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 2178c42e 2018-04-22 stsp #include <sys/uio.h>
20 2178c42e 2018-04-22 stsp #include <sys/socket.h>
21 2178c42e 2018-04-22 stsp #include <sys/wait.h>
22 b48e2ddb 2019-05-22 stsp #include <sys/resource.h>
24 a1fd68d8 2018-01-12 stsp #include <errno.h>
25 2178c42e 2018-04-22 stsp #include <fcntl.h>
26 d71d75ad 2017-11-05 stsp #include <stdio.h>
27 ab9a70b2 2017-11-06 stsp #include <stdlib.h>
28 ab9a70b2 2017-11-06 stsp #include <string.h>
29 2178c42e 2018-04-22 stsp #include <stdint.h>
30 81a12da5 2020-09-09 naddy #include <unistd.h>
31 ab9a70b2 2017-11-06 stsp #include <zlib.h>
32 ab9a70b2 2017-11-06 stsp #include <ctype.h>
33 e40622f4 2020-07-23 stsp #include <libgen.h>
34 ab9a70b2 2017-11-06 stsp #include <limits.h>
35 788c352e 2018-06-16 stsp #include <time.h>
37 dd038bc6 2021-09-21 thomas.ad #include "got_compat.h"
39 ab9a70b2 2017-11-06 stsp #include "got_error.h"
40 d71d75ad 2017-11-05 stsp #include "got_object.h"
41 ab9a70b2 2017-11-06 stsp #include "got_repository.h"
42 511a516b 2018-05-19 stsp #include "got_opentemp.h"
43 324d37e7 2019-05-11 stsp #include "got_path.h"
45 718b3ab0 2018-03-17 stsp #include "got_lib_sha1.h"
46 718b3ab0 2018-03-17 stsp #include "got_lib_delta.h"
47 63581804 2018-07-09 stsp #include "got_lib_inflate.h"
48 718b3ab0 2018-03-17 stsp #include "got_lib_object.h"
49 2178c42e 2018-04-22 stsp #include "got_lib_privsep.h"
50 6bef87be 2018-09-11 stsp #include "got_lib_object_idcache.h"
51 6bef87be 2018-09-11 stsp #include "got_lib_object_cache.h"
52 ad242220 2018-09-08 stsp #include "got_lib_object_parse.h"
53 15a94983 2018-12-23 stsp #include "got_lib_pack.h"
54 7bb0daa1 2018-06-21 stsp #include "got_lib_repository.h"
57 ab9a70b2 2017-11-06 stsp #define MIN(_a,_b) ((_a) < (_b) ? (_a) : (_b))
60 3235492e 2018-04-01 stsp struct got_object_id *
61 3235492e 2018-04-01 stsp got_object_get_id(struct got_object *obj)
63 6402fb3c 2018-09-15 stsp return &obj->id;
66 bacc9935 2018-05-20 stsp const struct got_error *
67 bacc9935 2018-05-20 stsp got_object_get_id_str(char **outbuf, struct got_object *obj)
69 bacc9935 2018-05-20 stsp return got_object_id_str(outbuf, &obj->id);
72 15a94983 2018-12-23 stsp const struct got_error *
73 15a94983 2018-12-23 stsp got_object_get_type(int *type, struct got_repository *repo,
74 15a94983 2018-12-23 stsp struct got_object_id *id)
76 15a94983 2018-12-23 stsp const struct got_error *err = NULL;
77 15a94983 2018-12-23 stsp struct got_object *obj;
79 15a94983 2018-12-23 stsp err = got_object_open(&obj, repo, id);
83 b107e67f 2018-01-19 stsp switch (obj->type) {
84 a1fd68d8 2018-01-12 stsp case GOT_OBJ_TYPE_COMMIT:
85 a1fd68d8 2018-01-12 stsp case GOT_OBJ_TYPE_TREE:
86 a1fd68d8 2018-01-12 stsp case GOT_OBJ_TYPE_BLOB:
87 b107e67f 2018-01-19 stsp case GOT_OBJ_TYPE_TAG:
88 15a94983 2018-12-23 stsp *type = obj->type;
91 15a94983 2018-12-23 stsp err = got_error(GOT_ERR_OBJ_TYPE);
95 15a94983 2018-12-23 stsp got_object_close(obj);
99 90bdb554 2019-04-11 stsp const struct got_error *
100 90bdb554 2019-04-11 stsp got_object_get_path(char **path, struct got_object_id *id,
101 90bdb554 2019-04-11 stsp struct got_repository *repo)
103 ab9a70b2 2017-11-06 stsp const struct got_error *err = NULL;
104 7a132809 2018-07-23 stsp char *hex = NULL;
105 41d2888b 2019-08-11 stsp char *path_objects;
107 e6b1056e 2018-04-22 stsp *path = NULL;
109 41d2888b 2019-08-11 stsp path_objects = got_repo_get_path_objects(repo);
110 ab9a70b2 2017-11-06 stsp if (path_objects == NULL)
111 638f9024 2019-05-13 stsp return got_error_from_errno("got_repo_get_path_objects");
113 ef0981d5 2018-02-12 stsp err = got_object_id_str(&hex, id);
117 d1cda826 2017-11-06 stsp if (asprintf(path, "%s/%.2x/%s", path_objects,
118 d1cda826 2017-11-06 stsp id->sha1[0], hex + 2) == -1)
119 638f9024 2019-05-13 stsp err = got_error_from_errno("asprintf");
123 d1cda826 2017-11-06 stsp free(path_objects);
124 d1cda826 2017-11-06 stsp return err;
127 762d73f4 2021-04-10 stsp const struct got_error *
128 762d73f4 2021-04-10 stsp got_object_open_loose_fd(int *fd, struct got_object_id *id,
129 4796fb13 2018-12-23 stsp struct got_repository *repo)
131 d1cda826 2017-11-06 stsp const struct got_error *err = NULL;
132 a1fd68d8 2018-01-12 stsp char *path;
134 90bdb554 2019-04-11 stsp err = got_object_get_path(&path, id, repo);
136 d1cda826 2017-11-06 stsp return err;
137 a5b57ccf 2019-04-11 stsp *fd = open(path, O_RDONLY | O_NOFOLLOW);
138 d5003b79 2018-04-22 stsp if (*fd == -1) {
139 e82b1d81 2019-07-27 stsp err = got_error_from_errno2("open", path);
143 4558fcd4 2018-01-14 stsp free(path);
144 2090a03d 2018-09-09 stsp return err;
147 2090a03d 2018-09-09 stsp static const struct got_error *
148 a158c901 2018-12-23 stsp request_packed_object(struct got_object **obj, struct got_pack *pack, int idx,
149 a158c901 2018-12-23 stsp struct got_object_id *id)
151 a158c901 2018-12-23 stsp const struct got_error *err = NULL;
152 a158c901 2018-12-23 stsp struct imsgbuf *ibuf = pack->privsep_child->ibuf;
154 a158c901 2018-12-23 stsp err = got_privsep_send_packed_obj_req(ibuf, idx, id);
156 a158c901 2018-12-23 stsp return err;
158 a158c901 2018-12-23 stsp err = got_privsep_recv_obj(obj, ibuf);
160 a158c901 2018-12-23 stsp return err;
162 a158c901 2018-12-23 stsp memcpy(&(*obj)->id, id, sizeof((*obj)->id));
164 a158c901 2018-12-23 stsp return NULL;
167 59d1e4a0 2021-03-10 stsp static const struct got_error *
168 59d1e4a0 2021-03-10 stsp request_packed_object_raw(uint8_t **outbuf, off_t *size, size_t *hdrlen,
169 59d1e4a0 2021-03-10 stsp int outfd, struct got_pack *pack, int idx, struct got_object_id *id)
171 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
172 59d1e4a0 2021-03-10 stsp struct imsgbuf *ibuf = pack->privsep_child->ibuf;
173 59d1e4a0 2021-03-10 stsp int outfd_child;
174 59d1e4a0 2021-03-10 stsp int basefd, accumfd; /* temporary files for delta application */
176 59d1e4a0 2021-03-10 stsp basefd = got_opentempfd();
177 59d1e4a0 2021-03-10 stsp if (basefd == -1)
178 59d1e4a0 2021-03-10 stsp return got_error_from_errno("got_opentempfd");
180 59d1e4a0 2021-03-10 stsp accumfd = got_opentempfd();
181 59d1e4a0 2021-03-10 stsp if (accumfd == -1) {
182 59d1e4a0 2021-03-10 stsp close(basefd);
183 59d1e4a0 2021-03-10 stsp return got_error_from_errno("got_opentempfd");
186 59d1e4a0 2021-03-10 stsp outfd_child = dup(outfd);
187 59d1e4a0 2021-03-10 stsp if (outfd_child == -1) {
188 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("dup");
189 59d1e4a0 2021-03-10 stsp close(basefd);
190 59d1e4a0 2021-03-10 stsp close(accumfd);
191 59d1e4a0 2021-03-10 stsp return err;
194 59d1e4a0 2021-03-10 stsp err = got_privsep_send_packed_raw_obj_req(ibuf, idx, id);
196 59d1e4a0 2021-03-10 stsp close(basefd);
197 59d1e4a0 2021-03-10 stsp close(accumfd);
198 59d1e4a0 2021-03-10 stsp close(outfd_child);
199 59d1e4a0 2021-03-10 stsp return err;
202 59d1e4a0 2021-03-10 stsp err = got_privsep_send_raw_obj_outfd(ibuf, outfd_child);
204 59d1e4a0 2021-03-10 stsp close(basefd);
205 59d1e4a0 2021-03-10 stsp close(accumfd);
206 59d1e4a0 2021-03-10 stsp return err;
210 59d1e4a0 2021-03-10 stsp err = got_privsep_send_tmpfd(pack->privsep_child->ibuf,
213 59d1e4a0 2021-03-10 stsp close(accumfd);
214 59d1e4a0 2021-03-10 stsp return err;
217 59d1e4a0 2021-03-10 stsp err = got_privsep_send_tmpfd(pack->privsep_child->ibuf,
220 59d1e4a0 2021-03-10 stsp return err;
222 59d1e4a0 2021-03-10 stsp err = got_privsep_recv_raw_obj(outbuf, size, hdrlen, ibuf);
224 59d1e4a0 2021-03-10 stsp return err;
226 59d1e4a0 2021-03-10 stsp return NULL;
229 da506691 2019-05-22 stsp static void
230 b48e2ddb 2019-05-22 stsp set_max_datasize(void)
232 b48e2ddb 2019-05-22 stsp struct rlimit rl;
234 b48e2ddb 2019-05-22 stsp if (getrlimit(RLIMIT_DATA, &rl) != 0)
237 b48e2ddb 2019-05-22 stsp rl.rlim_cur = rl.rlim_max;
238 b48e2ddb 2019-05-22 stsp setrlimit(RLIMIT_DATA, &rl);
241 a158c901 2018-12-23 stsp static const struct got_error *
242 711fb6e8 2018-12-23 stsp start_pack_privsep_child(struct got_pack *pack, struct got_packidx *packidx)
244 a158c901 2018-12-23 stsp const struct got_error *err = NULL;
245 a158c901 2018-12-23 stsp int imsg_fds[2];
247 a158c901 2018-12-23 stsp struct imsgbuf *ibuf;
249 a158c901 2018-12-23 stsp ibuf = calloc(1, sizeof(*ibuf));
250 a158c901 2018-12-23 stsp if (ibuf == NULL)
251 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
253 a158c901 2018-12-23 stsp pack->privsep_child = calloc(1, sizeof(*pack->privsep_child));
254 a158c901 2018-12-23 stsp if (pack->privsep_child == NULL) {
255 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
256 a158c901 2018-12-23 stsp free(ibuf);
257 a158c901 2018-12-23 stsp return err;
260 a158c901 2018-12-23 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_fds) == -1) {
261 638f9024 2019-05-13 stsp err = got_error_from_errno("socketpair");
265 a158c901 2018-12-23 stsp pid = fork();
266 a158c901 2018-12-23 stsp if (pid == -1) {
267 638f9024 2019-05-13 stsp err = got_error_from_errno("fork");
269 a158c901 2018-12-23 stsp } else if (pid == 0) {
270 b48e2ddb 2019-05-22 stsp set_max_datasize();
271 aba9c984 2019-09-08 stsp got_privsep_exec_child(imsg_fds, GOT_PATH_PROG_READ_PACK,
272 a158c901 2018-12-23 stsp pack->path_packfile);
273 a158c901 2018-12-23 stsp /* not reached */
276 08578a35 2021-01-22 stsp if (close(imsg_fds[1]) == -1)
277 638f9024 2019-05-13 stsp return got_error_from_errno("close");
278 a158c901 2018-12-23 stsp pack->privsep_child->imsg_fd = imsg_fds[0];
279 a158c901 2018-12-23 stsp pack->privsep_child->pid = pid;
280 a158c901 2018-12-23 stsp imsg_init(ibuf, imsg_fds[0]);
281 a158c901 2018-12-23 stsp pack->privsep_child->ibuf = ibuf;
283 a158c901 2018-12-23 stsp err = got_privsep_init_pack_child(ibuf, pack, packidx);
285 a158c901 2018-12-23 stsp const struct got_error *child_err;
286 a158c901 2018-12-23 stsp err = got_privsep_send_stop(pack->privsep_child->imsg_fd);
287 a158c901 2018-12-23 stsp child_err = got_privsep_wait_for_child(
288 a158c901 2018-12-23 stsp pack->privsep_child->pid);
289 a158c901 2018-12-23 stsp if (child_err && err == NULL)
290 a158c901 2018-12-23 stsp err = child_err;
294 a158c901 2018-12-23 stsp free(ibuf);
295 a158c901 2018-12-23 stsp free(pack->privsep_child);
296 a158c901 2018-12-23 stsp pack->privsep_child = NULL;
298 a158c901 2018-12-23 stsp return err;
301 711fb6e8 2018-12-23 stsp static const struct got_error *
302 711fb6e8 2018-12-23 stsp read_packed_object_privsep(struct got_object **obj,
303 711fb6e8 2018-12-23 stsp struct got_repository *repo, struct got_pack *pack,
304 711fb6e8 2018-12-23 stsp struct got_packidx *packidx, int idx, struct got_object_id *id)
306 711fb6e8 2018-12-23 stsp const struct got_error *err = NULL;
308 59d1e4a0 2021-03-10 stsp if (pack->privsep_child == NULL) {
309 59d1e4a0 2021-03-10 stsp err = start_pack_privsep_child(pack, packidx);
311 59d1e4a0 2021-03-10 stsp return err;
314 711fb6e8 2018-12-23 stsp return request_packed_object(obj, pack, idx, id);
317 59d1e4a0 2021-03-10 stsp static const struct got_error *
318 59d1e4a0 2021-03-10 stsp read_packed_object_raw_privsep(uint8_t **outbuf, off_t *size, size_t *hdrlen,
319 59d1e4a0 2021-03-10 stsp int outfd, struct got_pack *pack, struct got_packidx *packidx, int idx,
320 59d1e4a0 2021-03-10 stsp struct got_object_id *id)
322 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
324 59d1e4a0 2021-03-10 stsp if (pack->privsep_child == NULL) {
325 59d1e4a0 2021-03-10 stsp err = start_pack_privsep_child(pack, packidx);
327 59d1e4a0 2021-03-10 stsp return err;
330 59d1e4a0 2021-03-10 stsp return request_packed_object_raw(outbuf, size, hdrlen, outfd, pack,
334 b3d68e7f 2021-07-03 stsp const struct got_error *
335 b3d68e7f 2021-07-03 stsp got_object_open_packed(struct got_object **obj, struct got_object_id *id,
336 2090a03d 2018-09-09 stsp struct got_repository *repo)
338 2090a03d 2018-09-09 stsp const struct got_error *err = NULL;
339 2090a03d 2018-09-09 stsp struct got_pack *pack = NULL;
340 2090a03d 2018-09-09 stsp struct got_packidx *packidx = NULL;
342 2090a03d 2018-09-09 stsp char *path_packfile;
344 2090a03d 2018-09-09 stsp err = got_repo_search_packidx(&packidx, &idx, repo, id);
346 2090a03d 2018-09-09 stsp return err;
348 aea75d87 2021-07-06 stsp err = got_packidx_get_packfile_path(&path_packfile,
349 aea75d87 2021-07-06 stsp packidx->path_packidx);
351 2090a03d 2018-09-09 stsp return err;
353 2090a03d 2018-09-09 stsp pack = got_repo_get_cached_pack(repo, path_packfile);
354 2090a03d 2018-09-09 stsp if (pack == NULL) {
355 2090a03d 2018-09-09 stsp err = got_repo_cache_pack(&pack, repo, path_packfile, packidx);
360 a158c901 2018-12-23 stsp err = read_packed_object_privsep(obj, repo, pack, packidx, idx, id);
364 2090a03d 2018-09-09 stsp free(path_packfile);
365 4558fcd4 2018-01-14 stsp return err;
368 9f2369b0 2018-12-24 stsp static const struct got_error *
369 d5c81d44 2021-07-08 stsp request_object(struct got_object **obj, struct got_object_id *id,
370 d5c81d44 2021-07-08 stsp struct got_repository *repo, int fd)
372 9f2369b0 2018-12-24 stsp const struct got_error *err = NULL;
373 9f2369b0 2018-12-24 stsp struct imsgbuf *ibuf;
375 9f2369b0 2018-12-24 stsp ibuf = repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_OBJECT].ibuf;
377 d5c81d44 2021-07-08 stsp err = got_privsep_send_obj_req(ibuf, fd, id);
379 9f2369b0 2018-12-24 stsp return err;
381 9f2369b0 2018-12-24 stsp return got_privsep_recv_obj(obj, ibuf);
384 9f2369b0 2018-12-24 stsp static const struct got_error *
385 59d1e4a0 2021-03-10 stsp request_raw_object(uint8_t **outbuf, off_t *size, size_t *hdrlen, int outfd,
386 d5c81d44 2021-07-08 stsp struct got_object_id *id, struct got_repository *repo, int infd)
388 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
389 59d1e4a0 2021-03-10 stsp struct imsgbuf *ibuf;
390 59d1e4a0 2021-03-10 stsp int outfd_child;
392 59d1e4a0 2021-03-10 stsp ibuf = repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_OBJECT].ibuf;
394 59d1e4a0 2021-03-10 stsp outfd_child = dup(outfd);
395 59d1e4a0 2021-03-10 stsp if (outfd_child == -1)
396 59d1e4a0 2021-03-10 stsp return got_error_from_errno("dup");
398 d5c81d44 2021-07-08 stsp err = got_privsep_send_raw_obj_req(ibuf, infd, id);
400 59d1e4a0 2021-03-10 stsp return err;
402 59d1e4a0 2021-03-10 stsp err = got_privsep_send_raw_obj_outfd(ibuf, outfd_child);
404 59d1e4a0 2021-03-10 stsp return err;
406 59d1e4a0 2021-03-10 stsp return got_privsep_recv_raw_obj(outbuf, size, hdrlen, ibuf);
409 59d1e4a0 2021-03-10 stsp static const struct got_error *
410 59d1e4a0 2021-03-10 stsp start_read_object_child(struct got_repository *repo)
412 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
413 9f2369b0 2018-12-24 stsp int imsg_fds[2];
415 9f2369b0 2018-12-24 stsp struct imsgbuf *ibuf;
417 9f2369b0 2018-12-24 stsp ibuf = calloc(1, sizeof(*ibuf));
418 9f2369b0 2018-12-24 stsp if (ibuf == NULL)
419 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
421 ddc7b220 2019-09-08 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_fds) == -1) {
422 ddc7b220 2019-09-08 stsp err = got_error_from_errno("socketpair");
423 ddc7b220 2019-09-08 stsp free(ibuf);
424 ddc7b220 2019-09-08 stsp return err;
427 9f2369b0 2018-12-24 stsp pid = fork();
428 ddc7b220 2019-09-08 stsp if (pid == -1) {
429 ddc7b220 2019-09-08 stsp err = got_error_from_errno("fork");
430 ddc7b220 2019-09-08 stsp free(ibuf);
431 ddc7b220 2019-09-08 stsp return err;
433 9f2369b0 2018-12-24 stsp else if (pid == 0) {
434 aba9c984 2019-09-08 stsp got_privsep_exec_child(imsg_fds, GOT_PATH_PROG_READ_OBJECT,
435 9f2369b0 2018-12-24 stsp repo->path);
436 9f2369b0 2018-12-24 stsp /* not reached */
439 08578a35 2021-01-22 stsp if (close(imsg_fds[1]) == -1) {
440 ddc7b220 2019-09-08 stsp err = got_error_from_errno("close");
441 ddc7b220 2019-09-08 stsp free(ibuf);
442 ddc7b220 2019-09-08 stsp return err;
445 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_OBJECT].imsg_fd =
446 9f2369b0 2018-12-24 stsp imsg_fds[0];
447 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_OBJECT].pid = pid;
448 9f2369b0 2018-12-24 stsp imsg_init(ibuf, imsg_fds[0]);
449 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_OBJECT].ibuf = ibuf;
451 59d1e4a0 2021-03-10 stsp return NULL;
454 b3d68e7f 2021-07-03 stsp const struct got_error *
455 b3d68e7f 2021-07-03 stsp got_object_read_header_privsep(struct got_object **obj,
456 d5c81d44 2021-07-08 stsp struct got_object_id *id, struct got_repository *repo, int obj_fd)
458 59d1e4a0 2021-03-10 stsp const struct got_error *err;
460 59d1e4a0 2021-03-10 stsp if (repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_OBJECT].imsg_fd != -1)
461 d5c81d44 2021-07-08 stsp return request_object(obj, id, repo, obj_fd);
463 59d1e4a0 2021-03-10 stsp err = start_read_object_child(repo);
465 7495ec13 2021-04-04 stsp close(obj_fd);
466 59d1e4a0 2021-03-10 stsp return err;
469 d5c81d44 2021-07-08 stsp return request_object(obj, id, repo, obj_fd);
472 59d1e4a0 2021-03-10 stsp static const struct got_error *
473 59d1e4a0 2021-03-10 stsp read_object_raw_privsep(uint8_t **outbuf, off_t *size, size_t *hdrlen,
474 d5c81d44 2021-07-08 stsp int outfd, struct got_object_id *id, struct got_repository *repo,
475 d5c81d44 2021-07-08 stsp int obj_fd)
477 59d1e4a0 2021-03-10 stsp const struct got_error *err;
479 59d1e4a0 2021-03-10 stsp if (repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_OBJECT].imsg_fd != -1)
480 d5c81d44 2021-07-08 stsp return request_raw_object(outbuf, size, hdrlen, outfd, id,
481 d5c81d44 2021-07-08 stsp repo, obj_fd);
483 59d1e4a0 2021-03-10 stsp err = start_read_object_child(repo);
485 59d1e4a0 2021-03-10 stsp return err;
487 d5c81d44 2021-07-08 stsp return request_raw_object(outbuf, size, hdrlen, outfd, id, repo,
491 4558fcd4 2018-01-14 stsp const struct got_error *
492 4558fcd4 2018-01-14 stsp got_object_open(struct got_object **obj, struct got_repository *repo,
493 4558fcd4 2018-01-14 stsp struct got_object_id *id)
495 6c00b545 2018-01-17 stsp const struct got_error *err = NULL;
498 7bb0daa1 2018-06-21 stsp *obj = got_repo_get_cached_object(repo, id);
499 7bb0daa1 2018-06-21 stsp if (*obj != NULL) {
500 7bb0daa1 2018-06-21 stsp (*obj)->refcnt++;
501 7bb0daa1 2018-06-21 stsp return NULL;
504 b3d68e7f 2021-07-03 stsp err = got_object_open_packed(obj, id, repo);
505 e82b1d81 2019-07-27 stsp if (err && err->code != GOT_ERR_NO_OBJ)
506 e82b1d81 2019-07-27 stsp return err;
507 e82b1d81 2019-07-27 stsp if (*obj) {
508 e82b1d81 2019-07-27 stsp (*obj)->refcnt++;
509 e82b1d81 2019-07-27 stsp return got_repo_cache_object(repo, id, *obj);
512 762d73f4 2021-04-10 stsp err = got_object_open_loose_fd(&fd, id, repo);
514 762d73f4 2021-04-10 stsp if (err->code == GOT_ERR_ERRNO && errno == ENOENT)
515 762d73f4 2021-04-10 stsp err = got_error_no_obj(id);
516 762d73f4 2021-04-10 stsp return err;
519 d5c81d44 2021-07-08 stsp err = got_object_read_header_privsep(obj, id, repo, fd);
521 4558fcd4 2018-01-14 stsp return err;
523 762d73f4 2021-04-10 stsp memcpy((*obj)->id.sha1, id->sha1, SHA1_DIGEST_LENGTH);
525 59790a32 2018-09-15 stsp (*obj)->refcnt++;
526 762d73f4 2021-04-10 stsp return got_repo_cache_object(repo, id, *obj);
529 59d1e4a0 2021-03-10 stsp const struct got_error *
530 59d1e4a0 2021-03-10 stsp got_object_raw_open(struct got_raw_object **obj, struct got_repository *repo,
531 59d1e4a0 2021-03-10 stsp struct got_object_id *id, size_t blocksize)
533 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
534 59d1e4a0 2021-03-10 stsp struct got_packidx *packidx = NULL;
536 59d1e4a0 2021-03-10 stsp uint8_t *outbuf = NULL;
537 59d1e4a0 2021-03-10 stsp int outfd = -1;
538 59d1e4a0 2021-03-10 stsp off_t size = 0;
539 59d1e4a0 2021-03-10 stsp size_t hdrlen = 0;
540 59d1e4a0 2021-03-10 stsp char *path_packfile = NULL;
542 59d1e4a0 2021-03-10 stsp *obj = NULL;
544 59d1e4a0 2021-03-10 stsp outfd = got_opentempfd();
545 59d1e4a0 2021-03-10 stsp if (outfd == -1)
546 59d1e4a0 2021-03-10 stsp return got_error_from_errno("got_opentempfd");
548 59d1e4a0 2021-03-10 stsp err = got_repo_search_packidx(&packidx, &idx, repo, id);
549 59d1e4a0 2021-03-10 stsp if (err == NULL) {
550 59d1e4a0 2021-03-10 stsp struct got_pack *pack = NULL;
552 aea75d87 2021-07-06 stsp err = got_packidx_get_packfile_path(&path_packfile,
553 aea75d87 2021-07-06 stsp packidx->path_packidx);
557 59d1e4a0 2021-03-10 stsp pack = got_repo_get_cached_pack(repo, path_packfile);
558 59d1e4a0 2021-03-10 stsp if (pack == NULL) {
559 59d1e4a0 2021-03-10 stsp err = got_repo_cache_pack(&pack, repo, path_packfile,
564 59d1e4a0 2021-03-10 stsp err = read_packed_object_raw_privsep(&outbuf, &size, &hdrlen,
565 59d1e4a0 2021-03-10 stsp outfd, pack, packidx, idx, id);
566 59d1e4a0 2021-03-10 stsp } else if (err->code == GOT_ERR_NO_OBJ) {
569 762d73f4 2021-04-10 stsp err = got_object_open_loose_fd(&fd, id, repo);
572 59d1e4a0 2021-03-10 stsp err = read_object_raw_privsep(&outbuf, &size, &hdrlen, outfd,
573 d5c81d44 2021-07-08 stsp id, repo, fd);
576 59d1e4a0 2021-03-10 stsp *obj = calloc(1, sizeof(**obj));
577 59d1e4a0 2021-03-10 stsp if (*obj == NULL) {
578 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("calloc");
582 59d1e4a0 2021-03-10 stsp (*obj)->read_buf = malloc(blocksize);
583 59d1e4a0 2021-03-10 stsp if ((*obj)->read_buf == NULL) {
584 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("malloc");
588 59d1e4a0 2021-03-10 stsp if (outbuf) {
589 59d1e4a0 2021-03-10 stsp if (close(outfd) == -1) {
590 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("close");
593 59d1e4a0 2021-03-10 stsp outfd = -1;
594 59d1e4a0 2021-03-10 stsp (*obj)->f = fmemopen(outbuf, hdrlen + size, "r");
595 59d1e4a0 2021-03-10 stsp if ((*obj)->f == NULL) {
596 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("fdopen");
599 59d1e4a0 2021-03-10 stsp (*obj)->data = outbuf;
601 59d1e4a0 2021-03-10 stsp struct stat sb;
602 59d1e4a0 2021-03-10 stsp if (fstat(outfd, &sb) == -1) {
603 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("fstat");
607 a8591711 2021-06-18 stsp if (sb.st_size != hdrlen + size) {
608 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
612 59d1e4a0 2021-03-10 stsp (*obj)->f = fdopen(outfd, "r");
613 59d1e4a0 2021-03-10 stsp if ((*obj)->f == NULL) {
614 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("fdopen");
617 59d1e4a0 2021-03-10 stsp outfd = -1;
618 59d1e4a0 2021-03-10 stsp (*obj)->data = NULL;
620 59d1e4a0 2021-03-10 stsp (*obj)->hdrlen = hdrlen;
621 59d1e4a0 2021-03-10 stsp (*obj)->size = size;
622 59d1e4a0 2021-03-10 stsp (*obj)->blocksize = blocksize;
624 59d1e4a0 2021-03-10 stsp free(path_packfile);
626 59d1e4a0 2021-03-10 stsp if (*obj) {
627 59d1e4a0 2021-03-10 stsp got_object_raw_close(*obj);
628 59d1e4a0 2021-03-10 stsp *obj = NULL;
630 59d1e4a0 2021-03-10 stsp if (outfd != -1)
631 59d1e4a0 2021-03-10 stsp close(outfd);
632 59d1e4a0 2021-03-10 stsp free(outbuf);
634 59d1e4a0 2021-03-10 stsp return err;
638 59d1e4a0 2021-03-10 stsp got_object_raw_rewind(struct got_raw_object *obj)
640 59d1e4a0 2021-03-10 stsp if (obj->f)
641 59d1e4a0 2021-03-10 stsp rewind(obj->f);
645 59d1e4a0 2021-03-10 stsp got_object_raw_get_hdrlen(struct got_raw_object *obj)
647 59d1e4a0 2021-03-10 stsp return obj->hdrlen;
650 59d1e4a0 2021-03-10 stsp const uint8_t *
651 59d1e4a0 2021-03-10 stsp got_object_raw_get_read_buf(struct got_raw_object *obj)
653 59d1e4a0 2021-03-10 stsp return obj->read_buf;
656 59d1e4a0 2021-03-10 stsp const struct got_error *
657 59d1e4a0 2021-03-10 stsp got_object_raw_read_block(size_t *outlenp, struct got_raw_object *obj)
661 59d1e4a0 2021-03-10 stsp n = fread(obj->read_buf, 1, obj->blocksize, obj->f);
662 59d1e4a0 2021-03-10 stsp if (n == 0 && ferror(obj->f))
663 59d1e4a0 2021-03-10 stsp return got_ferror(obj->f, GOT_ERR_IO);
664 59d1e4a0 2021-03-10 stsp *outlenp = n;
665 59d1e4a0 2021-03-10 stsp return NULL;
668 59d1e4a0 2021-03-10 stsp const struct got_error *
669 59d1e4a0 2021-03-10 stsp got_object_raw_close(struct got_raw_object *obj)
671 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
673 59d1e4a0 2021-03-10 stsp free(obj->read_buf);
674 59d1e4a0 2021-03-10 stsp if (obj->f != NULL && fclose(obj->f) == EOF && err == NULL)
675 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("fclose");
676 59d1e4a0 2021-03-10 stsp free(obj->data);
678 59d1e4a0 2021-03-10 stsp return err;
681 6dfa2fd3 2018-02-12 stsp const struct got_error *
682 6dfa2fd3 2018-02-12 stsp got_object_open_by_id_str(struct got_object **obj, struct got_repository *repo,
683 6dfa2fd3 2018-02-12 stsp const char *id_str)
685 6dfa2fd3 2018-02-12 stsp struct got_object_id id;
687 6dfa2fd3 2018-02-12 stsp if (!got_parse_sha1_digest(id.sha1, id_str))
688 6dd1ece6 2019-11-10 stsp return got_error_path(id_str, GOT_ERR_BAD_OBJ_ID_STR);
690 6dfa2fd3 2018-02-12 stsp return got_object_open(obj, repo, &id);
693 15a94983 2018-12-23 stsp const struct got_error *
694 15a94983 2018-12-23 stsp got_object_resolve_id_str(struct got_object_id **id,
695 15a94983 2018-12-23 stsp struct got_repository *repo, const char *id_str)
697 15a94983 2018-12-23 stsp const struct got_error *err = NULL;
698 15a94983 2018-12-23 stsp struct got_object *obj;
700 15a94983 2018-12-23 stsp err = got_object_open_by_id_str(&obj, repo, id_str);
702 15a94983 2018-12-23 stsp return err;
704 15a94983 2018-12-23 stsp *id = got_object_id_dup(got_object_get_id(obj));
705 15a94983 2018-12-23 stsp got_object_close(obj);
706 15a94983 2018-12-23 stsp if (*id == NULL)
707 638f9024 2019-05-13 stsp return got_error_from_errno("got_object_id_dup");
709 15a94983 2018-12-23 stsp return NULL;
712 434025f3 2018-09-16 stsp static const struct got_error *
713 a158c901 2018-12-23 stsp request_packed_commit(struct got_commit_object **commit, struct got_pack *pack,
714 a158c901 2018-12-23 stsp int pack_idx, struct got_object_id *id)
716 a158c901 2018-12-23 stsp const struct got_error *err = NULL;
718 a158c901 2018-12-23 stsp err = got_privsep_send_commit_req(pack->privsep_child->ibuf, -1, id,
721 a158c901 2018-12-23 stsp return err;
723 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_commit(commit, pack->privsep_child->ibuf);
725 ca6e02ac 2020-01-07 stsp return err;
727 ca6e02ac 2020-01-07 stsp (*commit)->flags |= GOT_COMMIT_FLAG_PACKED;
728 ca6e02ac 2020-01-07 stsp return NULL;
731 a158c901 2018-12-23 stsp static const struct got_error *
732 a158c901 2018-12-23 stsp read_packed_commit_privsep(struct got_commit_object **commit,
733 a158c901 2018-12-23 stsp struct got_pack *pack, struct got_packidx *packidx, int idx,
734 a158c901 2018-12-23 stsp struct got_object_id *id)
736 a158c901 2018-12-23 stsp const struct got_error *err = NULL;
738 a158c901 2018-12-23 stsp if (pack->privsep_child)
739 a158c901 2018-12-23 stsp return request_packed_commit(commit, pack, idx, id);
741 711fb6e8 2018-12-23 stsp err = start_pack_privsep_child(pack, packidx);
743 a158c901 2018-12-23 stsp return err;
745 711fb6e8 2018-12-23 stsp return request_packed_commit(commit, pack, idx, id);
748 9f2369b0 2018-12-24 stsp static const struct got_error *
749 9f2369b0 2018-12-24 stsp request_commit(struct got_commit_object **commit, struct got_repository *repo,
750 d5c81d44 2021-07-08 stsp int fd, struct got_object_id *id)
752 9f2369b0 2018-12-24 stsp const struct got_error *err = NULL;
753 9f2369b0 2018-12-24 stsp struct imsgbuf *ibuf;
755 9f2369b0 2018-12-24 stsp ibuf = repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_COMMIT].ibuf;
757 d5c81d44 2021-07-08 stsp err = got_privsep_send_commit_req(ibuf, fd, id, -1);
759 9f2369b0 2018-12-24 stsp return err;
761 9f2369b0 2018-12-24 stsp return got_privsep_recv_commit(commit, ibuf);
764 9f2369b0 2018-12-24 stsp static const struct got_error *
765 9f2369b0 2018-12-24 stsp read_commit_privsep(struct got_commit_object **commit, int obj_fd,
766 d5c81d44 2021-07-08 stsp struct got_object_id *id, struct got_repository *repo)
768 ddc7b220 2019-09-08 stsp const struct got_error *err;
769 9f2369b0 2018-12-24 stsp int imsg_fds[2];
771 9f2369b0 2018-12-24 stsp struct imsgbuf *ibuf;
773 9f2369b0 2018-12-24 stsp if (repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_COMMIT].imsg_fd != -1)
774 d5c81d44 2021-07-08 stsp return request_commit(commit, repo, obj_fd, id);
776 9f2369b0 2018-12-24 stsp ibuf = calloc(1, sizeof(*ibuf));
777 9f2369b0 2018-12-24 stsp if (ibuf == NULL)
778 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
780 ddc7b220 2019-09-08 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_fds) == -1) {
781 ddc7b220 2019-09-08 stsp err = got_error_from_errno("socketpair");
782 ddc7b220 2019-09-08 stsp free(ibuf);
783 ddc7b220 2019-09-08 stsp return err;
786 9f2369b0 2018-12-24 stsp pid = fork();
787 ddc7b220 2019-09-08 stsp if (pid == -1) {
788 ddc7b220 2019-09-08 stsp err = got_error_from_errno("fork");
789 ddc7b220 2019-09-08 stsp free(ibuf);
790 ddc7b220 2019-09-08 stsp return err;
792 9f2369b0 2018-12-24 stsp else if (pid == 0) {
793 aba9c984 2019-09-08 stsp got_privsep_exec_child(imsg_fds, GOT_PATH_PROG_READ_COMMIT,
794 9f2369b0 2018-12-24 stsp repo->path);
795 9f2369b0 2018-12-24 stsp /* not reached */
798 08578a35 2021-01-22 stsp if (close(imsg_fds[1]) == -1) {
799 ddc7b220 2019-09-08 stsp err = got_error_from_errno("close");
800 ddc7b220 2019-09-08 stsp free(ibuf);
801 ddc7b220 2019-09-08 stsp return err;
803 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_COMMIT].imsg_fd =
804 9f2369b0 2018-12-24 stsp imsg_fds[0];
805 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_COMMIT].pid = pid;
806 9f2369b0 2018-12-24 stsp imsg_init(ibuf, imsg_fds[0]);
807 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_COMMIT].ibuf = ibuf;
809 d5c81d44 2021-07-08 stsp return request_commit(commit, repo, obj_fd, id);
813 a158c901 2018-12-23 stsp static const struct got_error *
814 434025f3 2018-09-16 stsp open_commit(struct got_commit_object **commit,
815 1785f84a 2018-12-23 stsp struct got_repository *repo, struct got_object_id *id, int check_cache)
817 434025f3 2018-09-16 stsp const struct got_error *err = NULL;
818 1785f84a 2018-12-23 stsp struct got_packidx *packidx = NULL;
820 8d2c5ea3 2019-08-13 stsp char *path_packfile = NULL;
822 434025f3 2018-09-16 stsp if (check_cache) {
823 1785f84a 2018-12-23 stsp *commit = got_repo_get_cached_commit(repo, id);
824 434025f3 2018-09-16 stsp if (*commit != NULL) {
825 434025f3 2018-09-16 stsp (*commit)->refcnt++;
826 434025f3 2018-09-16 stsp return NULL;
829 434025f3 2018-09-16 stsp *commit = NULL;
831 e82b1d81 2019-07-27 stsp err = got_repo_search_packidx(&packidx, &idx, repo, id);
832 e82b1d81 2019-07-27 stsp if (err == NULL) {
833 1785f84a 2018-12-23 stsp struct got_pack *pack = NULL;
835 aea75d87 2021-07-06 stsp err = got_packidx_get_packfile_path(&path_packfile,
836 aea75d87 2021-07-06 stsp packidx->path_packidx);
838 1785f84a 2018-12-23 stsp return err;
840 1785f84a 2018-12-23 stsp pack = got_repo_get_cached_pack(repo, path_packfile);
841 434025f3 2018-09-16 stsp if (pack == NULL) {
842 1785f84a 2018-12-23 stsp err = got_repo_cache_pack(&pack, repo, path_packfile,
847 a158c901 2018-12-23 stsp err = read_packed_commit_privsep(commit, pack,
848 1785f84a 2018-12-23 stsp packidx, idx, id);
849 e82b1d81 2019-07-27 stsp } else if (err->code == GOT_ERR_NO_OBJ) {
852 762d73f4 2021-04-10 stsp err = got_object_open_loose_fd(&fd, id, repo);
854 e82b1d81 2019-07-27 stsp return err;
855 d5c81d44 2021-07-08 stsp err = read_commit_privsep(commit, fd, id, repo);
858 434025f3 2018-09-16 stsp if (err == NULL) {
859 434025f3 2018-09-16 stsp (*commit)->refcnt++;
860 1785f84a 2018-12-23 stsp err = got_repo_cache_commit(repo, id, *commit);
863 8d2c5ea3 2019-08-13 stsp free(path_packfile);
864 e32baab7 2018-11-05 stsp return err;
867 e32baab7 2018-11-05 stsp const struct got_error *
868 e32baab7 2018-11-05 stsp got_object_open_as_commit(struct got_commit_object **commit,
869 e32baab7 2018-11-05 stsp struct got_repository *repo, struct got_object_id *id)
871 e32baab7 2018-11-05 stsp *commit = got_repo_get_cached_commit(repo, id);
872 e32baab7 2018-11-05 stsp if (*commit != NULL) {
873 e32baab7 2018-11-05 stsp (*commit)->refcnt++;
874 e32baab7 2018-11-05 stsp return NULL;
877 1785f84a 2018-12-23 stsp return open_commit(commit, repo, id, 0);
880 e32baab7 2018-11-05 stsp const struct got_error *
881 e32baab7 2018-11-05 stsp got_object_commit_open(struct got_commit_object **commit,
882 e32baab7 2018-11-05 stsp struct got_repository *repo, struct got_object *obj)
884 1785f84a 2018-12-23 stsp return open_commit(commit, repo, got_object_get_id(obj), 1);
887 434025f3 2018-09-16 stsp const struct got_error *
888 dbc6a6b6 2018-07-12 stsp got_object_qid_alloc(struct got_object_qid **qid, struct got_object_id *id)
890 dbc6a6b6 2018-07-12 stsp const struct got_error *err = NULL;
892 dbc6a6b6 2018-07-12 stsp *qid = calloc(1, sizeof(**qid));
893 dbc6a6b6 2018-07-12 stsp if (*qid == NULL)
894 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
896 dbc6a6b6 2018-07-12 stsp (*qid)->id = got_object_id_dup(id);
897 dbc6a6b6 2018-07-12 stsp if ((*qid)->id == NULL) {
898 638f9024 2019-05-13 stsp err = got_error_from_errno("got_object_id_dup");
899 fa2f6902 2018-07-23 stsp got_object_qid_free(*qid);
900 dbc6a6b6 2018-07-12 stsp *qid = NULL;
901 dbc6a6b6 2018-07-12 stsp return err;
904 9ca9aafb 2021-06-18 stsp return NULL;
907 9ca9aafb 2021-06-18 stsp const struct got_error *
908 9ca9aafb 2021-06-18 stsp got_object_id_queue_copy(const struct got_object_id_queue *src,
909 9ca9aafb 2021-06-18 stsp struct got_object_id_queue *dest)
911 9ca9aafb 2021-06-18 stsp const struct got_error *err;
912 9ca9aafb 2021-06-18 stsp struct got_object_qid *qid;
914 dbdddfee 2021-06-23 naddy STAILQ_FOREACH(qid, src, entry) {
915 9ca9aafb 2021-06-18 stsp struct got_object_qid *new;
917 9ca9aafb 2021-06-18 stsp * Deep-copy the object ID only. Let the caller deal
918 9ca9aafb 2021-06-18 stsp * with setting up the new->data pointer if needed.
920 9ca9aafb 2021-06-18 stsp err = got_object_qid_alloc(&new, qid->id);
922 9ca9aafb 2021-06-18 stsp got_object_id_queue_free(dest);
923 9ca9aafb 2021-06-18 stsp return err;
925 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(dest, new, entry);
928 dbc6a6b6 2018-07-12 stsp return NULL;
931 a158c901 2018-12-23 stsp static const struct got_error *
932 13c729f7 2018-12-24 stsp request_packed_tree(struct got_tree_object **tree, struct got_pack *pack,
933 13c729f7 2018-12-24 stsp int pack_idx, struct got_object_id *id)
935 a158c901 2018-12-23 stsp const struct got_error *err = NULL;
937 13c729f7 2018-12-24 stsp err = got_privsep_send_tree_req(pack->privsep_child->ibuf, -1, id,
940 a158c901 2018-12-23 stsp return err;
942 a158c901 2018-12-23 stsp return got_privsep_recv_tree(tree, pack->privsep_child->ibuf);
945 71eb0e7f 2018-09-16 stsp static const struct got_error *
946 13c729f7 2018-12-24 stsp read_packed_tree_privsep(struct got_tree_object **tree,
947 13c729f7 2018-12-24 stsp struct got_pack *pack, struct got_packidx *packidx, int idx,
948 13c729f7 2018-12-24 stsp struct got_object_id *id)
950 13c729f7 2018-12-24 stsp const struct got_error *err = NULL;
952 13c729f7 2018-12-24 stsp if (pack->privsep_child)
953 13c729f7 2018-12-24 stsp return request_packed_tree(tree, pack, idx, id);
955 13c729f7 2018-12-24 stsp err = start_pack_privsep_child(pack, packidx);
957 13c729f7 2018-12-24 stsp return err;
959 13c729f7 2018-12-24 stsp return request_packed_tree(tree, pack, idx, id);
962 13c729f7 2018-12-24 stsp static const struct got_error *
963 9f2369b0 2018-12-24 stsp request_tree(struct got_tree_object **tree, struct got_repository *repo,
964 d5c81d44 2021-07-08 stsp int fd, struct got_object_id *id)
966 9f2369b0 2018-12-24 stsp const struct got_error *err = NULL;
967 9f2369b0 2018-12-24 stsp struct imsgbuf *ibuf;
969 9f2369b0 2018-12-24 stsp ibuf = repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TREE].ibuf;
971 d5c81d44 2021-07-08 stsp err = got_privsep_send_tree_req(ibuf, fd, id, -1);
973 9f2369b0 2018-12-24 stsp return err;
975 9f2369b0 2018-12-24 stsp return got_privsep_recv_tree(tree, ibuf);
978 9f2369b0 2018-12-24 stsp const struct got_error *
979 9f2369b0 2018-12-24 stsp read_tree_privsep(struct got_tree_object **tree, int obj_fd,
980 d5c81d44 2021-07-08 stsp struct got_object_id *id, struct got_repository *repo)
982 ddc7b220 2019-09-08 stsp const struct got_error *err;
983 9f2369b0 2018-12-24 stsp int imsg_fds[2];
985 9f2369b0 2018-12-24 stsp struct imsgbuf *ibuf;
987 9f2369b0 2018-12-24 stsp if (repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TREE].imsg_fd != -1)
988 d5c81d44 2021-07-08 stsp return request_tree(tree, repo, obj_fd, id);
990 9f2369b0 2018-12-24 stsp ibuf = calloc(1, sizeof(*ibuf));
991 9f2369b0 2018-12-24 stsp if (ibuf == NULL)
992 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
994 ddc7b220 2019-09-08 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_fds) == -1) {
995 ddc7b220 2019-09-08 stsp err = got_error_from_errno("socketpair");
996 ddc7b220 2019-09-08 stsp free(ibuf);
997 ddc7b220 2019-09-08 stsp return err;
1000 9f2369b0 2018-12-24 stsp pid = fork();
1001 ddc7b220 2019-09-08 stsp if (pid == -1) {
1002 ddc7b220 2019-09-08 stsp err = got_error_from_errno("fork");
1003 ddc7b220 2019-09-08 stsp free(ibuf);
1004 ddc7b220 2019-09-08 stsp return err;
1006 9f2369b0 2018-12-24 stsp else if (pid == 0) {
1007 aba9c984 2019-09-08 stsp got_privsep_exec_child(imsg_fds, GOT_PATH_PROG_READ_TREE,
1008 9f2369b0 2018-12-24 stsp repo->path);
1009 9f2369b0 2018-12-24 stsp /* not reached */
1012 08578a35 2021-01-22 stsp if (close(imsg_fds[1]) == -1) {
1013 ddc7b220 2019-09-08 stsp err = got_error_from_errno("close");
1014 ddc7b220 2019-09-08 stsp free(ibuf);
1015 ddc7b220 2019-09-08 stsp return err;
1017 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TREE].imsg_fd =
1018 9f2369b0 2018-12-24 stsp imsg_fds[0];
1019 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TREE].pid = pid;
1020 9f2369b0 2018-12-24 stsp imsg_init(ibuf, imsg_fds[0]);
1021 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TREE].ibuf = ibuf;
1024 d5c81d44 2021-07-08 stsp return request_tree(tree, repo, obj_fd, id);
1027 9f2369b0 2018-12-24 stsp static const struct got_error *
1028 13c729f7 2018-12-24 stsp open_tree(struct got_tree_object **tree, struct got_repository *repo,
1029 13c729f7 2018-12-24 stsp struct got_object_id *id, int check_cache)
1031 0ffeb3c2 2017-11-26 stsp const struct got_error *err = NULL;
1032 13c729f7 2018-12-24 stsp struct got_packidx *packidx = NULL;
1034 8d2c5ea3 2019-08-13 stsp char *path_packfile = NULL;
1036 71eb0e7f 2018-09-16 stsp if (check_cache) {
1037 13c729f7 2018-12-24 stsp *tree = got_repo_get_cached_tree(repo, id);
1038 71eb0e7f 2018-09-16 stsp if (*tree != NULL) {
1039 71eb0e7f 2018-09-16 stsp (*tree)->refcnt++;
1040 71eb0e7f 2018-09-16 stsp return NULL;
1043 71eb0e7f 2018-09-16 stsp *tree = NULL;
1045 e82b1d81 2019-07-27 stsp err = got_repo_search_packidx(&packidx, &idx, repo, id);
1046 e82b1d81 2019-07-27 stsp if (err == NULL) {
1047 13c729f7 2018-12-24 stsp struct got_pack *pack = NULL;
1049 aea75d87 2021-07-06 stsp err = got_packidx_get_packfile_path(&path_packfile,
1050 aea75d87 2021-07-06 stsp packidx->path_packidx);
1052 13c729f7 2018-12-24 stsp return err;
1054 13c729f7 2018-12-24 stsp pack = got_repo_get_cached_pack(repo, path_packfile);
1055 e7885405 2018-09-10 stsp if (pack == NULL) {
1056 e82b1d81 2019-07-27 stsp err = got_repo_cache_pack(&pack, repo, path_packfile,
1059 8d2c5ea3 2019-08-13 stsp goto done;
1061 13c729f7 2018-12-24 stsp err = read_packed_tree_privsep(tree, pack,
1062 13c729f7 2018-12-24 stsp packidx, idx, id);
1063 e82b1d81 2019-07-27 stsp } else if (err->code == GOT_ERR_NO_OBJ) {
1066 762d73f4 2021-04-10 stsp err = got_object_open_loose_fd(&fd, id, repo);
1068 e82b1d81 2019-07-27 stsp return err;
1069 d5c81d44 2021-07-08 stsp err = read_tree_privsep(tree, fd, id, repo);
1072 f6be5c30 2018-06-22 stsp if (err == NULL) {
1073 f6be5c30 2018-06-22 stsp (*tree)->refcnt++;
1074 13c729f7 2018-12-24 stsp err = got_repo_cache_tree(repo, id, *tree);
1077 8d2c5ea3 2019-08-13 stsp free(path_packfile);
1078 776d4d29 2018-06-17 stsp return err;
1081 776d4d29 2018-06-17 stsp const struct got_error *
1082 776d4d29 2018-06-17 stsp got_object_open_as_tree(struct got_tree_object **tree,
1083 776d4d29 2018-06-17 stsp struct got_repository *repo, struct got_object_id *id)
1085 e8eb494a 2018-09-16 stsp *tree = got_repo_get_cached_tree(repo, id);
1086 e8eb494a 2018-09-16 stsp if (*tree != NULL) {
1087 e8eb494a 2018-09-16 stsp (*tree)->refcnt++;
1088 e8eb494a 2018-09-16 stsp return NULL;
1091 13c729f7 2018-12-24 stsp return open_tree(tree, repo, id, 0);
1094 71eb0e7f 2018-09-16 stsp const struct got_error *
1095 71eb0e7f 2018-09-16 stsp got_object_tree_open(struct got_tree_object **tree,
1096 71eb0e7f 2018-09-16 stsp struct got_repository *repo, struct got_object *obj)
1098 13c729f7 2018-12-24 stsp return open_tree(tree, repo, got_object_get_id(obj), 1);
1102 56e0773d 2019-11-28 stsp got_object_tree_get_nentries(struct got_tree_object *tree)
1104 56e0773d 2019-11-28 stsp return tree->nentries;
1107 56e0773d 2019-11-28 stsp struct got_tree_entry *
1108 56e0773d 2019-11-28 stsp got_object_tree_get_first_entry(struct got_tree_object *tree)
1110 56e0773d 2019-11-28 stsp return got_object_tree_get_entry(tree, 0);
1113 56e0773d 2019-11-28 stsp struct got_tree_entry *
1114 56e0773d 2019-11-28 stsp got_object_tree_get_last_entry(struct got_tree_object *tree)
1116 56e0773d 2019-11-28 stsp return got_object_tree_get_entry(tree, tree->nentries - 1);
1119 56e0773d 2019-11-28 stsp struct got_tree_entry *
1120 56e0773d 2019-11-28 stsp got_object_tree_get_entry(struct got_tree_object *tree, int i)
1122 56e0773d 2019-11-28 stsp if (i < 0 || i >= tree->nentries)
1123 56e0773d 2019-11-28 stsp return NULL;
1124 56e0773d 2019-11-28 stsp return &tree->entries[i];
1128 56e0773d 2019-11-28 stsp got_tree_entry_get_mode(struct got_tree_entry *te)
1130 56e0773d 2019-11-28 stsp return te->mode;
1133 56e0773d 2019-11-28 stsp const char *
1134 56e0773d 2019-11-28 stsp got_tree_entry_get_name(struct got_tree_entry *te)
1136 56e0773d 2019-11-28 stsp return &te->name[0];
1139 56e0773d 2019-11-28 stsp struct got_object_id *
1140 56e0773d 2019-11-28 stsp got_tree_entry_get_id(struct got_tree_entry *te)
1142 56e0773d 2019-11-28 stsp return &te->id;
1145 0d6c6ee3 2020-05-20 stsp const struct got_error *
1146 af57b12a 2020-07-23 stsp got_object_blob_read_to_str(char **s, struct got_blob_object *blob)
1148 0d6c6ee3 2020-05-20 stsp const struct got_error *err = NULL;
1149 32596e16 2020-07-23 stsp size_t len, totlen, hdrlen, offset;
1151 aa092692 2020-07-23 stsp *s = NULL;
1153 659dc16e 2020-07-23 stsp hdrlen = got_object_blob_get_hdrlen(blob);
1154 659dc16e 2020-07-23 stsp totlen = 0;
1155 32596e16 2020-07-23 stsp offset = 0;
1159 659dc16e 2020-07-23 stsp err = got_object_blob_read_block(&len, blob);
1161 af57b12a 2020-07-23 stsp return err;
1163 659dc16e 2020-07-23 stsp if (len == 0)
1166 659dc16e 2020-07-23 stsp totlen += len - hdrlen;
1167 af57b12a 2020-07-23 stsp p = realloc(*s, totlen + 1);
1168 659dc16e 2020-07-23 stsp if (p == NULL) {
1169 659dc16e 2020-07-23 stsp err = got_error_from_errno("realloc");
1171 af57b12a 2020-07-23 stsp *s = NULL;
1172 af57b12a 2020-07-23 stsp return err;
1175 659dc16e 2020-07-23 stsp /* Skip blob object header first time around. */
1176 af57b12a 2020-07-23 stsp memcpy(*s + offset,
1177 f8f7c882 2020-07-23 stsp got_object_blob_get_read_buf(blob) + hdrlen, len - hdrlen);
1178 659dc16e 2020-07-23 stsp hdrlen = 0;
1179 32596e16 2020-07-23 stsp offset = totlen;
1180 659dc16e 2020-07-23 stsp } while (len > 0);
1182 af57b12a 2020-07-23 stsp (*s)[totlen] = '\0';
1183 af57b12a 2020-07-23 stsp return NULL;
1186 af57b12a 2020-07-23 stsp const struct got_error *
1187 af57b12a 2020-07-23 stsp got_tree_entry_get_symlink_target(char **link_target, struct got_tree_entry *te,
1188 af57b12a 2020-07-23 stsp struct got_repository *repo)
1190 af57b12a 2020-07-23 stsp const struct got_error *err = NULL;
1191 af57b12a 2020-07-23 stsp struct got_blob_object *blob = NULL;
1193 af57b12a 2020-07-23 stsp *link_target = NULL;
1195 af57b12a 2020-07-23 stsp if (!got_object_tree_entry_is_symlink(te))
1196 af57b12a 2020-07-23 stsp return got_error(GOT_ERR_TREE_ENTRY_TYPE);
1198 af57b12a 2020-07-23 stsp err = got_object_open_as_blob(&blob, repo,
1199 af57b12a 2020-07-23 stsp got_tree_entry_get_id(te), PATH_MAX);
1201 af57b12a 2020-07-23 stsp return err;
1203 af57b12a 2020-07-23 stsp err = got_object_blob_read_to_str(link_target, blob);
1204 af57b12a 2020-07-23 stsp got_object_blob_close(blob);
1205 659dc16e 2020-07-23 stsp if (err) {
1206 659dc16e 2020-07-23 stsp free(*link_target);
1207 659dc16e 2020-07-23 stsp *link_target = NULL;
1209 0d6c6ee3 2020-05-20 stsp return err;
1213 56e0773d 2019-11-28 stsp got_tree_entry_get_index(struct got_tree_entry *te)
1215 56e0773d 2019-11-28 stsp return te->idx;
1218 56e0773d 2019-11-28 stsp struct got_tree_entry *
1219 56e0773d 2019-11-28 stsp got_tree_entry_get_next(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 56e0773d 2019-11-28 stsp struct got_tree_entry *
1226 56e0773d 2019-11-28 stsp got_tree_entry_get_prev(struct got_tree_object *tree,
1227 56e0773d 2019-11-28 stsp struct got_tree_entry *te)
1229 56e0773d 2019-11-28 stsp return got_object_tree_get_entry(tree, te->idx - 1);
1232 3840f4c9 2018-09-12 stsp static const struct got_error *
1233 ac544f8c 2019-01-13 stsp request_packed_blob(uint8_t **outbuf, size_t *size, size_t *hdrlen, int outfd,
1234 ebc55e2d 2018-12-24 stsp struct got_pack *pack, struct got_packidx *packidx, int idx,
1235 ebc55e2d 2018-12-24 stsp struct got_object_id *id)
1237 3840f4c9 2018-09-12 stsp const struct got_error *err = NULL;
1238 3840f4c9 2018-09-12 stsp int outfd_child;
1239 3840f4c9 2018-09-12 stsp int basefd, accumfd; /* temporary files for delta application */
1241 3840f4c9 2018-09-12 stsp basefd = got_opentempfd();
1242 3840f4c9 2018-09-12 stsp if (basefd == -1)
1243 638f9024 2019-05-13 stsp return got_error_from_errno("got_opentempfd");
1244 3840f4c9 2018-09-12 stsp accumfd = got_opentempfd();
1245 3840f4c9 2018-09-12 stsp if (accumfd == -1)
1246 638f9024 2019-05-13 stsp return got_error_from_errno("got_opentempfd");
1248 3840f4c9 2018-09-12 stsp outfd_child = dup(outfd);
1249 3840f4c9 2018-09-12 stsp if (outfd_child == -1)
1250 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1252 ebc55e2d 2018-12-24 stsp err = got_privsep_send_blob_req(pack->privsep_child->ibuf, -1, id, idx);
1254 3840f4c9 2018-09-12 stsp return err;
1256 3840f4c9 2018-09-12 stsp err = got_privsep_send_blob_outfd(pack->privsep_child->ibuf,
1257 3840f4c9 2018-09-12 stsp outfd_child);
1258 3840f4c9 2018-09-12 stsp if (err) {
1259 41496140 2019-02-21 stsp close(basefd);
1260 41496140 2019-02-21 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,
1266 3840f4c9 2018-09-12 stsp if (err) {
1267 3840f4c9 2018-09-12 stsp close(accumfd);
1268 3840f4c9 2018-09-12 stsp return err;
1271 3840f4c9 2018-09-12 stsp err = got_privsep_send_tmpfd(pack->privsep_child->ibuf,
1274 3840f4c9 2018-09-12 stsp return err;
1276 ac544f8c 2019-01-13 stsp err = got_privsep_recv_blob(outbuf, size, hdrlen,
1277 ebc55e2d 2018-12-24 stsp pack->privsep_child->ibuf);
1279 3840f4c9 2018-09-12 stsp return err;
1281 3840f4c9 2018-09-12 stsp if (lseek(outfd, SEEK_SET, 0) == -1)
1282 638f9024 2019-05-13 stsp err = got_error_from_errno("lseek");
1284 3840f4c9 2018-09-12 stsp return err;
1287 ebc55e2d 2018-12-24 stsp static const struct got_error *
1288 ac544f8c 2019-01-13 stsp read_packed_blob_privsep(uint8_t **outbuf, size_t *size, size_t *hdrlen,
1289 ac544f8c 2019-01-13 stsp int outfd, struct got_pack *pack, struct got_packidx *packidx, int idx,
1290 ebc55e2d 2018-12-24 stsp struct got_object_id *id)
1292 68482ea3 2017-11-27 stsp const struct got_error *err = NULL;
1294 ebc55e2d 2018-12-24 stsp if (pack->privsep_child == NULL) {
1295 ebc55e2d 2018-12-24 stsp err = start_pack_privsep_child(pack, packidx);
1297 ebc55e2d 2018-12-24 stsp return err;
1300 ac544f8c 2019-01-13 stsp return request_packed_blob(outbuf, size, hdrlen, outfd, pack, packidx,
1304 9f2369b0 2018-12-24 stsp static const struct got_error *
1305 ac544f8c 2019-01-13 stsp request_blob(uint8_t **outbuf, size_t *size, size_t *hdrlen, int outfd,
1306 d5c81d44 2021-07-08 stsp int infd, struct got_object_id *id, struct imsgbuf *ibuf)
1308 9f2369b0 2018-12-24 stsp const struct got_error *err = NULL;
1309 9f2369b0 2018-12-24 stsp int outfd_child;
1311 9f2369b0 2018-12-24 stsp outfd_child = dup(outfd);
1312 9f2369b0 2018-12-24 stsp if (outfd_child == -1)
1313 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1315 d5c81d44 2021-07-08 stsp err = got_privsep_send_blob_req(ibuf, infd, id, -1);
1317 9f2369b0 2018-12-24 stsp return err;
1319 9f2369b0 2018-12-24 stsp err = got_privsep_send_blob_outfd(ibuf, outfd_child);
1321 9f2369b0 2018-12-24 stsp return err;
1323 ac544f8c 2019-01-13 stsp err = got_privsep_recv_blob(outbuf, size, hdrlen, ibuf);
1325 9f2369b0 2018-12-24 stsp return err;
1327 9f2369b0 2018-12-24 stsp if (lseek(outfd, SEEK_SET, 0) == -1)
1328 638f9024 2019-05-13 stsp return got_error_from_errno("lseek");
1330 9f2369b0 2018-12-24 stsp return err;
1333 9f2369b0 2018-12-24 stsp static const struct got_error *
1334 ac544f8c 2019-01-13 stsp read_blob_privsep(uint8_t **outbuf, size_t *size, size_t *hdrlen,
1335 d5c81d44 2021-07-08 stsp int outfd, int infd, struct got_object_id *id, struct got_repository *repo)
1337 ddc7b220 2019-09-08 stsp const struct got_error *err;
1338 9f2369b0 2018-12-24 stsp int imsg_fds[2];
1339 9f2369b0 2018-12-24 stsp pid_t pid;
1340 9f2369b0 2018-12-24 stsp struct imsgbuf *ibuf;
1342 9f2369b0 2018-12-24 stsp if (repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_BLOB].imsg_fd != -1) {
1343 9f2369b0 2018-12-24 stsp ibuf = repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_BLOB].ibuf;
1344 d5c81d44 2021-07-08 stsp return request_blob(outbuf, size, hdrlen, outfd, infd, id,
1348 9f2369b0 2018-12-24 stsp ibuf = calloc(1, sizeof(*ibuf));
1349 9f2369b0 2018-12-24 stsp if (ibuf == NULL)
1350 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
1352 ddc7b220 2019-09-08 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_fds) == -1) {
1353 ddc7b220 2019-09-08 stsp err = got_error_from_errno("socketpair");
1354 ddc7b220 2019-09-08 stsp free(ibuf);
1355 ddc7b220 2019-09-08 stsp return err;
1358 9f2369b0 2018-12-24 stsp pid = fork();
1359 ddc7b220 2019-09-08 stsp if (pid == -1) {
1360 ddc7b220 2019-09-08 stsp err = got_error_from_errno("fork");
1361 ddc7b220 2019-09-08 stsp free(ibuf);
1362 ddc7b220 2019-09-08 stsp return err;
1364 9f2369b0 2018-12-24 stsp else if (pid == 0) {
1365 aba9c984 2019-09-08 stsp got_privsep_exec_child(imsg_fds, GOT_PATH_PROG_READ_BLOB,
1366 9f2369b0 2018-12-24 stsp repo->path);
1367 9f2369b0 2018-12-24 stsp /* not reached */
1370 08578a35 2021-01-22 stsp if (close(imsg_fds[1]) == -1) {
1371 ddc7b220 2019-09-08 stsp err = got_error_from_errno("close");
1372 ddc7b220 2019-09-08 stsp free(ibuf);
1373 ddc7b220 2019-09-08 stsp return err;
1375 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_BLOB].imsg_fd =
1376 9f2369b0 2018-12-24 stsp imsg_fds[0];
1377 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_BLOB].pid = pid;
1378 9f2369b0 2018-12-24 stsp imsg_init(ibuf, imsg_fds[0]);
1379 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_BLOB].ibuf = ibuf;
1381 d5c81d44 2021-07-08 stsp return request_blob(outbuf, size, hdrlen, outfd, infd, id, ibuf);
1384 ebc55e2d 2018-12-24 stsp static const struct got_error *
1385 ebc55e2d 2018-12-24 stsp open_blob(struct got_blob_object **blob, struct got_repository *repo,
1386 ebc55e2d 2018-12-24 stsp struct got_object_id *id, size_t blocksize)
1388 ebc55e2d 2018-12-24 stsp const struct got_error *err = NULL;
1389 ebc55e2d 2018-12-24 stsp struct got_packidx *packidx = NULL;
1391 8d2c5ea3 2019-08-13 stsp char *path_packfile = NULL;
1392 ac544f8c 2019-01-13 stsp uint8_t *outbuf;
1393 e82b1d81 2019-07-27 stsp int outfd;
1394 ebc55e2d 2018-12-24 stsp size_t size, hdrlen;
1395 ebc55e2d 2018-12-24 stsp struct stat sb;
1397 68482ea3 2017-11-27 stsp *blob = calloc(1, sizeof(**blob));
1398 4558fcd4 2018-01-14 stsp if (*blob == NULL)
1399 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
1401 55da3778 2018-09-10 stsp outfd = got_opentempfd();
1402 55da3778 2018-09-10 stsp if (outfd == -1)
1403 638f9024 2019-05-13 stsp return got_error_from_errno("got_opentempfd");
1405 062ebb78 2018-07-12 stsp (*blob)->read_buf = malloc(blocksize);
1406 15c8b0e6 2018-04-24 stsp if ((*blob)->read_buf == NULL) {
1407 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1408 c7254d79 2018-04-24 stsp goto done;
1411 e82b1d81 2019-07-27 stsp err = got_repo_search_packidx(&packidx, &idx, repo, id);
1412 e82b1d81 2019-07-27 stsp if (err == NULL) {
1413 ebc55e2d 2018-12-24 stsp struct got_pack *pack = NULL;
1415 aea75d87 2021-07-06 stsp err = got_packidx_get_packfile_path(&path_packfile,
1416 aea75d87 2021-07-06 stsp packidx->path_packidx);
1418 ebc55e2d 2018-12-24 stsp goto done;
1420 ebc55e2d 2018-12-24 stsp pack = got_repo_get_cached_pack(repo, path_packfile);
1421 55da3778 2018-09-10 stsp if (pack == NULL) {
1422 ebc55e2d 2018-12-24 stsp err = got_repo_cache_pack(&pack, repo, path_packfile,
1425 55da3778 2018-09-10 stsp goto done;
1427 ac544f8c 2019-01-13 stsp err = read_packed_blob_privsep(&outbuf, &size, &hdrlen, outfd,
1428 ac544f8c 2019-01-13 stsp pack, packidx, idx, id);
1429 e82b1d81 2019-07-27 stsp } else if (err->code == GOT_ERR_NO_OBJ) {
1432 762d73f4 2021-04-10 stsp err = got_object_open_loose_fd(&infd, id, repo);
1434 e82b1d81 2019-07-27 stsp goto done;
1435 ac544f8c 2019-01-13 stsp err = read_blob_privsep(&outbuf, &size, &hdrlen, outfd, infd,
1436 d5c81d44 2021-07-08 stsp id, repo);
1439 55da3778 2018-09-10 stsp goto done;
1441 de060dff 2018-12-24 stsp if (hdrlen > size) {
1442 ebc55e2d 2018-12-24 stsp err = got_error(GOT_ERR_BAD_OBJ_HDR);
1443 ebc55e2d 2018-12-24 stsp goto done;
1446 ac544f8c 2019-01-13 stsp if (outbuf) {
1447 08578a35 2021-01-22 stsp if (close(outfd) == -1 && err == NULL)
1448 638f9024 2019-05-13 stsp err = got_error_from_errno("close");
1449 ac544f8c 2019-01-13 stsp outfd = -1;
1450 ac544f8c 2019-01-13 stsp (*blob)->f = fmemopen(outbuf, size, "rb");
1451 ac544f8c 2019-01-13 stsp if ((*blob)->f == NULL) {
1452 638f9024 2019-05-13 stsp err = got_error_from_errno("fmemopen");
1453 ac544f8c 2019-01-13 stsp free(outbuf);
1454 ac544f8c 2019-01-13 stsp goto done;
1456 ac544f8c 2019-01-13 stsp (*blob)->data = outbuf;
1458 ac544f8c 2019-01-13 stsp if (fstat(outfd, &sb) == -1) {
1459 638f9024 2019-05-13 stsp err = got_error_from_errno("fstat");
1460 ac544f8c 2019-01-13 stsp goto done;
1463 ac544f8c 2019-01-13 stsp if (sb.st_size != size) {
1464 ac544f8c 2019-01-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1465 ac544f8c 2019-01-13 stsp goto done;
1468 ac544f8c 2019-01-13 stsp (*blob)->f = fdopen(outfd, "rb");
1469 ac544f8c 2019-01-13 stsp if ((*blob)->f == NULL) {
1470 638f9024 2019-05-13 stsp err = got_error_from_errno("fdopen");
1471 ac544f8c 2019-01-13 stsp close(outfd);
1472 ac544f8c 2019-01-13 stsp outfd = -1;
1473 ac544f8c 2019-01-13 stsp goto done;
1477 ebc55e2d 2018-12-24 stsp (*blob)->hdrlen = hdrlen;
1478 eb651edf 2018-02-11 stsp (*blob)->blocksize = blocksize;
1479 ebc55e2d 2018-12-24 stsp memcpy(&(*blob)->id.sha1, id->sha1, SHA1_DIGEST_LENGTH);
1482 8d2c5ea3 2019-08-13 stsp free(path_packfile);
1483 55da3778 2018-09-10 stsp if (err) {
1484 55da3778 2018-09-10 stsp if (*blob) {
1485 7baf5860 2019-03-19 stsp got_object_blob_close(*blob);
1486 55da3778 2018-09-10 stsp *blob = NULL;
1487 55da3778 2018-09-10 stsp } else if (outfd != -1)
1488 55da3778 2018-09-10 stsp close(outfd);
1490 a19581a2 2018-06-21 stsp return err;
1493 a19581a2 2018-06-21 stsp const struct got_error *
1494 a19581a2 2018-06-21 stsp got_object_open_as_blob(struct got_blob_object **blob,
1495 a19581a2 2018-06-21 stsp struct got_repository *repo, struct got_object_id *id,
1496 a19581a2 2018-06-21 stsp size_t blocksize)
1498 ebc55e2d 2018-12-24 stsp return open_blob(blob, repo, id, blocksize);
1501 ebc55e2d 2018-12-24 stsp const struct got_error *
1502 ebc55e2d 2018-12-24 stsp got_object_blob_open(struct got_blob_object **blob,
1503 ebc55e2d 2018-12-24 stsp struct got_repository *repo, struct got_object *obj, size_t blocksize)
1505 ebc55e2d 2018-12-24 stsp return open_blob(blob, repo, got_object_get_id(obj), blocksize);
1508 fb43ecf1 2019-02-11 stsp const struct got_error *
1509 68482ea3 2017-11-27 stsp got_object_blob_close(struct got_blob_object *blob)
1511 fb43ecf1 2019-02-11 stsp const struct got_error *err = NULL;
1512 15c8b0e6 2018-04-24 stsp free(blob->read_buf);
1513 56b63ca4 2021-01-22 stsp if (blob->f && fclose(blob->f) == EOF)
1514 638f9024 2019-05-13 stsp err = got_error_from_errno("fclose");
1515 ac544f8c 2019-01-13 stsp free(blob->data);
1516 68482ea3 2017-11-27 stsp free(blob);
1517 fb43ecf1 2019-02-11 stsp return err;
1521 8ba819a3 2020-07-23 stsp got_object_blob_rewind(struct got_blob_object *blob)
1523 8ba819a3 2020-07-23 stsp if (blob->f)
1524 8ba819a3 2020-07-23 stsp rewind(blob->f);
1528 f934cf2c 2018-02-12 stsp got_object_blob_id_str(struct got_blob_object *blob, char *buf, size_t size)
1530 f934cf2c 2018-02-12 stsp return got_sha1_digest_to_str(blob->id.sha1, buf, size);
1534 f934cf2c 2018-02-12 stsp got_object_blob_get_hdrlen(struct got_blob_object *blob)
1536 f934cf2c 2018-02-12 stsp return blob->hdrlen;
1539 f934cf2c 2018-02-12 stsp const uint8_t *
1540 f934cf2c 2018-02-12 stsp got_object_blob_get_read_buf(struct got_blob_object *blob)
1542 f934cf2c 2018-02-12 stsp return blob->read_buf;
1545 68482ea3 2017-11-27 stsp const struct got_error *
1546 eb651edf 2018-02-11 stsp got_object_blob_read_block(size_t *outlenp, struct got_blob_object *blob)
1550 eb651edf 2018-02-11 stsp n = fread(blob->read_buf, 1, blob->blocksize, blob->f);
1551 eb651edf 2018-02-11 stsp if (n == 0 && ferror(blob->f))
1552 eb651edf 2018-02-11 stsp return got_ferror(blob->f, GOT_ERR_IO);
1553 eb651edf 2018-02-11 stsp *outlenp = n;
1554 35e9ba5d 2018-06-21 stsp return NULL;
1557 35e9ba5d 2018-06-21 stsp const struct got_error *
1558 be659d10 2020-11-18 stsp got_object_blob_dump_to_file(off_t *filesize, int *nlines,
1559 6c4c42e0 2019-06-24 stsp off_t **line_offsets, FILE *outfile, struct got_blob_object *blob)
1561 35e9ba5d 2018-06-21 stsp const struct got_error *err = NULL;
1562 b6752625 2018-12-24 stsp size_t n, len, hdrlen;
1563 84451b3e 2018-07-10 stsp const uint8_t *buf;
1565 c33ebc60 2020-11-18 stsp const int alloc_chunksz = 512;
1566 c33ebc60 2020-11-18 stsp size_t nalloc = 0;
1567 f595d9bd 2019-08-14 stsp off_t off = 0, total_len = 0;
1569 6c4c42e0 2019-06-24 stsp if (line_offsets)
1570 6c4c42e0 2019-06-24 stsp *line_offsets = NULL;
1571 f595d9bd 2019-08-14 stsp if (filesize)
1572 f595d9bd 2019-08-14 stsp *filesize = 0;
1573 84451b3e 2018-07-10 stsp if (nlines)
1574 84451b3e 2018-07-10 stsp *nlines = 0;
1576 35e9ba5d 2018-06-21 stsp hdrlen = got_object_blob_get_hdrlen(blob);
1578 35e9ba5d 2018-06-21 stsp err = got_object_blob_read_block(&len, blob);
1580 35e9ba5d 2018-06-21 stsp return err;
1581 35e9ba5d 2018-06-21 stsp if (len == 0)
1583 84451b3e 2018-07-10 stsp buf = got_object_blob_get_read_buf(blob);
1584 b02560ec 2019-08-19 stsp i = hdrlen;
1585 f1cbc3bc 2020-11-18 stsp if (nlines) {
1586 f1cbc3bc 2020-11-18 stsp if (line_offsets && *line_offsets == NULL) {
1587 78695fb7 2019-08-12 stsp /* Have some data but perhaps no '\n'. */
1588 78695fb7 2019-08-12 stsp *nlines = 1;
1589 c33ebc60 2020-11-18 stsp nalloc = alloc_chunksz;
1590 c33ebc60 2020-11-18 stsp *line_offsets = calloc(nalloc,
1591 c33ebc60 2020-11-18 stsp sizeof(**line_offsets));
1592 78695fb7 2019-08-12 stsp if (*line_offsets == NULL)
1593 845785d4 2020-02-02 tracey return got_error_from_errno("calloc");
1595 b02560ec 2019-08-19 stsp /* Skip forward over end of first line. */
1596 b02560ec 2019-08-19 stsp while (i < len) {
1597 b02560ec 2019-08-19 stsp if (buf[i] == '\n')
1602 b02560ec 2019-08-19 stsp /* Scan '\n' offsets in remaining chunk of data. */
1603 b02560ec 2019-08-19 stsp while (i < len) {
1604 b02560ec 2019-08-19 stsp if (buf[i] != '\n') {
1608 f595d9bd 2019-08-14 stsp (*nlines)++;
1609 c33ebc60 2020-11-18 stsp if (line_offsets && nalloc < *nlines) {
1610 c33ebc60 2020-11-18 stsp size_t n = *nlines + alloc_chunksz;
1611 78695fb7 2019-08-12 stsp off_t *o = recallocarray(*line_offsets,
1612 c33ebc60 2020-11-18 stsp nalloc, n, sizeof(**line_offsets));
1613 78695fb7 2019-08-12 stsp if (o == NULL) {
1614 78695fb7 2019-08-12 stsp free(*line_offsets);
1615 78695fb7 2019-08-12 stsp *line_offsets = NULL;
1616 78695fb7 2019-08-12 stsp return got_error_from_errno(
1617 78695fb7 2019-08-12 stsp "recallocarray");
1619 78695fb7 2019-08-12 stsp *line_offsets = o;
1620 c33ebc60 2020-11-18 stsp nalloc = n;
1622 f1cbc3bc 2020-11-18 stsp if (line_offsets) {
1623 f1cbc3bc 2020-11-18 stsp off = total_len + i - hdrlen + 1;
1624 f1cbc3bc 2020-11-18 stsp (*line_offsets)[*nlines - 1] = off;
1629 35e9ba5d 2018-06-21 stsp /* Skip blob object header first time around. */
1630 454a6b59 2018-12-24 stsp n = fwrite(buf + hdrlen, 1, len - hdrlen, outfile);
1631 b6752625 2018-12-24 stsp if (n != len - hdrlen)
1632 b6752625 2018-12-24 stsp return got_ferror(outfile, GOT_ERR_IO);
1633 f595d9bd 2019-08-14 stsp total_len += len - hdrlen;
1634 35e9ba5d 2018-06-21 stsp hdrlen = 0;
1635 35e9ba5d 2018-06-21 stsp } while (len != 0);
1637 cbe7f848 2019-02-11 stsp if (fflush(outfile) != 0)
1638 638f9024 2019-05-13 stsp return got_error_from_errno("fflush");
1639 35e9ba5d 2018-06-21 stsp rewind(outfile);
1641 f595d9bd 2019-08-14 stsp if (filesize)
1642 f595d9bd 2019-08-14 stsp *filesize = total_len;
1644 776d4d29 2018-06-17 stsp return NULL;
1647 f4a881ce 2018-11-17 stsp static const struct got_error *
1648 268f7291 2018-12-24 stsp request_packed_tag(struct got_tag_object **tag, struct got_pack *pack,
1649 268f7291 2018-12-24 stsp int pack_idx, struct got_object_id *id)
1651 a158c901 2018-12-23 stsp const struct got_error *err = NULL;
1653 268f7291 2018-12-24 stsp err = got_privsep_send_tag_req(pack->privsep_child->ibuf, -1, id,
1654 268f7291 2018-12-24 stsp pack_idx);
1656 a158c901 2018-12-23 stsp return err;
1658 a158c901 2018-12-23 stsp return got_privsep_recv_tag(tag, pack->privsep_child->ibuf);
1661 268f7291 2018-12-24 stsp static const struct got_error *
1662 268f7291 2018-12-24 stsp read_packed_tag_privsep(struct got_tag_object **tag,
1663 268f7291 2018-12-24 stsp struct got_pack *pack, struct got_packidx *packidx, int idx,
1664 268f7291 2018-12-24 stsp struct got_object_id *id)
1666 268f7291 2018-12-24 stsp const struct got_error *err = NULL;
1668 268f7291 2018-12-24 stsp if (pack->privsep_child)
1669 268f7291 2018-12-24 stsp return request_packed_tag(tag, pack, idx, id);
1671 268f7291 2018-12-24 stsp err = start_pack_privsep_child(pack, packidx);
1673 268f7291 2018-12-24 stsp return err;
1675 268f7291 2018-12-24 stsp return request_packed_tag(tag, pack, idx, id);
1678 9f2369b0 2018-12-24 stsp static const struct got_error *
1679 9f2369b0 2018-12-24 stsp request_tag(struct got_tag_object **tag, struct got_repository *repo,
1680 d5c81d44 2021-07-08 stsp int fd, struct got_object_id *id)
1682 9f2369b0 2018-12-24 stsp const struct got_error *err = NULL;
1683 9f2369b0 2018-12-24 stsp struct imsgbuf *ibuf;
1685 9f2369b0 2018-12-24 stsp ibuf = repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TAG].ibuf;
1687 d5c81d44 2021-07-08 stsp err = got_privsep_send_tag_req(ibuf, fd, id, -1);
1689 9f2369b0 2018-12-24 stsp return err;
1691 9f2369b0 2018-12-24 stsp return got_privsep_recv_tag(tag, ibuf);
1694 9f2369b0 2018-12-24 stsp static const struct got_error *
1695 9f2369b0 2018-12-24 stsp read_tag_privsep(struct got_tag_object **tag, int obj_fd,
1696 d5c81d44 2021-07-08 stsp struct got_object_id *id, struct got_repository *repo)
1698 ddc7b220 2019-09-08 stsp const struct got_error *err;
1699 9f2369b0 2018-12-24 stsp int imsg_fds[2];
1700 9f2369b0 2018-12-24 stsp pid_t pid;
1701 9f2369b0 2018-12-24 stsp struct imsgbuf *ibuf;
1703 9f2369b0 2018-12-24 stsp if (repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TAG].imsg_fd != -1)
1704 d5c81d44 2021-07-08 stsp return request_tag(tag, repo, obj_fd, id);
1706 9f2369b0 2018-12-24 stsp ibuf = calloc(1, sizeof(*ibuf));
1707 9f2369b0 2018-12-24 stsp if (ibuf == NULL)
1708 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
1710 ddc7b220 2019-09-08 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_fds) == -1) {
1711 ddc7b220 2019-09-08 stsp err = got_error_from_errno("socketpair");
1712 ddc7b220 2019-09-08 stsp free(ibuf);
1713 ddc7b220 2019-09-08 stsp return err;
1716 9f2369b0 2018-12-24 stsp pid = fork();
1717 ddc7b220 2019-09-08 stsp if (pid == -1) {
1718 ddc7b220 2019-09-08 stsp err = got_error_from_errno("fork");
1719 ddc7b220 2019-09-08 stsp free(ibuf);
1720 ddc7b220 2019-09-08 stsp return err;
1722 9f2369b0 2018-12-24 stsp else if (pid == 0) {
1723 aba9c984 2019-09-08 stsp got_privsep_exec_child(imsg_fds, GOT_PATH_PROG_READ_TAG,
1724 9f2369b0 2018-12-24 stsp repo->path);
1725 9f2369b0 2018-12-24 stsp /* not reached */
1728 08578a35 2021-01-22 stsp if (close(imsg_fds[1]) == -1) {
1729 ddc7b220 2019-09-08 stsp err = got_error_from_errno("close");
1730 ddc7b220 2019-09-08 stsp free(ibuf);
1731 ddc7b220 2019-09-08 stsp return err;
1733 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TAG].imsg_fd =
1734 9f2369b0 2018-12-24 stsp imsg_fds[0];
1735 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TAG].pid = pid;
1736 9f2369b0 2018-12-24 stsp imsg_init(ibuf, imsg_fds[0]);
1737 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TAG].ibuf = ibuf;
1739 d5c81d44 2021-07-08 stsp return request_tag(tag, repo, obj_fd, id);
1742 a158c901 2018-12-23 stsp static const struct got_error *
1743 268f7291 2018-12-24 stsp open_tag(struct got_tag_object **tag, struct got_repository *repo,
1744 268f7291 2018-12-24 stsp struct got_object_id *id, int check_cache)
1746 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1747 268f7291 2018-12-24 stsp struct got_packidx *packidx = NULL;
1749 8d2c5ea3 2019-08-13 stsp char *path_packfile = NULL;
1750 5d844a1e 2019-08-13 stsp struct got_object *obj = NULL;
1751 5d844a1e 2019-08-13 stsp int obj_type = GOT_OBJ_TYPE_ANY;
1753 f4a881ce 2018-11-17 stsp if (check_cache) {
1754 268f7291 2018-12-24 stsp *tag = got_repo_get_cached_tag(repo, id);
1755 f4a881ce 2018-11-17 stsp if (*tag != NULL) {
1756 f4a881ce 2018-11-17 stsp (*tag)->refcnt++;
1757 f4a881ce 2018-11-17 stsp return NULL;
1760 f4a881ce 2018-11-17 stsp *tag = NULL;
1762 e82b1d81 2019-07-27 stsp err = got_repo_search_packidx(&packidx, &idx, repo, id);
1763 e82b1d81 2019-07-27 stsp if (err == NULL) {
1764 268f7291 2018-12-24 stsp struct got_pack *pack = NULL;
1766 aea75d87 2021-07-06 stsp err = got_packidx_get_packfile_path(&path_packfile,
1767 aea75d87 2021-07-06 stsp packidx->path_packidx);
1769 268f7291 2018-12-24 stsp return err;
1771 268f7291 2018-12-24 stsp pack = got_repo_get_cached_pack(repo, path_packfile);
1772 f4a881ce 2018-11-17 stsp if (pack == NULL) {
1773 e82b1d81 2019-07-27 stsp err = got_repo_cache_pack(&pack, repo, path_packfile,
1776 8d2c5ea3 2019-08-13 stsp goto done;
1779 992eb9d8 2020-02-07 tracey /* Beware of "lightweight" tags: Check object type first. */
1780 5d844a1e 2019-08-13 stsp err = read_packed_object_privsep(&obj, repo, pack, packidx,
1783 5d844a1e 2019-08-13 stsp goto done;
1784 5d844a1e 2019-08-13 stsp obj_type = obj->type;
1785 5d844a1e 2019-08-13 stsp got_object_close(obj);
1786 5d844a1e 2019-08-13 stsp if (obj_type != GOT_OBJ_TYPE_TAG) {
1787 5d844a1e 2019-08-13 stsp err = got_error(GOT_ERR_OBJ_TYPE);
1788 5d844a1e 2019-08-13 stsp goto done;
1790 5d844a1e 2019-08-13 stsp err = read_packed_tag_privsep(tag, pack, packidx, idx, id);
1791 e82b1d81 2019-07-27 stsp } else if (err->code == GOT_ERR_NO_OBJ) {
1794 762d73f4 2021-04-10 stsp err = got_object_open_loose_fd(&fd, id, repo);
1796 e82b1d81 2019-07-27 stsp return err;
1797 d5c81d44 2021-07-08 stsp err = got_object_read_header_privsep(&obj, id, repo, fd);
1799 5d844a1e 2019-08-13 stsp return err;
1800 5d844a1e 2019-08-13 stsp obj_type = obj->type;
1801 5d844a1e 2019-08-13 stsp got_object_close(obj);
1802 5d844a1e 2019-08-13 stsp if (obj_type != GOT_OBJ_TYPE_TAG)
1803 5d844a1e 2019-08-13 stsp return got_error(GOT_ERR_OBJ_TYPE);
1805 762d73f4 2021-04-10 stsp err = got_object_open_loose_fd(&fd, id, repo);
1807 5d844a1e 2019-08-13 stsp return err;
1808 d5c81d44 2021-07-08 stsp err = read_tag_privsep(tag, fd, id, repo);
1811 f4a881ce 2018-11-17 stsp if (err == NULL) {
1812 f4a881ce 2018-11-17 stsp (*tag)->refcnt++;
1813 268f7291 2018-12-24 stsp err = got_repo_cache_tag(repo, id, *tag);
1816 8d2c5ea3 2019-08-13 stsp free(path_packfile);
1817 f4a881ce 2018-11-17 stsp return err;
1820 f4a881ce 2018-11-17 stsp const struct got_error *
1821 f4a881ce 2018-11-17 stsp got_object_open_as_tag(struct got_tag_object **tag,
1822 f4a881ce 2018-11-17 stsp struct got_repository *repo, struct got_object_id *id)
1824 f4a881ce 2018-11-17 stsp *tag = got_repo_get_cached_tag(repo, id);
1825 f4a881ce 2018-11-17 stsp if (*tag != NULL) {
1826 f4a881ce 2018-11-17 stsp (*tag)->refcnt++;
1827 f4a881ce 2018-11-17 stsp return NULL;
1830 268f7291 2018-12-24 stsp return open_tag(tag, repo, id, 0);
1833 f4a881ce 2018-11-17 stsp const struct got_error *
1834 f4a881ce 2018-11-17 stsp got_object_tag_open(struct got_tag_object **tag,
1835 f4a881ce 2018-11-17 stsp struct got_repository *repo, struct got_object *obj)
1837 268f7291 2018-12-24 stsp return open_tag(tag, repo, got_object_get_id(obj), 1);
1840 d24820bf 2019-08-11 stsp const char *
1841 d24820bf 2019-08-11 stsp got_object_tag_get_name(struct got_tag_object *tag)
1843 d24820bf 2019-08-11 stsp return tag->tag;
1847 0bd18d37 2019-02-01 stsp got_object_tag_get_object_type(struct got_tag_object *tag)
1849 0bd18d37 2019-02-01 stsp return tag->obj_type;
1852 0bd18d37 2019-02-01 stsp struct got_object_id *
1853 0bd18d37 2019-02-01 stsp got_object_tag_get_object_id(struct got_tag_object *tag)
1855 0bd18d37 2019-02-01 stsp return &tag->id;
1859 01073a5d 2019-08-22 stsp got_object_tag_get_tagger_time(struct got_tag_object *tag)
1861 01073a5d 2019-08-22 stsp return tag->tagger_time;
1865 01073a5d 2019-08-22 stsp got_object_tag_get_tagger_gmtoff(struct got_tag_object *tag)
1867 01073a5d 2019-08-22 stsp return tag->tagger_gmtoff;
1870 01073a5d 2019-08-22 stsp const char *
1871 01073a5d 2019-08-22 stsp got_object_tag_get_tagger(struct got_tag_object *tag)
1873 01073a5d 2019-08-22 stsp return tag->tagger;
1876 01073a5d 2019-08-22 stsp const char *
1877 01073a5d 2019-08-22 stsp got_object_tag_get_message(struct got_tag_object *tag)
1879 01073a5d 2019-08-22 stsp return tag->tagmsg;
1882 776d4d29 2018-06-17 stsp static struct got_tree_entry *
1883 65a9bbe9 2018-09-15 stsp find_entry_by_name(struct got_tree_object *tree, const char *name, size_t len)
1887 63da309a 2018-11-07 stsp /* Note that tree entries are sorted in strncmp() order. */
1888 56e0773d 2019-11-28 stsp for (i = 0; i < tree->nentries; i++) {
1889 56e0773d 2019-11-28 stsp struct got_tree_entry *te = &tree->entries[i];
1890 63da309a 2018-11-07 stsp int cmp = strncmp(te->name, name, len);
1891 63da309a 2018-11-07 stsp if (cmp < 0)
1893 63da309a 2018-11-07 stsp if (cmp > 0)
1895 63da309a 2018-11-07 stsp if (te->name[len] == '\0')
1896 776d4d29 2018-06-17 stsp return te;
1898 eb651edf 2018-02-11 stsp return NULL;
1901 56e0773d 2019-11-28 stsp struct got_tree_entry *
1902 a129376b 2019-03-28 stsp got_object_tree_find_entry(struct got_tree_object *tree, const char *name)
1904 a129376b 2019-03-28 stsp return find_entry_by_name(tree, name, strlen(name));
1907 776d4d29 2018-06-17 stsp const struct got_error *
1908 27d434c2 2018-09-15 stsp got_object_id_by_path(struct got_object_id **id, struct got_repository *repo,
1909 776d4d29 2018-06-17 stsp struct got_object_id *commit_id, const char *path)
1911 776d4d29 2018-06-17 stsp const struct got_error *err = NULL;
1912 776d4d29 2018-06-17 stsp struct got_commit_object *commit = NULL;
1913 776d4d29 2018-06-17 stsp struct got_tree_object *tree = NULL;
1914 db37e2c0 2018-06-21 stsp struct got_tree_entry *te = NULL;
1915 65a9bbe9 2018-09-15 stsp const char *seg, *s;
1916 b7cd37e5 2018-11-18 stsp size_t seglen;
1918 27d434c2 2018-09-15 stsp *id = NULL;
1920 776d4d29 2018-06-17 stsp err = got_object_open_as_commit(&commit, repo, commit_id);
1922 776d4d29 2018-06-17 stsp goto done;
1924 776d4d29 2018-06-17 stsp /* Handle opening of root of commit's tree. */
1925 5e54fb30 2019-05-31 stsp if (got_path_is_root_dir(path)) {
1926 27d434c2 2018-09-15 stsp *id = got_object_id_dup(commit->tree_id);
1927 27d434c2 2018-09-15 stsp if (*id == NULL)
1928 638f9024 2019-05-13 stsp err = got_error_from_errno("got_object_id_dup");
1929 ca008b32 2018-07-22 stsp goto done;
1932 776d4d29 2018-06-17 stsp err = got_object_open_as_tree(&tree, repo, commit->tree_id);
1934 776d4d29 2018-06-17 stsp goto done;
1937 5e54fb30 2019-05-31 stsp while (s[0] == '/')
1940 65a9bbe9 2018-09-15 stsp seglen = 0;
1941 b7cd37e5 2018-11-18 stsp while (*s) {
1942 776d4d29 2018-06-17 stsp struct got_tree_object *next_tree;
1944 776d4d29 2018-06-17 stsp if (*s != '/') {
1951 65a9bbe9 2018-09-15 stsp te = find_entry_by_name(tree, seg, seglen);
1952 db37e2c0 2018-06-21 stsp if (te == NULL) {
1953 b66cd6f3 2020-07-31 stsp err = got_error_path(path, GOT_ERR_NO_TREE_ENTRY);
1954 776d4d29 2018-06-17 stsp goto done;
1957 b7cd37e5 2018-11-18 stsp if (*s == '\0')
1960 776d4d29 2018-06-17 stsp seg = s + 1;
1961 65a9bbe9 2018-09-15 stsp seglen = 0;
1964 776d4d29 2018-06-17 stsp err = got_object_open_as_tree(&next_tree, repo,
1966 db37e2c0 2018-06-21 stsp te = NULL;
1968 776d4d29 2018-06-17 stsp goto done;
1969 776d4d29 2018-06-17 stsp got_object_tree_close(tree);
1970 776d4d29 2018-06-17 stsp tree = next_tree;
1975 56e0773d 2019-11-28 stsp *id = got_object_id_dup(&te->id);
1976 27d434c2 2018-09-15 stsp if (*id == NULL)
1977 638f9024 2019-05-13 stsp return got_error_from_errno("got_object_id_dup");
1979 b66cd6f3 2020-07-31 stsp err = got_error_path(path, GOT_ERR_NO_TREE_ENTRY);
1981 776d4d29 2018-06-17 stsp if (commit)
1982 776d4d29 2018-06-17 stsp got_object_commit_close(commit);
1984 776d4d29 2018-06-17 stsp got_object_tree_close(tree);
1985 776d4d29 2018-06-17 stsp return err;
1989 ac5f2b26 2020-05-05 stsp * Normalize file mode bits to avoid false positive tree entry differences
1990 ac5f2b26 2020-05-05 stsp * in case tree entries have unexpected mode bits set.
1992 ac5f2b26 2020-05-05 stsp static mode_t
1993 ac5f2b26 2020-05-05 stsp normalize_mode_for_comparison(mode_t mode)
1996 ac5f2b26 2020-05-05 stsp * For directories, the only relevant bit is the IFDIR bit.
1997 ac5f2b26 2020-05-05 stsp * This allows us to detect paths changing from a directory
1998 ac5f2b26 2020-05-05 stsp * to a file and vice versa.
2000 ac5f2b26 2020-05-05 stsp if (S_ISDIR(mode))
2001 ac5f2b26 2020-05-05 stsp return mode & S_IFDIR;
2004 40dde666 2020-07-23 stsp * For symlinks, the only relevant bit is the IFLNK bit.
2005 40dde666 2020-07-23 stsp * This allows us to detect paths changing from a symlinks
2006 40dde666 2020-07-23 stsp * to a file or directory and vice versa.
2008 40dde666 2020-07-23 stsp if (S_ISLNK(mode))
2009 40dde666 2020-07-23 stsp return mode & S_IFLNK;
2011 ac5f2b26 2020-05-05 stsp /* For files, the only change we care about is the executable bit. */
2012 ac5f2b26 2020-05-05 stsp return mode & S_IXUSR;
2015 07862c20 2018-09-15 stsp const struct got_error *
2016 07862c20 2018-09-15 stsp got_object_tree_path_changed(int *changed,
2017 07862c20 2018-09-15 stsp struct got_tree_object *tree01, struct got_tree_object *tree02,
2018 07862c20 2018-09-15 stsp const char *path, struct got_repository *repo)
2020 07862c20 2018-09-15 stsp const struct got_error *err = NULL;
2021 07862c20 2018-09-15 stsp struct got_tree_object *tree1 = NULL, *tree2 = NULL;
2022 07862c20 2018-09-15 stsp struct got_tree_entry *te1 = NULL, *te2 = NULL;
2023 65a9bbe9 2018-09-15 stsp const char *seg, *s;
2024 3b7f9878 2018-11-18 stsp size_t seglen;
2026 07862c20 2018-09-15 stsp *changed = 0;
2028 07862c20 2018-09-15 stsp /* We not do support comparing the root path. */
2029 61a7d79f 2020-02-29 stsp if (got_path_is_root_dir(path))
2030 63f810e6 2020-02-29 stsp return got_error_path(path, GOT_ERR_BAD_PATH);
2032 07862c20 2018-09-15 stsp tree1 = tree01;
2033 07862c20 2018-09-15 stsp tree2 = tree02;
2035 61a7d79f 2020-02-29 stsp while (*s == '/')
2038 65a9bbe9 2018-09-15 stsp seglen = 0;
2039 3b7f9878 2018-11-18 stsp while (*s) {
2040 07862c20 2018-09-15 stsp struct got_tree_object *next_tree1, *next_tree2;
2041 ac5f2b26 2020-05-05 stsp mode_t mode1, mode2;
2043 07862c20 2018-09-15 stsp if (*s != '/') {
2050 65a9bbe9 2018-09-15 stsp te1 = find_entry_by_name(tree1, seg, seglen);
2051 07862c20 2018-09-15 stsp if (te1 == NULL) {
2052 07862c20 2018-09-15 stsp err = got_error(GOT_ERR_NO_OBJ);
2053 07862c20 2018-09-15 stsp goto done;
2056 e8bfb8f3 2020-12-18 stsp if (tree2)
2057 e8bfb8f3 2020-12-18 stsp te2 = find_entry_by_name(tree2, seg, seglen);
2059 e8bfb8f3 2020-12-18 stsp if (te2) {
2060 e8bfb8f3 2020-12-18 stsp mode1 = normalize_mode_for_comparison(te1->mode);
2061 e8bfb8f3 2020-12-18 stsp mode2 = normalize_mode_for_comparison(te2->mode);
2062 e8bfb8f3 2020-12-18 stsp if (mode1 != mode2) {
2063 e8bfb8f3 2020-12-18 stsp *changed = 1;
2064 e8bfb8f3 2020-12-18 stsp goto done;
2067 e8bfb8f3 2020-12-18 stsp if (got_object_id_cmp(&te1->id, &te2->id) == 0) {
2068 e8bfb8f3 2020-12-18 stsp *changed = 0;
2069 e8bfb8f3 2020-12-18 stsp goto done;
2073 3b7f9878 2018-11-18 stsp if (*s == '\0') { /* final path element */
2074 07862c20 2018-09-15 stsp *changed = 1;
2075 07862c20 2018-09-15 stsp goto done;
2078 07862c20 2018-09-15 stsp seg = s + 1;
2080 65a9bbe9 2018-09-15 stsp seglen = 0;
2082 07862c20 2018-09-15 stsp err = got_object_open_as_tree(&next_tree1, repo,
2083 56e0773d 2019-11-28 stsp &te1->id);
2084 07862c20 2018-09-15 stsp te1 = NULL;
2086 07862c20 2018-09-15 stsp goto done;
2087 a31cea73 2018-09-15 stsp if (tree1 != tree01)
2088 a31cea73 2018-09-15 stsp got_object_tree_close(tree1);
2089 07862c20 2018-09-15 stsp tree1 = next_tree1;
2091 e8bfb8f3 2020-12-18 stsp if (te2) {
2092 e8bfb8f3 2020-12-18 stsp err = got_object_open_as_tree(&next_tree2, repo,
2093 e8bfb8f3 2020-12-18 stsp &te2->id);
2094 e8bfb8f3 2020-12-18 stsp te2 = NULL;
2096 e8bfb8f3 2020-12-18 stsp goto done;
2097 e8bfb8f3 2020-12-18 stsp if (tree2 != tree02)
2098 e8bfb8f3 2020-12-18 stsp got_object_tree_close(tree2);
2099 e8bfb8f3 2020-12-18 stsp tree2 = next_tree2;
2100 e8bfb8f3 2020-12-18 stsp } else if (tree2) {
2101 e8bfb8f3 2020-12-18 stsp if (tree2 != tree02)
2102 e8bfb8f3 2020-12-18 stsp got_object_tree_close(tree2);
2103 e8bfb8f3 2020-12-18 stsp tree2 = NULL;
2108 a31cea73 2018-09-15 stsp if (tree1 && tree1 != tree01)
2109 07862c20 2018-09-15 stsp got_object_tree_close(tree1);
2110 a31cea73 2018-09-15 stsp if (tree2 && tree2 != tree02)
2111 07862c20 2018-09-15 stsp got_object_tree_close(tree2);
2112 77880158 2018-11-04 stsp return err;
2115 ed175427 2019-05-09 stsp const struct got_error *
2116 ed175427 2019-05-09 stsp got_object_tree_entry_dup(struct got_tree_entry **new_te,
2117 ed175427 2019-05-09 stsp struct got_tree_entry *te)
2119 ed175427 2019-05-09 stsp const struct got_error *err = NULL;
2121 ed175427 2019-05-09 stsp *new_te = calloc(1, sizeof(**new_te));
2122 ed175427 2019-05-09 stsp if (*new_te == NULL)
2123 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
2125 ed175427 2019-05-09 stsp (*new_te)->mode = te->mode;
2126 56e0773d 2019-11-28 stsp memcpy((*new_te)->name, te->name, sizeof((*new_te)->name));
2127 56e0773d 2019-11-28 stsp memcpy(&(*new_te)->id, &te->id, sizeof((*new_te)->id));
2128 8c4eabf2 2019-05-10 stsp return err;
2132 56e0773d 2019-11-28 stsp got_object_tree_entry_is_submodule(struct got_tree_entry *te)
2134 63c5ca5d 2019-08-24 stsp return (te->mode & S_IFMT) == (S_IFDIR | S_IFLNK);
2138 e40622f4 2020-07-23 stsp got_object_tree_entry_is_symlink(struct got_tree_entry *te)
2140 e40622f4 2020-07-23 stsp /* S_IFDIR check avoids confusing symlinks with submodules. */
2141 e40622f4 2020-07-23 stsp return ((te->mode & (S_IFDIR | S_IFLNK)) == S_IFLNK);
2144 e40622f4 2020-07-23 stsp static const struct got_error *
2145 e40622f4 2020-07-23 stsp resolve_symlink(char **link_target, const char *path,
2146 e40622f4 2020-07-23 stsp struct got_object_id *commit_id, struct got_repository *repo)
2148 e40622f4 2020-07-23 stsp const struct got_error *err = NULL;
2149 dbdd6209 2020-10-19 stsp char buf[PATH_MAX];
2150 e40622f4 2020-07-23 stsp char *name, *parent_path = NULL;
2151 e40622f4 2020-07-23 stsp struct got_object_id *tree_obj_id = NULL;
2152 e40622f4 2020-07-23 stsp struct got_tree_object *tree = NULL;
2153 e40622f4 2020-07-23 stsp struct got_tree_entry *te = NULL;
2155 e40622f4 2020-07-23 stsp *link_target = NULL;
2157 dbdd6209 2020-10-19 stsp if (strlcpy(buf, path, sizeof(buf)) >= sizeof(buf))
2158 dbdd6209 2020-10-19 stsp return got_error(GOT_ERR_NO_SPACE);
2160 dbdd6209 2020-10-19 stsp name = basename(buf);
2161 e40622f4 2020-07-23 stsp if (name == NULL)
2162 e40622f4 2020-07-23 stsp return got_error_from_errno2("basename", path);
2164 e40622f4 2020-07-23 stsp err = got_path_dirname(&parent_path, path);
2166 e40622f4 2020-07-23 stsp return err;
2168 e40622f4 2020-07-23 stsp err = got_object_id_by_path(&tree_obj_id, repo, commit_id,
2169 e40622f4 2020-07-23 stsp parent_path);
2170 e40622f4 2020-07-23 stsp if (err) {
2171 e40622f4 2020-07-23 stsp if (err->code == GOT_ERR_NO_TREE_ENTRY) {
2172 e40622f4 2020-07-23 stsp /* Display the complete path in error message. */
2173 e40622f4 2020-07-23 stsp err = got_error_path(path, err->code);
2175 e40622f4 2020-07-23 stsp goto done;
2178 e40622f4 2020-07-23 stsp err = got_object_open_as_tree(&tree, repo, tree_obj_id);
2180 e40622f4 2020-07-23 stsp goto done;
2182 e40622f4 2020-07-23 stsp te = got_object_tree_find_entry(tree, name);
2183 e40622f4 2020-07-23 stsp if (te == NULL) {
2184 e40622f4 2020-07-23 stsp err = got_error_path(path, GOT_ERR_NO_TREE_ENTRY);
2185 e40622f4 2020-07-23 stsp goto done;
2188 e40622f4 2020-07-23 stsp if (got_object_tree_entry_is_symlink(te)) {
2189 e40622f4 2020-07-23 stsp err = got_tree_entry_get_symlink_target(link_target, te, repo);
2191 e40622f4 2020-07-23 stsp goto done;
2192 e40622f4 2020-07-23 stsp if (!got_path_is_absolute(*link_target)) {
2193 e40622f4 2020-07-23 stsp char *abspath;
2194 e40622f4 2020-07-23 stsp if (asprintf(&abspath, "%s/%s", parent_path,
2195 e40622f4 2020-07-23 stsp *link_target) == -1) {
2196 e40622f4 2020-07-23 stsp err = got_error_from_errno("asprintf");
2197 e40622f4 2020-07-23 stsp goto done;
2199 e40622f4 2020-07-23 stsp free(*link_target);
2200 e40622f4 2020-07-23 stsp *link_target = malloc(PATH_MAX);
2201 e40622f4 2020-07-23 stsp if (*link_target == NULL) {
2202 e40622f4 2020-07-23 stsp err = got_error_from_errno("malloc");
2203 e40622f4 2020-07-23 stsp goto done;
2205 e40622f4 2020-07-23 stsp err = got_canonpath(abspath, *link_target, PATH_MAX);
2206 e40622f4 2020-07-23 stsp free(abspath);
2208 e40622f4 2020-07-23 stsp goto done;
2212 e40622f4 2020-07-23 stsp free(tree_obj_id);
2214 e40622f4 2020-07-23 stsp got_object_tree_close(tree);
2215 e40622f4 2020-07-23 stsp if (err) {
2216 e40622f4 2020-07-23 stsp free(*link_target);
2217 e40622f4 2020-07-23 stsp *link_target = NULL;
2219 e40622f4 2020-07-23 stsp return err;
2222 ca6e02ac 2020-01-07 stsp const struct got_error *
2223 e40622f4 2020-07-23 stsp got_object_resolve_symlinks(char **link_target, const char *path,
2224 e40622f4 2020-07-23 stsp struct got_object_id *commit_id, struct got_repository *repo)
2226 e40622f4 2020-07-23 stsp const struct got_error *err = NULL;
2227 e40622f4 2020-07-23 stsp char *next_target = NULL;
2228 e40622f4 2020-07-23 stsp int max_recursion = 40; /* matches Git */
2230 e40622f4 2020-07-23 stsp *link_target = NULL;
2233 e40622f4 2020-07-23 stsp err = resolve_symlink(&next_target,
2234 e40622f4 2020-07-23 stsp *link_target ? *link_target : path, commit_id, repo);
2237 e40622f4 2020-07-23 stsp if (next_target) {
2238 e40622f4 2020-07-23 stsp free(*link_target);
2239 e40622f4 2020-07-23 stsp if (--max_recursion == 0) {
2240 e40622f4 2020-07-23 stsp err = got_error_path(path, GOT_ERR_RECURSION);
2241 e40622f4 2020-07-23 stsp *link_target = NULL;
2244 e40622f4 2020-07-23 stsp *link_target = next_target;
2246 e40622f4 2020-07-23 stsp } while (next_target);
2248 e40622f4 2020-07-23 stsp return err;
2251 e40622f4 2020-07-23 stsp const struct got_error *
2252 ca6e02ac 2020-01-07 stsp got_traverse_packed_commits(struct got_object_id_queue *traversed_commits,
2253 ca6e02ac 2020-01-07 stsp struct got_object_id *commit_id, const char *path,
2254 ca6e02ac 2020-01-07 stsp struct got_repository *repo)
2256 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
2257 ca6e02ac 2020-01-07 stsp struct got_pack *pack = NULL;
2258 ca6e02ac 2020-01-07 stsp struct got_packidx *packidx = NULL;
2259 ca6e02ac 2020-01-07 stsp char *path_packfile = NULL;
2260 ca6e02ac 2020-01-07 stsp struct got_commit_object *changed_commit = NULL;
2261 ca6e02ac 2020-01-07 stsp struct got_object_id *changed_commit_id = NULL;
2264 ca6e02ac 2020-01-07 stsp err = got_repo_search_packidx(&packidx, &idx, repo, commit_id);
2265 ca6e02ac 2020-01-07 stsp if (err) {
2266 ca6e02ac 2020-01-07 stsp if (err->code != GOT_ERR_NO_OBJ)
2267 ca6e02ac 2020-01-07 stsp return err;
2268 ca6e02ac 2020-01-07 stsp return NULL;
2271 aea75d87 2021-07-06 stsp err = got_packidx_get_packfile_path(&path_packfile,
2272 aea75d87 2021-07-06 stsp packidx->path_packidx);
2274 ca6e02ac 2020-01-07 stsp return err;
2276 ca6e02ac 2020-01-07 stsp pack = got_repo_get_cached_pack(repo, path_packfile);
2277 ca6e02ac 2020-01-07 stsp if (pack == NULL) {
2278 ca6e02ac 2020-01-07 stsp err = got_repo_cache_pack(&pack, repo, path_packfile, packidx);
2280 ca6e02ac 2020-01-07 stsp goto done;
2283 ca6e02ac 2020-01-07 stsp if (pack->privsep_child == NULL) {
2284 ca6e02ac 2020-01-07 stsp err = start_pack_privsep_child(pack, packidx);
2286 ca6e02ac 2020-01-07 stsp goto done;
2289 ca6e02ac 2020-01-07 stsp err = got_privsep_send_commit_traversal_request(
2290 ca6e02ac 2020-01-07 stsp pack->privsep_child->ibuf, commit_id, idx, path);
2292 ca6e02ac 2020-01-07 stsp goto done;
2294 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_traversed_commits(&changed_commit,
2295 ca6e02ac 2020-01-07 stsp &changed_commit_id, traversed_commits, pack->privsep_child->ibuf);
2297 ca6e02ac 2020-01-07 stsp goto done;
2299 ca6e02ac 2020-01-07 stsp if (changed_commit) {
2301 ca6e02ac 2020-01-07 stsp * Cache the commit in which the path was changed.
2302 ca6e02ac 2020-01-07 stsp * This commit might be opened again soon.
2304 ca6e02ac 2020-01-07 stsp changed_commit->refcnt++;
2305 ca6e02ac 2020-01-07 stsp err = got_repo_cache_commit(repo, changed_commit_id,
2306 ca6e02ac 2020-01-07 stsp changed_commit);
2307 ca6e02ac 2020-01-07 stsp got_object_commit_close(changed_commit);
2310 ca6e02ac 2020-01-07 stsp free(path_packfile);
2311 ca6e02ac 2020-01-07 stsp free(changed_commit_id);
2312 ca6e02ac 2020-01-07 stsp return err;
