/src/libvsgpt/libvsgpt/libvsgpt_partition_values.c
Line | Count | Source (jump to first uncovered line) |
1 | | /* |
2 | | * The partition values functions |
3 | | * |
4 | | * Copyright (C) 2019-2024, Joachim Metz <joachim.metz@gmail.com> |
5 | | * |
6 | | * Refer to AUTHORS for acknowledgements. |
7 | | * |
8 | | * This program is free software: you can redistribute it and/or modify |
9 | | * it under the terms of the GNU Lesser General Public License as published by |
10 | | * the Free Software Foundation, either version 3 of the License, or |
11 | | * (at your option) any later version. |
12 | | * |
13 | | * This program is distributed in the hope that it will be useful, |
14 | | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | | * GNU General Public License for more details. |
17 | | * |
18 | | * You should have received a copy of the GNU Lesser General Public License |
19 | | * along with this program. If not, see <https://www.gnu.org/licenses/>. |
20 | | */ |
21 | | |
22 | | #include <common.h> |
23 | | #include <memory.h> |
24 | | #include <types.h> |
25 | | |
26 | | #include "libvsgpt_libcerror.h" |
27 | | #include "libvsgpt_partition_values.h" |
28 | | |
29 | | /* Creates partition values |
30 | | * Make sure the value partition_values is referencing, is set to NULL |
31 | | * Returns 1 if successful or -1 on error |
32 | | */ |
33 | | int libvsgpt_partition_values_initialize( |
34 | | libvsgpt_partition_values_t **partition_values, |
35 | | libcerror_error_t **error ) |
36 | 7.55k | { |
37 | 7.55k | static char *function = "libvsgpt_partition_values_initialize"; |
38 | | |
39 | 7.55k | if( partition_values == NULL ) |
40 | 0 | { |
41 | 0 | libcerror_error_set( |
42 | 0 | error, |
43 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
44 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
45 | 0 | "%s: invalid partition values.", |
46 | 0 | function ); |
47 | |
|
48 | 0 | return( -1 ); |
49 | 0 | } |
50 | 7.55k | if( *partition_values != NULL ) |
51 | 0 | { |
52 | 0 | libcerror_error_set( |
53 | 0 | error, |
54 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
55 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
56 | 0 | "%s: invalid partition values value already set.", |
57 | 0 | function ); |
58 | |
|
59 | 0 | return( -1 ); |
60 | 0 | } |
61 | 7.55k | *partition_values = memory_allocate_structure( |
62 | 7.55k | libvsgpt_partition_values_t ); |
63 | | |
64 | 7.55k | if( *partition_values == NULL ) |
65 | 0 | { |
66 | 0 | libcerror_error_set( |
67 | 0 | error, |
68 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
69 | 0 | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
70 | 0 | "%s: unable to create partition values.", |
71 | 0 | function ); |
72 | |
|
73 | 0 | goto on_error; |
74 | 0 | } |
75 | 7.55k | if( memory_set( |
76 | 7.55k | *partition_values, |
77 | 7.55k | 0, |
78 | 7.55k | sizeof( libvsgpt_partition_values_t ) ) == NULL ) |
79 | 0 | { |
80 | 0 | libcerror_error_set( |
81 | 0 | error, |
82 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
83 | 0 | LIBCERROR_MEMORY_ERROR_SET_FAILED, |
84 | 0 | "%s: unable to clear partition values.", |
85 | 0 | function ); |
86 | |
|
87 | 0 | goto on_error; |
88 | 0 | } |
89 | 7.55k | return( 1 ); |
90 | | |
91 | 0 | on_error: |
92 | 0 | if( *partition_values != NULL ) |
93 | 0 | { |
94 | 0 | memory_free( |
95 | 0 | *partition_values ); |
96 | |
|
97 | 0 | *partition_values = NULL; |
98 | 0 | } |
99 | 0 | return( -1 ); |
100 | 7.55k | } |
101 | | |
102 | | /* Frees partition values |
103 | | * Returns 1 if successful or -1 on error |
104 | | */ |
105 | | int libvsgpt_partition_values_free( |
106 | | libvsgpt_partition_values_t **partition_values, |
107 | | libcerror_error_t **error ) |
108 | 7.55k | { |
109 | 7.55k | static char *function = "libvsgpt_partition_values_free"; |
110 | | |
111 | 7.55k | if( partition_values == NULL ) |
112 | 0 | { |
113 | 0 | libcerror_error_set( |
114 | 0 | error, |
115 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
116 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
117 | 0 | "%s: invalid partition values.", |
118 | 0 | function ); |
119 | |
|
120 | 0 | return( -1 ); |
121 | 0 | } |
122 | 7.55k | if( *partition_values != NULL ) |
123 | 7.55k | { |
124 | 7.55k | memory_free( |
125 | 7.55k | *partition_values ); |
126 | | |
127 | 7.55k | *partition_values = NULL; |
128 | 7.55k | } |
129 | 7.55k | return( 1 ); |
130 | 7.55k | } |
131 | | |
132 | | /* Retrieves the partition entry index |
133 | | * Returns 1 if successful or -1 on error |
134 | | */ |
135 | | int libvsgpt_partition_values_get_entry_index( |
136 | | libvsgpt_partition_values_t *partition_values, |
137 | | uint32_t *entry_index, |
138 | | libcerror_error_t **error ) |
139 | 0 | { |
140 | 0 | static char *function = "libvsgpt_partition_values_get_entry_index"; |
141 | |
|
142 | 0 | if( partition_values == NULL ) |
143 | 0 | { |
144 | 0 | libcerror_error_set( |
145 | 0 | error, |
146 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
147 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
148 | 0 | "%s: invalid partition values.", |
149 | 0 | function ); |
150 | |
|
151 | 0 | return( -1 ); |
152 | 0 | } |
153 | 0 | if( entry_index == NULL ) |
154 | 0 | { |
155 | 0 | libcerror_error_set( |
156 | 0 | error, |
157 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
158 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
159 | 0 | "%s: invalid entry index.", |
160 | 0 | function ); |
161 | |
|
162 | 0 | return( -1 ); |
163 | 0 | } |
164 | 0 | *entry_index = partition_values->entry_index; |
165 | |
|
166 | 0 | return( 1 ); |
167 | 0 | } |
168 | | |
169 | | /* Retrieves the identifier |
170 | | * The identifier is a GUID stored in little-endian and is 16 bytes of size |
171 | | * Returns 1 if successful or -1 on error |
172 | | */ |
173 | | int libvsgpt_partition_values_get_identifier( |
174 | | libvsgpt_partition_values_t *partition_values, |
175 | | uint8_t *guid_data, |
176 | | size_t guid_data_size, |
177 | | libcerror_error_t **error ) |
178 | 0 | { |
179 | 0 | static char *function = "libvsgpt_partition_values_get_identifier"; |
180 | |
|
181 | 0 | if( partition_values == NULL ) |
182 | 0 | { |
183 | 0 | libcerror_error_set( |
184 | 0 | error, |
185 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
186 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
187 | 0 | "%s: invalid partition values.", |
188 | 0 | function ); |
189 | |
|
190 | 0 | return( -1 ); |
191 | 0 | } |
192 | 0 | if( guid_data == NULL ) |
193 | 0 | { |
194 | 0 | libcerror_error_set( |
195 | 0 | error, |
196 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
197 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
198 | 0 | "%s: invalid GUID data.", |
199 | 0 | function ); |
200 | |
|
201 | 0 | return( -1 ); |
202 | 0 | } |
203 | 0 | if( ( guid_data_size < 16 ) |
204 | 0 | || ( guid_data_size > (size_t) SSIZE_MAX ) ) |
205 | 0 | { |
206 | 0 | libcerror_error_set( |
207 | 0 | error, |
208 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
209 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
210 | 0 | "%s: invalid GUID data size value out of bounds.", |
211 | 0 | function ); |
212 | |
|
213 | 0 | return( -1 ); |
214 | 0 | } |
215 | 0 | if( memory_copy( |
216 | 0 | guid_data, |
217 | 0 | partition_values->identifier, |
218 | 0 | 16 ) == NULL ) |
219 | 0 | { |
220 | 0 | libcerror_error_set( |
221 | 0 | error, |
222 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
223 | 0 | LIBCERROR_MEMORY_ERROR_COPY_FAILED, |
224 | 0 | "%s: unable to copy identifier.", |
225 | 0 | function ); |
226 | |
|
227 | 0 | return( -1 ); |
228 | 0 | } |
229 | 0 | return( 1 ); |
230 | 0 | } |
231 | | |
232 | | /* Retrieves the type identifier |
233 | | * The identifier is a GUID stored in little-endian and is 16 bytes of size |
234 | | * Returns 1 if successful or -1 on error |
235 | | */ |
236 | | int libvsgpt_partition_values_get_type_identifier( |
237 | | libvsgpt_partition_values_t *partition_values, |
238 | | uint8_t *guid_data, |
239 | | size_t guid_data_size, |
240 | | libcerror_error_t **error ) |
241 | 0 | { |
242 | 0 | static char *function = "libvsgpt_partition_values_get_type_identifier"; |
243 | |
|
244 | 0 | if( partition_values == NULL ) |
245 | 0 | { |
246 | 0 | libcerror_error_set( |
247 | 0 | error, |
248 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
249 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
250 | 0 | "%s: invalid partition values.", |
251 | 0 | function ); |
252 | |
|
253 | 0 | return( -1 ); |
254 | 0 | } |
255 | 0 | if( guid_data == NULL ) |
256 | 0 | { |
257 | 0 | libcerror_error_set( |
258 | 0 | error, |
259 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
260 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
261 | 0 | "%s: invalid GUID data.", |
262 | 0 | function ); |
263 | |
|
264 | 0 | return( -1 ); |
265 | 0 | } |
266 | 0 | if( ( guid_data_size < 16 ) |
267 | 0 | || ( guid_data_size > (size_t) SSIZE_MAX ) ) |
268 | 0 | { |
269 | 0 | libcerror_error_set( |
270 | 0 | error, |
271 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
272 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
273 | 0 | "%s: invalid GUID data size value out of bounds.", |
274 | 0 | function ); |
275 | |
|
276 | 0 | return( -1 ); |
277 | 0 | } |
278 | 0 | if( memory_copy( |
279 | 0 | guid_data, |
280 | 0 | partition_values->type_identifier, |
281 | 0 | 16 ) == NULL ) |
282 | 0 | { |
283 | 0 | libcerror_error_set( |
284 | 0 | error, |
285 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
286 | 0 | LIBCERROR_MEMORY_ERROR_COPY_FAILED, |
287 | 0 | "%s: unable to copy type identifier.", |
288 | 0 | function ); |
289 | |
|
290 | 0 | return( -1 ); |
291 | 0 | } |
292 | 0 | return( 1 ); |
293 | 0 | } |
294 | | |
295 | | /* Retrieves the partition type |
296 | | * Returns 1 if successful or -1 on error |
297 | | */ |
298 | | int libvsgpt_partition_values_get_type( |
299 | | libvsgpt_partition_values_t *partition_values, |
300 | | uint8_t *type, |
301 | | libcerror_error_t **error ) |
302 | 0 | { |
303 | 0 | static char *function = "libvsgpt_partition_values_get_type"; |
304 | |
|
305 | 0 | if( partition_values == NULL ) |
306 | 0 | { |
307 | 0 | libcerror_error_set( |
308 | 0 | error, |
309 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
310 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
311 | 0 | "%s: invalid partition values.", |
312 | 0 | function ); |
313 | |
|
314 | 0 | return( -1 ); |
315 | 0 | } |
316 | 0 | if( type == NULL ) |
317 | 0 | { |
318 | 0 | libcerror_error_set( |
319 | 0 | error, |
320 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
321 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
322 | 0 | "%s: invalid type.", |
323 | 0 | function ); |
324 | |
|
325 | 0 | return( -1 ); |
326 | 0 | } |
327 | 0 | *type = partition_values->type; |
328 | |
|
329 | 0 | return( 1 ); |
330 | 0 | } |
331 | | |
332 | | /* Retrieves the partition offset |
333 | | * Returns 1 if successful or -1 on error |
334 | | */ |
335 | | int libvsgpt_partition_values_get_offset( |
336 | | libvsgpt_partition_values_t *partition_values, |
337 | | off64_t *offset, |
338 | | libcerror_error_t **error ) |
339 | 0 | { |
340 | 0 | static char *function = "libvsgpt_partition_values_get_offset"; |
341 | |
|
342 | 0 | if( partition_values == NULL ) |
343 | 0 | { |
344 | 0 | libcerror_error_set( |
345 | 0 | error, |
346 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
347 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
348 | 0 | "%s: invalid partition values.", |
349 | 0 | function ); |
350 | |
|
351 | 0 | return( -1 ); |
352 | 0 | } |
353 | 0 | if( offset == NULL ) |
354 | 0 | { |
355 | 0 | libcerror_error_set( |
356 | 0 | error, |
357 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
358 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
359 | 0 | "%s: invalid offset.", |
360 | 0 | function ); |
361 | |
|
362 | 0 | return( -1 ); |
363 | 0 | } |
364 | 0 | *offset = partition_values->offset; |
365 | |
|
366 | 0 | return( 1 ); |
367 | 0 | } |
368 | | |
369 | | /* Retrieves the partition size |
370 | | * Returns 1 if successful or -1 on error |
371 | | */ |
372 | | int libvsgpt_partition_values_get_size( |
373 | | libvsgpt_partition_values_t *partition_values, |
374 | | size64_t *size, |
375 | | libcerror_error_t **error ) |
376 | 51 | { |
377 | 51 | static char *function = "libvsgpt_partition_values_get_size"; |
378 | | |
379 | 51 | if( partition_values == NULL ) |
380 | 0 | { |
381 | 0 | libcerror_error_set( |
382 | 0 | error, |
383 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
384 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
385 | 0 | "%s: invalid partition values.", |
386 | 0 | function ); |
387 | |
|
388 | 0 | return( -1 ); |
389 | 0 | } |
390 | 51 | if( size == NULL ) |
391 | 0 | { |
392 | 0 | libcerror_error_set( |
393 | 0 | error, |
394 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
395 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
396 | 0 | "%s: invalid size.", |
397 | 0 | function ); |
398 | |
|
399 | 0 | return( -1 ); |
400 | 0 | } |
401 | 51 | *size = partition_values->size; |
402 | | |
403 | 51 | return( 1 ); |
404 | 51 | } |
405 | | |