Coverage Report

Created: 2026-07-10 07:32

next uncovered line (L), next uncovered region (R), next uncovered branch (B)
/src/libfwsi/libfwsi/libfwsi_extension_block_0xbeef0014_values.c
Line
Count
Source
1
/*
2
 * Extension block 0xbeef0014 values functions
3
 *
4
 * Copyright (C) 2010-2026, Joachim Metz <joachim.metz@gmail.com>
5
 *
6
 * Refer to AUTHORS for acknowledgements.
7
 *
8
 * This program is free software: you can redistribute it and/or modify
9
 * it under the terms of the GNU Lesser General Public License as published by
10
 * the Free Software Foundation, either version 3 of the License, or
11
 * (at your option) any later version.
12
 *
13
 * This program is distributed in the hope that it will be useful,
14
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16
 * GNU General Public License for more details.
17
 *
18
 * You should have received a copy of the GNU Lesser General Public License
19
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
20
 */
21
22
#include <common.h>
23
#include <byte_stream.h>
24
#include <memory.h>
25
#include <types.h>
26
27
#include "libfwsi_debug.h"
28
#include "libfwsi_definitions.h"
29
#include "libfwsi_extension_block_0xbeef0014_values.h"
30
#include "libfwsi_libcerror.h"
31
#include "libfwsi_libcnotify.h"
32
#include "libfwsi_libfguid.h"
33
34
static const uint8_t curi_class_identifier[ 16 ] = {
35
  0x13, 0xce, 0x2f, 0xdf, 0xec, 0x25, 0xbb, 0x45, 0x9d, 0x4c, 0xce, 0xcd, 0x47, 0xc2, 0x43, 0x0c };
36
37
/* Creates extension block 0xbeef0014 values
38
 * Make sure the value extension_block_0xbeef0014_values is referencing, is set to NULL
39
 * Returns 1 if successful or -1 on error
40
 */
41
int libfwsi_extension_block_0xbeef0014_values_initialize(
42
     libfwsi_extension_block_0xbeef0014_values_t **extension_block_0xbeef0014_values,
43
     libcerror_error_t **error )
44
0
{
45
0
  static char *function = "libfwsi_extension_block_0xbeef0014_values_initialize";
46
47
0
  if( extension_block_0xbeef0014_values == NULL )
48
0
  {
49
0
    libcerror_error_set(
50
0
     error,
51
0
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
52
0
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
53
0
     "%s: invalid extension block 0xbeef0014 values.",
54
0
     function );
55
56
0
    return( -1 );
57
0
  }
58
0
  if( *extension_block_0xbeef0014_values != NULL )
59
0
  {
60
0
    libcerror_error_set(
61
0
     error,
62
0
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
63
0
     LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,
64
0
     "%s: invalid extension block 0xbeef0014 values value already set.",
65
0
     function );
66
67
0
    return( -1 );
68
0
  }
69
0
  *extension_block_0xbeef0014_values = memory_allocate_structure(
70
0
                                        libfwsi_extension_block_0xbeef0014_values_t );
71
72
0
  if( *extension_block_0xbeef0014_values == NULL )
73
0
  {
74
0
    libcerror_error_set(
75
0
     error,
76
0
     LIBCERROR_ERROR_DOMAIN_MEMORY,
77
0
     LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
78
0
     "%s: unable to create extension block 0xbeef0014 values.",
79
0
     function );
80
81
0
    goto on_error;
82
0
  }
83
0
  if( memory_set(
84
0
       *extension_block_0xbeef0014_values,
85
0
       0,
86
0
       sizeof( libfwsi_extension_block_0xbeef0014_values_t ) ) == NULL )
87
0
  {
88
0
    libcerror_error_set(
89
0
     error,
90
0
     LIBCERROR_ERROR_DOMAIN_MEMORY,
91
0
     LIBCERROR_MEMORY_ERROR_SET_FAILED,
92
0
     "%s: unable to clear extension block 0xbeef0014 values.",
93
0
     function );
94
95
0
    goto on_error;
96
0
  }
97
0
  return( 1 );
98
99
0
on_error:
100
0
  if( *extension_block_0xbeef0014_values != NULL )
101
0
  {
102
0
    memory_free(
103
0
     *extension_block_0xbeef0014_values );
104
105
0
    *extension_block_0xbeef0014_values = NULL;
106
0
  }
107
0
  return( -1 );
108
0
}
109
110
/* Frees extension block 0xbeef0014 values
111
 * Returns 1 if successful or -1 on error
112
 */
113
int libfwsi_extension_block_0xbeef0014_values_free(
114
     libfwsi_extension_block_0xbeef0014_values_t **extension_block_0xbeef0014_values,
115
     libcerror_error_t **error )
116
0
{
117
0
  static char *function = "libfwsi_extension_block_0xbeef0014_values_free";
118
119
0
  if( extension_block_0xbeef0014_values == NULL )
120
0
  {
121
0
    libcerror_error_set(
122
0
     error,
123
0
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
124
0
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
125
0
     "%s: invalid extension block 0xbeef0014 values.",
126
0
     function );
127
128
0
    return( -1 );
129
0
  }
130
0
  if( *extension_block_0xbeef0014_values != NULL )
131
0
  {
132
0
    memory_free(
133
0
     *extension_block_0xbeef0014_values );
134
135
0
    *extension_block_0xbeef0014_values = NULL;
136
0
  }
137
0
  return( 1 );
138
0
}
139
140
/* Reads the extension block 0xbeef0014 values
141
 * Returns 1 if successful, 0 if not supported or -1 on error
142
 */
143
int libfwsi_extension_block_0xbeef0014_values_read_data(
144
     libfwsi_extension_block_0xbeef0014_values_t *extension_block_0xbeef0014_values,
145
     const uint8_t *data,
146
     size_t data_size,
147
     libcerror_error_t **error )
148
0
{
149
0
  static char *function         = "libfwsi_extension_block_0xbeef0014_values_read_data";
150
0
  size_t data_offset            = 0;
151
0
  uint32_t number_of_properties = 0;
152
0
  uint32_t property_index       = 0;
153
0
  uint32_t property_size        = 0;
154
0
  uint32_t signature            = 0;
155
0
  int result                    = 0;
156
157
#if defined( HAVE_DEBUG_OUTPUT )
158
  uint32_t value_32bit          = 0;
159
#endif
160
161
0
  if( extension_block_0xbeef0014_values == NULL )
162
0
  {
163
0
    libcerror_error_set(
164
0
     error,
165
0
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
166
0
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
167
0
     "%s: invalid extension block 0xbeef0014 values.",
168
0
     function );
169
170
0
    return( -1 );
171
0
  }
172
0
  if( data == NULL )
173
0
  {
174
0
    libcerror_error_set(
175
0
     error,
176
0
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
177
0
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
178
0
     "%s: invalid data.",
179
0
     function );
180
181
0
    return( -1 );
182
0
  }
183
0
  if( data_size > (size_t) SSIZE_MAX )
184
0
  {
185
0
    libcerror_error_set(
186
0
     error,
187
0
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
188
0
     LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
189
0
     "%s: data size exceeds maximum.",
190
0
     function );
191
192
0
    return( -1 );
193
0
  }
194
  /* Do not try to parse unsupported data sizes
195
   */
196
0
  if( data_size < 26 )
197
0
  {
198
0
    return( 0 );
199
0
  }
200
  /* Do not try to parse unsupported extension block signatures
201
   */
202
0
  byte_stream_copy_to_uint32_little_endian(
203
0
   &( data[ 4 ] ),
204
0
   signature );
205
206
0
  if( signature != 0xbeef0014 )
207
0
  {
208
0
    return( 0 );
209
0
  }
210
#if defined( HAVE_DEBUG_OUTPUT )
211
  if( libcnotify_verbose != 0 )
212
  {
213
    if( libfwsi_debug_print_guid_value(
214
         function,
215
         "class identifier\t\t",
216
         &( data[ 8 ] ),
217
         16,
218
         LIBFGUID_ENDIAN_LITTLE,
219
         LIBFGUID_STRING_FORMAT_FLAG_USE_LOWER_CASE,
220
         error ) != 1 )
221
    {
222
      libcerror_error_set(
223
       error,
224
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
225
       LIBCERROR_RUNTIME_ERROR_PRINT_FAILED,
226
       "%s: unable to print GUID value.",
227
       function );
228
229
      return( -1 );
230
    }
231
  }
232
#endif
233
0
  result = memory_compare(
234
0
            &( data[ 8 ] ),
235
0
            curi_class_identifier,
236
0
            16 );
237
238
0
  data_offset = 24;
239
240
0
  if( result == 0 )
241
0
  {
242
0
    if( data_size < 58 )
243
0
    {
244
0
      return( 0 );
245
0
    }
246
#if defined( HAVE_DEBUG_OUTPUT )
247
    if( libcnotify_verbose != 0 )
248
    {
249
      byte_stream_copy_to_uint32_little_endian(
250
       &( data[ data_offset ] ),
251
       value_32bit );
252
253
      libcnotify_printf(
254
       "%s: data size\t\t\t: %" PRIu32 "\n",
255
       function,
256
       value_32bit );
257
    }
258
#endif
259
0
    data_offset += 4;
260
261
#if defined( HAVE_DEBUG_OUTPUT )
262
    if( libcnotify_verbose != 0 )
263
    {
264
      libcnotify_printf(
265
       "%s: unknown1:\n",
266
       function );
267
      libcnotify_print_data(
268
       &( data[ data_offset ] ),
269
       8,
270
       0 );
271
    }
272
#endif
273
0
    data_offset += 8;
274
275
#if defined( HAVE_DEBUG_OUTPUT )
276
    if( libcnotify_verbose != 0 )
277
    {
278
      byte_stream_copy_to_uint32_little_endian(
279
       &( data[ data_offset ] ),
280
       value_32bit );
281
282
      libcnotify_printf(
283
       "%s: unknown2\t\t\t: 0x%08" PRIx32 "\n",
284
       function,
285
       value_32bit );
286
    }
287
#endif
288
0
    data_offset += 4;
289
290
#if defined( HAVE_DEBUG_OUTPUT )
291
    if( libcnotify_verbose != 0 )
292
    {
293
      libcnotify_printf(
294
       "%s: unknown3:\n",
295
       function );
296
      libcnotify_print_data(
297
       &( data[ data_offset ] ),
298
       12,
299
       0 );
300
    }
301
#endif
302
0
    data_offset += 12;
303
304
    /* Property table
305
     */
306
0
    byte_stream_copy_to_uint32_little_endian(
307
0
     &( data[ data_offset ] ),
308
0
     number_of_properties );
309
310
#if defined( HAVE_DEBUG_OUTPUT )
311
    if( libcnotify_verbose != 0 )
312
    {
313
      libcnotify_printf(
314
       "%s: number of properties\t: %" PRIu32 "\n",
315
       function,
316
       number_of_properties );
317
    }
318
#endif
319
0
    data_offset += 4;
320
321
0
    for( property_index = 0;
322
0
         property_index < number_of_properties;
323
0
         property_index++ )
324
0
    {
325
0
      if( data_offset > ( data_size - 8 ) )
326
0
      {
327
0
        return( 0 );
328
0
      }
329
#if defined( HAVE_DEBUG_OUTPUT )
330
      if( libcnotify_verbose != 0 )
331
      {
332
        byte_stream_copy_to_uint32_little_endian(
333
         &( data[ data_offset ] ),
334
         value_32bit );
335
        libcnotify_printf(
336
         "%s: property: %" PRIu32 " type\t\t: %" PRIu32 "\n",
337
         function,
338
         property_index,
339
         value_32bit );
340
      }
341
#endif
342
0
      data_offset += 4;
343
344
0
      byte_stream_copy_to_uint32_little_endian(
345
0
       &( data[ data_offset ] ),
346
0
       property_size );
347
348
#if defined( HAVE_DEBUG_OUTPUT )
349
      if( libcnotify_verbose != 0 )
350
      {
351
        libcnotify_printf(
352
         "%s: property: %" PRIu32 " size\t\t: %" PRIu32 "\n",
353
         function,
354
         property_index,
355
         property_size );
356
      }
357
#endif
358
0
      data_offset += 4;
359
360
0
      if( ( property_size > data_size )
361
0
       || ( data_offset > ( data_size - property_size ) ) )
362
0
      {
363
0
        return( 0 );
364
0
      }
365
#if defined( HAVE_DEBUG_OUTPUT )
366
      if( libcnotify_verbose != 0 )
367
      {
368
        libcnotify_printf(
369
         "%s: property: %" PRIu32 " data:\n",
370
         function,
371
         property_index );
372
        libcnotify_print_data(
373
         &( data[ data_offset ] ),
374
         property_size,
375
         LIBCNOTIFY_PRINT_DATA_FLAG_GROUP_DATA );
376
      }
377
#endif
378
0
      data_offset += property_size;
379
0
    }
380
0
  }
381
#if defined( HAVE_DEBUG_OUTPUT )
382
  if( libcnotify_verbose != 0 )
383
  {
384
    libcnotify_printf(
385
     "\n" );
386
  }
387
#endif
388
0
  return( 1 );
389
0
}
390