-
Notifications
You must be signed in to change notification settings - Fork 2
/
check_vhd.c
304 lines (220 loc) · 9.26 KB
/
check_vhd.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
/**
* @file check_vhd.c
* @author Igor Bonadio
* @copyright MIT License. See Copyright Notice in LICENSE.txt
*/
#include <stdlib.h>
#include <stdio.h>
#include <time.h>
#include <check.h>
#include "vhd.h"
START_TEST (test_vinil_checksum_vhd_footer) {
char *vhd_files[] = {"vhd_test_y.vhd",
"vhd_test_zero.vhd"};
char vhd_path[256];
char error_msg[256];
int i;
for (i = 0; i < 2; i++) {
sprintf(vhd_path, "../tests/data/%s", vhd_files[i]);
FILE *fd = fopen(vhd_path, "r");
sprintf(error_msg, "Cannot open %s", vhd_files[i]);
fail_unless(fd != NULL, error_msg);
VinilVHDFooter* footer = vinil_vhd_footer_create();
sprintf(error_msg, "Cannot create vhd_footer for %s", vhd_files[i]);
fail_unless(footer != NULL, error_msg);
int ok = vinil_vhd_footer_read(fd, footer);
sprintf(error_msg, "Cannot read %s's footer", vhd_files[i]);
fail_unless(ok, error_msg);
sprintf(error_msg, "%s has an invalid checksum", vhd_files[i]);
fail_unless(vinil_checksum_vhd_footer(footer) == footer->checksum, error_msg);
vinil_vhd_footer_destroy(footer);
fclose(fd);
}
} END_TEST
START_TEST (test_vinil_open) {
char *vhd_files[] = {"vhd_test_y.vhd",
"vhd_test_zero.vhd"};
char vhd_path[256];
char error_msg[256];
int i;
for (i = 0; i < 2; i++) {
sprintf(vhd_path, "../tests/data/%s", vhd_files[i]);
VinilVHD* vhd = vinil_vhd_open(vhd_path);
sprintf(error_msg, "Cannot open %s", vhd_files[i]);
fail_unless(vhd != NULL, error_msg);
sprintf(error_msg, "Cannot open %s file descriptor", vhd_files[i]);
fail_unless(vhd->fd != NULL, error_msg);
sprintf(error_msg, "Cannot open %s footer", vhd_files[i]);
fail_unless(vhd->footer != NULL, error_msg);
vinil_vhd_close(vhd);
}
} END_TEST
START_TEST (test_vinil_read) {
char *vhd_files[] = {"vhd_test_y.vhd",
"vhd_test_zero.vhd"};
char vhd_path[256];
char error_msg[256];
int i;
for (i = 0; i < 2; i++) {
sprintf(vhd_path, "../tests/data/%s", vhd_files[i]);
VinilVHD* vhd = vinil_vhd_open(vhd_path);
sprintf(error_msg, "Cannot open %s", vhd_files[i]);
fail_unless(vhd != NULL, error_msg);
char sector[512];
int count = 0;
while (vinil_vhd_read(vhd, sector, 1))
count++;
sprintf(error_msg, "Wrong number of sectors in %s", vhd_files[i]);
fail_unless(count*512 == vhd->footer->current_size, error_msg);
vinil_vhd_close(vhd);
}
} END_TEST
START_TEST (test_vinil_tell) {
char *vhd_files[] = {"vhd_test_y.vhd",
"vhd_test_zero.vhd"};
char vhd_path[256];
char error_msg[256];
int i;
for (i = 0; i < 2; i++) {
sprintf(vhd_path, "../tests/data/%s", vhd_files[i]);
VinilVHD* vhd = vinil_vhd_open(vhd_path);
sprintf(error_msg, "Cannot open %s", vhd_files[i]);
fail_unless(vhd != NULL, error_msg);
char sector[512];
sprintf(error_msg, "Cannot read %s", vhd_files[i]);
fail_unless(vinil_vhd_read(vhd, sector, 1), error_msg);
sprintf(error_msg, "Cannot read %s", vhd_files[i]);
fail_unless(vinil_vhd_read(vhd, sector, 1), error_msg);
sprintf(error_msg, "Cannot read %s", vhd_files[i]);
fail_unless(vinil_vhd_read(vhd, sector, 1), error_msg);
sprintf(error_msg, "vinil_vhd_tell function returns a wrong sector number %s", vhd_files[i]);
fail_unless(vinil_vhd_tell(vhd) == 3, error_msg);
vinil_vhd_close(vhd);
}
} END_TEST
START_TEST (test_vinil_seek) {
char *vhd_files[] = {"vhd_test_y.vhd",
"vhd_test_zero.vhd"};
char vhd_path[256];
char error_msg[256];
int i;
for (i = 0; i < 2; i++) {
sprintf(vhd_path, "../tests/data/%s", vhd_files[i]);
VinilVHD* vhd = vinil_vhd_open(vhd_path);
sprintf(error_msg, "Cannot open %s", vhd_files[i]);
fail_unless(vhd != NULL, error_msg);
sprintf(error_msg, "Cannot execute vinil_vhd_seek in %s (1)", vhd_files[i]);
fail_unless(vinil_vhd_seek(vhd, 0, SEEK_END), error_msg);
sprintf(error_msg, "It is not the last sector of %s (1)", vhd_files[i]);
fail_unless(vinil_vhd_tell(vhd) == vhd->footer->current_size/512, error_msg);
sprintf(error_msg, "Cannot execute vinil_vhd_seek in %s (2)", vhd_files[i]);
fail_unless(vinil_vhd_seek(vhd, vhd->footer->current_size/512 - 1, SEEK_SET), error_msg);
sprintf(error_msg, "It is not the last sector of %s (2)", vhd_files[i]);
fail_unless(vinil_vhd_tell(vhd) == vhd->footer->current_size/512 - 1, error_msg);
sprintf(error_msg, "Cannot execute vinil_vhd_seek in %s (3)", vhd_files[i]);
fail_unless(vinil_vhd_seek(vhd, 1, SEEK_CUR), error_msg);
sprintf(error_msg, "It is not the last sector of %s (3)", vhd_files[i]);
fail_unless(vinil_vhd_tell(vhd) == vhd->footer->current_size/512, error_msg);
vinil_vhd_close(vhd);
}
} END_TEST
START_TEST (test_vinil_vhd_commit_structural_changes) {
char vhd_file[] = "new_vhd_file.vhd";
char vhd_path[256];
sprintf(vhd_path, "../tests/data/%s", vhd_file);
FILE* f = fopen(vhd_path, "r");
if (f) {
fclose(f);
remove(vhd_path);
}
f = fopen(vhd_path, "r");
fail_unless(f == NULL, "new_vhd_file.vhd already exists");
VinilVHD* vhd = vinil_vhd_open(vhd_path);
fail_unless(vhd != NULL, "Cannot open new_vhd_file.vhd");
memcpy(vhd->footer->cookie, "conectix", 9);
vhd->footer->features = 0;
vhd->footer->file_format_version = 0x00010000;
vhd->footer->data_offset = 0xFFFFFFFF;
vhd->footer->timestamp = time(NULL);
memcpy(vhd->footer->creator_application, "vnil", 4);
vhd->footer->creator_version = 0x00000001;
vhd->footer->creator_host_os = 0x4D616320; // Mac OS X
vhd->footer->original_size = 4*1024*1024; // 4MB
vhd->footer->current_size = 4*1024*1024; // 4MB
vhd->footer->disk_geometry = vinil_compute_chs(4*1024*1024);
vhd->footer->disk_type = 2; // Fixed
vinil_uuid_generate(&vhd->footer->uuid);
vhd->footer->saved_state = 0;
//vhd->footer->checksum = vinil_checksum_vhd_footer(vhd->footer);
fail_unless(vinil_vhd_commit_structural_changes(vhd), "Cannot commit changes in new_vhd_file.vhd");
unsigned char buffer[512];
int i;
for (i = 0; i < 512; i++)
buffer[i] = 'a';
fail_unless(vinil_vhd_write(vhd, buffer, 1), "Cannot write 1 sector to new_vhd_file.vhd");
unsigned char buffer2[1024];
for (i = 0; i < 1024; i++)
buffer2[i] = 'b';
fail_unless(vinil_vhd_write(vhd, buffer2, 2), "Cannot write 2 sectors to new_vhd_file.vhd");
fail_unless(vinil_vhd_seek(vhd, 0, SEEK_SET), "Cannot execute vinil_vhd_seek in new_vhd_file.vhd");
int count = 0;
while (vinil_vhd_write(vhd, buffer, 1))
count++;
fail_unless(count*512 == vhd->footer->current_size, "Wrong number of sectors in new_vhd_file.vhd");
vinil_vhd_close(vhd);
// checking the new file...
VinilVHD* vhd2 = vinil_vhd_open(vhd_path);
fail_unless(vhd2 != NULL, "Cannot reopen new_vhd_file.vhd");
// decreasing vhd's size
vhd2->footer->current_size = 2*1024*1024; // 2MB
fail_unless(vinil_vhd_commit_structural_changes(vhd2), "Cannot commit changes in new_vhd_file.vhd");
vinil_vhd_close(vhd2);
// checking the new file...
VinilVHD* vhd3 = vinil_vhd_open(vhd_path);
fail_unless(vhd3 != NULL, "Cannot reopen new_vhd_file.vhd");
fail_unless(vinil_vhd_seek(vhd3, 0, SEEK_SET), "Cannot execute vinil_vhd_seek in new_vhd_file.vhd");
count = 0;
while (vinil_vhd_write(vhd3, buffer, 1))
count++;
fail_unless(count*512 == vhd->footer->current_size, "Wrong number of sectors in new_vhd_file.vhd");
fail_unless(2*1024*1024 == vhd->footer->current_size, "Wrong number of sectors in new_vhd_file.vhd");
vinil_vhd_close(vhd3);
} END_TEST
START_TEST (test_vinil_geometry_encode) {
char *vhd_files[] = {"vhd_test_y.vhd",
"vhd_test_zero.vhd"};
char vhd_path[256];
char error_msg[256];
int i;
for (i = 0; i < 2; i++) {
sprintf(vhd_path, "../tests/data/%s", vhd_files[i]);
VinilVHD* vhd = vinil_vhd_open(vhd_path);
sprintf(error_msg, "Cannot open %s", vhd_files[i]);
fail_unless(vhd != NULL, error_msg);
sprintf(error_msg, "Invalid geometry of %s", vhd_files[i]);
fail_unless(vinil_compute_chs(vhd->footer->current_size) == vhd->footer->disk_geometry, error_msg);
vinil_vhd_close(vhd);
}
} END_TEST
Suite* func_suite(void) {
Suite *s = suite_create ("vinil");
TCase *tc_core = tcase_create ("VHD");
tcase_add_test (tc_core, test_vinil_checksum_vhd_footer);
tcase_add_test (tc_core, test_vinil_open);
tcase_add_test (tc_core, test_vinil_read);
tcase_add_test (tc_core, test_vinil_tell);
tcase_add_test (tc_core, test_vinil_seek);
tcase_add_test (tc_core, test_vinil_vhd_commit_structural_changes);
tcase_add_test (tc_core, test_vinil_geometry_encode);
suite_add_tcase (s, tc_core);
return s;
}
int main() {
int number_failed;
Suite *s = func_suite();
SRunner *sr = srunner_create(s);
srunner_run_all(sr, CK_NORMAL);
number_failed = srunner_ntests_failed(sr);
srunner_free(sr);
return (number_failed == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
}