2 fae40e36 2019-04-13 stsp * Copyright (c) 2018, 2019 Stefan Sperling <stsp@openbsd.org>
4 a440fac0 2018-09-06 stsp * Permission to use, copy, modify, and distribute this software for any
5 a440fac0 2018-09-06 stsp * purpose with or without fee is hereby granted, provided that the above
6 a440fac0 2018-09-06 stsp * copyright notice and this permission notice appear in all copies.
8 a440fac0 2018-09-06 stsp * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 a440fac0 2018-09-06 stsp * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 a440fac0 2018-09-06 stsp * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 a440fac0 2018-09-06 stsp * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 a440fac0 2018-09-06 stsp * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 a440fac0 2018-09-06 stsp * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 a440fac0 2018-09-06 stsp * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 a440fac0 2018-09-06 stsp #include <sys/types.h>
18 a440fac0 2018-09-06 stsp #include <sys/stat.h>
19 a440fac0 2018-09-06 stsp #include <sys/queue.h>
20 a440fac0 2018-09-06 stsp #include <sys/uio.h>
21 a440fac0 2018-09-06 stsp #include <sys/socket.h>
22 876c234b 2018-09-10 stsp #include <sys/syslimits.h>
23 a440fac0 2018-09-06 stsp #include <sys/wait.h>
25 a440fac0 2018-09-06 stsp #include <errno.h>
26 a440fac0 2018-09-06 stsp #include <stdio.h>
27 a440fac0 2018-09-06 stsp #include <stdlib.h>
28 a440fac0 2018-09-06 stsp #include <string.h>
29 a440fac0 2018-09-06 stsp #include <stdint.h>
30 a440fac0 2018-09-06 stsp #include <sha1.h>
31 a440fac0 2018-09-06 stsp #include <zlib.h>
32 a440fac0 2018-09-06 stsp #include <ctype.h>
33 a440fac0 2018-09-06 stsp #include <limits.h>
34 a440fac0 2018-09-06 stsp #include <imsg.h>
35 a440fac0 2018-09-06 stsp #include <time.h>
36 ad242220 2018-09-08 stsp #include <unistd.h>
38 a440fac0 2018-09-06 stsp #include "got_error.h"
39 a440fac0 2018-09-06 stsp #include "got_object.h"
40 a440fac0 2018-09-06 stsp #include "got_repository.h"
41 a440fac0 2018-09-06 stsp #include "got_opentemp.h"
42 324d37e7 2019-05-11 stsp #include "got_path.h"
44 a440fac0 2018-09-06 stsp #include "got_lib_sha1.h"
45 a440fac0 2018-09-06 stsp #include "got_lib_delta.h"
46 41fa1437 2018-11-05 stsp #include "got_lib_inflate.h"
47 41fa1437 2018-11-05 stsp #include "got_lib_object.h"
48 6bef87be 2018-09-11 stsp #include "got_lib_object_cache.h"
49 15a94983 2018-12-23 stsp #include "got_lib_pack.h"
50 15a94983 2018-12-23 stsp #include "got_lib_privsep.h"
51 ad242220 2018-09-08 stsp #include "got_lib_repository.h"
53 a440fac0 2018-09-06 stsp #ifndef nitems
54 a440fac0 2018-09-06 stsp #define nitems(_a) (sizeof(_a) / sizeof((_a)[0]))
58 f054b67a 2018-11-05 stsp got_object_id_cmp(const struct got_object_id *id1,
59 f054b67a 2018-11-05 stsp const struct got_object_id *id2)
61 f054b67a 2018-11-05 stsp return memcmp(id1->sha1, id2->sha1, SHA1_DIGEST_LENGTH);
64 2ff12563 2018-09-15 stsp const struct got_error *
65 5df4932d 2018-11-05 stsp got_object_qid_alloc_partial(struct got_object_qid **qid)
67 5df4932d 2018-11-05 stsp const struct got_error *err = NULL;
69 5df4932d 2018-11-05 stsp *qid = malloc(sizeof(**qid));
70 5df4932d 2018-11-05 stsp if (*qid == NULL)
71 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
73 5df4932d 2018-11-05 stsp (*qid)->id = malloc(sizeof(*((*qid)->id)));
74 5df4932d 2018-11-05 stsp if ((*qid)->id == NULL) {
75 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
76 5df4932d 2018-11-05 stsp got_object_qid_free(*qid);
77 5df4932d 2018-11-05 stsp *qid = NULL;
81 5df4932d 2018-11-05 stsp return NULL;
84 5df4932d 2018-11-05 stsp const struct got_error *
85 2ff12563 2018-09-15 stsp got_object_id_str(char **outbuf, struct got_object_id *id)
87 2ff12563 2018-09-15 stsp static const size_t len = SHA1_DIGEST_STRING_LENGTH;
89 2ff12563 2018-09-15 stsp *outbuf = malloc(len);
90 2ff12563 2018-09-15 stsp if (*outbuf == NULL)
91 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
93 2ff12563 2018-09-15 stsp if (got_sha1_digest_to_str(id->sha1, *outbuf, len) == NULL) {
94 2ff12563 2018-09-15 stsp free(*outbuf);
95 2ff12563 2018-09-15 stsp *outbuf = NULL;
96 2ff12563 2018-09-15 stsp return got_error(GOT_ERR_BAD_OBJ_ID_STR);
99 2ff12563 2018-09-15 stsp return NULL;
103 03fa71c8 2018-09-06 stsp got_object_close(struct got_object *obj)
105 03fa71c8 2018-09-06 stsp if (obj->refcnt > 0) {
106 03fa71c8 2018-09-06 stsp obj->refcnt--;
107 03fa71c8 2018-09-06 stsp if (obj->refcnt > 0)
111 03fa71c8 2018-09-06 stsp if (obj->flags & GOT_OBJ_FLAG_DELTIFIED) {
112 03fa71c8 2018-09-06 stsp struct got_delta *delta;
113 03fa71c8 2018-09-06 stsp while (!SIMPLEQ_EMPTY(&obj->deltas.entries)) {
114 03fa71c8 2018-09-06 stsp delta = SIMPLEQ_FIRST(&obj->deltas.entries);
115 03fa71c8 2018-09-06 stsp SIMPLEQ_REMOVE_HEAD(&obj->deltas.entries, entry);
116 03fa71c8 2018-09-06 stsp got_delta_close(delta);
119 03fa71c8 2018-09-06 stsp if (obj->flags & GOT_OBJ_FLAG_PACKED)
120 03fa71c8 2018-09-06 stsp free(obj->path_packfile);
125 03fa71c8 2018-09-06 stsp got_object_qid_free(struct got_object_qid *qid)
127 03fa71c8 2018-09-06 stsp free(qid->id);
131 1785f84a 2018-12-23 stsp const struct got_error *
132 1785f84a 2018-12-23 stsp got_object_parse_header(struct got_object **obj, char *buf, size_t len)
134 ff2a4428 2019-03-19 stsp const char *obj_labels[] = {
135 ff2a4428 2019-03-19 stsp GOT_OBJ_LABEL_COMMIT,
136 ff2a4428 2019-03-19 stsp GOT_OBJ_LABEL_TREE,
137 ff2a4428 2019-03-19 stsp GOT_OBJ_LABEL_BLOB,
138 ff2a4428 2019-03-19 stsp GOT_OBJ_LABEL_TAG,
140 1785f84a 2018-12-23 stsp const int obj_types[] = {
141 1785f84a 2018-12-23 stsp GOT_OBJ_TYPE_COMMIT,
142 1785f84a 2018-12-23 stsp GOT_OBJ_TYPE_TREE,
143 1785f84a 2018-12-23 stsp GOT_OBJ_TYPE_BLOB,
144 1785f84a 2018-12-23 stsp GOT_OBJ_TYPE_TAG,
146 1785f84a 2018-12-23 stsp int type = 0;
147 1785f84a 2018-12-23 stsp size_t size = 0, hdrlen = 0;
150 1785f84a 2018-12-23 stsp *obj = NULL;
152 9ef4ac16 2019-04-13 stsp hdrlen = strnlen(buf, len) + 1 /* '\0' */;
153 9ef4ac16 2019-04-13 stsp if (hdrlen > len)
154 9ef4ac16 2019-04-13 stsp return got_error(GOT_ERR_BAD_OBJ_HDR);
156 ff2a4428 2019-03-19 stsp for (i = 0; i < nitems(obj_labels); i++) {
157 ff2a4428 2019-03-19 stsp const char *label = obj_labels[i];
158 ff2a4428 2019-03-19 stsp size_t label_len = strlen(label);
159 1785f84a 2018-12-23 stsp const char *errstr;
161 ff2a4428 2019-03-19 stsp if (strncmp(buf, label, label_len) != 0)
164 1785f84a 2018-12-23 stsp type = obj_types[i];
165 ff2a4428 2019-03-19 stsp if (len <= label_len)
166 1785f84a 2018-12-23 stsp return got_error(GOT_ERR_BAD_OBJ_HDR);
167 ff2a4428 2019-03-19 stsp size = strtonum(buf + label_len, 0, LONG_MAX, &errstr);
168 1785f84a 2018-12-23 stsp if (errstr != NULL)
169 1785f84a 2018-12-23 stsp return got_error(GOT_ERR_BAD_OBJ_HDR);
173 1785f84a 2018-12-23 stsp if (type == 0)
174 1785f84a 2018-12-23 stsp return got_error(GOT_ERR_BAD_OBJ_HDR);
176 1785f84a 2018-12-23 stsp *obj = calloc(1, sizeof(**obj));
177 1785f84a 2018-12-23 stsp if (*obj == NULL)
178 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
179 1785f84a 2018-12-23 stsp (*obj)->type = type;
180 1785f84a 2018-12-23 stsp (*obj)->hdrlen = hdrlen;
181 1785f84a 2018-12-23 stsp (*obj)->size = size;
182 1785f84a 2018-12-23 stsp return NULL;
185 1785f84a 2018-12-23 stsp const struct got_error *
186 1785f84a 2018-12-23 stsp got_object_read_header(struct got_object **obj, int fd)
188 1785f84a 2018-12-23 stsp const struct got_error *err;
189 23bc48a9 2019-03-19 stsp struct got_inflate_buf zb;
191 1785f84a 2018-12-23 stsp const size_t zbsize = 64;
192 1785f84a 2018-12-23 stsp size_t outlen, totlen;
193 1785f84a 2018-12-23 stsp int nbuf = 1;
195 1785f84a 2018-12-23 stsp *obj = NULL;
197 1785f84a 2018-12-23 stsp buf = malloc(zbsize);
198 1785f84a 2018-12-23 stsp if (buf == NULL)
199 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
201 1785f84a 2018-12-23 stsp err = got_inflate_init(&zb, buf, zbsize);
203 1785f84a 2018-12-23 stsp return err;
205 1785f84a 2018-12-23 stsp totlen = 0;
207 1785f84a 2018-12-23 stsp err = got_inflate_read_fd(&zb, fd, &outlen);
210 1785f84a 2018-12-23 stsp if (outlen == 0)
212 1785f84a 2018-12-23 stsp totlen += outlen;
213 dedbbd9d 2019-04-13 stsp if (memchr(zb.outbuf, '\0', outlen) == NULL) {
214 1785f84a 2018-12-23 stsp char *newbuf;
216 1785f84a 2018-12-23 stsp newbuf = recallocarray(buf, nbuf - 1, nbuf, zbsize);
217 1785f84a 2018-12-23 stsp if (newbuf == NULL) {
218 638f9024 2019-05-13 stsp err = got_error_from_errno("recallocarray");
221 1785f84a 2018-12-23 stsp buf = newbuf;
222 1785f84a 2018-12-23 stsp zb.outbuf = newbuf + totlen;
223 1785f84a 2018-12-23 stsp zb.outlen = (nbuf * zbsize) - totlen;
225 dedbbd9d 2019-04-13 stsp } while (memchr(zb.outbuf, '\0', outlen) == NULL);
227 1785f84a 2018-12-23 stsp err = got_object_parse_header(obj, buf, totlen);
230 1785f84a 2018-12-23 stsp got_inflate_end(&zb);
231 1785f84a 2018-12-23 stsp return err;
234 a440fac0 2018-09-06 stsp struct got_commit_object *
235 a440fac0 2018-09-06 stsp got_object_commit_alloc_partial(void)
237 a440fac0 2018-09-06 stsp struct got_commit_object *commit;
239 a440fac0 2018-09-06 stsp commit = calloc(1, sizeof(*commit));
240 a440fac0 2018-09-06 stsp if (commit == NULL)
241 a440fac0 2018-09-06 stsp return NULL;
242 acf0c7c6 2018-11-05 stsp commit->tree_id = malloc(sizeof(*commit->tree_id));
243 a440fac0 2018-09-06 stsp if (commit->tree_id == NULL) {
244 a440fac0 2018-09-06 stsp free(commit);
245 a440fac0 2018-09-06 stsp return NULL;
248 a440fac0 2018-09-06 stsp SIMPLEQ_INIT(&commit->parent_ids);
250 a440fac0 2018-09-06 stsp return commit;
253 a440fac0 2018-09-06 stsp const struct got_error *
254 a440fac0 2018-09-06 stsp got_object_commit_add_parent(struct got_commit_object *commit,
255 a440fac0 2018-09-06 stsp const char *id_str)
257 a440fac0 2018-09-06 stsp const struct got_error *err = NULL;
258 a440fac0 2018-09-06 stsp struct got_object_qid *qid;
260 5df4932d 2018-11-05 stsp err = got_object_qid_alloc_partial(&qid);
262 7762fe12 2018-11-05 stsp return err;
264 a440fac0 2018-09-06 stsp if (!got_parse_sha1_digest(qid->id->sha1, id_str)) {
265 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
266 a440fac0 2018-09-06 stsp free(qid->id);
268 a440fac0 2018-09-06 stsp return err;
271 a440fac0 2018-09-06 stsp SIMPLEQ_INSERT_TAIL(&commit->parent_ids, qid, entry);
272 a440fac0 2018-09-06 stsp commit->nparents++;
274 a440fac0 2018-09-06 stsp return NULL;
277 a440fac0 2018-09-06 stsp static const struct got_error *
278 a440fac0 2018-09-06 stsp parse_gmtoff(time_t *gmtoff, const char *tzstr)
280 a440fac0 2018-09-06 stsp int sign = 1;
281 a440fac0 2018-09-06 stsp const char *p = tzstr;
282 a440fac0 2018-09-06 stsp time_t h, m;
284 a440fac0 2018-09-06 stsp *gmtoff = 0;
286 a440fac0 2018-09-06 stsp if (*p == '-')
288 a440fac0 2018-09-06 stsp else if (*p != '+')
289 a440fac0 2018-09-06 stsp return got_error(GOT_ERR_BAD_OBJ_DATA);
291 a440fac0 2018-09-06 stsp if (!isdigit(*p) && !isdigit(*(p + 1)))
292 a440fac0 2018-09-06 stsp return got_error(GOT_ERR_BAD_OBJ_DATA);
293 a440fac0 2018-09-06 stsp h = (((*p - '0') * 10) + (*(p + 1) - '0'));
296 a440fac0 2018-09-06 stsp if (!isdigit(*p) && !isdigit(*(p + 1)))
297 a440fac0 2018-09-06 stsp return got_error(GOT_ERR_BAD_OBJ_DATA);
298 a440fac0 2018-09-06 stsp m = ((*p - '0') * 10) + (*(p + 1) - '0');
300 a440fac0 2018-09-06 stsp *gmtoff = (h * 60 * 60 + m * 60) * sign;
301 a440fac0 2018-09-06 stsp return NULL;
304 a440fac0 2018-09-06 stsp static const struct got_error *
305 ccb26ccd 2018-11-05 stsp parse_commit_time(time_t *time, time_t *gmtoff, char *committer)
307 a440fac0 2018-09-06 stsp const struct got_error *err = NULL;
308 a440fac0 2018-09-06 stsp const char *errstr;
309 a440fac0 2018-09-06 stsp char *space, *tzstr;
311 a440fac0 2018-09-06 stsp /* Parse and strip off trailing timezone indicator string. */
312 a440fac0 2018-09-06 stsp space = strrchr(committer, ' ');
313 a440fac0 2018-09-06 stsp if (space == NULL)
314 a440fac0 2018-09-06 stsp return got_error(GOT_ERR_BAD_OBJ_DATA);
315 a440fac0 2018-09-06 stsp tzstr = strdup(space + 1);
316 a440fac0 2018-09-06 stsp if (tzstr == NULL)
317 638f9024 2019-05-13 stsp return got_error_from_errno("strdup");
318 ccb26ccd 2018-11-05 stsp err = parse_gmtoff(gmtoff, tzstr);
319 a440fac0 2018-09-06 stsp free(tzstr);
321 a440fac0 2018-09-06 stsp return err;
322 a440fac0 2018-09-06 stsp *space = '\0';
324 a440fac0 2018-09-06 stsp /* Timestamp is separated from committer name + email by space. */
325 a440fac0 2018-09-06 stsp space = strrchr(committer, ' ');
326 a440fac0 2018-09-06 stsp if (space == NULL)
327 a440fac0 2018-09-06 stsp return got_error(GOT_ERR_BAD_OBJ_DATA);
329 a440fac0 2018-09-06 stsp /* Timestamp parsed here is expressed in comitter's local time. */
330 ccb26ccd 2018-11-05 stsp *time = strtonum(space + 1, 0, INT64_MAX, &errstr);
331 a440fac0 2018-09-06 stsp if (errstr)
332 a440fac0 2018-09-06 stsp return got_error(GOT_ERR_BAD_OBJ_DATA);
334 a440fac0 2018-09-06 stsp /* Express the time stamp in UTC. */
335 ccb26ccd 2018-11-05 stsp *time -= *gmtoff;
337 a440fac0 2018-09-06 stsp /* Strip off parsed time information, leaving just author and email. */
338 a440fac0 2018-09-06 stsp *space = '\0';
340 a440fac0 2018-09-06 stsp return NULL;
344 03fa71c8 2018-09-06 stsp got_object_commit_close(struct got_commit_object *commit)
346 03fa71c8 2018-09-06 stsp struct got_object_qid *qid;
348 03fa71c8 2018-09-06 stsp if (commit->refcnt > 0) {
349 03fa71c8 2018-09-06 stsp commit->refcnt--;
350 03fa71c8 2018-09-06 stsp if (commit->refcnt > 0)
354 03fa71c8 2018-09-06 stsp while (!SIMPLEQ_EMPTY(&commit->parent_ids)) {
355 03fa71c8 2018-09-06 stsp qid = SIMPLEQ_FIRST(&commit->parent_ids);
356 03fa71c8 2018-09-06 stsp SIMPLEQ_REMOVE_HEAD(&commit->parent_ids, entry);
357 03fa71c8 2018-09-06 stsp got_object_qid_free(qid);
360 03fa71c8 2018-09-06 stsp free(commit->tree_id);
361 03fa71c8 2018-09-06 stsp free(commit->author);
362 03fa71c8 2018-09-06 stsp free(commit->committer);
363 03fa71c8 2018-09-06 stsp free(commit->logmsg);
364 03fa71c8 2018-09-06 stsp free(commit);
367 45d799e2 2018-12-23 stsp struct got_object_id *
368 45d799e2 2018-12-23 stsp got_object_commit_get_tree_id(struct got_commit_object *commit)
370 45d799e2 2018-12-23 stsp return commit->tree_id;
374 45d799e2 2018-12-23 stsp got_object_commit_get_nparents(struct got_commit_object *commit)
376 45d799e2 2018-12-23 stsp return commit->nparents;
379 45d799e2 2018-12-23 stsp const struct got_object_id_queue *
380 45d799e2 2018-12-23 stsp got_object_commit_get_parent_ids(struct got_commit_object *commit)
382 45d799e2 2018-12-23 stsp return &commit->parent_ids;
385 45d799e2 2018-12-23 stsp const char *
386 45d799e2 2018-12-23 stsp got_object_commit_get_author(struct got_commit_object *commit)
388 45d799e2 2018-12-23 stsp return commit->author;
392 45d799e2 2018-12-23 stsp got_object_commit_get_author_time(struct got_commit_object *commit)
394 45d799e2 2018-12-23 stsp return commit->author_time;
397 45d799e2 2018-12-23 stsp time_t got_object_commit_get_author_gmtoff(struct got_commit_object *commit)
399 45d799e2 2018-12-23 stsp return commit->author_gmtoff;
402 45d799e2 2018-12-23 stsp const char *
403 45d799e2 2018-12-23 stsp got_object_commit_get_committer(struct got_commit_object *commit)
405 45d799e2 2018-12-23 stsp return commit->committer;
409 45d799e2 2018-12-23 stsp got_object_commit_get_committer_time(struct got_commit_object *commit)
411 45d799e2 2018-12-23 stsp return commit->committer_time;
415 45d799e2 2018-12-23 stsp got_object_commit_get_committer_gmtoff(struct got_commit_object *commit)
417 45d799e2 2018-12-23 stsp return commit->committer_gmtoff;
420 45d799e2 2018-12-23 stsp const char *
421 45d799e2 2018-12-23 stsp got_object_commit_get_logmsg(struct got_commit_object *commit)
423 45d799e2 2018-12-23 stsp return commit->logmsg;
426 a440fac0 2018-09-06 stsp const struct got_error *
427 5e0b25c4 2018-12-24 stsp got_object_parse_commit(struct got_commit_object **commit, char *buf,
428 5e0b25c4 2018-12-24 stsp size_t len)
430 a440fac0 2018-09-06 stsp const struct got_error *err = NULL;
431 a440fac0 2018-09-06 stsp char *s = buf;
432 ff2a4428 2019-03-19 stsp size_t label_len;
433 a440fac0 2018-09-06 stsp ssize_t remain = (ssize_t)len;
435 a440fac0 2018-09-06 stsp *commit = got_object_commit_alloc_partial();
436 a440fac0 2018-09-06 stsp if (*commit == NULL)
437 638f9024 2019-05-13 stsp return got_error_from_errno("got_object_commit_alloc_partial");
439 ff2a4428 2019-03-19 stsp label_len = strlen(GOT_COMMIT_LABEL_TREE);
440 ff2a4428 2019-03-19 stsp if (strncmp(s, GOT_COMMIT_LABEL_TREE, label_len) == 0) {
441 ff2a4428 2019-03-19 stsp remain -= label_len;
442 a440fac0 2018-09-06 stsp if (remain < SHA1_DIGEST_STRING_LENGTH) {
443 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
446 ff2a4428 2019-03-19 stsp s += label_len;
447 a440fac0 2018-09-06 stsp if (!got_parse_sha1_digest((*commit)->tree_id->sha1, s)) {
448 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
451 a440fac0 2018-09-06 stsp remain -= SHA1_DIGEST_STRING_LENGTH;
452 a440fac0 2018-09-06 stsp s += SHA1_DIGEST_STRING_LENGTH;
454 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
458 ff2a4428 2019-03-19 stsp label_len = strlen(GOT_COMMIT_LABEL_PARENT);
459 ff2a4428 2019-03-19 stsp while (strncmp(s, GOT_COMMIT_LABEL_PARENT, label_len) == 0) {
460 ff2a4428 2019-03-19 stsp remain -= label_len;
461 a440fac0 2018-09-06 stsp if (remain < SHA1_DIGEST_STRING_LENGTH) {
462 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
465 ff2a4428 2019-03-19 stsp s += label_len;
466 a440fac0 2018-09-06 stsp err = got_object_commit_add_parent(*commit, s);
470 a440fac0 2018-09-06 stsp remain -= SHA1_DIGEST_STRING_LENGTH;
471 a440fac0 2018-09-06 stsp s += SHA1_DIGEST_STRING_LENGTH;
474 ff2a4428 2019-03-19 stsp label_len = strlen(GOT_COMMIT_LABEL_AUTHOR);
475 ff2a4428 2019-03-19 stsp if (strncmp(s, GOT_COMMIT_LABEL_AUTHOR, label_len) == 0) {
477 a440fac0 2018-09-06 stsp size_t slen;
479 ff2a4428 2019-03-19 stsp remain -= label_len;
480 a440fac0 2018-09-06 stsp if (remain <= 0) {
481 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
484 ff2a4428 2019-03-19 stsp s += label_len;
485 dedbbd9d 2019-04-13 stsp p = memchr(s, '\n', remain);
486 a440fac0 2018-09-06 stsp if (p == NULL) {
487 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
491 a440fac0 2018-09-06 stsp slen = strlen(s);
492 ccb26ccd 2018-11-05 stsp err = parse_commit_time(&(*commit)->author_time,
493 ccb26ccd 2018-11-05 stsp &(*commit)->author_gmtoff, s);
496 a440fac0 2018-09-06 stsp (*commit)->author = strdup(s);
497 a440fac0 2018-09-06 stsp if ((*commit)->author == NULL) {
498 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
501 a440fac0 2018-09-06 stsp s += slen + 1;
502 a440fac0 2018-09-06 stsp remain -= slen + 1;
505 ff2a4428 2019-03-19 stsp label_len = strlen(GOT_COMMIT_LABEL_COMMITTER);
506 ff2a4428 2019-03-19 stsp if (strncmp(s, GOT_COMMIT_LABEL_COMMITTER, label_len) == 0) {
508 a440fac0 2018-09-06 stsp size_t slen;
510 ff2a4428 2019-03-19 stsp remain -= label_len;
511 a440fac0 2018-09-06 stsp if (remain <= 0) {
512 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
515 ff2a4428 2019-03-19 stsp s += label_len;
516 dedbbd9d 2019-04-13 stsp p = memchr(s, '\n', remain);
517 a440fac0 2018-09-06 stsp if (p == NULL) {
518 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
522 a440fac0 2018-09-06 stsp slen = strlen(s);
523 ccb26ccd 2018-11-05 stsp err = parse_commit_time(&(*commit)->committer_time,
524 ccb26ccd 2018-11-05 stsp &(*commit)->committer_gmtoff, s);
527 a440fac0 2018-09-06 stsp (*commit)->committer = strdup(s);
528 a440fac0 2018-09-06 stsp if ((*commit)->committer == NULL) {
529 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
532 a440fac0 2018-09-06 stsp s += slen + 1;
533 a440fac0 2018-09-06 stsp remain -= slen + 1;
536 a440fac0 2018-09-06 stsp (*commit)->logmsg = strndup(s, remain);
537 a440fac0 2018-09-06 stsp if ((*commit)->logmsg == NULL) {
538 638f9024 2019-05-13 stsp err = got_error_from_errno("strndup");
543 a440fac0 2018-09-06 stsp got_object_commit_close(*commit);
544 a440fac0 2018-09-06 stsp *commit = NULL;
546 a440fac0 2018-09-06 stsp return err;
550 ad242220 2018-09-08 stsp got_object_tree_entry_close(struct got_tree_entry *te)
552 a440fac0 2018-09-06 stsp free(te->id);
553 a440fac0 2018-09-06 stsp free(te->name);
558 ed175427 2019-05-09 stsp got_object_tree_entries_close(struct got_tree_entries *entries)
560 03fa71c8 2018-09-06 stsp struct got_tree_entry *te;
562 ed175427 2019-05-09 stsp while (!SIMPLEQ_EMPTY(&entries->head)) {
563 ed175427 2019-05-09 stsp te = SIMPLEQ_FIRST(&entries->head);
564 ed175427 2019-05-09 stsp SIMPLEQ_REMOVE_HEAD(&entries->head, entry);
565 ed175427 2019-05-09 stsp got_object_tree_entry_close(te);
570 ed175427 2019-05-09 stsp got_object_tree_close(struct got_tree_object *tree)
572 03fa71c8 2018-09-06 stsp if (tree->refcnt > 0) {
573 03fa71c8 2018-09-06 stsp tree->refcnt--;
574 03fa71c8 2018-09-06 stsp if (tree->refcnt > 0)
578 ed175427 2019-05-09 stsp got_object_tree_entries_close(&tree->entries);
579 03fa71c8 2018-09-06 stsp free(tree);
582 a440fac0 2018-09-06 stsp struct got_tree_entry *
583 a440fac0 2018-09-06 stsp got_alloc_tree_entry_partial(void)
585 a440fac0 2018-09-06 stsp struct got_tree_entry *te;
587 32ac459c 2018-11-05 stsp te = malloc(sizeof(*te));
588 a440fac0 2018-09-06 stsp if (te == NULL)
589 a440fac0 2018-09-06 stsp return NULL;
591 32ac459c 2018-11-05 stsp te->id = malloc(sizeof(*te->id));
592 a440fac0 2018-09-06 stsp if (te->id == NULL) {
599 a440fac0 2018-09-06 stsp static const struct got_error *
600 a440fac0 2018-09-06 stsp parse_tree_entry(struct got_tree_entry **te, size_t *elen, char *buf,
601 a440fac0 2018-09-06 stsp size_t maxlen)
603 8914529d 2019-04-13 stsp char *p, *space;
604 a440fac0 2018-09-06 stsp const struct got_error *err = NULL;
606 a440fac0 2018-09-06 stsp *te = got_alloc_tree_entry_partial();
607 a440fac0 2018-09-06 stsp if (*te == NULL)
608 638f9024 2019-05-13 stsp return got_error_from_errno("got_alloc_tree_entry_partial");
610 9ef4ac16 2019-04-13 stsp *elen = strnlen(buf, maxlen) + 1;
611 a440fac0 2018-09-06 stsp if (*elen > maxlen) {
613 a440fac0 2018-09-06 stsp *te = NULL;
614 a440fac0 2018-09-06 stsp return got_error(GOT_ERR_BAD_OBJ_DATA);
617 dedbbd9d 2019-04-13 stsp space = memchr(buf, ' ', *elen);
618 8914529d 2019-04-13 stsp if (space == NULL || space <= buf) {
619 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
621 a440fac0 2018-09-06 stsp *te = NULL;
622 a440fac0 2018-09-06 stsp return err;
624 6dfaee02 2018-11-05 stsp (*te)->mode = 0;
626 8914529d 2019-04-13 stsp while (p < space) {
627 a440fac0 2018-09-06 stsp if (*p < '0' && *p > '7') {
628 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
631 a440fac0 2018-09-06 stsp (*te)->mode <<= 3;
632 a440fac0 2018-09-06 stsp (*te)->mode |= *p - '0';
636 a440fac0 2018-09-06 stsp (*te)->name = strdup(space + 1);
637 a440fac0 2018-09-06 stsp if (*elen > maxlen || maxlen - *elen < SHA1_DIGEST_LENGTH) {
638 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
641 68bf1b1e 2018-11-07 stsp buf += *elen;
642 a440fac0 2018-09-06 stsp memcpy((*te)->id->sha1, buf, SHA1_DIGEST_LENGTH);
643 a440fac0 2018-09-06 stsp *elen += SHA1_DIGEST_LENGTH;
646 ad242220 2018-09-08 stsp got_object_tree_entry_close(*te);
647 a440fac0 2018-09-06 stsp *te = NULL;
649 a440fac0 2018-09-06 stsp return err;
652 a440fac0 2018-09-06 stsp const struct got_error *
653 a440fac0 2018-09-06 stsp got_object_parse_tree(struct got_tree_object **tree, uint8_t *buf, size_t len)
655 a440fac0 2018-09-06 stsp const struct got_error *err;
656 a440fac0 2018-09-06 stsp size_t remain = len;
657 f5d3d7af 2019-02-05 stsp struct got_pathlist_head pathlist;
658 f5d3d7af 2019-02-05 stsp struct got_pathlist_entry *pe;
660 f5d3d7af 2019-02-05 stsp TAILQ_INIT(&pathlist);
662 a440fac0 2018-09-06 stsp *tree = calloc(1, sizeof(**tree));
663 a440fac0 2018-09-06 stsp if (*tree == NULL)
664 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
666 a440fac0 2018-09-06 stsp SIMPLEQ_INIT(&(*tree)->entries.head);
668 a440fac0 2018-09-06 stsp while (remain > 0) {
669 a440fac0 2018-09-06 stsp struct got_tree_entry *te;
670 f5d3d7af 2019-02-05 stsp struct got_pathlist_entry *new = NULL;
671 a440fac0 2018-09-06 stsp size_t elen;
673 a440fac0 2018-09-06 stsp err = parse_tree_entry(&te, &elen, buf, remain);
676 f5d3d7af 2019-02-05 stsp err = got_pathlist_insert(&new, &pathlist, te->name, te);
679 f5d3d7af 2019-02-05 stsp if (new == NULL) {
680 f5d3d7af 2019-02-05 stsp err = got_error(GOT_ERR_TREE_DUP_ENTRY);
683 a440fac0 2018-09-06 stsp buf += elen;
684 a440fac0 2018-09-06 stsp remain -= elen;
687 a440fac0 2018-09-06 stsp if (remain != 0) {
688 a440fac0 2018-09-06 stsp got_object_tree_close(*tree);
689 13f977b4 2018-11-17 stsp *tree = NULL;
690 f5d3d7af 2019-02-05 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
694 f5d3d7af 2019-02-05 stsp TAILQ_FOREACH(pe, &pathlist, entry) {
695 f5d3d7af 2019-02-05 stsp struct got_tree_entry *te = pe->data;
696 f5d3d7af 2019-02-05 stsp (*tree)->entries.nentries++;
697 f5d3d7af 2019-02-05 stsp SIMPLEQ_INSERT_TAIL(&(*tree)->entries.head, te, entry);
700 f5d3d7af 2019-02-05 stsp got_pathlist_free(&pathlist);
701 f5d3d7af 2019-02-05 stsp return err;
705 f4a881ce 2018-11-17 stsp got_object_tag_close(struct got_tag_object *tag)
707 f4a881ce 2018-11-17 stsp free(tag->tag);
708 f4a881ce 2018-11-17 stsp free(tag->tagger);
709 f4a881ce 2018-11-17 stsp free(tag->tagmsg);
713 ad242220 2018-09-08 stsp const struct got_error *
714 f4a881ce 2018-11-17 stsp got_object_parse_tag(struct got_tag_object **tag, uint8_t *buf, size_t len)
716 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
717 f4a881ce 2018-11-17 stsp size_t remain = len;
718 f4a881ce 2018-11-17 stsp char *s = buf;
719 ff2a4428 2019-03-19 stsp size_t label_len;
721 f4a881ce 2018-11-17 stsp *tag = calloc(1, sizeof(**tag));
722 f4a881ce 2018-11-17 stsp if (*tag == NULL)
723 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
725 ff2a4428 2019-03-19 stsp label_len = strlen(GOT_TAG_LABEL_OBJECT);
726 ff2a4428 2019-03-19 stsp if (strncmp(s, GOT_TAG_LABEL_OBJECT, label_len) == 0) {
727 ff2a4428 2019-03-19 stsp remain -= label_len;
728 f4a881ce 2018-11-17 stsp if (remain < SHA1_DIGEST_STRING_LENGTH) {
729 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
732 ff2a4428 2019-03-19 stsp s += label_len;
733 f4a881ce 2018-11-17 stsp if (!got_parse_sha1_digest((*tag)->id.sha1, s)) {
734 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
737 f4a881ce 2018-11-17 stsp remain -= SHA1_DIGEST_STRING_LENGTH;
738 f4a881ce 2018-11-17 stsp s += SHA1_DIGEST_STRING_LENGTH;
740 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
744 f4a881ce 2018-11-17 stsp if (remain <= 0) {
745 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
749 ff2a4428 2019-03-19 stsp label_len = strlen(GOT_TAG_LABEL_TYPE);
750 ff2a4428 2019-03-19 stsp if (strncmp(s, GOT_TAG_LABEL_TYPE, label_len) == 0) {
751 ff2a4428 2019-03-19 stsp remain -= label_len;
752 f4a881ce 2018-11-17 stsp if (remain <= 0) {
753 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
756 ff2a4428 2019-03-19 stsp s += label_len;
757 ff2a4428 2019-03-19 stsp if (strncmp(s, GOT_OBJ_LABEL_COMMIT,
758 ff2a4428 2019-03-19 stsp strlen(GOT_OBJ_LABEL_COMMIT)) == 0) {
759 f4a881ce 2018-11-17 stsp (*tag)->obj_type = GOT_OBJ_TYPE_COMMIT;
760 ff2a4428 2019-03-19 stsp label_len = strlen(GOT_OBJ_LABEL_COMMIT);
761 ff2a4428 2019-03-19 stsp s += label_len;
762 ff2a4428 2019-03-19 stsp remain -= label_len;
763 ff2a4428 2019-03-19 stsp } else if (strncmp(s, GOT_OBJ_LABEL_TREE,
764 ff2a4428 2019-03-19 stsp strlen(GOT_OBJ_LABEL_TREE)) == 0) {
765 f4a881ce 2018-11-17 stsp (*tag)->obj_type = GOT_OBJ_TYPE_TREE;
766 ff2a4428 2019-03-19 stsp label_len = strlen(GOT_OBJ_LABEL_TREE);
767 ff2a4428 2019-03-19 stsp s += label_len;
768 ff2a4428 2019-03-19 stsp remain -= label_len;
769 ff2a4428 2019-03-19 stsp } else if (strncmp(s, GOT_OBJ_LABEL_BLOB,
770 ff2a4428 2019-03-19 stsp strlen(GOT_OBJ_LABEL_BLOB)) == 0) {
771 f4a881ce 2018-11-17 stsp (*tag)->obj_type = GOT_OBJ_TYPE_BLOB;
772 ff2a4428 2019-03-19 stsp label_len = strlen(GOT_OBJ_LABEL_BLOB);
773 ff2a4428 2019-03-19 stsp s += label_len;
774 ff2a4428 2019-03-19 stsp remain -= label_len;
775 ff2a4428 2019-03-19 stsp } else if (strncmp(s, GOT_OBJ_LABEL_TAG,
776 ff2a4428 2019-03-19 stsp strlen(GOT_OBJ_LABEL_TAG)) == 0) {
777 f4a881ce 2018-11-17 stsp (*tag)->obj_type = GOT_OBJ_TYPE_TAG;
778 ff2a4428 2019-03-19 stsp label_len = strlen(GOT_OBJ_LABEL_TAG);
779 ff2a4428 2019-03-19 stsp s += label_len;
780 ff2a4428 2019-03-19 stsp remain -= label_len;
782 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
786 f4a881ce 2018-11-17 stsp if (remain <= 0 || *s != '\n') {
787 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
792 f4a881ce 2018-11-17 stsp if (remain <= 0) {
793 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
797 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
801 ff2a4428 2019-03-19 stsp label_len = strlen(GOT_TAG_LABEL_TAG);
802 ff2a4428 2019-03-19 stsp if (strncmp(s, GOT_TAG_LABEL_TAG, label_len) == 0) {
804 f4a881ce 2018-11-17 stsp size_t slen;
805 ff2a4428 2019-03-19 stsp remain -= label_len;
806 f4a881ce 2018-11-17 stsp if (remain <= 0) {
807 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
810 ff2a4428 2019-03-19 stsp s += label_len;
811 dedbbd9d 2019-04-13 stsp p = memchr(s, '\n', remain);
812 f4a881ce 2018-11-17 stsp if (p == NULL) {
813 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
817 f4a881ce 2018-11-17 stsp slen = strlen(s);
818 f4a881ce 2018-11-17 stsp (*tag)->tag = strndup(s, slen);
819 f4a881ce 2018-11-17 stsp if ((*tag)->tag == NULL) {
820 638f9024 2019-05-13 stsp err = got_error_from_errno("strndup");
823 f4a881ce 2018-11-17 stsp s += slen + 1;
824 f4a881ce 2018-11-17 stsp remain -= slen + 1;
825 f4a881ce 2018-11-17 stsp if (remain <= 0) {
826 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
830 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
834 ff2a4428 2019-03-19 stsp label_len = strlen(GOT_TAG_LABEL_TAGGER);
835 ff2a4428 2019-03-19 stsp if (strncmp(s, GOT_TAG_LABEL_TAGGER, label_len) == 0) {
837 f4a881ce 2018-11-17 stsp size_t slen;
839 ff2a4428 2019-03-19 stsp remain -= label_len;
840 f4a881ce 2018-11-17 stsp if (remain <= 0) {
841 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
844 ff2a4428 2019-03-19 stsp s += label_len;
845 dedbbd9d 2019-04-13 stsp p = memchr(s, '\n', remain);
846 f4a881ce 2018-11-17 stsp if (p == NULL) {
847 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
851 f4a881ce 2018-11-17 stsp slen = strlen(s);
852 f4a881ce 2018-11-17 stsp err = parse_commit_time(&(*tag)->tagger_time,
853 f4a881ce 2018-11-17 stsp &(*tag)->tagger_gmtoff, s);
856 f4a881ce 2018-11-17 stsp (*tag)->tagger = strdup(s);
857 f4a881ce 2018-11-17 stsp if ((*tag)->tagger == NULL) {
858 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
861 f4a881ce 2018-11-17 stsp s += slen + 1;
862 f4a881ce 2018-11-17 stsp remain -= slen + 1;
863 f4a881ce 2018-11-17 stsp if (remain <= 0) {
864 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
868 e0e55b50 2019-02-01 stsp /* Some old tags in the Linux git repo have no tagger. */
869 e0e55b50 2019-02-01 stsp (*tag)->tagger = strdup("");
870 e0e55b50 2019-02-01 stsp if ((*tag)->tagger == NULL) {
871 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
876 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = strndup(s, remain);
877 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
878 638f9024 2019-05-13 stsp err = got_error_from_errno("strndup");
883 f4a881ce 2018-11-17 stsp got_object_tag_close(*tag);
884 f4a881ce 2018-11-17 stsp *tag = NULL;
886 f4a881ce 2018-11-17 stsp return err;
889 f4a881ce 2018-11-17 stsp const struct got_error *
890 ad242220 2018-09-08 stsp got_read_file_to_mem(uint8_t **outbuf, size_t *outlen, FILE *f)
892 a440fac0 2018-09-06 stsp const struct got_error *err = NULL;
893 a440fac0 2018-09-06 stsp static const size_t blocksize = 512;
894 a440fac0 2018-09-06 stsp size_t n, total, remain;
895 a440fac0 2018-09-06 stsp uint8_t *buf;
897 a440fac0 2018-09-06 stsp *outbuf = NULL;
898 a440fac0 2018-09-06 stsp *outlen = 0;
900 a440fac0 2018-09-06 stsp buf = malloc(blocksize);
901 a440fac0 2018-09-06 stsp if (buf == NULL)
902 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
904 a440fac0 2018-09-06 stsp remain = blocksize;
907 a440fac0 2018-09-06 stsp if (remain == 0) {
908 a440fac0 2018-09-06 stsp uint8_t *newbuf;
909 a440fac0 2018-09-06 stsp newbuf = reallocarray(buf, 1, total + blocksize);
910 a440fac0 2018-09-06 stsp if (newbuf == NULL) {
911 638f9024 2019-05-13 stsp err = got_error_from_errno("reallocarray");
914 a440fac0 2018-09-06 stsp buf = newbuf;
915 a440fac0 2018-09-06 stsp remain += blocksize;
917 a440fac0 2018-09-06 stsp n = fread(buf + total, 1, remain, f);
918 a440fac0 2018-09-06 stsp if (n == 0) {
919 a440fac0 2018-09-06 stsp if (ferror(f)) {
920 a440fac0 2018-09-06 stsp err = got_ferror(f, GOT_ERR_IO);
923 a440fac0 2018-09-06 stsp break; /* EOF */
925 a440fac0 2018-09-06 stsp remain -= n;
926 a440fac0 2018-09-06 stsp total += n;
930 a440fac0 2018-09-06 stsp if (err == NULL) {
931 a440fac0 2018-09-06 stsp *outbuf = buf;
932 a440fac0 2018-09-06 stsp *outlen = total;
935 ad242220 2018-09-08 stsp return err;