2 13b2bc37 2022-10-23 stsp * Copyright (c) 2022 Stefan Sperling <stsp@openbsd.org>
4 13b2bc37 2022-10-23 stsp * Permission to use, copy, modify, and distribute this software for any
5 13b2bc37 2022-10-23 stsp * purpose with or without fee is hereby granted, provided that the above
6 13b2bc37 2022-10-23 stsp * copyright notice and this permission notice appear in all copies.
8 13b2bc37 2022-10-23 stsp * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 13b2bc37 2022-10-23 stsp * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 13b2bc37 2022-10-23 stsp * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 13b2bc37 2022-10-23 stsp * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 13b2bc37 2022-10-23 stsp * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 13b2bc37 2022-10-23 stsp * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 13b2bc37 2022-10-23 stsp * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 13b2bc37 2022-10-23 stsp #include <sys/queue.h>
18 13b2bc37 2022-10-23 stsp #include <sys/types.h>
20 13b2bc37 2022-10-23 stsp #include <event.h>
21 13b2bc37 2022-10-23 stsp #include <errno.h>
22 13b2bc37 2022-10-23 stsp #include <imsg.h>
23 13b2bc37 2022-10-23 stsp #include <signal.h>
24 13b2bc37 2022-10-23 stsp #include <stdlib.h>
25 13b2bc37 2022-10-23 stsp #include <limits.h>
26 13b2bc37 2022-10-23 stsp #include <poll.h>
27 13b2bc37 2022-10-23 stsp #include <sha1.h>
28 5822e79e 2023-02-23 op #include <sha2.h>
29 13b2bc37 2022-10-23 stsp #include <siphash.h>
30 13b2bc37 2022-10-23 stsp #include <stdio.h>
31 13b2bc37 2022-10-23 stsp #include <string.h>
32 13b2bc37 2022-10-23 stsp #include <unistd.h>
34 13b2bc37 2022-10-23 stsp #include "got_error.h"
35 13b2bc37 2022-10-23 stsp #include "got_cancel.h"
36 13b2bc37 2022-10-23 stsp #include "got_object.h"
37 13b2bc37 2022-10-23 stsp #include "got_repository.h"
38 13b2bc37 2022-10-23 stsp #include "got_reference.h"
39 13b2bc37 2022-10-23 stsp #include "got_repository_admin.h"
40 9afa3de2 2023-04-04 stsp #include "got_path.h"
42 13b2bc37 2022-10-23 stsp #include "got_lib_delta.h"
43 13b2bc37 2022-10-23 stsp #include "got_lib_object.h"
44 13b2bc37 2022-10-23 stsp #include "got_lib_object_idset.h"
45 53bf0b54 2023-02-23 op #include "got_lib_hash.h"
46 13b2bc37 2022-10-23 stsp #include "got_lib_pack.h"
47 13b2bc37 2022-10-23 stsp #include "got_lib_ratelimit.h"
48 13b2bc37 2022-10-23 stsp #include "got_lib_pack_create.h"
49 13b2bc37 2022-10-23 stsp #include "got_lib_poll.h"
51 13b2bc37 2022-10-23 stsp #include "log.h"
52 13b2bc37 2022-10-23 stsp #include "gotd.h"
53 13b2bc37 2022-10-23 stsp #include "repo_read.h"
55 13b2bc37 2022-10-23 stsp #ifndef nitems
56 13b2bc37 2022-10-23 stsp #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
59 13b2bc37 2022-10-23 stsp static struct repo_read {
61 13b2bc37 2022-10-23 stsp const char *title;
62 13b2bc37 2022-10-23 stsp struct got_repository *repo;
63 13b2bc37 2022-10-23 stsp int *pack_fds;
64 13b2bc37 2022-10-23 stsp int *temp_fds;
65 ae7c1b78 2023-01-10 stsp int session_fd;
66 ae7c1b78 2023-01-10 stsp struct gotd_imsgev session_iev;
67 13b2bc37 2022-10-23 stsp } repo_read;
69 1a52c9bf 2022-12-30 stsp static struct repo_read_client {
70 13b2bc37 2022-10-23 stsp uint32_t id;
72 13b2bc37 2022-10-23 stsp int delta_cache_fd;
73 13b2bc37 2022-10-23 stsp int report_progress;
74 86769de8 2022-10-28 stsp int pack_pipe;
75 4fb2bb7d 2023-02-27 stsp struct got_object_idset *want_ids;
76 4fb2bb7d 2023-02-27 stsp struct got_object_idset *have_ids;
77 1a52c9bf 2022-12-30 stsp } repo_read_client;
79 13b2bc37 2022-10-23 stsp static volatile sig_atomic_t sigint_received;
80 13b2bc37 2022-10-23 stsp static volatile sig_atomic_t sigterm_received;
83 13b2bc37 2022-10-23 stsp catch_sigint(int signo)
85 13b2bc37 2022-10-23 stsp sigint_received = 1;
89 13b2bc37 2022-10-23 stsp catch_sigterm(int signo)
91 13b2bc37 2022-10-23 stsp sigterm_received = 1;
94 13b2bc37 2022-10-23 stsp static const struct got_error *
95 13b2bc37 2022-10-23 stsp check_cancelled(void *arg)
97 13b2bc37 2022-10-23 stsp if (sigint_received || sigterm_received)
98 13b2bc37 2022-10-23 stsp return got_error(GOT_ERR_CANCELLED);
100 13b2bc37 2022-10-23 stsp return NULL;
103 13b2bc37 2022-10-23 stsp static const struct got_error *
104 ca7cfae0 2022-11-07 stsp send_symref(struct got_reference *symref, struct got_object_id *target_id,
105 ca7cfae0 2022-11-07 stsp struct imsgbuf *ibuf)
107 13b2bc37 2022-10-23 stsp const struct got_error *err = NULL;
108 13b2bc37 2022-10-23 stsp struct gotd_imsg_symref isymref;
109 13b2bc37 2022-10-23 stsp const char *refname = got_ref_get_name(symref);
110 13b2bc37 2022-10-23 stsp const char *target = got_ref_get_symref_target(symref);
111 13b2bc37 2022-10-23 stsp size_t len;
112 13b2bc37 2022-10-23 stsp struct ibuf *wbuf;
114 13b2bc37 2022-10-23 stsp memset(&isymref, 0, sizeof(isymref));
115 13b2bc37 2022-10-23 stsp isymref.name_len = strlen(refname);
116 13b2bc37 2022-10-23 stsp isymref.target_len = strlen(target);
117 13b2bc37 2022-10-23 stsp memcpy(isymref.target_id, target_id->sha1, sizeof(isymref.target_id));
119 13b2bc37 2022-10-23 stsp len = sizeof(isymref) + isymref.name_len + isymref.target_len;
120 13b2bc37 2022-10-23 stsp if (len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
121 13b2bc37 2022-10-23 stsp err = got_error(GOT_ERR_NO_SPACE);
125 13b2bc37 2022-10-23 stsp wbuf = imsg_create(ibuf, GOTD_IMSG_SYMREF, 0, 0, len);
126 13b2bc37 2022-10-23 stsp if (wbuf == NULL) {
127 13b2bc37 2022-10-23 stsp err = got_error_from_errno("imsg_create SYMREF");
131 13b2bc37 2022-10-23 stsp if (imsg_add(wbuf, &isymref, sizeof(isymref)) == -1) {
132 13b2bc37 2022-10-23 stsp err = got_error_from_errno("imsg_add SYMREF");
135 13b2bc37 2022-10-23 stsp if (imsg_add(wbuf, refname, isymref.name_len) == -1) {
136 13b2bc37 2022-10-23 stsp err = got_error_from_errno("imsg_add SYMREF");
139 13b2bc37 2022-10-23 stsp if (imsg_add(wbuf, target, isymref.target_len) == -1) {
140 13b2bc37 2022-10-23 stsp err = got_error_from_errno("imsg_add SYMREF");
144 13b2bc37 2022-10-23 stsp imsg_close(ibuf, wbuf);
146 13b2bc37 2022-10-23 stsp free(target_id);
147 13b2bc37 2022-10-23 stsp return err;
150 13b2bc37 2022-10-23 stsp static const struct got_error *
151 13b2bc37 2022-10-23 stsp send_peeled_tag_ref(struct got_reference *ref, struct got_object *obj,
152 13b2bc37 2022-10-23 stsp struct imsgbuf *ibuf)
154 13b2bc37 2022-10-23 stsp const struct got_error *err = NULL;
155 13b2bc37 2022-10-23 stsp struct got_tag_object *tag;
156 13b2bc37 2022-10-23 stsp size_t namelen, len;
157 13b2bc37 2022-10-23 stsp char *peeled_refname = NULL;
158 13b2bc37 2022-10-23 stsp struct got_object_id *id;
159 13b2bc37 2022-10-23 stsp struct ibuf *wbuf;
161 13b2bc37 2022-10-23 stsp err = got_object_tag_open(&tag, repo_read.repo, obj);
163 13b2bc37 2022-10-23 stsp return err;
165 13b2bc37 2022-10-23 stsp if (asprintf(&peeled_refname, "%s^{}", got_ref_get_name(ref)) == -1) {
166 13b2bc37 2022-10-23 stsp err = got_error_from_errno("asprintf");
170 13b2bc37 2022-10-23 stsp id = got_object_tag_get_object_id(tag);
171 13b2bc37 2022-10-23 stsp namelen = strlen(peeled_refname);
173 13b2bc37 2022-10-23 stsp len = sizeof(struct gotd_imsg_ref) + namelen;
174 13b2bc37 2022-10-23 stsp if (len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
175 13b2bc37 2022-10-23 stsp err = got_error(GOT_ERR_NO_SPACE);
179 13b2bc37 2022-10-23 stsp wbuf = imsg_create(ibuf, GOTD_IMSG_REF, PROC_REPO_READ,
180 13b2bc37 2022-10-23 stsp repo_read.pid, len);
181 13b2bc37 2022-10-23 stsp if (wbuf == NULL) {
182 13b2bc37 2022-10-23 stsp err = got_error_from_errno("imsg_create MREF");
186 13b2bc37 2022-10-23 stsp /* Keep in sync with struct gotd_imsg_ref definition. */
187 13b2bc37 2022-10-23 stsp if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1) {
188 13b2bc37 2022-10-23 stsp err = got_error_from_errno("imsg_add REF");
191 13b2bc37 2022-10-23 stsp if (imsg_add(wbuf, &namelen, sizeof(namelen)) == -1) {
192 13b2bc37 2022-10-23 stsp err = got_error_from_errno("imsg_add REF");
195 13b2bc37 2022-10-23 stsp if (imsg_add(wbuf, peeled_refname, namelen) == -1) {
196 13b2bc37 2022-10-23 stsp err = got_error_from_errno("imsg_add REF");
200 13b2bc37 2022-10-23 stsp imsg_close(ibuf, wbuf);
202 13b2bc37 2022-10-23 stsp got_object_tag_close(tag);
203 13b2bc37 2022-10-23 stsp return err;
206 13b2bc37 2022-10-23 stsp static const struct got_error *
207 13b2bc37 2022-10-23 stsp send_ref(struct got_reference *ref, struct imsgbuf *ibuf)
209 13b2bc37 2022-10-23 stsp const struct got_error *err;
210 13b2bc37 2022-10-23 stsp const char *refname = got_ref_get_name(ref);
211 13b2bc37 2022-10-23 stsp size_t namelen;
212 13b2bc37 2022-10-23 stsp struct got_object_id *id = NULL;
213 13b2bc37 2022-10-23 stsp struct got_object *obj = NULL;
214 13b2bc37 2022-10-23 stsp size_t len;
215 13b2bc37 2022-10-23 stsp struct ibuf *wbuf;
217 13b2bc37 2022-10-23 stsp namelen = strlen(refname);
219 13b2bc37 2022-10-23 stsp len = sizeof(struct gotd_imsg_ref) + namelen;
220 13b2bc37 2022-10-23 stsp if (len > MAX_IMSGSIZE - IMSG_HEADER_SIZE)
221 13b2bc37 2022-10-23 stsp return got_error(GOT_ERR_NO_SPACE);
223 13b2bc37 2022-10-23 stsp err = got_ref_resolve(&id, repo_read.repo, ref);
225 13b2bc37 2022-10-23 stsp return err;
227 13b2bc37 2022-10-23 stsp wbuf = imsg_create(ibuf, GOTD_IMSG_REF, PROC_REPO_READ,
228 13b2bc37 2022-10-23 stsp repo_read.pid, len);
229 13b2bc37 2022-10-23 stsp if (wbuf == NULL) {
230 13b2bc37 2022-10-23 stsp err = got_error_from_errno("imsg_create REF");
234 13b2bc37 2022-10-23 stsp /* Keep in sync with struct gotd_imsg_ref definition. */
235 13b2bc37 2022-10-23 stsp if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1)
236 13b2bc37 2022-10-23 stsp return got_error_from_errno("imsg_add REF");
237 13b2bc37 2022-10-23 stsp if (imsg_add(wbuf, &namelen, sizeof(namelen)) == -1)
238 13b2bc37 2022-10-23 stsp return got_error_from_errno("imsg_add REF");
239 13b2bc37 2022-10-23 stsp if (imsg_add(wbuf, refname, namelen) == -1)
240 13b2bc37 2022-10-23 stsp return got_error_from_errno("imsg_add REF");
242 13b2bc37 2022-10-23 stsp imsg_close(ibuf, wbuf);
244 13b2bc37 2022-10-23 stsp err = got_object_open(&obj, repo_read.repo, id);
247 13b2bc37 2022-10-23 stsp if (obj->type == GOT_OBJ_TYPE_TAG)
248 13b2bc37 2022-10-23 stsp err = send_peeled_tag_ref(ref, obj, ibuf);
251 13b2bc37 2022-10-23 stsp got_object_close(obj);
253 13b2bc37 2022-10-23 stsp return err;
256 13b2bc37 2022-10-23 stsp static const struct got_error *
257 1a52c9bf 2022-12-30 stsp list_refs(struct imsg *imsg)
259 13b2bc37 2022-10-23 stsp const struct got_error *err;
260 1a52c9bf 2022-12-30 stsp struct repo_read_client *client = &repo_read_client;
261 13b2bc37 2022-10-23 stsp struct got_reflist_head refs;
262 13b2bc37 2022-10-23 stsp struct got_reflist_entry *re;
263 13b2bc37 2022-10-23 stsp struct gotd_imsg_list_refs_internal ireq;
264 13b2bc37 2022-10-23 stsp size_t datalen;
265 13b2bc37 2022-10-23 stsp struct gotd_imsg_reflist irefs;
266 13b2bc37 2022-10-23 stsp struct imsgbuf ibuf;
267 2c52c623 2024-01-30 op int client_fd;
268 ca7cfae0 2022-11-07 stsp struct got_object_id *head_target_id = NULL;
270 13b2bc37 2022-10-23 stsp TAILQ_INIT(&refs);
272 2c52c623 2024-01-30 op client_fd = imsg_get_fd(imsg);
273 13b2bc37 2022-10-23 stsp if (client_fd == -1)
274 13b2bc37 2022-10-23 stsp return got_error(GOT_ERR_PRIVSEP_NO_FD);
276 13b2bc37 2022-10-23 stsp datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
277 13b2bc37 2022-10-23 stsp if (datalen != sizeof(ireq))
278 13b2bc37 2022-10-23 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
279 13b2bc37 2022-10-23 stsp memcpy(&ireq, imsg->data, sizeof(ireq));
281 1a52c9bf 2022-12-30 stsp if (ireq.client_id == 0)
282 1a52c9bf 2022-12-30 stsp return got_error(GOT_ERR_CLIENT_ID);
283 1a52c9bf 2022-12-30 stsp if (client->id != 0) {
284 1a52c9bf 2022-12-30 stsp return got_error_msg(GOT_ERR_CLIENT_ID,
285 1a52c9bf 2022-12-30 stsp "duplicate list-refs request");
287 1a52c9bf 2022-12-30 stsp client->id = ireq.client_id;
288 1a52c9bf 2022-12-30 stsp client->fd = client_fd;
290 13b2bc37 2022-10-23 stsp imsg_init(&ibuf, client_fd);
292 13b2bc37 2022-10-23 stsp err = got_ref_list(&refs, repo_read.repo, "",
293 13b2bc37 2022-10-23 stsp got_ref_cmp_by_name, NULL);
295 13b2bc37 2022-10-23 stsp return err;
297 13b2bc37 2022-10-23 stsp memset(&irefs, 0, sizeof(irefs));
298 13b2bc37 2022-10-23 stsp TAILQ_FOREACH(re, &refs, entry) {
299 13b2bc37 2022-10-23 stsp struct got_object_id *id;
300 13b2bc37 2022-10-23 stsp int obj_type;
302 13b2bc37 2022-10-23 stsp if (got_ref_is_symbolic(re->ref)) {
303 13b2bc37 2022-10-23 stsp const char *refname = got_ref_get_name(re->ref);
304 ca7cfae0 2022-11-07 stsp if (strcmp(refname, GOT_REF_HEAD) != 0)
306 ca7cfae0 2022-11-07 stsp err = got_ref_resolve(&head_target_id, repo_read.repo,
309 ca7cfae0 2022-11-07 stsp if (err->code != GOT_ERR_NOT_REF)
310 ca7cfae0 2022-11-07 stsp return err;
312 ca7cfae0 2022-11-07 stsp * HEAD points to a non-existent branch.
313 ca7cfae0 2022-11-07 stsp * Do not advertise it.
314 ca7cfae0 2022-11-07 stsp * Matches git-daemon's behaviour.
316 ca7cfae0 2022-11-07 stsp head_target_id = NULL;
317 ca7cfae0 2022-11-07 stsp err = NULL;
319 13b2bc37 2022-10-23 stsp irefs.nrefs++;
323 13b2bc37 2022-10-23 stsp irefs.nrefs++;
325 13b2bc37 2022-10-23 stsp /* Account for a peeled tag refs. */
326 13b2bc37 2022-10-23 stsp err = got_ref_resolve(&id, repo_read.repo, re->ref);
329 e26970cc 2023-01-10 op err = got_object_get_type(&obj_type, repo_read.repo, id);
333 13b2bc37 2022-10-23 stsp if (obj_type == GOT_OBJ_TYPE_TAG)
334 13b2bc37 2022-10-23 stsp irefs.nrefs++;
337 13b2bc37 2022-10-23 stsp if (imsg_compose(&ibuf, GOTD_IMSG_REFLIST, PROC_REPO_READ,
338 13b2bc37 2022-10-23 stsp repo_read.pid, -1, &irefs, sizeof(irefs)) == -1) {
339 13b2bc37 2022-10-23 stsp err = got_error_from_errno("imsg_compose REFLIST");
344 13b2bc37 2022-10-23 stsp * Send the HEAD symref first. In Git-protocol versions < 2
345 13b2bc37 2022-10-23 stsp * the HEAD symref must be announced on the initial line of
346 13b2bc37 2022-10-23 stsp * the server's ref advertisement.
347 13b2bc37 2022-10-23 stsp * For now, we do not advertise symrefs other than HEAD.
349 13b2bc37 2022-10-23 stsp TAILQ_FOREACH(re, &refs, entry) {
350 13b2bc37 2022-10-23 stsp if (!got_ref_is_symbolic(re->ref) ||
351 ca7cfae0 2022-11-07 stsp strcmp(got_ref_get_name(re->ref), GOT_REF_HEAD) != 0 ||
352 ca7cfae0 2022-11-07 stsp head_target_id == NULL)
354 ca7cfae0 2022-11-07 stsp err = send_symref(re->ref, head_target_id, &ibuf);
359 13b2bc37 2022-10-23 stsp TAILQ_FOREACH(re, &refs, entry) {
360 13b2bc37 2022-10-23 stsp if (got_ref_is_symbolic(re->ref))
362 13b2bc37 2022-10-23 stsp err = send_ref(re->ref, &ibuf);
367 13b2bc37 2022-10-23 stsp err = gotd_imsg_flush(&ibuf);
369 13b2bc37 2022-10-23 stsp got_ref_list_free(&refs);
370 13b2bc37 2022-10-23 stsp imsg_clear(&ibuf);
371 13b2bc37 2022-10-23 stsp return err;
374 13b2bc37 2022-10-23 stsp static const struct got_error *
375 4fb2bb7d 2023-02-27 stsp append_object_id(struct got_object_id *id, void *data, void *arg)
377 4fb2bb7d 2023-02-27 stsp struct gotd_object_id_array *array = arg;
378 13b2bc37 2022-10-23 stsp const size_t alloc_chunksz = 256;
380 13b2bc37 2022-10-23 stsp if (array->ids == NULL) {
381 13b2bc37 2022-10-23 stsp array->ids = reallocarray(NULL, alloc_chunksz,
382 13b2bc37 2022-10-23 stsp sizeof(*array->ids));
383 13b2bc37 2022-10-23 stsp if (array->ids == NULL)
384 13b2bc37 2022-10-23 stsp return got_error_from_errno("reallocarray");
385 13b2bc37 2022-10-23 stsp array->nalloc = alloc_chunksz;
386 13b2bc37 2022-10-23 stsp array->nids = 0;
387 13b2bc37 2022-10-23 stsp } else if (array->nalloc <= array->nids) {
388 13b2bc37 2022-10-23 stsp struct got_object_id **new;
389 13b2bc37 2022-10-23 stsp new = recallocarray(array->ids, array->nalloc,
390 13b2bc37 2022-10-23 stsp array->nalloc + alloc_chunksz, sizeof(*new));
391 13b2bc37 2022-10-23 stsp if (new == NULL)
392 13b2bc37 2022-10-23 stsp return got_error_from_errno("recallocarray");
393 13b2bc37 2022-10-23 stsp array->ids = new;
394 13b2bc37 2022-10-23 stsp array->nalloc += alloc_chunksz;
397 4fb2bb7d 2023-02-27 stsp array->ids[array->nids] = id;
398 13b2bc37 2022-10-23 stsp array->nids++;
399 13b2bc37 2022-10-23 stsp return NULL;
402 13b2bc37 2022-10-23 stsp static const struct got_error *
403 1a52c9bf 2022-12-30 stsp recv_want(struct imsg *imsg)
405 13b2bc37 2022-10-23 stsp const struct got_error *err;
406 1a52c9bf 2022-12-30 stsp struct repo_read_client *client = &repo_read_client;
407 13b2bc37 2022-10-23 stsp struct gotd_imsg_want iwant;
408 13b2bc37 2022-10-23 stsp size_t datalen;
409 13b2bc37 2022-10-23 stsp char hex[SHA1_DIGEST_STRING_LENGTH];
410 13b2bc37 2022-10-23 stsp struct got_object_id id;
411 13b2bc37 2022-10-23 stsp int obj_type;
412 13b2bc37 2022-10-23 stsp struct imsgbuf ibuf;
414 13b2bc37 2022-10-23 stsp datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
415 13b2bc37 2022-10-23 stsp if (datalen != sizeof(iwant))
416 13b2bc37 2022-10-23 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
417 13b2bc37 2022-10-23 stsp memcpy(&iwant, imsg->data, sizeof(iwant));
419 13b2bc37 2022-10-23 stsp memset(&id, 0, sizeof(id));
420 13b2bc37 2022-10-23 stsp memcpy(id.sha1, iwant.object_id, SHA1_DIGEST_LENGTH);
422 13b2bc37 2022-10-23 stsp if (log_getverbose() > 0 &&
423 13b2bc37 2022-10-23 stsp got_sha1_digest_to_str(id.sha1, hex, sizeof(hex)))
424 13b2bc37 2022-10-23 stsp log_debug("client wants %s", hex);
426 1a52c9bf 2022-12-30 stsp imsg_init(&ibuf, client->fd);
428 13b2bc37 2022-10-23 stsp err = got_object_get_type(&obj_type, repo_read.repo, &id);
430 13b2bc37 2022-10-23 stsp return err;
432 13b2bc37 2022-10-23 stsp if (obj_type != GOT_OBJ_TYPE_COMMIT &&
433 13b2bc37 2022-10-23 stsp obj_type != GOT_OBJ_TYPE_TAG)
434 13b2bc37 2022-10-23 stsp return got_error(GOT_ERR_OBJ_TYPE);
436 4fb2bb7d 2023-02-27 stsp if (!got_object_idset_contains(client->want_ids, &id)) {
437 4fb2bb7d 2023-02-27 stsp err = got_object_idset_add(client->want_ids, &id, NULL);
439 4fb2bb7d 2023-02-27 stsp return err;
442 13b2bc37 2022-10-23 stsp gotd_imsg_send_ack(&id, &ibuf, PROC_REPO_READ, repo_read.pid);
443 13b2bc37 2022-10-23 stsp imsg_clear(&ibuf);
444 13b2bc37 2022-10-23 stsp return err;
447 13b2bc37 2022-10-23 stsp static const struct got_error *
448 1a52c9bf 2022-12-30 stsp recv_have(struct imsg *imsg)
450 13b2bc37 2022-10-23 stsp const struct got_error *err;
451 1a52c9bf 2022-12-30 stsp struct repo_read_client *client = &repo_read_client;
452 13b2bc37 2022-10-23 stsp struct gotd_imsg_have ihave;
453 13b2bc37 2022-10-23 stsp size_t datalen;
454 13b2bc37 2022-10-23 stsp char hex[SHA1_DIGEST_STRING_LENGTH];
455 13b2bc37 2022-10-23 stsp struct got_object_id id;
456 13b2bc37 2022-10-23 stsp int obj_type;
457 13b2bc37 2022-10-23 stsp struct imsgbuf ibuf;
459 13b2bc37 2022-10-23 stsp datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
460 13b2bc37 2022-10-23 stsp if (datalen != sizeof(ihave))
461 13b2bc37 2022-10-23 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
462 13b2bc37 2022-10-23 stsp memcpy(&ihave, imsg->data, sizeof(ihave));
464 13b2bc37 2022-10-23 stsp memset(&id, 0, sizeof(id));
465 13b2bc37 2022-10-23 stsp memcpy(id.sha1, ihave.object_id, SHA1_DIGEST_LENGTH);
467 13b2bc37 2022-10-23 stsp if (log_getverbose() > 0 &&
468 13b2bc37 2022-10-23 stsp got_sha1_digest_to_str(id.sha1, hex, sizeof(hex)))
469 13b2bc37 2022-10-23 stsp log_debug("client has %s", hex);
471 1a52c9bf 2022-12-30 stsp imsg_init(&ibuf, client->fd);
473 13b2bc37 2022-10-23 stsp err = got_object_get_type(&obj_type, repo_read.repo, &id);
475 13b2bc37 2022-10-23 stsp if (err->code == GOT_ERR_NO_OBJ) {
476 13b2bc37 2022-10-23 stsp gotd_imsg_send_nak(&id, &ibuf,
477 13b2bc37 2022-10-23 stsp PROC_REPO_READ, repo_read.pid);
478 13b2bc37 2022-10-23 stsp err = NULL;
483 13b2bc37 2022-10-23 stsp if (obj_type != GOT_OBJ_TYPE_COMMIT &&
484 13b2bc37 2022-10-23 stsp obj_type != GOT_OBJ_TYPE_TAG) {
485 13b2bc37 2022-10-23 stsp gotd_imsg_send_nak(&id, &ibuf, PROC_REPO_READ, repo_read.pid);
486 13b2bc37 2022-10-23 stsp err = got_error(GOT_ERR_OBJ_TYPE);
490 4fb2bb7d 2023-02-27 stsp if (!got_object_idset_contains(client->have_ids, &id)) {
491 4fb2bb7d 2023-02-27 stsp err = got_object_idset_add(client->have_ids, &id, NULL);
496 13b2bc37 2022-10-23 stsp gotd_imsg_send_ack(&id, &ibuf, PROC_REPO_READ, repo_read.pid);
498 13b2bc37 2022-10-23 stsp imsg_clear(&ibuf);
499 13b2bc37 2022-10-23 stsp return err;
502 13b2bc37 2022-10-23 stsp struct repo_read_pack_progress_arg {
503 13b2bc37 2022-10-23 stsp int report_progress;
504 13b2bc37 2022-10-23 stsp struct imsgbuf *ibuf;
505 13b2bc37 2022-10-23 stsp int sent_ready;
508 13b2bc37 2022-10-23 stsp static const struct got_error *
509 13b2bc37 2022-10-23 stsp pack_progress(void *arg, int ncolored, int nfound, int ntrees,
510 13b2bc37 2022-10-23 stsp off_t packfile_size, int ncommits, int nobj_total, int nobj_deltify,
511 13b2bc37 2022-10-23 stsp int nobj_written)
513 13b2bc37 2022-10-23 stsp struct repo_read_pack_progress_arg *a = arg;
514 13b2bc37 2022-10-23 stsp struct gotd_imsg_packfile_progress iprog;
517 13b2bc37 2022-10-23 stsp if (!a->report_progress)
518 13b2bc37 2022-10-23 stsp return NULL;
519 13b2bc37 2022-10-23 stsp if (packfile_size > 0 && a->sent_ready)
520 13b2bc37 2022-10-23 stsp return NULL;
522 13b2bc37 2022-10-23 stsp memset(&iprog, 0, sizeof(iprog));
523 13b2bc37 2022-10-23 stsp iprog.ncolored = ncolored;
524 13b2bc37 2022-10-23 stsp iprog.nfound = nfound;
525 13b2bc37 2022-10-23 stsp iprog.ntrees = ntrees;
526 13b2bc37 2022-10-23 stsp iprog.packfile_size = packfile_size;
527 13b2bc37 2022-10-23 stsp iprog.ncommits = ncommits;
528 13b2bc37 2022-10-23 stsp iprog.nobj_total = nobj_total;
529 13b2bc37 2022-10-23 stsp iprog.nobj_deltify = nobj_deltify;
530 13b2bc37 2022-10-23 stsp iprog.nobj_written = nobj_written;
532 13b2bc37 2022-10-23 stsp /* Using synchronous writes since we are blocking the event loop. */
533 13b2bc37 2022-10-23 stsp if (packfile_size == 0) {
534 13b2bc37 2022-10-23 stsp ret = imsg_compose(a->ibuf, GOTD_IMSG_PACKFILE_PROGRESS,
535 13b2bc37 2022-10-23 stsp PROC_REPO_READ, repo_read.pid, -1, &iprog, sizeof(iprog));
536 13b2bc37 2022-10-23 stsp if (ret == -1) {
537 13b2bc37 2022-10-23 stsp return got_error_from_errno("imsg compose "
538 13b2bc37 2022-10-23 stsp "PACKFILE_PROGRESS");
541 13b2bc37 2022-10-23 stsp a->sent_ready = 1;
542 13b2bc37 2022-10-23 stsp ret = imsg_compose(a->ibuf, GOTD_IMSG_PACKFILE_READY,
543 13b2bc37 2022-10-23 stsp PROC_REPO_READ, repo_read.pid, -1, &iprog, sizeof(iprog));
544 13b2bc37 2022-10-23 stsp if (ret == -1) {
545 13b2bc37 2022-10-23 stsp return got_error_from_errno("imsg compose "
546 13b2bc37 2022-10-23 stsp "PACKFILE_READY");
550 13b2bc37 2022-10-23 stsp return gotd_imsg_flush(a->ibuf);
553 13b2bc37 2022-10-23 stsp static const struct got_error *
554 1a52c9bf 2022-12-30 stsp receive_delta_cache_fd(struct imsg *imsg,
555 13b2bc37 2022-10-23 stsp struct gotd_imsgev *iev)
557 1a52c9bf 2022-12-30 stsp struct repo_read_client *client = &repo_read_client;
558 13b2bc37 2022-10-23 stsp struct gotd_imsg_send_packfile ireq;
559 13b2bc37 2022-10-23 stsp size_t datalen;
561 9cbac887 2023-04-20 stsp log_debug("receiving delta cache file");
563 13b2bc37 2022-10-23 stsp datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
564 13b2bc37 2022-10-23 stsp if (datalen != sizeof(ireq))
565 13b2bc37 2022-10-23 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
566 13b2bc37 2022-10-23 stsp memcpy(&ireq, imsg->data, sizeof(ireq));
568 1a52c9bf 2022-12-30 stsp if (client->delta_cache_fd != -1)
569 13b2bc37 2022-10-23 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
571 2c52c623 2024-01-30 op client->delta_cache_fd = imsg_get_fd(imsg);
572 2c52c623 2024-01-30 op if (client->delta_cache_fd == -1)
573 2c52c623 2024-01-30 op return got_error(GOT_ERR_PRIVSEP_NO_FD);
575 1a52c9bf 2022-12-30 stsp client->report_progress = ireq.report_progress;
576 13b2bc37 2022-10-23 stsp return NULL;
579 13b2bc37 2022-10-23 stsp static const struct got_error *
580 1a52c9bf 2022-12-30 stsp receive_pack_pipe(struct imsg *imsg, struct gotd_imsgev *iev)
582 1a52c9bf 2022-12-30 stsp struct repo_read_client *client = &repo_read_client;
583 13b2bc37 2022-10-23 stsp struct gotd_imsg_packfile_pipe ireq;
584 13b2bc37 2022-10-23 stsp size_t datalen;
586 9cbac887 2023-04-20 stsp log_debug("receiving pack pipe descriptor");
588 13b2bc37 2022-10-23 stsp datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
589 13b2bc37 2022-10-23 stsp if (datalen != sizeof(ireq))
590 13b2bc37 2022-10-23 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
591 13b2bc37 2022-10-23 stsp memcpy(&ireq, imsg->data, sizeof(ireq));
593 1a52c9bf 2022-12-30 stsp if (client->pack_pipe != -1)
594 13b2bc37 2022-10-23 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
596 2c52c623 2024-01-30 op client->pack_pipe = imsg_get_fd(imsg);
597 2c52c623 2024-01-30 op if (client->pack_pipe == -1)
598 2c52c623 2024-01-30 op return got_error(GOT_ERR_PRIVSEP_NO_FD);
600 13b2bc37 2022-10-23 stsp return NULL;
603 13b2bc37 2022-10-23 stsp static const struct got_error *
604 1a52c9bf 2022-12-30 stsp send_packfile(struct imsg *imsg, struct gotd_imsgev *iev)
606 13b2bc37 2022-10-23 stsp const struct got_error *err = NULL;
607 1a52c9bf 2022-12-30 stsp struct repo_read_client *client = &repo_read_client;
608 13b2bc37 2022-10-23 stsp struct gotd_imsg_packfile_done idone;
609 13b2bc37 2022-10-23 stsp uint8_t packsha1[SHA1_DIGEST_LENGTH];
610 13b2bc37 2022-10-23 stsp char hex[SHA1_DIGEST_STRING_LENGTH];
611 13b2bc37 2022-10-23 stsp FILE *delta_cache = NULL;
612 13b2bc37 2022-10-23 stsp struct imsgbuf ibuf;
613 13b2bc37 2022-10-23 stsp struct repo_read_pack_progress_arg pa;
614 13b2bc37 2022-10-23 stsp struct got_ratelimit rl;
615 4fb2bb7d 2023-02-27 stsp struct gotd_object_id_array want_ids;
616 4fb2bb7d 2023-02-27 stsp struct gotd_object_id_array have_ids;
618 13b2bc37 2022-10-23 stsp log_debug("packfile request received");
620 4fb2bb7d 2023-02-27 stsp memset(&want_ids, 0, sizeof(want_ids));
621 4fb2bb7d 2023-02-27 stsp memset(&have_ids, 0, sizeof(have_ids));
623 13b2bc37 2022-10-23 stsp got_ratelimit_init(&rl, 2, 0);
625 86769de8 2022-10-28 stsp if (client->delta_cache_fd == -1 || client->pack_pipe == -1)
626 13b2bc37 2022-10-23 stsp return got_error(GOT_ERR_PRIVSEP_NO_FD);
628 13b2bc37 2022-10-23 stsp imsg_init(&ibuf, client->fd);
630 13b2bc37 2022-10-23 stsp delta_cache = fdopen(client->delta_cache_fd, "w+");
631 13b2bc37 2022-10-23 stsp if (delta_cache == NULL) {
632 13b2bc37 2022-10-23 stsp err = got_error_from_errno("fdopen");
635 13b2bc37 2022-10-23 stsp client->delta_cache_fd = -1;
637 13b2bc37 2022-10-23 stsp memset(&pa, 0, sizeof(pa));
638 13b2bc37 2022-10-23 stsp pa.ibuf = &ibuf;
639 13b2bc37 2022-10-23 stsp pa.report_progress = client->report_progress;
641 4fb2bb7d 2023-02-27 stsp err = got_object_idset_for_each(client->want_ids,
642 4fb2bb7d 2023-02-27 stsp append_object_id, &want_ids);
645 4fb2bb7d 2023-02-27 stsp err = got_object_idset_for_each(client->have_ids,
646 4fb2bb7d 2023-02-27 stsp append_object_id, &have_ids);
650 86769de8 2022-10-28 stsp err = got_pack_create(packsha1, client->pack_pipe, delta_cache,
651 4fb2bb7d 2023-02-27 stsp have_ids.ids, have_ids.nids, want_ids.ids, want_ids.nids,
652 98350b20 2023-02-17 op repo_read.repo, 0, 1, 0, pack_progress, &pa, &rl,
653 13b2bc37 2022-10-23 stsp check_cancelled, NULL);
657 13b2bc37 2022-10-23 stsp if (log_getverbose() > 0 &&
658 13b2bc37 2022-10-23 stsp got_sha1_digest_to_str(packsha1, hex, sizeof(hex)))
659 13b2bc37 2022-10-23 stsp log_debug("sent pack-%s.pack", hex);
661 13b2bc37 2022-10-23 stsp memset(&idone, 0, sizeof(idone));
662 13b2bc37 2022-10-23 stsp idone.client_id = client->id;
663 13b2bc37 2022-10-23 stsp if (gotd_imsg_compose_event(iev, GOTD_IMSG_PACKFILE_DONE,
664 13b2bc37 2022-10-23 stsp PROC_REPO_READ, -1, &idone, sizeof(idone)) == -1)
665 13b2bc37 2022-10-23 stsp err = got_error_from_errno("imsg compose PACKFILE_DONE");
667 13b2bc37 2022-10-23 stsp if (delta_cache != NULL && fclose(delta_cache) == EOF && err == NULL)
668 13b2bc37 2022-10-23 stsp err = got_error_from_errno("fclose");
669 13b2bc37 2022-10-23 stsp imsg_clear(&ibuf);
670 4fb2bb7d 2023-02-27 stsp free(want_ids.ids);
671 4fb2bb7d 2023-02-27 stsp free(have_ids.ids);
672 13b2bc37 2022-10-23 stsp return err;
675 13b2bc37 2022-10-23 stsp static void
676 ae7c1b78 2023-01-10 stsp repo_read_dispatch_session(int fd, short event, void *arg)
678 13b2bc37 2022-10-23 stsp const struct got_error *err = NULL;
679 13b2bc37 2022-10-23 stsp struct gotd_imsgev *iev = arg;
680 13b2bc37 2022-10-23 stsp struct imsgbuf *ibuf = &iev->ibuf;
681 13b2bc37 2022-10-23 stsp struct imsg imsg;
683 13b2bc37 2022-10-23 stsp int shut = 0;
684 1a52c9bf 2022-12-30 stsp struct repo_read_client *client = &repo_read_client;
686 13b2bc37 2022-10-23 stsp if (event & EV_READ) {
687 13b2bc37 2022-10-23 stsp if ((n = imsg_read(ibuf)) == -1 && errno != EAGAIN)
688 13b2bc37 2022-10-23 stsp fatal("imsg_read error");
689 13b2bc37 2022-10-23 stsp if (n == 0) /* Connection closed. */
693 13b2bc37 2022-10-23 stsp if (event & EV_WRITE) {
694 13b2bc37 2022-10-23 stsp n = msgbuf_write(&ibuf->w);
695 13b2bc37 2022-10-23 stsp if (n == -1 && errno != EAGAIN)
696 13b2bc37 2022-10-23 stsp fatal("msgbuf_write");
697 13b2bc37 2022-10-23 stsp if (n == 0) /* Connection closed. */
701 13b2bc37 2022-10-23 stsp while (err == NULL && check_cancelled(NULL) == NULL) {
702 13b2bc37 2022-10-23 stsp if ((n = imsg_get(ibuf, &imsg)) == -1)
703 13b2bc37 2022-10-23 stsp fatal("%s: imsg_get", __func__);
704 13b2bc37 2022-10-23 stsp if (n == 0) /* No more messages. */
707 1a52c9bf 2022-12-30 stsp if (imsg.hdr.type != GOTD_IMSG_LIST_REFS_INTERNAL &&
708 1a52c9bf 2022-12-30 stsp client->id == 0) {
709 1a52c9bf 2022-12-30 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
713 13b2bc37 2022-10-23 stsp switch (imsg.hdr.type) {
714 13b2bc37 2022-10-23 stsp case GOTD_IMSG_LIST_REFS_INTERNAL:
715 1a52c9bf 2022-12-30 stsp err = list_refs(&imsg);
717 88f6dccd 2023-03-04 op log_warnx("ls-refs: %s", err->msg);
719 13b2bc37 2022-10-23 stsp case GOTD_IMSG_WANT:
720 1a52c9bf 2022-12-30 stsp err = recv_want(&imsg);
722 88f6dccd 2023-03-04 op log_warnx("want-line: %s", err->msg);
724 13b2bc37 2022-10-23 stsp case GOTD_IMSG_HAVE:
725 1a52c9bf 2022-12-30 stsp err = recv_have(&imsg);
727 88f6dccd 2023-03-04 op log_warnx("have-line: %s", err->msg);
729 13b2bc37 2022-10-23 stsp case GOTD_IMSG_SEND_PACKFILE:
730 1a52c9bf 2022-12-30 stsp err = receive_delta_cache_fd(&imsg, iev);
732 88f6dccd 2023-03-04 op log_warnx("receiving delta cache: %s",
735 13b2bc37 2022-10-23 stsp case GOTD_IMSG_PACKFILE_PIPE:
736 1a52c9bf 2022-12-30 stsp err = receive_pack_pipe(&imsg, iev);
738 88f6dccd 2023-03-04 op log_warnx("receiving pack pipe: %s", err->msg);
741 1a52c9bf 2022-12-30 stsp err = send_packfile(&imsg, iev);
743 88f6dccd 2023-03-04 op log_warnx("sending packfile: %s", err->msg);
746 88f6dccd 2023-03-04 op log_debug("unexpected imsg %d", imsg.hdr.type);
750 ae7c1b78 2023-01-10 stsp imsg_free(&imsg);
753 ae7c1b78 2023-01-10 stsp if (!shut && check_cancelled(NULL) == NULL) {
755 ae7c1b78 2023-01-10 stsp gotd_imsg_send_error_event(iev, PROC_REPO_READ,
756 ae7c1b78 2023-01-10 stsp client->id, err) == -1) {
757 ae7c1b78 2023-01-10 stsp log_warnx("could not send error to parent: %s",
760 ae7c1b78 2023-01-10 stsp gotd_imsg_event_add(iev);
762 ae7c1b78 2023-01-10 stsp /* This pipe is dead. Remove its event handler */
763 ae7c1b78 2023-01-10 stsp event_del(&iev->ev);
764 ae7c1b78 2023-01-10 stsp event_loopexit(NULL);
768 ae7c1b78 2023-01-10 stsp static const struct got_error *
769 ae7c1b78 2023-01-10 stsp recv_connect(struct imsg *imsg)
771 ae7c1b78 2023-01-10 stsp struct gotd_imsgev *iev = &repo_read.session_iev;
772 ae7c1b78 2023-01-10 stsp size_t datalen;
774 ae7c1b78 2023-01-10 stsp datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
775 ae7c1b78 2023-01-10 stsp if (datalen != 0)
776 ae7c1b78 2023-01-10 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
778 ae7c1b78 2023-01-10 stsp if (repo_read.session_fd != -1)
779 ae7c1b78 2023-01-10 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
781 2c52c623 2024-01-30 op repo_read.session_fd = imsg_get_fd(imsg);
782 2c52c623 2024-01-30 op if (repo_read.session_fd == -1)
783 2c52c623 2024-01-30 op return got_error(GOT_ERR_PRIVSEP_NO_FD);
785 ae7c1b78 2023-01-10 stsp imsg_init(&iev->ibuf, repo_read.session_fd);
786 ae7c1b78 2023-01-10 stsp iev->handler = repo_read_dispatch_session;
787 ae7c1b78 2023-01-10 stsp iev->events = EV_READ;
788 ae7c1b78 2023-01-10 stsp iev->handler_arg = NULL;
789 ae7c1b78 2023-01-10 stsp event_set(&iev->ev, iev->ibuf.fd, EV_READ,
790 ae7c1b78 2023-01-10 stsp repo_read_dispatch_session, iev);
791 ae7c1b78 2023-01-10 stsp gotd_imsg_event_add(iev);
793 ae7c1b78 2023-01-10 stsp return NULL;
796 ae7c1b78 2023-01-10 stsp static void
797 ae7c1b78 2023-01-10 stsp repo_read_dispatch(int fd, short event, void *arg)
799 ae7c1b78 2023-01-10 stsp const struct got_error *err = NULL;
800 ae7c1b78 2023-01-10 stsp struct gotd_imsgev *iev = arg;
801 ae7c1b78 2023-01-10 stsp struct imsgbuf *ibuf = &iev->ibuf;
802 ae7c1b78 2023-01-10 stsp struct imsg imsg;
804 ae7c1b78 2023-01-10 stsp int shut = 0;
805 ae7c1b78 2023-01-10 stsp struct repo_read_client *client = &repo_read_client;
807 ae7c1b78 2023-01-10 stsp if (event & EV_READ) {
808 ae7c1b78 2023-01-10 stsp if ((n = imsg_read(ibuf)) == -1 && errno != EAGAIN)
809 ae7c1b78 2023-01-10 stsp fatal("imsg_read error");
810 ae7c1b78 2023-01-10 stsp if (n == 0) /* Connection closed. */
814 ae7c1b78 2023-01-10 stsp if (event & EV_WRITE) {
815 ae7c1b78 2023-01-10 stsp n = msgbuf_write(&ibuf->w);
816 ae7c1b78 2023-01-10 stsp if (n == -1 && errno != EAGAIN)
817 ae7c1b78 2023-01-10 stsp fatal("msgbuf_write");
818 ae7c1b78 2023-01-10 stsp if (n == 0) /* Connection closed. */
822 ae7c1b78 2023-01-10 stsp while (err == NULL && check_cancelled(NULL) == NULL) {
823 ae7c1b78 2023-01-10 stsp if ((n = imsg_get(ibuf, &imsg)) == -1)
824 ae7c1b78 2023-01-10 stsp fatal("%s: imsg_get", __func__);
825 ae7c1b78 2023-01-10 stsp if (n == 0) /* No more messages. */
828 ae7c1b78 2023-01-10 stsp switch (imsg.hdr.type) {
829 ae7c1b78 2023-01-10 stsp case GOTD_IMSG_CONNECT_REPO_CHILD:
830 ae7c1b78 2023-01-10 stsp err = recv_connect(&imsg);
833 88f6dccd 2023-03-04 op log_debug("unexpected imsg %d", imsg.hdr.type);
837 13b2bc37 2022-10-23 stsp imsg_free(&imsg);
840 13b2bc37 2022-10-23 stsp if (!shut && check_cancelled(NULL) == NULL) {
842 13b2bc37 2022-10-23 stsp gotd_imsg_send_error_event(iev, PROC_REPO_READ,
843 1a52c9bf 2022-12-30 stsp client->id, err) == -1) {
844 13b2bc37 2022-10-23 stsp log_warnx("could not send error to parent: %s",
847 13b2bc37 2022-10-23 stsp gotd_imsg_event_add(iev);
849 13b2bc37 2022-10-23 stsp /* This pipe is dead. Remove its event handler */
850 13b2bc37 2022-10-23 stsp event_del(&iev->ev);
851 13b2bc37 2022-10-23 stsp event_loopexit(NULL);
856 eec68231 2022-12-14 stsp repo_read_main(const char *title, const char *repo_path,
857 eec68231 2022-12-14 stsp int *pack_fds, int *temp_fds)
859 13b2bc37 2022-10-23 stsp const struct got_error *err = NULL;
860 363c6230 2023-02-09 stsp struct repo_read_client *client = &repo_read_client;
861 13b2bc37 2022-10-23 stsp struct gotd_imsgev iev;
863 363c6230 2023-02-09 stsp client->fd = -1;
864 363c6230 2023-02-09 stsp client->delta_cache_fd = -1;
865 363c6230 2023-02-09 stsp client->pack_pipe = -1;
866 4fb2bb7d 2023-02-27 stsp client->have_ids = got_object_idset_alloc();
867 4fb2bb7d 2023-02-27 stsp if (client->have_ids == NULL) {
868 4fb2bb7d 2023-02-27 stsp err = got_error_from_errno("got_object_idset_alloc");
871 4fb2bb7d 2023-02-27 stsp client->want_ids = got_object_idset_alloc();
872 4fb2bb7d 2023-02-27 stsp if (client->want_ids == NULL) {
873 4fb2bb7d 2023-02-27 stsp err = got_error_from_errno("got_object_idset_alloc");
877 13b2bc37 2022-10-23 stsp repo_read.title = title;
878 13b2bc37 2022-10-23 stsp repo_read.pid = getpid();
879 13b2bc37 2022-10-23 stsp repo_read.pack_fds = pack_fds;
880 13b2bc37 2022-10-23 stsp repo_read.temp_fds = temp_fds;
881 ae7c1b78 2023-01-10 stsp repo_read.session_fd = -1;
882 ae7c1b78 2023-01-10 stsp repo_read.session_iev.ibuf.fd = -1;
884 eec68231 2022-12-14 stsp err = got_repo_open(&repo_read.repo, repo_path, NULL, pack_fds);
887 13b2bc37 2022-10-23 stsp if (!got_repo_is_bare(repo_read.repo)) {
888 13b2bc37 2022-10-23 stsp err = got_error_msg(GOT_ERR_NOT_GIT_REPO,
889 13b2bc37 2022-10-23 stsp "bare git repository required");
893 13b2bc37 2022-10-23 stsp got_repo_temp_fds_set(repo_read.repo, temp_fds);
895 13b2bc37 2022-10-23 stsp signal(SIGINT, catch_sigint);
896 13b2bc37 2022-10-23 stsp signal(SIGTERM, catch_sigterm);
897 13b2bc37 2022-10-23 stsp signal(SIGPIPE, SIG_IGN);
898 13b2bc37 2022-10-23 stsp signal(SIGHUP, SIG_IGN);
900 8c6fc146 2022-11-17 stsp imsg_init(&iev.ibuf, GOTD_FILENO_MSG_PIPE);
901 13b2bc37 2022-10-23 stsp iev.handler = repo_read_dispatch;
902 13b2bc37 2022-10-23 stsp iev.events = EV_READ;
903 13b2bc37 2022-10-23 stsp iev.handler_arg = NULL;
904 13b2bc37 2022-10-23 stsp event_set(&iev.ev, iev.ibuf.fd, EV_READ, repo_read_dispatch, &iev);
906 b50a2b46 2022-12-29 stsp if (gotd_imsg_compose_event(&iev, GOTD_IMSG_REPO_CHILD_READY,
907 b50a2b46 2022-12-29 stsp PROC_REPO_READ, -1, NULL, 0) == -1) {
908 b50a2b46 2022-12-29 stsp err = got_error_from_errno("imsg compose REPO_CHILD_READY");
912 13b2bc37 2022-10-23 stsp event_dispatch();
915 13b2bc37 2022-10-23 stsp log_warnx("%s: %s", title, err->msg);
916 13b2bc37 2022-10-23 stsp repo_read_shutdown();
920 13b2bc37 2022-10-23 stsp repo_read_shutdown(void)
922 363c6230 2023-02-09 stsp struct repo_read_client *client = &repo_read_client;
924 4f8a1204 2023-03-04 op log_debug("shutting down");
926 4fb2bb7d 2023-02-27 stsp if (client->have_ids)
927 4fb2bb7d 2023-02-27 stsp got_object_idset_free(client->have_ids);
928 4fb2bb7d 2023-02-27 stsp if (client->want_ids)
929 4fb2bb7d 2023-02-27 stsp got_object_idset_free(client->want_ids);
930 363c6230 2023-02-09 stsp if (client->fd != -1)
931 363c6230 2023-02-09 stsp close(client->fd);
932 363c6230 2023-02-09 stsp if (client->delta_cache_fd != -1)
933 363c6230 2023-02-09 stsp close(client->delta_cache_fd);
934 363c6230 2023-02-09 stsp if (client->pack_pipe != -1)
935 363c6230 2023-02-09 stsp close(client->pack_pipe);
937 13b2bc37 2022-10-23 stsp if (repo_read.repo)
938 13b2bc37 2022-10-23 stsp got_repo_close(repo_read.repo);
939 13b2bc37 2022-10-23 stsp got_repo_pack_fds_close(repo_read.pack_fds);
940 13b2bc37 2022-10-23 stsp got_repo_temp_fds_close(repo_read.temp_fds);
941 ae7c1b78 2023-01-10 stsp if (repo_read.session_fd != -1)
942 ae7c1b78 2023-01-10 stsp close(repo_read.session_fd);