/src/libewf/libewf/libewf_write_io_handle.c
Line | Count | Source (jump to first uncovered line) |
1 | | /* |
2 | | * Low level writing functions |
3 | | * |
4 | | * Copyright (C) 2006-2023, 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 <system_string.h> |
26 | | #include <types.h> |
27 | | |
28 | | #if defined( HAVE_SYS_TIME_H ) |
29 | | #include <sys/time.h> |
30 | | #endif |
31 | | |
32 | | #include <time.h> |
33 | | |
34 | | #include "libewf_chunk_data.h" |
35 | | #include "libewf_chunk_descriptor.h" |
36 | | #include "libewf_chunk_table.h" |
37 | | #include "libewf_compression.h" |
38 | | #include "libewf_definitions.h" |
39 | | #include "libewf_filename.h" |
40 | | #include "libewf_header_sections.h" |
41 | | #include "libewf_header_values.h" |
42 | | #include "libewf_io_handle.h" |
43 | | #include "libewf_libbfio.h" |
44 | | #include "libewf_libcdata.h" |
45 | | #include "libewf_libcerror.h" |
46 | | #include "libewf_libcnotify.h" |
47 | | #include "libewf_libfcache.h" |
48 | | #include "libewf_libfdata.h" |
49 | | #include "libewf_libfvalue.h" |
50 | | #include "libewf_media_values.h" |
51 | | #include "libewf_read_io_handle.h" |
52 | | #include "libewf_section.h" |
53 | | #include "libewf_segment_file.h" |
54 | | #include "libewf_segment_table.h" |
55 | | #include "libewf_unused.h" |
56 | | #include "libewf_write_io_handle.h" |
57 | | |
58 | | #include "ewf_data.h" |
59 | | #include "ewf_section.h" |
60 | | #include "ewf_table.h" |
61 | | |
62 | | /* Creates a write IO handle |
63 | | * Make sure the value write_io_handle is referencing, is set to NULL |
64 | | * Returns 1 if successful or -1 on error |
65 | | */ |
66 | | int libewf_write_io_handle_initialize( |
67 | | libewf_write_io_handle_t **write_io_handle, |
68 | | libewf_io_handle_t *io_handle, |
69 | | libcerror_error_t **error ) |
70 | 0 | { |
71 | 0 | static char *function = "libewf_write_io_handle_initialize"; |
72 | |
|
73 | 0 | if( write_io_handle == NULL ) |
74 | 0 | { |
75 | 0 | libcerror_error_set( |
76 | 0 | error, |
77 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
78 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
79 | 0 | "%s: invalid write IO handle.", |
80 | 0 | function ); |
81 | |
|
82 | 0 | return( -1 ); |
83 | 0 | } |
84 | 0 | if( *write_io_handle != NULL ) |
85 | 0 | { |
86 | 0 | libcerror_error_set( |
87 | 0 | error, |
88 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
89 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
90 | 0 | "%s: invalid write IO handle value already set.", |
91 | 0 | function ); |
92 | |
|
93 | 0 | return( -1 ); |
94 | 0 | } |
95 | 0 | if( io_handle == NULL ) |
96 | 0 | { |
97 | 0 | libcerror_error_set( |
98 | 0 | error, |
99 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
100 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
101 | 0 | "%s: invalid IO handle.", |
102 | 0 | function ); |
103 | |
|
104 | 0 | return( -1 ); |
105 | 0 | } |
106 | 0 | *write_io_handle = memory_allocate_structure( |
107 | 0 | libewf_write_io_handle_t ); |
108 | |
|
109 | 0 | if( *write_io_handle == NULL ) |
110 | 0 | { |
111 | 0 | libcerror_error_set( |
112 | 0 | error, |
113 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
114 | 0 | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
115 | 0 | "%s: unable to create write IO handle.", |
116 | 0 | function ); |
117 | |
|
118 | 0 | goto on_error; |
119 | 0 | } |
120 | 0 | if( memory_set( |
121 | 0 | *write_io_handle, |
122 | 0 | 0, |
123 | 0 | sizeof( libewf_write_io_handle_t ) ) == NULL ) |
124 | 0 | { |
125 | 0 | libcerror_error_set( |
126 | 0 | error, |
127 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
128 | 0 | LIBCERROR_MEMORY_ERROR_SET_FAILED, |
129 | 0 | "%s: unable to clear write IO handle.", |
130 | 0 | function ); |
131 | |
|
132 | 0 | memory_free( |
133 | 0 | *write_io_handle ); |
134 | |
|
135 | 0 | *write_io_handle = NULL; |
136 | |
|
137 | 0 | return( -1 ); |
138 | 0 | } |
139 | 0 | if( libcdata_array_initialize( |
140 | 0 | &( ( *write_io_handle )->chunks_section ), |
141 | 0 | 0, |
142 | 0 | error ) != 1 ) |
143 | 0 | { |
144 | 0 | libcerror_error_set( |
145 | 0 | error, |
146 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
147 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
148 | 0 | "%s: unable to create chunk section.", |
149 | 0 | function ); |
150 | |
|
151 | 0 | goto on_error; |
152 | 0 | } |
153 | 0 | ( *write_io_handle )->pack_flags = LIBEWF_PACK_FLAG_CALCULATE_CHECKSUM; |
154 | 0 | ( *write_io_handle )->section_descriptor_size = sizeof( ewf_section_descriptor_v1_t ); |
155 | 0 | ( *write_io_handle )->table_header_size = sizeof( ewf_table_header_v1_t ); |
156 | 0 | ( *write_io_handle )->table_entry_size = sizeof( ewf_table_entry_v1_t ); |
157 | 0 | ( *write_io_handle )->maximum_segment_file_size = INT64_MAX; |
158 | 0 | ( *write_io_handle )->remaining_segment_file_size = LIBEWF_DEFAULT_SEGMENT_FILE_SIZE; |
159 | 0 | ( *write_io_handle )->maximum_chunks_per_section = LIBEWF_MAXIMUM_TABLE_ENTRIES_ENCASE6; |
160 | 0 | ( *write_io_handle )->maximum_number_of_segments = (uint32_t) 14971; |
161 | 0 | ( *write_io_handle )->current_file_io_pool_entry = -1; |
162 | |
|
163 | 0 | return( 1 ); |
164 | | |
165 | 0 | on_error: |
166 | 0 | if( *write_io_handle != NULL ) |
167 | 0 | { |
168 | 0 | memory_free( |
169 | 0 | *write_io_handle ); |
170 | |
|
171 | 0 | *write_io_handle = NULL; |
172 | 0 | } |
173 | 0 | return( -1 ); |
174 | 0 | } |
175 | | |
176 | | /* Frees a write IO handle |
177 | | * Returns 1 if successful or -1 on error |
178 | | */ |
179 | | int libewf_write_io_handle_free( |
180 | | libewf_write_io_handle_t **write_io_handle, |
181 | | libcerror_error_t **error ) |
182 | 0 | { |
183 | 0 | static char *function = "libewf_write_io_handle_free"; |
184 | 0 | int result = 1; |
185 | |
|
186 | 0 | if( write_io_handle == NULL ) |
187 | 0 | { |
188 | 0 | libcerror_error_set( |
189 | 0 | error, |
190 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
191 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
192 | 0 | "%s: invalid write IO handle.", |
193 | 0 | function ); |
194 | |
|
195 | 0 | return( -1 ); |
196 | 0 | } |
197 | 0 | if( *write_io_handle != NULL ) |
198 | 0 | { |
199 | 0 | if( ( *write_io_handle )->case_data != NULL ) |
200 | 0 | { |
201 | 0 | memory_free( |
202 | 0 | ( *write_io_handle )->case_data ); |
203 | 0 | } |
204 | 0 | if( ( *write_io_handle )->device_information != NULL ) |
205 | 0 | { |
206 | 0 | memory_free( |
207 | 0 | ( *write_io_handle )->device_information ); |
208 | 0 | } |
209 | 0 | if( ( *write_io_handle )->data_section != NULL ) |
210 | 0 | { |
211 | 0 | memory_free( |
212 | 0 | ( *write_io_handle )->data_section ); |
213 | 0 | } |
214 | 0 | if( ( *write_io_handle )->table_section_data != NULL ) |
215 | 0 | { |
216 | 0 | memory_free( |
217 | 0 | ( *write_io_handle )->table_section_data ); |
218 | 0 | } |
219 | 0 | if( ( *write_io_handle )->compressed_zero_byte_empty_block != NULL ) |
220 | 0 | { |
221 | 0 | memory_free( |
222 | 0 | ( *write_io_handle )->compressed_zero_byte_empty_block ); |
223 | 0 | } |
224 | 0 | if( libcdata_array_free( |
225 | 0 | &( ( *write_io_handle )->chunks_section ), |
226 | 0 | (int (*)(intptr_t **, libcerror_error_t **)) &libewf_chunk_descriptor_free, |
227 | 0 | error ) != 1 ) |
228 | 0 | { |
229 | 0 | libcerror_error_set( |
230 | 0 | error, |
231 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
232 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
233 | 0 | "%s: unable to free chunk section.", |
234 | 0 | function ); |
235 | |
|
236 | 0 | result = -1; |
237 | 0 | } |
238 | 0 | memory_free( |
239 | 0 | *write_io_handle ); |
240 | |
|
241 | 0 | *write_io_handle = NULL; |
242 | 0 | } |
243 | 0 | return( result ); |
244 | 0 | } |
245 | | |
246 | | /* Clones the write IO handle |
247 | | * Returns 1 if successful or -1 on error |
248 | | */ |
249 | | int libewf_write_io_handle_clone( |
250 | | libewf_write_io_handle_t **destination_write_io_handle, |
251 | | libewf_write_io_handle_t *source_write_io_handle, |
252 | | libcerror_error_t **error ) |
253 | 0 | { |
254 | 0 | static char *function = "libewf_write_io_handle_clone"; |
255 | |
|
256 | 0 | if( destination_write_io_handle == NULL ) |
257 | 0 | { |
258 | 0 | libcerror_error_set( |
259 | 0 | error, |
260 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
261 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
262 | 0 | "%s: invalid destination write IO handle.", |
263 | 0 | function ); |
264 | |
|
265 | 0 | return( -1 ); |
266 | 0 | } |
267 | 0 | if( *destination_write_io_handle != NULL ) |
268 | 0 | { |
269 | 0 | libcerror_error_set( |
270 | 0 | error, |
271 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
272 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
273 | 0 | "%s: invalid destination write IO handle value already set.", |
274 | 0 | function ); |
275 | |
|
276 | 0 | return( -1 ); |
277 | 0 | } |
278 | 0 | if( source_write_io_handle == NULL ) |
279 | 0 | { |
280 | 0 | *destination_write_io_handle = NULL; |
281 | |
|
282 | 0 | return( 1 ); |
283 | 0 | } |
284 | 0 | *destination_write_io_handle = memory_allocate_structure( |
285 | 0 | libewf_write_io_handle_t ); |
286 | |
|
287 | 0 | if( *destination_write_io_handle == NULL ) |
288 | 0 | { |
289 | 0 | libcerror_error_set( |
290 | 0 | error, |
291 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
292 | 0 | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
293 | 0 | "%s: unable to create destination write IO handle.", |
294 | 0 | function ); |
295 | |
|
296 | 0 | goto on_error; |
297 | 0 | } |
298 | 0 | if( memory_copy( |
299 | 0 | *destination_write_io_handle, |
300 | 0 | source_write_io_handle, |
301 | 0 | sizeof( libewf_write_io_handle_t ) ) == NULL ) |
302 | 0 | { |
303 | 0 | libcerror_error_set( |
304 | 0 | error, |
305 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
306 | 0 | LIBCERROR_MEMORY_ERROR_COPY_FAILED, |
307 | 0 | "%s: unable to copy source to destination write IO handle.", |
308 | 0 | function ); |
309 | |
|
310 | 0 | goto on_error; |
311 | 0 | } |
312 | 0 | ( *destination_write_io_handle )->case_data = NULL; |
313 | 0 | ( *destination_write_io_handle )->case_data_size = 0; |
314 | 0 | ( *destination_write_io_handle )->device_information = NULL; |
315 | 0 | ( *destination_write_io_handle )->device_information_size = 0; |
316 | 0 | ( *destination_write_io_handle )->data_section = NULL; |
317 | 0 | ( *destination_write_io_handle )->table_section_data = NULL; |
318 | 0 | ( *destination_write_io_handle )->table_section_data_size = 0; |
319 | 0 | ( *destination_write_io_handle )->table_entries_data = NULL; |
320 | 0 | ( *destination_write_io_handle )->table_entries_data_size = 0; |
321 | 0 | ( *destination_write_io_handle )->number_of_table_entries = 0; |
322 | 0 | ( *destination_write_io_handle )->chunks_section = NULL; |
323 | 0 | ( *destination_write_io_handle )->current_file_io_pool_entry = -1; |
324 | 0 | ( *destination_write_io_handle )->current_segment_file = NULL; |
325 | |
|
326 | 0 | if( source_write_io_handle->case_data != NULL ) |
327 | 0 | { |
328 | 0 | ( *destination_write_io_handle )->case_data = (uint8_t *) memory_allocate( |
329 | 0 | source_write_io_handle->case_data_size ); |
330 | |
|
331 | 0 | if( ( *destination_write_io_handle )->case_data == NULL ) |
332 | 0 | { |
333 | 0 | libcerror_error_set( |
334 | 0 | error, |
335 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
336 | 0 | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
337 | 0 | "%s: unable to create destination case data.", |
338 | 0 | function ); |
339 | |
|
340 | 0 | goto on_error; |
341 | 0 | } |
342 | 0 | if( memory_copy( |
343 | 0 | ( *destination_write_io_handle )->case_data, |
344 | 0 | source_write_io_handle->case_data, |
345 | 0 | sizeof( ewf_data_t ) ) == NULL ) |
346 | 0 | { |
347 | 0 | libcerror_error_set( |
348 | 0 | error, |
349 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
350 | 0 | LIBCERROR_MEMORY_ERROR_COPY_FAILED, |
351 | 0 | "%s: unable to copy source to destination case data.", |
352 | 0 | function ); |
353 | |
|
354 | 0 | goto on_error; |
355 | 0 | } |
356 | 0 | } |
357 | 0 | if( source_write_io_handle->device_information != NULL ) |
358 | 0 | { |
359 | 0 | ( *destination_write_io_handle )->device_information = (uint8_t *) memory_allocate( |
360 | 0 | source_write_io_handle->device_information_size ); |
361 | |
|
362 | 0 | if( ( *destination_write_io_handle )->device_information == NULL ) |
363 | 0 | { |
364 | 0 | libcerror_error_set( |
365 | 0 | error, |
366 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
367 | 0 | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
368 | 0 | "%s: unable to create destination device information.", |
369 | 0 | function ); |
370 | |
|
371 | 0 | goto on_error; |
372 | 0 | } |
373 | 0 | if( memory_copy( |
374 | 0 | ( *destination_write_io_handle )->device_information, |
375 | 0 | source_write_io_handle->device_information, |
376 | 0 | sizeof( ewf_data_t ) ) == NULL ) |
377 | 0 | { |
378 | 0 | libcerror_error_set( |
379 | 0 | error, |
380 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
381 | 0 | LIBCERROR_MEMORY_ERROR_COPY_FAILED, |
382 | 0 | "%s: unable to copy source to destination device information.", |
383 | 0 | function ); |
384 | |
|
385 | 0 | goto on_error; |
386 | 0 | } |
387 | 0 | } |
388 | 0 | if( source_write_io_handle->data_section != NULL ) |
389 | 0 | { |
390 | 0 | ( *destination_write_io_handle )->data_section = memory_allocate_structure( |
391 | 0 | ewf_data_t ); |
392 | |
|
393 | 0 | if( ( *destination_write_io_handle )->data_section == NULL ) |
394 | 0 | { |
395 | 0 | libcerror_error_set( |
396 | 0 | error, |
397 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
398 | 0 | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
399 | 0 | "%s: unable to create destination data section.", |
400 | 0 | function ); |
401 | |
|
402 | 0 | goto on_error; |
403 | 0 | } |
404 | 0 | if( memory_copy( |
405 | 0 | ( *destination_write_io_handle )->data_section, |
406 | 0 | source_write_io_handle->data_section, |
407 | 0 | sizeof( ewf_data_t ) ) == NULL ) |
408 | 0 | { |
409 | 0 | libcerror_error_set( |
410 | 0 | error, |
411 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
412 | 0 | LIBCERROR_MEMORY_ERROR_COPY_FAILED, |
413 | 0 | "%s: unable to copy source to destination data section.", |
414 | 0 | function ); |
415 | |
|
416 | 0 | goto on_error; |
417 | 0 | } |
418 | 0 | } |
419 | 0 | if( source_write_io_handle->table_section_data != NULL ) |
420 | 0 | { |
421 | 0 | ( *destination_write_io_handle )->table_section_data = (uint8_t *) memory_allocate( |
422 | 0 | source_write_io_handle->table_section_data_size ); |
423 | |
|
424 | 0 | if( ( *destination_write_io_handle )->table_section_data == NULL ) |
425 | 0 | { |
426 | 0 | libcerror_error_set( |
427 | 0 | error, |
428 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
429 | 0 | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
430 | 0 | "%s: unable to create destination table section data.", |
431 | 0 | function ); |
432 | |
|
433 | 0 | goto on_error; |
434 | 0 | } |
435 | 0 | if( memory_copy( |
436 | 0 | ( *destination_write_io_handle )->table_section_data, |
437 | 0 | source_write_io_handle->table_section_data, |
438 | 0 | source_write_io_handle->table_section_data_size ) == NULL ) |
439 | 0 | { |
440 | 0 | libcerror_error_set( |
441 | 0 | error, |
442 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
443 | 0 | LIBCERROR_MEMORY_ERROR_COPY_FAILED, |
444 | 0 | "%s: unable to copy source to destination table section data.", |
445 | 0 | function ); |
446 | |
|
447 | 0 | goto on_error; |
448 | 0 | } |
449 | 0 | ( *destination_write_io_handle )->table_section_data_size = source_write_io_handle->table_section_data_size; |
450 | |
|
451 | 0 | ( *destination_write_io_handle )->table_entries_data = ( *destination_write_io_handle )->table_section_data |
452 | 0 | + ( *destination_write_io_handle )->table_header_size; |
453 | |
|
454 | 0 | ( *destination_write_io_handle )->table_entries_data_size = source_write_io_handle->table_entries_data_size; |
455 | 0 | } |
456 | 0 | if( libcdata_array_clone( |
457 | 0 | &( ( *destination_write_io_handle )->chunks_section ), |
458 | 0 | source_write_io_handle->chunks_section, |
459 | 0 | (int (*)(intptr_t **, libcerror_error_t **)) &libewf_chunk_descriptor_free, |
460 | 0 | (int (*)(intptr_t **, intptr_t *, libcerror_error_t **)) &libewf_chunk_descriptor_clone, |
461 | 0 | error ) != 1 ) |
462 | 0 | { |
463 | 0 | libcerror_error_set( |
464 | 0 | error, |
465 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
466 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
467 | 0 | "%s: unable to create destination chunks section.", |
468 | 0 | function ); |
469 | |
|
470 | 0 | goto on_error; |
471 | 0 | } |
472 | 0 | return( 1 ); |
473 | | |
474 | 0 | on_error: |
475 | 0 | if( *destination_write_io_handle != NULL ) |
476 | 0 | { |
477 | 0 | if( ( *destination_write_io_handle )->table_section_data != NULL ) |
478 | 0 | { |
479 | 0 | memory_free( |
480 | 0 | ( *destination_write_io_handle )->table_section_data ); |
481 | 0 | } |
482 | 0 | if( ( *destination_write_io_handle )->data_section != NULL ) |
483 | 0 | { |
484 | 0 | memory_free( |
485 | 0 | ( *destination_write_io_handle )->data_section ); |
486 | 0 | } |
487 | 0 | if( ( *destination_write_io_handle )->device_information != NULL ) |
488 | 0 | { |
489 | 0 | memory_free( |
490 | 0 | ( *destination_write_io_handle )->device_information ); |
491 | 0 | } |
492 | 0 | if( ( *destination_write_io_handle )->case_data != NULL ) |
493 | 0 | { |
494 | 0 | memory_free( |
495 | 0 | ( *destination_write_io_handle )->case_data ); |
496 | 0 | } |
497 | 0 | memory_free( |
498 | 0 | *destination_write_io_handle ); |
499 | |
|
500 | 0 | *destination_write_io_handle = NULL; |
501 | 0 | } |
502 | 0 | return( -1 ); |
503 | 0 | } |
504 | | |
505 | | /* Initializes the write IO handle value to start writing |
506 | | * Returns 1 if successful or -1 on error |
507 | | */ |
508 | | int libewf_write_io_handle_initialize_values( |
509 | | libewf_write_io_handle_t *write_io_handle, |
510 | | libewf_io_handle_t *io_handle, |
511 | | libewf_media_values_t *media_values, |
512 | | libewf_segment_table_t *segment_table, |
513 | | libcerror_error_t **error ) |
514 | 0 | { |
515 | 0 | uint8_t *compressed_zero_byte_empty_block = NULL; |
516 | 0 | uint8_t *zero_byte_empty_block = NULL; |
517 | 0 | static char *function = "libewf_write_io_handle_initialize_values"; |
518 | 0 | void *reallocation = NULL; |
519 | 0 | int64_t required_number_of_segments = 0; |
520 | 0 | int8_t compression_level = 0; |
521 | 0 | int result = 0; |
522 | |
|
523 | 0 | if( write_io_handle == NULL ) |
524 | 0 | { |
525 | 0 | libcerror_error_set( |
526 | 0 | error, |
527 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
528 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
529 | 0 | "%s: invalid write IO handle.", |
530 | 0 | function ); |
531 | |
|
532 | 0 | return( -1 ); |
533 | 0 | } |
534 | 0 | if( write_io_handle->values_initialized != 0 ) |
535 | 0 | { |
536 | 0 | libcerror_error_set( |
537 | 0 | error, |
538 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
539 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
540 | 0 | "%s: write values were initialized and cannot be initialized anymore.", |
541 | 0 | function ); |
542 | |
|
543 | 0 | return( -1 ); |
544 | 0 | } |
545 | 0 | if( io_handle == NULL ) |
546 | 0 | { |
547 | 0 | libcerror_error_set( |
548 | 0 | error, |
549 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
550 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
551 | 0 | "%s: invalid IO handle.", |
552 | 0 | function ); |
553 | |
|
554 | 0 | return( -1 ); |
555 | 0 | } |
556 | 0 | if( media_values == NULL ) |
557 | 0 | { |
558 | 0 | libcerror_error_set( |
559 | 0 | error, |
560 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
561 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
562 | 0 | "%s: invalid media values.", |
563 | 0 | function ); |
564 | |
|
565 | 0 | return( -1 ); |
566 | 0 | } |
567 | 0 | if( ( media_values->chunk_size == 0 ) |
568 | 0 | || ( media_values->chunk_size > MEMORY_MAXIMUM_ALLOCATION_SIZE ) ) |
569 | 0 | { |
570 | 0 | libcerror_error_set( |
571 | 0 | error, |
572 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
573 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
574 | 0 | "%s: invalid media values - chunk size value out of bounds.", |
575 | 0 | function ); |
576 | |
|
577 | 0 | return( -1 ); |
578 | 0 | } |
579 | 0 | if( segment_table == NULL ) |
580 | 0 | { |
581 | 0 | libcerror_error_set( |
582 | 0 | error, |
583 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
584 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
585 | 0 | "%s: invalid segment table.", |
586 | 0 | function ); |
587 | |
|
588 | 0 | return( -1 ); |
589 | 0 | } |
590 | | /* Determine the maximum segment size |
591 | | */ |
592 | 0 | if( segment_table->maximum_segment_size == 0 ) |
593 | 0 | { |
594 | 0 | segment_table->maximum_segment_size = write_io_handle->maximum_segment_file_size; |
595 | 0 | } |
596 | 0 | write_io_handle->pack_flags = LIBEWF_PACK_FLAG_CALCULATE_CHECKSUM; |
597 | |
|
598 | 0 | if( ( io_handle->format == LIBEWF_FORMAT_EWF ) |
599 | 0 | || ( io_handle->format == LIBEWF_FORMAT_SMART ) ) |
600 | 0 | { |
601 | 0 | write_io_handle->pack_flags |= LIBEWF_PACK_FLAG_FORCE_COMPRESSION; |
602 | 0 | } |
603 | 0 | else if( ( io_handle->format == LIBEWF_FORMAT_V2_ENCASE7 ) |
604 | 0 | || ( io_handle->format == LIBEWF_FORMAT_V2_LOGICAL_ENCASE7 ) ) |
605 | 0 | { |
606 | 0 | write_io_handle->pack_flags |= LIBEWF_PACK_FLAG_ADD_ALIGNMENT_PADDING; |
607 | 0 | } |
608 | 0 | if( io_handle->format == LIBEWF_FORMAT_V2_ENCASE7 ) |
609 | 0 | { |
610 | 0 | write_io_handle->section_descriptor_size = sizeof( ewf_section_descriptor_v2_t ); |
611 | 0 | write_io_handle->table_header_size = sizeof( ewf_table_header_v2_t ); |
612 | 0 | write_io_handle->table_entry_size = sizeof( ewf_table_entry_v2_t ); |
613 | 0 | } |
614 | 0 | else |
615 | 0 | { |
616 | 0 | write_io_handle->section_descriptor_size = sizeof( ewf_section_descriptor_v1_t ); |
617 | 0 | write_io_handle->table_header_size = sizeof( ewf_table_header_v1_t ); |
618 | 0 | write_io_handle->table_entry_size = sizeof( ewf_table_entry_v1_t ); |
619 | 0 | } |
620 | 0 | if( io_handle->segment_file_type == LIBEWF_SEGMENT_FILE_TYPE_UNDEFINED ) |
621 | 0 | { |
622 | 0 | io_handle->segment_file_type = LIBEWF_SEGMENT_FILE_TYPE_EWF1; |
623 | 0 | } |
624 | 0 | if( io_handle->segment_file_type == LIBEWF_SEGMENT_FILE_TYPE_EWF1_SMART ) |
625 | 0 | { |
626 | | /* Leave space for the a table entry in the table section |
627 | | */ |
628 | 0 | write_io_handle->chunk_table_entries_reserved_size = sizeof( ewf_table_entry_v1_t ); |
629 | | |
630 | | /* Leave space for the table section descriptor |
631 | | */ |
632 | 0 | write_io_handle->chunks_section_reserved_size = sizeof( ewf_section_descriptor_v1_t ); |
633 | 0 | } |
634 | 0 | else if( io_handle->format == LIBEWF_FORMAT_ENCASE1 ) |
635 | 0 | { |
636 | | /* Leave space for the a table entry in the table section |
637 | | */ |
638 | 0 | write_io_handle->chunk_table_entries_reserved_size = sizeof( ewf_table_entry_v1_t ); |
639 | | |
640 | | /* Leave space for the table section descriptor and the table footer |
641 | | */ |
642 | 0 | write_io_handle->chunks_section_reserved_size = sizeof( ewf_section_descriptor_v1_t ) + 4; |
643 | 0 | } |
644 | 0 | else if( ( io_handle->segment_file_type == LIBEWF_SEGMENT_FILE_TYPE_EWF1 ) |
645 | 0 | || ( io_handle->segment_file_type == LIBEWF_SEGMENT_FILE_TYPE_EWF1_LOGICAL ) ) |
646 | 0 | { |
647 | | /* Leave space for the a table entry in the table and table2 sections |
648 | | */ |
649 | 0 | write_io_handle->chunk_table_entries_reserved_size = 2 * sizeof( ewf_table_entry_v1_t ); |
650 | | |
651 | | /* Leave space for the sectors, table and table2 section descriptors and the table and table2 footers |
652 | | */ |
653 | 0 | write_io_handle->chunks_section_reserved_size = ( 3 * sizeof( ewf_section_descriptor_v1_t ) ) + ( 2 * 4 ); |
654 | 0 | } |
655 | 0 | else |
656 | 0 | { |
657 | | /* Leave space for the a table entry in the sector table section |
658 | | */ |
659 | 0 | write_io_handle->chunk_table_entries_reserved_size = sizeof( ewf_table_entry_v2_t ); |
660 | | |
661 | | /* Leave space for the sector data and sector table section descriptor and the sector table footer |
662 | | */ |
663 | 0 | write_io_handle->chunks_section_reserved_size = sizeof( ewf_section_descriptor_v2_t ) + 16; |
664 | 0 | } |
665 | | /* If no input write size was provided check if EWF file format allows for streaming |
666 | | */ |
667 | 0 | if( media_values->media_size == 0 ) |
668 | 0 | { |
669 | 0 | if( ( io_handle->format != LIBEWF_FORMAT_ENCASE2 ) |
670 | 0 | && ( io_handle->format != LIBEWF_FORMAT_ENCASE3 ) |
671 | 0 | && ( io_handle->format != LIBEWF_FORMAT_ENCASE4 ) |
672 | 0 | && ( io_handle->format != LIBEWF_FORMAT_ENCASE5 ) |
673 | 0 | && ( io_handle->format != LIBEWF_FORMAT_ENCASE6 ) |
674 | 0 | && ( io_handle->format != LIBEWF_FORMAT_ENCASE7 ) |
675 | 0 | && ( io_handle->format != LIBEWF_FORMAT_LINEN5 ) |
676 | 0 | && ( io_handle->format != LIBEWF_FORMAT_LINEN6 ) |
677 | 0 | && ( io_handle->format != LIBEWF_FORMAT_LINEN7 ) |
678 | 0 | && ( io_handle->format != LIBEWF_FORMAT_LOGICAL_ENCASE5 ) |
679 | 0 | && ( io_handle->format != LIBEWF_FORMAT_LOGICAL_ENCASE6 ) |
680 | 0 | && ( io_handle->format != LIBEWF_FORMAT_LOGICAL_ENCASE7 ) |
681 | 0 | && ( io_handle->format != LIBEWF_FORMAT_V2_ENCASE7 ) |
682 | 0 | && ( io_handle->format != LIBEWF_FORMAT_FTK_IMAGER ) |
683 | 0 | && ( io_handle->format != LIBEWF_FORMAT_EWFX ) ) |
684 | 0 | { |
685 | 0 | libcerror_error_set( |
686 | 0 | error, |
687 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
688 | 0 | LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE, |
689 | 0 | "%s: format does not allow for streaming write.", |
690 | 0 | function ); |
691 | |
|
692 | 0 | goto on_error; |
693 | 0 | } |
694 | 0 | } |
695 | 0 | else |
696 | 0 | { |
697 | | /* Determine the required number of segments allowed to write |
698 | | */ |
699 | 0 | required_number_of_segments = (int64_t) media_values->media_size |
700 | 0 | / (int64_t) segment_table->maximum_segment_size; |
701 | |
|
702 | 0 | if( required_number_of_segments > (int64_t) write_io_handle->maximum_number_of_segments ) |
703 | 0 | { |
704 | 0 | libcerror_error_set( |
705 | 0 | error, |
706 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
707 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
708 | 0 | "%s: the maximum number of allowed segment files will be exceeded with the segment file size: %" PRIu64 ".", |
709 | 0 | function, |
710 | 0 | segment_table->maximum_segment_size ); |
711 | |
|
712 | 0 | goto on_error; |
713 | 0 | } |
714 | 0 | } |
715 | 0 | if( media_values->media_size > LIBEWF_2_TIB ) |
716 | 0 | { |
717 | | /* TODO what about linen 7 */ |
718 | 0 | if( ( io_handle->format != LIBEWF_FORMAT_ENCASE6 ) |
719 | 0 | && ( io_handle->format != LIBEWF_FORMAT_ENCASE7 ) |
720 | 0 | && ( io_handle->format != LIBEWF_FORMAT_V2_ENCASE7 ) |
721 | 0 | && ( io_handle->format != LIBEWF_FORMAT_EWFX ) ) |
722 | 0 | { |
723 | 0 | libcerror_error_set( |
724 | 0 | error, |
725 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
726 | 0 | LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE, |
727 | 0 | "%s: format does not allow for a media size greater than 2 TiB.", |
728 | 0 | function ); |
729 | |
|
730 | 0 | goto on_error; |
731 | 0 | } |
732 | 0 | } |
733 | 0 | io_handle->chunk_size = media_values->chunk_size; |
734 | |
|
735 | 0 | if( ( write_io_handle->pack_flags & LIBEWF_PACK_FLAG_FORCE_COMPRESSION ) == 0 ) |
736 | 0 | { |
737 | 0 | if( write_io_handle->compressed_zero_byte_empty_block == NULL ) |
738 | 0 | { |
739 | 0 | zero_byte_empty_block = (uint8_t *) memory_allocate( |
740 | 0 | sizeof( uint8_t ) * (size_t) media_values->chunk_size ); |
741 | |
|
742 | 0 | if( zero_byte_empty_block == NULL ) |
743 | 0 | { |
744 | 0 | libcerror_error_set( |
745 | 0 | error, |
746 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
747 | 0 | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
748 | 0 | "%s: unable to create zero byte empty block.", |
749 | 0 | function ); |
750 | |
|
751 | 0 | goto on_error; |
752 | 0 | } |
753 | 0 | if( memory_set( |
754 | 0 | zero_byte_empty_block, |
755 | 0 | 0, |
756 | 0 | sizeof( uint8_t ) * (size_t) media_values->chunk_size ) == NULL ) |
757 | 0 | { |
758 | 0 | libcerror_error_set( |
759 | 0 | error, |
760 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
761 | 0 | LIBCERROR_MEMORY_ERROR_SET_FAILED, |
762 | 0 | "%s: unable to clear zero byte empty block.", |
763 | 0 | function ); |
764 | |
|
765 | 0 | goto on_error; |
766 | 0 | } |
767 | 0 | write_io_handle->compressed_zero_byte_empty_block_size = 1024; |
768 | |
|
769 | 0 | compressed_zero_byte_empty_block = (uint8_t *) memory_allocate( |
770 | 0 | sizeof( uint8_t ) * write_io_handle->compressed_zero_byte_empty_block_size ); |
771 | |
|
772 | 0 | if( compressed_zero_byte_empty_block == NULL ) |
773 | 0 | { |
774 | 0 | libcerror_error_set( |
775 | 0 | error, |
776 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
777 | 0 | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
778 | 0 | "%s: unable to create compressed zero byte empty block.", |
779 | 0 | function ); |
780 | |
|
781 | 0 | goto on_error; |
782 | 0 | } |
783 | 0 | compression_level = io_handle->compression_level; |
784 | |
|
785 | 0 | if( compression_level == LIBEWF_COMPRESSION_LEVEL_NONE ) |
786 | 0 | { |
787 | 0 | compression_level = LIBEWF_COMPRESSION_LEVEL_DEFAULT; |
788 | 0 | } |
789 | 0 | result = libewf_compress_data( |
790 | 0 | compressed_zero_byte_empty_block, |
791 | 0 | &( write_io_handle->compressed_zero_byte_empty_block_size ), |
792 | 0 | io_handle->compression_method, |
793 | 0 | compression_level, |
794 | 0 | zero_byte_empty_block, |
795 | 0 | (size_t) media_values->chunk_size, |
796 | 0 | error ); |
797 | | |
798 | | /* Check if the compressed buffer was too small |
799 | | * and a new compressed data size buffer was passed back |
800 | | */ |
801 | 0 | if( result == 0 ) |
802 | 0 | { |
803 | 0 | if( write_io_handle->compressed_zero_byte_empty_block_size <= 1024 ) |
804 | 0 | { |
805 | 0 | libcerror_error_set( |
806 | 0 | error, |
807 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
808 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
809 | 0 | "%s: invalid compressed string size value out of bounds.", |
810 | 0 | function ); |
811 | |
|
812 | 0 | goto on_error; |
813 | 0 | } |
814 | 0 | #if !defined( HAVE_COMPRESS_BOUND ) && !defined( WINAPI ) |
815 | | /* The some version of zlib require a fairly large buffer |
816 | | * if compressBound() was not used but the factor 2 use the chunk size instead |
817 | | */ |
818 | 0 | write_io_handle->compressed_zero_byte_empty_block_size = media_values->chunk_size; |
819 | | |
820 | | /* For EWF-S01 in a worst case scenario the resulting chunk data is + 16 larger than the chunk size |
821 | | */ |
822 | 0 | if( ( io_handle->format == LIBEWF_FORMAT_SMART ) |
823 | 0 | || ( io_handle->format == LIBEWF_FORMAT_EWF ) ) |
824 | 0 | { |
825 | 0 | write_io_handle->compressed_zero_byte_empty_block_size += 16; |
826 | 0 | } |
827 | 0 | #endif |
828 | 0 | reallocation = memory_reallocate( |
829 | 0 | compressed_zero_byte_empty_block, |
830 | 0 | sizeof( uint8_t ) * write_io_handle->compressed_zero_byte_empty_block_size ); |
831 | |
|
832 | 0 | if( reallocation == NULL ) |
833 | 0 | { |
834 | 0 | libcerror_error_set( |
835 | 0 | error, |
836 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
837 | 0 | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
838 | 0 | "%s: unable to resize compressed zero byte empty block.", |
839 | 0 | function ); |
840 | |
|
841 | 0 | return( -1 ); |
842 | 0 | } |
843 | 0 | compressed_zero_byte_empty_block = (uint8_t *) reallocation; |
844 | |
|
845 | 0 | result = libewf_compress_data( |
846 | 0 | compressed_zero_byte_empty_block, |
847 | 0 | &( write_io_handle->compressed_zero_byte_empty_block_size ), |
848 | 0 | io_handle->compression_method, |
849 | 0 | compression_level, |
850 | 0 | zero_byte_empty_block, |
851 | 0 | (size_t) media_values->chunk_size, |
852 | 0 | error ); |
853 | 0 | } |
854 | 0 | if( result != 1 ) |
855 | 0 | { |
856 | 0 | libcerror_error_free( |
857 | 0 | error ); |
858 | |
|
859 | 0 | memory_free( |
860 | 0 | compressed_zero_byte_empty_block ); |
861 | |
|
862 | 0 | write_io_handle->compressed_zero_byte_empty_block_size = 0; |
863 | 0 | } |
864 | 0 | else |
865 | 0 | { |
866 | | #if defined( HAVE_DEBUG_OUTPUT ) |
867 | | if( libcnotify_verbose != 0 ) |
868 | | { |
869 | | libcnotify_printf( |
870 | | "%s: compressed zero byte empty block data:\n", |
871 | | function ); |
872 | | libcnotify_print_data( |
873 | | compressed_zero_byte_empty_block, |
874 | | write_io_handle->compressed_zero_byte_empty_block_size, |
875 | | 0 ); |
876 | | } |
877 | | #endif |
878 | 0 | write_io_handle->compressed_zero_byte_empty_block = compressed_zero_byte_empty_block; |
879 | 0 | } |
880 | 0 | compressed_zero_byte_empty_block = NULL; |
881 | |
|
882 | 0 | memory_free( |
883 | 0 | zero_byte_empty_block ); |
884 | |
|
885 | 0 | zero_byte_empty_block = NULL; |
886 | 0 | } |
887 | 0 | } |
888 | 0 | write_io_handle->timestamp = time( NULL ); |
889 | | |
890 | | /* Flag that the write values were initialized |
891 | | */ |
892 | 0 | write_io_handle->values_initialized = 1; |
893 | |
|
894 | 0 | return( 1 ); |
895 | | |
896 | 0 | on_error: |
897 | 0 | if( compressed_zero_byte_empty_block != NULL ) |
898 | 0 | { |
899 | 0 | memory_free( |
900 | 0 | compressed_zero_byte_empty_block ); |
901 | 0 | } |
902 | 0 | if( zero_byte_empty_block != NULL ) |
903 | 0 | { |
904 | 0 | memory_free( |
905 | 0 | zero_byte_empty_block ); |
906 | 0 | } |
907 | 0 | return( -1 ); |
908 | 0 | } |
909 | | |
910 | | /* Initializes the write IO handle to resume writing |
911 | | * Returns 1 if successful or -1 on error |
912 | | */ |
913 | | int libewf_write_io_handle_initialize_resume( |
914 | | libewf_write_io_handle_t *write_io_handle, |
915 | | libewf_io_handle_t *io_handle, |
916 | | libbfio_pool_t *file_io_pool, |
917 | | libewf_media_values_t *media_values, |
918 | | libewf_segment_table_t *segment_table, |
919 | | libewf_read_io_handle_t *read_io_handle, |
920 | | off64_t *current_offset, |
921 | | libcerror_error_t **error ) |
922 | 0 | { |
923 | 0 | libewf_section_descriptor_t *previous_section = NULL; |
924 | 0 | libewf_section_descriptor_t *section = NULL; |
925 | 0 | libewf_segment_file_t *segment_file = NULL; |
926 | 0 | libfcache_cache_t *sections_cache = NULL; |
927 | 0 | static char *function = "libewf_write_io_handle_initialize_resume"; |
928 | 0 | size64_t segment_file_size = 0; |
929 | 0 | size64_t storage_media_size = 0; |
930 | 0 | size64_t unusable_storage_media_size = 0; |
931 | 0 | off64_t resume_segment_file_offset = 0; |
932 | 0 | uint64_t unusable_number_of_chunks = 0; |
933 | 0 | uint32_t number_of_segments = 0; |
934 | 0 | uint32_t segment_number = 0; |
935 | 0 | uint8_t backtrack_to_last_chunks_section = 0; |
936 | 0 | uint8_t reopen_segment_file = 0; |
937 | 0 | int file_io_pool_entry = 0; |
938 | 0 | int number_of_sections = 0; |
939 | 0 | int previous_section_index = 0; |
940 | 0 | int result = 0; |
941 | 0 | int section_index = 0; |
942 | 0 | int supported_section = 0; |
943 | |
|
944 | 0 | if( write_io_handle == NULL ) |
945 | 0 | { |
946 | 0 | libcerror_error_set( |
947 | 0 | error, |
948 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
949 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
950 | 0 | "%s: invalid write IO handle.", |
951 | 0 | function ); |
952 | |
|
953 | 0 | return( -1 ); |
954 | 0 | } |
955 | 0 | if( io_handle == NULL ) |
956 | 0 | { |
957 | 0 | libcerror_error_set( |
958 | 0 | error, |
959 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
960 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
961 | 0 | "%s: invalid IO handle.", |
962 | 0 | function ); |
963 | |
|
964 | 0 | return( -1 ); |
965 | 0 | } |
966 | 0 | if( media_values == NULL ) |
967 | 0 | { |
968 | 0 | libcerror_error_set( |
969 | 0 | error, |
970 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
971 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
972 | 0 | "%s: invalid media values.", |
973 | 0 | function ); |
974 | |
|
975 | 0 | return( -1 ); |
976 | 0 | } |
977 | 0 | if( media_values->chunk_size == 0 ) |
978 | 0 | { |
979 | 0 | libcerror_error_set( |
980 | 0 | error, |
981 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
982 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
983 | 0 | "%s: invalid media values - missing chunk size.", |
984 | 0 | function ); |
985 | |
|
986 | 0 | return( -1 ); |
987 | 0 | } |
988 | 0 | if( read_io_handle == NULL ) |
989 | 0 | { |
990 | 0 | libcerror_error_set( |
991 | 0 | error, |
992 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
993 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
994 | 0 | "%s: invalid read IO handle.", |
995 | 0 | function ); |
996 | |
|
997 | 0 | return( -1 ); |
998 | 0 | } |
999 | 0 | if( current_offset == NULL ) |
1000 | 0 | { |
1001 | 0 | libcerror_error_set( |
1002 | 0 | error, |
1003 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1004 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1005 | 0 | "%s: invalid current offset.", |
1006 | 0 | function ); |
1007 | |
|
1008 | 0 | return( -1 ); |
1009 | 0 | } |
1010 | 0 | if( libfcache_cache_initialize( |
1011 | 0 | §ions_cache, |
1012 | 0 | LIBEWF_MAXIMUM_CACHE_ENTRIES_SECTIONS, |
1013 | 0 | error ) != 1 ) |
1014 | 0 | { |
1015 | 0 | libcerror_error_set( |
1016 | 0 | error, |
1017 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1018 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
1019 | 0 | "%s: unable to create sections cache.", |
1020 | 0 | function ); |
1021 | |
|
1022 | 0 | goto on_error; |
1023 | 0 | } |
1024 | 0 | if( libewf_segment_table_get_number_of_segments( |
1025 | 0 | segment_table, |
1026 | 0 | &number_of_segments, |
1027 | 0 | error ) != 1 ) |
1028 | 0 | { |
1029 | 0 | libcerror_error_set( |
1030 | 0 | error, |
1031 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1032 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1033 | 0 | "%s: unable to retrieve number of segments.", |
1034 | 0 | function ); |
1035 | |
|
1036 | 0 | goto on_error; |
1037 | 0 | } |
1038 | 0 | if( number_of_segments == 0 ) |
1039 | 0 | { |
1040 | 0 | libcerror_error_set( |
1041 | 0 | error, |
1042 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1043 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
1044 | 0 | "%s: invalid number of segments value out of bounds.", |
1045 | 0 | function ); |
1046 | |
|
1047 | 0 | goto on_error; |
1048 | 0 | } |
1049 | 0 | segment_number = number_of_segments - 1; |
1050 | |
|
1051 | 0 | if( libewf_segment_table_get_segment_file_by_index( |
1052 | 0 | segment_table, |
1053 | 0 | segment_number, |
1054 | 0 | file_io_pool, |
1055 | 0 | &segment_file, |
1056 | 0 | error ) != 1 ) |
1057 | 0 | { |
1058 | 0 | libcerror_error_set( |
1059 | 0 | error, |
1060 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1061 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1062 | 0 | "%s: unable to retrieve segment file: %" PRIu32 " from segment table.", |
1063 | 0 | function, |
1064 | 0 | segment_number ); |
1065 | |
|
1066 | 0 | goto on_error; |
1067 | 0 | } |
1068 | 0 | if( libewf_segment_file_get_number_of_sections( |
1069 | 0 | segment_file, |
1070 | 0 | &number_of_sections, |
1071 | 0 | error ) != 1 ) |
1072 | 0 | { |
1073 | 0 | libcerror_error_set( |
1074 | 0 | error, |
1075 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1076 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1077 | 0 | "%s: unable to retrieve the number of sections from segment file: %" PRIu32 ".", |
1078 | 0 | function, |
1079 | 0 | segment_number ); |
1080 | |
|
1081 | 0 | goto on_error; |
1082 | 0 | } |
1083 | 0 | if( number_of_sections == 0 ) |
1084 | 0 | { |
1085 | 0 | libcerror_error_set( |
1086 | 0 | error, |
1087 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1088 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
1089 | 0 | "%s: invalid number of sections value out of bounds.", |
1090 | 0 | function ); |
1091 | |
|
1092 | 0 | goto on_error; |
1093 | 0 | } |
1094 | 0 | section_index = number_of_sections - 1; |
1095 | | |
1096 | 0 | if( libewf_segment_file_get_section_by_index( |
1097 | 0 | segment_file, |
1098 | 0 | section_index, |
1099 | 0 | file_io_pool, |
1100 | 0 | sections_cache, |
1101 | 0 | §ion, |
1102 | 0 | error ) != 1 ) |
1103 | 0 | { |
1104 | 0 | libcerror_error_set( |
1105 | 0 | error, |
1106 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1107 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1108 | 0 | "%s: unable to retrieve section: %d from segment file: %" PRIu32 ".", |
1109 | 0 | function, |
1110 | 0 | section_index, |
1111 | 0 | segment_number ); |
1112 | |
|
1113 | 0 | goto on_error; |
1114 | 0 | } |
1115 | 0 | if( section == NULL ) |
1116 | 0 | { |
1117 | 0 | libcerror_error_set( |
1118 | 0 | error, |
1119 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1120 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
1121 | 0 | "%s: missing section: %d.", |
1122 | 0 | function, |
1123 | 0 | section_index ); |
1124 | |
|
1125 | 0 | goto on_error; |
1126 | 0 | } |
1127 | | #if defined( HAVE_DEBUG_OUTPUT ) |
1128 | | if( libcnotify_verbose != 0 ) |
1129 | | { |
1130 | | if( section->type_string_length > 0 ) |
1131 | | { |
1132 | | libcnotify_printf( |
1133 | | "%s: last read section: %s.\n", |
1134 | | function, |
1135 | | (char *) section->type_string ); |
1136 | | } |
1137 | | else if( section->type != 0 ) |
1138 | | { |
1139 | | libcnotify_printf( |
1140 | | "%s: last read section: 0x%08" PRIx32 ".\n", |
1141 | | function, |
1142 | | section->type ); |
1143 | | } |
1144 | | } |
1145 | | #endif |
1146 | 0 | if( section->type_string_length == 4 ) |
1147 | 0 | { |
1148 | 0 | if( memory_compare( |
1149 | 0 | (void *) section->type_string, |
1150 | 0 | (void *) "data", |
1151 | 0 | 4 ) == 0 ) |
1152 | 0 | { |
1153 | 0 | if( segment_number == 0 ) |
1154 | 0 | { |
1155 | 0 | backtrack_to_last_chunks_section = 1; |
1156 | 0 | } |
1157 | 0 | } |
1158 | 0 | else if( memory_compare( |
1159 | 0 | (void *) section->type_string, |
1160 | 0 | (void *) "hash", |
1161 | 0 | 4 ) == 0 ) |
1162 | 0 | { |
1163 | 0 | backtrack_to_last_chunks_section = 1; |
1164 | 0 | } |
1165 | 0 | } |
1166 | 0 | else if( section->type_string_length == 5 ) |
1167 | 0 | { |
1168 | 0 | if( memory_compare( |
1169 | 0 | (void *) section->type_string, |
1170 | 0 | (void *) "xhash", |
1171 | 0 | 6 ) == 0 ) |
1172 | 0 | { |
1173 | 0 | backtrack_to_last_chunks_section = 1; |
1174 | 0 | } |
1175 | 0 | } |
1176 | 0 | else if( section->type_string_length == 5 ) |
1177 | 0 | { |
1178 | 0 | if( memory_compare( |
1179 | 0 | (void *) section->type_string, |
1180 | 0 | (void *) "digest", |
1181 | 0 | 7 ) == 0 ) |
1182 | 0 | { |
1183 | 0 | backtrack_to_last_chunks_section = 1; |
1184 | 0 | } |
1185 | 0 | else if( memory_compare( |
1186 | 0 | (void *) section->type_string, |
1187 | 0 | (void *) "error2", |
1188 | 0 | 7 ) == 0 ) |
1189 | 0 | { |
1190 | 0 | backtrack_to_last_chunks_section = 1; |
1191 | 0 | } |
1192 | 0 | } |
1193 | 0 | else if( section->type_string_length == 7 ) |
1194 | 0 | { |
1195 | 0 | if( memory_compare( |
1196 | 0 | (void *) section->type_string, |
1197 | 0 | (void *) "session", |
1198 | 0 | 8 ) == 0 ) |
1199 | 0 | { |
1200 | 0 | backtrack_to_last_chunks_section = 1; |
1201 | 0 | } |
1202 | 0 | } |
1203 | 0 | if( backtrack_to_last_chunks_section != 0 ) |
1204 | 0 | { |
1205 | | #if defined( HAVE_DEBUG_OUTPUT ) |
1206 | | if( libcnotify_verbose != 0 ) |
1207 | | { |
1208 | | libcnotify_printf( |
1209 | | "%s: backtracking to last chunks section.\n", |
1210 | | function ); |
1211 | | } |
1212 | | #endif |
1213 | 0 | while( section_index >= 0 ) |
1214 | 0 | { |
1215 | 0 | if( libfdata_list_get_element_value_by_index( |
1216 | 0 | segment_file->sections_list, |
1217 | 0 | (intptr_t *) file_io_pool, |
1218 | 0 | (libfdata_cache_t *) sections_cache, |
1219 | 0 | section_index, |
1220 | 0 | (intptr_t **) §ion, |
1221 | 0 | 0, |
1222 | 0 | error ) != 1 ) |
1223 | 0 | { |
1224 | 0 | libcerror_error_set( |
1225 | 0 | error, |
1226 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1227 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1228 | 0 | "%s: unable to retrieve section: %d from sections list.", |
1229 | 0 | function, |
1230 | 0 | section_index ); |
1231 | |
|
1232 | 0 | goto on_error; |
1233 | 0 | } |
1234 | 0 | if( section == NULL ) |
1235 | 0 | { |
1236 | 0 | libcerror_error_set( |
1237 | 0 | error, |
1238 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1239 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
1240 | 0 | "%s: missing section: %d.", |
1241 | 0 | function, |
1242 | 0 | section_index ); |
1243 | |
|
1244 | 0 | goto on_error; |
1245 | 0 | } |
1246 | 0 | if( memory_compare( |
1247 | 0 | (void *) section->type_string, |
1248 | 0 | (void *) "table", |
1249 | 0 | 5 ) == 0 ) |
1250 | 0 | { |
1251 | 0 | break; |
1252 | 0 | } |
1253 | 0 | section_index--; |
1254 | 0 | } |
1255 | 0 | if( section_index < 0 ) |
1256 | 0 | { |
1257 | 0 | libcerror_error_set( |
1258 | 0 | error, |
1259 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1260 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
1261 | 0 | "%s: missing last chunks section.", |
1262 | 0 | function ); |
1263 | |
|
1264 | 0 | goto on_error; |
1265 | 0 | } |
1266 | | #if defined( HAVE_DEBUG_OUTPUT ) |
1267 | | if( libcnotify_verbose != 0 ) |
1268 | | { |
1269 | | if( section->type_string_length > 0 ) |
1270 | | { |
1271 | | libcnotify_printf( |
1272 | | "%s: last chunks section: %s.\n", |
1273 | | function, |
1274 | | (char *) section->type_string ); |
1275 | | } |
1276 | | else if( section->type != 0 ) |
1277 | | { |
1278 | | libcnotify_printf( |
1279 | | "%s: last chunks section: 0x%08" PRIx32 ".\n", |
1280 | | function, |
1281 | | section->type ); |
1282 | | } |
1283 | | } |
1284 | | #endif /* defined( HAVE_DEBUG_OUTPUT ) */ |
1285 | 0 | } |
1286 | 0 | if( section->type_string_length == 4 ) |
1287 | 0 | { |
1288 | 0 | if( memory_compare( |
1289 | 0 | (void *) section->type_string, |
1290 | 0 | (void *) "data", |
1291 | 0 | 4 ) == 0 ) |
1292 | 0 | { |
1293 | | /* The sections containing the chunks and offsets were read entirely |
1294 | | * in the previous segment file |
1295 | | */ |
1296 | 0 | supported_section = 1; |
1297 | 0 | reopen_segment_file = 1; |
1298 | 0 | resume_segment_file_offset = section->end_offset; |
1299 | 0 | write_io_handle->create_chunks_section = 1; |
1300 | 0 | } |
1301 | 0 | else if( memory_compare( |
1302 | 0 | (void *) section->type_string, |
1303 | 0 | (void *) "done", |
1304 | 0 | 4 ) == 0 ) |
1305 | 0 | { |
1306 | | /* The segment file was read entirely |
1307 | | */ |
1308 | 0 | supported_section = 1; |
1309 | 0 | } |
1310 | 0 | else if( memory_compare( |
1311 | 0 | (void *) section->type_string, |
1312 | 0 | (void *) "next", |
1313 | 0 | 4 ) == 0 ) |
1314 | 0 | { |
1315 | | /* The segment file was read entirely |
1316 | | */ |
1317 | 0 | supported_section = 1; |
1318 | 0 | } |
1319 | 0 | } |
1320 | 0 | else if( section->type_string_length == 5 ) |
1321 | 0 | { |
1322 | 0 | if( memory_compare( |
1323 | 0 | (void *) section->type_string, |
1324 | 0 | (void *) "table", |
1325 | 0 | 6 ) == 0 ) |
1326 | 0 | { |
1327 | | /* Determine if the table section also contains chunks |
1328 | | */ |
1329 | 0 | previous_section_index = section_index - 1; |
1330 | |
|
1331 | 0 | if( libfdata_list_get_element_value_by_index( |
1332 | 0 | segment_file->sections_list, |
1333 | 0 | (intptr_t *) file_io_pool, |
1334 | 0 | (libfdata_cache_t *) sections_cache, |
1335 | 0 | previous_section_index, |
1336 | 0 | (intptr_t **) &previous_section, |
1337 | 0 | 0, |
1338 | 0 | error ) != 1 ) |
1339 | 0 | { |
1340 | 0 | libcerror_error_set( |
1341 | 0 | error, |
1342 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1343 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1344 | 0 | "%s: unable to retrieve previous section: %d from sections list.", |
1345 | 0 | function, |
1346 | 0 | previous_section_index ); |
1347 | |
|
1348 | 0 | goto on_error; |
1349 | 0 | } |
1350 | 0 | if( previous_section == NULL ) |
1351 | 0 | { |
1352 | 0 | libcerror_error_set( |
1353 | 0 | error, |
1354 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1355 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
1356 | 0 | "%s: missing previous section: %d.", |
1357 | 0 | function, |
1358 | 0 | previous_section_index ); |
1359 | |
|
1360 | 0 | goto on_error; |
1361 | 0 | } |
1362 | 0 | if( memory_compare( |
1363 | 0 | (void *) previous_section->type_string, |
1364 | 0 | (void *) "sectors", |
1365 | 0 | 8 ) != 0 ) |
1366 | 0 | { |
1367 | 0 | libcerror_error_set( |
1368 | 0 | error, |
1369 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1370 | 0 | LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE, |
1371 | 0 | "%s: unsupported previous section: %s.", |
1372 | 0 | function, |
1373 | 0 | previous_section->type_string ); |
1374 | |
|
1375 | 0 | goto on_error; |
1376 | 0 | } |
1377 | | /* The sections containing the chunks and offsets were read partially |
1378 | | */ |
1379 | 0 | section_index = previous_section_index; |
1380 | 0 | section = previous_section; |
1381 | |
|
1382 | 0 | supported_section = 1; |
1383 | 0 | reopen_segment_file = 1; |
1384 | 0 | resume_segment_file_offset = section->start_offset; |
1385 | 0 | write_io_handle->create_chunks_section = 1; |
1386 | 0 | } |
1387 | 0 | } |
1388 | 0 | else if( section->type_string_length == 6 ) |
1389 | 0 | { |
1390 | 0 | if( memory_compare( |
1391 | 0 | (void *) section->type_string, |
1392 | 0 | (void *) "table2", |
1393 | 0 | 6 ) == 0 ) |
1394 | 0 | { |
1395 | | /* Determine if the table section also contains chunks |
1396 | | */ |
1397 | 0 | previous_section_index = section_index - 1; |
1398 | |
|
1399 | 0 | if( libfdata_list_get_element_value_by_index( |
1400 | 0 | segment_file->sections_list, |
1401 | 0 | (intptr_t *) file_io_pool, |
1402 | 0 | (libfdata_cache_t *) sections_cache, |
1403 | 0 | previous_section_index, |
1404 | 0 | (intptr_t **) &previous_section, |
1405 | 0 | 0, |
1406 | 0 | error ) != 1 ) |
1407 | 0 | { |
1408 | 0 | libcerror_error_set( |
1409 | 0 | error, |
1410 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1411 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1412 | 0 | "%s: unable to retrieve previous section: %d from sections list.", |
1413 | 0 | function, |
1414 | 0 | previous_section_index ); |
1415 | |
|
1416 | 0 | goto on_error; |
1417 | 0 | } |
1418 | 0 | if( previous_section == NULL ) |
1419 | 0 | { |
1420 | 0 | libcerror_error_set( |
1421 | 0 | error, |
1422 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1423 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
1424 | 0 | "%s: missing previous section: %d.", |
1425 | 0 | function, |
1426 | 0 | previous_section_index ); |
1427 | |
|
1428 | 0 | goto on_error; |
1429 | 0 | } |
1430 | 0 | if( memory_compare( |
1431 | 0 | (void *) previous_section->type_string, |
1432 | 0 | (void *) "table", |
1433 | 0 | 6 ) != 0 ) |
1434 | 0 | { |
1435 | 0 | libcerror_error_set( |
1436 | 0 | error, |
1437 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1438 | 0 | LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE, |
1439 | 0 | "%s: unsupported previous section: %s.", |
1440 | 0 | function, |
1441 | 0 | previous_section->type_string ); |
1442 | |
|
1443 | 0 | goto on_error; |
1444 | 0 | } |
1445 | 0 | previous_section_index -= 1; |
1446 | |
|
1447 | 0 | if( libfdata_list_get_element_value_by_index( |
1448 | 0 | segment_file->sections_list, |
1449 | 0 | (intptr_t *) file_io_pool, |
1450 | 0 | (libfdata_cache_t *) sections_cache, |
1451 | 0 | previous_section_index, |
1452 | 0 | (intptr_t **) &previous_section, |
1453 | 0 | 0, |
1454 | 0 | error ) != 1 ) |
1455 | 0 | { |
1456 | 0 | libcerror_error_set( |
1457 | 0 | error, |
1458 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1459 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1460 | 0 | "%s: unable to retrieve previous section: %d from sections list.", |
1461 | 0 | function, |
1462 | 0 | previous_section_index ); |
1463 | |
|
1464 | 0 | goto on_error; |
1465 | 0 | } |
1466 | 0 | if( previous_section == NULL ) |
1467 | 0 | { |
1468 | 0 | libcerror_error_set( |
1469 | 0 | error, |
1470 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1471 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
1472 | 0 | "%s: missing previous section: %d.", |
1473 | 0 | function, |
1474 | 0 | previous_section_index ); |
1475 | |
|
1476 | 0 | goto on_error; |
1477 | 0 | } |
1478 | 0 | if( memory_compare( |
1479 | 0 | (void *) previous_section->type_string, |
1480 | 0 | (void *) "sectors", |
1481 | 0 | 8 ) != 0 ) |
1482 | 0 | { |
1483 | 0 | libcerror_error_set( |
1484 | 0 | error, |
1485 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1486 | 0 | LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE, |
1487 | 0 | "%s: unsupported second previous section: %s.", |
1488 | 0 | function, |
1489 | 0 | previous_section->type_string ); |
1490 | |
|
1491 | 0 | goto on_error; |
1492 | 0 | } |
1493 | | /* The sections containing the chunks and offsets were read partially |
1494 | | */ |
1495 | 0 | section_index = previous_section_index; |
1496 | 0 | section = previous_section; |
1497 | |
|
1498 | 0 | supported_section = 1; |
1499 | 0 | reopen_segment_file = 1; |
1500 | 0 | resume_segment_file_offset = section->start_offset; |
1501 | 0 | write_io_handle->create_chunks_section = 1; |
1502 | 0 | } |
1503 | 0 | } |
1504 | 0 | else if( section->type_string_length == 7 ) |
1505 | 0 | { |
1506 | 0 | if( memory_compare( |
1507 | 0 | (void *) section->type_string, |
1508 | 0 | (void *) "sectors", |
1509 | 0 | 7 ) == 0 ) |
1510 | 0 | { |
1511 | | /* Uncertain if the sections containing the chunks was read entirely |
1512 | | * the offsets to the chunks are missing so the chunks need to be rewritten anyway |
1513 | | */ |
1514 | 0 | supported_section = 1; |
1515 | 0 | reopen_segment_file = 1; |
1516 | 0 | resume_segment_file_offset = section->start_offset; |
1517 | 0 | write_io_handle->create_chunks_section = 1; |
1518 | 0 | } |
1519 | 0 | } |
1520 | 0 | if( supported_section == 0 ) |
1521 | 0 | { |
1522 | 0 | libcerror_error_set( |
1523 | 0 | error, |
1524 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1525 | 0 | LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE, |
1526 | 0 | "%s: write resume from section: %s not supported.", |
1527 | 0 | function, |
1528 | 0 | (char *) section->type_string ); |
1529 | |
|
1530 | 0 | goto on_error; |
1531 | 0 | } |
1532 | | /* Set offset into media data |
1533 | | */ |
1534 | 0 | *current_offset = (off64_t) read_io_handle->storage_media_size_read; |
1535 | | |
1536 | | /* Set write IO handle values |
1537 | | */ |
1538 | 0 | write_io_handle->input_write_count = (ssize64_t) read_io_handle->storage_media_size_read; |
1539 | 0 | write_io_handle->number_of_chunks_written = read_io_handle->number_of_chunks_read; |
1540 | 0 | write_io_handle->current_segment_number = segment_number; |
1541 | 0 | write_io_handle->write_finalized = 0; |
1542 | |
|
1543 | 0 | if( reopen_segment_file == 0 ) |
1544 | 0 | { |
1545 | 0 | write_io_handle->current_segment_number += 1; |
1546 | 0 | } |
1547 | 0 | else |
1548 | 0 | { |
1549 | 0 | if( libewf_segment_table_get_segment_by_index( |
1550 | 0 | segment_table, |
1551 | 0 | segment_number, |
1552 | 0 | &file_io_pool_entry, |
1553 | 0 | &segment_file_size, |
1554 | 0 | error ) != 1 ) |
1555 | 0 | { |
1556 | 0 | libcerror_error_set( |
1557 | 0 | error, |
1558 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1559 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1560 | 0 | "%s: unable to retrieve segment: %" PRIu32 " from segment table.", |
1561 | 0 | function, |
1562 | 0 | segment_number ); |
1563 | |
|
1564 | 0 | goto on_error; |
1565 | 0 | } |
1566 | 0 | result = libewf_segment_table_get_segment_storage_media_size_by_index( |
1567 | 0 | segment_table, |
1568 | 0 | segment_number, |
1569 | 0 | &storage_media_size, |
1570 | 0 | error ); |
1571 | |
|
1572 | 0 | if( result == -1 ) |
1573 | 0 | { |
1574 | 0 | libcerror_error_set( |
1575 | 0 | error, |
1576 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1577 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1578 | 0 | "%s: unable to retrieve segment: %" PRIu32 " storage media size from segment table.", |
1579 | 0 | function, |
1580 | 0 | segment_number ); |
1581 | |
|
1582 | 0 | goto on_error; |
1583 | 0 | } |
1584 | 0 | unusable_storage_media_size = segment_file->storage_media_size; |
1585 | 0 | unusable_number_of_chunks = segment_file->number_of_chunks; |
1586 | |
|
1587 | 0 | if( libewf_segment_file_reopen( |
1588 | 0 | segment_file, |
1589 | 0 | section_index - 1, |
1590 | 0 | file_io_pool, |
1591 | 0 | file_io_pool_entry, |
1592 | 0 | sections_cache, |
1593 | 0 | error ) != 1 ) |
1594 | 0 | { |
1595 | 0 | libcerror_error_set( |
1596 | 0 | error, |
1597 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
1598 | 0 | LIBCERROR_IO_ERROR_OPEN_FAILED, |
1599 | 0 | "%s: unable to reopen segment file: %" PRIu32 " for resume write.", |
1600 | 0 | function, |
1601 | 0 | segment_number ); |
1602 | |
|
1603 | 0 | goto on_error; |
1604 | 0 | } |
1605 | | /* Set segment file to the correct offset if write is resumed |
1606 | | */ |
1607 | 0 | if( libbfio_pool_seek_offset( |
1608 | 0 | file_io_pool, |
1609 | 0 | file_io_pool_entry, |
1610 | 0 | resume_segment_file_offset, |
1611 | 0 | SEEK_SET, |
1612 | 0 | error ) == -1 ) |
1613 | 0 | { |
1614 | 0 | libcerror_error_set( |
1615 | 0 | error, |
1616 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
1617 | 0 | LIBCERROR_IO_ERROR_OPEN_FAILED, |
1618 | 0 | "%s: unable to seek resume segment file offset: %" PRIi64 " (0x%08" PRIx64 ") in segment file: %" PRIu32 ".", |
1619 | 0 | function, |
1620 | 0 | resume_segment_file_offset, |
1621 | 0 | resume_segment_file_offset, |
1622 | 0 | segment_number ); |
1623 | |
|
1624 | 0 | goto on_error; |
1625 | 0 | } |
1626 | 0 | if( segment_file->storage_media_size > unusable_storage_media_size ) |
1627 | 0 | { |
1628 | 0 | libcerror_error_set( |
1629 | 0 | error, |
1630 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1631 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
1632 | 0 | "%s: segment file storage media size cannot be greater than unusable storage media size.", |
1633 | 0 | function ); |
1634 | |
|
1635 | 0 | goto on_error; |
1636 | 0 | } |
1637 | 0 | unusable_storage_media_size -= segment_file->storage_media_size; |
1638 | |
|
1639 | 0 | if( segment_file->number_of_chunks > unusable_number_of_chunks ) |
1640 | 0 | { |
1641 | 0 | libcerror_error_set( |
1642 | 0 | error, |
1643 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1644 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
1645 | 0 | "%s: segment file number of chunks cannot be greater than unusable number of chunks.", |
1646 | 0 | function ); |
1647 | |
|
1648 | 0 | goto on_error; |
1649 | 0 | } |
1650 | 0 | unusable_number_of_chunks -= segment_file->number_of_chunks; |
1651 | |
|
1652 | 0 | if( (size64_t) segment_file->current_offset > segment_table->maximum_segment_size ) |
1653 | 0 | { |
1654 | 0 | libcerror_error_set( |
1655 | 0 | error, |
1656 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1657 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
1658 | 0 | "%s: segment file current offset cannot be greater than maximum segment file size.", |
1659 | 0 | function ); |
1660 | |
|
1661 | 0 | goto on_error; |
1662 | 0 | } |
1663 | 0 | if( result != 0 ) |
1664 | 0 | { |
1665 | | /* The offset into media data need to be corrected if the read of the segment file was considered successful |
1666 | | */ |
1667 | 0 | *current_offset -= unusable_storage_media_size; |
1668 | | |
1669 | | /* The write IO handle values need to be corrected if the read of the segment file was considered successful |
1670 | | */ |
1671 | 0 | write_io_handle->input_write_count -= unusable_storage_media_size; |
1672 | 0 | write_io_handle->number_of_chunks_written -= unusable_number_of_chunks; |
1673 | 0 | write_io_handle->remaining_segment_file_size = segment_table->maximum_segment_size - segment_file->current_offset; |
1674 | 0 | write_io_handle->number_of_chunks_written_to_segment_file = segment_file->number_of_chunks; |
1675 | |
|
1676 | 0 | if( write_io_handle->input_write_count > 0 ) |
1677 | 0 | { |
1678 | 0 | write_io_handle->current_segment_file = segment_file; |
1679 | 0 | } |
1680 | 0 | } |
1681 | 0 | } |
1682 | | #if defined( HAVE_DEBUG_OUTPUT ) |
1683 | | if( libcnotify_verbose != 0 ) |
1684 | | { |
1685 | | libcnotify_printf( |
1686 | | "%s: resuming write at offset: %" PRIi64 " (0x%08" PRIx64 ") with chunk: %" PRIu64 ".\n", |
1687 | | function, |
1688 | | write_io_handle->input_write_count, |
1689 | | write_io_handle->input_write_count, |
1690 | | write_io_handle->number_of_chunks_written ); |
1691 | | } |
1692 | | #endif |
1693 | 0 | if( libfcache_cache_free( |
1694 | 0 | §ions_cache, |
1695 | 0 | error ) != 1 ) |
1696 | 0 | { |
1697 | 0 | libcerror_error_set( |
1698 | 0 | error, |
1699 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1700 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
1701 | 0 | "%s: unable to free sections cache.", |
1702 | 0 | function ); |
1703 | |
|
1704 | 0 | goto on_error; |
1705 | 0 | } |
1706 | 0 | return( 1 ); |
1707 | | |
1708 | 0 | on_error: |
1709 | 0 | if( sections_cache != NULL ) |
1710 | 0 | { |
1711 | 0 | libfcache_cache_free( |
1712 | 0 | §ions_cache, |
1713 | 0 | NULL ); |
1714 | 0 | } |
1715 | 0 | return( -1 ); |
1716 | 0 | } |
1717 | | |
1718 | | /* Resize the table entries |
1719 | | * Returns 1 if successful or -1 on error |
1720 | | */ |
1721 | | int libewf_write_io_handle_resize_table_entries( |
1722 | | libewf_write_io_handle_t *write_io_handle, |
1723 | | uint32_t number_of_entries, |
1724 | | libcerror_error_t **error ) |
1725 | 0 | { |
1726 | 0 | static char *function = "libewf_write_io_handle_resize_table_entries"; |
1727 | 0 | void *reallocation = NULL; |
1728 | 0 | size_t table_entries_data_size = 0; |
1729 | 0 | size_t table_section_data_size = 0; |
1730 | |
|
1731 | 0 | if( write_io_handle == NULL ) |
1732 | 0 | { |
1733 | 0 | libcerror_error_set( |
1734 | 0 | error, |
1735 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1736 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1737 | 0 | "%s: invalid write IO handle.", |
1738 | 0 | function ); |
1739 | |
|
1740 | 0 | return( -1 ); |
1741 | 0 | } |
1742 | 0 | if( write_io_handle->table_entry_size == 0 ) |
1743 | 0 | { |
1744 | 0 | libcerror_error_set( |
1745 | 0 | error, |
1746 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1747 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
1748 | 0 | "%s: invalid write IO handle - missing table entry size.", |
1749 | 0 | function ); |
1750 | |
|
1751 | 0 | return( -1 ); |
1752 | 0 | } |
1753 | 0 | if( ( number_of_entries < write_io_handle->number_of_table_entries ) |
1754 | 0 | || ( (size_t) number_of_entries > ( (size_t) SSIZE_MAX / write_io_handle->table_entry_size ) ) ) |
1755 | 0 | { |
1756 | 0 | libcerror_error_set( |
1757 | 0 | error, |
1758 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1759 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS, |
1760 | 0 | "%s: invalid number of entries value out of bounds.", |
1761 | 0 | function ); |
1762 | |
|
1763 | 0 | return( -1 ); |
1764 | 0 | } |
1765 | 0 | table_entries_data_size = number_of_entries * write_io_handle->table_entry_size; |
1766 | |
|
1767 | 0 | if( table_entries_data_size > ( MEMORY_MAXIMUM_ALLOCATION_SIZE - write_io_handle->table_header_size - 16 ) ) |
1768 | 0 | { |
1769 | 0 | libcerror_error_set( |
1770 | 0 | error, |
1771 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1772 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS, |
1773 | 0 | "%s: invalid table entries data size value out of bounds.", |
1774 | 0 | function ); |
1775 | |
|
1776 | 0 | return( -1 ); |
1777 | 0 | } |
1778 | | /* Reserve space for the header, entries and footer |
1779 | | */ |
1780 | 0 | table_section_data_size = write_io_handle->table_header_size + table_entries_data_size + 16; |
1781 | |
|
1782 | 0 | reallocation = memory_reallocate( |
1783 | 0 | write_io_handle->table_section_data, |
1784 | 0 | table_section_data_size ); |
1785 | |
|
1786 | 0 | if( reallocation == NULL ) |
1787 | 0 | { |
1788 | 0 | libcerror_error_set( |
1789 | 0 | error, |
1790 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
1791 | 0 | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
1792 | 0 | "%s: unable to resize table section data.", |
1793 | 0 | function ); |
1794 | |
|
1795 | 0 | return( -1 ); |
1796 | 0 | } |
1797 | 0 | write_io_handle->table_section_data = (uint8_t *) reallocation; |
1798 | 0 | write_io_handle->table_section_data_size = table_section_data_size; |
1799 | 0 | write_io_handle->table_entries_data = &( write_io_handle->table_section_data[ write_io_handle->table_header_size ] ); |
1800 | 0 | write_io_handle->table_entries_data_size = table_entries_data_size; |
1801 | 0 | write_io_handle->number_of_table_entries = number_of_entries; |
1802 | |
|
1803 | 0 | return( 1 ); |
1804 | 0 | } |
1805 | | |
1806 | | /* Calculates an estimate of the number of chunks that fit within a segment file |
1807 | | * Returns 1 if successful or -1 on error |
1808 | | */ |
1809 | | int libewf_write_io_handle_calculate_chunks_per_segment_file( |
1810 | | libewf_write_io_handle_t *write_io_handle, |
1811 | | libewf_media_values_t *media_values, |
1812 | | uint8_t segment_file_type, |
1813 | | uint8_t format, |
1814 | | libcerror_error_t **error ) |
1815 | 0 | { |
1816 | 0 | static char *function = "libewf_write_io_handle_calculate_chunks_per_segment_file"; |
1817 | 0 | int64_t calculated_chunks_per_segment_file = 0; |
1818 | 0 | int64_t maximum_chunks_per_segment_file = 0; |
1819 | 0 | int64_t remaining_number_of_chunks = 0; |
1820 | 0 | int64_t required_chunk_sections = 0; |
1821 | |
|
1822 | 0 | if( write_io_handle == NULL ) |
1823 | 0 | { |
1824 | 0 | libcerror_error_set( |
1825 | 0 | error, |
1826 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1827 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1828 | 0 | "%s: invalid write IO handle.", |
1829 | 0 | function ); |
1830 | |
|
1831 | 0 | return( -1 ); |
1832 | 0 | } |
1833 | 0 | if( write_io_handle->maximum_chunks_per_section == 0 ) |
1834 | 0 | { |
1835 | 0 | libcerror_error_set( |
1836 | 0 | error, |
1837 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1838 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
1839 | 0 | "%s: invalid write IO handle - missing maximum chunks per section.", |
1840 | 0 | function ); |
1841 | |
|
1842 | 0 | return( -1 ); |
1843 | 0 | } |
1844 | 0 | if( media_values == NULL ) |
1845 | 0 | { |
1846 | 0 | libcerror_error_set( |
1847 | 0 | error, |
1848 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1849 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1850 | 0 | "%s: invalid media values.", |
1851 | 0 | function ); |
1852 | |
|
1853 | 0 | return( -1 ); |
1854 | 0 | } |
1855 | 0 | if( media_values->chunk_size == 0 ) |
1856 | 0 | { |
1857 | 0 | libcerror_error_set( |
1858 | 0 | error, |
1859 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1860 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
1861 | 0 | "%s: invalid media values - missing chunk size.", |
1862 | 0 | function ); |
1863 | |
|
1864 | 0 | return( -1 ); |
1865 | 0 | } |
1866 | | /* TODO check if media values -> number of chunks is in bounds */ |
1867 | | /* Calculate the maximum number of chunks within this segment file |
1868 | | */ |
1869 | 0 | maximum_chunks_per_segment_file = write_io_handle->remaining_segment_file_size; |
1870 | |
|
1871 | 0 | if( segment_file_type == LIBEWF_SEGMENT_FILE_TYPE_EWF1_SMART ) |
1872 | 0 | { |
1873 | | /* The EWF-S01 format uses compression this will add 16 bytes on average |
1874 | | */ |
1875 | 0 | maximum_chunks_per_segment_file /= media_values->chunk_size + 16; |
1876 | 0 | } |
1877 | 0 | else |
1878 | 0 | { |
1879 | 0 | maximum_chunks_per_segment_file /= media_values->chunk_size + 4; |
1880 | 0 | } |
1881 | | /* Determine the number of required chunk sections |
1882 | | */ |
1883 | 0 | required_chunk_sections = maximum_chunks_per_segment_file |
1884 | 0 | % write_io_handle->maximum_chunks_per_section; |
1885 | |
|
1886 | 0 | calculated_chunks_per_segment_file = write_io_handle->remaining_segment_file_size; |
1887 | |
|
1888 | 0 | if( segment_file_type == LIBEWF_SEGMENT_FILE_TYPE_EWF1_SMART ) |
1889 | 0 | { |
1890 | | /* Leave space for the chunk section descriptors |
1891 | | */ |
1892 | 0 | calculated_chunks_per_segment_file -= required_chunk_sections |
1893 | 0 | * sizeof( ewf_section_descriptor_v1_t ); |
1894 | | |
1895 | | /* Leave space for the table entries data |
1896 | | */ |
1897 | 0 | calculated_chunks_per_segment_file -= maximum_chunks_per_segment_file |
1898 | 0 | * sizeof( ewf_table_entry_v1_t ); |
1899 | 0 | } |
1900 | 0 | else if( format == LIBEWF_FORMAT_ENCASE1 ) |
1901 | 0 | { |
1902 | | /* Leave space for the chunk section descriptors and the offset table checksum |
1903 | | */ |
1904 | 0 | calculated_chunks_per_segment_file -= required_chunk_sections |
1905 | 0 | * ( sizeof( ewf_section_descriptor_v1_t ) + 4 ); |
1906 | | |
1907 | | /* Leave space for the table entries data |
1908 | | */ |
1909 | 0 | calculated_chunks_per_segment_file -= maximum_chunks_per_segment_file |
1910 | 0 | * sizeof( ewf_table_entry_v1_t ); |
1911 | 0 | } |
1912 | 0 | else if( ( segment_file_type == LIBEWF_SEGMENT_FILE_TYPE_EWF1 ) |
1913 | 0 | || ( segment_file_type == LIBEWF_SEGMENT_FILE_TYPE_EWF1_LOGICAL ) ) |
1914 | 0 | { |
1915 | | /* Leave space for the chunk, table and table2 section descriptors and the table and table2 offset table checksums |
1916 | | */ |
1917 | 0 | calculated_chunks_per_segment_file -= required_chunk_sections |
1918 | 0 | * ( ( 3 * sizeof( ewf_section_descriptor_v1_t ) ) + ( 2 * 4 ) ); |
1919 | | |
1920 | | /* Leave space for the table and table2 offsets |
1921 | | */ |
1922 | 0 | calculated_chunks_per_segment_file -= 2 * maximum_chunks_per_segment_file |
1923 | 0 | * sizeof( ewf_table_entry_v1_t ); |
1924 | 0 | } |
1925 | 0 | else |
1926 | 0 | { |
1927 | | /* TODO EWF2 */ |
1928 | 0 | } |
1929 | | /* Calculate the number of chunks within this segment file |
1930 | | */ |
1931 | 0 | if( segment_file_type == LIBEWF_SEGMENT_FILE_TYPE_EWF1_SMART ) |
1932 | 0 | { |
1933 | | /* The EWF-S01 format uses compression this will add 16 bytes on average |
1934 | | */ |
1935 | 0 | calculated_chunks_per_segment_file /= media_values->chunk_size + 16; |
1936 | 0 | } |
1937 | 0 | else if( ( segment_file_type == LIBEWF_SEGMENT_FILE_TYPE_EWF1 ) |
1938 | 0 | || ( segment_file_type == LIBEWF_SEGMENT_FILE_TYPE_EWF1_LOGICAL ) ) |
1939 | 0 | { |
1940 | | /* The EWF-E01 format will used 4 bytes for an uncompressed chunk |
1941 | | * when the chunk cannot be compressed |
1942 | | */ |
1943 | 0 | calculated_chunks_per_segment_file /= media_values->chunk_size + 4; |
1944 | 0 | } |
1945 | 0 | else |
1946 | 0 | { |
1947 | | /* TODO EWF2 */ |
1948 | 0 | } |
1949 | | /* If the input size is known determine the remaining number of chunks |
1950 | | */ |
1951 | 0 | if( media_values->media_size > 0 ) |
1952 | 0 | { |
1953 | 0 | remaining_number_of_chunks = (int64_t) media_values->number_of_chunks |
1954 | 0 | - (int64_t) write_io_handle->number_of_chunks_written; |
1955 | | |
1956 | | /* Check if less chunks remain than the number of chunks calculated |
1957 | | */ |
1958 | 0 | if( remaining_number_of_chunks < calculated_chunks_per_segment_file ) |
1959 | 0 | { |
1960 | 0 | calculated_chunks_per_segment_file = remaining_number_of_chunks; |
1961 | 0 | } |
1962 | 0 | } |
1963 | | /* Make sure to return the total number of chunks per segment file |
1964 | | */ |
1965 | 0 | calculated_chunks_per_segment_file += (int64_t) write_io_handle->number_of_chunks_written_to_segment_file; |
1966 | | |
1967 | | /* Fail safe segment should contain at least 1 chunk |
1968 | | */ |
1969 | 0 | if( calculated_chunks_per_segment_file <= 0 ) |
1970 | 0 | { |
1971 | 0 | calculated_chunks_per_segment_file = 1; |
1972 | 0 | } |
1973 | | /* Fail safe no more than 2^32 values are allowed |
1974 | | */ |
1975 | 0 | else if( calculated_chunks_per_segment_file > (int64_t) UINT32_MAX ) |
1976 | 0 | { |
1977 | 0 | calculated_chunks_per_segment_file = UINT32_MAX; |
1978 | 0 | } |
1979 | 0 | write_io_handle->chunks_per_segment_file = (uint64_t) calculated_chunks_per_segment_file; |
1980 | |
|
1981 | 0 | return( 1 ); |
1982 | 0 | } |
1983 | | |
1984 | | /* Calculates the number of chunks that fit within a (chunks) section |
1985 | | * Returns 1 if successful or -1 on error |
1986 | | */ |
1987 | | int libewf_write_io_handle_calculate_chunks_per_section( |
1988 | | libewf_write_io_handle_t *write_io_handle, |
1989 | | libcerror_error_t **error ) |
1990 | 0 | { |
1991 | 0 | static char *function = "libewf_write_io_handle_calculate_chunks_per_section"; |
1992 | 0 | int64_t remaining_number_of_chunks = 0; |
1993 | |
|
1994 | 0 | if( write_io_handle == NULL ) |
1995 | 0 | { |
1996 | 0 | libcerror_error_set( |
1997 | 0 | error, |
1998 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1999 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2000 | 0 | "%s: invalid write IO handle.", |
2001 | 0 | function ); |
2002 | |
|
2003 | 0 | return( -1 ); |
2004 | 0 | } |
2005 | 0 | if( write_io_handle->maximum_chunks_per_section == 0 ) |
2006 | 0 | { |
2007 | 0 | libcerror_error_set( |
2008 | 0 | error, |
2009 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2010 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
2011 | 0 | "%s: invalid write IO handle - missing maximum chunks per section.", |
2012 | 0 | function ); |
2013 | |
|
2014 | 0 | return( -1 ); |
2015 | 0 | } |
2016 | 0 | if( write_io_handle->number_of_chunks_written_to_segment_file > write_io_handle->chunks_per_segment_file ) |
2017 | 0 | { |
2018 | 0 | libcerror_error_set( |
2019 | 0 | error, |
2020 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2021 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
2022 | 0 | "%s: number of chunks written to segment exceeds number of chunks per segment file.", |
2023 | 0 | function ); |
2024 | |
|
2025 | 0 | return( -1 ); |
2026 | 0 | } |
2027 | 0 | remaining_number_of_chunks = (int64_t) write_io_handle->chunks_per_segment_file |
2028 | 0 | - (int64_t) write_io_handle->number_of_chunks_written_to_segment_file; |
2029 | |
|
2030 | 0 | if( remaining_number_of_chunks > (int64_t) write_io_handle->maximum_chunks_per_section ) |
2031 | 0 | { |
2032 | 0 | remaining_number_of_chunks = (int64_t) write_io_handle->maximum_chunks_per_section; |
2033 | 0 | } |
2034 | | /* Fail safe no more than 2^31 values are allowed |
2035 | | */ |
2036 | 0 | if( remaining_number_of_chunks > (int64_t) INT32_MAX ) |
2037 | 0 | { |
2038 | 0 | remaining_number_of_chunks = INT32_MAX; |
2039 | 0 | } |
2040 | 0 | write_io_handle->chunks_per_section = (uint32_t) remaining_number_of_chunks; |
2041 | |
|
2042 | 0 | return( 1 ); |
2043 | 0 | } |
2044 | | |
2045 | | /* Tests if the current segment file is full |
2046 | | * Returns 1 if full, 0 if not or -1 on error |
2047 | | */ |
2048 | | int libewf_write_io_handle_test_segment_file_full( |
2049 | | libewf_write_io_handle_t *write_io_handle, |
2050 | | libewf_media_values_t *media_values, |
2051 | | uint8_t segment_file_type, |
2052 | | uint8_t format, |
2053 | | libcerror_error_t **error ) |
2054 | 0 | { |
2055 | 0 | static char *function = "libewf_write_io_handle_test_segment_file_full"; |
2056 | |
|
2057 | 0 | if( write_io_handle == NULL ) |
2058 | 0 | { |
2059 | 0 | libcerror_error_set( |
2060 | 0 | error, |
2061 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2062 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2063 | 0 | "%s: invalid write IO handle.", |
2064 | 0 | function ); |
2065 | |
|
2066 | 0 | return( -1 ); |
2067 | 0 | } |
2068 | 0 | if( media_values == NULL ) |
2069 | 0 | { |
2070 | 0 | libcerror_error_set( |
2071 | 0 | error, |
2072 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2073 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2074 | 0 | "%s: invalid media values.", |
2075 | 0 | function ); |
2076 | |
|
2077 | 0 | return( -1 ); |
2078 | 0 | } |
2079 | 0 | if( media_values->chunk_size == 0 ) |
2080 | 0 | { |
2081 | 0 | libcerror_error_set( |
2082 | 0 | error, |
2083 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2084 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
2085 | 0 | "%s: invalid media values - missing chunk size.", |
2086 | 0 | function ); |
2087 | |
|
2088 | 0 | return( -1 ); |
2089 | 0 | } |
2090 | | /* Check if the maximum number of chunks has been reached |
2091 | | */ |
2092 | 0 | if( ( media_values->number_of_chunks != 0 ) |
2093 | 0 | && ( media_values->number_of_chunks == write_io_handle->number_of_chunks_written ) ) |
2094 | 0 | { |
2095 | | #if defined( HAVE_DEBUG_OUTPUT ) |
2096 | | if( libcnotify_verbose != 0 ) |
2097 | | { |
2098 | | libcnotify_printf( |
2099 | | "%s: all required chunks have been written.\n", |
2100 | | function ); |
2101 | | } |
2102 | | #endif |
2103 | 0 | return( 1 ); |
2104 | 0 | } |
2105 | | /* Check if the end of the input has been reached |
2106 | | */ |
2107 | 0 | if( ( media_values->media_size != 0 ) |
2108 | 0 | && ( write_io_handle->input_write_count >= (ssize64_t) media_values->media_size ) ) |
2109 | 0 | { |
2110 | | #if defined( HAVE_DEBUG_OUTPUT ) |
2111 | | if( libcnotify_verbose != 0 ) |
2112 | | { |
2113 | | libcnotify_printf( |
2114 | | "%s: all required data has been written.\n", |
2115 | | function ); |
2116 | | } |
2117 | | #endif |
2118 | |
|
2119 | 0 | return( 1 ); |
2120 | 0 | } |
2121 | | /* The EWF-S01 and EnCase1 format should use the pre calculated size |
2122 | | */ |
2123 | 0 | if( ( segment_file_type == LIBEWF_SEGMENT_FILE_TYPE_EWF1_SMART ) |
2124 | 0 | || ( format == LIBEWF_FORMAT_ENCASE1 ) ) |
2125 | 0 | { |
2126 | 0 | if( write_io_handle->number_of_chunks_written_to_segment_file >= write_io_handle->chunks_per_segment_file ) |
2127 | 0 | { |
2128 | | #if defined( HAVE_DEBUG_OUTPUT ) |
2129 | | if( libcnotify_verbose != 0 ) |
2130 | | { |
2131 | | libcnotify_printf( |
2132 | | "%s: no space left for additional chunk.\n", |
2133 | | function ); |
2134 | | } |
2135 | | #endif |
2136 | 0 | return( 1 ); |
2137 | 0 | } |
2138 | 0 | } |
2139 | | /* Determine if a chunk would fit in the segment file |
2140 | | */ |
2141 | 0 | else if( write_io_handle->remaining_segment_file_size < (ssize64_t) ( media_values->chunk_size + 4 ) ) |
2142 | 0 | { |
2143 | | #if defined( HAVE_DEBUG_OUTPUT ) |
2144 | | if( libcnotify_verbose != 0 ) |
2145 | | { |
2146 | | libcnotify_printf( |
2147 | | "%s: no space left for additional chunk - file size exceeded.\n", |
2148 | | function ); |
2149 | | } |
2150 | | #endif |
2151 | |
|
2152 | 0 | return( 1 ); |
2153 | 0 | } |
2154 | | #if defined( HAVE_DEBUG_OUTPUT ) |
2155 | | if( libcnotify_verbose != 0 ) |
2156 | | { |
2157 | | libcnotify_printf( |
2158 | | "%s: space left for additional chunk.\n", |
2159 | | function ); |
2160 | | } |
2161 | | #endif |
2162 | | |
2163 | 0 | return( 0 ); |
2164 | 0 | } |
2165 | | |
2166 | | /* Tests if the current chunks section is full |
2167 | | * Returns 1 if full, 0 if not or -1 on error |
2168 | | */ |
2169 | | int libewf_write_io_handle_test_chunks_section_full( |
2170 | | libewf_write_io_handle_t *write_io_handle, |
2171 | | libewf_media_values_t *media_values, |
2172 | | off64_t segment_file_offset, |
2173 | | uint8_t segment_file_type, |
2174 | | uint8_t format, |
2175 | | libcerror_error_t **error ) |
2176 | 0 | { |
2177 | 0 | static char *function = "libewf_write_io_handle_test_chunks_section_full"; |
2178 | |
|
2179 | 0 | if( write_io_handle == NULL ) |
2180 | 0 | { |
2181 | 0 | libcerror_error_set( |
2182 | 0 | error, |
2183 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2184 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2185 | 0 | "%s: invalid write IO handle.", |
2186 | 0 | function ); |
2187 | |
|
2188 | 0 | return( -1 ); |
2189 | 0 | } |
2190 | 0 | if( media_values == NULL ) |
2191 | 0 | { |
2192 | 0 | libcerror_error_set( |
2193 | 0 | error, |
2194 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2195 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2196 | 0 | "%s: invalid media values.", |
2197 | 0 | function ); |
2198 | |
|
2199 | 0 | return( -1 ); |
2200 | 0 | } |
2201 | 0 | if( media_values->chunk_size == 0 ) |
2202 | 0 | { |
2203 | 0 | libcerror_error_set( |
2204 | 0 | error, |
2205 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2206 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
2207 | 0 | "%s: invalid media values - missing chunk size.", |
2208 | 0 | function ); |
2209 | |
|
2210 | 0 | return( -1 ); |
2211 | 0 | } |
2212 | 0 | if( write_io_handle->maximum_chunks_per_section == 0 ) |
2213 | 0 | { |
2214 | 0 | libcerror_error_set( |
2215 | 0 | error, |
2216 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2217 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
2218 | 0 | "%s: invalid write IO handle - missing maximum chunks per section.", |
2219 | 0 | function ); |
2220 | |
|
2221 | 0 | return( -1 ); |
2222 | 0 | } |
2223 | 0 | if( segment_file_offset > (off64_t) INT64_MAX ) |
2224 | 0 | { |
2225 | 0 | libcerror_error_set( |
2226 | 0 | error, |
2227 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2228 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
2229 | 0 | "%s: invalid segment file offset value exceeds maximum.", |
2230 | 0 | function ); |
2231 | |
|
2232 | 0 | return( -1 ); |
2233 | 0 | } |
2234 | | /* Check if a chunks section has been opened |
2235 | | */ |
2236 | 0 | if( write_io_handle->chunks_section_offset == 0 ) |
2237 | 0 | { |
2238 | | #if defined( HAVE_DEBUG_OUTPUT ) |
2239 | | if( libcnotify_verbose != 0 ) |
2240 | | { |
2241 | | libcnotify_printf( |
2242 | | "%s: no chunks section has been created.\n", |
2243 | | function ); |
2244 | | } |
2245 | | #endif |
2246 | 0 | return( 0 ); |
2247 | 0 | } |
2248 | | /* Check if the maximum number of chunks has been reached |
2249 | | */ |
2250 | 0 | if( ( media_values->number_of_chunks != 0 ) |
2251 | 0 | && ( media_values->number_of_chunks == write_io_handle->number_of_chunks_written ) ) |
2252 | 0 | { |
2253 | | #if defined( HAVE_DEBUG_OUTPUT ) |
2254 | | if( libcnotify_verbose != 0 ) |
2255 | | { |
2256 | | libcnotify_printf( |
2257 | | "%s: all required chunks have been written.\n", |
2258 | | function ); |
2259 | | } |
2260 | | #endif |
2261 | 0 | return( 1 ); |
2262 | 0 | } |
2263 | | /* Check if the end of the input has been reached |
2264 | | */ |
2265 | 0 | if( ( media_values->media_size != 0 ) |
2266 | 0 | && ( write_io_handle->input_write_count >= (ssize64_t) media_values->media_size ) ) |
2267 | 0 | { |
2268 | | #if defined( HAVE_DEBUG_OUTPUT ) |
2269 | | if( libcnotify_verbose != 0 ) |
2270 | | { |
2271 | | libcnotify_printf( |
2272 | | "%s: all required data has been written.\n", |
2273 | | function ); |
2274 | | } |
2275 | | #endif |
2276 | 0 | return( 1 ); |
2277 | 0 | } |
2278 | 0 | if( write_io_handle->number_of_chunks_written_to_section >= write_io_handle->maximum_chunks_per_section ) |
2279 | 0 | { |
2280 | | #if defined( HAVE_DEBUG_OUTPUT ) |
2281 | | if( libcnotify_verbose != 0 ) |
2282 | | { |
2283 | | libcnotify_printf( |
2284 | | "%s: no space left for additional chunk - maximum reached.\n", |
2285 | | function ); |
2286 | | } |
2287 | | #endif |
2288 | 0 | return( 1 ); |
2289 | 0 | } |
2290 | | /* No more than ( 2^31 / 4 ) chunks are allowed |
2291 | | */ |
2292 | 0 | if( write_io_handle->number_of_chunks_written_to_section > (uint32_t) ( INT32_MAX / 4 ) ) |
2293 | 0 | { |
2294 | | #if defined( HAVE_DEBUG_OUTPUT ) |
2295 | | if( libcnotify_verbose != 0 ) |
2296 | | { |
2297 | | libcnotify_printf( |
2298 | | "%s: no space left for additional chunk - preventing chunk overflow.\n", |
2299 | | function ); |
2300 | | } |
2301 | | #endif |
2302 | 0 | return( 1 ); |
2303 | 0 | } |
2304 | | /* Prevent offset overflow |
2305 | | */ |
2306 | 0 | if( ( segment_file_offset - write_io_handle->chunks_section_offset ) > (off64_t) INT32_MAX ) |
2307 | 0 | { |
2308 | | #if defined( HAVE_DEBUG_OUTPUT ) |
2309 | | if( libcnotify_verbose != 0 ) |
2310 | | { |
2311 | | libcnotify_printf( |
2312 | | "%s: no space left for additional chunk - preventing offset overflow.\n", |
2313 | | function ); |
2314 | | } |
2315 | | #endif |
2316 | 0 | return( 1 ); |
2317 | 0 | } |
2318 | | /* The EWF-S01 and EnCase1 format do not allow for a growth of the offset table |
2319 | | */ |
2320 | 0 | if( ( segment_file_type == LIBEWF_SEGMENT_FILE_TYPE_EWF1_SMART ) |
2321 | 0 | || ( format == LIBEWF_FORMAT_ENCASE1 ) ) |
2322 | 0 | { |
2323 | 0 | if( write_io_handle->number_of_chunks_written_to_section >= write_io_handle->chunks_per_section ) |
2324 | 0 | { |
2325 | | #if defined( HAVE_DEBUG_OUTPUT ) |
2326 | | if( libcnotify_verbose != 0 ) |
2327 | | { |
2328 | | libcnotify_printf( |
2329 | | "%s: no space left for additional chunk.\n", |
2330 | | function ); |
2331 | | } |
2332 | | #endif |
2333 | 0 | return( 1 ); |
2334 | 0 | } |
2335 | 0 | } |
2336 | | /* Determine if a chunk would fit in the segment file |
2337 | | */ |
2338 | 0 | else if( write_io_handle->remaining_segment_file_size < (ssize64_t) ( media_values->chunk_size + 4 ) ) |
2339 | 0 | { |
2340 | | #if defined( HAVE_DEBUG_OUTPUT ) |
2341 | | if( libcnotify_verbose != 0 ) |
2342 | | { |
2343 | | libcnotify_printf( |
2344 | | "%s: no space left for additional chunk - file size exceeded.\n", |
2345 | | function ); |
2346 | | } |
2347 | | #endif |
2348 | 0 | return( 1 ); |
2349 | 0 | } |
2350 | | #if defined( HAVE_DEBUG_OUTPUT ) |
2351 | | if( libcnotify_verbose != 0 ) |
2352 | | { |
2353 | | libcnotify_printf( |
2354 | | "%s: space left for additional chunk.\n", |
2355 | | function ); |
2356 | | } |
2357 | | #endif |
2358 | 0 | return( 0 ); |
2359 | 0 | } |
2360 | | |
2361 | | /* Creates a new segment file and opens it for writing |
2362 | | * Returns 1 if successful or -1 on error |
2363 | | */ |
2364 | | int libewf_write_io_handle_create_segment_file( |
2365 | | libewf_io_handle_t *io_handle, |
2366 | | libbfio_pool_t *file_io_pool, |
2367 | | libewf_segment_table_t *segment_table, |
2368 | | uint8_t segment_file_type, |
2369 | | uint32_t segment_number, |
2370 | | uint32_t maximum_number_of_segments, |
2371 | | const uint8_t *set_identifier, |
2372 | | int *file_io_pool_entry, |
2373 | | libewf_segment_file_t **segment_file, |
2374 | | libcerror_error_t **error ) |
2375 | 0 | { |
2376 | 0 | libbfio_handle_t *file_io_handle = NULL; |
2377 | 0 | libewf_segment_file_t *safe_segment_file = NULL; |
2378 | 0 | system_character_t *filename = NULL; |
2379 | 0 | static char *function = "libewf_write_io_handle_create_segment_file"; |
2380 | 0 | size_t filename_size = 0; |
2381 | 0 | int bfio_access_flags = 0; |
2382 | 0 | int safe_file_io_pool_entry = 0; |
2383 | |
|
2384 | 0 | if( io_handle == NULL ) |
2385 | 0 | { |
2386 | 0 | libcerror_error_set( |
2387 | 0 | error, |
2388 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2389 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2390 | 0 | "%s: invalid IO handle.", |
2391 | 0 | function ); |
2392 | |
|
2393 | 0 | return( -1 ); |
2394 | 0 | } |
2395 | 0 | if( file_io_pool_entry == NULL ) |
2396 | 0 | { |
2397 | 0 | libcerror_error_set( |
2398 | 0 | error, |
2399 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2400 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2401 | 0 | "%s: invalid file IO pool entry.", |
2402 | 0 | function ); |
2403 | |
|
2404 | 0 | return( -1 ); |
2405 | 0 | } |
2406 | 0 | if( segment_table == NULL ) |
2407 | 0 | { |
2408 | 0 | libcerror_error_set( |
2409 | 0 | error, |
2410 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2411 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2412 | 0 | "%s: invalid segment table.", |
2413 | 0 | function ); |
2414 | |
|
2415 | 0 | return( -1 ); |
2416 | 0 | } |
2417 | 0 | if( segment_file == NULL ) |
2418 | 0 | { |
2419 | 0 | libcerror_error_set( |
2420 | 0 | error, |
2421 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2422 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2423 | 0 | "%s: invalid segment file.", |
2424 | 0 | function ); |
2425 | |
|
2426 | 0 | return( -1 ); |
2427 | 0 | } |
2428 | 0 | if( *segment_file != NULL ) |
2429 | 0 | { |
2430 | 0 | libcerror_error_set( |
2431 | 0 | error, |
2432 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2433 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
2434 | 0 | "%s: invalid segment file - value already set.", |
2435 | 0 | function ); |
2436 | |
|
2437 | 0 | return( -1 ); |
2438 | 0 | } |
2439 | 0 | if( libewf_filename_create( |
2440 | 0 | &filename, |
2441 | 0 | &filename_size, |
2442 | 0 | segment_table->basename, |
2443 | 0 | segment_table->basename_size - 1, |
2444 | 0 | segment_number + 1, |
2445 | 0 | maximum_number_of_segments, |
2446 | 0 | segment_file_type, |
2447 | 0 | io_handle->format, |
2448 | 0 | error ) != 1 ) |
2449 | 0 | { |
2450 | 0 | libcerror_error_set( |
2451 | 0 | error, |
2452 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2453 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
2454 | 0 | "%s: unable to create segment file: %" PRIu32 " filename.", |
2455 | 0 | function, |
2456 | 0 | segment_number ); |
2457 | |
|
2458 | 0 | goto on_error; |
2459 | 0 | } |
2460 | 0 | if( filename == NULL ) |
2461 | 0 | { |
2462 | 0 | libcerror_error_set( |
2463 | 0 | error, |
2464 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2465 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
2466 | 0 | "%s: missing filename.", |
2467 | 0 | function ); |
2468 | |
|
2469 | 0 | goto on_error; |
2470 | 0 | } |
2471 | | #if defined( HAVE_DEBUG_OUTPUT ) |
2472 | | if( libcnotify_verbose != 0 ) |
2473 | | { |
2474 | | libcnotify_printf( |
2475 | | "%s: creating segment file: %" PRIu32 " with filename: %" PRIs_SYSTEM ".\n", |
2476 | | function, |
2477 | | segment_number, |
2478 | | filename ); |
2479 | | } |
2480 | | #endif |
2481 | 0 | if( libbfio_file_initialize( |
2482 | 0 | &file_io_handle, |
2483 | 0 | error ) != 1 ) |
2484 | 0 | { |
2485 | 0 | libcerror_error_set( |
2486 | 0 | error, |
2487 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2488 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
2489 | 0 | "%s: unable to create file IO handle.", |
2490 | 0 | function ); |
2491 | |
|
2492 | 0 | goto on_error; |
2493 | 0 | } |
2494 | | #if defined( HAVE_WIDE_SYSTEM_CHARACTER ) |
2495 | | if( libbfio_file_set_name_wide( |
2496 | | file_io_handle, |
2497 | | filename, |
2498 | | filename_size, |
2499 | | error ) != 1 ) |
2500 | | #else |
2501 | 0 | if( libbfio_file_set_name( |
2502 | 0 | file_io_handle, |
2503 | 0 | filename, |
2504 | 0 | filename_size, |
2505 | 0 | error ) != 1 ) |
2506 | 0 | #endif |
2507 | 0 | { |
2508 | 0 | libcerror_error_set( |
2509 | 0 | error, |
2510 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2511 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2512 | 0 | "%s: unable to set filename in file IO handle.", |
2513 | 0 | function ); |
2514 | |
|
2515 | 0 | goto on_error; |
2516 | 0 | } |
2517 | 0 | memory_free( |
2518 | 0 | filename ); |
2519 | |
|
2520 | 0 | filename = NULL; |
2521 | |
|
2522 | 0 | bfio_access_flags = LIBBFIO_OPEN_WRITE_TRUNCATE; |
2523 | |
|
2524 | 0 | if( libbfio_pool_append_handle( |
2525 | 0 | file_io_pool, |
2526 | 0 | &safe_file_io_pool_entry, |
2527 | 0 | file_io_handle, |
2528 | 0 | bfio_access_flags, |
2529 | 0 | error ) != 1 ) |
2530 | 0 | { |
2531 | 0 | libcerror_error_set( |
2532 | 0 | error, |
2533 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2534 | 0 | LIBCERROR_RUNTIME_ERROR_APPEND_FAILED, |
2535 | 0 | "%s: unable to append file IO handle to pool.", |
2536 | 0 | function ); |
2537 | |
|
2538 | 0 | goto on_error; |
2539 | 0 | } |
2540 | 0 | file_io_handle = NULL; |
2541 | |
|
2542 | 0 | if( libbfio_pool_open( |
2543 | 0 | file_io_pool, |
2544 | 0 | safe_file_io_pool_entry, |
2545 | 0 | bfio_access_flags, |
2546 | 0 | error ) != 1 ) |
2547 | 0 | { |
2548 | 0 | libcerror_error_set( |
2549 | 0 | error, |
2550 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
2551 | 0 | LIBCERROR_IO_ERROR_OPEN_FAILED, |
2552 | 0 | "%s: unable to open file IO pool entry: %d.", |
2553 | 0 | function, |
2554 | 0 | safe_file_io_pool_entry ); |
2555 | |
|
2556 | 0 | goto on_error; |
2557 | 0 | } |
2558 | 0 | if( libewf_segment_file_initialize( |
2559 | 0 | &safe_segment_file, |
2560 | 0 | io_handle, |
2561 | 0 | error ) != 1 ) |
2562 | 0 | { |
2563 | 0 | libcerror_error_set( |
2564 | 0 | error, |
2565 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2566 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
2567 | 0 | "%s: unable to create segment file.", |
2568 | 0 | function ); |
2569 | |
|
2570 | 0 | goto on_error; |
2571 | 0 | } |
2572 | 0 | safe_segment_file->type = segment_file_type; |
2573 | 0 | safe_segment_file->segment_number = segment_number + 1; |
2574 | 0 | safe_segment_file->flags |= LIBEWF_SEGMENT_FILE_FLAG_WRITE_OPEN; |
2575 | |
|
2576 | 0 | if( ( segment_file_type == LIBEWF_SEGMENT_FILE_TYPE_EWF1 ) |
2577 | 0 | || ( segment_file_type == LIBEWF_SEGMENT_FILE_TYPE_EWF1_LOGICAL ) |
2578 | 0 | || ( segment_file_type == LIBEWF_SEGMENT_FILE_TYPE_EWF1_SMART ) ) |
2579 | 0 | { |
2580 | 0 | safe_segment_file->major_version = 1; |
2581 | 0 | safe_segment_file->minor_version = 0; |
2582 | 0 | safe_segment_file->compression_method = LIBEWF_COMPRESSION_METHOD_DEFLATE; |
2583 | 0 | } |
2584 | 0 | else if( ( segment_file_type == LIBEWF_SEGMENT_FILE_TYPE_EWF2 ) |
2585 | 0 | || ( segment_file_type == LIBEWF_SEGMENT_FILE_TYPE_EWF2_LOGICAL ) ) |
2586 | 0 | { |
2587 | 0 | safe_segment_file->major_version = io_handle->major_version; |
2588 | 0 | safe_segment_file->minor_version = io_handle->minor_version; |
2589 | 0 | safe_segment_file->compression_method = io_handle->compression_method; |
2590 | |
|
2591 | 0 | if( memory_copy( |
2592 | 0 | safe_segment_file->set_identifier, |
2593 | 0 | set_identifier, |
2594 | 0 | 16 ) == NULL ) |
2595 | 0 | { |
2596 | 0 | libcerror_error_set( |
2597 | 0 | error, |
2598 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
2599 | 0 | LIBCERROR_MEMORY_ERROR_COPY_FAILED, |
2600 | 0 | "%s: unable to copy set identifier.", |
2601 | 0 | function ); |
2602 | |
|
2603 | 0 | goto on_error; |
2604 | 0 | } |
2605 | 0 | } |
2606 | 0 | if( libewf_segment_table_append_segment_by_segment_file( |
2607 | 0 | segment_table, |
2608 | 0 | safe_segment_file, |
2609 | 0 | safe_file_io_pool_entry, |
2610 | 0 | 0, |
2611 | 0 | error ) != 1 ) |
2612 | 0 | { |
2613 | 0 | libcerror_error_set( |
2614 | 0 | error, |
2615 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2616 | 0 | LIBCERROR_RUNTIME_ERROR_APPEND_FAILED, |
2617 | 0 | "%s: unable to append segment: %" PRIu32 " to segment table.", |
2618 | 0 | function, |
2619 | 0 | segment_number ); |
2620 | |
|
2621 | 0 | goto on_error; |
2622 | 0 | } |
2623 | 0 | *file_io_pool_entry = safe_file_io_pool_entry; |
2624 | 0 | *segment_file = safe_segment_file; |
2625 | |
|
2626 | 0 | return( 1 ); |
2627 | | |
2628 | 0 | on_error: |
2629 | 0 | if( safe_segment_file != NULL ) |
2630 | 0 | { |
2631 | 0 | libewf_segment_file_free( |
2632 | 0 | &safe_segment_file, |
2633 | 0 | NULL ); |
2634 | 0 | } |
2635 | 0 | if( file_io_handle != NULL ) |
2636 | 0 | { |
2637 | 0 | libbfio_handle_free( |
2638 | 0 | &file_io_handle, |
2639 | 0 | NULL ); |
2640 | 0 | } |
2641 | 0 | if( filename != NULL ) |
2642 | 0 | { |
2643 | 0 | memory_free( |
2644 | 0 | filename ); |
2645 | 0 | } |
2646 | 0 | return( -1 ); |
2647 | 0 | } |
2648 | | |
2649 | | /* Generates the table entries data from the chunks list |
2650 | | * Returns 1 if successful or -1 on error |
2651 | | */ |
2652 | | int libewf_write_io_handle_generate_table_entries_data( |
2653 | | libewf_write_io_handle_t *write_io_handle, |
2654 | | uint64_t chunk_index, |
2655 | | uint8_t format_version, |
2656 | | uint8_t *table_entries_data, |
2657 | | size_t table_entries_data_size, |
2658 | | uint32_t number_of_entries, |
2659 | | off64_t base_offset, |
2660 | | libcerror_error_t **error ) |
2661 | 0 | { |
2662 | 0 | libewf_chunk_descriptor_t *chunk_descriptor = NULL; |
2663 | 0 | static char *function = "libewf_write_io_handle_generate_table_entries_data"; |
2664 | 0 | size_t data_offset = 0; |
2665 | 0 | size_t table_entry_data_size = 0; |
2666 | 0 | uint32_t table_entry_index = 0; |
2667 | |
|
2668 | 0 | if( write_io_handle == NULL ) |
2669 | 0 | { |
2670 | 0 | libcerror_error_set( |
2671 | 0 | error, |
2672 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2673 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2674 | 0 | "%s: invalid write IO handle.", |
2675 | 0 | function ); |
2676 | |
|
2677 | 0 | return( -1 ); |
2678 | 0 | } |
2679 | 0 | if( format_version == 1 ) |
2680 | 0 | { |
2681 | 0 | table_entry_data_size = sizeof( ewf_table_entry_v1_t ); |
2682 | 0 | } |
2683 | 0 | else if( format_version == 2 ) |
2684 | 0 | { |
2685 | 0 | table_entry_data_size = sizeof( ewf_table_entry_v2_t ); |
2686 | 0 | } |
2687 | 0 | else |
2688 | 0 | { |
2689 | 0 | libcerror_error_set( |
2690 | 0 | error, |
2691 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2692 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
2693 | 0 | "%s: unsupported format version.", |
2694 | 0 | function ); |
2695 | |
|
2696 | 0 | return( -1 ); |
2697 | 0 | } |
2698 | 0 | if( table_entries_data == NULL ) |
2699 | 0 | { |
2700 | 0 | libcerror_error_set( |
2701 | 0 | error, |
2702 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2703 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2704 | 0 | "%s: invalid table entries data.", |
2705 | 0 | function ); |
2706 | |
|
2707 | 0 | return( -1 ); |
2708 | 0 | } |
2709 | 0 | if( table_entries_data_size > (size_t) SSIZE_MAX ) |
2710 | 0 | { |
2711 | 0 | libcerror_error_set( |
2712 | 0 | error, |
2713 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2714 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
2715 | 0 | "%s: invalid table entries data size value exceeds maximum.", |
2716 | 0 | function ); |
2717 | |
|
2718 | 0 | return( -1 ); |
2719 | 0 | } |
2720 | 0 | if( number_of_entries > ( table_entries_data_size / table_entry_data_size ) ) |
2721 | 0 | { |
2722 | 0 | libcerror_error_set( |
2723 | 0 | error, |
2724 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2725 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
2726 | 0 | "%s: invalid table entries data size value out of bounds.", |
2727 | 0 | function ); |
2728 | |
|
2729 | 0 | return( -1 ); |
2730 | 0 | } |
2731 | 0 | for( table_entry_index = 0; |
2732 | 0 | table_entry_index < number_of_entries; |
2733 | 0 | table_entry_index++ ) |
2734 | 0 | { |
2735 | 0 | if( libcdata_array_get_entry_by_index( |
2736 | 0 | write_io_handle->chunks_section, |
2737 | 0 | table_entry_index, |
2738 | 0 | (intptr_t **) &chunk_descriptor, |
2739 | 0 | error ) != 1 ) |
2740 | 0 | { |
2741 | 0 | libcerror_error_set( |
2742 | 0 | error, |
2743 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2744 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
2745 | 0 | "%s: unable to retrieve chunk descriptor: %" PRIu32 " from array.", |
2746 | 0 | function, |
2747 | 0 | table_entry_index ); |
2748 | |
|
2749 | 0 | return( -1 ); |
2750 | 0 | } |
2751 | 0 | if( libewf_chunk_descriptor_write_data( |
2752 | 0 | chunk_descriptor, |
2753 | 0 | &( table_entries_data[ data_offset ] ), |
2754 | 0 | table_entry_data_size, |
2755 | 0 | base_offset, |
2756 | 0 | format_version, |
2757 | 0 | error ) != 1 ) |
2758 | 0 | { |
2759 | 0 | libcerror_error_set( |
2760 | 0 | error, |
2761 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
2762 | 0 | LIBCERROR_IO_ERROR_WRITE_FAILED, |
2763 | 0 | "%s: unable to write chunk descriptor: %" PRIu32 ".", |
2764 | 0 | function, |
2765 | 0 | table_entry_index ); |
2766 | |
|
2767 | 0 | return( -1 ); |
2768 | 0 | } |
2769 | 0 | data_offset += table_entry_data_size; |
2770 | |
|
2771 | | #if defined( HAVE_DEBUG_OUTPUT ) |
2772 | | if( libcnotify_verbose != 0 ) |
2773 | | { |
2774 | | libcnotify_printf( |
2775 | | "%s: table entry: %05" PRIu32 " chunk\t\t\t: %" PRIu64 "\n", |
2776 | | function, |
2777 | | table_entry_index, |
2778 | | chunk_index ); |
2779 | | |
2780 | | libcnotify_printf( |
2781 | | "%s: table entry: %05" PRIu32 " base offset\t\t: %" PRIi64 " (0x%08" PRIx64 ")\n", |
2782 | | function, |
2783 | | table_entry_index, |
2784 | | base_offset, |
2785 | | base_offset ); |
2786 | | |
2787 | | libcnotify_printf( |
2788 | | "%s: table entry: %05" PRIu32 " chunk data offset\t: %" PRIi64 " (0x%08" PRIx64 ")\n", |
2789 | | function, |
2790 | | table_entry_index, |
2791 | | chunk_descriptor->data_offset, |
2792 | | chunk_descriptor->data_offset ); |
2793 | | |
2794 | | libcnotify_printf( |
2795 | | "%s: table entry: %05" PRIu32 " chunk data size\t\t: %" PRIu32 "\n", |
2796 | | function, |
2797 | | table_entry_index, |
2798 | | chunk_descriptor->data_size ); |
2799 | | |
2800 | | libcnotify_printf( |
2801 | | "%s: table entry: %05" PRIu32 " chunk data flags:\n", |
2802 | | function, |
2803 | | table_entry_index ); |
2804 | | |
2805 | | if( ( chunk_descriptor->range_flags & LIBEWF_RANGE_FLAG_IS_COMPRESSED ) != 0 ) |
2806 | | { |
2807 | | libcnotify_printf( |
2808 | | "\tIs compressed\n" ); |
2809 | | } |
2810 | | if( ( chunk_descriptor->range_flags & LIBEWF_RANGE_FLAG_HAS_CHECKSUM ) != 0 ) |
2811 | | { |
2812 | | libcnotify_printf( |
2813 | | "\tHas checksum\n" ); |
2814 | | } |
2815 | | libcnotify_printf( |
2816 | | "\n" ); |
2817 | | } |
2818 | | chunk_index++; |
2819 | | |
2820 | | #endif /* defined( HAVE_DEBUG_OUTPUT ) */ |
2821 | 0 | } |
2822 | 0 | return( 1 ); |
2823 | 0 | } |
2824 | | |
2825 | | /* Writes the start of the chunks section |
2826 | | * Returns the number of bytes written or -1 on error |
2827 | | */ |
2828 | | ssize_t libewf_write_io_handle_write_chunks_section_start( |
2829 | | libewf_write_io_handle_t *write_io_handle, |
2830 | | libewf_io_handle_t *io_handle, |
2831 | | libbfio_pool_t *file_io_pool, |
2832 | | int file_io_pool_entry, |
2833 | | libewf_segment_file_t *segment_file, |
2834 | | libcerror_error_t **error ) |
2835 | 0 | { |
2836 | 0 | static char *function = "libewf_write_io_handle_write_chunks_section_start"; |
2837 | 0 | ssize_t write_count = 0; |
2838 | |
|
2839 | 0 | if( write_io_handle == NULL ) |
2840 | 0 | { |
2841 | 0 | libcerror_error_set( |
2842 | 0 | error, |
2843 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2844 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2845 | 0 | "%s: invalid write IO handle.", |
2846 | 0 | function ); |
2847 | |
|
2848 | 0 | return( -1 ); |
2849 | 0 | } |
2850 | 0 | if( io_handle == NULL ) |
2851 | 0 | { |
2852 | 0 | libcerror_error_set( |
2853 | 0 | error, |
2854 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2855 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2856 | 0 | "%s: invalid IO handle.", |
2857 | 0 | function ); |
2858 | |
|
2859 | 0 | return( -1 ); |
2860 | 0 | } |
2861 | 0 | if( segment_file == NULL ) |
2862 | 0 | { |
2863 | 0 | libcerror_error_set( |
2864 | 0 | error, |
2865 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2866 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2867 | 0 | "%s: invalid segment file.", |
2868 | 0 | function ); |
2869 | |
|
2870 | 0 | return( -1 ); |
2871 | 0 | } |
2872 | 0 | if( ( io_handle->segment_file_type == LIBEWF_SEGMENT_FILE_TYPE_EWF1 ) |
2873 | 0 | || ( io_handle->segment_file_type == LIBEWF_SEGMENT_FILE_TYPE_EWF1_LOGICAL ) |
2874 | 0 | || ( io_handle->segment_file_type == LIBEWF_SEGMENT_FILE_TYPE_EWF1_SMART ) ) |
2875 | 0 | { |
2876 | 0 | if( write_io_handle->number_of_table_entries < write_io_handle->chunks_per_section ) |
2877 | 0 | { |
2878 | 0 | if( libewf_write_io_handle_resize_table_entries( |
2879 | 0 | write_io_handle, |
2880 | 0 | write_io_handle->chunks_per_section, |
2881 | 0 | error ) != 1 ) |
2882 | 0 | { |
2883 | 0 | libcerror_error_set( |
2884 | 0 | error, |
2885 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
2886 | 0 | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
2887 | 0 | "%s: unable to resize table entries.", |
2888 | 0 | function ); |
2889 | |
|
2890 | 0 | return( -1 ); |
2891 | 0 | } |
2892 | 0 | } |
2893 | 0 | if( memory_set( |
2894 | 0 | write_io_handle->table_section_data, |
2895 | 0 | 0, |
2896 | 0 | write_io_handle->table_section_data_size ) == NULL ) |
2897 | 0 | { |
2898 | 0 | libcerror_error_set( |
2899 | 0 | error, |
2900 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
2901 | 0 | LIBCERROR_MEMORY_ERROR_SET_FAILED, |
2902 | 0 | "%s: unable to clear table section data.", |
2903 | 0 | function ); |
2904 | |
|
2905 | 0 | return( -1 ); |
2906 | 0 | } |
2907 | | /* Write the section descriptor of the chunks section |
2908 | | */ |
2909 | 0 | write_count = libewf_segment_file_write_chunks_section_start( |
2910 | 0 | segment_file, |
2911 | 0 | file_io_pool, |
2912 | 0 | file_io_pool_entry, |
2913 | 0 | write_io_handle->table_section_data, |
2914 | 0 | write_io_handle->table_section_data_size, |
2915 | 0 | write_io_handle->table_entries_data, |
2916 | 0 | write_io_handle->table_entries_data_size, |
2917 | 0 | write_io_handle->chunks_per_section, |
2918 | 0 | write_io_handle->number_of_chunks_written, |
2919 | 0 | error ); |
2920 | |
|
2921 | 0 | if( write_count < 0 ) |
2922 | 0 | { |
2923 | 0 | libcerror_error_set( |
2924 | 0 | error, |
2925 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
2926 | 0 | LIBCERROR_IO_ERROR_WRITE_FAILED, |
2927 | 0 | "%s: unable to write chunks section start.", |
2928 | 0 | function ); |
2929 | |
|
2930 | 0 | return( -1 ); |
2931 | 0 | } |
2932 | 0 | } |
2933 | 0 | return( write_count ); |
2934 | 0 | } |
2935 | | |
2936 | | /* Writes the end of the chunks section |
2937 | | * Returns the number of bytes written or -1 on error |
2938 | | */ |
2939 | | ssize_t libewf_write_io_handle_write_chunks_section_end( |
2940 | | libewf_write_io_handle_t *write_io_handle, |
2941 | | libewf_io_handle_t *io_handle, |
2942 | | libbfio_pool_t *file_io_pool, |
2943 | | int file_io_pool_entry, |
2944 | | libewf_segment_file_t *segment_file, |
2945 | | libcerror_error_t **error ) |
2946 | 0 | { |
2947 | 0 | static char *function = "libewf_write_io_handle_write_chunks_section_end"; |
2948 | 0 | off64_t base_offset = 0; |
2949 | 0 | ssize_t write_count = 0; |
2950 | 0 | uint64_t first_chunk_index = 0; |
2951 | |
|
2952 | 0 | if( write_io_handle == NULL ) |
2953 | 0 | { |
2954 | 0 | libcerror_error_set( |
2955 | 0 | error, |
2956 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2957 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2958 | 0 | "%s: invalid write IO handle.", |
2959 | 0 | function ); |
2960 | |
|
2961 | 0 | return( -1 ); |
2962 | 0 | } |
2963 | 0 | if( io_handle == NULL ) |
2964 | 0 | { |
2965 | 0 | libcerror_error_set( |
2966 | 0 | error, |
2967 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2968 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2969 | 0 | "%s: invalid IO handle.", |
2970 | 0 | function ); |
2971 | |
|
2972 | 0 | return( -1 ); |
2973 | 0 | } |
2974 | 0 | if( segment_file == NULL ) |
2975 | 0 | { |
2976 | 0 | libcerror_error_set( |
2977 | 0 | error, |
2978 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2979 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2980 | 0 | "%s: invalid segment file.", |
2981 | 0 | function ); |
2982 | |
|
2983 | 0 | return( -1 ); |
2984 | 0 | } |
2985 | | #if defined( HAVE_DEBUG_OUTPUT ) |
2986 | | if( libcnotify_verbose != 0 ) |
2987 | | { |
2988 | | libcnotify_printf( |
2989 | | "%s: closing chunks section number of bytes written: %" PRIi64 " (padding: %" PRIu32 ").\n", |
2990 | | function, |
2991 | | write_io_handle->chunks_section_write_count, |
2992 | | write_io_handle->chunks_section_padding_size ); |
2993 | | } |
2994 | | #endif |
2995 | 0 | if( write_io_handle->number_of_table_entries < write_io_handle->number_of_chunks_written_to_section ) |
2996 | 0 | { |
2997 | 0 | if( libewf_write_io_handle_resize_table_entries( |
2998 | 0 | write_io_handle, |
2999 | 0 | write_io_handle->number_of_chunks_written_to_section, |
3000 | 0 | error ) != 1 ) |
3001 | 0 | { |
3002 | 0 | libcerror_error_set( |
3003 | 0 | error, |
3004 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
3005 | 0 | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
3006 | 0 | "%s: unable to resize table entries.", |
3007 | 0 | function ); |
3008 | |
|
3009 | 0 | return( -1 ); |
3010 | 0 | } |
3011 | 0 | } |
3012 | | /* TODO what about linen 7 */ |
3013 | 0 | if( ( io_handle->format == LIBEWF_FORMAT_ENCASE6 ) |
3014 | 0 | || ( io_handle->format == LIBEWF_FORMAT_ENCASE7 ) ) |
3015 | 0 | { |
3016 | 0 | base_offset = write_io_handle->chunks_section_offset; |
3017 | 0 | } |
3018 | 0 | first_chunk_index = write_io_handle->number_of_chunks_written |
3019 | 0 | - write_io_handle->number_of_chunks_written_to_section; |
3020 | |
|
3021 | 0 | if( libewf_write_io_handle_generate_table_entries_data( |
3022 | 0 | write_io_handle, |
3023 | 0 | first_chunk_index, |
3024 | 0 | segment_file->major_version, |
3025 | 0 | write_io_handle->table_entries_data, |
3026 | 0 | write_io_handle->table_entries_data_size, |
3027 | 0 | write_io_handle->number_of_chunks_written_to_section, |
3028 | 0 | base_offset, |
3029 | 0 | error ) != 1 ) |
3030 | 0 | { |
3031 | 0 | libcerror_error_set( |
3032 | 0 | error, |
3033 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3034 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3035 | 0 | "%s: unable to set table entries data.", |
3036 | 0 | function ); |
3037 | |
|
3038 | 0 | return( -1 ); |
3039 | 0 | } |
3040 | 0 | write_count = libewf_segment_file_write_chunks_section_end( |
3041 | 0 | segment_file, |
3042 | 0 | file_io_pool, |
3043 | 0 | file_io_pool_entry, |
3044 | 0 | write_io_handle->table_section_data, |
3045 | 0 | write_io_handle->table_section_data_size, |
3046 | 0 | write_io_handle->table_entries_data, |
3047 | 0 | write_io_handle->table_entries_data_size, |
3048 | 0 | write_io_handle->number_of_chunks_written_to_section, |
3049 | 0 | write_io_handle->chunks_section_offset, |
3050 | 0 | (size64_t) write_io_handle->chunks_section_write_count, |
3051 | 0 | write_io_handle->chunks_section_padding_size, |
3052 | 0 | first_chunk_index, |
3053 | 0 | base_offset, |
3054 | 0 | error ); |
3055 | |
|
3056 | 0 | if( write_count < 0 ) |
3057 | 0 | { |
3058 | 0 | libcerror_error_set( |
3059 | 0 | error, |
3060 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
3061 | 0 | LIBCERROR_IO_ERROR_WRITE_FAILED, |
3062 | 0 | "%s: unable to write chunks section end.", |
3063 | 0 | function ); |
3064 | |
|
3065 | 0 | return( -1 ); |
3066 | 0 | } |
3067 | 0 | if( libcdata_array_empty( |
3068 | 0 | write_io_handle->chunks_section, |
3069 | 0 | (int (*)(intptr_t **, libcerror_error_t **)) &libewf_chunk_descriptor_free, |
3070 | 0 | error ) != 1 ) |
3071 | 0 | { |
3072 | 0 | libcerror_error_set( |
3073 | 0 | error, |
3074 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3075 | 0 | LIBCERROR_RUNTIME_ERROR_RESIZE_FAILED, |
3076 | 0 | "%s: unable to empty chunks section.", |
3077 | 0 | function ); |
3078 | |
|
3079 | 0 | return( -1 ); |
3080 | 0 | } |
3081 | 0 | return( write_count ); |
3082 | 0 | } |
3083 | | |
3084 | | /* Creates a new segment file and opens it for writing |
3085 | | * The necessary sections at the start of the segment file are written |
3086 | | * Returns the number of bytes written, 0 when no longer bytes can be written or -1 on error |
3087 | | */ |
3088 | | ssize_t libewf_write_io_handle_write_new_chunk_create_segment_file( |
3089 | | libewf_write_io_handle_t *write_io_handle, |
3090 | | libewf_io_handle_t *io_handle, |
3091 | | libbfio_pool_t *file_io_pool, |
3092 | | libewf_media_values_t *media_values, |
3093 | | libewf_segment_table_t *segment_table, |
3094 | | libfvalue_table_t *header_values, |
3095 | | uint32_t segment_number, |
3096 | | int *file_io_pool_entry, |
3097 | | libewf_segment_file_t **segment_file, |
3098 | | libcerror_error_t **error ) |
3099 | 0 | { |
3100 | 0 | libewf_segment_file_t *safe_segment_file = NULL; |
3101 | 0 | static char *function = "libewf_write_io_handle_write_new_chunk_create_segment_file"; |
3102 | 0 | ssize_t write_count = 0; |
3103 | 0 | int safe_file_io_pool_entry = 0; |
3104 | |
|
3105 | 0 | if( write_io_handle == NULL ) |
3106 | 0 | { |
3107 | 0 | libcerror_error_set( |
3108 | 0 | error, |
3109 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3110 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3111 | 0 | "%s: invalid write IO handle.", |
3112 | 0 | function ); |
3113 | |
|
3114 | 0 | return( -1 ); |
3115 | 0 | } |
3116 | 0 | if( io_handle == NULL ) |
3117 | 0 | { |
3118 | 0 | libcerror_error_set( |
3119 | 0 | error, |
3120 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3121 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3122 | 0 | "%s: invalid IO handle.", |
3123 | 0 | function ); |
3124 | |
|
3125 | 0 | return( -1 ); |
3126 | 0 | } |
3127 | 0 | if( media_values == NULL ) |
3128 | 0 | { |
3129 | 0 | libcerror_error_set( |
3130 | 0 | error, |
3131 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3132 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3133 | 0 | "%s: invalid media values.", |
3134 | 0 | function ); |
3135 | |
|
3136 | 0 | return( -1 ); |
3137 | 0 | } |
3138 | 0 | if( segment_table == NULL ) |
3139 | 0 | { |
3140 | 0 | libcerror_error_set( |
3141 | 0 | error, |
3142 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3143 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3144 | 0 | "%s: invalid segment table.", |
3145 | 0 | function ); |
3146 | |
|
3147 | 0 | return( -1 ); |
3148 | 0 | } |
3149 | 0 | if( file_io_pool_entry == NULL ) |
3150 | 0 | { |
3151 | 0 | libcerror_error_set( |
3152 | 0 | error, |
3153 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3154 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3155 | 0 | "%s: invalid file IO pool entry.", |
3156 | 0 | function ); |
3157 | |
|
3158 | 0 | return( -1 ); |
3159 | 0 | } |
3160 | 0 | if( segment_file == NULL ) |
3161 | 0 | { |
3162 | 0 | libcerror_error_set( |
3163 | 0 | error, |
3164 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3165 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3166 | 0 | "%s: invalid segment file.", |
3167 | 0 | function ); |
3168 | |
|
3169 | 0 | return( -1 ); |
3170 | 0 | } |
3171 | 0 | write_io_handle->create_chunks_section = 1; |
3172 | 0 | write_io_handle->chunks_per_section = 0; |
3173 | 0 | write_io_handle->number_of_chunks_written_to_segment_file = 0; |
3174 | |
|
3175 | | #if defined( HAVE_DEBUG_OUTPUT ) |
3176 | | if( libcnotify_verbose != 0 ) |
3177 | | { |
3178 | | libcnotify_printf( |
3179 | | "%s: creating segment file: %" PRIu32 ".\n", |
3180 | | function, |
3181 | | segment_number ); |
3182 | | } |
3183 | | #endif |
3184 | 0 | if( libewf_write_io_handle_create_segment_file( |
3185 | 0 | io_handle, |
3186 | 0 | file_io_pool, |
3187 | 0 | segment_table, |
3188 | 0 | io_handle->segment_file_type, |
3189 | 0 | segment_number, |
3190 | 0 | write_io_handle->maximum_number_of_segments, |
3191 | 0 | media_values->set_identifier, |
3192 | 0 | &safe_file_io_pool_entry, |
3193 | 0 | &safe_segment_file, |
3194 | 0 | error ) != 1 ) |
3195 | 0 | { |
3196 | 0 | libcerror_error_set( |
3197 | 0 | error, |
3198 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
3199 | 0 | LIBCERROR_IO_ERROR_OPEN_FAILED, |
3200 | 0 | "%s: unable to create segment file: %" PRIu32 ".", |
3201 | 0 | function, |
3202 | 0 | segment_number ); |
3203 | |
|
3204 | 0 | goto on_error; |
3205 | 0 | } |
3206 | 0 | write_io_handle->remaining_segment_file_size = segment_table->maximum_segment_size; |
3207 | | |
3208 | | /* Reserve space for the done or next section |
3209 | | */ |
3210 | 0 | write_io_handle->remaining_segment_file_size -= write_io_handle->section_descriptor_size; |
3211 | | |
3212 | | /* Write the start of the segment file |
3213 | | * like the file header, the header, volume and/or data section, etc. |
3214 | | */ |
3215 | 0 | write_count = libewf_segment_file_write_start( |
3216 | 0 | safe_segment_file, |
3217 | 0 | file_io_pool, |
3218 | 0 | safe_file_io_pool_entry, |
3219 | 0 | &( write_io_handle->case_data ), |
3220 | 0 | &( write_io_handle->case_data_size ), |
3221 | 0 | &( write_io_handle->device_information ), |
3222 | 0 | &( write_io_handle->device_information_size ), |
3223 | 0 | &( write_io_handle->data_section ), |
3224 | 0 | media_values, |
3225 | 0 | header_values, |
3226 | 0 | write_io_handle->timestamp, |
3227 | 0 | error ); |
3228 | |
|
3229 | 0 | if( write_count < 0 ) |
3230 | 0 | { |
3231 | 0 | libcerror_error_set( |
3232 | 0 | error, |
3233 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
3234 | 0 | LIBCERROR_IO_ERROR_WRITE_FAILED, |
3235 | 0 | "%s: unable to write segment file start.", |
3236 | 0 | function ); |
3237 | |
|
3238 | 0 | goto on_error; |
3239 | 0 | } |
3240 | 0 | write_io_handle->remaining_segment_file_size -= write_count; |
3241 | | |
3242 | | /* Determine the number of chunks per segment file |
3243 | | */ |
3244 | 0 | if( safe_segment_file->number_of_chunks == 0 ) |
3245 | 0 | { |
3246 | 0 | if( libewf_write_io_handle_calculate_chunks_per_segment_file( |
3247 | 0 | write_io_handle, |
3248 | 0 | media_values, |
3249 | 0 | io_handle->segment_file_type, |
3250 | 0 | io_handle->format, |
3251 | 0 | error ) != 1 ) |
3252 | 0 | { |
3253 | 0 | libcerror_error_set( |
3254 | 0 | error, |
3255 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3256 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
3257 | 0 | "%s: unable to determine the number of chunks per segment file.", |
3258 | 0 | function ); |
3259 | |
|
3260 | 0 | goto on_error; |
3261 | 0 | } |
3262 | | #if defined( HAVE_DEBUG_OUTPUT ) |
3263 | | if( libcnotify_verbose != 0 ) |
3264 | | { |
3265 | | libcnotify_printf( |
3266 | | "%s: calculated number of chunks per segment file: %" PRIu64 ".\n", |
3267 | | function, |
3268 | | write_io_handle->chunks_per_segment_file ); |
3269 | | } |
3270 | | #endif |
3271 | 0 | } |
3272 | 0 | else |
3273 | 0 | { |
3274 | 0 | write_io_handle->chunks_per_segment_file = safe_segment_file->number_of_chunks; |
3275 | 0 | } |
3276 | 0 | *file_io_pool_entry = safe_file_io_pool_entry; |
3277 | 0 | *segment_file = safe_segment_file; |
3278 | |
|
3279 | 0 | return( write_count ); |
3280 | | |
3281 | 0 | on_error: |
3282 | 0 | if( safe_segment_file != NULL ) |
3283 | 0 | { |
3284 | 0 | libewf_segment_file_free( |
3285 | 0 | &safe_segment_file, |
3286 | 0 | NULL ); |
3287 | 0 | } |
3288 | 0 | return( -1 ); |
3289 | 0 | } |
3290 | | |
3291 | | /* Creates a new chunks section |
3292 | | * Returns the number of bytes written, 0 when no longer bytes can be written or -1 on error |
3293 | | */ |
3294 | | ssize_t libewf_write_io_handle_write_new_chunk_create_chunks_section( |
3295 | | libewf_write_io_handle_t *write_io_handle, |
3296 | | libewf_io_handle_t *io_handle, |
3297 | | libbfio_pool_t *file_io_pool, |
3298 | | libewf_media_values_t *media_values, |
3299 | | int file_io_pool_entry, |
3300 | | libewf_segment_file_t *segment_file, |
3301 | | libcerror_error_t **error ) |
3302 | 0 | { |
3303 | 0 | static char *function = "libewf_write_io_handle_write_new_chunk_create_chunks_section"; |
3304 | 0 | ssize_t write_count = 0; |
3305 | |
|
3306 | 0 | if( write_io_handle == NULL ) |
3307 | 0 | { |
3308 | 0 | libcerror_error_set( |
3309 | 0 | error, |
3310 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3311 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3312 | 0 | "%s: invalid write IO handle.", |
3313 | 0 | function ); |
3314 | |
|
3315 | 0 | return( -1 ); |
3316 | 0 | } |
3317 | 0 | if( io_handle == NULL ) |
3318 | 0 | { |
3319 | 0 | libcerror_error_set( |
3320 | 0 | error, |
3321 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3322 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3323 | 0 | "%s: invalid IO handle.", |
3324 | 0 | function ); |
3325 | |
|
3326 | 0 | return( -1 ); |
3327 | 0 | } |
3328 | 0 | if( segment_file == NULL ) |
3329 | 0 | { |
3330 | 0 | libcerror_error_set( |
3331 | 0 | error, |
3332 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3333 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3334 | 0 | "%s: invalid segment file.", |
3335 | 0 | function ); |
3336 | |
|
3337 | 0 | return( -1 ); |
3338 | 0 | } |
3339 | | #if defined( HAVE_DEBUG_OUTPUT ) |
3340 | | if( libcnotify_verbose != 0 ) |
3341 | | { |
3342 | | libcnotify_printf( |
3343 | | "%s: creating chunks section.\n", |
3344 | | function ); |
3345 | | } |
3346 | | #endif |
3347 | 0 | write_io_handle->create_chunks_section = 0; |
3348 | 0 | write_io_handle->number_of_chunks_written_to_section = 0; |
3349 | 0 | write_io_handle->chunks_section_write_count = 0; |
3350 | 0 | write_io_handle->chunks_section_padding_size = 0; |
3351 | | |
3352 | | /* Reserve space in the segment file for the end of the chunks section |
3353 | | */ |
3354 | 0 | write_io_handle->remaining_segment_file_size -= write_io_handle->chunks_section_reserved_size; |
3355 | |
|
3356 | 0 | if( libbfio_pool_get_offset( |
3357 | 0 | file_io_pool, |
3358 | 0 | file_io_pool_entry, |
3359 | 0 | &( write_io_handle->chunks_section_offset ), |
3360 | 0 | error ) != 1 ) |
3361 | 0 | { |
3362 | 0 | libcerror_error_set( |
3363 | 0 | error, |
3364 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3365 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
3366 | 0 | "%s: unable to retrieve current offset in segment file.", |
3367 | 0 | function ); |
3368 | |
|
3369 | 0 | return( -1 ); |
3370 | 0 | } |
3371 | | /* Recalculate the number of chunks per segment file for a better fill when compression is used |
3372 | | */ |
3373 | 0 | if( segment_file->number_of_chunks == 0 ) |
3374 | 0 | { |
3375 | 0 | if( libewf_write_io_handle_calculate_chunks_per_segment_file( |
3376 | 0 | write_io_handle, |
3377 | 0 | media_values, |
3378 | 0 | io_handle->segment_file_type, |
3379 | 0 | io_handle->format, |
3380 | 0 | error ) != 1 ) |
3381 | 0 | { |
3382 | 0 | libcerror_error_set( |
3383 | 0 | error, |
3384 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3385 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
3386 | 0 | "%s: unable to determine the number of chunks per segment file.", |
3387 | 0 | function ); |
3388 | |
|
3389 | 0 | return( -1 ); |
3390 | 0 | } |
3391 | | #if defined( HAVE_DEBUG_OUTPUT ) |
3392 | | if( libcnotify_verbose != 0 ) |
3393 | | { |
3394 | | libcnotify_printf( |
3395 | | "%s: calculated number of chunks per segment file: %" PRIu64 ".\n", |
3396 | | function, |
3397 | | write_io_handle->chunks_per_segment_file ); |
3398 | | } |
3399 | | #endif |
3400 | 0 | } |
3401 | 0 | else |
3402 | 0 | { |
3403 | 0 | write_io_handle->chunks_per_segment_file = segment_file->number_of_chunks; |
3404 | 0 | } |
3405 | 0 | if( libewf_write_io_handle_calculate_chunks_per_section( |
3406 | 0 | write_io_handle, |
3407 | 0 | error ) != 1 ) |
3408 | 0 | { |
3409 | 0 | libcerror_error_set( |
3410 | 0 | error, |
3411 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3412 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
3413 | 0 | "%s: unable to determine the number of chunks per chunks section.", |
3414 | 0 | function ); |
3415 | |
|
3416 | 0 | return( -1 ); |
3417 | 0 | } |
3418 | | #if defined( HAVE_DEBUG_OUTPUT ) |
3419 | | if( libcnotify_verbose != 0 ) |
3420 | | { |
3421 | | libcnotify_printf( |
3422 | | "%s: calculated number of chunks per section: %" PRIu32 ".\n", |
3423 | | function, |
3424 | | write_io_handle->chunks_per_section ); |
3425 | | } |
3426 | | #endif |
3427 | 0 | write_count = libewf_write_io_handle_write_chunks_section_start( |
3428 | 0 | write_io_handle, |
3429 | 0 | io_handle, |
3430 | 0 | file_io_pool, |
3431 | 0 | file_io_pool_entry, |
3432 | 0 | segment_file, |
3433 | 0 | error ); |
3434 | |
|
3435 | 0 | if( write_count < 0 ) |
3436 | 0 | { |
3437 | 0 | libcerror_error_set( |
3438 | 0 | error, |
3439 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
3440 | 0 | LIBCERROR_IO_ERROR_WRITE_FAILED, |
3441 | 0 | "%s: unable to write chunks section start.", |
3442 | 0 | function ); |
3443 | |
|
3444 | 0 | return( -1 ); |
3445 | 0 | } |
3446 | 0 | write_io_handle->remaining_segment_file_size -= write_count; |
3447 | |
|
3448 | 0 | return( write_count ); |
3449 | 0 | } |
3450 | | |
3451 | | /* Creates a new chunks section |
3452 | | * Returns the number of bytes written, 0 when no longer bytes can be written or -1 on error |
3453 | | */ |
3454 | | ssize_t libewf_write_io_handle_write_new_chunk_create_chunk( |
3455 | | libewf_write_io_handle_t *write_io_handle, |
3456 | | libbfio_pool_t *file_io_pool, |
3457 | | int file_io_pool_entry, |
3458 | | libewf_segment_file_t *segment_file, |
3459 | | uint64_t chunk_index, |
3460 | | libewf_chunk_data_t *chunk_data, |
3461 | | size_t input_data_size, |
3462 | | libcerror_error_t **error ) |
3463 | 0 | { |
3464 | 0 | libewf_chunk_descriptor_t *chunk_descriptor = NULL; |
3465 | 0 | static char *function = "libewf_write_io_handle_write_new_chunk_create_chunk"; |
3466 | 0 | ssize_t write_count = 0; |
3467 | 0 | off64_t chunk_offset = 0; |
3468 | 0 | int entry_index = 0; |
3469 | |
|
3470 | 0 | if( write_io_handle == NULL ) |
3471 | 0 | { |
3472 | 0 | libcerror_error_set( |
3473 | 0 | error, |
3474 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3475 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3476 | 0 | "%s: invalid write IO handle.", |
3477 | 0 | function ); |
3478 | |
|
3479 | 0 | return( -1 ); |
3480 | 0 | } |
3481 | 0 | if( segment_file == NULL ) |
3482 | 0 | { |
3483 | 0 | libcerror_error_set( |
3484 | 0 | error, |
3485 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3486 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3487 | 0 | "%s: invalid segment file.", |
3488 | 0 | function ); |
3489 | |
|
3490 | 0 | return( -1 ); |
3491 | 0 | } |
3492 | 0 | chunk_offset = write_io_handle->current_segment_file->current_offset; |
3493 | |
|
3494 | | #if defined( HAVE_DEBUG_OUTPUT ) |
3495 | | if( libcnotify_verbose != 0 ) |
3496 | | { |
3497 | | libcnotify_printf( |
3498 | | "%s: writing chunk: %" PRIu64 " data of size: %" PRIzd " to segment file: %" PRIu32 " at offset: 0x%08" PRIx64 ".\n", |
3499 | | function, |
3500 | | chunk_index, |
3501 | | chunk_data->data_size, |
3502 | | segment_file->segment_number, |
3503 | | chunk_offset ); |
3504 | | } |
3505 | | #endif |
3506 | 0 | write_count = libewf_segment_file_write_chunk_data( |
3507 | 0 | segment_file, |
3508 | 0 | file_io_pool, |
3509 | 0 | file_io_pool_entry, |
3510 | 0 | chunk_index, |
3511 | 0 | chunk_data, |
3512 | 0 | error ); |
3513 | |
|
3514 | 0 | if( write_count < 0 ) |
3515 | 0 | { |
3516 | 0 | libcerror_error_set( |
3517 | 0 | error, |
3518 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
3519 | 0 | LIBCERROR_IO_ERROR_WRITE_FAILED, |
3520 | 0 | "%s: unable to write chunk data.", |
3521 | 0 | function ); |
3522 | |
|
3523 | 0 | goto on_error; |
3524 | 0 | } |
3525 | 0 | if( libewf_chunk_descriptor_initialize( |
3526 | 0 | &chunk_descriptor, |
3527 | 0 | error ) != 1 ) |
3528 | 0 | { |
3529 | 0 | libcerror_error_set( |
3530 | 0 | error, |
3531 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3532 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
3533 | 0 | "%s: unable to create chunk descriptor.", |
3534 | 0 | function ); |
3535 | |
|
3536 | 0 | goto on_error; |
3537 | 0 | } |
3538 | 0 | chunk_descriptor->data_offset = chunk_offset; |
3539 | 0 | chunk_descriptor->data_size = (size64_t) write_count - chunk_data->padding_size; |
3540 | 0 | chunk_descriptor->range_flags = chunk_data->range_flags; |
3541 | |
|
3542 | 0 | if( libcdata_array_append_entry( |
3543 | 0 | write_io_handle->chunks_section, |
3544 | 0 | &entry_index, |
3545 | 0 | (intptr_t *) chunk_descriptor, |
3546 | 0 | error ) != 1 ) |
3547 | 0 | { |
3548 | 0 | libcerror_error_set( |
3549 | 0 | error, |
3550 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3551 | 0 | LIBCERROR_RUNTIME_ERROR_APPEND_FAILED, |
3552 | 0 | "%s: unable to append chunk: %" PRIu64 " descriptor to chunks section.", |
3553 | 0 | function, |
3554 | 0 | chunk_index ); |
3555 | |
|
3556 | 0 | goto on_error; |
3557 | 0 | } |
3558 | 0 | chunk_descriptor = NULL; |
3559 | |
|
3560 | 0 | write_io_handle->input_write_count += input_data_size; |
3561 | 0 | write_io_handle->chunks_section_write_count += write_count; |
3562 | 0 | write_io_handle->chunks_section_padding_size += (uint32_t) chunk_data->padding_size; |
3563 | 0 | write_io_handle->remaining_segment_file_size -= write_count; |
3564 | 0 | write_io_handle->number_of_chunks_written_to_segment_file += 1; |
3565 | 0 | write_io_handle->number_of_chunks_written_to_section += 1; |
3566 | 0 | write_io_handle->number_of_chunks_written += 1; |
3567 | |
|
3568 | 0 | return( write_count ); |
3569 | | |
3570 | 0 | on_error: |
3571 | 0 | if( chunk_descriptor != NULL ) |
3572 | 0 | { |
3573 | 0 | libewf_chunk_descriptor_free( |
3574 | 0 | &chunk_descriptor, |
3575 | 0 | NULL ); |
3576 | 0 | } |
3577 | 0 | return( -1 ); |
3578 | 0 | } |
3579 | | |
3580 | | /* Writes a new chunk of data in EWF format at the current offset |
3581 | | * The necessary settings of the write values must have been made |
3582 | | * Returns the number of bytes written, 0 when no longer bytes can be written or -1 on error |
3583 | | */ |
3584 | | ssize_t libewf_write_io_handle_write_new_chunk( |
3585 | | libewf_write_io_handle_t *write_io_handle, |
3586 | | libewf_io_handle_t *io_handle, |
3587 | | libbfio_pool_t *file_io_pool, |
3588 | | libewf_media_values_t *media_values, |
3589 | | libewf_segment_table_t *segment_table, |
3590 | | libfvalue_table_t *header_values, |
3591 | | libfvalue_table_t *hash_values, |
3592 | | libewf_hash_sections_t *hash_sections, |
3593 | | libcdata_array_t *sessions, |
3594 | | libcdata_array_t *tracks, |
3595 | | libcdata_range_list_t *acquiry_errors, |
3596 | | uint64_t chunk_index, |
3597 | | libewf_chunk_data_t *chunk_data, |
3598 | | size_t input_data_size, |
3599 | | libcerror_error_t **error ) |
3600 | 0 | { |
3601 | 0 | static char *function = "libewf_write_io_handle_write_new_chunk"; |
3602 | 0 | ssize_t total_write_count = 0; |
3603 | 0 | ssize_t write_count = 0; |
3604 | 0 | int result = 0; |
3605 | |
|
3606 | 0 | if( write_io_handle == NULL ) |
3607 | 0 | { |
3608 | 0 | libcerror_error_set( |
3609 | 0 | error, |
3610 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3611 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3612 | 0 | "%s: invalid write IO handle.", |
3613 | 0 | function ); |
3614 | |
|
3615 | 0 | return( -1 ); |
3616 | 0 | } |
3617 | 0 | if( io_handle == NULL ) |
3618 | 0 | { |
3619 | 0 | libcerror_error_set( |
3620 | 0 | error, |
3621 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3622 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3623 | 0 | "%s: invalid IO handle.", |
3624 | 0 | function ); |
3625 | |
|
3626 | 0 | return( -1 ); |
3627 | 0 | } |
3628 | 0 | if( media_values == NULL ) |
3629 | 0 | { |
3630 | 0 | libcerror_error_set( |
3631 | 0 | error, |
3632 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3633 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3634 | 0 | "%s: invalid media values.", |
3635 | 0 | function ); |
3636 | |
|
3637 | 0 | return( -1 ); |
3638 | 0 | } |
3639 | 0 | if( chunk_data == NULL ) |
3640 | 0 | { |
3641 | 0 | libcerror_error_set( |
3642 | 0 | error, |
3643 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3644 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3645 | 0 | "%s: invalid chunk data.", |
3646 | 0 | function ); |
3647 | |
|
3648 | 0 | return( -1 ); |
3649 | 0 | } |
3650 | 0 | if( ( input_data_size == 0 ) |
3651 | 0 | && ( input_data_size > (size_t) SSIZE_MAX ) ) |
3652 | 0 | { |
3653 | 0 | libcerror_error_set( |
3654 | 0 | error, |
3655 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3656 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS, |
3657 | 0 | "%s: invalid input data size value out of bounds.", |
3658 | 0 | function ); |
3659 | |
|
3660 | 0 | return( -1 ); |
3661 | 0 | } |
3662 | | /* Check if the write was already finalized |
3663 | | */ |
3664 | 0 | if( write_io_handle->write_finalized != 0 ) |
3665 | 0 | { |
3666 | 0 | return( 0 ); |
3667 | 0 | } |
3668 | | /* Check if the number of bytes as specified have been written |
3669 | | */ |
3670 | 0 | if( ( media_values->media_size != 0 ) |
3671 | 0 | && ( write_io_handle->input_write_count >= (ssize64_t) media_values->media_size ) ) |
3672 | 0 | { |
3673 | 0 | return( 0 ); |
3674 | 0 | } |
3675 | | #if defined( HAVE_DEBUG_OUTPUT ) |
3676 | | if( libcnotify_verbose != 0 ) |
3677 | | { |
3678 | | libcnotify_printf( |
3679 | | "%s: writing chunk: %" PRIu64 " of size: %" PRIzd " (data size: %" PRIzd ").\n", |
3680 | | function, |
3681 | | chunk_index, |
3682 | | chunk_data->data_size, |
3683 | | input_data_size ); |
3684 | | } |
3685 | | #endif |
3686 | 0 | if( write_io_handle->current_segment_file == NULL ) |
3687 | 0 | { |
3688 | 0 | write_count = libewf_write_io_handle_write_new_chunk_create_segment_file( |
3689 | 0 | write_io_handle, |
3690 | 0 | io_handle, |
3691 | 0 | file_io_pool, |
3692 | 0 | media_values, |
3693 | 0 | segment_table, |
3694 | 0 | header_values, |
3695 | 0 | write_io_handle->current_segment_number, |
3696 | 0 | &( write_io_handle->current_file_io_pool_entry ), |
3697 | 0 | &( write_io_handle->current_segment_file ), |
3698 | 0 | error ); |
3699 | |
|
3700 | 0 | if( write_count < 0 ) |
3701 | 0 | { |
3702 | 0 | libcerror_error_set( |
3703 | 0 | error, |
3704 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
3705 | 0 | LIBCERROR_IO_ERROR_WRITE_FAILED, |
3706 | 0 | "%s: unable to create segment file: %" PRIu32 ".", |
3707 | 0 | function, |
3708 | 0 | write_io_handle->current_segment_number ); |
3709 | |
|
3710 | 0 | return( -1 ); |
3711 | 0 | } |
3712 | 0 | total_write_count += write_count; |
3713 | 0 | } |
3714 | | /* Check if a chunks section should be created |
3715 | | */ |
3716 | 0 | if( write_io_handle->create_chunks_section == 1 ) |
3717 | 0 | { |
3718 | 0 | write_count = libewf_write_io_handle_write_new_chunk_create_chunks_section( |
3719 | 0 | write_io_handle, |
3720 | 0 | io_handle, |
3721 | 0 | file_io_pool, |
3722 | 0 | media_values, |
3723 | 0 | write_io_handle->current_file_io_pool_entry, |
3724 | 0 | write_io_handle->current_segment_file, |
3725 | 0 | error ); |
3726 | |
|
3727 | 0 | if( write_count < 0 ) |
3728 | 0 | { |
3729 | 0 | libcerror_error_set( |
3730 | 0 | error, |
3731 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
3732 | 0 | LIBCERROR_IO_ERROR_WRITE_FAILED, |
3733 | 0 | "%s: unable to create chunks section in segment file: %" PRIu32 ".", |
3734 | 0 | function, |
3735 | 0 | write_io_handle->current_segment_number ); |
3736 | |
|
3737 | 0 | return( -1 ); |
3738 | 0 | } |
3739 | 0 | total_write_count += write_count; |
3740 | 0 | } |
3741 | | /* Write the chunk data |
3742 | | */ |
3743 | 0 | write_count = libewf_write_io_handle_write_new_chunk_create_chunk( |
3744 | 0 | write_io_handle, |
3745 | 0 | file_io_pool, |
3746 | 0 | write_io_handle->current_file_io_pool_entry, |
3747 | 0 | write_io_handle->current_segment_file, |
3748 | 0 | chunk_index, |
3749 | 0 | chunk_data, |
3750 | 0 | input_data_size, |
3751 | 0 | error ); |
3752 | |
|
3753 | 0 | if( write_count < 0 ) |
3754 | 0 | { |
3755 | 0 | libcerror_error_set( |
3756 | 0 | error, |
3757 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
3758 | 0 | LIBCERROR_IO_ERROR_WRITE_FAILED, |
3759 | 0 | "%s: unable to create chunk: %" PRIu64 " in segment file: %" PRIu32 ".", |
3760 | 0 | function, |
3761 | 0 | chunk_index, |
3762 | 0 | write_io_handle->current_segment_number ); |
3763 | |
|
3764 | 0 | return( -1 ); |
3765 | 0 | } |
3766 | 0 | total_write_count += write_count; |
3767 | | |
3768 | | /* Reserve space in the segment file for the chunk table entries |
3769 | | */ |
3770 | 0 | write_io_handle->remaining_segment_file_size -= write_io_handle->chunk_table_entries_reserved_size; |
3771 | | |
3772 | | /* Check if the current chunks section is full, if so close the current section |
3773 | | */ |
3774 | 0 | result = libewf_write_io_handle_test_chunks_section_full( |
3775 | 0 | write_io_handle, |
3776 | 0 | media_values, |
3777 | 0 | write_io_handle->current_segment_file->current_offset, |
3778 | 0 | io_handle->segment_file_type, |
3779 | 0 | io_handle->format, |
3780 | 0 | error ); |
3781 | |
|
3782 | 0 | if( result == -1 ) |
3783 | 0 | { |
3784 | 0 | libcerror_error_set( |
3785 | 0 | error, |
3786 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3787 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
3788 | 0 | "%s: unable to determine if chunks section is full.", |
3789 | 0 | function ); |
3790 | |
|
3791 | 0 | return( -1 ); |
3792 | 0 | } |
3793 | 0 | if( result == 1 ) |
3794 | 0 | { |
3795 | 0 | write_count = libewf_write_io_handle_write_chunks_section_end( |
3796 | 0 | write_io_handle, |
3797 | 0 | io_handle, |
3798 | 0 | file_io_pool, |
3799 | 0 | write_io_handle->current_file_io_pool_entry, |
3800 | 0 | write_io_handle->current_segment_file, |
3801 | 0 | error ); |
3802 | |
|
3803 | 0 | if( write_count < 0 ) |
3804 | 0 | { |
3805 | 0 | libcerror_error_set( |
3806 | 0 | error, |
3807 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
3808 | 0 | LIBCERROR_IO_ERROR_WRITE_FAILED, |
3809 | 0 | "%s: unable to write chunks section end.", |
3810 | 0 | function ); |
3811 | |
|
3812 | 0 | return( -1 ); |
3813 | 0 | } |
3814 | 0 | total_write_count += write_count; |
3815 | |
|
3816 | 0 | write_io_handle->create_chunks_section = 1; |
3817 | 0 | write_io_handle->chunks_section_offset = 0; |
3818 | | |
3819 | | /* Check if the current segment file is full, if so close the current segment file |
3820 | | */ |
3821 | 0 | result = libewf_write_io_handle_test_segment_file_full( |
3822 | 0 | write_io_handle, |
3823 | 0 | media_values, |
3824 | 0 | io_handle->segment_file_type, |
3825 | 0 | io_handle->format, |
3826 | 0 | error ); |
3827 | |
|
3828 | 0 | if( result == -1 ) |
3829 | 0 | { |
3830 | 0 | libcerror_error_set( |
3831 | 0 | error, |
3832 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3833 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
3834 | 0 | "%s: unable to determine if segment file is full.", |
3835 | 0 | function ); |
3836 | |
|
3837 | 0 | return( -1 ); |
3838 | 0 | } |
3839 | 0 | else if( result == 1 ) |
3840 | 0 | { |
3841 | | /* Check if this is not the last segment file |
3842 | | */ |
3843 | 0 | if( ( media_values->media_size == 0 ) |
3844 | 0 | || ( write_io_handle->input_write_count < (ssize64_t) media_values->media_size ) ) |
3845 | 0 | { |
3846 | | #if defined( HAVE_DEBUG_OUTPUT ) |
3847 | | if( libcnotify_verbose != 0 ) |
3848 | | { |
3849 | | libcnotify_printf( |
3850 | | "%s: closing segment file: %" PRIu32 ".\n", |
3851 | | function, |
3852 | | write_io_handle->current_segment_number ); |
3853 | | } |
3854 | | #endif |
3855 | | /* Finalize and close the segment file |
3856 | | */ |
3857 | 0 | write_count = libewf_segment_file_write_close( |
3858 | 0 | write_io_handle->current_segment_file, |
3859 | 0 | file_io_pool, |
3860 | 0 | write_io_handle->current_file_io_pool_entry, |
3861 | 0 | write_io_handle->number_of_chunks_written_to_segment_file, |
3862 | 0 | 0, |
3863 | 0 | hash_sections, |
3864 | 0 | hash_values, |
3865 | 0 | media_values, |
3866 | 0 | sessions, |
3867 | 0 | tracks, |
3868 | 0 | acquiry_errors, |
3869 | 0 | &( write_io_handle->data_section ), |
3870 | 0 | error ); |
3871 | |
|
3872 | 0 | if( write_count < 0 ) |
3873 | 0 | { |
3874 | 0 | libcerror_error_set( |
3875 | 0 | error, |
3876 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
3877 | 0 | LIBCERROR_IO_ERROR_WRITE_FAILED, |
3878 | 0 | "%s: unable to close segment file: %" PRIu32 ".", |
3879 | 0 | function, |
3880 | 0 | write_io_handle->current_segment_number ); |
3881 | |
|
3882 | 0 | return( -1 ); |
3883 | 0 | } |
3884 | 0 | total_write_count += write_count; |
3885 | |
|
3886 | 0 | write_io_handle->current_file_io_pool_entry = -1; |
3887 | 0 | write_io_handle->current_segment_file = NULL; |
3888 | 0 | write_io_handle->current_segment_number += 1; |
3889 | 0 | } |
3890 | 0 | } |
3891 | 0 | } |
3892 | 0 | return( total_write_count ); |
3893 | 0 | } |
3894 | | |
3895 | | /* Corrects sections after streamed write |
3896 | | * Returns 1 if successful or -1 on error |
3897 | | */ |
3898 | | int libewf_write_io_handle_finalize_write_sections_corrections( |
3899 | | libewf_write_io_handle_t *write_io_handle, |
3900 | | libbfio_pool_t *file_io_pool, |
3901 | | libewf_media_values_t *media_values, |
3902 | | libewf_segment_table_t *segment_table, |
3903 | | libfvalue_table_t *header_values, |
3904 | | libfvalue_table_t *hash_values, |
3905 | | libewf_hash_sections_t *hash_sections, |
3906 | | libcdata_array_t *sessions, |
3907 | | libcdata_array_t *tracks, |
3908 | | libcdata_range_list_t *acquiry_errors, |
3909 | | libcerror_error_t **error ) |
3910 | 0 | { |
3911 | 0 | libewf_segment_file_t *segment_file = NULL; |
3912 | 0 | static char *function = "libewf_write_io_handle_finalize_write_sections_corrections"; |
3913 | 0 | size64_t segment_file_size = 0; |
3914 | 0 | uint32_t number_of_segments = 0; |
3915 | 0 | uint32_t segment_number = 0; |
3916 | 0 | int file_io_pool_entry = 0; |
3917 | 0 | int last_segment_file = 0; |
3918 | |
|
3919 | 0 | if( write_io_handle == NULL ) |
3920 | 0 | { |
3921 | 0 | libcerror_error_set( |
3922 | 0 | error, |
3923 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3924 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3925 | 0 | "%s: invalid write IO handle.", |
3926 | 0 | function ); |
3927 | |
|
3928 | 0 | return( -1 ); |
3929 | 0 | } |
3930 | 0 | if( libewf_segment_table_get_number_of_segments( |
3931 | 0 | segment_table, |
3932 | 0 | &number_of_segments, |
3933 | 0 | error ) != 1 ) |
3934 | 0 | { |
3935 | 0 | libcerror_error_set( |
3936 | 0 | error, |
3937 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3938 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
3939 | 0 | "%s: unable to retrieve number of segments from segment table.", |
3940 | 0 | function ); |
3941 | |
|
3942 | 0 | return( -1 ); |
3943 | 0 | } |
3944 | 0 | for( segment_number = 0; |
3945 | 0 | segment_number < number_of_segments; |
3946 | 0 | segment_number++ ) |
3947 | 0 | { |
3948 | 0 | if( segment_number == ( number_of_segments - 1 ) ) |
3949 | 0 | { |
3950 | 0 | last_segment_file = 1; |
3951 | 0 | } |
3952 | 0 | if( libewf_segment_table_get_segment_by_index( |
3953 | 0 | segment_table, |
3954 | 0 | segment_number, |
3955 | 0 | &file_io_pool_entry, |
3956 | 0 | &segment_file_size, |
3957 | 0 | error ) != 1 ) |
3958 | 0 | { |
3959 | 0 | libcerror_error_set( |
3960 | 0 | error, |
3961 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3962 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
3963 | 0 | "%s: unable to retrieve segment: %" PRIu32 " from segment table.", |
3964 | 0 | function, |
3965 | 0 | segment_number ); |
3966 | |
|
3967 | 0 | return( -1 ); |
3968 | 0 | } |
3969 | 0 | if( libbfio_pool_reopen( |
3970 | 0 | file_io_pool, |
3971 | 0 | file_io_pool_entry, |
3972 | 0 | LIBBFIO_OPEN_READ_WRITE, |
3973 | 0 | error ) != 1 ) |
3974 | 0 | { |
3975 | 0 | libcerror_error_set( |
3976 | 0 | error, |
3977 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
3978 | 0 | LIBCERROR_IO_ERROR_OPEN_FAILED, |
3979 | 0 | "%s: unable to reopen segment file: %" PRIu32 " for write corrections.", |
3980 | 0 | function, |
3981 | 0 | segment_number ); |
3982 | |
|
3983 | 0 | return( -1 ); |
3984 | 0 | } |
3985 | 0 | segment_file = NULL; |
3986 | |
|
3987 | 0 | if( libewf_segment_table_get_segment_file_by_index( |
3988 | 0 | segment_table, |
3989 | 0 | segment_number, |
3990 | 0 | file_io_pool, |
3991 | 0 | &segment_file, |
3992 | 0 | error ) != 1 ) |
3993 | 0 | { |
3994 | 0 | libcerror_error_set( |
3995 | 0 | error, |
3996 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3997 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
3998 | 0 | "%s: unable to retrieve segment file: %" PRIu32 " from segment table.", |
3999 | 0 | function, |
4000 | 0 | segment_number ); |
4001 | |
|
4002 | 0 | return( -1 ); |
4003 | 0 | } |
4004 | 0 | if( libewf_segment_file_write_sections_correction( |
4005 | 0 | segment_file, |
4006 | 0 | file_io_pool, |
4007 | 0 | file_io_pool_entry, |
4008 | 0 | write_io_handle->number_of_chunks_written_to_segment_file, |
4009 | 0 | last_segment_file, |
4010 | 0 | media_values, |
4011 | 0 | header_values, |
4012 | 0 | write_io_handle->timestamp, |
4013 | 0 | hash_values, |
4014 | 0 | hash_sections, |
4015 | 0 | sessions, |
4016 | 0 | tracks, |
4017 | 0 | acquiry_errors, |
4018 | 0 | &( write_io_handle->case_data ), |
4019 | 0 | &( write_io_handle->case_data_size ), |
4020 | 0 | &( write_io_handle->device_information ), |
4021 | 0 | &( write_io_handle->device_information_size ), |
4022 | 0 | &( write_io_handle->data_section ), |
4023 | 0 | error ) != 1 ) |
4024 | 0 | { |
4025 | 0 | libcerror_error_set( |
4026 | 0 | error, |
4027 | 0 | LIBCERROR_ERROR_DOMAIN_IO, |
4028 | 0 | LIBCERROR_IO_ERROR_WRITE_FAILED, |
4029 | 0 | "%s: unable to write sections correction to segment file: %" PRIu32 ".", |
4030 | 0 | function, |
4031 | 0 | segment_number ); |
4032 | |
|
4033 | 0 | return( -1 ); |
4034 | 0 | } |
4035 | 0 | } |
4036 | 0 | return( 1 ); |
4037 | 0 | } |
4038 | | |