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 2 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, write to the Free Software
22 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
30 #define DBGC_CLASS DBGC_VFS
33 #include "nfs4_acls.h"
36 static int vfs_gpfs_kernel_flock(vfs_handle_struct
*handle
, files_struct
*fsp
,
37 int fd
, uint32 share_mode
)
40 START_PROFILE(syscall_kernel_flock
);
42 kernel_flock(fsp
->fh
->fd
, share_mode
);
44 if (!set_gpfs_sharemode(fsp
, fsp
->access_mask
, fsp
->share_access
)) {
50 END_PROFILE(syscall_kernel_flock
);
55 static int vfs_gpfs_setlease(vfs_handle_struct
*handle
, files_struct
*fsp
,
56 int fd
, int leasetype
)
60 START_PROFILE(syscall_linux_setlease
);
62 if ( linux_set_lease_sighandler(fd
) == -1)
65 ret
= set_gpfs_lease(fd
,leasetype
);
68 /* This must have come from GPFS not being available */
69 /* or some other error, hence call the default */
70 ret
= linux_setlease(fd
, leasetype
);
73 END_PROFILE(syscall_linux_setlease
);
80 static void gpfs_dumpacl(int level
, struct gpfs_acl
*gacl
)
85 DEBUG(0, ("gpfs acl is NULL\n"));
89 DEBUG(level
, ("gpfs acl: nace: %d, type:%d, version:%d, level:%d, len:%d\n",
90 gacl
->acl_nace
, gacl
->acl_type
, gacl
->acl_version
, gacl
->acl_level
, gacl
->acl_len
));
91 for(i
=0; i
<gacl
->acl_nace
; i
++)
93 struct gpfs_ace_v4
*gace
= gacl
->ace_v4
+ i
;
94 DEBUG(level
, ("\tace[%d]: type:%d, flags:0x%x, mask:0x%x, iflags:0x%x, who:%u\n",
95 i
, gace
->aceType
, gace
->aceFlags
, gace
->aceMask
,
96 gace
->aceIFlags
, gace
->aceWho
));
100 static struct gpfs_acl
*gpfs_getacl_alloc(const char *fname
, gpfs_aclType_t type
)
102 struct gpfs_acl
*acl
;
105 TALLOC_CTX
*mem_ctx
= main_loop_talloc_get();
107 acl
= (struct gpfs_acl
*)TALLOC_SIZE(mem_ctx
, len
);
115 acl
->acl_version
= 0;
116 acl
->acl_type
= type
;
118 ret
= smbd_gpfs_getacl((char *)fname
, GPFS_GETACL_STRUCT
| GPFS_ACL_SAMBA
, acl
);
119 if ((ret
!= 0) && (errno
== ENOSPC
)) {
120 struct gpfs_acl
*new_acl
= (struct gpfs_acl
*)TALLOC_SIZE(
121 mem_ctx
, acl
->acl_len
+ sizeof(struct gpfs_acl
));
122 if (new_acl
== NULL
) {
127 new_acl
->acl_len
= acl
->acl_len
;
128 new_acl
->acl_level
= acl
->acl_level
;
129 new_acl
->acl_version
= acl
->acl_version
;
130 new_acl
->acl_type
= acl
->acl_type
;
133 ret
= smbd_gpfs_getacl((char *)fname
, GPFS_GETACL_STRUCT
| GPFS_ACL_SAMBA
, acl
);
137 DEBUG(8, ("smbd_gpfs_getacl failed with %s\n",strerror(errno
)));
144 static BOOL
gpfs_get_nfs4_acl(struct files_struct
*fsp
, SMB4ACL_T
**ppacl
, BOOL
*pretryPosix
)
148 struct gpfs_acl
*gacl
= NULL
;
150 mem_ctx
= main_loop_talloc_get();
152 DEBUG(10, ("gpfs_get_nfs4_acl invoked for %s\n", fsp
->fsp_name
));
154 /* First get the real acl length */
155 gacl
= gpfs_getacl_alloc(fsp
->fsp_name
, GPFS_ACL_TYPE_NFS4
);
157 DEBUG(9, ("gpfs_getacl failed for %s with %s\n",
158 fsp
->fsp_name
, strerror(errno
)));
162 if (gacl
->acl_type
!= GPFS_ACL_TYPE_NFS4
) {
163 DEBUG(10, ("Got non-nfsv4 acl\n"));
168 *ppacl
= smb_create_smb4acl();
170 DEBUG(10, ("len: %d, level: %d, version: %d, nace: %d\n",
171 gacl
->acl_len
, gacl
->acl_level
, gacl
->acl_version
,
174 for (i
=0; i
<gacl
->acl_nace
; i
++) {
175 struct gpfs_ace_v4
*gace
= &gacl
->ace_v4
[i
];
176 SMB_ACE4PROP_T smbace
;
177 memset(&smbace
, 0, sizeof(SMB4ACE_T
));
179 DEBUG(10, ("type: %d, iflags: %x, flags: %x, mask: %x, "
180 "who: %d\n", gace
->aceType
, gace
->aceIFlags
,
181 gace
->aceFlags
, gace
->aceMask
, gace
->aceWho
));
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 smbace
.aceType
= gace
->aceType
;
208 smbace
.aceFlags
= gace
->aceFlags
;
209 smbace
.aceMask
= gace
->aceMask
;
210 smbace
.flags
= (gace
->aceIFlags
&ACE4_IFLAG_SPECIAL_ID
) ? SMB_ACE4_ID_SPECIAL
: 0;
212 smb_add_ace4(*ppacl
, &smbace
);
218 static size_t gpfsacl_get_nt_acl_common(files_struct
*fsp
,
219 uint32 security_info
, SEC_DESC
**ppdesc
)
221 SMB4ACL_T
*pacl
= NULL
;
223 BOOL retryPosix
= False
;
226 result
= gpfs_get_nfs4_acl(fsp
, &pacl
, &retryPosix
);
229 DEBUG(10, ("retrying with posix acl...\n"));
230 return get_nt_acl(fsp
, security_info
, ppdesc
);
235 return smb_get_nt_acl_nfs4(fsp
, security_info
, ppdesc
, pacl
);
238 size_t gpfsacl_fget_nt_acl(vfs_handle_struct
*handle
,
239 files_struct
*fsp
, int fd
, uint32 security_info
,
242 return gpfsacl_get_nt_acl_common(fsp
, security_info
, ppdesc
);
245 size_t gpfsacl_get_nt_acl(vfs_handle_struct
*handle
,
246 files_struct
*fsp
, const char *name
,
247 uint32 security_info
, SEC_DESC
**ppdesc
)
249 return gpfsacl_get_nt_acl_common(fsp
, security_info
, ppdesc
);
252 static BOOL
gpfsacl_process_smbacl(files_struct
*fsp
, SMB4ACL_T
*smbacl
)
255 gpfs_aclLen_t gacl_len
;
257 struct gpfs_acl
*gacl
;
258 TALLOC_CTX
*mem_ctx
= main_loop_talloc_get();
260 gacl_len
= sizeof(struct gpfs_acl
) +
261 (smb_get_naces(smbacl
)-1)*sizeof(gpfs_ace_v4_t
);
263 gacl
= TALLOC_SIZE(mem_ctx
, gacl_len
);
265 DEBUG(0, ("talloc failed\n"));
270 gacl
->acl_len
= gacl_len
;
272 gacl
->acl_version
= GPFS_ACL_VERSION_NFS4
;
273 gacl
->acl_type
= GPFS_ACL_TYPE_NFS4
;
274 gacl
->acl_nace
= 0; /* change later... */
276 for (smbace
=smb_first_ace4(smbacl
); smbace
!=NULL
; smbace
= smb_next_ace4(smbace
)) {
277 struct gpfs_ace_v4
*gace
= &gacl
->ace_v4
[gacl
->acl_nace
];
278 SMB_ACE4PROP_T
*aceprop
= smb_get_ace4(smbace
);
280 gace
->aceType
= aceprop
->aceType
;
281 gace
->aceFlags
= aceprop
->aceFlags
;
282 gace
->aceMask
= aceprop
->aceMask
;
283 gace
->aceIFlags
= (aceprop
->flags
&SMB_ACE4_ID_SPECIAL
) ? ACE4_IFLAG_SPECIAL_ID
: 0;
285 if (aceprop
->flags
&SMB_ACE4_ID_SPECIAL
)
287 switch(aceprop
->who
.special_id
)
289 case SMB_ACE4_WHO_EVERYONE
:
290 gace
->aceWho
= ACE4_SPECIAL_EVERYONE
;
292 case SMB_ACE4_WHO_OWNER
:
293 gace
->aceWho
= ACE4_SPECIAL_OWNER
;
295 case SMB_ACE4_WHO_GROUP
:
296 gace
->aceWho
= ACE4_SPECIAL_GROUP
;
299 DEBUG(8, ("unsupported special_id %d\n", aceprop
->who
.special_id
));
300 continue; /* don't add it !!! */
303 /* just only for the type safety... */
304 if (aceprop
->aceFlags
&SMB_ACE4_IDENTIFIER_GROUP
)
305 gace
->aceWho
= aceprop
->who
.gid
;
307 gace
->aceWho
= aceprop
->who
.uid
;
313 ret
= smbd_gpfs_putacl(fsp
->fsp_name
, GPFS_PUTACL_STRUCT
| GPFS_ACL_SAMBA
, gacl
);
315 DEBUG(8, ("gpfs_putacl failed with %s\n", strerror(errno
)));
316 gpfs_dumpacl(8, gacl
);
320 DEBUG(10, ("gpfs_putacl succeeded\n"));
324 static BOOL
gpfsacl_set_nt_acl_internal(files_struct
*fsp
, uint32 security_info_sent
, SEC_DESC
*psd
)
326 struct gpfs_acl
*acl
;
329 acl
= gpfs_getacl_alloc(fsp
->fsp_name
, GPFS_ACL_TYPE_ACCESS
);
333 if (acl
->acl_version
&GPFS_ACL_VERSION_NFS4
)
335 result
= smb_set_nt_acl_nfs4(
336 fsp
, security_info_sent
, psd
,
337 gpfsacl_process_smbacl
);
338 } else { /* assume POSIX ACL - by default... */
339 result
= set_nt_acl(fsp
, security_info_sent
, psd
);
345 static BOOL
gpfsacl_fset_nt_acl(vfs_handle_struct
*handle
, files_struct
*fsp
, int fd
, uint32 security_info_sent
, SEC_DESC
*psd
)
347 return gpfsacl_set_nt_acl_internal(fsp
, security_info_sent
, psd
);
350 static BOOL
gpfsacl_set_nt_acl(vfs_handle_struct
*handle
, files_struct
*fsp
, char *name
, uint32 security_info_sent
, SEC_DESC
*psd
)
352 return gpfsacl_set_nt_acl_internal(fsp
, security_info_sent
, psd
);
355 static SMB_ACL_T
gpfs2smb_acl(const struct gpfs_acl
*pacl
)
360 result
= sys_acl_init(pacl
->acl_nace
);
361 if (result
== NULL
) {
366 result
->count
= pacl
->acl_nace
;
368 for (i
=0; i
<pacl
->acl_nace
; i
++) {
369 struct smb_acl_entry
*ace
= &result
->acl
[i
];
370 const struct gpfs_ace_v1
*g_ace
= &pacl
->ace_v1
[i
];
372 DEBUG(10, ("Converting type %d id %lu perm %x\n",
373 (int)g_ace
->ace_type
, (unsigned long)g_ace
->ace_who
,
374 (int)g_ace
->ace_perm
));
376 switch (g_ace
->ace_type
) {
378 ace
->a_type
= SMB_ACL_USER
;
379 ace
->uid
= (uid_t
)g_ace
->ace_who
;
381 case GPFS_ACL_USER_OBJ
:
382 ace
->a_type
= SMB_ACL_USER_OBJ
;
385 ace
->a_type
= SMB_ACL_GROUP
;
386 ace
->gid
= (gid_t
)g_ace
->ace_who
;
388 case GPFS_ACL_GROUP_OBJ
:
389 ace
->a_type
= SMB_ACL_GROUP_OBJ
;
392 ace
->a_type
= SMB_ACL_OTHER
;
395 ace
->a_type
= SMB_ACL_MASK
;
398 DEBUG(10, ("Got invalid ace_type: %d\n",
406 ace
->a_perm
|= (g_ace
->ace_perm
& ACL_PERM_READ
) ?
408 ace
->a_perm
|= (g_ace
->ace_perm
& ACL_PERM_WRITE
) ?
410 ace
->a_perm
|= (g_ace
->ace_perm
& ACL_PERM_EXECUTE
) ?
413 DEBUGADD(10, ("Converted to %d perm %x\n",
414 ace
->a_type
, ace
->a_perm
));
420 static SMB_ACL_T
gpfsacl_get_posix_acl(const char *path
, gpfs_aclType_t type
)
422 struct gpfs_acl
*pacl
;
423 SMB_ACL_T result
= NULL
;
425 pacl
= gpfs_getacl_alloc(path
, type
);
428 DEBUG(10, ("gpfs_getacl failed for %s with %s\n",
429 path
, strerror(errno
)));
436 if (pacl
->acl_version
!= GPFS_ACL_VERSION_POSIX
) {
437 DEBUG(10, ("Got acl version %d, expected %d\n",
438 pacl
->acl_version
, GPFS_ACL_VERSION_POSIX
));
443 DEBUG(10, ("len: %d, level: %d, version: %d, nace: %d\n",
444 pacl
->acl_len
, pacl
->acl_level
, pacl
->acl_version
,
447 result
= gpfs2smb_acl(pacl
);
448 if (result
== NULL
) {
460 SMB_ACL_T
gpfsacl_sys_acl_get_file(vfs_handle_struct
*handle
,
465 gpfs_aclType_t gpfs_type
;
468 case SMB_ACL_TYPE_ACCESS
:
469 gpfs_type
= GPFS_ACL_TYPE_ACCESS
;
471 case SMB_ACL_TYPE_DEFAULT
:
472 gpfs_type
= GPFS_ACL_TYPE_DEFAULT
;
475 DEBUG(0, ("Got invalid type: %d\n", type
));
476 smb_panic("exiting");
479 return gpfsacl_get_posix_acl(path_p
, gpfs_type
);
482 SMB_ACL_T
gpfsacl_sys_acl_get_fd(vfs_handle_struct
*handle
,
486 return gpfsacl_get_posix_acl(fsp
->fsp_name
, GPFS_ACL_TYPE_ACCESS
);
489 static struct gpfs_acl
*smb2gpfs_acl(const SMB_ACL_T pacl
,
493 struct gpfs_acl
*result
;
497 gpfs_ace_v1_t ace_v1
[1]; /* when GPFS_ACL_VERSION_POSIX */
498 gpfs_ace_v4_t ace_v4
[1]; /* when GPFS_ACL_VERSION_NFS4 */
501 DEBUG(10, ("smb2gpfs_acl: Got ACL with %d entries\n", pacl
->count
));
503 len
= sizeof(struct gpfs_acl
) - sizeof(union gpfs_ace_union
) +
504 (pacl
->count
)*sizeof(gpfs_ace_v1_t
);
506 result
= SMB_MALLOC(len
);
507 if (result
== NULL
) {
512 result
->acl_len
= len
;
513 result
->acl_level
= 0;
514 result
->acl_version
= GPFS_ACL_VERSION_POSIX
;
515 result
->acl_type
= (type
== SMB_ACL_TYPE_DEFAULT
) ?
516 GPFS_ACL_TYPE_DEFAULT
: GPFS_ACL_TYPE_ACCESS
;
517 result
->acl_nace
= pacl
->count
;
519 for (i
=0; i
<pacl
->count
; i
++) {
520 const struct smb_acl_entry
*ace
= &pacl
->acl
[i
];
521 struct gpfs_ace_v1
*g_ace
= &result
->ace_v1
[i
];
523 DEBUG(10, ("Converting type %d perm %x\n",
524 (int)ace
->a_type
, (int)ace
->a_perm
));
528 switch(ace
->a_type
) {
530 g_ace
->ace_type
= GPFS_ACL_USER
;
531 g_ace
->ace_who
= (gpfs_uid_t
)ace
->uid
;
533 case SMB_ACL_USER_OBJ
:
534 g_ace
->ace_type
= GPFS_ACL_USER_OBJ
;
535 g_ace
->ace_perm
|= ACL_PERM_CONTROL
;
539 g_ace
->ace_type
= GPFS_ACL_GROUP
;
540 g_ace
->ace_who
= (gpfs_uid_t
)ace
->gid
;
542 case SMB_ACL_GROUP_OBJ
:
543 g_ace
->ace_type
= GPFS_ACL_GROUP_OBJ
;
547 g_ace
->ace_type
= GPFS_ACL_MASK
;
548 g_ace
->ace_perm
= 0x8f;
552 g_ace
->ace_type
= GPFS_ACL_OTHER
;
556 DEBUG(10, ("Got invalid ace_type: %d\n", ace
->a_type
));
562 g_ace
->ace_perm
|= (ace
->a_perm
& SMB_ACL_READ
) ?
564 g_ace
->ace_perm
|= (ace
->a_perm
& SMB_ACL_WRITE
) ?
566 g_ace
->ace_perm
|= (ace
->a_perm
& SMB_ACL_EXECUTE
) ?
567 ACL_PERM_EXECUTE
: 0;
569 DEBUGADD(10, ("Converted to %d id %d perm %x\n",
570 g_ace
->ace_type
, g_ace
->ace_who
, g_ace
->ace_perm
));
576 int gpfsacl_sys_acl_set_file(vfs_handle_struct
*handle
,
582 struct gpfs_acl
*gpfs_acl
;
585 gpfs_acl
= smb2gpfs_acl(theacl
, type
);
586 if (gpfs_acl
== NULL
) {
590 result
= smbd_gpfs_putacl((char *)name
, GPFS_PUTACL_STRUCT
| GPFS_ACL_SAMBA
, gpfs_acl
);
596 int gpfsacl_sys_acl_set_fd(vfs_handle_struct
*handle
,
598 int fd
, SMB_ACL_T theacl
)
600 return gpfsacl_sys_acl_set_file(handle
, fsp
->fsp_name
, SMB_ACL_TYPE_ACCESS
, theacl
);
603 int gpfsacl_sys_acl_delete_def_file(vfs_handle_struct
*handle
,
611 /* VFS operations structure */
613 static vfs_op_tuple gpfs_op_tuples
[] = {
615 {SMB_VFS_OP(vfs_gpfs_kernel_flock
),
616 SMB_VFS_OP_KERNEL_FLOCK
,
617 SMB_VFS_LAYER_OPAQUE
},
619 {SMB_VFS_OP(vfs_gpfs_setlease
),
620 SMB_VFS_OP_LINUX_SETLEASE
,
621 SMB_VFS_LAYER_OPAQUE
},
623 {SMB_VFS_OP(gpfsacl_fget_nt_acl
),
624 SMB_VFS_OP_FGET_NT_ACL
,
625 SMB_VFS_LAYER_TRANSPARENT
},
627 {SMB_VFS_OP(gpfsacl_get_nt_acl
),
628 SMB_VFS_OP_GET_NT_ACL
,
629 SMB_VFS_LAYER_TRANSPARENT
},
631 {SMB_VFS_OP(gpfsacl_fset_nt_acl
),
632 SMB_VFS_OP_FSET_NT_ACL
,
633 SMB_VFS_LAYER_TRANSPARENT
},
635 {SMB_VFS_OP(gpfsacl_set_nt_acl
),
636 SMB_VFS_OP_SET_NT_ACL
,
637 SMB_VFS_LAYER_TRANSPARENT
},
639 {SMB_VFS_OP(gpfsacl_sys_acl_get_file
),
640 SMB_VFS_OP_SYS_ACL_GET_FILE
,
641 SMB_VFS_LAYER_TRANSPARENT
},
643 {SMB_VFS_OP(gpfsacl_sys_acl_get_fd
),
644 SMB_VFS_OP_SYS_ACL_GET_FD
,
645 SMB_VFS_LAYER_TRANSPARENT
},
647 {SMB_VFS_OP(gpfsacl_sys_acl_set_file
),
648 SMB_VFS_OP_SYS_ACL_SET_FILE
,
649 SMB_VFS_LAYER_TRANSPARENT
},
651 {SMB_VFS_OP(gpfsacl_sys_acl_set_fd
),
652 SMB_VFS_OP_SYS_ACL_SET_FD
,
653 SMB_VFS_LAYER_TRANSPARENT
},
655 {SMB_VFS_OP(gpfsacl_sys_acl_delete_def_file
),
656 SMB_VFS_OP_SYS_ACL_DELETE_DEF_FILE
,
657 SMB_VFS_LAYER_TRANSPARENT
},
666 NTSTATUS
vfs_gpfs_init(void);
667 NTSTATUS
vfs_gpfs_init(void)
671 return smb_register_vfs(SMB_VFS_INTERFACE_VERSION
, "gpfs",