2 f8a36e22 2021-08-26 stsp * Copyright (c) 2018, 2019 Ori Bernstein <ori@openbsd.org>
3 f8a36e22 2021-08-26 stsp * Copyright (c) 2021 Stefan Sperling <stsp@openbsd.org>
4 4ac84380 2023-07-05 thomas * Copyright (c) 2023 Josh Rickmar <jrick@zettaport.com>
6 f8a36e22 2021-08-26 stsp * Permission to use, copy, modify, and distribute this software for any
7 f8a36e22 2021-08-26 stsp * purpose with or without fee is hereby granted, provided that the above
8 f8a36e22 2021-08-26 stsp * copyright notice and this permission notice appear in all copies.
10 f8a36e22 2021-08-26 stsp * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 f8a36e22 2021-08-26 stsp * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 f8a36e22 2021-08-26 stsp * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 f8a36e22 2021-08-26 stsp * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 f8a36e22 2021-08-26 stsp * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 f8a36e22 2021-08-26 stsp * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 f8a36e22 2021-08-26 stsp * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19 4fccd2fe 2023-03-08 thomas #include "got_compat.h"
21 f8a36e22 2021-08-26 stsp #include <sys/types.h>
22 f8a36e22 2021-08-26 stsp #include <sys/stat.h>
23 8b925c6c 2022-07-16 thomas #include <sys/queue.h>
24 f8a36e22 2021-08-26 stsp #include <sys/uio.h>
25 f8a36e22 2021-08-26 stsp #include <sys/socket.h>
26 f8a36e22 2021-08-26 stsp #include <sys/wait.h>
27 f8a36e22 2021-08-26 stsp #include <sys/resource.h>
28 f8a36e22 2021-08-26 stsp #include <sys/socket.h>
30 f8a36e22 2021-08-26 stsp #include <errno.h>
31 f8a36e22 2021-08-26 stsp #include <err.h>
32 f8a36e22 2021-08-26 stsp #include <fcntl.h>
33 f8a36e22 2021-08-26 stsp #include <stdio.h>
34 f8a36e22 2021-08-26 stsp #include <stdlib.h>
35 f8a36e22 2021-08-26 stsp #include <string.h>
36 f8a36e22 2021-08-26 stsp #include <stdint.h>
37 f8a36e22 2021-08-26 stsp #include <unistd.h>
38 f8a36e22 2021-08-26 stsp #include <zlib.h>
39 f8a36e22 2021-08-26 stsp #include <ctype.h>
40 f8a36e22 2021-08-26 stsp #include <limits.h>
41 f8a36e22 2021-08-26 stsp #include <time.h>
43 f8a36e22 2021-08-26 stsp #include "got_error.h"
44 f8a36e22 2021-08-26 stsp #include "got_reference.h"
45 f8a36e22 2021-08-26 stsp #include "got_repository.h"
46 f8a36e22 2021-08-26 stsp #include "got_path.h"
47 f8a36e22 2021-08-26 stsp #include "got_cancel.h"
48 f8a36e22 2021-08-26 stsp #include "got_worktree.h"
49 f8a36e22 2021-08-26 stsp #include "got_object.h"
50 f8a36e22 2021-08-26 stsp #include "got_opentemp.h"
51 f8a36e22 2021-08-26 stsp #include "got_send.h"
52 f8a36e22 2021-08-26 stsp #include "got_repository_admin.h"
53 f8a36e22 2021-08-26 stsp #include "got_commit_graph.h"
55 f8a36e22 2021-08-26 stsp #include "got_lib_delta.h"
56 f8a36e22 2021-08-26 stsp #include "got_lib_inflate.h"
57 f8a36e22 2021-08-26 stsp #include "got_lib_object.h"
58 f8a36e22 2021-08-26 stsp #include "got_lib_object_parse.h"
59 f8a36e22 2021-08-26 stsp #include "got_lib_object_create.h"
60 f8a36e22 2021-08-26 stsp #include "got_lib_pack.h"
61 be288a59 2023-02-23 thomas #include "got_lib_hash.h"
62 f8a36e22 2021-08-26 stsp #include "got_lib_privsep.h"
63 f8a36e22 2021-08-26 stsp #include "got_lib_object_cache.h"
64 f8a36e22 2021-08-26 stsp #include "got_lib_repository.h"
65 abd46894 2022-10-18 thomas #include "got_lib_ratelimit.h"
66 f8a36e22 2021-08-26 stsp #include "got_lib_pack_create.h"
67 d65a88a2 2021-09-05 stsp #include "got_lib_dial.h"
68 8505ab66 2023-07-10 thomas #include "got_lib_worktree_cvg.h"
70 f8a36e22 2021-08-26 stsp #ifndef nitems
71 f8a36e22 2021-08-26 stsp #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
74 f8a36e22 2021-08-26 stsp #ifndef ssizeof
75 f8a36e22 2021-08-26 stsp #define ssizeof(_x) ((ssize_t)(sizeof(_x)))
79 f8a36e22 2021-08-26 stsp #define MIN(_a,_b) ((_a) < (_b) ? (_a) : (_b))
82 f8a36e22 2021-08-26 stsp const struct got_error *
83 f8a36e22 2021-08-26 stsp got_send_connect(pid_t *sendpid, int *sendfd, const char *proto,
84 f8a36e22 2021-08-26 stsp const char *host, const char *port, const char *server_path, int verbosity)
86 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
88 f8a36e22 2021-08-26 stsp *sendpid = -1;
89 f8a36e22 2021-08-26 stsp *sendfd = -1;
91 f8a36e22 2021-08-26 stsp if (strcmp(proto, "ssh") == 0 || strcmp(proto, "git+ssh") == 0)
92 d65a88a2 2021-09-05 stsp err = got_dial_ssh(sendpid, sendfd, host, port, server_path,
93 5769f9a0 2023-04-22 thomas GOT_DIAL_CMD_SEND, verbosity);
94 f8a36e22 2021-08-26 stsp else if (strcmp(proto, "git") == 0)
95 d65a88a2 2021-09-05 stsp err = got_dial_git(sendfd, host, port, server_path,
96 5769f9a0 2023-04-22 thomas GOT_DIAL_CMD_SEND);
97 f8a36e22 2021-08-26 stsp else if (strcmp(proto, "http") == 0 || strcmp(proto, "git+http") == 0)
98 f8a36e22 2021-08-26 stsp err = got_error_path(proto, GOT_ERR_NOT_IMPL);
100 f8a36e22 2021-08-26 stsp err = got_error_path(proto, GOT_ERR_BAD_PROTO);
101 f8a36e22 2021-08-26 stsp return err;
104 f8a36e22 2021-08-26 stsp struct pack_progress_arg {
105 f8a36e22 2021-08-26 stsp got_send_progress_cb progress_cb;
106 f8a36e22 2021-08-26 stsp void *progress_arg;
108 85220b0e 2022-03-22 thomas int ncolored;
109 85220b0e 2022-03-22 thomas int nfound;
110 85220b0e 2022-03-22 thomas int ntrees;
111 f8a36e22 2021-08-26 stsp off_t packfile_size;
112 f8a36e22 2021-08-26 stsp int ncommits;
113 f8a36e22 2021-08-26 stsp int nobj_total;
114 f8a36e22 2021-08-26 stsp int nobj_deltify;
115 f8a36e22 2021-08-26 stsp int nobj_written;
118 f8a36e22 2021-08-26 stsp static const struct got_error *
119 85220b0e 2022-03-22 thomas pack_progress(void *arg, int ncolored, int nfound, int ntrees,
120 85220b0e 2022-03-22 thomas off_t packfile_size, int ncommits, int nobj_total, int nobj_deltify,
121 85220b0e 2022-03-22 thomas int nobj_written)
123 f8a36e22 2021-08-26 stsp const struct got_error *err;
124 f8a36e22 2021-08-26 stsp struct pack_progress_arg *a = arg;
126 85220b0e 2022-03-22 thomas err = a->progress_cb(a->progress_arg, ncolored, nfound, ntrees,
127 85220b0e 2022-03-22 thomas packfile_size, ncommits, nobj_total, nobj_deltify,
128 3fe5d0fe 2022-11-17 thomas nobj_written, 0, NULL, NULL, 0);
130 f8a36e22 2021-08-26 stsp return err;
132 85220b0e 2022-03-22 thomas a->ncolored= ncolored;
133 85220b0e 2022-03-22 thomas a->nfound = nfound;
134 85220b0e 2022-03-22 thomas a->ntrees = ntrees;
135 f8a36e22 2021-08-26 stsp a->packfile_size = packfile_size;
136 f8a36e22 2021-08-26 stsp a->ncommits = ncommits;
137 f8a36e22 2021-08-26 stsp a->nobj_total = nobj_total;
138 f8a36e22 2021-08-26 stsp a->nobj_deltify = nobj_deltify;
139 f8a36e22 2021-08-26 stsp a->nobj_written = nobj_written;
140 f8a36e22 2021-08-26 stsp return NULL;
143 f8a36e22 2021-08-26 stsp static const struct got_error *
144 4ac84380 2023-07-05 thomas insert_sendable_ref(struct got_pathlist_head *refs, const char *refname,
145 8505ab66 2023-07-10 thomas const char *target_refname, struct got_repository *repo)
147 f8a36e22 2021-08-26 stsp const struct got_error *err;
148 f8a36e22 2021-08-26 stsp struct got_reference *ref;
149 4ac84380 2023-07-05 thomas struct got_object_id *id = NULL;
150 4ac84380 2023-07-05 thomas int obj_type;
152 f8a36e22 2021-08-26 stsp err = got_ref_open(&ref, repo, refname, 0);
154 f8a36e22 2021-08-26 stsp return err;
156 4ac84380 2023-07-05 thomas if (got_ref_is_symbolic(ref)) {
157 4ac84380 2023-07-05 thomas err = got_error_fmt(GOT_ERR_BAD_REF_TYPE,
158 4ac84380 2023-07-05 thomas "cannot send symbolic reference %s", refname);
159 4ac84380 2023-07-05 thomas goto done;
162 4ac84380 2023-07-05 thomas err = got_ref_resolve(&id, repo, ref);
164 4ac84380 2023-07-05 thomas goto done;
165 4ac84380 2023-07-05 thomas err = got_object_get_type(&obj_type, repo, id);
167 4ac84380 2023-07-05 thomas goto done;
168 4ac84380 2023-07-05 thomas switch (obj_type) {
169 4ac84380 2023-07-05 thomas case GOT_OBJ_TYPE_COMMIT:
170 4ac84380 2023-07-05 thomas case GOT_OBJ_TYPE_TAG:
173 4ac84380 2023-07-05 thomas err = got_error_fmt(GOT_ERR_OBJ_TYPE," cannot send %s",
174 4ac84380 2023-07-05 thomas refname);
175 4ac84380 2023-07-05 thomas goto done;
178 8505ab66 2023-07-10 thomas err = got_pathlist_insert(NULL, refs, target_refname, id);
181 76e9b2be 2023-07-10 thomas got_ref_close(ref);
183 4ac84380 2023-07-05 thomas free(id);
184 f8a36e22 2021-08-26 stsp return err;
187 f8a36e22 2021-08-26 stsp static const struct got_error *
188 38bad86b 2023-04-22 thomas check_common_ancestry(const char *refname, struct got_object_id *my_id,
189 f8a36e22 2021-08-26 stsp struct got_object_id *their_id, struct got_repository *repo,
190 f8a36e22 2021-08-26 stsp got_cancel_cb cancel_cb, void *cancel_arg)
192 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
193 f8a36e22 2021-08-26 stsp struct got_object_id *yca_id;
194 f8a36e22 2021-08-26 stsp int obj_type;
196 f8a36e22 2021-08-26 stsp err = got_object_get_type(&obj_type, repo, their_id);
198 f8a36e22 2021-08-26 stsp return err;
199 f8a36e22 2021-08-26 stsp if (obj_type != GOT_OBJ_TYPE_COMMIT)
200 f8a36e22 2021-08-26 stsp return got_error_fmt(GOT_ERR_OBJ_TYPE,
201 f8a36e22 2021-08-26 stsp "bad object type on server for %s", refname);
203 f8a36e22 2021-08-26 stsp err = got_commit_graph_find_youngest_common_ancestor(&yca_id,
204 38bad86b 2023-04-22 thomas my_id, their_id, 0, repo, cancel_cb, cancel_arg);
206 f8a36e22 2021-08-26 stsp return err;
207 f8a36e22 2021-08-26 stsp if (yca_id == NULL)
208 f8a36e22 2021-08-26 stsp return got_error_fmt(GOT_ERR_SEND_ANCESTRY, "%s", refname);
210 f8a36e22 2021-08-26 stsp if (got_object_id_cmp(their_id, yca_id) != 0)
211 f8a36e22 2021-08-26 stsp err = got_error_fmt(GOT_ERR_SEND_ANCESTRY, "%s", refname);
213 f8a36e22 2021-08-26 stsp free(yca_id);
214 f8a36e22 2021-08-26 stsp return err;
217 f8a36e22 2021-08-26 stsp static const struct got_error *
218 f8a36e22 2021-08-26 stsp realloc_ids(struct got_object_id ***ids, size_t *nalloc, size_t n)
220 f8a36e22 2021-08-26 stsp struct got_object_id **new;
221 f8a36e22 2021-08-26 stsp const size_t alloc_chunksz = 256;
223 535e07c7 2021-08-29 naddy if (*nalloc >= n)
224 f8a36e22 2021-08-26 stsp return NULL;
226 f8a36e22 2021-08-26 stsp new = recallocarray(*ids, *nalloc, *nalloc + alloc_chunksz,
227 f8a36e22 2021-08-26 stsp sizeof(struct got_object_id));
228 f8a36e22 2021-08-26 stsp if (new == NULL)
229 f8a36e22 2021-08-26 stsp return got_error_from_errno("recallocarray");
231 f8a36e22 2021-08-26 stsp *ids = new;
232 f8a36e22 2021-08-26 stsp *nalloc += alloc_chunksz;
233 f8a36e22 2021-08-26 stsp return NULL;
236 f8a36e22 2021-08-26 stsp static struct got_pathlist_entry *
237 4ac84380 2023-07-05 thomas find_ref(struct got_pathlist_head *refs, const char *refname)
239 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *pe;
241 4ac84380 2023-07-05 thomas TAILQ_FOREACH(pe, refs, entry) {
242 4ac84380 2023-07-05 thomas if (got_path_cmp(pe->path, refname, strlen(pe->path),
243 4ac84380 2023-07-05 thomas strlen(refname)) == 0) {
248 f8a36e22 2021-08-26 stsp return NULL;
251 f8a36e22 2021-08-26 stsp static const struct got_error *
252 f8a36e22 2021-08-26 stsp get_remote_refname(char **remote_refname, const char *remote_name,
253 f8a36e22 2021-08-26 stsp const char *refname)
255 f8a36e22 2021-08-26 stsp if (strncmp(refname, "refs/", 5) == 0)
256 f8a36e22 2021-08-26 stsp refname += 5;
257 f8a36e22 2021-08-26 stsp if (strncmp(refname, "heads/", 6) == 0)
258 f8a36e22 2021-08-26 stsp refname += 6;
260 f8a36e22 2021-08-26 stsp if (asprintf(remote_refname, "refs/remotes/%s/%s",
261 f8a36e22 2021-08-26 stsp remote_name, refname) == -1)
262 f8a36e22 2021-08-26 stsp return got_error_from_errno("asprintf");
264 f8a36e22 2021-08-26 stsp return NULL;
267 f8a36e22 2021-08-26 stsp static const struct got_error *
268 4ac84380 2023-07-05 thomas update_remote_ref(struct got_pathlist_entry *my_ref, const char *remote_name,
269 f8a36e22 2021-08-26 stsp struct got_repository *repo)
271 f8a36e22 2021-08-26 stsp const struct got_error *err, *unlock_err;
272 4ac84380 2023-07-05 thomas const char *refname = my_ref->path;
273 4ac84380 2023-07-05 thomas struct got_object_id *my_id = my_ref->data;
274 f8a36e22 2021-08-26 stsp struct got_reference *ref = NULL;
275 f8a36e22 2021-08-26 stsp char *remote_refname = NULL;
276 f8a36e22 2021-08-26 stsp int ref_locked = 0;
278 4ac84380 2023-07-05 thomas err = get_remote_refname(&remote_refname, remote_name, refname);
282 f8a36e22 2021-08-26 stsp err = got_ref_open(&ref, repo, remote_refname, 1 /* lock */);
284 f8a36e22 2021-08-26 stsp if (err->code != GOT_ERR_NOT_REF)
286 f8a36e22 2021-08-26 stsp err = got_ref_alloc(&ref, remote_refname, my_id);
290 f8a36e22 2021-08-26 stsp ref_locked = 1;
291 f8a36e22 2021-08-26 stsp err = got_ref_change_ref(ref, my_id);
296 f8a36e22 2021-08-26 stsp err = got_ref_write(ref, repo);
299 f8a36e22 2021-08-26 stsp if (ref_locked) {
300 f8a36e22 2021-08-26 stsp unlock_err = got_ref_unlock(ref);
301 f8a36e22 2021-08-26 stsp if (unlock_err && err == NULL)
302 f8a36e22 2021-08-26 stsp err = unlock_err;
304 f8a36e22 2021-08-26 stsp got_ref_close(ref);
306 f8a36e22 2021-08-26 stsp free(remote_refname);
307 f8a36e22 2021-08-26 stsp return err;
310 f8a36e22 2021-08-26 stsp const struct got_error*
311 f8a36e22 2021-08-26 stsp got_send_pack(const char *remote_name, struct got_pathlist_head *branch_names,
312 f8a36e22 2021-08-26 stsp struct got_pathlist_head *tag_names,
313 f8a36e22 2021-08-26 stsp struct got_pathlist_head *delete_branches,
314 f8a36e22 2021-08-26 stsp int verbosity, int overwrite_refs, int sendfd,
315 f8a36e22 2021-08-26 stsp struct got_repository *repo, got_send_progress_cb progress_cb,
316 f8a36e22 2021-08-26 stsp void *progress_arg, got_cancel_cb cancel_cb, void *cancel_arg)
318 f8a36e22 2021-08-26 stsp int imsg_sendfds[2];
319 f8a36e22 2021-08-26 stsp int npackfd = -1, nsendfd = -1;
320 f8a36e22 2021-08-26 stsp int sendstatus, done = 0;
321 f8a36e22 2021-08-26 stsp const struct got_error *err;
322 f8a36e22 2021-08-26 stsp struct imsgbuf sendibuf;
323 f8a36e22 2021-08-26 stsp pid_t sendpid = -1;
324 f8a36e22 2021-08-26 stsp struct got_pathlist_head have_refs;
325 f8a36e22 2021-08-26 stsp struct got_pathlist_head their_refs;
326 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *pe;
327 f8a36e22 2021-08-26 stsp struct got_object_id **our_ids = NULL;
328 f8a36e22 2021-08-26 stsp struct got_object_id **their_ids = NULL;
329 4ac84380 2023-07-05 thomas int nours = 0, ntheirs = 0;
330 f8a36e22 2021-08-26 stsp size_t nalloc_ours = 0, nalloc_theirs = 0;
331 27b75514 2021-08-28 stsp int refs_to_send = 0, refs_to_delete = 0;
332 46cd7462 2022-07-21 thomas off_t bytes_sent = 0, bytes_sent_cur = 0;
333 f8a36e22 2021-08-26 stsp struct pack_progress_arg ppa;
334 f8a36e22 2021-08-26 stsp uint8_t packsha1[SHA1_DIGEST_LENGTH];
335 20a7d452 2022-10-16 thomas int packfd = -1;
336 05fa7118 2022-10-16 thomas FILE *delta_cache = NULL;
337 4ac84380 2023-07-05 thomas char *s = NULL;
339 f8a36e22 2021-08-26 stsp TAILQ_INIT(&have_refs);
340 f8a36e22 2021-08-26 stsp TAILQ_INIT(&their_refs);
342 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, branch_names, entry) {
343 f8a36e22 2021-08-26 stsp const char *branchname = pe->path;
344 8505ab66 2023-07-10 thomas const char *targetname = pe->data;
346 8505ab66 2023-07-10 thomas if (targetname == NULL)
347 8505ab66 2023-07-10 thomas targetname = branchname;
349 8505ab66 2023-07-10 thomas if (strncmp(targetname, "refs/heads/", 11) != 0) {
350 8505ab66 2023-07-10 thomas if (asprintf(&s, "refs/heads/%s", targetname) == -1) {
351 f8a36e22 2021-08-26 stsp err = got_error_from_errno("asprintf");
355 8505ab66 2023-07-10 thomas if ((s = strdup(targetname)) == NULL) {
356 4ac84380 2023-07-05 thomas err = got_error_from_errno("strdup");
357 4ac84380 2023-07-05 thomas goto done;
360 8505ab66 2023-07-10 thomas err = insert_sendable_ref(&have_refs, branchname, s, repo);
363 4ac84380 2023-07-05 thomas s = NULL;
366 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_branches, entry) {
367 f8a36e22 2021-08-26 stsp const char *branchname = pe->path;
368 4ac84380 2023-07-05 thomas struct got_pathlist_entry *ref;
369 f8a36e22 2021-08-26 stsp if (strncmp(branchname, "refs/heads/", 11) != 0) {
370 f8a36e22 2021-08-26 stsp err = got_error_fmt(GOT_ERR_SEND_DELETE_REF, "%s",
371 f8a36e22 2021-08-26 stsp branchname);
374 4ac84380 2023-07-05 thomas ref = find_ref(&have_refs, branchname);
376 f8a36e22 2021-08-26 stsp err = got_error_fmt(GOT_ERR_SEND_DELETE_REF,
377 f8a36e22 2021-08-26 stsp "changes on %s will be sent to server",
378 f8a36e22 2021-08-26 stsp branchname);
383 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, tag_names, entry) {
384 f8a36e22 2021-08-26 stsp const char *tagname = pe->path;
385 f8a36e22 2021-08-26 stsp if (strncmp(tagname, "refs/tags/", 10) != 0) {
386 f8a36e22 2021-08-26 stsp if (asprintf(&s, "refs/tags/%s", tagname) == -1) {
387 f8a36e22 2021-08-26 stsp err = got_error_from_errno("asprintf");
391 4ac84380 2023-07-05 thomas if ((s = strdup(pe->path)) == NULL) {
392 4ac84380 2023-07-05 thomas err = got_error_from_errno("strdup");
393 4ac84380 2023-07-05 thomas goto done;
396 8505ab66 2023-07-10 thomas err = insert_sendable_ref(&have_refs, s, s, repo);
399 4ac84380 2023-07-05 thomas s = NULL;
402 4ac84380 2023-07-05 thomas if (TAILQ_EMPTY(&have_refs) && TAILQ_EMPTY(delete_branches)) {
403 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_SEND_EMPTY);
407 20a7d452 2022-10-16 thomas packfd = got_opentempfd();
408 20a7d452 2022-10-16 thomas if (packfd == -1) {
409 20a7d452 2022-10-16 thomas err = got_error_from_errno("got_opentempfd");
413 05fa7118 2022-10-16 thomas delta_cache = got_opentemp();
414 05fa7118 2022-10-16 thomas if (delta_cache == NULL) {
415 05fa7118 2022-10-16 thomas err = got_error_from_errno("got_opentemp");
416 05fa7118 2022-10-16 thomas goto done;
419 f8a36e22 2021-08-26 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_sendfds) == -1) {
420 f8a36e22 2021-08-26 stsp err = got_error_from_errno("socketpair");
424 f8a36e22 2021-08-26 stsp sendpid = fork();
425 f8a36e22 2021-08-26 stsp if (sendpid == -1) {
426 f8a36e22 2021-08-26 stsp err = got_error_from_errno("fork");
428 f8a36e22 2021-08-26 stsp } else if (sendpid == 0){
429 f8a36e22 2021-08-26 stsp got_privsep_exec_child(imsg_sendfds,
430 f8a36e22 2021-08-26 stsp GOT_PATH_PROG_SEND_PACK, got_repo_get_path(repo));
433 f8a36e22 2021-08-26 stsp if (close(imsg_sendfds[1]) == -1) {
434 f8a36e22 2021-08-26 stsp err = got_error_from_errno("close");
437 f8a36e22 2021-08-26 stsp imsg_init(&sendibuf, imsg_sendfds[0]);
438 f8a36e22 2021-08-26 stsp nsendfd = dup(sendfd);
439 f8a36e22 2021-08-26 stsp if (nsendfd == -1) {
440 f8a36e22 2021-08-26 stsp err = got_error_from_errno("dup");
445 76e9b2be 2023-07-10 thomas * Prepare the array of our object IDs which
446 4ac84380 2023-07-05 thomas * will be needed for generating a pack file.
448 4ac84380 2023-07-05 thomas TAILQ_FOREACH(pe, &have_refs, entry) {
449 4ac84380 2023-07-05 thomas struct got_object_id *id = pe->data;
451 535e07c7 2021-08-29 naddy err = realloc_ids(&our_ids, &nalloc_ours, nours + 1);
454 f8a36e22 2021-08-26 stsp our_ids[nours] = id;
458 f8a36e22 2021-08-26 stsp err = got_privsep_send_send_req(&sendibuf, nsendfd, &have_refs,
459 f8a36e22 2021-08-26 stsp delete_branches, verbosity);
462 f8a36e22 2021-08-26 stsp nsendfd = -1;
464 f8a36e22 2021-08-26 stsp err = got_privsep_recv_send_remote_refs(&their_refs, &sendibuf);
468 f8a36e22 2021-08-26 stsp * Process references reported by the server.
469 f8a36e22 2021-08-26 stsp * Push appropriate object IDs onto the "their IDs" array.
470 f8a36e22 2021-08-26 stsp * This array will be used to exclude objects which already
471 f8a36e22 2021-08-26 stsp * exist on the server from our pack file.
473 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, &their_refs, entry) {
474 f8a36e22 2021-08-26 stsp const char *refname = pe->path;
475 f8a36e22 2021-08-26 stsp struct got_object_id *their_id = pe->data;
476 f8a36e22 2021-08-26 stsp int have_their_id;
477 f8a36e22 2021-08-26 stsp struct got_object *obj;
478 4ac84380 2023-07-05 thomas struct got_pathlist_entry *my_ref = NULL;
479 f8a36e22 2021-08-26 stsp int is_tag = 0;
481 f8a36e22 2021-08-26 stsp /* Don't blindly trust the server to send us valid names. */
482 f8a36e22 2021-08-26 stsp if (!got_ref_name_is_valid(refname))
485 4064588e 2021-10-17 thomas if (strncmp(refname, "refs/tags/", 10) == 0)
486 4064588e 2021-10-17 thomas is_tag = 1;
488 f8a36e22 2021-08-26 stsp * Find out whether this is a reference we want to upload.
489 f8a36e22 2021-08-26 stsp * Otherwise we can still use this reference as a hint to
490 f8a36e22 2021-08-26 stsp * avoid uploading any objects the server already has.
492 4ac84380 2023-07-05 thomas my_ref = find_ref(&have_refs, refname);
493 f8a36e22 2021-08-26 stsp if (my_ref) {
494 4ac84380 2023-07-05 thomas struct got_object_id *my_id = my_ref->data;
495 4064588e 2021-10-17 thomas if (got_object_id_cmp(my_id, their_id) != 0) {
496 4064588e 2021-10-17 thomas if (!overwrite_refs && is_tag) {
497 4064588e 2021-10-17 thomas err = got_error_fmt(
498 4064588e 2021-10-17 thomas GOT_ERR_SEND_TAG_EXISTS,
499 4064588e 2021-10-17 thomas "%s", refname);
500 4064588e 2021-10-17 thomas goto done;
502 c2105d00 2021-09-14 stsp refs_to_send++;
506 f8a36e22 2021-08-26 stsp /* Check if their object exists locally. */
507 f8a36e22 2021-08-26 stsp err = got_object_open(&obj, repo, their_id);
509 f8a36e22 2021-08-26 stsp if (err->code != GOT_ERR_NO_OBJ)
511 f8a36e22 2021-08-26 stsp if (!overwrite_refs && my_ref != NULL) {
512 f8a36e22 2021-08-26 stsp err = got_error_fmt(GOT_ERR_SEND_ANCESTRY,
513 f8a36e22 2021-08-26 stsp "%s", refname);
516 f8a36e22 2021-08-26 stsp have_their_id = 0;
518 f8a36e22 2021-08-26 stsp got_object_close(obj);
519 f8a36e22 2021-08-26 stsp have_their_id = 1;
522 535e07c7 2021-08-29 naddy err = realloc_ids(&their_ids, &nalloc_theirs, ntheirs + 1);
526 f8a36e22 2021-08-26 stsp if (have_their_id) {
527 f8a36e22 2021-08-26 stsp /* Enforce linear ancestry if required. */
528 f8a36e22 2021-08-26 stsp if (!overwrite_refs && my_ref && !is_tag) {
529 4ac84380 2023-07-05 thomas struct got_object_id *my_id = my_ref->data;
530 38bad86b 2023-04-22 thomas err = check_common_ancestry(refname, my_id,
531 f8a36e22 2021-08-26 stsp their_id, repo, cancel_cb, cancel_arg);
535 f8a36e22 2021-08-26 stsp /* Exclude any objects reachable via their ID. */
536 4ac84380 2023-07-05 thomas their_ids[ntheirs] = their_id;
538 f8a36e22 2021-08-26 stsp } else if (!is_tag) {
539 f8a36e22 2021-08-26 stsp char *remote_refname;
540 f8a36e22 2021-08-26 stsp struct got_reference *ref;
542 f8a36e22 2021-08-26 stsp * Exclude any objects which exist on the server
543 f8a36e22 2021-08-26 stsp * according to a locally cached remote reference.
545 f8a36e22 2021-08-26 stsp err = get_remote_refname(&remote_refname,
546 f8a36e22 2021-08-26 stsp remote_name, refname);
549 f8a36e22 2021-08-26 stsp err = got_ref_open(&ref, repo, remote_refname, 0);
550 f8a36e22 2021-08-26 stsp free(remote_refname);
552 f8a36e22 2021-08-26 stsp if (err->code != GOT_ERR_NOT_REF)
555 f8a36e22 2021-08-26 stsp err = got_ref_resolve(&their_ids[ntheirs],
556 f8a36e22 2021-08-26 stsp repo, ref);
557 f8a36e22 2021-08-26 stsp got_ref_close(ref);
565 f8a36e22 2021-08-26 stsp /* Account for any new references we are going to upload. */
566 4ac84380 2023-07-05 thomas TAILQ_FOREACH(pe, &have_refs, entry) {
567 4ac84380 2023-07-05 thomas const char *refname = pe->path;
568 4ac84380 2023-07-05 thomas if (find_ref(&their_refs, refname) == NULL)
569 f8a36e22 2021-08-26 stsp refs_to_send++;
572 1bd76734 2021-08-26 stsp /* Account for any existing references we are going to delete. */
573 1bd76734 2021-08-26 stsp TAILQ_FOREACH(pe, delete_branches, entry) {
574 1bd76734 2021-08-26 stsp const char *branchname = pe->path;
575 4ac84380 2023-07-05 thomas if (find_ref(&their_refs, branchname))
576 27b75514 2021-08-28 stsp refs_to_delete++;
579 27b75514 2021-08-28 stsp if (refs_to_send == 0 && refs_to_delete == 0) {
580 f8a36e22 2021-08-26 stsp got_privsep_send_stop(imsg_sendfds[0]);
584 27b75514 2021-08-28 stsp if (refs_to_send > 0) {
585 abd46894 2022-10-18 thomas struct got_ratelimit rl;
586 abd46894 2022-10-18 thomas got_ratelimit_init(&rl, 0, 500);
587 27b75514 2021-08-28 stsp memset(&ppa, 0, sizeof(ppa));
588 27b75514 2021-08-28 stsp ppa.progress_cb = progress_cb;
589 27b75514 2021-08-28 stsp ppa.progress_arg = progress_arg;
590 05fa7118 2022-10-16 thomas err = got_pack_create(packsha1, packfd, delta_cache,
591 6c69e5ab 2023-02-20 thomas their_ids, ntheirs, our_ids, nours, repo, 0, 1, 0,
592 abd46894 2022-10-18 thomas pack_progress, &ppa, &rl, cancel_cb, cancel_arg);
596 20a7d452 2022-10-16 thomas npackfd = dup(packfd);
597 27b75514 2021-08-28 stsp if (npackfd == -1) {
598 27b75514 2021-08-28 stsp err = got_error_from_errno("dup");
601 27b75514 2021-08-28 stsp err = got_privsep_send_packfd(&sendibuf, npackfd);
602 27b75514 2021-08-28 stsp if (err != NULL)
604 27b75514 2021-08-28 stsp npackfd = -1;
606 27b75514 2021-08-28 stsp err = got_privsep_send_packfd(&sendibuf, -1);
607 27b75514 2021-08-28 stsp if (err != NULL)
611 f8a36e22 2021-08-26 stsp while (!done) {
612 f8a36e22 2021-08-26 stsp int success = 0;
613 f8a36e22 2021-08-26 stsp char *refname = NULL;
614 3fe5d0fe 2022-11-17 thomas char *errmsg = NULL;
616 f8a36e22 2021-08-26 stsp if (cancel_cb) {
617 f8a36e22 2021-08-26 stsp err = (*cancel_cb)(cancel_arg);
621 f8a36e22 2021-08-26 stsp err = got_privsep_recv_send_progress(&done, &bytes_sent,
622 3fe5d0fe 2022-11-17 thomas &success, &refname, &errmsg, &sendibuf);
625 f8a36e22 2021-08-26 stsp if (refname && got_ref_name_is_valid(refname) && success &&
626 f8a36e22 2021-08-26 stsp strncmp(refname, "refs/tags/", 10) != 0) {
627 4ac84380 2023-07-05 thomas struct got_pathlist_entry *my_ref;
629 f8a36e22 2021-08-26 stsp * The server has accepted our changes.
630 f8a36e22 2021-08-26 stsp * Update our reference in refs/remotes/ accordingly.
632 4ac84380 2023-07-05 thomas my_ref = find_ref(&have_refs, refname);
633 f8a36e22 2021-08-26 stsp if (my_ref) {
634 f8a36e22 2021-08-26 stsp err = update_remote_ref(my_ref, remote_name,
640 f8a36e22 2021-08-26 stsp if (refname != NULL ||
641 f8a36e22 2021-08-26 stsp bytes_sent_cur != bytes_sent) {
642 85220b0e 2022-03-22 thomas err = progress_cb(progress_arg, ppa.ncolored,
643 85220b0e 2022-03-22 thomas ppa.nfound, ppa.ntrees, ppa.packfile_size,
644 f8a36e22 2021-08-26 stsp ppa.ncommits, ppa.nobj_total, ppa.nobj_deltify,
645 f8a36e22 2021-08-26 stsp ppa.nobj_written, bytes_sent,
646 3fe5d0fe 2022-11-17 thomas refname, errmsg, success);
648 f8a36e22 2021-08-26 stsp free(refname);
649 3fe5d0fe 2022-11-17 thomas free(errmsg);
652 f8a36e22 2021-08-26 stsp bytes_sent_cur = bytes_sent;
654 f8a36e22 2021-08-26 stsp free(refname);
655 3fe5d0fe 2022-11-17 thomas free(errmsg);
658 f8a36e22 2021-08-26 stsp if (sendpid != -1) {
660 f8a36e22 2021-08-26 stsp got_privsep_send_stop(imsg_sendfds[0]);
661 f8a36e22 2021-08-26 stsp if (waitpid(sendpid, &sendstatus, 0) == -1 && err == NULL)
662 f8a36e22 2021-08-26 stsp err = got_error_from_errno("waitpid");
664 20a7d452 2022-10-16 thomas if (packfd != -1 && close(packfd) == -1 && err == NULL)
665 20a7d452 2022-10-16 thomas err = got_error_from_errno("close");
666 05fa7118 2022-10-16 thomas if (delta_cache && fclose(delta_cache) == EOF && err == NULL)
667 05fa7118 2022-10-16 thomas err = got_error_from_errno("fclose");
668 f8a36e22 2021-08-26 stsp if (nsendfd != -1 && close(nsendfd) == -1 && err == NULL)
669 f8a36e22 2021-08-26 stsp err = got_error_from_errno("close");
670 f8a36e22 2021-08-26 stsp if (npackfd != -1 && close(npackfd) == -1 && err == NULL)
671 f8a36e22 2021-08-26 stsp err = got_error_from_errno("close");
673 4ac84380 2023-07-05 thomas got_pathlist_free(&have_refs, GOT_PATHLIST_FREE_ALL);
674 4ac84380 2023-07-05 thomas got_pathlist_free(&their_refs, GOT_PATHLIST_FREE_ALL);
676 4ac84380 2023-07-05 thomas * Object ids are owned by have_refs/their_refs and are already freed;
677 4ac84380 2023-07-05 thomas * Only the arrays must be freed.
679 f8a36e22 2021-08-26 stsp free(our_ids);
680 f8a36e22 2021-08-26 stsp free(their_ids);
682 f8a36e22 2021-08-26 stsp return err;
