s3:smbd: s/struct timed_event/struct tevent_timer
[Samba/gebeck_regimport.git] / source3 / smbd / fake_file.c
blob3f9e2aec059cbc1fdfdf950886ab8ee5cd2c702e
1 /*
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 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/>.
20 #include "includes.h"
21 #include "smbd/smbd.h"
22 #include "smbd/globals.h"
23 #include "fake_file.h"
24 #include "auth.h"
26 struct fake_file_type {
27 const char *name;
28 enum FAKE_FILE_TYPE type;
29 void *(*init_pd)(TALLOC_CTX *mem_ctx);
32 static const struct fake_file_type fake_files[] = {
33 #ifdef WITH_QUOTAS
34 {FAKE_FILE_NAME_QUOTA_UNIX, FAKE_FILE_TYPE_QUOTA, init_quota_handle},
35 #endif /* WITH_QUOTAS */
36 {NULL, FAKE_FILE_TYPE_NONE, NULL}
39 /****************************************************************************
40 Create a fake file handle
41 ****************************************************************************/
43 static struct fake_file_handle *init_fake_file_handle(enum FAKE_FILE_TYPE type)
45 struct fake_file_handle *fh = NULL;
46 int i;
48 for (i=0; fake_files[i].name!=NULL; i++) {
49 if (fake_files[i].type==type) {
50 break;
54 if (fake_files[i].name == NULL) {
55 return NULL;
58 DEBUG(5,("init_fake_file_handle: for [%s]\n",fake_files[i].name));
60 fh = talloc(NULL, struct fake_file_handle);
61 if (fh == NULL) {
62 DEBUG(0,("TALLOC_ZERO() failed.\n"));
63 return NULL;
66 fh->type = type;
68 if (fake_files[i].init_pd) {
69 fh->private_data = fake_files[i].init_pd(fh);
71 return fh;
74 /****************************************************************************
75 Does this name match a fake filename ?
76 ****************************************************************************/
78 enum FAKE_FILE_TYPE is_fake_file_path(const char *path)
80 int i;
82 if (!path) {
83 return FAKE_FILE_TYPE_NONE;
86 for (i=0;fake_files[i].name!=NULL;i++) {
87 if (strncmp(path,fake_files[i].name,strlen(fake_files[i].name))==0) {
88 DEBUG(5,("is_fake_file: [%s] is a fake file\n",path));
89 return fake_files[i].type;
93 return FAKE_FILE_TYPE_NONE;
96 enum FAKE_FILE_TYPE is_fake_file(const struct smb_filename *smb_fname)
98 char *fname = NULL;
99 NTSTATUS status;
100 enum FAKE_FILE_TYPE ret;
102 if (!smb_fname) {
103 return FAKE_FILE_TYPE_NONE;
106 status = get_full_smb_filename(talloc_tos(), smb_fname, &fname);
107 if (!NT_STATUS_IS_OK(status)) {
108 return FAKE_FILE_TYPE_NONE;
111 ret = is_fake_file_path(fname);
113 TALLOC_FREE(fname);
115 return ret;
118 /****************************************************************************
119 Open a fake quota file with a share mode.
120 ****************************************************************************/
122 NTSTATUS open_fake_file(struct smb_request *req, connection_struct *conn,
123 uint64_t current_vuid,
124 enum FAKE_FILE_TYPE fake_file_type,
125 const struct smb_filename *smb_fname,
126 uint32 access_mask,
127 files_struct **result)
129 files_struct *fsp = NULL;
130 NTSTATUS status;
132 status = smbd_calculate_access_mask(conn, smb_fname, false,
133 access_mask, &access_mask);
134 if (!NT_STATUS_IS_OK(status)) {
135 DEBUG(10, ("open_fake_file: smbd_calculate_access_mask "
136 "on service[%s] file[%s] returned %s\n",
137 lp_servicename(talloc_tos(), SNUM(conn)),
138 smb_fname_str_dbg(smb_fname),
139 nt_errstr(status)));
140 return status;
143 /* access check */
144 if (geteuid() != sec_initial_uid()) {
145 DEBUG(3, ("open_fake_file_shared: access_denied to "
146 "service[%s] file[%s] user[%s]\n",
147 lp_servicename(talloc_tos(), SNUM(conn)),
148 smb_fname_str_dbg(smb_fname),
149 conn->session_info->unix_info->unix_name));
150 return NT_STATUS_ACCESS_DENIED;
154 status = file_new(req, conn, &fsp);
155 if(!NT_STATUS_IS_OK(status)) {
156 return status;
159 DEBUG(5,("open_fake_file_shared: fname = %s, %s, access_mask = 0x%x\n",
160 smb_fname_str_dbg(smb_fname), fsp_fnum_dbg(fsp),
161 (unsigned int)access_mask));
163 fsp->conn = conn;
164 fsp->fh->fd = -1;
165 fsp->vuid = current_vuid;
166 fsp->fh->pos = -1;
167 fsp->can_lock = False; /* Should this be true ? - No, JRA */
168 fsp->access_mask = access_mask;
169 status = fsp_set_smb_fname(fsp, smb_fname);
170 if (!NT_STATUS_IS_OK(status)) {
171 file_free(req, fsp);
172 return NT_STATUS_NO_MEMORY;
175 fsp->fake_file_handle = init_fake_file_handle(fake_file_type);
177 if (fsp->fake_file_handle==NULL) {
178 file_free(req, fsp);
179 return NT_STATUS_NO_MEMORY;
182 *result = fsp;
183 return NT_STATUS_OK;
186 NTSTATUS close_fake_file(struct smb_request *req, files_struct *fsp)
188 file_free(req, fsp);
189 return NT_STATUS_OK;