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 f8b19efd 2021-10-13 stsp #include <sys/tree.h>
21 2178c42e 2018-04-22 stsp #include <sys/uio.h>
22 2178c42e 2018-04-22 stsp #include <sys/socket.h>
23 2178c42e 2018-04-22 stsp #include <sys/wait.h>
24 b48e2ddb 2019-05-22 stsp #include <sys/resource.h>
26 a1fd68d8 2018-01-12 stsp #include <errno.h>
27 2178c42e 2018-04-22 stsp #include <fcntl.h>
28 d71d75ad 2017-11-05 stsp #include <stdio.h>
29 ab9a70b2 2017-11-06 stsp #include <stdlib.h>
30 ab9a70b2 2017-11-06 stsp #include <string.h>
31 2178c42e 2018-04-22 stsp #include <stdint.h>
32 d71d75ad 2017-11-05 stsp #include <sha1.h>
33 81a12da5 2020-09-09 naddy #include <unistd.h>
34 ab9a70b2 2017-11-06 stsp #include <zlib.h>
35 ab9a70b2 2017-11-06 stsp #include <ctype.h>
36 e40622f4 2020-07-23 stsp #include <libgen.h>
37 ab9a70b2 2017-11-06 stsp #include <limits.h>
38 2178c42e 2018-04-22 stsp #include <imsg.h>
39 788c352e 2018-06-16 stsp #include <time.h>
41 ab9a70b2 2017-11-06 stsp #include "got_error.h"
42 d71d75ad 2017-11-05 stsp #include "got_object.h"
43 ab9a70b2 2017-11-06 stsp #include "got_repository.h"
44 511a516b 2018-05-19 stsp #include "got_opentemp.h"
45 324d37e7 2019-05-11 stsp #include "got_path.h"
47 718b3ab0 2018-03-17 stsp #include "got_lib_sha1.h"
48 718b3ab0 2018-03-17 stsp #include "got_lib_delta.h"
49 63581804 2018-07-09 stsp #include "got_lib_inflate.h"
50 718b3ab0 2018-03-17 stsp #include "got_lib_object.h"
51 2178c42e 2018-04-22 stsp #include "got_lib_privsep.h"
52 6bef87be 2018-09-11 stsp #include "got_lib_object_idcache.h"
53 6bef87be 2018-09-11 stsp #include "got_lib_object_cache.h"
54 ad242220 2018-09-08 stsp #include "got_lib_object_parse.h"
55 15a94983 2018-12-23 stsp #include "got_lib_pack.h"
56 7bb0daa1 2018-06-21 stsp #include "got_lib_repository.h"
59 ab9a70b2 2017-11-06 stsp #define MIN(_a,_b) ((_a) < (_b) ? (_a) : (_b))
62 3235492e 2018-04-01 stsp struct got_object_id *
63 3235492e 2018-04-01 stsp got_object_get_id(struct got_object *obj)
65 6402fb3c 2018-09-15 stsp return &obj->id;
68 bacc9935 2018-05-20 stsp const struct got_error *
69 bacc9935 2018-05-20 stsp got_object_get_id_str(char **outbuf, struct got_object *obj)
71 bacc9935 2018-05-20 stsp return got_object_id_str(outbuf, &obj->id);
74 15a94983 2018-12-23 stsp const struct got_error *
75 15a94983 2018-12-23 stsp got_object_get_type(int *type, struct got_repository *repo,
76 15a94983 2018-12-23 stsp struct got_object_id *id)
78 15a94983 2018-12-23 stsp const struct got_error *err = NULL;
79 15a94983 2018-12-23 stsp struct got_object *obj;
81 15a94983 2018-12-23 stsp err = got_object_open(&obj, repo, id);
85 b107e67f 2018-01-19 stsp switch (obj->type) {
86 a1fd68d8 2018-01-12 stsp case GOT_OBJ_TYPE_COMMIT:
87 a1fd68d8 2018-01-12 stsp case GOT_OBJ_TYPE_TREE:
88 a1fd68d8 2018-01-12 stsp case GOT_OBJ_TYPE_BLOB:
89 b107e67f 2018-01-19 stsp case GOT_OBJ_TYPE_TAG:
90 15a94983 2018-12-23 stsp *type = obj->type;
93 15a94983 2018-12-23 stsp err = got_error(GOT_ERR_OBJ_TYPE);
97 15a94983 2018-12-23 stsp got_object_close(obj);
101 90bdb554 2019-04-11 stsp const struct got_error *
102 90bdb554 2019-04-11 stsp got_object_get_path(char **path, struct got_object_id *id,
103 90bdb554 2019-04-11 stsp struct got_repository *repo)
105 ab9a70b2 2017-11-06 stsp const struct got_error *err = NULL;
106 7a132809 2018-07-23 stsp char *hex = NULL;
107 41d2888b 2019-08-11 stsp char *path_objects;
109 e6b1056e 2018-04-22 stsp *path = NULL;
111 41d2888b 2019-08-11 stsp path_objects = got_repo_get_path_objects(repo);
112 ab9a70b2 2017-11-06 stsp if (path_objects == NULL)
113 638f9024 2019-05-13 stsp return got_error_from_errno("got_repo_get_path_objects");
115 ef0981d5 2018-02-12 stsp err = got_object_id_str(&hex, id);
119 d1cda826 2017-11-06 stsp if (asprintf(path, "%s/%.2x/%s", path_objects,
120 d1cda826 2017-11-06 stsp id->sha1[0], hex + 2) == -1)
121 638f9024 2019-05-13 stsp err = got_error_from_errno("asprintf");
125 d1cda826 2017-11-06 stsp free(path_objects);
126 d1cda826 2017-11-06 stsp return err;
129 762d73f4 2021-04-10 stsp const struct got_error *
130 762d73f4 2021-04-10 stsp got_object_open_loose_fd(int *fd, struct got_object_id *id,
131 4796fb13 2018-12-23 stsp struct got_repository *repo)
133 d1cda826 2017-11-06 stsp const struct got_error *err = NULL;
134 a1fd68d8 2018-01-12 stsp char *path;
136 90bdb554 2019-04-11 stsp err = got_object_get_path(&path, id, repo);
138 d1cda826 2017-11-06 stsp return err;
139 a5b57ccf 2019-04-11 stsp *fd = open(path, O_RDONLY | O_NOFOLLOW);
140 d5003b79 2018-04-22 stsp if (*fd == -1) {
141 e82b1d81 2019-07-27 stsp err = got_error_from_errno2("open", path);
145 4558fcd4 2018-01-14 stsp free(path);
146 2090a03d 2018-09-09 stsp return err;
149 2090a03d 2018-09-09 stsp static const struct got_error *
150 a158c901 2018-12-23 stsp request_packed_object(struct got_object **obj, struct got_pack *pack, int idx,
151 a158c901 2018-12-23 stsp struct got_object_id *id)
153 a158c901 2018-12-23 stsp const struct got_error *err = NULL;
154 a158c901 2018-12-23 stsp struct imsgbuf *ibuf = pack->privsep_child->ibuf;
156 a158c901 2018-12-23 stsp err = got_privsep_send_packed_obj_req(ibuf, idx, id);
158 a158c901 2018-12-23 stsp return err;
160 a158c901 2018-12-23 stsp err = got_privsep_recv_obj(obj, ibuf);
162 a158c901 2018-12-23 stsp return err;
164 a158c901 2018-12-23 stsp memcpy(&(*obj)->id, id, sizeof((*obj)->id));
166 a158c901 2018-12-23 stsp return NULL;
169 59d1e4a0 2021-03-10 stsp static const struct got_error *
170 59d1e4a0 2021-03-10 stsp request_packed_object_raw(uint8_t **outbuf, off_t *size, size_t *hdrlen,
171 59d1e4a0 2021-03-10 stsp int outfd, struct got_pack *pack, int idx, struct got_object_id *id)
173 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
174 59d1e4a0 2021-03-10 stsp struct imsgbuf *ibuf = pack->privsep_child->ibuf;
175 59d1e4a0 2021-03-10 stsp int outfd_child;
176 59d1e4a0 2021-03-10 stsp int basefd, accumfd; /* temporary files for delta application */
178 59d1e4a0 2021-03-10 stsp basefd = got_opentempfd();
179 59d1e4a0 2021-03-10 stsp if (basefd == -1)
180 59d1e4a0 2021-03-10 stsp return got_error_from_errno("got_opentempfd");
182 59d1e4a0 2021-03-10 stsp accumfd = got_opentempfd();
183 59d1e4a0 2021-03-10 stsp if (accumfd == -1) {
184 59d1e4a0 2021-03-10 stsp close(basefd);
185 59d1e4a0 2021-03-10 stsp return got_error_from_errno("got_opentempfd");
188 59d1e4a0 2021-03-10 stsp outfd_child = dup(outfd);
189 59d1e4a0 2021-03-10 stsp if (outfd_child == -1) {
190 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("dup");
191 59d1e4a0 2021-03-10 stsp close(basefd);
192 59d1e4a0 2021-03-10 stsp close(accumfd);
193 59d1e4a0 2021-03-10 stsp return err;
196 59d1e4a0 2021-03-10 stsp err = got_privsep_send_packed_raw_obj_req(ibuf, idx, id);
198 59d1e4a0 2021-03-10 stsp close(basefd);
199 59d1e4a0 2021-03-10 stsp close(accumfd);
200 59d1e4a0 2021-03-10 stsp close(outfd_child);
201 59d1e4a0 2021-03-10 stsp return err;
204 59d1e4a0 2021-03-10 stsp err = got_privsep_send_raw_obj_outfd(ibuf, outfd_child);
206 59d1e4a0 2021-03-10 stsp close(basefd);
207 59d1e4a0 2021-03-10 stsp close(accumfd);
208 59d1e4a0 2021-03-10 stsp return err;
212 59d1e4a0 2021-03-10 stsp err = got_privsep_send_tmpfd(pack->privsep_child->ibuf,
215 59d1e4a0 2021-03-10 stsp close(accumfd);
216 59d1e4a0 2021-03-10 stsp return err;
219 59d1e4a0 2021-03-10 stsp err = got_privsep_send_tmpfd(pack->privsep_child->ibuf,
222 59d1e4a0 2021-03-10 stsp return err;
224 59d1e4a0 2021-03-10 stsp err = got_privsep_recv_raw_obj(outbuf, size, hdrlen, ibuf);
226 59d1e4a0 2021-03-10 stsp return err;
228 59d1e4a0 2021-03-10 stsp return NULL;
231 da506691 2019-05-22 stsp static void
232 b48e2ddb 2019-05-22 stsp set_max_datasize(void)
234 b48e2ddb 2019-05-22 stsp struct rlimit rl;
236 b48e2ddb 2019-05-22 stsp if (getrlimit(RLIMIT_DATA, &rl) != 0)
239 b48e2ddb 2019-05-22 stsp rl.rlim_cur = rl.rlim_max;
240 b48e2ddb 2019-05-22 stsp setrlimit(RLIMIT_DATA, &rl);
243 a158c901 2018-12-23 stsp static const struct got_error *
244 711fb6e8 2018-12-23 stsp start_pack_privsep_child(struct got_pack *pack, struct got_packidx *packidx)
246 a158c901 2018-12-23 stsp const struct got_error *err = NULL;
247 a158c901 2018-12-23 stsp int imsg_fds[2];
249 a158c901 2018-12-23 stsp struct imsgbuf *ibuf;
251 a158c901 2018-12-23 stsp ibuf = calloc(1, sizeof(*ibuf));
252 a158c901 2018-12-23 stsp if (ibuf == NULL)
253 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
255 a158c901 2018-12-23 stsp pack->privsep_child = calloc(1, sizeof(*pack->privsep_child));
256 a158c901 2018-12-23 stsp if (pack->privsep_child == NULL) {
257 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
258 a158c901 2018-12-23 stsp free(ibuf);
259 a158c901 2018-12-23 stsp return err;
262 a158c901 2018-12-23 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_fds) == -1) {
263 638f9024 2019-05-13 stsp err = got_error_from_errno("socketpair");
267 a158c901 2018-12-23 stsp pid = fork();
268 a158c901 2018-12-23 stsp if (pid == -1) {
269 638f9024 2019-05-13 stsp err = got_error_from_errno("fork");
271 a158c901 2018-12-23 stsp } else if (pid == 0) {
272 b48e2ddb 2019-05-22 stsp set_max_datasize();
273 aba9c984 2019-09-08 stsp got_privsep_exec_child(imsg_fds, GOT_PATH_PROG_READ_PACK,
274 a158c901 2018-12-23 stsp pack->path_packfile);
275 a158c901 2018-12-23 stsp /* not reached */
278 08578a35 2021-01-22 stsp if (close(imsg_fds[1]) == -1)
279 638f9024 2019-05-13 stsp return got_error_from_errno("close");
280 a158c901 2018-12-23 stsp pack->privsep_child->imsg_fd = imsg_fds[0];
281 a158c901 2018-12-23 stsp pack->privsep_child->pid = pid;
282 a158c901 2018-12-23 stsp imsg_init(ibuf, imsg_fds[0]);
283 a158c901 2018-12-23 stsp pack->privsep_child->ibuf = ibuf;
285 a158c901 2018-12-23 stsp err = got_privsep_init_pack_child(ibuf, pack, packidx);
287 a158c901 2018-12-23 stsp const struct got_error *child_err;
288 a158c901 2018-12-23 stsp err = got_privsep_send_stop(pack->privsep_child->imsg_fd);
289 a158c901 2018-12-23 stsp child_err = got_privsep_wait_for_child(
290 a158c901 2018-12-23 stsp pack->privsep_child->pid);
291 a158c901 2018-12-23 stsp if (child_err && err == NULL)
292 a158c901 2018-12-23 stsp err = child_err;
296 a158c901 2018-12-23 stsp free(ibuf);
297 a158c901 2018-12-23 stsp free(pack->privsep_child);
298 a158c901 2018-12-23 stsp pack->privsep_child = NULL;
300 a158c901 2018-12-23 stsp return err;
303 711fb6e8 2018-12-23 stsp static const struct got_error *
304 711fb6e8 2018-12-23 stsp read_packed_object_privsep(struct got_object **obj,
305 711fb6e8 2018-12-23 stsp struct got_repository *repo, struct got_pack *pack,
306 711fb6e8 2018-12-23 stsp struct got_packidx *packidx, int idx, struct got_object_id *id)
308 711fb6e8 2018-12-23 stsp const struct got_error *err = NULL;
310 59d1e4a0 2021-03-10 stsp if (pack->privsep_child == NULL) {
311 59d1e4a0 2021-03-10 stsp err = start_pack_privsep_child(pack, packidx);
313 59d1e4a0 2021-03-10 stsp return err;
316 711fb6e8 2018-12-23 stsp return request_packed_object(obj, pack, idx, id);
319 59d1e4a0 2021-03-10 stsp static const struct got_error *
320 59d1e4a0 2021-03-10 stsp read_packed_object_raw_privsep(uint8_t **outbuf, off_t *size, size_t *hdrlen,
321 59d1e4a0 2021-03-10 stsp int outfd, struct got_pack *pack, struct got_packidx *packidx, int idx,
322 59d1e4a0 2021-03-10 stsp struct got_object_id *id)
324 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
326 59d1e4a0 2021-03-10 stsp if (pack->privsep_child == NULL) {
327 59d1e4a0 2021-03-10 stsp err = start_pack_privsep_child(pack, packidx);
329 59d1e4a0 2021-03-10 stsp return err;
332 59d1e4a0 2021-03-10 stsp return request_packed_object_raw(outbuf, size, hdrlen, outfd, pack,
336 b3d68e7f 2021-07-03 stsp const struct got_error *
337 b3d68e7f 2021-07-03 stsp got_object_open_packed(struct got_object **obj, struct got_object_id *id,
338 2090a03d 2018-09-09 stsp struct got_repository *repo)
340 2090a03d 2018-09-09 stsp const struct got_error *err = NULL;
341 2090a03d 2018-09-09 stsp struct got_pack *pack = NULL;
342 2090a03d 2018-09-09 stsp struct got_packidx *packidx = NULL;
344 2090a03d 2018-09-09 stsp char *path_packfile;
346 2090a03d 2018-09-09 stsp err = got_repo_search_packidx(&packidx, &idx, repo, id);
348 2090a03d 2018-09-09 stsp return err;
350 aea75d87 2021-07-06 stsp err = got_packidx_get_packfile_path(&path_packfile,
351 aea75d87 2021-07-06 stsp packidx->path_packidx);
353 2090a03d 2018-09-09 stsp return err;
355 2090a03d 2018-09-09 stsp pack = got_repo_get_cached_pack(repo, path_packfile);
356 2090a03d 2018-09-09 stsp if (pack == NULL) {
357 2090a03d 2018-09-09 stsp err = got_repo_cache_pack(&pack, repo, path_packfile, packidx);
362 a158c901 2018-12-23 stsp err = read_packed_object_privsep(obj, repo, pack, packidx, idx, id);
366 2090a03d 2018-09-09 stsp free(path_packfile);
367 4558fcd4 2018-01-14 stsp return err;
370 9f2369b0 2018-12-24 stsp static const struct got_error *
371 d5c81d44 2021-07-08 stsp request_object(struct got_object **obj, struct got_object_id *id,
372 d5c81d44 2021-07-08 stsp struct got_repository *repo, int fd)
374 9f2369b0 2018-12-24 stsp const struct got_error *err = NULL;
375 9f2369b0 2018-12-24 stsp struct imsgbuf *ibuf;
377 9f2369b0 2018-12-24 stsp ibuf = repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_OBJECT].ibuf;
379 d5c81d44 2021-07-08 stsp err = got_privsep_send_obj_req(ibuf, fd, id);
381 9f2369b0 2018-12-24 stsp return err;
383 9f2369b0 2018-12-24 stsp return got_privsep_recv_obj(obj, ibuf);
386 9f2369b0 2018-12-24 stsp static const struct got_error *
387 59d1e4a0 2021-03-10 stsp request_raw_object(uint8_t **outbuf, off_t *size, size_t *hdrlen, int outfd,
388 d5c81d44 2021-07-08 stsp struct got_object_id *id, struct got_repository *repo, int infd)
390 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
391 59d1e4a0 2021-03-10 stsp struct imsgbuf *ibuf;
392 59d1e4a0 2021-03-10 stsp int outfd_child;
394 59d1e4a0 2021-03-10 stsp ibuf = repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_OBJECT].ibuf;
396 59d1e4a0 2021-03-10 stsp outfd_child = dup(outfd);
397 59d1e4a0 2021-03-10 stsp if (outfd_child == -1)
398 59d1e4a0 2021-03-10 stsp return got_error_from_errno("dup");
400 d5c81d44 2021-07-08 stsp err = got_privsep_send_raw_obj_req(ibuf, infd, id);
402 59d1e4a0 2021-03-10 stsp return err;
404 59d1e4a0 2021-03-10 stsp err = got_privsep_send_raw_obj_outfd(ibuf, outfd_child);
406 59d1e4a0 2021-03-10 stsp return err;
408 59d1e4a0 2021-03-10 stsp return got_privsep_recv_raw_obj(outbuf, size, hdrlen, ibuf);
411 59d1e4a0 2021-03-10 stsp static const struct got_error *
412 59d1e4a0 2021-03-10 stsp start_read_object_child(struct got_repository *repo)
414 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
415 9f2369b0 2018-12-24 stsp int imsg_fds[2];
417 9f2369b0 2018-12-24 stsp struct imsgbuf *ibuf;
419 9f2369b0 2018-12-24 stsp ibuf = calloc(1, sizeof(*ibuf));
420 9f2369b0 2018-12-24 stsp if (ibuf == NULL)
421 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
423 ddc7b220 2019-09-08 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_fds) == -1) {
424 ddc7b220 2019-09-08 stsp err = got_error_from_errno("socketpair");
425 ddc7b220 2019-09-08 stsp free(ibuf);
426 ddc7b220 2019-09-08 stsp return err;
429 9f2369b0 2018-12-24 stsp pid = fork();
430 ddc7b220 2019-09-08 stsp if (pid == -1) {
431 ddc7b220 2019-09-08 stsp err = got_error_from_errno("fork");
432 ddc7b220 2019-09-08 stsp free(ibuf);
433 ddc7b220 2019-09-08 stsp return err;
435 9f2369b0 2018-12-24 stsp else if (pid == 0) {
436 aba9c984 2019-09-08 stsp got_privsep_exec_child(imsg_fds, GOT_PATH_PROG_READ_OBJECT,
437 9f2369b0 2018-12-24 stsp repo->path);
438 9f2369b0 2018-12-24 stsp /* not reached */
441 08578a35 2021-01-22 stsp if (close(imsg_fds[1]) == -1) {
442 ddc7b220 2019-09-08 stsp err = got_error_from_errno("close");
443 ddc7b220 2019-09-08 stsp free(ibuf);
444 ddc7b220 2019-09-08 stsp return err;
447 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_OBJECT].imsg_fd =
448 9f2369b0 2018-12-24 stsp imsg_fds[0];
449 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_OBJECT].pid = pid;
450 9f2369b0 2018-12-24 stsp imsg_init(ibuf, imsg_fds[0]);
451 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_OBJECT].ibuf = ibuf;
453 59d1e4a0 2021-03-10 stsp return NULL;
456 b3d68e7f 2021-07-03 stsp const struct got_error *
457 b3d68e7f 2021-07-03 stsp got_object_read_header_privsep(struct got_object **obj,
458 d5c81d44 2021-07-08 stsp struct got_object_id *id, struct got_repository *repo, int obj_fd)
460 59d1e4a0 2021-03-10 stsp const struct got_error *err;
462 59d1e4a0 2021-03-10 stsp if (repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_OBJECT].imsg_fd != -1)
463 d5c81d44 2021-07-08 stsp return request_object(obj, id, repo, obj_fd);
465 59d1e4a0 2021-03-10 stsp err = start_read_object_child(repo);
467 7495ec13 2021-04-04 stsp close(obj_fd);
468 59d1e4a0 2021-03-10 stsp return err;
471 d5c81d44 2021-07-08 stsp return request_object(obj, id, repo, obj_fd);
474 59d1e4a0 2021-03-10 stsp static const struct got_error *
475 59d1e4a0 2021-03-10 stsp read_object_raw_privsep(uint8_t **outbuf, off_t *size, size_t *hdrlen,
476 d5c81d44 2021-07-08 stsp int outfd, struct got_object_id *id, struct got_repository *repo,
477 d5c81d44 2021-07-08 stsp int obj_fd)
479 59d1e4a0 2021-03-10 stsp const struct got_error *err;
481 59d1e4a0 2021-03-10 stsp if (repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_OBJECT].imsg_fd != -1)
482 d5c81d44 2021-07-08 stsp return request_raw_object(outbuf, size, hdrlen, outfd, id,
483 d5c81d44 2021-07-08 stsp repo, obj_fd);
485 59d1e4a0 2021-03-10 stsp err = start_read_object_child(repo);
487 59d1e4a0 2021-03-10 stsp return err;
489 d5c81d44 2021-07-08 stsp return request_raw_object(outbuf, size, hdrlen, outfd, id, repo,
493 4558fcd4 2018-01-14 stsp const struct got_error *
494 4558fcd4 2018-01-14 stsp got_object_open(struct got_object **obj, struct got_repository *repo,
495 4558fcd4 2018-01-14 stsp struct got_object_id *id)
497 6c00b545 2018-01-17 stsp const struct got_error *err = NULL;
500 7bb0daa1 2018-06-21 stsp *obj = got_repo_get_cached_object(repo, id);
501 7bb0daa1 2018-06-21 stsp if (*obj != NULL) {
502 7bb0daa1 2018-06-21 stsp (*obj)->refcnt++;
503 7bb0daa1 2018-06-21 stsp return NULL;
506 b3d68e7f 2021-07-03 stsp err = got_object_open_packed(obj, id, repo);
507 e82b1d81 2019-07-27 stsp if (err && err->code != GOT_ERR_NO_OBJ)
508 e82b1d81 2019-07-27 stsp return err;
509 e82b1d81 2019-07-27 stsp if (*obj) {
510 e82b1d81 2019-07-27 stsp (*obj)->refcnt++;
511 e82b1d81 2019-07-27 stsp return got_repo_cache_object(repo, id, *obj);
514 762d73f4 2021-04-10 stsp err = got_object_open_loose_fd(&fd, id, repo);
516 762d73f4 2021-04-10 stsp if (err->code == GOT_ERR_ERRNO && errno == ENOENT)
517 762d73f4 2021-04-10 stsp err = got_error_no_obj(id);
518 762d73f4 2021-04-10 stsp return err;
521 d5c81d44 2021-07-08 stsp err = got_object_read_header_privsep(obj, id, repo, fd);
523 4558fcd4 2018-01-14 stsp return err;
525 762d73f4 2021-04-10 stsp memcpy((*obj)->id.sha1, id->sha1, SHA1_DIGEST_LENGTH);
527 59790a32 2018-09-15 stsp (*obj)->refcnt++;
528 762d73f4 2021-04-10 stsp return got_repo_cache_object(repo, id, *obj);
531 59d1e4a0 2021-03-10 stsp const struct got_error *
532 cc7a354a 2021-10-15 stsp got_object_raw_open(struct got_raw_object **obj, int outfd,
533 cc7a354a 2021-10-15 stsp struct got_repository *repo, struct got_object_id *id, size_t blocksize)
535 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
536 59d1e4a0 2021-03-10 stsp struct got_packidx *packidx = NULL;
538 59d1e4a0 2021-03-10 stsp uint8_t *outbuf = NULL;
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 err = got_repo_search_packidx(&packidx, &idx, repo, id);
546 59d1e4a0 2021-03-10 stsp if (err == NULL) {
547 59d1e4a0 2021-03-10 stsp struct got_pack *pack = NULL;
549 aea75d87 2021-07-06 stsp err = got_packidx_get_packfile_path(&path_packfile,
550 aea75d87 2021-07-06 stsp packidx->path_packidx);
554 59d1e4a0 2021-03-10 stsp pack = got_repo_get_cached_pack(repo, path_packfile);
555 59d1e4a0 2021-03-10 stsp if (pack == NULL) {
556 59d1e4a0 2021-03-10 stsp err = got_repo_cache_pack(&pack, repo, path_packfile,
561 59d1e4a0 2021-03-10 stsp err = read_packed_object_raw_privsep(&outbuf, &size, &hdrlen,
562 59d1e4a0 2021-03-10 stsp outfd, pack, packidx, idx, id);
565 59d1e4a0 2021-03-10 stsp } else if (err->code == GOT_ERR_NO_OBJ) {
568 762d73f4 2021-04-10 stsp err = got_object_open_loose_fd(&fd, id, repo);
571 59d1e4a0 2021-03-10 stsp err = read_object_raw_privsep(&outbuf, &size, &hdrlen, outfd,
572 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 (*obj)->f = fmemopen(outbuf, hdrlen + size, "r");
591 59d1e4a0 2021-03-10 stsp if ((*obj)->f == NULL) {
592 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("fdopen");
595 59d1e4a0 2021-03-10 stsp (*obj)->data = outbuf;
597 59d1e4a0 2021-03-10 stsp struct stat sb;
598 59d1e4a0 2021-03-10 stsp if (fstat(outfd, &sb) == -1) {
599 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("fstat");
603 a8591711 2021-06-18 stsp if (sb.st_size != hdrlen + size) {
604 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
608 59d1e4a0 2021-03-10 stsp (*obj)->f = fdopen(outfd, "r");
609 59d1e4a0 2021-03-10 stsp if ((*obj)->f == NULL) {
610 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("fdopen");
613 59d1e4a0 2021-03-10 stsp (*obj)->data = NULL;
615 59d1e4a0 2021-03-10 stsp (*obj)->hdrlen = hdrlen;
616 59d1e4a0 2021-03-10 stsp (*obj)->size = size;
617 59d1e4a0 2021-03-10 stsp (*obj)->blocksize = blocksize;
619 59d1e4a0 2021-03-10 stsp free(path_packfile);
621 59d1e4a0 2021-03-10 stsp if (*obj) {
622 59d1e4a0 2021-03-10 stsp got_object_raw_close(*obj);
623 59d1e4a0 2021-03-10 stsp *obj = NULL;
625 59d1e4a0 2021-03-10 stsp free(outbuf);
627 59d1e4a0 2021-03-10 stsp return err;
631 59d1e4a0 2021-03-10 stsp got_object_raw_rewind(struct got_raw_object *obj)
633 59d1e4a0 2021-03-10 stsp if (obj->f)
634 59d1e4a0 2021-03-10 stsp rewind(obj->f);
638 59d1e4a0 2021-03-10 stsp got_object_raw_get_hdrlen(struct got_raw_object *obj)
640 59d1e4a0 2021-03-10 stsp return obj->hdrlen;
643 59d1e4a0 2021-03-10 stsp const uint8_t *
644 59d1e4a0 2021-03-10 stsp got_object_raw_get_read_buf(struct got_raw_object *obj)
646 59d1e4a0 2021-03-10 stsp return obj->read_buf;
649 59d1e4a0 2021-03-10 stsp const struct got_error *
650 59d1e4a0 2021-03-10 stsp got_object_raw_read_block(size_t *outlenp, struct got_raw_object *obj)
654 59d1e4a0 2021-03-10 stsp n = fread(obj->read_buf, 1, obj->blocksize, obj->f);
655 59d1e4a0 2021-03-10 stsp if (n == 0 && ferror(obj->f))
656 59d1e4a0 2021-03-10 stsp return got_ferror(obj->f, GOT_ERR_IO);
657 59d1e4a0 2021-03-10 stsp *outlenp = n;
658 59d1e4a0 2021-03-10 stsp return NULL;
661 59d1e4a0 2021-03-10 stsp const struct got_error *
662 59d1e4a0 2021-03-10 stsp got_object_raw_close(struct got_raw_object *obj)
664 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
666 59d1e4a0 2021-03-10 stsp free(obj->read_buf);
667 59d1e4a0 2021-03-10 stsp if (obj->f != NULL && fclose(obj->f) == EOF && err == NULL)
668 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("fclose");
669 59d1e4a0 2021-03-10 stsp free(obj->data);
671 59d1e4a0 2021-03-10 stsp return err;
674 6dfa2fd3 2018-02-12 stsp const struct got_error *
675 6dfa2fd3 2018-02-12 stsp got_object_open_by_id_str(struct got_object **obj, struct got_repository *repo,
676 6dfa2fd3 2018-02-12 stsp const char *id_str)
678 6dfa2fd3 2018-02-12 stsp struct got_object_id id;
680 6dfa2fd3 2018-02-12 stsp if (!got_parse_sha1_digest(id.sha1, id_str))
681 6dd1ece6 2019-11-10 stsp return got_error_path(id_str, GOT_ERR_BAD_OBJ_ID_STR);
683 6dfa2fd3 2018-02-12 stsp return got_object_open(obj, repo, &id);
686 15a94983 2018-12-23 stsp const struct got_error *
687 15a94983 2018-12-23 stsp got_object_resolve_id_str(struct got_object_id **id,
688 15a94983 2018-12-23 stsp struct got_repository *repo, const char *id_str)
690 15a94983 2018-12-23 stsp const struct got_error *err = NULL;
691 15a94983 2018-12-23 stsp struct got_object *obj;
693 15a94983 2018-12-23 stsp err = got_object_open_by_id_str(&obj, repo, id_str);
695 15a94983 2018-12-23 stsp return err;
697 15a94983 2018-12-23 stsp *id = got_object_id_dup(got_object_get_id(obj));
698 15a94983 2018-12-23 stsp got_object_close(obj);
699 15a94983 2018-12-23 stsp if (*id == NULL)
700 638f9024 2019-05-13 stsp return got_error_from_errno("got_object_id_dup");
702 15a94983 2018-12-23 stsp return NULL;
705 434025f3 2018-09-16 stsp static const struct got_error *
706 a158c901 2018-12-23 stsp request_packed_commit(struct got_commit_object **commit, struct got_pack *pack,
707 a158c901 2018-12-23 stsp int pack_idx, struct got_object_id *id)
709 a158c901 2018-12-23 stsp const struct got_error *err = NULL;
711 a158c901 2018-12-23 stsp err = got_privsep_send_commit_req(pack->privsep_child->ibuf, -1, id,
714 a158c901 2018-12-23 stsp return err;
716 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_commit(commit, pack->privsep_child->ibuf);
718 ca6e02ac 2020-01-07 stsp return err;
720 ca6e02ac 2020-01-07 stsp (*commit)->flags |= GOT_COMMIT_FLAG_PACKED;
721 ca6e02ac 2020-01-07 stsp return NULL;
724 a158c901 2018-12-23 stsp static const struct got_error *
725 a158c901 2018-12-23 stsp read_packed_commit_privsep(struct got_commit_object **commit,
726 a158c901 2018-12-23 stsp struct got_pack *pack, struct got_packidx *packidx, int idx,
727 a158c901 2018-12-23 stsp struct got_object_id *id)
729 a158c901 2018-12-23 stsp const struct got_error *err = NULL;
731 a158c901 2018-12-23 stsp if (pack->privsep_child)
732 a158c901 2018-12-23 stsp return request_packed_commit(commit, pack, idx, id);
734 711fb6e8 2018-12-23 stsp err = start_pack_privsep_child(pack, packidx);
736 a158c901 2018-12-23 stsp return err;
738 711fb6e8 2018-12-23 stsp return request_packed_commit(commit, pack, idx, id);
741 9f2369b0 2018-12-24 stsp static const struct got_error *
742 9f2369b0 2018-12-24 stsp request_commit(struct got_commit_object **commit, struct got_repository *repo,
743 d5c81d44 2021-07-08 stsp int fd, struct got_object_id *id)
745 9f2369b0 2018-12-24 stsp const struct got_error *err = NULL;
746 9f2369b0 2018-12-24 stsp struct imsgbuf *ibuf;
748 9f2369b0 2018-12-24 stsp ibuf = repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_COMMIT].ibuf;
750 d5c81d44 2021-07-08 stsp err = got_privsep_send_commit_req(ibuf, fd, id, -1);
752 9f2369b0 2018-12-24 stsp return err;
754 9f2369b0 2018-12-24 stsp return got_privsep_recv_commit(commit, ibuf);
757 9f2369b0 2018-12-24 stsp static const struct got_error *
758 9f2369b0 2018-12-24 stsp read_commit_privsep(struct got_commit_object **commit, int obj_fd,
759 d5c81d44 2021-07-08 stsp struct got_object_id *id, struct got_repository *repo)
761 ddc7b220 2019-09-08 stsp const struct got_error *err;
762 9f2369b0 2018-12-24 stsp int imsg_fds[2];
764 9f2369b0 2018-12-24 stsp struct imsgbuf *ibuf;
766 9f2369b0 2018-12-24 stsp if (repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_COMMIT].imsg_fd != -1)
767 d5c81d44 2021-07-08 stsp return request_commit(commit, repo, obj_fd, id);
769 9f2369b0 2018-12-24 stsp ibuf = calloc(1, sizeof(*ibuf));
770 9f2369b0 2018-12-24 stsp if (ibuf == NULL)
771 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
773 ddc7b220 2019-09-08 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_fds) == -1) {
774 ddc7b220 2019-09-08 stsp err = got_error_from_errno("socketpair");
775 ddc7b220 2019-09-08 stsp free(ibuf);
776 ddc7b220 2019-09-08 stsp return err;
779 9f2369b0 2018-12-24 stsp pid = fork();
780 ddc7b220 2019-09-08 stsp if (pid == -1) {
781 ddc7b220 2019-09-08 stsp err = got_error_from_errno("fork");
782 ddc7b220 2019-09-08 stsp free(ibuf);
783 ddc7b220 2019-09-08 stsp return err;
785 9f2369b0 2018-12-24 stsp else if (pid == 0) {
786 aba9c984 2019-09-08 stsp got_privsep_exec_child(imsg_fds, GOT_PATH_PROG_READ_COMMIT,
787 9f2369b0 2018-12-24 stsp repo->path);
788 9f2369b0 2018-12-24 stsp /* not reached */
791 08578a35 2021-01-22 stsp if (close(imsg_fds[1]) == -1) {
792 ddc7b220 2019-09-08 stsp err = got_error_from_errno("close");
793 ddc7b220 2019-09-08 stsp free(ibuf);
794 ddc7b220 2019-09-08 stsp return err;
796 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_COMMIT].imsg_fd =
797 9f2369b0 2018-12-24 stsp imsg_fds[0];
798 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_COMMIT].pid = pid;
799 9f2369b0 2018-12-24 stsp imsg_init(ibuf, imsg_fds[0]);
800 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_COMMIT].ibuf = ibuf;
802 d5c81d44 2021-07-08 stsp return request_commit(commit, repo, obj_fd, id);
806 a158c901 2018-12-23 stsp static const struct got_error *
807 434025f3 2018-09-16 stsp open_commit(struct got_commit_object **commit,
808 1785f84a 2018-12-23 stsp struct got_repository *repo, struct got_object_id *id, int check_cache)
810 434025f3 2018-09-16 stsp const struct got_error *err = NULL;
811 1785f84a 2018-12-23 stsp struct got_packidx *packidx = NULL;
813 8d2c5ea3 2019-08-13 stsp char *path_packfile = NULL;
815 434025f3 2018-09-16 stsp if (check_cache) {
816 1785f84a 2018-12-23 stsp *commit = got_repo_get_cached_commit(repo, id);
817 434025f3 2018-09-16 stsp if (*commit != NULL) {
818 434025f3 2018-09-16 stsp (*commit)->refcnt++;
819 434025f3 2018-09-16 stsp return NULL;
822 434025f3 2018-09-16 stsp *commit = NULL;
824 e82b1d81 2019-07-27 stsp err = got_repo_search_packidx(&packidx, &idx, repo, id);
825 e82b1d81 2019-07-27 stsp if (err == NULL) {
826 1785f84a 2018-12-23 stsp struct got_pack *pack = NULL;
828 aea75d87 2021-07-06 stsp err = got_packidx_get_packfile_path(&path_packfile,
829 aea75d87 2021-07-06 stsp packidx->path_packidx);
831 1785f84a 2018-12-23 stsp return err;
833 1785f84a 2018-12-23 stsp pack = got_repo_get_cached_pack(repo, path_packfile);
834 434025f3 2018-09-16 stsp if (pack == NULL) {
835 1785f84a 2018-12-23 stsp err = got_repo_cache_pack(&pack, repo, path_packfile,
840 a158c901 2018-12-23 stsp err = read_packed_commit_privsep(commit, pack,
841 1785f84a 2018-12-23 stsp packidx, idx, id);
842 e82b1d81 2019-07-27 stsp } else if (err->code == GOT_ERR_NO_OBJ) {
845 762d73f4 2021-04-10 stsp err = got_object_open_loose_fd(&fd, id, repo);
847 e82b1d81 2019-07-27 stsp return err;
848 d5c81d44 2021-07-08 stsp err = read_commit_privsep(commit, fd, id, repo);
851 434025f3 2018-09-16 stsp if (err == NULL) {
852 434025f3 2018-09-16 stsp (*commit)->refcnt++;
853 1785f84a 2018-12-23 stsp err = got_repo_cache_commit(repo, id, *commit);
856 8d2c5ea3 2019-08-13 stsp free(path_packfile);
857 e32baab7 2018-11-05 stsp return err;
860 e32baab7 2018-11-05 stsp const struct got_error *
861 e32baab7 2018-11-05 stsp got_object_open_as_commit(struct got_commit_object **commit,
862 e32baab7 2018-11-05 stsp struct got_repository *repo, struct got_object_id *id)
864 e32baab7 2018-11-05 stsp *commit = got_repo_get_cached_commit(repo, id);
865 e32baab7 2018-11-05 stsp if (*commit != NULL) {
866 e32baab7 2018-11-05 stsp (*commit)->refcnt++;
867 e32baab7 2018-11-05 stsp return NULL;
870 1785f84a 2018-12-23 stsp return open_commit(commit, repo, id, 0);
873 e32baab7 2018-11-05 stsp const struct got_error *
874 e32baab7 2018-11-05 stsp got_object_commit_open(struct got_commit_object **commit,
875 e32baab7 2018-11-05 stsp struct got_repository *repo, struct got_object *obj)
877 1785f84a 2018-12-23 stsp return open_commit(commit, repo, got_object_get_id(obj), 1);
880 434025f3 2018-09-16 stsp const struct got_error *
881 dbc6a6b6 2018-07-12 stsp got_object_qid_alloc(struct got_object_qid **qid, struct got_object_id *id)
883 dbc6a6b6 2018-07-12 stsp const struct got_error *err = NULL;
885 dbc6a6b6 2018-07-12 stsp *qid = calloc(1, sizeof(**qid));
886 dbc6a6b6 2018-07-12 stsp if (*qid == NULL)
887 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
889 dbc6a6b6 2018-07-12 stsp (*qid)->id = got_object_id_dup(id);
890 dbc6a6b6 2018-07-12 stsp if ((*qid)->id == NULL) {
891 638f9024 2019-05-13 stsp err = got_error_from_errno("got_object_id_dup");
892 fa2f6902 2018-07-23 stsp got_object_qid_free(*qid);
893 dbc6a6b6 2018-07-12 stsp *qid = NULL;
894 dbc6a6b6 2018-07-12 stsp return err;
897 9ca9aafb 2021-06-18 stsp return NULL;
900 9ca9aafb 2021-06-18 stsp const struct got_error *
901 9ca9aafb 2021-06-18 stsp got_object_id_queue_copy(const struct got_object_id_queue *src,
902 9ca9aafb 2021-06-18 stsp struct got_object_id_queue *dest)
904 9ca9aafb 2021-06-18 stsp const struct got_error *err;
905 9ca9aafb 2021-06-18 stsp struct got_object_qid *qid;
907 dbdddfee 2021-06-23 naddy STAILQ_FOREACH(qid, src, entry) {
908 9ca9aafb 2021-06-18 stsp struct got_object_qid *new;
910 9ca9aafb 2021-06-18 stsp * Deep-copy the object ID only. Let the caller deal
911 9ca9aafb 2021-06-18 stsp * with setting up the new->data pointer if needed.
913 9ca9aafb 2021-06-18 stsp err = got_object_qid_alloc(&new, qid->id);
915 9ca9aafb 2021-06-18 stsp got_object_id_queue_free(dest);
916 9ca9aafb 2021-06-18 stsp return err;
918 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(dest, new, entry);
921 dbc6a6b6 2018-07-12 stsp return NULL;
924 a158c901 2018-12-23 stsp static const struct got_error *
925 13c729f7 2018-12-24 stsp request_packed_tree(struct got_tree_object **tree, struct got_pack *pack,
926 13c729f7 2018-12-24 stsp int pack_idx, struct got_object_id *id)
928 a158c901 2018-12-23 stsp const struct got_error *err = NULL;
930 13c729f7 2018-12-24 stsp err = got_privsep_send_tree_req(pack->privsep_child->ibuf, -1, id,
933 a158c901 2018-12-23 stsp return err;
935 a158c901 2018-12-23 stsp return got_privsep_recv_tree(tree, pack->privsep_child->ibuf);
938 71eb0e7f 2018-09-16 stsp static const struct got_error *
939 13c729f7 2018-12-24 stsp read_packed_tree_privsep(struct got_tree_object **tree,
940 13c729f7 2018-12-24 stsp struct got_pack *pack, struct got_packidx *packidx, int idx,
941 13c729f7 2018-12-24 stsp struct got_object_id *id)
943 13c729f7 2018-12-24 stsp const struct got_error *err = NULL;
945 13c729f7 2018-12-24 stsp if (pack->privsep_child)
946 13c729f7 2018-12-24 stsp return request_packed_tree(tree, pack, idx, id);
948 13c729f7 2018-12-24 stsp err = start_pack_privsep_child(pack, packidx);
950 13c729f7 2018-12-24 stsp return err;
952 13c729f7 2018-12-24 stsp return request_packed_tree(tree, pack, idx, id);
955 13c729f7 2018-12-24 stsp static const struct got_error *
956 9f2369b0 2018-12-24 stsp request_tree(struct got_tree_object **tree, struct got_repository *repo,
957 d5c81d44 2021-07-08 stsp int fd, struct got_object_id *id)
959 9f2369b0 2018-12-24 stsp const struct got_error *err = NULL;
960 9f2369b0 2018-12-24 stsp struct imsgbuf *ibuf;
962 9f2369b0 2018-12-24 stsp ibuf = repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TREE].ibuf;
964 d5c81d44 2021-07-08 stsp err = got_privsep_send_tree_req(ibuf, fd, id, -1);
966 9f2369b0 2018-12-24 stsp return err;
968 9f2369b0 2018-12-24 stsp return got_privsep_recv_tree(tree, ibuf);
971 9f2369b0 2018-12-24 stsp const struct got_error *
972 9f2369b0 2018-12-24 stsp read_tree_privsep(struct got_tree_object **tree, int obj_fd,
973 d5c81d44 2021-07-08 stsp struct got_object_id *id, struct got_repository *repo)
975 ddc7b220 2019-09-08 stsp const struct got_error *err;
976 9f2369b0 2018-12-24 stsp int imsg_fds[2];
978 9f2369b0 2018-12-24 stsp struct imsgbuf *ibuf;
980 9f2369b0 2018-12-24 stsp if (repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TREE].imsg_fd != -1)
981 d5c81d44 2021-07-08 stsp return request_tree(tree, repo, obj_fd, id);
983 9f2369b0 2018-12-24 stsp ibuf = calloc(1, sizeof(*ibuf));
984 9f2369b0 2018-12-24 stsp if (ibuf == NULL)
985 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
987 ddc7b220 2019-09-08 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_fds) == -1) {
988 ddc7b220 2019-09-08 stsp err = got_error_from_errno("socketpair");
989 ddc7b220 2019-09-08 stsp free(ibuf);
990 ddc7b220 2019-09-08 stsp return err;
993 9f2369b0 2018-12-24 stsp pid = fork();
994 ddc7b220 2019-09-08 stsp if (pid == -1) {
995 ddc7b220 2019-09-08 stsp err = got_error_from_errno("fork");
996 ddc7b220 2019-09-08 stsp free(ibuf);
997 ddc7b220 2019-09-08 stsp return err;
999 9f2369b0 2018-12-24 stsp else if (pid == 0) {
1000 aba9c984 2019-09-08 stsp got_privsep_exec_child(imsg_fds, GOT_PATH_PROG_READ_TREE,
1001 9f2369b0 2018-12-24 stsp repo->path);
1002 9f2369b0 2018-12-24 stsp /* not reached */
1005 08578a35 2021-01-22 stsp if (close(imsg_fds[1]) == -1) {
1006 ddc7b220 2019-09-08 stsp err = got_error_from_errno("close");
1007 ddc7b220 2019-09-08 stsp free(ibuf);
1008 ddc7b220 2019-09-08 stsp return err;
1010 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TREE].imsg_fd =
1011 9f2369b0 2018-12-24 stsp imsg_fds[0];
1012 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TREE].pid = pid;
1013 9f2369b0 2018-12-24 stsp imsg_init(ibuf, imsg_fds[0]);
1014 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TREE].ibuf = ibuf;
1017 d5c81d44 2021-07-08 stsp return request_tree(tree, repo, obj_fd, id);
1020 9f2369b0 2018-12-24 stsp static const struct got_error *
1021 13c729f7 2018-12-24 stsp open_tree(struct got_tree_object **tree, struct got_repository *repo,
1022 13c729f7 2018-12-24 stsp struct got_object_id *id, int check_cache)
1024 0ffeb3c2 2017-11-26 stsp const struct got_error *err = NULL;
1025 13c729f7 2018-12-24 stsp struct got_packidx *packidx = NULL;
1027 8d2c5ea3 2019-08-13 stsp char *path_packfile = NULL;
1029 71eb0e7f 2018-09-16 stsp if (check_cache) {
1030 13c729f7 2018-12-24 stsp *tree = got_repo_get_cached_tree(repo, id);
1031 71eb0e7f 2018-09-16 stsp if (*tree != NULL) {
1032 71eb0e7f 2018-09-16 stsp (*tree)->refcnt++;
1033 71eb0e7f 2018-09-16 stsp return NULL;
1036 71eb0e7f 2018-09-16 stsp *tree = NULL;
1038 e82b1d81 2019-07-27 stsp err = got_repo_search_packidx(&packidx, &idx, repo, id);
1039 e82b1d81 2019-07-27 stsp if (err == NULL) {
1040 13c729f7 2018-12-24 stsp struct got_pack *pack = NULL;
1042 aea75d87 2021-07-06 stsp err = got_packidx_get_packfile_path(&path_packfile,
1043 aea75d87 2021-07-06 stsp packidx->path_packidx);
1045 13c729f7 2018-12-24 stsp return err;
1047 13c729f7 2018-12-24 stsp pack = got_repo_get_cached_pack(repo, path_packfile);
1048 e7885405 2018-09-10 stsp if (pack == NULL) {
1049 e82b1d81 2019-07-27 stsp err = got_repo_cache_pack(&pack, repo, path_packfile,
1052 8d2c5ea3 2019-08-13 stsp goto done;
1054 13c729f7 2018-12-24 stsp err = read_packed_tree_privsep(tree, pack,
1055 13c729f7 2018-12-24 stsp packidx, idx, id);
1056 e82b1d81 2019-07-27 stsp } else if (err->code == GOT_ERR_NO_OBJ) {
1059 762d73f4 2021-04-10 stsp err = got_object_open_loose_fd(&fd, id, repo);
1061 e82b1d81 2019-07-27 stsp return err;
1062 d5c81d44 2021-07-08 stsp err = read_tree_privsep(tree, fd, id, repo);
1065 f6be5c30 2018-06-22 stsp if (err == NULL) {
1066 f6be5c30 2018-06-22 stsp (*tree)->refcnt++;
1067 13c729f7 2018-12-24 stsp err = got_repo_cache_tree(repo, id, *tree);
1070 8d2c5ea3 2019-08-13 stsp free(path_packfile);
1071 776d4d29 2018-06-17 stsp return err;
1074 776d4d29 2018-06-17 stsp const struct got_error *
1075 776d4d29 2018-06-17 stsp got_object_open_as_tree(struct got_tree_object **tree,
1076 776d4d29 2018-06-17 stsp struct got_repository *repo, struct got_object_id *id)
1078 e8eb494a 2018-09-16 stsp *tree = got_repo_get_cached_tree(repo, id);
1079 e8eb494a 2018-09-16 stsp if (*tree != NULL) {
1080 e8eb494a 2018-09-16 stsp (*tree)->refcnt++;
1081 e8eb494a 2018-09-16 stsp return NULL;
1084 13c729f7 2018-12-24 stsp return open_tree(tree, repo, id, 0);
1087 71eb0e7f 2018-09-16 stsp const struct got_error *
1088 71eb0e7f 2018-09-16 stsp got_object_tree_open(struct got_tree_object **tree,
1089 71eb0e7f 2018-09-16 stsp struct got_repository *repo, struct got_object *obj)
1091 13c729f7 2018-12-24 stsp return open_tree(tree, repo, got_object_get_id(obj), 1);
1095 56e0773d 2019-11-28 stsp got_object_tree_get_nentries(struct got_tree_object *tree)
1097 56e0773d 2019-11-28 stsp return tree->nentries;
1100 56e0773d 2019-11-28 stsp struct got_tree_entry *
1101 56e0773d 2019-11-28 stsp got_object_tree_get_first_entry(struct got_tree_object *tree)
1103 56e0773d 2019-11-28 stsp return got_object_tree_get_entry(tree, 0);
1106 56e0773d 2019-11-28 stsp struct got_tree_entry *
1107 56e0773d 2019-11-28 stsp got_object_tree_get_last_entry(struct got_tree_object *tree)
1109 56e0773d 2019-11-28 stsp return got_object_tree_get_entry(tree, tree->nentries - 1);
1112 56e0773d 2019-11-28 stsp struct got_tree_entry *
1113 56e0773d 2019-11-28 stsp got_object_tree_get_entry(struct got_tree_object *tree, int i)
1115 56e0773d 2019-11-28 stsp if (i < 0 || i >= tree->nentries)
1116 56e0773d 2019-11-28 stsp return NULL;
1117 56e0773d 2019-11-28 stsp return &tree->entries[i];
1121 56e0773d 2019-11-28 stsp got_tree_entry_get_mode(struct got_tree_entry *te)
1123 56e0773d 2019-11-28 stsp return te->mode;
1126 56e0773d 2019-11-28 stsp const char *
1127 56e0773d 2019-11-28 stsp got_tree_entry_get_name(struct got_tree_entry *te)
1129 56e0773d 2019-11-28 stsp return &te->name[0];
1132 56e0773d 2019-11-28 stsp struct got_object_id *
1133 56e0773d 2019-11-28 stsp got_tree_entry_get_id(struct got_tree_entry *te)
1135 56e0773d 2019-11-28 stsp return &te->id;
1138 0d6c6ee3 2020-05-20 stsp const struct got_error *
1139 af57b12a 2020-07-23 stsp got_object_blob_read_to_str(char **s, struct got_blob_object *blob)
1141 0d6c6ee3 2020-05-20 stsp const struct got_error *err = NULL;
1142 32596e16 2020-07-23 stsp size_t len, totlen, hdrlen, offset;
1144 aa092692 2020-07-23 stsp *s = NULL;
1146 659dc16e 2020-07-23 stsp hdrlen = got_object_blob_get_hdrlen(blob);
1147 659dc16e 2020-07-23 stsp totlen = 0;
1148 32596e16 2020-07-23 stsp offset = 0;
1152 659dc16e 2020-07-23 stsp err = got_object_blob_read_block(&len, blob);
1154 af57b12a 2020-07-23 stsp return err;
1156 659dc16e 2020-07-23 stsp if (len == 0)
1159 659dc16e 2020-07-23 stsp totlen += len - hdrlen;
1160 af57b12a 2020-07-23 stsp p = realloc(*s, totlen + 1);
1161 659dc16e 2020-07-23 stsp if (p == NULL) {
1162 659dc16e 2020-07-23 stsp err = got_error_from_errno("realloc");
1164 af57b12a 2020-07-23 stsp *s = NULL;
1165 af57b12a 2020-07-23 stsp return err;
1168 659dc16e 2020-07-23 stsp /* Skip blob object header first time around. */
1169 af57b12a 2020-07-23 stsp memcpy(*s + offset,
1170 f8f7c882 2020-07-23 stsp got_object_blob_get_read_buf(blob) + hdrlen, len - hdrlen);
1171 659dc16e 2020-07-23 stsp hdrlen = 0;
1172 32596e16 2020-07-23 stsp offset = totlen;
1173 659dc16e 2020-07-23 stsp } while (len > 0);
1175 af57b12a 2020-07-23 stsp (*s)[totlen] = '\0';
1176 af57b12a 2020-07-23 stsp return NULL;
1179 af57b12a 2020-07-23 stsp const struct got_error *
1180 af57b12a 2020-07-23 stsp got_tree_entry_get_symlink_target(char **link_target, struct got_tree_entry *te,
1181 af57b12a 2020-07-23 stsp struct got_repository *repo)
1183 af57b12a 2020-07-23 stsp const struct got_error *err = NULL;
1184 af57b12a 2020-07-23 stsp struct got_blob_object *blob = NULL;
1186 af57b12a 2020-07-23 stsp *link_target = NULL;
1188 af57b12a 2020-07-23 stsp if (!got_object_tree_entry_is_symlink(te))
1189 af57b12a 2020-07-23 stsp return got_error(GOT_ERR_TREE_ENTRY_TYPE);
1191 af57b12a 2020-07-23 stsp err = got_object_open_as_blob(&blob, repo,
1192 af57b12a 2020-07-23 stsp got_tree_entry_get_id(te), PATH_MAX);
1194 af57b12a 2020-07-23 stsp return err;
1196 af57b12a 2020-07-23 stsp err = got_object_blob_read_to_str(link_target, blob);
1197 af57b12a 2020-07-23 stsp got_object_blob_close(blob);
1198 659dc16e 2020-07-23 stsp if (err) {
1199 659dc16e 2020-07-23 stsp free(*link_target);
1200 659dc16e 2020-07-23 stsp *link_target = NULL;
1202 0d6c6ee3 2020-05-20 stsp return err;
1206 56e0773d 2019-11-28 stsp got_tree_entry_get_index(struct got_tree_entry *te)
1208 56e0773d 2019-11-28 stsp return te->idx;
1211 56e0773d 2019-11-28 stsp struct got_tree_entry *
1212 56e0773d 2019-11-28 stsp got_tree_entry_get_next(struct got_tree_object *tree,
1213 56e0773d 2019-11-28 stsp struct got_tree_entry *te)
1215 56e0773d 2019-11-28 stsp return got_object_tree_get_entry(tree, te->idx + 1);
1218 56e0773d 2019-11-28 stsp struct got_tree_entry *
1219 56e0773d 2019-11-28 stsp got_tree_entry_get_prev(struct got_tree_object *tree,
1220 56e0773d 2019-11-28 stsp struct got_tree_entry *te)
1222 56e0773d 2019-11-28 stsp return got_object_tree_get_entry(tree, te->idx - 1);
1225 3840f4c9 2018-09-12 stsp static const struct got_error *
1226 ac544f8c 2019-01-13 stsp request_packed_blob(uint8_t **outbuf, size_t *size, size_t *hdrlen, int outfd,
1227 ebc55e2d 2018-12-24 stsp struct got_pack *pack, struct got_packidx *packidx, int idx,
1228 ebc55e2d 2018-12-24 stsp struct got_object_id *id)
1230 3840f4c9 2018-09-12 stsp const struct got_error *err = NULL;
1231 3840f4c9 2018-09-12 stsp int outfd_child;
1232 3840f4c9 2018-09-12 stsp int basefd, accumfd; /* temporary files for delta application */
1234 3840f4c9 2018-09-12 stsp basefd = got_opentempfd();
1235 3840f4c9 2018-09-12 stsp if (basefd == -1)
1236 638f9024 2019-05-13 stsp return got_error_from_errno("got_opentempfd");
1237 3840f4c9 2018-09-12 stsp accumfd = got_opentempfd();
1238 3840f4c9 2018-09-12 stsp if (accumfd == -1)
1239 638f9024 2019-05-13 stsp return got_error_from_errno("got_opentempfd");
1241 3840f4c9 2018-09-12 stsp outfd_child = dup(outfd);
1242 3840f4c9 2018-09-12 stsp if (outfd_child == -1)
1243 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1245 ebc55e2d 2018-12-24 stsp err = got_privsep_send_blob_req(pack->privsep_child->ibuf, -1, id, idx);
1247 3840f4c9 2018-09-12 stsp return err;
1249 3840f4c9 2018-09-12 stsp err = got_privsep_send_blob_outfd(pack->privsep_child->ibuf,
1250 3840f4c9 2018-09-12 stsp outfd_child);
1251 3840f4c9 2018-09-12 stsp if (err) {
1252 41496140 2019-02-21 stsp close(basefd);
1253 41496140 2019-02-21 stsp close(accumfd);
1254 3840f4c9 2018-09-12 stsp return err;
1257 3840f4c9 2018-09-12 stsp err = got_privsep_send_tmpfd(pack->privsep_child->ibuf,
1259 3840f4c9 2018-09-12 stsp if (err) {
1260 3840f4c9 2018-09-12 stsp close(accumfd);
1261 3840f4c9 2018-09-12 stsp return err;
1264 3840f4c9 2018-09-12 stsp err = got_privsep_send_tmpfd(pack->privsep_child->ibuf,
1267 3840f4c9 2018-09-12 stsp return err;
1269 ac544f8c 2019-01-13 stsp err = got_privsep_recv_blob(outbuf, size, hdrlen,
1270 ebc55e2d 2018-12-24 stsp pack->privsep_child->ibuf);
1272 3840f4c9 2018-09-12 stsp return err;
1274 3840f4c9 2018-09-12 stsp if (lseek(outfd, SEEK_SET, 0) == -1)
1275 638f9024 2019-05-13 stsp err = got_error_from_errno("lseek");
1277 3840f4c9 2018-09-12 stsp return err;
1280 ebc55e2d 2018-12-24 stsp static const struct got_error *
1281 ac544f8c 2019-01-13 stsp read_packed_blob_privsep(uint8_t **outbuf, size_t *size, size_t *hdrlen,
1282 ac544f8c 2019-01-13 stsp int outfd, struct got_pack *pack, struct got_packidx *packidx, int idx,
1283 ebc55e2d 2018-12-24 stsp struct got_object_id *id)
1285 68482ea3 2017-11-27 stsp const struct got_error *err = NULL;
1287 ebc55e2d 2018-12-24 stsp if (pack->privsep_child == NULL) {
1288 ebc55e2d 2018-12-24 stsp err = start_pack_privsep_child(pack, packidx);
1290 ebc55e2d 2018-12-24 stsp return err;
1293 ac544f8c 2019-01-13 stsp return request_packed_blob(outbuf, size, hdrlen, outfd, pack, packidx,
1297 9f2369b0 2018-12-24 stsp static const struct got_error *
1298 ac544f8c 2019-01-13 stsp request_blob(uint8_t **outbuf, size_t *size, size_t *hdrlen, int outfd,
1299 d5c81d44 2021-07-08 stsp int infd, struct got_object_id *id, struct imsgbuf *ibuf)
1301 9f2369b0 2018-12-24 stsp const struct got_error *err = NULL;
1302 9f2369b0 2018-12-24 stsp int outfd_child;
1304 9f2369b0 2018-12-24 stsp outfd_child = dup(outfd);
1305 9f2369b0 2018-12-24 stsp if (outfd_child == -1)
1306 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1308 d5c81d44 2021-07-08 stsp err = got_privsep_send_blob_req(ibuf, infd, id, -1);
1310 9f2369b0 2018-12-24 stsp return err;
1312 9f2369b0 2018-12-24 stsp err = got_privsep_send_blob_outfd(ibuf, outfd_child);
1314 9f2369b0 2018-12-24 stsp return err;
1316 ac544f8c 2019-01-13 stsp err = got_privsep_recv_blob(outbuf, size, hdrlen, ibuf);
1318 9f2369b0 2018-12-24 stsp return err;
1320 9f2369b0 2018-12-24 stsp if (lseek(outfd, SEEK_SET, 0) == -1)
1321 638f9024 2019-05-13 stsp return got_error_from_errno("lseek");
1323 9f2369b0 2018-12-24 stsp return err;
1326 9f2369b0 2018-12-24 stsp static const struct got_error *
1327 ac544f8c 2019-01-13 stsp read_blob_privsep(uint8_t **outbuf, size_t *size, size_t *hdrlen,
1328 d5c81d44 2021-07-08 stsp int outfd, int infd, struct got_object_id *id, struct got_repository *repo)
1330 ddc7b220 2019-09-08 stsp const struct got_error *err;
1331 9f2369b0 2018-12-24 stsp int imsg_fds[2];
1332 9f2369b0 2018-12-24 stsp pid_t pid;
1333 9f2369b0 2018-12-24 stsp struct imsgbuf *ibuf;
1335 9f2369b0 2018-12-24 stsp if (repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_BLOB].imsg_fd != -1) {
1336 9f2369b0 2018-12-24 stsp ibuf = repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_BLOB].ibuf;
1337 d5c81d44 2021-07-08 stsp return request_blob(outbuf, size, hdrlen, outfd, infd, id,
1341 9f2369b0 2018-12-24 stsp ibuf = calloc(1, sizeof(*ibuf));
1342 9f2369b0 2018-12-24 stsp if (ibuf == NULL)
1343 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
1345 ddc7b220 2019-09-08 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_fds) == -1) {
1346 ddc7b220 2019-09-08 stsp err = got_error_from_errno("socketpair");
1347 ddc7b220 2019-09-08 stsp free(ibuf);
1348 ddc7b220 2019-09-08 stsp return err;
1351 9f2369b0 2018-12-24 stsp pid = fork();
1352 ddc7b220 2019-09-08 stsp if (pid == -1) {
1353 ddc7b220 2019-09-08 stsp err = got_error_from_errno("fork");
1354 ddc7b220 2019-09-08 stsp free(ibuf);
1355 ddc7b220 2019-09-08 stsp return err;
1357 9f2369b0 2018-12-24 stsp else if (pid == 0) {
1358 aba9c984 2019-09-08 stsp got_privsep_exec_child(imsg_fds, GOT_PATH_PROG_READ_BLOB,
1359 9f2369b0 2018-12-24 stsp repo->path);
1360 9f2369b0 2018-12-24 stsp /* not reached */
1363 08578a35 2021-01-22 stsp if (close(imsg_fds[1]) == -1) {
1364 ddc7b220 2019-09-08 stsp err = got_error_from_errno("close");
1365 ddc7b220 2019-09-08 stsp free(ibuf);
1366 ddc7b220 2019-09-08 stsp return err;
1368 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_BLOB].imsg_fd =
1369 9f2369b0 2018-12-24 stsp imsg_fds[0];
1370 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_BLOB].pid = pid;
1371 9f2369b0 2018-12-24 stsp imsg_init(ibuf, imsg_fds[0]);
1372 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_BLOB].ibuf = ibuf;
1374 d5c81d44 2021-07-08 stsp return request_blob(outbuf, size, hdrlen, outfd, infd, id, ibuf);
1377 ebc55e2d 2018-12-24 stsp static const struct got_error *
1378 ebc55e2d 2018-12-24 stsp open_blob(struct got_blob_object **blob, struct got_repository *repo,
1379 ebc55e2d 2018-12-24 stsp struct got_object_id *id, size_t blocksize)
1381 ebc55e2d 2018-12-24 stsp const struct got_error *err = NULL;
1382 ebc55e2d 2018-12-24 stsp struct got_packidx *packidx = NULL;
1384 8d2c5ea3 2019-08-13 stsp char *path_packfile = NULL;
1385 ac544f8c 2019-01-13 stsp uint8_t *outbuf;
1386 e82b1d81 2019-07-27 stsp int outfd;
1387 ebc55e2d 2018-12-24 stsp size_t size, hdrlen;
1388 ebc55e2d 2018-12-24 stsp struct stat sb;
1390 68482ea3 2017-11-27 stsp *blob = calloc(1, sizeof(**blob));
1391 4558fcd4 2018-01-14 stsp if (*blob == NULL)
1392 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
1394 55da3778 2018-09-10 stsp outfd = got_opentempfd();
1395 55da3778 2018-09-10 stsp if (outfd == -1)
1396 638f9024 2019-05-13 stsp return got_error_from_errno("got_opentempfd");
1398 062ebb78 2018-07-12 stsp (*blob)->read_buf = malloc(blocksize);
1399 15c8b0e6 2018-04-24 stsp if ((*blob)->read_buf == NULL) {
1400 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1401 c7254d79 2018-04-24 stsp goto done;
1404 e82b1d81 2019-07-27 stsp err = got_repo_search_packidx(&packidx, &idx, repo, id);
1405 e82b1d81 2019-07-27 stsp if (err == NULL) {
1406 ebc55e2d 2018-12-24 stsp struct got_pack *pack = NULL;
1408 aea75d87 2021-07-06 stsp err = got_packidx_get_packfile_path(&path_packfile,
1409 aea75d87 2021-07-06 stsp packidx->path_packidx);
1411 ebc55e2d 2018-12-24 stsp goto done;
1413 ebc55e2d 2018-12-24 stsp pack = got_repo_get_cached_pack(repo, path_packfile);
1414 55da3778 2018-09-10 stsp if (pack == NULL) {
1415 ebc55e2d 2018-12-24 stsp err = got_repo_cache_pack(&pack, repo, path_packfile,
1418 55da3778 2018-09-10 stsp goto done;
1420 ac544f8c 2019-01-13 stsp err = read_packed_blob_privsep(&outbuf, &size, &hdrlen, outfd,
1421 ac544f8c 2019-01-13 stsp pack, packidx, idx, id);
1422 e82b1d81 2019-07-27 stsp } else if (err->code == GOT_ERR_NO_OBJ) {
1425 762d73f4 2021-04-10 stsp err = got_object_open_loose_fd(&infd, id, repo);
1427 e82b1d81 2019-07-27 stsp goto done;
1428 ac544f8c 2019-01-13 stsp err = read_blob_privsep(&outbuf, &size, &hdrlen, outfd, infd,
1429 d5c81d44 2021-07-08 stsp id, repo);
1432 55da3778 2018-09-10 stsp goto done;
1434 de060dff 2018-12-24 stsp if (hdrlen > size) {
1435 ebc55e2d 2018-12-24 stsp err = got_error(GOT_ERR_BAD_OBJ_HDR);
1436 ebc55e2d 2018-12-24 stsp goto done;
1439 ac544f8c 2019-01-13 stsp if (outbuf) {
1440 08578a35 2021-01-22 stsp if (close(outfd) == -1 && err == NULL)
1441 638f9024 2019-05-13 stsp err = got_error_from_errno("close");
1442 ac544f8c 2019-01-13 stsp outfd = -1;
1443 ac544f8c 2019-01-13 stsp (*blob)->f = fmemopen(outbuf, size, "rb");
1444 ac544f8c 2019-01-13 stsp if ((*blob)->f == NULL) {
1445 638f9024 2019-05-13 stsp err = got_error_from_errno("fmemopen");
1446 ac544f8c 2019-01-13 stsp free(outbuf);
1447 ac544f8c 2019-01-13 stsp goto done;
1449 ac544f8c 2019-01-13 stsp (*blob)->data = outbuf;
1451 ac544f8c 2019-01-13 stsp if (fstat(outfd, &sb) == -1) {
1452 638f9024 2019-05-13 stsp err = got_error_from_errno("fstat");
1453 ac544f8c 2019-01-13 stsp goto done;
1456 ac544f8c 2019-01-13 stsp if (sb.st_size != size) {
1457 ac544f8c 2019-01-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1458 ac544f8c 2019-01-13 stsp goto done;
1461 ac544f8c 2019-01-13 stsp (*blob)->f = fdopen(outfd, "rb");
1462 ac544f8c 2019-01-13 stsp if ((*blob)->f == NULL) {
1463 638f9024 2019-05-13 stsp err = got_error_from_errno("fdopen");
1464 ac544f8c 2019-01-13 stsp close(outfd);
1465 ac544f8c 2019-01-13 stsp outfd = -1;
1466 ac544f8c 2019-01-13 stsp goto done;
1470 ebc55e2d 2018-12-24 stsp (*blob)->hdrlen = hdrlen;
1471 eb651edf 2018-02-11 stsp (*blob)->blocksize = blocksize;
1472 ebc55e2d 2018-12-24 stsp memcpy(&(*blob)->id.sha1, id->sha1, SHA1_DIGEST_LENGTH);
1475 8d2c5ea3 2019-08-13 stsp free(path_packfile);
1476 55da3778 2018-09-10 stsp if (err) {
1477 55da3778 2018-09-10 stsp if (*blob) {
1478 7baf5860 2019-03-19 stsp got_object_blob_close(*blob);
1479 55da3778 2018-09-10 stsp *blob = NULL;
1480 55da3778 2018-09-10 stsp } else if (outfd != -1)
1481 55da3778 2018-09-10 stsp close(outfd);
1483 a19581a2 2018-06-21 stsp return err;
1486 a19581a2 2018-06-21 stsp const struct got_error *
1487 a19581a2 2018-06-21 stsp got_object_open_as_blob(struct got_blob_object **blob,
1488 a19581a2 2018-06-21 stsp struct got_repository *repo, struct got_object_id *id,
1489 a19581a2 2018-06-21 stsp size_t blocksize)
1491 ebc55e2d 2018-12-24 stsp return open_blob(blob, repo, id, blocksize);
1494 ebc55e2d 2018-12-24 stsp const struct got_error *
1495 ebc55e2d 2018-12-24 stsp got_object_blob_open(struct got_blob_object **blob,
1496 ebc55e2d 2018-12-24 stsp struct got_repository *repo, struct got_object *obj, size_t blocksize)
1498 ebc55e2d 2018-12-24 stsp return open_blob(blob, repo, got_object_get_id(obj), blocksize);
1501 fb43ecf1 2019-02-11 stsp const struct got_error *
1502 68482ea3 2017-11-27 stsp got_object_blob_close(struct got_blob_object *blob)
1504 fb43ecf1 2019-02-11 stsp const struct got_error *err = NULL;
1505 15c8b0e6 2018-04-24 stsp free(blob->read_buf);
1506 56b63ca4 2021-01-22 stsp if (blob->f && fclose(blob->f) == EOF)
1507 638f9024 2019-05-13 stsp err = got_error_from_errno("fclose");
1508 ac544f8c 2019-01-13 stsp free(blob->data);
1509 68482ea3 2017-11-27 stsp free(blob);
1510 fb43ecf1 2019-02-11 stsp return err;
1514 8ba819a3 2020-07-23 stsp got_object_blob_rewind(struct got_blob_object *blob)
1516 8ba819a3 2020-07-23 stsp if (blob->f)
1517 8ba819a3 2020-07-23 stsp rewind(blob->f);
1521 f934cf2c 2018-02-12 stsp got_object_blob_id_str(struct got_blob_object *blob, char *buf, size_t size)
1523 f934cf2c 2018-02-12 stsp return got_sha1_digest_to_str(blob->id.sha1, buf, size);
1527 f934cf2c 2018-02-12 stsp got_object_blob_get_hdrlen(struct got_blob_object *blob)
1529 f934cf2c 2018-02-12 stsp return blob->hdrlen;
1532 f934cf2c 2018-02-12 stsp const uint8_t *
1533 f934cf2c 2018-02-12 stsp got_object_blob_get_read_buf(struct got_blob_object *blob)
1535 f934cf2c 2018-02-12 stsp return blob->read_buf;
1538 68482ea3 2017-11-27 stsp const struct got_error *
1539 eb651edf 2018-02-11 stsp got_object_blob_read_block(size_t *outlenp, struct got_blob_object *blob)
1543 eb651edf 2018-02-11 stsp n = fread(blob->read_buf, 1, blob->blocksize, blob->f);
1544 eb651edf 2018-02-11 stsp if (n == 0 && ferror(blob->f))
1545 eb651edf 2018-02-11 stsp return got_ferror(blob->f, GOT_ERR_IO);
1546 eb651edf 2018-02-11 stsp *outlenp = n;
1547 35e9ba5d 2018-06-21 stsp return NULL;
1550 35e9ba5d 2018-06-21 stsp const struct got_error *
1551 be659d10 2020-11-18 stsp got_object_blob_dump_to_file(off_t *filesize, int *nlines,
1552 6c4c42e0 2019-06-24 stsp off_t **line_offsets, FILE *outfile, struct got_blob_object *blob)
1554 35e9ba5d 2018-06-21 stsp const struct got_error *err = NULL;
1555 b6752625 2018-12-24 stsp size_t n, len, hdrlen;
1556 84451b3e 2018-07-10 stsp const uint8_t *buf;
1558 c33ebc60 2020-11-18 stsp const int alloc_chunksz = 512;
1559 c33ebc60 2020-11-18 stsp size_t nalloc = 0;
1560 f595d9bd 2019-08-14 stsp off_t off = 0, total_len = 0;
1562 6c4c42e0 2019-06-24 stsp if (line_offsets)
1563 6c4c42e0 2019-06-24 stsp *line_offsets = NULL;
1564 f595d9bd 2019-08-14 stsp if (filesize)
1565 f595d9bd 2019-08-14 stsp *filesize = 0;
1566 84451b3e 2018-07-10 stsp if (nlines)
1567 84451b3e 2018-07-10 stsp *nlines = 0;
1569 35e9ba5d 2018-06-21 stsp hdrlen = got_object_blob_get_hdrlen(blob);
1571 35e9ba5d 2018-06-21 stsp err = got_object_blob_read_block(&len, blob);
1573 35e9ba5d 2018-06-21 stsp return err;
1574 35e9ba5d 2018-06-21 stsp if (len == 0)
1576 84451b3e 2018-07-10 stsp buf = got_object_blob_get_read_buf(blob);
1577 b02560ec 2019-08-19 stsp i = hdrlen;
1578 f1cbc3bc 2020-11-18 stsp if (nlines) {
1579 f1cbc3bc 2020-11-18 stsp if (line_offsets && *line_offsets == NULL) {
1580 78695fb7 2019-08-12 stsp /* Have some data but perhaps no '\n'. */
1581 78695fb7 2019-08-12 stsp *nlines = 1;
1582 c33ebc60 2020-11-18 stsp nalloc = alloc_chunksz;
1583 c33ebc60 2020-11-18 stsp *line_offsets = calloc(nalloc,
1584 c33ebc60 2020-11-18 stsp sizeof(**line_offsets));
1585 78695fb7 2019-08-12 stsp if (*line_offsets == NULL)
1586 845785d4 2020-02-02 tracey return got_error_from_errno("calloc");
1588 b02560ec 2019-08-19 stsp /* Skip forward over end of first line. */
1589 b02560ec 2019-08-19 stsp while (i < len) {
1590 b02560ec 2019-08-19 stsp if (buf[i] == '\n')
1595 b02560ec 2019-08-19 stsp /* Scan '\n' offsets in remaining chunk of data. */
1596 b02560ec 2019-08-19 stsp while (i < len) {
1597 b02560ec 2019-08-19 stsp if (buf[i] != '\n') {
1601 f595d9bd 2019-08-14 stsp (*nlines)++;
1602 c33ebc60 2020-11-18 stsp if (line_offsets && nalloc < *nlines) {
1603 c33ebc60 2020-11-18 stsp size_t n = *nlines + alloc_chunksz;
1604 78695fb7 2019-08-12 stsp off_t *o = recallocarray(*line_offsets,
1605 c33ebc60 2020-11-18 stsp nalloc, n, sizeof(**line_offsets));
1606 78695fb7 2019-08-12 stsp if (o == NULL) {
1607 78695fb7 2019-08-12 stsp free(*line_offsets);
1608 78695fb7 2019-08-12 stsp *line_offsets = NULL;
1609 78695fb7 2019-08-12 stsp return got_error_from_errno(
1610 78695fb7 2019-08-12 stsp "recallocarray");
1612 78695fb7 2019-08-12 stsp *line_offsets = o;
1613 c33ebc60 2020-11-18 stsp nalloc = n;
1615 f1cbc3bc 2020-11-18 stsp if (line_offsets) {
1616 f1cbc3bc 2020-11-18 stsp off = total_len + i - hdrlen + 1;
1617 f1cbc3bc 2020-11-18 stsp (*line_offsets)[*nlines - 1] = off;
1622 35e9ba5d 2018-06-21 stsp /* Skip blob object header first time around. */
1623 454a6b59 2018-12-24 stsp n = fwrite(buf + hdrlen, 1, len - hdrlen, outfile);
1624 b6752625 2018-12-24 stsp if (n != len - hdrlen)
1625 b6752625 2018-12-24 stsp return got_ferror(outfile, GOT_ERR_IO);
1626 f595d9bd 2019-08-14 stsp total_len += len - hdrlen;
1627 35e9ba5d 2018-06-21 stsp hdrlen = 0;
1628 35e9ba5d 2018-06-21 stsp } while (len != 0);
1630 cbe7f848 2019-02-11 stsp if (fflush(outfile) != 0)
1631 638f9024 2019-05-13 stsp return got_error_from_errno("fflush");
1632 35e9ba5d 2018-06-21 stsp rewind(outfile);
1634 f595d9bd 2019-08-14 stsp if (filesize)
1635 f595d9bd 2019-08-14 stsp *filesize = total_len;
1637 776d4d29 2018-06-17 stsp return NULL;
1640 f4a881ce 2018-11-17 stsp static const struct got_error *
1641 268f7291 2018-12-24 stsp request_packed_tag(struct got_tag_object **tag, struct got_pack *pack,
1642 268f7291 2018-12-24 stsp int pack_idx, struct got_object_id *id)
1644 a158c901 2018-12-23 stsp const struct got_error *err = NULL;
1646 268f7291 2018-12-24 stsp err = got_privsep_send_tag_req(pack->privsep_child->ibuf, -1, id,
1647 268f7291 2018-12-24 stsp pack_idx);
1649 a158c901 2018-12-23 stsp return err;
1651 a158c901 2018-12-23 stsp return got_privsep_recv_tag(tag, pack->privsep_child->ibuf);
1654 268f7291 2018-12-24 stsp static const struct got_error *
1655 268f7291 2018-12-24 stsp read_packed_tag_privsep(struct got_tag_object **tag,
1656 268f7291 2018-12-24 stsp struct got_pack *pack, struct got_packidx *packidx, int idx,
1657 268f7291 2018-12-24 stsp struct got_object_id *id)
1659 268f7291 2018-12-24 stsp const struct got_error *err = NULL;
1661 268f7291 2018-12-24 stsp if (pack->privsep_child)
1662 268f7291 2018-12-24 stsp return request_packed_tag(tag, pack, idx, id);
1664 268f7291 2018-12-24 stsp err = start_pack_privsep_child(pack, packidx);
1666 268f7291 2018-12-24 stsp return err;
1668 268f7291 2018-12-24 stsp return request_packed_tag(tag, pack, idx, id);
1671 9f2369b0 2018-12-24 stsp static const struct got_error *
1672 9f2369b0 2018-12-24 stsp request_tag(struct got_tag_object **tag, struct got_repository *repo,
1673 d5c81d44 2021-07-08 stsp int fd, struct got_object_id *id)
1675 9f2369b0 2018-12-24 stsp const struct got_error *err = NULL;
1676 9f2369b0 2018-12-24 stsp struct imsgbuf *ibuf;
1678 9f2369b0 2018-12-24 stsp ibuf = repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TAG].ibuf;
1680 d5c81d44 2021-07-08 stsp err = got_privsep_send_tag_req(ibuf, fd, id, -1);
1682 9f2369b0 2018-12-24 stsp return err;
1684 9f2369b0 2018-12-24 stsp return got_privsep_recv_tag(tag, ibuf);
1687 9f2369b0 2018-12-24 stsp static const struct got_error *
1688 9f2369b0 2018-12-24 stsp read_tag_privsep(struct got_tag_object **tag, int obj_fd,
1689 d5c81d44 2021-07-08 stsp struct got_object_id *id, struct got_repository *repo)
1691 ddc7b220 2019-09-08 stsp const struct got_error *err;
1692 9f2369b0 2018-12-24 stsp int imsg_fds[2];
1693 9f2369b0 2018-12-24 stsp pid_t pid;
1694 9f2369b0 2018-12-24 stsp struct imsgbuf *ibuf;
1696 9f2369b0 2018-12-24 stsp if (repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TAG].imsg_fd != -1)
1697 d5c81d44 2021-07-08 stsp return request_tag(tag, repo, obj_fd, id);
1699 9f2369b0 2018-12-24 stsp ibuf = calloc(1, sizeof(*ibuf));
1700 9f2369b0 2018-12-24 stsp if (ibuf == NULL)
1701 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
1703 ddc7b220 2019-09-08 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_fds) == -1) {
1704 ddc7b220 2019-09-08 stsp err = got_error_from_errno("socketpair");
1705 ddc7b220 2019-09-08 stsp free(ibuf);
1706 ddc7b220 2019-09-08 stsp return err;
1709 9f2369b0 2018-12-24 stsp pid = fork();
1710 ddc7b220 2019-09-08 stsp if (pid == -1) {
1711 ddc7b220 2019-09-08 stsp err = got_error_from_errno("fork");
1712 ddc7b220 2019-09-08 stsp free(ibuf);
1713 ddc7b220 2019-09-08 stsp return err;
1715 9f2369b0 2018-12-24 stsp else if (pid == 0) {
1716 aba9c984 2019-09-08 stsp got_privsep_exec_child(imsg_fds, GOT_PATH_PROG_READ_TAG,
1717 9f2369b0 2018-12-24 stsp repo->path);
1718 9f2369b0 2018-12-24 stsp /* not reached */
1721 08578a35 2021-01-22 stsp if (close(imsg_fds[1]) == -1) {
1722 ddc7b220 2019-09-08 stsp err = got_error_from_errno("close");
1723 ddc7b220 2019-09-08 stsp free(ibuf);
1724 ddc7b220 2019-09-08 stsp return err;
1726 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TAG].imsg_fd =
1727 9f2369b0 2018-12-24 stsp imsg_fds[0];
1728 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TAG].pid = pid;
1729 9f2369b0 2018-12-24 stsp imsg_init(ibuf, imsg_fds[0]);
1730 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TAG].ibuf = ibuf;
1732 d5c81d44 2021-07-08 stsp return request_tag(tag, repo, obj_fd, id);
1735 a158c901 2018-12-23 stsp static const struct got_error *
1736 268f7291 2018-12-24 stsp open_tag(struct got_tag_object **tag, struct got_repository *repo,
1737 268f7291 2018-12-24 stsp struct got_object_id *id, int check_cache)
1739 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1740 268f7291 2018-12-24 stsp struct got_packidx *packidx = NULL;
1742 8d2c5ea3 2019-08-13 stsp char *path_packfile = NULL;
1743 5d844a1e 2019-08-13 stsp struct got_object *obj = NULL;
1744 5d844a1e 2019-08-13 stsp int obj_type = GOT_OBJ_TYPE_ANY;
1746 f4a881ce 2018-11-17 stsp if (check_cache) {
1747 268f7291 2018-12-24 stsp *tag = got_repo_get_cached_tag(repo, id);
1748 f4a881ce 2018-11-17 stsp if (*tag != NULL) {
1749 f4a881ce 2018-11-17 stsp (*tag)->refcnt++;
1750 f4a881ce 2018-11-17 stsp return NULL;
1753 f4a881ce 2018-11-17 stsp *tag = NULL;
1755 e82b1d81 2019-07-27 stsp err = got_repo_search_packidx(&packidx, &idx, repo, id);
1756 e82b1d81 2019-07-27 stsp if (err == NULL) {
1757 268f7291 2018-12-24 stsp struct got_pack *pack = NULL;
1759 aea75d87 2021-07-06 stsp err = got_packidx_get_packfile_path(&path_packfile,
1760 aea75d87 2021-07-06 stsp packidx->path_packidx);
1762 268f7291 2018-12-24 stsp return err;
1764 268f7291 2018-12-24 stsp pack = got_repo_get_cached_pack(repo, path_packfile);
1765 f4a881ce 2018-11-17 stsp if (pack == NULL) {
1766 e82b1d81 2019-07-27 stsp err = got_repo_cache_pack(&pack, repo, path_packfile,
1769 8d2c5ea3 2019-08-13 stsp goto done;
1772 992eb9d8 2020-02-07 tracey /* Beware of "lightweight" tags: Check object type first. */
1773 5d844a1e 2019-08-13 stsp err = read_packed_object_privsep(&obj, repo, pack, packidx,
1776 5d844a1e 2019-08-13 stsp goto done;
1777 5d844a1e 2019-08-13 stsp obj_type = obj->type;
1778 5d844a1e 2019-08-13 stsp got_object_close(obj);
1779 5d844a1e 2019-08-13 stsp if (obj_type != GOT_OBJ_TYPE_TAG) {
1780 5d844a1e 2019-08-13 stsp err = got_error(GOT_ERR_OBJ_TYPE);
1781 5d844a1e 2019-08-13 stsp goto done;
1783 5d844a1e 2019-08-13 stsp err = read_packed_tag_privsep(tag, pack, packidx, idx, id);
1784 e82b1d81 2019-07-27 stsp } else if (err->code == GOT_ERR_NO_OBJ) {
1787 762d73f4 2021-04-10 stsp err = got_object_open_loose_fd(&fd, id, repo);
1789 e82b1d81 2019-07-27 stsp return err;
1790 d5c81d44 2021-07-08 stsp err = got_object_read_header_privsep(&obj, id, repo, fd);
1792 5d844a1e 2019-08-13 stsp return err;
1793 5d844a1e 2019-08-13 stsp obj_type = obj->type;
1794 5d844a1e 2019-08-13 stsp got_object_close(obj);
1795 5d844a1e 2019-08-13 stsp if (obj_type != GOT_OBJ_TYPE_TAG)
1796 5d844a1e 2019-08-13 stsp return got_error(GOT_ERR_OBJ_TYPE);
1798 762d73f4 2021-04-10 stsp err = got_object_open_loose_fd(&fd, id, repo);
1800 5d844a1e 2019-08-13 stsp return err;
1801 d5c81d44 2021-07-08 stsp err = read_tag_privsep(tag, fd, id, repo);
1804 f4a881ce 2018-11-17 stsp if (err == NULL) {
1805 f4a881ce 2018-11-17 stsp (*tag)->refcnt++;
1806 268f7291 2018-12-24 stsp err = got_repo_cache_tag(repo, id, *tag);
1809 8d2c5ea3 2019-08-13 stsp free(path_packfile);
1810 f4a881ce 2018-11-17 stsp return err;
1813 f4a881ce 2018-11-17 stsp const struct got_error *
1814 f4a881ce 2018-11-17 stsp got_object_open_as_tag(struct got_tag_object **tag,
1815 f4a881ce 2018-11-17 stsp struct got_repository *repo, struct got_object_id *id)
1817 f4a881ce 2018-11-17 stsp *tag = got_repo_get_cached_tag(repo, id);
1818 f4a881ce 2018-11-17 stsp if (*tag != NULL) {
1819 f4a881ce 2018-11-17 stsp (*tag)->refcnt++;
1820 f4a881ce 2018-11-17 stsp return NULL;
1823 268f7291 2018-12-24 stsp return open_tag(tag, repo, id, 0);
1826 f4a881ce 2018-11-17 stsp const struct got_error *
1827 f4a881ce 2018-11-17 stsp got_object_tag_open(struct got_tag_object **tag,
1828 f4a881ce 2018-11-17 stsp struct got_repository *repo, struct got_object *obj)
1830 268f7291 2018-12-24 stsp return open_tag(tag, repo, got_object_get_id(obj), 1);
1833 d24820bf 2019-08-11 stsp const char *
1834 d24820bf 2019-08-11 stsp got_object_tag_get_name(struct got_tag_object *tag)
1836 d24820bf 2019-08-11 stsp return tag->tag;
1840 0bd18d37 2019-02-01 stsp got_object_tag_get_object_type(struct got_tag_object *tag)
1842 0bd18d37 2019-02-01 stsp return tag->obj_type;
1845 0bd18d37 2019-02-01 stsp struct got_object_id *
1846 0bd18d37 2019-02-01 stsp got_object_tag_get_object_id(struct got_tag_object *tag)
1848 0bd18d37 2019-02-01 stsp return &tag->id;
1852 01073a5d 2019-08-22 stsp got_object_tag_get_tagger_time(struct got_tag_object *tag)
1854 01073a5d 2019-08-22 stsp return tag->tagger_time;
1858 01073a5d 2019-08-22 stsp got_object_tag_get_tagger_gmtoff(struct got_tag_object *tag)
1860 01073a5d 2019-08-22 stsp return tag->tagger_gmtoff;
1863 01073a5d 2019-08-22 stsp const char *
1864 01073a5d 2019-08-22 stsp got_object_tag_get_tagger(struct got_tag_object *tag)
1866 01073a5d 2019-08-22 stsp return tag->tagger;
1869 01073a5d 2019-08-22 stsp const char *
1870 01073a5d 2019-08-22 stsp got_object_tag_get_message(struct got_tag_object *tag)
1872 01073a5d 2019-08-22 stsp return tag->tagmsg;
1875 776d4d29 2018-06-17 stsp static struct got_tree_entry *
1876 65a9bbe9 2018-09-15 stsp find_entry_by_name(struct got_tree_object *tree, const char *name, size_t len)
1880 63da309a 2018-11-07 stsp /* Note that tree entries are sorted in strncmp() order. */
1881 56e0773d 2019-11-28 stsp for (i = 0; i < tree->nentries; i++) {
1882 56e0773d 2019-11-28 stsp struct got_tree_entry *te = &tree->entries[i];
1883 63da309a 2018-11-07 stsp int cmp = strncmp(te->name, name, len);
1884 63da309a 2018-11-07 stsp if (cmp < 0)
1886 63da309a 2018-11-07 stsp if (cmp > 0)
1888 63da309a 2018-11-07 stsp if (te->name[len] == '\0')
1889 776d4d29 2018-06-17 stsp return te;
1891 eb651edf 2018-02-11 stsp return NULL;
1894 56e0773d 2019-11-28 stsp struct got_tree_entry *
1895 a129376b 2019-03-28 stsp got_object_tree_find_entry(struct got_tree_object *tree, const char *name)
1897 a129376b 2019-03-28 stsp return find_entry_by_name(tree, name, strlen(name));
1900 776d4d29 2018-06-17 stsp const struct got_error *
1901 67b631c9 2021-10-10 stsp got_object_tree_find_path(struct got_object_id **id, mode_t *mode,
1902 67b631c9 2021-10-10 stsp struct got_repository *repo, struct got_tree_object *tree,
1903 67b631c9 2021-10-10 stsp const char *path)
1905 776d4d29 2018-06-17 stsp const struct got_error *err = NULL;
1906 67b631c9 2021-10-10 stsp struct got_tree_object *subtree = NULL;
1907 db37e2c0 2018-06-21 stsp struct got_tree_entry *te = NULL;
1908 65a9bbe9 2018-09-15 stsp const char *seg, *s;
1909 b7cd37e5 2018-11-18 stsp size_t seglen;
1911 27d434c2 2018-09-15 stsp *id = NULL;
1914 5e54fb30 2019-05-31 stsp while (s[0] == '/')
1917 65a9bbe9 2018-09-15 stsp seglen = 0;
1918 67b631c9 2021-10-10 stsp subtree = tree;
1919 b7cd37e5 2018-11-18 stsp while (*s) {
1920 776d4d29 2018-06-17 stsp struct got_tree_object *next_tree;
1922 776d4d29 2018-06-17 stsp if (*s != '/') {
1929 67b631c9 2021-10-10 stsp te = find_entry_by_name(subtree, seg, seglen);
1930 db37e2c0 2018-06-21 stsp if (te == NULL) {
1931 b66cd6f3 2020-07-31 stsp err = got_error_path(path, GOT_ERR_NO_TREE_ENTRY);
1932 776d4d29 2018-06-17 stsp goto done;
1935 b7cd37e5 2018-11-18 stsp if (*s == '\0')
1938 776d4d29 2018-06-17 stsp seg = s + 1;
1939 65a9bbe9 2018-09-15 stsp seglen = 0;
1942 776d4d29 2018-06-17 stsp err = got_object_open_as_tree(&next_tree, repo,
1944 db37e2c0 2018-06-21 stsp te = NULL;
1946 776d4d29 2018-06-17 stsp goto done;
1947 67b631c9 2021-10-10 stsp if (subtree != tree)
1948 67b631c9 2021-10-10 stsp got_object_tree_close(subtree);
1949 67b631c9 2021-10-10 stsp subtree = next_tree;
1954 56e0773d 2019-11-28 stsp *id = got_object_id_dup(&te->id);
1955 27d434c2 2018-09-15 stsp if (*id == NULL)
1956 638f9024 2019-05-13 stsp return got_error_from_errno("got_object_id_dup");
1958 67b631c9 2021-10-10 stsp *mode = te->mode;
1960 b66cd6f3 2020-07-31 stsp err = got_error_path(path, GOT_ERR_NO_TREE_ENTRY);
1962 67b631c9 2021-10-10 stsp if (subtree && subtree != tree)
1963 67b631c9 2021-10-10 stsp got_object_tree_close(subtree);
1964 67b631c9 2021-10-10 stsp return err;
1966 67b631c9 2021-10-10 stsp const struct got_error *
1967 67b631c9 2021-10-10 stsp got_object_id_by_path(struct got_object_id **id, struct got_repository *repo,
1968 67b631c9 2021-10-10 stsp struct got_object_id *commit_id, const char *path)
1970 67b631c9 2021-10-10 stsp const struct got_error *err = NULL;
1971 67b631c9 2021-10-10 stsp struct got_commit_object *commit = NULL;
1972 67b631c9 2021-10-10 stsp struct got_tree_object *tree = NULL;
1974 67b631c9 2021-10-10 stsp *id = NULL;
1976 67b631c9 2021-10-10 stsp err = got_object_open_as_commit(&commit, repo, commit_id);
1978 67b631c9 2021-10-10 stsp goto done;
1980 67b631c9 2021-10-10 stsp /* Handle opening of root of commit's tree. */
1981 67b631c9 2021-10-10 stsp if (got_path_is_root_dir(path)) {
1982 67b631c9 2021-10-10 stsp *id = got_object_id_dup(commit->tree_id);
1983 67b631c9 2021-10-10 stsp if (*id == NULL)
1984 67b631c9 2021-10-10 stsp err = got_error_from_errno("got_object_id_dup");
1986 67b631c9 2021-10-10 stsp err = got_object_open_as_tree(&tree, repo, commit->tree_id);
1988 67b631c9 2021-10-10 stsp goto done;
1989 67b631c9 2021-10-10 stsp err = got_object_tree_find_path(id, NULL, repo, tree, path);
1992 776d4d29 2018-06-17 stsp if (commit)
1993 776d4d29 2018-06-17 stsp got_object_commit_close(commit);
1995 776d4d29 2018-06-17 stsp got_object_tree_close(tree);
1996 776d4d29 2018-06-17 stsp return err;
2000 ac5f2b26 2020-05-05 stsp * Normalize file mode bits to avoid false positive tree entry differences
2001 ac5f2b26 2020-05-05 stsp * in case tree entries have unexpected mode bits set.
2003 ac5f2b26 2020-05-05 stsp static mode_t
2004 ac5f2b26 2020-05-05 stsp normalize_mode_for_comparison(mode_t mode)
2007 ac5f2b26 2020-05-05 stsp * For directories, the only relevant bit is the IFDIR bit.
2008 ac5f2b26 2020-05-05 stsp * This allows us to detect paths changing from a directory
2009 ac5f2b26 2020-05-05 stsp * to a file and vice versa.
2011 ac5f2b26 2020-05-05 stsp if (S_ISDIR(mode))
2012 ac5f2b26 2020-05-05 stsp return mode & S_IFDIR;
2015 40dde666 2020-07-23 stsp * For symlinks, the only relevant bit is the IFLNK bit.
2016 40dde666 2020-07-23 stsp * This allows us to detect paths changing from a symlinks
2017 40dde666 2020-07-23 stsp * to a file or directory and vice versa.
2019 40dde666 2020-07-23 stsp if (S_ISLNK(mode))
2020 40dde666 2020-07-23 stsp return mode & S_IFLNK;
2022 ac5f2b26 2020-05-05 stsp /* For files, the only change we care about is the executable bit. */
2023 ac5f2b26 2020-05-05 stsp return mode & S_IXUSR;
2026 07862c20 2018-09-15 stsp const struct got_error *
2027 07862c20 2018-09-15 stsp got_object_tree_path_changed(int *changed,
2028 07862c20 2018-09-15 stsp struct got_tree_object *tree01, struct got_tree_object *tree02,
2029 07862c20 2018-09-15 stsp const char *path, struct got_repository *repo)
2031 07862c20 2018-09-15 stsp const struct got_error *err = NULL;
2032 07862c20 2018-09-15 stsp struct got_tree_object *tree1 = NULL, *tree2 = NULL;
2033 07862c20 2018-09-15 stsp struct got_tree_entry *te1 = NULL, *te2 = NULL;
2034 65a9bbe9 2018-09-15 stsp const char *seg, *s;
2035 3b7f9878 2018-11-18 stsp size_t seglen;
2037 07862c20 2018-09-15 stsp *changed = 0;
2039 07862c20 2018-09-15 stsp /* We not do support comparing the root path. */
2040 61a7d79f 2020-02-29 stsp if (got_path_is_root_dir(path))
2041 63f810e6 2020-02-29 stsp return got_error_path(path, GOT_ERR_BAD_PATH);
2043 07862c20 2018-09-15 stsp tree1 = tree01;
2044 07862c20 2018-09-15 stsp tree2 = tree02;
2046 61a7d79f 2020-02-29 stsp while (*s == '/')
2049 65a9bbe9 2018-09-15 stsp seglen = 0;
2050 3b7f9878 2018-11-18 stsp while (*s) {
2051 07862c20 2018-09-15 stsp struct got_tree_object *next_tree1, *next_tree2;
2052 ac5f2b26 2020-05-05 stsp mode_t mode1, mode2;
2054 07862c20 2018-09-15 stsp if (*s != '/') {
2061 65a9bbe9 2018-09-15 stsp te1 = find_entry_by_name(tree1, seg, seglen);
2062 07862c20 2018-09-15 stsp if (te1 == NULL) {
2063 07862c20 2018-09-15 stsp err = got_error(GOT_ERR_NO_OBJ);
2064 07862c20 2018-09-15 stsp goto done;
2067 e8bfb8f3 2020-12-18 stsp if (tree2)
2068 e8bfb8f3 2020-12-18 stsp te2 = find_entry_by_name(tree2, seg, seglen);
2070 e8bfb8f3 2020-12-18 stsp if (te2) {
2071 e8bfb8f3 2020-12-18 stsp mode1 = normalize_mode_for_comparison(te1->mode);
2072 e8bfb8f3 2020-12-18 stsp mode2 = normalize_mode_for_comparison(te2->mode);
2073 e8bfb8f3 2020-12-18 stsp if (mode1 != mode2) {
2074 e8bfb8f3 2020-12-18 stsp *changed = 1;
2075 e8bfb8f3 2020-12-18 stsp goto done;
2078 e8bfb8f3 2020-12-18 stsp if (got_object_id_cmp(&te1->id, &te2->id) == 0) {
2079 e8bfb8f3 2020-12-18 stsp *changed = 0;
2080 e8bfb8f3 2020-12-18 stsp goto done;
2084 3b7f9878 2018-11-18 stsp if (*s == '\0') { /* final path element */
2085 07862c20 2018-09-15 stsp *changed = 1;
2086 07862c20 2018-09-15 stsp goto done;
2089 07862c20 2018-09-15 stsp seg = s + 1;
2091 65a9bbe9 2018-09-15 stsp seglen = 0;
2093 07862c20 2018-09-15 stsp err = got_object_open_as_tree(&next_tree1, repo,
2094 56e0773d 2019-11-28 stsp &te1->id);
2095 07862c20 2018-09-15 stsp te1 = NULL;
2097 07862c20 2018-09-15 stsp goto done;
2098 a31cea73 2018-09-15 stsp if (tree1 != tree01)
2099 a31cea73 2018-09-15 stsp got_object_tree_close(tree1);
2100 07862c20 2018-09-15 stsp tree1 = next_tree1;
2102 e8bfb8f3 2020-12-18 stsp if (te2) {
2103 e8bfb8f3 2020-12-18 stsp err = got_object_open_as_tree(&next_tree2, repo,
2104 e8bfb8f3 2020-12-18 stsp &te2->id);
2105 e8bfb8f3 2020-12-18 stsp te2 = NULL;
2107 e8bfb8f3 2020-12-18 stsp goto done;
2108 e8bfb8f3 2020-12-18 stsp if (tree2 != tree02)
2109 e8bfb8f3 2020-12-18 stsp got_object_tree_close(tree2);
2110 e8bfb8f3 2020-12-18 stsp tree2 = next_tree2;
2111 e8bfb8f3 2020-12-18 stsp } else if (tree2) {
2112 e8bfb8f3 2020-12-18 stsp if (tree2 != tree02)
2113 e8bfb8f3 2020-12-18 stsp got_object_tree_close(tree2);
2114 e8bfb8f3 2020-12-18 stsp tree2 = NULL;
2119 a31cea73 2018-09-15 stsp if (tree1 && tree1 != tree01)
2120 07862c20 2018-09-15 stsp got_object_tree_close(tree1);
2121 a31cea73 2018-09-15 stsp if (tree2 && tree2 != tree02)
2122 07862c20 2018-09-15 stsp got_object_tree_close(tree2);
2123 77880158 2018-11-04 stsp return err;
2126 ed175427 2019-05-09 stsp const struct got_error *
2127 ed175427 2019-05-09 stsp got_object_tree_entry_dup(struct got_tree_entry **new_te,
2128 ed175427 2019-05-09 stsp struct got_tree_entry *te)
2130 ed175427 2019-05-09 stsp const struct got_error *err = NULL;
2132 ed175427 2019-05-09 stsp *new_te = calloc(1, sizeof(**new_te));
2133 ed175427 2019-05-09 stsp if (*new_te == NULL)
2134 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
2136 ed175427 2019-05-09 stsp (*new_te)->mode = te->mode;
2137 56e0773d 2019-11-28 stsp memcpy((*new_te)->name, te->name, sizeof((*new_te)->name));
2138 56e0773d 2019-11-28 stsp memcpy(&(*new_te)->id, &te->id, sizeof((*new_te)->id));
2139 8c4eabf2 2019-05-10 stsp return err;
2143 56e0773d 2019-11-28 stsp got_object_tree_entry_is_submodule(struct got_tree_entry *te)
2145 63c5ca5d 2019-08-24 stsp return (te->mode & S_IFMT) == (S_IFDIR | S_IFLNK);
2149 e40622f4 2020-07-23 stsp got_object_tree_entry_is_symlink(struct got_tree_entry *te)
2151 e40622f4 2020-07-23 stsp /* S_IFDIR check avoids confusing symlinks with submodules. */
2152 e40622f4 2020-07-23 stsp return ((te->mode & (S_IFDIR | S_IFLNK)) == S_IFLNK);
2155 e40622f4 2020-07-23 stsp static const struct got_error *
2156 e40622f4 2020-07-23 stsp resolve_symlink(char **link_target, const char *path,
2157 e40622f4 2020-07-23 stsp struct got_object_id *commit_id, struct got_repository *repo)
2159 e40622f4 2020-07-23 stsp const struct got_error *err = NULL;
2160 dbdd6209 2020-10-19 stsp char buf[PATH_MAX];
2161 e40622f4 2020-07-23 stsp char *name, *parent_path = NULL;
2162 e40622f4 2020-07-23 stsp struct got_object_id *tree_obj_id = NULL;
2163 e40622f4 2020-07-23 stsp struct got_tree_object *tree = NULL;
2164 e40622f4 2020-07-23 stsp struct got_tree_entry *te = NULL;
2166 e40622f4 2020-07-23 stsp *link_target = NULL;
2168 dbdd6209 2020-10-19 stsp if (strlcpy(buf, path, sizeof(buf)) >= sizeof(buf))
2169 dbdd6209 2020-10-19 stsp return got_error(GOT_ERR_NO_SPACE);
2171 dbdd6209 2020-10-19 stsp name = basename(buf);
2172 e40622f4 2020-07-23 stsp if (name == NULL)
2173 e40622f4 2020-07-23 stsp return got_error_from_errno2("basename", path);
2175 e40622f4 2020-07-23 stsp err = got_path_dirname(&parent_path, path);
2177 e40622f4 2020-07-23 stsp return err;
2179 e40622f4 2020-07-23 stsp err = got_object_id_by_path(&tree_obj_id, repo, commit_id,
2180 e40622f4 2020-07-23 stsp parent_path);
2181 e40622f4 2020-07-23 stsp if (err) {
2182 e40622f4 2020-07-23 stsp if (err->code == GOT_ERR_NO_TREE_ENTRY) {
2183 e40622f4 2020-07-23 stsp /* Display the complete path in error message. */
2184 e40622f4 2020-07-23 stsp err = got_error_path(path, err->code);
2186 e40622f4 2020-07-23 stsp goto done;
2189 e40622f4 2020-07-23 stsp err = got_object_open_as_tree(&tree, repo, tree_obj_id);
2191 e40622f4 2020-07-23 stsp goto done;
2193 e40622f4 2020-07-23 stsp te = got_object_tree_find_entry(tree, name);
2194 e40622f4 2020-07-23 stsp if (te == NULL) {
2195 e40622f4 2020-07-23 stsp err = got_error_path(path, GOT_ERR_NO_TREE_ENTRY);
2196 e40622f4 2020-07-23 stsp goto done;
2199 e40622f4 2020-07-23 stsp if (got_object_tree_entry_is_symlink(te)) {
2200 e40622f4 2020-07-23 stsp err = got_tree_entry_get_symlink_target(link_target, te, repo);
2202 e40622f4 2020-07-23 stsp goto done;
2203 e40622f4 2020-07-23 stsp if (!got_path_is_absolute(*link_target)) {
2204 e40622f4 2020-07-23 stsp char *abspath;
2205 e40622f4 2020-07-23 stsp if (asprintf(&abspath, "%s/%s", parent_path,
2206 e40622f4 2020-07-23 stsp *link_target) == -1) {
2207 e40622f4 2020-07-23 stsp err = got_error_from_errno("asprintf");
2208 e40622f4 2020-07-23 stsp goto done;
2210 e40622f4 2020-07-23 stsp free(*link_target);
2211 e40622f4 2020-07-23 stsp *link_target = malloc(PATH_MAX);
2212 e40622f4 2020-07-23 stsp if (*link_target == NULL) {
2213 e40622f4 2020-07-23 stsp err = got_error_from_errno("malloc");
2214 e40622f4 2020-07-23 stsp goto done;
2216 e40622f4 2020-07-23 stsp err = got_canonpath(abspath, *link_target, PATH_MAX);
2217 e40622f4 2020-07-23 stsp free(abspath);
2219 e40622f4 2020-07-23 stsp goto done;
2223 e40622f4 2020-07-23 stsp free(tree_obj_id);
2225 e40622f4 2020-07-23 stsp got_object_tree_close(tree);
2226 e40622f4 2020-07-23 stsp if (err) {
2227 e40622f4 2020-07-23 stsp free(*link_target);
2228 e40622f4 2020-07-23 stsp *link_target = NULL;
2230 e40622f4 2020-07-23 stsp return err;
2233 ca6e02ac 2020-01-07 stsp const struct got_error *
2234 e40622f4 2020-07-23 stsp got_object_resolve_symlinks(char **link_target, const char *path,
2235 e40622f4 2020-07-23 stsp struct got_object_id *commit_id, struct got_repository *repo)
2237 e40622f4 2020-07-23 stsp const struct got_error *err = NULL;
2238 e40622f4 2020-07-23 stsp char *next_target = NULL;
2239 e40622f4 2020-07-23 stsp int max_recursion = 40; /* matches Git */
2241 e40622f4 2020-07-23 stsp *link_target = NULL;
2244 e40622f4 2020-07-23 stsp err = resolve_symlink(&next_target,
2245 e40622f4 2020-07-23 stsp *link_target ? *link_target : path, commit_id, repo);
2248 e40622f4 2020-07-23 stsp if (next_target) {
2249 e40622f4 2020-07-23 stsp free(*link_target);
2250 e40622f4 2020-07-23 stsp if (--max_recursion == 0) {
2251 e40622f4 2020-07-23 stsp err = got_error_path(path, GOT_ERR_RECURSION);
2252 e40622f4 2020-07-23 stsp *link_target = NULL;
2255 e40622f4 2020-07-23 stsp *link_target = next_target;
2257 e40622f4 2020-07-23 stsp } while (next_target);
2259 e40622f4 2020-07-23 stsp return err;
2262 e40622f4 2020-07-23 stsp const struct got_error *
2263 ca6e02ac 2020-01-07 stsp got_traverse_packed_commits(struct got_object_id_queue *traversed_commits,
2264 ca6e02ac 2020-01-07 stsp struct got_object_id *commit_id, const char *path,
2265 ca6e02ac 2020-01-07 stsp struct got_repository *repo)
2267 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
2268 ca6e02ac 2020-01-07 stsp struct got_pack *pack = NULL;
2269 ca6e02ac 2020-01-07 stsp struct got_packidx *packidx = NULL;
2270 ca6e02ac 2020-01-07 stsp char *path_packfile = NULL;
2271 ca6e02ac 2020-01-07 stsp struct got_commit_object *changed_commit = NULL;
2272 ca6e02ac 2020-01-07 stsp struct got_object_id *changed_commit_id = NULL;
2275 ca6e02ac 2020-01-07 stsp err = got_repo_search_packidx(&packidx, &idx, repo, commit_id);
2276 ca6e02ac 2020-01-07 stsp if (err) {
2277 ca6e02ac 2020-01-07 stsp if (err->code != GOT_ERR_NO_OBJ)
2278 ca6e02ac 2020-01-07 stsp return err;
2279 ca6e02ac 2020-01-07 stsp return NULL;
2282 aea75d87 2021-07-06 stsp err = got_packidx_get_packfile_path(&path_packfile,
2283 aea75d87 2021-07-06 stsp packidx->path_packidx);
2285 ca6e02ac 2020-01-07 stsp return err;
2287 ca6e02ac 2020-01-07 stsp pack = got_repo_get_cached_pack(repo, path_packfile);
2288 ca6e02ac 2020-01-07 stsp if (pack == NULL) {
2289 ca6e02ac 2020-01-07 stsp err = got_repo_cache_pack(&pack, repo, path_packfile, packidx);
2291 ca6e02ac 2020-01-07 stsp goto done;
2294 ca6e02ac 2020-01-07 stsp if (pack->privsep_child == NULL) {
2295 ca6e02ac 2020-01-07 stsp err = start_pack_privsep_child(pack, packidx);
2297 ca6e02ac 2020-01-07 stsp goto done;
2300 ca6e02ac 2020-01-07 stsp err = got_privsep_send_commit_traversal_request(
2301 ca6e02ac 2020-01-07 stsp pack->privsep_child->ibuf, commit_id, idx, path);
2303 ca6e02ac 2020-01-07 stsp goto done;
2305 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_traversed_commits(&changed_commit,
2306 ca6e02ac 2020-01-07 stsp &changed_commit_id, traversed_commits, pack->privsep_child->ibuf);
2308 ca6e02ac 2020-01-07 stsp goto done;
2310 ca6e02ac 2020-01-07 stsp if (changed_commit) {
2312 ca6e02ac 2020-01-07 stsp * Cache the commit in which the path was changed.
2313 ca6e02ac 2020-01-07 stsp * This commit might be opened again soon.
2315 ca6e02ac 2020-01-07 stsp changed_commit->refcnt++;
2316 ca6e02ac 2020-01-07 stsp err = got_repo_cache_commit(repo, changed_commit_id,
2317 ca6e02ac 2020-01-07 stsp changed_commit);
2318 ca6e02ac 2020-01-07 stsp got_object_commit_close(changed_commit);
2321 ca6e02ac 2020-01-07 stsp free(path_packfile);
2322 ca6e02ac 2020-01-07 stsp free(changed_commit_id);
2323 ca6e02ac 2020-01-07 stsp return err;
