summaryrefslogtreecommitdiff
path: root/source4/lib/registry/registry.h
blob: 09d61c6b4f978e2d7ba4cfb9a7f01ab3ad31f87e (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
/* 
   Unix SMB/CIFS implementation.
   Registry interface
   Copyright (C) Gerald Carter                        2002.
   Copyright (C) Jelmer Vernooij					  2003-2004.
   
   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 

#include "core.h"
#include "talloc/talloc.h"
#include "librpc/gen_ndr/security.h"

/* 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

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

/* structure to store the registry handles */
struct registry_key 
{
  const char *name;       
  const char *path;	
  const char *class_name; 
  NTTIME last_mod; 
  struct registry_hive *hive;
  void *backend_data;
};

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);

/* 
 * Container for function pointers to enumeration routines
 * for virtual registry view 
 *
 * Backends can provide :
 *  - just one hive (example: nt4, w95)
 *  - several hives (example: rpc).
 * 
 * Backends should always do case-insensitive compares 
 * (everything is case-insensitive but case-preserving, 
 * just like the FS)
 *
 * There is no save function as all operations are expected to 
 * be atomic.
 */ 

struct hive_operations {
	const char *name;

	/* Implement this one */
	WERROR (*open_hive) (struct registry_hive *, struct registry_key **);

	/* Or this one */
	WERROR (*open_key) (TALLOC_CTX *, const struct registry_key *, const char *name, struct registry_key **);

	WERROR (*num_subkeys) (const struct registry_key *, uint32_t *count);
	WERROR (*num_values) (const struct registry_key *, uint32_t *count);
	WERROR (*get_subkey_by_index) (TALLOC_CTX *, const struct registry_key *, int idx, struct registry_key **);

	/* Can not contain more than one level */
	WERROR (*get_subkey_by_name) (TALLOC_CTX *, const struct registry_key *, const char *name, struct registry_key **);
	WERROR (*get_value_by_index) (TALLOC_CTX *, const struct registry_key *, int idx, struct registry_value **);

	/* Can not contain more than one level */
	WERROR (*get_value_by_name) (TALLOC_CTX *, const struct registry_key *, const char *name, struct registry_value **);

	/* Security control */
	WERROR (*key_get_sec_desc) (TALLOC_CTX *, const struct registry_key *, struct security_descriptor **);
	WERROR (*key_set_sec_desc) (const struct registry_key *, const struct security_descriptor *);

	/* Notification */
	WERROR (*request_key_change_notify) (const struct registry_key *, reg_key_notification_function);
	WERROR (*request_value_change_notify) (const struct registry_value *, reg_value_notification_function);

	/* Key management */
	WERROR (*add_key)(TALLOC_CTX *, const struct registry_key *, const char *name, uint32_t access_mask, struct security_descriptor *, struct registry_key **);
	WERROR (*del_key)(const struct registry_key *, const char *name);
	WERROR (*flush_key) (const struct registry_key *);

	/* Value management */
	WERROR (*set_value)(const struct registry_key *, const char *name, uint32_t type, const DATA_BLOB data); 
	WERROR (*del_value)(const struct registry_key *, const char *valname);
};

struct cli_credentials;

struct registry_hive
{
	const struct hive_operations *functions;
	struct registry_key *root;
	struct auth_session_info *session_info;
	struct cli_credentials *credentials;
	void *backend_data;
	const char *location;
};

/* Handle to a full registry
 * contains zero or more hives */
struct registry_context {
    void *backend_data;
	struct cli_credentials *credentials;
	struct auth_session_info *session_info;
	WERROR (*get_predefined_key) (struct registry_context *, uint32_t hkey, struct registry_key **);
};

struct reg_init_function_entry {
	const struct hive_operations *hive_functions;
	struct reg_init_function_entry *prev, *next;
};

/* Representing differences between registry files */

struct reg_diff_value
{
	const char *name;
	enum { REG_DIFF_DEL_VAL, REG_DIFF_SET_VAL } changetype;
	uint32_t type;
	DATA_BLOB data;
};

struct reg_diff_key
{
	const char *name;
	enum { REG_DIFF_CHANGE_KEY, REG_DIFF_DEL_KEY } changetype;
	uint32_t numvalues;
	struct reg_diff_value *values;
};

struct reg_diff
{
	const char *format;
	uint32_t numkeys;
	struct reg_diff_key *keys;
};

struct auth_session_info;
struct event_context;

#ifndef _PUBLIC_
#define _PUBLIC_
#endif

_PUBLIC_ WERROR reg_open_local (TALLOC_CTX *mem_ctx, 
				struct registry_context **ctx, 
				struct auth_session_info *session_info, 
				struct cli_credentials *credentials);

_PUBLIC_ WERROR reg_open_remote(struct registry_context **ctx, 
								struct auth_session_info *session_info, 
								struct cli_credentials *credentials, 
								const char *location, struct event_context *ev);

_PUBLIC_ NTSTATUS registry_register(const void *_hive_ops);
_PUBLIC_ NTSTATUS registry_init(void);
_PUBLIC_ BOOL reg_has_backend(const char *backend);
_PUBLIC_ int reg_list_predefs(TALLOC_CTX *mem_ctx, char ***predefs, uint32_t **hkeys);
_PUBLIC_ const char *reg_get_predef_name(uint32_t hkey);
_PUBLIC_ WERROR reg_get_predefined_key_by_name(struct registry_context *ctx, const char *name, struct registry_key **key);
_PUBLIC_ WERROR reg_get_predefined_key(struct registry_context *ctx, uint32_t hkey, struct registry_key **key);
_PUBLIC_ WERROR reg_open_hive(TALLOC_CTX *parent_ctx, const char *backend, const char *location, struct auth_session_info *session_info, struct cli_credentials *credentials, struct registry_key **root);
_PUBLIC_ WERROR reg_open_key(TALLOC_CTX *mem_ctx, struct registry_key *parent, const char *name, struct registry_key **result);
_PUBLIC_ WERROR reg_key_get_value_by_index(TALLOC_CTX *mem_ctx, const struct registry_key *key, int idx, struct registry_value **val);
_PUBLIC_ WERROR reg_key_num_subkeys(const struct registry_key *key, uint32_t *count);
_PUBLIC_ WERROR reg_key_num_values(const struct registry_key *key, uint32_t *count);
_PUBLIC_ WERROR reg_key_get_subkey_by_index(TALLOC_CTX *mem_ctx, const struct registry_key *key, int idx, struct registry_key **subkey);
WERROR reg_key_get_subkey_by_name(TALLOC_CTX *mem_ctx, const struct registry_key *key, const char *name, struct registry_key **subkey);
_PUBLIC_ WERROR reg_key_get_value_by_name(TALLOC_CTX *mem_ctx, const struct registry_key *key, const char *name, struct registry_value **val);
_PUBLIC_ WERROR reg_key_del(struct registry_key *parent, const char *name);
_PUBLIC_ WERROR reg_key_add_name(TALLOC_CTX *mem_ctx, const struct registry_key *parent, const char *name, uint32_t access_mask, struct security_descriptor *desc, struct registry_key **newkey);
_PUBLIC_ WERROR reg_val_set(struct registry_key *key, const char *value, uint32_t type, DATA_BLOB data);
_PUBLIC_ WERROR reg_get_sec_desc(TALLOC_CTX *ctx, const struct registry_key *key, struct security_descriptor **secdesc);
_PUBLIC_ WERROR reg_del_value(const struct registry_key *key, const char *valname);
_PUBLIC_ WERROR reg_key_flush(const struct registry_key *key);
_PUBLIC_ WERROR reg_key_subkeysizes(const struct registry_key *key, uint32_t *max_subkeylen, uint32_t *max_subkeysize);
_PUBLIC_ WERROR reg_key_valuesizes(const struct registry_key *key, uint32_t *max_valnamelen, uint32_t *max_valbufsize);

/* Utility functions */

_PUBLIC_ const char *str_regtype(int type);
_PUBLIC_ char *reg_val_data_string(TALLOC_CTX *mem_ctx, uint32_t type, DATA_BLOB *data);
_PUBLIC_ char *reg_val_description(TALLOC_CTX *mem_ctx, struct registry_value *val) ;
_PUBLIC_ BOOL reg_string_to_val(TALLOC_CTX *mem_ctx, const char *type_str, const char *data_str, uint32_t *type, DATA_BLOB *data);
char *reg_path_win2unix(char *path) ;
char *reg_path_unix2win(char *path) ;
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);


/* Patch files */

_PUBLIC_ struct reg_diff *reg_generate_diff(TALLOC_CTX *mem_ctx, struct registry_context *ctx1, struct registry_context *ctx2);
_PUBLIC_ WERROR reg_diff_save(const struct reg_diff *diff, const char *filename);
_PUBLIC_ struct reg_diff *reg_diff_load(TALLOC_CTX *ctx, const char *fn);
_PUBLIC_ BOOL reg_diff_apply (const struct reg_diff *diff, struct registry_context *ctx);

NTSTATUS registry_rpc_init(void);

#endif /* _REGISTRY_H */