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"
69 f8a36e22 2021-08-26 stsp #ifndef nitems
70 f8a36e22 2021-08-26 stsp #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
73 f8a36e22 2021-08-26 stsp #ifndef ssizeof
74 f8a36e22 2021-08-26 stsp #define ssizeof(_x) ((ssize_t)(sizeof(_x)))
78 f8a36e22 2021-08-26 stsp #define MIN(_a,_b) ((_a) < (_b) ? (_a) : (_b))
81 f8a36e22 2021-08-26 stsp const struct got_error *
82 f8a36e22 2021-08-26 stsp got_send_connect(pid_t *sendpid, int *sendfd, const char *proto,
83 f8a36e22 2021-08-26 stsp const char *host, const char *port, const char *server_path, int verbosity)
85 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
87 f8a36e22 2021-08-26 stsp *sendpid = -1;
88 f8a36e22 2021-08-26 stsp *sendfd = -1;
90 f8a36e22 2021-08-26 stsp if (strcmp(proto, "ssh") == 0 || strcmp(proto, "git+ssh") == 0)
91 d65a88a2 2021-09-05 stsp err = got_dial_ssh(sendpid, sendfd, host, port, server_path,
92 5769f9a0 2023-04-22 thomas GOT_DIAL_CMD_SEND, verbosity);
93 f8a36e22 2021-08-26 stsp else if (strcmp(proto, "git") == 0)
94 d65a88a2 2021-09-05 stsp err = got_dial_git(sendfd, host, port, server_path,
95 5769f9a0 2023-04-22 thomas GOT_DIAL_CMD_SEND);
96 f8a36e22 2021-08-26 stsp else if (strcmp(proto, "http") == 0 || strcmp(proto, "git+http") == 0)
97 f8a36e22 2021-08-26 stsp err = got_error_path(proto, GOT_ERR_NOT_IMPL);
99 f8a36e22 2021-08-26 stsp err = got_error_path(proto, GOT_ERR_BAD_PROTO);
100 f8a36e22 2021-08-26 stsp return err;
103 f8a36e22 2021-08-26 stsp struct pack_progress_arg {
104 f8a36e22 2021-08-26 stsp got_send_progress_cb progress_cb;
105 f8a36e22 2021-08-26 stsp void *progress_arg;
107 85220b0e 2022-03-22 thomas int ncolored;
108 85220b0e 2022-03-22 thomas int nfound;
109 85220b0e 2022-03-22 thomas int ntrees;
110 f8a36e22 2021-08-26 stsp off_t packfile_size;
111 f8a36e22 2021-08-26 stsp int ncommits;
112 f8a36e22 2021-08-26 stsp int nobj_total;
113 f8a36e22 2021-08-26 stsp int nobj_deltify;
114 f8a36e22 2021-08-26 stsp int nobj_written;
117 f8a36e22 2021-08-26 stsp static const struct got_error *
118 85220b0e 2022-03-22 thomas pack_progress(void *arg, int ncolored, int nfound, int ntrees,
119 85220b0e 2022-03-22 thomas off_t packfile_size, int ncommits, int nobj_total, int nobj_deltify,
120 85220b0e 2022-03-22 thomas int nobj_written)
122 f8a36e22 2021-08-26 stsp const struct got_error *err;
123 f8a36e22 2021-08-26 stsp struct pack_progress_arg *a = arg;
125 85220b0e 2022-03-22 thomas err = a->progress_cb(a->progress_arg, ncolored, nfound, ntrees,
126 85220b0e 2022-03-22 thomas packfile_size, ncommits, nobj_total, nobj_deltify,
127 3fe5d0fe 2022-11-17 thomas nobj_written, 0, NULL, NULL, 0);
129 f8a36e22 2021-08-26 stsp return err;
131 85220b0e 2022-03-22 thomas a->ncolored= ncolored;
132 85220b0e 2022-03-22 thomas a->nfound = nfound;
133 85220b0e 2022-03-22 thomas a->ntrees = ntrees;
134 f8a36e22 2021-08-26 stsp a->packfile_size = packfile_size;
135 f8a36e22 2021-08-26 stsp a->ncommits = ncommits;
136 f8a36e22 2021-08-26 stsp a->nobj_total = nobj_total;
137 f8a36e22 2021-08-26 stsp a->nobj_deltify = nobj_deltify;
138 f8a36e22 2021-08-26 stsp a->nobj_written = nobj_written;
139 f8a36e22 2021-08-26 stsp return NULL;
142 f8a36e22 2021-08-26 stsp static const struct got_error *
143 4ac84380 2023-07-05 thomas insert_sendable_ref(struct got_pathlist_head *refs, const char *refname,
144 f8a36e22 2021-08-26 stsp struct got_repository *repo)
146 f8a36e22 2021-08-26 stsp const struct got_error *err;
147 f8a36e22 2021-08-26 stsp struct got_reference *ref;
148 4ac84380 2023-07-05 thomas struct got_object_id *id = NULL;
149 4ac84380 2023-07-05 thomas int obj_type;
151 f8a36e22 2021-08-26 stsp err = got_ref_open(&ref, repo, refname, 0);
153 f8a36e22 2021-08-26 stsp return err;
155 4ac84380 2023-07-05 thomas if (got_ref_is_symbolic(ref)) {
156 4ac84380 2023-07-05 thomas err = got_error_fmt(GOT_ERR_BAD_REF_TYPE,
157 4ac84380 2023-07-05 thomas "cannot send symbolic reference %s", refname);
158 4ac84380 2023-07-05 thomas goto done;
161 4ac84380 2023-07-05 thomas err = got_ref_resolve(&id, repo, ref);
163 4ac84380 2023-07-05 thomas goto done;
164 4ac84380 2023-07-05 thomas err = got_object_get_type(&obj_type, repo, id);
166 4ac84380 2023-07-05 thomas goto done;
167 4ac84380 2023-07-05 thomas switch (obj_type) {
168 4ac84380 2023-07-05 thomas case GOT_OBJ_TYPE_COMMIT:
169 4ac84380 2023-07-05 thomas case GOT_OBJ_TYPE_TAG:
172 4ac84380 2023-07-05 thomas err = got_error_fmt(GOT_ERR_OBJ_TYPE," cannot send %s",
173 4ac84380 2023-07-05 thomas refname);
174 4ac84380 2023-07-05 thomas goto done;
177 4ac84380 2023-07-05 thomas err = got_pathlist_insert(NULL, refs, refname, id);
180 76e9b2be 2023-07-10 thomas got_ref_close(ref);
182 4ac84380 2023-07-05 thomas free(id);
183 f8a36e22 2021-08-26 stsp return err;
186 f8a36e22 2021-08-26 stsp static const struct got_error *
187 38bad86b 2023-04-22 thomas check_common_ancestry(const char *refname, struct got_object_id *my_id,
188 f8a36e22 2021-08-26 stsp struct got_object_id *their_id, struct got_repository *repo,
189 f8a36e22 2021-08-26 stsp got_cancel_cb cancel_cb, void *cancel_arg)
191 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
192 f8a36e22 2021-08-26 stsp struct got_object_id *yca_id;
193 f8a36e22 2021-08-26 stsp int obj_type;
195 f8a36e22 2021-08-26 stsp err = got_object_get_type(&obj_type, repo, their_id);
197 f8a36e22 2021-08-26 stsp return err;
198 f8a36e22 2021-08-26 stsp if (obj_type != GOT_OBJ_TYPE_COMMIT)
199 f8a36e22 2021-08-26 stsp return got_error_fmt(GOT_ERR_OBJ_TYPE,
200 f8a36e22 2021-08-26 stsp "bad object type on server for %s", refname);
202 f8a36e22 2021-08-26 stsp err = got_commit_graph_find_youngest_common_ancestor(&yca_id,
203 38bad86b 2023-04-22 thomas my_id, their_id, 0, repo, cancel_cb, cancel_arg);
205 f8a36e22 2021-08-26 stsp return err;
206 f8a36e22 2021-08-26 stsp if (yca_id == NULL)
207 f8a36e22 2021-08-26 stsp return got_error_fmt(GOT_ERR_SEND_ANCESTRY, "%s", refname);
209 f8a36e22 2021-08-26 stsp if (got_object_id_cmp(their_id, yca_id) != 0)
210 f8a36e22 2021-08-26 stsp err = got_error_fmt(GOT_ERR_SEND_ANCESTRY, "%s", refname);
212 f8a36e22 2021-08-26 stsp free(yca_id);
213 f8a36e22 2021-08-26 stsp return err;
216 f8a36e22 2021-08-26 stsp static const struct got_error *
217 f8a36e22 2021-08-26 stsp realloc_ids(struct got_object_id ***ids, size_t *nalloc, size_t n)
219 f8a36e22 2021-08-26 stsp struct got_object_id **new;
220 f8a36e22 2021-08-26 stsp const size_t alloc_chunksz = 256;
222 535e07c7 2021-08-29 naddy if (*nalloc >= n)
223 f8a36e22 2021-08-26 stsp return NULL;
225 f8a36e22 2021-08-26 stsp new = recallocarray(*ids, *nalloc, *nalloc + alloc_chunksz,
226 f8a36e22 2021-08-26 stsp sizeof(struct got_object_id));
227 f8a36e22 2021-08-26 stsp if (new == NULL)
228 f8a36e22 2021-08-26 stsp return got_error_from_errno("recallocarray");
230 f8a36e22 2021-08-26 stsp *ids = new;
231 f8a36e22 2021-08-26 stsp *nalloc += alloc_chunksz;
232 f8a36e22 2021-08-26 stsp return NULL;
235 f8a36e22 2021-08-26 stsp static struct got_pathlist_entry *
236 4ac84380 2023-07-05 thomas find_ref(struct got_pathlist_head *refs, const char *refname)
238 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *pe;
240 4ac84380 2023-07-05 thomas TAILQ_FOREACH(pe, refs, entry) {
241 4ac84380 2023-07-05 thomas if (got_path_cmp(pe->path, refname, strlen(pe->path),
242 4ac84380 2023-07-05 thomas strlen(refname)) == 0) {
247 f8a36e22 2021-08-26 stsp return NULL;
250 f8a36e22 2021-08-26 stsp static const struct got_error *
251 f8a36e22 2021-08-26 stsp get_remote_refname(char **remote_refname, const char *remote_name,
252 f8a36e22 2021-08-26 stsp const char *refname)
254 f8a36e22 2021-08-26 stsp if (strncmp(refname, "refs/", 5) == 0)
255 f8a36e22 2021-08-26 stsp refname += 5;
256 f8a36e22 2021-08-26 stsp if (strncmp(refname, "heads/", 6) == 0)
257 f8a36e22 2021-08-26 stsp refname += 6;
259 f8a36e22 2021-08-26 stsp if (asprintf(remote_refname, "refs/remotes/%s/%s",
260 f8a36e22 2021-08-26 stsp remote_name, refname) == -1)
261 f8a36e22 2021-08-26 stsp return got_error_from_errno("asprintf");
263 f8a36e22 2021-08-26 stsp return NULL;
266 f8a36e22 2021-08-26 stsp static const struct got_error *
267 4ac84380 2023-07-05 thomas update_remote_ref(struct got_pathlist_entry *my_ref, const char *remote_name,
268 f8a36e22 2021-08-26 stsp struct got_repository *repo)
270 f8a36e22 2021-08-26 stsp const struct got_error *err, *unlock_err;
271 4ac84380 2023-07-05 thomas const char *refname = my_ref->path;
272 4ac84380 2023-07-05 thomas struct got_object_id *my_id = my_ref->data;
273 f8a36e22 2021-08-26 stsp struct got_reference *ref = NULL;
274 f8a36e22 2021-08-26 stsp char *remote_refname = NULL;
275 f8a36e22 2021-08-26 stsp int ref_locked = 0;
277 4ac84380 2023-07-05 thomas err = get_remote_refname(&remote_refname, remote_name, refname);
281 f8a36e22 2021-08-26 stsp err = got_ref_open(&ref, repo, remote_refname, 1 /* lock */);
283 f8a36e22 2021-08-26 stsp if (err->code != GOT_ERR_NOT_REF)
285 f8a36e22 2021-08-26 stsp err = got_ref_alloc(&ref, remote_refname, my_id);
289 f8a36e22 2021-08-26 stsp ref_locked = 1;
290 f8a36e22 2021-08-26 stsp err = got_ref_change_ref(ref, my_id);
295 f8a36e22 2021-08-26 stsp err = got_ref_write(ref, repo);
298 f8a36e22 2021-08-26 stsp if (ref_locked) {
299 f8a36e22 2021-08-26 stsp unlock_err = got_ref_unlock(ref);
300 f8a36e22 2021-08-26 stsp if (unlock_err && err == NULL)
301 f8a36e22 2021-08-26 stsp err = unlock_err;
303 f8a36e22 2021-08-26 stsp got_ref_close(ref);
305 f8a36e22 2021-08-26 stsp free(remote_refname);
306 f8a36e22 2021-08-26 stsp return err;
309 f8a36e22 2021-08-26 stsp const struct got_error*
310 f8a36e22 2021-08-26 stsp got_send_pack(const char *remote_name, struct got_pathlist_head *branch_names,
311 f8a36e22 2021-08-26 stsp struct got_pathlist_head *tag_names,
312 f8a36e22 2021-08-26 stsp struct got_pathlist_head *delete_branches,
313 f8a36e22 2021-08-26 stsp int verbosity, int overwrite_refs, int sendfd,
314 f8a36e22 2021-08-26 stsp struct got_repository *repo, got_send_progress_cb progress_cb,
315 f8a36e22 2021-08-26 stsp void *progress_arg, got_cancel_cb cancel_cb, void *cancel_arg)
317 f8a36e22 2021-08-26 stsp int imsg_sendfds[2];
318 f8a36e22 2021-08-26 stsp int npackfd = -1, nsendfd = -1;
319 f8a36e22 2021-08-26 stsp int sendstatus, done = 0;
320 f8a36e22 2021-08-26 stsp const struct got_error *err;
321 f8a36e22 2021-08-26 stsp struct imsgbuf sendibuf;
322 f8a36e22 2021-08-26 stsp pid_t sendpid = -1;
323 f8a36e22 2021-08-26 stsp struct got_pathlist_head have_refs;
324 f8a36e22 2021-08-26 stsp struct got_pathlist_head their_refs;
325 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *pe;
326 f8a36e22 2021-08-26 stsp struct got_object_id **our_ids = NULL;
327 f8a36e22 2021-08-26 stsp struct got_object_id **their_ids = NULL;
328 4ac84380 2023-07-05 thomas int nours = 0, ntheirs = 0;
329 f8a36e22 2021-08-26 stsp size_t nalloc_ours = 0, nalloc_theirs = 0;
330 27b75514 2021-08-28 stsp int refs_to_send = 0, refs_to_delete = 0;
331 46cd7462 2022-07-21 thomas off_t bytes_sent = 0, bytes_sent_cur = 0;
332 f8a36e22 2021-08-26 stsp struct pack_progress_arg ppa;
333 f8a36e22 2021-08-26 stsp uint8_t packsha1[SHA1_DIGEST_LENGTH];
334 20a7d452 2022-10-16 thomas int packfd = -1;
335 05fa7118 2022-10-16 thomas FILE *delta_cache = NULL;
336 4ac84380 2023-07-05 thomas char *s = NULL;
338 f8a36e22 2021-08-26 stsp TAILQ_INIT(&have_refs);
339 f8a36e22 2021-08-26 stsp TAILQ_INIT(&their_refs);
341 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, branch_names, entry) {
342 f8a36e22 2021-08-26 stsp const char *branchname = pe->path;
343 f8a36e22 2021-08-26 stsp if (strncmp(branchname, "refs/heads/", 11) != 0) {
344 f8a36e22 2021-08-26 stsp if (asprintf(&s, "refs/heads/%s", branchname) == -1) {
345 f8a36e22 2021-08-26 stsp err = got_error_from_errno("asprintf");
349 4ac84380 2023-07-05 thomas if ((s = strdup(branchname)) == NULL) {
350 4ac84380 2023-07-05 thomas err = got_error_from_errno("strdup");
351 4ac84380 2023-07-05 thomas goto done;
354 4ac84380 2023-07-05 thomas err = insert_sendable_ref(&have_refs, s, repo);
357 4ac84380 2023-07-05 thomas s = NULL;
360 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_branches, entry) {
361 f8a36e22 2021-08-26 stsp const char *branchname = pe->path;
362 4ac84380 2023-07-05 thomas struct got_pathlist_entry *ref;
363 f8a36e22 2021-08-26 stsp if (strncmp(branchname, "refs/heads/", 11) != 0) {
364 f8a36e22 2021-08-26 stsp err = got_error_fmt(GOT_ERR_SEND_DELETE_REF, "%s",
365 f8a36e22 2021-08-26 stsp branchname);
368 4ac84380 2023-07-05 thomas ref = find_ref(&have_refs, branchname);
370 f8a36e22 2021-08-26 stsp err = got_error_fmt(GOT_ERR_SEND_DELETE_REF,
371 f8a36e22 2021-08-26 stsp "changes on %s will be sent to server",
372 f8a36e22 2021-08-26 stsp branchname);
377 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, tag_names, entry) {
378 f8a36e22 2021-08-26 stsp const char *tagname = pe->path;
379 f8a36e22 2021-08-26 stsp if (strncmp(tagname, "refs/tags/", 10) != 0) {
380 f8a36e22 2021-08-26 stsp if (asprintf(&s, "refs/tags/%s", tagname) == -1) {
381 f8a36e22 2021-08-26 stsp err = got_error_from_errno("asprintf");
385 4ac84380 2023-07-05 thomas if ((s = strdup(pe->path)) == NULL) {
386 4ac84380 2023-07-05 thomas err = got_error_from_errno("strdup");
387 4ac84380 2023-07-05 thomas goto done;
390 4ac84380 2023-07-05 thomas err = insert_sendable_ref(&have_refs, s, repo);
393 4ac84380 2023-07-05 thomas s = NULL;
396 4ac84380 2023-07-05 thomas if (TAILQ_EMPTY(&have_refs) && TAILQ_EMPTY(delete_branches)) {
397 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_SEND_EMPTY);
401 20a7d452 2022-10-16 thomas packfd = got_opentempfd();
402 20a7d452 2022-10-16 thomas if (packfd == -1) {
403 20a7d452 2022-10-16 thomas err = got_error_from_errno("got_opentempfd");
407 05fa7118 2022-10-16 thomas delta_cache = got_opentemp();
408 05fa7118 2022-10-16 thomas if (delta_cache == NULL) {
409 05fa7118 2022-10-16 thomas err = got_error_from_errno("got_opentemp");
410 05fa7118 2022-10-16 thomas goto done;
413 f8a36e22 2021-08-26 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_sendfds) == -1) {
414 f8a36e22 2021-08-26 stsp err = got_error_from_errno("socketpair");
418 f8a36e22 2021-08-26 stsp sendpid = fork();
419 f8a36e22 2021-08-26 stsp if (sendpid == -1) {
420 f8a36e22 2021-08-26 stsp err = got_error_from_errno("fork");
422 f8a36e22 2021-08-26 stsp } else if (sendpid == 0){
423 f8a36e22 2021-08-26 stsp got_privsep_exec_child(imsg_sendfds,
424 f8a36e22 2021-08-26 stsp GOT_PATH_PROG_SEND_PACK, got_repo_get_path(repo));
427 f8a36e22 2021-08-26 stsp if (close(imsg_sendfds[1]) == -1) {
428 f8a36e22 2021-08-26 stsp err = got_error_from_errno("close");
431 f8a36e22 2021-08-26 stsp imsg_init(&sendibuf, imsg_sendfds[0]);
432 f8a36e22 2021-08-26 stsp nsendfd = dup(sendfd);
433 f8a36e22 2021-08-26 stsp if (nsendfd == -1) {
434 f8a36e22 2021-08-26 stsp err = got_error_from_errno("dup");
439 76e9b2be 2023-07-10 thomas * Prepare the array of our object IDs which
440 4ac84380 2023-07-05 thomas * will be needed for generating a pack file.
442 4ac84380 2023-07-05 thomas TAILQ_FOREACH(pe, &have_refs, entry) {
443 4ac84380 2023-07-05 thomas struct got_object_id *id = pe->data;
445 535e07c7 2021-08-29 naddy err = realloc_ids(&our_ids, &nalloc_ours, nours + 1);
448 f8a36e22 2021-08-26 stsp our_ids[nours] = id;
452 f8a36e22 2021-08-26 stsp err = got_privsep_send_send_req(&sendibuf, nsendfd, &have_refs,
453 f8a36e22 2021-08-26 stsp delete_branches, verbosity);
456 f8a36e22 2021-08-26 stsp nsendfd = -1;
458 f8a36e22 2021-08-26 stsp err = got_privsep_recv_send_remote_refs(&their_refs, &sendibuf);
463 f8a36e22 2021-08-26 stsp * Process references reported by the server.
464 f8a36e22 2021-08-26 stsp * Push appropriate object IDs onto the "their IDs" array.
465 f8a36e22 2021-08-26 stsp * This array will be used to exclude objects which already
466 f8a36e22 2021-08-26 stsp * exist on the server from our pack file.
468 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, &their_refs, entry) {
469 f8a36e22 2021-08-26 stsp const char *refname = pe->path;
470 f8a36e22 2021-08-26 stsp struct got_object_id *their_id = pe->data;
471 f8a36e22 2021-08-26 stsp int have_their_id;
472 f8a36e22 2021-08-26 stsp struct got_object *obj;
473 4ac84380 2023-07-05 thomas struct got_pathlist_entry *my_ref = NULL;
474 f8a36e22 2021-08-26 stsp int is_tag = 0;
476 f8a36e22 2021-08-26 stsp /* Don't blindly trust the server to send us valid names. */
477 f8a36e22 2021-08-26 stsp if (!got_ref_name_is_valid(refname))
480 4064588e 2021-10-17 thomas if (strncmp(refname, "refs/tags/", 10) == 0)
481 4064588e 2021-10-17 thomas is_tag = 1;
483 f8a36e22 2021-08-26 stsp * Find out whether this is a reference we want to upload.
484 f8a36e22 2021-08-26 stsp * Otherwise we can still use this reference as a hint to
485 f8a36e22 2021-08-26 stsp * avoid uploading any objects the server already has.
487 4ac84380 2023-07-05 thomas my_ref = find_ref(&have_refs, refname);
488 f8a36e22 2021-08-26 stsp if (my_ref) {
489 4ac84380 2023-07-05 thomas struct got_object_id *my_id = my_ref->data;
490 4064588e 2021-10-17 thomas if (got_object_id_cmp(my_id, their_id) != 0) {
491 4064588e 2021-10-17 thomas if (!overwrite_refs && is_tag) {
492 4064588e 2021-10-17 thomas err = got_error_fmt(
493 4064588e 2021-10-17 thomas GOT_ERR_SEND_TAG_EXISTS,
494 4064588e 2021-10-17 thomas "%s", refname);
495 4064588e 2021-10-17 thomas goto done;
497 c2105d00 2021-09-14 stsp refs_to_send++;
501 f8a36e22 2021-08-26 stsp /* Check if their object exists locally. */
502 f8a36e22 2021-08-26 stsp err = got_object_open(&obj, repo, their_id);
504 f8a36e22 2021-08-26 stsp if (err->code != GOT_ERR_NO_OBJ)
506 f8a36e22 2021-08-26 stsp if (!overwrite_refs && my_ref != NULL) {
507 f8a36e22 2021-08-26 stsp err = got_error_fmt(GOT_ERR_SEND_ANCESTRY,
508 f8a36e22 2021-08-26 stsp "%s", refname);
511 f8a36e22 2021-08-26 stsp have_their_id = 0;
513 f8a36e22 2021-08-26 stsp got_object_close(obj);
514 f8a36e22 2021-08-26 stsp have_their_id = 1;
517 535e07c7 2021-08-29 naddy err = realloc_ids(&their_ids, &nalloc_theirs, ntheirs + 1);
521 f8a36e22 2021-08-26 stsp if (have_their_id) {
522 f8a36e22 2021-08-26 stsp /* Enforce linear ancestry if required. */
523 f8a36e22 2021-08-26 stsp if (!overwrite_refs && my_ref && !is_tag) {
524 4ac84380 2023-07-05 thomas struct got_object_id *my_id = my_ref->data;
525 38bad86b 2023-04-22 thomas err = check_common_ancestry(refname, my_id,
526 f8a36e22 2021-08-26 stsp their_id, repo, cancel_cb, cancel_arg);
530 f8a36e22 2021-08-26 stsp /* Exclude any objects reachable via their ID. */
531 4ac84380 2023-07-05 thomas their_ids[ntheirs] = their_id;
533 f8a36e22 2021-08-26 stsp } else if (!is_tag) {
534 f8a36e22 2021-08-26 stsp char *remote_refname;
535 f8a36e22 2021-08-26 stsp struct got_reference *ref;
537 f8a36e22 2021-08-26 stsp * Exclude any objects which exist on the server
538 f8a36e22 2021-08-26 stsp * according to a locally cached remote reference.
540 f8a36e22 2021-08-26 stsp err = get_remote_refname(&remote_refname,
541 f8a36e22 2021-08-26 stsp remote_name, refname);
544 f8a36e22 2021-08-26 stsp err = got_ref_open(&ref, repo, remote_refname, 0);
545 f8a36e22 2021-08-26 stsp free(remote_refname);
547 f8a36e22 2021-08-26 stsp if (err->code != GOT_ERR_NOT_REF)
550 f8a36e22 2021-08-26 stsp err = got_ref_resolve(&their_ids[ntheirs],
551 f8a36e22 2021-08-26 stsp repo, ref);
552 f8a36e22 2021-08-26 stsp got_ref_close(ref);
560 f8a36e22 2021-08-26 stsp /* Account for any new references we are going to upload. */
561 4ac84380 2023-07-05 thomas TAILQ_FOREACH(pe, &have_refs, entry) {
562 4ac84380 2023-07-05 thomas const char *refname = pe->path;
563 4ac84380 2023-07-05 thomas if (find_ref(&their_refs, refname) == NULL)
564 f8a36e22 2021-08-26 stsp refs_to_send++;
567 1bd76734 2021-08-26 stsp /* Account for any existing references we are going to delete. */
568 1bd76734 2021-08-26 stsp TAILQ_FOREACH(pe, delete_branches, entry) {
569 1bd76734 2021-08-26 stsp const char *branchname = pe->path;
570 4ac84380 2023-07-05 thomas if (find_ref(&their_refs, branchname))
571 27b75514 2021-08-28 stsp refs_to_delete++;
574 27b75514 2021-08-28 stsp if (refs_to_send == 0 && refs_to_delete == 0) {
575 f8a36e22 2021-08-26 stsp got_privsep_send_stop(imsg_sendfds[0]);
579 27b75514 2021-08-28 stsp if (refs_to_send > 0) {
580 abd46894 2022-10-18 thomas struct got_ratelimit rl;
581 abd46894 2022-10-18 thomas got_ratelimit_init(&rl, 0, 500);
582 27b75514 2021-08-28 stsp memset(&ppa, 0, sizeof(ppa));
583 27b75514 2021-08-28 stsp ppa.progress_cb = progress_cb;
584 27b75514 2021-08-28 stsp ppa.progress_arg = progress_arg;
585 05fa7118 2022-10-16 thomas err = got_pack_create(packsha1, packfd, delta_cache,
586 6c69e5ab 2023-02-20 thomas their_ids, ntheirs, our_ids, nours, repo, 0, 1, 0,
587 abd46894 2022-10-18 thomas pack_progress, &ppa, &rl, cancel_cb, cancel_arg);
591 20a7d452 2022-10-16 thomas npackfd = dup(packfd);
592 27b75514 2021-08-28 stsp if (npackfd == -1) {
593 27b75514 2021-08-28 stsp err = got_error_from_errno("dup");
596 27b75514 2021-08-28 stsp err = got_privsep_send_packfd(&sendibuf, npackfd);
597 27b75514 2021-08-28 stsp if (err != NULL)
599 27b75514 2021-08-28 stsp npackfd = -1;
601 27b75514 2021-08-28 stsp err = got_privsep_send_packfd(&sendibuf, -1);
602 27b75514 2021-08-28 stsp if (err != NULL)
606 f8a36e22 2021-08-26 stsp while (!done) {
607 f8a36e22 2021-08-26 stsp int success = 0;
608 f8a36e22 2021-08-26 stsp char *refname = NULL;
609 3fe5d0fe 2022-11-17 thomas char *errmsg = NULL;
611 f8a36e22 2021-08-26 stsp if (cancel_cb) {
612 f8a36e22 2021-08-26 stsp err = (*cancel_cb)(cancel_arg);
616 f8a36e22 2021-08-26 stsp err = got_privsep_recv_send_progress(&done, &bytes_sent,
617 3fe5d0fe 2022-11-17 thomas &success, &refname, &errmsg, &sendibuf);
620 f8a36e22 2021-08-26 stsp if (refname && got_ref_name_is_valid(refname) && success &&
621 f8a36e22 2021-08-26 stsp strncmp(refname, "refs/tags/", 10) != 0) {
622 4ac84380 2023-07-05 thomas struct got_pathlist_entry *my_ref;
624 f8a36e22 2021-08-26 stsp * The server has accepted our changes.
625 f8a36e22 2021-08-26 stsp * Update our reference in refs/remotes/ accordingly.
627 4ac84380 2023-07-05 thomas my_ref = find_ref(&have_refs, refname);
628 f8a36e22 2021-08-26 stsp if (my_ref) {
629 f8a36e22 2021-08-26 stsp err = update_remote_ref(my_ref, remote_name,
635 f8a36e22 2021-08-26 stsp if (refname != NULL ||
636 f8a36e22 2021-08-26 stsp bytes_sent_cur != bytes_sent) {
637 85220b0e 2022-03-22 thomas err = progress_cb(progress_arg, ppa.ncolored,
638 85220b0e 2022-03-22 thomas ppa.nfound, ppa.ntrees, ppa.packfile_size,
639 f8a36e22 2021-08-26 stsp ppa.ncommits, ppa.nobj_total, ppa.nobj_deltify,
640 f8a36e22 2021-08-26 stsp ppa.nobj_written, bytes_sent,
641 3fe5d0fe 2022-11-17 thomas refname, errmsg, success);
643 f8a36e22 2021-08-26 stsp free(refname);
644 3fe5d0fe 2022-11-17 thomas free(errmsg);
647 f8a36e22 2021-08-26 stsp bytes_sent_cur = bytes_sent;
649 f8a36e22 2021-08-26 stsp free(refname);
650 3fe5d0fe 2022-11-17 thomas free(errmsg);
653 f8a36e22 2021-08-26 stsp if (sendpid != -1) {
655 f8a36e22 2021-08-26 stsp got_privsep_send_stop(imsg_sendfds[0]);
656 f8a36e22 2021-08-26 stsp if (waitpid(sendpid, &sendstatus, 0) == -1 && err == NULL)
657 f8a36e22 2021-08-26 stsp err = got_error_from_errno("waitpid");
659 20a7d452 2022-10-16 thomas if (packfd != -1 && close(packfd) == -1 && err == NULL)
660 20a7d452 2022-10-16 thomas err = got_error_from_errno("close");
661 05fa7118 2022-10-16 thomas if (delta_cache && fclose(delta_cache) == EOF && err == NULL)
662 05fa7118 2022-10-16 thomas err = got_error_from_errno("fclose");
663 f8a36e22 2021-08-26 stsp if (nsendfd != -1 && close(nsendfd) == -1 && err == NULL)
664 f8a36e22 2021-08-26 stsp err = got_error_from_errno("close");
665 f8a36e22 2021-08-26 stsp if (npackfd != -1 && close(npackfd) == -1 && err == NULL)
666 f8a36e22 2021-08-26 stsp err = got_error_from_errno("close");
668 4ac84380 2023-07-05 thomas got_pathlist_free(&have_refs, GOT_PATHLIST_FREE_ALL);
669 4ac84380 2023-07-05 thomas got_pathlist_free(&their_refs, GOT_PATHLIST_FREE_ALL);
671 4ac84380 2023-07-05 thomas * Object ids are owned by have_refs/their_refs and are already freed;
672 4ac84380 2023-07-05 thomas * Only the arrays must be freed.
674 f8a36e22 2021-08-26 stsp free(our_ids);
675 f8a36e22 2021-08-26 stsp free(their_ids);
677 f8a36e22 2021-08-26 stsp return err;
