freshlybakedca.ke
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1#define USE_THE_REPOSITORY_VARIABLE
2
3#include "git-compat-util.h"
4#include "date.h"
5#include "dir.h"
6#include "environment.h"
7#include "hex.h"
8#include "odb.h"
9#include "path.h"
10#include "repository.h"
11#include "object.h"
12#include "attr.h"
13#include "blob.h"
14#include "tree.h"
15#include "tree-walk.h"
16#include "commit.h"
17#include "tag.h"
18#include "fsck.h"
19#include "refs.h"
20#include "url.h"
21#include "utf8.h"
22#include "oidset.h"
23#include "packfile.h"
24#include "submodule-config.h"
25#include "config.h"
26#include "help.h"
27
28static ssize_t max_tree_entry_len = 4096;
29
30#define STR(x) #x
31#define MSG_ID(id, msg_type) { STR(id), NULL, NULL, FSCK_##msg_type },
32static struct {
33 const char *id_string;
34 const char *downcased;
35 const char *camelcased;
36 enum fsck_msg_type msg_type;
37} msg_id_info[FSCK_MSG_MAX + 1] = {
38 FOREACH_FSCK_MSG_ID(MSG_ID)
39 { NULL, NULL, NULL, -1 }
40};
41#undef MSG_ID
42#undef STR
43
44static void prepare_msg_ids(void)
45{
46 int i;
47
48 if (msg_id_info[0].downcased)
49 return;
50
51 /* convert id_string to lower case, without underscores. */
52 for (i = 0; i < FSCK_MSG_MAX; i++) {
53 const char *p = msg_id_info[i].id_string;
54 int len = strlen(p);
55 char *q = xmalloc(len);
56
57 msg_id_info[i].downcased = q;
58 while (*p)
59 if (*p == '_')
60 p++;
61 else
62 *(q)++ = tolower(*(p)++);
63 *q = '\0';
64
65 p = msg_id_info[i].id_string;
66 q = xmalloc(len);
67 msg_id_info[i].camelcased = q;
68 while (*p) {
69 if (*p == '_') {
70 p++;
71 if (*p)
72 *q++ = *p++;
73 } else {
74 *q++ = tolower(*p++);
75 }
76 }
77 *q = '\0';
78 }
79}
80
81static int parse_msg_id(const char *text)
82{
83 int i;
84
85 prepare_msg_ids();
86
87 for (i = 0; i < FSCK_MSG_MAX; i++)
88 if (!strcmp(text, msg_id_info[i].downcased))
89 return i;
90
91 return -1;
92}
93
94void list_config_fsck_msg_ids(struct string_list *list, const char *prefix)
95{
96 int i;
97
98 prepare_msg_ids();
99
100 for (i = 0; i < FSCK_MSG_MAX; i++)
101 list_config_item(list, prefix, msg_id_info[i].camelcased);
102}
103
104static enum fsck_msg_type fsck_msg_type(enum fsck_msg_id msg_id,
105 struct fsck_options *options)
106{
107 assert(msg_id >= 0 && msg_id < FSCK_MSG_MAX);
108
109 if (!options->msg_type) {
110 enum fsck_msg_type msg_type = msg_id_info[msg_id].msg_type;
111
112 if (options->strict && msg_type == FSCK_WARN)
113 msg_type = FSCK_ERROR;
114 return msg_type;
115 }
116
117 return options->msg_type[msg_id];
118}
119
120static enum fsck_msg_type parse_msg_type(const char *str)
121{
122 if (!strcmp(str, "error"))
123 return FSCK_ERROR;
124 else if (!strcmp(str, "warn"))
125 return FSCK_WARN;
126 else if (!strcmp(str, "ignore"))
127 return FSCK_IGNORE;
128 else
129 die("Unknown fsck message type: '%s'", str);
130}
131
132int is_valid_msg_type(const char *msg_id, const char *msg_type)
133{
134 if (parse_msg_id(msg_id) < 0)
135 return 0;
136 parse_msg_type(msg_type);
137 return 1;
138}
139
140void fsck_set_msg_type_from_ids(struct fsck_options *options,
141 enum fsck_msg_id msg_id,
142 enum fsck_msg_type msg_type)
143{
144 if (!options->msg_type) {
145 int i;
146 enum fsck_msg_type *severity;
147 ALLOC_ARRAY(severity, FSCK_MSG_MAX);
148 for (i = 0; i < FSCK_MSG_MAX; i++)
149 severity[i] = fsck_msg_type(i, options);
150 options->msg_type = severity;
151 }
152
153 options->msg_type[msg_id] = msg_type;
154}
155
156void fsck_set_msg_type(struct fsck_options *options,
157 const char *msg_id_str, const char *msg_type_str)
158{
159 int msg_id = parse_msg_id(msg_id_str);
160 char *to_free = NULL;
161 enum fsck_msg_type msg_type;
162
163 if (msg_id < 0)
164 die("Unhandled message id: %s", msg_id_str);
165
166 if (msg_id == FSCK_MSG_LARGE_PATHNAME) {
167 const char *colon = strchr(msg_type_str, ':');
168 if (colon) {
169 msg_type_str = to_free =
170 xmemdupz(msg_type_str, colon - msg_type_str);
171 colon++;
172 if (!git_parse_ssize_t(colon, &max_tree_entry_len))
173 die("unable to parse max tree entry len: %s", colon);
174 }
175 }
176 msg_type = parse_msg_type(msg_type_str);
177
178 if (msg_type != FSCK_ERROR && msg_id_info[msg_id].msg_type == FSCK_FATAL)
179 die("Cannot demote %s to %s", msg_id_str, msg_type_str);
180
181 fsck_set_msg_type_from_ids(options, msg_id, msg_type);
182 free(to_free);
183}
184
185void fsck_set_msg_types(struct fsck_options *options, const char *values)
186{
187 char *buf = xstrdup(values), *to_free = buf;
188 int done = 0;
189
190 while (!done) {
191 int len = strcspn(buf, " ,|"), equal;
192
193 done = !buf[len];
194 if (!len) {
195 buf++;
196 continue;
197 }
198 buf[len] = '\0';
199
200 for (equal = 0;
201 equal < len && buf[equal] != '=' && buf[equal] != ':';
202 equal++)
203 buf[equal] = tolower(buf[equal]);
204 buf[equal] = '\0';
205
206 if (!strcmp(buf, "skiplist")) {
207 if (equal == len)
208 die("skiplist requires a path");
209 oidset_parse_file(&options->skip_oids, buf + equal + 1,
210 the_repository->hash_algo);
211 buf += len + 1;
212 continue;
213 }
214
215 if (equal == len)
216 die("Missing '=': '%s'", buf);
217
218 fsck_set_msg_type(options, buf, buf + equal + 1);
219 buf += len + 1;
220 }
221 free(to_free);
222}
223
224static int object_on_skiplist(struct fsck_options *opts,
225 const struct object_id *oid)
226{
227 return opts && oid && oidset_contains(&opts->skip_oids, oid);
228}
229
230/*
231 * Provide the common functionality for either fscking refs or objects.
232 * It will get the current msg error type and call the error_func callback
233 * which is registered in the "fsck_options" struct.
234 */
235static int fsck_vreport(struct fsck_options *options,
236 void *fsck_report,
237 enum fsck_msg_id msg_id, const char *fmt, va_list ap)
238{
239 struct strbuf sb = STRBUF_INIT;
240 enum fsck_msg_type msg_type = fsck_msg_type(msg_id, options);
241 int result;
242
243 if (msg_type == FSCK_IGNORE)
244 return 0;
245
246 if (msg_type == FSCK_FATAL)
247 msg_type = FSCK_ERROR;
248 else if (msg_type == FSCK_INFO)
249 msg_type = FSCK_WARN;
250
251 prepare_msg_ids();
252 strbuf_addf(&sb, "%s: ", msg_id_info[msg_id].camelcased);
253
254 strbuf_vaddf(&sb, fmt, ap);
255 result = options->error_func(options, fsck_report,
256 msg_type, msg_id, sb.buf);
257 strbuf_release(&sb);
258
259 return result;
260}
261
262__attribute__((format (printf, 5, 6)))
263static int report(struct fsck_options *options,
264 const struct object_id *oid, enum object_type object_type,
265 enum fsck_msg_id msg_id, const char *fmt, ...)
266{
267 va_list ap;
268 struct fsck_object_report report = {
269 .oid = oid,
270 .object_type = object_type
271 };
272 int result;
273
274 if (object_on_skiplist(options, oid))
275 return 0;
276
277 va_start(ap, fmt);
278 result = fsck_vreport(options, &report, msg_id, fmt, ap);
279 va_end(ap);
280
281 return result;
282}
283
284int fsck_report_ref(struct fsck_options *options,
285 struct fsck_ref_report *report,
286 enum fsck_msg_id msg_id,
287 const char *fmt, ...)
288{
289 va_list ap;
290 int result;
291 va_start(ap, fmt);
292 result = fsck_vreport(options, report, msg_id, fmt, ap);
293 va_end(ap);
294 return result;
295}
296
297void fsck_enable_object_names(struct fsck_options *options)
298{
299 if (!options->object_names)
300 options->object_names = kh_init_oid_map();
301}
302
303const char *fsck_get_object_name(struct fsck_options *options,
304 const struct object_id *oid)
305{
306 khiter_t pos;
307 if (!options->object_names)
308 return NULL;
309 pos = kh_get_oid_map(options->object_names, *oid);
310 if (pos >= kh_end(options->object_names))
311 return NULL;
312 return kh_value(options->object_names, pos);
313}
314
315void fsck_put_object_name(struct fsck_options *options,
316 const struct object_id *oid,
317 const char *fmt, ...)
318{
319 va_list ap;
320 struct strbuf buf = STRBUF_INIT;
321 khiter_t pos;
322 int hashret;
323
324 if (!options->object_names)
325 return;
326
327 pos = kh_put_oid_map(options->object_names, *oid, &hashret);
328 if (!hashret)
329 return;
330 va_start(ap, fmt);
331 strbuf_vaddf(&buf, fmt, ap);
332 kh_value(options->object_names, pos) = strbuf_detach(&buf, NULL);
333 va_end(ap);
334}
335
336const char *fsck_describe_object(struct fsck_options *options,
337 const struct object_id *oid)
338{
339 static struct strbuf bufs[] = {
340 STRBUF_INIT, STRBUF_INIT, STRBUF_INIT, STRBUF_INIT
341 };
342 static int b = 0;
343 struct strbuf *buf;
344 const char *name = fsck_get_object_name(options, oid);
345
346 buf = bufs + b;
347 b = (b + 1) % ARRAY_SIZE(bufs);
348 strbuf_reset(buf);
349 strbuf_addstr(buf, oid_to_hex(oid));
350 if (name)
351 strbuf_addf(buf, " (%s)", name);
352
353 return buf->buf;
354}
355
356static int fsck_walk_tree(struct tree *tree, void *data, struct fsck_options *options)
357{
358 struct tree_desc desc;
359 struct name_entry entry;
360 int res = 0;
361 const char *name;
362
363 if (parse_tree(tree))
364 return -1;
365
366 name = fsck_get_object_name(options, &tree->object.oid);
367 if (init_tree_desc_gently(&desc, &tree->object.oid,
368 tree->buffer, tree->size, 0))
369 return -1;
370 while (tree_entry_gently(&desc, &entry)) {
371 struct object *obj;
372 int result;
373
374 if (S_ISGITLINK(entry.mode))
375 continue;
376
377 if (S_ISDIR(entry.mode)) {
378 obj = (struct object *)lookup_tree(the_repository, &entry.oid);
379 if (name && obj)
380 fsck_put_object_name(options, &entry.oid, "%s%s/",
381 name, entry.path);
382 result = options->walk(obj, OBJ_TREE, data, options);
383 }
384 else if (S_ISREG(entry.mode) || S_ISLNK(entry.mode)) {
385 obj = (struct object *)lookup_blob(the_repository, &entry.oid);
386 if (name && obj)
387 fsck_put_object_name(options, &entry.oid, "%s%s",
388 name, entry.path);
389 result = options->walk(obj, OBJ_BLOB, data, options);
390 }
391 else {
392 result = error("in tree %s: entry %s has bad mode %.6o",
393 fsck_describe_object(options, &tree->object.oid),
394 entry.path, entry.mode);
395 }
396 if (result < 0)
397 return result;
398 if (!res)
399 res = result;
400 }
401 return res;
402}
403
404static int fsck_walk_commit(struct commit *commit, void *data, struct fsck_options *options)
405{
406 int counter = 0, generation = 0, name_prefix_len = 0;
407 struct commit_list *parents;
408 int res;
409 int result;
410 const char *name;
411
412 if (repo_parse_commit(the_repository, commit))
413 return -1;
414
415 name = fsck_get_object_name(options, &commit->object.oid);
416 if (name)
417 fsck_put_object_name(options, get_commit_tree_oid(commit),
418 "%s:", name);
419
420 result = options->walk((struct object *) repo_get_commit_tree(the_repository, commit),
421 OBJ_TREE, data, options);
422 if (result < 0)
423 return result;
424 res = result;
425
426 parents = commit->parents;
427 if (name && parents) {
428 int len = strlen(name), power;
429
430 if (len && name[len - 1] == '^') {
431 generation = 1;
432 name_prefix_len = len - 1;
433 }
434 else { /* parse ~<generation> suffix */
435 for (generation = 0, power = 1;
436 len && isdigit(name[len - 1]);
437 power *= 10)
438 generation += power * (name[--len] - '0');
439 if (power > 1 && len && name[len - 1] == '~')
440 name_prefix_len = len - 1;
441 else {
442 /* Maybe a non-first parent, e.g. HEAD^2 */
443 generation = 0;
444 name_prefix_len = len;
445 }
446 }
447 }
448
449 while (parents) {
450 if (name) {
451 struct object_id *oid = &parents->item->object.oid;
452
453 if (counter++)
454 fsck_put_object_name(options, oid, "%s^%d",
455 name, counter);
456 else if (generation > 0)
457 fsck_put_object_name(options, oid, "%.*s~%d",
458 name_prefix_len, name,
459 generation + 1);
460 else
461 fsck_put_object_name(options, oid, "%s^", name);
462 }
463 result = options->walk((struct object *)parents->item, OBJ_COMMIT, data, options);
464 if (result < 0)
465 return result;
466 if (!res)
467 res = result;
468 parents = parents->next;
469 }
470 return res;
471}
472
473static int fsck_walk_tag(struct tag *tag, void *data, struct fsck_options *options)
474{
475 const char *name = fsck_get_object_name(options, &tag->object.oid);
476
477 if (parse_tag(tag))
478 return -1;
479 if (name)
480 fsck_put_object_name(options, &tag->tagged->oid, "%s", name);
481 return options->walk(tag->tagged, OBJ_ANY, data, options);
482}
483
484int fsck_walk(struct object *obj, void *data, struct fsck_options *options)
485{
486 if (!obj)
487 return -1;
488
489 if (obj->type == OBJ_NONE)
490 parse_object(the_repository, &obj->oid);
491
492 switch (obj->type) {
493 case OBJ_BLOB:
494 return 0;
495 case OBJ_TREE:
496 return fsck_walk_tree((struct tree *)obj, data, options);
497 case OBJ_COMMIT:
498 return fsck_walk_commit((struct commit *)obj, data, options);
499 case OBJ_TAG:
500 return fsck_walk_tag((struct tag *)obj, data, options);
501 default:
502 error("Unknown object type for %s",
503 fsck_describe_object(options, &obj->oid));
504 return -1;
505 }
506}
507
508struct name_stack {
509 const char **names;
510 size_t nr, alloc;
511};
512
513static void name_stack_push(struct name_stack *stack, const char *name)
514{
515 ALLOC_GROW(stack->names, stack->nr + 1, stack->alloc);
516 stack->names[stack->nr++] = name;
517}
518
519static const char *name_stack_pop(struct name_stack *stack)
520{
521 return stack->nr ? stack->names[--stack->nr] : NULL;
522}
523
524static void name_stack_clear(struct name_stack *stack)
525{
526 FREE_AND_NULL(stack->names);
527 stack->nr = stack->alloc = 0;
528}
529
530/*
531 * The entries in a tree are ordered in the _path_ order,
532 * which means that a directory entry is ordered by adding
533 * a slash to the end of it.
534 *
535 * So a directory called "a" is ordered _after_ a file
536 * called "a.c", because "a/" sorts after "a.c".
537 */
538#define TREE_UNORDERED (-1)
539#define TREE_HAS_DUPS (-2)
540
541static int is_less_than_slash(unsigned char c)
542{
543 return '\0' < c && c < '/';
544}
545
546static int verify_ordered(unsigned mode1, const char *name1,
547 unsigned mode2, const char *name2,
548 struct name_stack *candidates)
549{
550 int len1 = strlen(name1);
551 int len2 = strlen(name2);
552 int len = len1 < len2 ? len1 : len2;
553 unsigned char c1, c2;
554 int cmp;
555
556 cmp = memcmp(name1, name2, len);
557 if (cmp < 0)
558 return 0;
559 if (cmp > 0)
560 return TREE_UNORDERED;
561
562 /*
563 * Ok, the first <len> characters are the same.
564 * Now we need to order the next one, but turn
565 * a '\0' into a '/' for a directory entry.
566 */
567 c1 = name1[len];
568 c2 = name2[len];
569 if (!c1 && !c2)
570 /*
571 * git-write-tree used to write out a nonsense tree that has
572 * entries with the same name, one blob and one tree. Make
573 * sure we do not have duplicate entries.
574 */
575 return TREE_HAS_DUPS;
576 if (!c1 && S_ISDIR(mode1))
577 c1 = '/';
578 if (!c2 && S_ISDIR(mode2))
579 c2 = '/';
580
581 /*
582 * There can be non-consecutive duplicates due to the implicitly
583 * added slash, e.g.:
584 *
585 * foo
586 * foo.bar
587 * foo.bar.baz
588 * foo.bar/
589 * foo/
590 *
591 * Record non-directory candidates (like "foo" and "foo.bar" in
592 * the example) on a stack and check directory candidates (like
593 * foo/" and "foo.bar/") against that stack.
594 */
595 if (!c1 && is_less_than_slash(c2)) {
596 name_stack_push(candidates, name1);
597 } else if (c2 == '/' && is_less_than_slash(c1)) {
598 for (;;) {
599 const char *p;
600 const char *f_name = name_stack_pop(candidates);
601
602 if (!f_name)
603 break;
604 if (!skip_prefix(name2, f_name, &p))
605 continue;
606 if (!*p)
607 return TREE_HAS_DUPS;
608 if (is_less_than_slash(*p)) {
609 name_stack_push(candidates, f_name);
610 break;
611 }
612 }
613 }
614
615 return c1 < c2 ? 0 : TREE_UNORDERED;
616}
617
618static int fsck_tree(const struct object_id *tree_oid,
619 const char *buffer, unsigned long size,
620 struct fsck_options *options)
621{
622 int retval = 0;
623 int has_null_sha1 = 0;
624 int has_full_path = 0;
625 int has_empty_name = 0;
626 int has_dot = 0;
627 int has_dotdot = 0;
628 int has_dotgit = 0;
629 int has_zero_pad = 0;
630 int has_bad_modes = 0;
631 int has_dup_entries = 0;
632 int not_properly_sorted = 0;
633 int has_large_name = 0;
634 struct tree_desc desc;
635 unsigned o_mode;
636 const char *o_name;
637 struct name_stack df_dup_candidates = { NULL };
638
639 if (init_tree_desc_gently(&desc, tree_oid, buffer, size,
640 TREE_DESC_RAW_MODES)) {
641 retval += report(options, tree_oid, OBJ_TREE,
642 FSCK_MSG_BAD_TREE,
643 "cannot be parsed as a tree");
644 return retval;
645 }
646
647 o_mode = 0;
648 o_name = NULL;
649
650 while (desc.size) {
651 unsigned short mode;
652 const char *name, *backslash;
653 const struct object_id *entry_oid;
654
655 entry_oid = tree_entry_extract(&desc, &name, &mode);
656
657 has_null_sha1 |= is_null_oid(entry_oid);
658 has_full_path |= !!strchr(name, '/');
659 has_empty_name |= !*name;
660 has_dot |= !strcmp(name, ".");
661 has_dotdot |= !strcmp(name, "..");
662 has_dotgit |= is_hfs_dotgit(name) || is_ntfs_dotgit(name);
663 has_zero_pad |= *(char *)desc.buffer == '0';
664 has_large_name |= tree_entry_len(&desc.entry) > max_tree_entry_len;
665
666 if (is_hfs_dotgitmodules(name) || is_ntfs_dotgitmodules(name)) {
667 if (!S_ISLNK(mode))
668 oidset_insert(&options->gitmodules_found,
669 entry_oid);
670 else
671 retval += report(options,
672 tree_oid, OBJ_TREE,
673 FSCK_MSG_GITMODULES_SYMLINK,
674 ".gitmodules is a symbolic link");
675 }
676
677 if (is_hfs_dotgitattributes(name) || is_ntfs_dotgitattributes(name)) {
678 if (!S_ISLNK(mode))
679 oidset_insert(&options->gitattributes_found,
680 entry_oid);
681 else
682 retval += report(options, tree_oid, OBJ_TREE,
683 FSCK_MSG_GITATTRIBUTES_SYMLINK,
684 ".gitattributes is a symlink");
685 }
686
687 if (S_ISLNK(mode)) {
688 if (is_hfs_dotgitignore(name) ||
689 is_ntfs_dotgitignore(name))
690 retval += report(options, tree_oid, OBJ_TREE,
691 FSCK_MSG_GITIGNORE_SYMLINK,
692 ".gitignore is a symlink");
693 if (is_hfs_dotmailmap(name) ||
694 is_ntfs_dotmailmap(name))
695 retval += report(options, tree_oid, OBJ_TREE,
696 FSCK_MSG_MAILMAP_SYMLINK,
697 ".mailmap is a symlink");
698 }
699
700 if ((backslash = strchr(name, '\\'))) {
701 while (backslash) {
702 backslash++;
703 has_dotgit |= is_ntfs_dotgit(backslash);
704 if (is_ntfs_dotgitmodules(backslash)) {
705 if (!S_ISLNK(mode))
706 oidset_insert(&options->gitmodules_found,
707 entry_oid);
708 else
709 retval += report(options, tree_oid, OBJ_TREE,
710 FSCK_MSG_GITMODULES_SYMLINK,
711 ".gitmodules is a symbolic link");
712 }
713 backslash = strchr(backslash, '\\');
714 }
715 }
716
717 if (update_tree_entry_gently(&desc)) {
718 retval += report(options, tree_oid, OBJ_TREE,
719 FSCK_MSG_BAD_TREE,
720 "cannot be parsed as a tree");
721 break;
722 }
723
724 switch (mode) {
725 /*
726 * Standard modes..
727 */
728 case S_IFREG | 0755:
729 case S_IFREG | 0644:
730 case S_IFLNK:
731 case S_IFDIR:
732 case S_IFGITLINK:
733 break;
734 /*
735 * This is nonstandard, but we had a few of these
736 * early on when we honored the full set of mode
737 * bits..
738 */
739 case S_IFREG | 0664:
740 if (!options->strict)
741 break;
742 /* fallthrough */
743 default:
744 has_bad_modes = 1;
745 }
746
747 if (o_name) {
748 switch (verify_ordered(o_mode, o_name, mode, name,
749 &df_dup_candidates)) {
750 case TREE_UNORDERED:
751 not_properly_sorted = 1;
752 break;
753 case TREE_HAS_DUPS:
754 has_dup_entries = 1;
755 break;
756 default:
757 break;
758 }
759 }
760
761 o_mode = mode;
762 o_name = name;
763 }
764
765 name_stack_clear(&df_dup_candidates);
766
767 if (has_null_sha1)
768 retval += report(options, tree_oid, OBJ_TREE,
769 FSCK_MSG_NULL_SHA1,
770 "contains entries pointing to null sha1");
771 if (has_full_path)
772 retval += report(options, tree_oid, OBJ_TREE,
773 FSCK_MSG_FULL_PATHNAME,
774 "contains full pathnames");
775 if (has_empty_name)
776 retval += report(options, tree_oid, OBJ_TREE,
777 FSCK_MSG_EMPTY_NAME,
778 "contains empty pathname");
779 if (has_dot)
780 retval += report(options, tree_oid, OBJ_TREE,
781 FSCK_MSG_HAS_DOT,
782 "contains '.'");
783 if (has_dotdot)
784 retval += report(options, tree_oid, OBJ_TREE,
785 FSCK_MSG_HAS_DOTDOT,
786 "contains '..'");
787 if (has_dotgit)
788 retval += report(options, tree_oid, OBJ_TREE,
789 FSCK_MSG_HAS_DOTGIT,
790 "contains '.git'");
791 if (has_zero_pad)
792 retval += report(options, tree_oid, OBJ_TREE,
793 FSCK_MSG_ZERO_PADDED_FILEMODE,
794 "contains zero-padded file modes");
795 if (has_bad_modes)
796 retval += report(options, tree_oid, OBJ_TREE,
797 FSCK_MSG_BAD_FILEMODE,
798 "contains bad file modes");
799 if (has_dup_entries)
800 retval += report(options, tree_oid, OBJ_TREE,
801 FSCK_MSG_DUPLICATE_ENTRIES,
802 "contains duplicate file entries");
803 if (not_properly_sorted)
804 retval += report(options, tree_oid, OBJ_TREE,
805 FSCK_MSG_TREE_NOT_SORTED,
806 "not properly sorted");
807 if (has_large_name)
808 retval += report(options, tree_oid, OBJ_TREE,
809 FSCK_MSG_LARGE_PATHNAME,
810 "contains excessively large pathname");
811 return retval;
812}
813
814/*
815 * Confirm that the headers of a commit or tag object end in a reasonable way,
816 * either with the usual "\n\n" separator, or at least with a trailing newline
817 * on the final header line.
818 *
819 * This property is important for the memory safety of our callers. It allows
820 * them to scan the buffer linewise without constantly checking the remaining
821 * size as long as:
822 *
823 * - they check that there are bytes left in the buffer at the start of any
824 * line (i.e., that the last newline they saw was not the final one we
825 * found here)
826 *
827 * - any intra-line scanning they do will stop at a newline, which will worst
828 * case hit the newline we found here as the end-of-header. This makes it
829 * OK for them to use helpers like parse_oid_hex(), or even skip_prefix().
830 */
831static int verify_headers(const void *data, unsigned long size,
832 const struct object_id *oid, enum object_type type,
833 struct fsck_options *options)
834{
835 const char *buffer = (const char *)data;
836 unsigned long i;
837
838 for (i = 0; i < size; i++) {
839 switch (buffer[i]) {
840 case '\0':
841 return report(options, oid, type,
842 FSCK_MSG_NUL_IN_HEADER,
843 "unterminated header: NUL at offset %ld", i);
844 case '\n':
845 if (i + 1 < size && buffer[i + 1] == '\n')
846 return 0;
847 }
848 }
849
850 /*
851 * We did not find double-LF that separates the header
852 * and the body. Not having a body is not a crime but
853 * we do want to see the terminating LF for the last header
854 * line.
855 */
856 if (size && buffer[size - 1] == '\n')
857 return 0;
858
859 return report(options, oid, type,
860 FSCK_MSG_UNTERMINATED_HEADER, "unterminated header");
861}
862
863static int fsck_ident(const char **ident,
864 const struct object_id *oid, enum object_type type,
865 struct fsck_options *options)
866{
867 const char *p = *ident;
868 char *end;
869
870 *ident = strchrnul(*ident, '\n');
871 if (**ident == '\n')
872 (*ident)++;
873
874 if (*p == '<')
875 return report(options, oid, type, FSCK_MSG_MISSING_NAME_BEFORE_EMAIL, "invalid author/committer line - missing space before email");
876 p += strcspn(p, "<>\n");
877 if (*p == '>')
878 return report(options, oid, type, FSCK_MSG_BAD_NAME, "invalid author/committer line - bad name");
879 if (*p != '<')
880 return report(options, oid, type, FSCK_MSG_MISSING_EMAIL, "invalid author/committer line - missing email");
881 if (p[-1] != ' ')
882 return report(options, oid, type, FSCK_MSG_MISSING_SPACE_BEFORE_EMAIL, "invalid author/committer line - missing space before email");
883 p++;
884 p += strcspn(p, "<>\n");
885 if (*p != '>')
886 return report(options, oid, type, FSCK_MSG_BAD_EMAIL, "invalid author/committer line - bad email");
887 p++;
888 if (*p != ' ')
889 return report(options, oid, type, FSCK_MSG_MISSING_SPACE_BEFORE_DATE, "invalid author/committer line - missing space before date");
890 p++;
891 /*
892 * Our timestamp parser is based on the C strto*() functions, which
893 * will happily eat whitespace, including the newline that is supposed
894 * to prevent us walking past the end of the buffer. So do our own
895 * scan, skipping linear whitespace but not newlines, and then
896 * confirming we found a digit. We _could_ be even more strict here,
897 * as we really expect only a single space, but since we have
898 * traditionally allowed extra whitespace, we'll continue to do so.
899 */
900 while (*p == ' ' || *p == '\t')
901 p++;
902 if (!isdigit(*p))
903 return report(options, oid, type, FSCK_MSG_BAD_DATE,
904 "invalid author/committer line - bad date");
905 if (*p == '0' && p[1] != ' ')
906 return report(options, oid, type, FSCK_MSG_ZERO_PADDED_DATE, "invalid author/committer line - zero-padded date");
907 if (date_overflows(parse_timestamp(p, &end, 10)))
908 return report(options, oid, type, FSCK_MSG_BAD_DATE_OVERFLOW, "invalid author/committer line - date causes integer overflow");
909 if ((end == p || *end != ' '))
910 return report(options, oid, type, FSCK_MSG_BAD_DATE, "invalid author/committer line - bad date");
911 p = end + 1;
912 if ((*p != '+' && *p != '-') ||
913 !isdigit(p[1]) ||
914 !isdigit(p[2]) ||
915 !isdigit(p[3]) ||
916 !isdigit(p[4]) ||
917 (p[5] != '\n'))
918 return report(options, oid, type, FSCK_MSG_BAD_TIMEZONE, "invalid author/committer line - bad time zone");
919 p += 6;
920 return 0;
921}
922
923static int fsck_commit(const struct object_id *oid,
924 const char *buffer, unsigned long size,
925 struct fsck_options *options)
926{
927 struct object_id tree_oid, parent_oid;
928 unsigned author_count;
929 int err;
930 const char *buffer_begin = buffer;
931 const char *buffer_end = buffer + size;
932 const char *p;
933
934 /*
935 * We _must_ stop parsing immediately if this reports failure, as the
936 * memory safety of the rest of the function depends on it. See the
937 * comment above the definition of verify_headers() for more details.
938 */
939 if (verify_headers(buffer, size, oid, OBJ_COMMIT, options))
940 return -1;
941
942 if (buffer >= buffer_end || !skip_prefix(buffer, "tree ", &buffer))
943 return report(options, oid, OBJ_COMMIT, FSCK_MSG_MISSING_TREE, "invalid format - expected 'tree' line");
944 if (parse_oid_hex(buffer, &tree_oid, &p) || *p != '\n') {
945 err = report(options, oid, OBJ_COMMIT, FSCK_MSG_BAD_TREE_SHA1, "invalid 'tree' line format - bad sha1");
946 if (err)
947 return err;
948 }
949 buffer = p + 1;
950 while (buffer < buffer_end && skip_prefix(buffer, "parent ", &buffer)) {
951 if (parse_oid_hex(buffer, &parent_oid, &p) || *p != '\n') {
952 err = report(options, oid, OBJ_COMMIT, FSCK_MSG_BAD_PARENT_SHA1, "invalid 'parent' line format - bad sha1");
953 if (err)
954 return err;
955 }
956 buffer = p + 1;
957 }
958 author_count = 0;
959 while (buffer < buffer_end && skip_prefix(buffer, "author ", &buffer)) {
960 author_count++;
961 err = fsck_ident(&buffer, oid, OBJ_COMMIT, options);
962 if (err)
963 return err;
964 }
965 if (author_count < 1)
966 err = report(options, oid, OBJ_COMMIT, FSCK_MSG_MISSING_AUTHOR, "invalid format - expected 'author' line");
967 else if (author_count > 1)
968 err = report(options, oid, OBJ_COMMIT, FSCK_MSG_MULTIPLE_AUTHORS, "invalid format - multiple 'author' lines");
969 if (err)
970 return err;
971 if (buffer >= buffer_end || !skip_prefix(buffer, "committer ", &buffer))
972 return report(options, oid, OBJ_COMMIT, FSCK_MSG_MISSING_COMMITTER, "invalid format - expected 'committer' line");
973 err = fsck_ident(&buffer, oid, OBJ_COMMIT, options);
974 if (err)
975 return err;
976 if (memchr(buffer_begin, '\0', size)) {
977 err = report(options, oid, OBJ_COMMIT, FSCK_MSG_NUL_IN_COMMIT,
978 "NUL byte in the commit object body");
979 if (err)
980 return err;
981 }
982 return 0;
983}
984
985static int fsck_tag(const struct object_id *oid, const char *buffer,
986 unsigned long size, struct fsck_options *options)
987{
988 struct object_id tagged_oid;
989 int tagged_type;
990 return fsck_tag_standalone(oid, buffer, size, options, &tagged_oid,
991 &tagged_type);
992}
993
994int fsck_tag_standalone(const struct object_id *oid, const char *buffer,
995 unsigned long size, struct fsck_options *options,
996 struct object_id *tagged_oid,
997 int *tagged_type)
998{
999 int ret = 0;
1000 char *eol;
1001 struct strbuf sb = STRBUF_INIT;
1002 const char *buffer_end = buffer + size;
1003 const char *p;
1004
1005 /*
1006 * We _must_ stop parsing immediately if this reports failure, as the
1007 * memory safety of the rest of the function depends on it. See the
1008 * comment above the definition of verify_headers() for more details.
1009 */
1010 ret = verify_headers(buffer, size, oid, OBJ_TAG, options);
1011 if (ret)
1012 goto done;
1013
1014 if (buffer >= buffer_end || !skip_prefix(buffer, "object ", &buffer)) {
1015 ret = report(options, oid, OBJ_TAG, FSCK_MSG_MISSING_OBJECT, "invalid format - expected 'object' line");
1016 goto done;
1017 }
1018 if (parse_oid_hex(buffer, tagged_oid, &p) || *p != '\n') {
1019 ret = report(options, oid, OBJ_TAG, FSCK_MSG_BAD_OBJECT_SHA1, "invalid 'object' line format - bad sha1");
1020 if (ret)
1021 goto done;
1022 }
1023 buffer = p + 1;
1024
1025 if (buffer >= buffer_end || !skip_prefix(buffer, "type ", &buffer)) {
1026 ret = report(options, oid, OBJ_TAG, FSCK_MSG_MISSING_TYPE_ENTRY, "invalid format - expected 'type' line");
1027 goto done;
1028 }
1029 eol = memchr(buffer, '\n', buffer_end - buffer);
1030 if (!eol) {
1031 ret = report(options, oid, OBJ_TAG, FSCK_MSG_MISSING_TYPE, "invalid format - unexpected end after 'type' line");
1032 goto done;
1033 }
1034 *tagged_type = type_from_string_gently(buffer, eol - buffer, 1);
1035 if (*tagged_type < 0)
1036 ret = report(options, oid, OBJ_TAG, FSCK_MSG_BAD_TYPE, "invalid 'type' value");
1037 if (ret)
1038 goto done;
1039 buffer = eol + 1;
1040
1041 if (buffer >= buffer_end || !skip_prefix(buffer, "tag ", &buffer)) {
1042 ret = report(options, oid, OBJ_TAG, FSCK_MSG_MISSING_TAG_ENTRY, "invalid format - expected 'tag' line");
1043 goto done;
1044 }
1045 eol = memchr(buffer, '\n', buffer_end - buffer);
1046 if (!eol) {
1047 ret = report(options, oid, OBJ_TAG, FSCK_MSG_MISSING_TAG, "invalid format - unexpected end after 'type' line");
1048 goto done;
1049 }
1050 strbuf_addf(&sb, "refs/tags/%.*s", (int)(eol - buffer), buffer);
1051 if (check_refname_format(sb.buf, 0)) {
1052 ret = report(options, oid, OBJ_TAG,
1053 FSCK_MSG_BAD_TAG_NAME,
1054 "invalid 'tag' name: %.*s",
1055 (int)(eol - buffer), buffer);
1056 if (ret)
1057 goto done;
1058 }
1059 buffer = eol + 1;
1060
1061 if (buffer >= buffer_end || !skip_prefix(buffer, "tagger ", &buffer)) {
1062 /* early tags do not contain 'tagger' lines; warn only */
1063 ret = report(options, oid, OBJ_TAG, FSCK_MSG_MISSING_TAGGER_ENTRY, "invalid format - expected 'tagger' line");
1064 if (ret)
1065 goto done;
1066 }
1067 else
1068 ret = fsck_ident(&buffer, oid, OBJ_TAG, options);
1069
1070 if (buffer < buffer_end && (skip_prefix(buffer, "gpgsig ", &buffer) || skip_prefix(buffer, "gpgsig-sha256 ", &buffer))) {
1071 eol = memchr(buffer, '\n', buffer_end - buffer);
1072 if (!eol) {
1073 ret = report(options, oid, OBJ_TAG, FSCK_MSG_BAD_GPGSIG, "invalid format - unexpected end after 'gpgsig' or 'gpgsig-sha256' line");
1074 goto done;
1075 }
1076 buffer = eol + 1;
1077
1078 while (buffer < buffer_end && starts_with(buffer, " ")) {
1079 eol = memchr(buffer, '\n', buffer_end - buffer);
1080 if (!eol) {
1081 ret = report(options, oid, OBJ_TAG, FSCK_MSG_BAD_HEADER_CONTINUATION, "invalid format - unexpected end in 'gpgsig' or 'gpgsig-sha256' continuation line");
1082 goto done;
1083 }
1084 buffer = eol + 1;
1085 }
1086 }
1087
1088 if (buffer < buffer_end && !starts_with(buffer, "\n")) {
1089 /*
1090 * The verify_headers() check will allow
1091 * e.g. "[...]tagger <tagger>\nsome
1092 * garbage\n\nmessage" to pass, thinking "some
1093 * garbage" could be a custom header. E.g. "mktag"
1094 * doesn't want any unknown headers.
1095 */
1096 ret = report(options, oid, OBJ_TAG, FSCK_MSG_EXTRA_HEADER_ENTRY, "invalid format - extra header(s) after 'tagger'");
1097 if (ret)
1098 goto done;
1099 }
1100
1101done:
1102 strbuf_release(&sb);
1103 return ret;
1104}
1105
1106struct fsck_gitmodules_data {
1107 const struct object_id *oid;
1108 struct fsck_options *options;
1109 int ret;
1110};
1111
1112static int fsck_gitmodules_fn(const char *var, const char *value,
1113 const struct config_context *ctx UNUSED,
1114 void *vdata)
1115{
1116 struct fsck_gitmodules_data *data = vdata;
1117 const char *subsection, *key;
1118 size_t subsection_len;
1119 char *name;
1120
1121 if (parse_config_key(var, "submodule", &subsection, &subsection_len, &key) < 0 ||
1122 !subsection)
1123 return 0;
1124
1125 name = xmemdupz(subsection, subsection_len);
1126 if (check_submodule_name(name) < 0)
1127 data->ret |= report(data->options,
1128 data->oid, OBJ_BLOB,
1129 FSCK_MSG_GITMODULES_NAME,
1130 "disallowed submodule name: %s",
1131 name);
1132 if (!strcmp(key, "url") && value &&
1133 check_submodule_url(value) < 0)
1134 data->ret |= report(data->options,
1135 data->oid, OBJ_BLOB,
1136 FSCK_MSG_GITMODULES_URL,
1137 "disallowed submodule url: %s",
1138 value);
1139 if (!strcmp(key, "path") && value &&
1140 looks_like_command_line_option(value))
1141 data->ret |= report(data->options,
1142 data->oid, OBJ_BLOB,
1143 FSCK_MSG_GITMODULES_PATH,
1144 "disallowed submodule path: %s",
1145 value);
1146 if (!strcmp(key, "update") && value &&
1147 parse_submodule_update_type(value) == SM_UPDATE_COMMAND)
1148 data->ret |= report(data->options, data->oid, OBJ_BLOB,
1149 FSCK_MSG_GITMODULES_UPDATE,
1150 "disallowed submodule update setting: %s",
1151 value);
1152 free(name);
1153
1154 return 0;
1155}
1156
1157static int fsck_blob(const struct object_id *oid, const char *buf,
1158 unsigned long size, struct fsck_options *options)
1159{
1160 int ret = 0;
1161
1162 if (object_on_skiplist(options, oid))
1163 return 0;
1164
1165 if (oidset_contains(&options->gitmodules_found, oid)) {
1166 struct config_options config_opts = { 0 };
1167 struct fsck_gitmodules_data data;
1168
1169 oidset_insert(&options->gitmodules_done, oid);
1170
1171 if (!buf) {
1172 /*
1173 * A missing buffer here is a sign that the caller found the
1174 * blob too gigantic to load into memory. Let's just consider
1175 * that an error.
1176 */
1177 return report(options, oid, OBJ_BLOB,
1178 FSCK_MSG_GITMODULES_LARGE,
1179 ".gitmodules too large to parse");
1180 }
1181
1182 data.oid = oid;
1183 data.options = options;
1184 data.ret = 0;
1185 config_opts.error_action = CONFIG_ERROR_SILENT;
1186 if (git_config_from_mem(fsck_gitmodules_fn, CONFIG_ORIGIN_BLOB,
1187 ".gitmodules", buf, size, &data,
1188 CONFIG_SCOPE_UNKNOWN, &config_opts))
1189 data.ret |= report(options, oid, OBJ_BLOB,
1190 FSCK_MSG_GITMODULES_PARSE,
1191 "could not parse gitmodules blob");
1192 ret |= data.ret;
1193 }
1194
1195 if (oidset_contains(&options->gitattributes_found, oid)) {
1196 const char *ptr;
1197
1198 oidset_insert(&options->gitattributes_done, oid);
1199
1200 if (!buf || size > ATTR_MAX_FILE_SIZE) {
1201 /*
1202 * A missing buffer here is a sign that the caller found the
1203 * blob too gigantic to load into memory. Let's just consider
1204 * that an error.
1205 */
1206 return report(options, oid, OBJ_BLOB,
1207 FSCK_MSG_GITATTRIBUTES_LARGE,
1208 ".gitattributes too large to parse");
1209 }
1210
1211 for (ptr = buf; *ptr; ) {
1212 const char *eol = strchrnul(ptr, '\n');
1213 if (eol - ptr >= ATTR_MAX_LINE_LENGTH) {
1214 ret |= report(options, oid, OBJ_BLOB,
1215 FSCK_MSG_GITATTRIBUTES_LINE_LENGTH,
1216 ".gitattributes has too long lines to parse");
1217 break;
1218 }
1219
1220 ptr = *eol ? eol + 1 : eol;
1221 }
1222 }
1223
1224 return ret;
1225}
1226
1227int fsck_object(struct object *obj, void *data, unsigned long size,
1228 struct fsck_options *options)
1229{
1230 if (!obj)
1231 return report(options, NULL, OBJ_NONE, FSCK_MSG_BAD_OBJECT_SHA1, "no valid object to fsck");
1232
1233 return fsck_buffer(&obj->oid, obj->type, data, size, options);
1234}
1235
1236int fsck_buffer(const struct object_id *oid, enum object_type type,
1237 const void *data, unsigned long size,
1238 struct fsck_options *options)
1239{
1240 if (type == OBJ_BLOB)
1241 return fsck_blob(oid, data, size, options);
1242 if (type == OBJ_TREE)
1243 return fsck_tree(oid, data, size, options);
1244 if (type == OBJ_COMMIT)
1245 return fsck_commit(oid, data, size, options);
1246 if (type == OBJ_TAG)
1247 return fsck_tag(oid, data, size, options);
1248
1249 return report(options, oid, type,
1250 FSCK_MSG_UNKNOWN_TYPE,
1251 "unknown type '%d' (internal fsck error)",
1252 type);
1253}
1254
1255int fsck_objects_error_function(struct fsck_options *o,
1256 void *fsck_report,
1257 enum fsck_msg_type msg_type,
1258 enum fsck_msg_id msg_id UNUSED,
1259 const char *message)
1260{
1261 struct fsck_object_report *report = fsck_report;
1262 const struct object_id *oid = report->oid;
1263
1264 if (msg_type == FSCK_WARN) {
1265 warning("object %s: %s", fsck_describe_object(o, oid), message);
1266 return 0;
1267 }
1268 error("object %s: %s", fsck_describe_object(o, oid), message);
1269 return 1;
1270}
1271
1272int fsck_refs_error_function(struct fsck_options *options UNUSED,
1273 void *fsck_report,
1274 enum fsck_msg_type msg_type,
1275 enum fsck_msg_id msg_id UNUSED,
1276 const char *message)
1277{
1278 struct fsck_ref_report *report = fsck_report;
1279 struct strbuf sb = STRBUF_INIT;
1280 int ret = 0;
1281
1282 strbuf_addstr(&sb, report->path);
1283
1284 if (report->oid)
1285 strbuf_addf(&sb, " -> (%s)", oid_to_hex(report->oid));
1286 else if (report->referent)
1287 strbuf_addf(&sb, " -> (%s)", report->referent);
1288
1289 if (msg_type == FSCK_WARN)
1290 warning("%s: %s", sb.buf, message);
1291 else
1292 ret = error("%s: %s", sb.buf, message);
1293
1294 strbuf_release(&sb);
1295 return ret;
1296}
1297
1298static int fsck_blobs(struct oidset *blobs_found, struct oidset *blobs_done,
1299 enum fsck_msg_id msg_missing, enum fsck_msg_id msg_type,
1300 struct fsck_options *options, const char *blob_type)
1301{
1302 int ret = 0;
1303 struct oidset_iter iter;
1304 const struct object_id *oid;
1305
1306 oidset_iter_init(blobs_found, &iter);
1307 while ((oid = oidset_iter_next(&iter))) {
1308 enum object_type type;
1309 unsigned long size;
1310 char *buf;
1311
1312 if (oidset_contains(blobs_done, oid))
1313 continue;
1314
1315 buf = odb_read_object(the_repository->objects, oid, &type, &size);
1316 if (!buf) {
1317 if (is_promisor_object(the_repository, oid))
1318 continue;
1319 ret |= report(options,
1320 oid, OBJ_BLOB, msg_missing,
1321 "unable to read %s blob", blob_type);
1322 continue;
1323 }
1324
1325 if (type == OBJ_BLOB)
1326 ret |= fsck_blob(oid, buf, size, options);
1327 else
1328 ret |= report(options, oid, type, msg_type,
1329 "non-blob found at %s", blob_type);
1330 free(buf);
1331 }
1332
1333 oidset_clear(blobs_found);
1334 oidset_clear(blobs_done);
1335
1336 return ret;
1337}
1338
1339int fsck_finish(struct fsck_options *options)
1340{
1341 int ret = 0;
1342
1343 ret |= fsck_blobs(&options->gitmodules_found, &options->gitmodules_done,
1344 FSCK_MSG_GITMODULES_MISSING, FSCK_MSG_GITMODULES_BLOB,
1345 options, ".gitmodules");
1346 ret |= fsck_blobs(&options->gitattributes_found, &options->gitattributes_done,
1347 FSCK_MSG_GITATTRIBUTES_MISSING, FSCK_MSG_GITATTRIBUTES_BLOB,
1348 options, ".gitattributes");
1349
1350 return ret;
1351}
1352
1353void fsck_options_clear(struct fsck_options *options)
1354{
1355 free(options->msg_type);
1356 oidset_clear(&options->skip_oids);
1357 oidset_clear(&options->gitmodules_found);
1358 oidset_clear(&options->gitmodules_done);
1359 oidset_clear(&options->gitattributes_found);
1360 oidset_clear(&options->gitattributes_done);
1361 kh_clear_oid_map(options->object_names);
1362}
1363
1364int git_fsck_config(const char *var, const char *value,
1365 const struct config_context *ctx, void *cb)
1366{
1367 struct fsck_options *options = cb;
1368 const char *msg_id;
1369
1370 if (strcmp(var, "fsck.skiplist") == 0) {
1371 char *path;
1372 struct strbuf sb = STRBUF_INIT;
1373
1374 if (git_config_pathname(&path, var, value))
1375 return -1;
1376 strbuf_addf(&sb, "skiplist=%s", path);
1377 free(path);
1378 fsck_set_msg_types(options, sb.buf);
1379 strbuf_release(&sb);
1380 return 0;
1381 }
1382
1383 if (skip_prefix(var, "fsck.", &msg_id)) {
1384 if (!value)
1385 return config_error_nonbool(var);
1386 fsck_set_msg_type(options, msg_id, value);
1387 return 0;
1388 }
1389
1390 return git_default_config(var, value, ctx, cb);
1391}
1392
1393/*
1394 * Custom error callbacks that are used in more than one place.
1395 */
1396
1397int fsck_objects_error_cb_print_missing_gitmodules(struct fsck_options *o,
1398 void *fsck_report,
1399 enum fsck_msg_type msg_type,
1400 enum fsck_msg_id msg_id,
1401 const char *message)
1402{
1403 if (msg_id == FSCK_MSG_GITMODULES_MISSING) {
1404 struct fsck_object_report *report = fsck_report;
1405 puts(oid_to_hex(report->oid));
1406 return 0;
1407 }
1408 return fsck_objects_error_function(o, fsck_report,
1409 msg_type, msg_id, message);
1410}