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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) \ | |
c99ba492 JS |
46 | FUNC(MISSING_NAME_BEFORE_EMAIL, ERROR) \ |
47 | FUNC(MISSING_OBJECT, ERROR) \ | |
c99ba492 JS |
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) \ | |
c99ba492 | 52 | FUNC(MISSING_TREE, ERROR) \ |
159e7b08 | 53 | FUNC(MISSING_TREE_OBJECT, ERROR) \ |
c99ba492 JS |
54 | FUNC(MISSING_TYPE, ERROR) \ |
55 | FUNC(MISSING_TYPE_ENTRY, ERROR) \ | |
c9ad147f | 56 | FUNC(MULTIPLE_AUTHORS, ERROR) \ |
c99ba492 JS |
57 | FUNC(TREE_NOT_SORTED, ERROR) \ |
58 | FUNC(UNKNOWN_TYPE, ERROR) \ | |
c99ba492 | 59 | FUNC(ZERO_PADDED_DATE, ERROR) \ |
159e7b08 JK |
60 | FUNC(GITMODULES_MISSING, ERROR) \ |
61 | FUNC(GITMODULES_BLOB, ERROR) \ | |
0d68764d | 62 | FUNC(GITMODULES_LARGE, ERROR) \ |
ed8b10f6 | 63 | FUNC(GITMODULES_NAME, ERROR) \ |
b7b1fca1 | 64 | FUNC(GITMODULES_SYMLINK, ERROR) \ |
a124133e | 65 | FUNC(GITMODULES_URL, ERROR) \ |
1a7fd1fb | 66 | FUNC(GITMODULES_PATH, ERROR) \ |
bb92255e | 67 | FUNC(GITMODULES_UPDATE, ERROR) \ |
c99ba492 JS |
68 | /* warnings */ \ |
69 | FUNC(BAD_FILEMODE, WARN) \ | |
c99ba492 JS |
70 | FUNC(EMPTY_NAME, WARN) \ |
71 | FUNC(FULL_PATHNAME, WARN) \ | |
72 | FUNC(HAS_DOT, WARN) \ | |
73 | FUNC(HAS_DOTDOT, WARN) \ | |
74 | FUNC(HAS_DOTGIT, WARN) \ | |
c99ba492 | 75 | FUNC(NULL_SHA1, WARN) \ |
f27d05b1 | 76 | FUNC(ZERO_PADDED_FILEMODE, WARN) \ |
6d2d780f | 77 | FUNC(NUL_IN_COMMIT, WARN) \ |
f27d05b1 | 78 | /* infos (reported as warnings, but ignored by default) */ \ |
64eb14d3 | 79 | FUNC(GITMODULES_PARSE, INFO) \ |
f27d05b1 JS |
80 | FUNC(BAD_TAG_NAME, INFO) \ |
81 | FUNC(MISSING_TAGGER_ENTRY, INFO) | |
c99ba492 JS |
82 | |
83 | #define MSG_ID(id, msg_type) FSCK_MSG_##id, | |
84 | enum fsck_msg_id { | |
85 | FOREACH_MSG_ID(MSG_ID) | |
86 | FSCK_MSG_MAX | |
87 | }; | |
88 | #undef MSG_ID | |
89 | ||
f417eed8 | 90 | #define STR(x) #x |
a4a9cc19 | 91 | #define MSG_ID(id, msg_type) { STR(id), NULL, NULL, FSCK_##msg_type }, |
c99ba492 | 92 | static struct { |
f417eed8 JS |
93 | const char *id_string; |
94 | const char *downcased; | |
a4a9cc19 | 95 | const char *camelcased; |
c99ba492 JS |
96 | int msg_type; |
97 | } msg_id_info[FSCK_MSG_MAX + 1] = { | |
98 | FOREACH_MSG_ID(MSG_ID) | |
a4a9cc19 | 99 | { NULL, NULL, NULL, -1 } |
c99ba492 JS |
100 | }; |
101 | #undef MSG_ID | |
102 | ||
a46baac6 | 103 | static void prepare_msg_ids(void) |
f417eed8 JS |
104 | { |
105 | int i; | |
106 | ||
a46baac6 NTND |
107 | if (msg_id_info[0].downcased) |
108 | return; | |
109 | ||
110 | /* convert id_string to lower case, without underscores. */ | |
111 | for (i = 0; i < FSCK_MSG_MAX; i++) { | |
112 | const char *p = msg_id_info[i].id_string; | |
113 | int len = strlen(p); | |
114 | char *q = xmalloc(len); | |
115 | ||
116 | msg_id_info[i].downcased = q; | |
117 | while (*p) | |
118 | if (*p == '_') | |
119 | p++; | |
120 | else | |
121 | *(q)++ = tolower(*(p)++); | |
122 | *q = '\0'; | |
a4a9cc19 NTND |
123 | |
124 | p = msg_id_info[i].id_string; | |
125 | q = xmalloc(len); | |
126 | msg_id_info[i].camelcased = q; | |
127 | while (*p) { | |
128 | if (*p == '_') { | |
129 | p++; | |
130 | if (*p) | |
131 | *q++ = *p++; | |
132 | } else { | |
133 | *q++ = tolower(*p++); | |
134 | } | |
f417eed8 | 135 | } |
a4a9cc19 | 136 | *q = '\0'; |
f417eed8 | 137 | } |
a46baac6 NTND |
138 | } |
139 | ||
140 | static int parse_msg_id(const char *text) | |
141 | { | |
142 | int i; | |
143 | ||
144 | prepare_msg_ids(); | |
f417eed8 JS |
145 | |
146 | for (i = 0; i < FSCK_MSG_MAX; i++) | |
147 | if (!strcmp(text, msg_id_info[i].downcased)) | |
148 | return i; | |
149 | ||
150 | return -1; | |
151 | } | |
152 | ||
3ac68a93 NTND |
153 | void list_config_fsck_msg_ids(struct string_list *list, const char *prefix) |
154 | { | |
155 | int i; | |
156 | ||
157 | prepare_msg_ids(); | |
158 | ||
3ac68a93 | 159 | for (i = 0; i < FSCK_MSG_MAX; i++) |
a4a9cc19 | 160 | list_config_item(list, prefix, msg_id_info[i].camelcased); |
3ac68a93 NTND |
161 | } |
162 | ||
c99ba492 JS |
163 | static int fsck_msg_type(enum fsck_msg_id msg_id, |
164 | struct fsck_options *options) | |
165 | { | |
166 | int msg_type; | |
167 | ||
0282f4dc JS |
168 | assert(msg_id >= 0 && msg_id < FSCK_MSG_MAX); |
169 | ||
170 | if (options->msg_type) | |
171 | msg_type = options->msg_type[msg_id]; | |
172 | else { | |
173 | msg_type = msg_id_info[msg_id].msg_type; | |
174 | if (options->strict && msg_type == FSCK_WARN) | |
175 | msg_type = FSCK_ERROR; | |
176 | } | |
c99ba492 JS |
177 | |
178 | return msg_type; | |
179 | } | |
180 | ||
0282f4dc JS |
181 | static int parse_msg_type(const char *str) |
182 | { | |
183 | if (!strcmp(str, "error")) | |
184 | return FSCK_ERROR; | |
185 | else if (!strcmp(str, "warn")) | |
186 | return FSCK_WARN; | |
efaba7cc JS |
187 | else if (!strcmp(str, "ignore")) |
188 | return FSCK_IGNORE; | |
0282f4dc JS |
189 | else |
190 | die("Unknown fsck message type: '%s'", str); | |
191 | } | |
192 | ||
5d477a33 JS |
193 | int is_valid_msg_type(const char *msg_id, const char *msg_type) |
194 | { | |
195 | if (parse_msg_id(msg_id) < 0) | |
196 | return 0; | |
197 | parse_msg_type(msg_type); | |
198 | return 1; | |
199 | } | |
200 | ||
0282f4dc JS |
201 | void fsck_set_msg_type(struct fsck_options *options, |
202 | const char *msg_id, const char *msg_type) | |
203 | { | |
204 | int id = parse_msg_id(msg_id), type; | |
205 | ||
206 | if (id < 0) | |
207 | die("Unhandled message id: %s", msg_id); | |
208 | type = parse_msg_type(msg_type); | |
209 | ||
f50c4407 JS |
210 | if (type != FSCK_ERROR && msg_id_info[id].msg_type == FSCK_FATAL) |
211 | die("Cannot demote %s to %s", msg_id, msg_type); | |
212 | ||
0282f4dc JS |
213 | if (!options->msg_type) { |
214 | int i; | |
b32fa95f JK |
215 | int *msg_type; |
216 | ALLOC_ARRAY(msg_type, FSCK_MSG_MAX); | |
0282f4dc JS |
217 | for (i = 0; i < FSCK_MSG_MAX; i++) |
218 | msg_type[i] = fsck_msg_type(i, options); | |
219 | options->msg_type = msg_type; | |
220 | } | |
221 | ||
222 | options->msg_type[id] = type; | |
223 | } | |
224 | ||
225 | void fsck_set_msg_types(struct fsck_options *options, const char *values) | |
226 | { | |
227 | char *buf = xstrdup(values), *to_free = buf; | |
228 | int done = 0; | |
229 | ||
230 | while (!done) { | |
231 | int len = strcspn(buf, " ,|"), equal; | |
232 | ||
233 | done = !buf[len]; | |
234 | if (!len) { | |
235 | buf++; | |
236 | continue; | |
237 | } | |
238 | buf[len] = '\0'; | |
239 | ||
240 | for (equal = 0; | |
241 | equal < len && buf[equal] != '=' && buf[equal] != ':'; | |
242 | equal++) | |
243 | buf[equal] = tolower(buf[equal]); | |
244 | buf[equal] = '\0'; | |
245 | ||
cd94c6f9 JS |
246 | if (!strcmp(buf, "skiplist")) { |
247 | if (equal == len) | |
248 | die("skiplist requires a path"); | |
24eb33eb | 249 | oidset_parse_file(&options->skiplist, buf + equal + 1); |
cd94c6f9 JS |
250 | buf += len + 1; |
251 | continue; | |
252 | } | |
253 | ||
0282f4dc JS |
254 | if (equal == len) |
255 | die("Missing '=': '%s'", buf); | |
355885d5 | 256 | |
0282f4dc JS |
257 | fsck_set_msg_type(options, buf, buf + equal + 1); |
258 | buf += len + 1; | |
259 | } | |
260 | free(to_free); | |
261 | } | |
262 | ||
71ab8fa8 JS |
263 | static void append_msg_id(struct strbuf *sb, const char *msg_id) |
264 | { | |
265 | for (;;) { | |
266 | char c = *(msg_id)++; | |
267 | ||
268 | if (!c) | |
269 | break; | |
270 | if (c != '_') | |
271 | strbuf_addch(sb, tolower(c)); | |
272 | else { | |
273 | assert(*msg_id); | |
274 | strbuf_addch(sb, *(msg_id)++); | |
275 | } | |
276 | } | |
277 | ||
278 | strbuf_addstr(sb, ": "); | |
279 | } | |
280 | ||
f5979376 JK |
281 | static int object_on_skiplist(struct fsck_options *opts, |
282 | const struct object_id *oid) | |
fb162877 | 283 | { |
f5979376 | 284 | return opts && oid && oidset_contains(&opts->skiplist, oid); |
fb162877 RJ |
285 | } |
286 | ||
38370253 JK |
287 | __attribute__((format (printf, 5, 6))) |
288 | static int report(struct fsck_options *options, | |
289 | const struct object_id *oid, enum object_type object_type, | |
290 | enum fsck_msg_id id, const char *fmt, ...) | |
c99ba492 JS |
291 | { |
292 | va_list ap; | |
293 | struct strbuf sb = STRBUF_INIT; | |
294 | int msg_type = fsck_msg_type(id, options), result; | |
295 | ||
efaba7cc JS |
296 | if (msg_type == FSCK_IGNORE) |
297 | return 0; | |
298 | ||
38370253 | 299 | if (object_on_skiplist(options, oid)) |
cd94c6f9 JS |
300 | return 0; |
301 | ||
f50c4407 JS |
302 | if (msg_type == FSCK_FATAL) |
303 | msg_type = FSCK_ERROR; | |
f27d05b1 JS |
304 | else if (msg_type == FSCK_INFO) |
305 | msg_type = FSCK_WARN; | |
f50c4407 | 306 | |
71ab8fa8 JS |
307 | append_msg_id(&sb, msg_id_info[id].id_string); |
308 | ||
c99ba492 JS |
309 | va_start(ap, fmt); |
310 | strbuf_vaddf(&sb, fmt, ap); | |
38370253 | 311 | result = options->error_func(options, oid, object_type, |
5afc4b1d | 312 | msg_type, sb.buf); |
c99ba492 JS |
313 | strbuf_release(&sb); |
314 | va_end(ap); | |
315 | ||
316 | return result; | |
317 | } | |
318 | ||
a59cfb32 JK |
319 | void fsck_enable_object_names(struct fsck_options *options) |
320 | { | |
321 | if (!options->object_names) | |
73390290 | 322 | options->object_names = kh_init_oid_map(); |
a59cfb32 JK |
323 | } |
324 | ||
73390290 JK |
325 | const char *fsck_get_object_name(struct fsck_options *options, |
326 | const struct object_id *oid) | |
7b35efd7 | 327 | { |
73390290 | 328 | khiter_t pos; |
7b35efd7 JS |
329 | if (!options->object_names) |
330 | return NULL; | |
73390290 JK |
331 | pos = kh_get_oid_map(options->object_names, *oid); |
332 | if (pos >= kh_end(options->object_names)) | |
333 | return NULL; | |
334 | return kh_value(options->object_names, pos); | |
7b35efd7 JS |
335 | } |
336 | ||
73390290 JK |
337 | void fsck_put_object_name(struct fsck_options *options, |
338 | const struct object_id *oid, | |
a59cfb32 | 339 | const char *fmt, ...) |
7b35efd7 JS |
340 | { |
341 | va_list ap; | |
342 | struct strbuf buf = STRBUF_INIT; | |
73390290 JK |
343 | khiter_t pos; |
344 | int hashret; | |
7b35efd7 JS |
345 | |
346 | if (!options->object_names) | |
347 | return; | |
73390290 JK |
348 | |
349 | pos = kh_put_oid_map(options->object_names, *oid, &hashret); | |
350 | if (!hashret) | |
7b35efd7 JS |
351 | return; |
352 | va_start(ap, fmt); | |
353 | strbuf_vaddf(&buf, fmt, ap); | |
73390290 | 354 | kh_value(options->object_names, pos) = strbuf_detach(&buf, NULL); |
7b35efd7 JS |
355 | va_end(ap); |
356 | } | |
357 | ||
a59cfb32 | 358 | const char *fsck_describe_object(struct fsck_options *options, |
73390290 | 359 | const struct object_id *oid) |
90cf590f | 360 | { |
a59cfb32 JK |
361 | static struct strbuf bufs[] = { |
362 | STRBUF_INIT, STRBUF_INIT, STRBUF_INIT, STRBUF_INIT | |
363 | }; | |
364 | static int b = 0; | |
365 | struct strbuf *buf; | |
73390290 | 366 | const char *name = fsck_get_object_name(options, oid); |
a59cfb32 JK |
367 | |
368 | buf = bufs + b; | |
369 | b = (b + 1) % ARRAY_SIZE(bufs); | |
370 | strbuf_reset(buf); | |
73390290 | 371 | strbuf_addstr(buf, oid_to_hex(oid)); |
a59cfb32 JK |
372 | if (name) |
373 | strbuf_addf(buf, " (%s)", name); | |
90cf590f | 374 | |
a59cfb32 | 375 | return buf->buf; |
90cf590f JS |
376 | } |
377 | ||
22410549 | 378 | static int fsck_walk_tree(struct tree *tree, void *data, struct fsck_options *options) |
355885d5 MK |
379 | { |
380 | struct tree_desc desc; | |
381 | struct name_entry entry; | |
382 | int res = 0; | |
7b35efd7 | 383 | const char *name; |
355885d5 MK |
384 | |
385 | if (parse_tree(tree)) | |
386 | return -1; | |
387 | ||
73390290 | 388 | name = fsck_get_object_name(options, &tree->object.oid); |
8354fa3d DT |
389 | if (init_tree_desc_gently(&desc, tree->buffer, tree->size)) |
390 | return -1; | |
391 | while (tree_entry_gently(&desc, &entry)) { | |
7b35efd7 | 392 | struct object *obj; |
355885d5 MK |
393 | int result; |
394 | ||
395 | if (S_ISGITLINK(entry.mode)) | |
396 | continue; | |
7b35efd7 JS |
397 | |
398 | if (S_ISDIR(entry.mode)) { | |
ea82b2a0 | 399 | obj = (struct object *)lookup_tree(the_repository, &entry.oid); |
2720f6db | 400 | if (name && obj) |
73390290 | 401 | fsck_put_object_name(options, &entry.oid, "%s%s/", |
a59cfb32 | 402 | name, entry.path); |
7b35efd7 JS |
403 | result = options->walk(obj, OBJ_TREE, data, options); |
404 | } | |
405 | else if (S_ISREG(entry.mode) || S_ISLNK(entry.mode)) { | |
ea82b2a0 | 406 | obj = (struct object *)lookup_blob(the_repository, &entry.oid); |
2720f6db | 407 | if (name && obj) |
73390290 | 408 | fsck_put_object_name(options, &entry.oid, "%s%s", |
a59cfb32 | 409 | name, entry.path); |
7b35efd7 JS |
410 | result = options->walk(obj, OBJ_BLOB, data, options); |
411 | } | |
355885d5 | 412 | else { |
82247e9b | 413 | result = error("in tree %s: entry %s has bad mode %.6o", |
73390290 | 414 | fsck_describe_object(options, &tree->object.oid), |
a59cfb32 | 415 | entry.path, entry.mode); |
355885d5 MK |
416 | } |
417 | if (result < 0) | |
418 | return result; | |
419 | if (!res) | |
420 | res = result; | |
421 | } | |
422 | return res; | |
423 | } | |
424 | ||
22410549 | 425 | static int fsck_walk_commit(struct commit *commit, void *data, struct fsck_options *options) |
355885d5 | 426 | { |
7b35efd7 | 427 | int counter = 0, generation = 0, name_prefix_len = 0; |
355885d5 MK |
428 | struct commit_list *parents; |
429 | int res; | |
430 | int result; | |
7b35efd7 | 431 | const char *name; |
355885d5 MK |
432 | |
433 | if (parse_commit(commit)) | |
434 | return -1; | |
435 | ||
73390290 | 436 | name = fsck_get_object_name(options, &commit->object.oid); |
7b35efd7 | 437 | if (name) |
73390290 | 438 | fsck_put_object_name(options, get_commit_tree_oid(commit), |
a59cfb32 | 439 | "%s:", name); |
7b35efd7 | 440 | |
2e27bd77 DS |
441 | result = options->walk((struct object *)get_commit_tree(commit), |
442 | OBJ_TREE, data, options); | |
355885d5 MK |
443 | if (result < 0) |
444 | return result; | |
445 | res = result; | |
446 | ||
447 | parents = commit->parents; | |
7b35efd7 JS |
448 | if (name && parents) { |
449 | int len = strlen(name), power; | |
450 | ||
451 | if (len && name[len - 1] == '^') { | |
452 | generation = 1; | |
453 | name_prefix_len = len - 1; | |
454 | } | |
455 | else { /* parse ~<generation> suffix */ | |
456 | for (generation = 0, power = 1; | |
457 | len && isdigit(name[len - 1]); | |
458 | power *= 10) | |
459 | generation += power * (name[--len] - '0'); | |
460 | if (power > 1 && len && name[len - 1] == '~') | |
461 | name_prefix_len = len - 1; | |
462 | } | |
463 | } | |
464 | ||
355885d5 | 465 | while (parents) { |
7b35efd7 | 466 | if (name) { |
73390290 | 467 | struct object_id *oid = &parents->item->object.oid; |
7b35efd7 | 468 | |
b84c7838 | 469 | if (counter++) |
73390290 | 470 | fsck_put_object_name(options, oid, "%s^%d", |
a59cfb32 | 471 | name, counter); |
7b35efd7 | 472 | else if (generation > 0) |
73390290 | 473 | fsck_put_object_name(options, oid, "%.*s~%d", |
a59cfb32 JK |
474 | name_prefix_len, name, |
475 | generation + 1); | |
7b35efd7 | 476 | else |
73390290 | 477 | fsck_put_object_name(options, oid, "%s^", name); |
7b35efd7 | 478 | } |
22410549 | 479 | result = options->walk((struct object *)parents->item, OBJ_COMMIT, data, options); |
355885d5 MK |
480 | if (result < 0) |
481 | return result; | |
482 | if (!res) | |
483 | res = result; | |
484 | parents = parents->next; | |
485 | } | |
486 | return res; | |
487 | } | |
488 | ||
22410549 | 489 | static int fsck_walk_tag(struct tag *tag, void *data, struct fsck_options *options) |
355885d5 | 490 | { |
73390290 | 491 | const char *name = fsck_get_object_name(options, &tag->object.oid); |
7b35efd7 | 492 | |
355885d5 MK |
493 | if (parse_tag(tag)) |
494 | return -1; | |
7b35efd7 | 495 | if (name) |
73390290 | 496 | fsck_put_object_name(options, &tag->tagged->oid, "%s", name); |
22410549 | 497 | return options->walk(tag->tagged, OBJ_ANY, data, options); |
355885d5 MK |
498 | } |
499 | ||
22410549 | 500 | int fsck_walk(struct object *obj, void *data, struct fsck_options *options) |
355885d5 MK |
501 | { |
502 | if (!obj) | |
503 | return -1; | |
a2b22854 JK |
504 | |
505 | if (obj->type == OBJ_NONE) | |
109cd76d | 506 | parse_object(the_repository, &obj->oid); |
a2b22854 | 507 | |
355885d5 MK |
508 | switch (obj->type) { |
509 | case OBJ_BLOB: | |
510 | return 0; | |
511 | case OBJ_TREE: | |
22410549 | 512 | return fsck_walk_tree((struct tree *)obj, data, options); |
355885d5 | 513 | case OBJ_COMMIT: |
22410549 | 514 | return fsck_walk_commit((struct commit *)obj, data, options); |
355885d5 | 515 | case OBJ_TAG: |
22410549 | 516 | return fsck_walk_tag((struct tag *)obj, data, options); |
355885d5 | 517 | default: |
a59cfb32 | 518 | error("Unknown object type for %s", |
73390290 | 519 | fsck_describe_object(options, &obj->oid)); |
355885d5 MK |
520 | return -1; |
521 | } | |
522 | } | |
ba002f3b MK |
523 | |
524 | /* | |
525 | * The entries in a tree are ordered in the _path_ order, | |
526 | * which means that a directory entry is ordered by adding | |
527 | * a slash to the end of it. | |
528 | * | |
529 | * So a directory called "a" is ordered _after_ a file | |
530 | * called "a.c", because "a/" sorts after "a.c". | |
531 | */ | |
532 | #define TREE_UNORDERED (-1) | |
533 | #define TREE_HAS_DUPS (-2) | |
534 | ||
535 | static int verify_ordered(unsigned mode1, const char *name1, unsigned mode2, const char *name2) | |
536 | { | |
537 | int len1 = strlen(name1); | |
538 | int len2 = strlen(name2); | |
539 | int len = len1 < len2 ? len1 : len2; | |
540 | unsigned char c1, c2; | |
541 | int cmp; | |
542 | ||
543 | cmp = memcmp(name1, name2, len); | |
544 | if (cmp < 0) | |
545 | return 0; | |
546 | if (cmp > 0) | |
547 | return TREE_UNORDERED; | |
548 | ||
549 | /* | |
550 | * Ok, the first <len> characters are the same. | |
551 | * Now we need to order the next one, but turn | |
552 | * a '\0' into a '/' for a directory entry. | |
553 | */ | |
554 | c1 = name1[len]; | |
555 | c2 = name2[len]; | |
556 | if (!c1 && !c2) | |
557 | /* | |
558 | * git-write-tree used to write out a nonsense tree that has | |
559 | * entries with the same name, one blob and one tree. Make | |
560 | * sure we do not have duplicate entries. | |
561 | */ | |
562 | return TREE_HAS_DUPS; | |
563 | if (!c1 && S_ISDIR(mode1)) | |
564 | c1 = '/'; | |
565 | if (!c2 && S_ISDIR(mode2)) | |
566 | c2 = '/'; | |
567 | return c1 < c2 ? 0 : TREE_UNORDERED; | |
568 | } | |
569 | ||
b2f2039c | 570 | static int fsck_tree(const struct object_id *oid, |
23a173a7 JK |
571 | const char *buffer, unsigned long size, |
572 | struct fsck_options *options) | |
ba002f3b | 573 | { |
8354fa3d | 574 | int retval = 0; |
c479d14a | 575 | int has_null_sha1 = 0; |
ba002f3b MK |
576 | int has_full_path = 0; |
577 | int has_empty_name = 0; | |
5d34a435 JK |
578 | int has_dot = 0; |
579 | int has_dotdot = 0; | |
5c17f512 | 580 | int has_dotgit = 0; |
ba002f3b MK |
581 | int has_zero_pad = 0; |
582 | int has_bad_modes = 0; | |
583 | int has_dup_entries = 0; | |
584 | int not_properly_sorted = 0; | |
585 | struct tree_desc desc; | |
586 | unsigned o_mode; | |
587 | const char *o_name; | |
ba002f3b | 588 | |
23a173a7 | 589 | if (init_tree_desc_gently(&desc, buffer, size)) { |
b2f2039c | 590 | retval += report(options, oid, OBJ_TREE, FSCK_MSG_BAD_TREE, "cannot be parsed as a tree"); |
8354fa3d DT |
591 | return retval; |
592 | } | |
ba002f3b MK |
593 | |
594 | o_mode = 0; | |
595 | o_name = NULL; | |
ba002f3b MK |
596 | |
597 | while (desc.size) { | |
5ec1e728 | 598 | unsigned short mode; |
288a74bc | 599 | const char *name, *backslash; |
ce6663a9 | 600 | const struct object_id *oid; |
ba002f3b | 601 | |
ce6663a9 | 602 | oid = tree_entry_extract(&desc, &name, &mode); |
ba002f3b | 603 | |
ce6663a9 | 604 | has_null_sha1 |= is_null_oid(oid); |
effd12ec HS |
605 | has_full_path |= !!strchr(name, '/'); |
606 | has_empty_name |= !*name; | |
607 | has_dot |= !strcmp(name, "."); | |
608 | has_dotdot |= !strcmp(name, ".."); | |
ed9c3220 | 609 | has_dotgit |= is_hfs_dotgit(name) || is_ntfs_dotgit(name); |
ba002f3b | 610 | has_zero_pad |= *(char *)desc.buffer == '0'; |
159e7b08 | 611 | |
b7b1fca1 JK |
612 | if (is_hfs_dotgitmodules(name) || is_ntfs_dotgitmodules(name)) { |
613 | if (!S_ISLNK(mode)) | |
614 | oidset_insert(&gitmodules_found, oid); | |
615 | else | |
38370253 | 616 | retval += report(options, |
b2f2039c | 617 | oid, OBJ_TREE, |
b7b1fca1 JK |
618 | FSCK_MSG_GITMODULES_SYMLINK, |
619 | ".gitmodules is a symbolic link"); | |
620 | } | |
159e7b08 | 621 | |
288a74bc JS |
622 | if ((backslash = strchr(name, '\\'))) { |
623 | while (backslash) { | |
624 | backslash++; | |
625 | has_dotgit |= is_ntfs_dotgit(backslash); | |
bdfef049 JS |
626 | if (is_ntfs_dotgitmodules(backslash)) { |
627 | if (!S_ISLNK(mode)) | |
628 | oidset_insert(&gitmodules_found, oid); | |
629 | else | |
7034cd09 | 630 | retval += report(options, oid, OBJ_TREE, |
bdfef049 JS |
631 | FSCK_MSG_GITMODULES_SYMLINK, |
632 | ".gitmodules is a symbolic link"); | |
633 | } | |
288a74bc JS |
634 | backslash = strchr(backslash, '\\'); |
635 | } | |
636 | } | |
637 | ||
8354fa3d | 638 | if (update_tree_entry_gently(&desc)) { |
b2f2039c | 639 | retval += report(options, oid, OBJ_TREE, FSCK_MSG_BAD_TREE, "cannot be parsed as a tree"); |
8354fa3d DT |
640 | break; |
641 | } | |
ba002f3b MK |
642 | |
643 | switch (mode) { | |
644 | /* | |
645 | * Standard modes.. | |
646 | */ | |
647 | case S_IFREG | 0755: | |
648 | case S_IFREG | 0644: | |
649 | case S_IFLNK: | |
650 | case S_IFDIR: | |
651 | case S_IFGITLINK: | |
652 | break; | |
653 | /* | |
654 | * This is nonstandard, but we had a few of these | |
655 | * early on when we honored the full set of mode | |
656 | * bits.. | |
657 | */ | |
658 | case S_IFREG | 0664: | |
22410549 | 659 | if (!options->strict) |
ba002f3b | 660 | break; |
1cf01a34 | 661 | /* fallthrough */ |
ba002f3b MK |
662 | default: |
663 | has_bad_modes = 1; | |
664 | } | |
665 | ||
666 | if (o_name) { | |
667 | switch (verify_ordered(o_mode, o_name, mode, name)) { | |
668 | case TREE_UNORDERED: | |
669 | not_properly_sorted = 1; | |
670 | break; | |
671 | case TREE_HAS_DUPS: | |
672 | has_dup_entries = 1; | |
673 | break; | |
674 | default: | |
675 | break; | |
676 | } | |
677 | } | |
678 | ||
679 | o_mode = mode; | |
680 | o_name = name; | |
ba002f3b MK |
681 | } |
682 | ||
c479d14a | 683 | if (has_null_sha1) |
b2f2039c | 684 | retval += report(options, oid, OBJ_TREE, FSCK_MSG_NULL_SHA1, "contains entries pointing to null sha1"); |
ba002f3b | 685 | if (has_full_path) |
b2f2039c | 686 | retval += report(options, oid, OBJ_TREE, FSCK_MSG_FULL_PATHNAME, "contains full pathnames"); |
ba002f3b | 687 | if (has_empty_name) |
b2f2039c | 688 | retval += report(options, oid, OBJ_TREE, FSCK_MSG_EMPTY_NAME, "contains empty pathname"); |
5d34a435 | 689 | if (has_dot) |
b2f2039c | 690 | retval += report(options, oid, OBJ_TREE, FSCK_MSG_HAS_DOT, "contains '.'"); |
5d34a435 | 691 | if (has_dotdot) |
b2f2039c | 692 | retval += report(options, oid, OBJ_TREE, FSCK_MSG_HAS_DOTDOT, "contains '..'"); |
5c17f512 | 693 | if (has_dotgit) |
b2f2039c | 694 | retval += report(options, oid, OBJ_TREE, FSCK_MSG_HAS_DOTGIT, "contains '.git'"); |
ba002f3b | 695 | if (has_zero_pad) |
b2f2039c | 696 | retval += report(options, oid, OBJ_TREE, FSCK_MSG_ZERO_PADDED_FILEMODE, "contains zero-padded file modes"); |
ba002f3b | 697 | if (has_bad_modes) |
b2f2039c | 698 | retval += report(options, oid, OBJ_TREE, FSCK_MSG_BAD_FILEMODE, "contains bad file modes"); |
ba002f3b | 699 | if (has_dup_entries) |
b2f2039c | 700 | retval += report(options, oid, OBJ_TREE, FSCK_MSG_DUPLICATE_ENTRIES, "contains duplicate file entries"); |
ba002f3b | 701 | if (not_properly_sorted) |
b2f2039c | 702 | retval += report(options, oid, OBJ_TREE, FSCK_MSG_TREE_NOT_SORTED, "not properly sorted"); |
ba002f3b MK |
703 | return retval; |
704 | } | |
705 | ||
84d18c0b | 706 | static int verify_headers(const void *data, unsigned long size, |
cc579000 JK |
707 | const struct object_id *oid, enum object_type type, |
708 | struct fsck_options *options) | |
4d0d8975 JS |
709 | { |
710 | const char *buffer = (const char *)data; | |
711 | unsigned long i; | |
712 | ||
713 | for (i = 0; i < size; i++) { | |
714 | switch (buffer[i]) { | |
715 | case '\0': | |
cc579000 | 716 | return report(options, oid, type, |
c99ba492 JS |
717 | FSCK_MSG_NUL_IN_HEADER, |
718 | "unterminated header: NUL at offset %ld", i); | |
4d0d8975 JS |
719 | case '\n': |
720 | if (i + 1 < size && buffer[i + 1] == '\n') | |
721 | return 0; | |
722 | } | |
723 | } | |
724 | ||
84d18c0b JH |
725 | /* |
726 | * We did not find double-LF that separates the header | |
727 | * and the body. Not having a body is not a crime but | |
728 | * we do want to see the terminating LF for the last header | |
729 | * line. | |
730 | */ | |
731 | if (size && buffer[size - 1] == '\n') | |
732 | return 0; | |
733 | ||
cc579000 | 734 | return report(options, oid, type, |
c99ba492 | 735 | FSCK_MSG_UNTERMINATED_HEADER, "unterminated header"); |
4d0d8975 JS |
736 | } |
737 | ||
78543993 JK |
738 | static int fsck_ident(const char **ident, |
739 | const struct object_id *oid, enum object_type type, | |
740 | struct fsck_options *options) | |
daae1922 | 741 | { |
e6826e33 | 742 | const char *p = *ident; |
d4b8de04 JK |
743 | char *end; |
744 | ||
e6826e33 JS |
745 | *ident = strchrnul(*ident, '\n'); |
746 | if (**ident == '\n') | |
747 | (*ident)++; | |
748 | ||
749 | if (*p == '<') | |
78543993 | 750 | return report(options, oid, type, FSCK_MSG_MISSING_NAME_BEFORE_EMAIL, "invalid author/committer line - missing space before email"); |
e6826e33 JS |
751 | p += strcspn(p, "<>\n"); |
752 | if (*p == '>') | |
78543993 | 753 | return report(options, oid, type, FSCK_MSG_BAD_NAME, "invalid author/committer line - bad name"); |
e6826e33 | 754 | if (*p != '<') |
78543993 | 755 | return report(options, oid, type, FSCK_MSG_MISSING_EMAIL, "invalid author/committer line - missing email"); |
e6826e33 | 756 | if (p[-1] != ' ') |
78543993 | 757 | return report(options, oid, type, FSCK_MSG_MISSING_SPACE_BEFORE_EMAIL, "invalid author/committer line - missing space before email"); |
e6826e33 JS |
758 | p++; |
759 | p += strcspn(p, "<>\n"); | |
760 | if (*p != '>') | |
78543993 | 761 | return report(options, oid, type, FSCK_MSG_BAD_EMAIL, "invalid author/committer line - bad email"); |
e6826e33 JS |
762 | p++; |
763 | if (*p != ' ') | |
78543993 | 764 | return report(options, oid, type, FSCK_MSG_MISSING_SPACE_BEFORE_DATE, "invalid author/committer line - missing space before date"); |
e6826e33 JS |
765 | p++; |
766 | if (*p == '0' && p[1] != ' ') | |
78543993 | 767 | return report(options, oid, type, FSCK_MSG_ZERO_PADDED_DATE, "invalid author/committer line - zero-padded date"); |
1aeb7e75 | 768 | if (date_overflows(parse_timestamp(p, &end, 10))) |
78543993 | 769 | return report(options, oid, type, FSCK_MSG_BAD_DATE_OVERFLOW, "invalid author/committer line - date causes integer overflow"); |
e6826e33 | 770 | if ((end == p || *end != ' ')) |
78543993 | 771 | return report(options, oid, type, FSCK_MSG_BAD_DATE, "invalid author/committer line - bad date"); |
e6826e33 JS |
772 | p = end + 1; |
773 | if ((*p != '+' && *p != '-') || | |
774 | !isdigit(p[1]) || | |
775 | !isdigit(p[2]) || | |
776 | !isdigit(p[3]) || | |
777 | !isdigit(p[4]) || | |
778 | (p[5] != '\n')) | |
78543993 | 779 | return report(options, oid, type, FSCK_MSG_BAD_TIMEZONE, "invalid author/committer line - bad time zone"); |
e6826e33 | 780 | p += 6; |
daae1922 JN |
781 | return 0; |
782 | } | |
783 | ||
c5b4269b JK |
784 | static int fsck_commit(const struct object_id *oid, |
785 | const char *buffer, unsigned long size, | |
786 | struct fsck_options *options) | |
ba002f3b | 787 | { |
f648ee70 | 788 | struct object_id tree_oid, parent_oid; |
ec652315 | 789 | unsigned author_count; |
daae1922 | 790 | int err; |
6d2d780f | 791 | const char *buffer_begin = buffer; |
c54f5ca9 | 792 | const char *p; |
ba002f3b | 793 | |
c5b4269b | 794 | if (verify_headers(buffer, size, oid, OBJ_COMMIT, options)) |
4d0d8975 JS |
795 | return -1; |
796 | ||
cf4fff57 | 797 | if (!skip_prefix(buffer, "tree ", &buffer)) |
c5b4269b | 798 | return report(options, oid, OBJ_COMMIT, FSCK_MSG_MISSING_TREE, "invalid format - expected 'tree' line"); |
c54f5ca9 | 799 | if (parse_oid_hex(buffer, &tree_oid, &p) || *p != '\n') { |
c5b4269b | 800 | err = report(options, oid, OBJ_COMMIT, FSCK_MSG_BAD_TREE_SHA1, "invalid 'tree' line format - bad sha1"); |
b3584761 JS |
801 | if (err) |
802 | return err; | |
803 | } | |
c54f5ca9 | 804 | buffer = p + 1; |
cf4fff57 | 805 | while (skip_prefix(buffer, "parent ", &buffer)) { |
f648ee70 | 806 | if (parse_oid_hex(buffer, &parent_oid, &p) || *p != '\n') { |
c5b4269b | 807 | err = report(options, oid, OBJ_COMMIT, FSCK_MSG_BAD_PARENT_SHA1, "invalid 'parent' line format - bad sha1"); |
b3584761 JS |
808 | if (err) |
809 | return err; | |
810 | } | |
c54f5ca9 | 811 | buffer = p + 1; |
ba002f3b | 812 | } |
c9ad147f JS |
813 | author_count = 0; |
814 | while (skip_prefix(buffer, "author ", &buffer)) { | |
815 | author_count++; | |
c5b4269b | 816 | err = fsck_ident(&buffer, oid, OBJ_COMMIT, options); |
c9ad147f JS |
817 | if (err) |
818 | return err; | |
ba002f3b | 819 | } |
c9ad147f | 820 | if (author_count < 1) |
c5b4269b | 821 | err = report(options, oid, OBJ_COMMIT, FSCK_MSG_MISSING_AUTHOR, "invalid format - expected 'author' line"); |
c9ad147f | 822 | else if (author_count > 1) |
c5b4269b | 823 | err = report(options, oid, OBJ_COMMIT, FSCK_MSG_MULTIPLE_AUTHORS, "invalid format - multiple 'author' lines"); |
daae1922 JN |
824 | if (err) |
825 | return err; | |
cf4fff57 | 826 | if (!skip_prefix(buffer, "committer ", &buffer)) |
c5b4269b JK |
827 | return report(options, oid, OBJ_COMMIT, FSCK_MSG_MISSING_COMMITTER, "invalid format - expected 'committer' line"); |
828 | err = fsck_ident(&buffer, oid, OBJ_COMMIT, options); | |
daae1922 JN |
829 | if (err) |
830 | return err; | |
6d2d780f | 831 | if (memchr(buffer_begin, '\0', size)) { |
c5b4269b | 832 | err = report(options, oid, OBJ_COMMIT, FSCK_MSG_NUL_IN_COMMIT, |
6d2d780f JH |
833 | "NUL byte in the commit object body"); |
834 | if (err) | |
835 | return err; | |
836 | } | |
ba002f3b MK |
837 | return 0; |
838 | } | |
839 | ||
103fb6d4 | 840 | static int fsck_tag(const struct object_id *oid, const char *buffer, |
2175a0c6 | 841 | unsigned long size, struct fsck_options *options) |
cec097be | 842 | { |
f648ee70 | 843 | struct object_id tagged_oid; |
cec097be | 844 | int ret = 0; |
23a173a7 | 845 | char *eol; |
cec097be | 846 | struct strbuf sb = STRBUF_INIT; |
c54f5ca9 | 847 | const char *p; |
cec097be | 848 | |
103fb6d4 | 849 | ret = verify_headers(buffer, size, oid, OBJ_TAG, options); |
8a272f29 | 850 | if (ret) |
cec097be JS |
851 | goto done; |
852 | ||
853 | if (!skip_prefix(buffer, "object ", &buffer)) { | |
103fb6d4 | 854 | ret = report(options, oid, OBJ_TAG, FSCK_MSG_MISSING_OBJECT, "invalid format - expected 'object' line"); |
cec097be JS |
855 | goto done; |
856 | } | |
f648ee70 | 857 | if (parse_oid_hex(buffer, &tagged_oid, &p) || *p != '\n') { |
103fb6d4 | 858 | ret = report(options, oid, OBJ_TAG, FSCK_MSG_BAD_OBJECT_SHA1, "invalid 'object' line format - bad sha1"); |
7d7d5b05 JS |
859 | if (ret) |
860 | goto done; | |
cec097be | 861 | } |
c54f5ca9 | 862 | buffer = p + 1; |
cec097be JS |
863 | |
864 | if (!skip_prefix(buffer, "type ", &buffer)) { | |
103fb6d4 | 865 | ret = report(options, oid, OBJ_TAG, FSCK_MSG_MISSING_TYPE_ENTRY, "invalid format - expected 'type' line"); |
cec097be JS |
866 | goto done; |
867 | } | |
868 | eol = strchr(buffer, '\n'); | |
869 | if (!eol) { | |
103fb6d4 | 870 | ret = report(options, oid, OBJ_TAG, FSCK_MSG_MISSING_TYPE, "invalid format - unexpected end after 'type' line"); |
cec097be JS |
871 | goto done; |
872 | } | |
873 | if (type_from_string_gently(buffer, eol - buffer, 1) < 0) | |
103fb6d4 | 874 | ret = report(options, oid, OBJ_TAG, FSCK_MSG_BAD_TYPE, "invalid 'type' value"); |
cec097be JS |
875 | if (ret) |
876 | goto done; | |
877 | buffer = eol + 1; | |
878 | ||
879 | if (!skip_prefix(buffer, "tag ", &buffer)) { | |
103fb6d4 | 880 | ret = report(options, oid, OBJ_TAG, FSCK_MSG_MISSING_TAG_ENTRY, "invalid format - expected 'tag' line"); |
cec097be JS |
881 | goto done; |
882 | } | |
883 | eol = strchr(buffer, '\n'); | |
884 | if (!eol) { | |
103fb6d4 | 885 | ret = report(options, oid, OBJ_TAG, FSCK_MSG_MISSING_TAG, "invalid format - unexpected end after 'type' line"); |
cec097be JS |
886 | goto done; |
887 | } | |
888 | strbuf_addf(&sb, "refs/tags/%.*s", (int)(eol - buffer), buffer); | |
f27d05b1 | 889 | if (check_refname_format(sb.buf, 0)) { |
103fb6d4 | 890 | ret = report(options, oid, OBJ_TAG, |
38370253 JK |
891 | FSCK_MSG_BAD_TAG_NAME, |
892 | "invalid 'tag' name: %.*s", | |
893 | (int)(eol - buffer), buffer); | |
f27d05b1 JS |
894 | if (ret) |
895 | goto done; | |
896 | } | |
cec097be JS |
897 | buffer = eol + 1; |
898 | ||
f27d05b1 | 899 | if (!skip_prefix(buffer, "tagger ", &buffer)) { |
cec097be | 900 | /* early tags do not contain 'tagger' lines; warn only */ |
103fb6d4 | 901 | ret = report(options, oid, OBJ_TAG, FSCK_MSG_MISSING_TAGGER_ENTRY, "invalid format - expected 'tagger' line"); |
f27d05b1 JS |
902 | if (ret) |
903 | goto done; | |
904 | } | |
cec097be | 905 | else |
103fb6d4 | 906 | ret = fsck_ident(&buffer, oid, OBJ_TAG, options); |
cec097be JS |
907 | |
908 | done: | |
909 | strbuf_release(&sb); | |
cec097be JS |
910 | return ret; |
911 | } | |
912 | ||
ed8b10f6 | 913 | struct fsck_gitmodules_data { |
6da40b22 | 914 | const struct object_id *oid; |
ed8b10f6 JK |
915 | struct fsck_options *options; |
916 | int ret; | |
917 | }; | |
918 | ||
919 | static int fsck_gitmodules_fn(const char *var, const char *value, void *vdata) | |
920 | { | |
921 | struct fsck_gitmodules_data *data = vdata; | |
922 | const char *subsection, *key; | |
923 | int subsection_len; | |
924 | char *name; | |
925 | ||
926 | if (parse_config_key(var, "submodule", &subsection, &subsection_len, &key) < 0 || | |
927 | !subsection) | |
928 | return 0; | |
929 | ||
930 | name = xmemdupz(subsection, subsection_len); | |
931 | if (check_submodule_name(name) < 0) | |
38370253 | 932 | data->ret |= report(data->options, |
6da40b22 | 933 | data->oid, OBJ_BLOB, |
ed8b10f6 JK |
934 | FSCK_MSG_GITMODULES_NAME, |
935 | "disallowed submodule name: %s", | |
936 | name); | |
a124133e JK |
937 | if (!strcmp(key, "url") && value && |
938 | looks_like_command_line_option(value)) | |
38370253 | 939 | data->ret |= report(data->options, |
6da40b22 | 940 | data->oid, OBJ_BLOB, |
a124133e JK |
941 | FSCK_MSG_GITMODULES_URL, |
942 | "disallowed submodule url: %s", | |
943 | value); | |
1a7fd1fb JK |
944 | if (!strcmp(key, "path") && value && |
945 | looks_like_command_line_option(value)) | |
38370253 | 946 | data->ret |= report(data->options, |
6da40b22 | 947 | data->oid, OBJ_BLOB, |
1a7fd1fb JK |
948 | FSCK_MSG_GITMODULES_PATH, |
949 | "disallowed submodule path: %s", | |
950 | value); | |
bb92255e JN |
951 | if (!strcmp(key, "update") && value && |
952 | parse_submodule_update_type(value) == SM_UPDATE_COMMAND) | |
7034cd09 | 953 | data->ret |= report(data->options, data->oid, OBJ_BLOB, |
bb92255e JN |
954 | FSCK_MSG_GITMODULES_UPDATE, |
955 | "disallowed submodule update setting: %s", | |
956 | value); | |
ed8b10f6 JK |
957 | free(name); |
958 | ||
959 | return 0; | |
960 | } | |
961 | ||
6da40b22 | 962 | static int fsck_blob(const struct object_id *oid, const char *buf, |
7ac4f3a0 JK |
963 | unsigned long size, struct fsck_options *options) |
964 | { | |
ed8b10f6 | 965 | struct fsck_gitmodules_data data; |
de6bd9e3 | 966 | struct config_options config_opts = { 0 }; |
ed8b10f6 | 967 | |
6da40b22 | 968 | if (!oidset_contains(&gitmodules_found, oid)) |
ed8b10f6 | 969 | return 0; |
6da40b22 | 970 | oidset_insert(&gitmodules_done, oid); |
ed8b10f6 | 971 | |
6da40b22 | 972 | if (object_on_skiplist(options, oid)) |
fb162877 RJ |
973 | return 0; |
974 | ||
ed8b10f6 JK |
975 | if (!buf) { |
976 | /* | |
977 | * A missing buffer here is a sign that the caller found the | |
978 | * blob too gigantic to load into memory. Let's just consider | |
979 | * that an error. | |
980 | */ | |
6da40b22 | 981 | return report(options, oid, OBJ_BLOB, |
0d68764d | 982 | FSCK_MSG_GITMODULES_LARGE, |
ed8b10f6 JK |
983 | ".gitmodules too large to parse"); |
984 | } | |
985 | ||
6da40b22 | 986 | data.oid = oid; |
ed8b10f6 JK |
987 | data.options = options; |
988 | data.ret = 0; | |
de6bd9e3 | 989 | config_opts.error_action = CONFIG_ERROR_SILENT; |
ed8b10f6 | 990 | if (git_config_from_mem(fsck_gitmodules_fn, CONFIG_ORIGIN_BLOB, |
de6bd9e3 | 991 | ".gitmodules", buf, size, &data, &config_opts)) |
6da40b22 | 992 | data.ret |= report(options, oid, OBJ_BLOB, |
ed8b10f6 JK |
993 | FSCK_MSG_GITMODULES_PARSE, |
994 | "could not parse gitmodules blob"); | |
995 | ||
996 | return data.ret; | |
7ac4f3a0 JK |
997 | } |
998 | ||
90a398bb | 999 | int fsck_object(struct object *obj, void *data, unsigned long size, |
22410549 | 1000 | struct fsck_options *options) |
ba002f3b MK |
1001 | { |
1002 | if (!obj) | |
38370253 | 1003 | return report(options, NULL, OBJ_NONE, FSCK_MSG_BAD_OBJECT_SHA1, "no valid object to fsck"); |
ba002f3b MK |
1004 | |
1005 | if (obj->type == OBJ_BLOB) | |
6da40b22 | 1006 | return fsck_blob(&obj->oid, data, size, options); |
ba002f3b | 1007 | if (obj->type == OBJ_TREE) |
b2f2039c | 1008 | return fsck_tree(&obj->oid, data, size, options); |
ba002f3b | 1009 | if (obj->type == OBJ_COMMIT) |
c5b4269b | 1010 | return fsck_commit(&obj->oid, data, size, options); |
ba002f3b | 1011 | if (obj->type == OBJ_TAG) |
103fb6d4 | 1012 | return fsck_tag(&obj->oid, data, size, options); |
ba002f3b | 1013 | |
38370253 JK |
1014 | return report(options, &obj->oid, obj->type, |
1015 | FSCK_MSG_UNKNOWN_TYPE, | |
1016 | "unknown type '%d' (internal fsck error)", | |
1017 | obj->type); | |
ba002f3b | 1018 | } |
d6ffc8d7 | 1019 | |
1cd772cc | 1020 | int fsck_error_function(struct fsck_options *o, |
5afc4b1d JK |
1021 | const struct object_id *oid, |
1022 | enum object_type object_type, | |
1023 | int msg_type, const char *message) | |
d6ffc8d7 | 1024 | { |
0282f4dc | 1025 | if (msg_type == FSCK_WARN) { |
5afc4b1d | 1026 | warning("object %s: %s", fsck_describe_object(o, oid), message); |
0282f4dc JS |
1027 | return 0; |
1028 | } | |
5afc4b1d | 1029 | error("object %s: %s", fsck_describe_object(o, oid), message); |
d6ffc8d7 MK |
1030 | return 1; |
1031 | } | |
159e7b08 JK |
1032 | |
1033 | int fsck_finish(struct fsck_options *options) | |
1034 | { | |
1035 | int ret = 0; | |
1036 | struct oidset_iter iter; | |
1037 | const struct object_id *oid; | |
1038 | ||
1039 | oidset_iter_init(&gitmodules_found, &iter); | |
1040 | while ((oid = oidset_iter_next(&iter))) { | |
159e7b08 JK |
1041 | enum object_type type; |
1042 | unsigned long size; | |
1043 | char *buf; | |
1044 | ||
1045 | if (oidset_contains(&gitmodules_done, oid)) | |
1046 | continue; | |
1047 | ||
7913f53b | 1048 | buf = read_object_file(oid, &type, &size); |
159e7b08 | 1049 | if (!buf) { |
b8b00f16 | 1050 | if (is_promisor_object(oid)) |
27387444 | 1051 | continue; |
38370253 | 1052 | ret |= report(options, |
b8b00f16 | 1053 | oid, OBJ_BLOB, |
159e7b08 JK |
1054 | FSCK_MSG_GITMODULES_MISSING, |
1055 | "unable to read .gitmodules blob"); | |
1056 | continue; | |
1057 | } | |
1058 | ||
1059 | if (type == OBJ_BLOB) | |
b8b00f16 | 1060 | ret |= fsck_blob(oid, buf, size, options); |
159e7b08 | 1061 | else |
38370253 | 1062 | ret |= report(options, |
b8b00f16 | 1063 | oid, type, |
159e7b08 JK |
1064 | FSCK_MSG_GITMODULES_BLOB, |
1065 | "non-blob found at .gitmodules"); | |
1066 | free(buf); | |
1067 | } | |
1068 | ||
1069 | ||
1070 | oidset_clear(&gitmodules_found); | |
1071 | oidset_clear(&gitmodules_done); | |
1072 | return ret; | |
1073 | } |