2 5d56da81 2019-01-13 stsp * Copyright (c) 2018, 2019 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 b48e2ddb 2019-05-22 stsp #include <sys/resource.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 81a12da5 2020-09-09 naddy #include <unistd.h>
33 ab9a70b2 2017-11-06 stsp #include <zlib.h>
34 ab9a70b2 2017-11-06 stsp #include <ctype.h>
35 e40622f4 2020-07-23 stsp #include <libgen.h>
36 ab9a70b2 2017-11-06 stsp #include <limits.h>
37 2178c42e 2018-04-22 stsp #include <imsg.h>
38 788c352e 2018-06-16 stsp #include <time.h>
40 ab9a70b2 2017-11-06 stsp #include "got_error.h"
41 d71d75ad 2017-11-05 stsp #include "got_object.h"
42 ab9a70b2 2017-11-06 stsp #include "got_repository.h"
43 511a516b 2018-05-19 stsp #include "got_opentemp.h"
44 324d37e7 2019-05-11 stsp #include "got_path.h"
46 718b3ab0 2018-03-17 stsp #include "got_lib_sha1.h"
47 718b3ab0 2018-03-17 stsp #include "got_lib_delta.h"
48 63581804 2018-07-09 stsp #include "got_lib_inflate.h"
49 718b3ab0 2018-03-17 stsp #include "got_lib_object.h"
50 2178c42e 2018-04-22 stsp #include "got_lib_privsep.h"
51 6bef87be 2018-09-11 stsp #include "got_lib_object_idcache.h"
52 6bef87be 2018-09-11 stsp #include "got_lib_object_cache.h"
53 ad242220 2018-09-08 stsp #include "got_lib_object_parse.h"
54 15a94983 2018-12-23 stsp #include "got_lib_pack.h"
55 7bb0daa1 2018-06-21 stsp #include "got_lib_repository.h"
58 ab9a70b2 2017-11-06 stsp #define MIN(_a,_b) ((_a) < (_b) ? (_a) : (_b))
61 3235492e 2018-04-01 stsp struct got_object_id *
62 3235492e 2018-04-01 stsp got_object_get_id(struct got_object *obj)
64 6402fb3c 2018-09-15 stsp return &obj->id;
67 bacc9935 2018-05-20 stsp const struct got_error *
68 bacc9935 2018-05-20 stsp got_object_get_id_str(char **outbuf, struct got_object *obj)
70 bacc9935 2018-05-20 stsp return got_object_id_str(outbuf, &obj->id);
73 15a94983 2018-12-23 stsp const struct got_error *
74 15a94983 2018-12-23 stsp got_object_get_type(int *type, struct got_repository *repo,
75 15a94983 2018-12-23 stsp struct got_object_id *id)
77 15a94983 2018-12-23 stsp const struct got_error *err = NULL;
78 15a94983 2018-12-23 stsp struct got_object *obj;
80 15a94983 2018-12-23 stsp err = got_object_open(&obj, repo, id);
84 b107e67f 2018-01-19 stsp switch (obj->type) {
85 a1fd68d8 2018-01-12 stsp case GOT_OBJ_TYPE_COMMIT:
86 a1fd68d8 2018-01-12 stsp case GOT_OBJ_TYPE_TREE:
87 a1fd68d8 2018-01-12 stsp case GOT_OBJ_TYPE_BLOB:
88 b107e67f 2018-01-19 stsp case GOT_OBJ_TYPE_TAG:
89 15a94983 2018-12-23 stsp *type = obj->type;
92 15a94983 2018-12-23 stsp err = got_error(GOT_ERR_OBJ_TYPE);
96 15a94983 2018-12-23 stsp got_object_close(obj);
100 90bdb554 2019-04-11 stsp const struct got_error *
101 90bdb554 2019-04-11 stsp got_object_get_path(char **path, struct got_object_id *id,
102 90bdb554 2019-04-11 stsp struct got_repository *repo)
104 ab9a70b2 2017-11-06 stsp const struct got_error *err = NULL;
105 7a132809 2018-07-23 stsp char *hex = NULL;
106 41d2888b 2019-08-11 stsp char *path_objects;
108 e6b1056e 2018-04-22 stsp *path = NULL;
110 41d2888b 2019-08-11 stsp path_objects = got_repo_get_path_objects(repo);
111 ab9a70b2 2017-11-06 stsp if (path_objects == NULL)
112 638f9024 2019-05-13 stsp return got_error_from_errno("got_repo_get_path_objects");
114 ef0981d5 2018-02-12 stsp err = got_object_id_str(&hex, id);
118 d1cda826 2017-11-06 stsp if (asprintf(path, "%s/%.2x/%s", path_objects,
119 d1cda826 2017-11-06 stsp id->sha1[0], hex + 2) == -1)
120 638f9024 2019-05-13 stsp err = got_error_from_errno("asprintf");
124 d1cda826 2017-11-06 stsp free(path_objects);
125 d1cda826 2017-11-06 stsp return err;
128 762d73f4 2021-04-10 stsp const struct got_error *
129 762d73f4 2021-04-10 stsp got_object_open_loose_fd(int *fd, struct got_object_id *id,
130 4796fb13 2018-12-23 stsp struct got_repository *repo)
132 d1cda826 2017-11-06 stsp const struct got_error *err = NULL;
133 a1fd68d8 2018-01-12 stsp char *path;
135 90bdb554 2019-04-11 stsp err = got_object_get_path(&path, id, repo);
137 d1cda826 2017-11-06 stsp return err;
138 a5b57ccf 2019-04-11 stsp *fd = open(path, O_RDONLY | O_NOFOLLOW);
139 d5003b79 2018-04-22 stsp if (*fd == -1) {
140 e82b1d81 2019-07-27 stsp err = got_error_from_errno2("open", path);
144 4558fcd4 2018-01-14 stsp free(path);
145 2090a03d 2018-09-09 stsp return err;
148 2090a03d 2018-09-09 stsp static const struct got_error *
149 a158c901 2018-12-23 stsp request_packed_object(struct got_object **obj, struct got_pack *pack, int idx,
150 a158c901 2018-12-23 stsp struct got_object_id *id)
152 a158c901 2018-12-23 stsp const struct got_error *err = NULL;
153 a158c901 2018-12-23 stsp struct imsgbuf *ibuf = pack->privsep_child->ibuf;
155 a158c901 2018-12-23 stsp err = got_privsep_send_packed_obj_req(ibuf, idx, id);
157 a158c901 2018-12-23 stsp return err;
159 a158c901 2018-12-23 stsp err = got_privsep_recv_obj(obj, ibuf);
161 a158c901 2018-12-23 stsp return err;
163 a158c901 2018-12-23 stsp memcpy(&(*obj)->id, id, sizeof((*obj)->id));
165 a158c901 2018-12-23 stsp return NULL;
168 59d1e4a0 2021-03-10 stsp static const struct got_error *
169 59d1e4a0 2021-03-10 stsp request_packed_object_raw(uint8_t **outbuf, off_t *size, size_t *hdrlen,
170 59d1e4a0 2021-03-10 stsp int outfd, struct got_pack *pack, int idx, struct got_object_id *id)
172 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
173 59d1e4a0 2021-03-10 stsp struct imsgbuf *ibuf = pack->privsep_child->ibuf;
174 59d1e4a0 2021-03-10 stsp int outfd_child;
175 59d1e4a0 2021-03-10 stsp int basefd, accumfd; /* temporary files for delta application */
177 59d1e4a0 2021-03-10 stsp basefd = got_opentempfd();
178 59d1e4a0 2021-03-10 stsp if (basefd == -1)
179 59d1e4a0 2021-03-10 stsp return got_error_from_errno("got_opentempfd");
181 59d1e4a0 2021-03-10 stsp accumfd = got_opentempfd();
182 59d1e4a0 2021-03-10 stsp if (accumfd == -1) {
183 59d1e4a0 2021-03-10 stsp close(basefd);
184 59d1e4a0 2021-03-10 stsp return got_error_from_errno("got_opentempfd");
187 59d1e4a0 2021-03-10 stsp outfd_child = dup(outfd);
188 59d1e4a0 2021-03-10 stsp if (outfd_child == -1) {
189 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("dup");
190 59d1e4a0 2021-03-10 stsp close(basefd);
191 59d1e4a0 2021-03-10 stsp close(accumfd);
192 59d1e4a0 2021-03-10 stsp return err;
195 59d1e4a0 2021-03-10 stsp err = got_privsep_send_packed_raw_obj_req(ibuf, idx, id);
197 59d1e4a0 2021-03-10 stsp close(basefd);
198 59d1e4a0 2021-03-10 stsp close(accumfd);
199 59d1e4a0 2021-03-10 stsp close(outfd_child);
200 59d1e4a0 2021-03-10 stsp return err;
203 59d1e4a0 2021-03-10 stsp err = got_privsep_send_raw_obj_outfd(ibuf, outfd_child);
205 59d1e4a0 2021-03-10 stsp close(basefd);
206 59d1e4a0 2021-03-10 stsp close(accumfd);
207 59d1e4a0 2021-03-10 stsp return err;
211 59d1e4a0 2021-03-10 stsp err = got_privsep_send_tmpfd(pack->privsep_child->ibuf,
214 59d1e4a0 2021-03-10 stsp close(accumfd);
215 59d1e4a0 2021-03-10 stsp return err;
218 59d1e4a0 2021-03-10 stsp err = got_privsep_send_tmpfd(pack->privsep_child->ibuf,
221 59d1e4a0 2021-03-10 stsp return err;
223 59d1e4a0 2021-03-10 stsp err = got_privsep_recv_raw_obj(outbuf, size, hdrlen, ibuf);
225 59d1e4a0 2021-03-10 stsp return err;
227 59d1e4a0 2021-03-10 stsp return NULL;
230 da506691 2019-05-22 stsp static void
231 b48e2ddb 2019-05-22 stsp set_max_datasize(void)
233 b48e2ddb 2019-05-22 stsp struct rlimit rl;
235 b48e2ddb 2019-05-22 stsp if (getrlimit(RLIMIT_DATA, &rl) != 0)
238 b48e2ddb 2019-05-22 stsp rl.rlim_cur = rl.rlim_max;
239 b48e2ddb 2019-05-22 stsp setrlimit(RLIMIT_DATA, &rl);
242 a158c901 2018-12-23 stsp static const struct got_error *
243 711fb6e8 2018-12-23 stsp start_pack_privsep_child(struct got_pack *pack, struct got_packidx *packidx)
245 a158c901 2018-12-23 stsp const struct got_error *err = NULL;
246 a158c901 2018-12-23 stsp int imsg_fds[2];
248 a158c901 2018-12-23 stsp struct imsgbuf *ibuf;
250 a158c901 2018-12-23 stsp ibuf = calloc(1, sizeof(*ibuf));
251 a158c901 2018-12-23 stsp if (ibuf == NULL)
252 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
254 a158c901 2018-12-23 stsp pack->privsep_child = calloc(1, sizeof(*pack->privsep_child));
255 a158c901 2018-12-23 stsp if (pack->privsep_child == NULL) {
256 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
257 a158c901 2018-12-23 stsp free(ibuf);
258 a158c901 2018-12-23 stsp return err;
261 a158c901 2018-12-23 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_fds) == -1) {
262 638f9024 2019-05-13 stsp err = got_error_from_errno("socketpair");
266 a158c901 2018-12-23 stsp pid = fork();
267 a158c901 2018-12-23 stsp if (pid == -1) {
268 638f9024 2019-05-13 stsp err = got_error_from_errno("fork");
270 a158c901 2018-12-23 stsp } else if (pid == 0) {
271 b48e2ddb 2019-05-22 stsp set_max_datasize();
272 aba9c984 2019-09-08 stsp got_privsep_exec_child(imsg_fds, GOT_PATH_PROG_READ_PACK,
273 a158c901 2018-12-23 stsp pack->path_packfile);
274 a158c901 2018-12-23 stsp /* not reached */
277 08578a35 2021-01-22 stsp if (close(imsg_fds[1]) == -1)
278 638f9024 2019-05-13 stsp return got_error_from_errno("close");
279 a158c901 2018-12-23 stsp pack->privsep_child->imsg_fd = imsg_fds[0];
280 a158c901 2018-12-23 stsp pack->privsep_child->pid = pid;
281 a158c901 2018-12-23 stsp imsg_init(ibuf, imsg_fds[0]);
282 a158c901 2018-12-23 stsp pack->privsep_child->ibuf = ibuf;
284 a158c901 2018-12-23 stsp err = got_privsep_init_pack_child(ibuf, pack, packidx);
286 a158c901 2018-12-23 stsp const struct got_error *child_err;
287 a158c901 2018-12-23 stsp err = got_privsep_send_stop(pack->privsep_child->imsg_fd);
288 a158c901 2018-12-23 stsp child_err = got_privsep_wait_for_child(
289 a158c901 2018-12-23 stsp pack->privsep_child->pid);
290 a158c901 2018-12-23 stsp if (child_err && err == NULL)
291 a158c901 2018-12-23 stsp err = child_err;
295 a158c901 2018-12-23 stsp free(ibuf);
296 a158c901 2018-12-23 stsp free(pack->privsep_child);
297 a158c901 2018-12-23 stsp pack->privsep_child = NULL;
299 a158c901 2018-12-23 stsp return err;
302 711fb6e8 2018-12-23 stsp static const struct got_error *
303 711fb6e8 2018-12-23 stsp read_packed_object_privsep(struct got_object **obj,
304 711fb6e8 2018-12-23 stsp struct got_repository *repo, struct got_pack *pack,
305 711fb6e8 2018-12-23 stsp struct got_packidx *packidx, int idx, struct got_object_id *id)
307 711fb6e8 2018-12-23 stsp const struct got_error *err = NULL;
309 59d1e4a0 2021-03-10 stsp if (pack->privsep_child == NULL) {
310 59d1e4a0 2021-03-10 stsp err = start_pack_privsep_child(pack, packidx);
312 59d1e4a0 2021-03-10 stsp return err;
315 711fb6e8 2018-12-23 stsp return request_packed_object(obj, pack, idx, id);
318 59d1e4a0 2021-03-10 stsp static const struct got_error *
319 59d1e4a0 2021-03-10 stsp read_packed_object_raw_privsep(uint8_t **outbuf, off_t *size, size_t *hdrlen,
320 59d1e4a0 2021-03-10 stsp int outfd, struct got_pack *pack, struct got_packidx *packidx, int idx,
321 59d1e4a0 2021-03-10 stsp struct got_object_id *id)
323 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
325 59d1e4a0 2021-03-10 stsp if (pack->privsep_child == NULL) {
326 59d1e4a0 2021-03-10 stsp err = start_pack_privsep_child(pack, packidx);
328 59d1e4a0 2021-03-10 stsp return err;
331 59d1e4a0 2021-03-10 stsp return request_packed_object_raw(outbuf, size, hdrlen, outfd, pack,
335 b3d68e7f 2021-07-03 stsp const struct got_error *
336 b3d68e7f 2021-07-03 stsp got_object_open_packed(struct got_object **obj, struct got_object_id *id,
337 2090a03d 2018-09-09 stsp struct got_repository *repo)
339 2090a03d 2018-09-09 stsp const struct got_error *err = NULL;
340 2090a03d 2018-09-09 stsp struct got_pack *pack = NULL;
341 2090a03d 2018-09-09 stsp struct got_packidx *packidx = NULL;
343 2090a03d 2018-09-09 stsp char *path_packfile;
345 2090a03d 2018-09-09 stsp err = got_repo_search_packidx(&packidx, &idx, repo, id);
347 2090a03d 2018-09-09 stsp return err;
349 aea75d87 2021-07-06 stsp err = got_packidx_get_packfile_path(&path_packfile,
350 aea75d87 2021-07-06 stsp packidx->path_packidx);
352 2090a03d 2018-09-09 stsp return err;
354 2090a03d 2018-09-09 stsp pack = got_repo_get_cached_pack(repo, path_packfile);
355 2090a03d 2018-09-09 stsp if (pack == NULL) {
356 2090a03d 2018-09-09 stsp err = got_repo_cache_pack(&pack, repo, path_packfile, packidx);
361 a158c901 2018-12-23 stsp err = read_packed_object_privsep(obj, repo, pack, packidx, idx, id);
365 2090a03d 2018-09-09 stsp free(path_packfile);
366 4558fcd4 2018-01-14 stsp return err;
369 9f2369b0 2018-12-24 stsp static const struct got_error *
370 d5c81d44 2021-07-08 stsp request_object(struct got_object **obj, struct got_object_id *id,
371 d5c81d44 2021-07-08 stsp struct got_repository *repo, int fd)
373 9f2369b0 2018-12-24 stsp const struct got_error *err = NULL;
374 9f2369b0 2018-12-24 stsp struct imsgbuf *ibuf;
376 9f2369b0 2018-12-24 stsp ibuf = repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_OBJECT].ibuf;
378 d5c81d44 2021-07-08 stsp err = got_privsep_send_obj_req(ibuf, fd, id);
380 9f2369b0 2018-12-24 stsp return err;
382 9f2369b0 2018-12-24 stsp return got_privsep_recv_obj(obj, ibuf);
385 9f2369b0 2018-12-24 stsp static const struct got_error *
386 59d1e4a0 2021-03-10 stsp request_raw_object(uint8_t **outbuf, off_t *size, size_t *hdrlen, int outfd,
387 d5c81d44 2021-07-08 stsp struct got_object_id *id, struct got_repository *repo, int infd)
389 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
390 59d1e4a0 2021-03-10 stsp struct imsgbuf *ibuf;
391 59d1e4a0 2021-03-10 stsp int outfd_child;
393 59d1e4a0 2021-03-10 stsp ibuf = repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_OBJECT].ibuf;
395 59d1e4a0 2021-03-10 stsp outfd_child = dup(outfd);
396 59d1e4a0 2021-03-10 stsp if (outfd_child == -1)
397 59d1e4a0 2021-03-10 stsp return got_error_from_errno("dup");
399 d5c81d44 2021-07-08 stsp err = got_privsep_send_raw_obj_req(ibuf, infd, id);
401 59d1e4a0 2021-03-10 stsp return err;
403 59d1e4a0 2021-03-10 stsp err = got_privsep_send_raw_obj_outfd(ibuf, outfd_child);
405 59d1e4a0 2021-03-10 stsp return err;
407 59d1e4a0 2021-03-10 stsp return got_privsep_recv_raw_obj(outbuf, size, hdrlen, ibuf);
410 59d1e4a0 2021-03-10 stsp static const struct got_error *
411 59d1e4a0 2021-03-10 stsp start_read_object_child(struct got_repository *repo)
413 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
414 9f2369b0 2018-12-24 stsp int imsg_fds[2];
416 9f2369b0 2018-12-24 stsp struct imsgbuf *ibuf;
418 9f2369b0 2018-12-24 stsp ibuf = calloc(1, sizeof(*ibuf));
419 9f2369b0 2018-12-24 stsp if (ibuf == NULL)
420 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
422 ddc7b220 2019-09-08 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_fds) == -1) {
423 ddc7b220 2019-09-08 stsp err = got_error_from_errno("socketpair");
424 ddc7b220 2019-09-08 stsp free(ibuf);
425 ddc7b220 2019-09-08 stsp return err;
428 9f2369b0 2018-12-24 stsp pid = fork();
429 ddc7b220 2019-09-08 stsp if (pid == -1) {
430 ddc7b220 2019-09-08 stsp err = got_error_from_errno("fork");
431 ddc7b220 2019-09-08 stsp free(ibuf);
432 ddc7b220 2019-09-08 stsp return err;
434 9f2369b0 2018-12-24 stsp else if (pid == 0) {
435 aba9c984 2019-09-08 stsp got_privsep_exec_child(imsg_fds, GOT_PATH_PROG_READ_OBJECT,
436 9f2369b0 2018-12-24 stsp repo->path);
437 9f2369b0 2018-12-24 stsp /* not reached */
440 08578a35 2021-01-22 stsp if (close(imsg_fds[1]) == -1) {
441 ddc7b220 2019-09-08 stsp err = got_error_from_errno("close");
442 ddc7b220 2019-09-08 stsp free(ibuf);
443 ddc7b220 2019-09-08 stsp return err;
446 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_OBJECT].imsg_fd =
447 9f2369b0 2018-12-24 stsp imsg_fds[0];
448 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_OBJECT].pid = pid;
449 9f2369b0 2018-12-24 stsp imsg_init(ibuf, imsg_fds[0]);
450 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_OBJECT].ibuf = ibuf;
452 59d1e4a0 2021-03-10 stsp return NULL;
455 b3d68e7f 2021-07-03 stsp const struct got_error *
456 b3d68e7f 2021-07-03 stsp got_object_read_header_privsep(struct got_object **obj,
457 d5c81d44 2021-07-08 stsp struct got_object_id *id, struct got_repository *repo, int obj_fd)
459 59d1e4a0 2021-03-10 stsp const struct got_error *err;
461 59d1e4a0 2021-03-10 stsp if (repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_OBJECT].imsg_fd != -1)
462 d5c81d44 2021-07-08 stsp return request_object(obj, id, repo, obj_fd);
464 59d1e4a0 2021-03-10 stsp err = start_read_object_child(repo);
466 7495ec13 2021-04-04 stsp close(obj_fd);
467 59d1e4a0 2021-03-10 stsp return err;
470 d5c81d44 2021-07-08 stsp return request_object(obj, id, repo, obj_fd);
473 59d1e4a0 2021-03-10 stsp static const struct got_error *
474 59d1e4a0 2021-03-10 stsp read_object_raw_privsep(uint8_t **outbuf, off_t *size, size_t *hdrlen,
475 d5c81d44 2021-07-08 stsp int outfd, struct got_object_id *id, struct got_repository *repo,
476 d5c81d44 2021-07-08 stsp int obj_fd)
478 59d1e4a0 2021-03-10 stsp const struct got_error *err;
480 59d1e4a0 2021-03-10 stsp if (repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_OBJECT].imsg_fd != -1)
481 d5c81d44 2021-07-08 stsp return request_raw_object(outbuf, size, hdrlen, outfd, id,
482 d5c81d44 2021-07-08 stsp repo, obj_fd);
484 59d1e4a0 2021-03-10 stsp err = start_read_object_child(repo);
486 59d1e4a0 2021-03-10 stsp return err;
488 d5c81d44 2021-07-08 stsp return request_raw_object(outbuf, size, hdrlen, outfd, id, repo,
492 4558fcd4 2018-01-14 stsp const struct got_error *
493 4558fcd4 2018-01-14 stsp got_object_open(struct got_object **obj, struct got_repository *repo,
494 4558fcd4 2018-01-14 stsp struct got_object_id *id)
496 6c00b545 2018-01-17 stsp const struct got_error *err = NULL;
499 7bb0daa1 2018-06-21 stsp *obj = got_repo_get_cached_object(repo, id);
500 7bb0daa1 2018-06-21 stsp if (*obj != NULL) {
501 7bb0daa1 2018-06-21 stsp (*obj)->refcnt++;
502 7bb0daa1 2018-06-21 stsp return NULL;
505 b3d68e7f 2021-07-03 stsp err = got_object_open_packed(obj, id, repo);
506 e82b1d81 2019-07-27 stsp if (err && err->code != GOT_ERR_NO_OBJ)
507 e82b1d81 2019-07-27 stsp return err;
508 e82b1d81 2019-07-27 stsp if (*obj) {
509 e82b1d81 2019-07-27 stsp (*obj)->refcnt++;
510 e82b1d81 2019-07-27 stsp return got_repo_cache_object(repo, id, *obj);
513 762d73f4 2021-04-10 stsp err = got_object_open_loose_fd(&fd, id, repo);
515 762d73f4 2021-04-10 stsp if (err->code == GOT_ERR_ERRNO && errno == ENOENT)
516 762d73f4 2021-04-10 stsp err = got_error_no_obj(id);
517 762d73f4 2021-04-10 stsp return err;
520 d5c81d44 2021-07-08 stsp err = got_object_read_header_privsep(obj, id, repo, fd);
522 4558fcd4 2018-01-14 stsp return err;
524 762d73f4 2021-04-10 stsp memcpy((*obj)->id.sha1, id->sha1, SHA1_DIGEST_LENGTH);
526 59790a32 2018-09-15 stsp (*obj)->refcnt++;
527 762d73f4 2021-04-10 stsp return got_repo_cache_object(repo, id, *obj);
530 59d1e4a0 2021-03-10 stsp const struct got_error *
531 59d1e4a0 2021-03-10 stsp got_object_raw_open(struct got_raw_object **obj, struct got_repository *repo,
532 59d1e4a0 2021-03-10 stsp struct got_object_id *id, size_t blocksize)
534 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
535 59d1e4a0 2021-03-10 stsp struct got_packidx *packidx = NULL;
537 59d1e4a0 2021-03-10 stsp uint8_t *outbuf = NULL;
538 59d1e4a0 2021-03-10 stsp int outfd = -1;
539 59d1e4a0 2021-03-10 stsp off_t size = 0;
540 59d1e4a0 2021-03-10 stsp size_t hdrlen = 0;
541 59d1e4a0 2021-03-10 stsp char *path_packfile = NULL;
543 59d1e4a0 2021-03-10 stsp *obj = NULL;
545 59d1e4a0 2021-03-10 stsp outfd = got_opentempfd();
546 59d1e4a0 2021-03-10 stsp if (outfd == -1)
547 59d1e4a0 2021-03-10 stsp return got_error_from_errno("got_opentempfd");
549 59d1e4a0 2021-03-10 stsp err = got_repo_search_packidx(&packidx, &idx, repo, id);
550 59d1e4a0 2021-03-10 stsp if (err == NULL) {
551 59d1e4a0 2021-03-10 stsp struct got_pack *pack = NULL;
553 aea75d87 2021-07-06 stsp err = got_packidx_get_packfile_path(&path_packfile,
554 aea75d87 2021-07-06 stsp packidx->path_packidx);
558 59d1e4a0 2021-03-10 stsp pack = got_repo_get_cached_pack(repo, path_packfile);
559 59d1e4a0 2021-03-10 stsp if (pack == NULL) {
560 59d1e4a0 2021-03-10 stsp err = got_repo_cache_pack(&pack, repo, path_packfile,
565 59d1e4a0 2021-03-10 stsp err = read_packed_object_raw_privsep(&outbuf, &size, &hdrlen,
566 59d1e4a0 2021-03-10 stsp outfd, pack, packidx, idx, id);
567 59d1e4a0 2021-03-10 stsp } else if (err->code == GOT_ERR_NO_OBJ) {
570 762d73f4 2021-04-10 stsp err = got_object_open_loose_fd(&fd, id, repo);
573 59d1e4a0 2021-03-10 stsp err = read_object_raw_privsep(&outbuf, &size, &hdrlen, outfd,
574 d5c81d44 2021-07-08 stsp id, repo, fd);
577 59d1e4a0 2021-03-10 stsp *obj = calloc(1, sizeof(**obj));
578 59d1e4a0 2021-03-10 stsp if (*obj == NULL) {
579 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("calloc");
583 59d1e4a0 2021-03-10 stsp (*obj)->read_buf = malloc(blocksize);
584 59d1e4a0 2021-03-10 stsp if ((*obj)->read_buf == NULL) {
585 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("malloc");
589 59d1e4a0 2021-03-10 stsp if (outbuf) {
590 59d1e4a0 2021-03-10 stsp if (close(outfd) == -1) {
591 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("close");
594 59d1e4a0 2021-03-10 stsp outfd = -1;
595 59d1e4a0 2021-03-10 stsp (*obj)->f = fmemopen(outbuf, hdrlen + size, "r");
596 59d1e4a0 2021-03-10 stsp if ((*obj)->f == NULL) {
597 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("fdopen");
600 59d1e4a0 2021-03-10 stsp (*obj)->data = outbuf;
602 59d1e4a0 2021-03-10 stsp struct stat sb;
603 59d1e4a0 2021-03-10 stsp if (fstat(outfd, &sb) == -1) {
604 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("fstat");
608 a8591711 2021-06-18 stsp if (sb.st_size != hdrlen + size) {
609 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
613 59d1e4a0 2021-03-10 stsp (*obj)->f = fdopen(outfd, "r");
614 59d1e4a0 2021-03-10 stsp if ((*obj)->f == NULL) {
615 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("fdopen");
618 59d1e4a0 2021-03-10 stsp outfd = -1;
619 59d1e4a0 2021-03-10 stsp (*obj)->data = NULL;
621 59d1e4a0 2021-03-10 stsp (*obj)->hdrlen = hdrlen;
622 59d1e4a0 2021-03-10 stsp (*obj)->size = size;
623 59d1e4a0 2021-03-10 stsp (*obj)->blocksize = blocksize;
625 59d1e4a0 2021-03-10 stsp free(path_packfile);
627 59d1e4a0 2021-03-10 stsp if (*obj) {
628 59d1e4a0 2021-03-10 stsp got_object_raw_close(*obj);
629 59d1e4a0 2021-03-10 stsp *obj = NULL;
631 59d1e4a0 2021-03-10 stsp if (outfd != -1)
632 59d1e4a0 2021-03-10 stsp close(outfd);
633 59d1e4a0 2021-03-10 stsp free(outbuf);
635 59d1e4a0 2021-03-10 stsp return err;
639 59d1e4a0 2021-03-10 stsp got_object_raw_rewind(struct got_raw_object *obj)
641 59d1e4a0 2021-03-10 stsp if (obj->f)
642 59d1e4a0 2021-03-10 stsp rewind(obj->f);
646 59d1e4a0 2021-03-10 stsp got_object_raw_get_hdrlen(struct got_raw_object *obj)
648 59d1e4a0 2021-03-10 stsp return obj->hdrlen;
651 59d1e4a0 2021-03-10 stsp const uint8_t *
652 59d1e4a0 2021-03-10 stsp got_object_raw_get_read_buf(struct got_raw_object *obj)
654 59d1e4a0 2021-03-10 stsp return obj->read_buf;
657 59d1e4a0 2021-03-10 stsp const struct got_error *
658 59d1e4a0 2021-03-10 stsp got_object_raw_read_block(size_t *outlenp, struct got_raw_object *obj)
662 59d1e4a0 2021-03-10 stsp n = fread(obj->read_buf, 1, obj->blocksize, obj->f);
663 59d1e4a0 2021-03-10 stsp if (n == 0 && ferror(obj->f))
664 59d1e4a0 2021-03-10 stsp return got_ferror(obj->f, GOT_ERR_IO);
665 59d1e4a0 2021-03-10 stsp *outlenp = n;
666 59d1e4a0 2021-03-10 stsp return NULL;
669 59d1e4a0 2021-03-10 stsp const struct got_error *
670 59d1e4a0 2021-03-10 stsp got_object_raw_close(struct got_raw_object *obj)
672 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
674 59d1e4a0 2021-03-10 stsp free(obj->read_buf);
675 59d1e4a0 2021-03-10 stsp if (obj->f != NULL && fclose(obj->f) == EOF && err == NULL)
676 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("fclose");
677 59d1e4a0 2021-03-10 stsp free(obj->data);
679 59d1e4a0 2021-03-10 stsp return err;
682 6dfa2fd3 2018-02-12 stsp const struct got_error *
683 6dfa2fd3 2018-02-12 stsp got_object_open_by_id_str(struct got_object **obj, struct got_repository *repo,
684 6dfa2fd3 2018-02-12 stsp const char *id_str)
686 6dfa2fd3 2018-02-12 stsp struct got_object_id id;
688 6dfa2fd3 2018-02-12 stsp if (!got_parse_sha1_digest(id.sha1, id_str))
689 6dd1ece6 2019-11-10 stsp return got_error_path(id_str, GOT_ERR_BAD_OBJ_ID_STR);
691 6dfa2fd3 2018-02-12 stsp return got_object_open(obj, repo, &id);
694 15a94983 2018-12-23 stsp const struct got_error *
695 15a94983 2018-12-23 stsp got_object_resolve_id_str(struct got_object_id **id,
696 15a94983 2018-12-23 stsp struct got_repository *repo, const char *id_str)
698 15a94983 2018-12-23 stsp const struct got_error *err = NULL;
699 15a94983 2018-12-23 stsp struct got_object *obj;
701 15a94983 2018-12-23 stsp err = got_object_open_by_id_str(&obj, repo, id_str);
703 15a94983 2018-12-23 stsp return err;
705 15a94983 2018-12-23 stsp *id = got_object_id_dup(got_object_get_id(obj));
706 15a94983 2018-12-23 stsp got_object_close(obj);
707 15a94983 2018-12-23 stsp if (*id == NULL)
708 638f9024 2019-05-13 stsp return got_error_from_errno("got_object_id_dup");
710 15a94983 2018-12-23 stsp return NULL;
713 434025f3 2018-09-16 stsp static const struct got_error *
714 a158c901 2018-12-23 stsp request_packed_commit(struct got_commit_object **commit, struct got_pack *pack,
715 a158c901 2018-12-23 stsp int pack_idx, struct got_object_id *id)
717 a158c901 2018-12-23 stsp const struct got_error *err = NULL;
719 a158c901 2018-12-23 stsp err = got_privsep_send_commit_req(pack->privsep_child->ibuf, -1, id,
722 a158c901 2018-12-23 stsp return err;
724 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_commit(commit, pack->privsep_child->ibuf);
726 ca6e02ac 2020-01-07 stsp return err;
728 ca6e02ac 2020-01-07 stsp (*commit)->flags |= GOT_COMMIT_FLAG_PACKED;
729 ca6e02ac 2020-01-07 stsp return NULL;
732 a158c901 2018-12-23 stsp static const struct got_error *
733 a158c901 2018-12-23 stsp read_packed_commit_privsep(struct got_commit_object **commit,
734 a158c901 2018-12-23 stsp struct got_pack *pack, struct got_packidx *packidx, int idx,
735 a158c901 2018-12-23 stsp struct got_object_id *id)
737 a158c901 2018-12-23 stsp const struct got_error *err = NULL;
739 a158c901 2018-12-23 stsp if (pack->privsep_child)
740 a158c901 2018-12-23 stsp return request_packed_commit(commit, pack, idx, id);
742 711fb6e8 2018-12-23 stsp err = start_pack_privsep_child(pack, packidx);
744 a158c901 2018-12-23 stsp return err;
746 711fb6e8 2018-12-23 stsp return request_packed_commit(commit, pack, idx, id);
749 9f2369b0 2018-12-24 stsp static const struct got_error *
750 9f2369b0 2018-12-24 stsp request_commit(struct got_commit_object **commit, struct got_repository *repo,
751 d5c81d44 2021-07-08 stsp int fd, struct got_object_id *id)
753 9f2369b0 2018-12-24 stsp const struct got_error *err = NULL;
754 9f2369b0 2018-12-24 stsp struct imsgbuf *ibuf;
756 9f2369b0 2018-12-24 stsp ibuf = repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_COMMIT].ibuf;
758 d5c81d44 2021-07-08 stsp err = got_privsep_send_commit_req(ibuf, fd, id, -1);
760 9f2369b0 2018-12-24 stsp return err;
762 9f2369b0 2018-12-24 stsp return got_privsep_recv_commit(commit, ibuf);
765 9f2369b0 2018-12-24 stsp static const struct got_error *
766 9f2369b0 2018-12-24 stsp read_commit_privsep(struct got_commit_object **commit, int obj_fd,
767 d5c81d44 2021-07-08 stsp struct got_object_id *id, struct got_repository *repo)
769 ddc7b220 2019-09-08 stsp const struct got_error *err;
770 9f2369b0 2018-12-24 stsp int imsg_fds[2];
772 9f2369b0 2018-12-24 stsp struct imsgbuf *ibuf;
774 9f2369b0 2018-12-24 stsp if (repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_COMMIT].imsg_fd != -1)
775 d5c81d44 2021-07-08 stsp return request_commit(commit, repo, obj_fd, id);
777 9f2369b0 2018-12-24 stsp ibuf = calloc(1, sizeof(*ibuf));
778 9f2369b0 2018-12-24 stsp if (ibuf == NULL)
779 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
781 ddc7b220 2019-09-08 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_fds) == -1) {
782 ddc7b220 2019-09-08 stsp err = got_error_from_errno("socketpair");
783 ddc7b220 2019-09-08 stsp free(ibuf);
784 ddc7b220 2019-09-08 stsp return err;
787 9f2369b0 2018-12-24 stsp pid = fork();
788 ddc7b220 2019-09-08 stsp if (pid == -1) {
789 ddc7b220 2019-09-08 stsp err = got_error_from_errno("fork");
790 ddc7b220 2019-09-08 stsp free(ibuf);
791 ddc7b220 2019-09-08 stsp return err;
793 9f2369b0 2018-12-24 stsp else if (pid == 0) {
794 aba9c984 2019-09-08 stsp got_privsep_exec_child(imsg_fds, GOT_PATH_PROG_READ_COMMIT,
795 9f2369b0 2018-12-24 stsp repo->path);
796 9f2369b0 2018-12-24 stsp /* not reached */
799 08578a35 2021-01-22 stsp if (close(imsg_fds[1]) == -1) {
800 ddc7b220 2019-09-08 stsp err = got_error_from_errno("close");
801 ddc7b220 2019-09-08 stsp free(ibuf);
802 ddc7b220 2019-09-08 stsp return err;
804 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_COMMIT].imsg_fd =
805 9f2369b0 2018-12-24 stsp imsg_fds[0];
806 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_COMMIT].pid = pid;
807 9f2369b0 2018-12-24 stsp imsg_init(ibuf, imsg_fds[0]);
808 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_COMMIT].ibuf = ibuf;
810 d5c81d44 2021-07-08 stsp return request_commit(commit, repo, obj_fd, id);
814 a158c901 2018-12-23 stsp static const struct got_error *
815 434025f3 2018-09-16 stsp open_commit(struct got_commit_object **commit,
816 1785f84a 2018-12-23 stsp struct got_repository *repo, struct got_object_id *id, int check_cache)
818 434025f3 2018-09-16 stsp const struct got_error *err = NULL;
819 1785f84a 2018-12-23 stsp struct got_packidx *packidx = NULL;
821 8d2c5ea3 2019-08-13 stsp char *path_packfile = NULL;
823 434025f3 2018-09-16 stsp if (check_cache) {
824 1785f84a 2018-12-23 stsp *commit = got_repo_get_cached_commit(repo, id);
825 434025f3 2018-09-16 stsp if (*commit != NULL) {
826 434025f3 2018-09-16 stsp (*commit)->refcnt++;
827 434025f3 2018-09-16 stsp return NULL;
830 434025f3 2018-09-16 stsp *commit = NULL;
832 e82b1d81 2019-07-27 stsp err = got_repo_search_packidx(&packidx, &idx, repo, id);
833 e82b1d81 2019-07-27 stsp if (err == NULL) {
834 1785f84a 2018-12-23 stsp struct got_pack *pack = NULL;
836 aea75d87 2021-07-06 stsp err = got_packidx_get_packfile_path(&path_packfile,
837 aea75d87 2021-07-06 stsp packidx->path_packidx);
839 1785f84a 2018-12-23 stsp return err;
841 1785f84a 2018-12-23 stsp pack = got_repo_get_cached_pack(repo, path_packfile);
842 434025f3 2018-09-16 stsp if (pack == NULL) {
843 1785f84a 2018-12-23 stsp err = got_repo_cache_pack(&pack, repo, path_packfile,
848 a158c901 2018-12-23 stsp err = read_packed_commit_privsep(commit, pack,
849 1785f84a 2018-12-23 stsp packidx, idx, id);
850 e82b1d81 2019-07-27 stsp } else if (err->code == GOT_ERR_NO_OBJ) {
853 762d73f4 2021-04-10 stsp err = got_object_open_loose_fd(&fd, id, repo);
855 e82b1d81 2019-07-27 stsp return err;
856 d5c81d44 2021-07-08 stsp err = read_commit_privsep(commit, fd, id, repo);
859 434025f3 2018-09-16 stsp if (err == NULL) {
860 434025f3 2018-09-16 stsp (*commit)->refcnt++;
861 1785f84a 2018-12-23 stsp err = got_repo_cache_commit(repo, id, *commit);
864 8d2c5ea3 2019-08-13 stsp free(path_packfile);
865 e32baab7 2018-11-05 stsp return err;
868 e32baab7 2018-11-05 stsp const struct got_error *
869 e32baab7 2018-11-05 stsp got_object_open_as_commit(struct got_commit_object **commit,
870 e32baab7 2018-11-05 stsp struct got_repository *repo, struct got_object_id *id)
872 e32baab7 2018-11-05 stsp *commit = got_repo_get_cached_commit(repo, id);
873 e32baab7 2018-11-05 stsp if (*commit != NULL) {
874 e32baab7 2018-11-05 stsp (*commit)->refcnt++;
875 e32baab7 2018-11-05 stsp return NULL;
878 1785f84a 2018-12-23 stsp return open_commit(commit, repo, id, 0);
881 e32baab7 2018-11-05 stsp const struct got_error *
882 e32baab7 2018-11-05 stsp got_object_commit_open(struct got_commit_object **commit,
883 e32baab7 2018-11-05 stsp struct got_repository *repo, struct got_object *obj)
885 1785f84a 2018-12-23 stsp return open_commit(commit, repo, got_object_get_id(obj), 1);
888 434025f3 2018-09-16 stsp const struct got_error *
889 dbc6a6b6 2018-07-12 stsp got_object_qid_alloc(struct got_object_qid **qid, struct got_object_id *id)
891 dbc6a6b6 2018-07-12 stsp const struct got_error *err = NULL;
893 dbc6a6b6 2018-07-12 stsp *qid = calloc(1, sizeof(**qid));
894 dbc6a6b6 2018-07-12 stsp if (*qid == NULL)
895 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
897 dbc6a6b6 2018-07-12 stsp (*qid)->id = got_object_id_dup(id);
898 dbc6a6b6 2018-07-12 stsp if ((*qid)->id == NULL) {
899 638f9024 2019-05-13 stsp err = got_error_from_errno("got_object_id_dup");
900 fa2f6902 2018-07-23 stsp got_object_qid_free(*qid);
901 dbc6a6b6 2018-07-12 stsp *qid = NULL;
902 dbc6a6b6 2018-07-12 stsp return err;
905 9ca9aafb 2021-06-18 stsp return NULL;
908 9ca9aafb 2021-06-18 stsp const struct got_error *
909 9ca9aafb 2021-06-18 stsp got_object_id_queue_copy(const struct got_object_id_queue *src,
910 9ca9aafb 2021-06-18 stsp struct got_object_id_queue *dest)
912 9ca9aafb 2021-06-18 stsp const struct got_error *err;
913 9ca9aafb 2021-06-18 stsp struct got_object_qid *qid;
915 dbdddfee 2021-06-23 naddy STAILQ_FOREACH(qid, src, entry) {
916 9ca9aafb 2021-06-18 stsp struct got_object_qid *new;
918 9ca9aafb 2021-06-18 stsp * Deep-copy the object ID only. Let the caller deal
919 9ca9aafb 2021-06-18 stsp * with setting up the new->data pointer if needed.
921 9ca9aafb 2021-06-18 stsp err = got_object_qid_alloc(&new, qid->id);
923 9ca9aafb 2021-06-18 stsp got_object_id_queue_free(dest);
924 9ca9aafb 2021-06-18 stsp return err;
926 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(dest, new, entry);
929 dbc6a6b6 2018-07-12 stsp return NULL;
932 a158c901 2018-12-23 stsp static const struct got_error *
933 13c729f7 2018-12-24 stsp request_packed_tree(struct got_tree_object **tree, struct got_pack *pack,
934 13c729f7 2018-12-24 stsp int pack_idx, struct got_object_id *id)
936 a158c901 2018-12-23 stsp const struct got_error *err = NULL;
938 13c729f7 2018-12-24 stsp err = got_privsep_send_tree_req(pack->privsep_child->ibuf, -1, id,
941 a158c901 2018-12-23 stsp return err;
943 a158c901 2018-12-23 stsp return got_privsep_recv_tree(tree, pack->privsep_child->ibuf);
946 71eb0e7f 2018-09-16 stsp static const struct got_error *
947 13c729f7 2018-12-24 stsp read_packed_tree_privsep(struct got_tree_object **tree,
948 13c729f7 2018-12-24 stsp struct got_pack *pack, struct got_packidx *packidx, int idx,
949 13c729f7 2018-12-24 stsp struct got_object_id *id)
951 13c729f7 2018-12-24 stsp const struct got_error *err = NULL;
953 13c729f7 2018-12-24 stsp if (pack->privsep_child)
954 13c729f7 2018-12-24 stsp return request_packed_tree(tree, pack, idx, id);
956 13c729f7 2018-12-24 stsp err = start_pack_privsep_child(pack, packidx);
958 13c729f7 2018-12-24 stsp return err;
960 13c729f7 2018-12-24 stsp return request_packed_tree(tree, pack, idx, id);
963 13c729f7 2018-12-24 stsp static const struct got_error *
964 9f2369b0 2018-12-24 stsp request_tree(struct got_tree_object **tree, struct got_repository *repo,
965 d5c81d44 2021-07-08 stsp int fd, struct got_object_id *id)
967 9f2369b0 2018-12-24 stsp const struct got_error *err = NULL;
968 9f2369b0 2018-12-24 stsp struct imsgbuf *ibuf;
970 9f2369b0 2018-12-24 stsp ibuf = repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TREE].ibuf;
972 d5c81d44 2021-07-08 stsp err = got_privsep_send_tree_req(ibuf, fd, id, -1);
974 9f2369b0 2018-12-24 stsp return err;
976 9f2369b0 2018-12-24 stsp return got_privsep_recv_tree(tree, ibuf);
979 9f2369b0 2018-12-24 stsp const struct got_error *
980 9f2369b0 2018-12-24 stsp read_tree_privsep(struct got_tree_object **tree, int obj_fd,
981 d5c81d44 2021-07-08 stsp struct got_object_id *id, struct got_repository *repo)
983 ddc7b220 2019-09-08 stsp const struct got_error *err;
984 9f2369b0 2018-12-24 stsp int imsg_fds[2];
986 9f2369b0 2018-12-24 stsp struct imsgbuf *ibuf;
988 9f2369b0 2018-12-24 stsp if (repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TREE].imsg_fd != -1)
989 d5c81d44 2021-07-08 stsp return request_tree(tree, repo, obj_fd, id);
991 9f2369b0 2018-12-24 stsp ibuf = calloc(1, sizeof(*ibuf));
992 9f2369b0 2018-12-24 stsp if (ibuf == NULL)
993 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
995 ddc7b220 2019-09-08 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_fds) == -1) {
996 ddc7b220 2019-09-08 stsp err = got_error_from_errno("socketpair");
997 ddc7b220 2019-09-08 stsp free(ibuf);
998 ddc7b220 2019-09-08 stsp return err;
1001 9f2369b0 2018-12-24 stsp pid = fork();
1002 ddc7b220 2019-09-08 stsp if (pid == -1) {
1003 ddc7b220 2019-09-08 stsp err = got_error_from_errno("fork");
1004 ddc7b220 2019-09-08 stsp free(ibuf);
1005 ddc7b220 2019-09-08 stsp return err;
1007 9f2369b0 2018-12-24 stsp else if (pid == 0) {
1008 aba9c984 2019-09-08 stsp got_privsep_exec_child(imsg_fds, GOT_PATH_PROG_READ_TREE,
1009 9f2369b0 2018-12-24 stsp repo->path);
1010 9f2369b0 2018-12-24 stsp /* not reached */
1013 08578a35 2021-01-22 stsp if (close(imsg_fds[1]) == -1) {
1014 ddc7b220 2019-09-08 stsp err = got_error_from_errno("close");
1015 ddc7b220 2019-09-08 stsp free(ibuf);
1016 ddc7b220 2019-09-08 stsp return err;
1018 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TREE].imsg_fd =
1019 9f2369b0 2018-12-24 stsp imsg_fds[0];
1020 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TREE].pid = pid;
1021 9f2369b0 2018-12-24 stsp imsg_init(ibuf, imsg_fds[0]);
1022 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TREE].ibuf = ibuf;
1025 d5c81d44 2021-07-08 stsp return request_tree(tree, repo, obj_fd, id);
1028 9f2369b0 2018-12-24 stsp static const struct got_error *
1029 13c729f7 2018-12-24 stsp open_tree(struct got_tree_object **tree, struct got_repository *repo,
1030 13c729f7 2018-12-24 stsp struct got_object_id *id, int check_cache)
1032 0ffeb3c2 2017-11-26 stsp const struct got_error *err = NULL;
1033 13c729f7 2018-12-24 stsp struct got_packidx *packidx = NULL;
1035 8d2c5ea3 2019-08-13 stsp char *path_packfile = NULL;
1037 71eb0e7f 2018-09-16 stsp if (check_cache) {
1038 13c729f7 2018-12-24 stsp *tree = got_repo_get_cached_tree(repo, id);
1039 71eb0e7f 2018-09-16 stsp if (*tree != NULL) {
1040 71eb0e7f 2018-09-16 stsp (*tree)->refcnt++;
1041 71eb0e7f 2018-09-16 stsp return NULL;
1044 71eb0e7f 2018-09-16 stsp *tree = NULL;
1046 e82b1d81 2019-07-27 stsp err = got_repo_search_packidx(&packidx, &idx, repo, id);
1047 e82b1d81 2019-07-27 stsp if (err == NULL) {
1048 13c729f7 2018-12-24 stsp struct got_pack *pack = NULL;
1050 aea75d87 2021-07-06 stsp err = got_packidx_get_packfile_path(&path_packfile,
1051 aea75d87 2021-07-06 stsp packidx->path_packidx);
1053 13c729f7 2018-12-24 stsp return err;
1055 13c729f7 2018-12-24 stsp pack = got_repo_get_cached_pack(repo, path_packfile);
1056 e7885405 2018-09-10 stsp if (pack == NULL) {
1057 e82b1d81 2019-07-27 stsp err = got_repo_cache_pack(&pack, repo, path_packfile,
1060 8d2c5ea3 2019-08-13 stsp goto done;
1062 13c729f7 2018-12-24 stsp err = read_packed_tree_privsep(tree, pack,
1063 13c729f7 2018-12-24 stsp packidx, idx, id);
1064 e82b1d81 2019-07-27 stsp } else if (err->code == GOT_ERR_NO_OBJ) {
1067 762d73f4 2021-04-10 stsp err = got_object_open_loose_fd(&fd, id, repo);
1069 e82b1d81 2019-07-27 stsp return err;
1070 d5c81d44 2021-07-08 stsp err = read_tree_privsep(tree, fd, id, repo);
1073 f6be5c30 2018-06-22 stsp if (err == NULL) {
1074 f6be5c30 2018-06-22 stsp (*tree)->refcnt++;
1075 13c729f7 2018-12-24 stsp err = got_repo_cache_tree(repo, id, *tree);
1078 8d2c5ea3 2019-08-13 stsp free(path_packfile);
1079 776d4d29 2018-06-17 stsp return err;
1082 776d4d29 2018-06-17 stsp const struct got_error *
1083 776d4d29 2018-06-17 stsp got_object_open_as_tree(struct got_tree_object **tree,
1084 776d4d29 2018-06-17 stsp struct got_repository *repo, struct got_object_id *id)
1086 e8eb494a 2018-09-16 stsp *tree = got_repo_get_cached_tree(repo, id);
1087 e8eb494a 2018-09-16 stsp if (*tree != NULL) {
1088 e8eb494a 2018-09-16 stsp (*tree)->refcnt++;
1089 e8eb494a 2018-09-16 stsp return NULL;
1092 13c729f7 2018-12-24 stsp return open_tree(tree, repo, id, 0);
1095 71eb0e7f 2018-09-16 stsp const struct got_error *
1096 71eb0e7f 2018-09-16 stsp got_object_tree_open(struct got_tree_object **tree,
1097 71eb0e7f 2018-09-16 stsp struct got_repository *repo, struct got_object *obj)
1099 13c729f7 2018-12-24 stsp return open_tree(tree, repo, got_object_get_id(obj), 1);
1103 56e0773d 2019-11-28 stsp got_object_tree_get_nentries(struct got_tree_object *tree)
1105 56e0773d 2019-11-28 stsp return tree->nentries;
1108 56e0773d 2019-11-28 stsp struct got_tree_entry *
1109 56e0773d 2019-11-28 stsp got_object_tree_get_first_entry(struct got_tree_object *tree)
1111 56e0773d 2019-11-28 stsp return got_object_tree_get_entry(tree, 0);
1114 56e0773d 2019-11-28 stsp struct got_tree_entry *
1115 56e0773d 2019-11-28 stsp got_object_tree_get_last_entry(struct got_tree_object *tree)
1117 56e0773d 2019-11-28 stsp return got_object_tree_get_entry(tree, tree->nentries - 1);
1120 56e0773d 2019-11-28 stsp struct got_tree_entry *
1121 56e0773d 2019-11-28 stsp got_object_tree_get_entry(struct got_tree_object *tree, int i)
1123 56e0773d 2019-11-28 stsp if (i < 0 || i >= tree->nentries)
1124 56e0773d 2019-11-28 stsp return NULL;
1125 56e0773d 2019-11-28 stsp return &tree->entries[i];
1129 56e0773d 2019-11-28 stsp got_tree_entry_get_mode(struct got_tree_entry *te)
1131 56e0773d 2019-11-28 stsp return te->mode;
1134 56e0773d 2019-11-28 stsp const char *
1135 56e0773d 2019-11-28 stsp got_tree_entry_get_name(struct got_tree_entry *te)
1137 56e0773d 2019-11-28 stsp return &te->name[0];
1140 56e0773d 2019-11-28 stsp struct got_object_id *
1141 56e0773d 2019-11-28 stsp got_tree_entry_get_id(struct got_tree_entry *te)
1143 56e0773d 2019-11-28 stsp return &te->id;
1146 0d6c6ee3 2020-05-20 stsp const struct got_error *
1147 af57b12a 2020-07-23 stsp got_object_blob_read_to_str(char **s, struct got_blob_object *blob)
1149 0d6c6ee3 2020-05-20 stsp const struct got_error *err = NULL;
1150 32596e16 2020-07-23 stsp size_t len, totlen, hdrlen, offset;
1152 aa092692 2020-07-23 stsp *s = NULL;
1154 659dc16e 2020-07-23 stsp hdrlen = got_object_blob_get_hdrlen(blob);
1155 659dc16e 2020-07-23 stsp totlen = 0;
1156 32596e16 2020-07-23 stsp offset = 0;
1160 659dc16e 2020-07-23 stsp err = got_object_blob_read_block(&len, blob);
1162 af57b12a 2020-07-23 stsp return err;
1164 659dc16e 2020-07-23 stsp if (len == 0)
1167 659dc16e 2020-07-23 stsp totlen += len - hdrlen;
1168 af57b12a 2020-07-23 stsp p = realloc(*s, totlen + 1);
1169 659dc16e 2020-07-23 stsp if (p == NULL) {
1170 659dc16e 2020-07-23 stsp err = got_error_from_errno("realloc");
1172 af57b12a 2020-07-23 stsp *s = NULL;
1173 af57b12a 2020-07-23 stsp return err;
1176 659dc16e 2020-07-23 stsp /* Skip blob object header first time around. */
1177 af57b12a 2020-07-23 stsp memcpy(*s + offset,
1178 f8f7c882 2020-07-23 stsp got_object_blob_get_read_buf(blob) + hdrlen, len - hdrlen);
1179 659dc16e 2020-07-23 stsp hdrlen = 0;
1180 32596e16 2020-07-23 stsp offset = totlen;
1181 659dc16e 2020-07-23 stsp } while (len > 0);
1183 af57b12a 2020-07-23 stsp (*s)[totlen] = '\0';
1184 af57b12a 2020-07-23 stsp return NULL;
1187 af57b12a 2020-07-23 stsp const struct got_error *
1188 af57b12a 2020-07-23 stsp got_tree_entry_get_symlink_target(char **link_target, struct got_tree_entry *te,
1189 af57b12a 2020-07-23 stsp struct got_repository *repo)
1191 af57b12a 2020-07-23 stsp const struct got_error *err = NULL;
1192 af57b12a 2020-07-23 stsp struct got_blob_object *blob = NULL;
1194 af57b12a 2020-07-23 stsp *link_target = NULL;
1196 af57b12a 2020-07-23 stsp if (!got_object_tree_entry_is_symlink(te))
1197 af57b12a 2020-07-23 stsp return got_error(GOT_ERR_TREE_ENTRY_TYPE);
1199 af57b12a 2020-07-23 stsp err = got_object_open_as_blob(&blob, repo,
1200 af57b12a 2020-07-23 stsp got_tree_entry_get_id(te), PATH_MAX);
1202 af57b12a 2020-07-23 stsp return err;
1204 af57b12a 2020-07-23 stsp err = got_object_blob_read_to_str(link_target, blob);
1205 af57b12a 2020-07-23 stsp got_object_blob_close(blob);
1206 659dc16e 2020-07-23 stsp if (err) {
1207 659dc16e 2020-07-23 stsp free(*link_target);
1208 659dc16e 2020-07-23 stsp *link_target = NULL;
1210 0d6c6ee3 2020-05-20 stsp return err;
1214 56e0773d 2019-11-28 stsp got_tree_entry_get_index(struct got_tree_entry *te)
1216 56e0773d 2019-11-28 stsp return te->idx;
1219 56e0773d 2019-11-28 stsp struct got_tree_entry *
1220 56e0773d 2019-11-28 stsp got_tree_entry_get_next(struct got_tree_object *tree,
1221 56e0773d 2019-11-28 stsp struct got_tree_entry *te)
1223 56e0773d 2019-11-28 stsp return got_object_tree_get_entry(tree, te->idx + 1);
1226 56e0773d 2019-11-28 stsp struct got_tree_entry *
1227 56e0773d 2019-11-28 stsp got_tree_entry_get_prev(struct got_tree_object *tree,
1228 56e0773d 2019-11-28 stsp struct got_tree_entry *te)
1230 56e0773d 2019-11-28 stsp return got_object_tree_get_entry(tree, te->idx - 1);
1233 3840f4c9 2018-09-12 stsp static const struct got_error *
1234 ac544f8c 2019-01-13 stsp request_packed_blob(uint8_t **outbuf, size_t *size, size_t *hdrlen, int outfd,
1235 ebc55e2d 2018-12-24 stsp struct got_pack *pack, struct got_packidx *packidx, int idx,
1236 ebc55e2d 2018-12-24 stsp struct got_object_id *id)
1238 3840f4c9 2018-09-12 stsp const struct got_error *err = NULL;
1239 3840f4c9 2018-09-12 stsp int outfd_child;
1240 3840f4c9 2018-09-12 stsp int basefd, accumfd; /* temporary files for delta application */
1242 3840f4c9 2018-09-12 stsp basefd = got_opentempfd();
1243 3840f4c9 2018-09-12 stsp if (basefd == -1)
1244 638f9024 2019-05-13 stsp return got_error_from_errno("got_opentempfd");
1245 3840f4c9 2018-09-12 stsp accumfd = got_opentempfd();
1246 3840f4c9 2018-09-12 stsp if (accumfd == -1)
1247 638f9024 2019-05-13 stsp return got_error_from_errno("got_opentempfd");
1249 3840f4c9 2018-09-12 stsp outfd_child = dup(outfd);
1250 3840f4c9 2018-09-12 stsp if (outfd_child == -1)
1251 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1253 ebc55e2d 2018-12-24 stsp err = got_privsep_send_blob_req(pack->privsep_child->ibuf, -1, id, idx);
1255 3840f4c9 2018-09-12 stsp return err;
1257 3840f4c9 2018-09-12 stsp err = got_privsep_send_blob_outfd(pack->privsep_child->ibuf,
1258 3840f4c9 2018-09-12 stsp outfd_child);
1259 3840f4c9 2018-09-12 stsp if (err) {
1260 41496140 2019-02-21 stsp close(basefd);
1261 41496140 2019-02-21 stsp close(accumfd);
1262 3840f4c9 2018-09-12 stsp return err;
1265 3840f4c9 2018-09-12 stsp err = got_privsep_send_tmpfd(pack->privsep_child->ibuf,
1267 3840f4c9 2018-09-12 stsp if (err) {
1268 3840f4c9 2018-09-12 stsp close(accumfd);
1269 3840f4c9 2018-09-12 stsp return err;
1272 3840f4c9 2018-09-12 stsp err = got_privsep_send_tmpfd(pack->privsep_child->ibuf,
1275 3840f4c9 2018-09-12 stsp return err;
1277 ac544f8c 2019-01-13 stsp err = got_privsep_recv_blob(outbuf, size, hdrlen,
1278 ebc55e2d 2018-12-24 stsp pack->privsep_child->ibuf);
1280 3840f4c9 2018-09-12 stsp return err;
1282 3840f4c9 2018-09-12 stsp if (lseek(outfd, SEEK_SET, 0) == -1)
1283 638f9024 2019-05-13 stsp err = got_error_from_errno("lseek");
1285 3840f4c9 2018-09-12 stsp return err;
1288 ebc55e2d 2018-12-24 stsp static const struct got_error *
1289 ac544f8c 2019-01-13 stsp read_packed_blob_privsep(uint8_t **outbuf, size_t *size, size_t *hdrlen,
1290 ac544f8c 2019-01-13 stsp int outfd, struct got_pack *pack, struct got_packidx *packidx, int idx,
1291 ebc55e2d 2018-12-24 stsp struct got_object_id *id)
1293 68482ea3 2017-11-27 stsp const struct got_error *err = NULL;
1295 ebc55e2d 2018-12-24 stsp if (pack->privsep_child == NULL) {
1296 ebc55e2d 2018-12-24 stsp err = start_pack_privsep_child(pack, packidx);
1298 ebc55e2d 2018-12-24 stsp return err;
1301 ac544f8c 2019-01-13 stsp return request_packed_blob(outbuf, size, hdrlen, outfd, pack, packidx,
1305 9f2369b0 2018-12-24 stsp static const struct got_error *
1306 ac544f8c 2019-01-13 stsp request_blob(uint8_t **outbuf, size_t *size, size_t *hdrlen, int outfd,
1307 d5c81d44 2021-07-08 stsp int infd, struct got_object_id *id, struct imsgbuf *ibuf)
1309 9f2369b0 2018-12-24 stsp const struct got_error *err = NULL;
1310 9f2369b0 2018-12-24 stsp int outfd_child;
1312 9f2369b0 2018-12-24 stsp outfd_child = dup(outfd);
1313 9f2369b0 2018-12-24 stsp if (outfd_child == -1)
1314 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1316 d5c81d44 2021-07-08 stsp err = got_privsep_send_blob_req(ibuf, infd, id, -1);
1318 9f2369b0 2018-12-24 stsp return err;
1320 9f2369b0 2018-12-24 stsp err = got_privsep_send_blob_outfd(ibuf, outfd_child);
1322 9f2369b0 2018-12-24 stsp return err;
1324 ac544f8c 2019-01-13 stsp err = got_privsep_recv_blob(outbuf, size, hdrlen, ibuf);
1326 9f2369b0 2018-12-24 stsp return err;
1328 9f2369b0 2018-12-24 stsp if (lseek(outfd, SEEK_SET, 0) == -1)
1329 638f9024 2019-05-13 stsp return got_error_from_errno("lseek");
1331 9f2369b0 2018-12-24 stsp return err;
1334 9f2369b0 2018-12-24 stsp static const struct got_error *
1335 ac544f8c 2019-01-13 stsp read_blob_privsep(uint8_t **outbuf, size_t *size, size_t *hdrlen,
1336 d5c81d44 2021-07-08 stsp int outfd, int infd, struct got_object_id *id, struct got_repository *repo)
1338 ddc7b220 2019-09-08 stsp const struct got_error *err;
1339 9f2369b0 2018-12-24 stsp int imsg_fds[2];
1340 9f2369b0 2018-12-24 stsp pid_t pid;
1341 9f2369b0 2018-12-24 stsp struct imsgbuf *ibuf;
1343 9f2369b0 2018-12-24 stsp if (repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_BLOB].imsg_fd != -1) {
1344 9f2369b0 2018-12-24 stsp ibuf = repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_BLOB].ibuf;
1345 d5c81d44 2021-07-08 stsp return request_blob(outbuf, size, hdrlen, outfd, infd, id,
1349 9f2369b0 2018-12-24 stsp ibuf = calloc(1, sizeof(*ibuf));
1350 9f2369b0 2018-12-24 stsp if (ibuf == NULL)
1351 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
1353 ddc7b220 2019-09-08 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_fds) == -1) {
1354 ddc7b220 2019-09-08 stsp err = got_error_from_errno("socketpair");
1355 ddc7b220 2019-09-08 stsp free(ibuf);
1356 ddc7b220 2019-09-08 stsp return err;
1359 9f2369b0 2018-12-24 stsp pid = fork();
1360 ddc7b220 2019-09-08 stsp if (pid == -1) {
1361 ddc7b220 2019-09-08 stsp err = got_error_from_errno("fork");
1362 ddc7b220 2019-09-08 stsp free(ibuf);
1363 ddc7b220 2019-09-08 stsp return err;
1365 9f2369b0 2018-12-24 stsp else if (pid == 0) {
1366 aba9c984 2019-09-08 stsp got_privsep_exec_child(imsg_fds, GOT_PATH_PROG_READ_BLOB,
1367 9f2369b0 2018-12-24 stsp repo->path);
1368 9f2369b0 2018-12-24 stsp /* not reached */
1371 08578a35 2021-01-22 stsp if (close(imsg_fds[1]) == -1) {
1372 ddc7b220 2019-09-08 stsp err = got_error_from_errno("close");
1373 ddc7b220 2019-09-08 stsp free(ibuf);
1374 ddc7b220 2019-09-08 stsp return err;
1376 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_BLOB].imsg_fd =
1377 9f2369b0 2018-12-24 stsp imsg_fds[0];
1378 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_BLOB].pid = pid;
1379 9f2369b0 2018-12-24 stsp imsg_init(ibuf, imsg_fds[0]);
1380 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_BLOB].ibuf = ibuf;
1382 d5c81d44 2021-07-08 stsp return request_blob(outbuf, size, hdrlen, outfd, infd, id, ibuf);
1385 ebc55e2d 2018-12-24 stsp static const struct got_error *
1386 ebc55e2d 2018-12-24 stsp open_blob(struct got_blob_object **blob, struct got_repository *repo,
1387 ebc55e2d 2018-12-24 stsp struct got_object_id *id, size_t blocksize)
1389 ebc55e2d 2018-12-24 stsp const struct got_error *err = NULL;
1390 ebc55e2d 2018-12-24 stsp struct got_packidx *packidx = NULL;
1392 8d2c5ea3 2019-08-13 stsp char *path_packfile = NULL;
1393 ac544f8c 2019-01-13 stsp uint8_t *outbuf;
1394 e82b1d81 2019-07-27 stsp int outfd;
1395 ebc55e2d 2018-12-24 stsp size_t size, hdrlen;
1396 ebc55e2d 2018-12-24 stsp struct stat sb;
1398 68482ea3 2017-11-27 stsp *blob = calloc(1, sizeof(**blob));
1399 4558fcd4 2018-01-14 stsp if (*blob == NULL)
1400 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
1402 55da3778 2018-09-10 stsp outfd = got_opentempfd();
1403 55da3778 2018-09-10 stsp if (outfd == -1)
1404 638f9024 2019-05-13 stsp return got_error_from_errno("got_opentempfd");
1406 062ebb78 2018-07-12 stsp (*blob)->read_buf = malloc(blocksize);
1407 15c8b0e6 2018-04-24 stsp if ((*blob)->read_buf == NULL) {
1408 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1409 c7254d79 2018-04-24 stsp goto done;
1412 e82b1d81 2019-07-27 stsp err = got_repo_search_packidx(&packidx, &idx, repo, id);
1413 e82b1d81 2019-07-27 stsp if (err == NULL) {
1414 ebc55e2d 2018-12-24 stsp struct got_pack *pack = NULL;
1416 aea75d87 2021-07-06 stsp err = got_packidx_get_packfile_path(&path_packfile,
1417 aea75d87 2021-07-06 stsp packidx->path_packidx);
1419 ebc55e2d 2018-12-24 stsp goto done;
1421 ebc55e2d 2018-12-24 stsp pack = got_repo_get_cached_pack(repo, path_packfile);
1422 55da3778 2018-09-10 stsp if (pack == NULL) {
1423 ebc55e2d 2018-12-24 stsp err = got_repo_cache_pack(&pack, repo, path_packfile,
1426 55da3778 2018-09-10 stsp goto done;
1428 ac544f8c 2019-01-13 stsp err = read_packed_blob_privsep(&outbuf, &size, &hdrlen, outfd,
1429 ac544f8c 2019-01-13 stsp pack, packidx, idx, id);
1430 e82b1d81 2019-07-27 stsp } else if (err->code == GOT_ERR_NO_OBJ) {
1433 762d73f4 2021-04-10 stsp err = got_object_open_loose_fd(&infd, id, repo);
1435 e82b1d81 2019-07-27 stsp goto done;
1436 ac544f8c 2019-01-13 stsp err = read_blob_privsep(&outbuf, &size, &hdrlen, outfd, infd,
1437 d5c81d44 2021-07-08 stsp id, repo);
1440 55da3778 2018-09-10 stsp goto done;
1442 de060dff 2018-12-24 stsp if (hdrlen > size) {
1443 ebc55e2d 2018-12-24 stsp err = got_error(GOT_ERR_BAD_OBJ_HDR);
1444 ebc55e2d 2018-12-24 stsp goto done;
1447 ac544f8c 2019-01-13 stsp if (outbuf) {
1448 08578a35 2021-01-22 stsp if (close(outfd) == -1 && err == NULL)
1449 638f9024 2019-05-13 stsp err = got_error_from_errno("close");
1450 ac544f8c 2019-01-13 stsp outfd = -1;
1451 ac544f8c 2019-01-13 stsp (*blob)->f = fmemopen(outbuf, size, "rb");
1452 ac544f8c 2019-01-13 stsp if ((*blob)->f == NULL) {
1453 638f9024 2019-05-13 stsp err = got_error_from_errno("fmemopen");
1454 ac544f8c 2019-01-13 stsp free(outbuf);
1455 ac544f8c 2019-01-13 stsp goto done;
1457 ac544f8c 2019-01-13 stsp (*blob)->data = outbuf;
1459 ac544f8c 2019-01-13 stsp if (fstat(outfd, &sb) == -1) {
1460 638f9024 2019-05-13 stsp err = got_error_from_errno("fstat");
1461 ac544f8c 2019-01-13 stsp goto done;
1464 ac544f8c 2019-01-13 stsp if (sb.st_size != size) {
1465 ac544f8c 2019-01-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1466 ac544f8c 2019-01-13 stsp goto done;
1469 ac544f8c 2019-01-13 stsp (*blob)->f = fdopen(outfd, "rb");
1470 ac544f8c 2019-01-13 stsp if ((*blob)->f == NULL) {
1471 638f9024 2019-05-13 stsp err = got_error_from_errno("fdopen");
1472 ac544f8c 2019-01-13 stsp close(outfd);
1473 ac544f8c 2019-01-13 stsp outfd = -1;
1474 ac544f8c 2019-01-13 stsp goto done;
1478 ebc55e2d 2018-12-24 stsp (*blob)->hdrlen = hdrlen;
1479 eb651edf 2018-02-11 stsp (*blob)->blocksize = blocksize;
1480 ebc55e2d 2018-12-24 stsp memcpy(&(*blob)->id.sha1, id->sha1, SHA1_DIGEST_LENGTH);
1483 8d2c5ea3 2019-08-13 stsp free(path_packfile);
1484 55da3778 2018-09-10 stsp if (err) {
1485 55da3778 2018-09-10 stsp if (*blob) {
1486 7baf5860 2019-03-19 stsp got_object_blob_close(*blob);
1487 55da3778 2018-09-10 stsp *blob = NULL;
1488 55da3778 2018-09-10 stsp } else if (outfd != -1)
1489 55da3778 2018-09-10 stsp close(outfd);
1491 a19581a2 2018-06-21 stsp return err;
1494 a19581a2 2018-06-21 stsp const struct got_error *
1495 a19581a2 2018-06-21 stsp got_object_open_as_blob(struct got_blob_object **blob,
1496 a19581a2 2018-06-21 stsp struct got_repository *repo, struct got_object_id *id,
1497 a19581a2 2018-06-21 stsp size_t blocksize)
1499 ebc55e2d 2018-12-24 stsp return open_blob(blob, repo, id, blocksize);
1502 ebc55e2d 2018-12-24 stsp const struct got_error *
1503 ebc55e2d 2018-12-24 stsp got_object_blob_open(struct got_blob_object **blob,
1504 ebc55e2d 2018-12-24 stsp struct got_repository *repo, struct got_object *obj, size_t blocksize)
1506 ebc55e2d 2018-12-24 stsp return open_blob(blob, repo, got_object_get_id(obj), blocksize);
1509 fb43ecf1 2019-02-11 stsp const struct got_error *
1510 68482ea3 2017-11-27 stsp got_object_blob_close(struct got_blob_object *blob)
1512 fb43ecf1 2019-02-11 stsp const struct got_error *err = NULL;
1513 15c8b0e6 2018-04-24 stsp free(blob->read_buf);
1514 56b63ca4 2021-01-22 stsp if (blob->f && fclose(blob->f) == EOF)
1515 638f9024 2019-05-13 stsp err = got_error_from_errno("fclose");
1516 ac544f8c 2019-01-13 stsp free(blob->data);
1517 68482ea3 2017-11-27 stsp free(blob);
1518 fb43ecf1 2019-02-11 stsp return err;
1522 8ba819a3 2020-07-23 stsp got_object_blob_rewind(struct got_blob_object *blob)
1524 8ba819a3 2020-07-23 stsp if (blob->f)
1525 8ba819a3 2020-07-23 stsp rewind(blob->f);
1529 f934cf2c 2018-02-12 stsp got_object_blob_id_str(struct got_blob_object *blob, char *buf, size_t size)
1531 f934cf2c 2018-02-12 stsp return got_sha1_digest_to_str(blob->id.sha1, buf, size);
1535 f934cf2c 2018-02-12 stsp got_object_blob_get_hdrlen(struct got_blob_object *blob)
1537 f934cf2c 2018-02-12 stsp return blob->hdrlen;
1540 f934cf2c 2018-02-12 stsp const uint8_t *
1541 f934cf2c 2018-02-12 stsp got_object_blob_get_read_buf(struct got_blob_object *blob)
1543 f934cf2c 2018-02-12 stsp return blob->read_buf;
1546 68482ea3 2017-11-27 stsp const struct got_error *
1547 eb651edf 2018-02-11 stsp got_object_blob_read_block(size_t *outlenp, struct got_blob_object *blob)
1551 eb651edf 2018-02-11 stsp n = fread(blob->read_buf, 1, blob->blocksize, blob->f);
1552 eb651edf 2018-02-11 stsp if (n == 0 && ferror(blob->f))
1553 eb651edf 2018-02-11 stsp return got_ferror(blob->f, GOT_ERR_IO);
1554 eb651edf 2018-02-11 stsp *outlenp = n;
1555 35e9ba5d 2018-06-21 stsp return NULL;
1558 35e9ba5d 2018-06-21 stsp const struct got_error *
1559 be659d10 2020-11-18 stsp got_object_blob_dump_to_file(off_t *filesize, int *nlines,
1560 6c4c42e0 2019-06-24 stsp off_t **line_offsets, FILE *outfile, struct got_blob_object *blob)
1562 35e9ba5d 2018-06-21 stsp const struct got_error *err = NULL;
1563 b6752625 2018-12-24 stsp size_t n, len, hdrlen;
1564 84451b3e 2018-07-10 stsp const uint8_t *buf;
1566 c33ebc60 2020-11-18 stsp const int alloc_chunksz = 512;
1567 c33ebc60 2020-11-18 stsp size_t nalloc = 0;
1568 f595d9bd 2019-08-14 stsp off_t off = 0, total_len = 0;
1570 6c4c42e0 2019-06-24 stsp if (line_offsets)
1571 6c4c42e0 2019-06-24 stsp *line_offsets = NULL;
1572 f595d9bd 2019-08-14 stsp if (filesize)
1573 f595d9bd 2019-08-14 stsp *filesize = 0;
1574 84451b3e 2018-07-10 stsp if (nlines)
1575 84451b3e 2018-07-10 stsp *nlines = 0;
1577 35e9ba5d 2018-06-21 stsp hdrlen = got_object_blob_get_hdrlen(blob);
1579 35e9ba5d 2018-06-21 stsp err = got_object_blob_read_block(&len, blob);
1581 35e9ba5d 2018-06-21 stsp return err;
1582 35e9ba5d 2018-06-21 stsp if (len == 0)
1584 84451b3e 2018-07-10 stsp buf = got_object_blob_get_read_buf(blob);
1585 b02560ec 2019-08-19 stsp i = hdrlen;
1586 f1cbc3bc 2020-11-18 stsp if (nlines) {
1587 f1cbc3bc 2020-11-18 stsp if (line_offsets && *line_offsets == NULL) {
1588 78695fb7 2019-08-12 stsp /* Have some data but perhaps no '\n'. */
1589 78695fb7 2019-08-12 stsp *nlines = 1;
1590 c33ebc60 2020-11-18 stsp nalloc = alloc_chunksz;
1591 c33ebc60 2020-11-18 stsp *line_offsets = calloc(nalloc,
1592 c33ebc60 2020-11-18 stsp sizeof(**line_offsets));
1593 78695fb7 2019-08-12 stsp if (*line_offsets == NULL)
1594 845785d4 2020-02-02 tracey return got_error_from_errno("calloc");
1596 b02560ec 2019-08-19 stsp /* Skip forward over end of first line. */
1597 b02560ec 2019-08-19 stsp while (i < len) {
1598 b02560ec 2019-08-19 stsp if (buf[i] == '\n')
1603 b02560ec 2019-08-19 stsp /* Scan '\n' offsets in remaining chunk of data. */
1604 b02560ec 2019-08-19 stsp while (i < len) {
1605 b02560ec 2019-08-19 stsp if (buf[i] != '\n') {
1609 f595d9bd 2019-08-14 stsp (*nlines)++;
1610 c33ebc60 2020-11-18 stsp if (line_offsets && nalloc < *nlines) {
1611 c33ebc60 2020-11-18 stsp size_t n = *nlines + alloc_chunksz;
1612 78695fb7 2019-08-12 stsp off_t *o = recallocarray(*line_offsets,
1613 c33ebc60 2020-11-18 stsp nalloc, n, sizeof(**line_offsets));
1614 78695fb7 2019-08-12 stsp if (o == NULL) {
1615 78695fb7 2019-08-12 stsp free(*line_offsets);
1616 78695fb7 2019-08-12 stsp *line_offsets = NULL;
1617 78695fb7 2019-08-12 stsp return got_error_from_errno(
1618 78695fb7 2019-08-12 stsp "recallocarray");
1620 78695fb7 2019-08-12 stsp *line_offsets = o;
1621 c33ebc60 2020-11-18 stsp nalloc = n;
1623 f1cbc3bc 2020-11-18 stsp if (line_offsets) {
1624 f1cbc3bc 2020-11-18 stsp off = total_len + i - hdrlen + 1;
1625 f1cbc3bc 2020-11-18 stsp (*line_offsets)[*nlines - 1] = off;
1630 35e9ba5d 2018-06-21 stsp /* Skip blob object header first time around. */
1631 454a6b59 2018-12-24 stsp n = fwrite(buf + hdrlen, 1, len - hdrlen, outfile);
1632 b6752625 2018-12-24 stsp if (n != len - hdrlen)
1633 b6752625 2018-12-24 stsp return got_ferror(outfile, GOT_ERR_IO);
1634 f595d9bd 2019-08-14 stsp total_len += len - hdrlen;
1635 35e9ba5d 2018-06-21 stsp hdrlen = 0;
1636 35e9ba5d 2018-06-21 stsp } while (len != 0);
1638 cbe7f848 2019-02-11 stsp if (fflush(outfile) != 0)
1639 638f9024 2019-05-13 stsp return got_error_from_errno("fflush");
1640 35e9ba5d 2018-06-21 stsp rewind(outfile);
1642 f595d9bd 2019-08-14 stsp if (filesize)
1643 f595d9bd 2019-08-14 stsp *filesize = total_len;
1645 776d4d29 2018-06-17 stsp return NULL;
1648 f4a881ce 2018-11-17 stsp static const struct got_error *
1649 268f7291 2018-12-24 stsp request_packed_tag(struct got_tag_object **tag, struct got_pack *pack,
1650 268f7291 2018-12-24 stsp int pack_idx, struct got_object_id *id)
1652 a158c901 2018-12-23 stsp const struct got_error *err = NULL;
1654 268f7291 2018-12-24 stsp err = got_privsep_send_tag_req(pack->privsep_child->ibuf, -1, id,
1655 268f7291 2018-12-24 stsp pack_idx);
1657 a158c901 2018-12-23 stsp return err;
1659 a158c901 2018-12-23 stsp return got_privsep_recv_tag(tag, pack->privsep_child->ibuf);
1662 268f7291 2018-12-24 stsp static const struct got_error *
1663 268f7291 2018-12-24 stsp read_packed_tag_privsep(struct got_tag_object **tag,
1664 268f7291 2018-12-24 stsp struct got_pack *pack, struct got_packidx *packidx, int idx,
1665 268f7291 2018-12-24 stsp struct got_object_id *id)
1667 268f7291 2018-12-24 stsp const struct got_error *err = NULL;
1669 268f7291 2018-12-24 stsp if (pack->privsep_child)
1670 268f7291 2018-12-24 stsp return request_packed_tag(tag, pack, idx, id);
1672 268f7291 2018-12-24 stsp err = start_pack_privsep_child(pack, packidx);
1674 268f7291 2018-12-24 stsp return err;
1676 268f7291 2018-12-24 stsp return request_packed_tag(tag, pack, idx, id);
1679 9f2369b0 2018-12-24 stsp static const struct got_error *
1680 9f2369b0 2018-12-24 stsp request_tag(struct got_tag_object **tag, struct got_repository *repo,
1681 d5c81d44 2021-07-08 stsp int fd, struct got_object_id *id)
1683 9f2369b0 2018-12-24 stsp const struct got_error *err = NULL;
1684 9f2369b0 2018-12-24 stsp struct imsgbuf *ibuf;
1686 9f2369b0 2018-12-24 stsp ibuf = repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TAG].ibuf;
1688 d5c81d44 2021-07-08 stsp err = got_privsep_send_tag_req(ibuf, fd, id, -1);
1690 9f2369b0 2018-12-24 stsp return err;
1692 9f2369b0 2018-12-24 stsp return got_privsep_recv_tag(tag, ibuf);
1695 9f2369b0 2018-12-24 stsp static const struct got_error *
1696 9f2369b0 2018-12-24 stsp read_tag_privsep(struct got_tag_object **tag, int obj_fd,
1697 d5c81d44 2021-07-08 stsp struct got_object_id *id, struct got_repository *repo)
1699 ddc7b220 2019-09-08 stsp const struct got_error *err;
1700 9f2369b0 2018-12-24 stsp int imsg_fds[2];
1701 9f2369b0 2018-12-24 stsp pid_t pid;
1702 9f2369b0 2018-12-24 stsp struct imsgbuf *ibuf;
1704 9f2369b0 2018-12-24 stsp if (repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TAG].imsg_fd != -1)
1705 d5c81d44 2021-07-08 stsp return request_tag(tag, repo, obj_fd, id);
1707 9f2369b0 2018-12-24 stsp ibuf = calloc(1, sizeof(*ibuf));
1708 9f2369b0 2018-12-24 stsp if (ibuf == NULL)
1709 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
1711 ddc7b220 2019-09-08 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_fds) == -1) {
1712 ddc7b220 2019-09-08 stsp err = got_error_from_errno("socketpair");
1713 ddc7b220 2019-09-08 stsp free(ibuf);
1714 ddc7b220 2019-09-08 stsp return err;
1717 9f2369b0 2018-12-24 stsp pid = fork();
1718 ddc7b220 2019-09-08 stsp if (pid == -1) {
1719 ddc7b220 2019-09-08 stsp err = got_error_from_errno("fork");
1720 ddc7b220 2019-09-08 stsp free(ibuf);
1721 ddc7b220 2019-09-08 stsp return err;
1723 9f2369b0 2018-12-24 stsp else if (pid == 0) {
1724 aba9c984 2019-09-08 stsp got_privsep_exec_child(imsg_fds, GOT_PATH_PROG_READ_TAG,
1725 9f2369b0 2018-12-24 stsp repo->path);
1726 9f2369b0 2018-12-24 stsp /* not reached */
1729 08578a35 2021-01-22 stsp if (close(imsg_fds[1]) == -1) {
1730 ddc7b220 2019-09-08 stsp err = got_error_from_errno("close");
1731 ddc7b220 2019-09-08 stsp free(ibuf);
1732 ddc7b220 2019-09-08 stsp return err;
1734 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TAG].imsg_fd =
1735 9f2369b0 2018-12-24 stsp imsg_fds[0];
1736 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TAG].pid = pid;
1737 9f2369b0 2018-12-24 stsp imsg_init(ibuf, imsg_fds[0]);
1738 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TAG].ibuf = ibuf;
1740 d5c81d44 2021-07-08 stsp return request_tag(tag, repo, obj_fd, id);
1743 a158c901 2018-12-23 stsp static const struct got_error *
1744 268f7291 2018-12-24 stsp open_tag(struct got_tag_object **tag, struct got_repository *repo,
1745 268f7291 2018-12-24 stsp struct got_object_id *id, int check_cache)
1747 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1748 268f7291 2018-12-24 stsp struct got_packidx *packidx = NULL;
1750 8d2c5ea3 2019-08-13 stsp char *path_packfile = NULL;
1751 5d844a1e 2019-08-13 stsp struct got_object *obj = NULL;
1752 5d844a1e 2019-08-13 stsp int obj_type = GOT_OBJ_TYPE_ANY;
1754 f4a881ce 2018-11-17 stsp if (check_cache) {
1755 268f7291 2018-12-24 stsp *tag = got_repo_get_cached_tag(repo, id);
1756 f4a881ce 2018-11-17 stsp if (*tag != NULL) {
1757 f4a881ce 2018-11-17 stsp (*tag)->refcnt++;
1758 f4a881ce 2018-11-17 stsp return NULL;
1761 f4a881ce 2018-11-17 stsp *tag = NULL;
1763 e82b1d81 2019-07-27 stsp err = got_repo_search_packidx(&packidx, &idx, repo, id);
1764 e82b1d81 2019-07-27 stsp if (err == NULL) {
1765 268f7291 2018-12-24 stsp struct got_pack *pack = NULL;
1767 aea75d87 2021-07-06 stsp err = got_packidx_get_packfile_path(&path_packfile,
1768 aea75d87 2021-07-06 stsp packidx->path_packidx);
1770 268f7291 2018-12-24 stsp return err;
1772 268f7291 2018-12-24 stsp pack = got_repo_get_cached_pack(repo, path_packfile);
1773 f4a881ce 2018-11-17 stsp if (pack == NULL) {
1774 e82b1d81 2019-07-27 stsp err = got_repo_cache_pack(&pack, repo, path_packfile,
1777 8d2c5ea3 2019-08-13 stsp goto done;
1780 992eb9d8 2020-02-07 tracey /* Beware of "lightweight" tags: Check object type first. */
1781 5d844a1e 2019-08-13 stsp err = read_packed_object_privsep(&obj, repo, pack, packidx,
1784 5d844a1e 2019-08-13 stsp goto done;
1785 5d844a1e 2019-08-13 stsp obj_type = obj->type;
1786 5d844a1e 2019-08-13 stsp got_object_close(obj);
1787 5d844a1e 2019-08-13 stsp if (obj_type != GOT_OBJ_TYPE_TAG) {
1788 5d844a1e 2019-08-13 stsp err = got_error(GOT_ERR_OBJ_TYPE);
1789 5d844a1e 2019-08-13 stsp goto done;
1791 5d844a1e 2019-08-13 stsp err = read_packed_tag_privsep(tag, pack, packidx, idx, id);
1792 e82b1d81 2019-07-27 stsp } else if (err->code == GOT_ERR_NO_OBJ) {
1795 762d73f4 2021-04-10 stsp err = got_object_open_loose_fd(&fd, id, repo);
1797 e82b1d81 2019-07-27 stsp return err;
1798 d5c81d44 2021-07-08 stsp err = got_object_read_header_privsep(&obj, id, repo, fd);
1800 5d844a1e 2019-08-13 stsp return err;
1801 5d844a1e 2019-08-13 stsp obj_type = obj->type;
1802 5d844a1e 2019-08-13 stsp got_object_close(obj);
1803 5d844a1e 2019-08-13 stsp if (obj_type != GOT_OBJ_TYPE_TAG)
1804 5d844a1e 2019-08-13 stsp return got_error(GOT_ERR_OBJ_TYPE);
1806 762d73f4 2021-04-10 stsp err = got_object_open_loose_fd(&fd, id, repo);
1808 5d844a1e 2019-08-13 stsp return err;
1809 d5c81d44 2021-07-08 stsp err = read_tag_privsep(tag, fd, id, repo);
1812 f4a881ce 2018-11-17 stsp if (err == NULL) {
1813 f4a881ce 2018-11-17 stsp (*tag)->refcnt++;
1814 268f7291 2018-12-24 stsp err = got_repo_cache_tag(repo, id, *tag);
1817 8d2c5ea3 2019-08-13 stsp free(path_packfile);
1818 f4a881ce 2018-11-17 stsp return err;
1821 f4a881ce 2018-11-17 stsp const struct got_error *
1822 f4a881ce 2018-11-17 stsp got_object_open_as_tag(struct got_tag_object **tag,
1823 f4a881ce 2018-11-17 stsp struct got_repository *repo, struct got_object_id *id)
1825 f4a881ce 2018-11-17 stsp *tag = got_repo_get_cached_tag(repo, id);
1826 f4a881ce 2018-11-17 stsp if (*tag != NULL) {
1827 f4a881ce 2018-11-17 stsp (*tag)->refcnt++;
1828 f4a881ce 2018-11-17 stsp return NULL;
1831 268f7291 2018-12-24 stsp return open_tag(tag, repo, id, 0);
1834 f4a881ce 2018-11-17 stsp const struct got_error *
1835 f4a881ce 2018-11-17 stsp got_object_tag_open(struct got_tag_object **tag,
1836 f4a881ce 2018-11-17 stsp struct got_repository *repo, struct got_object *obj)
1838 268f7291 2018-12-24 stsp return open_tag(tag, repo, got_object_get_id(obj), 1);
1841 d24820bf 2019-08-11 stsp const char *
1842 d24820bf 2019-08-11 stsp got_object_tag_get_name(struct got_tag_object *tag)
1844 d24820bf 2019-08-11 stsp return tag->tag;
1848 0bd18d37 2019-02-01 stsp got_object_tag_get_object_type(struct got_tag_object *tag)
1850 0bd18d37 2019-02-01 stsp return tag->obj_type;
1853 0bd18d37 2019-02-01 stsp struct got_object_id *
1854 0bd18d37 2019-02-01 stsp got_object_tag_get_object_id(struct got_tag_object *tag)
1856 0bd18d37 2019-02-01 stsp return &tag->id;
1860 01073a5d 2019-08-22 stsp got_object_tag_get_tagger_time(struct got_tag_object *tag)
1862 01073a5d 2019-08-22 stsp return tag->tagger_time;
1866 01073a5d 2019-08-22 stsp got_object_tag_get_tagger_gmtoff(struct got_tag_object *tag)
1868 01073a5d 2019-08-22 stsp return tag->tagger_gmtoff;
1871 01073a5d 2019-08-22 stsp const char *
1872 01073a5d 2019-08-22 stsp got_object_tag_get_tagger(struct got_tag_object *tag)
1874 01073a5d 2019-08-22 stsp return tag->tagger;
1877 01073a5d 2019-08-22 stsp const char *
1878 01073a5d 2019-08-22 stsp got_object_tag_get_message(struct got_tag_object *tag)
1880 01073a5d 2019-08-22 stsp return tag->tagmsg;
1883 776d4d29 2018-06-17 stsp static struct got_tree_entry *
1884 65a9bbe9 2018-09-15 stsp find_entry_by_name(struct got_tree_object *tree, const char *name, size_t len)
1888 63da309a 2018-11-07 stsp /* Note that tree entries are sorted in strncmp() order. */
1889 56e0773d 2019-11-28 stsp for (i = 0; i < tree->nentries; i++) {
1890 56e0773d 2019-11-28 stsp struct got_tree_entry *te = &tree->entries[i];
1891 63da309a 2018-11-07 stsp int cmp = strncmp(te->name, name, len);
1892 63da309a 2018-11-07 stsp if (cmp < 0)
1894 63da309a 2018-11-07 stsp if (cmp > 0)
1896 63da309a 2018-11-07 stsp if (te->name[len] == '\0')
1897 776d4d29 2018-06-17 stsp return te;
1899 eb651edf 2018-02-11 stsp return NULL;
1902 56e0773d 2019-11-28 stsp struct got_tree_entry *
1903 a129376b 2019-03-28 stsp got_object_tree_find_entry(struct got_tree_object *tree, const char *name)
1905 a129376b 2019-03-28 stsp return find_entry_by_name(tree, name, strlen(name));
1908 776d4d29 2018-06-17 stsp const struct got_error *
1909 27d434c2 2018-09-15 stsp got_object_id_by_path(struct got_object_id **id, struct got_repository *repo,
1910 776d4d29 2018-06-17 stsp struct got_object_id *commit_id, const char *path)
1912 776d4d29 2018-06-17 stsp const struct got_error *err = NULL;
1913 776d4d29 2018-06-17 stsp struct got_commit_object *commit = NULL;
1914 776d4d29 2018-06-17 stsp struct got_tree_object *tree = NULL;
1915 db37e2c0 2018-06-21 stsp struct got_tree_entry *te = NULL;
1916 65a9bbe9 2018-09-15 stsp const char *seg, *s;
1917 b7cd37e5 2018-11-18 stsp size_t seglen;
1919 27d434c2 2018-09-15 stsp *id = NULL;
1921 776d4d29 2018-06-17 stsp err = got_object_open_as_commit(&commit, repo, commit_id);
1923 776d4d29 2018-06-17 stsp goto done;
1925 776d4d29 2018-06-17 stsp /* Handle opening of root of commit's tree. */
1926 5e54fb30 2019-05-31 stsp if (got_path_is_root_dir(path)) {
1927 27d434c2 2018-09-15 stsp *id = got_object_id_dup(commit->tree_id);
1928 27d434c2 2018-09-15 stsp if (*id == NULL)
1929 638f9024 2019-05-13 stsp err = got_error_from_errno("got_object_id_dup");
1930 ca008b32 2018-07-22 stsp goto done;
1933 776d4d29 2018-06-17 stsp err = got_object_open_as_tree(&tree, repo, commit->tree_id);
1935 776d4d29 2018-06-17 stsp goto done;
1938 5e54fb30 2019-05-31 stsp while (s[0] == '/')
1941 65a9bbe9 2018-09-15 stsp seglen = 0;
1942 b7cd37e5 2018-11-18 stsp while (*s) {
1943 776d4d29 2018-06-17 stsp struct got_tree_object *next_tree;
1945 776d4d29 2018-06-17 stsp if (*s != '/') {
1952 65a9bbe9 2018-09-15 stsp te = find_entry_by_name(tree, seg, seglen);
1953 db37e2c0 2018-06-21 stsp if (te == NULL) {
1954 b66cd6f3 2020-07-31 stsp err = got_error_path(path, GOT_ERR_NO_TREE_ENTRY);
1955 776d4d29 2018-06-17 stsp goto done;
1958 b7cd37e5 2018-11-18 stsp if (*s == '\0')
1961 776d4d29 2018-06-17 stsp seg = s + 1;
1962 65a9bbe9 2018-09-15 stsp seglen = 0;
1965 776d4d29 2018-06-17 stsp err = got_object_open_as_tree(&next_tree, repo,
1967 db37e2c0 2018-06-21 stsp te = NULL;
1969 776d4d29 2018-06-17 stsp goto done;
1970 776d4d29 2018-06-17 stsp got_object_tree_close(tree);
1971 776d4d29 2018-06-17 stsp tree = next_tree;
1976 56e0773d 2019-11-28 stsp *id = got_object_id_dup(&te->id);
1977 27d434c2 2018-09-15 stsp if (*id == NULL)
1978 638f9024 2019-05-13 stsp return got_error_from_errno("got_object_id_dup");
1980 b66cd6f3 2020-07-31 stsp err = got_error_path(path, GOT_ERR_NO_TREE_ENTRY);
1982 776d4d29 2018-06-17 stsp if (commit)
1983 776d4d29 2018-06-17 stsp got_object_commit_close(commit);
1985 776d4d29 2018-06-17 stsp got_object_tree_close(tree);
1986 776d4d29 2018-06-17 stsp return err;
1990 ac5f2b26 2020-05-05 stsp * Normalize file mode bits to avoid false positive tree entry differences
1991 ac5f2b26 2020-05-05 stsp * in case tree entries have unexpected mode bits set.
1993 ac5f2b26 2020-05-05 stsp static mode_t
1994 ac5f2b26 2020-05-05 stsp normalize_mode_for_comparison(mode_t mode)
1997 ac5f2b26 2020-05-05 stsp * For directories, the only relevant bit is the IFDIR bit.
1998 ac5f2b26 2020-05-05 stsp * This allows us to detect paths changing from a directory
1999 ac5f2b26 2020-05-05 stsp * to a file and vice versa.
2001 ac5f2b26 2020-05-05 stsp if (S_ISDIR(mode))
2002 ac5f2b26 2020-05-05 stsp return mode & S_IFDIR;
2005 40dde666 2020-07-23 stsp * For symlinks, the only relevant bit is the IFLNK bit.
2006 40dde666 2020-07-23 stsp * This allows us to detect paths changing from a symlinks
2007 40dde666 2020-07-23 stsp * to a file or directory and vice versa.
2009 40dde666 2020-07-23 stsp if (S_ISLNK(mode))
2010 40dde666 2020-07-23 stsp return mode & S_IFLNK;
2012 ac5f2b26 2020-05-05 stsp /* For files, the only change we care about is the executable bit. */
2013 ac5f2b26 2020-05-05 stsp return mode & S_IXUSR;
2016 07862c20 2018-09-15 stsp const struct got_error *
2017 07862c20 2018-09-15 stsp got_object_tree_path_changed(int *changed,
2018 07862c20 2018-09-15 stsp struct got_tree_object *tree01, struct got_tree_object *tree02,
2019 07862c20 2018-09-15 stsp const char *path, struct got_repository *repo)
2021 07862c20 2018-09-15 stsp const struct got_error *err = NULL;
2022 07862c20 2018-09-15 stsp struct got_tree_object *tree1 = NULL, *tree2 = NULL;
2023 07862c20 2018-09-15 stsp struct got_tree_entry *te1 = NULL, *te2 = NULL;
2024 65a9bbe9 2018-09-15 stsp const char *seg, *s;
2025 3b7f9878 2018-11-18 stsp size_t seglen;
2027 07862c20 2018-09-15 stsp *changed = 0;
2029 07862c20 2018-09-15 stsp /* We not do support comparing the root path. */
2030 61a7d79f 2020-02-29 stsp if (got_path_is_root_dir(path))
2031 63f810e6 2020-02-29 stsp return got_error_path(path, GOT_ERR_BAD_PATH);
2033 07862c20 2018-09-15 stsp tree1 = tree01;
2034 07862c20 2018-09-15 stsp tree2 = tree02;
2036 61a7d79f 2020-02-29 stsp while (*s == '/')
2039 65a9bbe9 2018-09-15 stsp seglen = 0;
2040 3b7f9878 2018-11-18 stsp while (*s) {
2041 07862c20 2018-09-15 stsp struct got_tree_object *next_tree1, *next_tree2;
2042 ac5f2b26 2020-05-05 stsp mode_t mode1, mode2;
2044 07862c20 2018-09-15 stsp if (*s != '/') {
2051 65a9bbe9 2018-09-15 stsp te1 = find_entry_by_name(tree1, seg, seglen);
2052 07862c20 2018-09-15 stsp if (te1 == NULL) {
2053 07862c20 2018-09-15 stsp err = got_error(GOT_ERR_NO_OBJ);
2054 07862c20 2018-09-15 stsp goto done;
2057 e8bfb8f3 2020-12-18 stsp if (tree2)
2058 e8bfb8f3 2020-12-18 stsp te2 = find_entry_by_name(tree2, seg, seglen);
2060 e8bfb8f3 2020-12-18 stsp if (te2) {
2061 e8bfb8f3 2020-12-18 stsp mode1 = normalize_mode_for_comparison(te1->mode);
2062 e8bfb8f3 2020-12-18 stsp mode2 = normalize_mode_for_comparison(te2->mode);
2063 e8bfb8f3 2020-12-18 stsp if (mode1 != mode2) {
2064 e8bfb8f3 2020-12-18 stsp *changed = 1;
2065 e8bfb8f3 2020-12-18 stsp goto done;
2068 e8bfb8f3 2020-12-18 stsp if (got_object_id_cmp(&te1->id, &te2->id) == 0) {
2069 e8bfb8f3 2020-12-18 stsp *changed = 0;
2070 e8bfb8f3 2020-12-18 stsp goto done;
2074 3b7f9878 2018-11-18 stsp if (*s == '\0') { /* final path element */
2075 07862c20 2018-09-15 stsp *changed = 1;
2076 07862c20 2018-09-15 stsp goto done;
2079 07862c20 2018-09-15 stsp seg = s + 1;
2081 65a9bbe9 2018-09-15 stsp seglen = 0;
2083 07862c20 2018-09-15 stsp err = got_object_open_as_tree(&next_tree1, repo,
2084 56e0773d 2019-11-28 stsp &te1->id);
2085 07862c20 2018-09-15 stsp te1 = NULL;
2087 07862c20 2018-09-15 stsp goto done;
2088 a31cea73 2018-09-15 stsp if (tree1 != tree01)
2089 a31cea73 2018-09-15 stsp got_object_tree_close(tree1);
2090 07862c20 2018-09-15 stsp tree1 = next_tree1;
2092 e8bfb8f3 2020-12-18 stsp if (te2) {
2093 e8bfb8f3 2020-12-18 stsp err = got_object_open_as_tree(&next_tree2, repo,
2094 e8bfb8f3 2020-12-18 stsp &te2->id);
2095 e8bfb8f3 2020-12-18 stsp te2 = NULL;
2097 e8bfb8f3 2020-12-18 stsp goto done;
2098 e8bfb8f3 2020-12-18 stsp if (tree2 != tree02)
2099 e8bfb8f3 2020-12-18 stsp got_object_tree_close(tree2);
2100 e8bfb8f3 2020-12-18 stsp tree2 = next_tree2;
2101 e8bfb8f3 2020-12-18 stsp } else if (tree2) {
2102 e8bfb8f3 2020-12-18 stsp if (tree2 != tree02)
2103 e8bfb8f3 2020-12-18 stsp got_object_tree_close(tree2);
2104 e8bfb8f3 2020-12-18 stsp tree2 = NULL;
2109 a31cea73 2018-09-15 stsp if (tree1 && tree1 != tree01)
2110 07862c20 2018-09-15 stsp got_object_tree_close(tree1);
2111 a31cea73 2018-09-15 stsp if (tree2 && tree2 != tree02)
2112 07862c20 2018-09-15 stsp got_object_tree_close(tree2);
2113 77880158 2018-11-04 stsp return err;
2116 ed175427 2019-05-09 stsp const struct got_error *
2117 ed175427 2019-05-09 stsp got_object_tree_entry_dup(struct got_tree_entry **new_te,
2118 ed175427 2019-05-09 stsp struct got_tree_entry *te)
2120 ed175427 2019-05-09 stsp const struct got_error *err = NULL;
2122 ed175427 2019-05-09 stsp *new_te = calloc(1, sizeof(**new_te));
2123 ed175427 2019-05-09 stsp if (*new_te == NULL)
2124 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
2126 ed175427 2019-05-09 stsp (*new_te)->mode = te->mode;
2127 56e0773d 2019-11-28 stsp memcpy((*new_te)->name, te->name, sizeof((*new_te)->name));
2128 56e0773d 2019-11-28 stsp memcpy(&(*new_te)->id, &te->id, sizeof((*new_te)->id));
2129 8c4eabf2 2019-05-10 stsp return err;
2133 56e0773d 2019-11-28 stsp got_object_tree_entry_is_submodule(struct got_tree_entry *te)
2135 63c5ca5d 2019-08-24 stsp return (te->mode & S_IFMT) == (S_IFDIR | S_IFLNK);
2139 e40622f4 2020-07-23 stsp got_object_tree_entry_is_symlink(struct got_tree_entry *te)
2141 e40622f4 2020-07-23 stsp /* S_IFDIR check avoids confusing symlinks with submodules. */
2142 e40622f4 2020-07-23 stsp return ((te->mode & (S_IFDIR | S_IFLNK)) == S_IFLNK);
2145 e40622f4 2020-07-23 stsp static const struct got_error *
2146 e40622f4 2020-07-23 stsp resolve_symlink(char **link_target, const char *path,
2147 e40622f4 2020-07-23 stsp struct got_object_id *commit_id, struct got_repository *repo)
2149 e40622f4 2020-07-23 stsp const struct got_error *err = NULL;
2150 dbdd6209 2020-10-19 stsp char buf[PATH_MAX];
2151 e40622f4 2020-07-23 stsp char *name, *parent_path = NULL;
2152 e40622f4 2020-07-23 stsp struct got_object_id *tree_obj_id = NULL;
2153 e40622f4 2020-07-23 stsp struct got_tree_object *tree = NULL;
2154 e40622f4 2020-07-23 stsp struct got_tree_entry *te = NULL;
2156 e40622f4 2020-07-23 stsp *link_target = NULL;
2158 dbdd6209 2020-10-19 stsp if (strlcpy(buf, path, sizeof(buf)) >= sizeof(buf))
2159 dbdd6209 2020-10-19 stsp return got_error(GOT_ERR_NO_SPACE);
2161 dbdd6209 2020-10-19 stsp name = basename(buf);
2162 e40622f4 2020-07-23 stsp if (name == NULL)
2163 e40622f4 2020-07-23 stsp return got_error_from_errno2("basename", path);
2165 e40622f4 2020-07-23 stsp err = got_path_dirname(&parent_path, path);
2167 e40622f4 2020-07-23 stsp return err;
2169 e40622f4 2020-07-23 stsp err = got_object_id_by_path(&tree_obj_id, repo, commit_id,
2170 e40622f4 2020-07-23 stsp parent_path);
2171 e40622f4 2020-07-23 stsp if (err) {
2172 e40622f4 2020-07-23 stsp if (err->code == GOT_ERR_NO_TREE_ENTRY) {
2173 e40622f4 2020-07-23 stsp /* Display the complete path in error message. */
2174 e40622f4 2020-07-23 stsp err = got_error_path(path, err->code);
2176 e40622f4 2020-07-23 stsp goto done;
2179 e40622f4 2020-07-23 stsp err = got_object_open_as_tree(&tree, repo, tree_obj_id);
2181 e40622f4 2020-07-23 stsp goto done;
2183 e40622f4 2020-07-23 stsp te = got_object_tree_find_entry(tree, name);
2184 e40622f4 2020-07-23 stsp if (te == NULL) {
2185 e40622f4 2020-07-23 stsp err = got_error_path(path, GOT_ERR_NO_TREE_ENTRY);
2186 e40622f4 2020-07-23 stsp goto done;
2189 e40622f4 2020-07-23 stsp if (got_object_tree_entry_is_symlink(te)) {
2190 e40622f4 2020-07-23 stsp err = got_tree_entry_get_symlink_target(link_target, te, repo);
2192 e40622f4 2020-07-23 stsp goto done;
2193 e40622f4 2020-07-23 stsp if (!got_path_is_absolute(*link_target)) {
2194 e40622f4 2020-07-23 stsp char *abspath;
2195 e40622f4 2020-07-23 stsp if (asprintf(&abspath, "%s/%s", parent_path,
2196 e40622f4 2020-07-23 stsp *link_target) == -1) {
2197 e40622f4 2020-07-23 stsp err = got_error_from_errno("asprintf");
2198 e40622f4 2020-07-23 stsp goto done;
2200 e40622f4 2020-07-23 stsp free(*link_target);
2201 e40622f4 2020-07-23 stsp *link_target = malloc(PATH_MAX);
2202 e40622f4 2020-07-23 stsp if (*link_target == NULL) {
2203 e40622f4 2020-07-23 stsp err = got_error_from_errno("malloc");
2204 e40622f4 2020-07-23 stsp goto done;
2206 e40622f4 2020-07-23 stsp err = got_canonpath(abspath, *link_target, PATH_MAX);
2207 e40622f4 2020-07-23 stsp free(abspath);
2209 e40622f4 2020-07-23 stsp goto done;
2213 e40622f4 2020-07-23 stsp free(tree_obj_id);
2215 e40622f4 2020-07-23 stsp got_object_tree_close(tree);
2216 e40622f4 2020-07-23 stsp if (err) {
2217 e40622f4 2020-07-23 stsp free(*link_target);
2218 e40622f4 2020-07-23 stsp *link_target = NULL;
2220 e40622f4 2020-07-23 stsp return err;
2223 ca6e02ac 2020-01-07 stsp const struct got_error *
2224 e40622f4 2020-07-23 stsp got_object_resolve_symlinks(char **link_target, const char *path,
2225 e40622f4 2020-07-23 stsp struct got_object_id *commit_id, struct got_repository *repo)
2227 e40622f4 2020-07-23 stsp const struct got_error *err = NULL;
2228 e40622f4 2020-07-23 stsp char *next_target = NULL;
2229 e40622f4 2020-07-23 stsp int max_recursion = 40; /* matches Git */
2231 e40622f4 2020-07-23 stsp *link_target = NULL;
2234 e40622f4 2020-07-23 stsp err = resolve_symlink(&next_target,
2235 e40622f4 2020-07-23 stsp *link_target ? *link_target : path, commit_id, repo);
2238 e40622f4 2020-07-23 stsp if (next_target) {
2239 e40622f4 2020-07-23 stsp free(*link_target);
2240 e40622f4 2020-07-23 stsp if (--max_recursion == 0) {
2241 e40622f4 2020-07-23 stsp err = got_error_path(path, GOT_ERR_RECURSION);
2242 e40622f4 2020-07-23 stsp *link_target = NULL;
2245 e40622f4 2020-07-23 stsp *link_target = next_target;
2247 e40622f4 2020-07-23 stsp } while (next_target);
2249 e40622f4 2020-07-23 stsp return err;
2252 e40622f4 2020-07-23 stsp const struct got_error *
2253 ca6e02ac 2020-01-07 stsp got_traverse_packed_commits(struct got_object_id_queue *traversed_commits,
2254 ca6e02ac 2020-01-07 stsp struct got_object_id *commit_id, const char *path,
2255 ca6e02ac 2020-01-07 stsp struct got_repository *repo)
2257 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
2258 ca6e02ac 2020-01-07 stsp struct got_pack *pack = NULL;
2259 ca6e02ac 2020-01-07 stsp struct got_packidx *packidx = NULL;
2260 ca6e02ac 2020-01-07 stsp char *path_packfile = NULL;
2261 ca6e02ac 2020-01-07 stsp struct got_commit_object *changed_commit = NULL;
2262 ca6e02ac 2020-01-07 stsp struct got_object_id *changed_commit_id = NULL;
2265 ca6e02ac 2020-01-07 stsp err = got_repo_search_packidx(&packidx, &idx, repo, commit_id);
2266 ca6e02ac 2020-01-07 stsp if (err) {
2267 ca6e02ac 2020-01-07 stsp if (err->code != GOT_ERR_NO_OBJ)
2268 ca6e02ac 2020-01-07 stsp return err;
2269 ca6e02ac 2020-01-07 stsp return NULL;
2272 aea75d87 2021-07-06 stsp err = got_packidx_get_packfile_path(&path_packfile,
2273 aea75d87 2021-07-06 stsp packidx->path_packidx);
2275 ca6e02ac 2020-01-07 stsp return err;
2277 ca6e02ac 2020-01-07 stsp pack = got_repo_get_cached_pack(repo, path_packfile);
2278 ca6e02ac 2020-01-07 stsp if (pack == NULL) {
2279 ca6e02ac 2020-01-07 stsp err = got_repo_cache_pack(&pack, repo, path_packfile, packidx);
2281 ca6e02ac 2020-01-07 stsp goto done;
2284 ca6e02ac 2020-01-07 stsp if (pack->privsep_child == NULL) {
2285 ca6e02ac 2020-01-07 stsp err = start_pack_privsep_child(pack, packidx);
2287 ca6e02ac 2020-01-07 stsp goto done;
2290 ca6e02ac 2020-01-07 stsp err = got_privsep_send_commit_traversal_request(
2291 ca6e02ac 2020-01-07 stsp pack->privsep_child->ibuf, commit_id, idx, path);
2293 ca6e02ac 2020-01-07 stsp goto done;
2295 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_traversed_commits(&changed_commit,
2296 ca6e02ac 2020-01-07 stsp &changed_commit_id, traversed_commits, pack->privsep_child->ibuf);
2298 ca6e02ac 2020-01-07 stsp goto done;
2300 ca6e02ac 2020-01-07 stsp if (changed_commit) {
2302 ca6e02ac 2020-01-07 stsp * Cache the commit in which the path was changed.
2303 ca6e02ac 2020-01-07 stsp * This commit might be opened again soon.
2305 ca6e02ac 2020-01-07 stsp changed_commit->refcnt++;
2306 ca6e02ac 2020-01-07 stsp err = got_repo_cache_commit(repo, changed_commit_id,
2307 ca6e02ac 2020-01-07 stsp changed_commit);
2308 ca6e02ac 2020-01-07 stsp got_object_commit_close(changed_commit);
2311 ca6e02ac 2020-01-07 stsp free(path_packfile);
2312 ca6e02ac 2020-01-07 stsp free(changed_commit_id);
2313 ca6e02ac 2020-01-07 stsp return err;
