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"
24 _PUBLIC_ char *reg_val_data_string(TALLOC_CTX *mem_ctx, uint32_t type,
30 return talloc_strdup(mem_ctx, "");
35 convert_string_talloc(mem_ctx,
36 CH_UTF16, CH_UNIX, data.data, data.length,
37 (void **)&ret, NULL, false);
40 case REG_DWORD_BIG_ENDIAN:
41 SMB_ASSERT(data.length == sizeof(uint32_t));
42 ret = talloc_asprintf(mem_ctx, "0x%8.8x",
46 SMB_ASSERT(data.length == sizeof(uint64_t));
47 ret = talloc_asprintf(mem_ctx, "0x%16.16llx",
48 (unsigned long long)BVAL(data.data, 0));
51 ret = data_blob_hex_string_upper(mem_ctx, &data);
54 /* "NULL" is the right return value */
57 /* FIXME: We don't support this yet */
61 /* Other datatypes aren't supported -> return "NULL" */
68 /** Generate a string that describes a registry value */
69 _PUBLIC_ char *reg_val_description(TALLOC_CTX *mem_ctx,
74 return talloc_asprintf(mem_ctx, "%s = %s : %s", name?name:"<No Name>",
75 str_regtype(data_type),
76 reg_val_data_string(mem_ctx, data_type, data));
79 _PUBLIC_ bool reg_string_to_val(TALLOC_CTX *mem_ctx, const char *type_str,
80 const char *data_str, uint32_t *type, DATA_BLOB *data)
82 *type = regtype_by_string(type_str);
87 /* Convert data appropriately */
92 return convert_string_talloc(mem_ctx,
93 CH_UNIX, CH_UTF16, data_str,
96 &data->length, false);
99 *data = strhex_to_data_blob(mem_ctx, data_str);
102 case REG_DWORD_BIG_ENDIAN: {
103 uint32_t tmp = strtol(data_str, NULL, 0);
104 *data = data_blob_talloc(mem_ctx, NULL, sizeof(uint32_t));
105 if (data->data == NULL) return false;
106 SIVAL(data->data, 0, tmp);
110 uint64_t tmp = strtoll(data_str, NULL, 0);
111 *data = data_blob_talloc(mem_ctx, NULL, sizeof(uint64_t));
112 if (data->data == NULL) return false;
113 SBVAL(data->data, 0, tmp);
120 /* FIXME: We don't support this yet */
124 /* Other datatypes aren't supported -> return no success */
130 /** Open a key by name (including the predefined key name!) */
131 WERROR reg_open_key_abs(TALLOC_CTX *mem_ctx, struct registry_context *handle,
132 const char *name, struct registry_key **result)
134 struct registry_key *predef;
139 if (strchr(name, '\\') != NULL)
140 predeflength = strchr(name, '\\')-name;
142 predeflength = strlen(name);
144 predefname = talloc_strndup(mem_ctx, name, predeflength);
145 W_ERROR_HAVE_NO_MEMORY(predefname);
146 error = reg_get_predefined_key_by_name(handle, predefname, &predef);
147 talloc_free(predefname);
149 if (!W_ERROR_IS_OK(error)) {
153 if (strchr(name, '\\')) {
154 return reg_open_key(mem_ctx, predef, strchr(name, '\\')+1,
162 static WERROR get_abs_parent(TALLOC_CTX *mem_ctx, struct registry_context *ctx,
163 const char *path, struct registry_key **parent,
169 if (strchr(path, '\\') == NULL) {
173 parent_name = talloc_strndup(mem_ctx, path, strrchr(path, '\\')-path);
174 W_ERROR_HAVE_NO_MEMORY(parent_name);
175 error = reg_open_key_abs(mem_ctx, ctx, parent_name, parent);
176 talloc_free(parent_name);
177 if (!W_ERROR_IS_OK(error)) {
181 *name = talloc_strdup(mem_ctx, strrchr(path, '\\')+1);
182 W_ERROR_HAVE_NO_MEMORY(*name);
187 WERROR reg_key_del_abs(struct registry_context *ctx, const char *path)
189 struct registry_key *parent;
191 TALLOC_CTX *mem_ctx = talloc_init("reg_key_del_abs");
194 if (!strchr(path, '\\')) {
198 error = get_abs_parent(mem_ctx, ctx, path, &parent, &n);
199 if (W_ERROR_IS_OK(error)) {
200 error = reg_key_del(mem_ctx, parent, n);
203 talloc_free(mem_ctx);
208 WERROR reg_key_add_abs(TALLOC_CTX *mem_ctx, struct registry_context *ctx,
209 const char *path, uint32_t access_mask,
210 struct security_descriptor *sec_desc,
211 struct registry_key **result)
213 struct registry_key *parent;
219 if (!strchr(path, '\\')) {
220 return WERR_ALREADY_EXISTS;
223 error = get_abs_parent(mem_ctx, ctx, path, &parent, &n);
224 if (!W_ERROR_IS_OK(error)) {
225 DEBUG(2, ("Opening parent of %s failed with %s\n", path,
230 error = reg_key_add_name(mem_ctx, parent, n, NULL, sec_desc, result);