/src/libewf/libewf/libewf_serialized_string.c
Line | Count | Source (jump to first uncovered line) |
1 | | /* |
2 | | * Serialized (file) object 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 <memory.h> |
24 | | #include <types.h> |
25 | | |
26 | | #include "libewf_libcerror.h" |
27 | | #include "libewf_libuna.h" |
28 | | #include "libewf_serialized_string.h" |
29 | | |
30 | | /* Creates a serialized string |
31 | | * Make sure the value serialized_string is referencing, is set to NULL |
32 | | * Returns 1 if successful or -1 on error |
33 | | */ |
34 | | int libewf_serialized_string_initialize( |
35 | | libewf_serialized_string_t **serialized_string, |
36 | | libcerror_error_t **error ) |
37 | 0 | { |
38 | 0 | static char *function = "libewf_serialized_string_initialize"; |
39 | |
|
40 | 0 | if( serialized_string == NULL ) |
41 | 0 | { |
42 | 0 | libcerror_error_set( |
43 | 0 | error, |
44 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
45 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
46 | 0 | "%s: invalid serialized string.", |
47 | 0 | function ); |
48 | |
|
49 | 0 | return( -1 ); |
50 | 0 | } |
51 | 0 | if( *serialized_string != NULL ) |
52 | 0 | { |
53 | 0 | libcerror_error_set( |
54 | 0 | error, |
55 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
56 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
57 | 0 | "%s: invalid serialized string value already set.", |
58 | 0 | function ); |
59 | |
|
60 | 0 | return( -1 ); |
61 | 0 | } |
62 | 0 | *serialized_string = memory_allocate_structure( |
63 | 0 | libewf_serialized_string_t ); |
64 | |
|
65 | 0 | if( *serialized_string == NULL ) |
66 | 0 | { |
67 | 0 | libcerror_error_set( |
68 | 0 | error, |
69 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
70 | 0 | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
71 | 0 | "%s: unable to create serialized string.", |
72 | 0 | function ); |
73 | |
|
74 | 0 | goto on_error; |
75 | 0 | } |
76 | 0 | if( memory_set( |
77 | 0 | *serialized_string, |
78 | 0 | 0, |
79 | 0 | sizeof( libewf_serialized_string_t ) ) == NULL ) |
80 | 0 | { |
81 | 0 | libcerror_error_set( |
82 | 0 | error, |
83 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
84 | 0 | LIBCERROR_MEMORY_ERROR_SET_FAILED, |
85 | 0 | "%s: unable to clear serialized string.", |
86 | 0 | function ); |
87 | |
|
88 | 0 | goto on_error; |
89 | 0 | } |
90 | 0 | return( 1 ); |
91 | | |
92 | 0 | on_error: |
93 | 0 | if( *serialized_string != NULL ) |
94 | 0 | { |
95 | 0 | memory_free( |
96 | 0 | *serialized_string ); |
97 | |
|
98 | 0 | *serialized_string = NULL; |
99 | 0 | } |
100 | 0 | return( -1 ); |
101 | 0 | } |
102 | | |
103 | | /* Frees a serialized string |
104 | | * Returns 1 if successful or -1 on error |
105 | | */ |
106 | | int libewf_serialized_string_free( |
107 | | libewf_serialized_string_t **serialized_string, |
108 | | libcerror_error_t **error ) |
109 | 0 | { |
110 | 0 | static char *function = "libewf_serialized_string_free"; |
111 | |
|
112 | 0 | if( serialized_string == NULL ) |
113 | 0 | { |
114 | 0 | libcerror_error_set( |
115 | 0 | error, |
116 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
117 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
118 | 0 | "%s: invalid serialized string.", |
119 | 0 | function ); |
120 | |
|
121 | 0 | return( -1 ); |
122 | 0 | } |
123 | 0 | if( *serialized_string != NULL ) |
124 | 0 | { |
125 | 0 | if( ( *serialized_string )->data != NULL ) |
126 | 0 | { |
127 | 0 | memory_free( |
128 | 0 | ( *serialized_string )->data ); |
129 | 0 | } |
130 | 0 | memory_free( |
131 | 0 | *serialized_string ); |
132 | |
|
133 | 0 | *serialized_string = NULL; |
134 | 0 | } |
135 | 0 | return( 1 ); |
136 | 0 | } |
137 | | |
138 | | /* Clones the serialized string |
139 | | * Returns 1 if successful or -1 on error |
140 | | */ |
141 | | int libewf_serialized_string_clone( |
142 | | libewf_serialized_string_t **destination_serialized_string, |
143 | | libewf_serialized_string_t *source_serialized_string, |
144 | | libcerror_error_t **error ) |
145 | 0 | { |
146 | 0 | static char *function = "libewf_serialized_string_clone"; |
147 | |
|
148 | 0 | if( destination_serialized_string == NULL ) |
149 | 0 | { |
150 | 0 | libcerror_error_set( |
151 | 0 | error, |
152 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
153 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
154 | 0 | "%s: invalid destination serialized string.", |
155 | 0 | function ); |
156 | |
|
157 | 0 | return( -1 ); |
158 | 0 | } |
159 | 0 | if( *destination_serialized_string != NULL ) |
160 | 0 | { |
161 | 0 | libcerror_error_set( |
162 | 0 | error, |
163 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
164 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
165 | 0 | "%s: invalid destination serialized string value already set.", |
166 | 0 | function ); |
167 | |
|
168 | 0 | return( -1 ); |
169 | 0 | } |
170 | 0 | if( source_serialized_string == NULL ) |
171 | 0 | { |
172 | 0 | *destination_serialized_string = NULL; |
173 | |
|
174 | 0 | return( 1 ); |
175 | 0 | } |
176 | 0 | *destination_serialized_string = memory_allocate_structure( |
177 | 0 | libewf_serialized_string_t ); |
178 | |
|
179 | 0 | if( *destination_serialized_string == NULL ) |
180 | 0 | { |
181 | 0 | libcerror_error_set( |
182 | 0 | error, |
183 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
184 | 0 | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
185 | 0 | "%s: unable to create destination serialized string.", |
186 | 0 | function ); |
187 | |
|
188 | 0 | goto on_error; |
189 | 0 | } |
190 | 0 | if( memory_copy( |
191 | 0 | *destination_serialized_string, |
192 | 0 | source_serialized_string, |
193 | 0 | sizeof( libewf_serialized_string_t ) ) == NULL ) |
194 | 0 | { |
195 | 0 | libcerror_error_set( |
196 | 0 | error, |
197 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
198 | 0 | LIBCERROR_MEMORY_ERROR_COPY_FAILED, |
199 | 0 | "%s: unable to copy source to destination serialized string.", |
200 | 0 | function ); |
201 | |
|
202 | 0 | memory_free( |
203 | 0 | *destination_serialized_string ); |
204 | |
|
205 | 0 | *destination_serialized_string = NULL; |
206 | |
|
207 | 0 | return( -1 ); |
208 | 0 | } |
209 | 0 | ( *destination_serialized_string )->data = NULL; |
210 | |
|
211 | 0 | if( source_serialized_string->data != NULL ) |
212 | 0 | { |
213 | 0 | ( *destination_serialized_string )->data = (uint8_t *) memory_allocate( |
214 | 0 | sizeof( uint8_t ) * source_serialized_string->data_size ); |
215 | |
|
216 | 0 | if( ( *destination_serialized_string )->data == NULL ) |
217 | 0 | { |
218 | 0 | libcerror_error_set( |
219 | 0 | error, |
220 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
221 | 0 | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
222 | 0 | "%s: unable to create destination data.", |
223 | 0 | function ); |
224 | |
|
225 | 0 | goto on_error; |
226 | 0 | } |
227 | 0 | if( memory_copy( |
228 | 0 | ( *destination_serialized_string )->data, |
229 | 0 | source_serialized_string->data, |
230 | 0 | source_serialized_string->data_size ) == NULL ) |
231 | 0 | { |
232 | 0 | libcerror_error_set( |
233 | 0 | error, |
234 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
235 | 0 | LIBCERROR_MEMORY_ERROR_COPY_FAILED, |
236 | 0 | "%s: unable to copy source to destination data.", |
237 | 0 | function ); |
238 | |
|
239 | 0 | goto on_error; |
240 | 0 | } |
241 | 0 | ( *destination_serialized_string )->data_size = source_serialized_string->data_size; |
242 | 0 | } |
243 | 0 | return( 1 ); |
244 | | |
245 | 0 | on_error: |
246 | 0 | if( *destination_serialized_string != NULL ) |
247 | 0 | { |
248 | 0 | if( ( *destination_serialized_string )->data != NULL ) |
249 | 0 | { |
250 | 0 | memory_free( |
251 | 0 | ( *destination_serialized_string )->data ); |
252 | 0 | } |
253 | 0 | memory_free( |
254 | 0 | *destination_serialized_string ); |
255 | |
|
256 | 0 | *destination_serialized_string = NULL; |
257 | 0 | } |
258 | 0 | return( -1 ); |
259 | 0 | } |
260 | | |
261 | | /* Reads a serialized string |
262 | | * Returns 1 if successful or -1 on error |
263 | | */ |
264 | | int libewf_serialized_string_read_data( |
265 | | libewf_serialized_string_t *serialized_string, |
266 | | const uint8_t *data, |
267 | | size_t data_size, |
268 | | libcerror_error_t **error ) |
269 | 0 | { |
270 | 0 | static char *function = "libewf_serialized_string_read_data"; |
271 | |
|
272 | 0 | if( serialized_string == NULL ) |
273 | 0 | { |
274 | 0 | libcerror_error_set( |
275 | 0 | error, |
276 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
277 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
278 | 0 | "%s: invalid serialized string.", |
279 | 0 | function ); |
280 | |
|
281 | 0 | return( -1 ); |
282 | 0 | } |
283 | 0 | if( serialized_string->data != NULL ) |
284 | 0 | { |
285 | 0 | libcerror_error_set( |
286 | 0 | error, |
287 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
288 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
289 | 0 | "%s: invalid serialized string - data value already set.", |
290 | 0 | function ); |
291 | |
|
292 | 0 | return( -1 ); |
293 | 0 | } |
294 | 0 | if( data == NULL ) |
295 | 0 | { |
296 | 0 | libcerror_error_set( |
297 | 0 | error, |
298 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
299 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
300 | 0 | "%s: invalid data.", |
301 | 0 | function ); |
302 | |
|
303 | 0 | return( -1 ); |
304 | 0 | } |
305 | 0 | if( data_size > (size_t) MEMORY_MAXIMUM_ALLOCATION_SIZE ) |
306 | 0 | { |
307 | 0 | libcerror_error_set( |
308 | 0 | error, |
309 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
310 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS, |
311 | 0 | "%s: invalid data size value out of bounds.", |
312 | 0 | function ); |
313 | |
|
314 | 0 | return( -1 ); |
315 | 0 | } |
316 | 0 | if( ( data_size >= 1 ) |
317 | 0 | && ( data[ data_size - 1 ] == 0 ) ) |
318 | 0 | { |
319 | 0 | data_size -= 1; |
320 | 0 | } |
321 | 0 | serialized_string->data = (uint8_t *) memory_allocate( |
322 | 0 | sizeof( uint8_t ) * ( data_size + 1 ) ); |
323 | |
|
324 | 0 | if( serialized_string->data == NULL ) |
325 | 0 | { |
326 | 0 | libcerror_error_set( |
327 | 0 | error, |
328 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
329 | 0 | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
330 | 0 | "%s: unable to create data.", |
331 | 0 | function ); |
332 | |
|
333 | 0 | goto on_error; |
334 | 0 | } |
335 | 0 | serialized_string->data_size = data_size + 1; |
336 | |
|
337 | 0 | if( memory_copy( |
338 | 0 | serialized_string->data, |
339 | 0 | data, |
340 | 0 | data_size ) == NULL ) |
341 | 0 | { |
342 | 0 | libcerror_error_set( |
343 | 0 | error, |
344 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
345 | 0 | LIBCERROR_MEMORY_ERROR_COPY_FAILED, |
346 | 0 | "%s: unable to copy data to string.", |
347 | 0 | function ); |
348 | |
|
349 | 0 | goto on_error; |
350 | 0 | } |
351 | 0 | serialized_string->data[ data_size ] = 0; |
352 | |
|
353 | 0 | return( 1 ); |
354 | | |
355 | 0 | on_error: |
356 | 0 | if( serialized_string->data != NULL ) |
357 | 0 | { |
358 | 0 | memory_free( |
359 | 0 | serialized_string->data ); |
360 | |
|
361 | 0 | serialized_string->data = NULL; |
362 | 0 | } |
363 | 0 | serialized_string->data_size = 0; |
364 | |
|
365 | 0 | return( -1 ); |
366 | 0 | } |
367 | | |
368 | | /* Reads a hexadecimal serialized string |
369 | | * Returns 1 if successful or -1 on error |
370 | | */ |
371 | | int libewf_serialized_string_read_hexadecimal_data( |
372 | | libewf_serialized_string_t *serialized_string, |
373 | | const uint8_t *data, |
374 | | size_t data_size, |
375 | | libcerror_error_t **error ) |
376 | 0 | { |
377 | 0 | static char *function = "libewf_serialized_string_read_hexadecimal_data"; |
378 | 0 | size_t data_offset = 0; |
379 | 0 | int zero_values_only = 0; |
380 | |
|
381 | 0 | if( serialized_string == NULL ) |
382 | 0 | { |
383 | 0 | libcerror_error_set( |
384 | 0 | error, |
385 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
386 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
387 | 0 | "%s: invalid serialized string.", |
388 | 0 | function ); |
389 | |
|
390 | 0 | return( -1 ); |
391 | 0 | } |
392 | 0 | if( serialized_string->data != NULL ) |
393 | 0 | { |
394 | 0 | libcerror_error_set( |
395 | 0 | error, |
396 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
397 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
398 | 0 | "%s: invalid serialized string - data value already set.", |
399 | 0 | function ); |
400 | |
|
401 | 0 | return( -1 ); |
402 | 0 | } |
403 | 0 | if( data == NULL ) |
404 | 0 | { |
405 | 0 | libcerror_error_set( |
406 | 0 | error, |
407 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
408 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
409 | 0 | "%s: invalid data.", |
410 | 0 | function ); |
411 | |
|
412 | 0 | return( -1 ); |
413 | 0 | } |
414 | 0 | if( data_size > (size_t) MEMORY_MAXIMUM_ALLOCATION_SIZE ) |
415 | 0 | { |
416 | 0 | libcerror_error_set( |
417 | 0 | error, |
418 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
419 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS, |
420 | 0 | "%s: invalid data size value out of bounds.", |
421 | 0 | function ); |
422 | |
|
423 | 0 | return( -1 ); |
424 | 0 | } |
425 | 0 | if( ( data_size >= 1 ) |
426 | 0 | && ( data[ data_size - 1 ] == 0 ) ) |
427 | 0 | { |
428 | 0 | data_size -= 1; |
429 | 0 | } |
430 | 0 | serialized_string->data = (uint8_t *) memory_allocate( |
431 | 0 | sizeof( uint8_t ) * ( data_size + 1 ) ); |
432 | |
|
433 | 0 | if( serialized_string->data == NULL ) |
434 | 0 | { |
435 | 0 | libcerror_error_set( |
436 | 0 | error, |
437 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
438 | 0 | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
439 | 0 | "%s: unable to create data.", |
440 | 0 | function ); |
441 | |
|
442 | 0 | goto on_error; |
443 | 0 | } |
444 | 0 | serialized_string->data_size = data_size + 1; |
445 | |
|
446 | 0 | zero_values_only = 1; |
447 | |
|
448 | 0 | for( data_offset = 0; |
449 | 0 | data_offset < data_size; |
450 | 0 | data_offset++ ) |
451 | 0 | { |
452 | 0 | if( data[ data_offset ] != (uint8_t) '0' ) |
453 | 0 | { |
454 | 0 | zero_values_only = 0; |
455 | 0 | } |
456 | 0 | if( ( data[ data_offset ] >= (uint8_t) '0' ) |
457 | 0 | && ( data[ data_offset ] <= (uint8_t) '9' ) ) |
458 | 0 | { |
459 | 0 | serialized_string->data[ data_offset ] = data[ data_offset ]; |
460 | 0 | } |
461 | 0 | else if( ( data[ data_offset ] >= (uint8_t) 'A' ) |
462 | 0 | && ( data[ data_offset ] <= (uint8_t) 'F' ) ) |
463 | 0 | { |
464 | 0 | serialized_string->data[ data_offset ] = (uint8_t) ( 'a' - 'A' ) + data[ data_offset ]; |
465 | 0 | } |
466 | 0 | else if( ( data[ data_offset ] >= (uint8_t) 'a' ) |
467 | 0 | && ( data[ data_offset ] <= (uint8_t) 'f' ) ) |
468 | 0 | { |
469 | 0 | serialized_string->data[ data_offset ] = data[ data_offset ]; |
470 | 0 | } |
471 | 0 | else |
472 | 0 | { |
473 | 0 | libcerror_error_set( |
474 | 0 | error, |
475 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
476 | 0 | LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE, |
477 | 0 | "%s: unsupported character in hexadecimal string.", |
478 | 0 | function ); |
479 | |
|
480 | 0 | goto on_error; |
481 | 0 | } |
482 | 0 | } |
483 | 0 | serialized_string->data[ data_offset ] = 0; |
484 | |
|
485 | 0 | if( zero_values_only != 0 ) |
486 | 0 | { |
487 | 0 | memory_free( |
488 | 0 | serialized_string->data ); |
489 | |
|
490 | 0 | serialized_string->data = NULL; |
491 | 0 | serialized_string->data_size = 0; |
492 | 0 | } |
493 | 0 | return( 1 ); |
494 | | |
495 | 0 | on_error: |
496 | 0 | if( serialized_string->data != NULL ) |
497 | 0 | { |
498 | 0 | memory_free( |
499 | 0 | serialized_string->data ); |
500 | |
|
501 | 0 | serialized_string->data = NULL; |
502 | 0 | } |
503 | 0 | serialized_string->data_size = 0; |
504 | |
|
505 | 0 | return( -1 ); |
506 | 0 | } |
507 | | |
508 | | /* Retrieves the size of the UTF-8 encoded string |
509 | | * The returned size includes the end of string character |
510 | | * Returns 1 if successful, 0 if data is not set or -1 on error |
511 | | */ |
512 | | int libewf_serialized_string_get_utf8_string_size( |
513 | | libewf_serialized_string_t *serialized_string, |
514 | | size_t *utf8_string_size, |
515 | | libcerror_error_t **error ) |
516 | 0 | { |
517 | 0 | static char *function = "libewf_serialized_string_get_utf8_string_size"; |
518 | |
|
519 | 0 | if( serialized_string == NULL ) |
520 | 0 | { |
521 | 0 | libcerror_error_set( |
522 | 0 | error, |
523 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
524 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
525 | 0 | "%s: invalid serialized string.", |
526 | 0 | function ); |
527 | |
|
528 | 0 | return( -1 ); |
529 | 0 | } |
530 | 0 | if( utf8_string_size == NULL ) |
531 | 0 | { |
532 | 0 | libcerror_error_set( |
533 | 0 | error, |
534 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
535 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
536 | 0 | "%s: invalid UTF-8 string size.", |
537 | 0 | function ); |
538 | |
|
539 | 0 | return( -1 ); |
540 | 0 | } |
541 | 0 | if( ( serialized_string->data == NULL ) |
542 | 0 | || ( serialized_string->data_size == 0 ) ) |
543 | 0 | { |
544 | 0 | *utf8_string_size = 0; |
545 | |
|
546 | 0 | return( 0 ); |
547 | 0 | } |
548 | 0 | *utf8_string_size = serialized_string->data_size; |
549 | |
|
550 | 0 | return( 1 ); |
551 | 0 | } |
552 | | |
553 | | /* Retrieves the UTF-8 encoded string value |
554 | | * The size should include the end of string character |
555 | | * Returns 1 if successful, 0 if data is not set or -1 on error |
556 | | */ |
557 | | int libewf_serialized_string_get_utf8_string( |
558 | | libewf_serialized_string_t *serialized_string, |
559 | | uint8_t *utf8_string, |
560 | | size_t utf8_string_size, |
561 | | libcerror_error_t **error ) |
562 | 0 | { |
563 | 0 | static char *function = "libewf_serialized_string_get_utf8_string"; |
564 | |
|
565 | 0 | if( serialized_string == NULL ) |
566 | 0 | { |
567 | 0 | libcerror_error_set( |
568 | 0 | error, |
569 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
570 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
571 | 0 | "%s: invalid serialized string.", |
572 | 0 | function ); |
573 | |
|
574 | 0 | return( -1 ); |
575 | 0 | } |
576 | 0 | if( utf8_string == NULL ) |
577 | 0 | { |
578 | 0 | libcerror_error_set( |
579 | 0 | error, |
580 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
581 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
582 | 0 | "%s: invalid UTF-8 string.", |
583 | 0 | function ); |
584 | |
|
585 | 0 | return( -1 ); |
586 | 0 | } |
587 | 0 | if( utf8_string_size > (size_t) SSIZE_MAX ) |
588 | 0 | { |
589 | 0 | libcerror_error_set( |
590 | 0 | error, |
591 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
592 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
593 | 0 | "%s: invalid UTF-8 string size value exceeds maximum.", |
594 | 0 | function ); |
595 | |
|
596 | 0 | return( -1 ); |
597 | 0 | } |
598 | 0 | if( ( serialized_string->data == NULL ) |
599 | 0 | || ( serialized_string->data_size == 0 ) ) |
600 | 0 | { |
601 | 0 | if( utf8_string_size < 1 ) |
602 | 0 | { |
603 | 0 | libcerror_error_set( |
604 | 0 | error, |
605 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
606 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL, |
607 | 0 | "%s: invalid UTF-8 string size value too small.", |
608 | 0 | function ); |
609 | |
|
610 | 0 | return( -1 ); |
611 | 0 | } |
612 | 0 | utf8_string[ 0 ] = 0; |
613 | |
|
614 | 0 | return( 0 ); |
615 | 0 | } |
616 | 0 | if( utf8_string_size < serialized_string->data_size ) |
617 | 0 | { |
618 | 0 | libcerror_error_set( |
619 | 0 | error, |
620 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
621 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL, |
622 | 0 | "%s: invalid UTF-8 string size value too small.", |
623 | 0 | function ); |
624 | |
|
625 | 0 | return( -1 ); |
626 | 0 | } |
627 | 0 | if( memory_copy( |
628 | 0 | utf8_string, |
629 | 0 | serialized_string->data, |
630 | 0 | serialized_string->data_size ) == NULL ) |
631 | 0 | { |
632 | 0 | libcerror_error_set( |
633 | 0 | error, |
634 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
635 | 0 | LIBCERROR_MEMORY_ERROR_COPY_FAILED, |
636 | 0 | "%s: unable to set UTF-8 string.", |
637 | 0 | function ); |
638 | |
|
639 | 0 | return( -1 ); |
640 | 0 | } |
641 | 0 | return( 1 ); |
642 | 0 | } |
643 | | |
644 | | /* Retrieves the size of the UTF-16 encoded string |
645 | | * The returned size includes the end of string character |
646 | | * Returns 1 if successful, 0 if data is not set or -1 on error |
647 | | */ |
648 | | int libewf_serialized_string_get_utf16_string_size( |
649 | | libewf_serialized_string_t *serialized_string, |
650 | | size_t *utf16_string_size, |
651 | | libcerror_error_t **error ) |
652 | 0 | { |
653 | 0 | static char *function = "libewf_serialized_string_get_utf16_string_size"; |
654 | |
|
655 | 0 | if( serialized_string == NULL ) |
656 | 0 | { |
657 | 0 | libcerror_error_set( |
658 | 0 | error, |
659 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
660 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
661 | 0 | "%s: invalid serialized string.", |
662 | 0 | function ); |
663 | |
|
664 | 0 | return( -1 ); |
665 | 0 | } |
666 | 0 | if( utf16_string_size == NULL ) |
667 | 0 | { |
668 | 0 | libcerror_error_set( |
669 | 0 | error, |
670 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
671 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
672 | 0 | "%s: invalid UTF-16 string size.", |
673 | 0 | function ); |
674 | |
|
675 | 0 | return( -1 ); |
676 | 0 | } |
677 | 0 | if( ( serialized_string->data == NULL ) |
678 | 0 | || ( serialized_string->data_size == 0 ) ) |
679 | 0 | { |
680 | 0 | *utf16_string_size = 0; |
681 | |
|
682 | 0 | return( 0 ); |
683 | 0 | } |
684 | 0 | if( libuna_utf16_string_size_from_utf8( |
685 | 0 | serialized_string->data, |
686 | 0 | serialized_string->data_size, |
687 | 0 | utf16_string_size, |
688 | 0 | error ) != 1 ) |
689 | 0 | { |
690 | 0 | libcerror_error_set( |
691 | 0 | error, |
692 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
693 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
694 | 0 | "%s: unable to retrieve UTF-16 string size.", |
695 | 0 | function ); |
696 | |
|
697 | 0 | return( -1 ); |
698 | 0 | } |
699 | 0 | return( 1 ); |
700 | 0 | } |
701 | | |
702 | | /* Retrieves the UTF-16 encoded string value |
703 | | * The size should include the end of string character |
704 | | * Returns 1 if successful, 0 if data is not set or -1 on error |
705 | | */ |
706 | | int libewf_serialized_string_get_utf16_string( |
707 | | libewf_serialized_string_t *serialized_string, |
708 | | uint16_t *utf16_string, |
709 | | size_t utf16_string_size, |
710 | | libcerror_error_t **error ) |
711 | 0 | { |
712 | 0 | static char *function = "libewf_serialized_string_get_utf16_string"; |
713 | |
|
714 | 0 | if( serialized_string == NULL ) |
715 | 0 | { |
716 | 0 | libcerror_error_set( |
717 | 0 | error, |
718 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
719 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
720 | 0 | "%s: invalid serialized string.", |
721 | 0 | function ); |
722 | |
|
723 | 0 | return( -1 ); |
724 | 0 | } |
725 | 0 | if( utf16_string == NULL ) |
726 | 0 | { |
727 | 0 | libcerror_error_set( |
728 | 0 | error, |
729 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
730 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
731 | 0 | "%s: invalid UTF-16 string.", |
732 | 0 | function ); |
733 | |
|
734 | 0 | return( -1 ); |
735 | 0 | } |
736 | 0 | if( utf16_string_size > (size_t) SSIZE_MAX ) |
737 | 0 | { |
738 | 0 | libcerror_error_set( |
739 | 0 | error, |
740 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
741 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
742 | 0 | "%s: invalid UTF-16 string size value exceeds maximum.", |
743 | 0 | function ); |
744 | |
|
745 | 0 | return( -1 ); |
746 | 0 | } |
747 | 0 | if( ( serialized_string->data == NULL ) |
748 | 0 | || ( serialized_string->data_size == 0 ) ) |
749 | 0 | { |
750 | 0 | if( utf16_string_size < 1 ) |
751 | 0 | { |
752 | 0 | libcerror_error_set( |
753 | 0 | error, |
754 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
755 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL, |
756 | 0 | "%s: invalid UTF-16 string size value too small.", |
757 | 0 | function ); |
758 | |
|
759 | 0 | return( -1 ); |
760 | 0 | } |
761 | 0 | utf16_string[ 0 ] = 0; |
762 | |
|
763 | 0 | return( 0 ); |
764 | 0 | } |
765 | 0 | if( libuna_utf16_string_copy_from_utf8( |
766 | 0 | utf16_string, |
767 | 0 | utf16_string_size, |
768 | 0 | serialized_string->data, |
769 | 0 | serialized_string->data_size, |
770 | 0 | error ) != 1 ) |
771 | 0 | { |
772 | 0 | libcerror_error_set( |
773 | 0 | error, |
774 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
775 | 0 | LIBCERROR_RUNTIME_ERROR_COPY_FAILED, |
776 | 0 | "%s: unable to copy string to UTF-16 string.", |
777 | 0 | function ); |
778 | |
|
779 | 0 | return( -1 ); |
780 | 0 | } |
781 | 0 | return( 1 ); |
782 | 0 | } |
783 | | |
784 | | /* Compares an UTF-8 string with a serialized string |
785 | | * Returns LIBUNA_COMPARE_LESS, LIBUNA_COMPARE_EQUAL, LIBUNA_COMPARE_GREATER if successful or -1 on error |
786 | | */ |
787 | | int libewf_serialized_string_compare_with_utf8_string( |
788 | | libewf_serialized_string_t *serialized_string, |
789 | | const uint8_t *utf8_string, |
790 | | size_t utf8_string_length, |
791 | | libcerror_error_t **error ) |
792 | 0 | { |
793 | 0 | static char *function = "libewf_serialized_string_compare_with_utf8_string"; |
794 | 0 | int result = 0; |
795 | |
|
796 | 0 | if( serialized_string == NULL ) |
797 | 0 | { |
798 | 0 | libcerror_error_set( |
799 | 0 | error, |
800 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
801 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
802 | 0 | "%s: invalid serialized string.", |
803 | 0 | function ); |
804 | |
|
805 | 0 | return( -1 ); |
806 | 0 | } |
807 | 0 | if( ( serialized_string->data == NULL ) |
808 | 0 | || ( serialized_string->data_size == 0 ) ) |
809 | 0 | { |
810 | 0 | result = LIBUNA_COMPARE_GREATER; |
811 | 0 | } |
812 | 0 | else |
813 | 0 | { |
814 | 0 | result = libuna_utf8_string_compare_with_utf8_stream( |
815 | 0 | utf8_string, |
816 | 0 | utf8_string_length, |
817 | 0 | serialized_string->data, |
818 | 0 | serialized_string->data_size, |
819 | 0 | error ); |
820 | 0 | } |
821 | 0 | if( result == -1 ) |
822 | 0 | { |
823 | 0 | libcerror_error_set( |
824 | 0 | error, |
825 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
826 | 0 | LIBCERROR_RUNTIME_ERROR_GENERIC, |
827 | 0 | "%s: unable to compare serialize string with UTF-8 string.", |
828 | 0 | function ); |
829 | |
|
830 | 0 | return( -1 ); |
831 | 0 | } |
832 | 0 | return( result ); |
833 | 0 | } |
834 | | |
835 | | /* Compares an UTF-16 string with a serialized string |
836 | | * Returns LIBUNA_COMPARE_LESS, LIBUNA_COMPARE_EQUAL, LIBUNA_COMPARE_GREATER if successful or -1 on error |
837 | | */ |
838 | | int libewf_serialized_string_compare_with_utf16_string( |
839 | | libewf_serialized_string_t *serialized_string, |
840 | | const uint16_t *utf16_string, |
841 | | size_t utf16_string_length, |
842 | | libcerror_error_t **error ) |
843 | 0 | { |
844 | 0 | static char *function = "libewf_serialized_string_compare_with_utf16_string"; |
845 | 0 | int result = 0; |
846 | |
|
847 | 0 | if( serialized_string == NULL ) |
848 | 0 | { |
849 | 0 | libcerror_error_set( |
850 | 0 | error, |
851 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
852 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
853 | 0 | "%s: invalid serialized string.", |
854 | 0 | function ); |
855 | |
|
856 | 0 | return( -1 ); |
857 | 0 | } |
858 | 0 | if( ( serialized_string->data == NULL ) |
859 | 0 | || ( serialized_string->data_size == 0 ) ) |
860 | 0 | { |
861 | 0 | result = LIBUNA_COMPARE_GREATER; |
862 | 0 | } |
863 | 0 | else |
864 | 0 | { |
865 | 0 | result = libuna_utf16_string_compare_with_utf8_stream( |
866 | 0 | utf16_string, |
867 | 0 | utf16_string_length, |
868 | 0 | serialized_string->data, |
869 | 0 | serialized_string->data_size, |
870 | 0 | error ); |
871 | 0 | } |
872 | 0 | if( result == -1 ) |
873 | 0 | { |
874 | 0 | libcerror_error_set( |
875 | 0 | error, |
876 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
877 | 0 | LIBCERROR_RUNTIME_ERROR_GENERIC, |
878 | 0 | "%s: unable to compare serialize string with UTF-16 string.", |
879 | 0 | function ); |
880 | |
|
881 | 0 | return( -1 ); |
882 | 0 | } |
883 | 0 | return( result ); |
884 | 0 | } |
885 | | |