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0284adc6 LP |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2012 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU Lesser General Public License as published by | |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | Lesser General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU Lesser General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
22 | #include <unistd.h> | |
23 | #include <sys/mman.h> | |
24 | #include <fcntl.h> | |
feb12d3e | 25 | #include <stddef.h> |
0284adc6 LP |
26 | |
27 | #include "util.h" | |
28 | #include "macro.h" | |
29 | #include "journal-def.h" | |
30 | #include "journal-file.h" | |
31 | #include "journal-authenticate.h" | |
32 | #include "journal-verify.h" | |
f59a5f6b | 33 | #include "lookup3.h" |
fd5dc320 | 34 | #include "compress.h" |
b7c9ae91 | 35 | #include "fsprg.h" |
f59a5f6b | 36 | |
0284adc6 | 37 | static int journal_file_object_verify(JournalFile *f, Object *o) { |
db11ac1a LP |
38 | uint64_t i; |
39 | ||
0284adc6 LP |
40 | assert(f); |
41 | assert(o); | |
42 | ||
43 | /* This does various superficial tests about the length an | |
44 | * possible field values. It does not follow any references to | |
45 | * other objects. */ | |
46 | ||
f59a5f6b LP |
47 | if ((o->object.flags & OBJECT_COMPRESSED) && |
48 | o->object.type != OBJECT_DATA) | |
49 | return -EBADMSG; | |
50 | ||
0284adc6 | 51 | switch (o->object.type) { |
f59a5f6b | 52 | |
fd5dc320 LP |
53 | case OBJECT_DATA: { |
54 | uint64_t h1, h2; | |
55 | ||
0284adc6 LP |
56 | if (le64toh(o->data.entry_offset) <= 0 || |
57 | le64toh(o->data.n_entries) <= 0) | |
58 | return -EBADMSG; | |
59 | ||
60 | if (le64toh(o->object.size) - offsetof(DataObject, payload) <= 0) | |
61 | return -EBADMSG; | |
f59a5f6b | 62 | |
fd5dc320 | 63 | h1 = le64toh(o->data.hash); |
f59a5f6b | 64 | |
fd5dc320 | 65 | if (o->object.flags & OBJECT_COMPRESSED) { |
70f09301 | 66 | #ifdef HAVE_XZ |
fd5dc320 LP |
67 | void *b = NULL; |
68 | uint64_t alloc = 0, b_size; | |
f59a5f6b | 69 | |
fd5dc320 LP |
70 | if (!uncompress_blob(o->data.payload, |
71 | le64toh(o->object.size) - offsetof(Object, data.payload), | |
72 | &b, &alloc, &b_size)) | |
f59a5f6b | 73 | return -EBADMSG; |
fd5dc320 LP |
74 | |
75 | h2 = hash64(b, b_size); | |
76 | free(b); | |
70f09301 YK |
77 | #else |
78 | return -EPROTONOSUPPORT; | |
79 | #endif | |
fd5dc320 LP |
80 | } else |
81 | h2 = hash64(o->data.payload, le64toh(o->object.size) - offsetof(Object, data.payload)); | |
82 | ||
83 | if (h1 != h2) | |
84 | return -EBADMSG; | |
f59a5f6b | 85 | |
db11ac1a LP |
86 | if (!VALID64(o->data.next_hash_offset) || |
87 | !VALID64(o->data.next_field_offset) || | |
88 | !VALID64(o->data.entry_offset) || | |
89 | !VALID64(o->data.entry_array_offset)) | |
90 | return -EBADMSG; | |
91 | ||
0284adc6 | 92 | break; |
fd5dc320 | 93 | } |
0284adc6 LP |
94 | |
95 | case OBJECT_FIELD: | |
96 | if (le64toh(o->object.size) - offsetof(FieldObject, payload) <= 0) | |
97 | return -EBADMSG; | |
db11ac1a LP |
98 | |
99 | if (!VALID64(o->field.next_hash_offset) || | |
100 | !VALID64(o->field.head_data_offset)) | |
101 | return -EBADMSG; | |
0284adc6 LP |
102 | break; |
103 | ||
104 | case OBJECT_ENTRY: | |
105 | if ((le64toh(o->object.size) - offsetof(EntryObject, items)) % sizeof(EntryItem) != 0) | |
106 | return -EBADMSG; | |
107 | ||
108 | if ((le64toh(o->object.size) - offsetof(EntryObject, items)) / sizeof(EntryItem) <= 0) | |
109 | return -EBADMSG; | |
110 | ||
111 | if (le64toh(o->entry.seqnum) <= 0 || | |
fc89a139 LP |
112 | !VALID_REALTIME(le64toh(o->entry.realtime)) || |
113 | !VALID_MONOTONIC(le64toh(o->entry.monotonic))) | |
0284adc6 LP |
114 | return -EBADMSG; |
115 | ||
db11ac1a LP |
116 | for (i = 0; i < journal_file_entry_n_items(o); i++) { |
117 | if (o->entry.items[i].object_offset == 0 || | |
118 | !VALID64(o->entry.items[i].object_offset)) | |
119 | return -EBADMSG; | |
120 | } | |
121 | ||
0284adc6 LP |
122 | break; |
123 | ||
124 | case OBJECT_DATA_HASH_TABLE: | |
125 | case OBJECT_FIELD_HASH_TABLE: | |
126 | if ((le64toh(o->object.size) - offsetof(HashTableObject, items)) % sizeof(HashItem) != 0) | |
127 | return -EBADMSG; | |
128 | ||
86adf873 LP |
129 | if ((le64toh(o->object.size) - offsetof(HashTableObject, items)) / sizeof(HashItem) <= 0) |
130 | return -EBADMSG; | |
131 | ||
fb9a24b6 LP |
132 | for (i = 0; i < journal_file_hash_table_n_items(o); i++) { |
133 | if (o->hash_table.items[i].head_hash_offset != 0 && | |
134 | !VALID64(le64toh(o->hash_table.items[i].head_hash_offset))) | |
135 | return -EBADMSG; | |
136 | if (o->hash_table.items[i].tail_hash_offset != 0 && | |
137 | !VALID64(le64toh(o->hash_table.items[i].tail_hash_offset))) | |
138 | return -EBADMSG; | |
139 | ||
140 | if ((o->hash_table.items[i].head_hash_offset != 0) != | |
141 | (o->hash_table.items[i].tail_hash_offset != 0)) | |
142 | return -EBADMSG; | |
143 | } | |
144 | ||
0284adc6 LP |
145 | break; |
146 | ||
147 | case OBJECT_ENTRY_ARRAY: | |
148 | if ((le64toh(o->object.size) - offsetof(EntryArrayObject, items)) % sizeof(le64_t) != 0) | |
149 | return -EBADMSG; | |
150 | ||
86adf873 LP |
151 | if ((le64toh(o->object.size) - offsetof(EntryArrayObject, items)) / sizeof(le64_t) <= 0) |
152 | return -EBADMSG; | |
153 | ||
db11ac1a LP |
154 | if (!VALID64(o->entry_array.next_entry_array_offset)) |
155 | return -EBADMSG; | |
156 | ||
fb9a24b6 LP |
157 | for (i = 0; i < journal_file_entry_array_n_items(o); i++) |
158 | if (o->entry_array.items[i] != 0 && | |
159 | !VALID64(o->entry_array.items[i])) | |
160 | return -EBADMSG; | |
161 | ||
0284adc6 LP |
162 | break; |
163 | ||
164 | case OBJECT_TAG: | |
165 | if (le64toh(o->object.size) != sizeof(TagObject)) | |
166 | return -EBADMSG; | |
fc89a139 LP |
167 | |
168 | if (!VALID_EPOCH(o->tag.epoch)) | |
169 | return -EBADMSG; | |
170 | ||
0284adc6 LP |
171 | break; |
172 | } | |
173 | ||
174 | return 0; | |
175 | } | |
176 | ||
177 | static void draw_progress(uint64_t p, usec_t *last_usec) { | |
178 | unsigned n, i, j, k; | |
179 | usec_t z, x; | |
180 | ||
181 | if (!isatty(STDOUT_FILENO)) | |
182 | return; | |
183 | ||
184 | z = now(CLOCK_MONOTONIC); | |
185 | x = *last_usec; | |
186 | ||
187 | if (x != 0 && x + 40 * USEC_PER_MSEC > z) | |
188 | return; | |
189 | ||
190 | *last_usec = z; | |
191 | ||
192 | n = (3 * columns()) / 4; | |
193 | j = (n * (unsigned) p) / 65535ULL; | |
194 | k = n - j; | |
195 | ||
f9fffc31 | 196 | fputs("\r\x1B[?25l" ANSI_HIGHLIGHT_GREEN_ON, stdout); |
0284adc6 LP |
197 | |
198 | for (i = 0; i < j; i++) | |
199 | fputs("\xe2\x96\x88", stdout); | |
200 | ||
f9fffc31 LP |
201 | fputs(ANSI_HIGHLIGHT_OFF, stdout); |
202 | ||
0284adc6 LP |
203 | for (i = 0; i < k; i++) |
204 | fputs("\xe2\x96\x91", stdout); | |
205 | ||
206 | printf(" %3lu%%", 100LU * (unsigned long) p / 65535LU); | |
207 | ||
208 | fputs("\r\x1B[?25h", stdout); | |
209 | fflush(stdout); | |
210 | } | |
211 | ||
212 | static void flush_progress(void) { | |
213 | unsigned n, i; | |
214 | ||
215 | if (!isatty(STDOUT_FILENO)) | |
216 | return; | |
217 | ||
218 | n = (3 * columns()) / 4; | |
219 | ||
220 | putchar('\r'); | |
221 | ||
222 | for (i = 0; i < n + 5; i++) | |
223 | putchar(' '); | |
224 | ||
225 | putchar('\r'); | |
226 | fflush(stdout); | |
227 | } | |
228 | ||
229 | static int write_uint64(int fd, uint64_t p) { | |
230 | ssize_t k; | |
231 | ||
232 | k = write(fd, &p, sizeof(p)); | |
233 | if (k < 0) | |
234 | return -errno; | |
235 | if (k != sizeof(p)) | |
236 | return -EIO; | |
237 | ||
238 | return 0; | |
239 | } | |
240 | ||
241 | static int contains_uint64(MMapCache *m, int fd, uint64_t n, uint64_t p) { | |
242 | uint64_t a, b; | |
243 | int r; | |
244 | ||
245 | assert(m); | |
246 | assert(fd >= 0); | |
247 | ||
248 | /* Bisection ... */ | |
249 | ||
250 | a = 0; b = n; | |
251 | while (a < b) { | |
252 | uint64_t c, *z; | |
253 | ||
254 | c = (a + b) / 2; | |
255 | ||
fcde2389 | 256 | r = mmap_cache_get(m, fd, PROT_READ|PROT_WRITE, 0, false, c * sizeof(uint64_t), sizeof(uint64_t), NULL, (void **) &z); |
0284adc6 LP |
257 | if (r < 0) |
258 | return r; | |
259 | ||
260 | if (*z == p) | |
261 | return 1; | |
262 | ||
a2e99cdf LP |
263 | if (a + 1 >= b) |
264 | return 0; | |
265 | ||
0284adc6 LP |
266 | if (p < *z) |
267 | b = c; | |
fcde2389 | 268 | else |
0284adc6 LP |
269 | a = c; |
270 | } | |
271 | ||
272 | return 0; | |
273 | } | |
274 | ||
86adf873 LP |
275 | static int entry_points_to_data( |
276 | JournalFile *f, | |
277 | int entry_fd, | |
278 | uint64_t n_entries, | |
279 | uint64_t entry_p, | |
280 | uint64_t data_p) { | |
281 | ||
282 | int r; | |
283 | uint64_t i, n, a; | |
284 | Object *o; | |
285 | bool found = false; | |
286 | ||
287 | assert(f); | |
288 | assert(entry_fd >= 0); | |
289 | ||
290 | if (!contains_uint64(f->mmap, entry_fd, n_entries, entry_p)) { | |
291 | log_error("Data object references invalid entry at %llu", (unsigned long long) data_p); | |
292 | return -EBADMSG; | |
293 | } | |
294 | ||
295 | r = journal_file_move_to_object(f, OBJECT_ENTRY, entry_p, &o); | |
296 | if (r < 0) | |
297 | return r; | |
298 | ||
299 | n = journal_file_entry_n_items(o); | |
300 | for (i = 0; i < n; i++) | |
301 | if (le64toh(o->entry.items[i].object_offset) == data_p) { | |
302 | found = true; | |
303 | break; | |
304 | } | |
305 | ||
306 | if (!found) { | |
307 | log_error("Data object not referenced by linked entry at %llu", (unsigned long long) data_p); | |
308 | return -EBADMSG; | |
309 | } | |
310 | ||
311 | /* Check if this entry is also in main entry array. Since the | |
312 | * main entry array has already been verified we can rely on | |
313 | * its consistency.*/ | |
314 | ||
369f0589 | 315 | i = 0; |
86adf873 LP |
316 | n = le64toh(f->header->n_entries); |
317 | a = le64toh(f->header->entry_array_offset); | |
86adf873 LP |
318 | |
319 | while (i < n) { | |
369f0589 | 320 | uint64_t m, u; |
86adf873 LP |
321 | |
322 | r = journal_file_move_to_object(f, OBJECT_ENTRY_ARRAY, a, &o); | |
323 | if (r < 0) | |
324 | return r; | |
325 | ||
326 | m = journal_file_entry_array_n_items(o); | |
369f0589 LP |
327 | u = MIN(n - i, m); |
328 | ||
329 | if (entry_p <= le64toh(o->entry_array.items[u-1])) { | |
330 | uint64_t x, y, z; | |
331 | ||
332 | x = 0; | |
333 | y = u; | |
334 | ||
335 | while (x < y) { | |
336 | z = (x + y) / 2; | |
337 | ||
338 | if (le64toh(o->entry_array.items[z]) == entry_p) | |
339 | return 0; | |
340 | ||
341 | if (x + 1 >= y) | |
342 | break; | |
343 | ||
344 | if (entry_p < le64toh(o->entry_array.items[z])) | |
345 | y = z; | |
346 | else | |
347 | x = z; | |
348 | } | |
349 | ||
350 | log_error("Entry object doesn't exist in main entry array at %llu", (unsigned long long) entry_p); | |
351 | return -EBADMSG; | |
352 | } | |
86adf873 | 353 | |
369f0589 | 354 | i += u; |
356fe3e6 | 355 | a = le64toh(o->entry_array.next_entry_array_offset); |
86adf873 LP |
356 | } |
357 | ||
358 | return 0; | |
359 | } | |
360 | ||
361 | static int verify_data( | |
362 | JournalFile *f, | |
363 | Object *o, uint64_t p, | |
364 | int entry_fd, uint64_t n_entries, | |
365 | int entry_array_fd, uint64_t n_entry_arrays) { | |
366 | ||
367 | uint64_t i, n, a, last, q; | |
368 | int r; | |
369 | ||
370 | assert(f); | |
371 | assert(o); | |
372 | assert(entry_fd >= 0); | |
373 | assert(entry_array_fd >= 0); | |
374 | ||
375 | n = le64toh(o->data.n_entries); | |
376 | a = le64toh(o->data.entry_array_offset); | |
377 | ||
378 | /* We already checked this earlier */ | |
379 | assert(n > 0); | |
380 | ||
381 | last = q = le64toh(o->data.entry_offset); | |
382 | r = entry_points_to_data(f, entry_fd, n_entries, q, p); | |
383 | if (r < 0) | |
384 | return r; | |
385 | ||
2a7273ef | 386 | i = 1; |
86adf873 LP |
387 | while (i < n) { |
388 | uint64_t next, m, j; | |
389 | ||
390 | if (a == 0) { | |
356fe3e6 | 391 | log_error("Array chain too short at %llu", (unsigned long long) p); |
86adf873 LP |
392 | return -EBADMSG; |
393 | } | |
394 | ||
395 | if (!contains_uint64(f->mmap, entry_array_fd, n_entry_arrays, a)) { | |
356fe3e6 | 396 | log_error("Invalid array at %llu", (unsigned long long) p); |
86adf873 LP |
397 | return -EBADMSG; |
398 | } | |
399 | ||
400 | r = journal_file_move_to_object(f, OBJECT_ENTRY_ARRAY, a, &o); | |
401 | if (r < 0) | |
402 | return r; | |
403 | ||
404 | next = le64toh(o->entry_array.next_entry_array_offset); | |
405 | if (next != 0 && next <= a) { | |
356fe3e6 | 406 | log_error("Array chain has cycle at %llu", (unsigned long long) p); |
86adf873 LP |
407 | return -EBADMSG; |
408 | } | |
409 | ||
410 | m = journal_file_entry_array_n_items(o); | |
411 | for (j = 0; i < n && j < m; i++, j++) { | |
412 | ||
413 | q = le64toh(o->entry_array.items[j]); | |
414 | if (q <= last) { | |
356fe3e6 | 415 | log_error("Data object's entry array not sorted at %llu", (unsigned long long) p); |
86adf873 LP |
416 | return -EBADMSG; |
417 | } | |
418 | last = q; | |
419 | ||
420 | r = entry_points_to_data(f, entry_fd, n_entries, q, p); | |
421 | if (r < 0) | |
422 | return r; | |
423 | ||
424 | /* Pointer might have moved, reposition */ | |
425 | r = journal_file_move_to_object(f, OBJECT_ENTRY_ARRAY, a, &o); | |
426 | if (r < 0) | |
427 | return r; | |
428 | } | |
429 | ||
430 | a = next; | |
431 | } | |
432 | ||
433 | return 0; | |
434 | } | |
435 | ||
436 | static int verify_hash_table( | |
437 | JournalFile *f, | |
438 | int data_fd, uint64_t n_data, | |
439 | int entry_fd, uint64_t n_entries, | |
440 | int entry_array_fd, uint64_t n_entry_arrays, | |
b72631e5 LP |
441 | usec_t *last_usec, |
442 | bool show_progress) { | |
86adf873 LP |
443 | |
444 | uint64_t i, n; | |
445 | int r; | |
446 | ||
447 | assert(f); | |
448 | assert(data_fd >= 0); | |
449 | assert(entry_fd >= 0); | |
450 | assert(entry_array_fd >= 0); | |
451 | assert(last_usec); | |
452 | ||
453 | n = le64toh(f->header->data_hash_table_size) / sizeof(HashItem); | |
454 | for (i = 0; i < n; i++) { | |
455 | uint64_t last = 0, p; | |
456 | ||
b72631e5 LP |
457 | if (show_progress) |
458 | draw_progress(0xC000 + (0x3FFF * i / n), last_usec); | |
86adf873 LP |
459 | |
460 | p = le64toh(f->data_hash_table[i].head_hash_offset); | |
461 | while (p != 0) { | |
462 | Object *o; | |
463 | uint64_t next; | |
464 | ||
465 | if (!contains_uint64(f->mmap, data_fd, n_data, p)) { | |
356fe3e6 | 466 | log_error("Invalid data object at hash entry %llu of %llu", |
86adf873 LP |
467 | (unsigned long long) i, (unsigned long long) n); |
468 | return -EBADMSG; | |
469 | } | |
470 | ||
471 | r = journal_file_move_to_object(f, OBJECT_DATA, p, &o); | |
472 | if (r < 0) | |
473 | return r; | |
474 | ||
475 | next = le64toh(o->data.next_hash_offset); | |
476 | if (next != 0 && next <= p) { | |
356fe3e6 | 477 | log_error("Hash chain has a cycle in hash entry %llu of %llu", |
86adf873 LP |
478 | (unsigned long long) i, (unsigned long long) n); |
479 | return -EBADMSG; | |
480 | } | |
481 | ||
482 | if (le64toh(o->data.hash) % n != i) { | |
356fe3e6 | 483 | log_error("Hash value mismatch in hash entry %llu of %llu", |
86adf873 LP |
484 | (unsigned long long) i, (unsigned long long) n); |
485 | return -EBADMSG; | |
486 | } | |
487 | ||
488 | r = verify_data(f, o, p, entry_fd, n_entries, entry_array_fd, n_entry_arrays); | |
489 | if (r < 0) | |
490 | return r; | |
491 | ||
492 | last = p; | |
493 | p = next; | |
494 | } | |
495 | ||
496 | if (last != le64toh(f->data_hash_table[i].tail_hash_offset)) { | |
356fe3e6 | 497 | log_error("Tail hash pointer mismatch in hash table"); |
86adf873 LP |
498 | return -EBADMSG; |
499 | } | |
500 | } | |
501 | ||
502 | return 0; | |
503 | } | |
504 | ||
505 | static int data_object_in_hash_table(JournalFile *f, uint64_t hash, uint64_t p) { | |
506 | uint64_t n, h, q; | |
507 | int r; | |
508 | assert(f); | |
509 | ||
510 | n = le64toh(f->header->data_hash_table_size) / sizeof(HashItem); | |
511 | h = hash % n; | |
512 | ||
513 | q = le64toh(f->data_hash_table[h].head_hash_offset); | |
514 | while (q != 0) { | |
515 | Object *o; | |
516 | ||
517 | if (p == q) | |
518 | return 1; | |
519 | ||
520 | r = journal_file_move_to_object(f, OBJECT_DATA, q, &o); | |
521 | if (r < 0) | |
522 | return r; | |
523 | ||
524 | q = le64toh(o->data.next_hash_offset); | |
525 | } | |
526 | ||
527 | return 0; | |
528 | } | |
529 | ||
530 | static int verify_entry( | |
531 | JournalFile *f, | |
532 | Object *o, uint64_t p, | |
533 | int data_fd, uint64_t n_data) { | |
534 | ||
535 | uint64_t i, n; | |
536 | int r; | |
537 | ||
538 | assert(f); | |
539 | assert(o); | |
540 | assert(data_fd >= 0); | |
541 | ||
542 | n = journal_file_entry_n_items(o); | |
543 | for (i = 0; i < n; i++) { | |
544 | uint64_t q, h; | |
545 | Object *u; | |
546 | ||
547 | q = le64toh(o->entry.items[i].object_offset); | |
548 | h = le64toh(o->entry.items[i].hash); | |
549 | ||
550 | if (!contains_uint64(f->mmap, data_fd, n_data, q)) { | |
356fe3e6 LP |
551 | log_error("Invalid data object at entry %llu", |
552 | (unsigned long long) p); | |
86adf873 LP |
553 | return -EBADMSG; |
554 | } | |
555 | ||
556 | r = journal_file_move_to_object(f, OBJECT_DATA, q, &u); | |
557 | if (r < 0) | |
558 | return r; | |
559 | ||
560 | if (le64toh(u->data.hash) != h) { | |
356fe3e6 | 561 | log_error("Hash mismatch for data object at entry %llu", |
86adf873 LP |
562 | (unsigned long long) p); |
563 | return -EBADMSG; | |
564 | } | |
565 | ||
566 | r = data_object_in_hash_table(f, h, q); | |
567 | if (r < 0) | |
568 | return r; | |
569 | if (r == 0) { | |
356fe3e6 | 570 | log_error("Data object missing from hash at entry %llu", |
86adf873 LP |
571 | (unsigned long long) p); |
572 | return -EBADMSG; | |
573 | } | |
574 | } | |
575 | ||
576 | return 0; | |
577 | } | |
578 | ||
579 | static int verify_entry_array( | |
580 | JournalFile *f, | |
581 | int data_fd, uint64_t n_data, | |
582 | int entry_fd, uint64_t n_entries, | |
583 | int entry_array_fd, uint64_t n_entry_arrays, | |
b72631e5 LP |
584 | usec_t *last_usec, |
585 | bool show_progress) { | |
86adf873 LP |
586 | |
587 | uint64_t i = 0, a, n, last = 0; | |
588 | int r; | |
589 | ||
590 | assert(f); | |
591 | assert(data_fd >= 0); | |
592 | assert(entry_fd >= 0); | |
593 | assert(entry_array_fd >= 0); | |
594 | assert(last_usec); | |
595 | ||
596 | n = le64toh(f->header->n_entries); | |
597 | a = le64toh(f->header->entry_array_offset); | |
598 | while (i < n) { | |
599 | uint64_t next, m, j; | |
600 | Object *o; | |
601 | ||
b72631e5 LP |
602 | if (show_progress) |
603 | draw_progress(0x8000 + (0x3FFF * i / n), last_usec); | |
86adf873 LP |
604 | |
605 | if (a == 0) { | |
356fe3e6 | 606 | log_error("Array chain too short at %llu of %llu", |
86adf873 LP |
607 | (unsigned long long) i, (unsigned long long) n); |
608 | return -EBADMSG; | |
609 | } | |
610 | ||
611 | if (!contains_uint64(f->mmap, entry_array_fd, n_entry_arrays, a)) { | |
356fe3e6 | 612 | log_error("Invalid array at %llu of %llu", |
86adf873 LP |
613 | (unsigned long long) i, (unsigned long long) n); |
614 | return -EBADMSG; | |
615 | } | |
616 | ||
617 | r = journal_file_move_to_object(f, OBJECT_ENTRY_ARRAY, a, &o); | |
618 | if (r < 0) | |
619 | return r; | |
620 | ||
621 | next = le64toh(o->entry_array.next_entry_array_offset); | |
622 | if (next != 0 && next <= a) { | |
356fe3e6 | 623 | log_error("Array chain has cycle at %llu of %llu", |
86adf873 LP |
624 | (unsigned long long) i, (unsigned long long) n); |
625 | return -EBADMSG; | |
626 | } | |
627 | ||
628 | m = journal_file_entry_array_n_items(o); | |
629 | for (j = 0; i < n && j < m; i++, j++) { | |
630 | uint64_t p; | |
631 | ||
632 | p = le64toh(o->entry_array.items[j]); | |
633 | if (p <= last) { | |
356fe3e6 | 634 | log_error("Entry array not sorted at %llu of %llu", |
86adf873 LP |
635 | (unsigned long long) i, (unsigned long long) n); |
636 | return -EBADMSG; | |
637 | } | |
638 | last = p; | |
639 | ||
640 | if (!contains_uint64(f->mmap, entry_fd, n_entries, p)) { | |
356fe3e6 | 641 | log_error("Invalid array entry at %llu of %llu", |
86adf873 LP |
642 | (unsigned long long) i, (unsigned long long) n); |
643 | return -EBADMSG; | |
644 | } | |
645 | ||
646 | r = journal_file_move_to_object(f, OBJECT_ENTRY, p, &o); | |
647 | if (r < 0) | |
648 | return r; | |
649 | ||
650 | r = verify_entry(f, o, p, data_fd, n_data); | |
651 | if (r < 0) | |
652 | return r; | |
653 | ||
654 | /* Pointer might have moved, reposition */ | |
655 | r = journal_file_move_to_object(f, OBJECT_ENTRY_ARRAY, a, &o); | |
656 | if (r < 0) | |
657 | return r; | |
658 | } | |
659 | ||
660 | a = next; | |
661 | } | |
662 | ||
663 | return 0; | |
664 | } | |
665 | ||
6c7be122 LP |
666 | int journal_file_verify( |
667 | JournalFile *f, | |
668 | const char *key, | |
b72631e5 LP |
669 | usec_t *first_validated, usec_t *last_validated, usec_t *last_contained, |
670 | bool show_progress) { | |
0284adc6 LP |
671 | int r; |
672 | Object *o; | |
f7fab8a5 | 673 | uint64_t p = 0, last_tag = 0, last_epoch = 0, last_tag_realtime = 0, last_sealed_realtime = 0; |
14d10188 | 674 | uint64_t entry_seqnum = 0, entry_monotonic = 0, entry_realtime = 0; |
0284adc6 LP |
675 | sd_id128_t entry_boot_id; |
676 | bool entry_seqnum_set = false, entry_monotonic_set = false, entry_realtime_set = false, found_main_entry_array = false; | |
14d10188 | 677 | uint64_t n_weird = 0, n_objects = 0, n_entries = 0, n_data = 0, n_fields = 0, n_data_hash_tables = 0, n_field_hash_tables = 0, n_entry_arrays = 0, n_tags = 0; |
0284adc6 LP |
678 | usec_t last_usec = 0; |
679 | int data_fd = -1, entry_fd = -1, entry_array_fd = -1; | |
680 | char data_path[] = "/var/tmp/journal-data-XXXXXX", | |
681 | entry_path[] = "/var/tmp/journal-entry-XXXXXX", | |
682 | entry_array_path[] = "/var/tmp/journal-entry-array-XXXXXX"; | |
97147f8c LP |
683 | unsigned i; |
684 | bool found_last; | |
0284adc6 LP |
685 | |
686 | assert(f); | |
687 | ||
baed47c3 | 688 | if (key) { |
feb12d3e | 689 | #ifdef HAVE_GCRYPT |
baed47c3 | 690 | r = journal_file_parse_verification_key(f, key); |
b7c9ae91 LP |
691 | if (r < 0) { |
692 | log_error("Failed to parse seed."); | |
56e81f7c | 693 | return r; |
b7c9ae91 | 694 | } |
feb12d3e LP |
695 | #else |
696 | return -ENOTSUP; | |
697 | #endif | |
c586dbf1 LP |
698 | } else if (f->seal) |
699 | return -ENOKEY; | |
b7c9ae91 | 700 | |
0284adc6 LP |
701 | data_fd = mkostemp(data_path, O_CLOEXEC); |
702 | if (data_fd < 0) { | |
703 | log_error("Failed to create data file: %m"); | |
1137e6c7 | 704 | r = -errno; |
0284adc6 LP |
705 | goto fail; |
706 | } | |
707 | unlink(data_path); | |
708 | ||
709 | entry_fd = mkostemp(entry_path, O_CLOEXEC); | |
710 | if (entry_fd < 0) { | |
711 | log_error("Failed to create entry file: %m"); | |
1137e6c7 | 712 | r = -errno; |
0284adc6 LP |
713 | goto fail; |
714 | } | |
715 | unlink(entry_path); | |
716 | ||
717 | entry_array_fd = mkostemp(entry_array_path, O_CLOEXEC); | |
718 | if (entry_array_fd < 0) { | |
719 | log_error("Failed to create entry array file: %m"); | |
1137e6c7 | 720 | r = -errno; |
0284adc6 LP |
721 | goto fail; |
722 | } | |
723 | unlink(entry_array_path); | |
724 | ||
97147f8c LP |
725 | #ifdef HAVE_GCRYPT |
726 | if ((le32toh(f->header->compatible_flags) & ~HEADER_COMPATIBLE_SEALED) != 0) | |
727 | #else | |
728 | if (f->header->compatible_flags != 0) | |
729 | #endif | |
730 | { | |
731 | log_error("Cannot verify file with unknown extensions."); | |
732 | r = -ENOTSUP; | |
733 | goto fail; | |
734 | } | |
735 | ||
736 | for (i = 0; i < sizeof(f->header->reserved); i++) | |
737 | if (f->header->reserved[i] != 0) { | |
738 | log_error("Reserved field in non-zero."); | |
739 | r = -EBADMSG; | |
740 | goto fail; | |
741 | } | |
742 | ||
0284adc6 LP |
743 | /* First iteration: we go through all objects, verify the |
744 | * superficial structure, headers, hashes. */ | |
745 | ||
0284adc6 LP |
746 | p = le64toh(f->header->header_size); |
747 | while (p != 0) { | |
b72631e5 LP |
748 | if (show_progress) |
749 | draw_progress(0x7FFF * p / le64toh(f->header->tail_object_offset), &last_usec); | |
0284adc6 LP |
750 | |
751 | r = journal_file_move_to_object(f, -1, p, &o); | |
752 | if (r < 0) { | |
753 | log_error("Invalid object at %llu", (unsigned long long) p); | |
754 | goto fail; | |
755 | } | |
756 | ||
97147f8c | 757 | if (p > le64toh(f->header->tail_object_offset)) { |
356fe3e6 | 758 | log_error("Invalid tail object pointer"); |
0284adc6 LP |
759 | r = -EBADMSG; |
760 | goto fail; | |
761 | } | |
762 | ||
97147f8c LP |
763 | if (p == le64toh(f->header->tail_object_offset)) |
764 | found_last = true; | |
765 | ||
0284adc6 LP |
766 | n_objects ++; |
767 | ||
768 | r = journal_file_object_verify(f, o); | |
769 | if (r < 0) { | |
770 | log_error("Invalid object contents at %llu", (unsigned long long) p); | |
771 | goto fail; | |
772 | } | |
773 | ||
8088cbd3 | 774 | if ((o->object.flags & OBJECT_COMPRESSED) && !JOURNAL_HEADER_COMPRESSED(f->header)) { |
356fe3e6 | 775 | log_error("Compressed object in file without compression at %llu", (unsigned long long) p); |
0284adc6 LP |
776 | r = -EBADMSG; |
777 | goto fail; | |
778 | } | |
779 | ||
a8e5f514 | 780 | switch (o->object.type) { |
0284adc6 | 781 | |
a8e5f514 LP |
782 | case OBJECT_DATA: |
783 | r = write_uint64(data_fd, p); | |
784 | if (r < 0) | |
0284adc6 | 785 | goto fail; |
0284adc6 | 786 | |
a8e5f514 LP |
787 | n_data++; |
788 | break; | |
0284adc6 | 789 | |
a8e5f514 LP |
790 | case OBJECT_FIELD: |
791 | n_fields++; | |
792 | break; | |
0284adc6 | 793 | |
a8e5f514 | 794 | case OBJECT_ENTRY: |
8088cbd3 | 795 | if (JOURNAL_HEADER_SEALED(f->header) && n_tags <= 0) { |
6c7be122 LP |
796 | log_error("First entry before first tag at %llu", (unsigned long long) p); |
797 | r = -EBADMSG; | |
798 | goto fail; | |
799 | } | |
800 | ||
0284adc6 LP |
801 | r = write_uint64(entry_fd, p); |
802 | if (r < 0) | |
803 | goto fail; | |
804 | ||
f7fab8a5 | 805 | if (le64toh(o->entry.realtime) < last_tag_realtime) { |
7b5fd91c LP |
806 | log_error("Older entry after newer tag at %llu", (unsigned long long) p); |
807 | r = -EBADMSG; | |
808 | goto fail; | |
809 | } | |
810 | ||
0284adc6 LP |
811 | if (!entry_seqnum_set && |
812 | le64toh(o->entry.seqnum) != le64toh(f->header->head_entry_seqnum)) { | |
356fe3e6 | 813 | log_error("Head entry sequence number incorrect at %llu", (unsigned long long) p); |
0284adc6 LP |
814 | r = -EBADMSG; |
815 | goto fail; | |
816 | } | |
817 | ||
818 | if (entry_seqnum_set && | |
819 | entry_seqnum >= le64toh(o->entry.seqnum)) { | |
820 | log_error("Entry sequence number out of synchronization at %llu", (unsigned long long) p); | |
821 | r = -EBADMSG; | |
822 | goto fail; | |
823 | } | |
824 | ||
825 | entry_seqnum = le64toh(o->entry.seqnum); | |
826 | entry_seqnum_set = true; | |
827 | ||
828 | if (entry_monotonic_set && | |
829 | sd_id128_equal(entry_boot_id, o->entry.boot_id) && | |
830 | entry_monotonic > le64toh(o->entry.monotonic)) { | |
831 | log_error("Entry timestamp out of synchronization at %llu", (unsigned long long) p); | |
832 | r = -EBADMSG; | |
833 | goto fail; | |
834 | } | |
835 | ||
836 | entry_monotonic = le64toh(o->entry.monotonic); | |
837 | entry_boot_id = o->entry.boot_id; | |
838 | entry_monotonic_set = true; | |
839 | ||
840 | if (!entry_realtime_set && | |
841 | le64toh(o->entry.realtime) != le64toh(f->header->head_entry_realtime)) { | |
842 | log_error("Head entry realtime timestamp incorrect"); | |
843 | r = -EBADMSG; | |
844 | goto fail; | |
845 | } | |
846 | ||
847 | entry_realtime = le64toh(o->entry.realtime); | |
848 | entry_realtime_set = true; | |
849 | ||
850 | n_entries ++; | |
a8e5f514 | 851 | break; |
0284adc6 | 852 | |
a8e5f514 | 853 | case OBJECT_DATA_HASH_TABLE: |
0284adc6 LP |
854 | if (n_data_hash_tables > 1) { |
855 | log_error("More than one data hash table at %llu", (unsigned long long) p); | |
856 | r = -EBADMSG; | |
857 | goto fail; | |
858 | } | |
859 | ||
860 | if (le64toh(f->header->data_hash_table_offset) != p + offsetof(HashTableObject, items) || | |
861 | le64toh(f->header->data_hash_table_size) != le64toh(o->object.size) - offsetof(HashTableObject, items)) { | |
356fe3e6 | 862 | log_error("Header fields for data hash table invalid"); |
0284adc6 LP |
863 | r = -EBADMSG; |
864 | goto fail; | |
865 | } | |
0284adc6 | 866 | |
a8e5f514 LP |
867 | n_data_hash_tables++; |
868 | break; | |
869 | ||
870 | case OBJECT_FIELD_HASH_TABLE: | |
0284adc6 LP |
871 | if (n_field_hash_tables > 1) { |
872 | log_error("More than one field hash table at %llu", (unsigned long long) p); | |
873 | r = -EBADMSG; | |
874 | goto fail; | |
875 | } | |
876 | ||
877 | if (le64toh(f->header->field_hash_table_offset) != p + offsetof(HashTableObject, items) || | |
878 | le64toh(f->header->field_hash_table_size) != le64toh(o->object.size) - offsetof(HashTableObject, items)) { | |
356fe3e6 | 879 | log_error("Header fields for field hash table invalid"); |
0284adc6 LP |
880 | r = -EBADMSG; |
881 | goto fail; | |
882 | } | |
a8e5f514 LP |
883 | |
884 | n_field_hash_tables++; | |
885 | break; | |
886 | ||
887 | case OBJECT_ENTRY_ARRAY: | |
888 | r = write_uint64(entry_array_fd, p); | |
889 | if (r < 0) | |
890 | goto fail; | |
891 | ||
892 | if (p == le64toh(f->header->entry_array_offset)) { | |
893 | if (found_main_entry_array) { | |
894 | log_error("More than one main entry array at %llu", (unsigned long long) p); | |
895 | r = -EBADMSG; | |
896 | goto fail; | |
897 | } | |
898 | ||
899 | found_main_entry_array = true; | |
900 | } | |
901 | ||
902 | n_entry_arrays++; | |
903 | break; | |
904 | ||
feb12d3e | 905 | case OBJECT_TAG: |
8088cbd3 | 906 | if (!JOURNAL_HEADER_SEALED(f->header)) { |
356fe3e6 | 907 | log_error("Tag object in file without sealing at %llu", (unsigned long long) p); |
a8e5f514 LP |
908 | r = -EBADMSG; |
909 | goto fail; | |
910 | } | |
911 | ||
912 | if (le64toh(o->tag.seqnum) != n_tags + 1) { | |
913 | log_error("Tag sequence number out of synchronization at %llu", (unsigned long long) p); | |
914 | r = -EBADMSG; | |
915 | goto fail; | |
916 | } | |
917 | ||
14d10188 LP |
918 | if (le64toh(o->tag.epoch) < last_epoch) { |
919 | log_error("Epoch sequence out of synchronization at %llu", (unsigned long long) p); | |
7b5fd91c LP |
920 | r = -EBADMSG; |
921 | goto fail; | |
922 | } | |
923 | ||
feb12d3e | 924 | #ifdef HAVE_GCRYPT |
c586dbf1 | 925 | if (f->seal) { |
feb12d3e LP |
926 | uint64_t q, rt; |
927 | ||
c586dbf1 | 928 | log_debug("Checking tag %llu..", (unsigned long long) le64toh(o->tag.seqnum)); |
14d10188 | 929 | |
f7fab8a5 LP |
930 | rt = f->fss_start_usec + o->tag.epoch * f->fss_interval_usec; |
931 | if (entry_realtime_set && entry_realtime >= rt + f->fss_interval_usec) { | |
c586dbf1 LP |
932 | log_error("Tag/entry realtime timestamp out of synchronization at %llu", (unsigned long long) p); |
933 | r = -EBADMSG; | |
934 | goto fail; | |
935 | } | |
14d10188 | 936 | |
c586dbf1 LP |
937 | /* OK, now we know the epoch. So let's now set |
938 | * it, and calculate the HMAC for everything | |
939 | * since the last tag. */ | |
940 | r = journal_file_fsprg_seek(f, le64toh(o->tag.epoch)); | |
14d10188 LP |
941 | if (r < 0) |
942 | goto fail; | |
943 | ||
c586dbf1 | 944 | r = journal_file_hmac_start(f); |
14d10188 LP |
945 | if (r < 0) |
946 | goto fail; | |
947 | ||
c586dbf1 LP |
948 | if (last_tag == 0) { |
949 | r = journal_file_hmac_put_header(f); | |
950 | if (r < 0) | |
951 | goto fail; | |
952 | ||
953 | q = le64toh(f->header->header_size); | |
954 | } else | |
955 | q = last_tag; | |
956 | ||
957 | while (q <= p) { | |
958 | r = journal_file_move_to_object(f, -1, q, &o); | |
959 | if (r < 0) | |
960 | goto fail; | |
961 | ||
5996c7c2 | 962 | r = journal_file_hmac_put_object(f, -1, o, q); |
c586dbf1 LP |
963 | if (r < 0) |
964 | goto fail; | |
965 | ||
966 | q = q + ALIGN64(le64toh(o->object.size)); | |
967 | } | |
968 | ||
969 | /* Position might have changed, let's reposition things */ | |
970 | r = journal_file_move_to_object(f, -1, p, &o); | |
14d10188 LP |
971 | if (r < 0) |
972 | goto fail; | |
973 | ||
c586dbf1 LP |
974 | if (memcmp(o->tag.tag, gcry_md_read(f->hmac, 0), TAG_LENGTH) != 0) { |
975 | log_error("Tag failed verification at %llu", (unsigned long long) p); | |
976 | r = -EBADMSG; | |
977 | goto fail; | |
978 | } | |
14d10188 | 979 | |
c586dbf1 LP |
980 | f->hmac_running = false; |
981 | last_tag_realtime = rt; | |
f7fab8a5 | 982 | last_sealed_realtime = entry_realtime; |
14d10188 | 983 | } |
feb12d3e | 984 | #endif |
14d10188 | 985 | |
14d10188 | 986 | last_tag = p + ALIGN64(le64toh(o->object.size)); |
c586dbf1 | 987 | last_epoch = le64toh(o->tag.epoch); |
6c7be122 | 988 | |
a8e5f514 LP |
989 | n_tags ++; |
990 | break; | |
991 | ||
992 | default: | |
0284adc6 | 993 | n_weird ++; |
a8e5f514 | 994 | } |
0284adc6 LP |
995 | |
996 | if (p == le64toh(f->header->tail_object_offset)) | |
997 | p = 0; | |
998 | else | |
999 | p = p + ALIGN64(le64toh(o->object.size)); | |
1000 | } | |
1001 | ||
97147f8c LP |
1002 | if (!found_last) { |
1003 | log_error("Tail object pointer dead"); | |
1004 | r = -EBADMSG; | |
1005 | goto fail; | |
1006 | } | |
1007 | ||
0284adc6 LP |
1008 | if (n_objects != le64toh(f->header->n_objects)) { |
1009 | log_error("Object number mismatch"); | |
1010 | r = -EBADMSG; | |
1011 | goto fail; | |
1012 | } | |
1013 | ||
1014 | if (n_entries != le64toh(f->header->n_entries)) { | |
1015 | log_error("Entry number mismatch"); | |
1016 | r = -EBADMSG; | |
1017 | goto fail; | |
1018 | } | |
1019 | ||
1020 | if (JOURNAL_HEADER_CONTAINS(f->header, n_data) && | |
1021 | n_data != le64toh(f->header->n_data)) { | |
1022 | log_error("Data number mismatch"); | |
1023 | r = -EBADMSG; | |
1024 | goto fail; | |
1025 | } | |
1026 | ||
1027 | if (JOURNAL_HEADER_CONTAINS(f->header, n_fields) && | |
1028 | n_fields != le64toh(f->header->n_fields)) { | |
1029 | log_error("Field number mismatch"); | |
1030 | r = -EBADMSG; | |
1031 | goto fail; | |
1032 | } | |
1033 | ||
1034 | if (JOURNAL_HEADER_CONTAINS(f->header, n_tags) && | |
a8e5f514 | 1035 | n_tags != le64toh(f->header->n_tags)) { |
0284adc6 LP |
1036 | log_error("Tag number mismatch"); |
1037 | r = -EBADMSG; | |
1038 | goto fail; | |
1039 | } | |
1040 | ||
2dee23eb LP |
1041 | if (JOURNAL_HEADER_CONTAINS(f->header, n_entry_arrays) && |
1042 | n_entry_arrays != le64toh(f->header->n_entry_arrays)) { | |
1043 | log_error("Entry array number mismatch"); | |
1044 | r = -EBADMSG; | |
1045 | goto fail; | |
1046 | } | |
1047 | ||
0284adc6 LP |
1048 | if (n_data_hash_tables != 1) { |
1049 | log_error("Missing data hash table"); | |
1050 | r = -EBADMSG; | |
1051 | goto fail; | |
1052 | } | |
1053 | ||
1054 | if (n_field_hash_tables != 1) { | |
1055 | log_error("Missing field hash table"); | |
1056 | r = -EBADMSG; | |
1057 | goto fail; | |
1058 | } | |
1059 | ||
1060 | if (!found_main_entry_array) { | |
1061 | log_error("Missing entry array"); | |
1062 | r = -EBADMSG; | |
1063 | goto fail; | |
1064 | } | |
1065 | ||
1066 | if (entry_seqnum_set && | |
1067 | entry_seqnum != le64toh(f->header->tail_entry_seqnum)) { | |
1068 | log_error("Invalid tail seqnum"); | |
1069 | r = -EBADMSG; | |
1070 | goto fail; | |
1071 | } | |
1072 | ||
1073 | if (entry_monotonic_set && | |
1074 | (!sd_id128_equal(entry_boot_id, f->header->boot_id) || | |
1075 | entry_monotonic != le64toh(f->header->tail_entry_monotonic))) { | |
1076 | log_error("Invalid tail monotonic timestamp"); | |
1077 | r = -EBADMSG; | |
1078 | goto fail; | |
1079 | } | |
1080 | ||
1081 | if (entry_realtime_set && entry_realtime != le64toh(f->header->tail_entry_realtime)) { | |
1082 | log_error("Invalid tail realtime timestamp"); | |
1083 | r = -EBADMSG; | |
1084 | goto fail; | |
1085 | } | |
1086 | ||
86adf873 LP |
1087 | /* Second iteration: we follow all objects referenced from the |
1088 | * two entry points: the object hash table and the entry | |
1089 | * array. We also check that everything referenced (directly | |
1090 | * or indirectly) in the data hash table also exists in the | |
1091 | * entry array, and vice versa. Note that we do not care for | |
1092 | * unreferenced objects. We only care that everything that is | |
1093 | * referenced is consistent. */ | |
1094 | ||
1095 | r = verify_entry_array(f, | |
1096 | data_fd, n_data, | |
1097 | entry_fd, n_entries, | |
1098 | entry_array_fd, n_entry_arrays, | |
b72631e5 LP |
1099 | &last_usec, |
1100 | show_progress); | |
86adf873 LP |
1101 | if (r < 0) |
1102 | goto fail; | |
0284adc6 | 1103 | |
86adf873 LP |
1104 | r = verify_hash_table(f, |
1105 | data_fd, n_data, | |
1106 | entry_fd, n_entries, | |
1107 | entry_array_fd, n_entry_arrays, | |
b72631e5 LP |
1108 | &last_usec, |
1109 | show_progress); | |
86adf873 LP |
1110 | if (r < 0) |
1111 | goto fail; | |
0284adc6 | 1112 | |
b72631e5 LP |
1113 | if (show_progress) |
1114 | flush_progress(); | |
0284adc6 LP |
1115 | |
1116 | mmap_cache_close_fd(f->mmap, data_fd); | |
1117 | mmap_cache_close_fd(f->mmap, entry_fd); | |
1118 | mmap_cache_close_fd(f->mmap, entry_array_fd); | |
1119 | ||
1120 | close_nointr_nofail(data_fd); | |
1121 | close_nointr_nofail(entry_fd); | |
1122 | close_nointr_nofail(entry_array_fd); | |
1123 | ||
6c7be122 | 1124 | if (first_validated) |
c0ca7aee | 1125 | *first_validated = last_sealed_realtime > 0 ? le64toh(f->header->head_entry_realtime) : 0; |
6c7be122 | 1126 | if (last_validated) |
f7fab8a5 | 1127 | *last_validated = last_sealed_realtime; |
6c7be122 LP |
1128 | if (last_contained) |
1129 | *last_contained = le64toh(f->header->tail_entry_realtime); | |
1130 | ||
0284adc6 LP |
1131 | return 0; |
1132 | ||
1133 | fail: | |
b72631e5 LP |
1134 | if (show_progress) |
1135 | flush_progress(); | |
0284adc6 LP |
1136 | |
1137 | log_error("File corruption detected at %s:%llu (of %llu, %llu%%).", | |
1138 | f->path, | |
1139 | (unsigned long long) p, | |
1140 | (unsigned long long) f->last_stat.st_size, | |
1141 | (unsigned long long) (100 * p / f->last_stat.st_size)); | |
1142 | ||
1143 | if (data_fd >= 0) { | |
1144 | mmap_cache_close_fd(f->mmap, data_fd); | |
1145 | close_nointr_nofail(data_fd); | |
1146 | } | |
1147 | ||
1148 | if (entry_fd >= 0) { | |
1149 | mmap_cache_close_fd(f->mmap, entry_fd); | |
1150 | close_nointr_nofail(entry_fd); | |
1151 | } | |
1152 | ||
1153 | if (entry_array_fd >= 0) { | |
1154 | mmap_cache_close_fd(f->mmap, entry_array_fd); | |
1155 | close_nointr_nofail(entry_array_fd); | |
1156 | } | |
1157 | ||
1158 | return r; | |
1159 | } |