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Commit | Line | Data |
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355885d5 | 1 | #include "cache.h" |
cbd53a21 | 2 | #include "object-store.h" |
109cd76d | 3 | #include "repository.h" |
355885d5 MK |
4 | #include "object.h" |
5 | #include "blob.h" | |
6 | #include "tree.h" | |
7 | #include "tree-walk.h" | |
8 | #include "commit.h" | |
9 | #include "tag.h" | |
10 | #include "fsck.h" | |
cec097be | 11 | #include "refs.h" |
a18fcc9f | 12 | #include "utf8.h" |
7b35efd7 | 13 | #include "decorate.h" |
159e7b08 | 14 | #include "oidset.h" |
27387444 | 15 | #include "packfile.h" |
ed8b10f6 JK |
16 | #include "submodule-config.h" |
17 | #include "config.h" | |
3ac68a93 | 18 | #include "help.h" |
159e7b08 JK |
19 | |
20 | static struct oidset gitmodules_found = OIDSET_INIT; | |
21 | static struct oidset gitmodules_done = OIDSET_INIT; | |
355885d5 | 22 | |
f50c4407 | 23 | #define FSCK_FATAL -1 |
f27d05b1 | 24 | #define FSCK_INFO -2 |
f50c4407 | 25 | |
c99ba492 | 26 | #define FOREACH_MSG_ID(FUNC) \ |
f50c4407 JS |
27 | /* fatal errors */ \ |
28 | FUNC(NUL_IN_HEADER, FATAL) \ | |
29 | FUNC(UNTERMINATED_HEADER, FATAL) \ | |
c99ba492 JS |
30 | /* errors */ \ |
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_GRAFT, ERROR) \ | |
47 | FUNC(MISSING_NAME_BEFORE_EMAIL, ERROR) \ | |
48 | FUNC(MISSING_OBJECT, ERROR) \ | |
49 | FUNC(MISSING_PARENT, ERROR) \ | |
50 | FUNC(MISSING_SPACE_BEFORE_DATE, ERROR) \ | |
51 | FUNC(MISSING_SPACE_BEFORE_EMAIL, ERROR) \ | |
52 | FUNC(MISSING_TAG, ERROR) \ | |
53 | FUNC(MISSING_TAG_ENTRY, ERROR) \ | |
54 | FUNC(MISSING_TAG_OBJECT, ERROR) \ | |
55 | FUNC(MISSING_TREE, ERROR) \ | |
159e7b08 | 56 | FUNC(MISSING_TREE_OBJECT, ERROR) \ |
c99ba492 JS |
57 | FUNC(MISSING_TYPE, ERROR) \ |
58 | FUNC(MISSING_TYPE_ENTRY, ERROR) \ | |
c9ad147f | 59 | FUNC(MULTIPLE_AUTHORS, ERROR) \ |
c99ba492 JS |
60 | FUNC(TAG_OBJECT_NOT_TAG, ERROR) \ |
61 | FUNC(TREE_NOT_SORTED, ERROR) \ | |
62 | FUNC(UNKNOWN_TYPE, ERROR) \ | |
c99ba492 | 63 | FUNC(ZERO_PADDED_DATE, ERROR) \ |
159e7b08 JK |
64 | FUNC(GITMODULES_MISSING, ERROR) \ |
65 | FUNC(GITMODULES_BLOB, ERROR) \ | |
0d68764d | 66 | FUNC(GITMODULES_LARGE, ERROR) \ |
ed8b10f6 | 67 | FUNC(GITMODULES_NAME, ERROR) \ |
b7b1fca1 | 68 | FUNC(GITMODULES_SYMLINK, ERROR) \ |
a124133e | 69 | FUNC(GITMODULES_URL, ERROR) \ |
1a7fd1fb | 70 | FUNC(GITMODULES_PATH, ERROR) \ |
bb92255e | 71 | FUNC(GITMODULES_UPDATE, ERROR) \ |
c99ba492 JS |
72 | /* warnings */ \ |
73 | FUNC(BAD_FILEMODE, WARN) \ | |
c99ba492 JS |
74 | FUNC(EMPTY_NAME, WARN) \ |
75 | FUNC(FULL_PATHNAME, WARN) \ | |
76 | FUNC(HAS_DOT, WARN) \ | |
77 | FUNC(HAS_DOTDOT, WARN) \ | |
78 | FUNC(HAS_DOTGIT, WARN) \ | |
c99ba492 | 79 | FUNC(NULL_SHA1, WARN) \ |
f27d05b1 | 80 | FUNC(ZERO_PADDED_FILEMODE, WARN) \ |
6d2d780f | 81 | FUNC(NUL_IN_COMMIT, WARN) \ |
f27d05b1 | 82 | /* infos (reported as warnings, but ignored by default) */ \ |
64eb14d3 | 83 | FUNC(GITMODULES_PARSE, INFO) \ |
f27d05b1 JS |
84 | FUNC(BAD_TAG_NAME, INFO) \ |
85 | FUNC(MISSING_TAGGER_ENTRY, INFO) | |
c99ba492 JS |
86 | |
87 | #define MSG_ID(id, msg_type) FSCK_MSG_##id, | |
88 | enum fsck_msg_id { | |
89 | FOREACH_MSG_ID(MSG_ID) | |
90 | FSCK_MSG_MAX | |
91 | }; | |
92 | #undef MSG_ID | |
93 | ||
f417eed8 | 94 | #define STR(x) #x |
a4a9cc19 | 95 | #define MSG_ID(id, msg_type) { STR(id), NULL, NULL, FSCK_##msg_type }, |
c99ba492 | 96 | static struct { |
f417eed8 JS |
97 | const char *id_string; |
98 | const char *downcased; | |
a4a9cc19 | 99 | const char *camelcased; |
c99ba492 JS |
100 | int msg_type; |
101 | } msg_id_info[FSCK_MSG_MAX + 1] = { | |
102 | FOREACH_MSG_ID(MSG_ID) | |
a4a9cc19 | 103 | { NULL, NULL, NULL, -1 } |
c99ba492 JS |
104 | }; |
105 | #undef MSG_ID | |
106 | ||
a46baac6 | 107 | static void prepare_msg_ids(void) |
f417eed8 JS |
108 | { |
109 | int i; | |
110 | ||
a46baac6 NTND |
111 | if (msg_id_info[0].downcased) |
112 | return; | |
113 | ||
114 | /* convert id_string to lower case, without underscores. */ | |
115 | for (i = 0; i < FSCK_MSG_MAX; i++) { | |
116 | const char *p = msg_id_info[i].id_string; | |
117 | int len = strlen(p); | |
118 | char *q = xmalloc(len); | |
119 | ||
120 | msg_id_info[i].downcased = q; | |
121 | while (*p) | |
122 | if (*p == '_') | |
123 | p++; | |
124 | else | |
125 | *(q)++ = tolower(*(p)++); | |
126 | *q = '\0'; | |
a4a9cc19 NTND |
127 | |
128 | p = msg_id_info[i].id_string; | |
129 | q = xmalloc(len); | |
130 | msg_id_info[i].camelcased = q; | |
131 | while (*p) { | |
132 | if (*p == '_') { | |
133 | p++; | |
134 | if (*p) | |
135 | *q++ = *p++; | |
136 | } else { | |
137 | *q++ = tolower(*p++); | |
138 | } | |
f417eed8 | 139 | } |
a4a9cc19 | 140 | *q = '\0'; |
f417eed8 | 141 | } |
a46baac6 NTND |
142 | } |
143 | ||
144 | static int parse_msg_id(const char *text) | |
145 | { | |
146 | int i; | |
147 | ||
148 | prepare_msg_ids(); | |
f417eed8 JS |
149 | |
150 | for (i = 0; i < FSCK_MSG_MAX; i++) | |
151 | if (!strcmp(text, msg_id_info[i].downcased)) | |
152 | return i; | |
153 | ||
154 | return -1; | |
155 | } | |
156 | ||
3ac68a93 NTND |
157 | void list_config_fsck_msg_ids(struct string_list *list, const char *prefix) |
158 | { | |
159 | int i; | |
160 | ||
161 | prepare_msg_ids(); | |
162 | ||
3ac68a93 | 163 | for (i = 0; i < FSCK_MSG_MAX; i++) |
a4a9cc19 | 164 | list_config_item(list, prefix, msg_id_info[i].camelcased); |
3ac68a93 NTND |
165 | } |
166 | ||
c99ba492 JS |
167 | static int fsck_msg_type(enum fsck_msg_id msg_id, |
168 | struct fsck_options *options) | |
169 | { | |
170 | int msg_type; | |
171 | ||
0282f4dc JS |
172 | assert(msg_id >= 0 && msg_id < FSCK_MSG_MAX); |
173 | ||
174 | if (options->msg_type) | |
175 | msg_type = options->msg_type[msg_id]; | |
176 | else { | |
177 | msg_type = msg_id_info[msg_id].msg_type; | |
178 | if (options->strict && msg_type == FSCK_WARN) | |
179 | msg_type = FSCK_ERROR; | |
180 | } | |
c99ba492 JS |
181 | |
182 | return msg_type; | |
183 | } | |
184 | ||
0282f4dc JS |
185 | static int parse_msg_type(const char *str) |
186 | { | |
187 | if (!strcmp(str, "error")) | |
188 | return FSCK_ERROR; | |
189 | else if (!strcmp(str, "warn")) | |
190 | return FSCK_WARN; | |
efaba7cc JS |
191 | else if (!strcmp(str, "ignore")) |
192 | return FSCK_IGNORE; | |
0282f4dc JS |
193 | else |
194 | die("Unknown fsck message type: '%s'", str); | |
195 | } | |
196 | ||
5d477a33 JS |
197 | int is_valid_msg_type(const char *msg_id, const char *msg_type) |
198 | { | |
199 | if (parse_msg_id(msg_id) < 0) | |
200 | return 0; | |
201 | parse_msg_type(msg_type); | |
202 | return 1; | |
203 | } | |
204 | ||
0282f4dc JS |
205 | void fsck_set_msg_type(struct fsck_options *options, |
206 | const char *msg_id, const char *msg_type) | |
207 | { | |
208 | int id = parse_msg_id(msg_id), type; | |
209 | ||
210 | if (id < 0) | |
211 | die("Unhandled message id: %s", msg_id); | |
212 | type = parse_msg_type(msg_type); | |
213 | ||
f50c4407 JS |
214 | if (type != FSCK_ERROR && msg_id_info[id].msg_type == FSCK_FATAL) |
215 | die("Cannot demote %s to %s", msg_id, msg_type); | |
216 | ||
0282f4dc JS |
217 | if (!options->msg_type) { |
218 | int i; | |
b32fa95f JK |
219 | int *msg_type; |
220 | ALLOC_ARRAY(msg_type, FSCK_MSG_MAX); | |
0282f4dc JS |
221 | for (i = 0; i < FSCK_MSG_MAX; i++) |
222 | msg_type[i] = fsck_msg_type(i, options); | |
223 | options->msg_type = msg_type; | |
224 | } | |
225 | ||
226 | options->msg_type[id] = type; | |
227 | } | |
228 | ||
229 | void fsck_set_msg_types(struct fsck_options *options, const char *values) | |
230 | { | |
231 | char *buf = xstrdup(values), *to_free = buf; | |
232 | int done = 0; | |
233 | ||
234 | while (!done) { | |
235 | int len = strcspn(buf, " ,|"), equal; | |
236 | ||
237 | done = !buf[len]; | |
238 | if (!len) { | |
239 | buf++; | |
240 | continue; | |
241 | } | |
242 | buf[len] = '\0'; | |
243 | ||
244 | for (equal = 0; | |
245 | equal < len && buf[equal] != '=' && buf[equal] != ':'; | |
246 | equal++) | |
247 | buf[equal] = tolower(buf[equal]); | |
248 | buf[equal] = '\0'; | |
249 | ||
cd94c6f9 JS |
250 | if (!strcmp(buf, "skiplist")) { |
251 | if (equal == len) | |
252 | die("skiplist requires a path"); | |
24eb33eb | 253 | oidset_parse_file(&options->skiplist, buf + equal + 1); |
cd94c6f9 JS |
254 | buf += len + 1; |
255 | continue; | |
256 | } | |
257 | ||
0282f4dc JS |
258 | if (equal == len) |
259 | die("Missing '=': '%s'", buf); | |
355885d5 | 260 | |
0282f4dc JS |
261 | fsck_set_msg_type(options, buf, buf + equal + 1); |
262 | buf += len + 1; | |
263 | } | |
264 | free(to_free); | |
265 | } | |
266 | ||
71ab8fa8 JS |
267 | static void append_msg_id(struct strbuf *sb, const char *msg_id) |
268 | { | |
269 | for (;;) { | |
270 | char c = *(msg_id)++; | |
271 | ||
272 | if (!c) | |
273 | break; | |
274 | if (c != '_') | |
275 | strbuf_addch(sb, tolower(c)); | |
276 | else { | |
277 | assert(*msg_id); | |
278 | strbuf_addch(sb, *(msg_id)++); | |
279 | } | |
280 | } | |
281 | ||
282 | strbuf_addstr(sb, ": "); | |
283 | } | |
284 | ||
fb162877 RJ |
285 | static int object_on_skiplist(struct fsck_options *opts, struct object *obj) |
286 | { | |
3b41fb0c | 287 | return opts && obj && oidset_contains(&opts->skiplist, &obj->oid); |
fb162877 RJ |
288 | } |
289 | ||
c99ba492 JS |
290 | __attribute__((format (printf, 4, 5))) |
291 | static int report(struct fsck_options *options, struct object *object, | |
292 | enum fsck_msg_id id, const char *fmt, ...) | |
293 | { | |
294 | va_list ap; | |
295 | struct strbuf sb = STRBUF_INIT; | |
296 | int msg_type = fsck_msg_type(id, options), result; | |
297 | ||
efaba7cc JS |
298 | if (msg_type == FSCK_IGNORE) |
299 | return 0; | |
300 | ||
fb162877 | 301 | if (object_on_skiplist(options, object)) |
cd94c6f9 JS |
302 | return 0; |
303 | ||
f50c4407 JS |
304 | if (msg_type == FSCK_FATAL) |
305 | msg_type = FSCK_ERROR; | |
f27d05b1 JS |
306 | else if (msg_type == FSCK_INFO) |
307 | msg_type = FSCK_WARN; | |
f50c4407 | 308 | |
71ab8fa8 JS |
309 | append_msg_id(&sb, msg_id_info[id].id_string); |
310 | ||
c99ba492 JS |
311 | va_start(ap, fmt); |
312 | strbuf_vaddf(&sb, fmt, ap); | |
1cd772cc | 313 | result = options->error_func(options, object, msg_type, sb.buf); |
c99ba492 JS |
314 | strbuf_release(&sb); |
315 | va_end(ap); | |
316 | ||
317 | return result; | |
318 | } | |
319 | ||
7b35efd7 JS |
320 | static char *get_object_name(struct fsck_options *options, struct object *obj) |
321 | { | |
322 | if (!options->object_names) | |
323 | return NULL; | |
324 | return lookup_decoration(options->object_names, obj); | |
325 | } | |
326 | ||
327 | static void put_object_name(struct fsck_options *options, struct object *obj, | |
328 | const char *fmt, ...) | |
329 | { | |
330 | va_list ap; | |
331 | struct strbuf buf = STRBUF_INIT; | |
332 | char *existing; | |
333 | ||
334 | if (!options->object_names) | |
335 | return; | |
336 | existing = lookup_decoration(options->object_names, obj); | |
337 | if (existing) | |
338 | return; | |
339 | va_start(ap, fmt); | |
340 | strbuf_vaddf(&buf, fmt, ap); | |
341 | add_decoration(options->object_names, obj, strbuf_detach(&buf, NULL)); | |
342 | va_end(ap); | |
343 | } | |
344 | ||
90cf590f JS |
345 | static const char *describe_object(struct fsck_options *o, struct object *obj) |
346 | { | |
347 | static struct strbuf buf = STRBUF_INIT; | |
348 | char *name; | |
349 | ||
350 | strbuf_reset(&buf); | |
351 | strbuf_addstr(&buf, oid_to_hex(&obj->oid)); | |
352 | if (o->object_names && (name = lookup_decoration(o->object_names, obj))) | |
353 | strbuf_addf(&buf, " (%s)", name); | |
354 | ||
355 | return buf.buf; | |
356 | } | |
357 | ||
22410549 | 358 | static int fsck_walk_tree(struct tree *tree, void *data, struct fsck_options *options) |
355885d5 MK |
359 | { |
360 | struct tree_desc desc; | |
361 | struct name_entry entry; | |
362 | int res = 0; | |
7b35efd7 | 363 | const char *name; |
355885d5 MK |
364 | |
365 | if (parse_tree(tree)) | |
366 | return -1; | |
367 | ||
7b35efd7 | 368 | name = get_object_name(options, &tree->object); |
8354fa3d DT |
369 | if (init_tree_desc_gently(&desc, tree->buffer, tree->size)) |
370 | return -1; | |
371 | while (tree_entry_gently(&desc, &entry)) { | |
7b35efd7 | 372 | struct object *obj; |
355885d5 MK |
373 | int result; |
374 | ||
375 | if (S_ISGITLINK(entry.mode)) | |
376 | continue; | |
7b35efd7 JS |
377 | |
378 | if (S_ISDIR(entry.mode)) { | |
ea82b2a0 | 379 | obj = (struct object *)lookup_tree(the_repository, &entry.oid); |
2720f6db | 380 | if (name && obj) |
7b35efd7 JS |
381 | put_object_name(options, obj, "%s%s/", name, |
382 | entry.path); | |
383 | result = options->walk(obj, OBJ_TREE, data, options); | |
384 | } | |
385 | else if (S_ISREG(entry.mode) || S_ISLNK(entry.mode)) { | |
ea82b2a0 | 386 | obj = (struct object *)lookup_blob(the_repository, &entry.oid); |
2720f6db | 387 | if (name && obj) |
7b35efd7 JS |
388 | put_object_name(options, obj, "%s%s", name, |
389 | entry.path); | |
390 | result = options->walk(obj, OBJ_BLOB, data, options); | |
391 | } | |
355885d5 | 392 | else { |
82247e9b | 393 | result = error("in tree %s: entry %s has bad mode %.6o", |
90cf590f | 394 | describe_object(options, &tree->object), entry.path, entry.mode); |
355885d5 MK |
395 | } |
396 | if (result < 0) | |
397 | return result; | |
398 | if (!res) | |
399 | res = result; | |
400 | } | |
401 | return res; | |
402 | } | |
403 | ||
22410549 | 404 | static int fsck_walk_commit(struct commit *commit, void *data, struct fsck_options *options) |
355885d5 | 405 | { |
7b35efd7 | 406 | int counter = 0, generation = 0, name_prefix_len = 0; |
355885d5 MK |
407 | struct commit_list *parents; |
408 | int res; | |
409 | int result; | |
7b35efd7 | 410 | const char *name; |
355885d5 MK |
411 | |
412 | if (parse_commit(commit)) | |
413 | return -1; | |
414 | ||
7b35efd7 JS |
415 | name = get_object_name(options, &commit->object); |
416 | if (name) | |
2e27bd77 DS |
417 | put_object_name(options, &get_commit_tree(commit)->object, |
418 | "%s:", name); | |
7b35efd7 | 419 | |
2e27bd77 DS |
420 | result = options->walk((struct object *)get_commit_tree(commit), |
421 | OBJ_TREE, data, options); | |
355885d5 MK |
422 | if (result < 0) |
423 | return result; | |
424 | res = result; | |
425 | ||
426 | parents = commit->parents; | |
7b35efd7 JS |
427 | if (name && parents) { |
428 | int len = strlen(name), power; | |
429 | ||
430 | if (len && name[len - 1] == '^') { | |
431 | generation = 1; | |
432 | name_prefix_len = len - 1; | |
433 | } | |
434 | else { /* parse ~<generation> suffix */ | |
435 | for (generation = 0, power = 1; | |
436 | len && isdigit(name[len - 1]); | |
437 | power *= 10) | |
438 | generation += power * (name[--len] - '0'); | |
439 | if (power > 1 && len && name[len - 1] == '~') | |
440 | name_prefix_len = len - 1; | |
441 | } | |
442 | } | |
443 | ||
355885d5 | 444 | while (parents) { |
7b35efd7 JS |
445 | if (name) { |
446 | struct object *obj = &parents->item->object; | |
447 | ||
b84c7838 | 448 | if (counter++) |
7b35efd7 JS |
449 | put_object_name(options, obj, "%s^%d", |
450 | name, counter); | |
451 | else if (generation > 0) | |
452 | put_object_name(options, obj, "%.*s~%d", | |
453 | name_prefix_len, name, generation + 1); | |
454 | else | |
455 | put_object_name(options, obj, "%s^", name); | |
456 | } | |
22410549 | 457 | result = options->walk((struct object *)parents->item, OBJ_COMMIT, data, options); |
355885d5 MK |
458 | if (result < 0) |
459 | return result; | |
460 | if (!res) | |
461 | res = result; | |
462 | parents = parents->next; | |
463 | } | |
464 | return res; | |
465 | } | |
466 | ||
22410549 | 467 | static int fsck_walk_tag(struct tag *tag, void *data, struct fsck_options *options) |
355885d5 | 468 | { |
7b35efd7 JS |
469 | char *name = get_object_name(options, &tag->object); |
470 | ||
355885d5 MK |
471 | if (parse_tag(tag)) |
472 | return -1; | |
7b35efd7 JS |
473 | if (name) |
474 | put_object_name(options, tag->tagged, "%s", name); | |
22410549 | 475 | return options->walk(tag->tagged, OBJ_ANY, data, options); |
355885d5 MK |
476 | } |
477 | ||
22410549 | 478 | int fsck_walk(struct object *obj, void *data, struct fsck_options *options) |
355885d5 MK |
479 | { |
480 | if (!obj) | |
481 | return -1; | |
a2b22854 JK |
482 | |
483 | if (obj->type == OBJ_NONE) | |
109cd76d | 484 | parse_object(the_repository, &obj->oid); |
a2b22854 | 485 | |
355885d5 MK |
486 | switch (obj->type) { |
487 | case OBJ_BLOB: | |
488 | return 0; | |
489 | case OBJ_TREE: | |
22410549 | 490 | return fsck_walk_tree((struct tree *)obj, data, options); |
355885d5 | 491 | case OBJ_COMMIT: |
22410549 | 492 | return fsck_walk_commit((struct commit *)obj, data, options); |
355885d5 | 493 | case OBJ_TAG: |
22410549 | 494 | return fsck_walk_tag((struct tag *)obj, data, options); |
355885d5 | 495 | default: |
90cf590f | 496 | error("Unknown object type for %s", describe_object(options, obj)); |
355885d5 MK |
497 | return -1; |
498 | } | |
499 | } | |
ba002f3b MK |
500 | |
501 | /* | |
502 | * The entries in a tree are ordered in the _path_ order, | |
503 | * which means that a directory entry is ordered by adding | |
504 | * a slash to the end of it. | |
505 | * | |
506 | * So a directory called "a" is ordered _after_ a file | |
507 | * called "a.c", because "a/" sorts after "a.c". | |
508 | */ | |
509 | #define TREE_UNORDERED (-1) | |
510 | #define TREE_HAS_DUPS (-2) | |
511 | ||
512 | static int verify_ordered(unsigned mode1, const char *name1, unsigned mode2, const char *name2) | |
513 | { | |
514 | int len1 = strlen(name1); | |
515 | int len2 = strlen(name2); | |
516 | int len = len1 < len2 ? len1 : len2; | |
517 | unsigned char c1, c2; | |
518 | int cmp; | |
519 | ||
520 | cmp = memcmp(name1, name2, len); | |
521 | if (cmp < 0) | |
522 | return 0; | |
523 | if (cmp > 0) | |
524 | return TREE_UNORDERED; | |
525 | ||
526 | /* | |
527 | * Ok, the first <len> characters are the same. | |
528 | * Now we need to order the next one, but turn | |
529 | * a '\0' into a '/' for a directory entry. | |
530 | */ | |
531 | c1 = name1[len]; | |
532 | c2 = name2[len]; | |
533 | if (!c1 && !c2) | |
534 | /* | |
535 | * git-write-tree used to write out a nonsense tree that has | |
536 | * entries with the same name, one blob and one tree. Make | |
537 | * sure we do not have duplicate entries. | |
538 | */ | |
539 | return TREE_HAS_DUPS; | |
540 | if (!c1 && S_ISDIR(mode1)) | |
541 | c1 = '/'; | |
542 | if (!c2 && S_ISDIR(mode2)) | |
543 | c2 = '/'; | |
544 | return c1 < c2 ? 0 : TREE_UNORDERED; | |
545 | } | |
546 | ||
22410549 | 547 | static int fsck_tree(struct tree *item, struct fsck_options *options) |
ba002f3b | 548 | { |
8354fa3d | 549 | int retval = 0; |
c479d14a | 550 | int has_null_sha1 = 0; |
ba002f3b MK |
551 | int has_full_path = 0; |
552 | int has_empty_name = 0; | |
5d34a435 JK |
553 | int has_dot = 0; |
554 | int has_dotdot = 0; | |
5c17f512 | 555 | int has_dotgit = 0; |
ba002f3b MK |
556 | int has_zero_pad = 0; |
557 | int has_bad_modes = 0; | |
558 | int has_dup_entries = 0; | |
559 | int not_properly_sorted = 0; | |
560 | struct tree_desc desc; | |
561 | unsigned o_mode; | |
562 | const char *o_name; | |
ba002f3b | 563 | |
8354fa3d DT |
564 | if (init_tree_desc_gently(&desc, item->buffer, item->size)) { |
565 | retval += report(options, &item->object, FSCK_MSG_BAD_TREE, "cannot be parsed as a tree"); | |
566 | return retval; | |
567 | } | |
ba002f3b MK |
568 | |
569 | o_mode = 0; | |
570 | o_name = NULL; | |
ba002f3b MK |
571 | |
572 | while (desc.size) { | |
5ec1e728 | 573 | unsigned short mode; |
288a74bc | 574 | const char *name, *backslash; |
ce6663a9 | 575 | const struct object_id *oid; |
ba002f3b | 576 | |
ce6663a9 | 577 | oid = tree_entry_extract(&desc, &name, &mode); |
ba002f3b | 578 | |
ce6663a9 | 579 | has_null_sha1 |= is_null_oid(oid); |
effd12ec HS |
580 | has_full_path |= !!strchr(name, '/'); |
581 | has_empty_name |= !*name; | |
582 | has_dot |= !strcmp(name, "."); | |
583 | has_dotdot |= !strcmp(name, ".."); | |
ed9c3220 | 584 | has_dotgit |= is_hfs_dotgit(name) || is_ntfs_dotgit(name); |
ba002f3b | 585 | has_zero_pad |= *(char *)desc.buffer == '0'; |
159e7b08 | 586 | |
b7b1fca1 JK |
587 | if (is_hfs_dotgitmodules(name) || is_ntfs_dotgitmodules(name)) { |
588 | if (!S_ISLNK(mode)) | |
589 | oidset_insert(&gitmodules_found, oid); | |
590 | else | |
591 | retval += report(options, &item->object, | |
592 | FSCK_MSG_GITMODULES_SYMLINK, | |
593 | ".gitmodules is a symbolic link"); | |
594 | } | |
159e7b08 | 595 | |
288a74bc JS |
596 | if ((backslash = strchr(name, '\\'))) { |
597 | while (backslash) { | |
598 | backslash++; | |
599 | has_dotgit |= is_ntfs_dotgit(backslash); | |
bdfef049 JS |
600 | if (is_ntfs_dotgitmodules(backslash)) { |
601 | if (!S_ISLNK(mode)) | |
602 | oidset_insert(&gitmodules_found, oid); | |
603 | else | |
604 | retval += report(options, &item->object, | |
605 | FSCK_MSG_GITMODULES_SYMLINK, | |
606 | ".gitmodules is a symbolic link"); | |
607 | } | |
288a74bc JS |
608 | backslash = strchr(backslash, '\\'); |
609 | } | |
610 | } | |
611 | ||
8354fa3d DT |
612 | if (update_tree_entry_gently(&desc)) { |
613 | retval += report(options, &item->object, FSCK_MSG_BAD_TREE, "cannot be parsed as a tree"); | |
614 | break; | |
615 | } | |
ba002f3b MK |
616 | |
617 | switch (mode) { | |
618 | /* | |
619 | * Standard modes.. | |
620 | */ | |
621 | case S_IFREG | 0755: | |
622 | case S_IFREG | 0644: | |
623 | case S_IFLNK: | |
624 | case S_IFDIR: | |
625 | case S_IFGITLINK: | |
626 | break; | |
627 | /* | |
628 | * This is nonstandard, but we had a few of these | |
629 | * early on when we honored the full set of mode | |
630 | * bits.. | |
631 | */ | |
632 | case S_IFREG | 0664: | |
22410549 | 633 | if (!options->strict) |
ba002f3b | 634 | break; |
1cf01a34 | 635 | /* fallthrough */ |
ba002f3b MK |
636 | default: |
637 | has_bad_modes = 1; | |
638 | } | |
639 | ||
640 | if (o_name) { | |
641 | switch (verify_ordered(o_mode, o_name, mode, name)) { | |
642 | case TREE_UNORDERED: | |
643 | not_properly_sorted = 1; | |
644 | break; | |
645 | case TREE_HAS_DUPS: | |
646 | has_dup_entries = 1; | |
647 | break; | |
648 | default: | |
649 | break; | |
650 | } | |
651 | } | |
652 | ||
653 | o_mode = mode; | |
654 | o_name = name; | |
ba002f3b MK |
655 | } |
656 | ||
c479d14a | 657 | if (has_null_sha1) |
c99ba492 | 658 | retval += report(options, &item->object, FSCK_MSG_NULL_SHA1, "contains entries pointing to null sha1"); |
ba002f3b | 659 | if (has_full_path) |
c99ba492 | 660 | retval += report(options, &item->object, FSCK_MSG_FULL_PATHNAME, "contains full pathnames"); |
ba002f3b | 661 | if (has_empty_name) |
c99ba492 | 662 | retval += report(options, &item->object, FSCK_MSG_EMPTY_NAME, "contains empty pathname"); |
5d34a435 | 663 | if (has_dot) |
c99ba492 | 664 | retval += report(options, &item->object, FSCK_MSG_HAS_DOT, "contains '.'"); |
5d34a435 | 665 | if (has_dotdot) |
c99ba492 | 666 | retval += report(options, &item->object, FSCK_MSG_HAS_DOTDOT, "contains '..'"); |
5c17f512 | 667 | if (has_dotgit) |
c99ba492 | 668 | retval += report(options, &item->object, FSCK_MSG_HAS_DOTGIT, "contains '.git'"); |
ba002f3b | 669 | if (has_zero_pad) |
c99ba492 | 670 | retval += report(options, &item->object, FSCK_MSG_ZERO_PADDED_FILEMODE, "contains zero-padded file modes"); |
ba002f3b | 671 | if (has_bad_modes) |
c99ba492 | 672 | retval += report(options, &item->object, FSCK_MSG_BAD_FILEMODE, "contains bad file modes"); |
ba002f3b | 673 | if (has_dup_entries) |
c99ba492 | 674 | retval += report(options, &item->object, FSCK_MSG_DUPLICATE_ENTRIES, "contains duplicate file entries"); |
ba002f3b | 675 | if (not_properly_sorted) |
c99ba492 | 676 | retval += report(options, &item->object, FSCK_MSG_TREE_NOT_SORTED, "not properly sorted"); |
ba002f3b MK |
677 | return retval; |
678 | } | |
679 | ||
84d18c0b | 680 | static int verify_headers(const void *data, unsigned long size, |
b2f44feb | 681 | struct object *obj, struct fsck_options *options) |
4d0d8975 JS |
682 | { |
683 | const char *buffer = (const char *)data; | |
684 | unsigned long i; | |
685 | ||
686 | for (i = 0; i < size; i++) { | |
687 | switch (buffer[i]) { | |
688 | case '\0': | |
c99ba492 JS |
689 | return report(options, obj, |
690 | FSCK_MSG_NUL_IN_HEADER, | |
691 | "unterminated header: NUL at offset %ld", i); | |
4d0d8975 JS |
692 | case '\n': |
693 | if (i + 1 < size && buffer[i + 1] == '\n') | |
694 | return 0; | |
695 | } | |
696 | } | |
697 | ||
84d18c0b JH |
698 | /* |
699 | * We did not find double-LF that separates the header | |
700 | * and the body. Not having a body is not a crime but | |
701 | * we do want to see the terminating LF for the last header | |
702 | * line. | |
703 | */ | |
704 | if (size && buffer[size - 1] == '\n') | |
705 | return 0; | |
706 | ||
c99ba492 JS |
707 | return report(options, obj, |
708 | FSCK_MSG_UNTERMINATED_HEADER, "unterminated header"); | |
4d0d8975 JS |
709 | } |
710 | ||
22410549 | 711 | static int fsck_ident(const char **ident, struct object *obj, struct fsck_options *options) |
daae1922 | 712 | { |
e6826e33 | 713 | const char *p = *ident; |
d4b8de04 JK |
714 | char *end; |
715 | ||
e6826e33 JS |
716 | *ident = strchrnul(*ident, '\n'); |
717 | if (**ident == '\n') | |
718 | (*ident)++; | |
719 | ||
720 | if (*p == '<') | |
c99ba492 | 721 | return report(options, obj, FSCK_MSG_MISSING_NAME_BEFORE_EMAIL, "invalid author/committer line - missing space before email"); |
e6826e33 JS |
722 | p += strcspn(p, "<>\n"); |
723 | if (*p == '>') | |
c99ba492 | 724 | return report(options, obj, FSCK_MSG_BAD_NAME, "invalid author/committer line - bad name"); |
e6826e33 | 725 | if (*p != '<') |
c99ba492 | 726 | return report(options, obj, FSCK_MSG_MISSING_EMAIL, "invalid author/committer line - missing email"); |
e6826e33 | 727 | if (p[-1] != ' ') |
c99ba492 | 728 | return report(options, obj, FSCK_MSG_MISSING_SPACE_BEFORE_EMAIL, "invalid author/committer line - missing space before email"); |
e6826e33 JS |
729 | p++; |
730 | p += strcspn(p, "<>\n"); | |
731 | if (*p != '>') | |
c99ba492 | 732 | return report(options, obj, FSCK_MSG_BAD_EMAIL, "invalid author/committer line - bad email"); |
e6826e33 JS |
733 | p++; |
734 | if (*p != ' ') | |
c99ba492 | 735 | return report(options, obj, FSCK_MSG_MISSING_SPACE_BEFORE_DATE, "invalid author/committer line - missing space before date"); |
e6826e33 JS |
736 | p++; |
737 | if (*p == '0' && p[1] != ' ') | |
c99ba492 | 738 | return report(options, obj, FSCK_MSG_ZERO_PADDED_DATE, "invalid author/committer line - zero-padded date"); |
1aeb7e75 | 739 | if (date_overflows(parse_timestamp(p, &end, 10))) |
c99ba492 | 740 | return report(options, obj, FSCK_MSG_BAD_DATE_OVERFLOW, "invalid author/committer line - date causes integer overflow"); |
e6826e33 | 741 | if ((end == p || *end != ' ')) |
c99ba492 | 742 | return report(options, obj, FSCK_MSG_BAD_DATE, "invalid author/committer line - bad date"); |
e6826e33 JS |
743 | p = end + 1; |
744 | if ((*p != '+' && *p != '-') || | |
745 | !isdigit(p[1]) || | |
746 | !isdigit(p[2]) || | |
747 | !isdigit(p[3]) || | |
748 | !isdigit(p[4]) || | |
749 | (p[5] != '\n')) | |
c99ba492 | 750 | return report(options, obj, FSCK_MSG_BAD_TIMEZONE, "invalid author/committer line - bad time zone"); |
e6826e33 | 751 | p += 6; |
daae1922 JN |
752 | return 0; |
753 | } | |
754 | ||
bc6b8fc1 | 755 | static int fsck_commit_buffer(struct commit *commit, const char *buffer, |
22410549 | 756 | unsigned long size, struct fsck_options *options) |
ba002f3b | 757 | { |
c54f5ca9 | 758 | struct object_id tree_oid, oid; |
ba002f3b | 759 | struct commit_graft *graft; |
c9ad147f | 760 | unsigned parent_count, parent_line_count = 0, author_count; |
daae1922 | 761 | int err; |
6d2d780f | 762 | const char *buffer_begin = buffer; |
c54f5ca9 | 763 | const char *p; |
ba002f3b | 764 | |
b2f44feb | 765 | if (verify_headers(buffer, size, &commit->object, options)) |
4d0d8975 JS |
766 | return -1; |
767 | ||
cf4fff57 | 768 | if (!skip_prefix(buffer, "tree ", &buffer)) |
c99ba492 | 769 | return report(options, &commit->object, FSCK_MSG_MISSING_TREE, "invalid format - expected 'tree' line"); |
c54f5ca9 | 770 | if (parse_oid_hex(buffer, &tree_oid, &p) || *p != '\n') { |
b3584761 JS |
771 | err = report(options, &commit->object, FSCK_MSG_BAD_TREE_SHA1, "invalid 'tree' line format - bad sha1"); |
772 | if (err) | |
773 | return err; | |
774 | } | |
c54f5ca9 | 775 | buffer = p + 1; |
cf4fff57 | 776 | while (skip_prefix(buffer, "parent ", &buffer)) { |
c54f5ca9 | 777 | if (parse_oid_hex(buffer, &oid, &p) || *p != '\n') { |
b3584761 JS |
778 | err = report(options, &commit->object, FSCK_MSG_BAD_PARENT_SHA1, "invalid 'parent' line format - bad sha1"); |
779 | if (err) | |
780 | return err; | |
781 | } | |
c54f5ca9 | 782 | buffer = p + 1; |
9d02150c | 783 | parent_line_count++; |
ba002f3b | 784 | } |
1f93ecd1 | 785 | graft = lookup_commit_graft(the_repository, &commit->object.oid); |
9d02150c | 786 | parent_count = commit_list_count(commit->parents); |
ba002f3b | 787 | if (graft) { |
9d02150c | 788 | if (graft->nr_parent == -1 && !parent_count) |
ba002f3b | 789 | ; /* shallow commit */ |
b3584761 JS |
790 | else if (graft->nr_parent != parent_count) { |
791 | err = report(options, &commit->object, FSCK_MSG_MISSING_GRAFT, "graft objects missing"); | |
792 | if (err) | |
793 | return err; | |
794 | } | |
ba002f3b | 795 | } else { |
b3584761 JS |
796 | if (parent_count != parent_line_count) { |
797 | err = report(options, &commit->object, FSCK_MSG_MISSING_PARENT, "parent objects missing"); | |
798 | if (err) | |
799 | return err; | |
800 | } | |
ba002f3b | 801 | } |
c9ad147f JS |
802 | author_count = 0; |
803 | while (skip_prefix(buffer, "author ", &buffer)) { | |
804 | author_count++; | |
805 | err = fsck_ident(&buffer, &commit->object, options); | |
806 | if (err) | |
807 | return err; | |
ba002f3b | 808 | } |
c9ad147f JS |
809 | if (author_count < 1) |
810 | err = report(options, &commit->object, FSCK_MSG_MISSING_AUTHOR, "invalid format - expected 'author' line"); | |
811 | else if (author_count > 1) | |
812 | err = report(options, &commit->object, FSCK_MSG_MULTIPLE_AUTHORS, "invalid format - multiple 'author' lines"); | |
daae1922 JN |
813 | if (err) |
814 | return err; | |
cf4fff57 | 815 | if (!skip_prefix(buffer, "committer ", &buffer)) |
c99ba492 | 816 | return report(options, &commit->object, FSCK_MSG_MISSING_COMMITTER, "invalid format - expected 'committer' line"); |
22410549 | 817 | err = fsck_ident(&buffer, &commit->object, options); |
daae1922 JN |
818 | if (err) |
819 | return err; | |
2e27bd77 | 820 | if (!get_commit_tree(commit)) { |
c54f5ca9 | 821 | err = report(options, &commit->object, FSCK_MSG_BAD_TREE, "could not load commit's tree %s", oid_to_hex(&tree_oid)); |
5af29718 JH |
822 | if (err) |
823 | return err; | |
824 | } | |
6d2d780f JH |
825 | if (memchr(buffer_begin, '\0', size)) { |
826 | err = report(options, &commit->object, FSCK_MSG_NUL_IN_COMMIT, | |
827 | "NUL byte in the commit object body"); | |
828 | if (err) | |
829 | return err; | |
830 | } | |
ba002f3b MK |
831 | return 0; |
832 | } | |
833 | ||
90a398bb | 834 | static int fsck_commit(struct commit *commit, const char *data, |
22410549 | 835 | unsigned long size, struct fsck_options *options) |
bc6b8fc1 | 836 | { |
90a398bb | 837 | const char *buffer = data ? data : get_commit_buffer(commit, &size); |
22410549 | 838 | int ret = fsck_commit_buffer(commit, buffer, size, options); |
90a398bb JS |
839 | if (!data) |
840 | unuse_commit_buffer(commit, buffer); | |
bc6b8fc1 JK |
841 | return ret; |
842 | } | |
843 | ||
cec097be | 844 | static int fsck_tag_buffer(struct tag *tag, const char *data, |
22410549 | 845 | unsigned long size, struct fsck_options *options) |
cec097be | 846 | { |
c54f5ca9 | 847 | struct object_id oid; |
cec097be JS |
848 | int ret = 0; |
849 | const char *buffer; | |
850 | char *to_free = NULL, *eol; | |
851 | struct strbuf sb = STRBUF_INIT; | |
c54f5ca9 | 852 | const char *p; |
cec097be JS |
853 | |
854 | if (data) | |
855 | buffer = data; | |
856 | else { | |
857 | enum object_type type; | |
858 | ||
859 | buffer = to_free = | |
b4f5aca4 | 860 | read_object_file(&tag->object.oid, &type, &size); |
cec097be | 861 | if (!buffer) |
c99ba492 JS |
862 | return report(options, &tag->object, |
863 | FSCK_MSG_MISSING_TAG_OBJECT, | |
cec097be JS |
864 | "cannot read tag object"); |
865 | ||
866 | if (type != OBJ_TAG) { | |
c99ba492 JS |
867 | ret = report(options, &tag->object, |
868 | FSCK_MSG_TAG_OBJECT_NOT_TAG, | |
cec097be | 869 | "expected tag got %s", |
debca9d2 | 870 | type_name(type)); |
cec097be JS |
871 | goto done; |
872 | } | |
873 | } | |
874 | ||
8a272f29 RS |
875 | ret = verify_headers(buffer, size, &tag->object, options); |
876 | if (ret) | |
cec097be JS |
877 | goto done; |
878 | ||
879 | if (!skip_prefix(buffer, "object ", &buffer)) { | |
c99ba492 | 880 | ret = report(options, &tag->object, FSCK_MSG_MISSING_OBJECT, "invalid format - expected 'object' line"); |
cec097be JS |
881 | goto done; |
882 | } | |
c54f5ca9 | 883 | if (parse_oid_hex(buffer, &oid, &p) || *p != '\n') { |
c99ba492 | 884 | ret = report(options, &tag->object, FSCK_MSG_BAD_OBJECT_SHA1, "invalid 'object' line format - bad sha1"); |
7d7d5b05 JS |
885 | if (ret) |
886 | goto done; | |
cec097be | 887 | } |
c54f5ca9 | 888 | buffer = p + 1; |
cec097be JS |
889 | |
890 | if (!skip_prefix(buffer, "type ", &buffer)) { | |
c99ba492 | 891 | ret = report(options, &tag->object, FSCK_MSG_MISSING_TYPE_ENTRY, "invalid format - expected 'type' line"); |
cec097be JS |
892 | goto done; |
893 | } | |
894 | eol = strchr(buffer, '\n'); | |
895 | if (!eol) { | |
c99ba492 | 896 | ret = report(options, &tag->object, FSCK_MSG_MISSING_TYPE, "invalid format - unexpected end after 'type' line"); |
cec097be JS |
897 | goto done; |
898 | } | |
899 | if (type_from_string_gently(buffer, eol - buffer, 1) < 0) | |
c99ba492 | 900 | ret = report(options, &tag->object, FSCK_MSG_BAD_TYPE, "invalid 'type' value"); |
cec097be JS |
901 | if (ret) |
902 | goto done; | |
903 | buffer = eol + 1; | |
904 | ||
905 | if (!skip_prefix(buffer, "tag ", &buffer)) { | |
c99ba492 | 906 | ret = report(options, &tag->object, FSCK_MSG_MISSING_TAG_ENTRY, "invalid format - expected 'tag' line"); |
cec097be JS |
907 | goto done; |
908 | } | |
909 | eol = strchr(buffer, '\n'); | |
910 | if (!eol) { | |
c99ba492 | 911 | ret = report(options, &tag->object, FSCK_MSG_MISSING_TAG, "invalid format - unexpected end after 'type' line"); |
cec097be JS |
912 | goto done; |
913 | } | |
914 | strbuf_addf(&sb, "refs/tags/%.*s", (int)(eol - buffer), buffer); | |
f27d05b1 JS |
915 | if (check_refname_format(sb.buf, 0)) { |
916 | ret = report(options, &tag->object, FSCK_MSG_BAD_TAG_NAME, | |
c99ba492 | 917 | "invalid 'tag' name: %.*s", |
7add4419 | 918 | (int)(eol - buffer), buffer); |
f27d05b1 JS |
919 | if (ret) |
920 | goto done; | |
921 | } | |
cec097be JS |
922 | buffer = eol + 1; |
923 | ||
f27d05b1 | 924 | if (!skip_prefix(buffer, "tagger ", &buffer)) { |
cec097be | 925 | /* early tags do not contain 'tagger' lines; warn only */ |
f27d05b1 JS |
926 | ret = report(options, &tag->object, FSCK_MSG_MISSING_TAGGER_ENTRY, "invalid format - expected 'tagger' line"); |
927 | if (ret) | |
928 | goto done; | |
929 | } | |
cec097be | 930 | else |
22410549 | 931 | ret = fsck_ident(&buffer, &tag->object, options); |
cec097be JS |
932 | |
933 | done: | |
934 | strbuf_release(&sb); | |
935 | free(to_free); | |
936 | return ret; | |
937 | } | |
938 | ||
90a398bb | 939 | static int fsck_tag(struct tag *tag, const char *data, |
22410549 | 940 | unsigned long size, struct fsck_options *options) |
ba002f3b MK |
941 | { |
942 | struct object *tagged = tag->tagged; | |
943 | ||
944 | if (!tagged) | |
c99ba492 | 945 | return report(options, &tag->object, FSCK_MSG_BAD_TAG_OBJECT, "could not load tagged object"); |
cec097be | 946 | |
22410549 | 947 | return fsck_tag_buffer(tag, data, size, options); |
ba002f3b MK |
948 | } |
949 | ||
ed8b10f6 JK |
950 | struct fsck_gitmodules_data { |
951 | struct object *obj; | |
952 | struct fsck_options *options; | |
953 | int ret; | |
954 | }; | |
955 | ||
956 | static int fsck_gitmodules_fn(const char *var, const char *value, void *vdata) | |
957 | { | |
958 | struct fsck_gitmodules_data *data = vdata; | |
959 | const char *subsection, *key; | |
960 | int subsection_len; | |
961 | char *name; | |
962 | ||
963 | if (parse_config_key(var, "submodule", &subsection, &subsection_len, &key) < 0 || | |
964 | !subsection) | |
965 | return 0; | |
966 | ||
967 | name = xmemdupz(subsection, subsection_len); | |
968 | if (check_submodule_name(name) < 0) | |
969 | data->ret |= report(data->options, data->obj, | |
970 | FSCK_MSG_GITMODULES_NAME, | |
971 | "disallowed submodule name: %s", | |
972 | name); | |
a124133e JK |
973 | if (!strcmp(key, "url") && value && |
974 | looks_like_command_line_option(value)) | |
975 | data->ret |= report(data->options, data->obj, | |
976 | FSCK_MSG_GITMODULES_URL, | |
977 | "disallowed submodule url: %s", | |
978 | value); | |
1a7fd1fb JK |
979 | if (!strcmp(key, "path") && value && |
980 | looks_like_command_line_option(value)) | |
981 | data->ret |= report(data->options, data->obj, | |
982 | FSCK_MSG_GITMODULES_PATH, | |
983 | "disallowed submodule path: %s", | |
984 | value); | |
bb92255e JN |
985 | if (!strcmp(key, "update") && value && |
986 | parse_submodule_update_type(value) == SM_UPDATE_COMMAND) | |
987 | data->ret |= report(data->options, data->obj, | |
988 | FSCK_MSG_GITMODULES_UPDATE, | |
989 | "disallowed submodule update setting: %s", | |
990 | value); | |
ed8b10f6 JK |
991 | free(name); |
992 | ||
993 | return 0; | |
994 | } | |
995 | ||
7ac4f3a0 JK |
996 | static int fsck_blob(struct blob *blob, const char *buf, |
997 | unsigned long size, struct fsck_options *options) | |
998 | { | |
ed8b10f6 | 999 | struct fsck_gitmodules_data data; |
de6bd9e3 | 1000 | struct config_options config_opts = { 0 }; |
ed8b10f6 JK |
1001 | |
1002 | if (!oidset_contains(&gitmodules_found, &blob->object.oid)) | |
1003 | return 0; | |
1004 | oidset_insert(&gitmodules_done, &blob->object.oid); | |
1005 | ||
fb162877 RJ |
1006 | if (object_on_skiplist(options, &blob->object)) |
1007 | return 0; | |
1008 | ||
ed8b10f6 JK |
1009 | if (!buf) { |
1010 | /* | |
1011 | * A missing buffer here is a sign that the caller found the | |
1012 | * blob too gigantic to load into memory. Let's just consider | |
1013 | * that an error. | |
1014 | */ | |
1015 | return report(options, &blob->object, | |
0d68764d | 1016 | FSCK_MSG_GITMODULES_LARGE, |
ed8b10f6 JK |
1017 | ".gitmodules too large to parse"); |
1018 | } | |
1019 | ||
1020 | data.obj = &blob->object; | |
1021 | data.options = options; | |
1022 | data.ret = 0; | |
de6bd9e3 | 1023 | config_opts.error_action = CONFIG_ERROR_SILENT; |
ed8b10f6 | 1024 | if (git_config_from_mem(fsck_gitmodules_fn, CONFIG_ORIGIN_BLOB, |
de6bd9e3 | 1025 | ".gitmodules", buf, size, &data, &config_opts)) |
ed8b10f6 JK |
1026 | data.ret |= report(options, &blob->object, |
1027 | FSCK_MSG_GITMODULES_PARSE, | |
1028 | "could not parse gitmodules blob"); | |
1029 | ||
1030 | return data.ret; | |
7ac4f3a0 JK |
1031 | } |
1032 | ||
90a398bb | 1033 | int fsck_object(struct object *obj, void *data, unsigned long size, |
22410549 | 1034 | struct fsck_options *options) |
ba002f3b MK |
1035 | { |
1036 | if (!obj) | |
c99ba492 | 1037 | return report(options, obj, FSCK_MSG_BAD_OBJECT_SHA1, "no valid object to fsck"); |
ba002f3b MK |
1038 | |
1039 | if (obj->type == OBJ_BLOB) | |
7ac4f3a0 | 1040 | return fsck_blob((struct blob *)obj, data, size, options); |
ba002f3b | 1041 | if (obj->type == OBJ_TREE) |
22410549 | 1042 | return fsck_tree((struct tree *) obj, options); |
ba002f3b | 1043 | if (obj->type == OBJ_COMMIT) |
90a398bb | 1044 | return fsck_commit((struct commit *) obj, (const char *) data, |
22410549 | 1045 | size, options); |
ba002f3b | 1046 | if (obj->type == OBJ_TAG) |
90a398bb | 1047 | return fsck_tag((struct tag *) obj, (const char *) data, |
22410549 | 1048 | size, options); |
ba002f3b | 1049 | |
c99ba492 | 1050 | return report(options, obj, FSCK_MSG_UNKNOWN_TYPE, "unknown type '%d' (internal fsck error)", |
ba002f3b MK |
1051 | obj->type); |
1052 | } | |
d6ffc8d7 | 1053 | |
1cd772cc JS |
1054 | int fsck_error_function(struct fsck_options *o, |
1055 | struct object *obj, int msg_type, const char *message) | |
d6ffc8d7 | 1056 | { |
0282f4dc | 1057 | if (msg_type == FSCK_WARN) { |
90cf590f | 1058 | warning("object %s: %s", describe_object(o, obj), message); |
0282f4dc JS |
1059 | return 0; |
1060 | } | |
90cf590f | 1061 | error("object %s: %s", describe_object(o, obj), message); |
d6ffc8d7 MK |
1062 | return 1; |
1063 | } | |
159e7b08 JK |
1064 | |
1065 | int fsck_finish(struct fsck_options *options) | |
1066 | { | |
1067 | int ret = 0; | |
1068 | struct oidset_iter iter; | |
1069 | const struct object_id *oid; | |
1070 | ||
1071 | oidset_iter_init(&gitmodules_found, &iter); | |
1072 | while ((oid = oidset_iter_next(&iter))) { | |
1073 | struct blob *blob; | |
1074 | enum object_type type; | |
1075 | unsigned long size; | |
1076 | char *buf; | |
1077 | ||
1078 | if (oidset_contains(&gitmodules_done, oid)) | |
1079 | continue; | |
1080 | ||
da14a7ff | 1081 | blob = lookup_blob(the_repository, oid); |
159e7b08 | 1082 | if (!blob) { |
0ebbcf70 | 1083 | struct object *obj = lookup_unknown_object(oid); |
47cc9131 | 1084 | ret |= report(options, obj, |
159e7b08 JK |
1085 | FSCK_MSG_GITMODULES_BLOB, |
1086 | "non-blob found at .gitmodules"); | |
1087 | continue; | |
1088 | } | |
1089 | ||
7913f53b | 1090 | buf = read_object_file(oid, &type, &size); |
159e7b08 | 1091 | if (!buf) { |
27387444 JK |
1092 | if (is_promisor_object(&blob->object.oid)) |
1093 | continue; | |
159e7b08 JK |
1094 | ret |= report(options, &blob->object, |
1095 | FSCK_MSG_GITMODULES_MISSING, | |
1096 | "unable to read .gitmodules blob"); | |
1097 | continue; | |
1098 | } | |
1099 | ||
1100 | if (type == OBJ_BLOB) | |
1101 | ret |= fsck_blob(blob, buf, size, options); | |
1102 | else | |
1103 | ret |= report(options, &blob->object, | |
1104 | FSCK_MSG_GITMODULES_BLOB, | |
1105 | "non-blob found at .gitmodules"); | |
1106 | free(buf); | |
1107 | } | |
1108 | ||
1109 | ||
1110 | oidset_clear(&gitmodules_found); | |
1111 | oidset_clear(&gitmodules_done); | |
1112 | return ret; | |
1113 | } |