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/>.
29 #define DBGC_CLASS DBGC_VFS
32 #include "nfs4_acls.h"
35 static int vfs_gpfs_kernel_flock(vfs_handle_struct
*handle
, files_struct
*fsp
,
39 START_PROFILE(syscall_kernel_flock
);
41 kernel_flock(fsp
->fh
->fd
, share_mode
);
43 if (!set_gpfs_sharemode(fsp
, fsp
->access_mask
, fsp
->share_access
)) {
49 END_PROFILE(syscall_kernel_flock
);
54 static int vfs_gpfs_setlease(vfs_handle_struct
*handle
, files_struct
*fsp
,
59 START_PROFILE(syscall_linux_setlease
);
61 if ( linux_set_lease_sighandler(fsp
->fh
->fd
) == -1)
64 ret
= set_gpfs_lease(fsp
->fh
->fd
,leasetype
);
67 /* This must have come from GPFS not being available */
68 /* or some other error, hence call the default */
69 ret
= linux_setlease(fsp
->fh
->fd
, leasetype
);
72 END_PROFILE(syscall_linux_setlease
);
79 static void gpfs_dumpacl(int level
, struct gpfs_acl
*gacl
)
84 DEBUG(0, ("gpfs acl is NULL\n"));
88 DEBUG(level
, ("gpfs acl: nace: %d, type:%d, version:%d, level:%d, len:%d\n",
89 gacl
->acl_nace
, gacl
->acl_type
, gacl
->acl_version
, gacl
->acl_level
, gacl
->acl_len
));
90 for(i
=0; i
<gacl
->acl_nace
; i
++)
92 struct gpfs_ace_v4
*gace
= gacl
->ace_v4
+ i
;
93 DEBUG(level
, ("\tace[%d]: type:%d, flags:0x%x, mask:0x%x, iflags:0x%x, who:%u\n",
94 i
, gace
->aceType
, gace
->aceFlags
, gace
->aceMask
,
95 gace
->aceIFlags
, gace
->aceWho
));
99 static struct gpfs_acl
*gpfs_getacl_alloc(const char *fname
, gpfs_aclType_t type
)
101 struct gpfs_acl
*acl
;
104 TALLOC_CTX
*mem_ctx
= talloc_tos();
106 acl
= (struct gpfs_acl
*)TALLOC_SIZE(mem_ctx
, len
);
114 acl
->acl_version
= 0;
115 acl
->acl_type
= type
;
117 ret
= smbd_gpfs_getacl((char *)fname
, GPFS_GETACL_STRUCT
| GPFS_ACL_SAMBA
, acl
);
118 if ((ret
!= 0) && (errno
== ENOSPC
)) {
119 struct gpfs_acl
*new_acl
= (struct gpfs_acl
*)TALLOC_SIZE(
120 mem_ctx
, acl
->acl_len
+ sizeof(struct gpfs_acl
));
121 if (new_acl
== NULL
) {
126 new_acl
->acl_len
= acl
->acl_len
;
127 new_acl
->acl_level
= acl
->acl_level
;
128 new_acl
->acl_version
= acl
->acl_version
;
129 new_acl
->acl_type
= acl
->acl_type
;
132 ret
= smbd_gpfs_getacl((char *)fname
, GPFS_GETACL_STRUCT
| GPFS_ACL_SAMBA
, acl
);
136 DEBUG(8, ("smbd_gpfs_getacl failed with %s\n",strerror(errno
)));
143 /* Tries to get nfs4 acls and returns SMB ACL allocated.
144 * On failure returns 1 if it got non-NFSv4 ACL to prompt
145 * retry with POSIX ACL checks.
146 * On failure returns -1 if there is system (GPFS) error, check errno.
147 * Returns 0 on success
149 static int gpfs_get_nfs4_acl(const char *fname
, SMB4ACL_T
**ppacl
)
152 struct gpfs_acl
*gacl
= NULL
;
153 DEBUG(10, ("gpfs_get_nfs4_acl invoked for %s\n", fname
));
155 /* First get the real acl length */
156 gacl
= gpfs_getacl_alloc(fname
, 0);
158 DEBUG(9, ("gpfs_getacl failed for %s with %s\n",
159 fname
, strerror(errno
)));
163 if (gacl
->acl_type
!= GPFS_ACL_TYPE_NFS4
) {
164 DEBUG(10, ("Got non-nfsv4 acl\n"));
165 /* Retry with POSIX ACLs check */
169 *ppacl
= smb_create_smb4acl();
171 DEBUG(10, ("len: %d, level: %d, version: %d, nace: %d\n",
172 gacl
->acl_len
, gacl
->acl_level
, gacl
->acl_version
,
175 for (i
=0; i
<gacl
->acl_nace
; i
++) {
176 struct gpfs_ace_v4
*gace
= &gacl
->ace_v4
[i
];
177 SMB_ACE4PROP_T smbace
;
178 DEBUG(10, ("type: %d, iflags: %x, flags: %x, mask: %x, "
179 "who: %d\n", gace
->aceType
, gace
->aceIFlags
,
180 gace
->aceFlags
, gace
->aceMask
, gace
->aceWho
));
182 memset(&smbace
, 0, sizeof(SMB4ACE_T
));
183 if (gace
->aceIFlags
& ACE4_IFLAG_SPECIAL_ID
) {
184 smbace
.flags
|= SMB_ACE4_ID_SPECIAL
;
185 switch (gace
->aceWho
) {
186 case ACE4_SPECIAL_OWNER
:
187 smbace
.who
.special_id
= SMB_ACE4_WHO_OWNER
;
189 case ACE4_SPECIAL_GROUP
:
190 smbace
.who
.special_id
= SMB_ACE4_WHO_GROUP
;
192 case ACE4_SPECIAL_EVERYONE
:
193 smbace
.who
.special_id
= SMB_ACE4_WHO_EVERYONE
;
196 DEBUG(8, ("invalid special gpfs id %d "
197 "ignored\n", gace
->aceWho
));
198 continue; /* don't add it */
201 if (gace
->aceFlags
& ACE4_FLAG_GROUP_ID
)
202 smbace
.who
.gid
= gace
->aceWho
;
204 smbace
.who
.uid
= gace
->aceWho
;
207 /* remove redundent deny entries */
208 if (i
> 0 && gace
->aceType
== SMB_ACE4_ACCESS_DENIED_ACE_TYPE
) {
209 struct gpfs_ace_v4
*prev
= &gacl
->ace_v4
[i
-1];
210 if (prev
->aceType
== SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE
&&
211 prev
->aceFlags
== gace
->aceFlags
&&
212 prev
->aceIFlags
== gace
->aceIFlags
&&
213 (gace
->aceMask
& prev
->aceMask
) == 0 &&
214 gace
->aceWho
== prev
->aceWho
) {
215 /* its redundent - skip it */
220 smbace
.aceType
= gace
->aceType
;
221 smbace
.aceFlags
= gace
->aceFlags
;
222 smbace
.aceMask
= gace
->aceMask
;
223 smb_add_ace4(*ppacl
, &smbace
);
229 static NTSTATUS
gpfsacl_fget_nt_acl(vfs_handle_struct
*handle
,
230 files_struct
*fsp
, uint32 security_info
,
233 SMB4ACL_T
*pacl
= NULL
;
237 result
= gpfs_get_nfs4_acl(fsp
->fsp_name
, &pacl
);
240 return smb_fget_nt_acl_nfs4(fsp
, security_info
, ppdesc
, pacl
);
243 DEBUG(10, ("retrying with posix acl...\n"));
244 return posix_fget_nt_acl(fsp
, security_info
, ppdesc
);
247 /* GPFS ACL was not read, something wrong happened, error code is set in errno */
248 return map_nt_error_from_unix(errno
);
251 static NTSTATUS
gpfsacl_get_nt_acl(vfs_handle_struct
*handle
,
253 uint32 security_info
, SEC_DESC
**ppdesc
)
255 SMB4ACL_T
*pacl
= NULL
;
259 result
= gpfs_get_nfs4_acl(name
, &pacl
);
262 return smb_get_nt_acl_nfs4(handle
->conn
, name
, security_info
, ppdesc
, pacl
);
265 DEBUG(10, ("retrying with posix acl...\n"));
266 return posix_get_nt_acl(handle
->conn
, name
, security_info
, ppdesc
);
269 /* GPFS ACL was not read, something wrong happened, error code is set in errno */
270 return map_nt_error_from_unix(errno
);
273 static bool gpfsacl_process_smbacl(files_struct
*fsp
, SMB4ACL_T
*smbacl
)
276 gpfs_aclLen_t gacl_len
;
278 struct gpfs_acl
*gacl
;
279 TALLOC_CTX
*mem_ctx
= talloc_tos();
281 gacl_len
= sizeof(struct gpfs_acl
) +
282 (smb_get_naces(smbacl
)-1)*sizeof(gpfs_ace_v4_t
);
284 gacl
= TALLOC_SIZE(mem_ctx
, gacl_len
);
286 DEBUG(0, ("talloc failed\n"));
291 gacl
->acl_len
= gacl_len
;
293 gacl
->acl_version
= GPFS_ACL_VERSION_NFS4
;
294 gacl
->acl_type
= GPFS_ACL_TYPE_NFS4
;
295 gacl
->acl_nace
= 0; /* change later... */
297 for (smbace
=smb_first_ace4(smbacl
); smbace
!=NULL
; smbace
= smb_next_ace4(smbace
)) {
298 struct gpfs_ace_v4
*gace
= &gacl
->ace_v4
[gacl
->acl_nace
];
299 SMB_ACE4PROP_T
*aceprop
= smb_get_ace4(smbace
);
301 gace
->aceType
= aceprop
->aceType
;
302 gace
->aceFlags
= aceprop
->aceFlags
;
303 gace
->aceMask
= aceprop
->aceMask
;
306 * GPFS can't distinguish between WRITE and APPEND on
307 * files, so one being set without the other is an
308 * error. Sorry for the many ()'s :-)
311 if (!fsp
->is_directory
313 ((((gace
->aceMask
& ACE4_MASK_WRITE
) == 0)
314 && ((gace
->aceMask
& ACE4_MASK_APPEND
) != 0))
316 (((gace
->aceMask
& ACE4_MASK_WRITE
) != 0)
317 && ((gace
->aceMask
& ACE4_MASK_APPEND
) == 0)))
319 lp_parm_bool(fsp
->conn
->params
->service
, "gpfs",
320 "merge_writeappend", True
)) {
321 DEBUG(2, ("vfs_gpfs.c: file [%s]: ACE contains "
322 "WRITE^APPEND, setting WRITE|APPEND\n",
324 gace
->aceMask
|= ACE4_MASK_WRITE
|ACE4_MASK_APPEND
;
327 gace
->aceIFlags
= (aceprop
->flags
&SMB_ACE4_ID_SPECIAL
) ? ACE4_IFLAG_SPECIAL_ID
: 0;
329 if (aceprop
->flags
&SMB_ACE4_ID_SPECIAL
)
331 switch(aceprop
->who
.special_id
)
333 case SMB_ACE4_WHO_EVERYONE
:
334 gace
->aceWho
= ACE4_SPECIAL_EVERYONE
;
336 case SMB_ACE4_WHO_OWNER
:
337 gace
->aceWho
= ACE4_SPECIAL_OWNER
;
339 case SMB_ACE4_WHO_GROUP
:
340 gace
->aceWho
= ACE4_SPECIAL_GROUP
;
343 DEBUG(8, ("unsupported special_id %d\n", aceprop
->who
.special_id
));
344 continue; /* don't add it !!! */
347 /* just only for the type safety... */
348 if (aceprop
->aceFlags
&SMB_ACE4_IDENTIFIER_GROUP
)
349 gace
->aceWho
= aceprop
->who
.gid
;
351 gace
->aceWho
= aceprop
->who
.uid
;
357 ret
= smbd_gpfs_putacl(fsp
->fsp_name
, GPFS_PUTACL_STRUCT
| GPFS_ACL_SAMBA
, gacl
);
359 DEBUG(8, ("gpfs_putacl failed with %s\n", strerror(errno
)));
360 gpfs_dumpacl(8, gacl
);
364 DEBUG(10, ("gpfs_putacl succeeded\n"));
368 static NTSTATUS
gpfsacl_set_nt_acl_internal(files_struct
*fsp
, uint32 security_info_sent
, SEC_DESC
*psd
)
370 struct gpfs_acl
*acl
;
371 NTSTATUS result
= NT_STATUS_ACCESS_DENIED
;
373 acl
= gpfs_getacl_alloc(fsp
->fsp_name
, 0);
377 if (acl
->acl_version
&GPFS_ACL_VERSION_NFS4
)
379 result
= smb_set_nt_acl_nfs4(
380 fsp
, security_info_sent
, psd
,
381 gpfsacl_process_smbacl
);
382 } else { /* assume POSIX ACL - by default... */
383 result
= set_nt_acl(fsp
, security_info_sent
, psd
);
389 static NTSTATUS
gpfsacl_fset_nt_acl(vfs_handle_struct
*handle
, files_struct
*fsp
, uint32 security_info_sent
, SEC_DESC
*psd
)
391 return gpfsacl_set_nt_acl_internal(fsp
, security_info_sent
, psd
);
394 static SMB_ACL_T
gpfs2smb_acl(const struct gpfs_acl
*pacl
)
399 result
= sys_acl_init(pacl
->acl_nace
);
400 if (result
== NULL
) {
405 result
->count
= pacl
->acl_nace
;
407 for (i
=0; i
<pacl
->acl_nace
; i
++) {
408 struct smb_acl_entry
*ace
= &result
->acl
[i
];
409 const struct gpfs_ace_v1
*g_ace
= &pacl
->ace_v1
[i
];
411 DEBUG(10, ("Converting type %d id %lu perm %x\n",
412 (int)g_ace
->ace_type
, (unsigned long)g_ace
->ace_who
,
413 (int)g_ace
->ace_perm
));
415 switch (g_ace
->ace_type
) {
417 ace
->a_type
= SMB_ACL_USER
;
418 ace
->uid
= (uid_t
)g_ace
->ace_who
;
420 case GPFS_ACL_USER_OBJ
:
421 ace
->a_type
= SMB_ACL_USER_OBJ
;
424 ace
->a_type
= SMB_ACL_GROUP
;
425 ace
->gid
= (gid_t
)g_ace
->ace_who
;
427 case GPFS_ACL_GROUP_OBJ
:
428 ace
->a_type
= SMB_ACL_GROUP_OBJ
;
431 ace
->a_type
= SMB_ACL_OTHER
;
434 ace
->a_type
= SMB_ACL_MASK
;
437 DEBUG(10, ("Got invalid ace_type: %d\n",
445 ace
->a_perm
|= (g_ace
->ace_perm
& ACL_PERM_READ
) ?
447 ace
->a_perm
|= (g_ace
->ace_perm
& ACL_PERM_WRITE
) ?
449 ace
->a_perm
|= (g_ace
->ace_perm
& ACL_PERM_EXECUTE
) ?
452 DEBUGADD(10, ("Converted to %d perm %x\n",
453 ace
->a_type
, ace
->a_perm
));
459 static SMB_ACL_T
gpfsacl_get_posix_acl(const char *path
, gpfs_aclType_t type
)
461 struct gpfs_acl
*pacl
;
462 SMB_ACL_T result
= NULL
;
464 pacl
= gpfs_getacl_alloc(path
, type
);
467 DEBUG(10, ("gpfs_getacl failed for %s with %s\n",
468 path
, strerror(errno
)));
475 if (pacl
->acl_version
!= GPFS_ACL_VERSION_POSIX
) {
476 DEBUG(10, ("Got acl version %d, expected %d\n",
477 pacl
->acl_version
, GPFS_ACL_VERSION_POSIX
));
482 DEBUG(10, ("len: %d, level: %d, version: %d, nace: %d\n",
483 pacl
->acl_len
, pacl
->acl_level
, pacl
->acl_version
,
486 result
= gpfs2smb_acl(pacl
);
487 if (result
== NULL
) {
499 SMB_ACL_T
gpfsacl_sys_acl_get_file(vfs_handle_struct
*handle
,
504 gpfs_aclType_t gpfs_type
;
507 case SMB_ACL_TYPE_ACCESS
:
508 gpfs_type
= GPFS_ACL_TYPE_ACCESS
;
510 case SMB_ACL_TYPE_DEFAULT
:
511 gpfs_type
= GPFS_ACL_TYPE_DEFAULT
;
514 DEBUG(0, ("Got invalid type: %d\n", type
));
515 smb_panic("exiting");
518 return gpfsacl_get_posix_acl(path_p
, gpfs_type
);
521 SMB_ACL_T
gpfsacl_sys_acl_get_fd(vfs_handle_struct
*handle
,
524 return gpfsacl_get_posix_acl(fsp
->fsp_name
, GPFS_ACL_TYPE_ACCESS
);
527 static struct gpfs_acl
*smb2gpfs_acl(const SMB_ACL_T pacl
,
531 struct gpfs_acl
*result
;
535 gpfs_ace_v1_t ace_v1
[1]; /* when GPFS_ACL_VERSION_POSIX */
536 gpfs_ace_v4_t ace_v4
[1]; /* when GPFS_ACL_VERSION_NFS4 */
539 DEBUG(10, ("smb2gpfs_acl: Got ACL with %d entries\n", pacl
->count
));
541 len
= sizeof(struct gpfs_acl
) - sizeof(union gpfs_ace_union
) +
542 (pacl
->count
)*sizeof(gpfs_ace_v1_t
);
544 result
= SMB_MALLOC(len
);
545 if (result
== NULL
) {
550 result
->acl_len
= len
;
551 result
->acl_level
= 0;
552 result
->acl_version
= GPFS_ACL_VERSION_POSIX
;
553 result
->acl_type
= (type
== SMB_ACL_TYPE_DEFAULT
) ?
554 GPFS_ACL_TYPE_DEFAULT
: GPFS_ACL_TYPE_ACCESS
;
555 result
->acl_nace
= pacl
->count
;
557 for (i
=0; i
<pacl
->count
; i
++) {
558 const struct smb_acl_entry
*ace
= &pacl
->acl
[i
];
559 struct gpfs_ace_v1
*g_ace
= &result
->ace_v1
[i
];
561 DEBUG(10, ("Converting type %d perm %x\n",
562 (int)ace
->a_type
, (int)ace
->a_perm
));
566 switch(ace
->a_type
) {
568 g_ace
->ace_type
= GPFS_ACL_USER
;
569 g_ace
->ace_who
= (gpfs_uid_t
)ace
->uid
;
571 case SMB_ACL_USER_OBJ
:
572 g_ace
->ace_type
= GPFS_ACL_USER_OBJ
;
573 g_ace
->ace_perm
|= ACL_PERM_CONTROL
;
577 g_ace
->ace_type
= GPFS_ACL_GROUP
;
578 g_ace
->ace_who
= (gpfs_uid_t
)ace
->gid
;
580 case SMB_ACL_GROUP_OBJ
:
581 g_ace
->ace_type
= GPFS_ACL_GROUP_OBJ
;
585 g_ace
->ace_type
= GPFS_ACL_MASK
;
586 g_ace
->ace_perm
= 0x8f;
590 g_ace
->ace_type
= GPFS_ACL_OTHER
;
594 DEBUG(10, ("Got invalid ace_type: %d\n", ace
->a_type
));
600 g_ace
->ace_perm
|= (ace
->a_perm
& SMB_ACL_READ
) ?
602 g_ace
->ace_perm
|= (ace
->a_perm
& SMB_ACL_WRITE
) ?
604 g_ace
->ace_perm
|= (ace
->a_perm
& SMB_ACL_EXECUTE
) ?
605 ACL_PERM_EXECUTE
: 0;
607 DEBUGADD(10, ("Converted to %d id %d perm %x\n",
608 g_ace
->ace_type
, g_ace
->ace_who
, g_ace
->ace_perm
));
614 int gpfsacl_sys_acl_set_file(vfs_handle_struct
*handle
,
620 struct gpfs_acl
*gpfs_acl
;
623 gpfs_acl
= smb2gpfs_acl(theacl
, type
);
624 if (gpfs_acl
== NULL
) {
628 result
= smbd_gpfs_putacl((char *)name
, GPFS_PUTACL_STRUCT
| GPFS_ACL_SAMBA
, gpfs_acl
);
634 int gpfsacl_sys_acl_set_fd(vfs_handle_struct
*handle
,
638 return gpfsacl_sys_acl_set_file(handle
, fsp
->fsp_name
, SMB_ACL_TYPE_ACCESS
, theacl
);
641 int gpfsacl_sys_acl_delete_def_file(vfs_handle_struct
*handle
,
650 * Assumed: mode bits are shiftable and standard
651 * Output: the new aceMask field for an smb nfs4 ace
653 static uint32
gpfsacl_mask_filter(uint32 aceType
, uint32 aceMask
, uint32 rwx
)
655 const uint32 posix_nfs4map
[3] = {
656 SMB_ACE4_EXECUTE
, /* execute */
657 SMB_ACE4_WRITE_DATA
| SMB_ACE4_APPEND_DATA
, /* write; GPFS specific */
658 SMB_ACE4_READ_DATA
/* read */
661 uint32_t posix_mask
= 0x01;
666 nfs4_bits
= posix_nfs4map
[i
];
667 posix_bit
= rwx
& posix_mask
;
669 if (aceType
==SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE
) {
671 aceMask
|= nfs4_bits
;
673 aceMask
&= ~nfs4_bits
;
675 /* add deny bits when suitable */
677 aceMask
|= nfs4_bits
;
679 aceMask
&= ~nfs4_bits
;
680 } /* other ace types are unexpected */
688 static int gpfsacl_emu_chmod(const char *path
, mode_t mode
)
690 SMB4ACL_T
*pacl
= NULL
;
692 bool haveAllowEntry
[SMB_ACE4_WHO_EVERYONE
+ 1] = {False
, False
, False
, False
};
694 files_struct fake_fsp
; /* TODO: rationalize parametrization */
697 DEBUG(10, ("gpfsacl_emu_chmod invoked for %s mode %o\n", path
, mode
));
699 result
= gpfs_get_nfs4_acl(path
, &pacl
);
703 if (mode
& ~(S_IRWXU
| S_IRWXG
| S_IRWXO
)) {
704 DEBUG(2, ("WARNING: cutting extra mode bits %o on %s\n", mode
, path
));
707 for (smbace
=smb_first_ace4(pacl
); smbace
!=NULL
; smbace
= smb_next_ace4(smbace
)) {
708 SMB_ACE4PROP_T
*ace
= smb_get_ace4(smbace
);
709 uint32_t specid
= ace
->who
.special_id
;
711 if (ace
->flags
&SMB_ACE4_ID_SPECIAL
&&
712 ace
->aceType
<=SMB_ACE4_ACCESS_DENIED_ACE_TYPE
&&
713 specid
<= SMB_ACE4_WHO_EVERYONE
) {
717 if (ace
->aceType
==SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE
)
718 haveAllowEntry
[specid
] = True
;
720 /* mode >> 6 for @owner, mode >> 3 for @group,
721 * mode >> 0 for @everyone */
722 newMask
= gpfsacl_mask_filter(ace
->aceType
, ace
->aceMask
,
723 mode
>> ((SMB_ACE4_WHO_EVERYONE
- specid
) * 3));
724 if (ace
->aceMask
!=newMask
) {
725 DEBUG(10, ("ace changed for %s (%o -> %o) id=%d\n",
726 path
, ace
->aceMask
, newMask
, specid
));
728 ace
->aceMask
= newMask
;
732 /* make sure we have at least ALLOW entries
733 * for all the 3 special ids (@EVERYONE, @OWNER, @GROUP)
736 for(i
= SMB_ACE4_WHO_OWNER
; i
<=SMB_ACE4_WHO_EVERYONE
; i
++) {
739 if (haveAllowEntry
[i
]==True
)
742 memset(&ace
, 0, sizeof(SMB_ACE4PROP_T
));
743 ace
.aceType
= SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE
;
744 ace
.flags
|= SMB_ACE4_ID_SPECIAL
;
745 ace
.who
.special_id
= i
;
747 if (i
==SMB_ACE4_WHO_GROUP
) /* not sure it's necessary... */
748 ace
.aceFlags
|= SMB_ACE4_IDENTIFIER_GROUP
;
750 ace
.aceMask
= gpfsacl_mask_filter(ace
.aceType
, ace
.aceMask
,
751 mode
>> ((SMB_ACE4_WHO_EVERYONE
- i
) * 3));
753 /* don't add unnecessary aces */
757 /* we add it to the END - as windows expects allow aces */
758 smb_add_ace4(pacl
, &ace
);
759 DEBUG(10, ("Added ALLOW ace for %s, mode=%o, id=%d, aceMask=%x\n",
760 path
, mode
, i
, ace
.aceMask
));
763 /* don't add complementary DENY ACEs here */
764 memset(&fake_fsp
, 0, sizeof(struct files_struct
));
765 fake_fsp
.fsp_name
= (char *)path
; /* no file_new is needed here */
768 if (gpfsacl_process_smbacl(&fake_fsp
, pacl
) == False
)
770 return 0; /* ok for [f]chmod */
773 static int vfs_gpfs_chmod(vfs_handle_struct
*handle
, const char *path
, mode_t mode
)
778 if (SMB_VFS_NEXT_STAT(handle
, path
, &st
) != 0) {
782 /* avoid chmod() if possible, to preserve acls */
783 if ((st
.st_mode
& ~S_IFMT
) == mode
) {
787 rc
= gpfsacl_emu_chmod(path
, mode
);
789 return SMB_VFS_NEXT_CHMOD(handle
, path
, mode
);
793 static int vfs_gpfs_fchmod(vfs_handle_struct
*handle
, files_struct
*fsp
, mode_t mode
)
798 if (SMB_VFS_NEXT_FSTAT(handle
, fsp
, &st
) != 0) {
802 /* avoid chmod() if possible, to preserve acls */
803 if ((st
.st_mode
& ~S_IFMT
) == mode
) {
807 rc
= gpfsacl_emu_chmod(fsp
->fsp_name
, mode
);
809 return SMB_VFS_NEXT_FCHMOD(handle
, fsp
, mode
);
813 /* VFS operations structure */
815 static vfs_op_tuple gpfs_op_tuples
[] = {
817 { SMB_VFS_OP(vfs_gpfs_kernel_flock
),
818 SMB_VFS_OP_KERNEL_FLOCK
,
819 SMB_VFS_LAYER_OPAQUE
},
821 { SMB_VFS_OP(vfs_gpfs_setlease
),
822 SMB_VFS_OP_LINUX_SETLEASE
,
823 SMB_VFS_LAYER_OPAQUE
},
825 { SMB_VFS_OP(gpfsacl_fget_nt_acl
),
826 SMB_VFS_OP_FGET_NT_ACL
,
827 SMB_VFS_LAYER_TRANSPARENT
},
829 { SMB_VFS_OP(gpfsacl_get_nt_acl
),
830 SMB_VFS_OP_GET_NT_ACL
,
831 SMB_VFS_LAYER_TRANSPARENT
},
833 { SMB_VFS_OP(gpfsacl_fset_nt_acl
),
834 SMB_VFS_OP_FSET_NT_ACL
,
835 SMB_VFS_LAYER_TRANSPARENT
},
837 { SMB_VFS_OP(gpfsacl_sys_acl_get_file
),
838 SMB_VFS_OP_SYS_ACL_GET_FILE
,
839 SMB_VFS_LAYER_TRANSPARENT
},
841 { SMB_VFS_OP(gpfsacl_sys_acl_get_fd
),
842 SMB_VFS_OP_SYS_ACL_GET_FD
,
843 SMB_VFS_LAYER_TRANSPARENT
},
845 { SMB_VFS_OP(gpfsacl_sys_acl_set_file
),
846 SMB_VFS_OP_SYS_ACL_SET_FILE
,
847 SMB_VFS_LAYER_TRANSPARENT
},
849 { SMB_VFS_OP(gpfsacl_sys_acl_set_fd
),
850 SMB_VFS_OP_SYS_ACL_SET_FD
,
851 SMB_VFS_LAYER_TRANSPARENT
},
853 { SMB_VFS_OP(gpfsacl_sys_acl_delete_def_file
),
854 SMB_VFS_OP_SYS_ACL_DELETE_DEF_FILE
,
855 SMB_VFS_LAYER_TRANSPARENT
},
857 { SMB_VFS_OP(vfs_gpfs_chmod
),
859 SMB_VFS_LAYER_TRANSPARENT
},
861 { SMB_VFS_OP(vfs_gpfs_fchmod
),
863 SMB_VFS_LAYER_TRANSPARENT
},
865 { SMB_VFS_OP(NULL
), SMB_VFS_OP_NOOP
, SMB_VFS_LAYER_NOOP
}
870 NTSTATUS
vfs_gpfs_init(void);
871 NTSTATUS
vfs_gpfs_init(void)
875 return smb_register_vfs(SMB_VFS_INTERFACE_VERSION
, "gpfs",