source: releases/0.2/include/regfio.h@ 209

Last change on this file since 209 was 41, checked in by tim, 20 years ago

Added full printing of values, as with old code.

renamed type conversion functions to follow precedent.
  • Property svn:keywords set to Id
File size: 7.4 KB
Line 
1/*
2 * Branched from Samba project, Subversion repository version #6903:
3 * http://websvn.samba.org/cgi-bin/viewcvs.cgi/trunk/source/include/regfio.h
4 *
5 * Unix SMB/CIFS implementation.
6 * Windows NT registry I/O library
7 *
8 * Copyright (C) 2005 Timothy D. Morgan
9 * Copyright (C) 2005 Gerald (Jerry) Carter
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; version 2 of the License.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 *
24 * $Id: regfio.h 41 2005-08-01 01:13:15Z tim $
25 */
26
27/************************************************************
28 * Most of this information was obtained from
29 * http://www.wednesday.demon.co.uk/dosreg.html
30 * Thanks Nigel!
31 ***********************************************************/
32
33#ifndef _REGFIO_H
34#define _REGFIO_H
35
36#include <stdlib.h>
37#include <stdio.h>
38#include <stdbool.h>
39#include <string.h>
40#include <errno.h>
41#include <time.h>
42#include <fcntl.h>
43#include <sys/stat.h>
44#include <sys/types.h>
45#include <unistd.h>
46#include <assert.h>
47
48#include "smb_deps.h"
49
50/******************************************************************************/
51/* Macros */
52
53/* Registry data types */
54#define REG_NONE 0
55#define REG_SZ 1
56#define REG_EXPAND_SZ 2
57#define REG_BINARY 3
58#define REG_DWORD 4
59#define REG_DWORD_LE 4 /* DWORD, little endian */
60#define REG_DWORD_BE 5 /* DWORD, big endian */
61#define REG_LINK 6
62#define REG_MULTI_SZ 7
63#define REG_RESOURCE_LIST 8
64#define REG_FULL_RESOURCE_DESCRIPTOR 9
65#define REG_RESOURCE_REQUIREMENTS_LIST 10
66/* Not a real type in the registry */
67#define REG_KEY 255
68
69typedef struct _val_str {
70 unsigned int val;
71 const char * str;
72} VAL_STR;
73
74#define REGF_BLOCKSIZE 0x1000
75#define REGF_ALLOC_BLOCK 0x1000
76
77/* header sizes for various records */
78
79#define REGF_HDR_SIZE 4
80#define HBIN_HDR_SIZE 4
81#define HBIN_HEADER_REC_SIZE 0x24
82#define REC_HDR_SIZE 2
83
84#define REGF_OFFSET_NONE 0xffffffff
85
86/* Flags for the vk records */
87
88#define VK_FLAG_NAME_PRESENT 0x0001
89#define VK_DATA_IN_OFFSET 0x80000000
90
91/* NK record macros */
92
93#define NK_TYPE_LINKKEY 0x0010
94#define NK_TYPE_NORMALKEY 0x0020
95#define NK_TYPE_ROOTKEY 0x002c
96
97#define HBIN_STORE_REF(x, y) { x->hbin = y; y->ref_count++ };
98#define HBIN_REMOVE_REF(x, y) { x->hbin = NULL; y->ref_count-- /* if the count == 0; we can clean up */ };
99
100
101/* HBIN block */
102struct regf_hbin;
103typedef struct regf_hbin {
104 struct regf_hbin *prev, *next;
105 uint32 file_off; /* my offset in the registry file */
106 uint32 free_off; /* offset to free space within the hbin record */
107 uint32 free_size; /* amount of data left in the block */
108 int ref_count; /* how many active records are pointing to this block (not used currently) */
109
110 char header[HBIN_HDR_SIZE]; /* "hbin" */
111 uint32 first_hbin_off; /* offset from first hbin block */
112 uint32 block_size; /* block size of this blockually a multiple of 4096Kb) */
113
114 prs_struct ps; /* data */
115
116 bool dirty; /* has this hbin block been modified? */
117} REGF_HBIN;
118
119/* ??? List -- list of key offsets and hashed names for consistency */
120
121typedef struct {
122 uint32 nk_off;
123 uint8 keycheck[sizeof(uint32)];
124} REGF_HASH_REC;
125
126typedef struct {
127 REGF_HBIN *hbin; /* pointer to HBIN record (in memory) containing this nk record */
128 uint32 hbin_off; /* offset from beginning of this hbin block */
129 uint32 rec_size; /* ((start_offset - end_offset) & 0xfffffff8) */
130
131 char header[REC_HDR_SIZE];
132 uint16 num_keys;
133 REGF_HASH_REC *hashes;
134} REGF_LF_REC;
135
136/* Key Value */
137
138typedef struct {
139 REGF_HBIN *hbin; /* pointer to HBIN record (in memory) containing this nk record */
140 uint32 hbin_off; /* offset from beginning of this hbin block */
141 uint32 rec_size; /* ((start_offset - end_offset) & 0xfffffff8) */
142 uint32 rec_off; /* offset stored in the value list */
143
144 char header[REC_HDR_SIZE];
145 char *valuename;
146 uint32 data_size;
147 uint32 data_off;
148 uint8 *data;
149 uint32 type;
150 uint16 flag;
151} REGF_VK_REC;
152
153
154/* Key Security */
155struct _regf_sk_rec;
156
157typedef struct _regf_sk_rec {
158 struct _regf_sk_rec *next, *prev;
159 REGF_HBIN *hbin; /* pointer to HBIN record (in memory) containing this nk record */
160 uint32 hbin_off; /* offset from beginning of this hbin block */
161 uint32 rec_size; /* ((start_offset - end_offset) & 0xfffffff8) */
162
163 uint32 sk_off; /* offset parsed from NK record used as a key
164 to lookup reference to this SK record */
165
166 char header[REC_HDR_SIZE];
167 uint32 prev_sk_off;
168 uint32 next_sk_off;
169 uint32 ref_count;
170 uint32 size;
171 SEC_DESC *sec_desc;
172} REGF_SK_REC;
173
174/* Key Name */
175
176typedef struct {
177 REGF_HBIN *hbin; /* pointer to HBIN record (in memory) containing this nk record */
178 uint32 hbin_off; /* offset from beginning of this hbin block */
179 uint32 subkey_index; /* index to next subkey record to return */
180 uint32 rec_size; /* ((start_offset - end_offset) & 0xfffffff8) */
181
182 /* header information */
183
184 char header[REC_HDR_SIZE];
185 uint16 key_type;
186 NTTIME mtime;
187 uint32 parent_off; /* back pointer in registry hive */
188 uint32 classname_off;
189 char *classname;
190 char *keyname;
191
192 /* max lengths */
193
194 uint32 max_bytes_subkeyname; /* max subkey name * 2 */
195 uint32 max_bytes_subkeyclassname; /* max subkey classname length (as if) */
196 uint32 max_bytes_valuename; /* max valuename * 2 */
197 uint32 max_bytes_value; /* max value data size */
198
199 /* unknowns */
200
201 uint32 unk_index; /* nigel says run time index ? */
202
203 /* children */
204
205 uint32 num_subkeys;
206 uint32 subkeys_off; /* hash records that point to NK records */
207 uint32 num_values;
208 uint32 values_off; /* value lists which point to VK records */
209 uint32 sk_off; /* offset to SK record */
210
211 /* link in the other records here */
212
213 REGF_LF_REC subkeys;
214 REGF_VK_REC *values;
215 REGF_SK_REC *sec_desc;
216
217} REGF_NK_REC;
218
219/* REGF block */
220
221typedef struct {
222 /* run time information */
223
224 int fd; /* file descriptor */
225 int open_flags; /* flags passed to the open() call */
226 void *mem_ctx; /* memory context for run-time file access information */
227 REGF_HBIN *block_list; /* list of open hbin blocks */
228
229 /* file format information */
230
231 char header[REGF_HDR_SIZE]; /* "regf" */
232 uint32 data_offset; /* offset to record in the first (or any?) hbin block */
233 uint32 last_block; /* offset to last hbin block in file */
234 uint32 checksum; /* XOR of bytes 0x0000 - 0x01FB */
235 NTTIME mtime;
236
237 REGF_SK_REC *sec_desc_list; /* list of security descriptors referenced by NK records */
238
239 /* unknowns used to simply writing */
240
241 uint32 unknown1;
242 uint32 unknown2;
243 uint32 unknown3;
244 uint32 unknown4;
245 uint32 unknown5;
246 uint32 unknown6;
247
248} REGF_FILE;
249
250/* Function Declarations */
251
252const char* regfio_type_val2str(unsigned int val);
253int regfio_type_str2val(const char* str);
254
255REGF_FILE* regfio_open( const char *filename );
256int regfio_close( REGF_FILE *r );
257
258REGF_NK_REC* regfio_rootkey( REGF_FILE *file );
259REGF_NK_REC* regfio_fetch_subkey( REGF_FILE *file, REGF_NK_REC *nk );
260
261#endif /* _REGFIO_H */
Note: See TracBrowser for help on using the repository browser.