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 876c234b 2018-09-10 stsp #include <sys/types.h>
18 876c234b 2018-09-10 stsp #include <sys/queue.h>
19 876c234b 2018-09-10 stsp #include <sys/uio.h>
20 876c234b 2018-09-10 stsp #include <sys/time.h>
21 876c234b 2018-09-10 stsp #include <sys/syslimits.h>
22 876c234b 2018-09-10 stsp #include <sys/mman.h>
24 876c234b 2018-09-10 stsp #include <limits.h>
25 99437157 2018-11-11 stsp #include <signal.h>
26 876c234b 2018-09-10 stsp #include <stdint.h>
27 876c234b 2018-09-10 stsp #include <imsg.h>
28 876c234b 2018-09-10 stsp #include <stdio.h>
29 876c234b 2018-09-10 stsp #include <stdlib.h>
30 876c234b 2018-09-10 stsp #include <string.h>
31 876c234b 2018-09-10 stsp #include <sha1.h>
32 81a12da5 2020-09-09 naddy #include <unistd.h>
33 876c234b 2018-09-10 stsp #include <zlib.h>
35 876c234b 2018-09-10 stsp #include "got_error.h"
36 876c234b 2018-09-10 stsp #include "got_object.h"
37 3022d272 2019-11-14 stsp #include "got_path.h"
39 876c234b 2018-09-10 stsp #include "got_lib_delta.h"
40 ab2f42e7 2019-11-10 stsp #include "got_lib_delta_cache.h"
41 876c234b 2018-09-10 stsp #include "got_lib_object.h"
42 c59b3346 2018-09-11 stsp #include "got_lib_object_cache.h"
43 876c234b 2018-09-10 stsp #include "got_lib_object_parse.h"
44 876c234b 2018-09-10 stsp #include "got_lib_privsep.h"
45 876c234b 2018-09-10 stsp #include "got_lib_pack.h"
47 99437157 2018-11-11 stsp static volatile sig_atomic_t sigint_received;
50 99437157 2018-11-11 stsp catch_sigint(int signo)
52 99437157 2018-11-11 stsp sigint_received = 1;
55 876c234b 2018-09-10 stsp static const struct got_error *
56 704b89c4 2019-05-23 stsp open_object(struct got_object **obj, struct got_pack *pack,
57 704b89c4 2019-05-23 stsp struct got_packidx *packidx, int idx, struct got_object_id *id,
58 704b89c4 2019-05-23 stsp struct got_object_cache *objcache)
60 704b89c4 2019-05-23 stsp const struct got_error *err;
62 704b89c4 2019-05-23 stsp err = got_packfile_open_object(obj, pack, packidx, idx, id);
65 704b89c4 2019-05-23 stsp (*obj)->refcnt++;
67 704b89c4 2019-05-23 stsp err = got_object_cache_add(objcache, id, *obj);
69 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
70 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
74 704b89c4 2019-05-23 stsp (*obj)->refcnt++;
75 704b89c4 2019-05-23 stsp return NULL;
78 704b89c4 2019-05-23 stsp static const struct got_error *
79 876c234b 2018-09-10 stsp object_request(struct imsg *imsg, struct imsgbuf *ibuf, struct got_pack *pack,
80 c59b3346 2018-09-11 stsp struct got_packidx *packidx, struct got_object_cache *objcache)
82 876c234b 2018-09-10 stsp const struct got_error *err = NULL;
83 876c234b 2018-09-10 stsp struct got_imsg_packed_object iobj;
84 876c234b 2018-09-10 stsp struct got_object *obj;
85 106807b4 2018-09-15 stsp struct got_object_id id;
86 876c234b 2018-09-10 stsp size_t datalen;
88 876c234b 2018-09-10 stsp datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
89 876c234b 2018-09-10 stsp if (datalen != sizeof(iobj))
90 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
91 876c234b 2018-09-10 stsp memcpy(&iobj, imsg->data, sizeof(iobj));
92 106807b4 2018-09-15 stsp memcpy(id.sha1, iobj.id, SHA1_DIGEST_LENGTH);
94 704b89c4 2019-05-23 stsp obj = got_object_cache_get(objcache, &id);
96 704b89c4 2019-05-23 stsp obj->refcnt++;
98 704b89c4 2019-05-23 stsp err = open_object(&obj, pack, packidx, iobj.idx, &id,
104 876c234b 2018-09-10 stsp err = got_privsep_send_obj(ibuf, obj);
106 876c234b 2018-09-10 stsp got_object_close(obj);
107 876c234b 2018-09-10 stsp return err;
110 ca6e02ac 2020-01-07 stsp const struct got_error *
111 ca6e02ac 2020-01-07 stsp open_commit(struct got_commit_object **commit, struct got_pack *pack,
112 ca6e02ac 2020-01-07 stsp struct got_packidx *packidx, int obj_idx, struct got_object_id *id,
113 ca6e02ac 2020-01-07 stsp struct got_object_cache *objcache)
115 cfd633c2 2018-09-10 stsp const struct got_error *err = NULL;
116 cb5e38fd 2019-05-23 stsp struct got_object *obj = NULL;
117 cb5e38fd 2019-05-23 stsp uint8_t *buf = NULL;
118 cfd633c2 2018-09-10 stsp size_t len;
120 ca6e02ac 2020-01-07 stsp *commit = NULL;
122 ca6e02ac 2020-01-07 stsp obj = got_object_cache_get(objcache, id);
124 704b89c4 2019-05-23 stsp obj->refcnt++;
126 ca6e02ac 2020-01-07 stsp err = open_object(&obj, pack, packidx, obj_idx, id,
129 704b89c4 2019-05-23 stsp return err;
132 cfd633c2 2018-09-10 stsp err = got_packfile_extract_object_to_mem(&buf, &len, obj, pack);
136 cfd633c2 2018-09-10 stsp obj->size = len;
138 ca6e02ac 2020-01-07 stsp err = got_object_parse_commit(commit, buf, len);
140 ca6e02ac 2020-01-07 stsp got_object_close(obj);
142 ca6e02ac 2020-01-07 stsp return err;
145 ca6e02ac 2020-01-07 stsp static const struct got_error *
146 ca6e02ac 2020-01-07 stsp commit_request(struct imsg *imsg, struct imsgbuf *ibuf, struct got_pack *pack,
147 ca6e02ac 2020-01-07 stsp struct got_packidx *packidx, struct got_object_cache *objcache)
149 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
150 ca6e02ac 2020-01-07 stsp struct got_imsg_packed_object iobj;
151 ca6e02ac 2020-01-07 stsp struct got_commit_object *commit = NULL;
152 ca6e02ac 2020-01-07 stsp struct got_object_id id;
153 ca6e02ac 2020-01-07 stsp size_t datalen;
155 ca6e02ac 2020-01-07 stsp datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
156 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(iobj))
157 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
158 ca6e02ac 2020-01-07 stsp memcpy(&iobj, imsg->data, sizeof(iobj));
159 ca6e02ac 2020-01-07 stsp memcpy(id.sha1, iobj.id, SHA1_DIGEST_LENGTH);
161 ca6e02ac 2020-01-07 stsp err = open_commit(&commit, pack, packidx, iobj.idx, &id, objcache);
165 cfd633c2 2018-09-10 stsp err = got_privsep_send_commit(ibuf, commit);
167 cb5e38fd 2019-05-23 stsp if (commit)
168 cb5e38fd 2019-05-23 stsp got_object_commit_close(commit);
170 7762fe12 2018-11-05 stsp if (err->code == GOT_ERR_PRIVSEP_PIPE)
171 7762fe12 2018-11-05 stsp err = NULL;
173 7762fe12 2018-11-05 stsp got_privsep_send_error(ibuf, err);
176 7762fe12 2018-11-05 stsp return err;
179 ca6e02ac 2020-01-07 stsp const struct got_error *
180 ca6e02ac 2020-01-07 stsp open_tree(uint8_t **buf, struct got_pathlist_head *entries, int *nentries,
181 ca6e02ac 2020-01-07 stsp struct got_pack *pack, struct got_packidx *packidx, int obj_idx,
182 ca6e02ac 2020-01-07 stsp struct got_object_id *id, struct got_object_cache *objcache)
184 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
185 ca6e02ac 2020-01-07 stsp struct got_object *obj = NULL;
186 ca6e02ac 2020-01-07 stsp size_t len;
188 ca6e02ac 2020-01-07 stsp *buf = NULL;
189 ca6e02ac 2020-01-07 stsp *nentries = 0;
191 ca6e02ac 2020-01-07 stsp obj = got_object_cache_get(objcache, id);
193 ca6e02ac 2020-01-07 stsp obj->refcnt++;
195 ca6e02ac 2020-01-07 stsp err = open_object(&obj, pack, packidx, obj_idx, id,
198 ca6e02ac 2020-01-07 stsp return err;
201 ca6e02ac 2020-01-07 stsp err = got_packfile_extract_object_to_mem(buf, &len, obj, pack);
205 ca6e02ac 2020-01-07 stsp obj->size = len;
207 ca6e02ac 2020-01-07 stsp err = got_object_parse_tree(entries, nentries, *buf, len);
209 ca6e02ac 2020-01-07 stsp got_object_close(obj);
211 ca6e02ac 2020-01-07 stsp free(*buf);
212 ca6e02ac 2020-01-07 stsp *buf = NULL;
214 ca6e02ac 2020-01-07 stsp return err;
217 7762fe12 2018-11-05 stsp static const struct got_error *
218 876c234b 2018-09-10 stsp tree_request(struct imsg *imsg, struct imsgbuf *ibuf, struct got_pack *pack,
219 c59b3346 2018-09-11 stsp struct got_packidx *packidx, struct got_object_cache *objcache)
221 e7885405 2018-09-10 stsp const struct got_error *err = NULL;
222 13c729f7 2018-12-24 stsp struct got_imsg_packed_object iobj;
223 3022d272 2019-11-14 stsp struct got_pathlist_head entries;
224 3022d272 2019-11-14 stsp int nentries = 0;
225 cb5e38fd 2019-05-23 stsp uint8_t *buf = NULL;
226 13c729f7 2018-12-24 stsp struct got_object_id id;
227 13c729f7 2018-12-24 stsp size_t datalen;
229 3022d272 2019-11-14 stsp TAILQ_INIT(&entries);
231 13c729f7 2018-12-24 stsp datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
232 13c729f7 2018-12-24 stsp if (datalen != sizeof(iobj))
233 13c729f7 2018-12-24 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
234 13c729f7 2018-12-24 stsp memcpy(&iobj, imsg->data, sizeof(iobj));
235 13c729f7 2018-12-24 stsp memcpy(id.sha1, iobj.id, SHA1_DIGEST_LENGTH);
237 ca6e02ac 2020-01-07 stsp err = open_tree(&buf, &entries, &nentries, pack, packidx, iobj.idx,
238 ca6e02ac 2020-01-07 stsp &id, objcache);
240 ca6e02ac 2020-01-07 stsp return err;
242 3022d272 2019-11-14 stsp err = got_privsep_send_tree(ibuf, &entries, nentries);
243 b87b4170 2020-01-06 stsp got_object_parsed_tree_entries_free(&entries);
246 e7885405 2018-09-10 stsp if (err->code == GOT_ERR_PRIVSEP_PIPE)
247 e7885405 2018-09-10 stsp err = NULL;
249 e7885405 2018-09-10 stsp got_privsep_send_error(ibuf, err);
252 e7885405 2018-09-10 stsp return err;
255 876c234b 2018-09-10 stsp static const struct got_error *
256 3840f4c9 2018-09-12 stsp receive_file(FILE **f, struct imsgbuf *ibuf, int imsg_code)
258 3840f4c9 2018-09-12 stsp const struct got_error *err;
259 3840f4c9 2018-09-12 stsp struct imsg imsg;
260 55da3778 2018-09-10 stsp size_t datalen;
262 3840f4c9 2018-09-12 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
264 55da3778 2018-09-10 stsp return err;
266 3840f4c9 2018-09-12 stsp if (imsg.hdr.type != imsg_code) {
267 55da3778 2018-09-10 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
271 3840f4c9 2018-09-12 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
272 55da3778 2018-09-10 stsp if (datalen != 0) {
273 55da3778 2018-09-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
276 3840f4c9 2018-09-12 stsp if (imsg.fd == -1) {
277 55da3778 2018-09-10 stsp err = got_error(GOT_ERR_PRIVSEP_NO_FD);
281 3840f4c9 2018-09-12 stsp *f = fdopen(imsg.fd, "w+");
282 3840f4c9 2018-09-12 stsp if (*f == NULL) {
283 638f9024 2019-05-13 stsp err = got_error_from_errno("fdopen");
284 3a6ce05a 2019-02-11 stsp close(imsg.fd);
288 3840f4c9 2018-09-12 stsp imsg_free(&imsg);
289 3840f4c9 2018-09-12 stsp return err;
292 3840f4c9 2018-09-12 stsp static const struct got_error *
293 3840f4c9 2018-09-12 stsp blob_request(struct imsg *imsg, struct imsgbuf *ibuf, struct got_pack *pack,
294 3840f4c9 2018-09-12 stsp struct got_packidx *packidx, struct got_object_cache *objcache)
296 3840f4c9 2018-09-12 stsp const struct got_error *err = NULL;
297 ebc55e2d 2018-12-24 stsp struct got_imsg_packed_object iobj;
298 3840f4c9 2018-09-12 stsp struct got_object *obj = NULL;
299 3840f4c9 2018-09-12 stsp FILE *outfile = NULL, *basefile = NULL, *accumfile = NULL;
300 ebc55e2d 2018-12-24 stsp struct got_object_id id;
301 ebc55e2d 2018-12-24 stsp size_t datalen;
302 ac544f8c 2019-01-13 stsp uint64_t blob_size;
303 ac544f8c 2019-01-13 stsp uint8_t *buf = NULL;
305 ebc55e2d 2018-12-24 stsp datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
306 ebc55e2d 2018-12-24 stsp if (datalen != sizeof(iobj))
307 ebc55e2d 2018-12-24 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
308 ebc55e2d 2018-12-24 stsp memcpy(&iobj, imsg->data, sizeof(iobj));
309 ebc55e2d 2018-12-24 stsp memcpy(id.sha1, iobj.id, SHA1_DIGEST_LENGTH);
311 704b89c4 2019-05-23 stsp obj = got_object_cache_get(objcache, &id);
313 704b89c4 2019-05-23 stsp obj->refcnt++;
315 704b89c4 2019-05-23 stsp err = open_object(&obj, pack, packidx, iobj.idx, &id,
318 704b89c4 2019-05-23 stsp return err;
321 3840f4c9 2018-09-12 stsp err = receive_file(&outfile, ibuf, GOT_IMSG_BLOB_OUTFD);
324 3840f4c9 2018-09-12 stsp err = receive_file(&basefile, ibuf, GOT_IMSG_TMPFD);
327 3840f4c9 2018-09-12 stsp err = receive_file(&accumfile, ibuf, GOT_IMSG_TMPFD);
331 ac544f8c 2019-01-13 stsp if (obj->flags & GOT_OBJ_FLAG_DELTIFIED) {
332 42c69117 2019-11-10 stsp err = got_pack_get_max_delta_object_size(&blob_size, obj, pack);
336 ac544f8c 2019-01-13 stsp blob_size = obj->size;
338 ac544f8c 2019-01-13 stsp if (blob_size <= GOT_PRIVSEP_INLINE_BLOB_DATA_MAX)
339 ac544f8c 2019-01-13 stsp err = got_packfile_extract_object_to_mem(&buf, &obj->size,
340 ac544f8c 2019-01-13 stsp obj, pack);
342 ac544f8c 2019-01-13 stsp err = got_packfile_extract_object(pack, obj, outfile, basefile,
343 ac544f8c 2019-01-13 stsp accumfile);
347 ac544f8c 2019-01-13 stsp err = got_privsep_send_blob(ibuf, obj->size, obj->hdrlen, buf);
350 fb43ecf1 2019-02-11 stsp if (outfile && fclose(outfile) != 0 && err == NULL)
351 638f9024 2019-05-13 stsp err = got_error_from_errno("fclose");
352 638f9024 2019-05-13 stsp if (basefile && fclose(basefile) != 0 && err == NULL)
353 638f9024 2019-05-13 stsp err = got_error_from_errno("fclose");
354 fb43ecf1 2019-02-11 stsp if (accumfile && fclose(accumfile) != 0 && err == NULL)
355 638f9024 2019-05-13 stsp err = got_error_from_errno("fclose");
356 cb5e38fd 2019-05-23 stsp got_object_close(obj);
357 3840f4c9 2018-09-12 stsp if (err && err->code != GOT_ERR_PRIVSEP_PIPE)
358 3840f4c9 2018-09-12 stsp got_privsep_send_error(ibuf, err);
360 55da3778 2018-09-10 stsp return err;
363 876c234b 2018-09-10 stsp static const struct got_error *
364 f4a881ce 2018-11-17 stsp tag_request(struct imsg *imsg, struct imsgbuf *ibuf, struct got_pack *pack,
365 f4a881ce 2018-11-17 stsp struct got_packidx *packidx, struct got_object_cache *objcache)
367 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
368 268f7291 2018-12-24 stsp struct got_imsg_packed_object iobj;
369 f4a881ce 2018-11-17 stsp struct got_object *obj = NULL;
370 f4a881ce 2018-11-17 stsp struct got_tag_object *tag = NULL;
371 cb5e38fd 2019-05-23 stsp uint8_t *buf = NULL;
372 f4a881ce 2018-11-17 stsp size_t len;
373 268f7291 2018-12-24 stsp struct got_object_id id;
374 268f7291 2018-12-24 stsp size_t datalen;
376 268f7291 2018-12-24 stsp datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
377 268f7291 2018-12-24 stsp if (datalen != sizeof(iobj))
378 268f7291 2018-12-24 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
379 268f7291 2018-12-24 stsp memcpy(&iobj, imsg->data, sizeof(iobj));
380 268f7291 2018-12-24 stsp memcpy(id.sha1, iobj.id, SHA1_DIGEST_LENGTH);
382 704b89c4 2019-05-23 stsp obj = got_object_cache_get(objcache, &id);
384 704b89c4 2019-05-23 stsp obj->refcnt++;
386 704b89c4 2019-05-23 stsp err = open_object(&obj, pack, packidx, iobj.idx, &id,
389 704b89c4 2019-05-23 stsp return err;
392 f4a881ce 2018-11-17 stsp err = got_packfile_extract_object_to_mem(&buf, &len, obj, pack);
396 f4a881ce 2018-11-17 stsp obj->size = len;
397 f4a881ce 2018-11-17 stsp err = got_object_parse_tag(&tag, buf, len);
401 f4a881ce 2018-11-17 stsp err = got_privsep_send_tag(ibuf, tag);
404 cb5e38fd 2019-05-23 stsp got_object_close(obj);
406 cb5e38fd 2019-05-23 stsp got_object_tag_close(tag);
408 ca6e02ac 2020-01-07 stsp if (err->code == GOT_ERR_PRIVSEP_PIPE)
409 ca6e02ac 2020-01-07 stsp err = NULL;
411 ca6e02ac 2020-01-07 stsp got_privsep_send_error(ibuf, err);
414 ca6e02ac 2020-01-07 stsp return err;
417 ca6e02ac 2020-01-07 stsp static struct got_parsed_tree_entry *
418 ca6e02ac 2020-01-07 stsp find_entry_by_name(struct got_pathlist_head *entries, int nentries,
419 ca6e02ac 2020-01-07 stsp const char *name, size_t len)
421 ca6e02ac 2020-01-07 stsp struct got_pathlist_entry *pe;
423 ca6e02ac 2020-01-07 stsp /* Note that tree entries are sorted in strncmp() order. */
424 ca6e02ac 2020-01-07 stsp TAILQ_FOREACH(pe, entries, entry) {
425 ca6e02ac 2020-01-07 stsp int cmp = strncmp(pe->path, name, len);
426 ca6e02ac 2020-01-07 stsp if (cmp < 0)
428 ca6e02ac 2020-01-07 stsp if (cmp > 0)
430 ca6e02ac 2020-01-07 stsp if (pe->path[len] == '\0')
431 ca6e02ac 2020-01-07 stsp return (struct got_parsed_tree_entry *)pe->data;
433 ca6e02ac 2020-01-07 stsp return NULL;
436 ca6e02ac 2020-01-07 stsp const struct got_error *
437 ca6e02ac 2020-01-07 stsp tree_path_changed(int *changed, uint8_t **buf1, uint8_t **buf2,
438 ca6e02ac 2020-01-07 stsp struct got_pathlist_head *entries1, int *nentries1,
439 ca6e02ac 2020-01-07 stsp struct got_pathlist_head *entries2, int *nentries2,
440 ca6e02ac 2020-01-07 stsp const char *path, struct got_pack *pack, struct got_packidx *packidx,
441 ca6e02ac 2020-01-07 stsp struct imsgbuf *ibuf, struct got_object_cache *objcache)
443 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
444 ca6e02ac 2020-01-07 stsp struct got_parsed_tree_entry *pte1 = NULL, *pte2 = NULL;
445 ca6e02ac 2020-01-07 stsp const char *seg, *s;
446 ca6e02ac 2020-01-07 stsp size_t seglen;
448 ca6e02ac 2020-01-07 stsp *changed = 0;
450 ca6e02ac 2020-01-07 stsp /* We not do support comparing the root path. */
451 61a7d79f 2020-02-29 stsp if (got_path_is_root_dir(path))
452 63f810e6 2020-02-29 stsp return got_error_path(path, GOT_ERR_BAD_PATH);
455 61a7d79f 2020-02-29 stsp while (*s == '/')
458 ca6e02ac 2020-01-07 stsp seglen = 0;
459 ca6e02ac 2020-01-07 stsp while (*s) {
460 ca6e02ac 2020-01-07 stsp if (*s != '/') {
467 ca6e02ac 2020-01-07 stsp pte1 = find_entry_by_name(entries1, *nentries1, seg, seglen);
468 ca6e02ac 2020-01-07 stsp if (pte1 == NULL) {
469 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_NO_OBJ);
473 ca6e02ac 2020-01-07 stsp pte2 = find_entry_by_name(entries2, *nentries2, seg, seglen);
474 ca6e02ac 2020-01-07 stsp if (pte2 == NULL) {
475 ca6e02ac 2020-01-07 stsp *changed = 1;
479 ca6e02ac 2020-01-07 stsp if (pte1->mode != pte2->mode) {
480 ca6e02ac 2020-01-07 stsp *changed = 1;
484 ca6e02ac 2020-01-07 stsp if (memcmp(pte1->id, pte2->id, SHA1_DIGEST_LENGTH) == 0) {
485 ca6e02ac 2020-01-07 stsp *changed = 0;
489 ca6e02ac 2020-01-07 stsp if (*s == '\0') { /* final path element */
490 ca6e02ac 2020-01-07 stsp *changed = 1;
494 ca6e02ac 2020-01-07 stsp seg = s + 1;
496 ca6e02ac 2020-01-07 stsp seglen = 0;
498 ca6e02ac 2020-01-07 stsp struct got_object_id id1, id2;
501 ded8fbb8 2020-04-19 stsp memcpy(id1.sha1, pte1->id, SHA1_DIGEST_LENGTH);
502 00927983 2020-04-19 stsp idx = got_packidx_get_object_idx(packidx, &id1);
503 ca6e02ac 2020-01-07 stsp if (idx == -1) {
504 ded8fbb8 2020-04-19 stsp err = got_error_no_obj(&id1);
507 ca6e02ac 2020-01-07 stsp got_object_parsed_tree_entries_free(entries1);
508 ca6e02ac 2020-01-07 stsp *nentries1 = 0;
509 ca6e02ac 2020-01-07 stsp free(*buf1);
510 ca6e02ac 2020-01-07 stsp *buf1 = NULL;
511 ca6e02ac 2020-01-07 stsp err = open_tree(buf1, entries1, nentries1, pack,
512 ca6e02ac 2020-01-07 stsp packidx, idx, &id1, objcache);
513 ca6e02ac 2020-01-07 stsp pte1 = NULL;
517 ded8fbb8 2020-04-19 stsp memcpy(id2.sha1, pte2->id, SHA1_DIGEST_LENGTH);
518 00927983 2020-04-19 stsp idx = got_packidx_get_object_idx(packidx, &id2);
519 ca6e02ac 2020-01-07 stsp if (idx == -1) {
520 ded8fbb8 2020-04-19 stsp err = got_error_no_obj(&id2);
523 ca6e02ac 2020-01-07 stsp got_object_parsed_tree_entries_free(entries2);
524 ca6e02ac 2020-01-07 stsp *nentries2 = 0;
525 ca6e02ac 2020-01-07 stsp free(*buf2);
526 ca6e02ac 2020-01-07 stsp *buf2 = NULL;
527 ca6e02ac 2020-01-07 stsp err = open_tree(buf2, entries2, nentries2, pack,
528 ca6e02ac 2020-01-07 stsp packidx, idx, &id2, objcache);
529 ca6e02ac 2020-01-07 stsp pte2 = NULL;
535 ca6e02ac 2020-01-07 stsp return err;
538 ca6e02ac 2020-01-07 stsp static const struct got_error *
539 e70bf110 2020-03-22 stsp send_traversed_commits(struct got_object_id *commit_ids, size_t ncommits,
540 e70bf110 2020-03-22 stsp struct imsgbuf *ibuf)
542 e70bf110 2020-03-22 stsp const struct got_error *err;
543 e70bf110 2020-03-22 stsp struct ibuf *wbuf;
546 e70bf110 2020-03-22 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TRAVERSED_COMMITS, 0, 0,
547 e70bf110 2020-03-22 stsp sizeof(struct got_imsg_traversed_commits) +
548 e70bf110 2020-03-22 stsp ncommits * SHA1_DIGEST_LENGTH);
549 e70bf110 2020-03-22 stsp if (wbuf == NULL)
550 e70bf110 2020-03-22 stsp return got_error_from_errno("imsg_create TRAVERSED_COMMITS");
552 e70bf110 2020-03-22 stsp if (imsg_add(wbuf, &ncommits, sizeof(ncommits)) == -1) {
553 e70bf110 2020-03-22 stsp err = got_error_from_errno("imsg_add TRAVERSED_COMMITS");
554 e70bf110 2020-03-22 stsp ibuf_free(wbuf);
555 e70bf110 2020-03-22 stsp return err;
557 e70bf110 2020-03-22 stsp for (i = 0; i < ncommits; i++) {
558 e70bf110 2020-03-22 stsp struct got_object_id *id = &commit_ids[i];
559 e70bf110 2020-03-22 stsp if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1) {
560 e70bf110 2020-03-22 stsp err = got_error_from_errno(
561 e70bf110 2020-03-22 stsp "imsg_add TRAVERSED_COMMITS");
562 e70bf110 2020-03-22 stsp ibuf_free(wbuf);
563 e70bf110 2020-03-22 stsp return err;
567 e70bf110 2020-03-22 stsp wbuf->fd = -1;
568 e70bf110 2020-03-22 stsp imsg_close(ibuf, wbuf);
570 e70bf110 2020-03-22 stsp return got_privsep_flush_imsg(ibuf);
573 e70bf110 2020-03-22 stsp static const struct got_error *
574 e70bf110 2020-03-22 stsp send_commit_traversal_done(struct imsgbuf *ibuf)
576 e70bf110 2020-03-22 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_TRAVERSAL_DONE, 0, 0, -1,
577 e70bf110 2020-03-22 stsp NULL, 0) == -1)
578 e70bf110 2020-03-22 stsp return got_error_from_errno("imsg_compose TRAVERSAL_DONE");
580 e70bf110 2020-03-22 stsp return got_privsep_flush_imsg(ibuf);
584 e70bf110 2020-03-22 stsp static const struct got_error *
585 ca6e02ac 2020-01-07 stsp commit_traversal_request(struct imsg *imsg, struct imsgbuf *ibuf,
586 ca6e02ac 2020-01-07 stsp struct got_pack *pack, struct got_packidx *packidx,
587 ca6e02ac 2020-01-07 stsp struct got_object_cache *objcache)
589 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
590 ca6e02ac 2020-01-07 stsp struct got_imsg_packed_object iobj;
591 ca6e02ac 2020-01-07 stsp struct got_object_qid *pid;
592 ca6e02ac 2020-01-07 stsp struct got_commit_object *commit = NULL, *pcommit = NULL;
593 ca6e02ac 2020-01-07 stsp struct got_pathlist_head entries, pentries;
594 ca6e02ac 2020-01-07 stsp int nentries = 0, pnentries = 0;
595 ca6e02ac 2020-01-07 stsp struct got_object_id id;
596 ca6e02ac 2020-01-07 stsp size_t datalen, path_len;
597 ca6e02ac 2020-01-07 stsp char *path = NULL;
598 ca6e02ac 2020-01-07 stsp const int min_alloc = 64;
599 ca6e02ac 2020-01-07 stsp int changed = 0, ncommits = 0, nallocated = 0;
600 ca6e02ac 2020-01-07 stsp struct got_object_id *commit_ids = NULL;
602 ca6e02ac 2020-01-07 stsp TAILQ_INIT(&entries);
603 ca6e02ac 2020-01-07 stsp TAILQ_INIT(&pentries);
605 ca6e02ac 2020-01-07 stsp datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
606 ca6e02ac 2020-01-07 stsp if (datalen < sizeof(iobj))
607 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
608 ca6e02ac 2020-01-07 stsp memcpy(&iobj, imsg->data, sizeof(iobj));
609 ca6e02ac 2020-01-07 stsp memcpy(id.sha1, iobj.id, SHA1_DIGEST_LENGTH);
611 ca6e02ac 2020-01-07 stsp path_len = datalen - sizeof(iobj) - 1;
612 ca6e02ac 2020-01-07 stsp if (path_len < 0)
613 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
614 ca6e02ac 2020-01-07 stsp if (path_len > 0) {
615 ca6e02ac 2020-01-07 stsp path = imsg->data + sizeof(iobj);
616 ca6e02ac 2020-01-07 stsp if (path[path_len] != '\0')
617 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
620 ca6e02ac 2020-01-07 stsp nallocated = min_alloc;
621 ca6e02ac 2020-01-07 stsp commit_ids = reallocarray(NULL, nallocated, sizeof(*commit_ids));
622 ca6e02ac 2020-01-07 stsp if (commit_ids == NULL)
623 ca6e02ac 2020-01-07 stsp return got_error_from_errno("reallocarray");
626 ca6e02ac 2020-01-07 stsp const size_t max_datalen = MAX_IMSGSIZE - IMSG_HEADER_SIZE;
629 ca6e02ac 2020-01-07 stsp if (sigint_received) {
630 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_CANCELLED);
634 ca6e02ac 2020-01-07 stsp if (commit == NULL) {
635 ca6e02ac 2020-01-07 stsp idx = got_packidx_get_object_idx(packidx, &id);
636 ca6e02ac 2020-01-07 stsp if (idx == -1)
638 ca6e02ac 2020-01-07 stsp err = open_commit(&commit, pack, packidx,
639 ca6e02ac 2020-01-07 stsp idx, &id, objcache);
641 ca6e02ac 2020-01-07 stsp if (err->code != GOT_ERR_NO_OBJ)
643 ca6e02ac 2020-01-07 stsp err = NULL;
648 ca6e02ac 2020-01-07 stsp if (sizeof(struct got_imsg_traversed_commits) +
649 ca6e02ac 2020-01-07 stsp ncommits * SHA1_DIGEST_LENGTH >= max_datalen) {
650 e70bf110 2020-03-22 stsp err = send_traversed_commits(commit_ids, ncommits,
654 ca6e02ac 2020-01-07 stsp ncommits = 0;
656 ca6e02ac 2020-01-07 stsp ncommits++;
657 ca6e02ac 2020-01-07 stsp if (ncommits > nallocated) {
658 ca6e02ac 2020-01-07 stsp struct got_object_id *new;
659 ca6e02ac 2020-01-07 stsp nallocated += min_alloc;
660 ca6e02ac 2020-01-07 stsp new = reallocarray(commit_ids, nallocated,
661 ca6e02ac 2020-01-07 stsp sizeof(*commit_ids));
662 ca6e02ac 2020-01-07 stsp if (new == NULL) {
663 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("reallocarray");
666 ca6e02ac 2020-01-07 stsp commit_ids = new;
668 ca6e02ac 2020-01-07 stsp memcpy(commit_ids[ncommits - 1].sha1, id.sha1,
669 ca6e02ac 2020-01-07 stsp SHA1_DIGEST_LENGTH);
671 ca6e02ac 2020-01-07 stsp pid = SIMPLEQ_FIRST(&commit->parent_ids);
672 ca6e02ac 2020-01-07 stsp if (pid == NULL)
675 ca6e02ac 2020-01-07 stsp idx = got_packidx_get_object_idx(packidx, pid->id);
676 ca6e02ac 2020-01-07 stsp if (idx == -1)
679 ca6e02ac 2020-01-07 stsp err = open_commit(&pcommit, pack, packidx, idx, pid->id,
682 ca6e02ac 2020-01-07 stsp if (err->code != GOT_ERR_NO_OBJ)
684 ca6e02ac 2020-01-07 stsp err = NULL;
688 ca6e02ac 2020-01-07 stsp if (path[0] == '/' && path[1] == '\0') {
689 ca6e02ac 2020-01-07 stsp if (got_object_id_cmp(pcommit->tree_id,
690 ca6e02ac 2020-01-07 stsp commit->tree_id) != 0) {
691 ca6e02ac 2020-01-07 stsp changed = 1;
696 ca6e02ac 2020-01-07 stsp uint8_t *buf = NULL, *pbuf = NULL;
698 ca6e02ac 2020-01-07 stsp idx = got_packidx_get_object_idx(packidx,
699 ca6e02ac 2020-01-07 stsp commit->tree_id);
700 ca6e02ac 2020-01-07 stsp if (idx == -1)
702 ca6e02ac 2020-01-07 stsp pidx = got_packidx_get_object_idx(packidx,
703 ca6e02ac 2020-01-07 stsp pcommit->tree_id);
704 ca6e02ac 2020-01-07 stsp if (pidx == -1)
707 ca6e02ac 2020-01-07 stsp err = open_tree(&buf, &entries, &nentries, pack,
708 ca6e02ac 2020-01-07 stsp packidx, idx, commit->tree_id, objcache);
711 ca6e02ac 2020-01-07 stsp err = open_tree(&pbuf, &pentries, &pnentries, pack,
712 ca6e02ac 2020-01-07 stsp packidx, pidx, pcommit->tree_id, objcache);
718 ca6e02ac 2020-01-07 stsp err = tree_path_changed(&changed, &buf, &pbuf,
719 ca6e02ac 2020-01-07 stsp &entries, &nentries, &pentries, &pnentries, path,
720 ca6e02ac 2020-01-07 stsp pack, packidx, ibuf, objcache);
722 ca6e02ac 2020-01-07 stsp got_object_parsed_tree_entries_free(&entries);
723 ca6e02ac 2020-01-07 stsp nentries = 0;
725 ca6e02ac 2020-01-07 stsp got_object_parsed_tree_entries_free(&pentries);
726 ca6e02ac 2020-01-07 stsp pnentries = 0;
727 ca6e02ac 2020-01-07 stsp free(pbuf);
729 ca6e02ac 2020-01-07 stsp if (err->code != GOT_ERR_NO_OBJ)
731 ca6e02ac 2020-01-07 stsp err = NULL;
736 ca6e02ac 2020-01-07 stsp if (!changed) {
737 ca6e02ac 2020-01-07 stsp memcpy(id.sha1, pid->id->sha1, SHA1_DIGEST_LENGTH);
738 ca6e02ac 2020-01-07 stsp got_object_commit_close(commit);
739 ca6e02ac 2020-01-07 stsp commit = pcommit;
740 ca6e02ac 2020-01-07 stsp pcommit = NULL;
742 ca6e02ac 2020-01-07 stsp } while (!changed);
744 ca6e02ac 2020-01-07 stsp if (ncommits > 0) {
745 e70bf110 2020-03-22 stsp err = send_traversed_commits(commit_ids, ncommits, ibuf);
749 ca6e02ac 2020-01-07 stsp if (changed) {
750 ca6e02ac 2020-01-07 stsp err = got_privsep_send_commit(ibuf, commit);
755 e70bf110 2020-03-22 stsp err = send_commit_traversal_done(ibuf);
757 ca6e02ac 2020-01-07 stsp free(commit_ids);
758 ca6e02ac 2020-01-07 stsp if (commit)
759 ca6e02ac 2020-01-07 stsp got_object_commit_close(commit);
760 ca6e02ac 2020-01-07 stsp if (pcommit)
761 ca6e02ac 2020-01-07 stsp got_object_commit_close(pcommit);
762 ca6e02ac 2020-01-07 stsp if (nentries != 0)
763 ca6e02ac 2020-01-07 stsp got_object_parsed_tree_entries_free(&entries);
764 ca6e02ac 2020-01-07 stsp if (pnentries != 0)
765 ca6e02ac 2020-01-07 stsp got_object_parsed_tree_entries_free(&pentries);
767 f4a881ce 2018-11-17 stsp if (err->code == GOT_ERR_PRIVSEP_PIPE)
768 f4a881ce 2018-11-17 stsp err = NULL;
770 f4a881ce 2018-11-17 stsp got_privsep_send_error(ibuf, err);
773 f4a881ce 2018-11-17 stsp return err;
776 f4a881ce 2018-11-17 stsp static const struct got_error *
777 876c234b 2018-09-10 stsp receive_packidx(struct got_packidx **packidx, struct imsgbuf *ibuf)
779 876c234b 2018-09-10 stsp const struct got_error *err = NULL;
780 876c234b 2018-09-10 stsp struct imsg imsg;
781 876c234b 2018-09-10 stsp struct got_imsg_packidx ipackidx;
782 876c234b 2018-09-10 stsp size_t datalen;
783 876c234b 2018-09-10 stsp struct got_packidx *p;
785 876c234b 2018-09-10 stsp *packidx = NULL;
787 876c234b 2018-09-10 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
789 876c234b 2018-09-10 stsp return err;
791 876c234b 2018-09-10 stsp p = calloc(1, sizeof(*p));
792 876c234b 2018-09-10 stsp if (p == NULL) {
793 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
797 876c234b 2018-09-10 stsp if (imsg.hdr.type != GOT_IMSG_PACKIDX) {
798 876c234b 2018-09-10 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
802 876c234b 2018-09-10 stsp if (imsg.fd == -1) {
803 876c234b 2018-09-10 stsp err = got_error(GOT_ERR_PRIVSEP_NO_FD);
807 876c234b 2018-09-10 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
808 876c234b 2018-09-10 stsp if (datalen != sizeof(ipackidx)) {
809 876c234b 2018-09-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
812 876c234b 2018-09-10 stsp memcpy(&ipackidx, imsg.data, sizeof(ipackidx));
814 876c234b 2018-09-10 stsp p->len = ipackidx.len;
815 876c234b 2018-09-10 stsp p->fd = dup(imsg.fd);
816 876c234b 2018-09-10 stsp if (p->fd == -1) {
817 638f9024 2019-05-13 stsp err = got_error_from_errno("dup");
820 56bef47a 2018-09-15 stsp if (lseek(p->fd, 0, SEEK_SET) == -1) {
821 638f9024 2019-05-13 stsp err = got_error_from_errno("lseek");
825 876c234b 2018-09-10 stsp #ifndef GOT_PACK_NO_MMAP
826 876c234b 2018-09-10 stsp p->map = mmap(NULL, p->len, PROT_READ, MAP_PRIVATE, p->fd, 0);
827 876c234b 2018-09-10 stsp if (p->map == MAP_FAILED)
828 876c234b 2018-09-10 stsp p->map = NULL; /* fall back to read(2) */
830 876c234b 2018-09-10 stsp err = got_packidx_init_hdr(p, 1);
833 876c234b 2018-09-10 stsp if (imsg.fd != -1)
834 876c234b 2018-09-10 stsp close(imsg.fd);
835 876c234b 2018-09-10 stsp got_packidx_close(p);
837 876c234b 2018-09-10 stsp *packidx = p;
838 876c234b 2018-09-10 stsp imsg_free(&imsg);
839 876c234b 2018-09-10 stsp return err;
842 876c234b 2018-09-10 stsp static const struct got_error *
843 876c234b 2018-09-10 stsp receive_pack(struct got_pack **packp, struct imsgbuf *ibuf)
845 876c234b 2018-09-10 stsp const struct got_error *err = NULL;
846 876c234b 2018-09-10 stsp struct imsg imsg;
847 876c234b 2018-09-10 stsp struct got_imsg_pack ipack;
848 876c234b 2018-09-10 stsp size_t datalen;
849 876c234b 2018-09-10 stsp struct got_pack *pack;
851 876c234b 2018-09-10 stsp *packp = NULL;
853 876c234b 2018-09-10 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
855 876c234b 2018-09-10 stsp return err;
857 876c234b 2018-09-10 stsp pack = calloc(1, sizeof(*pack));
858 876c234b 2018-09-10 stsp if (pack == NULL) {
859 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
863 876c234b 2018-09-10 stsp if (imsg.hdr.type != GOT_IMSG_PACK) {
864 876c234b 2018-09-10 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
868 876c234b 2018-09-10 stsp if (imsg.fd == -1) {
869 876c234b 2018-09-10 stsp err = got_error(GOT_ERR_PRIVSEP_NO_FD);
873 876c234b 2018-09-10 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
874 876c234b 2018-09-10 stsp if (datalen != sizeof(ipack)) {
875 876c234b 2018-09-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
878 876c234b 2018-09-10 stsp memcpy(&ipack, imsg.data, sizeof(ipack));
880 876c234b 2018-09-10 stsp pack->filesize = ipack.filesize;
881 876c234b 2018-09-10 stsp pack->fd = dup(imsg.fd);
882 876c234b 2018-09-10 stsp if (pack->fd == -1) {
883 638f9024 2019-05-13 stsp err = got_error_from_errno("dup");
886 56bef47a 2018-09-15 stsp if (lseek(pack->fd, 0, SEEK_SET) == -1) {
887 638f9024 2019-05-13 stsp err = got_error_from_errno("lseek");
890 876c234b 2018-09-10 stsp pack->path_packfile = strdup(ipack.path_packfile);
891 876c234b 2018-09-10 stsp if (pack->path_packfile == NULL) {
892 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
896 ab2f42e7 2019-11-10 stsp pack->delta_cache = got_delta_cache_alloc(100,
897 ab2f42e7 2019-11-10 stsp GOT_DELTA_RESULT_SIZE_CACHED_MAX);
898 ab2f42e7 2019-11-10 stsp if (pack->delta_cache == NULL) {
899 ab2f42e7 2019-11-10 stsp err = got_error_from_errno("got_delta_cache_alloc");
903 876c234b 2018-09-10 stsp #ifndef GOT_PACK_NO_MMAP
904 876c234b 2018-09-10 stsp pack->map = mmap(NULL, pack->filesize, PROT_READ, MAP_PRIVATE,
905 876c234b 2018-09-10 stsp pack->fd, 0);
906 876c234b 2018-09-10 stsp if (pack->map == MAP_FAILED)
907 876c234b 2018-09-10 stsp pack->map = NULL; /* fall back to read(2) */
911 876c234b 2018-09-10 stsp if (imsg.fd != -1)
912 876c234b 2018-09-10 stsp close(imsg.fd);
913 876c234b 2018-09-10 stsp free(pack);
915 876c234b 2018-09-10 stsp *packp = pack;
916 876c234b 2018-09-10 stsp imsg_free(&imsg);
917 876c234b 2018-09-10 stsp return err;
921 876c234b 2018-09-10 stsp main(int argc, char *argv[])
923 876c234b 2018-09-10 stsp const struct got_error *err = NULL;
924 876c234b 2018-09-10 stsp struct imsgbuf ibuf;
925 876c234b 2018-09-10 stsp struct imsg imsg;
926 c59b3346 2018-09-11 stsp struct got_packidx *packidx = NULL;
927 c59b3346 2018-09-11 stsp struct got_pack *pack = NULL;
928 c59b3346 2018-09-11 stsp struct got_object_cache objcache;
930 876c234b 2018-09-10 stsp //static int attached;
931 876c234b 2018-09-10 stsp //while (!attached) sleep(1);
933 99437157 2018-11-11 stsp signal(SIGINT, catch_sigint);
935 876c234b 2018-09-10 stsp imsg_init(&ibuf, GOT_IMSG_FD_CHILD);
937 c59b3346 2018-09-11 stsp err = got_object_cache_init(&objcache, GOT_OBJECT_CACHE_TYPE_OBJ);
939 638f9024 2019-05-13 stsp err = got_error_from_errno("got_object_cache_init");
940 c59b3346 2018-09-11 stsp got_privsep_send_error(&ibuf, err);
944 2ff12563 2018-09-15 stsp #ifndef PROFILE
945 876c234b 2018-09-10 stsp /* revoke access to most system calls */
946 876c234b 2018-09-10 stsp if (pledge("stdio recvfd", NULL) == -1) {
947 638f9024 2019-05-13 stsp err = got_error_from_errno("pledge");
948 876c234b 2018-09-10 stsp got_privsep_send_error(&ibuf, err);
953 876c234b 2018-09-10 stsp err = receive_packidx(&packidx, &ibuf);
955 876c234b 2018-09-10 stsp got_privsep_send_error(&ibuf, err);
959 876c234b 2018-09-10 stsp err = receive_pack(&pack, &ibuf);
961 876c234b 2018-09-10 stsp got_privsep_send_error(&ibuf, err);
966 876c234b 2018-09-10 stsp imsg.fd = -1;
968 99437157 2018-11-11 stsp if (sigint_received) {
969 99437157 2018-11-11 stsp err = got_error(GOT_ERR_CANCELLED);
973 876c234b 2018-09-10 stsp err = got_privsep_recv_imsg(&imsg, &ibuf, 0);
975 876c234b 2018-09-10 stsp if (err->code == GOT_ERR_PRIVSEP_PIPE)
976 876c234b 2018-09-10 stsp err = NULL;
980 876c234b 2018-09-10 stsp if (imsg.hdr.type == GOT_IMSG_STOP)
983 876c234b 2018-09-10 stsp switch (imsg.hdr.type) {
984 876c234b 2018-09-10 stsp case GOT_IMSG_PACKED_OBJECT_REQUEST:
985 c59b3346 2018-09-11 stsp err = object_request(&imsg, &ibuf, pack, packidx,
986 c59b3346 2018-09-11 stsp &objcache);
988 876c234b 2018-09-10 stsp case GOT_IMSG_COMMIT_REQUEST:
989 c59b3346 2018-09-11 stsp err = commit_request(&imsg, &ibuf, pack, packidx,
990 7762fe12 2018-11-05 stsp &objcache);
992 876c234b 2018-09-10 stsp case GOT_IMSG_TREE_REQUEST:
993 c59b3346 2018-09-11 stsp err = tree_request(&imsg, &ibuf, pack, packidx,
994 c59b3346 2018-09-11 stsp &objcache);
996 876c234b 2018-09-10 stsp case GOT_IMSG_BLOB_REQUEST:
997 c59b3346 2018-09-11 stsp err = blob_request(&imsg, &ibuf, pack, packidx,
998 c59b3346 2018-09-11 stsp &objcache);
1000 f4a881ce 2018-11-17 stsp case GOT_IMSG_TAG_REQUEST:
1001 f4a881ce 2018-11-17 stsp err = tag_request(&imsg, &ibuf, pack, packidx,
1002 f4a881ce 2018-11-17 stsp &objcache);
1004 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT_TRAVERSAL_REQUEST:
1005 ca6e02ac 2020-01-07 stsp err = commit_traversal_request(&imsg, &ibuf, pack,
1006 ca6e02ac 2020-01-07 stsp packidx, &objcache);
1009 876c234b 2018-09-10 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1013 3a6ce05a 2019-02-11 stsp if (imsg.fd != -1 && close(imsg.fd) != 0 && err == NULL)
1014 638f9024 2019-05-13 stsp err = got_error_from_errno("close");
1015 876c234b 2018-09-10 stsp imsg_free(&imsg);
1020 c59b3346 2018-09-11 stsp if (packidx)
1021 c59b3346 2018-09-11 stsp got_packidx_close(packidx);
1023 c59b3346 2018-09-11 stsp got_pack_close(pack);
1024 48d5fe42 2018-09-15 stsp got_object_cache_close(&objcache);
1025 876c234b 2018-09-10 stsp imsg_clear(&ibuf);
1026 99437157 2018-11-11 stsp if (err) {
1027 80d5f134 2018-11-11 stsp if (!sigint_received && err->code != GOT_ERR_PRIVSEP_PIPE) {
1028 80d5f134 2018-11-11 stsp fprintf(stderr, "%s: %s\n", getprogname(), err->msg);
1029 99437157 2018-11-11 stsp got_privsep_send_error(&ibuf, err);
1032 3a6ce05a 2019-02-11 stsp if (close(GOT_IMSG_FD_CHILD) != 0 && err == NULL)
1033 638f9024 2019-05-13 stsp err = got_error_from_errno("close");
1034 876c234b 2018-09-10 stsp return err ? 1 : 0;
