2 Unix SMB/CIFS implementation.
3 FAKE FILE suppport, for faking up special files windows want access to
4 Copyright (C) Stefan (metze) Metzmacher 2003
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 2 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, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 extern struct current_user current_user
;
25 static FAKE_FILE fake_files
[] = {
27 {FAKE_FILE_NAME_QUOTA_UNIX
, FAKE_FILE_TYPE_QUOTA
, init_quota_handle
, destroy_quota_handle
},
28 #endif /* WITH_QUOTAS */
29 {NULL
, FAKE_FILE_TYPE_NONE
, NULL
, NULL
}
32 /****************************************************************************
33 Create a fake file handle
34 ****************************************************************************/
36 static struct _FAKE_FILE_HANDLE
*init_fake_file_handle(enum FAKE_FILE_TYPE type
)
38 TALLOC_CTX
*mem_ctx
= NULL
;
39 FAKE_FILE_HANDLE
*fh
= NULL
;
42 for (i
=0;fake_files
[i
].name
!=NULL
;i
++) {
43 if (fake_files
[i
].type
==type
) {
44 DEBUG(5,("init_fake_file_handle: for [%s]\n",fake_files
[i
].name
));
46 if ((mem_ctx
=talloc_init("fake_file_handle"))==NULL
) {
47 DEBUG(0,("talloc_init(fake_file_handle) failed.\n"));
51 if ((fh
=TALLOC_ZERO_P(mem_ctx
, FAKE_FILE_HANDLE
))==NULL
) {
52 DEBUG(0,("TALLOC_ZERO() failed.\n"));
53 talloc_destroy(mem_ctx
);
58 fh
->mem_ctx
= mem_ctx
;
60 if (fake_files
[i
].init_pd
) {
61 fh
->pd
= fake_files
[i
].init_pd(fh
->mem_ctx
);
64 fh
->free_pd
= fake_files
[i
].free_pd
;
73 /****************************************************************************
74 Does this name match a fake filename ?
75 ****************************************************************************/
77 enum FAKE_FILE_TYPE
is_fake_file(const char *fname
)
79 #ifdef HAVE_SYS_QUOTAS
84 return FAKE_FILE_TYPE_NONE
;
87 #ifdef HAVE_SYS_QUOTAS
88 for (i
=0;fake_files
[i
].name
!=NULL
;i
++) {
89 if (strncmp(fname
,fake_files
[i
].name
,strlen(fake_files
[i
].name
))==0) {
90 DEBUG(5,("is_fake_file: [%s] is a fake file\n",fname
));
91 return fake_files
[i
].type
;
96 return FAKE_FILE_TYPE_NONE
;
100 /****************************************************************************
101 Open a fake quota file with a share mode.
102 ****************************************************************************/
104 NTSTATUS
open_fake_file(connection_struct
*conn
,
105 enum FAKE_FILE_TYPE fake_file_type
,
108 files_struct
**result
)
110 files_struct
*fsp
= NULL
;
114 if (current_user
.ut
.uid
!= 0) {
115 DEBUG(1,("open_fake_file_shared: access_denied to service[%s] file[%s] user[%s]\n",
116 lp_servicename(SNUM(conn
)),fname
,conn
->user
));
117 return NT_STATUS_ACCESS_DENIED
;
121 status
= file_new(conn
, &fsp
);
122 if(!NT_STATUS_IS_OK(status
)) {
126 DEBUG(5,("open_fake_file_shared: fname = %s, FID = %d, access_mask = 0x%x\n",
127 fname
, fsp
->fnum
, (unsigned int)access_mask
));
131 fsp
->vuid
= current_user
.vuid
;
133 fsp
->can_lock
= False
; /* Should this be true ? - No, JRA */
134 fsp
->access_mask
= access_mask
;
135 string_set(&fsp
->fsp_name
,fname
);
137 fsp
->fake_file_handle
= init_fake_file_handle(fake_file_type
);
139 if (fsp
->fake_file_handle
==NULL
) {
141 return NT_STATUS_NO_MEMORY
;
144 conn
->num_files_open
++;
149 void destroy_fake_file_handle(FAKE_FILE_HANDLE
**fh
)
155 if ((*fh
)->free_pd
) {
156 (*fh
)->free_pd(&(*fh
)->pd
);
159 talloc_destroy((*fh
)->mem_ctx
);
163 NTSTATUS
close_fake_file(files_struct
*fsp
)