/src/libfsfat/libcpath/libcpath_path.c
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1 | | /* |
2 | | * Path functions |
3 | | * |
4 | | * Copyright (C) 2008-2024, 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 <narrow_string.h> |
25 | | #include <types.h> |
26 | | #include <wide_string.h> |
27 | | |
28 | | #if defined( WINAPI ) && ( WINVER <= 0x0500 ) |
29 | | #include <system_string.h> |
30 | | #endif |
31 | | |
32 | | #if defined( HAVE_ERRNO_H ) |
33 | | #include <errno.h> |
34 | | #endif |
35 | | |
36 | | #if defined( HAVE_SYS_STAT_H ) |
37 | | #include <sys/stat.h> |
38 | | #endif |
39 | | |
40 | | #if defined( HAVE_LIMITS_H ) || defined( WINAPI ) |
41 | | /* Include for PATH_MAX */ |
42 | | #include <limits.h> |
43 | | #endif |
44 | | |
45 | | #if defined( HAVE_UNISTD_H ) |
46 | | #include <unistd.h> |
47 | | #endif |
48 | | |
49 | | #include "libcpath_definitions.h" |
50 | | #include "libcpath_libcerror.h" |
51 | | #include "libcpath_libcsplit.h" |
52 | | #include "libcpath_path.h" |
53 | | #include "libcpath_system_string.h" |
54 | | |
55 | | #if defined( WINAPI ) && ( WINVER <= 0x0500 ) |
56 | | |
57 | | /* Cross Windows safe version of CloseHandle |
58 | | * Returns TRUE if successful or FALSE on error |
59 | | */ |
60 | | BOOL libcpath_CloseHandle( |
61 | | HANDLE file_handle ) |
62 | | { |
63 | | FARPROC function = NULL; |
64 | | HMODULE library_handle = NULL; |
65 | | BOOL result = FALSE; |
66 | | |
67 | | if( file_handle == NULL ) |
68 | | { |
69 | | return( FALSE ); |
70 | | } |
71 | | library_handle = LoadLibrary( |
72 | | _SYSTEM_STRING( "kernel32.dll" ) ); |
73 | | |
74 | | if( library_handle == NULL ) |
75 | | { |
76 | | return( FALSE ); |
77 | | } |
78 | | function = GetProcAddress( |
79 | | library_handle, |
80 | | (LPCSTR) "CloseHandle" ); |
81 | | |
82 | | if( function != NULL ) |
83 | | { |
84 | | result = function( |
85 | | file_handle ); |
86 | | } |
87 | | /* This call should be after using the function |
88 | | * in most cases kernel32.dll will still be available after free |
89 | | */ |
90 | | if( FreeLibrary( |
91 | | library_handle ) != TRUE ) |
92 | | { |
93 | | result = FALSE; |
94 | | } |
95 | | return( result ); |
96 | | } |
97 | | |
98 | | #endif /* defined( WINAPI ) && ( WINVER <= 0x0500 ) */ |
99 | | |
100 | | #if defined( WINAPI ) && ( WINVER <= 0x0500 ) |
101 | | |
102 | | /* Cross Windows safe version of SetCurrentDirectoryA |
103 | | * Returns TRUE if successful or FALSE on error |
104 | | */ |
105 | | BOOL libcpath_SetCurrentDirectoryA( |
106 | | LPCSTR path ) |
107 | | { |
108 | | FARPROC function = NULL; |
109 | | HMODULE library_handle = NULL; |
110 | | BOOL result = FALSE; |
111 | | |
112 | | if( path == NULL ) |
113 | | { |
114 | | return( FALSE ); |
115 | | } |
116 | | library_handle = LoadLibrary( |
117 | | _SYSTEM_STRING( "kernel32.dll" ) ); |
118 | | |
119 | | if( library_handle == NULL ) |
120 | | { |
121 | | return( FALSE ); |
122 | | } |
123 | | function = GetProcAddress( |
124 | | library_handle, |
125 | | (LPCSTR) "SetCurrentDirectoryA" ); |
126 | | |
127 | | if( function != NULL ) |
128 | | { |
129 | | result = function( |
130 | | path ); |
131 | | } |
132 | | /* This call should be after using the function |
133 | | * in most cases kernel32.dll will still be available after free |
134 | | */ |
135 | | if( FreeLibrary( |
136 | | library_handle ) != TRUE ) |
137 | | { |
138 | | libcpath_CloseHandle( |
139 | | library_handle ); |
140 | | |
141 | | return( FALSE ); |
142 | | } |
143 | | return( result ); |
144 | | } |
145 | | |
146 | | #endif /* defined( WINAPI ) && ( WINVER <= 0x0500 ) */ |
147 | | |
148 | | #if defined( WINAPI ) |
149 | | |
150 | | /* Changes the directory |
151 | | * This function uses the WINAPI function for Windows XP (0x0501) or later |
152 | | * or tries to dynamically call the function for Windows 2000 (0x0500) or earlier |
153 | | * Returns 1 if successful or -1 on error |
154 | | */ |
155 | | int libcpath_path_change_directory( |
156 | | const char *directory_name, |
157 | | libcerror_error_t **error ) |
158 | | { |
159 | | static char *function = "libcpath_path_change_directory"; |
160 | | DWORD error_code = 0; |
161 | | |
162 | | if( directory_name == NULL ) |
163 | | { |
164 | | libcerror_error_set( |
165 | | error, |
166 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
167 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
168 | | "%s: invalid directory name.", |
169 | | function ); |
170 | | |
171 | | return( -1 ); |
172 | | } |
173 | | #if defined( WINAPI ) && ( WINVER <= 0x0500 ) |
174 | | if( libcpath_SetCurrentDirectoryA( |
175 | | directory_name ) == 0 ) |
176 | | #else |
177 | | if( SetCurrentDirectoryA( |
178 | | directory_name ) == 0 ) |
179 | | #endif |
180 | | { |
181 | | error_code = GetLastError(); |
182 | | |
183 | | libcerror_system_set_error( |
184 | | error, |
185 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
186 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
187 | | error_code, |
188 | | "%s: unable to change directory.", |
189 | | function ); |
190 | | |
191 | | return( -1 ); |
192 | | } |
193 | | return( 1 ); |
194 | | } |
195 | | |
196 | | #elif defined( HAVE_CHDIR ) |
197 | | |
198 | | /* Changes the directory |
199 | | * This function uses the POSIX chdir function or equivalent |
200 | | * Returns 1 if successful or -1 on error |
201 | | */ |
202 | | int libcpath_path_change_directory( |
203 | | const char *directory_name, |
204 | | libcerror_error_t **error ) |
205 | 0 | { |
206 | 0 | static char *function = "libcpath_path_change_directory"; |
207 | |
|
208 | 0 | if( directory_name == NULL ) |
209 | 0 | { |
210 | 0 | libcerror_error_set( |
211 | 0 | error, |
212 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
213 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
214 | 0 | "%s: invalid directory name.", |
215 | 0 | function ); |
216 | |
|
217 | 0 | return( -1 ); |
218 | 0 | } |
219 | 0 | if( chdir( |
220 | 0 | directory_name ) != 0 ) |
221 | 0 | { |
222 | 0 | libcerror_system_set_error( |
223 | 0 | error, |
224 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
225 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
226 | 0 | errno, |
227 | 0 | "%s: unable to change directory.", |
228 | 0 | function ); |
229 | |
|
230 | 0 | return( -1 ); |
231 | 0 | } |
232 | 0 | return( 1 ); |
233 | 0 | } |
234 | | |
235 | | #else |
236 | | #error Missing change directory function |
237 | | #endif |
238 | | |
239 | | #if defined( WINAPI ) && ( WINVER <= 0x0500 ) |
240 | | |
241 | | /* Cross Windows safe version of GetCurrentDirectoryA |
242 | | * Returns the number of characters in the current directory string or 0 on error |
243 | | */ |
244 | | DWORD libcpath_GetCurrentDirectoryA( |
245 | | DWORD buffer_size, |
246 | | LPCSTR buffer ) |
247 | | { |
248 | | FARPROC function = NULL; |
249 | | HMODULE library_handle = NULL; |
250 | | DWORD result = 0; |
251 | | |
252 | | library_handle = LoadLibrary( |
253 | | _SYSTEM_STRING( "kernel32.dll" ) ); |
254 | | |
255 | | if( library_handle == NULL ) |
256 | | { |
257 | | return( 0 ); |
258 | | } |
259 | | function = GetProcAddress( |
260 | | library_handle, |
261 | | (LPCSTR) "GetCurrentDirectoryA" ); |
262 | | |
263 | | if( function != NULL ) |
264 | | { |
265 | | result = function( |
266 | | buffer_size, |
267 | | buffer ); |
268 | | } |
269 | | /* This call should be after using the function |
270 | | * in most cases kernel32.dll will still be available after free |
271 | | */ |
272 | | if( FreeLibrary( |
273 | | library_handle ) != TRUE ) |
274 | | { |
275 | | libcpath_CloseHandle( |
276 | | library_handle ); |
277 | | |
278 | | return( 0 ); |
279 | | } |
280 | | return( result ); |
281 | | } |
282 | | |
283 | | #endif /* defined( WINAPI ) && ( WINVER <= 0x0500 ) */ |
284 | | |
285 | | #if defined( WINAPI ) |
286 | | |
287 | | /* Retrieves the current working directory |
288 | | * This function uses the WINAPI function for Windows XP (0x0501) or later |
289 | | * or tries to dynamically call the function for Windows 2000 (0x0500) or earlier |
290 | | * Returns 1 if successful or -1 on error |
291 | | */ |
292 | | int libcpath_path_get_current_working_directory( |
293 | | char **current_working_directory, |
294 | | size_t *current_working_directory_size, |
295 | | libcerror_error_t **error ) |
296 | | { |
297 | | static char *function = "libcpath_path_get_current_working_directory"; |
298 | | DWORD safe_current_working_directory_size = 0; |
299 | | DWORD error_code = 0; |
300 | | |
301 | | if( current_working_directory == NULL ) |
302 | | { |
303 | | libcerror_error_set( |
304 | | error, |
305 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
306 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
307 | | "%s: invalid current working directory.", |
308 | | function ); |
309 | | |
310 | | return( -1 ); |
311 | | } |
312 | | if( *current_working_directory != NULL ) |
313 | | { |
314 | | libcerror_error_set( |
315 | | error, |
316 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
317 | | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
318 | | "%s: invalid current working directory value already set.", |
319 | | function ); |
320 | | |
321 | | return( -1 ); |
322 | | } |
323 | | if( current_working_directory_size == NULL ) |
324 | | { |
325 | | libcerror_error_set( |
326 | | error, |
327 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
328 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
329 | | "%s: invalid current working directory size.", |
330 | | function ); |
331 | | |
332 | | return( -1 ); |
333 | | } |
334 | | #if defined( WINAPI ) && ( WINVER <= 0x0500 ) |
335 | | safe_current_working_directory_size = libcpath_GetCurrentDirectoryA( |
336 | | 0, |
337 | | NULL ); |
338 | | #else |
339 | | safe_current_working_directory_size = GetCurrentDirectoryA( |
340 | | 0, |
341 | | NULL ); |
342 | | #endif |
343 | | if( safe_current_working_directory_size == 0 ) |
344 | | { |
345 | | libcerror_error_set( |
346 | | error, |
347 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
348 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
349 | | "%s: unable to retrieve current working directory size.", |
350 | | function ); |
351 | | |
352 | | goto on_error; |
353 | | } |
354 | | if( (size_t) safe_current_working_directory_size > (size_t) SSIZE_MAX ) |
355 | | { |
356 | | libcerror_error_set( |
357 | | error, |
358 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
359 | | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
360 | | "%s: current working directory size value out of bounds.", |
361 | | function ); |
362 | | |
363 | | goto on_error; |
364 | | } |
365 | | *current_working_directory_size = (size_t) safe_current_working_directory_size; |
366 | | |
367 | | *current_working_directory = narrow_string_allocate( |
368 | | *current_working_directory_size ); |
369 | | |
370 | | if( *current_working_directory == NULL ) |
371 | | { |
372 | | libcerror_error_set( |
373 | | error, |
374 | | LIBCERROR_ERROR_DOMAIN_MEMORY, |
375 | | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
376 | | "%s: unable to create current working directory.", |
377 | | function ); |
378 | | |
379 | | goto on_error; |
380 | | } |
381 | | if( memory_set( |
382 | | *current_working_directory, |
383 | | 0, |
384 | | sizeof( char ) * *current_working_directory_size ) == NULL ) |
385 | | { |
386 | | libcerror_error_set( |
387 | | error, |
388 | | LIBCERROR_ERROR_DOMAIN_MEMORY, |
389 | | LIBCERROR_MEMORY_ERROR_SET_FAILED, |
390 | | "%s: unable to clear current working directory.", |
391 | | function ); |
392 | | |
393 | | goto on_error; |
394 | | } |
395 | | #if defined( WINAPI ) && ( WINVER <= 0x0500 ) |
396 | | if( libcpath_GetCurrentDirectoryA( |
397 | | safe_current_working_directory_size, |
398 | | *current_working_directory ) != ( safe_current_working_directory_size - 1 ) ) |
399 | | #else |
400 | | if( GetCurrentDirectoryA( |
401 | | safe_current_working_directory_size, |
402 | | *current_working_directory ) != ( safe_current_working_directory_size - 1 ) ) |
403 | | #endif |
404 | | { |
405 | | error_code = GetLastError(); |
406 | | |
407 | | libcerror_system_set_error( |
408 | | error, |
409 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
410 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
411 | | error_code, |
412 | | "%s: unable to retrieve current working directory.", |
413 | | function ); |
414 | | |
415 | | goto on_error; |
416 | | } |
417 | | return( 1 ); |
418 | | |
419 | | on_error: |
420 | | if( *current_working_directory != NULL ) |
421 | | { |
422 | | memory_free( |
423 | | *current_working_directory ); |
424 | | |
425 | | *current_working_directory = NULL; |
426 | | } |
427 | | *current_working_directory_size = 0; |
428 | | |
429 | | return( -1 ); |
430 | | } |
431 | | |
432 | | #elif defined( HAVE_GETCWD ) |
433 | | |
434 | | /* Retrieves the current working directory |
435 | | * This function uses the POSIX getcwd function or equivalent |
436 | | * Returns 1 if successful or -1 on error |
437 | | */ |
438 | | int libcpath_path_get_current_working_directory( |
439 | | char **current_working_directory, |
440 | | size_t *current_working_directory_size, |
441 | | libcerror_error_t **error ) |
442 | 0 | { |
443 | 0 | static char *function = "libcpath_path_get_current_working_directory"; |
444 | |
|
445 | 0 | if( current_working_directory == NULL ) |
446 | 0 | { |
447 | 0 | libcerror_error_set( |
448 | 0 | error, |
449 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
450 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
451 | 0 | "%s: invalid current working directory.", |
452 | 0 | function ); |
453 | |
|
454 | 0 | return( -1 ); |
455 | 0 | } |
456 | 0 | if( *current_working_directory != NULL ) |
457 | 0 | { |
458 | 0 | libcerror_error_set( |
459 | 0 | error, |
460 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
461 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
462 | 0 | "%s: invalid current working directory value already set.", |
463 | 0 | function ); |
464 | |
|
465 | 0 | return( -1 ); |
466 | 0 | } |
467 | 0 | if( current_working_directory_size == NULL ) |
468 | 0 | { |
469 | 0 | libcerror_error_set( |
470 | 0 | error, |
471 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
472 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
473 | 0 | "%s: invalid current working directory size.", |
474 | 0 | function ); |
475 | |
|
476 | 0 | return( -1 ); |
477 | 0 | } |
478 | 0 | *current_working_directory_size = (size_t) PATH_MAX; |
479 | |
|
480 | 0 | *current_working_directory = narrow_string_allocate( |
481 | 0 | *current_working_directory_size ); |
482 | |
|
483 | 0 | if( *current_working_directory == NULL ) |
484 | 0 | { |
485 | 0 | libcerror_error_set( |
486 | 0 | error, |
487 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
488 | 0 | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
489 | 0 | "%s: unable to create current working directory.", |
490 | 0 | function ); |
491 | |
|
492 | 0 | goto on_error; |
493 | 0 | } |
494 | 0 | if( memory_set( |
495 | 0 | *current_working_directory, |
496 | 0 | 0, |
497 | 0 | sizeof( char ) * *current_working_directory_size ) == NULL ) |
498 | 0 | { |
499 | 0 | libcerror_error_set( |
500 | 0 | error, |
501 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
502 | 0 | LIBCERROR_MEMORY_ERROR_SET_FAILED, |
503 | 0 | "%s: unable to clear current working directory.", |
504 | 0 | function ); |
505 | |
|
506 | 0 | goto on_error; |
507 | 0 | } |
508 | 0 | if( getcwd( |
509 | 0 | *current_working_directory, |
510 | 0 | *current_working_directory_size ) == NULL ) |
511 | 0 | { |
512 | 0 | libcerror_system_set_error( |
513 | 0 | error, |
514 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
515 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
516 | 0 | errno, |
517 | 0 | "%s: unable to retrieve current working directory.", |
518 | 0 | function ); |
519 | |
|
520 | 0 | goto on_error; |
521 | 0 | } |
522 | 0 | return( 1 ); |
523 | | |
524 | 0 | on_error: |
525 | 0 | if( *current_working_directory != NULL ) |
526 | 0 | { |
527 | 0 | memory_free( |
528 | 0 | *current_working_directory ); |
529 | |
|
530 | 0 | *current_working_directory = NULL; |
531 | 0 | } |
532 | 0 | *current_working_directory_size = 0; |
533 | |
|
534 | 0 | return( -1 ); |
535 | 0 | } |
536 | | |
537 | | #else |
538 | | #error Missing get current working directory function |
539 | | #endif |
540 | | |
541 | | #if defined( WINAPI ) |
542 | | |
543 | | /* Determines the path type |
544 | | * Returns 1 if succesful or -1 on error |
545 | | */ |
546 | | int libcpath_path_get_path_type( |
547 | | const char *path, |
548 | | size_t path_length, |
549 | | uint8_t *path_type, |
550 | | libcerror_error_t **error ) |
551 | | { |
552 | | static char *function = "libcpath_path_get_path_type"; |
553 | | |
554 | | if( path == NULL ) |
555 | | { |
556 | | libcerror_error_set( |
557 | | error, |
558 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
559 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
560 | | "%s: invalid path.", |
561 | | function ); |
562 | | |
563 | | return( -1 ); |
564 | | } |
565 | | if( path_length == 0 ) |
566 | | { |
567 | | libcerror_error_set( |
568 | | error, |
569 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
570 | | LIBCERROR_ARGUMENT_ERROR_VALUE_ZERO_OR_LESS, |
571 | | "%s: invalid path length is zero.", |
572 | | function ); |
573 | | |
574 | | return( -1 ); |
575 | | } |
576 | | if( path_length > (size_t) ( SSIZE_MAX - 1 ) ) |
577 | | { |
578 | | libcerror_error_set( |
579 | | error, |
580 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
581 | | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
582 | | "%s: invalid path length value exceeds maximum.", |
583 | | function ); |
584 | | |
585 | | return( -1 ); |
586 | | } |
587 | | if( path_type == NULL ) |
588 | | { |
589 | | libcerror_error_set( |
590 | | error, |
591 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
592 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
593 | | "%s: invalid path type.", |
594 | | function ); |
595 | | |
596 | | return( -1 ); |
597 | | } |
598 | | *path_type = LIBCPATH_TYPE_RELATIVE; |
599 | | |
600 | | /* Determine if the path is a special path |
601 | | * device path prefix: \\.\ |
602 | | * extended-length path prefix: \\?\ |
603 | | */ |
604 | | if( ( path_length >= 4 ) |
605 | | && ( path[ 0 ] == '\\' ) |
606 | | && ( path[ 1 ] == '\\' ) |
607 | | && ( ( path[ 2 ] == '.' ) |
608 | | || ( path[ 2 ] == '?' ) ) |
609 | | && ( path[ 3 ] == '\\' ) ) |
610 | | { |
611 | | if( path[ 2 ] == '.' ) |
612 | | { |
613 | | *path_type = LIBCPATH_TYPE_DEVICE; |
614 | | } |
615 | | /* Determine if the path in an extended-length UNC path |
616 | | * \\?\UNC\server\share |
617 | | */ |
618 | | else if( ( path_length >= 8 ) |
619 | | && ( path[ 4 ] == 'U' ) |
620 | | && ( path[ 5 ] == 'N' ) |
621 | | && ( path[ 6 ] == 'C' ) |
622 | | && ( path[ 7 ] == '\\' ) ) |
623 | | { |
624 | | *path_type = LIBCPATH_TYPE_EXTENDED_LENGTH_UNC; |
625 | | } |
626 | | else |
627 | | { |
628 | | *path_type = LIBCPATH_TYPE_EXTENDED_LENGTH; |
629 | | } |
630 | | } |
631 | | /* Determine if the path is an UNC path |
632 | | * \\server\share |
633 | | */ |
634 | | else if( ( path_length >= 2 ) |
635 | | && ( path[ 0 ] == '\\' ) |
636 | | && ( path[ 1 ] == '\\' ) ) |
637 | | { |
638 | | *path_type = LIBCPATH_TYPE_UNC; |
639 | | } |
640 | | else if( path[ 0 ] == '\\' ) |
641 | | { |
642 | | *path_type = LIBCPATH_TYPE_ABSOLUTE; |
643 | | } |
644 | | else if( ( path_length >= 3 ) |
645 | | && ( path[ 1 ] == ':' ) |
646 | | && ( path[ 2 ] == '\\' ) |
647 | | && ( ( ( path[ 0 ] >= 'A' ) |
648 | | && ( path[ 0 ] <= 'Z' ) ) |
649 | | || ( ( path[ 0 ] >= 'a' ) |
650 | | && ( path[ 0 ] <= 'z' ) ) ) ) |
651 | | { |
652 | | *path_type = LIBCPATH_TYPE_ABSOLUTE; |
653 | | } |
654 | | return( 1 ); |
655 | | } |
656 | | |
657 | | /* Determines the volume name |
658 | | * Returns 1 if succesful or -1 on error |
659 | | */ |
660 | | int libcpath_path_get_volume_name( |
661 | | const char *path, |
662 | | size_t path_length, |
663 | | char **volume_name, |
664 | | size_t *volume_name_length, |
665 | | size_t *directory_name_index, |
666 | | libcerror_error_t **error ) |
667 | | { |
668 | | static char *function = "libcpath_path_get_volume_name"; |
669 | | size_t path_index = 0; |
670 | | size_t share_name_index = 0; |
671 | | size_t volume_name_index = 0; |
672 | | |
673 | | if( path == NULL ) |
674 | | { |
675 | | libcerror_error_set( |
676 | | error, |
677 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
678 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
679 | | "%s: invalid path.", |
680 | | function ); |
681 | | |
682 | | return( -1 ); |
683 | | } |
684 | | if( path_length == 0 ) |
685 | | { |
686 | | libcerror_error_set( |
687 | | error, |
688 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
689 | | LIBCERROR_ARGUMENT_ERROR_VALUE_ZERO_OR_LESS, |
690 | | "%s: invalid path length is zero.", |
691 | | function ); |
692 | | |
693 | | return( -1 ); |
694 | | } |
695 | | if( path_length > (size_t) ( SSIZE_MAX - 1 ) ) |
696 | | { |
697 | | libcerror_error_set( |
698 | | error, |
699 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
700 | | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
701 | | "%s: invalid path length value exceeds maximum.", |
702 | | function ); |
703 | | |
704 | | return( -1 ); |
705 | | } |
706 | | if( volume_name == NULL ) |
707 | | { |
708 | | libcerror_error_set( |
709 | | error, |
710 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
711 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
712 | | "%s: invalid volume name.", |
713 | | function ); |
714 | | |
715 | | return( -1 ); |
716 | | } |
717 | | if( volume_name_length == NULL ) |
718 | | { |
719 | | libcerror_error_set( |
720 | | error, |
721 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
722 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
723 | | "%s: invalid volume name length.", |
724 | | function ); |
725 | | |
726 | | return( -1 ); |
727 | | } |
728 | | if( directory_name_index == NULL ) |
729 | | { |
730 | | libcerror_error_set( |
731 | | error, |
732 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
733 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
734 | | "%s: invalid directory name index.", |
735 | | function ); |
736 | | |
737 | | return( -1 ); |
738 | | } |
739 | | *volume_name = NULL; |
740 | | *volume_name_length = 0; |
741 | | *directory_name_index = 0; |
742 | | |
743 | | /* Determine if the path is a special path |
744 | | * device path prefix: \\.\ |
745 | | * extended-length path prefix: \\?\ |
746 | | */ |
747 | | if( ( path_length >= 4 ) |
748 | | && ( path[ 0 ] == '\\' ) |
749 | | && ( path[ 1 ] == '\\' ) |
750 | | && ( ( path[ 2 ] == '.' ) |
751 | | || ( path[ 2 ] == '?' ) ) |
752 | | && ( path[ 3 ] == '\\' ) ) |
753 | | { |
754 | | if( path[ 2 ] == '.' ) |
755 | | { |
756 | | volume_name_index = 4; |
757 | | } |
758 | | /* Determine if the path in an extended-length UNC path |
759 | | * \\?\UNC\server\share |
760 | | */ |
761 | | else if( ( path_length >= 8 ) |
762 | | && ( path[ 4 ] == 'U' ) |
763 | | && ( path[ 5 ] == 'N' ) |
764 | | && ( path[ 6 ] == 'C' ) |
765 | | && ( path[ 7 ] == '\\' ) ) |
766 | | { |
767 | | volume_name_index = 8; |
768 | | } |
769 | | else |
770 | | { |
771 | | volume_name_index = 4; |
772 | | } |
773 | | } |
774 | | /* Determine if the path is an UNC path |
775 | | * \\server\share |
776 | | */ |
777 | | else if( ( path_length >= 2 ) |
778 | | && ( path[ 0 ] == '\\' ) |
779 | | && ( path[ 1 ] == '\\' ) ) |
780 | | { |
781 | | volume_name_index = 2; |
782 | | } |
783 | | /* Check if the path contains a volume letter |
784 | | */ |
785 | | if( ( path_length >= 2 ) |
786 | | && ( volume_name_index <= ( path_length - 2 ) ) |
787 | | && ( path[ volume_name_index + 1 ] == ':' ) |
788 | | && ( ( ( path[ volume_name_index ] >= 'A' ) |
789 | | && ( path[ volume_name_index ] <= 'Z' ) ) |
790 | | || ( ( path[ volume_name_index ] >= 'a' ) |
791 | | && ( path[ volume_name_index ] <= 'z' ) ) ) ) |
792 | | { |
793 | | path_index = volume_name_index + 2; |
794 | | |
795 | | if( ( path_index < path_length ) |
796 | | && ( path[ path_index ] == '\\' ) ) |
797 | | { |
798 | | path_index++; |
799 | | } |
800 | | *volume_name = (char *) &( path[ volume_name_index ] ); |
801 | | *volume_name_length = path_index - volume_name_index; |
802 | | |
803 | | if( path[ path_index - 1 ] == '\\' ) |
804 | | { |
805 | | *volume_name_length -= 1; |
806 | | } |
807 | | *directory_name_index = path_index; |
808 | | } |
809 | | else if( volume_name_index == 4 ) |
810 | | { |
811 | | for( path_index = volume_name_index; |
812 | | path_index < path_length; |
813 | | path_index++ ) |
814 | | { |
815 | | if( path[ path_index ] == '\\' ) |
816 | | { |
817 | | path_index++; |
818 | | |
819 | | break; |
820 | | } |
821 | | } |
822 | | *volume_name = (char *) &( path[ 4 ] ); |
823 | | *volume_name_length = path_index - 4; |
824 | | |
825 | | if( path[ path_index - 1 ] == '\\' ) |
826 | | { |
827 | | *volume_name_length -= 1; |
828 | | } |
829 | | *directory_name_index = path_index; |
830 | | } |
831 | | else if( ( volume_name_index == 2 ) |
832 | | || ( volume_name_index == 8 ) ) |
833 | | { |
834 | | for( share_name_index = volume_name_index; |
835 | | share_name_index < path_length; |
836 | | share_name_index++ ) |
837 | | { |
838 | | if( path[ share_name_index ] == '\\' ) |
839 | | { |
840 | | share_name_index++; |
841 | | |
842 | | break; |
843 | | } |
844 | | } |
845 | | if( share_name_index > path_length ) |
846 | | { |
847 | | libcerror_error_set( |
848 | | error, |
849 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
850 | | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
851 | | "%s: invalid path - missing share name.", |
852 | | function ); |
853 | | |
854 | | return( -1 ); |
855 | | } |
856 | | for( path_index = share_name_index; |
857 | | path_index < path_length; |
858 | | path_index++ ) |
859 | | { |
860 | | if( path[ path_index ] == '\\' ) |
861 | | { |
862 | | path_index++; |
863 | | |
864 | | break; |
865 | | } |
866 | | } |
867 | | *volume_name = (char *) &( path[ volume_name_index ] ); |
868 | | *volume_name_length = path_index - volume_name_index; |
869 | | |
870 | | if( path[ path_index - 1 ] == '\\' ) |
871 | | { |
872 | | *volume_name_length -= 1; |
873 | | } |
874 | | *directory_name_index = path_index; |
875 | | } |
876 | | return( 1 ); |
877 | | } |
878 | | |
879 | | /* Retrieves the current working directory of a specific volume |
880 | | * Returns 1 if successful or -1 on error |
881 | | */ |
882 | | int libcpath_path_get_current_working_directory_by_volume( |
883 | | char *volume_name, |
884 | | size_t volume_name_length, |
885 | | char **current_working_directory, |
886 | | size_t *current_working_directory_size, |
887 | | libcerror_error_t **error ) |
888 | | { |
889 | | char *change_volume_name = NULL; |
890 | | char *current_volume_working_directory = NULL; |
891 | | static char *function = "libcpath_path_get_current_working_directory_by_volume"; |
892 | | size_t current_volume_working_directory_size = 0; |
893 | | int result = 1; |
894 | | |
895 | | if( current_working_directory == NULL ) |
896 | | { |
897 | | libcerror_error_set( |
898 | | error, |
899 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
900 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
901 | | "%s: invalid current working directory.", |
902 | | function ); |
903 | | |
904 | | return( -1 ); |
905 | | } |
906 | | if( current_working_directory_size == NULL ) |
907 | | { |
908 | | libcerror_error_set( |
909 | | error, |
910 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
911 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
912 | | "%s: invalid current working directory size.", |
913 | | function ); |
914 | | |
915 | | return( -1 ); |
916 | | } |
917 | | /* If the path contains a volume name switch to that |
918 | | * volume to determine the current directory |
919 | | */ |
920 | | if( volume_name != NULL ) |
921 | | { |
922 | | if( volume_name_length > (size_t) ( SSIZE_MAX - 1 ) ) |
923 | | { |
924 | | libcerror_error_set( |
925 | | error, |
926 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
927 | | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
928 | | "%s: invalid volume name length value exceeds maximum.", |
929 | | function ); |
930 | | |
931 | | goto on_error; |
932 | | } |
933 | | if( libcpath_path_get_current_working_directory( |
934 | | ¤t_volume_working_directory, |
935 | | ¤t_volume_working_directory_size, |
936 | | error ) != 1 ) |
937 | | { |
938 | | libcerror_error_set( |
939 | | error, |
940 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
941 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
942 | | "%s: unable to retrieve current volume working directory.", |
943 | | function ); |
944 | | |
945 | | goto on_error; |
946 | | } |
947 | | change_volume_name = narrow_string_allocate( |
948 | | volume_name_length + 1 ); |
949 | | |
950 | | if( change_volume_name == NULL ) |
951 | | { |
952 | | libcerror_error_set( |
953 | | error, |
954 | | LIBCERROR_ERROR_DOMAIN_MEMORY, |
955 | | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
956 | | "%s: unable to create change volume name.", |
957 | | function ); |
958 | | |
959 | | goto on_error; |
960 | | } |
961 | | if( narrow_string_copy( |
962 | | change_volume_name, |
963 | | volume_name, |
964 | | volume_name_length ) == NULL ) |
965 | | { |
966 | | libcerror_error_set( |
967 | | error, |
968 | | LIBCERROR_ERROR_DOMAIN_MEMORY, |
969 | | LIBCERROR_MEMORY_ERROR_COPY_FAILED, |
970 | | "%s: unable to set change volume name.", |
971 | | function ); |
972 | | |
973 | | goto on_error; |
974 | | } |
975 | | change_volume_name[ volume_name_length ] = 0; |
976 | | |
977 | | if( libcpath_path_change_directory( |
978 | | change_volume_name, |
979 | | error ) != 1 ) |
980 | | { |
981 | | libcerror_error_set( |
982 | | error, |
983 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
984 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
985 | | "%s: unable to change current working directory.", |
986 | | function ); |
987 | | |
988 | | goto on_error; |
989 | | } |
990 | | memory_free( |
991 | | change_volume_name ); |
992 | | |
993 | | change_volume_name = NULL; |
994 | | } |
995 | | if( libcpath_path_get_current_working_directory( |
996 | | current_working_directory, |
997 | | current_working_directory_size, |
998 | | error ) != 1 ) |
999 | | { |
1000 | | libcerror_error_set( |
1001 | | error, |
1002 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1003 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1004 | | "%s: unable to retrieve current directory.", |
1005 | | function ); |
1006 | | |
1007 | | /* Make sure the current working directory has been changed |
1008 | | * back to its original value |
1009 | | */ |
1010 | | result = -1; |
1011 | | } |
1012 | | if( current_volume_working_directory != NULL ) |
1013 | | { |
1014 | | if( libcpath_path_change_directory( |
1015 | | current_volume_working_directory, |
1016 | | error ) != 1 ) |
1017 | | { |
1018 | | libcerror_error_set( |
1019 | | error, |
1020 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1021 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1022 | | "%s: unable to change current working directory.", |
1023 | | function ); |
1024 | | |
1025 | | goto on_error; |
1026 | | } |
1027 | | memory_free( |
1028 | | current_volume_working_directory ); |
1029 | | |
1030 | | current_volume_working_directory = NULL; |
1031 | | } |
1032 | | return( result ); |
1033 | | |
1034 | | on_error: |
1035 | | if( change_volume_name != NULL ) |
1036 | | { |
1037 | | memory_free( |
1038 | | change_volume_name ); |
1039 | | } |
1040 | | if( current_volume_working_directory != NULL ) |
1041 | | { |
1042 | | memory_free( |
1043 | | current_volume_working_directory ); |
1044 | | } |
1045 | | if( *current_working_directory != NULL ) |
1046 | | { |
1047 | | memory_free( |
1048 | | *current_working_directory ); |
1049 | | |
1050 | | *current_working_directory = NULL; |
1051 | | } |
1052 | | *current_working_directory_size = 0; |
1053 | | |
1054 | | return( -1 ); |
1055 | | } |
1056 | | |
1057 | | /* Determines the full path of the Windows path specified |
1058 | | * The function uses the extended-length path format |
1059 | | * (path with \\?\ prefix) |
1060 | | * |
1061 | | * Multiple successive \ not at the start of the path are combined into one |
1062 | | * |
1063 | | * Scenario's that are considered full paths: |
1064 | | * Device path: \\.\PhysicalDrive0 |
1065 | | * Extended-length path: \\?\C:\directory\file.txt |
1066 | | * Extended-length UNC path: \\?\UNC\server\share\directory\file.txt |
1067 | | * |
1068 | | * Scenario's that are not considered full paths: |
1069 | | * Local 'absolute' path: \directory\file.txt |
1070 | | * \directory\\file.txt |
1071 | | * Local 'relative' path: ..\directory\file.txt |
1072 | | * Local 'relative' path: .\directory\file.txt |
1073 | | * Volume 'absolute' path: C:\directory\file.txt |
1074 | | * C:\..\directory\file.txt |
1075 | | * Volume 'relative' path: C:directory\file.txt |
1076 | | * UNC path: \\server\share\directory\file.txt |
1077 | | * |
1078 | | * TODO handle: |
1079 | | * Volume device path: \\.\C: |
1080 | | * Volume file system path: \\.\C:\ |
1081 | | * |
1082 | | * Returns 1 if succesful or -1 on error |
1083 | | */ |
1084 | | int libcpath_path_get_full_path( |
1085 | | const char *path, |
1086 | | size_t path_length, |
1087 | | char **full_path, |
1088 | | size_t *full_path_size, |
1089 | | libcerror_error_t **error ) |
1090 | | { |
1091 | | libcsplit_narrow_split_string_t *current_directory_split_string = NULL; |
1092 | | libcsplit_narrow_split_string_t *path_split_string = NULL; |
1093 | | char *current_directory = NULL; |
1094 | | char *current_directory_string_segment = NULL; |
1095 | | char *full_path_prefix = NULL; |
1096 | | char *last_used_path_string_segment = NULL; |
1097 | | char *path_string_segment = NULL; |
1098 | | char *volume_name = NULL; |
1099 | | static char *function = "libcpath_path_get_full_path"; |
1100 | | size_t current_directory_length = 0; |
1101 | | size_t current_directory_name_index = 0; |
1102 | | size_t current_directory_size = 0; |
1103 | | size_t current_directory_string_segment_size = 0; |
1104 | | size_t full_path_index = 0; |
1105 | | size_t full_path_prefix_length = 0; |
1106 | | size_t last_used_path_string_segment_size = 0; |
1107 | | size_t path_directory_name_index = 0; |
1108 | | size_t path_string_segment_size = 0; |
1109 | | size_t safe_full_path_size = 0; |
1110 | | size_t volume_name_length = 0; |
1111 | | uint8_t path_type = LIBCPATH_TYPE_RELATIVE; |
1112 | | int current_directory_number_of_segments = 0; |
1113 | | int current_directory_segment_index = 0; |
1114 | | int last_used_path_segment_index = -1; |
1115 | | int path_number_of_segments = 0; |
1116 | | int path_segment_index = 0; |
1117 | | |
1118 | | if( path == NULL ) |
1119 | | { |
1120 | | libcerror_error_set( |
1121 | | error, |
1122 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1123 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1124 | | "%s: invalid path.", |
1125 | | function ); |
1126 | | |
1127 | | return( -1 ); |
1128 | | } |
1129 | | if( path_length == 0 ) |
1130 | | { |
1131 | | libcerror_error_set( |
1132 | | error, |
1133 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1134 | | LIBCERROR_ARGUMENT_ERROR_VALUE_ZERO_OR_LESS, |
1135 | | "%s: invalid path length is zero.", |
1136 | | function ); |
1137 | | |
1138 | | return( -1 ); |
1139 | | } |
1140 | | if( path_length > (size_t) ( SSIZE_MAX - 1 ) ) |
1141 | | { |
1142 | | libcerror_error_set( |
1143 | | error, |
1144 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1145 | | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
1146 | | "%s: invalid path length value exceeds maximum.", |
1147 | | function ); |
1148 | | |
1149 | | return( -1 ); |
1150 | | } |
1151 | | if( full_path == NULL ) |
1152 | | { |
1153 | | libcerror_error_set( |
1154 | | error, |
1155 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1156 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1157 | | "%s: invalid full path.", |
1158 | | function ); |
1159 | | |
1160 | | return( -1 ); |
1161 | | } |
1162 | | if( *full_path != NULL ) |
1163 | | { |
1164 | | libcerror_error_set( |
1165 | | error, |
1166 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1167 | | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
1168 | | "%s: invalid full path value already set.", |
1169 | | function ); |
1170 | | |
1171 | | return( -1 ); |
1172 | | } |
1173 | | if( full_path_size == NULL ) |
1174 | | { |
1175 | | libcerror_error_set( |
1176 | | error, |
1177 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1178 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1179 | | "%s: invalid full path size.", |
1180 | | function ); |
1181 | | |
1182 | | return( -1 ); |
1183 | | } |
1184 | | if( libcpath_path_get_path_type( |
1185 | | path, |
1186 | | path_length, |
1187 | | &path_type, |
1188 | | error ) != 1 ) |
1189 | | { |
1190 | | libcerror_error_set( |
1191 | | error, |
1192 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1193 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1194 | | "%s: unable to determine path type.", |
1195 | | function ); |
1196 | | |
1197 | | goto on_error; |
1198 | | } |
1199 | | if( libcpath_path_get_volume_name( |
1200 | | path, |
1201 | | path_length, |
1202 | | &volume_name, |
1203 | | &volume_name_length, |
1204 | | &path_directory_name_index, |
1205 | | error ) != 1 ) |
1206 | | { |
1207 | | libcerror_error_set( |
1208 | | error, |
1209 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1210 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1211 | | "%s: unable to determine volume name.", |
1212 | | function ); |
1213 | | |
1214 | | goto on_error; |
1215 | | } |
1216 | | /* If the path is a device path, an extended-length path or an UNC |
1217 | | * do not bother to lookup the current working directory |
1218 | | */ |
1219 | | if( ( path_type != LIBCPATH_TYPE_DEVICE ) |
1220 | | && ( path_type != LIBCPATH_TYPE_EXTENDED_LENGTH ) |
1221 | | && ( path_type != LIBCPATH_TYPE_EXTENDED_LENGTH_UNC ) |
1222 | | && ( path_type != LIBCPATH_TYPE_UNC ) ) |
1223 | | { |
1224 | | if( libcpath_path_get_current_working_directory_by_volume( |
1225 | | volume_name, |
1226 | | volume_name_length, |
1227 | | ¤t_directory, |
1228 | | ¤t_directory_size, |
1229 | | error ) != 1 ) |
1230 | | { |
1231 | | libcerror_error_set( |
1232 | | error, |
1233 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1234 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1235 | | "%s: unable to retrieve current working directory by volume.", |
1236 | | function ); |
1237 | | |
1238 | | goto on_error; |
1239 | | } |
1240 | | /* Determine the volume name using the current working directory if necessary |
1241 | | */ |
1242 | | if( libcpath_path_get_volume_name( |
1243 | | current_directory, |
1244 | | current_directory_size - 1, |
1245 | | &volume_name, |
1246 | | &volume_name_length, |
1247 | | ¤t_directory_name_index, |
1248 | | error ) != 1 ) |
1249 | | { |
1250 | | libcerror_error_set( |
1251 | | error, |
1252 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1253 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1254 | | "%s: unable to determine volume name from current working directory.", |
1255 | | function ); |
1256 | | |
1257 | | goto on_error; |
1258 | | } |
1259 | | } |
1260 | | if( ( current_directory != NULL ) |
1261 | | && ( current_directory_name_index < current_directory_size ) ) |
1262 | | { |
1263 | | current_directory_length = narrow_string_length( |
1264 | | &( current_directory[ current_directory_name_index ] ) ); |
1265 | | |
1266 | | if( libcsplit_narrow_string_split( |
1267 | | &( current_directory[ current_directory_name_index ] ), |
1268 | | current_directory_length + 1, |
1269 | | '\\', |
1270 | | ¤t_directory_split_string, |
1271 | | error ) != 1 ) |
1272 | | { |
1273 | | libcerror_error_set( |
1274 | | error, |
1275 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1276 | | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
1277 | | "%s: unable to split current working directory.", |
1278 | | function ); |
1279 | | |
1280 | | goto on_error; |
1281 | | } |
1282 | | } |
1283 | | if( libcsplit_narrow_string_split( |
1284 | | &( path[ path_directory_name_index ] ), |
1285 | | path_length - path_directory_name_index + 1, |
1286 | | '\\', |
1287 | | &path_split_string, |
1288 | | error ) != 1 ) |
1289 | | { |
1290 | | libcerror_error_set( |
1291 | | error, |
1292 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1293 | | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
1294 | | "%s: unable to split path.", |
1295 | | function ); |
1296 | | |
1297 | | goto on_error; |
1298 | | } |
1299 | | /* The size of the full path consists of: |
1300 | | * the size of the prefix (\\?\ or \\.\) |
1301 | | */ |
1302 | | safe_full_path_size = 4; |
1303 | | |
1304 | | /* If the path contains a volume name |
1305 | | * the length of the volume name |
1306 | | * a directory separator |
1307 | | */ |
1308 | | if( volume_name != NULL ) |
1309 | | { |
1310 | | safe_full_path_size += volume_name_length + 1; |
1311 | | } |
1312 | | /* If the path contains an UNC path |
1313 | | * add the size of the UNC\ prefix |
1314 | | */ |
1315 | | if( ( path_type == LIBCPATH_TYPE_EXTENDED_LENGTH_UNC ) |
1316 | | || ( path_type == LIBCPATH_TYPE_UNC ) ) |
1317 | | { |
1318 | | safe_full_path_size += 4; |
1319 | | } |
1320 | | /* If the path is relative |
1321 | | * add the size of the current working directory |
1322 | | * a directory separator, if necessary |
1323 | | */ |
1324 | | if( ( path_type == LIBCPATH_TYPE_RELATIVE ) |
1325 | | && ( current_directory_name_index < current_directory_size ) ) |
1326 | | { |
1327 | | safe_full_path_size += ( current_directory_size - ( current_directory_name_index + 1 ) ); |
1328 | | |
1329 | | if( ( current_directory_size >= 2 ) |
1330 | | && ( current_directory[ current_directory_size - 2 ] != '\\' ) ) |
1331 | | { |
1332 | | safe_full_path_size += 1; |
1333 | | } |
1334 | | } |
1335 | | if( current_directory_split_string != NULL ) |
1336 | | { |
1337 | | if( libcsplit_narrow_split_string_get_number_of_segments( |
1338 | | current_directory_split_string, |
1339 | | ¤t_directory_number_of_segments, |
1340 | | error ) != 1 ) |
1341 | | { |
1342 | | libcerror_error_set( |
1343 | | error, |
1344 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1345 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1346 | | "%s: unable to retrieve number of current working directory string segments.", |
1347 | | function ); |
1348 | | |
1349 | | goto on_error; |
1350 | | } |
1351 | | current_directory_segment_index = current_directory_number_of_segments - 1; |
1352 | | } |
1353 | | if( libcsplit_narrow_split_string_get_number_of_segments( |
1354 | | path_split_string, |
1355 | | &path_number_of_segments, |
1356 | | error ) != 1 ) |
1357 | | { |
1358 | | libcerror_error_set( |
1359 | | error, |
1360 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1361 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1362 | | "%s: unable to retrieve number of path string segments.", |
1363 | | function ); |
1364 | | |
1365 | | goto on_error; |
1366 | | } |
1367 | | for( path_segment_index = 0; |
1368 | | path_segment_index < path_number_of_segments; |
1369 | | path_segment_index++ ) |
1370 | | { |
1371 | | if( libcsplit_narrow_split_string_get_segment_by_index( |
1372 | | path_split_string, |
1373 | | path_segment_index, |
1374 | | &path_string_segment, |
1375 | | &path_string_segment_size, |
1376 | | error ) != 1 ) |
1377 | | { |
1378 | | libcerror_error_set( |
1379 | | error, |
1380 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1381 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1382 | | "%s: unable to retrieve path string segment: %d.", |
1383 | | function, |
1384 | | path_segment_index ); |
1385 | | |
1386 | | goto on_error; |
1387 | | } |
1388 | | if( path_string_segment == NULL ) |
1389 | | { |
1390 | | libcerror_error_set( |
1391 | | error, |
1392 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1393 | | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
1394 | | "%s: missing path string segment: %d.", |
1395 | | function, |
1396 | | path_segment_index ); |
1397 | | |
1398 | | goto on_error; |
1399 | | } |
1400 | | /* If the path is .. reverse the current path by one directory |
1401 | | */ |
1402 | | if( ( path_string_segment_size == 3 ) |
1403 | | && ( path_string_segment[ 0 ] == '.' ) |
1404 | | && ( path_string_segment[ 1 ] == '.' ) ) |
1405 | | { |
1406 | | if( ( current_directory_split_string != NULL ) |
1407 | | && ( last_used_path_segment_index == -1 ) ) |
1408 | | { |
1409 | | if( libcsplit_narrow_split_string_get_segment_by_index( |
1410 | | current_directory_split_string, |
1411 | | current_directory_segment_index, |
1412 | | ¤t_directory_string_segment, |
1413 | | ¤t_directory_string_segment_size, |
1414 | | error ) != 1 ) |
1415 | | { |
1416 | | libcerror_error_set( |
1417 | | error, |
1418 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1419 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1420 | | "%s: unable to retrieve current working directory string segment: %d.", |
1421 | | function, |
1422 | | current_directory_segment_index ); |
1423 | | |
1424 | | goto on_error; |
1425 | | } |
1426 | | if( current_directory_string_segment == NULL ) |
1427 | | { |
1428 | | libcerror_error_set( |
1429 | | error, |
1430 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1431 | | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
1432 | | "%s: missing current working directory string segment: %d.", |
1433 | | function, |
1434 | | current_directory_segment_index ); |
1435 | | |
1436 | | goto on_error; |
1437 | | } |
1438 | | /* Remove the size of the parent directory name and a directory separator |
1439 | | * Note that the size includes the end of string character |
1440 | | */ |
1441 | | safe_full_path_size -= current_directory_string_segment_size; |
1442 | | |
1443 | | if( libcsplit_narrow_split_string_set_segment_by_index( |
1444 | | current_directory_split_string, |
1445 | | current_directory_segment_index, |
1446 | | NULL, |
1447 | | 0, |
1448 | | error ) != 1 ) |
1449 | | { |
1450 | | libcerror_error_set( |
1451 | | error, |
1452 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1453 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1454 | | "%s: unable to set current working directory string segment: %d.", |
1455 | | function, |
1456 | | current_directory_segment_index ); |
1457 | | |
1458 | | goto on_error; |
1459 | | } |
1460 | | current_directory_segment_index--; |
1461 | | } |
1462 | | else if( last_used_path_segment_index >= 0 ) |
1463 | | { |
1464 | | if( libcsplit_narrow_split_string_get_segment_by_index( |
1465 | | path_split_string, |
1466 | | last_used_path_segment_index, |
1467 | | &last_used_path_string_segment, |
1468 | | &last_used_path_string_segment_size, |
1469 | | error ) != 1 ) |
1470 | | { |
1471 | | libcerror_error_set( |
1472 | | error, |
1473 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1474 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1475 | | "%s: unable to retrieve last used path string segment: %d.", |
1476 | | function, |
1477 | | last_used_path_segment_index ); |
1478 | | |
1479 | | goto on_error; |
1480 | | } |
1481 | | if( last_used_path_string_segment == NULL ) |
1482 | | { |
1483 | | libcerror_error_set( |
1484 | | error, |
1485 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1486 | | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
1487 | | "%s: missing last used path string string segment: %d.", |
1488 | | function, |
1489 | | last_used_path_segment_index ); |
1490 | | |
1491 | | goto on_error; |
1492 | | } |
1493 | | /* Remove the size of the parent directory name and a directory separator |
1494 | | * Note that the size includes the end of string character |
1495 | | */ |
1496 | | safe_full_path_size -= last_used_path_string_segment_size; |
1497 | | |
1498 | | if( libcsplit_narrow_split_string_set_segment_by_index( |
1499 | | path_split_string, |
1500 | | last_used_path_segment_index, |
1501 | | NULL, |
1502 | | 0, |
1503 | | error ) != 1 ) |
1504 | | { |
1505 | | libcerror_error_set( |
1506 | | error, |
1507 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1508 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1509 | | "%s: unable to set path string segment: %d.", |
1510 | | function, |
1511 | | last_used_path_segment_index ); |
1512 | | |
1513 | | goto on_error; |
1514 | | } |
1515 | | /* Find the previous path split value that contains a name |
1516 | | */ |
1517 | | while( last_used_path_segment_index > 0 ) |
1518 | | { |
1519 | | last_used_path_segment_index--; |
1520 | | |
1521 | | if( libcsplit_narrow_split_string_get_segment_by_index( |
1522 | | path_split_string, |
1523 | | last_used_path_segment_index, |
1524 | | &last_used_path_string_segment, |
1525 | | &last_used_path_string_segment_size, |
1526 | | error ) != 1 ) |
1527 | | { |
1528 | | libcerror_error_set( |
1529 | | error, |
1530 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1531 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1532 | | "%s: unable to retrieve last used path string segment: %d.", |
1533 | | function, |
1534 | | last_used_path_segment_index ); |
1535 | | |
1536 | | goto on_error; |
1537 | | } |
1538 | | if( last_used_path_string_segment_size != 0 ) |
1539 | | { |
1540 | | break; |
1541 | | } |
1542 | | } |
1543 | | } |
1544 | | if( libcsplit_narrow_split_string_set_segment_by_index( |
1545 | | path_split_string, |
1546 | | path_segment_index, |
1547 | | NULL, |
1548 | | 0, |
1549 | | error ) != 1 ) |
1550 | | { |
1551 | | libcerror_error_set( |
1552 | | error, |
1553 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1554 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1555 | | "%s: unable to set path string segment: %d.", |
1556 | | function, |
1557 | | path_segment_index ); |
1558 | | |
1559 | | goto on_error; |
1560 | | } |
1561 | | } |
1562 | | /* If the path is . ignore the entry |
1563 | | */ |
1564 | | else if( ( path_string_segment_size == 2 ) |
1565 | | && ( path_string_segment[ 0 ] == '.' ) ) |
1566 | | { |
1567 | | if( libcsplit_narrow_split_string_set_segment_by_index( |
1568 | | path_split_string, |
1569 | | path_segment_index, |
1570 | | NULL, |
1571 | | 0, |
1572 | | error ) != 1 ) |
1573 | | { |
1574 | | libcerror_error_set( |
1575 | | error, |
1576 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1577 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1578 | | "%s: unable to set path string segment: %d.", |
1579 | | function, |
1580 | | path_segment_index ); |
1581 | | |
1582 | | goto on_error; |
1583 | | } |
1584 | | } |
1585 | | /* If the path is empty ignore the entry |
1586 | | */ |
1587 | | else if( path_string_segment_size <= 1 ) |
1588 | | { |
1589 | | if( libcsplit_narrow_split_string_set_segment_by_index( |
1590 | | path_split_string, |
1591 | | path_segment_index, |
1592 | | NULL, |
1593 | | 0, |
1594 | | error ) != 1 ) |
1595 | | { |
1596 | | libcerror_error_set( |
1597 | | error, |
1598 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1599 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1600 | | "%s: unable to set path string segment: %d.", |
1601 | | function, |
1602 | | path_segment_index ); |
1603 | | |
1604 | | goto on_error; |
1605 | | } |
1606 | | } |
1607 | | else |
1608 | | { |
1609 | | /* Add the size of the directory or file name and a directory separator |
1610 | | * Note that the size includes the end of string character |
1611 | | */ |
1612 | | safe_full_path_size += path_string_segment_size; |
1613 | | |
1614 | | last_used_path_segment_index = path_segment_index; |
1615 | | } |
1616 | | } |
1617 | | /* Note that the last path separator serves as the end of string |
1618 | | */ |
1619 | | full_path_index = 0; |
1620 | | |
1621 | | *full_path = narrow_string_allocate( |
1622 | | safe_full_path_size ); |
1623 | | |
1624 | | if( *full_path == NULL ) |
1625 | | { |
1626 | | libcerror_error_set( |
1627 | | error, |
1628 | | LIBCERROR_ERROR_DOMAIN_MEMORY, |
1629 | | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
1630 | | "%s: unable to create full path.", |
1631 | | function ); |
1632 | | |
1633 | | goto on_error; |
1634 | | } |
1635 | | if( memory_set( |
1636 | | *full_path, |
1637 | | 0, |
1638 | | sizeof( char ) * safe_full_path_size ) == NULL ) |
1639 | | { |
1640 | | libcerror_error_set( |
1641 | | error, |
1642 | | LIBCERROR_ERROR_DOMAIN_MEMORY, |
1643 | | LIBCERROR_MEMORY_ERROR_SET_FAILED, |
1644 | | "%s: unable to clear full path.", |
1645 | | function ); |
1646 | | |
1647 | | goto on_error; |
1648 | | } |
1649 | | *full_path_size = safe_full_path_size; |
1650 | | |
1651 | | if( path_type == LIBCPATH_TYPE_DEVICE ) |
1652 | | { |
1653 | | full_path_prefix = "\\\\.\\"; |
1654 | | full_path_prefix_length = 4; |
1655 | | } |
1656 | | else |
1657 | | { |
1658 | | full_path_prefix = "\\\\?\\"; |
1659 | | full_path_prefix_length = 4; |
1660 | | } |
1661 | | if( narrow_string_copy( |
1662 | | &( ( *full_path )[ full_path_index ] ), |
1663 | | full_path_prefix, |
1664 | | full_path_prefix_length ) == NULL ) |
1665 | | { |
1666 | | libcerror_error_set( |
1667 | | error, |
1668 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1669 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1670 | | "%s: unable to set prefix in full path.", |
1671 | | function ); |
1672 | | |
1673 | | goto on_error; |
1674 | | } |
1675 | | full_path_index += full_path_prefix_length; |
1676 | | |
1677 | | /* If there is a share name the path is an UNC path |
1678 | | */ |
1679 | | if( ( path_type == LIBCPATH_TYPE_EXTENDED_LENGTH_UNC ) |
1680 | | || ( path_type == LIBCPATH_TYPE_UNC ) ) |
1681 | | { |
1682 | | if( narrow_string_copy( |
1683 | | &( ( *full_path )[ full_path_index ] ), |
1684 | | "UNC\\", |
1685 | | 4 ) == NULL ) |
1686 | | { |
1687 | | libcerror_error_set( |
1688 | | error, |
1689 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1690 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1691 | | "%s: unable to set UNC\\ prefix in full path.", |
1692 | | function ); |
1693 | | |
1694 | | goto on_error; |
1695 | | } |
1696 | | full_path_index += 4; |
1697 | | } |
1698 | | if( volume_name != NULL ) |
1699 | | { |
1700 | | if( narrow_string_copy( |
1701 | | &( ( *full_path )[ full_path_index ] ), |
1702 | | volume_name, |
1703 | | volume_name_length ) == NULL ) |
1704 | | { |
1705 | | libcerror_error_set( |
1706 | | error, |
1707 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1708 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1709 | | "%s: unable to set volume name in full path.", |
1710 | | function ); |
1711 | | |
1712 | | goto on_error; |
1713 | | } |
1714 | | full_path_index += volume_name_length; |
1715 | | |
1716 | | ( *full_path )[ full_path_index ] = '\\'; |
1717 | | |
1718 | | full_path_index += 1; |
1719 | | } |
1720 | | /* If the path is relative |
1721 | | * add the current working directory elements |
1722 | | */ |
1723 | | if( ( path_type == LIBCPATH_TYPE_RELATIVE ) |
1724 | | && ( current_directory_split_string != NULL ) ) |
1725 | | { |
1726 | | for( current_directory_segment_index = 0; |
1727 | | current_directory_segment_index < current_directory_number_of_segments; |
1728 | | current_directory_segment_index++ ) |
1729 | | { |
1730 | | if( libcsplit_narrow_split_string_get_segment_by_index( |
1731 | | current_directory_split_string, |
1732 | | current_directory_segment_index, |
1733 | | ¤t_directory_string_segment, |
1734 | | ¤t_directory_string_segment_size, |
1735 | | error ) != 1 ) |
1736 | | { |
1737 | | libcerror_error_set( |
1738 | | error, |
1739 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1740 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1741 | | "%s: unable to retrieve current working directory string segment: %d.", |
1742 | | function, |
1743 | | current_directory_segment_index ); |
1744 | | |
1745 | | goto on_error; |
1746 | | } |
1747 | | if( current_directory_string_segment_size != 0 ) |
1748 | | { |
1749 | | if( current_directory_string_segment == NULL ) |
1750 | | { |
1751 | | libcerror_error_set( |
1752 | | error, |
1753 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1754 | | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
1755 | | "%s: missing current working directory string segment: %d.", |
1756 | | function, |
1757 | | current_directory_segment_index ); |
1758 | | |
1759 | | goto on_error; |
1760 | | } |
1761 | | if( narrow_string_copy( |
1762 | | &( ( *full_path )[ full_path_index ] ), |
1763 | | current_directory_string_segment, |
1764 | | current_directory_string_segment_size - 1 ) == NULL ) |
1765 | | { |
1766 | | libcerror_error_set( |
1767 | | error, |
1768 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1769 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1770 | | "%s: unable to set current working directory split value: %d in full path.", |
1771 | | function, |
1772 | | current_directory_segment_index ); |
1773 | | |
1774 | | goto on_error; |
1775 | | } |
1776 | | full_path_index += current_directory_string_segment_size - 1; |
1777 | | |
1778 | | ( *full_path )[ full_path_index ] = '\\'; |
1779 | | |
1780 | | full_path_index += 1; |
1781 | | } |
1782 | | } |
1783 | | } |
1784 | | for( path_segment_index = 0; |
1785 | | path_segment_index < path_number_of_segments; |
1786 | | path_segment_index++ ) |
1787 | | { |
1788 | | if( libcsplit_narrow_split_string_get_segment_by_index( |
1789 | | path_split_string, |
1790 | | path_segment_index, |
1791 | | &path_string_segment, |
1792 | | &path_string_segment_size, |
1793 | | error ) != 1 ) |
1794 | | { |
1795 | | libcerror_error_set( |
1796 | | error, |
1797 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1798 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1799 | | "%s: unable to retrieve path string segment: %d.", |
1800 | | function, |
1801 | | path_segment_index ); |
1802 | | |
1803 | | goto on_error; |
1804 | | } |
1805 | | if( path_string_segment_size != 0 ) |
1806 | | { |
1807 | | if( path_string_segment == NULL ) |
1808 | | { |
1809 | | libcerror_error_set( |
1810 | | error, |
1811 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1812 | | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
1813 | | "%s: missing path string segment: %d.", |
1814 | | function, |
1815 | | path_segment_index ); |
1816 | | |
1817 | | goto on_error; |
1818 | | } |
1819 | | if( narrow_string_copy( |
1820 | | &( ( *full_path )[ full_path_index ] ), |
1821 | | path_string_segment, |
1822 | | path_string_segment_size - 1 ) == NULL ) |
1823 | | { |
1824 | | libcerror_error_set( |
1825 | | error, |
1826 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1827 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1828 | | "%s: unable to set path split value: %d in full path.", |
1829 | | function, |
1830 | | path_segment_index ); |
1831 | | |
1832 | | goto on_error; |
1833 | | } |
1834 | | full_path_index += path_string_segment_size - 1; |
1835 | | |
1836 | | ( *full_path )[ full_path_index ] = '\\'; |
1837 | | |
1838 | | full_path_index += 1; |
1839 | | } |
1840 | | } |
1841 | | ( *full_path )[ full_path_index - 1 ] = 0; |
1842 | | |
1843 | | if( libcsplit_narrow_split_string_free( |
1844 | | &path_split_string, |
1845 | | error ) != 1 ) |
1846 | | { |
1847 | | libcerror_error_set( |
1848 | | error, |
1849 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1850 | | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
1851 | | "%s: unable to free path split string.", |
1852 | | function ); |
1853 | | |
1854 | | goto on_error; |
1855 | | } |
1856 | | if( current_directory_split_string != NULL ) |
1857 | | { |
1858 | | if( libcsplit_narrow_split_string_free( |
1859 | | ¤t_directory_split_string, |
1860 | | error ) != 1 ) |
1861 | | { |
1862 | | libcerror_error_set( |
1863 | | error, |
1864 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1865 | | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
1866 | | "%s: unable to free current working directory split string.", |
1867 | | function ); |
1868 | | |
1869 | | goto on_error; |
1870 | | } |
1871 | | } |
1872 | | if( current_directory != NULL ) |
1873 | | { |
1874 | | memory_free( |
1875 | | current_directory ); |
1876 | | } |
1877 | | return( 1 ); |
1878 | | |
1879 | | on_error: |
1880 | | if( *full_path != NULL ) |
1881 | | { |
1882 | | memory_free( |
1883 | | *full_path ); |
1884 | | |
1885 | | *full_path = NULL; |
1886 | | } |
1887 | | *full_path_size = 0; |
1888 | | |
1889 | | if( path_split_string != NULL ) |
1890 | | { |
1891 | | libcsplit_narrow_split_string_free( |
1892 | | &path_split_string, |
1893 | | NULL ); |
1894 | | } |
1895 | | if( current_directory_split_string != NULL ) |
1896 | | { |
1897 | | libcsplit_narrow_split_string_free( |
1898 | | ¤t_directory_split_string, |
1899 | | NULL ); |
1900 | | } |
1901 | | if( current_directory != NULL ) |
1902 | | { |
1903 | | memory_free( |
1904 | | current_directory ); |
1905 | | } |
1906 | | return( -1 ); |
1907 | | } |
1908 | | |
1909 | | #else |
1910 | | |
1911 | | /* Determines the full path of the POSIX path specified |
1912 | | * Multiple successive / are combined into one |
1913 | | * |
1914 | | * Scenarios: |
1915 | | * /home/user/file.txt |
1916 | | * /home/user//file.txt |
1917 | | * /home/user/../user/file.txt |
1918 | | * /../home/user/file.txt |
1919 | | * user/../user/file.txt |
1920 | | * |
1921 | | * Returns 1 if succesful or -1 on error |
1922 | | */ |
1923 | | int libcpath_path_get_full_path( |
1924 | | const char *path, |
1925 | | size_t path_length, |
1926 | | char **full_path, |
1927 | | size_t *full_path_size, |
1928 | | libcerror_error_t **error ) |
1929 | 0 | { |
1930 | 0 | libcsplit_narrow_split_string_t *current_directory_split_string = NULL; |
1931 | 0 | libcsplit_narrow_split_string_t *path_split_string = NULL; |
1932 | 0 | char *current_directory = NULL; |
1933 | 0 | char *current_directory_string_segment = NULL; |
1934 | 0 | char *last_used_path_string_segment = NULL; |
1935 | 0 | char *path_string_segment = NULL; |
1936 | 0 | static char *function = "libcpath_path_get_full_path"; |
1937 | 0 | size_t current_directory_length = 0; |
1938 | 0 | size_t current_directory_size = 0; |
1939 | 0 | size_t current_directory_string_segment_size = 0; |
1940 | 0 | size_t full_path_index = 0; |
1941 | 0 | size_t last_used_path_string_segment_size = 0; |
1942 | 0 | size_t path_string_segment_size = 0; |
1943 | 0 | size_t safe_full_path_size = 0; |
1944 | 0 | uint8_t path_type = LIBCPATH_TYPE_RELATIVE; |
1945 | 0 | int current_directory_number_of_segments = 0; |
1946 | 0 | int current_directory_segment_index = 0; |
1947 | 0 | int last_used_path_segment_index = -1; |
1948 | 0 | int path_number_of_segments = 0; |
1949 | 0 | int path_segment_index = 0; |
1950 | |
|
1951 | 0 | if( path == NULL ) |
1952 | 0 | { |
1953 | 0 | libcerror_error_set( |
1954 | 0 | error, |
1955 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1956 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1957 | 0 | "%s: invalid path.", |
1958 | 0 | function ); |
1959 | |
|
1960 | 0 | return( -1 ); |
1961 | 0 | } |
1962 | 0 | if( path_length == 0 ) |
1963 | 0 | { |
1964 | 0 | libcerror_error_set( |
1965 | 0 | error, |
1966 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1967 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_ZERO_OR_LESS, |
1968 | 0 | "%s: invalid path length is zero.", |
1969 | 0 | function ); |
1970 | |
|
1971 | 0 | return( -1 ); |
1972 | 0 | } |
1973 | 0 | if( path_length > (size_t) ( SSIZE_MAX - 1 ) ) |
1974 | 0 | { |
1975 | 0 | libcerror_error_set( |
1976 | 0 | error, |
1977 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1978 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
1979 | 0 | "%s: invalid path length value exceeds maximum.", |
1980 | 0 | function ); |
1981 | |
|
1982 | 0 | return( -1 ); |
1983 | 0 | } |
1984 | 0 | if( full_path == NULL ) |
1985 | 0 | { |
1986 | 0 | libcerror_error_set( |
1987 | 0 | error, |
1988 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1989 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1990 | 0 | "%s: invalid full path.", |
1991 | 0 | function ); |
1992 | |
|
1993 | 0 | return( -1 ); |
1994 | 0 | } |
1995 | 0 | if( *full_path != NULL ) |
1996 | 0 | { |
1997 | 0 | libcerror_error_set( |
1998 | 0 | error, |
1999 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2000 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
2001 | 0 | "%s: invalid full path value already set.", |
2002 | 0 | function ); |
2003 | |
|
2004 | 0 | return( -1 ); |
2005 | 0 | } |
2006 | 0 | if( full_path_size == NULL ) |
2007 | 0 | { |
2008 | 0 | libcerror_error_set( |
2009 | 0 | error, |
2010 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2011 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2012 | 0 | "%s: invalid full path size.", |
2013 | 0 | function ); |
2014 | |
|
2015 | 0 | return( -1 ); |
2016 | 0 | } |
2017 | 0 | if( path[ 0 ] == '/' ) |
2018 | 0 | { |
2019 | 0 | path_type = LIBCPATH_TYPE_ABSOLUTE; |
2020 | 0 | } |
2021 | 0 | else |
2022 | 0 | { |
2023 | 0 | if( libcpath_path_get_current_working_directory( |
2024 | 0 | ¤t_directory, |
2025 | 0 | ¤t_directory_size, |
2026 | 0 | error ) != 1 ) |
2027 | 0 | { |
2028 | 0 | libcerror_error_set( |
2029 | 0 | error, |
2030 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2031 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
2032 | 0 | "%s: unable to retrieve current working directory.", |
2033 | 0 | function ); |
2034 | |
|
2035 | 0 | goto on_error; |
2036 | 0 | } |
2037 | 0 | } |
2038 | 0 | if( current_directory != NULL ) |
2039 | 0 | { |
2040 | 0 | current_directory_length = narrow_string_length( |
2041 | 0 | current_directory ); |
2042 | |
|
2043 | 0 | if( libcsplit_narrow_string_split( |
2044 | 0 | current_directory, |
2045 | 0 | current_directory_length + 1, |
2046 | 0 | '/', |
2047 | 0 | ¤t_directory_split_string, |
2048 | 0 | error ) != 1 ) |
2049 | 0 | { |
2050 | 0 | libcerror_error_set( |
2051 | 0 | error, |
2052 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2053 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
2054 | 0 | "%s: unable to split current working directory.", |
2055 | 0 | function ); |
2056 | |
|
2057 | 0 | goto on_error; |
2058 | 0 | } |
2059 | 0 | } |
2060 | 0 | if( libcsplit_narrow_string_split( |
2061 | 0 | path, |
2062 | 0 | path_length + 1, |
2063 | 0 | '/', |
2064 | 0 | &path_split_string, |
2065 | 0 | error ) != 1 ) |
2066 | 0 | { |
2067 | 0 | libcerror_error_set( |
2068 | 0 | error, |
2069 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2070 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
2071 | 0 | "%s: unable to split path.", |
2072 | 0 | function ); |
2073 | |
|
2074 | 0 | goto on_error; |
2075 | 0 | } |
2076 | | /* Determine the full path size |
2077 | | */ |
2078 | | /* If the path is absolute |
2079 | | * a directory separator |
2080 | | */ |
2081 | 0 | if( path_type == LIBCPATH_TYPE_ABSOLUTE ) |
2082 | 0 | { |
2083 | 0 | safe_full_path_size = 1; |
2084 | 0 | } |
2085 | | /* If the path is relative |
2086 | | * add the size of the current working directory |
2087 | | * a directory separator, if necessary |
2088 | | */ |
2089 | 0 | else if( path_type == LIBCPATH_TYPE_RELATIVE ) |
2090 | 0 | { |
2091 | 0 | if( current_directory == NULL ) |
2092 | 0 | { |
2093 | 0 | libcerror_error_set( |
2094 | 0 | error, |
2095 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2096 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
2097 | 0 | "%s: missing current working directory.", |
2098 | 0 | function ); |
2099 | |
|
2100 | 0 | goto on_error; |
2101 | 0 | } |
2102 | | /* We need to use the length here since current_directory_size will be PATH_MAX |
2103 | | */ |
2104 | 0 | safe_full_path_size = current_directory_length; |
2105 | |
|
2106 | 0 | if( ( current_directory_length >= 1 ) |
2107 | 0 | && ( current_directory[ current_directory_length - 1 ] != '/' ) ) |
2108 | 0 | { |
2109 | 0 | safe_full_path_size++; |
2110 | 0 | } |
2111 | 0 | } |
2112 | 0 | if( current_directory_split_string != NULL ) |
2113 | 0 | { |
2114 | 0 | if( libcsplit_narrow_split_string_get_number_of_segments( |
2115 | 0 | current_directory_split_string, |
2116 | 0 | ¤t_directory_number_of_segments, |
2117 | 0 | error ) != 1 ) |
2118 | 0 | { |
2119 | 0 | libcerror_error_set( |
2120 | 0 | error, |
2121 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2122 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
2123 | 0 | "%s: unable to retrieve number of current working directory string segments.", |
2124 | 0 | function ); |
2125 | |
|
2126 | 0 | goto on_error; |
2127 | 0 | } |
2128 | 0 | current_directory_segment_index = current_directory_number_of_segments - 1; |
2129 | 0 | } |
2130 | 0 | if( libcsplit_narrow_split_string_get_number_of_segments( |
2131 | 0 | path_split_string, |
2132 | 0 | &path_number_of_segments, |
2133 | 0 | error ) != 1 ) |
2134 | 0 | { |
2135 | 0 | libcerror_error_set( |
2136 | 0 | error, |
2137 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2138 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
2139 | 0 | "%s: unable to retrieve number of path string segments.", |
2140 | 0 | function ); |
2141 | |
|
2142 | 0 | goto on_error; |
2143 | 0 | } |
2144 | 0 | for( path_segment_index = 0; |
2145 | 0 | path_segment_index < path_number_of_segments; |
2146 | 0 | path_segment_index++ ) |
2147 | 0 | { |
2148 | 0 | if( libcsplit_narrow_split_string_get_segment_by_index( |
2149 | 0 | path_split_string, |
2150 | 0 | path_segment_index, |
2151 | 0 | &path_string_segment, |
2152 | 0 | &path_string_segment_size, |
2153 | 0 | error ) != 1 ) |
2154 | 0 | { |
2155 | 0 | libcerror_error_set( |
2156 | 0 | error, |
2157 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2158 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
2159 | 0 | "%s: unable to retrieve path string segment: %d.", |
2160 | 0 | function, |
2161 | 0 | path_segment_index ); |
2162 | |
|
2163 | 0 | goto on_error; |
2164 | 0 | } |
2165 | 0 | if( path_string_segment == NULL ) |
2166 | 0 | { |
2167 | 0 | libcerror_error_set( |
2168 | 0 | error, |
2169 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2170 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
2171 | 0 | "%s: missing path string segment: %d.", |
2172 | 0 | function, |
2173 | 0 | path_segment_index ); |
2174 | |
|
2175 | 0 | goto on_error; |
2176 | 0 | } |
2177 | | /* If the path is .. reverse the current path by one directory |
2178 | | */ |
2179 | 0 | if( ( path_string_segment_size == 3 ) |
2180 | 0 | && ( path_string_segment[ 0 ] == '.' ) |
2181 | 0 | && ( path_string_segment[ 1 ] == '.' ) ) |
2182 | 0 | { |
2183 | 0 | if( ( current_directory_split_string != NULL ) |
2184 | 0 | && ( last_used_path_segment_index == -1 ) ) |
2185 | 0 | { |
2186 | 0 | if( libcsplit_narrow_split_string_get_segment_by_index( |
2187 | 0 | current_directory_split_string, |
2188 | 0 | current_directory_segment_index, |
2189 | 0 | ¤t_directory_string_segment, |
2190 | 0 | ¤t_directory_string_segment_size, |
2191 | 0 | error ) != 1 ) |
2192 | 0 | { |
2193 | 0 | libcerror_error_set( |
2194 | 0 | error, |
2195 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2196 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
2197 | 0 | "%s: unable to retrieve current working directory string segment: %d.", |
2198 | 0 | function, |
2199 | 0 | current_directory_segment_index ); |
2200 | |
|
2201 | 0 | goto on_error; |
2202 | 0 | } |
2203 | 0 | if( current_directory_string_segment == NULL ) |
2204 | 0 | { |
2205 | 0 | libcerror_error_set( |
2206 | 0 | error, |
2207 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2208 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
2209 | 0 | "%s: missing current working directory string segment: %d.", |
2210 | 0 | function, |
2211 | 0 | current_directory_segment_index ); |
2212 | |
|
2213 | 0 | goto on_error; |
2214 | 0 | } |
2215 | | /* Remove the size of the parent directory name and a directory separator |
2216 | | * Note that the size includes the end of string character |
2217 | | */ |
2218 | 0 | safe_full_path_size -= current_directory_string_segment_size; |
2219 | |
|
2220 | 0 | if( libcsplit_narrow_split_string_set_segment_by_index( |
2221 | 0 | current_directory_split_string, |
2222 | 0 | current_directory_segment_index, |
2223 | 0 | NULL, |
2224 | 0 | 0, |
2225 | 0 | error ) != 1 ) |
2226 | 0 | { |
2227 | 0 | libcerror_error_set( |
2228 | 0 | error, |
2229 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2230 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2231 | 0 | "%s: unable to set current working directory string segment: %d.", |
2232 | 0 | function, |
2233 | 0 | current_directory_segment_index ); |
2234 | |
|
2235 | 0 | goto on_error; |
2236 | 0 | } |
2237 | 0 | current_directory_segment_index--; |
2238 | 0 | } |
2239 | 0 | else if( last_used_path_segment_index >= 0 ) |
2240 | 0 | { |
2241 | 0 | if( libcsplit_narrow_split_string_get_segment_by_index( |
2242 | 0 | path_split_string, |
2243 | 0 | last_used_path_segment_index, |
2244 | 0 | &last_used_path_string_segment, |
2245 | 0 | &last_used_path_string_segment_size, |
2246 | 0 | error ) != 1 ) |
2247 | 0 | { |
2248 | 0 | libcerror_error_set( |
2249 | 0 | error, |
2250 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2251 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
2252 | 0 | "%s: unable to retrieve last used path string segment: %d.", |
2253 | 0 | function, |
2254 | 0 | last_used_path_segment_index ); |
2255 | |
|
2256 | 0 | goto on_error; |
2257 | 0 | } |
2258 | 0 | if( last_used_path_string_segment == NULL ) |
2259 | 0 | { |
2260 | 0 | libcerror_error_set( |
2261 | 0 | error, |
2262 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2263 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
2264 | 0 | "%s: missing last used path string string segment: %d.", |
2265 | 0 | function, |
2266 | 0 | last_used_path_segment_index ); |
2267 | |
|
2268 | 0 | goto on_error; |
2269 | 0 | } |
2270 | | /* Remove the size of the parent directory name and a directory separator |
2271 | | * Note that the size includes the end of string character |
2272 | | */ |
2273 | 0 | safe_full_path_size -= last_used_path_string_segment_size; |
2274 | |
|
2275 | 0 | if( libcsplit_narrow_split_string_set_segment_by_index( |
2276 | 0 | path_split_string, |
2277 | 0 | last_used_path_segment_index, |
2278 | 0 | NULL, |
2279 | 0 | 0, |
2280 | 0 | error ) != 1 ) |
2281 | 0 | { |
2282 | 0 | libcerror_error_set( |
2283 | 0 | error, |
2284 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2285 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2286 | 0 | "%s: unable to set path string segment: %d.", |
2287 | 0 | function, |
2288 | 0 | last_used_path_segment_index ); |
2289 | |
|
2290 | 0 | goto on_error; |
2291 | 0 | } |
2292 | | /* Find the previous path split value that contains a name |
2293 | | */ |
2294 | 0 | while( last_used_path_segment_index > 0 ) |
2295 | 0 | { |
2296 | 0 | last_used_path_segment_index--; |
2297 | |
|
2298 | 0 | if( libcsplit_narrow_split_string_get_segment_by_index( |
2299 | 0 | path_split_string, |
2300 | 0 | last_used_path_segment_index, |
2301 | 0 | &last_used_path_string_segment, |
2302 | 0 | &last_used_path_string_segment_size, |
2303 | 0 | error ) != 1 ) |
2304 | 0 | { |
2305 | 0 | libcerror_error_set( |
2306 | 0 | error, |
2307 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2308 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
2309 | 0 | "%s: unable to retrieve last used path string segment: %d.", |
2310 | 0 | function, |
2311 | 0 | last_used_path_segment_index ); |
2312 | |
|
2313 | 0 | goto on_error; |
2314 | 0 | } |
2315 | 0 | if( last_used_path_string_segment_size != 0 ) |
2316 | 0 | { |
2317 | 0 | break; |
2318 | 0 | } |
2319 | 0 | } |
2320 | 0 | } |
2321 | 0 | if( libcsplit_narrow_split_string_set_segment_by_index( |
2322 | 0 | path_split_string, |
2323 | 0 | path_segment_index, |
2324 | 0 | NULL, |
2325 | 0 | 0, |
2326 | 0 | error ) != 1 ) |
2327 | 0 | { |
2328 | 0 | libcerror_error_set( |
2329 | 0 | error, |
2330 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2331 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2332 | 0 | "%s: unable to set path string segment: %d.", |
2333 | 0 | function, |
2334 | 0 | path_segment_index ); |
2335 | |
|
2336 | 0 | goto on_error; |
2337 | 0 | } |
2338 | 0 | } |
2339 | | /* If the path is . ignore the entry |
2340 | | */ |
2341 | 0 | else if( ( path_string_segment_size == 2 ) |
2342 | 0 | && ( path_string_segment[ 0 ] == '.' ) ) |
2343 | 0 | { |
2344 | 0 | if( libcsplit_narrow_split_string_set_segment_by_index( |
2345 | 0 | path_split_string, |
2346 | 0 | path_segment_index, |
2347 | 0 | NULL, |
2348 | 0 | 0, |
2349 | 0 | error ) != 1 ) |
2350 | 0 | { |
2351 | 0 | libcerror_error_set( |
2352 | 0 | error, |
2353 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2354 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2355 | 0 | "%s: unable to set path string segment: %d.", |
2356 | 0 | function, |
2357 | 0 | path_segment_index ); |
2358 | |
|
2359 | 0 | goto on_error; |
2360 | 0 | } |
2361 | 0 | } |
2362 | | /* If the path is empty ignore the entry |
2363 | | */ |
2364 | 0 | else if( path_string_segment_size <= 1 ) |
2365 | 0 | { |
2366 | 0 | if( libcsplit_narrow_split_string_set_segment_by_index( |
2367 | 0 | path_split_string, |
2368 | 0 | path_segment_index, |
2369 | 0 | NULL, |
2370 | 0 | 0, |
2371 | 0 | error ) != 1 ) |
2372 | 0 | { |
2373 | 0 | libcerror_error_set( |
2374 | 0 | error, |
2375 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2376 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2377 | 0 | "%s: unable to set path string segment: %d.", |
2378 | 0 | function, |
2379 | 0 | path_segment_index ); |
2380 | |
|
2381 | 0 | goto on_error; |
2382 | 0 | } |
2383 | 0 | } |
2384 | 0 | else |
2385 | 0 | { |
2386 | | /* Add the size of the directory or file name and a directory separator |
2387 | | * Note that the size includes the end of string character |
2388 | | */ |
2389 | 0 | safe_full_path_size += path_string_segment_size; |
2390 | |
|
2391 | 0 | last_used_path_segment_index = path_segment_index; |
2392 | 0 | } |
2393 | 0 | } |
2394 | | /* Note that the last path separator serves as the end of string |
2395 | | */ |
2396 | 0 | full_path_index = 0; |
2397 | |
|
2398 | 0 | *full_path = narrow_string_allocate( |
2399 | 0 | safe_full_path_size ); |
2400 | |
|
2401 | 0 | if( *full_path == NULL ) |
2402 | 0 | { |
2403 | 0 | libcerror_error_set( |
2404 | 0 | error, |
2405 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
2406 | 0 | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
2407 | 0 | "%s: unable to create full path.", |
2408 | 0 | function ); |
2409 | |
|
2410 | 0 | goto on_error; |
2411 | 0 | } |
2412 | 0 | if( memory_set( |
2413 | 0 | *full_path, |
2414 | 0 | 0, |
2415 | 0 | sizeof( char ) * safe_full_path_size ) == NULL ) |
2416 | 0 | { |
2417 | 0 | libcerror_error_set( |
2418 | 0 | error, |
2419 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
2420 | 0 | LIBCERROR_MEMORY_ERROR_SET_FAILED, |
2421 | 0 | "%s: unable to clear full path.", |
2422 | 0 | function ); |
2423 | |
|
2424 | 0 | goto on_error; |
2425 | 0 | } |
2426 | 0 | *full_path_size = safe_full_path_size; |
2427 | |
|
2428 | 0 | if( path_type == LIBCPATH_TYPE_ABSOLUTE ) |
2429 | 0 | { |
2430 | 0 | ( *full_path )[ full_path_index ] = '/'; |
2431 | |
|
2432 | 0 | full_path_index += 1; |
2433 | 0 | } |
2434 | | /* If the path is relative |
2435 | | * add the current working directory elements |
2436 | | */ |
2437 | 0 | if( ( path_type == LIBCPATH_TYPE_RELATIVE ) |
2438 | 0 | && ( current_directory_split_string != NULL ) ) |
2439 | 0 | { |
2440 | 0 | for( current_directory_segment_index = 0; |
2441 | 0 | current_directory_segment_index < current_directory_number_of_segments; |
2442 | 0 | current_directory_segment_index++ ) |
2443 | 0 | { |
2444 | 0 | if( libcsplit_narrow_split_string_get_segment_by_index( |
2445 | 0 | current_directory_split_string, |
2446 | 0 | current_directory_segment_index, |
2447 | 0 | ¤t_directory_string_segment, |
2448 | 0 | ¤t_directory_string_segment_size, |
2449 | 0 | error ) != 1 ) |
2450 | 0 | { |
2451 | 0 | libcerror_error_set( |
2452 | 0 | error, |
2453 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2454 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
2455 | 0 | "%s: unable to retrieve current working directory string segment: %d.", |
2456 | 0 | function, |
2457 | 0 | current_directory_segment_index ); |
2458 | |
|
2459 | 0 | goto on_error; |
2460 | 0 | } |
2461 | 0 | if( current_directory_string_segment_size != 0 ) |
2462 | 0 | { |
2463 | 0 | if( current_directory_string_segment == NULL ) |
2464 | 0 | { |
2465 | 0 | libcerror_error_set( |
2466 | 0 | error, |
2467 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2468 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
2469 | 0 | "%s: missing current working directory string segment: %d.", |
2470 | 0 | function, |
2471 | 0 | current_directory_segment_index ); |
2472 | |
|
2473 | 0 | goto on_error; |
2474 | 0 | } |
2475 | 0 | if( narrow_string_copy( |
2476 | 0 | &( ( *full_path )[ full_path_index ] ), |
2477 | 0 | current_directory_string_segment, |
2478 | 0 | current_directory_string_segment_size - 1 ) == NULL ) |
2479 | 0 | { |
2480 | 0 | libcerror_error_set( |
2481 | 0 | error, |
2482 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2483 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2484 | 0 | "%s: unable to set current working directory split value: %d in full path.", |
2485 | 0 | function, |
2486 | 0 | current_directory_segment_index ); |
2487 | |
|
2488 | 0 | goto on_error; |
2489 | 0 | } |
2490 | 0 | full_path_index += current_directory_string_segment_size - 1; |
2491 | |
|
2492 | 0 | ( *full_path )[ full_path_index ] = '/'; |
2493 | |
|
2494 | 0 | full_path_index += 1; |
2495 | 0 | } |
2496 | 0 | } |
2497 | 0 | } |
2498 | 0 | for( path_segment_index = 0; |
2499 | 0 | path_segment_index < path_number_of_segments; |
2500 | 0 | path_segment_index++ ) |
2501 | 0 | { |
2502 | 0 | if( libcsplit_narrow_split_string_get_segment_by_index( |
2503 | 0 | path_split_string, |
2504 | 0 | path_segment_index, |
2505 | 0 | &path_string_segment, |
2506 | 0 | &path_string_segment_size, |
2507 | 0 | error ) != 1 ) |
2508 | 0 | { |
2509 | 0 | libcerror_error_set( |
2510 | 0 | error, |
2511 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2512 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
2513 | 0 | "%s: unable to retrieve path string segment: %d.", |
2514 | 0 | function, |
2515 | 0 | path_segment_index ); |
2516 | |
|
2517 | 0 | goto on_error; |
2518 | 0 | } |
2519 | 0 | if( path_string_segment_size != 0 ) |
2520 | 0 | { |
2521 | 0 | if( path_string_segment == NULL ) |
2522 | 0 | { |
2523 | 0 | libcerror_error_set( |
2524 | 0 | error, |
2525 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2526 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
2527 | 0 | "%s: missing path string segment: %d.", |
2528 | 0 | function, |
2529 | 0 | path_segment_index ); |
2530 | |
|
2531 | 0 | goto on_error; |
2532 | 0 | } |
2533 | 0 | if( narrow_string_copy( |
2534 | 0 | &( ( *full_path )[ full_path_index ] ), |
2535 | 0 | path_string_segment, |
2536 | 0 | path_string_segment_size - 1 ) == NULL ) |
2537 | 0 | { |
2538 | 0 | libcerror_error_set( |
2539 | 0 | error, |
2540 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2541 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2542 | 0 | "%s: unable to set path split value: %d in full path.", |
2543 | 0 | function, |
2544 | 0 | path_segment_index ); |
2545 | |
|
2546 | 0 | goto on_error; |
2547 | 0 | } |
2548 | 0 | full_path_index += path_string_segment_size - 1; |
2549 | |
|
2550 | 0 | ( *full_path )[ full_path_index ] = '/'; |
2551 | |
|
2552 | 0 | full_path_index += 1; |
2553 | 0 | } |
2554 | 0 | } |
2555 | 0 | ( *full_path )[ full_path_index - 1 ] = 0; |
2556 | |
|
2557 | 0 | if( libcsplit_narrow_split_string_free( |
2558 | 0 | &path_split_string, |
2559 | 0 | error ) != 1 ) |
2560 | 0 | { |
2561 | 0 | libcerror_error_set( |
2562 | 0 | error, |
2563 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2564 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
2565 | 0 | "%s: unable to free path split string.", |
2566 | 0 | function ); |
2567 | |
|
2568 | 0 | goto on_error; |
2569 | 0 | } |
2570 | 0 | if( current_directory_split_string != NULL ) |
2571 | 0 | { |
2572 | 0 | if( libcsplit_narrow_split_string_free( |
2573 | 0 | ¤t_directory_split_string, |
2574 | 0 | error ) != 1 ) |
2575 | 0 | { |
2576 | 0 | libcerror_error_set( |
2577 | 0 | error, |
2578 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2579 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
2580 | 0 | "%s: unable to free current working directory split string.", |
2581 | 0 | function ); |
2582 | |
|
2583 | 0 | goto on_error; |
2584 | 0 | } |
2585 | 0 | } |
2586 | 0 | if( current_directory != NULL ) |
2587 | 0 | { |
2588 | 0 | memory_free( |
2589 | 0 | current_directory ); |
2590 | 0 | } |
2591 | 0 | return( 1 ); |
2592 | | |
2593 | 0 | on_error: |
2594 | 0 | if( *full_path != NULL ) |
2595 | 0 | { |
2596 | 0 | memory_free( |
2597 | 0 | *full_path ); |
2598 | |
|
2599 | 0 | *full_path = NULL; |
2600 | 0 | } |
2601 | 0 | *full_path_size = 0; |
2602 | |
|
2603 | 0 | if( path_split_string != NULL ) |
2604 | 0 | { |
2605 | 0 | libcsplit_narrow_split_string_free( |
2606 | 0 | &path_split_string, |
2607 | 0 | NULL ); |
2608 | 0 | } |
2609 | 0 | if( current_directory_split_string != NULL ) |
2610 | 0 | { |
2611 | 0 | libcsplit_narrow_split_string_free( |
2612 | 0 | ¤t_directory_split_string, |
2613 | 0 | NULL ); |
2614 | 0 | } |
2615 | 0 | if( current_directory != NULL ) |
2616 | 0 | { |
2617 | 0 | memory_free( |
2618 | 0 | current_directory ); |
2619 | 0 | } |
2620 | 0 | return( -1 ); |
2621 | 0 | } |
2622 | | |
2623 | | #endif /* defined( WINAPI ) */ |
2624 | | |
2625 | | /* Retrieves the size of a sanitized version of the path character |
2626 | | * Returns 1 if successful or -1 on error |
2627 | | */ |
2628 | | int libcpath_path_get_sanitized_character_size( |
2629 | | char character, |
2630 | | size_t *sanitized_character_size, |
2631 | | libcerror_error_t **error ) |
2632 | 0 | { |
2633 | 0 | static char *function = "libcpath_path_get_sanitized_character_size"; |
2634 | |
|
2635 | 0 | if( sanitized_character_size == NULL ) |
2636 | 0 | { |
2637 | 0 | libcerror_error_set( |
2638 | 0 | error, |
2639 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2640 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2641 | 0 | "%s: invalid sanitized character size.", |
2642 | 0 | function ); |
2643 | |
|
2644 | 0 | return( -1 ); |
2645 | 0 | } |
2646 | 0 | if( ( character >= 0x00 ) |
2647 | 0 | && ( character <= 0x1f ) ) |
2648 | 0 | { |
2649 | 0 | *sanitized_character_size = 4; |
2650 | 0 | } |
2651 | 0 | else if( character == LIBCPATH_ESCAPE_CHARACTER ) |
2652 | 0 | { |
2653 | 0 | *sanitized_character_size = 2; |
2654 | 0 | } |
2655 | | #if defined( WINAPI ) |
2656 | | else if( character == '/' ) |
2657 | | { |
2658 | | *sanitized_character_size = 4; |
2659 | | } |
2660 | | #endif |
2661 | 0 | else if( ( character == '!' ) |
2662 | 0 | || ( character == '$' ) |
2663 | 0 | || ( character == '%' ) |
2664 | 0 | || ( character == '&' ) |
2665 | 0 | || ( character == '*' ) |
2666 | 0 | || ( character == '+' ) |
2667 | 0 | || ( character == ':' ) |
2668 | 0 | || ( character == ';' ) |
2669 | 0 | || ( character == '<' ) |
2670 | 0 | || ( character == '>' ) |
2671 | 0 | || ( character == '?' ) |
2672 | 0 | || ( character == '|' ) |
2673 | 0 | || ( character == 0x7f ) ) |
2674 | 0 | { |
2675 | 0 | *sanitized_character_size = 4; |
2676 | 0 | } |
2677 | 0 | else |
2678 | 0 | { |
2679 | 0 | *sanitized_character_size = 1; |
2680 | 0 | } |
2681 | 0 | return( 1 ); |
2682 | 0 | } |
2683 | | |
2684 | | /* Retrieves a sanitized version of the path character |
2685 | | * Returns 1 if successful or -1 on error |
2686 | | */ |
2687 | | int libcpath_path_get_sanitized_character( |
2688 | | char character, |
2689 | | size_t sanitized_character_size, |
2690 | | char *sanitized_path, |
2691 | | size_t sanitized_path_size, |
2692 | | size_t *sanitized_path_index, |
2693 | | libcerror_error_t **error ) |
2694 | 0 | { |
2695 | 0 | static char *function = "libcpath_path_get_sanitized_character"; |
2696 | 0 | size_t safe_sanitized_path_index = 0; |
2697 | 0 | char lower_nibble = 0; |
2698 | 0 | char upper_nibble = 0; |
2699 | |
|
2700 | 0 | if( ( sanitized_character_size != 1 ) |
2701 | 0 | && ( sanitized_character_size != 2 ) |
2702 | 0 | && ( sanitized_character_size != 4 ) ) |
2703 | 0 | { |
2704 | 0 | libcerror_error_set( |
2705 | 0 | error, |
2706 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2707 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS, |
2708 | 0 | "%s: invalid sanitized character size value out of bounds.", |
2709 | 0 | function ); |
2710 | |
|
2711 | 0 | return( -1 ); |
2712 | 0 | } |
2713 | 0 | if( sanitized_path == NULL ) |
2714 | 0 | { |
2715 | 0 | libcerror_error_set( |
2716 | 0 | error, |
2717 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2718 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2719 | 0 | "%s: invalid sanitized path.", |
2720 | 0 | function ); |
2721 | |
|
2722 | 0 | return( -1 ); |
2723 | 0 | } |
2724 | 0 | if( sanitized_path_size > (size_t) SSIZE_MAX ) |
2725 | 0 | { |
2726 | 0 | libcerror_error_set( |
2727 | 0 | error, |
2728 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2729 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
2730 | 0 | "%s: invalid sanitized path size value exceeds maximum.", |
2731 | 0 | function ); |
2732 | |
|
2733 | 0 | return( -1 ); |
2734 | 0 | } |
2735 | 0 | if( sanitized_path_index == NULL ) |
2736 | 0 | { |
2737 | 0 | libcerror_error_set( |
2738 | 0 | error, |
2739 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2740 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2741 | 0 | "%s: invalid sanitized path index.", |
2742 | 0 | function ); |
2743 | |
|
2744 | 0 | return( -1 ); |
2745 | 0 | } |
2746 | 0 | safe_sanitized_path_index = *sanitized_path_index; |
2747 | |
|
2748 | 0 | if( safe_sanitized_path_index > sanitized_path_size ) |
2749 | 0 | { |
2750 | 0 | libcerror_error_set( |
2751 | 0 | error, |
2752 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2753 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS, |
2754 | 0 | "%s: invalid sanitized path index value out of bounds.", |
2755 | 0 | function ); |
2756 | |
|
2757 | 0 | return( -1 ); |
2758 | 0 | } |
2759 | 0 | if( ( sanitized_character_size > sanitized_path_size ) |
2760 | 0 | || ( safe_sanitized_path_index > ( sanitized_path_size - sanitized_character_size ) ) ) |
2761 | 0 | { |
2762 | 0 | libcerror_error_set( |
2763 | 0 | error, |
2764 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2765 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL, |
2766 | 0 | "%s: invalid sanitized path size value too small.", |
2767 | 0 | function ); |
2768 | |
|
2769 | 0 | return( -1 ); |
2770 | 0 | } |
2771 | 0 | if( sanitized_character_size == 1 ) |
2772 | 0 | { |
2773 | 0 | sanitized_path[ safe_sanitized_path_index++ ] = character; |
2774 | 0 | } |
2775 | 0 | else if( sanitized_character_size == 2 ) |
2776 | 0 | { |
2777 | 0 | sanitized_path[ safe_sanitized_path_index++ ] = LIBCPATH_ESCAPE_CHARACTER; |
2778 | 0 | sanitized_path[ safe_sanitized_path_index++ ] = LIBCPATH_ESCAPE_CHARACTER; |
2779 | 0 | } |
2780 | 0 | else if( sanitized_character_size == 4 ) |
2781 | 0 | { |
2782 | 0 | lower_nibble = character & 0x0f; |
2783 | 0 | upper_nibble = ( character >> 4 ) & 0x0f; |
2784 | |
|
2785 | 0 | if( lower_nibble > 10 ) |
2786 | 0 | { |
2787 | 0 | lower_nibble += 'a' - 10; |
2788 | 0 | } |
2789 | 0 | else |
2790 | 0 | { |
2791 | 0 | lower_nibble += '0'; |
2792 | 0 | } |
2793 | 0 | if( upper_nibble > 10 ) |
2794 | 0 | { |
2795 | 0 | upper_nibble += 'a' - 10; |
2796 | 0 | } |
2797 | 0 | else |
2798 | 0 | { |
2799 | 0 | upper_nibble += '0'; |
2800 | 0 | } |
2801 | 0 | sanitized_path[ safe_sanitized_path_index++ ] = LIBCPATH_ESCAPE_CHARACTER; |
2802 | 0 | sanitized_path[ safe_sanitized_path_index++ ] = 'x'; |
2803 | 0 | sanitized_path[ safe_sanitized_path_index++ ] = upper_nibble; |
2804 | 0 | sanitized_path[ safe_sanitized_path_index++ ] = lower_nibble; |
2805 | 0 | } |
2806 | 0 | *sanitized_path_index = safe_sanitized_path_index; |
2807 | |
|
2808 | 0 | return( 1 ); |
2809 | 0 | } |
2810 | | |
2811 | | /* Retrieves a sanitized version of the filename |
2812 | | * Returns 1 if successful or -1 on error |
2813 | | */ |
2814 | | int libcpath_path_get_sanitized_filename( |
2815 | | const char *filename, |
2816 | | size_t filename_length, |
2817 | | char **sanitized_filename, |
2818 | | size_t *sanitized_filename_size, |
2819 | | libcerror_error_t **error ) |
2820 | 0 | { |
2821 | 0 | static char *function = "libcpath_path_get_sanitized_filename"; |
2822 | 0 | char *safe_sanitized_filename = NULL; |
2823 | 0 | size_t filename_index = 0; |
2824 | 0 | size_t sanitized_character_size = 0; |
2825 | 0 | size_t safe_sanitized_filename_size = 0; |
2826 | 0 | size_t sanitized_filename_index = 0; |
2827 | |
|
2828 | 0 | if( filename == NULL ) |
2829 | 0 | { |
2830 | 0 | libcerror_error_set( |
2831 | 0 | error, |
2832 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2833 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2834 | 0 | "%s: invalid filename.", |
2835 | 0 | function ); |
2836 | |
|
2837 | 0 | return( -1 ); |
2838 | 0 | } |
2839 | 0 | if( filename_length == 0 ) |
2840 | 0 | { |
2841 | 0 | libcerror_error_set( |
2842 | 0 | error, |
2843 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2844 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_ZERO_OR_LESS, |
2845 | 0 | "%s: invalid filename length is zero.", |
2846 | 0 | function ); |
2847 | |
|
2848 | 0 | return( -1 ); |
2849 | 0 | } |
2850 | 0 | if( filename_length > (size_t) ( SSIZE_MAX - 1 ) ) |
2851 | 0 | { |
2852 | 0 | libcerror_error_set( |
2853 | 0 | error, |
2854 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2855 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
2856 | 0 | "%s: invalid filename length value exceeds maximum.", |
2857 | 0 | function ); |
2858 | |
|
2859 | 0 | return( -1 ); |
2860 | 0 | } |
2861 | 0 | if( sanitized_filename == 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 sanitized filename.", |
2868 | 0 | function ); |
2869 | |
|
2870 | 0 | return( -1 ); |
2871 | 0 | } |
2872 | 0 | if( *sanitized_filename != NULL ) |
2873 | 0 | { |
2874 | 0 | libcerror_error_set( |
2875 | 0 | error, |
2876 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2877 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
2878 | 0 | "%s: invalid sanitized filename value already set.", |
2879 | 0 | function ); |
2880 | |
|
2881 | 0 | return( -1 ); |
2882 | 0 | } |
2883 | 0 | if( sanitized_filename_size == NULL ) |
2884 | 0 | { |
2885 | 0 | libcerror_error_set( |
2886 | 0 | error, |
2887 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2888 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2889 | 0 | "%s: invalid sanitized filename size.", |
2890 | 0 | function ); |
2891 | |
|
2892 | 0 | return( -1 ); |
2893 | 0 | } |
2894 | 0 | safe_sanitized_filename_size = 1; |
2895 | |
|
2896 | 0 | for( filename_index = 0; |
2897 | 0 | filename_index < filename_length; |
2898 | 0 | filename_index++ ) |
2899 | 0 | { |
2900 | 0 | if( filename[ filename_index ] == LIBCPATH_SEPARATOR ) |
2901 | 0 | { |
2902 | 0 | sanitized_character_size = 4; |
2903 | 0 | } |
2904 | 0 | else if( libcpath_path_get_sanitized_character_size( |
2905 | 0 | filename[ filename_index ], |
2906 | 0 | &sanitized_character_size, |
2907 | 0 | error ) != 1 ) |
2908 | 0 | { |
2909 | 0 | libcerror_error_set( |
2910 | 0 | error, |
2911 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2912 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
2913 | 0 | "%s: unable to determine sanitize character size.", |
2914 | 0 | function ); |
2915 | |
|
2916 | 0 | goto on_error; |
2917 | 0 | } |
2918 | 0 | safe_sanitized_filename_size += sanitized_character_size; |
2919 | 0 | } |
2920 | 0 | if( safe_sanitized_filename_size > (size_t) SSIZE_MAX ) |
2921 | 0 | { |
2922 | 0 | libcerror_error_set( |
2923 | 0 | error, |
2924 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2925 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
2926 | 0 | "%s: invalid sanitized filename size value exceeds maximum.", |
2927 | 0 | function ); |
2928 | |
|
2929 | 0 | goto on_error; |
2930 | 0 | } |
2931 | 0 | safe_sanitized_filename = narrow_string_allocate( |
2932 | 0 | safe_sanitized_filename_size ); |
2933 | |
|
2934 | 0 | if( safe_sanitized_filename == NULL ) |
2935 | 0 | { |
2936 | 0 | libcerror_error_set( |
2937 | 0 | error, |
2938 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
2939 | 0 | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
2940 | 0 | "%s: unable to create sanitized filename.", |
2941 | 0 | function ); |
2942 | |
|
2943 | 0 | goto on_error; |
2944 | 0 | } |
2945 | 0 | for( filename_index = 0; |
2946 | 0 | filename_index < filename_length; |
2947 | 0 | filename_index++ ) |
2948 | 0 | { |
2949 | 0 | if( filename[ filename_index ] == LIBCPATH_SEPARATOR ) |
2950 | 0 | { |
2951 | 0 | sanitized_character_size = 4; |
2952 | 0 | } |
2953 | 0 | else if( libcpath_path_get_sanitized_character_size( |
2954 | 0 | filename[ filename_index ], |
2955 | 0 | &sanitized_character_size, |
2956 | 0 | error ) != 1 ) |
2957 | 0 | { |
2958 | 0 | libcerror_error_set( |
2959 | 0 | error, |
2960 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2961 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
2962 | 0 | "%s: unable to determine sanitize character size.", |
2963 | 0 | function ); |
2964 | |
|
2965 | 0 | goto on_error; |
2966 | 0 | } |
2967 | 0 | if( libcpath_path_get_sanitized_character( |
2968 | 0 | filename[ filename_index ], |
2969 | 0 | sanitized_character_size, |
2970 | 0 | safe_sanitized_filename, |
2971 | 0 | safe_sanitized_filename_size, |
2972 | 0 | &sanitized_filename_index, |
2973 | 0 | error ) != 1 ) |
2974 | 0 | { |
2975 | 0 | libcerror_error_set( |
2976 | 0 | error, |
2977 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2978 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
2979 | 0 | "%s: unable to determine sanitize character size.", |
2980 | 0 | function ); |
2981 | |
|
2982 | 0 | goto on_error; |
2983 | 0 | } |
2984 | 0 | } |
2985 | 0 | safe_sanitized_filename[ sanitized_filename_index ] = 0; |
2986 | |
|
2987 | 0 | *sanitized_filename = safe_sanitized_filename; |
2988 | 0 | *sanitized_filename_size = safe_sanitized_filename_size; |
2989 | |
|
2990 | 0 | return( 1 ); |
2991 | | |
2992 | 0 | on_error: |
2993 | 0 | if( safe_sanitized_filename != NULL ) |
2994 | 0 | { |
2995 | 0 | memory_free( |
2996 | 0 | safe_sanitized_filename ); |
2997 | 0 | } |
2998 | 0 | return( -1 ); |
2999 | 0 | } |
3000 | | |
3001 | | /* Retrieves a sanitized version of the path |
3002 | | * Returns 1 if successful or -1 on error |
3003 | | */ |
3004 | | int libcpath_path_get_sanitized_path( |
3005 | | const char *path, |
3006 | | size_t path_length, |
3007 | | char **sanitized_path, |
3008 | | size_t *sanitized_path_size, |
3009 | | libcerror_error_t **error ) |
3010 | 0 | { |
3011 | 0 | static char *function = "libcpath_path_get_sanitized_path"; |
3012 | 0 | char *safe_sanitized_path = NULL; |
3013 | 0 | size_t path_index = 0; |
3014 | 0 | size_t safe_sanitized_path_size = 0; |
3015 | 0 | size_t sanitized_character_size = 0; |
3016 | 0 | size_t sanitized_path_index = 0; |
3017 | |
|
3018 | | #if defined( WINAPI ) |
3019 | | size_t last_path_segment_seperator_index = 0; |
3020 | | #endif |
3021 | |
|
3022 | 0 | if( path == NULL ) |
3023 | 0 | { |
3024 | 0 | libcerror_error_set( |
3025 | 0 | error, |
3026 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3027 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3028 | 0 | "%s: invalid path.", |
3029 | 0 | function ); |
3030 | |
|
3031 | 0 | return( -1 ); |
3032 | 0 | } |
3033 | 0 | if( path_length == 0 ) |
3034 | 0 | { |
3035 | 0 | libcerror_error_set( |
3036 | 0 | error, |
3037 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3038 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_ZERO_OR_LESS, |
3039 | 0 | "%s: invalid path length is zero.", |
3040 | 0 | function ); |
3041 | |
|
3042 | 0 | return( -1 ); |
3043 | 0 | } |
3044 | 0 | if( path_length > (size_t) ( SSIZE_MAX - 1 ) ) |
3045 | 0 | { |
3046 | 0 | libcerror_error_set( |
3047 | 0 | error, |
3048 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3049 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
3050 | 0 | "%s: invalid path length value exceeds maximum.", |
3051 | 0 | function ); |
3052 | |
|
3053 | 0 | return( -1 ); |
3054 | 0 | } |
3055 | 0 | if( sanitized_path == NULL ) |
3056 | 0 | { |
3057 | 0 | libcerror_error_set( |
3058 | 0 | error, |
3059 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3060 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3061 | 0 | "%s: invalid sanitized path.", |
3062 | 0 | function ); |
3063 | |
|
3064 | 0 | return( -1 ); |
3065 | 0 | } |
3066 | 0 | if( *sanitized_path != NULL ) |
3067 | 0 | { |
3068 | 0 | libcerror_error_set( |
3069 | 0 | error, |
3070 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3071 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
3072 | 0 | "%s: invalid sanitized path value already set.", |
3073 | 0 | function ); |
3074 | |
|
3075 | 0 | return( -1 ); |
3076 | 0 | } |
3077 | 0 | if( sanitized_path_size == NULL ) |
3078 | 0 | { |
3079 | 0 | libcerror_error_set( |
3080 | 0 | error, |
3081 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3082 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3083 | 0 | "%s: invalid sanitized path size.", |
3084 | 0 | function ); |
3085 | |
|
3086 | 0 | return( -1 ); |
3087 | 0 | } |
3088 | 0 | safe_sanitized_path_size = 1; |
3089 | |
|
3090 | 0 | for( path_index = 0; |
3091 | 0 | path_index < path_length; |
3092 | 0 | path_index++ ) |
3093 | 0 | { |
3094 | 0 | if( libcpath_path_get_sanitized_character_size( |
3095 | 0 | path[ path_index ], |
3096 | 0 | &sanitized_character_size, |
3097 | 0 | error ) != 1 ) |
3098 | 0 | { |
3099 | 0 | libcerror_error_set( |
3100 | 0 | error, |
3101 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3102 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
3103 | 0 | "%s: unable to determine sanitize character size.", |
3104 | 0 | function ); |
3105 | |
|
3106 | 0 | goto on_error; |
3107 | 0 | } |
3108 | 0 | safe_sanitized_path_size += sanitized_character_size; |
3109 | |
|
3110 | | #if defined( WINAPI ) |
3111 | | if( path[ path_index ] == LIBCPATH_SEPARATOR ) |
3112 | | { |
3113 | | last_path_segment_seperator_index = path_index; |
3114 | | } |
3115 | | #endif |
3116 | 0 | } |
3117 | 0 | if( safe_sanitized_path_size > (size_t) SSIZE_MAX ) |
3118 | 0 | { |
3119 | 0 | libcerror_error_set( |
3120 | 0 | error, |
3121 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3122 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
3123 | 0 | "%s: invalid sanitized path size value exceeds maximum.", |
3124 | 0 | function ); |
3125 | |
|
3126 | 0 | goto on_error; |
3127 | 0 | } |
3128 | | #if defined( WINAPI ) |
3129 | | if( last_path_segment_seperator_index > 32767 ) |
3130 | | { |
3131 | | libcerror_error_set( |
3132 | | error, |
3133 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3134 | | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
3135 | | "%s: last path segment separator value out of bounds.", |
3136 | | function ); |
3137 | | |
3138 | | goto on_error; |
3139 | | } |
3140 | | if( safe_sanitized_path_size > 32767 ) |
3141 | | { |
3142 | | safe_sanitized_path_size = 32767; |
3143 | | } |
3144 | | #endif |
3145 | 0 | safe_sanitized_path = narrow_string_allocate( |
3146 | 0 | safe_sanitized_path_size ); |
3147 | |
|
3148 | 0 | if( safe_sanitized_path == NULL ) |
3149 | 0 | { |
3150 | 0 | libcerror_error_set( |
3151 | 0 | error, |
3152 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
3153 | 0 | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
3154 | 0 | "%s: unable to create sanitized path.", |
3155 | 0 | function ); |
3156 | |
|
3157 | 0 | goto on_error; |
3158 | 0 | } |
3159 | 0 | for( path_index = 0; |
3160 | 0 | path_index < path_length; |
3161 | 0 | path_index++ ) |
3162 | 0 | { |
3163 | 0 | if( libcpath_path_get_sanitized_character_size( |
3164 | 0 | path[ path_index ], |
3165 | 0 | &sanitized_character_size, |
3166 | 0 | error ) != 1 ) |
3167 | 0 | { |
3168 | 0 | libcerror_error_set( |
3169 | 0 | error, |
3170 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3171 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
3172 | 0 | "%s: unable to determine sanitize character size.", |
3173 | 0 | function ); |
3174 | |
|
3175 | 0 | goto on_error; |
3176 | 0 | } |
3177 | 0 | if( libcpath_path_get_sanitized_character( |
3178 | 0 | path[ path_index ], |
3179 | 0 | sanitized_character_size, |
3180 | 0 | safe_sanitized_path, |
3181 | 0 | safe_sanitized_path_size, |
3182 | 0 | &sanitized_path_index, |
3183 | 0 | error ) != 1 ) |
3184 | 0 | { |
3185 | 0 | libcerror_error_set( |
3186 | 0 | error, |
3187 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3188 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
3189 | 0 | "%s: unable to determine sanitize character size.", |
3190 | 0 | function ); |
3191 | |
|
3192 | 0 | goto on_error; |
3193 | 0 | } |
3194 | 0 | } |
3195 | 0 | safe_sanitized_path[ sanitized_path_index ] = 0; |
3196 | |
|
3197 | 0 | *sanitized_path = safe_sanitized_path; |
3198 | 0 | *sanitized_path_size = safe_sanitized_path_size; |
3199 | |
|
3200 | 0 | return( 1 ); |
3201 | | |
3202 | 0 | on_error: |
3203 | 0 | if( safe_sanitized_path != NULL ) |
3204 | 0 | { |
3205 | 0 | memory_free( |
3206 | 0 | safe_sanitized_path ); |
3207 | 0 | } |
3208 | 0 | return( -1 ); |
3209 | 0 | } |
3210 | | |
3211 | | /* Combines the directory name and filename into a path |
3212 | | * Returns 1 if successful or -1 on error |
3213 | | */ |
3214 | | int libcpath_path_join( |
3215 | | char **path, |
3216 | | size_t *path_size, |
3217 | | const char *directory_name, |
3218 | | size_t directory_name_length, |
3219 | | const char *filename, |
3220 | | size_t filename_length, |
3221 | | libcerror_error_t **error ) |
3222 | 0 | { |
3223 | 0 | static char *function = "libcpath_path_join"; |
3224 | 0 | size_t filename_index = 0; |
3225 | 0 | size_t path_index = 0; |
3226 | |
|
3227 | 0 | if( path == NULL ) |
3228 | 0 | { |
3229 | 0 | libcerror_error_set( |
3230 | 0 | error, |
3231 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3232 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3233 | 0 | "%s: invalid path.", |
3234 | 0 | function ); |
3235 | |
|
3236 | 0 | return( -1 ); |
3237 | 0 | } |
3238 | 0 | if( *path != NULL ) |
3239 | 0 | { |
3240 | 0 | libcerror_error_set( |
3241 | 0 | error, |
3242 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3243 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
3244 | 0 | "%s: invalid path value already set.", |
3245 | 0 | function ); |
3246 | |
|
3247 | 0 | return( -1 ); |
3248 | 0 | } |
3249 | 0 | if( path_size == NULL ) |
3250 | 0 | { |
3251 | 0 | libcerror_error_set( |
3252 | 0 | error, |
3253 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3254 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3255 | 0 | "%s: invalid path size.", |
3256 | 0 | function ); |
3257 | |
|
3258 | 0 | return( -1 ); |
3259 | 0 | } |
3260 | 0 | if( directory_name == NULL ) |
3261 | 0 | { |
3262 | 0 | libcerror_error_set( |
3263 | 0 | error, |
3264 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3265 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3266 | 0 | "%s: invalid directory name.", |
3267 | 0 | function ); |
3268 | |
|
3269 | 0 | return( -1 ); |
3270 | 0 | } |
3271 | 0 | if( directory_name_length > (size_t) SSIZE_MAX ) |
3272 | 0 | { |
3273 | 0 | libcerror_error_set( |
3274 | 0 | error, |
3275 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3276 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
3277 | 0 | "%s: invalid directory name length value exceeds maximum.", |
3278 | 0 | function ); |
3279 | |
|
3280 | 0 | return( -1 ); |
3281 | 0 | } |
3282 | 0 | if( filename == NULL ) |
3283 | 0 | { |
3284 | 0 | libcerror_error_set( |
3285 | 0 | error, |
3286 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3287 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3288 | 0 | "%s: invalid filename.", |
3289 | 0 | function ); |
3290 | |
|
3291 | 0 | return( -1 ); |
3292 | 0 | } |
3293 | 0 | if( filename_length > (size_t) SSIZE_MAX ) |
3294 | 0 | { |
3295 | 0 | libcerror_error_set( |
3296 | 0 | error, |
3297 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3298 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
3299 | 0 | "%s: invalid filename length value exceeds maximum.", |
3300 | 0 | function ); |
3301 | |
|
3302 | 0 | return( -1 ); |
3303 | 0 | } |
3304 | | /* TODO strip other patterns like /./ */ |
3305 | 0 | while( directory_name_length > 0 ) |
3306 | 0 | { |
3307 | 0 | if( directory_name[ directory_name_length - 1 ] != (char) LIBCPATH_SEPARATOR ) |
3308 | 0 | { |
3309 | 0 | break; |
3310 | 0 | } |
3311 | 0 | directory_name_length--; |
3312 | 0 | } |
3313 | 0 | while( filename_length > 0 ) |
3314 | 0 | { |
3315 | 0 | if( filename[ filename_index ] != (char) LIBCPATH_SEPARATOR ) |
3316 | 0 | { |
3317 | 0 | break; |
3318 | 0 | } |
3319 | 0 | filename_index++; |
3320 | 0 | filename_length--; |
3321 | 0 | } |
3322 | 0 | *path_size = directory_name_length + filename_length + 2; |
3323 | |
|
3324 | 0 | *path = narrow_string_allocate( |
3325 | 0 | *path_size ); |
3326 | |
|
3327 | 0 | if( *path == NULL ) |
3328 | 0 | { |
3329 | 0 | libcerror_error_set( |
3330 | 0 | error, |
3331 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
3332 | 0 | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
3333 | 0 | "%s: unable to create path.", |
3334 | 0 | function ); |
3335 | |
|
3336 | 0 | goto on_error; |
3337 | 0 | } |
3338 | 0 | if( narrow_string_copy( |
3339 | 0 | *path, |
3340 | 0 | directory_name, |
3341 | 0 | directory_name_length ) == NULL ) |
3342 | 0 | { |
3343 | 0 | libcerror_error_set( |
3344 | 0 | error, |
3345 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
3346 | 0 | LIBCERROR_MEMORY_ERROR_COPY_FAILED, |
3347 | 0 | "%s: unable to copy directory name to path.", |
3348 | 0 | function ); |
3349 | |
|
3350 | 0 | goto on_error; |
3351 | 0 | } |
3352 | 0 | path_index = directory_name_length; |
3353 | |
|
3354 | 0 | ( *path )[ path_index++ ] = (char) LIBCPATH_SEPARATOR; |
3355 | |
|
3356 | 0 | if( narrow_string_copy( |
3357 | 0 | &( ( *path )[ path_index ] ), |
3358 | 0 | &( filename[ filename_index ] ), |
3359 | 0 | filename_length ) == NULL ) |
3360 | 0 | { |
3361 | 0 | libcerror_error_set( |
3362 | 0 | error, |
3363 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3364 | 0 | LIBCERROR_RUNTIME_ERROR_COPY_FAILED, |
3365 | 0 | "%s: unable to copy filename to path.", |
3366 | 0 | function ); |
3367 | |
|
3368 | 0 | goto on_error; |
3369 | 0 | } |
3370 | 0 | path_index += filename_length; |
3371 | |
|
3372 | 0 | ( *path )[ path_index ] = 0; |
3373 | |
|
3374 | 0 | return( 1 ); |
3375 | | |
3376 | 0 | on_error: |
3377 | 0 | if( *path != NULL ) |
3378 | 0 | { |
3379 | 0 | memory_free( |
3380 | 0 | *path ); |
3381 | |
|
3382 | 0 | *path = NULL; |
3383 | 0 | } |
3384 | 0 | *path_size = 0; |
3385 | |
|
3386 | 0 | return( -1 ); |
3387 | 0 | } |
3388 | | |
3389 | | #if defined( WINAPI ) && ( WINVER <= 0x0500 ) |
3390 | | |
3391 | | /* Cross Windows safe version of CreateDirectoryA |
3392 | | * Returns TRUE if successful or FALSE on error |
3393 | | */ |
3394 | | BOOL libcpath_CreateDirectoryA( |
3395 | | LPCSTR path, |
3396 | | SECURITY_ATTRIBUTES *security_attributes ) |
3397 | | { |
3398 | | FARPROC function = NULL; |
3399 | | HMODULE library_handle = NULL; |
3400 | | BOOL result = FALSE; |
3401 | | |
3402 | | if( path == NULL ) |
3403 | | { |
3404 | | return( 0 ); |
3405 | | } |
3406 | | library_handle = LoadLibrary( |
3407 | | _SYSTEM_STRING( "kernel32.dll" ) ); |
3408 | | |
3409 | | if( library_handle == NULL ) |
3410 | | { |
3411 | | return( 0 ); |
3412 | | } |
3413 | | function = GetProcAddress( |
3414 | | library_handle, |
3415 | | (LPCSTR) "CreateDirectoryA" ); |
3416 | | |
3417 | | if( function != NULL ) |
3418 | | { |
3419 | | result = function( |
3420 | | path, |
3421 | | security_attributes ); |
3422 | | } |
3423 | | /* This call should be after using the function |
3424 | | * in most cases kernel32.dll will still be available after free |
3425 | | */ |
3426 | | if( FreeLibrary( |
3427 | | library_handle ) != TRUE ) |
3428 | | { |
3429 | | libcpath_CloseHandle( |
3430 | | library_handle ); |
3431 | | |
3432 | | return( 0 ); |
3433 | | } |
3434 | | return( result ); |
3435 | | } |
3436 | | |
3437 | | #endif /* defined( WINAPI ) && ( WINVER <= 0x0500 ) */ |
3438 | | |
3439 | | #if defined( WINAPI ) |
3440 | | |
3441 | | /* Makes the directory |
3442 | | * This function uses the WINAPI function for Windows XP (0x0501) or later |
3443 | | * or tries to dynamically call the function for Windows 2000 (0x0500) or earlier |
3444 | | * Returns 1 if successful or -1 on error |
3445 | | */ |
3446 | | int libcpath_path_make_directory( |
3447 | | const char *directory_name, |
3448 | | libcerror_error_t **error ) |
3449 | | { |
3450 | | static char *function = "libcpath_path_make_directory"; |
3451 | | DWORD error_code = 0; |
3452 | | |
3453 | | if( directory_name == NULL ) |
3454 | | { |
3455 | | libcerror_error_set( |
3456 | | error, |
3457 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3458 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3459 | | "%s: invalid directory name.", |
3460 | | function ); |
3461 | | |
3462 | | return( -1 ); |
3463 | | } |
3464 | | #if defined( WINAPI ) && ( WINVER <= 0x0500 ) |
3465 | | if( libcpath_CreateDirectoryA( |
3466 | | directory_name, |
3467 | | NULL ) == 0 ) |
3468 | | #else |
3469 | | if( CreateDirectoryA( |
3470 | | directory_name, |
3471 | | NULL ) == 0 ) |
3472 | | #endif |
3473 | | { |
3474 | | error_code = GetLastError(); |
3475 | | |
3476 | | libcerror_system_set_error( |
3477 | | error, |
3478 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3479 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3480 | | error_code, |
3481 | | "%s: unable to make directory.", |
3482 | | function ); |
3483 | | |
3484 | | return( -1 ); |
3485 | | } |
3486 | | return( 1 ); |
3487 | | } |
3488 | | |
3489 | | #elif defined( HAVE_MKDIR ) |
3490 | | |
3491 | | /* Makes the directory |
3492 | | * This function uses the POSIX mkdir function or equivalent |
3493 | | * Returns 1 if successful or -1 on error |
3494 | | */ |
3495 | | int libcpath_path_make_directory( |
3496 | | const char *directory_name, |
3497 | | libcerror_error_t **error ) |
3498 | 0 | { |
3499 | 0 | static char *function = "libcpath_path_make_directory"; |
3500 | |
|
3501 | 0 | if( directory_name == NULL ) |
3502 | 0 | { |
3503 | 0 | libcerror_error_set( |
3504 | 0 | error, |
3505 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3506 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3507 | 0 | "%s: invalid directory name.", |
3508 | 0 | function ); |
3509 | |
|
3510 | 0 | return( -1 ); |
3511 | 0 | } |
3512 | 0 | if( mkdir( |
3513 | 0 | directory_name, |
3514 | 0 | 0755 ) != 0 ) |
3515 | 0 | { |
3516 | 0 | libcerror_system_set_error( |
3517 | 0 | error, |
3518 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3519 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3520 | 0 | errno, |
3521 | 0 | "%s: unable to make directory.", |
3522 | 0 | function ); |
3523 | |
|
3524 | 0 | return( -1 ); |
3525 | 0 | } |
3526 | | |
3527 | 0 | return( 1 ); |
3528 | 0 | } |
3529 | | |
3530 | | #else |
3531 | | #error Missing make directory function |
3532 | | #endif |
3533 | | |
3534 | | #if defined( HAVE_WIDE_CHARACTER_TYPE ) |
3535 | | |
3536 | | #if defined( WINAPI ) && ( WINVER <= 0x0500 ) |
3537 | | |
3538 | | /* Cross Windows safe version of SetCurrentDirectoryW |
3539 | | * Returns TRUE if successful or FALSE on error |
3540 | | */ |
3541 | | BOOL libcpath_SetCurrentDirectoryW( |
3542 | | LPCWSTR path ) |
3543 | | { |
3544 | | FARPROC function = NULL; |
3545 | | HMODULE library_handle = NULL; |
3546 | | BOOL result = FALSE; |
3547 | | |
3548 | | if( path == NULL ) |
3549 | | { |
3550 | | return( FALSE ); |
3551 | | } |
3552 | | library_handle = LoadLibrary( |
3553 | | _SYSTEM_STRING( "kernel32.dll" ) ); |
3554 | | |
3555 | | if( library_handle == NULL ) |
3556 | | { |
3557 | | return( FALSE ); |
3558 | | } |
3559 | | function = GetProcAddress( |
3560 | | library_handle, |
3561 | | (LPCSTR) "SetCurrentDirectoryW" ); |
3562 | | |
3563 | | if( function != NULL ) |
3564 | | { |
3565 | | result = function( |
3566 | | path ); |
3567 | | } |
3568 | | /* This call should be after using the function |
3569 | | * in most cases kernel32.dll will still be available after free |
3570 | | */ |
3571 | | if( FreeLibrary( |
3572 | | library_handle ) != TRUE ) |
3573 | | { |
3574 | | libcpath_CloseHandle( |
3575 | | library_handle ); |
3576 | | |
3577 | | return( FALSE ); |
3578 | | } |
3579 | | return( result ); |
3580 | | } |
3581 | | |
3582 | | #endif /* defined( WINAPI ) && ( WINVER <= 0x0500 ) */ |
3583 | | |
3584 | | #if defined( WINAPI ) |
3585 | | |
3586 | | /* Changes the directory |
3587 | | * This function uses the WINAPI function for Windows XP (0x0501) or later |
3588 | | * or tries to dynamically call the function for Windows 2000 (0x0500) or earlier |
3589 | | * Returns 1 if successful or -1 on error |
3590 | | */ |
3591 | | int libcpath_path_change_directory_wide( |
3592 | | const wchar_t *directory_name, |
3593 | | libcerror_error_t **error ) |
3594 | | { |
3595 | | static char *function = "libcpath_path_change_directory_wide"; |
3596 | | DWORD error_code = 0; |
3597 | | |
3598 | | if( directory_name == NULL ) |
3599 | | { |
3600 | | libcerror_error_set( |
3601 | | error, |
3602 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3603 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3604 | | "%s: invalid directory name.", |
3605 | | function ); |
3606 | | |
3607 | | return( -1 ); |
3608 | | } |
3609 | | #if defined( WINAPI ) && ( WINVER <= 0x0500 ) |
3610 | | if( libcpath_SetCurrentDirectoryW( |
3611 | | directory_name ) == 0 ) |
3612 | | #else |
3613 | | if( SetCurrentDirectoryW( |
3614 | | directory_name ) == 0 ) |
3615 | | #endif |
3616 | | { |
3617 | | error_code = GetLastError(); |
3618 | | |
3619 | | libcerror_system_set_error( |
3620 | | error, |
3621 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3622 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3623 | | error_code, |
3624 | | "%s: unable to change directory.", |
3625 | | function ); |
3626 | | |
3627 | | return( -1 ); |
3628 | | } |
3629 | | return( 1 ); |
3630 | | } |
3631 | | |
3632 | | #elif defined( HAVE_CHDIR ) |
3633 | | |
3634 | | /* Changes the directory |
3635 | | * This function uses the POSIX chdir function or equivalent |
3636 | | * Returns 1 if successful or -1 on error |
3637 | | */ |
3638 | | int libcpath_path_change_directory_wide( |
3639 | | const wchar_t *directory_name, |
3640 | | libcerror_error_t **error ) |
3641 | | { |
3642 | | static char *function = "libcpath_path_change_directory_wide"; |
3643 | | char *narrow_directory_name = 0; |
3644 | | size_t directory_name_length = 0; |
3645 | | size_t narrow_directory_name_size = 0; |
3646 | | |
3647 | | if( directory_name == NULL ) |
3648 | | { |
3649 | | libcerror_error_set( |
3650 | | error, |
3651 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3652 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3653 | | "%s: invalid directory name.", |
3654 | | function ); |
3655 | | |
3656 | | return( -1 ); |
3657 | | } |
3658 | | directory_name_length = wide_string_length( |
3659 | | directory_name ); |
3660 | | |
3661 | | if( libcpath_system_string_size_from_wide_string( |
3662 | | directory_name, |
3663 | | directory_name_length + 1, |
3664 | | &narrow_directory_name_size, |
3665 | | error ) != 1 ) |
3666 | | { |
3667 | | libcerror_error_set( |
3668 | | error, |
3669 | | LIBCERROR_ERROR_DOMAIN_CONVERSION, |
3670 | | LIBCERROR_CONVERSION_ERROR_GENERIC, |
3671 | | "%s: unable to determine narrow directory name size.", |
3672 | | function ); |
3673 | | |
3674 | | goto on_error; |
3675 | | } |
3676 | | if( ( narrow_directory_name_size > (size_t) SSIZE_MAX ) |
3677 | | || ( ( sizeof( char ) * narrow_directory_name_size ) > (size_t) SSIZE_MAX ) ) |
3678 | | { |
3679 | | libcerror_error_set( |
3680 | | error, |
3681 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3682 | | LIBCERROR_RUNTIME_ERROR_VALUE_EXCEEDS_MAXIMUM, |
3683 | | "%s: invalid narrow directory name size value exceeds maximum.", |
3684 | | function ); |
3685 | | |
3686 | | goto on_error; |
3687 | | } |
3688 | | narrow_directory_name = narrow_string_allocate( |
3689 | | narrow_directory_name_size ); |
3690 | | |
3691 | | if( narrow_directory_name == NULL ) |
3692 | | { |
3693 | | libcerror_error_set( |
3694 | | error, |
3695 | | LIBCERROR_ERROR_DOMAIN_MEMORY, |
3696 | | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
3697 | | "%s: unable to create narrow directory name.", |
3698 | | function ); |
3699 | | |
3700 | | goto on_error; |
3701 | | } |
3702 | | if( libcpath_system_string_copy_from_wide_string( |
3703 | | narrow_directory_name, |
3704 | | narrow_directory_name_size, |
3705 | | directory_name, |
3706 | | directory_name_length + 1, |
3707 | | error ) != 1 ) |
3708 | | { |
3709 | | libcerror_error_set( |
3710 | | error, |
3711 | | LIBCERROR_ERROR_DOMAIN_CONVERSION, |
3712 | | LIBCERROR_CONVERSION_ERROR_GENERIC, |
3713 | | "%s: unable to set name.", |
3714 | | function ); |
3715 | | |
3716 | | goto on_error; |
3717 | | } |
3718 | | if( chdir( |
3719 | | narrow_directory_name ) != 0 ) |
3720 | | { |
3721 | | libcerror_system_set_error( |
3722 | | error, |
3723 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3724 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3725 | | errno, |
3726 | | "%s: unable to change directory.", |
3727 | | function ); |
3728 | | |
3729 | | return( -1 ); |
3730 | | } |
3731 | | memory_free( |
3732 | | narrow_directory_name ); |
3733 | | |
3734 | | return( 1 ); |
3735 | | |
3736 | | on_error: |
3737 | | if( narrow_directory_name != NULL ) |
3738 | | { |
3739 | | memory_free( |
3740 | | narrow_directory_name ); |
3741 | | } |
3742 | | return( -1 ); |
3743 | | } |
3744 | | |
3745 | | #else |
3746 | | #error Missing change directory function |
3747 | | #endif |
3748 | | |
3749 | | #if defined( WINAPI ) && ( WINVER <= 0x0500 ) |
3750 | | |
3751 | | /* Cross Windows safe version of GetCurrentDirectoryW |
3752 | | * Returns the number of characters in the current directory string or 0 on error |
3753 | | */ |
3754 | | DWORD libcpath_GetCurrentDirectoryW( |
3755 | | DWORD buffer_size, |
3756 | | LPCWSTR buffer ) |
3757 | | { |
3758 | | FARPROC function = NULL; |
3759 | | HMODULE library_handle = NULL; |
3760 | | DWORD result = 0; |
3761 | | |
3762 | | library_handle = LoadLibrary( |
3763 | | _SYSTEM_STRING( "kernel32.dll" ) ); |
3764 | | |
3765 | | if( library_handle == NULL ) |
3766 | | { |
3767 | | return( 0 ); |
3768 | | } |
3769 | | function = GetProcAddress( |
3770 | | library_handle, |
3771 | | (LPCSTR) "GetCurrentDirectoryW" ); |
3772 | | |
3773 | | if( function != NULL ) |
3774 | | { |
3775 | | result = function( |
3776 | | buffer_size, |
3777 | | buffer ); |
3778 | | } |
3779 | | /* This call should be after using the function |
3780 | | * in most cases kernel32.dll will still be available after free |
3781 | | */ |
3782 | | if( FreeLibrary( |
3783 | | library_handle ) != TRUE ) |
3784 | | { |
3785 | | libcpath_CloseHandle( |
3786 | | library_handle ); |
3787 | | |
3788 | | return( 0 ); |
3789 | | } |
3790 | | return( result ); |
3791 | | } |
3792 | | |
3793 | | #endif /* defined( WINAPI ) && ( WINVER <= 0x0500 ) */ |
3794 | | |
3795 | | #if defined( WINAPI ) |
3796 | | |
3797 | | /* Retrieves the current working directory |
3798 | | * This function uses the WINAPI function for Windows XP (0x0501) or later |
3799 | | * or tries to dynamically call the function for Windows 2000 (0x0500) or earlier |
3800 | | * Returns 1 if successful or -1 on error |
3801 | | */ |
3802 | | int libcpath_path_get_current_working_directory_wide( |
3803 | | wchar_t **current_working_directory, |
3804 | | size_t *current_working_directory_size, |
3805 | | libcerror_error_t **error ) |
3806 | | { |
3807 | | static char *function = "libcpath_path_get_current_working_directory_wide"; |
3808 | | DWORD safe_current_working_directory_size = 0; |
3809 | | DWORD error_code = 0; |
3810 | | |
3811 | | if( current_working_directory == NULL ) |
3812 | | { |
3813 | | libcerror_error_set( |
3814 | | error, |
3815 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3816 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3817 | | "%s: invalid current working directory.", |
3818 | | function ); |
3819 | | |
3820 | | return( -1 ); |
3821 | | } |
3822 | | if( *current_working_directory != NULL ) |
3823 | | { |
3824 | | libcerror_error_set( |
3825 | | error, |
3826 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3827 | | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
3828 | | "%s: invalid current working directory value already set.", |
3829 | | function ); |
3830 | | |
3831 | | return( -1 ); |
3832 | | } |
3833 | | if( current_working_directory_size == NULL ) |
3834 | | { |
3835 | | libcerror_error_set( |
3836 | | error, |
3837 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3838 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3839 | | "%s: invalid current working directory size.", |
3840 | | function ); |
3841 | | |
3842 | | return( -1 ); |
3843 | | } |
3844 | | #if defined( WINAPI ) && ( WINVER <= 0x0500 ) |
3845 | | safe_current_working_directory_size = libcpath_GetCurrentDirectoryW( |
3846 | | 0, |
3847 | | NULL ); |
3848 | | #else |
3849 | | safe_current_working_directory_size = GetCurrentDirectoryW( |
3850 | | 0, |
3851 | | NULL ); |
3852 | | #endif |
3853 | | if( safe_current_working_directory_size == 0 ) |
3854 | | { |
3855 | | libcerror_error_set( |
3856 | | error, |
3857 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3858 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
3859 | | "%s: unable to retrieve current working directory size.", |
3860 | | function ); |
3861 | | |
3862 | | goto on_error; |
3863 | | } |
3864 | | if( (size_t) safe_current_working_directory_size > (size_t) SSIZE_MAX ) |
3865 | | { |
3866 | | libcerror_error_set( |
3867 | | error, |
3868 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3869 | | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
3870 | | "%s: current working directory size value out of bounds.", |
3871 | | function ); |
3872 | | |
3873 | | goto on_error; |
3874 | | } |
3875 | | *current_working_directory_size = (size_t) safe_current_working_directory_size; |
3876 | | |
3877 | | *current_working_directory = wide_string_allocate( |
3878 | | *current_working_directory_size ); |
3879 | | |
3880 | | if( *current_working_directory == NULL ) |
3881 | | { |
3882 | | libcerror_error_set( |
3883 | | error, |
3884 | | LIBCERROR_ERROR_DOMAIN_MEMORY, |
3885 | | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
3886 | | "%s: unable to create current working directory.", |
3887 | | function ); |
3888 | | |
3889 | | goto on_error; |
3890 | | } |
3891 | | if( memory_set( |
3892 | | *current_working_directory, |
3893 | | 0, |
3894 | | sizeof( wchar_t ) * *current_working_directory_size ) == NULL ) |
3895 | | { |
3896 | | libcerror_error_set( |
3897 | | error, |
3898 | | LIBCERROR_ERROR_DOMAIN_MEMORY, |
3899 | | LIBCERROR_MEMORY_ERROR_SET_FAILED, |
3900 | | "%s: unable to clear current working directory.", |
3901 | | function ); |
3902 | | |
3903 | | goto on_error; |
3904 | | } |
3905 | | #if defined( WINAPI ) && ( WINVER <= 0x0500 ) |
3906 | | if( libcpath_GetCurrentDirectoryW( |
3907 | | safe_current_working_directory_size, |
3908 | | *current_working_directory ) != ( safe_current_working_directory_size - 1 ) ) |
3909 | | #else |
3910 | | if( GetCurrentDirectoryW( |
3911 | | safe_current_working_directory_size, |
3912 | | *current_working_directory ) != ( safe_current_working_directory_size - 1 ) ) |
3913 | | #endif |
3914 | | { |
3915 | | error_code = GetLastError(); |
3916 | | |
3917 | | libcerror_system_set_error( |
3918 | | error, |
3919 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3920 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
3921 | | error_code, |
3922 | | "%s: unable to retrieve current working directory.", |
3923 | | function ); |
3924 | | |
3925 | | goto on_error; |
3926 | | } |
3927 | | return( 1 ); |
3928 | | |
3929 | | on_error: |
3930 | | if( *current_working_directory != NULL ) |
3931 | | { |
3932 | | memory_free( |
3933 | | *current_working_directory ); |
3934 | | |
3935 | | *current_working_directory = NULL; |
3936 | | } |
3937 | | *current_working_directory_size = 0; |
3938 | | |
3939 | | return( -1 ); |
3940 | | } |
3941 | | |
3942 | | #elif defined( HAVE_GETCWD ) |
3943 | | |
3944 | | /* Retrieves the current working directory |
3945 | | * This function uses the POSIX getcwd function or equivalent |
3946 | | * Returns 1 if successful or -1 on error |
3947 | | */ |
3948 | | int libcpath_path_get_current_working_directory_wide( |
3949 | | wchar_t **current_working_directory, |
3950 | | size_t *current_working_directory_size, |
3951 | | libcerror_error_t **error ) |
3952 | | { |
3953 | | static char *function = "libcpath_path_get_current_working_directory_wide"; |
3954 | | char *narrow_current_working_directory = 0; |
3955 | | size_t narrow_current_working_directory_length = 0; |
3956 | | |
3957 | | if( current_working_directory == NULL ) |
3958 | | { |
3959 | | libcerror_error_set( |
3960 | | error, |
3961 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3962 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3963 | | "%s: invalid current working directory.", |
3964 | | function ); |
3965 | | |
3966 | | return( -1 ); |
3967 | | } |
3968 | | if( *current_working_directory != NULL ) |
3969 | | { |
3970 | | libcerror_error_set( |
3971 | | error, |
3972 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3973 | | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
3974 | | "%s: invalid current working directory value already set.", |
3975 | | function ); |
3976 | | |
3977 | | return( -1 ); |
3978 | | } |
3979 | | if( current_working_directory_size == NULL ) |
3980 | | { |
3981 | | libcerror_error_set( |
3982 | | error, |
3983 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3984 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3985 | | "%s: invalid current working directory size.", |
3986 | | function ); |
3987 | | |
3988 | | return( -1 ); |
3989 | | } |
3990 | | narrow_current_working_directory = narrow_string_allocate( |
3991 | | PATH_MAX ); |
3992 | | |
3993 | | if( narrow_current_working_directory == NULL ) |
3994 | | { |
3995 | | libcerror_error_set( |
3996 | | error, |
3997 | | LIBCERROR_ERROR_DOMAIN_MEMORY, |
3998 | | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
3999 | | "%s: unable to create narrow current working directory.", |
4000 | | function ); |
4001 | | |
4002 | | goto on_error; |
4003 | | } |
4004 | | if( getcwd( |
4005 | | narrow_current_working_directory, |
4006 | | PATH_MAX ) == NULL ) |
4007 | | { |
4008 | | libcerror_system_set_error( |
4009 | | error, |
4010 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4011 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
4012 | | errno, |
4013 | | "%s: unable to retrieve current working directory.", |
4014 | | function ); |
4015 | | |
4016 | | goto on_error; |
4017 | | } |
4018 | | narrow_current_working_directory_length = narrow_string_length( |
4019 | | narrow_current_working_directory ); |
4020 | | |
4021 | | /* Convert the current working directory to a wide string |
4022 | | * if the platform has no wide character open function |
4023 | | */ |
4024 | | if( libcpath_system_string_size_from_narrow_string( |
4025 | | narrow_current_working_directory, |
4026 | | narrow_current_working_directory_length + 1, |
4027 | | current_working_directory_size, |
4028 | | error ) != 1 ) |
4029 | | { |
4030 | | libcerror_error_set( |
4031 | | error, |
4032 | | LIBCERROR_ERROR_DOMAIN_CONVERSION, |
4033 | | LIBCERROR_CONVERSION_ERROR_GENERIC, |
4034 | | "%s: unable to determine wide character current working directory size.", |
4035 | | function ); |
4036 | | |
4037 | | return( -1 ); |
4038 | | } |
4039 | | *current_working_directory = wide_string_allocate( |
4040 | | *current_working_directory_size ); |
4041 | | |
4042 | | if( *current_working_directory == NULL ) |
4043 | | { |
4044 | | libcerror_error_set( |
4045 | | error, |
4046 | | LIBCERROR_ERROR_DOMAIN_MEMORY, |
4047 | | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
4048 | | "%s: unable to create current working directory.", |
4049 | | function ); |
4050 | | |
4051 | | goto on_error; |
4052 | | } |
4053 | | if( memory_set( |
4054 | | *current_working_directory, |
4055 | | 0, |
4056 | | sizeof( wchar_t ) * *current_working_directory_size ) == NULL ) |
4057 | | { |
4058 | | libcerror_error_set( |
4059 | | error, |
4060 | | LIBCERROR_ERROR_DOMAIN_MEMORY, |
4061 | | LIBCERROR_MEMORY_ERROR_SET_FAILED, |
4062 | | "%s: unable to clear current working directory.", |
4063 | | function ); |
4064 | | |
4065 | | goto on_error; |
4066 | | } |
4067 | | if( libcpath_system_string_copy_to_wide_string( |
4068 | | narrow_current_working_directory, |
4069 | | narrow_current_working_directory_length + 1, |
4070 | | *current_working_directory, |
4071 | | *current_working_directory_size, |
4072 | | error ) != 1 ) |
4073 | | { |
4074 | | libcerror_error_set( |
4075 | | error, |
4076 | | LIBCERROR_ERROR_DOMAIN_CONVERSION, |
4077 | | LIBCERROR_CONVERSION_ERROR_GENERIC, |
4078 | | "%s: unable to set current working directory.", |
4079 | | function ); |
4080 | | |
4081 | | goto on_error; |
4082 | | } |
4083 | | memory_free( |
4084 | | narrow_current_working_directory ); |
4085 | | |
4086 | | return( 1 ); |
4087 | | |
4088 | | on_error: |
4089 | | if( narrow_current_working_directory != NULL ) |
4090 | | { |
4091 | | memory_free( |
4092 | | narrow_current_working_directory ); |
4093 | | } |
4094 | | if( *current_working_directory != NULL ) |
4095 | | { |
4096 | | memory_free( |
4097 | | *current_working_directory ); |
4098 | | |
4099 | | *current_working_directory = NULL; |
4100 | | } |
4101 | | *current_working_directory_size = 0; |
4102 | | |
4103 | | return( -1 ); |
4104 | | } |
4105 | | |
4106 | | #else |
4107 | | #error Missing get current working directory function |
4108 | | #endif |
4109 | | |
4110 | | #if defined( WINAPI ) |
4111 | | |
4112 | | /* Determines the path type |
4113 | | * Returns 1 if succesful or -1 on error |
4114 | | */ |
4115 | | int libcpath_path_get_path_type_wide( |
4116 | | const wchar_t *path, |
4117 | | size_t path_length, |
4118 | | uint8_t *path_type, |
4119 | | libcerror_error_t **error ) |
4120 | | { |
4121 | | static char *function = "libcpath_path_get_path_type_wide"; |
4122 | | |
4123 | | if( path == NULL ) |
4124 | | { |
4125 | | libcerror_error_set( |
4126 | | error, |
4127 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4128 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4129 | | "%s: invalid path.", |
4130 | | function ); |
4131 | | |
4132 | | return( -1 ); |
4133 | | } |
4134 | | if( path_length == 0 ) |
4135 | | { |
4136 | | libcerror_error_set( |
4137 | | error, |
4138 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4139 | | LIBCERROR_ARGUMENT_ERROR_VALUE_ZERO_OR_LESS, |
4140 | | "%s: invalid path length is zero.", |
4141 | | function ); |
4142 | | |
4143 | | return( -1 ); |
4144 | | } |
4145 | | if( path_length > (size_t) ( SSIZE_MAX - 1 ) ) |
4146 | | { |
4147 | | libcerror_error_set( |
4148 | | error, |
4149 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4150 | | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
4151 | | "%s: invalid path length value exceeds maximum.", |
4152 | | function ); |
4153 | | |
4154 | | return( -1 ); |
4155 | | } |
4156 | | if( path_type == NULL ) |
4157 | | { |
4158 | | libcerror_error_set( |
4159 | | error, |
4160 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4161 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4162 | | "%s: invalid path type.", |
4163 | | function ); |
4164 | | |
4165 | | return( -1 ); |
4166 | | } |
4167 | | *path_type = LIBCPATH_TYPE_RELATIVE; |
4168 | | |
4169 | | /* Determine if the path is a special path |
4170 | | * device path prefix: \\.\ |
4171 | | * extended-length path prefix: \\?\ |
4172 | | */ |
4173 | | if( ( path_length >= 4 ) |
4174 | | && ( path[ 0 ] == (wchar_t) '\\' ) |
4175 | | && ( path[ 1 ] == (wchar_t) '\\' ) |
4176 | | && ( ( path[ 2 ] == (wchar_t) '.' ) |
4177 | | || ( path[ 2 ] == (wchar_t) '?' ) ) |
4178 | | && ( path[ 3 ] == (wchar_t) '\\' ) ) |
4179 | | { |
4180 | | if( path[ 2 ] == (wchar_t) '.' ) |
4181 | | { |
4182 | | *path_type = LIBCPATH_TYPE_DEVICE; |
4183 | | } |
4184 | | /* Determine if the path in an extended-length UNC path |
4185 | | * \\?\UNC\server\share |
4186 | | */ |
4187 | | else if( ( path_length >= 8 ) |
4188 | | && ( path[ 4 ] == (wchar_t) 'U' ) |
4189 | | && ( path[ 5 ] == (wchar_t) 'N' ) |
4190 | | && ( path[ 6 ] == (wchar_t) 'C' ) |
4191 | | && ( path[ 7 ] == (wchar_t) '\\' ) ) |
4192 | | { |
4193 | | *path_type = LIBCPATH_TYPE_EXTENDED_LENGTH_UNC; |
4194 | | } |
4195 | | else |
4196 | | { |
4197 | | *path_type = LIBCPATH_TYPE_EXTENDED_LENGTH; |
4198 | | } |
4199 | | } |
4200 | | /* Determine if the path is an UNC path |
4201 | | * \\server\share |
4202 | | */ |
4203 | | else if( ( path_length >= 2 ) |
4204 | | && ( path[ 0 ] == (wchar_t) '\\' ) |
4205 | | && ( path[ 1 ] == (wchar_t) '\\' ) ) |
4206 | | { |
4207 | | *path_type = LIBCPATH_TYPE_UNC; |
4208 | | } |
4209 | | else if( path[ 0 ] == (wchar_t) '\\' ) |
4210 | | { |
4211 | | *path_type = LIBCPATH_TYPE_ABSOLUTE; |
4212 | | } |
4213 | | else if( ( path_length >= 3 ) |
4214 | | && ( path[ 1 ] == (wchar_t) ':' ) |
4215 | | && ( path[ 2 ] == (wchar_t) '\\' ) |
4216 | | && ( ( ( path[ 0 ] >= (wchar_t) 'A' ) |
4217 | | && ( path[ 0 ] <= (wchar_t) 'Z' ) ) |
4218 | | || ( ( path[ 0 ] >= (wchar_t) 'a' ) |
4219 | | && ( path[ 0 ] <= (wchar_t) 'z' ) ) ) ) |
4220 | | { |
4221 | | *path_type = LIBCPATH_TYPE_ABSOLUTE; |
4222 | | } |
4223 | | return( 1 ); |
4224 | | } |
4225 | | |
4226 | | /* Determines the volume name |
4227 | | * Returns 1 if succesful or -1 on error |
4228 | | */ |
4229 | | int libcpath_path_get_volume_name_wide( |
4230 | | const wchar_t *path, |
4231 | | size_t path_length, |
4232 | | wchar_t **volume_name, |
4233 | | size_t *volume_name_length, |
4234 | | size_t *directory_name_index, |
4235 | | libcerror_error_t **error ) |
4236 | | { |
4237 | | static char *function = "libcpath_path_get_volume_name_wide"; |
4238 | | size_t path_index = 0; |
4239 | | size_t share_name_index = 0; |
4240 | | size_t volume_name_index = 0; |
4241 | | |
4242 | | if( path == NULL ) |
4243 | | { |
4244 | | libcerror_error_set( |
4245 | | error, |
4246 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4247 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4248 | | "%s: invalid path.", |
4249 | | function ); |
4250 | | |
4251 | | return( -1 ); |
4252 | | } |
4253 | | if( path_length == 0 ) |
4254 | | { |
4255 | | libcerror_error_set( |
4256 | | error, |
4257 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4258 | | LIBCERROR_ARGUMENT_ERROR_VALUE_ZERO_OR_LESS, |
4259 | | "%s: invalid path length is zero.", |
4260 | | function ); |
4261 | | |
4262 | | return( -1 ); |
4263 | | } |
4264 | | if( path_length > (size_t) ( SSIZE_MAX - 1 ) ) |
4265 | | { |
4266 | | libcerror_error_set( |
4267 | | error, |
4268 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4269 | | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
4270 | | "%s: invalid path length value exceeds maximum.", |
4271 | | function ); |
4272 | | |
4273 | | return( -1 ); |
4274 | | } |
4275 | | if( volume_name == NULL ) |
4276 | | { |
4277 | | libcerror_error_set( |
4278 | | error, |
4279 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4280 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4281 | | "%s: invalid volume name.", |
4282 | | function ); |
4283 | | |
4284 | | return( -1 ); |
4285 | | } |
4286 | | if( volume_name_length == NULL ) |
4287 | | { |
4288 | | libcerror_error_set( |
4289 | | error, |
4290 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4291 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4292 | | "%s: invalid volume name length.", |
4293 | | function ); |
4294 | | |
4295 | | return( -1 ); |
4296 | | } |
4297 | | if( directory_name_index == NULL ) |
4298 | | { |
4299 | | libcerror_error_set( |
4300 | | error, |
4301 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4302 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4303 | | "%s: invalid directory name index.", |
4304 | | function ); |
4305 | | |
4306 | | return( -1 ); |
4307 | | } |
4308 | | *volume_name = NULL; |
4309 | | *volume_name_length = 0; |
4310 | | *directory_name_index = 0; |
4311 | | |
4312 | | /* Determine if the path is a special path |
4313 | | * device path prefix: \\.\ |
4314 | | * extended-length path prefix: \\?\ |
4315 | | */ |
4316 | | if( ( path_length >= 4 ) |
4317 | | && ( path[ 0 ] == (wchar_t) '\\' ) |
4318 | | && ( path[ 1 ] == (wchar_t) '\\' ) |
4319 | | && ( ( path[ 2 ] == (wchar_t) '.' ) |
4320 | | || ( path[ 2 ] == (wchar_t) '?' ) ) |
4321 | | && ( path[ 3 ] == (wchar_t) '\\' ) ) |
4322 | | { |
4323 | | if( path[ 2 ] == (wchar_t) '.' ) |
4324 | | { |
4325 | | volume_name_index = 4; |
4326 | | } |
4327 | | /* Determine if the path in an extended-length UNC path |
4328 | | * \\?\UNC\server\share |
4329 | | */ |
4330 | | else if( ( path_length >= 8 ) |
4331 | | && ( path[ 4 ] == (wchar_t) 'U' ) |
4332 | | && ( path[ 5 ] == (wchar_t) 'N' ) |
4333 | | && ( path[ 6 ] == (wchar_t) 'C' ) |
4334 | | && ( path[ 7 ] == (wchar_t) '\\' ) ) |
4335 | | { |
4336 | | volume_name_index = 8; |
4337 | | } |
4338 | | else |
4339 | | { |
4340 | | volume_name_index = 4; |
4341 | | } |
4342 | | } |
4343 | | /* Determine if the path is an UNC path |
4344 | | * \\server\share |
4345 | | */ |
4346 | | else if( ( path_length >= 2 ) |
4347 | | && ( path[ 0 ] == (wchar_t) '\\' ) |
4348 | | && ( path[ 1 ] == (wchar_t) '\\' ) ) |
4349 | | { |
4350 | | volume_name_index = 2; |
4351 | | } |
4352 | | /* Check if the path contains a volume letter |
4353 | | */ |
4354 | | if( ( path_length >= 2 ) |
4355 | | && ( volume_name_index <= ( path_length - 2 ) ) |
4356 | | && ( path[ volume_name_index + 1 ] == (wchar_t) ':' ) |
4357 | | && ( ( ( path[ volume_name_index ] >= (wchar_t) 'A' ) |
4358 | | && ( path[ volume_name_index ] <= (wchar_t) 'Z' ) ) |
4359 | | || ( ( path[ volume_name_index ] >= (wchar_t) 'a' ) |
4360 | | && ( path[ volume_name_index ] <= (wchar_t) 'z' ) ) ) ) |
4361 | | { |
4362 | | path_index = volume_name_index + 2; |
4363 | | |
4364 | | if( ( path_index < path_length ) |
4365 | | && ( path[ path_index ] == (wchar_t) '\\' ) ) |
4366 | | { |
4367 | | path_index++; |
4368 | | } |
4369 | | *volume_name = (wchar_t *) &( path[ volume_name_index ] ); |
4370 | | *volume_name_length = path_index - volume_name_index; |
4371 | | |
4372 | | if( path[ path_index - 1 ] == (wchar_t) '\\' ) |
4373 | | { |
4374 | | *volume_name_length -= 1; |
4375 | | } |
4376 | | *directory_name_index = path_index; |
4377 | | } |
4378 | | else if( volume_name_index == 4 ) |
4379 | | { |
4380 | | for( path_index = volume_name_index; |
4381 | | path_index < path_length; |
4382 | | path_index++ ) |
4383 | | { |
4384 | | if( path[ path_index ] == (wchar_t) '\\' ) |
4385 | | { |
4386 | | path_index++; |
4387 | | |
4388 | | break; |
4389 | | } |
4390 | | } |
4391 | | *volume_name = (wchar_t *) &( path[ 4 ] ); |
4392 | | *volume_name_length = path_index - 4; |
4393 | | |
4394 | | if( path[ path_index - 1 ] == (wchar_t) '\\' ) |
4395 | | { |
4396 | | *volume_name_length -= 1; |
4397 | | } |
4398 | | *directory_name_index = path_index; |
4399 | | } |
4400 | | else if( ( volume_name_index == 2 ) |
4401 | | || ( volume_name_index == 8 ) ) |
4402 | | { |
4403 | | for( share_name_index = volume_name_index; |
4404 | | share_name_index < path_length; |
4405 | | share_name_index++ ) |
4406 | | { |
4407 | | if( path[ share_name_index ] == (wchar_t) '\\' ) |
4408 | | { |
4409 | | share_name_index++; |
4410 | | |
4411 | | break; |
4412 | | } |
4413 | | } |
4414 | | if( share_name_index > path_length ) |
4415 | | { |
4416 | | libcerror_error_set( |
4417 | | error, |
4418 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4419 | | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
4420 | | "%s: invalid path - missing share name.", |
4421 | | function ); |
4422 | | |
4423 | | return( -1 ); |
4424 | | } |
4425 | | for( path_index = share_name_index; |
4426 | | path_index < path_length; |
4427 | | path_index++ ) |
4428 | | { |
4429 | | if( path[ path_index ] == (wchar_t) '\\' ) |
4430 | | { |
4431 | | path_index++; |
4432 | | |
4433 | | break; |
4434 | | } |
4435 | | } |
4436 | | *volume_name = (wchar_t *) &( path[ volume_name_index ] ); |
4437 | | *volume_name_length = path_index - volume_name_index; |
4438 | | |
4439 | | if( path[ path_index - 1 ] == (wchar_t) '\\' ) |
4440 | | { |
4441 | | *volume_name_length -= 1; |
4442 | | } |
4443 | | *directory_name_index = path_index; |
4444 | | } |
4445 | | return( 1 ); |
4446 | | } |
4447 | | |
4448 | | /* Retrieves the current working directory of a specific volume |
4449 | | * Returns 1 if successful or -1 on error |
4450 | | */ |
4451 | | int libcpath_path_get_current_working_directory_by_volume_wide( |
4452 | | wchar_t *volume_name, |
4453 | | size_t volume_name_length, |
4454 | | wchar_t **current_working_directory, |
4455 | | size_t *current_working_directory_size, |
4456 | | libcerror_error_t **error ) |
4457 | | { |
4458 | | wchar_t *change_volume_name = NULL; |
4459 | | wchar_t *current_volume_working_directory = NULL; |
4460 | | static char *function = "libcpath_path_get_current_working_directory_by_volume_wide"; |
4461 | | size_t current_volume_working_directory_size = 0; |
4462 | | int result = 1; |
4463 | | |
4464 | | if( current_working_directory == NULL ) |
4465 | | { |
4466 | | libcerror_error_set( |
4467 | | error, |
4468 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4469 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4470 | | "%s: invalid current working directory.", |
4471 | | function ); |
4472 | | |
4473 | | return( -1 ); |
4474 | | } |
4475 | | if( current_working_directory_size == NULL ) |
4476 | | { |
4477 | | libcerror_error_set( |
4478 | | error, |
4479 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4480 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4481 | | "%s: invalid current working directory size.", |
4482 | | function ); |
4483 | | |
4484 | | return( -1 ); |
4485 | | } |
4486 | | /* If the path contains a volume name switch to that |
4487 | | * volume to determine the current directory |
4488 | | */ |
4489 | | if( volume_name != NULL ) |
4490 | | { |
4491 | | if( volume_name_length > (size_t) ( SSIZE_MAX - 1 ) ) |
4492 | | { |
4493 | | libcerror_error_set( |
4494 | | error, |
4495 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4496 | | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
4497 | | "%s: invalid volume name length value exceeds maximum.", |
4498 | | function ); |
4499 | | |
4500 | | goto on_error; |
4501 | | } |
4502 | | if( libcpath_path_get_current_working_directory_wide( |
4503 | | ¤t_volume_working_directory, |
4504 | | ¤t_volume_working_directory_size, |
4505 | | error ) != 1 ) |
4506 | | { |
4507 | | libcerror_error_set( |
4508 | | error, |
4509 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4510 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
4511 | | "%s: unable to retrieve current volume working directory.", |
4512 | | function ); |
4513 | | |
4514 | | goto on_error; |
4515 | | } |
4516 | | change_volume_name = wide_string_allocate( |
4517 | | volume_name_length + 1 ); |
4518 | | |
4519 | | if( change_volume_name == NULL ) |
4520 | | { |
4521 | | libcerror_error_set( |
4522 | | error, |
4523 | | LIBCERROR_ERROR_DOMAIN_MEMORY, |
4524 | | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
4525 | | "%s: unable to create change volume name.", |
4526 | | function ); |
4527 | | |
4528 | | goto on_error; |
4529 | | } |
4530 | | if( wide_string_copy( |
4531 | | change_volume_name, |
4532 | | volume_name, |
4533 | | volume_name_length ) == NULL ) |
4534 | | { |
4535 | | libcerror_error_set( |
4536 | | error, |
4537 | | LIBCERROR_ERROR_DOMAIN_MEMORY, |
4538 | | LIBCERROR_MEMORY_ERROR_COPY_FAILED, |
4539 | | "%s: unable to set change volume name.", |
4540 | | function ); |
4541 | | |
4542 | | goto on_error; |
4543 | | } |
4544 | | change_volume_name[ volume_name_length ] = 0; |
4545 | | |
4546 | | if( libcpath_path_change_directory_wide( |
4547 | | change_volume_name, |
4548 | | error ) != 1 ) |
4549 | | { |
4550 | | libcerror_error_set( |
4551 | | error, |
4552 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4553 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
4554 | | "%s: unable to change current working directory.", |
4555 | | function ); |
4556 | | |
4557 | | goto on_error; |
4558 | | } |
4559 | | memory_free( |
4560 | | change_volume_name ); |
4561 | | |
4562 | | change_volume_name = NULL; |
4563 | | } |
4564 | | if( libcpath_path_get_current_working_directory_wide( |
4565 | | current_working_directory, |
4566 | | current_working_directory_size, |
4567 | | error ) != 1 ) |
4568 | | { |
4569 | | libcerror_error_set( |
4570 | | error, |
4571 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4572 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
4573 | | "%s: unable to retrieve current directory.", |
4574 | | function ); |
4575 | | |
4576 | | /* Make sure the current working directory has been changed |
4577 | | * back to its original value |
4578 | | */ |
4579 | | result = -1; |
4580 | | } |
4581 | | if( current_volume_working_directory != NULL ) |
4582 | | { |
4583 | | if( libcpath_path_change_directory_wide( |
4584 | | current_volume_working_directory, |
4585 | | error ) != 1 ) |
4586 | | { |
4587 | | libcerror_error_set( |
4588 | | error, |
4589 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4590 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
4591 | | "%s: unable to change current working directory.", |
4592 | | function ); |
4593 | | |
4594 | | goto on_error; |
4595 | | } |
4596 | | memory_free( |
4597 | | current_volume_working_directory ); |
4598 | | |
4599 | | current_volume_working_directory = NULL; |
4600 | | } |
4601 | | return( result ); |
4602 | | |
4603 | | on_error: |
4604 | | if( change_volume_name != NULL ) |
4605 | | { |
4606 | | memory_free( |
4607 | | change_volume_name ); |
4608 | | } |
4609 | | if( current_volume_working_directory != NULL ) |
4610 | | { |
4611 | | memory_free( |
4612 | | current_volume_working_directory ); |
4613 | | } |
4614 | | if( *current_working_directory != NULL ) |
4615 | | { |
4616 | | memory_free( |
4617 | | *current_working_directory ); |
4618 | | |
4619 | | *current_working_directory = NULL; |
4620 | | } |
4621 | | *current_working_directory_size = 0; |
4622 | | |
4623 | | return( -1 ); |
4624 | | } |
4625 | | |
4626 | | /* Determines the full path of the Windows path specified |
4627 | | * The function uses the extended-length path format |
4628 | | * (path with \\?\ prefix) |
4629 | | * |
4630 | | * Multiple successive \ not at the start of the path are combined into one |
4631 | | * |
4632 | | * Scenario's that are considered full paths: |
4633 | | * Device path: \\.\PhysicalDrive0 |
4634 | | * Extended-length path: \\?\C:\directory\file.txt |
4635 | | * Extended-length UNC path: \\?\UNC\server\share\directory\file.txt |
4636 | | * |
4637 | | * Scenario's that are not considered full paths: |
4638 | | * Local 'absolute' path: \directory\file.txt |
4639 | | * Local 'relative' path: ..\directory\file.txt |
4640 | | * Local 'relative' path: .\directory\file.txt |
4641 | | * Volume 'absolute' path: C:\directory\file.txt |
4642 | | * C:\..\directory\file.txt |
4643 | | * Volume 'relative' path: C:directory\file.txt |
4644 | | * UNC path: \\server\share\directory\file.txt |
4645 | | * |
4646 | | * Returns 1 if succesful or -1 on error |
4647 | | */ |
4648 | | int libcpath_path_get_full_path_wide( |
4649 | | const wchar_t *path, |
4650 | | size_t path_length, |
4651 | | wchar_t **full_path, |
4652 | | size_t *full_path_size, |
4653 | | libcerror_error_t **error ) |
4654 | | { |
4655 | | libcsplit_wide_split_string_t *current_directory_split_string = NULL; |
4656 | | libcsplit_wide_split_string_t *path_split_string = NULL; |
4657 | | wchar_t *current_directory = NULL; |
4658 | | wchar_t *current_directory_string_segment = NULL; |
4659 | | wchar_t *full_path_prefix = NULL; |
4660 | | wchar_t *last_used_path_string_segment = NULL; |
4661 | | wchar_t *path_string_segment = NULL; |
4662 | | wchar_t *volume_name = NULL; |
4663 | | static char *function = "libcpath_path_get_full_path_wide"; |
4664 | | size_t current_directory_length = 0; |
4665 | | size_t current_directory_name_index = 0; |
4666 | | size_t current_directory_size = 0; |
4667 | | size_t current_directory_string_segment_size = 0; |
4668 | | size_t full_path_index = 0; |
4669 | | size_t full_path_prefix_length = 0; |
4670 | | size_t last_used_path_string_segment_size = 0; |
4671 | | size_t path_directory_name_index = 0; |
4672 | | size_t path_string_segment_size = 0; |
4673 | | size_t safe_full_path_size = 0; |
4674 | | size_t volume_name_length = 0; |
4675 | | uint8_t path_type = LIBCPATH_TYPE_RELATIVE; |
4676 | | int current_directory_number_of_segments = 0; |
4677 | | int current_directory_segment_index = 0; |
4678 | | int last_used_path_segment_index = -1; |
4679 | | int path_number_of_segments = 0; |
4680 | | int path_segment_index = 0; |
4681 | | |
4682 | | if( path == NULL ) |
4683 | | { |
4684 | | libcerror_error_set( |
4685 | | error, |
4686 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4687 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4688 | | "%s: invalid path.", |
4689 | | function ); |
4690 | | |
4691 | | return( -1 ); |
4692 | | } |
4693 | | if( path_length == 0 ) |
4694 | | { |
4695 | | libcerror_error_set( |
4696 | | error, |
4697 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4698 | | LIBCERROR_ARGUMENT_ERROR_VALUE_ZERO_OR_LESS, |
4699 | | "%s: invalid path length is zero.", |
4700 | | function ); |
4701 | | |
4702 | | return( -1 ); |
4703 | | } |
4704 | | if( path_length > (size_t) ( SSIZE_MAX - 1 ) ) |
4705 | | { |
4706 | | libcerror_error_set( |
4707 | | error, |
4708 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4709 | | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
4710 | | "%s: invalid path length value exceeds maximum.", |
4711 | | function ); |
4712 | | |
4713 | | return( -1 ); |
4714 | | } |
4715 | | if( full_path == NULL ) |
4716 | | { |
4717 | | libcerror_error_set( |
4718 | | error, |
4719 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4720 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4721 | | "%s: invalid full path.", |
4722 | | function ); |
4723 | | |
4724 | | return( -1 ); |
4725 | | } |
4726 | | if( *full_path != NULL ) |
4727 | | { |
4728 | | libcerror_error_set( |
4729 | | error, |
4730 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4731 | | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
4732 | | "%s: invalid full path value already set.", |
4733 | | function ); |
4734 | | |
4735 | | return( -1 ); |
4736 | | } |
4737 | | if( full_path_size == NULL ) |
4738 | | { |
4739 | | libcerror_error_set( |
4740 | | error, |
4741 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4742 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4743 | | "%s: invalid full path size.", |
4744 | | function ); |
4745 | | |
4746 | | return( -1 ); |
4747 | | } |
4748 | | if( libcpath_path_get_path_type_wide( |
4749 | | path, |
4750 | | path_length, |
4751 | | &path_type, |
4752 | | error ) != 1 ) |
4753 | | { |
4754 | | libcerror_error_set( |
4755 | | error, |
4756 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4757 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
4758 | | "%s: unable to determine path type.", |
4759 | | function ); |
4760 | | |
4761 | | goto on_error; |
4762 | | } |
4763 | | if( libcpath_path_get_volume_name_wide( |
4764 | | path, |
4765 | | path_length, |
4766 | | &volume_name, |
4767 | | &volume_name_length, |
4768 | | &path_directory_name_index, |
4769 | | error ) != 1 ) |
4770 | | { |
4771 | | libcerror_error_set( |
4772 | | error, |
4773 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4774 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
4775 | | "%s: unable to determine volume name.", |
4776 | | function ); |
4777 | | |
4778 | | goto on_error; |
4779 | | } |
4780 | | /* If the path is a device path, an extended-length path or an UNC |
4781 | | * do not bother to lookup the current working directory |
4782 | | */ |
4783 | | if( ( path_type != LIBCPATH_TYPE_DEVICE ) |
4784 | | && ( path_type != LIBCPATH_TYPE_EXTENDED_LENGTH ) |
4785 | | && ( path_type != LIBCPATH_TYPE_EXTENDED_LENGTH_UNC ) |
4786 | | && ( path_type != LIBCPATH_TYPE_UNC ) ) |
4787 | | { |
4788 | | if( libcpath_path_get_current_working_directory_by_volume_wide( |
4789 | | volume_name, |
4790 | | volume_name_length, |
4791 | | ¤t_directory, |
4792 | | ¤t_directory_size, |
4793 | | error ) != 1 ) |
4794 | | { |
4795 | | libcerror_error_set( |
4796 | | error, |
4797 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4798 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
4799 | | "%s: unable to retrieve current working directory by volume.", |
4800 | | function ); |
4801 | | |
4802 | | goto on_error; |
4803 | | } |
4804 | | /* Determine the volume name using the current working directory if necessary |
4805 | | */ |
4806 | | if( libcpath_path_get_volume_name_wide( |
4807 | | current_directory, |
4808 | | current_directory_size - 1, |
4809 | | &volume_name, |
4810 | | &volume_name_length, |
4811 | | ¤t_directory_name_index, |
4812 | | error ) != 1 ) |
4813 | | { |
4814 | | libcerror_error_set( |
4815 | | error, |
4816 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4817 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
4818 | | "%s: unable to determine volume name from current working directory.", |
4819 | | function ); |
4820 | | |
4821 | | goto on_error; |
4822 | | } |
4823 | | } |
4824 | | if( ( current_directory != NULL ) |
4825 | | && ( current_directory_name_index < current_directory_size ) ) |
4826 | | { |
4827 | | current_directory_length = wide_string_length( |
4828 | | &( current_directory[ current_directory_name_index ] ) ); |
4829 | | |
4830 | | if( libcsplit_wide_string_split( |
4831 | | &( current_directory[ current_directory_name_index ] ), |
4832 | | current_directory_length + 1, |
4833 | | (wchar_t) '\\', |
4834 | | ¤t_directory_split_string, |
4835 | | error ) != 1 ) |
4836 | | { |
4837 | | libcerror_error_set( |
4838 | | error, |
4839 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4840 | | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
4841 | | "%s: unable to split current working directory.", |
4842 | | function ); |
4843 | | |
4844 | | goto on_error; |
4845 | | } |
4846 | | } |
4847 | | if( libcsplit_wide_string_split( |
4848 | | &( path[ path_directory_name_index ] ), |
4849 | | path_length - path_directory_name_index + 1, |
4850 | | (wchar_t) '\\', |
4851 | | &path_split_string, |
4852 | | error ) != 1 ) |
4853 | | { |
4854 | | libcerror_error_set( |
4855 | | error, |
4856 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4857 | | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
4858 | | "%s: unable to split path.", |
4859 | | function ); |
4860 | | |
4861 | | goto on_error; |
4862 | | } |
4863 | | /* The size of the full path consists of: |
4864 | | * the size of the prefix (\\?\ or \\.\) |
4865 | | * the length of the volume name |
4866 | | * a directory separator |
4867 | | */ |
4868 | | safe_full_path_size = 4; |
4869 | | |
4870 | | /* If the path contains a volume name |
4871 | | * the length of the volume name |
4872 | | * a directory separator |
4873 | | */ |
4874 | | if( volume_name != NULL ) |
4875 | | { |
4876 | | safe_full_path_size += volume_name_length + 1; |
4877 | | } |
4878 | | /* If the path contains an UNC path |
4879 | | * add the size of the UNC\ prefix |
4880 | | */ |
4881 | | if( ( path_type == LIBCPATH_TYPE_EXTENDED_LENGTH_UNC ) |
4882 | | || ( path_type == LIBCPATH_TYPE_UNC ) ) |
4883 | | { |
4884 | | safe_full_path_size += 4; |
4885 | | } |
4886 | | /* If the path is relative |
4887 | | * add the size of the current working directory |
4888 | | * a directory separator, if necessary |
4889 | | */ |
4890 | | if( ( path_type == LIBCPATH_TYPE_RELATIVE ) |
4891 | | && ( current_directory_name_index < current_directory_size ) ) |
4892 | | { |
4893 | | safe_full_path_size += ( current_directory_size - ( current_directory_name_index + 1 ) ); |
4894 | | |
4895 | | if( ( current_directory_size >= 2 ) |
4896 | | && ( current_directory[ current_directory_size - 2 ] != (wchar_t) '\\' ) ) |
4897 | | { |
4898 | | safe_full_path_size += 1; |
4899 | | } |
4900 | | } |
4901 | | if( current_directory_split_string != NULL ) |
4902 | | { |
4903 | | if( libcsplit_wide_split_string_get_number_of_segments( |
4904 | | current_directory_split_string, |
4905 | | ¤t_directory_number_of_segments, |
4906 | | error ) != 1 ) |
4907 | | { |
4908 | | libcerror_error_set( |
4909 | | error, |
4910 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4911 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
4912 | | "%s: unable to retrieve number of current working directory string segments.", |
4913 | | function ); |
4914 | | |
4915 | | goto on_error; |
4916 | | } |
4917 | | current_directory_segment_index = current_directory_number_of_segments - 1; |
4918 | | } |
4919 | | if( libcsplit_wide_split_string_get_number_of_segments( |
4920 | | path_split_string, |
4921 | | &path_number_of_segments, |
4922 | | error ) != 1 ) |
4923 | | { |
4924 | | libcerror_error_set( |
4925 | | error, |
4926 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4927 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
4928 | | "%s: unable to retrieve number of path string segments.", |
4929 | | function ); |
4930 | | |
4931 | | goto on_error; |
4932 | | } |
4933 | | for( path_segment_index = 0; |
4934 | | path_segment_index < path_number_of_segments; |
4935 | | path_segment_index++ ) |
4936 | | { |
4937 | | if( libcsplit_wide_split_string_get_segment_by_index( |
4938 | | path_split_string, |
4939 | | path_segment_index, |
4940 | | &path_string_segment, |
4941 | | &path_string_segment_size, |
4942 | | error ) != 1 ) |
4943 | | { |
4944 | | libcerror_error_set( |
4945 | | error, |
4946 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4947 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
4948 | | "%s: unable to retrieve path string segment: %d.", |
4949 | | function, |
4950 | | path_segment_index ); |
4951 | | |
4952 | | goto on_error; |
4953 | | } |
4954 | | if( path_string_segment == NULL ) |
4955 | | { |
4956 | | libcerror_error_set( |
4957 | | error, |
4958 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4959 | | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
4960 | | "%s: missing path string segment: %d.", |
4961 | | function, |
4962 | | path_segment_index ); |
4963 | | |
4964 | | goto on_error; |
4965 | | } |
4966 | | /* If the path is .. reverse the current path by one directory |
4967 | | */ |
4968 | | if( ( path_string_segment_size == 3 ) |
4969 | | && ( path_string_segment[ 0 ] == (wchar_t) '.' ) |
4970 | | && ( path_string_segment[ 1 ] == (wchar_t) '.' ) ) |
4971 | | { |
4972 | | if( ( current_directory_split_string != NULL ) |
4973 | | && ( last_used_path_segment_index == -1 ) ) |
4974 | | { |
4975 | | if( libcsplit_wide_split_string_get_segment_by_index( |
4976 | | current_directory_split_string, |
4977 | | current_directory_segment_index, |
4978 | | ¤t_directory_string_segment, |
4979 | | ¤t_directory_string_segment_size, |
4980 | | error ) != 1 ) |
4981 | | { |
4982 | | libcerror_error_set( |
4983 | | error, |
4984 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4985 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
4986 | | "%s: unable to retrieve current working directory string segment: %d.", |
4987 | | function, |
4988 | | current_directory_segment_index ); |
4989 | | |
4990 | | goto on_error; |
4991 | | } |
4992 | | if( current_directory_string_segment == NULL ) |
4993 | | { |
4994 | | libcerror_error_set( |
4995 | | error, |
4996 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4997 | | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
4998 | | "%s: missing current working directory string segment: %d.", |
4999 | | function, |
5000 | | current_directory_segment_index ); |
5001 | | |
5002 | | goto on_error; |
5003 | | } |
5004 | | /* Remove the size of the parent directory name and a directory separator |
5005 | | * Note that the size includes the end of string character |
5006 | | */ |
5007 | | safe_full_path_size -= current_directory_string_segment_size; |
5008 | | |
5009 | | if( libcsplit_wide_split_string_set_segment_by_index( |
5010 | | current_directory_split_string, |
5011 | | current_directory_segment_index, |
5012 | | NULL, |
5013 | | 0, |
5014 | | error ) != 1 ) |
5015 | | { |
5016 | | libcerror_error_set( |
5017 | | error, |
5018 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5019 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
5020 | | "%s: unable to set current working directory string segment: %d.", |
5021 | | function, |
5022 | | current_directory_segment_index ); |
5023 | | |
5024 | | goto on_error; |
5025 | | } |
5026 | | current_directory_segment_index--; |
5027 | | } |
5028 | | else if( last_used_path_segment_index >= 0 ) |
5029 | | { |
5030 | | if( libcsplit_wide_split_string_get_segment_by_index( |
5031 | | path_split_string, |
5032 | | last_used_path_segment_index, |
5033 | | &last_used_path_string_segment, |
5034 | | &last_used_path_string_segment_size, |
5035 | | error ) != 1 ) |
5036 | | { |
5037 | | libcerror_error_set( |
5038 | | error, |
5039 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5040 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
5041 | | "%s: unable to retrieve last used path string segment: %d.", |
5042 | | function, |
5043 | | last_used_path_segment_index ); |
5044 | | |
5045 | | goto on_error; |
5046 | | } |
5047 | | if( last_used_path_string_segment == NULL ) |
5048 | | { |
5049 | | libcerror_error_set( |
5050 | | error, |
5051 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5052 | | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
5053 | | "%s: missing last used path string string segment: %d.", |
5054 | | function, |
5055 | | last_used_path_segment_index ); |
5056 | | |
5057 | | goto on_error; |
5058 | | } |
5059 | | /* Remove the size of the parent directory name and a directory separator |
5060 | | * Note that the size includes the end of string character |
5061 | | */ |
5062 | | safe_full_path_size -= last_used_path_string_segment_size; |
5063 | | |
5064 | | if( libcsplit_wide_split_string_set_segment_by_index( |
5065 | | path_split_string, |
5066 | | last_used_path_segment_index, |
5067 | | NULL, |
5068 | | 0, |
5069 | | error ) != 1 ) |
5070 | | { |
5071 | | libcerror_error_set( |
5072 | | error, |
5073 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5074 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
5075 | | "%s: unable to set path string segment: %d.", |
5076 | | function, |
5077 | | last_used_path_segment_index ); |
5078 | | |
5079 | | goto on_error; |
5080 | | } |
5081 | | /* Find the previous path split value that contains a name |
5082 | | */ |
5083 | | while( last_used_path_segment_index > 0 ) |
5084 | | { |
5085 | | last_used_path_segment_index--; |
5086 | | |
5087 | | if( libcsplit_wide_split_string_get_segment_by_index( |
5088 | | path_split_string, |
5089 | | last_used_path_segment_index, |
5090 | | &last_used_path_string_segment, |
5091 | | &last_used_path_string_segment_size, |
5092 | | error ) != 1 ) |
5093 | | { |
5094 | | libcerror_error_set( |
5095 | | error, |
5096 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5097 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
5098 | | "%s: unable to retrieve last used path string segment: %d.", |
5099 | | function, |
5100 | | last_used_path_segment_index ); |
5101 | | |
5102 | | goto on_error; |
5103 | | } |
5104 | | if( last_used_path_string_segment_size != 0 ) |
5105 | | { |
5106 | | break; |
5107 | | } |
5108 | | } |
5109 | | } |
5110 | | if( libcsplit_wide_split_string_set_segment_by_index( |
5111 | | path_split_string, |
5112 | | path_segment_index, |
5113 | | NULL, |
5114 | | 0, |
5115 | | error ) != 1 ) |
5116 | | { |
5117 | | libcerror_error_set( |
5118 | | error, |
5119 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5120 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
5121 | | "%s: unable to set path string segment: %d.", |
5122 | | function, |
5123 | | path_segment_index ); |
5124 | | |
5125 | | goto on_error; |
5126 | | } |
5127 | | } |
5128 | | /* If the path is . ignore the entry |
5129 | | */ |
5130 | | else if( ( path_string_segment_size == 2 ) |
5131 | | && ( path_string_segment[ 0 ] == (wchar_t) '.' ) ) |
5132 | | { |
5133 | | if( libcsplit_wide_split_string_set_segment_by_index( |
5134 | | path_split_string, |
5135 | | path_segment_index, |
5136 | | NULL, |
5137 | | 0, |
5138 | | error ) != 1 ) |
5139 | | { |
5140 | | libcerror_error_set( |
5141 | | error, |
5142 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5143 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
5144 | | "%s: unable to set path string segment: %d.", |
5145 | | function, |
5146 | | path_segment_index ); |
5147 | | |
5148 | | goto on_error; |
5149 | | } |
5150 | | } |
5151 | | /* If the path is empty ignore the entry |
5152 | | */ |
5153 | | else if( path_string_segment_size <= 1 ) |
5154 | | { |
5155 | | if( libcsplit_wide_split_string_set_segment_by_index( |
5156 | | path_split_string, |
5157 | | path_segment_index, |
5158 | | NULL, |
5159 | | 0, |
5160 | | error ) != 1 ) |
5161 | | { |
5162 | | libcerror_error_set( |
5163 | | error, |
5164 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5165 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
5166 | | "%s: unable to set path string segment: %d.", |
5167 | | function, |
5168 | | path_segment_index ); |
5169 | | |
5170 | | goto on_error; |
5171 | | } |
5172 | | } |
5173 | | else |
5174 | | { |
5175 | | /* Add the size of the directory or file name and a directory separator |
5176 | | * Note that the size includes the end of string character |
5177 | | */ |
5178 | | safe_full_path_size += path_string_segment_size; |
5179 | | |
5180 | | last_used_path_segment_index = path_segment_index; |
5181 | | } |
5182 | | } |
5183 | | /* Note that the last path separator serves as the end of string |
5184 | | */ |
5185 | | full_path_index = 0; |
5186 | | |
5187 | | *full_path = wide_string_allocate( |
5188 | | safe_full_path_size ); |
5189 | | |
5190 | | if( *full_path == NULL ) |
5191 | | { |
5192 | | libcerror_error_set( |
5193 | | error, |
5194 | | LIBCERROR_ERROR_DOMAIN_MEMORY, |
5195 | | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
5196 | | "%s: unable to create full path.", |
5197 | | function ); |
5198 | | |
5199 | | goto on_error; |
5200 | | } |
5201 | | if( memory_set( |
5202 | | *full_path, |
5203 | | 0, |
5204 | | sizeof( wchar_t ) * safe_full_path_size ) == NULL ) |
5205 | | { |
5206 | | libcerror_error_set( |
5207 | | error, |
5208 | | LIBCERROR_ERROR_DOMAIN_MEMORY, |
5209 | | LIBCERROR_MEMORY_ERROR_SET_FAILED, |
5210 | | "%s: unable to clear full path.", |
5211 | | function ); |
5212 | | |
5213 | | goto on_error; |
5214 | | } |
5215 | | *full_path_size = safe_full_path_size; |
5216 | | |
5217 | | if( path_type == LIBCPATH_TYPE_DEVICE ) |
5218 | | { |
5219 | | full_path_prefix = L"\\\\.\\"; |
5220 | | full_path_prefix_length = 4; |
5221 | | } |
5222 | | else |
5223 | | { |
5224 | | full_path_prefix = L"\\\\?\\"; |
5225 | | full_path_prefix_length = 4; |
5226 | | } |
5227 | | if( wide_string_copy( |
5228 | | &( ( *full_path )[ full_path_index ] ), |
5229 | | full_path_prefix, |
5230 | | full_path_prefix_length ) == NULL ) |
5231 | | { |
5232 | | libcerror_error_set( |
5233 | | error, |
5234 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5235 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
5236 | | "%s: unable to set prefix in full path.", |
5237 | | function ); |
5238 | | |
5239 | | goto on_error; |
5240 | | } |
5241 | | full_path_index += full_path_prefix_length; |
5242 | | |
5243 | | /* If there is a share name the path is an UNC path |
5244 | | */ |
5245 | | if( ( path_type == LIBCPATH_TYPE_EXTENDED_LENGTH_UNC ) |
5246 | | || ( path_type == LIBCPATH_TYPE_UNC ) ) |
5247 | | { |
5248 | | if( wide_string_copy( |
5249 | | &( ( *full_path )[ full_path_index ] ), |
5250 | | L"UNC\\", |
5251 | | 4 ) == NULL ) |
5252 | | { |
5253 | | libcerror_error_set( |
5254 | | error, |
5255 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5256 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
5257 | | "%s: unable to set UNC\\ prefix in full path.", |
5258 | | function ); |
5259 | | |
5260 | | goto on_error; |
5261 | | } |
5262 | | full_path_index += 4; |
5263 | | } |
5264 | | if( volume_name != NULL ) |
5265 | | { |
5266 | | if( wide_string_copy( |
5267 | | &( ( *full_path )[ full_path_index ] ), |
5268 | | volume_name, |
5269 | | volume_name_length ) == NULL ) |
5270 | | { |
5271 | | libcerror_error_set( |
5272 | | error, |
5273 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5274 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
5275 | | "%s: unable to set volume name in full path.", |
5276 | | function ); |
5277 | | |
5278 | | goto on_error; |
5279 | | } |
5280 | | full_path_index += volume_name_length; |
5281 | | |
5282 | | ( *full_path )[ full_path_index ] = (wchar_t) '\\'; |
5283 | | |
5284 | | full_path_index += 1; |
5285 | | } |
5286 | | /* If the path is relative |
5287 | | * add the current working directory elements |
5288 | | */ |
5289 | | if( ( path_type == LIBCPATH_TYPE_RELATIVE ) |
5290 | | && ( current_directory_split_string != NULL ) ) |
5291 | | { |
5292 | | for( current_directory_segment_index = 0; |
5293 | | current_directory_segment_index < current_directory_number_of_segments; |
5294 | | current_directory_segment_index++ ) |
5295 | | { |
5296 | | if( libcsplit_wide_split_string_get_segment_by_index( |
5297 | | current_directory_split_string, |
5298 | | current_directory_segment_index, |
5299 | | ¤t_directory_string_segment, |
5300 | | ¤t_directory_string_segment_size, |
5301 | | error ) != 1 ) |
5302 | | { |
5303 | | libcerror_error_set( |
5304 | | error, |
5305 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5306 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
5307 | | "%s: unable to retrieve current working directory string segment: %d.", |
5308 | | function, |
5309 | | current_directory_segment_index ); |
5310 | | |
5311 | | goto on_error; |
5312 | | } |
5313 | | if( current_directory_string_segment_size != 0 ) |
5314 | | { |
5315 | | if( current_directory_string_segment == NULL ) |
5316 | | { |
5317 | | libcerror_error_set( |
5318 | | error, |
5319 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5320 | | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
5321 | | "%s: missing current working directory string segment: %d.", |
5322 | | function, |
5323 | | current_directory_segment_index ); |
5324 | | |
5325 | | goto on_error; |
5326 | | } |
5327 | | if( wide_string_copy( |
5328 | | &( ( *full_path )[ full_path_index ] ), |
5329 | | current_directory_string_segment, |
5330 | | current_directory_string_segment_size - 1 ) == NULL ) |
5331 | | { |
5332 | | libcerror_error_set( |
5333 | | error, |
5334 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5335 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
5336 | | "%s: unable to set current working directory split value: %d in full path.", |
5337 | | function, |
5338 | | current_directory_segment_index ); |
5339 | | |
5340 | | goto on_error; |
5341 | | } |
5342 | | full_path_index += current_directory_string_segment_size - 1; |
5343 | | |
5344 | | ( *full_path )[ full_path_index ] = (wchar_t) '\\'; |
5345 | | |
5346 | | full_path_index += 1; |
5347 | | } |
5348 | | } |
5349 | | } |
5350 | | for( path_segment_index = 0; |
5351 | | path_segment_index < path_number_of_segments; |
5352 | | path_segment_index++ ) |
5353 | | { |
5354 | | if( libcsplit_wide_split_string_get_segment_by_index( |
5355 | | path_split_string, |
5356 | | path_segment_index, |
5357 | | &path_string_segment, |
5358 | | &path_string_segment_size, |
5359 | | error ) != 1 ) |
5360 | | { |
5361 | | libcerror_error_set( |
5362 | | error, |
5363 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5364 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
5365 | | "%s: unable to retrieve path string segment: %d.", |
5366 | | function, |
5367 | | path_segment_index ); |
5368 | | |
5369 | | goto on_error; |
5370 | | } |
5371 | | if( path_string_segment_size != 0 ) |
5372 | | { |
5373 | | if( path_string_segment == NULL ) |
5374 | | { |
5375 | | libcerror_error_set( |
5376 | | error, |
5377 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5378 | | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
5379 | | "%s: missing path string segment: %d.", |
5380 | | function, |
5381 | | path_segment_index ); |
5382 | | |
5383 | | goto on_error; |
5384 | | } |
5385 | | if( wide_string_copy( |
5386 | | &( ( *full_path )[ full_path_index ] ), |
5387 | | path_string_segment, |
5388 | | path_string_segment_size - 1 ) == NULL ) |
5389 | | { |
5390 | | libcerror_error_set( |
5391 | | error, |
5392 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5393 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
5394 | | "%s: unable to set path split value: %d in full path.", |
5395 | | function, |
5396 | | path_segment_index ); |
5397 | | |
5398 | | goto on_error; |
5399 | | } |
5400 | | full_path_index += path_string_segment_size - 1; |
5401 | | |
5402 | | ( *full_path )[ full_path_index ] = (wchar_t) '\\'; |
5403 | | |
5404 | | full_path_index += 1; |
5405 | | } |
5406 | | } |
5407 | | ( *full_path )[ full_path_index - 1 ] = 0; |
5408 | | |
5409 | | if( libcsplit_wide_split_string_free( |
5410 | | &path_split_string, |
5411 | | error ) != 1 ) |
5412 | | { |
5413 | | libcerror_error_set( |
5414 | | error, |
5415 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5416 | | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
5417 | | "%s: unable to free path split string.", |
5418 | | function ); |
5419 | | |
5420 | | goto on_error; |
5421 | | } |
5422 | | if( current_directory_split_string != NULL ) |
5423 | | { |
5424 | | if( libcsplit_wide_split_string_free( |
5425 | | ¤t_directory_split_string, |
5426 | | error ) != 1 ) |
5427 | | { |
5428 | | libcerror_error_set( |
5429 | | error, |
5430 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5431 | | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
5432 | | "%s: unable to free current working directory split string.", |
5433 | | function ); |
5434 | | |
5435 | | goto on_error; |
5436 | | } |
5437 | | } |
5438 | | if( current_directory != NULL ) |
5439 | | { |
5440 | | memory_free( |
5441 | | current_directory ); |
5442 | | } |
5443 | | return( 1 ); |
5444 | | |
5445 | | on_error: |
5446 | | if( *full_path != NULL ) |
5447 | | { |
5448 | | memory_free( |
5449 | | *full_path ); |
5450 | | |
5451 | | *full_path = NULL; |
5452 | | } |
5453 | | *full_path_size = 0; |
5454 | | |
5455 | | if( path_split_string != NULL ) |
5456 | | { |
5457 | | libcsplit_wide_split_string_free( |
5458 | | &path_split_string, |
5459 | | NULL ); |
5460 | | } |
5461 | | if( current_directory_split_string != NULL ) |
5462 | | { |
5463 | | libcsplit_wide_split_string_free( |
5464 | | ¤t_directory_split_string, |
5465 | | NULL ); |
5466 | | } |
5467 | | if( current_directory != NULL ) |
5468 | | { |
5469 | | memory_free( |
5470 | | current_directory ); |
5471 | | } |
5472 | | return( -1 ); |
5473 | | } |
5474 | | |
5475 | | #else |
5476 | | |
5477 | | /* Determines the full path of the POSIX path specified |
5478 | | * Multiple successive / are combined into one |
5479 | | * |
5480 | | * Scenarios: |
5481 | | * /home/user/file.txt |
5482 | | * /home/user//file.txt |
5483 | | * /home/user/../user/file.txt |
5484 | | * /../home/user/file.txt |
5485 | | * user/../user/file.txt |
5486 | | * |
5487 | | * Returns 1 if succesful or -1 on error |
5488 | | */ |
5489 | | int libcpath_path_get_full_path_wide( |
5490 | | const wchar_t *path, |
5491 | | size_t path_length, |
5492 | | wchar_t **full_path, |
5493 | | size_t *full_path_size, |
5494 | | libcerror_error_t **error ) |
5495 | | { |
5496 | | libcsplit_wide_split_string_t *current_directory_split_string = NULL; |
5497 | | libcsplit_wide_split_string_t *path_split_string = NULL; |
5498 | | wchar_t *current_directory = NULL; |
5499 | | wchar_t *current_directory_string_segment = NULL; |
5500 | | wchar_t *last_used_path_string_segment = NULL; |
5501 | | wchar_t *path_string_segment = NULL; |
5502 | | static char *function = "libcpath_path_get_full_path_wide"; |
5503 | | size_t current_directory_length = 0; |
5504 | | size_t current_directory_size = 0; |
5505 | | size_t current_directory_string_segment_size = 0; |
5506 | | size_t full_path_index = 0; |
5507 | | size_t last_used_path_string_segment_size = 0; |
5508 | | size_t path_string_segment_size = 0; |
5509 | | size_t safe_full_path_size = 0; |
5510 | | uint8_t path_type = LIBCPATH_TYPE_RELATIVE; |
5511 | | int current_directory_number_of_segments = 0; |
5512 | | int current_directory_segment_index = 0; |
5513 | | int last_used_path_segment_index = -1; |
5514 | | int path_number_of_segments = 0; |
5515 | | int path_segment_index = 0; |
5516 | | |
5517 | | if( path == NULL ) |
5518 | | { |
5519 | | libcerror_error_set( |
5520 | | error, |
5521 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
5522 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
5523 | | "%s: invalid path.", |
5524 | | function ); |
5525 | | |
5526 | | return( -1 ); |
5527 | | } |
5528 | | if( path_length == 0 ) |
5529 | | { |
5530 | | libcerror_error_set( |
5531 | | error, |
5532 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
5533 | | LIBCERROR_ARGUMENT_ERROR_VALUE_ZERO_OR_LESS, |
5534 | | "%s: invalid path length is zero.", |
5535 | | function ); |
5536 | | |
5537 | | return( -1 ); |
5538 | | } |
5539 | | if( path_length > (size_t) ( SSIZE_MAX - 1 ) ) |
5540 | | { |
5541 | | libcerror_error_set( |
5542 | | error, |
5543 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
5544 | | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
5545 | | "%s: invalid path length value exceeds maximum.", |
5546 | | function ); |
5547 | | |
5548 | | return( -1 ); |
5549 | | } |
5550 | | if( full_path == NULL ) |
5551 | | { |
5552 | | libcerror_error_set( |
5553 | | error, |
5554 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
5555 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
5556 | | "%s: invalid full path.", |
5557 | | function ); |
5558 | | |
5559 | | return( -1 ); |
5560 | | } |
5561 | | if( *full_path != NULL ) |
5562 | | { |
5563 | | libcerror_error_set( |
5564 | | error, |
5565 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5566 | | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
5567 | | "%s: invalid full path value already set.", |
5568 | | function ); |
5569 | | |
5570 | | return( -1 ); |
5571 | | } |
5572 | | if( full_path_size == NULL ) |
5573 | | { |
5574 | | libcerror_error_set( |
5575 | | error, |
5576 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
5577 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
5578 | | "%s: invalid full path size.", |
5579 | | function ); |
5580 | | |
5581 | | return( -1 ); |
5582 | | } |
5583 | | if( path[ 0 ] == (wchar_t) '/' ) |
5584 | | { |
5585 | | path_type = LIBCPATH_TYPE_ABSOLUTE; |
5586 | | } |
5587 | | else |
5588 | | { |
5589 | | if( libcpath_path_get_current_working_directory_wide( |
5590 | | ¤t_directory, |
5591 | | ¤t_directory_size, |
5592 | | error ) != 1 ) |
5593 | | { |
5594 | | libcerror_error_set( |
5595 | | error, |
5596 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5597 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
5598 | | "%s: unable to retrieve current working directory.", |
5599 | | function ); |
5600 | | |
5601 | | goto on_error; |
5602 | | } |
5603 | | } |
5604 | | if( current_directory != NULL ) |
5605 | | { |
5606 | | current_directory_length = wide_string_length( |
5607 | | current_directory ); |
5608 | | |
5609 | | if( libcsplit_wide_string_split( |
5610 | | current_directory, |
5611 | | current_directory_length + 1, |
5612 | | (wchar_t) '/', |
5613 | | ¤t_directory_split_string, |
5614 | | error ) != 1 ) |
5615 | | { |
5616 | | libcerror_error_set( |
5617 | | error, |
5618 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5619 | | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
5620 | | "%s: unable to split current working directory.", |
5621 | | function ); |
5622 | | |
5623 | | goto on_error; |
5624 | | } |
5625 | | } |
5626 | | if( libcsplit_wide_string_split( |
5627 | | path, |
5628 | | path_length + 1, |
5629 | | (wchar_t) '/', |
5630 | | &path_split_string, |
5631 | | error ) != 1 ) |
5632 | | { |
5633 | | libcerror_error_set( |
5634 | | error, |
5635 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5636 | | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
5637 | | "%s: unable to split path.", |
5638 | | function ); |
5639 | | |
5640 | | goto on_error; |
5641 | | } |
5642 | | /* Determine the full path size |
5643 | | */ |
5644 | | /* If the path is absolute |
5645 | | * a directory separator |
5646 | | */ |
5647 | | if( path_type == LIBCPATH_TYPE_ABSOLUTE ) |
5648 | | { |
5649 | | safe_full_path_size = 1; |
5650 | | } |
5651 | | /* If the path is relative |
5652 | | * add the size of the current working directory |
5653 | | * a directory separator, if necessary |
5654 | | */ |
5655 | | else if( path_type == LIBCPATH_TYPE_RELATIVE ) |
5656 | | { |
5657 | | if( current_directory == NULL ) |
5658 | | { |
5659 | | libcerror_error_set( |
5660 | | error, |
5661 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5662 | | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
5663 | | "%s: missing current working directory.", |
5664 | | function ); |
5665 | | |
5666 | | goto on_error; |
5667 | | } |
5668 | | /* We need to use the length here since current_directory_size will be PATH_MAX |
5669 | | */ |
5670 | | safe_full_path_size = current_directory_length; |
5671 | | |
5672 | | if( ( current_directory_length >= 1 ) |
5673 | | && ( current_directory[ current_directory_length - 1 ] != (wchar_t) '/' ) ) |
5674 | | { |
5675 | | safe_full_path_size++; |
5676 | | } |
5677 | | } |
5678 | | if( current_directory_split_string != NULL ) |
5679 | | { |
5680 | | if( libcsplit_wide_split_string_get_number_of_segments( |
5681 | | current_directory_split_string, |
5682 | | ¤t_directory_number_of_segments, |
5683 | | error ) != 1 ) |
5684 | | { |
5685 | | libcerror_error_set( |
5686 | | error, |
5687 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5688 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
5689 | | "%s: unable to retrieve number of current working directory string segments.", |
5690 | | function ); |
5691 | | |
5692 | | goto on_error; |
5693 | | } |
5694 | | current_directory_segment_index = current_directory_number_of_segments - 1; |
5695 | | } |
5696 | | if( libcsplit_wide_split_string_get_number_of_segments( |
5697 | | path_split_string, |
5698 | | &path_number_of_segments, |
5699 | | error ) != 1 ) |
5700 | | { |
5701 | | libcerror_error_set( |
5702 | | error, |
5703 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5704 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
5705 | | "%s: unable to retrieve number of path string segments.", |
5706 | | function ); |
5707 | | |
5708 | | goto on_error; |
5709 | | } |
5710 | | for( path_segment_index = 0; |
5711 | | path_segment_index < path_number_of_segments; |
5712 | | path_segment_index++ ) |
5713 | | { |
5714 | | if( libcsplit_wide_split_string_get_segment_by_index( |
5715 | | path_split_string, |
5716 | | path_segment_index, |
5717 | | &path_string_segment, |
5718 | | &path_string_segment_size, |
5719 | | error ) != 1 ) |
5720 | | { |
5721 | | libcerror_error_set( |
5722 | | error, |
5723 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5724 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
5725 | | "%s: unable to retrieve path string segment: %d.", |
5726 | | function, |
5727 | | path_segment_index ); |
5728 | | |
5729 | | goto on_error; |
5730 | | } |
5731 | | if( path_string_segment == NULL ) |
5732 | | { |
5733 | | libcerror_error_set( |
5734 | | error, |
5735 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5736 | | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
5737 | | "%s: missing path string segment: %d.", |
5738 | | function, |
5739 | | path_segment_index ); |
5740 | | |
5741 | | goto on_error; |
5742 | | } |
5743 | | /* If the path is .. reverse the current path by one directory |
5744 | | */ |
5745 | | if( ( path_string_segment_size == 3 ) |
5746 | | && ( path_string_segment[ 0 ] == (wchar_t) '.' ) |
5747 | | && ( path_string_segment[ 1 ] == (wchar_t) '.' ) ) |
5748 | | { |
5749 | | if( ( current_directory_split_string != NULL ) |
5750 | | && ( last_used_path_segment_index == -1 ) ) |
5751 | | { |
5752 | | if( libcsplit_wide_split_string_get_segment_by_index( |
5753 | | current_directory_split_string, |
5754 | | current_directory_segment_index, |
5755 | | ¤t_directory_string_segment, |
5756 | | ¤t_directory_string_segment_size, |
5757 | | error ) != 1 ) |
5758 | | { |
5759 | | libcerror_error_set( |
5760 | | error, |
5761 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5762 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
5763 | | "%s: unable to retrieve current working directory string segment: %d.", |
5764 | | function, |
5765 | | current_directory_segment_index ); |
5766 | | |
5767 | | goto on_error; |
5768 | | } |
5769 | | if( current_directory_string_segment == NULL ) |
5770 | | { |
5771 | | libcerror_error_set( |
5772 | | error, |
5773 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5774 | | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
5775 | | "%s: missing current working directory string segment: %d.", |
5776 | | function, |
5777 | | current_directory_segment_index ); |
5778 | | |
5779 | | goto on_error; |
5780 | | } |
5781 | | /* Remove the size of the parent directory name and a directory separator |
5782 | | * Note that the size includes the end of string character |
5783 | | */ |
5784 | | safe_full_path_size -= current_directory_string_segment_size; |
5785 | | |
5786 | | if( libcsplit_wide_split_string_set_segment_by_index( |
5787 | | current_directory_split_string, |
5788 | | current_directory_segment_index, |
5789 | | NULL, |
5790 | | 0, |
5791 | | error ) != 1 ) |
5792 | | { |
5793 | | libcerror_error_set( |
5794 | | error, |
5795 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5796 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
5797 | | "%s: unable to set current working directory string segment: %d.", |
5798 | | function, |
5799 | | current_directory_segment_index ); |
5800 | | |
5801 | | goto on_error; |
5802 | | } |
5803 | | current_directory_segment_index--; |
5804 | | } |
5805 | | else if( last_used_path_segment_index >= 0 ) |
5806 | | { |
5807 | | if( libcsplit_wide_split_string_get_segment_by_index( |
5808 | | path_split_string, |
5809 | | last_used_path_segment_index, |
5810 | | &last_used_path_string_segment, |
5811 | | &last_used_path_string_segment_size, |
5812 | | error ) != 1 ) |
5813 | | { |
5814 | | libcerror_error_set( |
5815 | | error, |
5816 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5817 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
5818 | | "%s: unable to retrieve last used path string segment: %d.", |
5819 | | function, |
5820 | | last_used_path_segment_index ); |
5821 | | |
5822 | | goto on_error; |
5823 | | } |
5824 | | if( last_used_path_string_segment == NULL ) |
5825 | | { |
5826 | | libcerror_error_set( |
5827 | | error, |
5828 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5829 | | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
5830 | | "%s: missing last used path string string segment: %d.", |
5831 | | function, |
5832 | | last_used_path_segment_index ); |
5833 | | |
5834 | | goto on_error; |
5835 | | } |
5836 | | /* Remove the size of the parent directory name and a directory separator |
5837 | | * Note that the size includes the end of string character |
5838 | | */ |
5839 | | safe_full_path_size -= last_used_path_string_segment_size; |
5840 | | |
5841 | | if( libcsplit_wide_split_string_set_segment_by_index( |
5842 | | path_split_string, |
5843 | | last_used_path_segment_index, |
5844 | | NULL, |
5845 | | 0, |
5846 | | error ) != 1 ) |
5847 | | { |
5848 | | libcerror_error_set( |
5849 | | error, |
5850 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5851 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
5852 | | "%s: unable to set path string segment: %d.", |
5853 | | function, |
5854 | | last_used_path_segment_index ); |
5855 | | |
5856 | | goto on_error; |
5857 | | } |
5858 | | /* Find the previous path split value that contains a name |
5859 | | */ |
5860 | | while( last_used_path_segment_index > 0 ) |
5861 | | { |
5862 | | last_used_path_segment_index--; |
5863 | | |
5864 | | if( libcsplit_wide_split_string_get_segment_by_index( |
5865 | | path_split_string, |
5866 | | last_used_path_segment_index, |
5867 | | &last_used_path_string_segment, |
5868 | | &last_used_path_string_segment_size, |
5869 | | error ) != 1 ) |
5870 | | { |
5871 | | libcerror_error_set( |
5872 | | error, |
5873 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5874 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
5875 | | "%s: unable to retrieve last used path string segment: %d.", |
5876 | | function, |
5877 | | last_used_path_segment_index ); |
5878 | | |
5879 | | goto on_error; |
5880 | | } |
5881 | | if( last_used_path_string_segment_size != 0 ) |
5882 | | { |
5883 | | break; |
5884 | | } |
5885 | | } |
5886 | | } |
5887 | | if( libcsplit_wide_split_string_set_segment_by_index( |
5888 | | path_split_string, |
5889 | | path_segment_index, |
5890 | | NULL, |
5891 | | 0, |
5892 | | error ) != 1 ) |
5893 | | { |
5894 | | libcerror_error_set( |
5895 | | error, |
5896 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5897 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
5898 | | "%s: unable to set path string segment: %d.", |
5899 | | function, |
5900 | | path_segment_index ); |
5901 | | |
5902 | | goto on_error; |
5903 | | } |
5904 | | } |
5905 | | /* If the path is . ignore the entry |
5906 | | */ |
5907 | | else if( ( path_string_segment_size == 2 ) |
5908 | | && ( path_string_segment[ 0 ] == (wchar_t) '.' ) ) |
5909 | | { |
5910 | | if( libcsplit_wide_split_string_set_segment_by_index( |
5911 | | path_split_string, |
5912 | | path_segment_index, |
5913 | | NULL, |
5914 | | 0, |
5915 | | error ) != 1 ) |
5916 | | { |
5917 | | libcerror_error_set( |
5918 | | error, |
5919 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5920 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
5921 | | "%s: unable to set path string segment: %d.", |
5922 | | function, |
5923 | | path_segment_index ); |
5924 | | |
5925 | | goto on_error; |
5926 | | } |
5927 | | } |
5928 | | /* If the path is empty ignore the entry |
5929 | | */ |
5930 | | else if( path_string_segment_size <= 1 ) |
5931 | | { |
5932 | | if( libcsplit_wide_split_string_set_segment_by_index( |
5933 | | path_split_string, |
5934 | | path_segment_index, |
5935 | | NULL, |
5936 | | 0, |
5937 | | error ) != 1 ) |
5938 | | { |
5939 | | libcerror_error_set( |
5940 | | error, |
5941 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5942 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
5943 | | "%s: unable to set path string segment: %d.", |
5944 | | function, |
5945 | | path_segment_index ); |
5946 | | |
5947 | | goto on_error; |
5948 | | } |
5949 | | } |
5950 | | else |
5951 | | { |
5952 | | /* Add the size of the directory or file name and a directory separator |
5953 | | * Note that the size includes the end of string character |
5954 | | */ |
5955 | | safe_full_path_size += path_string_segment_size; |
5956 | | |
5957 | | last_used_path_segment_index = path_segment_index; |
5958 | | } |
5959 | | } |
5960 | | /* Note that the last path separator serves as the end of string |
5961 | | */ |
5962 | | full_path_index = 0; |
5963 | | |
5964 | | *full_path = wide_string_allocate( |
5965 | | safe_full_path_size ); |
5966 | | |
5967 | | if( *full_path == NULL ) |
5968 | | { |
5969 | | libcerror_error_set( |
5970 | | error, |
5971 | | LIBCERROR_ERROR_DOMAIN_MEMORY, |
5972 | | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
5973 | | "%s: unable to create full path.", |
5974 | | function ); |
5975 | | |
5976 | | goto on_error; |
5977 | | } |
5978 | | if( memory_set( |
5979 | | *full_path, |
5980 | | 0, |
5981 | | sizeof( wchar_t ) * safe_full_path_size ) == NULL ) |
5982 | | { |
5983 | | libcerror_error_set( |
5984 | | error, |
5985 | | LIBCERROR_ERROR_DOMAIN_MEMORY, |
5986 | | LIBCERROR_MEMORY_ERROR_SET_FAILED, |
5987 | | "%s: unable to clear full path.", |
5988 | | function ); |
5989 | | |
5990 | | goto on_error; |
5991 | | } |
5992 | | *full_path_size = safe_full_path_size; |
5993 | | |
5994 | | if( path_type == LIBCPATH_TYPE_ABSOLUTE ) |
5995 | | { |
5996 | | ( *full_path )[ full_path_index ] = (wchar_t) '/'; |
5997 | | |
5998 | | full_path_index += 1; |
5999 | | } |
6000 | | /* If the path is relative |
6001 | | * add the current working directory elements |
6002 | | */ |
6003 | | if( ( path_type == LIBCPATH_TYPE_RELATIVE ) |
6004 | | && ( current_directory_split_string != NULL ) ) |
6005 | | { |
6006 | | for( current_directory_segment_index = 0; |
6007 | | current_directory_segment_index < current_directory_number_of_segments; |
6008 | | current_directory_segment_index++ ) |
6009 | | { |
6010 | | if( libcsplit_wide_split_string_get_segment_by_index( |
6011 | | current_directory_split_string, |
6012 | | current_directory_segment_index, |
6013 | | ¤t_directory_string_segment, |
6014 | | ¤t_directory_string_segment_size, |
6015 | | error ) != 1 ) |
6016 | | { |
6017 | | libcerror_error_set( |
6018 | | error, |
6019 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
6020 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
6021 | | "%s: unable to retrieve current working directory string segment: %d.", |
6022 | | function, |
6023 | | current_directory_segment_index ); |
6024 | | |
6025 | | goto on_error; |
6026 | | } |
6027 | | if( current_directory_string_segment_size != 0 ) |
6028 | | { |
6029 | | if( current_directory_string_segment == NULL ) |
6030 | | { |
6031 | | libcerror_error_set( |
6032 | | error, |
6033 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
6034 | | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
6035 | | "%s: missing current working directory string segment: %d.", |
6036 | | function, |
6037 | | current_directory_segment_index ); |
6038 | | |
6039 | | goto on_error; |
6040 | | } |
6041 | | if( wide_string_copy( |
6042 | | &( ( *full_path )[ full_path_index ] ), |
6043 | | current_directory_string_segment, |
6044 | | current_directory_string_segment_size - 1 ) == NULL ) |
6045 | | { |
6046 | | libcerror_error_set( |
6047 | | error, |
6048 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
6049 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
6050 | | "%s: unable to set current working directory split value: %d in full path.", |
6051 | | function, |
6052 | | current_directory_segment_index ); |
6053 | | |
6054 | | goto on_error; |
6055 | | } |
6056 | | full_path_index += current_directory_string_segment_size - 1; |
6057 | | |
6058 | | ( *full_path )[ full_path_index ] = (wchar_t) '/'; |
6059 | | |
6060 | | full_path_index += 1; |
6061 | | } |
6062 | | } |
6063 | | } |
6064 | | for( path_segment_index = 0; |
6065 | | path_segment_index < path_number_of_segments; |
6066 | | path_segment_index++ ) |
6067 | | { |
6068 | | if( libcsplit_wide_split_string_get_segment_by_index( |
6069 | | path_split_string, |
6070 | | path_segment_index, |
6071 | | &path_string_segment, |
6072 | | &path_string_segment_size, |
6073 | | error ) != 1 ) |
6074 | | { |
6075 | | libcerror_error_set( |
6076 | | error, |
6077 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
6078 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
6079 | | "%s: unable to retrieve path string segment: %d.", |
6080 | | function, |
6081 | | path_segment_index ); |
6082 | | |
6083 | | goto on_error; |
6084 | | } |
6085 | | if( path_string_segment_size != 0 ) |
6086 | | { |
6087 | | if( path_string_segment == NULL ) |
6088 | | { |
6089 | | libcerror_error_set( |
6090 | | error, |
6091 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
6092 | | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
6093 | | "%s: missing path string segment: %d.", |
6094 | | function, |
6095 | | path_segment_index ); |
6096 | | |
6097 | | goto on_error; |
6098 | | } |
6099 | | if( wide_string_copy( |
6100 | | &( ( *full_path )[ full_path_index ] ), |
6101 | | path_string_segment, |
6102 | | path_string_segment_size - 1 ) == NULL ) |
6103 | | { |
6104 | | libcerror_error_set( |
6105 | | error, |
6106 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
6107 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
6108 | | "%s: unable to set path split value: %d in full path.", |
6109 | | function, |
6110 | | path_segment_index ); |
6111 | | |
6112 | | goto on_error; |
6113 | | } |
6114 | | full_path_index += path_string_segment_size - 1; |
6115 | | |
6116 | | ( *full_path )[ full_path_index ] = (wchar_t) '/'; |
6117 | | |
6118 | | full_path_index += 1; |
6119 | | } |
6120 | | } |
6121 | | ( *full_path )[ full_path_index - 1 ] = 0; |
6122 | | |
6123 | | if( libcsplit_wide_split_string_free( |
6124 | | &path_split_string, |
6125 | | error ) != 1 ) |
6126 | | { |
6127 | | libcerror_error_set( |
6128 | | error, |
6129 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
6130 | | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
6131 | | "%s: unable to free path split string.", |
6132 | | function ); |
6133 | | |
6134 | | goto on_error; |
6135 | | } |
6136 | | if( current_directory_split_string != NULL ) |
6137 | | { |
6138 | | if( libcsplit_wide_split_string_free( |
6139 | | ¤t_directory_split_string, |
6140 | | error ) != 1 ) |
6141 | | { |
6142 | | libcerror_error_set( |
6143 | | error, |
6144 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
6145 | | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
6146 | | "%s: unable to free current working directory split string.", |
6147 | | function ); |
6148 | | |
6149 | | goto on_error; |
6150 | | } |
6151 | | } |
6152 | | if( current_directory != NULL ) |
6153 | | { |
6154 | | memory_free( |
6155 | | current_directory ); |
6156 | | } |
6157 | | return( 1 ); |
6158 | | |
6159 | | on_error: |
6160 | | if( *full_path != NULL ) |
6161 | | { |
6162 | | memory_free( |
6163 | | *full_path ); |
6164 | | |
6165 | | *full_path = NULL; |
6166 | | } |
6167 | | *full_path_size = 0; |
6168 | | |
6169 | | if( path_split_string != NULL ) |
6170 | | { |
6171 | | libcsplit_wide_split_string_free( |
6172 | | &path_split_string, |
6173 | | NULL ); |
6174 | | } |
6175 | | if( current_directory_split_string != NULL ) |
6176 | | { |
6177 | | libcsplit_wide_split_string_free( |
6178 | | ¤t_directory_split_string, |
6179 | | NULL ); |
6180 | | } |
6181 | | if( current_directory != NULL ) |
6182 | | { |
6183 | | memory_free( |
6184 | | current_directory ); |
6185 | | } |
6186 | | return( -1 ); |
6187 | | } |
6188 | | |
6189 | | #endif /* defined( WINAPI ) */ |
6190 | | |
6191 | | /* Retrieves the size of a sanitized version of the path character |
6192 | | * Returns 1 if successful or -1 on error |
6193 | | */ |
6194 | | int libcpath_path_get_sanitized_character_size_wide( |
6195 | | wchar_t character, |
6196 | | size_t *sanitized_character_size, |
6197 | | libcerror_error_t **error ) |
6198 | | { |
6199 | | static char *function = "libcpath_path_get_sanitized_character_size_wide"; |
6200 | | |
6201 | | if( sanitized_character_size == NULL ) |
6202 | | { |
6203 | | libcerror_error_set( |
6204 | | error, |
6205 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
6206 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
6207 | | "%s: invalid sanitized character size.", |
6208 | | function ); |
6209 | | |
6210 | | return( -1 ); |
6211 | | } |
6212 | | if( ( character >= 0x00 ) |
6213 | | && ( character <= 0x1f ) ) |
6214 | | { |
6215 | | *sanitized_character_size = 4; |
6216 | | } |
6217 | | else if( character == (wchar_t) LIBCPATH_ESCAPE_CHARACTER ) |
6218 | | { |
6219 | | *sanitized_character_size = 2; |
6220 | | } |
6221 | | #if defined( WINAPI ) |
6222 | | else if( character == (wchar_t) '/' ) |
6223 | | { |
6224 | | *sanitized_character_size = 4; |
6225 | | } |
6226 | | #endif |
6227 | | else if( ( character == (wchar_t) '!' ) |
6228 | | || ( character == (wchar_t) '$' ) |
6229 | | || ( character == (wchar_t) '%' ) |
6230 | | || ( character == (wchar_t) '&' ) |
6231 | | || ( character == (wchar_t) '*' ) |
6232 | | || ( character == (wchar_t) '+' ) |
6233 | | || ( character == (wchar_t) ':' ) |
6234 | | || ( character == (wchar_t) ';' ) |
6235 | | || ( character == (wchar_t) '<' ) |
6236 | | || ( character == (wchar_t) '>' ) |
6237 | | || ( character == (wchar_t) '?' ) |
6238 | | || ( character == (wchar_t) '|' ) |
6239 | | || ( character == 0x7f ) ) |
6240 | | { |
6241 | | *sanitized_character_size = 4; |
6242 | | } |
6243 | | else |
6244 | | { |
6245 | | *sanitized_character_size = 1; |
6246 | | } |
6247 | | return( 1 ); |
6248 | | } |
6249 | | |
6250 | | /* Retrieves a sanitized version of the path character |
6251 | | * Returns 1 if successful or -1 on error |
6252 | | */ |
6253 | | int libcpath_path_get_sanitized_character_wide( |
6254 | | wchar_t character, |
6255 | | size_t sanitized_character_size, |
6256 | | wchar_t *sanitized_path, |
6257 | | size_t sanitized_path_size, |
6258 | | size_t *sanitized_path_index, |
6259 | | libcerror_error_t **error ) |
6260 | | { |
6261 | | static char *function = "libcpath_path_get_sanitized_character_wide"; |
6262 | | size_t safe_sanitized_path_index = 0; |
6263 | | wchar_t lower_nibble = 0; |
6264 | | wchar_t upper_nibble = 0; |
6265 | | |
6266 | | if( ( sanitized_character_size != 1 ) |
6267 | | && ( sanitized_character_size != 2 ) |
6268 | | && ( sanitized_character_size != 4 ) ) |
6269 | | { |
6270 | | libcerror_error_set( |
6271 | | error, |
6272 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
6273 | | LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS, |
6274 | | "%s: invalid sanitized character size value out of bounds.", |
6275 | | function ); |
6276 | | |
6277 | | return( -1 ); |
6278 | | } |
6279 | | if( sanitized_path == NULL ) |
6280 | | { |
6281 | | libcerror_error_set( |
6282 | | error, |
6283 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
6284 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
6285 | | "%s: invalid sanitized path.", |
6286 | | function ); |
6287 | | |
6288 | | return( -1 ); |
6289 | | } |
6290 | | if( sanitized_path_size > (size_t) SSIZE_MAX ) |
6291 | | { |
6292 | | libcerror_error_set( |
6293 | | error, |
6294 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
6295 | | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
6296 | | "%s: invalid sanitized path size value exceeds maximum.", |
6297 | | function ); |
6298 | | |
6299 | | return( -1 ); |
6300 | | } |
6301 | | if( sanitized_path_index == NULL ) |
6302 | | { |
6303 | | libcerror_error_set( |
6304 | | error, |
6305 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
6306 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
6307 | | "%s: invalid sanitized path index.", |
6308 | | function ); |
6309 | | |
6310 | | return( -1 ); |
6311 | | } |
6312 | | safe_sanitized_path_index = *sanitized_path_index; |
6313 | | |
6314 | | if( safe_sanitized_path_index > sanitized_path_size ) |
6315 | | { |
6316 | | libcerror_error_set( |
6317 | | error, |
6318 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
6319 | | LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS, |
6320 | | "%s: invalid sanitized path index value out of bounds.", |
6321 | | function ); |
6322 | | |
6323 | | return( -1 ); |
6324 | | } |
6325 | | if( ( sanitized_character_size > sanitized_path_size ) |
6326 | | || ( safe_sanitized_path_index > ( sanitized_path_size - sanitized_character_size ) ) ) |
6327 | | { |
6328 | | libcerror_error_set( |
6329 | | error, |
6330 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
6331 | | LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL, |
6332 | | "%s: invalid sanitized path size value too small.", |
6333 | | function ); |
6334 | | |
6335 | | return( -1 ); |
6336 | | } |
6337 | | if( sanitized_character_size == 1 ) |
6338 | | { |
6339 | | sanitized_path[ safe_sanitized_path_index++ ] = character; |
6340 | | } |
6341 | | else if( sanitized_character_size == 2 ) |
6342 | | { |
6343 | | sanitized_path[ safe_sanitized_path_index++ ] = (wchar_t) LIBCPATH_ESCAPE_CHARACTER; |
6344 | | sanitized_path[ safe_sanitized_path_index++ ] = (wchar_t) LIBCPATH_ESCAPE_CHARACTER; |
6345 | | } |
6346 | | else if( sanitized_character_size == 4 ) |
6347 | | { |
6348 | | lower_nibble = character & 0x0f; |
6349 | | upper_nibble = ( character >> 4 ) & 0x0f; |
6350 | | |
6351 | | if( lower_nibble > 10 ) |
6352 | | { |
6353 | | lower_nibble += (wchar_t) 'a' - 10; |
6354 | | } |
6355 | | else |
6356 | | { |
6357 | | lower_nibble += '0'; |
6358 | | } |
6359 | | if( upper_nibble > 10 ) |
6360 | | { |
6361 | | upper_nibble += (wchar_t) 'a' - 10; |
6362 | | } |
6363 | | else |
6364 | | { |
6365 | | upper_nibble += '0'; |
6366 | | } |
6367 | | sanitized_path[ safe_sanitized_path_index++ ] = (wchar_t) LIBCPATH_ESCAPE_CHARACTER; |
6368 | | sanitized_path[ safe_sanitized_path_index++ ] = (wchar_t) 'x'; |
6369 | | sanitized_path[ safe_sanitized_path_index++ ] = upper_nibble; |
6370 | | sanitized_path[ safe_sanitized_path_index++ ] = lower_nibble; |
6371 | | } |
6372 | | *sanitized_path_index = safe_sanitized_path_index; |
6373 | | |
6374 | | return( 1 ); |
6375 | | } |
6376 | | |
6377 | | /* Retrieves a sanitized version of the filename |
6378 | | * Returns 1 if successful or -1 on error |
6379 | | */ |
6380 | | int libcpath_path_get_sanitized_filename_wide( |
6381 | | const wchar_t *filename, |
6382 | | size_t filename_length, |
6383 | | wchar_t **sanitized_filename, |
6384 | | size_t *sanitized_filename_size, |
6385 | | libcerror_error_t **error ) |
6386 | | { |
6387 | | static char *function = "libcpath_path_get_sanitized_filename_wide"; |
6388 | | wchar_t *safe_sanitized_filename = NULL; |
6389 | | size_t filename_index = 0; |
6390 | | size_t sanitized_character_size = 0; |
6391 | | size_t safe_sanitized_filename_size = 0; |
6392 | | size_t sanitized_filename_index = 0; |
6393 | | |
6394 | | if( filename == NULL ) |
6395 | | { |
6396 | | libcerror_error_set( |
6397 | | error, |
6398 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
6399 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
6400 | | "%s: invalid filename.", |
6401 | | function ); |
6402 | | |
6403 | | return( -1 ); |
6404 | | } |
6405 | | if( filename_length == 0 ) |
6406 | | { |
6407 | | libcerror_error_set( |
6408 | | error, |
6409 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
6410 | | LIBCERROR_ARGUMENT_ERROR_VALUE_ZERO_OR_LESS, |
6411 | | "%s: invalid filename length is zero.", |
6412 | | function ); |
6413 | | |
6414 | | return( -1 ); |
6415 | | } |
6416 | | if( filename_length > (size_t) ( SSIZE_MAX - 1 ) ) |
6417 | | { |
6418 | | libcerror_error_set( |
6419 | | error, |
6420 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
6421 | | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
6422 | | "%s: invalid filename length value exceeds maximum.", |
6423 | | function ); |
6424 | | |
6425 | | return( -1 ); |
6426 | | } |
6427 | | if( sanitized_filename == NULL ) |
6428 | | { |
6429 | | libcerror_error_set( |
6430 | | error, |
6431 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
6432 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
6433 | | "%s: invalid sanitized filename.", |
6434 | | function ); |
6435 | | |
6436 | | return( -1 ); |
6437 | | } |
6438 | | if( *sanitized_filename != NULL ) |
6439 | | { |
6440 | | libcerror_error_set( |
6441 | | error, |
6442 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
6443 | | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
6444 | | "%s: invalid sanitized filename value already set.", |
6445 | | function ); |
6446 | | |
6447 | | return( -1 ); |
6448 | | } |
6449 | | if( sanitized_filename_size == NULL ) |
6450 | | { |
6451 | | libcerror_error_set( |
6452 | | error, |
6453 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
6454 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
6455 | | "%s: invalid sanitized filename size.", |
6456 | | function ); |
6457 | | |
6458 | | return( -1 ); |
6459 | | } |
6460 | | safe_sanitized_filename_size = 1; |
6461 | | |
6462 | | for( filename_index = 0; |
6463 | | filename_index < filename_length; |
6464 | | filename_index++ ) |
6465 | | { |
6466 | | if( filename[ filename_index ] == LIBCPATH_SEPARATOR ) |
6467 | | { |
6468 | | sanitized_character_size = 4; |
6469 | | } |
6470 | | else if( libcpath_path_get_sanitized_character_size_wide( |
6471 | | filename[ filename_index ], |
6472 | | &sanitized_character_size, |
6473 | | error ) != 1 ) |
6474 | | { |
6475 | | libcerror_error_set( |
6476 | | error, |
6477 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
6478 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
6479 | | "%s: unable to determine sanitize character size.", |
6480 | | function ); |
6481 | | |
6482 | | goto on_error; |
6483 | | } |
6484 | | safe_sanitized_filename_size += sanitized_character_size; |
6485 | | } |
6486 | | if( safe_sanitized_filename_size > (size_t) SSIZE_MAX ) |
6487 | | { |
6488 | | libcerror_error_set( |
6489 | | error, |
6490 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
6491 | | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
6492 | | "%s: invalid sanitized filename size value exceeds maximum.", |
6493 | | function ); |
6494 | | |
6495 | | goto on_error; |
6496 | | } |
6497 | | safe_sanitized_filename = wide_string_allocate( |
6498 | | safe_sanitized_filename_size ); |
6499 | | |
6500 | | if( safe_sanitized_filename == NULL ) |
6501 | | { |
6502 | | libcerror_error_set( |
6503 | | error, |
6504 | | LIBCERROR_ERROR_DOMAIN_MEMORY, |
6505 | | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
6506 | | "%s: unable to create sanitized filename.", |
6507 | | function ); |
6508 | | |
6509 | | goto on_error; |
6510 | | } |
6511 | | for( filename_index = 0; |
6512 | | filename_index < filename_length; |
6513 | | filename_index++ ) |
6514 | | { |
6515 | | if( filename[ filename_index ] == LIBCPATH_SEPARATOR ) |
6516 | | { |
6517 | | sanitized_character_size = 4; |
6518 | | } |
6519 | | else if( libcpath_path_get_sanitized_character_size_wide( |
6520 | | filename[ filename_index ], |
6521 | | &sanitized_character_size, |
6522 | | error ) != 1 ) |
6523 | | { |
6524 | | libcerror_error_set( |
6525 | | error, |
6526 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
6527 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
6528 | | "%s: unable to determine sanitize character size.", |
6529 | | function ); |
6530 | | |
6531 | | goto on_error; |
6532 | | } |
6533 | | if( libcpath_path_get_sanitized_character_wide( |
6534 | | filename[ filename_index ], |
6535 | | sanitized_character_size, |
6536 | | safe_sanitized_filename, |
6537 | | safe_sanitized_filename_size, |
6538 | | &sanitized_filename_index, |
6539 | | error ) != 1 ) |
6540 | | { |
6541 | | libcerror_error_set( |
6542 | | error, |
6543 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
6544 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
6545 | | "%s: unable to determine sanitize character size.", |
6546 | | function ); |
6547 | | |
6548 | | goto on_error; |
6549 | | } |
6550 | | } |
6551 | | safe_sanitized_filename[ sanitized_filename_index ] = 0; |
6552 | | |
6553 | | *sanitized_filename = safe_sanitized_filename; |
6554 | | *sanitized_filename_size = safe_sanitized_filename_size; |
6555 | | |
6556 | | return( 1 ); |
6557 | | |
6558 | | on_error: |
6559 | | if( safe_sanitized_filename != NULL ) |
6560 | | { |
6561 | | memory_free( |
6562 | | safe_sanitized_filename ); |
6563 | | } |
6564 | | return( -1 ); |
6565 | | } |
6566 | | |
6567 | | /* Retrieves a sanitized version of the path |
6568 | | * Returns 1 if successful or -1 on error |
6569 | | */ |
6570 | | int libcpath_path_get_sanitized_path_wide( |
6571 | | const wchar_t *path, |
6572 | | size_t path_length, |
6573 | | wchar_t **sanitized_path, |
6574 | | size_t *sanitized_path_size, |
6575 | | libcerror_error_t **error ) |
6576 | | { |
6577 | | static char *function = "libcpath_path_get_sanitized_path_wide"; |
6578 | | wchar_t *safe_sanitized_path = NULL; |
6579 | | size_t path_index = 0; |
6580 | | size_t safe_sanitized_path_size = 0; |
6581 | | size_t sanitized_character_size = 0; |
6582 | | size_t sanitized_path_index = 0; |
6583 | | |
6584 | | #if defined( WINAPI ) |
6585 | | size_t last_path_segment_seperator_index = 0; |
6586 | | #endif |
6587 | | |
6588 | | if( path == NULL ) |
6589 | | { |
6590 | | libcerror_error_set( |
6591 | | error, |
6592 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
6593 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
6594 | | "%s: invalid path.", |
6595 | | function ); |
6596 | | |
6597 | | return( -1 ); |
6598 | | } |
6599 | | if( path_length == 0 ) |
6600 | | { |
6601 | | libcerror_error_set( |
6602 | | error, |
6603 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
6604 | | LIBCERROR_ARGUMENT_ERROR_VALUE_ZERO_OR_LESS, |
6605 | | "%s: invalid path length is zero.", |
6606 | | function ); |
6607 | | |
6608 | | return( -1 ); |
6609 | | } |
6610 | | if( path_length > (size_t) ( SSIZE_MAX - 1 ) ) |
6611 | | { |
6612 | | libcerror_error_set( |
6613 | | error, |
6614 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
6615 | | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
6616 | | "%s: invalid path length value exceeds maximum.", |
6617 | | function ); |
6618 | | |
6619 | | return( -1 ); |
6620 | | } |
6621 | | if( sanitized_path == NULL ) |
6622 | | { |
6623 | | libcerror_error_set( |
6624 | | error, |
6625 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
6626 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
6627 | | "%s: invalid sanitized path.", |
6628 | | function ); |
6629 | | |
6630 | | return( -1 ); |
6631 | | } |
6632 | | if( *sanitized_path != NULL ) |
6633 | | { |
6634 | | libcerror_error_set( |
6635 | | error, |
6636 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
6637 | | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
6638 | | "%s: invalid sanitized path value already set.", |
6639 | | function ); |
6640 | | |
6641 | | return( -1 ); |
6642 | | } |
6643 | | if( sanitized_path_size == NULL ) |
6644 | | { |
6645 | | libcerror_error_set( |
6646 | | error, |
6647 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
6648 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
6649 | | "%s: invalid sanitized path size.", |
6650 | | function ); |
6651 | | |
6652 | | return( -1 ); |
6653 | | } |
6654 | | safe_sanitized_path_size = 1; |
6655 | | |
6656 | | for( path_index = 0; |
6657 | | path_index < path_length; |
6658 | | path_index++ ) |
6659 | | { |
6660 | | if( libcpath_path_get_sanitized_character_size_wide( |
6661 | | path[ path_index ], |
6662 | | &sanitized_character_size, |
6663 | | error ) != 1 ) |
6664 | | { |
6665 | | libcerror_error_set( |
6666 | | error, |
6667 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
6668 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
6669 | | "%s: unable to determine sanitize character size.", |
6670 | | function ); |
6671 | | |
6672 | | goto on_error; |
6673 | | } |
6674 | | safe_sanitized_path_size += sanitized_character_size; |
6675 | | |
6676 | | #if defined( WINAPI ) |
6677 | | if( path[ path_index ] == LIBCPATH_SEPARATOR ) |
6678 | | { |
6679 | | last_path_segment_seperator_index = path_index; |
6680 | | } |
6681 | | #endif |
6682 | | } |
6683 | | if( safe_sanitized_path_size > (size_t) SSIZE_MAX ) |
6684 | | { |
6685 | | libcerror_error_set( |
6686 | | error, |
6687 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
6688 | | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
6689 | | "%s: invalid sanitized path size value exceeds maximum.", |
6690 | | function ); |
6691 | | |
6692 | | goto on_error; |
6693 | | } |
6694 | | #if defined( WINAPI ) |
6695 | | if( last_path_segment_seperator_index > 32767 ) |
6696 | | { |
6697 | | libcerror_error_set( |
6698 | | error, |
6699 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
6700 | | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
6701 | | "%s: last path segment separator value out of bounds.", |
6702 | | function ); |
6703 | | |
6704 | | goto on_error; |
6705 | | } |
6706 | | if( safe_sanitized_path_size > 32767 ) |
6707 | | { |
6708 | | safe_sanitized_path_size = 32767; |
6709 | | } |
6710 | | #endif |
6711 | | safe_sanitized_path = wide_string_allocate( |
6712 | | safe_sanitized_path_size ); |
6713 | | |
6714 | | if( safe_sanitized_path == NULL ) |
6715 | | { |
6716 | | libcerror_error_set( |
6717 | | error, |
6718 | | LIBCERROR_ERROR_DOMAIN_MEMORY, |
6719 | | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
6720 | | "%s: unable to create sanitized path.", |
6721 | | function ); |
6722 | | |
6723 | | goto on_error; |
6724 | | } |
6725 | | for( path_index = 0; |
6726 | | path_index < path_length; |
6727 | | path_index++ ) |
6728 | | { |
6729 | | if( libcpath_path_get_sanitized_character_size_wide( |
6730 | | path[ path_index ], |
6731 | | &sanitized_character_size, |
6732 | | error ) != 1 ) |
6733 | | { |
6734 | | libcerror_error_set( |
6735 | | error, |
6736 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
6737 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
6738 | | "%s: unable to determine sanitize character size.", |
6739 | | function ); |
6740 | | |
6741 | | goto on_error; |
6742 | | } |
6743 | | if( libcpath_path_get_sanitized_character_wide( |
6744 | | path[ path_index ], |
6745 | | sanitized_character_size, |
6746 | | safe_sanitized_path, |
6747 | | safe_sanitized_path_size, |
6748 | | &sanitized_path_index, |
6749 | | error ) != 1 ) |
6750 | | { |
6751 | | libcerror_error_set( |
6752 | | error, |
6753 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
6754 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
6755 | | "%s: unable to determine sanitize character size.", |
6756 | | function ); |
6757 | | |
6758 | | goto on_error; |
6759 | | } |
6760 | | } |
6761 | | safe_sanitized_path[ sanitized_path_index ] = 0; |
6762 | | |
6763 | | *sanitized_path = safe_sanitized_path; |
6764 | | *sanitized_path_size = safe_sanitized_path_size; |
6765 | | |
6766 | | return( 1 ); |
6767 | | |
6768 | | on_error: |
6769 | | if( safe_sanitized_path != NULL ) |
6770 | | { |
6771 | | memory_free( |
6772 | | safe_sanitized_path ); |
6773 | | } |
6774 | | return( -1 ); |
6775 | | } |
6776 | | |
6777 | | /* Combines the directory name and filename into a path |
6778 | | * Returns 1 if successful or -1 on error |
6779 | | */ |
6780 | | int libcpath_path_join_wide( |
6781 | | wchar_t **path, |
6782 | | size_t *path_size, |
6783 | | const wchar_t *directory_name, |
6784 | | size_t directory_name_length, |
6785 | | const wchar_t *filename, |
6786 | | size_t filename_length, |
6787 | | libcerror_error_t **error ) |
6788 | | { |
6789 | | static char *function = "libcpath_path_join_wide"; |
6790 | | size_t filename_index = 0; |
6791 | | size_t path_index = 0; |
6792 | | |
6793 | | if( path == NULL ) |
6794 | | { |
6795 | | libcerror_error_set( |
6796 | | error, |
6797 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
6798 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
6799 | | "%s: invalid path.", |
6800 | | function ); |
6801 | | |
6802 | | return( -1 ); |
6803 | | } |
6804 | | if( *path != NULL ) |
6805 | | { |
6806 | | libcerror_error_set( |
6807 | | error, |
6808 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
6809 | | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
6810 | | "%s: invalid path value already set.", |
6811 | | function ); |
6812 | | |
6813 | | return( -1 ); |
6814 | | } |
6815 | | if( path_size == NULL ) |
6816 | | { |
6817 | | libcerror_error_set( |
6818 | | error, |
6819 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
6820 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
6821 | | "%s: invalid path size.", |
6822 | | function ); |
6823 | | |
6824 | | return( -1 ); |
6825 | | } |
6826 | | if( directory_name == NULL ) |
6827 | | { |
6828 | | libcerror_error_set( |
6829 | | error, |
6830 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
6831 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
6832 | | "%s: invalid directory name.", |
6833 | | function ); |
6834 | | |
6835 | | return( -1 ); |
6836 | | } |
6837 | | if( directory_name_length > (size_t) SSIZE_MAX ) |
6838 | | { |
6839 | | libcerror_error_set( |
6840 | | error, |
6841 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
6842 | | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
6843 | | "%s: invalid directory name length value exceeds maximum.", |
6844 | | function ); |
6845 | | |
6846 | | return( -1 ); |
6847 | | } |
6848 | | if( filename == NULL ) |
6849 | | { |
6850 | | libcerror_error_set( |
6851 | | error, |
6852 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
6853 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
6854 | | "%s: invalid filename.", |
6855 | | function ); |
6856 | | |
6857 | | return( -1 ); |
6858 | | } |
6859 | | if( filename_length > (size_t) SSIZE_MAX ) |
6860 | | { |
6861 | | libcerror_error_set( |
6862 | | error, |
6863 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
6864 | | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
6865 | | "%s: invalid filename length value exceeds maximum.", |
6866 | | function ); |
6867 | | |
6868 | | return( -1 ); |
6869 | | } |
6870 | | /* TODO strip other patterns like /./ */ |
6871 | | while( directory_name_length > 0 ) |
6872 | | { |
6873 | | if( directory_name[ directory_name_length - 1 ] != (wchar_t) LIBCPATH_SEPARATOR ) |
6874 | | { |
6875 | | break; |
6876 | | } |
6877 | | directory_name_length--; |
6878 | | } |
6879 | | while( filename_length > 0 ) |
6880 | | { |
6881 | | if( filename[ filename_index ] != (wchar_t) LIBCPATH_SEPARATOR ) |
6882 | | { |
6883 | | break; |
6884 | | } |
6885 | | filename_index++; |
6886 | | filename_length--; |
6887 | | } |
6888 | | *path_size = directory_name_length + filename_length + 2; |
6889 | | |
6890 | | *path = wide_string_allocate( |
6891 | | *path_size ); |
6892 | | |
6893 | | if( *path == NULL ) |
6894 | | { |
6895 | | libcerror_error_set( |
6896 | | error, |
6897 | | LIBCERROR_ERROR_DOMAIN_MEMORY, |
6898 | | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
6899 | | "%s: unable to create path.", |
6900 | | function ); |
6901 | | |
6902 | | goto on_error; |
6903 | | } |
6904 | | if( wide_string_copy( |
6905 | | *path, |
6906 | | directory_name, |
6907 | | directory_name_length ) == NULL ) |
6908 | | { |
6909 | | libcerror_error_set( |
6910 | | error, |
6911 | | LIBCERROR_ERROR_DOMAIN_MEMORY, |
6912 | | LIBCERROR_MEMORY_ERROR_COPY_FAILED, |
6913 | | "%s: unable to copy directory name to path.", |
6914 | | function ); |
6915 | | |
6916 | | goto on_error; |
6917 | | } |
6918 | | path_index = directory_name_length; |
6919 | | |
6920 | | ( *path )[ path_index++ ] = (wchar_t) LIBCPATH_SEPARATOR; |
6921 | | |
6922 | | if( wide_string_copy( |
6923 | | &( ( *path )[ path_index ] ), |
6924 | | &( filename[ filename_index ] ), |
6925 | | filename_length ) == NULL ) |
6926 | | { |
6927 | | libcerror_error_set( |
6928 | | error, |
6929 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
6930 | | LIBCERROR_RUNTIME_ERROR_COPY_FAILED, |
6931 | | "%s: unable to copy filename to path.", |
6932 | | function ); |
6933 | | |
6934 | | goto on_error; |
6935 | | } |
6936 | | path_index += filename_length; |
6937 | | |
6938 | | ( *path )[ path_index ] = 0; |
6939 | | |
6940 | | return( 1 ); |
6941 | | |
6942 | | on_error: |
6943 | | if( *path != NULL ) |
6944 | | { |
6945 | | memory_free( |
6946 | | *path ); |
6947 | | |
6948 | | *path = NULL; |
6949 | | } |
6950 | | *path_size = 0; |
6951 | | |
6952 | | return( -1 ); |
6953 | | } |
6954 | | |
6955 | | #if defined( WINAPI ) && ( WINVER <= 0x0500 ) |
6956 | | |
6957 | | /* Cross Windows safe version of CreateDirectoryW |
6958 | | * Returns TRUE if successful or FALSE on error |
6959 | | */ |
6960 | | BOOL libcpath_CreateDirectoryW( |
6961 | | LPCWSTR path, |
6962 | | SECURITY_ATTRIBUTES *security_attributes ) |
6963 | | { |
6964 | | FARPROC function = NULL; |
6965 | | HMODULE library_handle = NULL; |
6966 | | BOOL result = FALSE; |
6967 | | |
6968 | | if( path == NULL ) |
6969 | | { |
6970 | | return( 0 ); |
6971 | | } |
6972 | | library_handle = LoadLibrary( |
6973 | | _SYSTEM_STRING( "kernel32.dll" ) ); |
6974 | | |
6975 | | if( library_handle == NULL ) |
6976 | | { |
6977 | | return( 0 ); |
6978 | | } |
6979 | | function = GetProcAddress( |
6980 | | library_handle, |
6981 | | (LPCSTR) "CreateDirectoryW" ); |
6982 | | |
6983 | | if( function != NULL ) |
6984 | | { |
6985 | | result = function( |
6986 | | path, |
6987 | | security_attributes ); |
6988 | | } |
6989 | | /* This call should be after using the function |
6990 | | * in most cases kernel32.dll will still be available after free |
6991 | | */ |
6992 | | if( FreeLibrary( |
6993 | | library_handle ) != TRUE ) |
6994 | | { |
6995 | | libcpath_CloseHandle( |
6996 | | library_handle ); |
6997 | | |
6998 | | return( 0 ); |
6999 | | } |
7000 | | return( result ); |
7001 | | } |
7002 | | |
7003 | | #endif /* defined( WINAPI ) && ( WINVER <= 0x0500 ) */ |
7004 | | |
7005 | | #if defined( WINAPI ) |
7006 | | |
7007 | | /* Makes the directory |
7008 | | * This function uses the WINAPI function for Windows XP (0x0501) or later |
7009 | | * or tries to dynamically call the function for Windows 2000 (0x0500) or earlier |
7010 | | * Returns 1 if successful or -1 on error |
7011 | | */ |
7012 | | int libcpath_path_make_directory_wide( |
7013 | | const wchar_t *directory_name, |
7014 | | libcerror_error_t **error ) |
7015 | | { |
7016 | | static char *function = "libcpath_path_make_directory_wide"; |
7017 | | DWORD error_code = 0; |
7018 | | |
7019 | | if( directory_name == NULL ) |
7020 | | { |
7021 | | libcerror_error_set( |
7022 | | error, |
7023 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
7024 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
7025 | | "%s: invalid directory name.", |
7026 | | function ); |
7027 | | |
7028 | | return( -1 ); |
7029 | | } |
7030 | | #if defined( WINAPI ) && ( WINVER <= 0x0500 ) |
7031 | | if( libcpath_CreateDirectoryW( |
7032 | | directory_name, |
7033 | | NULL ) == 0 ) |
7034 | | #else |
7035 | | if( CreateDirectoryW( |
7036 | | directory_name, |
7037 | | NULL ) == 0 ) |
7038 | | #endif |
7039 | | { |
7040 | | error_code = GetLastError(); |
7041 | | |
7042 | | libcerror_system_set_error( |
7043 | | error, |
7044 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
7045 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
7046 | | error_code, |
7047 | | "%s: unable to make directory.", |
7048 | | function ); |
7049 | | |
7050 | | return( -1 ); |
7051 | | } |
7052 | | return( 1 ); |
7053 | | } |
7054 | | |
7055 | | #elif defined( HAVE_MKDIR ) |
7056 | | |
7057 | | /* Makes the directory |
7058 | | * This function uses the POSIX mkdir function or equivalent |
7059 | | * Returns 1 if successful or -1 on error |
7060 | | */ |
7061 | | int libcpath_path_make_directory_wide( |
7062 | | const wchar_t *directory_name, |
7063 | | libcerror_error_t **error ) |
7064 | | { |
7065 | | static char *function = "libcpath_path_make_directory_wide"; |
7066 | | char *narrow_directory_name = 0; |
7067 | | size_t directory_name_length = 0; |
7068 | | size_t narrow_directory_name_size = 0; |
7069 | | |
7070 | | if( directory_name == NULL ) |
7071 | | { |
7072 | | libcerror_error_set( |
7073 | | error, |
7074 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
7075 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
7076 | | "%s: invalid directory name.", |
7077 | | function ); |
7078 | | |
7079 | | return( -1 ); |
7080 | | } |
7081 | | directory_name_length = wide_string_length( |
7082 | | directory_name ); |
7083 | | |
7084 | | if( libcpath_system_string_size_from_wide_string( |
7085 | | directory_name, |
7086 | | directory_name_length + 1, |
7087 | | &narrow_directory_name_size, |
7088 | | error ) != 1 ) |
7089 | | { |
7090 | | libcerror_error_set( |
7091 | | error, |
7092 | | LIBCERROR_ERROR_DOMAIN_CONVERSION, |
7093 | | LIBCERROR_CONVERSION_ERROR_GENERIC, |
7094 | | "%s: unable to determine narrow directory name size.", |
7095 | | function ); |
7096 | | |
7097 | | goto on_error; |
7098 | | } |
7099 | | if( ( narrow_directory_name_size > (size_t) SSIZE_MAX ) |
7100 | | || ( ( sizeof( char ) * narrow_directory_name_size ) > (size_t) SSIZE_MAX ) ) |
7101 | | { |
7102 | | libcerror_error_set( |
7103 | | error, |
7104 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
7105 | | LIBCERROR_RUNTIME_ERROR_VALUE_EXCEEDS_MAXIMUM, |
7106 | | "%s: invalid narrow directory name size value exceeds maximum.", |
7107 | | function ); |
7108 | | |
7109 | | goto on_error; |
7110 | | } |
7111 | | narrow_directory_name = narrow_string_allocate( |
7112 | | narrow_directory_name_size ); |
7113 | | |
7114 | | if( narrow_directory_name == NULL ) |
7115 | | { |
7116 | | libcerror_error_set( |
7117 | | error, |
7118 | | LIBCERROR_ERROR_DOMAIN_MEMORY, |
7119 | | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
7120 | | "%s: unable to create narrow directory name.", |
7121 | | function ); |
7122 | | |
7123 | | goto on_error; |
7124 | | } |
7125 | | if( libcpath_system_string_copy_from_wide_string( |
7126 | | narrow_directory_name, |
7127 | | narrow_directory_name_size, |
7128 | | directory_name, |
7129 | | directory_name_length + 1, |
7130 | | error ) != 1 ) |
7131 | | { |
7132 | | libcerror_error_set( |
7133 | | error, |
7134 | | LIBCERROR_ERROR_DOMAIN_CONVERSION, |
7135 | | LIBCERROR_CONVERSION_ERROR_GENERIC, |
7136 | | "%s: unable to set name.", |
7137 | | function ); |
7138 | | |
7139 | | goto on_error; |
7140 | | } |
7141 | | if( mkdir( |
7142 | | narrow_directory_name, |
7143 | | 0755 ) != 0 ) |
7144 | | { |
7145 | | libcerror_system_set_error( |
7146 | | error, |
7147 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
7148 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
7149 | | errno, |
7150 | | "%s: unable to make directory.", |
7151 | | function ); |
7152 | | |
7153 | | goto on_error; |
7154 | | } |
7155 | | memory_free( |
7156 | | narrow_directory_name ); |
7157 | | |
7158 | | return( 1 ); |
7159 | | |
7160 | | on_error: |
7161 | | if( narrow_directory_name != NULL ) |
7162 | | { |
7163 | | memory_free( |
7164 | | narrow_directory_name ); |
7165 | | } |
7166 | | return( -1 ); |
7167 | | } |
7168 | | |
7169 | | #else |
7170 | | #error Missing make directory function |
7171 | | #endif |
7172 | | |
7173 | | #endif /* defined( HAVE_WIDE_CHARACTER_TYPE ) */ |
7174 | | |