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/>.
27 #define DBGC_CLASS DBGC_VFS
30 #include "nfs4_acls.h"
33 static int vfs_gpfs_kernel_flock(vfs_handle_struct
*handle
, files_struct
*fsp
,
37 START_PROFILE(syscall_kernel_flock
);
39 kernel_flock(fsp
->fh
->fd
, share_mode
);
41 if (!set_gpfs_sharemode(fsp
, fsp
->access_mask
, fsp
->share_access
)) {
47 END_PROFILE(syscall_kernel_flock
);
52 static int vfs_gpfs_close(vfs_handle_struct
*handle
, files_struct
*fsp
)
54 if ((fsp
->fh
!= NULL
) && (fsp
->fh
->fd
!= -1)) {
55 set_gpfs_sharemode(fsp
, 0, 0);
58 return SMB_VFS_NEXT_CLOSE(handle
, fsp
);
61 static int vfs_gpfs_setlease(vfs_handle_struct
*handle
, files_struct
*fsp
,
66 START_PROFILE(syscall_linux_setlease
);
68 if ( linux_set_lease_sighandler(fsp
->fh
->fd
) == -1)
71 ret
= set_gpfs_lease(fsp
->fh
->fd
,leasetype
);
74 /* This must have come from GPFS not being available */
75 /* or some other error, hence call the default */
76 ret
= linux_setlease(fsp
->fh
->fd
, leasetype
);
79 END_PROFILE(syscall_linux_setlease
);
84 static int vfs_gpfs_get_real_filename(struct vfs_handle_struct
*handle
,
92 char real_pathname
[PATH_MAX
+1];
95 full_path
= talloc_asprintf(talloc_tos(), "%s/%s", path
, name
);
96 if (full_path
== NULL
) {
101 buflen
= sizeof(real_pathname
) - 1;
103 result
= smbd_gpfs_get_realfilename_path(full_path
, real_pathname
,
106 TALLOC_FREE(full_path
);
108 if ((result
== -1) && (errno
== ENOSYS
)) {
109 return SMB_VFS_NEXT_GET_REAL_FILENAME(
110 handle
, path
, name
, mem_ctx
, found_name
);
114 DEBUG(10, ("smbd_gpfs_get_realfilename_path returned %s\n",
120 * GPFS does not necessarily null-terminate the returned path
121 * but instead returns the buffer length in buflen.
124 if (buflen
< sizeof(real_pathname
)) {
125 real_pathname
[buflen
] = '\0';
127 real_pathname
[sizeof(real_pathname
)-1] = '\0';
130 DEBUG(10, ("smbd_gpfs_get_realfilename_path: %s/%s -> %s\n",
131 path
, name
, real_pathname
));
133 name
= strrchr_m(real_pathname
, '/');
139 *found_name
= talloc_strdup(mem_ctx
, name
+1);
140 if (*found_name
== NULL
) {
148 static void gpfs_dumpacl(int level
, struct gpfs_acl
*gacl
)
153 DEBUG(0, ("gpfs acl is NULL\n"));
157 DEBUG(level
, ("gpfs acl: nace: %d, type:%d, version:%d, level:%d, len:%d\n",
158 gacl
->acl_nace
, gacl
->acl_type
, gacl
->acl_version
, gacl
->acl_level
, gacl
->acl_len
));
159 for(i
=0; i
<gacl
->acl_nace
; i
++)
161 struct gpfs_ace_v4
*gace
= gacl
->ace_v4
+ i
;
162 DEBUG(level
, ("\tace[%d]: type:%d, flags:0x%x, mask:0x%x, iflags:0x%x, who:%u\n",
163 i
, gace
->aceType
, gace
->aceFlags
, gace
->aceMask
,
164 gace
->aceIFlags
, gace
->aceWho
));
168 static struct gpfs_acl
*gpfs_getacl_alloc(const char *fname
, gpfs_aclType_t type
)
170 struct gpfs_acl
*acl
;
173 TALLOC_CTX
*mem_ctx
= talloc_tos();
175 acl
= (struct gpfs_acl
*)TALLOC_SIZE(mem_ctx
, len
);
183 acl
->acl_version
= 0;
184 acl
->acl_type
= type
;
186 ret
= smbd_gpfs_getacl((char *)fname
, GPFS_GETACL_STRUCT
| GPFS_ACL_SAMBA
, acl
);
187 if ((ret
!= 0) && (errno
== ENOSPC
)) {
188 struct gpfs_acl
*new_acl
= (struct gpfs_acl
*)TALLOC_SIZE(
189 mem_ctx
, acl
->acl_len
+ sizeof(struct gpfs_acl
));
190 if (new_acl
== NULL
) {
195 new_acl
->acl_len
= acl
->acl_len
;
196 new_acl
->acl_level
= acl
->acl_level
;
197 new_acl
->acl_version
= acl
->acl_version
;
198 new_acl
->acl_type
= acl
->acl_type
;
201 ret
= smbd_gpfs_getacl((char *)fname
, GPFS_GETACL_STRUCT
| GPFS_ACL_SAMBA
, acl
);
205 DEBUG(8, ("smbd_gpfs_getacl failed with %s\n",strerror(errno
)));
212 /* Tries to get nfs4 acls and returns SMB ACL allocated.
213 * On failure returns 1 if it got non-NFSv4 ACL to prompt
214 * retry with POSIX ACL checks.
215 * On failure returns -1 if there is system (GPFS) error, check errno.
216 * Returns 0 on success
218 static int gpfs_get_nfs4_acl(const char *fname
, SMB4ACL_T
**ppacl
)
221 struct gpfs_acl
*gacl
= NULL
;
222 DEBUG(10, ("gpfs_get_nfs4_acl invoked for %s\n", fname
));
224 /* First get the real acl length */
225 gacl
= gpfs_getacl_alloc(fname
, 0);
227 DEBUG(9, ("gpfs_getacl failed for %s with %s\n",
228 fname
, strerror(errno
)));
232 if (gacl
->acl_type
!= GPFS_ACL_TYPE_NFS4
) {
233 DEBUG(10, ("Got non-nfsv4 acl\n"));
234 /* Retry with POSIX ACLs check */
238 *ppacl
= smb_create_smb4acl();
240 DEBUG(10, ("len: %d, level: %d, version: %d, nace: %d\n",
241 gacl
->acl_len
, gacl
->acl_level
, gacl
->acl_version
,
244 for (i
=0; i
<gacl
->acl_nace
; i
++) {
245 struct gpfs_ace_v4
*gace
= &gacl
->ace_v4
[i
];
246 SMB_ACE4PROP_T smbace
;
247 DEBUG(10, ("type: %d, iflags: %x, flags: %x, mask: %x, "
248 "who: %d\n", gace
->aceType
, gace
->aceIFlags
,
249 gace
->aceFlags
, gace
->aceMask
, gace
->aceWho
));
252 if (gace
->aceIFlags
& ACE4_IFLAG_SPECIAL_ID
) {
253 smbace
.flags
|= SMB_ACE4_ID_SPECIAL
;
254 switch (gace
->aceWho
) {
255 case ACE4_SPECIAL_OWNER
:
256 smbace
.who
.special_id
= SMB_ACE4_WHO_OWNER
;
258 case ACE4_SPECIAL_GROUP
:
259 smbace
.who
.special_id
= SMB_ACE4_WHO_GROUP
;
261 case ACE4_SPECIAL_EVERYONE
:
262 smbace
.who
.special_id
= SMB_ACE4_WHO_EVERYONE
;
265 DEBUG(8, ("invalid special gpfs id %d "
266 "ignored\n", gace
->aceWho
));
267 continue; /* don't add it */
270 if (gace
->aceFlags
& ACE4_FLAG_GROUP_ID
)
271 smbace
.who
.gid
= gace
->aceWho
;
273 smbace
.who
.uid
= gace
->aceWho
;
276 /* remove redundent deny entries */
277 if (i
> 0 && gace
->aceType
== SMB_ACE4_ACCESS_DENIED_ACE_TYPE
) {
278 struct gpfs_ace_v4
*prev
= &gacl
->ace_v4
[i
-1];
279 if (prev
->aceType
== SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE
&&
280 prev
->aceFlags
== gace
->aceFlags
&&
281 prev
->aceIFlags
== gace
->aceIFlags
&&
282 (gace
->aceMask
& prev
->aceMask
) == 0 &&
283 gace
->aceWho
== prev
->aceWho
) {
284 /* its redundent - skip it */
289 smbace
.aceType
= gace
->aceType
;
290 smbace
.aceFlags
= gace
->aceFlags
;
291 smbace
.aceMask
= gace
->aceMask
;
292 smb_add_ace4(*ppacl
, &smbace
);
298 static NTSTATUS
gpfsacl_fget_nt_acl(vfs_handle_struct
*handle
,
299 files_struct
*fsp
, uint32 security_info
,
302 SMB4ACL_T
*pacl
= NULL
;
306 result
= gpfs_get_nfs4_acl(fsp
->fsp_name
, &pacl
);
309 return smb_fget_nt_acl_nfs4(fsp
, security_info
, ppdesc
, pacl
);
312 DEBUG(10, ("retrying with posix acl...\n"));
313 return posix_fget_nt_acl(fsp
, security_info
, ppdesc
);
316 /* GPFS ACL was not read, something wrong happened, error code is set in errno */
317 return map_nt_error_from_unix(errno
);
320 static NTSTATUS
gpfsacl_get_nt_acl(vfs_handle_struct
*handle
,
322 uint32 security_info
, SEC_DESC
**ppdesc
)
324 SMB4ACL_T
*pacl
= NULL
;
328 result
= gpfs_get_nfs4_acl(name
, &pacl
);
331 return smb_get_nt_acl_nfs4(handle
->conn
, name
, security_info
, ppdesc
, pacl
);
334 DEBUG(10, ("retrying with posix acl...\n"));
335 return posix_get_nt_acl(handle
->conn
, name
, security_info
, ppdesc
);
338 /* GPFS ACL was not read, something wrong happened, error code is set in errno */
339 return map_nt_error_from_unix(errno
);
342 static bool gpfsacl_process_smbacl(files_struct
*fsp
, SMB4ACL_T
*smbacl
)
345 gpfs_aclLen_t gacl_len
;
347 struct gpfs_acl
*gacl
;
348 TALLOC_CTX
*mem_ctx
= talloc_tos();
350 gacl_len
= sizeof(struct gpfs_acl
) +
351 (smb_get_naces(smbacl
)-1)*sizeof(gpfs_ace_v4_t
);
353 gacl
= (struct gpfs_acl
*)TALLOC_SIZE(mem_ctx
, gacl_len
);
355 DEBUG(0, ("talloc failed\n"));
360 gacl
->acl_len
= gacl_len
;
362 gacl
->acl_version
= GPFS_ACL_VERSION_NFS4
;
363 gacl
->acl_type
= GPFS_ACL_TYPE_NFS4
;
364 gacl
->acl_nace
= 0; /* change later... */
366 for (smbace
=smb_first_ace4(smbacl
); smbace
!=NULL
; smbace
= smb_next_ace4(smbace
)) {
367 struct gpfs_ace_v4
*gace
= &gacl
->ace_v4
[gacl
->acl_nace
];
368 SMB_ACE4PROP_T
*aceprop
= smb_get_ace4(smbace
);
370 gace
->aceType
= aceprop
->aceType
;
371 gace
->aceFlags
= aceprop
->aceFlags
;
372 gace
->aceMask
= aceprop
->aceMask
;
375 * GPFS can't distinguish between WRITE and APPEND on
376 * files, so one being set without the other is an
377 * error. Sorry for the many ()'s :-)
380 if (!fsp
->is_directory
382 ((((gace
->aceMask
& ACE4_MASK_WRITE
) == 0)
383 && ((gace
->aceMask
& ACE4_MASK_APPEND
) != 0))
385 (((gace
->aceMask
& ACE4_MASK_WRITE
) != 0)
386 && ((gace
->aceMask
& ACE4_MASK_APPEND
) == 0)))
388 lp_parm_bool(fsp
->conn
->params
->service
, "gpfs",
389 "merge_writeappend", True
)) {
390 DEBUG(2, ("vfs_gpfs.c: file [%s]: ACE contains "
391 "WRITE^APPEND, setting WRITE|APPEND\n",
393 gace
->aceMask
|= ACE4_MASK_WRITE
|ACE4_MASK_APPEND
;
396 gace
->aceIFlags
= (aceprop
->flags
&SMB_ACE4_ID_SPECIAL
) ? ACE4_IFLAG_SPECIAL_ID
: 0;
398 if (aceprop
->flags
&SMB_ACE4_ID_SPECIAL
)
400 switch(aceprop
->who
.special_id
)
402 case SMB_ACE4_WHO_EVERYONE
:
403 gace
->aceWho
= ACE4_SPECIAL_EVERYONE
;
405 case SMB_ACE4_WHO_OWNER
:
406 gace
->aceWho
= ACE4_SPECIAL_OWNER
;
408 case SMB_ACE4_WHO_GROUP
:
409 gace
->aceWho
= ACE4_SPECIAL_GROUP
;
412 DEBUG(8, ("unsupported special_id %d\n", aceprop
->who
.special_id
));
413 continue; /* don't add it !!! */
416 /* just only for the type safety... */
417 if (aceprop
->aceFlags
&SMB_ACE4_IDENTIFIER_GROUP
)
418 gace
->aceWho
= aceprop
->who
.gid
;
420 gace
->aceWho
= aceprop
->who
.uid
;
426 ret
= smbd_gpfs_putacl(fsp
->fsp_name
, GPFS_PUTACL_STRUCT
| GPFS_ACL_SAMBA
, gacl
);
428 DEBUG(8, ("gpfs_putacl failed with %s\n", strerror(errno
)));
429 gpfs_dumpacl(8, gacl
);
433 DEBUG(10, ("gpfs_putacl succeeded\n"));
437 static NTSTATUS
gpfsacl_set_nt_acl_internal(files_struct
*fsp
, uint32 security_info_sent
, const SEC_DESC
*psd
)
439 struct gpfs_acl
*acl
;
440 NTSTATUS result
= NT_STATUS_ACCESS_DENIED
;
442 acl
= gpfs_getacl_alloc(fsp
->fsp_name
, 0);
446 if (acl
->acl_version
&GPFS_ACL_VERSION_NFS4
)
448 result
= smb_set_nt_acl_nfs4(
449 fsp
, security_info_sent
, psd
,
450 gpfsacl_process_smbacl
);
451 } else { /* assume POSIX ACL - by default... */
452 result
= set_nt_acl(fsp
, security_info_sent
, psd
);
458 static NTSTATUS
gpfsacl_fset_nt_acl(vfs_handle_struct
*handle
, files_struct
*fsp
, uint32 security_info_sent
, const SEC_DESC
*psd
)
460 return gpfsacl_set_nt_acl_internal(fsp
, security_info_sent
, psd
);
463 static SMB_ACL_T
gpfs2smb_acl(const struct gpfs_acl
*pacl
)
468 result
= sys_acl_init(pacl
->acl_nace
);
469 if (result
== NULL
) {
474 result
->count
= pacl
->acl_nace
;
476 for (i
=0; i
<pacl
->acl_nace
; i
++) {
477 struct smb_acl_entry
*ace
= &result
->acl
[i
];
478 const struct gpfs_ace_v1
*g_ace
= &pacl
->ace_v1
[i
];
480 DEBUG(10, ("Converting type %d id %lu perm %x\n",
481 (int)g_ace
->ace_type
, (unsigned long)g_ace
->ace_who
,
482 (int)g_ace
->ace_perm
));
484 switch (g_ace
->ace_type
) {
486 ace
->a_type
= SMB_ACL_USER
;
487 ace
->uid
= (uid_t
)g_ace
->ace_who
;
489 case GPFS_ACL_USER_OBJ
:
490 ace
->a_type
= SMB_ACL_USER_OBJ
;
493 ace
->a_type
= SMB_ACL_GROUP
;
494 ace
->gid
= (gid_t
)g_ace
->ace_who
;
496 case GPFS_ACL_GROUP_OBJ
:
497 ace
->a_type
= SMB_ACL_GROUP_OBJ
;
500 ace
->a_type
= SMB_ACL_OTHER
;
503 ace
->a_type
= SMB_ACL_MASK
;
506 DEBUG(10, ("Got invalid ace_type: %d\n",
514 ace
->a_perm
|= (g_ace
->ace_perm
& ACL_PERM_READ
) ?
516 ace
->a_perm
|= (g_ace
->ace_perm
& ACL_PERM_WRITE
) ?
518 ace
->a_perm
|= (g_ace
->ace_perm
& ACL_PERM_EXECUTE
) ?
521 DEBUGADD(10, ("Converted to %d perm %x\n",
522 ace
->a_type
, ace
->a_perm
));
528 static SMB_ACL_T
gpfsacl_get_posix_acl(const char *path
, gpfs_aclType_t type
)
530 struct gpfs_acl
*pacl
;
531 SMB_ACL_T result
= NULL
;
533 pacl
= gpfs_getacl_alloc(path
, type
);
536 DEBUG(10, ("gpfs_getacl failed for %s with %s\n",
537 path
, strerror(errno
)));
544 if (pacl
->acl_version
!= GPFS_ACL_VERSION_POSIX
) {
545 DEBUG(10, ("Got acl version %d, expected %d\n",
546 pacl
->acl_version
, GPFS_ACL_VERSION_POSIX
));
551 DEBUG(10, ("len: %d, level: %d, version: %d, nace: %d\n",
552 pacl
->acl_len
, pacl
->acl_level
, pacl
->acl_version
,
555 result
= gpfs2smb_acl(pacl
);
556 if (result
== NULL
) {
568 static SMB_ACL_T
gpfsacl_sys_acl_get_file(vfs_handle_struct
*handle
,
572 gpfs_aclType_t gpfs_type
;
575 case SMB_ACL_TYPE_ACCESS
:
576 gpfs_type
= GPFS_ACL_TYPE_ACCESS
;
578 case SMB_ACL_TYPE_DEFAULT
:
579 gpfs_type
= GPFS_ACL_TYPE_DEFAULT
;
582 DEBUG(0, ("Got invalid type: %d\n", type
));
583 smb_panic("exiting");
586 return gpfsacl_get_posix_acl(path_p
, gpfs_type
);
589 static SMB_ACL_T
gpfsacl_sys_acl_get_fd(vfs_handle_struct
*handle
,
592 return gpfsacl_get_posix_acl(fsp
->fsp_name
, GPFS_ACL_TYPE_ACCESS
);
595 static struct gpfs_acl
*smb2gpfs_acl(const SMB_ACL_T pacl
,
599 struct gpfs_acl
*result
;
603 gpfs_ace_v1_t ace_v1
[1]; /* when GPFS_ACL_VERSION_POSIX */
604 gpfs_ace_v4_t ace_v4
[1]; /* when GPFS_ACL_VERSION_NFS4 */
607 DEBUG(10, ("smb2gpfs_acl: Got ACL with %d entries\n", pacl
->count
));
609 len
= sizeof(struct gpfs_acl
) - sizeof(union gpfs_ace_union
) +
610 (pacl
->count
)*sizeof(gpfs_ace_v1_t
);
612 result
= (struct gpfs_acl
*)SMB_MALLOC(len
);
613 if (result
== NULL
) {
618 result
->acl_len
= len
;
619 result
->acl_level
= 0;
620 result
->acl_version
= GPFS_ACL_VERSION_POSIX
;
621 result
->acl_type
= (type
== SMB_ACL_TYPE_DEFAULT
) ?
622 GPFS_ACL_TYPE_DEFAULT
: GPFS_ACL_TYPE_ACCESS
;
623 result
->acl_nace
= pacl
->count
;
625 for (i
=0; i
<pacl
->count
; i
++) {
626 const struct smb_acl_entry
*ace
= &pacl
->acl
[i
];
627 struct gpfs_ace_v1
*g_ace
= &result
->ace_v1
[i
];
629 DEBUG(10, ("Converting type %d perm %x\n",
630 (int)ace
->a_type
, (int)ace
->a_perm
));
634 switch(ace
->a_type
) {
636 g_ace
->ace_type
= GPFS_ACL_USER
;
637 g_ace
->ace_who
= (gpfs_uid_t
)ace
->uid
;
639 case SMB_ACL_USER_OBJ
:
640 g_ace
->ace_type
= GPFS_ACL_USER_OBJ
;
641 g_ace
->ace_perm
|= ACL_PERM_CONTROL
;
645 g_ace
->ace_type
= GPFS_ACL_GROUP
;
646 g_ace
->ace_who
= (gpfs_uid_t
)ace
->gid
;
648 case SMB_ACL_GROUP_OBJ
:
649 g_ace
->ace_type
= GPFS_ACL_GROUP_OBJ
;
653 g_ace
->ace_type
= GPFS_ACL_MASK
;
654 g_ace
->ace_perm
= 0x8f;
658 g_ace
->ace_type
= GPFS_ACL_OTHER
;
662 DEBUG(10, ("Got invalid ace_type: %d\n", ace
->a_type
));
668 g_ace
->ace_perm
|= (ace
->a_perm
& SMB_ACL_READ
) ?
670 g_ace
->ace_perm
|= (ace
->a_perm
& SMB_ACL_WRITE
) ?
672 g_ace
->ace_perm
|= (ace
->a_perm
& SMB_ACL_EXECUTE
) ?
673 ACL_PERM_EXECUTE
: 0;
675 DEBUGADD(10, ("Converted to %d id %d perm %x\n",
676 g_ace
->ace_type
, g_ace
->ace_who
, g_ace
->ace_perm
));
682 static int gpfsacl_sys_acl_set_file(vfs_handle_struct
*handle
,
687 struct gpfs_acl
*gpfs_acl
;
690 gpfs_acl
= smb2gpfs_acl(theacl
, type
);
691 if (gpfs_acl
== NULL
) {
695 result
= smbd_gpfs_putacl((char *)name
, GPFS_PUTACL_STRUCT
| GPFS_ACL_SAMBA
, gpfs_acl
);
701 static int gpfsacl_sys_acl_set_fd(vfs_handle_struct
*handle
,
705 return gpfsacl_sys_acl_set_file(handle
, fsp
->fsp_name
, SMB_ACL_TYPE_ACCESS
, theacl
);
708 static int gpfsacl_sys_acl_delete_def_file(vfs_handle_struct
*handle
,
716 * Assumed: mode bits are shiftable and standard
717 * Output: the new aceMask field for an smb nfs4 ace
719 static uint32
gpfsacl_mask_filter(uint32 aceType
, uint32 aceMask
, uint32 rwx
)
721 const uint32 posix_nfs4map
[3] = {
722 SMB_ACE4_EXECUTE
, /* execute */
723 SMB_ACE4_WRITE_DATA
| SMB_ACE4_APPEND_DATA
, /* write; GPFS specific */
724 SMB_ACE4_READ_DATA
/* read */
727 uint32_t posix_mask
= 0x01;
732 nfs4_bits
= posix_nfs4map
[i
];
733 posix_bit
= rwx
& posix_mask
;
735 if (aceType
==SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE
) {
737 aceMask
|= nfs4_bits
;
739 aceMask
&= ~nfs4_bits
;
741 /* add deny bits when suitable */
743 aceMask
|= nfs4_bits
;
745 aceMask
&= ~nfs4_bits
;
746 } /* other ace types are unexpected */
754 static int gpfsacl_emu_chmod(const char *path
, mode_t mode
)
756 SMB4ACL_T
*pacl
= NULL
;
758 bool haveAllowEntry
[SMB_ACE4_WHO_EVERYONE
+ 1] = {False
, False
, False
, False
};
760 files_struct fake_fsp
; /* TODO: rationalize parametrization */
763 DEBUG(10, ("gpfsacl_emu_chmod invoked for %s mode %o\n", path
, mode
));
765 result
= gpfs_get_nfs4_acl(path
, &pacl
);
769 if (mode
& ~(S_IRWXU
| S_IRWXG
| S_IRWXO
)) {
770 DEBUG(2, ("WARNING: cutting extra mode bits %o on %s\n", mode
, path
));
773 for (smbace
=smb_first_ace4(pacl
); smbace
!=NULL
; smbace
= smb_next_ace4(smbace
)) {
774 SMB_ACE4PROP_T
*ace
= smb_get_ace4(smbace
);
775 uint32_t specid
= ace
->who
.special_id
;
777 if (ace
->flags
&SMB_ACE4_ID_SPECIAL
&&
778 ace
->aceType
<=SMB_ACE4_ACCESS_DENIED_ACE_TYPE
&&
779 specid
<= SMB_ACE4_WHO_EVERYONE
) {
783 if (ace
->aceType
==SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE
)
784 haveAllowEntry
[specid
] = True
;
786 /* mode >> 6 for @owner, mode >> 3 for @group,
787 * mode >> 0 for @everyone */
788 newMask
= gpfsacl_mask_filter(ace
->aceType
, ace
->aceMask
,
789 mode
>> ((SMB_ACE4_WHO_EVERYONE
- specid
) * 3));
790 if (ace
->aceMask
!=newMask
) {
791 DEBUG(10, ("ace changed for %s (%o -> %o) id=%d\n",
792 path
, ace
->aceMask
, newMask
, specid
));
794 ace
->aceMask
= newMask
;
798 /* make sure we have at least ALLOW entries
799 * for all the 3 special ids (@EVERYONE, @OWNER, @GROUP)
802 for(i
= SMB_ACE4_WHO_OWNER
; i
<=SMB_ACE4_WHO_EVERYONE
; i
++) {
805 if (haveAllowEntry
[i
]==True
)
809 ace
.aceType
= SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE
;
810 ace
.flags
|= SMB_ACE4_ID_SPECIAL
;
811 ace
.who
.special_id
= i
;
813 if (i
==SMB_ACE4_WHO_GROUP
) /* not sure it's necessary... */
814 ace
.aceFlags
|= SMB_ACE4_IDENTIFIER_GROUP
;
816 ace
.aceMask
= gpfsacl_mask_filter(ace
.aceType
, ace
.aceMask
,
817 mode
>> ((SMB_ACE4_WHO_EVERYONE
- i
) * 3));
819 /* don't add unnecessary aces */
823 /* we add it to the END - as windows expects allow aces */
824 smb_add_ace4(pacl
, &ace
);
825 DEBUG(10, ("Added ALLOW ace for %s, mode=%o, id=%d, aceMask=%x\n",
826 path
, mode
, i
, ace
.aceMask
));
829 /* don't add complementary DENY ACEs here */
830 ZERO_STRUCT(fake_fsp
);
831 fake_fsp
.fsp_name
= (char *)path
; /* no file_new is needed here */
834 if (gpfsacl_process_smbacl(&fake_fsp
, pacl
) == False
)
836 return 0; /* ok for [f]chmod */
839 static int vfs_gpfs_chmod(vfs_handle_struct
*handle
, const char *path
, mode_t mode
)
844 if (SMB_VFS_NEXT_STAT(handle
, path
, &st
) != 0) {
848 /* avoid chmod() if possible, to preserve acls */
849 if ((st
.st_ex_mode
& ~S_IFMT
) == mode
) {
853 rc
= gpfsacl_emu_chmod(path
, mode
);
855 return SMB_VFS_NEXT_CHMOD(handle
, path
, mode
);
859 static int vfs_gpfs_fchmod(vfs_handle_struct
*handle
, files_struct
*fsp
, mode_t mode
)
864 if (SMB_VFS_NEXT_FSTAT(handle
, fsp
, &st
) != 0) {
868 /* avoid chmod() if possible, to preserve acls */
869 if ((st
.st_ex_mode
& ~S_IFMT
) == mode
) {
873 rc
= gpfsacl_emu_chmod(fsp
->fsp_name
, mode
);
875 return SMB_VFS_NEXT_FCHMOD(handle
, fsp
, mode
);
879 static int gpfs_set_xattr(struct vfs_handle_struct
*handle
, const char *path
,
880 const char *name
, const void *value
, size_t size
, int flags
){
881 const char *attrstr
= value
;
882 unsigned int dosmode
=0;
883 struct gpfs_winattr attrs
;
886 DEBUG(10, ("gpfs_set_xattr: %s \n",path
));
888 /* Only handle DOS Attributes */
889 if (strcmp(name
,SAMBA_XATTR_DOS_ATTRIB
) != 0){
890 DEBUG(1, ("gpfs_set_xattr:name is %s\n",name
));
891 return SMB_VFS_NEXT_SETXATTR(handle
,path
,name
,value
,size
,flags
);
894 if (size
< 2 || attrstr
[0] != '0' || attrstr
[1] != 'x' ||
895 sscanf(attrstr
, "%x", &dosmode
) != 1) {
896 DEBUG(1,("gpfs_set_xattr: Trying to set badly formed DOSATTRIB on file %s - %s\n", path
, attrstr
));
901 /*Just map RD_ONLY, ARCHIVE, SYSTEM and HIDDEN. Ignore the others*/
902 if (dosmode
& FILE_ATTRIBUTE_ARCHIVE
){
903 attrs
.winAttrs
|= GPFS_WINATTR_ARCHIVE
;
905 if (dosmode
& FILE_ATTRIBUTE_HIDDEN
){
906 attrs
.winAttrs
|= GPFS_WINATTR_HIDDEN
;
908 if (dosmode
& FILE_ATTRIBUTE_SYSTEM
){
909 attrs
.winAttrs
|= GPFS_WINATTR_SYSTEM
;
911 if (dosmode
& FILE_ATTRIBUTE_READONLY
){
912 attrs
.winAttrs
|= GPFS_WINATTR_READONLY
;
916 ret
= set_gpfs_winattrs(CONST_DISCARD(char *, path
),
917 GPFS_WINATTR_SET_ATTRS
, &attrs
);
919 DEBUG(1, ("gpfs_set_xattr:Set GPFS attributes failed %d\n",ret
));
923 DEBUG(10, ("gpfs_set_xattr:Set attributes: 0x%x\n",attrs
.winAttrs
));
927 static size_t gpfs_get_xattr(struct vfs_handle_struct
*handle
, const char *path
,
928 const char *name
, void *value
, size_t size
){
929 char *attrstr
= value
;
930 unsigned int dosmode
= 0;
931 struct gpfs_winattr attrs
;
934 DEBUG(10, ("gpfs_get_xattr: %s \n",path
));
936 /* Only handle DOS Attributes */
937 if (strcmp(name
,SAMBA_XATTR_DOS_ATTRIB
) != 0){
938 DEBUG(1, ("gpfs_get_xattr:name is %s\n",name
));
939 return SMB_VFS_NEXT_GETXATTR(handle
,path
,name
,value
,size
);
942 ret
= get_gpfs_winattrs(CONST_DISCARD(char *, path
), &attrs
);
944 DEBUG(1, ("gpfs_get_xattr: Get GPFS attributes failed: %d\n",ret
));
948 DEBUG(10, ("gpfs_get_xattr:Got attributes: 0x%x\n",attrs
.winAttrs
));
950 /*Just map RD_ONLY, ARCHIVE, SYSTEM and HIDDEN. Ignore the others*/
951 if (attrs
.winAttrs
& GPFS_WINATTR_ARCHIVE
){
952 dosmode
|= FILE_ATTRIBUTE_ARCHIVE
;
954 if (attrs
.winAttrs
& GPFS_WINATTR_HIDDEN
){
955 dosmode
|= FILE_ATTRIBUTE_HIDDEN
;
957 if (attrs
.winAttrs
& GPFS_WINATTR_SYSTEM
){
958 dosmode
|= FILE_ATTRIBUTE_SYSTEM
;
960 if (attrs
.winAttrs
& GPFS_WINATTR_READONLY
){
961 dosmode
|= FILE_ATTRIBUTE_READONLY
;
964 snprintf(attrstr
, size
, "0x%x", dosmode
& SAMBA_ATTRIBUTES_MASK
);
965 DEBUG(10, ("gpfs_get_xattr: returning %s\n",attrstr
));
970 /* VFS operations structure */
972 static vfs_op_tuple gpfs_op_tuples
[] = {
974 { SMB_VFS_OP(vfs_gpfs_kernel_flock
),
975 SMB_VFS_OP_KERNEL_FLOCK
,
976 SMB_VFS_LAYER_OPAQUE
},
978 { SMB_VFS_OP(vfs_gpfs_setlease
),
979 SMB_VFS_OP_LINUX_SETLEASE
,
980 SMB_VFS_LAYER_OPAQUE
},
982 { SMB_VFS_OP(vfs_gpfs_get_real_filename
),
983 SMB_VFS_OP_GET_REAL_FILENAME
,
984 SMB_VFS_LAYER_OPAQUE
},
986 { SMB_VFS_OP(gpfsacl_fget_nt_acl
),
987 SMB_VFS_OP_FGET_NT_ACL
,
988 SMB_VFS_LAYER_TRANSPARENT
},
990 { SMB_VFS_OP(gpfsacl_get_nt_acl
),
991 SMB_VFS_OP_GET_NT_ACL
,
992 SMB_VFS_LAYER_TRANSPARENT
},
994 { SMB_VFS_OP(gpfsacl_fset_nt_acl
),
995 SMB_VFS_OP_FSET_NT_ACL
,
996 SMB_VFS_LAYER_TRANSPARENT
},
998 { SMB_VFS_OP(gpfsacl_sys_acl_get_file
),
999 SMB_VFS_OP_SYS_ACL_GET_FILE
,
1000 SMB_VFS_LAYER_TRANSPARENT
},
1002 { SMB_VFS_OP(gpfsacl_sys_acl_get_fd
),
1003 SMB_VFS_OP_SYS_ACL_GET_FD
,
1004 SMB_VFS_LAYER_TRANSPARENT
},
1006 { SMB_VFS_OP(gpfsacl_sys_acl_set_file
),
1007 SMB_VFS_OP_SYS_ACL_SET_FILE
,
1008 SMB_VFS_LAYER_TRANSPARENT
},
1010 { SMB_VFS_OP(gpfsacl_sys_acl_set_fd
),
1011 SMB_VFS_OP_SYS_ACL_SET_FD
,
1012 SMB_VFS_LAYER_TRANSPARENT
},
1014 { SMB_VFS_OP(gpfsacl_sys_acl_delete_def_file
),
1015 SMB_VFS_OP_SYS_ACL_DELETE_DEF_FILE
,
1016 SMB_VFS_LAYER_TRANSPARENT
},
1018 { SMB_VFS_OP(vfs_gpfs_chmod
),
1020 SMB_VFS_LAYER_TRANSPARENT
},
1022 { SMB_VFS_OP(vfs_gpfs_fchmod
),
1024 SMB_VFS_LAYER_TRANSPARENT
},
1026 { SMB_VFS_OP(vfs_gpfs_close
),
1028 SMB_VFS_LAYER_TRANSPARENT
},
1030 { SMB_VFS_OP(gpfs_set_xattr
),
1031 SMB_VFS_OP_SETXATTR
,
1032 SMB_VFS_LAYER_TRANSPARENT
},
1034 { SMB_VFS_OP(gpfs_get_xattr
),
1035 SMB_VFS_OP_GETXATTR
,
1036 SMB_VFS_LAYER_TRANSPARENT
},
1038 { SMB_VFS_OP(NULL
), SMB_VFS_OP_NOOP
, SMB_VFS_LAYER_NOOP
}
1043 NTSTATUS
vfs_gpfs_init(void);
1044 NTSTATUS
vfs_gpfs_init(void)
1048 return smb_register_vfs(SMB_VFS_INTERFACE_VERSION
, "gpfs",