1 3efd8e31 2022-10-23 thomas /*
  2 3efd8e31 2022-10-23 thomas  * Copyright (c) 2022 Stefan Sperling <stsp@openbsd.org>
  3 3efd8e31 2022-10-23 thomas  *
  4 3efd8e31 2022-10-23 thomas  * Permission to use, copy, modify, and distribute this software for any
  5 3efd8e31 2022-10-23 thomas  * purpose with or without fee is hereby granted, provided that the above
  6 3efd8e31 2022-10-23 thomas  * copyright notice and this permission notice appear in all copies.
  7 3efd8e31 2022-10-23 thomas  *
  8 3efd8e31 2022-10-23 thomas  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  9 3efd8e31 2022-10-23 thomas  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 10 3efd8e31 2022-10-23 thomas  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 11 3efd8e31 2022-10-23 thomas  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 12 3efd8e31 2022-10-23 thomas  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 13 3efd8e31 2022-10-23 thomas  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 14 3efd8e31 2022-10-23 thomas  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 15 3efd8e31 2022-10-23 thomas  */
 16 4efc8dcb 2023-08-29 thomas 
 17 4efc8dcb 2023-08-29 thomas #include "got_compat.h"
 18 3efd8e31 2022-10-23 thomas 
 19 3efd8e31 2022-10-23 thomas #include <sys/queue.h>
 20 3efd8e31 2022-10-23 thomas #include <sys/types.h>
 21 3efd8e31 2022-10-23 thomas 
 22 3efd8e31 2022-10-23 thomas #include <event.h>
 23 3efd8e31 2022-10-23 thomas #include <errno.h>
 24 3efd8e31 2022-10-23 thomas #include <imsg.h>
 25 3efd8e31 2022-10-23 thomas #include <signal.h>
 26 3efd8e31 2022-10-23 thomas #include <stdlib.h>
 27 3efd8e31 2022-10-23 thomas #include <limits.h>
 28 3efd8e31 2022-10-23 thomas #include <poll.h>
 29 3efd8e31 2022-10-23 thomas #include <siphash.h>
 30 3efd8e31 2022-10-23 thomas #include <stdio.h>
 31 3efd8e31 2022-10-23 thomas #include <string.h>
 32 3efd8e31 2022-10-23 thomas #include <unistd.h>
 33 3efd8e31 2022-10-23 thomas 
 34 3efd8e31 2022-10-23 thomas #include "got_error.h"
 35 3efd8e31 2022-10-23 thomas #include "got_cancel.h"
 36 3efd8e31 2022-10-23 thomas #include "got_object.h"
 37 3efd8e31 2022-10-23 thomas #include "got_repository.h"
 38 3efd8e31 2022-10-23 thomas #include "got_reference.h"
 39 3efd8e31 2022-10-23 thomas #include "got_repository_admin.h"
 40 6d7eb4f7 2023-04-04 thomas #include "got_path.h"
 41 3efd8e31 2022-10-23 thomas 
 42 3efd8e31 2022-10-23 thomas #include "got_lib_delta.h"
 43 3efd8e31 2022-10-23 thomas #include "got_lib_object.h"
 44 3efd8e31 2022-10-23 thomas #include "got_lib_object_idset.h"
 45 be288a59 2023-02-23 thomas #include "got_lib_hash.h"
 46 3efd8e31 2022-10-23 thomas #include "got_lib_pack.h"
 47 3efd8e31 2022-10-23 thomas #include "got_lib_ratelimit.h"
 48 3efd8e31 2022-10-23 thomas #include "got_lib_pack_create.h"
 49 3efd8e31 2022-10-23 thomas #include "got_lib_poll.h"
 50 3efd8e31 2022-10-23 thomas 
 51 3efd8e31 2022-10-23 thomas #include "log.h"
 52 3efd8e31 2022-10-23 thomas #include "gotd.h"
 53 3efd8e31 2022-10-23 thomas #include "repo_read.h"
 54 3efd8e31 2022-10-23 thomas 
 55 3efd8e31 2022-10-23 thomas #ifndef nitems
 56 3efd8e31 2022-10-23 thomas #define nitems(_a)	(sizeof((_a)) / sizeof((_a)[0]))
 57 3efd8e31 2022-10-23 thomas #endif
 58 3efd8e31 2022-10-23 thomas 
 59 3efd8e31 2022-10-23 thomas static struct repo_read {
 60 3efd8e31 2022-10-23 thomas 	pid_t pid;
 61 3efd8e31 2022-10-23 thomas 	const char *title;
 62 3efd8e31 2022-10-23 thomas 	struct got_repository *repo;
 63 3efd8e31 2022-10-23 thomas 	int *pack_fds;
 64 3efd8e31 2022-10-23 thomas 	int *temp_fds;
 65 62ee7d94 2023-01-10 thomas 	int session_fd;
 66 62ee7d94 2023-01-10 thomas 	struct gotd_imsgev session_iev;
 67 3efd8e31 2022-10-23 thomas } repo_read;
 68 3efd8e31 2022-10-23 thomas 
 69 9148c8a7 2023-01-02 thomas static struct repo_read_client {
 70 3efd8e31 2022-10-23 thomas 	uint32_t			 id;
 71 3efd8e31 2022-10-23 thomas 	int				 fd;
 72 3efd8e31 2022-10-23 thomas 	int				 delta_cache_fd;
 73 3efd8e31 2022-10-23 thomas 	int				 report_progress;
 74 cc4cc677 2022-10-28 thomas 	int				 pack_pipe;
 75 19aad72f 2023-03-01 thomas 	struct got_object_idset		*want_ids;
 76 19aad72f 2023-03-01 thomas 	struct got_object_idset		*have_ids;
 77 9148c8a7 2023-01-02 thomas } repo_read_client;
 78 3efd8e31 2022-10-23 thomas 
 79 3efd8e31 2022-10-23 thomas static volatile sig_atomic_t sigint_received;
 80 3efd8e31 2022-10-23 thomas static volatile sig_atomic_t sigterm_received;
 81 3efd8e31 2022-10-23 thomas 
 82 3efd8e31 2022-10-23 thomas static void
 83 3efd8e31 2022-10-23 thomas catch_sigint(int signo)
 84 3efd8e31 2022-10-23 thomas {
 85 3efd8e31 2022-10-23 thomas 	sigint_received = 1;
 86 3efd8e31 2022-10-23 thomas }
 87 3efd8e31 2022-10-23 thomas 
 88 3efd8e31 2022-10-23 thomas static void
 89 3efd8e31 2022-10-23 thomas catch_sigterm(int signo)
 90 3efd8e31 2022-10-23 thomas {
 91 3efd8e31 2022-10-23 thomas 	sigterm_received = 1;
 92 3efd8e31 2022-10-23 thomas }
 93 3efd8e31 2022-10-23 thomas 
 94 3efd8e31 2022-10-23 thomas static const struct got_error *
 95 3efd8e31 2022-10-23 thomas check_cancelled(void *arg)
 96 3efd8e31 2022-10-23 thomas {
 97 3efd8e31 2022-10-23 thomas 	if (sigint_received || sigterm_received)
 98 3efd8e31 2022-10-23 thomas 		return got_error(GOT_ERR_CANCELLED);
 99 3efd8e31 2022-10-23 thomas 
100 3efd8e31 2022-10-23 thomas 	return NULL;
101 3efd8e31 2022-10-23 thomas }
102 3efd8e31 2022-10-23 thomas 
103 3efd8e31 2022-10-23 thomas static const struct got_error *
104 a7e9cbc6 2022-11-08 thomas send_symref(struct got_reference *symref, struct got_object_id *target_id,
105 a7e9cbc6 2022-11-08 thomas     struct imsgbuf *ibuf)
106 3efd8e31 2022-10-23 thomas {
107 3efd8e31 2022-10-23 thomas 	const struct got_error *err = NULL;
108 3efd8e31 2022-10-23 thomas 	struct gotd_imsg_symref isymref;
109 3efd8e31 2022-10-23 thomas 	const char *refname = got_ref_get_name(symref);
110 3efd8e31 2022-10-23 thomas 	const char *target = got_ref_get_symref_target(symref);
111 3efd8e31 2022-10-23 thomas 	size_t len;
112 3efd8e31 2022-10-23 thomas 	struct ibuf *wbuf;
113 3efd8e31 2022-10-23 thomas 
114 3efd8e31 2022-10-23 thomas 	memset(&isymref, 0, sizeof(isymref));
115 3efd8e31 2022-10-23 thomas 	isymref.name_len = strlen(refname);
116 3efd8e31 2022-10-23 thomas 	isymref.target_len = strlen(target);
117 3efd8e31 2022-10-23 thomas 	memcpy(isymref.target_id, target_id->sha1, sizeof(isymref.target_id));
118 3efd8e31 2022-10-23 thomas 
119 3efd8e31 2022-10-23 thomas 	len = sizeof(isymref) + isymref.name_len + isymref.target_len;
120 3efd8e31 2022-10-23 thomas 	if (len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
121 3efd8e31 2022-10-23 thomas 		err = got_error(GOT_ERR_NO_SPACE);
122 3efd8e31 2022-10-23 thomas 		goto done;
123 3efd8e31 2022-10-23 thomas 	}
124 3efd8e31 2022-10-23 thomas 
125 3efd8e31 2022-10-23 thomas 	wbuf = imsg_create(ibuf, GOTD_IMSG_SYMREF, 0, 0, len);
126 3efd8e31 2022-10-23 thomas 	if (wbuf == NULL) {
127 3efd8e31 2022-10-23 thomas 		err = got_error_from_errno("imsg_create SYMREF");
128 3efd8e31 2022-10-23 thomas 		goto done;
129 3efd8e31 2022-10-23 thomas 	}
130 3efd8e31 2022-10-23 thomas 
131 3efd8e31 2022-10-23 thomas 	if (imsg_add(wbuf, &isymref, sizeof(isymref)) == -1) {
132 3efd8e31 2022-10-23 thomas 		err = got_error_from_errno("imsg_add SYMREF");
133 3efd8e31 2022-10-23 thomas 		goto done;
134 3efd8e31 2022-10-23 thomas 	}
135 3efd8e31 2022-10-23 thomas 	if (imsg_add(wbuf, refname, isymref.name_len) == -1) {
136 3efd8e31 2022-10-23 thomas 		err = got_error_from_errno("imsg_add SYMREF");
137 3efd8e31 2022-10-23 thomas 		goto done;
138 3efd8e31 2022-10-23 thomas 	}
139 3efd8e31 2022-10-23 thomas 	if (imsg_add(wbuf, target, isymref.target_len) == -1) {
140 3efd8e31 2022-10-23 thomas 		err = got_error_from_errno("imsg_add SYMREF");
141 3efd8e31 2022-10-23 thomas 		goto done;
142 3efd8e31 2022-10-23 thomas 	}
143 3efd8e31 2022-10-23 thomas 
144 3efd8e31 2022-10-23 thomas 	imsg_close(ibuf, wbuf);
145 3efd8e31 2022-10-23 thomas done:
146 3efd8e31 2022-10-23 thomas 	free(target_id);
147 3efd8e31 2022-10-23 thomas 	return err;
148 3efd8e31 2022-10-23 thomas }
149 3efd8e31 2022-10-23 thomas 
150 3efd8e31 2022-10-23 thomas static const struct got_error *
151 3efd8e31 2022-10-23 thomas send_peeled_tag_ref(struct got_reference *ref, struct got_object *obj,
152 3efd8e31 2022-10-23 thomas     struct imsgbuf *ibuf)
153 3efd8e31 2022-10-23 thomas {
154 3efd8e31 2022-10-23 thomas 	const struct got_error *err = NULL;
155 3efd8e31 2022-10-23 thomas 	struct got_tag_object *tag;
156 3efd8e31 2022-10-23 thomas 	size_t namelen, len;
157 3efd8e31 2022-10-23 thomas 	char *peeled_refname = NULL;
158 3efd8e31 2022-10-23 thomas 	struct got_object_id *id;
159 3efd8e31 2022-10-23 thomas 	struct ibuf *wbuf;
160 3efd8e31 2022-10-23 thomas 
161 3efd8e31 2022-10-23 thomas 	err = got_object_tag_open(&tag, repo_read.repo, obj);
162 3efd8e31 2022-10-23 thomas 	if (err)
163 3efd8e31 2022-10-23 thomas 		return err;
164 3efd8e31 2022-10-23 thomas 
165 3efd8e31 2022-10-23 thomas 	if (asprintf(&peeled_refname, "%s^{}", got_ref_get_name(ref)) == -1) {
166 3efd8e31 2022-10-23 thomas 		err = got_error_from_errno("asprintf");
167 3efd8e31 2022-10-23 thomas 		goto done;
168 3efd8e31 2022-10-23 thomas 	}
169 3efd8e31 2022-10-23 thomas 
170 3efd8e31 2022-10-23 thomas 	id = got_object_tag_get_object_id(tag);
171 3efd8e31 2022-10-23 thomas 	namelen = strlen(peeled_refname);
172 3efd8e31 2022-10-23 thomas 
173 3efd8e31 2022-10-23 thomas 	len = sizeof(struct gotd_imsg_ref) + namelen;
174 3efd8e31 2022-10-23 thomas 	if (len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
175 3efd8e31 2022-10-23 thomas 		err = got_error(GOT_ERR_NO_SPACE);
176 3efd8e31 2022-10-23 thomas 		goto done;
177 3efd8e31 2022-10-23 thomas 	}
178 3efd8e31 2022-10-23 thomas 
179 3efd8e31 2022-10-23 thomas 	wbuf = imsg_create(ibuf, GOTD_IMSG_REF, PROC_REPO_READ,
180 3efd8e31 2022-10-23 thomas 	    repo_read.pid, len);
181 3efd8e31 2022-10-23 thomas 	if (wbuf == NULL) {
182 3efd8e31 2022-10-23 thomas 		err = got_error_from_errno("imsg_create MREF");
183 3efd8e31 2022-10-23 thomas 		goto done;
184 3efd8e31 2022-10-23 thomas 	}
185 3efd8e31 2022-10-23 thomas 
186 3efd8e31 2022-10-23 thomas 	/* Keep in sync with struct gotd_imsg_ref definition. */
187 3efd8e31 2022-10-23 thomas 	if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1) {
188 3efd8e31 2022-10-23 thomas 		err = got_error_from_errno("imsg_add REF");
189 3efd8e31 2022-10-23 thomas 		goto done;
190 3efd8e31 2022-10-23 thomas 	}
191 3efd8e31 2022-10-23 thomas 	if (imsg_add(wbuf, &namelen, sizeof(namelen)) == -1) {
192 3efd8e31 2022-10-23 thomas 		err = got_error_from_errno("imsg_add REF");
193 3efd8e31 2022-10-23 thomas 		goto done;
194 3efd8e31 2022-10-23 thomas 	}
195 3efd8e31 2022-10-23 thomas 	if (imsg_add(wbuf, peeled_refname, namelen) == -1) {
196 3efd8e31 2022-10-23 thomas 		err = got_error_from_errno("imsg_add REF");
197 3efd8e31 2022-10-23 thomas 		goto done;
198 3efd8e31 2022-10-23 thomas 	}
199 3efd8e31 2022-10-23 thomas 
200 3efd8e31 2022-10-23 thomas 	imsg_close(ibuf, wbuf);
201 3efd8e31 2022-10-23 thomas done:
202 3efd8e31 2022-10-23 thomas 	got_object_tag_close(tag);
203 3efd8e31 2022-10-23 thomas 	return err;
204 3efd8e31 2022-10-23 thomas }
205 3efd8e31 2022-10-23 thomas 
206 3efd8e31 2022-10-23 thomas static const struct got_error *
207 3efd8e31 2022-10-23 thomas send_ref(struct got_reference *ref, struct imsgbuf *ibuf)
208 3efd8e31 2022-10-23 thomas {
209 3efd8e31 2022-10-23 thomas 	const struct got_error *err;
210 3efd8e31 2022-10-23 thomas 	const char *refname = got_ref_get_name(ref);
211 3efd8e31 2022-10-23 thomas 	size_t namelen;
212 3efd8e31 2022-10-23 thomas 	struct got_object_id *id = NULL;
213 3efd8e31 2022-10-23 thomas 	struct got_object *obj = NULL;
214 3efd8e31 2022-10-23 thomas 	size_t len;
215 3efd8e31 2022-10-23 thomas 	struct ibuf *wbuf;
216 3efd8e31 2022-10-23 thomas 
217 3efd8e31 2022-10-23 thomas 	namelen = strlen(refname);
218 3efd8e31 2022-10-23 thomas 
219 3efd8e31 2022-10-23 thomas 	len = sizeof(struct gotd_imsg_ref) + namelen;
220 3efd8e31 2022-10-23 thomas 	if (len > MAX_IMSGSIZE - IMSG_HEADER_SIZE)
221 3efd8e31 2022-10-23 thomas 		return got_error(GOT_ERR_NO_SPACE);
222 3efd8e31 2022-10-23 thomas 
223 3efd8e31 2022-10-23 thomas 	err = got_ref_resolve(&id, repo_read.repo, ref);
224 3efd8e31 2022-10-23 thomas 	if (err)
225 3efd8e31 2022-10-23 thomas 		return err;
226 3efd8e31 2022-10-23 thomas 
227 3efd8e31 2022-10-23 thomas 	wbuf = imsg_create(ibuf, GOTD_IMSG_REF, PROC_REPO_READ,
228 3efd8e31 2022-10-23 thomas 	    repo_read.pid, len);
229 3efd8e31 2022-10-23 thomas 	if (wbuf == NULL) {
230 3efd8e31 2022-10-23 thomas 		err = got_error_from_errno("imsg_create REF");
231 3efd8e31 2022-10-23 thomas 		goto done;
232 3efd8e31 2022-10-23 thomas 	}
233 3efd8e31 2022-10-23 thomas 
234 3efd8e31 2022-10-23 thomas 	/* Keep in sync with struct gotd_imsg_ref definition. */
235 3efd8e31 2022-10-23 thomas 	if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1)
236 3efd8e31 2022-10-23 thomas 		return got_error_from_errno("imsg_add REF");
237 3efd8e31 2022-10-23 thomas 	if (imsg_add(wbuf, &namelen, sizeof(namelen)) == -1)
238 3efd8e31 2022-10-23 thomas 		return got_error_from_errno("imsg_add REF");
239 3efd8e31 2022-10-23 thomas 	if (imsg_add(wbuf, refname, namelen) == -1)
240 3efd8e31 2022-10-23 thomas 		return got_error_from_errno("imsg_add REF");
241 3efd8e31 2022-10-23 thomas 
242 3efd8e31 2022-10-23 thomas 	imsg_close(ibuf, wbuf);
243 3efd8e31 2022-10-23 thomas 
244 3efd8e31 2022-10-23 thomas 	err = got_object_open(&obj, repo_read.repo, id);
245 3efd8e31 2022-10-23 thomas 	if (err)
246 3efd8e31 2022-10-23 thomas 		goto done;
247 3efd8e31 2022-10-23 thomas 	if (obj->type == GOT_OBJ_TYPE_TAG)
248 3efd8e31 2022-10-23 thomas 		err = send_peeled_tag_ref(ref, obj, ibuf);
249 3efd8e31 2022-10-23 thomas done:
250 3efd8e31 2022-10-23 thomas 	if (obj)
251 3efd8e31 2022-10-23 thomas 		got_object_close(obj);
252 3efd8e31 2022-10-23 thomas 	free(id);
253 3efd8e31 2022-10-23 thomas 	return err;
254 3efd8e31 2022-10-23 thomas }
255 3efd8e31 2022-10-23 thomas 
256 3efd8e31 2022-10-23 thomas static const struct got_error *
257 9148c8a7 2023-01-02 thomas list_refs(struct imsg *imsg)
258 3efd8e31 2022-10-23 thomas {
259 3efd8e31 2022-10-23 thomas 	const struct got_error *err;
260 9148c8a7 2023-01-02 thomas 	struct repo_read_client *client = &repo_read_client;
261 3efd8e31 2022-10-23 thomas 	struct got_reflist_head refs;
262 3efd8e31 2022-10-23 thomas 	struct got_reflist_entry *re;
263 3efd8e31 2022-10-23 thomas 	struct gotd_imsg_list_refs_internal ireq;
264 3efd8e31 2022-10-23 thomas 	size_t datalen;
265 3efd8e31 2022-10-23 thomas 	struct gotd_imsg_reflist irefs;
266 3efd8e31 2022-10-23 thomas 	struct imsgbuf ibuf;
267 3d97effa 2024-01-31 thomas 	int client_fd;
268 a7e9cbc6 2022-11-08 thomas 	struct got_object_id *head_target_id = NULL;
269 3efd8e31 2022-10-23 thomas 
270 3efd8e31 2022-10-23 thomas 	TAILQ_INIT(&refs);
271 3efd8e31 2022-10-23 thomas 
272 3d97effa 2024-01-31 thomas 	client_fd = imsg_get_fd(imsg);
273 3efd8e31 2022-10-23 thomas 	if (client_fd == -1)
274 3efd8e31 2022-10-23 thomas 		return got_error(GOT_ERR_PRIVSEP_NO_FD);
275 3efd8e31 2022-10-23 thomas 
276 3efd8e31 2022-10-23 thomas 	datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
277 3efd8e31 2022-10-23 thomas 	if (datalen != sizeof(ireq))
278 3efd8e31 2022-10-23 thomas 		return got_error(GOT_ERR_PRIVSEP_LEN);
279 3efd8e31 2022-10-23 thomas 	memcpy(&ireq, imsg->data, sizeof(ireq));
280 3efd8e31 2022-10-23 thomas 
281 9148c8a7 2023-01-02 thomas 	if (ireq.client_id == 0)
282 9148c8a7 2023-01-02 thomas 		return got_error(GOT_ERR_CLIENT_ID);
283 9148c8a7 2023-01-02 thomas 	if (client->id != 0) {
284 9148c8a7 2023-01-02 thomas 		return got_error_msg(GOT_ERR_CLIENT_ID,
285 9148c8a7 2023-01-02 thomas 		    "duplicate list-refs request");
286 9148c8a7 2023-01-02 thomas 	}
287 9148c8a7 2023-01-02 thomas 	client->id = ireq.client_id;
288 9148c8a7 2023-01-02 thomas 	client->fd = client_fd;
289 3efd8e31 2022-10-23 thomas 
290 3efd8e31 2022-10-23 thomas 	imsg_init(&ibuf, client_fd);
291 3efd8e31 2022-10-23 thomas 
292 3efd8e31 2022-10-23 thomas 	err = got_ref_list(&refs, repo_read.repo, "",
293 3efd8e31 2022-10-23 thomas 	    got_ref_cmp_by_name, NULL);
294 3efd8e31 2022-10-23 thomas 	if (err)
295 3efd8e31 2022-10-23 thomas 		return err;
296 3efd8e31 2022-10-23 thomas 
297 3efd8e31 2022-10-23 thomas 	memset(&irefs, 0, sizeof(irefs));
298 3efd8e31 2022-10-23 thomas 	TAILQ_FOREACH(re, &refs, entry) {
299 3efd8e31 2022-10-23 thomas 		struct got_object_id *id;
300 3efd8e31 2022-10-23 thomas 		int obj_type;
301 3efd8e31 2022-10-23 thomas 
302 3efd8e31 2022-10-23 thomas 		if (got_ref_is_symbolic(re->ref)) {
303 3efd8e31 2022-10-23 thomas 			const char *refname = got_ref_get_name(re->ref);
304 a7e9cbc6 2022-11-08 thomas 			if (strcmp(refname, GOT_REF_HEAD) != 0)
305 a7e9cbc6 2022-11-08 thomas 				continue;
306 a7e9cbc6 2022-11-08 thomas 			err = got_ref_resolve(&head_target_id, repo_read.repo,
307 a7e9cbc6 2022-11-08 thomas 			    re->ref);
308 a7e9cbc6 2022-11-08 thomas 			if (err) {
309 a7e9cbc6 2022-11-08 thomas 				if (err->code != GOT_ERR_NOT_REF)
310 a7e9cbc6 2022-11-08 thomas 					return err;
311 a7e9cbc6 2022-11-08 thomas 				/*
312 a7e9cbc6 2022-11-08 thomas 				 * HEAD points to a non-existent branch.
313 a7e9cbc6 2022-11-08 thomas 				 * Do not advertise it.
314 a7e9cbc6 2022-11-08 thomas 				 * Matches git-daemon's behaviour.
315 a7e9cbc6 2022-11-08 thomas 				 */
316 a7e9cbc6 2022-11-08 thomas 				head_target_id = NULL;
317 a7e9cbc6 2022-11-08 thomas 				err = NULL;
318 a7e9cbc6 2022-11-08 thomas 			} else
319 3efd8e31 2022-10-23 thomas 				irefs.nrefs++;
320 3efd8e31 2022-10-23 thomas 			continue;
321 3efd8e31 2022-10-23 thomas 		}
322 3efd8e31 2022-10-23 thomas 
323 3efd8e31 2022-10-23 thomas 		irefs.nrefs++;
324 3efd8e31 2022-10-23 thomas 
325 3efd8e31 2022-10-23 thomas 		/* Account for a peeled tag refs. */
326 3efd8e31 2022-10-23 thomas 		err = got_ref_resolve(&id, repo_read.repo, re->ref);
327 3efd8e31 2022-10-23 thomas 		if (err)
328 3efd8e31 2022-10-23 thomas 			goto done;
329 8652e561 2023-01-14 thomas 		err = got_object_get_type(&obj_type, repo_read.repo, id);
330 3efd8e31 2022-10-23 thomas 		free(id);
331 3efd8e31 2022-10-23 thomas 		if (err)
332 3efd8e31 2022-10-23 thomas 			goto done;
333 3efd8e31 2022-10-23 thomas 		if (obj_type == GOT_OBJ_TYPE_TAG)
334 3efd8e31 2022-10-23 thomas 			irefs.nrefs++;
335 3efd8e31 2022-10-23 thomas 	}
336 3efd8e31 2022-10-23 thomas 
337 3efd8e31 2022-10-23 thomas 	if (imsg_compose(&ibuf, GOTD_IMSG_REFLIST, PROC_REPO_READ,
338 3efd8e31 2022-10-23 thomas 	    repo_read.pid, -1, &irefs, sizeof(irefs)) == -1) {
339 3efd8e31 2022-10-23 thomas 		err = got_error_from_errno("imsg_compose REFLIST");
340 3efd8e31 2022-10-23 thomas 		goto done;
341 3efd8e31 2022-10-23 thomas 	}
342 3efd8e31 2022-10-23 thomas 
343 3efd8e31 2022-10-23 thomas 	/*
344 3efd8e31 2022-10-23 thomas 	 * Send the HEAD symref first. In Git-protocol versions < 2
345 3efd8e31 2022-10-23 thomas 	 * the HEAD symref must be announced on the initial line of
346 3efd8e31 2022-10-23 thomas 	 * the server's ref advertisement.
347 3efd8e31 2022-10-23 thomas 	 * For now, we do not advertise symrefs other than HEAD.
348 3efd8e31 2022-10-23 thomas 	 */
349 3efd8e31 2022-10-23 thomas 	TAILQ_FOREACH(re, &refs, entry) {
350 3efd8e31 2022-10-23 thomas 		if (!got_ref_is_symbolic(re->ref) ||
351 a7e9cbc6 2022-11-08 thomas 		    strcmp(got_ref_get_name(re->ref), GOT_REF_HEAD) != 0 ||
352 a7e9cbc6 2022-11-08 thomas 		    head_target_id == NULL)
353 3efd8e31 2022-10-23 thomas 			continue;
354 a7e9cbc6 2022-11-08 thomas 		err = send_symref(re->ref, head_target_id, &ibuf);
355 3efd8e31 2022-10-23 thomas 		if (err)
356 3efd8e31 2022-10-23 thomas 			goto done;
357 3efd8e31 2022-10-23 thomas 		break;
358 3efd8e31 2022-10-23 thomas 	}
359 3efd8e31 2022-10-23 thomas 	TAILQ_FOREACH(re, &refs, entry) {
360 3efd8e31 2022-10-23 thomas 		if (got_ref_is_symbolic(re->ref))
361 3efd8e31 2022-10-23 thomas 			continue;
362 3efd8e31 2022-10-23 thomas 		err = send_ref(re->ref, &ibuf);
363 3efd8e31 2022-10-23 thomas 		if (err)
364 3efd8e31 2022-10-23 thomas 			goto done;
365 3efd8e31 2022-10-23 thomas 	}
366 3efd8e31 2022-10-23 thomas 
367 3efd8e31 2022-10-23 thomas 	err = gotd_imsg_flush(&ibuf);
368 3efd8e31 2022-10-23 thomas done:
369 3efd8e31 2022-10-23 thomas 	got_ref_list_free(&refs);
370 3efd8e31 2022-10-23 thomas 	imsg_clear(&ibuf);
371 3efd8e31 2022-10-23 thomas 	return err;
372 3efd8e31 2022-10-23 thomas }
373 3efd8e31 2022-10-23 thomas 
374 3efd8e31 2022-10-23 thomas static const struct got_error *
375 19aad72f 2023-03-01 thomas append_object_id(struct got_object_id *id, void *data, void *arg)
376 3efd8e31 2022-10-23 thomas {
377 19aad72f 2023-03-01 thomas 	struct gotd_object_id_array *array = arg;
378 3efd8e31 2022-10-23 thomas 	const size_t alloc_chunksz = 256;
379 3efd8e31 2022-10-23 thomas 
380 3efd8e31 2022-10-23 thomas 	if (array->ids == NULL) {
381 3efd8e31 2022-10-23 thomas 		array->ids = reallocarray(NULL, alloc_chunksz,
382 3efd8e31 2022-10-23 thomas 		    sizeof(*array->ids));
383 3efd8e31 2022-10-23 thomas 		if (array->ids == NULL)
384 3efd8e31 2022-10-23 thomas 			return got_error_from_errno("reallocarray");
385 3efd8e31 2022-10-23 thomas 		array->nalloc = alloc_chunksz;
386 3efd8e31 2022-10-23 thomas 		array->nids = 0;
387 3efd8e31 2022-10-23 thomas 	} else if (array->nalloc <= array->nids) {
388 3efd8e31 2022-10-23 thomas 		struct got_object_id **new;
389 3efd8e31 2022-10-23 thomas 		new = recallocarray(array->ids, array->nalloc,
390 3efd8e31 2022-10-23 thomas 		    array->nalloc + alloc_chunksz, sizeof(*new));
391 3efd8e31 2022-10-23 thomas 		if (new == NULL)
392 3efd8e31 2022-10-23 thomas 			return got_error_from_errno("recallocarray");
393 3efd8e31 2022-10-23 thomas 		array->ids = new;
394 3efd8e31 2022-10-23 thomas 		array->nalloc += alloc_chunksz;
395 3efd8e31 2022-10-23 thomas 	}
396 3efd8e31 2022-10-23 thomas 
397 19aad72f 2023-03-01 thomas 	array->ids[array->nids] = id;
398 3efd8e31 2022-10-23 thomas 	array->nids++;
399 3efd8e31 2022-10-23 thomas 	return NULL;
400 3efd8e31 2022-10-23 thomas }
401 3efd8e31 2022-10-23 thomas 
402 3efd8e31 2022-10-23 thomas static const struct got_error *
403 9148c8a7 2023-01-02 thomas recv_want(struct imsg *imsg)
404 3efd8e31 2022-10-23 thomas {
405 3efd8e31 2022-10-23 thomas 	const struct got_error *err;
406 9148c8a7 2023-01-02 thomas 	struct repo_read_client *client = &repo_read_client;
407 3efd8e31 2022-10-23 thomas 	struct gotd_imsg_want iwant;
408 3efd8e31 2022-10-23 thomas 	size_t datalen;
409 3efd8e31 2022-10-23 thomas 	char hex[SHA1_DIGEST_STRING_LENGTH];
410 3efd8e31 2022-10-23 thomas 	struct got_object_id id;
411 3efd8e31 2022-10-23 thomas 	int obj_type;
412 3efd8e31 2022-10-23 thomas 	struct imsgbuf ibuf;
413 3efd8e31 2022-10-23 thomas 
414 3efd8e31 2022-10-23 thomas 	datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
415 3efd8e31 2022-10-23 thomas 	if (datalen != sizeof(iwant))
416 3efd8e31 2022-10-23 thomas 		return got_error(GOT_ERR_PRIVSEP_LEN);
417 3efd8e31 2022-10-23 thomas 	memcpy(&iwant, imsg->data, sizeof(iwant));
418 3efd8e31 2022-10-23 thomas 
419 3efd8e31 2022-10-23 thomas 	memset(&id, 0, sizeof(id));
420 3efd8e31 2022-10-23 thomas 	memcpy(id.sha1, iwant.object_id, SHA1_DIGEST_LENGTH);
421 3efd8e31 2022-10-23 thomas 
422 3efd8e31 2022-10-23 thomas 	if (log_getverbose() > 0 &&
423 3efd8e31 2022-10-23 thomas 	    got_sha1_digest_to_str(id.sha1, hex, sizeof(hex)))
424 3efd8e31 2022-10-23 thomas 		log_debug("client wants %s", hex);
425 3efd8e31 2022-10-23 thomas 
426 9148c8a7 2023-01-02 thomas 	imsg_init(&ibuf, client->fd);
427 3efd8e31 2022-10-23 thomas 
428 3efd8e31 2022-10-23 thomas 	err = got_object_get_type(&obj_type, repo_read.repo, &id);
429 3efd8e31 2022-10-23 thomas 	if (err)
430 3efd8e31 2022-10-23 thomas 		return err;
431 3efd8e31 2022-10-23 thomas 
432 3efd8e31 2022-10-23 thomas 	if (obj_type != GOT_OBJ_TYPE_COMMIT &&
433 3efd8e31 2022-10-23 thomas 	    obj_type != GOT_OBJ_TYPE_TAG)
434 3efd8e31 2022-10-23 thomas 		return got_error(GOT_ERR_OBJ_TYPE);
435 3efd8e31 2022-10-23 thomas 
436 19aad72f 2023-03-01 thomas 	if (!got_object_idset_contains(client->want_ids, &id)) {
437 19aad72f 2023-03-01 thomas 		err = got_object_idset_add(client->want_ids, &id, NULL);
438 19aad72f 2023-03-01 thomas 		if (err)
439 19aad72f 2023-03-01 thomas 			return err;
440 19aad72f 2023-03-01 thomas 	}
441 3efd8e31 2022-10-23 thomas 
442 3efd8e31 2022-10-23 thomas 	gotd_imsg_send_ack(&id, &ibuf, PROC_REPO_READ, repo_read.pid);
443 3efd8e31 2022-10-23 thomas 	imsg_clear(&ibuf);
444 3efd8e31 2022-10-23 thomas 	return err;
445 3efd8e31 2022-10-23 thomas }
446 3efd8e31 2022-10-23 thomas 
447 3efd8e31 2022-10-23 thomas static const struct got_error *
448 9148c8a7 2023-01-02 thomas recv_have(struct imsg *imsg)
449 3efd8e31 2022-10-23 thomas {
450 3efd8e31 2022-10-23 thomas 	const struct got_error *err;
451 9148c8a7 2023-01-02 thomas 	struct repo_read_client *client = &repo_read_client;
452 3efd8e31 2022-10-23 thomas 	struct gotd_imsg_have ihave;
453 3efd8e31 2022-10-23 thomas 	size_t datalen;
454 3efd8e31 2022-10-23 thomas 	char hex[SHA1_DIGEST_STRING_LENGTH];
455 3efd8e31 2022-10-23 thomas 	struct got_object_id id;
456 3efd8e31 2022-10-23 thomas 	int obj_type;
457 3efd8e31 2022-10-23 thomas 	struct imsgbuf ibuf;
458 3efd8e31 2022-10-23 thomas 
459 3efd8e31 2022-10-23 thomas 	datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
460 3efd8e31 2022-10-23 thomas 	if (datalen != sizeof(ihave))
461 3efd8e31 2022-10-23 thomas 		return got_error(GOT_ERR_PRIVSEP_LEN);
462 3efd8e31 2022-10-23 thomas 	memcpy(&ihave, imsg->data, sizeof(ihave));
463 3efd8e31 2022-10-23 thomas 
464 3efd8e31 2022-10-23 thomas 	memset(&id, 0, sizeof(id));
465 3efd8e31 2022-10-23 thomas 	memcpy(id.sha1, ihave.object_id, SHA1_DIGEST_LENGTH);
466 3efd8e31 2022-10-23 thomas 
467 3efd8e31 2022-10-23 thomas 	if (log_getverbose() > 0 &&
468 3efd8e31 2022-10-23 thomas 	    got_sha1_digest_to_str(id.sha1, hex, sizeof(hex)))
469 3efd8e31 2022-10-23 thomas 		log_debug("client has %s", hex);
470 3efd8e31 2022-10-23 thomas 
471 9148c8a7 2023-01-02 thomas 	imsg_init(&ibuf, client->fd);
472 3efd8e31 2022-10-23 thomas 
473 3efd8e31 2022-10-23 thomas 	err = got_object_get_type(&obj_type, repo_read.repo, &id);
474 3efd8e31 2022-10-23 thomas 	if (err) {
475 3efd8e31 2022-10-23 thomas 		if (err->code == GOT_ERR_NO_OBJ) {
476 3efd8e31 2022-10-23 thomas 			gotd_imsg_send_nak(&id, &ibuf,
477 3efd8e31 2022-10-23 thomas 			    PROC_REPO_READ, repo_read.pid);
478 3efd8e31 2022-10-23 thomas 			err = NULL;
479 3efd8e31 2022-10-23 thomas 		}
480 3efd8e31 2022-10-23 thomas 		goto done;
481 3efd8e31 2022-10-23 thomas 	}
482 3efd8e31 2022-10-23 thomas 
483 3efd8e31 2022-10-23 thomas 	if (obj_type != GOT_OBJ_TYPE_COMMIT &&
484 3efd8e31 2022-10-23 thomas 	    obj_type != GOT_OBJ_TYPE_TAG) {
485 3efd8e31 2022-10-23 thomas 		gotd_imsg_send_nak(&id, &ibuf, PROC_REPO_READ, repo_read.pid);
486 3efd8e31 2022-10-23 thomas 		err = got_error(GOT_ERR_OBJ_TYPE);
487 3efd8e31 2022-10-23 thomas 		goto done;
488 3efd8e31 2022-10-23 thomas 	}
489 3efd8e31 2022-10-23 thomas 
490 19aad72f 2023-03-01 thomas 	if (!got_object_idset_contains(client->have_ids, &id)) {
491 19aad72f 2023-03-01 thomas 		err = got_object_idset_add(client->have_ids, &id, NULL);
492 19aad72f 2023-03-01 thomas 		if (err)
493 19aad72f 2023-03-01 thomas 			goto done;
494 19aad72f 2023-03-01 thomas 	}
495 3efd8e31 2022-10-23 thomas 
496 3efd8e31 2022-10-23 thomas 	gotd_imsg_send_ack(&id, &ibuf, PROC_REPO_READ, repo_read.pid);
497 3efd8e31 2022-10-23 thomas done:
498 3efd8e31 2022-10-23 thomas 	imsg_clear(&ibuf);
499 3efd8e31 2022-10-23 thomas 	return err;
500 3efd8e31 2022-10-23 thomas }
501 3efd8e31 2022-10-23 thomas 
502 3efd8e31 2022-10-23 thomas struct repo_read_pack_progress_arg {
503 3efd8e31 2022-10-23 thomas 	int report_progress;
504 3efd8e31 2022-10-23 thomas 	struct imsgbuf *ibuf;
505 3efd8e31 2022-10-23 thomas 	int sent_ready;
506 3efd8e31 2022-10-23 thomas };
507 3efd8e31 2022-10-23 thomas 
508 3efd8e31 2022-10-23 thomas static const struct got_error *
509 3efd8e31 2022-10-23 thomas pack_progress(void *arg, int ncolored, int nfound, int ntrees,
510 3efd8e31 2022-10-23 thomas     off_t packfile_size, int ncommits, int nobj_total, int nobj_deltify,
511 3efd8e31 2022-10-23 thomas     int nobj_written)
512 3efd8e31 2022-10-23 thomas {
513 3efd8e31 2022-10-23 thomas 	struct repo_read_pack_progress_arg *a = arg;
514 3efd8e31 2022-10-23 thomas 	struct gotd_imsg_packfile_progress iprog;
515 3efd8e31 2022-10-23 thomas 	int ret;
516 3efd8e31 2022-10-23 thomas 
517 3efd8e31 2022-10-23 thomas 	if (!a->report_progress)
518 3efd8e31 2022-10-23 thomas 		return NULL;
519 3efd8e31 2022-10-23 thomas 	if (packfile_size > 0 && a->sent_ready)
520 3efd8e31 2022-10-23 thomas 		return NULL;
521 3efd8e31 2022-10-23 thomas 
522 3efd8e31 2022-10-23 thomas 	memset(&iprog, 0, sizeof(iprog));
523 3efd8e31 2022-10-23 thomas 	iprog.ncolored = ncolored;
524 3efd8e31 2022-10-23 thomas 	iprog.nfound = nfound;
525 3efd8e31 2022-10-23 thomas 	iprog.ntrees = ntrees;
526 3efd8e31 2022-10-23 thomas 	iprog.packfile_size = packfile_size;
527 3efd8e31 2022-10-23 thomas 	iprog.ncommits = ncommits;
528 3efd8e31 2022-10-23 thomas 	iprog.nobj_total = nobj_total;
529 3efd8e31 2022-10-23 thomas 	iprog.nobj_deltify = nobj_deltify;
530 3efd8e31 2022-10-23 thomas 	iprog.nobj_written = nobj_written;
531 3efd8e31 2022-10-23 thomas 
532 3efd8e31 2022-10-23 thomas 	/* Using synchronous writes since we are blocking the event loop. */
533 3efd8e31 2022-10-23 thomas 	if (packfile_size == 0) {
534 3efd8e31 2022-10-23 thomas 		ret = imsg_compose(a->ibuf, GOTD_IMSG_PACKFILE_PROGRESS,
535 3efd8e31 2022-10-23 thomas 		    PROC_REPO_READ, repo_read.pid, -1, &iprog, sizeof(iprog));
536 3efd8e31 2022-10-23 thomas 		if (ret == -1) {
537 3efd8e31 2022-10-23 thomas 			return got_error_from_errno("imsg compose "
538 3efd8e31 2022-10-23 thomas 			    "PACKFILE_PROGRESS");
539 8652e561 2023-01-14 thomas 		}
540 3efd8e31 2022-10-23 thomas 	} else {
541 3efd8e31 2022-10-23 thomas 		a->sent_ready = 1;
542 3efd8e31 2022-10-23 thomas 		ret = imsg_compose(a->ibuf, GOTD_IMSG_PACKFILE_READY,
543 3efd8e31 2022-10-23 thomas 		    PROC_REPO_READ, repo_read.pid, -1, &iprog, sizeof(iprog));
544 3efd8e31 2022-10-23 thomas 		if (ret == -1) {
545 3efd8e31 2022-10-23 thomas 			return got_error_from_errno("imsg compose "
546 3efd8e31 2022-10-23 thomas 			    "PACKFILE_READY");
547 3efd8e31 2022-10-23 thomas 		}
548 3efd8e31 2022-10-23 thomas 	}
549 3efd8e31 2022-10-23 thomas 
550 3efd8e31 2022-10-23 thomas 	return gotd_imsg_flush(a->ibuf);
551 3efd8e31 2022-10-23 thomas }
552 3efd8e31 2022-10-23 thomas 
553 3efd8e31 2022-10-23 thomas static const struct got_error *
554 9148c8a7 2023-01-02 thomas receive_delta_cache_fd(struct imsg *imsg,
555 3efd8e31 2022-10-23 thomas     struct gotd_imsgev *iev)
556 3efd8e31 2022-10-23 thomas {
557 9148c8a7 2023-01-02 thomas 	struct repo_read_client *client = &repo_read_client;
558 3efd8e31 2022-10-23 thomas 	struct gotd_imsg_send_packfile ireq;
559 3efd8e31 2022-10-23 thomas 	size_t datalen;
560 3efd8e31 2022-10-23 thomas 
561 ff553ea7 2023-04-22 thomas 	log_debug("receiving delta cache file");
562 3efd8e31 2022-10-23 thomas 
563 3efd8e31 2022-10-23 thomas 	datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
564 3efd8e31 2022-10-23 thomas 	if (datalen != sizeof(ireq))
565 3efd8e31 2022-10-23 thomas 		return got_error(GOT_ERR_PRIVSEP_LEN);
566 3efd8e31 2022-10-23 thomas 	memcpy(&ireq, imsg->data, sizeof(ireq));
567 3efd8e31 2022-10-23 thomas 
568 9148c8a7 2023-01-02 thomas 	if (client->delta_cache_fd != -1)
569 3efd8e31 2022-10-23 thomas 		return got_error(GOT_ERR_PRIVSEP_MSG);
570 3efd8e31 2022-10-23 thomas 
571 3d97effa 2024-01-31 thomas 	client->delta_cache_fd = imsg_get_fd(imsg);
572 3d97effa 2024-01-31 thomas 	if (client->delta_cache_fd == -1)
573 3d97effa 2024-01-31 thomas 		return got_error(GOT_ERR_PRIVSEP_NO_FD);
574 3d97effa 2024-01-31 thomas 
575 9148c8a7 2023-01-02 thomas 	client->report_progress = ireq.report_progress;
576 3efd8e31 2022-10-23 thomas 	return NULL;
577 3efd8e31 2022-10-23 thomas }
578 3efd8e31 2022-10-23 thomas 
579 3efd8e31 2022-10-23 thomas static const struct got_error *
580 9148c8a7 2023-01-02 thomas receive_pack_pipe(struct imsg *imsg, struct gotd_imsgev *iev)
581 3efd8e31 2022-10-23 thomas {
582 9148c8a7 2023-01-02 thomas 	struct repo_read_client *client = &repo_read_client;
583 3efd8e31 2022-10-23 thomas 	struct gotd_imsg_packfile_pipe ireq;
584 3efd8e31 2022-10-23 thomas 	size_t datalen;
585 3efd8e31 2022-10-23 thomas 
586 ff553ea7 2023-04-22 thomas 	log_debug("receiving pack pipe descriptor");
587 3efd8e31 2022-10-23 thomas 
588 3efd8e31 2022-10-23 thomas 	datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
589 3efd8e31 2022-10-23 thomas 	if (datalen != sizeof(ireq))
590 3efd8e31 2022-10-23 thomas 		return got_error(GOT_ERR_PRIVSEP_LEN);
591 3efd8e31 2022-10-23 thomas 	memcpy(&ireq, imsg->data, sizeof(ireq));
592 3efd8e31 2022-10-23 thomas 
593 9148c8a7 2023-01-02 thomas 	if (client->pack_pipe != -1)
594 3efd8e31 2022-10-23 thomas 		return got_error(GOT_ERR_PRIVSEP_MSG);
595 3efd8e31 2022-10-23 thomas 
596 3d97effa 2024-01-31 thomas 	client->pack_pipe = imsg_get_fd(imsg);
597 3d97effa 2024-01-31 thomas 	if (client->pack_pipe == -1)
598 3d97effa 2024-01-31 thomas 		return got_error(GOT_ERR_PRIVSEP_NO_FD);
599 3d97effa 2024-01-31 thomas 
600 3efd8e31 2022-10-23 thomas 	return NULL;
601 3efd8e31 2022-10-23 thomas }
602 3efd8e31 2022-10-23 thomas 
603 3efd8e31 2022-10-23 thomas static const struct got_error *
604 9148c8a7 2023-01-02 thomas send_packfile(struct imsg *imsg, struct gotd_imsgev *iev)
605 3efd8e31 2022-10-23 thomas {
606 3efd8e31 2022-10-23 thomas 	const struct got_error *err = NULL;
607 9148c8a7 2023-01-02 thomas 	struct repo_read_client *client = &repo_read_client;
608 3efd8e31 2022-10-23 thomas 	struct gotd_imsg_packfile_done idone;
609 3efd8e31 2022-10-23 thomas 	uint8_t packsha1[SHA1_DIGEST_LENGTH];
610 3efd8e31 2022-10-23 thomas 	char hex[SHA1_DIGEST_STRING_LENGTH];
611 3efd8e31 2022-10-23 thomas 	FILE *delta_cache = NULL;
612 3efd8e31 2022-10-23 thomas 	struct imsgbuf ibuf;
613 3efd8e31 2022-10-23 thomas 	struct repo_read_pack_progress_arg pa;
614 3efd8e31 2022-10-23 thomas 	struct got_ratelimit rl;
615 19aad72f 2023-03-01 thomas 	struct gotd_object_id_array want_ids;
616 19aad72f 2023-03-01 thomas 	struct gotd_object_id_array have_ids;
617 3efd8e31 2022-10-23 thomas 
618 3efd8e31 2022-10-23 thomas 	log_debug("packfile request received");
619 3efd8e31 2022-10-23 thomas 
620 19aad72f 2023-03-01 thomas 	memset(&want_ids, 0, sizeof(want_ids));
621 19aad72f 2023-03-01 thomas 	memset(&have_ids, 0, sizeof(have_ids));
622 19aad72f 2023-03-01 thomas 
623 3efd8e31 2022-10-23 thomas 	got_ratelimit_init(&rl, 2, 0);
624 3efd8e31 2022-10-23 thomas 
625 cc4cc677 2022-10-28 thomas 	if (client->delta_cache_fd == -1 || client->pack_pipe == -1)
626 3efd8e31 2022-10-23 thomas 		return got_error(GOT_ERR_PRIVSEP_NO_FD);
627 3efd8e31 2022-10-23 thomas 
628 3efd8e31 2022-10-23 thomas 	imsg_init(&ibuf, client->fd);
629 3efd8e31 2022-10-23 thomas 
630 3efd8e31 2022-10-23 thomas 	delta_cache = fdopen(client->delta_cache_fd, "w+");
631 3efd8e31 2022-10-23 thomas 	if (delta_cache == NULL) {
632 3efd8e31 2022-10-23 thomas 		err = got_error_from_errno("fdopen");
633 3efd8e31 2022-10-23 thomas 		goto done;
634 3efd8e31 2022-10-23 thomas 	}
635 3efd8e31 2022-10-23 thomas 	client->delta_cache_fd = -1;
636 3efd8e31 2022-10-23 thomas 
637 3efd8e31 2022-10-23 thomas 	memset(&pa, 0, sizeof(pa));
638 3efd8e31 2022-10-23 thomas 	pa.ibuf = &ibuf;
639 3efd8e31 2022-10-23 thomas 	pa.report_progress = client->report_progress;
640 3efd8e31 2022-10-23 thomas 
641 19aad72f 2023-03-01 thomas 	err = got_object_idset_for_each(client->want_ids,
642 19aad72f 2023-03-01 thomas 	    append_object_id, &want_ids);
643 19aad72f 2023-03-01 thomas 	if (err)
644 19aad72f 2023-03-01 thomas 		goto done;
645 19aad72f 2023-03-01 thomas 	err = got_object_idset_for_each(client->have_ids,
646 19aad72f 2023-03-01 thomas 	   append_object_id, &have_ids);
647 19aad72f 2023-03-01 thomas 	if (err)
648 19aad72f 2023-03-01 thomas 		goto done;
649 19aad72f 2023-03-01 thomas 
650 cc4cc677 2022-10-28 thomas 	err = got_pack_create(packsha1, client->pack_pipe, delta_cache,
651 19aad72f 2023-03-01 thomas 	    have_ids.ids, have_ids.nids, want_ids.ids, want_ids.nids,
652 91b1d456 2023-02-17 thomas 	    repo_read.repo, 0, 1, 0, pack_progress, &pa, &rl,
653 3efd8e31 2022-10-23 thomas 	    check_cancelled, NULL);
654 3efd8e31 2022-10-23 thomas 	if (err)
655 3efd8e31 2022-10-23 thomas 		goto done;
656 8652e561 2023-01-14 thomas 
657 3efd8e31 2022-10-23 thomas 	if (log_getverbose() > 0 &&
658 3efd8e31 2022-10-23 thomas 	    got_sha1_digest_to_str(packsha1, hex, sizeof(hex)))
659 3efd8e31 2022-10-23 thomas 		log_debug("sent pack-%s.pack", hex);
660 3efd8e31 2022-10-23 thomas 
661 3efd8e31 2022-10-23 thomas 	memset(&idone, 0, sizeof(idone));
662 3efd8e31 2022-10-23 thomas 	idone.client_id = client->id;
663 3efd8e31 2022-10-23 thomas 	if (gotd_imsg_compose_event(iev, GOTD_IMSG_PACKFILE_DONE,
664 3efd8e31 2022-10-23 thomas 	    PROC_REPO_READ, -1, &idone, sizeof(idone)) == -1)
665 3efd8e31 2022-10-23 thomas 		err = got_error_from_errno("imsg compose PACKFILE_DONE");
666 3efd8e31 2022-10-23 thomas done:
667 815470d4 2024-01-31 thomas 	if (client->delta_cache_fd != -1 &&
668 815470d4 2024-01-31 thomas 	    close(client->delta_cache_fd) == -1 && err == NULL)
669 815470d4 2024-01-31 thomas 		err = got_error_from_errno("close");
670 815470d4 2024-01-31 thomas 	client->delta_cache_fd = -1;
671 3efd8e31 2022-10-23 thomas 	if (delta_cache != NULL && fclose(delta_cache) == EOF && err == NULL)
672 3efd8e31 2022-10-23 thomas 		err = got_error_from_errno("fclose");
673 3efd8e31 2022-10-23 thomas 	imsg_clear(&ibuf);
674 19aad72f 2023-03-01 thomas 	free(want_ids.ids);
675 19aad72f 2023-03-01 thomas 	free(have_ids.ids);
676 3efd8e31 2022-10-23 thomas 	return err;
677 3efd8e31 2022-10-23 thomas }
678 3efd8e31 2022-10-23 thomas 
679 3efd8e31 2022-10-23 thomas static void
680 62ee7d94 2023-01-10 thomas repo_read_dispatch_session(int fd, short event, void *arg)
681 3efd8e31 2022-10-23 thomas {
682 3efd8e31 2022-10-23 thomas 	const struct got_error *err = NULL;
683 3efd8e31 2022-10-23 thomas 	struct gotd_imsgev *iev = arg;
684 3efd8e31 2022-10-23 thomas 	struct imsgbuf *ibuf = &iev->ibuf;
685 3efd8e31 2022-10-23 thomas 	struct imsg imsg;
686 3efd8e31 2022-10-23 thomas 	ssize_t n;
687 3efd8e31 2022-10-23 thomas 	int shut = 0;
688 9148c8a7 2023-01-02 thomas 	struct repo_read_client *client = &repo_read_client;
689 3efd8e31 2022-10-23 thomas 
690 3efd8e31 2022-10-23 thomas 	if (event & EV_READ) {
691 3efd8e31 2022-10-23 thomas 		if ((n = imsg_read(ibuf)) == -1 && errno != EAGAIN)
692 3efd8e31 2022-10-23 thomas 			fatal("imsg_read error");
693 3efd8e31 2022-10-23 thomas 		if (n == 0)	/* Connection closed. */
694 3efd8e31 2022-10-23 thomas 			shut = 1;
695 3efd8e31 2022-10-23 thomas 	}
696 3efd8e31 2022-10-23 thomas 
697 3efd8e31 2022-10-23 thomas 	if (event & EV_WRITE) {
698 3efd8e31 2022-10-23 thomas 		n = msgbuf_write(&ibuf->w);
699 3efd8e31 2022-10-23 thomas 		if (n == -1 && errno != EAGAIN)
700 3efd8e31 2022-10-23 thomas 			fatal("msgbuf_write");
701 3efd8e31 2022-10-23 thomas 		if (n == 0)	/* Connection closed. */
702 3efd8e31 2022-10-23 thomas 			shut = 1;
703 3efd8e31 2022-10-23 thomas 	}
704 3efd8e31 2022-10-23 thomas 
705 3efd8e31 2022-10-23 thomas 	while (err == NULL && check_cancelled(NULL) == NULL) {
706 3efd8e31 2022-10-23 thomas 		if ((n = imsg_get(ibuf, &imsg)) == -1)
707 3efd8e31 2022-10-23 thomas 			fatal("%s: imsg_get", __func__);
708 3efd8e31 2022-10-23 thomas 		if (n == 0)	/* No more messages. */
709 3efd8e31 2022-10-23 thomas 			break;
710 3efd8e31 2022-10-23 thomas 
711 9148c8a7 2023-01-02 thomas 		if (imsg.hdr.type != GOTD_IMSG_LIST_REFS_INTERNAL &&
712 9148c8a7 2023-01-02 thomas 		    client->id == 0) {
713 9148c8a7 2023-01-02 thomas 			err = got_error(GOT_ERR_PRIVSEP_MSG);
714 9148c8a7 2023-01-02 thomas 			break;
715 9148c8a7 2023-01-02 thomas 		}
716 9148c8a7 2023-01-02 thomas 
717 3efd8e31 2022-10-23 thomas 		switch (imsg.hdr.type) {
718 3efd8e31 2022-10-23 thomas 		case GOTD_IMSG_LIST_REFS_INTERNAL:
719 9148c8a7 2023-01-02 thomas 			err = list_refs(&imsg);
720 3efd8e31 2022-10-23 thomas 			if (err)
721 42f290d4 2023-03-05 thomas 				log_warnx("ls-refs: %s", err->msg);
722 3efd8e31 2022-10-23 thomas 			break;
723 3efd8e31 2022-10-23 thomas 		case GOTD_IMSG_WANT:
724 9148c8a7 2023-01-02 thomas 			err = recv_want(&imsg);
725 3efd8e31 2022-10-23 thomas 			if (err)
726 42f290d4 2023-03-05 thomas 				log_warnx("want-line: %s", err->msg);
727 3efd8e31 2022-10-23 thomas 			break;
728 3efd8e31 2022-10-23 thomas 		case GOTD_IMSG_HAVE:
729 9148c8a7 2023-01-02 thomas 			err = recv_have(&imsg);
730 3efd8e31 2022-10-23 thomas 			if (err)
731 42f290d4 2023-03-05 thomas 				log_warnx("have-line: %s", err->msg);
732 3efd8e31 2022-10-23 thomas 			break;
733 3efd8e31 2022-10-23 thomas 		case GOTD_IMSG_SEND_PACKFILE:
734 9148c8a7 2023-01-02 thomas 			err = receive_delta_cache_fd(&imsg, iev);
735 3efd8e31 2022-10-23 thomas 			if (err)
736 42f290d4 2023-03-05 thomas 				log_warnx("receiving delta cache: %s",
737 42f290d4 2023-03-05 thomas 				    err->msg);
738 3efd8e31 2022-10-23 thomas 			break;
739 3efd8e31 2022-10-23 thomas 		case GOTD_IMSG_PACKFILE_PIPE:
740 9148c8a7 2023-01-02 thomas 			err = receive_pack_pipe(&imsg, iev);
741 3efd8e31 2022-10-23 thomas 			if (err) {
742 42f290d4 2023-03-05 thomas 				log_warnx("receiving pack pipe: %s", err->msg);
743 3efd8e31 2022-10-23 thomas 				break;
744 3efd8e31 2022-10-23 thomas 			}
745 9148c8a7 2023-01-02 thomas 			err = send_packfile(&imsg, iev);
746 3efd8e31 2022-10-23 thomas 			if (err)
747 42f290d4 2023-03-05 thomas 				log_warnx("sending packfile: %s", err->msg);
748 3efd8e31 2022-10-23 thomas 			break;
749 62ee7d94 2023-01-10 thomas 		default:
750 42f290d4 2023-03-05 thomas 			log_debug("unexpected imsg %d", imsg.hdr.type);
751 62ee7d94 2023-01-10 thomas 			break;
752 62ee7d94 2023-01-10 thomas 		}
753 62ee7d94 2023-01-10 thomas 
754 62ee7d94 2023-01-10 thomas 		imsg_free(&imsg);
755 62ee7d94 2023-01-10 thomas 	}
756 62ee7d94 2023-01-10 thomas 
757 62ee7d94 2023-01-10 thomas 	if (!shut && check_cancelled(NULL) == NULL) {
758 62ee7d94 2023-01-10 thomas 		if (err &&
759 62ee7d94 2023-01-10 thomas 		    gotd_imsg_send_error_event(iev, PROC_REPO_READ,
760 62ee7d94 2023-01-10 thomas 		        client->id, err) == -1) {
761 62ee7d94 2023-01-10 thomas 			log_warnx("could not send error to parent: %s",
762 62ee7d94 2023-01-10 thomas 			    err->msg);
763 62ee7d94 2023-01-10 thomas 		}
764 62ee7d94 2023-01-10 thomas 		gotd_imsg_event_add(iev);
765 62ee7d94 2023-01-10 thomas 	} else {
766 62ee7d94 2023-01-10 thomas 		/* This pipe is dead. Remove its event handler */
767 62ee7d94 2023-01-10 thomas 		event_del(&iev->ev);
768 62ee7d94 2023-01-10 thomas 		event_loopexit(NULL);
769 62ee7d94 2023-01-10 thomas 	}
770 62ee7d94 2023-01-10 thomas }
771 62ee7d94 2023-01-10 thomas 
772 62ee7d94 2023-01-10 thomas static const struct got_error *
773 62ee7d94 2023-01-10 thomas recv_connect(struct imsg *imsg)
774 62ee7d94 2023-01-10 thomas {
775 62ee7d94 2023-01-10 thomas 	struct gotd_imsgev *iev = &repo_read.session_iev;
776 62ee7d94 2023-01-10 thomas 	size_t datalen;
777 62ee7d94 2023-01-10 thomas 
778 62ee7d94 2023-01-10 thomas 	datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
779 62ee7d94 2023-01-10 thomas 	if (datalen != 0)
780 62ee7d94 2023-01-10 thomas 		return got_error(GOT_ERR_PRIVSEP_LEN);
781 62ee7d94 2023-01-10 thomas 
782 62ee7d94 2023-01-10 thomas 	if (repo_read.session_fd != -1)
783 62ee7d94 2023-01-10 thomas 		return got_error(GOT_ERR_PRIVSEP_MSG);
784 62ee7d94 2023-01-10 thomas 
785 3d97effa 2024-01-31 thomas 	repo_read.session_fd = imsg_get_fd(imsg);
786 3d97effa 2024-01-31 thomas 	if (repo_read.session_fd == -1)
787 3d97effa 2024-01-31 thomas 		return got_error(GOT_ERR_PRIVSEP_NO_FD);
788 62ee7d94 2023-01-10 thomas 
789 62ee7d94 2023-01-10 thomas 	imsg_init(&iev->ibuf, repo_read.session_fd);
790 62ee7d94 2023-01-10 thomas 	iev->handler = repo_read_dispatch_session;
791 62ee7d94 2023-01-10 thomas 	iev->events = EV_READ;
792 62ee7d94 2023-01-10 thomas 	iev->handler_arg = NULL;
793 62ee7d94 2023-01-10 thomas 	event_set(&iev->ev, iev->ibuf.fd, EV_READ,
794 62ee7d94 2023-01-10 thomas 	    repo_read_dispatch_session, iev);
795 62ee7d94 2023-01-10 thomas 	gotd_imsg_event_add(iev);
796 62ee7d94 2023-01-10 thomas 
797 62ee7d94 2023-01-10 thomas 	return NULL;
798 62ee7d94 2023-01-10 thomas }
799 62ee7d94 2023-01-10 thomas 
800 62ee7d94 2023-01-10 thomas static void
801 62ee7d94 2023-01-10 thomas repo_read_dispatch(int fd, short event, void *arg)
802 62ee7d94 2023-01-10 thomas {
803 62ee7d94 2023-01-10 thomas 	const struct got_error *err = NULL;
804 62ee7d94 2023-01-10 thomas 	struct gotd_imsgev *iev = arg;
805 62ee7d94 2023-01-10 thomas 	struct imsgbuf *ibuf = &iev->ibuf;
806 62ee7d94 2023-01-10 thomas 	struct imsg imsg;
807 62ee7d94 2023-01-10 thomas 	ssize_t n;
808 62ee7d94 2023-01-10 thomas 	int shut = 0;
809 62ee7d94 2023-01-10 thomas 	struct repo_read_client *client = &repo_read_client;
810 62ee7d94 2023-01-10 thomas 
811 62ee7d94 2023-01-10 thomas 	if (event & EV_READ) {
812 62ee7d94 2023-01-10 thomas 		if ((n = imsg_read(ibuf)) == -1 && errno != EAGAIN)
813 62ee7d94 2023-01-10 thomas 			fatal("imsg_read error");
814 62ee7d94 2023-01-10 thomas 		if (n == 0)	/* Connection closed. */
815 9148c8a7 2023-01-02 thomas 			shut = 1;
816 62ee7d94 2023-01-10 thomas 	}
817 62ee7d94 2023-01-10 thomas 
818 62ee7d94 2023-01-10 thomas 	if (event & EV_WRITE) {
819 62ee7d94 2023-01-10 thomas 		n = msgbuf_write(&ibuf->w);
820 62ee7d94 2023-01-10 thomas 		if (n == -1 && errno != EAGAIN)
821 62ee7d94 2023-01-10 thomas 			fatal("msgbuf_write");
822 62ee7d94 2023-01-10 thomas 		if (n == 0)	/* Connection closed. */
823 62ee7d94 2023-01-10 thomas 			shut = 1;
824 62ee7d94 2023-01-10 thomas 	}
825 62ee7d94 2023-01-10 thomas 
826 62ee7d94 2023-01-10 thomas 	while (err == NULL && check_cancelled(NULL) == NULL) {
827 62ee7d94 2023-01-10 thomas 		if ((n = imsg_get(ibuf, &imsg)) == -1)
828 62ee7d94 2023-01-10 thomas 			fatal("%s: imsg_get", __func__);
829 62ee7d94 2023-01-10 thomas 		if (n == 0)	/* No more messages. */
830 3efd8e31 2022-10-23 thomas 			break;
831 62ee7d94 2023-01-10 thomas 
832 62ee7d94 2023-01-10 thomas 		switch (imsg.hdr.type) {
833 62ee7d94 2023-01-10 thomas 		case GOTD_IMSG_CONNECT_REPO_CHILD:
834 62ee7d94 2023-01-10 thomas 			err = recv_connect(&imsg);
835 62ee7d94 2023-01-10 thomas 			break;
836 3efd8e31 2022-10-23 thomas 		default:
837 42f290d4 2023-03-05 thomas 			log_debug("unexpected imsg %d", imsg.hdr.type);
838 3efd8e31 2022-10-23 thomas 			break;
839 3efd8e31 2022-10-23 thomas 		}
840 3efd8e31 2022-10-23 thomas 
841 3efd8e31 2022-10-23 thomas 		imsg_free(&imsg);
842 3efd8e31 2022-10-23 thomas 	}
843 3efd8e31 2022-10-23 thomas 
844 3efd8e31 2022-10-23 thomas 	if (!shut && check_cancelled(NULL) == NULL) {
845 3efd8e31 2022-10-23 thomas 		if (err &&
846 3efd8e31 2022-10-23 thomas 		    gotd_imsg_send_error_event(iev, PROC_REPO_READ,
847 9148c8a7 2023-01-02 thomas 		        client->id, err) == -1) {
848 3efd8e31 2022-10-23 thomas 			log_warnx("could not send error to parent: %s",
849 3efd8e31 2022-10-23 thomas 			    err->msg);
850 3efd8e31 2022-10-23 thomas 		}
851 3efd8e31 2022-10-23 thomas 		gotd_imsg_event_add(iev);
852 3efd8e31 2022-10-23 thomas 	} else {
853 3efd8e31 2022-10-23 thomas 		/* This pipe is dead. Remove its event handler */
854 3efd8e31 2022-10-23 thomas 		event_del(&iev->ev);
855 3efd8e31 2022-10-23 thomas 		event_loopexit(NULL);
856 3efd8e31 2022-10-23 thomas 	}
857 3efd8e31 2022-10-23 thomas }
858 3efd8e31 2022-10-23 thomas 
859 3efd8e31 2022-10-23 thomas void
860 414e37cb 2022-12-30 thomas repo_read_main(const char *title, const char *repo_path,
861 414e37cb 2022-12-30 thomas     int *pack_fds, int *temp_fds)
862 3efd8e31 2022-10-23 thomas {
863 3efd8e31 2022-10-23 thomas 	const struct got_error *err = NULL;
864 92db09ff 2023-02-17 thomas 	struct repo_read_client *client = &repo_read_client;
865 3efd8e31 2022-10-23 thomas 	struct gotd_imsgev iev;
866 3efd8e31 2022-10-23 thomas 
867 92db09ff 2023-02-17 thomas 	client->fd = -1;
868 92db09ff 2023-02-17 thomas 	client->delta_cache_fd = -1;
869 92db09ff 2023-02-17 thomas 	client->pack_pipe = -1;
870 19aad72f 2023-03-01 thomas 	client->have_ids = got_object_idset_alloc();
871 19aad72f 2023-03-01 thomas 	if (client->have_ids == NULL) {
872 19aad72f 2023-03-01 thomas 		err = got_error_from_errno("got_object_idset_alloc");
873 19aad72f 2023-03-01 thomas 		goto done;
874 19aad72f 2023-03-01 thomas 	}
875 19aad72f 2023-03-01 thomas 	client->want_ids = got_object_idset_alloc();
876 19aad72f 2023-03-01 thomas 	if (client->want_ids == NULL) {
877 19aad72f 2023-03-01 thomas 		err = got_error_from_errno("got_object_idset_alloc");
878 19aad72f 2023-03-01 thomas 		goto done;
879 19aad72f 2023-03-01 thomas 	}
880 92db09ff 2023-02-17 thomas 
881 3efd8e31 2022-10-23 thomas 	repo_read.title = title;
882 3efd8e31 2022-10-23 thomas 	repo_read.pid = getpid();
883 3efd8e31 2022-10-23 thomas 	repo_read.pack_fds = pack_fds;
884 3efd8e31 2022-10-23 thomas 	repo_read.temp_fds = temp_fds;
885 62ee7d94 2023-01-10 thomas 	repo_read.session_fd = -1;
886 62ee7d94 2023-01-10 thomas 	repo_read.session_iev.ibuf.fd = -1;
887 3efd8e31 2022-10-23 thomas 
888 414e37cb 2022-12-30 thomas 	err = got_repo_open(&repo_read.repo, repo_path, NULL, pack_fds);
889 3efd8e31 2022-10-23 thomas 	if (err)
890 3efd8e31 2022-10-23 thomas 		goto done;
891 3efd8e31 2022-10-23 thomas 	if (!got_repo_is_bare(repo_read.repo)) {
892 3efd8e31 2022-10-23 thomas 		err = got_error_msg(GOT_ERR_NOT_GIT_REPO,
893 3efd8e31 2022-10-23 thomas 		    "bare git repository required");
894 3efd8e31 2022-10-23 thomas 		goto done;
895 3efd8e31 2022-10-23 thomas 	}
896 3efd8e31 2022-10-23 thomas 
897 3efd8e31 2022-10-23 thomas 	got_repo_temp_fds_set(repo_read.repo, temp_fds);
898 3efd8e31 2022-10-23 thomas 
899 3efd8e31 2022-10-23 thomas 	signal(SIGINT, catch_sigint);
900 3efd8e31 2022-10-23 thomas 	signal(SIGTERM, catch_sigterm);
901 3efd8e31 2022-10-23 thomas 	signal(SIGPIPE, SIG_IGN);
902 3efd8e31 2022-10-23 thomas 	signal(SIGHUP, SIG_IGN);
903 3efd8e31 2022-10-23 thomas 
904 bb3a6ce9 2022-11-17 thomas 	imsg_init(&iev.ibuf, GOTD_FILENO_MSG_PIPE);
905 3efd8e31 2022-10-23 thomas 	iev.handler = repo_read_dispatch;
906 3efd8e31 2022-10-23 thomas 	iev.events = EV_READ;
907 3efd8e31 2022-10-23 thomas 	iev.handler_arg = NULL;
908 3efd8e31 2022-10-23 thomas 	event_set(&iev.ev, iev.ibuf.fd, EV_READ, repo_read_dispatch, &iev);
909 85b37c72 2022-12-30 thomas 
910 85b37c72 2022-12-30 thomas 	if (gotd_imsg_compose_event(&iev, GOTD_IMSG_REPO_CHILD_READY,
911 85b37c72 2022-12-30 thomas 	    PROC_REPO_READ, -1, NULL, 0) == -1) {
912 85b37c72 2022-12-30 thomas 		err = got_error_from_errno("imsg compose REPO_CHILD_READY");
913 3efd8e31 2022-10-23 thomas 		goto done;
914 3efd8e31 2022-10-23 thomas 	}
915 3efd8e31 2022-10-23 thomas 
916 3efd8e31 2022-10-23 thomas 	event_dispatch();
917 3efd8e31 2022-10-23 thomas done:
918 3efd8e31 2022-10-23 thomas 	if (err)
919 3efd8e31 2022-10-23 thomas 		log_warnx("%s: %s", title, err->msg);
920 3efd8e31 2022-10-23 thomas 	repo_read_shutdown();
921 3efd8e31 2022-10-23 thomas }
922 3efd8e31 2022-10-23 thomas 
923 3efd8e31 2022-10-23 thomas void
924 3efd8e31 2022-10-23 thomas repo_read_shutdown(void)
925 3efd8e31 2022-10-23 thomas {
926 92db09ff 2023-02-17 thomas 	struct repo_read_client *client = &repo_read_client;
927 92db09ff 2023-02-17 thomas 
928 7161c4dc 2023-03-05 thomas 	log_debug("shutting down");
929 92db09ff 2023-02-17 thomas 
930 19aad72f 2023-03-01 thomas 	if (client->have_ids)
931 19aad72f 2023-03-01 thomas 		got_object_idset_free(client->have_ids);
932 19aad72f 2023-03-01 thomas 	if (client->want_ids)
933 19aad72f 2023-03-01 thomas 		got_object_idset_free(client->want_ids);
934 92db09ff 2023-02-17 thomas 	if (client->fd != -1)
935 92db09ff 2023-02-17 thomas 		close(client->fd);
936 92db09ff 2023-02-17 thomas 	if (client->delta_cache_fd != -1)
937 92db09ff 2023-02-17 thomas 		close(client->delta_cache_fd);
938 92db09ff 2023-02-17 thomas 	if (client->pack_pipe != -1)
939 92db09ff 2023-02-17 thomas 		close(client->pack_pipe);
940 92db09ff 2023-02-17 thomas 
941 3efd8e31 2022-10-23 thomas 	if (repo_read.repo)
942 3efd8e31 2022-10-23 thomas 		got_repo_close(repo_read.repo);
943 3efd8e31 2022-10-23 thomas 	got_repo_pack_fds_close(repo_read.pack_fds);
944 3efd8e31 2022-10-23 thomas 	got_repo_temp_fds_close(repo_read.temp_fds);
945 62ee7d94 2023-01-10 thomas 	if (repo_read.session_fd != -1)
946 62ee7d94 2023-01-10 thomas 		close(repo_read.session_fd);
947 3efd8e31 2022-10-23 thomas 	exit(0);
948 3efd8e31 2022-10-23 thomas }