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/>.
21 #include "smbd/smbd.h"
22 #include "fake_file.h"
25 struct fake_file_type {
27 enum FAKE_FILE_TYPE type;
28 void *(*init_pd)(TALLOC_CTX *mem_ctx);
31 static const struct fake_file_type fake_files[] = {
33 {FAKE_FILE_NAME_QUOTA_UNIX, FAKE_FILE_TYPE_QUOTA, init_quota_handle},
34 #endif /* WITH_QUOTAS */
35 {NULL, FAKE_FILE_TYPE_NONE, NULL}
38 /****************************************************************************
39 Create a fake file handle
40 ****************************************************************************/
42 static struct fake_file_handle *init_fake_file_handle(enum FAKE_FILE_TYPE type)
44 struct fake_file_handle *fh = NULL;
47 for (i=0; fake_files[i].name!=NULL; i++) {
48 if (fake_files[i].type==type) {
53 if (fake_files[i].name == NULL) {
57 DEBUG(5,("init_fake_file_handle: for [%s]\n",fake_files[i].name));
59 fh = talloc(NULL, struct fake_file_handle);
61 DEBUG(0,("TALLOC_ZERO() failed.\n"));
67 if (fake_files[i].init_pd) {
68 fh->private_data = fake_files[i].init_pd(fh);
73 /****************************************************************************
74 Does this name match a fake filename ?
75 ****************************************************************************/
77 enum FAKE_FILE_TYPE is_fake_file_path(const char *path)
82 return FAKE_FILE_TYPE_NONE;
85 for (i=0;fake_files[i].name!=NULL;i++) {
86 if (strncmp(path,fake_files[i].name,strlen(fake_files[i].name))==0) {
87 DEBUG(5,("is_fake_file: [%s] is a fake file\n",path));
88 return fake_files[i].type;
92 return FAKE_FILE_TYPE_NONE;
95 enum FAKE_FILE_TYPE is_fake_file(const struct smb_filename *smb_fname)
99 enum FAKE_FILE_TYPE ret;
102 return FAKE_FILE_TYPE_NONE;
105 status = get_full_smb_filename(talloc_tos(), smb_fname, &fname);
106 if (!NT_STATUS_IS_OK(status)) {
107 return FAKE_FILE_TYPE_NONE;
110 ret = is_fake_file_path(fname);
117 /****************************************************************************
118 Open a fake quota file with a share mode.
119 ****************************************************************************/
121 NTSTATUS open_fake_file(struct smb_request *req, connection_struct *conn,
122 uint16_t current_vuid,
123 enum FAKE_FILE_TYPE fake_file_type,
124 const struct smb_filename *smb_fname,
126 files_struct **result)
128 files_struct *fsp = NULL;
132 if (geteuid() != sec_initial_uid()) {
133 DEBUG(3, ("open_fake_file_shared: access_denied to "
134 "service[%s] file[%s] user[%s]\n",
135 lp_servicename(SNUM(conn)),
136 smb_fname_str_dbg(smb_fname),
137 conn->session_info->unix_name));
138 return NT_STATUS_ACCESS_DENIED;
142 status = file_new(req, conn, &fsp);
143 if(!NT_STATUS_IS_OK(status)) {
147 DEBUG(5,("open_fake_file_shared: fname = %s, FID = %d, access_mask = 0x%x\n",
148 smb_fname_str_dbg(smb_fname), fsp->fnum,
149 (unsigned int)access_mask));
153 fsp->vuid = current_vuid;
155 fsp->can_lock = False; /* Should this be true ? - No, JRA */
156 fsp->access_mask = access_mask;
157 status = fsp_set_smb_fname(fsp, smb_fname);
158 if (!NT_STATUS_IS_OK(status)) {
160 return NT_STATUS_NO_MEMORY;
163 fsp->fake_file_handle = init_fake_file_handle(fake_file_type);
165 if (fsp->fake_file_handle==NULL) {
167 return NT_STATUS_NO_MEMORY;
174 NTSTATUS close_fake_file(struct smb_request *req, files_struct *fsp)