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Commit | Line | Data |
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355885d5 MK |
1 | #include "cache.h" |
2 | #include "object.h" | |
3 | #include "blob.h" | |
4 | #include "tree.h" | |
5 | #include "tree-walk.h" | |
6 | #include "commit.h" | |
7 | #include "tag.h" | |
8 | #include "fsck.h" | |
cec097be | 9 | #include "refs.h" |
a18fcc9f | 10 | #include "utf8.h" |
cd94c6f9 | 11 | #include "sha1-array.h" |
7b35efd7 | 12 | #include "decorate.h" |
159e7b08 | 13 | #include "oidset.h" |
27387444 | 14 | #include "packfile.h" |
ed8b10f6 JK |
15 | #include "submodule-config.h" |
16 | #include "config.h" | |
159e7b08 JK |
17 | |
18 | static struct oidset gitmodules_found = OIDSET_INIT; | |
19 | static struct oidset gitmodules_done = OIDSET_INIT; | |
355885d5 | 20 | |
f50c4407 | 21 | #define FSCK_FATAL -1 |
f27d05b1 | 22 | #define FSCK_INFO -2 |
f50c4407 | 23 | |
c99ba492 | 24 | #define FOREACH_MSG_ID(FUNC) \ |
f50c4407 JS |
25 | /* fatal errors */ \ |
26 | FUNC(NUL_IN_HEADER, FATAL) \ | |
27 | FUNC(UNTERMINATED_HEADER, FATAL) \ | |
c99ba492 JS |
28 | /* errors */ \ |
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) \ | |
159e7b08 | 54 | FUNC(MISSING_TREE_OBJECT, ERROR) \ |
c99ba492 JS |
55 | FUNC(MISSING_TYPE, ERROR) \ |
56 | FUNC(MISSING_TYPE_ENTRY, ERROR) \ | |
c9ad147f | 57 | FUNC(MULTIPLE_AUTHORS, ERROR) \ |
c99ba492 JS |
58 | FUNC(TAG_OBJECT_NOT_TAG, ERROR) \ |
59 | FUNC(TREE_NOT_SORTED, ERROR) \ | |
60 | FUNC(UNKNOWN_TYPE, ERROR) \ | |
c99ba492 | 61 | FUNC(ZERO_PADDED_DATE, ERROR) \ |
159e7b08 JK |
62 | FUNC(GITMODULES_MISSING, ERROR) \ |
63 | FUNC(GITMODULES_BLOB, ERROR) \ | |
ed8b10f6 JK |
64 | FUNC(GITMODULES_PARSE, ERROR) \ |
65 | FUNC(GITMODULES_NAME, ERROR) \ | |
b7b1fca1 | 66 | FUNC(GITMODULES_SYMLINK, ERROR) \ |
a124133e | 67 | FUNC(GITMODULES_URL, ERROR) \ |
1a7fd1fb | 68 | FUNC(GITMODULES_PATH, ERROR) \ |
bb92255e | 69 | FUNC(GITMODULES_UPDATE, ERROR) \ |
c99ba492 JS |
70 | /* warnings */ \ |
71 | FUNC(BAD_FILEMODE, WARN) \ | |
c99ba492 JS |
72 | FUNC(EMPTY_NAME, WARN) \ |
73 | FUNC(FULL_PATHNAME, WARN) \ | |
74 | FUNC(HAS_DOT, WARN) \ | |
75 | FUNC(HAS_DOTDOT, WARN) \ | |
76 | FUNC(HAS_DOTGIT, WARN) \ | |
c99ba492 | 77 | FUNC(NULL_SHA1, WARN) \ |
f27d05b1 | 78 | FUNC(ZERO_PADDED_FILEMODE, WARN) \ |
6d2d780f | 79 | FUNC(NUL_IN_COMMIT, WARN) \ |
f27d05b1 JS |
80 | /* infos (reported as warnings, but ignored by default) */ \ |
81 | FUNC(BAD_TAG_NAME, INFO) \ | |
82 | FUNC(MISSING_TAGGER_ENTRY, INFO) | |
c99ba492 JS |
83 | |
84 | #define MSG_ID(id, msg_type) FSCK_MSG_##id, | |
85 | enum fsck_msg_id { | |
86 | FOREACH_MSG_ID(MSG_ID) | |
87 | FSCK_MSG_MAX | |
88 | }; | |
89 | #undef MSG_ID | |
90 | ||
f417eed8 JS |
91 | #define STR(x) #x |
92 | #define MSG_ID(id, msg_type) { STR(id), NULL, FSCK_##msg_type }, | |
c99ba492 | 93 | static struct { |
f417eed8 JS |
94 | const char *id_string; |
95 | const char *downcased; | |
c99ba492 JS |
96 | int msg_type; |
97 | } msg_id_info[FSCK_MSG_MAX + 1] = { | |
98 | FOREACH_MSG_ID(MSG_ID) | |
f417eed8 | 99 | { NULL, NULL, -1 } |
c99ba492 JS |
100 | }; |
101 | #undef MSG_ID | |
102 | ||
f417eed8 JS |
103 | static int parse_msg_id(const char *text) |
104 | { | |
105 | int i; | |
106 | ||
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; | |
111 | int len = strlen(p); | |
112 | char *q = xmalloc(len); | |
113 | ||
114 | msg_id_info[i].downcased = q; | |
115 | while (*p) | |
116 | if (*p == '_') | |
117 | p++; | |
118 | else | |
119 | *(q)++ = tolower(*(p)++); | |
120 | *q = '\0'; | |
121 | } | |
122 | } | |
123 | ||
124 | for (i = 0; i < FSCK_MSG_MAX; i++) | |
125 | if (!strcmp(text, msg_id_info[i].downcased)) | |
126 | return i; | |
127 | ||
128 | return -1; | |
129 | } | |
130 | ||
c99ba492 JS |
131 | static int fsck_msg_type(enum fsck_msg_id msg_id, |
132 | struct fsck_options *options) | |
133 | { | |
134 | int msg_type; | |
135 | ||
0282f4dc JS |
136 | assert(msg_id >= 0 && msg_id < FSCK_MSG_MAX); |
137 | ||
138 | if (options->msg_type) | |
139 | msg_type = options->msg_type[msg_id]; | |
140 | else { | |
141 | msg_type = msg_id_info[msg_id].msg_type; | |
142 | if (options->strict && msg_type == FSCK_WARN) | |
143 | msg_type = FSCK_ERROR; | |
144 | } | |
c99ba492 JS |
145 | |
146 | return msg_type; | |
147 | } | |
148 | ||
cd94c6f9 JS |
149 | static void init_skiplist(struct fsck_options *options, const char *path) |
150 | { | |
910650d2 | 151 | static struct oid_array skiplist = OID_ARRAY_INIT; |
cd94c6f9 | 152 | int sorted, fd; |
365c27fb | 153 | char buffer[GIT_MAX_HEXSZ + 1]; |
154 | struct object_id oid; | |
cd94c6f9 JS |
155 | |
156 | if (options->skiplist) | |
157 | sorted = options->skiplist->sorted; | |
158 | else { | |
159 | sorted = 1; | |
160 | options->skiplist = &skiplist; | |
161 | } | |
162 | ||
163 | fd = open(path, O_RDONLY); | |
164 | if (fd < 0) | |
165 | die("Could not open skip list: %s", path); | |
166 | for (;;) { | |
365c27fb | 167 | const char *p; |
cd94c6f9 JS |
168 | int result = read_in_full(fd, buffer, sizeof(buffer)); |
169 | if (result < 0) | |
170 | die_errno("Could not read '%s'", path); | |
171 | if (!result) | |
172 | break; | |
365c27fb | 173 | if (parse_oid_hex(buffer, &oid, &p) || *p != '\n') |
cd94c6f9 | 174 | die("Invalid SHA-1: %s", buffer); |
910650d2 | 175 | oid_array_append(&skiplist, &oid); |
cd94c6f9 | 176 | if (sorted && skiplist.nr > 1 && |
ee3051bd | 177 | oidcmp(&skiplist.oid[skiplist.nr - 2], |
178 | &oid) > 0) | |
cd94c6f9 JS |
179 | sorted = 0; |
180 | } | |
181 | close(fd); | |
182 | ||
183 | if (sorted) | |
184 | skiplist.sorted = 1; | |
185 | } | |
186 | ||
0282f4dc JS |
187 | static int parse_msg_type(const char *str) |
188 | { | |
189 | if (!strcmp(str, "error")) | |
190 | return FSCK_ERROR; | |
191 | else if (!strcmp(str, "warn")) | |
192 | return FSCK_WARN; | |
efaba7cc JS |
193 | else if (!strcmp(str, "ignore")) |
194 | return FSCK_IGNORE; | |
0282f4dc JS |
195 | else |
196 | die("Unknown fsck message type: '%s'", str); | |
197 | } | |
198 | ||
5d477a33 JS |
199 | int is_valid_msg_type(const char *msg_id, const char *msg_type) |
200 | { | |
201 | if (parse_msg_id(msg_id) < 0) | |
202 | return 0; | |
203 | parse_msg_type(msg_type); | |
204 | return 1; | |
205 | } | |
206 | ||
0282f4dc JS |
207 | void fsck_set_msg_type(struct fsck_options *options, |
208 | const char *msg_id, const char *msg_type) | |
209 | { | |
210 | int id = parse_msg_id(msg_id), type; | |
211 | ||
212 | if (id < 0) | |
213 | die("Unhandled message id: %s", msg_id); | |
214 | type = parse_msg_type(msg_type); | |
215 | ||
f50c4407 JS |
216 | if (type != FSCK_ERROR && msg_id_info[id].msg_type == FSCK_FATAL) |
217 | die("Cannot demote %s to %s", msg_id, msg_type); | |
218 | ||
0282f4dc JS |
219 | if (!options->msg_type) { |
220 | int i; | |
b32fa95f JK |
221 | int *msg_type; |
222 | ALLOC_ARRAY(msg_type, FSCK_MSG_MAX); | |
0282f4dc JS |
223 | for (i = 0; i < FSCK_MSG_MAX; i++) |
224 | msg_type[i] = fsck_msg_type(i, options); | |
225 | options->msg_type = msg_type; | |
226 | } | |
227 | ||
228 | options->msg_type[id] = type; | |
229 | } | |
230 | ||
231 | void fsck_set_msg_types(struct fsck_options *options, const char *values) | |
232 | { | |
233 | char *buf = xstrdup(values), *to_free = buf; | |
234 | int done = 0; | |
235 | ||
236 | while (!done) { | |
237 | int len = strcspn(buf, " ,|"), equal; | |
238 | ||
239 | done = !buf[len]; | |
240 | if (!len) { | |
241 | buf++; | |
242 | continue; | |
243 | } | |
244 | buf[len] = '\0'; | |
245 | ||
246 | for (equal = 0; | |
247 | equal < len && buf[equal] != '=' && buf[equal] != ':'; | |
248 | equal++) | |
249 | buf[equal] = tolower(buf[equal]); | |
250 | buf[equal] = '\0'; | |
251 | ||
cd94c6f9 JS |
252 | if (!strcmp(buf, "skiplist")) { |
253 | if (equal == len) | |
254 | die("skiplist requires a path"); | |
255 | init_skiplist(options, buf + equal + 1); | |
256 | buf += len + 1; | |
257 | continue; | |
258 | } | |
259 | ||
0282f4dc JS |
260 | if (equal == len) |
261 | die("Missing '=': '%s'", buf); | |
355885d5 | 262 | |
0282f4dc JS |
263 | fsck_set_msg_type(options, buf, buf + equal + 1); |
264 | buf += len + 1; | |
265 | } | |
266 | free(to_free); | |
267 | } | |
268 | ||
71ab8fa8 JS |
269 | static void append_msg_id(struct strbuf *sb, const char *msg_id) |
270 | { | |
271 | for (;;) { | |
272 | char c = *(msg_id)++; | |
273 | ||
274 | if (!c) | |
275 | break; | |
276 | if (c != '_') | |
277 | strbuf_addch(sb, tolower(c)); | |
278 | else { | |
279 | assert(*msg_id); | |
280 | strbuf_addch(sb, *(msg_id)++); | |
281 | } | |
282 | } | |
283 | ||
284 | strbuf_addstr(sb, ": "); | |
285 | } | |
286 | ||
c99ba492 JS |
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, ...) | |
290 | { | |
291 | va_list ap; | |
292 | struct strbuf sb = STRBUF_INIT; | |
293 | int msg_type = fsck_msg_type(id, options), result; | |
294 | ||
efaba7cc JS |
295 | if (msg_type == FSCK_IGNORE) |
296 | return 0; | |
297 | ||
cd94c6f9 | 298 | if (options->skiplist && object && |
910650d2 | 299 | oid_array_lookup(options->skiplist, &object->oid) >= 0) |
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); | |
1cd772cc | 311 | result = options->error_func(options, object, msg_type, sb.buf); |
c99ba492 JS |
312 | strbuf_release(&sb); |
313 | va_end(ap); | |
314 | ||
315 | return result; | |
316 | } | |
317 | ||
7b35efd7 JS |
318 | static char *get_object_name(struct fsck_options *options, struct object *obj) |
319 | { | |
320 | if (!options->object_names) | |
321 | return NULL; | |
322 | return lookup_decoration(options->object_names, obj); | |
323 | } | |
324 | ||
325 | static void put_object_name(struct fsck_options *options, struct object *obj, | |
326 | const char *fmt, ...) | |
327 | { | |
328 | va_list ap; | |
329 | struct strbuf buf = STRBUF_INIT; | |
330 | char *existing; | |
331 | ||
332 | if (!options->object_names) | |
333 | return; | |
334 | existing = lookup_decoration(options->object_names, obj); | |
335 | if (existing) | |
336 | return; | |
337 | va_start(ap, fmt); | |
338 | strbuf_vaddf(&buf, fmt, ap); | |
339 | add_decoration(options->object_names, obj, strbuf_detach(&buf, NULL)); | |
340 | va_end(ap); | |
341 | } | |
342 | ||
90cf590f JS |
343 | static const char *describe_object(struct fsck_options *o, struct object *obj) |
344 | { | |
345 | static struct strbuf buf = STRBUF_INIT; | |
346 | char *name; | |
347 | ||
348 | strbuf_reset(&buf); | |
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); | |
352 | ||
353 | return buf.buf; | |
354 | } | |
355 | ||
22410549 | 356 | static int fsck_walk_tree(struct tree *tree, void *data, struct fsck_options *options) |
355885d5 MK |
357 | { |
358 | struct tree_desc desc; | |
359 | struct name_entry entry; | |
360 | int res = 0; | |
7b35efd7 | 361 | const char *name; |
355885d5 MK |
362 | |
363 | if (parse_tree(tree)) | |
364 | return -1; | |
365 | ||
7b35efd7 | 366 | name = get_object_name(options, &tree->object); |
8354fa3d DT |
367 | if (init_tree_desc_gently(&desc, tree->buffer, tree->size)) |
368 | return -1; | |
369 | while (tree_entry_gently(&desc, &entry)) { | |
7b35efd7 | 370 | struct object *obj; |
355885d5 MK |
371 | int result; |
372 | ||
373 | if (S_ISGITLINK(entry.mode)) | |
374 | continue; | |
7b35efd7 JS |
375 | |
376 | if (S_ISDIR(entry.mode)) { | |
2720f6db RS |
377 | obj = (struct object *)lookup_tree(entry.oid); |
378 | if (name && obj) | |
7b35efd7 JS |
379 | put_object_name(options, obj, "%s%s/", name, |
380 | entry.path); | |
381 | result = options->walk(obj, OBJ_TREE, data, options); | |
382 | } | |
383 | else if (S_ISREG(entry.mode) || S_ISLNK(entry.mode)) { | |
2720f6db RS |
384 | obj = (struct object *)lookup_blob(entry.oid); |
385 | if (name && obj) | |
7b35efd7 JS |
386 | put_object_name(options, obj, "%s%s", name, |
387 | entry.path); | |
388 | result = options->walk(obj, OBJ_BLOB, data, options); | |
389 | } | |
355885d5 | 390 | else { |
82247e9b | 391 | result = error("in tree %s: entry %s has bad mode %.6o", |
90cf590f | 392 | describe_object(options, &tree->object), entry.path, entry.mode); |
355885d5 MK |
393 | } |
394 | if (result < 0) | |
395 | return result; | |
396 | if (!res) | |
397 | res = result; | |
398 | } | |
399 | return res; | |
400 | } | |
401 | ||
22410549 | 402 | static int fsck_walk_commit(struct commit *commit, void *data, struct fsck_options *options) |
355885d5 | 403 | { |
7b35efd7 | 404 | int counter = 0, generation = 0, name_prefix_len = 0; |
355885d5 MK |
405 | struct commit_list *parents; |
406 | int res; | |
407 | int result; | |
7b35efd7 | 408 | const char *name; |
355885d5 MK |
409 | |
410 | if (parse_commit(commit)) | |
411 | return -1; | |
412 | ||
7b35efd7 JS |
413 | name = get_object_name(options, &commit->object); |
414 | if (name) | |
415 | put_object_name(options, &commit->tree->object, "%s:", name); | |
416 | ||
22410549 | 417 | result = options->walk((struct object *)commit->tree, OBJ_TREE, data, options); |
355885d5 MK |
418 | if (result < 0) |
419 | return result; | |
420 | res = result; | |
421 | ||
422 | parents = commit->parents; | |
7b35efd7 JS |
423 | if (name && parents) { |
424 | int len = strlen(name), power; | |
425 | ||
426 | if (len && name[len - 1] == '^') { | |
427 | generation = 1; | |
428 | name_prefix_len = len - 1; | |
429 | } | |
430 | else { /* parse ~<generation> suffix */ | |
431 | for (generation = 0, power = 1; | |
432 | len && isdigit(name[len - 1]); | |
433 | power *= 10) | |
434 | generation += power * (name[--len] - '0'); | |
435 | if (power > 1 && len && name[len - 1] == '~') | |
436 | name_prefix_len = len - 1; | |
437 | } | |
438 | } | |
439 | ||
355885d5 | 440 | while (parents) { |
7b35efd7 JS |
441 | if (name) { |
442 | struct object *obj = &parents->item->object; | |
443 | ||
444 | if (++counter > 1) | |
445 | put_object_name(options, obj, "%s^%d", | |
446 | name, counter); | |
447 | else if (generation > 0) | |
448 | put_object_name(options, obj, "%.*s~%d", | |
449 | name_prefix_len, name, generation + 1); | |
450 | else | |
451 | put_object_name(options, obj, "%s^", name); | |
452 | } | |
22410549 | 453 | result = options->walk((struct object *)parents->item, OBJ_COMMIT, data, options); |
355885d5 MK |
454 | if (result < 0) |
455 | return result; | |
456 | if (!res) | |
457 | res = result; | |
458 | parents = parents->next; | |
459 | } | |
460 | return res; | |
461 | } | |
462 | ||
22410549 | 463 | static int fsck_walk_tag(struct tag *tag, void *data, struct fsck_options *options) |
355885d5 | 464 | { |
7b35efd7 JS |
465 | char *name = get_object_name(options, &tag->object); |
466 | ||
355885d5 MK |
467 | if (parse_tag(tag)) |
468 | return -1; | |
7b35efd7 JS |
469 | if (name) |
470 | put_object_name(options, tag->tagged, "%s", name); | |
22410549 | 471 | return options->walk(tag->tagged, OBJ_ANY, data, options); |
355885d5 MK |
472 | } |
473 | ||
22410549 | 474 | int fsck_walk(struct object *obj, void *data, struct fsck_options *options) |
355885d5 MK |
475 | { |
476 | if (!obj) | |
477 | return -1; | |
a2b22854 JK |
478 | |
479 | if (obj->type == OBJ_NONE) | |
c251c83d | 480 | parse_object(&obj->oid); |
a2b22854 | 481 | |
355885d5 MK |
482 | switch (obj->type) { |
483 | case OBJ_BLOB: | |
484 | return 0; | |
485 | case OBJ_TREE: | |
22410549 | 486 | return fsck_walk_tree((struct tree *)obj, data, options); |
355885d5 | 487 | case OBJ_COMMIT: |
22410549 | 488 | return fsck_walk_commit((struct commit *)obj, data, options); |
355885d5 | 489 | case OBJ_TAG: |
22410549 | 490 | return fsck_walk_tag((struct tag *)obj, data, options); |
355885d5 | 491 | default: |
90cf590f | 492 | error("Unknown object type for %s", describe_object(options, obj)); |
355885d5 MK |
493 | return -1; |
494 | } | |
495 | } | |
ba002f3b MK |
496 | |
497 | /* | |
498 | * The entries in a tree are ordered in the _path_ order, | |
499 | * which means that a directory entry is ordered by adding | |
500 | * a slash to the end of it. | |
501 | * | |
502 | * So a directory called "a" is ordered _after_ a file | |
503 | * called "a.c", because "a/" sorts after "a.c". | |
504 | */ | |
505 | #define TREE_UNORDERED (-1) | |
506 | #define TREE_HAS_DUPS (-2) | |
507 | ||
508 | static int verify_ordered(unsigned mode1, const char *name1, unsigned mode2, const char *name2) | |
509 | { | |
510 | int len1 = strlen(name1); | |
511 | int len2 = strlen(name2); | |
512 | int len = len1 < len2 ? len1 : len2; | |
513 | unsigned char c1, c2; | |
514 | int cmp; | |
515 | ||
516 | cmp = memcmp(name1, name2, len); | |
517 | if (cmp < 0) | |
518 | return 0; | |
519 | if (cmp > 0) | |
520 | return TREE_UNORDERED; | |
521 | ||
522 | /* | |
523 | * Ok, the first <len> characters are the same. | |
524 | * Now we need to order the next one, but turn | |
525 | * a '\0' into a '/' for a directory entry. | |
526 | */ | |
527 | c1 = name1[len]; | |
528 | c2 = name2[len]; | |
529 | if (!c1 && !c2) | |
530 | /* | |
531 | * git-write-tree used to write out a nonsense tree that has | |
532 | * entries with the same name, one blob and one tree. Make | |
533 | * sure we do not have duplicate entries. | |
534 | */ | |
535 | return TREE_HAS_DUPS; | |
536 | if (!c1 && S_ISDIR(mode1)) | |
537 | c1 = '/'; | |
538 | if (!c2 && S_ISDIR(mode2)) | |
539 | c2 = '/'; | |
540 | return c1 < c2 ? 0 : TREE_UNORDERED; | |
541 | } | |
542 | ||
22410549 | 543 | static int fsck_tree(struct tree *item, struct fsck_options *options) |
ba002f3b | 544 | { |
8354fa3d | 545 | int retval = 0; |
c479d14a | 546 | int has_null_sha1 = 0; |
ba002f3b MK |
547 | int has_full_path = 0; |
548 | int has_empty_name = 0; | |
5d34a435 JK |
549 | int has_dot = 0; |
550 | int has_dotdot = 0; | |
5c17f512 | 551 | int has_dotgit = 0; |
ba002f3b MK |
552 | int has_zero_pad = 0; |
553 | int has_bad_modes = 0; | |
554 | int has_dup_entries = 0; | |
555 | int not_properly_sorted = 0; | |
556 | struct tree_desc desc; | |
557 | unsigned o_mode; | |
558 | const char *o_name; | |
ba002f3b | 559 | |
8354fa3d DT |
560 | if (init_tree_desc_gently(&desc, item->buffer, item->size)) { |
561 | retval += report(options, &item->object, FSCK_MSG_BAD_TREE, "cannot be parsed as a tree"); | |
562 | return retval; | |
563 | } | |
ba002f3b MK |
564 | |
565 | o_mode = 0; | |
566 | o_name = NULL; | |
ba002f3b MK |
567 | |
568 | while (desc.size) { | |
569 | unsigned mode; | |
288a74bc | 570 | const char *name, *backslash; |
ce6663a9 | 571 | const struct object_id *oid; |
ba002f3b | 572 | |
ce6663a9 | 573 | oid = tree_entry_extract(&desc, &name, &mode); |
ba002f3b | 574 | |
ce6663a9 | 575 | has_null_sha1 |= is_null_oid(oid); |
effd12ec HS |
576 | has_full_path |= !!strchr(name, '/'); |
577 | has_empty_name |= !*name; | |
578 | has_dot |= !strcmp(name, "."); | |
579 | has_dotdot |= !strcmp(name, ".."); | |
ed9c3220 | 580 | has_dotgit |= is_hfs_dotgit(name) || is_ntfs_dotgit(name); |
ba002f3b | 581 | has_zero_pad |= *(char *)desc.buffer == '0'; |
159e7b08 | 582 | |
b7b1fca1 JK |
583 | if (is_hfs_dotgitmodules(name) || is_ntfs_dotgitmodules(name)) { |
584 | if (!S_ISLNK(mode)) | |
585 | oidset_insert(&gitmodules_found, oid); | |
586 | else | |
587 | retval += report(options, &item->object, | |
588 | FSCK_MSG_GITMODULES_SYMLINK, | |
589 | ".gitmodules is a symbolic link"); | |
590 | } | |
159e7b08 | 591 | |
288a74bc JS |
592 | if ((backslash = strchr(name, '\\'))) { |
593 | while (backslash) { | |
594 | backslash++; | |
595 | has_dotgit |= is_ntfs_dotgit(backslash); | |
bdfef049 JS |
596 | if (is_ntfs_dotgitmodules(backslash)) { |
597 | if (!S_ISLNK(mode)) | |
598 | oidset_insert(&gitmodules_found, oid); | |
599 | else | |
600 | retval += report(options, &item->object, | |
601 | FSCK_MSG_GITMODULES_SYMLINK, | |
602 | ".gitmodules is a symbolic link"); | |
603 | } | |
288a74bc JS |
604 | backslash = strchr(backslash, '\\'); |
605 | } | |
606 | } | |
607 | ||
8354fa3d DT |
608 | if (update_tree_entry_gently(&desc)) { |
609 | retval += report(options, &item->object, FSCK_MSG_BAD_TREE, "cannot be parsed as a tree"); | |
610 | break; | |
611 | } | |
ba002f3b MK |
612 | |
613 | switch (mode) { | |
614 | /* | |
615 | * Standard modes.. | |
616 | */ | |
617 | case S_IFREG | 0755: | |
618 | case S_IFREG | 0644: | |
619 | case S_IFLNK: | |
620 | case S_IFDIR: | |
621 | case S_IFGITLINK: | |
622 | break; | |
623 | /* | |
624 | * This is nonstandard, but we had a few of these | |
625 | * early on when we honored the full set of mode | |
626 | * bits.. | |
627 | */ | |
628 | case S_IFREG | 0664: | |
22410549 | 629 | if (!options->strict) |
ba002f3b | 630 | break; |
1cf01a34 | 631 | /* fallthrough */ |
ba002f3b MK |
632 | default: |
633 | has_bad_modes = 1; | |
634 | } | |
635 | ||
636 | if (o_name) { | |
637 | switch (verify_ordered(o_mode, o_name, mode, name)) { | |
638 | case TREE_UNORDERED: | |
639 | not_properly_sorted = 1; | |
640 | break; | |
641 | case TREE_HAS_DUPS: | |
642 | has_dup_entries = 1; | |
643 | break; | |
644 | default: | |
645 | break; | |
646 | } | |
647 | } | |
648 | ||
649 | o_mode = mode; | |
650 | o_name = name; | |
ba002f3b MK |
651 | } |
652 | ||
c479d14a | 653 | if (has_null_sha1) |
c99ba492 | 654 | retval += report(options, &item->object, FSCK_MSG_NULL_SHA1, "contains entries pointing to null sha1"); |
ba002f3b | 655 | if (has_full_path) |
c99ba492 | 656 | retval += report(options, &item->object, FSCK_MSG_FULL_PATHNAME, "contains full pathnames"); |
ba002f3b | 657 | if (has_empty_name) |
c99ba492 | 658 | retval += report(options, &item->object, FSCK_MSG_EMPTY_NAME, "contains empty pathname"); |
5d34a435 | 659 | if (has_dot) |
c99ba492 | 660 | retval += report(options, &item->object, FSCK_MSG_HAS_DOT, "contains '.'"); |
5d34a435 | 661 | if (has_dotdot) |
c99ba492 | 662 | retval += report(options, &item->object, FSCK_MSG_HAS_DOTDOT, "contains '..'"); |
5c17f512 | 663 | if (has_dotgit) |
c99ba492 | 664 | retval += report(options, &item->object, FSCK_MSG_HAS_DOTGIT, "contains '.git'"); |
ba002f3b | 665 | if (has_zero_pad) |
c99ba492 | 666 | retval += report(options, &item->object, FSCK_MSG_ZERO_PADDED_FILEMODE, "contains zero-padded file modes"); |
ba002f3b | 667 | if (has_bad_modes) |
c99ba492 | 668 | retval += report(options, &item->object, FSCK_MSG_BAD_FILEMODE, "contains bad file modes"); |
ba002f3b | 669 | if (has_dup_entries) |
c99ba492 | 670 | retval += report(options, &item->object, FSCK_MSG_DUPLICATE_ENTRIES, "contains duplicate file entries"); |
ba002f3b | 671 | if (not_properly_sorted) |
c99ba492 | 672 | retval += report(options, &item->object, FSCK_MSG_TREE_NOT_SORTED, "not properly sorted"); |
ba002f3b MK |
673 | return retval; |
674 | } | |
675 | ||
84d18c0b | 676 | static int verify_headers(const void *data, unsigned long size, |
b2f44feb | 677 | struct object *obj, struct fsck_options *options) |
4d0d8975 JS |
678 | { |
679 | const char *buffer = (const char *)data; | |
680 | unsigned long i; | |
681 | ||
682 | for (i = 0; i < size; i++) { | |
683 | switch (buffer[i]) { | |
684 | case '\0': | |
c99ba492 JS |
685 | return report(options, obj, |
686 | FSCK_MSG_NUL_IN_HEADER, | |
687 | "unterminated header: NUL at offset %ld", i); | |
4d0d8975 JS |
688 | case '\n': |
689 | if (i + 1 < size && buffer[i + 1] == '\n') | |
690 | return 0; | |
691 | } | |
692 | } | |
693 | ||
84d18c0b JH |
694 | /* |
695 | * We did not find double-LF that separates the header | |
696 | * and the body. Not having a body is not a crime but | |
697 | * we do want to see the terminating LF for the last header | |
698 | * line. | |
699 | */ | |
700 | if (size && buffer[size - 1] == '\n') | |
701 | return 0; | |
702 | ||
c99ba492 JS |
703 | return report(options, obj, |
704 | FSCK_MSG_UNTERMINATED_HEADER, "unterminated header"); | |
4d0d8975 JS |
705 | } |
706 | ||
22410549 | 707 | static int fsck_ident(const char **ident, struct object *obj, struct fsck_options *options) |
daae1922 | 708 | { |
e6826e33 | 709 | const char *p = *ident; |
d4b8de04 JK |
710 | char *end; |
711 | ||
e6826e33 JS |
712 | *ident = strchrnul(*ident, '\n'); |
713 | if (**ident == '\n') | |
714 | (*ident)++; | |
715 | ||
716 | if (*p == '<') | |
c99ba492 | 717 | return report(options, obj, FSCK_MSG_MISSING_NAME_BEFORE_EMAIL, "invalid author/committer line - missing space before email"); |
e6826e33 JS |
718 | p += strcspn(p, "<>\n"); |
719 | if (*p == '>') | |
c99ba492 | 720 | return report(options, obj, FSCK_MSG_BAD_NAME, "invalid author/committer line - bad name"); |
e6826e33 | 721 | if (*p != '<') |
c99ba492 | 722 | return report(options, obj, FSCK_MSG_MISSING_EMAIL, "invalid author/committer line - missing email"); |
e6826e33 | 723 | if (p[-1] != ' ') |
c99ba492 | 724 | return report(options, obj, FSCK_MSG_MISSING_SPACE_BEFORE_EMAIL, "invalid author/committer line - missing space before email"); |
e6826e33 JS |
725 | p++; |
726 | p += strcspn(p, "<>\n"); | |
727 | if (*p != '>') | |
c99ba492 | 728 | return report(options, obj, FSCK_MSG_BAD_EMAIL, "invalid author/committer line - bad email"); |
e6826e33 JS |
729 | p++; |
730 | if (*p != ' ') | |
c99ba492 | 731 | return report(options, obj, FSCK_MSG_MISSING_SPACE_BEFORE_DATE, "invalid author/committer line - missing space before date"); |
e6826e33 JS |
732 | p++; |
733 | if (*p == '0' && p[1] != ' ') | |
c99ba492 | 734 | return report(options, obj, FSCK_MSG_ZERO_PADDED_DATE, "invalid author/committer line - zero-padded date"); |
1aeb7e75 | 735 | if (date_overflows(parse_timestamp(p, &end, 10))) |
c99ba492 | 736 | return report(options, obj, FSCK_MSG_BAD_DATE_OVERFLOW, "invalid author/committer line - date causes integer overflow"); |
e6826e33 | 737 | if ((end == p || *end != ' ')) |
c99ba492 | 738 | return report(options, obj, FSCK_MSG_BAD_DATE, "invalid author/committer line - bad date"); |
e6826e33 JS |
739 | p = end + 1; |
740 | if ((*p != '+' && *p != '-') || | |
741 | !isdigit(p[1]) || | |
742 | !isdigit(p[2]) || | |
743 | !isdigit(p[3]) || | |
744 | !isdigit(p[4]) || | |
745 | (p[5] != '\n')) | |
c99ba492 | 746 | return report(options, obj, FSCK_MSG_BAD_TIMEZONE, "invalid author/committer line - bad time zone"); |
e6826e33 | 747 | p += 6; |
daae1922 JN |
748 | return 0; |
749 | } | |
750 | ||
bc6b8fc1 | 751 | static int fsck_commit_buffer(struct commit *commit, const char *buffer, |
22410549 | 752 | unsigned long size, struct fsck_options *options) |
ba002f3b | 753 | { |
ba002f3b MK |
754 | unsigned char tree_sha1[20], sha1[20]; |
755 | struct commit_graft *graft; | |
c9ad147f | 756 | unsigned parent_count, parent_line_count = 0, author_count; |
daae1922 | 757 | int err; |
6d2d780f | 758 | const char *buffer_begin = buffer; |
ba002f3b | 759 | |
b2f44feb | 760 | if (verify_headers(buffer, size, &commit->object, options)) |
4d0d8975 JS |
761 | return -1; |
762 | ||
cf4fff57 | 763 | if (!skip_prefix(buffer, "tree ", &buffer)) |
c99ba492 | 764 | return report(options, &commit->object, FSCK_MSG_MISSING_TREE, "invalid format - expected 'tree' line"); |
b3584761 JS |
765 | if (get_sha1_hex(buffer, tree_sha1) || buffer[40] != '\n') { |
766 | err = report(options, &commit->object, FSCK_MSG_BAD_TREE_SHA1, "invalid 'tree' line format - bad sha1"); | |
767 | if (err) | |
768 | return err; | |
769 | } | |
2d820a61 | 770 | buffer += 41; |
cf4fff57 | 771 | while (skip_prefix(buffer, "parent ", &buffer)) { |
b3584761 JS |
772 | if (get_sha1_hex(buffer, sha1) || buffer[40] != '\n') { |
773 | err = report(options, &commit->object, FSCK_MSG_BAD_PARENT_SHA1, "invalid 'parent' line format - bad sha1"); | |
774 | if (err) | |
775 | return err; | |
776 | } | |
2d820a61 | 777 | buffer += 41; |
9d02150c | 778 | parent_line_count++; |
ba002f3b | 779 | } |
8b65a34c | 780 | graft = lookup_commit_graft(&commit->object.oid); |
9d02150c | 781 | parent_count = commit_list_count(commit->parents); |
ba002f3b | 782 | if (graft) { |
9d02150c | 783 | if (graft->nr_parent == -1 && !parent_count) |
ba002f3b | 784 | ; /* shallow commit */ |
b3584761 JS |
785 | else if (graft->nr_parent != parent_count) { |
786 | err = report(options, &commit->object, FSCK_MSG_MISSING_GRAFT, "graft objects missing"); | |
787 | if (err) | |
788 | return err; | |
789 | } | |
ba002f3b | 790 | } else { |
b3584761 JS |
791 | if (parent_count != parent_line_count) { |
792 | err = report(options, &commit->object, FSCK_MSG_MISSING_PARENT, "parent objects missing"); | |
793 | if (err) | |
794 | return err; | |
795 | } | |
ba002f3b | 796 | } |
c9ad147f JS |
797 | author_count = 0; |
798 | while (skip_prefix(buffer, "author ", &buffer)) { | |
799 | author_count++; | |
800 | err = fsck_ident(&buffer, &commit->object, options); | |
801 | if (err) | |
802 | return err; | |
ba002f3b | 803 | } |
c9ad147f JS |
804 | if (author_count < 1) |
805 | err = report(options, &commit->object, FSCK_MSG_MISSING_AUTHOR, "invalid format - expected 'author' line"); | |
806 | else if (author_count > 1) | |
807 | err = report(options, &commit->object, FSCK_MSG_MULTIPLE_AUTHORS, "invalid format - multiple 'author' lines"); | |
daae1922 JN |
808 | if (err) |
809 | return err; | |
cf4fff57 | 810 | if (!skip_prefix(buffer, "committer ", &buffer)) |
c99ba492 | 811 | return report(options, &commit->object, FSCK_MSG_MISSING_COMMITTER, "invalid format - expected 'committer' line"); |
22410549 | 812 | err = fsck_ident(&buffer, &commit->object, options); |
daae1922 JN |
813 | if (err) |
814 | return err; | |
5af29718 JH |
815 | if (!commit->tree) { |
816 | err = report(options, &commit->object, FSCK_MSG_BAD_TREE, "could not load commit's tree %s", sha1_to_hex(tree_sha1)); | |
817 | if (err) | |
818 | return err; | |
819 | } | |
6d2d780f JH |
820 | if (memchr(buffer_begin, '\0', size)) { |
821 | err = report(options, &commit->object, FSCK_MSG_NUL_IN_COMMIT, | |
822 | "NUL byte in the commit object body"); | |
823 | if (err) | |
824 | return err; | |
825 | } | |
ba002f3b MK |
826 | return 0; |
827 | } | |
828 | ||
90a398bb | 829 | static int fsck_commit(struct commit *commit, const char *data, |
22410549 | 830 | unsigned long size, struct fsck_options *options) |
bc6b8fc1 | 831 | { |
90a398bb | 832 | const char *buffer = data ? data : get_commit_buffer(commit, &size); |
22410549 | 833 | int ret = fsck_commit_buffer(commit, buffer, size, options); |
90a398bb JS |
834 | if (!data) |
835 | unuse_commit_buffer(commit, buffer); | |
bc6b8fc1 JK |
836 | return ret; |
837 | } | |
838 | ||
cec097be | 839 | static int fsck_tag_buffer(struct tag *tag, const char *data, |
22410549 | 840 | unsigned long size, struct fsck_options *options) |
cec097be JS |
841 | { |
842 | unsigned char sha1[20]; | |
843 | int ret = 0; | |
844 | const char *buffer; | |
845 | char *to_free = NULL, *eol; | |
846 | struct strbuf sb = STRBUF_INIT; | |
847 | ||
848 | if (data) | |
849 | buffer = data; | |
850 | else { | |
851 | enum object_type type; | |
852 | ||
853 | buffer = to_free = | |
ed1c9977 | 854 | read_sha1_file(tag->object.oid.hash, &type, &size); |
cec097be | 855 | if (!buffer) |
c99ba492 JS |
856 | return report(options, &tag->object, |
857 | FSCK_MSG_MISSING_TAG_OBJECT, | |
cec097be JS |
858 | "cannot read tag object"); |
859 | ||
860 | if (type != OBJ_TAG) { | |
c99ba492 JS |
861 | ret = report(options, &tag->object, |
862 | FSCK_MSG_TAG_OBJECT_NOT_TAG, | |
cec097be | 863 | "expected tag got %s", |
debca9d2 | 864 | type_name(type)); |
cec097be JS |
865 | goto done; |
866 | } | |
867 | } | |
868 | ||
8a272f29 RS |
869 | ret = verify_headers(buffer, size, &tag->object, options); |
870 | if (ret) | |
cec097be JS |
871 | goto done; |
872 | ||
873 | if (!skip_prefix(buffer, "object ", &buffer)) { | |
c99ba492 | 874 | ret = report(options, &tag->object, FSCK_MSG_MISSING_OBJECT, "invalid format - expected 'object' line"); |
cec097be JS |
875 | goto done; |
876 | } | |
877 | if (get_sha1_hex(buffer, sha1) || buffer[40] != '\n') { | |
c99ba492 | 878 | ret = report(options, &tag->object, FSCK_MSG_BAD_OBJECT_SHA1, "invalid 'object' line format - bad sha1"); |
7d7d5b05 JS |
879 | if (ret) |
880 | goto done; | |
cec097be JS |
881 | } |
882 | buffer += 41; | |
883 | ||
884 | if (!skip_prefix(buffer, "type ", &buffer)) { | |
c99ba492 | 885 | ret = report(options, &tag->object, FSCK_MSG_MISSING_TYPE_ENTRY, "invalid format - expected 'type' line"); |
cec097be JS |
886 | goto done; |
887 | } | |
888 | eol = strchr(buffer, '\n'); | |
889 | if (!eol) { | |
c99ba492 | 890 | ret = report(options, &tag->object, FSCK_MSG_MISSING_TYPE, "invalid format - unexpected end after 'type' line"); |
cec097be JS |
891 | goto done; |
892 | } | |
893 | if (type_from_string_gently(buffer, eol - buffer, 1) < 0) | |
c99ba492 | 894 | ret = report(options, &tag->object, FSCK_MSG_BAD_TYPE, "invalid 'type' value"); |
cec097be JS |
895 | if (ret) |
896 | goto done; | |
897 | buffer = eol + 1; | |
898 | ||
899 | if (!skip_prefix(buffer, "tag ", &buffer)) { | |
c99ba492 | 900 | ret = report(options, &tag->object, FSCK_MSG_MISSING_TAG_ENTRY, "invalid format - expected 'tag' line"); |
cec097be JS |
901 | goto done; |
902 | } | |
903 | eol = strchr(buffer, '\n'); | |
904 | if (!eol) { | |
c99ba492 | 905 | ret = report(options, &tag->object, FSCK_MSG_MISSING_TAG, "invalid format - unexpected end after 'type' line"); |
cec097be JS |
906 | goto done; |
907 | } | |
908 | strbuf_addf(&sb, "refs/tags/%.*s", (int)(eol - buffer), buffer); | |
f27d05b1 JS |
909 | if (check_refname_format(sb.buf, 0)) { |
910 | ret = report(options, &tag->object, FSCK_MSG_BAD_TAG_NAME, | |
c99ba492 | 911 | "invalid 'tag' name: %.*s", |
7add4419 | 912 | (int)(eol - buffer), buffer); |
f27d05b1 JS |
913 | if (ret) |
914 | goto done; | |
915 | } | |
cec097be JS |
916 | buffer = eol + 1; |
917 | ||
f27d05b1 | 918 | if (!skip_prefix(buffer, "tagger ", &buffer)) { |
cec097be | 919 | /* early tags do not contain 'tagger' lines; warn only */ |
f27d05b1 JS |
920 | ret = report(options, &tag->object, FSCK_MSG_MISSING_TAGGER_ENTRY, "invalid format - expected 'tagger' line"); |
921 | if (ret) | |
922 | goto done; | |
923 | } | |
cec097be | 924 | else |
22410549 | 925 | ret = fsck_ident(&buffer, &tag->object, options); |
cec097be JS |
926 | |
927 | done: | |
928 | strbuf_release(&sb); | |
929 | free(to_free); | |
930 | return ret; | |
931 | } | |
932 | ||
90a398bb | 933 | static int fsck_tag(struct tag *tag, const char *data, |
22410549 | 934 | unsigned long size, struct fsck_options *options) |
ba002f3b MK |
935 | { |
936 | struct object *tagged = tag->tagged; | |
937 | ||
938 | if (!tagged) | |
c99ba492 | 939 | return report(options, &tag->object, FSCK_MSG_BAD_TAG_OBJECT, "could not load tagged object"); |
cec097be | 940 | |
22410549 | 941 | return fsck_tag_buffer(tag, data, size, options); |
ba002f3b MK |
942 | } |
943 | ||
ed8b10f6 JK |
944 | struct fsck_gitmodules_data { |
945 | struct object *obj; | |
946 | struct fsck_options *options; | |
947 | int ret; | |
948 | }; | |
949 | ||
950 | static int fsck_gitmodules_fn(const char *var, const char *value, void *vdata) | |
951 | { | |
952 | struct fsck_gitmodules_data *data = vdata; | |
953 | const char *subsection, *key; | |
954 | int subsection_len; | |
955 | char *name; | |
956 | ||
957 | if (parse_config_key(var, "submodule", &subsection, &subsection_len, &key) < 0 || | |
958 | !subsection) | |
959 | return 0; | |
960 | ||
961 | name = xmemdupz(subsection, subsection_len); | |
962 | if (check_submodule_name(name) < 0) | |
963 | data->ret |= report(data->options, data->obj, | |
964 | FSCK_MSG_GITMODULES_NAME, | |
965 | "disallowed submodule name: %s", | |
966 | name); | |
a124133e JK |
967 | if (!strcmp(key, "url") && value && |
968 | looks_like_command_line_option(value)) | |
969 | data->ret |= report(data->options, data->obj, | |
970 | FSCK_MSG_GITMODULES_URL, | |
971 | "disallowed submodule url: %s", | |
972 | value); | |
1a7fd1fb JK |
973 | if (!strcmp(key, "path") && value && |
974 | looks_like_command_line_option(value)) | |
975 | data->ret |= report(data->options, data->obj, | |
976 | FSCK_MSG_GITMODULES_PATH, | |
977 | "disallowed submodule path: %s", | |
978 | value); | |
bb92255e JN |
979 | if (!strcmp(key, "update") && value && |
980 | parse_submodule_update_type(value) == SM_UPDATE_COMMAND) | |
981 | data->ret |= report(data->options, data->obj, | |
982 | FSCK_MSG_GITMODULES_UPDATE, | |
983 | "disallowed submodule update setting: %s", | |
984 | value); | |
ed8b10f6 JK |
985 | free(name); |
986 | ||
987 | return 0; | |
988 | } | |
989 | ||
7ac4f3a0 JK |
990 | static int fsck_blob(struct blob *blob, const char *buf, |
991 | unsigned long size, struct fsck_options *options) | |
992 | { | |
ed8b10f6 JK |
993 | struct fsck_gitmodules_data data; |
994 | ||
995 | if (!oidset_contains(&gitmodules_found, &blob->object.oid)) | |
996 | return 0; | |
997 | oidset_insert(&gitmodules_done, &blob->object.oid); | |
998 | ||
999 | if (!buf) { | |
1000 | /* | |
1001 | * A missing buffer here is a sign that the caller found the | |
1002 | * blob too gigantic to load into memory. Let's just consider | |
1003 | * that an error. | |
1004 | */ | |
1005 | return report(options, &blob->object, | |
1006 | FSCK_MSG_GITMODULES_PARSE, | |
1007 | ".gitmodules too large to parse"); | |
1008 | } | |
1009 | ||
1010 | data.obj = &blob->object; | |
1011 | data.options = options; | |
1012 | data.ret = 0; | |
1013 | if (git_config_from_mem(fsck_gitmodules_fn, CONFIG_ORIGIN_BLOB, | |
1014 | ".gitmodules", buf, size, &data)) | |
1015 | data.ret |= report(options, &blob->object, | |
1016 | FSCK_MSG_GITMODULES_PARSE, | |
1017 | "could not parse gitmodules blob"); | |
1018 | ||
1019 | return data.ret; | |
7ac4f3a0 JK |
1020 | } |
1021 | ||
90a398bb | 1022 | int fsck_object(struct object *obj, void *data, unsigned long size, |
22410549 | 1023 | struct fsck_options *options) |
ba002f3b MK |
1024 | { |
1025 | if (!obj) | |
c99ba492 | 1026 | return report(options, obj, FSCK_MSG_BAD_OBJECT_SHA1, "no valid object to fsck"); |
ba002f3b MK |
1027 | |
1028 | if (obj->type == OBJ_BLOB) | |
7ac4f3a0 | 1029 | return fsck_blob((struct blob *)obj, data, size, options); |
ba002f3b | 1030 | if (obj->type == OBJ_TREE) |
22410549 | 1031 | return fsck_tree((struct tree *) obj, options); |
ba002f3b | 1032 | if (obj->type == OBJ_COMMIT) |
90a398bb | 1033 | return fsck_commit((struct commit *) obj, (const char *) data, |
22410549 | 1034 | size, options); |
ba002f3b | 1035 | if (obj->type == OBJ_TAG) |
90a398bb | 1036 | return fsck_tag((struct tag *) obj, (const char *) data, |
22410549 | 1037 | size, options); |
ba002f3b | 1038 | |
c99ba492 | 1039 | return report(options, obj, FSCK_MSG_UNKNOWN_TYPE, "unknown type '%d' (internal fsck error)", |
ba002f3b MK |
1040 | obj->type); |
1041 | } | |
d6ffc8d7 | 1042 | |
1cd772cc JS |
1043 | int fsck_error_function(struct fsck_options *o, |
1044 | struct object *obj, int msg_type, const char *message) | |
d6ffc8d7 | 1045 | { |
0282f4dc | 1046 | if (msg_type == FSCK_WARN) { |
90cf590f | 1047 | warning("object %s: %s", describe_object(o, obj), message); |
0282f4dc JS |
1048 | return 0; |
1049 | } | |
90cf590f | 1050 | error("object %s: %s", describe_object(o, obj), message); |
d6ffc8d7 MK |
1051 | return 1; |
1052 | } | |
159e7b08 JK |
1053 | |
1054 | int fsck_finish(struct fsck_options *options) | |
1055 | { | |
1056 | int ret = 0; | |
1057 | struct oidset_iter iter; | |
1058 | const struct object_id *oid; | |
1059 | ||
1060 | oidset_iter_init(&gitmodules_found, &iter); | |
1061 | while ((oid = oidset_iter_next(&iter))) { | |
1062 | struct blob *blob; | |
1063 | enum object_type type; | |
1064 | unsigned long size; | |
1065 | char *buf; | |
1066 | ||
1067 | if (oidset_contains(&gitmodules_done, oid)) | |
1068 | continue; | |
1069 | ||
1070 | blob = lookup_blob(oid); | |
1071 | if (!blob) { | |
1072 | ret |= report(options, &blob->object, | |
1073 | FSCK_MSG_GITMODULES_BLOB, | |
1074 | "non-blob found at .gitmodules"); | |
1075 | continue; | |
1076 | } | |
1077 | ||
1078 | buf = read_sha1_file(oid->hash, &type, &size); | |
1079 | if (!buf) { | |
27387444 JK |
1080 | if (is_promisor_object(&blob->object.oid)) |
1081 | continue; | |
159e7b08 JK |
1082 | ret |= report(options, &blob->object, |
1083 | FSCK_MSG_GITMODULES_MISSING, | |
1084 | "unable to read .gitmodules blob"); | |
1085 | continue; | |
1086 | } | |
1087 | ||
1088 | if (type == OBJ_BLOB) | |
1089 | ret |= fsck_blob(blob, buf, size, options); | |
1090 | else | |
1091 | ret |= report(options, &blob->object, | |
1092 | FSCK_MSG_GITMODULES_BLOB, | |
1093 | "non-blob found at .gitmodules"); | |
1094 | free(buf); | |
1095 | } | |
1096 | ||
1097 | ||
1098 | oidset_clear(&gitmodules_found); | |
1099 | oidset_clear(&gitmodules_done); | |
1100 | return ret; | |
1101 | } |