2 Unix SMB/CIFS implementation.
3 Transparent registry backend handling
4 Copyright (C) Jelmer Vernooij 2003-2007.
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 "lib/registry/registry.h"
22 #include "librpc/gen_ndr/winreg.h"
26 * @brief Registry utility functions
32 } reg_value_types
[] = {
34 { REG_DWORD
, "REG_DWORD" },
35 { REG_BINARY
, "REG_BINARY" },
36 { REG_EXPAND_SZ
, "REG_EXPAND_SZ" },
37 { REG_NONE
, "REG_NONE" },
41 /** Return string description of registry value type */
42 _PUBLIC_
const char *str_regtype(int type
)
45 for (i
= 0; reg_value_types
[i
].name
; i
++) {
46 if (reg_value_types
[i
].id
== type
)
47 return reg_value_types
[i
].name
;
53 _PUBLIC_
char *reg_val_data_string(TALLOC_CTX
*mem_ctx
,
54 struct smb_iconv_convenience
*iconv_convenience
,
61 return talloc_strdup(mem_ctx
, "");
66 convert_string_talloc_convenience(mem_ctx
,
75 ret
= data_blob_hex_string_upper(mem_ctx
, &data
);
78 if (IVAL(data
.data
, 0) == 0) {
79 ret
= talloc_strdup(mem_ctx
, "0");
81 ret
= talloc_asprintf(mem_ctx
, "0x%x",
86 /* "NULL" is the right return value */
89 /* FIXME: We don't support this yet */
93 /* Other datatypes aren't supported -> return "NULL" */
100 /** Generate a string that describes a registry value */
101 _PUBLIC_
char *reg_val_description(TALLOC_CTX
*mem_ctx
,
102 struct smb_iconv_convenience
*iconv_convenience
,
105 const DATA_BLOB data
)
107 return talloc_asprintf(mem_ctx
, "%s = %s : %s", name
?name
:"<No Name>",
108 str_regtype(data_type
),
109 reg_val_data_string(mem_ctx
, iconv_convenience
, data_type
, data
));
112 _PUBLIC_
bool reg_string_to_val(TALLOC_CTX
*mem_ctx
,
113 struct smb_iconv_convenience
*iconv_convenience
,
114 const char *type_str
,
115 const char *data_str
, uint32_t *type
,
121 /* Find the correct type */
122 for (i
= 0; reg_value_types
[i
].name
; i
++) {
123 if (!strcmp(reg_value_types
[i
].name
, type_str
)) {
124 *type
= reg_value_types
[i
].id
;
132 /* Convert data appropriately */
137 convert_string_talloc_convenience(mem_ctx
,
142 (void **)&data
->data
,
143 &data
->length
, false);
146 *data
= strhex_to_data_blob(mem_ctx
, data_str
);
149 uint32_t tmp
= strtol(data_str
, NULL
, 0);
150 *data
= data_blob_talloc(mem_ctx
, NULL
, 4);
151 SIVAL(data
->data
, 0, tmp
);
158 /* FIXME: We don't support this yet */
162 /* Other datatypes aren't supported -> return no success */
168 /** Open a key by name (including the predefined key name!) */
169 WERROR
reg_open_key_abs(TALLOC_CTX
*mem_ctx
, struct registry_context
*handle
,
170 const char *name
, struct registry_key
**result
)
172 struct registry_key
*predef
;
177 if (strchr(name
, '\\') != NULL
)
178 predeflength
= strchr(name
, '\\')-name
;
180 predeflength
= strlen(name
);
182 predefname
= talloc_strndup(mem_ctx
, name
, predeflength
);
183 error
= reg_get_predefined_key_by_name(handle
, predefname
, &predef
);
184 talloc_free(predefname
);
186 if (!W_ERROR_IS_OK(error
)) {
190 if (strchr(name
, '\\')) {
191 return reg_open_key(mem_ctx
, predef
, strchr(name
, '\\')+1,
199 static WERROR
get_abs_parent(TALLOC_CTX
*mem_ctx
, struct registry_context
*ctx
,
200 const char *path
, struct registry_key
**parent
,
206 if (strchr(path
, '\\') == NULL
) {
210 parent_name
= talloc_strndup(mem_ctx
, path
, strrchr(path
, '\\')-path
);
212 error
= reg_open_key_abs(mem_ctx
, ctx
, parent_name
, parent
);
213 if (!W_ERROR_IS_OK(error
)) {
217 *name
= talloc_strdup(mem_ctx
, strrchr(path
, '\\')+1);
222 WERROR
reg_key_del_abs(struct registry_context
*ctx
, const char *path
)
224 struct registry_key
*parent
;
226 TALLOC_CTX
*mem_ctx
= talloc_init("reg_key_del_abs");
229 if (!strchr(path
, '\\')) {
233 error
= get_abs_parent(mem_ctx
, ctx
, path
, &parent
, &n
);
234 if (W_ERROR_IS_OK(error
)) {
235 error
= reg_key_del(parent
, n
);
238 talloc_free(mem_ctx
);
243 WERROR
reg_key_add_abs(TALLOC_CTX
*mem_ctx
, struct registry_context
*ctx
,
244 const char *path
, uint32_t access_mask
,
245 struct security_descriptor
*sec_desc
,
246 struct registry_key
**result
)
248 struct registry_key
*parent
;
252 if (!strchr(path
, '\\')) {
253 return WERR_ALREADY_EXISTS
;
256 error
= get_abs_parent(mem_ctx
, ctx
, path
, &parent
, &n
);
257 if (!W_ERROR_IS_OK(error
)) {
258 DEBUG(2, ("Opening parent of %s failed with %s\n", path
,
263 error
= reg_key_add_name(mem_ctx
, parent
, n
, NULL
, sec_desc
, result
);