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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" |
cd94c6f9 | 13 | #include "sha1-array.h" |
7b35efd7 | 14 | #include "decorate.h" |
159e7b08 | 15 | #include "oidset.h" |
27387444 | 16 | #include "packfile.h" |
ed8b10f6 JK |
17 | #include "submodule-config.h" |
18 | #include "config.h" | |
3ac68a93 | 19 | #include "help.h" |
159e7b08 JK |
20 | |
21 | static struct oidset gitmodules_found = OIDSET_INIT; | |
22 | static struct oidset gitmodules_done = OIDSET_INIT; | |
355885d5 | 23 | |
f50c4407 | 24 | #define FSCK_FATAL -1 |
f27d05b1 | 25 | #define FSCK_INFO -2 |
f50c4407 | 26 | |
c99ba492 | 27 | #define FOREACH_MSG_ID(FUNC) \ |
f50c4407 JS |
28 | /* fatal errors */ \ |
29 | FUNC(NUL_IN_HEADER, FATAL) \ | |
30 | FUNC(UNTERMINATED_HEADER, FATAL) \ | |
c99ba492 JS |
31 | /* errors */ \ |
32 | FUNC(BAD_DATE, ERROR) \ | |
33 | FUNC(BAD_DATE_OVERFLOW, ERROR) \ | |
34 | FUNC(BAD_EMAIL, ERROR) \ | |
35 | FUNC(BAD_NAME, ERROR) \ | |
36 | FUNC(BAD_OBJECT_SHA1, ERROR) \ | |
37 | FUNC(BAD_PARENT_SHA1, ERROR) \ | |
38 | FUNC(BAD_TAG_OBJECT, ERROR) \ | |
39 | FUNC(BAD_TIMEZONE, ERROR) \ | |
40 | FUNC(BAD_TREE, ERROR) \ | |
41 | FUNC(BAD_TREE_SHA1, ERROR) \ | |
42 | FUNC(BAD_TYPE, ERROR) \ | |
43 | FUNC(DUPLICATE_ENTRIES, ERROR) \ | |
44 | FUNC(MISSING_AUTHOR, ERROR) \ | |
45 | FUNC(MISSING_COMMITTER, ERROR) \ | |
46 | FUNC(MISSING_EMAIL, ERROR) \ | |
47 | FUNC(MISSING_GRAFT, ERROR) \ | |
48 | FUNC(MISSING_NAME_BEFORE_EMAIL, ERROR) \ | |
49 | FUNC(MISSING_OBJECT, ERROR) \ | |
50 | FUNC(MISSING_PARENT, ERROR) \ | |
51 | FUNC(MISSING_SPACE_BEFORE_DATE, ERROR) \ | |
52 | FUNC(MISSING_SPACE_BEFORE_EMAIL, ERROR) \ | |
53 | FUNC(MISSING_TAG, ERROR) \ | |
54 | FUNC(MISSING_TAG_ENTRY, ERROR) \ | |
55 | FUNC(MISSING_TAG_OBJECT, ERROR) \ | |
56 | FUNC(MISSING_TREE, ERROR) \ | |
159e7b08 | 57 | FUNC(MISSING_TREE_OBJECT, ERROR) \ |
c99ba492 JS |
58 | FUNC(MISSING_TYPE, ERROR) \ |
59 | FUNC(MISSING_TYPE_ENTRY, ERROR) \ | |
c9ad147f | 60 | FUNC(MULTIPLE_AUTHORS, ERROR) \ |
c99ba492 JS |
61 | FUNC(TAG_OBJECT_NOT_TAG, ERROR) \ |
62 | FUNC(TREE_NOT_SORTED, ERROR) \ | |
63 | FUNC(UNKNOWN_TYPE, ERROR) \ | |
c99ba492 | 64 | FUNC(ZERO_PADDED_DATE, ERROR) \ |
159e7b08 JK |
65 | FUNC(GITMODULES_MISSING, ERROR) \ |
66 | FUNC(GITMODULES_BLOB, ERROR) \ | |
0d68764d | 67 | FUNC(GITMODULES_LARGE, ERROR) \ |
ed8b10f6 | 68 | FUNC(GITMODULES_NAME, ERROR) \ |
b7b1fca1 | 69 | FUNC(GITMODULES_SYMLINK, ERROR) \ |
a124133e | 70 | FUNC(GITMODULES_URL, ERROR) \ |
1a7fd1fb | 71 | FUNC(GITMODULES_PATH, 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 | ||
cd94c6f9 JS |
185 | static void init_skiplist(struct fsck_options *options, const char *path) |
186 | { | |
910650d2 | 187 | static struct oid_array skiplist = OID_ARRAY_INIT; |
cd94c6f9 | 188 | int sorted, fd; |
365c27fb | 189 | char buffer[GIT_MAX_HEXSZ + 1]; |
190 | struct object_id oid; | |
cd94c6f9 JS |
191 | |
192 | if (options->skiplist) | |
193 | sorted = options->skiplist->sorted; | |
194 | else { | |
195 | sorted = 1; | |
196 | options->skiplist = &skiplist; | |
197 | } | |
198 | ||
199 | fd = open(path, O_RDONLY); | |
200 | if (fd < 0) | |
201 | die("Could not open skip list: %s", path); | |
202 | for (;;) { | |
365c27fb | 203 | const char *p; |
cd94c6f9 JS |
204 | int result = read_in_full(fd, buffer, sizeof(buffer)); |
205 | if (result < 0) | |
206 | die_errno("Could not read '%s'", path); | |
207 | if (!result) | |
208 | break; | |
365c27fb | 209 | if (parse_oid_hex(buffer, &oid, &p) || *p != '\n') |
cd94c6f9 | 210 | die("Invalid SHA-1: %s", buffer); |
910650d2 | 211 | oid_array_append(&skiplist, &oid); |
cd94c6f9 | 212 | if (sorted && skiplist.nr > 1 && |
ee3051bd | 213 | oidcmp(&skiplist.oid[skiplist.nr - 2], |
214 | &oid) > 0) | |
cd94c6f9 JS |
215 | sorted = 0; |
216 | } | |
217 | close(fd); | |
218 | ||
219 | if (sorted) | |
220 | skiplist.sorted = 1; | |
221 | } | |
222 | ||
0282f4dc JS |
223 | static int parse_msg_type(const char *str) |
224 | { | |
225 | if (!strcmp(str, "error")) | |
226 | return FSCK_ERROR; | |
227 | else if (!strcmp(str, "warn")) | |
228 | return FSCK_WARN; | |
efaba7cc JS |
229 | else if (!strcmp(str, "ignore")) |
230 | return FSCK_IGNORE; | |
0282f4dc JS |
231 | else |
232 | die("Unknown fsck message type: '%s'", str); | |
233 | } | |
234 | ||
5d477a33 JS |
235 | int is_valid_msg_type(const char *msg_id, const char *msg_type) |
236 | { | |
237 | if (parse_msg_id(msg_id) < 0) | |
238 | return 0; | |
239 | parse_msg_type(msg_type); | |
240 | return 1; | |
241 | } | |
242 | ||
0282f4dc JS |
243 | void fsck_set_msg_type(struct fsck_options *options, |
244 | const char *msg_id, const char *msg_type) | |
245 | { | |
246 | int id = parse_msg_id(msg_id), type; | |
247 | ||
248 | if (id < 0) | |
249 | die("Unhandled message id: %s", msg_id); | |
250 | type = parse_msg_type(msg_type); | |
251 | ||
f50c4407 JS |
252 | if (type != FSCK_ERROR && msg_id_info[id].msg_type == FSCK_FATAL) |
253 | die("Cannot demote %s to %s", msg_id, msg_type); | |
254 | ||
0282f4dc JS |
255 | if (!options->msg_type) { |
256 | int i; | |
b32fa95f JK |
257 | int *msg_type; |
258 | ALLOC_ARRAY(msg_type, FSCK_MSG_MAX); | |
0282f4dc JS |
259 | for (i = 0; i < FSCK_MSG_MAX; i++) |
260 | msg_type[i] = fsck_msg_type(i, options); | |
261 | options->msg_type = msg_type; | |
262 | } | |
263 | ||
264 | options->msg_type[id] = type; | |
265 | } | |
266 | ||
267 | void fsck_set_msg_types(struct fsck_options *options, const char *values) | |
268 | { | |
269 | char *buf = xstrdup(values), *to_free = buf; | |
270 | int done = 0; | |
271 | ||
272 | while (!done) { | |
273 | int len = strcspn(buf, " ,|"), equal; | |
274 | ||
275 | done = !buf[len]; | |
276 | if (!len) { | |
277 | buf++; | |
278 | continue; | |
279 | } | |
280 | buf[len] = '\0'; | |
281 | ||
282 | for (equal = 0; | |
283 | equal < len && buf[equal] != '=' && buf[equal] != ':'; | |
284 | equal++) | |
285 | buf[equal] = tolower(buf[equal]); | |
286 | buf[equal] = '\0'; | |
287 | ||
cd94c6f9 JS |
288 | if (!strcmp(buf, "skiplist")) { |
289 | if (equal == len) | |
290 | die("skiplist requires a path"); | |
291 | init_skiplist(options, buf + equal + 1); | |
292 | buf += len + 1; | |
293 | continue; | |
294 | } | |
295 | ||
0282f4dc JS |
296 | if (equal == len) |
297 | die("Missing '=': '%s'", buf); | |
355885d5 | 298 | |
0282f4dc JS |
299 | fsck_set_msg_type(options, buf, buf + equal + 1); |
300 | buf += len + 1; | |
301 | } | |
302 | free(to_free); | |
303 | } | |
304 | ||
71ab8fa8 JS |
305 | static void append_msg_id(struct strbuf *sb, const char *msg_id) |
306 | { | |
307 | for (;;) { | |
308 | char c = *(msg_id)++; | |
309 | ||
310 | if (!c) | |
311 | break; | |
312 | if (c != '_') | |
313 | strbuf_addch(sb, tolower(c)); | |
314 | else { | |
315 | assert(*msg_id); | |
316 | strbuf_addch(sb, *(msg_id)++); | |
317 | } | |
318 | } | |
319 | ||
320 | strbuf_addstr(sb, ": "); | |
321 | } | |
322 | ||
fb162877 RJ |
323 | static int object_on_skiplist(struct fsck_options *opts, struct object *obj) |
324 | { | |
325 | if (opts && opts->skiplist && obj) | |
326 | return oid_array_lookup(opts->skiplist, &obj->oid) >= 0; | |
327 | return 0; | |
328 | } | |
329 | ||
c99ba492 JS |
330 | __attribute__((format (printf, 4, 5))) |
331 | static int report(struct fsck_options *options, struct object *object, | |
332 | enum fsck_msg_id id, const char *fmt, ...) | |
333 | { | |
334 | va_list ap; | |
335 | struct strbuf sb = STRBUF_INIT; | |
336 | int msg_type = fsck_msg_type(id, options), result; | |
337 | ||
efaba7cc JS |
338 | if (msg_type == FSCK_IGNORE) |
339 | return 0; | |
340 | ||
fb162877 | 341 | if (object_on_skiplist(options, object)) |
cd94c6f9 JS |
342 | return 0; |
343 | ||
f50c4407 JS |
344 | if (msg_type == FSCK_FATAL) |
345 | msg_type = FSCK_ERROR; | |
f27d05b1 JS |
346 | else if (msg_type == FSCK_INFO) |
347 | msg_type = FSCK_WARN; | |
f50c4407 | 348 | |
71ab8fa8 JS |
349 | append_msg_id(&sb, msg_id_info[id].id_string); |
350 | ||
c99ba492 JS |
351 | va_start(ap, fmt); |
352 | strbuf_vaddf(&sb, fmt, ap); | |
1cd772cc | 353 | result = options->error_func(options, object, msg_type, sb.buf); |
c99ba492 JS |
354 | strbuf_release(&sb); |
355 | va_end(ap); | |
356 | ||
357 | return result; | |
358 | } | |
359 | ||
7b35efd7 JS |
360 | static char *get_object_name(struct fsck_options *options, struct object *obj) |
361 | { | |
362 | if (!options->object_names) | |
363 | return NULL; | |
364 | return lookup_decoration(options->object_names, obj); | |
365 | } | |
366 | ||
367 | static void put_object_name(struct fsck_options *options, struct object *obj, | |
368 | const char *fmt, ...) | |
369 | { | |
370 | va_list ap; | |
371 | struct strbuf buf = STRBUF_INIT; | |
372 | char *existing; | |
373 | ||
374 | if (!options->object_names) | |
375 | return; | |
376 | existing = lookup_decoration(options->object_names, obj); | |
377 | if (existing) | |
378 | return; | |
379 | va_start(ap, fmt); | |
380 | strbuf_vaddf(&buf, fmt, ap); | |
381 | add_decoration(options->object_names, obj, strbuf_detach(&buf, NULL)); | |
382 | va_end(ap); | |
383 | } | |
384 | ||
90cf590f JS |
385 | static const char *describe_object(struct fsck_options *o, struct object *obj) |
386 | { | |
387 | static struct strbuf buf = STRBUF_INIT; | |
388 | char *name; | |
389 | ||
390 | strbuf_reset(&buf); | |
391 | strbuf_addstr(&buf, oid_to_hex(&obj->oid)); | |
392 | if (o->object_names && (name = lookup_decoration(o->object_names, obj))) | |
393 | strbuf_addf(&buf, " (%s)", name); | |
394 | ||
395 | return buf.buf; | |
396 | } | |
397 | ||
22410549 | 398 | static int fsck_walk_tree(struct tree *tree, void *data, struct fsck_options *options) |
355885d5 MK |
399 | { |
400 | struct tree_desc desc; | |
401 | struct name_entry entry; | |
402 | int res = 0; | |
7b35efd7 | 403 | const char *name; |
355885d5 MK |
404 | |
405 | if (parse_tree(tree)) | |
406 | return -1; | |
407 | ||
7b35efd7 | 408 | name = get_object_name(options, &tree->object); |
8354fa3d DT |
409 | if (init_tree_desc_gently(&desc, tree->buffer, tree->size)) |
410 | return -1; | |
411 | while (tree_entry_gently(&desc, &entry)) { | |
7b35efd7 | 412 | struct object *obj; |
355885d5 MK |
413 | int result; |
414 | ||
415 | if (S_ISGITLINK(entry.mode)) | |
416 | continue; | |
7b35efd7 JS |
417 | |
418 | if (S_ISDIR(entry.mode)) { | |
f86bcc7b | 419 | obj = (struct object *)lookup_tree(the_repository, entry.oid); |
2720f6db | 420 | if (name && obj) |
7b35efd7 JS |
421 | put_object_name(options, obj, "%s%s/", name, |
422 | entry.path); | |
423 | result = options->walk(obj, OBJ_TREE, data, options); | |
424 | } | |
425 | else if (S_ISREG(entry.mode) || S_ISLNK(entry.mode)) { | |
da14a7ff | 426 | obj = (struct object *)lookup_blob(the_repository, entry.oid); |
2720f6db | 427 | if (name && obj) |
7b35efd7 JS |
428 | put_object_name(options, obj, "%s%s", name, |
429 | entry.path); | |
430 | result = options->walk(obj, OBJ_BLOB, data, options); | |
431 | } | |
355885d5 | 432 | else { |
82247e9b | 433 | result = error("in tree %s: entry %s has bad mode %.6o", |
90cf590f | 434 | describe_object(options, &tree->object), entry.path, entry.mode); |
355885d5 MK |
435 | } |
436 | if (result < 0) | |
437 | return result; | |
438 | if (!res) | |
439 | res = result; | |
440 | } | |
441 | return res; | |
442 | } | |
443 | ||
22410549 | 444 | static int fsck_walk_commit(struct commit *commit, void *data, struct fsck_options *options) |
355885d5 | 445 | { |
7b35efd7 | 446 | int counter = 0, generation = 0, name_prefix_len = 0; |
355885d5 MK |
447 | struct commit_list *parents; |
448 | int res; | |
449 | int result; | |
7b35efd7 | 450 | const char *name; |
355885d5 MK |
451 | |
452 | if (parse_commit(commit)) | |
453 | return -1; | |
454 | ||
7b35efd7 JS |
455 | name = get_object_name(options, &commit->object); |
456 | if (name) | |
2e27bd77 DS |
457 | put_object_name(options, &get_commit_tree(commit)->object, |
458 | "%s:", name); | |
7b35efd7 | 459 | |
2e27bd77 DS |
460 | result = options->walk((struct object *)get_commit_tree(commit), |
461 | OBJ_TREE, data, options); | |
355885d5 MK |
462 | if (result < 0) |
463 | return result; | |
464 | res = result; | |
465 | ||
466 | parents = commit->parents; | |
7b35efd7 JS |
467 | if (name && parents) { |
468 | int len = strlen(name), power; | |
469 | ||
470 | if (len && name[len - 1] == '^') { | |
471 | generation = 1; | |
472 | name_prefix_len = len - 1; | |
473 | } | |
474 | else { /* parse ~<generation> suffix */ | |
475 | for (generation = 0, power = 1; | |
476 | len && isdigit(name[len - 1]); | |
477 | power *= 10) | |
478 | generation += power * (name[--len] - '0'); | |
479 | if (power > 1 && len && name[len - 1] == '~') | |
480 | name_prefix_len = len - 1; | |
481 | } | |
482 | } | |
483 | ||
355885d5 | 484 | while (parents) { |
7b35efd7 JS |
485 | if (name) { |
486 | struct object *obj = &parents->item->object; | |
487 | ||
488 | if (++counter > 1) | |
489 | put_object_name(options, obj, "%s^%d", | |
490 | name, counter); | |
491 | else if (generation > 0) | |
492 | put_object_name(options, obj, "%.*s~%d", | |
493 | name_prefix_len, name, generation + 1); | |
494 | else | |
495 | put_object_name(options, obj, "%s^", name); | |
496 | } | |
22410549 | 497 | result = options->walk((struct object *)parents->item, OBJ_COMMIT, data, options); |
355885d5 MK |
498 | if (result < 0) |
499 | return result; | |
500 | if (!res) | |
501 | res = result; | |
502 | parents = parents->next; | |
503 | } | |
504 | return res; | |
505 | } | |
506 | ||
22410549 | 507 | static int fsck_walk_tag(struct tag *tag, void *data, struct fsck_options *options) |
355885d5 | 508 | { |
7b35efd7 JS |
509 | char *name = get_object_name(options, &tag->object); |
510 | ||
355885d5 MK |
511 | if (parse_tag(tag)) |
512 | return -1; | |
7b35efd7 JS |
513 | if (name) |
514 | put_object_name(options, tag->tagged, "%s", name); | |
22410549 | 515 | return options->walk(tag->tagged, OBJ_ANY, data, options); |
355885d5 MK |
516 | } |
517 | ||
22410549 | 518 | int fsck_walk(struct object *obj, void *data, struct fsck_options *options) |
355885d5 MK |
519 | { |
520 | if (!obj) | |
521 | return -1; | |
a2b22854 JK |
522 | |
523 | if (obj->type == OBJ_NONE) | |
109cd76d | 524 | parse_object(the_repository, &obj->oid); |
a2b22854 | 525 | |
355885d5 MK |
526 | switch (obj->type) { |
527 | case OBJ_BLOB: | |
528 | return 0; | |
529 | case OBJ_TREE: | |
22410549 | 530 | return fsck_walk_tree((struct tree *)obj, data, options); |
355885d5 | 531 | case OBJ_COMMIT: |
22410549 | 532 | return fsck_walk_commit((struct commit *)obj, data, options); |
355885d5 | 533 | case OBJ_TAG: |
22410549 | 534 | return fsck_walk_tag((struct tag *)obj, data, options); |
355885d5 | 535 | default: |
90cf590f | 536 | error("Unknown object type for %s", describe_object(options, obj)); |
355885d5 MK |
537 | return -1; |
538 | } | |
539 | } | |
ba002f3b MK |
540 | |
541 | /* | |
542 | * The entries in a tree are ordered in the _path_ order, | |
543 | * which means that a directory entry is ordered by adding | |
544 | * a slash to the end of it. | |
545 | * | |
546 | * So a directory called "a" is ordered _after_ a file | |
547 | * called "a.c", because "a/" sorts after "a.c". | |
548 | */ | |
549 | #define TREE_UNORDERED (-1) | |
550 | #define TREE_HAS_DUPS (-2) | |
551 | ||
552 | static int verify_ordered(unsigned mode1, const char *name1, unsigned mode2, const char *name2) | |
553 | { | |
554 | int len1 = strlen(name1); | |
555 | int len2 = strlen(name2); | |
556 | int len = len1 < len2 ? len1 : len2; | |
557 | unsigned char c1, c2; | |
558 | int cmp; | |
559 | ||
560 | cmp = memcmp(name1, name2, len); | |
561 | if (cmp < 0) | |
562 | return 0; | |
563 | if (cmp > 0) | |
564 | return TREE_UNORDERED; | |
565 | ||
566 | /* | |
567 | * Ok, the first <len> characters are the same. | |
568 | * Now we need to order the next one, but turn | |
569 | * a '\0' into a '/' for a directory entry. | |
570 | */ | |
571 | c1 = name1[len]; | |
572 | c2 = name2[len]; | |
573 | if (!c1 && !c2) | |
574 | /* | |
575 | * git-write-tree used to write out a nonsense tree that has | |
576 | * entries with the same name, one blob and one tree. Make | |
577 | * sure we do not have duplicate entries. | |
578 | */ | |
579 | return TREE_HAS_DUPS; | |
580 | if (!c1 && S_ISDIR(mode1)) | |
581 | c1 = '/'; | |
582 | if (!c2 && S_ISDIR(mode2)) | |
583 | c2 = '/'; | |
584 | return c1 < c2 ? 0 : TREE_UNORDERED; | |
585 | } | |
586 | ||
22410549 | 587 | static int fsck_tree(struct tree *item, struct fsck_options *options) |
ba002f3b | 588 | { |
8354fa3d | 589 | int retval = 0; |
c479d14a | 590 | int has_null_sha1 = 0; |
ba002f3b MK |
591 | int has_full_path = 0; |
592 | int has_empty_name = 0; | |
5d34a435 JK |
593 | int has_dot = 0; |
594 | int has_dotdot = 0; | |
5c17f512 | 595 | int has_dotgit = 0; |
ba002f3b MK |
596 | int has_zero_pad = 0; |
597 | int has_bad_modes = 0; | |
598 | int has_dup_entries = 0; | |
599 | int not_properly_sorted = 0; | |
600 | struct tree_desc desc; | |
601 | unsigned o_mode; | |
602 | const char *o_name; | |
ba002f3b | 603 | |
8354fa3d DT |
604 | if (init_tree_desc_gently(&desc, item->buffer, item->size)) { |
605 | retval += report(options, &item->object, FSCK_MSG_BAD_TREE, "cannot be parsed as a tree"); | |
606 | return retval; | |
607 | } | |
ba002f3b MK |
608 | |
609 | o_mode = 0; | |
610 | o_name = NULL; | |
ba002f3b MK |
611 | |
612 | while (desc.size) { | |
613 | unsigned mode; | |
614 | const char *name; | |
ce6663a9 | 615 | const struct object_id *oid; |
ba002f3b | 616 | |
ce6663a9 | 617 | oid = tree_entry_extract(&desc, &name, &mode); |
ba002f3b | 618 | |
ce6663a9 | 619 | has_null_sha1 |= is_null_oid(oid); |
effd12ec HS |
620 | has_full_path |= !!strchr(name, '/'); |
621 | has_empty_name |= !*name; | |
622 | has_dot |= !strcmp(name, "."); | |
623 | has_dotdot |= !strcmp(name, ".."); | |
ed9c3220 | 624 | has_dotgit |= is_hfs_dotgit(name) || is_ntfs_dotgit(name); |
ba002f3b | 625 | has_zero_pad |= *(char *)desc.buffer == '0'; |
159e7b08 | 626 | |
b7b1fca1 JK |
627 | if (is_hfs_dotgitmodules(name) || is_ntfs_dotgitmodules(name)) { |
628 | if (!S_ISLNK(mode)) | |
629 | oidset_insert(&gitmodules_found, oid); | |
630 | else | |
631 | retval += report(options, &item->object, | |
632 | FSCK_MSG_GITMODULES_SYMLINK, | |
633 | ".gitmodules is a symbolic link"); | |
634 | } | |
159e7b08 | 635 | |
8354fa3d DT |
636 | if (update_tree_entry_gently(&desc)) { |
637 | retval += report(options, &item->object, FSCK_MSG_BAD_TREE, "cannot be parsed as a tree"); | |
638 | break; | |
639 | } | |
ba002f3b MK |
640 | |
641 | switch (mode) { | |
642 | /* | |
643 | * Standard modes.. | |
644 | */ | |
645 | case S_IFREG | 0755: | |
646 | case S_IFREG | 0644: | |
647 | case S_IFLNK: | |
648 | case S_IFDIR: | |
649 | case S_IFGITLINK: | |
650 | break; | |
651 | /* | |
652 | * This is nonstandard, but we had a few of these | |
653 | * early on when we honored the full set of mode | |
654 | * bits.. | |
655 | */ | |
656 | case S_IFREG | 0664: | |
22410549 | 657 | if (!options->strict) |
ba002f3b | 658 | break; |
1cf01a34 | 659 | /* fallthrough */ |
ba002f3b MK |
660 | default: |
661 | has_bad_modes = 1; | |
662 | } | |
663 | ||
664 | if (o_name) { | |
665 | switch (verify_ordered(o_mode, o_name, mode, name)) { | |
666 | case TREE_UNORDERED: | |
667 | not_properly_sorted = 1; | |
668 | break; | |
669 | case TREE_HAS_DUPS: | |
670 | has_dup_entries = 1; | |
671 | break; | |
672 | default: | |
673 | break; | |
674 | } | |
675 | } | |
676 | ||
677 | o_mode = mode; | |
678 | o_name = name; | |
ba002f3b MK |
679 | } |
680 | ||
c479d14a | 681 | if (has_null_sha1) |
c99ba492 | 682 | retval += report(options, &item->object, FSCK_MSG_NULL_SHA1, "contains entries pointing to null sha1"); |
ba002f3b | 683 | if (has_full_path) |
c99ba492 | 684 | retval += report(options, &item->object, FSCK_MSG_FULL_PATHNAME, "contains full pathnames"); |
ba002f3b | 685 | if (has_empty_name) |
c99ba492 | 686 | retval += report(options, &item->object, FSCK_MSG_EMPTY_NAME, "contains empty pathname"); |
5d34a435 | 687 | if (has_dot) |
c99ba492 | 688 | retval += report(options, &item->object, FSCK_MSG_HAS_DOT, "contains '.'"); |
5d34a435 | 689 | if (has_dotdot) |
c99ba492 | 690 | retval += report(options, &item->object, FSCK_MSG_HAS_DOTDOT, "contains '..'"); |
5c17f512 | 691 | if (has_dotgit) |
c99ba492 | 692 | retval += report(options, &item->object, FSCK_MSG_HAS_DOTGIT, "contains '.git'"); |
ba002f3b | 693 | if (has_zero_pad) |
c99ba492 | 694 | retval += report(options, &item->object, FSCK_MSG_ZERO_PADDED_FILEMODE, "contains zero-padded file modes"); |
ba002f3b | 695 | if (has_bad_modes) |
c99ba492 | 696 | retval += report(options, &item->object, FSCK_MSG_BAD_FILEMODE, "contains bad file modes"); |
ba002f3b | 697 | if (has_dup_entries) |
c99ba492 | 698 | retval += report(options, &item->object, FSCK_MSG_DUPLICATE_ENTRIES, "contains duplicate file entries"); |
ba002f3b | 699 | if (not_properly_sorted) |
c99ba492 | 700 | retval += report(options, &item->object, FSCK_MSG_TREE_NOT_SORTED, "not properly sorted"); |
ba002f3b MK |
701 | return retval; |
702 | } | |
703 | ||
84d18c0b | 704 | static int verify_headers(const void *data, unsigned long size, |
b2f44feb | 705 | struct object *obj, struct fsck_options *options) |
4d0d8975 JS |
706 | { |
707 | const char *buffer = (const char *)data; | |
708 | unsigned long i; | |
709 | ||
710 | for (i = 0; i < size; i++) { | |
711 | switch (buffer[i]) { | |
712 | case '\0': | |
c99ba492 JS |
713 | return report(options, obj, |
714 | FSCK_MSG_NUL_IN_HEADER, | |
715 | "unterminated header: NUL at offset %ld", i); | |
4d0d8975 JS |
716 | case '\n': |
717 | if (i + 1 < size && buffer[i + 1] == '\n') | |
718 | return 0; | |
719 | } | |
720 | } | |
721 | ||
84d18c0b JH |
722 | /* |
723 | * We did not find double-LF that separates the header | |
724 | * and the body. Not having a body is not a crime but | |
725 | * we do want to see the terminating LF for the last header | |
726 | * line. | |
727 | */ | |
728 | if (size && buffer[size - 1] == '\n') | |
729 | return 0; | |
730 | ||
c99ba492 JS |
731 | return report(options, obj, |
732 | FSCK_MSG_UNTERMINATED_HEADER, "unterminated header"); | |
4d0d8975 JS |
733 | } |
734 | ||
22410549 | 735 | static int fsck_ident(const char **ident, struct object *obj, struct fsck_options *options) |
daae1922 | 736 | { |
e6826e33 | 737 | const char *p = *ident; |
d4b8de04 JK |
738 | char *end; |
739 | ||
e6826e33 JS |
740 | *ident = strchrnul(*ident, '\n'); |
741 | if (**ident == '\n') | |
742 | (*ident)++; | |
743 | ||
744 | if (*p == '<') | |
c99ba492 | 745 | return report(options, obj, FSCK_MSG_MISSING_NAME_BEFORE_EMAIL, "invalid author/committer line - missing space before email"); |
e6826e33 JS |
746 | p += strcspn(p, "<>\n"); |
747 | if (*p == '>') | |
c99ba492 | 748 | return report(options, obj, FSCK_MSG_BAD_NAME, "invalid author/committer line - bad name"); |
e6826e33 | 749 | if (*p != '<') |
c99ba492 | 750 | return report(options, obj, FSCK_MSG_MISSING_EMAIL, "invalid author/committer line - missing email"); |
e6826e33 | 751 | if (p[-1] != ' ') |
c99ba492 | 752 | return report(options, obj, FSCK_MSG_MISSING_SPACE_BEFORE_EMAIL, "invalid author/committer line - missing space before email"); |
e6826e33 JS |
753 | p++; |
754 | p += strcspn(p, "<>\n"); | |
755 | if (*p != '>') | |
c99ba492 | 756 | return report(options, obj, FSCK_MSG_BAD_EMAIL, "invalid author/committer line - bad email"); |
e6826e33 JS |
757 | p++; |
758 | if (*p != ' ') | |
c99ba492 | 759 | return report(options, obj, FSCK_MSG_MISSING_SPACE_BEFORE_DATE, "invalid author/committer line - missing space before date"); |
e6826e33 JS |
760 | p++; |
761 | if (*p == '0' && p[1] != ' ') | |
c99ba492 | 762 | return report(options, obj, FSCK_MSG_ZERO_PADDED_DATE, "invalid author/committer line - zero-padded date"); |
1aeb7e75 | 763 | if (date_overflows(parse_timestamp(p, &end, 10))) |
c99ba492 | 764 | return report(options, obj, FSCK_MSG_BAD_DATE_OVERFLOW, "invalid author/committer line - date causes integer overflow"); |
e6826e33 | 765 | if ((end == p || *end != ' ')) |
c99ba492 | 766 | return report(options, obj, FSCK_MSG_BAD_DATE, "invalid author/committer line - bad date"); |
e6826e33 JS |
767 | p = end + 1; |
768 | if ((*p != '+' && *p != '-') || | |
769 | !isdigit(p[1]) || | |
770 | !isdigit(p[2]) || | |
771 | !isdigit(p[3]) || | |
772 | !isdigit(p[4]) || | |
773 | (p[5] != '\n')) | |
c99ba492 | 774 | return report(options, obj, FSCK_MSG_BAD_TIMEZONE, "invalid author/committer line - bad time zone"); |
e6826e33 | 775 | p += 6; |
daae1922 JN |
776 | return 0; |
777 | } | |
778 | ||
bc6b8fc1 | 779 | static int fsck_commit_buffer(struct commit *commit, const char *buffer, |
22410549 | 780 | unsigned long size, struct fsck_options *options) |
ba002f3b | 781 | { |
c54f5ca9 | 782 | struct object_id tree_oid, oid; |
ba002f3b | 783 | struct commit_graft *graft; |
c9ad147f | 784 | unsigned parent_count, parent_line_count = 0, author_count; |
daae1922 | 785 | int err; |
6d2d780f | 786 | const char *buffer_begin = buffer; |
c54f5ca9 | 787 | const char *p; |
ba002f3b | 788 | |
b2f44feb | 789 | if (verify_headers(buffer, size, &commit->object, options)) |
4d0d8975 JS |
790 | return -1; |
791 | ||
cf4fff57 | 792 | if (!skip_prefix(buffer, "tree ", &buffer)) |
c99ba492 | 793 | return report(options, &commit->object, FSCK_MSG_MISSING_TREE, "invalid format - expected 'tree' line"); |
c54f5ca9 | 794 | if (parse_oid_hex(buffer, &tree_oid, &p) || *p != '\n') { |
b3584761 JS |
795 | err = report(options, &commit->object, FSCK_MSG_BAD_TREE_SHA1, "invalid 'tree' line format - bad sha1"); |
796 | if (err) | |
797 | return err; | |
798 | } | |
c54f5ca9 | 799 | buffer = p + 1; |
cf4fff57 | 800 | while (skip_prefix(buffer, "parent ", &buffer)) { |
c54f5ca9 | 801 | if (parse_oid_hex(buffer, &oid, &p) || *p != '\n') { |
b3584761 JS |
802 | err = report(options, &commit->object, FSCK_MSG_BAD_PARENT_SHA1, "invalid 'parent' line format - bad sha1"); |
803 | if (err) | |
804 | return err; | |
805 | } | |
c54f5ca9 | 806 | buffer = p + 1; |
9d02150c | 807 | parent_line_count++; |
ba002f3b | 808 | } |
1f93ecd1 | 809 | graft = lookup_commit_graft(the_repository, &commit->object.oid); |
9d02150c | 810 | parent_count = commit_list_count(commit->parents); |
ba002f3b | 811 | if (graft) { |
9d02150c | 812 | if (graft->nr_parent == -1 && !parent_count) |
ba002f3b | 813 | ; /* shallow commit */ |
b3584761 JS |
814 | else if (graft->nr_parent != parent_count) { |
815 | err = report(options, &commit->object, FSCK_MSG_MISSING_GRAFT, "graft objects missing"); | |
816 | if (err) | |
817 | return err; | |
818 | } | |
ba002f3b | 819 | } else { |
b3584761 JS |
820 | if (parent_count != parent_line_count) { |
821 | err = report(options, &commit->object, FSCK_MSG_MISSING_PARENT, "parent objects missing"); | |
822 | if (err) | |
823 | return err; | |
824 | } | |
ba002f3b | 825 | } |
c9ad147f JS |
826 | author_count = 0; |
827 | while (skip_prefix(buffer, "author ", &buffer)) { | |
828 | author_count++; | |
829 | err = fsck_ident(&buffer, &commit->object, options); | |
830 | if (err) | |
831 | return err; | |
ba002f3b | 832 | } |
c9ad147f JS |
833 | if (author_count < 1) |
834 | err = report(options, &commit->object, FSCK_MSG_MISSING_AUTHOR, "invalid format - expected 'author' line"); | |
835 | else if (author_count > 1) | |
836 | err = report(options, &commit->object, FSCK_MSG_MULTIPLE_AUTHORS, "invalid format - multiple 'author' lines"); | |
daae1922 JN |
837 | if (err) |
838 | return err; | |
cf4fff57 | 839 | if (!skip_prefix(buffer, "committer ", &buffer)) |
c99ba492 | 840 | return report(options, &commit->object, FSCK_MSG_MISSING_COMMITTER, "invalid format - expected 'committer' line"); |
22410549 | 841 | err = fsck_ident(&buffer, &commit->object, options); |
daae1922 JN |
842 | if (err) |
843 | return err; | |
2e27bd77 | 844 | if (!get_commit_tree(commit)) { |
c54f5ca9 | 845 | err = report(options, &commit->object, FSCK_MSG_BAD_TREE, "could not load commit's tree %s", oid_to_hex(&tree_oid)); |
5af29718 JH |
846 | if (err) |
847 | return err; | |
848 | } | |
6d2d780f JH |
849 | if (memchr(buffer_begin, '\0', size)) { |
850 | err = report(options, &commit->object, FSCK_MSG_NUL_IN_COMMIT, | |
851 | "NUL byte in the commit object body"); | |
852 | if (err) | |
853 | return err; | |
854 | } | |
ba002f3b MK |
855 | return 0; |
856 | } | |
857 | ||
90a398bb | 858 | static int fsck_commit(struct commit *commit, const char *data, |
22410549 | 859 | unsigned long size, struct fsck_options *options) |
bc6b8fc1 | 860 | { |
90a398bb | 861 | const char *buffer = data ? data : get_commit_buffer(commit, &size); |
22410549 | 862 | int ret = fsck_commit_buffer(commit, buffer, size, options); |
90a398bb JS |
863 | if (!data) |
864 | unuse_commit_buffer(commit, buffer); | |
bc6b8fc1 JK |
865 | return ret; |
866 | } | |
867 | ||
cec097be | 868 | static int fsck_tag_buffer(struct tag *tag, const char *data, |
22410549 | 869 | unsigned long size, struct fsck_options *options) |
cec097be | 870 | { |
c54f5ca9 | 871 | struct object_id oid; |
cec097be JS |
872 | int ret = 0; |
873 | const char *buffer; | |
874 | char *to_free = NULL, *eol; | |
875 | struct strbuf sb = STRBUF_INIT; | |
c54f5ca9 | 876 | const char *p; |
cec097be JS |
877 | |
878 | if (data) | |
879 | buffer = data; | |
880 | else { | |
881 | enum object_type type; | |
882 | ||
883 | buffer = to_free = | |
b4f5aca4 | 884 | read_object_file(&tag->object.oid, &type, &size); |
cec097be | 885 | if (!buffer) |
c99ba492 JS |
886 | return report(options, &tag->object, |
887 | FSCK_MSG_MISSING_TAG_OBJECT, | |
cec097be JS |
888 | "cannot read tag object"); |
889 | ||
890 | if (type != OBJ_TAG) { | |
c99ba492 JS |
891 | ret = report(options, &tag->object, |
892 | FSCK_MSG_TAG_OBJECT_NOT_TAG, | |
cec097be | 893 | "expected tag got %s", |
debca9d2 | 894 | type_name(type)); |
cec097be JS |
895 | goto done; |
896 | } | |
897 | } | |
898 | ||
8a272f29 RS |
899 | ret = verify_headers(buffer, size, &tag->object, options); |
900 | if (ret) | |
cec097be JS |
901 | goto done; |
902 | ||
903 | if (!skip_prefix(buffer, "object ", &buffer)) { | |
c99ba492 | 904 | ret = report(options, &tag->object, FSCK_MSG_MISSING_OBJECT, "invalid format - expected 'object' line"); |
cec097be JS |
905 | goto done; |
906 | } | |
c54f5ca9 | 907 | if (parse_oid_hex(buffer, &oid, &p) || *p != '\n') { |
c99ba492 | 908 | ret = report(options, &tag->object, FSCK_MSG_BAD_OBJECT_SHA1, "invalid 'object' line format - bad sha1"); |
7d7d5b05 JS |
909 | if (ret) |
910 | goto done; | |
cec097be | 911 | } |
c54f5ca9 | 912 | buffer = p + 1; |
cec097be JS |
913 | |
914 | if (!skip_prefix(buffer, "type ", &buffer)) { | |
c99ba492 | 915 | ret = report(options, &tag->object, FSCK_MSG_MISSING_TYPE_ENTRY, "invalid format - expected 'type' line"); |
cec097be JS |
916 | goto done; |
917 | } | |
918 | eol = strchr(buffer, '\n'); | |
919 | if (!eol) { | |
c99ba492 | 920 | ret = report(options, &tag->object, FSCK_MSG_MISSING_TYPE, "invalid format - unexpected end after 'type' line"); |
cec097be JS |
921 | goto done; |
922 | } | |
923 | if (type_from_string_gently(buffer, eol - buffer, 1) < 0) | |
c99ba492 | 924 | ret = report(options, &tag->object, FSCK_MSG_BAD_TYPE, "invalid 'type' value"); |
cec097be JS |
925 | if (ret) |
926 | goto done; | |
927 | buffer = eol + 1; | |
928 | ||
929 | if (!skip_prefix(buffer, "tag ", &buffer)) { | |
c99ba492 | 930 | ret = report(options, &tag->object, FSCK_MSG_MISSING_TAG_ENTRY, "invalid format - expected 'tag' line"); |
cec097be JS |
931 | goto done; |
932 | } | |
933 | eol = strchr(buffer, '\n'); | |
934 | if (!eol) { | |
c99ba492 | 935 | ret = report(options, &tag->object, FSCK_MSG_MISSING_TAG, "invalid format - unexpected end after 'type' line"); |
cec097be JS |
936 | goto done; |
937 | } | |
938 | strbuf_addf(&sb, "refs/tags/%.*s", (int)(eol - buffer), buffer); | |
f27d05b1 JS |
939 | if (check_refname_format(sb.buf, 0)) { |
940 | ret = report(options, &tag->object, FSCK_MSG_BAD_TAG_NAME, | |
c99ba492 | 941 | "invalid 'tag' name: %.*s", |
7add4419 | 942 | (int)(eol - buffer), buffer); |
f27d05b1 JS |
943 | if (ret) |
944 | goto done; | |
945 | } | |
cec097be JS |
946 | buffer = eol + 1; |
947 | ||
f27d05b1 | 948 | if (!skip_prefix(buffer, "tagger ", &buffer)) { |
cec097be | 949 | /* early tags do not contain 'tagger' lines; warn only */ |
f27d05b1 JS |
950 | ret = report(options, &tag->object, FSCK_MSG_MISSING_TAGGER_ENTRY, "invalid format - expected 'tagger' line"); |
951 | if (ret) | |
952 | goto done; | |
953 | } | |
cec097be | 954 | else |
22410549 | 955 | ret = fsck_ident(&buffer, &tag->object, options); |
cec097be JS |
956 | |
957 | done: | |
958 | strbuf_release(&sb); | |
959 | free(to_free); | |
960 | return ret; | |
961 | } | |
962 | ||
90a398bb | 963 | static int fsck_tag(struct tag *tag, const char *data, |
22410549 | 964 | unsigned long size, struct fsck_options *options) |
ba002f3b MK |
965 | { |
966 | struct object *tagged = tag->tagged; | |
967 | ||
968 | if (!tagged) | |
c99ba492 | 969 | return report(options, &tag->object, FSCK_MSG_BAD_TAG_OBJECT, "could not load tagged object"); |
cec097be | 970 | |
22410549 | 971 | return fsck_tag_buffer(tag, data, size, options); |
ba002f3b MK |
972 | } |
973 | ||
ed8b10f6 JK |
974 | struct fsck_gitmodules_data { |
975 | struct object *obj; | |
976 | struct fsck_options *options; | |
977 | int ret; | |
978 | }; | |
979 | ||
980 | static int fsck_gitmodules_fn(const char *var, const char *value, void *vdata) | |
981 | { | |
982 | struct fsck_gitmodules_data *data = vdata; | |
983 | const char *subsection, *key; | |
984 | int subsection_len; | |
985 | char *name; | |
986 | ||
987 | if (parse_config_key(var, "submodule", &subsection, &subsection_len, &key) < 0 || | |
988 | !subsection) | |
989 | return 0; | |
990 | ||
991 | name = xmemdupz(subsection, subsection_len); | |
992 | if (check_submodule_name(name) < 0) | |
993 | data->ret |= report(data->options, data->obj, | |
994 | FSCK_MSG_GITMODULES_NAME, | |
995 | "disallowed submodule name: %s", | |
996 | name); | |
a124133e JK |
997 | if (!strcmp(key, "url") && value && |
998 | looks_like_command_line_option(value)) | |
999 | data->ret |= report(data->options, data->obj, | |
1000 | FSCK_MSG_GITMODULES_URL, | |
1001 | "disallowed submodule url: %s", | |
1002 | value); | |
1a7fd1fb JK |
1003 | if (!strcmp(key, "path") && value && |
1004 | looks_like_command_line_option(value)) | |
1005 | data->ret |= report(data->options, data->obj, | |
1006 | FSCK_MSG_GITMODULES_PATH, | |
1007 | "disallowed submodule path: %s", | |
1008 | value); | |
ed8b10f6 JK |
1009 | free(name); |
1010 | ||
1011 | return 0; | |
1012 | } | |
1013 | ||
7ac4f3a0 JK |
1014 | static int fsck_blob(struct blob *blob, const char *buf, |
1015 | unsigned long size, struct fsck_options *options) | |
1016 | { | |
ed8b10f6 | 1017 | struct fsck_gitmodules_data data; |
de6bd9e3 | 1018 | struct config_options config_opts = { 0 }; |
ed8b10f6 JK |
1019 | |
1020 | if (!oidset_contains(&gitmodules_found, &blob->object.oid)) | |
1021 | return 0; | |
1022 | oidset_insert(&gitmodules_done, &blob->object.oid); | |
1023 | ||
fb162877 RJ |
1024 | if (object_on_skiplist(options, &blob->object)) |
1025 | return 0; | |
1026 | ||
ed8b10f6 JK |
1027 | if (!buf) { |
1028 | /* | |
1029 | * A missing buffer here is a sign that the caller found the | |
1030 | * blob too gigantic to load into memory. Let's just consider | |
1031 | * that an error. | |
1032 | */ | |
1033 | return report(options, &blob->object, | |
0d68764d | 1034 | FSCK_MSG_GITMODULES_LARGE, |
ed8b10f6 JK |
1035 | ".gitmodules too large to parse"); |
1036 | } | |
1037 | ||
1038 | data.obj = &blob->object; | |
1039 | data.options = options; | |
1040 | data.ret = 0; | |
de6bd9e3 | 1041 | config_opts.error_action = CONFIG_ERROR_SILENT; |
ed8b10f6 | 1042 | if (git_config_from_mem(fsck_gitmodules_fn, CONFIG_ORIGIN_BLOB, |
de6bd9e3 | 1043 | ".gitmodules", buf, size, &data, &config_opts)) |
ed8b10f6 JK |
1044 | data.ret |= report(options, &blob->object, |
1045 | FSCK_MSG_GITMODULES_PARSE, | |
1046 | "could not parse gitmodules blob"); | |
1047 | ||
1048 | return data.ret; | |
7ac4f3a0 JK |
1049 | } |
1050 | ||
90a398bb | 1051 | int fsck_object(struct object *obj, void *data, unsigned long size, |
22410549 | 1052 | struct fsck_options *options) |
ba002f3b MK |
1053 | { |
1054 | if (!obj) | |
c99ba492 | 1055 | return report(options, obj, FSCK_MSG_BAD_OBJECT_SHA1, "no valid object to fsck"); |
ba002f3b MK |
1056 | |
1057 | if (obj->type == OBJ_BLOB) | |
7ac4f3a0 | 1058 | return fsck_blob((struct blob *)obj, data, size, options); |
ba002f3b | 1059 | if (obj->type == OBJ_TREE) |
22410549 | 1060 | return fsck_tree((struct tree *) obj, options); |
ba002f3b | 1061 | if (obj->type == OBJ_COMMIT) |
90a398bb | 1062 | return fsck_commit((struct commit *) obj, (const char *) data, |
22410549 | 1063 | size, options); |
ba002f3b | 1064 | if (obj->type == OBJ_TAG) |
90a398bb | 1065 | return fsck_tag((struct tag *) obj, (const char *) data, |
22410549 | 1066 | size, options); |
ba002f3b | 1067 | |
c99ba492 | 1068 | return report(options, obj, FSCK_MSG_UNKNOWN_TYPE, "unknown type '%d' (internal fsck error)", |
ba002f3b MK |
1069 | obj->type); |
1070 | } | |
d6ffc8d7 | 1071 | |
1cd772cc JS |
1072 | int fsck_error_function(struct fsck_options *o, |
1073 | struct object *obj, int msg_type, const char *message) | |
d6ffc8d7 | 1074 | { |
0282f4dc | 1075 | if (msg_type == FSCK_WARN) { |
90cf590f | 1076 | warning("object %s: %s", describe_object(o, obj), message); |
0282f4dc JS |
1077 | return 0; |
1078 | } | |
90cf590f | 1079 | error("object %s: %s", describe_object(o, obj), message); |
d6ffc8d7 MK |
1080 | return 1; |
1081 | } | |
159e7b08 JK |
1082 | |
1083 | int fsck_finish(struct fsck_options *options) | |
1084 | { | |
1085 | int ret = 0; | |
1086 | struct oidset_iter iter; | |
1087 | const struct object_id *oid; | |
1088 | ||
1089 | oidset_iter_init(&gitmodules_found, &iter); | |
1090 | while ((oid = oidset_iter_next(&iter))) { | |
1091 | struct blob *blob; | |
1092 | enum object_type type; | |
1093 | unsigned long size; | |
1094 | char *buf; | |
1095 | ||
1096 | if (oidset_contains(&gitmodules_done, oid)) | |
1097 | continue; | |
1098 | ||
da14a7ff | 1099 | blob = lookup_blob(the_repository, oid); |
159e7b08 | 1100 | if (!blob) { |
47cc9131 JK |
1101 | struct object *obj = lookup_unknown_object(oid->hash); |
1102 | ret |= report(options, obj, | |
159e7b08 JK |
1103 | FSCK_MSG_GITMODULES_BLOB, |
1104 | "non-blob found at .gitmodules"); | |
1105 | continue; | |
1106 | } | |
1107 | ||
7913f53b | 1108 | buf = read_object_file(oid, &type, &size); |
159e7b08 | 1109 | if (!buf) { |
27387444 JK |
1110 | if (is_promisor_object(&blob->object.oid)) |
1111 | continue; | |
159e7b08 JK |
1112 | ret |= report(options, &blob->object, |
1113 | FSCK_MSG_GITMODULES_MISSING, | |
1114 | "unable to read .gitmodules blob"); | |
1115 | continue; | |
1116 | } | |
1117 | ||
1118 | if (type == OBJ_BLOB) | |
1119 | ret |= fsck_blob(blob, buf, size, options); | |
1120 | else | |
1121 | ret |= report(options, &blob->object, | |
1122 | FSCK_MSG_GITMODULES_BLOB, | |
1123 | "non-blob found at .gitmodules"); | |
1124 | free(buf); | |
1125 | } | |
1126 | ||
1127 | ||
1128 | oidset_clear(&gitmodules_found); | |
1129 | oidset_clear(&gitmodules_done); | |
1130 | return ret; | |
1131 | } |