2 #include "object-store.h"
3 #include "repository.h"
16 #include "submodule-config.h"
20 static struct oidset gitmodules_found
= OIDSET_INIT
;
21 static struct oidset gitmodules_done
= OIDSET_INIT
;
26 #define FOREACH_MSG_ID(FUNC) \
28 FUNC(NUL_IN_HEADER, FATAL) \
29 FUNC(UNTERMINATED_HEADER, FATAL) \
31 FUNC(BAD_DATE, ERROR) \
32 FUNC(BAD_DATE_OVERFLOW, ERROR) \
33 FUNC(BAD_EMAIL, ERROR) \
34 FUNC(BAD_NAME, ERROR) \
35 FUNC(BAD_OBJECT_SHA1, ERROR) \
36 FUNC(BAD_PARENT_SHA1, ERROR) \
37 FUNC(BAD_TAG_OBJECT, ERROR) \
38 FUNC(BAD_TIMEZONE, ERROR) \
39 FUNC(BAD_TREE, ERROR) \
40 FUNC(BAD_TREE_SHA1, ERROR) \
41 FUNC(BAD_TYPE, ERROR) \
42 FUNC(DUPLICATE_ENTRIES, ERROR) \
43 FUNC(MISSING_AUTHOR, ERROR) \
44 FUNC(MISSING_COMMITTER, ERROR) \
45 FUNC(MISSING_EMAIL, ERROR) \
46 FUNC(MISSING_NAME_BEFORE_EMAIL, ERROR) \
47 FUNC(MISSING_OBJECT, ERROR) \
48 FUNC(MISSING_SPACE_BEFORE_DATE, ERROR) \
49 FUNC(MISSING_SPACE_BEFORE_EMAIL, ERROR) \
50 FUNC(MISSING_TAG, ERROR) \
51 FUNC(MISSING_TAG_ENTRY, ERROR) \
52 FUNC(MISSING_TREE, ERROR) \
53 FUNC(MISSING_TREE_OBJECT, ERROR) \
54 FUNC(MISSING_TYPE, ERROR) \
55 FUNC(MISSING_TYPE_ENTRY, ERROR) \
56 FUNC(MULTIPLE_AUTHORS, ERROR) \
57 FUNC(TREE_NOT_SORTED, ERROR) \
58 FUNC(UNKNOWN_TYPE, ERROR) \
59 FUNC(ZERO_PADDED_DATE, ERROR) \
60 FUNC(GITMODULES_MISSING, ERROR) \
61 FUNC(GITMODULES_BLOB, ERROR) \
62 FUNC(GITMODULES_LARGE, ERROR) \
63 FUNC(GITMODULES_NAME, ERROR) \
64 FUNC(GITMODULES_SYMLINK, ERROR) \
65 FUNC(GITMODULES_URL, ERROR) \
66 FUNC(GITMODULES_PATH, ERROR) \
68 FUNC(BAD_FILEMODE, WARN) \
69 FUNC(EMPTY_NAME, WARN) \
70 FUNC(FULL_PATHNAME, WARN) \
72 FUNC(HAS_DOTDOT, WARN) \
73 FUNC(HAS_DOTGIT, WARN) \
74 FUNC(NULL_SHA1, WARN) \
75 FUNC(ZERO_PADDED_FILEMODE, WARN) \
76 FUNC(NUL_IN_COMMIT, WARN) \
77 /* infos (reported as warnings, but ignored by default) */ \
78 FUNC(GITMODULES_PARSE, INFO) \
79 FUNC(BAD_TAG_NAME, INFO) \
80 FUNC(MISSING_TAGGER_ENTRY, INFO)
82 #define MSG_ID(id, msg_type) FSCK_MSG_##id,
84 FOREACH_MSG_ID(MSG_ID
)
90 #define MSG_ID(id, msg_type) { STR(id), NULL, NULL, FSCK_##msg_type },
92 const char *id_string
;
93 const char *downcased
;
94 const char *camelcased
;
96 } msg_id_info
[FSCK_MSG_MAX
+ 1] = {
97 FOREACH_MSG_ID(MSG_ID
)
98 { NULL
, NULL
, NULL
, -1 }
102 static void prepare_msg_ids(void)
106 if (msg_id_info
[0].downcased
)
109 /* convert id_string to lower case, without underscores. */
110 for (i
= 0; i
< FSCK_MSG_MAX
; i
++) {
111 const char *p
= msg_id_info
[i
].id_string
;
113 char *q
= xmalloc(len
);
115 msg_id_info
[i
].downcased
= q
;
120 *(q
)++ = tolower(*(p
)++);
123 p
= msg_id_info
[i
].id_string
;
125 msg_id_info
[i
].camelcased
= q
;
132 *q
++ = tolower(*p
++);
139 static int parse_msg_id(const char *text
)
145 for (i
= 0; i
< FSCK_MSG_MAX
; i
++)
146 if (!strcmp(text
, msg_id_info
[i
].downcased
))
152 void list_config_fsck_msg_ids(struct string_list
*list
, const char *prefix
)
158 for (i
= 0; i
< FSCK_MSG_MAX
; i
++)
159 list_config_item(list
, prefix
, msg_id_info
[i
].camelcased
);
162 static int fsck_msg_type(enum fsck_msg_id msg_id
,
163 struct fsck_options
*options
)
167 assert(msg_id
>= 0 && msg_id
< FSCK_MSG_MAX
);
169 if (options
->msg_type
)
170 msg_type
= options
->msg_type
[msg_id
];
172 msg_type
= msg_id_info
[msg_id
].msg_type
;
173 if (options
->strict
&& msg_type
== FSCK_WARN
)
174 msg_type
= FSCK_ERROR
;
180 static int parse_msg_type(const char *str
)
182 if (!strcmp(str
, "error"))
184 else if (!strcmp(str
, "warn"))
186 else if (!strcmp(str
, "ignore"))
189 die("Unknown fsck message type: '%s'", str
);
192 int is_valid_msg_type(const char *msg_id
, const char *msg_type
)
194 if (parse_msg_id(msg_id
) < 0)
196 parse_msg_type(msg_type
);
200 void fsck_set_msg_type(struct fsck_options
*options
,
201 const char *msg_id
, const char *msg_type
)
203 int id
= parse_msg_id(msg_id
), type
;
206 die("Unhandled message id: %s", msg_id
);
207 type
= parse_msg_type(msg_type
);
209 if (type
!= FSCK_ERROR
&& msg_id_info
[id
].msg_type
== FSCK_FATAL
)
210 die("Cannot demote %s to %s", msg_id
, msg_type
);
212 if (!options
->msg_type
) {
215 ALLOC_ARRAY(msg_type
, FSCK_MSG_MAX
);
216 for (i
= 0; i
< FSCK_MSG_MAX
; i
++)
217 msg_type
[i
] = fsck_msg_type(i
, options
);
218 options
->msg_type
= msg_type
;
221 options
->msg_type
[id
] = type
;
224 void fsck_set_msg_types(struct fsck_options
*options
, const char *values
)
226 char *buf
= xstrdup(values
), *to_free
= buf
;
230 int len
= strcspn(buf
, " ,|"), equal
;
240 equal
< len
&& buf
[equal
] != '=' && buf
[equal
] != ':';
242 buf
[equal
] = tolower(buf
[equal
]);
245 if (!strcmp(buf
, "skiplist")) {
247 die("skiplist requires a path");
248 oidset_parse_file(&options
->skiplist
, buf
+ equal
+ 1);
254 die("Missing '=': '%s'", buf
);
256 fsck_set_msg_type(options
, buf
, buf
+ equal
+ 1);
262 static void append_msg_id(struct strbuf
*sb
, const char *msg_id
)
265 char c
= *(msg_id
)++;
270 strbuf_addch(sb
, tolower(c
));
273 strbuf_addch(sb
, *(msg_id
)++);
277 strbuf_addstr(sb
, ": ");
280 static int object_on_skiplist(struct fsck_options
*opts
, struct object
*obj
)
282 return opts
&& obj
&& oidset_contains(&opts
->skiplist
, &obj
->oid
);
285 __attribute__((format (printf
, 4, 5)))
286 static int report(struct fsck_options
*options
, struct object
*object
,
287 enum fsck_msg_id id
, const char *fmt
, ...)
290 struct strbuf sb
= STRBUF_INIT
;
291 int msg_type
= fsck_msg_type(id
, options
), result
;
293 if (msg_type
== FSCK_IGNORE
)
296 if (object_on_skiplist(options
, object
))
299 if (msg_type
== FSCK_FATAL
)
300 msg_type
= FSCK_ERROR
;
301 else if (msg_type
== FSCK_INFO
)
302 msg_type
= FSCK_WARN
;
304 append_msg_id(&sb
, msg_id_info
[id
].id_string
);
307 strbuf_vaddf(&sb
, fmt
, ap
);
308 result
= options
->error_func(options
, object
, msg_type
, sb
.buf
);
315 static char *get_object_name(struct fsck_options
*options
, struct object
*obj
)
317 if (!options
->object_names
)
319 return lookup_decoration(options
->object_names
, obj
);
322 static void put_object_name(struct fsck_options
*options
, struct object
*obj
,
323 const char *fmt
, ...)
326 struct strbuf buf
= STRBUF_INIT
;
329 if (!options
->object_names
)
331 existing
= lookup_decoration(options
->object_names
, obj
);
335 strbuf_vaddf(&buf
, fmt
, ap
);
336 add_decoration(options
->object_names
, obj
, strbuf_detach(&buf
, NULL
));
340 static const char *describe_object(struct fsck_options
*o
, struct object
*obj
)
342 static struct strbuf buf
= STRBUF_INIT
;
346 strbuf_addstr(&buf
, oid_to_hex(&obj
->oid
));
347 if (o
->object_names
&& (name
= lookup_decoration(o
->object_names
, obj
)))
348 strbuf_addf(&buf
, " (%s)", name
);
353 static int fsck_walk_tree(struct tree
*tree
, void *data
, struct fsck_options
*options
)
355 struct tree_desc desc
;
356 struct name_entry entry
;
360 if (parse_tree(tree
))
363 name
= get_object_name(options
, &tree
->object
);
364 if (init_tree_desc_gently(&desc
, tree
->buffer
, tree
->size
))
366 while (tree_entry_gently(&desc
, &entry
)) {
370 if (S_ISGITLINK(entry
.mode
))
373 if (S_ISDIR(entry
.mode
)) {
374 obj
= (struct object
*)lookup_tree(the_repository
, &entry
.oid
);
376 put_object_name(options
, obj
, "%s%s/", name
,
378 result
= options
->walk(obj
, OBJ_TREE
, data
, options
);
380 else if (S_ISREG(entry
.mode
) || S_ISLNK(entry
.mode
)) {
381 obj
= (struct object
*)lookup_blob(the_repository
, &entry
.oid
);
383 put_object_name(options
, obj
, "%s%s", name
,
385 result
= options
->walk(obj
, OBJ_BLOB
, data
, options
);
388 result
= error("in tree %s: entry %s has bad mode %.6o",
389 describe_object(options
, &tree
->object
), entry
.path
, entry
.mode
);
399 static int fsck_walk_commit(struct commit
*commit
, void *data
, struct fsck_options
*options
)
401 int counter
= 0, generation
= 0, name_prefix_len
= 0;
402 struct commit_list
*parents
;
407 if (parse_commit(commit
))
410 name
= get_object_name(options
, &commit
->object
);
412 put_object_name(options
, &get_commit_tree(commit
)->object
,
415 result
= options
->walk((struct object
*)get_commit_tree(commit
),
416 OBJ_TREE
, data
, options
);
421 parents
= commit
->parents
;
422 if (name
&& parents
) {
423 int len
= strlen(name
), power
;
425 if (len
&& name
[len
- 1] == '^') {
427 name_prefix_len
= len
- 1;
429 else { /* parse ~<generation> suffix */
430 for (generation
= 0, power
= 1;
431 len
&& isdigit(name
[len
- 1]);
433 generation
+= power
* (name
[--len
] - '0');
434 if (power
> 1 && len
&& name
[len
- 1] == '~')
435 name_prefix_len
= len
- 1;
441 struct object
*obj
= &parents
->item
->object
;
444 put_object_name(options
, obj
, "%s^%d",
446 else if (generation
> 0)
447 put_object_name(options
, obj
, "%.*s~%d",
448 name_prefix_len
, name
, generation
+ 1);
450 put_object_name(options
, obj
, "%s^", name
);
452 result
= options
->walk((struct object
*)parents
->item
, OBJ_COMMIT
, data
, options
);
457 parents
= parents
->next
;
462 static int fsck_walk_tag(struct tag
*tag
, void *data
, struct fsck_options
*options
)
464 char *name
= get_object_name(options
, &tag
->object
);
469 put_object_name(options
, tag
->tagged
, "%s", name
);
470 return options
->walk(tag
->tagged
, OBJ_ANY
, data
, options
);
473 int fsck_walk(struct object
*obj
, void *data
, struct fsck_options
*options
)
478 if (obj
->type
== OBJ_NONE
)
479 parse_object(the_repository
, &obj
->oid
);
485 return fsck_walk_tree((struct tree
*)obj
, data
, options
);
487 return fsck_walk_commit((struct commit
*)obj
, data
, options
);
489 return fsck_walk_tag((struct tag
*)obj
, data
, options
);
491 error("Unknown object type for %s", describe_object(options
, obj
));
497 * The entries in a tree are ordered in the _path_ order,
498 * which means that a directory entry is ordered by adding
499 * a slash to the end of it.
501 * So a directory called "a" is ordered _after_ a file
502 * called "a.c", because "a/" sorts after "a.c".
504 #define TREE_UNORDERED (-1)
505 #define TREE_HAS_DUPS (-2)
507 static int verify_ordered(unsigned mode1
, const char *name1
, unsigned mode2
, const char *name2
)
509 int len1
= strlen(name1
);
510 int len2
= strlen(name2
);
511 int len
= len1
< len2
? len1
: len2
;
512 unsigned char c1
, c2
;
515 cmp
= memcmp(name1
, name2
, len
);
519 return TREE_UNORDERED
;
522 * Ok, the first <len> characters are the same.
523 * Now we need to order the next one, but turn
524 * a '\0' into a '/' for a directory entry.
530 * git-write-tree used to write out a nonsense tree that has
531 * entries with the same name, one blob and one tree. Make
532 * sure we do not have duplicate entries.
534 return TREE_HAS_DUPS
;
535 if (!c1
&& S_ISDIR(mode1
))
537 if (!c2
&& S_ISDIR(mode2
))
539 return c1
< c2
? 0 : TREE_UNORDERED
;
542 static int fsck_tree(struct tree
*item
,
543 const char *buffer
, unsigned long size
,
544 struct fsck_options
*options
)
547 int has_null_sha1
= 0;
548 int has_full_path
= 0;
549 int has_empty_name
= 0;
553 int has_zero_pad
= 0;
554 int has_bad_modes
= 0;
555 int has_dup_entries
= 0;
556 int not_properly_sorted
= 0;
557 struct tree_desc desc
;
561 if (init_tree_desc_gently(&desc
, buffer
, size
)) {
562 retval
+= report(options
, &item
->object
, FSCK_MSG_BAD_TREE
, "cannot be parsed as a tree");
572 const struct object_id
*oid
;
574 oid
= tree_entry_extract(&desc
, &name
, &mode
);
576 has_null_sha1
|= is_null_oid(oid
);
577 has_full_path
|= !!strchr(name
, '/');
578 has_empty_name
|= !*name
;
579 has_dot
|= !strcmp(name
, ".");
580 has_dotdot
|= !strcmp(name
, "..");
581 has_dotgit
|= is_hfs_dotgit(name
) || is_ntfs_dotgit(name
);
582 has_zero_pad
|= *(char *)desc
.buffer
== '0';
584 if (is_hfs_dotgitmodules(name
) || is_ntfs_dotgitmodules(name
)) {
586 oidset_insert(&gitmodules_found
, oid
);
588 retval
+= report(options
, &item
->object
,
589 FSCK_MSG_GITMODULES_SYMLINK
,
590 ".gitmodules is a symbolic link");
593 if (update_tree_entry_gently(&desc
)) {
594 retval
+= report(options
, &item
->object
, FSCK_MSG_BAD_TREE
, "cannot be parsed as a tree");
609 * This is nonstandard, but we had a few of these
610 * early on when we honored the full set of mode
614 if (!options
->strict
)
622 switch (verify_ordered(o_mode
, o_name
, mode
, name
)) {
624 not_properly_sorted
= 1;
639 retval
+= report(options
, &item
->object
, FSCK_MSG_NULL_SHA1
, "contains entries pointing to null sha1");
641 retval
+= report(options
, &item
->object
, FSCK_MSG_FULL_PATHNAME
, "contains full pathnames");
643 retval
+= report(options
, &item
->object
, FSCK_MSG_EMPTY_NAME
, "contains empty pathname");
645 retval
+= report(options
, &item
->object
, FSCK_MSG_HAS_DOT
, "contains '.'");
647 retval
+= report(options
, &item
->object
, FSCK_MSG_HAS_DOTDOT
, "contains '..'");
649 retval
+= report(options
, &item
->object
, FSCK_MSG_HAS_DOTGIT
, "contains '.git'");
651 retval
+= report(options
, &item
->object
, FSCK_MSG_ZERO_PADDED_FILEMODE
, "contains zero-padded file modes");
653 retval
+= report(options
, &item
->object
, FSCK_MSG_BAD_FILEMODE
, "contains bad file modes");
655 retval
+= report(options
, &item
->object
, FSCK_MSG_DUPLICATE_ENTRIES
, "contains duplicate file entries");
656 if (not_properly_sorted
)
657 retval
+= report(options
, &item
->object
, FSCK_MSG_TREE_NOT_SORTED
, "not properly sorted");
661 static int verify_headers(const void *data
, unsigned long size
,
662 struct object
*obj
, struct fsck_options
*options
)
664 const char *buffer
= (const char *)data
;
667 for (i
= 0; i
< size
; i
++) {
670 return report(options
, obj
,
671 FSCK_MSG_NUL_IN_HEADER
,
672 "unterminated header: NUL at offset %ld", i
);
674 if (i
+ 1 < size
&& buffer
[i
+ 1] == '\n')
680 * We did not find double-LF that separates the header
681 * and the body. Not having a body is not a crime but
682 * we do want to see the terminating LF for the last header
685 if (size
&& buffer
[size
- 1] == '\n')
688 return report(options
, obj
,
689 FSCK_MSG_UNTERMINATED_HEADER
, "unterminated header");
692 static int fsck_ident(const char **ident
, struct object
*obj
, struct fsck_options
*options
)
694 const char *p
= *ident
;
697 *ident
= strchrnul(*ident
, '\n');
702 return report(options
, obj
, FSCK_MSG_MISSING_NAME_BEFORE_EMAIL
, "invalid author/committer line - missing space before email");
703 p
+= strcspn(p
, "<>\n");
705 return report(options
, obj
, FSCK_MSG_BAD_NAME
, "invalid author/committer line - bad name");
707 return report(options
, obj
, FSCK_MSG_MISSING_EMAIL
, "invalid author/committer line - missing email");
709 return report(options
, obj
, FSCK_MSG_MISSING_SPACE_BEFORE_EMAIL
, "invalid author/committer line - missing space before email");
711 p
+= strcspn(p
, "<>\n");
713 return report(options
, obj
, FSCK_MSG_BAD_EMAIL
, "invalid author/committer line - bad email");
716 return report(options
, obj
, FSCK_MSG_MISSING_SPACE_BEFORE_DATE
, "invalid author/committer line - missing space before date");
718 if (*p
== '0' && p
[1] != ' ')
719 return report(options
, obj
, FSCK_MSG_ZERO_PADDED_DATE
, "invalid author/committer line - zero-padded date");
720 if (date_overflows(parse_timestamp(p
, &end
, 10)))
721 return report(options
, obj
, FSCK_MSG_BAD_DATE_OVERFLOW
, "invalid author/committer line - date causes integer overflow");
722 if ((end
== p
|| *end
!= ' '))
723 return report(options
, obj
, FSCK_MSG_BAD_DATE
, "invalid author/committer line - bad date");
725 if ((*p
!= '+' && *p
!= '-') ||
731 return report(options
, obj
, FSCK_MSG_BAD_TIMEZONE
, "invalid author/committer line - bad time zone");
736 static int fsck_commit(struct commit
*commit
, const char *buffer
,
737 unsigned long size
, struct fsck_options
*options
)
739 struct object_id tree_oid
, oid
;
740 unsigned author_count
;
742 const char *buffer_begin
= buffer
;
745 if (verify_headers(buffer
, size
, &commit
->object
, options
))
748 if (!skip_prefix(buffer
, "tree ", &buffer
))
749 return report(options
, &commit
->object
, FSCK_MSG_MISSING_TREE
, "invalid format - expected 'tree' line");
750 if (parse_oid_hex(buffer
, &tree_oid
, &p
) || *p
!= '\n') {
751 err
= report(options
, &commit
->object
, FSCK_MSG_BAD_TREE_SHA1
, "invalid 'tree' line format - bad sha1");
756 while (skip_prefix(buffer
, "parent ", &buffer
)) {
757 if (parse_oid_hex(buffer
, &oid
, &p
) || *p
!= '\n') {
758 err
= report(options
, &commit
->object
, FSCK_MSG_BAD_PARENT_SHA1
, "invalid 'parent' line format - bad sha1");
765 while (skip_prefix(buffer
, "author ", &buffer
)) {
767 err
= fsck_ident(&buffer
, &commit
->object
, options
);
771 if (author_count
< 1)
772 err
= report(options
, &commit
->object
, FSCK_MSG_MISSING_AUTHOR
, "invalid format - expected 'author' line");
773 else if (author_count
> 1)
774 err
= report(options
, &commit
->object
, FSCK_MSG_MULTIPLE_AUTHORS
, "invalid format - multiple 'author' lines");
777 if (!skip_prefix(buffer
, "committer ", &buffer
))
778 return report(options
, &commit
->object
, FSCK_MSG_MISSING_COMMITTER
, "invalid format - expected 'committer' line");
779 err
= fsck_ident(&buffer
, &commit
->object
, options
);
782 if (memchr(buffer_begin
, '\0', size
)) {
783 err
= report(options
, &commit
->object
, FSCK_MSG_NUL_IN_COMMIT
,
784 "NUL byte in the commit object body");
791 static int fsck_tag(struct tag
*tag
, const char *buffer
,
792 unsigned long size
, struct fsck_options
*options
)
794 struct object_id oid
;
797 struct strbuf sb
= STRBUF_INIT
;
800 ret
= verify_headers(buffer
, size
, &tag
->object
, options
);
804 if (!skip_prefix(buffer
, "object ", &buffer
)) {
805 ret
= report(options
, &tag
->object
, FSCK_MSG_MISSING_OBJECT
, "invalid format - expected 'object' line");
808 if (parse_oid_hex(buffer
, &oid
, &p
) || *p
!= '\n') {
809 ret
= report(options
, &tag
->object
, FSCK_MSG_BAD_OBJECT_SHA1
, "invalid 'object' line format - bad sha1");
815 if (!skip_prefix(buffer
, "type ", &buffer
)) {
816 ret
= report(options
, &tag
->object
, FSCK_MSG_MISSING_TYPE_ENTRY
, "invalid format - expected 'type' line");
819 eol
= strchr(buffer
, '\n');
821 ret
= report(options
, &tag
->object
, FSCK_MSG_MISSING_TYPE
, "invalid format - unexpected end after 'type' line");
824 if (type_from_string_gently(buffer
, eol
- buffer
, 1) < 0)
825 ret
= report(options
, &tag
->object
, FSCK_MSG_BAD_TYPE
, "invalid 'type' value");
830 if (!skip_prefix(buffer
, "tag ", &buffer
)) {
831 ret
= report(options
, &tag
->object
, FSCK_MSG_MISSING_TAG_ENTRY
, "invalid format - expected 'tag' line");
834 eol
= strchr(buffer
, '\n');
836 ret
= report(options
, &tag
->object
, FSCK_MSG_MISSING_TAG
, "invalid format - unexpected end after 'type' line");
839 strbuf_addf(&sb
, "refs/tags/%.*s", (int)(eol
- buffer
), buffer
);
840 if (check_refname_format(sb
.buf
, 0)) {
841 ret
= report(options
, &tag
->object
, FSCK_MSG_BAD_TAG_NAME
,
842 "invalid 'tag' name: %.*s",
843 (int)(eol
- buffer
), buffer
);
849 if (!skip_prefix(buffer
, "tagger ", &buffer
)) {
850 /* early tags do not contain 'tagger' lines; warn only */
851 ret
= report(options
, &tag
->object
, FSCK_MSG_MISSING_TAGGER_ENTRY
, "invalid format - expected 'tagger' line");
856 ret
= fsck_ident(&buffer
, &tag
->object
, options
);
863 struct fsck_gitmodules_data
{
865 struct fsck_options
*options
;
869 static int fsck_gitmodules_fn(const char *var
, const char *value
, void *vdata
)
871 struct fsck_gitmodules_data
*data
= vdata
;
872 const char *subsection
, *key
;
876 if (parse_config_key(var
, "submodule", &subsection
, &subsection_len
, &key
) < 0 ||
880 name
= xmemdupz(subsection
, subsection_len
);
881 if (check_submodule_name(name
) < 0)
882 data
->ret
|= report(data
->options
, data
->obj
,
883 FSCK_MSG_GITMODULES_NAME
,
884 "disallowed submodule name: %s",
886 if (!strcmp(key
, "url") && value
&&
887 looks_like_command_line_option(value
))
888 data
->ret
|= report(data
->options
, data
->obj
,
889 FSCK_MSG_GITMODULES_URL
,
890 "disallowed submodule url: %s",
892 if (!strcmp(key
, "path") && value
&&
893 looks_like_command_line_option(value
))
894 data
->ret
|= report(data
->options
, data
->obj
,
895 FSCK_MSG_GITMODULES_PATH
,
896 "disallowed submodule path: %s",
903 static int fsck_blob(struct blob
*blob
, const char *buf
,
904 unsigned long size
, struct fsck_options
*options
)
906 struct fsck_gitmodules_data data
;
907 struct config_options config_opts
= { 0 };
909 if (!oidset_contains(&gitmodules_found
, &blob
->object
.oid
))
911 oidset_insert(&gitmodules_done
, &blob
->object
.oid
);
913 if (object_on_skiplist(options
, &blob
->object
))
918 * A missing buffer here is a sign that the caller found the
919 * blob too gigantic to load into memory. Let's just consider
922 return report(options
, &blob
->object
,
923 FSCK_MSG_GITMODULES_LARGE
,
924 ".gitmodules too large to parse");
927 data
.obj
= &blob
->object
;
928 data
.options
= options
;
930 config_opts
.error_action
= CONFIG_ERROR_SILENT
;
931 if (git_config_from_mem(fsck_gitmodules_fn
, CONFIG_ORIGIN_BLOB
,
932 ".gitmodules", buf
, size
, &data
, &config_opts
))
933 data
.ret
|= report(options
, &blob
->object
,
934 FSCK_MSG_GITMODULES_PARSE
,
935 "could not parse gitmodules blob");
940 int fsck_object(struct object
*obj
, void *data
, unsigned long size
,
941 struct fsck_options
*options
)
944 return report(options
, obj
, FSCK_MSG_BAD_OBJECT_SHA1
, "no valid object to fsck");
946 if (obj
->type
== OBJ_BLOB
)
947 return fsck_blob((struct blob
*)obj
, data
, size
, options
);
948 if (obj
->type
== OBJ_TREE
)
949 return fsck_tree((struct tree
*) obj
, data
, size
, options
);
950 if (obj
->type
== OBJ_COMMIT
)
951 return fsck_commit((struct commit
*) obj
, (const char *) data
,
953 if (obj
->type
== OBJ_TAG
)
954 return fsck_tag((struct tag
*) obj
, (const char *) data
,
957 return report(options
, obj
, FSCK_MSG_UNKNOWN_TYPE
, "unknown type '%d' (internal fsck error)",
961 int fsck_error_function(struct fsck_options
*o
,
962 struct object
*obj
, int msg_type
, const char *message
)
964 if (msg_type
== FSCK_WARN
) {
965 warning("object %s: %s", describe_object(o
, obj
), message
);
968 error("object %s: %s", describe_object(o
, obj
), message
);
972 int fsck_finish(struct fsck_options
*options
)
975 struct oidset_iter iter
;
976 const struct object_id
*oid
;
978 oidset_iter_init(&gitmodules_found
, &iter
);
979 while ((oid
= oidset_iter_next(&iter
))) {
981 enum object_type type
;
985 if (oidset_contains(&gitmodules_done
, oid
))
988 blob
= lookup_blob(the_repository
, oid
);
990 struct object
*obj
= lookup_unknown_object(oid
);
991 ret
|= report(options
, obj
,
992 FSCK_MSG_GITMODULES_BLOB
,
993 "non-blob found at .gitmodules");
997 buf
= read_object_file(oid
, &type
, &size
);
999 if (is_promisor_object(&blob
->object
.oid
))
1001 ret
|= report(options
, &blob
->object
,
1002 FSCK_MSG_GITMODULES_MISSING
,
1003 "unable to read .gitmodules blob");
1007 if (type
== OBJ_BLOB
)
1008 ret
|= fsck_blob(blob
, buf
, size
, options
);
1010 ret
|= report(options
, &blob
->object
,
1011 FSCK_MSG_GITMODULES_BLOB
,
1012 "non-blob found at .gitmodules");
1017 oidset_clear(&gitmodules_found
);
1018 oidset_clear(&gitmodules_done
);