2 a440fac0 2018-09-06 stsp * Copyright (c) 2018 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"
43 a440fac0 2018-09-06 stsp #include "got_lib_sha1.h"
44 a440fac0 2018-09-06 stsp #include "got_lib_delta.h"
45 41fa1437 2018-11-05 stsp #include "got_lib_inflate.h"
46 41fa1437 2018-11-05 stsp #include "got_lib_object.h"
47 6bef87be 2018-09-11 stsp #include "got_lib_object_cache.h"
48 15a94983 2018-12-23 stsp #include "got_lib_pack.h"
49 15a94983 2018-12-23 stsp #include "got_lib_privsep.h"
50 ad242220 2018-09-08 stsp #include "got_lib_repository.h"
51 f5d3d7af 2019-02-05 stsp #include "got_lib_path.h"
53 a440fac0 2018-09-06 stsp #ifndef nitems
54 a440fac0 2018-09-06 stsp #define nitems(_a) (sizeof(_a) / sizeof((_a)[0]))
57 f4a881ce 2018-11-17 stsp #define GOT_OBJ_TAG_COMMIT "commit"
58 f4a881ce 2018-11-17 stsp #define GOT_OBJ_TAG_TREE "tree"
59 f4a881ce 2018-11-17 stsp #define GOT_OBJ_TAG_BLOB "blob"
60 f4a881ce 2018-11-17 stsp #define GOT_OBJ_TAG_TAG "tag"
62 a440fac0 2018-09-06 stsp #define GOT_COMMIT_TAG_TREE "tree "
63 a440fac0 2018-09-06 stsp #define GOT_COMMIT_TAG_PARENT "parent "
64 a440fac0 2018-09-06 stsp #define GOT_COMMIT_TAG_AUTHOR "author "
65 a440fac0 2018-09-06 stsp #define GOT_COMMIT_TAG_COMMITTER "committer "
67 f4a881ce 2018-11-17 stsp #define GOT_TAG_TAG_OBJECT "object "
68 f4a881ce 2018-11-17 stsp #define GOT_TAG_TAG_TYPE "type "
69 f4a881ce 2018-11-17 stsp #define GOT_TAG_TAG_TAG "tag "
70 f4a881ce 2018-11-17 stsp #define GOT_TAG_TAG_TAGGER "tagger "
73 f054b67a 2018-11-05 stsp got_object_id_cmp(const struct got_object_id *id1,
74 f054b67a 2018-11-05 stsp const struct got_object_id *id2)
76 f054b67a 2018-11-05 stsp return memcmp(id1->sha1, id2->sha1, SHA1_DIGEST_LENGTH);
79 2ff12563 2018-09-15 stsp const struct got_error *
80 5df4932d 2018-11-05 stsp got_object_qid_alloc_partial(struct got_object_qid **qid)
82 5df4932d 2018-11-05 stsp const struct got_error *err = NULL;
84 5df4932d 2018-11-05 stsp *qid = malloc(sizeof(**qid));
85 5df4932d 2018-11-05 stsp if (*qid == NULL)
86 5df4932d 2018-11-05 stsp return got_error_from_errno();
88 5df4932d 2018-11-05 stsp (*qid)->id = malloc(sizeof(*((*qid)->id)));
89 5df4932d 2018-11-05 stsp if ((*qid)->id == NULL) {
90 5df4932d 2018-11-05 stsp err = got_error_from_errno();
91 5df4932d 2018-11-05 stsp got_object_qid_free(*qid);
92 5df4932d 2018-11-05 stsp *qid = NULL;
96 5df4932d 2018-11-05 stsp return NULL;
99 5df4932d 2018-11-05 stsp const struct got_error *
100 2ff12563 2018-09-15 stsp got_object_id_str(char **outbuf, struct got_object_id *id)
102 2ff12563 2018-09-15 stsp static const size_t len = SHA1_DIGEST_STRING_LENGTH;
104 2ff12563 2018-09-15 stsp *outbuf = malloc(len);
105 2ff12563 2018-09-15 stsp if (*outbuf == NULL)
106 2ff12563 2018-09-15 stsp return got_error_from_errno();
108 2ff12563 2018-09-15 stsp if (got_sha1_digest_to_str(id->sha1, *outbuf, len) == NULL) {
109 2ff12563 2018-09-15 stsp free(*outbuf);
110 2ff12563 2018-09-15 stsp *outbuf = NULL;
111 2ff12563 2018-09-15 stsp return got_error(GOT_ERR_BAD_OBJ_ID_STR);
114 2ff12563 2018-09-15 stsp return NULL;
118 03fa71c8 2018-09-06 stsp got_object_close(struct got_object *obj)
120 03fa71c8 2018-09-06 stsp if (obj->refcnt > 0) {
121 03fa71c8 2018-09-06 stsp obj->refcnt--;
122 03fa71c8 2018-09-06 stsp if (obj->refcnt > 0)
126 03fa71c8 2018-09-06 stsp if (obj->flags & GOT_OBJ_FLAG_DELTIFIED) {
127 03fa71c8 2018-09-06 stsp struct got_delta *delta;
128 03fa71c8 2018-09-06 stsp while (!SIMPLEQ_EMPTY(&obj->deltas.entries)) {
129 03fa71c8 2018-09-06 stsp delta = SIMPLEQ_FIRST(&obj->deltas.entries);
130 03fa71c8 2018-09-06 stsp SIMPLEQ_REMOVE_HEAD(&obj->deltas.entries, entry);
131 03fa71c8 2018-09-06 stsp got_delta_close(delta);
134 03fa71c8 2018-09-06 stsp if (obj->flags & GOT_OBJ_FLAG_PACKED)
135 03fa71c8 2018-09-06 stsp free(obj->path_packfile);
140 03fa71c8 2018-09-06 stsp got_object_qid_free(struct got_object_qid *qid)
142 03fa71c8 2018-09-06 stsp free(qid->id);
146 1785f84a 2018-12-23 stsp const struct got_error *
147 1785f84a 2018-12-23 stsp got_object_parse_header(struct got_object **obj, char *buf, size_t len)
149 1785f84a 2018-12-23 stsp const char *obj_tags[] = {
150 1785f84a 2018-12-23 stsp GOT_OBJ_TAG_COMMIT,
151 1785f84a 2018-12-23 stsp GOT_OBJ_TAG_TREE,
152 1785f84a 2018-12-23 stsp GOT_OBJ_TAG_BLOB,
153 1785f84a 2018-12-23 stsp GOT_OBJ_TAG_TAG,
155 1785f84a 2018-12-23 stsp const int obj_types[] = {
156 1785f84a 2018-12-23 stsp GOT_OBJ_TYPE_COMMIT,
157 1785f84a 2018-12-23 stsp GOT_OBJ_TYPE_TREE,
158 1785f84a 2018-12-23 stsp GOT_OBJ_TYPE_BLOB,
159 1785f84a 2018-12-23 stsp GOT_OBJ_TYPE_TAG,
161 1785f84a 2018-12-23 stsp int type = 0;
162 1785f84a 2018-12-23 stsp size_t size = 0, hdrlen = 0;
164 1785f84a 2018-12-23 stsp char *p = strchr(buf, '\0');
166 1785f84a 2018-12-23 stsp *obj = NULL;
168 1785f84a 2018-12-23 stsp if (p == NULL)
169 1785f84a 2018-12-23 stsp return got_error(GOT_ERR_BAD_OBJ_HDR);
171 1785f84a 2018-12-23 stsp hdrlen = strlen(buf) + 1 /* '\0' */;
173 1785f84a 2018-12-23 stsp for (i = 0; i < nitems(obj_tags); i++) {
174 1785f84a 2018-12-23 stsp const char *tag = obj_tags[i];
175 1785f84a 2018-12-23 stsp size_t tlen = strlen(tag);
176 1785f84a 2018-12-23 stsp const char *errstr;
178 1785f84a 2018-12-23 stsp if (strncmp(buf, tag, tlen) != 0)
181 1785f84a 2018-12-23 stsp type = obj_types[i];
182 1785f84a 2018-12-23 stsp if (len <= tlen)
183 1785f84a 2018-12-23 stsp return got_error(GOT_ERR_BAD_OBJ_HDR);
184 1785f84a 2018-12-23 stsp size = strtonum(buf + tlen, 0, LONG_MAX, &errstr);
185 1785f84a 2018-12-23 stsp if (errstr != NULL)
186 1785f84a 2018-12-23 stsp return got_error(GOT_ERR_BAD_OBJ_HDR);
190 1785f84a 2018-12-23 stsp if (type == 0)
191 1785f84a 2018-12-23 stsp return got_error(GOT_ERR_BAD_OBJ_HDR);
193 1785f84a 2018-12-23 stsp *obj = calloc(1, sizeof(**obj));
194 1785f84a 2018-12-23 stsp if (*obj == NULL)
195 1785f84a 2018-12-23 stsp return got_error_from_errno();
196 1785f84a 2018-12-23 stsp (*obj)->type = type;
197 1785f84a 2018-12-23 stsp (*obj)->hdrlen = hdrlen;
198 1785f84a 2018-12-23 stsp (*obj)->size = size;
199 1785f84a 2018-12-23 stsp return NULL;
202 1785f84a 2018-12-23 stsp const struct got_error *
203 1785f84a 2018-12-23 stsp got_object_read_header(struct got_object **obj, int fd)
205 1785f84a 2018-12-23 stsp const struct got_error *err;
206 1785f84a 2018-12-23 stsp struct got_zstream_buf zb;
208 1785f84a 2018-12-23 stsp const size_t zbsize = 64;
209 1785f84a 2018-12-23 stsp size_t outlen, totlen;
210 1785f84a 2018-12-23 stsp int nbuf = 1;
212 1785f84a 2018-12-23 stsp *obj = NULL;
214 1785f84a 2018-12-23 stsp buf = malloc(zbsize);
215 1785f84a 2018-12-23 stsp if (buf == NULL)
216 1785f84a 2018-12-23 stsp return got_error_from_errno();
218 1785f84a 2018-12-23 stsp err = got_inflate_init(&zb, buf, zbsize);
220 1785f84a 2018-12-23 stsp return err;
222 1785f84a 2018-12-23 stsp totlen = 0;
224 1785f84a 2018-12-23 stsp err = got_inflate_read_fd(&zb, fd, &outlen);
227 1785f84a 2018-12-23 stsp if (outlen == 0)
229 1785f84a 2018-12-23 stsp totlen += outlen;
230 1785f84a 2018-12-23 stsp if (strchr(zb.outbuf, '\0') == NULL) {
231 1785f84a 2018-12-23 stsp char *newbuf;
233 1785f84a 2018-12-23 stsp newbuf = recallocarray(buf, nbuf - 1, nbuf, zbsize);
234 1785f84a 2018-12-23 stsp if (newbuf == NULL) {
235 1785f84a 2018-12-23 stsp err = got_error_from_errno();
238 1785f84a 2018-12-23 stsp buf = newbuf;
239 1785f84a 2018-12-23 stsp zb.outbuf = newbuf + totlen;
240 1785f84a 2018-12-23 stsp zb.outlen = (nbuf * zbsize) - totlen;
242 1785f84a 2018-12-23 stsp } while (strchr(zb.outbuf, '\0') == NULL);
244 1785f84a 2018-12-23 stsp err = got_object_parse_header(obj, buf, totlen);
247 1785f84a 2018-12-23 stsp got_inflate_end(&zb);
248 1785f84a 2018-12-23 stsp return err;
251 a440fac0 2018-09-06 stsp struct got_commit_object *
252 a440fac0 2018-09-06 stsp got_object_commit_alloc_partial(void)
254 a440fac0 2018-09-06 stsp struct got_commit_object *commit;
256 a440fac0 2018-09-06 stsp commit = calloc(1, sizeof(*commit));
257 a440fac0 2018-09-06 stsp if (commit == NULL)
258 a440fac0 2018-09-06 stsp return NULL;
259 acf0c7c6 2018-11-05 stsp commit->tree_id = malloc(sizeof(*commit->tree_id));
260 a440fac0 2018-09-06 stsp if (commit->tree_id == NULL) {
261 a440fac0 2018-09-06 stsp free(commit);
262 a440fac0 2018-09-06 stsp return NULL;
265 a440fac0 2018-09-06 stsp SIMPLEQ_INIT(&commit->parent_ids);
267 a440fac0 2018-09-06 stsp return commit;
270 a440fac0 2018-09-06 stsp const struct got_error *
271 a440fac0 2018-09-06 stsp got_object_commit_add_parent(struct got_commit_object *commit,
272 a440fac0 2018-09-06 stsp const char *id_str)
274 a440fac0 2018-09-06 stsp const struct got_error *err = NULL;
275 a440fac0 2018-09-06 stsp struct got_object_qid *qid;
277 5df4932d 2018-11-05 stsp err = got_object_qid_alloc_partial(&qid);
279 7762fe12 2018-11-05 stsp return err;
281 a440fac0 2018-09-06 stsp if (!got_parse_sha1_digest(qid->id->sha1, id_str)) {
282 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
283 a440fac0 2018-09-06 stsp free(qid->id);
285 a440fac0 2018-09-06 stsp return err;
288 a440fac0 2018-09-06 stsp SIMPLEQ_INSERT_TAIL(&commit->parent_ids, qid, entry);
289 a440fac0 2018-09-06 stsp commit->nparents++;
291 a440fac0 2018-09-06 stsp return NULL;
294 a440fac0 2018-09-06 stsp static const struct got_error *
295 a440fac0 2018-09-06 stsp parse_gmtoff(time_t *gmtoff, const char *tzstr)
297 a440fac0 2018-09-06 stsp int sign = 1;
298 a440fac0 2018-09-06 stsp const char *p = tzstr;
299 a440fac0 2018-09-06 stsp time_t h, m;
301 a440fac0 2018-09-06 stsp *gmtoff = 0;
303 a440fac0 2018-09-06 stsp if (*p == '-')
305 a440fac0 2018-09-06 stsp else if (*p != '+')
306 a440fac0 2018-09-06 stsp return got_error(GOT_ERR_BAD_OBJ_DATA);
308 a440fac0 2018-09-06 stsp if (!isdigit(*p) && !isdigit(*(p + 1)))
309 a440fac0 2018-09-06 stsp return got_error(GOT_ERR_BAD_OBJ_DATA);
310 a440fac0 2018-09-06 stsp h = (((*p - '0') * 10) + (*(p + 1) - '0'));
313 a440fac0 2018-09-06 stsp if (!isdigit(*p) && !isdigit(*(p + 1)))
314 a440fac0 2018-09-06 stsp return got_error(GOT_ERR_BAD_OBJ_DATA);
315 a440fac0 2018-09-06 stsp m = ((*p - '0') * 10) + (*(p + 1) - '0');
317 a440fac0 2018-09-06 stsp *gmtoff = (h * 60 * 60 + m * 60) * sign;
318 a440fac0 2018-09-06 stsp return NULL;
321 a440fac0 2018-09-06 stsp static const struct got_error *
322 ccb26ccd 2018-11-05 stsp parse_commit_time(time_t *time, time_t *gmtoff, char *committer)
324 a440fac0 2018-09-06 stsp const struct got_error *err = NULL;
325 a440fac0 2018-09-06 stsp const char *errstr;
326 a440fac0 2018-09-06 stsp char *space, *tzstr;
328 a440fac0 2018-09-06 stsp /* Parse and strip off trailing timezone indicator string. */
329 a440fac0 2018-09-06 stsp space = strrchr(committer, ' ');
330 a440fac0 2018-09-06 stsp if (space == NULL)
331 a440fac0 2018-09-06 stsp return got_error(GOT_ERR_BAD_OBJ_DATA);
332 a440fac0 2018-09-06 stsp tzstr = strdup(space + 1);
333 a440fac0 2018-09-06 stsp if (tzstr == NULL)
334 a440fac0 2018-09-06 stsp return got_error_from_errno();
335 ccb26ccd 2018-11-05 stsp err = parse_gmtoff(gmtoff, tzstr);
336 a440fac0 2018-09-06 stsp free(tzstr);
338 a440fac0 2018-09-06 stsp return err;
339 a440fac0 2018-09-06 stsp *space = '\0';
341 a440fac0 2018-09-06 stsp /* Timestamp is separated from committer name + email by space. */
342 a440fac0 2018-09-06 stsp space = strrchr(committer, ' ');
343 a440fac0 2018-09-06 stsp if (space == NULL)
344 a440fac0 2018-09-06 stsp return got_error(GOT_ERR_BAD_OBJ_DATA);
346 a440fac0 2018-09-06 stsp /* Timestamp parsed here is expressed in comitter's local time. */
347 ccb26ccd 2018-11-05 stsp *time = strtonum(space + 1, 0, INT64_MAX, &errstr);
348 a440fac0 2018-09-06 stsp if (errstr)
349 a440fac0 2018-09-06 stsp return got_error(GOT_ERR_BAD_OBJ_DATA);
351 a440fac0 2018-09-06 stsp /* Express the time stamp in UTC. */
352 ccb26ccd 2018-11-05 stsp *time -= *gmtoff;
354 a440fac0 2018-09-06 stsp /* Strip off parsed time information, leaving just author and email. */
355 a440fac0 2018-09-06 stsp *space = '\0';
357 a440fac0 2018-09-06 stsp return NULL;
361 03fa71c8 2018-09-06 stsp got_object_commit_close(struct got_commit_object *commit)
363 03fa71c8 2018-09-06 stsp struct got_object_qid *qid;
365 03fa71c8 2018-09-06 stsp if (commit->refcnt > 0) {
366 03fa71c8 2018-09-06 stsp commit->refcnt--;
367 03fa71c8 2018-09-06 stsp if (commit->refcnt > 0)
371 03fa71c8 2018-09-06 stsp while (!SIMPLEQ_EMPTY(&commit->parent_ids)) {
372 03fa71c8 2018-09-06 stsp qid = SIMPLEQ_FIRST(&commit->parent_ids);
373 03fa71c8 2018-09-06 stsp SIMPLEQ_REMOVE_HEAD(&commit->parent_ids, entry);
374 03fa71c8 2018-09-06 stsp got_object_qid_free(qid);
377 03fa71c8 2018-09-06 stsp free(commit->tree_id);
378 03fa71c8 2018-09-06 stsp free(commit->author);
379 03fa71c8 2018-09-06 stsp free(commit->committer);
380 03fa71c8 2018-09-06 stsp free(commit->logmsg);
381 03fa71c8 2018-09-06 stsp free(commit);
384 45d799e2 2018-12-23 stsp struct got_object_id *
385 45d799e2 2018-12-23 stsp got_object_commit_get_tree_id(struct got_commit_object *commit)
387 45d799e2 2018-12-23 stsp return commit->tree_id;
391 45d799e2 2018-12-23 stsp got_object_commit_get_nparents(struct got_commit_object *commit)
393 45d799e2 2018-12-23 stsp return commit->nparents;
396 45d799e2 2018-12-23 stsp const struct got_object_id_queue *
397 45d799e2 2018-12-23 stsp got_object_commit_get_parent_ids(struct got_commit_object *commit)
399 45d799e2 2018-12-23 stsp return &commit->parent_ids;
402 45d799e2 2018-12-23 stsp const char *
403 45d799e2 2018-12-23 stsp got_object_commit_get_author(struct got_commit_object *commit)
405 45d799e2 2018-12-23 stsp return commit->author;
409 45d799e2 2018-12-23 stsp got_object_commit_get_author_time(struct got_commit_object *commit)
411 45d799e2 2018-12-23 stsp return commit->author_time;
414 45d799e2 2018-12-23 stsp time_t got_object_commit_get_author_gmtoff(struct got_commit_object *commit)
416 45d799e2 2018-12-23 stsp return commit->author_gmtoff;
419 45d799e2 2018-12-23 stsp const char *
420 45d799e2 2018-12-23 stsp got_object_commit_get_committer(struct got_commit_object *commit)
422 45d799e2 2018-12-23 stsp return commit->committer;
426 45d799e2 2018-12-23 stsp got_object_commit_get_committer_time(struct got_commit_object *commit)
428 45d799e2 2018-12-23 stsp return commit->committer_time;
432 45d799e2 2018-12-23 stsp got_object_commit_get_committer_gmtoff(struct got_commit_object *commit)
434 45d799e2 2018-12-23 stsp return commit->committer_gmtoff;
437 45d799e2 2018-12-23 stsp const char *
438 45d799e2 2018-12-23 stsp got_object_commit_get_logmsg(struct got_commit_object *commit)
440 45d799e2 2018-12-23 stsp return commit->logmsg;
443 a440fac0 2018-09-06 stsp const struct got_error *
444 5e0b25c4 2018-12-24 stsp got_object_parse_commit(struct got_commit_object **commit, char *buf,
445 5e0b25c4 2018-12-24 stsp size_t len)
447 a440fac0 2018-09-06 stsp const struct got_error *err = NULL;
448 a440fac0 2018-09-06 stsp char *s = buf;
449 a440fac0 2018-09-06 stsp size_t tlen;
450 a440fac0 2018-09-06 stsp ssize_t remain = (ssize_t)len;
452 a440fac0 2018-09-06 stsp *commit = got_object_commit_alloc_partial();
453 a440fac0 2018-09-06 stsp if (*commit == NULL)
454 a440fac0 2018-09-06 stsp return got_error_from_errno();
456 a440fac0 2018-09-06 stsp tlen = strlen(GOT_COMMIT_TAG_TREE);
457 a440fac0 2018-09-06 stsp if (strncmp(s, GOT_COMMIT_TAG_TREE, tlen) == 0) {
458 a440fac0 2018-09-06 stsp remain -= tlen;
459 a440fac0 2018-09-06 stsp if (remain < SHA1_DIGEST_STRING_LENGTH) {
460 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
464 a440fac0 2018-09-06 stsp if (!got_parse_sha1_digest((*commit)->tree_id->sha1, s)) {
465 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
468 a440fac0 2018-09-06 stsp remain -= SHA1_DIGEST_STRING_LENGTH;
469 a440fac0 2018-09-06 stsp s += SHA1_DIGEST_STRING_LENGTH;
471 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
475 a440fac0 2018-09-06 stsp tlen = strlen(GOT_COMMIT_TAG_PARENT);
476 a440fac0 2018-09-06 stsp while (strncmp(s, GOT_COMMIT_TAG_PARENT, tlen) == 0) {
477 a440fac0 2018-09-06 stsp remain -= tlen;
478 a440fac0 2018-09-06 stsp if (remain < SHA1_DIGEST_STRING_LENGTH) {
479 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
483 a440fac0 2018-09-06 stsp err = got_object_commit_add_parent(*commit, s);
487 a440fac0 2018-09-06 stsp remain -= SHA1_DIGEST_STRING_LENGTH;
488 a440fac0 2018-09-06 stsp s += SHA1_DIGEST_STRING_LENGTH;
491 a440fac0 2018-09-06 stsp tlen = strlen(GOT_COMMIT_TAG_AUTHOR);
492 a440fac0 2018-09-06 stsp if (strncmp(s, GOT_COMMIT_TAG_AUTHOR, tlen) == 0) {
494 a440fac0 2018-09-06 stsp size_t slen;
496 a440fac0 2018-09-06 stsp remain -= tlen;
497 a440fac0 2018-09-06 stsp if (remain <= 0) {
498 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
502 a440fac0 2018-09-06 stsp p = strchr(s, '\n');
503 a440fac0 2018-09-06 stsp if (p == NULL) {
504 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
508 a440fac0 2018-09-06 stsp slen = strlen(s);
509 ccb26ccd 2018-11-05 stsp err = parse_commit_time(&(*commit)->author_time,
510 ccb26ccd 2018-11-05 stsp &(*commit)->author_gmtoff, s);
513 a440fac0 2018-09-06 stsp (*commit)->author = strdup(s);
514 a440fac0 2018-09-06 stsp if ((*commit)->author == NULL) {
515 a440fac0 2018-09-06 stsp err = got_error_from_errno();
518 a440fac0 2018-09-06 stsp s += slen + 1;
519 a440fac0 2018-09-06 stsp remain -= slen + 1;
522 a440fac0 2018-09-06 stsp tlen = strlen(GOT_COMMIT_TAG_COMMITTER);
523 a440fac0 2018-09-06 stsp if (strncmp(s, GOT_COMMIT_TAG_COMMITTER, tlen) == 0) {
525 a440fac0 2018-09-06 stsp size_t slen;
527 a440fac0 2018-09-06 stsp remain -= tlen;
528 a440fac0 2018-09-06 stsp if (remain <= 0) {
529 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
533 a440fac0 2018-09-06 stsp p = strchr(s, '\n');
534 a440fac0 2018-09-06 stsp if (p == NULL) {
535 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
539 a440fac0 2018-09-06 stsp slen = strlen(s);
540 ccb26ccd 2018-11-05 stsp err = parse_commit_time(&(*commit)->committer_time,
541 ccb26ccd 2018-11-05 stsp &(*commit)->committer_gmtoff, s);
544 a440fac0 2018-09-06 stsp (*commit)->committer = strdup(s);
545 a440fac0 2018-09-06 stsp if ((*commit)->committer == NULL) {
546 a440fac0 2018-09-06 stsp err = got_error_from_errno();
549 a440fac0 2018-09-06 stsp s += slen + 1;
550 a440fac0 2018-09-06 stsp remain -= slen + 1;
553 a440fac0 2018-09-06 stsp (*commit)->logmsg = strndup(s, remain);
554 a440fac0 2018-09-06 stsp if ((*commit)->logmsg == NULL) {
555 a440fac0 2018-09-06 stsp err = got_error_from_errno();
560 a440fac0 2018-09-06 stsp got_object_commit_close(*commit);
561 a440fac0 2018-09-06 stsp *commit = NULL;
563 a440fac0 2018-09-06 stsp return err;
567 ad242220 2018-09-08 stsp got_object_tree_entry_close(struct got_tree_entry *te)
569 a440fac0 2018-09-06 stsp free(te->id);
570 a440fac0 2018-09-06 stsp free(te->name);
575 03fa71c8 2018-09-06 stsp got_object_tree_close(struct got_tree_object *tree)
577 03fa71c8 2018-09-06 stsp struct got_tree_entry *te;
579 03fa71c8 2018-09-06 stsp if (tree->refcnt > 0) {
580 03fa71c8 2018-09-06 stsp tree->refcnt--;
581 03fa71c8 2018-09-06 stsp if (tree->refcnt > 0)
585 03fa71c8 2018-09-06 stsp while (!SIMPLEQ_EMPTY(&tree->entries.head)) {
586 03fa71c8 2018-09-06 stsp te = SIMPLEQ_FIRST(&tree->entries.head);
587 03fa71c8 2018-09-06 stsp SIMPLEQ_REMOVE_HEAD(&tree->entries.head, entry);
588 ad242220 2018-09-08 stsp got_object_tree_entry_close(te);
591 03fa71c8 2018-09-06 stsp free(tree);
594 a440fac0 2018-09-06 stsp struct got_tree_entry *
595 a440fac0 2018-09-06 stsp got_alloc_tree_entry_partial(void)
597 a440fac0 2018-09-06 stsp struct got_tree_entry *te;
599 32ac459c 2018-11-05 stsp te = malloc(sizeof(*te));
600 a440fac0 2018-09-06 stsp if (te == NULL)
601 a440fac0 2018-09-06 stsp return NULL;
603 32ac459c 2018-11-05 stsp te->id = malloc(sizeof(*te->id));
604 a440fac0 2018-09-06 stsp if (te->id == NULL) {
611 a440fac0 2018-09-06 stsp static const struct got_error *
612 a440fac0 2018-09-06 stsp parse_tree_entry(struct got_tree_entry **te, size_t *elen, char *buf,
613 a440fac0 2018-09-06 stsp size_t maxlen)
615 a440fac0 2018-09-06 stsp char *p = buf, *space;
616 a440fac0 2018-09-06 stsp const struct got_error *err = NULL;
618 a440fac0 2018-09-06 stsp *te = got_alloc_tree_entry_partial();
619 a440fac0 2018-09-06 stsp if (*te == NULL)
620 a440fac0 2018-09-06 stsp return got_error_from_errno();
622 a440fac0 2018-09-06 stsp *elen = strlen(buf) + 1;
623 a440fac0 2018-09-06 stsp if (*elen > maxlen) {
625 a440fac0 2018-09-06 stsp *te = NULL;
626 a440fac0 2018-09-06 stsp return got_error(GOT_ERR_BAD_OBJ_DATA);
629 a440fac0 2018-09-06 stsp space = strchr(buf, ' ');
630 a440fac0 2018-09-06 stsp if (space == NULL) {
631 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
633 a440fac0 2018-09-06 stsp *te = NULL;
634 a440fac0 2018-09-06 stsp return err;
636 6dfaee02 2018-11-05 stsp (*te)->mode = 0;
637 a440fac0 2018-09-06 stsp while (*p != ' ') {
638 a440fac0 2018-09-06 stsp if (*p < '0' && *p > '7') {
639 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
642 a440fac0 2018-09-06 stsp (*te)->mode <<= 3;
643 a440fac0 2018-09-06 stsp (*te)->mode |= *p - '0';
647 a440fac0 2018-09-06 stsp (*te)->name = strdup(space + 1);
648 a440fac0 2018-09-06 stsp if (*elen > maxlen || maxlen - *elen < SHA1_DIGEST_LENGTH) {
649 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
652 68bf1b1e 2018-11-07 stsp buf += *elen;
653 a440fac0 2018-09-06 stsp memcpy((*te)->id->sha1, buf, SHA1_DIGEST_LENGTH);
654 a440fac0 2018-09-06 stsp *elen += SHA1_DIGEST_LENGTH;
657 ad242220 2018-09-08 stsp got_object_tree_entry_close(*te);
658 a440fac0 2018-09-06 stsp *te = NULL;
660 a440fac0 2018-09-06 stsp return err;
663 a440fac0 2018-09-06 stsp const struct got_error *
664 a440fac0 2018-09-06 stsp got_object_parse_tree(struct got_tree_object **tree, uint8_t *buf, size_t len)
666 a440fac0 2018-09-06 stsp const struct got_error *err;
667 a440fac0 2018-09-06 stsp size_t remain = len;
668 f5d3d7af 2019-02-05 stsp struct got_pathlist_head pathlist;
669 f5d3d7af 2019-02-05 stsp struct got_pathlist_entry *pe;
671 f5d3d7af 2019-02-05 stsp TAILQ_INIT(&pathlist);
673 a440fac0 2018-09-06 stsp *tree = calloc(1, sizeof(**tree));
674 a440fac0 2018-09-06 stsp if (*tree == NULL)
675 a440fac0 2018-09-06 stsp return got_error_from_errno();
677 a440fac0 2018-09-06 stsp SIMPLEQ_INIT(&(*tree)->entries.head);
679 a440fac0 2018-09-06 stsp while (remain > 0) {
680 a440fac0 2018-09-06 stsp struct got_tree_entry *te;
681 f5d3d7af 2019-02-05 stsp struct got_pathlist_entry *new = NULL;
682 a440fac0 2018-09-06 stsp size_t elen;
684 a440fac0 2018-09-06 stsp err = parse_tree_entry(&te, &elen, buf, remain);
687 f5d3d7af 2019-02-05 stsp err = got_pathlist_insert(&new, &pathlist, te->name, te);
690 f5d3d7af 2019-02-05 stsp if (new == NULL) {
691 f5d3d7af 2019-02-05 stsp err = got_error(GOT_ERR_TREE_DUP_ENTRY);
694 a440fac0 2018-09-06 stsp buf += elen;
695 a440fac0 2018-09-06 stsp remain -= elen;
698 a440fac0 2018-09-06 stsp if (remain != 0) {
699 a440fac0 2018-09-06 stsp got_object_tree_close(*tree);
700 13f977b4 2018-11-17 stsp *tree = NULL;
701 f5d3d7af 2019-02-05 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
705 f5d3d7af 2019-02-05 stsp TAILQ_FOREACH(pe, &pathlist, entry) {
706 f5d3d7af 2019-02-05 stsp struct got_tree_entry *te = pe->data;
707 f5d3d7af 2019-02-05 stsp (*tree)->entries.nentries++;
708 f5d3d7af 2019-02-05 stsp SIMPLEQ_INSERT_TAIL(&(*tree)->entries.head, te, entry);
711 f5d3d7af 2019-02-05 stsp got_pathlist_free(&pathlist);
712 f5d3d7af 2019-02-05 stsp return err;
716 f4a881ce 2018-11-17 stsp got_object_tag_close(struct got_tag_object *tag)
718 f4a881ce 2018-11-17 stsp free(tag->tag);
719 f4a881ce 2018-11-17 stsp free(tag->tagger);
720 f4a881ce 2018-11-17 stsp free(tag->tagmsg);
724 ad242220 2018-09-08 stsp const struct got_error *
725 f4a881ce 2018-11-17 stsp got_object_parse_tag(struct got_tag_object **tag, uint8_t *buf, size_t len)
727 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
728 f4a881ce 2018-11-17 stsp size_t remain = len;
729 f4a881ce 2018-11-17 stsp char *s = buf;
730 f4a881ce 2018-11-17 stsp size_t tlen;
732 f4a881ce 2018-11-17 stsp *tag = calloc(1, sizeof(**tag));
733 f4a881ce 2018-11-17 stsp if (*tag == NULL)
734 f4a881ce 2018-11-17 stsp return got_error_from_errno();
736 f4a881ce 2018-11-17 stsp tlen = strlen(GOT_TAG_TAG_OBJECT);
737 f4a881ce 2018-11-17 stsp if (strncmp(s, GOT_TAG_TAG_OBJECT, tlen) == 0) {
738 f4a881ce 2018-11-17 stsp remain -= tlen;
739 f4a881ce 2018-11-17 stsp if (remain < 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 (!got_parse_sha1_digest((*tag)->id.sha1, s)) {
745 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
748 f4a881ce 2018-11-17 stsp remain -= SHA1_DIGEST_STRING_LENGTH;
749 f4a881ce 2018-11-17 stsp s += SHA1_DIGEST_STRING_LENGTH;
751 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
755 f4a881ce 2018-11-17 stsp if (remain <= 0) {
756 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
760 f4a881ce 2018-11-17 stsp tlen = strlen(GOT_TAG_TAG_TYPE);
761 f4a881ce 2018-11-17 stsp if (strncmp(s, GOT_TAG_TAG_TYPE, tlen) == 0) {
762 f4a881ce 2018-11-17 stsp remain -= tlen;
763 f4a881ce 2018-11-17 stsp if (remain <= 0) {
764 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
768 f4a881ce 2018-11-17 stsp if (strncmp(s, GOT_OBJ_TAG_COMMIT,
769 f4a881ce 2018-11-17 stsp strlen(GOT_OBJ_TAG_COMMIT)) == 0) {
770 f4a881ce 2018-11-17 stsp (*tag)->obj_type = GOT_OBJ_TYPE_COMMIT;
771 f4a881ce 2018-11-17 stsp tlen = strlen(GOT_OBJ_TAG_COMMIT);
773 f4a881ce 2018-11-17 stsp remain -= tlen;
774 f4a881ce 2018-11-17 stsp } else if (strncmp(s, GOT_OBJ_TAG_TREE,
775 f4a881ce 2018-11-17 stsp strlen(GOT_OBJ_TAG_TREE)) == 0) {
776 f4a881ce 2018-11-17 stsp (*tag)->obj_type = GOT_OBJ_TYPE_TREE;
777 f4a881ce 2018-11-17 stsp tlen = strlen(GOT_OBJ_TAG_TREE);
779 f4a881ce 2018-11-17 stsp remain -= tlen;
780 f4a881ce 2018-11-17 stsp } else if (strncmp(s, GOT_OBJ_TAG_BLOB,
781 f4a881ce 2018-11-17 stsp strlen(GOT_OBJ_TAG_BLOB)) == 0) {
782 f4a881ce 2018-11-17 stsp (*tag)->obj_type = GOT_OBJ_TYPE_BLOB;
783 f4a881ce 2018-11-17 stsp tlen = strlen(GOT_OBJ_TAG_BLOB);
785 f4a881ce 2018-11-17 stsp remain -= tlen;
786 f4a881ce 2018-11-17 stsp } else if (strncmp(s, GOT_OBJ_TAG_TAG,
787 f4a881ce 2018-11-17 stsp strlen(GOT_OBJ_TAG_TAG)) == 0) {
788 f4a881ce 2018-11-17 stsp (*tag)->obj_type = GOT_OBJ_TYPE_TAG;
789 f4a881ce 2018-11-17 stsp tlen = strlen(GOT_OBJ_TAG_TAG);
791 f4a881ce 2018-11-17 stsp remain -= tlen;
793 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
797 f4a881ce 2018-11-17 stsp if (remain <= 0 || *s != '\n') {
798 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
803 f4a881ce 2018-11-17 stsp if (remain <= 0) {
804 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
808 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
812 f4a881ce 2018-11-17 stsp tlen = strlen(GOT_TAG_TAG_TAG);
813 f4a881ce 2018-11-17 stsp if (strncmp(s, GOT_TAG_TAG_TAG, tlen) == 0) {
815 f4a881ce 2018-11-17 stsp size_t slen;
816 f4a881ce 2018-11-17 stsp remain -= tlen;
817 f4a881ce 2018-11-17 stsp if (remain <= 0) {
818 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
822 f4a881ce 2018-11-17 stsp p = strchr(s, '\n');
823 f4a881ce 2018-11-17 stsp if (p == NULL) {
824 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
828 f4a881ce 2018-11-17 stsp slen = strlen(s);
829 f4a881ce 2018-11-17 stsp (*tag)->tag = strndup(s, slen);
830 f4a881ce 2018-11-17 stsp if ((*tag)->tag == NULL) {
831 f4a881ce 2018-11-17 stsp err = got_error_from_errno();
834 f4a881ce 2018-11-17 stsp s += slen + 1;
835 f4a881ce 2018-11-17 stsp remain -= slen + 1;
836 f4a881ce 2018-11-17 stsp if (remain <= 0) {
837 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
841 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
845 f4a881ce 2018-11-17 stsp tlen = strlen(GOT_TAG_TAG_TAGGER);
846 f4a881ce 2018-11-17 stsp if (strncmp(s, GOT_TAG_TAG_TAGGER, tlen) == 0) {
848 f4a881ce 2018-11-17 stsp size_t slen;
850 f4a881ce 2018-11-17 stsp remain -= tlen;
851 f4a881ce 2018-11-17 stsp if (remain <= 0) {
852 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
856 f4a881ce 2018-11-17 stsp p = strchr(s, '\n');
857 f4a881ce 2018-11-17 stsp if (p == NULL) {
858 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
862 f4a881ce 2018-11-17 stsp slen = strlen(s);
863 f4a881ce 2018-11-17 stsp err = parse_commit_time(&(*tag)->tagger_time,
864 f4a881ce 2018-11-17 stsp &(*tag)->tagger_gmtoff, s);
867 f4a881ce 2018-11-17 stsp (*tag)->tagger = strdup(s);
868 f4a881ce 2018-11-17 stsp if ((*tag)->tagger == NULL) {
869 f4a881ce 2018-11-17 stsp err = got_error_from_errno();
872 f4a881ce 2018-11-17 stsp s += slen + 1;
873 f4a881ce 2018-11-17 stsp remain -= slen + 1;
874 f4a881ce 2018-11-17 stsp if (remain <= 0) {
875 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
879 e0e55b50 2019-02-01 stsp /* Some old tags in the Linux git repo have no tagger. */
880 e0e55b50 2019-02-01 stsp (*tag)->tagger = strdup("");
881 e0e55b50 2019-02-01 stsp if ((*tag)->tagger == NULL) {
882 e0e55b50 2019-02-01 stsp err = got_error_from_errno();
887 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = strndup(s, remain);
888 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
889 f4a881ce 2018-11-17 stsp err = got_error_from_errno();
894 f4a881ce 2018-11-17 stsp got_object_tag_close(*tag);
895 f4a881ce 2018-11-17 stsp *tag = NULL;
897 f4a881ce 2018-11-17 stsp return err;
900 f4a881ce 2018-11-17 stsp const struct got_error *
901 ad242220 2018-09-08 stsp got_read_file_to_mem(uint8_t **outbuf, size_t *outlen, FILE *f)
903 a440fac0 2018-09-06 stsp const struct got_error *err = NULL;
904 a440fac0 2018-09-06 stsp static const size_t blocksize = 512;
905 a440fac0 2018-09-06 stsp size_t n, total, remain;
906 a440fac0 2018-09-06 stsp uint8_t *buf;
908 a440fac0 2018-09-06 stsp *outbuf = NULL;
909 a440fac0 2018-09-06 stsp *outlen = 0;
911 a440fac0 2018-09-06 stsp buf = malloc(blocksize);
912 a440fac0 2018-09-06 stsp if (buf == NULL)
913 a440fac0 2018-09-06 stsp return got_error_from_errno();
915 a440fac0 2018-09-06 stsp remain = blocksize;
917 a440fac0 2018-09-06 stsp while (1) {
918 a440fac0 2018-09-06 stsp if (remain == 0) {
919 a440fac0 2018-09-06 stsp uint8_t *newbuf;
920 a440fac0 2018-09-06 stsp newbuf = reallocarray(buf, 1, total + blocksize);
921 a440fac0 2018-09-06 stsp if (newbuf == NULL) {
922 a440fac0 2018-09-06 stsp err = got_error_from_errno();
925 a440fac0 2018-09-06 stsp buf = newbuf;
926 a440fac0 2018-09-06 stsp remain += blocksize;
928 a440fac0 2018-09-06 stsp n = fread(buf + total, 1, remain, f);
929 a440fac0 2018-09-06 stsp if (n == 0) {
930 a440fac0 2018-09-06 stsp if (ferror(f)) {
931 a440fac0 2018-09-06 stsp err = got_ferror(f, GOT_ERR_IO);
934 a440fac0 2018-09-06 stsp break; /* EOF */
936 a440fac0 2018-09-06 stsp remain -= n;
937 a440fac0 2018-09-06 stsp total += n;
941 a440fac0 2018-09-06 stsp if (err == NULL) {
942 a440fac0 2018-09-06 stsp *outbuf = buf;
943 a440fac0 2018-09-06 stsp *outlen = total;
946 ad242220 2018-09-08 stsp return err;