s3:lib/events: make use of tevent_common_loop_timer_delay()
[Samba/gebeck_regimport.git] / libgpo / gpo_ini.c
blob494162466d05ae05f9dc57ae03fa887f6f6805bf
1 /*
2 * Unix SMB/CIFS implementation.
3 * Group Policy Support
4 * Copyright (C) Guenther Deschner 2007
5 * Copyright (C) Wilco Baan Hofman 2009
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 3 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, see <http://www.gnu.org/licenses/>.
21 #include "includes.h"
22 #include "gpo.h"
23 #include "gpo_ini.h"
24 #include "system/filesys.h"
27 static bool change_section(const char *section, void *ctx_ptr)
29 struct gp_inifile_context *ctx = (struct gp_inifile_context *) ctx_ptr;
31 if (ctx->current_section) {
32 talloc_free(ctx->current_section);
34 ctx->current_section = talloc_strdup(ctx, section);
35 return true;
38 /****************************************************************
39 ****************************************************************/
41 static bool store_keyval_pair(const char *key, const char *value, void *ctx_ptr)
43 struct gp_inifile_context *ctx = (struct gp_inifile_context *) ctx_ptr;
44 ctx->data = talloc_realloc(ctx, ctx->data, struct keyval_pair *, ctx->keyval_count+1);
45 ctx->data[ctx->keyval_count] = talloc_zero(ctx, struct keyval_pair);
46 ctx->data[ctx->keyval_count]->key = talloc_asprintf(ctx, "%s:%s", ctx->current_section, key);
47 ctx->data[ctx->keyval_count]->val = talloc_strdup(ctx, value);
48 ctx->keyval_count++;
49 return true;
52 /****************************************************************
53 ****************************************************************/
55 static NTSTATUS convert_file_from_ucs2(TALLOC_CTX *mem_ctx,
56 const char *filename_in,
57 char **filename_out)
59 int tmp_fd = -1;
60 uint8_t *data_in = NULL;
61 uint8_t *data_out = NULL;
62 char *tmp_name = NULL;
63 NTSTATUS status;
64 size_t n = 0;
65 size_t converted_size;
67 if (!filename_out) {
68 return NT_STATUS_INVALID_PARAMETER;
71 data_in = (uint8_t *)file_load(filename_in, &n, 0, NULL);
72 if (!data_in) {
73 status = NT_STATUS_NO_SUCH_FILE;
74 goto out;
77 tmp_name = talloc_asprintf(mem_ctx, "%s/convert_file_from_ucs2.XXXXXX",
78 tmpdir());
79 if (!tmp_name) {
80 status = NT_STATUS_NO_MEMORY;
81 goto out;
84 tmp_fd = mkstemp(tmp_name);
85 if (tmp_fd == -1) {
86 status = NT_STATUS_ACCESS_DENIED;
87 goto out;
90 if (!convert_string_talloc(mem_ctx, CH_UTF16LE, CH_UNIX, data_in, n,
91 (void *)&data_out, &converted_size))
93 status = NT_STATUS_INVALID_BUFFER_SIZE;
94 goto out;
97 /* skip utf8 BOM */
98 DEBUG(11,("convert_file_from_ucs2: "
99 "data_out[0]: 0x%x, data_out[1]: 0x%x, data_out[2]: 0x%x\n",
100 data_out[0], data_out[1], data_out[2]));
102 if ((data_out[0] == 0xef) && (data_out[1] == 0xbb) &&
103 (data_out[2] == 0xbf)) {
104 DEBUG(11,("convert_file_from_ucs2: "
105 "%s skipping utf8 BOM\n", tmp_name));
106 data_out += 3;
107 converted_size -= 3;
110 if (write(tmp_fd, data_out, converted_size) != converted_size) {
111 status = map_nt_error_from_unix_common(errno);
112 goto out;
115 *filename_out = tmp_name;
117 status = NT_STATUS_OK;
119 out:
120 if (tmp_fd != -1) {
121 close(tmp_fd);
124 talloc_free(data_in);
126 return status;
129 /****************************************************************
130 ****************************************************************/
132 NTSTATUS gp_inifile_getstring(struct gp_inifile_context *ctx, const char *key, char **ret)
134 int i;
136 for (i = 0; i < ctx->keyval_count; i++) {
137 if (strcmp(ctx->data[i]->key, key) == 0) {
138 *ret = ctx->data[i]->val;
139 return NT_STATUS_OK;
142 return NT_STATUS_NOT_FOUND;
145 /****************************************************************
146 ****************************************************************/
148 NTSTATUS gp_inifile_getint(struct gp_inifile_context *ctx, const char *key, int *ret)
150 char *value;
151 NTSTATUS result;
153 result = gp_inifile_getstring(ctx,key, &value);
154 if (!NT_STATUS_IS_OK(result)) {
155 return result;
158 *ret = (int)strtol(value, NULL, 10);
159 return NT_STATUS_OK;
162 /****************************************************************
163 ****************************************************************/
165 NTSTATUS gp_inifile_init_context(TALLOC_CTX *mem_ctx,
166 uint32_t flags,
167 const char *unix_path,
168 const char *suffix,
169 struct gp_inifile_context **ctx_ret)
171 struct gp_inifile_context *ctx = NULL;
172 NTSTATUS status;
173 int rv;
174 char *tmp_filename = NULL;
175 const char *ini_filename = NULL;
177 if (!unix_path || !ctx_ret) {
178 return NT_STATUS_INVALID_PARAMETER;
181 ctx = talloc_zero(mem_ctx, struct gp_inifile_context);
182 NT_STATUS_HAVE_NO_MEMORY(ctx);
184 status = gp_find_file(mem_ctx, flags, unix_path, suffix,
185 &ini_filename);
187 if (!NT_STATUS_IS_OK(status)) {
188 goto failed;
191 status = convert_file_from_ucs2(mem_ctx, ini_filename,
192 &tmp_filename);
193 if (!NT_STATUS_IS_OK(status)) {
194 goto failed;
197 rv = pm_process(tmp_filename, change_section, store_keyval_pair, ctx);
198 if (!rv) {
199 return NT_STATUS_NO_SUCH_FILE;
203 ctx->generated_filename = tmp_filename;
204 ctx->mem_ctx = mem_ctx;
206 *ctx_ret = ctx;
208 return NT_STATUS_OK;
210 failed:
212 DEBUG(1,("gp_inifile_init_context failed: %s\n",
213 nt_errstr(status)));
215 talloc_free(ctx);
217 return status;
220 /****************************************************************
221 parse the local gpt.ini file
222 ****************************************************************/
224 #define GPT_INI_SECTION_GENERAL "General"
225 #define GPT_INI_PARAMETER_VERSION "Version"
226 #define GPT_INI_PARAMETER_DISPLAYNAME "displayName"
228 NTSTATUS parse_gpt_ini(TALLOC_CTX *mem_ctx,
229 const char *filename,
230 uint32_t *version,
231 char **display_name)
233 NTSTATUS result;
234 int rv;
235 int v = 0;
236 char *name = NULL;
237 struct gp_inifile_context *ctx;
239 if (!filename) {
240 return NT_STATUS_INVALID_PARAMETER;
243 ctx = talloc_zero(mem_ctx, struct gp_inifile_context);
244 NT_STATUS_HAVE_NO_MEMORY(ctx);
246 rv = pm_process(filename, change_section, store_keyval_pair, ctx);
247 if (!rv) {
248 return NT_STATUS_NO_SUCH_FILE;
252 result = gp_inifile_getstring(ctx, GPT_INI_SECTION_GENERAL
253 ":"GPT_INI_PARAMETER_DISPLAYNAME, &name);
254 if (!NT_STATUS_IS_OK(result)) {
255 /* the default domain policy and the default domain controller
256 * policy never have a displayname in their gpt.ini file */
257 DEBUG(10,("parse_gpt_ini: no name in %s\n", filename));
260 if (name && display_name) {
261 *display_name = talloc_strdup(ctx, name);
262 if (*display_name == NULL) {
263 return NT_STATUS_NO_MEMORY;
267 result = gp_inifile_getint(ctx, GPT_INI_SECTION_GENERAL
268 ":"GPT_INI_PARAMETER_VERSION, &v);
269 if (!NT_STATUS_IS_OK(result)) {
270 DEBUG(10,("parse_gpt_ini: no version\n"));
271 return NT_STATUS_INTERNAL_DB_CORRUPTION;
274 if (version) {
275 *version = v;
278 talloc_free(ctx);
280 return NT_STATUS_OK;