2 5d56da81 2019-01-13 stsp * Copyright (c) 2018, 2019 Stefan Sperling <stsp@openbsd.org>
4 d71d75ad 2017-11-05 stsp * Permission to use, copy, modify, and distribute this software for any
5 d71d75ad 2017-11-05 stsp * purpose with or without fee is hereby granted, provided that the above
6 d71d75ad 2017-11-05 stsp * copyright notice and this permission notice appear in all copies.
8 d71d75ad 2017-11-05 stsp * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 d71d75ad 2017-11-05 stsp * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 d71d75ad 2017-11-05 stsp * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 d71d75ad 2017-11-05 stsp * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 d71d75ad 2017-11-05 stsp * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 d71d75ad 2017-11-05 stsp * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 d71d75ad 2017-11-05 stsp * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 2178c42e 2018-04-22 stsp #include <sys/types.h>
18 0ffeb3c2 2017-11-26 stsp #include <sys/stat.h>
19 d1cda826 2017-11-06 stsp #include <sys/queue.h>
20 2178c42e 2018-04-22 stsp #include <sys/uio.h>
21 2178c42e 2018-04-22 stsp #include <sys/socket.h>
22 2178c42e 2018-04-22 stsp #include <sys/wait.h>
23 876c234b 2018-09-10 stsp #include <sys/syslimits.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 ab9a70b2 2017-11-06 stsp #include <zlib.h>
34 ab9a70b2 2017-11-06 stsp #include <ctype.h>
35 ab9a70b2 2017-11-06 stsp #include <limits.h>
36 2178c42e 2018-04-22 stsp #include <imsg.h>
37 788c352e 2018-06-16 stsp #include <time.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 8bf5b3c9 2018-03-17 stsp struct got_object_id *
61 8bf5b3c9 2018-03-17 stsp got_object_id_dup(struct got_object_id *id1)
63 8bf5b3c9 2018-03-17 stsp struct got_object_id *id2;
65 8bf5b3c9 2018-03-17 stsp id2 = malloc(sizeof(*id2));
66 8bf5b3c9 2018-03-17 stsp if (id2 == NULL)
67 8bf5b3c9 2018-03-17 stsp return NULL;
68 8bf5b3c9 2018-03-17 stsp memcpy(id2, id1, sizeof(*id2));
72 3235492e 2018-04-01 stsp struct got_object_id *
73 3235492e 2018-04-01 stsp got_object_get_id(struct got_object *obj)
75 6402fb3c 2018-09-15 stsp return &obj->id;
78 bacc9935 2018-05-20 stsp const struct got_error *
79 bacc9935 2018-05-20 stsp got_object_get_id_str(char **outbuf, struct got_object *obj)
81 bacc9935 2018-05-20 stsp return got_object_id_str(outbuf, &obj->id);
84 15a94983 2018-12-23 stsp const struct got_error *
85 15a94983 2018-12-23 stsp got_object_get_type(int *type, struct got_repository *repo,
86 15a94983 2018-12-23 stsp struct got_object_id *id)
88 15a94983 2018-12-23 stsp const struct got_error *err = NULL;
89 15a94983 2018-12-23 stsp struct got_object *obj;
91 15a94983 2018-12-23 stsp err = got_object_open(&obj, repo, id);
95 b107e67f 2018-01-19 stsp switch (obj->type) {
96 a1fd68d8 2018-01-12 stsp case GOT_OBJ_TYPE_COMMIT:
97 a1fd68d8 2018-01-12 stsp case GOT_OBJ_TYPE_TREE:
98 a1fd68d8 2018-01-12 stsp case GOT_OBJ_TYPE_BLOB:
99 b107e67f 2018-01-19 stsp case GOT_OBJ_TYPE_TAG:
100 15a94983 2018-12-23 stsp *type = obj->type;
103 15a94983 2018-12-23 stsp err = got_error(GOT_ERR_OBJ_TYPE);
107 15a94983 2018-12-23 stsp got_object_close(obj);
108 15a94983 2018-12-23 stsp return err;
111 90bdb554 2019-04-11 stsp const struct got_error *
112 90bdb554 2019-04-11 stsp got_object_get_path(char **path, struct got_object_id *id,
113 90bdb554 2019-04-11 stsp struct got_repository *repo)
115 ab9a70b2 2017-11-06 stsp const struct got_error *err = NULL;
116 7a132809 2018-07-23 stsp char *hex = NULL;
117 41d2888b 2019-08-11 stsp char *path_objects;
119 e6b1056e 2018-04-22 stsp *path = NULL;
121 41d2888b 2019-08-11 stsp path_objects = got_repo_get_path_objects(repo);
122 ab9a70b2 2017-11-06 stsp if (path_objects == NULL)
123 638f9024 2019-05-13 stsp return got_error_from_errno("got_repo_get_path_objects");
125 ef0981d5 2018-02-12 stsp err = got_object_id_str(&hex, id);
129 d1cda826 2017-11-06 stsp if (asprintf(path, "%s/%.2x/%s", path_objects,
130 d1cda826 2017-11-06 stsp id->sha1[0], hex + 2) == -1)
131 638f9024 2019-05-13 stsp err = got_error_from_errno("asprintf");
135 d1cda826 2017-11-06 stsp free(path_objects);
136 d1cda826 2017-11-06 stsp return err;
139 4ee4114f 2018-01-23 stsp static const struct got_error *
140 4796fb13 2018-12-23 stsp open_loose_object(int *fd, struct got_object_id *id,
141 4796fb13 2018-12-23 stsp struct got_repository *repo)
143 d1cda826 2017-11-06 stsp const struct got_error *err = NULL;
144 a1fd68d8 2018-01-12 stsp char *path;
146 90bdb554 2019-04-11 stsp err = got_object_get_path(&path, id, repo);
148 d1cda826 2017-11-06 stsp return err;
149 a5b57ccf 2019-04-11 stsp *fd = open(path, O_RDONLY | O_NOFOLLOW);
150 d5003b79 2018-04-22 stsp if (*fd == -1) {
151 e82b1d81 2019-07-27 stsp err = got_error_from_errno2("open", path);
155 4558fcd4 2018-01-14 stsp free(path);
156 2090a03d 2018-09-09 stsp return err;
159 2090a03d 2018-09-09 stsp static const struct got_error *
160 2090a03d 2018-09-09 stsp get_packfile_path(char **path_packfile, struct got_packidx *packidx)
162 2090a03d 2018-09-09 stsp size_t size;
164 2090a03d 2018-09-09 stsp /* Packfile path contains ".pack" instead of ".idx", so add one byte. */
165 2090a03d 2018-09-09 stsp size = strlen(packidx->path_packidx) + 2;
166 2090a03d 2018-09-09 stsp if (size < GOT_PACKFILE_NAMELEN + 1)
167 2090a03d 2018-09-09 stsp return got_error(GOT_ERR_BAD_PATH);
169 08451938 2018-11-05 stsp *path_packfile = malloc(size);
170 2090a03d 2018-09-09 stsp if (*path_packfile == NULL)
171 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
173 2090a03d 2018-09-09 stsp /* Copy up to and excluding ".idx". */
174 2090a03d 2018-09-09 stsp if (strlcpy(*path_packfile, packidx->path_packidx,
175 2090a03d 2018-09-09 stsp size - strlen(GOT_PACKIDX_SUFFIX) - 1) >= size)
176 2090a03d 2018-09-09 stsp return got_error(GOT_ERR_NO_SPACE);
178 2090a03d 2018-09-09 stsp if (strlcat(*path_packfile, GOT_PACKFILE_SUFFIX, size) >= size)
179 2090a03d 2018-09-09 stsp return got_error(GOT_ERR_NO_SPACE);
181 2090a03d 2018-09-09 stsp return NULL;
184 a158c901 2018-12-23 stsp static void
185 a158c901 2018-12-23 stsp exec_privsep_child(int imsg_fds[2], const char *path, const char *repo_path)
187 3a6ce05a 2019-02-11 stsp if (close(imsg_fds[0]) != 0) {
188 48b8b0eb 2019-05-11 jcs fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
192 a158c901 2018-12-23 stsp if (dup2(imsg_fds[1], GOT_IMSG_FD_CHILD) == -1) {
193 48b8b0eb 2019-05-11 jcs fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
196 a158c901 2018-12-23 stsp if (closefrom(GOT_IMSG_FD_CHILD + 1) == -1) {
197 48b8b0eb 2019-05-11 jcs fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
201 a158c901 2018-12-23 stsp if (execl(path, path, repo_path, (char *)NULL) == -1) {
202 a158c901 2018-12-23 stsp fprintf(stderr, "%s: %s: %s\n", getprogname(), path,
203 a158c901 2018-12-23 stsp strerror(errno));
208 2090a03d 2018-09-09 stsp static const struct got_error *
209 a158c901 2018-12-23 stsp request_packed_object(struct got_object **obj, struct got_pack *pack, int idx,
210 a158c901 2018-12-23 stsp struct got_object_id *id)
212 a158c901 2018-12-23 stsp const struct got_error *err = NULL;
213 a158c901 2018-12-23 stsp struct imsgbuf *ibuf = pack->privsep_child->ibuf;
215 a158c901 2018-12-23 stsp err = got_privsep_send_packed_obj_req(ibuf, idx, id);
217 a158c901 2018-12-23 stsp return err;
219 a158c901 2018-12-23 stsp err = got_privsep_recv_obj(obj, ibuf);
221 a158c901 2018-12-23 stsp return err;
223 a158c901 2018-12-23 stsp (*obj)->path_packfile = strdup(pack->path_packfile);
224 a158c901 2018-12-23 stsp if ((*obj)->path_packfile == NULL) {
225 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
226 a158c901 2018-12-23 stsp return err;
228 a158c901 2018-12-23 stsp memcpy(&(*obj)->id, id, sizeof((*obj)->id));
230 a158c901 2018-12-23 stsp return NULL;
233 da506691 2019-05-22 stsp static void
234 b48e2ddb 2019-05-22 stsp set_max_datasize(void)
236 b48e2ddb 2019-05-22 stsp struct rlimit rl;
238 b48e2ddb 2019-05-22 stsp if (getrlimit(RLIMIT_DATA, &rl) != 0)
241 b48e2ddb 2019-05-22 stsp rl.rlim_cur = rl.rlim_max;
242 b48e2ddb 2019-05-22 stsp setrlimit(RLIMIT_DATA, &rl);
245 a158c901 2018-12-23 stsp static const struct got_error *
246 711fb6e8 2018-12-23 stsp start_pack_privsep_child(struct got_pack *pack, struct got_packidx *packidx)
248 a158c901 2018-12-23 stsp const struct got_error *err = NULL;
249 a158c901 2018-12-23 stsp int imsg_fds[2];
251 a158c901 2018-12-23 stsp struct imsgbuf *ibuf;
253 a158c901 2018-12-23 stsp ibuf = calloc(1, sizeof(*ibuf));
254 a158c901 2018-12-23 stsp if (ibuf == NULL)
255 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
257 a158c901 2018-12-23 stsp pack->privsep_child = calloc(1, sizeof(*pack->privsep_child));
258 a158c901 2018-12-23 stsp if (pack->privsep_child == NULL) {
259 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
260 a158c901 2018-12-23 stsp free(ibuf);
261 a158c901 2018-12-23 stsp return err;
264 a158c901 2018-12-23 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_fds) == -1) {
265 638f9024 2019-05-13 stsp err = got_error_from_errno("socketpair");
269 a158c901 2018-12-23 stsp pid = fork();
270 a158c901 2018-12-23 stsp if (pid == -1) {
271 638f9024 2019-05-13 stsp err = got_error_from_errno("fork");
273 a158c901 2018-12-23 stsp } else if (pid == 0) {
274 b48e2ddb 2019-05-22 stsp set_max_datasize();
275 a158c901 2018-12-23 stsp exec_privsep_child(imsg_fds, GOT_PATH_PROG_READ_PACK,
276 a158c901 2018-12-23 stsp pack->path_packfile);
277 a158c901 2018-12-23 stsp /* not reached */
280 3a6ce05a 2019-02-11 stsp if (close(imsg_fds[1]) != 0)
281 638f9024 2019-05-13 stsp return got_error_from_errno("close");
282 a158c901 2018-12-23 stsp pack->privsep_child->imsg_fd = imsg_fds[0];
283 a158c901 2018-12-23 stsp pack->privsep_child->pid = pid;
284 a158c901 2018-12-23 stsp imsg_init(ibuf, imsg_fds[0]);
285 a158c901 2018-12-23 stsp pack->privsep_child->ibuf = ibuf;
287 a158c901 2018-12-23 stsp err = got_privsep_init_pack_child(ibuf, pack, packidx);
289 a158c901 2018-12-23 stsp const struct got_error *child_err;
290 a158c901 2018-12-23 stsp err = got_privsep_send_stop(pack->privsep_child->imsg_fd);
291 a158c901 2018-12-23 stsp child_err = got_privsep_wait_for_child(
292 a158c901 2018-12-23 stsp pack->privsep_child->pid);
293 a158c901 2018-12-23 stsp if (child_err && err == NULL)
294 a158c901 2018-12-23 stsp err = child_err;
298 a158c901 2018-12-23 stsp free(ibuf);
299 a158c901 2018-12-23 stsp free(pack->privsep_child);
300 a158c901 2018-12-23 stsp pack->privsep_child = NULL;
302 a158c901 2018-12-23 stsp return err;
305 711fb6e8 2018-12-23 stsp static const struct got_error *
306 711fb6e8 2018-12-23 stsp read_packed_object_privsep(struct got_object **obj,
307 711fb6e8 2018-12-23 stsp struct got_repository *repo, struct got_pack *pack,
308 711fb6e8 2018-12-23 stsp struct got_packidx *packidx, int idx, struct got_object_id *id)
310 711fb6e8 2018-12-23 stsp const struct got_error *err = NULL;
312 711fb6e8 2018-12-23 stsp if (pack->privsep_child)
313 711fb6e8 2018-12-23 stsp return request_packed_object(obj, pack, idx, id);
315 711fb6e8 2018-12-23 stsp err = start_pack_privsep_child(pack, packidx);
317 711fb6e8 2018-12-23 stsp return err;
319 711fb6e8 2018-12-23 stsp return request_packed_object(obj, pack, idx, id);
323 a158c901 2018-12-23 stsp static const struct got_error *
324 2090a03d 2018-09-09 stsp open_packed_object(struct got_object **obj, struct got_object_id *id,
325 2090a03d 2018-09-09 stsp struct got_repository *repo)
327 2090a03d 2018-09-09 stsp const struct got_error *err = NULL;
328 2090a03d 2018-09-09 stsp struct got_pack *pack = NULL;
329 2090a03d 2018-09-09 stsp struct got_packidx *packidx = NULL;
331 2090a03d 2018-09-09 stsp char *path_packfile;
333 2090a03d 2018-09-09 stsp err = got_repo_search_packidx(&packidx, &idx, repo, id);
335 2090a03d 2018-09-09 stsp return err;
337 2090a03d 2018-09-09 stsp err = get_packfile_path(&path_packfile, packidx);
339 2090a03d 2018-09-09 stsp return err;
341 2090a03d 2018-09-09 stsp pack = got_repo_get_cached_pack(repo, path_packfile);
342 2090a03d 2018-09-09 stsp if (pack == NULL) {
343 2090a03d 2018-09-09 stsp err = got_repo_cache_pack(&pack, repo, path_packfile, packidx);
348 a158c901 2018-12-23 stsp err = read_packed_object_privsep(obj, repo, pack, packidx, idx, id);
352 2090a03d 2018-09-09 stsp err = got_repo_cache_pack(NULL, repo, (*obj)->path_packfile, packidx);
354 2090a03d 2018-09-09 stsp free(path_packfile);
355 4558fcd4 2018-01-14 stsp return err;
358 9f2369b0 2018-12-24 stsp static const struct got_error *
359 9f2369b0 2018-12-24 stsp request_object(struct got_object **obj, struct got_repository *repo, int fd)
361 9f2369b0 2018-12-24 stsp const struct got_error *err = NULL;
362 9f2369b0 2018-12-24 stsp struct imsgbuf *ibuf;
364 9f2369b0 2018-12-24 stsp ibuf = repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_OBJECT].ibuf;
366 aea5f015 2018-12-24 stsp err = got_privsep_send_obj_req(ibuf, fd);
368 9f2369b0 2018-12-24 stsp return err;
370 9f2369b0 2018-12-24 stsp return got_privsep_recv_obj(obj, ibuf);
373 9f2369b0 2018-12-24 stsp static const struct got_error *
374 9f2369b0 2018-12-24 stsp read_object_header_privsep(struct got_object **obj, struct got_repository *repo,
375 9f2369b0 2018-12-24 stsp int obj_fd)
377 9f2369b0 2018-12-24 stsp int imsg_fds[2];
379 9f2369b0 2018-12-24 stsp struct imsgbuf *ibuf;
381 9f2369b0 2018-12-24 stsp if (repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_OBJECT].imsg_fd != -1)
382 9f2369b0 2018-12-24 stsp return request_object(obj, repo, obj_fd);
384 9f2369b0 2018-12-24 stsp ibuf = calloc(1, sizeof(*ibuf));
385 9f2369b0 2018-12-24 stsp if (ibuf == NULL)
386 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
388 9f2369b0 2018-12-24 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_fds) == -1)
389 638f9024 2019-05-13 stsp return got_error_from_errno("socketpair");
391 9f2369b0 2018-12-24 stsp pid = fork();
392 9f2369b0 2018-12-24 stsp if (pid == -1)
393 638f9024 2019-05-13 stsp return got_error_from_errno("fork");
394 9f2369b0 2018-12-24 stsp else if (pid == 0) {
395 9f2369b0 2018-12-24 stsp exec_privsep_child(imsg_fds, GOT_PATH_PROG_READ_OBJECT,
396 9f2369b0 2018-12-24 stsp repo->path);
397 9f2369b0 2018-12-24 stsp /* not reached */
400 3a6ce05a 2019-02-11 stsp if (close(imsg_fds[1]) != 0)
401 638f9024 2019-05-13 stsp return got_error_from_errno("close");
402 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_OBJECT].imsg_fd =
403 9f2369b0 2018-12-24 stsp imsg_fds[0];
404 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_OBJECT].pid = pid;
405 9f2369b0 2018-12-24 stsp imsg_init(ibuf, imsg_fds[0]);
406 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_OBJECT].ibuf = ibuf;
408 9f2369b0 2018-12-24 stsp return request_object(obj, repo, obj_fd);
412 4558fcd4 2018-01-14 stsp const struct got_error *
413 4558fcd4 2018-01-14 stsp got_object_open(struct got_object **obj, struct got_repository *repo,
414 4558fcd4 2018-01-14 stsp struct got_object_id *id)
416 6c00b545 2018-01-17 stsp const struct got_error *err = NULL;
417 6c00b545 2018-01-17 stsp char *path;
420 7bb0daa1 2018-06-21 stsp *obj = got_repo_get_cached_object(repo, id);
421 7bb0daa1 2018-06-21 stsp if (*obj != NULL) {
422 7bb0daa1 2018-06-21 stsp (*obj)->refcnt++;
423 7bb0daa1 2018-06-21 stsp return NULL;
426 e82b1d81 2019-07-27 stsp err = open_packed_object(obj, id, repo);
427 e82b1d81 2019-07-27 stsp if (err && err->code != GOT_ERR_NO_OBJ)
428 e82b1d81 2019-07-27 stsp return err;
429 e82b1d81 2019-07-27 stsp if (*obj) {
430 e82b1d81 2019-07-27 stsp (*obj)->refcnt++;
431 e82b1d81 2019-07-27 stsp return got_repo_cache_object(repo, id, *obj);
434 90bdb554 2019-04-11 stsp err = got_object_get_path(&path, id, repo);
436 4558fcd4 2018-01-14 stsp return err;
438 a5b57ccf 2019-04-11 stsp fd = open(path, O_RDONLY | O_NOFOLLOW);
439 2178c42e 2018-04-22 stsp if (fd == -1) {
440 e82b1d81 2019-07-27 stsp if (errno == ENOENT)
441 e82b1d81 2019-07-27 stsp err = got_error_no_obj(id);
443 638f9024 2019-05-13 stsp err = got_error_from_errno2("open", path);
446 9f2369b0 2018-12-24 stsp err = read_object_header_privsep(obj, repo, fd);
449 ab9a70b2 2017-11-06 stsp memcpy((*obj)->id.sha1, id->sha1, SHA1_DIGEST_LENGTH);
452 59790a32 2018-09-15 stsp (*obj)->refcnt++;
453 59790a32 2018-09-15 stsp err = got_repo_cache_object(repo, id, *obj);
455 6c00b545 2018-01-17 stsp free(path);
456 ab9a70b2 2017-11-06 stsp return err;
460 6dfa2fd3 2018-02-12 stsp const struct got_error *
461 6dfa2fd3 2018-02-12 stsp got_object_open_by_id_str(struct got_object **obj, struct got_repository *repo,
462 6dfa2fd3 2018-02-12 stsp const char *id_str)
464 6dfa2fd3 2018-02-12 stsp struct got_object_id id;
466 6dfa2fd3 2018-02-12 stsp if (!got_parse_sha1_digest(id.sha1, id_str))
467 6dfa2fd3 2018-02-12 stsp return got_error(GOT_ERR_BAD_OBJ_ID_STR);
469 6dfa2fd3 2018-02-12 stsp return got_object_open(obj, repo, &id);
472 15a94983 2018-12-23 stsp const struct got_error *
473 15a94983 2018-12-23 stsp got_object_resolve_id_str(struct got_object_id **id,
474 15a94983 2018-12-23 stsp struct got_repository *repo, const char *id_str)
476 15a94983 2018-12-23 stsp const struct got_error *err = NULL;
477 15a94983 2018-12-23 stsp struct got_object *obj;
479 15a94983 2018-12-23 stsp err = got_object_open_by_id_str(&obj, repo, id_str);
481 15a94983 2018-12-23 stsp return err;
483 15a94983 2018-12-23 stsp *id = got_object_id_dup(got_object_get_id(obj));
484 15a94983 2018-12-23 stsp got_object_close(obj);
485 15a94983 2018-12-23 stsp if (*id == NULL)
486 638f9024 2019-05-13 stsp return got_error_from_errno("got_object_id_dup");
488 15a94983 2018-12-23 stsp return NULL;
491 434025f3 2018-09-16 stsp static const struct got_error *
492 a158c901 2018-12-23 stsp request_packed_commit(struct got_commit_object **commit, struct got_pack *pack,
493 a158c901 2018-12-23 stsp int pack_idx, struct got_object_id *id)
495 a158c901 2018-12-23 stsp const struct got_error *err = NULL;
497 a158c901 2018-12-23 stsp err = got_privsep_send_commit_req(pack->privsep_child->ibuf, -1, id,
500 a158c901 2018-12-23 stsp return err;
502 a158c901 2018-12-23 stsp return got_privsep_recv_commit(commit, pack->privsep_child->ibuf);
505 a158c901 2018-12-23 stsp static const struct got_error *
506 a158c901 2018-12-23 stsp read_packed_commit_privsep(struct got_commit_object **commit,
507 a158c901 2018-12-23 stsp struct got_pack *pack, struct got_packidx *packidx, int idx,
508 a158c901 2018-12-23 stsp struct got_object_id *id)
510 a158c901 2018-12-23 stsp const struct got_error *err = NULL;
512 a158c901 2018-12-23 stsp if (pack->privsep_child)
513 a158c901 2018-12-23 stsp return request_packed_commit(commit, pack, idx, id);
515 711fb6e8 2018-12-23 stsp err = start_pack_privsep_child(pack, packidx);
517 a158c901 2018-12-23 stsp return err;
519 711fb6e8 2018-12-23 stsp return request_packed_commit(commit, pack, idx, id);
522 9f2369b0 2018-12-24 stsp static const struct got_error *
523 9f2369b0 2018-12-24 stsp request_commit(struct got_commit_object **commit, struct got_repository *repo,
526 9f2369b0 2018-12-24 stsp const struct got_error *err = NULL;
527 9f2369b0 2018-12-24 stsp struct imsgbuf *ibuf;
529 9f2369b0 2018-12-24 stsp ibuf = repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_COMMIT].ibuf;
531 9f2369b0 2018-12-24 stsp err = got_privsep_send_commit_req(ibuf, fd, NULL, -1);
533 9f2369b0 2018-12-24 stsp return err;
535 9f2369b0 2018-12-24 stsp return got_privsep_recv_commit(commit, ibuf);
538 9f2369b0 2018-12-24 stsp static const struct got_error *
539 9f2369b0 2018-12-24 stsp read_commit_privsep(struct got_commit_object **commit, int obj_fd,
540 9f2369b0 2018-12-24 stsp struct got_repository *repo)
542 9f2369b0 2018-12-24 stsp int imsg_fds[2];
544 9f2369b0 2018-12-24 stsp struct imsgbuf *ibuf;
546 9f2369b0 2018-12-24 stsp if (repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_COMMIT].imsg_fd != -1)
547 9f2369b0 2018-12-24 stsp return request_commit(commit, repo, obj_fd);
549 9f2369b0 2018-12-24 stsp ibuf = calloc(1, sizeof(*ibuf));
550 9f2369b0 2018-12-24 stsp if (ibuf == NULL)
551 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
553 9f2369b0 2018-12-24 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_fds) == -1)
554 638f9024 2019-05-13 stsp return got_error_from_errno("socketpair");
556 9f2369b0 2018-12-24 stsp pid = fork();
557 9f2369b0 2018-12-24 stsp if (pid == -1)
558 638f9024 2019-05-13 stsp return got_error_from_errno("fork");
559 9f2369b0 2018-12-24 stsp else if (pid == 0) {
560 9f2369b0 2018-12-24 stsp exec_privsep_child(imsg_fds, GOT_PATH_PROG_READ_COMMIT,
561 9f2369b0 2018-12-24 stsp repo->path);
562 9f2369b0 2018-12-24 stsp /* not reached */
565 3a6ce05a 2019-02-11 stsp if (close(imsg_fds[1]) != 0)
566 638f9024 2019-05-13 stsp return got_error_from_errno("close");
567 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_COMMIT].imsg_fd =
568 9f2369b0 2018-12-24 stsp imsg_fds[0];
569 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_COMMIT].pid = pid;
570 9f2369b0 2018-12-24 stsp imsg_init(ibuf, imsg_fds[0]);
571 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_COMMIT].ibuf = ibuf;
573 9f2369b0 2018-12-24 stsp return request_commit(commit, repo, obj_fd);
577 a158c901 2018-12-23 stsp static const struct got_error *
578 434025f3 2018-09-16 stsp open_commit(struct got_commit_object **commit,
579 1785f84a 2018-12-23 stsp struct got_repository *repo, struct got_object_id *id, int check_cache)
581 434025f3 2018-09-16 stsp const struct got_error *err = NULL;
582 1785f84a 2018-12-23 stsp struct got_packidx *packidx = NULL;
584 8d2c5ea3 2019-08-13 stsp char *path_packfile = NULL;
586 434025f3 2018-09-16 stsp if (check_cache) {
587 1785f84a 2018-12-23 stsp *commit = got_repo_get_cached_commit(repo, id);
588 434025f3 2018-09-16 stsp if (*commit != NULL) {
589 434025f3 2018-09-16 stsp (*commit)->refcnt++;
590 434025f3 2018-09-16 stsp return NULL;
593 434025f3 2018-09-16 stsp *commit = NULL;
595 e82b1d81 2019-07-27 stsp err = got_repo_search_packidx(&packidx, &idx, repo, id);
596 e82b1d81 2019-07-27 stsp if (err == NULL) {
597 1785f84a 2018-12-23 stsp struct got_pack *pack = NULL;
599 1785f84a 2018-12-23 stsp err = get_packfile_path(&path_packfile, packidx);
601 1785f84a 2018-12-23 stsp return err;
603 1785f84a 2018-12-23 stsp pack = got_repo_get_cached_pack(repo, path_packfile);
604 434025f3 2018-09-16 stsp if (pack == NULL) {
605 1785f84a 2018-12-23 stsp err = got_repo_cache_pack(&pack, repo, path_packfile,
610 a158c901 2018-12-23 stsp err = read_packed_commit_privsep(commit, pack,
611 1785f84a 2018-12-23 stsp packidx, idx, id);
612 e82b1d81 2019-07-27 stsp } else if (err->code == GOT_ERR_NO_OBJ) {
615 e82b1d81 2019-07-27 stsp err = open_loose_object(&fd, id, repo);
617 e82b1d81 2019-07-27 stsp return err;
618 9f2369b0 2018-12-24 stsp err = read_commit_privsep(commit, fd, repo);
621 434025f3 2018-09-16 stsp if (err == NULL) {
622 434025f3 2018-09-16 stsp (*commit)->refcnt++;
623 1785f84a 2018-12-23 stsp err = got_repo_cache_commit(repo, id, *commit);
626 8d2c5ea3 2019-08-13 stsp free(path_packfile);
627 e32baab7 2018-11-05 stsp return err;
630 e32baab7 2018-11-05 stsp const struct got_error *
631 e32baab7 2018-11-05 stsp got_object_open_as_commit(struct got_commit_object **commit,
632 e32baab7 2018-11-05 stsp struct got_repository *repo, struct got_object_id *id)
634 e32baab7 2018-11-05 stsp *commit = got_repo_get_cached_commit(repo, id);
635 e32baab7 2018-11-05 stsp if (*commit != NULL) {
636 e32baab7 2018-11-05 stsp (*commit)->refcnt++;
637 e32baab7 2018-11-05 stsp return NULL;
640 1785f84a 2018-12-23 stsp return open_commit(commit, repo, id, 0);
643 e32baab7 2018-11-05 stsp const struct got_error *
644 e32baab7 2018-11-05 stsp got_object_commit_open(struct got_commit_object **commit,
645 e32baab7 2018-11-05 stsp struct got_repository *repo, struct got_object *obj)
647 1785f84a 2018-12-23 stsp return open_commit(commit, repo, got_object_get_id(obj), 1);
650 434025f3 2018-09-16 stsp const struct got_error *
651 dbc6a6b6 2018-07-12 stsp got_object_qid_alloc(struct got_object_qid **qid, struct got_object_id *id)
653 dbc6a6b6 2018-07-12 stsp const struct got_error *err = NULL;
655 dbc6a6b6 2018-07-12 stsp *qid = calloc(1, sizeof(**qid));
656 dbc6a6b6 2018-07-12 stsp if (*qid == NULL)
657 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
659 dbc6a6b6 2018-07-12 stsp (*qid)->id = got_object_id_dup(id);
660 dbc6a6b6 2018-07-12 stsp if ((*qid)->id == NULL) {
661 638f9024 2019-05-13 stsp err = got_error_from_errno("got_object_id_dup");
662 fa2f6902 2018-07-23 stsp got_object_qid_free(*qid);
663 dbc6a6b6 2018-07-12 stsp *qid = NULL;
664 dbc6a6b6 2018-07-12 stsp return err;
667 dbc6a6b6 2018-07-12 stsp return NULL;
670 a158c901 2018-12-23 stsp static const struct got_error *
671 13c729f7 2018-12-24 stsp request_packed_tree(struct got_tree_object **tree, struct got_pack *pack,
672 13c729f7 2018-12-24 stsp int pack_idx, struct got_object_id *id)
674 a158c901 2018-12-23 stsp const struct got_error *err = NULL;
676 13c729f7 2018-12-24 stsp err = got_privsep_send_tree_req(pack->privsep_child->ibuf, -1, id,
679 a158c901 2018-12-23 stsp return err;
681 a158c901 2018-12-23 stsp return got_privsep_recv_tree(tree, pack->privsep_child->ibuf);
684 71eb0e7f 2018-09-16 stsp static const struct got_error *
685 13c729f7 2018-12-24 stsp read_packed_tree_privsep(struct got_tree_object **tree,
686 13c729f7 2018-12-24 stsp struct got_pack *pack, struct got_packidx *packidx, int idx,
687 13c729f7 2018-12-24 stsp struct got_object_id *id)
689 13c729f7 2018-12-24 stsp const struct got_error *err = NULL;
691 13c729f7 2018-12-24 stsp if (pack->privsep_child)
692 13c729f7 2018-12-24 stsp return request_packed_tree(tree, pack, idx, id);
694 13c729f7 2018-12-24 stsp err = start_pack_privsep_child(pack, packidx);
696 13c729f7 2018-12-24 stsp return err;
698 13c729f7 2018-12-24 stsp return request_packed_tree(tree, pack, idx, id);
701 13c729f7 2018-12-24 stsp static const struct got_error *
702 9f2369b0 2018-12-24 stsp request_tree(struct got_tree_object **tree, struct got_repository *repo,
705 9f2369b0 2018-12-24 stsp const struct got_error *err = NULL;
706 9f2369b0 2018-12-24 stsp struct imsgbuf *ibuf;
708 9f2369b0 2018-12-24 stsp ibuf = repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TREE].ibuf;
710 9f2369b0 2018-12-24 stsp err = got_privsep_send_tree_req(ibuf, fd, NULL, -1);
712 9f2369b0 2018-12-24 stsp return err;
714 9f2369b0 2018-12-24 stsp return got_privsep_recv_tree(tree, ibuf);
717 9f2369b0 2018-12-24 stsp const struct got_error *
718 9f2369b0 2018-12-24 stsp read_tree_privsep(struct got_tree_object **tree, int obj_fd,
719 9f2369b0 2018-12-24 stsp struct got_repository *repo)
721 9f2369b0 2018-12-24 stsp int imsg_fds[2];
723 9f2369b0 2018-12-24 stsp struct imsgbuf *ibuf;
725 9f2369b0 2018-12-24 stsp if (repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TREE].imsg_fd != -1)
726 9f2369b0 2018-12-24 stsp return request_tree(tree, repo, obj_fd);
728 9f2369b0 2018-12-24 stsp ibuf = calloc(1, sizeof(*ibuf));
729 9f2369b0 2018-12-24 stsp if (ibuf == NULL)
730 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
732 9f2369b0 2018-12-24 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_fds) == -1)
733 638f9024 2019-05-13 stsp return got_error_from_errno("socketpair");
735 9f2369b0 2018-12-24 stsp pid = fork();
736 9f2369b0 2018-12-24 stsp if (pid == -1)
737 638f9024 2019-05-13 stsp return got_error_from_errno("fork");
738 9f2369b0 2018-12-24 stsp else if (pid == 0) {
739 9f2369b0 2018-12-24 stsp exec_privsep_child(imsg_fds, GOT_PATH_PROG_READ_TREE,
740 9f2369b0 2018-12-24 stsp repo->path);
741 9f2369b0 2018-12-24 stsp /* not reached */
744 3a6ce05a 2019-02-11 stsp if (close(imsg_fds[1]) != 0)
745 638f9024 2019-05-13 stsp return got_error_from_errno("close");
746 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TREE].imsg_fd =
747 9f2369b0 2018-12-24 stsp imsg_fds[0];
748 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TREE].pid = pid;
749 9f2369b0 2018-12-24 stsp imsg_init(ibuf, imsg_fds[0]);
750 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TREE].ibuf = ibuf;
753 9f2369b0 2018-12-24 stsp return request_tree(tree, repo, obj_fd);
756 9f2369b0 2018-12-24 stsp static const struct got_error *
757 13c729f7 2018-12-24 stsp open_tree(struct got_tree_object **tree, struct got_repository *repo,
758 13c729f7 2018-12-24 stsp struct got_object_id *id, int check_cache)
760 0ffeb3c2 2017-11-26 stsp const struct got_error *err = NULL;
761 13c729f7 2018-12-24 stsp struct got_packidx *packidx = NULL;
763 8d2c5ea3 2019-08-13 stsp char *path_packfile = NULL;
765 71eb0e7f 2018-09-16 stsp if (check_cache) {
766 13c729f7 2018-12-24 stsp *tree = got_repo_get_cached_tree(repo, id);
767 71eb0e7f 2018-09-16 stsp if (*tree != NULL) {
768 71eb0e7f 2018-09-16 stsp (*tree)->refcnt++;
769 71eb0e7f 2018-09-16 stsp return NULL;
772 71eb0e7f 2018-09-16 stsp *tree = NULL;
774 e82b1d81 2019-07-27 stsp err = got_repo_search_packidx(&packidx, &idx, repo, id);
775 e82b1d81 2019-07-27 stsp if (err == NULL) {
776 13c729f7 2018-12-24 stsp struct got_pack *pack = NULL;
778 13c729f7 2018-12-24 stsp err = get_packfile_path(&path_packfile, packidx);
780 13c729f7 2018-12-24 stsp return err;
782 13c729f7 2018-12-24 stsp pack = got_repo_get_cached_pack(repo, path_packfile);
783 e7885405 2018-09-10 stsp if (pack == NULL) {
784 e82b1d81 2019-07-27 stsp err = got_repo_cache_pack(&pack, repo, path_packfile,
789 13c729f7 2018-12-24 stsp err = read_packed_tree_privsep(tree, pack,
790 13c729f7 2018-12-24 stsp packidx, idx, id);
791 e82b1d81 2019-07-27 stsp } else if (err->code == GOT_ERR_NO_OBJ) {
794 e82b1d81 2019-07-27 stsp err = open_loose_object(&fd, id, repo);
796 e82b1d81 2019-07-27 stsp return err;
797 9f2369b0 2018-12-24 stsp err = read_tree_privsep(tree, fd, repo);
800 f6be5c30 2018-06-22 stsp if (err == NULL) {
801 f6be5c30 2018-06-22 stsp (*tree)->refcnt++;
802 13c729f7 2018-12-24 stsp err = got_repo_cache_tree(repo, id, *tree);
805 8d2c5ea3 2019-08-13 stsp free(path_packfile);
806 776d4d29 2018-06-17 stsp return err;
809 776d4d29 2018-06-17 stsp const struct got_error *
810 776d4d29 2018-06-17 stsp got_object_open_as_tree(struct got_tree_object **tree,
811 776d4d29 2018-06-17 stsp struct got_repository *repo, struct got_object_id *id)
813 e8eb494a 2018-09-16 stsp *tree = got_repo_get_cached_tree(repo, id);
814 e8eb494a 2018-09-16 stsp if (*tree != NULL) {
815 e8eb494a 2018-09-16 stsp (*tree)->refcnt++;
816 e8eb494a 2018-09-16 stsp return NULL;
819 13c729f7 2018-12-24 stsp return open_tree(tree, repo, id, 0);
822 71eb0e7f 2018-09-16 stsp const struct got_error *
823 71eb0e7f 2018-09-16 stsp got_object_tree_open(struct got_tree_object **tree,
824 71eb0e7f 2018-09-16 stsp struct got_repository *repo, struct got_object *obj)
826 13c729f7 2018-12-24 stsp return open_tree(tree, repo, got_object_get_id(obj), 1);
829 883f0469 2018-06-23 stsp const struct got_tree_entries *
830 883f0469 2018-06-23 stsp got_object_tree_get_entries(struct got_tree_object *tree)
832 883f0469 2018-06-23 stsp return &tree->entries;
835 3840f4c9 2018-09-12 stsp static const struct got_error *
836 ac544f8c 2019-01-13 stsp request_packed_blob(uint8_t **outbuf, size_t *size, size_t *hdrlen, int outfd,
837 ebc55e2d 2018-12-24 stsp struct got_pack *pack, struct got_packidx *packidx, int idx,
838 ebc55e2d 2018-12-24 stsp struct got_object_id *id)
840 3840f4c9 2018-09-12 stsp const struct got_error *err = NULL;
841 3840f4c9 2018-09-12 stsp int outfd_child;
842 3840f4c9 2018-09-12 stsp int basefd, accumfd; /* temporary files for delta application */
844 3840f4c9 2018-09-12 stsp basefd = got_opentempfd();
845 3840f4c9 2018-09-12 stsp if (basefd == -1)
846 638f9024 2019-05-13 stsp return got_error_from_errno("got_opentempfd");
847 3840f4c9 2018-09-12 stsp accumfd = got_opentempfd();
848 3840f4c9 2018-09-12 stsp if (accumfd == -1)
849 638f9024 2019-05-13 stsp return got_error_from_errno("got_opentempfd");
851 3840f4c9 2018-09-12 stsp outfd_child = dup(outfd);
852 3840f4c9 2018-09-12 stsp if (outfd_child == -1)
853 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
855 ebc55e2d 2018-12-24 stsp err = got_privsep_send_blob_req(pack->privsep_child->ibuf, -1, id, idx);
857 3840f4c9 2018-09-12 stsp return err;
859 3840f4c9 2018-09-12 stsp err = got_privsep_send_blob_outfd(pack->privsep_child->ibuf,
860 3840f4c9 2018-09-12 stsp outfd_child);
862 41496140 2019-02-21 stsp close(basefd);
863 41496140 2019-02-21 stsp close(accumfd);
864 3840f4c9 2018-09-12 stsp return err;
867 3840f4c9 2018-09-12 stsp err = got_privsep_send_tmpfd(pack->privsep_child->ibuf,
870 3840f4c9 2018-09-12 stsp close(accumfd);
871 3840f4c9 2018-09-12 stsp return err;
874 3840f4c9 2018-09-12 stsp err = got_privsep_send_tmpfd(pack->privsep_child->ibuf,
877 3840f4c9 2018-09-12 stsp return err;
879 ac544f8c 2019-01-13 stsp err = got_privsep_recv_blob(outbuf, size, hdrlen,
880 ebc55e2d 2018-12-24 stsp pack->privsep_child->ibuf);
882 3840f4c9 2018-09-12 stsp return err;
884 3840f4c9 2018-09-12 stsp if (lseek(outfd, SEEK_SET, 0) == -1)
885 638f9024 2019-05-13 stsp err = got_error_from_errno("lseek");
887 3840f4c9 2018-09-12 stsp return err;
890 ebc55e2d 2018-12-24 stsp static const struct got_error *
891 ac544f8c 2019-01-13 stsp read_packed_blob_privsep(uint8_t **outbuf, size_t *size, size_t *hdrlen,
892 ac544f8c 2019-01-13 stsp int outfd, struct got_pack *pack, struct got_packidx *packidx, int idx,
893 ebc55e2d 2018-12-24 stsp struct got_object_id *id)
895 68482ea3 2017-11-27 stsp const struct got_error *err = NULL;
897 ebc55e2d 2018-12-24 stsp if (pack->privsep_child == NULL) {
898 ebc55e2d 2018-12-24 stsp err = start_pack_privsep_child(pack, packidx);
900 ebc55e2d 2018-12-24 stsp return err;
903 ac544f8c 2019-01-13 stsp return request_packed_blob(outbuf, size, hdrlen, outfd, pack, packidx,
907 9f2369b0 2018-12-24 stsp static const struct got_error *
908 ac544f8c 2019-01-13 stsp request_blob(uint8_t **outbuf, size_t *size, size_t *hdrlen, int outfd,
909 ac544f8c 2019-01-13 stsp int infd, struct imsgbuf *ibuf)
911 9f2369b0 2018-12-24 stsp const struct got_error *err = NULL;
912 9f2369b0 2018-12-24 stsp int outfd_child;
914 9f2369b0 2018-12-24 stsp outfd_child = dup(outfd);
915 9f2369b0 2018-12-24 stsp if (outfd_child == -1)
916 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
918 9f2369b0 2018-12-24 stsp err = got_privsep_send_blob_req(ibuf, infd, NULL, -1);
920 9f2369b0 2018-12-24 stsp return err;
922 9f2369b0 2018-12-24 stsp err = got_privsep_send_blob_outfd(ibuf, outfd_child);
924 9f2369b0 2018-12-24 stsp return err;
926 ac544f8c 2019-01-13 stsp err = got_privsep_recv_blob(outbuf, size, hdrlen, ibuf);
928 9f2369b0 2018-12-24 stsp return err;
930 9f2369b0 2018-12-24 stsp if (lseek(outfd, SEEK_SET, 0) == -1)
931 638f9024 2019-05-13 stsp return got_error_from_errno("lseek");
933 9f2369b0 2018-12-24 stsp return err;
936 9f2369b0 2018-12-24 stsp static const struct got_error *
937 ac544f8c 2019-01-13 stsp read_blob_privsep(uint8_t **outbuf, size_t *size, size_t *hdrlen,
938 9f2369b0 2018-12-24 stsp int outfd, int infd, struct got_repository *repo)
940 9f2369b0 2018-12-24 stsp int imsg_fds[2];
942 9f2369b0 2018-12-24 stsp struct imsgbuf *ibuf;
944 9f2369b0 2018-12-24 stsp if (repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_BLOB].imsg_fd != -1) {
945 9f2369b0 2018-12-24 stsp ibuf = repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_BLOB].ibuf;
946 ac544f8c 2019-01-13 stsp return request_blob(outbuf, size, hdrlen, outfd, infd, ibuf);
949 9f2369b0 2018-12-24 stsp ibuf = calloc(1, sizeof(*ibuf));
950 9f2369b0 2018-12-24 stsp if (ibuf == NULL)
951 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
953 9f2369b0 2018-12-24 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_fds) == -1)
954 638f9024 2019-05-13 stsp return got_error_from_errno("socketpair");
956 9f2369b0 2018-12-24 stsp pid = fork();
957 9f2369b0 2018-12-24 stsp if (pid == -1)
958 638f9024 2019-05-13 stsp return got_error_from_errno("fork");
959 9f2369b0 2018-12-24 stsp else if (pid == 0) {
960 9f2369b0 2018-12-24 stsp exec_privsep_child(imsg_fds, GOT_PATH_PROG_READ_BLOB,
961 9f2369b0 2018-12-24 stsp repo->path);
962 9f2369b0 2018-12-24 stsp /* not reached */
965 3a6ce05a 2019-02-11 stsp if (close(imsg_fds[1]) != 0)
966 638f9024 2019-05-13 stsp return got_error_from_errno("close");
967 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_BLOB].imsg_fd =
968 9f2369b0 2018-12-24 stsp imsg_fds[0];
969 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_BLOB].pid = pid;
970 9f2369b0 2018-12-24 stsp imsg_init(ibuf, imsg_fds[0]);
971 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_BLOB].ibuf = ibuf;
973 ac544f8c 2019-01-13 stsp return request_blob(outbuf, size, hdrlen, outfd, infd, ibuf);
976 ebc55e2d 2018-12-24 stsp static const struct got_error *
977 ebc55e2d 2018-12-24 stsp open_blob(struct got_blob_object **blob, struct got_repository *repo,
978 ebc55e2d 2018-12-24 stsp struct got_object_id *id, size_t blocksize)
980 ebc55e2d 2018-12-24 stsp const struct got_error *err = NULL;
981 ebc55e2d 2018-12-24 stsp struct got_packidx *packidx = NULL;
983 8d2c5ea3 2019-08-13 stsp char *path_packfile = NULL;
984 ac544f8c 2019-01-13 stsp uint8_t *outbuf;
986 ebc55e2d 2018-12-24 stsp size_t size, hdrlen;
987 ebc55e2d 2018-12-24 stsp struct stat sb;
989 68482ea3 2017-11-27 stsp *blob = calloc(1, sizeof(**blob));
990 4558fcd4 2018-01-14 stsp if (*blob == NULL)
991 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
993 55da3778 2018-09-10 stsp outfd = got_opentempfd();
994 55da3778 2018-09-10 stsp if (outfd == -1)
995 638f9024 2019-05-13 stsp return got_error_from_errno("got_opentempfd");
997 062ebb78 2018-07-12 stsp (*blob)->read_buf = malloc(blocksize);
998 15c8b0e6 2018-04-24 stsp if ((*blob)->read_buf == NULL) {
999 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1000 c7254d79 2018-04-24 stsp goto done;
1003 e82b1d81 2019-07-27 stsp err = got_repo_search_packidx(&packidx, &idx, repo, id);
1004 e82b1d81 2019-07-27 stsp if (err == NULL) {
1005 ebc55e2d 2018-12-24 stsp struct got_pack *pack = NULL;
1007 ebc55e2d 2018-12-24 stsp err = get_packfile_path(&path_packfile, packidx);
1009 ebc55e2d 2018-12-24 stsp goto done;
1011 ebc55e2d 2018-12-24 stsp pack = got_repo_get_cached_pack(repo, path_packfile);
1012 55da3778 2018-09-10 stsp if (pack == NULL) {
1013 ebc55e2d 2018-12-24 stsp err = got_repo_cache_pack(&pack, repo, path_packfile,
1016 55da3778 2018-09-10 stsp goto done;
1018 ac544f8c 2019-01-13 stsp err = read_packed_blob_privsep(&outbuf, &size, &hdrlen, outfd,
1019 ac544f8c 2019-01-13 stsp pack, packidx, idx, id);
1020 e82b1d81 2019-07-27 stsp } else if (err->code == GOT_ERR_NO_OBJ) {
1023 e82b1d81 2019-07-27 stsp err = open_loose_object(&infd, id, repo);
1025 e82b1d81 2019-07-27 stsp goto done;
1026 ac544f8c 2019-01-13 stsp err = read_blob_privsep(&outbuf, &size, &hdrlen, outfd, infd,
1030 55da3778 2018-09-10 stsp goto done;
1032 de060dff 2018-12-24 stsp if (hdrlen > size) {
1033 ebc55e2d 2018-12-24 stsp err = got_error(GOT_ERR_BAD_OBJ_HDR);
1034 ebc55e2d 2018-12-24 stsp goto done;
1037 ac544f8c 2019-01-13 stsp if (outbuf) {
1038 3a6ce05a 2019-02-11 stsp if (close(outfd) != 0 && err == NULL)
1039 638f9024 2019-05-13 stsp err = got_error_from_errno("close");
1040 ac544f8c 2019-01-13 stsp outfd = -1;
1041 ac544f8c 2019-01-13 stsp (*blob)->f = fmemopen(outbuf, size, "rb");
1042 ac544f8c 2019-01-13 stsp if ((*blob)->f == NULL) {
1043 638f9024 2019-05-13 stsp err = got_error_from_errno("fmemopen");
1044 ac544f8c 2019-01-13 stsp free(outbuf);
1045 ac544f8c 2019-01-13 stsp goto done;
1047 ac544f8c 2019-01-13 stsp (*blob)->data = outbuf;
1049 ac544f8c 2019-01-13 stsp if (fstat(outfd, &sb) == -1) {
1050 638f9024 2019-05-13 stsp err = got_error_from_errno("fstat");
1051 ac544f8c 2019-01-13 stsp goto done;
1054 ac544f8c 2019-01-13 stsp if (sb.st_size != size) {
1055 ac544f8c 2019-01-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1056 ac544f8c 2019-01-13 stsp goto done;
1059 ac544f8c 2019-01-13 stsp (*blob)->f = fdopen(outfd, "rb");
1060 ac544f8c 2019-01-13 stsp if ((*blob)->f == NULL) {
1061 638f9024 2019-05-13 stsp err = got_error_from_errno("fdopen");
1062 ac544f8c 2019-01-13 stsp close(outfd);
1063 ac544f8c 2019-01-13 stsp outfd = -1;
1064 ac544f8c 2019-01-13 stsp goto done;
1068 ebc55e2d 2018-12-24 stsp (*blob)->hdrlen = hdrlen;
1069 eb651edf 2018-02-11 stsp (*blob)->blocksize = blocksize;
1070 ebc55e2d 2018-12-24 stsp memcpy(&(*blob)->id.sha1, id->sha1, SHA1_DIGEST_LENGTH);
1073 8d2c5ea3 2019-08-13 stsp free(path_packfile);
1074 55da3778 2018-09-10 stsp if (err) {
1075 55da3778 2018-09-10 stsp if (*blob) {
1076 7baf5860 2019-03-19 stsp got_object_blob_close(*blob);
1077 55da3778 2018-09-10 stsp *blob = NULL;
1078 55da3778 2018-09-10 stsp } else if (outfd != -1)
1079 55da3778 2018-09-10 stsp close(outfd);
1081 a19581a2 2018-06-21 stsp return err;
1084 a19581a2 2018-06-21 stsp const struct got_error *
1085 a19581a2 2018-06-21 stsp got_object_open_as_blob(struct got_blob_object **blob,
1086 a19581a2 2018-06-21 stsp struct got_repository *repo, struct got_object_id *id,
1087 a19581a2 2018-06-21 stsp size_t blocksize)
1089 ebc55e2d 2018-12-24 stsp return open_blob(blob, repo, id, blocksize);
1092 ebc55e2d 2018-12-24 stsp const struct got_error *
1093 ebc55e2d 2018-12-24 stsp got_object_blob_open(struct got_blob_object **blob,
1094 ebc55e2d 2018-12-24 stsp struct got_repository *repo, struct got_object *obj, size_t blocksize)
1096 ebc55e2d 2018-12-24 stsp return open_blob(blob, repo, got_object_get_id(obj), blocksize);
1099 fb43ecf1 2019-02-11 stsp const struct got_error *
1100 68482ea3 2017-11-27 stsp got_object_blob_close(struct got_blob_object *blob)
1102 fb43ecf1 2019-02-11 stsp const struct got_error *err = NULL;
1103 15c8b0e6 2018-04-24 stsp free(blob->read_buf);
1104 7baf5860 2019-03-19 stsp if (blob->f && fclose(blob->f) != 0)
1105 638f9024 2019-05-13 stsp err = got_error_from_errno("fclose");
1106 ac544f8c 2019-01-13 stsp free(blob->data);
1107 68482ea3 2017-11-27 stsp free(blob);
1108 fb43ecf1 2019-02-11 stsp return err;
1112 f934cf2c 2018-02-12 stsp got_object_blob_id_str(struct got_blob_object *blob, char *buf, size_t size)
1114 f934cf2c 2018-02-12 stsp return got_sha1_digest_to_str(blob->id.sha1, buf, size);
1118 f934cf2c 2018-02-12 stsp got_object_blob_get_hdrlen(struct got_blob_object *blob)
1120 f934cf2c 2018-02-12 stsp return blob->hdrlen;
1123 f934cf2c 2018-02-12 stsp const uint8_t *
1124 f934cf2c 2018-02-12 stsp got_object_blob_get_read_buf(struct got_blob_object *blob)
1126 f934cf2c 2018-02-12 stsp return blob->read_buf;
1129 68482ea3 2017-11-27 stsp const struct got_error *
1130 eb651edf 2018-02-11 stsp got_object_blob_read_block(size_t *outlenp, struct got_blob_object *blob)
1134 eb651edf 2018-02-11 stsp n = fread(blob->read_buf, 1, blob->blocksize, blob->f);
1135 eb651edf 2018-02-11 stsp if (n == 0 && ferror(blob->f))
1136 eb651edf 2018-02-11 stsp return got_ferror(blob->f, GOT_ERR_IO);
1137 eb651edf 2018-02-11 stsp *outlenp = n;
1138 35e9ba5d 2018-06-21 stsp return NULL;
1141 35e9ba5d 2018-06-21 stsp const struct got_error *
1142 f595d9bd 2019-08-14 stsp got_object_blob_dump_to_file(size_t *filesize, int *nlines,
1143 6c4c42e0 2019-06-24 stsp off_t **line_offsets, FILE *outfile, struct got_blob_object *blob)
1145 35e9ba5d 2018-06-21 stsp const struct got_error *err = NULL;
1146 b6752625 2018-12-24 stsp size_t n, len, hdrlen;
1147 84451b3e 2018-07-10 stsp const uint8_t *buf;
1149 6c4c42e0 2019-06-24 stsp size_t noffsets = 0;
1150 f595d9bd 2019-08-14 stsp off_t off = 0, total_len = 0;
1152 6c4c42e0 2019-06-24 stsp if (line_offsets)
1153 6c4c42e0 2019-06-24 stsp *line_offsets = NULL;
1154 f595d9bd 2019-08-14 stsp if (filesize)
1155 f595d9bd 2019-08-14 stsp *filesize = 0;
1156 84451b3e 2018-07-10 stsp if (nlines)
1157 84451b3e 2018-07-10 stsp *nlines = 0;
1159 35e9ba5d 2018-06-21 stsp hdrlen = got_object_blob_get_hdrlen(blob);
1161 35e9ba5d 2018-06-21 stsp err = got_object_blob_read_block(&len, blob);
1163 35e9ba5d 2018-06-21 stsp return err;
1164 35e9ba5d 2018-06-21 stsp if (len == 0)
1166 84451b3e 2018-07-10 stsp buf = got_object_blob_get_read_buf(blob);
1167 b02560ec 2019-08-19 stsp i = hdrlen;
1168 78695fb7 2019-08-12 stsp if (line_offsets && nlines) {
1169 78695fb7 2019-08-12 stsp if (*line_offsets == NULL) {
1170 78695fb7 2019-08-12 stsp /* Have some data but perhaps no '\n'. */
1171 78695fb7 2019-08-12 stsp noffsets = 1;
1172 78695fb7 2019-08-12 stsp *nlines = 1;
1173 f595d9bd 2019-08-14 stsp *line_offsets = calloc(1, sizeof(**line_offsets));
1174 78695fb7 2019-08-12 stsp if (*line_offsets == NULL)
1175 78695fb7 2019-08-12 stsp return got_error_from_errno("malloc");
1177 b02560ec 2019-08-19 stsp /* Skip forward over end of first line. */
1178 b02560ec 2019-08-19 stsp while (i < len) {
1179 b02560ec 2019-08-19 stsp if (buf[i] == '\n')
1184 b02560ec 2019-08-19 stsp /* Scan '\n' offsets in remaining chunk of data. */
1185 b02560ec 2019-08-19 stsp while (i < len) {
1186 b02560ec 2019-08-19 stsp if (buf[i] != '\n') {
1190 f595d9bd 2019-08-14 stsp (*nlines)++;
1191 78695fb7 2019-08-12 stsp if (noffsets < *nlines) {
1192 78695fb7 2019-08-12 stsp off_t *o = recallocarray(*line_offsets,
1193 78695fb7 2019-08-12 stsp noffsets, *nlines,
1194 78695fb7 2019-08-12 stsp sizeof(**line_offsets));
1195 78695fb7 2019-08-12 stsp if (o == NULL) {
1196 78695fb7 2019-08-12 stsp free(*line_offsets);
1197 78695fb7 2019-08-12 stsp *line_offsets = NULL;
1198 78695fb7 2019-08-12 stsp return got_error_from_errno(
1199 78695fb7 2019-08-12 stsp "recallocarray");
1201 78695fb7 2019-08-12 stsp *line_offsets = o;
1202 78695fb7 2019-08-12 stsp noffsets = *nlines;
1204 f595d9bd 2019-08-14 stsp off = total_len + i - hdrlen + 1;
1205 f595d9bd 2019-08-14 stsp (*line_offsets)[*nlines - 1] = off;
1209 35e9ba5d 2018-06-21 stsp /* Skip blob object header first time around. */
1210 454a6b59 2018-12-24 stsp n = fwrite(buf + hdrlen, 1, len - hdrlen, outfile);
1211 b6752625 2018-12-24 stsp if (n != len - hdrlen)
1212 b6752625 2018-12-24 stsp return got_ferror(outfile, GOT_ERR_IO);
1213 f595d9bd 2019-08-14 stsp total_len += len - hdrlen;
1214 35e9ba5d 2018-06-21 stsp hdrlen = 0;
1215 35e9ba5d 2018-06-21 stsp } while (len != 0);
1217 cbe7f848 2019-02-11 stsp if (fflush(outfile) != 0)
1218 638f9024 2019-05-13 stsp return got_error_from_errno("fflush");
1219 35e9ba5d 2018-06-21 stsp rewind(outfile);
1221 f595d9bd 2019-08-14 stsp if (filesize)
1222 f595d9bd 2019-08-14 stsp *filesize = total_len;
1224 776d4d29 2018-06-17 stsp return NULL;
1227 f4a881ce 2018-11-17 stsp static const struct got_error *
1228 268f7291 2018-12-24 stsp request_packed_tag(struct got_tag_object **tag, struct got_pack *pack,
1229 268f7291 2018-12-24 stsp int pack_idx, struct got_object_id *id)
1231 a158c901 2018-12-23 stsp const struct got_error *err = NULL;
1233 268f7291 2018-12-24 stsp err = got_privsep_send_tag_req(pack->privsep_child->ibuf, -1, id,
1234 268f7291 2018-12-24 stsp pack_idx);
1236 a158c901 2018-12-23 stsp return err;
1238 a158c901 2018-12-23 stsp return got_privsep_recv_tag(tag, pack->privsep_child->ibuf);
1241 268f7291 2018-12-24 stsp static const struct got_error *
1242 268f7291 2018-12-24 stsp read_packed_tag_privsep(struct got_tag_object **tag,
1243 268f7291 2018-12-24 stsp struct got_pack *pack, struct got_packidx *packidx, int idx,
1244 268f7291 2018-12-24 stsp struct got_object_id *id)
1246 268f7291 2018-12-24 stsp const struct got_error *err = NULL;
1248 268f7291 2018-12-24 stsp if (pack->privsep_child)
1249 268f7291 2018-12-24 stsp return request_packed_tag(tag, pack, idx, id);
1251 268f7291 2018-12-24 stsp err = start_pack_privsep_child(pack, packidx);
1253 268f7291 2018-12-24 stsp return err;
1255 268f7291 2018-12-24 stsp return request_packed_tag(tag, pack, idx, id);
1258 9f2369b0 2018-12-24 stsp static const struct got_error *
1259 9f2369b0 2018-12-24 stsp request_tag(struct got_tag_object **tag, struct got_repository *repo,
1262 9f2369b0 2018-12-24 stsp const struct got_error *err = NULL;
1263 9f2369b0 2018-12-24 stsp struct imsgbuf *ibuf;
1265 9f2369b0 2018-12-24 stsp ibuf = repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TAG].ibuf;
1267 9f2369b0 2018-12-24 stsp err = got_privsep_send_tag_req(ibuf, fd, NULL, -1);
1269 9f2369b0 2018-12-24 stsp return err;
1271 9f2369b0 2018-12-24 stsp return got_privsep_recv_tag(tag, ibuf);
1274 9f2369b0 2018-12-24 stsp static const struct got_error *
1275 9f2369b0 2018-12-24 stsp read_tag_privsep(struct got_tag_object **tag, int obj_fd,
1276 9f2369b0 2018-12-24 stsp struct got_repository *repo)
1278 9f2369b0 2018-12-24 stsp int imsg_fds[2];
1279 9f2369b0 2018-12-24 stsp pid_t pid;
1280 9f2369b0 2018-12-24 stsp struct imsgbuf *ibuf;
1282 9f2369b0 2018-12-24 stsp if (repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TAG].imsg_fd != -1)
1283 9f2369b0 2018-12-24 stsp return request_tag(tag, repo, obj_fd);
1285 9f2369b0 2018-12-24 stsp ibuf = calloc(1, sizeof(*ibuf));
1286 9f2369b0 2018-12-24 stsp if (ibuf == NULL)
1287 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
1289 9f2369b0 2018-12-24 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_fds) == -1)
1290 638f9024 2019-05-13 stsp return got_error_from_errno("socketpair");
1292 9f2369b0 2018-12-24 stsp pid = fork();
1293 9f2369b0 2018-12-24 stsp if (pid == -1)
1294 638f9024 2019-05-13 stsp return got_error_from_errno("fork");
1295 9f2369b0 2018-12-24 stsp else if (pid == 0) {
1296 9f2369b0 2018-12-24 stsp exec_privsep_child(imsg_fds, GOT_PATH_PROG_READ_TAG,
1297 9f2369b0 2018-12-24 stsp repo->path);
1298 9f2369b0 2018-12-24 stsp /* not reached */
1301 3a6ce05a 2019-02-11 stsp if (close(imsg_fds[1]) != 0)
1302 638f9024 2019-05-13 stsp return got_error_from_errno("close");
1303 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TAG].imsg_fd =
1304 9f2369b0 2018-12-24 stsp imsg_fds[0];
1305 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TAG].pid = pid;
1306 9f2369b0 2018-12-24 stsp imsg_init(ibuf, imsg_fds[0]);
1307 9f2369b0 2018-12-24 stsp repo->privsep_children[GOT_REPO_PRIVSEP_CHILD_TAG].ibuf = ibuf;
1309 9f2369b0 2018-12-24 stsp return request_tag(tag, repo, obj_fd);
1312 a158c901 2018-12-23 stsp static const struct got_error *
1313 268f7291 2018-12-24 stsp open_tag(struct got_tag_object **tag, struct got_repository *repo,
1314 268f7291 2018-12-24 stsp struct got_object_id *id, int check_cache)
1316 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1317 268f7291 2018-12-24 stsp struct got_packidx *packidx = NULL;
1319 8d2c5ea3 2019-08-13 stsp char *path_packfile = NULL;
1320 5d844a1e 2019-08-13 stsp struct got_object *obj = NULL;
1321 5d844a1e 2019-08-13 stsp int obj_type = GOT_OBJ_TYPE_ANY;
1323 f4a881ce 2018-11-17 stsp if (check_cache) {
1324 268f7291 2018-12-24 stsp *tag = got_repo_get_cached_tag(repo, id);
1325 f4a881ce 2018-11-17 stsp if (*tag != NULL) {
1326 f4a881ce 2018-11-17 stsp (*tag)->refcnt++;
1327 f4a881ce 2018-11-17 stsp return NULL;
1330 f4a881ce 2018-11-17 stsp *tag = NULL;
1332 e82b1d81 2019-07-27 stsp err = got_repo_search_packidx(&packidx, &idx, repo, id);
1333 e82b1d81 2019-07-27 stsp if (err == NULL) {
1334 268f7291 2018-12-24 stsp struct got_pack *pack = NULL;
1336 268f7291 2018-12-24 stsp err = get_packfile_path(&path_packfile, packidx);
1338 268f7291 2018-12-24 stsp return err;
1340 268f7291 2018-12-24 stsp pack = got_repo_get_cached_pack(repo, path_packfile);
1341 f4a881ce 2018-11-17 stsp if (pack == NULL) {
1342 e82b1d81 2019-07-27 stsp err = got_repo_cache_pack(&pack, repo, path_packfile,
1345 8d2c5ea3 2019-08-13 stsp goto done;
1348 5d844a1e 2019-08-13 stsp /* Beware of "leightweight" tags: Check object type first. */
1349 5d844a1e 2019-08-13 stsp err = read_packed_object_privsep(&obj, repo, pack, packidx,
1352 5d844a1e 2019-08-13 stsp goto done;
1353 5d844a1e 2019-08-13 stsp obj_type = obj->type;
1354 5d844a1e 2019-08-13 stsp got_object_close(obj);
1355 5d844a1e 2019-08-13 stsp if (obj_type != GOT_OBJ_TYPE_TAG) {
1356 5d844a1e 2019-08-13 stsp err = got_error(GOT_ERR_OBJ_TYPE);
1357 5d844a1e 2019-08-13 stsp goto done;
1359 5d844a1e 2019-08-13 stsp err = read_packed_tag_privsep(tag, pack, packidx, idx, id);
1360 e82b1d81 2019-07-27 stsp } else if (err->code == GOT_ERR_NO_OBJ) {
1363 e82b1d81 2019-07-27 stsp err = open_loose_object(&fd, id, repo);
1365 e82b1d81 2019-07-27 stsp return err;
1366 5d844a1e 2019-08-13 stsp err = read_object_header_privsep(&obj, repo, fd);
1368 5d844a1e 2019-08-13 stsp return err;
1369 5d844a1e 2019-08-13 stsp obj_type = obj->type;
1370 5d844a1e 2019-08-13 stsp got_object_close(obj);
1371 5d844a1e 2019-08-13 stsp if (obj_type != GOT_OBJ_TYPE_TAG)
1372 5d844a1e 2019-08-13 stsp return got_error(GOT_ERR_OBJ_TYPE);
1374 5d844a1e 2019-08-13 stsp err = open_loose_object(&fd, id, repo);
1376 5d844a1e 2019-08-13 stsp return err;
1377 9f2369b0 2018-12-24 stsp err = read_tag_privsep(tag, fd, repo);
1380 f4a881ce 2018-11-17 stsp if (err == NULL) {
1381 f4a881ce 2018-11-17 stsp (*tag)->refcnt++;
1382 268f7291 2018-12-24 stsp err = got_repo_cache_tag(repo, id, *tag);
1385 8d2c5ea3 2019-08-13 stsp free(path_packfile);
1386 f4a881ce 2018-11-17 stsp return err;
1389 f4a881ce 2018-11-17 stsp const struct got_error *
1390 f4a881ce 2018-11-17 stsp got_object_open_as_tag(struct got_tag_object **tag,
1391 f4a881ce 2018-11-17 stsp struct got_repository *repo, struct got_object_id *id)
1393 f4a881ce 2018-11-17 stsp *tag = got_repo_get_cached_tag(repo, id);
1394 f4a881ce 2018-11-17 stsp if (*tag != NULL) {
1395 f4a881ce 2018-11-17 stsp (*tag)->refcnt++;
1396 f4a881ce 2018-11-17 stsp return NULL;
1399 268f7291 2018-12-24 stsp return open_tag(tag, repo, id, 0);
1402 f4a881ce 2018-11-17 stsp const struct got_error *
1403 f4a881ce 2018-11-17 stsp got_object_tag_open(struct got_tag_object **tag,
1404 f4a881ce 2018-11-17 stsp struct got_repository *repo, struct got_object *obj)
1406 268f7291 2018-12-24 stsp return open_tag(tag, repo, got_object_get_id(obj), 1);
1409 d24820bf 2019-08-11 stsp const char *
1410 d24820bf 2019-08-11 stsp got_object_tag_get_name(struct got_tag_object *tag)
1412 d24820bf 2019-08-11 stsp return tag->tag;
1416 0bd18d37 2019-02-01 stsp got_object_tag_get_object_type(struct got_tag_object *tag)
1418 0bd18d37 2019-02-01 stsp return tag->obj_type;
1421 0bd18d37 2019-02-01 stsp struct got_object_id *
1422 0bd18d37 2019-02-01 stsp got_object_tag_get_object_id(struct got_tag_object *tag)
1424 0bd18d37 2019-02-01 stsp return &tag->id;
1427 776d4d29 2018-06-17 stsp static struct got_tree_entry *
1428 65a9bbe9 2018-09-15 stsp find_entry_by_name(struct got_tree_object *tree, const char *name, size_t len)
1430 776d4d29 2018-06-17 stsp struct got_tree_entry *te;
1432 63da309a 2018-11-07 stsp /* Note that tree entries are sorted in strncmp() order. */
1433 883f0469 2018-06-23 stsp SIMPLEQ_FOREACH(te, &tree->entries.head, entry) {
1434 63da309a 2018-11-07 stsp int cmp = strncmp(te->name, name, len);
1435 63da309a 2018-11-07 stsp if (cmp < 0)
1437 63da309a 2018-11-07 stsp if (cmp > 0)
1439 63da309a 2018-11-07 stsp if (te->name[len] == '\0')
1440 776d4d29 2018-06-17 stsp return te;
1442 eb651edf 2018-02-11 stsp return NULL;
1445 a129376b 2019-03-28 stsp const struct got_tree_entry *
1446 a129376b 2019-03-28 stsp got_object_tree_find_entry(struct got_tree_object *tree, const char *name)
1448 a129376b 2019-03-28 stsp return find_entry_by_name(tree, name, strlen(name));
1451 776d4d29 2018-06-17 stsp const struct got_error *
1452 27d434c2 2018-09-15 stsp got_object_id_by_path(struct got_object_id **id, struct got_repository *repo,
1453 776d4d29 2018-06-17 stsp struct got_object_id *commit_id, const char *path)
1455 776d4d29 2018-06-17 stsp const struct got_error *err = NULL;
1456 776d4d29 2018-06-17 stsp struct got_commit_object *commit = NULL;
1457 776d4d29 2018-06-17 stsp struct got_tree_object *tree = NULL;
1458 db37e2c0 2018-06-21 stsp struct got_tree_entry *te = NULL;
1459 65a9bbe9 2018-09-15 stsp const char *seg, *s;
1460 b7cd37e5 2018-11-18 stsp size_t seglen;
1462 27d434c2 2018-09-15 stsp *id = NULL;
1464 776d4d29 2018-06-17 stsp err = got_object_open_as_commit(&commit, repo, commit_id);
1466 776d4d29 2018-06-17 stsp goto done;
1468 776d4d29 2018-06-17 stsp /* Handle opening of root of commit's tree. */
1469 5e54fb30 2019-05-31 stsp if (got_path_is_root_dir(path)) {
1470 27d434c2 2018-09-15 stsp *id = got_object_id_dup(commit->tree_id);
1471 27d434c2 2018-09-15 stsp if (*id == NULL)
1472 638f9024 2019-05-13 stsp err = got_error_from_errno("got_object_id_dup");
1473 ca008b32 2018-07-22 stsp goto done;
1476 776d4d29 2018-06-17 stsp err = got_object_open_as_tree(&tree, repo, commit->tree_id);
1478 776d4d29 2018-06-17 stsp goto done;
1481 5e54fb30 2019-05-31 stsp while (s[0] == '/')
1484 65a9bbe9 2018-09-15 stsp seglen = 0;
1485 b7cd37e5 2018-11-18 stsp while (*s) {
1486 776d4d29 2018-06-17 stsp struct got_tree_object *next_tree;
1488 776d4d29 2018-06-17 stsp if (*s != '/') {
1495 65a9bbe9 2018-09-15 stsp te = find_entry_by_name(tree, seg, seglen);
1496 db37e2c0 2018-06-21 stsp if (te == NULL) {
1497 d1451975 2018-11-11 stsp err = got_error(GOT_ERR_NO_TREE_ENTRY);
1498 776d4d29 2018-06-17 stsp goto done;
1501 b7cd37e5 2018-11-18 stsp if (*s == '\0')
1504 776d4d29 2018-06-17 stsp seg = s + 1;
1505 65a9bbe9 2018-09-15 stsp seglen = 0;
1508 776d4d29 2018-06-17 stsp err = got_object_open_as_tree(&next_tree, repo,
1510 db37e2c0 2018-06-21 stsp te = NULL;
1512 776d4d29 2018-06-17 stsp goto done;
1513 776d4d29 2018-06-17 stsp got_object_tree_close(tree);
1514 776d4d29 2018-06-17 stsp tree = next_tree;
1519 27d434c2 2018-09-15 stsp *id = got_object_id_dup(te->id);
1520 27d434c2 2018-09-15 stsp if (*id == NULL)
1521 638f9024 2019-05-13 stsp return got_error_from_errno("got_object_id_dup");
1523 d1451975 2018-11-11 stsp err = got_error(GOT_ERR_NO_TREE_ENTRY);
1525 776d4d29 2018-06-17 stsp if (commit)
1526 776d4d29 2018-06-17 stsp got_object_commit_close(commit);
1528 776d4d29 2018-06-17 stsp got_object_tree_close(tree);
1529 776d4d29 2018-06-17 stsp return err;
1532 07862c20 2018-09-15 stsp const struct got_error *
1533 07862c20 2018-09-15 stsp got_object_tree_path_changed(int *changed,
1534 07862c20 2018-09-15 stsp struct got_tree_object *tree01, struct got_tree_object *tree02,
1535 07862c20 2018-09-15 stsp const char *path, struct got_repository *repo)
1537 07862c20 2018-09-15 stsp const struct got_error *err = NULL;
1538 07862c20 2018-09-15 stsp struct got_tree_object *tree1 = NULL, *tree2 = NULL;
1539 07862c20 2018-09-15 stsp struct got_tree_entry *te1 = NULL, *te2 = NULL;
1540 65a9bbe9 2018-09-15 stsp const char *seg, *s;
1541 3b7f9878 2018-11-18 stsp size_t seglen;
1543 07862c20 2018-09-15 stsp *changed = 0;
1545 07862c20 2018-09-15 stsp /* We are expecting an absolute in-repository path. */
1546 07862c20 2018-09-15 stsp if (path[0] != '/')
1547 07862c20 2018-09-15 stsp return got_error(GOT_ERR_NOT_ABSPATH);
1549 07862c20 2018-09-15 stsp /* We not do support comparing the root path. */
1550 07862c20 2018-09-15 stsp if (path[1] == '\0')
1551 07862c20 2018-09-15 stsp return got_error(GOT_ERR_BAD_PATH);
1553 07862c20 2018-09-15 stsp tree1 = tree01;
1554 07862c20 2018-09-15 stsp tree2 = tree02;
1556 07862c20 2018-09-15 stsp s++; /* skip leading '/' */
1558 65a9bbe9 2018-09-15 stsp seglen = 0;
1559 3b7f9878 2018-11-18 stsp while (*s) {
1560 07862c20 2018-09-15 stsp struct got_tree_object *next_tree1, *next_tree2;
1562 07862c20 2018-09-15 stsp if (*s != '/') {
1569 65a9bbe9 2018-09-15 stsp te1 = find_entry_by_name(tree1, seg, seglen);
1570 07862c20 2018-09-15 stsp if (te1 == NULL) {
1571 07862c20 2018-09-15 stsp err = got_error(GOT_ERR_NO_OBJ);
1572 07862c20 2018-09-15 stsp goto done;
1575 65a9bbe9 2018-09-15 stsp te2 = find_entry_by_name(tree2, seg, seglen);
1576 07862c20 2018-09-15 stsp if (te2 == NULL) {
1577 07862c20 2018-09-15 stsp *changed = 1;
1578 07862c20 2018-09-15 stsp goto done;
1581 07862c20 2018-09-15 stsp if (te1->mode != te2->mode) {
1582 07862c20 2018-09-15 stsp *changed = 1;
1583 07862c20 2018-09-15 stsp goto done;
1586 07862c20 2018-09-15 stsp if (got_object_id_cmp(te1->id, te2->id) == 0) {
1587 07862c20 2018-09-15 stsp *changed = 0;
1588 07862c20 2018-09-15 stsp goto done;
1591 3b7f9878 2018-11-18 stsp if (*s == '\0') { /* final path element */
1592 07862c20 2018-09-15 stsp *changed = 1;
1593 07862c20 2018-09-15 stsp goto done;
1596 07862c20 2018-09-15 stsp seg = s + 1;
1598 65a9bbe9 2018-09-15 stsp seglen = 0;
1600 07862c20 2018-09-15 stsp err = got_object_open_as_tree(&next_tree1, repo,
1602 07862c20 2018-09-15 stsp te1 = NULL;
1604 07862c20 2018-09-15 stsp goto done;
1605 a31cea73 2018-09-15 stsp if (tree1 != tree01)
1606 a31cea73 2018-09-15 stsp got_object_tree_close(tree1);
1607 07862c20 2018-09-15 stsp tree1 = next_tree1;
1609 07862c20 2018-09-15 stsp err = got_object_open_as_tree(&next_tree2, repo,
1611 07862c20 2018-09-15 stsp te2 = NULL;
1613 07862c20 2018-09-15 stsp goto done;
1614 a31cea73 2018-09-15 stsp if (tree2 != tree02)
1615 a31cea73 2018-09-15 stsp got_object_tree_close(tree2);
1616 07862c20 2018-09-15 stsp tree2 = next_tree2;
1620 a31cea73 2018-09-15 stsp if (tree1 && tree1 != tree01)
1621 07862c20 2018-09-15 stsp got_object_tree_close(tree1);
1622 a31cea73 2018-09-15 stsp if (tree2 && tree2 != tree02)
1623 07862c20 2018-09-15 stsp got_object_tree_close(tree2);
1624 77880158 2018-11-04 stsp return err;
1627 ed175427 2019-05-09 stsp const struct got_error *
1628 ed175427 2019-05-09 stsp got_object_tree_entry_dup(struct got_tree_entry **new_te,
1629 ed175427 2019-05-09 stsp struct got_tree_entry *te)
1631 ed175427 2019-05-09 stsp const struct got_error *err = NULL;
1633 ed175427 2019-05-09 stsp *new_te = calloc(1, sizeof(**new_te));
1634 ed175427 2019-05-09 stsp if (*new_te == NULL)
1635 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
1637 ed175427 2019-05-09 stsp (*new_te)->mode = te->mode;
1638 ed175427 2019-05-09 stsp (*new_te)->name = strdup(te->name);
1639 ed175427 2019-05-09 stsp if ((*new_te)->name == NULL) {
1640 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1641 8c4eabf2 2019-05-10 stsp goto done;
1644 ed175427 2019-05-09 stsp (*new_te)->id = got_object_id_dup(te->id);
1645 ed175427 2019-05-09 stsp if ((*new_te)->id == NULL) {
1646 638f9024 2019-05-13 stsp err = got_error_from_errno("got_object_id_dup");
1647 8c4eabf2 2019-05-10 stsp goto done;
1650 8c4eabf2 2019-05-10 stsp if (err) {
1651 8c4eabf2 2019-05-10 stsp got_object_tree_entry_close(*new_te);
1652 8c4eabf2 2019-05-10 stsp *new_te = NULL;
1654 8c4eabf2 2019-05-10 stsp return err;