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1 93658fb9 2020-03-18 stsp /*
2 93658fb9 2020-03-18 stsp * Copyright (c) 2018, 2019 Ori Bernstein <ori@openbsd.org>
3 93658fb9 2020-03-18 stsp *
4 93658fb9 2020-03-18 stsp * Permission to use, copy, modify, and distribute this software for any
5 93658fb9 2020-03-18 stsp * purpose with or without fee is hereby granted, provided that the above
6 93658fb9 2020-03-18 stsp * copyright notice and this permission notice appear in all copies.
7 93658fb9 2020-03-18 stsp *
8 93658fb9 2020-03-18 stsp * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 93658fb9 2020-03-18 stsp * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 93658fb9 2020-03-18 stsp * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 93658fb9 2020-03-18 stsp * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 93658fb9 2020-03-18 stsp * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 93658fb9 2020-03-18 stsp * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 93658fb9 2020-03-18 stsp * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 93658fb9 2020-03-18 stsp */
16 4fccd2fe 2023-03-08 thomas #include "got_compat.h"
17 93658fb9 2020-03-18 stsp
18 93658fb9 2020-03-18 stsp #include <sys/types.h>
19 93658fb9 2020-03-18 stsp #include <sys/stat.h>
20 8b925c6c 2022-07-16 thomas #include <sys/queue.h>
21 93658fb9 2020-03-18 stsp #include <sys/uio.h>
22 93658fb9 2020-03-18 stsp #include <sys/socket.h>
23 93658fb9 2020-03-18 stsp #include <sys/wait.h>
24 93658fb9 2020-03-18 stsp #include <sys/resource.h>
25 93658fb9 2020-03-18 stsp #include <sys/socket.h>
26 93658fb9 2020-03-18 stsp
27 93658fb9 2020-03-18 stsp #include <errno.h>
28 5cc27ede 2020-03-18 stsp #include <err.h>
29 93658fb9 2020-03-18 stsp #include <fcntl.h>
30 93658fb9 2020-03-18 stsp #include <stdio.h>
31 93658fb9 2020-03-18 stsp #include <stdlib.h>
32 93658fb9 2020-03-18 stsp #include <string.h>
33 93658fb9 2020-03-18 stsp #include <stdint.h>
34 81a12da5 2020-09-09 naddy #include <unistd.h>
35 93658fb9 2020-03-18 stsp #include <zlib.h>
36 93658fb9 2020-03-18 stsp #include <ctype.h>
37 93658fb9 2020-03-18 stsp #include <limits.h>
38 93658fb9 2020-03-18 stsp #include <time.h>
39 93658fb9 2020-03-18 stsp
40 93658fb9 2020-03-18 stsp #include "got_error.h"
41 93658fb9 2020-03-18 stsp #include "got_reference.h"
42 93658fb9 2020-03-18 stsp #include "got_repository.h"
43 93658fb9 2020-03-18 stsp #include "got_path.h"
44 93658fb9 2020-03-18 stsp #include "got_cancel.h"
45 93658fb9 2020-03-18 stsp #include "got_worktree.h"
46 93658fb9 2020-03-18 stsp #include "got_object.h"
47 fe4e1501 2020-03-18 stsp #include "got_opentemp.h"
48 82ebf666 2020-03-18 stsp #include "got_fetch.h"
49 93658fb9 2020-03-18 stsp
50 93658fb9 2020-03-18 stsp #include "got_lib_delta.h"
51 93658fb9 2020-03-18 stsp #include "got_lib_inflate.h"
52 93658fb9 2020-03-18 stsp #include "got_lib_object.h"
53 93658fb9 2020-03-18 stsp #include "got_lib_object_parse.h"
54 93658fb9 2020-03-18 stsp #include "got_lib_object_create.h"
55 93658fb9 2020-03-18 stsp #include "got_lib_pack.h"
56 be288a59 2023-02-23 thomas #include "got_lib_hash.h"
57 93658fb9 2020-03-18 stsp #include "got_lib_privsep.h"
58 93658fb9 2020-03-18 stsp #include "got_lib_object_cache.h"
59 93658fb9 2020-03-18 stsp #include "got_lib_repository.h"
60 d65a88a2 2021-09-05 stsp #include "got_lib_dial.h"
61 77d7d3bb 2021-09-05 stsp #include "got_lib_pkt.h"
62 d582f26c 2020-03-18 stsp
63 d582f26c 2020-03-18 stsp #ifndef nitems
64 d582f26c 2020-03-18 stsp #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
65 ccf6dd5e 2020-12-19 stsp #endif
66 ccf6dd5e 2020-12-19 stsp
67 ccf6dd5e 2020-12-19 stsp #ifndef ssizeof
68 ccf6dd5e 2020-12-19 stsp #define ssizeof(_x) ((ssize_t)(sizeof(_x)))
69 d582f26c 2020-03-18 stsp #endif
70 93658fb9 2020-03-18 stsp
71 68999b92 2020-03-18 stsp #ifndef MIN
72 68999b92 2020-03-18 stsp #define MIN(_a,_b) ((_a) < (_b) ? (_a) : (_b))
73 68999b92 2020-03-18 stsp #endif
74 68999b92 2020-03-18 stsp
75 20eb36d0 2020-03-18 stsp const struct got_error *
76 9c52365f 2020-03-21 stsp got_fetch_connect(pid_t *fetchpid, int *fetchfd, const char *proto,
77 9c52365f 2020-03-21 stsp const char *host, const char *port, const char *server_path, int verbosity)
78 20eb36d0 2020-03-18 stsp {
79 20eb36d0 2020-03-18 stsp const struct got_error *err = NULL;
80 20eb36d0 2020-03-18 stsp
81 9c52365f 2020-03-21 stsp *fetchpid = -1;
82 20eb36d0 2020-03-18 stsp *fetchfd = -1;
83 20eb36d0 2020-03-18 stsp
84 20eb36d0 2020-03-18 stsp if (strcmp(proto, "ssh") == 0 || strcmp(proto, "git+ssh") == 0)
85 d65a88a2 2021-09-05 stsp err = got_dial_ssh(fetchpid, fetchfd, host, port,
86 5769f9a0 2023-04-22 thomas server_path, GOT_DIAL_CMD_FETCH, verbosity);
87 20eb36d0 2020-03-18 stsp else if (strcmp(proto, "git") == 0)
88 d65a88a2 2021-09-05 stsp err = got_dial_git(fetchfd, host, port, server_path,
89 5769f9a0 2023-04-22 thomas GOT_DIAL_CMD_FETCH);
90 20eb36d0 2020-03-18 stsp else if (strcmp(proto, "http") == 0 || strcmp(proto, "git+http") == 0)
91 20eb36d0 2020-03-18 stsp err = got_error_path(proto, GOT_ERR_NOT_IMPL);
92 20eb36d0 2020-03-18 stsp else
93 20eb36d0 2020-03-18 stsp err = got_error_path(proto, GOT_ERR_BAD_PROTO);
94 82ebf666 2020-03-18 stsp return err;
95 849f7557 2020-03-18 stsp }
96 849f7557 2020-03-18 stsp
97 b235acd4 2021-12-31 thomas const struct got_error *
98 07e52fce 2020-03-18 stsp got_fetch_pack(struct got_object_id **pack_hash, struct got_pathlist_head *refs,
99 469dd726 2020-03-20 stsp struct got_pathlist_head *symrefs, const char *remote_name,
100 4ba14133 2020-03-20 stsp int mirror_references, int fetch_all_branches,
101 0e4002ca 2020-03-21 stsp struct got_pathlist_head *wanted_branches,
102 0e4002ca 2020-03-21 stsp struct got_pathlist_head *wanted_refs, int list_refs_only, int verbosity,
103 9d0a7ee3 2023-02-07 thomas int fetchfd, struct got_repository *repo, const char *worktree_refname,
104 7abf1863 2023-02-20 thomas const char *remote_head, int no_head, got_fetch_progress_cb progress_cb,
105 7abf1863 2023-02-20 thomas void *progress_arg)
106 93658fb9 2020-03-18 stsp {
107 16aeacf7 2020-11-26 stsp size_t i;
108 20eb36d0 2020-03-18 stsp int imsg_fetchfds[2], imsg_idxfds[2];
109 20eb36d0 2020-03-18 stsp int packfd = -1, npackfd = -1, idxfd = -1, nidxfd = -1, nfetchfd = -1;
110 16aeacf7 2020-11-26 stsp int tmpfds[3];
111 85e8591f 2020-03-18 stsp int fetchstatus, idxstatus, done = 0;
112 93658fb9 2020-03-18 stsp const struct got_error *err;
113 85e8591f 2020-03-18 stsp struct imsgbuf fetchibuf, idxibuf;
114 85e8591f 2020-03-18 stsp pid_t fetchpid, idxpid;
115 bb64b798 2020-03-18 stsp char *tmppackpath = NULL, *tmpidxpath = NULL;
116 afa77e03 2020-03-18 stsp char *packpath = NULL, *idxpath = NULL, *id_str = NULL;
117 41b0de12 2020-03-21 stsp const char *repo_path = NULL;
118 33501562 2020-03-18 stsp struct got_pathlist_head have_refs;
119 abe0f35f 2020-03-18 stsp struct got_pathlist_entry *pe;
120 7848a0e1 2020-03-19 stsp struct got_reflist_head my_refs;
121 7848a0e1 2020-03-19 stsp struct got_reflist_entry *re;
122 d2cdc636 2020-03-18 stsp off_t packfile_size = 0;
123 393fb88d 2020-03-21 stsp struct got_packfile_hdr pack_hdr;
124 393fb88d 2020-03-21 stsp uint32_t nobj = 0;
125 ee61b6d3 2020-03-18 stsp char *path;
126 f1c6967f 2020-03-19 stsp char *progress = NULL;
127 92dc95a8 2020-03-24 stsp
128 92dc95a8 2020-03-24 stsp *pack_hash = NULL;
129 41b0de12 2020-03-21 stsp
130 0e4002ca 2020-03-21 stsp /*
131 0e4002ca 2020-03-21 stsp * Prevent fetching of references that won't make any
132 0e4002ca 2020-03-21 stsp * sense outside of the remote repository's context.
133 0e4002ca 2020-03-21 stsp */
134 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry) {
135 0e4002ca 2020-03-21 stsp const char *refname = pe->path;
136 0e4002ca 2020-03-21 stsp if (strncmp(refname, "refs/got/", 9) == 0 ||
137 0e4002ca 2020-03-21 stsp strncmp(refname, "got/", 4) == 0 ||
138 0e4002ca 2020-03-21 stsp strncmp(refname, "refs/remotes/", 13) == 0 ||
139 0e4002ca 2020-03-21 stsp strncmp(refname, "remotes/", 8) == 0)
140 0e4002ca 2020-03-21 stsp return got_error_path(refname, GOT_ERR_FETCH_BAD_REF);
141 0e4002ca 2020-03-21 stsp }
142 0e4002ca 2020-03-21 stsp
143 41b0de12 2020-03-21 stsp if (!list_refs_only)
144 41b0de12 2020-03-21 stsp repo_path = got_repo_get_path_git_dir(repo);
145 abe0f35f 2020-03-18 stsp
146 d582f26c 2020-03-18 stsp for (i = 0; i < nitems(tmpfds); i++)
147 d582f26c 2020-03-18 stsp tmpfds[i] = -1;
148 93658fb9 2020-03-18 stsp
149 33501562 2020-03-18 stsp TAILQ_INIT(&have_refs);
150 d9dff0e5 2020-12-26 stsp TAILQ_INIT(&my_refs);
151 7848a0e1 2020-03-19 stsp
152 41b0de12 2020-03-21 stsp if (!list_refs_only) {
153 41b0de12 2020-03-21 stsp err = got_ref_list(&my_refs, repo, NULL,
154 41b0de12 2020-03-21 stsp got_ref_cmp_by_name, NULL);
155 41b0de12 2020-03-21 stsp if (err)
156 41b0de12 2020-03-21 stsp goto done;
157 41b0de12 2020-03-21 stsp }
158 7848a0e1 2020-03-19 stsp
159 d9dff0e5 2020-12-26 stsp TAILQ_FOREACH(re, &my_refs, entry) {
160 7848a0e1 2020-03-19 stsp struct got_object_id *id;
161 7848a0e1 2020-03-19 stsp const char *refname;
162 7848a0e1 2020-03-19 stsp
163 7848a0e1 2020-03-19 stsp if (got_ref_is_symbolic(re->ref))
164 7848a0e1 2020-03-19 stsp continue;
165 33501562 2020-03-18 stsp
166 726fb900 2021-09-28 thomas err = got_ref_resolve(&id, repo, re->ref);
167 726fb900 2021-09-28 thomas if (err)
168 726fb900 2021-09-28 thomas goto done;
169 726fb900 2021-09-28 thomas refname = strdup(got_ref_get_name(re->ref));
170 726fb900 2021-09-28 thomas if (refname == NULL) {
171 726fb900 2021-09-28 thomas err = got_error_from_errno("strdup");
172 726fb900 2021-09-28 thomas goto done;
173 469dd726 2020-03-20 stsp }
174 726fb900 2021-09-28 thomas err = got_pathlist_append(&have_refs, refname, id);
175 726fb900 2021-09-28 thomas if (err)
176 726fb900 2021-09-28 thomas goto done;
177 7848a0e1 2020-03-19 stsp }
178 7848a0e1 2020-03-19 stsp
179 41b0de12 2020-03-21 stsp if (list_refs_only) {
180 41b0de12 2020-03-21 stsp packfd = got_opentempfd();
181 41b0de12 2020-03-21 stsp if (packfd == -1) {
182 41b0de12 2020-03-21 stsp err = got_error_from_errno("got_opentempfd");
183 41b0de12 2020-03-21 stsp goto done;
184 41b0de12 2020-03-21 stsp }
185 41b0de12 2020-03-21 stsp } else {
186 41b0de12 2020-03-21 stsp if (asprintf(&path, "%s/%s/fetching.pack",
187 41b0de12 2020-03-21 stsp repo_path, GOT_OBJECTS_PACK_DIR) == -1) {
188 41b0de12 2020-03-21 stsp err = got_error_from_errno("asprintf");
189 41b0de12 2020-03-21 stsp goto done;
190 41b0de12 2020-03-21 stsp }
191 fc2a50f2 2022-11-01 thomas err = got_opentemp_named_fd(&tmppackpath, &packfd, path, "");
192 41b0de12 2020-03-21 stsp free(path);
193 41b0de12 2020-03-21 stsp if (err)
194 0843a4ce 2020-10-31 semarie goto done;
195 0843a4ce 2020-10-31 semarie if (fchmod(packfd, GOT_DEFAULT_FILE_MODE) != 0) {
196 0843a4ce 2020-10-31 semarie err = got_error_from_errno2("fchmod", tmppackpath);
197 41b0de12 2020-03-21 stsp goto done;
198 0843a4ce 2020-10-31 semarie }
199 8e278d17 2020-03-18 stsp }
200 41b0de12 2020-03-21 stsp if (list_refs_only) {
201 41b0de12 2020-03-21 stsp idxfd = got_opentempfd();
202 41b0de12 2020-03-21 stsp if (idxfd == -1) {
203 41b0de12 2020-03-21 stsp err = got_error_from_errno("got_opentempfd");
204 41b0de12 2020-03-21 stsp goto done;
205 41b0de12 2020-03-21 stsp }
206 41b0de12 2020-03-21 stsp } else {
207 41b0de12 2020-03-21 stsp if (asprintf(&path, "%s/%s/fetching.idx",
208 41b0de12 2020-03-21 stsp repo_path, GOT_OBJECTS_PACK_DIR) == -1) {
209 41b0de12 2020-03-21 stsp err = got_error_from_errno("asprintf");
210 41b0de12 2020-03-21 stsp goto done;
211 41b0de12 2020-03-21 stsp }
212 fc2a50f2 2022-11-01 thomas err = got_opentemp_named_fd(&tmpidxpath, &idxfd, path, "");
213 41b0de12 2020-03-21 stsp free(path);
214 41b0de12 2020-03-21 stsp if (err)
215 0843a4ce 2020-10-31 semarie goto done;
216 0843a4ce 2020-10-31 semarie if (fchmod(idxfd, GOT_DEFAULT_FILE_MODE) != 0) {
217 0843a4ce 2020-10-31 semarie err = got_error_from_errno2("fchmod", tmpidxpath);
218 41b0de12 2020-03-21 stsp goto done;
219 0843a4ce 2020-10-31 semarie }
220 ee61b6d3 2020-03-18 stsp }
221 93658fb9 2020-03-18 stsp nidxfd = dup(idxfd);
222 8e278d17 2020-03-18 stsp if (nidxfd == -1) {
223 8e278d17 2020-03-18 stsp err = got_error_from_errno("dup");
224 8e278d17 2020-03-18 stsp goto done;
225 8e278d17 2020-03-18 stsp }
226 93658fb9 2020-03-18 stsp
227 d582f26c 2020-03-18 stsp for (i = 0; i < nitems(tmpfds); i++) {
228 d582f26c 2020-03-18 stsp tmpfds[i] = got_opentempfd();
229 d582f26c 2020-03-18 stsp if (tmpfds[i] == -1) {
230 d582f26c 2020-03-18 stsp err = got_error_from_errno("got_opentempfd");
231 d582f26c 2020-03-18 stsp goto done;
232 d582f26c 2020-03-18 stsp }
233 4788f1ce 2020-03-18 stsp }
234 4788f1ce 2020-03-18 stsp
235 8e278d17 2020-03-18 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_fetchfds) == -1) {
236 8e278d17 2020-03-18 stsp err = got_error_from_errno("socketpair");
237 8e278d17 2020-03-18 stsp goto done;
238 8e278d17 2020-03-18 stsp }
239 93658fb9 2020-03-18 stsp
240 85e8591f 2020-03-18 stsp fetchpid = fork();
241 85e8591f 2020-03-18 stsp if (fetchpid == -1) {
242 8e278d17 2020-03-18 stsp err = got_error_from_errno("fork");
243 8e278d17 2020-03-18 stsp goto done;
244 85e8591f 2020-03-18 stsp } else if (fetchpid == 0){
245 8e278d17 2020-03-18 stsp got_privsep_exec_child(imsg_fetchfds,
246 12491971 2020-03-18 stsp GOT_PATH_PROG_FETCH_PACK, tmppackpath);
247 93658fb9 2020-03-18 stsp }
248 93658fb9 2020-03-18 stsp
249 08578a35 2021-01-22 stsp if (close(imsg_fetchfds[1]) == -1) {
250 8e278d17 2020-03-18 stsp err = got_error_from_errno("close");
251 8e278d17 2020-03-18 stsp goto done;
252 8e278d17 2020-03-18 stsp }
253 85e8591f 2020-03-18 stsp imsg_init(&fetchibuf, imsg_fetchfds[0]);
254 20eb36d0 2020-03-18 stsp nfetchfd = dup(fetchfd);
255 20eb36d0 2020-03-18 stsp if (nfetchfd == -1) {
256 20eb36d0 2020-03-18 stsp err = got_error_from_errno("dup");
257 20eb36d0 2020-03-18 stsp goto done;
258 20eb36d0 2020-03-18 stsp }
259 659e7fbd 2020-03-20 stsp err = got_privsep_send_fetch_req(&fetchibuf, nfetchfd, &have_refs,
260 0e4002ca 2020-03-21 stsp fetch_all_branches, wanted_branches, wanted_refs,
261 7abf1863 2023-02-20 thomas list_refs_only, worktree_refname, remote_head, no_head, verbosity);
262 93658fb9 2020-03-18 stsp if (err != NULL)
263 8e278d17 2020-03-18 stsp goto done;
264 20eb36d0 2020-03-18 stsp nfetchfd = -1;
265 93658fb9 2020-03-18 stsp npackfd = dup(packfd);
266 8e278d17 2020-03-18 stsp if (npackfd == -1) {
267 8e278d17 2020-03-18 stsp err = got_error_from_errno("dup");
268 8e278d17 2020-03-18 stsp goto done;
269 8e278d17 2020-03-18 stsp }
270 393fb88d 2020-03-21 stsp err = got_privsep_send_fetch_outfd(&fetchibuf, npackfd);
271 393fb88d 2020-03-21 stsp if (err != NULL)
272 393fb88d 2020-03-21 stsp goto done;
273 393fb88d 2020-03-21 stsp npackfd = -1;
274 8e278d17 2020-03-18 stsp
275 d2cdc636 2020-03-18 stsp packfile_size = 0;
276 77d7d3bb 2021-09-05 stsp progress = calloc(GOT_PKT_MAX, 1);
277 f1c6967f 2020-03-19 stsp if (progress == NULL) {
278 f1c6967f 2020-03-19 stsp err = got_error_from_errno("calloc");
279 f1c6967f 2020-03-19 stsp goto done;
280 f1c6967f 2020-03-19 stsp }
281 1d72a2a0 2020-03-24 stsp
282 1d72a2a0 2020-03-24 stsp *pack_hash = calloc(1, sizeof(**pack_hash));
283 1d72a2a0 2020-03-24 stsp if (*pack_hash == NULL) {
284 1d72a2a0 2020-03-24 stsp err = got_error_from_errno("calloc");
285 1d72a2a0 2020-03-24 stsp goto done;
286 1d72a2a0 2020-03-24 stsp }
287 1d72a2a0 2020-03-24 stsp
288 8f2d01a6 2020-03-18 stsp while (!done) {
289 d9b4d0c0 2020-03-18 stsp struct got_object_id *id = NULL;
290 d9b4d0c0 2020-03-18 stsp char *refname = NULL;
291 531c3985 2020-03-18 stsp char *server_progress = NULL;
292 7848a0e1 2020-03-19 stsp off_t packfile_size_cur = 0;
293 8e278d17 2020-03-18 stsp
294 8f2d01a6 2020-03-18 stsp err = got_privsep_recv_fetch_progress(&done,
295 d2cdc636 2020-03-18 stsp &id, &refname, symrefs, &server_progress,
296 1d72a2a0 2020-03-24 stsp &packfile_size_cur, (*pack_hash)->sha1, &fetchibuf);
297 8f2d01a6 2020-03-18 stsp if (err != NULL)
298 8e278d17 2020-03-18 stsp goto done;
299 ea83355f 2021-10-08 thomas /* Don't report size progress for an empty pack file. */
300 ea83355f 2021-10-08 thomas if (packfile_size_cur <= ssizeof(pack_hdr) + SHA1_DIGEST_LENGTH)
301 ea83355f 2021-10-08 thomas packfile_size_cur = 0;
302 1d72a2a0 2020-03-24 stsp if (!done && refname && id) {
303 41b0de12 2020-03-21 stsp err = got_pathlist_insert(NULL, refs, refname, id);
304 8f2d01a6 2020-03-18 stsp if (err)
305 8e278d17 2020-03-18 stsp goto done;
306 1d72a2a0 2020-03-24 stsp } else if (!done && server_progress) {
307 f1c6967f 2020-03-19 stsp char *p;
308 f1c6967f 2020-03-19 stsp /*
309 f1c6967f 2020-03-19 stsp * XXX git-daemon tends to send batched output with
310 f1c6967f 2020-03-19 stsp * lines spanning separate packets. Buffer progress
311 f1c6967f 2020-03-19 stsp * output until we see a CR or LF to avoid giving
312 f1c6967f 2020-03-19 stsp * partial lines of progress output to the callback.
313 f1c6967f 2020-03-19 stsp */
314 f1c6967f 2020-03-19 stsp if (strlcat(progress, server_progress,
315 77d7d3bb 2021-09-05 stsp GOT_PKT_MAX) >= GOT_PKT_MAX) {
316 f1c6967f 2020-03-19 stsp progress[0] = '\0'; /* discard */
317 f1c6967f 2020-03-19 stsp continue;
318 f1c6967f 2020-03-19 stsp }
319 f1c6967f 2020-03-19 stsp while ((p = strchr(progress, '\r')) != NULL ||
320 f1c6967f 2020-03-19 stsp (p = strchr(progress, '\n')) != NULL) {
321 f1c6967f 2020-03-19 stsp char *s;
322 f1c6967f 2020-03-19 stsp size_t n;
323 f1c6967f 2020-03-19 stsp char c = *p;
324 f1c6967f 2020-03-19 stsp *p = '\0';
325 f1c6967f 2020-03-19 stsp if (asprintf(&s, "%s%s", progress,
326 f1c6967f 2020-03-19 stsp c == '\n' ? "\n" : "") == -1) {
327 f1c6967f 2020-03-19 stsp err = got_error_from_errno("asprintf");
328 f1c6967f 2020-03-19 stsp goto done;
329 f1c6967f 2020-03-19 stsp }
330 668a20f6 2020-03-18 stsp err = progress_cb(progress_arg, s,
331 668a20f6 2020-03-18 stsp packfile_size_cur, 0, 0, 0, 0);
332 f1c6967f 2020-03-19 stsp free(s);
333 531c3985 2020-03-18 stsp if (err)
334 531c3985 2020-03-18 stsp break;
335 f1c6967f 2020-03-19 stsp n = strlen(progress);
336 77d7d3bb 2021-09-05 stsp if (n < GOT_PKT_MAX - 1) {
337 f1c6967f 2020-03-19 stsp memmove(progress, &progress[n + 1],
338 77d7d3bb 2021-09-05 stsp GOT_PKT_MAX - n - 1);
339 f1c6967f 2020-03-19 stsp } else
340 f1c6967f 2020-03-19 stsp progress[0] = '\0';
341 531c3985 2020-03-18 stsp }
342 531c3985 2020-03-18 stsp free(server_progress);
343 531c3985 2020-03-18 stsp if (err)
344 531c3985 2020-03-18 stsp goto done;
345 1d72a2a0 2020-03-24 stsp } else if (!done && packfile_size_cur != packfile_size) {
346 d2cdc636 2020-03-18 stsp err = progress_cb(progress_arg, NULL,
347 668a20f6 2020-03-18 stsp packfile_size_cur, 0, 0, 0, 0);
348 d2cdc636 2020-03-18 stsp if (err)
349 d2cdc636 2020-03-18 stsp break;
350 d2cdc636 2020-03-18 stsp packfile_size = packfile_size_cur;
351 8f2d01a6 2020-03-18 stsp }
352 4049b748 2022-02-16 thomas }
353 4049b748 2022-02-16 thomas if (close(imsg_fetchfds[0]) == -1) {
354 4049b748 2022-02-16 thomas err = got_error_from_errno("close");
355 4049b748 2022-02-16 thomas goto done;
356 8f2d01a6 2020-03-18 stsp }
357 85e8591f 2020-03-18 stsp if (waitpid(fetchpid, &fetchstatus, 0) == -1) {
358 8e278d17 2020-03-18 stsp err = got_error_from_errno("waitpid");
359 393fb88d 2020-03-21 stsp goto done;
360 393fb88d 2020-03-21 stsp }
361 393fb88d 2020-03-21 stsp
362 393fb88d 2020-03-21 stsp if (lseek(packfd, 0, SEEK_SET) == -1) {
363 393fb88d 2020-03-21 stsp err = got_error_from_errno("lseek");
364 8e278d17 2020-03-18 stsp goto done;
365 8e278d17 2020-03-18 stsp }
366 849f7557 2020-03-18 stsp
367 7848a0e1 2020-03-19 stsp /* If zero data was fetched without error we are already up-to-date. */
368 1d72a2a0 2020-03-24 stsp if (packfile_size == 0) {
369 1d72a2a0 2020-03-24 stsp free(*pack_hash);
370 1d72a2a0 2020-03-24 stsp *pack_hash = NULL;
371 393fb88d 2020-03-21 stsp goto done;
372 ccf6dd5e 2020-12-19 stsp } else if (packfile_size < ssizeof(pack_hdr) + SHA1_DIGEST_LENGTH) {
373 393fb88d 2020-03-21 stsp err = got_error_msg(GOT_ERR_BAD_PACKFILE, "short pack file");
374 393fb88d 2020-03-21 stsp goto done;
375 393fb88d 2020-03-21 stsp } else {
376 393fb88d 2020-03-21 stsp ssize_t n;
377 393fb88d 2020-03-21 stsp
378 ccf6dd5e 2020-12-19 stsp n = read(packfd, &pack_hdr, ssizeof(pack_hdr));
379 393fb88d 2020-03-21 stsp if (n == -1) {
380 393fb88d 2020-03-21 stsp err = got_error_from_errno("read");
381 393fb88d 2020-03-21 stsp goto done;
382 393fb88d 2020-03-21 stsp }
383 ccf6dd5e 2020-12-19 stsp if (n != ssizeof(pack_hdr)) {
384 393fb88d 2020-03-21 stsp err = got_error(GOT_ERR_IO);
385 393fb88d 2020-03-21 stsp goto done;
386 393fb88d 2020-03-21 stsp }
387 393fb88d 2020-03-21 stsp if (pack_hdr.signature != htobe32(GOT_PACKFILE_SIGNATURE)) {
388 393fb88d 2020-03-21 stsp err = got_error_msg(GOT_ERR_BAD_PACKFILE,
389 393fb88d 2020-03-21 stsp "bad pack file signature");
390 393fb88d 2020-03-21 stsp goto done;
391 393fb88d 2020-03-21 stsp }
392 393fb88d 2020-03-21 stsp if (pack_hdr.version != htobe32(GOT_PACKFILE_VERSION)) {
393 393fb88d 2020-03-21 stsp err = got_error_msg(GOT_ERR_BAD_PACKFILE,
394 393fb88d 2020-03-21 stsp "bad pack file version");
395 393fb88d 2020-03-21 stsp goto done;
396 393fb88d 2020-03-21 stsp }
397 78fb0967 2020-09-09 naddy nobj = be32toh(pack_hdr.nobjects);
398 393fb88d 2020-03-21 stsp if (nobj == 0 &&
399 98ef866e 2023-07-10 thomas packfile_size > ssizeof(pack_hdr) + SHA1_DIGEST_LENGTH) {
400 98ef866e 2023-07-10 thomas err = got_error_msg(GOT_ERR_BAD_PACKFILE,
401 393fb88d 2020-03-21 stsp "bad pack file with zero objects");
402 98ef866e 2023-07-10 thomas goto done;
403 98ef866e 2023-07-10 thomas }
404 98ef866e 2023-07-10 thomas if (nobj != 0 &&
405 98ef866e 2023-07-10 thomas packfile_size <= ssizeof(pack_hdr) + SHA1_DIGEST_LENGTH) {
406 98ef866e 2023-07-10 thomas err = got_error_msg(GOT_ERR_BAD_PACKFILE,
407 393fb88d 2020-03-21 stsp "empty pack file with non-zero object count");
408 98ef866e 2023-07-10 thomas goto done;
409 98ef866e 2023-07-10 thomas }
410 393fb88d 2020-03-21 stsp }
411 393fb88d 2020-03-21 stsp
412 393fb88d 2020-03-21 stsp /*
413 393fb88d 2020-03-21 stsp * If the pack file contains no objects, we may only need to update
414 393fb88d 2020-03-21 stsp * references in our repository. The caller will take care of that.
415 393fb88d 2020-03-21 stsp */
416 ea83355f 2021-10-08 thomas if (nobj == 0) {
417 ea83355f 2021-10-08 thomas free(*pack_hash);
418 ea83355f 2021-10-08 thomas *pack_hash = NULL;
419 849f7557 2020-03-18 stsp goto done;
420 ea83355f 2021-10-08 thomas }
421 393fb88d 2020-03-21 stsp
422 393fb88d 2020-03-21 stsp if (lseek(packfd, 0, SEEK_SET) == -1) {
423 393fb88d 2020-03-21 stsp err = got_error_from_errno("lseek");
424 393fb88d 2020-03-21 stsp goto done;
425 393fb88d 2020-03-21 stsp }
426 b6b86fd1 2022-08-30 thomas
427 8e278d17 2020-03-18 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_idxfds) == -1) {
428 8e278d17 2020-03-18 stsp err = got_error_from_errno("socketpair");
429 8e278d17 2020-03-18 stsp goto done;
430 8e278d17 2020-03-18 stsp }
431 85e8591f 2020-03-18 stsp idxpid = fork();
432 85e8591f 2020-03-18 stsp if (idxpid == -1) {
433 8e278d17 2020-03-18 stsp err= got_error_from_errno("fork");
434 8e278d17 2020-03-18 stsp goto done;
435 85e8591f 2020-03-18 stsp } else if (idxpid == 0)
436 8e278d17 2020-03-18 stsp got_privsep_exec_child(imsg_idxfds,
437 12491971 2020-03-18 stsp GOT_PATH_PROG_INDEX_PACK, tmppackpath);
438 08578a35 2021-01-22 stsp if (close(imsg_idxfds[1]) == -1) {
439 8e278d17 2020-03-18 stsp err = got_error_from_errno("close");
440 8e278d17 2020-03-18 stsp goto done;
441 8e278d17 2020-03-18 stsp }
442 85e8591f 2020-03-18 stsp imsg_init(&idxibuf, imsg_idxfds[0]);
443 93658fb9 2020-03-18 stsp
444 393fb88d 2020-03-21 stsp npackfd = dup(packfd);
445 393fb88d 2020-03-21 stsp if (npackfd == -1) {
446 393fb88d 2020-03-21 stsp err = got_error_from_errno("dup");
447 393fb88d 2020-03-21 stsp goto done;
448 393fb88d 2020-03-21 stsp }
449 668a20f6 2020-03-18 stsp err = got_privsep_send_index_pack_req(&idxibuf, (*pack_hash)->sha1,
450 668a20f6 2020-03-18 stsp npackfd);
451 93658fb9 2020-03-18 stsp if (err != NULL)
452 8e278d17 2020-03-18 stsp goto done;
453 8e278d17 2020-03-18 stsp npackfd = -1;
454 73ab1060 2020-03-18 stsp err = got_privsep_send_index_pack_outfd(&idxibuf, nidxfd);
455 93658fb9 2020-03-18 stsp if (err != NULL)
456 8e278d17 2020-03-18 stsp goto done;
457 8e278d17 2020-03-18 stsp nidxfd = -1;
458 d582f26c 2020-03-18 stsp for (i = 0; i < nitems(tmpfds); i++) {
459 d582f26c 2020-03-18 stsp err = got_privsep_send_tmpfd(&idxibuf, tmpfds[i]);
460 d582f26c 2020-03-18 stsp if (err != NULL)
461 d582f26c 2020-03-18 stsp goto done;
462 d582f26c 2020-03-18 stsp tmpfds[i] = -1;
463 d582f26c 2020-03-18 stsp }
464 baa9fea0 2020-03-18 stsp done = 0;
465 baa9fea0 2020-03-18 stsp while (!done) {
466 668a20f6 2020-03-18 stsp int nobj_total, nobj_indexed, nobj_loose, nobj_resolved;
467 668a20f6 2020-03-18 stsp
468 668a20f6 2020-03-18 stsp err = got_privsep_recv_index_progress(&done, &nobj_total,
469 668a20f6 2020-03-18 stsp &nobj_indexed, &nobj_loose, &nobj_resolved,
470 668a20f6 2020-03-18 stsp &idxibuf);
471 baa9fea0 2020-03-18 stsp if (err != NULL)
472 baa9fea0 2020-03-18 stsp goto done;
473 668a20f6 2020-03-18 stsp if (nobj_indexed != 0) {
474 baa9fea0 2020-03-18 stsp err = progress_cb(progress_arg, NULL,
475 668a20f6 2020-03-18 stsp packfile_size, nobj_total,
476 668a20f6 2020-03-18 stsp nobj_indexed, nobj_loose, nobj_resolved);
477 baa9fea0 2020-03-18 stsp if (err)
478 baa9fea0 2020-03-18 stsp break;
479 baa9fea0 2020-03-18 stsp }
480 baa9fea0 2020-03-18 stsp }
481 8e278d17 2020-03-18 stsp if (close(imsg_idxfds[0]) == -1) {
482 8e278d17 2020-03-18 stsp err = got_error_from_errno("close");
483 8e278d17 2020-03-18 stsp goto done;
484 8e278d17 2020-03-18 stsp }
485 85e8591f 2020-03-18 stsp if (waitpid(idxpid, &idxstatus, 0) == -1) {
486 8e278d17 2020-03-18 stsp err = got_error_from_errno("waitpid");
487 8e278d17 2020-03-18 stsp goto done;
488 8e278d17 2020-03-18 stsp }
489 93658fb9 2020-03-18 stsp
490 d9b4d0c0 2020-03-18 stsp err = got_object_id_str(&id_str, *pack_hash);
491 afa77e03 2020-03-18 stsp if (err)
492 8e278d17 2020-03-18 stsp goto done;
493 66cba96f 2020-03-18 stsp if (asprintf(&packpath, "%s/%s/pack-%s.pack",
494 66cba96f 2020-03-18 stsp repo_path, GOT_OBJECTS_PACK_DIR, id_str) == -1) {
495 8e278d17 2020-03-18 stsp err = got_error_from_errno("asprintf");
496 8e278d17 2020-03-18 stsp goto done;
497 8e278d17 2020-03-18 stsp }
498 93658fb9 2020-03-18 stsp
499 66cba96f 2020-03-18 stsp if (asprintf(&idxpath, "%s/%s/pack-%s.idx",
500 66cba96f 2020-03-18 stsp repo_path, GOT_OBJECTS_PACK_DIR, id_str) == -1) {
501 8e278d17 2020-03-18 stsp err = got_error_from_errno("asprintf");
502 8e278d17 2020-03-18 stsp goto done;
503 8e278d17 2020-03-18 stsp }
504 cddff777 2022-04-16 thomas free(id_str);
505 cddff777 2022-04-16 thomas id_str = NULL;
506 afa77e03 2020-03-18 stsp
507 8e278d17 2020-03-18 stsp if (rename(tmppackpath, packpath) == -1) {
508 8e278d17 2020-03-18 stsp err = got_error_from_errno3("rename", tmppackpath, packpath);
509 8e278d17 2020-03-18 stsp goto done;
510 8e278d17 2020-03-18 stsp }
511 7848a0e1 2020-03-19 stsp free(tmppackpath);
512 7848a0e1 2020-03-19 stsp tmppackpath = NULL;
513 8e278d17 2020-03-18 stsp if (rename(tmpidxpath, idxpath) == -1) {
514 8e278d17 2020-03-18 stsp err = got_error_from_errno3("rename", tmpidxpath, idxpath);
515 8e278d17 2020-03-18 stsp goto done;
516 8e278d17 2020-03-18 stsp }
517 7848a0e1 2020-03-19 stsp free(tmpidxpath);
518 7848a0e1 2020-03-19 stsp tmpidxpath = NULL;
519 ee61b6d3 2020-03-18 stsp
520 8e278d17 2020-03-18 stsp done:
521 7848a0e1 2020-03-19 stsp if (tmppackpath && unlink(tmppackpath) == -1 && err == NULL)
522 7848a0e1 2020-03-19 stsp err = got_error_from_errno2("unlink", tmppackpath);
523 7848a0e1 2020-03-19 stsp if (tmpidxpath && unlink(tmpidxpath) == -1 && err == NULL)
524 7848a0e1 2020-03-19 stsp err = got_error_from_errno2("unlink", tmpidxpath);
525 20eb36d0 2020-03-18 stsp if (nfetchfd != -1 && close(nfetchfd) == -1 && err == NULL)
526 8e278d17 2020-03-18 stsp err = got_error_from_errno("close");
527 8e278d17 2020-03-18 stsp if (npackfd != -1 && close(npackfd) == -1 && err == NULL)
528 8e278d17 2020-03-18 stsp err = got_error_from_errno("close");
529 8e278d17 2020-03-18 stsp if (packfd != -1 && close(packfd) == -1 && err == NULL)
530 8e278d17 2020-03-18 stsp err = got_error_from_errno("close");
531 8e278d17 2020-03-18 stsp if (idxfd != -1 && close(idxfd) == -1 && err == NULL)
532 8e278d17 2020-03-18 stsp err = got_error_from_errno("close");
533 d582f26c 2020-03-18 stsp for (i = 0; i < nitems(tmpfds); i++) {
534 d582f26c 2020-03-18 stsp if (tmpfds[i] != -1 && close(tmpfds[i]) == -1 && err == NULL)
535 d582f26c 2020-03-18 stsp err = got_error_from_errno("close");
536 d582f26c 2020-03-18 stsp }
537 afa77e03 2020-03-18 stsp free(tmppackpath);
538 afa77e03 2020-03-18 stsp free(tmpidxpath);
539 fe4e1501 2020-03-18 stsp free(idxpath);
540 cddff777 2022-04-16 thomas free(id_str);
541 afa77e03 2020-03-18 stsp free(packpath);
542 f1c6967f 2020-03-19 stsp free(progress);
543 fe4e1501 2020-03-18 stsp
544 21c2d8be 2023-01-10 thomas got_pathlist_free(&have_refs, GOT_PATHLIST_FREE_ALL);
545 7848a0e1 2020-03-19 stsp got_ref_list_free(&my_refs);
546 d9b4d0c0 2020-03-18 stsp if (err) {
547 d9b4d0c0 2020-03-18 stsp free(*pack_hash);
548 d9b4d0c0 2020-03-18 stsp *pack_hash = NULL;
549 21c2d8be 2023-01-10 thomas got_pathlist_free(refs, GOT_PATHLIST_FREE_ALL);
550 21c2d8be 2023-01-10 thomas got_pathlist_free(symrefs, GOT_PATHLIST_FREE_ALL);
551 d9b4d0c0 2020-03-18 stsp }
552 8e278d17 2020-03-18 stsp return err;
553 93658fb9 2020-03-18 stsp }