/src/libfsxfs/libcpath/libcpath_path.c
Line | Count | Source |
1 | | /* |
2 | | * Path functions |
3 | | * |
4 | | * Copyright (C) 2008-2026, Joachim Metz <joachim.metz@gmail.com> |
5 | | * |
6 | | * Refer to AUTHORS for acknowledgements. |
7 | | * |
8 | | * This program is free software: you can redistribute it and/or modify |
9 | | * it under the terms of the GNU Lesser General Public License as published by |
10 | | * the Free Software Foundation, either version 3 of the License, or |
11 | | * (at your option) any later version. |
12 | | * |
13 | | * This program is distributed in the hope that it will be useful, |
14 | | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | | * GNU General Public License for more details. |
17 | | * |
18 | | * You should have received a copy of the GNU Lesser General Public License |
19 | | * along with this program. If not, see <https://www.gnu.org/licenses/>. |
20 | | */ |
21 | | |
22 | | #include <common.h> |
23 | | #include <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 | | char *safe_current_working_directory = NULL; |
299 | | DWORD error_code = 0; |
300 | | DWORD result = 0; |
301 | | DWORD safe_current_working_directory_size = 0; |
302 | | |
303 | | if( current_working_directory == NULL ) |
304 | | { |
305 | | libcerror_error_set( |
306 | | error, |
307 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
308 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
309 | | "%s: invalid current working directory.", |
310 | | function ); |
311 | | |
312 | | return( -1 ); |
313 | | } |
314 | | if( *current_working_directory != NULL ) |
315 | | { |
316 | | libcerror_error_set( |
317 | | error, |
318 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
319 | | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
320 | | "%s: invalid current working directory value already set.", |
321 | | function ); |
322 | | |
323 | | return( -1 ); |
324 | | } |
325 | | if( current_working_directory_size == NULL ) |
326 | | { |
327 | | libcerror_error_set( |
328 | | error, |
329 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
330 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
331 | | "%s: invalid current working directory size.", |
332 | | function ); |
333 | | |
334 | | return( -1 ); |
335 | | } |
336 | | #if defined( WINAPI ) && ( WINVER <= 0x0500 ) |
337 | | safe_current_working_directory_size = libcpath_GetCurrentDirectoryA( |
338 | | 0, |
339 | | NULL ); |
340 | | #else |
341 | | safe_current_working_directory_size = GetCurrentDirectoryA( |
342 | | 0, |
343 | | NULL ); |
344 | | #endif |
345 | | if( safe_current_working_directory_size == 0 ) |
346 | | { |
347 | | libcerror_error_set( |
348 | | error, |
349 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
350 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
351 | | "%s: unable to retrieve current working directory size.", |
352 | | function ); |
353 | | |
354 | | goto on_error; |
355 | | } |
356 | | if( (size_t) safe_current_working_directory_size > (size_t) SSIZE_MAX ) |
357 | | { |
358 | | libcerror_error_set( |
359 | | error, |
360 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
361 | | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
362 | | "%s: invalid current working directory size value out of bounds.", |
363 | | function ); |
364 | | |
365 | | goto on_error; |
366 | | } |
367 | | safe_current_working_directory = narrow_string_allocate( |
368 | | safe_current_working_directory_size ); |
369 | | |
370 | | if( safe_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 | | safe_current_working_directory, |
383 | | 0, |
384 | | sizeof( char ) * safe_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 | | result = libcpath_GetCurrentDirectoryA( |
397 | | safe_current_working_directory_size, |
398 | | safe_current_working_directory ); |
399 | | #else |
400 | | result = GetCurrentDirectoryA( |
401 | | safe_current_working_directory_size, |
402 | | safe_current_working_directory ); |
403 | | #endif |
404 | | /* Note that safe_current_working_directory_size can be larger than result |
405 | | */ |
406 | | if( ( result == 0 ) |
407 | | || ( result > safe_current_working_directory_size ) ) |
408 | | { |
409 | | error_code = GetLastError(); |
410 | | |
411 | | libcerror_system_set_error( |
412 | | error, |
413 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
414 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
415 | | error_code, |
416 | | "%s: unable to retrieve current working directory.", |
417 | | function ); |
418 | | |
419 | | goto on_error; |
420 | | } |
421 | | *current_working_directory = safe_current_working_directory; |
422 | | *current_working_directory_size = (size_t) safe_current_working_directory_size; |
423 | | |
424 | | return( 1 ); |
425 | | |
426 | | on_error: |
427 | | if( safe_current_working_directory != NULL ) |
428 | | { |
429 | | memory_free( |
430 | | safe_current_working_directory ); |
431 | | } |
432 | | return( -1 ); |
433 | | } |
434 | | |
435 | | #elif defined( HAVE_GETCWD ) |
436 | | |
437 | | /* Retrieves the current working directory |
438 | | * This function uses the POSIX getcwd function or equivalent |
439 | | * Returns 1 if successful or -1 on error |
440 | | */ |
441 | | int libcpath_path_get_current_working_directory( |
442 | | char **current_working_directory, |
443 | | size_t *current_working_directory_size, |
444 | | libcerror_error_t **error ) |
445 | 0 | { |
446 | 0 | static char *function = "libcpath_path_get_current_working_directory"; |
447 | 0 | char *safe_current_working_directory = NULL; |
448 | 0 | size_t safe_current_working_directory_size = 0; |
449 | |
|
450 | 0 | if( current_working_directory == NULL ) |
451 | 0 | { |
452 | 0 | libcerror_error_set( |
453 | 0 | error, |
454 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
455 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
456 | 0 | "%s: invalid current working directory.", |
457 | 0 | function ); |
458 | |
|
459 | 0 | return( -1 ); |
460 | 0 | } |
461 | 0 | if( *current_working_directory != NULL ) |
462 | 0 | { |
463 | 0 | libcerror_error_set( |
464 | 0 | error, |
465 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
466 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
467 | 0 | "%s: invalid current working directory value already set.", |
468 | 0 | function ); |
469 | |
|
470 | 0 | return( -1 ); |
471 | 0 | } |
472 | 0 | if( current_working_directory_size == NULL ) |
473 | 0 | { |
474 | 0 | libcerror_error_set( |
475 | 0 | error, |
476 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
477 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
478 | 0 | "%s: invalid current working directory size.", |
479 | 0 | function ); |
480 | |
|
481 | 0 | return( -1 ); |
482 | 0 | } |
483 | 0 | safe_current_working_directory_size = PATH_MAX; |
484 | |
|
485 | 0 | safe_current_working_directory = narrow_string_allocate( |
486 | 0 | safe_current_working_directory_size ); |
487 | |
|
488 | 0 | if( safe_current_working_directory == NULL ) |
489 | 0 | { |
490 | 0 | libcerror_error_set( |
491 | 0 | error, |
492 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
493 | 0 | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
494 | 0 | "%s: unable to create current working directory.", |
495 | 0 | function ); |
496 | |
|
497 | 0 | goto on_error; |
498 | 0 | } |
499 | 0 | if( memory_set( |
500 | 0 | safe_current_working_directory, |
501 | 0 | 0, |
502 | 0 | sizeof( char ) * safe_current_working_directory_size ) == NULL ) |
503 | 0 | { |
504 | 0 | libcerror_error_set( |
505 | 0 | error, |
506 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
507 | 0 | LIBCERROR_MEMORY_ERROR_SET_FAILED, |
508 | 0 | "%s: unable to clear current working directory.", |
509 | 0 | function ); |
510 | |
|
511 | 0 | goto on_error; |
512 | 0 | } |
513 | 0 | if( getcwd( |
514 | 0 | safe_current_working_directory, |
515 | 0 | safe_current_working_directory_size ) == NULL ) |
516 | 0 | { |
517 | 0 | libcerror_system_set_error( |
518 | 0 | error, |
519 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
520 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
521 | 0 | errno, |
522 | 0 | "%s: unable to retrieve current working directory.", |
523 | 0 | function ); |
524 | |
|
525 | 0 | goto on_error; |
526 | 0 | } |
527 | 0 | *current_working_directory = safe_current_working_directory; |
528 | 0 | *current_working_directory_size = safe_current_working_directory_size; |
529 | |
|
530 | 0 | return( 1 ); |
531 | | |
532 | 0 | on_error: |
533 | 0 | if( safe_current_working_directory != NULL ) |
534 | 0 | { |
535 | 0 | memory_free( |
536 | 0 | safe_current_working_directory ); |
537 | 0 | } |
538 | 0 | return( -1 ); |
539 | 0 | } |
540 | | |
541 | | #else |
542 | | #error Missing get current working directory function |
543 | | #endif |
544 | | |
545 | | #if defined( WINAPI ) && ( WINVER <= 0x0500 ) |
546 | | |
547 | | /* Cross Windows safe version of GetFullPathNameA |
548 | | * Returns the number of characters in the current directory string or 0 on error |
549 | | */ |
550 | | DWORD libcpath_GetFullPathNameA( |
551 | | LPCSTR filename, |
552 | | DWORD buffer_size, |
553 | | LPSTR buffer, |
554 | | LPSTR *file_part ) |
555 | | { |
556 | | FARPROC function = NULL; |
557 | | HMODULE library_handle = NULL; |
558 | | DWORD result = 0; |
559 | | |
560 | | library_handle = LoadLibrary( |
561 | | _SYSTEM_STRING( "kernel32.dll" ) ); |
562 | | |
563 | | if( library_handle == NULL ) |
564 | | { |
565 | | return( 0 ); |
566 | | } |
567 | | function = GetProcAddress( |
568 | | library_handle, |
569 | | (LPCSTR) "GetFullPathNameA" ); |
570 | | |
571 | | if( function != NULL ) |
572 | | { |
573 | | result = function( |
574 | | filename, |
575 | | buffer_size, |
576 | | buffer, |
577 | | file_part ); |
578 | | } |
579 | | /* This call should be after using the function |
580 | | * in most cases kernel32.dll will still be available after free |
581 | | */ |
582 | | if( FreeLibrary( |
583 | | library_handle ) != TRUE ) |
584 | | { |
585 | | libcpath_CloseHandle( |
586 | | library_handle ); |
587 | | |
588 | | return( 0 ); |
589 | | } |
590 | | return( result ); |
591 | | } |
592 | | |
593 | | #endif /* defined( WINAPI ) && ( WINVER <= 0x0500 ) */ |
594 | | |
595 | | #if defined( WINAPI ) |
596 | | |
597 | | /* Determines the path type |
598 | | * Returns 1 if succesful or -1 on error |
599 | | */ |
600 | | int libcpath_path_get_path_type( |
601 | | const char *path, |
602 | | size_t path_length, |
603 | | uint8_t *path_type, |
604 | | libcerror_error_t **error ) |
605 | | { |
606 | | static char *function = "libcpath_path_get_path_type"; |
607 | | |
608 | | if( path == NULL ) |
609 | | { |
610 | | libcerror_error_set( |
611 | | error, |
612 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
613 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
614 | | "%s: invalid path.", |
615 | | function ); |
616 | | |
617 | | return( -1 ); |
618 | | } |
619 | | if( ( path_length == 0 ) |
620 | | || ( path_length > (size_t) ( SSIZE_MAX - 1 ) ) ) |
621 | | { |
622 | | libcerror_error_set( |
623 | | error, |
624 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
625 | | LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS, |
626 | | "%s: invalid path length value out of bounds.", |
627 | | function ); |
628 | | |
629 | | return( -1 ); |
630 | | } |
631 | | if( path_type == NULL ) |
632 | | { |
633 | | libcerror_error_set( |
634 | | error, |
635 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
636 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
637 | | "%s: invalid path type.", |
638 | | function ); |
639 | | |
640 | | return( -1 ); |
641 | | } |
642 | | *path_type = LIBCPATH_TYPE_RELATIVE; |
643 | | |
644 | | /* Determine if the path is a special path |
645 | | * device path prefix: \\.\ |
646 | | * extended-length path prefix: \\?\ |
647 | | */ |
648 | | if( ( path_length >= 4 ) |
649 | | && ( path[ 0 ] == '\\' ) |
650 | | && ( path[ 1 ] == '\\' ) |
651 | | && ( ( path[ 2 ] == '.' ) |
652 | | || ( path[ 2 ] == '?' ) ) |
653 | | && ( path[ 3 ] == '\\' ) ) |
654 | | { |
655 | | if( path[ 2 ] == '.' ) |
656 | | { |
657 | | *path_type = LIBCPATH_TYPE_DEVICE; |
658 | | } |
659 | | /* Determine if the path in an extended-length UNC path |
660 | | * \\?\UNC\server\share |
661 | | */ |
662 | | else if( ( path_length >= 8 ) |
663 | | && ( path[ 4 ] == 'U' ) |
664 | | && ( path[ 5 ] == 'N' ) |
665 | | && ( path[ 6 ] == 'C' ) |
666 | | && ( path[ 7 ] == '\\' ) ) |
667 | | { |
668 | | *path_type = LIBCPATH_TYPE_EXTENDED_LENGTH_UNC; |
669 | | } |
670 | | else |
671 | | { |
672 | | *path_type = LIBCPATH_TYPE_EXTENDED_LENGTH; |
673 | | } |
674 | | } |
675 | | /* Determine if the path is an UNC path |
676 | | * \\server\share |
677 | | */ |
678 | | else if( ( path_length >= 2 ) |
679 | | && ( path[ 0 ] == '\\' ) |
680 | | && ( path[ 1 ] == '\\' ) ) |
681 | | { |
682 | | *path_type = LIBCPATH_TYPE_UNC; |
683 | | } |
684 | | else if( path[ 0 ] == '\\' ) |
685 | | { |
686 | | *path_type = LIBCPATH_TYPE_ABSOLUTE; |
687 | | } |
688 | | else if( ( path_length >= 3 ) |
689 | | && ( path[ 1 ] == ':' ) |
690 | | && ( path[ 2 ] == '\\' ) |
691 | | && ( ( ( path[ 0 ] >= 'A' ) |
692 | | && ( path[ 0 ] <= 'Z' ) ) |
693 | | || ( ( path[ 0 ] >= 'a' ) |
694 | | && ( path[ 0 ] <= 'z' ) ) ) ) |
695 | | { |
696 | | *path_type = LIBCPATH_TYPE_ABSOLUTE; |
697 | | } |
698 | | return( 1 ); |
699 | | } |
700 | | |
701 | | /* Determines the volume name |
702 | | * Returns 1 if succesful or -1 on error |
703 | | */ |
704 | | int libcpath_path_get_volume_name( |
705 | | const char *path, |
706 | | size_t path_length, |
707 | | char **volume_name, |
708 | | size_t *volume_name_length, |
709 | | size_t *directory_name_index, |
710 | | libcerror_error_t **error ) |
711 | | { |
712 | | static char *function = "libcpath_path_get_volume_name"; |
713 | | size_t path_index = 0; |
714 | | size_t share_name_index = 0; |
715 | | size_t volume_name_index = 0; |
716 | | |
717 | | if( path == NULL ) |
718 | | { |
719 | | libcerror_error_set( |
720 | | error, |
721 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
722 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
723 | | "%s: invalid path.", |
724 | | function ); |
725 | | |
726 | | return( -1 ); |
727 | | } |
728 | | if( ( path_length == 0 ) |
729 | | || ( path_length > (size_t) ( SSIZE_MAX - 1 ) ) ) |
730 | | { |
731 | | libcerror_error_set( |
732 | | error, |
733 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
734 | | LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS, |
735 | | "%s: invalid path length value out of bounds.", |
736 | | function ); |
737 | | |
738 | | return( -1 ); |
739 | | } |
740 | | if( volume_name == NULL ) |
741 | | { |
742 | | libcerror_error_set( |
743 | | error, |
744 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
745 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
746 | | "%s: invalid volume name.", |
747 | | function ); |
748 | | |
749 | | return( -1 ); |
750 | | } |
751 | | if( volume_name_length == NULL ) |
752 | | { |
753 | | libcerror_error_set( |
754 | | error, |
755 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
756 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
757 | | "%s: invalid volume name length.", |
758 | | function ); |
759 | | |
760 | | return( -1 ); |
761 | | } |
762 | | if( directory_name_index == NULL ) |
763 | | { |
764 | | libcerror_error_set( |
765 | | error, |
766 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
767 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
768 | | "%s: invalid directory name index.", |
769 | | function ); |
770 | | |
771 | | return( -1 ); |
772 | | } |
773 | | *volume_name = NULL; |
774 | | *volume_name_length = 0; |
775 | | *directory_name_index = 0; |
776 | | |
777 | | /* Determine if the path is a special path |
778 | | * device path prefix: \\.\ |
779 | | * extended-length path prefix: \\?\ |
780 | | */ |
781 | | if( ( path_length >= 4 ) |
782 | | && ( path[ 0 ] == '\\' ) |
783 | | && ( path[ 1 ] == '\\' ) |
784 | | && ( ( path[ 2 ] == '.' ) |
785 | | || ( path[ 2 ] == '?' ) ) |
786 | | && ( path[ 3 ] == '\\' ) ) |
787 | | { |
788 | | if( path[ 2 ] == '.' ) |
789 | | { |
790 | | volume_name_index = 4; |
791 | | } |
792 | | /* Determine if the path in an extended-length UNC path |
793 | | * \\?\UNC\server\share |
794 | | */ |
795 | | else if( ( path_length >= 8 ) |
796 | | && ( path[ 4 ] == 'U' ) |
797 | | && ( path[ 5 ] == 'N' ) |
798 | | && ( path[ 6 ] == 'C' ) |
799 | | && ( path[ 7 ] == '\\' ) ) |
800 | | { |
801 | | volume_name_index = 8; |
802 | | } |
803 | | else |
804 | | { |
805 | | volume_name_index = 4; |
806 | | } |
807 | | } |
808 | | /* Determine if the path is an UNC path |
809 | | * \\server\share |
810 | | */ |
811 | | else if( ( path_length >= 2 ) |
812 | | && ( path[ 0 ] == '\\' ) |
813 | | && ( path[ 1 ] == '\\' ) ) |
814 | | { |
815 | | volume_name_index = 2; |
816 | | } |
817 | | /* Check if the path contains a volume letter |
818 | | */ |
819 | | if( ( path_length >= 2 ) |
820 | | && ( volume_name_index <= ( path_length - 2 ) ) |
821 | | && ( path[ volume_name_index + 1 ] == ':' ) |
822 | | && ( ( ( path[ volume_name_index ] >= 'A' ) |
823 | | && ( path[ volume_name_index ] <= 'Z' ) ) |
824 | | || ( ( path[ volume_name_index ] >= 'a' ) |
825 | | && ( path[ volume_name_index ] <= 'z' ) ) ) ) |
826 | | { |
827 | | path_index = volume_name_index + 2; |
828 | | |
829 | | if( ( path_index < path_length ) |
830 | | && ( path[ path_index ] == '\\' ) ) |
831 | | { |
832 | | path_index++; |
833 | | } |
834 | | *volume_name = (char *) &( path[ volume_name_index ] ); |
835 | | *volume_name_length = path_index - volume_name_index; |
836 | | |
837 | | if( path[ path_index - 1 ] == '\\' ) |
838 | | { |
839 | | *volume_name_length -= 1; |
840 | | } |
841 | | *directory_name_index = path_index; |
842 | | } |
843 | | else if( volume_name_index == 4 ) |
844 | | { |
845 | | for( path_index = volume_name_index; |
846 | | path_index < path_length; |
847 | | path_index++ ) |
848 | | { |
849 | | if( path[ path_index ] == '\\' ) |
850 | | { |
851 | | path_index++; |
852 | | |
853 | | break; |
854 | | } |
855 | | } |
856 | | *volume_name = (char *) &( path[ 4 ] ); |
857 | | *volume_name_length = path_index - 4; |
858 | | |
859 | | if( path[ path_index - 1 ] == '\\' ) |
860 | | { |
861 | | *volume_name_length -= 1; |
862 | | } |
863 | | *directory_name_index = path_index; |
864 | | } |
865 | | else if( ( volume_name_index == 2 ) |
866 | | || ( volume_name_index == 8 ) ) |
867 | | { |
868 | | for( share_name_index = volume_name_index; |
869 | | share_name_index < path_length; |
870 | | share_name_index++ ) |
871 | | { |
872 | | if( path[ share_name_index ] == '\\' ) |
873 | | { |
874 | | share_name_index++; |
875 | | |
876 | | break; |
877 | | } |
878 | | } |
879 | | if( share_name_index > path_length ) |
880 | | { |
881 | | libcerror_error_set( |
882 | | error, |
883 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
884 | | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
885 | | "%s: invalid path - missing share name.", |
886 | | function ); |
887 | | |
888 | | return( -1 ); |
889 | | } |
890 | | for( path_index = share_name_index; |
891 | | path_index < path_length; |
892 | | path_index++ ) |
893 | | { |
894 | | if( path[ path_index ] == '\\' ) |
895 | | { |
896 | | path_index++; |
897 | | |
898 | | break; |
899 | | } |
900 | | } |
901 | | *volume_name = (char *) &( path[ volume_name_index ] ); |
902 | | *volume_name_length = path_index - volume_name_index; |
903 | | |
904 | | if( path[ path_index - 1 ] == '\\' ) |
905 | | { |
906 | | *volume_name_length -= 1; |
907 | | } |
908 | | *directory_name_index = path_index; |
909 | | } |
910 | | return( 1 ); |
911 | | } |
912 | | |
913 | | /* Retrieves the current working directory of a specific volume |
914 | | * Returns 1 if successful or -1 on error |
915 | | */ |
916 | | int libcpath_path_get_current_working_directory_by_volume( |
917 | | char *volume_name, |
918 | | size_t volume_name_length, |
919 | | char **current_working_directory, |
920 | | size_t *current_working_directory_size, |
921 | | libcerror_error_t **error ) |
922 | | { |
923 | | static char *function = "libcpath_path_get_current_working_directory_by_volume"; |
924 | | char *safe_current_working_directory = NULL; |
925 | | DWORD error_code = 0; |
926 | | DWORD result = 0; |
927 | | DWORD safe_current_working_directory_size = 0; |
928 | | |
929 | | if( volume_name == NULL ) |
930 | | { |
931 | | libcerror_error_set( |
932 | | error, |
933 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
934 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
935 | | "%s: invalid volume name.", |
936 | | function ); |
937 | | |
938 | | return( -1 ); |
939 | | } |
940 | | if( ( volume_name_length == 0 ) |
941 | | || ( volume_name_length > (size_t) ( SSIZE_MAX - 1 ) ) ) |
942 | | { |
943 | | libcerror_error_set( |
944 | | error, |
945 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
946 | | LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS, |
947 | | "%s: invalid volume name length value out of bounds.", |
948 | | function ); |
949 | | |
950 | | return( -1 ); |
951 | | } |
952 | | if( current_working_directory == NULL ) |
953 | | { |
954 | | libcerror_error_set( |
955 | | error, |
956 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
957 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
958 | | "%s: invalid current working directory.", |
959 | | function ); |
960 | | |
961 | | return( -1 ); |
962 | | } |
963 | | if( *current_working_directory != NULL ) |
964 | | { |
965 | | libcerror_error_set( |
966 | | error, |
967 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
968 | | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
969 | | "%s: invalid current working directory value already set.", |
970 | | function ); |
971 | | |
972 | | return( -1 ); |
973 | | } |
974 | | if( current_working_directory_size == NULL ) |
975 | | { |
976 | | libcerror_error_set( |
977 | | error, |
978 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
979 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
980 | | "%s: invalid current working directory size.", |
981 | | function ); |
982 | | |
983 | | return( -1 ); |
984 | | } |
985 | | #if defined( WINAPI ) && ( WINVER <= 0x0500 ) |
986 | | safe_current_working_directory_size = libcpath_GetFullPathNameA( |
987 | | volume_name, |
988 | | 0, |
989 | | NULL, |
990 | | NULL ); |
991 | | #else |
992 | | safe_current_working_directory_size = GetFullPathNameA( |
993 | | volume_name, |
994 | | 0, |
995 | | NULL, |
996 | | NULL ); |
997 | | #endif |
998 | | if( safe_current_working_directory_size == 0 ) |
999 | | { |
1000 | | libcerror_error_set( |
1001 | | error, |
1002 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1003 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1004 | | "%s: unable to retrieve current working directory size.", |
1005 | | function ); |
1006 | | |
1007 | | goto on_error; |
1008 | | } |
1009 | | if( (size_t) safe_current_working_directory_size > (size_t) SSIZE_MAX ) |
1010 | | { |
1011 | | libcerror_error_set( |
1012 | | error, |
1013 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1014 | | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
1015 | | "%s: invalid current working directory size value out of bounds.", |
1016 | | function ); |
1017 | | |
1018 | | goto on_error; |
1019 | | } |
1020 | | safe_current_working_directory = narrow_string_allocate( |
1021 | | safe_current_working_directory_size ); |
1022 | | |
1023 | | if( safe_current_working_directory == NULL ) |
1024 | | { |
1025 | | libcerror_error_set( |
1026 | | error, |
1027 | | LIBCERROR_ERROR_DOMAIN_MEMORY, |
1028 | | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
1029 | | "%s: unable to create current working directory.", |
1030 | | function ); |
1031 | | |
1032 | | goto on_error; |
1033 | | } |
1034 | | if( memory_set( |
1035 | | safe_current_working_directory, |
1036 | | 0, |
1037 | | sizeof( char ) * safe_current_working_directory_size ) == NULL ) |
1038 | | { |
1039 | | libcerror_error_set( |
1040 | | error, |
1041 | | LIBCERROR_ERROR_DOMAIN_MEMORY, |
1042 | | LIBCERROR_MEMORY_ERROR_SET_FAILED, |
1043 | | "%s: unable to clear current working directory.", |
1044 | | function ); |
1045 | | |
1046 | | goto on_error; |
1047 | | } |
1048 | | #if defined( WINAPI ) && ( WINVER <= 0x0500 ) |
1049 | | result = libcpath_GetFullPathNameA( |
1050 | | volume_name, |
1051 | | safe_current_working_directory_size, |
1052 | | safe_current_working_directory, |
1053 | | NULL ); |
1054 | | #else |
1055 | | result = GetFullPathNameA( |
1056 | | volume_name, |
1057 | | safe_current_working_directory_size, |
1058 | | safe_current_working_directory, |
1059 | | NULL ); |
1060 | | #endif |
1061 | | /* Note that safe_current_working_directory_size can be larger than result |
1062 | | */ |
1063 | | if( ( result == 0 ) |
1064 | | || ( result > safe_current_working_directory_size ) ) |
1065 | | { |
1066 | | error_code = GetLastError(); |
1067 | | |
1068 | | libcerror_system_set_error( |
1069 | | error, |
1070 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1071 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1072 | | error_code, |
1073 | | "%s: unable to retrieve current working directory.", |
1074 | | function ); |
1075 | | |
1076 | | goto on_error; |
1077 | | } |
1078 | | *current_working_directory = safe_current_working_directory; |
1079 | | *current_working_directory_size = (size_t) safe_current_working_directory_size; |
1080 | | |
1081 | | return( 1 ); |
1082 | | |
1083 | | on_error: |
1084 | | if( safe_current_working_directory != NULL ) |
1085 | | { |
1086 | | memory_free( |
1087 | | safe_current_working_directory ); |
1088 | | } |
1089 | | return( -1 ); |
1090 | | } |
1091 | | |
1092 | | /* Determines the full path of the Windows path specified |
1093 | | * The function uses the extended-length path format |
1094 | | * (path with \\?\ prefix) |
1095 | | * |
1096 | | * Multiple successive \ not at the start of the path are combined into one |
1097 | | * |
1098 | | * Scenario's that are considered full paths: |
1099 | | * Device path: \\.\PhysicalDrive0 |
1100 | | * Extended-length path: \\?\C:\directory\file.txt |
1101 | | * Extended-length UNC path: \\?\UNC\server\share\directory\file.txt |
1102 | | * |
1103 | | * Scenario's that are not considered full paths: |
1104 | | * Local 'absolute' path: \directory\file.txt |
1105 | | * \directory\\file.txt |
1106 | | * Local 'relative' path: ..\directory\file.txt |
1107 | | * Local 'relative' path: .\directory\file.txt |
1108 | | * Volume 'absolute' path: C:\directory\file.txt |
1109 | | * C:\..\directory\file.txt |
1110 | | * Volume 'relative' path: C:directory\file.txt |
1111 | | * UNC path: \\server\share\directory\file.txt |
1112 | | * |
1113 | | * TODO handle: |
1114 | | * Volume device path: \\.\C: |
1115 | | * Volume file system path: \\.\C:\ |
1116 | | * |
1117 | | * Returns 1 if succesful or -1 on error |
1118 | | */ |
1119 | | int libcpath_path_get_full_path( |
1120 | | const char *path, |
1121 | | size_t path_length, |
1122 | | char **full_path, |
1123 | | size_t *full_path_size, |
1124 | | libcerror_error_t **error ) |
1125 | | { |
1126 | | libcsplit_narrow_split_string_t *current_directory_split_string = NULL; |
1127 | | libcsplit_narrow_split_string_t *path_split_string = NULL; |
1128 | | char *current_directory = NULL; |
1129 | | char *current_directory_string_segment = NULL; |
1130 | | char *full_path_prefix = NULL; |
1131 | | char *last_used_path_string_segment = NULL; |
1132 | | char *path_string_segment = NULL; |
1133 | | char *safe_full_path = NULL; |
1134 | | char *volume_name = NULL; |
1135 | | static char *function = "libcpath_path_get_full_path"; |
1136 | | size_t current_directory_length = 0; |
1137 | | size_t current_directory_name_index = 0; |
1138 | | size_t current_directory_size = 0; |
1139 | | size_t current_directory_string_segment_size = 0; |
1140 | | size_t full_path_index = 0; |
1141 | | size_t full_path_prefix_length = 0; |
1142 | | size_t last_used_path_string_segment_size = 0; |
1143 | | size_t path_directory_name_index = 0; |
1144 | | size_t path_string_segment_length = 0; |
1145 | | size_t path_string_segment_size = 0; |
1146 | | size_t safe_full_path_size = 0; |
1147 | | size_t volume_name_length = 0; |
1148 | | uint8_t path_type = LIBCPATH_TYPE_RELATIVE; |
1149 | | int current_directory_number_of_segments = 0; |
1150 | | int current_directory_segment_index = 0; |
1151 | | int last_used_path_segment_index = -1; |
1152 | | int path_number_of_segments = 0; |
1153 | | int path_segment_index = 0; |
1154 | | int result = 0; |
1155 | | |
1156 | | if( path == NULL ) |
1157 | | { |
1158 | | libcerror_error_set( |
1159 | | error, |
1160 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1161 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1162 | | "%s: invalid path.", |
1163 | | function ); |
1164 | | |
1165 | | return( -1 ); |
1166 | | } |
1167 | | if( ( path_length == 0 ) |
1168 | | || ( path_length > (size_t) ( SSIZE_MAX - 1 ) ) ) |
1169 | | { |
1170 | | libcerror_error_set( |
1171 | | error, |
1172 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1173 | | LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS, |
1174 | | "%s: invalid path length value out of bounds.", |
1175 | | function ); |
1176 | | |
1177 | | return( -1 ); |
1178 | | } |
1179 | | if( full_path == NULL ) |
1180 | | { |
1181 | | libcerror_error_set( |
1182 | | error, |
1183 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1184 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1185 | | "%s: invalid full path.", |
1186 | | function ); |
1187 | | |
1188 | | return( -1 ); |
1189 | | } |
1190 | | if( *full_path != NULL ) |
1191 | | { |
1192 | | libcerror_error_set( |
1193 | | error, |
1194 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1195 | | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
1196 | | "%s: invalid full path value already set.", |
1197 | | function ); |
1198 | | |
1199 | | return( -1 ); |
1200 | | } |
1201 | | if( full_path_size == NULL ) |
1202 | | { |
1203 | | libcerror_error_set( |
1204 | | error, |
1205 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1206 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
1207 | | "%s: invalid full path size.", |
1208 | | function ); |
1209 | | |
1210 | | return( -1 ); |
1211 | | } |
1212 | | if( libcpath_path_get_path_type( |
1213 | | path, |
1214 | | path_length, |
1215 | | &path_type, |
1216 | | error ) != 1 ) |
1217 | | { |
1218 | | libcerror_error_set( |
1219 | | error, |
1220 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1221 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1222 | | "%s: unable to determine path type.", |
1223 | | function ); |
1224 | | |
1225 | | goto on_error; |
1226 | | } |
1227 | | if( libcpath_path_get_volume_name( |
1228 | | path, |
1229 | | path_length, |
1230 | | &volume_name, |
1231 | | &volume_name_length, |
1232 | | &path_directory_name_index, |
1233 | | error ) != 1 ) |
1234 | | { |
1235 | | libcerror_error_set( |
1236 | | error, |
1237 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1238 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1239 | | "%s: unable to determine volume name.", |
1240 | | function ); |
1241 | | |
1242 | | goto on_error; |
1243 | | } |
1244 | | /* If the path is a device path, an extended-length path or an UNC |
1245 | | * do not bother to lookup the current working directory |
1246 | | */ |
1247 | | if( ( path_type != LIBCPATH_TYPE_DEVICE ) |
1248 | | && ( path_type != LIBCPATH_TYPE_EXTENDED_LENGTH ) |
1249 | | && ( path_type != LIBCPATH_TYPE_EXTENDED_LENGTH_UNC ) |
1250 | | && ( path_type != LIBCPATH_TYPE_UNC ) ) |
1251 | | { |
1252 | | if( volume_name == NULL ) |
1253 | | { |
1254 | | result = libcpath_path_get_current_working_directory( |
1255 | | ¤t_directory, |
1256 | | ¤t_directory_size, |
1257 | | error ); |
1258 | | } |
1259 | | else |
1260 | | { |
1261 | | result = libcpath_path_get_current_working_directory_by_volume( |
1262 | | volume_name, |
1263 | | volume_name_length, |
1264 | | ¤t_directory, |
1265 | | ¤t_directory_size, |
1266 | | error ); |
1267 | | } |
1268 | | if( result != 1 ) |
1269 | | { |
1270 | | libcerror_error_set( |
1271 | | error, |
1272 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1273 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1274 | | "%s: unable to retrieve current working directory.", |
1275 | | function ); |
1276 | | |
1277 | | goto on_error; |
1278 | | } |
1279 | | if( volume_name == NULL ) |
1280 | | { |
1281 | | /* Determine the volume name using the current working directory if necessary |
1282 | | */ |
1283 | | if( libcpath_path_get_volume_name( |
1284 | | current_directory, |
1285 | | current_directory_size - 1, |
1286 | | &volume_name, |
1287 | | &volume_name_length, |
1288 | | ¤t_directory_name_index, |
1289 | | error ) != 1 ) |
1290 | | { |
1291 | | libcerror_error_set( |
1292 | | error, |
1293 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1294 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1295 | | "%s: unable to determine volume name from current working directory.", |
1296 | | function ); |
1297 | | |
1298 | | goto on_error; |
1299 | | } |
1300 | | } |
1301 | | } |
1302 | | /* The full path prefix consists of "\\?\" or "\\.\" |
1303 | | */ |
1304 | | full_path_prefix_length = 4; |
1305 | | |
1306 | | if( volume_name != NULL ) |
1307 | | { |
1308 | | /* Add the volume or device name |
1309 | | */ |
1310 | | full_path_prefix_length += volume_name_length; |
1311 | | } |
1312 | | if( ( path_type == LIBCPATH_TYPE_EXTENDED_LENGTH_UNC ) |
1313 | | || ( path_type == LIBCPATH_TYPE_UNC ) ) |
1314 | | { |
1315 | | /* Add the "UNC\" prefix |
1316 | | */ |
1317 | | full_path_prefix_length += 4; |
1318 | | } |
1319 | | if( ( current_directory != NULL ) |
1320 | | && ( current_directory_name_index < current_directory_size ) ) |
1321 | | { |
1322 | | current_directory_length = narrow_string_length( |
1323 | | &( current_directory[ current_directory_name_index ] ) ); |
1324 | | |
1325 | | if( libcsplit_narrow_string_split( |
1326 | | &( current_directory[ current_directory_name_index ] ), |
1327 | | current_directory_length + 1, |
1328 | | '\\', |
1329 | | ¤t_directory_split_string, |
1330 | | error ) != 1 ) |
1331 | | { |
1332 | | libcerror_error_set( |
1333 | | error, |
1334 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1335 | | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
1336 | | "%s: unable to split current working directory.", |
1337 | | function ); |
1338 | | |
1339 | | goto on_error; |
1340 | | } |
1341 | | if( libcsplit_narrow_split_string_get_number_of_segments( |
1342 | | current_directory_split_string, |
1343 | | ¤t_directory_number_of_segments, |
1344 | | error ) != 1 ) |
1345 | | { |
1346 | | libcerror_error_set( |
1347 | | error, |
1348 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1349 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1350 | | "%s: unable to retrieve number of current working directory string segments.", |
1351 | | function ); |
1352 | | |
1353 | | goto on_error; |
1354 | | } |
1355 | | current_directory_segment_index = current_directory_number_of_segments - 1; |
1356 | | |
1357 | | if( path_type == LIBCPATH_TYPE_RELATIVE ) |
1358 | | { |
1359 | | /* If the path is relative |
1360 | | * add the size of the current working directory |
1361 | | * a directory separator, if necessary |
1362 | | */ |
1363 | | safe_full_path_size += ( current_directory_size - ( current_directory_name_index + 1 ) ); |
1364 | | |
1365 | | if( ( current_directory_size >= 2 ) |
1366 | | && ( current_directory[ current_directory_size - 2 ] != '\\' ) ) |
1367 | | { |
1368 | | safe_full_path_size += 1; |
1369 | | } |
1370 | | } |
1371 | | } |
1372 | | if( libcsplit_narrow_string_split( |
1373 | | &( path[ path_directory_name_index ] ), |
1374 | | path_length - path_directory_name_index + 1, |
1375 | | '\\', |
1376 | | &path_split_string, |
1377 | | error ) != 1 ) |
1378 | | { |
1379 | | libcerror_error_set( |
1380 | | error, |
1381 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1382 | | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
1383 | | "%s: unable to split path.", |
1384 | | function ); |
1385 | | |
1386 | | goto on_error; |
1387 | | } |
1388 | | if( path_split_string != NULL ) |
1389 | | { |
1390 | | if( libcsplit_narrow_split_string_get_number_of_segments( |
1391 | | path_split_string, |
1392 | | &path_number_of_segments, |
1393 | | error ) != 1 ) |
1394 | | { |
1395 | | libcerror_error_set( |
1396 | | error, |
1397 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1398 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1399 | | "%s: unable to retrieve number of path string segments.", |
1400 | | function ); |
1401 | | |
1402 | | goto on_error; |
1403 | | } |
1404 | | for( path_segment_index = 0; |
1405 | | path_segment_index < path_number_of_segments; |
1406 | | path_segment_index++ ) |
1407 | | { |
1408 | | if( libcsplit_narrow_split_string_get_segment_by_index( |
1409 | | path_split_string, |
1410 | | path_segment_index, |
1411 | | &path_string_segment, |
1412 | | &path_string_segment_size, |
1413 | | error ) != 1 ) |
1414 | | { |
1415 | | libcerror_error_set( |
1416 | | error, |
1417 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1418 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1419 | | "%s: unable to retrieve path string segment: %d.", |
1420 | | function, |
1421 | | path_segment_index ); |
1422 | | |
1423 | | goto on_error; |
1424 | | } |
1425 | | if( path_string_segment == NULL ) |
1426 | | { |
1427 | | libcerror_error_set( |
1428 | | error, |
1429 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1430 | | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
1431 | | "%s: missing path string segment: %d.", |
1432 | | function, |
1433 | | path_segment_index ); |
1434 | | |
1435 | | goto on_error; |
1436 | | } |
1437 | | /* If the path is "" (empty) or "." (current) ignore the entry |
1438 | | */ |
1439 | | if( ( path_string_segment_size <= 1 ) |
1440 | | || ( ( path_string_segment_size == 2 ) |
1441 | | && ( path_string_segment[ 0 ] == '.' ) ) ) |
1442 | | { |
1443 | | if( libcsplit_narrow_split_string_set_segment_by_index( |
1444 | | path_split_string, |
1445 | | path_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 path string segment: %d.", |
1455 | | function, |
1456 | | path_segment_index ); |
1457 | | |
1458 | | goto on_error; |
1459 | | } |
1460 | | } |
1461 | | /* If the path is ".." (parent) reverse the current path by one directory |
1462 | | */ |
1463 | | else if( ( path_string_segment_size == 3 ) |
1464 | | && ( path_string_segment[ 0 ] == '.' ) |
1465 | | && ( path_string_segment[ 1 ] == '.' ) ) |
1466 | | { |
1467 | | if( ( current_directory_split_string != NULL ) |
1468 | | && ( last_used_path_segment_index == -1 ) ) |
1469 | | { |
1470 | | if( libcsplit_narrow_split_string_get_segment_by_index( |
1471 | | current_directory_split_string, |
1472 | | current_directory_segment_index, |
1473 | | ¤t_directory_string_segment, |
1474 | | ¤t_directory_string_segment_size, |
1475 | | error ) != 1 ) |
1476 | | { |
1477 | | libcerror_error_set( |
1478 | | error, |
1479 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1480 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1481 | | "%s: unable to retrieve current working directory string segment: %d.", |
1482 | | function, |
1483 | | current_directory_segment_index ); |
1484 | | |
1485 | | goto on_error; |
1486 | | } |
1487 | | if( current_directory_string_segment == NULL ) |
1488 | | { |
1489 | | libcerror_error_set( |
1490 | | error, |
1491 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1492 | | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
1493 | | "%s: missing current working directory string segment: %d.", |
1494 | | function, |
1495 | | current_directory_segment_index ); |
1496 | | |
1497 | | goto on_error; |
1498 | | } |
1499 | | /* Remove the size of the parent directory name and a directory separator |
1500 | | * Note that the size includes the end of string character |
1501 | | */ |
1502 | | if( current_directory_string_segment_size < safe_full_path_size ) |
1503 | | { |
1504 | | safe_full_path_size -= current_directory_string_segment_size; |
1505 | | } |
1506 | | else |
1507 | | { |
1508 | | safe_full_path_size = 0; |
1509 | | } |
1510 | | if( libcsplit_narrow_split_string_set_segment_by_index( |
1511 | | current_directory_split_string, |
1512 | | current_directory_segment_index, |
1513 | | NULL, |
1514 | | 0, |
1515 | | error ) != 1 ) |
1516 | | { |
1517 | | libcerror_error_set( |
1518 | | error, |
1519 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1520 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1521 | | "%s: unable to set current working directory string segment: %d.", |
1522 | | function, |
1523 | | current_directory_segment_index ); |
1524 | | |
1525 | | goto on_error; |
1526 | | } |
1527 | | current_directory_segment_index--; |
1528 | | } |
1529 | | else if( last_used_path_segment_index >= 0 ) |
1530 | | { |
1531 | | if( libcsplit_narrow_split_string_get_segment_by_index( |
1532 | | path_split_string, |
1533 | | last_used_path_segment_index, |
1534 | | &last_used_path_string_segment, |
1535 | | &last_used_path_string_segment_size, |
1536 | | error ) != 1 ) |
1537 | | { |
1538 | | libcerror_error_set( |
1539 | | error, |
1540 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1541 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1542 | | "%s: unable to retrieve last used path string segment: %d.", |
1543 | | function, |
1544 | | last_used_path_segment_index ); |
1545 | | |
1546 | | goto on_error; |
1547 | | } |
1548 | | if( last_used_path_string_segment == NULL ) |
1549 | | { |
1550 | | libcerror_error_set( |
1551 | | error, |
1552 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1553 | | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
1554 | | "%s: missing last used path string string segment: %d.", |
1555 | | function, |
1556 | | last_used_path_segment_index ); |
1557 | | |
1558 | | goto on_error; |
1559 | | } |
1560 | | /* Remove the size of the parent directory name and a directory separator |
1561 | | * Note that the size includes the end of string character |
1562 | | */ |
1563 | | if( current_directory_string_segment_size < safe_full_path_size ) |
1564 | | { |
1565 | | safe_full_path_size -= last_used_path_string_segment_size; |
1566 | | } |
1567 | | else |
1568 | | { |
1569 | | safe_full_path_size = 0; |
1570 | | } |
1571 | | if( libcsplit_narrow_split_string_set_segment_by_index( |
1572 | | path_split_string, |
1573 | | last_used_path_segment_index, |
1574 | | NULL, |
1575 | | 0, |
1576 | | error ) != 1 ) |
1577 | | { |
1578 | | libcerror_error_set( |
1579 | | error, |
1580 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1581 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1582 | | "%s: unable to set path string segment: %d.", |
1583 | | function, |
1584 | | last_used_path_segment_index ); |
1585 | | |
1586 | | goto on_error; |
1587 | | } |
1588 | | /* Find the previous path split value that contains a name |
1589 | | */ |
1590 | | while( last_used_path_segment_index > 0 ) |
1591 | | { |
1592 | | last_used_path_segment_index--; |
1593 | | |
1594 | | if( libcsplit_narrow_split_string_get_segment_by_index( |
1595 | | path_split_string, |
1596 | | last_used_path_segment_index, |
1597 | | &last_used_path_string_segment, |
1598 | | &last_used_path_string_segment_size, |
1599 | | error ) != 1 ) |
1600 | | { |
1601 | | libcerror_error_set( |
1602 | | error, |
1603 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1604 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1605 | | "%s: unable to retrieve last used path string segment: %d.", |
1606 | | function, |
1607 | | last_used_path_segment_index ); |
1608 | | |
1609 | | goto on_error; |
1610 | | } |
1611 | | if( last_used_path_string_segment_size != 0 ) |
1612 | | { |
1613 | | break; |
1614 | | } |
1615 | | } |
1616 | | } |
1617 | | if( libcsplit_narrow_split_string_set_segment_by_index( |
1618 | | path_split_string, |
1619 | | path_segment_index, |
1620 | | NULL, |
1621 | | 0, |
1622 | | error ) != 1 ) |
1623 | | { |
1624 | | libcerror_error_set( |
1625 | | error, |
1626 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1627 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1628 | | "%s: unable to set path string segment: %d.", |
1629 | | function, |
1630 | | path_segment_index ); |
1631 | | |
1632 | | goto on_error; |
1633 | | } |
1634 | | } |
1635 | | else |
1636 | | { |
1637 | | /* Add the size of the directory or file name and a directory separator |
1638 | | * Note that the size includes the end of string character |
1639 | | */ |
1640 | | safe_full_path_size += path_string_segment_size; |
1641 | | |
1642 | | last_used_path_segment_index = path_segment_index; |
1643 | | } |
1644 | | } |
1645 | | /* Use the size reserved of the last directory separator for |
1646 | | * the directory separator after the path prefix. |
1647 | | */ |
1648 | | } |
1649 | | safe_full_path_size += full_path_prefix_length + 1; |
1650 | | |
1651 | | full_path_index = 0; |
1652 | | |
1653 | | safe_full_path = narrow_string_allocate( |
1654 | | safe_full_path_size ); |
1655 | | |
1656 | | if( safe_full_path == NULL ) |
1657 | | { |
1658 | | libcerror_error_set( |
1659 | | error, |
1660 | | LIBCERROR_ERROR_DOMAIN_MEMORY, |
1661 | | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
1662 | | "%s: unable to create full path.", |
1663 | | function ); |
1664 | | |
1665 | | goto on_error; |
1666 | | } |
1667 | | if( memory_set( |
1668 | | safe_full_path, |
1669 | | 0, |
1670 | | sizeof( char ) * safe_full_path_size ) == NULL ) |
1671 | | { |
1672 | | libcerror_error_set( |
1673 | | error, |
1674 | | LIBCERROR_ERROR_DOMAIN_MEMORY, |
1675 | | LIBCERROR_MEMORY_ERROR_SET_FAILED, |
1676 | | "%s: unable to clear full path.", |
1677 | | function ); |
1678 | | |
1679 | | goto on_error; |
1680 | | } |
1681 | | if( path_type == LIBCPATH_TYPE_DEVICE ) |
1682 | | { |
1683 | | full_path_prefix = "\\\\.\\"; |
1684 | | full_path_prefix_length = 4; |
1685 | | } |
1686 | | else |
1687 | | { |
1688 | | full_path_prefix = "\\\\?\\"; |
1689 | | full_path_prefix_length = 4; |
1690 | | } |
1691 | | if( full_path_prefix_length > ( safe_full_path_size - full_path_index ) ) |
1692 | | { |
1693 | | libcerror_error_set( |
1694 | | error, |
1695 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1696 | | LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS, |
1697 | | "%s: invalid full path size value out of bounds.", |
1698 | | function ); |
1699 | | |
1700 | | goto on_error; |
1701 | | } |
1702 | | if( narrow_string_copy( |
1703 | | &( safe_full_path[ full_path_index ] ), |
1704 | | full_path_prefix, |
1705 | | full_path_prefix_length ) == NULL ) |
1706 | | { |
1707 | | libcerror_error_set( |
1708 | | error, |
1709 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1710 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1711 | | "%s: unable to set prefix in full path.", |
1712 | | function ); |
1713 | | |
1714 | | goto on_error; |
1715 | | } |
1716 | | full_path_index += full_path_prefix_length; |
1717 | | |
1718 | | /* If there is a share name the path is an UNC path |
1719 | | */ |
1720 | | if( ( path_type == LIBCPATH_TYPE_EXTENDED_LENGTH_UNC ) |
1721 | | || ( path_type == LIBCPATH_TYPE_UNC ) ) |
1722 | | { |
1723 | | if( ( safe_full_path_size - full_path_index ) < 4 ) |
1724 | | { |
1725 | | libcerror_error_set( |
1726 | | error, |
1727 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1728 | | LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS, |
1729 | | "%s: invalid full path size value out of bounds.", |
1730 | | function ); |
1731 | | |
1732 | | goto on_error; |
1733 | | } |
1734 | | if( narrow_string_copy( |
1735 | | &( safe_full_path[ full_path_index ] ), |
1736 | | "UNC\\", |
1737 | | 4 ) == NULL ) |
1738 | | { |
1739 | | libcerror_error_set( |
1740 | | error, |
1741 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1742 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1743 | | "%s: unable to set UNC\\ prefix in full path.", |
1744 | | function ); |
1745 | | |
1746 | | goto on_error; |
1747 | | } |
1748 | | full_path_index += 4; |
1749 | | } |
1750 | | if( volume_name != NULL ) |
1751 | | { |
1752 | | if( volume_name_length > ( safe_full_path_size - full_path_index ) ) |
1753 | | { |
1754 | | libcerror_error_set( |
1755 | | error, |
1756 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
1757 | | LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS, |
1758 | | "%s: invalid full path size value out of bounds.", |
1759 | | function ); |
1760 | | |
1761 | | goto on_error; |
1762 | | } |
1763 | | if( narrow_string_copy( |
1764 | | &( safe_full_path[ full_path_index ] ), |
1765 | | volume_name, |
1766 | | volume_name_length ) == NULL ) |
1767 | | { |
1768 | | libcerror_error_set( |
1769 | | error, |
1770 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1771 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1772 | | "%s: unable to set volume name in full path.", |
1773 | | function ); |
1774 | | |
1775 | | goto on_error; |
1776 | | } |
1777 | | full_path_index += volume_name_length; |
1778 | | |
1779 | | safe_full_path[ full_path_index ] = '\\'; |
1780 | | |
1781 | | full_path_index += 1; |
1782 | | } |
1783 | | /* If the path is relative |
1784 | | * add the current working directory elements |
1785 | | */ |
1786 | | if( ( path_type == LIBCPATH_TYPE_RELATIVE ) |
1787 | | && ( current_directory_split_string != NULL ) ) |
1788 | | { |
1789 | | for( current_directory_segment_index = 0; |
1790 | | current_directory_segment_index < current_directory_number_of_segments; |
1791 | | current_directory_segment_index++ ) |
1792 | | { |
1793 | | if( libcsplit_narrow_split_string_get_segment_by_index( |
1794 | | current_directory_split_string, |
1795 | | current_directory_segment_index, |
1796 | | ¤t_directory_string_segment, |
1797 | | ¤t_directory_string_segment_size, |
1798 | | error ) != 1 ) |
1799 | | { |
1800 | | libcerror_error_set( |
1801 | | error, |
1802 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1803 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1804 | | "%s: unable to retrieve current working directory string segment: %d.", |
1805 | | function, |
1806 | | current_directory_segment_index ); |
1807 | | |
1808 | | goto on_error; |
1809 | | } |
1810 | | if( current_directory_string_segment_size != 0 ) |
1811 | | { |
1812 | | if( current_directory_string_segment == NULL ) |
1813 | | { |
1814 | | libcerror_error_set( |
1815 | | error, |
1816 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1817 | | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
1818 | | "%s: missing current working directory string segment: %d.", |
1819 | | function, |
1820 | | current_directory_segment_index ); |
1821 | | |
1822 | | goto on_error; |
1823 | | } |
1824 | | /* Note that here we should have room for the segment string and |
1825 | | * one additional character |
1826 | | */ |
1827 | | if( current_directory_string_segment_size > ( safe_full_path_size - full_path_index ) ) |
1828 | | { |
1829 | | libcerror_error_set( |
1830 | | error, |
1831 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1832 | | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
1833 | | "%s: invalid current working directory string segment: %d size value out of bounds.", |
1834 | | function, |
1835 | | current_directory_segment_index ); |
1836 | | |
1837 | | goto on_error; |
1838 | | } |
1839 | | path_string_segment_length = current_directory_string_segment_size - 1; |
1840 | | |
1841 | | if( narrow_string_copy( |
1842 | | &( safe_full_path[ full_path_index ] ), |
1843 | | current_directory_string_segment, |
1844 | | path_string_segment_length ) == NULL ) |
1845 | | { |
1846 | | libcerror_error_set( |
1847 | | error, |
1848 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1849 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1850 | | "%s: unable to set current working directory split value: %d in full path.", |
1851 | | function, |
1852 | | current_directory_segment_index ); |
1853 | | |
1854 | | goto on_error; |
1855 | | } |
1856 | | full_path_index += path_string_segment_length; |
1857 | | |
1858 | | safe_full_path[ full_path_index ] = '\\'; |
1859 | | |
1860 | | full_path_index += 1; |
1861 | | } |
1862 | | } |
1863 | | } |
1864 | | if( path_split_string != NULL ) |
1865 | | { |
1866 | | for( path_segment_index = 0; |
1867 | | path_segment_index < path_number_of_segments; |
1868 | | path_segment_index++ ) |
1869 | | { |
1870 | | if( libcsplit_narrow_split_string_get_segment_by_index( |
1871 | | path_split_string, |
1872 | | path_segment_index, |
1873 | | &path_string_segment, |
1874 | | &path_string_segment_size, |
1875 | | error ) != 1 ) |
1876 | | { |
1877 | | libcerror_error_set( |
1878 | | error, |
1879 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1880 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
1881 | | "%s: unable to retrieve path string segment: %d.", |
1882 | | function, |
1883 | | path_segment_index ); |
1884 | | |
1885 | | goto on_error; |
1886 | | } |
1887 | | if( path_string_segment_size != 0 ) |
1888 | | { |
1889 | | if( path_string_segment == NULL ) |
1890 | | { |
1891 | | libcerror_error_set( |
1892 | | error, |
1893 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1894 | | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
1895 | | "%s: missing path string segment: %d.", |
1896 | | function, |
1897 | | path_segment_index ); |
1898 | | |
1899 | | goto on_error; |
1900 | | } |
1901 | | /* Note that here we should have room for the segment string and |
1902 | | * one additional character |
1903 | | */ |
1904 | | if( path_string_segment_size > ( safe_full_path_size - full_path_index ) ) |
1905 | | { |
1906 | | libcerror_error_set( |
1907 | | error, |
1908 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1909 | | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
1910 | | "%s: invalid current path string segment: %d size value out of bounds.", |
1911 | | function, |
1912 | | path_segment_index ); |
1913 | | |
1914 | | goto on_error; |
1915 | | } |
1916 | | path_string_segment_length = path_string_segment_size - 1; |
1917 | | |
1918 | | if( narrow_string_copy( |
1919 | | &( safe_full_path[ full_path_index ] ), |
1920 | | path_string_segment, |
1921 | | path_string_segment_length ) == NULL ) |
1922 | | { |
1923 | | libcerror_error_set( |
1924 | | error, |
1925 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1926 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
1927 | | "%s: unable to set path split value: %d in full path.", |
1928 | | function, |
1929 | | path_segment_index ); |
1930 | | |
1931 | | goto on_error; |
1932 | | } |
1933 | | full_path_index += path_string_segment_length; |
1934 | | |
1935 | | safe_full_path[ full_path_index ] = '\\'; |
1936 | | |
1937 | | full_path_index += 1; |
1938 | | } |
1939 | | } |
1940 | | } |
1941 | | safe_full_path[ full_path_index - 1 ] = 0; |
1942 | | |
1943 | | if( path_split_string != NULL ) |
1944 | | { |
1945 | | if( libcsplit_narrow_split_string_free( |
1946 | | &path_split_string, |
1947 | | error ) != 1 ) |
1948 | | { |
1949 | | libcerror_error_set( |
1950 | | error, |
1951 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1952 | | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
1953 | | "%s: unable to free path split string.", |
1954 | | function ); |
1955 | | |
1956 | | goto on_error; |
1957 | | } |
1958 | | } |
1959 | | if( current_directory_split_string != NULL ) |
1960 | | { |
1961 | | if( libcsplit_narrow_split_string_free( |
1962 | | ¤t_directory_split_string, |
1963 | | error ) != 1 ) |
1964 | | { |
1965 | | libcerror_error_set( |
1966 | | error, |
1967 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
1968 | | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
1969 | | "%s: unable to free current working directory split string.", |
1970 | | function ); |
1971 | | |
1972 | | goto on_error; |
1973 | | } |
1974 | | } |
1975 | | if( current_directory != NULL ) |
1976 | | { |
1977 | | memory_free( |
1978 | | current_directory ); |
1979 | | } |
1980 | | *full_path = safe_full_path; |
1981 | | *full_path_size = safe_full_path_size; |
1982 | | |
1983 | | return( 1 ); |
1984 | | |
1985 | | on_error: |
1986 | | if( safe_full_path != NULL ) |
1987 | | { |
1988 | | memory_free( |
1989 | | safe_full_path ); |
1990 | | } |
1991 | | if( path_split_string != NULL ) |
1992 | | { |
1993 | | libcsplit_narrow_split_string_free( |
1994 | | &path_split_string, |
1995 | | NULL ); |
1996 | | } |
1997 | | if( current_directory_split_string != NULL ) |
1998 | | { |
1999 | | libcsplit_narrow_split_string_free( |
2000 | | ¤t_directory_split_string, |
2001 | | NULL ); |
2002 | | } |
2003 | | if( current_directory != NULL ) |
2004 | | { |
2005 | | memory_free( |
2006 | | current_directory ); |
2007 | | } |
2008 | | return( -1 ); |
2009 | | } |
2010 | | |
2011 | | #else |
2012 | | |
2013 | | /* Determines the full path of the POSIX path specified |
2014 | | * Multiple successive / are combined into one |
2015 | | * |
2016 | | * Scenarios: |
2017 | | * /home/user/file.txt |
2018 | | * /home/user//file.txt |
2019 | | * /home/user/../user/file.txt |
2020 | | * /../home/user/file.txt |
2021 | | * user/../user/file.txt |
2022 | | * |
2023 | | * Returns 1 if succesful or -1 on error |
2024 | | */ |
2025 | | int libcpath_path_get_full_path( |
2026 | | const char *path, |
2027 | | size_t path_length, |
2028 | | char **full_path, |
2029 | | size_t *full_path_size, |
2030 | | libcerror_error_t **error ) |
2031 | 0 | { |
2032 | 0 | libcsplit_narrow_split_string_t *current_directory_split_string = NULL; |
2033 | 0 | libcsplit_narrow_split_string_t *path_split_string = NULL; |
2034 | 0 | char *current_directory = NULL; |
2035 | 0 | char *current_directory_string_segment = NULL; |
2036 | 0 | char *last_used_path_string_segment = NULL; |
2037 | 0 | char *path_string_segment = NULL; |
2038 | 0 | char *safe_full_path = NULL; |
2039 | 0 | static char *function = "libcpath_path_get_full_path"; |
2040 | 0 | size_t current_directory_length = 0; |
2041 | 0 | size_t current_directory_size = 0; |
2042 | 0 | size_t current_directory_string_segment_size = 0; |
2043 | 0 | size_t full_path_index = 0; |
2044 | 0 | size_t full_path_prefix_length = 0; |
2045 | 0 | size_t last_used_path_string_segment_size = 0; |
2046 | 0 | size_t path_string_segment_length = 0; |
2047 | 0 | size_t path_string_segment_size = 0; |
2048 | 0 | size_t safe_full_path_size = 0; |
2049 | 0 | uint8_t path_type = LIBCPATH_TYPE_RELATIVE; |
2050 | 0 | int current_directory_number_of_segments = 0; |
2051 | 0 | int current_directory_segment_index = 0; |
2052 | 0 | int last_used_path_segment_index = -1; |
2053 | 0 | int path_number_of_segments = 0; |
2054 | 0 | int path_segment_index = 0; |
2055 | |
|
2056 | 0 | if( path == NULL ) |
2057 | 0 | { |
2058 | 0 | libcerror_error_set( |
2059 | 0 | error, |
2060 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2061 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2062 | 0 | "%s: invalid path.", |
2063 | 0 | function ); |
2064 | |
|
2065 | 0 | return( -1 ); |
2066 | 0 | } |
2067 | 0 | if( ( path_length == 0 ) |
2068 | 0 | || ( path_length > (size_t) ( SSIZE_MAX - 1 ) ) ) |
2069 | 0 | { |
2070 | 0 | libcerror_error_set( |
2071 | 0 | error, |
2072 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2073 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS, |
2074 | 0 | "%s: invalid path length value out of bounds.", |
2075 | 0 | function ); |
2076 | |
|
2077 | 0 | return( -1 ); |
2078 | 0 | } |
2079 | 0 | if( full_path == NULL ) |
2080 | 0 | { |
2081 | 0 | libcerror_error_set( |
2082 | 0 | error, |
2083 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2084 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2085 | 0 | "%s: invalid full path.", |
2086 | 0 | function ); |
2087 | |
|
2088 | 0 | return( -1 ); |
2089 | 0 | } |
2090 | 0 | if( *full_path != NULL ) |
2091 | 0 | { |
2092 | 0 | libcerror_error_set( |
2093 | 0 | error, |
2094 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2095 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
2096 | 0 | "%s: invalid full path value already set.", |
2097 | 0 | function ); |
2098 | |
|
2099 | 0 | return( -1 ); |
2100 | 0 | } |
2101 | 0 | if( full_path_size == NULL ) |
2102 | 0 | { |
2103 | 0 | libcerror_error_set( |
2104 | 0 | error, |
2105 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2106 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2107 | 0 | "%s: invalid full path size.", |
2108 | 0 | function ); |
2109 | |
|
2110 | 0 | return( -1 ); |
2111 | 0 | } |
2112 | | /* Determine the full path size |
2113 | | */ |
2114 | 0 | if( path[ 0 ] == '/' ) |
2115 | 0 | { |
2116 | 0 | path_type = LIBCPATH_TYPE_ABSOLUTE; |
2117 | | |
2118 | | /* If the path is absolute |
2119 | | * a directory separator |
2120 | | */ |
2121 | 0 | full_path_prefix_length = 1; |
2122 | 0 | } |
2123 | 0 | else |
2124 | 0 | { |
2125 | 0 | if( libcpath_path_get_current_working_directory( |
2126 | 0 | ¤t_directory, |
2127 | 0 | ¤t_directory_size, |
2128 | 0 | error ) != 1 ) |
2129 | 0 | { |
2130 | 0 | libcerror_error_set( |
2131 | 0 | error, |
2132 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2133 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
2134 | 0 | "%s: unable to retrieve current working directory.", |
2135 | 0 | function ); |
2136 | |
|
2137 | 0 | goto on_error; |
2138 | 0 | } |
2139 | 0 | if( current_directory == NULL ) |
2140 | 0 | { |
2141 | 0 | libcerror_error_set( |
2142 | 0 | error, |
2143 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2144 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
2145 | 0 | "%s: missing current working directory.", |
2146 | 0 | function ); |
2147 | |
|
2148 | 0 | goto on_error; |
2149 | 0 | } |
2150 | | /* We need to use the length here since current_directory_size will be PATH_MAX |
2151 | | */ |
2152 | 0 | current_directory_length = narrow_string_length( |
2153 | 0 | current_directory ); |
2154 | |
|
2155 | 0 | if( libcsplit_narrow_string_split( |
2156 | 0 | current_directory, |
2157 | 0 | current_directory_length + 1, |
2158 | 0 | '/', |
2159 | 0 | ¤t_directory_split_string, |
2160 | 0 | error ) != 1 ) |
2161 | 0 | { |
2162 | 0 | libcerror_error_set( |
2163 | 0 | error, |
2164 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2165 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
2166 | 0 | "%s: unable to split current working directory.", |
2167 | 0 | function ); |
2168 | |
|
2169 | 0 | goto on_error; |
2170 | 0 | } |
2171 | 0 | if( libcsplit_narrow_split_string_get_number_of_segments( |
2172 | 0 | current_directory_split_string, |
2173 | 0 | ¤t_directory_number_of_segments, |
2174 | 0 | error ) != 1 ) |
2175 | 0 | { |
2176 | 0 | libcerror_error_set( |
2177 | 0 | error, |
2178 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2179 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
2180 | 0 | "%s: unable to retrieve number of current working directory string segments.", |
2181 | 0 | function ); |
2182 | |
|
2183 | 0 | goto on_error; |
2184 | 0 | } |
2185 | 0 | current_directory_segment_index = current_directory_number_of_segments - 1; |
2186 | | |
2187 | | /* If the path is relative |
2188 | | * add the size of the current working directory |
2189 | | * a directory separator, if necessary |
2190 | | */ |
2191 | 0 | safe_full_path_size = current_directory_length; |
2192 | |
|
2193 | 0 | if( ( current_directory_length >= 1 ) |
2194 | 0 | && ( current_directory[ current_directory_length - 1 ] != '/' ) ) |
2195 | 0 | { |
2196 | 0 | safe_full_path_size++; |
2197 | 0 | } |
2198 | 0 | } |
2199 | 0 | if( libcsplit_narrow_string_split( |
2200 | 0 | path, |
2201 | 0 | path_length + 1, |
2202 | 0 | '/', |
2203 | 0 | &path_split_string, |
2204 | 0 | error ) != 1 ) |
2205 | 0 | { |
2206 | 0 | libcerror_error_set( |
2207 | 0 | error, |
2208 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2209 | 0 | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
2210 | 0 | "%s: unable to split path.", |
2211 | 0 | function ); |
2212 | |
|
2213 | 0 | goto on_error; |
2214 | 0 | } |
2215 | 0 | if( path_split_string != NULL ) |
2216 | 0 | { |
2217 | 0 | if( libcsplit_narrow_split_string_get_number_of_segments( |
2218 | 0 | path_split_string, |
2219 | 0 | &path_number_of_segments, |
2220 | 0 | error ) != 1 ) |
2221 | 0 | { |
2222 | 0 | libcerror_error_set( |
2223 | 0 | error, |
2224 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2225 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
2226 | 0 | "%s: unable to retrieve number of path string segments.", |
2227 | 0 | function ); |
2228 | |
|
2229 | 0 | goto on_error; |
2230 | 0 | } |
2231 | 0 | for( path_segment_index = 0; |
2232 | 0 | path_segment_index < path_number_of_segments; |
2233 | 0 | path_segment_index++ ) |
2234 | 0 | { |
2235 | 0 | if( libcsplit_narrow_split_string_get_segment_by_index( |
2236 | 0 | path_split_string, |
2237 | 0 | path_segment_index, |
2238 | 0 | &path_string_segment, |
2239 | 0 | &path_string_segment_size, |
2240 | 0 | error ) != 1 ) |
2241 | 0 | { |
2242 | 0 | libcerror_error_set( |
2243 | 0 | error, |
2244 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2245 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
2246 | 0 | "%s: unable to retrieve path string segment: %d.", |
2247 | 0 | function, |
2248 | 0 | path_segment_index ); |
2249 | |
|
2250 | 0 | goto on_error; |
2251 | 0 | } |
2252 | 0 | if( path_string_segment == NULL ) |
2253 | 0 | { |
2254 | 0 | libcerror_error_set( |
2255 | 0 | error, |
2256 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2257 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
2258 | 0 | "%s: missing path string segment: %d.", |
2259 | 0 | function, |
2260 | 0 | path_segment_index ); |
2261 | |
|
2262 | 0 | goto on_error; |
2263 | 0 | } |
2264 | | /* If the path is "" (empty) or "." (current) ignore the entry |
2265 | | */ |
2266 | 0 | if( ( path_string_segment_size <= 1 ) |
2267 | 0 | || ( ( path_string_segment_size == 2 ) |
2268 | 0 | && ( path_string_segment[ 0 ] == '.' ) ) ) |
2269 | 0 | { |
2270 | 0 | if( libcsplit_narrow_split_string_set_segment_by_index( |
2271 | 0 | path_split_string, |
2272 | 0 | path_segment_index, |
2273 | 0 | NULL, |
2274 | 0 | 0, |
2275 | 0 | error ) != 1 ) |
2276 | 0 | { |
2277 | 0 | libcerror_error_set( |
2278 | 0 | error, |
2279 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2280 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2281 | 0 | "%s: unable to set path string segment: %d.", |
2282 | 0 | function, |
2283 | 0 | path_segment_index ); |
2284 | |
|
2285 | 0 | goto on_error; |
2286 | 0 | } |
2287 | 0 | } |
2288 | | /* If the path is ".." (parent) reverse the current path by one directory |
2289 | | */ |
2290 | 0 | else if( ( path_string_segment_size == 3 ) |
2291 | 0 | && ( path_string_segment[ 0 ] == '.' ) |
2292 | 0 | && ( path_string_segment[ 1 ] == '.' ) ) |
2293 | 0 | { |
2294 | 0 | if( ( current_directory_split_string != NULL ) |
2295 | 0 | && ( last_used_path_segment_index == -1 ) ) |
2296 | 0 | { |
2297 | 0 | if( libcsplit_narrow_split_string_get_segment_by_index( |
2298 | 0 | current_directory_split_string, |
2299 | 0 | current_directory_segment_index, |
2300 | 0 | ¤t_directory_string_segment, |
2301 | 0 | ¤t_directory_string_segment_size, |
2302 | 0 | error ) != 1 ) |
2303 | 0 | { |
2304 | 0 | libcerror_error_set( |
2305 | 0 | error, |
2306 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2307 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
2308 | 0 | "%s: unable to retrieve current working directory string segment: %d.", |
2309 | 0 | function, |
2310 | 0 | current_directory_segment_index ); |
2311 | |
|
2312 | 0 | goto on_error; |
2313 | 0 | } |
2314 | 0 | if( current_directory_string_segment == NULL ) |
2315 | 0 | { |
2316 | 0 | libcerror_error_set( |
2317 | 0 | error, |
2318 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2319 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
2320 | 0 | "%s: missing current working directory string segment: %d.", |
2321 | 0 | function, |
2322 | 0 | current_directory_segment_index ); |
2323 | |
|
2324 | 0 | goto on_error; |
2325 | 0 | } |
2326 | | /* Remove the size of the parent directory name and a directory separator |
2327 | | * Note that the size includes the end of string character |
2328 | | */ |
2329 | 0 | if( current_directory_string_segment_size < safe_full_path_size ) |
2330 | 0 | { |
2331 | 0 | safe_full_path_size -= current_directory_string_segment_size; |
2332 | 0 | } |
2333 | 0 | else |
2334 | 0 | { |
2335 | 0 | safe_full_path_size = 0; |
2336 | 0 | } |
2337 | 0 | if( libcsplit_narrow_split_string_set_segment_by_index( |
2338 | 0 | current_directory_split_string, |
2339 | 0 | current_directory_segment_index, |
2340 | 0 | NULL, |
2341 | 0 | 0, |
2342 | 0 | error ) != 1 ) |
2343 | 0 | { |
2344 | 0 | libcerror_error_set( |
2345 | 0 | error, |
2346 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2347 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2348 | 0 | "%s: unable to set current working directory string segment: %d.", |
2349 | 0 | function, |
2350 | 0 | current_directory_segment_index ); |
2351 | |
|
2352 | 0 | goto on_error; |
2353 | 0 | } |
2354 | 0 | current_directory_segment_index--; |
2355 | 0 | } |
2356 | 0 | else if( last_used_path_segment_index >= 0 ) |
2357 | 0 | { |
2358 | 0 | if( libcsplit_narrow_split_string_get_segment_by_index( |
2359 | 0 | path_split_string, |
2360 | 0 | last_used_path_segment_index, |
2361 | 0 | &last_used_path_string_segment, |
2362 | 0 | &last_used_path_string_segment_size, |
2363 | 0 | error ) != 1 ) |
2364 | 0 | { |
2365 | 0 | libcerror_error_set( |
2366 | 0 | error, |
2367 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2368 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
2369 | 0 | "%s: unable to retrieve last used path string segment: %d.", |
2370 | 0 | function, |
2371 | 0 | last_used_path_segment_index ); |
2372 | |
|
2373 | 0 | goto on_error; |
2374 | 0 | } |
2375 | 0 | if( last_used_path_string_segment == NULL ) |
2376 | 0 | { |
2377 | 0 | libcerror_error_set( |
2378 | 0 | error, |
2379 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2380 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
2381 | 0 | "%s: missing last used path string string segment: %d.", |
2382 | 0 | function, |
2383 | 0 | last_used_path_segment_index ); |
2384 | |
|
2385 | 0 | goto on_error; |
2386 | 0 | } |
2387 | | /* Remove the size of the parent directory name and a directory separator |
2388 | | * Note that the size includes the end of string character |
2389 | | */ |
2390 | 0 | if( last_used_path_string_segment_size < safe_full_path_size ) |
2391 | 0 | { |
2392 | 0 | safe_full_path_size -= last_used_path_string_segment_size; |
2393 | 0 | } |
2394 | 0 | else |
2395 | 0 | { |
2396 | 0 | safe_full_path_size = 0; |
2397 | 0 | } |
2398 | 0 | if( libcsplit_narrow_split_string_set_segment_by_index( |
2399 | 0 | path_split_string, |
2400 | 0 | last_used_path_segment_index, |
2401 | 0 | NULL, |
2402 | 0 | 0, |
2403 | 0 | error ) != 1 ) |
2404 | 0 | { |
2405 | 0 | libcerror_error_set( |
2406 | 0 | error, |
2407 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2408 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2409 | 0 | "%s: unable to set path string segment: %d.", |
2410 | 0 | function, |
2411 | 0 | last_used_path_segment_index ); |
2412 | |
|
2413 | 0 | goto on_error; |
2414 | 0 | } |
2415 | | /* Find the previous path split value that contains a name |
2416 | | */ |
2417 | 0 | while( last_used_path_segment_index > 0 ) |
2418 | 0 | { |
2419 | 0 | last_used_path_segment_index--; |
2420 | |
|
2421 | 0 | if( libcsplit_narrow_split_string_get_segment_by_index( |
2422 | 0 | path_split_string, |
2423 | 0 | last_used_path_segment_index, |
2424 | 0 | &last_used_path_string_segment, |
2425 | 0 | &last_used_path_string_segment_size, |
2426 | 0 | error ) != 1 ) |
2427 | 0 | { |
2428 | 0 | libcerror_error_set( |
2429 | 0 | error, |
2430 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2431 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
2432 | 0 | "%s: unable to retrieve last used path string segment: %d.", |
2433 | 0 | function, |
2434 | 0 | last_used_path_segment_index ); |
2435 | |
|
2436 | 0 | goto on_error; |
2437 | 0 | } |
2438 | 0 | if( last_used_path_string_segment_size != 0 ) |
2439 | 0 | { |
2440 | 0 | break; |
2441 | 0 | } |
2442 | 0 | } |
2443 | 0 | } |
2444 | 0 | if( libcsplit_narrow_split_string_set_segment_by_index( |
2445 | 0 | path_split_string, |
2446 | 0 | path_segment_index, |
2447 | 0 | NULL, |
2448 | 0 | 0, |
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_SET_FAILED, |
2455 | 0 | "%s: unable to set path string segment: %d.", |
2456 | 0 | function, |
2457 | 0 | path_segment_index ); |
2458 | |
|
2459 | 0 | goto on_error; |
2460 | 0 | } |
2461 | 0 | } |
2462 | 0 | else |
2463 | 0 | { |
2464 | | /* Add the size of the directory or file name and a directory separator |
2465 | | * Note that the size includes the end of string character |
2466 | | */ |
2467 | 0 | safe_full_path_size += path_string_segment_size; |
2468 | |
|
2469 | 0 | last_used_path_segment_index = path_segment_index; |
2470 | 0 | } |
2471 | 0 | } |
2472 | 0 | if( safe_full_path_size > 0 ) |
2473 | 0 | { |
2474 | | /* Remove the size reserved of the last directory separator |
2475 | | */ |
2476 | 0 | safe_full_path_size -= 1; |
2477 | 0 | } |
2478 | 0 | } |
2479 | 0 | safe_full_path_size += full_path_prefix_length + 1; |
2480 | |
|
2481 | 0 | full_path_index = 0; |
2482 | |
|
2483 | 0 | safe_full_path = narrow_string_allocate( |
2484 | 0 | safe_full_path_size ); |
2485 | |
|
2486 | 0 | if( safe_full_path == NULL ) |
2487 | 0 | { |
2488 | 0 | libcerror_error_set( |
2489 | 0 | error, |
2490 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
2491 | 0 | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
2492 | 0 | "%s: unable to create full path.", |
2493 | 0 | function ); |
2494 | |
|
2495 | 0 | goto on_error; |
2496 | 0 | } |
2497 | 0 | if( memory_set( |
2498 | 0 | safe_full_path, |
2499 | 0 | 0, |
2500 | 0 | sizeof( char ) * safe_full_path_size ) == NULL ) |
2501 | 0 | { |
2502 | 0 | libcerror_error_set( |
2503 | 0 | error, |
2504 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
2505 | 0 | LIBCERROR_MEMORY_ERROR_SET_FAILED, |
2506 | 0 | "%s: unable to clear full path.", |
2507 | 0 | function ); |
2508 | |
|
2509 | 0 | goto on_error; |
2510 | 0 | } |
2511 | 0 | if( path_type == LIBCPATH_TYPE_ABSOLUTE ) |
2512 | 0 | { |
2513 | 0 | safe_full_path[ full_path_index ] = '/'; |
2514 | |
|
2515 | 0 | full_path_index += 1; |
2516 | 0 | } |
2517 | | /* If the path is relative |
2518 | | * add the current working directory elements |
2519 | | */ |
2520 | 0 | if( current_directory_split_string != NULL ) |
2521 | 0 | { |
2522 | 0 | for( current_directory_segment_index = 0; |
2523 | 0 | current_directory_segment_index < current_directory_number_of_segments; |
2524 | 0 | current_directory_segment_index++ ) |
2525 | 0 | { |
2526 | 0 | if( libcsplit_narrow_split_string_get_segment_by_index( |
2527 | 0 | current_directory_split_string, |
2528 | 0 | current_directory_segment_index, |
2529 | 0 | ¤t_directory_string_segment, |
2530 | 0 | ¤t_directory_string_segment_size, |
2531 | 0 | error ) != 1 ) |
2532 | 0 | { |
2533 | 0 | libcerror_error_set( |
2534 | 0 | error, |
2535 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2536 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
2537 | 0 | "%s: unable to retrieve current working directory string segment: %d.", |
2538 | 0 | function, |
2539 | 0 | current_directory_segment_index ); |
2540 | |
|
2541 | 0 | goto on_error; |
2542 | 0 | } |
2543 | 0 | if( current_directory_string_segment_size != 0 ) |
2544 | 0 | { |
2545 | 0 | if( current_directory_string_segment == NULL ) |
2546 | 0 | { |
2547 | 0 | libcerror_error_set( |
2548 | 0 | error, |
2549 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2550 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
2551 | 0 | "%s: missing current working directory string segment: %d.", |
2552 | 0 | function, |
2553 | 0 | current_directory_segment_index ); |
2554 | |
|
2555 | 0 | goto on_error; |
2556 | 0 | } |
2557 | | /* Note that here we should have room for the segment string and |
2558 | | * one additional character |
2559 | | */ |
2560 | 0 | if( current_directory_string_segment_size > ( safe_full_path_size - full_path_index ) ) |
2561 | 0 | { |
2562 | 0 | libcerror_error_set( |
2563 | 0 | error, |
2564 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2565 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
2566 | 0 | "%s: invalid current working directory string segment: %d size value out of bounds.", |
2567 | 0 | function, |
2568 | 0 | current_directory_segment_index ); |
2569 | |
|
2570 | 0 | goto on_error; |
2571 | 0 | } |
2572 | 0 | path_string_segment_length = current_directory_string_segment_size - 1; |
2573 | |
|
2574 | 0 | if( narrow_string_copy( |
2575 | 0 | &( safe_full_path[ full_path_index ] ), |
2576 | 0 | current_directory_string_segment, |
2577 | 0 | path_string_segment_length ) == NULL ) |
2578 | 0 | { |
2579 | 0 | libcerror_error_set( |
2580 | 0 | error, |
2581 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2582 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2583 | 0 | "%s: unable to set current working directory split value: %d in full path.", |
2584 | 0 | function, |
2585 | 0 | current_directory_segment_index ); |
2586 | |
|
2587 | 0 | goto on_error; |
2588 | 0 | } |
2589 | 0 | full_path_index += path_string_segment_length; |
2590 | |
|
2591 | 0 | safe_full_path[ full_path_index ] = '/'; |
2592 | |
|
2593 | 0 | full_path_index += 1; |
2594 | 0 | } |
2595 | 0 | } |
2596 | 0 | } |
2597 | 0 | if( path_split_string != NULL ) |
2598 | 0 | { |
2599 | 0 | for( path_segment_index = 0; |
2600 | 0 | path_segment_index < path_number_of_segments; |
2601 | 0 | path_segment_index++ ) |
2602 | 0 | { |
2603 | 0 | if( libcsplit_narrow_split_string_get_segment_by_index( |
2604 | 0 | path_split_string, |
2605 | 0 | path_segment_index, |
2606 | 0 | &path_string_segment, |
2607 | 0 | &path_string_segment_size, |
2608 | 0 | error ) != 1 ) |
2609 | 0 | { |
2610 | 0 | libcerror_error_set( |
2611 | 0 | error, |
2612 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2613 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
2614 | 0 | "%s: unable to retrieve path string segment: %d.", |
2615 | 0 | function, |
2616 | 0 | path_segment_index ); |
2617 | |
|
2618 | 0 | goto on_error; |
2619 | 0 | } |
2620 | 0 | if( path_string_segment_size != 0 ) |
2621 | 0 | { |
2622 | 0 | if( path_string_segment == NULL ) |
2623 | 0 | { |
2624 | 0 | libcerror_error_set( |
2625 | 0 | error, |
2626 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2627 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
2628 | 0 | "%s: missing path string segment: %d.", |
2629 | 0 | function, |
2630 | 0 | path_segment_index ); |
2631 | |
|
2632 | 0 | goto on_error; |
2633 | 0 | } |
2634 | | /* Note that here we should have room for the segment string and |
2635 | | * one additional character |
2636 | | */ |
2637 | 0 | if( path_string_segment_size > ( safe_full_path_size - full_path_index ) ) |
2638 | 0 | { |
2639 | 0 | libcerror_error_set( |
2640 | 0 | error, |
2641 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2642 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
2643 | 0 | "%s: invalid current path string segment: %d size value out of bounds.", |
2644 | 0 | function, |
2645 | 0 | path_segment_index ); |
2646 | |
|
2647 | 0 | goto on_error; |
2648 | 0 | } |
2649 | 0 | path_string_segment_length = path_string_segment_size - 1; |
2650 | |
|
2651 | 0 | if( narrow_string_copy( |
2652 | 0 | &( safe_full_path[ full_path_index ] ), |
2653 | 0 | path_string_segment, |
2654 | 0 | path_string_segment_length ) == NULL ) |
2655 | 0 | { |
2656 | 0 | libcerror_error_set( |
2657 | 0 | error, |
2658 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2659 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
2660 | 0 | "%s: unable to set path split value: %d in full path.", |
2661 | 0 | function, |
2662 | 0 | path_segment_index ); |
2663 | |
|
2664 | 0 | goto on_error; |
2665 | 0 | } |
2666 | 0 | full_path_index += path_string_segment_length; |
2667 | |
|
2668 | 0 | safe_full_path[ full_path_index ] = '/'; |
2669 | |
|
2670 | 0 | full_path_index += 1; |
2671 | 0 | } |
2672 | 0 | } |
2673 | 0 | } |
2674 | 0 | safe_full_path[ full_path_index - 1 ] = 0; |
2675 | |
|
2676 | 0 | if( path_split_string != NULL ) |
2677 | 0 | { |
2678 | 0 | if( libcsplit_narrow_split_string_free( |
2679 | 0 | &path_split_string, |
2680 | 0 | error ) != 1 ) |
2681 | 0 | { |
2682 | 0 | libcerror_error_set( |
2683 | 0 | error, |
2684 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2685 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
2686 | 0 | "%s: unable to free path split string.", |
2687 | 0 | function ); |
2688 | |
|
2689 | 0 | goto on_error; |
2690 | 0 | } |
2691 | 0 | } |
2692 | 0 | if( current_directory_split_string != NULL ) |
2693 | 0 | { |
2694 | 0 | if( libcsplit_narrow_split_string_free( |
2695 | 0 | ¤t_directory_split_string, |
2696 | 0 | error ) != 1 ) |
2697 | 0 | { |
2698 | 0 | libcerror_error_set( |
2699 | 0 | error, |
2700 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2701 | 0 | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
2702 | 0 | "%s: unable to free current working directory split string.", |
2703 | 0 | function ); |
2704 | |
|
2705 | 0 | goto on_error; |
2706 | 0 | } |
2707 | 0 | } |
2708 | 0 | if( current_directory != NULL ) |
2709 | 0 | { |
2710 | 0 | memory_free( |
2711 | 0 | current_directory ); |
2712 | 0 | } |
2713 | 0 | *full_path = safe_full_path; |
2714 | 0 | *full_path_size = safe_full_path_size; |
2715 | |
|
2716 | 0 | return( 1 ); |
2717 | | |
2718 | 0 | on_error: |
2719 | 0 | if( safe_full_path != NULL ) |
2720 | 0 | { |
2721 | 0 | memory_free( |
2722 | 0 | safe_full_path ); |
2723 | 0 | } |
2724 | 0 | if( path_split_string != NULL ) |
2725 | 0 | { |
2726 | 0 | libcsplit_narrow_split_string_free( |
2727 | 0 | &path_split_string, |
2728 | 0 | NULL ); |
2729 | 0 | } |
2730 | 0 | if( current_directory_split_string != NULL ) |
2731 | 0 | { |
2732 | 0 | libcsplit_narrow_split_string_free( |
2733 | 0 | ¤t_directory_split_string, |
2734 | 0 | NULL ); |
2735 | 0 | } |
2736 | 0 | if( current_directory != NULL ) |
2737 | 0 | { |
2738 | 0 | memory_free( |
2739 | 0 | current_directory ); |
2740 | 0 | } |
2741 | 0 | return( -1 ); |
2742 | 0 | } |
2743 | | |
2744 | | #endif /* defined( WINAPI ) */ |
2745 | | |
2746 | | /* Retrieves the size of a sanitized version of the path character |
2747 | | * Returns 1 if successful or -1 on error |
2748 | | */ |
2749 | | int libcpath_path_get_sanitized_character_size( |
2750 | | char character, |
2751 | | size_t *sanitized_character_size, |
2752 | | libcerror_error_t **error ) |
2753 | 0 | { |
2754 | 0 | static char *function = "libcpath_path_get_sanitized_character_size"; |
2755 | |
|
2756 | 0 | if( sanitized_character_size == NULL ) |
2757 | 0 | { |
2758 | 0 | libcerror_error_set( |
2759 | 0 | error, |
2760 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2761 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2762 | 0 | "%s: invalid sanitized character size.", |
2763 | 0 | function ); |
2764 | |
|
2765 | 0 | return( -1 ); |
2766 | 0 | } |
2767 | 0 | if( ( character >= 0x00 ) |
2768 | 0 | && ( character <= 0x1f ) ) |
2769 | 0 | { |
2770 | 0 | *sanitized_character_size = 4; |
2771 | 0 | } |
2772 | 0 | else if( character == LIBCPATH_ESCAPE_CHARACTER ) |
2773 | 0 | { |
2774 | 0 | *sanitized_character_size = 2; |
2775 | 0 | } |
2776 | | #if defined( WINAPI ) |
2777 | | else if( character == '/' ) |
2778 | | { |
2779 | | *sanitized_character_size = 4; |
2780 | | } |
2781 | | #endif |
2782 | 0 | else if( ( character == '!' ) |
2783 | 0 | || ( character == '$' ) |
2784 | 0 | || ( character == '%' ) |
2785 | 0 | || ( character == '&' ) |
2786 | 0 | || ( character == '*' ) |
2787 | 0 | || ( character == '+' ) |
2788 | 0 | || ( character == ':' ) |
2789 | 0 | || ( character == ';' ) |
2790 | 0 | || ( character == '<' ) |
2791 | 0 | || ( character == '>' ) |
2792 | 0 | || ( character == '?' ) |
2793 | 0 | || ( character == '|' ) |
2794 | 0 | || ( character == 0x7f ) ) |
2795 | 0 | { |
2796 | 0 | *sanitized_character_size = 4; |
2797 | 0 | } |
2798 | 0 | else |
2799 | 0 | { |
2800 | 0 | *sanitized_character_size = 1; |
2801 | 0 | } |
2802 | 0 | return( 1 ); |
2803 | 0 | } |
2804 | | |
2805 | | /* Retrieves a sanitized version of the path character |
2806 | | * Returns 1 if successful or -1 on error |
2807 | | */ |
2808 | | int libcpath_path_get_sanitized_character( |
2809 | | char character, |
2810 | | size_t sanitized_character_size, |
2811 | | char *sanitized_path, |
2812 | | size_t sanitized_path_size, |
2813 | | size_t *sanitized_path_index, |
2814 | | libcerror_error_t **error ) |
2815 | 0 | { |
2816 | 0 | static char *function = "libcpath_path_get_sanitized_character"; |
2817 | 0 | size_t safe_sanitized_path_index = 0; |
2818 | 0 | char lower_nibble = 0; |
2819 | 0 | char upper_nibble = 0; |
2820 | |
|
2821 | 0 | if( ( sanitized_character_size != 1 ) |
2822 | 0 | && ( sanitized_character_size != 2 ) |
2823 | 0 | && ( sanitized_character_size != 4 ) ) |
2824 | 0 | { |
2825 | 0 | libcerror_error_set( |
2826 | 0 | error, |
2827 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2828 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS, |
2829 | 0 | "%s: invalid sanitized character size value out of bounds.", |
2830 | 0 | function ); |
2831 | |
|
2832 | 0 | return( -1 ); |
2833 | 0 | } |
2834 | 0 | if( sanitized_path == NULL ) |
2835 | 0 | { |
2836 | 0 | libcerror_error_set( |
2837 | 0 | error, |
2838 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2839 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2840 | 0 | "%s: invalid sanitized path.", |
2841 | 0 | function ); |
2842 | |
|
2843 | 0 | return( -1 ); |
2844 | 0 | } |
2845 | 0 | if( sanitized_path_size > (size_t) SSIZE_MAX ) |
2846 | 0 | { |
2847 | 0 | libcerror_error_set( |
2848 | 0 | error, |
2849 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2850 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
2851 | 0 | "%s: invalid sanitized path size value exceeds maximum.", |
2852 | 0 | function ); |
2853 | |
|
2854 | 0 | return( -1 ); |
2855 | 0 | } |
2856 | 0 | if( sanitized_path_index == NULL ) |
2857 | 0 | { |
2858 | 0 | libcerror_error_set( |
2859 | 0 | error, |
2860 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2861 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2862 | 0 | "%s: invalid sanitized path index.", |
2863 | 0 | function ); |
2864 | |
|
2865 | 0 | return( -1 ); |
2866 | 0 | } |
2867 | 0 | safe_sanitized_path_index = *sanitized_path_index; |
2868 | |
|
2869 | 0 | if( safe_sanitized_path_index > sanitized_path_size ) |
2870 | 0 | { |
2871 | 0 | libcerror_error_set( |
2872 | 0 | error, |
2873 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2874 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS, |
2875 | 0 | "%s: invalid sanitized path index value out of bounds.", |
2876 | 0 | function ); |
2877 | |
|
2878 | 0 | return( -1 ); |
2879 | 0 | } |
2880 | 0 | if( ( sanitized_character_size > sanitized_path_size ) |
2881 | 0 | || ( safe_sanitized_path_index > ( sanitized_path_size - sanitized_character_size ) ) ) |
2882 | 0 | { |
2883 | 0 | libcerror_error_set( |
2884 | 0 | error, |
2885 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2886 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL, |
2887 | 0 | "%s: invalid sanitized path size value too small.", |
2888 | 0 | function ); |
2889 | |
|
2890 | 0 | return( -1 ); |
2891 | 0 | } |
2892 | 0 | if( sanitized_character_size == 1 ) |
2893 | 0 | { |
2894 | 0 | sanitized_path[ safe_sanitized_path_index++ ] = character; |
2895 | 0 | } |
2896 | 0 | else if( sanitized_character_size == 2 ) |
2897 | 0 | { |
2898 | 0 | sanitized_path[ safe_sanitized_path_index++ ] = LIBCPATH_ESCAPE_CHARACTER; |
2899 | 0 | sanitized_path[ safe_sanitized_path_index++ ] = LIBCPATH_ESCAPE_CHARACTER; |
2900 | 0 | } |
2901 | 0 | else if( sanitized_character_size == 4 ) |
2902 | 0 | { |
2903 | 0 | lower_nibble = character & 0x0f; |
2904 | 0 | upper_nibble = ( character >> 4 ) & 0x0f; |
2905 | |
|
2906 | 0 | if( lower_nibble > 10 ) |
2907 | 0 | { |
2908 | 0 | lower_nibble += 'a' - 10; |
2909 | 0 | } |
2910 | 0 | else |
2911 | 0 | { |
2912 | 0 | lower_nibble += '0'; |
2913 | 0 | } |
2914 | 0 | if( upper_nibble > 10 ) |
2915 | 0 | { |
2916 | 0 | upper_nibble += 'a' - 10; |
2917 | 0 | } |
2918 | 0 | else |
2919 | 0 | { |
2920 | 0 | upper_nibble += '0'; |
2921 | 0 | } |
2922 | 0 | sanitized_path[ safe_sanitized_path_index++ ] = LIBCPATH_ESCAPE_CHARACTER; |
2923 | 0 | sanitized_path[ safe_sanitized_path_index++ ] = 'x'; |
2924 | 0 | sanitized_path[ safe_sanitized_path_index++ ] = upper_nibble; |
2925 | 0 | sanitized_path[ safe_sanitized_path_index++ ] = lower_nibble; |
2926 | 0 | } |
2927 | 0 | *sanitized_path_index = safe_sanitized_path_index; |
2928 | |
|
2929 | 0 | return( 1 ); |
2930 | 0 | } |
2931 | | |
2932 | | /* Retrieves a sanitized version of the filename |
2933 | | * Returns 1 if successful or -1 on error |
2934 | | */ |
2935 | | int libcpath_path_get_sanitized_filename( |
2936 | | const char *filename, |
2937 | | size_t filename_length, |
2938 | | char **sanitized_filename, |
2939 | | size_t *sanitized_filename_size, |
2940 | | libcerror_error_t **error ) |
2941 | 0 | { |
2942 | 0 | static char *function = "libcpath_path_get_sanitized_filename"; |
2943 | 0 | char *safe_sanitized_filename = NULL; |
2944 | 0 | size_t filename_index = 0; |
2945 | 0 | size_t sanitized_character_size = 0; |
2946 | 0 | size_t safe_sanitized_filename_size = 0; |
2947 | 0 | size_t sanitized_filename_index = 0; |
2948 | |
|
2949 | 0 | if( filename == NULL ) |
2950 | 0 | { |
2951 | 0 | libcerror_error_set( |
2952 | 0 | error, |
2953 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2954 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2955 | 0 | "%s: invalid filename.", |
2956 | 0 | function ); |
2957 | |
|
2958 | 0 | return( -1 ); |
2959 | 0 | } |
2960 | 0 | if( ( filename_length == 0 ) |
2961 | 0 | || ( filename_length > (size_t) ( SSIZE_MAX - 1 ) ) ) |
2962 | 0 | { |
2963 | 0 | libcerror_error_set( |
2964 | 0 | error, |
2965 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2966 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS, |
2967 | 0 | "%s: invalid filename length value out of bounds.", |
2968 | 0 | function ); |
2969 | |
|
2970 | 0 | return( -1 ); |
2971 | 0 | } |
2972 | 0 | if( sanitized_filename == NULL ) |
2973 | 0 | { |
2974 | 0 | libcerror_error_set( |
2975 | 0 | error, |
2976 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2977 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2978 | 0 | "%s: invalid sanitized filename.", |
2979 | 0 | function ); |
2980 | |
|
2981 | 0 | return( -1 ); |
2982 | 0 | } |
2983 | 0 | if( *sanitized_filename != NULL ) |
2984 | 0 | { |
2985 | 0 | libcerror_error_set( |
2986 | 0 | error, |
2987 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2988 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
2989 | 0 | "%s: invalid sanitized filename value already set.", |
2990 | 0 | function ); |
2991 | |
|
2992 | 0 | return( -1 ); |
2993 | 0 | } |
2994 | 0 | if( sanitized_filename_size == NULL ) |
2995 | 0 | { |
2996 | 0 | libcerror_error_set( |
2997 | 0 | error, |
2998 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2999 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3000 | 0 | "%s: invalid sanitized filename size.", |
3001 | 0 | function ); |
3002 | |
|
3003 | 0 | return( -1 ); |
3004 | 0 | } |
3005 | 0 | safe_sanitized_filename_size = 1; |
3006 | |
|
3007 | 0 | for( filename_index = 0; |
3008 | 0 | filename_index < filename_length; |
3009 | 0 | filename_index++ ) |
3010 | 0 | { |
3011 | 0 | if( filename[ filename_index ] == LIBCPATH_SEPARATOR ) |
3012 | 0 | { |
3013 | 0 | sanitized_character_size = 4; |
3014 | 0 | } |
3015 | 0 | else if( libcpath_path_get_sanitized_character_size( |
3016 | 0 | filename[ filename_index ], |
3017 | 0 | &sanitized_character_size, |
3018 | 0 | error ) != 1 ) |
3019 | 0 | { |
3020 | 0 | libcerror_error_set( |
3021 | 0 | error, |
3022 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3023 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
3024 | 0 | "%s: unable to determine sanitize character size.", |
3025 | 0 | function ); |
3026 | |
|
3027 | 0 | goto on_error; |
3028 | 0 | } |
3029 | 0 | safe_sanitized_filename_size += sanitized_character_size; |
3030 | 0 | } |
3031 | 0 | if( safe_sanitized_filename_size > (size_t) SSIZE_MAX ) |
3032 | 0 | { |
3033 | 0 | libcerror_error_set( |
3034 | 0 | error, |
3035 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3036 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
3037 | 0 | "%s: invalid sanitized filename size value exceeds maximum.", |
3038 | 0 | function ); |
3039 | |
|
3040 | 0 | goto on_error; |
3041 | 0 | } |
3042 | 0 | safe_sanitized_filename = narrow_string_allocate( |
3043 | 0 | safe_sanitized_filename_size ); |
3044 | |
|
3045 | 0 | if( safe_sanitized_filename == NULL ) |
3046 | 0 | { |
3047 | 0 | libcerror_error_set( |
3048 | 0 | error, |
3049 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
3050 | 0 | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
3051 | 0 | "%s: unable to create sanitized filename.", |
3052 | 0 | function ); |
3053 | |
|
3054 | 0 | goto on_error; |
3055 | 0 | } |
3056 | 0 | for( filename_index = 0; |
3057 | 0 | filename_index < filename_length; |
3058 | 0 | filename_index++ ) |
3059 | 0 | { |
3060 | 0 | if( filename[ filename_index ] == LIBCPATH_SEPARATOR ) |
3061 | 0 | { |
3062 | 0 | sanitized_character_size = 4; |
3063 | 0 | } |
3064 | 0 | else if( libcpath_path_get_sanitized_character_size( |
3065 | 0 | filename[ filename_index ], |
3066 | 0 | &sanitized_character_size, |
3067 | 0 | error ) != 1 ) |
3068 | 0 | { |
3069 | 0 | libcerror_error_set( |
3070 | 0 | error, |
3071 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3072 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
3073 | 0 | "%s: unable to determine sanitize character size.", |
3074 | 0 | function ); |
3075 | |
|
3076 | 0 | goto on_error; |
3077 | 0 | } |
3078 | 0 | if( libcpath_path_get_sanitized_character( |
3079 | 0 | filename[ filename_index ], |
3080 | 0 | sanitized_character_size, |
3081 | 0 | safe_sanitized_filename, |
3082 | 0 | safe_sanitized_filename_size, |
3083 | 0 | &sanitized_filename_index, |
3084 | 0 | error ) != 1 ) |
3085 | 0 | { |
3086 | 0 | libcerror_error_set( |
3087 | 0 | error, |
3088 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3089 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
3090 | 0 | "%s: unable to determine sanitize character size.", |
3091 | 0 | function ); |
3092 | |
|
3093 | 0 | goto on_error; |
3094 | 0 | } |
3095 | 0 | } |
3096 | 0 | safe_sanitized_filename[ sanitized_filename_index ] = 0; |
3097 | |
|
3098 | 0 | *sanitized_filename = safe_sanitized_filename; |
3099 | 0 | *sanitized_filename_size = safe_sanitized_filename_size; |
3100 | |
|
3101 | 0 | return( 1 ); |
3102 | | |
3103 | 0 | on_error: |
3104 | 0 | if( safe_sanitized_filename != NULL ) |
3105 | 0 | { |
3106 | 0 | memory_free( |
3107 | 0 | safe_sanitized_filename ); |
3108 | 0 | } |
3109 | 0 | return( -1 ); |
3110 | 0 | } |
3111 | | |
3112 | | /* Retrieves a sanitized version of the path |
3113 | | * Returns 1 if successful or -1 on error |
3114 | | */ |
3115 | | int libcpath_path_get_sanitized_path( |
3116 | | const char *path, |
3117 | | size_t path_length, |
3118 | | char **sanitized_path, |
3119 | | size_t *sanitized_path_size, |
3120 | | libcerror_error_t **error ) |
3121 | 0 | { |
3122 | 0 | static char *function = "libcpath_path_get_sanitized_path"; |
3123 | 0 | char *safe_sanitized_path = NULL; |
3124 | 0 | size_t path_index = 0; |
3125 | 0 | size_t safe_sanitized_path_size = 0; |
3126 | 0 | size_t sanitized_character_size = 0; |
3127 | 0 | size_t sanitized_path_index = 0; |
3128 | |
|
3129 | | #if defined( WINAPI ) |
3130 | | size_t last_path_segment_seperator_index = 0; |
3131 | | #endif |
3132 | |
|
3133 | 0 | if( path == NULL ) |
3134 | 0 | { |
3135 | 0 | libcerror_error_set( |
3136 | 0 | error, |
3137 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3138 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3139 | 0 | "%s: invalid path.", |
3140 | 0 | function ); |
3141 | |
|
3142 | 0 | return( -1 ); |
3143 | 0 | } |
3144 | 0 | if( ( path_length == 0 ) |
3145 | 0 | || ( path_length > (size_t) ( SSIZE_MAX - 1 ) ) ) |
3146 | 0 | { |
3147 | 0 | libcerror_error_set( |
3148 | 0 | error, |
3149 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3150 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS, |
3151 | 0 | "%s: invalid path length value out of bounds.", |
3152 | 0 | function ); |
3153 | |
|
3154 | 0 | return( -1 ); |
3155 | 0 | } |
3156 | 0 | if( sanitized_path == NULL ) |
3157 | 0 | { |
3158 | 0 | libcerror_error_set( |
3159 | 0 | error, |
3160 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3161 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3162 | 0 | "%s: invalid sanitized path.", |
3163 | 0 | function ); |
3164 | |
|
3165 | 0 | return( -1 ); |
3166 | 0 | } |
3167 | 0 | if( *sanitized_path != NULL ) |
3168 | 0 | { |
3169 | 0 | libcerror_error_set( |
3170 | 0 | error, |
3171 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3172 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
3173 | 0 | "%s: invalid sanitized path value already set.", |
3174 | 0 | function ); |
3175 | |
|
3176 | 0 | return( -1 ); |
3177 | 0 | } |
3178 | 0 | if( sanitized_path_size == NULL ) |
3179 | 0 | { |
3180 | 0 | libcerror_error_set( |
3181 | 0 | error, |
3182 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3183 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3184 | 0 | "%s: invalid sanitized path size.", |
3185 | 0 | function ); |
3186 | |
|
3187 | 0 | return( -1 ); |
3188 | 0 | } |
3189 | 0 | safe_sanitized_path_size = 1; |
3190 | |
|
3191 | 0 | for( path_index = 0; |
3192 | 0 | path_index < path_length; |
3193 | 0 | path_index++ ) |
3194 | 0 | { |
3195 | 0 | if( libcpath_path_get_sanitized_character_size( |
3196 | 0 | path[ path_index ], |
3197 | 0 | &sanitized_character_size, |
3198 | 0 | error ) != 1 ) |
3199 | 0 | { |
3200 | 0 | libcerror_error_set( |
3201 | 0 | error, |
3202 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3203 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
3204 | 0 | "%s: unable to determine sanitize character size.", |
3205 | 0 | function ); |
3206 | |
|
3207 | 0 | goto on_error; |
3208 | 0 | } |
3209 | 0 | safe_sanitized_path_size += sanitized_character_size; |
3210 | |
|
3211 | | #if defined( WINAPI ) |
3212 | | if( path[ path_index ] == LIBCPATH_SEPARATOR ) |
3213 | | { |
3214 | | last_path_segment_seperator_index = path_index; |
3215 | | } |
3216 | | #endif |
3217 | 0 | } |
3218 | 0 | if( safe_sanitized_path_size > (size_t) SSIZE_MAX ) |
3219 | 0 | { |
3220 | 0 | libcerror_error_set( |
3221 | 0 | error, |
3222 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3223 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
3224 | 0 | "%s: invalid sanitized path size value exceeds maximum.", |
3225 | 0 | function ); |
3226 | |
|
3227 | 0 | goto on_error; |
3228 | 0 | } |
3229 | | #if defined( WINAPI ) |
3230 | | if( last_path_segment_seperator_index > 32767 ) |
3231 | | { |
3232 | | libcerror_error_set( |
3233 | | error, |
3234 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3235 | | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
3236 | | "%s: invalid last path segment separator value out of bounds.", |
3237 | | function ); |
3238 | | |
3239 | | goto on_error; |
3240 | | } |
3241 | | if( safe_sanitized_path_size > 32767 ) |
3242 | | { |
3243 | | safe_sanitized_path_size = 32767; |
3244 | | } |
3245 | | #endif |
3246 | 0 | safe_sanitized_path = narrow_string_allocate( |
3247 | 0 | safe_sanitized_path_size ); |
3248 | |
|
3249 | 0 | if( safe_sanitized_path == NULL ) |
3250 | 0 | { |
3251 | 0 | libcerror_error_set( |
3252 | 0 | error, |
3253 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
3254 | 0 | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
3255 | 0 | "%s: unable to create sanitized path.", |
3256 | 0 | function ); |
3257 | |
|
3258 | 0 | goto on_error; |
3259 | 0 | } |
3260 | 0 | for( path_index = 0; |
3261 | 0 | path_index < path_length; |
3262 | 0 | path_index++ ) |
3263 | 0 | { |
3264 | 0 | if( libcpath_path_get_sanitized_character_size( |
3265 | 0 | path[ path_index ], |
3266 | 0 | &sanitized_character_size, |
3267 | 0 | error ) != 1 ) |
3268 | 0 | { |
3269 | 0 | libcerror_error_set( |
3270 | 0 | error, |
3271 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3272 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
3273 | 0 | "%s: unable to determine sanitize character size.", |
3274 | 0 | function ); |
3275 | |
|
3276 | 0 | goto on_error; |
3277 | 0 | } |
3278 | 0 | if( libcpath_path_get_sanitized_character( |
3279 | 0 | path[ path_index ], |
3280 | 0 | sanitized_character_size, |
3281 | 0 | safe_sanitized_path, |
3282 | 0 | safe_sanitized_path_size, |
3283 | 0 | &sanitized_path_index, |
3284 | 0 | error ) != 1 ) |
3285 | 0 | { |
3286 | 0 | libcerror_error_set( |
3287 | 0 | error, |
3288 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3289 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
3290 | 0 | "%s: unable to determine sanitize character size.", |
3291 | 0 | function ); |
3292 | |
|
3293 | 0 | goto on_error; |
3294 | 0 | } |
3295 | 0 | } |
3296 | 0 | if( sanitized_path_index >= safe_sanitized_path_size ) |
3297 | 0 | { |
3298 | 0 | libcerror_error_set( |
3299 | 0 | error, |
3300 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3301 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
3302 | 0 | "%s: invalid sanitized path index value out of bounds.", |
3303 | 0 | function ); |
3304 | |
|
3305 | 0 | goto on_error; |
3306 | 0 | } |
3307 | 0 | safe_sanitized_path[ sanitized_path_index ] = 0; |
3308 | |
|
3309 | 0 | *sanitized_path = safe_sanitized_path; |
3310 | 0 | *sanitized_path_size = safe_sanitized_path_size; |
3311 | |
|
3312 | 0 | return( 1 ); |
3313 | | |
3314 | 0 | on_error: |
3315 | 0 | if( safe_sanitized_path != NULL ) |
3316 | 0 | { |
3317 | 0 | memory_free( |
3318 | 0 | safe_sanitized_path ); |
3319 | 0 | } |
3320 | 0 | return( -1 ); |
3321 | 0 | } |
3322 | | |
3323 | | /* Combines the directory name and filename into a path |
3324 | | * Returns 1 if successful or -1 on error |
3325 | | */ |
3326 | | int libcpath_path_join( |
3327 | | char **path, |
3328 | | size_t *path_size, |
3329 | | const char *directory_name, |
3330 | | size_t directory_name_length, |
3331 | | const char *filename, |
3332 | | size_t filename_length, |
3333 | | libcerror_error_t **error ) |
3334 | 0 | { |
3335 | 0 | static char *function = "libcpath_path_join"; |
3336 | 0 | size_t filename_index = 0; |
3337 | 0 | size_t path_index = 0; |
3338 | |
|
3339 | 0 | if( path == NULL ) |
3340 | 0 | { |
3341 | 0 | libcerror_error_set( |
3342 | 0 | error, |
3343 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3344 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3345 | 0 | "%s: invalid path.", |
3346 | 0 | function ); |
3347 | |
|
3348 | 0 | return( -1 ); |
3349 | 0 | } |
3350 | 0 | if( *path != NULL ) |
3351 | 0 | { |
3352 | 0 | libcerror_error_set( |
3353 | 0 | error, |
3354 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3355 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
3356 | 0 | "%s: invalid path value already set.", |
3357 | 0 | function ); |
3358 | |
|
3359 | 0 | return( -1 ); |
3360 | 0 | } |
3361 | 0 | if( path_size == NULL ) |
3362 | 0 | { |
3363 | 0 | libcerror_error_set( |
3364 | 0 | error, |
3365 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3366 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3367 | 0 | "%s: invalid path size.", |
3368 | 0 | function ); |
3369 | |
|
3370 | 0 | return( -1 ); |
3371 | 0 | } |
3372 | 0 | if( directory_name == NULL ) |
3373 | 0 | { |
3374 | 0 | libcerror_error_set( |
3375 | 0 | error, |
3376 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3377 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3378 | 0 | "%s: invalid directory name.", |
3379 | 0 | function ); |
3380 | |
|
3381 | 0 | return( -1 ); |
3382 | 0 | } |
3383 | 0 | if( directory_name_length > (size_t) SSIZE_MAX ) |
3384 | 0 | { |
3385 | 0 | libcerror_error_set( |
3386 | 0 | error, |
3387 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3388 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
3389 | 0 | "%s: invalid directory name length value exceeds maximum.", |
3390 | 0 | function ); |
3391 | |
|
3392 | 0 | return( -1 ); |
3393 | 0 | } |
3394 | 0 | if( filename == NULL ) |
3395 | 0 | { |
3396 | 0 | libcerror_error_set( |
3397 | 0 | error, |
3398 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3399 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3400 | 0 | "%s: invalid filename.", |
3401 | 0 | function ); |
3402 | |
|
3403 | 0 | return( -1 ); |
3404 | 0 | } |
3405 | 0 | if( filename_length > (size_t) SSIZE_MAX ) |
3406 | 0 | { |
3407 | 0 | libcerror_error_set( |
3408 | 0 | error, |
3409 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3410 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
3411 | 0 | "%s: invalid filename length value exceeds maximum.", |
3412 | 0 | function ); |
3413 | |
|
3414 | 0 | return( -1 ); |
3415 | 0 | } |
3416 | | /* TODO strip other patterns like /./ */ |
3417 | 0 | while( directory_name_length > 0 ) |
3418 | 0 | { |
3419 | 0 | if( directory_name[ directory_name_length - 1 ] != (char) LIBCPATH_SEPARATOR ) |
3420 | 0 | { |
3421 | 0 | break; |
3422 | 0 | } |
3423 | 0 | directory_name_length--; |
3424 | 0 | } |
3425 | 0 | while( filename_length > 0 ) |
3426 | 0 | { |
3427 | 0 | if( filename[ filename_index ] != (char) LIBCPATH_SEPARATOR ) |
3428 | 0 | { |
3429 | 0 | break; |
3430 | 0 | } |
3431 | 0 | filename_index++; |
3432 | 0 | filename_length--; |
3433 | 0 | } |
3434 | 0 | *path_size = directory_name_length + filename_length + 2; |
3435 | |
|
3436 | 0 | *path = narrow_string_allocate( |
3437 | 0 | *path_size ); |
3438 | |
|
3439 | 0 | if( *path == NULL ) |
3440 | 0 | { |
3441 | 0 | libcerror_error_set( |
3442 | 0 | error, |
3443 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
3444 | 0 | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
3445 | 0 | "%s: unable to create path.", |
3446 | 0 | function ); |
3447 | |
|
3448 | 0 | goto on_error; |
3449 | 0 | } |
3450 | 0 | if( narrow_string_copy( |
3451 | 0 | *path, |
3452 | 0 | directory_name, |
3453 | 0 | directory_name_length ) == NULL ) |
3454 | 0 | { |
3455 | 0 | libcerror_error_set( |
3456 | 0 | error, |
3457 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
3458 | 0 | LIBCERROR_MEMORY_ERROR_COPY_FAILED, |
3459 | 0 | "%s: unable to copy directory name to path.", |
3460 | 0 | function ); |
3461 | |
|
3462 | 0 | goto on_error; |
3463 | 0 | } |
3464 | 0 | path_index = directory_name_length; |
3465 | |
|
3466 | 0 | ( *path )[ path_index++ ] = (char) LIBCPATH_SEPARATOR; |
3467 | |
|
3468 | 0 | if( narrow_string_copy( |
3469 | 0 | &( ( *path )[ path_index ] ), |
3470 | 0 | &( filename[ filename_index ] ), |
3471 | 0 | filename_length ) == NULL ) |
3472 | 0 | { |
3473 | 0 | libcerror_error_set( |
3474 | 0 | error, |
3475 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3476 | 0 | LIBCERROR_RUNTIME_ERROR_COPY_FAILED, |
3477 | 0 | "%s: unable to copy filename to path.", |
3478 | 0 | function ); |
3479 | |
|
3480 | 0 | goto on_error; |
3481 | 0 | } |
3482 | 0 | path_index += filename_length; |
3483 | |
|
3484 | 0 | ( *path )[ path_index ] = 0; |
3485 | |
|
3486 | 0 | return( 1 ); |
3487 | | |
3488 | 0 | on_error: |
3489 | 0 | if( *path != NULL ) |
3490 | 0 | { |
3491 | 0 | memory_free( |
3492 | 0 | *path ); |
3493 | |
|
3494 | 0 | *path = NULL; |
3495 | 0 | } |
3496 | 0 | *path_size = 0; |
3497 | |
|
3498 | 0 | return( -1 ); |
3499 | 0 | } |
3500 | | |
3501 | | #if defined( WINAPI ) && ( WINVER <= 0x0500 ) |
3502 | | |
3503 | | /* Cross Windows safe version of CreateDirectoryA |
3504 | | * Returns TRUE if successful or FALSE on error |
3505 | | */ |
3506 | | BOOL libcpath_CreateDirectoryA( |
3507 | | LPCSTR path, |
3508 | | SECURITY_ATTRIBUTES *security_attributes ) |
3509 | | { |
3510 | | FARPROC function = NULL; |
3511 | | HMODULE library_handle = NULL; |
3512 | | BOOL result = FALSE; |
3513 | | |
3514 | | if( path == NULL ) |
3515 | | { |
3516 | | return( 0 ); |
3517 | | } |
3518 | | library_handle = LoadLibrary( |
3519 | | _SYSTEM_STRING( "kernel32.dll" ) ); |
3520 | | |
3521 | | if( library_handle == NULL ) |
3522 | | { |
3523 | | return( 0 ); |
3524 | | } |
3525 | | function = GetProcAddress( |
3526 | | library_handle, |
3527 | | (LPCSTR) "CreateDirectoryA" ); |
3528 | | |
3529 | | if( function != NULL ) |
3530 | | { |
3531 | | result = function( |
3532 | | path, |
3533 | | security_attributes ); |
3534 | | } |
3535 | | /* This call should be after using the function |
3536 | | * in most cases kernel32.dll will still be available after free |
3537 | | */ |
3538 | | if( FreeLibrary( |
3539 | | library_handle ) != TRUE ) |
3540 | | { |
3541 | | libcpath_CloseHandle( |
3542 | | library_handle ); |
3543 | | |
3544 | | return( 0 ); |
3545 | | } |
3546 | | return( result ); |
3547 | | } |
3548 | | |
3549 | | #endif /* defined( WINAPI ) && ( WINVER <= 0x0500 ) */ |
3550 | | |
3551 | | #if defined( WINAPI ) |
3552 | | |
3553 | | /* Makes the directory |
3554 | | * This function uses the WINAPI function for Windows XP (0x0501) or later |
3555 | | * or tries to dynamically call the function for Windows 2000 (0x0500) or earlier |
3556 | | * Returns 1 if successful or -1 on error |
3557 | | */ |
3558 | | int libcpath_path_make_directory( |
3559 | | const char *directory_name, |
3560 | | libcerror_error_t **error ) |
3561 | | { |
3562 | | static char *function = "libcpath_path_make_directory"; |
3563 | | DWORD error_code = 0; |
3564 | | |
3565 | | if( directory_name == NULL ) |
3566 | | { |
3567 | | libcerror_error_set( |
3568 | | error, |
3569 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3570 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3571 | | "%s: invalid directory name.", |
3572 | | function ); |
3573 | | |
3574 | | return( -1 ); |
3575 | | } |
3576 | | #if defined( WINAPI ) && ( WINVER <= 0x0500 ) |
3577 | | if( libcpath_CreateDirectoryA( |
3578 | | directory_name, |
3579 | | NULL ) == 0 ) |
3580 | | #else |
3581 | | if( CreateDirectoryA( |
3582 | | directory_name, |
3583 | | NULL ) == 0 ) |
3584 | | #endif |
3585 | | { |
3586 | | error_code = GetLastError(); |
3587 | | |
3588 | | libcerror_system_set_error( |
3589 | | error, |
3590 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3591 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3592 | | error_code, |
3593 | | "%s: unable to make directory.", |
3594 | | function ); |
3595 | | |
3596 | | return( -1 ); |
3597 | | } |
3598 | | return( 1 ); |
3599 | | } |
3600 | | |
3601 | | #elif defined( HAVE_MKDIR ) |
3602 | | |
3603 | | /* Makes the directory |
3604 | | * This function uses the POSIX mkdir function or equivalent |
3605 | | * Returns 1 if successful or -1 on error |
3606 | | */ |
3607 | | int libcpath_path_make_directory( |
3608 | | const char *directory_name, |
3609 | | libcerror_error_t **error ) |
3610 | 0 | { |
3611 | 0 | static char *function = "libcpath_path_make_directory"; |
3612 | |
|
3613 | 0 | if( directory_name == NULL ) |
3614 | 0 | { |
3615 | 0 | libcerror_error_set( |
3616 | 0 | error, |
3617 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3618 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3619 | 0 | "%s: invalid directory name.", |
3620 | 0 | function ); |
3621 | |
|
3622 | 0 | return( -1 ); |
3623 | 0 | } |
3624 | | #if defined( __MINGW32__ ) || defined( _MSC_VER ) |
3625 | | if( mkdir( |
3626 | | directory_name ) != 0 ) |
3627 | | #else |
3628 | 0 | if( mkdir( |
3629 | 0 | directory_name, |
3630 | 0 | 0755 ) != 0 ) |
3631 | 0 | #endif |
3632 | 0 | { |
3633 | 0 | libcerror_system_set_error( |
3634 | 0 | error, |
3635 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3636 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3637 | 0 | errno, |
3638 | 0 | "%s: unable to make directory.", |
3639 | 0 | function ); |
3640 | |
|
3641 | 0 | return( -1 ); |
3642 | 0 | } |
3643 | | |
3644 | 0 | return( 1 ); |
3645 | 0 | } |
3646 | | |
3647 | | #else |
3648 | | #error Missing make directory function |
3649 | | #endif |
3650 | | |
3651 | | #if defined( HAVE_WIDE_CHARACTER_TYPE ) |
3652 | | |
3653 | | #if defined( WINAPI ) && ( WINVER <= 0x0500 ) |
3654 | | |
3655 | | /* Cross Windows safe version of SetCurrentDirectoryW |
3656 | | * Returns TRUE if successful or FALSE on error |
3657 | | */ |
3658 | | BOOL libcpath_SetCurrentDirectoryW( |
3659 | | LPCWSTR path ) |
3660 | | { |
3661 | | FARPROC function = NULL; |
3662 | | HMODULE library_handle = NULL; |
3663 | | BOOL result = FALSE; |
3664 | | |
3665 | | if( path == NULL ) |
3666 | | { |
3667 | | return( FALSE ); |
3668 | | } |
3669 | | library_handle = LoadLibrary( |
3670 | | _SYSTEM_STRING( "kernel32.dll" ) ); |
3671 | | |
3672 | | if( library_handle == NULL ) |
3673 | | { |
3674 | | return( FALSE ); |
3675 | | } |
3676 | | function = GetProcAddress( |
3677 | | library_handle, |
3678 | | (LPCSTR) "SetCurrentDirectoryW" ); |
3679 | | |
3680 | | if( function != NULL ) |
3681 | | { |
3682 | | result = function( |
3683 | | path ); |
3684 | | } |
3685 | | /* This call should be after using the function |
3686 | | * in most cases kernel32.dll will still be available after free |
3687 | | */ |
3688 | | if( FreeLibrary( |
3689 | | library_handle ) != TRUE ) |
3690 | | { |
3691 | | libcpath_CloseHandle( |
3692 | | library_handle ); |
3693 | | |
3694 | | return( FALSE ); |
3695 | | } |
3696 | | return( result ); |
3697 | | } |
3698 | | |
3699 | | #endif /* defined( WINAPI ) && ( WINVER <= 0x0500 ) */ |
3700 | | |
3701 | | #if defined( WINAPI ) |
3702 | | |
3703 | | /* Changes the directory |
3704 | | * This function uses the WINAPI function for Windows XP (0x0501) or later |
3705 | | * or tries to dynamically call the function for Windows 2000 (0x0500) or earlier |
3706 | | * Returns 1 if successful or -1 on error |
3707 | | */ |
3708 | | int libcpath_path_change_directory_wide( |
3709 | | const wchar_t *directory_name, |
3710 | | libcerror_error_t **error ) |
3711 | | { |
3712 | | static char *function = "libcpath_path_change_directory_wide"; |
3713 | | DWORD error_code = 0; |
3714 | | |
3715 | | if( directory_name == NULL ) |
3716 | | { |
3717 | | libcerror_error_set( |
3718 | | error, |
3719 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3720 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3721 | | "%s: invalid directory name.", |
3722 | | function ); |
3723 | | |
3724 | | return( -1 ); |
3725 | | } |
3726 | | #if defined( WINAPI ) && ( WINVER <= 0x0500 ) |
3727 | | if( libcpath_SetCurrentDirectoryW( |
3728 | | directory_name ) == 0 ) |
3729 | | #else |
3730 | | if( SetCurrentDirectoryW( |
3731 | | directory_name ) == 0 ) |
3732 | | #endif |
3733 | | { |
3734 | | error_code = GetLastError(); |
3735 | | |
3736 | | libcerror_system_set_error( |
3737 | | error, |
3738 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3739 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3740 | | error_code, |
3741 | | "%s: unable to change directory.", |
3742 | | function ); |
3743 | | |
3744 | | return( -1 ); |
3745 | | } |
3746 | | return( 1 ); |
3747 | | } |
3748 | | |
3749 | | #elif defined( HAVE_CHDIR ) |
3750 | | |
3751 | | /* Changes the directory |
3752 | | * This function uses the POSIX chdir function or equivalent |
3753 | | * Returns 1 if successful or -1 on error |
3754 | | */ |
3755 | | int libcpath_path_change_directory_wide( |
3756 | | const wchar_t *directory_name, |
3757 | | libcerror_error_t **error ) |
3758 | | { |
3759 | | static char *function = "libcpath_path_change_directory_wide"; |
3760 | | char *narrow_directory_name = 0; |
3761 | | size_t directory_name_length = 0; |
3762 | | size_t narrow_directory_name_size = 0; |
3763 | | |
3764 | | if( directory_name == NULL ) |
3765 | | { |
3766 | | libcerror_error_set( |
3767 | | error, |
3768 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3769 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3770 | | "%s: invalid directory name.", |
3771 | | function ); |
3772 | | |
3773 | | return( -1 ); |
3774 | | } |
3775 | | directory_name_length = wide_string_length( |
3776 | | directory_name ); |
3777 | | |
3778 | | if( libcpath_system_string_size_from_wide_string( |
3779 | | directory_name, |
3780 | | directory_name_length + 1, |
3781 | | &narrow_directory_name_size, |
3782 | | error ) != 1 ) |
3783 | | { |
3784 | | libcerror_error_set( |
3785 | | error, |
3786 | | LIBCERROR_ERROR_DOMAIN_CONVERSION, |
3787 | | LIBCERROR_CONVERSION_ERROR_GENERIC, |
3788 | | "%s: unable to determine narrow directory name size.", |
3789 | | function ); |
3790 | | |
3791 | | goto on_error; |
3792 | | } |
3793 | | if( ( narrow_directory_name_size > (size_t) SSIZE_MAX ) |
3794 | | || ( ( sizeof( char ) * narrow_directory_name_size ) > (size_t) SSIZE_MAX ) ) |
3795 | | { |
3796 | | libcerror_error_set( |
3797 | | error, |
3798 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3799 | | LIBCERROR_RUNTIME_ERROR_VALUE_EXCEEDS_MAXIMUM, |
3800 | | "%s: invalid narrow directory name size value exceeds maximum.", |
3801 | | function ); |
3802 | | |
3803 | | goto on_error; |
3804 | | } |
3805 | | narrow_directory_name = narrow_string_allocate( |
3806 | | narrow_directory_name_size ); |
3807 | | |
3808 | | if( narrow_directory_name == NULL ) |
3809 | | { |
3810 | | libcerror_error_set( |
3811 | | error, |
3812 | | LIBCERROR_ERROR_DOMAIN_MEMORY, |
3813 | | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
3814 | | "%s: unable to create narrow directory name.", |
3815 | | function ); |
3816 | | |
3817 | | goto on_error; |
3818 | | } |
3819 | | if( libcpath_system_string_copy_from_wide_string( |
3820 | | narrow_directory_name, |
3821 | | narrow_directory_name_size, |
3822 | | directory_name, |
3823 | | directory_name_length + 1, |
3824 | | error ) != 1 ) |
3825 | | { |
3826 | | libcerror_error_set( |
3827 | | error, |
3828 | | LIBCERROR_ERROR_DOMAIN_CONVERSION, |
3829 | | LIBCERROR_CONVERSION_ERROR_GENERIC, |
3830 | | "%s: unable to set name.", |
3831 | | function ); |
3832 | | |
3833 | | goto on_error; |
3834 | | } |
3835 | | if( chdir( |
3836 | | narrow_directory_name ) != 0 ) |
3837 | | { |
3838 | | libcerror_system_set_error( |
3839 | | error, |
3840 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3841 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3842 | | errno, |
3843 | | "%s: unable to change directory.", |
3844 | | function ); |
3845 | | |
3846 | | return( -1 ); |
3847 | | } |
3848 | | memory_free( |
3849 | | narrow_directory_name ); |
3850 | | |
3851 | | return( 1 ); |
3852 | | |
3853 | | on_error: |
3854 | | if( narrow_directory_name != NULL ) |
3855 | | { |
3856 | | memory_free( |
3857 | | narrow_directory_name ); |
3858 | | } |
3859 | | return( -1 ); |
3860 | | } |
3861 | | |
3862 | | #else |
3863 | | #error Missing change directory function |
3864 | | #endif |
3865 | | |
3866 | | #if defined( WINAPI ) && ( WINVER <= 0x0500 ) |
3867 | | |
3868 | | /* Cross Windows safe version of GetCurrentDirectoryW |
3869 | | * Returns the number of characters in the current directory string or 0 on error |
3870 | | */ |
3871 | | DWORD libcpath_GetCurrentDirectoryW( |
3872 | | DWORD buffer_size, |
3873 | | LPCWSTR buffer ) |
3874 | | { |
3875 | | FARPROC function = NULL; |
3876 | | HMODULE library_handle = NULL; |
3877 | | DWORD result = 0; |
3878 | | |
3879 | | library_handle = LoadLibrary( |
3880 | | _SYSTEM_STRING( "kernel32.dll" ) ); |
3881 | | |
3882 | | if( library_handle == NULL ) |
3883 | | { |
3884 | | return( 0 ); |
3885 | | } |
3886 | | function = GetProcAddress( |
3887 | | library_handle, |
3888 | | (LPCSTR) "GetCurrentDirectoryW" ); |
3889 | | |
3890 | | if( function != NULL ) |
3891 | | { |
3892 | | result = function( |
3893 | | buffer_size, |
3894 | | buffer ); |
3895 | | } |
3896 | | /* This call should be after using the function |
3897 | | * in most cases kernel32.dll will still be available after free |
3898 | | */ |
3899 | | if( FreeLibrary( |
3900 | | library_handle ) != TRUE ) |
3901 | | { |
3902 | | libcpath_CloseHandle( |
3903 | | library_handle ); |
3904 | | |
3905 | | return( 0 ); |
3906 | | } |
3907 | | return( result ); |
3908 | | } |
3909 | | |
3910 | | #endif /* defined( WINAPI ) && ( WINVER <= 0x0500 ) */ |
3911 | | |
3912 | | #if defined( WINAPI ) |
3913 | | |
3914 | | /* Retrieves the current working directory |
3915 | | * This function uses the WINAPI function for Windows XP (0x0501) or later |
3916 | | * or tries to dynamically call the function for Windows 2000 (0x0500) or earlier |
3917 | | * Returns 1 if successful or -1 on error |
3918 | | */ |
3919 | | int libcpath_path_get_current_working_directory_wide( |
3920 | | wchar_t **current_working_directory, |
3921 | | size_t *current_working_directory_size, |
3922 | | libcerror_error_t **error ) |
3923 | | { |
3924 | | static char *function = "libcpath_path_get_current_working_directory_wide"; |
3925 | | wchar_t *safe_current_working_directory = NULL; |
3926 | | DWORD error_code = 0; |
3927 | | DWORD result = 0; |
3928 | | DWORD safe_current_working_directory_size = 0; |
3929 | | |
3930 | | if( current_working_directory == NULL ) |
3931 | | { |
3932 | | libcerror_error_set( |
3933 | | error, |
3934 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3935 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3936 | | "%s: invalid current working directory.", |
3937 | | function ); |
3938 | | |
3939 | | return( -1 ); |
3940 | | } |
3941 | | if( *current_working_directory != NULL ) |
3942 | | { |
3943 | | libcerror_error_set( |
3944 | | error, |
3945 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3946 | | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
3947 | | "%s: invalid current working directory value already set.", |
3948 | | function ); |
3949 | | |
3950 | | return( -1 ); |
3951 | | } |
3952 | | if( current_working_directory_size == NULL ) |
3953 | | { |
3954 | | libcerror_error_set( |
3955 | | error, |
3956 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3957 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3958 | | "%s: invalid current working directory size.", |
3959 | | function ); |
3960 | | |
3961 | | return( -1 ); |
3962 | | } |
3963 | | #if defined( WINAPI ) && ( WINVER <= 0x0500 ) |
3964 | | safe_current_working_directory_size = libcpath_GetCurrentDirectoryW( |
3965 | | 0, |
3966 | | NULL ); |
3967 | | #else |
3968 | | safe_current_working_directory_size = GetCurrentDirectoryW( |
3969 | | 0, |
3970 | | NULL ); |
3971 | | #endif |
3972 | | if( safe_current_working_directory_size == 0 ) |
3973 | | { |
3974 | | libcerror_error_set( |
3975 | | error, |
3976 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3977 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
3978 | | "%s: unable to retrieve current working directory size.", |
3979 | | function ); |
3980 | | |
3981 | | goto on_error; |
3982 | | } |
3983 | | if( (size_t) safe_current_working_directory_size > (size_t) SSIZE_MAX ) |
3984 | | { |
3985 | | libcerror_error_set( |
3986 | | error, |
3987 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3988 | | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
3989 | | "%s: invalid current working directory size value out of bounds.", |
3990 | | function ); |
3991 | | |
3992 | | goto on_error; |
3993 | | } |
3994 | | safe_current_working_directory = wide_string_allocate( |
3995 | | safe_current_working_directory_size ); |
3996 | | |
3997 | | if( safe_current_working_directory == NULL ) |
3998 | | { |
3999 | | libcerror_error_set( |
4000 | | error, |
4001 | | LIBCERROR_ERROR_DOMAIN_MEMORY, |
4002 | | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
4003 | | "%s: unable to create current working directory.", |
4004 | | function ); |
4005 | | |
4006 | | goto on_error; |
4007 | | } |
4008 | | if( memory_set( |
4009 | | safe_current_working_directory, |
4010 | | 0, |
4011 | | sizeof( wchar_t ) * safe_current_working_directory_size ) == NULL ) |
4012 | | { |
4013 | | libcerror_error_set( |
4014 | | error, |
4015 | | LIBCERROR_ERROR_DOMAIN_MEMORY, |
4016 | | LIBCERROR_MEMORY_ERROR_SET_FAILED, |
4017 | | "%s: unable to clear current working directory.", |
4018 | | function ); |
4019 | | |
4020 | | goto on_error; |
4021 | | } |
4022 | | #if defined( WINAPI ) && ( WINVER <= 0x0500 ) |
4023 | | result = libcpath_GetCurrentDirectoryW( |
4024 | | safe_current_working_directory_size, |
4025 | | safe_current_working_directory ) |
4026 | | #else |
4027 | | result = GetCurrentDirectoryW( |
4028 | | safe_current_working_directory_size, |
4029 | | safe_current_working_directory ); |
4030 | | #endif |
4031 | | /* Note that safe_current_working_directory_size can be larger than result |
4032 | | */ |
4033 | | if( ( result == 0 ) |
4034 | | || ( result > safe_current_working_directory_size ) ) |
4035 | | { |
4036 | | error_code = GetLastError(); |
4037 | | |
4038 | | libcerror_system_set_error( |
4039 | | error, |
4040 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4041 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
4042 | | error_code, |
4043 | | "%s: unable to retrieve current working directory.", |
4044 | | function ); |
4045 | | |
4046 | | goto on_error; |
4047 | | } |
4048 | | *current_working_directory = safe_current_working_directory; |
4049 | | *current_working_directory_size = (size_t) safe_current_working_directory_size; |
4050 | | |
4051 | | return( 1 ); |
4052 | | |
4053 | | on_error: |
4054 | | if( safe_current_working_directory != NULL ) |
4055 | | { |
4056 | | memory_free( |
4057 | | safe_current_working_directory ); |
4058 | | } |
4059 | | return( -1 ); |
4060 | | } |
4061 | | |
4062 | | #elif defined( HAVE_GETCWD ) |
4063 | | |
4064 | | /* Retrieves the current working directory |
4065 | | * This function uses the POSIX getcwd function or equivalent |
4066 | | * Returns 1 if successful or -1 on error |
4067 | | */ |
4068 | | int libcpath_path_get_current_working_directory_wide( |
4069 | | wchar_t **current_working_directory, |
4070 | | size_t *current_working_directory_size, |
4071 | | libcerror_error_t **error ) |
4072 | | { |
4073 | | static char *function = "libcpath_path_get_current_working_directory_wide"; |
4074 | | wchar_t *safe_current_working_directory = NULL; |
4075 | | char *narrow_current_working_directory = 0; |
4076 | | size_t narrow_current_working_directory_length = 0; |
4077 | | size_t safe_current_working_directory_size = 0; |
4078 | | |
4079 | | if( current_working_directory == NULL ) |
4080 | | { |
4081 | | libcerror_error_set( |
4082 | | error, |
4083 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4084 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4085 | | "%s: invalid current working directory.", |
4086 | | function ); |
4087 | | |
4088 | | return( -1 ); |
4089 | | } |
4090 | | if( *current_working_directory != NULL ) |
4091 | | { |
4092 | | libcerror_error_set( |
4093 | | error, |
4094 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4095 | | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
4096 | | "%s: invalid current working directory value already set.", |
4097 | | function ); |
4098 | | |
4099 | | return( -1 ); |
4100 | | } |
4101 | | if( current_working_directory_size == NULL ) |
4102 | | { |
4103 | | libcerror_error_set( |
4104 | | error, |
4105 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4106 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4107 | | "%s: invalid current working directory size.", |
4108 | | function ); |
4109 | | |
4110 | | return( -1 ); |
4111 | | } |
4112 | | narrow_current_working_directory = narrow_string_allocate( |
4113 | | PATH_MAX ); |
4114 | | |
4115 | | if( narrow_current_working_directory == NULL ) |
4116 | | { |
4117 | | libcerror_error_set( |
4118 | | error, |
4119 | | LIBCERROR_ERROR_DOMAIN_MEMORY, |
4120 | | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
4121 | | "%s: unable to create narrow current working directory.", |
4122 | | function ); |
4123 | | |
4124 | | goto on_error; |
4125 | | } |
4126 | | if( getcwd( |
4127 | | narrow_current_working_directory, |
4128 | | PATH_MAX ) == NULL ) |
4129 | | { |
4130 | | libcerror_system_set_error( |
4131 | | error, |
4132 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4133 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
4134 | | errno, |
4135 | | "%s: unable to retrieve current working directory.", |
4136 | | function ); |
4137 | | |
4138 | | goto on_error; |
4139 | | } |
4140 | | narrow_current_working_directory_length = narrow_string_length( |
4141 | | narrow_current_working_directory ); |
4142 | | |
4143 | | /* Convert the current working directory to a wide string |
4144 | | * if the platform has no wide character open function |
4145 | | */ |
4146 | | if( libcpath_system_string_size_from_narrow_string( |
4147 | | narrow_current_working_directory, |
4148 | | narrow_current_working_directory_length + 1, |
4149 | | &safe_current_working_directory_size, |
4150 | | error ) != 1 ) |
4151 | | { |
4152 | | libcerror_error_set( |
4153 | | error, |
4154 | | LIBCERROR_ERROR_DOMAIN_CONVERSION, |
4155 | | LIBCERROR_CONVERSION_ERROR_GENERIC, |
4156 | | "%s: unable to determine wide character current working directory size.", |
4157 | | function ); |
4158 | | |
4159 | | return( -1 ); |
4160 | | } |
4161 | | safe_current_working_directory = wide_string_allocate( |
4162 | | safe_current_working_directory_size ); |
4163 | | |
4164 | | if( safe_current_working_directory == NULL ) |
4165 | | { |
4166 | | libcerror_error_set( |
4167 | | error, |
4168 | | LIBCERROR_ERROR_DOMAIN_MEMORY, |
4169 | | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
4170 | | "%s: unable to create current working directory.", |
4171 | | function ); |
4172 | | |
4173 | | goto on_error; |
4174 | | } |
4175 | | if( memory_set( |
4176 | | safe_current_working_directory, |
4177 | | 0, |
4178 | | sizeof( wchar_t ) * safe_current_working_directory_size ) == NULL ) |
4179 | | { |
4180 | | libcerror_error_set( |
4181 | | error, |
4182 | | LIBCERROR_ERROR_DOMAIN_MEMORY, |
4183 | | LIBCERROR_MEMORY_ERROR_SET_FAILED, |
4184 | | "%s: unable to clear current working directory.", |
4185 | | function ); |
4186 | | |
4187 | | goto on_error; |
4188 | | } |
4189 | | if( libcpath_system_string_copy_to_wide_string( |
4190 | | narrow_current_working_directory, |
4191 | | narrow_current_working_directory_length + 1, |
4192 | | safe_current_working_directory, |
4193 | | safe_current_working_directory_size, |
4194 | | error ) != 1 ) |
4195 | | { |
4196 | | libcerror_error_set( |
4197 | | error, |
4198 | | LIBCERROR_ERROR_DOMAIN_CONVERSION, |
4199 | | LIBCERROR_CONVERSION_ERROR_GENERIC, |
4200 | | "%s: unable to set current working directory.", |
4201 | | function ); |
4202 | | |
4203 | | goto on_error; |
4204 | | } |
4205 | | memory_free( |
4206 | | narrow_current_working_directory ); |
4207 | | |
4208 | | *current_working_directory = safe_current_working_directory; |
4209 | | *current_working_directory_size = safe_current_working_directory_size; |
4210 | | |
4211 | | return( 1 ); |
4212 | | |
4213 | | on_error: |
4214 | | if( narrow_current_working_directory != NULL ) |
4215 | | { |
4216 | | memory_free( |
4217 | | narrow_current_working_directory ); |
4218 | | } |
4219 | | if( safe_current_working_directory != NULL ) |
4220 | | { |
4221 | | memory_free( |
4222 | | safe_current_working_directory ); |
4223 | | } |
4224 | | return( -1 ); |
4225 | | } |
4226 | | |
4227 | | #else |
4228 | | #error Missing get current working directory function |
4229 | | #endif |
4230 | | |
4231 | | #if defined( WINAPI ) && ( WINVER <= 0x0500 ) |
4232 | | |
4233 | | /* Cross Windows safe version of GetFullPathNameW |
4234 | | * Returns the number of characters in the current directory string or 0 on error |
4235 | | */ |
4236 | | DWORD libcpath_GetFullPathNameW( |
4237 | | LPCWSTR filename, |
4238 | | DWORD buffer_size, |
4239 | | LPWSTR buffer, |
4240 | | LPWSTR *file_part ) |
4241 | | { |
4242 | | FARPROC function = NULL; |
4243 | | HMODULE library_handle = NULL; |
4244 | | DWORD result = 0; |
4245 | | |
4246 | | library_handle = LoadLibrary( |
4247 | | _SYSTEM_STRING( "kernel32.dll" ) ); |
4248 | | |
4249 | | if( library_handle == NULL ) |
4250 | | { |
4251 | | return( 0 ); |
4252 | | } |
4253 | | function = GetProcAddress( |
4254 | | library_handle, |
4255 | | (LPCSTR) "GetFullPathNameW" ); |
4256 | | |
4257 | | if( function != NULL ) |
4258 | | { |
4259 | | result = function( |
4260 | | filename, |
4261 | | buffer_size, |
4262 | | buffer, |
4263 | | file_part ); |
4264 | | } |
4265 | | /* This call should be after using the function |
4266 | | * in most cases kernel32.dll will still be available after free |
4267 | | */ |
4268 | | if( FreeLibrary( |
4269 | | library_handle ) != TRUE ) |
4270 | | { |
4271 | | libcpath_CloseHandle( |
4272 | | library_handle ); |
4273 | | |
4274 | | return( 0 ); |
4275 | | } |
4276 | | return( result ); |
4277 | | } |
4278 | | |
4279 | | #endif /* defined( WINAPI ) && ( WINVER <= 0x0500 ) */ |
4280 | | |
4281 | | #if defined( WINAPI ) |
4282 | | |
4283 | | /* Determines the path type |
4284 | | * Returns 1 if succesful or -1 on error |
4285 | | */ |
4286 | | int libcpath_path_get_path_type_wide( |
4287 | | const wchar_t *path, |
4288 | | size_t path_length, |
4289 | | uint8_t *path_type, |
4290 | | libcerror_error_t **error ) |
4291 | | { |
4292 | | static char *function = "libcpath_path_get_path_type_wide"; |
4293 | | |
4294 | | if( path == NULL ) |
4295 | | { |
4296 | | libcerror_error_set( |
4297 | | error, |
4298 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4299 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4300 | | "%s: invalid path.", |
4301 | | function ); |
4302 | | |
4303 | | return( -1 ); |
4304 | | } |
4305 | | if( ( path_length == 0 ) |
4306 | | || ( path_length > (size_t) ( SSIZE_MAX - 1 ) ) ) |
4307 | | { |
4308 | | libcerror_error_set( |
4309 | | error, |
4310 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4311 | | LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS, |
4312 | | "%s: invalid path length value out of bounds.", |
4313 | | function ); |
4314 | | |
4315 | | return( -1 ); |
4316 | | } |
4317 | | if( path_type == NULL ) |
4318 | | { |
4319 | | libcerror_error_set( |
4320 | | error, |
4321 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4322 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4323 | | "%s: invalid path type.", |
4324 | | function ); |
4325 | | |
4326 | | return( -1 ); |
4327 | | } |
4328 | | *path_type = LIBCPATH_TYPE_RELATIVE; |
4329 | | |
4330 | | /* Determine if the path is a special path |
4331 | | * device path prefix: \\.\ |
4332 | | * extended-length path prefix: \\?\ |
4333 | | */ |
4334 | | if( ( path_length >= 4 ) |
4335 | | && ( path[ 0 ] == (wchar_t) '\\' ) |
4336 | | && ( path[ 1 ] == (wchar_t) '\\' ) |
4337 | | && ( ( path[ 2 ] == (wchar_t) '.' ) |
4338 | | || ( path[ 2 ] == (wchar_t) '?' ) ) |
4339 | | && ( path[ 3 ] == (wchar_t) '\\' ) ) |
4340 | | { |
4341 | | if( path[ 2 ] == (wchar_t) '.' ) |
4342 | | { |
4343 | | *path_type = LIBCPATH_TYPE_DEVICE; |
4344 | | } |
4345 | | /* Determine if the path in an extended-length UNC path |
4346 | | * \\?\UNC\server\share |
4347 | | */ |
4348 | | else if( ( path_length >= 8 ) |
4349 | | && ( path[ 4 ] == (wchar_t) 'U' ) |
4350 | | && ( path[ 5 ] == (wchar_t) 'N' ) |
4351 | | && ( path[ 6 ] == (wchar_t) 'C' ) |
4352 | | && ( path[ 7 ] == (wchar_t) '\\' ) ) |
4353 | | { |
4354 | | *path_type = LIBCPATH_TYPE_EXTENDED_LENGTH_UNC; |
4355 | | } |
4356 | | else |
4357 | | { |
4358 | | *path_type = LIBCPATH_TYPE_EXTENDED_LENGTH; |
4359 | | } |
4360 | | } |
4361 | | /* Determine if the path is an UNC path |
4362 | | * \\server\share |
4363 | | */ |
4364 | | else if( ( path_length >= 2 ) |
4365 | | && ( path[ 0 ] == (wchar_t) '\\' ) |
4366 | | && ( path[ 1 ] == (wchar_t) '\\' ) ) |
4367 | | { |
4368 | | *path_type = LIBCPATH_TYPE_UNC; |
4369 | | } |
4370 | | else if( path[ 0 ] == (wchar_t) '\\' ) |
4371 | | { |
4372 | | *path_type = LIBCPATH_TYPE_ABSOLUTE; |
4373 | | } |
4374 | | else if( ( path_length >= 3 ) |
4375 | | && ( path[ 1 ] == (wchar_t) ':' ) |
4376 | | && ( path[ 2 ] == (wchar_t) '\\' ) |
4377 | | && ( ( ( path[ 0 ] >= (wchar_t) 'A' ) |
4378 | | && ( path[ 0 ] <= (wchar_t) 'Z' ) ) |
4379 | | || ( ( path[ 0 ] >= (wchar_t) 'a' ) |
4380 | | && ( path[ 0 ] <= (wchar_t) 'z' ) ) ) ) |
4381 | | { |
4382 | | *path_type = LIBCPATH_TYPE_ABSOLUTE; |
4383 | | } |
4384 | | return( 1 ); |
4385 | | } |
4386 | | |
4387 | | /* Determines the volume name |
4388 | | * Returns 1 if succesful or -1 on error |
4389 | | */ |
4390 | | int libcpath_path_get_volume_name_wide( |
4391 | | const wchar_t *path, |
4392 | | size_t path_length, |
4393 | | wchar_t **volume_name, |
4394 | | size_t *volume_name_length, |
4395 | | size_t *directory_name_index, |
4396 | | libcerror_error_t **error ) |
4397 | | { |
4398 | | static char *function = "libcpath_path_get_volume_name_wide"; |
4399 | | size_t path_index = 0; |
4400 | | size_t share_name_index = 0; |
4401 | | size_t volume_name_index = 0; |
4402 | | |
4403 | | if( path == NULL ) |
4404 | | { |
4405 | | libcerror_error_set( |
4406 | | error, |
4407 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4408 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4409 | | "%s: invalid path.", |
4410 | | function ); |
4411 | | |
4412 | | return( -1 ); |
4413 | | } |
4414 | | if( ( path_length == 0 ) |
4415 | | || ( path_length > (size_t) ( SSIZE_MAX - 1 ) ) ) |
4416 | | { |
4417 | | libcerror_error_set( |
4418 | | error, |
4419 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4420 | | LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS, |
4421 | | "%s: invalid path length value out of bounds.", |
4422 | | function ); |
4423 | | |
4424 | | return( -1 ); |
4425 | | } |
4426 | | if( volume_name == NULL ) |
4427 | | { |
4428 | | libcerror_error_set( |
4429 | | error, |
4430 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4431 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4432 | | "%s: invalid volume name.", |
4433 | | function ); |
4434 | | |
4435 | | return( -1 ); |
4436 | | } |
4437 | | if( volume_name_length == NULL ) |
4438 | | { |
4439 | | libcerror_error_set( |
4440 | | error, |
4441 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4442 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4443 | | "%s: invalid volume name length.", |
4444 | | function ); |
4445 | | |
4446 | | return( -1 ); |
4447 | | } |
4448 | | if( directory_name_index == NULL ) |
4449 | | { |
4450 | | libcerror_error_set( |
4451 | | error, |
4452 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4453 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4454 | | "%s: invalid directory name index.", |
4455 | | function ); |
4456 | | |
4457 | | return( -1 ); |
4458 | | } |
4459 | | *volume_name = NULL; |
4460 | | *volume_name_length = 0; |
4461 | | *directory_name_index = 0; |
4462 | | |
4463 | | /* Determine if the path is a special path |
4464 | | * device path prefix: \\.\ |
4465 | | * extended-length path prefix: \\?\ |
4466 | | */ |
4467 | | if( ( path_length >= 4 ) |
4468 | | && ( path[ 0 ] == (wchar_t) '\\' ) |
4469 | | && ( path[ 1 ] == (wchar_t) '\\' ) |
4470 | | && ( ( path[ 2 ] == (wchar_t) '.' ) |
4471 | | || ( path[ 2 ] == (wchar_t) '?' ) ) |
4472 | | && ( path[ 3 ] == (wchar_t) '\\' ) ) |
4473 | | { |
4474 | | if( path[ 2 ] == (wchar_t) '.' ) |
4475 | | { |
4476 | | volume_name_index = 4; |
4477 | | } |
4478 | | /* Determine if the path in an extended-length UNC path |
4479 | | * \\?\UNC\server\share |
4480 | | */ |
4481 | | else if( ( path_length >= 8 ) |
4482 | | && ( path[ 4 ] == (wchar_t) 'U' ) |
4483 | | && ( path[ 5 ] == (wchar_t) 'N' ) |
4484 | | && ( path[ 6 ] == (wchar_t) 'C' ) |
4485 | | && ( path[ 7 ] == (wchar_t) '\\' ) ) |
4486 | | { |
4487 | | volume_name_index = 8; |
4488 | | } |
4489 | | else |
4490 | | { |
4491 | | volume_name_index = 4; |
4492 | | } |
4493 | | } |
4494 | | /* Determine if the path is an UNC path |
4495 | | * \\server\share |
4496 | | */ |
4497 | | else if( ( path_length >= 2 ) |
4498 | | && ( path[ 0 ] == (wchar_t) '\\' ) |
4499 | | && ( path[ 1 ] == (wchar_t) '\\' ) ) |
4500 | | { |
4501 | | volume_name_index = 2; |
4502 | | } |
4503 | | /* Check if the path contains a volume letter |
4504 | | */ |
4505 | | if( ( path_length >= 2 ) |
4506 | | && ( volume_name_index <= ( path_length - 2 ) ) |
4507 | | && ( path[ volume_name_index + 1 ] == (wchar_t) ':' ) |
4508 | | && ( ( ( path[ volume_name_index ] >= (wchar_t) 'A' ) |
4509 | | && ( path[ volume_name_index ] <= (wchar_t) 'Z' ) ) |
4510 | | || ( ( path[ volume_name_index ] >= (wchar_t) 'a' ) |
4511 | | && ( path[ volume_name_index ] <= (wchar_t) 'z' ) ) ) ) |
4512 | | { |
4513 | | path_index = volume_name_index + 2; |
4514 | | |
4515 | | if( ( path_index < path_length ) |
4516 | | && ( path[ path_index ] == (wchar_t) '\\' ) ) |
4517 | | { |
4518 | | path_index++; |
4519 | | } |
4520 | | *volume_name = (wchar_t *) &( path[ volume_name_index ] ); |
4521 | | *volume_name_length = path_index - volume_name_index; |
4522 | | |
4523 | | if( path[ path_index - 1 ] == (wchar_t) '\\' ) |
4524 | | { |
4525 | | *volume_name_length -= 1; |
4526 | | } |
4527 | | *directory_name_index = path_index; |
4528 | | } |
4529 | | else if( volume_name_index == 4 ) |
4530 | | { |
4531 | | for( path_index = volume_name_index; |
4532 | | path_index < path_length; |
4533 | | path_index++ ) |
4534 | | { |
4535 | | if( path[ path_index ] == (wchar_t) '\\' ) |
4536 | | { |
4537 | | path_index++; |
4538 | | |
4539 | | break; |
4540 | | } |
4541 | | } |
4542 | | *volume_name = (wchar_t *) &( path[ 4 ] ); |
4543 | | *volume_name_length = path_index - 4; |
4544 | | |
4545 | | if( path[ path_index - 1 ] == (wchar_t) '\\' ) |
4546 | | { |
4547 | | *volume_name_length -= 1; |
4548 | | } |
4549 | | *directory_name_index = path_index; |
4550 | | } |
4551 | | else if( ( volume_name_index == 2 ) |
4552 | | || ( volume_name_index == 8 ) ) |
4553 | | { |
4554 | | for( share_name_index = volume_name_index; |
4555 | | share_name_index < path_length; |
4556 | | share_name_index++ ) |
4557 | | { |
4558 | | if( path[ share_name_index ] == (wchar_t) '\\' ) |
4559 | | { |
4560 | | share_name_index++; |
4561 | | |
4562 | | break; |
4563 | | } |
4564 | | } |
4565 | | if( share_name_index > path_length ) |
4566 | | { |
4567 | | libcerror_error_set( |
4568 | | error, |
4569 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4570 | | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
4571 | | "%s: invalid path - missing share name.", |
4572 | | function ); |
4573 | | |
4574 | | return( -1 ); |
4575 | | } |
4576 | | for( path_index = share_name_index; |
4577 | | path_index < path_length; |
4578 | | path_index++ ) |
4579 | | { |
4580 | | if( path[ path_index ] == (wchar_t) '\\' ) |
4581 | | { |
4582 | | path_index++; |
4583 | | |
4584 | | break; |
4585 | | } |
4586 | | } |
4587 | | *volume_name = (wchar_t *) &( path[ volume_name_index ] ); |
4588 | | *volume_name_length = path_index - volume_name_index; |
4589 | | |
4590 | | if( path[ path_index - 1 ] == (wchar_t) '\\' ) |
4591 | | { |
4592 | | *volume_name_length -= 1; |
4593 | | } |
4594 | | *directory_name_index = path_index; |
4595 | | } |
4596 | | return( 1 ); |
4597 | | } |
4598 | | |
4599 | | /* Retrieves the current working directory of a specific volume |
4600 | | * Returns 1 if successful or -1 on error |
4601 | | */ |
4602 | | int libcpath_path_get_current_working_directory_by_volume_wide( |
4603 | | wchar_t *volume_name, |
4604 | | size_t volume_name_length, |
4605 | | wchar_t **current_working_directory, |
4606 | | size_t *current_working_directory_size, |
4607 | | libcerror_error_t **error ) |
4608 | | { |
4609 | | static char *function = "libcpath_path_get_current_working_directory_by_volume_wide"; |
4610 | | wchar_t *safe_current_working_directory = NULL; |
4611 | | DWORD error_code = 0; |
4612 | | DWORD result = 0; |
4613 | | DWORD safe_current_working_directory_size = 0; |
4614 | | |
4615 | | if( volume_name == NULL ) |
4616 | | { |
4617 | | libcerror_error_set( |
4618 | | error, |
4619 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4620 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4621 | | "%s: invalid volume name.", |
4622 | | function ); |
4623 | | |
4624 | | return( -1 ); |
4625 | | } |
4626 | | if( ( volume_name_length == 0 ) |
4627 | | || ( volume_name_length > (size_t) ( SSIZE_MAX - 1 ) ) ) |
4628 | | { |
4629 | | libcerror_error_set( |
4630 | | error, |
4631 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4632 | | LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS, |
4633 | | "%s: invalid volume name length value out of bounds.", |
4634 | | function ); |
4635 | | |
4636 | | return( -1 ); |
4637 | | } |
4638 | | if( current_working_directory == NULL ) |
4639 | | { |
4640 | | libcerror_error_set( |
4641 | | error, |
4642 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4643 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4644 | | "%s: invalid current working directory.", |
4645 | | function ); |
4646 | | |
4647 | | return( -1 ); |
4648 | | } |
4649 | | if( *current_working_directory != NULL ) |
4650 | | { |
4651 | | libcerror_error_set( |
4652 | | error, |
4653 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4654 | | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
4655 | | "%s: invalid current working directory value already set.", |
4656 | | function ); |
4657 | | |
4658 | | return( -1 ); |
4659 | | } |
4660 | | if( current_working_directory_size == NULL ) |
4661 | | { |
4662 | | libcerror_error_set( |
4663 | | error, |
4664 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4665 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4666 | | "%s: invalid current working directory size.", |
4667 | | function ); |
4668 | | |
4669 | | return( -1 ); |
4670 | | } |
4671 | | #if defined( WINAPI ) && ( WINVER <= 0x0500 ) |
4672 | | safe_current_working_directory_size = libcpath_GetFullPathNameW( |
4673 | | volume_name, |
4674 | | 0, |
4675 | | NULL, |
4676 | | NULL ); |
4677 | | #else |
4678 | | safe_current_working_directory_size = GetFullPathNameW( |
4679 | | volume_name, |
4680 | | 0, |
4681 | | NULL, |
4682 | | NULL ); |
4683 | | #endif |
4684 | | if( safe_current_working_directory_size == 0 ) |
4685 | | { |
4686 | | libcerror_error_set( |
4687 | | error, |
4688 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4689 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
4690 | | "%s: unable to retrieve current working directory size.", |
4691 | | function ); |
4692 | | |
4693 | | goto on_error; |
4694 | | } |
4695 | | if( (size_t) safe_current_working_directory_size > (size_t) SSIZE_MAX ) |
4696 | | { |
4697 | | libcerror_error_set( |
4698 | | error, |
4699 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4700 | | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
4701 | | "%s: invalid current working directory size value out of bounds.", |
4702 | | function ); |
4703 | | |
4704 | | goto on_error; |
4705 | | } |
4706 | | safe_current_working_directory = wide_string_allocate( |
4707 | | safe_current_working_directory_size ); |
4708 | | |
4709 | | if( safe_current_working_directory == NULL ) |
4710 | | { |
4711 | | libcerror_error_set( |
4712 | | error, |
4713 | | LIBCERROR_ERROR_DOMAIN_MEMORY, |
4714 | | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
4715 | | "%s: unable to create current working directory.", |
4716 | | function ); |
4717 | | |
4718 | | goto on_error; |
4719 | | } |
4720 | | if( memory_set( |
4721 | | safe_current_working_directory, |
4722 | | 0, |
4723 | | sizeof( wchar_t ) * safe_current_working_directory_size ) == NULL ) |
4724 | | { |
4725 | | libcerror_error_set( |
4726 | | error, |
4727 | | LIBCERROR_ERROR_DOMAIN_MEMORY, |
4728 | | LIBCERROR_MEMORY_ERROR_SET_FAILED, |
4729 | | "%s: unable to clear current working directory.", |
4730 | | function ); |
4731 | | |
4732 | | goto on_error; |
4733 | | } |
4734 | | #if defined( WINAPI ) && ( WINVER <= 0x0500 ) |
4735 | | result = libcpath_GetFullPathNameW( |
4736 | | volume_name, |
4737 | | safe_current_working_directory_size, |
4738 | | safe_current_working_directory, |
4739 | | NULL ); |
4740 | | #else |
4741 | | result = GetFullPathNameW( |
4742 | | volume_name, |
4743 | | safe_current_working_directory_size, |
4744 | | safe_current_working_directory, |
4745 | | NULL ); |
4746 | | #endif |
4747 | | /* Note that safe_current_working_directory_size can be larger than result |
4748 | | */ |
4749 | | if( ( result == 0 ) |
4750 | | || ( result > safe_current_working_directory_size ) ) |
4751 | | { |
4752 | | error_code = GetLastError(); |
4753 | | |
4754 | | libcerror_system_set_error( |
4755 | | error, |
4756 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4757 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
4758 | | error_code, |
4759 | | "%s: unable to retrieve current working directory.", |
4760 | | function ); |
4761 | | |
4762 | | goto on_error; |
4763 | | } |
4764 | | *current_working_directory = safe_current_working_directory; |
4765 | | *current_working_directory_size = (size_t) safe_current_working_directory_size; |
4766 | | |
4767 | | return( 1 ); |
4768 | | |
4769 | | on_error: |
4770 | | if( safe_current_working_directory != NULL ) |
4771 | | { |
4772 | | memory_free( |
4773 | | safe_current_working_directory ); |
4774 | | } |
4775 | | return( -1 ); |
4776 | | } |
4777 | | |
4778 | | /* Determines the full path of the Windows path specified |
4779 | | * The function uses the extended-length path format |
4780 | | * (path with \\?\ prefix) |
4781 | | * |
4782 | | * Multiple successive \ not at the start of the path are combined into one |
4783 | | * |
4784 | | * Scenario's that are considered full paths: |
4785 | | * Device path: \\.\PhysicalDrive0 |
4786 | | * Extended-length path: \\?\C:\directory\file.txt |
4787 | | * Extended-length UNC path: \\?\UNC\server\share\directory\file.txt |
4788 | | * |
4789 | | * Scenario's that are not considered full paths: |
4790 | | * Local 'absolute' path: \directory\file.txt |
4791 | | * Local 'relative' path: ..\directory\file.txt |
4792 | | * Local 'relative' path: .\directory\file.txt |
4793 | | * Volume 'absolute' path: C:\directory\file.txt |
4794 | | * C:\..\directory\file.txt |
4795 | | * Volume 'relative' path: C:directory\file.txt |
4796 | | * UNC path: \\server\share\directory\file.txt |
4797 | | * |
4798 | | * Returns 1 if succesful or -1 on error |
4799 | | */ |
4800 | | int libcpath_path_get_full_path_wide( |
4801 | | const wchar_t *path, |
4802 | | size_t path_length, |
4803 | | wchar_t **full_path, |
4804 | | size_t *full_path_size, |
4805 | | libcerror_error_t **error ) |
4806 | | { |
4807 | | libcsplit_wide_split_string_t *current_directory_split_string = NULL; |
4808 | | libcsplit_wide_split_string_t *path_split_string = NULL; |
4809 | | wchar_t *current_directory = NULL; |
4810 | | wchar_t *current_directory_string_segment = NULL; |
4811 | | wchar_t *full_path_prefix = NULL; |
4812 | | wchar_t *last_used_path_string_segment = NULL; |
4813 | | wchar_t *path_string_segment = NULL; |
4814 | | wchar_t *safe_full_path = NULL; |
4815 | | wchar_t *volume_name = NULL; |
4816 | | static char *function = "libcpath_path_get_full_path_wide"; |
4817 | | size_t current_directory_length = 0; |
4818 | | size_t current_directory_name_index = 0; |
4819 | | size_t current_directory_size = 0; |
4820 | | size_t current_directory_string_segment_size = 0; |
4821 | | size_t full_path_index = 0; |
4822 | | size_t full_path_prefix_length = 0; |
4823 | | size_t last_used_path_string_segment_size = 0; |
4824 | | size_t path_directory_name_index = 0; |
4825 | | size_t path_string_segment_length = 0; |
4826 | | size_t path_string_segment_size = 0; |
4827 | | size_t safe_full_path_size = 0; |
4828 | | size_t volume_name_length = 0; |
4829 | | uint8_t path_type = LIBCPATH_TYPE_RELATIVE; |
4830 | | int current_directory_number_of_segments = 0; |
4831 | | int current_directory_segment_index = 0; |
4832 | | int last_used_path_segment_index = -1; |
4833 | | int path_number_of_segments = 0; |
4834 | | int path_segment_index = 0; |
4835 | | int result = 0; |
4836 | | |
4837 | | if( path == NULL ) |
4838 | | { |
4839 | | libcerror_error_set( |
4840 | | error, |
4841 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4842 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4843 | | "%s: invalid path.", |
4844 | | function ); |
4845 | | |
4846 | | return( -1 ); |
4847 | | } |
4848 | | if( ( path_length == 0 ) |
4849 | | || ( path_length > (size_t) ( SSIZE_MAX - 1 ) ) ) |
4850 | | { |
4851 | | libcerror_error_set( |
4852 | | error, |
4853 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4854 | | LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS, |
4855 | | "%s: invalid path length value out of bounds.", |
4856 | | function ); |
4857 | | |
4858 | | return( -1 ); |
4859 | | } |
4860 | | if( full_path == NULL ) |
4861 | | { |
4862 | | libcerror_error_set( |
4863 | | error, |
4864 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4865 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4866 | | "%s: invalid full path.", |
4867 | | function ); |
4868 | | |
4869 | | return( -1 ); |
4870 | | } |
4871 | | if( *full_path != NULL ) |
4872 | | { |
4873 | | libcerror_error_set( |
4874 | | error, |
4875 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4876 | | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
4877 | | "%s: invalid full path value already set.", |
4878 | | function ); |
4879 | | |
4880 | | return( -1 ); |
4881 | | } |
4882 | | if( full_path_size == NULL ) |
4883 | | { |
4884 | | libcerror_error_set( |
4885 | | error, |
4886 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4887 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4888 | | "%s: invalid full path size.", |
4889 | | function ); |
4890 | | |
4891 | | return( -1 ); |
4892 | | } |
4893 | | if( libcpath_path_get_path_type_wide( |
4894 | | path, |
4895 | | path_length, |
4896 | | &path_type, |
4897 | | error ) != 1 ) |
4898 | | { |
4899 | | libcerror_error_set( |
4900 | | error, |
4901 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4902 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
4903 | | "%s: unable to determine path type.", |
4904 | | function ); |
4905 | | |
4906 | | goto on_error; |
4907 | | } |
4908 | | if( libcpath_path_get_volume_name_wide( |
4909 | | path, |
4910 | | path_length, |
4911 | | &volume_name, |
4912 | | &volume_name_length, |
4913 | | &path_directory_name_index, |
4914 | | error ) != 1 ) |
4915 | | { |
4916 | | libcerror_error_set( |
4917 | | error, |
4918 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4919 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
4920 | | "%s: unable to determine volume name.", |
4921 | | function ); |
4922 | | |
4923 | | goto on_error; |
4924 | | } |
4925 | | /* If the path is a device path, an extended-length path or an UNC |
4926 | | * do not bother to lookup the current working directory |
4927 | | */ |
4928 | | if( ( path_type != LIBCPATH_TYPE_DEVICE ) |
4929 | | && ( path_type != LIBCPATH_TYPE_EXTENDED_LENGTH ) |
4930 | | && ( path_type != LIBCPATH_TYPE_EXTENDED_LENGTH_UNC ) |
4931 | | && ( path_type != LIBCPATH_TYPE_UNC ) ) |
4932 | | { |
4933 | | if( volume_name == NULL ) |
4934 | | { |
4935 | | result = libcpath_path_get_current_working_directory_wide( |
4936 | | ¤t_directory, |
4937 | | ¤t_directory_size, |
4938 | | error ); |
4939 | | } |
4940 | | else |
4941 | | { |
4942 | | result = libcpath_path_get_current_working_directory_by_volume_wide( |
4943 | | volume_name, |
4944 | | volume_name_length, |
4945 | | ¤t_directory, |
4946 | | ¤t_directory_size, |
4947 | | error ); |
4948 | | } |
4949 | | if( result != 1 ) |
4950 | | { |
4951 | | libcerror_error_set( |
4952 | | error, |
4953 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4954 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
4955 | | "%s: unable to retrieve current working directory.", |
4956 | | function ); |
4957 | | |
4958 | | goto on_error; |
4959 | | } |
4960 | | if( volume_name == NULL ) |
4961 | | { |
4962 | | /* Determine the volume name using the current working directory if necessary |
4963 | | */ |
4964 | | if( libcpath_path_get_volume_name_wide( |
4965 | | current_directory, |
4966 | | current_directory_size - 1, |
4967 | | &volume_name, |
4968 | | &volume_name_length, |
4969 | | ¤t_directory_name_index, |
4970 | | error ) != 1 ) |
4971 | | { |
4972 | | libcerror_error_set( |
4973 | | error, |
4974 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4975 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
4976 | | "%s: unable to determine volume name from current working directory.", |
4977 | | function ); |
4978 | | |
4979 | | goto on_error; |
4980 | | } |
4981 | | } |
4982 | | } |
4983 | | /* The full path prefix consists of "\\?\" or "\\.\" |
4984 | | */ |
4985 | | full_path_prefix_length = 4; |
4986 | | |
4987 | | if( volume_name != NULL ) |
4988 | | { |
4989 | | /* Add the volume or device name |
4990 | | */ |
4991 | | full_path_prefix_length += volume_name_length; |
4992 | | } |
4993 | | if( ( path_type == LIBCPATH_TYPE_EXTENDED_LENGTH_UNC ) |
4994 | | || ( path_type == LIBCPATH_TYPE_UNC ) ) |
4995 | | { |
4996 | | /* Add the "UNC\" prefix |
4997 | | */ |
4998 | | full_path_prefix_length += 4; |
4999 | | } |
5000 | | if( ( current_directory != NULL ) |
5001 | | && ( current_directory_name_index < current_directory_size ) ) |
5002 | | { |
5003 | | current_directory_length = wide_string_length( |
5004 | | &( current_directory[ current_directory_name_index ] ) ); |
5005 | | |
5006 | | if( libcsplit_wide_string_split( |
5007 | | &( current_directory[ current_directory_name_index ] ), |
5008 | | current_directory_length + 1, |
5009 | | (wchar_t) '\\', |
5010 | | ¤t_directory_split_string, |
5011 | | error ) != 1 ) |
5012 | | { |
5013 | | libcerror_error_set( |
5014 | | error, |
5015 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5016 | | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
5017 | | "%s: unable to split current working directory.", |
5018 | | function ); |
5019 | | |
5020 | | goto on_error; |
5021 | | } |
5022 | | if( libcsplit_wide_split_string_get_number_of_segments( |
5023 | | current_directory_split_string, |
5024 | | ¤t_directory_number_of_segments, |
5025 | | error ) != 1 ) |
5026 | | { |
5027 | | libcerror_error_set( |
5028 | | error, |
5029 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5030 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
5031 | | "%s: unable to retrieve number of current working directory string segments.", |
5032 | | function ); |
5033 | | |
5034 | | goto on_error; |
5035 | | } |
5036 | | current_directory_segment_index = current_directory_number_of_segments - 1; |
5037 | | |
5038 | | if( path_type == LIBCPATH_TYPE_RELATIVE ) |
5039 | | { |
5040 | | /* If the path is relative |
5041 | | * add the size of the current working directory |
5042 | | * a directory separator, if necessary |
5043 | | */ |
5044 | | safe_full_path_size += ( current_directory_size - ( current_directory_name_index + 1 ) ); |
5045 | | |
5046 | | if( ( current_directory_size >= 2 ) |
5047 | | && ( current_directory[ current_directory_size - 2 ] != (wchar_t) '\\' ) ) |
5048 | | { |
5049 | | safe_full_path_size += 1; |
5050 | | } |
5051 | | } |
5052 | | } |
5053 | | if( libcsplit_wide_string_split( |
5054 | | &( path[ path_directory_name_index ] ), |
5055 | | path_length - path_directory_name_index + 1, |
5056 | | (wchar_t) '\\', |
5057 | | &path_split_string, |
5058 | | error ) != 1 ) |
5059 | | { |
5060 | | libcerror_error_set( |
5061 | | error, |
5062 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5063 | | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
5064 | | "%s: unable to split path.", |
5065 | | function ); |
5066 | | |
5067 | | goto on_error; |
5068 | | } |
5069 | | if( path_split_string != NULL ) |
5070 | | { |
5071 | | if( libcsplit_wide_split_string_get_number_of_segments( |
5072 | | path_split_string, |
5073 | | &path_number_of_segments, |
5074 | | error ) != 1 ) |
5075 | | { |
5076 | | libcerror_error_set( |
5077 | | error, |
5078 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5079 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
5080 | | "%s: unable to retrieve number of path string segments.", |
5081 | | function ); |
5082 | | |
5083 | | goto on_error; |
5084 | | } |
5085 | | for( path_segment_index = 0; |
5086 | | path_segment_index < path_number_of_segments; |
5087 | | path_segment_index++ ) |
5088 | | { |
5089 | | if( libcsplit_wide_split_string_get_segment_by_index( |
5090 | | path_split_string, |
5091 | | path_segment_index, |
5092 | | &path_string_segment, |
5093 | | &path_string_segment_size, |
5094 | | error ) != 1 ) |
5095 | | { |
5096 | | libcerror_error_set( |
5097 | | error, |
5098 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5099 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
5100 | | "%s: unable to retrieve path string segment: %d.", |
5101 | | function, |
5102 | | path_segment_index ); |
5103 | | |
5104 | | goto on_error; |
5105 | | } |
5106 | | if( path_string_segment == NULL ) |
5107 | | { |
5108 | | libcerror_error_set( |
5109 | | error, |
5110 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5111 | | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
5112 | | "%s: missing path string segment: %d.", |
5113 | | function, |
5114 | | path_segment_index ); |
5115 | | |
5116 | | goto on_error; |
5117 | | } |
5118 | | /* If the path is "" (empty) or "." (current) ignore the entry |
5119 | | */ |
5120 | | if( ( path_string_segment_size <= 1 ) |
5121 | | || ( ( path_string_segment_size == 2 ) |
5122 | | && ( path_string_segment[ 0 ] == (wchar_t) '.' ) ) ) |
5123 | | { |
5124 | | if( libcsplit_wide_split_string_set_segment_by_index( |
5125 | | path_split_string, |
5126 | | path_segment_index, |
5127 | | NULL, |
5128 | | 0, |
5129 | | error ) != 1 ) |
5130 | | { |
5131 | | libcerror_error_set( |
5132 | | error, |
5133 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5134 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
5135 | | "%s: unable to set path string segment: %d.", |
5136 | | function, |
5137 | | path_segment_index ); |
5138 | | |
5139 | | goto on_error; |
5140 | | } |
5141 | | } |
5142 | | /* If the path is ".." (parent) reverse the current path by one directory |
5143 | | */ |
5144 | | else if( ( path_string_segment_size == 3 ) |
5145 | | && ( path_string_segment[ 0 ] == (wchar_t) '.' ) |
5146 | | && ( path_string_segment[ 1 ] == (wchar_t) '.' ) ) |
5147 | | { |
5148 | | if( ( current_directory_split_string != NULL ) |
5149 | | && ( last_used_path_segment_index == -1 ) ) |
5150 | | { |
5151 | | if( libcsplit_wide_split_string_get_segment_by_index( |
5152 | | current_directory_split_string, |
5153 | | current_directory_segment_index, |
5154 | | ¤t_directory_string_segment, |
5155 | | ¤t_directory_string_segment_size, |
5156 | | error ) != 1 ) |
5157 | | { |
5158 | | libcerror_error_set( |
5159 | | error, |
5160 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5161 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
5162 | | "%s: unable to retrieve current working directory string segment: %d.", |
5163 | | function, |
5164 | | current_directory_segment_index ); |
5165 | | |
5166 | | goto on_error; |
5167 | | } |
5168 | | if( current_directory_string_segment == NULL ) |
5169 | | { |
5170 | | libcerror_error_set( |
5171 | | error, |
5172 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5173 | | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
5174 | | "%s: missing current working directory string segment: %d.", |
5175 | | function, |
5176 | | current_directory_segment_index ); |
5177 | | |
5178 | | goto on_error; |
5179 | | } |
5180 | | /* Remove the size of the parent directory name and a directory separator |
5181 | | * Note that the size includes the end of string character |
5182 | | */ |
5183 | | if( current_directory_string_segment_size < safe_full_path_size ) |
5184 | | { |
5185 | | safe_full_path_size -= current_directory_string_segment_size; |
5186 | | } |
5187 | | else |
5188 | | { |
5189 | | safe_full_path_size = 0; |
5190 | | } |
5191 | | if( libcsplit_wide_split_string_set_segment_by_index( |
5192 | | current_directory_split_string, |
5193 | | current_directory_segment_index, |
5194 | | NULL, |
5195 | | 0, |
5196 | | error ) != 1 ) |
5197 | | { |
5198 | | libcerror_error_set( |
5199 | | error, |
5200 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5201 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
5202 | | "%s: unable to set current working directory string segment: %d.", |
5203 | | function, |
5204 | | current_directory_segment_index ); |
5205 | | |
5206 | | goto on_error; |
5207 | | } |
5208 | | current_directory_segment_index--; |
5209 | | } |
5210 | | else if( last_used_path_segment_index >= 0 ) |
5211 | | { |
5212 | | if( libcsplit_wide_split_string_get_segment_by_index( |
5213 | | path_split_string, |
5214 | | last_used_path_segment_index, |
5215 | | &last_used_path_string_segment, |
5216 | | &last_used_path_string_segment_size, |
5217 | | error ) != 1 ) |
5218 | | { |
5219 | | libcerror_error_set( |
5220 | | error, |
5221 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5222 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
5223 | | "%s: unable to retrieve last used path string segment: %d.", |
5224 | | function, |
5225 | | last_used_path_segment_index ); |
5226 | | |
5227 | | goto on_error; |
5228 | | } |
5229 | | if( last_used_path_string_segment == NULL ) |
5230 | | { |
5231 | | libcerror_error_set( |
5232 | | error, |
5233 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5234 | | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
5235 | | "%s: missing last used path string string segment: %d.", |
5236 | | function, |
5237 | | last_used_path_segment_index ); |
5238 | | |
5239 | | goto on_error; |
5240 | | } |
5241 | | /* Remove the size of the parent directory name and a directory separator |
5242 | | * Note that the size includes the end of string character |
5243 | | */ |
5244 | | if( last_used_path_string_segment_size < safe_full_path_size ) |
5245 | | { |
5246 | | safe_full_path_size -= last_used_path_string_segment_size; |
5247 | | } |
5248 | | else |
5249 | | { |
5250 | | safe_full_path_size = 0; |
5251 | | } |
5252 | | if( libcsplit_wide_split_string_set_segment_by_index( |
5253 | | path_split_string, |
5254 | | last_used_path_segment_index, |
5255 | | NULL, |
5256 | | 0, |
5257 | | error ) != 1 ) |
5258 | | { |
5259 | | libcerror_error_set( |
5260 | | error, |
5261 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5262 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
5263 | | "%s: unable to set path string segment: %d.", |
5264 | | function, |
5265 | | last_used_path_segment_index ); |
5266 | | |
5267 | | goto on_error; |
5268 | | } |
5269 | | /* Find the previous path split value that contains a name |
5270 | | */ |
5271 | | while( last_used_path_segment_index > 0 ) |
5272 | | { |
5273 | | last_used_path_segment_index--; |
5274 | | |
5275 | | if( libcsplit_wide_split_string_get_segment_by_index( |
5276 | | path_split_string, |
5277 | | last_used_path_segment_index, |
5278 | | &last_used_path_string_segment, |
5279 | | &last_used_path_string_segment_size, |
5280 | | error ) != 1 ) |
5281 | | { |
5282 | | libcerror_error_set( |
5283 | | error, |
5284 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5285 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
5286 | | "%s: unable to retrieve last used path string segment: %d.", |
5287 | | function, |
5288 | | last_used_path_segment_index ); |
5289 | | |
5290 | | goto on_error; |
5291 | | } |
5292 | | if( last_used_path_string_segment_size != 0 ) |
5293 | | { |
5294 | | break; |
5295 | | } |
5296 | | } |
5297 | | } |
5298 | | if( libcsplit_wide_split_string_set_segment_by_index( |
5299 | | path_split_string, |
5300 | | path_segment_index, |
5301 | | NULL, |
5302 | | 0, |
5303 | | error ) != 1 ) |
5304 | | { |
5305 | | libcerror_error_set( |
5306 | | error, |
5307 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5308 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
5309 | | "%s: unable to set path string segment: %d.", |
5310 | | function, |
5311 | | path_segment_index ); |
5312 | | |
5313 | | goto on_error; |
5314 | | } |
5315 | | } |
5316 | | else |
5317 | | { |
5318 | | /* Add the size of the directory or file name and a directory separator |
5319 | | * Note that the size includes the end of string character |
5320 | | */ |
5321 | | safe_full_path_size += path_string_segment_size; |
5322 | | |
5323 | | last_used_path_segment_index = path_segment_index; |
5324 | | } |
5325 | | } |
5326 | | /* Use the size reserved of the last directory separator for |
5327 | | * the directory separator after the path prefix. |
5328 | | */ |
5329 | | } |
5330 | | safe_full_path_size += full_path_prefix_length + 1; |
5331 | | |
5332 | | full_path_index = 0; |
5333 | | |
5334 | | safe_full_path = wide_string_allocate( |
5335 | | safe_full_path_size ); |
5336 | | |
5337 | | if( safe_full_path == NULL ) |
5338 | | { |
5339 | | libcerror_error_set( |
5340 | | error, |
5341 | | LIBCERROR_ERROR_DOMAIN_MEMORY, |
5342 | | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
5343 | | "%s: unable to create full path.", |
5344 | | function ); |
5345 | | |
5346 | | goto on_error; |
5347 | | } |
5348 | | if( memory_set( |
5349 | | safe_full_path, |
5350 | | 0, |
5351 | | sizeof( wchar_t ) * safe_full_path_size ) == NULL ) |
5352 | | { |
5353 | | libcerror_error_set( |
5354 | | error, |
5355 | | LIBCERROR_ERROR_DOMAIN_MEMORY, |
5356 | | LIBCERROR_MEMORY_ERROR_SET_FAILED, |
5357 | | "%s: unable to clear full path.", |
5358 | | function ); |
5359 | | |
5360 | | goto on_error; |
5361 | | } |
5362 | | if( path_type == LIBCPATH_TYPE_DEVICE ) |
5363 | | { |
5364 | | full_path_prefix = L"\\\\.\\"; |
5365 | | full_path_prefix_length = 4; |
5366 | | } |
5367 | | else |
5368 | | { |
5369 | | full_path_prefix = L"\\\\?\\"; |
5370 | | full_path_prefix_length = 4; |
5371 | | } |
5372 | | if( full_path_prefix_length > ( safe_full_path_size - full_path_index ) ) |
5373 | | { |
5374 | | libcerror_error_set( |
5375 | | error, |
5376 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
5377 | | LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS, |
5378 | | "%s: invalid full path size value out of bounds.", |
5379 | | function ); |
5380 | | |
5381 | | goto on_error; |
5382 | | } |
5383 | | if( wide_string_copy( |
5384 | | &( safe_full_path[ full_path_index ] ), |
5385 | | full_path_prefix, |
5386 | | full_path_prefix_length ) == NULL ) |
5387 | | { |
5388 | | libcerror_error_set( |
5389 | | error, |
5390 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5391 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
5392 | | "%s: unable to set prefix in full path.", |
5393 | | function ); |
5394 | | |
5395 | | goto on_error; |
5396 | | } |
5397 | | full_path_index += full_path_prefix_length; |
5398 | | |
5399 | | /* If there is a share name the path is an UNC path |
5400 | | */ |
5401 | | if( ( path_type == LIBCPATH_TYPE_EXTENDED_LENGTH_UNC ) |
5402 | | || ( path_type == LIBCPATH_TYPE_UNC ) ) |
5403 | | { |
5404 | | if( ( safe_full_path_size - full_path_index ) < 4 ) |
5405 | | { |
5406 | | libcerror_error_set( |
5407 | | error, |
5408 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
5409 | | LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS, |
5410 | | "%s: invalid full path size value out of bounds.", |
5411 | | function ); |
5412 | | |
5413 | | goto on_error; |
5414 | | } |
5415 | | if( wide_string_copy( |
5416 | | &( safe_full_path[ full_path_index ] ), |
5417 | | L"UNC\\", |
5418 | | 4 ) == NULL ) |
5419 | | { |
5420 | | libcerror_error_set( |
5421 | | error, |
5422 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5423 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
5424 | | "%s: unable to set UNC\\ prefix in full path.", |
5425 | | function ); |
5426 | | |
5427 | | goto on_error; |
5428 | | } |
5429 | | full_path_index += 4; |
5430 | | } |
5431 | | if( volume_name != NULL ) |
5432 | | { |
5433 | | if( volume_name_length > ( safe_full_path_size - full_path_index ) ) |
5434 | | { |
5435 | | libcerror_error_set( |
5436 | | error, |
5437 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
5438 | | LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS, |
5439 | | "%s: invalid full path size value out of bounds.", |
5440 | | function ); |
5441 | | |
5442 | | goto on_error; |
5443 | | } |
5444 | | if( wide_string_copy( |
5445 | | &( safe_full_path[ full_path_index ] ), |
5446 | | volume_name, |
5447 | | volume_name_length ) == NULL ) |
5448 | | { |
5449 | | libcerror_error_set( |
5450 | | error, |
5451 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5452 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
5453 | | "%s: unable to set volume name in full path.", |
5454 | | function ); |
5455 | | |
5456 | | goto on_error; |
5457 | | } |
5458 | | full_path_index += volume_name_length; |
5459 | | |
5460 | | safe_full_path[ full_path_index ] = (wchar_t) '\\'; |
5461 | | |
5462 | | full_path_index += 1; |
5463 | | } |
5464 | | /* If the path is relative |
5465 | | * add the current working directory elements |
5466 | | */ |
5467 | | if( ( path_type == LIBCPATH_TYPE_RELATIVE ) |
5468 | | && ( current_directory_split_string != NULL ) ) |
5469 | | { |
5470 | | for( current_directory_segment_index = 0; |
5471 | | current_directory_segment_index < current_directory_number_of_segments; |
5472 | | current_directory_segment_index++ ) |
5473 | | { |
5474 | | if( libcsplit_wide_split_string_get_segment_by_index( |
5475 | | current_directory_split_string, |
5476 | | current_directory_segment_index, |
5477 | | ¤t_directory_string_segment, |
5478 | | ¤t_directory_string_segment_size, |
5479 | | error ) != 1 ) |
5480 | | { |
5481 | | libcerror_error_set( |
5482 | | error, |
5483 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5484 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
5485 | | "%s: unable to retrieve current working directory string segment: %d.", |
5486 | | function, |
5487 | | current_directory_segment_index ); |
5488 | | |
5489 | | goto on_error; |
5490 | | } |
5491 | | if( current_directory_string_segment_size != 0 ) |
5492 | | { |
5493 | | if( current_directory_string_segment == NULL ) |
5494 | | { |
5495 | | libcerror_error_set( |
5496 | | error, |
5497 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5498 | | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
5499 | | "%s: missing current working directory string segment: %d.", |
5500 | | function, |
5501 | | current_directory_segment_index ); |
5502 | | |
5503 | | goto on_error; |
5504 | | } |
5505 | | /* Note that here we should have room for the segment string and |
5506 | | * one additional character |
5507 | | */ |
5508 | | if( current_directory_string_segment_size > ( safe_full_path_size - full_path_index ) ) |
5509 | | { |
5510 | | libcerror_error_set( |
5511 | | error, |
5512 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5513 | | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
5514 | | "%s: invalid current working directory string segment: %d size value out of bounds.", |
5515 | | function, |
5516 | | current_directory_segment_index ); |
5517 | | |
5518 | | goto on_error; |
5519 | | } |
5520 | | path_string_segment_length = current_directory_string_segment_size - 1; |
5521 | | |
5522 | | if( wide_string_copy( |
5523 | | &( safe_full_path[ full_path_index ] ), |
5524 | | current_directory_string_segment, |
5525 | | path_string_segment_length ) == NULL ) |
5526 | | { |
5527 | | libcerror_error_set( |
5528 | | error, |
5529 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5530 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
5531 | | "%s: unable to set current working directory split value: %d in full path.", |
5532 | | function, |
5533 | | current_directory_segment_index ); |
5534 | | |
5535 | | goto on_error; |
5536 | | } |
5537 | | full_path_index += path_string_segment_length; |
5538 | | |
5539 | | safe_full_path[ full_path_index ] = (wchar_t) '\\'; |
5540 | | |
5541 | | full_path_index += 1; |
5542 | | } |
5543 | | } |
5544 | | } |
5545 | | if( path_split_string != NULL ) |
5546 | | { |
5547 | | for( path_segment_index = 0; |
5548 | | path_segment_index < path_number_of_segments; |
5549 | | path_segment_index++ ) |
5550 | | { |
5551 | | if( libcsplit_wide_split_string_get_segment_by_index( |
5552 | | path_split_string, |
5553 | | path_segment_index, |
5554 | | &path_string_segment, |
5555 | | &path_string_segment_size, |
5556 | | error ) != 1 ) |
5557 | | { |
5558 | | libcerror_error_set( |
5559 | | error, |
5560 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5561 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
5562 | | "%s: unable to retrieve path string segment: %d.", |
5563 | | function, |
5564 | | path_segment_index ); |
5565 | | |
5566 | | goto on_error; |
5567 | | } |
5568 | | if( path_string_segment_size != 0 ) |
5569 | | { |
5570 | | if( path_string_segment == NULL ) |
5571 | | { |
5572 | | libcerror_error_set( |
5573 | | error, |
5574 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5575 | | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
5576 | | "%s: missing path string segment: %d.", |
5577 | | function, |
5578 | | path_segment_index ); |
5579 | | |
5580 | | goto on_error; |
5581 | | } |
5582 | | /* Note that here we should have room for the segment string and |
5583 | | * one additional character |
5584 | | */ |
5585 | | if( path_string_segment_size > ( safe_full_path_size - full_path_index ) ) |
5586 | | { |
5587 | | libcerror_error_set( |
5588 | | error, |
5589 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5590 | | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
5591 | | "%s: invalid current path string segment: %d size value out of bounds.", |
5592 | | function, |
5593 | | path_segment_index ); |
5594 | | |
5595 | | goto on_error; |
5596 | | } |
5597 | | path_string_segment_length = path_string_segment_size - 1; |
5598 | | |
5599 | | if( wide_string_copy( |
5600 | | &( safe_full_path[ full_path_index ] ), |
5601 | | path_string_segment, |
5602 | | path_string_segment_length ) == NULL ) |
5603 | | { |
5604 | | libcerror_error_set( |
5605 | | error, |
5606 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5607 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
5608 | | "%s: unable to set path split value: %d in full path.", |
5609 | | function, |
5610 | | path_segment_index ); |
5611 | | |
5612 | | goto on_error; |
5613 | | } |
5614 | | full_path_index += path_string_segment_length; |
5615 | | |
5616 | | safe_full_path[ full_path_index ] = (wchar_t) '\\'; |
5617 | | |
5618 | | full_path_index += 1; |
5619 | | } |
5620 | | } |
5621 | | } |
5622 | | safe_full_path[ full_path_index - 1 ] = 0; |
5623 | | |
5624 | | if( path_split_string != NULL ) |
5625 | | { |
5626 | | if( libcsplit_wide_split_string_free( |
5627 | | &path_split_string, |
5628 | | error ) != 1 ) |
5629 | | { |
5630 | | libcerror_error_set( |
5631 | | error, |
5632 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5633 | | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
5634 | | "%s: unable to free path split string.", |
5635 | | function ); |
5636 | | |
5637 | | goto on_error; |
5638 | | } |
5639 | | } |
5640 | | if( current_directory_split_string != NULL ) |
5641 | | { |
5642 | | if( libcsplit_wide_split_string_free( |
5643 | | ¤t_directory_split_string, |
5644 | | error ) != 1 ) |
5645 | | { |
5646 | | libcerror_error_set( |
5647 | | error, |
5648 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5649 | | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
5650 | | "%s: unable to free current working directory split string.", |
5651 | | function ); |
5652 | | |
5653 | | goto on_error; |
5654 | | } |
5655 | | } |
5656 | | if( current_directory != NULL ) |
5657 | | { |
5658 | | memory_free( |
5659 | | current_directory ); |
5660 | | } |
5661 | | *full_path = safe_full_path; |
5662 | | *full_path_size = safe_full_path_size; |
5663 | | |
5664 | | return( 1 ); |
5665 | | |
5666 | | on_error: |
5667 | | if( safe_full_path != NULL ) |
5668 | | { |
5669 | | memory_free( |
5670 | | safe_full_path ); |
5671 | | } |
5672 | | if( path_split_string != NULL ) |
5673 | | { |
5674 | | libcsplit_wide_split_string_free( |
5675 | | &path_split_string, |
5676 | | NULL ); |
5677 | | } |
5678 | | if( current_directory_split_string != NULL ) |
5679 | | { |
5680 | | libcsplit_wide_split_string_free( |
5681 | | ¤t_directory_split_string, |
5682 | | NULL ); |
5683 | | } |
5684 | | if( current_directory != NULL ) |
5685 | | { |
5686 | | memory_free( |
5687 | | current_directory ); |
5688 | | } |
5689 | | return( -1 ); |
5690 | | } |
5691 | | |
5692 | | #else |
5693 | | |
5694 | | /* Determines the full path of the POSIX path specified |
5695 | | * Multiple successive / are combined into one |
5696 | | * |
5697 | | * Scenarios: |
5698 | | * /home/user/file.txt |
5699 | | * /home/user//file.txt |
5700 | | * /home/user/../user/file.txt |
5701 | | * /../home/user/file.txt |
5702 | | * user/../user/file.txt |
5703 | | * |
5704 | | * Returns 1 if succesful or -1 on error |
5705 | | */ |
5706 | | int libcpath_path_get_full_path_wide( |
5707 | | const wchar_t *path, |
5708 | | size_t path_length, |
5709 | | wchar_t **full_path, |
5710 | | size_t *full_path_size, |
5711 | | libcerror_error_t **error ) |
5712 | | { |
5713 | | libcsplit_wide_split_string_t *current_directory_split_string = NULL; |
5714 | | libcsplit_wide_split_string_t *path_split_string = NULL; |
5715 | | wchar_t *current_directory = NULL; |
5716 | | wchar_t *current_directory_string_segment = NULL; |
5717 | | wchar_t *last_used_path_string_segment = NULL; |
5718 | | wchar_t *path_string_segment = NULL; |
5719 | | wchar_t *safe_full_path = NULL; |
5720 | | static char *function = "libcpath_path_get_full_path_wide"; |
5721 | | size_t current_directory_length = 0; |
5722 | | size_t current_directory_size = 0; |
5723 | | size_t current_directory_string_segment_size = 0; |
5724 | | size_t full_path_index = 0; |
5725 | | size_t full_path_prefix_length = 0; |
5726 | | size_t last_used_path_string_segment_size = 0; |
5727 | | size_t path_string_segment_length = 0; |
5728 | | size_t path_string_segment_size = 0; |
5729 | | size_t safe_full_path_size = 0; |
5730 | | uint8_t path_type = LIBCPATH_TYPE_RELATIVE; |
5731 | | int current_directory_number_of_segments = 0; |
5732 | | int current_directory_segment_index = 0; |
5733 | | int last_used_path_segment_index = -1; |
5734 | | int path_number_of_segments = 0; |
5735 | | int path_segment_index = 0; |
5736 | | |
5737 | | if( path == NULL ) |
5738 | | { |
5739 | | libcerror_error_set( |
5740 | | error, |
5741 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
5742 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
5743 | | "%s: invalid path.", |
5744 | | function ); |
5745 | | |
5746 | | return( -1 ); |
5747 | | } |
5748 | | if( ( path_length == 0 ) |
5749 | | || ( path_length > (size_t) ( SSIZE_MAX - 1 ) ) ) |
5750 | | { |
5751 | | libcerror_error_set( |
5752 | | error, |
5753 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
5754 | | LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS, |
5755 | | "%s: invalid path length value out of bounds.", |
5756 | | function ); |
5757 | | |
5758 | | return( -1 ); |
5759 | | } |
5760 | | if( full_path == NULL ) |
5761 | | { |
5762 | | libcerror_error_set( |
5763 | | error, |
5764 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
5765 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
5766 | | "%s: invalid full path.", |
5767 | | function ); |
5768 | | |
5769 | | return( -1 ); |
5770 | | } |
5771 | | if( *full_path != NULL ) |
5772 | | { |
5773 | | libcerror_error_set( |
5774 | | error, |
5775 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5776 | | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
5777 | | "%s: invalid full path value already set.", |
5778 | | function ); |
5779 | | |
5780 | | return( -1 ); |
5781 | | } |
5782 | | if( full_path_size == NULL ) |
5783 | | { |
5784 | | libcerror_error_set( |
5785 | | error, |
5786 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
5787 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
5788 | | "%s: invalid full path size.", |
5789 | | function ); |
5790 | | |
5791 | | return( -1 ); |
5792 | | } |
5793 | | /* Determine the full path size |
5794 | | */ |
5795 | | if( path[ 0 ] == (wchar_t) '/' ) |
5796 | | { |
5797 | | path_type = LIBCPATH_TYPE_ABSOLUTE; |
5798 | | |
5799 | | /* If the path is absolute |
5800 | | * a directory separator |
5801 | | */ |
5802 | | full_path_prefix_length = 1; |
5803 | | } |
5804 | | else |
5805 | | { |
5806 | | if( libcpath_path_get_current_working_directory_wide( |
5807 | | ¤t_directory, |
5808 | | ¤t_directory_size, |
5809 | | error ) != 1 ) |
5810 | | { |
5811 | | libcerror_error_set( |
5812 | | error, |
5813 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5814 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
5815 | | "%s: unable to retrieve current working directory.", |
5816 | | function ); |
5817 | | |
5818 | | goto on_error; |
5819 | | } |
5820 | | if( current_directory == NULL ) |
5821 | | { |
5822 | | libcerror_error_set( |
5823 | | error, |
5824 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5825 | | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
5826 | | "%s: missing current working directory.", |
5827 | | function ); |
5828 | | |
5829 | | goto on_error; |
5830 | | } |
5831 | | /* We need to use the length here since current_directory_size will be PATH_MAX |
5832 | | */ |
5833 | | current_directory_length = wide_string_length( |
5834 | | current_directory ); |
5835 | | |
5836 | | if( libcsplit_wide_string_split( |
5837 | | current_directory, |
5838 | | current_directory_length + 1, |
5839 | | (wchar_t) '/', |
5840 | | ¤t_directory_split_string, |
5841 | | error ) != 1 ) |
5842 | | { |
5843 | | libcerror_error_set( |
5844 | | error, |
5845 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5846 | | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
5847 | | "%s: unable to split current working directory.", |
5848 | | function ); |
5849 | | |
5850 | | goto on_error; |
5851 | | } |
5852 | | if( libcsplit_wide_split_string_get_number_of_segments( |
5853 | | current_directory_split_string, |
5854 | | ¤t_directory_number_of_segments, |
5855 | | error ) != 1 ) |
5856 | | { |
5857 | | libcerror_error_set( |
5858 | | error, |
5859 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5860 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
5861 | | "%s: unable to retrieve number of current working directory string segments.", |
5862 | | function ); |
5863 | | |
5864 | | goto on_error; |
5865 | | } |
5866 | | current_directory_segment_index = current_directory_number_of_segments - 1; |
5867 | | |
5868 | | /* If the path is relative |
5869 | | * add the size of the current working directory |
5870 | | * a directory separator, if necessary |
5871 | | */ |
5872 | | safe_full_path_size = current_directory_length; |
5873 | | |
5874 | | if( ( current_directory_length >= 1 ) |
5875 | | && ( current_directory[ current_directory_length - 1 ] != (wchar_t) '/' ) ) |
5876 | | { |
5877 | | safe_full_path_size++; |
5878 | | } |
5879 | | } |
5880 | | if( libcsplit_wide_string_split( |
5881 | | path, |
5882 | | path_length + 1, |
5883 | | (wchar_t) '/', |
5884 | | &path_split_string, |
5885 | | error ) != 1 ) |
5886 | | { |
5887 | | libcerror_error_set( |
5888 | | error, |
5889 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5890 | | LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED, |
5891 | | "%s: unable to split path.", |
5892 | | function ); |
5893 | | |
5894 | | goto on_error; |
5895 | | } |
5896 | | if( path_split_string != NULL ) |
5897 | | { |
5898 | | if( libcsplit_wide_split_string_get_number_of_segments( |
5899 | | path_split_string, |
5900 | | &path_number_of_segments, |
5901 | | error ) != 1 ) |
5902 | | { |
5903 | | libcerror_error_set( |
5904 | | error, |
5905 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5906 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
5907 | | "%s: unable to retrieve number of path string segments.", |
5908 | | function ); |
5909 | | |
5910 | | goto on_error; |
5911 | | } |
5912 | | for( path_segment_index = 0; |
5913 | | path_segment_index < path_number_of_segments; |
5914 | | path_segment_index++ ) |
5915 | | { |
5916 | | if( libcsplit_wide_split_string_get_segment_by_index( |
5917 | | path_split_string, |
5918 | | path_segment_index, |
5919 | | &path_string_segment, |
5920 | | &path_string_segment_size, |
5921 | | error ) != 1 ) |
5922 | | { |
5923 | | libcerror_error_set( |
5924 | | error, |
5925 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5926 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
5927 | | "%s: unable to retrieve path string segment: %d.", |
5928 | | function, |
5929 | | path_segment_index ); |
5930 | | |
5931 | | goto on_error; |
5932 | | } |
5933 | | if( path_string_segment == NULL ) |
5934 | | { |
5935 | | libcerror_error_set( |
5936 | | error, |
5937 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5938 | | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
5939 | | "%s: missing path string segment: %d.", |
5940 | | function, |
5941 | | path_segment_index ); |
5942 | | |
5943 | | goto on_error; |
5944 | | } |
5945 | | /* If the path is "" (empty) or "." (current) ignore the entry |
5946 | | */ |
5947 | | if( ( path_string_segment_size <= 1 ) |
5948 | | || ( ( path_string_segment_size == 2 ) |
5949 | | && ( path_string_segment[ 0 ] == (wchar_t) '.' ) ) ) |
5950 | | { |
5951 | | if( libcsplit_wide_split_string_set_segment_by_index( |
5952 | | path_split_string, |
5953 | | path_segment_index, |
5954 | | NULL, |
5955 | | 0, |
5956 | | error ) != 1 ) |
5957 | | { |
5958 | | libcerror_error_set( |
5959 | | error, |
5960 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5961 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
5962 | | "%s: unable to set path string segment: %d.", |
5963 | | function, |
5964 | | path_segment_index ); |
5965 | | |
5966 | | goto on_error; |
5967 | | } |
5968 | | } |
5969 | | /* If the path is ".." (parent) reverse the current path by one directory |
5970 | | */ |
5971 | | else if( ( path_string_segment_size == 3 ) |
5972 | | && ( path_string_segment[ 0 ] == (wchar_t) '.' ) |
5973 | | && ( path_string_segment[ 1 ] == (wchar_t) '.' ) ) |
5974 | | { |
5975 | | if( ( current_directory_split_string != NULL ) |
5976 | | && ( last_used_path_segment_index == -1 ) ) |
5977 | | { |
5978 | | if( libcsplit_wide_split_string_get_segment_by_index( |
5979 | | current_directory_split_string, |
5980 | | current_directory_segment_index, |
5981 | | ¤t_directory_string_segment, |
5982 | | ¤t_directory_string_segment_size, |
5983 | | error ) != 1 ) |
5984 | | { |
5985 | | libcerror_error_set( |
5986 | | error, |
5987 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5988 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
5989 | | "%s: unable to retrieve current working directory string segment: %d.", |
5990 | | function, |
5991 | | current_directory_segment_index ); |
5992 | | |
5993 | | goto on_error; |
5994 | | } |
5995 | | if( current_directory_string_segment == NULL ) |
5996 | | { |
5997 | | libcerror_error_set( |
5998 | | error, |
5999 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
6000 | | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
6001 | | "%s: missing current working directory string segment: %d.", |
6002 | | function, |
6003 | | current_directory_segment_index ); |
6004 | | |
6005 | | goto on_error; |
6006 | | } |
6007 | | /* Remove the size of the parent directory name and a directory separator |
6008 | | * Note that the size includes the end of string character |
6009 | | */ |
6010 | | if( current_directory_string_segment_size < safe_full_path_size ) |
6011 | | { |
6012 | | safe_full_path_size -= current_directory_string_segment_size; |
6013 | | } |
6014 | | else |
6015 | | { |
6016 | | safe_full_path_size = 0; |
6017 | | } |
6018 | | if( libcsplit_wide_split_string_set_segment_by_index( |
6019 | | current_directory_split_string, |
6020 | | current_directory_segment_index, |
6021 | | NULL, |
6022 | | 0, |
6023 | | error ) != 1 ) |
6024 | | { |
6025 | | libcerror_error_set( |
6026 | | error, |
6027 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
6028 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
6029 | | "%s: unable to set current working directory string segment: %d.", |
6030 | | function, |
6031 | | current_directory_segment_index ); |
6032 | | |
6033 | | goto on_error; |
6034 | | } |
6035 | | current_directory_segment_index--; |
6036 | | } |
6037 | | else if( last_used_path_segment_index >= 0 ) |
6038 | | { |
6039 | | if( libcsplit_wide_split_string_get_segment_by_index( |
6040 | | path_split_string, |
6041 | | last_used_path_segment_index, |
6042 | | &last_used_path_string_segment, |
6043 | | &last_used_path_string_segment_size, |
6044 | | error ) != 1 ) |
6045 | | { |
6046 | | libcerror_error_set( |
6047 | | error, |
6048 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
6049 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
6050 | | "%s: unable to retrieve last used path string segment: %d.", |
6051 | | function, |
6052 | | last_used_path_segment_index ); |
6053 | | |
6054 | | goto on_error; |
6055 | | } |
6056 | | if( last_used_path_string_segment == NULL ) |
6057 | | { |
6058 | | libcerror_error_set( |
6059 | | error, |
6060 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
6061 | | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
6062 | | "%s: missing last used path string string segment: %d.", |
6063 | | function, |
6064 | | last_used_path_segment_index ); |
6065 | | |
6066 | | goto on_error; |
6067 | | } |
6068 | | /* Remove the size of the parent directory name and a directory separator |
6069 | | * Note that the size includes the end of string character |
6070 | | */ |
6071 | | if( last_used_path_string_segment_size < safe_full_path_size ) |
6072 | | { |
6073 | | safe_full_path_size -= last_used_path_string_segment_size; |
6074 | | } |
6075 | | else |
6076 | | { |
6077 | | safe_full_path_size = 0; |
6078 | | } |
6079 | | if( libcsplit_wide_split_string_set_segment_by_index( |
6080 | | path_split_string, |
6081 | | last_used_path_segment_index, |
6082 | | NULL, |
6083 | | 0, |
6084 | | error ) != 1 ) |
6085 | | { |
6086 | | libcerror_error_set( |
6087 | | error, |
6088 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
6089 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
6090 | | "%s: unable to set path string segment: %d.", |
6091 | | function, |
6092 | | last_used_path_segment_index ); |
6093 | | |
6094 | | goto on_error; |
6095 | | } |
6096 | | /* Find the previous path split value that contains a name |
6097 | | */ |
6098 | | while( last_used_path_segment_index > 0 ) |
6099 | | { |
6100 | | last_used_path_segment_index--; |
6101 | | |
6102 | | if( libcsplit_wide_split_string_get_segment_by_index( |
6103 | | path_split_string, |
6104 | | last_used_path_segment_index, |
6105 | | &last_used_path_string_segment, |
6106 | | &last_used_path_string_segment_size, |
6107 | | error ) != 1 ) |
6108 | | { |
6109 | | libcerror_error_set( |
6110 | | error, |
6111 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
6112 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
6113 | | "%s: unable to retrieve last used path string segment: %d.", |
6114 | | function, |
6115 | | last_used_path_segment_index ); |
6116 | | |
6117 | | goto on_error; |
6118 | | } |
6119 | | if( last_used_path_string_segment_size != 0 ) |
6120 | | { |
6121 | | break; |
6122 | | } |
6123 | | } |
6124 | | } |
6125 | | if( libcsplit_wide_split_string_set_segment_by_index( |
6126 | | path_split_string, |
6127 | | path_segment_index, |
6128 | | NULL, |
6129 | | 0, |
6130 | | error ) != 1 ) |
6131 | | { |
6132 | | libcerror_error_set( |
6133 | | error, |
6134 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
6135 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
6136 | | "%s: unable to set path string segment: %d.", |
6137 | | function, |
6138 | | path_segment_index ); |
6139 | | |
6140 | | goto on_error; |
6141 | | } |
6142 | | } |
6143 | | else |
6144 | | { |
6145 | | /* Add the size of the directory or file name and a directory separator |
6146 | | * Note that the size includes the end of string character |
6147 | | */ |
6148 | | safe_full_path_size += path_string_segment_size; |
6149 | | |
6150 | | last_used_path_segment_index = path_segment_index; |
6151 | | } |
6152 | | } |
6153 | | if( safe_full_path_size > 0 ) |
6154 | | { |
6155 | | /* Remove the size reserved of the last directory separator |
6156 | | */ |
6157 | | safe_full_path_size -= 1; |
6158 | | } |
6159 | | } |
6160 | | safe_full_path_size += full_path_prefix_length + 1; |
6161 | | |
6162 | | full_path_index = 0; |
6163 | | |
6164 | | safe_full_path = wide_string_allocate( |
6165 | | safe_full_path_size ); |
6166 | | |
6167 | | if( safe_full_path == NULL ) |
6168 | | { |
6169 | | libcerror_error_set( |
6170 | | error, |
6171 | | LIBCERROR_ERROR_DOMAIN_MEMORY, |
6172 | | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
6173 | | "%s: unable to create full path.", |
6174 | | function ); |
6175 | | |
6176 | | goto on_error; |
6177 | | } |
6178 | | if( memory_set( |
6179 | | safe_full_path, |
6180 | | 0, |
6181 | | sizeof( wchar_t ) * safe_full_path_size ) == NULL ) |
6182 | | { |
6183 | | libcerror_error_set( |
6184 | | error, |
6185 | | LIBCERROR_ERROR_DOMAIN_MEMORY, |
6186 | | LIBCERROR_MEMORY_ERROR_SET_FAILED, |
6187 | | "%s: unable to clear full path.", |
6188 | | function ); |
6189 | | |
6190 | | goto on_error; |
6191 | | } |
6192 | | if( path_type == LIBCPATH_TYPE_ABSOLUTE ) |
6193 | | { |
6194 | | safe_full_path[ full_path_index ] = (wchar_t) '/'; |
6195 | | |
6196 | | full_path_index += 1; |
6197 | | } |
6198 | | /* If the path is relative |
6199 | | * add the current working directory elements |
6200 | | */ |
6201 | | if( current_directory_split_string != NULL ) |
6202 | | { |
6203 | | for( current_directory_segment_index = 0; |
6204 | | current_directory_segment_index < current_directory_number_of_segments; |
6205 | | current_directory_segment_index++ ) |
6206 | | { |
6207 | | if( libcsplit_wide_split_string_get_segment_by_index( |
6208 | | current_directory_split_string, |
6209 | | current_directory_segment_index, |
6210 | | ¤t_directory_string_segment, |
6211 | | ¤t_directory_string_segment_size, |
6212 | | error ) != 1 ) |
6213 | | { |
6214 | | libcerror_error_set( |
6215 | | error, |
6216 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
6217 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
6218 | | "%s: unable to retrieve current working directory string segment: %d.", |
6219 | | function, |
6220 | | current_directory_segment_index ); |
6221 | | |
6222 | | goto on_error; |
6223 | | } |
6224 | | if( current_directory_string_segment_size != 0 ) |
6225 | | { |
6226 | | if( current_directory_string_segment == NULL ) |
6227 | | { |
6228 | | libcerror_error_set( |
6229 | | error, |
6230 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
6231 | | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
6232 | | "%s: missing current working directory string segment: %d.", |
6233 | | function, |
6234 | | current_directory_segment_index ); |
6235 | | |
6236 | | goto on_error; |
6237 | | } |
6238 | | /* Note that here we should have room for the segment string and |
6239 | | * one additional character |
6240 | | */ |
6241 | | if( current_directory_string_segment_size > ( safe_full_path_size - full_path_index ) ) |
6242 | | { |
6243 | | libcerror_error_set( |
6244 | | error, |
6245 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
6246 | | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
6247 | | "%s: invalid current working directory string segment: %d size value out of bounds.", |
6248 | | function, |
6249 | | current_directory_segment_index ); |
6250 | | |
6251 | | goto on_error; |
6252 | | } |
6253 | | path_string_segment_length = current_directory_string_segment_size - 1; |
6254 | | |
6255 | | if( wide_string_copy( |
6256 | | &( safe_full_path[ full_path_index ] ), |
6257 | | current_directory_string_segment, |
6258 | | path_string_segment_length ) == NULL ) |
6259 | | { |
6260 | | libcerror_error_set( |
6261 | | error, |
6262 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
6263 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
6264 | | "%s: unable to set current working directory split value: %d in full path.", |
6265 | | function, |
6266 | | current_directory_segment_index ); |
6267 | | |
6268 | | goto on_error; |
6269 | | } |
6270 | | full_path_index += path_string_segment_length; |
6271 | | |
6272 | | safe_full_path[ full_path_index ] = (wchar_t) '/'; |
6273 | | |
6274 | | full_path_index += 1; |
6275 | | } |
6276 | | } |
6277 | | } |
6278 | | if( path_split_string != NULL ) |
6279 | | { |
6280 | | for( path_segment_index = 0; |
6281 | | path_segment_index < path_number_of_segments; |
6282 | | path_segment_index++ ) |
6283 | | { |
6284 | | if( libcsplit_wide_split_string_get_segment_by_index( |
6285 | | path_split_string, |
6286 | | path_segment_index, |
6287 | | &path_string_segment, |
6288 | | &path_string_segment_size, |
6289 | | error ) != 1 ) |
6290 | | { |
6291 | | libcerror_error_set( |
6292 | | error, |
6293 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
6294 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
6295 | | "%s: unable to retrieve path string segment: %d.", |
6296 | | function, |
6297 | | path_segment_index ); |
6298 | | |
6299 | | goto on_error; |
6300 | | } |
6301 | | if( path_string_segment_size != 0 ) |
6302 | | { |
6303 | | if( path_string_segment == NULL ) |
6304 | | { |
6305 | | libcerror_error_set( |
6306 | | error, |
6307 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
6308 | | LIBCERROR_RUNTIME_ERROR_VALUE_MISSING, |
6309 | | "%s: missing path string segment: %d.", |
6310 | | function, |
6311 | | path_segment_index ); |
6312 | | |
6313 | | goto on_error; |
6314 | | } |
6315 | | /* Note that here we should have room for the segment string and |
6316 | | * one additional character |
6317 | | */ |
6318 | | if( path_string_segment_size > ( safe_full_path_size - full_path_index ) ) |
6319 | | { |
6320 | | libcerror_error_set( |
6321 | | error, |
6322 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
6323 | | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
6324 | | "%s: invalid current path string segment: %d size value out of bounds.", |
6325 | | function, |
6326 | | path_segment_index ); |
6327 | | |
6328 | | goto on_error; |
6329 | | } |
6330 | | path_string_segment_length = path_string_segment_size - 1; |
6331 | | |
6332 | | if( wide_string_copy( |
6333 | | &( safe_full_path[ full_path_index ] ), |
6334 | | path_string_segment, |
6335 | | path_string_segment_length ) == NULL ) |
6336 | | { |
6337 | | libcerror_error_set( |
6338 | | error, |
6339 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
6340 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
6341 | | "%s: unable to set path split value: %d in full path.", |
6342 | | function, |
6343 | | path_segment_index ); |
6344 | | |
6345 | | goto on_error; |
6346 | | } |
6347 | | full_path_index += path_string_segment_length; |
6348 | | |
6349 | | safe_full_path[ full_path_index ] = (wchar_t) '/'; |
6350 | | |
6351 | | full_path_index += 1; |
6352 | | } |
6353 | | } |
6354 | | } |
6355 | | safe_full_path[ full_path_index - 1 ] = 0; |
6356 | | |
6357 | | if( path_split_string != NULL ) |
6358 | | { |
6359 | | if( libcsplit_wide_split_string_free( |
6360 | | &path_split_string, |
6361 | | error ) != 1 ) |
6362 | | { |
6363 | | libcerror_error_set( |
6364 | | error, |
6365 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
6366 | | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
6367 | | "%s: unable to free path split string.", |
6368 | | function ); |
6369 | | |
6370 | | goto on_error; |
6371 | | } |
6372 | | } |
6373 | | if( current_directory_split_string != NULL ) |
6374 | | { |
6375 | | if( libcsplit_wide_split_string_free( |
6376 | | ¤t_directory_split_string, |
6377 | | error ) != 1 ) |
6378 | | { |
6379 | | libcerror_error_set( |
6380 | | error, |
6381 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
6382 | | LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED, |
6383 | | "%s: unable to free current working directory split string.", |
6384 | | function ); |
6385 | | |
6386 | | goto on_error; |
6387 | | } |
6388 | | } |
6389 | | if( current_directory != NULL ) |
6390 | | { |
6391 | | memory_free( |
6392 | | current_directory ); |
6393 | | } |
6394 | | *full_path = safe_full_path; |
6395 | | *full_path_size = safe_full_path_size; |
6396 | | |
6397 | | return( 1 ); |
6398 | | |
6399 | | on_error: |
6400 | | if( safe_full_path != NULL ) |
6401 | | { |
6402 | | memory_free( |
6403 | | safe_full_path ); |
6404 | | } |
6405 | | if( path_split_string != NULL ) |
6406 | | { |
6407 | | libcsplit_wide_split_string_free( |
6408 | | &path_split_string, |
6409 | | NULL ); |
6410 | | } |
6411 | | if( current_directory_split_string != NULL ) |
6412 | | { |
6413 | | libcsplit_wide_split_string_free( |
6414 | | ¤t_directory_split_string, |
6415 | | NULL ); |
6416 | | } |
6417 | | if( current_directory != NULL ) |
6418 | | { |
6419 | | memory_free( |
6420 | | current_directory ); |
6421 | | } |
6422 | | return( -1 ); |
6423 | | } |
6424 | | |
6425 | | #endif /* defined( WINAPI ) */ |
6426 | | |
6427 | | /* Retrieves the size of a sanitized version of the path character |
6428 | | * Returns 1 if successful or -1 on error |
6429 | | */ |
6430 | | int libcpath_path_get_sanitized_character_size_wide( |
6431 | | wchar_t character, |
6432 | | size_t *sanitized_character_size, |
6433 | | libcerror_error_t **error ) |
6434 | | { |
6435 | | static char *function = "libcpath_path_get_sanitized_character_size_wide"; |
6436 | | |
6437 | | if( sanitized_character_size == NULL ) |
6438 | | { |
6439 | | libcerror_error_set( |
6440 | | error, |
6441 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
6442 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
6443 | | "%s: invalid sanitized character size.", |
6444 | | function ); |
6445 | | |
6446 | | return( -1 ); |
6447 | | } |
6448 | | if( ( character >= 0x00 ) |
6449 | | && ( character <= 0x1f ) ) |
6450 | | { |
6451 | | *sanitized_character_size = 4; |
6452 | | } |
6453 | | else if( character == (wchar_t) LIBCPATH_ESCAPE_CHARACTER ) |
6454 | | { |
6455 | | *sanitized_character_size = 2; |
6456 | | } |
6457 | | #if defined( WINAPI ) |
6458 | | else if( character == (wchar_t) '/' ) |
6459 | | { |
6460 | | *sanitized_character_size = 4; |
6461 | | } |
6462 | | #endif |
6463 | | else if( ( character == (wchar_t) '!' ) |
6464 | | || ( character == (wchar_t) '$' ) |
6465 | | || ( character == (wchar_t) '%' ) |
6466 | | || ( character == (wchar_t) '&' ) |
6467 | | || ( character == (wchar_t) '*' ) |
6468 | | || ( character == (wchar_t) '+' ) |
6469 | | || ( character == (wchar_t) ':' ) |
6470 | | || ( character == (wchar_t) ';' ) |
6471 | | || ( character == (wchar_t) '<' ) |
6472 | | || ( character == (wchar_t) '>' ) |
6473 | | || ( character == (wchar_t) '?' ) |
6474 | | || ( character == (wchar_t) '|' ) |
6475 | | || ( character == 0x7f ) ) |
6476 | | { |
6477 | | *sanitized_character_size = 4; |
6478 | | } |
6479 | | else |
6480 | | { |
6481 | | *sanitized_character_size = 1; |
6482 | | } |
6483 | | return( 1 ); |
6484 | | } |
6485 | | |
6486 | | /* Retrieves a sanitized version of the path character |
6487 | | * Returns 1 if successful or -1 on error |
6488 | | */ |
6489 | | int libcpath_path_get_sanitized_character_wide( |
6490 | | wchar_t character, |
6491 | | size_t sanitized_character_size, |
6492 | | wchar_t *sanitized_path, |
6493 | | size_t sanitized_path_size, |
6494 | | size_t *sanitized_path_index, |
6495 | | libcerror_error_t **error ) |
6496 | | { |
6497 | | static char *function = "libcpath_path_get_sanitized_character_wide"; |
6498 | | size_t safe_sanitized_path_index = 0; |
6499 | | wchar_t lower_nibble = 0; |
6500 | | wchar_t upper_nibble = 0; |
6501 | | |
6502 | | if( ( sanitized_character_size != 1 ) |
6503 | | && ( sanitized_character_size != 2 ) |
6504 | | && ( sanitized_character_size != 4 ) ) |
6505 | | { |
6506 | | libcerror_error_set( |
6507 | | error, |
6508 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
6509 | | LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS, |
6510 | | "%s: invalid sanitized character size value out of bounds.", |
6511 | | function ); |
6512 | | |
6513 | | return( -1 ); |
6514 | | } |
6515 | | if( sanitized_path == NULL ) |
6516 | | { |
6517 | | libcerror_error_set( |
6518 | | error, |
6519 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
6520 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
6521 | | "%s: invalid sanitized path.", |
6522 | | function ); |
6523 | | |
6524 | | return( -1 ); |
6525 | | } |
6526 | | if( sanitized_path_size > (size_t) SSIZE_MAX ) |
6527 | | { |
6528 | | libcerror_error_set( |
6529 | | error, |
6530 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
6531 | | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
6532 | | "%s: invalid sanitized path size value exceeds maximum.", |
6533 | | function ); |
6534 | | |
6535 | | return( -1 ); |
6536 | | } |
6537 | | if( sanitized_path_index == NULL ) |
6538 | | { |
6539 | | libcerror_error_set( |
6540 | | error, |
6541 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
6542 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
6543 | | "%s: invalid sanitized path index.", |
6544 | | function ); |
6545 | | |
6546 | | return( -1 ); |
6547 | | } |
6548 | | safe_sanitized_path_index = *sanitized_path_index; |
6549 | | |
6550 | | if( safe_sanitized_path_index > sanitized_path_size ) |
6551 | | { |
6552 | | libcerror_error_set( |
6553 | | error, |
6554 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
6555 | | LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS, |
6556 | | "%s: invalid sanitized path index value out of bounds.", |
6557 | | function ); |
6558 | | |
6559 | | return( -1 ); |
6560 | | } |
6561 | | if( ( sanitized_character_size > sanitized_path_size ) |
6562 | | || ( safe_sanitized_path_index > ( sanitized_path_size - sanitized_character_size ) ) ) |
6563 | | { |
6564 | | libcerror_error_set( |
6565 | | error, |
6566 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
6567 | | LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL, |
6568 | | "%s: invalid sanitized path size value too small.", |
6569 | | function ); |
6570 | | |
6571 | | return( -1 ); |
6572 | | } |
6573 | | if( sanitized_character_size == 1 ) |
6574 | | { |
6575 | | sanitized_path[ safe_sanitized_path_index++ ] = character; |
6576 | | } |
6577 | | else if( sanitized_character_size == 2 ) |
6578 | | { |
6579 | | sanitized_path[ safe_sanitized_path_index++ ] = (wchar_t) LIBCPATH_ESCAPE_CHARACTER; |
6580 | | sanitized_path[ safe_sanitized_path_index++ ] = (wchar_t) LIBCPATH_ESCAPE_CHARACTER; |
6581 | | } |
6582 | | else if( sanitized_character_size == 4 ) |
6583 | | { |
6584 | | lower_nibble = character & 0x0f; |
6585 | | upper_nibble = ( character >> 4 ) & 0x0f; |
6586 | | |
6587 | | if( lower_nibble > 10 ) |
6588 | | { |
6589 | | lower_nibble += (wchar_t) 'a' - 10; |
6590 | | } |
6591 | | else |
6592 | | { |
6593 | | lower_nibble += '0'; |
6594 | | } |
6595 | | if( upper_nibble > 10 ) |
6596 | | { |
6597 | | upper_nibble += (wchar_t) 'a' - 10; |
6598 | | } |
6599 | | else |
6600 | | { |
6601 | | upper_nibble += '0'; |
6602 | | } |
6603 | | sanitized_path[ safe_sanitized_path_index++ ] = (wchar_t) LIBCPATH_ESCAPE_CHARACTER; |
6604 | | sanitized_path[ safe_sanitized_path_index++ ] = (wchar_t) 'x'; |
6605 | | sanitized_path[ safe_sanitized_path_index++ ] = upper_nibble; |
6606 | | sanitized_path[ safe_sanitized_path_index++ ] = lower_nibble; |
6607 | | } |
6608 | | *sanitized_path_index = safe_sanitized_path_index; |
6609 | | |
6610 | | return( 1 ); |
6611 | | } |
6612 | | |
6613 | | /* Retrieves a sanitized version of the filename |
6614 | | * Returns 1 if successful or -1 on error |
6615 | | */ |
6616 | | int libcpath_path_get_sanitized_filename_wide( |
6617 | | const wchar_t *filename, |
6618 | | size_t filename_length, |
6619 | | wchar_t **sanitized_filename, |
6620 | | size_t *sanitized_filename_size, |
6621 | | libcerror_error_t **error ) |
6622 | | { |
6623 | | static char *function = "libcpath_path_get_sanitized_filename_wide"; |
6624 | | wchar_t *safe_sanitized_filename = NULL; |
6625 | | size_t filename_index = 0; |
6626 | | size_t sanitized_character_size = 0; |
6627 | | size_t safe_sanitized_filename_size = 0; |
6628 | | size_t sanitized_filename_index = 0; |
6629 | | |
6630 | | if( filename == NULL ) |
6631 | | { |
6632 | | libcerror_error_set( |
6633 | | error, |
6634 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
6635 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
6636 | | "%s: invalid filename.", |
6637 | | function ); |
6638 | | |
6639 | | return( -1 ); |
6640 | | } |
6641 | | if( ( filename_length == 0 ) |
6642 | | || ( filename_length > (size_t) ( SSIZE_MAX - 1 ) ) ) |
6643 | | { |
6644 | | libcerror_error_set( |
6645 | | error, |
6646 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
6647 | | LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS, |
6648 | | "%s: invalid filename length value out of bounds.", |
6649 | | function ); |
6650 | | |
6651 | | return( -1 ); |
6652 | | } |
6653 | | if( sanitized_filename == NULL ) |
6654 | | { |
6655 | | libcerror_error_set( |
6656 | | error, |
6657 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
6658 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
6659 | | "%s: invalid sanitized filename.", |
6660 | | function ); |
6661 | | |
6662 | | return( -1 ); |
6663 | | } |
6664 | | if( *sanitized_filename != NULL ) |
6665 | | { |
6666 | | libcerror_error_set( |
6667 | | error, |
6668 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
6669 | | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
6670 | | "%s: invalid sanitized filename value already set.", |
6671 | | function ); |
6672 | | |
6673 | | return( -1 ); |
6674 | | } |
6675 | | if( sanitized_filename_size == NULL ) |
6676 | | { |
6677 | | libcerror_error_set( |
6678 | | error, |
6679 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
6680 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
6681 | | "%s: invalid sanitized filename size.", |
6682 | | function ); |
6683 | | |
6684 | | return( -1 ); |
6685 | | } |
6686 | | safe_sanitized_filename_size = 1; |
6687 | | |
6688 | | for( filename_index = 0; |
6689 | | filename_index < filename_length; |
6690 | | filename_index++ ) |
6691 | | { |
6692 | | if( filename[ filename_index ] == LIBCPATH_SEPARATOR ) |
6693 | | { |
6694 | | sanitized_character_size = 4; |
6695 | | } |
6696 | | else if( libcpath_path_get_sanitized_character_size_wide( |
6697 | | filename[ filename_index ], |
6698 | | &sanitized_character_size, |
6699 | | error ) != 1 ) |
6700 | | { |
6701 | | libcerror_error_set( |
6702 | | error, |
6703 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
6704 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
6705 | | "%s: unable to determine sanitize character size.", |
6706 | | function ); |
6707 | | |
6708 | | goto on_error; |
6709 | | } |
6710 | | safe_sanitized_filename_size += sanitized_character_size; |
6711 | | } |
6712 | | if( safe_sanitized_filename_size > (size_t) SSIZE_MAX ) |
6713 | | { |
6714 | | libcerror_error_set( |
6715 | | error, |
6716 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
6717 | | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
6718 | | "%s: invalid sanitized filename size value exceeds maximum.", |
6719 | | function ); |
6720 | | |
6721 | | goto on_error; |
6722 | | } |
6723 | | safe_sanitized_filename = wide_string_allocate( |
6724 | | safe_sanitized_filename_size ); |
6725 | | |
6726 | | if( safe_sanitized_filename == NULL ) |
6727 | | { |
6728 | | libcerror_error_set( |
6729 | | error, |
6730 | | LIBCERROR_ERROR_DOMAIN_MEMORY, |
6731 | | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
6732 | | "%s: unable to create sanitized filename.", |
6733 | | function ); |
6734 | | |
6735 | | goto on_error; |
6736 | | } |
6737 | | for( filename_index = 0; |
6738 | | filename_index < filename_length; |
6739 | | filename_index++ ) |
6740 | | { |
6741 | | if( filename[ filename_index ] == LIBCPATH_SEPARATOR ) |
6742 | | { |
6743 | | sanitized_character_size = 4; |
6744 | | } |
6745 | | else if( libcpath_path_get_sanitized_character_size_wide( |
6746 | | filename[ filename_index ], |
6747 | | &sanitized_character_size, |
6748 | | error ) != 1 ) |
6749 | | { |
6750 | | libcerror_error_set( |
6751 | | error, |
6752 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
6753 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
6754 | | "%s: unable to determine sanitize character size.", |
6755 | | function ); |
6756 | | |
6757 | | goto on_error; |
6758 | | } |
6759 | | if( libcpath_path_get_sanitized_character_wide( |
6760 | | filename[ filename_index ], |
6761 | | sanitized_character_size, |
6762 | | safe_sanitized_filename, |
6763 | | safe_sanitized_filename_size, |
6764 | | &sanitized_filename_index, |
6765 | | error ) != 1 ) |
6766 | | { |
6767 | | libcerror_error_set( |
6768 | | error, |
6769 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
6770 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
6771 | | "%s: unable to determine sanitize character size.", |
6772 | | function ); |
6773 | | |
6774 | | goto on_error; |
6775 | | } |
6776 | | } |
6777 | | safe_sanitized_filename[ sanitized_filename_index ] = 0; |
6778 | | |
6779 | | *sanitized_filename = safe_sanitized_filename; |
6780 | | *sanitized_filename_size = safe_sanitized_filename_size; |
6781 | | |
6782 | | return( 1 ); |
6783 | | |
6784 | | on_error: |
6785 | | if( safe_sanitized_filename != NULL ) |
6786 | | { |
6787 | | memory_free( |
6788 | | safe_sanitized_filename ); |
6789 | | } |
6790 | | return( -1 ); |
6791 | | } |
6792 | | |
6793 | | /* Retrieves a sanitized version of the path |
6794 | | * Returns 1 if successful or -1 on error |
6795 | | */ |
6796 | | int libcpath_path_get_sanitized_path_wide( |
6797 | | const wchar_t *path, |
6798 | | size_t path_length, |
6799 | | wchar_t **sanitized_path, |
6800 | | size_t *sanitized_path_size, |
6801 | | libcerror_error_t **error ) |
6802 | | { |
6803 | | static char *function = "libcpath_path_get_sanitized_path_wide"; |
6804 | | wchar_t *safe_sanitized_path = NULL; |
6805 | | size_t path_index = 0; |
6806 | | size_t safe_sanitized_path_size = 0; |
6807 | | size_t sanitized_character_size = 0; |
6808 | | size_t sanitized_path_index = 0; |
6809 | | |
6810 | | #if defined( WINAPI ) |
6811 | | size_t last_path_segment_seperator_index = 0; |
6812 | | #endif |
6813 | | |
6814 | | if( path == NULL ) |
6815 | | { |
6816 | | libcerror_error_set( |
6817 | | error, |
6818 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
6819 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
6820 | | "%s: invalid path.", |
6821 | | function ); |
6822 | | |
6823 | | return( -1 ); |
6824 | | } |
6825 | | if( ( path_length == 0 ) |
6826 | | || ( path_length > (size_t) ( SSIZE_MAX - 1 ) ) ) |
6827 | | { |
6828 | | libcerror_error_set( |
6829 | | error, |
6830 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
6831 | | LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS, |
6832 | | "%s: invalid path length value out of bounds.", |
6833 | | function ); |
6834 | | |
6835 | | return( -1 ); |
6836 | | } |
6837 | | if( sanitized_path == NULL ) |
6838 | | { |
6839 | | libcerror_error_set( |
6840 | | error, |
6841 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
6842 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
6843 | | "%s: invalid sanitized path.", |
6844 | | function ); |
6845 | | |
6846 | | return( -1 ); |
6847 | | } |
6848 | | if( *sanitized_path != NULL ) |
6849 | | { |
6850 | | libcerror_error_set( |
6851 | | error, |
6852 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
6853 | | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
6854 | | "%s: invalid sanitized path value already set.", |
6855 | | function ); |
6856 | | |
6857 | | return( -1 ); |
6858 | | } |
6859 | | if( sanitized_path_size == NULL ) |
6860 | | { |
6861 | | libcerror_error_set( |
6862 | | error, |
6863 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
6864 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
6865 | | "%s: invalid sanitized path size.", |
6866 | | function ); |
6867 | | |
6868 | | return( -1 ); |
6869 | | } |
6870 | | safe_sanitized_path_size = 1; |
6871 | | |
6872 | | for( path_index = 0; |
6873 | | path_index < path_length; |
6874 | | path_index++ ) |
6875 | | { |
6876 | | if( libcpath_path_get_sanitized_character_size_wide( |
6877 | | path[ path_index ], |
6878 | | &sanitized_character_size, |
6879 | | error ) != 1 ) |
6880 | | { |
6881 | | libcerror_error_set( |
6882 | | error, |
6883 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
6884 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
6885 | | "%s: unable to determine sanitize character size.", |
6886 | | function ); |
6887 | | |
6888 | | goto on_error; |
6889 | | } |
6890 | | safe_sanitized_path_size += sanitized_character_size; |
6891 | | |
6892 | | #if defined( WINAPI ) |
6893 | | if( path[ path_index ] == LIBCPATH_SEPARATOR ) |
6894 | | { |
6895 | | last_path_segment_seperator_index = path_index; |
6896 | | } |
6897 | | #endif |
6898 | | } |
6899 | | if( safe_sanitized_path_size > (size_t) SSIZE_MAX ) |
6900 | | { |
6901 | | libcerror_error_set( |
6902 | | error, |
6903 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
6904 | | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
6905 | | "%s: invalid sanitized path size value exceeds maximum.", |
6906 | | function ); |
6907 | | |
6908 | | goto on_error; |
6909 | | } |
6910 | | #if defined( WINAPI ) |
6911 | | if( last_path_segment_seperator_index > 32767 ) |
6912 | | { |
6913 | | libcerror_error_set( |
6914 | | error, |
6915 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
6916 | | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
6917 | | "%s: invalid last path segment separator value out of bounds.", |
6918 | | function ); |
6919 | | |
6920 | | goto on_error; |
6921 | | } |
6922 | | if( safe_sanitized_path_size > 32767 ) |
6923 | | { |
6924 | | safe_sanitized_path_size = 32767; |
6925 | | } |
6926 | | #endif |
6927 | | safe_sanitized_path = wide_string_allocate( |
6928 | | safe_sanitized_path_size ); |
6929 | | |
6930 | | if( safe_sanitized_path == NULL ) |
6931 | | { |
6932 | | libcerror_error_set( |
6933 | | error, |
6934 | | LIBCERROR_ERROR_DOMAIN_MEMORY, |
6935 | | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
6936 | | "%s: unable to create sanitized path.", |
6937 | | function ); |
6938 | | |
6939 | | goto on_error; |
6940 | | } |
6941 | | for( path_index = 0; |
6942 | | path_index < path_length; |
6943 | | path_index++ ) |
6944 | | { |
6945 | | if( libcpath_path_get_sanitized_character_size_wide( |
6946 | | path[ path_index ], |
6947 | | &sanitized_character_size, |
6948 | | error ) != 1 ) |
6949 | | { |
6950 | | libcerror_error_set( |
6951 | | error, |
6952 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
6953 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
6954 | | "%s: unable to determine sanitize character size.", |
6955 | | function ); |
6956 | | |
6957 | | goto on_error; |
6958 | | } |
6959 | | if( libcpath_path_get_sanitized_character_wide( |
6960 | | path[ path_index ], |
6961 | | sanitized_character_size, |
6962 | | safe_sanitized_path, |
6963 | | safe_sanitized_path_size, |
6964 | | &sanitized_path_index, |
6965 | | error ) != 1 ) |
6966 | | { |
6967 | | libcerror_error_set( |
6968 | | error, |
6969 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
6970 | | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
6971 | | "%s: unable to determine sanitize character size.", |
6972 | | function ); |
6973 | | |
6974 | | goto on_error; |
6975 | | } |
6976 | | } |
6977 | | if( sanitized_path_index >= safe_sanitized_path_size ) |
6978 | | { |
6979 | | libcerror_error_set( |
6980 | | error, |
6981 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
6982 | | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
6983 | | "%s: invalid sanitized path index value out of bounds.", |
6984 | | function ); |
6985 | | |
6986 | | goto on_error; |
6987 | | } |
6988 | | safe_sanitized_path[ sanitized_path_index ] = 0; |
6989 | | |
6990 | | *sanitized_path = safe_sanitized_path; |
6991 | | *sanitized_path_size = safe_sanitized_path_size; |
6992 | | |
6993 | | return( 1 ); |
6994 | | |
6995 | | on_error: |
6996 | | if( safe_sanitized_path != NULL ) |
6997 | | { |
6998 | | memory_free( |
6999 | | safe_sanitized_path ); |
7000 | | } |
7001 | | return( -1 ); |
7002 | | } |
7003 | | |
7004 | | /* Combines the directory name and filename into a path |
7005 | | * Returns 1 if successful or -1 on error |
7006 | | */ |
7007 | | int libcpath_path_join_wide( |
7008 | | wchar_t **path, |
7009 | | size_t *path_size, |
7010 | | const wchar_t *directory_name, |
7011 | | size_t directory_name_length, |
7012 | | const wchar_t *filename, |
7013 | | size_t filename_length, |
7014 | | libcerror_error_t **error ) |
7015 | | { |
7016 | | static char *function = "libcpath_path_join_wide"; |
7017 | | size_t filename_index = 0; |
7018 | | size_t path_index = 0; |
7019 | | |
7020 | | if( path == NULL ) |
7021 | | { |
7022 | | libcerror_error_set( |
7023 | | error, |
7024 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
7025 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
7026 | | "%s: invalid path.", |
7027 | | function ); |
7028 | | |
7029 | | return( -1 ); |
7030 | | } |
7031 | | if( *path != NULL ) |
7032 | | { |
7033 | | libcerror_error_set( |
7034 | | error, |
7035 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
7036 | | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
7037 | | "%s: invalid path value already set.", |
7038 | | function ); |
7039 | | |
7040 | | return( -1 ); |
7041 | | } |
7042 | | if( path_size == NULL ) |
7043 | | { |
7044 | | libcerror_error_set( |
7045 | | error, |
7046 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
7047 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
7048 | | "%s: invalid path size.", |
7049 | | function ); |
7050 | | |
7051 | | return( -1 ); |
7052 | | } |
7053 | | if( directory_name == NULL ) |
7054 | | { |
7055 | | libcerror_error_set( |
7056 | | error, |
7057 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
7058 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
7059 | | "%s: invalid directory name.", |
7060 | | function ); |
7061 | | |
7062 | | return( -1 ); |
7063 | | } |
7064 | | if( directory_name_length > (size_t) SSIZE_MAX ) |
7065 | | { |
7066 | | libcerror_error_set( |
7067 | | error, |
7068 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
7069 | | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
7070 | | "%s: invalid directory name length value exceeds maximum.", |
7071 | | function ); |
7072 | | |
7073 | | return( -1 ); |
7074 | | } |
7075 | | if( filename == NULL ) |
7076 | | { |
7077 | | libcerror_error_set( |
7078 | | error, |
7079 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
7080 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
7081 | | "%s: invalid filename.", |
7082 | | function ); |
7083 | | |
7084 | | return( -1 ); |
7085 | | } |
7086 | | if( filename_length > (size_t) SSIZE_MAX ) |
7087 | | { |
7088 | | libcerror_error_set( |
7089 | | error, |
7090 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
7091 | | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
7092 | | "%s: invalid filename length value exceeds maximum.", |
7093 | | function ); |
7094 | | |
7095 | | return( -1 ); |
7096 | | } |
7097 | | /* TODO strip other patterns like /./ */ |
7098 | | while( directory_name_length > 0 ) |
7099 | | { |
7100 | | if( directory_name[ directory_name_length - 1 ] != (wchar_t) LIBCPATH_SEPARATOR ) |
7101 | | { |
7102 | | break; |
7103 | | } |
7104 | | directory_name_length--; |
7105 | | } |
7106 | | while( filename_length > 0 ) |
7107 | | { |
7108 | | if( filename[ filename_index ] != (wchar_t) LIBCPATH_SEPARATOR ) |
7109 | | { |
7110 | | break; |
7111 | | } |
7112 | | filename_index++; |
7113 | | filename_length--; |
7114 | | } |
7115 | | *path_size = directory_name_length + filename_length + 2; |
7116 | | |
7117 | | *path = wide_string_allocate( |
7118 | | *path_size ); |
7119 | | |
7120 | | if( *path == NULL ) |
7121 | | { |
7122 | | libcerror_error_set( |
7123 | | error, |
7124 | | LIBCERROR_ERROR_DOMAIN_MEMORY, |
7125 | | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
7126 | | "%s: unable to create path.", |
7127 | | function ); |
7128 | | |
7129 | | goto on_error; |
7130 | | } |
7131 | | if( wide_string_copy( |
7132 | | *path, |
7133 | | directory_name, |
7134 | | directory_name_length ) == NULL ) |
7135 | | { |
7136 | | libcerror_error_set( |
7137 | | error, |
7138 | | LIBCERROR_ERROR_DOMAIN_MEMORY, |
7139 | | LIBCERROR_MEMORY_ERROR_COPY_FAILED, |
7140 | | "%s: unable to copy directory name to path.", |
7141 | | function ); |
7142 | | |
7143 | | goto on_error; |
7144 | | } |
7145 | | path_index = directory_name_length; |
7146 | | |
7147 | | ( *path )[ path_index++ ] = (wchar_t) LIBCPATH_SEPARATOR; |
7148 | | |
7149 | | if( wide_string_copy( |
7150 | | &( ( *path )[ path_index ] ), |
7151 | | &( filename[ filename_index ] ), |
7152 | | filename_length ) == NULL ) |
7153 | | { |
7154 | | libcerror_error_set( |
7155 | | error, |
7156 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
7157 | | LIBCERROR_RUNTIME_ERROR_COPY_FAILED, |
7158 | | "%s: unable to copy filename to path.", |
7159 | | function ); |
7160 | | |
7161 | | goto on_error; |
7162 | | } |
7163 | | path_index += filename_length; |
7164 | | |
7165 | | ( *path )[ path_index ] = 0; |
7166 | | |
7167 | | return( 1 ); |
7168 | | |
7169 | | on_error: |
7170 | | if( *path != NULL ) |
7171 | | { |
7172 | | memory_free( |
7173 | | *path ); |
7174 | | |
7175 | | *path = NULL; |
7176 | | } |
7177 | | *path_size = 0; |
7178 | | |
7179 | | return( -1 ); |
7180 | | } |
7181 | | |
7182 | | #if defined( WINAPI ) && ( WINVER <= 0x0500 ) |
7183 | | |
7184 | | /* Cross Windows safe version of CreateDirectoryW |
7185 | | * Returns TRUE if successful or FALSE on error |
7186 | | */ |
7187 | | BOOL libcpath_CreateDirectoryW( |
7188 | | LPCWSTR path, |
7189 | | SECURITY_ATTRIBUTES *security_attributes ) |
7190 | | { |
7191 | | FARPROC function = NULL; |
7192 | | HMODULE library_handle = NULL; |
7193 | | BOOL result = FALSE; |
7194 | | |
7195 | | if( path == NULL ) |
7196 | | { |
7197 | | return( 0 ); |
7198 | | } |
7199 | | library_handle = LoadLibrary( |
7200 | | _SYSTEM_STRING( "kernel32.dll" ) ); |
7201 | | |
7202 | | if( library_handle == NULL ) |
7203 | | { |
7204 | | return( 0 ); |
7205 | | } |
7206 | | function = GetProcAddress( |
7207 | | library_handle, |
7208 | | (LPCSTR) "CreateDirectoryW" ); |
7209 | | |
7210 | | if( function != NULL ) |
7211 | | { |
7212 | | result = function( |
7213 | | path, |
7214 | | security_attributes ); |
7215 | | } |
7216 | | /* This call should be after using the function |
7217 | | * in most cases kernel32.dll will still be available after free |
7218 | | */ |
7219 | | if( FreeLibrary( |
7220 | | library_handle ) != TRUE ) |
7221 | | { |
7222 | | libcpath_CloseHandle( |
7223 | | library_handle ); |
7224 | | |
7225 | | return( 0 ); |
7226 | | } |
7227 | | return( result ); |
7228 | | } |
7229 | | |
7230 | | #endif /* defined( WINAPI ) && ( WINVER <= 0x0500 ) */ |
7231 | | |
7232 | | #if defined( WINAPI ) |
7233 | | |
7234 | | /* Makes the directory |
7235 | | * This function uses the WINAPI function for Windows XP (0x0501) or later |
7236 | | * or tries to dynamically call the function for Windows 2000 (0x0500) or earlier |
7237 | | * Returns 1 if successful or -1 on error |
7238 | | */ |
7239 | | int libcpath_path_make_directory_wide( |
7240 | | const wchar_t *directory_name, |
7241 | | libcerror_error_t **error ) |
7242 | | { |
7243 | | static char *function = "libcpath_path_make_directory_wide"; |
7244 | | DWORD error_code = 0; |
7245 | | |
7246 | | if( directory_name == NULL ) |
7247 | | { |
7248 | | libcerror_error_set( |
7249 | | error, |
7250 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
7251 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
7252 | | "%s: invalid directory name.", |
7253 | | function ); |
7254 | | |
7255 | | return( -1 ); |
7256 | | } |
7257 | | #if defined( WINAPI ) && ( WINVER <= 0x0500 ) |
7258 | | if( libcpath_CreateDirectoryW( |
7259 | | directory_name, |
7260 | | NULL ) == 0 ) |
7261 | | #else |
7262 | | if( CreateDirectoryW( |
7263 | | directory_name, |
7264 | | NULL ) == 0 ) |
7265 | | #endif |
7266 | | { |
7267 | | error_code = GetLastError(); |
7268 | | |
7269 | | libcerror_system_set_error( |
7270 | | error, |
7271 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
7272 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
7273 | | error_code, |
7274 | | "%s: unable to make directory.", |
7275 | | function ); |
7276 | | |
7277 | | return( -1 ); |
7278 | | } |
7279 | | return( 1 ); |
7280 | | } |
7281 | | |
7282 | | #elif defined( HAVE_MKDIR ) |
7283 | | |
7284 | | /* Makes the directory |
7285 | | * This function uses the POSIX mkdir function or equivalent |
7286 | | * Returns 1 if successful or -1 on error |
7287 | | */ |
7288 | | int libcpath_path_make_directory_wide( |
7289 | | const wchar_t *directory_name, |
7290 | | libcerror_error_t **error ) |
7291 | | { |
7292 | | static char *function = "libcpath_path_make_directory_wide"; |
7293 | | char *narrow_directory_name = 0; |
7294 | | size_t directory_name_length = 0; |
7295 | | size_t narrow_directory_name_size = 0; |
7296 | | |
7297 | | if( directory_name == NULL ) |
7298 | | { |
7299 | | libcerror_error_set( |
7300 | | error, |
7301 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
7302 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
7303 | | "%s: invalid directory name.", |
7304 | | function ); |
7305 | | |
7306 | | return( -1 ); |
7307 | | } |
7308 | | directory_name_length = wide_string_length( |
7309 | | directory_name ); |
7310 | | |
7311 | | if( libcpath_system_string_size_from_wide_string( |
7312 | | directory_name, |
7313 | | directory_name_length + 1, |
7314 | | &narrow_directory_name_size, |
7315 | | error ) != 1 ) |
7316 | | { |
7317 | | libcerror_error_set( |
7318 | | error, |
7319 | | LIBCERROR_ERROR_DOMAIN_CONVERSION, |
7320 | | LIBCERROR_CONVERSION_ERROR_GENERIC, |
7321 | | "%s: unable to determine narrow directory name size.", |
7322 | | function ); |
7323 | | |
7324 | | goto on_error; |
7325 | | } |
7326 | | if( ( narrow_directory_name_size > (size_t) SSIZE_MAX ) |
7327 | | || ( ( sizeof( char ) * narrow_directory_name_size ) > (size_t) SSIZE_MAX ) ) |
7328 | | { |
7329 | | libcerror_error_set( |
7330 | | error, |
7331 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
7332 | | LIBCERROR_RUNTIME_ERROR_VALUE_EXCEEDS_MAXIMUM, |
7333 | | "%s: invalid narrow directory name size value exceeds maximum.", |
7334 | | function ); |
7335 | | |
7336 | | goto on_error; |
7337 | | } |
7338 | | narrow_directory_name = narrow_string_allocate( |
7339 | | narrow_directory_name_size ); |
7340 | | |
7341 | | if( narrow_directory_name == NULL ) |
7342 | | { |
7343 | | libcerror_error_set( |
7344 | | error, |
7345 | | LIBCERROR_ERROR_DOMAIN_MEMORY, |
7346 | | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
7347 | | "%s: unable to create narrow directory name.", |
7348 | | function ); |
7349 | | |
7350 | | goto on_error; |
7351 | | } |
7352 | | if( libcpath_system_string_copy_from_wide_string( |
7353 | | narrow_directory_name, |
7354 | | narrow_directory_name_size, |
7355 | | directory_name, |
7356 | | directory_name_length + 1, |
7357 | | error ) != 1 ) |
7358 | | { |
7359 | | libcerror_error_set( |
7360 | | error, |
7361 | | LIBCERROR_ERROR_DOMAIN_CONVERSION, |
7362 | | LIBCERROR_CONVERSION_ERROR_GENERIC, |
7363 | | "%s: unable to set name.", |
7364 | | function ); |
7365 | | |
7366 | | goto on_error; |
7367 | | } |
7368 | | #if defined( __MINGW32__ ) || defined( _MSC_VER ) |
7369 | | if( mkdir( |
7370 | | narrow_directory_name ) != 0 ) |
7371 | | #else |
7372 | | if( mkdir( |
7373 | | narrow_directory_name, |
7374 | | 0755 ) != 0 ) |
7375 | | #endif |
7376 | | { |
7377 | | libcerror_system_set_error( |
7378 | | error, |
7379 | | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
7380 | | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
7381 | | errno, |
7382 | | "%s: unable to make directory.", |
7383 | | function ); |
7384 | | |
7385 | | goto on_error; |
7386 | | } |
7387 | | memory_free( |
7388 | | narrow_directory_name ); |
7389 | | |
7390 | | return( 1 ); |
7391 | | |
7392 | | on_error: |
7393 | | if( narrow_directory_name != NULL ) |
7394 | | { |
7395 | | memory_free( |
7396 | | narrow_directory_name ); |
7397 | | } |
7398 | | return( -1 ); |
7399 | | } |
7400 | | |
7401 | | #else |
7402 | | #error Missing make directory function |
7403 | | #endif |
7404 | | |
7405 | | #endif /* defined( HAVE_WIDE_CHARACTER_TYPE ) */ |
7406 | | |