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 a440fac0 2018-09-06 stsp #include <sys/uio.h>
21 a440fac0 2018-09-06 stsp #include <sys/socket.h>
22 a440fac0 2018-09-06 stsp #include <sys/wait.h>
24 a440fac0 2018-09-06 stsp #include <errno.h>
25 a440fac0 2018-09-06 stsp #include <stdio.h>
26 a440fac0 2018-09-06 stsp #include <stdlib.h>
27 a440fac0 2018-09-06 stsp #include <string.h>
28 a440fac0 2018-09-06 stsp #include <stdint.h>
29 a440fac0 2018-09-06 stsp #include <sha1.h>
30 a440fac0 2018-09-06 stsp #include <zlib.h>
31 a440fac0 2018-09-06 stsp #include <ctype.h>
32 a440fac0 2018-09-06 stsp #include <limits.h>
33 a440fac0 2018-09-06 stsp #include <imsg.h>
34 a440fac0 2018-09-06 stsp #include <time.h>
35 ad242220 2018-09-08 stsp #include <unistd.h>
37 a440fac0 2018-09-06 stsp #include "got_error.h"
38 a440fac0 2018-09-06 stsp #include "got_object.h"
39 a440fac0 2018-09-06 stsp #include "got_repository.h"
40 a440fac0 2018-09-06 stsp #include "got_opentemp.h"
41 324d37e7 2019-05-11 stsp #include "got_path.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 3022d272 2019-11-14 stsp #include "got_lib_object_parse.h"
48 6bef87be 2018-09-11 stsp #include "got_lib_object_cache.h"
49 15a94983 2018-12-23 stsp #include "got_lib_pack.h"
50 15a94983 2018-12-23 stsp #include "got_lib_privsep.h"
51 ad242220 2018-09-08 stsp #include "got_lib_repository.h"
53 a440fac0 2018-09-06 stsp #ifndef nitems
54 a440fac0 2018-09-06 stsp #define nitems(_a) (sizeof(_a) / sizeof((_a)[0]))
57 ca6e02ac 2020-01-07 stsp struct got_object_id *
58 ca6e02ac 2020-01-07 stsp got_object_id_dup(struct got_object_id *id1)
60 ca6e02ac 2020-01-07 stsp struct got_object_id *id2;
62 ca6e02ac 2020-01-07 stsp id2 = malloc(sizeof(*id2));
63 ca6e02ac 2020-01-07 stsp if (id2 == NULL)
64 ca6e02ac 2020-01-07 stsp return NULL;
65 ca6e02ac 2020-01-07 stsp memcpy(id2, id1, sizeof(*id2));
70 f054b67a 2018-11-05 stsp got_object_id_cmp(const struct got_object_id *id1,
71 f054b67a 2018-11-05 stsp const struct got_object_id *id2)
73 f054b67a 2018-11-05 stsp return memcmp(id1->sha1, id2->sha1, SHA1_DIGEST_LENGTH);
76 2ff12563 2018-09-15 stsp const struct got_error *
77 5df4932d 2018-11-05 stsp got_object_qid_alloc_partial(struct got_object_qid **qid)
79 5df4932d 2018-11-05 stsp const struct got_error *err = NULL;
81 5df4932d 2018-11-05 stsp *qid = malloc(sizeof(**qid));
82 5df4932d 2018-11-05 stsp if (*qid == NULL)
83 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
85 5df4932d 2018-11-05 stsp (*qid)->id = malloc(sizeof(*((*qid)->id)));
86 5df4932d 2018-11-05 stsp if ((*qid)->id == NULL) {
87 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
88 5df4932d 2018-11-05 stsp got_object_qid_free(*qid);
89 5df4932d 2018-11-05 stsp *qid = NULL;
92 74a2356f 2021-06-18 stsp (*qid)->data = NULL;
94 5df4932d 2018-11-05 stsp return NULL;
97 5df4932d 2018-11-05 stsp const struct got_error *
98 2ff12563 2018-09-15 stsp got_object_id_str(char **outbuf, struct got_object_id *id)
100 2ff12563 2018-09-15 stsp static const size_t len = SHA1_DIGEST_STRING_LENGTH;
102 2ff12563 2018-09-15 stsp *outbuf = malloc(len);
103 2ff12563 2018-09-15 stsp if (*outbuf == NULL)
104 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
106 2ff12563 2018-09-15 stsp if (got_sha1_digest_to_str(id->sha1, *outbuf, len) == NULL) {
107 2ff12563 2018-09-15 stsp free(*outbuf);
108 2ff12563 2018-09-15 stsp *outbuf = NULL;
109 2ff12563 2018-09-15 stsp return got_error(GOT_ERR_BAD_OBJ_ID_STR);
112 2ff12563 2018-09-15 stsp return NULL;
116 03fa71c8 2018-09-06 stsp got_object_close(struct got_object *obj)
118 03fa71c8 2018-09-06 stsp if (obj->refcnt > 0) {
119 03fa71c8 2018-09-06 stsp obj->refcnt--;
120 03fa71c8 2018-09-06 stsp if (obj->refcnt > 0)
124 03fa71c8 2018-09-06 stsp if (obj->flags & GOT_OBJ_FLAG_DELTIFIED) {
125 03fa71c8 2018-09-06 stsp struct got_delta *delta;
126 dbdddfee 2021-06-23 naddy while (!STAILQ_EMPTY(&obj->deltas.entries)) {
127 dbdddfee 2021-06-23 naddy delta = STAILQ_FIRST(&obj->deltas.entries);
128 dbdddfee 2021-06-23 naddy STAILQ_REMOVE_HEAD(&obj->deltas.entries, entry);
129 2256993b 2019-07-15 stsp free(delta);
136 03fa71c8 2018-09-06 stsp got_object_qid_free(struct got_object_qid *qid)
138 03fa71c8 2018-09-06 stsp free(qid->id);
143 dd88155e 2019-06-29 stsp got_object_id_queue_free(struct got_object_id_queue *ids)
145 dd88155e 2019-06-29 stsp struct got_object_qid *qid;
147 dbdddfee 2021-06-23 naddy while (!STAILQ_EMPTY(ids)) {
148 dbdddfee 2021-06-23 naddy qid = STAILQ_FIRST(ids);
149 dbdddfee 2021-06-23 naddy STAILQ_REMOVE_HEAD(ids, entry);
150 dd88155e 2019-06-29 stsp got_object_qid_free(qid);
154 1785f84a 2018-12-23 stsp const struct got_error *
155 1785f84a 2018-12-23 stsp got_object_parse_header(struct got_object **obj, char *buf, size_t len)
157 ff2a4428 2019-03-19 stsp const char *obj_labels[] = {
158 ff2a4428 2019-03-19 stsp GOT_OBJ_LABEL_COMMIT,
159 ff2a4428 2019-03-19 stsp GOT_OBJ_LABEL_TREE,
160 ff2a4428 2019-03-19 stsp GOT_OBJ_LABEL_BLOB,
161 ff2a4428 2019-03-19 stsp GOT_OBJ_LABEL_TAG,
163 1785f84a 2018-12-23 stsp const int obj_types[] = {
164 1785f84a 2018-12-23 stsp GOT_OBJ_TYPE_COMMIT,
165 1785f84a 2018-12-23 stsp GOT_OBJ_TYPE_TREE,
166 1785f84a 2018-12-23 stsp GOT_OBJ_TYPE_BLOB,
167 1785f84a 2018-12-23 stsp GOT_OBJ_TYPE_TAG,
169 1785f84a 2018-12-23 stsp int type = 0;
170 1785f84a 2018-12-23 stsp size_t size = 0, hdrlen = 0;
173 1785f84a 2018-12-23 stsp *obj = NULL;
175 9ef4ac16 2019-04-13 stsp hdrlen = strnlen(buf, len) + 1 /* '\0' */;
176 9ef4ac16 2019-04-13 stsp if (hdrlen > len)
177 9ef4ac16 2019-04-13 stsp return got_error(GOT_ERR_BAD_OBJ_HDR);
179 ff2a4428 2019-03-19 stsp for (i = 0; i < nitems(obj_labels); i++) {
180 ff2a4428 2019-03-19 stsp const char *label = obj_labels[i];
181 ff2a4428 2019-03-19 stsp size_t label_len = strlen(label);
182 1785f84a 2018-12-23 stsp const char *errstr;
184 ff2a4428 2019-03-19 stsp if (strncmp(buf, label, label_len) != 0)
187 1785f84a 2018-12-23 stsp type = obj_types[i];
188 ff2a4428 2019-03-19 stsp if (len <= label_len)
189 1785f84a 2018-12-23 stsp return got_error(GOT_ERR_BAD_OBJ_HDR);
190 ff2a4428 2019-03-19 stsp size = strtonum(buf + label_len, 0, LONG_MAX, &errstr);
191 1785f84a 2018-12-23 stsp if (errstr != NULL)
192 1785f84a 2018-12-23 stsp return got_error(GOT_ERR_BAD_OBJ_HDR);
196 1785f84a 2018-12-23 stsp if (type == 0)
197 1785f84a 2018-12-23 stsp return got_error(GOT_ERR_BAD_OBJ_HDR);
199 1785f84a 2018-12-23 stsp *obj = calloc(1, sizeof(**obj));
200 1785f84a 2018-12-23 stsp if (*obj == NULL)
201 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
202 1785f84a 2018-12-23 stsp (*obj)->type = type;
203 1785f84a 2018-12-23 stsp (*obj)->hdrlen = hdrlen;
204 1785f84a 2018-12-23 stsp (*obj)->size = size;
205 1785f84a 2018-12-23 stsp return NULL;
208 1785f84a 2018-12-23 stsp const struct got_error *
209 1785f84a 2018-12-23 stsp got_object_read_header(struct got_object **obj, int fd)
211 1785f84a 2018-12-23 stsp const struct got_error *err;
212 23bc48a9 2019-03-19 stsp struct got_inflate_buf zb;
213 31e61ec1 2021-09-28 naddy uint8_t *buf;
214 1785f84a 2018-12-23 stsp const size_t zbsize = 64;
215 1785f84a 2018-12-23 stsp size_t outlen, totlen;
216 1785f84a 2018-12-23 stsp int nbuf = 1;
218 1785f84a 2018-12-23 stsp *obj = NULL;
220 1785f84a 2018-12-23 stsp buf = malloc(zbsize);
221 1785f84a 2018-12-23 stsp if (buf == NULL)
222 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
224 1e87a3c3 2020-03-18 stsp err = got_inflate_init(&zb, buf, zbsize, NULL);
226 1785f84a 2018-12-23 stsp return err;
228 1785f84a 2018-12-23 stsp totlen = 0;
230 3ab5e33c 2020-03-18 stsp err = got_inflate_read_fd(&zb, fd, &outlen, NULL);
233 1785f84a 2018-12-23 stsp if (outlen == 0)
235 1785f84a 2018-12-23 stsp totlen += outlen;
236 dedbbd9d 2019-04-13 stsp if (memchr(zb.outbuf, '\0', outlen) == NULL) {
237 31e61ec1 2021-09-28 naddy uint8_t *newbuf;
239 1785f84a 2018-12-23 stsp newbuf = recallocarray(buf, nbuf - 1, nbuf, zbsize);
240 1785f84a 2018-12-23 stsp if (newbuf == NULL) {
241 638f9024 2019-05-13 stsp err = got_error_from_errno("recallocarray");
244 1785f84a 2018-12-23 stsp buf = newbuf;
245 1785f84a 2018-12-23 stsp zb.outbuf = newbuf + totlen;
246 1785f84a 2018-12-23 stsp zb.outlen = (nbuf * zbsize) - totlen;
248 dedbbd9d 2019-04-13 stsp } while (memchr(zb.outbuf, '\0', outlen) == NULL);
250 1785f84a 2018-12-23 stsp err = got_object_parse_header(obj, buf, totlen);
253 1785f84a 2018-12-23 stsp got_inflate_end(&zb);
254 1785f84a 2018-12-23 stsp return err;
257 a440fac0 2018-09-06 stsp struct got_commit_object *
258 a440fac0 2018-09-06 stsp got_object_commit_alloc_partial(void)
260 a440fac0 2018-09-06 stsp struct got_commit_object *commit;
262 a440fac0 2018-09-06 stsp commit = calloc(1, sizeof(*commit));
263 a440fac0 2018-09-06 stsp if (commit == NULL)
264 a440fac0 2018-09-06 stsp return NULL;
265 acf0c7c6 2018-11-05 stsp commit->tree_id = malloc(sizeof(*commit->tree_id));
266 a440fac0 2018-09-06 stsp if (commit->tree_id == NULL) {
267 a440fac0 2018-09-06 stsp free(commit);
268 a440fac0 2018-09-06 stsp return NULL;
271 dbdddfee 2021-06-23 naddy STAILQ_INIT(&commit->parent_ids);
273 a440fac0 2018-09-06 stsp return commit;
276 a440fac0 2018-09-06 stsp const struct got_error *
277 a440fac0 2018-09-06 stsp got_object_commit_add_parent(struct got_commit_object *commit,
278 a440fac0 2018-09-06 stsp const char *id_str)
280 a440fac0 2018-09-06 stsp const struct got_error *err = NULL;
281 a440fac0 2018-09-06 stsp struct got_object_qid *qid;
283 5df4932d 2018-11-05 stsp err = got_object_qid_alloc_partial(&qid);
285 7762fe12 2018-11-05 stsp return err;
287 a440fac0 2018-09-06 stsp if (!got_parse_sha1_digest(qid->id->sha1, id_str)) {
288 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
289 00eb6a1f 2019-07-15 stsp got_object_qid_free(qid);
290 a440fac0 2018-09-06 stsp return err;
293 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(&commit->parent_ids, qid, entry);
294 a440fac0 2018-09-06 stsp commit->nparents++;
296 a440fac0 2018-09-06 stsp return NULL;
299 a440fac0 2018-09-06 stsp static const struct got_error *
300 a440fac0 2018-09-06 stsp parse_gmtoff(time_t *gmtoff, const char *tzstr)
302 a440fac0 2018-09-06 stsp int sign = 1;
303 a440fac0 2018-09-06 stsp const char *p = tzstr;
304 a440fac0 2018-09-06 stsp time_t h, m;
306 a440fac0 2018-09-06 stsp *gmtoff = 0;
308 a440fac0 2018-09-06 stsp if (*p == '-')
310 a440fac0 2018-09-06 stsp else if (*p != '+')
311 a440fac0 2018-09-06 stsp return got_error(GOT_ERR_BAD_OBJ_DATA);
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 h = (((*p - '0') * 10) + (*(p + 1) - '0'));
318 a440fac0 2018-09-06 stsp if (!isdigit(*p) && !isdigit(*(p + 1)))
319 a440fac0 2018-09-06 stsp return got_error(GOT_ERR_BAD_OBJ_DATA);
320 a440fac0 2018-09-06 stsp m = ((*p - '0') * 10) + (*(p + 1) - '0');
322 a440fac0 2018-09-06 stsp *gmtoff = (h * 60 * 60 + m * 60) * sign;
323 a440fac0 2018-09-06 stsp return NULL;
326 a440fac0 2018-09-06 stsp static const struct got_error *
327 ccb26ccd 2018-11-05 stsp parse_commit_time(time_t *time, time_t *gmtoff, char *committer)
329 a440fac0 2018-09-06 stsp const struct got_error *err = NULL;
330 a440fac0 2018-09-06 stsp const char *errstr;
331 a440fac0 2018-09-06 stsp char *space, *tzstr;
333 a440fac0 2018-09-06 stsp /* Parse and strip off trailing timezone indicator string. */
334 a440fac0 2018-09-06 stsp space = strrchr(committer, ' ');
335 a440fac0 2018-09-06 stsp if (space == NULL)
336 a440fac0 2018-09-06 stsp return got_error(GOT_ERR_BAD_OBJ_DATA);
337 a440fac0 2018-09-06 stsp tzstr = strdup(space + 1);
338 a440fac0 2018-09-06 stsp if (tzstr == NULL)
339 638f9024 2019-05-13 stsp return got_error_from_errno("strdup");
340 ccb26ccd 2018-11-05 stsp err = parse_gmtoff(gmtoff, tzstr);
341 a440fac0 2018-09-06 stsp free(tzstr);
343 9dbd8627 2021-02-04 stsp if (err->code != GOT_ERR_BAD_OBJ_DATA)
344 9dbd8627 2021-02-04 stsp return err;
345 9dbd8627 2021-02-04 stsp /* Old versions of Git omitted the timestamp. */
347 9dbd8627 2021-02-04 stsp *gmtoff = 0;
348 9dbd8627 2021-02-04 stsp return NULL;
350 a440fac0 2018-09-06 stsp *space = '\0';
352 a440fac0 2018-09-06 stsp /* Timestamp is separated from committer name + email by space. */
353 a440fac0 2018-09-06 stsp space = strrchr(committer, ' ');
354 a440fac0 2018-09-06 stsp if (space == NULL)
355 a440fac0 2018-09-06 stsp return got_error(GOT_ERR_BAD_OBJ_DATA);
357 09867e48 2019-08-13 stsp /* Timestamp parsed here is expressed as UNIX timestamp (UTC). */
358 ccb26ccd 2018-11-05 stsp *time = strtonum(space + 1, 0, INT64_MAX, &errstr);
359 a440fac0 2018-09-06 stsp if (errstr)
360 a440fac0 2018-09-06 stsp return got_error(GOT_ERR_BAD_OBJ_DATA);
362 a440fac0 2018-09-06 stsp /* Strip off parsed time information, leaving just author and email. */
363 a440fac0 2018-09-06 stsp *space = '\0';
365 a440fac0 2018-09-06 stsp return NULL;
369 03fa71c8 2018-09-06 stsp got_object_commit_close(struct got_commit_object *commit)
371 03fa71c8 2018-09-06 stsp if (commit->refcnt > 0) {
372 03fa71c8 2018-09-06 stsp commit->refcnt--;
373 03fa71c8 2018-09-06 stsp if (commit->refcnt > 0)
377 dd88155e 2019-06-29 stsp got_object_id_queue_free(&commit->parent_ids);
378 03fa71c8 2018-09-06 stsp free(commit->tree_id);
379 03fa71c8 2018-09-06 stsp free(commit->author);
380 03fa71c8 2018-09-06 stsp free(commit->committer);
381 03fa71c8 2018-09-06 stsp free(commit->logmsg);
382 03fa71c8 2018-09-06 stsp free(commit);
385 45d799e2 2018-12-23 stsp struct got_object_id *
386 45d799e2 2018-12-23 stsp got_object_commit_get_tree_id(struct got_commit_object *commit)
388 45d799e2 2018-12-23 stsp return commit->tree_id;
392 45d799e2 2018-12-23 stsp got_object_commit_get_nparents(struct got_commit_object *commit)
394 45d799e2 2018-12-23 stsp return commit->nparents;
397 45d799e2 2018-12-23 stsp const struct got_object_id_queue *
398 45d799e2 2018-12-23 stsp got_object_commit_get_parent_ids(struct got_commit_object *commit)
400 45d799e2 2018-12-23 stsp return &commit->parent_ids;
403 45d799e2 2018-12-23 stsp const char *
404 45d799e2 2018-12-23 stsp got_object_commit_get_author(struct got_commit_object *commit)
406 45d799e2 2018-12-23 stsp return commit->author;
410 45d799e2 2018-12-23 stsp got_object_commit_get_author_time(struct got_commit_object *commit)
412 45d799e2 2018-12-23 stsp return commit->author_time;
415 45d799e2 2018-12-23 stsp time_t got_object_commit_get_author_gmtoff(struct got_commit_object *commit)
417 45d799e2 2018-12-23 stsp return commit->author_gmtoff;
420 45d799e2 2018-12-23 stsp const char *
421 45d799e2 2018-12-23 stsp got_object_commit_get_committer(struct got_commit_object *commit)
423 45d799e2 2018-12-23 stsp return commit->committer;
427 45d799e2 2018-12-23 stsp got_object_commit_get_committer_time(struct got_commit_object *commit)
429 45d799e2 2018-12-23 stsp return commit->committer_time;
433 45d799e2 2018-12-23 stsp got_object_commit_get_committer_gmtoff(struct got_commit_object *commit)
435 45d799e2 2018-12-23 stsp return commit->committer_gmtoff;
438 5943eee2 2019-08-13 stsp const struct got_error *
439 5943eee2 2019-08-13 stsp got_object_commit_get_logmsg(char **logmsg, struct got_commit_object *commit)
441 5943eee2 2019-08-13 stsp const struct got_error *err = NULL;
442 b9c41b54 2021-08-03 stsp const char *src;
444 5943eee2 2019-08-13 stsp size_t len;
446 b9c41b54 2021-08-03 stsp len = strlen(commit->logmsg);
447 b9c41b54 2021-08-03 stsp *logmsg = malloc(len + 2); /* leave room for a trailing \n and \0 */
448 b9c41b54 2021-08-03 stsp if (*logmsg == NULL)
449 b9c41b54 2021-08-03 stsp return got_error_from_errno("malloc");
452 b9c41b54 2021-08-03 stsp * Strip out unusual headers. Headers are separated from the commit
453 b9c41b54 2021-08-03 stsp * message body by a single empty line.
455 b9c41b54 2021-08-03 stsp src = commit->logmsg;
456 b9c41b54 2021-08-03 stsp dst = *logmsg;
457 b9c41b54 2021-08-03 stsp while (*src != '\0' && *src != '\n') {
458 b9c41b54 2021-08-03 stsp int copy_header = 1, eol = 0;
459 b9c41b54 2021-08-03 stsp if (strncmp(src, GOT_COMMIT_LABEL_TREE,
460 b9c41b54 2021-08-03 stsp strlen(GOT_COMMIT_LABEL_TREE)) != 0 &&
461 b9c41b54 2021-08-03 stsp strncmp(src, GOT_COMMIT_LABEL_AUTHOR,
462 b9c41b54 2021-08-03 stsp strlen(GOT_COMMIT_LABEL_AUTHOR)) != 0 &&
463 b9c41b54 2021-08-03 stsp strncmp(src, GOT_COMMIT_LABEL_PARENT,
464 b9c41b54 2021-08-03 stsp strlen(GOT_COMMIT_LABEL_PARENT)) != 0 &&
465 b9c41b54 2021-08-03 stsp strncmp(src, GOT_COMMIT_LABEL_COMMITTER,
466 b9c41b54 2021-08-03 stsp strlen(GOT_COMMIT_LABEL_COMMITTER)) != 0)
467 b9c41b54 2021-08-03 stsp copy_header = 0;
469 b9c41b54 2021-08-03 stsp while (*src != '\0' && !eol) {
470 b9c41b54 2021-08-03 stsp if (copy_header) {
471 b9c41b54 2021-08-03 stsp *dst = *src;
474 b9c41b54 2021-08-03 stsp if (*src == '\n')
479 b9c41b54 2021-08-03 stsp *dst = '\0';
481 b9c41b54 2021-08-03 stsp if (strlcat(*logmsg, src, len + 1) >= len + 1) {
482 b9c41b54 2021-08-03 stsp err = got_error(GOT_ERR_NO_SPACE);
486 5943eee2 2019-08-13 stsp /* Trim redundant trailing whitespace. */
487 5943eee2 2019-08-13 stsp len = strlen(*logmsg);
488 5943eee2 2019-08-13 stsp while (len > 1 && isspace((unsigned char)(*logmsg)[len - 2]) &&
489 5943eee2 2019-08-13 stsp isspace((unsigned char)(*logmsg)[len - 1])) {
490 5943eee2 2019-08-13 stsp (*logmsg)[len - 1] = '\0';
494 b9c41b54 2021-08-03 stsp /* Append a trailing newline if missing. */
495 b9c41b54 2021-08-03 stsp if (len > 0 && (*logmsg)[len - 1] != '\n') {
496 b9c41b54 2021-08-03 stsp (*logmsg)[len] = '\n';
497 b9c41b54 2021-08-03 stsp (*logmsg)[len + 1] = '\0';
501 5943eee2 2019-08-13 stsp free(*logmsg);
502 5943eee2 2019-08-13 stsp *logmsg = NULL;
504 5943eee2 2019-08-13 stsp return err;
507 24ea5512 2019-08-22 stsp const char *
508 24ea5512 2019-08-22 stsp got_object_commit_get_logmsg_raw(struct got_commit_object *commit)
510 24ea5512 2019-08-22 stsp return commit->logmsg;
513 a440fac0 2018-09-06 stsp const struct got_error *
514 5e0b25c4 2018-12-24 stsp got_object_parse_commit(struct got_commit_object **commit, char *buf,
515 5e0b25c4 2018-12-24 stsp size_t len)
517 a440fac0 2018-09-06 stsp const struct got_error *err = NULL;
518 a440fac0 2018-09-06 stsp char *s = buf;
519 ff2a4428 2019-03-19 stsp size_t label_len;
520 a440fac0 2018-09-06 stsp ssize_t remain = (ssize_t)len;
522 4793d91b 2019-09-22 stsp if (remain == 0)
523 4793d91b 2019-09-22 stsp return got_error(GOT_ERR_BAD_OBJ_DATA);
525 a440fac0 2018-09-06 stsp *commit = got_object_commit_alloc_partial();
526 a440fac0 2018-09-06 stsp if (*commit == NULL)
527 638f9024 2019-05-13 stsp return got_error_from_errno("got_object_commit_alloc_partial");
529 ff2a4428 2019-03-19 stsp label_len = strlen(GOT_COMMIT_LABEL_TREE);
530 ff2a4428 2019-03-19 stsp if (strncmp(s, GOT_COMMIT_LABEL_TREE, label_len) == 0) {
531 ff2a4428 2019-03-19 stsp remain -= label_len;
532 a440fac0 2018-09-06 stsp if (remain < SHA1_DIGEST_STRING_LENGTH) {
533 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
536 ff2a4428 2019-03-19 stsp s += label_len;
537 a440fac0 2018-09-06 stsp if (!got_parse_sha1_digest((*commit)->tree_id->sha1, s)) {
538 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
541 a440fac0 2018-09-06 stsp remain -= SHA1_DIGEST_STRING_LENGTH;
542 a440fac0 2018-09-06 stsp s += SHA1_DIGEST_STRING_LENGTH;
544 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
548 ff2a4428 2019-03-19 stsp label_len = strlen(GOT_COMMIT_LABEL_PARENT);
549 ff2a4428 2019-03-19 stsp while (strncmp(s, GOT_COMMIT_LABEL_PARENT, label_len) == 0) {
550 ff2a4428 2019-03-19 stsp remain -= label_len;
551 a440fac0 2018-09-06 stsp if (remain < SHA1_DIGEST_STRING_LENGTH) {
552 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
555 ff2a4428 2019-03-19 stsp s += label_len;
556 a440fac0 2018-09-06 stsp err = got_object_commit_add_parent(*commit, s);
560 a440fac0 2018-09-06 stsp remain -= SHA1_DIGEST_STRING_LENGTH;
561 a440fac0 2018-09-06 stsp s += SHA1_DIGEST_STRING_LENGTH;
564 ff2a4428 2019-03-19 stsp label_len = strlen(GOT_COMMIT_LABEL_AUTHOR);
565 ff2a4428 2019-03-19 stsp if (strncmp(s, GOT_COMMIT_LABEL_AUTHOR, label_len) == 0) {
567 a440fac0 2018-09-06 stsp size_t slen;
569 ff2a4428 2019-03-19 stsp remain -= label_len;
570 a440fac0 2018-09-06 stsp if (remain <= 0) {
571 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
574 ff2a4428 2019-03-19 stsp s += label_len;
575 dedbbd9d 2019-04-13 stsp p = memchr(s, '\n', remain);
576 a440fac0 2018-09-06 stsp if (p == NULL) {
577 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
581 a440fac0 2018-09-06 stsp slen = strlen(s);
582 ccb26ccd 2018-11-05 stsp err = parse_commit_time(&(*commit)->author_time,
583 ccb26ccd 2018-11-05 stsp &(*commit)->author_gmtoff, s);
586 a440fac0 2018-09-06 stsp (*commit)->author = strdup(s);
587 a440fac0 2018-09-06 stsp if ((*commit)->author == NULL) {
588 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
591 a440fac0 2018-09-06 stsp s += slen + 1;
592 a440fac0 2018-09-06 stsp remain -= slen + 1;
595 ff2a4428 2019-03-19 stsp label_len = strlen(GOT_COMMIT_LABEL_COMMITTER);
596 ff2a4428 2019-03-19 stsp if (strncmp(s, GOT_COMMIT_LABEL_COMMITTER, label_len) == 0) {
598 a440fac0 2018-09-06 stsp size_t slen;
600 ff2a4428 2019-03-19 stsp remain -= label_len;
601 a440fac0 2018-09-06 stsp if (remain <= 0) {
602 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
605 ff2a4428 2019-03-19 stsp s += label_len;
606 dedbbd9d 2019-04-13 stsp p = memchr(s, '\n', remain);
607 a440fac0 2018-09-06 stsp if (p == NULL) {
608 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
612 a440fac0 2018-09-06 stsp slen = strlen(s);
613 ccb26ccd 2018-11-05 stsp err = parse_commit_time(&(*commit)->committer_time,
614 ccb26ccd 2018-11-05 stsp &(*commit)->committer_gmtoff, s);
617 a440fac0 2018-09-06 stsp (*commit)->committer = strdup(s);
618 a440fac0 2018-09-06 stsp if ((*commit)->committer == NULL) {
619 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
622 a440fac0 2018-09-06 stsp s += slen + 1;
623 a440fac0 2018-09-06 stsp remain -= slen + 1;
626 a440fac0 2018-09-06 stsp (*commit)->logmsg = strndup(s, remain);
627 a440fac0 2018-09-06 stsp if ((*commit)->logmsg == NULL) {
628 638f9024 2019-05-13 stsp err = got_error_from_errno("strndup");
633 a440fac0 2018-09-06 stsp got_object_commit_close(*commit);
634 a440fac0 2018-09-06 stsp *commit = NULL;
636 a440fac0 2018-09-06 stsp return err;
640 ed175427 2019-05-09 stsp got_object_tree_close(struct got_tree_object *tree)
642 03fa71c8 2018-09-06 stsp if (tree->refcnt > 0) {
643 03fa71c8 2018-09-06 stsp tree->refcnt--;
644 03fa71c8 2018-09-06 stsp if (tree->refcnt > 0)
648 56e0773d 2019-11-28 stsp free(tree->entries);
649 03fa71c8 2018-09-06 stsp free(tree);
652 a440fac0 2018-09-06 stsp static const struct got_error *
653 3022d272 2019-11-14 stsp parse_tree_entry(struct got_parsed_tree_entry **pte, const char **name,
654 3022d272 2019-11-14 stsp size_t *elen, char *buf,
655 a440fac0 2018-09-06 stsp size_t maxlen)
657 8914529d 2019-04-13 stsp char *p, *space;
658 a440fac0 2018-09-06 stsp const struct got_error *err = NULL;
660 3022d272 2019-11-14 stsp *name = NULL;
663 3022d272 2019-11-14 stsp *pte = malloc(sizeof(**pte));
664 3022d272 2019-11-14 stsp if (*pte == NULL)
665 3022d272 2019-11-14 stsp return got_error_from_errno("malloc");
667 9ef4ac16 2019-04-13 stsp *elen = strnlen(buf, maxlen) + 1;
668 a440fac0 2018-09-06 stsp if (*elen > maxlen) {
669 3022d272 2019-11-14 stsp free(*pte);
670 3022d272 2019-11-14 stsp *pte = NULL;
671 a440fac0 2018-09-06 stsp return got_error(GOT_ERR_BAD_OBJ_DATA);
674 dedbbd9d 2019-04-13 stsp space = memchr(buf, ' ', *elen);
675 8914529d 2019-04-13 stsp if (space == NULL || space <= buf) {
676 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
677 3022d272 2019-11-14 stsp free(*pte);
678 3022d272 2019-11-14 stsp *pte = NULL;
679 a440fac0 2018-09-06 stsp return err;
681 3022d272 2019-11-14 stsp (*pte)->mode = 0;
683 8914529d 2019-04-13 stsp while (p < space) {
684 a440fac0 2018-09-06 stsp if (*p < '0' && *p > '7') {
685 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
688 3022d272 2019-11-14 stsp (*pte)->mode <<= 3;
689 3022d272 2019-11-14 stsp (*pte)->mode |= *p - '0';
693 a440fac0 2018-09-06 stsp if (*elen > maxlen || maxlen - *elen < SHA1_DIGEST_LENGTH) {
694 a440fac0 2018-09-06 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
697 3022d272 2019-11-14 stsp *name = space + 1;
698 68bf1b1e 2018-11-07 stsp buf += *elen;
699 3022d272 2019-11-14 stsp (*pte)->id = buf;
700 a440fac0 2018-09-06 stsp *elen += SHA1_DIGEST_LENGTH;
703 3022d272 2019-11-14 stsp free(*pte);
704 3022d272 2019-11-14 stsp *pte = NULL;
706 a440fac0 2018-09-06 stsp return err;
709 a440fac0 2018-09-06 stsp const struct got_error *
710 3022d272 2019-11-14 stsp got_object_parse_tree(struct got_pathlist_head *entries, int *nentries,
711 3022d272 2019-11-14 stsp uint8_t *buf, size_t len)
713 3022d272 2019-11-14 stsp const struct got_error *err = NULL;
714 a440fac0 2018-09-06 stsp size_t remain = len;
716 3022d272 2019-11-14 stsp *nentries = 0;
717 db1d3576 2019-10-04 stsp if (remain == 0)
718 db1d3576 2019-10-04 stsp return NULL; /* tree is empty */
720 a440fac0 2018-09-06 stsp while (remain > 0) {
721 3022d272 2019-11-14 stsp struct got_parsed_tree_entry *pte;
722 f5d3d7af 2019-02-05 stsp struct got_pathlist_entry *new = NULL;
723 3022d272 2019-11-14 stsp const char *name;
724 a440fac0 2018-09-06 stsp size_t elen;
726 3022d272 2019-11-14 stsp err = parse_tree_entry(&pte, &name, &elen, buf, remain);
729 3022d272 2019-11-14 stsp err = got_pathlist_insert(&new, entries, name, pte);
732 f5d3d7af 2019-02-05 stsp if (new == NULL) {
733 f5d3d7af 2019-02-05 stsp err = got_error(GOT_ERR_TREE_DUP_ENTRY);
736 a440fac0 2018-09-06 stsp buf += elen;
737 a440fac0 2018-09-06 stsp remain -= elen;
738 3022d272 2019-11-14 stsp (*nentries)++;
741 a440fac0 2018-09-06 stsp if (remain != 0) {
742 f5d3d7af 2019-02-05 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
747 b87b4170 2020-01-06 stsp got_object_parsed_tree_entries_free(entries);
748 3022d272 2019-11-14 stsp *nentries = 0;
750 f5d3d7af 2019-02-05 stsp return err;
754 b87b4170 2020-01-06 stsp got_object_parsed_tree_entries_free(struct got_pathlist_head *entries)
756 b64b1f95 2020-01-06 stsp struct got_pathlist_entry *pe;
758 b64b1f95 2020-01-06 stsp TAILQ_FOREACH(pe, entries, entry) {
759 b64b1f95 2020-01-06 stsp struct got_parsed_tree_entry *pte = pe->data;
762 b64b1f95 2020-01-06 stsp got_pathlist_free(entries);
766 f4a881ce 2018-11-17 stsp got_object_tag_close(struct got_tag_object *tag)
768 ca0d469c 2019-08-13 stsp if (tag->refcnt > 0) {
769 ca0d469c 2019-08-13 stsp tag->refcnt--;
770 ca0d469c 2019-08-13 stsp if (tag->refcnt > 0)
774 f4a881ce 2018-11-17 stsp free(tag->tag);
775 f4a881ce 2018-11-17 stsp free(tag->tagger);
776 f4a881ce 2018-11-17 stsp free(tag->tagmsg);
780 ad242220 2018-09-08 stsp const struct got_error *
781 f4a881ce 2018-11-17 stsp got_object_parse_tag(struct got_tag_object **tag, uint8_t *buf, size_t len)
783 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
784 f4a881ce 2018-11-17 stsp size_t remain = len;
785 f4a881ce 2018-11-17 stsp char *s = buf;
786 ff2a4428 2019-03-19 stsp size_t label_len;
788 4793d91b 2019-09-22 stsp if (remain == 0)
789 4793d91b 2019-09-22 stsp return got_error(GOT_ERR_BAD_OBJ_DATA);
791 f4a881ce 2018-11-17 stsp *tag = calloc(1, sizeof(**tag));
792 f4a881ce 2018-11-17 stsp if (*tag == NULL)
793 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
795 ff2a4428 2019-03-19 stsp label_len = strlen(GOT_TAG_LABEL_OBJECT);
796 ff2a4428 2019-03-19 stsp if (strncmp(s, GOT_TAG_LABEL_OBJECT, label_len) == 0) {
797 ff2a4428 2019-03-19 stsp remain -= label_len;
798 f4a881ce 2018-11-17 stsp if (remain < SHA1_DIGEST_STRING_LENGTH) {
799 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
802 ff2a4428 2019-03-19 stsp s += label_len;
803 f4a881ce 2018-11-17 stsp if (!got_parse_sha1_digest((*tag)->id.sha1, s)) {
804 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
807 f4a881ce 2018-11-17 stsp remain -= SHA1_DIGEST_STRING_LENGTH;
808 f4a881ce 2018-11-17 stsp s += SHA1_DIGEST_STRING_LENGTH;
810 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
814 f4a881ce 2018-11-17 stsp if (remain <= 0) {
815 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
819 ff2a4428 2019-03-19 stsp label_len = strlen(GOT_TAG_LABEL_TYPE);
820 ff2a4428 2019-03-19 stsp if (strncmp(s, GOT_TAG_LABEL_TYPE, label_len) == 0) {
821 ff2a4428 2019-03-19 stsp remain -= label_len;
822 f4a881ce 2018-11-17 stsp if (remain <= 0) {
823 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
826 ff2a4428 2019-03-19 stsp s += label_len;
827 ff2a4428 2019-03-19 stsp if (strncmp(s, GOT_OBJ_LABEL_COMMIT,
828 ff2a4428 2019-03-19 stsp strlen(GOT_OBJ_LABEL_COMMIT)) == 0) {
829 f4a881ce 2018-11-17 stsp (*tag)->obj_type = GOT_OBJ_TYPE_COMMIT;
830 ff2a4428 2019-03-19 stsp label_len = strlen(GOT_OBJ_LABEL_COMMIT);
831 ff2a4428 2019-03-19 stsp s += label_len;
832 ff2a4428 2019-03-19 stsp remain -= label_len;
833 ff2a4428 2019-03-19 stsp } else if (strncmp(s, GOT_OBJ_LABEL_TREE,
834 ff2a4428 2019-03-19 stsp strlen(GOT_OBJ_LABEL_TREE)) == 0) {
835 f4a881ce 2018-11-17 stsp (*tag)->obj_type = GOT_OBJ_TYPE_TREE;
836 ff2a4428 2019-03-19 stsp label_len = strlen(GOT_OBJ_LABEL_TREE);
837 ff2a4428 2019-03-19 stsp s += label_len;
838 ff2a4428 2019-03-19 stsp remain -= label_len;
839 ff2a4428 2019-03-19 stsp } else if (strncmp(s, GOT_OBJ_LABEL_BLOB,
840 ff2a4428 2019-03-19 stsp strlen(GOT_OBJ_LABEL_BLOB)) == 0) {
841 f4a881ce 2018-11-17 stsp (*tag)->obj_type = GOT_OBJ_TYPE_BLOB;
842 ff2a4428 2019-03-19 stsp label_len = strlen(GOT_OBJ_LABEL_BLOB);
843 ff2a4428 2019-03-19 stsp s += label_len;
844 ff2a4428 2019-03-19 stsp remain -= label_len;
845 ff2a4428 2019-03-19 stsp } else if (strncmp(s, GOT_OBJ_LABEL_TAG,
846 ff2a4428 2019-03-19 stsp strlen(GOT_OBJ_LABEL_TAG)) == 0) {
847 f4a881ce 2018-11-17 stsp (*tag)->obj_type = GOT_OBJ_TYPE_TAG;
848 ff2a4428 2019-03-19 stsp label_len = strlen(GOT_OBJ_LABEL_TAG);
849 ff2a4428 2019-03-19 stsp s += label_len;
850 ff2a4428 2019-03-19 stsp remain -= label_len;
852 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
856 f4a881ce 2018-11-17 stsp if (remain <= 0 || *s != '\n') {
857 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
862 f4a881ce 2018-11-17 stsp if (remain <= 0) {
863 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
867 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
871 ff2a4428 2019-03-19 stsp label_len = strlen(GOT_TAG_LABEL_TAG);
872 ff2a4428 2019-03-19 stsp if (strncmp(s, GOT_TAG_LABEL_TAG, label_len) == 0) {
874 f4a881ce 2018-11-17 stsp size_t slen;
875 ff2a4428 2019-03-19 stsp remain -= label_len;
876 f4a881ce 2018-11-17 stsp if (remain <= 0) {
877 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
880 ff2a4428 2019-03-19 stsp s += label_len;
881 dedbbd9d 2019-04-13 stsp p = memchr(s, '\n', remain);
882 f4a881ce 2018-11-17 stsp if (p == NULL) {
883 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
887 f4a881ce 2018-11-17 stsp slen = strlen(s);
888 f4a881ce 2018-11-17 stsp (*tag)->tag = strndup(s, slen);
889 f4a881ce 2018-11-17 stsp if ((*tag)->tag == NULL) {
890 638f9024 2019-05-13 stsp err = got_error_from_errno("strndup");
893 f4a881ce 2018-11-17 stsp s += slen + 1;
894 f4a881ce 2018-11-17 stsp remain -= slen + 1;
895 f4a881ce 2018-11-17 stsp if (remain <= 0) {
896 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
900 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
904 ff2a4428 2019-03-19 stsp label_len = strlen(GOT_TAG_LABEL_TAGGER);
905 ff2a4428 2019-03-19 stsp if (strncmp(s, GOT_TAG_LABEL_TAGGER, label_len) == 0) {
907 f4a881ce 2018-11-17 stsp size_t slen;
909 ff2a4428 2019-03-19 stsp remain -= label_len;
910 f4a881ce 2018-11-17 stsp if (remain <= 0) {
911 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
914 ff2a4428 2019-03-19 stsp s += label_len;
915 dedbbd9d 2019-04-13 stsp p = memchr(s, '\n', remain);
916 f4a881ce 2018-11-17 stsp if (p == NULL) {
917 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
921 f4a881ce 2018-11-17 stsp slen = strlen(s);
922 f4a881ce 2018-11-17 stsp err = parse_commit_time(&(*tag)->tagger_time,
923 f4a881ce 2018-11-17 stsp &(*tag)->tagger_gmtoff, s);
926 f4a881ce 2018-11-17 stsp (*tag)->tagger = strdup(s);
927 f4a881ce 2018-11-17 stsp if ((*tag)->tagger == NULL) {
928 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
931 f4a881ce 2018-11-17 stsp s += slen + 1;
932 f4a881ce 2018-11-17 stsp remain -= slen + 1;
933 5a8b373c 2020-12-18 stsp if (remain < 0) {
934 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
938 e0e55b50 2019-02-01 stsp /* Some old tags in the Linux git repo have no tagger. */
939 e0e55b50 2019-02-01 stsp (*tag)->tagger = strdup("");
940 e0e55b50 2019-02-01 stsp if ((*tag)->tagger == NULL) {
941 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
946 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = strndup(s, remain);
947 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
948 638f9024 2019-05-13 stsp err = got_error_from_errno("strndup");
953 f4a881ce 2018-11-17 stsp got_object_tag_close(*tag);
954 f4a881ce 2018-11-17 stsp *tag = NULL;
956 f4a881ce 2018-11-17 stsp return err;
959 f4a881ce 2018-11-17 stsp const struct got_error *
960 ad242220 2018-09-08 stsp got_read_file_to_mem(uint8_t **outbuf, size_t *outlen, FILE *f)
962 a440fac0 2018-09-06 stsp const struct got_error *err = NULL;
963 a440fac0 2018-09-06 stsp static const size_t blocksize = 512;
964 a440fac0 2018-09-06 stsp size_t n, total, remain;
965 a440fac0 2018-09-06 stsp uint8_t *buf;
967 a440fac0 2018-09-06 stsp *outbuf = NULL;
968 a440fac0 2018-09-06 stsp *outlen = 0;
970 a440fac0 2018-09-06 stsp buf = malloc(blocksize);
971 a440fac0 2018-09-06 stsp if (buf == NULL)
972 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
974 a440fac0 2018-09-06 stsp remain = blocksize;
977 a440fac0 2018-09-06 stsp if (remain == 0) {
978 a440fac0 2018-09-06 stsp uint8_t *newbuf;
979 a440fac0 2018-09-06 stsp newbuf = reallocarray(buf, 1, total + blocksize);
980 a440fac0 2018-09-06 stsp if (newbuf == NULL) {
981 638f9024 2019-05-13 stsp err = got_error_from_errno("reallocarray");
984 a440fac0 2018-09-06 stsp buf = newbuf;
985 a440fac0 2018-09-06 stsp remain += blocksize;
987 a440fac0 2018-09-06 stsp n = fread(buf + total, 1, remain, f);
988 a440fac0 2018-09-06 stsp if (n == 0) {
989 a440fac0 2018-09-06 stsp if (ferror(f)) {
990 a440fac0 2018-09-06 stsp err = got_ferror(f, GOT_ERR_IO);
993 a440fac0 2018-09-06 stsp break; /* EOF */
995 a440fac0 2018-09-06 stsp remain -= n;
996 a440fac0 2018-09-06 stsp total += n;
1000 a440fac0 2018-09-06 stsp if (err == NULL) {
1001 a440fac0 2018-09-06 stsp *outbuf = buf;
1002 a440fac0 2018-09-06 stsp *outlen = total;
1004 a440fac0 2018-09-06 stsp free(buf);
1005 ad242220 2018-09-08 stsp return err;
