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>
5 f8a36e22 2021-08-26 stsp * Permission to use, copy, modify, and distribute this software for any
6 f8a36e22 2021-08-26 stsp * purpose with or without fee is hereby granted, provided that the above
7 f8a36e22 2021-08-26 stsp * copyright notice and this permission notice appear in all copies.
9 f8a36e22 2021-08-26 stsp * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 f8a36e22 2021-08-26 stsp * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 f8a36e22 2021-08-26 stsp * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 f8a36e22 2021-08-26 stsp * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 f8a36e22 2021-08-26 stsp * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 f8a36e22 2021-08-26 stsp * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 f8a36e22 2021-08-26 stsp * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 f8a36e22 2021-08-26 stsp #include <sys/types.h>
19 f8a36e22 2021-08-26 stsp #include <sys/stat.h>
20 f8a36e22 2021-08-26 stsp #include <sys/queue.h>
21 f8b19efd 2021-10-13 stsp #include <sys/tree.h>
22 f8a36e22 2021-08-26 stsp #include <sys/uio.h>
23 f8a36e22 2021-08-26 stsp #include <sys/socket.h>
24 f8a36e22 2021-08-26 stsp #include <sys/wait.h>
25 f8a36e22 2021-08-26 stsp #include <sys/resource.h>
26 f8a36e22 2021-08-26 stsp #include <sys/socket.h>
28 f8a36e22 2021-08-26 stsp #include <endian.h>
29 f8a36e22 2021-08-26 stsp #include <errno.h>
30 f8a36e22 2021-08-26 stsp #include <err.h>
31 f8a36e22 2021-08-26 stsp #include <fcntl.h>
32 f8a36e22 2021-08-26 stsp #include <stdio.h>
33 f8a36e22 2021-08-26 stsp #include <stdlib.h>
34 f8a36e22 2021-08-26 stsp #include <string.h>
35 f8a36e22 2021-08-26 stsp #include <stdint.h>
36 f8a36e22 2021-08-26 stsp #include <sha1.h>
37 e83f12a6 2023-02-12 op #include <sha2.h>
38 f8a36e22 2021-08-26 stsp #include <unistd.h>
39 f8a36e22 2021-08-26 stsp #include <zlib.h>
40 f8a36e22 2021-08-26 stsp #include <ctype.h>
41 f8a36e22 2021-08-26 stsp #include <limits.h>
42 f8a36e22 2021-08-26 stsp #include <imsg.h>
43 f8a36e22 2021-08-26 stsp #include <time.h>
44 f8a36e22 2021-08-26 stsp #include <uuid.h>
46 f8a36e22 2021-08-26 stsp #include "got_error.h"
47 f8a36e22 2021-08-26 stsp #include "got_reference.h"
48 f8a36e22 2021-08-26 stsp #include "got_repository.h"
49 f8a36e22 2021-08-26 stsp #include "got_path.h"
50 f8a36e22 2021-08-26 stsp #include "got_cancel.h"
51 f8a36e22 2021-08-26 stsp #include "got_worktree.h"
52 f8a36e22 2021-08-26 stsp #include "got_object.h"
53 f8a36e22 2021-08-26 stsp #include "got_opentemp.h"
54 f8a36e22 2021-08-26 stsp #include "got_send.h"
55 f8a36e22 2021-08-26 stsp #include "got_repository_admin.h"
56 f8a36e22 2021-08-26 stsp #include "got_commit_graph.h"
58 f8a36e22 2021-08-26 stsp #include "got_lib_delta.h"
59 f8a36e22 2021-08-26 stsp #include "got_lib_inflate.h"
60 f8a36e22 2021-08-26 stsp #include "got_lib_object.h"
61 f8a36e22 2021-08-26 stsp #include "got_lib_object_parse.h"
62 f8a36e22 2021-08-26 stsp #include "got_lib_object_create.h"
63 f8a36e22 2021-08-26 stsp #include "got_lib_pack.h"
64 4123af3c 2023-02-12 op #include "got_lib_hash.h"
65 f8a36e22 2021-08-26 stsp #include "got_lib_privsep.h"
66 f8a36e22 2021-08-26 stsp #include "got_lib_object_cache.h"
67 f8a36e22 2021-08-26 stsp #include "got_lib_repository.h"
68 cae60ab8 2022-10-18 stsp #include "got_lib_ratelimit.h"
69 f8a36e22 2021-08-26 stsp #include "got_lib_pack_create.h"
70 d65a88a2 2021-09-05 stsp #include "got_lib_dial.h"
72 f8a36e22 2021-08-26 stsp #ifndef nitems
73 f8a36e22 2021-08-26 stsp #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
76 f8a36e22 2021-08-26 stsp #ifndef ssizeof
77 f8a36e22 2021-08-26 stsp #define ssizeof(_x) ((ssize_t)(sizeof(_x)))
81 f8a36e22 2021-08-26 stsp #define MIN(_a,_b) ((_a) < (_b) ? (_a) : (_b))
84 f8a36e22 2021-08-26 stsp const struct got_error *
85 f8a36e22 2021-08-26 stsp got_send_connect(pid_t *sendpid, int *sendfd, const char *proto,
86 f8a36e22 2021-08-26 stsp const char *host, const char *port, const char *server_path, int verbosity)
88 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
90 f8a36e22 2021-08-26 stsp *sendpid = -1;
91 f8a36e22 2021-08-26 stsp *sendfd = -1;
93 f8a36e22 2021-08-26 stsp if (strcmp(proto, "ssh") == 0 || strcmp(proto, "git+ssh") == 0)
94 d65a88a2 2021-09-05 stsp err = got_dial_ssh(sendpid, sendfd, host, port, server_path,
95 d65a88a2 2021-09-05 stsp GOT_DIAL_DIRECTION_SEND, verbosity);
96 f8a36e22 2021-08-26 stsp else if (strcmp(proto, "git") == 0)
97 d65a88a2 2021-09-05 stsp err = got_dial_git(sendfd, host, port, server_path,
98 d65a88a2 2021-09-05 stsp GOT_DIAL_DIRECTION_SEND);
99 f8a36e22 2021-08-26 stsp else if (strcmp(proto, "http") == 0 || strcmp(proto, "git+http") == 0)
100 f8a36e22 2021-08-26 stsp err = got_error_path(proto, GOT_ERR_NOT_IMPL);
102 f8a36e22 2021-08-26 stsp err = got_error_path(proto, GOT_ERR_BAD_PROTO);
103 f8a36e22 2021-08-26 stsp return err;
106 f8a36e22 2021-08-26 stsp struct pack_progress_arg {
107 f8a36e22 2021-08-26 stsp got_send_progress_cb progress_cb;
108 f8a36e22 2021-08-26 stsp void *progress_arg;
110 b8af7c06 2022-03-15 stsp int ncolored;
111 b8af7c06 2022-03-15 stsp int nfound;
112 b8af7c06 2022-03-15 stsp int ntrees;
113 f8a36e22 2021-08-26 stsp off_t packfile_size;
114 f8a36e22 2021-08-26 stsp int ncommits;
115 f8a36e22 2021-08-26 stsp int nobj_total;
116 f8a36e22 2021-08-26 stsp int nobj_deltify;
117 f8a36e22 2021-08-26 stsp int nobj_written;
120 f8a36e22 2021-08-26 stsp static const struct got_error *
121 b8af7c06 2022-03-15 stsp pack_progress(void *arg, int ncolored, int nfound, int ntrees,
122 b8af7c06 2022-03-15 stsp off_t packfile_size, int ncommits, int nobj_total, int nobj_deltify,
123 b8af7c06 2022-03-15 stsp int nobj_written)
125 f8a36e22 2021-08-26 stsp const struct got_error *err;
126 f8a36e22 2021-08-26 stsp struct pack_progress_arg *a = arg;
128 b8af7c06 2022-03-15 stsp err = a->progress_cb(a->progress_arg, ncolored, nfound, ntrees,
129 b8af7c06 2022-03-15 stsp packfile_size, ncommits, nobj_total, nobj_deltify,
130 6242c45b 2022-11-14 op nobj_written, 0, NULL, NULL, 0);
132 f8a36e22 2021-08-26 stsp return err;
134 b8af7c06 2022-03-15 stsp a->ncolored= ncolored;
135 b8af7c06 2022-03-15 stsp a->nfound = nfound;
136 b8af7c06 2022-03-15 stsp a->ntrees = ntrees;
137 f8a36e22 2021-08-26 stsp a->packfile_size = packfile_size;
138 f8a36e22 2021-08-26 stsp a->ncommits = ncommits;
139 f8a36e22 2021-08-26 stsp a->nobj_total = nobj_total;
140 f8a36e22 2021-08-26 stsp a->nobj_deltify = nobj_deltify;
141 f8a36e22 2021-08-26 stsp a->nobj_written = nobj_written;
142 f8a36e22 2021-08-26 stsp return NULL;
145 f8a36e22 2021-08-26 stsp static const struct got_error *
146 f8a36e22 2021-08-26 stsp insert_ref(struct got_reflist_head *refs, const char *refname,
147 f8a36e22 2021-08-26 stsp struct got_repository *repo)
149 f8a36e22 2021-08-26 stsp const struct got_error *err;
150 f8a36e22 2021-08-26 stsp struct got_reference *ref;
151 f8a36e22 2021-08-26 stsp struct got_reflist_entry *new;
153 f8a36e22 2021-08-26 stsp err = got_ref_open(&ref, repo, refname, 0);
155 f8a36e22 2021-08-26 stsp return err;
157 f8a36e22 2021-08-26 stsp err = got_reflist_insert(&new, refs, ref, got_ref_cmp_by_name, NULL);
158 f8a36e22 2021-08-26 stsp if (err || new == NULL /* duplicate */)
159 f8a36e22 2021-08-26 stsp got_ref_close(ref);
161 f8a36e22 2021-08-26 stsp return err;
164 f8a36e22 2021-08-26 stsp static const struct got_error *
165 f8a36e22 2021-08-26 stsp check_linear_ancestry(const char *refname, struct got_object_id *my_id,
166 f8a36e22 2021-08-26 stsp struct got_object_id *their_id, struct got_repository *repo,
167 f8a36e22 2021-08-26 stsp got_cancel_cb cancel_cb, void *cancel_arg)
169 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
170 f8a36e22 2021-08-26 stsp struct got_object_id *yca_id;
171 f8a36e22 2021-08-26 stsp int obj_type;
173 f8a36e22 2021-08-26 stsp err = got_object_get_type(&obj_type, repo, their_id);
175 f8a36e22 2021-08-26 stsp return err;
176 f8a36e22 2021-08-26 stsp if (obj_type != GOT_OBJ_TYPE_COMMIT)
177 f8a36e22 2021-08-26 stsp return got_error_fmt(GOT_ERR_OBJ_TYPE,
178 f8a36e22 2021-08-26 stsp "bad object type on server for %s", refname);
180 f8a36e22 2021-08-26 stsp err = got_commit_graph_find_youngest_common_ancestor(&yca_id,
181 4e91ef15 2021-09-26 stsp my_id, their_id, 1, repo, cancel_cb, cancel_arg);
183 f8a36e22 2021-08-26 stsp return err;
184 f8a36e22 2021-08-26 stsp if (yca_id == NULL)
185 f8a36e22 2021-08-26 stsp return got_error_fmt(GOT_ERR_SEND_ANCESTRY, "%s", refname);
188 f8a36e22 2021-08-26 stsp * Require a straight line of history between the two commits,
189 f8a36e22 2021-08-26 stsp * with their commit being older than my commit.
191 f8a36e22 2021-08-26 stsp * Non-linear situations such as this require a rebase:
193 f8a36e22 2021-08-26 stsp * (theirs) D F (mine)
201 f8a36e22 2021-08-26 stsp if (got_object_id_cmp(their_id, yca_id) != 0)
202 f8a36e22 2021-08-26 stsp err = got_error_fmt(GOT_ERR_SEND_ANCESTRY, "%s", refname);
204 f8a36e22 2021-08-26 stsp free(yca_id);
205 f8a36e22 2021-08-26 stsp return err;
208 f8a36e22 2021-08-26 stsp static const struct got_error *
209 f8a36e22 2021-08-26 stsp realloc_ids(struct got_object_id ***ids, size_t *nalloc, size_t n)
211 f8a36e22 2021-08-26 stsp struct got_object_id **new;
212 f8a36e22 2021-08-26 stsp const size_t alloc_chunksz = 256;
214 535e07c7 2021-08-29 naddy if (*nalloc >= n)
215 f8a36e22 2021-08-26 stsp return NULL;
217 f8a36e22 2021-08-26 stsp new = recallocarray(*ids, *nalloc, *nalloc + alloc_chunksz,
218 f8a36e22 2021-08-26 stsp sizeof(struct got_object_id));
219 f8a36e22 2021-08-26 stsp if (new == NULL)
220 f8a36e22 2021-08-26 stsp return got_error_from_errno("recallocarray");
222 f8a36e22 2021-08-26 stsp *ids = new;
223 f8a36e22 2021-08-26 stsp *nalloc += alloc_chunksz;
224 f8a36e22 2021-08-26 stsp return NULL;
227 f8a36e22 2021-08-26 stsp static struct got_reference *
228 f8a36e22 2021-08-26 stsp find_ref(struct got_reflist_head *refs, const char *refname)
230 f8a36e22 2021-08-26 stsp struct got_reflist_entry *re;
232 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(re, refs, entry) {
233 f8a36e22 2021-08-26 stsp if (got_path_cmp(got_ref_get_name(re->ref), refname,
234 f8a36e22 2021-08-26 stsp strlen(got_ref_get_name(re->ref)),
235 f8a36e22 2021-08-26 stsp strlen(refname)) == 0) {
236 f8a36e22 2021-08-26 stsp return re->ref;
240 f8a36e22 2021-08-26 stsp return NULL;
243 f8a36e22 2021-08-26 stsp static struct got_pathlist_entry *
244 f8a36e22 2021-08-26 stsp find_their_ref(struct got_pathlist_head *their_refs, const char *refname)
246 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *pe;
248 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, their_refs, entry) {
249 f8a36e22 2021-08-26 stsp const char *their_refname = pe->path;
250 f8a36e22 2021-08-26 stsp if (got_path_cmp(their_refname, refname,
251 f8a36e22 2021-08-26 stsp strlen(their_refname), strlen(refname)) == 0) {
256 f8a36e22 2021-08-26 stsp return NULL;
259 f8a36e22 2021-08-26 stsp static const struct got_error *
260 f8a36e22 2021-08-26 stsp get_remote_refname(char **remote_refname, const char *remote_name,
261 f8a36e22 2021-08-26 stsp const char *refname)
263 f8a36e22 2021-08-26 stsp if (strncmp(refname, "refs/", 5) == 0)
264 f8a36e22 2021-08-26 stsp refname += 5;
265 f8a36e22 2021-08-26 stsp if (strncmp(refname, "heads/", 6) == 0)
266 f8a36e22 2021-08-26 stsp refname += 6;
268 f8a36e22 2021-08-26 stsp if (asprintf(remote_refname, "refs/remotes/%s/%s",
269 f8a36e22 2021-08-26 stsp remote_name, refname) == -1)
270 f8a36e22 2021-08-26 stsp return got_error_from_errno("asprintf");
272 f8a36e22 2021-08-26 stsp return NULL;
275 f8a36e22 2021-08-26 stsp static const struct got_error *
276 f8a36e22 2021-08-26 stsp update_remote_ref(struct got_reference *my_ref, const char *remote_name,
277 f8a36e22 2021-08-26 stsp struct got_repository *repo)
279 f8a36e22 2021-08-26 stsp const struct got_error *err, *unlock_err;
280 f8a36e22 2021-08-26 stsp struct got_object_id *my_id;
281 f8a36e22 2021-08-26 stsp struct got_reference *ref = NULL;
282 f8a36e22 2021-08-26 stsp char *remote_refname = NULL;
283 f8a36e22 2021-08-26 stsp int ref_locked = 0;
285 f8a36e22 2021-08-26 stsp err = got_ref_resolve(&my_id, repo, my_ref);
287 f8a36e22 2021-08-26 stsp return err;
289 f8a36e22 2021-08-26 stsp err = get_remote_refname(&remote_refname, remote_name,
290 f8a36e22 2021-08-26 stsp got_ref_get_name(my_ref));
294 f8a36e22 2021-08-26 stsp err = got_ref_open(&ref, repo, remote_refname, 1 /* lock */);
296 f8a36e22 2021-08-26 stsp if (err->code != GOT_ERR_NOT_REF)
298 f8a36e22 2021-08-26 stsp err = got_ref_alloc(&ref, remote_refname, my_id);
302 f8a36e22 2021-08-26 stsp ref_locked = 1;
303 f8a36e22 2021-08-26 stsp err = got_ref_change_ref(ref, my_id);
308 f8a36e22 2021-08-26 stsp err = got_ref_write(ref, repo);
311 f8a36e22 2021-08-26 stsp if (ref_locked) {
312 f8a36e22 2021-08-26 stsp unlock_err = got_ref_unlock(ref);
313 f8a36e22 2021-08-26 stsp if (unlock_err && err == NULL)
314 f8a36e22 2021-08-26 stsp err = unlock_err;
316 f8a36e22 2021-08-26 stsp got_ref_close(ref);
318 f8a36e22 2021-08-26 stsp free(my_id);
319 f8a36e22 2021-08-26 stsp free(remote_refname);
320 f8a36e22 2021-08-26 stsp return err;
323 f8a36e22 2021-08-26 stsp const struct got_error*
324 f8a36e22 2021-08-26 stsp got_send_pack(const char *remote_name, struct got_pathlist_head *branch_names,
325 f8a36e22 2021-08-26 stsp struct got_pathlist_head *tag_names,
326 f8a36e22 2021-08-26 stsp struct got_pathlist_head *delete_branches,
327 f8a36e22 2021-08-26 stsp int verbosity, int overwrite_refs, int sendfd,
328 f8a36e22 2021-08-26 stsp struct got_repository *repo, got_send_progress_cb progress_cb,
329 f8a36e22 2021-08-26 stsp void *progress_arg, got_cancel_cb cancel_cb, void *cancel_arg)
331 f8a36e22 2021-08-26 stsp int imsg_sendfds[2];
332 f8a36e22 2021-08-26 stsp int npackfd = -1, nsendfd = -1;
333 f8a36e22 2021-08-26 stsp int sendstatus, done = 0;
334 f8a36e22 2021-08-26 stsp const struct got_error *err;
335 f8a36e22 2021-08-26 stsp struct imsgbuf sendibuf;
336 f8a36e22 2021-08-26 stsp pid_t sendpid = -1;
337 f8a36e22 2021-08-26 stsp struct got_reflist_head refs;
338 f8a36e22 2021-08-26 stsp struct got_pathlist_head have_refs;
339 f8a36e22 2021-08-26 stsp struct got_pathlist_head their_refs;
340 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *pe;
341 f8a36e22 2021-08-26 stsp struct got_reflist_entry *re;
342 f8a36e22 2021-08-26 stsp struct got_object_id **our_ids = NULL;
343 f8a36e22 2021-08-26 stsp struct got_object_id **their_ids = NULL;
344 f8a36e22 2021-08-26 stsp int i, nours = 0, ntheirs = 0;
345 f8a36e22 2021-08-26 stsp size_t nalloc_ours = 0, nalloc_theirs = 0;
346 27b75514 2021-08-28 stsp int refs_to_send = 0, refs_to_delete = 0;
347 c46eda88 2022-07-21 florian off_t bytes_sent = 0, bytes_sent_cur = 0;
348 f8a36e22 2021-08-26 stsp struct pack_progress_arg ppa;
349 f8a36e22 2021-08-26 stsp uint8_t packsha1[SHA1_DIGEST_LENGTH];
350 894e4711 2022-10-15 stsp int packfd = -1;
351 a32780aa 2022-10-15 stsp FILE *delta_cache = NULL;
353 f8a36e22 2021-08-26 stsp TAILQ_INIT(&refs);
354 f8a36e22 2021-08-26 stsp TAILQ_INIT(&have_refs);
355 f8a36e22 2021-08-26 stsp TAILQ_INIT(&their_refs);
357 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, branch_names, entry) {
358 f8a36e22 2021-08-26 stsp const char *branchname = pe->path;
359 f8a36e22 2021-08-26 stsp if (strncmp(branchname, "refs/heads/", 11) != 0) {
361 f8a36e22 2021-08-26 stsp if (asprintf(&s, "refs/heads/%s", branchname) == -1) {
362 f8a36e22 2021-08-26 stsp err = got_error_from_errno("asprintf");
365 f8a36e22 2021-08-26 stsp err = insert_ref(&refs, s, repo);
368 f8a36e22 2021-08-26 stsp err = insert_ref(&refs, branchname, repo);
374 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_branches, entry) {
375 f8a36e22 2021-08-26 stsp const char *branchname = pe->path;
376 f8a36e22 2021-08-26 stsp struct got_reference *ref;
377 f8a36e22 2021-08-26 stsp if (strncmp(branchname, "refs/heads/", 11) != 0) {
378 f8a36e22 2021-08-26 stsp err = got_error_fmt(GOT_ERR_SEND_DELETE_REF, "%s",
379 f8a36e22 2021-08-26 stsp branchname);
382 f8a36e22 2021-08-26 stsp ref = find_ref(&refs, branchname);
384 f8a36e22 2021-08-26 stsp err = got_error_fmt(GOT_ERR_SEND_DELETE_REF,
385 f8a36e22 2021-08-26 stsp "changes on %s will be sent to server",
386 f8a36e22 2021-08-26 stsp branchname);
391 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, tag_names, entry) {
392 f8a36e22 2021-08-26 stsp const char *tagname = pe->path;
393 f8a36e22 2021-08-26 stsp if (strncmp(tagname, "refs/tags/", 10) != 0) {
395 f8a36e22 2021-08-26 stsp if (asprintf(&s, "refs/tags/%s", tagname) == -1) {
396 f8a36e22 2021-08-26 stsp err = got_error_from_errno("asprintf");
399 f8a36e22 2021-08-26 stsp err = insert_ref(&refs, s, repo);
402 f8a36e22 2021-08-26 stsp err = insert_ref(&refs, tagname, repo);
408 f8a36e22 2021-08-26 stsp if (TAILQ_EMPTY(&refs) && TAILQ_EMPTY(delete_branches)) {
409 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_SEND_EMPTY);
413 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(re, &refs, entry) {
414 f8a36e22 2021-08-26 stsp struct got_object_id *id;
415 f8a36e22 2021-08-26 stsp int obj_type;
417 f8a36e22 2021-08-26 stsp if (got_ref_is_symbolic(re->ref)) {
418 f8a36e22 2021-08-26 stsp err = got_error_fmt(GOT_ERR_BAD_REF_TYPE,
419 f8a36e22 2021-08-26 stsp "cannot send symbolic reference %s",
420 f8a36e22 2021-08-26 stsp got_ref_get_name(re->ref));
424 f8a36e22 2021-08-26 stsp err = got_ref_resolve(&id, repo, re->ref);
427 f8a36e22 2021-08-26 stsp err = got_object_get_type(&obj_type, repo, id);
431 f8a36e22 2021-08-26 stsp switch (obj_type) {
432 f8a36e22 2021-08-26 stsp case GOT_OBJ_TYPE_COMMIT:
433 f8a36e22 2021-08-26 stsp case GOT_OBJ_TYPE_TAG:
436 f8a36e22 2021-08-26 stsp err = got_error_fmt(GOT_ERR_OBJ_TYPE,
437 f8a36e22 2021-08-26 stsp "cannot send %s", got_ref_get_name(re->ref));
442 894e4711 2022-10-15 stsp packfd = got_opentempfd();
443 894e4711 2022-10-15 stsp if (packfd == -1) {
444 894e4711 2022-10-15 stsp err = got_error_from_errno("got_opentempfd");
448 a32780aa 2022-10-15 stsp delta_cache = got_opentemp();
449 a32780aa 2022-10-15 stsp if (delta_cache == NULL) {
450 a32780aa 2022-10-15 stsp err = got_error_from_errno("got_opentemp");
454 f8a36e22 2021-08-26 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_sendfds) == -1) {
455 f8a36e22 2021-08-26 stsp err = got_error_from_errno("socketpair");
459 f8a36e22 2021-08-26 stsp sendpid = fork();
460 f8a36e22 2021-08-26 stsp if (sendpid == -1) {
461 f8a36e22 2021-08-26 stsp err = got_error_from_errno("fork");
463 f8a36e22 2021-08-26 stsp } else if (sendpid == 0){
464 f8a36e22 2021-08-26 stsp got_privsep_exec_child(imsg_sendfds,
465 f8a36e22 2021-08-26 stsp GOT_PATH_PROG_SEND_PACK, got_repo_get_path(repo));
468 f8a36e22 2021-08-26 stsp if (close(imsg_sendfds[1]) == -1) {
469 f8a36e22 2021-08-26 stsp err = got_error_from_errno("close");
472 f8a36e22 2021-08-26 stsp imsg_init(&sendibuf, imsg_sendfds[0]);
473 f8a36e22 2021-08-26 stsp nsendfd = dup(sendfd);
474 f8a36e22 2021-08-26 stsp if (nsendfd == -1) {
475 f8a36e22 2021-08-26 stsp err = got_error_from_errno("dup");
480 f8a36e22 2021-08-26 stsp * Convert reflist to pathlist since the privsep layer
481 f8a36e22 2021-08-26 stsp * is linked into helper programs which lack reference.c.
483 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(re, &refs, entry) {
484 f8a36e22 2021-08-26 stsp struct got_object_id *id;
485 f8a36e22 2021-08-26 stsp err = got_ref_resolve(&id, repo, re->ref);
488 f8a36e22 2021-08-26 stsp err = got_pathlist_append(&have_refs,
489 f8a36e22 2021-08-26 stsp got_ref_get_name(re->ref), id);
493 f8a36e22 2021-08-26 stsp * Also prepare the array of our object IDs which
494 f8a36e22 2021-08-26 stsp * will be needed for generating a pack file.
496 535e07c7 2021-08-29 naddy err = realloc_ids(&our_ids, &nalloc_ours, nours + 1);
499 f8a36e22 2021-08-26 stsp our_ids[nours] = id;
503 f8a36e22 2021-08-26 stsp err = got_privsep_send_send_req(&sendibuf, nsendfd, &have_refs,
504 f8a36e22 2021-08-26 stsp delete_branches, verbosity);
507 f8a36e22 2021-08-26 stsp nsendfd = -1;
509 f8a36e22 2021-08-26 stsp err = got_privsep_recv_send_remote_refs(&their_refs, &sendibuf);
514 f8a36e22 2021-08-26 stsp * Process references reported by the server.
515 f8a36e22 2021-08-26 stsp * Push appropriate object IDs onto the "their IDs" array.
516 f8a36e22 2021-08-26 stsp * This array will be used to exclude objects which already
517 f8a36e22 2021-08-26 stsp * exist on the server from our pack file.
519 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, &their_refs, entry) {
520 f8a36e22 2021-08-26 stsp const char *refname = pe->path;
521 f8a36e22 2021-08-26 stsp struct got_object_id *their_id = pe->data;
522 f8a36e22 2021-08-26 stsp int have_their_id;
523 f8a36e22 2021-08-26 stsp struct got_object *obj;
524 f8a36e22 2021-08-26 stsp struct got_reference *my_ref = NULL;
525 f8a36e22 2021-08-26 stsp int is_tag = 0;
527 f8a36e22 2021-08-26 stsp /* Don't blindly trust the server to send us valid names. */
528 f8a36e22 2021-08-26 stsp if (!got_ref_name_is_valid(refname))
531 92410079 2021-10-16 stsp if (strncmp(refname, "refs/tags/", 10) == 0)
532 92410079 2021-10-16 stsp is_tag = 1;
534 f8a36e22 2021-08-26 stsp * Find out whether this is a reference we want to upload.
535 f8a36e22 2021-08-26 stsp * Otherwise we can still use this reference as a hint to
536 f8a36e22 2021-08-26 stsp * avoid uploading any objects the server already has.
538 f8a36e22 2021-08-26 stsp my_ref = find_ref(&refs, refname);
539 f8a36e22 2021-08-26 stsp if (my_ref) {
540 c2105d00 2021-09-14 stsp struct got_object_id *my_id;
541 f8a36e22 2021-08-26 stsp err = got_ref_resolve(&my_id, repo, my_ref);
544 92410079 2021-10-16 stsp if (got_object_id_cmp(my_id, their_id) != 0) {
545 92410079 2021-10-16 stsp if (!overwrite_refs && is_tag) {
546 92410079 2021-10-16 stsp err = got_error_fmt(
547 92410079 2021-10-16 stsp GOT_ERR_SEND_TAG_EXISTS,
548 92410079 2021-10-16 stsp "%s", refname);
549 92410079 2021-10-16 stsp free(my_id);
552 c2105d00 2021-09-14 stsp refs_to_send++;
554 c2105d00 2021-09-14 stsp free(my_id);
557 f8a36e22 2021-08-26 stsp /* Check if their object exists locally. */
558 f8a36e22 2021-08-26 stsp err = got_object_open(&obj, repo, their_id);
560 f8a36e22 2021-08-26 stsp if (err->code != GOT_ERR_NO_OBJ)
562 f8a36e22 2021-08-26 stsp if (!overwrite_refs && my_ref != NULL) {
563 f8a36e22 2021-08-26 stsp err = got_error_fmt(GOT_ERR_SEND_ANCESTRY,
564 f8a36e22 2021-08-26 stsp "%s", refname);
567 f8a36e22 2021-08-26 stsp have_their_id = 0;
569 f8a36e22 2021-08-26 stsp got_object_close(obj);
570 f8a36e22 2021-08-26 stsp have_their_id = 1;
573 535e07c7 2021-08-29 naddy err = realloc_ids(&their_ids, &nalloc_theirs, ntheirs + 1);
577 f8a36e22 2021-08-26 stsp if (have_their_id) {
578 f8a36e22 2021-08-26 stsp /* Enforce linear ancestry if required. */
579 f8a36e22 2021-08-26 stsp if (!overwrite_refs && my_ref && !is_tag) {
580 f8a36e22 2021-08-26 stsp struct got_object_id *my_id;
581 f8a36e22 2021-08-26 stsp err = got_ref_resolve(&my_id, repo, my_ref);
584 f8a36e22 2021-08-26 stsp err = check_linear_ancestry(refname, my_id,
585 f8a36e22 2021-08-26 stsp their_id, repo, cancel_cb, cancel_arg);
586 f8a36e22 2021-08-26 stsp free(my_id);
587 f8a36e22 2021-08-26 stsp my_id = NULL;
591 f8a36e22 2021-08-26 stsp /* Exclude any objects reachable via their ID. */
592 f8a36e22 2021-08-26 stsp their_ids[ntheirs] = got_object_id_dup(their_id);
593 f8a36e22 2021-08-26 stsp if (their_ids[ntheirs] == NULL) {
594 f8a36e22 2021-08-26 stsp err = got_error_from_errno("got_object_id_dup");
598 f8a36e22 2021-08-26 stsp } else if (!is_tag) {
599 f8a36e22 2021-08-26 stsp char *remote_refname;
600 f8a36e22 2021-08-26 stsp struct got_reference *ref;
602 f8a36e22 2021-08-26 stsp * Exclude any objects which exist on the server
603 f8a36e22 2021-08-26 stsp * according to a locally cached remote reference.
605 f8a36e22 2021-08-26 stsp err = get_remote_refname(&remote_refname,
606 f8a36e22 2021-08-26 stsp remote_name, refname);
609 f8a36e22 2021-08-26 stsp err = got_ref_open(&ref, repo, remote_refname, 0);
610 f8a36e22 2021-08-26 stsp free(remote_refname);
612 f8a36e22 2021-08-26 stsp if (err->code != GOT_ERR_NOT_REF)
615 f8a36e22 2021-08-26 stsp err = got_ref_resolve(&their_ids[ntheirs],
616 f8a36e22 2021-08-26 stsp repo, ref);
617 f8a36e22 2021-08-26 stsp got_ref_close(ref);
625 f8a36e22 2021-08-26 stsp /* Account for any new references we are going to upload. */
626 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(re, &refs, entry) {
627 f8a36e22 2021-08-26 stsp if (find_their_ref(&their_refs,
628 f8a36e22 2021-08-26 stsp got_ref_get_name(re->ref)) == NULL)
629 f8a36e22 2021-08-26 stsp refs_to_send++;
632 1bd76734 2021-08-26 stsp /* Account for any existing references we are going to delete. */
633 1bd76734 2021-08-26 stsp TAILQ_FOREACH(pe, delete_branches, entry) {
634 1bd76734 2021-08-26 stsp const char *branchname = pe->path;
635 1bd76734 2021-08-26 stsp if (find_their_ref(&their_refs, branchname))
636 27b75514 2021-08-28 stsp refs_to_delete++;
639 27b75514 2021-08-28 stsp if (refs_to_send == 0 && refs_to_delete == 0) {
640 f8a36e22 2021-08-26 stsp got_privsep_send_stop(imsg_sendfds[0]);
644 27b75514 2021-08-28 stsp if (refs_to_send > 0) {
645 cae60ab8 2022-10-18 stsp struct got_ratelimit rl;
646 cae60ab8 2022-10-18 stsp got_ratelimit_init(&rl, 0, 500);
647 27b75514 2021-08-28 stsp memset(&ppa, 0, sizeof(ppa));
648 27b75514 2021-08-28 stsp ppa.progress_cb = progress_cb;
649 27b75514 2021-08-28 stsp ppa.progress_arg = progress_arg;
650 a32780aa 2022-10-15 stsp err = got_pack_create(packsha1, packfd, delta_cache,
651 a32780aa 2022-10-15 stsp their_ids, ntheirs, our_ids, nours, repo, 0, 1,
652 cae60ab8 2022-10-18 stsp pack_progress, &ppa, &rl, cancel_cb, cancel_arg);
656 894e4711 2022-10-15 stsp npackfd = dup(packfd);
657 27b75514 2021-08-28 stsp if (npackfd == -1) {
658 27b75514 2021-08-28 stsp err = got_error_from_errno("dup");
661 27b75514 2021-08-28 stsp err = got_privsep_send_packfd(&sendibuf, npackfd);
662 27b75514 2021-08-28 stsp if (err != NULL)
664 27b75514 2021-08-28 stsp npackfd = -1;
666 27b75514 2021-08-28 stsp err = got_privsep_send_packfd(&sendibuf, -1);
667 27b75514 2021-08-28 stsp if (err != NULL)
671 f8a36e22 2021-08-26 stsp while (!done) {
672 f8a36e22 2021-08-26 stsp int success = 0;
673 f8a36e22 2021-08-26 stsp char *refname = NULL;
674 6242c45b 2022-11-14 op char *errmsg = NULL;
676 f8a36e22 2021-08-26 stsp if (cancel_cb) {
677 f8a36e22 2021-08-26 stsp err = (*cancel_cb)(cancel_arg);
681 f8a36e22 2021-08-26 stsp err = got_privsep_recv_send_progress(&done, &bytes_sent,
682 6242c45b 2022-11-14 op &success, &refname, &errmsg, &sendibuf);
685 f8a36e22 2021-08-26 stsp if (refname && got_ref_name_is_valid(refname) && success &&
686 f8a36e22 2021-08-26 stsp strncmp(refname, "refs/tags/", 10) != 0) {
687 f8a36e22 2021-08-26 stsp struct got_reference *my_ref;
689 f8a36e22 2021-08-26 stsp * The server has accepted our changes.
690 f8a36e22 2021-08-26 stsp * Update our reference in refs/remotes/ accordingly.
692 f8a36e22 2021-08-26 stsp my_ref = find_ref(&refs, refname);
693 f8a36e22 2021-08-26 stsp if (my_ref) {
694 f8a36e22 2021-08-26 stsp err = update_remote_ref(my_ref, remote_name,
700 f8a36e22 2021-08-26 stsp if (refname != NULL ||
701 f8a36e22 2021-08-26 stsp bytes_sent_cur != bytes_sent) {
702 b8af7c06 2022-03-15 stsp err = progress_cb(progress_arg, ppa.ncolored,
703 b8af7c06 2022-03-15 stsp ppa.nfound, ppa.ntrees, ppa.packfile_size,
704 f8a36e22 2021-08-26 stsp ppa.ncommits, ppa.nobj_total, ppa.nobj_deltify,
705 f8a36e22 2021-08-26 stsp ppa.nobj_written, bytes_sent,
706 6242c45b 2022-11-14 op refname, errmsg, success);
708 f8a36e22 2021-08-26 stsp free(refname);
709 6242c45b 2022-11-14 op free(errmsg);
712 f8a36e22 2021-08-26 stsp bytes_sent_cur = bytes_sent;
714 f8a36e22 2021-08-26 stsp free(refname);
715 6242c45b 2022-11-14 op free(errmsg);
718 f8a36e22 2021-08-26 stsp if (sendpid != -1) {
720 f8a36e22 2021-08-26 stsp got_privsep_send_stop(imsg_sendfds[0]);
721 f8a36e22 2021-08-26 stsp if (waitpid(sendpid, &sendstatus, 0) == -1 && err == NULL)
722 f8a36e22 2021-08-26 stsp err = got_error_from_errno("waitpid");
724 894e4711 2022-10-15 stsp if (packfd != -1 && close(packfd) == -1 && err == NULL)
725 894e4711 2022-10-15 stsp err = got_error_from_errno("close");
726 a32780aa 2022-10-15 stsp if (delta_cache && fclose(delta_cache) == EOF && err == NULL)
727 a32780aa 2022-10-15 stsp err = got_error_from_errno("fclose");
728 f8a36e22 2021-08-26 stsp if (nsendfd != -1 && close(nsendfd) == -1 && err == NULL)
729 f8a36e22 2021-08-26 stsp err = got_error_from_errno("close");
730 f8a36e22 2021-08-26 stsp if (npackfd != -1 && close(npackfd) == -1 && err == NULL)
731 f8a36e22 2021-08-26 stsp err = got_error_from_errno("close");
733 f8a36e22 2021-08-26 stsp got_ref_list_free(&refs);
734 d8bacb93 2023-01-10 mark got_pathlist_free(&have_refs, GOT_PATHLIST_FREE_NONE);
735 d8bacb93 2023-01-10 mark got_pathlist_free(&their_refs, GOT_PATHLIST_FREE_NONE);
736 f8a36e22 2021-08-26 stsp for (i = 0; i < nours; i++)
737 f8a36e22 2021-08-26 stsp free(our_ids[i]);
738 f8a36e22 2021-08-26 stsp free(our_ids);
739 f8a36e22 2021-08-26 stsp for (i = 0; i < ntheirs; i++)
740 f8a36e22 2021-08-26 stsp free(their_ids[i]);
741 f8a36e22 2021-08-26 stsp free(their_ids);
742 f8a36e22 2021-08-26 stsp return err;
