2 5aa81393 2020-01-06 stsp * Copyright (c) 2018, 2019, 2020 Stefan Sperling <stsp@openbsd.org>
4 876c234b 2018-09-10 stsp * Permission to use, copy, modify, and distribute this software for any
5 876c234b 2018-09-10 stsp * purpose with or without fee is hereby granted, provided that the above
6 876c234b 2018-09-10 stsp * copyright notice and this permission notice appear in all copies.
8 876c234b 2018-09-10 stsp * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 876c234b 2018-09-10 stsp * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 876c234b 2018-09-10 stsp * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 876c234b 2018-09-10 stsp * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 876c234b 2018-09-10 stsp * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 876c234b 2018-09-10 stsp * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 876c234b 2018-09-10 stsp * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 0ab4c957 2022-06-13 stsp #include <sys/stat.h>
18 876c234b 2018-09-10 stsp #include <sys/types.h>
19 876c234b 2018-09-10 stsp #include <sys/queue.h>
20 876c234b 2018-09-10 stsp #include <sys/uio.h>
21 876c234b 2018-09-10 stsp #include <sys/time.h>
22 876c234b 2018-09-10 stsp #include <sys/mman.h>
24 756050ac 2022-07-19 op #include <inttypes.h>
25 876c234b 2018-09-10 stsp #include <limits.h>
26 99437157 2018-11-11 stsp #include <signal.h>
27 876c234b 2018-09-10 stsp #include <stdint.h>
28 876c234b 2018-09-10 stsp #include <imsg.h>
29 876c234b 2018-09-10 stsp #include <stdio.h>
30 876c234b 2018-09-10 stsp #include <stdlib.h>
31 876c234b 2018-09-10 stsp #include <string.h>
32 876c234b 2018-09-10 stsp #include <sha1.h>
33 5822e79e 2023-02-23 op #include <sha2.h>
34 81a12da5 2020-09-09 naddy #include <unistd.h>
35 876c234b 2018-09-10 stsp #include <zlib.h>
37 876c234b 2018-09-10 stsp #include "got_error.h"
38 876c234b 2018-09-10 stsp #include "got_object.h"
39 3022d272 2019-11-14 stsp #include "got_path.h"
41 876c234b 2018-09-10 stsp #include "got_lib_delta.h"
42 ab2f42e7 2019-11-10 stsp #include "got_lib_delta_cache.h"
43 876c234b 2018-09-10 stsp #include "got_lib_object.h"
44 c59b3346 2018-09-11 stsp #include "got_lib_object_cache.h"
45 876c234b 2018-09-10 stsp #include "got_lib_object_parse.h"
46 fae7e038 2022-05-07 stsp #include "got_lib_object_idset.h"
47 876c234b 2018-09-10 stsp #include "got_lib_privsep.h"
48 876c234b 2018-09-10 stsp #include "got_lib_pack.h"
50 61af9b21 2022-06-28 stsp #ifndef nitems
51 61af9b21 2022-06-28 stsp #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
54 99437157 2018-11-11 stsp static volatile sig_atomic_t sigint_received;
57 99437157 2018-11-11 stsp catch_sigint(int signo)
59 99437157 2018-11-11 stsp sigint_received = 1;
62 876c234b 2018-09-10 stsp static const struct got_error *
63 704b89c4 2019-05-23 stsp open_object(struct got_object **obj, struct got_pack *pack,
64 704b89c4 2019-05-23 stsp struct got_packidx *packidx, int idx, struct got_object_id *id,
65 704b89c4 2019-05-23 stsp struct got_object_cache *objcache)
67 704b89c4 2019-05-23 stsp const struct got_error *err;
69 704b89c4 2019-05-23 stsp err = got_packfile_open_object(obj, pack, packidx, idx, id);
72 704b89c4 2019-05-23 stsp (*obj)->refcnt++;
74 704b89c4 2019-05-23 stsp err = got_object_cache_add(objcache, id, *obj);
76 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
77 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
81 704b89c4 2019-05-23 stsp (*obj)->refcnt++;
82 704b89c4 2019-05-23 stsp return NULL;
85 704b89c4 2019-05-23 stsp static const struct got_error *
86 876c234b 2018-09-10 stsp object_request(struct imsg *imsg, struct imsgbuf *ibuf, struct got_pack *pack,
87 c59b3346 2018-09-11 stsp struct got_packidx *packidx, struct got_object_cache *objcache)
89 876c234b 2018-09-10 stsp const struct got_error *err = NULL;
90 876c234b 2018-09-10 stsp struct got_imsg_packed_object iobj;
91 876c234b 2018-09-10 stsp struct got_object *obj;
92 106807b4 2018-09-15 stsp struct got_object_id id;
93 876c234b 2018-09-10 stsp size_t datalen;
95 876c234b 2018-09-10 stsp datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
96 876c234b 2018-09-10 stsp if (datalen != sizeof(iobj))
97 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
98 876c234b 2018-09-10 stsp memcpy(&iobj, imsg->data, sizeof(iobj));
99 265df21f 2023-01-31 op memcpy(&id, &iobj.id, sizeof(id));
101 704b89c4 2019-05-23 stsp obj = got_object_cache_get(objcache, &id);
103 704b89c4 2019-05-23 stsp obj->refcnt++;
105 704b89c4 2019-05-23 stsp err = open_object(&obj, pack, packidx, iobj.idx, &id,
111 876c234b 2018-09-10 stsp err = got_privsep_send_obj(ibuf, obj);
113 876c234b 2018-09-10 stsp got_object_close(obj);
114 876c234b 2018-09-10 stsp return err;
117 50127d69 2021-09-25 stsp static const struct got_error *
118 ca6e02ac 2020-01-07 stsp open_commit(struct got_commit_object **commit, struct got_pack *pack,
119 ca6e02ac 2020-01-07 stsp struct got_packidx *packidx, int obj_idx, struct got_object_id *id,
120 ca6e02ac 2020-01-07 stsp struct got_object_cache *objcache)
122 cfd633c2 2018-09-10 stsp const struct got_error *err = NULL;
123 cb5e38fd 2019-05-23 stsp struct got_object *obj = NULL;
124 cb5e38fd 2019-05-23 stsp uint8_t *buf = NULL;
125 cfd633c2 2018-09-10 stsp size_t len;
127 ca6e02ac 2020-01-07 stsp *commit = NULL;
129 ca6e02ac 2020-01-07 stsp obj = got_object_cache_get(objcache, id);
131 704b89c4 2019-05-23 stsp obj->refcnt++;
133 ca6e02ac 2020-01-07 stsp err = open_object(&obj, pack, packidx, obj_idx, id,
136 704b89c4 2019-05-23 stsp return err;
139 cfd633c2 2018-09-10 stsp err = got_packfile_extract_object_to_mem(&buf, &len, obj, pack);
143 cfd633c2 2018-09-10 stsp obj->size = len;
145 ca6e02ac 2020-01-07 stsp err = got_object_parse_commit(commit, buf, len);
147 ca6e02ac 2020-01-07 stsp got_object_close(obj);
149 ca6e02ac 2020-01-07 stsp return err;
152 ca6e02ac 2020-01-07 stsp static const struct got_error *
153 ca6e02ac 2020-01-07 stsp commit_request(struct imsg *imsg, struct imsgbuf *ibuf, struct got_pack *pack,
154 ca6e02ac 2020-01-07 stsp struct got_packidx *packidx, struct got_object_cache *objcache)
156 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
157 ca6e02ac 2020-01-07 stsp struct got_imsg_packed_object iobj;
158 ca6e02ac 2020-01-07 stsp struct got_commit_object *commit = NULL;
159 ca6e02ac 2020-01-07 stsp struct got_object_id id;
160 ca6e02ac 2020-01-07 stsp size_t datalen;
162 ca6e02ac 2020-01-07 stsp datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
163 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(iobj))
164 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
165 ca6e02ac 2020-01-07 stsp memcpy(&iobj, imsg->data, sizeof(iobj));
166 265df21f 2023-01-31 op memcpy(&id, &iobj.id, sizeof(id));
168 ca6e02ac 2020-01-07 stsp err = open_commit(&commit, pack, packidx, iobj.idx, &id, objcache);
172 cfd633c2 2018-09-10 stsp err = got_privsep_send_commit(ibuf, commit);
174 cb5e38fd 2019-05-23 stsp if (commit)
175 cb5e38fd 2019-05-23 stsp got_object_commit_close(commit);
177 7762fe12 2018-11-05 stsp if (err->code == GOT_ERR_PRIVSEP_PIPE)
178 7762fe12 2018-11-05 stsp err = NULL;
180 7762fe12 2018-11-05 stsp got_privsep_send_error(ibuf, err);
183 7762fe12 2018-11-05 stsp return err;
186 50127d69 2021-09-25 stsp static const struct got_error *
187 d294b1dc 2022-10-18 stsp open_tree(uint8_t **buf, struct got_parsed_tree_entry **entries, size_t *nentries,
188 d294b1dc 2022-10-18 stsp size_t *nentries_alloc, struct got_pack *pack, struct got_packidx *packidx,
189 d294b1dc 2022-10-18 stsp int obj_idx, struct got_object_id *id, struct got_object_cache *objcache)
191 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
192 ca6e02ac 2020-01-07 stsp struct got_object *obj = NULL;
193 ca6e02ac 2020-01-07 stsp size_t len;
195 ca6e02ac 2020-01-07 stsp *buf = NULL;
196 ca6e02ac 2020-01-07 stsp *nentries = 0;
198 ca6e02ac 2020-01-07 stsp obj = got_object_cache_get(objcache, id);
200 ca6e02ac 2020-01-07 stsp obj->refcnt++;
202 ca6e02ac 2020-01-07 stsp err = open_object(&obj, pack, packidx, obj_idx, id,
205 ca6e02ac 2020-01-07 stsp return err;
208 ca6e02ac 2020-01-07 stsp err = got_packfile_extract_object_to_mem(buf, &len, obj, pack);
212 ca6e02ac 2020-01-07 stsp obj->size = len;
214 d294b1dc 2022-10-18 stsp err = got_object_parse_tree(entries, nentries, nentries_alloc,
215 d294b1dc 2022-10-18 stsp *buf, len);
217 ca6e02ac 2020-01-07 stsp got_object_close(obj);
219 ca6e02ac 2020-01-07 stsp free(*buf);
220 ca6e02ac 2020-01-07 stsp *buf = NULL;
222 ca6e02ac 2020-01-07 stsp return err;
225 7762fe12 2018-11-05 stsp static const struct got_error *
226 876c234b 2018-09-10 stsp tree_request(struct imsg *imsg, struct imsgbuf *ibuf, struct got_pack *pack,
227 d294b1dc 2022-10-18 stsp struct got_packidx *packidx, struct got_object_cache *objcache,
228 d294b1dc 2022-10-18 stsp struct got_parsed_tree_entry **entries, size_t *nentries,
229 d294b1dc 2022-10-18 stsp size_t *nentries_alloc)
231 e7885405 2018-09-10 stsp const struct got_error *err = NULL;
232 13c729f7 2018-12-24 stsp struct got_imsg_packed_object iobj;
233 cb5e38fd 2019-05-23 stsp uint8_t *buf = NULL;
234 13c729f7 2018-12-24 stsp struct got_object_id id;
235 13c729f7 2018-12-24 stsp size_t datalen;
237 13c729f7 2018-12-24 stsp datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
238 13c729f7 2018-12-24 stsp if (datalen != sizeof(iobj))
239 13c729f7 2018-12-24 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
240 13c729f7 2018-12-24 stsp memcpy(&iobj, imsg->data, sizeof(iobj));
241 265df21f 2023-01-31 op memcpy(&id, &iobj.id, sizeof(id));
243 d294b1dc 2022-10-18 stsp err = open_tree(&buf, entries, nentries, nentries_alloc,
244 d294b1dc 2022-10-18 stsp pack, packidx, iobj.idx, &id, objcache);
246 ca6e02ac 2020-01-07 stsp return err;
248 d294b1dc 2022-10-18 stsp err = got_privsep_send_tree(ibuf, *entries, *nentries);
251 e7885405 2018-09-10 stsp if (err->code == GOT_ERR_PRIVSEP_PIPE)
252 e7885405 2018-09-10 stsp err = NULL;
254 e7885405 2018-09-10 stsp got_privsep_send_error(ibuf, err);
257 e7885405 2018-09-10 stsp return err;
260 876c234b 2018-09-10 stsp static const struct got_error *
261 030daac8 2021-09-25 stsp receive_file(FILE **f, struct imsgbuf *ibuf, uint32_t imsg_code)
263 3840f4c9 2018-09-12 stsp const struct got_error *err;
264 3840f4c9 2018-09-12 stsp struct imsg imsg;
265 55da3778 2018-09-10 stsp size_t datalen;
267 3840f4c9 2018-09-12 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
269 55da3778 2018-09-10 stsp return err;
271 3840f4c9 2018-09-12 stsp if (imsg.hdr.type != imsg_code) {
272 55da3778 2018-09-10 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
276 3840f4c9 2018-09-12 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
277 55da3778 2018-09-10 stsp if (datalen != 0) {
278 55da3778 2018-09-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
281 3840f4c9 2018-09-12 stsp if (imsg.fd == -1) {
282 55da3778 2018-09-10 stsp err = got_error(GOT_ERR_PRIVSEP_NO_FD);
286 3840f4c9 2018-09-12 stsp *f = fdopen(imsg.fd, "w+");
287 3840f4c9 2018-09-12 stsp if (*f == NULL) {
288 638f9024 2019-05-13 stsp err = got_error_from_errno("fdopen");
289 3a6ce05a 2019-02-11 stsp close(imsg.fd);
293 3840f4c9 2018-09-12 stsp imsg_free(&imsg);
294 3840f4c9 2018-09-12 stsp return err;
297 db696021 2022-01-04 stsp static const struct got_error *
298 67fd6849 2022-02-13 stsp receive_tempfile(FILE **f, const char *mode, struct imsg *imsg,
299 db696021 2022-01-04 stsp struct imsgbuf *ibuf)
301 db696021 2022-01-04 stsp size_t datalen;
303 db696021 2022-01-04 stsp datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
304 db696021 2022-01-04 stsp if (datalen != 0)
305 db696021 2022-01-04 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
307 db696021 2022-01-04 stsp if (imsg->fd == -1)
308 db696021 2022-01-04 stsp return got_error(GOT_ERR_PRIVSEP_NO_FD);
310 67fd6849 2022-02-13 stsp *f = fdopen(imsg->fd, mode);
311 db696021 2022-01-04 stsp if (*f == NULL)
312 db696021 2022-01-04 stsp return got_error_from_errno("fdopen");
313 db696021 2022-01-04 stsp imsg->fd = -1;
315 db696021 2022-01-04 stsp return NULL;
318 3840f4c9 2018-09-12 stsp static const struct got_error *
319 3840f4c9 2018-09-12 stsp blob_request(struct imsg *imsg, struct imsgbuf *ibuf, struct got_pack *pack,
320 db696021 2022-01-04 stsp struct got_packidx *packidx, struct got_object_cache *objcache,
321 db696021 2022-01-04 stsp FILE *basefile, FILE *accumfile)
323 3840f4c9 2018-09-12 stsp const struct got_error *err = NULL;
324 ebc55e2d 2018-12-24 stsp struct got_imsg_packed_object iobj;
325 3840f4c9 2018-09-12 stsp struct got_object *obj = NULL;
326 db696021 2022-01-04 stsp FILE *outfile = NULL;
327 ebc55e2d 2018-12-24 stsp struct got_object_id id;
328 ebc55e2d 2018-12-24 stsp size_t datalen;
329 ac544f8c 2019-01-13 stsp uint64_t blob_size;
330 ac544f8c 2019-01-13 stsp uint8_t *buf = NULL;
332 ebc55e2d 2018-12-24 stsp datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
333 ebc55e2d 2018-12-24 stsp if (datalen != sizeof(iobj))
334 ebc55e2d 2018-12-24 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
335 ebc55e2d 2018-12-24 stsp memcpy(&iobj, imsg->data, sizeof(iobj));
336 265df21f 2023-01-31 op memcpy(&id, &iobj.id, sizeof(id));
338 704b89c4 2019-05-23 stsp obj = got_object_cache_get(objcache, &id);
340 704b89c4 2019-05-23 stsp obj->refcnt++;
342 704b89c4 2019-05-23 stsp err = open_object(&obj, pack, packidx, iobj.idx, &id,
345 704b89c4 2019-05-23 stsp return err;
348 3840f4c9 2018-09-12 stsp err = receive_file(&outfile, ibuf, GOT_IMSG_BLOB_OUTFD);
352 ac544f8c 2019-01-13 stsp if (obj->flags & GOT_OBJ_FLAG_DELTIFIED) {
353 42c69117 2019-11-10 stsp err = got_pack_get_max_delta_object_size(&blob_size, obj, pack);
357 ac544f8c 2019-01-13 stsp blob_size = obj->size;
359 ac544f8c 2019-01-13 stsp if (blob_size <= GOT_PRIVSEP_INLINE_BLOB_DATA_MAX)
360 ac544f8c 2019-01-13 stsp err = got_packfile_extract_object_to_mem(&buf, &obj->size,
361 ac544f8c 2019-01-13 stsp obj, pack);
363 ac544f8c 2019-01-13 stsp err = got_packfile_extract_object(pack, obj, outfile, basefile,
364 ac544f8c 2019-01-13 stsp accumfile);
368 ac544f8c 2019-01-13 stsp err = got_privsep_send_blob(ibuf, obj->size, obj->hdrlen, buf);
371 56b63ca4 2021-01-22 stsp if (outfile && fclose(outfile) == EOF && err == NULL)
372 638f9024 2019-05-13 stsp err = got_error_from_errno("fclose");
373 cb5e38fd 2019-05-23 stsp got_object_close(obj);
374 3840f4c9 2018-09-12 stsp if (err && err->code != GOT_ERR_PRIVSEP_PIPE)
375 3840f4c9 2018-09-12 stsp got_privsep_send_error(ibuf, err);
377 55da3778 2018-09-10 stsp return err;
380 876c234b 2018-09-10 stsp static const struct got_error *
381 f4a881ce 2018-11-17 stsp tag_request(struct imsg *imsg, struct imsgbuf *ibuf, struct got_pack *pack,
382 f4a881ce 2018-11-17 stsp struct got_packidx *packidx, struct got_object_cache *objcache)
384 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
385 268f7291 2018-12-24 stsp struct got_imsg_packed_object iobj;
386 f4a881ce 2018-11-17 stsp struct got_object *obj = NULL;
387 f4a881ce 2018-11-17 stsp struct got_tag_object *tag = NULL;
388 cb5e38fd 2019-05-23 stsp uint8_t *buf = NULL;
389 f4a881ce 2018-11-17 stsp size_t len;
390 268f7291 2018-12-24 stsp struct got_object_id id;
391 268f7291 2018-12-24 stsp size_t datalen;
393 268f7291 2018-12-24 stsp datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
394 268f7291 2018-12-24 stsp if (datalen != sizeof(iobj))
395 268f7291 2018-12-24 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
396 268f7291 2018-12-24 stsp memcpy(&iobj, imsg->data, sizeof(iobj));
397 265df21f 2023-01-31 op memcpy(&id, &iobj.id, sizeof(id));
399 704b89c4 2019-05-23 stsp obj = got_object_cache_get(objcache, &id);
401 704b89c4 2019-05-23 stsp obj->refcnt++;
403 704b89c4 2019-05-23 stsp err = open_object(&obj, pack, packidx, iobj.idx, &id,
406 704b89c4 2019-05-23 stsp return err;
409 f4a881ce 2018-11-17 stsp err = got_packfile_extract_object_to_mem(&buf, &len, obj, pack);
413 f4a881ce 2018-11-17 stsp obj->size = len;
414 f4a881ce 2018-11-17 stsp err = got_object_parse_tag(&tag, buf, len);
418 f4a881ce 2018-11-17 stsp err = got_privsep_send_tag(ibuf, tag);
421 cb5e38fd 2019-05-23 stsp got_object_close(obj);
423 cb5e38fd 2019-05-23 stsp got_object_tag_close(tag);
425 ca6e02ac 2020-01-07 stsp if (err->code == GOT_ERR_PRIVSEP_PIPE)
426 ca6e02ac 2020-01-07 stsp err = NULL;
428 ca6e02ac 2020-01-07 stsp got_privsep_send_error(ibuf, err);
431 ca6e02ac 2020-01-07 stsp return err;
434 ca6e02ac 2020-01-07 stsp static struct got_parsed_tree_entry *
435 9985f404 2022-05-19 stsp find_entry_by_name(struct got_parsed_tree_entry *entries, int nentries,
436 ca6e02ac 2020-01-07 stsp const char *name, size_t len)
438 9985f404 2022-05-19 stsp struct got_parsed_tree_entry *pte;
439 9985f404 2022-05-19 stsp int cmp, i;
441 ca6e02ac 2020-01-07 stsp /* Note that tree entries are sorted in strncmp() order. */
442 9985f404 2022-05-19 stsp for (i = 0; i < nentries; i++) {
443 9985f404 2022-05-19 stsp pte = &entries[i];
444 9985f404 2022-05-19 stsp cmp = strncmp(pte->name, name, len);
445 ca6e02ac 2020-01-07 stsp if (cmp < 0)
447 ca6e02ac 2020-01-07 stsp if (cmp > 0)
449 9985f404 2022-05-19 stsp if (pte->name[len] == '\0')
450 9985f404 2022-05-19 stsp return pte;
452 ca6e02ac 2020-01-07 stsp return NULL;
455 50127d69 2021-09-25 stsp static const struct got_error *
456 ca6e02ac 2020-01-07 stsp tree_path_changed(int *changed, uint8_t **buf1, uint8_t **buf2,
457 d294b1dc 2022-10-18 stsp struct got_parsed_tree_entry **entries1, size_t *nentries1,
458 d294b1dc 2022-10-18 stsp size_t *nentries_alloc1,
459 d294b1dc 2022-10-18 stsp struct got_parsed_tree_entry **entries2, size_t *nentries2,
460 d294b1dc 2022-10-18 stsp size_t *nentries_alloc2,
461 ca6e02ac 2020-01-07 stsp const char *path, struct got_pack *pack, struct got_packidx *packidx,
462 ca6e02ac 2020-01-07 stsp struct imsgbuf *ibuf, struct got_object_cache *objcache)
464 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
465 ca6e02ac 2020-01-07 stsp struct got_parsed_tree_entry *pte1 = NULL, *pte2 = NULL;
466 ca6e02ac 2020-01-07 stsp const char *seg, *s;
467 ca6e02ac 2020-01-07 stsp size_t seglen;
469 ca6e02ac 2020-01-07 stsp *changed = 0;
471 ca6e02ac 2020-01-07 stsp /* We not do support comparing the root path. */
472 61a7d79f 2020-02-29 stsp if (got_path_is_root_dir(path))
473 63f810e6 2020-02-29 stsp return got_error_path(path, GOT_ERR_BAD_PATH);
476 61a7d79f 2020-02-29 stsp while (*s == '/')
479 ca6e02ac 2020-01-07 stsp seglen = 0;
480 ca6e02ac 2020-01-07 stsp while (*s) {
481 ca6e02ac 2020-01-07 stsp if (*s != '/') {
488 9985f404 2022-05-19 stsp pte1 = find_entry_by_name(*entries1, *nentries1, seg, seglen);
489 ca6e02ac 2020-01-07 stsp if (pte1 == NULL) {
490 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_NO_OBJ);
494 9985f404 2022-05-19 stsp pte2 = find_entry_by_name(*entries2, *nentries2, seg, seglen);
495 ca6e02ac 2020-01-07 stsp if (pte2 == NULL) {
496 ca6e02ac 2020-01-07 stsp *changed = 1;
500 ca6e02ac 2020-01-07 stsp if (pte1->mode != pte2->mode) {
501 ca6e02ac 2020-01-07 stsp *changed = 1;
505 ca6e02ac 2020-01-07 stsp if (memcmp(pte1->id, pte2->id, SHA1_DIGEST_LENGTH) == 0) {
506 ca6e02ac 2020-01-07 stsp *changed = 0;
510 ca6e02ac 2020-01-07 stsp if (*s == '\0') { /* final path element */
511 ca6e02ac 2020-01-07 stsp *changed = 1;
515 ca6e02ac 2020-01-07 stsp seg = s + 1;
517 ca6e02ac 2020-01-07 stsp seglen = 0;
519 ca6e02ac 2020-01-07 stsp struct got_object_id id1, id2;
522 ded8fbb8 2020-04-19 stsp memcpy(id1.sha1, pte1->id, SHA1_DIGEST_LENGTH);
523 00927983 2020-04-19 stsp idx = got_packidx_get_object_idx(packidx, &id1);
524 ca6e02ac 2020-01-07 stsp if (idx == -1) {
525 ded8fbb8 2020-04-19 stsp err = got_error_no_obj(&id1);
528 ca6e02ac 2020-01-07 stsp *nentries1 = 0;
529 ca6e02ac 2020-01-07 stsp free(*buf1);
530 ca6e02ac 2020-01-07 stsp *buf1 = NULL;
531 d294b1dc 2022-10-18 stsp err = open_tree(buf1, entries1, nentries1,
532 d294b1dc 2022-10-18 stsp nentries_alloc1, pack, packidx, idx, &id1,
534 ca6e02ac 2020-01-07 stsp pte1 = NULL;
538 ded8fbb8 2020-04-19 stsp memcpy(id2.sha1, pte2->id, SHA1_DIGEST_LENGTH);
539 00927983 2020-04-19 stsp idx = got_packidx_get_object_idx(packidx, &id2);
540 ca6e02ac 2020-01-07 stsp if (idx == -1) {
541 ded8fbb8 2020-04-19 stsp err = got_error_no_obj(&id2);
544 ca6e02ac 2020-01-07 stsp *nentries2 = 0;
545 ca6e02ac 2020-01-07 stsp free(*buf2);
546 ca6e02ac 2020-01-07 stsp *buf2 = NULL;
547 d294b1dc 2022-10-18 stsp err = open_tree(buf2, entries2, nentries2,
548 7b771fb6 2023-02-13 op nentries_alloc2, pack, packidx, idx, &id2,
550 ca6e02ac 2020-01-07 stsp pte2 = NULL;
556 ca6e02ac 2020-01-07 stsp return err;
559 ca6e02ac 2020-01-07 stsp static const struct got_error *
560 e70bf110 2020-03-22 stsp send_traversed_commits(struct got_object_id *commit_ids, size_t ncommits,
561 e70bf110 2020-03-22 stsp struct imsgbuf *ibuf)
563 e70bf110 2020-03-22 stsp struct ibuf *wbuf;
566 e70bf110 2020-03-22 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TRAVERSED_COMMITS, 0, 0,
567 e70bf110 2020-03-22 stsp sizeof(struct got_imsg_traversed_commits) +
568 076fbedc 2023-02-19 op ncommits * sizeof(commit_ids[0]));
569 e70bf110 2020-03-22 stsp if (wbuf == NULL)
570 e70bf110 2020-03-22 stsp return got_error_from_errno("imsg_create TRAVERSED_COMMITS");
572 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &ncommits, sizeof(ncommits)) == -1)
573 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TRAVERSED_COMMITS");
575 e70bf110 2020-03-22 stsp for (i = 0; i < ncommits; i++) {
576 e70bf110 2020-03-22 stsp struct got_object_id *id = &commit_ids[i];
577 076fbedc 2023-02-19 op if (imsg_add(wbuf, id, sizeof(*id)) == -1) {
578 1453347d 2022-05-19 stsp return got_error_from_errno(
579 e70bf110 2020-03-22 stsp "imsg_add TRAVERSED_COMMITS");
583 e70bf110 2020-03-22 stsp wbuf->fd = -1;
584 e70bf110 2020-03-22 stsp imsg_close(ibuf, wbuf);
586 e70bf110 2020-03-22 stsp return got_privsep_flush_imsg(ibuf);
589 e70bf110 2020-03-22 stsp static const struct got_error *
590 e70bf110 2020-03-22 stsp send_commit_traversal_done(struct imsgbuf *ibuf)
592 e70bf110 2020-03-22 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_TRAVERSAL_DONE, 0, 0, -1,
593 e70bf110 2020-03-22 stsp NULL, 0) == -1)
594 e70bf110 2020-03-22 stsp return got_error_from_errno("imsg_compose TRAVERSAL_DONE");
596 e70bf110 2020-03-22 stsp return got_privsep_flush_imsg(ibuf);
599 e70bf110 2020-03-22 stsp static const struct got_error *
600 ca6e02ac 2020-01-07 stsp commit_traversal_request(struct imsg *imsg, struct imsgbuf *ibuf,
601 ca6e02ac 2020-01-07 stsp struct got_pack *pack, struct got_packidx *packidx,
602 ca6e02ac 2020-01-07 stsp struct got_object_cache *objcache)
604 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
605 47cb6f8b 2023-02-26 op struct got_imsg_commit_traversal_request ctreq;
606 ca6e02ac 2020-01-07 stsp struct got_object_qid *pid;
607 ca6e02ac 2020-01-07 stsp struct got_commit_object *commit = NULL, *pcommit = NULL;
608 9985f404 2022-05-19 stsp struct got_parsed_tree_entry *entries = NULL, *pentries = NULL;
609 d294b1dc 2022-10-18 stsp size_t nentries = 0, nentries_alloc = 0;
610 d294b1dc 2022-10-18 stsp size_t pnentries = 0, pnentries_alloc = 0;
611 ca6e02ac 2020-01-07 stsp struct got_object_id id;
612 47cb6f8b 2023-02-26 op size_t datalen;
613 ca6e02ac 2020-01-07 stsp char *path = NULL;
614 ca6e02ac 2020-01-07 stsp const int min_alloc = 64;
615 ca6e02ac 2020-01-07 stsp int changed = 0, ncommits = 0, nallocated = 0;
616 ca6e02ac 2020-01-07 stsp struct got_object_id *commit_ids = NULL;
618 ca6e02ac 2020-01-07 stsp datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
619 47cb6f8b 2023-02-26 op if (datalen < sizeof(ctreq))
620 47cb6f8b 2023-02-26 op return got_error(GOT_ERR_PRIVSEP_LEN);
621 47cb6f8b 2023-02-26 op memcpy(&ctreq, imsg->data, sizeof(ctreq));
622 47cb6f8b 2023-02-26 op memcpy(&id, &ctreq.iobj.id, sizeof(id));
624 47cb6f8b 2023-02-26 op if (datalen != sizeof(ctreq) + ctreq.path_len)
625 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
626 47cb6f8b 2023-02-26 op if (ctreq.path_len == 0)
627 47cb6f8b 2023-02-26 op return got_error(GOT_ERR_PRIVSEP_LEN);
629 47cb6f8b 2023-02-26 op path = strndup(imsg->data + sizeof(ctreq), ctreq.path_len);
630 47cb6f8b 2023-02-26 op if (path == NULL)
631 47cb6f8b 2023-02-26 op return got_error_from_errno("strndup");
633 ca6e02ac 2020-01-07 stsp nallocated = min_alloc;
634 ca6e02ac 2020-01-07 stsp commit_ids = reallocarray(NULL, nallocated, sizeof(*commit_ids));
635 ca6e02ac 2020-01-07 stsp if (commit_ids == NULL)
636 ca6e02ac 2020-01-07 stsp return got_error_from_errno("reallocarray");
639 ca6e02ac 2020-01-07 stsp const size_t max_datalen = MAX_IMSGSIZE - IMSG_HEADER_SIZE;
642 ca6e02ac 2020-01-07 stsp if (sigint_received) {
643 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_CANCELLED);
647 ca6e02ac 2020-01-07 stsp if (commit == NULL) {
648 ca6e02ac 2020-01-07 stsp idx = got_packidx_get_object_idx(packidx, &id);
649 ca6e02ac 2020-01-07 stsp if (idx == -1)
651 ca6e02ac 2020-01-07 stsp err = open_commit(&commit, pack, packidx,
652 ca6e02ac 2020-01-07 stsp idx, &id, objcache);
654 ca6e02ac 2020-01-07 stsp if (err->code != GOT_ERR_NO_OBJ)
656 ca6e02ac 2020-01-07 stsp err = NULL;
661 ca6e02ac 2020-01-07 stsp if (sizeof(struct got_imsg_traversed_commits) +
662 076fbedc 2023-02-19 op ncommits * sizeof(commit_ids[0]) >= max_datalen) {
663 e70bf110 2020-03-22 stsp err = send_traversed_commits(commit_ids, ncommits,
667 ca6e02ac 2020-01-07 stsp ncommits = 0;
669 ca6e02ac 2020-01-07 stsp ncommits++;
670 ca6e02ac 2020-01-07 stsp if (ncommits > nallocated) {
671 ca6e02ac 2020-01-07 stsp struct got_object_id *new;
672 ca6e02ac 2020-01-07 stsp nallocated += min_alloc;
673 ca6e02ac 2020-01-07 stsp new = reallocarray(commit_ids, nallocated,
674 ca6e02ac 2020-01-07 stsp sizeof(*commit_ids));
675 ca6e02ac 2020-01-07 stsp if (new == NULL) {
676 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("reallocarray");
679 ca6e02ac 2020-01-07 stsp commit_ids = new;
681 b685c8da 2023-02-19 op memcpy(&commit_ids[ncommits - 1], &id, sizeof(id));
683 dbdddfee 2021-06-23 naddy pid = STAILQ_FIRST(&commit->parent_ids);
684 ca6e02ac 2020-01-07 stsp if (pid == NULL)
687 d7b5a0e8 2022-04-20 stsp idx = got_packidx_get_object_idx(packidx, &pid->id);
688 ca6e02ac 2020-01-07 stsp if (idx == -1)
691 d7b5a0e8 2022-04-20 stsp err = open_commit(&pcommit, pack, packidx, idx, &pid->id,
694 ca6e02ac 2020-01-07 stsp if (err->code != GOT_ERR_NO_OBJ)
696 ca6e02ac 2020-01-07 stsp err = NULL;
700 ca6e02ac 2020-01-07 stsp if (path[0] == '/' && path[1] == '\0') {
701 ca6e02ac 2020-01-07 stsp if (got_object_id_cmp(pcommit->tree_id,
702 ca6e02ac 2020-01-07 stsp commit->tree_id) != 0) {
703 ca6e02ac 2020-01-07 stsp changed = 1;
708 ca6e02ac 2020-01-07 stsp uint8_t *buf = NULL, *pbuf = NULL;
710 ca6e02ac 2020-01-07 stsp idx = got_packidx_get_object_idx(packidx,
711 ca6e02ac 2020-01-07 stsp commit->tree_id);
712 ca6e02ac 2020-01-07 stsp if (idx == -1)
714 ca6e02ac 2020-01-07 stsp pidx = got_packidx_get_object_idx(packidx,
715 ca6e02ac 2020-01-07 stsp pcommit->tree_id);
716 ca6e02ac 2020-01-07 stsp if (pidx == -1)
719 d294b1dc 2022-10-18 stsp err = open_tree(&buf, &entries, &nentries,
720 d294b1dc 2022-10-18 stsp &nentries_alloc, pack, packidx, idx,
721 d294b1dc 2022-10-18 stsp commit->tree_id, objcache);
724 d294b1dc 2022-10-18 stsp err = open_tree(&pbuf, &pentries, &pnentries,
725 d294b1dc 2022-10-18 stsp &pnentries_alloc, pack, packidx, pidx,
726 d294b1dc 2022-10-18 stsp pcommit->tree_id, objcache);
732 ca6e02ac 2020-01-07 stsp err = tree_path_changed(&changed, &buf, &pbuf,
733 d294b1dc 2022-10-18 stsp &entries, &nentries, &nentries_alloc,
734 d294b1dc 2022-10-18 stsp &pentries, &pnentries, &pnentries_alloc,
735 d294b1dc 2022-10-18 stsp path, pack, packidx, ibuf, objcache);
737 ca6e02ac 2020-01-07 stsp nentries = 0;
739 ca6e02ac 2020-01-07 stsp pnentries = 0;
740 ca6e02ac 2020-01-07 stsp free(pbuf);
742 ca6e02ac 2020-01-07 stsp if (err->code != GOT_ERR_NO_OBJ)
744 ca6e02ac 2020-01-07 stsp err = NULL;
749 ca6e02ac 2020-01-07 stsp if (!changed) {
750 b685c8da 2023-02-19 op memcpy(&id, &pid->id, sizeof(id));
751 ca6e02ac 2020-01-07 stsp got_object_commit_close(commit);
752 ca6e02ac 2020-01-07 stsp commit = pcommit;
753 ca6e02ac 2020-01-07 stsp pcommit = NULL;
755 ca6e02ac 2020-01-07 stsp } while (!changed);
757 ca6e02ac 2020-01-07 stsp if (ncommits > 0) {
758 e70bf110 2020-03-22 stsp err = send_traversed_commits(commit_ids, ncommits, ibuf);
762 ca6e02ac 2020-01-07 stsp if (changed) {
763 ca6e02ac 2020-01-07 stsp err = got_privsep_send_commit(ibuf, commit);
768 e70bf110 2020-03-22 stsp err = send_commit_traversal_done(ibuf);
771 ca6e02ac 2020-01-07 stsp free(commit_ids);
772 ca6e02ac 2020-01-07 stsp if (commit)
773 ca6e02ac 2020-01-07 stsp got_object_commit_close(commit);
774 ca6e02ac 2020-01-07 stsp if (pcommit)
775 ca6e02ac 2020-01-07 stsp got_object_commit_close(pcommit);
776 9985f404 2022-05-19 stsp free(entries);
777 9985f404 2022-05-19 stsp free(pentries);
779 f4a881ce 2018-11-17 stsp if (err->code == GOT_ERR_PRIVSEP_PIPE)
780 f4a881ce 2018-11-17 stsp err = NULL;
782 f4a881ce 2018-11-17 stsp got_privsep_send_error(ibuf, err);
785 f4a881ce 2018-11-17 stsp return err;
788 f4a881ce 2018-11-17 stsp static const struct got_error *
789 c0df5966 2021-12-31 stsp raw_object_request(struct imsg *imsg, struct imsgbuf *ibuf,
790 c0df5966 2021-12-31 stsp struct got_pack *pack, struct got_packidx *packidx,
791 db696021 2022-01-04 stsp struct got_object_cache *objcache, FILE *basefile, FILE *accumfile)
793 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
794 59d1e4a0 2021-03-10 stsp uint8_t *buf = NULL;
795 59d1e4a0 2021-03-10 stsp uint64_t size = 0;
796 db696021 2022-01-04 stsp FILE *outfile = NULL;
797 59d1e4a0 2021-03-10 stsp struct got_imsg_packed_object iobj;
798 59d1e4a0 2021-03-10 stsp struct got_object *obj;
799 59d1e4a0 2021-03-10 stsp struct got_object_id id;
800 59d1e4a0 2021-03-10 stsp size_t datalen;
802 59d1e4a0 2021-03-10 stsp datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
803 59d1e4a0 2021-03-10 stsp if (datalen != sizeof(iobj))
804 59d1e4a0 2021-03-10 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
805 59d1e4a0 2021-03-10 stsp memcpy(&iobj, imsg->data, sizeof(iobj));
806 265df21f 2023-01-31 op memcpy(&id, &iobj.id, sizeof(id));
808 59d1e4a0 2021-03-10 stsp obj = got_object_cache_get(objcache, &id);
810 59d1e4a0 2021-03-10 stsp obj->refcnt++;
812 59d1e4a0 2021-03-10 stsp err = open_object(&obj, pack, packidx, iobj.idx, &id,
815 59d1e4a0 2021-03-10 stsp return err;
818 59d1e4a0 2021-03-10 stsp err = receive_file(&outfile, ibuf, GOT_IMSG_RAW_OBJECT_OUTFD);
820 59d1e4a0 2021-03-10 stsp return err;
822 59d1e4a0 2021-03-10 stsp if (obj->flags & GOT_OBJ_FLAG_DELTIFIED) {
823 59d1e4a0 2021-03-10 stsp err = got_pack_get_max_delta_object_size(&size, obj, pack);
827 59d1e4a0 2021-03-10 stsp size = obj->size;
829 59d1e4a0 2021-03-10 stsp if (size <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX)
830 59d1e4a0 2021-03-10 stsp err = got_packfile_extract_object_to_mem(&buf, &obj->size,
831 59d1e4a0 2021-03-10 stsp obj, pack);
833 59d1e4a0 2021-03-10 stsp err = got_packfile_extract_object(pack, obj, outfile, basefile,
834 59d1e4a0 2021-03-10 stsp accumfile);
838 40e3cb72 2021-06-22 stsp err = got_privsep_send_raw_obj(ibuf, obj->size, obj->hdrlen, buf);
841 59d1e4a0 2021-03-10 stsp if (outfile && fclose(outfile) == EOF && err == NULL)
842 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("fclose");
843 59d1e4a0 2021-03-10 stsp got_object_close(obj);
844 59d1e4a0 2021-03-10 stsp if (err && err->code != GOT_ERR_PRIVSEP_PIPE)
845 59d1e4a0 2021-03-10 stsp got_privsep_send_error(ibuf, err);
847 59d1e4a0 2021-03-10 stsp return err;
850 67fd6849 2022-02-13 stsp static const struct got_error *
851 67fd6849 2022-02-13 stsp get_base_object_id(struct got_object_id *base_id, struct got_packidx *packidx,
852 67fd6849 2022-02-13 stsp off_t base_offset)
854 67fd6849 2022-02-13 stsp const struct got_error *err;
857 5e91dae4 2022-08-30 stsp err = got_packidx_get_offset_idx(&idx, packidx, base_offset);
859 67fd6849 2022-02-13 stsp return err;
860 67fd6849 2022-02-13 stsp if (idx == -1)
861 67fd6849 2022-02-13 stsp return got_error(GOT_ERR_BAD_PACKIDX);
863 67fd6849 2022-02-13 stsp return got_packidx_get_object_id(base_id, packidx, idx);
866 59d1e4a0 2021-03-10 stsp static const struct got_error *
867 67fd6849 2022-02-13 stsp raw_delta_request(struct imsg *imsg, struct imsgbuf *ibuf,
868 67fd6849 2022-02-13 stsp FILE *delta_outfile, struct got_pack *pack,
869 67fd6849 2022-02-13 stsp struct got_packidx *packidx)
871 67fd6849 2022-02-13 stsp const struct got_error *err = NULL;
872 67fd6849 2022-02-13 stsp struct got_imsg_raw_delta_request req;
873 2d9e6abf 2022-05-04 stsp size_t datalen, delta_size, delta_compressed_size;
874 24b7de1c 2022-12-03 stsp off_t delta_offset, delta_data_offset;
875 67fd6849 2022-02-13 stsp uint8_t *delta_buf = NULL;
876 67fd6849 2022-02-13 stsp struct got_object_id id, base_id;
877 67fd6849 2022-02-13 stsp off_t base_offset, delta_out_offset = 0;
878 67fd6849 2022-02-13 stsp uint64_t base_size = 0, result_size = 0;
881 67fd6849 2022-02-13 stsp datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
882 67fd6849 2022-02-13 stsp if (datalen != sizeof(req))
883 67fd6849 2022-02-13 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
884 67fd6849 2022-02-13 stsp memcpy(&req, imsg->data, sizeof(req));
885 babd9f5d 2023-01-31 op memcpy(&id, &req.id, sizeof(id));
887 67fd6849 2022-02-13 stsp imsg->fd = -1;
889 67fd6849 2022-02-13 stsp err = got_packfile_extract_raw_delta(&delta_buf, &delta_size,
890 24b7de1c 2022-12-03 stsp &delta_compressed_size, &delta_offset, &delta_data_offset,
891 24b7de1c 2022-12-03 stsp &base_offset, &base_id, &base_size, &result_size,
892 24b7de1c 2022-12-03 stsp pack, packidx, req.idx);
897 67fd6849 2022-02-13 stsp * If this is an offset delta we must determine the base
898 67fd6849 2022-02-13 stsp * object ID ourselves.
900 67fd6849 2022-02-13 stsp if (base_offset != 0) {
901 67fd6849 2022-02-13 stsp err = get_base_object_id(&base_id, packidx, base_offset);
906 67fd6849 2022-02-13 stsp delta_out_offset = ftello(delta_outfile);
907 2d9e6abf 2022-05-04 stsp w = fwrite(delta_buf, 1, delta_compressed_size, delta_outfile);
908 2d9e6abf 2022-05-04 stsp if (w != delta_compressed_size) {
909 67fd6849 2022-02-13 stsp err = got_ferror(delta_outfile, GOT_ERR_IO);
912 67fd6849 2022-02-13 stsp if (fflush(delta_outfile) == -1) {
913 67fd6849 2022-02-13 stsp err = got_error_from_errno("fflush");
917 67fd6849 2022-02-13 stsp err = got_privsep_send_raw_delta(ibuf, base_size, result_size,
918 2d9e6abf 2022-05-04 stsp delta_size, delta_compressed_size, delta_offset, delta_out_offset,
921 67fd6849 2022-02-13 stsp free(delta_buf);
922 67fd6849 2022-02-13 stsp return err;
925 fae7e038 2022-05-07 stsp struct search_deltas_arg {
926 fae7e038 2022-05-07 stsp struct imsgbuf *ibuf;
927 fae7e038 2022-05-07 stsp struct got_packidx *packidx;
928 fae7e038 2022-05-07 stsp struct got_pack *pack;
929 fae7e038 2022-05-07 stsp struct got_object_idset *idset;
930 fae7e038 2022-05-07 stsp struct got_imsg_reused_delta deltas[GOT_IMSG_REUSED_DELTAS_MAX_NDELTAS];
931 fae7e038 2022-05-07 stsp size_t ndeltas;
934 67fd6849 2022-02-13 stsp static const struct got_error *
935 fae7e038 2022-05-07 stsp search_delta_for_object(struct got_object_id *id, void *data, void *arg)
937 fae7e038 2022-05-07 stsp const struct got_error *err;
938 fae7e038 2022-05-07 stsp struct search_deltas_arg *a = arg;
939 fae7e038 2022-05-07 stsp int obj_idx;
940 fae7e038 2022-05-07 stsp uint8_t *delta_buf = NULL;
941 fae7e038 2022-05-07 stsp uint64_t base_size, result_size;
942 fae7e038 2022-05-07 stsp size_t delta_size, delta_compressed_size;
943 24b7de1c 2022-12-03 stsp off_t delta_offset, delta_data_offset, base_offset;
944 fae7e038 2022-05-07 stsp struct got_object_id base_id;
946 fae7e038 2022-05-07 stsp if (sigint_received)
947 fae7e038 2022-05-07 stsp return got_error(GOT_ERR_CANCELLED);
949 fae7e038 2022-05-07 stsp obj_idx = got_packidx_get_object_idx(a->packidx, id);
950 fae7e038 2022-05-07 stsp if (obj_idx == -1)
951 fae7e038 2022-05-07 stsp return NULL; /* object not present in our pack file */
953 fae7e038 2022-05-07 stsp err = got_packfile_extract_raw_delta(&delta_buf, &delta_size,
954 24b7de1c 2022-12-03 stsp &delta_compressed_size, &delta_offset, &delta_data_offset,
955 24b7de1c 2022-12-03 stsp &base_offset, &base_id, &base_size, &result_size,
956 24b7de1c 2022-12-03 stsp a->pack, a->packidx, obj_idx);
958 fae7e038 2022-05-07 stsp if (err->code == GOT_ERR_OBJ_TYPE)
959 fae7e038 2022-05-07 stsp return NULL; /* object not stored as a delta */
960 fae7e038 2022-05-07 stsp return err;
964 fae7e038 2022-05-07 stsp * If this is an offset delta we must determine the base
965 fae7e038 2022-05-07 stsp * object ID ourselves.
967 fae7e038 2022-05-07 stsp if (base_offset != 0) {
968 fae7e038 2022-05-07 stsp err = get_base_object_id(&base_id, a->packidx, base_offset);
973 fae7e038 2022-05-07 stsp if (got_object_idset_contains(a->idset, &base_id)) {
974 fae7e038 2022-05-07 stsp struct got_imsg_reused_delta *delta;
976 fae7e038 2022-05-07 stsp delta = &a->deltas[a->ndeltas++];
977 fae7e038 2022-05-07 stsp memcpy(&delta->id, id, sizeof(delta->id));
978 fae7e038 2022-05-07 stsp memcpy(&delta->base_id, &base_id, sizeof(delta->base_id));
979 fae7e038 2022-05-07 stsp delta->base_size = base_size;
980 fae7e038 2022-05-07 stsp delta->result_size = result_size;
981 fae7e038 2022-05-07 stsp delta->delta_size = delta_size;
982 fae7e038 2022-05-07 stsp delta->delta_compressed_size = delta_compressed_size;
983 24b7de1c 2022-12-03 stsp delta->delta_offset = delta_data_offset;
985 fae7e038 2022-05-07 stsp if (a->ndeltas >= GOT_IMSG_REUSED_DELTAS_MAX_NDELTAS) {
986 fae7e038 2022-05-07 stsp err = got_privsep_send_reused_deltas(a->ibuf,
987 fae7e038 2022-05-07 stsp a->deltas, a->ndeltas);
990 fae7e038 2022-05-07 stsp a->ndeltas = 0;
994 fae7e038 2022-05-07 stsp free(delta_buf);
995 fae7e038 2022-05-07 stsp return err;
998 fae7e038 2022-05-07 stsp static const struct got_error *
999 fae7e038 2022-05-07 stsp recv_object_ids(struct got_object_idset *idset, struct imsgbuf *ibuf)
1001 fae7e038 2022-05-07 stsp const struct got_error *err = NULL;
1002 fae7e038 2022-05-07 stsp int done = 0;
1003 fae7e038 2022-05-07 stsp struct got_object_id *ids;
1004 fae7e038 2022-05-07 stsp size_t nids, i;
1006 fae7e038 2022-05-07 stsp for (;;) {
1007 fae7e038 2022-05-07 stsp err = got_privsep_recv_object_idlist(&done, &ids, &nids, ibuf);
1008 fae7e038 2022-05-07 stsp if (err || done)
1010 fae7e038 2022-05-07 stsp for (i = 0; i < nids; i++) {
1011 fae7e038 2022-05-07 stsp err = got_object_idset_add(idset, &ids[i], NULL);
1012 fae7e038 2022-05-07 stsp if (err) {
1013 fae7e038 2022-05-07 stsp free(ids);
1014 fae7e038 2022-05-07 stsp return err;
1017 fae7e038 2022-05-07 stsp free(ids);
1020 0ab4c957 2022-06-13 stsp return err;
1023 0ab4c957 2022-06-13 stsp static const struct got_error *
1024 0a618912 2023-01-27 stsp recv_object_id_queue(struct got_object_id_queue *queue,
1025 0a618912 2023-01-27 stsp struct got_object_idset *queued_ids, struct imsgbuf *ibuf)
1027 0ab4c957 2022-06-13 stsp const struct got_error *err = NULL;
1028 0ab4c957 2022-06-13 stsp int done = 0;
1029 0ab4c957 2022-06-13 stsp struct got_object_qid *qid;
1030 0ab4c957 2022-06-13 stsp struct got_object_id *ids;
1031 0ab4c957 2022-06-13 stsp size_t nids, i;
1033 0ab4c957 2022-06-13 stsp for (;;) {
1034 0ab4c957 2022-06-13 stsp err = got_privsep_recv_object_idlist(&done, &ids, &nids, ibuf);
1035 0ab4c957 2022-06-13 stsp if (err || done)
1037 0ab4c957 2022-06-13 stsp for (i = 0; i < nids; i++) {
1038 0ab4c957 2022-06-13 stsp err = got_object_qid_alloc_partial(&qid);
1040 0ab4c957 2022-06-13 stsp return err;
1041 0ab4c957 2022-06-13 stsp memcpy(&qid->id, &ids[i], sizeof(qid->id));
1042 0ab4c957 2022-06-13 stsp STAILQ_INSERT_TAIL(queue, qid, entry);
1043 0a618912 2023-01-27 stsp err = got_object_idset_add(queued_ids, &qid->id, NULL);
1045 0a618912 2023-01-27 stsp return err;
1049 cee6a7ea 2022-06-07 stsp return err;
1052 cee6a7ea 2022-06-07 stsp static const struct got_error *
1053 fae7e038 2022-05-07 stsp delta_reuse_request(struct imsg *imsg, struct imsgbuf *ibuf,
1054 24b7de1c 2022-12-03 stsp struct got_pack *pack, struct got_packidx *packidx)
1056 fae7e038 2022-05-07 stsp const struct got_error *err = NULL;
1057 fae7e038 2022-05-07 stsp struct got_object_idset *idset;
1058 fae7e038 2022-05-07 stsp struct search_deltas_arg sda;
1060 fae7e038 2022-05-07 stsp idset = got_object_idset_alloc();
1061 fae7e038 2022-05-07 stsp if (idset == NULL)
1062 fae7e038 2022-05-07 stsp return got_error_from_errno("got_object_idset_alloc");
1064 fae7e038 2022-05-07 stsp err = recv_object_ids(idset, ibuf);
1066 fae7e038 2022-05-07 stsp return err;
1068 fae7e038 2022-05-07 stsp memset(&sda, 0, sizeof(sda));
1069 fae7e038 2022-05-07 stsp sda.ibuf = ibuf;
1070 fae7e038 2022-05-07 stsp sda.idset = idset;
1071 fae7e038 2022-05-07 stsp sda.pack = pack;
1072 fae7e038 2022-05-07 stsp sda.packidx = packidx;
1073 fae7e038 2022-05-07 stsp err = got_object_idset_for_each(idset, search_delta_for_object, &sda);
1075 fae7e038 2022-05-07 stsp goto done;
1077 fae7e038 2022-05-07 stsp if (sda.ndeltas > 0) {
1078 fae7e038 2022-05-07 stsp err = got_privsep_send_reused_deltas(ibuf, sda.deltas,
1079 fae7e038 2022-05-07 stsp sda.ndeltas);
1081 fae7e038 2022-05-07 stsp goto done;
1084 fae7e038 2022-05-07 stsp err = got_privsep_send_reused_deltas_done(ibuf);
1086 fae7e038 2022-05-07 stsp got_object_idset_free(idset);
1087 fae7e038 2022-05-07 stsp return err;
1090 fae7e038 2022-05-07 stsp static const struct got_error *
1091 876c234b 2018-09-10 stsp receive_packidx(struct got_packidx **packidx, struct imsgbuf *ibuf)
1093 876c234b 2018-09-10 stsp const struct got_error *err = NULL;
1094 876c234b 2018-09-10 stsp struct imsg imsg;
1095 876c234b 2018-09-10 stsp struct got_imsg_packidx ipackidx;
1096 876c234b 2018-09-10 stsp size_t datalen;
1097 876c234b 2018-09-10 stsp struct got_packidx *p;
1099 876c234b 2018-09-10 stsp *packidx = NULL;
1101 876c234b 2018-09-10 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1103 876c234b 2018-09-10 stsp return err;
1105 876c234b 2018-09-10 stsp p = calloc(1, sizeof(*p));
1106 876c234b 2018-09-10 stsp if (p == NULL) {
1107 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
1108 876c234b 2018-09-10 stsp goto done;
1111 876c234b 2018-09-10 stsp if (imsg.hdr.type != GOT_IMSG_PACKIDX) {
1112 876c234b 2018-09-10 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1113 876c234b 2018-09-10 stsp goto done;
1116 876c234b 2018-09-10 stsp if (imsg.fd == -1) {
1117 876c234b 2018-09-10 stsp err = got_error(GOT_ERR_PRIVSEP_NO_FD);
1118 876c234b 2018-09-10 stsp goto done;
1121 876c234b 2018-09-10 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1122 876c234b 2018-09-10 stsp if (datalen != sizeof(ipackidx)) {
1123 876c234b 2018-09-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1124 876c234b 2018-09-10 stsp goto done;
1126 876c234b 2018-09-10 stsp memcpy(&ipackidx, imsg.data, sizeof(ipackidx));
1128 876c234b 2018-09-10 stsp p->len = ipackidx.len;
1129 876c234b 2018-09-10 stsp p->fd = dup(imsg.fd);
1130 876c234b 2018-09-10 stsp if (p->fd == -1) {
1131 638f9024 2019-05-13 stsp err = got_error_from_errno("dup");
1132 56bef47a 2018-09-15 stsp goto done;
1134 56bef47a 2018-09-15 stsp if (lseek(p->fd, 0, SEEK_SET) == -1) {
1135 638f9024 2019-05-13 stsp err = got_error_from_errno("lseek");
1136 876c234b 2018-09-10 stsp goto done;
1139 876c234b 2018-09-10 stsp #ifndef GOT_PACK_NO_MMAP
1140 1c28a361 2022-10-25 op if (p->len > 0 && p->len <= SIZE_MAX) {
1141 1c28a361 2022-10-25 op p->map = mmap(NULL, p->len, PROT_READ, MAP_PRIVATE, p->fd, 0);
1142 1c28a361 2022-10-25 op if (p->map == MAP_FAILED)
1143 1c28a361 2022-10-25 op p->map = NULL; /* fall back to read(2) */
1146 c3564dfa 2021-07-15 stsp err = got_packidx_init_hdr(p, 1, ipackidx.packfile_size);
1148 876c234b 2018-09-10 stsp if (err) {
1149 876c234b 2018-09-10 stsp if (imsg.fd != -1)
1150 876c234b 2018-09-10 stsp close(imsg.fd);
1151 876c234b 2018-09-10 stsp got_packidx_close(p);
1153 876c234b 2018-09-10 stsp *packidx = p;
1154 876c234b 2018-09-10 stsp imsg_free(&imsg);
1155 0ab4c957 2022-06-13 stsp return err;
1158 0ab4c957 2022-06-13 stsp static const struct got_error *
1159 0ab4c957 2022-06-13 stsp send_tree_enumeration_done(struct imsgbuf *ibuf)
1161 0ab4c957 2022-06-13 stsp if (imsg_compose(ibuf, GOT_IMSG_TREE_ENUMERATION_DONE, 0, 0, -1,
1162 0ab4c957 2022-06-13 stsp NULL, 0) == -1)
1163 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_compose TREE_ENUMERATION_DONE");
1165 0ab4c957 2022-06-13 stsp return got_privsep_flush_imsg(ibuf);
1168 0ab4c957 2022-06-13 stsp struct enumerated_tree {
1169 0ab4c957 2022-06-13 stsp struct got_object_id id;
1170 0ab4c957 2022-06-13 stsp char *path;
1171 0ab4c957 2022-06-13 stsp uint8_t *buf;
1172 0ab4c957 2022-06-13 stsp struct got_parsed_tree_entry *entries;
1173 0ab4c957 2022-06-13 stsp int nentries;
1176 0ab4c957 2022-06-13 stsp static const struct got_error *
1177 0ab4c957 2022-06-13 stsp enumerate_tree(int *have_all_entries, struct imsgbuf *ibuf, size_t *totlen,
1178 0ab4c957 2022-06-13 stsp struct got_object_id *tree_id,
1179 0ab4c957 2022-06-13 stsp const char *path, struct got_pack *pack, struct got_packidx *packidx,
1180 0ab4c957 2022-06-13 stsp struct got_object_cache *objcache, struct got_object_idset *idset,
1181 0ab4c957 2022-06-13 stsp struct enumerated_tree **trees, size_t *nalloc, size_t *ntrees)
1183 0ab4c957 2022-06-13 stsp const struct got_error *err = NULL;
1184 0ab4c957 2022-06-13 stsp struct got_object_id_queue ids;
1185 0ab4c957 2022-06-13 stsp struct got_object_qid *qid;
1186 0ab4c957 2022-06-13 stsp uint8_t *buf = NULL;
1187 0ab4c957 2022-06-13 stsp struct got_parsed_tree_entry *entries = NULL;
1188 d294b1dc 2022-10-18 stsp size_t nentries = 0, nentries_alloc = 0, i;
1189 0ab4c957 2022-06-13 stsp struct enumerated_tree *tree;
1191 0ab4c957 2022-06-13 stsp *ntrees = 0;
1192 0ab4c957 2022-06-13 stsp *have_all_entries = 1;
1193 0ab4c957 2022-06-13 stsp STAILQ_INIT(&ids);
1195 0ab4c957 2022-06-13 stsp err = got_object_qid_alloc_partial(&qid);
1197 0ab4c957 2022-06-13 stsp return err;
1198 076fbedc 2023-02-19 op memcpy(&qid->id, tree_id, sizeof(*tree_id));
1199 0ab4c957 2022-06-13 stsp qid->data = strdup(path);
1200 0ab4c957 2022-06-13 stsp if (qid->data == NULL) {
1201 0ab4c957 2022-06-13 stsp err = got_error_from_errno("strdup");
1202 0ab4c957 2022-06-13 stsp goto done;
1204 0ab4c957 2022-06-13 stsp STAILQ_INSERT_TAIL(&ids, qid, entry);
1205 0ab4c957 2022-06-13 stsp qid = NULL;
1207 0ab4c957 2022-06-13 stsp /* Traverse the tree hierarchy, gather tree object IDs and paths. */
1209 0ab4c957 2022-06-13 stsp const char *path;
1210 0ab4c957 2022-06-13 stsp int idx, i;
1212 0ab4c957 2022-06-13 stsp if (sigint_received) {
1213 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_CANCELLED);
1214 0ab4c957 2022-06-13 stsp goto done;
1217 0ab4c957 2022-06-13 stsp qid = STAILQ_FIRST(&ids);
1218 0ab4c957 2022-06-13 stsp STAILQ_REMOVE_HEAD(&ids, entry);
1219 0ab4c957 2022-06-13 stsp path = qid->data;
1221 0ab4c957 2022-06-13 stsp idx = got_packidx_get_object_idx(packidx, &qid->id);
1222 0ab4c957 2022-06-13 stsp if (idx == -1) {
1223 0ab4c957 2022-06-13 stsp *have_all_entries = 0;
1227 d294b1dc 2022-10-18 stsp err = open_tree(&buf, &entries, &nentries, &nentries_alloc,
1228 0ab4c957 2022-06-13 stsp pack, packidx, idx, &qid->id, objcache);
1229 0ab4c957 2022-06-13 stsp if (err) {
1230 0ab4c957 2022-06-13 stsp if (err->code != GOT_ERR_NO_OBJ)
1231 0ab4c957 2022-06-13 stsp goto done;
1234 0ab4c957 2022-06-13 stsp err = got_object_idset_add(idset, &qid->id, NULL);
1236 0ab4c957 2022-06-13 stsp goto done;
1238 0ab4c957 2022-06-13 stsp for (i = 0; i < nentries; i++) {
1239 0ab4c957 2022-06-13 stsp struct got_object_qid *eqid = NULL;
1240 0ab4c957 2022-06-13 stsp struct got_parsed_tree_entry *pte = &entries[i];
1243 0ab4c957 2022-06-13 stsp if (!S_ISDIR(pte->mode))
1246 0ab4c957 2022-06-13 stsp err = got_object_qid_alloc_partial(&eqid);
1248 0ab4c957 2022-06-13 stsp goto done;
1249 0ab4c957 2022-06-13 stsp memcpy(eqid->id.sha1, pte->id, sizeof(eqid->id.sha1));
1251 0ab4c957 2022-06-13 stsp if (got_object_idset_contains(idset, &eqid->id)) {
1252 0ab4c957 2022-06-13 stsp got_object_qid_free(eqid);
1256 0ab4c957 2022-06-13 stsp if (asprintf(&p, "%s%s%s", path,
1257 0ab4c957 2022-06-13 stsp got_path_is_root_dir(path) ? "" : "/",
1258 0ab4c957 2022-06-13 stsp pte->name) == -1) {
1259 0ab4c957 2022-06-13 stsp err = got_error_from_errno("asprintf");
1260 0ab4c957 2022-06-13 stsp got_object_qid_free(eqid);
1261 0ab4c957 2022-06-13 stsp goto done;
1263 0ab4c957 2022-06-13 stsp eqid->data = p;
1264 0ab4c957 2022-06-13 stsp STAILQ_INSERT_TAIL(&ids, eqid, entry);
1267 0ab4c957 2022-06-13 stsp if (*ntrees >= *nalloc) {
1268 0ab4c957 2022-06-13 stsp struct enumerated_tree *new;
1269 0ab4c957 2022-06-13 stsp new = recallocarray(*trees, *nalloc, *nalloc + 16,
1270 0ab4c957 2022-06-13 stsp sizeof(*new));
1271 0ab4c957 2022-06-13 stsp if (new == NULL) {
1272 0ab4c957 2022-06-13 stsp err = got_error_from_errno("malloc");
1273 0ab4c957 2022-06-13 stsp goto done;
1275 0ab4c957 2022-06-13 stsp *trees = new;
1276 0ab4c957 2022-06-13 stsp *nalloc += 16;
1278 0ab4c957 2022-06-13 stsp tree = &(*trees)[*ntrees];
1279 0ab4c957 2022-06-13 stsp (*ntrees)++;
1280 0ab4c957 2022-06-13 stsp memcpy(&tree->id, &qid->id, sizeof(tree->id));
1281 0ab4c957 2022-06-13 stsp tree->path = qid->data;
1282 0ab4c957 2022-06-13 stsp tree->buf = buf;
1283 0ab4c957 2022-06-13 stsp buf = NULL;
1284 0ab4c957 2022-06-13 stsp tree->entries = entries;
1285 0ab4c957 2022-06-13 stsp entries = NULL;
1286 d294b1dc 2022-10-18 stsp nentries_alloc = 0;
1287 0ab4c957 2022-06-13 stsp tree->nentries = nentries;
1288 d294b1dc 2022-10-18 stsp nentries = 0;
1290 0ab4c957 2022-06-13 stsp got_object_qid_free(qid);
1291 0ab4c957 2022-06-13 stsp qid = NULL;
1292 0ab4c957 2022-06-13 stsp } while (!STAILQ_EMPTY(&ids));
1294 0ab4c957 2022-06-13 stsp if (*have_all_entries) {
1297 0ab4c957 2022-06-13 stsp * We have managed to traverse all entries in the hierarchy.
1298 0ab4c957 2022-06-13 stsp * Tell the main process what we have found.
1300 0ab4c957 2022-06-13 stsp for (i = 0; i < *ntrees; i++) {
1301 0ab4c957 2022-06-13 stsp tree = &(*trees)[i];
1302 0ab4c957 2022-06-13 stsp err = got_privsep_send_enumerated_tree(totlen,
1303 0ab4c957 2022-06-13 stsp ibuf, &tree->id, tree->path, tree->entries,
1304 0ab4c957 2022-06-13 stsp tree->nentries);
1306 0ab4c957 2022-06-13 stsp goto done;
1307 0ab4c957 2022-06-13 stsp free(tree->buf);
1308 0ab4c957 2022-06-13 stsp tree->buf = NULL;
1309 0ab4c957 2022-06-13 stsp free(tree->path);
1310 0ab4c957 2022-06-13 stsp tree->path = NULL;
1311 0ab4c957 2022-06-13 stsp free(tree->entries);
1312 0ab4c957 2022-06-13 stsp tree->entries = NULL;
1314 0ab4c957 2022-06-13 stsp *ntrees = 0; /* don't loop again below to free memory */
1316 0ab4c957 2022-06-13 stsp err = send_tree_enumeration_done(ibuf);
1319 0ab4c957 2022-06-13 stsp * We can only load fully packed tree hierarchies on
1320 0ab4c957 2022-06-13 stsp * behalf of the main process, otherwise the main process
1321 0ab4c957 2022-06-13 stsp * gets a wrong idea about which tree objects have
1322 0ab4c957 2022-06-13 stsp * already been traversed.
1323 0ab4c957 2022-06-13 stsp * Indicate a missing entry for the root of this tree.
1324 0ab4c957 2022-06-13 stsp * The main process should continue by loading this
1325 0ab4c957 2022-06-13 stsp * entire tree the slow way.
1327 0ab4c957 2022-06-13 stsp err = got_privsep_send_enumerated_tree(totlen, ibuf,
1328 0ab4c957 2022-06-13 stsp tree_id, "/", NULL, -1);
1330 0ab4c957 2022-06-13 stsp goto done;
1333 0ab4c957 2022-06-13 stsp free(buf);
1334 0ab4c957 2022-06-13 stsp free(entries);
1335 0ab4c957 2022-06-13 stsp for (i = 0; i < *ntrees; i++) {
1336 0ab4c957 2022-06-13 stsp tree = &(*trees)[i];
1337 0ab4c957 2022-06-13 stsp free(tree->buf);
1338 0ab4c957 2022-06-13 stsp tree->buf = NULL;
1339 0ab4c957 2022-06-13 stsp free(tree->path);
1340 0ab4c957 2022-06-13 stsp tree->path = NULL;
1341 0ab4c957 2022-06-13 stsp free(tree->entries);
1342 0ab4c957 2022-06-13 stsp tree->entries = NULL;
1345 0ab4c957 2022-06-13 stsp free(qid->data);
1346 0ab4c957 2022-06-13 stsp got_object_qid_free(qid);
1347 0ab4c957 2022-06-13 stsp got_object_id_queue_free(&ids);
1348 0ab4c957 2022-06-13 stsp if (err) {
1349 0ab4c957 2022-06-13 stsp if (err->code == GOT_ERR_PRIVSEP_PIPE)
1350 0ab4c957 2022-06-13 stsp err = NULL;
1352 0ab4c957 2022-06-13 stsp got_privsep_send_error(ibuf, err);
1355 cee6a7ea 2022-06-07 stsp return err;
1358 cee6a7ea 2022-06-07 stsp static const struct got_error *
1359 0ab4c957 2022-06-13 stsp enumeration_request(struct imsg *imsg, struct imsgbuf *ibuf,
1360 0ab4c957 2022-06-13 stsp struct got_pack *pack, struct got_packidx *packidx,
1361 0ab4c957 2022-06-13 stsp struct got_object_cache *objcache)
1363 0ab4c957 2022-06-13 stsp const struct got_error *err = NULL;
1364 0ab4c957 2022-06-13 stsp struct got_object_id_queue commit_ids;
1365 0ab4c957 2022-06-13 stsp const struct got_object_id_queue *parents = NULL;
1366 0ab4c957 2022-06-13 stsp struct got_object_qid *qid = NULL;
1367 0ab4c957 2022-06-13 stsp struct got_object *obj = NULL;
1368 0ab4c957 2022-06-13 stsp struct got_commit_object *commit = NULL;
1369 0ab4c957 2022-06-13 stsp struct got_object_id *tree_id = NULL;
1370 0ab4c957 2022-06-13 stsp size_t totlen = 0;
1371 0a618912 2023-01-27 stsp struct got_object_idset *idset, *queued_ids = NULL;
1372 0ab4c957 2022-06-13 stsp int i, idx, have_all_entries = 1;
1373 0ab4c957 2022-06-13 stsp struct enumerated_tree *trees = NULL;
1374 0ab4c957 2022-06-13 stsp size_t ntrees = 0, nalloc = 16;
1376 0ab4c957 2022-06-13 stsp STAILQ_INIT(&commit_ids);
1378 ffe3518f 2022-06-14 stsp trees = calloc(nalloc, sizeof(*trees));
1379 0ab4c957 2022-06-13 stsp if (trees == NULL)
1380 0ab4c957 2022-06-13 stsp return got_error_from_errno("calloc");
1382 0ab4c957 2022-06-13 stsp idset = got_object_idset_alloc();
1383 0ab4c957 2022-06-13 stsp if (idset == NULL) {
1384 0ab4c957 2022-06-13 stsp err = got_error_from_errno("got_object_idset_alloc");
1385 0ab4c957 2022-06-13 stsp goto done;
1388 0a618912 2023-01-27 stsp queued_ids = got_object_idset_alloc();
1389 0a618912 2023-01-27 stsp if (queued_ids == NULL) {
1390 0a618912 2023-01-27 stsp err = got_error_from_errno("got_object_idset_alloc");
1391 0a618912 2023-01-27 stsp goto done;
1394 0a618912 2023-01-27 stsp err = recv_object_id_queue(&commit_ids, queued_ids, ibuf);
1396 0ab4c957 2022-06-13 stsp goto done;
1398 a5e587e0 2022-06-14 stsp if (STAILQ_EMPTY(&commit_ids)) {
1399 a5e587e0 2022-06-14 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1400 a5e587e0 2022-06-14 stsp goto done;
1403 0ab4c957 2022-06-13 stsp err = recv_object_ids(idset, ibuf);
1405 0ab4c957 2022-06-13 stsp goto done;
1407 0ab4c957 2022-06-13 stsp while (!STAILQ_EMPTY(&commit_ids)) {
1408 0ab4c957 2022-06-13 stsp if (sigint_received) {
1409 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_CANCELLED);
1410 0ab4c957 2022-06-13 stsp goto done;
1413 0ab4c957 2022-06-13 stsp qid = STAILQ_FIRST(&commit_ids);
1414 0ab4c957 2022-06-13 stsp STAILQ_REMOVE_HEAD(&commit_ids, entry);
1416 0ab4c957 2022-06-13 stsp if (got_object_idset_contains(idset, &qid->id)) {
1417 0ab4c957 2022-06-13 stsp got_object_qid_free(qid);
1418 0ab4c957 2022-06-13 stsp qid = NULL;
1422 0ab4c957 2022-06-13 stsp idx = got_packidx_get_object_idx(packidx, &qid->id);
1423 db9b9b1c 2022-06-14 stsp if (idx == -1) {
1424 db9b9b1c 2022-06-14 stsp have_all_entries = 0;
1428 0ab4c957 2022-06-13 stsp err = open_object(&obj, pack, packidx, idx, &qid->id,
1429 0ab4c957 2022-06-13 stsp objcache);
1431 0ab4c957 2022-06-13 stsp goto done;
1432 0ab4c957 2022-06-13 stsp if (obj->type == GOT_OBJ_TYPE_TAG) {
1433 0ab4c957 2022-06-13 stsp struct got_tag_object *tag;
1434 0ab4c957 2022-06-13 stsp uint8_t *buf;
1435 0ab4c957 2022-06-13 stsp size_t len;
1436 0ab4c957 2022-06-13 stsp err = got_packfile_extract_object_to_mem(&buf,
1437 0ab4c957 2022-06-13 stsp &len, obj, pack);
1439 0ab4c957 2022-06-13 stsp goto done;
1440 0ab4c957 2022-06-13 stsp obj->size = len;
1441 0ab4c957 2022-06-13 stsp err = got_object_parse_tag(&tag, buf, len);
1442 0ab4c957 2022-06-13 stsp if (err) {
1443 0ab4c957 2022-06-13 stsp free(buf);
1444 0ab4c957 2022-06-13 stsp goto done;
1446 0ab4c957 2022-06-13 stsp idx = got_packidx_get_object_idx(packidx, &tag->id);
1447 db9b9b1c 2022-06-14 stsp if (idx == -1) {
1448 db9b9b1c 2022-06-14 stsp have_all_entries = 0;
1451 0ab4c957 2022-06-13 stsp err = open_commit(&commit, pack, packidx, idx,
1452 0ab4c957 2022-06-13 stsp &tag->id, objcache);
1453 0ab4c957 2022-06-13 stsp got_object_tag_close(tag);
1454 0ab4c957 2022-06-13 stsp free(buf);
1456 0ab4c957 2022-06-13 stsp goto done;
1457 0ab4c957 2022-06-13 stsp } else if (obj->type == GOT_OBJ_TYPE_COMMIT) {
1458 0ab4c957 2022-06-13 stsp err = open_commit(&commit, pack, packidx, idx,
1459 0ab4c957 2022-06-13 stsp &qid->id, objcache);
1461 0ab4c957 2022-06-13 stsp goto done;
1463 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_OBJ_TYPE);
1464 0ab4c957 2022-06-13 stsp goto done;
1466 0ab4c957 2022-06-13 stsp got_object_close(obj);
1467 0ab4c957 2022-06-13 stsp obj = NULL;
1469 0ab4c957 2022-06-13 stsp err = got_privsep_send_enumerated_commit(ibuf, &qid->id,
1470 0ab4c957 2022-06-13 stsp got_object_commit_get_committer_time(commit));
1472 0ab4c957 2022-06-13 stsp goto done;
1474 0ab4c957 2022-06-13 stsp tree_id = got_object_commit_get_tree_id(commit);
1475 0ab4c957 2022-06-13 stsp idx = got_packidx_get_object_idx(packidx, tree_id);
1476 0ab4c957 2022-06-13 stsp if (idx == -1) {
1477 db9b9b1c 2022-06-14 stsp have_all_entries = 0;
1478 0ab4c957 2022-06-13 stsp err = got_privsep_send_enumerated_tree(&totlen, ibuf,
1479 0ab4c957 2022-06-13 stsp tree_id, "/", NULL, -1);
1481 0ab4c957 2022-06-13 stsp goto done;
1485 0ab4c957 2022-06-13 stsp if (got_object_idset_contains(idset, tree_id)) {
1486 0ab4c957 2022-06-13 stsp got_object_qid_free(qid);
1487 0ab4c957 2022-06-13 stsp qid = NULL;
1488 e1380e28 2023-01-27 stsp err = send_tree_enumeration_done(ibuf);
1490 e1380e28 2023-01-27 stsp goto done;
1494 89a34d6e 2022-06-18 stsp err = enumerate_tree(&have_all_entries, ibuf, &totlen,
1495 89a34d6e 2022-06-18 stsp tree_id, "/", pack, packidx, objcache, idset,
1496 89a34d6e 2022-06-18 stsp &trees, &nalloc, &ntrees);
1498 0ab4c957 2022-06-13 stsp goto done;
1500 0ab4c957 2022-06-13 stsp if (!have_all_entries)
1503 0ab4c957 2022-06-13 stsp got_object_qid_free(qid);
1504 0ab4c957 2022-06-13 stsp qid = NULL;
1506 0ab4c957 2022-06-13 stsp parents = got_object_commit_get_parent_ids(commit);
1507 0ab4c957 2022-06-13 stsp if (parents) {
1508 0ab4c957 2022-06-13 stsp struct got_object_qid *pid;
1509 0ab4c957 2022-06-13 stsp STAILQ_FOREACH(pid, parents, entry) {
1510 0ab4c957 2022-06-13 stsp if (got_object_idset_contains(idset, &pid->id))
1512 0a618912 2023-01-27 stsp if (got_object_idset_contains(queued_ids, &pid->id))
1514 0ab4c957 2022-06-13 stsp err = got_object_qid_alloc_partial(&qid);
1516 0ab4c957 2022-06-13 stsp goto done;
1517 0ab4c957 2022-06-13 stsp memcpy(&qid->id, &pid->id, sizeof(qid->id));
1518 0ab4c957 2022-06-13 stsp STAILQ_INSERT_TAIL(&commit_ids, qid, entry);
1519 0ab4c957 2022-06-13 stsp qid = NULL;
1523 0ab4c957 2022-06-13 stsp got_object_commit_close(commit);
1524 0ab4c957 2022-06-13 stsp commit = NULL;
1527 0ab4c957 2022-06-13 stsp if (have_all_entries) {
1528 0ab4c957 2022-06-13 stsp err = got_privsep_send_object_enumeration_done(ibuf);
1530 db9b9b1c 2022-06-14 stsp goto done;
1532 db9b9b1c 2022-06-14 stsp err = got_privsep_send_object_enumeration_incomplete(ibuf);
1534 0ab4c957 2022-06-13 stsp goto done;
1538 0ab4c957 2022-06-13 stsp got_object_close(obj);
1539 0ab4c957 2022-06-13 stsp if (commit)
1540 0ab4c957 2022-06-13 stsp got_object_commit_close(commit);
1541 0ab4c957 2022-06-13 stsp got_object_qid_free(qid);
1542 0ab4c957 2022-06-13 stsp got_object_id_queue_free(&commit_ids);
1543 0ab4c957 2022-06-13 stsp if (idset)
1544 0ab4c957 2022-06-13 stsp got_object_idset_free(idset);
1545 0a618912 2023-01-27 stsp if (queued_ids)
1546 0a618912 2023-01-27 stsp got_object_idset_free(queued_ids);
1547 0ab4c957 2022-06-13 stsp for (i = 0; i < ntrees; i++) {
1548 0ab4c957 2022-06-13 stsp struct enumerated_tree *tree = &trees[i];
1549 0ab4c957 2022-06-13 stsp free(tree->buf);
1550 0ab4c957 2022-06-13 stsp free(tree->path);
1551 0ab4c957 2022-06-13 stsp free(tree->entries);
1553 0ab4c957 2022-06-13 stsp free(trees);
1554 0ab4c957 2022-06-13 stsp return err;
1557 61af9b21 2022-06-28 stsp enum findtwixt_color {
1558 61af9b21 2022-06-28 stsp COLOR_KEEP = 0,
1559 61af9b21 2022-06-28 stsp COLOR_DROP,
1560 61af9b21 2022-06-28 stsp COLOR_SKIP,
1561 61af9b21 2022-06-28 stsp COLOR_MAX,
1564 0ab4c957 2022-06-13 stsp static const struct got_error *
1565 61af9b21 2022-06-28 stsp paint_commit(struct got_object_qid *qid, intptr_t color)
1567 61af9b21 2022-06-28 stsp if (color < 0 || color >= COLOR_MAX)
1568 61af9b21 2022-06-28 stsp return got_error(GOT_ERR_RANGE);
1570 61af9b21 2022-06-28 stsp qid->data = (void *)color;
1571 61af9b21 2022-06-28 stsp return NULL;
1574 61af9b21 2022-06-28 stsp static const struct got_error *
1575 61af9b21 2022-06-28 stsp queue_commit_id(struct got_object_id_queue *ids, struct got_object_id *id,
1576 61af9b21 2022-06-28 stsp intptr_t color)
1578 61af9b21 2022-06-28 stsp const struct got_error *err;
1579 61af9b21 2022-06-28 stsp struct got_object_qid *qid;
1581 61af9b21 2022-06-28 stsp err = got_object_qid_alloc_partial(&qid);
1583 61af9b21 2022-06-28 stsp return err;
1585 61af9b21 2022-06-28 stsp memcpy(&qid->id, id, sizeof(qid->id));
1586 61af9b21 2022-06-28 stsp STAILQ_INSERT_TAIL(ids, qid, entry);
1587 61af9b21 2022-06-28 stsp return paint_commit(qid, color);
1590 61af9b21 2022-06-28 stsp static const struct got_error *
1591 61af9b21 2022-06-28 stsp paint_commits(struct got_object_id_queue *ids, int *nids,
1592 61af9b21 2022-06-28 stsp struct got_object_idset *keep, struct got_object_idset *drop,
1593 61af9b21 2022-06-28 stsp struct got_object_idset *skip, struct got_pack *pack,
1594 61af9b21 2022-06-28 stsp struct got_packidx *packidx, struct imsgbuf *ibuf,
1595 61af9b21 2022-06-28 stsp struct got_object_cache *objcache)
1597 61af9b21 2022-06-28 stsp const struct got_error *err = NULL;
1598 61af9b21 2022-06-28 stsp struct got_commit_object *commit = NULL;
1599 61af9b21 2022-06-28 stsp struct got_object_id_queue painted;
1600 61af9b21 2022-06-28 stsp const struct got_object_id_queue *parents;
1601 61af9b21 2022-06-28 stsp struct got_object_qid *qid = NULL;
1602 61af9b21 2022-06-28 stsp int nqueued = *nids, nskip = 0, npainted = 0;
1604 61af9b21 2022-06-28 stsp STAILQ_INIT(&painted);
1606 61af9b21 2022-06-28 stsp while (!STAILQ_EMPTY(ids) && nskip != nqueued) {
1608 61af9b21 2022-06-28 stsp intptr_t color;
1610 61af9b21 2022-06-28 stsp if (sigint_received) {
1611 61af9b21 2022-06-28 stsp err = got_error(GOT_ERR_CANCELLED);
1612 61af9b21 2022-06-28 stsp goto done;
1615 61af9b21 2022-06-28 stsp qid = STAILQ_FIRST(ids);
1616 61af9b21 2022-06-28 stsp idx = got_packidx_get_object_idx(packidx, &qid->id);
1617 61af9b21 2022-06-28 stsp if (idx == -1) {
1618 61af9b21 2022-06-28 stsp qid = NULL;
1622 61af9b21 2022-06-28 stsp STAILQ_REMOVE_HEAD(ids, entry);
1623 61af9b21 2022-06-28 stsp nqueued--;
1624 61af9b21 2022-06-28 stsp color = (intptr_t)qid->data;
1625 61af9b21 2022-06-28 stsp if (color == COLOR_SKIP)
1628 61af9b21 2022-06-28 stsp if (got_object_idset_contains(skip, &qid->id)) {
1629 61af9b21 2022-06-28 stsp got_object_qid_free(qid);
1630 61af9b21 2022-06-28 stsp qid = NULL;
1634 61af9b21 2022-06-28 stsp switch (color) {
1635 61af9b21 2022-06-28 stsp case COLOR_KEEP:
1636 61af9b21 2022-06-28 stsp if (got_object_idset_contains(keep, &qid->id)) {
1637 61af9b21 2022-06-28 stsp got_object_qid_free(qid);
1638 61af9b21 2022-06-28 stsp qid = NULL;
1641 61af9b21 2022-06-28 stsp if (got_object_idset_contains(drop, &qid->id)) {
1642 61af9b21 2022-06-28 stsp err = paint_commit(qid, COLOR_SKIP);
1644 61af9b21 2022-06-28 stsp goto done;
1646 61af9b21 2022-06-28 stsp err = got_object_idset_add(keep, &qid->id, NULL);
1648 61af9b21 2022-06-28 stsp goto done;
1650 61af9b21 2022-06-28 stsp case COLOR_DROP:
1651 61af9b21 2022-06-28 stsp if (got_object_idset_contains(drop, &qid->id)) {
1652 61af9b21 2022-06-28 stsp got_object_qid_free(qid);
1653 61af9b21 2022-06-28 stsp qid = NULL;
1656 61af9b21 2022-06-28 stsp if (got_object_idset_contains(keep, &qid->id)) {
1657 61af9b21 2022-06-28 stsp err = paint_commit(qid, COLOR_SKIP);
1659 61af9b21 2022-06-28 stsp goto done;
1661 61af9b21 2022-06-28 stsp err = got_object_idset_add(drop, &qid->id, NULL);
1663 61af9b21 2022-06-28 stsp goto done;
1665 61af9b21 2022-06-28 stsp case COLOR_SKIP:
1666 61af9b21 2022-06-28 stsp if (!got_object_idset_contains(skip, &qid->id)) {
1667 61af9b21 2022-06-28 stsp err = got_object_idset_add(skip, &qid->id,
1670 61af9b21 2022-06-28 stsp goto done;
1674 61af9b21 2022-06-28 stsp /* should not happen */
1675 61af9b21 2022-06-28 stsp err = got_error_fmt(GOT_ERR_NOT_IMPL,
1676 756050ac 2022-07-19 op "%s invalid commit color %"PRIdPTR, __func__,
1678 61af9b21 2022-06-28 stsp goto done;
1681 61af9b21 2022-06-28 stsp err = open_commit(&commit, pack, packidx, idx, &qid->id,
1682 61af9b21 2022-06-28 stsp objcache);
1684 61af9b21 2022-06-28 stsp goto done;
1686 61af9b21 2022-06-28 stsp parents = got_object_commit_get_parent_ids(commit);
1687 61af9b21 2022-06-28 stsp if (parents) {
1688 61af9b21 2022-06-28 stsp struct got_object_qid *pid;
1689 61af9b21 2022-06-28 stsp color = (intptr_t)qid->data;
1690 61af9b21 2022-06-28 stsp STAILQ_FOREACH(pid, parents, entry) {
1691 61af9b21 2022-06-28 stsp err = queue_commit_id(ids, &pid->id, color);
1693 61af9b21 2022-06-28 stsp goto done;
1694 61af9b21 2022-06-28 stsp nqueued++;
1695 61af9b21 2022-06-28 stsp if (color == COLOR_SKIP)
1700 61af9b21 2022-06-28 stsp got_object_commit_close(commit);
1701 61af9b21 2022-06-28 stsp commit = NULL;
1703 61af9b21 2022-06-28 stsp STAILQ_INSERT_TAIL(&painted, qid, entry);
1704 61af9b21 2022-06-28 stsp qid = NULL;
1705 61af9b21 2022-06-28 stsp npainted++;
1707 61af9b21 2022-06-28 stsp err = got_privsep_send_painted_commits(ibuf, &painted,
1708 61af9b21 2022-06-28 stsp &npainted, 1, 0);
1710 61af9b21 2022-06-28 stsp goto done;
1713 61af9b21 2022-06-28 stsp err = got_privsep_send_painted_commits(ibuf, &painted, &npainted, 1, 1);
1715 61af9b21 2022-06-28 stsp goto done;
1717 61af9b21 2022-06-28 stsp *nids = nqueued;
1719 61af9b21 2022-06-28 stsp if (commit)
1720 61af9b21 2022-06-28 stsp got_object_commit_close(commit);
1721 61af9b21 2022-06-28 stsp got_object_qid_free(qid);
1722 61af9b21 2022-06-28 stsp return err;
1725 61af9b21 2022-06-28 stsp static void
1726 61af9b21 2022-06-28 stsp commit_painting_free(struct got_object_idset **keep,
1727 61af9b21 2022-06-28 stsp struct got_object_idset **drop,
1728 61af9b21 2022-06-28 stsp struct got_object_idset **skip)
1730 61af9b21 2022-06-28 stsp if (*keep) {
1731 61af9b21 2022-06-28 stsp got_object_idset_free(*keep);
1732 61af9b21 2022-06-28 stsp *keep = NULL;
1734 61af9b21 2022-06-28 stsp if (*drop) {
1735 61af9b21 2022-06-28 stsp got_object_idset_free(*drop);
1736 61af9b21 2022-06-28 stsp *drop = NULL;
1738 61af9b21 2022-06-28 stsp if (*skip) {
1739 5e91dae4 2022-08-30 stsp got_object_idset_free(*skip);
1740 61af9b21 2022-06-28 stsp *skip = NULL;
1744 61af9b21 2022-06-28 stsp static const struct got_error *
1745 61af9b21 2022-06-28 stsp commit_painting_init(struct imsgbuf *ibuf, struct got_object_idset **keep,
1746 61af9b21 2022-06-28 stsp struct got_object_idset **drop, struct got_object_idset **skip)
1748 61af9b21 2022-06-28 stsp const struct got_error *err = NULL;
1750 61af9b21 2022-06-28 stsp *keep = got_object_idset_alloc();
1751 61af9b21 2022-06-28 stsp if (*keep == NULL) {
1752 61af9b21 2022-06-28 stsp err = got_error_from_errno("got_object_idset_alloc");
1753 61af9b21 2022-06-28 stsp goto done;
1755 61af9b21 2022-06-28 stsp *drop = got_object_idset_alloc();
1756 61af9b21 2022-06-28 stsp if (*drop == NULL) {
1757 61af9b21 2022-06-28 stsp err = got_error_from_errno("got_object_idset_alloc");
1758 61af9b21 2022-06-28 stsp goto done;
1760 61af9b21 2022-06-28 stsp *skip = got_object_idset_alloc();
1761 61af9b21 2022-06-28 stsp if (*skip == NULL) {
1762 61af9b21 2022-06-28 stsp err = got_error_from_errno("got_object_idset_alloc");
1763 61af9b21 2022-06-28 stsp goto done;
1766 61af9b21 2022-06-28 stsp err = recv_object_ids(*keep, ibuf);
1768 61af9b21 2022-06-28 stsp goto done;
1769 61af9b21 2022-06-28 stsp err = recv_object_ids(*drop, ibuf);
1771 61af9b21 2022-06-28 stsp goto done;
1772 61af9b21 2022-06-28 stsp err = recv_object_ids(*skip, ibuf);
1774 61af9b21 2022-06-28 stsp goto done;
1778 61af9b21 2022-06-28 stsp commit_painting_free(keep, drop, skip);
1780 61af9b21 2022-06-28 stsp return err;
1783 61af9b21 2022-06-28 stsp static const struct got_error *
1784 61af9b21 2022-06-28 stsp commit_painting_request(struct imsg *imsg, struct imsgbuf *ibuf,
1785 61af9b21 2022-06-28 stsp struct got_pack *pack, struct got_packidx *packidx,
1786 61af9b21 2022-06-28 stsp struct got_object_cache *objcache, struct got_object_idset *keep,
1787 61af9b21 2022-06-28 stsp struct got_object_idset *drop, struct got_object_idset *skip)
1789 61af9b21 2022-06-28 stsp const struct got_error *err = NULL;
1790 61af9b21 2022-06-28 stsp struct got_imsg_commit_painting_request ireq;
1791 61af9b21 2022-06-28 stsp struct got_object_id id;
1792 61af9b21 2022-06-28 stsp size_t datalen;
1793 61af9b21 2022-06-28 stsp struct got_object_id_queue ids;
1794 61af9b21 2022-06-28 stsp int nids = 0;
1796 61af9b21 2022-06-28 stsp STAILQ_INIT(&ids);
1798 61af9b21 2022-06-28 stsp datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1799 61af9b21 2022-06-28 stsp if (datalen != sizeof(ireq))
1800 61af9b21 2022-06-28 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1801 61af9b21 2022-06-28 stsp memcpy(&ireq, imsg->data, sizeof(ireq));
1802 076fbedc 2023-02-19 op memcpy(&id, &ireq.id, sizeof(id));
1804 61af9b21 2022-06-28 stsp err = queue_commit_id(&ids, &id, ireq.color);
1806 61af9b21 2022-06-28 stsp return err;
1809 61af9b21 2022-06-28 stsp err = paint_commits(&ids, &nids, keep, drop, skip,
1810 61af9b21 2022-06-28 stsp pack, packidx, ibuf, objcache);
1812 61af9b21 2022-06-28 stsp goto done;
1814 61af9b21 2022-06-28 stsp err = got_privsep_send_painted_commits(ibuf, &ids, &nids, 0, 1);
1816 61af9b21 2022-06-28 stsp goto done;
1818 61af9b21 2022-06-28 stsp err = got_privsep_send_painting_commits_done(ibuf);
1820 61af9b21 2022-06-28 stsp got_object_id_queue_free(&ids);
1821 61af9b21 2022-06-28 stsp return err;
1824 61af9b21 2022-06-28 stsp static const struct got_error *
1825 876c234b 2018-09-10 stsp receive_pack(struct got_pack **packp, struct imsgbuf *ibuf)
1827 876c234b 2018-09-10 stsp const struct got_error *err = NULL;
1828 876c234b 2018-09-10 stsp struct imsg imsg;
1829 876c234b 2018-09-10 stsp struct got_imsg_pack ipack;
1830 876c234b 2018-09-10 stsp size_t datalen;
1831 876c234b 2018-09-10 stsp struct got_pack *pack;
1833 876c234b 2018-09-10 stsp *packp = NULL;
1835 876c234b 2018-09-10 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1837 876c234b 2018-09-10 stsp return err;
1839 876c234b 2018-09-10 stsp pack = calloc(1, sizeof(*pack));
1840 876c234b 2018-09-10 stsp if (pack == NULL) {
1841 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
1842 876c234b 2018-09-10 stsp goto done;
1845 876c234b 2018-09-10 stsp if (imsg.hdr.type != GOT_IMSG_PACK) {
1846 876c234b 2018-09-10 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1847 876c234b 2018-09-10 stsp goto done;
1850 876c234b 2018-09-10 stsp if (imsg.fd == -1) {
1851 876c234b 2018-09-10 stsp err = got_error(GOT_ERR_PRIVSEP_NO_FD);
1852 876c234b 2018-09-10 stsp goto done;
1855 876c234b 2018-09-10 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1856 876c234b 2018-09-10 stsp if (datalen != sizeof(ipack)) {
1857 876c234b 2018-09-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1858 876c234b 2018-09-10 stsp goto done;
1860 876c234b 2018-09-10 stsp memcpy(&ipack, imsg.data, sizeof(ipack));
1862 876c234b 2018-09-10 stsp pack->filesize = ipack.filesize;
1863 876c234b 2018-09-10 stsp pack->fd = dup(imsg.fd);
1864 876c234b 2018-09-10 stsp if (pack->fd == -1) {
1865 638f9024 2019-05-13 stsp err = got_error_from_errno("dup");
1866 876c234b 2018-09-10 stsp goto done;
1868 56bef47a 2018-09-15 stsp if (lseek(pack->fd, 0, SEEK_SET) == -1) {
1869 638f9024 2019-05-13 stsp err = got_error_from_errno("lseek");
1870 56bef47a 2018-09-15 stsp goto done;
1872 876c234b 2018-09-10 stsp pack->path_packfile = strdup(ipack.path_packfile);
1873 876c234b 2018-09-10 stsp if (pack->path_packfile == NULL) {
1874 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1875 ab2f42e7 2019-11-10 stsp goto done;
1878 dac5c75e 2022-06-04 stsp err = got_delta_cache_alloc(&pack->delta_cache);
1880 876c234b 2018-09-10 stsp goto done;
1882 876c234b 2018-09-10 stsp #ifndef GOT_PACK_NO_MMAP
1883 1c28a361 2022-10-25 op if (pack->filesize > 0 && pack->filesize <= SIZE_MAX) {
1884 1c28a361 2022-10-25 op pack->map = mmap(NULL, pack->filesize, PROT_READ, MAP_PRIVATE,
1885 1c28a361 2022-10-25 op pack->fd, 0);
1886 1c28a361 2022-10-25 op if (pack->map == MAP_FAILED)
1887 1c28a361 2022-10-25 op pack->map = NULL; /* fall back to read(2) */
1891 876c234b 2018-09-10 stsp if (err) {
1892 876c234b 2018-09-10 stsp if (imsg.fd != -1)
1893 876c234b 2018-09-10 stsp close(imsg.fd);
1894 876c234b 2018-09-10 stsp free(pack);
1896 876c234b 2018-09-10 stsp *packp = pack;
1897 876c234b 2018-09-10 stsp imsg_free(&imsg);
1898 876c234b 2018-09-10 stsp return err;
1902 876c234b 2018-09-10 stsp main(int argc, char *argv[])
1904 876c234b 2018-09-10 stsp const struct got_error *err = NULL;
1905 876c234b 2018-09-10 stsp struct imsgbuf ibuf;
1906 876c234b 2018-09-10 stsp struct imsg imsg;
1907 c59b3346 2018-09-11 stsp struct got_packidx *packidx = NULL;
1908 c59b3346 2018-09-11 stsp struct got_pack *pack = NULL;
1909 c59b3346 2018-09-11 stsp struct got_object_cache objcache;
1910 67fd6849 2022-02-13 stsp FILE *basefile = NULL, *accumfile = NULL, *delta_outfile = NULL;
1911 61af9b21 2022-06-28 stsp struct got_object_idset *keep = NULL, *drop = NULL, *skip = NULL;
1912 d294b1dc 2022-10-18 stsp struct got_parsed_tree_entry *entries = NULL;
1913 d294b1dc 2022-10-18 stsp size_t nentries = 0, nentries_alloc = 0;
1915 876c234b 2018-09-10 stsp //static int attached;
1916 876c234b 2018-09-10 stsp //while (!attached) sleep(1);
1918 99437157 2018-11-11 stsp signal(SIGINT, catch_sigint);
1920 876c234b 2018-09-10 stsp imsg_init(&ibuf, GOT_IMSG_FD_CHILD);
1922 c59b3346 2018-09-11 stsp err = got_object_cache_init(&objcache, GOT_OBJECT_CACHE_TYPE_OBJ);
1923 c59b3346 2018-09-11 stsp if (err) {
1924 638f9024 2019-05-13 stsp err = got_error_from_errno("got_object_cache_init");
1925 c59b3346 2018-09-11 stsp got_privsep_send_error(&ibuf, err);
1929 2ff12563 2018-09-15 stsp #ifndef PROFILE
1930 876c234b 2018-09-10 stsp /* revoke access to most system calls */
1931 876c234b 2018-09-10 stsp if (pledge("stdio recvfd", NULL) == -1) {
1932 638f9024 2019-05-13 stsp err = got_error_from_errno("pledge");
1933 876c234b 2018-09-10 stsp got_privsep_send_error(&ibuf, err);
1938 876c234b 2018-09-10 stsp err = receive_packidx(&packidx, &ibuf);
1939 876c234b 2018-09-10 stsp if (err) {
1940 876c234b 2018-09-10 stsp got_privsep_send_error(&ibuf, err);
1944 876c234b 2018-09-10 stsp err = receive_pack(&pack, &ibuf);
1945 876c234b 2018-09-10 stsp if (err) {
1946 876c234b 2018-09-10 stsp got_privsep_send_error(&ibuf, err);
1951 876c234b 2018-09-10 stsp imsg.fd = -1;
1953 99437157 2018-11-11 stsp if (sigint_received) {
1954 99437157 2018-11-11 stsp err = got_error(GOT_ERR_CANCELLED);
1958 876c234b 2018-09-10 stsp err = got_privsep_recv_imsg(&imsg, &ibuf, 0);
1959 876c234b 2018-09-10 stsp if (err) {
1960 876c234b 2018-09-10 stsp if (err->code == GOT_ERR_PRIVSEP_PIPE)
1961 876c234b 2018-09-10 stsp err = NULL;
1965 876c234b 2018-09-10 stsp if (imsg.hdr.type == GOT_IMSG_STOP)
1968 876c234b 2018-09-10 stsp switch (imsg.hdr.type) {
1969 db696021 2022-01-04 stsp case GOT_IMSG_TMPFD:
1970 67fd6849 2022-02-13 stsp if (basefile == NULL) {
1971 67fd6849 2022-02-13 stsp err = receive_tempfile(&basefile, "w+",
1972 67fd6849 2022-02-13 stsp &imsg, &ibuf);
1973 67fd6849 2022-02-13 stsp } else if (accumfile == NULL) {
1974 67fd6849 2022-02-13 stsp err = receive_tempfile(&accumfile, "w+",
1975 67fd6849 2022-02-13 stsp &imsg, &ibuf);
1977 67fd6849 2022-02-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1979 876c234b 2018-09-10 stsp case GOT_IMSG_PACKED_OBJECT_REQUEST:
1980 c59b3346 2018-09-11 stsp err = object_request(&imsg, &ibuf, pack, packidx,
1981 c59b3346 2018-09-11 stsp &objcache);
1983 59d1e4a0 2021-03-10 stsp case GOT_IMSG_PACKED_RAW_OBJECT_REQUEST:
1984 db696021 2022-01-04 stsp if (basefile == NULL || accumfile == NULL) {
1985 db696021 2022-01-04 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1988 59d1e4a0 2021-03-10 stsp err = raw_object_request(&imsg, &ibuf, pack, packidx,
1989 db696021 2022-01-04 stsp &objcache, basefile, accumfile);
1991 67fd6849 2022-02-13 stsp case GOT_IMSG_RAW_DELTA_OUTFD:
1992 67fd6849 2022-02-13 stsp if (delta_outfile != NULL) {
1993 67fd6849 2022-02-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1996 67fd6849 2022-02-13 stsp err = receive_tempfile(&delta_outfile, "w",
1997 67fd6849 2022-02-13 stsp &imsg, &ibuf);
1999 67fd6849 2022-02-13 stsp case GOT_IMSG_RAW_DELTA_REQUEST:
2000 67fd6849 2022-02-13 stsp if (delta_outfile == NULL) {
2001 67fd6849 2022-02-13 stsp err = got_error(GOT_ERR_PRIVSEP_NO_FD);
2004 67fd6849 2022-02-13 stsp err = raw_delta_request(&imsg, &ibuf, delta_outfile,
2005 67fd6849 2022-02-13 stsp pack, packidx);
2007 fae7e038 2022-05-07 stsp case GOT_IMSG_DELTA_REUSE_REQUEST:
2008 24b7de1c 2022-12-03 stsp err = delta_reuse_request(&imsg, &ibuf, pack, packidx);
2010 876c234b 2018-09-10 stsp case GOT_IMSG_COMMIT_REQUEST:
2011 c59b3346 2018-09-11 stsp err = commit_request(&imsg, &ibuf, pack, packidx,
2012 7762fe12 2018-11-05 stsp &objcache);
2014 876c234b 2018-09-10 stsp case GOT_IMSG_TREE_REQUEST:
2015 c59b3346 2018-09-11 stsp err = tree_request(&imsg, &ibuf, pack, packidx,
2016 d294b1dc 2022-10-18 stsp &objcache, &entries, &nentries, &nentries_alloc);
2018 876c234b 2018-09-10 stsp case GOT_IMSG_BLOB_REQUEST:
2019 db696021 2022-01-04 stsp if (basefile == NULL || accumfile == NULL) {
2020 db696021 2022-01-04 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2023 c59b3346 2018-09-11 stsp err = blob_request(&imsg, &ibuf, pack, packidx,
2024 db696021 2022-01-04 stsp &objcache, basefile, accumfile);
2026 f4a881ce 2018-11-17 stsp case GOT_IMSG_TAG_REQUEST:
2027 f4a881ce 2018-11-17 stsp err = tag_request(&imsg, &ibuf, pack, packidx,
2028 62d463ca 2020-10-20 naddy &objcache);
2030 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT_TRAVERSAL_REQUEST:
2031 ca6e02ac 2020-01-07 stsp err = commit_traversal_request(&imsg, &ibuf, pack,
2032 ca6e02ac 2020-01-07 stsp packidx, &objcache);
2034 0ab4c957 2022-06-13 stsp case GOT_IMSG_OBJECT_ENUMERATION_REQUEST:
2035 0ab4c957 2022-06-13 stsp err = enumeration_request(&imsg, &ibuf, pack,
2036 0ab4c957 2022-06-13 stsp packidx, &objcache);
2038 61af9b21 2022-06-28 stsp case GOT_IMSG_COMMIT_PAINTING_INIT:
2039 61af9b21 2022-06-28 stsp commit_painting_free(&keep, &drop, &skip);
2040 61af9b21 2022-06-28 stsp err = commit_painting_init(&ibuf, &keep, &drop, &skip);
2042 61af9b21 2022-06-28 stsp case GOT_IMSG_COMMIT_PAINTING_REQUEST:
2043 61af9b21 2022-06-28 stsp if (keep == NULL || drop == NULL || skip == NULL) {
2044 61af9b21 2022-06-28 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2047 61af9b21 2022-06-28 stsp err = commit_painting_request(&imsg, &ibuf, pack,
2048 61af9b21 2022-06-28 stsp packidx, &objcache, keep, drop, skip);
2050 61af9b21 2022-06-28 stsp case GOT_IMSG_COMMIT_PAINTING_DONE:
2051 61af9b21 2022-06-28 stsp commit_painting_free(&keep, &drop, &skip);
2054 876c234b 2018-09-10 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2058 08578a35 2021-01-22 stsp if (imsg.fd != -1 && close(imsg.fd) == -1 && err == NULL)
2059 638f9024 2019-05-13 stsp err = got_error_from_errno("close");
2060 876c234b 2018-09-10 stsp imsg_free(&imsg);
2065 d294b1dc 2022-10-18 stsp free(entries);
2066 61af9b21 2022-06-28 stsp commit_painting_free(&keep, &drop, &skip);
2067 c59b3346 2018-09-11 stsp if (packidx)
2068 c59b3346 2018-09-11 stsp got_packidx_close(packidx);
2070 c59b3346 2018-09-11 stsp got_pack_close(pack);
2071 48d5fe42 2018-09-15 stsp got_object_cache_close(&objcache);
2072 876c234b 2018-09-10 stsp imsg_clear(&ibuf);
2073 db696021 2022-01-04 stsp if (basefile && fclose(basefile) == EOF && err == NULL)
2074 db696021 2022-01-04 stsp err = got_error_from_errno("fclose");
2075 db696021 2022-01-04 stsp if (accumfile && fclose(accumfile) == EOF && err == NULL)
2076 db696021 2022-01-04 stsp err = got_error_from_errno("fclose");
2077 67fd6849 2022-02-13 stsp if (delta_outfile && fclose(delta_outfile) == EOF && err == NULL)
2078 67fd6849 2022-02-13 stsp err = got_error_from_errno("fclose");
2079 99437157 2018-11-11 stsp if (err) {
2080 80d5f134 2018-11-11 stsp if (!sigint_received && err->code != GOT_ERR_PRIVSEP_PIPE) {
2081 80d5f134 2018-11-11 stsp fprintf(stderr, "%s: %s\n", getprogname(), err->msg);
2082 99437157 2018-11-11 stsp got_privsep_send_error(&ibuf, err);
2085 08578a35 2021-01-22 stsp if (close(GOT_IMSG_FD_CHILD) == -1 && err == NULL)
2086 638f9024 2019-05-13 stsp err = got_error_from_errno("close");
2087 876c234b 2018-09-10 stsp return err ? 1 : 0;
