2 a1fd68d8 2018-01-12 stsp * Copyright (c) 2018 Stefan Sperling <stsp@openbsd.org>
4 d71d75ad 2017-11-05 stsp * Permission to use, copy, modify, and distribute this software for any
5 d71d75ad 2017-11-05 stsp * purpose with or without fee is hereby granted, provided that the above
6 d71d75ad 2017-11-05 stsp * copyright notice and this permission notice appear in all copies.
8 d71d75ad 2017-11-05 stsp * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 d71d75ad 2017-11-05 stsp * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 d71d75ad 2017-11-05 stsp * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 d71d75ad 2017-11-05 stsp * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 d71d75ad 2017-11-05 stsp * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 d71d75ad 2017-11-05 stsp * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 d71d75ad 2017-11-05 stsp * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 2178c42e 2018-04-22 stsp #include <sys/types.h>
18 0ffeb3c2 2017-11-26 stsp #include <sys/stat.h>
19 d1cda826 2017-11-06 stsp #include <sys/queue.h>
20 2178c42e 2018-04-22 stsp #include <sys/uio.h>
21 2178c42e 2018-04-22 stsp #include <sys/socket.h>
22 2178c42e 2018-04-22 stsp #include <sys/wait.h>
23 876c234b 2018-09-10 stsp #include <sys/syslimits.h>
25 a1fd68d8 2018-01-12 stsp #include <errno.h>
26 2178c42e 2018-04-22 stsp #include <fcntl.h>
27 d71d75ad 2017-11-05 stsp #include <stdio.h>
28 ab9a70b2 2017-11-06 stsp #include <stdlib.h>
29 ab9a70b2 2017-11-06 stsp #include <string.h>
30 2178c42e 2018-04-22 stsp #include <stdint.h>
31 d71d75ad 2017-11-05 stsp #include <sha1.h>
32 ab9a70b2 2017-11-06 stsp #include <zlib.h>
33 ab9a70b2 2017-11-06 stsp #include <ctype.h>
34 ab9a70b2 2017-11-06 stsp #include <limits.h>
35 2178c42e 2018-04-22 stsp #include <imsg.h>
36 788c352e 2018-06-16 stsp #include <time.h>
38 ab9a70b2 2017-11-06 stsp #include "got_error.h"
39 d71d75ad 2017-11-05 stsp #include "got_object.h"
40 ab9a70b2 2017-11-06 stsp #include "got_repository.h"
41 511a516b 2018-05-19 stsp #include "got_opentemp.h"
43 718b3ab0 2018-03-17 stsp #include "got_lib_sha1.h"
44 718b3ab0 2018-03-17 stsp #include "got_lib_delta.h"
45 2178c42e 2018-04-22 stsp #include "got_lib_path.h"
46 63581804 2018-07-09 stsp #include "got_lib_inflate.h"
47 718b3ab0 2018-03-17 stsp #include "got_lib_object.h"
48 2178c42e 2018-04-22 stsp #include "got_lib_privsep.h"
49 6bef87be 2018-09-11 stsp #include "got_lib_object_idcache.h"
50 6bef87be 2018-09-11 stsp #include "got_lib_object_cache.h"
51 ad242220 2018-09-08 stsp #include "got_lib_object_parse.h"
52 15a94983 2018-12-23 stsp #include "got_lib_pack.h"
53 7bb0daa1 2018-06-21 stsp #include "got_lib_repository.h"
56 ab9a70b2 2017-11-06 stsp #define MIN(_a,_b) ((_a) < (_b) ? (_a) : (_b))
59 8bf5b3c9 2018-03-17 stsp struct got_object_id *
60 8bf5b3c9 2018-03-17 stsp got_object_id_dup(struct got_object_id *id1)
62 8bf5b3c9 2018-03-17 stsp struct got_object_id *id2;
64 8bf5b3c9 2018-03-17 stsp id2 = malloc(sizeof(*id2));
65 8bf5b3c9 2018-03-17 stsp if (id2 == NULL)
66 8bf5b3c9 2018-03-17 stsp return NULL;
67 8bf5b3c9 2018-03-17 stsp memcpy(id2, id1, sizeof(*id2));
71 3235492e 2018-04-01 stsp struct got_object_id *
72 3235492e 2018-04-01 stsp got_object_get_id(struct got_object *obj)
74 6402fb3c 2018-09-15 stsp return &obj->id;
77 bacc9935 2018-05-20 stsp const struct got_error *
78 bacc9935 2018-05-20 stsp got_object_get_id_str(char **outbuf, struct got_object *obj)
80 bacc9935 2018-05-20 stsp return got_object_id_str(outbuf, &obj->id);
83 15a94983 2018-12-23 stsp const struct got_error *
84 15a94983 2018-12-23 stsp got_object_get_type(int *type, struct got_repository *repo,
85 15a94983 2018-12-23 stsp struct got_object_id *id)
87 15a94983 2018-12-23 stsp const struct got_error *err = NULL;
88 15a94983 2018-12-23 stsp struct got_object *obj;
90 15a94983 2018-12-23 stsp err = got_object_open(&obj, repo, id);
94 b107e67f 2018-01-19 stsp switch (obj->type) {
95 a1fd68d8 2018-01-12 stsp case GOT_OBJ_TYPE_COMMIT:
96 a1fd68d8 2018-01-12 stsp case GOT_OBJ_TYPE_TREE:
97 a1fd68d8 2018-01-12 stsp case GOT_OBJ_TYPE_BLOB:
98 b107e67f 2018-01-19 stsp case GOT_OBJ_TYPE_TAG:
99 15a94983 2018-12-23 stsp *type = obj->type;
102 15a94983 2018-12-23 stsp err = got_error(GOT_ERR_OBJ_TYPE);
106 15a94983 2018-12-23 stsp got_object_close(obj);
107 15a94983 2018-12-23 stsp return err;
110 ab9a70b2 2017-11-06 stsp static const struct got_error *
111 4558fcd4 2018-01-14 stsp object_path(char **path, struct got_object_id *id, struct got_repository *repo)
113 ab9a70b2 2017-11-06 stsp const struct got_error *err = NULL;
114 7a132809 2018-07-23 stsp char *hex = NULL;
115 d1cda826 2017-11-06 stsp char *path_objects = got_repo_get_path_objects(repo);
117 e6b1056e 2018-04-22 stsp *path = NULL;
119 ab9a70b2 2017-11-06 stsp if (path_objects == NULL)
120 0a585a0d 2018-03-17 stsp return got_error_from_errno();
122 ef0981d5 2018-02-12 stsp err = got_object_id_str(&hex, id);
126 d1cda826 2017-11-06 stsp if (asprintf(path, "%s/%.2x/%s", path_objects,
127 d1cda826 2017-11-06 stsp id->sha1[0], hex + 2) == -1)
128 0a585a0d 2018-03-17 stsp err = got_error_from_errno();
132 d1cda826 2017-11-06 stsp free(path_objects);
133 d1cda826 2017-11-06 stsp return err;
136 4ee4114f 2018-01-23 stsp static const struct got_error *
137 4796fb13 2018-12-23 stsp open_loose_object(int *fd, struct got_object_id *id,
138 4796fb13 2018-12-23 stsp struct got_repository *repo)
140 d1cda826 2017-11-06 stsp const struct got_error *err = NULL;
141 a1fd68d8 2018-01-12 stsp char *path;
143 4796fb13 2018-12-23 stsp err = object_path(&path, id, repo);
145 d1cda826 2017-11-06 stsp return err;
146 d5003b79 2018-04-22 stsp *fd = open(path, O_RDONLY | O_NOFOLLOW, GOT_DEFAULT_FILE_MODE);
147 d5003b79 2018-04-22 stsp if (*fd == -1) {
148 6c00b545 2018-01-17 stsp err = got_error_from_errno();
152 4558fcd4 2018-01-14 stsp free(path);
153 2090a03d 2018-09-09 stsp return err;
156 2090a03d 2018-09-09 stsp static const struct got_error *
157 2090a03d 2018-09-09 stsp get_packfile_path(char **path_packfile, struct got_packidx *packidx)
159 2090a03d 2018-09-09 stsp size_t size;
161 2090a03d 2018-09-09 stsp /* Packfile path contains ".pack" instead of ".idx", so add one byte. */
162 2090a03d 2018-09-09 stsp size = strlen(packidx->path_packidx) + 2;
163 2090a03d 2018-09-09 stsp if (size < GOT_PACKFILE_NAMELEN + 1)
164 2090a03d 2018-09-09 stsp return got_error(GOT_ERR_BAD_PATH);
166 08451938 2018-11-05 stsp *path_packfile = malloc(size);
167 2090a03d 2018-09-09 stsp if (*path_packfile == NULL)
168 2090a03d 2018-09-09 stsp return got_error_from_errno();
170 2090a03d 2018-09-09 stsp /* Copy up to and excluding ".idx". */
171 2090a03d 2018-09-09 stsp if (strlcpy(*path_packfile, packidx->path_packidx,
172 2090a03d 2018-09-09 stsp size - strlen(GOT_PACKIDX_SUFFIX) - 1) >= size)
173 2090a03d 2018-09-09 stsp return got_error(GOT_ERR_NO_SPACE);
175 2090a03d 2018-09-09 stsp if (strlcat(*path_packfile, GOT_PACKFILE_SUFFIX, size) >= size)
176 2090a03d 2018-09-09 stsp return got_error(GOT_ERR_NO_SPACE);
178 2090a03d 2018-09-09 stsp return NULL;
181 2090a03d 2018-09-09 stsp static const struct got_error *
182 2090a03d 2018-09-09 stsp open_packed_object(struct got_object **obj, struct got_object_id *id,
183 2090a03d 2018-09-09 stsp struct got_repository *repo)
185 2090a03d 2018-09-09 stsp const struct got_error *err = NULL;
186 2090a03d 2018-09-09 stsp struct got_pack *pack = NULL;
187 2090a03d 2018-09-09 stsp struct got_packidx *packidx = NULL;
189 2090a03d 2018-09-09 stsp char *path_packfile;
191 2090a03d 2018-09-09 stsp err = got_repo_search_packidx(&packidx, &idx, repo, id);
193 2090a03d 2018-09-09 stsp return err;
195 2090a03d 2018-09-09 stsp err = get_packfile_path(&path_packfile, packidx);
197 2090a03d 2018-09-09 stsp return err;
199 2090a03d 2018-09-09 stsp pack = got_repo_get_cached_pack(repo, path_packfile);
200 2090a03d 2018-09-09 stsp if (pack == NULL) {
201 2090a03d 2018-09-09 stsp err = got_repo_cache_pack(&pack, repo, path_packfile, packidx);
206 876c234b 2018-09-10 stsp err = got_object_packed_read_privsep(obj, repo, pack, packidx, idx, id);
210 2090a03d 2018-09-09 stsp err = got_repo_cache_pack(NULL, repo, (*obj)->path_packfile, packidx);
212 2090a03d 2018-09-09 stsp free(path_packfile);
213 4558fcd4 2018-01-14 stsp return err;
216 4558fcd4 2018-01-14 stsp const struct got_error *
217 4558fcd4 2018-01-14 stsp got_object_open(struct got_object **obj, struct got_repository *repo,
218 4558fcd4 2018-01-14 stsp struct got_object_id *id)
220 6c00b545 2018-01-17 stsp const struct got_error *err = NULL;
221 6c00b545 2018-01-17 stsp char *path;
224 7bb0daa1 2018-06-21 stsp *obj = got_repo_get_cached_object(repo, id);
225 7bb0daa1 2018-06-21 stsp if (*obj != NULL) {
226 7bb0daa1 2018-06-21 stsp (*obj)->refcnt++;
227 7bb0daa1 2018-06-21 stsp return NULL;
230 59790a32 2018-09-15 stsp err = open_packed_object(obj, id, repo);
231 59790a32 2018-09-15 stsp if (err && err->code != GOT_ERR_NO_OBJ)
232 59790a32 2018-09-15 stsp return err;
233 59790a32 2018-09-15 stsp if (*obj) {
234 59790a32 2018-09-15 stsp (*obj)->refcnt++;
235 59790a32 2018-09-15 stsp return got_repo_cache_object(repo, id, *obj);
238 6c00b545 2018-01-17 stsp err = object_path(&path, id, repo);
240 4558fcd4 2018-01-14 stsp return err;
242 2178c42e 2018-04-22 stsp fd = open(path, O_RDONLY | O_NOFOLLOW, GOT_DEFAULT_FILE_MODE);
243 2178c42e 2018-04-22 stsp if (fd == -1) {
244 59790a32 2018-09-15 stsp if (errno == ENOENT)
245 91a3d81f 2018-11-11 stsp err = got_error_no_obj(id);
247 6c00b545 2018-01-17 stsp err = got_error_from_errno();
250 ad242220 2018-09-08 stsp err = got_object_read_header_privsep(obj, repo, fd);
253 ab9a70b2 2017-11-06 stsp memcpy((*obj)->id.sha1, id->sha1, SHA1_DIGEST_LENGTH);
256 59790a32 2018-09-15 stsp (*obj)->refcnt++;
257 59790a32 2018-09-15 stsp err = got_repo_cache_object(repo, id, *obj);
259 6c00b545 2018-01-17 stsp free(path);
260 2178c42e 2018-04-22 stsp if (fd != -1)
262 ab9a70b2 2017-11-06 stsp return err;
266 6dfa2fd3 2018-02-12 stsp const struct got_error *
267 6dfa2fd3 2018-02-12 stsp got_object_open_by_id_str(struct got_object **obj, struct got_repository *repo,
268 6dfa2fd3 2018-02-12 stsp const char *id_str)
270 6dfa2fd3 2018-02-12 stsp struct got_object_id id;
272 6dfa2fd3 2018-02-12 stsp if (!got_parse_sha1_digest(id.sha1, id_str))
273 6dfa2fd3 2018-02-12 stsp return got_error(GOT_ERR_BAD_OBJ_ID_STR);
275 6dfa2fd3 2018-02-12 stsp return got_object_open(obj, repo, &id);
278 15a94983 2018-12-23 stsp const struct got_error *
279 15a94983 2018-12-23 stsp got_object_resolve_id_str(struct got_object_id **id,
280 15a94983 2018-12-23 stsp struct got_repository *repo, const char *id_str)
282 15a94983 2018-12-23 stsp const struct got_error *err = NULL;
283 15a94983 2018-12-23 stsp struct got_object *obj;
285 15a94983 2018-12-23 stsp err = got_object_open_by_id_str(&obj, repo, id_str);
287 15a94983 2018-12-23 stsp return err;
289 15a94983 2018-12-23 stsp *id = got_object_id_dup(got_object_get_id(obj));
290 15a94983 2018-12-23 stsp got_object_close(obj);
291 15a94983 2018-12-23 stsp if (*id == NULL)
292 15a94983 2018-12-23 stsp return got_error_from_errno();
294 15a94983 2018-12-23 stsp return NULL;
297 434025f3 2018-09-16 stsp static const struct got_error *
298 434025f3 2018-09-16 stsp open_commit(struct got_commit_object **commit,
299 1785f84a 2018-12-23 stsp struct got_repository *repo, struct got_object_id *id, int check_cache)
301 434025f3 2018-09-16 stsp const struct got_error *err = NULL;
302 1785f84a 2018-12-23 stsp struct got_packidx *packidx = NULL;
304 1785f84a 2018-12-23 stsp char *path_packfile;
306 434025f3 2018-09-16 stsp if (check_cache) {
307 1785f84a 2018-12-23 stsp *commit = got_repo_get_cached_commit(repo, id);
308 434025f3 2018-09-16 stsp if (*commit != NULL) {
309 434025f3 2018-09-16 stsp (*commit)->refcnt++;
310 434025f3 2018-09-16 stsp return NULL;
313 434025f3 2018-09-16 stsp *commit = NULL;
315 1785f84a 2018-12-23 stsp err = got_repo_search_packidx(&packidx, &idx, repo, id);
316 1785f84a 2018-12-23 stsp if (err == NULL) {
317 1785f84a 2018-12-23 stsp struct got_pack *pack = NULL;
319 1785f84a 2018-12-23 stsp err = get_packfile_path(&path_packfile, packidx);
321 1785f84a 2018-12-23 stsp return err;
323 1785f84a 2018-12-23 stsp pack = got_repo_get_cached_pack(repo, path_packfile);
324 434025f3 2018-09-16 stsp if (pack == NULL) {
325 1785f84a 2018-12-23 stsp err = got_repo_cache_pack(&pack, repo, path_packfile,
328 434025f3 2018-09-16 stsp return err;
330 1785f84a 2018-12-23 stsp err = got_object_read_packed_commit_privsep(commit, pack,
331 1785f84a 2018-12-23 stsp packidx, idx, id);
332 1785f84a 2018-12-23 stsp } else if (err->code == GOT_ERR_NO_OBJ) {
335 1785f84a 2018-12-23 stsp err = open_loose_object(&fd, id, repo);
337 434025f3 2018-09-16 stsp return err;
338 1785f84a 2018-12-23 stsp err = got_object_read_commit_privsep(commit, fd, repo);
342 434025f3 2018-09-16 stsp if (err == NULL) {
343 434025f3 2018-09-16 stsp (*commit)->refcnt++;
344 1785f84a 2018-12-23 stsp err = got_repo_cache_commit(repo, id, *commit);
347 e32baab7 2018-11-05 stsp return err;
350 e32baab7 2018-11-05 stsp const struct got_error *
351 e32baab7 2018-11-05 stsp got_object_open_as_commit(struct got_commit_object **commit,
352 e32baab7 2018-11-05 stsp struct got_repository *repo, struct got_object_id *id)
354 e32baab7 2018-11-05 stsp *commit = got_repo_get_cached_commit(repo, id);
355 e32baab7 2018-11-05 stsp if (*commit != NULL) {
356 e32baab7 2018-11-05 stsp (*commit)->refcnt++;
357 e32baab7 2018-11-05 stsp return NULL;
360 1785f84a 2018-12-23 stsp return open_commit(commit, repo, id, 0);
363 e32baab7 2018-11-05 stsp const struct got_error *
364 e32baab7 2018-11-05 stsp got_object_commit_open(struct got_commit_object **commit,
365 e32baab7 2018-11-05 stsp struct got_repository *repo, struct got_object *obj)
367 1785f84a 2018-12-23 stsp return open_commit(commit, repo, got_object_get_id(obj), 1);
370 434025f3 2018-09-16 stsp const struct got_error *
371 dbc6a6b6 2018-07-12 stsp got_object_qid_alloc(struct got_object_qid **qid, struct got_object_id *id)
373 dbc6a6b6 2018-07-12 stsp const struct got_error *err = NULL;
375 dbc6a6b6 2018-07-12 stsp *qid = calloc(1, sizeof(**qid));
376 dbc6a6b6 2018-07-12 stsp if (*qid == NULL)
377 dbc6a6b6 2018-07-12 stsp return got_error_from_errno();
379 dbc6a6b6 2018-07-12 stsp (*qid)->id = got_object_id_dup(id);
380 dbc6a6b6 2018-07-12 stsp if ((*qid)->id == NULL) {
381 dbc6a6b6 2018-07-12 stsp err = got_error_from_errno();
382 fa2f6902 2018-07-23 stsp got_object_qid_free(*qid);
383 dbc6a6b6 2018-07-12 stsp *qid = NULL;
384 dbc6a6b6 2018-07-12 stsp return err;
387 dbc6a6b6 2018-07-12 stsp return NULL;
390 71eb0e7f 2018-09-16 stsp static const struct got_error *
391 71eb0e7f 2018-09-16 stsp open_tree(struct got_tree_object **tree,
392 71eb0e7f 2018-09-16 stsp struct got_repository *repo, struct got_object *obj, int check_cache)
394 0ffeb3c2 2017-11-26 stsp const struct got_error *err = NULL;
396 71eb0e7f 2018-09-16 stsp if (check_cache) {
397 71eb0e7f 2018-09-16 stsp *tree = got_repo_get_cached_tree(repo, &obj->id);
398 71eb0e7f 2018-09-16 stsp if (*tree != NULL) {
399 71eb0e7f 2018-09-16 stsp (*tree)->refcnt++;
400 71eb0e7f 2018-09-16 stsp return NULL;
403 71eb0e7f 2018-09-16 stsp *tree = NULL;
405 0ffeb3c2 2017-11-26 stsp if (obj->type != GOT_OBJ_TYPE_TREE)
406 0ffeb3c2 2017-11-26 stsp return got_error(GOT_ERR_OBJ_TYPE);
408 e0ab43e7 2018-03-16 stsp if (obj->flags & GOT_OBJ_FLAG_PACKED) {
409 e7885405 2018-09-10 stsp struct got_pack *pack;
410 e7885405 2018-09-10 stsp pack = got_repo_get_cached_pack(repo, obj->path_packfile);
411 e7885405 2018-09-10 stsp if (pack == NULL) {
412 e7885405 2018-09-10 stsp err = got_repo_cache_pack(&pack, repo,
413 e7885405 2018-09-10 stsp obj->path_packfile, NULL);
415 e7885405 2018-09-10 stsp return err;
417 e7885405 2018-09-10 stsp err = got_object_read_packed_tree_privsep(tree, obj, pack);
420 4796fb13 2018-12-23 stsp err = open_loose_object(&fd, got_object_get_id(obj), repo);
422 e0ab43e7 2018-03-16 stsp return err;
423 ad242220 2018-09-08 stsp err = got_object_read_tree_privsep(tree, obj, fd, repo);
427 f6be5c30 2018-06-22 stsp if (err == NULL) {
428 f6be5c30 2018-06-22 stsp (*tree)->refcnt++;
429 f6be5c30 2018-06-22 stsp err = got_repo_cache_tree(repo, &obj->id, *tree);
432 776d4d29 2018-06-17 stsp return err;
435 776d4d29 2018-06-17 stsp const struct got_error *
436 776d4d29 2018-06-17 stsp got_object_open_as_tree(struct got_tree_object **tree,
437 776d4d29 2018-06-17 stsp struct got_repository *repo, struct got_object_id *id)
439 776d4d29 2018-06-17 stsp const struct got_error *err;
440 776d4d29 2018-06-17 stsp struct got_object *obj;
442 e8eb494a 2018-09-16 stsp *tree = got_repo_get_cached_tree(repo, id);
443 e8eb494a 2018-09-16 stsp if (*tree != NULL) {
444 e8eb494a 2018-09-16 stsp (*tree)->refcnt++;
445 e8eb494a 2018-09-16 stsp return NULL;
448 776d4d29 2018-06-17 stsp err = got_object_open(&obj, repo, id);
450 776d4d29 2018-06-17 stsp return err;
451 15a94983 2018-12-23 stsp if (obj->type != GOT_OBJ_TYPE_TREE) {
452 776d4d29 2018-06-17 stsp err = got_error(GOT_ERR_OBJ_TYPE);
456 71eb0e7f 2018-09-16 stsp err = open_tree(tree, repo, obj, 0);
458 776d4d29 2018-06-17 stsp got_object_close(obj);
459 0ffeb3c2 2017-11-26 stsp return err;
462 71eb0e7f 2018-09-16 stsp const struct got_error *
463 71eb0e7f 2018-09-16 stsp got_object_tree_open(struct got_tree_object **tree,
464 71eb0e7f 2018-09-16 stsp struct got_repository *repo, struct got_object *obj)
466 71eb0e7f 2018-09-16 stsp return open_tree(tree, repo, obj, 1);
469 883f0469 2018-06-23 stsp const struct got_tree_entries *
470 883f0469 2018-06-23 stsp got_object_tree_get_entries(struct got_tree_object *tree)
472 883f0469 2018-06-23 stsp return &tree->entries;
475 3840f4c9 2018-09-12 stsp static const struct got_error *
476 3840f4c9 2018-09-12 stsp read_packed_blob_privsep(size_t *size, int outfd, struct got_object *obj,
477 3840f4c9 2018-09-12 stsp struct got_pack *pack)
479 3840f4c9 2018-09-12 stsp const struct got_error *err = NULL;
480 3840f4c9 2018-09-12 stsp int outfd_child;
481 3840f4c9 2018-09-12 stsp int basefd, accumfd; /* temporary files for delta application */
483 3840f4c9 2018-09-12 stsp basefd = got_opentempfd();
484 3840f4c9 2018-09-12 stsp if (basefd == -1)
485 3840f4c9 2018-09-12 stsp return got_error_from_errno();
486 3840f4c9 2018-09-12 stsp accumfd = got_opentempfd();
487 3840f4c9 2018-09-12 stsp if (accumfd == -1)
488 3840f4c9 2018-09-12 stsp return got_error_from_errno();
490 3840f4c9 2018-09-12 stsp outfd_child = dup(outfd);
491 3840f4c9 2018-09-12 stsp if (outfd_child == -1)
492 3840f4c9 2018-09-12 stsp return got_error_from_errno();
494 3840f4c9 2018-09-12 stsp err = got_privsep_send_obj_req(pack->privsep_child->ibuf, -1, obj);
496 3840f4c9 2018-09-12 stsp return err;
498 3840f4c9 2018-09-12 stsp err = got_privsep_send_blob_outfd(pack->privsep_child->ibuf,
499 3840f4c9 2018-09-12 stsp outfd_child);
501 3840f4c9 2018-09-12 stsp close(outfd_child);
502 3840f4c9 2018-09-12 stsp return err;
504 3840f4c9 2018-09-12 stsp err = got_privsep_send_tmpfd(pack->privsep_child->ibuf,
507 3840f4c9 2018-09-12 stsp close(basefd);
508 3840f4c9 2018-09-12 stsp close(accumfd);
509 3840f4c9 2018-09-12 stsp close(outfd_child);
510 3840f4c9 2018-09-12 stsp return err;
513 3840f4c9 2018-09-12 stsp err = got_privsep_send_tmpfd(pack->privsep_child->ibuf,
516 3840f4c9 2018-09-12 stsp close(accumfd);
517 3840f4c9 2018-09-12 stsp close(outfd_child);
518 3840f4c9 2018-09-12 stsp return err;
521 3840f4c9 2018-09-12 stsp err = got_privsep_recv_blob(size, pack->privsep_child->ibuf);
523 3840f4c9 2018-09-12 stsp return err;
525 3840f4c9 2018-09-12 stsp if (lseek(outfd, SEEK_SET, 0) == -1)
526 3840f4c9 2018-09-12 stsp err = got_error_from_errno();
528 3840f4c9 2018-09-12 stsp return err;
531 68482ea3 2017-11-27 stsp const struct got_error *
532 68482ea3 2017-11-27 stsp got_object_blob_open(struct got_blob_object **blob,
533 68482ea3 2017-11-27 stsp struct got_repository *repo, struct got_object *obj, size_t blocksize)
535 68482ea3 2017-11-27 stsp const struct got_error *err = NULL;
537 55da3778 2018-09-10 stsp size_t size;
538 55da3778 2018-09-10 stsp struct stat sb;
540 68482ea3 2017-11-27 stsp if (obj->type != GOT_OBJ_TYPE_BLOB)
541 68482ea3 2017-11-27 stsp return got_error(GOT_ERR_OBJ_TYPE);
543 7d283eee 2017-11-29 stsp if (blocksize < obj->hdrlen)
544 7d283eee 2017-11-29 stsp return got_error(GOT_ERR_NO_SPACE);
546 68482ea3 2017-11-27 stsp *blob = calloc(1, sizeof(**blob));
547 4558fcd4 2018-01-14 stsp if (*blob == NULL)
548 0a585a0d 2018-03-17 stsp return got_error_from_errno();
550 55da3778 2018-09-10 stsp outfd = got_opentempfd();
551 55da3778 2018-09-10 stsp if (outfd == -1)
552 55da3778 2018-09-10 stsp return got_error_from_errno();
554 062ebb78 2018-07-12 stsp (*blob)->read_buf = malloc(blocksize);
555 15c8b0e6 2018-04-24 stsp if ((*blob)->read_buf == NULL) {
556 15c8b0e6 2018-04-24 stsp err = got_error_from_errno();
559 eb651edf 2018-02-11 stsp if (obj->flags & GOT_OBJ_FLAG_PACKED) {
560 55da3778 2018-09-10 stsp struct got_pack *pack;
561 55da3778 2018-09-10 stsp pack = got_repo_get_cached_pack(repo, obj->path_packfile);
562 55da3778 2018-09-10 stsp if (pack == NULL) {
563 55da3778 2018-09-10 stsp err = got_repo_cache_pack(&pack, repo,
564 55da3778 2018-09-10 stsp obj->path_packfile, NULL);
568 3840f4c9 2018-09-12 stsp err = read_packed_blob_privsep(&size, outfd, obj, pack);
571 55da3778 2018-09-10 stsp obj->size = size;
575 4796fb13 2018-12-23 stsp err = open_loose_object(&infd, got_object_get_id(obj), repo);
579 ad242220 2018-09-08 stsp err = got_object_read_blob_privsep(&size, outfd, infd, repo);
580 3aca5731 2018-04-24 stsp close(infd);
584 2967a784 2018-04-24 stsp if (size != obj->hdrlen + obj->size) {
585 1a6b3ab7 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
590 55da3778 2018-09-10 stsp if (fstat(outfd, &sb) == -1) {
591 55da3778 2018-09-10 stsp err = got_error_from_errno();
595 55da3778 2018-09-10 stsp if (sb.st_size != obj->hdrlen + obj->size) {
596 55da3778 2018-09-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
600 55da3778 2018-09-10 stsp (*blob)->f = fdopen(outfd, "rb");
601 55da3778 2018-09-10 stsp if ((*blob)->f == NULL) {
602 55da3778 2018-09-10 stsp err = got_error_from_errno();
603 55da3778 2018-09-10 stsp close(outfd);
607 7d283eee 2017-11-29 stsp (*blob)->hdrlen = obj->hdrlen;
608 eb651edf 2018-02-11 stsp (*blob)->blocksize = blocksize;
609 f78b0693 2017-11-29 stsp memcpy(&(*blob)->id.sha1, obj->id.sha1, SHA1_DIGEST_LENGTH);
613 55da3778 2018-09-10 stsp if (*blob) {
614 55da3778 2018-09-10 stsp if ((*blob)->f)
615 55da3778 2018-09-10 stsp fclose((*blob)->f);
616 55da3778 2018-09-10 stsp free((*blob)->read_buf);
617 55da3778 2018-09-10 stsp free(*blob);
618 55da3778 2018-09-10 stsp *blob = NULL;
619 55da3778 2018-09-10 stsp } else if (outfd != -1)
620 55da3778 2018-09-10 stsp close(outfd);
622 a19581a2 2018-06-21 stsp return err;
625 a19581a2 2018-06-21 stsp const struct got_error *
626 a19581a2 2018-06-21 stsp got_object_open_as_blob(struct got_blob_object **blob,
627 a19581a2 2018-06-21 stsp struct got_repository *repo, struct got_object_id *id,
628 a19581a2 2018-06-21 stsp size_t blocksize)
630 a19581a2 2018-06-21 stsp const struct got_error *err;
631 a19581a2 2018-06-21 stsp struct got_object *obj;
633 835e0dbd 2018-06-21 stsp *blob = NULL;
635 a19581a2 2018-06-21 stsp err = got_object_open(&obj, repo, id);
637 a19581a2 2018-06-21 stsp return err;
638 15a94983 2018-12-23 stsp if (obj->type != GOT_OBJ_TYPE_BLOB) {
639 a19581a2 2018-06-21 stsp err = got_error(GOT_ERR_OBJ_TYPE);
643 a19581a2 2018-06-21 stsp err = got_object_blob_open(blob, repo, obj, blocksize);
645 a19581a2 2018-06-21 stsp got_object_close(obj);
646 68482ea3 2017-11-27 stsp return err;
650 68482ea3 2017-11-27 stsp got_object_blob_close(struct got_blob_object *blob)
652 15c8b0e6 2018-04-24 stsp free(blob->read_buf);
653 68482ea3 2017-11-27 stsp fclose(blob->f);
654 68482ea3 2017-11-27 stsp free(blob);
658 f934cf2c 2018-02-12 stsp got_object_blob_id_str(struct got_blob_object *blob, char *buf, size_t size)
660 f934cf2c 2018-02-12 stsp return got_sha1_digest_to_str(blob->id.sha1, buf, size);
664 f934cf2c 2018-02-12 stsp got_object_blob_get_hdrlen(struct got_blob_object *blob)
666 f934cf2c 2018-02-12 stsp return blob->hdrlen;
669 f934cf2c 2018-02-12 stsp const uint8_t *
670 f934cf2c 2018-02-12 stsp got_object_blob_get_read_buf(struct got_blob_object *blob)
672 f934cf2c 2018-02-12 stsp return blob->read_buf;
675 68482ea3 2017-11-27 stsp const struct got_error *
676 eb651edf 2018-02-11 stsp got_object_blob_read_block(size_t *outlenp, struct got_blob_object *blob)
680 eb651edf 2018-02-11 stsp n = fread(blob->read_buf, 1, blob->blocksize, blob->f);
681 eb651edf 2018-02-11 stsp if (n == 0 && ferror(blob->f))
682 eb651edf 2018-02-11 stsp return got_ferror(blob->f, GOT_ERR_IO);
683 eb651edf 2018-02-11 stsp *outlenp = n;
684 35e9ba5d 2018-06-21 stsp return NULL;
687 35e9ba5d 2018-06-21 stsp const struct got_error *
688 6fcac457 2018-11-19 stsp got_object_blob_dump_to_file(size_t *total_len, int *nlines,
689 84451b3e 2018-07-10 stsp FILE *outfile, struct got_blob_object *blob)
691 35e9ba5d 2018-06-21 stsp const struct got_error *err = NULL;
692 35e9ba5d 2018-06-21 stsp size_t len, hdrlen;
693 84451b3e 2018-07-10 stsp const uint8_t *buf;
696 84451b3e 2018-07-10 stsp if (total_len)
697 84451b3e 2018-07-10 stsp *total_len = 0;
698 84451b3e 2018-07-10 stsp if (nlines)
699 84451b3e 2018-07-10 stsp *nlines = 0;
701 35e9ba5d 2018-06-21 stsp hdrlen = got_object_blob_get_hdrlen(blob);
703 35e9ba5d 2018-06-21 stsp err = got_object_blob_read_block(&len, blob);
705 35e9ba5d 2018-06-21 stsp return err;
706 35e9ba5d 2018-06-21 stsp if (len == 0)
708 84451b3e 2018-07-10 stsp if (total_len)
709 84451b3e 2018-07-10 stsp *total_len += len;
710 84451b3e 2018-07-10 stsp buf = got_object_blob_get_read_buf(blob);
711 84451b3e 2018-07-10 stsp if (nlines) {
712 84451b3e 2018-07-10 stsp for (i = 0; i < len; i++) {
713 84451b3e 2018-07-10 stsp if (buf[i] == '\n')
714 84451b3e 2018-07-10 stsp (*nlines)++;
717 35e9ba5d 2018-06-21 stsp /* Skip blob object header first time around. */
718 84451b3e 2018-07-10 stsp fwrite(buf + hdrlen, len - hdrlen, 1, outfile);
719 35e9ba5d 2018-06-21 stsp hdrlen = 0;
720 35e9ba5d 2018-06-21 stsp } while (len != 0);
722 35e9ba5d 2018-06-21 stsp fflush(outfile);
723 35e9ba5d 2018-06-21 stsp rewind(outfile);
725 776d4d29 2018-06-17 stsp return NULL;
728 f4a881ce 2018-11-17 stsp static const struct got_error *
729 f4a881ce 2018-11-17 stsp open_tag(struct got_tag_object **tag,
730 f4a881ce 2018-11-17 stsp struct got_repository *repo, struct got_object *obj, int check_cache)
732 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
734 f4a881ce 2018-11-17 stsp if (check_cache) {
735 f4a881ce 2018-11-17 stsp *tag = got_repo_get_cached_tag(repo, &obj->id);
736 f4a881ce 2018-11-17 stsp if (*tag != NULL) {
737 f4a881ce 2018-11-17 stsp (*tag)->refcnt++;
738 f4a881ce 2018-11-17 stsp return NULL;
741 f4a881ce 2018-11-17 stsp *tag = NULL;
743 f4a881ce 2018-11-17 stsp if (obj->type != GOT_OBJ_TYPE_TAG)
744 f4a881ce 2018-11-17 stsp return got_error(GOT_ERR_OBJ_TYPE);
746 f4a881ce 2018-11-17 stsp if (obj->flags & GOT_OBJ_FLAG_PACKED) {
747 f4a881ce 2018-11-17 stsp struct got_pack *pack;
748 f4a881ce 2018-11-17 stsp pack = got_repo_get_cached_pack(repo, obj->path_packfile);
749 f4a881ce 2018-11-17 stsp if (pack == NULL) {
750 f4a881ce 2018-11-17 stsp err = got_repo_cache_pack(&pack, repo,
751 f4a881ce 2018-11-17 stsp obj->path_packfile, NULL);
753 f4a881ce 2018-11-17 stsp return err;
755 f4a881ce 2018-11-17 stsp err = got_object_read_packed_tag_privsep(tag, obj, pack);
758 4796fb13 2018-12-23 stsp err = open_loose_object(&fd, got_object_get_id(obj), repo);
760 f4a881ce 2018-11-17 stsp return err;
761 f4a881ce 2018-11-17 stsp err = got_object_read_tag_privsep(tag, obj, fd, repo);
765 f4a881ce 2018-11-17 stsp if (err == NULL) {
766 f4a881ce 2018-11-17 stsp (*tag)->refcnt++;
767 f4a881ce 2018-11-17 stsp err = got_repo_cache_tag(repo, &obj->id, *tag);
770 f4a881ce 2018-11-17 stsp return err;
773 f4a881ce 2018-11-17 stsp const struct got_error *
774 f4a881ce 2018-11-17 stsp got_object_open_as_tag(struct got_tag_object **tag,
775 f4a881ce 2018-11-17 stsp struct got_repository *repo, struct got_object_id *id)
777 f4a881ce 2018-11-17 stsp const struct got_error *err;
778 f4a881ce 2018-11-17 stsp struct got_object *obj;
780 f4a881ce 2018-11-17 stsp *tag = got_repo_get_cached_tag(repo, id);
781 f4a881ce 2018-11-17 stsp if (*tag != NULL) {
782 f4a881ce 2018-11-17 stsp (*tag)->refcnt++;
783 f4a881ce 2018-11-17 stsp return NULL;
786 f4a881ce 2018-11-17 stsp err = got_object_open(&obj, repo, id);
788 f4a881ce 2018-11-17 stsp return err;
789 15a94983 2018-12-23 stsp if (obj->type != GOT_OBJ_TYPE_COMMIT) {
790 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_OBJ_TYPE);
794 f4a881ce 2018-11-17 stsp err = open_tag(tag, repo, obj, 0);
796 f4a881ce 2018-11-17 stsp got_object_close(obj);
797 f4a881ce 2018-11-17 stsp return err;
800 f4a881ce 2018-11-17 stsp const struct got_error *
801 f4a881ce 2018-11-17 stsp got_object_tag_open(struct got_tag_object **tag,
802 f4a881ce 2018-11-17 stsp struct got_repository *repo, struct got_object *obj)
804 f4a881ce 2018-11-17 stsp return open_tag(tag, repo, obj, 1);
807 776d4d29 2018-06-17 stsp static struct got_tree_entry *
808 65a9bbe9 2018-09-15 stsp find_entry_by_name(struct got_tree_object *tree, const char *name, size_t len)
810 776d4d29 2018-06-17 stsp struct got_tree_entry *te;
812 63da309a 2018-11-07 stsp /* Note that tree entries are sorted in strncmp() order. */
813 883f0469 2018-06-23 stsp SIMPLEQ_FOREACH(te, &tree->entries.head, entry) {
814 63da309a 2018-11-07 stsp int cmp = strncmp(te->name, name, len);
815 63da309a 2018-11-07 stsp if (cmp < 0)
817 63da309a 2018-11-07 stsp if (cmp > 0)
819 63da309a 2018-11-07 stsp if (te->name[len] == '\0')
822 eb651edf 2018-02-11 stsp return NULL;
825 776d4d29 2018-06-17 stsp const struct got_error *
826 27d434c2 2018-09-15 stsp got_object_id_by_path(struct got_object_id **id, struct got_repository *repo,
827 776d4d29 2018-06-17 stsp struct got_object_id *commit_id, const char *path)
829 776d4d29 2018-06-17 stsp const struct got_error *err = NULL;
830 776d4d29 2018-06-17 stsp struct got_commit_object *commit = NULL;
831 776d4d29 2018-06-17 stsp struct got_tree_object *tree = NULL;
832 db37e2c0 2018-06-21 stsp struct got_tree_entry *te = NULL;
833 65a9bbe9 2018-09-15 stsp const char *seg, *s;
834 b7cd37e5 2018-11-18 stsp size_t seglen;
836 27d434c2 2018-09-15 stsp *id = NULL;
838 776d4d29 2018-06-17 stsp /* We are expecting an absolute in-repository path. */
839 776d4d29 2018-06-17 stsp if (path[0] != '/')
840 776d4d29 2018-06-17 stsp return got_error(GOT_ERR_NOT_ABSPATH);
842 776d4d29 2018-06-17 stsp err = got_object_open_as_commit(&commit, repo, commit_id);
846 776d4d29 2018-06-17 stsp /* Handle opening of root of commit's tree. */
847 776d4d29 2018-06-17 stsp if (path[1] == '\0') {
848 27d434c2 2018-09-15 stsp *id = got_object_id_dup(commit->tree_id);
849 27d434c2 2018-09-15 stsp if (*id == NULL)
850 27d434c2 2018-09-15 stsp err = got_error_from_errno();
854 776d4d29 2018-06-17 stsp err = got_object_open_as_tree(&tree, repo, commit->tree_id);
859 776d4d29 2018-06-17 stsp s++; /* skip leading '/' */
861 65a9bbe9 2018-09-15 stsp seglen = 0;
862 b7cd37e5 2018-11-18 stsp while (*s) {
863 776d4d29 2018-06-17 stsp struct got_tree_object *next_tree;
865 776d4d29 2018-06-17 stsp if (*s != '/') {
872 65a9bbe9 2018-09-15 stsp te = find_entry_by_name(tree, seg, seglen);
873 db37e2c0 2018-06-21 stsp if (te == NULL) {
874 d1451975 2018-11-11 stsp err = got_error(GOT_ERR_NO_TREE_ENTRY);
878 b7cd37e5 2018-11-18 stsp if (*s == '\0')
881 776d4d29 2018-06-17 stsp seg = s + 1;
882 65a9bbe9 2018-09-15 stsp seglen = 0;
885 776d4d29 2018-06-17 stsp err = got_object_open_as_tree(&next_tree, repo,
890 776d4d29 2018-06-17 stsp got_object_tree_close(tree);
891 776d4d29 2018-06-17 stsp tree = next_tree;
896 27d434c2 2018-09-15 stsp *id = got_object_id_dup(te->id);
897 27d434c2 2018-09-15 stsp if (*id == NULL)
898 27d434c2 2018-09-15 stsp return got_error_from_errno();
900 d1451975 2018-11-11 stsp err = got_error(GOT_ERR_NO_TREE_ENTRY);
902 776d4d29 2018-06-17 stsp if (commit)
903 776d4d29 2018-06-17 stsp got_object_commit_close(commit);
905 776d4d29 2018-06-17 stsp got_object_tree_close(tree);
906 776d4d29 2018-06-17 stsp return err;
909 07862c20 2018-09-15 stsp const struct got_error *
910 07862c20 2018-09-15 stsp got_object_tree_path_changed(int *changed,
911 07862c20 2018-09-15 stsp struct got_tree_object *tree01, struct got_tree_object *tree02,
912 07862c20 2018-09-15 stsp const char *path, struct got_repository *repo)
914 07862c20 2018-09-15 stsp const struct got_error *err = NULL;
915 07862c20 2018-09-15 stsp struct got_tree_object *tree1 = NULL, *tree2 = NULL;
916 07862c20 2018-09-15 stsp struct got_tree_entry *te1 = NULL, *te2 = NULL;
917 65a9bbe9 2018-09-15 stsp const char *seg, *s;
918 3b7f9878 2018-11-18 stsp size_t seglen;
920 07862c20 2018-09-15 stsp *changed = 0;
922 07862c20 2018-09-15 stsp /* We are expecting an absolute in-repository path. */
923 07862c20 2018-09-15 stsp if (path[0] != '/')
924 07862c20 2018-09-15 stsp return got_error(GOT_ERR_NOT_ABSPATH);
926 07862c20 2018-09-15 stsp /* We not do support comparing the root path. */
927 07862c20 2018-09-15 stsp if (path[1] == '\0')
928 07862c20 2018-09-15 stsp return got_error(GOT_ERR_BAD_PATH);
930 07862c20 2018-09-15 stsp tree1 = tree01;
931 07862c20 2018-09-15 stsp tree2 = tree02;
933 07862c20 2018-09-15 stsp s++; /* skip leading '/' */
935 65a9bbe9 2018-09-15 stsp seglen = 0;
936 3b7f9878 2018-11-18 stsp while (*s) {
937 07862c20 2018-09-15 stsp struct got_tree_object *next_tree1, *next_tree2;
939 07862c20 2018-09-15 stsp if (*s != '/') {
946 65a9bbe9 2018-09-15 stsp te1 = find_entry_by_name(tree1, seg, seglen);
947 07862c20 2018-09-15 stsp if (te1 == NULL) {
948 07862c20 2018-09-15 stsp err = got_error(GOT_ERR_NO_OBJ);
952 65a9bbe9 2018-09-15 stsp te2 = find_entry_by_name(tree2, seg, seglen);
953 07862c20 2018-09-15 stsp if (te2 == NULL) {
954 07862c20 2018-09-15 stsp *changed = 1;
958 07862c20 2018-09-15 stsp if (te1->mode != te2->mode) {
959 07862c20 2018-09-15 stsp *changed = 1;
963 07862c20 2018-09-15 stsp if (got_object_id_cmp(te1->id, te2->id) == 0) {
964 07862c20 2018-09-15 stsp *changed = 0;
968 3b7f9878 2018-11-18 stsp if (*s == '\0') { /* final path element */
969 07862c20 2018-09-15 stsp *changed = 1;
973 07862c20 2018-09-15 stsp seg = s + 1;
975 65a9bbe9 2018-09-15 stsp seglen = 0;
977 07862c20 2018-09-15 stsp err = got_object_open_as_tree(&next_tree1, repo,
979 07862c20 2018-09-15 stsp te1 = NULL;
982 a31cea73 2018-09-15 stsp if (tree1 != tree01)
983 a31cea73 2018-09-15 stsp got_object_tree_close(tree1);
984 07862c20 2018-09-15 stsp tree1 = next_tree1;
986 07862c20 2018-09-15 stsp err = got_object_open_as_tree(&next_tree2, repo,
988 07862c20 2018-09-15 stsp te2 = NULL;
991 a31cea73 2018-09-15 stsp if (tree2 != tree02)
992 a31cea73 2018-09-15 stsp got_object_tree_close(tree2);
993 07862c20 2018-09-15 stsp tree2 = next_tree2;
997 a31cea73 2018-09-15 stsp if (tree1 && tree1 != tree01)
998 07862c20 2018-09-15 stsp got_object_tree_close(tree1);
999 a31cea73 2018-09-15 stsp if (tree2 && tree2 != tree02)
1000 07862c20 2018-09-15 stsp got_object_tree_close(tree2);
1001 77880158 2018-11-04 stsp return err;
1004 77880158 2018-11-04 stsp static void
1005 77880158 2018-11-04 stsp exec_privsep_child(int imsg_fds[2], const char *path, const char *repo_path)
1007 77880158 2018-11-04 stsp close(imsg_fds[0]);
1009 77880158 2018-11-04 stsp if (dup2(imsg_fds[1], GOT_IMSG_FD_CHILD) == -1) {
1010 77880158 2018-11-04 stsp fprintf(stderr, "%s: %s\n", getprogname(),
1011 77880158 2018-11-04 stsp strerror(errno));
1014 77880158 2018-11-04 stsp if (closefrom(GOT_IMSG_FD_CHILD + 1) == -1) {
1015 77880158 2018-11-04 stsp fprintf(stderr, "%s: %s\n", getprogname(),
1016 77880158 2018-11-04 stsp strerror(errno));
1020 77880158 2018-11-04 stsp if (execl(path, path, repo_path, (char *)NULL) == -1) {
1021 77880158 2018-11-04 stsp fprintf(stderr, "%s: %s: %s\n", getprogname(), path,
1022 77880158 2018-11-04 stsp strerror(errno));
1027 77880158 2018-11-04 stsp static const struct got_error *
1028 77880158 2018-11-04 stsp request_object(struct got_object **obj, struct got_repository *repo, int fd)
1030 77880158 2018-11-04 stsp const struct got_error *err = NULL;
1031 77880158 2018-11-04 stsp struct imsgbuf *ibuf;
1033 77880158 2018-11-04 stsp ibuf = repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_OBJECT].ibuf;
1035 77880158 2018-11-04 stsp err = got_privsep_send_obj_req(ibuf, fd, NULL);
1037 77880158 2018-11-04 stsp return err;
1039 77880158 2018-11-04 stsp return got_privsep_recv_obj(obj, ibuf);
1042 77880158 2018-11-04 stsp const struct got_error *
1043 77880158 2018-11-04 stsp got_object_read_header_privsep(struct got_object **obj,
1044 77880158 2018-11-04 stsp struct got_repository *repo, int obj_fd)
1046 77880158 2018-11-04 stsp int imsg_fds[2];
1047 77880158 2018-11-04 stsp pid_t pid;
1048 77880158 2018-11-04 stsp struct imsgbuf *ibuf;
1050 77880158 2018-11-04 stsp if (repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_OBJECT].imsg_fd != -1)
1051 77880158 2018-11-04 stsp return request_object(obj, repo, obj_fd);
1053 77880158 2018-11-04 stsp ibuf = calloc(1, sizeof(*ibuf));
1054 77880158 2018-11-04 stsp if (ibuf == NULL)
1055 77880158 2018-11-04 stsp return got_error_from_errno();
1057 77880158 2018-11-04 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_fds) == -1)
1058 77880158 2018-11-04 stsp return got_error_from_errno();
1060 77880158 2018-11-04 stsp pid = fork();
1061 77880158 2018-11-04 stsp if (pid == -1)
1062 77880158 2018-11-04 stsp return got_error_from_errno();
1063 77880158 2018-11-04 stsp else if (pid == 0) {
1064 77880158 2018-11-04 stsp exec_privsep_child(imsg_fds, GOT_PATH_PROG_READ_OBJECT,
1065 77880158 2018-11-04 stsp repo->path);
1066 77880158 2018-11-04 stsp /* not reached */
1069 77880158 2018-11-04 stsp close(imsg_fds[1]);
1070 77880158 2018-11-04 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_OBJECT].imsg_fd =
1071 77880158 2018-11-04 stsp imsg_fds[0];
1072 77880158 2018-11-04 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_OBJECT].pid = pid;
1073 77880158 2018-11-04 stsp imsg_init(ibuf, imsg_fds[0]);
1074 77880158 2018-11-04 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_OBJECT].ibuf = ibuf;
1076 77880158 2018-11-04 stsp return request_object(obj, repo, obj_fd);
1079 77880158 2018-11-04 stsp static const struct got_error *
1080 77880158 2018-11-04 stsp request_packed_object(struct got_object **obj, struct got_pack *pack, int idx,
1081 77880158 2018-11-04 stsp struct got_object_id *id)
1083 77880158 2018-11-04 stsp const struct got_error *err = NULL;
1084 77880158 2018-11-04 stsp struct imsgbuf *ibuf = pack->privsep_child->ibuf;
1086 77880158 2018-11-04 stsp err = got_privsep_send_packed_obj_req(ibuf, idx, id);
1088 77880158 2018-11-04 stsp return err;
1090 77880158 2018-11-04 stsp err = got_privsep_recv_obj(obj, ibuf);
1092 77880158 2018-11-04 stsp return err;
1094 77880158 2018-11-04 stsp (*obj)->path_packfile = strdup(pack->path_packfile);
1095 77880158 2018-11-04 stsp if ((*obj)->path_packfile == NULL) {
1096 77880158 2018-11-04 stsp err = got_error_from_errno();
1097 77880158 2018-11-04 stsp return err;
1099 77880158 2018-11-04 stsp memcpy(&(*obj)->id, id, sizeof((*obj)->id));
1101 77880158 2018-11-04 stsp return NULL;
1104 77880158 2018-11-04 stsp const struct got_error *
1105 77880158 2018-11-04 stsp got_object_packed_read_privsep(struct got_object **obj,
1106 77880158 2018-11-04 stsp struct got_repository *repo, struct got_pack *pack,
1107 77880158 2018-11-04 stsp struct got_packidx *packidx, int idx, struct got_object_id *id)
1109 77880158 2018-11-04 stsp const struct got_error *err = NULL;
1110 77880158 2018-11-04 stsp int imsg_fds[2];
1111 77880158 2018-11-04 stsp pid_t pid;
1112 77880158 2018-11-04 stsp struct imsgbuf *ibuf;
1114 77880158 2018-11-04 stsp if (pack->privsep_child)
1115 77880158 2018-11-04 stsp return request_packed_object(obj, pack, idx, id);
1117 77880158 2018-11-04 stsp ibuf = calloc(1, sizeof(*ibuf));
1118 77880158 2018-11-04 stsp if (ibuf == NULL)
1119 77880158 2018-11-04 stsp return got_error_from_errno();
1121 77880158 2018-11-04 stsp pack->privsep_child = calloc(1, sizeof(*pack->privsep_child));
1122 77880158 2018-11-04 stsp if (pack->privsep_child == NULL) {
1123 77880158 2018-11-04 stsp err = got_error_from_errno();
1124 77880158 2018-11-04 stsp free(ibuf);
1125 77880158 2018-11-04 stsp return err;
1128 77880158 2018-11-04 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_fds) == -1) {
1129 77880158 2018-11-04 stsp err = got_error_from_errno();
1130 77880158 2018-11-04 stsp goto done;
1133 77880158 2018-11-04 stsp pid = fork();
1134 77880158 2018-11-04 stsp if (pid == -1) {
1135 77880158 2018-11-04 stsp err = got_error_from_errno();
1136 77880158 2018-11-04 stsp goto done;
1137 77880158 2018-11-04 stsp } else if (pid == 0) {
1138 77880158 2018-11-04 stsp exec_privsep_child(imsg_fds, GOT_PATH_PROG_READ_PACK,
1139 77880158 2018-11-04 stsp pack->path_packfile);
1140 77880158 2018-11-04 stsp /* not reached */
1143 77880158 2018-11-04 stsp close(imsg_fds[1]);
1144 77880158 2018-11-04 stsp pack->privsep_child->imsg_fd = imsg_fds[0];
1145 77880158 2018-11-04 stsp pack->privsep_child->pid = pid;
1146 77880158 2018-11-04 stsp imsg_init(ibuf, imsg_fds[0]);
1147 77880158 2018-11-04 stsp pack->privsep_child->ibuf = ibuf;
1149 77880158 2018-11-04 stsp err = got_privsep_init_pack_child(ibuf, pack, packidx);
1150 77880158 2018-11-04 stsp if (err) {
1151 77880158 2018-11-04 stsp const struct got_error *child_err;
1152 77880158 2018-11-04 stsp err = got_privsep_send_stop(pack->privsep_child->imsg_fd);
1153 77880158 2018-11-04 stsp child_err = got_privsep_wait_for_child(
1154 77880158 2018-11-04 stsp pack->privsep_child->pid);
1155 77880158 2018-11-04 stsp if (child_err && err == NULL)
1156 77880158 2018-11-04 stsp err = child_err;
1157 77880158 2018-11-04 stsp free(ibuf);
1158 77880158 2018-11-04 stsp free(pack->privsep_child);
1159 77880158 2018-11-04 stsp pack->privsep_child = NULL;
1160 77880158 2018-11-04 stsp return err;
1164 77880158 2018-11-04 stsp if (err) {
1165 77880158 2018-11-04 stsp free(ibuf);
1166 77880158 2018-11-04 stsp free(pack->privsep_child);
1167 77880158 2018-11-04 stsp pack->privsep_child = NULL;
1169 77880158 2018-11-04 stsp err = request_packed_object(obj, pack, idx, id);
1170 1785f84a 2018-12-23 stsp return err;
1173 1785f84a 2018-12-23 stsp static const struct got_error *
1174 77880158 2018-11-04 stsp request_commit(struct got_commit_object **commit, struct got_repository *repo,
1177 77880158 2018-11-04 stsp const struct got_error *err = NULL;
1178 77880158 2018-11-04 stsp struct imsgbuf *ibuf;
1180 77880158 2018-11-04 stsp ibuf = repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_COMMIT].ibuf;
1182 1785f84a 2018-12-23 stsp err = got_privsep_send_commit_req(ibuf, fd, NULL, -1);
1184 77880158 2018-11-04 stsp return err;
1186 6e72e6a3 2018-12-23 stsp return got_privsep_recv_commit(commit, ibuf);
1189 1785f84a 2018-12-23 stsp static const struct got_error *
1190 1785f84a 2018-12-23 stsp request_packed_commit(struct got_commit_object **commit, struct got_pack *pack,
1191 1785f84a 2018-12-23 stsp int pack_idx, struct got_object_id *id)
1193 1785f84a 2018-12-23 stsp const struct got_error *err = NULL;
1195 1785f84a 2018-12-23 stsp err = got_privsep_send_commit_req(pack->privsep_child->ibuf, -1, id,
1196 1785f84a 2018-12-23 stsp pack_idx);
1198 1785f84a 2018-12-23 stsp return err;
1200 6e72e6a3 2018-12-23 stsp return got_privsep_recv_commit(commit, pack->privsep_child->ibuf);
1203 77880158 2018-11-04 stsp const struct got_error *
1204 77880158 2018-11-04 stsp got_object_read_packed_commit_privsep(struct got_commit_object **commit,
1205 1785f84a 2018-12-23 stsp struct got_pack *pack, struct got_packidx *packidx, int idx,
1206 1785f84a 2018-12-23 stsp struct got_object_id *id)
1208 77880158 2018-11-04 stsp const struct got_error *err = NULL;
1209 1785f84a 2018-12-23 stsp int imsg_fds[2];
1210 1785f84a 2018-12-23 stsp pid_t pid;
1211 1785f84a 2018-12-23 stsp struct imsgbuf *ibuf;
1213 1785f84a 2018-12-23 stsp if (pack->privsep_child)
1214 1785f84a 2018-12-23 stsp return request_packed_commit(commit, pack, idx, id);
1216 1785f84a 2018-12-23 stsp ibuf = calloc(1, sizeof(*ibuf));
1217 1785f84a 2018-12-23 stsp if (ibuf == NULL)
1218 1785f84a 2018-12-23 stsp return got_error_from_errno();
1220 1785f84a 2018-12-23 stsp pack->privsep_child = calloc(1, sizeof(*pack->privsep_child));
1221 1785f84a 2018-12-23 stsp if (pack->privsep_child == NULL) {
1222 1785f84a 2018-12-23 stsp err = got_error_from_errno();
1223 1785f84a 2018-12-23 stsp free(ibuf);
1224 77880158 2018-11-04 stsp return err;
1227 1785f84a 2018-12-23 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_fds) == -1) {
1228 1785f84a 2018-12-23 stsp err = got_error_from_errno();
1229 1785f84a 2018-12-23 stsp goto done;
1232 1785f84a 2018-12-23 stsp pid = fork();
1233 1785f84a 2018-12-23 stsp if (pid == -1) {
1234 1785f84a 2018-12-23 stsp err = got_error_from_errno();
1235 1785f84a 2018-12-23 stsp goto done;
1236 1785f84a 2018-12-23 stsp } else if (pid == 0) {
1237 1785f84a 2018-12-23 stsp exec_privsep_child(imsg_fds, GOT_PATH_PROG_READ_PACK,
1238 1785f84a 2018-12-23 stsp pack->path_packfile);
1239 1785f84a 2018-12-23 stsp /* not reached */
1242 1785f84a 2018-12-23 stsp close(imsg_fds[1]);
1243 1785f84a 2018-12-23 stsp pack->privsep_child->imsg_fd = imsg_fds[0];
1244 1785f84a 2018-12-23 stsp pack->privsep_child->pid = pid;
1245 1785f84a 2018-12-23 stsp imsg_init(ibuf, imsg_fds[0]);
1246 1785f84a 2018-12-23 stsp pack->privsep_child->ibuf = ibuf;
1248 1785f84a 2018-12-23 stsp err = got_privsep_init_pack_child(ibuf, pack, packidx);
1249 1785f84a 2018-12-23 stsp if (err) {
1250 1785f84a 2018-12-23 stsp const struct got_error *child_err;
1251 1785f84a 2018-12-23 stsp err = got_privsep_send_stop(pack->privsep_child->imsg_fd);
1252 1785f84a 2018-12-23 stsp child_err = got_privsep_wait_for_child(
1253 1785f84a 2018-12-23 stsp pack->privsep_child->pid);
1254 1785f84a 2018-12-23 stsp if (child_err && err == NULL)
1255 1785f84a 2018-12-23 stsp err = child_err;
1256 1785f84a 2018-12-23 stsp free(ibuf);
1257 1785f84a 2018-12-23 stsp free(pack->privsep_child);
1258 1785f84a 2018-12-23 stsp pack->privsep_child = NULL;
1259 1785f84a 2018-12-23 stsp return err;
1263 1785f84a 2018-12-23 stsp if (err) {
1264 1785f84a 2018-12-23 stsp free(ibuf);
1265 1785f84a 2018-12-23 stsp free(pack->privsep_child);
1266 1785f84a 2018-12-23 stsp pack->privsep_child = NULL;
1268 1785f84a 2018-12-23 stsp err = request_packed_commit(commit, pack, idx, id);
1269 1785f84a 2018-12-23 stsp return err;
1272 77880158 2018-11-04 stsp const struct got_error *
1273 77880158 2018-11-04 stsp got_object_read_commit_privsep(struct got_commit_object **commit,
1274 1785f84a 2018-12-23 stsp int obj_fd, struct got_repository *repo)
1276 77880158 2018-11-04 stsp int imsg_fds[2];
1277 77880158 2018-11-04 stsp pid_t pid;
1278 77880158 2018-11-04 stsp struct imsgbuf *ibuf;
1280 77880158 2018-11-04 stsp if (repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_COMMIT].imsg_fd != -1)
1281 1785f84a 2018-12-23 stsp return request_commit(commit, repo, obj_fd);
1283 77880158 2018-11-04 stsp ibuf = calloc(1, sizeof(*ibuf));
1284 77880158 2018-11-04 stsp if (ibuf == NULL)
1285 77880158 2018-11-04 stsp return got_error_from_errno();
1287 77880158 2018-11-04 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_fds) == -1)
1288 77880158 2018-11-04 stsp return got_error_from_errno();
1290 77880158 2018-11-04 stsp pid = fork();
1291 77880158 2018-11-04 stsp if (pid == -1)
1292 77880158 2018-11-04 stsp return got_error_from_errno();
1293 77880158 2018-11-04 stsp else if (pid == 0) {
1294 77880158 2018-11-04 stsp exec_privsep_child(imsg_fds, GOT_PATH_PROG_READ_COMMIT,
1295 77880158 2018-11-04 stsp repo->path);
1296 77880158 2018-11-04 stsp /* not reached */
1299 77880158 2018-11-04 stsp close(imsg_fds[1]);
1300 77880158 2018-11-04 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_COMMIT].imsg_fd =
1301 77880158 2018-11-04 stsp imsg_fds[0];
1302 77880158 2018-11-04 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_COMMIT].pid = pid;
1303 77880158 2018-11-04 stsp imsg_init(ibuf, imsg_fds[0]);
1304 77880158 2018-11-04 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_COMMIT].ibuf = ibuf;
1306 1785f84a 2018-12-23 stsp return request_commit(commit, repo, obj_fd);
1309 77880158 2018-11-04 stsp static const struct got_error *
1310 77880158 2018-11-04 stsp request_tree(struct got_tree_object **tree, struct got_repository *repo,
1311 77880158 2018-11-04 stsp struct got_object *obj, int fd)
1313 77880158 2018-11-04 stsp const struct got_error *err = NULL;
1314 77880158 2018-11-04 stsp struct imsgbuf *ibuf;
1316 77880158 2018-11-04 stsp ibuf = repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TREE].ibuf;
1318 77880158 2018-11-04 stsp err = got_privsep_send_obj_req(ibuf, fd, obj);
1320 77880158 2018-11-04 stsp return err;
1322 77880158 2018-11-04 stsp return got_privsep_recv_tree(tree, ibuf);
1325 77880158 2018-11-04 stsp const struct got_error *
1326 77880158 2018-11-04 stsp got_object_read_tree_privsep(struct got_tree_object **tree,
1327 77880158 2018-11-04 stsp struct got_object *obj, int obj_fd, struct got_repository *repo)
1329 77880158 2018-11-04 stsp int imsg_fds[2];
1330 77880158 2018-11-04 stsp pid_t pid;
1331 77880158 2018-11-04 stsp struct imsgbuf *ibuf;
1333 77880158 2018-11-04 stsp if (repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TREE].imsg_fd != -1)
1334 77880158 2018-11-04 stsp return request_tree(tree, repo, obj, obj_fd);
1336 77880158 2018-11-04 stsp ibuf = calloc(1, sizeof(*ibuf));
1337 77880158 2018-11-04 stsp if (ibuf == NULL)
1338 77880158 2018-11-04 stsp return got_error_from_errno();
1340 77880158 2018-11-04 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_fds) == -1)
1341 77880158 2018-11-04 stsp return got_error_from_errno();
1343 77880158 2018-11-04 stsp pid = fork();
1344 77880158 2018-11-04 stsp if (pid == -1)
1345 77880158 2018-11-04 stsp return got_error_from_errno();
1346 77880158 2018-11-04 stsp else if (pid == 0) {
1347 77880158 2018-11-04 stsp exec_privsep_child(imsg_fds, GOT_PATH_PROG_READ_TREE,
1348 77880158 2018-11-04 stsp repo->path);
1349 77880158 2018-11-04 stsp /* not reached */
1352 77880158 2018-11-04 stsp close(imsg_fds[1]);
1354 77880158 2018-11-04 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TREE].imsg_fd =
1355 77880158 2018-11-04 stsp imsg_fds[0];
1356 77880158 2018-11-04 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TREE].pid = pid;
1357 77880158 2018-11-04 stsp imsg_init(ibuf, imsg_fds[0]);
1358 77880158 2018-11-04 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TREE].ibuf = ibuf;
1361 77880158 2018-11-04 stsp return request_tree(tree, repo, obj, obj_fd);
1364 77880158 2018-11-04 stsp const struct got_error *
1365 77880158 2018-11-04 stsp got_object_read_packed_tree_privsep(struct got_tree_object **tree,
1366 77880158 2018-11-04 stsp struct got_object *obj, struct got_pack *pack)
1368 77880158 2018-11-04 stsp const struct got_error *err = NULL;
1370 77880158 2018-11-04 stsp err = got_privsep_send_obj_req(pack->privsep_child->ibuf, -1, obj);
1372 77880158 2018-11-04 stsp return err;
1374 77880158 2018-11-04 stsp return got_privsep_recv_tree(tree, pack->privsep_child->ibuf);
1377 77880158 2018-11-04 stsp static const struct got_error *
1378 77880158 2018-11-04 stsp request_blob(size_t *size, int outfd, int infd, struct imsgbuf *ibuf)
1380 77880158 2018-11-04 stsp const struct got_error *err = NULL;
1381 77880158 2018-11-04 stsp int outfd_child;
1383 77880158 2018-11-04 stsp outfd_child = dup(outfd);
1384 77880158 2018-11-04 stsp if (outfd_child == -1)
1385 77880158 2018-11-04 stsp return got_error_from_errno();
1387 77880158 2018-11-04 stsp err = got_privsep_send_blob_req(ibuf, infd);
1389 77880158 2018-11-04 stsp return err;
1391 77880158 2018-11-04 stsp err = got_privsep_send_blob_outfd(ibuf, outfd_child);
1392 77880158 2018-11-04 stsp if (err) {
1393 77880158 2018-11-04 stsp close(outfd_child);
1394 77880158 2018-11-04 stsp return err;
1397 77880158 2018-11-04 stsp err = got_privsep_recv_blob(size, ibuf);
1399 77880158 2018-11-04 stsp return err;
1401 77880158 2018-11-04 stsp if (lseek(outfd, SEEK_SET, 0) == -1)
1402 77880158 2018-11-04 stsp return got_error_from_errno();
1404 77880158 2018-11-04 stsp return err;
1407 77880158 2018-11-04 stsp const struct got_error *
1408 77880158 2018-11-04 stsp got_object_read_blob_privsep(size_t *size, int outfd, int infd,
1409 77880158 2018-11-04 stsp struct got_repository *repo)
1411 77880158 2018-11-04 stsp int imsg_fds[2];
1412 77880158 2018-11-04 stsp pid_t pid;
1413 77880158 2018-11-04 stsp struct imsgbuf *ibuf;
1415 77880158 2018-11-04 stsp if (repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_BLOB].imsg_fd != -1) {
1416 77880158 2018-11-04 stsp ibuf = repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_BLOB].ibuf;
1417 77880158 2018-11-04 stsp return request_blob(size, outfd, infd, ibuf);
1420 77880158 2018-11-04 stsp ibuf = calloc(1, sizeof(*ibuf));
1421 77880158 2018-11-04 stsp if (ibuf == NULL)
1422 77880158 2018-11-04 stsp return got_error_from_errno();
1424 77880158 2018-11-04 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_fds) == -1)
1425 77880158 2018-11-04 stsp return got_error_from_errno();
1427 77880158 2018-11-04 stsp pid = fork();
1428 77880158 2018-11-04 stsp if (pid == -1)
1429 77880158 2018-11-04 stsp return got_error_from_errno();
1430 77880158 2018-11-04 stsp else if (pid == 0) {
1431 77880158 2018-11-04 stsp exec_privsep_child(imsg_fds, GOT_PATH_PROG_READ_BLOB,
1432 77880158 2018-11-04 stsp repo->path);
1433 77880158 2018-11-04 stsp /* not reached */
1436 77880158 2018-11-04 stsp close(imsg_fds[1]);
1437 77880158 2018-11-04 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_BLOB].imsg_fd =
1438 77880158 2018-11-04 stsp imsg_fds[0];
1439 77880158 2018-11-04 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_BLOB].pid = pid;
1440 77880158 2018-11-04 stsp imsg_init(ibuf, imsg_fds[0]);
1441 77880158 2018-11-04 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_BLOB].ibuf = ibuf;
1443 77880158 2018-11-04 stsp return request_blob(size, outfd, infd, ibuf);
1446 f4a881ce 2018-11-17 stsp static const struct got_error *
1447 f4a881ce 2018-11-17 stsp request_tag(struct got_tag_object **tag, struct got_repository *repo,
1448 f4a881ce 2018-11-17 stsp struct got_object *obj, int fd)
1450 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1451 f4a881ce 2018-11-17 stsp struct imsgbuf *ibuf;
1453 f4a881ce 2018-11-17 stsp ibuf = repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TAG].ibuf;
1455 f4a881ce 2018-11-17 stsp err = got_privsep_send_obj_req(ibuf, fd, obj);
1457 f4a881ce 2018-11-17 stsp return err;
1459 f4a881ce 2018-11-17 stsp return got_privsep_recv_tag(tag, ibuf);
1462 f4a881ce 2018-11-17 stsp const struct got_error *
1463 f4a881ce 2018-11-17 stsp got_object_read_packed_tag_privsep(struct got_tag_object **tag,
1464 f4a881ce 2018-11-17 stsp struct got_object *obj, struct got_pack *pack)
1466 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1468 f4a881ce 2018-11-17 stsp err = got_privsep_send_obj_req(pack->privsep_child->ibuf, -1, obj);
1470 f4a881ce 2018-11-17 stsp return err;
1472 f4a881ce 2018-11-17 stsp return got_privsep_recv_tag(tag, pack->privsep_child->ibuf);
1475 f4a881ce 2018-11-17 stsp const struct got_error *
1476 f4a881ce 2018-11-17 stsp got_object_read_tag_privsep(struct got_tag_object **tag,
1477 f4a881ce 2018-11-17 stsp struct got_object *obj, int obj_fd, struct got_repository *repo)
1479 f4a881ce 2018-11-17 stsp int imsg_fds[2];
1480 f4a881ce 2018-11-17 stsp pid_t pid;
1481 f4a881ce 2018-11-17 stsp struct imsgbuf *ibuf;
1483 f4a881ce 2018-11-17 stsp if (repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TAG].imsg_fd != -1)
1484 f4a881ce 2018-11-17 stsp return request_tag(tag, repo, obj, obj_fd);
1486 f4a881ce 2018-11-17 stsp ibuf = calloc(1, sizeof(*ibuf));
1487 f4a881ce 2018-11-17 stsp if (ibuf == NULL)
1488 f4a881ce 2018-11-17 stsp return got_error_from_errno();
1490 f4a881ce 2018-11-17 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_fds) == -1)
1491 f4a881ce 2018-11-17 stsp return got_error_from_errno();
1493 f4a881ce 2018-11-17 stsp pid = fork();
1494 f4a881ce 2018-11-17 stsp if (pid == -1)
1495 f4a881ce 2018-11-17 stsp return got_error_from_errno();
1496 f4a881ce 2018-11-17 stsp else if (pid == 0) {
1497 f4a881ce 2018-11-17 stsp exec_privsep_child(imsg_fds, GOT_PATH_PROG_READ_TAG,
1498 f4a881ce 2018-11-17 stsp repo->path);
1499 f4a881ce 2018-11-17 stsp /* not reached */
1502 f4a881ce 2018-11-17 stsp close(imsg_fds[1]);
1503 f4a881ce 2018-11-17 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TAG].imsg_fd =
1504 f4a881ce 2018-11-17 stsp imsg_fds[0];
1505 f4a881ce 2018-11-17 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TAG].pid = pid;
1506 f4a881ce 2018-11-17 stsp imsg_init(ibuf, imsg_fds[0]);
1507 f4a881ce 2018-11-17 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TAG].ibuf = ibuf;
1509 f4a881ce 2018-11-17 stsp return request_tag(tag, repo, obj, obj_fd);