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_NAME_BEFORE_EMAIL, ERROR) \
48 FUNC(MISSING_OBJECT, ERROR) \
49 FUNC(MISSING_SPACE_BEFORE_DATE, ERROR) \
50 FUNC(MISSING_SPACE_BEFORE_EMAIL, ERROR) \
51 FUNC(MISSING_TAG, ERROR) \
52 FUNC(MISSING_TAG_ENTRY, ERROR) \
53 FUNC(MISSING_TREE, ERROR) \
54 FUNC(MISSING_TREE_OBJECT, ERROR) \
55 FUNC(MISSING_TYPE, ERROR) \
56 FUNC(MISSING_TYPE_ENTRY, ERROR) \
57 FUNC(MULTIPLE_AUTHORS, ERROR) \
58 FUNC(TREE_NOT_SORTED, ERROR) \
59 FUNC(UNKNOWN_TYPE, ERROR) \
60 FUNC(ZERO_PADDED_DATE, ERROR) \
61 FUNC(GITMODULES_MISSING, ERROR) \
62 FUNC(GITMODULES_BLOB, ERROR) \
63 FUNC(GITMODULES_LARGE, ERROR) \
64 FUNC(GITMODULES_NAME, ERROR) \
65 FUNC(GITMODULES_SYMLINK, ERROR) \
66 FUNC(GITMODULES_URL, ERROR) \
67 FUNC(GITMODULES_PATH, ERROR) \
68 FUNC(GITMODULES_UPDATE, ERROR) \
70 FUNC(BAD_FILEMODE, WARN) \
71 FUNC(EMPTY_NAME, WARN) \
72 FUNC(FULL_PATHNAME, WARN) \
74 FUNC(HAS_DOTDOT, WARN) \
75 FUNC(HAS_DOTGIT, WARN) \
76 FUNC(NULL_SHA1, WARN) \
77 FUNC(ZERO_PADDED_FILEMODE, WARN) \
78 FUNC(NUL_IN_COMMIT, WARN) \
79 /* infos (reported as warnings, but ignored by default) */ \
80 FUNC(GITMODULES_PARSE, INFO) \
81 FUNC(BAD_TAG_NAME, INFO) \
82 FUNC(MISSING_TAGGER_ENTRY, INFO)
84 #define MSG_ID(id, msg_type) FSCK_MSG_##id,
86 FOREACH_MSG_ID(MSG_ID
)
92 #define MSG_ID(id, msg_type) { STR(id), NULL, NULL, FSCK_##msg_type },
94 const char *id_string
;
95 const char *downcased
;
96 const char *camelcased
;
98 } msg_id_info
[FSCK_MSG_MAX
+ 1] = {
99 FOREACH_MSG_ID(MSG_ID
)
100 { NULL
, NULL
, NULL
, -1 }
104 static void prepare_msg_ids(void)
108 if (msg_id_info
[0].downcased
)
111 /* convert id_string to lower case, without underscores. */
112 for (i
= 0; i
< FSCK_MSG_MAX
; i
++) {
113 const char *p
= msg_id_info
[i
].id_string
;
115 char *q
= xmalloc(len
);
117 msg_id_info
[i
].downcased
= q
;
122 *(q
)++ = tolower(*(p
)++);
125 p
= msg_id_info
[i
].id_string
;
127 msg_id_info
[i
].camelcased
= q
;
134 *q
++ = tolower(*p
++);
141 static int parse_msg_id(const char *text
)
147 for (i
= 0; i
< FSCK_MSG_MAX
; i
++)
148 if (!strcmp(text
, msg_id_info
[i
].downcased
))
154 void list_config_fsck_msg_ids(struct string_list
*list
, const char *prefix
)
160 for (i
= 0; i
< FSCK_MSG_MAX
; i
++)
161 list_config_item(list
, prefix
, msg_id_info
[i
].camelcased
);
164 static int fsck_msg_type(enum fsck_msg_id msg_id
,
165 struct fsck_options
*options
)
169 assert(msg_id
>= 0 && msg_id
< FSCK_MSG_MAX
);
171 if (options
->msg_type
)
172 msg_type
= options
->msg_type
[msg_id
];
174 msg_type
= msg_id_info
[msg_id
].msg_type
;
175 if (options
->strict
&& msg_type
== FSCK_WARN
)
176 msg_type
= FSCK_ERROR
;
182 static int parse_msg_type(const char *str
)
184 if (!strcmp(str
, "error"))
186 else if (!strcmp(str
, "warn"))
188 else if (!strcmp(str
, "ignore"))
191 die("Unknown fsck message type: '%s'", str
);
194 int is_valid_msg_type(const char *msg_id
, const char *msg_type
)
196 if (parse_msg_id(msg_id
) < 0)
198 parse_msg_type(msg_type
);
202 void fsck_set_msg_type(struct fsck_options
*options
,
203 const char *msg_id
, const char *msg_type
)
205 int id
= parse_msg_id(msg_id
), type
;
208 die("Unhandled message id: %s", msg_id
);
209 type
= parse_msg_type(msg_type
);
211 if (type
!= FSCK_ERROR
&& msg_id_info
[id
].msg_type
== FSCK_FATAL
)
212 die("Cannot demote %s to %s", msg_id
, msg_type
);
214 if (!options
->msg_type
) {
217 ALLOC_ARRAY(msg_type
, FSCK_MSG_MAX
);
218 for (i
= 0; i
< FSCK_MSG_MAX
; i
++)
219 msg_type
[i
] = fsck_msg_type(i
, options
);
220 options
->msg_type
= msg_type
;
223 options
->msg_type
[id
] = type
;
226 void fsck_set_msg_types(struct fsck_options
*options
, const char *values
)
228 char *buf
= xstrdup(values
), *to_free
= buf
;
232 int len
= strcspn(buf
, " ,|"), equal
;
242 equal
< len
&& buf
[equal
] != '=' && buf
[equal
] != ':';
244 buf
[equal
] = tolower(buf
[equal
]);
247 if (!strcmp(buf
, "skiplist")) {
249 die("skiplist requires a path");
250 oidset_parse_file(&options
->skiplist
, buf
+ equal
+ 1);
256 die("Missing '=': '%s'", buf
);
258 fsck_set_msg_type(options
, buf
, buf
+ equal
+ 1);
264 static void append_msg_id(struct strbuf
*sb
, const char *msg_id
)
267 char c
= *(msg_id
)++;
272 strbuf_addch(sb
, tolower(c
));
275 strbuf_addch(sb
, *(msg_id
)++);
279 strbuf_addstr(sb
, ": ");
282 static int object_on_skiplist(struct fsck_options
*opts
,
283 const struct object_id
*oid
)
285 return opts
&& oid
&& oidset_contains(&opts
->skiplist
, oid
);
288 __attribute__((format (printf
, 5, 6)))
289 static int report(struct fsck_options
*options
,
290 const struct object_id
*oid
, enum object_type object_type
,
291 enum fsck_msg_id id
, const char *fmt
, ...)
294 struct strbuf sb
= STRBUF_INIT
;
295 int msg_type
= fsck_msg_type(id
, options
), result
;
297 if (msg_type
== FSCK_IGNORE
)
300 if (object_on_skiplist(options
, oid
))
303 if (msg_type
== FSCK_FATAL
)
304 msg_type
= FSCK_ERROR
;
305 else if (msg_type
== FSCK_INFO
)
306 msg_type
= FSCK_WARN
;
308 append_msg_id(&sb
, msg_id_info
[id
].id_string
);
311 strbuf_vaddf(&sb
, fmt
, ap
);
312 result
= options
->error_func(options
, oid
, object_type
,
320 void fsck_enable_object_names(struct fsck_options
*options
)
322 if (!options
->object_names
)
323 options
->object_names
= kh_init_oid_map();
326 const char *fsck_get_object_name(struct fsck_options
*options
,
327 const struct object_id
*oid
)
330 if (!options
->object_names
)
332 pos
= kh_get_oid_map(options
->object_names
, *oid
);
333 if (pos
>= kh_end(options
->object_names
))
335 return kh_value(options
->object_names
, pos
);
338 void fsck_put_object_name(struct fsck_options
*options
,
339 const struct object_id
*oid
,
340 const char *fmt
, ...)
343 struct strbuf buf
= STRBUF_INIT
;
347 if (!options
->object_names
)
350 pos
= kh_put_oid_map(options
->object_names
, *oid
, &hashret
);
354 strbuf_vaddf(&buf
, fmt
, ap
);
355 kh_value(options
->object_names
, pos
) = strbuf_detach(&buf
, NULL
);
359 const char *fsck_describe_object(struct fsck_options
*options
,
360 const struct object_id
*oid
)
362 static struct strbuf bufs
[] = {
363 STRBUF_INIT
, STRBUF_INIT
, STRBUF_INIT
, STRBUF_INIT
367 const char *name
= fsck_get_object_name(options
, oid
);
370 b
= (b
+ 1) % ARRAY_SIZE(bufs
);
372 strbuf_addstr(buf
, oid_to_hex(oid
));
374 strbuf_addf(buf
, " (%s)", name
);
379 static int fsck_walk_tree(struct tree
*tree
, void *data
, struct fsck_options
*options
)
381 struct tree_desc desc
;
382 struct name_entry entry
;
386 if (parse_tree(tree
))
389 name
= fsck_get_object_name(options
, &tree
->object
.oid
);
390 if (init_tree_desc_gently(&desc
, tree
->buffer
, tree
->size
))
392 while (tree_entry_gently(&desc
, &entry
)) {
396 if (S_ISGITLINK(entry
.mode
))
399 if (S_ISDIR(entry
.mode
)) {
400 obj
= (struct object
*)lookup_tree(the_repository
, &entry
.oid
);
402 fsck_put_object_name(options
, &entry
.oid
, "%s%s/",
404 result
= options
->walk(obj
, OBJ_TREE
, data
, options
);
406 else if (S_ISREG(entry
.mode
) || S_ISLNK(entry
.mode
)) {
407 obj
= (struct object
*)lookup_blob(the_repository
, &entry
.oid
);
409 fsck_put_object_name(options
, &entry
.oid
, "%s%s",
411 result
= options
->walk(obj
, OBJ_BLOB
, data
, options
);
414 result
= error("in tree %s: entry %s has bad mode %.6o",
415 fsck_describe_object(options
, &tree
->object
.oid
),
416 entry
.path
, entry
.mode
);
426 static int fsck_walk_commit(struct commit
*commit
, void *data
, struct fsck_options
*options
)
428 int counter
= 0, generation
= 0, name_prefix_len
= 0;
429 struct commit_list
*parents
;
434 if (parse_commit(commit
))
437 name
= fsck_get_object_name(options
, &commit
->object
.oid
);
439 fsck_put_object_name(options
, get_commit_tree_oid(commit
),
442 result
= options
->walk((struct object
*)get_commit_tree(commit
),
443 OBJ_TREE
, data
, options
);
448 parents
= commit
->parents
;
449 if (name
&& parents
) {
450 int len
= strlen(name
), power
;
452 if (len
&& name
[len
- 1] == '^') {
454 name_prefix_len
= len
- 1;
456 else { /* parse ~<generation> suffix */
457 for (generation
= 0, power
= 1;
458 len
&& isdigit(name
[len
- 1]);
460 generation
+= power
* (name
[--len
] - '0');
461 if (power
> 1 && len
&& name
[len
- 1] == '~')
462 name_prefix_len
= len
- 1;
468 struct object_id
*oid
= &parents
->item
->object
.oid
;
471 fsck_put_object_name(options
, oid
, "%s^%d",
473 else if (generation
> 0)
474 fsck_put_object_name(options
, oid
, "%.*s~%d",
475 name_prefix_len
, name
,
478 fsck_put_object_name(options
, oid
, "%s^", name
);
480 result
= options
->walk((struct object
*)parents
->item
, OBJ_COMMIT
, data
, options
);
485 parents
= parents
->next
;
490 static int fsck_walk_tag(struct tag
*tag
, void *data
, struct fsck_options
*options
)
492 const char *name
= fsck_get_object_name(options
, &tag
->object
.oid
);
497 fsck_put_object_name(options
, &tag
->tagged
->oid
, "%s", name
);
498 return options
->walk(tag
->tagged
, OBJ_ANY
, data
, options
);
501 int fsck_walk(struct object
*obj
, void *data
, struct fsck_options
*options
)
506 if (obj
->type
== OBJ_NONE
)
507 parse_object(the_repository
, &obj
->oid
);
513 return fsck_walk_tree((struct tree
*)obj
, data
, options
);
515 return fsck_walk_commit((struct commit
*)obj
, data
, options
);
517 return fsck_walk_tag((struct tag
*)obj
, data
, options
);
519 error("Unknown object type for %s",
520 fsck_describe_object(options
, &obj
->oid
));
526 * The entries in a tree are ordered in the _path_ order,
527 * which means that a directory entry is ordered by adding
528 * a slash to the end of it.
530 * So a directory called "a" is ordered _after_ a file
531 * called "a.c", because "a/" sorts after "a.c".
533 #define TREE_UNORDERED (-1)
534 #define TREE_HAS_DUPS (-2)
536 static int verify_ordered(unsigned mode1
, const char *name1
, unsigned mode2
, const char *name2
)
538 int len1
= strlen(name1
);
539 int len2
= strlen(name2
);
540 int len
= len1
< len2
? len1
: len2
;
541 unsigned char c1
, c2
;
544 cmp
= memcmp(name1
, name2
, len
);
548 return TREE_UNORDERED
;
551 * Ok, the first <len> characters are the same.
552 * Now we need to order the next one, but turn
553 * a '\0' into a '/' for a directory entry.
559 * git-write-tree used to write out a nonsense tree that has
560 * entries with the same name, one blob and one tree. Make
561 * sure we do not have duplicate entries.
563 return TREE_HAS_DUPS
;
564 if (!c1
&& S_ISDIR(mode1
))
566 if (!c2
&& S_ISDIR(mode2
))
568 return c1
< c2
? 0 : TREE_UNORDERED
;
571 static int fsck_tree(const struct object_id
*oid
,
572 const char *buffer
, unsigned long size
,
573 struct fsck_options
*options
)
576 int has_null_sha1
= 0;
577 int has_full_path
= 0;
578 int has_empty_name
= 0;
582 int has_zero_pad
= 0;
583 int has_bad_modes
= 0;
584 int has_dup_entries
= 0;
585 int not_properly_sorted
= 0;
586 struct tree_desc desc
;
590 if (init_tree_desc_gently(&desc
, buffer
, size
)) {
591 retval
+= report(options
, oid
, OBJ_TREE
, FSCK_MSG_BAD_TREE
, "cannot be parsed as a tree");
600 const char *name
, *backslash
;
601 const struct object_id
*oid
;
603 oid
= tree_entry_extract(&desc
, &name
, &mode
);
605 has_null_sha1
|= is_null_oid(oid
);
606 has_full_path
|= !!strchr(name
, '/');
607 has_empty_name
|= !*name
;
608 has_dot
|= !strcmp(name
, ".");
609 has_dotdot
|= !strcmp(name
, "..");
610 has_dotgit
|= is_hfs_dotgit(name
) || is_ntfs_dotgit(name
);
611 has_zero_pad
|= *(char *)desc
.buffer
== '0';
613 if (is_hfs_dotgitmodules(name
) || is_ntfs_dotgitmodules(name
)) {
615 oidset_insert(&gitmodules_found
, oid
);
617 retval
+= report(options
,
619 FSCK_MSG_GITMODULES_SYMLINK
,
620 ".gitmodules is a symbolic link");
623 if ((backslash
= strchr(name
, '\\'))) {
626 has_dotgit
|= is_ntfs_dotgit(backslash
);
627 if (is_ntfs_dotgitmodules(backslash
)) {
629 oidset_insert(&gitmodules_found
, oid
);
631 retval
+= report(options
, oid
, OBJ_TREE
,
632 FSCK_MSG_GITMODULES_SYMLINK
,
633 ".gitmodules is a symbolic link");
635 backslash
= strchr(backslash
, '\\');
639 if (update_tree_entry_gently(&desc
)) {
640 retval
+= report(options
, oid
, OBJ_TREE
, FSCK_MSG_BAD_TREE
, "cannot be parsed as a tree");
655 * This is nonstandard, but we had a few of these
656 * early on when we honored the full set of mode
660 if (!options
->strict
)
668 switch (verify_ordered(o_mode
, o_name
, mode
, name
)) {
670 not_properly_sorted
= 1;
685 retval
+= report(options
, oid
, OBJ_TREE
, FSCK_MSG_NULL_SHA1
, "contains entries pointing to null sha1");
687 retval
+= report(options
, oid
, OBJ_TREE
, FSCK_MSG_FULL_PATHNAME
, "contains full pathnames");
689 retval
+= report(options
, oid
, OBJ_TREE
, FSCK_MSG_EMPTY_NAME
, "contains empty pathname");
691 retval
+= report(options
, oid
, OBJ_TREE
, FSCK_MSG_HAS_DOT
, "contains '.'");
693 retval
+= report(options
, oid
, OBJ_TREE
, FSCK_MSG_HAS_DOTDOT
, "contains '..'");
695 retval
+= report(options
, oid
, OBJ_TREE
, FSCK_MSG_HAS_DOTGIT
, "contains '.git'");
697 retval
+= report(options
, oid
, OBJ_TREE
, FSCK_MSG_ZERO_PADDED_FILEMODE
, "contains zero-padded file modes");
699 retval
+= report(options
, oid
, OBJ_TREE
, FSCK_MSG_BAD_FILEMODE
, "contains bad file modes");
701 retval
+= report(options
, oid
, OBJ_TREE
, FSCK_MSG_DUPLICATE_ENTRIES
, "contains duplicate file entries");
702 if (not_properly_sorted
)
703 retval
+= report(options
, oid
, OBJ_TREE
, FSCK_MSG_TREE_NOT_SORTED
, "not properly sorted");
707 static int verify_headers(const void *data
, unsigned long size
,
708 const struct object_id
*oid
, enum object_type type
,
709 struct fsck_options
*options
)
711 const char *buffer
= (const char *)data
;
714 for (i
= 0; i
< size
; i
++) {
717 return report(options
, oid
, type
,
718 FSCK_MSG_NUL_IN_HEADER
,
719 "unterminated header: NUL at offset %ld", i
);
721 if (i
+ 1 < size
&& buffer
[i
+ 1] == '\n')
727 * We did not find double-LF that separates the header
728 * and the body. Not having a body is not a crime but
729 * we do want to see the terminating LF for the last header
732 if (size
&& buffer
[size
- 1] == '\n')
735 return report(options
, oid
, type
,
736 FSCK_MSG_UNTERMINATED_HEADER
, "unterminated header");
739 static int fsck_ident(const char **ident
,
740 const struct object_id
*oid
, enum object_type type
,
741 struct fsck_options
*options
)
743 const char *p
= *ident
;
746 *ident
= strchrnul(*ident
, '\n');
751 return report(options
, oid
, type
, FSCK_MSG_MISSING_NAME_BEFORE_EMAIL
, "invalid author/committer line - missing space before email");
752 p
+= strcspn(p
, "<>\n");
754 return report(options
, oid
, type
, FSCK_MSG_BAD_NAME
, "invalid author/committer line - bad name");
756 return report(options
, oid
, type
, FSCK_MSG_MISSING_EMAIL
, "invalid author/committer line - missing email");
758 return report(options
, oid
, type
, FSCK_MSG_MISSING_SPACE_BEFORE_EMAIL
, "invalid author/committer line - missing space before email");
760 p
+= strcspn(p
, "<>\n");
762 return report(options
, oid
, type
, FSCK_MSG_BAD_EMAIL
, "invalid author/committer line - bad email");
765 return report(options
, oid
, type
, FSCK_MSG_MISSING_SPACE_BEFORE_DATE
, "invalid author/committer line - missing space before date");
767 if (*p
== '0' && p
[1] != ' ')
768 return report(options
, oid
, type
, FSCK_MSG_ZERO_PADDED_DATE
, "invalid author/committer line - zero-padded date");
769 if (date_overflows(parse_timestamp(p
, &end
, 10)))
770 return report(options
, oid
, type
, FSCK_MSG_BAD_DATE_OVERFLOW
, "invalid author/committer line - date causes integer overflow");
771 if ((end
== p
|| *end
!= ' '))
772 return report(options
, oid
, type
, FSCK_MSG_BAD_DATE
, "invalid author/committer line - bad date");
774 if ((*p
!= '+' && *p
!= '-') ||
780 return report(options
, oid
, type
, FSCK_MSG_BAD_TIMEZONE
, "invalid author/committer line - bad time zone");
785 static int fsck_commit(const struct object_id
*oid
,
786 const char *buffer
, unsigned long size
,
787 struct fsck_options
*options
)
789 struct object_id tree_oid
, parent_oid
;
790 unsigned author_count
;
792 const char *buffer_begin
= buffer
;
795 if (verify_headers(buffer
, size
, oid
, OBJ_COMMIT
, options
))
798 if (!skip_prefix(buffer
, "tree ", &buffer
))
799 return report(options
, oid
, OBJ_COMMIT
, FSCK_MSG_MISSING_TREE
, "invalid format - expected 'tree' line");
800 if (parse_oid_hex(buffer
, &tree_oid
, &p
) || *p
!= '\n') {
801 err
= report(options
, oid
, OBJ_COMMIT
, FSCK_MSG_BAD_TREE_SHA1
, "invalid 'tree' line format - bad sha1");
806 while (skip_prefix(buffer
, "parent ", &buffer
)) {
807 if (parse_oid_hex(buffer
, &parent_oid
, &p
) || *p
!= '\n') {
808 err
= report(options
, oid
, OBJ_COMMIT
, FSCK_MSG_BAD_PARENT_SHA1
, "invalid 'parent' line format - bad sha1");
815 while (skip_prefix(buffer
, "author ", &buffer
)) {
817 err
= fsck_ident(&buffer
, oid
, OBJ_COMMIT
, options
);
821 if (author_count
< 1)
822 err
= report(options
, oid
, OBJ_COMMIT
, FSCK_MSG_MISSING_AUTHOR
, "invalid format - expected 'author' line");
823 else if (author_count
> 1)
824 err
= report(options
, oid
, OBJ_COMMIT
, FSCK_MSG_MULTIPLE_AUTHORS
, "invalid format - multiple 'author' lines");
827 if (!skip_prefix(buffer
, "committer ", &buffer
))
828 return report(options
, oid
, OBJ_COMMIT
, FSCK_MSG_MISSING_COMMITTER
, "invalid format - expected 'committer' line");
829 err
= fsck_ident(&buffer
, oid
, OBJ_COMMIT
, options
);
832 if (memchr(buffer_begin
, '\0', size
)) {
833 err
= report(options
, oid
, OBJ_COMMIT
, FSCK_MSG_NUL_IN_COMMIT
,
834 "NUL byte in the commit object body");
841 static int fsck_tag(const struct object_id
*oid
, const char *buffer
,
842 unsigned long size
, struct fsck_options
*options
)
844 struct object_id tagged_oid
;
847 struct strbuf sb
= STRBUF_INIT
;
850 ret
= verify_headers(buffer
, size
, oid
, OBJ_TAG
, options
);
854 if (!skip_prefix(buffer
, "object ", &buffer
)) {
855 ret
= report(options
, oid
, OBJ_TAG
, FSCK_MSG_MISSING_OBJECT
, "invalid format - expected 'object' line");
858 if (parse_oid_hex(buffer
, &tagged_oid
, &p
) || *p
!= '\n') {
859 ret
= report(options
, oid
, OBJ_TAG
, FSCK_MSG_BAD_OBJECT_SHA1
, "invalid 'object' line format - bad sha1");
865 if (!skip_prefix(buffer
, "type ", &buffer
)) {
866 ret
= report(options
, oid
, OBJ_TAG
, FSCK_MSG_MISSING_TYPE_ENTRY
, "invalid format - expected 'type' line");
869 eol
= strchr(buffer
, '\n');
871 ret
= report(options
, oid
, OBJ_TAG
, FSCK_MSG_MISSING_TYPE
, "invalid format - unexpected end after 'type' line");
874 if (type_from_string_gently(buffer
, eol
- buffer
, 1) < 0)
875 ret
= report(options
, oid
, OBJ_TAG
, FSCK_MSG_BAD_TYPE
, "invalid 'type' value");
880 if (!skip_prefix(buffer
, "tag ", &buffer
)) {
881 ret
= report(options
, oid
, OBJ_TAG
, FSCK_MSG_MISSING_TAG_ENTRY
, "invalid format - expected 'tag' line");
884 eol
= strchr(buffer
, '\n');
886 ret
= report(options
, oid
, OBJ_TAG
, FSCK_MSG_MISSING_TAG
, "invalid format - unexpected end after 'type' line");
889 strbuf_addf(&sb
, "refs/tags/%.*s", (int)(eol
- buffer
), buffer
);
890 if (check_refname_format(sb
.buf
, 0)) {
891 ret
= report(options
, oid
, OBJ_TAG
,
892 FSCK_MSG_BAD_TAG_NAME
,
893 "invalid 'tag' name: %.*s",
894 (int)(eol
- buffer
), buffer
);
900 if (!skip_prefix(buffer
, "tagger ", &buffer
)) {
901 /* early tags do not contain 'tagger' lines; warn only */
902 ret
= report(options
, oid
, OBJ_TAG
, FSCK_MSG_MISSING_TAGGER_ENTRY
, "invalid format - expected 'tagger' line");
907 ret
= fsck_ident(&buffer
, oid
, OBJ_TAG
, options
);
914 static int check_submodule_url(const char *url
)
916 struct credential c
= CREDENTIAL_INIT
;
919 if (looks_like_command_line_option(url
))
922 ret
= credential_from_url_gently(&c
, url
, 1);
923 credential_clear(&c
);
927 struct fsck_gitmodules_data
{
928 const struct object_id
*oid
;
929 struct fsck_options
*options
;
933 static int fsck_gitmodules_fn(const char *var
, const char *value
, void *vdata
)
935 struct fsck_gitmodules_data
*data
= vdata
;
936 const char *subsection
, *key
;
940 if (parse_config_key(var
, "submodule", &subsection
, &subsection_len
, &key
) < 0 ||
944 name
= xmemdupz(subsection
, subsection_len
);
945 if (check_submodule_name(name
) < 0)
946 data
->ret
|= report(data
->options
,
948 FSCK_MSG_GITMODULES_NAME
,
949 "disallowed submodule name: %s",
951 if (!strcmp(key
, "url") && value
&&
952 check_submodule_url(value
) < 0)
953 data
->ret
|= report(data
->options
,
955 FSCK_MSG_GITMODULES_URL
,
956 "disallowed submodule url: %s",
958 if (!strcmp(key
, "path") && value
&&
959 looks_like_command_line_option(value
))
960 data
->ret
|= report(data
->options
,
962 FSCK_MSG_GITMODULES_PATH
,
963 "disallowed submodule path: %s",
965 if (!strcmp(key
, "update") && value
&&
966 parse_submodule_update_type(value
) == SM_UPDATE_COMMAND
)
967 data
->ret
|= report(data
->options
, data
->oid
, OBJ_BLOB
,
968 FSCK_MSG_GITMODULES_UPDATE
,
969 "disallowed submodule update setting: %s",
976 static int fsck_blob(const struct object_id
*oid
, const char *buf
,
977 unsigned long size
, struct fsck_options
*options
)
979 struct fsck_gitmodules_data data
;
980 struct config_options config_opts
= { 0 };
982 if (!oidset_contains(&gitmodules_found
, oid
))
984 oidset_insert(&gitmodules_done
, oid
);
986 if (object_on_skiplist(options
, oid
))
991 * A missing buffer here is a sign that the caller found the
992 * blob too gigantic to load into memory. Let's just consider
995 return report(options
, oid
, OBJ_BLOB
,
996 FSCK_MSG_GITMODULES_LARGE
,
997 ".gitmodules too large to parse");
1001 data
.options
= options
;
1003 config_opts
.error_action
= CONFIG_ERROR_SILENT
;
1004 if (git_config_from_mem(fsck_gitmodules_fn
, CONFIG_ORIGIN_BLOB
,
1005 ".gitmodules", buf
, size
, &data
, &config_opts
))
1006 data
.ret
|= report(options
, oid
, OBJ_BLOB
,
1007 FSCK_MSG_GITMODULES_PARSE
,
1008 "could not parse gitmodules blob");
1013 int fsck_object(struct object
*obj
, void *data
, unsigned long size
,
1014 struct fsck_options
*options
)
1017 return report(options
, NULL
, OBJ_NONE
, FSCK_MSG_BAD_OBJECT_SHA1
, "no valid object to fsck");
1019 if (obj
->type
== OBJ_BLOB
)
1020 return fsck_blob(&obj
->oid
, data
, size
, options
);
1021 if (obj
->type
== OBJ_TREE
)
1022 return fsck_tree(&obj
->oid
, data
, size
, options
);
1023 if (obj
->type
== OBJ_COMMIT
)
1024 return fsck_commit(&obj
->oid
, data
, size
, options
);
1025 if (obj
->type
== OBJ_TAG
)
1026 return fsck_tag(&obj
->oid
, data
, size
, options
);
1028 return report(options
, &obj
->oid
, obj
->type
,
1029 FSCK_MSG_UNKNOWN_TYPE
,
1030 "unknown type '%d' (internal fsck error)",
1034 int fsck_error_function(struct fsck_options
*o
,
1035 const struct object_id
*oid
,
1036 enum object_type object_type
,
1037 int msg_type
, const char *message
)
1039 if (msg_type
== FSCK_WARN
) {
1040 warning("object %s: %s", fsck_describe_object(o
, oid
), message
);
1043 error("object %s: %s", fsck_describe_object(o
, oid
), message
);
1047 int fsck_finish(struct fsck_options
*options
)
1050 struct oidset_iter iter
;
1051 const struct object_id
*oid
;
1053 oidset_iter_init(&gitmodules_found
, &iter
);
1054 while ((oid
= oidset_iter_next(&iter
))) {
1055 enum object_type type
;
1059 if (oidset_contains(&gitmodules_done
, oid
))
1062 buf
= read_object_file(oid
, &type
, &size
);
1064 if (is_promisor_object(oid
))
1066 ret
|= report(options
,
1068 FSCK_MSG_GITMODULES_MISSING
,
1069 "unable to read .gitmodules blob");
1073 if (type
== OBJ_BLOB
)
1074 ret
|= fsck_blob(oid
, buf
, size
, options
);
1076 ret
|= report(options
,
1078 FSCK_MSG_GITMODULES_BLOB
,
1079 "non-blob found at .gitmodules");
1084 oidset_clear(&gitmodules_found
);
1085 oidset_clear(&gitmodules_done
);