2 5aa81393 2020-01-06 stsp * Copyright (c) 2018, 2019, 2020 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 f8b19efd 2021-10-13 stsp #include <sys/tree.h>
21 a440fac0 2018-09-06 stsp #include <sys/uio.h>
22 a440fac0 2018-09-06 stsp #include <sys/socket.h>
23 a440fac0 2018-09-06 stsp #include <sys/wait.h>
24 64a8571e 2022-01-07 stsp #include <sys/mman.h>
26 a440fac0 2018-09-06 stsp #include <errno.h>
27 a440fac0 2018-09-06 stsp #include <stdio.h>
28 a440fac0 2018-09-06 stsp #include <stdlib.h>
29 a440fac0 2018-09-06 stsp #include <string.h>
30 a440fac0 2018-09-06 stsp #include <stdint.h>
31 a440fac0 2018-09-06 stsp #include <sha1.h>
32 a440fac0 2018-09-06 stsp #include <zlib.h>
33 a440fac0 2018-09-06 stsp #include <ctype.h>
34 a440fac0 2018-09-06 stsp #include <limits.h>
35 a440fac0 2018-09-06 stsp #include <imsg.h>
36 a440fac0 2018-09-06 stsp #include <time.h>
37 ad242220 2018-09-08 stsp #include <unistd.h>
39 a440fac0 2018-09-06 stsp #include "got_error.h"
40 a440fac0 2018-09-06 stsp #include "got_object.h"
41 a440fac0 2018-09-06 stsp #include "got_repository.h"
42 a440fac0 2018-09-06 stsp #include "got_opentemp.h"
43 324d37e7 2019-05-11 stsp #include "got_path.h"
45 a440fac0 2018-09-06 stsp #include "got_lib_sha1.h"
46 a440fac0 2018-09-06 stsp #include "got_lib_delta.h"
47 41fa1437 2018-11-05 stsp #include "got_lib_inflate.h"
48 41fa1437 2018-11-05 stsp #include "got_lib_object.h"
49 3022d272 2019-11-14 stsp #include "got_lib_object_parse.h"
50 6bef87be 2018-09-11 stsp #include "got_lib_object_cache.h"
51 15a94983 2018-12-23 stsp #include "got_lib_pack.h"
52 15a94983 2018-12-23 stsp #include "got_lib_privsep.h"
53 ad242220 2018-09-08 stsp #include "got_lib_repository.h"
55 a440fac0 2018-09-06 stsp #ifndef nitems
56 a440fac0 2018-09-06 stsp #define nitems(_a) (sizeof(_a) / sizeof((_a)[0]))
59 ca6e02ac 2020-01-07 stsp struct got_object_id *
60 ca6e02ac 2020-01-07 stsp got_object_id_dup(struct got_object_id *id1)
62 ca6e02ac 2020-01-07 stsp struct got_object_id *id2;
64 ca6e02ac 2020-01-07 stsp id2 = malloc(sizeof(*id2));
65 ca6e02ac 2020-01-07 stsp if (id2 == NULL)
66 ca6e02ac 2020-01-07 stsp return NULL;
67 ca6e02ac 2020-01-07 stsp memcpy(id2, id1, sizeof(*id2));
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 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
87 5df4932d 2018-11-05 stsp (*qid)->id = malloc(sizeof(*((*qid)->id)));
88 5df4932d 2018-11-05 stsp if ((*qid)->id == NULL) {
89 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
90 5df4932d 2018-11-05 stsp got_object_qid_free(*qid);
91 5df4932d 2018-11-05 stsp *qid = NULL;
94 74a2356f 2021-06-18 stsp (*qid)->data = 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 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
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 dbdddfee 2021-06-23 naddy while (!STAILQ_EMPTY(&obj->deltas.entries)) {
129 dbdddfee 2021-06-23 naddy delta = STAILQ_FIRST(&obj->deltas.entries);
130 dbdddfee 2021-06-23 naddy STAILQ_REMOVE_HEAD(&obj->deltas.entries, entry);
131 2256993b 2019-07-15 stsp free(delta);
137 d3c116bf 2021-10-15 stsp const struct got_error *
138 d3c116bf 2021-10-15 stsp got_object_raw_close(struct got_raw_object *obj)
140 d3c116bf 2021-10-15 stsp const struct got_error *err = NULL;
142 d3c116bf 2021-10-15 stsp if (obj->refcnt > 0) {
143 d3c116bf 2021-10-15 stsp obj->refcnt--;
144 d3c116bf 2021-10-15 stsp if (obj->refcnt > 0)
145 d3c116bf 2021-10-15 stsp return NULL;
148 64a8571e 2022-01-07 stsp if (obj->f == NULL) {
149 64a8571e 2022-01-07 stsp if (obj->fd != -1) {
150 64a8571e 2022-01-07 stsp if (munmap(obj->data, obj->hdrlen + obj->size) == -1)
151 64a8571e 2022-01-07 stsp err = got_error_from_errno("munmap");
152 64a8571e 2022-01-07 stsp if (close(obj->fd) == -1 && err == NULL)
153 64a8571e 2022-01-07 stsp err = got_error_from_errno("close");
155 64a8571e 2022-01-07 stsp free(obj->data);
157 64a8571e 2022-01-07 stsp if (fclose(obj->f) == EOF && err == NULL)
158 64a8571e 2022-01-07 stsp err = got_error_from_errno("fclose");
161 d3c116bf 2021-10-15 stsp return err;
165 03fa71c8 2018-09-06 stsp got_object_qid_free(struct got_object_qid *qid)
167 03fa71c8 2018-09-06 stsp free(qid->id);
172 dd88155e 2019-06-29 stsp got_object_id_queue_free(struct got_object_id_queue *ids)
174 dd88155e 2019-06-29 stsp struct got_object_qid *qid;
176 dbdddfee 2021-06-23 naddy while (!STAILQ_EMPTY(ids)) {
177 dbdddfee 2021-06-23 naddy qid = STAILQ_FIRST(ids);
178 dbdddfee 2021-06-23 naddy STAILQ_REMOVE_HEAD(ids, entry);
179 dd88155e 2019-06-29 stsp got_object_qid_free(qid);
183 1785f84a 2018-12-23 stsp const struct got_error *
184 1785f84a 2018-12-23 stsp got_object_parse_header(struct got_object **obj, char *buf, size_t len)
186 ff2a4428 2019-03-19 stsp const char *obj_labels[] = {
187 ff2a4428 2019-03-19 stsp GOT_OBJ_LABEL_COMMIT,
188 ff2a4428 2019-03-19 stsp GOT_OBJ_LABEL_TREE,
189 ff2a4428 2019-03-19 stsp GOT_OBJ_LABEL_BLOB,
190 ff2a4428 2019-03-19 stsp GOT_OBJ_LABEL_TAG,
192 1785f84a 2018-12-23 stsp const int obj_types[] = {
193 1785f84a 2018-12-23 stsp GOT_OBJ_TYPE_COMMIT,
194 1785f84a 2018-12-23 stsp GOT_OBJ_TYPE_TREE,
195 1785f84a 2018-12-23 stsp GOT_OBJ_TYPE_BLOB,
196 1785f84a 2018-12-23 stsp GOT_OBJ_TYPE_TAG,
198 1785f84a 2018-12-23 stsp int type = 0;
199 c7b17232 2022-01-28 stsp size_t size = 0;
203 1785f84a 2018-12-23 stsp *obj = NULL;
205 c7b17232 2022-01-28 stsp end = memchr(buf, '\0', len);
206 c7b17232 2022-01-28 stsp if (end == NULL)
207 9ef4ac16 2019-04-13 stsp return got_error(GOT_ERR_BAD_OBJ_HDR);
209 ff2a4428 2019-03-19 stsp for (i = 0; i < nitems(obj_labels); i++) {
210 ff2a4428 2019-03-19 stsp const char *label = obj_labels[i];
211 ff2a4428 2019-03-19 stsp size_t label_len = strlen(label);
212 1785f84a 2018-12-23 stsp const char *errstr;
214 c7b17232 2022-01-28 stsp if (len <= label_len || buf + label_len >= end ||
215 c7b17232 2022-01-28 stsp strncmp(buf, label, label_len) != 0)
218 1785f84a 2018-12-23 stsp type = obj_types[i];
219 ff2a4428 2019-03-19 stsp size = strtonum(buf + label_len, 0, LONG_MAX, &errstr);
220 1785f84a 2018-12-23 stsp if (errstr != NULL)
221 1785f84a 2018-12-23 stsp return got_error(GOT_ERR_BAD_OBJ_HDR);
225 1785f84a 2018-12-23 stsp if (type == 0)
226 1785f84a 2018-12-23 stsp return got_error(GOT_ERR_BAD_OBJ_HDR);
228 1785f84a 2018-12-23 stsp *obj = calloc(1, sizeof(**obj));
229 1785f84a 2018-12-23 stsp if (*obj == NULL)
230 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
231 1785f84a 2018-12-23 stsp (*obj)->type = type;
232 c7b17232 2022-01-28 stsp (*obj)->hdrlen = end - buf + 1;
233 1785f84a 2018-12-23 stsp (*obj)->size = size;
234 1785f84a 2018-12-23 stsp return NULL;
237 1785f84a 2018-12-23 stsp const struct got_error *
238 1785f84a 2018-12-23 stsp got_object_read_header(struct got_object **obj, int fd)
240 1785f84a 2018-12-23 stsp const struct got_error *err;
241 23bc48a9 2019-03-19 stsp struct got_inflate_buf zb;
242 31e61ec1 2021-09-28 naddy uint8_t *buf;
243 1785f84a 2018-12-23 stsp const size_t zbsize = 64;
244 1785f84a 2018-12-23 stsp size_t outlen, totlen;
245 1785f84a 2018-12-23 stsp int nbuf = 1;
247 1785f84a 2018-12-23 stsp *obj = NULL;
249 1785f84a 2018-12-23 stsp buf = malloc(zbsize);
250 1785f84a 2018-12-23 stsp if (buf == NULL)
251 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
252 c7b17232 2022-01-28 stsp buf[0] = '\0';
254 1e87a3c3 2020-03-18 stsp err = got_inflate_init(&zb, buf, zbsize, NULL);
256 1785f84a 2018-12-23 stsp return err;
258 1785f84a 2018-12-23 stsp totlen = 0;
260 3ab5e33c 2020-03-18 stsp err = got_inflate_read_fd(&zb, fd, &outlen, NULL);
263 1785f84a 2018-12-23 stsp if (outlen == 0)
265 1785f84a 2018-12-23 stsp totlen += outlen;
266 dedbbd9d 2019-04-13 stsp if (memchr(zb.outbuf, '\0', outlen) == NULL) {
267 31e61ec1 2021-09-28 naddy uint8_t *newbuf;
269 1785f84a 2018-12-23 stsp newbuf = recallocarray(buf, nbuf - 1, nbuf, zbsize);
270 1785f84a 2018-12-23 stsp if (newbuf == NULL) {
271 638f9024 2019-05-13 stsp err = got_error_from_errno("recallocarray");
274 1785f84a 2018-12-23 stsp buf = newbuf;
275 1785f84a 2018-12-23 stsp zb.outbuf = newbuf + totlen;
276 1785f84a 2018-12-23 stsp zb.outlen = (nbuf * zbsize) - totlen;
278 dedbbd9d 2019-04-13 stsp } while (memchr(zb.outbuf, '\0', outlen) == NULL);
280 1785f84a 2018-12-23 stsp err = got_object_parse_header(obj, buf, totlen);
283 1785f84a 2018-12-23 stsp got_inflate_end(&zb);
284 1785f84a 2018-12-23 stsp return err;
287 a440fac0 2018-09-06 stsp struct got_commit_object *
288 a440fac0 2018-09-06 stsp got_object_commit_alloc_partial(void)
290 a440fac0 2018-09-06 stsp struct got_commit_object *commit;
292 a440fac0 2018-09-06 stsp commit = calloc(1, sizeof(*commit));
293 a440fac0 2018-09-06 stsp if (commit == NULL)
294 a440fac0 2018-09-06 stsp return NULL;
295 acf0c7c6 2018-11-05 stsp commit->tree_id = malloc(sizeof(*commit->tree_id));
296 a440fac0 2018-09-06 stsp if (commit->tree_id == NULL) {
297 a440fac0 2018-09-06 stsp free(commit);
298 a440fac0 2018-09-06 stsp return NULL;
301 dbdddfee 2021-06-23 naddy STAILQ_INIT(&commit->parent_ids);
303 a440fac0 2018-09-06 stsp return commit;
306 a440fac0 2018-09-06 stsp const struct got_error *
307 a440fac0 2018-09-06 stsp got_object_commit_add_parent(struct got_commit_object *commit,
308 a440fac0 2018-09-06 stsp const char *id_str)
310 a440fac0 2018-09-06 stsp const struct got_error *err = NULL;
311 a440fac0 2018-09-06 stsp struct got_object_qid *qid;
313 5df4932d 2018-11-05 stsp err = got_object_qid_alloc_partial(&qid);
315 7762fe12 2018-11-05 stsp return err;
317 a440fac0 2018-09-06 stsp if (!got_parse_sha1_digest(qid->id->sha1, id_str)) {
318 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
319 00eb6a1f 2019-07-15 stsp got_object_qid_free(qid);
320 a440fac0 2018-09-06 stsp return err;
323 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(&commit->parent_ids, qid, entry);
324 a440fac0 2018-09-06 stsp commit->nparents++;
326 a440fac0 2018-09-06 stsp return NULL;
329 a440fac0 2018-09-06 stsp static const struct got_error *
330 a440fac0 2018-09-06 stsp parse_gmtoff(time_t *gmtoff, const char *tzstr)
332 a440fac0 2018-09-06 stsp int sign = 1;
333 a440fac0 2018-09-06 stsp const char *p = tzstr;
334 a440fac0 2018-09-06 stsp time_t h, m;
336 a440fac0 2018-09-06 stsp *gmtoff = 0;
338 a440fac0 2018-09-06 stsp if (*p == '-')
340 a440fac0 2018-09-06 stsp else if (*p != '+')
341 a440fac0 2018-09-06 stsp return got_error(GOT_ERR_BAD_OBJ_DATA);
343 a440fac0 2018-09-06 stsp if (!isdigit(*p) && !isdigit(*(p + 1)))
344 a440fac0 2018-09-06 stsp return got_error(GOT_ERR_BAD_OBJ_DATA);
345 a440fac0 2018-09-06 stsp h = (((*p - '0') * 10) + (*(p + 1) - '0'));
348 a440fac0 2018-09-06 stsp if (!isdigit(*p) && !isdigit(*(p + 1)))
349 a440fac0 2018-09-06 stsp return got_error(GOT_ERR_BAD_OBJ_DATA);
350 a440fac0 2018-09-06 stsp m = ((*p - '0') * 10) + (*(p + 1) - '0');
352 a440fac0 2018-09-06 stsp *gmtoff = (h * 60 * 60 + m * 60) * sign;
353 a440fac0 2018-09-06 stsp return NULL;
356 a440fac0 2018-09-06 stsp static const struct got_error *
357 ccb26ccd 2018-11-05 stsp parse_commit_time(time_t *time, time_t *gmtoff, char *committer)
359 a440fac0 2018-09-06 stsp const struct got_error *err = NULL;
360 a440fac0 2018-09-06 stsp const char *errstr;
361 a440fac0 2018-09-06 stsp char *space, *tzstr;
363 a440fac0 2018-09-06 stsp /* Parse and strip off trailing timezone indicator string. */
364 a440fac0 2018-09-06 stsp space = strrchr(committer, ' ');
365 a440fac0 2018-09-06 stsp if (space == NULL)
366 a440fac0 2018-09-06 stsp return got_error(GOT_ERR_BAD_OBJ_DATA);
367 a440fac0 2018-09-06 stsp tzstr = strdup(space + 1);
368 a440fac0 2018-09-06 stsp if (tzstr == NULL)
369 638f9024 2019-05-13 stsp return got_error_from_errno("strdup");
370 ccb26ccd 2018-11-05 stsp err = parse_gmtoff(gmtoff, tzstr);
371 a440fac0 2018-09-06 stsp free(tzstr);
373 9dbd8627 2021-02-04 stsp if (err->code != GOT_ERR_BAD_OBJ_DATA)
374 9dbd8627 2021-02-04 stsp return err;
375 9dbd8627 2021-02-04 stsp /* Old versions of Git omitted the timestamp. */
377 9dbd8627 2021-02-04 stsp *gmtoff = 0;
378 9dbd8627 2021-02-04 stsp return NULL;
380 a440fac0 2018-09-06 stsp *space = '\0';
382 a440fac0 2018-09-06 stsp /* Timestamp is separated from committer name + email by space. */
383 a440fac0 2018-09-06 stsp space = strrchr(committer, ' ');
384 a440fac0 2018-09-06 stsp if (space == NULL)
385 a440fac0 2018-09-06 stsp return got_error(GOT_ERR_BAD_OBJ_DATA);
387 09867e48 2019-08-13 stsp /* Timestamp parsed here is expressed as UNIX timestamp (UTC). */
388 ccb26ccd 2018-11-05 stsp *time = strtonum(space + 1, 0, INT64_MAX, &errstr);
389 a440fac0 2018-09-06 stsp if (errstr)
390 a440fac0 2018-09-06 stsp return got_error(GOT_ERR_BAD_OBJ_DATA);
392 a440fac0 2018-09-06 stsp /* Strip off parsed time information, leaving just author and email. */
393 a440fac0 2018-09-06 stsp *space = '\0';
395 a440fac0 2018-09-06 stsp return NULL;
399 03fa71c8 2018-09-06 stsp got_object_commit_close(struct got_commit_object *commit)
401 03fa71c8 2018-09-06 stsp if (commit->refcnt > 0) {
402 03fa71c8 2018-09-06 stsp commit->refcnt--;
403 03fa71c8 2018-09-06 stsp if (commit->refcnt > 0)
407 dd88155e 2019-06-29 stsp got_object_id_queue_free(&commit->parent_ids);
408 03fa71c8 2018-09-06 stsp free(commit->tree_id);
409 03fa71c8 2018-09-06 stsp free(commit->author);
410 03fa71c8 2018-09-06 stsp free(commit->committer);
411 03fa71c8 2018-09-06 stsp free(commit->logmsg);
412 03fa71c8 2018-09-06 stsp free(commit);
415 45d799e2 2018-12-23 stsp struct got_object_id *
416 45d799e2 2018-12-23 stsp got_object_commit_get_tree_id(struct got_commit_object *commit)
418 45d799e2 2018-12-23 stsp return commit->tree_id;
422 45d799e2 2018-12-23 stsp got_object_commit_get_nparents(struct got_commit_object *commit)
424 45d799e2 2018-12-23 stsp return commit->nparents;
427 45d799e2 2018-12-23 stsp const struct got_object_id_queue *
428 45d799e2 2018-12-23 stsp got_object_commit_get_parent_ids(struct got_commit_object *commit)
430 45d799e2 2018-12-23 stsp return &commit->parent_ids;
433 45d799e2 2018-12-23 stsp const char *
434 45d799e2 2018-12-23 stsp got_object_commit_get_author(struct got_commit_object *commit)
436 45d799e2 2018-12-23 stsp return commit->author;
440 45d799e2 2018-12-23 stsp got_object_commit_get_author_time(struct got_commit_object *commit)
442 45d799e2 2018-12-23 stsp return commit->author_time;
445 45d799e2 2018-12-23 stsp time_t got_object_commit_get_author_gmtoff(struct got_commit_object *commit)
447 45d799e2 2018-12-23 stsp return commit->author_gmtoff;
450 45d799e2 2018-12-23 stsp const char *
451 45d799e2 2018-12-23 stsp got_object_commit_get_committer(struct got_commit_object *commit)
453 45d799e2 2018-12-23 stsp return commit->committer;
457 45d799e2 2018-12-23 stsp got_object_commit_get_committer_time(struct got_commit_object *commit)
459 45d799e2 2018-12-23 stsp return commit->committer_time;
463 45d799e2 2018-12-23 stsp got_object_commit_get_committer_gmtoff(struct got_commit_object *commit)
465 45d799e2 2018-12-23 stsp return commit->committer_gmtoff;
468 5943eee2 2019-08-13 stsp const struct got_error *
469 5943eee2 2019-08-13 stsp got_object_commit_get_logmsg(char **logmsg, struct got_commit_object *commit)
471 5943eee2 2019-08-13 stsp const struct got_error *err = NULL;
472 b9c41b54 2021-08-03 stsp const char *src;
474 5943eee2 2019-08-13 stsp size_t len;
476 b9c41b54 2021-08-03 stsp len = strlen(commit->logmsg);
477 b9c41b54 2021-08-03 stsp *logmsg = malloc(len + 2); /* leave room for a trailing \n and \0 */
478 b9c41b54 2021-08-03 stsp if (*logmsg == NULL)
479 b9c41b54 2021-08-03 stsp return got_error_from_errno("malloc");
482 b9c41b54 2021-08-03 stsp * Strip out unusual headers. Headers are separated from the commit
483 b9c41b54 2021-08-03 stsp * message body by a single empty line.
485 b9c41b54 2021-08-03 stsp src = commit->logmsg;
486 b9c41b54 2021-08-03 stsp dst = *logmsg;
487 b9c41b54 2021-08-03 stsp while (*src != '\0' && *src != '\n') {
488 b9c41b54 2021-08-03 stsp int copy_header = 1, eol = 0;
489 b9c41b54 2021-08-03 stsp if (strncmp(src, GOT_COMMIT_LABEL_TREE,
490 b9c41b54 2021-08-03 stsp strlen(GOT_COMMIT_LABEL_TREE)) != 0 &&
491 b9c41b54 2021-08-03 stsp strncmp(src, GOT_COMMIT_LABEL_AUTHOR,
492 b9c41b54 2021-08-03 stsp strlen(GOT_COMMIT_LABEL_AUTHOR)) != 0 &&
493 b9c41b54 2021-08-03 stsp strncmp(src, GOT_COMMIT_LABEL_PARENT,
494 b9c41b54 2021-08-03 stsp strlen(GOT_COMMIT_LABEL_PARENT)) != 0 &&
495 b9c41b54 2021-08-03 stsp strncmp(src, GOT_COMMIT_LABEL_COMMITTER,
496 b9c41b54 2021-08-03 stsp strlen(GOT_COMMIT_LABEL_COMMITTER)) != 0)
497 b9c41b54 2021-08-03 stsp copy_header = 0;
499 b9c41b54 2021-08-03 stsp while (*src != '\0' && !eol) {
500 b9c41b54 2021-08-03 stsp if (copy_header) {
501 b9c41b54 2021-08-03 stsp *dst = *src;
504 b9c41b54 2021-08-03 stsp if (*src == '\n')
509 b9c41b54 2021-08-03 stsp *dst = '\0';
511 b9c41b54 2021-08-03 stsp if (strlcat(*logmsg, src, len + 1) >= len + 1) {
512 b9c41b54 2021-08-03 stsp err = got_error(GOT_ERR_NO_SPACE);
516 5943eee2 2019-08-13 stsp /* Trim redundant trailing whitespace. */
517 5943eee2 2019-08-13 stsp len = strlen(*logmsg);
518 5943eee2 2019-08-13 stsp while (len > 1 && isspace((unsigned char)(*logmsg)[len - 2]) &&
519 5943eee2 2019-08-13 stsp isspace((unsigned char)(*logmsg)[len - 1])) {
520 5943eee2 2019-08-13 stsp (*logmsg)[len - 1] = '\0';
524 b9c41b54 2021-08-03 stsp /* Append a trailing newline if missing. */
525 b9c41b54 2021-08-03 stsp if (len > 0 && (*logmsg)[len - 1] != '\n') {
526 b9c41b54 2021-08-03 stsp (*logmsg)[len] = '\n';
527 b9c41b54 2021-08-03 stsp (*logmsg)[len + 1] = '\0';
531 5943eee2 2019-08-13 stsp free(*logmsg);
532 5943eee2 2019-08-13 stsp *logmsg = NULL;
534 5943eee2 2019-08-13 stsp return err;
537 24ea5512 2019-08-22 stsp const char *
538 24ea5512 2019-08-22 stsp got_object_commit_get_logmsg_raw(struct got_commit_object *commit)
540 24ea5512 2019-08-22 stsp return commit->logmsg;
543 a440fac0 2018-09-06 stsp const struct got_error *
544 5e0b25c4 2018-12-24 stsp got_object_parse_commit(struct got_commit_object **commit, char *buf,
545 5e0b25c4 2018-12-24 stsp size_t len)
547 a440fac0 2018-09-06 stsp const struct got_error *err = NULL;
548 a440fac0 2018-09-06 stsp char *s = buf;
549 ff2a4428 2019-03-19 stsp size_t label_len;
550 a440fac0 2018-09-06 stsp ssize_t remain = (ssize_t)len;
552 4793d91b 2019-09-22 stsp if (remain == 0)
553 4793d91b 2019-09-22 stsp return got_error(GOT_ERR_BAD_OBJ_DATA);
555 a440fac0 2018-09-06 stsp *commit = got_object_commit_alloc_partial();
556 a440fac0 2018-09-06 stsp if (*commit == NULL)
557 638f9024 2019-05-13 stsp return got_error_from_errno("got_object_commit_alloc_partial");
559 ff2a4428 2019-03-19 stsp label_len = strlen(GOT_COMMIT_LABEL_TREE);
560 ff2a4428 2019-03-19 stsp if (strncmp(s, GOT_COMMIT_LABEL_TREE, label_len) == 0) {
561 ff2a4428 2019-03-19 stsp remain -= label_len;
562 a440fac0 2018-09-06 stsp if (remain < SHA1_DIGEST_STRING_LENGTH) {
563 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
566 ff2a4428 2019-03-19 stsp s += label_len;
567 a440fac0 2018-09-06 stsp if (!got_parse_sha1_digest((*commit)->tree_id->sha1, s)) {
568 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
571 a440fac0 2018-09-06 stsp remain -= SHA1_DIGEST_STRING_LENGTH;
572 a440fac0 2018-09-06 stsp s += SHA1_DIGEST_STRING_LENGTH;
574 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
578 ff2a4428 2019-03-19 stsp label_len = strlen(GOT_COMMIT_LABEL_PARENT);
579 ff2a4428 2019-03-19 stsp while (strncmp(s, GOT_COMMIT_LABEL_PARENT, label_len) == 0) {
580 ff2a4428 2019-03-19 stsp remain -= label_len;
581 a440fac0 2018-09-06 stsp if (remain < SHA1_DIGEST_STRING_LENGTH) {
582 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
585 ff2a4428 2019-03-19 stsp s += label_len;
586 a440fac0 2018-09-06 stsp err = got_object_commit_add_parent(*commit, s);
590 a440fac0 2018-09-06 stsp remain -= SHA1_DIGEST_STRING_LENGTH;
591 a440fac0 2018-09-06 stsp s += SHA1_DIGEST_STRING_LENGTH;
594 ff2a4428 2019-03-19 stsp label_len = strlen(GOT_COMMIT_LABEL_AUTHOR);
595 ff2a4428 2019-03-19 stsp if (strncmp(s, GOT_COMMIT_LABEL_AUTHOR, label_len) == 0) {
597 a440fac0 2018-09-06 stsp size_t slen;
599 ff2a4428 2019-03-19 stsp remain -= label_len;
600 a440fac0 2018-09-06 stsp if (remain <= 0) {
601 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
604 ff2a4428 2019-03-19 stsp s += label_len;
605 dedbbd9d 2019-04-13 stsp p = memchr(s, '\n', remain);
606 a440fac0 2018-09-06 stsp if (p == NULL) {
607 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
611 a440fac0 2018-09-06 stsp slen = strlen(s);
612 ccb26ccd 2018-11-05 stsp err = parse_commit_time(&(*commit)->author_time,
613 ccb26ccd 2018-11-05 stsp &(*commit)->author_gmtoff, s);
616 a440fac0 2018-09-06 stsp (*commit)->author = strdup(s);
617 a440fac0 2018-09-06 stsp if ((*commit)->author == NULL) {
618 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
621 a440fac0 2018-09-06 stsp s += slen + 1;
622 a440fac0 2018-09-06 stsp remain -= slen + 1;
625 ff2a4428 2019-03-19 stsp label_len = strlen(GOT_COMMIT_LABEL_COMMITTER);
626 ff2a4428 2019-03-19 stsp if (strncmp(s, GOT_COMMIT_LABEL_COMMITTER, label_len) == 0) {
628 a440fac0 2018-09-06 stsp size_t slen;
630 ff2a4428 2019-03-19 stsp remain -= label_len;
631 a440fac0 2018-09-06 stsp if (remain <= 0) {
632 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
635 ff2a4428 2019-03-19 stsp s += label_len;
636 dedbbd9d 2019-04-13 stsp p = memchr(s, '\n', remain);
637 a440fac0 2018-09-06 stsp if (p == NULL) {
638 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
642 a440fac0 2018-09-06 stsp slen = strlen(s);
643 ccb26ccd 2018-11-05 stsp err = parse_commit_time(&(*commit)->committer_time,
644 ccb26ccd 2018-11-05 stsp &(*commit)->committer_gmtoff, s);
647 a440fac0 2018-09-06 stsp (*commit)->committer = strdup(s);
648 a440fac0 2018-09-06 stsp if ((*commit)->committer == NULL) {
649 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
652 a440fac0 2018-09-06 stsp s += slen + 1;
653 a440fac0 2018-09-06 stsp remain -= slen + 1;
656 a440fac0 2018-09-06 stsp (*commit)->logmsg = strndup(s, remain);
657 a440fac0 2018-09-06 stsp if ((*commit)->logmsg == NULL) {
658 638f9024 2019-05-13 stsp err = got_error_from_errno("strndup");
663 a440fac0 2018-09-06 stsp got_object_commit_close(*commit);
664 a440fac0 2018-09-06 stsp *commit = NULL;
666 a440fac0 2018-09-06 stsp return err;
670 ed175427 2019-05-09 stsp got_object_tree_close(struct got_tree_object *tree)
672 03fa71c8 2018-09-06 stsp if (tree->refcnt > 0) {
673 03fa71c8 2018-09-06 stsp tree->refcnt--;
674 03fa71c8 2018-09-06 stsp if (tree->refcnt > 0)
678 56e0773d 2019-11-28 stsp free(tree->entries);
679 03fa71c8 2018-09-06 stsp free(tree);
682 a440fac0 2018-09-06 stsp static const struct got_error *
683 3022d272 2019-11-14 stsp parse_tree_entry(struct got_parsed_tree_entry **pte, const char **name,
684 3022d272 2019-11-14 stsp size_t *elen, char *buf,
685 a440fac0 2018-09-06 stsp size_t maxlen)
687 8914529d 2019-04-13 stsp char *p, *space;
688 a440fac0 2018-09-06 stsp const struct got_error *err = NULL;
690 3022d272 2019-11-14 stsp *name = NULL;
693 3022d272 2019-11-14 stsp *pte = malloc(sizeof(**pte));
694 3022d272 2019-11-14 stsp if (*pte == NULL)
695 3022d272 2019-11-14 stsp return got_error_from_errno("malloc");
697 9ef4ac16 2019-04-13 stsp *elen = strnlen(buf, maxlen) + 1;
698 a440fac0 2018-09-06 stsp if (*elen > maxlen) {
699 3022d272 2019-11-14 stsp free(*pte);
700 3022d272 2019-11-14 stsp *pte = NULL;
701 a440fac0 2018-09-06 stsp return got_error(GOT_ERR_BAD_OBJ_DATA);
704 dedbbd9d 2019-04-13 stsp space = memchr(buf, ' ', *elen);
705 8914529d 2019-04-13 stsp if (space == NULL || space <= buf) {
706 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
707 3022d272 2019-11-14 stsp free(*pte);
708 3022d272 2019-11-14 stsp *pte = NULL;
709 a440fac0 2018-09-06 stsp return err;
711 3022d272 2019-11-14 stsp (*pte)->mode = 0;
713 8914529d 2019-04-13 stsp while (p < space) {
714 a440fac0 2018-09-06 stsp if (*p < '0' && *p > '7') {
715 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
718 3022d272 2019-11-14 stsp (*pte)->mode <<= 3;
719 3022d272 2019-11-14 stsp (*pte)->mode |= *p - '0';
723 a440fac0 2018-09-06 stsp if (*elen > maxlen || maxlen - *elen < SHA1_DIGEST_LENGTH) {
724 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
727 3022d272 2019-11-14 stsp *name = space + 1;
728 68bf1b1e 2018-11-07 stsp buf += *elen;
729 3022d272 2019-11-14 stsp (*pte)->id = buf;
730 a440fac0 2018-09-06 stsp *elen += SHA1_DIGEST_LENGTH;
733 3022d272 2019-11-14 stsp free(*pte);
734 3022d272 2019-11-14 stsp *pte = NULL;
736 a440fac0 2018-09-06 stsp return err;
739 a440fac0 2018-09-06 stsp const struct got_error *
740 3022d272 2019-11-14 stsp got_object_parse_tree(struct got_pathlist_head *entries, int *nentries,
741 3022d272 2019-11-14 stsp uint8_t *buf, size_t len)
743 3022d272 2019-11-14 stsp const struct got_error *err = NULL;
744 a440fac0 2018-09-06 stsp size_t remain = len;
746 3022d272 2019-11-14 stsp *nentries = 0;
747 db1d3576 2019-10-04 stsp if (remain == 0)
748 db1d3576 2019-10-04 stsp return NULL; /* tree is empty */
750 a440fac0 2018-09-06 stsp while (remain > 0) {
751 3022d272 2019-11-14 stsp struct got_parsed_tree_entry *pte;
752 f5d3d7af 2019-02-05 stsp struct got_pathlist_entry *new = NULL;
753 3022d272 2019-11-14 stsp const char *name;
754 a440fac0 2018-09-06 stsp size_t elen;
756 3022d272 2019-11-14 stsp err = parse_tree_entry(&pte, &name, &elen, buf, remain);
759 3022d272 2019-11-14 stsp err = got_pathlist_insert(&new, entries, name, pte);
762 f5d3d7af 2019-02-05 stsp if (new == NULL) {
763 f5d3d7af 2019-02-05 stsp err = got_error(GOT_ERR_TREE_DUP_ENTRY);
766 a440fac0 2018-09-06 stsp buf += elen;
767 a440fac0 2018-09-06 stsp remain -= elen;
768 3022d272 2019-11-14 stsp (*nentries)++;
771 a440fac0 2018-09-06 stsp if (remain != 0) {
772 f5d3d7af 2019-02-05 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
777 b87b4170 2020-01-06 stsp got_object_parsed_tree_entries_free(entries);
778 3022d272 2019-11-14 stsp *nentries = 0;
780 f5d3d7af 2019-02-05 stsp return err;
784 b87b4170 2020-01-06 stsp got_object_parsed_tree_entries_free(struct got_pathlist_head *entries)
786 b64b1f95 2020-01-06 stsp struct got_pathlist_entry *pe;
788 b64b1f95 2020-01-06 stsp TAILQ_FOREACH(pe, entries, entry) {
789 b64b1f95 2020-01-06 stsp struct got_parsed_tree_entry *pte = pe->data;
792 b64b1f95 2020-01-06 stsp got_pathlist_free(entries);
796 f4a881ce 2018-11-17 stsp got_object_tag_close(struct got_tag_object *tag)
798 ca0d469c 2019-08-13 stsp if (tag->refcnt > 0) {
799 ca0d469c 2019-08-13 stsp tag->refcnt--;
800 ca0d469c 2019-08-13 stsp if (tag->refcnt > 0)
804 f4a881ce 2018-11-17 stsp free(tag->tag);
805 f4a881ce 2018-11-17 stsp free(tag->tagger);
806 f4a881ce 2018-11-17 stsp free(tag->tagmsg);
810 ad242220 2018-09-08 stsp const struct got_error *
811 f4a881ce 2018-11-17 stsp got_object_parse_tag(struct got_tag_object **tag, uint8_t *buf, size_t len)
813 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
814 f4a881ce 2018-11-17 stsp size_t remain = len;
815 f4a881ce 2018-11-17 stsp char *s = buf;
816 ff2a4428 2019-03-19 stsp size_t label_len;
818 4793d91b 2019-09-22 stsp if (remain == 0)
819 4793d91b 2019-09-22 stsp return got_error(GOT_ERR_BAD_OBJ_DATA);
821 f4a881ce 2018-11-17 stsp *tag = calloc(1, sizeof(**tag));
822 f4a881ce 2018-11-17 stsp if (*tag == NULL)
823 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
825 ff2a4428 2019-03-19 stsp label_len = strlen(GOT_TAG_LABEL_OBJECT);
826 ff2a4428 2019-03-19 stsp if (strncmp(s, GOT_TAG_LABEL_OBJECT, label_len) == 0) {
827 ff2a4428 2019-03-19 stsp remain -= label_len;
828 f4a881ce 2018-11-17 stsp if (remain < SHA1_DIGEST_STRING_LENGTH) {
829 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
832 ff2a4428 2019-03-19 stsp s += label_len;
833 f4a881ce 2018-11-17 stsp if (!got_parse_sha1_digest((*tag)->id.sha1, s)) {
834 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
837 f4a881ce 2018-11-17 stsp remain -= SHA1_DIGEST_STRING_LENGTH;
838 f4a881ce 2018-11-17 stsp s += SHA1_DIGEST_STRING_LENGTH;
840 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
844 f4a881ce 2018-11-17 stsp if (remain <= 0) {
845 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
849 ff2a4428 2019-03-19 stsp label_len = strlen(GOT_TAG_LABEL_TYPE);
850 ff2a4428 2019-03-19 stsp if (strncmp(s, GOT_TAG_LABEL_TYPE, label_len) == 0) {
851 ff2a4428 2019-03-19 stsp remain -= label_len;
852 f4a881ce 2018-11-17 stsp if (remain <= 0) {
853 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
856 ff2a4428 2019-03-19 stsp s += label_len;
857 ff2a4428 2019-03-19 stsp if (strncmp(s, GOT_OBJ_LABEL_COMMIT,
858 ff2a4428 2019-03-19 stsp strlen(GOT_OBJ_LABEL_COMMIT)) == 0) {
859 f4a881ce 2018-11-17 stsp (*tag)->obj_type = GOT_OBJ_TYPE_COMMIT;
860 ff2a4428 2019-03-19 stsp label_len = strlen(GOT_OBJ_LABEL_COMMIT);
861 ff2a4428 2019-03-19 stsp s += label_len;
862 ff2a4428 2019-03-19 stsp remain -= label_len;
863 ff2a4428 2019-03-19 stsp } else if (strncmp(s, GOT_OBJ_LABEL_TREE,
864 ff2a4428 2019-03-19 stsp strlen(GOT_OBJ_LABEL_TREE)) == 0) {
865 f4a881ce 2018-11-17 stsp (*tag)->obj_type = GOT_OBJ_TYPE_TREE;
866 ff2a4428 2019-03-19 stsp label_len = strlen(GOT_OBJ_LABEL_TREE);
867 ff2a4428 2019-03-19 stsp s += label_len;
868 ff2a4428 2019-03-19 stsp remain -= label_len;
869 ff2a4428 2019-03-19 stsp } else if (strncmp(s, GOT_OBJ_LABEL_BLOB,
870 ff2a4428 2019-03-19 stsp strlen(GOT_OBJ_LABEL_BLOB)) == 0) {
871 f4a881ce 2018-11-17 stsp (*tag)->obj_type = GOT_OBJ_TYPE_BLOB;
872 ff2a4428 2019-03-19 stsp label_len = strlen(GOT_OBJ_LABEL_BLOB);
873 ff2a4428 2019-03-19 stsp s += label_len;
874 ff2a4428 2019-03-19 stsp remain -= label_len;
875 ff2a4428 2019-03-19 stsp } else if (strncmp(s, GOT_OBJ_LABEL_TAG,
876 ff2a4428 2019-03-19 stsp strlen(GOT_OBJ_LABEL_TAG)) == 0) {
877 f4a881ce 2018-11-17 stsp (*tag)->obj_type = GOT_OBJ_TYPE_TAG;
878 ff2a4428 2019-03-19 stsp label_len = strlen(GOT_OBJ_LABEL_TAG);
879 ff2a4428 2019-03-19 stsp s += label_len;
880 ff2a4428 2019-03-19 stsp remain -= label_len;
882 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
886 f4a881ce 2018-11-17 stsp if (remain <= 0 || *s != '\n') {
887 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
892 f4a881ce 2018-11-17 stsp if (remain <= 0) {
893 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
897 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
901 ff2a4428 2019-03-19 stsp label_len = strlen(GOT_TAG_LABEL_TAG);
902 ff2a4428 2019-03-19 stsp if (strncmp(s, GOT_TAG_LABEL_TAG, label_len) == 0) {
904 f4a881ce 2018-11-17 stsp size_t slen;
905 ff2a4428 2019-03-19 stsp remain -= label_len;
906 f4a881ce 2018-11-17 stsp if (remain <= 0) {
907 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
910 ff2a4428 2019-03-19 stsp s += label_len;
911 dedbbd9d 2019-04-13 stsp p = memchr(s, '\n', remain);
912 f4a881ce 2018-11-17 stsp if (p == NULL) {
913 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
917 f4a881ce 2018-11-17 stsp slen = strlen(s);
918 f4a881ce 2018-11-17 stsp (*tag)->tag = strndup(s, slen);
919 f4a881ce 2018-11-17 stsp if ((*tag)->tag == NULL) {
920 638f9024 2019-05-13 stsp err = got_error_from_errno("strndup");
923 f4a881ce 2018-11-17 stsp s += slen + 1;
924 f4a881ce 2018-11-17 stsp remain -= slen + 1;
925 f4a881ce 2018-11-17 stsp if (remain <= 0) {
926 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
930 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
934 ff2a4428 2019-03-19 stsp label_len = strlen(GOT_TAG_LABEL_TAGGER);
935 ff2a4428 2019-03-19 stsp if (strncmp(s, GOT_TAG_LABEL_TAGGER, label_len) == 0) {
937 f4a881ce 2018-11-17 stsp size_t slen;
939 ff2a4428 2019-03-19 stsp remain -= label_len;
940 f4a881ce 2018-11-17 stsp if (remain <= 0) {
941 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
944 ff2a4428 2019-03-19 stsp s += label_len;
945 dedbbd9d 2019-04-13 stsp p = memchr(s, '\n', remain);
946 f4a881ce 2018-11-17 stsp if (p == NULL) {
947 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
951 f4a881ce 2018-11-17 stsp slen = strlen(s);
952 f4a881ce 2018-11-17 stsp err = parse_commit_time(&(*tag)->tagger_time,
953 f4a881ce 2018-11-17 stsp &(*tag)->tagger_gmtoff, s);
956 f4a881ce 2018-11-17 stsp (*tag)->tagger = strdup(s);
957 f4a881ce 2018-11-17 stsp if ((*tag)->tagger == NULL) {
958 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
961 f4a881ce 2018-11-17 stsp s += slen + 1;
962 f4a881ce 2018-11-17 stsp remain -= slen + 1;
963 5a8b373c 2020-12-18 stsp if (remain < 0) {
964 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
968 e0e55b50 2019-02-01 stsp /* Some old tags in the Linux git repo have no tagger. */
969 e0e55b50 2019-02-01 stsp (*tag)->tagger = strdup("");
970 e0e55b50 2019-02-01 stsp if ((*tag)->tagger == NULL) {
971 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
976 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = strndup(s, remain);
977 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
978 638f9024 2019-05-13 stsp err = got_error_from_errno("strndup");
983 f4a881ce 2018-11-17 stsp got_object_tag_close(*tag);
984 f4a881ce 2018-11-17 stsp *tag = NULL;
986 f4a881ce 2018-11-17 stsp return err;
989 f4a881ce 2018-11-17 stsp const struct got_error *
990 ad242220 2018-09-08 stsp got_read_file_to_mem(uint8_t **outbuf, size_t *outlen, FILE *f)
992 a440fac0 2018-09-06 stsp const struct got_error *err = NULL;
993 a440fac0 2018-09-06 stsp static const size_t blocksize = 512;
994 a440fac0 2018-09-06 stsp size_t n, total, remain;
995 a440fac0 2018-09-06 stsp uint8_t *buf;
997 a440fac0 2018-09-06 stsp *outbuf = NULL;
998 a440fac0 2018-09-06 stsp *outlen = 0;
1000 a440fac0 2018-09-06 stsp buf = malloc(blocksize);
1001 a440fac0 2018-09-06 stsp if (buf == NULL)
1002 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1004 a440fac0 2018-09-06 stsp remain = blocksize;
1005 a440fac0 2018-09-06 stsp total = 0;
1007 a440fac0 2018-09-06 stsp if (remain == 0) {
1008 a440fac0 2018-09-06 stsp uint8_t *newbuf;
1009 a440fac0 2018-09-06 stsp newbuf = reallocarray(buf, 1, total + blocksize);
1010 a440fac0 2018-09-06 stsp if (newbuf == NULL) {
1011 638f9024 2019-05-13 stsp err = got_error_from_errno("reallocarray");
1012 a440fac0 2018-09-06 stsp goto done;
1014 a440fac0 2018-09-06 stsp buf = newbuf;
1015 a440fac0 2018-09-06 stsp remain += blocksize;
1017 a440fac0 2018-09-06 stsp n = fread(buf + total, 1, remain, f);
1018 a440fac0 2018-09-06 stsp if (n == 0) {
1019 a440fac0 2018-09-06 stsp if (ferror(f)) {
1020 a440fac0 2018-09-06 stsp err = got_ferror(f, GOT_ERR_IO);
1021 a440fac0 2018-09-06 stsp goto done;
1023 a440fac0 2018-09-06 stsp break; /* EOF */
1025 a440fac0 2018-09-06 stsp remain -= n;
1026 a440fac0 2018-09-06 stsp total += n;
1030 a440fac0 2018-09-06 stsp if (err == NULL) {
1031 a440fac0 2018-09-06 stsp *outbuf = buf;
1032 a440fac0 2018-09-06 stsp *outlen = total;
1034 a440fac0 2018-09-06 stsp free(buf);
1035 ad242220 2018-09-08 stsp return err;