source: branches/samba-3.5.x/source3/registry/reg_eventlog.c

Last change on this file was 414, checked in by Herwig Bauernfeind, 15 years ago

Samba 3.5.0: Initial import
File size: 10.2 KB
Line 
1
2/*
3 * Unix SMB/CIFS implementation.
4 * Virtual Windows Registry Layer
5 * Copyright (C) Marcin Krzysztof Porwit 2005,
6 * Copyright (C) Brian Moran 2005.
7 * Copyright (C) Gerald (Jerry) Carter 2005.
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 3 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, see <http://www.gnu.org/licenses/>.
21 */
22
23#include "includes.h"
24
25#undef DBGC_CLASS
26#define DBGC_CLASS DBGC_REGISTRY
27
28/**********************************************************************
29 for an eventlog, add in the default values
30*********************************************************************/
31
32bool eventlog_init_keys(void)
33{
34 /* Find all of the eventlogs, add keys for each of them */
35 const char **elogs = lp_eventlog_list();
36 char *evtlogpath = NULL;
37 char *evtfilepath = NULL;
38 struct regsubkey_ctr *subkeys;
39 struct regval_ctr *values;
40 uint32 uiMaxSize;
41 uint32 uiRetention;
42 uint32 uiCategoryCount;
43 DATA_BLOB data;
44 TALLOC_CTX *ctx = talloc_tos();
45 WERROR werr;
46
47 while (elogs && *elogs) {
48 werr = regsubkey_ctr_init(ctx, &subkeys);
49 if (!W_ERROR_IS_OK(werr)) {
50 DEBUG( 0, ( "talloc() failure!\n" ) );
51 return False;
52 }
53 regdb_fetch_keys(KEY_EVENTLOG, subkeys);
54 regsubkey_ctr_addkey( subkeys, *elogs );
55 if ( !regdb_store_keys( KEY_EVENTLOG, subkeys ) ) {
56 TALLOC_FREE(subkeys);
57 return False;
58 }
59 TALLOC_FREE(subkeys);
60
61 /* add in the key of form KEY_EVENTLOG/Application */
62 DEBUG( 5,
63 ( "Adding key of [%s] to path of [%s]\n", *elogs,
64 KEY_EVENTLOG ) );
65
66 evtlogpath = talloc_asprintf(ctx, "%s\\%s",
67 KEY_EVENTLOG, *elogs);
68 if (!evtlogpath) {
69 return false;
70 }
71 /* add in the key of form KEY_EVENTLOG/Application/Application */
72 DEBUG( 5,
73 ( "Adding key of [%s] to path of [%s]\n", *elogs,
74 evtlogpath ) );
75 werr = regsubkey_ctr_init(ctx, &subkeys);
76 if (!W_ERROR_IS_OK(werr)) {
77 DEBUG( 0, ( "talloc() failure!\n" ) );
78 return False;
79 }
80 regdb_fetch_keys( evtlogpath, subkeys );
81 regsubkey_ctr_addkey( subkeys, *elogs );
82
83 if ( !regdb_store_keys( evtlogpath, subkeys ) ) {
84 TALLOC_FREE(subkeys);
85 return False;
86 }
87 TALLOC_FREE( subkeys );
88
89 /* now add the values to the KEY_EVENTLOG/Application form key */
90 if (!(values = TALLOC_ZERO_P(ctx, struct regval_ctr))) {
91 DEBUG( 0, ( "talloc() failure!\n" ) );
92 return False;
93 }
94 DEBUG( 5,
95 ( "Storing values to eventlog path of [%s]\n",
96 evtlogpath ) );
97 regdb_fetch_values( evtlogpath, values );
98
99
100 if (!regval_ctr_key_exists(values, "MaxSize")) {
101
102 /* assume we have none, add them all */
103
104 /* hard code some initial values */
105
106 /* uiDisplayNameId = 0x00000100; */
107 uiMaxSize = 0x00080000;
108 uiRetention = 0x93A80;
109
110 regval_ctr_addvalue(values, "MaxSize", REG_DWORD,
111 (char *)&uiMaxSize,
112 sizeof(uint32));
113
114 regval_ctr_addvalue(values, "Retention", REG_DWORD,
115 (char *)&uiRetention,
116 sizeof(uint32));
117
118 regval_ctr_addvalue_sz(values, "PrimaryModule", *elogs);
119 push_reg_sz(talloc_tos(), &data, *elogs);
120
121 regval_ctr_addvalue(values, "Sources", REG_MULTI_SZ,
122 (char *)data.data,
123 data.length);
124
125 evtfilepath = talloc_asprintf(ctx,
126 "%%SystemRoot%%\\system32\\config\\%s.tdb",
127 *elogs);
128 if (!evtfilepath) {
129 TALLOC_FREE(values);
130 }
131 push_reg_sz(talloc_tos(), &data, evtfilepath);
132 regval_ctr_addvalue(values, "File", REG_EXPAND_SZ, (char *)data.data,
133 data.length);
134 regdb_store_values(evtlogpath, values);
135
136 }
137
138 TALLOC_FREE(values);
139
140 /* now do the values under KEY_EVENTLOG/Application/Application */
141 TALLOC_FREE(evtlogpath);
142 evtlogpath = talloc_asprintf(ctx, "%s\\%s\\%s",
143 KEY_EVENTLOG, *elogs, *elogs);
144 if (!evtlogpath) {
145 return false;
146 }
147 if (!(values = TALLOC_ZERO_P(ctx, struct regval_ctr))) {
148 DEBUG( 0, ( "talloc() failure!\n" ) );
149 return False;
150 }
151 DEBUG( 5,
152 ( "Storing values to eventlog path of [%s]\n",
153 evtlogpath));
154 regdb_fetch_values(evtlogpath, values);
155 if (!regval_ctr_key_exists( values, "CategoryCount")) {
156
157 /* hard code some initial values */
158
159 uiCategoryCount = 0x00000007;
160 regval_ctr_addvalue( values, "CategoryCount",
161 REG_DWORD,
162 ( char * ) &uiCategoryCount,
163 sizeof( uint32 ) );
164 push_reg_sz(talloc_tos(), &data,
165 "%SystemRoot%\\system32\\eventlog.dll");
166
167 regval_ctr_addvalue( values, "CategoryMessageFile",
168 REG_EXPAND_SZ,
169 ( char * ) data.data,
170 data.length);
171 regdb_store_values( evtlogpath, values );
172 }
173 TALLOC_FREE(values);
174 elogs++;
175 }
176
177 return true;
178}
179
180/*********************************************************************
181 for an eventlog, add in a source name. If the eventlog doesn't
182 exist (not in the list) do nothing. If a source for the log
183 already exists, change the information (remove, replace)
184*********************************************************************/
185
186bool eventlog_add_source( const char *eventlog, const char *sourcename,
187 const char *messagefile )
188{
189 /* Find all of the eventlogs, add keys for each of them */
190 /* need to add to the value KEY_EVENTLOG/<eventlog>/Sources string (Creating if necessary)
191 need to add KEY of source to KEY_EVENTLOG/<eventlog>/<source> */
192
193 const char **elogs = lp_eventlog_list( );
194 const char **wrklist, **wp;
195 char *evtlogpath = NULL;
196 struct regsubkey_ctr *subkeys;
197 struct regval_ctr *values;
198 struct regval_blob *rval;
199 int ii = 0;
200 bool already_in;
201 int i;
202 int numsources = 0;
203 TALLOC_CTX *ctx = talloc_tos();
204 WERROR werr;
205 DATA_BLOB blob;
206
207 if (!elogs) {
208 return False;
209 }
210
211 for ( i = 0; elogs[i]; i++ ) {
212 if ( strequal( elogs[i], eventlog ) )
213 break;
214 }
215
216 if ( !elogs[i] ) {
217 DEBUG( 0,
218 ( "Eventlog [%s] not found in list of valid event logs\n",
219 eventlog ) );
220 return false; /* invalid named passed in */
221 }
222
223 /* have to assume that the evenlog key itself exists at this point */
224 /* add in a key of [sourcename] under the eventlog key */
225
226 /* todo add to Sources */
227
228 if (!( values = TALLOC_ZERO_P(ctx, struct regval_ctr))) {
229 DEBUG( 0, ( "talloc() failure!\n" ));
230 return false;
231 }
232
233 evtlogpath = talloc_asprintf(ctx, "%s\\%s", KEY_EVENTLOG, eventlog);
234 if (!evtlogpath) {
235 TALLOC_FREE(values);
236 return false;
237 }
238
239 regdb_fetch_values( evtlogpath, values );
240
241
242 if ( !( rval = regval_ctr_getvalue( values, "Sources" ) ) ) {
243 DEBUG( 0, ( "No Sources value for [%s]!\n", eventlog ) );
244 return False;
245 }
246 /* perhaps this adding a new string to a multi_sz should be a fn? */
247 /* check to see if it's there already */
248
249 if ( rval->type != REG_MULTI_SZ ) {
250 DEBUG( 0,
251 ( "Wrong type for Sources, should be REG_MULTI_SZ\n" ) );
252 return False;
253 }
254 /* convert to a 'regulah' chars to do some comparisons */
255
256 already_in = False;
257 wrklist = NULL;
258 dump_data( 1, rval->data_p, rval->size );
259
260 blob = data_blob_const(rval->data_p, rval->size);
261 if (!pull_reg_multi_sz(talloc_tos(), &blob, &wrklist)) {
262 return false;
263 }
264
265 for (ii=0; wrklist[ii]; ii++) {
266 numsources++;
267 }
268
269 if (numsources > 0) {
270 /* see if it's in there already */
271 wp = wrklist;
272
273 while (wp && *wp ) {
274 if ( strequal( *wp, sourcename ) ) {
275 DEBUG( 5,
276 ( "Source name [%s] already in list for [%s] \n",
277 sourcename, eventlog ) );
278 already_in = True;
279 break;
280 }
281 wp++;
282 }
283 } else {
284 DEBUG( 3,
285 ( "Nothing in the sources list, this might be a problem\n" ) );
286 }
287
288 wp = wrklist;
289
290 if ( !already_in ) {
291 /* make a new list with an additional entry; copy values, add another */
292 wp = TALLOC_ARRAY(ctx, const char *, numsources + 2 );
293
294 if ( !wp ) {
295 DEBUG( 0, ( "talloc() failed \n" ) );
296 return False;
297 }
298 memcpy( wp, wrklist, sizeof( char * ) * numsources );
299 *( wp + numsources ) = ( char * ) sourcename;
300 *( wp + numsources + 1 ) = NULL;
301 if (!push_reg_multi_sz(ctx, &blob, wp)) {
302 return false;
303 }
304 dump_data( 1, blob.data, blob.length);
305 regval_ctr_addvalue( values, "Sources", REG_MULTI_SZ,
306 ( char * ) blob.data, blob.length);
307 regdb_store_values( evtlogpath, values );
308 data_blob_free(&blob);
309 } else {
310 DEBUG( 3,
311 ( "Source name [%s] found in existing list of sources\n",
312 sourcename ) );
313 }
314 TALLOC_FREE(values);
315 TALLOC_FREE(wrklist); /* */
316
317 werr = regsubkey_ctr_init(ctx, &subkeys);
318 if (!W_ERROR_IS_OK(werr)) {
319 DEBUG( 0, ( "talloc() failure!\n" ) );
320 return False;
321 }
322 TALLOC_FREE(evtlogpath);
323 evtlogpath = talloc_asprintf(ctx, "%s\\%s", KEY_EVENTLOG, eventlog );
324 if (!evtlogpath) {
325 TALLOC_FREE(subkeys);
326 return false;
327 }
328
329 regdb_fetch_keys( evtlogpath, subkeys );
330
331 if ( !regsubkey_ctr_key_exists( subkeys, sourcename ) ) {
332 DEBUG( 5,
333 ( " Source name [%s] for eventlog [%s] didn't exist, adding \n",
334 sourcename, eventlog ) );
335 regsubkey_ctr_addkey( subkeys, sourcename );
336 if ( !regdb_store_keys( evtlogpath, subkeys ) )
337 return False;
338 }
339 TALLOC_FREE(subkeys);
340
341 /* at this point KEY_EVENTLOG/<eventlog>/<sourcename> key is in there. Now need to add EventMessageFile */
342
343 /* now allocate room for the source's subkeys */
344
345 werr = regsubkey_ctr_init(ctx, &subkeys);
346 if (!W_ERROR_IS_OK(werr)) {
347 DEBUG( 0, ( "talloc() failure!\n" ) );
348 return False;
349 }
350 TALLOC_FREE(evtlogpath);
351 evtlogpath = talloc_asprintf(ctx, "%s\\%s\\%s",
352 KEY_EVENTLOG, eventlog, sourcename);
353 if (!evtlogpath) {
354 TALLOC_FREE(subkeys);
355 return false;
356 }
357
358 regdb_fetch_keys( evtlogpath, subkeys );
359
360 /* now add the values to the KEY_EVENTLOG/Application form key */
361 if ( !( values = TALLOC_ZERO_P(ctx, struct regval_ctr ) ) ) {
362 DEBUG( 0, ( "talloc() failure!\n" ) );
363 return False;
364 }
365 DEBUG( 5,
366 ( "Storing EventMessageFile [%s] to eventlog path of [%s]\n",
367 messagefile, evtlogpath ) );
368
369 regdb_fetch_values( evtlogpath, values );
370
371 regval_ctr_addvalue_sz(values, "EventMessageFile", messagefile);
372 regdb_store_values( evtlogpath, values );
373
374 TALLOC_FREE(values);
375
376 return True;
377}
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