2 #include "object-store.h"
3 #include "repository.h"
16 #include "submodule-config.h"
18 #include "credential.h"
21 static struct oidset gitmodules_found = OIDSET_INIT;
22 static struct oidset gitmodules_done = OIDSET_INIT;
27 #define FOREACH_MSG_ID(FUNC) \
29 FUNC(NUL_IN_HEADER, FATAL) \
30 FUNC(UNTERMINATED_HEADER, FATAL) \
32 FUNC(BAD_DATE, ERROR) \
33 FUNC(BAD_DATE_OVERFLOW, ERROR) \
34 FUNC(BAD_EMAIL, ERROR) \
35 FUNC(BAD_NAME, ERROR) \
36 FUNC(BAD_OBJECT_SHA1, ERROR) \
37 FUNC(BAD_PARENT_SHA1, ERROR) \
38 FUNC(BAD_TAG_OBJECT, ERROR) \
39 FUNC(BAD_TIMEZONE, ERROR) \
40 FUNC(BAD_TREE, ERROR) \
41 FUNC(BAD_TREE_SHA1, ERROR) \
42 FUNC(BAD_TYPE, ERROR) \
43 FUNC(DUPLICATE_ENTRIES, ERROR) \
44 FUNC(MISSING_AUTHOR, ERROR) \
45 FUNC(MISSING_COMMITTER, ERROR) \
46 FUNC(MISSING_EMAIL, ERROR) \
47 FUNC(MISSING_GRAFT, ERROR) \
48 FUNC(MISSING_NAME_BEFORE_EMAIL, ERROR) \
49 FUNC(MISSING_OBJECT, ERROR) \
50 FUNC(MISSING_PARENT, ERROR) \
51 FUNC(MISSING_SPACE_BEFORE_DATE, ERROR) \
52 FUNC(MISSING_SPACE_BEFORE_EMAIL, ERROR) \
53 FUNC(MISSING_TAG, ERROR) \
54 FUNC(MISSING_TAG_ENTRY, ERROR) \
55 FUNC(MISSING_TAG_OBJECT, ERROR) \
56 FUNC(MISSING_TREE, ERROR) \
57 FUNC(MISSING_TREE_OBJECT, ERROR) \
58 FUNC(MISSING_TYPE, ERROR) \
59 FUNC(MISSING_TYPE_ENTRY, ERROR) \
60 FUNC(MULTIPLE_AUTHORS, ERROR) \
61 FUNC(TAG_OBJECT_NOT_TAG, ERROR) \
62 FUNC(TREE_NOT_SORTED, ERROR) \
63 FUNC(UNKNOWN_TYPE, ERROR) \
64 FUNC(ZERO_PADDED_DATE, ERROR) \
65 FUNC(GITMODULES_MISSING, ERROR) \
66 FUNC(GITMODULES_BLOB, ERROR) \
67 FUNC(GITMODULES_LARGE, ERROR) \
68 FUNC(GITMODULES_NAME, ERROR) \
69 FUNC(GITMODULES_SYMLINK, ERROR) \
70 FUNC(GITMODULES_URL, ERROR) \
71 FUNC(GITMODULES_PATH, ERROR) \
72 FUNC(GITMODULES_UPDATE, ERROR) \
74 FUNC(BAD_FILEMODE, WARN) \
75 FUNC(EMPTY_NAME, WARN) \
76 FUNC(FULL_PATHNAME, WARN) \
78 FUNC(HAS_DOTDOT, WARN) \
79 FUNC(HAS_DOTGIT, WARN) \
80 FUNC(NULL_SHA1, WARN) \
81 FUNC(ZERO_PADDED_FILEMODE, WARN) \
82 FUNC(NUL_IN_COMMIT, WARN) \
83 /* infos (reported as warnings, but ignored by default) */ \
84 FUNC(GITMODULES_PARSE, INFO) \
85 FUNC(BAD_TAG_NAME, INFO) \
86 FUNC(MISSING_TAGGER_ENTRY, INFO)
88 #define MSG_ID(id, msg_type) FSCK_MSG_##id,
90 FOREACH_MSG_ID(MSG_ID)
96 #define MSG_ID(id, msg_type) { STR(id), NULL, NULL, FSCK_##msg_type },
98 const char *id_string;
99 const char *downcased;
100 const char *camelcased;
102 } msg_id_info[FSCK_MSG_MAX + 1] = {
103 FOREACH_MSG_ID(MSG_ID)
104 { NULL, NULL, NULL, -1 }
108 static void prepare_msg_ids(void)
112 if (msg_id_info[0].downcased)
115 /* convert id_string to lower case, without underscores. */
116 for (i = 0; i < FSCK_MSG_MAX; i++) {
117 const char *p = msg_id_info[i].id_string;
119 char *q = xmalloc(len);
121 msg_id_info[i].downcased = q;
126 *(q)++ = tolower(*(p)++);
129 p = msg_id_info[i].id_string;
131 msg_id_info[i].camelcased = q;
138 *q++ = tolower(*p++);
145 static int parse_msg_id(const char *text)
151 for (i = 0; i < FSCK_MSG_MAX; i++)
152 if (!strcmp(text, msg_id_info[i].downcased))
158 void list_config_fsck_msg_ids(struct string_list *list, const char *prefix)
164 for (i = 0; i < FSCK_MSG_MAX; i++)
165 list_config_item(list, prefix, msg_id_info[i].camelcased);
168 static int fsck_msg_type(enum fsck_msg_id msg_id,
169 struct fsck_options *options)
173 assert(msg_id >= 0 && msg_id < FSCK_MSG_MAX);
175 if (options->msg_type)
176 msg_type = options->msg_type[msg_id];
178 msg_type = msg_id_info[msg_id].msg_type;
179 if (options->strict && msg_type == FSCK_WARN)
180 msg_type = FSCK_ERROR;
186 static int parse_msg_type(const char *str)
188 if (!strcmp(str, "error"))
190 else if (!strcmp(str, "warn"))
192 else if (!strcmp(str, "ignore"))
195 die("Unknown fsck message type: '%s'", str);
198 int is_valid_msg_type(const char *msg_id, const char *msg_type)
200 if (parse_msg_id(msg_id) < 0)
202 parse_msg_type(msg_type);
206 void fsck_set_msg_type(struct fsck_options *options,
207 const char *msg_id, const char *msg_type)
209 int id = parse_msg_id(msg_id), type;
212 die("Unhandled message id: %s", msg_id);
213 type = parse_msg_type(msg_type);
215 if (type != FSCK_ERROR && msg_id_info[id].msg_type == FSCK_FATAL)
216 die("Cannot demote %s to %s", msg_id, msg_type);
218 if (!options->msg_type) {
221 ALLOC_ARRAY(msg_type, FSCK_MSG_MAX);
222 for (i = 0; i < FSCK_MSG_MAX; i++)
223 msg_type[i] = fsck_msg_type(i, options);
224 options->msg_type = msg_type;
227 options->msg_type[id] = type;
230 void fsck_set_msg_types(struct fsck_options *options, const char *values)
232 char *buf = xstrdup(values), *to_free = buf;
236 int len = strcspn(buf, " ,|"), equal;
246 equal < len && buf[equal] != '=' && buf[equal] != ':';
248 buf[equal] = tolower(buf[equal]);
251 if (!strcmp(buf, "skiplist")) {
253 die("skiplist requires a path");
254 oidset_parse_file(&options->skiplist, buf + equal + 1);
260 die("Missing '=': '%s'", buf);
262 fsck_set_msg_type(options, buf, buf + equal + 1);
268 static void append_msg_id(struct strbuf *sb, const char *msg_id)
271 char c = *(msg_id)++;
276 strbuf_addch(sb, tolower(c));
279 strbuf_addch(sb, *(msg_id)++);
283 strbuf_addstr(sb, ": ");
286 static int object_on_skiplist(struct fsck_options *opts, struct object *obj)
288 return opts && obj && oidset_contains(&opts->skiplist, &obj->oid);
291 __attribute__((format (printf, 4, 5)))
292 static int report(struct fsck_options *options, struct object *object,
293 enum fsck_msg_id id, const char *fmt, ...)
296 struct strbuf sb = STRBUF_INIT;
297 int msg_type = fsck_msg_type(id, options), result;
299 if (msg_type == FSCK_IGNORE)
302 if (object_on_skiplist(options, object))
305 if (msg_type == FSCK_FATAL)
306 msg_type = FSCK_ERROR;
307 else if (msg_type == FSCK_INFO)
308 msg_type = FSCK_WARN;
310 append_msg_id(&sb, msg_id_info[id].id_string);
313 strbuf_vaddf(&sb, fmt, ap);
314 result = options->error_func(options, object, msg_type, sb.buf);
321 static char *get_object_name(struct fsck_options *options, struct object *obj)
323 if (!options->object_names)
325 return lookup_decoration(options->object_names, obj);
328 static void put_object_name(struct fsck_options *options, struct object *obj,
329 const char *fmt, ...)
332 struct strbuf buf = STRBUF_INIT;
335 if (!options->object_names)
337 existing = lookup_decoration(options->object_names, obj);
341 strbuf_vaddf(&buf, fmt, ap);
342 add_decoration(options->object_names, obj, strbuf_detach(&buf, NULL));
346 static const char *describe_object(struct fsck_options *o, struct object *obj)
348 static struct strbuf buf = STRBUF_INIT;
352 strbuf_addstr(&buf, oid_to_hex(&obj->oid));
353 if (o->object_names && (name = lookup_decoration(o->object_names, obj)))
354 strbuf_addf(&buf, " (%s)", name);
359 static int fsck_walk_tree(struct tree *tree, void *data, struct fsck_options *options)
361 struct tree_desc desc;
362 struct name_entry entry;
366 if (parse_tree(tree))
369 name = get_object_name(options, &tree->object);
370 if (init_tree_desc_gently(&desc, tree->buffer, tree->size))
372 while (tree_entry_gently(&desc, &entry)) {
376 if (S_ISGITLINK(entry.mode))
379 if (S_ISDIR(entry.mode)) {
380 obj = (struct object *)lookup_tree(the_repository, &entry.oid);
382 put_object_name(options, obj, "%s%s/", name,
384 result = options->walk(obj, OBJ_TREE, data, options);
386 else if (S_ISREG(entry.mode) || S_ISLNK(entry.mode)) {
387 obj = (struct object *)lookup_blob(the_repository, &entry.oid);
389 put_object_name(options, obj, "%s%s", name,
391 result = options->walk(obj, OBJ_BLOB, data, options);
394 result = error("in tree %s: entry %s has bad mode %.6o",
395 describe_object(options, &tree->object), entry.path, entry.mode);
405 static int fsck_walk_commit(struct commit *commit, void *data, struct fsck_options *options)
407 int counter = 0, generation = 0, name_prefix_len = 0;
408 struct commit_list *parents;
413 if (parse_commit(commit))
416 name = get_object_name(options, &commit->object);
418 put_object_name(options, &get_commit_tree(commit)->object,
421 result = options->walk((struct object *)get_commit_tree(commit),
422 OBJ_TREE, data, options);
427 parents = commit->parents;
428 if (name && parents) {
429 int len = strlen(name), power;
431 if (len && name[len - 1] == '^') {
433 name_prefix_len = len - 1;
435 else { /* parse ~<generation> suffix */
436 for (generation = 0, power = 1;
437 len && isdigit(name[len - 1]);
439 generation += power * (name[--len] - '0');
440 if (power > 1 && len && name[len - 1] == '~')
441 name_prefix_len = len - 1;
447 struct object *obj = &parents->item->object;
450 put_object_name(options, obj, "%s^%d",
452 else if (generation > 0)
453 put_object_name(options, obj, "%.*s~%d",
454 name_prefix_len, name, generation + 1);
456 put_object_name(options, obj, "%s^", name);
458 result = options->walk((struct object *)parents->item, OBJ_COMMIT, data, options);
463 parents = parents->next;
468 static int fsck_walk_tag(struct tag *tag, void *data, struct fsck_options *options)
470 char *name = get_object_name(options, &tag->object);
475 put_object_name(options, tag->tagged, "%s", name);
476 return options->walk(tag->tagged, OBJ_ANY, data, options);
479 int fsck_walk(struct object *obj, void *data, struct fsck_options *options)
484 if (obj->type == OBJ_NONE)
485 parse_object(the_repository, &obj->oid);
491 return fsck_walk_tree((struct tree *)obj, data, options);
493 return fsck_walk_commit((struct commit *)obj, data, options);
495 return fsck_walk_tag((struct tag *)obj, data, options);
497 error("Unknown object type for %s", describe_object(options, obj));
503 * The entries in a tree are ordered in the _path_ order,
504 * which means that a directory entry is ordered by adding
505 * a slash to the end of it.
507 * So a directory called "a" is ordered _after_ a file
508 * called "a.c", because "a/" sorts after "a.c".
510 #define TREE_UNORDERED (-1)
511 #define TREE_HAS_DUPS (-2)
513 static int verify_ordered(unsigned mode1, const char *name1, unsigned mode2, const char *name2)
515 int len1 = strlen(name1);
516 int len2 = strlen(name2);
517 int len = len1 < len2 ? len1 : len2;
518 unsigned char c1, c2;
521 cmp = memcmp(name1, name2, len);
525 return TREE_UNORDERED;
528 * Ok, the first <len> characters are the same.
529 * Now we need to order the next one, but turn
530 * a '\0' into a '/' for a directory entry.
536 * git-write-tree used to write out a nonsense tree that has
537 * entries with the same name, one blob and one tree. Make
538 * sure we do not have duplicate entries.
540 return TREE_HAS_DUPS;
541 if (!c1 && S_ISDIR(mode1))
543 if (!c2 && S_ISDIR(mode2))
545 return c1 < c2 ? 0 : TREE_UNORDERED;
548 static int fsck_tree(struct tree *item, struct fsck_options *options)
551 int has_null_sha1 = 0;
552 int has_full_path = 0;
553 int has_empty_name = 0;
557 int has_zero_pad = 0;
558 int has_bad_modes = 0;
559 int has_dup_entries = 0;
560 int not_properly_sorted = 0;
561 struct tree_desc desc;
565 if (init_tree_desc_gently(&desc, item->buffer, item->size)) {
566 retval += report(options, &item->object, FSCK_MSG_BAD_TREE, "cannot be parsed as a tree");
575 const char *name, *backslash;
576 const struct object_id *oid;
578 oid = tree_entry_extract(&desc, &name, &mode);
580 has_null_sha1 |= is_null_oid(oid);
581 has_full_path |= !!strchr(name, '/');
582 has_empty_name |= !*name;
583 has_dot |= !strcmp(name, ".");
584 has_dotdot |= !strcmp(name, "..");
585 has_dotgit |= is_hfs_dotgit(name) || is_ntfs_dotgit(name);
586 has_zero_pad |= *(char *)desc.buffer == '0';
588 if (is_hfs_dotgitmodules(name) || is_ntfs_dotgitmodules(name)) {
590 oidset_insert(&gitmodules_found, oid);
592 retval += report(options, &item->object,
593 FSCK_MSG_GITMODULES_SYMLINK,
594 ".gitmodules is a symbolic link");
597 if ((backslash = strchr(name, '\\'))) {
600 has_dotgit |= is_ntfs_dotgit(backslash);
601 if (is_ntfs_dotgitmodules(backslash)) {
603 oidset_insert(&gitmodules_found, oid);
605 retval += report(options, &item->object,
606 FSCK_MSG_GITMODULES_SYMLINK,
607 ".gitmodules is a symbolic link");
609 backslash = strchr(backslash, '\\');
613 if (update_tree_entry_gently(&desc)) {
614 retval += report(options, &item->object, FSCK_MSG_BAD_TREE, "cannot be parsed as a tree");
629 * This is nonstandard, but we had a few of these
630 * early on when we honored the full set of mode
634 if (!options->strict)
642 switch (verify_ordered(o_mode, o_name, mode, name)) {
644 not_properly_sorted = 1;
659 retval += report(options, &item->object, FSCK_MSG_NULL_SHA1, "contains entries pointing to null sha1");
661 retval += report(options, &item->object, FSCK_MSG_FULL_PATHNAME, "contains full pathnames");
663 retval += report(options, &item->object, FSCK_MSG_EMPTY_NAME, "contains empty pathname");
665 retval += report(options, &item->object, FSCK_MSG_HAS_DOT, "contains '.'");
667 retval += report(options, &item->object, FSCK_MSG_HAS_DOTDOT, "contains '..'");
669 retval += report(options, &item->object, FSCK_MSG_HAS_DOTGIT, "contains '.git'");
671 retval += report(options, &item->object, FSCK_MSG_ZERO_PADDED_FILEMODE, "contains zero-padded file modes");
673 retval += report(options, &item->object, FSCK_MSG_BAD_FILEMODE, "contains bad file modes");
675 retval += report(options, &item->object, FSCK_MSG_DUPLICATE_ENTRIES, "contains duplicate file entries");
676 if (not_properly_sorted)
677 retval += report(options, &item->object, FSCK_MSG_TREE_NOT_SORTED, "not properly sorted");
681 static int verify_headers(const void *data, unsigned long size,
682 struct object *obj, struct fsck_options *options)
684 const char *buffer = (const char *)data;
687 for (i = 0; i < size; i++) {
690 return report(options, obj,
691 FSCK_MSG_NUL_IN_HEADER,
692 "unterminated header: NUL at offset %ld", i);
694 if (i + 1 < size && buffer[i + 1] == '\n')
700 * We did not find double-LF that separates the header
701 * and the body. Not having a body is not a crime but
702 * we do want to see the terminating LF for the last header
705 if (size && buffer[size - 1] == '\n')
708 return report(options, obj,
709 FSCK_MSG_UNTERMINATED_HEADER, "unterminated header");
712 static int fsck_ident(const char **ident, struct object *obj, struct fsck_options *options)
714 const char *p = *ident;
717 *ident = strchrnul(*ident, '\n');
722 return report(options, obj, FSCK_MSG_MISSING_NAME_BEFORE_EMAIL, "invalid author/committer line - missing space before email");
723 p += strcspn(p, "<>\n");
725 return report(options, obj, FSCK_MSG_BAD_NAME, "invalid author/committer line - bad name");
727 return report(options, obj, FSCK_MSG_MISSING_EMAIL, "invalid author/committer line - missing email");
729 return report(options, obj, FSCK_MSG_MISSING_SPACE_BEFORE_EMAIL, "invalid author/committer line - missing space before email");
731 p += strcspn(p, "<>\n");
733 return report(options, obj, FSCK_MSG_BAD_EMAIL, "invalid author/committer line - bad email");
736 return report(options, obj, FSCK_MSG_MISSING_SPACE_BEFORE_DATE, "invalid author/committer line - missing space before date");
738 if (*p == '0' && p[1] != ' ')
739 return report(options, obj, FSCK_MSG_ZERO_PADDED_DATE, "invalid author/committer line - zero-padded date");
740 if (date_overflows(parse_timestamp(p, &end, 10)))
741 return report(options, obj, FSCK_MSG_BAD_DATE_OVERFLOW, "invalid author/committer line - date causes integer overflow");
742 if ((end == p || *end != ' '))
743 return report(options, obj, FSCK_MSG_BAD_DATE, "invalid author/committer line - bad date");
745 if ((*p != '+' && *p != '-') ||
751 return report(options, obj, FSCK_MSG_BAD_TIMEZONE, "invalid author/committer line - bad time zone");
756 static int fsck_commit_buffer(struct commit *commit, const char *buffer,
757 unsigned long size, struct fsck_options *options)
759 struct object_id tree_oid, oid;
760 struct commit_graft *graft;
761 unsigned parent_count, parent_line_count = 0, author_count;
763 const char *buffer_begin = buffer;
766 if (verify_headers(buffer, size, &commit->object, options))
769 if (!skip_prefix(buffer, "tree ", &buffer))
770 return report(options, &commit->object, FSCK_MSG_MISSING_TREE, "invalid format - expected 'tree' line");
771 if (parse_oid_hex(buffer, &tree_oid, &p) || *p != '\n') {
772 err = report(options, &commit->object, FSCK_MSG_BAD_TREE_SHA1, "invalid 'tree' line format - bad sha1");
777 while (skip_prefix(buffer, "parent ", &buffer)) {
778 if (parse_oid_hex(buffer, &oid, &p) || *p != '\n') {
779 err = report(options, &commit->object, FSCK_MSG_BAD_PARENT_SHA1, "invalid 'parent' line format - bad sha1");
786 graft = lookup_commit_graft(the_repository, &commit->object.oid);
787 parent_count = commit_list_count(commit->parents);
789 if (graft->nr_parent == -1 && !parent_count)
790 ; /* shallow commit */
791 else if (graft->nr_parent != parent_count) {
792 err = report(options, &commit->object, FSCK_MSG_MISSING_GRAFT, "graft objects missing");
797 if (parent_count != parent_line_count) {
798 err = report(options, &commit->object, FSCK_MSG_MISSING_PARENT, "parent objects missing");
804 while (skip_prefix(buffer, "author ", &buffer)) {
806 err = fsck_ident(&buffer, &commit->object, options);
810 if (author_count < 1)
811 err = report(options, &commit->object, FSCK_MSG_MISSING_AUTHOR, "invalid format - expected 'author' line");
812 else if (author_count > 1)
813 err = report(options, &commit->object, FSCK_MSG_MULTIPLE_AUTHORS, "invalid format - multiple 'author' lines");
816 if (!skip_prefix(buffer, "committer ", &buffer))
817 return report(options, &commit->object, FSCK_MSG_MISSING_COMMITTER, "invalid format - expected 'committer' line");
818 err = fsck_ident(&buffer, &commit->object, options);
821 if (!get_commit_tree(commit)) {
822 err = report(options, &commit->object, FSCK_MSG_BAD_TREE, "could not load commit's tree %s", oid_to_hex(&tree_oid));
826 if (memchr(buffer_begin, '\0', size)) {
827 err = report(options, &commit->object, FSCK_MSG_NUL_IN_COMMIT,
828 "NUL byte in the commit object body");
835 static int fsck_commit(struct commit *commit, const char *data,
836 unsigned long size, struct fsck_options *options)
838 const char *buffer = data ? data : get_commit_buffer(commit, &size);
839 int ret = fsck_commit_buffer(commit, buffer, size, options);
841 unuse_commit_buffer(commit, buffer);
845 static int fsck_tag_buffer(struct tag *tag, const char *data,
846 unsigned long size, struct fsck_options *options)
848 struct object_id oid;
851 char *to_free = NULL, *eol;
852 struct strbuf sb = STRBUF_INIT;
858 enum object_type type;
861 read_object_file(&tag->object.oid, &type, &size);
863 return report(options, &tag->object,
864 FSCK_MSG_MISSING_TAG_OBJECT,
865 "cannot read tag object");
867 if (type != OBJ_TAG) {
868 ret = report(options, &tag->object,
869 FSCK_MSG_TAG_OBJECT_NOT_TAG,
870 "expected tag got %s",
876 ret = verify_headers(buffer, size, &tag->object, options);
880 if (!skip_prefix(buffer, "object ", &buffer)) {
881 ret = report(options, &tag->object, FSCK_MSG_MISSING_OBJECT, "invalid format - expected 'object' line");
884 if (parse_oid_hex(buffer, &oid, &p) || *p != '\n') {
885 ret = report(options, &tag->object, FSCK_MSG_BAD_OBJECT_SHA1, "invalid 'object' line format - bad sha1");
891 if (!skip_prefix(buffer, "type ", &buffer)) {
892 ret = report(options, &tag->object, FSCK_MSG_MISSING_TYPE_ENTRY, "invalid format - expected 'type' line");
895 eol = strchr(buffer, '\n');
897 ret = report(options, &tag->object, FSCK_MSG_MISSING_TYPE, "invalid format - unexpected end after 'type' line");
900 if (type_from_string_gently(buffer, eol - buffer, 1) < 0)
901 ret = report(options, &tag->object, FSCK_MSG_BAD_TYPE, "invalid 'type' value");
906 if (!skip_prefix(buffer, "tag ", &buffer)) {
907 ret = report(options, &tag->object, FSCK_MSG_MISSING_TAG_ENTRY, "invalid format - expected 'tag' line");
910 eol = strchr(buffer, '\n');
912 ret = report(options, &tag->object, FSCK_MSG_MISSING_TAG, "invalid format - unexpected end after 'type' line");
915 strbuf_addf(&sb, "refs/tags/%.*s", (int)(eol - buffer), buffer);
916 if (check_refname_format(sb.buf, 0)) {
917 ret = report(options, &tag->object, FSCK_MSG_BAD_TAG_NAME,
918 "invalid 'tag' name: %.*s",
919 (int)(eol - buffer), buffer);
925 if (!skip_prefix(buffer, "tagger ", &buffer)) {
926 /* early tags do not contain 'tagger' lines; warn only */
927 ret = report(options, &tag->object, FSCK_MSG_MISSING_TAGGER_ENTRY, "invalid format - expected 'tagger' line");
932 ret = fsck_ident(&buffer, &tag->object, options);
940 static int fsck_tag(struct tag *tag, const char *data,
941 unsigned long size, struct fsck_options *options)
943 struct object *tagged = tag->tagged;
946 return report(options, &tag->object, FSCK_MSG_BAD_TAG_OBJECT, "could not load tagged object");
948 return fsck_tag_buffer(tag, data, size, options);
951 static int check_submodule_url(const char *url)
953 struct credential c = CREDENTIAL_INIT;
956 if (looks_like_command_line_option(url))
959 ret = credential_from_url_gently(&c, url, 1);
960 credential_clear(&c);
964 struct fsck_gitmodules_data {
966 struct fsck_options *options;
970 static int fsck_gitmodules_fn(const char *var, const char *value, void *vdata)
972 struct fsck_gitmodules_data *data = vdata;
973 const char *subsection, *key;
977 if (parse_config_key(var, "submodule", &subsection, &subsection_len, &key) < 0 ||
981 name = xmemdupz(subsection, subsection_len);
982 if (check_submodule_name(name) < 0)
983 data->ret |= report(data->options, data->obj,
984 FSCK_MSG_GITMODULES_NAME,
985 "disallowed submodule name: %s",
987 if (!strcmp(key, "url") && value &&
988 check_submodule_url(value) < 0)
989 data->ret |= report(data->options, data->obj,
990 FSCK_MSG_GITMODULES_URL,
991 "disallowed submodule url: %s",
993 if (!strcmp(key, "path") && value &&
994 looks_like_command_line_option(value))
995 data->ret |= report(data->options, data->obj,
996 FSCK_MSG_GITMODULES_PATH,
997 "disallowed submodule path: %s",
999 if (!strcmp(key, "update") && value &&
1000 parse_submodule_update_type(value) == SM_UPDATE_COMMAND)
1001 data->ret |= report(data->options, data->obj,
1002 FSCK_MSG_GITMODULES_UPDATE,
1003 "disallowed submodule update setting: %s",
1010 static int fsck_blob(struct blob *blob, const char *buf,
1011 unsigned long size, struct fsck_options *options)
1013 struct fsck_gitmodules_data data;
1014 struct config_options config_opts = { 0 };
1016 if (!oidset_contains(&gitmodules_found, &blob->object.oid))
1018 oidset_insert(&gitmodules_done, &blob->object.oid);
1020 if (object_on_skiplist(options, &blob->object))
1025 * A missing buffer here is a sign that the caller found the
1026 * blob too gigantic to load into memory. Let's just consider
1029 return report(options, &blob->object,
1030 FSCK_MSG_GITMODULES_LARGE,
1031 ".gitmodules too large to parse");
1034 data.obj = &blob->object;
1035 data.options = options;
1037 config_opts.error_action = CONFIG_ERROR_SILENT;
1038 if (git_config_from_mem(fsck_gitmodules_fn, CONFIG_ORIGIN_BLOB,
1039 ".gitmodules", buf, size, &data, &config_opts))
1040 data.ret |= report(options, &blob->object,
1041 FSCK_MSG_GITMODULES_PARSE,
1042 "could not parse gitmodules blob");
1047 int fsck_object(struct object *obj, void *data, unsigned long size,
1048 struct fsck_options *options)
1051 return report(options, obj, FSCK_MSG_BAD_OBJECT_SHA1, "no valid object to fsck");
1053 if (obj->type == OBJ_BLOB)
1054 return fsck_blob((struct blob *)obj, data, size, options);
1055 if (obj->type == OBJ_TREE)
1056 return fsck_tree((struct tree *) obj, options);
1057 if (obj->type == OBJ_COMMIT)
1058 return fsck_commit((struct commit *) obj, (const char *) data,
1060 if (obj->type == OBJ_TAG)
1061 return fsck_tag((struct tag *) obj, (const char *) data,
1064 return report(options, obj, FSCK_MSG_UNKNOWN_TYPE, "unknown type '%d' (internal fsck error)",
1068 int fsck_error_function(struct fsck_options *o,
1069 struct object *obj, int msg_type, const char *message)
1071 if (msg_type == FSCK_WARN) {
1072 warning("object %s: %s", describe_object(o, obj), message);
1075 error("object %s: %s", describe_object(o, obj), message);
1079 int fsck_finish(struct fsck_options *options)
1082 struct oidset_iter iter;
1083 const struct object_id *oid;
1085 oidset_iter_init(&gitmodules_found, &iter);
1086 while ((oid = oidset_iter_next(&iter))) {
1088 enum object_type type;
1092 if (oidset_contains(&gitmodules_done, oid))
1095 blob = lookup_blob(the_repository, oid);
1097 struct object *obj = lookup_unknown_object(oid);
1098 ret |= report(options, obj,
1099 FSCK_MSG_GITMODULES_BLOB,
1100 "non-blob found at .gitmodules");
1104 buf = read_object_file(oid, &type, &size);
1106 if (is_promisor_object(&blob->object.oid))
1108 ret |= report(options, &blob->object,
1109 FSCK_MSG_GITMODULES_MISSING,
1110 "unable to read .gitmodules blob");
1114 if (type == OBJ_BLOB)
1115 ret |= fsck_blob(blob, buf, size, options);
1117 ret |= report(options, &blob->object,
1118 FSCK_MSG_GITMODULES_BLOB,
1119 "non-blob found at .gitmodules");
1124 oidset_clear(&gitmodules_found);
1125 oidset_clear(&gitmodules_done);