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 27555e8e 2023-07-05 jrick * 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 f8a36e22 2021-08-26 stsp #include <sys/types.h>
20 f8a36e22 2021-08-26 stsp #include <sys/stat.h>
21 f8a36e22 2021-08-26 stsp #include <sys/queue.h>
22 f8b19efd 2021-10-13 stsp #include <sys/tree.h>
23 f8a36e22 2021-08-26 stsp #include <sys/uio.h>
24 f8a36e22 2021-08-26 stsp #include <sys/socket.h>
25 f8a36e22 2021-08-26 stsp #include <sys/wait.h>
26 f8a36e22 2021-08-26 stsp #include <sys/resource.h>
27 f8a36e22 2021-08-26 stsp #include <sys/socket.h>
29 f8a36e22 2021-08-26 stsp #include <endian.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 <sha1.h>
38 5822e79e 2023-02-23 op #include <sha2.h>
39 f8a36e22 2021-08-26 stsp #include <unistd.h>
40 f8a36e22 2021-08-26 stsp #include <zlib.h>
41 f8a36e22 2021-08-26 stsp #include <ctype.h>
42 f8a36e22 2021-08-26 stsp #include <limits.h>
43 f8a36e22 2021-08-26 stsp #include <imsg.h>
44 f8a36e22 2021-08-26 stsp #include <time.h>
45 f8a36e22 2021-08-26 stsp #include <uuid.h>
47 f8a36e22 2021-08-26 stsp #include "got_error.h"
48 f8a36e22 2021-08-26 stsp #include "got_reference.h"
49 f8a36e22 2021-08-26 stsp #include "got_repository.h"
50 f8a36e22 2021-08-26 stsp #include "got_path.h"
51 f8a36e22 2021-08-26 stsp #include "got_cancel.h"
52 f8a36e22 2021-08-26 stsp #include "got_worktree.h"
53 f8a36e22 2021-08-26 stsp #include "got_object.h"
54 f8a36e22 2021-08-26 stsp #include "got_opentemp.h"
55 f8a36e22 2021-08-26 stsp #include "got_send.h"
56 f8a36e22 2021-08-26 stsp #include "got_repository_admin.h"
57 f8a36e22 2021-08-26 stsp #include "got_commit_graph.h"
59 f8a36e22 2021-08-26 stsp #include "got_lib_delta.h"
60 f8a36e22 2021-08-26 stsp #include "got_lib_inflate.h"
61 f8a36e22 2021-08-26 stsp #include "got_lib_object.h"
62 f8a36e22 2021-08-26 stsp #include "got_lib_object_parse.h"
63 f8a36e22 2021-08-26 stsp #include "got_lib_object_create.h"
64 f8a36e22 2021-08-26 stsp #include "got_lib_pack.h"
65 53bf0b54 2023-02-23 op #include "got_lib_hash.h"
66 f8a36e22 2021-08-26 stsp #include "got_lib_privsep.h"
67 f8a36e22 2021-08-26 stsp #include "got_lib_object_cache.h"
68 f8a36e22 2021-08-26 stsp #include "got_lib_repository.h"
69 cae60ab8 2022-10-18 stsp #include "got_lib_ratelimit.h"
70 f8a36e22 2021-08-26 stsp #include "got_lib_pack_create.h"
71 d65a88a2 2021-09-05 stsp #include "got_lib_dial.h"
72 3d1b16d1 2023-07-08 jrick #include "got_lib_worktree_cvg.h"
74 f8a36e22 2021-08-26 stsp #ifndef nitems
75 f8a36e22 2021-08-26 stsp #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
78 f8a36e22 2021-08-26 stsp #ifndef ssizeof
79 f8a36e22 2021-08-26 stsp #define ssizeof(_x) ((ssize_t)(sizeof(_x)))
83 f8a36e22 2021-08-26 stsp #define MIN(_a,_b) ((_a) < (_b) ? (_a) : (_b))
86 f8a36e22 2021-08-26 stsp const struct got_error *
87 f8a36e22 2021-08-26 stsp got_send_connect(pid_t *sendpid, int *sendfd, const char *proto,
88 f8a36e22 2021-08-26 stsp const char *host, const char *port, const char *server_path, int verbosity)
90 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
92 f8a36e22 2021-08-26 stsp *sendpid = -1;
93 f8a36e22 2021-08-26 stsp *sendfd = -1;
95 f8a36e22 2021-08-26 stsp if (strcmp(proto, "ssh") == 0 || strcmp(proto, "git+ssh") == 0)
96 d65a88a2 2021-09-05 stsp err = got_dial_ssh(sendpid, sendfd, host, port, server_path,
97 1eb38992 2023-04-14 stsp GOT_DIAL_CMD_SEND, verbosity);
98 f8a36e22 2021-08-26 stsp else if (strcmp(proto, "git") == 0)
99 d65a88a2 2021-09-05 stsp err = got_dial_git(sendfd, host, port, server_path,
100 1eb38992 2023-04-14 stsp GOT_DIAL_CMD_SEND);
101 f8a36e22 2021-08-26 stsp else if (strcmp(proto, "http") == 0 || strcmp(proto, "git+http") == 0)
102 f8a36e22 2021-08-26 stsp err = got_error_path(proto, GOT_ERR_NOT_IMPL);
104 f8a36e22 2021-08-26 stsp err = got_error_path(proto, GOT_ERR_BAD_PROTO);
105 f8a36e22 2021-08-26 stsp return err;
108 f8a36e22 2021-08-26 stsp struct pack_progress_arg {
109 f8a36e22 2021-08-26 stsp got_send_progress_cb progress_cb;
110 f8a36e22 2021-08-26 stsp void *progress_arg;
112 b8af7c06 2022-03-15 stsp int ncolored;
113 b8af7c06 2022-03-15 stsp int nfound;
114 b8af7c06 2022-03-15 stsp int ntrees;
115 f8a36e22 2021-08-26 stsp off_t packfile_size;
116 f8a36e22 2021-08-26 stsp int ncommits;
117 f8a36e22 2021-08-26 stsp int nobj_total;
118 f8a36e22 2021-08-26 stsp int nobj_deltify;
119 f8a36e22 2021-08-26 stsp int nobj_written;
122 f8a36e22 2021-08-26 stsp static const struct got_error *
123 b8af7c06 2022-03-15 stsp pack_progress(void *arg, int ncolored, int nfound, int ntrees,
124 b8af7c06 2022-03-15 stsp off_t packfile_size, int ncommits, int nobj_total, int nobj_deltify,
125 b8af7c06 2022-03-15 stsp int nobj_written)
127 f8a36e22 2021-08-26 stsp const struct got_error *err;
128 f8a36e22 2021-08-26 stsp struct pack_progress_arg *a = arg;
130 b8af7c06 2022-03-15 stsp err = a->progress_cb(a->progress_arg, ncolored, nfound, ntrees,
131 b8af7c06 2022-03-15 stsp packfile_size, ncommits, nobj_total, nobj_deltify,
132 6242c45b 2022-11-14 op nobj_written, 0, NULL, NULL, 0);
134 f8a36e22 2021-08-26 stsp return err;
136 b8af7c06 2022-03-15 stsp a->ncolored= ncolored;
137 b8af7c06 2022-03-15 stsp a->nfound = nfound;
138 b8af7c06 2022-03-15 stsp a->ntrees = ntrees;
139 f8a36e22 2021-08-26 stsp a->packfile_size = packfile_size;
140 f8a36e22 2021-08-26 stsp a->ncommits = ncommits;
141 f8a36e22 2021-08-26 stsp a->nobj_total = nobj_total;
142 f8a36e22 2021-08-26 stsp a->nobj_deltify = nobj_deltify;
143 f8a36e22 2021-08-26 stsp a->nobj_written = nobj_written;
144 f8a36e22 2021-08-26 stsp return NULL;
147 f8a36e22 2021-08-26 stsp static const struct got_error *
148 27555e8e 2023-07-05 jrick insert_sendable_ref(struct got_pathlist_head *refs, const char *refname,
149 3d1b16d1 2023-07-08 jrick const char *target_refname, struct got_repository *repo)
151 f8a36e22 2021-08-26 stsp const struct got_error *err;
152 f8a36e22 2021-08-26 stsp struct got_reference *ref;
153 27555e8e 2023-07-05 jrick struct got_object_id *id = NULL;
154 27555e8e 2023-07-05 jrick int obj_type;
156 f8a36e22 2021-08-26 stsp err = got_ref_open(&ref, repo, refname, 0);
158 f8a36e22 2021-08-26 stsp return err;
160 27555e8e 2023-07-05 jrick if (got_ref_is_symbolic(ref)) {
161 27555e8e 2023-07-05 jrick err = got_error_fmt(GOT_ERR_BAD_REF_TYPE,
162 27555e8e 2023-07-05 jrick "cannot send symbolic reference %s", refname);
163 27555e8e 2023-07-05 jrick goto done;
166 27555e8e 2023-07-05 jrick err = got_ref_resolve(&id, repo, ref);
168 27555e8e 2023-07-05 jrick goto done;
169 27555e8e 2023-07-05 jrick err = got_object_get_type(&obj_type, repo, id);
171 27555e8e 2023-07-05 jrick goto done;
172 27555e8e 2023-07-05 jrick switch (obj_type) {
173 27555e8e 2023-07-05 jrick case GOT_OBJ_TYPE_COMMIT:
174 27555e8e 2023-07-05 jrick case GOT_OBJ_TYPE_TAG:
177 27555e8e 2023-07-05 jrick err = got_error_fmt(GOT_ERR_OBJ_TYPE," cannot send %s",
179 27555e8e 2023-07-05 jrick goto done;
182 3d1b16d1 2023-07-08 jrick err = got_pathlist_insert(NULL, refs, target_refname, id);
185 bafea5ba 2023-07-07 jrick got_ref_close(ref);
188 f8a36e22 2021-08-26 stsp return err;
191 f8a36e22 2021-08-26 stsp static const struct got_error *
192 e166551f 2023-04-17 stsp check_common_ancestry(const char *refname, struct got_object_id *my_id,
193 f8a36e22 2021-08-26 stsp struct got_object_id *their_id, struct got_repository *repo,
194 f8a36e22 2021-08-26 stsp got_cancel_cb cancel_cb, void *cancel_arg)
196 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
197 f8a36e22 2021-08-26 stsp struct got_object_id *yca_id;
198 f8a36e22 2021-08-26 stsp int obj_type;
200 f8a36e22 2021-08-26 stsp err = got_object_get_type(&obj_type, repo, their_id);
202 f8a36e22 2021-08-26 stsp return err;
203 f8a36e22 2021-08-26 stsp if (obj_type != GOT_OBJ_TYPE_COMMIT)
204 f8a36e22 2021-08-26 stsp return got_error_fmt(GOT_ERR_OBJ_TYPE,
205 f8a36e22 2021-08-26 stsp "bad object type on server for %s", refname);
207 f8a36e22 2021-08-26 stsp err = got_commit_graph_find_youngest_common_ancestor(&yca_id,
208 e166551f 2023-04-17 stsp my_id, their_id, 0, repo, cancel_cb, cancel_arg);
210 f8a36e22 2021-08-26 stsp return err;
211 f8a36e22 2021-08-26 stsp if (yca_id == NULL)
212 f8a36e22 2021-08-26 stsp return got_error_fmt(GOT_ERR_SEND_ANCESTRY, "%s", refname);
214 f8a36e22 2021-08-26 stsp if (got_object_id_cmp(their_id, yca_id) != 0)
215 f8a36e22 2021-08-26 stsp err = got_error_fmt(GOT_ERR_SEND_ANCESTRY, "%s", refname);
217 f8a36e22 2021-08-26 stsp free(yca_id);
218 f8a36e22 2021-08-26 stsp return err;
221 f8a36e22 2021-08-26 stsp static const struct got_error *
222 f8a36e22 2021-08-26 stsp realloc_ids(struct got_object_id ***ids, size_t *nalloc, size_t n)
224 f8a36e22 2021-08-26 stsp struct got_object_id **new;
225 f8a36e22 2021-08-26 stsp const size_t alloc_chunksz = 256;
227 535e07c7 2021-08-29 naddy if (*nalloc >= n)
228 f8a36e22 2021-08-26 stsp return NULL;
230 f8a36e22 2021-08-26 stsp new = recallocarray(*ids, *nalloc, *nalloc + alloc_chunksz,
231 f8a36e22 2021-08-26 stsp sizeof(struct got_object_id));
232 f8a36e22 2021-08-26 stsp if (new == NULL)
233 f8a36e22 2021-08-26 stsp return got_error_from_errno("recallocarray");
235 f8a36e22 2021-08-26 stsp *ids = new;
236 f8a36e22 2021-08-26 stsp *nalloc += alloc_chunksz;
237 f8a36e22 2021-08-26 stsp return NULL;
240 f8a36e22 2021-08-26 stsp static struct got_pathlist_entry *
241 27555e8e 2023-07-05 jrick find_ref(struct got_pathlist_head *refs, const char *refname)
243 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *pe;
245 27555e8e 2023-07-05 jrick TAILQ_FOREACH(pe, refs, entry) {
246 27555e8e 2023-07-05 jrick if (got_path_cmp(pe->path, refname, strlen(pe->path),
247 27555e8e 2023-07-05 jrick strlen(refname)) == 0) {
252 f8a36e22 2021-08-26 stsp return NULL;
255 f8a36e22 2021-08-26 stsp static const struct got_error *
256 f8a36e22 2021-08-26 stsp get_remote_refname(char **remote_refname, const char *remote_name,
257 f8a36e22 2021-08-26 stsp const char *refname)
259 f8a36e22 2021-08-26 stsp if (strncmp(refname, "refs/", 5) == 0)
260 f8a36e22 2021-08-26 stsp refname += 5;
261 f8a36e22 2021-08-26 stsp if (strncmp(refname, "heads/", 6) == 0)
262 f8a36e22 2021-08-26 stsp refname += 6;
264 f8a36e22 2021-08-26 stsp if (asprintf(remote_refname, "refs/remotes/%s/%s",
265 f8a36e22 2021-08-26 stsp remote_name, refname) == -1)
266 f8a36e22 2021-08-26 stsp return got_error_from_errno("asprintf");
268 f8a36e22 2021-08-26 stsp return NULL;
271 f8a36e22 2021-08-26 stsp static const struct got_error *
272 27555e8e 2023-07-05 jrick update_remote_ref(struct got_pathlist_entry *my_ref, const char *remote_name,
273 f8a36e22 2021-08-26 stsp struct got_repository *repo)
275 f8a36e22 2021-08-26 stsp const struct got_error *err, *unlock_err;
276 27555e8e 2023-07-05 jrick const char *refname = my_ref->path;
277 27555e8e 2023-07-05 jrick struct got_object_id *my_id = my_ref->data;
278 f8a36e22 2021-08-26 stsp struct got_reference *ref = NULL;
279 f8a36e22 2021-08-26 stsp char *remote_refname = NULL;
280 f8a36e22 2021-08-26 stsp int ref_locked = 0;
282 27555e8e 2023-07-05 jrick err = get_remote_refname(&remote_refname, remote_name, refname);
286 f8a36e22 2021-08-26 stsp err = got_ref_open(&ref, repo, remote_refname, 1 /* lock */);
288 f8a36e22 2021-08-26 stsp if (err->code != GOT_ERR_NOT_REF)
290 f8a36e22 2021-08-26 stsp err = got_ref_alloc(&ref, remote_refname, my_id);
294 f8a36e22 2021-08-26 stsp ref_locked = 1;
295 f8a36e22 2021-08-26 stsp err = got_ref_change_ref(ref, my_id);
300 f8a36e22 2021-08-26 stsp err = got_ref_write(ref, repo);
303 f8a36e22 2021-08-26 stsp if (ref_locked) {
304 f8a36e22 2021-08-26 stsp unlock_err = got_ref_unlock(ref);
305 f8a36e22 2021-08-26 stsp if (unlock_err && err == NULL)
306 f8a36e22 2021-08-26 stsp err = unlock_err;
308 f8a36e22 2021-08-26 stsp got_ref_close(ref);
310 f8a36e22 2021-08-26 stsp free(remote_refname);
311 f8a36e22 2021-08-26 stsp return err;
314 f8a36e22 2021-08-26 stsp const struct got_error*
315 f8a36e22 2021-08-26 stsp got_send_pack(const char *remote_name, struct got_pathlist_head *branch_names,
316 f8a36e22 2021-08-26 stsp struct got_pathlist_head *tag_names,
317 f8a36e22 2021-08-26 stsp struct got_pathlist_head *delete_branches,
318 f8a36e22 2021-08-26 stsp int verbosity, int overwrite_refs, int sendfd,
319 f8a36e22 2021-08-26 stsp struct got_repository *repo, got_send_progress_cb progress_cb,
320 f8a36e22 2021-08-26 stsp void *progress_arg, got_cancel_cb cancel_cb, void *cancel_arg)
322 f8a36e22 2021-08-26 stsp int imsg_sendfds[2];
323 f8a36e22 2021-08-26 stsp int npackfd = -1, nsendfd = -1;
324 f8a36e22 2021-08-26 stsp int sendstatus, done = 0;
325 f8a36e22 2021-08-26 stsp const struct got_error *err;
326 f8a36e22 2021-08-26 stsp struct imsgbuf sendibuf;
327 f8a36e22 2021-08-26 stsp pid_t sendpid = -1;
328 f8a36e22 2021-08-26 stsp struct got_pathlist_head have_refs;
329 f8a36e22 2021-08-26 stsp struct got_pathlist_head their_refs;
330 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *pe;
331 f8a36e22 2021-08-26 stsp struct got_object_id **our_ids = NULL;
332 f8a36e22 2021-08-26 stsp struct got_object_id **their_ids = NULL;
333 27555e8e 2023-07-05 jrick int nours = 0, ntheirs = 0;
334 f8a36e22 2021-08-26 stsp size_t nalloc_ours = 0, nalloc_theirs = 0;
335 27b75514 2021-08-28 stsp int refs_to_send = 0, refs_to_delete = 0;
336 c46eda88 2022-07-21 florian off_t bytes_sent = 0, bytes_sent_cur = 0;
337 f8a36e22 2021-08-26 stsp struct pack_progress_arg ppa;
338 f8a36e22 2021-08-26 stsp uint8_t packsha1[SHA1_DIGEST_LENGTH];
339 894e4711 2022-10-15 stsp int packfd = -1;
340 a32780aa 2022-10-15 stsp FILE *delta_cache = NULL;
341 27555e8e 2023-07-05 jrick char *s = NULL;
343 f8a36e22 2021-08-26 stsp TAILQ_INIT(&have_refs);
344 f8a36e22 2021-08-26 stsp TAILQ_INIT(&their_refs);
346 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, branch_names, entry) {
347 f8a36e22 2021-08-26 stsp const char *branchname = pe->path;
348 3d1b16d1 2023-07-08 jrick const char *targetname = pe->data;
350 3d1b16d1 2023-07-08 jrick if (targetname == NULL)
351 3d1b16d1 2023-07-08 jrick targetname = branchname;
353 3d1b16d1 2023-07-08 jrick if (strncmp(targetname, "refs/heads/", 11) != 0) {
354 3d1b16d1 2023-07-08 jrick if (asprintf(&s, "refs/heads/%s", targetname) == -1) {
355 f8a36e22 2021-08-26 stsp err = got_error_from_errno("asprintf");
359 3d1b16d1 2023-07-08 jrick if ((s = strdup(targetname)) == NULL) {
360 27555e8e 2023-07-05 jrick err = got_error_from_errno("strdup");
361 27555e8e 2023-07-05 jrick goto done;
364 3d1b16d1 2023-07-08 jrick err = insert_sendable_ref(&have_refs, branchname, s, repo);
370 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_branches, entry) {
371 f8a36e22 2021-08-26 stsp const char *branchname = pe->path;
372 27555e8e 2023-07-05 jrick struct got_pathlist_entry *ref;
373 f8a36e22 2021-08-26 stsp if (strncmp(branchname, "refs/heads/", 11) != 0) {
374 f8a36e22 2021-08-26 stsp err = got_error_fmt(GOT_ERR_SEND_DELETE_REF, "%s",
375 f8a36e22 2021-08-26 stsp branchname);
378 27555e8e 2023-07-05 jrick ref = find_ref(&have_refs, branchname);
380 f8a36e22 2021-08-26 stsp err = got_error_fmt(GOT_ERR_SEND_DELETE_REF,
381 f8a36e22 2021-08-26 stsp "changes on %s will be sent to server",
382 f8a36e22 2021-08-26 stsp branchname);
387 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, tag_names, entry) {
388 f8a36e22 2021-08-26 stsp const char *tagname = pe->path;
389 f8a36e22 2021-08-26 stsp if (strncmp(tagname, "refs/tags/", 10) != 0) {
390 f8a36e22 2021-08-26 stsp if (asprintf(&s, "refs/tags/%s", tagname) == -1) {
391 f8a36e22 2021-08-26 stsp err = got_error_from_errno("asprintf");
395 27555e8e 2023-07-05 jrick if ((s = strdup(pe->path)) == NULL) {
396 27555e8e 2023-07-05 jrick err = got_error_from_errno("strdup");
397 27555e8e 2023-07-05 jrick goto done;
400 3d1b16d1 2023-07-08 jrick err = insert_sendable_ref(&have_refs, s, s, repo);
406 27555e8e 2023-07-05 jrick if (TAILQ_EMPTY(&have_refs) && TAILQ_EMPTY(delete_branches)) {
407 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_SEND_EMPTY);
411 894e4711 2022-10-15 stsp packfd = got_opentempfd();
412 894e4711 2022-10-15 stsp if (packfd == -1) {
413 894e4711 2022-10-15 stsp err = got_error_from_errno("got_opentempfd");
417 a32780aa 2022-10-15 stsp delta_cache = got_opentemp();
418 a32780aa 2022-10-15 stsp if (delta_cache == NULL) {
419 a32780aa 2022-10-15 stsp err = got_error_from_errno("got_opentemp");
423 f8a36e22 2021-08-26 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_sendfds) == -1) {
424 f8a36e22 2021-08-26 stsp err = got_error_from_errno("socketpair");
428 f8a36e22 2021-08-26 stsp sendpid = fork();
429 f8a36e22 2021-08-26 stsp if (sendpid == -1) {
430 f8a36e22 2021-08-26 stsp err = got_error_from_errno("fork");
432 f8a36e22 2021-08-26 stsp } else if (sendpid == 0){
433 f8a36e22 2021-08-26 stsp got_privsep_exec_child(imsg_sendfds,
434 f8a36e22 2021-08-26 stsp GOT_PATH_PROG_SEND_PACK, got_repo_get_path(repo));
437 f8a36e22 2021-08-26 stsp if (close(imsg_sendfds[1]) == -1) {
438 f8a36e22 2021-08-26 stsp err = got_error_from_errno("close");
441 f8a36e22 2021-08-26 stsp imsg_init(&sendibuf, imsg_sendfds[0]);
442 f8a36e22 2021-08-26 stsp nsendfd = dup(sendfd);
443 f8a36e22 2021-08-26 stsp if (nsendfd == -1) {
444 f8a36e22 2021-08-26 stsp err = got_error_from_errno("dup");
449 bafea5ba 2023-07-07 jrick * Prepare the array of our object IDs which
450 27555e8e 2023-07-05 jrick * will be needed for generating a pack file.
452 27555e8e 2023-07-05 jrick TAILQ_FOREACH(pe, &have_refs, entry) {
453 27555e8e 2023-07-05 jrick struct got_object_id *id = pe->data;
455 535e07c7 2021-08-29 naddy err = realloc_ids(&our_ids, &nalloc_ours, nours + 1);
458 f8a36e22 2021-08-26 stsp our_ids[nours] = id;
462 f8a36e22 2021-08-26 stsp err = got_privsep_send_send_req(&sendibuf, nsendfd, &have_refs,
463 f8a36e22 2021-08-26 stsp delete_branches, verbosity);
466 f8a36e22 2021-08-26 stsp nsendfd = -1;
468 f8a36e22 2021-08-26 stsp err = got_privsep_recv_send_remote_refs(&their_refs, &sendibuf);
472 f8a36e22 2021-08-26 stsp * Process references reported by the server.
473 f8a36e22 2021-08-26 stsp * Push appropriate object IDs onto the "their IDs" array.
474 f8a36e22 2021-08-26 stsp * This array will be used to exclude objects which already
475 f8a36e22 2021-08-26 stsp * exist on the server from our pack file.
477 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, &their_refs, entry) {
478 f8a36e22 2021-08-26 stsp const char *refname = pe->path;
479 f8a36e22 2021-08-26 stsp struct got_object_id *their_id = pe->data;
480 f8a36e22 2021-08-26 stsp int have_their_id;
481 f8a36e22 2021-08-26 stsp struct got_object *obj;
482 27555e8e 2023-07-05 jrick struct got_pathlist_entry *my_ref = NULL;
483 f8a36e22 2021-08-26 stsp int is_tag = 0;
485 f8a36e22 2021-08-26 stsp /* Don't blindly trust the server to send us valid names. */
486 f8a36e22 2021-08-26 stsp if (!got_ref_name_is_valid(refname))
489 92410079 2021-10-16 stsp if (strncmp(refname, "refs/tags/", 10) == 0)
490 92410079 2021-10-16 stsp is_tag = 1;
492 f8a36e22 2021-08-26 stsp * Find out whether this is a reference we want to upload.
493 f8a36e22 2021-08-26 stsp * Otherwise we can still use this reference as a hint to
494 f8a36e22 2021-08-26 stsp * avoid uploading any objects the server already has.
496 27555e8e 2023-07-05 jrick my_ref = find_ref(&have_refs, refname);
497 f8a36e22 2021-08-26 stsp if (my_ref) {
498 27555e8e 2023-07-05 jrick struct got_object_id *my_id = my_ref->data;
499 92410079 2021-10-16 stsp if (got_object_id_cmp(my_id, their_id) != 0) {
500 92410079 2021-10-16 stsp if (!overwrite_refs && is_tag) {
501 92410079 2021-10-16 stsp err = got_error_fmt(
502 92410079 2021-10-16 stsp GOT_ERR_SEND_TAG_EXISTS,
503 92410079 2021-10-16 stsp "%s", refname);
506 c2105d00 2021-09-14 stsp refs_to_send++;
510 f8a36e22 2021-08-26 stsp /* Check if their object exists locally. */
511 f8a36e22 2021-08-26 stsp err = got_object_open(&obj, repo, their_id);
513 f8a36e22 2021-08-26 stsp if (err->code != GOT_ERR_NO_OBJ)
515 f8a36e22 2021-08-26 stsp if (!overwrite_refs && my_ref != NULL) {
516 f8a36e22 2021-08-26 stsp err = got_error_fmt(GOT_ERR_SEND_ANCESTRY,
517 f8a36e22 2021-08-26 stsp "%s", refname);
520 f8a36e22 2021-08-26 stsp have_their_id = 0;
522 f8a36e22 2021-08-26 stsp got_object_close(obj);
523 f8a36e22 2021-08-26 stsp have_their_id = 1;
526 535e07c7 2021-08-29 naddy err = realloc_ids(&their_ids, &nalloc_theirs, ntheirs + 1);
530 f8a36e22 2021-08-26 stsp if (have_their_id) {
531 f8a36e22 2021-08-26 stsp /* Enforce linear ancestry if required. */
532 f8a36e22 2021-08-26 stsp if (!overwrite_refs && my_ref && !is_tag) {
533 27555e8e 2023-07-05 jrick struct got_object_id *my_id = my_ref->data;
534 e166551f 2023-04-17 stsp err = check_common_ancestry(refname, my_id,
535 f8a36e22 2021-08-26 stsp their_id, repo, cancel_cb, cancel_arg);
539 f8a36e22 2021-08-26 stsp /* Exclude any objects reachable via their ID. */
540 27555e8e 2023-07-05 jrick their_ids[ntheirs] = their_id;
542 f8a36e22 2021-08-26 stsp } else if (!is_tag) {
543 f8a36e22 2021-08-26 stsp char *remote_refname;
544 f8a36e22 2021-08-26 stsp struct got_reference *ref;
546 f8a36e22 2021-08-26 stsp * Exclude any objects which exist on the server
547 f8a36e22 2021-08-26 stsp * according to a locally cached remote reference.
549 f8a36e22 2021-08-26 stsp err = get_remote_refname(&remote_refname,
550 f8a36e22 2021-08-26 stsp remote_name, refname);
553 f8a36e22 2021-08-26 stsp err = got_ref_open(&ref, repo, remote_refname, 0);
554 f8a36e22 2021-08-26 stsp free(remote_refname);
556 f8a36e22 2021-08-26 stsp if (err->code != GOT_ERR_NOT_REF)
559 f8a36e22 2021-08-26 stsp err = got_ref_resolve(&their_ids[ntheirs],
560 f8a36e22 2021-08-26 stsp repo, ref);
561 f8a36e22 2021-08-26 stsp got_ref_close(ref);
569 f8a36e22 2021-08-26 stsp /* Account for any new references we are going to upload. */
570 27555e8e 2023-07-05 jrick TAILQ_FOREACH(pe, &have_refs, entry) {
571 27555e8e 2023-07-05 jrick const char *refname = pe->path;
572 27555e8e 2023-07-05 jrick if (find_ref(&their_refs, refname) == NULL)
573 f8a36e22 2021-08-26 stsp refs_to_send++;
576 1bd76734 2021-08-26 stsp /* Account for any existing references we are going to delete. */
577 1bd76734 2021-08-26 stsp TAILQ_FOREACH(pe, delete_branches, entry) {
578 1bd76734 2021-08-26 stsp const char *branchname = pe->path;
579 27555e8e 2023-07-05 jrick if (find_ref(&their_refs, branchname))
580 27b75514 2021-08-28 stsp refs_to_delete++;
583 27b75514 2021-08-28 stsp if (refs_to_send == 0 && refs_to_delete == 0) {
584 f8a36e22 2021-08-26 stsp got_privsep_send_stop(imsg_sendfds[0]);
588 27b75514 2021-08-28 stsp if (refs_to_send > 0) {
589 cae60ab8 2022-10-18 stsp struct got_ratelimit rl;
590 cae60ab8 2022-10-18 stsp got_ratelimit_init(&rl, 0, 500);
591 27b75514 2021-08-28 stsp memset(&ppa, 0, sizeof(ppa));
592 27b75514 2021-08-28 stsp ppa.progress_cb = progress_cb;
593 27b75514 2021-08-28 stsp ppa.progress_arg = progress_arg;
594 a32780aa 2022-10-15 stsp err = got_pack_create(packsha1, packfd, delta_cache,
595 bd56d7e1 2023-02-18 mark their_ids, ntheirs, our_ids, nours, repo, 0, 1, 0,
596 cae60ab8 2022-10-18 stsp pack_progress, &ppa, &rl, cancel_cb, cancel_arg);
600 894e4711 2022-10-15 stsp npackfd = dup(packfd);
601 27b75514 2021-08-28 stsp if (npackfd == -1) {
602 27b75514 2021-08-28 stsp err = got_error_from_errno("dup");
605 27b75514 2021-08-28 stsp err = got_privsep_send_packfd(&sendibuf, npackfd);
606 27b75514 2021-08-28 stsp if (err != NULL)
608 27b75514 2021-08-28 stsp npackfd = -1;
610 27b75514 2021-08-28 stsp err = got_privsep_send_packfd(&sendibuf, -1);
611 27b75514 2021-08-28 stsp if (err != NULL)
615 f8a36e22 2021-08-26 stsp while (!done) {
616 f8a36e22 2021-08-26 stsp int success = 0;
617 f8a36e22 2021-08-26 stsp char *refname = NULL;
618 6242c45b 2022-11-14 op char *errmsg = NULL;
620 f8a36e22 2021-08-26 stsp if (cancel_cb) {
621 f8a36e22 2021-08-26 stsp err = (*cancel_cb)(cancel_arg);
625 f8a36e22 2021-08-26 stsp err = got_privsep_recv_send_progress(&done, &bytes_sent,
626 6242c45b 2022-11-14 op &success, &refname, &errmsg, &sendibuf);
629 f8a36e22 2021-08-26 stsp if (refname && got_ref_name_is_valid(refname) && success &&
630 f8a36e22 2021-08-26 stsp strncmp(refname, "refs/tags/", 10) != 0) {
631 27555e8e 2023-07-05 jrick struct got_pathlist_entry *my_ref;
633 f8a36e22 2021-08-26 stsp * The server has accepted our changes.
634 f8a36e22 2021-08-26 stsp * Update our reference in refs/remotes/ accordingly.
636 27555e8e 2023-07-05 jrick my_ref = find_ref(&have_refs, refname);
637 f8a36e22 2021-08-26 stsp if (my_ref) {
638 f8a36e22 2021-08-26 stsp err = update_remote_ref(my_ref, remote_name,
644 f8a36e22 2021-08-26 stsp if (refname != NULL ||
645 f8a36e22 2021-08-26 stsp bytes_sent_cur != bytes_sent) {
646 b8af7c06 2022-03-15 stsp err = progress_cb(progress_arg, ppa.ncolored,
647 b8af7c06 2022-03-15 stsp ppa.nfound, ppa.ntrees, ppa.packfile_size,
648 f8a36e22 2021-08-26 stsp ppa.ncommits, ppa.nobj_total, ppa.nobj_deltify,
649 f8a36e22 2021-08-26 stsp ppa.nobj_written, bytes_sent,
650 6242c45b 2022-11-14 op refname, errmsg, success);
652 f8a36e22 2021-08-26 stsp free(refname);
653 6242c45b 2022-11-14 op free(errmsg);
656 f8a36e22 2021-08-26 stsp bytes_sent_cur = bytes_sent;
658 f8a36e22 2021-08-26 stsp free(refname);
659 6242c45b 2022-11-14 op free(errmsg);
662 f8a36e22 2021-08-26 stsp if (sendpid != -1) {
664 f8a36e22 2021-08-26 stsp got_privsep_send_stop(imsg_sendfds[0]);
665 f8a36e22 2021-08-26 stsp if (waitpid(sendpid, &sendstatus, 0) == -1 && err == NULL)
666 f8a36e22 2021-08-26 stsp err = got_error_from_errno("waitpid");
668 894e4711 2022-10-15 stsp if (packfd != -1 && close(packfd) == -1 && err == NULL)
669 894e4711 2022-10-15 stsp err = got_error_from_errno("close");
670 a32780aa 2022-10-15 stsp if (delta_cache && fclose(delta_cache) == EOF && err == NULL)
671 a32780aa 2022-10-15 stsp err = got_error_from_errno("fclose");
672 f8a36e22 2021-08-26 stsp if (nsendfd != -1 && close(nsendfd) == -1 && err == NULL)
673 f8a36e22 2021-08-26 stsp err = got_error_from_errno("close");
674 f8a36e22 2021-08-26 stsp if (npackfd != -1 && close(npackfd) == -1 && err == NULL)
675 f8a36e22 2021-08-26 stsp err = got_error_from_errno("close");
677 27555e8e 2023-07-05 jrick got_pathlist_free(&have_refs, GOT_PATHLIST_FREE_ALL);
678 27555e8e 2023-07-05 jrick got_pathlist_free(&their_refs, GOT_PATHLIST_FREE_ALL);
680 27555e8e 2023-07-05 jrick * Object ids are owned by have_refs/their_refs and are already freed;
681 27555e8e 2023-07-05 jrick * Only the arrays must be freed.
683 f8a36e22 2021-08-26 stsp free(our_ids);
684 f8a36e22 2021-08-26 stsp free(their_ids);
686 f8a36e22 2021-08-26 stsp return err;
