11 #include "sha1-array.h"
15 #include "submodule-config.h"
18 static struct oidset gitmodules_found
= OIDSET_INIT
;
19 static struct oidset gitmodules_done
= OIDSET_INIT
;
24 #define FOREACH_MSG_ID(FUNC) \
26 FUNC(NUL_IN_HEADER, FATAL) \
27 FUNC(UNTERMINATED_HEADER, FATAL) \
29 FUNC(BAD_DATE, ERROR) \
30 FUNC(BAD_DATE_OVERFLOW, ERROR) \
31 FUNC(BAD_EMAIL, ERROR) \
32 FUNC(BAD_NAME, ERROR) \
33 FUNC(BAD_OBJECT_SHA1, ERROR) \
34 FUNC(BAD_PARENT_SHA1, ERROR) \
35 FUNC(BAD_TAG_OBJECT, ERROR) \
36 FUNC(BAD_TIMEZONE, ERROR) \
37 FUNC(BAD_TREE, ERROR) \
38 FUNC(BAD_TREE_SHA1, ERROR) \
39 FUNC(BAD_TYPE, ERROR) \
40 FUNC(DUPLICATE_ENTRIES, ERROR) \
41 FUNC(MISSING_AUTHOR, ERROR) \
42 FUNC(MISSING_COMMITTER, ERROR) \
43 FUNC(MISSING_EMAIL, ERROR) \
44 FUNC(MISSING_GRAFT, ERROR) \
45 FUNC(MISSING_NAME_BEFORE_EMAIL, ERROR) \
46 FUNC(MISSING_OBJECT, ERROR) \
47 FUNC(MISSING_PARENT, 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_TAG_OBJECT, 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(TAG_OBJECT_NOT_TAG, ERROR) \
59 FUNC(TREE_NOT_SORTED, ERROR) \
60 FUNC(UNKNOWN_TYPE, ERROR) \
61 FUNC(ZERO_PADDED_DATE, ERROR) \
62 FUNC(GITMODULES_MISSING, ERROR) \
63 FUNC(GITMODULES_BLOB, ERROR) \
64 FUNC(GITMODULES_PARSE, ERROR) \
65 FUNC(GITMODULES_NAME, ERROR) \
66 FUNC(GITMODULES_SYMLINK, ERROR) \
67 FUNC(GITMODULES_URL, ERROR) \
68 FUNC(GITMODULES_PATH, ERROR) \
69 FUNC(GITMODULES_UPDATE, ERROR) \
71 FUNC(BAD_FILEMODE, WARN) \
72 FUNC(EMPTY_NAME, WARN) \
73 FUNC(FULL_PATHNAME, WARN) \
75 FUNC(HAS_DOTDOT, WARN) \
76 FUNC(HAS_DOTGIT, WARN) \
77 FUNC(NULL_SHA1, WARN) \
78 FUNC(ZERO_PADDED_FILEMODE, WARN) \
79 FUNC(NUL_IN_COMMIT, WARN) \
80 /* infos (reported as warnings, but ignored by default) */ \
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, FSCK_##msg_type },
94 const char *id_string
;
95 const char *downcased
;
97 } msg_id_info
[FSCK_MSG_MAX
+ 1] = {
98 FOREACH_MSG_ID(MSG_ID
)
103 static int parse_msg_id(const char *text
)
107 if (!msg_id_info
[0].downcased
) {
108 /* convert id_string to lower case, without underscores. */
109 for (i
= 0; i
< FSCK_MSG_MAX
; i
++) {
110 const char *p
= msg_id_info
[i
].id_string
;
112 char *q
= xmalloc(len
);
114 msg_id_info
[i
].downcased
= q
;
119 *(q
)++ = tolower(*(p
)++);
124 for (i
= 0; i
< FSCK_MSG_MAX
; i
++)
125 if (!strcmp(text
, msg_id_info
[i
].downcased
))
131 static int fsck_msg_type(enum fsck_msg_id msg_id
,
132 struct fsck_options
*options
)
136 assert(msg_id
>= 0 && msg_id
< FSCK_MSG_MAX
);
138 if (options
->msg_type
)
139 msg_type
= options
->msg_type
[msg_id
];
141 msg_type
= msg_id_info
[msg_id
].msg_type
;
142 if (options
->strict
&& msg_type
== FSCK_WARN
)
143 msg_type
= FSCK_ERROR
;
149 static void init_skiplist(struct fsck_options
*options
, const char *path
)
151 static struct oid_array skiplist
= OID_ARRAY_INIT
;
153 char buffer
[GIT_MAX_HEXSZ
+ 1];
154 struct object_id oid
;
156 if (options
->skiplist
)
157 sorted
= options
->skiplist
->sorted
;
160 options
->skiplist
= &skiplist
;
163 fd
= open(path
, O_RDONLY
);
165 die("Could not open skip list: %s", path
);
168 int result
= read_in_full(fd
, buffer
, sizeof(buffer
));
170 die_errno("Could not read '%s'", path
);
173 if (parse_oid_hex(buffer
, &oid
, &p
) || *p
!= '\n')
174 die("Invalid SHA-1: %s", buffer
);
175 oid_array_append(&skiplist
, &oid
);
176 if (sorted
&& skiplist
.nr
> 1 &&
177 oidcmp(&skiplist
.oid
[skiplist
.nr
- 2],
187 static int parse_msg_type(const char *str
)
189 if (!strcmp(str
, "error"))
191 else if (!strcmp(str
, "warn"))
193 else if (!strcmp(str
, "ignore"))
196 die("Unknown fsck message type: '%s'", str
);
199 int is_valid_msg_type(const char *msg_id
, const char *msg_type
)
201 if (parse_msg_id(msg_id
) < 0)
203 parse_msg_type(msg_type
);
207 void fsck_set_msg_type(struct fsck_options
*options
,
208 const char *msg_id
, const char *msg_type
)
210 int id
= parse_msg_id(msg_id
), type
;
213 die("Unhandled message id: %s", msg_id
);
214 type
= parse_msg_type(msg_type
);
216 if (type
!= FSCK_ERROR
&& msg_id_info
[id
].msg_type
== FSCK_FATAL
)
217 die("Cannot demote %s to %s", msg_id
, msg_type
);
219 if (!options
->msg_type
) {
222 ALLOC_ARRAY(msg_type
, FSCK_MSG_MAX
);
223 for (i
= 0; i
< FSCK_MSG_MAX
; i
++)
224 msg_type
[i
] = fsck_msg_type(i
, options
);
225 options
->msg_type
= msg_type
;
228 options
->msg_type
[id
] = type
;
231 void fsck_set_msg_types(struct fsck_options
*options
, const char *values
)
233 char *buf
= xstrdup(values
), *to_free
= buf
;
237 int len
= strcspn(buf
, " ,|"), equal
;
247 equal
< len
&& buf
[equal
] != '=' && buf
[equal
] != ':';
249 buf
[equal
] = tolower(buf
[equal
]);
252 if (!strcmp(buf
, "skiplist")) {
254 die("skiplist requires a path");
255 init_skiplist(options
, buf
+ equal
+ 1);
261 die("Missing '=': '%s'", buf
);
263 fsck_set_msg_type(options
, buf
, buf
+ equal
+ 1);
269 static void append_msg_id(struct strbuf
*sb
, const char *msg_id
)
272 char c
= *(msg_id
)++;
277 strbuf_addch(sb
, tolower(c
));
280 strbuf_addch(sb
, *(msg_id
)++);
284 strbuf_addstr(sb
, ": ");
287 __attribute__((format (printf
, 4, 5)))
288 static int report(struct fsck_options
*options
, struct object
*object
,
289 enum fsck_msg_id id
, const char *fmt
, ...)
292 struct strbuf sb
= STRBUF_INIT
;
293 int msg_type
= fsck_msg_type(id
, options
), result
;
295 if (msg_type
== FSCK_IGNORE
)
298 if (options
->skiplist
&& object
&&
299 oid_array_lookup(options
->skiplist
, &object
->oid
) >= 0)
302 if (msg_type
== FSCK_FATAL
)
303 msg_type
= FSCK_ERROR
;
304 else if (msg_type
== FSCK_INFO
)
305 msg_type
= FSCK_WARN
;
307 append_msg_id(&sb
, msg_id_info
[id
].id_string
);
310 strbuf_vaddf(&sb
, fmt
, ap
);
311 result
= options
->error_func(options
, object
, msg_type
, sb
.buf
);
318 static char *get_object_name(struct fsck_options
*options
, struct object
*obj
)
320 if (!options
->object_names
)
322 return lookup_decoration(options
->object_names
, obj
);
325 static void put_object_name(struct fsck_options
*options
, struct object
*obj
,
326 const char *fmt
, ...)
329 struct strbuf buf
= STRBUF_INIT
;
332 if (!options
->object_names
)
334 existing
= lookup_decoration(options
->object_names
, obj
);
338 strbuf_vaddf(&buf
, fmt
, ap
);
339 add_decoration(options
->object_names
, obj
, strbuf_detach(&buf
, NULL
));
343 static const char *describe_object(struct fsck_options
*o
, struct object
*obj
)
345 static struct strbuf buf
= STRBUF_INIT
;
349 strbuf_addstr(&buf
, oid_to_hex(&obj
->oid
));
350 if (o
->object_names
&& (name
= lookup_decoration(o
->object_names
, obj
)))
351 strbuf_addf(&buf
, " (%s)", name
);
356 static int fsck_walk_tree(struct tree
*tree
, void *data
, struct fsck_options
*options
)
358 struct tree_desc desc
;
359 struct name_entry entry
;
363 if (parse_tree(tree
))
366 name
= get_object_name(options
, &tree
->object
);
367 if (init_tree_desc_gently(&desc
, tree
->buffer
, tree
->size
))
369 while (tree_entry_gently(&desc
, &entry
)) {
373 if (S_ISGITLINK(entry
.mode
))
376 if (S_ISDIR(entry
.mode
)) {
377 obj
= (struct object
*)lookup_tree(entry
.oid
);
379 put_object_name(options
, obj
, "%s%s/", name
,
381 result
= options
->walk(obj
, OBJ_TREE
, data
, options
);
383 else if (S_ISREG(entry
.mode
) || S_ISLNK(entry
.mode
)) {
384 obj
= (struct object
*)lookup_blob(entry
.oid
);
386 put_object_name(options
, obj
, "%s%s", name
,
388 result
= options
->walk(obj
, OBJ_BLOB
, data
, options
);
391 result
= error("in tree %s: entry %s has bad mode %.6o",
392 describe_object(options
, &tree
->object
), entry
.path
, entry
.mode
);
402 static int fsck_walk_commit(struct commit
*commit
, void *data
, struct fsck_options
*options
)
404 int counter
= 0, generation
= 0, name_prefix_len
= 0;
405 struct commit_list
*parents
;
410 if (parse_commit(commit
))
413 name
= get_object_name(options
, &commit
->object
);
415 put_object_name(options
, &get_commit_tree(commit
)->object
,
418 result
= options
->walk((struct object
*)get_commit_tree(commit
),
419 OBJ_TREE
, data
, options
);
424 parents
= commit
->parents
;
425 if (name
&& parents
) {
426 int len
= strlen(name
), power
;
428 if (len
&& name
[len
- 1] == '^') {
430 name_prefix_len
= len
- 1;
432 else { /* parse ~<generation> suffix */
433 for (generation
= 0, power
= 1;
434 len
&& isdigit(name
[len
- 1]);
436 generation
+= power
* (name
[--len
] - '0');
437 if (power
> 1 && len
&& name
[len
- 1] == '~')
438 name_prefix_len
= len
- 1;
444 struct object
*obj
= &parents
->item
->object
;
447 put_object_name(options
, obj
, "%s^%d",
449 else if (generation
> 0)
450 put_object_name(options
, obj
, "%.*s~%d",
451 name_prefix_len
, name
, generation
+ 1);
453 put_object_name(options
, obj
, "%s^", name
);
455 result
= options
->walk((struct object
*)parents
->item
, OBJ_COMMIT
, data
, options
);
460 parents
= parents
->next
;
465 static int fsck_walk_tag(struct tag
*tag
, void *data
, struct fsck_options
*options
)
467 char *name
= get_object_name(options
, &tag
->object
);
472 put_object_name(options
, tag
->tagged
, "%s", name
);
473 return options
->walk(tag
->tagged
, OBJ_ANY
, data
, options
);
476 int fsck_walk(struct object
*obj
, void *data
, struct fsck_options
*options
)
481 if (obj
->type
== OBJ_NONE
)
482 parse_object(&obj
->oid
);
488 return fsck_walk_tree((struct tree
*)obj
, data
, options
);
490 return fsck_walk_commit((struct commit
*)obj
, data
, options
);
492 return fsck_walk_tag((struct tag
*)obj
, data
, options
);
494 error("Unknown object type for %s", describe_object(options
, obj
));
500 * The entries in a tree are ordered in the _path_ order,
501 * which means that a directory entry is ordered by adding
502 * a slash to the end of it.
504 * So a directory called "a" is ordered _after_ a file
505 * called "a.c", because "a/" sorts after "a.c".
507 #define TREE_UNORDERED (-1)
508 #define TREE_HAS_DUPS (-2)
510 static int verify_ordered(unsigned mode1
, const char *name1
, unsigned mode2
, const char *name2
)
512 int len1
= strlen(name1
);
513 int len2
= strlen(name2
);
514 int len
= len1
< len2
? len1
: len2
;
515 unsigned char c1
, c2
;
518 cmp
= memcmp(name1
, name2
, len
);
522 return TREE_UNORDERED
;
525 * Ok, the first <len> characters are the same.
526 * Now we need to order the next one, but turn
527 * a '\0' into a '/' for a directory entry.
533 * git-write-tree used to write out a nonsense tree that has
534 * entries with the same name, one blob and one tree. Make
535 * sure we do not have duplicate entries.
537 return TREE_HAS_DUPS
;
538 if (!c1
&& S_ISDIR(mode1
))
540 if (!c2
&& S_ISDIR(mode2
))
542 return c1
< c2
? 0 : TREE_UNORDERED
;
545 static int fsck_tree(struct tree
*item
, struct fsck_options
*options
)
548 int has_null_sha1
= 0;
549 int has_full_path
= 0;
550 int has_empty_name
= 0;
554 int has_zero_pad
= 0;
555 int has_bad_modes
= 0;
556 int has_dup_entries
= 0;
557 int not_properly_sorted
= 0;
558 struct tree_desc desc
;
562 if (init_tree_desc_gently(&desc
, item
->buffer
, item
->size
)) {
563 retval
+= report(options
, &item
->object
, FSCK_MSG_BAD_TREE
, "cannot be parsed as a tree");
572 const char *name
, *backslash
;
573 const struct object_id
*oid
;
575 oid
= tree_entry_extract(&desc
, &name
, &mode
);
577 has_null_sha1
|= is_null_oid(oid
);
578 has_full_path
|= !!strchr(name
, '/');
579 has_empty_name
|= !*name
;
580 has_dot
|= !strcmp(name
, ".");
581 has_dotdot
|= !strcmp(name
, "..");
582 has_dotgit
|= is_hfs_dotgit(name
) || is_ntfs_dotgit(name
);
583 has_zero_pad
|= *(char *)desc
.buffer
== '0';
585 if (is_hfs_dotgitmodules(name
) || is_ntfs_dotgitmodules(name
)) {
587 oidset_insert(&gitmodules_found
, oid
);
589 retval
+= report(options
, &item
->object
,
590 FSCK_MSG_GITMODULES_SYMLINK
,
591 ".gitmodules is a symbolic link");
594 if ((backslash
= strchr(name
, '\\'))) {
597 has_dotgit
|= is_ntfs_dotgit(backslash
);
598 if (is_ntfs_dotgitmodules(backslash
)) {
600 oidset_insert(&gitmodules_found
, oid
);
602 retval
+= report(options
, &item
->object
,
603 FSCK_MSG_GITMODULES_SYMLINK
,
604 ".gitmodules is a symbolic link");
606 backslash
= strchr(backslash
, '\\');
610 if (update_tree_entry_gently(&desc
)) {
611 retval
+= report(options
, &item
->object
, FSCK_MSG_BAD_TREE
, "cannot be parsed as a tree");
626 * This is nonstandard, but we had a few of these
627 * early on when we honored the full set of mode
631 if (!options
->strict
)
639 switch (verify_ordered(o_mode
, o_name
, mode
, name
)) {
641 not_properly_sorted
= 1;
656 retval
+= report(options
, &item
->object
, FSCK_MSG_NULL_SHA1
, "contains entries pointing to null sha1");
658 retval
+= report(options
, &item
->object
, FSCK_MSG_FULL_PATHNAME
, "contains full pathnames");
660 retval
+= report(options
, &item
->object
, FSCK_MSG_EMPTY_NAME
, "contains empty pathname");
662 retval
+= report(options
, &item
->object
, FSCK_MSG_HAS_DOT
, "contains '.'");
664 retval
+= report(options
, &item
->object
, FSCK_MSG_HAS_DOTDOT
, "contains '..'");
666 retval
+= report(options
, &item
->object
, FSCK_MSG_HAS_DOTGIT
, "contains '.git'");
668 retval
+= report(options
, &item
->object
, FSCK_MSG_ZERO_PADDED_FILEMODE
, "contains zero-padded file modes");
670 retval
+= report(options
, &item
->object
, FSCK_MSG_BAD_FILEMODE
, "contains bad file modes");
672 retval
+= report(options
, &item
->object
, FSCK_MSG_DUPLICATE_ENTRIES
, "contains duplicate file entries");
673 if (not_properly_sorted
)
674 retval
+= report(options
, &item
->object
, FSCK_MSG_TREE_NOT_SORTED
, "not properly sorted");
678 static int verify_headers(const void *data
, unsigned long size
,
679 struct object
*obj
, struct fsck_options
*options
)
681 const char *buffer
= (const char *)data
;
684 for (i
= 0; i
< size
; i
++) {
687 return report(options
, obj
,
688 FSCK_MSG_NUL_IN_HEADER
,
689 "unterminated header: NUL at offset %ld", i
);
691 if (i
+ 1 < size
&& buffer
[i
+ 1] == '\n')
697 * We did not find double-LF that separates the header
698 * and the body. Not having a body is not a crime but
699 * we do want to see the terminating LF for the last header
702 if (size
&& buffer
[size
- 1] == '\n')
705 return report(options
, obj
,
706 FSCK_MSG_UNTERMINATED_HEADER
, "unterminated header");
709 static int fsck_ident(const char **ident
, struct object
*obj
, struct fsck_options
*options
)
711 const char *p
= *ident
;
714 *ident
= strchrnul(*ident
, '\n');
719 return report(options
, obj
, FSCK_MSG_MISSING_NAME_BEFORE_EMAIL
, "invalid author/committer line - missing space before email");
720 p
+= strcspn(p
, "<>\n");
722 return report(options
, obj
, FSCK_MSG_BAD_NAME
, "invalid author/committer line - bad name");
724 return report(options
, obj
, FSCK_MSG_MISSING_EMAIL
, "invalid author/committer line - missing email");
726 return report(options
, obj
, FSCK_MSG_MISSING_SPACE_BEFORE_EMAIL
, "invalid author/committer line - missing space before email");
728 p
+= strcspn(p
, "<>\n");
730 return report(options
, obj
, FSCK_MSG_BAD_EMAIL
, "invalid author/committer line - bad email");
733 return report(options
, obj
, FSCK_MSG_MISSING_SPACE_BEFORE_DATE
, "invalid author/committer line - missing space before date");
735 if (*p
== '0' && p
[1] != ' ')
736 return report(options
, obj
, FSCK_MSG_ZERO_PADDED_DATE
, "invalid author/committer line - zero-padded date");
737 if (date_overflows(parse_timestamp(p
, &end
, 10)))
738 return report(options
, obj
, FSCK_MSG_BAD_DATE_OVERFLOW
, "invalid author/committer line - date causes integer overflow");
739 if ((end
== p
|| *end
!= ' '))
740 return report(options
, obj
, FSCK_MSG_BAD_DATE
, "invalid author/committer line - bad date");
742 if ((*p
!= '+' && *p
!= '-') ||
748 return report(options
, obj
, FSCK_MSG_BAD_TIMEZONE
, "invalid author/committer line - bad time zone");
753 static int fsck_commit_buffer(struct commit
*commit
, const char *buffer
,
754 unsigned long size
, struct fsck_options
*options
)
756 struct object_id tree_oid
, oid
;
757 struct commit_graft
*graft
;
758 unsigned parent_count
, parent_line_count
= 0, author_count
;
760 const char *buffer_begin
= buffer
;
763 if (verify_headers(buffer
, size
, &commit
->object
, options
))
766 if (!skip_prefix(buffer
, "tree ", &buffer
))
767 return report(options
, &commit
->object
, FSCK_MSG_MISSING_TREE
, "invalid format - expected 'tree' line");
768 if (parse_oid_hex(buffer
, &tree_oid
, &p
) || *p
!= '\n') {
769 err
= report(options
, &commit
->object
, FSCK_MSG_BAD_TREE_SHA1
, "invalid 'tree' line format - bad sha1");
774 while (skip_prefix(buffer
, "parent ", &buffer
)) {
775 if (parse_oid_hex(buffer
, &oid
, &p
) || *p
!= '\n') {
776 err
= report(options
, &commit
->object
, FSCK_MSG_BAD_PARENT_SHA1
, "invalid 'parent' line format - bad sha1");
783 graft
= lookup_commit_graft(&commit
->object
.oid
);
784 parent_count
= commit_list_count(commit
->parents
);
786 if (graft
->nr_parent
== -1 && !parent_count
)
787 ; /* shallow commit */
788 else if (graft
->nr_parent
!= parent_count
) {
789 err
= report(options
, &commit
->object
, FSCK_MSG_MISSING_GRAFT
, "graft objects missing");
794 if (parent_count
!= parent_line_count
) {
795 err
= report(options
, &commit
->object
, FSCK_MSG_MISSING_PARENT
, "parent objects missing");
801 while (skip_prefix(buffer
, "author ", &buffer
)) {
803 err
= fsck_ident(&buffer
, &commit
->object
, options
);
807 if (author_count
< 1)
808 err
= report(options
, &commit
->object
, FSCK_MSG_MISSING_AUTHOR
, "invalid format - expected 'author' line");
809 else if (author_count
> 1)
810 err
= report(options
, &commit
->object
, FSCK_MSG_MULTIPLE_AUTHORS
, "invalid format - multiple 'author' lines");
813 if (!skip_prefix(buffer
, "committer ", &buffer
))
814 return report(options
, &commit
->object
, FSCK_MSG_MISSING_COMMITTER
, "invalid format - expected 'committer' line");
815 err
= fsck_ident(&buffer
, &commit
->object
, options
);
818 if (!get_commit_tree(commit
)) {
819 err
= report(options
, &commit
->object
, FSCK_MSG_BAD_TREE
, "could not load commit's tree %s", oid_to_hex(&tree_oid
));
823 if (memchr(buffer_begin
, '\0', size
)) {
824 err
= report(options
, &commit
->object
, FSCK_MSG_NUL_IN_COMMIT
,
825 "NUL byte in the commit object body");
832 static int fsck_commit(struct commit
*commit
, const char *data
,
833 unsigned long size
, struct fsck_options
*options
)
835 const char *buffer
= data
? data
: get_commit_buffer(commit
, &size
);
836 int ret
= fsck_commit_buffer(commit
, buffer
, size
, options
);
838 unuse_commit_buffer(commit
, buffer
);
842 static int fsck_tag_buffer(struct tag
*tag
, const char *data
,
843 unsigned long size
, struct fsck_options
*options
)
845 struct object_id oid
;
848 char *to_free
= NULL
, *eol
;
849 struct strbuf sb
= STRBUF_INIT
;
855 enum object_type type
;
858 read_object_file(&tag
->object
.oid
, &type
, &size
);
860 return report(options
, &tag
->object
,
861 FSCK_MSG_MISSING_TAG_OBJECT
,
862 "cannot read tag object");
864 if (type
!= OBJ_TAG
) {
865 ret
= report(options
, &tag
->object
,
866 FSCK_MSG_TAG_OBJECT_NOT_TAG
,
867 "expected tag got %s",
873 ret
= verify_headers(buffer
, size
, &tag
->object
, options
);
877 if (!skip_prefix(buffer
, "object ", &buffer
)) {
878 ret
= report(options
, &tag
->object
, FSCK_MSG_MISSING_OBJECT
, "invalid format - expected 'object' line");
881 if (parse_oid_hex(buffer
, &oid
, &p
) || *p
!= '\n') {
882 ret
= report(options
, &tag
->object
, FSCK_MSG_BAD_OBJECT_SHA1
, "invalid 'object' line format - bad sha1");
888 if (!skip_prefix(buffer
, "type ", &buffer
)) {
889 ret
= report(options
, &tag
->object
, FSCK_MSG_MISSING_TYPE_ENTRY
, "invalid format - expected 'type' line");
892 eol
= strchr(buffer
, '\n');
894 ret
= report(options
, &tag
->object
, FSCK_MSG_MISSING_TYPE
, "invalid format - unexpected end after 'type' line");
897 if (type_from_string_gently(buffer
, eol
- buffer
, 1) < 0)
898 ret
= report(options
, &tag
->object
, FSCK_MSG_BAD_TYPE
, "invalid 'type' value");
903 if (!skip_prefix(buffer
, "tag ", &buffer
)) {
904 ret
= report(options
, &tag
->object
, FSCK_MSG_MISSING_TAG_ENTRY
, "invalid format - expected 'tag' line");
907 eol
= strchr(buffer
, '\n');
909 ret
= report(options
, &tag
->object
, FSCK_MSG_MISSING_TAG
, "invalid format - unexpected end after 'type' line");
912 strbuf_addf(&sb
, "refs/tags/%.*s", (int)(eol
- buffer
), buffer
);
913 if (check_refname_format(sb
.buf
, 0)) {
914 ret
= report(options
, &tag
->object
, FSCK_MSG_BAD_TAG_NAME
,
915 "invalid 'tag' name: %.*s",
916 (int)(eol
- buffer
), buffer
);
922 if (!skip_prefix(buffer
, "tagger ", &buffer
)) {
923 /* early tags do not contain 'tagger' lines; warn only */
924 ret
= report(options
, &tag
->object
, FSCK_MSG_MISSING_TAGGER_ENTRY
, "invalid format - expected 'tagger' line");
929 ret
= fsck_ident(&buffer
, &tag
->object
, options
);
937 static int fsck_tag(struct tag
*tag
, const char *data
,
938 unsigned long size
, struct fsck_options
*options
)
940 struct object
*tagged
= tag
->tagged
;
943 return report(options
, &tag
->object
, FSCK_MSG_BAD_TAG_OBJECT
, "could not load tagged object");
945 return fsck_tag_buffer(tag
, data
, size
, options
);
948 struct fsck_gitmodules_data
{
950 struct fsck_options
*options
;
954 static int fsck_gitmodules_fn(const char *var
, const char *value
, void *vdata
)
956 struct fsck_gitmodules_data
*data
= vdata
;
957 const char *subsection
, *key
;
961 if (parse_config_key(var
, "submodule", &subsection
, &subsection_len
, &key
) < 0 ||
965 name
= xmemdupz(subsection
, subsection_len
);
966 if (check_submodule_name(name
) < 0)
967 data
->ret
|= report(data
->options
, data
->obj
,
968 FSCK_MSG_GITMODULES_NAME
,
969 "disallowed submodule name: %s",
971 if (!strcmp(key
, "url") && value
&&
972 looks_like_command_line_option(value
))
973 data
->ret
|= report(data
->options
, data
->obj
,
974 FSCK_MSG_GITMODULES_URL
,
975 "disallowed submodule url: %s",
977 if (!strcmp(key
, "path") && value
&&
978 looks_like_command_line_option(value
))
979 data
->ret
|= report(data
->options
, data
->obj
,
980 FSCK_MSG_GITMODULES_PATH
,
981 "disallowed submodule path: %s",
983 if (!strcmp(key
, "update") && value
&&
984 parse_submodule_update_type(value
) == SM_UPDATE_COMMAND
)
985 data
->ret
|= report(data
->options
, data
->obj
,
986 FSCK_MSG_GITMODULES_UPDATE
,
987 "disallowed submodule update setting: %s",
994 static int fsck_blob(struct blob
*blob
, const char *buf
,
995 unsigned long size
, struct fsck_options
*options
)
997 struct fsck_gitmodules_data data
;
999 if (!oidset_contains(&gitmodules_found
, &blob
->object
.oid
))
1001 oidset_insert(&gitmodules_done
, &blob
->object
.oid
);
1005 * A missing buffer here is a sign that the caller found the
1006 * blob too gigantic to load into memory. Let's just consider
1009 return report(options
, &blob
->object
,
1010 FSCK_MSG_GITMODULES_PARSE
,
1011 ".gitmodules too large to parse");
1014 data
.obj
= &blob
->object
;
1015 data
.options
= options
;
1017 if (git_config_from_mem(fsck_gitmodules_fn
, CONFIG_ORIGIN_BLOB
,
1018 ".gitmodules", buf
, size
, &data
))
1019 data
.ret
|= report(options
, &blob
->object
,
1020 FSCK_MSG_GITMODULES_PARSE
,
1021 "could not parse gitmodules blob");
1026 int fsck_object(struct object
*obj
, void *data
, unsigned long size
,
1027 struct fsck_options
*options
)
1030 return report(options
, obj
, FSCK_MSG_BAD_OBJECT_SHA1
, "no valid object to fsck");
1032 if (obj
->type
== OBJ_BLOB
)
1033 return fsck_blob((struct blob
*)obj
, data
, size
, options
);
1034 if (obj
->type
== OBJ_TREE
)
1035 return fsck_tree((struct tree
*) obj
, options
);
1036 if (obj
->type
== OBJ_COMMIT
)
1037 return fsck_commit((struct commit
*) obj
, (const char *) data
,
1039 if (obj
->type
== OBJ_TAG
)
1040 return fsck_tag((struct tag
*) obj
, (const char *) data
,
1043 return report(options
, obj
, FSCK_MSG_UNKNOWN_TYPE
, "unknown type '%d' (internal fsck error)",
1047 int fsck_error_function(struct fsck_options
*o
,
1048 struct object
*obj
, int msg_type
, const char *message
)
1050 if (msg_type
== FSCK_WARN
) {
1051 warning("object %s: %s", describe_object(o
, obj
), message
);
1054 error("object %s: %s", describe_object(o
, obj
), message
);
1058 int fsck_finish(struct fsck_options
*options
)
1061 struct oidset_iter iter
;
1062 const struct object_id
*oid
;
1064 oidset_iter_init(&gitmodules_found
, &iter
);
1065 while ((oid
= oidset_iter_next(&iter
))) {
1067 enum object_type type
;
1071 if (oidset_contains(&gitmodules_done
, oid
))
1074 blob
= lookup_blob(oid
);
1076 struct object
*obj
= lookup_unknown_object(oid
->hash
);
1077 ret
|= report(options
, obj
,
1078 FSCK_MSG_GITMODULES_BLOB
,
1079 "non-blob found at .gitmodules");
1083 buf
= read_object_file(oid
, &type
, &size
);
1085 if (is_promisor_object(&blob
->object
.oid
))
1087 ret
|= report(options
, &blob
->object
,
1088 FSCK_MSG_GITMODULES_MISSING
,
1089 "unable to read .gitmodules blob");
1093 if (type
== OBJ_BLOB
)
1094 ret
|= fsck_blob(blob
, buf
, size
, options
);
1096 ret
|= report(options
, &blob
->object
,
1097 FSCK_MSG_GITMODULES_BLOB
,
1098 "non-blob found at .gitmodules");
1103 oidset_clear(&gitmodules_found
);
1104 oidset_clear(&gitmodules_done
);