
1871 if (!config
->dfreequota
) {
1872 return SMB_VFS_NEXT_DISK_FREE(handle
, path
, small_query
,
1873 bsize
, dfree
, dsize
);
1876 err
= sys_fsusage(path
, dfree
, dsize
);
1878 DEBUG (0, ("Could not get fs usage, errno %d\n", errno
));
1879 return SMB_VFS_NEXT_DISK_FREE(handle
, path
, small_query
,
1880 bsize
, dfree
, dsize
);
1883 /* sys_fsusage returns units of 512 bytes */
1886 DEBUG(10, ("fs dfree %llu, dsize %llu\n",
1887 (unsigned long long)*dfree
, (unsigned long long)*dsize
));
1889 utok
= handle
->conn
->session_info
->unix_token
;
1890 err
= vfs_gpfs_get_quotas(path
, utok
->uid
, utok
->gid
, &fset_id
,
1891 &qi_user
, &qi_group
, &qi_fset
);
1893 return SMB_VFS_NEXT_DISK_FREE(handle
, path
, small_query
,
1894 bsize
, dfree
, dsize
);
1897 cur_time
= time(NULL
);
1899 /* Adjust free space and size according to quota limits. */
1900 vfs_gpfs_disk_free_quota(qi_user
, cur_time
, dfree
, dsize
);
1901 vfs_gpfs_disk_free_quota(qi_group
, cur_time
, dfree
, dsize
);
1903 /* Id 0 indicates the default quota, not an actual quota */
1905 vfs_gpfs_disk_free_quota(qi_fset
, cur_time
, dfree
, dsize
);
1908 disk_norm(small_query
, bsize
, dfree
, dsize
);
1912 static uint32_t vfs_gpfs_capabilities(struct vfs_handle_struct
*handle
,
1913 enum timestamp_set_resolution
*p_ts_res
)
1915 struct gpfs_config_data
*config
;
1918 next
= SMB_VFS_NEXT_FS_CAPABILITIES(handle
, p_ts_res
);
1920 SMB_VFS_HANDLE_GET_DATA(handle
, config
,
1921 struct gpfs_config_data
,
1925 next
|= FILE_SUPPORTS_REMOTE_STORAGE
;
1930 static int vfs_gpfs_open(struct vfs_handle_struct
*handle
,
1931 struct smb_filename
*smb_fname
, files_struct
*fsp
,
1932 int flags
, mode_t mode
)
1934 struct gpfs_config_data
*config
;
1936 SMB_VFS_HANDLE_GET_DATA(handle
, config
,
1937 struct gpfs_config_data
,
1940 if (config
->syncio
) {
1943 return SMB_VFS_NEXT_OPEN(handle
, smb_fname
, fsp
, flags
, mode
);
1946 static ssize_t
vfs_gpfs_pread(vfs_handle_struct
*handle
, files_struct
*fsp
,
1947 void *data
, size_t n
, off_t offset
)
1951 ret
= SMB_VFS_NEXT_PREAD(handle
, fsp
, data
, n
, offset
);
1953 DEBUG(10, ("vfs_private = %x\n",
1954 (unsigned int)fsp
->fsp_name
->st
.vfs_private
));
1957 ((fsp
->fsp_name
->st
.vfs_private
& GPFS_WINATTR_OFFLINE
) != 0)) {
1958 fsp
->fsp_name
->st
.vfs_private
&= ~GPFS_WINATTR_OFFLINE
;
1959 notify_fname(handle
->conn
, NOTIFY_ACTION_MODIFIED
,
1960 FILE_NOTIFY_CHANGE_ATTRIBUTES
,
1961 fsp
->fsp_name
->base_name
);
1967 struct vfs_gpfs_pread_state
{
1968 struct files_struct
*fsp
;
1973 static void vfs_gpfs_pread_done(struct tevent_req
*subreq
);
1975 static struct tevent_req
*vfs_gpfs_pread_send(struct vfs_handle_struct
*handle
,
1976 TALLOC_CTX
*mem_ctx
,
1977 struct tevent_context
*ev
,
1978 struct files_struct
*fsp
,
1979 void *data
, size_t n
,
1982 struct tevent_req
*req
, *subreq
;
1983 struct vfs_gpfs_pread_state
*state
;
1985 req
= tevent_req_create(mem_ctx
, &state
, struct vfs_gpfs_pread_state
);
1990 subreq
= SMB_VFS_NEXT_PREAD_SEND(state
, ev
, handle
, fsp
, data
,
1992 if (tevent_req_nomem(subreq
, req
)) {
1993 return tevent_req_post(req
, ev
);
1995 tevent_req_set_callback(subreq
, vfs_gpfs_pread_done
, req
);
1999 static void vfs_gpfs_pread_done(struct tevent_req
*subreq
)
2001 struct tevent_req
*req
= tevent_req_callback_data(
2002 subreq
, struct tevent_req
);
2003 struct vfs_gpfs_pread_state
*state
= tevent_req_data(
2004 req
, struct vfs_gpfs_pread_state
);
2006 state
->ret
= SMB_VFS_PREAD_RECV(subreq
, &state
->err
);
2007 TALLOC_FREE(subreq
);
2008 tevent_req_done(req
);
2011 static ssize_t
vfs_gpfs_pread_recv(struct tevent_req
*req
, int *err
)
2013 struct vfs_gpfs_pread_state
*state
= tevent_req_data(
2014 req
, struct vfs_gpfs_pread_state
);
2015 struct files_struct
*fsp
= state
->fsp
;
2017 if (tevent_req_is_unix_error(req
, err
)) {
2022 DEBUG(10, ("vfs_private = %x\n",
2023 (unsigned int)fsp
->fsp_name
->st
.vfs_private
));
2025 if ((state
->ret
!= -1) &&
2026 ((fsp
->fsp_name
->st
.vfs_private
& GPFS_WINATTR_OFFLINE
) != 0)) {
2027 fsp
->fsp_name
->st
.vfs_private
&= ~GPFS_WINATTR_OFFLINE
;
2028 DEBUG(10, ("sending notify\n"));
2029 notify_fname(fsp
->conn
, NOTIFY_ACTION_MODIFIED
,
2030 FILE_NOTIFY_CHANGE_ATTRIBUTES
,
2031 fsp
->fsp_name
->base_name
);
2037 static ssize_t
vfs_gpfs_pwrite(vfs_handle_struct
*handle
, files_struct
*fsp
,
2038 const void *data
, size_t n
, off_t offset
)
2042 ret
= SMB_VFS_NEXT_PWRITE(handle
, fsp
, data
, n
, offset
);
2044 DEBUG(10, ("vfs_private = %x\n",
2045 (unsigned int)fsp
->fsp_name
->st
.vfs_private
));
2048 ((fsp
->fsp_name
->st
.vfs_private
& GPFS_WINATTR_OFFLINE
) != 0)) {
2049 fsp
->fsp_name
->st
.vfs_private
&= ~GPFS_WINATTR_OFFLINE
;
2050 notify_fname(handle
->conn
, NOTIFY_ACTION_MODIFIED
,
2051 FILE_NOTIFY_CHANGE_ATTRIBUTES
,
2052 fsp
->fsp_name
->base_name
);
2058 struct vfs_gpfs_pwrite_state
{
2059 struct files_struct
*fsp
;
2064 static void vfs_gpfs_pwrite_done(struct tevent_req
*subreq
);
2066 static struct tevent_req
*vfs_gpfs_pwrite_send(
2067 struct vfs_handle_struct
*handle
,
2068 TALLOC_CTX
*mem_ctx
,
2069 struct tevent_context
*ev
,
2070 struct files_struct
*fsp
,
2071 const void *data
, size_t n
,
2074 struct tevent_req
*req
, *subreq
;
2075 struct vfs_gpfs_pwrite_state
*state
;
2077 req
= tevent_req_create(mem_ctx
, &state
, struct vfs_gpfs_pwrite_state
);
2082 subreq
= SMB_VFS_NEXT_PWRITE_SEND(state
, ev
, handle
, fsp
, data
,
2084 if (tevent_req_nomem(subreq
, req
)) {
2085 return tevent_req_post(req
, ev
);
2087 tevent_req_set_callback(subreq
, vfs_gpfs_pwrite_done
, req
);
2091 static void vfs_gpfs_pwrite_done(struct tevent_req
*subreq
)
2093 struct tevent_req
*req
= tevent_req_callback_data(
2094 subreq
, struct tevent_req
);
2095 struct vfs_gpfs_pwrite_state
*state
= tevent_req_data(
2096 req
, struct vfs_gpfs_pwrite_state
);
2098 state
->ret
= SMB_VFS_PWRITE_RECV(subreq
, &state
->err
);
2099 TALLOC_FREE(subreq
);
2100 tevent_req_done(req
);
2103 static ssize_t
vfs_gpfs_pwrite_recv(struct tevent_req
*req
, int *err
)
2105 struct vfs_gpfs_pwrite_state
*state
= tevent_req_data(
2106 req
, struct vfs_gpfs_pwrite_state
);
2107 struct files_struct
*fsp
= state
->fsp
;
2109 if (tevent_req_is_unix_error(req
, err
)) {
2114 DEBUG(10, ("vfs_private = %x\n",
2115 (unsigned int)fsp
->fsp_name
->st
.vfs_private
));
2117 if ((state
->ret
!= -1) &&
2118 ((fsp
->fsp_name
->st
.vfs_private
& GPFS_WINATTR_OFFLINE
) != 0)) {
2119 fsp
->fsp_name
->st
.vfs_private
&= ~GPFS_WINATTR_OFFLINE
;
2120 DEBUG(10, ("sending notify\n"));
2121 notify_fname(fsp
->conn
, NOTIFY_ACTION_MODIFIED
,
2122 FILE_NOTIFY_CHANGE_ATTRIBUTES
,
2123 fsp
->fsp_name
->base_name
);
2130 static struct vfs_fn_pointers vfs_gpfs_fns
= {
2131 .connect_fn
= vfs_gpfs_connect
,
2132 .disk_free_fn
= vfs_gpfs_disk_free
,
2133 .fs_capabilities_fn
= vfs_gpfs_capabilities
,
2134 .kernel_flock_fn
= vfs_gpfs_kernel_flock
,
2135 .linux_setlease_fn
= vfs_gpfs_setlease
,
2136 .get_real_filename_fn
= vfs_gpfs_get_real_filename
,
2137 .fget_nt_acl_fn
= gpfsacl_fget_nt_acl
,
2138 .get_nt_acl_fn
= gpfsacl_get_nt_acl
,
2139 .fset_nt_acl_fn
= gpfsacl_fset_nt_acl
,
2140 .sys_acl_get_file_fn
= gpfsacl_sys_acl_get_file
,
2141 .sys_acl_get_fd_fn
= gpfsacl_sys_acl_get_fd
,
2142 .sys_acl_blob_get_file_fn
= gpfsacl_sys_acl_blob_get_file
,
2143 .sys_acl_blob_get_fd_fn
= gpfsacl_sys_acl_blob_get_fd
,
2144 .sys_acl_set_file_fn
= gpfsacl_sys_acl_set_file
,
2145 .sys_acl_set_fd_fn
= gpfsacl_sys_acl_set_fd
,
2146 .sys_acl_delete_def_file_fn
= gpfsacl_sys_acl_delete_def_file
,
2147 .chmod_fn
= vfs_gpfs_chmod
,
2148 .fchmod_fn
= vfs_gpfs_fchmod
,
2149 .close_fn
= vfs_gpfs_close
,
2150 .setxattr_fn
= gpfs_set_xattr
,
2151 .getxattr_fn
= gpfs_get_xattr
,
2152 .stat_fn
= vfs_gpfs_stat
,
2153 .fstat_fn
= vfs_gpfs_fstat
,
2154 .lstat_fn
= vfs_gpfs_lstat
,
2155 .ntimes_fn
= vfs_gpfs_ntimes
,
2156 .is_offline_fn
= vfs_gpfs_is_offline
,
2157 .aio_force_fn
= vfs_gpfs_aio_force
,
2158 .sendfile_fn
= vfs_gpfs_sendfile
,
2159 .fallocate_fn
= vfs_gpfs_fallocate
,
2160 .open_fn
= vfs_gpfs_open
,
2161 .pread_fn
= vfs_gpfs_pread
,
2162 .pread_send_fn
= vfs_gpfs_pread_send
,
2163 .pread_recv_fn
= vfs_gpfs_pread_recv
,
2164 .pwrite_fn
= vfs_gpfs_pwrite
,
2165 .pwrite_send_fn
= vfs_gpfs_pwrite_send
,
2166 .pwrite_recv_fn
= vfs_gpfs_pwrite_recv
,
2167 .ftruncate_fn
= vfs_gpfs_ftruncate
2170 NTSTATUS
vfs_gpfs_init(void);
2171 NTSTATUS
vfs_gpfs_init(void)
2175 return smb_register_vfs(SMB_VFS_INTERFACE_VERSION
, "gpfs",