/src/libmodi/libmodi/libmodi_udif_block_table_entry.c
Line | Count | Source (jump to first uncovered line) |
1 | | /* |
2 | | * Universal Disk Image Format (UDIF) block table entry functions |
3 | | * |
4 | | * Copyright (C) 2012-2024, 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 <byte_stream.h> |
24 | | #include <memory.h> |
25 | | #include <types.h> |
26 | | |
27 | | #include "libmodi_debug.h" |
28 | | #include "libmodi_libcerror.h" |
29 | | #include "libmodi_libcnotify.h" |
30 | | #include "libmodi_udif_block_table_entry.h" |
31 | | |
32 | | #include "modi_udif_block_table.h" |
33 | | |
34 | | /* Creates a block table entry entry |
35 | | * Make sure the value block_table_entry is referencing, is set to NULL |
36 | | * Returns 1 if successful or -1 on error |
37 | | */ |
38 | | int libmodi_udif_block_table_entry_initialize( |
39 | | libmodi_udif_block_table_entry_t **block_table_entry, |
40 | | libcerror_error_t **error ) |
41 | 4.64k | { |
42 | 4.64k | static char *function = "libmodi_udif_block_table_entry_initialize"; |
43 | | |
44 | 4.64k | if( block_table_entry == NULL ) |
45 | 0 | { |
46 | 0 | libcerror_error_set( |
47 | 0 | error, |
48 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
49 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
50 | 0 | "%s: invalid block table entry.", |
51 | 0 | function ); |
52 | |
|
53 | 0 | return( -1 ); |
54 | 0 | } |
55 | 4.64k | if( *block_table_entry != NULL ) |
56 | 0 | { |
57 | 0 | libcerror_error_set( |
58 | 0 | error, |
59 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
60 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
61 | 0 | "%s: invalid block table entry value already set.", |
62 | 0 | function ); |
63 | |
|
64 | 0 | return( -1 ); |
65 | 0 | } |
66 | 4.64k | *block_table_entry = memory_allocate_structure( |
67 | 4.64k | libmodi_udif_block_table_entry_t ); |
68 | | |
69 | 4.64k | if( *block_table_entry == NULL ) |
70 | 0 | { |
71 | 0 | libcerror_error_set( |
72 | 0 | error, |
73 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
74 | 0 | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
75 | 0 | "%s: unable to create block table entry.", |
76 | 0 | function ); |
77 | |
|
78 | 0 | goto on_error; |
79 | 0 | } |
80 | 4.64k | if( memory_set( |
81 | 4.64k | *block_table_entry, |
82 | 4.64k | 0, |
83 | 4.64k | sizeof( libmodi_udif_block_table_entry_t ) ) == NULL ) |
84 | 0 | { |
85 | 0 | libcerror_error_set( |
86 | 0 | error, |
87 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
88 | 0 | LIBCERROR_MEMORY_ERROR_SET_FAILED, |
89 | 0 | "%s: unable to clear block table entry.", |
90 | 0 | function ); |
91 | |
|
92 | 0 | goto on_error; |
93 | 0 | } |
94 | 4.64k | return( 1 ); |
95 | | |
96 | 0 | on_error: |
97 | 0 | if( *block_table_entry != NULL ) |
98 | 0 | { |
99 | 0 | memory_free( |
100 | 0 | *block_table_entry ); |
101 | |
|
102 | 0 | *block_table_entry = NULL; |
103 | 0 | } |
104 | 0 | return( -1 ); |
105 | 4.64k | } |
106 | | |
107 | | /* Frees a block table entry |
108 | | * Returns 1 if successful or -1 on error |
109 | | */ |
110 | | int libmodi_udif_block_table_entry_free( |
111 | | libmodi_udif_block_table_entry_t **block_table_entry, |
112 | | libcerror_error_t **error ) |
113 | 4.64k | { |
114 | 4.64k | static char *function = "libmodi_udif_block_table_entry_free"; |
115 | | |
116 | 4.64k | if( block_table_entry == NULL ) |
117 | 0 | { |
118 | 0 | libcerror_error_set( |
119 | 0 | error, |
120 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
121 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
122 | 0 | "%s: invalid block table entry.", |
123 | 0 | function ); |
124 | |
|
125 | 0 | return( -1 ); |
126 | 0 | } |
127 | 4.64k | if( *block_table_entry != NULL ) |
128 | 4.64k | { |
129 | 4.64k | memory_free( |
130 | 4.64k | *block_table_entry ); |
131 | | |
132 | 4.64k | *block_table_entry = NULL; |
133 | 4.64k | } |
134 | 4.64k | return( 1 ); |
135 | 4.64k | } |
136 | | |
137 | | /* Reads a block table entry |
138 | | * Returns 1 if successful or -1 on error |
139 | | */ |
140 | | int libmodi_udif_block_table_entry_read_data( |
141 | | libmodi_udif_block_table_entry_t *block_table_entry, |
142 | | const uint8_t *data, |
143 | | size_t data_size, |
144 | | libcerror_error_t **error ) |
145 | 4.64k | { |
146 | 4.64k | static char *function = "libmodi_udif_block_table_entry_read_data"; |
147 | | |
148 | | #if defined( HAVE_DEBUG_OUTPUT ) |
149 | | uint32_t value_32bit = 0; |
150 | | #endif |
151 | | |
152 | 4.64k | if( block_table_entry == NULL ) |
153 | 0 | { |
154 | 0 | libcerror_error_set( |
155 | 0 | error, |
156 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
157 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
158 | 0 | "%s: invalid block table entry.", |
159 | 0 | function ); |
160 | |
|
161 | 0 | return( -1 ); |
162 | 0 | } |
163 | 4.64k | if( data == NULL ) |
164 | 0 | { |
165 | 0 | libcerror_error_set( |
166 | 0 | error, |
167 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
168 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
169 | 0 | "%s: invalid data.", |
170 | 0 | function ); |
171 | |
|
172 | 0 | return( -1 ); |
173 | 0 | } |
174 | 4.64k | if( ( data_size < sizeof( modi_udif_block_table_entry_t ) ) |
175 | 4.64k | || ( data_size > (size_t) SSIZE_MAX ) ) |
176 | 0 | { |
177 | 0 | libcerror_error_set( |
178 | 0 | error, |
179 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
180 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS, |
181 | 0 | "%s: invalid data size value out of bounds.", |
182 | 0 | function ); |
183 | |
|
184 | 0 | return( -1 ); |
185 | 0 | } |
186 | | #if defined( HAVE_DEBUG_OUTPUT ) |
187 | | if( libcnotify_verbose != 0 ) |
188 | | { |
189 | | libcnotify_printf( |
190 | | "%s: block table entry data:\n", |
191 | | function ); |
192 | | libcnotify_print_data( |
193 | | data, |
194 | | data_size, |
195 | | 0 ); |
196 | | } |
197 | | #endif |
198 | 4.64k | byte_stream_copy_to_uint32_big_endian( |
199 | 4.64k | ( (modi_udif_block_table_entry_t *) data )->type, |
200 | 4.64k | block_table_entry->type ); |
201 | | |
202 | 4.64k | byte_stream_copy_to_uint64_big_endian( |
203 | 4.64k | ( (modi_udif_block_table_entry_t *) data )->start_sector, |
204 | 4.64k | block_table_entry->start_sector ); |
205 | | |
206 | 4.64k | byte_stream_copy_to_uint64_big_endian( |
207 | 4.64k | ( (modi_udif_block_table_entry_t *) data )->number_of_sectors, |
208 | 4.64k | block_table_entry->number_of_sectors ); |
209 | | |
210 | 4.64k | byte_stream_copy_to_uint64_big_endian( |
211 | 4.64k | ( (modi_udif_block_table_entry_t *) data )->data_offset, |
212 | 4.64k | block_table_entry->data_offset ); |
213 | | |
214 | 4.64k | byte_stream_copy_to_uint64_big_endian( |
215 | 4.64k | ( (modi_udif_block_table_entry_t *) data )->data_size, |
216 | 4.64k | block_table_entry->data_size ); |
217 | | |
218 | | #if defined( HAVE_DEBUG_OUTPUT ) |
219 | | if( libcnotify_verbose != 0 ) |
220 | | { |
221 | | libcnotify_printf( |
222 | | "%s: type\t\t\t\t: 0x%08" PRIx32 " (%s)\n", |
223 | | function, |
224 | | block_table_entry->type, |
225 | | libmodi_debug_get_udif_block_table_entry_type( |
226 | | block_table_entry->type ) ); |
227 | | |
228 | | byte_stream_copy_to_uint32_big_endian( |
229 | | ( (modi_udif_block_table_entry_t *) data )->unknown1, |
230 | | value_32bit ); |
231 | | libcnotify_printf( |
232 | | "%s: unknown1\t\t\t: 0x%08" PRIx32 "\n", |
233 | | function, |
234 | | value_32bit ); |
235 | | |
236 | | libcnotify_printf( |
237 | | "%s: start sector\t\t\t: %" PRIu64 "\n", |
238 | | function, |
239 | | block_table_entry->start_sector ); |
240 | | |
241 | | libcnotify_printf( |
242 | | "%s: number of sectors\t\t: %" PRIu64 "\n", |
243 | | function, |
244 | | block_table_entry->number_of_sectors ); |
245 | | |
246 | | libcnotify_printf( |
247 | | "%s: data offset\t\t\t: %" PRIu64 "\n", |
248 | | function, |
249 | | block_table_entry->data_offset ); |
250 | | |
251 | | libcnotify_printf( |
252 | | "%s: data size\t\t\t: %" PRIu64 "\n", |
253 | | function, |
254 | | block_table_entry->data_size ); |
255 | | |
256 | | libcnotify_printf( |
257 | | "\n" ); |
258 | | } |
259 | | #endif /* defined( HAVE_DEBUG_OUTPUT ) */ |
260 | | |
261 | 4.64k | return( 1 ); |
262 | 4.64k | } |
263 | | |