summaryrefslogtreecommitdiff
path: root/source4/lib/registry/registry.h
blob: 9c0f66b6d6ea9db922fa184b91e52aad2c9cb7b7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
/*
   Unix SMB/CIFS implementation.
   Registry interface
   Copyright (C) Gerald Carter                        2002.
   Copyright (C) Jelmer Vernooij					  2003-2007.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef _REGISTRY_H /* _REGISTRY_H */
#define _REGISTRY_H

struct registry_context;
struct loadparm_context;
struct smb_iconv_convenience;

#include <talloc.h>
#include "libcli/util/werror.h"
#include "librpc/gen_ndr/security.h"
#include "libcli/util/ntstatus.h"
#include "util/time.h"
#include "util/data_blob.h"

/**
 * The hive API. This API is generally used for
 * reading a specific file that contains just one hive.
 *
 * Good examples are .DAT (NTUSER.DAT) files.
 *
 * This API does not have any notification support (that
 * should be provided by the registry implementation), nor
 * does it understand what predefined keys are.
 */

struct hive_key {
	const struct hive_operations *ops;
};

struct hive_operations {
	const char *name;

	/**
	 * Open a specific subkey
	 */
	WERROR (*enum_key) (TALLOC_CTX *mem_ctx,
			    const struct hive_key *key, uint32_t idx,
			    const char **name,
			    const char **classname,
			    NTTIME *last_mod_time);

	/**
	 * Open a subkey by name
	 */
	WERROR (*get_key_by_name) (TALLOC_CTX *mem_ctx,
				   const struct hive_key *key, const char *name,
				   struct hive_key **subkey);

	/**
	 * Add a new key.
	 */
	WERROR (*add_key) (TALLOC_CTX *ctx,
			   const struct hive_key *parent_key, const char *name,
			   const char *classname,
			   struct security_descriptor *desc,
			   struct hive_key **key);
	/**
	 * Remove an existing key.
	 */
	WERROR (*del_key) (const struct hive_key *key, const char *name);

	/**
	 * Force write of a key to disk.
	 */
	WERROR (*flush_key) (struct hive_key *key);

	/**
	 * Retrieve a registry value with a specific index.
	 */
	WERROR (*enum_value) (TALLOC_CTX *mem_ctx,
			      struct hive_key *key, int idx,
			      const char **name, uint32_t *type,
			      DATA_BLOB *data);

	/**
	 * Retrieve a registry value with the specified name
	 */
	WERROR (*get_value_by_name) (TALLOC_CTX *mem_ctx,
				     struct hive_key *key, const char *name,
				     uint32_t *type, DATA_BLOB *data);

	/**
	 * Set a value on the specified registry key.
	 */
	WERROR (*set_value) (struct hive_key *key, const char *name,
			     uint32_t type, const DATA_BLOB data);

	/**
	 * Remove a value.
	 */
	WERROR (*delete_value) (struct hive_key *key, const char *name);

	/* Security Descriptors */

	/**
	 * Change the security descriptor on a registry key.
	 *
	 * This should return WERR_NOT_SUPPORTED if the underlying
	 * format does not have a mechanism for storing
	 * security descriptors.
	 */
	WERROR (*set_sec_desc) (struct hive_key *key,
				const struct security_descriptor *desc);

	/**
	 * Retrieve the security descriptor on a registry key.
	 *
	 * This should return WERR_NOT_SUPPORTED if the underlying
	 * format does not have a mechanism for storing
	 * security descriptors.
	 */
	WERROR (*get_sec_desc) (TALLOC_CTX *ctx,
				const struct hive_key *key,
				struct security_descriptor **desc);

	/**
	 * Retrieve general information about a key.
	 */
	WERROR (*get_key_info) (TALLOC_CTX *mem_ctx,
				const struct hive_key *key,
				const char **classname,
				uint32_t *num_subkeys,
				uint32_t *num_values,
				NTTIME *last_change_time,
				uint32_t *max_subkeynamelen,
				uint32_t *max_valnamelen,
				uint32_t *max_valbufsize);
};

struct cli_credentials;
struct auth_session_info;
struct event_context;

WERROR reg_open_hive(TALLOC_CTX *parent_ctx, const char *location,
		     struct auth_session_info *session_info,
		     struct cli_credentials *credentials,
		     struct event_context *ev_ctx,
		     struct loadparm_context *lp_ctx,
		     struct hive_key **root);
WERROR hive_key_get_info(TALLOC_CTX *mem_ctx, const struct hive_key *key,
			 const char **classname, uint32_t *num_subkeys,
			 uint32_t *num_values, NTTIME *last_change_time,
			 uint32_t *max_subkeynamelen,
			 uint32_t *max_valnamelen, uint32_t *max_valbufsize);
WERROR hive_key_add_name(TALLOC_CTX *ctx, const struct hive_key *parent_key,
			 const char *name, const char *classname,
			 struct security_descriptor *desc,
			 struct hive_key **key);
WERROR hive_key_del(const struct hive_key *key, const char *name);
WERROR hive_get_key_by_name(TALLOC_CTX *mem_ctx,
			    const struct hive_key *key, const char *name,
			    struct hive_key **subkey);
WERROR hive_enum_key(TALLOC_CTX *mem_ctx,
		     const struct hive_key *key, uint32_t idx,
		     const char **name,
		     const char **classname,
		     NTTIME *last_mod_time);

WERROR hive_key_set_value(struct hive_key *key, const char *name,
		      uint32_t type, const DATA_BLOB data);

WERROR hive_get_value(TALLOC_CTX *mem_ctx,
		      struct hive_key *key, const char *name,
		      uint32_t *type, DATA_BLOB *data);
WERROR hive_get_value_by_index(TALLOC_CTX *mem_ctx,
			       struct hive_key *key, uint32_t idx,
			       const char **name,
			       uint32_t *type, DATA_BLOB *data);

WERROR hive_key_del_value(struct hive_key *key, const char *name);

WERROR hive_key_flush(struct hive_key *key);


/* Individual backends */
WERROR reg_open_directory(TALLOC_CTX *parent_ctx,
			  const char *location, struct hive_key **key);
WERROR reg_open_regf_file(TALLOC_CTX *parent_ctx,
			  const char *location, struct smb_iconv_convenience *iconv_convenience,
			  struct hive_key **key);
WERROR reg_open_ldb_file(TALLOC_CTX *parent_ctx, const char *location,
			 struct auth_session_info *session_info,
			 struct cli_credentials *credentials,
			 struct event_context *ev_ctx,
			 struct loadparm_context *lp_ctx,
			 struct hive_key **k);


WERROR reg_create_directory(TALLOC_CTX *parent_ctx,
			    const char *location, struct hive_key **key);
WERROR reg_create_regf_file(TALLOC_CTX *parent_ctx,
			    struct smb_iconv_convenience *iconv_convenience,
			    const char *location,
			    int major_version,
			    struct hive_key **key);



/* Handles for the predefined keys */
#define HKEY_CLASSES_ROOT		0x80000000
#define HKEY_CURRENT_USER		0x80000001
#define HKEY_LOCAL_MACHINE		0x80000002
#define HKEY_USERS			0x80000003
#define HKEY_PERFORMANCE_DATA		0x80000004
#define HKEY_CURRENT_CONFIG		0x80000005
#define HKEY_DYN_DATA			0x80000006
#define HKEY_PERFORMANCE_TEXT		0x80000050
#define HKEY_PERFORMANCE_NLSTEXT	0x80000060

#define HKEY_FIRST		HKEY_CLASSES_ROOT
#define HKEY_LAST		HKEY_PERFORMANCE_NLSTEXT

struct reg_predefined_key {
	uint32_t handle;
	const char *name;
};

extern const struct reg_predefined_key reg_predefined_keys[];

#define	REG_DELETE		-1

/*
 * The general idea here is that every backend provides a 'hive'. Combining
 * various hives gives you a complete registry like windows has
 */

#define REGISTRY_INTERFACE_VERSION 1

struct reg_key_operations;

/* structure to store the registry handles */
struct registry_key
{
	struct registry_context *context;
};

struct registry_value
{
	const char *name;
	unsigned int data_type;
	DATA_BLOB data;
};

/* FIXME */
typedef void (*reg_key_notification_function) (void);
typedef void (*reg_value_notification_function) (void);

struct cli_credentials;

struct registry_operations {
	const char *name;

	WERROR (*get_key_info) (TALLOC_CTX *mem_ctx,
				const struct registry_key *key,
				const char **classname,
				uint32_t *numsubkeys,
				uint32_t *numvalues,
				NTTIME *last_change_time,
				uint32_t *max_subkeynamelen,
				uint32_t *max_valnamelen,
				uint32_t *max_valbufsize);

	WERROR (*flush_key) (struct registry_key *key);

	WERROR (*get_predefined_key) (struct registry_context *ctx,
				      uint32_t key_id,
				      struct registry_key **key);

	WERROR (*open_key) (TALLOC_CTX *mem_ctx,
			    struct registry_key *parent,
			    const char *path,
			    struct registry_key **key);

	WERROR (*create_key) (TALLOC_CTX *mem_ctx,
			      struct registry_key *parent,
			      const char *name,
			      const char *key_class,
			      struct security_descriptor *security,
			      struct registry_key **key);

	WERROR (*delete_key) (struct registry_key *key, const char *name);

	WERROR (*delete_value) (struct registry_key *key, const char *name);

	WERROR (*enum_key) (TALLOC_CTX *mem_ctx,
			    const struct registry_key *key, uint32_t idx,
			    const char **name,
			    const char **keyclass,
			    NTTIME *last_changed_time);

	WERROR (*enum_value) (TALLOC_CTX *mem_ctx,
			      const struct registry_key *key, uint32_t idx,
			      const char **name,
			      uint32_t *type,
			      DATA_BLOB *data);

	WERROR (*get_security) (TALLOC_CTX *mem_ctx,
				const struct registry_key *key,
				struct security_descriptor **security);

	WERROR (*set_security) (struct registry_key *key,
				const struct security_descriptor *security);

	WERROR (*load_key) (struct registry_key *key,
			    const char *key_name,
			    const char *path);

	WERROR (*unload_key) (struct registry_key *key, const char *name);

	WERROR (*notify_value_change) (struct registry_key *key,
				       reg_value_notification_function fn);

	WERROR (*get_value) (TALLOC_CTX *mem_ctx,
			     const struct registry_key *key,
			     const char *name,
			     uint32_t *type,
			     DATA_BLOB *data);

	WERROR (*set_value) (struct registry_key *key,
			     const char *name,
			     uint32_t type,
			     const DATA_BLOB data);
};

/**
 * Handle to a full registry
 * contains zero or more hives
 */
struct registry_context {
	const struct registry_operations *ops;
};

struct auth_session_info;
struct event_context;
struct loadparm_context;

/**
 * Open the locally defined registry.
 */
WERROR reg_open_local(TALLOC_CTX *mem_ctx,
		      struct registry_context **ctx);

WERROR reg_open_samba(TALLOC_CTX *mem_ctx,
		      struct registry_context **ctx,
		      struct event_context *ev_ctx,
		      struct loadparm_context *lp_ctx,
		      struct auth_session_info *session_info,
		      struct cli_credentials *credentials);

/**
 * Open the registry on a remote machine.
 */
WERROR reg_open_remote(struct registry_context **ctx,
		       struct auth_session_info *session_info,
		       struct cli_credentials *credentials,
		       struct loadparm_context *lp_ctx,
		       const char *location, struct event_context *ev);

WERROR reg_open_wine(struct registry_context **ctx, const char *path);

const char *reg_get_predef_name(uint32_t hkey);
WERROR reg_get_predefined_key_by_name(struct registry_context *ctx,
				      const char *name,
				      struct registry_key **key);
WERROR reg_get_predefined_key(struct registry_context *ctx,
			      uint32_t hkey,
			      struct registry_key **key);

WERROR reg_open_key(TALLOC_CTX *mem_ctx, struct registry_key *parent,
		    const char *name, struct registry_key **result);

WERROR reg_key_get_value_by_index(TALLOC_CTX *mem_ctx,
				  const struct registry_key *key, uint32_t idx,
				  const char **name,
				  uint32_t *type,
				  DATA_BLOB *data);
WERROR reg_key_get_info(TALLOC_CTX *mem_ctx,
			const struct registry_key *key,
			const char **class_name,
			uint32_t *num_subkeys,
			uint32_t *num_values,
			NTTIME *last_change_time,
			uint32_t *max_subkeynamelen,
			uint32_t *max_valnamelen,
			uint32_t *max_valbufsize);
WERROR reg_key_get_subkey_by_index(TALLOC_CTX *mem_ctx,
				   const struct registry_key *key,
				   int idx,
				   const char **name,
				   const char **classname,
				   NTTIME *last_mod_time);
WERROR reg_key_get_subkey_by_name(TALLOC_CTX *mem_ctx,
				  const struct registry_key *key,
				  const char *name,
				  struct registry_key **subkey);
WERROR reg_key_get_value_by_name(TALLOC_CTX *mem_ctx,
				 const struct registry_key *key,
				 const char *name,
				 uint32_t *type,
				 DATA_BLOB *data);
WERROR reg_key_del(struct registry_key *parent, const char *name);
WERROR reg_key_add_name(TALLOC_CTX *mem_ctx,
			struct registry_key *parent, const char *name,
			const char *classname,
			struct security_descriptor *desc,
			struct registry_key **newkey);
WERROR reg_val_set(struct registry_key *key, const char *value,
		   uint32_t type, DATA_BLOB data);
WERROR reg_get_sec_desc(TALLOC_CTX *ctx, const struct registry_key *key,
			struct security_descriptor **secdesc);
WERROR reg_del_value(struct registry_key *key, const char *valname);
WERROR reg_key_flush(struct registry_key *key);
WERROR reg_create_key(TALLOC_CTX *mem_ctx,
		      struct registry_key *parent,
		      const char *name,
		      const char *key_class,
		      struct security_descriptor *security,
		      struct registry_key **key);

/* Utility functions */
const char *str_regtype(int type);
char *reg_val_data_string(TALLOC_CTX *mem_ctx, struct smb_iconv_convenience *iconv_convenience, uint32_t type, const DATA_BLOB data);
char *reg_val_description(TALLOC_CTX *mem_ctx, struct smb_iconv_convenience *iconv_convenience, const char *name,
			  uint32_t type, const DATA_BLOB data);
bool reg_string_to_val(TALLOC_CTX *mem_ctx, struct smb_iconv_convenience *iconv_convenience, const char *type_str,
		       const char *data_str, uint32_t *type, DATA_BLOB *data);
WERROR reg_open_key_abs(TALLOC_CTX *mem_ctx, struct registry_context *handle,
			const char *name, struct registry_key **result);
WERROR reg_key_del_abs(struct registry_context *ctx, const char *path);
WERROR reg_key_add_abs(TALLOC_CTX *mem_ctx, struct registry_context *ctx,
		       const char *path, uint32_t access_mask,
		       struct security_descriptor *sec_desc,
		       struct registry_key **result);
WERROR reg_load_key(struct registry_context *ctx, struct registry_key *key,
		    const char *name, const char *filename);

WERROR reg_mount_hive(struct registry_context *rctx,
		      struct hive_key *hive_key,
		      uint32_t key_id,
		      const char **elements);

struct registry_key *reg_import_hive_key(struct registry_context *ctx,
					 struct hive_key *hive,
					 uint32_t predef_key,
					 const char **elements);
WERROR reg_get_security(TALLOC_CTX *mem_ctx,
			const struct registry_key *key,
			struct security_descriptor **security);

WERROR reg_set_security(struct registry_key *key,
			struct security_descriptor *security);

struct reg_diff_callbacks {
	WERROR (*add_key) (void *callback_data, const char *key_name);
	WERROR (*set_value) (void *callback_data, const char *key_name,
			     const char *value_name, uint32_t value_type,
			     DATA_BLOB value);
	WERROR (*del_value) (void *callback_data, const char *key_name,
			     const char *value_name);
	WERROR (*del_key) (void *callback_data, const char *key_name);
	WERROR (*del_all_values) (void *callback_data, const char *key_name);
	WERROR (*done) (void *callback_data);
};

WERROR reg_diff_apply(struct registry_context *ctx, const char *filename);

WERROR reg_generate_diff(struct registry_context *ctx1,
			 struct registry_context *ctx2,
			 const struct reg_diff_callbacks *callbacks,
			 void *callback_data);
WERROR reg_dotreg_diff_save(TALLOC_CTX *ctx, const char *filename,
			    struct smb_iconv_convenience *iconv_convenience,
			    struct reg_diff_callbacks **callbacks,
			    void **callback_data);
WERROR reg_generate_diff_key(struct registry_key *oldkey,
			     struct registry_key *newkey,
			     const char *path,
			     const struct reg_diff_callbacks *callbacks,
			     void *callback_data);



#endif /* _REGISTRY_H */