2 Unix SMB/CIFS implementation.
3 Reading Registry.pol PReg registry files
5 Copyright (C) Wilco Baan Hofman 2006
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 #include "lib/registry/registry.h"
24 #include "system/filesys.h"
31 static WERROR preg_read_utf16(int fd, char *c)
35 if (read(fd, &v, 2) < 2) {
36 return WERR_GENERAL_FAILURE;
42 /* FIXME These functions need to be implemented */
43 static WERROR reg_preg_diff_add_key(void *_data, const char *key_name)
45 struct preg_data *data = (struct preg_data *)_data;
49 static WERROR reg_preg_diff_del_key(void *_data, const char *key_name)
51 struct preg_data *data = (struct preg_data *)_data;
55 static WERROR reg_preg_diff_set_value(void *_data, const char *key_name, const char *value_name, uint32_t value_type, DATA_BLOB value_data)
57 struct preg_data *data = (struct preg_data *)_data;
61 static WERROR reg_preg_diff_del_value(void *_data, const char *key_name, const char *value_name)
63 struct preg_data *data = (struct preg_data *)_data;
67 static WERROR reg_preg_diff_del_all_values(void *_data, const char *key_name)
69 struct preg_data *data = (struct preg_data *)_data;
73 static WERROR reg_preg_diff_done(void *_data)
75 struct preg_data *data = (struct preg_data *)_data;
85 _PUBLIC_ WERROR reg_preg_diff_save(TALLOC_CTX *ctx, const char *filename, struct reg_diff_callbacks **callbacks, void **callback_data)
87 struct preg_data *data;
94 data = talloc_zero(ctx, struct preg_data);
95 *callback_data = data;
98 data->fd = open(filename, O_CREAT, 0755);
100 DEBUG(0, ("Unable to open %s\n", filename));
104 data->fd = STDOUT_FILENO;
106 snprintf(preg_header.hdr, 4, "PReg");
107 SIVAL(&preg_header, 4, 1);
108 write(data->fd, (uint8_t *)&preg_header,8);
110 *callbacks = talloc(ctx, struct reg_diff_callbacks);
112 (*callbacks)->add_key = reg_preg_diff_add_key;
113 (*callbacks)->del_key = reg_preg_diff_del_key;
114 (*callbacks)->set_value = reg_preg_diff_set_value;
115 (*callbacks)->del_value = reg_preg_diff_del_value;
116 (*callbacks)->del_all_values = reg_preg_diff_del_all_values;
117 (*callbacks)->done = reg_preg_diff_done;
124 _PUBLIC_ WERROR reg_preg_diff_load(int fd, const struct reg_diff_callbacks *callbacks, void *callback_data)
132 TALLOC_CTX *mem_ctx = talloc_init("reg_preg_diff_load");
135 /* Read first 8 bytes (the header) */
136 if (read(fd, &preg_header, 8) != 8) {
137 DEBUG(0, ("Could not read PReg file: %s\n",
140 return WERR_GENERAL_FAILURE;
142 if (strncmp(preg_header.hdr, "PReg", 4) != 0) {
143 DEBUG(0, ("This file is not a valid preg registry file\n"));
145 return WERR_GENERAL_FAILURE;
147 if (preg_header.version > 1) {
148 DEBUG(0, ("Warning: file format version is higher than expected.\n"));
151 /* Read the entries */
153 char *key, *value_name;
154 uint32_t value_type, length;
157 if (!W_ERROR_IS_OK(preg_read_utf16(fd, buf_ptr))) {
160 if (*buf_ptr != '[') {
161 DEBUG(0, ("Error in PReg file.\n"));
163 return WERR_GENERAL_FAILURE;
168 while (W_ERROR_IS_OK(preg_read_utf16(fd, buf_ptr)) && *buf_ptr != ';' && buf_ptr-buf < sizeof(buf)) {
171 key = talloc_asprintf(mem_ctx, "\\%s", buf);
175 while (W_ERROR_IS_OK(preg_read_utf16(fd, buf_ptr)) && *buf_ptr != ';' && buf_ptr-buf < sizeof(buf)) {
178 value_name = talloc_strdup(mem_ctx, buf);
181 if (read(fd, &value_type, 4) < 4) {
182 DEBUG(0, ("Error while reading PReg\n"));
184 return WERR_GENERAL_FAILURE;
186 /* Read past delimiter */
188 if (!(W_ERROR_IS_OK(preg_read_utf16(fd, buf_ptr)) && *buf_ptr == ';') && buf_ptr-buf < sizeof(buf)) {
189 DEBUG(0, ("Error in PReg file.\n"));
191 return WERR_GENERAL_FAILURE;
193 /* Get data length */
194 if (read(fd, &length, 4) < 4) {
195 DEBUG(0, ("Error while reading PReg\n"));
197 return WERR_GENERAL_FAILURE;
199 /* Read past delimiter */
201 if (!(W_ERROR_IS_OK(preg_read_utf16(fd, buf_ptr)) && *buf_ptr == ';') && buf_ptr-buf < sizeof(buf)) {
202 DEBUG(0, ("Error in PReg file.\n"));
204 return WERR_GENERAL_FAILURE;
208 if (length < sizeof(buf) && read(fd, buf_ptr, length) != length) {
209 DEBUG(0, ("Error while reading PReg\n"));
211 return WERR_GENERAL_FAILURE;
213 data.length = length;
214 data.data = talloc_memdup(mem_ctx, buf, length);
216 /* Check if delimiter is in place (whine if it isn't) */
218 if (!(W_ERROR_IS_OK(preg_read_utf16(fd, buf_ptr)) && *buf_ptr == ']') && buf_ptr-buf < sizeof(buf)) {
219 DEBUG(0, ("Warning: Missing ']' in PReg file, expected ']', got '%c' 0x%x.\n",*buf_ptr, *buf_ptr));
222 if (strcasecmp(value_name, "**DelVals") == 0) {
223 callbacks->del_all_values(callback_data, key);
224 } else if (strncasecmp(value_name, "**Del.",6) == 0) {
225 char *p = value_name+6;
227 callbacks->del_value(callback_data, key, p);
228 } else if (strcasecmp(value_name, "**DeleteValues") == 0) {
231 p = (char *) data.data;
233 while ((q = strchr_m(p, ';'))) {
237 callbacks->del_value(callback_data, key, p);
241 callbacks->del_value(callback_data, key, p);
242 } else if (strcasecmp(value_name, "**DeleteKeys") == 0) {
243 char *p, *q, *full_key;
245 p = (char *) data.data;
247 while ((q = strchr_m(p, ';'))) {
251 full_key = talloc_asprintf(mem_ctx, "%s\\%s", key, p);
252 callbacks->del_key(callback_data, full_key);
253 talloc_free(full_key);
257 full_key = talloc_asprintf(mem_ctx, "%s\\%s", key, p);
258 callbacks->del_key(callback_data, full_key);
259 talloc_free(full_key);
261 callbacks->add_key(callback_data, key);
262 callbacks->set_value(callback_data, key, value_name, value_type, data);
265 talloc_free(value_name);
266 talloc_free(data.data);