2 * Convert JFS2 NFS4/AIXC acls to NT acls and vice versa.
4 * Copyright (C) Volker Lendecke, 2006
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
21 #include "system/filesys.h"
22 #include "smbd/smbd.h"
23 #include "nfs4_acls.h"
24 #include "vfs_aixacl_util.h"
27 #define DBGC_CLASS DBGC_VFS
29 #define AIXACL2_MODULE_NAME "aixacl2"
31 typedef union aixjfs2_acl_t
{
32 nfs4_acl_int_t jfs2_acl
[1];
33 aixc_acl_t aixc_acl
[1];
36 static int32_t aixacl2_getlen(AIXJFS2_ACL_T
*acl
, acl_type_t
*type
)
40 if(type
->u64
== ACL_NFS4
) {
41 len
= acl
->jfs2_acl
[0].aclLength
;
44 if(type
->u64
== ACL_AIXC
) {
45 len
= acl
->aixc_acl
[0].acl_len
;
47 DEBUG(0,("aixacl2_getlen:unknown type:%d\n",type
->u64
));
51 DEBUG(10,("aixacl2_getlen:%d\n",len
));
55 static AIXJFS2_ACL_T
*aixjfs2_getacl_alloc(const char *fname
, acl_type_t
*type
)
64 mem_ctx
= talloc_tos();
65 acl
= (AIXJFS2_ACL_T
*)TALLOC_SIZE(mem_ctx
, len
);
71 if(type
->u64
== ACL_ANY
) {
72 ctl_flag
= ctl_flag
| GET_ACLINFO_ONLY
;
75 ret
= aclx_get((char *)fname
, ctl_flag
, type
, acl
, &len
, &mode
);
76 if ((ret
!= 0) && (errno
== ENOSPC
)) {
77 len
= aixacl2_getlen(acl
, type
) + sizeof(AIXJFS2_ACL_T
);
78 DEBUG(10,("aixjfs2_getacl_alloc - acl_len:%d\n",len
));
80 acl
= (AIXJFS2_ACL_T
*)TALLOC_SIZE(mem_ctx
, len
);
86 ret
= aclx_get((char *)fname
, ctl_flag
, type
, acl
, &len
, &mode
);
89 DEBUG(8, ("aclx_get failed with %s\n", strerror(errno
)));
96 static bool aixjfs2_get_nfs4_acl(const char *name
,
97 SMB4ACL_T
**ppacl
, bool *pretryPosix
)
101 AIXJFS2_ACL_T
*pacl
= NULL
;
102 nfs4_acl_int_t
*jfs2_acl
= NULL
;
103 nfs4_ace_int_t
*jfs2_ace
= NULL
;
106 DEBUG(10,("jfs2 get_nt_acl invoked for %s\n", name
));
108 memset(&type
, 0, sizeof(acl_type_t
));
111 pacl
= aixjfs2_getacl_alloc(name
, &type
);
113 DEBUG(9, ("aixjfs2_getacl_alloc failed for %s with %s\n",
114 name
, strerror(errno
)));
120 jfs2_acl
= &pacl
->jfs2_acl
[0];
121 DEBUG(10, ("len: %d, version: %d, nace: %d, type: 0x%x\n",
122 jfs2_acl
->aclLength
, jfs2_acl
->aclVersion
, jfs2_acl
->aclEntryN
, type
.u64
));
124 *ppacl
= smb_create_smb4acl();
128 jfs2_ace
= &jfs2_acl
->aclEntry
[0];
129 for (i
=0; i
<jfs2_acl
->aclEntryN
; i
++) {
130 SMB_ACE4PROP_T aceprop
;
132 DEBUG(10, ("type: %d, iflags: %x, flags: %x, mask: %x, "
133 "who: %d, aclLen: %d\n", jfs2_ace
->aceType
, jfs2_ace
->flags
,
134 jfs2_ace
->aceFlags
, jfs2_ace
->aceMask
, jfs2_ace
->aceWho
.id
, jfs2_ace
->entryLen
));
136 aceprop
.aceType
= jfs2_ace
->aceType
;
137 aceprop
.aceFlags
= jfs2_ace
->aceFlags
;
138 aceprop
.aceMask
= jfs2_ace
->aceMask
;
139 aceprop
.flags
= (jfs2_ace
->flags
&ACE4_ID_SPECIAL
) ? SMB_ACE4_ID_SPECIAL
: 0;
141 /* don't care it's real content is only 16 or 32 bit */
142 aceprop
.who
.id
= jfs2_ace
->aceWho
.id
;
144 if (smb_add_ace4(*ppacl
, &aceprop
)==NULL
)
147 /* iterate to the next jfs2 ace */
148 jfs2_ace
= (nfs4_ace_int_t
*)(((char *)jfs2_ace
) + jfs2_ace
->entryLen
);
151 DEBUG(10,("jfs2 get_nt_acl finished successfully\n"));
156 static NTSTATUS
aixjfs2_fget_nt_acl(vfs_handle_struct
*handle
,
157 files_struct
*fsp
, uint32 security_info
,
159 struct security_descriptor
**ppdesc
)
161 SMB4ACL_T
*pacl
= NULL
;
163 bool retryPosix
= False
;
166 result
= aixjfs2_get_nfs4_acl(fsp
->fsp_name
->base_name
, &pacl
,
170 DEBUG(10, ("retrying with posix acl...\n"));
171 return posix_fget_nt_acl(fsp
, security_info
,
175 return NT_STATUS_ACCESS_DENIED
;
177 return smb_fget_nt_acl_nfs4(fsp
, security_info
, ppdesc
,
181 static NTSTATUS
aixjfs2_get_nt_acl(vfs_handle_struct
*handle
,
183 uint32 security_info
,
185 struct security_descriptor
**ppdesc
)
187 SMB4ACL_T
*pacl
= NULL
;
189 bool retryPosix
= False
;
192 result
= aixjfs2_get_nfs4_acl(name
, &pacl
, &retryPosix
);
195 DEBUG(10, ("retrying with posix acl...\n"));
196 return posix_get_nt_acl(handle
->conn
, name
, security_info
,
200 return NT_STATUS_ACCESS_DENIED
;
202 return smb_get_nt_acl_nfs4(handle
->conn
, name
, security_info
,
207 static SMB_ACL_T
aixjfs2_get_posix_acl(const char *path
, acl_type_t type
, TALLOC_CTX
*mem_ctx
)
211 SMB_ACL_T result
= NULL
;
214 acl
= aixjfs2_getacl_alloc(path
, &type
);
217 DEBUG(10, ("aixjfs2_getacl failed for %s with %s\n",
218 path
, strerror(errno
)));
225 pacl
= &acl
->aixc_acl
[0];
226 DEBUG(10, ("len: %d, mode: %d\n",
227 pacl
->acl_len
, pacl
->acl_mode
));
229 result
= aixacl_to_smbacl(pacl
, mem_ctx
);
230 if (result
== NULL
) {
241 SMB_ACL_T
aixjfs2_sys_acl_get_file(vfs_handle_struct
*handle
,
246 acl_type_t aixjfs2_type
;
249 case SMB_ACL_TYPE_ACCESS
:
250 aixjfs2_type
.u64
= ACL_AIXC
;
252 case SMB_ACL_TYPE_DEFAULT
:
253 DEBUG(0, ("Got AIX JFS2 unsupported type: %d\n", type
));
256 DEBUG(0, ("Got invalid type: %d\n", type
));
257 smb_panic("exiting");
260 return aixjfs2_get_posix_acl(path_p
, aixjfs2_type
, mem_ctx
);
263 SMB_ACL_T
aixjfs2_sys_acl_get_fd(vfs_handle_struct
*handle
,
266 acl_type_t aixjfs2_type
;
267 aixjfs2_type
.u64
= ACL_AIXC
;
269 return aixjfs2_get_posix_acl(fsp
->fsp_name
->base_name
, aixjfs2_type
);
273 * Test whether we have that aclType support on the given path
275 static int aixjfs2_query_acl_support(
278 acl_type_t
*pacl_type_info
281 acl_types_list_t acl_type_list
;
282 size_t acl_type_list_len
= sizeof(acl_types_list_t
);
285 memset(&acl_type_list
, 0, sizeof(acl_type_list
));
287 if (aclx_gettypes(filepath
, &acl_type_list
, &acl_type_list_len
)) {
288 DEBUG(2, ("aclx_gettypes failed with error %s for %s\n",
289 strerror(errno
), filepath
));
293 for(i
=0; i
<acl_type_list
.num_entries
; i
++) {
294 if (acl_type_list
.entries
[i
].u64
==aclType
) {
295 memcpy(pacl_type_info
, acl_type_list
.entries
+ i
, sizeof(acl_type_t
));
296 DEBUG(10, ("found %s ACL support for %s\n",
297 pacl_type_info
->acl_type
, filepath
));
302 return 1; /* haven't found that ACL type. */
305 static bool aixjfs2_process_smbacl(files_struct
*fsp
, SMB4ACL_T
*smbacl
)
309 nfs4_acl_int_t
*jfs2acl
;
311 uint32 aclLen
, naces
;
315 DEBUG(10, ("jfs2_process_smbacl invoked on %s\n", fsp_str_dbg(fsp
)));
317 /* no need to be freed which is alloced with mem_ctx */
318 mem_ctx
= talloc_tos();
320 entryLen
= sizeof(nfs4_ace_int_t
);
322 entryLen
= entryLen
+ 4 - (entryLen
%4);
324 naces
= smb_get_naces(smbacl
);
325 aclLen
= ACL_V4_SIZ
+ naces
* entryLen
;
326 jfs2acl
= (nfs4_acl_int_t
*)TALLOC_SIZE(mem_ctx
, aclLen
);
328 DEBUG(0, ("TALLOC_SIZE failed\n"));
333 jfs2acl
->aclLength
= ACL_V4_SIZ
;
334 jfs2acl
->aclVersion
= NFS4_ACL_INT_STRUCT_VERSION
;
335 jfs2acl
->aclEntryN
= 0;
337 for(smbace
= smb_first_ace4(smbacl
); smbace
!=NULL
; smbace
= smb_next_ace4(smbace
))
339 SMB_ACE4PROP_T
*aceprop
= smb_get_ace4(smbace
);
340 nfs4_ace_int_t
*jfs2_ace
= (nfs4_ace_int_t
*)(((char *)jfs2acl
) + jfs2acl
->aclLength
);
342 memset(jfs2_ace
, 0, entryLen
);
343 jfs2_ace
->entryLen
= entryLen
; /* won't store textual "who" */
344 jfs2_ace
->aceType
= aceprop
->aceType
; /* only ACCES|DENY supported by jfs2 */
345 jfs2_ace
->aceFlags
= aceprop
->aceFlags
;
346 jfs2_ace
->aceMask
= aceprop
->aceMask
;
347 jfs2_ace
->flags
= (aceprop
->flags
&SMB_ACE4_ID_SPECIAL
) ? ACE4_ID_SPECIAL
: 0;
349 /* don't care it's real content is only 16 or 32 bit */
350 jfs2_ace
->aceWho
.id
= aceprop
->who
.id
;
352 /* iterate to the next jfs2 ace */
353 jfs2acl
->aclLength
+= jfs2_ace
->entryLen
;
354 jfs2acl
->aclEntryN
++;
356 SMB_ASSERT(jfs2acl
->aclEntryN
==naces
);
358 /* Don't query it (again) */
359 memset(&acltype
, 0, sizeof(acl_type_t
));
360 acltype
.u64
= ACL_NFS4
;
362 /* won't set S_ISUID - the only one JFS2/NFS4 accepts */
364 fsp
->fsp_name
->base_name
,
365 SET_ACL
, /* set only the ACL, not mode bits */
366 acltype
, /* not a pointer !!! */
369 0 /* don't set here mode bits */
372 DEBUG(8, ("aclx_put failed with %s\n", strerror(errno
)));
376 DEBUG(10, ("jfs2_process_smbacl succeeded.\n"));
380 static NTSTATUS
aixjfs2_set_nt_acl_common(files_struct
*fsp
, uint32 security_info_sent
, const struct security_descriptor
*psd
)
382 acl_type_t acl_type_info
;
383 NTSTATUS result
= NT_STATUS_ACCESS_DENIED
;
386 rc
= aixjfs2_query_acl_support(
393 result
= smb_set_nt_acl_nfs4(
394 fsp
, security_info_sent
, psd
,
395 aixjfs2_process_smbacl
);
396 } else if (rc
==1) { /* assume POSIX ACL - by default... */
397 result
= set_nt_acl(fsp
, security_info_sent
, psd
);
399 result
= map_nt_error_from_unix(errno
); /* query failed */
404 NTSTATUS
aixjfs2_fset_nt_acl(vfs_handle_struct
*handle
, files_struct
*fsp
, uint32 security_info_sent
, const struct security_descriptor
*psd
)
406 return aixjfs2_set_nt_acl_common(fsp
, security_info_sent
, psd
);
409 int aixjfs2_sys_acl_set_file(vfs_handle_struct
*handle
,
414 struct acl
*acl_aixc
;
415 acl_type_t acl_type_info
;
418 DEBUG(10, ("aixjfs2_sys_acl_set_file invoked for %s", name
));
420 rc
= aixjfs2_query_acl_support((char *)name
, ACL_AIXC
, &acl_type_info
);
422 DEBUG(8, ("jfs2_set_nt_acl: AIXC support not found\n"));
426 acl_aixc
= aixacl_smb_to_aixacl(type
, theacl
);
432 SET_ACL
, /* set only the ACL, not mode bits */
439 DEBUG(2, ("aclx_put failed with %s for %s\n",
440 strerror(errno
), name
));
447 int aixjfs2_sys_acl_set_fd(vfs_handle_struct
*handle
,
451 struct acl
*acl_aixc
;
452 acl_type_t acl_type_info
;
455 DEBUG(10, ("aixjfs2_sys_acl_set_fd invoked for %s", fsp_str_dbg(fsp
)));
457 rc
= aixjfs2_query_acl_support(fsp
->fsp_name
->base_name
, ACL_AIXC
,
460 DEBUG(8, ("jfs2_set_nt_acl: AIXC support not found\n"));
464 acl_aixc
= aixacl_smb_to_aixacl(SMB_ACL_TYPE_ACCESS
, theacl
);
470 SET_ACL
, /* set only the ACL, not mode bits */
477 DEBUG(2, ("aclx_fput failed with %s for %s\n",
478 strerror(errno
), fsp_str_dbg(fsp
)));
485 int aixjfs2_sys_acl_delete_def_file(vfs_handle_struct
*handle
,
488 /* Not available under AIXC ACL */
489 /* Don't report here any error otherwise */
490 /* upper layer will break the normal execution */
494 static struct vfs_fn_pointers vfs_aixacl2_fns
= {
495 .fget_nt_acl_fn
= aixjfs2_fget_nt_acl
,
496 .get_nt_acl_fn
= aixjfs2_get_nt_acl
,
497 .fset_nt_acl_fn
= aixjfs2_fset_nt_acl
,
498 .sys_acl_get_file_fn
= aixjfs2_sys_acl_get_file
,
499 .sys_acl_get_fd_fn
= aixjfs2_sys_acl_get_fd
,
500 .sys_acl_set_file_fn
= aixjfs2_sys_acl_set_file
,
501 .sys_acl_set_fd_fn
= aixjfs2_sys_acl_set_fd
,
502 .sys_acl_delete_def_file_fn
= aixjfs2_sys_acl_delete_def_file
505 NTSTATUS
vfs_aixacl2_init(void);
506 NTSTATUS
vfs_aixacl2_init(void)
508 return smb_register_vfs(SMB_VFS_INTERFACE_VERSION
, AIXACL2_MODULE_NAME
,