1 13b2bc37 2022-10-23 stsp /*
  2 13b2bc37 2022-10-23 stsp  * Copyright (c) 2022 Stefan Sperling <stsp@openbsd.org>
  3 13b2bc37 2022-10-23 stsp  *
  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.
  7 13b2bc37 2022-10-23 stsp  *
  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.
 15 13b2bc37 2022-10-23 stsp  */
 16 13b2bc37 2022-10-23 stsp 
 17 13b2bc37 2022-10-23 stsp #include <sys/queue.h>
 18 13b2bc37 2022-10-23 stsp #include <sys/types.h>
 19 13b2bc37 2022-10-23 stsp 
 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>
 33 13b2bc37 2022-10-23 stsp 
 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"
 41 13b2bc37 2022-10-23 stsp 
 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"
 50 13b2bc37 2022-10-23 stsp 
 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"
 54 13b2bc37 2022-10-23 stsp 
 55 13b2bc37 2022-10-23 stsp #ifndef nitems
 56 13b2bc37 2022-10-23 stsp #define nitems(_a)	(sizeof((_a)) / sizeof((_a)[0]))
 57 13b2bc37 2022-10-23 stsp #endif
 58 13b2bc37 2022-10-23 stsp 
 59 13b2bc37 2022-10-23 stsp static struct repo_read {
 60 13b2bc37 2022-10-23 stsp 	pid_t pid;
 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;
 68 13b2bc37 2022-10-23 stsp 
 69 1a52c9bf 2022-12-30 stsp static struct repo_read_client {
 70 13b2bc37 2022-10-23 stsp 	uint32_t			 id;
 71 13b2bc37 2022-10-23 stsp 	int				 fd;
 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;
 78 13b2bc37 2022-10-23 stsp 
 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;
 81 13b2bc37 2022-10-23 stsp 
 82 13b2bc37 2022-10-23 stsp static void
 83 13b2bc37 2022-10-23 stsp catch_sigint(int signo)
 84 13b2bc37 2022-10-23 stsp {
 85 13b2bc37 2022-10-23 stsp 	sigint_received = 1;
 86 13b2bc37 2022-10-23 stsp }
 87 13b2bc37 2022-10-23 stsp 
 88 13b2bc37 2022-10-23 stsp static void
 89 13b2bc37 2022-10-23 stsp catch_sigterm(int signo)
 90 13b2bc37 2022-10-23 stsp {
 91 13b2bc37 2022-10-23 stsp 	sigterm_received = 1;
 92 13b2bc37 2022-10-23 stsp }
 93 13b2bc37 2022-10-23 stsp 
 94 13b2bc37 2022-10-23 stsp static const struct got_error *
 95 13b2bc37 2022-10-23 stsp check_cancelled(void *arg)
 96 13b2bc37 2022-10-23 stsp {
 97 13b2bc37 2022-10-23 stsp 	if (sigint_received || sigterm_received)
 98 13b2bc37 2022-10-23 stsp 		return got_error(GOT_ERR_CANCELLED);
 99 13b2bc37 2022-10-23 stsp 
100 13b2bc37 2022-10-23 stsp 	return NULL;
101 13b2bc37 2022-10-23 stsp }
102 13b2bc37 2022-10-23 stsp 
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)
106 13b2bc37 2022-10-23 stsp {
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;
113 13b2bc37 2022-10-23 stsp 
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));
118 13b2bc37 2022-10-23 stsp 
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);
122 13b2bc37 2022-10-23 stsp 		goto done;
123 13b2bc37 2022-10-23 stsp 	}
124 13b2bc37 2022-10-23 stsp 
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");
128 13b2bc37 2022-10-23 stsp 		goto done;
129 13b2bc37 2022-10-23 stsp 	}
130 13b2bc37 2022-10-23 stsp 
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");
133 13b2bc37 2022-10-23 stsp 		goto done;
134 13b2bc37 2022-10-23 stsp 	}
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");
137 13b2bc37 2022-10-23 stsp 		goto done;
138 13b2bc37 2022-10-23 stsp 	}
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");
141 13b2bc37 2022-10-23 stsp 		goto done;
142 13b2bc37 2022-10-23 stsp 	}
143 13b2bc37 2022-10-23 stsp 
144 13b2bc37 2022-10-23 stsp 	wbuf->fd = -1;
145 13b2bc37 2022-10-23 stsp 	imsg_close(ibuf, wbuf);
146 13b2bc37 2022-10-23 stsp done:
147 13b2bc37 2022-10-23 stsp 	free(target_id);
148 13b2bc37 2022-10-23 stsp 	return err;
149 13b2bc37 2022-10-23 stsp }
150 13b2bc37 2022-10-23 stsp 
151 13b2bc37 2022-10-23 stsp static const struct got_error *
152 13b2bc37 2022-10-23 stsp send_peeled_tag_ref(struct got_reference *ref, struct got_object *obj,
153 13b2bc37 2022-10-23 stsp     struct imsgbuf *ibuf)
154 13b2bc37 2022-10-23 stsp {
155 13b2bc37 2022-10-23 stsp 	const struct got_error *err = NULL;
156 13b2bc37 2022-10-23 stsp 	struct got_tag_object *tag;
157 13b2bc37 2022-10-23 stsp 	size_t namelen, len;
158 13b2bc37 2022-10-23 stsp 	char *peeled_refname = NULL;
159 13b2bc37 2022-10-23 stsp 	struct got_object_id *id;
160 13b2bc37 2022-10-23 stsp 	struct ibuf *wbuf;
161 13b2bc37 2022-10-23 stsp 
162 13b2bc37 2022-10-23 stsp 	err = got_object_tag_open(&tag, repo_read.repo, obj);
163 13b2bc37 2022-10-23 stsp 	if (err)
164 13b2bc37 2022-10-23 stsp 		return err;
165 13b2bc37 2022-10-23 stsp 
166 13b2bc37 2022-10-23 stsp 	if (asprintf(&peeled_refname, "%s^{}", got_ref_get_name(ref)) == -1) {
167 13b2bc37 2022-10-23 stsp 		err = got_error_from_errno("asprintf");
168 13b2bc37 2022-10-23 stsp 		goto done;
169 13b2bc37 2022-10-23 stsp 	}
170 13b2bc37 2022-10-23 stsp 
171 13b2bc37 2022-10-23 stsp 	id = got_object_tag_get_object_id(tag);
172 13b2bc37 2022-10-23 stsp 	namelen = strlen(peeled_refname);
173 13b2bc37 2022-10-23 stsp 
174 13b2bc37 2022-10-23 stsp 	len = sizeof(struct gotd_imsg_ref) + namelen;
175 13b2bc37 2022-10-23 stsp 	if (len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
176 13b2bc37 2022-10-23 stsp 		err = got_error(GOT_ERR_NO_SPACE);
177 13b2bc37 2022-10-23 stsp 		goto done;
178 13b2bc37 2022-10-23 stsp 	}
179 13b2bc37 2022-10-23 stsp 
180 13b2bc37 2022-10-23 stsp 	wbuf = imsg_create(ibuf, GOTD_IMSG_REF, PROC_REPO_READ,
181 13b2bc37 2022-10-23 stsp 	    repo_read.pid, len);
182 13b2bc37 2022-10-23 stsp 	if (wbuf == NULL) {
183 13b2bc37 2022-10-23 stsp 		err = got_error_from_errno("imsg_create MREF");
184 13b2bc37 2022-10-23 stsp 		goto done;
185 13b2bc37 2022-10-23 stsp 	}
186 13b2bc37 2022-10-23 stsp 
187 13b2bc37 2022-10-23 stsp 	/* Keep in sync with struct gotd_imsg_ref definition. */
188 13b2bc37 2022-10-23 stsp 	if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1) {
189 13b2bc37 2022-10-23 stsp 		err = got_error_from_errno("imsg_add REF");
190 13b2bc37 2022-10-23 stsp 		goto done;
191 13b2bc37 2022-10-23 stsp 	}
192 13b2bc37 2022-10-23 stsp 	if (imsg_add(wbuf, &namelen, sizeof(namelen)) == -1) {
193 13b2bc37 2022-10-23 stsp 		err = got_error_from_errno("imsg_add REF");
194 13b2bc37 2022-10-23 stsp 		goto done;
195 13b2bc37 2022-10-23 stsp 	}
196 13b2bc37 2022-10-23 stsp 	if (imsg_add(wbuf, peeled_refname, namelen) == -1) {
197 13b2bc37 2022-10-23 stsp 		err = got_error_from_errno("imsg_add REF");
198 13b2bc37 2022-10-23 stsp 		goto done;
199 13b2bc37 2022-10-23 stsp 	}
200 13b2bc37 2022-10-23 stsp 
201 13b2bc37 2022-10-23 stsp 	wbuf->fd = -1;
202 13b2bc37 2022-10-23 stsp 	imsg_close(ibuf, wbuf);
203 13b2bc37 2022-10-23 stsp done:
204 13b2bc37 2022-10-23 stsp 	got_object_tag_close(tag);
205 13b2bc37 2022-10-23 stsp 	return err;
206 13b2bc37 2022-10-23 stsp }
207 13b2bc37 2022-10-23 stsp 
208 13b2bc37 2022-10-23 stsp static const struct got_error *
209 13b2bc37 2022-10-23 stsp send_ref(struct got_reference *ref, struct imsgbuf *ibuf)
210 13b2bc37 2022-10-23 stsp {
211 13b2bc37 2022-10-23 stsp 	const struct got_error *err;
212 13b2bc37 2022-10-23 stsp 	const char *refname = got_ref_get_name(ref);
213 13b2bc37 2022-10-23 stsp 	size_t namelen;
214 13b2bc37 2022-10-23 stsp 	struct got_object_id *id = NULL;
215 13b2bc37 2022-10-23 stsp 	struct got_object *obj = NULL;
216 13b2bc37 2022-10-23 stsp 	size_t len;
217 13b2bc37 2022-10-23 stsp 	struct ibuf *wbuf;
218 13b2bc37 2022-10-23 stsp 
219 13b2bc37 2022-10-23 stsp 	namelen = strlen(refname);
220 13b2bc37 2022-10-23 stsp 
221 13b2bc37 2022-10-23 stsp 	len = sizeof(struct gotd_imsg_ref) + namelen;
222 13b2bc37 2022-10-23 stsp 	if (len > MAX_IMSGSIZE - IMSG_HEADER_SIZE)
223 13b2bc37 2022-10-23 stsp 		return got_error(GOT_ERR_NO_SPACE);
224 13b2bc37 2022-10-23 stsp 
225 13b2bc37 2022-10-23 stsp 	err = got_ref_resolve(&id, repo_read.repo, ref);
226 13b2bc37 2022-10-23 stsp 	if (err)
227 13b2bc37 2022-10-23 stsp 		return err;
228 13b2bc37 2022-10-23 stsp 
229 13b2bc37 2022-10-23 stsp 	wbuf = imsg_create(ibuf, GOTD_IMSG_REF, PROC_REPO_READ,
230 13b2bc37 2022-10-23 stsp 	    repo_read.pid, len);
231 13b2bc37 2022-10-23 stsp 	if (wbuf == NULL) {
232 13b2bc37 2022-10-23 stsp 		err = got_error_from_errno("imsg_create REF");
233 13b2bc37 2022-10-23 stsp 		goto done;
234 13b2bc37 2022-10-23 stsp 	}
235 13b2bc37 2022-10-23 stsp 
236 13b2bc37 2022-10-23 stsp 	/* Keep in sync with struct gotd_imsg_ref definition. */
237 13b2bc37 2022-10-23 stsp 	if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -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, &namelen, sizeof(namelen)) == -1)
240 13b2bc37 2022-10-23 stsp 		return got_error_from_errno("imsg_add REF");
241 13b2bc37 2022-10-23 stsp 	if (imsg_add(wbuf, refname, namelen) == -1)
242 13b2bc37 2022-10-23 stsp 		return got_error_from_errno("imsg_add REF");
243 13b2bc37 2022-10-23 stsp 
244 13b2bc37 2022-10-23 stsp 	wbuf->fd = -1;
245 13b2bc37 2022-10-23 stsp 	imsg_close(ibuf, wbuf);
246 13b2bc37 2022-10-23 stsp 
247 13b2bc37 2022-10-23 stsp 	err = got_object_open(&obj, repo_read.repo, id);
248 13b2bc37 2022-10-23 stsp 	if (err)
249 13b2bc37 2022-10-23 stsp 		goto done;
250 13b2bc37 2022-10-23 stsp 	if (obj->type == GOT_OBJ_TYPE_TAG)
251 13b2bc37 2022-10-23 stsp 		err = send_peeled_tag_ref(ref, obj, ibuf);
252 13b2bc37 2022-10-23 stsp done:
253 13b2bc37 2022-10-23 stsp 	if (obj)
254 13b2bc37 2022-10-23 stsp 		got_object_close(obj);
255 13b2bc37 2022-10-23 stsp 	free(id);
256 13b2bc37 2022-10-23 stsp 	return err;
257 13b2bc37 2022-10-23 stsp }
258 13b2bc37 2022-10-23 stsp 
259 13b2bc37 2022-10-23 stsp static const struct got_error *
260 1a52c9bf 2022-12-30 stsp list_refs(struct imsg *imsg)
261 13b2bc37 2022-10-23 stsp {
262 13b2bc37 2022-10-23 stsp 	const struct got_error *err;
263 1a52c9bf 2022-12-30 stsp 	struct repo_read_client *client = &repo_read_client;
264 13b2bc37 2022-10-23 stsp 	struct got_reflist_head refs;
265 13b2bc37 2022-10-23 stsp 	struct got_reflist_entry *re;
266 13b2bc37 2022-10-23 stsp 	struct gotd_imsg_list_refs_internal ireq;
267 13b2bc37 2022-10-23 stsp 	size_t datalen;
268 13b2bc37 2022-10-23 stsp 	struct gotd_imsg_reflist irefs;
269 13b2bc37 2022-10-23 stsp 	struct imsgbuf ibuf;
270 2c52c623 2024-01-30 op 	int client_fd;
271 ca7cfae0 2022-11-07 stsp 	struct got_object_id *head_target_id = NULL;
272 13b2bc37 2022-10-23 stsp 
273 13b2bc37 2022-10-23 stsp 	TAILQ_INIT(&refs);
274 13b2bc37 2022-10-23 stsp 
275 2c52c623 2024-01-30 op 	client_fd = imsg_get_fd(imsg);
276 13b2bc37 2022-10-23 stsp 	if (client_fd == -1)
277 13b2bc37 2022-10-23 stsp 		return got_error(GOT_ERR_PRIVSEP_NO_FD);
278 13b2bc37 2022-10-23 stsp 
279 13b2bc37 2022-10-23 stsp 	datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
280 13b2bc37 2022-10-23 stsp 	if (datalen != sizeof(ireq))
281 13b2bc37 2022-10-23 stsp 		return got_error(GOT_ERR_PRIVSEP_LEN);
282 13b2bc37 2022-10-23 stsp 	memcpy(&ireq, imsg->data, sizeof(ireq));
283 13b2bc37 2022-10-23 stsp 
284 1a52c9bf 2022-12-30 stsp 	if (ireq.client_id == 0)
285 1a52c9bf 2022-12-30 stsp 		return got_error(GOT_ERR_CLIENT_ID);
286 1a52c9bf 2022-12-30 stsp 	if (client->id != 0) {
287 1a52c9bf 2022-12-30 stsp 		return got_error_msg(GOT_ERR_CLIENT_ID,
288 1a52c9bf 2022-12-30 stsp 		    "duplicate list-refs request");
289 1a52c9bf 2022-12-30 stsp 	}
290 1a52c9bf 2022-12-30 stsp 	client->id = ireq.client_id;
291 1a52c9bf 2022-12-30 stsp 	client->fd = client_fd;
292 13b2bc37 2022-10-23 stsp 
293 13b2bc37 2022-10-23 stsp 	imsg_init(&ibuf, client_fd);
294 13b2bc37 2022-10-23 stsp 
295 13b2bc37 2022-10-23 stsp 	err = got_ref_list(&refs, repo_read.repo, "",
296 13b2bc37 2022-10-23 stsp 	    got_ref_cmp_by_name, NULL);
297 13b2bc37 2022-10-23 stsp 	if (err)
298 13b2bc37 2022-10-23 stsp 		return err;
299 13b2bc37 2022-10-23 stsp 
300 13b2bc37 2022-10-23 stsp 	memset(&irefs, 0, sizeof(irefs));
301 13b2bc37 2022-10-23 stsp 	TAILQ_FOREACH(re, &refs, entry) {
302 13b2bc37 2022-10-23 stsp 		struct got_object_id *id;
303 13b2bc37 2022-10-23 stsp 		int obj_type;
304 13b2bc37 2022-10-23 stsp 
305 13b2bc37 2022-10-23 stsp 		if (got_ref_is_symbolic(re->ref)) {
306 13b2bc37 2022-10-23 stsp 			const char *refname = got_ref_get_name(re->ref);
307 ca7cfae0 2022-11-07 stsp 			if (strcmp(refname, GOT_REF_HEAD) != 0)
308 ca7cfae0 2022-11-07 stsp 				continue;
309 ca7cfae0 2022-11-07 stsp 			err = got_ref_resolve(&head_target_id, repo_read.repo,
310 ca7cfae0 2022-11-07 stsp 			    re->ref);
311 ca7cfae0 2022-11-07 stsp 			if (err) {
312 ca7cfae0 2022-11-07 stsp 				if (err->code != GOT_ERR_NOT_REF)
313 ca7cfae0 2022-11-07 stsp 					return err;
314 ca7cfae0 2022-11-07 stsp 				/*
315 ca7cfae0 2022-11-07 stsp 				 * HEAD points to a non-existent branch.
316 ca7cfae0 2022-11-07 stsp 				 * Do not advertise it.
317 ca7cfae0 2022-11-07 stsp 				 * Matches git-daemon's behaviour.
318 ca7cfae0 2022-11-07 stsp 				 */
319 ca7cfae0 2022-11-07 stsp 				head_target_id = NULL;
320 ca7cfae0 2022-11-07 stsp 				err = NULL;
321 ca7cfae0 2022-11-07 stsp 			} else
322 13b2bc37 2022-10-23 stsp 				irefs.nrefs++;
323 13b2bc37 2022-10-23 stsp 			continue;
324 13b2bc37 2022-10-23 stsp 		}
325 13b2bc37 2022-10-23 stsp 
326 13b2bc37 2022-10-23 stsp 		irefs.nrefs++;
327 13b2bc37 2022-10-23 stsp 
328 13b2bc37 2022-10-23 stsp 		/* Account for a peeled tag refs. */
329 13b2bc37 2022-10-23 stsp 		err = got_ref_resolve(&id, repo_read.repo, re->ref);
330 13b2bc37 2022-10-23 stsp 		if (err)
331 13b2bc37 2022-10-23 stsp 			goto done;
332 e26970cc 2023-01-10 op 		err = got_object_get_type(&obj_type, repo_read.repo, id);
333 13b2bc37 2022-10-23 stsp 		free(id);
334 13b2bc37 2022-10-23 stsp 		if (err)
335 13b2bc37 2022-10-23 stsp 			goto done;
336 13b2bc37 2022-10-23 stsp 		if (obj_type == GOT_OBJ_TYPE_TAG)
337 13b2bc37 2022-10-23 stsp 			irefs.nrefs++;
338 13b2bc37 2022-10-23 stsp 	}
339 13b2bc37 2022-10-23 stsp 
340 13b2bc37 2022-10-23 stsp 	if (imsg_compose(&ibuf, GOTD_IMSG_REFLIST, PROC_REPO_READ,
341 13b2bc37 2022-10-23 stsp 	    repo_read.pid, -1, &irefs, sizeof(irefs)) == -1) {
342 13b2bc37 2022-10-23 stsp 		err = got_error_from_errno("imsg_compose REFLIST");
343 13b2bc37 2022-10-23 stsp 		goto done;
344 13b2bc37 2022-10-23 stsp 	}
345 13b2bc37 2022-10-23 stsp 
346 13b2bc37 2022-10-23 stsp 	/*
347 13b2bc37 2022-10-23 stsp 	 * Send the HEAD symref first. In Git-protocol versions < 2
348 13b2bc37 2022-10-23 stsp 	 * the HEAD symref must be announced on the initial line of
349 13b2bc37 2022-10-23 stsp 	 * the server's ref advertisement.
350 13b2bc37 2022-10-23 stsp 	 * For now, we do not advertise symrefs other than HEAD.
351 13b2bc37 2022-10-23 stsp 	 */
352 13b2bc37 2022-10-23 stsp 	TAILQ_FOREACH(re, &refs, entry) {
353 13b2bc37 2022-10-23 stsp 		if (!got_ref_is_symbolic(re->ref) ||
354 ca7cfae0 2022-11-07 stsp 		    strcmp(got_ref_get_name(re->ref), GOT_REF_HEAD) != 0 ||
355 ca7cfae0 2022-11-07 stsp 		    head_target_id == NULL)
356 13b2bc37 2022-10-23 stsp 			continue;
357 ca7cfae0 2022-11-07 stsp 		err = send_symref(re->ref, head_target_id, &ibuf);
358 13b2bc37 2022-10-23 stsp 		if (err)
359 13b2bc37 2022-10-23 stsp 			goto done;
360 13b2bc37 2022-10-23 stsp 		break;
361 13b2bc37 2022-10-23 stsp 	}
362 13b2bc37 2022-10-23 stsp 	TAILQ_FOREACH(re, &refs, entry) {
363 13b2bc37 2022-10-23 stsp 		if (got_ref_is_symbolic(re->ref))
364 13b2bc37 2022-10-23 stsp 			continue;
365 13b2bc37 2022-10-23 stsp 		err = send_ref(re->ref, &ibuf);
366 13b2bc37 2022-10-23 stsp 		if (err)
367 13b2bc37 2022-10-23 stsp 			goto done;
368 13b2bc37 2022-10-23 stsp 	}
369 13b2bc37 2022-10-23 stsp 
370 13b2bc37 2022-10-23 stsp 	err = gotd_imsg_flush(&ibuf);
371 13b2bc37 2022-10-23 stsp done:
372 13b2bc37 2022-10-23 stsp 	got_ref_list_free(&refs);
373 13b2bc37 2022-10-23 stsp 	imsg_clear(&ibuf);
374 13b2bc37 2022-10-23 stsp 	return err;
375 13b2bc37 2022-10-23 stsp }
376 13b2bc37 2022-10-23 stsp 
377 13b2bc37 2022-10-23 stsp static const struct got_error *
378 4fb2bb7d 2023-02-27 stsp append_object_id(struct got_object_id *id, void *data, void *arg)
379 13b2bc37 2022-10-23 stsp {
380 4fb2bb7d 2023-02-27 stsp 	struct gotd_object_id_array *array = arg;
381 13b2bc37 2022-10-23 stsp 	const size_t alloc_chunksz = 256;
382 13b2bc37 2022-10-23 stsp 
383 13b2bc37 2022-10-23 stsp 	if (array->ids == NULL) {
384 13b2bc37 2022-10-23 stsp 		array->ids = reallocarray(NULL, alloc_chunksz,
385 13b2bc37 2022-10-23 stsp 		    sizeof(*array->ids));
386 13b2bc37 2022-10-23 stsp 		if (array->ids == NULL)
387 13b2bc37 2022-10-23 stsp 			return got_error_from_errno("reallocarray");
388 13b2bc37 2022-10-23 stsp 		array->nalloc = alloc_chunksz;
389 13b2bc37 2022-10-23 stsp 		array->nids = 0;
390 13b2bc37 2022-10-23 stsp 	} else if (array->nalloc <= array->nids) {
391 13b2bc37 2022-10-23 stsp 		struct got_object_id **new;
392 13b2bc37 2022-10-23 stsp 		new = recallocarray(array->ids, array->nalloc,
393 13b2bc37 2022-10-23 stsp 		    array->nalloc + alloc_chunksz, sizeof(*new));
394 13b2bc37 2022-10-23 stsp 		if (new == NULL)
395 13b2bc37 2022-10-23 stsp 			return got_error_from_errno("recallocarray");
396 13b2bc37 2022-10-23 stsp 		array->ids = new;
397 13b2bc37 2022-10-23 stsp 		array->nalloc += alloc_chunksz;
398 13b2bc37 2022-10-23 stsp 	}
399 13b2bc37 2022-10-23 stsp 
400 4fb2bb7d 2023-02-27 stsp 	array->ids[array->nids] = id;
401 13b2bc37 2022-10-23 stsp 	array->nids++;
402 13b2bc37 2022-10-23 stsp 	return NULL;
403 13b2bc37 2022-10-23 stsp }
404 13b2bc37 2022-10-23 stsp 
405 13b2bc37 2022-10-23 stsp static const struct got_error *
406 1a52c9bf 2022-12-30 stsp recv_want(struct imsg *imsg)
407 13b2bc37 2022-10-23 stsp {
408 13b2bc37 2022-10-23 stsp 	const struct got_error *err;
409 1a52c9bf 2022-12-30 stsp 	struct repo_read_client *client = &repo_read_client;
410 13b2bc37 2022-10-23 stsp 	struct gotd_imsg_want iwant;
411 13b2bc37 2022-10-23 stsp 	size_t datalen;
412 13b2bc37 2022-10-23 stsp 	char hex[SHA1_DIGEST_STRING_LENGTH];
413 13b2bc37 2022-10-23 stsp 	struct got_object_id id;
414 13b2bc37 2022-10-23 stsp 	int obj_type;
415 13b2bc37 2022-10-23 stsp 	struct imsgbuf ibuf;
416 13b2bc37 2022-10-23 stsp 
417 13b2bc37 2022-10-23 stsp 	datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
418 13b2bc37 2022-10-23 stsp 	if (datalen != sizeof(iwant))
419 13b2bc37 2022-10-23 stsp 		return got_error(GOT_ERR_PRIVSEP_LEN);
420 13b2bc37 2022-10-23 stsp 	memcpy(&iwant, imsg->data, sizeof(iwant));
421 13b2bc37 2022-10-23 stsp 
422 13b2bc37 2022-10-23 stsp 	memset(&id, 0, sizeof(id));
423 13b2bc37 2022-10-23 stsp 	memcpy(id.sha1, iwant.object_id, SHA1_DIGEST_LENGTH);
424 13b2bc37 2022-10-23 stsp 
425 13b2bc37 2022-10-23 stsp 	if (log_getverbose() > 0 &&
426 13b2bc37 2022-10-23 stsp 	    got_sha1_digest_to_str(id.sha1, hex, sizeof(hex)))
427 13b2bc37 2022-10-23 stsp 		log_debug("client wants %s", hex);
428 13b2bc37 2022-10-23 stsp 
429 1a52c9bf 2022-12-30 stsp 	imsg_init(&ibuf, client->fd);
430 13b2bc37 2022-10-23 stsp 
431 13b2bc37 2022-10-23 stsp 	err = got_object_get_type(&obj_type, repo_read.repo, &id);
432 13b2bc37 2022-10-23 stsp 	if (err)
433 13b2bc37 2022-10-23 stsp 		return err;
434 13b2bc37 2022-10-23 stsp 
435 13b2bc37 2022-10-23 stsp 	if (obj_type != GOT_OBJ_TYPE_COMMIT &&
436 13b2bc37 2022-10-23 stsp 	    obj_type != GOT_OBJ_TYPE_TAG)
437 13b2bc37 2022-10-23 stsp 		return got_error(GOT_ERR_OBJ_TYPE);
438 13b2bc37 2022-10-23 stsp 
439 4fb2bb7d 2023-02-27 stsp 	if (!got_object_idset_contains(client->want_ids, &id)) {
440 4fb2bb7d 2023-02-27 stsp 		err = got_object_idset_add(client->want_ids, &id, NULL);
441 4fb2bb7d 2023-02-27 stsp 		if (err)
442 4fb2bb7d 2023-02-27 stsp 			return err;
443 4fb2bb7d 2023-02-27 stsp 	}
444 13b2bc37 2022-10-23 stsp 
445 13b2bc37 2022-10-23 stsp 	gotd_imsg_send_ack(&id, &ibuf, PROC_REPO_READ, repo_read.pid);
446 13b2bc37 2022-10-23 stsp 	imsg_clear(&ibuf);
447 13b2bc37 2022-10-23 stsp 	return err;
448 13b2bc37 2022-10-23 stsp }
449 13b2bc37 2022-10-23 stsp 
450 13b2bc37 2022-10-23 stsp static const struct got_error *
451 1a52c9bf 2022-12-30 stsp recv_have(struct imsg *imsg)
452 13b2bc37 2022-10-23 stsp {
453 13b2bc37 2022-10-23 stsp 	const struct got_error *err;
454 1a52c9bf 2022-12-30 stsp 	struct repo_read_client *client = &repo_read_client;
455 13b2bc37 2022-10-23 stsp 	struct gotd_imsg_have ihave;
456 13b2bc37 2022-10-23 stsp 	size_t datalen;
457 13b2bc37 2022-10-23 stsp 	char hex[SHA1_DIGEST_STRING_LENGTH];
458 13b2bc37 2022-10-23 stsp 	struct got_object_id id;
459 13b2bc37 2022-10-23 stsp 	int obj_type;
460 13b2bc37 2022-10-23 stsp 	struct imsgbuf ibuf;
461 13b2bc37 2022-10-23 stsp 
462 13b2bc37 2022-10-23 stsp 	datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
463 13b2bc37 2022-10-23 stsp 	if (datalen != sizeof(ihave))
464 13b2bc37 2022-10-23 stsp 		return got_error(GOT_ERR_PRIVSEP_LEN);
465 13b2bc37 2022-10-23 stsp 	memcpy(&ihave, imsg->data, sizeof(ihave));
466 13b2bc37 2022-10-23 stsp 
467 13b2bc37 2022-10-23 stsp 	memset(&id, 0, sizeof(id));
468 13b2bc37 2022-10-23 stsp 	memcpy(id.sha1, ihave.object_id, SHA1_DIGEST_LENGTH);
469 13b2bc37 2022-10-23 stsp 
470 13b2bc37 2022-10-23 stsp 	if (log_getverbose() > 0 &&
471 13b2bc37 2022-10-23 stsp 	    got_sha1_digest_to_str(id.sha1, hex, sizeof(hex)))
472 13b2bc37 2022-10-23 stsp 		log_debug("client has %s", hex);
473 13b2bc37 2022-10-23 stsp 
474 1a52c9bf 2022-12-30 stsp 	imsg_init(&ibuf, client->fd);
475 13b2bc37 2022-10-23 stsp 
476 13b2bc37 2022-10-23 stsp 	err = got_object_get_type(&obj_type, repo_read.repo, &id);
477 13b2bc37 2022-10-23 stsp 	if (err) {
478 13b2bc37 2022-10-23 stsp 		if (err->code == GOT_ERR_NO_OBJ) {
479 13b2bc37 2022-10-23 stsp 			gotd_imsg_send_nak(&id, &ibuf,
480 13b2bc37 2022-10-23 stsp 			    PROC_REPO_READ, repo_read.pid);
481 13b2bc37 2022-10-23 stsp 			err = NULL;
482 13b2bc37 2022-10-23 stsp 		}
483 13b2bc37 2022-10-23 stsp 		goto done;
484 13b2bc37 2022-10-23 stsp 	}
485 13b2bc37 2022-10-23 stsp 
486 13b2bc37 2022-10-23 stsp 	if (obj_type != GOT_OBJ_TYPE_COMMIT &&
487 13b2bc37 2022-10-23 stsp 	    obj_type != GOT_OBJ_TYPE_TAG) {
488 13b2bc37 2022-10-23 stsp 		gotd_imsg_send_nak(&id, &ibuf, PROC_REPO_READ, repo_read.pid);
489 13b2bc37 2022-10-23 stsp 		err = got_error(GOT_ERR_OBJ_TYPE);
490 13b2bc37 2022-10-23 stsp 		goto done;
491 13b2bc37 2022-10-23 stsp 	}
492 13b2bc37 2022-10-23 stsp 
493 4fb2bb7d 2023-02-27 stsp 	if (!got_object_idset_contains(client->have_ids, &id)) {
494 4fb2bb7d 2023-02-27 stsp 		err = got_object_idset_add(client->have_ids, &id, NULL);
495 4fb2bb7d 2023-02-27 stsp 		if (err)
496 4fb2bb7d 2023-02-27 stsp 			goto done;
497 4fb2bb7d 2023-02-27 stsp 	}
498 13b2bc37 2022-10-23 stsp 
499 13b2bc37 2022-10-23 stsp 	gotd_imsg_send_ack(&id, &ibuf, PROC_REPO_READ, repo_read.pid);
500 13b2bc37 2022-10-23 stsp done:
501 13b2bc37 2022-10-23 stsp 	imsg_clear(&ibuf);
502 13b2bc37 2022-10-23 stsp 	return err;
503 13b2bc37 2022-10-23 stsp }
504 13b2bc37 2022-10-23 stsp 
505 13b2bc37 2022-10-23 stsp struct repo_read_pack_progress_arg {
506 13b2bc37 2022-10-23 stsp 	int report_progress;
507 13b2bc37 2022-10-23 stsp 	struct imsgbuf *ibuf;
508 13b2bc37 2022-10-23 stsp 	int sent_ready;
509 13b2bc37 2022-10-23 stsp };
510 13b2bc37 2022-10-23 stsp 
511 13b2bc37 2022-10-23 stsp static const struct got_error *
512 13b2bc37 2022-10-23 stsp pack_progress(void *arg, int ncolored, int nfound, int ntrees,
513 13b2bc37 2022-10-23 stsp     off_t packfile_size, int ncommits, int nobj_total, int nobj_deltify,
514 13b2bc37 2022-10-23 stsp     int nobj_written)
515 13b2bc37 2022-10-23 stsp {
516 13b2bc37 2022-10-23 stsp 	struct repo_read_pack_progress_arg *a = arg;
517 13b2bc37 2022-10-23 stsp 	struct gotd_imsg_packfile_progress iprog;
518 13b2bc37 2022-10-23 stsp 	int ret;
519 13b2bc37 2022-10-23 stsp 
520 13b2bc37 2022-10-23 stsp 	if (!a->report_progress)
521 13b2bc37 2022-10-23 stsp 		return NULL;
522 13b2bc37 2022-10-23 stsp 	if (packfile_size > 0 && a->sent_ready)
523 13b2bc37 2022-10-23 stsp 		return NULL;
524 13b2bc37 2022-10-23 stsp 
525 13b2bc37 2022-10-23 stsp 	memset(&iprog, 0, sizeof(iprog));
526 13b2bc37 2022-10-23 stsp 	iprog.ncolored = ncolored;
527 13b2bc37 2022-10-23 stsp 	iprog.nfound = nfound;
528 13b2bc37 2022-10-23 stsp 	iprog.ntrees = ntrees;
529 13b2bc37 2022-10-23 stsp 	iprog.packfile_size = packfile_size;
530 13b2bc37 2022-10-23 stsp 	iprog.ncommits = ncommits;
531 13b2bc37 2022-10-23 stsp 	iprog.nobj_total = nobj_total;
532 13b2bc37 2022-10-23 stsp 	iprog.nobj_deltify = nobj_deltify;
533 13b2bc37 2022-10-23 stsp 	iprog.nobj_written = nobj_written;
534 13b2bc37 2022-10-23 stsp 
535 13b2bc37 2022-10-23 stsp 	/* Using synchronous writes since we are blocking the event loop. */
536 13b2bc37 2022-10-23 stsp 	if (packfile_size == 0) {
537 13b2bc37 2022-10-23 stsp 		ret = imsg_compose(a->ibuf, GOTD_IMSG_PACKFILE_PROGRESS,
538 13b2bc37 2022-10-23 stsp 		    PROC_REPO_READ, repo_read.pid, -1, &iprog, sizeof(iprog));
539 13b2bc37 2022-10-23 stsp 		if (ret == -1) {
540 13b2bc37 2022-10-23 stsp 			return got_error_from_errno("imsg compose "
541 13b2bc37 2022-10-23 stsp 			    "PACKFILE_PROGRESS");
542 e26970cc 2023-01-10 op 		}
543 13b2bc37 2022-10-23 stsp 	} else {
544 13b2bc37 2022-10-23 stsp 		a->sent_ready = 1;
545 13b2bc37 2022-10-23 stsp 		ret = imsg_compose(a->ibuf, GOTD_IMSG_PACKFILE_READY,
546 13b2bc37 2022-10-23 stsp 		    PROC_REPO_READ, repo_read.pid, -1, &iprog, sizeof(iprog));
547 13b2bc37 2022-10-23 stsp 		if (ret == -1) {
548 13b2bc37 2022-10-23 stsp 			return got_error_from_errno("imsg compose "
549 13b2bc37 2022-10-23 stsp 			    "PACKFILE_READY");
550 13b2bc37 2022-10-23 stsp 		}
551 13b2bc37 2022-10-23 stsp 	}
552 13b2bc37 2022-10-23 stsp 
553 13b2bc37 2022-10-23 stsp 	return gotd_imsg_flush(a->ibuf);
554 13b2bc37 2022-10-23 stsp }
555 13b2bc37 2022-10-23 stsp 
556 13b2bc37 2022-10-23 stsp static const struct got_error *
557 1a52c9bf 2022-12-30 stsp receive_delta_cache_fd(struct imsg *imsg,
558 13b2bc37 2022-10-23 stsp     struct gotd_imsgev *iev)
559 13b2bc37 2022-10-23 stsp {
560 1a52c9bf 2022-12-30 stsp 	struct repo_read_client *client = &repo_read_client;
561 13b2bc37 2022-10-23 stsp 	struct gotd_imsg_send_packfile ireq;
562 13b2bc37 2022-10-23 stsp 	size_t datalen;
563 13b2bc37 2022-10-23 stsp 
564 9cbac887 2023-04-20 stsp 	log_debug("receiving delta cache file");
565 13b2bc37 2022-10-23 stsp 
566 13b2bc37 2022-10-23 stsp 	datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
567 13b2bc37 2022-10-23 stsp 	if (datalen != sizeof(ireq))
568 13b2bc37 2022-10-23 stsp 		return got_error(GOT_ERR_PRIVSEP_LEN);
569 13b2bc37 2022-10-23 stsp 	memcpy(&ireq, imsg->data, sizeof(ireq));
570 13b2bc37 2022-10-23 stsp 
571 1a52c9bf 2022-12-30 stsp 	if (client->delta_cache_fd != -1)
572 13b2bc37 2022-10-23 stsp 		return got_error(GOT_ERR_PRIVSEP_MSG);
573 13b2bc37 2022-10-23 stsp 
574 2c52c623 2024-01-30 op 	client->delta_cache_fd = imsg_get_fd(imsg);
575 2c52c623 2024-01-30 op 	if (client->delta_cache_fd == -1)
576 2c52c623 2024-01-30 op 		return got_error(GOT_ERR_PRIVSEP_NO_FD);
577 2c52c623 2024-01-30 op 
578 1a52c9bf 2022-12-30 stsp 	client->report_progress = ireq.report_progress;
579 13b2bc37 2022-10-23 stsp 	return NULL;
580 13b2bc37 2022-10-23 stsp }
581 13b2bc37 2022-10-23 stsp 
582 13b2bc37 2022-10-23 stsp static const struct got_error *
583 1a52c9bf 2022-12-30 stsp receive_pack_pipe(struct imsg *imsg, struct gotd_imsgev *iev)
584 13b2bc37 2022-10-23 stsp {
585 1a52c9bf 2022-12-30 stsp 	struct repo_read_client *client = &repo_read_client;
586 13b2bc37 2022-10-23 stsp 	struct gotd_imsg_packfile_pipe ireq;
587 13b2bc37 2022-10-23 stsp 	size_t datalen;
588 13b2bc37 2022-10-23 stsp 
589 9cbac887 2023-04-20 stsp 	log_debug("receiving pack pipe descriptor");
590 13b2bc37 2022-10-23 stsp 
591 13b2bc37 2022-10-23 stsp 	datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
592 13b2bc37 2022-10-23 stsp 	if (datalen != sizeof(ireq))
593 13b2bc37 2022-10-23 stsp 		return got_error(GOT_ERR_PRIVSEP_LEN);
594 13b2bc37 2022-10-23 stsp 	memcpy(&ireq, imsg->data, sizeof(ireq));
595 13b2bc37 2022-10-23 stsp 
596 1a52c9bf 2022-12-30 stsp 	if (client->pack_pipe != -1)
597 13b2bc37 2022-10-23 stsp 		return got_error(GOT_ERR_PRIVSEP_MSG);
598 13b2bc37 2022-10-23 stsp 
599 2c52c623 2024-01-30 op 	client->pack_pipe = imsg_get_fd(imsg);
600 2c52c623 2024-01-30 op 	if (client->pack_pipe == -1)
601 2c52c623 2024-01-30 op 		return got_error(GOT_ERR_PRIVSEP_NO_FD);
602 2c52c623 2024-01-30 op 
603 13b2bc37 2022-10-23 stsp 	return NULL;
604 13b2bc37 2022-10-23 stsp }
605 13b2bc37 2022-10-23 stsp 
606 13b2bc37 2022-10-23 stsp static const struct got_error *
607 1a52c9bf 2022-12-30 stsp send_packfile(struct imsg *imsg, struct gotd_imsgev *iev)
608 13b2bc37 2022-10-23 stsp {
609 13b2bc37 2022-10-23 stsp 	const struct got_error *err = NULL;
610 1a52c9bf 2022-12-30 stsp 	struct repo_read_client *client = &repo_read_client;
611 13b2bc37 2022-10-23 stsp 	struct gotd_imsg_packfile_done idone;
612 13b2bc37 2022-10-23 stsp 	uint8_t packsha1[SHA1_DIGEST_LENGTH];
613 13b2bc37 2022-10-23 stsp 	char hex[SHA1_DIGEST_STRING_LENGTH];
614 13b2bc37 2022-10-23 stsp 	FILE *delta_cache = NULL;
615 13b2bc37 2022-10-23 stsp 	struct imsgbuf ibuf;
616 13b2bc37 2022-10-23 stsp 	struct repo_read_pack_progress_arg pa;
617 13b2bc37 2022-10-23 stsp 	struct got_ratelimit rl;
618 4fb2bb7d 2023-02-27 stsp 	struct gotd_object_id_array want_ids;
619 4fb2bb7d 2023-02-27 stsp 	struct gotd_object_id_array have_ids;
620 13b2bc37 2022-10-23 stsp 
621 13b2bc37 2022-10-23 stsp 	log_debug("packfile request received");
622 13b2bc37 2022-10-23 stsp 
623 4fb2bb7d 2023-02-27 stsp 	memset(&want_ids, 0, sizeof(want_ids));
624 4fb2bb7d 2023-02-27 stsp 	memset(&have_ids, 0, sizeof(have_ids));
625 4fb2bb7d 2023-02-27 stsp 
626 13b2bc37 2022-10-23 stsp 	got_ratelimit_init(&rl, 2, 0);
627 13b2bc37 2022-10-23 stsp 
628 86769de8 2022-10-28 stsp 	if (client->delta_cache_fd == -1 || client->pack_pipe == -1)
629 13b2bc37 2022-10-23 stsp 		return got_error(GOT_ERR_PRIVSEP_NO_FD);
630 13b2bc37 2022-10-23 stsp 
631 13b2bc37 2022-10-23 stsp 	imsg_init(&ibuf, client->fd);
632 13b2bc37 2022-10-23 stsp 
633 13b2bc37 2022-10-23 stsp 	delta_cache = fdopen(client->delta_cache_fd, "w+");
634 13b2bc37 2022-10-23 stsp 	if (delta_cache == NULL) {
635 13b2bc37 2022-10-23 stsp 		err = got_error_from_errno("fdopen");
636 13b2bc37 2022-10-23 stsp 		goto done;
637 13b2bc37 2022-10-23 stsp 	}
638 13b2bc37 2022-10-23 stsp 	client->delta_cache_fd = -1;
639 13b2bc37 2022-10-23 stsp 
640 13b2bc37 2022-10-23 stsp 	memset(&pa, 0, sizeof(pa));
641 13b2bc37 2022-10-23 stsp 	pa.ibuf = &ibuf;
642 13b2bc37 2022-10-23 stsp 	pa.report_progress = client->report_progress;
643 13b2bc37 2022-10-23 stsp 
644 4fb2bb7d 2023-02-27 stsp 	err = got_object_idset_for_each(client->want_ids,
645 4fb2bb7d 2023-02-27 stsp 	    append_object_id, &want_ids);
646 4fb2bb7d 2023-02-27 stsp 	if (err)
647 4fb2bb7d 2023-02-27 stsp 		goto done;
648 4fb2bb7d 2023-02-27 stsp 	err = got_object_idset_for_each(client->have_ids,
649 4fb2bb7d 2023-02-27 stsp 	   append_object_id, &have_ids);
650 4fb2bb7d 2023-02-27 stsp 	if (err)
651 4fb2bb7d 2023-02-27 stsp 		goto done;
652 4fb2bb7d 2023-02-27 stsp 
653 86769de8 2022-10-28 stsp 	err = got_pack_create(packsha1, client->pack_pipe, delta_cache,
654 4fb2bb7d 2023-02-27 stsp 	    have_ids.ids, have_ids.nids, want_ids.ids, want_ids.nids,
655 98350b20 2023-02-17 op 	    repo_read.repo, 0, 1, 0, pack_progress, &pa, &rl,
656 13b2bc37 2022-10-23 stsp 	    check_cancelled, NULL);
657 13b2bc37 2022-10-23 stsp 	if (err)
658 13b2bc37 2022-10-23 stsp 		goto done;
659 e26970cc 2023-01-10 op 
660 13b2bc37 2022-10-23 stsp 	if (log_getverbose() > 0 &&
661 13b2bc37 2022-10-23 stsp 	    got_sha1_digest_to_str(packsha1, hex, sizeof(hex)))
662 13b2bc37 2022-10-23 stsp 		log_debug("sent pack-%s.pack", hex);
663 13b2bc37 2022-10-23 stsp 
664 13b2bc37 2022-10-23 stsp 	memset(&idone, 0, sizeof(idone));
665 13b2bc37 2022-10-23 stsp 	idone.client_id = client->id;
666 13b2bc37 2022-10-23 stsp 	if (gotd_imsg_compose_event(iev, GOTD_IMSG_PACKFILE_DONE,
667 13b2bc37 2022-10-23 stsp 	    PROC_REPO_READ, -1, &idone, sizeof(idone)) == -1)
668 13b2bc37 2022-10-23 stsp 		err = got_error_from_errno("imsg compose PACKFILE_DONE");
669 13b2bc37 2022-10-23 stsp done:
670 13b2bc37 2022-10-23 stsp 	if (delta_cache != NULL && fclose(delta_cache) == EOF && err == NULL)
671 13b2bc37 2022-10-23 stsp 		err = got_error_from_errno("fclose");
672 13b2bc37 2022-10-23 stsp 	imsg_clear(&ibuf);
673 4fb2bb7d 2023-02-27 stsp 	free(want_ids.ids);
674 4fb2bb7d 2023-02-27 stsp 	free(have_ids.ids);
675 13b2bc37 2022-10-23 stsp 	return err;
676 13b2bc37 2022-10-23 stsp }
677 13b2bc37 2022-10-23 stsp 
678 13b2bc37 2022-10-23 stsp static void
679 ae7c1b78 2023-01-10 stsp repo_read_dispatch_session(int fd, short event, void *arg)
680 13b2bc37 2022-10-23 stsp {
681 13b2bc37 2022-10-23 stsp 	const struct got_error *err = NULL;
682 13b2bc37 2022-10-23 stsp 	struct gotd_imsgev *iev = arg;
683 13b2bc37 2022-10-23 stsp 	struct imsgbuf *ibuf = &iev->ibuf;
684 13b2bc37 2022-10-23 stsp 	struct imsg imsg;
685 13b2bc37 2022-10-23 stsp 	ssize_t n;
686 13b2bc37 2022-10-23 stsp 	int shut = 0;
687 1a52c9bf 2022-12-30 stsp 	struct repo_read_client *client = &repo_read_client;
688 13b2bc37 2022-10-23 stsp 
689 13b2bc37 2022-10-23 stsp 	if (event & EV_READ) {
690 13b2bc37 2022-10-23 stsp 		if ((n = imsg_read(ibuf)) == -1 && errno != EAGAIN)
691 13b2bc37 2022-10-23 stsp 			fatal("imsg_read error");
692 13b2bc37 2022-10-23 stsp 		if (n == 0)	/* Connection closed. */
693 13b2bc37 2022-10-23 stsp 			shut = 1;
694 13b2bc37 2022-10-23 stsp 	}
695 13b2bc37 2022-10-23 stsp 
696 13b2bc37 2022-10-23 stsp 	if (event & EV_WRITE) {
697 13b2bc37 2022-10-23 stsp 		n = msgbuf_write(&ibuf->w);
698 13b2bc37 2022-10-23 stsp 		if (n == -1 && errno != EAGAIN)
699 13b2bc37 2022-10-23 stsp 			fatal("msgbuf_write");
700 13b2bc37 2022-10-23 stsp 		if (n == 0)	/* Connection closed. */
701 13b2bc37 2022-10-23 stsp 			shut = 1;
702 13b2bc37 2022-10-23 stsp 	}
703 13b2bc37 2022-10-23 stsp 
704 13b2bc37 2022-10-23 stsp 	while (err == NULL && check_cancelled(NULL) == NULL) {
705 13b2bc37 2022-10-23 stsp 		if ((n = imsg_get(ibuf, &imsg)) == -1)
706 13b2bc37 2022-10-23 stsp 			fatal("%s: imsg_get", __func__);
707 13b2bc37 2022-10-23 stsp 		if (n == 0)	/* No more messages. */
708 13b2bc37 2022-10-23 stsp 			break;
709 13b2bc37 2022-10-23 stsp 
710 1a52c9bf 2022-12-30 stsp 		if (imsg.hdr.type != GOTD_IMSG_LIST_REFS_INTERNAL &&
711 1a52c9bf 2022-12-30 stsp 		    client->id == 0) {
712 1a52c9bf 2022-12-30 stsp 			err = got_error(GOT_ERR_PRIVSEP_MSG);
713 1a52c9bf 2022-12-30 stsp 			break;
714 1a52c9bf 2022-12-30 stsp 		}
715 1a52c9bf 2022-12-30 stsp 
716 13b2bc37 2022-10-23 stsp 		switch (imsg.hdr.type) {
717 13b2bc37 2022-10-23 stsp 		case GOTD_IMSG_LIST_REFS_INTERNAL:
718 1a52c9bf 2022-12-30 stsp 			err = list_refs(&imsg);
719 13b2bc37 2022-10-23 stsp 			if (err)
720 88f6dccd 2023-03-04 op 				log_warnx("ls-refs: %s", err->msg);
721 13b2bc37 2022-10-23 stsp 			break;
722 13b2bc37 2022-10-23 stsp 		case GOTD_IMSG_WANT:
723 1a52c9bf 2022-12-30 stsp 			err = recv_want(&imsg);
724 13b2bc37 2022-10-23 stsp 			if (err)
725 88f6dccd 2023-03-04 op 				log_warnx("want-line: %s", err->msg);
726 13b2bc37 2022-10-23 stsp 			break;
727 13b2bc37 2022-10-23 stsp 		case GOTD_IMSG_HAVE:
728 1a52c9bf 2022-12-30 stsp 			err = recv_have(&imsg);
729 13b2bc37 2022-10-23 stsp 			if (err)
730 88f6dccd 2023-03-04 op 				log_warnx("have-line: %s", err->msg);
731 13b2bc37 2022-10-23 stsp 			break;
732 13b2bc37 2022-10-23 stsp 		case GOTD_IMSG_SEND_PACKFILE:
733 1a52c9bf 2022-12-30 stsp 			err = receive_delta_cache_fd(&imsg, iev);
734 13b2bc37 2022-10-23 stsp 			if (err)
735 88f6dccd 2023-03-04 op 				log_warnx("receiving delta cache: %s",
736 88f6dccd 2023-03-04 op 				    err->msg);
737 13b2bc37 2022-10-23 stsp 			break;
738 13b2bc37 2022-10-23 stsp 		case GOTD_IMSG_PACKFILE_PIPE:
739 1a52c9bf 2022-12-30 stsp 			err = receive_pack_pipe(&imsg, iev);
740 13b2bc37 2022-10-23 stsp 			if (err) {
741 88f6dccd 2023-03-04 op 				log_warnx("receiving pack pipe: %s", err->msg);
742 13b2bc37 2022-10-23 stsp 				break;
743 13b2bc37 2022-10-23 stsp 			}
744 1a52c9bf 2022-12-30 stsp 			err = send_packfile(&imsg, iev);
745 13b2bc37 2022-10-23 stsp 			if (err)
746 88f6dccd 2023-03-04 op 				log_warnx("sending packfile: %s", err->msg);
747 13b2bc37 2022-10-23 stsp 			break;
748 ae7c1b78 2023-01-10 stsp 		default:
749 88f6dccd 2023-03-04 op 			log_debug("unexpected imsg %d", imsg.hdr.type);
750 ae7c1b78 2023-01-10 stsp 			break;
751 ae7c1b78 2023-01-10 stsp 		}
752 ae7c1b78 2023-01-10 stsp 
753 ae7c1b78 2023-01-10 stsp 		imsg_free(&imsg);
754 ae7c1b78 2023-01-10 stsp 	}
755 ae7c1b78 2023-01-10 stsp 
756 ae7c1b78 2023-01-10 stsp 	if (!shut && check_cancelled(NULL) == NULL) {
757 ae7c1b78 2023-01-10 stsp 		if (err &&
758 ae7c1b78 2023-01-10 stsp 		    gotd_imsg_send_error_event(iev, PROC_REPO_READ,
759 ae7c1b78 2023-01-10 stsp 		        client->id, err) == -1) {
760 ae7c1b78 2023-01-10 stsp 			log_warnx("could not send error to parent: %s",
761 ae7c1b78 2023-01-10 stsp 			    err->msg);
762 ae7c1b78 2023-01-10 stsp 		}
763 ae7c1b78 2023-01-10 stsp 		gotd_imsg_event_add(iev);
764 ae7c1b78 2023-01-10 stsp 	} else {
765 ae7c1b78 2023-01-10 stsp 		/* This pipe is dead. Remove its event handler */
766 ae7c1b78 2023-01-10 stsp 		event_del(&iev->ev);
767 ae7c1b78 2023-01-10 stsp 		event_loopexit(NULL);
768 ae7c1b78 2023-01-10 stsp 	}
769 ae7c1b78 2023-01-10 stsp }
770 ae7c1b78 2023-01-10 stsp 
771 ae7c1b78 2023-01-10 stsp static const struct got_error *
772 ae7c1b78 2023-01-10 stsp recv_connect(struct imsg *imsg)
773 ae7c1b78 2023-01-10 stsp {
774 ae7c1b78 2023-01-10 stsp 	struct gotd_imsgev *iev = &repo_read.session_iev;
775 ae7c1b78 2023-01-10 stsp 	size_t datalen;
776 ae7c1b78 2023-01-10 stsp 
777 ae7c1b78 2023-01-10 stsp 	datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
778 ae7c1b78 2023-01-10 stsp 	if (datalen != 0)
779 ae7c1b78 2023-01-10 stsp 		return got_error(GOT_ERR_PRIVSEP_LEN);
780 ae7c1b78 2023-01-10 stsp 
781 ae7c1b78 2023-01-10 stsp 	if (repo_read.session_fd != -1)
782 ae7c1b78 2023-01-10 stsp 		return got_error(GOT_ERR_PRIVSEP_MSG);
783 ae7c1b78 2023-01-10 stsp 
784 2c52c623 2024-01-30 op 	repo_read.session_fd = imsg_get_fd(imsg);
785 2c52c623 2024-01-30 op 	if (repo_read.session_fd == -1)
786 2c52c623 2024-01-30 op 		return got_error(GOT_ERR_PRIVSEP_NO_FD);
787 ae7c1b78 2023-01-10 stsp 
788 ae7c1b78 2023-01-10 stsp 	imsg_init(&iev->ibuf, repo_read.session_fd);
789 ae7c1b78 2023-01-10 stsp 	iev->handler = repo_read_dispatch_session;
790 ae7c1b78 2023-01-10 stsp 	iev->events = EV_READ;
791 ae7c1b78 2023-01-10 stsp 	iev->handler_arg = NULL;
792 ae7c1b78 2023-01-10 stsp 	event_set(&iev->ev, iev->ibuf.fd, EV_READ,
793 ae7c1b78 2023-01-10 stsp 	    repo_read_dispatch_session, iev);
794 ae7c1b78 2023-01-10 stsp 	gotd_imsg_event_add(iev);
795 ae7c1b78 2023-01-10 stsp 
796 ae7c1b78 2023-01-10 stsp 	return NULL;
797 ae7c1b78 2023-01-10 stsp }
798 ae7c1b78 2023-01-10 stsp 
799 ae7c1b78 2023-01-10 stsp static void
800 ae7c1b78 2023-01-10 stsp repo_read_dispatch(int fd, short event, void *arg)
801 ae7c1b78 2023-01-10 stsp {
802 ae7c1b78 2023-01-10 stsp 	const struct got_error *err = NULL;
803 ae7c1b78 2023-01-10 stsp 	struct gotd_imsgev *iev = arg;
804 ae7c1b78 2023-01-10 stsp 	struct imsgbuf *ibuf = &iev->ibuf;
805 ae7c1b78 2023-01-10 stsp 	struct imsg imsg;
806 ae7c1b78 2023-01-10 stsp 	ssize_t n;
807 ae7c1b78 2023-01-10 stsp 	int shut = 0;
808 ae7c1b78 2023-01-10 stsp 	struct repo_read_client *client = &repo_read_client;
809 ae7c1b78 2023-01-10 stsp 
810 ae7c1b78 2023-01-10 stsp 	if (event & EV_READ) {
811 ae7c1b78 2023-01-10 stsp 		if ((n = imsg_read(ibuf)) == -1 && errno != EAGAIN)
812 ae7c1b78 2023-01-10 stsp 			fatal("imsg_read error");
813 ae7c1b78 2023-01-10 stsp 		if (n == 0)	/* Connection closed. */
814 1a52c9bf 2022-12-30 stsp 			shut = 1;
815 ae7c1b78 2023-01-10 stsp 	}
816 ae7c1b78 2023-01-10 stsp 
817 ae7c1b78 2023-01-10 stsp 	if (event & EV_WRITE) {
818 ae7c1b78 2023-01-10 stsp 		n = msgbuf_write(&ibuf->w);
819 ae7c1b78 2023-01-10 stsp 		if (n == -1 && errno != EAGAIN)
820 ae7c1b78 2023-01-10 stsp 			fatal("msgbuf_write");
821 ae7c1b78 2023-01-10 stsp 		if (n == 0)	/* Connection closed. */
822 ae7c1b78 2023-01-10 stsp 			shut = 1;
823 ae7c1b78 2023-01-10 stsp 	}
824 ae7c1b78 2023-01-10 stsp 
825 ae7c1b78 2023-01-10 stsp 	while (err == NULL && check_cancelled(NULL) == NULL) {
826 ae7c1b78 2023-01-10 stsp 		if ((n = imsg_get(ibuf, &imsg)) == -1)
827 ae7c1b78 2023-01-10 stsp 			fatal("%s: imsg_get", __func__);
828 ae7c1b78 2023-01-10 stsp 		if (n == 0)	/* No more messages. */
829 13b2bc37 2022-10-23 stsp 			break;
830 ae7c1b78 2023-01-10 stsp 
831 ae7c1b78 2023-01-10 stsp 		switch (imsg.hdr.type) {
832 ae7c1b78 2023-01-10 stsp 		case GOTD_IMSG_CONNECT_REPO_CHILD:
833 ae7c1b78 2023-01-10 stsp 			err = recv_connect(&imsg);
834 ae7c1b78 2023-01-10 stsp 			break;
835 13b2bc37 2022-10-23 stsp 		default:
836 88f6dccd 2023-03-04 op 			log_debug("unexpected imsg %d", imsg.hdr.type);
837 13b2bc37 2022-10-23 stsp 			break;
838 13b2bc37 2022-10-23 stsp 		}
839 13b2bc37 2022-10-23 stsp 
840 13b2bc37 2022-10-23 stsp 		imsg_free(&imsg);
841 13b2bc37 2022-10-23 stsp 	}
842 13b2bc37 2022-10-23 stsp 
843 13b2bc37 2022-10-23 stsp 	if (!shut && check_cancelled(NULL) == NULL) {
844 13b2bc37 2022-10-23 stsp 		if (err &&
845 13b2bc37 2022-10-23 stsp 		    gotd_imsg_send_error_event(iev, PROC_REPO_READ,
846 1a52c9bf 2022-12-30 stsp 		        client->id, err) == -1) {
847 13b2bc37 2022-10-23 stsp 			log_warnx("could not send error to parent: %s",
848 13b2bc37 2022-10-23 stsp 			    err->msg);
849 13b2bc37 2022-10-23 stsp 		}
850 13b2bc37 2022-10-23 stsp 		gotd_imsg_event_add(iev);
851 13b2bc37 2022-10-23 stsp 	} else {
852 13b2bc37 2022-10-23 stsp 		/* This pipe is dead. Remove its event handler */
853 13b2bc37 2022-10-23 stsp 		event_del(&iev->ev);
854 13b2bc37 2022-10-23 stsp 		event_loopexit(NULL);
855 13b2bc37 2022-10-23 stsp 	}
856 13b2bc37 2022-10-23 stsp }
857 13b2bc37 2022-10-23 stsp 
858 13b2bc37 2022-10-23 stsp void
859 eec68231 2022-12-14 stsp repo_read_main(const char *title, const char *repo_path,
860 eec68231 2022-12-14 stsp     int *pack_fds, int *temp_fds)
861 13b2bc37 2022-10-23 stsp {
862 13b2bc37 2022-10-23 stsp 	const struct got_error *err = NULL;
863 363c6230 2023-02-09 stsp 	struct repo_read_client *client = &repo_read_client;
864 13b2bc37 2022-10-23 stsp 	struct gotd_imsgev iev;
865 13b2bc37 2022-10-23 stsp 
866 363c6230 2023-02-09 stsp 	client->fd = -1;
867 363c6230 2023-02-09 stsp 	client->delta_cache_fd = -1;
868 363c6230 2023-02-09 stsp 	client->pack_pipe = -1;
869 4fb2bb7d 2023-02-27 stsp 	client->have_ids = got_object_idset_alloc();
870 4fb2bb7d 2023-02-27 stsp 	if (client->have_ids == NULL) {
871 4fb2bb7d 2023-02-27 stsp 		err = got_error_from_errno("got_object_idset_alloc");
872 4fb2bb7d 2023-02-27 stsp 		goto done;
873 4fb2bb7d 2023-02-27 stsp 	}
874 4fb2bb7d 2023-02-27 stsp 	client->want_ids = got_object_idset_alloc();
875 4fb2bb7d 2023-02-27 stsp 	if (client->want_ids == NULL) {
876 4fb2bb7d 2023-02-27 stsp 		err = got_error_from_errno("got_object_idset_alloc");
877 4fb2bb7d 2023-02-27 stsp 		goto done;
878 4fb2bb7d 2023-02-27 stsp 	}
879 363c6230 2023-02-09 stsp 
880 13b2bc37 2022-10-23 stsp 	repo_read.title = title;
881 13b2bc37 2022-10-23 stsp 	repo_read.pid = getpid();
882 13b2bc37 2022-10-23 stsp 	repo_read.pack_fds = pack_fds;
883 13b2bc37 2022-10-23 stsp 	repo_read.temp_fds = temp_fds;
884 ae7c1b78 2023-01-10 stsp 	repo_read.session_fd = -1;
885 ae7c1b78 2023-01-10 stsp 	repo_read.session_iev.ibuf.fd = -1;
886 13b2bc37 2022-10-23 stsp 
887 eec68231 2022-12-14 stsp 	err = got_repo_open(&repo_read.repo, repo_path, NULL, pack_fds);
888 13b2bc37 2022-10-23 stsp 	if (err)
889 13b2bc37 2022-10-23 stsp 		goto done;
890 13b2bc37 2022-10-23 stsp 	if (!got_repo_is_bare(repo_read.repo)) {
891 13b2bc37 2022-10-23 stsp 		err = got_error_msg(GOT_ERR_NOT_GIT_REPO,
892 13b2bc37 2022-10-23 stsp 		    "bare git repository required");
893 13b2bc37 2022-10-23 stsp 		goto done;
894 13b2bc37 2022-10-23 stsp 	}
895 13b2bc37 2022-10-23 stsp 
896 13b2bc37 2022-10-23 stsp 	got_repo_temp_fds_set(repo_read.repo, temp_fds);
897 13b2bc37 2022-10-23 stsp 
898 13b2bc37 2022-10-23 stsp 	signal(SIGINT, catch_sigint);
899 13b2bc37 2022-10-23 stsp 	signal(SIGTERM, catch_sigterm);
900 13b2bc37 2022-10-23 stsp 	signal(SIGPIPE, SIG_IGN);
901 13b2bc37 2022-10-23 stsp 	signal(SIGHUP, SIG_IGN);
902 13b2bc37 2022-10-23 stsp 
903 8c6fc146 2022-11-17 stsp 	imsg_init(&iev.ibuf, GOTD_FILENO_MSG_PIPE);
904 13b2bc37 2022-10-23 stsp 	iev.handler = repo_read_dispatch;
905 13b2bc37 2022-10-23 stsp 	iev.events = EV_READ;
906 13b2bc37 2022-10-23 stsp 	iev.handler_arg = NULL;
907 13b2bc37 2022-10-23 stsp 	event_set(&iev.ev, iev.ibuf.fd, EV_READ, repo_read_dispatch, &iev);
908 b50a2b46 2022-12-29 stsp 
909 b50a2b46 2022-12-29 stsp 	if (gotd_imsg_compose_event(&iev, GOTD_IMSG_REPO_CHILD_READY,
910 b50a2b46 2022-12-29 stsp 	    PROC_REPO_READ, -1, NULL, 0) == -1) {
911 b50a2b46 2022-12-29 stsp 		err = got_error_from_errno("imsg compose REPO_CHILD_READY");
912 13b2bc37 2022-10-23 stsp 		goto done;
913 13b2bc37 2022-10-23 stsp 	}
914 13b2bc37 2022-10-23 stsp 
915 13b2bc37 2022-10-23 stsp 	event_dispatch();
916 13b2bc37 2022-10-23 stsp done:
917 13b2bc37 2022-10-23 stsp 	if (err)
918 13b2bc37 2022-10-23 stsp 		log_warnx("%s: %s", title, err->msg);
919 13b2bc37 2022-10-23 stsp 	repo_read_shutdown();
920 13b2bc37 2022-10-23 stsp }
921 13b2bc37 2022-10-23 stsp 
922 13b2bc37 2022-10-23 stsp void
923 13b2bc37 2022-10-23 stsp repo_read_shutdown(void)
924 13b2bc37 2022-10-23 stsp {
925 363c6230 2023-02-09 stsp 	struct repo_read_client *client = &repo_read_client;
926 363c6230 2023-02-09 stsp 
927 4f8a1204 2023-03-04 op 	log_debug("shutting down");
928 363c6230 2023-02-09 stsp 
929 4fb2bb7d 2023-02-27 stsp 	if (client->have_ids)
930 4fb2bb7d 2023-02-27 stsp 		got_object_idset_free(client->have_ids);
931 4fb2bb7d 2023-02-27 stsp 	if (client->want_ids)
932 4fb2bb7d 2023-02-27 stsp 		got_object_idset_free(client->want_ids);
933 363c6230 2023-02-09 stsp 	if (client->fd != -1)
934 363c6230 2023-02-09 stsp 		close(client->fd);
935 363c6230 2023-02-09 stsp 	if (client->delta_cache_fd != -1)
936 363c6230 2023-02-09 stsp 		close(client->delta_cache_fd);
937 363c6230 2023-02-09 stsp 	if (client->pack_pipe != -1)
938 363c6230 2023-02-09 stsp 		close(client->pack_pipe);
939 363c6230 2023-02-09 stsp 
940 13b2bc37 2022-10-23 stsp 	if (repo_read.repo)
941 13b2bc37 2022-10-23 stsp 		got_repo_close(repo_read.repo);
942 13b2bc37 2022-10-23 stsp 	got_repo_pack_fds_close(repo_read.pack_fds);
943 13b2bc37 2022-10-23 stsp 	got_repo_temp_fds_close(repo_read.temp_fds);
944 ae7c1b78 2023-01-10 stsp 	if (repo_read.session_fd != -1)
945 ae7c1b78 2023-01-10 stsp 		close(repo_read.session_fd);
946 13b2bc37 2022-10-23 stsp 	exit(0);
947 13b2bc37 2022-10-23 stsp }