Jakub Czapiga | b20aa09 | 2021-07-27 17:04:11 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 2 | |
| 3 | #include <assert.h> |
| 4 | #include <cbfs.h> |
| 5 | #include <commonlib/bsd/cbfs_mdata.h> |
Julius Werner | 9f37647 | 2021-08-11 18:20:11 -0700 | [diff] [blame] | 6 | #include <commonlib/bsd/cbfs_private.h> |
Jakub Czapiga | b20aa09 | 2021-07-27 17:04:11 +0200 | [diff] [blame] | 7 | #include <commonlib/region.h> |
| 8 | #include <string.h> |
| 9 | #include <tests/lib/cbfs_util.h> |
| 10 | #include <tests/test.h> |
| 11 | |
| 12 | |
| 13 | static struct cbfs_boot_device cbd; |
| 14 | |
Jakub Czapiga | c08b6a7 | 2022-01-10 13:36:47 +0000 | [diff] [blame] | 15 | static u8 aligned_cbfs_buffer[(sizeof(struct cbfs_test_file) + CBFS_ALIGNMENT) * 10] __aligned( |
| 16 | CBFS_ALIGNMENT); |
Jakub Czapiga | b20aa09 | 2021-07-27 17:04:11 +0200 | [diff] [blame] | 17 | |
| 18 | static u8 *unaligned_cbfs_buffer = &aligned_cbfs_buffer[3]; |
| 19 | static uintptr_t unaligned_cbfs_buffer_size = sizeof(aligned_cbfs_buffer) - 3; |
| 20 | |
| 21 | static u8 cbfs_mcache[TEST_MCACHE_SIZE] __aligned(CBFS_MCACHE_ALIGNMENT); |
| 22 | |
| 23 | /* Add files to CBFS buffer. NULL in files list equals to one CBFS_ALIGNMENT of spacing. */ |
| 24 | static int create_cbfs(const struct cbfs_test_file *files[], const size_t nfiles, u8 *buffer, |
Jakub Czapiga | c08b6a7 | 2022-01-10 13:36:47 +0000 | [diff] [blame] | 25 | const size_t buffer_size) |
Jakub Czapiga | b20aa09 | 2021-07-27 17:04:11 +0200 | [diff] [blame] | 26 | { |
| 27 | u8 *data_ptr = buffer; |
| 28 | size_t file_size = 0; |
| 29 | memset(buffer, 0, buffer_size); |
| 30 | |
| 31 | for (size_t i = 0; i < nfiles; ++i) { |
| 32 | if (files[i] == NULL) { |
| 33 | file_size = CBFS_ALIGNMENT; |
| 34 | assert_true(&data_ptr[file_size] < &buffer[buffer_size]); |
| 35 | } else { |
| 36 | file_size = be32_to_cpu(files[i]->header.len) |
Jakub Czapiga | c08b6a7 | 2022-01-10 13:36:47 +0000 | [diff] [blame] | 37 | + be32_to_cpu(files[i]->header.offset); |
Jakub Czapiga | b20aa09 | 2021-07-27 17:04:11 +0200 | [diff] [blame] | 38 | assert_true(&data_ptr[file_size] < &buffer[buffer_size]); |
| 39 | memcpy(data_ptr, files[i], file_size); |
| 40 | } |
| 41 | |
| 42 | data_ptr = &data_ptr[file_size]; |
| 43 | const uintptr_t offset = (uintptr_t)data_ptr - (uintptr_t)buffer; |
| 44 | data_ptr = &buffer[ALIGN_UP(offset, CBFS_ALIGNMENT)]; |
| 45 | } |
| 46 | |
| 47 | return 0; |
| 48 | } |
| 49 | |
| 50 | /* Mocks */ |
| 51 | |
| 52 | const struct cbfs_boot_device *cbfs_get_boot_device(bool force_ro) |
| 53 | { |
| 54 | return &cbd; |
| 55 | } |
| 56 | |
| 57 | size_t ulzman(const void *src, size_t srcn, void *dst, size_t dstn) |
| 58 | { |
| 59 | check_expected(srcn); |
| 60 | check_expected(dstn); |
| 61 | memcpy(dst, src, dstn); |
| 62 | return dstn; |
| 63 | } |
| 64 | |
| 65 | size_t ulz4fn(const void *src, size_t srcn, void *dst, size_t dstn) |
| 66 | { |
| 67 | check_expected(srcn); |
| 68 | check_expected(dstn); |
| 69 | memcpy(dst, src, dstn); |
| 70 | return dstn; |
| 71 | } |
| 72 | |
Julius Werner | 69cc557 | 2022-03-04 17:49:56 -0800 | [diff] [blame] | 73 | extern enum cb_err __real_cbfs_lookup(cbfs_dev_t dev, const char *name, |
| 74 | union cbfs_mdata *mdata_out, size_t *data_offset_out, |
| 75 | struct vb2_hash *metadata_hash); |
Jakub Czapiga | b20aa09 | 2021-07-27 17:04:11 +0200 | [diff] [blame] | 76 | |
Julius Werner | 69cc557 | 2022-03-04 17:49:56 -0800 | [diff] [blame] | 77 | enum cb_err cbfs_lookup(cbfs_dev_t dev, const char *name, union cbfs_mdata *mdata_out, |
| 78 | size_t *data_offset_out, struct vb2_hash *metadata_hash) |
Jakub Czapiga | b20aa09 | 2021-07-27 17:04:11 +0200 | [diff] [blame] | 79 | { |
Julius Werner | 69cc557 | 2022-03-04 17:49:56 -0800 | [diff] [blame] | 80 | const enum cb_err err = |
Jakub Czapiga | b20aa09 | 2021-07-27 17:04:11 +0200 | [diff] [blame] | 81 | __real_cbfs_lookup(dev, name, mdata_out, data_offset_out, metadata_hash); |
Julius Werner | 69cc557 | 2022-03-04 17:49:56 -0800 | [diff] [blame] | 82 | assert_int_equal(err, mock_type(enum cb_err)); |
Jakub Czapiga | b20aa09 | 2021-07-27 17:04:11 +0200 | [diff] [blame] | 83 | return err; |
| 84 | } |
| 85 | |
Julius Werner | 69cc557 | 2022-03-04 17:49:56 -0800 | [diff] [blame] | 86 | extern enum cb_err __real_cbfs_mcache_lookup(const void *mcache, size_t mcache_size, |
Jakub Czapiga | b20aa09 | 2021-07-27 17:04:11 +0200 | [diff] [blame] | 87 | const char *name, union cbfs_mdata *mdata_out, |
| 88 | size_t *data_offset_out); |
| 89 | |
Julius Werner | 69cc557 | 2022-03-04 17:49:56 -0800 | [diff] [blame] | 90 | enum cb_err cbfs_mcache_lookup(const void *mcache, size_t mcache_size, const char *name, |
| 91 | union cbfs_mdata *mdata_out, size_t *data_offset_out) |
Jakub Czapiga | b20aa09 | 2021-07-27 17:04:11 +0200 | [diff] [blame] | 92 | { |
Julius Werner | 69cc557 | 2022-03-04 17:49:56 -0800 | [diff] [blame] | 93 | const enum cb_err err = __real_cbfs_mcache_lookup(mcache, mcache_size, name, mdata_out, |
Jakub Czapiga | b20aa09 | 2021-07-27 17:04:11 +0200 | [diff] [blame] | 94 | data_offset_out); |
Julius Werner | 69cc557 | 2022-03-04 17:49:56 -0800 | [diff] [blame] | 95 | assert_int_equal(err, mock_type(enum cb_err)); |
Jakub Czapiga | b20aa09 | 2021-07-27 17:04:11 +0200 | [diff] [blame] | 96 | return err; |
| 97 | } |
| 98 | |
| 99 | extern void *__real_mem_pool_alloc(struct mem_pool *mp, size_t sz); |
| 100 | |
| 101 | void *mem_pool_alloc(struct mem_pool *mp, size_t sz) |
| 102 | { |
| 103 | check_expected(sz); |
| 104 | assert_ptr_equal(mp, &cbfs_cache); |
| 105 | return __real_mem_pool_alloc(mp, sz); |
| 106 | } |
| 107 | |
| 108 | extern void __real_mem_pool_free(struct mem_pool *mp, void *p); |
| 109 | |
| 110 | void mem_pool_free(struct mem_pool *mp, void *p) |
| 111 | { |
| 112 | check_expected(p); |
| 113 | assert_ptr_equal(mp, &cbfs_cache); |
| 114 | return __real_mem_pool_free(mp, p); |
| 115 | } |
| 116 | |
| 117 | static u8 cbmem_test_buf[2 * MiB]; |
| 118 | |
| 119 | void *cbmem_add(u32 id, u64 size) |
| 120 | { |
| 121 | check_expected(id); |
| 122 | check_expected(size); |
| 123 | return cbmem_test_buf; |
| 124 | } |
| 125 | |
| 126 | /* Setup, teardown and utils */ |
| 127 | |
| 128 | struct cbfs_test_state_ex { |
| 129 | u32 file_type; |
| 130 | u32 file_length; |
Julius Werner | 69cc557 | 2022-03-04 17:49:56 -0800 | [diff] [blame] | 131 | enum cb_err lookup_result; |
Jakub Czapiga | b20aa09 | 2021-07-27 17:04:11 +0200 | [diff] [blame] | 132 | }; |
| 133 | |
| 134 | struct cbfs_test_state { |
| 135 | u8 *cbfs_buf; |
| 136 | size_t cbfs_size; |
| 137 | |
| 138 | /* Optionals */ |
| 139 | struct cbfs_test_state_ex ex; |
| 140 | }; |
| 141 | |
| 142 | static int setup_test_cbfs_aligned(void **state) |
| 143 | { |
| 144 | struct cbfs_test_state *s = malloc(sizeof(struct cbfs_test_state)); |
| 145 | |
| 146 | if (!s) |
| 147 | return 1; |
| 148 | s->cbfs_buf = aligned_cbfs_buffer; |
| 149 | s->cbfs_size = sizeof(aligned_cbfs_buffer); |
| 150 | memset(&s->ex, 0, sizeof(s->ex)); |
| 151 | |
| 152 | /* Prestate */ |
| 153 | if (*state != NULL) |
| 154 | s->ex = *((struct cbfs_test_state_ex *)*state); |
| 155 | |
| 156 | *state = s; |
| 157 | |
| 158 | rdev_chain_mem(&cbd.rdev, aligned_cbfs_buffer, sizeof(aligned_cbfs_buffer)); |
| 159 | memset(aligned_cbfs_buffer, 0, sizeof(aligned_cbfs_buffer)); |
| 160 | |
| 161 | cbd.mcache = cbfs_mcache; |
| 162 | cbd.mcache_size = TEST_MCACHE_SIZE; |
| 163 | |
| 164 | return 0; |
| 165 | } |
| 166 | |
| 167 | static int setup_test_cbfs_unaligned(void **state) |
| 168 | { |
| 169 | struct cbfs_test_state *s = malloc(sizeof(struct cbfs_test_state)); |
| 170 | |
| 171 | if (!s) |
| 172 | return 1; |
| 173 | s->cbfs_buf = unaligned_cbfs_buffer; |
| 174 | s->cbfs_size = unaligned_cbfs_buffer_size; |
| 175 | memset(&s->ex, 0, sizeof(s->ex)); |
| 176 | |
| 177 | /* Prestate */ |
| 178 | if (*state != NULL) |
| 179 | s->ex = *((struct cbfs_test_state_ex *)*state); |
| 180 | |
| 181 | *state = s; |
| 182 | |
| 183 | rdev_chain_mem(&cbd.rdev, unaligned_cbfs_buffer, unaligned_cbfs_buffer_size); |
| 184 | memset(unaligned_cbfs_buffer, 0, unaligned_cbfs_buffer_size); |
| 185 | |
| 186 | cbd.mcache = cbfs_mcache; |
| 187 | cbd.mcache_size = TEST_MCACHE_SIZE; |
| 188 | |
| 189 | return 0; |
| 190 | } |
| 191 | |
| 192 | static int teardown_test_cbfs(void **state) |
| 193 | { |
| 194 | free(*state); |
| 195 | memset(&cbd, 0, sizeof(cbd)); |
| 196 | return 0; |
| 197 | } |
| 198 | |
| 199 | /* Utils */ |
| 200 | |
Julius Werner | 69cc557 | 2022-03-04 17:49:56 -0800 | [diff] [blame] | 201 | static void expect_lookup_result(enum cb_err res) |
Jakub Czapiga | b20aa09 | 2021-07-27 17:04:11 +0200 | [diff] [blame] | 202 | { |
| 203 | if (CONFIG(NO_CBFS_MCACHE)) |
| 204 | will_return(cbfs_lookup, (res)); |
| 205 | else |
| 206 | will_return(cbfs_mcache_lookup, (res)); |
| 207 | } |
| 208 | |
| 209 | /* Tests */ |
| 210 | |
| 211 | /* Test case for cbfs_map() function. Validate file searching in the correct CBFS */ |
| 212 | static void test_cbfs_map(void **state) |
| 213 | { |
| 214 | void *mapping; |
| 215 | size_t size_out; |
| 216 | struct cbfs_test_state *s = *state; |
| 217 | const struct cbfs_test_file *cbfs_files[] = { |
| 218 | &test_file_int_1, &test_file_2, NULL, &test_file_int_2, |
| 219 | &test_file_1, NULL, NULL, &test_file_int_3, |
| 220 | }; |
| 221 | assert_int_equal( |
| 222 | 0, create_cbfs(cbfs_files, ARRAY_SIZE(cbfs_files), s->cbfs_buf, s->cbfs_size)); |
| 223 | assert_int_equal(CB_SUCCESS, cbfs_init_boot_device(&cbd, NULL)); |
| 224 | |
| 225 | /* Existing files */ |
| 226 | size_out = 0; |
| 227 | expect_lookup_result(CB_SUCCESS); |
| 228 | mapping = cbfs_map(TEST_DATA_1_FILENAME, &size_out); |
| 229 | assert_non_null(mapping); |
| 230 | assert_int_equal(TEST_DATA_1_SIZE, size_out); |
| 231 | assert_memory_equal(mapping, test_data_1, TEST_DATA_1_SIZE); |
| 232 | |
| 233 | expect_value(mem_pool_free, p, mapping); |
| 234 | cbfs_unmap(mapping); |
| 235 | |
| 236 | size_out = 0; |
| 237 | expect_value(ulzman, srcn, TEST_DATA_2_SIZE); |
| 238 | expect_value(ulzman, dstn, TEST_DATA_2_SIZE); |
| 239 | expect_value(mem_pool_alloc, sz, TEST_DATA_2_SIZE); |
| 240 | expect_lookup_result(CB_SUCCESS); |
| 241 | mapping = cbfs_map(TEST_DATA_2_FILENAME, &size_out); |
| 242 | assert_non_null(mapping); |
| 243 | assert_int_equal(TEST_DATA_2_SIZE, size_out); |
| 244 | assert_memory_equal(mapping, test_data_2, TEST_DATA_2_SIZE); |
| 245 | |
| 246 | expect_value(mem_pool_free, p, mapping); |
| 247 | cbfs_unmap(mapping); |
| 248 | |
| 249 | size_out = 0; |
| 250 | expect_lookup_result(CB_SUCCESS); |
| 251 | mapping = cbfs_map(TEST_DATA_INT_1_FILENAME, &size_out); |
| 252 | assert_non_null(mapping); |
| 253 | assert_int_equal(TEST_DATA_INT_1_SIZE, size_out); |
| 254 | assert_memory_equal(mapping, test_data_int_1, TEST_DATA_INT_1_SIZE); |
| 255 | |
| 256 | expect_value(mem_pool_free, p, mapping); |
| 257 | cbfs_unmap(mapping); |
| 258 | |
| 259 | /* Do not pass output pointer to size. It should work correctly. */ |
| 260 | expect_lookup_result(CB_SUCCESS); |
| 261 | mapping = cbfs_map(TEST_DATA_INT_2_FILENAME, NULL); |
| 262 | assert_non_null(mapping); |
| 263 | assert_memory_equal(mapping, test_data_int_2, TEST_DATA_INT_2_SIZE); |
| 264 | |
| 265 | expect_value(mem_pool_free, p, mapping); |
| 266 | cbfs_unmap(mapping); |
| 267 | |
| 268 | size_out = 0; |
| 269 | expect_value(ulz4fn, srcn, TEST_DATA_INT_3_SIZE); |
| 270 | expect_value(ulz4fn, dstn, TEST_DATA_INT_3_SIZE); |
| 271 | expect_value(mem_pool_alloc, sz, TEST_DATA_INT_3_SIZE); |
| 272 | expect_lookup_result(CB_SUCCESS); |
| 273 | mapping = cbfs_map(TEST_DATA_INT_3_FILENAME, &size_out); |
| 274 | assert_non_null(mapping); |
| 275 | assert_int_equal(TEST_DATA_INT_3_SIZE, size_out); |
| 276 | assert_memory_equal(mapping, test_data_int_3, TEST_DATA_INT_3_SIZE); |
| 277 | |
| 278 | expect_value(mem_pool_free, p, mapping); |
| 279 | cbfs_unmap(mapping); |
| 280 | |
| 281 | /* Nonexistent files */ |
| 282 | size_out = 0; |
| 283 | expect_lookup_result(CB_CBFS_NOT_FOUND); |
| 284 | mapping = cbfs_map("unknown_fname", &size_out); |
| 285 | assert_ptr_equal(NULL, mapping); |
| 286 | assert_int_equal(0, size_out); |
| 287 | |
| 288 | size_out = 0; |
| 289 | expect_lookup_result(CB_CBFS_NOT_FOUND); |
| 290 | mapping = cbfs_map("", &size_out); |
| 291 | assert_ptr_equal(NULL, mapping); |
| 292 | assert_int_equal(0, size_out); |
| 293 | } |
| 294 | |
| 295 | static void test_cbfs_cbmem_alloc(void **state) |
| 296 | { |
| 297 | void *mapping; |
| 298 | size_t size_out; |
| 299 | struct cbfs_test_state *s = *state; |
| 300 | const struct cbfs_test_file *cbfs_files[] = { |
| 301 | NULL, &test_file_1, &test_file_2, &test_file_int_1, |
| 302 | NULL, &test_file_int_2, &test_file_int_3, NULL, |
| 303 | }; |
| 304 | assert_int_equal( |
| 305 | 0, create_cbfs(cbfs_files, ARRAY_SIZE(cbfs_files), s->cbfs_buf, s->cbfs_size)); |
| 306 | assert_int_equal(CB_SUCCESS, cbfs_init_boot_device(&cbd, NULL)); |
| 307 | |
| 308 | /* Existing files */ |
| 309 | expect_lookup_result(CB_SUCCESS); |
| 310 | expect_value(cbmem_add, id, 0x0101); |
| 311 | expect_value(cbmem_add, size, TEST_DATA_1_SIZE); |
| 312 | mapping = cbfs_cbmem_alloc(TEST_DATA_1_FILENAME, 0x0101, &size_out); |
| 313 | assert_non_null(mapping); |
| 314 | assert_int_equal(TEST_DATA_1_SIZE, size_out); |
| 315 | assert_memory_equal(mapping, test_data_1, TEST_DATA_1_SIZE); |
| 316 | |
| 317 | expect_value(mem_pool_free, p, mapping); |
| 318 | cbfs_unmap(mapping); |
| 319 | |
| 320 | /* Do not pass output pointer to size. It should work correctly. */ |
| 321 | expect_value(ulzman, srcn, TEST_DATA_2_SIZE); |
| 322 | expect_value(ulzman, dstn, TEST_DATA_2_SIZE); |
| 323 | expect_lookup_result(CB_SUCCESS); |
| 324 | expect_value(cbmem_add, id, 0x0102); |
| 325 | expect_value(cbmem_add, size, TEST_DATA_2_SIZE); |
| 326 | mapping = cbfs_cbmem_alloc(TEST_DATA_2_FILENAME, 0x0102, NULL); |
| 327 | assert_non_null(mapping); |
| 328 | assert_memory_equal(mapping, test_data_2, TEST_DATA_2_SIZE); |
| 329 | |
| 330 | expect_value(mem_pool_free, p, mapping); |
| 331 | cbfs_unmap(mapping); |
| 332 | |
| 333 | size_out = 0; |
| 334 | expect_lookup_result(CB_SUCCESS); |
| 335 | expect_value(cbmem_add, id, 0x0201); |
| 336 | expect_value(cbmem_add, size, TEST_DATA_INT_1_SIZE); |
| 337 | mapping = cbfs_cbmem_alloc(TEST_DATA_INT_1_FILENAME, 0x0201, &size_out); |
| 338 | assert_non_null(mapping); |
| 339 | assert_int_equal(TEST_DATA_INT_1_SIZE, size_out); |
| 340 | assert_memory_equal(mapping, test_data_int_1, TEST_DATA_INT_1_SIZE); |
| 341 | |
| 342 | expect_value(mem_pool_free, p, mapping); |
| 343 | cbfs_unmap(mapping); |
| 344 | |
| 345 | size_out = 0; |
| 346 | expect_lookup_result(CB_SUCCESS); |
| 347 | expect_value(cbmem_add, id, 0x0202); |
| 348 | expect_value(cbmem_add, size, TEST_DATA_INT_2_SIZE); |
| 349 | mapping = cbfs_cbmem_alloc(TEST_DATA_INT_2_FILENAME, 0x0202, &size_out); |
| 350 | assert_non_null(mapping); |
| 351 | assert_int_equal(TEST_DATA_INT_2_SIZE, size_out); |
| 352 | assert_memory_equal(mapping, test_data_int_2, TEST_DATA_INT_2_SIZE); |
| 353 | |
| 354 | expect_value(mem_pool_free, p, mapping); |
| 355 | cbfs_unmap(mapping); |
| 356 | |
| 357 | size_out = 0; |
| 358 | expect_value(ulz4fn, srcn, TEST_DATA_INT_3_SIZE); |
| 359 | expect_value(ulz4fn, dstn, TEST_DATA_INT_3_SIZE); |
| 360 | expect_lookup_result(CB_SUCCESS); |
| 361 | expect_value(cbmem_add, id, 0x0203); |
| 362 | expect_value(cbmem_add, size, TEST_DATA_INT_2_SIZE); |
| 363 | mapping = cbfs_cbmem_alloc(TEST_DATA_INT_3_FILENAME, 0x0203, &size_out); |
| 364 | assert_non_null(mapping); |
| 365 | assert_int_equal(TEST_DATA_INT_3_SIZE, size_out); |
| 366 | assert_memory_equal(mapping, test_data_int_3, TEST_DATA_INT_3_SIZE); |
| 367 | |
| 368 | expect_value(mem_pool_free, p, mapping); |
| 369 | cbfs_unmap(mapping); |
| 370 | |
| 371 | /* Nonexistent files */ |
| 372 | size_out = 0; |
| 373 | expect_lookup_result(CB_CBFS_NOT_FOUND); |
| 374 | mapping = cbfs_cbmem_alloc("nothing-file", 0x0301, &size_out); |
| 375 | assert_null(mapping); |
| 376 | |
| 377 | size_out = 0; |
| 378 | expect_lookup_result(CB_CBFS_NOT_FOUND); |
| 379 | mapping = cbfs_cbmem_alloc("", 0x0302, &size_out); |
| 380 | assert_null(mapping); |
| 381 | } |
| 382 | |
| 383 | static void test_cbfs_image_not_aligned(void **state) |
| 384 | { |
| 385 | void *mapping; |
| 386 | size_t size_out; |
| 387 | struct cbfs_test_state *s = *state; |
| 388 | const struct cbfs_test_file *cbfs_files[] = { |
Jakub Czapiga | c08b6a7 | 2022-01-10 13:36:47 +0000 | [diff] [blame] | 389 | &test_file_int_1, |
| 390 | &test_file_2, |
Jakub Czapiga | b20aa09 | 2021-07-27 17:04:11 +0200 | [diff] [blame] | 391 | }; |
| 392 | assert_int_equal(0, create_cbfs(cbfs_files, ARRAY_SIZE(cbfs_files), &s->cbfs_buf[5], |
| 393 | s->cbfs_size - 5)); |
| 394 | assert_int_equal(CB_SUCCESS, cbfs_init_boot_device(&cbd, NULL)); |
| 395 | |
| 396 | size_out = 0; |
| 397 | expect_lookup_result(CB_CBFS_NOT_FOUND); |
| 398 | mapping = cbfs_map(TEST_DATA_INT_1_FILENAME, &size_out); |
| 399 | assert_null(mapping); |
| 400 | |
| 401 | size_out = 0; |
| 402 | expect_lookup_result(CB_CBFS_NOT_FOUND); |
| 403 | mapping = cbfs_map(TEST_DATA_2_FILENAME, &size_out); |
| 404 | assert_null(mapping); |
| 405 | } |
| 406 | |
| 407 | static void test_cbfs_file_not_aligned(void **state) |
| 408 | { |
| 409 | void *mapping; |
| 410 | size_t size_out; |
| 411 | struct cbfs_test_state *s = *state; |
| 412 | |
| 413 | memcpy(s->cbfs_buf, &test_file_int_2, sizeof(test_file_int_2)); |
| 414 | memcpy(&s->cbfs_buf[ALIGN_UP(sizeof(test_file_int_2), CBFS_ALIGNMENT) + 5], |
| 415 | &test_file_1, sizeof(test_file_1)); |
| 416 | assert_int_equal(CB_SUCCESS, cbfs_init_boot_device(&cbd, NULL)); |
| 417 | |
| 418 | size_out = 0; |
| 419 | expect_lookup_result(CB_SUCCESS); |
| 420 | mapping = cbfs_map(TEST_DATA_INT_2_FILENAME, &size_out); |
| 421 | assert_ptr_equal(mapping, |
| 422 | &s->cbfs_buf[offsetof(struct cbfs_test_file, attrs_and_data)]); |
| 423 | |
| 424 | size_out = 0; |
| 425 | expect_lookup_result(CB_CBFS_NOT_FOUND); |
| 426 | mapping = cbfs_map(TEST_DATA_1_FILENAME, &size_out); |
| 427 | assert_null(mapping); |
| 428 | } |
| 429 | |
| 430 | static void test_cbfs_garbage_data_before_aligned_file(void **state) |
| 431 | { |
| 432 | void *mapping; |
| 433 | size_t size_out; |
| 434 | const char garbage[] = |
| 435 | "NOT so USEFUL DaTa BYTES that should have at least CBFS_ALIGNMENT bytes"; |
| 436 | const size_t garbage_sz = CBFS_ALIGNMENT; |
| 437 | struct cbfs_test_state *s = *state; |
| 438 | |
| 439 | /* Garbage data size has to be aligned to CBFS_ALIGNMENT */ |
| 440 | memcpy(s->cbfs_buf, garbage, garbage_sz); |
| 441 | memcpy(&s->cbfs_buf[garbage_sz], &test_file_int_2, sizeof(test_file_int_2)); |
| 442 | assert_int_equal(CB_SUCCESS, cbfs_init_boot_device(&cbd, NULL)); |
| 443 | |
| 444 | size_out = 0; |
| 445 | expect_lookup_result(CB_SUCCESS); |
| 446 | mapping = cbfs_map(TEST_DATA_INT_2_FILENAME, &size_out); |
| 447 | assert_ptr_equal( |
| 448 | mapping, |
| 449 | &s->cbfs_buf[garbage_sz + offsetof(struct cbfs_test_file, attrs_and_data)]); |
| 450 | } |
| 451 | |
| 452 | static void test_cbfs_garbage_data_before_unaligned_file(void **state) |
| 453 | { |
| 454 | void *mapping; |
| 455 | size_t size_out; |
| 456 | const char garbage[] = |
| 457 | "NOT so USEFUL DaTa BYTES that should have at least CBFS_ALIGNMENT + 3 bytes"; |
| 458 | const size_t garbage_sz = CBFS_ALIGNMENT + 3; |
| 459 | struct cbfs_test_state *s = *state; |
| 460 | |
| 461 | assert_true(garbage_sz == (CBFS_ALIGNMENT + 3)); |
| 462 | memcpy(s->cbfs_buf, garbage, garbage_sz); |
| 463 | memcpy(&s->cbfs_buf[garbage_sz], &test_file_int_2, sizeof(test_file_int_2)); |
| 464 | assert_int_equal(CB_SUCCESS, cbfs_init_boot_device(&cbd, NULL)); |
| 465 | |
| 466 | size_out = 0; |
| 467 | expect_lookup_result(CB_CBFS_NOT_FOUND); |
| 468 | mapping = cbfs_map(TEST_DATA_INT_2_FILENAME, &size_out); |
| 469 | assert_null(mapping); |
| 470 | } |
| 471 | |
| 472 | static void test_cbfs_file_bigger_than_rdev(void **state) |
| 473 | { |
| 474 | void *mapping; |
| 475 | size_t size_out; |
| 476 | struct cbfs_test_state *s = *state; |
| 477 | struct cbfs_test_file *f; |
| 478 | memcpy(s->cbfs_buf, &test_file_1, sizeof(test_file_1)); |
| 479 | f = (struct cbfs_test_file *)s->cbfs_buf; |
| 480 | /* File with length equal to region_device size will go beyond it */ |
| 481 | f->header.len = cpu_to_be32(s->cbfs_size); |
| 482 | |
| 483 | /* Initialization and mcache building will succeed, because it only does access file |
| 484 | headers, and not actual data */ |
| 485 | assert_int_equal(CB_SUCCESS, cbfs_init_boot_device(&cbd, NULL)); |
| 486 | |
| 487 | size_out = 0; |
| 488 | /* Lookup should not succeed, because data is too long, so reading it later would cause |
| 489 | memory access issues */ |
| 490 | expect_lookup_result(CB_CBFS_NOT_FOUND); |
| 491 | mapping = cbfs_map(TEST_DATA_1_FILENAME, &size_out); |
| 492 | assert_null(mapping); |
| 493 | } |
| 494 | |
| 495 | static void test_cbfs_fail_beyond_rdev(void **state) |
| 496 | { |
| 497 | void *mapping; |
| 498 | size_t size_out; |
| 499 | struct cbfs_test_state *s = *state; |
| 500 | size_t second_file_start = ALIGN_UP(sizeof(test_file_1), CBFS_ALIGNMENT); |
| 501 | |
| 502 | memcpy(s->cbfs_buf, &test_file_1, sizeof(test_file_1)); |
| 503 | memcpy(&s->cbfs_buf[second_file_start], &test_file_2, s->ex.file_length); |
| 504 | assert_true((second_file_start + s->ex.file_length) <= region_sz(&cbd.rdev.region)); |
| 505 | /* Adjust size of region device to cut everything after selected offset */ |
| 506 | cbd.rdev.region.size = second_file_start + s->ex.file_length; |
| 507 | |
| 508 | /* CBFS initialization should not fail if last file is not valid */ |
| 509 | assert_int_equal(CB_SUCCESS, cbfs_init_boot_device(&cbd, NULL)); |
| 510 | |
| 511 | size_out = 0; |
| 512 | expect_lookup_result(CB_SUCCESS); |
| 513 | mapping = cbfs_map(TEST_DATA_1_FILENAME, &size_out); |
| 514 | assert_ptr_equal(mapping, &s->cbfs_buf[be32_to_cpu(test_file_1.header.offset)]); |
| 515 | assert_int_equal(size_out, TEST_DATA_1_SIZE); |
| 516 | |
| 517 | size_out = 0; |
| 518 | if (s->ex.lookup_result == CB_SUCCESS) { |
| 519 | expect_value(ulzman, srcn, TEST_DATA_2_SIZE); |
| 520 | expect_value(ulzman, dstn, TEST_DATA_2_SIZE); |
| 521 | expect_value(mem_pool_alloc, sz, TEST_DATA_2_SIZE); |
| 522 | } |
| 523 | expect_lookup_result(s->ex.lookup_result); |
| 524 | cbfs_map(TEST_DATA_2_FILENAME, &size_out); |
| 525 | } |
| 526 | |
| 527 | static void test_cbfs_unaligned_file_in_the_middle(void **state) |
| 528 | { |
| 529 | void *mapping; |
| 530 | size_t size_out; |
| 531 | struct cbfs_test_state *s = *state; |
| 532 | size_t second_file_start = ALIGN_UP(sizeof(test_file_1), CBFS_ALIGNMENT) + 5; |
| 533 | size_t third_file_start = |
| 534 | ALIGN_UP(sizeof(test_file_int_1) + second_file_start, CBFS_ALIGNMENT); |
| 535 | |
| 536 | memcpy(s->cbfs_buf, &test_file_1, sizeof(test_file_1)); |
| 537 | memcpy(&s->cbfs_buf[second_file_start], &test_file_int_1, sizeof(test_file_int_1)); |
| 538 | memcpy(&s->cbfs_buf[third_file_start], &test_file_int_2, sizeof(test_file_int_2)); |
| 539 | |
| 540 | assert_int_equal(CB_SUCCESS, cbfs_init_boot_device(&cbd, NULL)); |
| 541 | |
| 542 | size_out = 0; |
| 543 | expect_lookup_result(CB_SUCCESS); |
| 544 | mapping = cbfs_map(TEST_DATA_1_FILENAME, &size_out); |
| 545 | assert_ptr_equal(mapping, &s->cbfs_buf[be32_to_cpu(test_file_1.header.offset)]); |
| 546 | assert_int_equal(size_out, be32_to_cpu(test_file_1.header.len)); |
| 547 | |
| 548 | size_out = 0; |
| 549 | expect_lookup_result(CB_CBFS_NOT_FOUND); |
| 550 | mapping = cbfs_map(TEST_DATA_INT_1_FILENAME, &size_out); |
| 551 | assert_null(mapping); |
| 552 | |
| 553 | size_out = 0; |
| 554 | expect_lookup_result(CB_SUCCESS); |
| 555 | mapping = cbfs_map(TEST_DATA_INT_2_FILENAME, &size_out); |
| 556 | assert_ptr_equal( |
| 557 | mapping, |
| 558 | &s->cbfs_buf[third_file_start + be32_to_cpu(test_file_int_2.header.offset)]); |
| 559 | assert_int_equal(size_out, be32_to_cpu(test_file_int_2.header.len)); |
| 560 | } |
| 561 | |
| 562 | static void test_cbfs_overlapping_files(void **state) |
| 563 | { |
| 564 | void *mapping; |
| 565 | size_t size_out; |
| 566 | struct cbfs_test_state *s = *state; |
| 567 | size_t second_file_start = ALIGN_UP(sizeof(test_file_1), CBFS_ALIGNMENT); |
| 568 | size_t third_file_start = |
| 569 | ALIGN_UP(sizeof(test_file_int_1) + second_file_start, CBFS_ALIGNMENT); |
| 570 | size_t second_file_size = |
| 571 | third_file_start + sizeof(test_file_int_2) - second_file_start; |
| 572 | struct cbfs_test_file *f; |
| 573 | |
| 574 | /* Third file is inside second file, thus it should not be found */ |
| 575 | memcpy(s->cbfs_buf, &test_file_1, sizeof(test_file_1)); |
| 576 | memcpy(&s->cbfs_buf[second_file_start], &test_file_int_1, sizeof(test_file_int_1)); |
| 577 | memcpy(&s->cbfs_buf[third_file_start], &test_file_int_2, sizeof(test_file_int_2)); |
| 578 | f = (struct cbfs_test_file *)&s->cbfs_buf[second_file_start]; |
| 579 | f->header.len = cpu_to_be32(second_file_size); |
| 580 | |
| 581 | assert_int_equal(CB_SUCCESS, cbfs_init_boot_device(&cbd, NULL)); |
| 582 | |
| 583 | size_out = 0; |
| 584 | expect_lookup_result(CB_SUCCESS); |
| 585 | mapping = cbfs_map(TEST_DATA_1_FILENAME, &size_out); |
| 586 | assert_ptr_equal(mapping, &s->cbfs_buf[be32_to_cpu(test_file_1.header.offset)]); |
| 587 | assert_int_equal(size_out, be32_to_cpu(test_file_1.header.len)); |
| 588 | |
| 589 | size_out = 0; |
| 590 | expect_lookup_result(CB_SUCCESS); |
| 591 | mapping = cbfs_map(TEST_DATA_INT_1_FILENAME, &size_out); |
| 592 | assert_ptr_equal( |
| 593 | mapping, |
| 594 | &s->cbfs_buf[second_file_start + be32_to_cpu(test_file_int_1.header.offset)]); |
| 595 | assert_int_equal(size_out, second_file_size); |
| 596 | |
| 597 | size_out = 0; |
| 598 | expect_lookup_result(CB_CBFS_NOT_FOUND); |
| 599 | mapping = cbfs_map(TEST_DATA_INT_2_FILENAME, &size_out); |
| 600 | assert_null(mapping); |
| 601 | } |
| 602 | |
| 603 | static void test_cbfs_incorrect_file_in_the_middle(void **state) |
| 604 | { |
| 605 | void *mapping; |
| 606 | size_t size_out; |
| 607 | struct cbfs_test_state *s = *state; |
| 608 | size_t second_file_start = ALIGN_UP(sizeof(test_file_1), CBFS_ALIGNMENT); |
| 609 | size_t third_file_start = |
| 610 | ALIGN_UP(sizeof(test_file_int_1) + second_file_start, CBFS_ALIGNMENT); |
| 611 | struct cbfs_test_file *f; |
| 612 | |
| 613 | /* Zero offset is illegal. File is not correct */ |
| 614 | memcpy(s->cbfs_buf, &test_file_1, sizeof(test_file_1)); |
| 615 | memcpy(&s->cbfs_buf[second_file_start], &test_file_int_1, sizeof(test_file_int_1)); |
| 616 | memcpy(&s->cbfs_buf[third_file_start], &test_file_int_2, sizeof(test_file_int_2)); |
| 617 | f = (struct cbfs_test_file *)&s->cbfs_buf[second_file_start]; |
| 618 | f->header.offset = cpu_to_be32(0); |
| 619 | |
| 620 | assert_int_equal(CB_SUCCESS, cbfs_init_boot_device(&cbd, NULL)); |
| 621 | |
| 622 | size_out = 0; |
| 623 | expect_lookup_result(CB_SUCCESS); |
| 624 | mapping = cbfs_map(TEST_DATA_1_FILENAME, &size_out); |
| 625 | assert_ptr_equal(mapping, &s->cbfs_buf[be32_to_cpu(test_file_1.header.offset)]); |
| 626 | assert_int_equal(size_out, be32_to_cpu(test_file_1.header.len)); |
| 627 | |
| 628 | size_out = 0; |
| 629 | expect_lookup_result(CB_CBFS_NOT_FOUND); |
| 630 | mapping = cbfs_map(TEST_DATA_INT_1_FILENAME, &size_out); |
| 631 | assert_null(mapping); |
| 632 | |
| 633 | size_out = 0; |
| 634 | expect_lookup_result(CB_SUCCESS); |
| 635 | mapping = cbfs_map(TEST_DATA_INT_2_FILENAME, &size_out); |
| 636 | assert_ptr_equal( |
| 637 | mapping, |
| 638 | &s->cbfs_buf[third_file_start + be32_to_cpu(test_file_int_2.header.offset)]); |
| 639 | assert_int_equal(size_out, be32_to_cpu(test_file_int_2.header.len)); |
| 640 | } |
| 641 | |
| 642 | static void test_cbfs_two_files_with_same_name(void **state) |
| 643 | { |
| 644 | void *mapping; |
| 645 | size_t size_out; |
| 646 | struct cbfs_test_state *s = *state; |
| 647 | size_t second_file_start = ALIGN_UP(sizeof(test_file_1), CBFS_ALIGNMENT); |
| 648 | size_t third_file_start = |
| 649 | ALIGN_UP(sizeof(test_file_1) + second_file_start, CBFS_ALIGNMENT); |
| 650 | |
| 651 | /* Only first occurrence of file will be found */ |
| 652 | memcpy(s->cbfs_buf, &test_file_1, sizeof(test_file_1)); |
| 653 | memcpy(&s->cbfs_buf[second_file_start], &test_file_1, sizeof(test_file_1)); |
| 654 | memcpy(&s->cbfs_buf[third_file_start], &test_file_int_1, sizeof(test_file_int_1)); |
| 655 | |
| 656 | assert_int_equal(CB_SUCCESS, cbfs_init_boot_device(&cbd, NULL)); |
| 657 | |
| 658 | size_out = 0; |
| 659 | expect_lookup_result(CB_SUCCESS); |
| 660 | mapping = cbfs_map(TEST_DATA_1_FILENAME, &size_out); |
| 661 | assert_ptr_equal(mapping, &s->cbfs_buf[be32_to_cpu(test_file_1.header.offset)]); |
| 662 | assert_int_equal(size_out, be32_to_cpu(test_file_1.header.len)); |
| 663 | |
| 664 | size_out = 0; |
| 665 | expect_lookup_result(CB_SUCCESS); |
| 666 | mapping = cbfs_map(TEST_DATA_INT_1_FILENAME, &size_out); |
Jakub Czapiga | c08b6a7 | 2022-01-10 13:36:47 +0000 | [diff] [blame] | 667 | assert_ptr_equal( |
| 668 | mapping, |
| 669 | &s->cbfs_buf[third_file_start + be32_to_cpu(test_file_int_1.header.offset)]); |
Jakub Czapiga | b20aa09 | 2021-07-27 17:04:11 +0200 | [diff] [blame] | 670 | assert_int_equal(size_out, be32_to_cpu(test_file_int_1.header.len)); |
| 671 | } |
| 672 | |
| 673 | static void test_cbfs_filename_not_terminated(void **state) |
| 674 | { |
| 675 | void *mapping; |
| 676 | size_t size_out; |
| 677 | struct cbfs_test_state *s = *state; |
| 678 | struct cbfs_test_file *f; |
| 679 | const char fname[] = "abcdefghijklmnop"; |
| 680 | |
| 681 | assert_true(sizeof(test_file_1.filename) == strlen(fname)); |
| 682 | memcpy(s->cbfs_buf, &test_file_1, sizeof(test_file_1)); |
| 683 | f = (struct cbfs_test_file *)s->cbfs_buf; |
| 684 | memcpy(f->filename, fname, strlen(fname)); |
| 685 | |
| 686 | assert_int_equal(CB_SUCCESS, cbfs_init_boot_device(&cbd, NULL)); |
| 687 | |
| 688 | size_out = 0; |
| 689 | /* Filename is too long and does not include NULL-terminator. */ |
| 690 | expect_lookup_result(CB_CBFS_NOT_FOUND); |
| 691 | mapping = cbfs_map(fname, &size_out); |
| 692 | assert_null(mapping); |
| 693 | } |
| 694 | |
| 695 | static void test_cbfs_filename_terminated_but_too_long(void **state) |
| 696 | { |
| 697 | void *mapping; |
| 698 | size_t size_out; |
| 699 | struct cbfs_test_state *s = *state; |
| 700 | struct cbfs_test_file *f; |
| 701 | |
| 702 | /* Filename length in header offset field is too short by one to include |
| 703 | NULL-terminator of filename */ |
| 704 | memcpy(s->cbfs_buf, &test_file_1, sizeof(test_file_1)); |
| 705 | f = (struct cbfs_test_file *)s->cbfs_buf; |
| 706 | f->header.offset = cpu_to_be32(offsetof(struct cbfs_test_file, filename) |
| 707 | + strlen(TEST_DATA_1_FILENAME)); |
| 708 | |
| 709 | assert_int_equal(CB_SUCCESS, cbfs_init_boot_device(&cbd, NULL)); |
| 710 | |
| 711 | size_out = 0; |
| 712 | expect_lookup_result(CB_CBFS_NOT_FOUND); |
| 713 | mapping = cbfs_map(TEST_DATA_1_FILENAME, &size_out); |
| 714 | assert_null(mapping); |
| 715 | } |
| 716 | |
| 717 | static void test_cbfs_attributes_offset_larger_than_offset(void **state) |
| 718 | { |
| 719 | void *mapping; |
| 720 | size_t size_out; |
| 721 | struct cbfs_test_state *s = *state; |
| 722 | struct cbfs_test_file *f; |
| 723 | |
| 724 | /* Require attributes for this test */ |
| 725 | assert_true(be32_to_cpu(test_file_2.header.attributes_offset) != 0); |
| 726 | memcpy(s->cbfs_buf, &test_file_2, sizeof(test_file_2)); |
| 727 | f = (struct cbfs_test_file *)s->cbfs_buf; |
Jakub Czapiga | c08b6a7 | 2022-01-10 13:36:47 +0000 | [diff] [blame] | 728 | f->header.attributes_offset = cpu_to_be32(sizeof(struct cbfs_file) + FILENAME_SIZE |
| 729 | + sizeof(struct cbfs_file_attr_compression)); |
Jakub Czapiga | b20aa09 | 2021-07-27 17:04:11 +0200 | [diff] [blame] | 730 | f->header.offset = cpu_to_be32(sizeof(struct cbfs_file) + FILENAME_SIZE); |
| 731 | |
| 732 | assert_int_equal(CB_SUCCESS, cbfs_init_boot_device(&cbd, NULL)); |
| 733 | |
| 734 | size_out = 0; |
| 735 | expect_lookup_result(CB_CBFS_NOT_FOUND); |
| 736 | mapping = cbfs_map(TEST_DATA_2_FILENAME, &size_out); |
| 737 | assert_null(mapping); |
| 738 | } |
| 739 | |
| 740 | static void test_cbfs_attributes_offset_cut_off_at_len(void **state) |
| 741 | { |
| 742 | void *mapping; |
| 743 | size_t size_out; |
| 744 | struct cbfs_test_state *s = *state; |
| 745 | struct cbfs_test_file *f; |
| 746 | |
| 747 | /* Require attributes for this test */ |
| 748 | assert_true(be32_to_cpu(test_file_2.header.attributes_offset) != 0); |
| 749 | memcpy(s->cbfs_buf, &test_file_2, sizeof(test_file_2)); |
| 750 | f = (struct cbfs_test_file *)s->cbfs_buf; |
| 751 | f->header.attributes_offset = |
| 752 | cpu_to_be32(offsetof(struct cbfs_test_file, attrs_and_data) |
| 753 | + offsetof(struct cbfs_file_attribute, len)); |
| 754 | |
| 755 | assert_int_equal(CB_SUCCESS, cbfs_init_boot_device(&cbd, NULL)); |
| 756 | |
| 757 | /* No attributes will be found, because attributes_offset value is too big to cover |
| 758 | cbfs_file_attribute tag. Compression attribute of ths file will not be found, and |
| 759 | that is why there is no need to call expect_value(ulzma). |
| 760 | However, file will be found, because the offset is correct. */ |
| 761 | size_out = 0; |
| 762 | expect_lookup_result(CB_SUCCESS); |
| 763 | mapping = cbfs_map(TEST_DATA_2_FILENAME, &size_out); |
| 764 | assert_ptr_equal(mapping, &s->cbfs_buf[be32_to_cpu(f->header.offset)]); |
| 765 | assert_int_equal(size_out, TEST_DATA_2_SIZE); |
| 766 | } |
| 767 | |
| 768 | static void test_cbfs_attributes_offset_cut_off_at_data(void **state) |
| 769 | { |
| 770 | void *mapping; |
| 771 | size_t size_out; |
| 772 | struct cbfs_test_state *s = *state; |
| 773 | struct cbfs_test_file *f; |
| 774 | |
| 775 | /* Require attributes for this test */ |
| 776 | assert_true(be32_to_cpu(test_file_2.header.attributes_offset) != 0); |
| 777 | memcpy(s->cbfs_buf, &test_file_2, sizeof(test_file_2)); |
| 778 | f = (struct cbfs_test_file *)s->cbfs_buf; |
| 779 | f->header.attributes_offset = cpu_to_be32(sizeof(struct cbfs_file) + FILENAME_SIZE |
| 780 | + offsetof(struct cbfs_file_attribute, data)); |
| 781 | |
| 782 | assert_int_equal(CB_SUCCESS, cbfs_init_boot_device(&cbd, NULL)); |
| 783 | |
| 784 | /* No attributes will be found, because attributes_offset value is too big to cover |
| 785 | cbfs_file_attribute tag and length. Compression attribute of ths file will not be |
| 786 | found, and that is why there is no need to call expect_value(ulzma). |
| 787 | However, file will be found, because the offset is correct. */ |
| 788 | size_out = 0; |
| 789 | expect_lookup_result(CB_SUCCESS); |
| 790 | mapping = cbfs_map(TEST_DATA_2_FILENAME, &size_out); |
| 791 | assert_ptr_equal(mapping, &s->cbfs_buf[be32_to_cpu(f->header.offset)]); |
| 792 | assert_int_equal(size_out, TEST_DATA_2_SIZE); |
| 793 | } |
| 794 | |
| 795 | static void test_cbfs_attributes_offset_smaller_than_file_struct(void **state) |
| 796 | { |
| 797 | void *mapping; |
| 798 | size_t size_out; |
| 799 | struct cbfs_test_state *s = *state; |
| 800 | struct cbfs_test_file *f; |
| 801 | |
| 802 | assert_true(be32_to_cpu(test_file_2.header.attributes_offset) != 0); |
| 803 | memcpy(s->cbfs_buf, &test_file_2, sizeof(test_file_2)); |
| 804 | f = (struct cbfs_test_file *)s->cbfs_buf; |
| 805 | f->header.attributes_offset = cpu_to_be32(sizeof(struct cbfs_file) / 2); |
| 806 | |
| 807 | assert_int_equal(CB_SUCCESS, cbfs_init_boot_device(&cbd, NULL)); |
| 808 | |
| 809 | size_out = 0; |
| 810 | expect_lookup_result(CB_CBFS_NOT_FOUND); |
| 811 | mapping = cbfs_map(TEST_DATA_2_FILENAME, &size_out); |
| 812 | assert_null(mapping); |
| 813 | } |
| 814 | |
| 815 | static void test_cbfs_offset_smaller_than_header_size(void **state) |
| 816 | { |
| 817 | void *mapping; |
| 818 | size_t size_out; |
| 819 | struct cbfs_test_state *s = *state; |
| 820 | struct cbfs_test_file *f; |
| 821 | |
| 822 | assert_true(be32_to_cpu(test_file_int_1.header.attributes_offset) == 0); |
| 823 | memcpy(s->cbfs_buf, &test_file_int_1, sizeof(test_file_int_1)); |
| 824 | f = (struct cbfs_test_file *)s->cbfs_buf; |
| 825 | f->header.offset = cpu_to_be32(sizeof(struct cbfs_file) / 2); |
| 826 | |
| 827 | assert_int_equal(CB_SUCCESS, cbfs_init_boot_device(&cbd, NULL)); |
| 828 | |
| 829 | size_out = 0; |
| 830 | expect_lookup_result(CB_CBFS_NOT_FOUND); |
| 831 | mapping = cbfs_map(TEST_DATA_INT_1_FILENAME, &size_out); |
| 832 | assert_null(mapping); |
| 833 | } |
| 834 | |
| 835 | static void test_cbfs_attributes_offset_is_zero(void **state) |
| 836 | { |
| 837 | void *mapping; |
| 838 | size_t size_out; |
| 839 | struct cbfs_test_state *s = *state; |
| 840 | |
| 841 | assert_true(be32_to_cpu(test_file_int_1.header.attributes_offset) == 0); |
| 842 | memcpy(s->cbfs_buf, &test_file_int_1, sizeof(test_file_int_1)); |
| 843 | |
| 844 | assert_int_equal(CB_SUCCESS, cbfs_init_boot_device(&cbd, NULL)); |
| 845 | |
| 846 | size_out = 0; |
| 847 | expect_lookup_result(CB_SUCCESS); |
| 848 | mapping = cbfs_map(TEST_DATA_INT_1_FILENAME, &size_out); |
| 849 | assert_int_equal(TEST_DATA_INT_1_SIZE, size_out); |
| 850 | assert_ptr_equal(mapping, &s->cbfs_buf[be32_to_cpu(test_file_int_1.header.offset)]); |
| 851 | } |
| 852 | |
| 853 | static void test_cbfs_offset_is_zero(void **state) |
| 854 | { |
| 855 | void *mapping; |
| 856 | size_t size_out; |
| 857 | struct cbfs_test_state *s = *state; |
| 858 | struct cbfs_test_file *f; |
| 859 | |
| 860 | assert_true(be32_to_cpu(test_file_int_1.header.attributes_offset) == 0); |
| 861 | memcpy(s->cbfs_buf, &test_file_int_1, sizeof(test_file_int_1)); |
| 862 | f = (struct cbfs_test_file *)s->cbfs_buf; |
| 863 | f->header.offset = cpu_to_be32(0); |
| 864 | |
| 865 | assert_int_equal(CB_SUCCESS, cbfs_init_boot_device(&cbd, NULL)); |
| 866 | |
| 867 | size_out = 0; |
| 868 | expect_lookup_result(CB_CBFS_NOT_FOUND); |
| 869 | mapping = cbfs_map(TEST_DATA_INT_1_FILENAME, &size_out); |
| 870 | assert_null(mapping); |
| 871 | } |
| 872 | |
| 873 | static void test_cbfs_attributes_too_large(void **state) |
| 874 | { |
| 875 | void *mapping; |
| 876 | size_t size_out; |
| 877 | struct cbfs_test_state *s = *state; |
| 878 | struct cbfs_test_file *f; |
| 879 | |
| 880 | assert_true(be32_to_cpu(test_file_2.header.attributes_offset) != 0); |
| 881 | memcpy(s->cbfs_buf, &test_file_2, sizeof(test_file_2)); |
| 882 | f = (struct cbfs_test_file *)s->cbfs_buf; |
| 883 | /* Offset determines size of header and attributes. CBFS module uses cbfs_mdata union to |
| 884 | store it, so offset (thus attributes) bigger than it should cause an error in the |
| 885 | lookup code. */ |
| 886 | f->header.offset = |
| 887 | cpu_to_be32(be32_to_cpu(f->header.offset) + sizeof(union cbfs_mdata)); |
| 888 | |
| 889 | assert_int_equal(CB_SUCCESS, cbfs_init_boot_device(&cbd, NULL)); |
| 890 | |
| 891 | size_out = 0; |
| 892 | expect_lookup_result(CB_CBFS_NOT_FOUND); |
| 893 | mapping = cbfs_map(TEST_DATA_2_FILENAME, &size_out); |
| 894 | assert_null(mapping); |
| 895 | } |
| 896 | |
| 897 | /* Requires cbfs_test_state.ex.file_length to be set */ |
| 898 | static void test_cbfs_file_length(void **state) |
| 899 | { |
| 900 | void *mapping; |
| 901 | size_t size_out; |
| 902 | struct cbfs_test_state *s = *state; |
| 903 | struct cbfs_test_file *f; |
| 904 | |
| 905 | assert_true(be32_to_cpu(test_file_1.header.attributes_offset) == 0); |
| 906 | memcpy(s->cbfs_buf, &test_file_1, sizeof(test_file_1)); |
| 907 | f = (struct cbfs_test_file *)s->cbfs_buf; |
| 908 | f->header.len = cpu_to_be32(s->ex.file_length); |
| 909 | |
| 910 | assert_int_equal(CB_SUCCESS, cbfs_init_boot_device(&cbd, NULL)); |
| 911 | |
| 912 | size_out = 0; |
| 913 | expect_lookup_result(CB_CBFS_NOT_FOUND); |
| 914 | mapping = cbfs_map(TEST_DATA_1_FILENAME, &size_out); |
| 915 | assert_null(mapping); |
| 916 | } |
| 917 | |
| 918 | static void test_cbfs_attributes_offset_uint32_max(void **state) |
| 919 | { |
| 920 | void *mapping; |
| 921 | size_t size_out; |
| 922 | struct cbfs_test_state *s = *state; |
| 923 | struct cbfs_test_file *f; |
| 924 | |
| 925 | assert_true(be32_to_cpu(test_file_1.header.attributes_offset) == 0); |
| 926 | memcpy(s->cbfs_buf, &test_file_1, sizeof(test_file_1)); |
| 927 | f = (struct cbfs_test_file *)s->cbfs_buf; |
| 928 | f->header.attributes_offset = cpu_to_be32(UINT32_MAX); |
| 929 | |
| 930 | assert_int_equal(CB_SUCCESS, cbfs_init_boot_device(&cbd, NULL)); |
| 931 | |
| 932 | size_out = 0; |
| 933 | expect_lookup_result(CB_CBFS_NOT_FOUND); |
| 934 | mapping = cbfs_map(TEST_DATA_1_FILENAME, &size_out); |
| 935 | assert_null(mapping); |
| 936 | } |
| 937 | |
| 938 | #define CBFS_LOOKUP_NAME_SETUP_PRESTATE_COMMON_TEST(name, test_fn, setup_fn, prestate) \ |
| 939 | { \ |
| 940 | (name), (test_fn), (setup_fn), teardown_test_cbfs, (prestate), \ |
| 941 | } |
| 942 | |
| 943 | #define CBFS_LOOKUP_NAME_PRESTATE_TEST(name, test_fn, prestate) \ |
| 944 | EMPTY_WRAP( \ |
| 945 | CBFS_LOOKUP_NAME_SETUP_PRESTATE_COMMON_TEST( \ |
| 946 | ("aligned, " name), (test_fn), setup_test_cbfs_aligned, (prestate)), \ |
Jakub Czapiga | c08b6a7 | 2022-01-10 13:36:47 +0000 | [diff] [blame] | 947 | CBFS_LOOKUP_NAME_SETUP_PRESTATE_COMMON_TEST(("unaligned, " name), (test_fn), \ |
| 948 | setup_test_cbfs_unaligned, \ |
| 949 | (prestate))) |
Jakub Czapiga | b20aa09 | 2021-07-27 17:04:11 +0200 | [diff] [blame] | 950 | |
| 951 | #define CBFS_LOOKUP_TEST(test_fn) CBFS_LOOKUP_NAME_PRESTATE_TEST(#test_fn, test_fn, NULL) |
| 952 | |
| 953 | #define CBFS_LOOKUP_TEST_FAIL_BEYOND_RDEV(name, file_len, lookup_res) \ |
| 954 | EMPTY_WRAP(CBFS_LOOKUP_NAME_PRESTATE_TEST(name ", CBFS_TYPE_RAW", \ |
| 955 | test_cbfs_fail_beyond_rdev, \ |
| 956 | (&(struct cbfs_test_state_ex){ \ |
| 957 | .file_type = CBFS_TYPE_RAW, \ |
| 958 | .file_length = (file_len), \ |
| 959 | .lookup_result = (lookup_res), \ |
| 960 | })), \ |
| 961 | CBFS_LOOKUP_NAME_PRESTATE_TEST(name ", CBFS_TYPE_NULL", \ |
| 962 | test_cbfs_fail_beyond_rdev, \ |
| 963 | (&(struct cbfs_test_state_ex){ \ |
| 964 | .file_type = CBFS_TYPE_NULL, \ |
| 965 | .file_length = (file_len), \ |
| 966 | .lookup_result = (lookup_res), \ |
| 967 | }))) |
| 968 | |
| 969 | #define CBFS_LOOKUP_TEST_FILE_LENGTH(file_len) \ |
| 970 | CBFS_LOOKUP_NAME_PRESTATE_TEST("test_cbfs_file_length, " #file_len, \ |
| 971 | test_cbfs_file_length, \ |
| 972 | (&(struct cbfs_test_state_ex){ \ |
| 973 | .file_length = (file_len), \ |
| 974 | })) |
| 975 | |
| 976 | int main(void) |
| 977 | { |
| 978 | const struct CMUnitTest cbfs_lookup_aligned_and_unaligned_tests[] = { |
| 979 | CBFS_LOOKUP_TEST(test_cbfs_map), |
| 980 | CBFS_LOOKUP_TEST(test_cbfs_cbmem_alloc), |
| 981 | |
| 982 | CBFS_LOOKUP_TEST(test_cbfs_image_not_aligned), |
| 983 | CBFS_LOOKUP_TEST(test_cbfs_file_not_aligned), |
| 984 | |
| 985 | CBFS_LOOKUP_TEST(test_cbfs_garbage_data_before_aligned_file), |
| 986 | CBFS_LOOKUP_TEST(test_cbfs_garbage_data_before_unaligned_file), |
| 987 | |
| 988 | CBFS_LOOKUP_TEST(test_cbfs_file_bigger_than_rdev), |
| 989 | |
| 990 | /* Correct file */ |
| 991 | CBFS_LOOKUP_TEST_FAIL_BEYOND_RDEV("File fitting in rdev", |
| 992 | sizeof(struct cbfs_test_file), CB_SUCCESS), |
| 993 | |
| 994 | /* Attributes beyond rdev */ |
| 995 | CBFS_LOOKUP_TEST_FAIL_BEYOND_RDEV( |
| 996 | "Attributes and data beyond rdev", |
| 997 | offsetof(struct cbfs_test_file, attrs_and_data), CB_CBFS_NOT_FOUND), |
| 998 | |
| 999 | /* Attributes except tag beyond rdev */ |
| 1000 | CBFS_LOOKUP_TEST_FAIL_BEYOND_RDEV( |
| 1001 | "Attributes except tag beyond rdev", |
| 1002 | offsetof(struct cbfs_test_file, attrs_and_data) |
| 1003 | - offsetof(struct cbfs_file_attribute, len), |
| 1004 | CB_CBFS_NOT_FOUND), |
| 1005 | |
| 1006 | /* Attributes except tag and len beyond rdev */ |
| 1007 | CBFS_LOOKUP_TEST_FAIL_BEYOND_RDEV( |
| 1008 | "Attributes except tag and len beyond rdev", |
| 1009 | offsetof(struct cbfs_test_file, attrs_and_data) |
| 1010 | - offsetof(struct cbfs_file_attribute, data), |
| 1011 | CB_CBFS_NOT_FOUND), |
| 1012 | |
| 1013 | /* Filename beyond rdev */ |
| 1014 | CBFS_LOOKUP_TEST_FAIL_BEYOND_RDEV("Filename beyond rdev", |
| 1015 | offsetof(struct cbfs_test_file, filename), |
| 1016 | CB_CBFS_NOT_FOUND), |
| 1017 | |
| 1018 | /* Part of filename beyond rdev */ |
| 1019 | CBFS_LOOKUP_TEST_FAIL_BEYOND_RDEV("Part of filename beyond rdev", |
| 1020 | offsetof(struct cbfs_test_file, filename) |
| 1021 | + FILENAME_SIZE / 2, |
| 1022 | CB_CBFS_NOT_FOUND), |
| 1023 | |
| 1024 | /* Part of cbfs_file struct beyond rdev */ |
| 1025 | CBFS_LOOKUP_TEST_FAIL_BEYOND_RDEV("Part of cbfs_file struct beyond rdev", |
| 1026 | offsetof(struct cbfs_test_file, filename) / 2, |
| 1027 | CB_CBFS_NOT_FOUND), |
| 1028 | |
| 1029 | CBFS_LOOKUP_TEST(test_cbfs_unaligned_file_in_the_middle), |
| 1030 | CBFS_LOOKUP_TEST(test_cbfs_overlapping_files), |
| 1031 | CBFS_LOOKUP_TEST(test_cbfs_incorrect_file_in_the_middle), |
| 1032 | |
| 1033 | CBFS_LOOKUP_TEST(test_cbfs_two_files_with_same_name), |
| 1034 | |
| 1035 | CBFS_LOOKUP_TEST(test_cbfs_filename_not_terminated), |
| 1036 | CBFS_LOOKUP_TEST(test_cbfs_filename_terminated_but_too_long), |
| 1037 | |
| 1038 | CBFS_LOOKUP_TEST(test_cbfs_attributes_offset_larger_than_offset), |
| 1039 | CBFS_LOOKUP_TEST(test_cbfs_attributes_offset_cut_off_at_len), |
| 1040 | CBFS_LOOKUP_TEST(test_cbfs_attributes_offset_cut_off_at_data), |
| 1041 | |
| 1042 | CBFS_LOOKUP_TEST(test_cbfs_attributes_offset_smaller_than_file_struct), |
| 1043 | |
| 1044 | CBFS_LOOKUP_TEST(test_cbfs_offset_smaller_than_header_size), |
| 1045 | CBFS_LOOKUP_TEST(test_cbfs_attributes_offset_is_zero), |
| 1046 | CBFS_LOOKUP_TEST(test_cbfs_offset_is_zero), |
| 1047 | CBFS_LOOKUP_TEST(test_cbfs_attributes_too_large), |
| 1048 | |
| 1049 | CBFS_LOOKUP_TEST_FILE_LENGTH(UINT32_MAX), |
| 1050 | CBFS_LOOKUP_TEST_FILE_LENGTH(UINT32_MAX |
| 1051 | - offsetof(struct cbfs_test_file, attrs_and_data)), |
| 1052 | CBFS_LOOKUP_TEST_FILE_LENGTH( |
| 1053 | UINT32_MAX - offsetof(struct cbfs_test_file, attrs_and_data) / 2), |
| 1054 | CBFS_LOOKUP_TEST_FILE_LENGTH( |
| 1055 | UINT32_MAX - offsetof(struct cbfs_test_file, attrs_and_data) * 2), |
| 1056 | CBFS_LOOKUP_TEST_FILE_LENGTH( |
| 1057 | UINT32_MAX - offsetof(struct cbfs_test_file, attrs_and_data) - 1), |
| 1058 | CBFS_LOOKUP_TEST_FILE_LENGTH( |
| 1059 | UINT32_MAX - offsetof(struct cbfs_test_file, attrs_and_data) + 1), |
| 1060 | |
| 1061 | CBFS_LOOKUP_TEST(test_cbfs_attributes_offset_uint32_max), |
| 1062 | }; |
| 1063 | |
| 1064 | return cb_run_group_tests(cbfs_lookup_aligned_and_unaligned_tests, NULL, NULL); |
| 1065 | } |