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"
52 a440fac0 2018-09-06 stsp #ifndef nitems
53 a440fac0 2018-09-06 stsp #define nitems(_a) (sizeof(_a) / sizeof((_a)[0]))
56 f4a881ce 2018-11-17 stsp #define GOT_OBJ_TAG_COMMIT "commit"
57 f4a881ce 2018-11-17 stsp #define GOT_OBJ_TAG_TREE "tree"
58 f4a881ce 2018-11-17 stsp #define GOT_OBJ_TAG_BLOB "blob"
59 f4a881ce 2018-11-17 stsp #define GOT_OBJ_TAG_TAG "tag"
61 a440fac0 2018-09-06 stsp #define GOT_COMMIT_TAG_TREE "tree "
62 a440fac0 2018-09-06 stsp #define GOT_COMMIT_TAG_PARENT "parent "
63 a440fac0 2018-09-06 stsp #define GOT_COMMIT_TAG_AUTHOR "author "
64 a440fac0 2018-09-06 stsp #define GOT_COMMIT_TAG_COMMITTER "committer "
66 f4a881ce 2018-11-17 stsp #define GOT_TAG_TAG_OBJECT "object "
67 f4a881ce 2018-11-17 stsp #define GOT_TAG_TAG_TYPE "type "
68 f4a881ce 2018-11-17 stsp #define GOT_TAG_TAG_TAG "tag "
69 f4a881ce 2018-11-17 stsp #define GOT_TAG_TAG_TAGGER "tagger "
72 f054b67a 2018-11-05 stsp got_object_id_cmp(const struct got_object_id *id1,
73 f054b67a 2018-11-05 stsp const struct got_object_id *id2)
75 f054b67a 2018-11-05 stsp return memcmp(id1->sha1, id2->sha1, SHA1_DIGEST_LENGTH);
78 2ff12563 2018-09-15 stsp const struct got_error *
79 5df4932d 2018-11-05 stsp got_object_qid_alloc_partial(struct got_object_qid **qid)
81 5df4932d 2018-11-05 stsp const struct got_error *err = NULL;
83 5df4932d 2018-11-05 stsp *qid = malloc(sizeof(**qid));
84 5df4932d 2018-11-05 stsp if (*qid == NULL)
85 5df4932d 2018-11-05 stsp return got_error_from_errno();
87 5df4932d 2018-11-05 stsp (*qid)->id = malloc(sizeof(*((*qid)->id)));
88 5df4932d 2018-11-05 stsp if ((*qid)->id == NULL) {
89 5df4932d 2018-11-05 stsp err = got_error_from_errno();
90 5df4932d 2018-11-05 stsp got_object_qid_free(*qid);
91 5df4932d 2018-11-05 stsp *qid = NULL;
95 5df4932d 2018-11-05 stsp return NULL;
98 5df4932d 2018-11-05 stsp const struct got_error *
99 2ff12563 2018-09-15 stsp got_object_id_str(char **outbuf, struct got_object_id *id)
101 2ff12563 2018-09-15 stsp static const size_t len = SHA1_DIGEST_STRING_LENGTH;
103 2ff12563 2018-09-15 stsp *outbuf = malloc(len);
104 2ff12563 2018-09-15 stsp if (*outbuf == NULL)
105 2ff12563 2018-09-15 stsp return got_error_from_errno();
107 2ff12563 2018-09-15 stsp if (got_sha1_digest_to_str(id->sha1, *outbuf, len) == NULL) {
108 2ff12563 2018-09-15 stsp free(*outbuf);
109 2ff12563 2018-09-15 stsp *outbuf = NULL;
110 2ff12563 2018-09-15 stsp return got_error(GOT_ERR_BAD_OBJ_ID_STR);
113 2ff12563 2018-09-15 stsp return NULL;
117 03fa71c8 2018-09-06 stsp got_object_close(struct got_object *obj)
119 03fa71c8 2018-09-06 stsp if (obj->refcnt > 0) {
120 03fa71c8 2018-09-06 stsp obj->refcnt--;
121 03fa71c8 2018-09-06 stsp if (obj->refcnt > 0)
125 03fa71c8 2018-09-06 stsp if (obj->flags & GOT_OBJ_FLAG_DELTIFIED) {
126 03fa71c8 2018-09-06 stsp struct got_delta *delta;
127 03fa71c8 2018-09-06 stsp while (!SIMPLEQ_EMPTY(&obj->deltas.entries)) {
128 03fa71c8 2018-09-06 stsp delta = SIMPLEQ_FIRST(&obj->deltas.entries);
129 03fa71c8 2018-09-06 stsp SIMPLEQ_REMOVE_HEAD(&obj->deltas.entries, entry);
130 03fa71c8 2018-09-06 stsp got_delta_close(delta);
133 03fa71c8 2018-09-06 stsp if (obj->flags & GOT_OBJ_FLAG_PACKED)
134 03fa71c8 2018-09-06 stsp free(obj->path_packfile);
139 03fa71c8 2018-09-06 stsp got_object_qid_free(struct got_object_qid *qid)
141 03fa71c8 2018-09-06 stsp free(qid->id);
145 1785f84a 2018-12-23 stsp const struct got_error *
146 1785f84a 2018-12-23 stsp got_object_parse_header(struct got_object **obj, char *buf, size_t len)
148 1785f84a 2018-12-23 stsp const char *obj_tags[] = {
149 1785f84a 2018-12-23 stsp GOT_OBJ_TAG_COMMIT,
150 1785f84a 2018-12-23 stsp GOT_OBJ_TAG_TREE,
151 1785f84a 2018-12-23 stsp GOT_OBJ_TAG_BLOB,
152 1785f84a 2018-12-23 stsp GOT_OBJ_TAG_TAG,
154 1785f84a 2018-12-23 stsp const int obj_types[] = {
155 1785f84a 2018-12-23 stsp GOT_OBJ_TYPE_COMMIT,
156 1785f84a 2018-12-23 stsp GOT_OBJ_TYPE_TREE,
157 1785f84a 2018-12-23 stsp GOT_OBJ_TYPE_BLOB,
158 1785f84a 2018-12-23 stsp GOT_OBJ_TYPE_TAG,
160 1785f84a 2018-12-23 stsp int type = 0;
161 1785f84a 2018-12-23 stsp size_t size = 0, hdrlen = 0;
163 1785f84a 2018-12-23 stsp char *p = strchr(buf, '\0');
165 1785f84a 2018-12-23 stsp *obj = NULL;
167 1785f84a 2018-12-23 stsp if (p == NULL)
168 1785f84a 2018-12-23 stsp return got_error(GOT_ERR_BAD_OBJ_HDR);
170 1785f84a 2018-12-23 stsp hdrlen = strlen(buf) + 1 /* '\0' */;
172 1785f84a 2018-12-23 stsp for (i = 0; i < nitems(obj_tags); i++) {
173 1785f84a 2018-12-23 stsp const char *tag = obj_tags[i];
174 1785f84a 2018-12-23 stsp size_t tlen = strlen(tag);
175 1785f84a 2018-12-23 stsp const char *errstr;
177 1785f84a 2018-12-23 stsp if (strncmp(buf, tag, tlen) != 0)
180 1785f84a 2018-12-23 stsp type = obj_types[i];
181 1785f84a 2018-12-23 stsp if (len <= tlen)
182 1785f84a 2018-12-23 stsp return got_error(GOT_ERR_BAD_OBJ_HDR);
183 1785f84a 2018-12-23 stsp size = strtonum(buf + tlen, 0, LONG_MAX, &errstr);
184 1785f84a 2018-12-23 stsp if (errstr != NULL)
185 1785f84a 2018-12-23 stsp return got_error(GOT_ERR_BAD_OBJ_HDR);
189 1785f84a 2018-12-23 stsp if (type == 0)
190 1785f84a 2018-12-23 stsp return got_error(GOT_ERR_BAD_OBJ_HDR);
192 1785f84a 2018-12-23 stsp *obj = calloc(1, sizeof(**obj));
193 1785f84a 2018-12-23 stsp if (*obj == NULL)
194 1785f84a 2018-12-23 stsp return got_error_from_errno();
195 1785f84a 2018-12-23 stsp (*obj)->type = type;
196 1785f84a 2018-12-23 stsp (*obj)->hdrlen = hdrlen;
197 1785f84a 2018-12-23 stsp (*obj)->size = size;
198 1785f84a 2018-12-23 stsp return NULL;
201 1785f84a 2018-12-23 stsp const struct got_error *
202 1785f84a 2018-12-23 stsp got_object_read_header(struct got_object **obj, int fd)
204 1785f84a 2018-12-23 stsp const struct got_error *err;
205 1785f84a 2018-12-23 stsp struct got_zstream_buf zb;
207 1785f84a 2018-12-23 stsp const size_t zbsize = 64;
208 1785f84a 2018-12-23 stsp size_t outlen, totlen;
209 1785f84a 2018-12-23 stsp int nbuf = 1;
211 1785f84a 2018-12-23 stsp *obj = NULL;
213 1785f84a 2018-12-23 stsp buf = malloc(zbsize);
214 1785f84a 2018-12-23 stsp if (buf == NULL)
215 1785f84a 2018-12-23 stsp return got_error_from_errno();
217 1785f84a 2018-12-23 stsp err = got_inflate_init(&zb, buf, zbsize);
219 1785f84a 2018-12-23 stsp return err;
221 1785f84a 2018-12-23 stsp totlen = 0;
223 1785f84a 2018-12-23 stsp err = got_inflate_read_fd(&zb, fd, &outlen);
226 1785f84a 2018-12-23 stsp if (outlen == 0)
228 1785f84a 2018-12-23 stsp totlen += outlen;
229 1785f84a 2018-12-23 stsp if (strchr(zb.outbuf, '\0') == NULL) {
230 1785f84a 2018-12-23 stsp char *newbuf;
232 1785f84a 2018-12-23 stsp newbuf = recallocarray(buf, nbuf - 1, nbuf, zbsize);
233 1785f84a 2018-12-23 stsp if (newbuf == NULL) {
234 1785f84a 2018-12-23 stsp err = got_error_from_errno();
237 1785f84a 2018-12-23 stsp buf = newbuf;
238 1785f84a 2018-12-23 stsp zb.outbuf = newbuf + totlen;
239 1785f84a 2018-12-23 stsp zb.outlen = (nbuf * zbsize) - totlen;
241 1785f84a 2018-12-23 stsp } while (strchr(zb.outbuf, '\0') == NULL);
243 1785f84a 2018-12-23 stsp err = got_object_parse_header(obj, buf, totlen);
246 1785f84a 2018-12-23 stsp got_inflate_end(&zb);
247 1785f84a 2018-12-23 stsp return err;
250 a440fac0 2018-09-06 stsp struct got_commit_object *
251 a440fac0 2018-09-06 stsp got_object_commit_alloc_partial(void)
253 a440fac0 2018-09-06 stsp struct got_commit_object *commit;
255 a440fac0 2018-09-06 stsp commit = calloc(1, sizeof(*commit));
256 a440fac0 2018-09-06 stsp if (commit == NULL)
257 a440fac0 2018-09-06 stsp return NULL;
258 acf0c7c6 2018-11-05 stsp commit->tree_id = malloc(sizeof(*commit->tree_id));
259 a440fac0 2018-09-06 stsp if (commit->tree_id == NULL) {
260 a440fac0 2018-09-06 stsp free(commit);
261 a440fac0 2018-09-06 stsp return NULL;
264 a440fac0 2018-09-06 stsp SIMPLEQ_INIT(&commit->parent_ids);
266 a440fac0 2018-09-06 stsp return commit;
269 a440fac0 2018-09-06 stsp const struct got_error *
270 a440fac0 2018-09-06 stsp got_object_commit_add_parent(struct got_commit_object *commit,
271 a440fac0 2018-09-06 stsp const char *id_str)
273 a440fac0 2018-09-06 stsp const struct got_error *err = NULL;
274 a440fac0 2018-09-06 stsp struct got_object_qid *qid;
276 5df4932d 2018-11-05 stsp err = got_object_qid_alloc_partial(&qid);
278 7762fe12 2018-11-05 stsp return err;
280 a440fac0 2018-09-06 stsp if (!got_parse_sha1_digest(qid->id->sha1, id_str)) {
281 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
282 a440fac0 2018-09-06 stsp free(qid->id);
284 a440fac0 2018-09-06 stsp return err;
287 a440fac0 2018-09-06 stsp SIMPLEQ_INSERT_TAIL(&commit->parent_ids, qid, entry);
288 a440fac0 2018-09-06 stsp commit->nparents++;
290 a440fac0 2018-09-06 stsp return NULL;
293 a440fac0 2018-09-06 stsp static const struct got_error *
294 a440fac0 2018-09-06 stsp parse_gmtoff(time_t *gmtoff, const char *tzstr)
296 a440fac0 2018-09-06 stsp int sign = 1;
297 a440fac0 2018-09-06 stsp const char *p = tzstr;
298 a440fac0 2018-09-06 stsp time_t h, m;
300 a440fac0 2018-09-06 stsp *gmtoff = 0;
302 a440fac0 2018-09-06 stsp if (*p == '-')
304 a440fac0 2018-09-06 stsp else if (*p != '+')
305 a440fac0 2018-09-06 stsp return got_error(GOT_ERR_BAD_OBJ_DATA);
307 a440fac0 2018-09-06 stsp if (!isdigit(*p) && !isdigit(*(p + 1)))
308 a440fac0 2018-09-06 stsp return got_error(GOT_ERR_BAD_OBJ_DATA);
309 a440fac0 2018-09-06 stsp h = (((*p - '0') * 10) + (*(p + 1) - '0'));
312 a440fac0 2018-09-06 stsp if (!isdigit(*p) && !isdigit(*(p + 1)))
313 a440fac0 2018-09-06 stsp return got_error(GOT_ERR_BAD_OBJ_DATA);
314 a440fac0 2018-09-06 stsp m = ((*p - '0') * 10) + (*(p + 1) - '0');
316 a440fac0 2018-09-06 stsp *gmtoff = (h * 60 * 60 + m * 60) * sign;
317 a440fac0 2018-09-06 stsp return NULL;
320 a440fac0 2018-09-06 stsp static const struct got_error *
321 ccb26ccd 2018-11-05 stsp parse_commit_time(time_t *time, time_t *gmtoff, char *committer)
323 a440fac0 2018-09-06 stsp const struct got_error *err = NULL;
324 a440fac0 2018-09-06 stsp const char *errstr;
325 a440fac0 2018-09-06 stsp char *space, *tzstr;
327 a440fac0 2018-09-06 stsp /* Parse and strip off trailing timezone indicator string. */
328 a440fac0 2018-09-06 stsp space = strrchr(committer, ' ');
329 a440fac0 2018-09-06 stsp if (space == NULL)
330 a440fac0 2018-09-06 stsp return got_error(GOT_ERR_BAD_OBJ_DATA);
331 a440fac0 2018-09-06 stsp tzstr = strdup(space + 1);
332 a440fac0 2018-09-06 stsp if (tzstr == NULL)
333 a440fac0 2018-09-06 stsp return got_error_from_errno();
334 ccb26ccd 2018-11-05 stsp err = parse_gmtoff(gmtoff, tzstr);
335 a440fac0 2018-09-06 stsp free(tzstr);
337 a440fac0 2018-09-06 stsp return err;
338 a440fac0 2018-09-06 stsp *space = '\0';
340 a440fac0 2018-09-06 stsp /* Timestamp is separated from committer name + email by space. */
341 a440fac0 2018-09-06 stsp space = strrchr(committer, ' ');
342 a440fac0 2018-09-06 stsp if (space == NULL)
343 a440fac0 2018-09-06 stsp return got_error(GOT_ERR_BAD_OBJ_DATA);
345 a440fac0 2018-09-06 stsp /* Timestamp parsed here is expressed in comitter's local time. */
346 ccb26ccd 2018-11-05 stsp *time = strtonum(space + 1, 0, INT64_MAX, &errstr);
347 a440fac0 2018-09-06 stsp if (errstr)
348 a440fac0 2018-09-06 stsp return got_error(GOT_ERR_BAD_OBJ_DATA);
350 a440fac0 2018-09-06 stsp /* Express the time stamp in UTC. */
351 ccb26ccd 2018-11-05 stsp *time -= *gmtoff;
353 a440fac0 2018-09-06 stsp /* Strip off parsed time information, leaving just author and email. */
354 a440fac0 2018-09-06 stsp *space = '\0';
356 a440fac0 2018-09-06 stsp return NULL;
360 03fa71c8 2018-09-06 stsp got_object_commit_close(struct got_commit_object *commit)
362 03fa71c8 2018-09-06 stsp struct got_object_qid *qid;
364 03fa71c8 2018-09-06 stsp if (commit->refcnt > 0) {
365 03fa71c8 2018-09-06 stsp commit->refcnt--;
366 03fa71c8 2018-09-06 stsp if (commit->refcnt > 0)
370 03fa71c8 2018-09-06 stsp while (!SIMPLEQ_EMPTY(&commit->parent_ids)) {
371 03fa71c8 2018-09-06 stsp qid = SIMPLEQ_FIRST(&commit->parent_ids);
372 03fa71c8 2018-09-06 stsp SIMPLEQ_REMOVE_HEAD(&commit->parent_ids, entry);
373 03fa71c8 2018-09-06 stsp got_object_qid_free(qid);
376 03fa71c8 2018-09-06 stsp free(commit->tree_id);
377 03fa71c8 2018-09-06 stsp free(commit->author);
378 03fa71c8 2018-09-06 stsp free(commit->committer);
379 03fa71c8 2018-09-06 stsp free(commit->logmsg);
380 03fa71c8 2018-09-06 stsp free(commit);
383 45d799e2 2018-12-23 stsp struct got_object_id *
384 45d799e2 2018-12-23 stsp got_object_commit_get_tree_id(struct got_commit_object *commit)
386 45d799e2 2018-12-23 stsp return commit->tree_id;
390 45d799e2 2018-12-23 stsp got_object_commit_get_nparents(struct got_commit_object *commit)
392 45d799e2 2018-12-23 stsp return commit->nparents;
395 45d799e2 2018-12-23 stsp const struct got_object_id_queue *
396 45d799e2 2018-12-23 stsp got_object_commit_get_parent_ids(struct got_commit_object *commit)
398 45d799e2 2018-12-23 stsp return &commit->parent_ids;
401 45d799e2 2018-12-23 stsp const char *
402 45d799e2 2018-12-23 stsp got_object_commit_get_author(struct got_commit_object *commit)
404 45d799e2 2018-12-23 stsp return commit->author;
408 45d799e2 2018-12-23 stsp got_object_commit_get_author_time(struct got_commit_object *commit)
410 45d799e2 2018-12-23 stsp return commit->author_time;
413 45d799e2 2018-12-23 stsp time_t got_object_commit_get_author_gmtoff(struct got_commit_object *commit)
415 45d799e2 2018-12-23 stsp return commit->author_gmtoff;
418 45d799e2 2018-12-23 stsp const char *
419 45d799e2 2018-12-23 stsp got_object_commit_get_committer(struct got_commit_object *commit)
421 45d799e2 2018-12-23 stsp return commit->committer;
425 45d799e2 2018-12-23 stsp got_object_commit_get_committer_time(struct got_commit_object *commit)
427 45d799e2 2018-12-23 stsp return commit->committer_time;
431 45d799e2 2018-12-23 stsp got_object_commit_get_committer_gmtoff(struct got_commit_object *commit)
433 45d799e2 2018-12-23 stsp return commit->committer_gmtoff;
436 45d799e2 2018-12-23 stsp const char *
437 45d799e2 2018-12-23 stsp got_object_commit_get_logmsg(struct got_commit_object *commit)
439 45d799e2 2018-12-23 stsp return commit->logmsg;
442 a440fac0 2018-09-06 stsp const struct got_error *
443 41fa1437 2018-11-05 stsp got_object_parse_commit(struct got_commit_object **commit, char *buf, size_t len)
445 a440fac0 2018-09-06 stsp const struct got_error *err = NULL;
446 a440fac0 2018-09-06 stsp char *s = buf;
447 a440fac0 2018-09-06 stsp size_t tlen;
448 a440fac0 2018-09-06 stsp ssize_t remain = (ssize_t)len;
450 a440fac0 2018-09-06 stsp *commit = got_object_commit_alloc_partial();
451 a440fac0 2018-09-06 stsp if (*commit == NULL)
452 a440fac0 2018-09-06 stsp return got_error_from_errno();
454 a440fac0 2018-09-06 stsp tlen = strlen(GOT_COMMIT_TAG_TREE);
455 a440fac0 2018-09-06 stsp if (strncmp(s, GOT_COMMIT_TAG_TREE, tlen) == 0) {
456 a440fac0 2018-09-06 stsp remain -= tlen;
457 a440fac0 2018-09-06 stsp if (remain < SHA1_DIGEST_STRING_LENGTH) {
458 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
462 a440fac0 2018-09-06 stsp if (!got_parse_sha1_digest((*commit)->tree_id->sha1, s)) {
463 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
466 a440fac0 2018-09-06 stsp remain -= SHA1_DIGEST_STRING_LENGTH;
467 a440fac0 2018-09-06 stsp s += SHA1_DIGEST_STRING_LENGTH;
469 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
473 a440fac0 2018-09-06 stsp tlen = strlen(GOT_COMMIT_TAG_PARENT);
474 a440fac0 2018-09-06 stsp while (strncmp(s, GOT_COMMIT_TAG_PARENT, tlen) == 0) {
475 a440fac0 2018-09-06 stsp remain -= tlen;
476 a440fac0 2018-09-06 stsp if (remain < SHA1_DIGEST_STRING_LENGTH) {
477 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
481 a440fac0 2018-09-06 stsp err = got_object_commit_add_parent(*commit, s);
485 a440fac0 2018-09-06 stsp remain -= SHA1_DIGEST_STRING_LENGTH;
486 a440fac0 2018-09-06 stsp s += SHA1_DIGEST_STRING_LENGTH;
489 a440fac0 2018-09-06 stsp tlen = strlen(GOT_COMMIT_TAG_AUTHOR);
490 a440fac0 2018-09-06 stsp if (strncmp(s, GOT_COMMIT_TAG_AUTHOR, tlen) == 0) {
492 a440fac0 2018-09-06 stsp size_t slen;
494 a440fac0 2018-09-06 stsp remain -= tlen;
495 a440fac0 2018-09-06 stsp if (remain <= 0) {
496 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
500 a440fac0 2018-09-06 stsp p = strchr(s, '\n');
501 a440fac0 2018-09-06 stsp if (p == NULL) {
502 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
506 a440fac0 2018-09-06 stsp slen = strlen(s);
507 ccb26ccd 2018-11-05 stsp err = parse_commit_time(&(*commit)->author_time,
508 ccb26ccd 2018-11-05 stsp &(*commit)->author_gmtoff, s);
511 a440fac0 2018-09-06 stsp (*commit)->author = strdup(s);
512 a440fac0 2018-09-06 stsp if ((*commit)->author == NULL) {
513 a440fac0 2018-09-06 stsp err = got_error_from_errno();
516 a440fac0 2018-09-06 stsp s += slen + 1;
517 a440fac0 2018-09-06 stsp remain -= slen + 1;
520 a440fac0 2018-09-06 stsp tlen = strlen(GOT_COMMIT_TAG_COMMITTER);
521 a440fac0 2018-09-06 stsp if (strncmp(s, GOT_COMMIT_TAG_COMMITTER, tlen) == 0) {
523 a440fac0 2018-09-06 stsp size_t slen;
525 a440fac0 2018-09-06 stsp remain -= tlen;
526 a440fac0 2018-09-06 stsp if (remain <= 0) {
527 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
531 a440fac0 2018-09-06 stsp p = strchr(s, '\n');
532 a440fac0 2018-09-06 stsp if (p == NULL) {
533 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
537 a440fac0 2018-09-06 stsp slen = strlen(s);
538 ccb26ccd 2018-11-05 stsp err = parse_commit_time(&(*commit)->committer_time,
539 ccb26ccd 2018-11-05 stsp &(*commit)->committer_gmtoff, s);
542 a440fac0 2018-09-06 stsp (*commit)->committer = strdup(s);
543 a440fac0 2018-09-06 stsp if ((*commit)->committer == NULL) {
544 a440fac0 2018-09-06 stsp err = got_error_from_errno();
547 a440fac0 2018-09-06 stsp s += slen + 1;
548 a440fac0 2018-09-06 stsp remain -= slen + 1;
551 a440fac0 2018-09-06 stsp (*commit)->logmsg = strndup(s, remain);
552 a440fac0 2018-09-06 stsp if ((*commit)->logmsg == NULL) {
553 a440fac0 2018-09-06 stsp err = got_error_from_errno();
558 a440fac0 2018-09-06 stsp got_object_commit_close(*commit);
559 a440fac0 2018-09-06 stsp *commit = NULL;
561 a440fac0 2018-09-06 stsp return err;
565 ad242220 2018-09-08 stsp got_object_tree_entry_close(struct got_tree_entry *te)
567 a440fac0 2018-09-06 stsp free(te->id);
568 a440fac0 2018-09-06 stsp free(te->name);
573 03fa71c8 2018-09-06 stsp got_object_tree_close(struct got_tree_object *tree)
575 03fa71c8 2018-09-06 stsp struct got_tree_entry *te;
577 03fa71c8 2018-09-06 stsp if (tree->refcnt > 0) {
578 03fa71c8 2018-09-06 stsp tree->refcnt--;
579 03fa71c8 2018-09-06 stsp if (tree->refcnt > 0)
583 03fa71c8 2018-09-06 stsp while (!SIMPLEQ_EMPTY(&tree->entries.head)) {
584 03fa71c8 2018-09-06 stsp te = SIMPLEQ_FIRST(&tree->entries.head);
585 03fa71c8 2018-09-06 stsp SIMPLEQ_REMOVE_HEAD(&tree->entries.head, entry);
586 ad242220 2018-09-08 stsp got_object_tree_entry_close(te);
589 03fa71c8 2018-09-06 stsp free(tree);
592 a440fac0 2018-09-06 stsp struct got_tree_entry *
593 a440fac0 2018-09-06 stsp got_alloc_tree_entry_partial(void)
595 a440fac0 2018-09-06 stsp struct got_tree_entry *te;
597 32ac459c 2018-11-05 stsp te = malloc(sizeof(*te));
598 a440fac0 2018-09-06 stsp if (te == NULL)
599 a440fac0 2018-09-06 stsp return NULL;
601 32ac459c 2018-11-05 stsp te->id = malloc(sizeof(*te->id));
602 a440fac0 2018-09-06 stsp if (te->id == NULL) {
609 a440fac0 2018-09-06 stsp static const struct got_error *
610 a440fac0 2018-09-06 stsp parse_tree_entry(struct got_tree_entry **te, size_t *elen, char *buf,
611 a440fac0 2018-09-06 stsp size_t maxlen)
613 a440fac0 2018-09-06 stsp char *p = buf, *space;
614 a440fac0 2018-09-06 stsp const struct got_error *err = NULL;
616 a440fac0 2018-09-06 stsp *te = got_alloc_tree_entry_partial();
617 a440fac0 2018-09-06 stsp if (*te == NULL)
618 a440fac0 2018-09-06 stsp return got_error_from_errno();
620 a440fac0 2018-09-06 stsp *elen = strlen(buf) + 1;
621 a440fac0 2018-09-06 stsp if (*elen > maxlen) {
623 a440fac0 2018-09-06 stsp *te = NULL;
624 a440fac0 2018-09-06 stsp return got_error(GOT_ERR_BAD_OBJ_DATA);
627 a440fac0 2018-09-06 stsp space = strchr(buf, ' ');
628 a440fac0 2018-09-06 stsp if (space == NULL) {
629 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
631 a440fac0 2018-09-06 stsp *te = NULL;
632 a440fac0 2018-09-06 stsp return err;
634 6dfaee02 2018-11-05 stsp (*te)->mode = 0;
635 a440fac0 2018-09-06 stsp while (*p != ' ') {
636 a440fac0 2018-09-06 stsp if (*p < '0' && *p > '7') {
637 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
640 a440fac0 2018-09-06 stsp (*te)->mode <<= 3;
641 a440fac0 2018-09-06 stsp (*te)->mode |= *p - '0';
645 a440fac0 2018-09-06 stsp (*te)->name = strdup(space + 1);
646 a440fac0 2018-09-06 stsp if (*elen > maxlen || maxlen - *elen < SHA1_DIGEST_LENGTH) {
647 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
650 68bf1b1e 2018-11-07 stsp buf += *elen;
651 a440fac0 2018-09-06 stsp memcpy((*te)->id->sha1, buf, SHA1_DIGEST_LENGTH);
652 a440fac0 2018-09-06 stsp *elen += SHA1_DIGEST_LENGTH;
655 ad242220 2018-09-08 stsp got_object_tree_entry_close(*te);
656 a440fac0 2018-09-06 stsp *te = NULL;
658 a440fac0 2018-09-06 stsp return err;
661 a440fac0 2018-09-06 stsp const struct got_error *
662 a440fac0 2018-09-06 stsp got_object_parse_tree(struct got_tree_object **tree, uint8_t *buf, size_t len)
664 a440fac0 2018-09-06 stsp const struct got_error *err;
665 a440fac0 2018-09-06 stsp size_t remain = len;
667 a440fac0 2018-09-06 stsp *tree = calloc(1, sizeof(**tree));
668 a440fac0 2018-09-06 stsp if (*tree == NULL)
669 a440fac0 2018-09-06 stsp return got_error_from_errno();
671 a440fac0 2018-09-06 stsp SIMPLEQ_INIT(&(*tree)->entries.head);
673 a440fac0 2018-09-06 stsp while (remain > 0) {
674 a440fac0 2018-09-06 stsp struct got_tree_entry *te;
675 a440fac0 2018-09-06 stsp size_t elen;
677 a440fac0 2018-09-06 stsp err = parse_tree_entry(&te, &elen, buf, remain);
679 a440fac0 2018-09-06 stsp return err;
680 a440fac0 2018-09-06 stsp (*tree)->entries.nentries++;
681 a440fac0 2018-09-06 stsp SIMPLEQ_INSERT_TAIL(&(*tree)->entries.head, te, entry);
682 a440fac0 2018-09-06 stsp buf += elen;
683 a440fac0 2018-09-06 stsp remain -= elen;
686 a440fac0 2018-09-06 stsp if (remain != 0) {
687 a440fac0 2018-09-06 stsp got_object_tree_close(*tree);
688 13f977b4 2018-11-17 stsp *tree = NULL;
689 a440fac0 2018-09-06 stsp return got_error(GOT_ERR_BAD_OBJ_DATA);
692 a440fac0 2018-09-06 stsp return NULL;
696 f4a881ce 2018-11-17 stsp got_object_tag_close(struct got_tag_object *tag)
698 f4a881ce 2018-11-17 stsp free(tag->tag);
699 f4a881ce 2018-11-17 stsp free(tag->tagger);
700 f4a881ce 2018-11-17 stsp free(tag->tagmsg);
704 ad242220 2018-09-08 stsp const struct got_error *
705 f4a881ce 2018-11-17 stsp got_object_parse_tag(struct got_tag_object **tag, uint8_t *buf, size_t len)
707 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
708 f4a881ce 2018-11-17 stsp size_t remain = len;
709 f4a881ce 2018-11-17 stsp char *s = buf;
710 f4a881ce 2018-11-17 stsp size_t tlen;
712 f4a881ce 2018-11-17 stsp *tag = calloc(1, sizeof(**tag));
713 f4a881ce 2018-11-17 stsp if (*tag == NULL)
714 f4a881ce 2018-11-17 stsp return got_error_from_errno();
716 f4a881ce 2018-11-17 stsp tlen = strlen(GOT_TAG_TAG_OBJECT);
717 f4a881ce 2018-11-17 stsp if (strncmp(s, GOT_TAG_TAG_OBJECT, tlen) == 0) {
718 f4a881ce 2018-11-17 stsp remain -= tlen;
719 f4a881ce 2018-11-17 stsp if (remain < SHA1_DIGEST_STRING_LENGTH) {
720 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
724 f4a881ce 2018-11-17 stsp if (!got_parse_sha1_digest((*tag)->id.sha1, s)) {
725 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
728 f4a881ce 2018-11-17 stsp remain -= SHA1_DIGEST_STRING_LENGTH;
729 f4a881ce 2018-11-17 stsp s += SHA1_DIGEST_STRING_LENGTH;
731 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
735 f4a881ce 2018-11-17 stsp if (remain <= 0) {
736 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
740 f4a881ce 2018-11-17 stsp tlen = strlen(GOT_TAG_TAG_TYPE);
741 f4a881ce 2018-11-17 stsp if (strncmp(s, GOT_TAG_TAG_TYPE, tlen) == 0) {
742 f4a881ce 2018-11-17 stsp remain -= tlen;
743 f4a881ce 2018-11-17 stsp if (remain <= 0) {
744 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
748 f4a881ce 2018-11-17 stsp if (strncmp(s, GOT_OBJ_TAG_COMMIT,
749 f4a881ce 2018-11-17 stsp strlen(GOT_OBJ_TAG_COMMIT)) == 0) {
750 f4a881ce 2018-11-17 stsp (*tag)->obj_type = GOT_OBJ_TYPE_COMMIT;
751 f4a881ce 2018-11-17 stsp tlen = strlen(GOT_OBJ_TAG_COMMIT);
753 f4a881ce 2018-11-17 stsp remain -= tlen;
754 f4a881ce 2018-11-17 stsp } else if (strncmp(s, GOT_OBJ_TAG_TREE,
755 f4a881ce 2018-11-17 stsp strlen(GOT_OBJ_TAG_TREE)) == 0) {
756 f4a881ce 2018-11-17 stsp (*tag)->obj_type = GOT_OBJ_TYPE_TREE;
757 f4a881ce 2018-11-17 stsp tlen = strlen(GOT_OBJ_TAG_TREE);
759 f4a881ce 2018-11-17 stsp remain -= tlen;
760 f4a881ce 2018-11-17 stsp } else if (strncmp(s, GOT_OBJ_TAG_BLOB,
761 f4a881ce 2018-11-17 stsp strlen(GOT_OBJ_TAG_BLOB)) == 0) {
762 f4a881ce 2018-11-17 stsp (*tag)->obj_type = GOT_OBJ_TYPE_BLOB;
763 f4a881ce 2018-11-17 stsp tlen = strlen(GOT_OBJ_TAG_BLOB);
765 f4a881ce 2018-11-17 stsp remain -= tlen;
766 f4a881ce 2018-11-17 stsp } else if (strncmp(s, GOT_OBJ_TAG_TAG,
767 f4a881ce 2018-11-17 stsp strlen(GOT_OBJ_TAG_TAG)) == 0) {
768 f4a881ce 2018-11-17 stsp (*tag)->obj_type = GOT_OBJ_TYPE_TAG;
769 f4a881ce 2018-11-17 stsp tlen = strlen(GOT_OBJ_TAG_TAG);
771 f4a881ce 2018-11-17 stsp remain -= tlen;
773 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
777 f4a881ce 2018-11-17 stsp if (remain <= 0 || *s != '\n') {
778 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
783 f4a881ce 2018-11-17 stsp if (remain <= 0) {
784 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
788 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
792 f4a881ce 2018-11-17 stsp tlen = strlen(GOT_TAG_TAG_TAG);
793 f4a881ce 2018-11-17 stsp if (strncmp(s, GOT_TAG_TAG_TAG, tlen) == 0) {
795 f4a881ce 2018-11-17 stsp size_t slen;
796 f4a881ce 2018-11-17 stsp remain -= tlen;
797 f4a881ce 2018-11-17 stsp if (remain <= 0) {
798 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
802 f4a881ce 2018-11-17 stsp p = strchr(s, '\n');
803 f4a881ce 2018-11-17 stsp if (p == NULL) {
804 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
808 f4a881ce 2018-11-17 stsp slen = strlen(s);
809 f4a881ce 2018-11-17 stsp (*tag)->tag = strndup(s, slen);
810 f4a881ce 2018-11-17 stsp if ((*tag)->tag == NULL) {
811 f4a881ce 2018-11-17 stsp err = got_error_from_errno();
814 f4a881ce 2018-11-17 stsp s += slen + 1;
815 f4a881ce 2018-11-17 stsp remain -= slen + 1;
816 f4a881ce 2018-11-17 stsp if (remain <= 0) {
817 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
821 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
825 f4a881ce 2018-11-17 stsp tlen = strlen(GOT_TAG_TAG_TAGGER);
826 f4a881ce 2018-11-17 stsp if (strncmp(s, GOT_TAG_TAG_TAGGER, tlen) == 0) {
828 f4a881ce 2018-11-17 stsp size_t slen;
830 f4a881ce 2018-11-17 stsp remain -= tlen;
831 f4a881ce 2018-11-17 stsp if (remain <= 0) {
832 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
836 f4a881ce 2018-11-17 stsp p = strchr(s, '\n');
837 f4a881ce 2018-11-17 stsp if (p == NULL) {
838 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
842 f4a881ce 2018-11-17 stsp slen = strlen(s);
843 f4a881ce 2018-11-17 stsp err = parse_commit_time(&(*tag)->tagger_time,
844 f4a881ce 2018-11-17 stsp &(*tag)->tagger_gmtoff, s);
847 f4a881ce 2018-11-17 stsp (*tag)->tagger = strdup(s);
848 f4a881ce 2018-11-17 stsp if ((*tag)->tagger == NULL) {
849 f4a881ce 2018-11-17 stsp err = got_error_from_errno();
852 f4a881ce 2018-11-17 stsp s += slen + 1;
853 f4a881ce 2018-11-17 stsp remain -= slen + 1;
854 f4a881ce 2018-11-17 stsp if (remain <= 0) {
855 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
859 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
863 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = strndup(s, remain);
864 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
865 f4a881ce 2018-11-17 stsp err = got_error_from_errno();
870 f4a881ce 2018-11-17 stsp got_object_tag_close(*tag);
871 f4a881ce 2018-11-17 stsp *tag = NULL;
873 f4a881ce 2018-11-17 stsp return err;
876 f4a881ce 2018-11-17 stsp const struct got_error *
877 ad242220 2018-09-08 stsp got_read_file_to_mem(uint8_t **outbuf, size_t *outlen, FILE *f)
879 a440fac0 2018-09-06 stsp const struct got_error *err = NULL;
880 a440fac0 2018-09-06 stsp static const size_t blocksize = 512;
881 a440fac0 2018-09-06 stsp size_t n, total, remain;
882 a440fac0 2018-09-06 stsp uint8_t *buf;
884 a440fac0 2018-09-06 stsp *outbuf = NULL;
885 a440fac0 2018-09-06 stsp *outlen = 0;
887 a440fac0 2018-09-06 stsp buf = malloc(blocksize);
888 a440fac0 2018-09-06 stsp if (buf == NULL)
889 a440fac0 2018-09-06 stsp return got_error_from_errno();
891 a440fac0 2018-09-06 stsp remain = blocksize;
893 a440fac0 2018-09-06 stsp while (1) {
894 a440fac0 2018-09-06 stsp if (remain == 0) {
895 a440fac0 2018-09-06 stsp uint8_t *newbuf;
896 a440fac0 2018-09-06 stsp newbuf = reallocarray(buf, 1, total + blocksize);
897 a440fac0 2018-09-06 stsp if (newbuf == NULL) {
898 a440fac0 2018-09-06 stsp err = got_error_from_errno();
901 a440fac0 2018-09-06 stsp buf = newbuf;
902 a440fac0 2018-09-06 stsp remain += blocksize;
904 a440fac0 2018-09-06 stsp n = fread(buf + total, 1, remain, f);
905 a440fac0 2018-09-06 stsp if (n == 0) {
906 a440fac0 2018-09-06 stsp if (ferror(f)) {
907 a440fac0 2018-09-06 stsp err = got_ferror(f, GOT_ERR_IO);
910 a440fac0 2018-09-06 stsp break; /* EOF */
912 a440fac0 2018-09-06 stsp remain -= n;
913 a440fac0 2018-09-06 stsp total += n;
917 a440fac0 2018-09-06 stsp if (err == NULL) {
918 a440fac0 2018-09-06 stsp *outbuf = buf;
919 a440fac0 2018-09-06 stsp *outlen = total;
922 ad242220 2018-09-08 stsp return err;
