Blame


1 2178c42e 2018-04-22 stsp /*
2 5aa81393 2020-01-06 stsp * Copyright (c) 2018, 2019, 2020 Stefan Sperling <stsp@openbsd.org>
3 93658fb9 2020-03-18 stsp * Copyright (c) 2020 Ori Bernstein <ori@openbsd.org>
4 2178c42e 2018-04-22 stsp *
5 2178c42e 2018-04-22 stsp * Permission to use, copy, modify, and distribute this software for any
6 2178c42e 2018-04-22 stsp * purpose with or without fee is hereby granted, provided that the above
7 2178c42e 2018-04-22 stsp * copyright notice and this permission notice appear in all copies.
8 2178c42e 2018-04-22 stsp *
9 2178c42e 2018-04-22 stsp * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 2178c42e 2018-04-22 stsp * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 2178c42e 2018-04-22 stsp * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 2178c42e 2018-04-22 stsp * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 2178c42e 2018-04-22 stsp * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 2178c42e 2018-04-22 stsp * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 2178c42e 2018-04-22 stsp * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 2178c42e 2018-04-22 stsp */
17 2178c42e 2018-04-22 stsp
18 2178c42e 2018-04-22 stsp #include <sys/types.h>
19 2178c42e 2018-04-22 stsp #include <sys/queue.h>
20 2178c42e 2018-04-22 stsp #include <sys/uio.h>
21 876c234b 2018-09-10 stsp #include <sys/wait.h>
22 2178c42e 2018-04-22 stsp
23 531c3985 2020-03-18 stsp #include <ctype.h>
24 23c57b28 2020-09-11 naddy #include <limits.h>
25 a486b62b 2021-05-18 stsp #include <signal.h>
26 2178c42e 2018-04-22 stsp #include <stdio.h>
27 2178c42e 2018-04-22 stsp #include <stdlib.h>
28 2178c42e 2018-04-22 stsp #include <string.h>
29 2178c42e 2018-04-22 stsp #include <errno.h>
30 2178c42e 2018-04-22 stsp #include <stdint.h>
31 2178c42e 2018-04-22 stsp #include <poll.h>
32 2178c42e 2018-04-22 stsp #include <imsg.h>
33 2178c42e 2018-04-22 stsp #include <sha1.h>
34 69c6accf 2023-02-04 op #include <sha2.h>
35 81a12da5 2020-09-09 naddy #include <unistd.h>
36 2178c42e 2018-04-22 stsp #include <zlib.h>
37 2178c42e 2018-04-22 stsp
38 2178c42e 2018-04-22 stsp #include "got_object.h"
39 2178c42e 2018-04-22 stsp #include "got_error.h"
40 3022d272 2019-11-14 stsp #include "got_path.h"
41 cd95becd 2019-11-29 stsp #include "got_repository.h"
42 2178c42e 2018-04-22 stsp
43 1362b0e3 2023-02-04 op #include "got_lib_hash.h"
44 2178c42e 2018-04-22 stsp #include "got_lib_delta.h"
45 63581804 2018-07-09 stsp #include "got_lib_inflate.h"
46 2178c42e 2018-04-22 stsp #include "got_lib_object.h"
47 a440fac0 2018-09-06 stsp #include "got_lib_object_parse.h"
48 2178c42e 2018-04-22 stsp #include "got_lib_privsep.h"
49 876c234b 2018-09-10 stsp #include "got_lib_pack.h"
50 13b2bc37 2022-10-23 stsp #include "got_lib_poll.h"
51 336075a4 2022-06-25 op
52 336075a4 2022-06-25 op #include "got_privsep.h"
53 2178c42e 2018-04-22 stsp
54 2178c42e 2018-04-22 stsp #ifndef MIN
55 2178c42e 2018-04-22 stsp #define MIN(_a,_b) ((_a) < (_b) ? (_a) : (_b))
56 c39c25dd 2019-08-09 stsp #endif
57 c39c25dd 2019-08-09 stsp
58 c39c25dd 2019-08-09 stsp #ifndef nitems
59 c39c25dd 2019-08-09 stsp #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
60 2178c42e 2018-04-22 stsp #endif
61 2178c42e 2018-04-22 stsp
62 2178c42e 2018-04-22 stsp static const struct got_error *
63 e033d803 2018-04-23 stsp read_imsg(struct imsgbuf *ibuf)
64 fe36cf76 2018-04-23 stsp {
65 fe36cf76 2018-04-23 stsp const struct got_error *err;
66 e033d803 2018-04-23 stsp size_t n;
67 fe36cf76 2018-04-23 stsp
68 13b2bc37 2022-10-23 stsp err = got_poll_fd(ibuf->fd, POLLIN, INFTIM);
69 13b2bc37 2022-10-23 stsp if (err) {
70 13b2bc37 2022-10-23 stsp if (err->code == GOT_ERR_EOF)
71 13b2bc37 2022-10-23 stsp return got_error(GOT_ERR_PRIVSEP_PIPE);
72 c9b75c7b 2022-05-19 stsp return err;
73 13b2bc37 2022-10-23 stsp }
74 fe36cf76 2018-04-23 stsp
75 fe36cf76 2018-04-23 stsp n = imsg_read(ibuf);
76 fe36cf76 2018-04-23 stsp if (n == -1) {
77 fe36cf76 2018-04-23 stsp if (errno == EAGAIN) /* Could be a file-descriptor leak. */
78 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_NO_FD);
79 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_READ);
80 fe36cf76 2018-04-23 stsp }
81 fe36cf76 2018-04-23 stsp if (n == 0)
82 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_PIPE);
83 fe36cf76 2018-04-23 stsp
84 e033d803 2018-04-23 stsp return NULL;
85 e033d803 2018-04-23 stsp }
86 e033d803 2018-04-23 stsp
87 ad242220 2018-09-08 stsp const struct got_error *
88 876c234b 2018-09-10 stsp got_privsep_wait_for_child(pid_t pid)
89 876c234b 2018-09-10 stsp {
90 876c234b 2018-09-10 stsp int child_status;
91 876c234b 2018-09-10 stsp
92 2cb49fa8 2019-05-10 stsp if (waitpid(pid, &child_status, 0) == -1)
93 638f9024 2019-05-13 stsp return got_error_from_errno("waitpid");
94 876c234b 2018-09-10 stsp
95 876c234b 2018-09-10 stsp if (!WIFEXITED(child_status))
96 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_DIED);
97 876c234b 2018-09-10 stsp
98 876c234b 2018-09-10 stsp if (WEXITSTATUS(child_status) != 0)
99 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_EXIT);
100 876c234b 2018-09-10 stsp
101 876c234b 2018-09-10 stsp return NULL;
102 876c234b 2018-09-10 stsp }
103 876c234b 2018-09-10 stsp
104 73b7854a 2018-11-11 stsp static const struct got_error *
105 73b7854a 2018-11-11 stsp recv_imsg_error(struct imsg *imsg, size_t datalen)
106 73b7854a 2018-11-11 stsp {
107 73b7854a 2018-11-11 stsp struct got_imsg_error *ierr;
108 73b7854a 2018-11-11 stsp
109 73b7854a 2018-11-11 stsp if (datalen != sizeof(*ierr))
110 73b7854a 2018-11-11 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
111 73b7854a 2018-11-11 stsp
112 73b7854a 2018-11-11 stsp ierr = imsg->data;
113 73b7854a 2018-11-11 stsp if (ierr->code == GOT_ERR_ERRNO) {
114 73b7854a 2018-11-11 stsp static struct got_error serr;
115 73b7854a 2018-11-11 stsp serr.code = GOT_ERR_ERRNO;
116 73b7854a 2018-11-11 stsp serr.msg = strerror(ierr->errno_code);
117 73b7854a 2018-11-11 stsp return &serr;
118 73b7854a 2018-11-11 stsp }
119 73b7854a 2018-11-11 stsp
120 73b7854a 2018-11-11 stsp return got_error(ierr->code);
121 73b7854a 2018-11-11 stsp }
122 73b7854a 2018-11-11 stsp
123 876c234b 2018-09-10 stsp const struct got_error *
124 46de5bfd 2018-11-11 stsp got_privsep_recv_imsg(struct imsg *imsg, struct imsgbuf *ibuf,
125 46de5bfd 2018-11-11 stsp size_t min_datalen)
126 e033d803 2018-04-23 stsp {
127 e033d803 2018-04-23 stsp const struct got_error *err;
128 e033d803 2018-04-23 stsp ssize_t n;
129 e033d803 2018-04-23 stsp
130 e033d803 2018-04-23 stsp n = imsg_get(ibuf, imsg);
131 876c234b 2018-09-10 stsp if (n == -1)
132 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_get");
133 876c234b 2018-09-10 stsp
134 876c234b 2018-09-10 stsp while (n == 0) {
135 876c234b 2018-09-10 stsp err = read_imsg(ibuf);
136 876c234b 2018-09-10 stsp if (err)
137 876c234b 2018-09-10 stsp return err;
138 876c234b 2018-09-10 stsp n = imsg_get(ibuf, imsg);
139 cbfaaf20 2020-01-06 stsp if (n == -1)
140 cbfaaf20 2020-01-06 stsp return got_error_from_errno("imsg_get");
141 876c234b 2018-09-10 stsp }
142 fe36cf76 2018-04-23 stsp
143 fe36cf76 2018-04-23 stsp if (imsg->hdr.len < IMSG_HEADER_SIZE + min_datalen)
144 c4eae628 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
145 c4eae628 2018-04-23 stsp
146 73b7854a 2018-11-11 stsp if (imsg->hdr.type == GOT_IMSG_ERROR) {
147 73b7854a 2018-11-11 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
148 73b7854a 2018-11-11 stsp return recv_imsg_error(imsg, datalen);
149 c4eae628 2018-04-23 stsp }
150 c4eae628 2018-04-23 stsp
151 73b7854a 2018-11-11 stsp return NULL;
152 c4eae628 2018-04-23 stsp }
153 c4eae628 2018-04-23 stsp
154 2178c42e 2018-04-22 stsp /* Attempt to send an error in an imsg. Complain on stderr as a last resort. */
155 2178c42e 2018-04-22 stsp void
156 2178c42e 2018-04-22 stsp got_privsep_send_error(struct imsgbuf *ibuf, const struct got_error *err)
157 2178c42e 2018-04-22 stsp {
158 2178c42e 2018-04-22 stsp const struct got_error *poll_err;
159 2178c42e 2018-04-22 stsp struct got_imsg_error ierr;
160 2178c42e 2018-04-22 stsp int ret;
161 2178c42e 2018-04-22 stsp
162 2178c42e 2018-04-22 stsp ierr.code = err->code;
163 2178c42e 2018-04-22 stsp if (err->code == GOT_ERR_ERRNO)
164 2178c42e 2018-04-22 stsp ierr.errno_code = errno;
165 2178c42e 2018-04-22 stsp else
166 2178c42e 2018-04-22 stsp ierr.errno_code = 0;
167 2178c42e 2018-04-22 stsp ret = imsg_compose(ibuf, GOT_IMSG_ERROR, 0, 0, -1, &ierr, sizeof(ierr));
168 e93cd828 2018-11-11 stsp if (ret == -1) {
169 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_compose: %s\n",
170 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
171 5d43e84d 2018-04-23 stsp return;
172 2178c42e 2018-04-22 stsp }
173 2178c42e 2018-04-22 stsp
174 13b2bc37 2022-10-23 stsp poll_err = got_poll_fd(ibuf->fd, POLLOUT, INFTIM);
175 5d43e84d 2018-04-23 stsp if (poll_err) {
176 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": poll: %s\n",
177 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, poll_err->msg);
178 5d43e84d 2018-04-23 stsp return;
179 5d43e84d 2018-04-23 stsp }
180 2178c42e 2018-04-22 stsp
181 2178c42e 2018-04-22 stsp ret = imsg_flush(ibuf);
182 5d43e84d 2018-04-23 stsp if (ret == -1) {
183 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_flush: %s\n",
184 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
185 8934ea8b 2022-02-14 op imsg_clear(ibuf);
186 5d43e84d 2018-04-23 stsp return;
187 5d43e84d 2018-04-23 stsp }
188 e033d803 2018-04-23 stsp }
189 e033d803 2018-04-23 stsp
190 e033d803 2018-04-23 stsp static const struct got_error *
191 e033d803 2018-04-23 stsp flush_imsg(struct imsgbuf *ibuf)
192 e033d803 2018-04-23 stsp {
193 e033d803 2018-04-23 stsp const struct got_error *err;
194 e033d803 2018-04-23 stsp
195 13b2bc37 2022-10-23 stsp err = got_poll_fd(ibuf->fd, POLLOUT, INFTIM);
196 e033d803 2018-04-23 stsp if (err)
197 e033d803 2018-04-23 stsp return err;
198 e033d803 2018-04-23 stsp
199 8934ea8b 2022-02-14 op if (imsg_flush(ibuf) == -1) {
200 8934ea8b 2022-02-14 op imsg_clear(ibuf);
201 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_flush");
202 8934ea8b 2022-02-14 op }
203 e033d803 2018-04-23 stsp
204 e033d803 2018-04-23 stsp return NULL;
205 ad242220 2018-09-08 stsp }
206 ad242220 2018-09-08 stsp
207 ad242220 2018-09-08 stsp const struct got_error *
208 e70bf110 2020-03-22 stsp got_privsep_flush_imsg(struct imsgbuf *ibuf)
209 e70bf110 2020-03-22 stsp {
210 e70bf110 2020-03-22 stsp return flush_imsg(ibuf);
211 e70bf110 2020-03-22 stsp }
212 e70bf110 2020-03-22 stsp
213 e70bf110 2020-03-22 stsp const struct got_error *
214 ad242220 2018-09-08 stsp got_privsep_send_stop(int fd)
215 ad242220 2018-09-08 stsp {
216 ad242220 2018-09-08 stsp const struct got_error *err = NULL;
217 ad242220 2018-09-08 stsp struct imsgbuf ibuf;
218 ad242220 2018-09-08 stsp
219 ad242220 2018-09-08 stsp imsg_init(&ibuf, fd);
220 ad242220 2018-09-08 stsp
221 ad242220 2018-09-08 stsp if (imsg_compose(&ibuf, GOT_IMSG_STOP, 0, 0, -1, NULL, 0) == -1)
222 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose STOP");
223 ad242220 2018-09-08 stsp
224 ad242220 2018-09-08 stsp err = flush_imsg(&ibuf);
225 ad242220 2018-09-08 stsp return err;
226 7762fe12 2018-11-05 stsp }
227 93658fb9 2020-03-18 stsp
228 93658fb9 2020-03-18 stsp const struct got_error *
229 d5c81d44 2021-07-08 stsp got_privsep_send_obj_req(struct imsgbuf *ibuf, int fd,
230 d5c81d44 2021-07-08 stsp struct got_object_id *id)
231 ad242220 2018-09-08 stsp {
232 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT_REQUEST, 0, 0, fd,
233 d5c81d44 2021-07-08 stsp id, sizeof(*id)) == -1)
234 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT_REQUEST");
235 59d1e4a0 2021-03-10 stsp
236 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
237 59d1e4a0 2021-03-10 stsp }
238 59d1e4a0 2021-03-10 stsp
239 59d1e4a0 2021-03-10 stsp const struct got_error *
240 d5c81d44 2021-07-08 stsp got_privsep_send_raw_obj_req(struct imsgbuf *ibuf, int fd,
241 d5c81d44 2021-07-08 stsp struct got_object_id *id)
242 59d1e4a0 2021-03-10 stsp {
243 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_OBJECT_REQUEST, 0, 0, fd,
244 d5c81d44 2021-07-08 stsp id, sizeof(*id)) == -1)
245 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose RAW_OBJECT_REQUEST");
246 59d1e4a0 2021-03-10 stsp
247 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
248 59d1e4a0 2021-03-10 stsp }
249 59d1e4a0 2021-03-10 stsp
250 59d1e4a0 2021-03-10 stsp const struct got_error *
251 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj_outfd(struct imsgbuf *ibuf, int outfd)
252 59d1e4a0 2021-03-10 stsp {
253 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
254 59d1e4a0 2021-03-10 stsp
255 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_OBJECT_OUTFD, 0, 0, outfd, NULL, 0)
256 59d1e4a0 2021-03-10 stsp == -1) {
257 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_compose RAW_OBJECT_OUTFD");
258 59d1e4a0 2021-03-10 stsp close(outfd);
259 59d1e4a0 2021-03-10 stsp return err;
260 59d1e4a0 2021-03-10 stsp }
261 59d1e4a0 2021-03-10 stsp
262 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
263 59d1e4a0 2021-03-10 stsp }
264 59d1e4a0 2021-03-10 stsp
265 59d1e4a0 2021-03-10 stsp const struct got_error *
266 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj(struct imsgbuf *ibuf, off_t size, size_t hdrlen,
267 59d1e4a0 2021-03-10 stsp uint8_t *data)
268 59d1e4a0 2021-03-10 stsp {
269 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
270 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj iobj;
271 59d1e4a0 2021-03-10 stsp size_t len = sizeof(iobj);
272 59d1e4a0 2021-03-10 stsp struct ibuf *wbuf;
273 1785f84a 2018-12-23 stsp
274 031611fc 2022-06-18 op memset(&iobj, 0, sizeof(iobj));
275 59d1e4a0 2021-03-10 stsp iobj.hdrlen = hdrlen;
276 59d1e4a0 2021-03-10 stsp iobj.size = size;
277 59d1e4a0 2021-03-10 stsp
278 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX)
279 a8591711 2021-06-18 stsp len += (size_t)size + hdrlen;
280 59d1e4a0 2021-03-10 stsp
281 59d1e4a0 2021-03-10 stsp wbuf = imsg_create(ibuf, GOT_IMSG_RAW_OBJECT, 0, 0, len);
282 59d1e4a0 2021-03-10 stsp if (wbuf == NULL) {
283 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_create RAW_OBJECT");
284 59d1e4a0 2021-03-10 stsp return err;
285 59d1e4a0 2021-03-10 stsp }
286 59d1e4a0 2021-03-10 stsp
287 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &iobj, sizeof(iobj)) == -1)
288 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add RAW_OBJECT");
289 59d1e4a0 2021-03-10 stsp
290 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
291 1453347d 2022-05-19 stsp if (imsg_add(wbuf, data, size + hdrlen) == -1)
292 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add RAW_OBJECT");
293 59d1e4a0 2021-03-10 stsp }
294 59d1e4a0 2021-03-10 stsp
295 59d1e4a0 2021-03-10 stsp wbuf->fd = -1;
296 59d1e4a0 2021-03-10 stsp imsg_close(ibuf, wbuf);
297 59d1e4a0 2021-03-10 stsp
298 1785f84a 2018-12-23 stsp return flush_imsg(ibuf);
299 1785f84a 2018-12-23 stsp }
300 1785f84a 2018-12-23 stsp
301 1785f84a 2018-12-23 stsp const struct got_error *
302 59d1e4a0 2021-03-10 stsp got_privsep_recv_raw_obj(uint8_t **outbuf, off_t *size, size_t *hdrlen,
303 59d1e4a0 2021-03-10 stsp struct imsgbuf *ibuf)
304 59d1e4a0 2021-03-10 stsp {
305 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
306 59d1e4a0 2021-03-10 stsp struct imsg imsg;
307 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj *iobj;
308 59d1e4a0 2021-03-10 stsp size_t datalen;
309 59d1e4a0 2021-03-10 stsp
310 59d1e4a0 2021-03-10 stsp *outbuf = NULL;
311 59d1e4a0 2021-03-10 stsp
312 59d1e4a0 2021-03-10 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
313 59d1e4a0 2021-03-10 stsp if (err)
314 59d1e4a0 2021-03-10 stsp return err;
315 59d1e4a0 2021-03-10 stsp
316 59d1e4a0 2021-03-10 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
317 59d1e4a0 2021-03-10 stsp
318 59d1e4a0 2021-03-10 stsp switch (imsg.hdr.type) {
319 59d1e4a0 2021-03-10 stsp case GOT_IMSG_RAW_OBJECT:
320 59d1e4a0 2021-03-10 stsp if (datalen < sizeof(*iobj)) {
321 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
322 59d1e4a0 2021-03-10 stsp break;
323 59d1e4a0 2021-03-10 stsp }
324 59d1e4a0 2021-03-10 stsp iobj = imsg.data;
325 59d1e4a0 2021-03-10 stsp *size = iobj->size;
326 59d1e4a0 2021-03-10 stsp *hdrlen = iobj->hdrlen;
327 59d1e4a0 2021-03-10 stsp
328 59d1e4a0 2021-03-10 stsp if (datalen == sizeof(*iobj)) {
329 59d1e4a0 2021-03-10 stsp /* Data has been written to file descriptor. */
330 59d1e4a0 2021-03-10 stsp break;
331 59d1e4a0 2021-03-10 stsp }
332 59d1e4a0 2021-03-10 stsp
333 c98b0f0b 2022-06-14 op if (*size < 0 ||
334 c98b0f0b 2022-06-14 op *size + *hdrlen > GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
335 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
336 59d1e4a0 2021-03-10 stsp break;
337 59d1e4a0 2021-03-10 stsp }
338 59d1e4a0 2021-03-10 stsp
339 a8591711 2021-06-18 stsp *outbuf = malloc(*size + *hdrlen);
340 59d1e4a0 2021-03-10 stsp if (*outbuf == NULL) {
341 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("malloc");
342 59d1e4a0 2021-03-10 stsp break;
343 59d1e4a0 2021-03-10 stsp }
344 a8591711 2021-06-18 stsp memcpy(*outbuf, imsg.data + sizeof(*iobj), *size + *hdrlen);
345 59d1e4a0 2021-03-10 stsp break;
346 59d1e4a0 2021-03-10 stsp default:
347 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
348 59d1e4a0 2021-03-10 stsp break;
349 59d1e4a0 2021-03-10 stsp }
350 59d1e4a0 2021-03-10 stsp
351 59d1e4a0 2021-03-10 stsp imsg_free(&imsg);
352 59d1e4a0 2021-03-10 stsp
353 59d1e4a0 2021-03-10 stsp return err;
354 59d1e4a0 2021-03-10 stsp }
355 59d1e4a0 2021-03-10 stsp
356 59d1e4a0 2021-03-10 stsp const struct got_error *
357 1785f84a 2018-12-23 stsp got_privsep_send_commit_req(struct imsgbuf *ibuf, int fd,
358 1785f84a 2018-12-23 stsp struct got_object_id *id, int pack_idx)
359 1785f84a 2018-12-23 stsp {
360 41496140 2019-02-21 stsp const struct got_error *err = NULL;
361 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
362 d5c81d44 2021-07-08 stsp void *data;
363 1785f84a 2018-12-23 stsp size_t len;
364 1785f84a 2018-12-23 stsp
365 031611fc 2022-06-18 op memset(&iobj, 0, sizeof(iobj));
366 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* commit is packed */
367 1785f84a 2018-12-23 stsp iobj.idx = pack_idx;
368 265df21f 2023-01-31 op memcpy(&iobj.id, id, sizeof(iobj.id));
369 d5c81d44 2021-07-08 stsp data = &iobj;
370 1785f84a 2018-12-23 stsp len = sizeof(iobj);
371 1785f84a 2018-12-23 stsp } else {
372 d5c81d44 2021-07-08 stsp data = id;
373 d5c81d44 2021-07-08 stsp len = sizeof(*id);
374 1785f84a 2018-12-23 stsp }
375 1785f84a 2018-12-23 stsp
376 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_REQUEST, 0, 0, fd, data, len)
377 41496140 2019-02-21 stsp == -1) {
378 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT_REQUEST");
379 41496140 2019-02-21 stsp close(fd);
380 41496140 2019-02-21 stsp return err;
381 41496140 2019-02-21 stsp }
382 13c729f7 2018-12-24 stsp
383 13c729f7 2018-12-24 stsp return flush_imsg(ibuf);
384 13c729f7 2018-12-24 stsp }
385 13c729f7 2018-12-24 stsp
386 13c729f7 2018-12-24 stsp const struct got_error *
387 13c729f7 2018-12-24 stsp got_privsep_send_tree_req(struct imsgbuf *ibuf, int fd,
388 13c729f7 2018-12-24 stsp struct got_object_id *id, int pack_idx)
389 13c729f7 2018-12-24 stsp {
390 7f358e3b 2019-11-23 stsp struct ibuf *wbuf;
391 d5c81d44 2021-07-08 stsp size_t len;
392 7f358e3b 2019-11-23 stsp
393 d5c81d44 2021-07-08 stsp if (pack_idx != -1)
394 d5c81d44 2021-07-08 stsp len = sizeof(struct got_imsg_packed_object);
395 d5c81d44 2021-07-08 stsp else
396 d5c81d44 2021-07-08 stsp len = sizeof(*id);
397 d5c81d44 2021-07-08 stsp
398 7f358e3b 2019-11-23 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_REQUEST, 0, 0, len);
399 7f358e3b 2019-11-23 stsp if (wbuf == NULL)
400 7f358e3b 2019-11-23 stsp return got_error_from_errno("imsg_create TREE_REQUEST");
401 13c729f7 2018-12-24 stsp
402 7841c0d1 2023-02-01 op if (imsg_add(wbuf, id, sizeof(*id)) == -1)
403 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_REQUEST");
404 13c729f7 2018-12-24 stsp
405 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tree is packed */
406 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &pack_idx, sizeof(pack_idx)) == -1)
407 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_REQUEST");
408 41496140 2019-02-21 stsp }
409 268f7291 2018-12-24 stsp
410 7f358e3b 2019-11-23 stsp wbuf->fd = fd;
411 7f358e3b 2019-11-23 stsp imsg_close(ibuf, wbuf);
412 7f358e3b 2019-11-23 stsp
413 268f7291 2018-12-24 stsp return flush_imsg(ibuf);
414 268f7291 2018-12-24 stsp }
415 268f7291 2018-12-24 stsp
416 268f7291 2018-12-24 stsp const struct got_error *
417 268f7291 2018-12-24 stsp got_privsep_send_tag_req(struct imsgbuf *ibuf, int fd,
418 268f7291 2018-12-24 stsp struct got_object_id *id, int pack_idx)
419 268f7291 2018-12-24 stsp {
420 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
421 d5c81d44 2021-07-08 stsp void *data;
422 268f7291 2018-12-24 stsp size_t len;
423 268f7291 2018-12-24 stsp
424 031611fc 2022-06-18 op memset(&iobj, 0, sizeof(iobj));
425 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tag is packed */
426 268f7291 2018-12-24 stsp iobj.idx = pack_idx;
427 265df21f 2023-01-31 op memcpy(&iobj.id, id, sizeof(iobj.id));
428 d5c81d44 2021-07-08 stsp data = &iobj;
429 268f7291 2018-12-24 stsp len = sizeof(iobj);
430 268f7291 2018-12-24 stsp } else {
431 d5c81d44 2021-07-08 stsp data = id;
432 d5c81d44 2021-07-08 stsp len = sizeof(*id);
433 268f7291 2018-12-24 stsp }
434 268f7291 2018-12-24 stsp
435 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_REQUEST, 0, 0, fd, data, len)
436 1785f84a 2018-12-23 stsp == -1)
437 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose TAG_REQUEST");
438 7762fe12 2018-11-05 stsp
439 7762fe12 2018-11-05 stsp return flush_imsg(ibuf);
440 7762fe12 2018-11-05 stsp }
441 7762fe12 2018-11-05 stsp
442 7762fe12 2018-11-05 stsp const struct got_error *
443 ebc55e2d 2018-12-24 stsp got_privsep_send_blob_req(struct imsgbuf *ibuf, int infd,
444 ebc55e2d 2018-12-24 stsp struct got_object_id *id, int pack_idx)
445 55da3778 2018-09-10 stsp {
446 41496140 2019-02-21 stsp const struct got_error *err = NULL;
447 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
448 d5c81d44 2021-07-08 stsp void *data;
449 ebc55e2d 2018-12-24 stsp size_t len;
450 ebc55e2d 2018-12-24 stsp
451 031611fc 2022-06-18 op memset(&iobj, 0, sizeof(iobj));
452 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* blob is packed */
453 ebc55e2d 2018-12-24 stsp iobj.idx = pack_idx;
454 265df21f 2023-01-31 op memcpy(&iobj.id, id, sizeof(iobj.id));
455 d5c81d44 2021-07-08 stsp data = &iobj;
456 ebc55e2d 2018-12-24 stsp len = sizeof(iobj);
457 ebc55e2d 2018-12-24 stsp } else {
458 d5c81d44 2021-07-08 stsp data = id;
459 d5c81d44 2021-07-08 stsp len = sizeof(*id);
460 ebc55e2d 2018-12-24 stsp }
461 ebc55e2d 2018-12-24 stsp
462 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_REQUEST, 0, 0, infd, data, len)
463 41496140 2019-02-21 stsp == -1) {
464 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_REQUEST");
465 41496140 2019-02-21 stsp close(infd);
466 41496140 2019-02-21 stsp return err;
467 41496140 2019-02-21 stsp }
468 ad242220 2018-09-08 stsp
469 55da3778 2018-09-10 stsp return flush_imsg(ibuf);
470 55da3778 2018-09-10 stsp }
471 ad242220 2018-09-08 stsp
472 55da3778 2018-09-10 stsp const struct got_error *
473 55da3778 2018-09-10 stsp got_privsep_send_blob_outfd(struct imsgbuf *ibuf, int outfd)
474 55da3778 2018-09-10 stsp {
475 41496140 2019-02-21 stsp const struct got_error *err = NULL;
476 41496140 2019-02-21 stsp
477 ad242220 2018-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_OUTFD, 0, 0, outfd, NULL, 0)
478 41496140 2019-02-21 stsp == -1) {
479 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_OUTFD");
480 41496140 2019-02-21 stsp close(outfd);
481 41496140 2019-02-21 stsp return err;
482 41496140 2019-02-21 stsp }
483 3840f4c9 2018-09-12 stsp
484 3840f4c9 2018-09-12 stsp return flush_imsg(ibuf);
485 3840f4c9 2018-09-12 stsp }
486 3840f4c9 2018-09-12 stsp
487 73ab1060 2020-03-18 stsp static const struct got_error *
488 73ab1060 2020-03-18 stsp send_fd(struct imsgbuf *ibuf, int imsg_code, int fd)
489 3840f4c9 2018-09-12 stsp {
490 41496140 2019-02-21 stsp const struct got_error *err = NULL;
491 41496140 2019-02-21 stsp
492 73ab1060 2020-03-18 stsp if (imsg_compose(ibuf, imsg_code, 0, 0, fd, NULL, 0) == -1) {
493 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TMPFD");
494 41496140 2019-02-21 stsp close(fd);
495 41496140 2019-02-21 stsp return err;
496 41496140 2019-02-21 stsp }
497 ad242220 2018-09-08 stsp
498 ad242220 2018-09-08 stsp return flush_imsg(ibuf);
499 ad242220 2018-09-08 stsp }
500 ad242220 2018-09-08 stsp
501 ad242220 2018-09-08 stsp const struct got_error *
502 73ab1060 2020-03-18 stsp got_privsep_send_tmpfd(struct imsgbuf *ibuf, int fd)
503 73ab1060 2020-03-18 stsp {
504 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_TMPFD, fd);
505 73ab1060 2020-03-18 stsp }
506 73ab1060 2020-03-18 stsp
507 73ab1060 2020-03-18 stsp const struct got_error *
508 876c234b 2018-09-10 stsp got_privsep_send_obj(struct imsgbuf *ibuf, struct got_object *obj)
509 2178c42e 2018-04-22 stsp {
510 2178c42e 2018-04-22 stsp struct got_imsg_object iobj;
511 1a69d37f 2022-06-18 op
512 1a69d37f 2022-06-18 op memset(&iobj, 0, sizeof(iobj));
513 2178c42e 2018-04-22 stsp
514 7841c0d1 2023-02-01 op memcpy(&iobj.id, &obj->id, sizeof(iobj.id));
515 2178c42e 2018-04-22 stsp iobj.type = obj->type;
516 2178c42e 2018-04-22 stsp iobj.flags = obj->flags;
517 2178c42e 2018-04-22 stsp iobj.hdrlen = obj->hdrlen;
518 2178c42e 2018-04-22 stsp iobj.size = obj->size;
519 c59b3346 2018-09-11 stsp if (iobj.flags & GOT_OBJ_FLAG_PACKED) {
520 876c234b 2018-09-10 stsp iobj.pack_offset = obj->pack_offset;
521 c59b3346 2018-09-11 stsp iobj.pack_idx = obj->pack_idx;
522 c59b3346 2018-09-11 stsp }
523 2178c42e 2018-04-22 stsp
524 2178c42e 2018-04-22 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT, 0, 0, -1, &iobj, sizeof(iobj))
525 2178c42e 2018-04-22 stsp == -1)
526 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT");
527 2178c42e 2018-04-22 stsp
528 c59b3346 2018-09-11 stsp return flush_imsg(ibuf);
529 cfd633c2 2018-09-10 stsp }
530 cfd633c2 2018-09-10 stsp
531 cfd633c2 2018-09-10 stsp const struct got_error *
532 33501562 2020-03-18 stsp got_privsep_send_fetch_req(struct imsgbuf *ibuf, int fd,
533 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs, int fetch_all_branches,
534 abc59930 2021-09-05 naddy struct got_pathlist_head *wanted_branches,
535 abc59930 2021-09-05 naddy struct got_pathlist_head *wanted_refs, int list_refs_only, int verbosity)
536 93658fb9 2020-03-18 stsp {
537 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
538 33501562 2020-03-18 stsp struct ibuf *wbuf;
539 4ba14133 2020-03-20 stsp size_t len;
540 33501562 2020-03-18 stsp struct got_pathlist_entry *pe;
541 4ba14133 2020-03-20 stsp struct got_imsg_fetch_request fetchreq;
542 93658fb9 2020-03-18 stsp
543 4ba14133 2020-03-20 stsp memset(&fetchreq, 0, sizeof(fetchreq));
544 4ba14133 2020-03-20 stsp fetchreq.fetch_all_branches = fetch_all_branches;
545 41b0de12 2020-03-21 stsp fetchreq.list_refs_only = list_refs_only;
546 2690194b 2020-03-21 stsp fetchreq.verbosity = verbosity;
547 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, have_refs, entry)
548 4ba14133 2020-03-20 stsp fetchreq.n_have_refs++;
549 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry)
550 4ba14133 2020-03-20 stsp fetchreq.n_wanted_branches++;
551 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry)
552 0e4002ca 2020-03-21 stsp fetchreq.n_wanted_refs++;
553 659e7fbd 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_request);
554 33501562 2020-03-18 stsp if (len >= MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
555 33501562 2020-03-18 stsp close(fd);
556 33501562 2020-03-18 stsp return got_error(GOT_ERR_NO_SPACE);
557 33501562 2020-03-18 stsp }
558 33501562 2020-03-18 stsp
559 4ba14133 2020-03-20 stsp if (imsg_compose(ibuf, GOT_IMSG_FETCH_REQUEST, 0, 0, fd,
560 4ba14133 2020-03-20 stsp &fetchreq, sizeof(fetchreq)) == -1)
561 4ba14133 2020-03-20 stsp return got_error_from_errno(
562 4ba14133 2020-03-20 stsp "imsg_compose FETCH_SERVER_PROGRESS");
563 33501562 2020-03-18 stsp
564 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
565 4ba14133 2020-03-20 stsp if (err) {
566 659e7fbd 2020-03-20 stsp close(fd);
567 659e7fbd 2020-03-20 stsp return err;
568 659e7fbd 2020-03-20 stsp }
569 4ba14133 2020-03-20 stsp fd = -1;
570 33501562 2020-03-18 stsp
571 33501562 2020-03-18 stsp TAILQ_FOREACH(pe, have_refs, entry) {
572 33501562 2020-03-18 stsp const char *name = pe->path;
573 33501562 2020-03-18 stsp size_t name_len = pe->path_len;
574 33501562 2020-03-18 stsp struct got_object_id *id = pe->data;
575 33501562 2020-03-18 stsp
576 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_have_ref) + name_len;
577 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_HAVE_REF, 0, 0, len);
578 4ba14133 2020-03-20 stsp if (wbuf == NULL)
579 4ba14133 2020-03-20 stsp return got_error_from_errno("imsg_create FETCH_HAVE_REF");
580 4ba14133 2020-03-20 stsp
581 33501562 2020-03-18 stsp /* Keep in sync with struct got_imsg_fetch_have_ref! */
582 4b4da3bb 2023-02-01 op if (imsg_add(wbuf, id, sizeof(*id)) == -1)
583 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add FETCH_HAVE_REF");
584 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
585 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add FETCH_HAVE_REF");
586 1453347d 2022-05-19 stsp if (imsg_add(wbuf, name, name_len) == -1)
587 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add FETCH_HAVE_REF");
588 4ba14133 2020-03-20 stsp
589 4ba14133 2020-03-20 stsp wbuf->fd = -1;
590 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
591 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
592 4ba14133 2020-03-20 stsp if (err)
593 4ba14133 2020-03-20 stsp return err;
594 33501562 2020-03-18 stsp }
595 33501562 2020-03-18 stsp
596 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry) {
597 4ba14133 2020-03-20 stsp const char *name = pe->path;
598 4ba14133 2020-03-20 stsp size_t name_len = pe->path_len;
599 4ba14133 2020-03-20 stsp
600 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_wanted_branch) + name_len;
601 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_BRANCH, 0, 0,
602 4ba14133 2020-03-20 stsp len);
603 4ba14133 2020-03-20 stsp if (wbuf == NULL)
604 4ba14133 2020-03-20 stsp return got_error_from_errno(
605 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_BRANCH");
606 4ba14133 2020-03-20 stsp
607 4ba14133 2020-03-20 stsp /* Keep in sync with struct got_imsg_fetch_wanted_branch! */
608 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
609 1453347d 2022-05-19 stsp return got_error_from_errno(
610 4ba14133 2020-03-20 stsp "imsg_add FETCH_WANTED_BRANCH");
611 1453347d 2022-05-19 stsp if (imsg_add(wbuf, name, name_len) == -1)
612 1453347d 2022-05-19 stsp return got_error_from_errno(
613 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_BRANCH");
614 4ba14133 2020-03-20 stsp
615 4ba14133 2020-03-20 stsp wbuf->fd = -1;
616 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
617 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
618 4ba14133 2020-03-20 stsp if (err)
619 4ba14133 2020-03-20 stsp return err;
620 4ba14133 2020-03-20 stsp }
621 4ba14133 2020-03-20 stsp
622 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry) {
623 0e4002ca 2020-03-21 stsp const char *name = pe->path;
624 0e4002ca 2020-03-21 stsp size_t name_len = pe->path_len;
625 0e4002ca 2020-03-21 stsp
626 0e4002ca 2020-03-21 stsp len = sizeof(struct got_imsg_fetch_wanted_ref) + name_len;
627 0e4002ca 2020-03-21 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_REF, 0, 0,
628 0e4002ca 2020-03-21 stsp len);
629 0e4002ca 2020-03-21 stsp if (wbuf == NULL)
630 0e4002ca 2020-03-21 stsp return got_error_from_errno(
631 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_REF");
632 0e4002ca 2020-03-21 stsp
633 0e4002ca 2020-03-21 stsp /* Keep in sync with struct got_imsg_fetch_wanted_ref! */
634 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
635 1453347d 2022-05-19 stsp return got_error_from_errno(
636 0e4002ca 2020-03-21 stsp "imsg_add FETCH_WANTED_REF");
637 1453347d 2022-05-19 stsp if (imsg_add(wbuf, name, name_len) == -1)
638 1453347d 2022-05-19 stsp return got_error_from_errno(
639 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_REF");
640 0e4002ca 2020-03-21 stsp
641 0e4002ca 2020-03-21 stsp wbuf->fd = -1;
642 0e4002ca 2020-03-21 stsp imsg_close(ibuf, wbuf);
643 0e4002ca 2020-03-21 stsp err = flush_imsg(ibuf);
644 0e4002ca 2020-03-21 stsp if (err)
645 0e4002ca 2020-03-21 stsp return err;
646 0e4002ca 2020-03-21 stsp }
647 0e4002ca 2020-03-21 stsp
648 0e4002ca 2020-03-21 stsp
649 4ba14133 2020-03-20 stsp return NULL;
650 4ba14133 2020-03-20 stsp
651 93658fb9 2020-03-18 stsp }
652 93658fb9 2020-03-18 stsp
653 93658fb9 2020-03-18 stsp const struct got_error *
654 f826addf 2020-03-18 stsp got_privsep_send_fetch_outfd(struct imsgbuf *ibuf, int fd)
655 f826addf 2020-03-18 stsp {
656 f826addf 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_FETCH_OUTFD, fd);
657 531c3985 2020-03-18 stsp }
658 531c3985 2020-03-18 stsp
659 531c3985 2020-03-18 stsp const struct got_error *
660 8f2d01a6 2020-03-18 stsp got_privsep_recv_fetch_progress(int *done, struct got_object_id **id,
661 531c3985 2020-03-18 stsp char **refname, struct got_pathlist_head *symrefs, char **server_progress,
662 3093e2d7 2023-02-04 op off_t *packfile_size, uint8_t *pack_hash, struct imsgbuf *ibuf)
663 b9f99abf 2020-03-18 stsp {
664 b9f99abf 2020-03-18 stsp const struct got_error *err = NULL;
665 b9f99abf 2020-03-18 stsp struct imsg imsg;
666 b9f99abf 2020-03-18 stsp size_t datalen;
667 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symrefs *isymrefs = NULL;
668 abe0f35f 2020-03-18 stsp size_t n, remain;
669 abe0f35f 2020-03-18 stsp off_t off;
670 531c3985 2020-03-18 stsp int i;
671 b9f99abf 2020-03-18 stsp
672 8f2d01a6 2020-03-18 stsp *done = 0;
673 8f2d01a6 2020-03-18 stsp *id = NULL;
674 b9f99abf 2020-03-18 stsp *refname = NULL;
675 531c3985 2020-03-18 stsp *server_progress = NULL;
676 5a489642 2020-03-19 stsp *packfile_size = 0;
677 3093e2d7 2023-02-04 op memset(pack_hash, 0, SHA1_DIGEST_LENGTH);
678 b9f99abf 2020-03-18 stsp
679 531c3985 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
680 b9f99abf 2020-03-18 stsp if (err)
681 b9f99abf 2020-03-18 stsp return err;
682 b9f99abf 2020-03-18 stsp
683 b9f99abf 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
684 b9f99abf 2020-03-18 stsp switch (imsg.hdr.type) {
685 abe0f35f 2020-03-18 stsp case GOT_IMSG_FETCH_SYMREFS:
686 abe0f35f 2020-03-18 stsp if (datalen < sizeof(*isymrefs)) {
687 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
688 abe0f35f 2020-03-18 stsp break;
689 abe0f35f 2020-03-18 stsp }
690 abe0f35f 2020-03-18 stsp if (isymrefs != NULL) {
691 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
692 abe0f35f 2020-03-18 stsp break;
693 abe0f35f 2020-03-18 stsp }
694 abe0f35f 2020-03-18 stsp isymrefs = (struct got_imsg_fetch_symrefs *)imsg.data;
695 abe0f35f 2020-03-18 stsp off = sizeof(*isymrefs);
696 abe0f35f 2020-03-18 stsp remain = datalen - off;
697 abe0f35f 2020-03-18 stsp for (n = 0; n < isymrefs->nsymrefs; n++) {
698 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symref *s;
699 abe0f35f 2020-03-18 stsp char *name, *target;
700 abe0f35f 2020-03-18 stsp if (remain < sizeof(struct got_imsg_fetch_symref)) {
701 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
702 abe0f35f 2020-03-18 stsp goto done;
703 abe0f35f 2020-03-18 stsp }
704 abe0f35f 2020-03-18 stsp s = (struct got_imsg_fetch_symref *)(imsg.data + off);
705 abe0f35f 2020-03-18 stsp off += sizeof(*s);
706 abe0f35f 2020-03-18 stsp remain -= sizeof(*s);
707 abe0f35f 2020-03-18 stsp if (remain < s->name_len) {
708 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
709 abe0f35f 2020-03-18 stsp goto done;
710 abe0f35f 2020-03-18 stsp }
711 abe0f35f 2020-03-18 stsp name = strndup(imsg.data + off, s->name_len);
712 abe0f35f 2020-03-18 stsp if (name == NULL) {
713 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
714 abe0f35f 2020-03-18 stsp goto done;
715 abe0f35f 2020-03-18 stsp }
716 abe0f35f 2020-03-18 stsp off += s->name_len;
717 abe0f35f 2020-03-18 stsp remain -= s->name_len;
718 abe0f35f 2020-03-18 stsp if (remain < s->target_len) {
719 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
720 abe0f35f 2020-03-18 stsp free(name);
721 abe0f35f 2020-03-18 stsp goto done;
722 abe0f35f 2020-03-18 stsp }
723 abe0f35f 2020-03-18 stsp target = strndup(imsg.data + off, s->target_len);
724 abe0f35f 2020-03-18 stsp if (target == NULL) {
725 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
726 abe0f35f 2020-03-18 stsp free(name);
727 abe0f35f 2020-03-18 stsp goto done;
728 abe0f35f 2020-03-18 stsp }
729 abe0f35f 2020-03-18 stsp off += s->target_len;
730 abe0f35f 2020-03-18 stsp remain -= s->target_len;
731 abe0f35f 2020-03-18 stsp err = got_pathlist_append(symrefs, name, target);
732 abe0f35f 2020-03-18 stsp if (err) {
733 abe0f35f 2020-03-18 stsp free(name);
734 abe0f35f 2020-03-18 stsp free(target);
735 abe0f35f 2020-03-18 stsp goto done;
736 abe0f35f 2020-03-18 stsp }
737 abe0f35f 2020-03-18 stsp }
738 abe0f35f 2020-03-18 stsp break;
739 ea7396b9 2020-03-18 stsp case GOT_IMSG_FETCH_REF:
740 0701e66c 2023-02-01 op if (datalen <= sizeof(**id)) {
741 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
742 531c3985 2020-03-18 stsp break;
743 531c3985 2020-03-18 stsp }
744 8f2d01a6 2020-03-18 stsp *id = malloc(sizeof(**id));
745 8f2d01a6 2020-03-18 stsp if (*id == NULL) {
746 b9f99abf 2020-03-18 stsp err = got_error_from_errno("malloc");
747 b9f99abf 2020-03-18 stsp break;
748 b9f99abf 2020-03-18 stsp }
749 0701e66c 2023-02-01 op memcpy(*id, imsg.data, sizeof(**id));
750 0701e66c 2023-02-01 op *refname = strndup(imsg.data + sizeof(**id),
751 0701e66c 2023-02-01 op datalen - sizeof(**id));
752 b9f99abf 2020-03-18 stsp if (*refname == NULL) {
753 b9f99abf 2020-03-18 stsp err = got_error_from_errno("strndup");
754 8f2d01a6 2020-03-18 stsp break;
755 8f2d01a6 2020-03-18 stsp }
756 8f2d01a6 2020-03-18 stsp break;
757 531c3985 2020-03-18 stsp case GOT_IMSG_FETCH_SERVER_PROGRESS:
758 531c3985 2020-03-18 stsp if (datalen == 0) {
759 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
760 531c3985 2020-03-18 stsp break;
761 531c3985 2020-03-18 stsp }
762 531c3985 2020-03-18 stsp *server_progress = strndup(imsg.data, datalen);
763 531c3985 2020-03-18 stsp if (*server_progress == NULL) {
764 531c3985 2020-03-18 stsp err = got_error_from_errno("strndup");
765 531c3985 2020-03-18 stsp break;
766 531c3985 2020-03-18 stsp }
767 531c3985 2020-03-18 stsp for (i = 0; i < datalen; i++) {
768 531c3985 2020-03-18 stsp if (!isprint((unsigned char)(*server_progress)[i]) &&
769 531c3985 2020-03-18 stsp !isspace((unsigned char)(*server_progress)[i])) {
770 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
771 531c3985 2020-03-18 stsp free(*server_progress);
772 531c3985 2020-03-18 stsp *server_progress = NULL;
773 531c3985 2020-03-18 stsp goto done;
774 531c3985 2020-03-18 stsp }
775 531c3985 2020-03-18 stsp }
776 531c3985 2020-03-18 stsp break;
777 d2cdc636 2020-03-18 stsp case GOT_IMSG_FETCH_DOWNLOAD_PROGRESS:
778 d2cdc636 2020-03-18 stsp if (datalen < sizeof(*packfile_size)) {
779 d2cdc636 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
780 d2cdc636 2020-03-18 stsp break;
781 d2cdc636 2020-03-18 stsp }
782 d2cdc636 2020-03-18 stsp memcpy(packfile_size, imsg.data, sizeof(*packfile_size));
783 d2cdc636 2020-03-18 stsp break;
784 8f2d01a6 2020-03-18 stsp case GOT_IMSG_FETCH_DONE:
785 8f2d01a6 2020-03-18 stsp if (datalen != SHA1_DIGEST_LENGTH) {
786 8f2d01a6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
787 8f2d01a6 2020-03-18 stsp break;
788 8f2d01a6 2020-03-18 stsp }
789 3093e2d7 2023-02-04 op memcpy(pack_hash, imsg.data, SHA1_DIGEST_LENGTH);
790 8f2d01a6 2020-03-18 stsp *done = 1;
791 b9f99abf 2020-03-18 stsp break;
792 b9f99abf 2020-03-18 stsp default:
793 b887aab6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
794 b887aab6 2020-03-18 stsp break;
795 b9f99abf 2020-03-18 stsp }
796 abe0f35f 2020-03-18 stsp done:
797 b887aab6 2020-03-18 stsp if (err) {
798 8f2d01a6 2020-03-18 stsp free(*id);
799 8f2d01a6 2020-03-18 stsp *id = NULL;
800 b887aab6 2020-03-18 stsp free(*refname);
801 b887aab6 2020-03-18 stsp *refname = NULL;
802 f8a36e22 2021-08-26 stsp }
803 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
804 f8a36e22 2021-08-26 stsp return err;
805 f8a36e22 2021-08-26 stsp }
806 f8a36e22 2021-08-26 stsp
807 f8a36e22 2021-08-26 stsp static const struct got_error *
808 f8a36e22 2021-08-26 stsp send_send_ref(const char *name, size_t name_len, struct got_object_id *id,
809 f8a36e22 2021-08-26 stsp int delete, struct imsgbuf *ibuf)
810 f8a36e22 2021-08-26 stsp {
811 f8a36e22 2021-08-26 stsp size_t len;
812 f8a36e22 2021-08-26 stsp struct ibuf *wbuf;
813 f8a36e22 2021-08-26 stsp
814 f8a36e22 2021-08-26 stsp len = sizeof(struct got_imsg_send_ref) + name_len;
815 f8a36e22 2021-08-26 stsp wbuf = imsg_create(ibuf, GOT_IMSG_SEND_REF, 0, 0, len);
816 f8a36e22 2021-08-26 stsp if (wbuf == NULL)
817 f8a36e22 2021-08-26 stsp return got_error_from_errno("imsg_create SEND_REF");
818 f8a36e22 2021-08-26 stsp
819 f8a36e22 2021-08-26 stsp /* Keep in sync with struct got_imsg_send_ref! */
820 5eb14fb9 2023-02-01 op if (imsg_add(wbuf, id, sizeof(*id)) == -1)
821 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add SEND_REF");
822 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &delete, sizeof(delete)) == -1)
823 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add SEND_REF");
824 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
825 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add SEND_REF");
826 1453347d 2022-05-19 stsp if (imsg_add(wbuf, name, name_len) == -1)
827 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add SEND_REF");
828 f8a36e22 2021-08-26 stsp
829 f8a36e22 2021-08-26 stsp wbuf->fd = -1;
830 f8a36e22 2021-08-26 stsp imsg_close(ibuf, wbuf);
831 f8a36e22 2021-08-26 stsp return flush_imsg(ibuf);
832 f8a36e22 2021-08-26 stsp }
833 f8a36e22 2021-08-26 stsp
834 f8a36e22 2021-08-26 stsp const struct got_error *
835 f8a36e22 2021-08-26 stsp got_privsep_send_send_req(struct imsgbuf *ibuf, int fd,
836 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs,
837 abc59930 2021-09-05 naddy struct got_pathlist_head *delete_refs,
838 abc59930 2021-09-05 naddy int verbosity)
839 f8a36e22 2021-08-26 stsp {
840 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
841 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *pe;
842 f8a36e22 2021-08-26 stsp struct got_imsg_send_request sendreq;
843 f8a36e22 2021-08-26 stsp struct got_object_id zero_id;
844 f8a36e22 2021-08-26 stsp
845 f8a36e22 2021-08-26 stsp memset(&zero_id, 0, sizeof(zero_id));
846 f8a36e22 2021-08-26 stsp memset(&sendreq, 0, sizeof(sendreq));
847 f8a36e22 2021-08-26 stsp sendreq.verbosity = verbosity;
848 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry)
849 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
850 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry)
851 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
852 f8a36e22 2021-08-26 stsp if (imsg_compose(ibuf, GOT_IMSG_SEND_REQUEST, 0, 0, fd,
853 f8a36e22 2021-08-26 stsp &sendreq, sizeof(sendreq)) == -1) {
854 f8a36e22 2021-08-26 stsp err = got_error_from_errno(
855 f8a36e22 2021-08-26 stsp "imsg_compose FETCH_SERVER_PROGRESS");
856 f8a36e22 2021-08-26 stsp goto done;
857 f8a36e22 2021-08-26 stsp }
858 f8a36e22 2021-08-26 stsp
859 f8a36e22 2021-08-26 stsp err = flush_imsg(ibuf);
860 f8a36e22 2021-08-26 stsp if (err)
861 f8a36e22 2021-08-26 stsp goto done;
862 f8a36e22 2021-08-26 stsp fd = -1;
863 f8a36e22 2021-08-26 stsp
864 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry) {
865 f8a36e22 2021-08-26 stsp const char *name = pe->path;
866 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
867 f8a36e22 2021-08-26 stsp struct got_object_id *id = pe->data;
868 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, id, 0, ibuf);
869 f8a36e22 2021-08-26 stsp if (err)
870 f8a36e22 2021-08-26 stsp goto done;
871 f8a36e22 2021-08-26 stsp }
872 f8a36e22 2021-08-26 stsp
873 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry) {
874 f8a36e22 2021-08-26 stsp const char *name = pe->path;
875 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
876 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, &zero_id, 1, ibuf);
877 f8a36e22 2021-08-26 stsp if (err)
878 f8a36e22 2021-08-26 stsp goto done;
879 f8a36e22 2021-08-26 stsp }
880 f8a36e22 2021-08-26 stsp done:
881 f8a36e22 2021-08-26 stsp if (fd != -1 && close(fd) == -1 && err == NULL)
882 f8a36e22 2021-08-26 stsp err = got_error_from_errno("close");
883 f8a36e22 2021-08-26 stsp return err;
884 f8a36e22 2021-08-26 stsp
885 f8a36e22 2021-08-26 stsp }
886 f8a36e22 2021-08-26 stsp
887 f8a36e22 2021-08-26 stsp const struct got_error *
888 f8a36e22 2021-08-26 stsp got_privsep_recv_send_remote_refs(struct got_pathlist_head *remote_refs,
889 f8a36e22 2021-08-26 stsp struct imsgbuf *ibuf)
890 f8a36e22 2021-08-26 stsp {
891 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
892 f8a36e22 2021-08-26 stsp struct imsg imsg;
893 f8a36e22 2021-08-26 stsp size_t datalen;
894 f8a36e22 2021-08-26 stsp int done = 0;
895 f8a36e22 2021-08-26 stsp struct got_imsg_send_remote_ref iremote_ref;
896 f8a36e22 2021-08-26 stsp struct got_object_id *id = NULL;
897 f8a36e22 2021-08-26 stsp char *refname = NULL;
898 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *new;
899 f8a36e22 2021-08-26 stsp
900 f8a36e22 2021-08-26 stsp while (!done) {
901 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
902 f8a36e22 2021-08-26 stsp if (err)
903 f8a36e22 2021-08-26 stsp return err;
904 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
905 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
906 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REMOTE_REF:
907 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iremote_ref)) {
908 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
909 f8a36e22 2021-08-26 stsp goto done;
910 f8a36e22 2021-08-26 stsp }
911 f8a36e22 2021-08-26 stsp memcpy(&iremote_ref, imsg.data, sizeof(iremote_ref));
912 f8a36e22 2021-08-26 stsp if (datalen != sizeof(iremote_ref) +
913 f8a36e22 2021-08-26 stsp iremote_ref.name_len) {
914 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
915 f8a36e22 2021-08-26 stsp goto done;
916 f8a36e22 2021-08-26 stsp }
917 f8a36e22 2021-08-26 stsp id = malloc(sizeof(*id));
918 f8a36e22 2021-08-26 stsp if (id == NULL) {
919 f8a36e22 2021-08-26 stsp err = got_error_from_errno("malloc");
920 f8a36e22 2021-08-26 stsp goto done;
921 f8a36e22 2021-08-26 stsp }
922 427f294c 2023-02-01 op memcpy(id, &iremote_ref.id, sizeof(*id));
923 f8a36e22 2021-08-26 stsp refname = strndup(imsg.data + sizeof(iremote_ref),
924 f8a36e22 2021-08-26 stsp datalen - sizeof(iremote_ref));
925 f8a36e22 2021-08-26 stsp if (refname == NULL) {
926 f8a36e22 2021-08-26 stsp err = got_error_from_errno("strndup");
927 f8a36e22 2021-08-26 stsp goto done;
928 f8a36e22 2021-08-26 stsp }
929 f8a36e22 2021-08-26 stsp err = got_pathlist_insert(&new, remote_refs,
930 f8a36e22 2021-08-26 stsp refname, id);
931 f8a36e22 2021-08-26 stsp if (err)
932 f8a36e22 2021-08-26 stsp goto done;
933 f8a36e22 2021-08-26 stsp if (new == NULL) { /* duplicate which wasn't inserted */
934 f8a36e22 2021-08-26 stsp free(id);
935 f8a36e22 2021-08-26 stsp free(refname);
936 f8a36e22 2021-08-26 stsp }
937 f8a36e22 2021-08-26 stsp id = NULL;
938 f8a36e22 2021-08-26 stsp refname = NULL;
939 f8a36e22 2021-08-26 stsp break;
940 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_PACK_REQUEST:
941 f8a36e22 2021-08-26 stsp if (datalen != 0) {
942 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
943 f8a36e22 2021-08-26 stsp goto done;
944 f8a36e22 2021-08-26 stsp }
945 f8a36e22 2021-08-26 stsp /* got-send-pack is now waiting for a pack file. */
946 f8a36e22 2021-08-26 stsp done = 1;
947 f8a36e22 2021-08-26 stsp break;
948 f8a36e22 2021-08-26 stsp default:
949 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
950 f8a36e22 2021-08-26 stsp break;
951 f8a36e22 2021-08-26 stsp }
952 b887aab6 2020-03-18 stsp }
953 f8a36e22 2021-08-26 stsp done:
954 f8a36e22 2021-08-26 stsp free(id);
955 f8a36e22 2021-08-26 stsp free(refname);
956 b9f99abf 2020-03-18 stsp imsg_free(&imsg);
957 b9f99abf 2020-03-18 stsp return err;
958 93658fb9 2020-03-18 stsp }
959 93658fb9 2020-03-18 stsp
960 93658fb9 2020-03-18 stsp const struct got_error *
961 f8a36e22 2021-08-26 stsp got_privsep_send_packfd(struct imsgbuf *ibuf, int fd)
962 f8a36e22 2021-08-26 stsp {
963 f8a36e22 2021-08-26 stsp return send_fd(ibuf, GOT_IMSG_SEND_PACKFD, fd);
964 f8a36e22 2021-08-26 stsp }
965 f8a36e22 2021-08-26 stsp
966 f8a36e22 2021-08-26 stsp const struct got_error *
967 f8a36e22 2021-08-26 stsp got_privsep_recv_send_progress(int *done, off_t *bytes_sent,
968 6242c45b 2022-11-14 op int *success, char **refname, char **errmsg, struct imsgbuf *ibuf)
969 f8a36e22 2021-08-26 stsp {
970 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
971 f8a36e22 2021-08-26 stsp struct imsg imsg;
972 f8a36e22 2021-08-26 stsp size_t datalen;
973 f8a36e22 2021-08-26 stsp struct got_imsg_send_ref_status iref_status;
974 f8a36e22 2021-08-26 stsp
975 f8a36e22 2021-08-26 stsp /* Do not reset the current value of 'bytes_sent', it accumulates. */
976 f8a36e22 2021-08-26 stsp *done = 0;
977 f8a36e22 2021-08-26 stsp *success = 0;
978 f8a36e22 2021-08-26 stsp *refname = NULL;
979 6242c45b 2022-11-14 op *errmsg = NULL;
980 f8a36e22 2021-08-26 stsp
981 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
982 f8a36e22 2021-08-26 stsp if (err)
983 f8a36e22 2021-08-26 stsp return err;
984 f8a36e22 2021-08-26 stsp
985 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
986 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
987 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_UPLOAD_PROGRESS:
988 f8a36e22 2021-08-26 stsp if (datalen < sizeof(*bytes_sent)) {
989 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
990 f8a36e22 2021-08-26 stsp break;
991 f8a36e22 2021-08-26 stsp }
992 f8a36e22 2021-08-26 stsp memcpy(bytes_sent, imsg.data, sizeof(*bytes_sent));
993 f8a36e22 2021-08-26 stsp break;
994 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REF_STATUS:
995 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iref_status)) {
996 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
997 f8a36e22 2021-08-26 stsp break;
998 f8a36e22 2021-08-26 stsp }
999 f8a36e22 2021-08-26 stsp memcpy(&iref_status, imsg.data, sizeof(iref_status));
1000 6242c45b 2022-11-14 op if (datalen != sizeof(iref_status) + iref_status.name_len +
1001 6242c45b 2022-11-14 op iref_status.errmsg_len) {
1002 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1003 f8a36e22 2021-08-26 stsp break;
1004 f8a36e22 2021-08-26 stsp }
1005 f8a36e22 2021-08-26 stsp *success = iref_status.success;
1006 f8a36e22 2021-08-26 stsp *refname = strndup(imsg.data + sizeof(iref_status),
1007 f8a36e22 2021-08-26 stsp iref_status.name_len);
1008 6242c45b 2022-11-14 op
1009 6242c45b 2022-11-14 op if (iref_status.errmsg_len != 0)
1010 6242c45b 2022-11-14 op *errmsg = strndup(imsg.data + sizeof(iref_status) +
1011 6242c45b 2022-11-14 op iref_status.name_len, iref_status.errmsg_len);
1012 f8a36e22 2021-08-26 stsp break;
1013 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_DONE:
1014 f8a36e22 2021-08-26 stsp if (datalen != 0) {
1015 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1016 f8a36e22 2021-08-26 stsp break;
1017 f8a36e22 2021-08-26 stsp }
1018 f8a36e22 2021-08-26 stsp *done = 1;
1019 f8a36e22 2021-08-26 stsp break;
1020 f8a36e22 2021-08-26 stsp default:
1021 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1022 f8a36e22 2021-08-26 stsp break;
1023 f8a36e22 2021-08-26 stsp }
1024 f8a36e22 2021-08-26 stsp
1025 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
1026 f8a36e22 2021-08-26 stsp return err;
1027 f8a36e22 2021-08-26 stsp }
1028 f8a36e22 2021-08-26 stsp
1029 f8a36e22 2021-08-26 stsp const struct got_error *
1030 3093e2d7 2023-02-04 op got_privsep_send_index_pack_req(struct imsgbuf *ibuf, uint8_t *pack_hash,
1031 668a20f6 2020-03-18 stsp int fd)
1032 93658fb9 2020-03-18 stsp {
1033 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1034 93658fb9 2020-03-18 stsp
1035 668a20f6 2020-03-18 stsp /* Keep in sync with struct got_imsg_index_pack_request */
1036 93658fb9 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_IDXPACK_REQUEST, 0, 0, fd,
1037 3093e2d7 2023-02-04 op pack_hash, SHA1_DIGEST_LENGTH) == -1) {
1038 93658fb9 2020-03-18 stsp err = got_error_from_errno("imsg_compose INDEX_REQUEST");
1039 93658fb9 2020-03-18 stsp close(fd);
1040 93658fb9 2020-03-18 stsp return err;
1041 93658fb9 2020-03-18 stsp }
1042 baa9fea0 2020-03-18 stsp return flush_imsg(ibuf);
1043 baa9fea0 2020-03-18 stsp }
1044 baa9fea0 2020-03-18 stsp
1045 baa9fea0 2020-03-18 stsp const struct got_error *
1046 73ab1060 2020-03-18 stsp got_privsep_send_index_pack_outfd(struct imsgbuf *ibuf, int fd)
1047 73ab1060 2020-03-18 stsp {
1048 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_IDXPACK_OUTFD, fd);
1049 73ab1060 2020-03-18 stsp }
1050 73ab1060 2020-03-18 stsp
1051 73ab1060 2020-03-18 stsp const struct got_error *
1052 668a20f6 2020-03-18 stsp got_privsep_recv_index_progress(int *done, int *nobj_total,
1053 668a20f6 2020-03-18 stsp int *nobj_indexed, int *nobj_loose, int *nobj_resolved,
1054 668a20f6 2020-03-18 stsp struct imsgbuf *ibuf)
1055 93658fb9 2020-03-18 stsp {
1056 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1057 93658fb9 2020-03-18 stsp struct imsg imsg;
1058 baa9fea0 2020-03-18 stsp struct got_imsg_index_pack_progress *iprogress;
1059 baa9fea0 2020-03-18 stsp size_t datalen;
1060 93658fb9 2020-03-18 stsp
1061 baa9fea0 2020-03-18 stsp *done = 0;
1062 668a20f6 2020-03-18 stsp *nobj_total = 0;
1063 668a20f6 2020-03-18 stsp *nobj_indexed = 0;
1064 668a20f6 2020-03-18 stsp *nobj_resolved = 0;
1065 baa9fea0 2020-03-18 stsp
1066 93658fb9 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1067 93658fb9 2020-03-18 stsp if (err)
1068 93658fb9 2020-03-18 stsp return err;
1069 baa9fea0 2020-03-18 stsp
1070 baa9fea0 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1071 baa9fea0 2020-03-18 stsp switch (imsg.hdr.type) {
1072 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_PROGRESS:
1073 baa9fea0 2020-03-18 stsp if (datalen < sizeof(*iprogress)) {
1074 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1075 baa9fea0 2020-03-18 stsp break;
1076 baa9fea0 2020-03-18 stsp }
1077 baa9fea0 2020-03-18 stsp iprogress = (struct got_imsg_index_pack_progress *)imsg.data;
1078 c98b0f0b 2022-06-14 op if (iprogress->nobj_total < 0 || iprogress->nobj_indexed < 0 ||
1079 c98b0f0b 2022-06-14 op iprogress->nobj_loose < 0 || iprogress->nobj_resolved < 0) {
1080 c98b0f0b 2022-06-14 op err = got_error(GOT_ERR_RANGE);
1081 c98b0f0b 2022-06-14 op break;
1082 c98b0f0b 2022-06-14 op }
1083 668a20f6 2020-03-18 stsp *nobj_total = iprogress->nobj_total;
1084 668a20f6 2020-03-18 stsp *nobj_indexed = iprogress->nobj_indexed;
1085 668a20f6 2020-03-18 stsp *nobj_loose = iprogress->nobj_loose;
1086 668a20f6 2020-03-18 stsp *nobj_resolved = iprogress->nobj_resolved;
1087 baa9fea0 2020-03-18 stsp break;
1088 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_DONE:
1089 baa9fea0 2020-03-18 stsp if (datalen != 0) {
1090 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1091 baa9fea0 2020-03-18 stsp break;
1092 baa9fea0 2020-03-18 stsp }
1093 baa9fea0 2020-03-18 stsp *done = 1;
1094 baa9fea0 2020-03-18 stsp break;
1095 baa9fea0 2020-03-18 stsp default:
1096 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1097 baa9fea0 2020-03-18 stsp break;
1098 baa9fea0 2020-03-18 stsp }
1099 baa9fea0 2020-03-18 stsp
1100 93658fb9 2020-03-18 stsp imsg_free(&imsg);
1101 baa9fea0 2020-03-18 stsp return err;
1102 93658fb9 2020-03-18 stsp }
1103 93658fb9 2020-03-18 stsp
1104 93658fb9 2020-03-18 stsp const struct got_error *
1105 cfd633c2 2018-09-10 stsp got_privsep_get_imsg_obj(struct got_object **obj, struct imsg *imsg,
1106 cfd633c2 2018-09-10 stsp struct imsgbuf *ibuf)
1107 cfd633c2 2018-09-10 stsp {
1108 291624d8 2018-11-07 stsp struct got_imsg_object *iobj;
1109 cfd633c2 2018-09-10 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1110 cfd633c2 2018-09-10 stsp
1111 291624d8 2018-11-07 stsp if (datalen != sizeof(*iobj))
1112 cfd633c2 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1113 291624d8 2018-11-07 stsp iobj = imsg->data;
1114 cfd633c2 2018-09-10 stsp
1115 c98b0f0b 2022-06-14 op if (iobj->pack_offset < 0)
1116 c98b0f0b 2022-06-14 op return got_error(GOT_ERR_PACK_OFFSET);
1117 c98b0f0b 2022-06-14 op
1118 cfd633c2 2018-09-10 stsp *obj = calloc(1, sizeof(**obj));
1119 cfd633c2 2018-09-10 stsp if (*obj == NULL)
1120 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
1121 cfd633c2 2018-09-10 stsp
1122 7841c0d1 2023-02-01 op memcpy(&(*obj)->id, &iobj->id, sizeof(iobj->id));
1123 291624d8 2018-11-07 stsp (*obj)->type = iobj->type;
1124 291624d8 2018-11-07 stsp (*obj)->flags = iobj->flags;
1125 291624d8 2018-11-07 stsp (*obj)->hdrlen = iobj->hdrlen;
1126 291624d8 2018-11-07 stsp (*obj)->size = iobj->size;
1127 c59b3346 2018-09-11 stsp /* path_packfile is handled by caller */
1128 291624d8 2018-11-07 stsp if (iobj->flags & GOT_OBJ_FLAG_PACKED) {
1129 291624d8 2018-11-07 stsp (*obj)->pack_offset = iobj->pack_offset;
1130 291624d8 2018-11-07 stsp (*obj)->pack_idx = iobj->pack_idx;
1131 876c234b 2018-09-10 stsp }
1132 d1b988e3 2022-01-26 stsp STAILQ_INIT(&(*obj)->deltas.entries);
1133 9296b03b 2022-01-26 stsp return NULL;
1134 876c234b 2018-09-10 stsp }
1135 876c234b 2018-09-10 stsp
1136 2178c42e 2018-04-22 stsp const struct got_error *
1137 2178c42e 2018-04-22 stsp got_privsep_recv_obj(struct got_object **obj, struct imsgbuf *ibuf)
1138 2178c42e 2018-04-22 stsp {
1139 2178c42e 2018-04-22 stsp const struct got_error *err = NULL;
1140 2178c42e 2018-04-22 stsp struct imsg imsg;
1141 c4eae628 2018-04-23 stsp const size_t min_datalen =
1142 c4eae628 2018-04-23 stsp MIN(sizeof(struct got_imsg_error), sizeof(struct got_imsg_object));
1143 2178c42e 2018-04-22 stsp
1144 2178c42e 2018-04-22 stsp *obj = NULL;
1145 2178c42e 2018-04-22 stsp
1146 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1147 2178c42e 2018-04-22 stsp if (err)
1148 2178c42e 2018-04-22 stsp return err;
1149 2178c42e 2018-04-22 stsp
1150 2178c42e 2018-04-22 stsp switch (imsg.hdr.type) {
1151 2178c42e 2018-04-22 stsp case GOT_IMSG_OBJECT:
1152 cfd633c2 2018-09-10 stsp err = got_privsep_get_imsg_obj(obj, &imsg, ibuf);
1153 bff6ca00 2018-04-23 stsp break;
1154 bff6ca00 2018-04-23 stsp default:
1155 bff6ca00 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1156 bff6ca00 2018-04-23 stsp break;
1157 bff6ca00 2018-04-23 stsp }
1158 bff6ca00 2018-04-23 stsp
1159 bff6ca00 2018-04-23 stsp imsg_free(&imsg);
1160 bff6ca00 2018-04-23 stsp
1161 bff6ca00 2018-04-23 stsp return err;
1162 c75f7264 2018-09-11 stsp }
1163 c75f7264 2018-09-11 stsp
1164 c75f7264 2018-09-11 stsp static const struct got_error *
1165 c75f7264 2018-09-11 stsp send_commit_logmsg(struct imsgbuf *ibuf, struct got_commit_object *commit,
1166 c75f7264 2018-09-11 stsp size_t logmsg_len)
1167 c75f7264 2018-09-11 stsp {
1168 fa4ffeb3 2018-11-04 stsp const struct got_error *err = NULL;
1169 c75f7264 2018-09-11 stsp size_t offset, remain;
1170 c75f7264 2018-09-11 stsp
1171 c75f7264 2018-09-11 stsp offset = 0;
1172 c75f7264 2018-09-11 stsp remain = logmsg_len;
1173 c75f7264 2018-09-11 stsp while (remain > 0) {
1174 c75f7264 2018-09-11 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1175 c75f7264 2018-09-11 stsp
1176 c75f7264 2018-09-11 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_LOGMSG, 0, 0, -1,
1177 fa4ffeb3 2018-11-04 stsp commit->logmsg + offset, n) == -1) {
1178 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose "
1179 230a42bd 2019-05-11 jcs "COMMIT_LOGMSG");
1180 fa4ffeb3 2018-11-04 stsp break;
1181 fa4ffeb3 2018-11-04 stsp }
1182 c75f7264 2018-09-11 stsp
1183 fa4ffeb3 2018-11-04 stsp err = flush_imsg(ibuf);
1184 fa4ffeb3 2018-11-04 stsp if (err)
1185 fa4ffeb3 2018-11-04 stsp break;
1186 c75f7264 2018-09-11 stsp
1187 c75f7264 2018-09-11 stsp offset += n;
1188 c75f7264 2018-09-11 stsp remain -= n;
1189 c75f7264 2018-09-11 stsp }
1190 c75f7264 2018-09-11 stsp
1191 fa4ffeb3 2018-11-04 stsp return err;
1192 bff6ca00 2018-04-23 stsp }
1193 bff6ca00 2018-04-23 stsp
1194 bff6ca00 2018-04-23 stsp const struct got_error *
1195 068fd2bf 2018-04-24 stsp got_privsep_send_commit(struct imsgbuf *ibuf, struct got_commit_object *commit)
1196 bff6ca00 2018-04-23 stsp {
1197 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1198 b9c33926 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1199 bff6ca00 2018-04-23 stsp uint8_t *buf;
1200 bff6ca00 2018-04-23 stsp size_t len, total;
1201 79f35eb3 2018-06-11 stsp struct got_object_qid *qid;
1202 b9c33926 2018-11-07 stsp size_t author_len = strlen(commit->author);
1203 b9c33926 2018-11-07 stsp size_t committer_len = strlen(commit->committer);
1204 c75f7264 2018-09-11 stsp size_t logmsg_len = strlen(commit->logmsg);
1205 bff6ca00 2018-04-23 stsp
1206 b9c33926 2018-11-07 stsp total = sizeof(*icommit) + author_len + committer_len +
1207 472dfe05 2023-02-01 op commit->nparents * sizeof(struct got_object_id);
1208 bff6ca00 2018-04-23 stsp
1209 bff6ca00 2018-04-23 stsp buf = malloc(total);
1210 bff6ca00 2018-04-23 stsp if (buf == NULL)
1211 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1212 bff6ca00 2018-04-23 stsp
1213 b9c33926 2018-11-07 stsp icommit = (struct got_imsg_commit_object *)buf;
1214 472dfe05 2023-02-01 op memcpy(&icommit->tree_id, commit->tree_id, sizeof(icommit->tree_id));
1215 b9c33926 2018-11-07 stsp icommit->author_len = author_len;
1216 b9c33926 2018-11-07 stsp icommit->author_time = commit->author_time;
1217 b9c33926 2018-11-07 stsp icommit->author_gmtoff = commit->author_gmtoff;
1218 b9c33926 2018-11-07 stsp icommit->committer_len = committer_len;
1219 b9c33926 2018-11-07 stsp icommit->committer_time = commit->committer_time;
1220 b9c33926 2018-11-07 stsp icommit->committer_gmtoff = commit->committer_gmtoff;
1221 b9c33926 2018-11-07 stsp icommit->logmsg_len = logmsg_len;
1222 b9c33926 2018-11-07 stsp icommit->nparents = commit->nparents;
1223 b9c33926 2018-11-07 stsp
1224 b9c33926 2018-11-07 stsp len = sizeof(*icommit);
1225 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->author, author_len);
1226 b9c33926 2018-11-07 stsp len += author_len;
1227 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->committer, committer_len);
1228 b9c33926 2018-11-07 stsp len += committer_len;
1229 dbdddfee 2021-06-23 naddy STAILQ_FOREACH(qid, &commit->parent_ids, entry) {
1230 472dfe05 2023-02-01 op memcpy(buf + len, &qid->id, sizeof(qid->id));
1231 472dfe05 2023-02-01 op len += sizeof(qid->id);
1232 bff6ca00 2018-04-23 stsp }
1233 bff6ca00 2018-04-23 stsp
1234 bff6ca00 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT, 0, 0, -1, buf, len) == -1) {
1235 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT");
1236 bff6ca00 2018-04-23 stsp goto done;
1237 bff6ca00 2018-04-23 stsp }
1238 bff6ca00 2018-04-23 stsp
1239 904df868 2018-11-04 stsp if (logmsg_len == 0 ||
1240 904df868 2018-11-04 stsp logmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1241 904df868 2018-11-04 stsp err = flush_imsg(ibuf);
1242 904df868 2018-11-04 stsp if (err)
1243 904df868 2018-11-04 stsp goto done;
1244 904df868 2018-11-04 stsp }
1245 c75f7264 2018-09-11 stsp err = send_commit_logmsg(ibuf, commit, logmsg_len);
1246 bff6ca00 2018-04-23 stsp done:
1247 bff6ca00 2018-04-23 stsp free(buf);
1248 bff6ca00 2018-04-23 stsp return err;
1249 bff6ca00 2018-04-23 stsp }
1250 cfd633c2 2018-09-10 stsp
1251 ca6e02ac 2020-01-07 stsp static const struct got_error *
1252 ca6e02ac 2020-01-07 stsp get_commit_from_imsg(struct got_commit_object **commit,
1253 ca6e02ac 2020-01-07 stsp struct imsg *imsg, size_t datalen, struct imsgbuf *ibuf)
1254 bff6ca00 2018-04-23 stsp {
1255 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1256 291624d8 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1257 ca6e02ac 2020-01-07 stsp size_t len = 0;
1258 bff6ca00 2018-04-23 stsp int i;
1259 bff6ca00 2018-04-23 stsp
1260 ca6e02ac 2020-01-07 stsp if (datalen < sizeof(*icommit))
1261 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1262 bff6ca00 2018-04-23 stsp
1263 ca6e02ac 2020-01-07 stsp icommit = imsg->data;
1264 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommit) + icommit->author_len +
1265 ca6e02ac 2020-01-07 stsp icommit->committer_len +
1266 472dfe05 2023-02-01 op icommit->nparents * sizeof(struct got_object_id))
1267 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1268 bff6ca00 2018-04-23 stsp
1269 ca6e02ac 2020-01-07 stsp if (icommit->nparents < 0)
1270 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1271 ca6e02ac 2020-01-07 stsp
1272 ca6e02ac 2020-01-07 stsp len += sizeof(*icommit);
1273 bff6ca00 2018-04-23 stsp
1274 ca6e02ac 2020-01-07 stsp *commit = got_object_commit_alloc_partial();
1275 ca6e02ac 2020-01-07 stsp if (*commit == NULL)
1276 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
1277 ca6e02ac 2020-01-07 stsp "got_object_commit_alloc_partial");
1278 ca6e02ac 2020-01-07 stsp
1279 472dfe05 2023-02-01 op memcpy((*commit)->tree_id, &icommit->tree_id,
1280 472dfe05 2023-02-01 op sizeof(icommit->tree_id));
1281 ca6e02ac 2020-01-07 stsp (*commit)->author_time = icommit->author_time;
1282 ca6e02ac 2020-01-07 stsp (*commit)->author_gmtoff = icommit->author_gmtoff;
1283 ca6e02ac 2020-01-07 stsp (*commit)->committer_time = icommit->committer_time;
1284 ca6e02ac 2020-01-07 stsp (*commit)->committer_gmtoff = icommit->committer_gmtoff;
1285 ca6e02ac 2020-01-07 stsp
1286 bf31a716 2022-06-14 op (*commit)->author = strndup(imsg->data + len, icommit->author_len);
1287 bf31a716 2022-06-14 op if ((*commit)->author == NULL) {
1288 bf31a716 2022-06-14 op err = got_error_from_errno("strndup");
1289 bf31a716 2022-06-14 op goto done;
1290 ca6e02ac 2020-01-07 stsp }
1291 ca6e02ac 2020-01-07 stsp len += icommit->author_len;
1292 bff6ca00 2018-04-23 stsp
1293 bf31a716 2022-06-14 op (*commit)->committer = strndup(imsg->data + len,
1294 bf31a716 2022-06-14 op icommit->committer_len);
1295 bf31a716 2022-06-14 op if ((*commit)->committer == NULL) {
1296 bf31a716 2022-06-14 op err = got_error_from_errno("strndup");
1297 bf31a716 2022-06-14 op goto done;
1298 ca6e02ac 2020-01-07 stsp }
1299 ca6e02ac 2020-01-07 stsp len += icommit->committer_len;
1300 ca6e02ac 2020-01-07 stsp
1301 ca6e02ac 2020-01-07 stsp if (icommit->logmsg_len == 0) {
1302 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = strdup("");
1303 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1304 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1305 ca6e02ac 2020-01-07 stsp goto done;
1306 ca6e02ac 2020-01-07 stsp }
1307 ca6e02ac 2020-01-07 stsp } else {
1308 ca6e02ac 2020-01-07 stsp size_t offset = 0, remain = icommit->logmsg_len;
1309 ca6e02ac 2020-01-07 stsp
1310 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = malloc(icommit->logmsg_len + 1);
1311 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1312 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1313 ca6e02ac 2020-01-07 stsp goto done;
1314 bff6ca00 2018-04-23 stsp }
1315 ca6e02ac 2020-01-07 stsp while (remain > 0) {
1316 ca6e02ac 2020-01-07 stsp struct imsg imsg_log;
1317 ca6e02ac 2020-01-07 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1318 ca6e02ac 2020-01-07 stsp remain);
1319 6c281f94 2018-06-11 stsp
1320 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1321 ca6e02ac 2020-01-07 stsp if (err)
1322 ca6e02ac 2020-01-07 stsp goto done;
1323 bff6ca00 2018-04-23 stsp
1324 ca6e02ac 2020-01-07 stsp if (imsg_log.hdr.type != GOT_IMSG_COMMIT_LOGMSG) {
1325 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1326 ca6e02ac 2020-01-07 stsp goto done;
1327 bff6ca00 2018-04-23 stsp }
1328 c75f7264 2018-09-11 stsp
1329 ca6e02ac 2020-01-07 stsp memcpy((*commit)->logmsg + offset,
1330 ca6e02ac 2020-01-07 stsp imsg_log.data, n);
1331 ca6e02ac 2020-01-07 stsp imsg_free(&imsg_log);
1332 ca6e02ac 2020-01-07 stsp offset += n;
1333 ca6e02ac 2020-01-07 stsp remain -= n;
1334 bff6ca00 2018-04-23 stsp }
1335 ca6e02ac 2020-01-07 stsp (*commit)->logmsg[icommit->logmsg_len] = '\0';
1336 ca6e02ac 2020-01-07 stsp }
1337 bff6ca00 2018-04-23 stsp
1338 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommit->nparents; i++) {
1339 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
1340 86acc566 2018-04-23 stsp
1341 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
1342 ca6e02ac 2020-01-07 stsp if (err)
1343 ca6e02ac 2020-01-07 stsp break;
1344 d7b5a0e8 2022-04-20 stsp memcpy(&qid->id, imsg->data + len +
1345 472dfe05 2023-02-01 op i * sizeof(qid->id), sizeof(qid->id));
1346 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(&(*commit)->parent_ids, qid, entry);
1347 ca6e02ac 2020-01-07 stsp (*commit)->nparents++;
1348 ca6e02ac 2020-01-07 stsp }
1349 ca6e02ac 2020-01-07 stsp done:
1350 ca6e02ac 2020-01-07 stsp if (err) {
1351 ca6e02ac 2020-01-07 stsp got_object_commit_close(*commit);
1352 ca6e02ac 2020-01-07 stsp *commit = NULL;
1353 ca6e02ac 2020-01-07 stsp }
1354 ca6e02ac 2020-01-07 stsp return err;
1355 ca6e02ac 2020-01-07 stsp }
1356 ca6e02ac 2020-01-07 stsp
1357 ca6e02ac 2020-01-07 stsp const struct got_error *
1358 ca6e02ac 2020-01-07 stsp got_privsep_recv_commit(struct got_commit_object **commit, struct imsgbuf *ibuf)
1359 ca6e02ac 2020-01-07 stsp {
1360 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
1361 ca6e02ac 2020-01-07 stsp struct imsg imsg;
1362 ca6e02ac 2020-01-07 stsp size_t datalen;
1363 ca6e02ac 2020-01-07 stsp const size_t min_datalen =
1364 ca6e02ac 2020-01-07 stsp MIN(sizeof(struct got_imsg_error),
1365 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_object));
1366 ca6e02ac 2020-01-07 stsp
1367 ca6e02ac 2020-01-07 stsp *commit = NULL;
1368 ca6e02ac 2020-01-07 stsp
1369 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1370 ca6e02ac 2020-01-07 stsp if (err)
1371 ca6e02ac 2020-01-07 stsp return err;
1372 ca6e02ac 2020-01-07 stsp
1373 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1374 ca6e02ac 2020-01-07 stsp
1375 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
1376 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
1377 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(commit, &imsg, datalen, ibuf);
1378 2178c42e 2018-04-22 stsp break;
1379 8c580685 2018-04-22 stsp default:
1380 8c580685 2018-04-22 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1381 8c580685 2018-04-22 stsp break;
1382 2178c42e 2018-04-22 stsp }
1383 2178c42e 2018-04-22 stsp
1384 2178c42e 2018-04-22 stsp imsg_free(&imsg);
1385 e033d803 2018-04-23 stsp
1386 e033d803 2018-04-23 stsp return err;
1387 e033d803 2018-04-23 stsp }
1388 e033d803 2018-04-23 stsp
1389 33fd69c2 2022-05-19 stsp static const struct got_error *
1390 0ab4c957 2022-06-13 stsp send_tree_entries_batch(struct imsgbuf *ibuf,
1391 0ab4c957 2022-06-13 stsp struct got_parsed_tree_entry *entries, int idx0, int idxN, size_t len)
1392 e033d803 2018-04-23 stsp {
1393 33fd69c2 2022-05-19 stsp struct ibuf *wbuf;
1394 33fd69c2 2022-05-19 stsp struct got_imsg_tree_entries ientries;
1395 33fd69c2 2022-05-19 stsp int i;
1396 e033d803 2018-04-23 stsp
1397 031611fc 2022-06-18 op memset(&ientries, 0, sizeof(ientries));
1398 031611fc 2022-06-18 op
1399 33fd69c2 2022-05-19 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_ENTRIES, 0, 0, len);
1400 33fd69c2 2022-05-19 stsp if (wbuf == NULL)
1401 33fd69c2 2022-05-19 stsp return got_error_from_errno("imsg_create TREE_ENTRY");
1402 e033d803 2018-04-23 stsp
1403 33fd69c2 2022-05-19 stsp ientries.nentries = idxN - idx0 + 1;
1404 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &ientries, sizeof(ientries)) == -1)
1405 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_ENTRY");
1406 e033d803 2018-04-23 stsp
1407 33fd69c2 2022-05-19 stsp for (i = idx0; i <= idxN; i++) {
1408 a1f06df2 2023-02-04 op static const char gap[12]; /* for sha1-inside-sha256 alignment */
1409 33fd69c2 2022-05-19 stsp struct got_parsed_tree_entry *pte = &entries[i];
1410 a1f06df2 2023-02-04 op int algo = GOT_HASH_SHA256;
1411 e033d803 2018-04-23 stsp
1412 a1f06df2 2023-02-04 op if (pte->idlen != SHA256_DIGEST_LENGTH)
1413 a1f06df2 2023-02-04 op algo = GOT_HASH_SHA1;
1414 a1f06df2 2023-02-04 op
1415 a1f06df2 2023-02-04 op /* Keep in sync with struct got_imsg_tree_entry definition! */
1416 a1f06df2 2023-02-04 op if (imsg_add(wbuf, pte->id, pte->idlen) == -1)
1417 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_ENTRY");
1418 a1f06df2 2023-02-04 op if (pte->idlen != SHA256_DIGEST_LENGTH &&
1419 a1f06df2 2023-02-04 op imsg_add(wbuf, gap, sizeof(gap)) == -1)
1420 a1f06df2 2023-02-04 op return got_error_from_errno("imsg_add TREE_ENTRY");
1421 a1f06df2 2023-02-04 op if (imsg_add(wbuf, &algo, sizeof(algo)) == -1)
1422 a1f06df2 2023-02-04 op return got_error_from_errno("imsg_add TREE_ENTRY");
1423 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &pte->mode, sizeof(pte->mode)) == -1)
1424 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_ENTRY");
1425 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &pte->namelen, sizeof(pte->namelen)) == -1)
1426 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_ENTRY");
1427 b4b1b9c0 2022-06-14 op
1428 a1f06df2 2023-02-04 op /* Remaining bytes are the id and entry's name. */
1429 1453347d 2022-05-19 stsp if (imsg_add(wbuf, pte->name, pte->namelen) == -1)
1430 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_ENTRY");
1431 33fd69c2 2022-05-19 stsp }
1432 3022d272 2019-11-14 stsp
1433 33fd69c2 2022-05-19 stsp wbuf->fd = -1;
1434 33fd69c2 2022-05-19 stsp imsg_close(ibuf, wbuf);
1435 33fd69c2 2022-05-19 stsp return NULL;
1436 33fd69c2 2022-05-19 stsp }
1437 3022d272 2019-11-14 stsp
1438 0ab4c957 2022-06-13 stsp static const struct got_error *
1439 0ab4c957 2022-06-13 stsp send_tree_entries(struct imsgbuf *ibuf, struct got_parsed_tree_entry *entries,
1440 0ab4c957 2022-06-13 stsp int nentries)
1441 33fd69c2 2022-05-19 stsp {
1442 33fd69c2 2022-05-19 stsp const struct got_error *err = NULL;
1443 33fd69c2 2022-05-19 stsp int i, j;
1444 0ab4c957 2022-06-13 stsp size_t entries_len = sizeof(struct got_imsg_tree_entries);
1445 33fd69c2 2022-05-19 stsp
1446 33fd69c2 2022-05-19 stsp i = 0;
1447 33fd69c2 2022-05-19 stsp for (j = 0; j < nentries; j++) {
1448 33fd69c2 2022-05-19 stsp struct got_parsed_tree_entry *pte = &entries[j];
1449 a1f06df2 2023-02-04 op size_t len = SHA256_DIGEST_LENGTH + sizeof(pte->mode) +
1450 6c77e033 2022-07-02 op sizeof(pte->namelen) + pte->namelen;
1451 33fd69c2 2022-05-19 stsp
1452 33fd69c2 2022-05-19 stsp if (j > 0 &&
1453 33fd69c2 2022-05-19 stsp entries_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1454 0ab4c957 2022-06-13 stsp err = send_tree_entries_batch(ibuf, entries,
1455 33fd69c2 2022-05-19 stsp i, j - 1, entries_len);
1456 33fd69c2 2022-05-19 stsp if (err)
1457 33fd69c2 2022-05-19 stsp return err;
1458 33fd69c2 2022-05-19 stsp i = j;
1459 33fd69c2 2022-05-19 stsp entries_len = sizeof(struct got_imsg_tree_entries);
1460 33fd69c2 2022-05-19 stsp }
1461 33fd69c2 2022-05-19 stsp
1462 33fd69c2 2022-05-19 stsp entries_len += len;
1463 e033d803 2018-04-23 stsp }
1464 e033d803 2018-04-23 stsp
1465 33fd69c2 2022-05-19 stsp if (j > 0) {
1466 0ab4c957 2022-06-13 stsp err = send_tree_entries_batch(ibuf, entries, i, j - 1,
1467 0ab4c957 2022-06-13 stsp entries_len);
1468 33fd69c2 2022-05-19 stsp if (err)
1469 33fd69c2 2022-05-19 stsp return err;
1470 33fd69c2 2022-05-19 stsp }
1471 cee6a7ea 2022-06-07 stsp
1472 0ab4c957 2022-06-13 stsp return NULL;
1473 0ab4c957 2022-06-13 stsp }
1474 0ab4c957 2022-06-13 stsp
1475 0ab4c957 2022-06-13 stsp const struct got_error *
1476 0ab4c957 2022-06-13 stsp got_privsep_send_tree(struct imsgbuf *ibuf,
1477 0ab4c957 2022-06-13 stsp struct got_parsed_tree_entry *entries, int nentries)
1478 0ab4c957 2022-06-13 stsp {
1479 0ab4c957 2022-06-13 stsp const struct got_error *err = NULL;
1480 0ab4c957 2022-06-13 stsp struct got_imsg_tree_object itree;
1481 0ab4c957 2022-06-13 stsp
1482 031611fc 2022-06-18 op memset(&itree, 0, sizeof(itree));
1483 0ab4c957 2022-06-13 stsp itree.nentries = nentries;
1484 0ab4c957 2022-06-13 stsp if (imsg_compose(ibuf, GOT_IMSG_TREE, 0, 0, -1, &itree, sizeof(itree))
1485 0ab4c957 2022-06-13 stsp == -1)
1486 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_compose TREE");
1487 0ab4c957 2022-06-13 stsp
1488 0ab4c957 2022-06-13 stsp err = send_tree_entries(ibuf, entries, nentries);
1489 0ab4c957 2022-06-13 stsp if (err)
1490 0ab4c957 2022-06-13 stsp return err;
1491 0ab4c957 2022-06-13 stsp
1492 b00c9821 2018-11-04 stsp return flush_imsg(ibuf);
1493 0ab4c957 2022-06-13 stsp }
1494 0ab4c957 2022-06-13 stsp
1495 0ab4c957 2022-06-13 stsp
1496 0ab4c957 2022-06-13 stsp static const struct got_error *
1497 0ab4c957 2022-06-13 stsp recv_tree_entries(void *data, size_t datalen, struct got_tree_object *tree,
1498 0ab4c957 2022-06-13 stsp int *nentries)
1499 0ab4c957 2022-06-13 stsp {
1500 0ab4c957 2022-06-13 stsp const struct got_error *err = NULL;
1501 0ab4c957 2022-06-13 stsp struct got_imsg_tree_entries *ientries;
1502 0ab4c957 2022-06-13 stsp struct got_tree_entry *te;
1503 0ab4c957 2022-06-13 stsp size_t te_offset;
1504 0ab4c957 2022-06-13 stsp size_t i;
1505 0ab4c957 2022-06-13 stsp
1506 0ab4c957 2022-06-13 stsp if (datalen <= sizeof(*ientries) ||
1507 0ab4c957 2022-06-13 stsp datalen > MAX_IMSGSIZE - IMSG_HEADER_SIZE)
1508 0ab4c957 2022-06-13 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1509 0ab4c957 2022-06-13 stsp
1510 0ab4c957 2022-06-13 stsp ientries = (struct got_imsg_tree_entries *)data;
1511 0ab4c957 2022-06-13 stsp if (ientries->nentries > INT_MAX) {
1512 0ab4c957 2022-06-13 stsp return got_error_msg(GOT_ERR_NO_SPACE,
1513 0ab4c957 2022-06-13 stsp "too many tree entries");
1514 0ab4c957 2022-06-13 stsp }
1515 0ab4c957 2022-06-13 stsp
1516 0ab4c957 2022-06-13 stsp te_offset = sizeof(*ientries);
1517 0ab4c957 2022-06-13 stsp for (i = 0; i < ientries->nentries; i++) {
1518 0ab4c957 2022-06-13 stsp struct got_imsg_tree_entry ite;
1519 0ab4c957 2022-06-13 stsp const char *te_name;
1520 0ab4c957 2022-06-13 stsp uint8_t *buf = (uint8_t *)data + te_offset;
1521 0ab4c957 2022-06-13 stsp
1522 0ab4c957 2022-06-13 stsp if (te_offset >= datalen) {
1523 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1524 0ab4c957 2022-06-13 stsp break;
1525 0ab4c957 2022-06-13 stsp }
1526 0ab4c957 2022-06-13 stsp
1527 0ab4c957 2022-06-13 stsp /* Might not be aligned, size is ~32 bytes. */
1528 0ab4c957 2022-06-13 stsp memcpy(&ite, buf, sizeof(ite));
1529 0ab4c957 2022-06-13 stsp
1530 0ab4c957 2022-06-13 stsp if (ite.namelen >= sizeof(te->name)) {
1531 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1532 0ab4c957 2022-06-13 stsp break;
1533 0ab4c957 2022-06-13 stsp }
1534 0ab4c957 2022-06-13 stsp if (te_offset + sizeof(ite) + ite.namelen > datalen) {
1535 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1536 0ab4c957 2022-06-13 stsp break;
1537 0ab4c957 2022-06-13 stsp }
1538 0ab4c957 2022-06-13 stsp
1539 0ab4c957 2022-06-13 stsp if (*nentries >= tree->nentries) {
1540 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1541 0ab4c957 2022-06-13 stsp break;
1542 0ab4c957 2022-06-13 stsp }
1543 0ab4c957 2022-06-13 stsp te = &tree->entries[*nentries];
1544 0ab4c957 2022-06-13 stsp te_name = buf + sizeof(ite);
1545 0ab4c957 2022-06-13 stsp memcpy(te->name, te_name, ite.namelen);
1546 0ab4c957 2022-06-13 stsp te->name[ite.namelen] = '\0';
1547 a1f06df2 2023-02-04 op memcpy(te->id.hash, ite.id, sizeof(te->id.hash));
1548 a1f06df2 2023-02-04 op te->id.algo = ite.algo;
1549 0ab4c957 2022-06-13 stsp te->mode = ite.mode;
1550 0ab4c957 2022-06-13 stsp te->idx = *nentries;
1551 0ab4c957 2022-06-13 stsp (*nentries)++;
1552 0ab4c957 2022-06-13 stsp
1553 0ab4c957 2022-06-13 stsp te_offset += sizeof(ite) + ite.namelen;
1554 0ab4c957 2022-06-13 stsp }
1555 0ab4c957 2022-06-13 stsp
1556 0ab4c957 2022-06-13 stsp return err;
1557 cee6a7ea 2022-06-07 stsp }
1558 cee6a7ea 2022-06-07 stsp
1559 e033d803 2018-04-23 stsp const struct got_error *
1560 068fd2bf 2018-04-24 stsp got_privsep_recv_tree(struct got_tree_object **tree, struct imsgbuf *ibuf)
1561 e033d803 2018-04-23 stsp {
1562 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
1563 e033d803 2018-04-23 stsp const size_t min_datalen =
1564 e033d803 2018-04-23 stsp MIN(sizeof(struct got_imsg_error),
1565 e033d803 2018-04-23 stsp sizeof(struct got_imsg_tree_object));
1566 291624d8 2018-11-07 stsp struct got_imsg_tree_object *itree;
1567 e033d803 2018-04-23 stsp int nentries = 0;
1568 2178c42e 2018-04-22 stsp
1569 e033d803 2018-04-23 stsp *tree = NULL;
1570 7429ae85 2022-05-18 stsp
1571 80985c16 2022-07-07 op while (*tree == NULL || nentries < (*tree)->nentries) {
1572 e033d803 2018-04-23 stsp struct imsg imsg;
1573 e033d803 2018-04-23 stsp size_t datalen;
1574 e033d803 2018-04-23 stsp
1575 80985c16 2022-07-07 op err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1576 80985c16 2022-07-07 op if (err)
1577 fca1f6ad 2020-08-27 stsp break;
1578 e033d803 2018-04-23 stsp
1579 e033d803 2018-04-23 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1580 e033d803 2018-04-23 stsp
1581 e033d803 2018-04-23 stsp switch (imsg.hdr.type) {
1582 e033d803 2018-04-23 stsp case GOT_IMSG_TREE:
1583 e033d803 2018-04-23 stsp /* This message should only appear once. */
1584 e033d803 2018-04-23 stsp if (*tree != NULL) {
1585 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1586 e033d803 2018-04-23 stsp break;
1587 e033d803 2018-04-23 stsp }
1588 291624d8 2018-11-07 stsp if (datalen != sizeof(*itree)) {
1589 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1590 e033d803 2018-04-23 stsp break;
1591 e033d803 2018-04-23 stsp }
1592 291624d8 2018-11-07 stsp itree = imsg.data;
1593 13fcf1bf 2022-05-18 stsp if (itree->nentries < 0) {
1594 13fcf1bf 2022-05-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1595 13fcf1bf 2022-05-18 stsp break;
1596 13fcf1bf 2022-05-18 stsp }
1597 c3b78ecc 2018-11-07 stsp *tree = malloc(sizeof(**tree));
1598 e033d803 2018-04-23 stsp if (*tree == NULL) {
1599 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1600 e033d803 2018-04-23 stsp break;
1601 e033d803 2018-04-23 stsp }
1602 56e0773d 2019-11-28 stsp (*tree)->entries = calloc(itree->nentries,
1603 56e0773d 2019-11-28 stsp sizeof(struct got_tree_entry));
1604 56e0773d 2019-11-28 stsp if ((*tree)->entries == NULL) {
1605 56e0773d 2019-11-28 stsp err = got_error_from_errno("malloc");
1606 baef4d75 2022-05-18 stsp free(*tree);
1607 baef4d75 2022-05-18 stsp *tree = NULL;
1608 56e0773d 2019-11-28 stsp break;
1609 56e0773d 2019-11-28 stsp }
1610 56e0773d 2019-11-28 stsp (*tree)->nentries = itree->nentries;
1611 c3b78ecc 2018-11-07 stsp (*tree)->refcnt = 0;
1612 e033d803 2018-04-23 stsp break;
1613 33fd69c2 2022-05-19 stsp case GOT_IMSG_TREE_ENTRIES:
1614 e033d803 2018-04-23 stsp /* This message should be preceeded by GOT_IMSG_TREE. */
1615 e033d803 2018-04-23 stsp if (*tree == NULL) {
1616 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1617 e033d803 2018-04-23 stsp break;
1618 e033d803 2018-04-23 stsp }
1619 0ab4c957 2022-06-13 stsp err = recv_tree_entries(imsg.data, datalen,
1620 0ab4c957 2022-06-13 stsp *tree, &nentries);
1621 e033d803 2018-04-23 stsp break;
1622 e033d803 2018-04-23 stsp default:
1623 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1624 e033d803 2018-04-23 stsp break;
1625 e033d803 2018-04-23 stsp }
1626 e033d803 2018-04-23 stsp
1627 e033d803 2018-04-23 stsp imsg_free(&imsg);
1628 d6b7d054 2020-08-27 stsp if (err)
1629 d6b7d054 2020-08-27 stsp break;
1630 e033d803 2018-04-23 stsp }
1631 80985c16 2022-07-07 op
1632 56e0773d 2019-11-28 stsp if (*tree && (*tree)->nentries != nentries) {
1633 1e51f5b9 2018-04-23 stsp if (err == NULL)
1634 1e51f5b9 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1635 e033d803 2018-04-23 stsp got_object_tree_close(*tree);
1636 e033d803 2018-04-23 stsp *tree = NULL;
1637 ff6b18f8 2018-04-24 stsp }
1638 ff6b18f8 2018-04-24 stsp
1639 ff6b18f8 2018-04-24 stsp return err;
1640 ff6b18f8 2018-04-24 stsp }
1641 ff6b18f8 2018-04-24 stsp
1642 ff6b18f8 2018-04-24 stsp const struct got_error *
1643 ac544f8c 2019-01-13 stsp got_privsep_send_blob(struct imsgbuf *ibuf, size_t size, size_t hdrlen,
1644 ac544f8c 2019-01-13 stsp const uint8_t *data)
1645 ff6b18f8 2018-04-24 stsp {
1646 2967a784 2018-04-24 stsp struct got_imsg_blob iblob;
1647 2967a784 2018-04-24 stsp
1648 031611fc 2022-06-18 op memset(&iblob, 0, sizeof(iblob));
1649 2967a784 2018-04-24 stsp iblob.size = size;
1650 ebc55e2d 2018-12-24 stsp iblob.hdrlen = hdrlen;
1651 2967a784 2018-04-24 stsp
1652 ac544f8c 2019-01-13 stsp if (data) {
1653 ac544f8c 2019-01-13 stsp uint8_t *buf;
1654 ac544f8c 2019-01-13 stsp
1655 ac544f8c 2019-01-13 stsp if (size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX)
1656 ac544f8c 2019-01-13 stsp return got_error(GOT_ERR_NO_SPACE);
1657 ac544f8c 2019-01-13 stsp
1658 ac544f8c 2019-01-13 stsp buf = malloc(sizeof(iblob) + size);
1659 ac544f8c 2019-01-13 stsp if (buf == NULL)
1660 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1661 ff6b18f8 2018-04-24 stsp
1662 ac544f8c 2019-01-13 stsp memcpy(buf, &iblob, sizeof(iblob));
1663 ac544f8c 2019-01-13 stsp memcpy(buf + sizeof(iblob), data, size);
1664 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, buf,
1665 62d463ca 2020-10-20 naddy sizeof(iblob) + size) == -1) {
1666 ac544f8c 2019-01-13 stsp free(buf);
1667 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1668 ac544f8c 2019-01-13 stsp }
1669 ac544f8c 2019-01-13 stsp free(buf);
1670 ac544f8c 2019-01-13 stsp } else {
1671 ac544f8c 2019-01-13 stsp /* Data has already been written to file descriptor. */
1672 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, &iblob,
1673 ac544f8c 2019-01-13 stsp sizeof(iblob)) == -1)
1674 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1675 ac544f8c 2019-01-13 stsp }
1676 ac544f8c 2019-01-13 stsp
1677 ac544f8c 2019-01-13 stsp
1678 ff6b18f8 2018-04-24 stsp return flush_imsg(ibuf);
1679 ff6b18f8 2018-04-24 stsp }
1680 ff6b18f8 2018-04-24 stsp
1681 ff6b18f8 2018-04-24 stsp const struct got_error *
1682 ac544f8c 2019-01-13 stsp got_privsep_recv_blob(uint8_t **outbuf, size_t *size, size_t *hdrlen,
1683 ac544f8c 2019-01-13 stsp struct imsgbuf *ibuf)
1684 ff6b18f8 2018-04-24 stsp {
1685 ff6b18f8 2018-04-24 stsp const struct got_error *err = NULL;
1686 ff6b18f8 2018-04-24 stsp struct imsg imsg;
1687 291624d8 2018-11-07 stsp struct got_imsg_blob *iblob;
1688 ff6b18f8 2018-04-24 stsp size_t datalen;
1689 ff6b18f8 2018-04-24 stsp
1690 ac544f8c 2019-01-13 stsp *outbuf = NULL;
1691 ac544f8c 2019-01-13 stsp
1692 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1693 ff6b18f8 2018-04-24 stsp if (err)
1694 ff6b18f8 2018-04-24 stsp return err;
1695 ff6b18f8 2018-04-24 stsp
1696 ff6b18f8 2018-04-24 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1697 ff6b18f8 2018-04-24 stsp
1698 ff6b18f8 2018-04-24 stsp switch (imsg.hdr.type) {
1699 ff6b18f8 2018-04-24 stsp case GOT_IMSG_BLOB:
1700 ac544f8c 2019-01-13 stsp if (datalen < sizeof(*iblob)) {
1701 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1702 18336eed 2018-11-04 stsp break;
1703 18336eed 2018-11-04 stsp }
1704 291624d8 2018-11-07 stsp iblob = imsg.data;
1705 291624d8 2018-11-07 stsp *size = iblob->size;
1706 ebc55e2d 2018-12-24 stsp *hdrlen = iblob->hdrlen;
1707 ac544f8c 2019-01-13 stsp
1708 ac544f8c 2019-01-13 stsp if (datalen == sizeof(*iblob)) {
1709 ac544f8c 2019-01-13 stsp /* Data has been written to file descriptor. */
1710 ac544f8c 2019-01-13 stsp break;
1711 ac544f8c 2019-01-13 stsp }
1712 ac544f8c 2019-01-13 stsp
1713 c98b0f0b 2022-06-14 op if (*size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX ||
1714 c98b0f0b 2022-06-14 op *size > datalen + sizeof(*iblob)) {
1715 ac544f8c 2019-01-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1716 ac544f8c 2019-01-13 stsp break;
1717 ac544f8c 2019-01-13 stsp }
1718 ac544f8c 2019-01-13 stsp
1719 ac544f8c 2019-01-13 stsp *outbuf = malloc(*size);
1720 ac544f8c 2019-01-13 stsp if (*outbuf == NULL) {
1721 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1722 ac544f8c 2019-01-13 stsp break;
1723 ac544f8c 2019-01-13 stsp }
1724 ac544f8c 2019-01-13 stsp memcpy(*outbuf, imsg.data + sizeof(*iblob), *size);
1725 f4a881ce 2018-11-17 stsp break;
1726 f4a881ce 2018-11-17 stsp default:
1727 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1728 f4a881ce 2018-11-17 stsp break;
1729 f4a881ce 2018-11-17 stsp }
1730 f4a881ce 2018-11-17 stsp
1731 f4a881ce 2018-11-17 stsp imsg_free(&imsg);
1732 f4a881ce 2018-11-17 stsp
1733 f4a881ce 2018-11-17 stsp return err;
1734 f4a881ce 2018-11-17 stsp }
1735 f4a881ce 2018-11-17 stsp
1736 f4a881ce 2018-11-17 stsp static const struct got_error *
1737 f4a881ce 2018-11-17 stsp send_tagmsg(struct imsgbuf *ibuf, struct got_tag_object *tag, size_t tagmsg_len)
1738 f4a881ce 2018-11-17 stsp {
1739 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1740 f4a881ce 2018-11-17 stsp size_t offset, remain;
1741 f4a881ce 2018-11-17 stsp
1742 f4a881ce 2018-11-17 stsp offset = 0;
1743 f4a881ce 2018-11-17 stsp remain = tagmsg_len;
1744 f4a881ce 2018-11-17 stsp while (remain > 0) {
1745 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1746 f4a881ce 2018-11-17 stsp
1747 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_TAGMSG, 0, 0, -1,
1748 f4a881ce 2018-11-17 stsp tag->tagmsg + offset, n) == -1) {
1749 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG_TAGMSG");
1750 f4a881ce 2018-11-17 stsp break;
1751 f4a881ce 2018-11-17 stsp }
1752 f4a881ce 2018-11-17 stsp
1753 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1754 f4a881ce 2018-11-17 stsp if (err)
1755 f4a881ce 2018-11-17 stsp break;
1756 f4a881ce 2018-11-17 stsp
1757 f4a881ce 2018-11-17 stsp offset += n;
1758 f4a881ce 2018-11-17 stsp remain -= n;
1759 f4a881ce 2018-11-17 stsp }
1760 f4a881ce 2018-11-17 stsp
1761 f4a881ce 2018-11-17 stsp return err;
1762 f4a881ce 2018-11-17 stsp }
1763 f4a881ce 2018-11-17 stsp
1764 f4a881ce 2018-11-17 stsp const struct got_error *
1765 f4a881ce 2018-11-17 stsp got_privsep_send_tag(struct imsgbuf *ibuf, struct got_tag_object *tag)
1766 f4a881ce 2018-11-17 stsp {
1767 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1768 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1769 f4a881ce 2018-11-17 stsp uint8_t *buf;
1770 f4a881ce 2018-11-17 stsp size_t len, total;
1771 f4a881ce 2018-11-17 stsp size_t tag_len = strlen(tag->tag);
1772 f4a881ce 2018-11-17 stsp size_t tagger_len = strlen(tag->tagger);
1773 f4a881ce 2018-11-17 stsp size_t tagmsg_len = strlen(tag->tagmsg);
1774 f4a881ce 2018-11-17 stsp
1775 f4a881ce 2018-11-17 stsp total = sizeof(*itag) + tag_len + tagger_len + tagmsg_len;
1776 f4a881ce 2018-11-17 stsp
1777 f4a881ce 2018-11-17 stsp buf = malloc(total);
1778 f4a881ce 2018-11-17 stsp if (buf == NULL)
1779 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1780 f4a881ce 2018-11-17 stsp
1781 f4a881ce 2018-11-17 stsp itag = (struct got_imsg_tag_object *)buf;
1782 3093e2d7 2023-02-04 op memcpy(itag->id, tag->id.hash, sizeof(itag->id));
1783 f4a881ce 2018-11-17 stsp itag->obj_type = tag->obj_type;
1784 f4a881ce 2018-11-17 stsp itag->tag_len = tag_len;
1785 f4a881ce 2018-11-17 stsp itag->tagger_len = tagger_len;
1786 f4a881ce 2018-11-17 stsp itag->tagger_time = tag->tagger_time;
1787 f4a881ce 2018-11-17 stsp itag->tagger_gmtoff = tag->tagger_gmtoff;
1788 f4a881ce 2018-11-17 stsp itag->tagmsg_len = tagmsg_len;
1789 f4a881ce 2018-11-17 stsp
1790 f4a881ce 2018-11-17 stsp len = sizeof(*itag);
1791 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tag, tag_len);
1792 f4a881ce 2018-11-17 stsp len += tag_len;
1793 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tagger, tagger_len);
1794 f4a881ce 2018-11-17 stsp len += tagger_len;
1795 f4a881ce 2018-11-17 stsp
1796 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG, 0, 0, -1, buf, len) == -1) {
1797 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG");
1798 f4a881ce 2018-11-17 stsp goto done;
1799 f4a881ce 2018-11-17 stsp }
1800 f4a881ce 2018-11-17 stsp
1801 f4a881ce 2018-11-17 stsp if (tagmsg_len == 0 ||
1802 f4a881ce 2018-11-17 stsp tagmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1803 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1804 f4a881ce 2018-11-17 stsp if (err)
1805 f4a881ce 2018-11-17 stsp goto done;
1806 f4a881ce 2018-11-17 stsp }
1807 f4a881ce 2018-11-17 stsp err = send_tagmsg(ibuf, tag, tagmsg_len);
1808 f4a881ce 2018-11-17 stsp done:
1809 f4a881ce 2018-11-17 stsp free(buf);
1810 f4a881ce 2018-11-17 stsp return err;
1811 f4a881ce 2018-11-17 stsp }
1812 f4a881ce 2018-11-17 stsp
1813 f4a881ce 2018-11-17 stsp const struct got_error *
1814 f4a881ce 2018-11-17 stsp got_privsep_recv_tag(struct got_tag_object **tag, struct imsgbuf *ibuf)
1815 f4a881ce 2018-11-17 stsp {
1816 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1817 f4a881ce 2018-11-17 stsp struct imsg imsg;
1818 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1819 f4a881ce 2018-11-17 stsp size_t len, datalen;
1820 f4a881ce 2018-11-17 stsp const size_t min_datalen =
1821 f4a881ce 2018-11-17 stsp MIN(sizeof(struct got_imsg_error),
1822 f4a881ce 2018-11-17 stsp sizeof(struct got_imsg_tag_object));
1823 f4a881ce 2018-11-17 stsp
1824 f4a881ce 2018-11-17 stsp *tag = NULL;
1825 f4a881ce 2018-11-17 stsp
1826 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1827 f4a881ce 2018-11-17 stsp if (err)
1828 f4a881ce 2018-11-17 stsp return err;
1829 f4a881ce 2018-11-17 stsp
1830 f4a881ce 2018-11-17 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1831 f4a881ce 2018-11-17 stsp len = 0;
1832 f4a881ce 2018-11-17 stsp
1833 f4a881ce 2018-11-17 stsp switch (imsg.hdr.type) {
1834 f4a881ce 2018-11-17 stsp case GOT_IMSG_TAG:
1835 f4a881ce 2018-11-17 stsp if (datalen < sizeof(*itag)) {
1836 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1837 f4a881ce 2018-11-17 stsp break;
1838 f4a881ce 2018-11-17 stsp }
1839 f4a881ce 2018-11-17 stsp itag = imsg.data;
1840 f4a881ce 2018-11-17 stsp if (datalen != sizeof(*itag) + itag->tag_len +
1841 f4a881ce 2018-11-17 stsp itag->tagger_len) {
1842 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1843 f4a881ce 2018-11-17 stsp break;
1844 f4a881ce 2018-11-17 stsp }
1845 f4a881ce 2018-11-17 stsp len += sizeof(*itag);
1846 f4a881ce 2018-11-17 stsp
1847 f4a881ce 2018-11-17 stsp *tag = calloc(1, sizeof(**tag));
1848 f4a881ce 2018-11-17 stsp if (*tag == NULL) {
1849 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
1850 f4a881ce 2018-11-17 stsp break;
1851 f4a881ce 2018-11-17 stsp }
1852 f4a881ce 2018-11-17 stsp
1853 3093e2d7 2023-02-04 op memcpy((*tag)->id.hash, itag->id, SHA1_DIGEST_LENGTH);
1854 f4a881ce 2018-11-17 stsp
1855 bf31a716 2022-06-14 op (*tag)->tag = strndup(imsg.data + len, itag->tag_len);
1856 bf31a716 2022-06-14 op if ((*tag)->tag == NULL) {
1857 bf31a716 2022-06-14 op err = got_error_from_errno("strndup");
1858 bf31a716 2022-06-14 op break;
1859 f4a881ce 2018-11-17 stsp }
1860 f4a881ce 2018-11-17 stsp len += itag->tag_len;
1861 f4a881ce 2018-11-17 stsp
1862 f4a881ce 2018-11-17 stsp (*tag)->obj_type = itag->obj_type;
1863 f4a881ce 2018-11-17 stsp (*tag)->tagger_time = itag->tagger_time;
1864 f4a881ce 2018-11-17 stsp (*tag)->tagger_gmtoff = itag->tagger_gmtoff;
1865 f4a881ce 2018-11-17 stsp
1866 bf31a716 2022-06-14 op (*tag)->tagger = strndup(imsg.data + len, itag->tagger_len);
1867 bf31a716 2022-06-14 op if ((*tag)->tagger == NULL) {
1868 bf31a716 2022-06-14 op err = got_error_from_errno("strndup");
1869 bf31a716 2022-06-14 op break;
1870 f4a881ce 2018-11-17 stsp }
1871 f4a881ce 2018-11-17 stsp len += itag->tagger_len;
1872 f4a881ce 2018-11-17 stsp
1873 f4a881ce 2018-11-17 stsp if (itag->tagmsg_len == 0) {
1874 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = strdup("");
1875 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1876 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1877 f4a881ce 2018-11-17 stsp break;
1878 f4a881ce 2018-11-17 stsp }
1879 f4a881ce 2018-11-17 stsp } else {
1880 f4a881ce 2018-11-17 stsp size_t offset = 0, remain = itag->tagmsg_len;
1881 f4a881ce 2018-11-17 stsp
1882 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = malloc(itag->tagmsg_len + 1);
1883 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1884 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1885 f4a881ce 2018-11-17 stsp break;
1886 f4a881ce 2018-11-17 stsp }
1887 f4a881ce 2018-11-17 stsp while (remain > 0) {
1888 f4a881ce 2018-11-17 stsp struct imsg imsg_log;
1889 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1890 f4a881ce 2018-11-17 stsp remain);
1891 f4a881ce 2018-11-17 stsp
1892 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1893 f4a881ce 2018-11-17 stsp if (err)
1894 f4a881ce 2018-11-17 stsp return err;
1895 f4a881ce 2018-11-17 stsp
1896 f4a881ce 2018-11-17 stsp if (imsg_log.hdr.type != GOT_IMSG_TAG_TAGMSG)
1897 f4a881ce 2018-11-17 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
1898 f4a881ce 2018-11-17 stsp
1899 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagmsg + offset, imsg_log.data,
1900 f4a881ce 2018-11-17 stsp n);
1901 f4a881ce 2018-11-17 stsp imsg_free(&imsg_log);
1902 f4a881ce 2018-11-17 stsp offset += n;
1903 f4a881ce 2018-11-17 stsp remain -= n;
1904 f4a881ce 2018-11-17 stsp }
1905 f4a881ce 2018-11-17 stsp (*tag)->tagmsg[itag->tagmsg_len] = '\0';
1906 f4a881ce 2018-11-17 stsp }
1907 f4a881ce 2018-11-17 stsp
1908 ff6b18f8 2018-04-24 stsp break;
1909 ff6b18f8 2018-04-24 stsp default:
1910 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1911 ff6b18f8 2018-04-24 stsp break;
1912 e033d803 2018-04-23 stsp }
1913 e033d803 2018-04-23 stsp
1914 ff6b18f8 2018-04-24 stsp imsg_free(&imsg);
1915 ff6b18f8 2018-04-24 stsp
1916 2178c42e 2018-04-22 stsp return err;
1917 2178c42e 2018-04-22 stsp }
1918 876c234b 2018-09-10 stsp
1919 876c234b 2018-09-10 stsp const struct got_error *
1920 876c234b 2018-09-10 stsp got_privsep_init_pack_child(struct imsgbuf *ibuf, struct got_pack *pack,
1921 876c234b 2018-09-10 stsp struct got_packidx *packidx)
1922 876c234b 2018-09-10 stsp {
1923 41496140 2019-02-21 stsp const struct got_error *err = NULL;
1924 876c234b 2018-09-10 stsp struct got_imsg_packidx ipackidx;
1925 876c234b 2018-09-10 stsp struct got_imsg_pack ipack;
1926 876c234b 2018-09-10 stsp int fd;
1927 876c234b 2018-09-10 stsp
1928 031611fc 2022-06-18 op memset(&ipackidx, 0, sizeof(ipackidx));
1929 031611fc 2022-06-18 op memset(&ipack, 0, sizeof(ipack));
1930 031611fc 2022-06-18 op
1931 876c234b 2018-09-10 stsp ipackidx.len = packidx->len;
1932 c3564dfa 2021-07-15 stsp ipackidx.packfile_size = pack->filesize;
1933 876c234b 2018-09-10 stsp fd = dup(packidx->fd);
1934 876c234b 2018-09-10 stsp if (fd == -1)
1935 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1936 876c234b 2018-09-10 stsp
1937 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKIDX, 0, 0, fd, &ipackidx,
1938 41496140 2019-02-21 stsp sizeof(ipackidx)) == -1) {
1939 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACKIDX");
1940 41496140 2019-02-21 stsp close(fd);
1941 41496140 2019-02-21 stsp return err;
1942 41496140 2019-02-21 stsp }
1943 876c234b 2018-09-10 stsp
1944 876c234b 2018-09-10 stsp if (strlcpy(ipack.path_packfile, pack->path_packfile,
1945 876c234b 2018-09-10 stsp sizeof(ipack.path_packfile)) >= sizeof(ipack.path_packfile))
1946 876c234b 2018-09-10 stsp return got_error(GOT_ERR_NO_SPACE);
1947 876c234b 2018-09-10 stsp ipack.filesize = pack->filesize;
1948 876c234b 2018-09-10 stsp
1949 876c234b 2018-09-10 stsp fd = dup(pack->fd);
1950 876c234b 2018-09-10 stsp if (fd == -1)
1951 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1952 876c234b 2018-09-10 stsp
1953 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACK, 0, 0, fd, &ipack, sizeof(ipack))
1954 41496140 2019-02-21 stsp == -1) {
1955 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACK");
1956 41496140 2019-02-21 stsp close(fd);
1957 41496140 2019-02-21 stsp return err;
1958 41496140 2019-02-21 stsp }
1959 876c234b 2018-09-10 stsp
1960 876c234b 2018-09-10 stsp return flush_imsg(ibuf);
1961 876c234b 2018-09-10 stsp }
1962 876c234b 2018-09-10 stsp
1963 876c234b 2018-09-10 stsp const struct got_error *
1964 106807b4 2018-09-15 stsp got_privsep_send_packed_obj_req(struct imsgbuf *ibuf, int idx,
1965 106807b4 2018-09-15 stsp struct got_object_id *id)
1966 876c234b 2018-09-10 stsp {
1967 876c234b 2018-09-10 stsp struct got_imsg_packed_object iobj;
1968 876c234b 2018-09-10 stsp
1969 031611fc 2022-06-18 op memset(&iobj, 0, sizeof(iobj));
1970 876c234b 2018-09-10 stsp iobj.idx = idx;
1971 265df21f 2023-01-31 op memcpy(&iobj.id, id, sizeof(iobj.id));
1972 876c234b 2018-09-10 stsp
1973 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_OBJECT_REQUEST, 0, 0, -1,
1974 876c234b 2018-09-10 stsp &iobj, sizeof(iobj)) == -1)
1975 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose "
1976 230a42bd 2019-05-11 jcs "PACKED_OBJECT_REQUEST");
1977 aba9c984 2019-09-08 stsp
1978 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1979 aba9c984 2019-09-08 stsp }
1980 aba9c984 2019-09-08 stsp
1981 aba9c984 2019-09-08 stsp const struct got_error *
1982 59d1e4a0 2021-03-10 stsp got_privsep_send_packed_raw_obj_req(struct imsgbuf *ibuf, int idx,
1983 59d1e4a0 2021-03-10 stsp struct got_object_id *id)
1984 59d1e4a0 2021-03-10 stsp {
1985 59d1e4a0 2021-03-10 stsp struct got_imsg_packed_object iobj;
1986 59d1e4a0 2021-03-10 stsp
1987 031611fc 2022-06-18 op memset(&iobj, 0, sizeof(iobj));
1988 59d1e4a0 2021-03-10 stsp iobj.idx = idx;
1989 265df21f 2023-01-31 op memcpy(&iobj.id, id, sizeof(iobj.id));
1990 59d1e4a0 2021-03-10 stsp
1991 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_RAW_OBJECT_REQUEST, 0, 0, -1,
1992 59d1e4a0 2021-03-10 stsp &iobj, sizeof(iobj)) == -1)
1993 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose "
1994 59d1e4a0 2021-03-10 stsp "PACKED_OBJECT_REQUEST");
1995 59d1e4a0 2021-03-10 stsp
1996 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
1997 59d1e4a0 2021-03-10 stsp }
1998 59d1e4a0 2021-03-10 stsp
1999 59d1e4a0 2021-03-10 stsp const struct got_error *
2000 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_parse_req(struct imsgbuf *ibuf, int fd)
2001 aba9c984 2019-09-08 stsp {
2002 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2003 aba9c984 2019-09-08 stsp
2004 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_PARSE_REQUEST, 0, 0, fd,
2005 aba9c984 2019-09-08 stsp NULL, 0) == -1) {
2006 aba9c984 2019-09-08 stsp err = got_error_from_errno("imsg_compose "
2007 aba9c984 2019-09-08 stsp "GITCONFIG_PARSE_REQUEST");
2008 aba9c984 2019-09-08 stsp close(fd);
2009 aba9c984 2019-09-08 stsp return err;
2010 aba9c984 2019-09-08 stsp }
2011 aba9c984 2019-09-08 stsp
2012 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2013 aba9c984 2019-09-08 stsp }
2014 aba9c984 2019-09-08 stsp
2015 aba9c984 2019-09-08 stsp const struct got_error *
2016 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_repository_format_version_req(struct imsgbuf *ibuf)
2017 aba9c984 2019-09-08 stsp {
2018 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2019 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST, 0, 0, -1,
2020 aba9c984 2019-09-08 stsp NULL, 0) == -1)
2021 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2022 aba9c984 2019-09-08 stsp "GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST");
2023 aba9c984 2019-09-08 stsp
2024 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2025 aba9c984 2019-09-08 stsp }
2026 aba9c984 2019-09-08 stsp
2027 aba9c984 2019-09-08 stsp const struct got_error *
2028 20b7abb3 2020-10-22 stsp got_privsep_send_gitconfig_repository_extensions_req(struct imsgbuf *ibuf)
2029 20b7abb3 2020-10-22 stsp {
2030 20b7abb3 2020-10-22 stsp if (imsg_compose(ibuf,
2031 20b7abb3 2020-10-22 stsp GOT_IMSG_GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST, 0, 0, -1,
2032 20b7abb3 2020-10-22 stsp NULL, 0) == -1)
2033 20b7abb3 2020-10-22 stsp return got_error_from_errno("imsg_compose "
2034 20b7abb3 2020-10-22 stsp "GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST");
2035 20b7abb3 2020-10-22 stsp
2036 20b7abb3 2020-10-22 stsp return flush_imsg(ibuf);
2037 20b7abb3 2020-10-22 stsp }
2038 20b7abb3 2020-10-22 stsp
2039 20b7abb3 2020-10-22 stsp
2040 20b7abb3 2020-10-22 stsp const struct got_error *
2041 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_name_req(struct imsgbuf *ibuf)
2042 aba9c984 2019-09-08 stsp {
2043 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2044 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_NAME_REQUEST, 0, 0, -1, NULL, 0) == -1)
2045 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2046 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_NAME_REQUEST");
2047 aba9c984 2019-09-08 stsp
2048 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2049 aba9c984 2019-09-08 stsp }
2050 aba9c984 2019-09-08 stsp
2051 aba9c984 2019-09-08 stsp const struct got_error *
2052 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_email_req(struct imsgbuf *ibuf)
2053 aba9c984 2019-09-08 stsp {
2054 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2055 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_EMAIL_REQUEST, 0, 0, -1, NULL, 0) == -1)
2056 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2057 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_EMAIL_REQUEST");
2058 cd95becd 2019-11-29 stsp
2059 cd95becd 2019-11-29 stsp return flush_imsg(ibuf);
2060 cd95becd 2019-11-29 stsp }
2061 cd95becd 2019-11-29 stsp
2062 cd95becd 2019-11-29 stsp const struct got_error *
2063 cd95becd 2019-11-29 stsp got_privsep_send_gitconfig_remotes_req(struct imsgbuf *ibuf)
2064 cd95becd 2019-11-29 stsp {
2065 cd95becd 2019-11-29 stsp if (imsg_compose(ibuf,
2066 cd95becd 2019-11-29 stsp GOT_IMSG_GITCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2067 cd95becd 2019-11-29 stsp return got_error_from_errno("imsg_compose "
2068 cd95becd 2019-11-29 stsp "GITCONFIG_REMOTE_REQUEST");
2069 aba9c984 2019-09-08 stsp
2070 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2071 aba9c984 2019-09-08 stsp }
2072 aba9c984 2019-09-08 stsp
2073 aba9c984 2019-09-08 stsp const struct got_error *
2074 9a1cc63f 2020-02-03 stsp got_privsep_send_gitconfig_owner_req(struct imsgbuf *ibuf)
2075 9a1cc63f 2020-02-03 stsp {
2076 9a1cc63f 2020-02-03 stsp if (imsg_compose(ibuf,
2077 9a1cc63f 2020-02-03 stsp GOT_IMSG_GITCONFIG_OWNER_REQUEST, 0, 0, -1, NULL, 0) == -1)
2078 9a1cc63f 2020-02-03 stsp return got_error_from_errno("imsg_compose "
2079 9a1cc63f 2020-02-03 stsp "GITCONFIG_OWNER_REQUEST");
2080 9a1cc63f 2020-02-03 stsp
2081 9a1cc63f 2020-02-03 stsp return flush_imsg(ibuf);
2082 9a1cc63f 2020-02-03 stsp }
2083 9a1cc63f 2020-02-03 stsp
2084 9a1cc63f 2020-02-03 stsp const struct got_error *
2085 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_str(char **str, struct imsgbuf *ibuf)
2086 aba9c984 2019-09-08 stsp {
2087 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2088 aba9c984 2019-09-08 stsp struct imsg imsg;
2089 aba9c984 2019-09-08 stsp size_t datalen;
2090 aba9c984 2019-09-08 stsp
2091 aba9c984 2019-09-08 stsp *str = NULL;
2092 aba9c984 2019-09-08 stsp
2093 3e6054c4 2022-06-14 op err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2094 aba9c984 2019-09-08 stsp if (err)
2095 aba9c984 2019-09-08 stsp return err;
2096 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2097 aba9c984 2019-09-08 stsp
2098 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2099 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_STR_VAL:
2100 aba9c984 2019-09-08 stsp if (datalen == 0)
2101 aba9c984 2019-09-08 stsp break;
2102 00b3e9ae 2023-01-11 op *str = strndup(imsg.data, datalen);
2103 aba9c984 2019-09-08 stsp if (*str == NULL) {
2104 00b3e9ae 2023-01-11 op err = got_error_from_errno("strndup");
2105 aba9c984 2019-09-08 stsp break;
2106 aba9c984 2019-09-08 stsp }
2107 aba9c984 2019-09-08 stsp break;
2108 aba9c984 2019-09-08 stsp default:
2109 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2110 aba9c984 2019-09-08 stsp break;
2111 aba9c984 2019-09-08 stsp }
2112 876c234b 2018-09-10 stsp
2113 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2114 aba9c984 2019-09-08 stsp return err;
2115 aba9c984 2019-09-08 stsp }
2116 aba9c984 2019-09-08 stsp
2117 aba9c984 2019-09-08 stsp const struct got_error *
2118 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_int(int *val, struct imsgbuf *ibuf)
2119 aba9c984 2019-09-08 stsp {
2120 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2121 aba9c984 2019-09-08 stsp struct imsg imsg;
2122 aba9c984 2019-09-08 stsp size_t datalen;
2123 aba9c984 2019-09-08 stsp const size_t min_datalen =
2124 aba9c984 2019-09-08 stsp MIN(sizeof(struct got_imsg_error), sizeof(int));
2125 aba9c984 2019-09-08 stsp
2126 aba9c984 2019-09-08 stsp *val = 0;
2127 aba9c984 2019-09-08 stsp
2128 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2129 aba9c984 2019-09-08 stsp if (err)
2130 aba9c984 2019-09-08 stsp return err;
2131 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2132 aba9c984 2019-09-08 stsp
2133 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2134 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_INT_VAL:
2135 aba9c984 2019-09-08 stsp if (datalen != sizeof(*val)) {
2136 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2137 aba9c984 2019-09-08 stsp break;
2138 aba9c984 2019-09-08 stsp }
2139 aba9c984 2019-09-08 stsp memcpy(val, imsg.data, sizeof(*val));
2140 cd95becd 2019-11-29 stsp break;
2141 cd95becd 2019-11-29 stsp default:
2142 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2143 cd95becd 2019-11-29 stsp break;
2144 cd95becd 2019-11-29 stsp }
2145 cd95becd 2019-11-29 stsp
2146 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2147 cd95becd 2019-11-29 stsp return err;
2148 b8adfa55 2020-09-25 stsp }
2149 b8adfa55 2020-09-25 stsp
2150 b8adfa55 2020-09-25 stsp static void
2151 b8adfa55 2020-09-25 stsp free_remote_data(struct got_remote_repo *remote)
2152 b8adfa55 2020-09-25 stsp {
2153 b8adfa55 2020-09-25 stsp int i;
2154 b8adfa55 2020-09-25 stsp
2155 b8adfa55 2020-09-25 stsp free(remote->name);
2156 6480c871 2021-08-30 stsp free(remote->fetch_url);
2157 6480c871 2021-08-30 stsp free(remote->send_url);
2158 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_branches; i++)
2159 6480c871 2021-08-30 stsp free(remote->fetch_branches[i]);
2160 6480c871 2021-08-30 stsp free(remote->fetch_branches);
2161 6480c871 2021-08-30 stsp for (i = 0; i < remote->nsend_branches; i++)
2162 6480c871 2021-08-30 stsp free(remote->send_branches[i]);
2163 6480c871 2021-08-30 stsp free(remote->send_branches);
2164 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_refs; i++)
2165 6480c871 2021-08-30 stsp free(remote->fetch_refs[i]);
2166 6480c871 2021-08-30 stsp free(remote->fetch_refs);
2167 cd95becd 2019-11-29 stsp }
2168 cd95becd 2019-11-29 stsp
2169 cd95becd 2019-11-29 stsp const struct got_error *
2170 cd95becd 2019-11-29 stsp got_privsep_recv_gitconfig_remotes(struct got_remote_repo **remotes,
2171 cd95becd 2019-11-29 stsp int *nremotes, struct imsgbuf *ibuf)
2172 cd95becd 2019-11-29 stsp {
2173 cd95becd 2019-11-29 stsp const struct got_error *err = NULL;
2174 cd95becd 2019-11-29 stsp struct imsg imsg;
2175 cd95becd 2019-11-29 stsp size_t datalen;
2176 cd95becd 2019-11-29 stsp struct got_imsg_remotes iremotes;
2177 cd95becd 2019-11-29 stsp struct got_imsg_remote iremote;
2178 cd95becd 2019-11-29 stsp
2179 cd95becd 2019-11-29 stsp *remotes = NULL;
2180 cd95becd 2019-11-29 stsp *nremotes = 0;
2181 d669b9c9 2020-02-22 stsp iremotes.nremotes = 0;
2182 cd95becd 2019-11-29 stsp
2183 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremotes));
2184 cd95becd 2019-11-29 stsp if (err)
2185 cd95becd 2019-11-29 stsp return err;
2186 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2187 cd95becd 2019-11-29 stsp
2188 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2189 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTES:
2190 cd95becd 2019-11-29 stsp if (datalen != sizeof(iremotes)) {
2191 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2192 cd95becd 2019-11-29 stsp break;
2193 cd95becd 2019-11-29 stsp }
2194 cd95becd 2019-11-29 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2195 cd95becd 2019-11-29 stsp if (iremotes.nremotes == 0) {
2196 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2197 cd95becd 2019-11-29 stsp return NULL;
2198 cd95becd 2019-11-29 stsp }
2199 aba9c984 2019-09-08 stsp break;
2200 aba9c984 2019-09-08 stsp default:
2201 54b1c5b5 2020-02-22 stsp imsg_free(&imsg);
2202 54b1c5b5 2020-02-22 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2203 aba9c984 2019-09-08 stsp }
2204 aba9c984 2019-09-08 stsp
2205 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2206 cd95becd 2019-11-29 stsp
2207 5146eb39 2020-03-20 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2208 cd95becd 2019-11-29 stsp if (*remotes == NULL)
2209 cd95becd 2019-11-29 stsp return got_error_from_errno("recallocarray");
2210 cd95becd 2019-11-29 stsp
2211 cd95becd 2019-11-29 stsp while (*nremotes < iremotes.nremotes) {
2212 cd95becd 2019-11-29 stsp struct got_remote_repo *remote;
2213 3168e5da 2020-09-10 stsp
2214 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremote));
2215 cd95becd 2019-11-29 stsp if (err)
2216 cd95becd 2019-11-29 stsp break;
2217 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2218 cd95becd 2019-11-29 stsp
2219 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2220 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTE:
2221 cd95becd 2019-11-29 stsp remote = &(*remotes)[*nremotes];
2222 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2223 cd95becd 2019-11-29 stsp if (datalen < sizeof(iremote)) {
2224 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2225 cd95becd 2019-11-29 stsp break;
2226 cd95becd 2019-11-29 stsp }
2227 cd95becd 2019-11-29 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2228 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2229 6480c871 2021-08-30 stsp iremote.fetch_url_len == 0 ||
2230 6480c871 2021-08-30 stsp iremote.send_url_len == 0 ||
2231 cd95becd 2019-11-29 stsp (sizeof(iremote) + iremote.name_len +
2232 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) > datalen) {
2233 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2234 cd95becd 2019-11-29 stsp break;
2235 cd95becd 2019-11-29 stsp }
2236 cd95becd 2019-11-29 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2237 cd95becd 2019-11-29 stsp iremote.name_len);
2238 cd95becd 2019-11-29 stsp if (remote->name == NULL) {
2239 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2240 cd95becd 2019-11-29 stsp break;
2241 cd95becd 2019-11-29 stsp }
2242 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data + sizeof(iremote) +
2243 6480c871 2021-08-30 stsp iremote.name_len, iremote.fetch_url_len);
2244 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2245 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2246 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2247 cd95becd 2019-11-29 stsp break;
2248 cd95becd 2019-11-29 stsp }
2249 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data + sizeof(iremote) +
2250 6480c871 2021-08-30 stsp iremote.name_len + iremote.fetch_url_len,
2251 6480c871 2021-08-30 stsp iremote.send_url_len);
2252 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2253 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2254 6480c871 2021-08-30 stsp free_remote_data(remote);
2255 6480c871 2021-08-30 stsp break;
2256 6480c871 2021-08-30 stsp }
2257 469dd726 2020-03-20 stsp remote->mirror_references = iremote.mirror_references;
2258 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2259 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2260 6480c871 2021-08-30 stsp remote->fetch_branches = NULL;
2261 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2262 6480c871 2021-08-30 stsp remote->send_branches = NULL;
2263 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2264 6480c871 2021-08-30 stsp remote->fetch_refs = NULL;
2265 cd95becd 2019-11-29 stsp (*nremotes)++;
2266 cd95becd 2019-11-29 stsp break;
2267 cd95becd 2019-11-29 stsp default:
2268 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2269 cd95becd 2019-11-29 stsp break;
2270 cd95becd 2019-11-29 stsp }
2271 cd95becd 2019-11-29 stsp
2272 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2273 cd95becd 2019-11-29 stsp if (err)
2274 cd95becd 2019-11-29 stsp break;
2275 cd95becd 2019-11-29 stsp }
2276 cd95becd 2019-11-29 stsp
2277 cd95becd 2019-11-29 stsp if (err) {
2278 cd95becd 2019-11-29 stsp int i;
2279 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2280 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2281 cd95becd 2019-11-29 stsp free(*remotes);
2282 cd95becd 2019-11-29 stsp *remotes = NULL;
2283 cd95becd 2019-11-29 stsp *nremotes = 0;
2284 cd95becd 2019-11-29 stsp }
2285 aba9c984 2019-09-08 stsp return err;
2286 257add31 2020-09-09 stsp }
2287 257add31 2020-09-09 stsp
2288 257add31 2020-09-09 stsp const struct got_error *
2289 257add31 2020-09-09 stsp got_privsep_send_gotconfig_parse_req(struct imsgbuf *ibuf, int fd)
2290 257add31 2020-09-09 stsp {
2291 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2292 257add31 2020-09-09 stsp
2293 257add31 2020-09-09 stsp if (imsg_compose(ibuf, GOT_IMSG_GOTCONFIG_PARSE_REQUEST, 0, 0, fd,
2294 257add31 2020-09-09 stsp NULL, 0) == -1) {
2295 257add31 2020-09-09 stsp err = got_error_from_errno("imsg_compose "
2296 257add31 2020-09-09 stsp "GOTCONFIG_PARSE_REQUEST");
2297 257add31 2020-09-09 stsp close(fd);
2298 257add31 2020-09-09 stsp return err;
2299 257add31 2020-09-09 stsp }
2300 257add31 2020-09-09 stsp
2301 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2302 257add31 2020-09-09 stsp }
2303 257add31 2020-09-09 stsp
2304 257add31 2020-09-09 stsp const struct got_error *
2305 257add31 2020-09-09 stsp got_privsep_send_gotconfig_author_req(struct imsgbuf *ibuf)
2306 257add31 2020-09-09 stsp {
2307 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2308 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_AUTHOR_REQUEST, 0, 0, -1, NULL, 0) == -1)
2309 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2310 257add31 2020-09-09 stsp "GOTCONFIG_AUTHOR_REQUEST");
2311 4d5ee956 2022-07-02 jrick
2312 4d5ee956 2022-07-02 jrick return flush_imsg(ibuf);
2313 4d5ee956 2022-07-02 jrick }
2314 4d5ee956 2022-07-02 jrick
2315 4d5ee956 2022-07-02 jrick const struct got_error *
2316 4d5ee956 2022-07-02 jrick got_privsep_send_gotconfig_allowed_signers_req(struct imsgbuf *ibuf)
2317 4d5ee956 2022-07-02 jrick {
2318 4d5ee956 2022-07-02 jrick if (imsg_compose(ibuf,
2319 4d5ee956 2022-07-02 jrick GOT_IMSG_GOTCONFIG_ALLOWEDSIGNERS_REQUEST, 0, 0, -1, NULL, 0) == -1)
2320 4d5ee956 2022-07-02 jrick return got_error_from_errno("imsg_compose "
2321 4d5ee956 2022-07-02 jrick "GOTCONFIG_ALLOWEDSIGNERS_REQUEST");
2322 4d5ee956 2022-07-02 jrick
2323 4d5ee956 2022-07-02 jrick return flush_imsg(ibuf);
2324 4d5ee956 2022-07-02 jrick }
2325 4d5ee956 2022-07-02 jrick
2326 4d5ee956 2022-07-02 jrick const struct got_error *
2327 4d5ee956 2022-07-02 jrick got_privsep_send_gotconfig_revoked_signers_req(struct imsgbuf *ibuf)
2328 4d5ee956 2022-07-02 jrick {
2329 4d5ee956 2022-07-02 jrick if (imsg_compose(ibuf,
2330 4d5ee956 2022-07-02 jrick GOT_IMSG_GOTCONFIG_REVOKEDSIGNERS_REQUEST, 0, 0, -1, NULL, 0) == -1)
2331 4d5ee956 2022-07-02 jrick return got_error_from_errno("imsg_compose "
2332 4d5ee956 2022-07-02 jrick "GOTCONFIG_REVOKEDSIGNERS_REQUEST");
2333 257add31 2020-09-09 stsp
2334 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2335 ca6e02ac 2020-01-07 stsp }
2336 ca6e02ac 2020-01-07 stsp
2337 ca6e02ac 2020-01-07 stsp const struct got_error *
2338 d68f2c0e 2022-07-05 jrick got_privsep_send_gotconfig_signer_id_req(struct imsgbuf *ibuf)
2339 d68f2c0e 2022-07-05 jrick {
2340 d68f2c0e 2022-07-05 jrick if (imsg_compose(ibuf,
2341 d68f2c0e 2022-07-05 jrick GOT_IMSG_GOTCONFIG_SIGNERID_REQUEST, 0, 0, -1, NULL, 0) == -1)
2342 d68f2c0e 2022-07-05 jrick return got_error_from_errno("imsg_compose "
2343 d68f2c0e 2022-07-05 jrick "GOTCONFIG_SIGNERID_REQUEST");
2344 d68f2c0e 2022-07-05 jrick
2345 d68f2c0e 2022-07-05 jrick return flush_imsg(ibuf);
2346 d68f2c0e 2022-07-05 jrick }
2347 d68f2c0e 2022-07-05 jrick
2348 d68f2c0e 2022-07-05 jrick const struct got_error *
2349 257add31 2020-09-09 stsp got_privsep_send_gotconfig_remotes_req(struct imsgbuf *ibuf)
2350 257add31 2020-09-09 stsp {
2351 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2352 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2353 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2354 257add31 2020-09-09 stsp "GOTCONFIG_REMOTE_REQUEST");
2355 257add31 2020-09-09 stsp
2356 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2357 257add31 2020-09-09 stsp }
2358 257add31 2020-09-09 stsp
2359 257add31 2020-09-09 stsp const struct got_error *
2360 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_str(char **str, struct imsgbuf *ibuf)
2361 257add31 2020-09-09 stsp {
2362 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2363 257add31 2020-09-09 stsp struct imsg imsg;
2364 257add31 2020-09-09 stsp size_t datalen;
2365 257add31 2020-09-09 stsp
2366 257add31 2020-09-09 stsp *str = NULL;
2367 257add31 2020-09-09 stsp
2368 3e6054c4 2022-06-14 op err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2369 257add31 2020-09-09 stsp if (err)
2370 257add31 2020-09-09 stsp return err;
2371 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2372 257add31 2020-09-09 stsp
2373 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2374 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_STR_VAL:
2375 257add31 2020-09-09 stsp if (datalen == 0)
2376 257add31 2020-09-09 stsp break;
2377 00b3e9ae 2023-01-11 op *str = strndup(imsg.data, datalen);
2378 257add31 2020-09-09 stsp if (*str == NULL) {
2379 00b3e9ae 2023-01-11 op err = got_error_from_errno("strndup");
2380 257add31 2020-09-09 stsp break;
2381 257add31 2020-09-09 stsp }
2382 257add31 2020-09-09 stsp break;
2383 257add31 2020-09-09 stsp default:
2384 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2385 257add31 2020-09-09 stsp break;
2386 257add31 2020-09-09 stsp }
2387 257add31 2020-09-09 stsp
2388 257add31 2020-09-09 stsp imsg_free(&imsg);
2389 257add31 2020-09-09 stsp return err;
2390 257add31 2020-09-09 stsp }
2391 257add31 2020-09-09 stsp
2392 257add31 2020-09-09 stsp const struct got_error *
2393 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_remotes(struct got_remote_repo **remotes,
2394 257add31 2020-09-09 stsp int *nremotes, struct imsgbuf *ibuf)
2395 257add31 2020-09-09 stsp {
2396 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2397 257add31 2020-09-09 stsp struct imsg imsg;
2398 257add31 2020-09-09 stsp size_t datalen;
2399 257add31 2020-09-09 stsp struct got_imsg_remotes iremotes;
2400 257add31 2020-09-09 stsp struct got_imsg_remote iremote;
2401 257add31 2020-09-09 stsp const size_t min_datalen =
2402 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremotes));
2403 257add31 2020-09-09 stsp
2404 257add31 2020-09-09 stsp *remotes = NULL;
2405 257add31 2020-09-09 stsp *nremotes = 0;
2406 257add31 2020-09-09 stsp iremotes.nremotes = 0;
2407 257add31 2020-09-09 stsp
2408 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2409 257add31 2020-09-09 stsp if (err)
2410 257add31 2020-09-09 stsp return err;
2411 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2412 257add31 2020-09-09 stsp
2413 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2414 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTES:
2415 257add31 2020-09-09 stsp if (datalen != sizeof(iremotes)) {
2416 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2417 257add31 2020-09-09 stsp break;
2418 257add31 2020-09-09 stsp }
2419 257add31 2020-09-09 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2420 c98b0f0b 2022-06-14 op if (iremotes.nremotes < 0) {
2421 c98b0f0b 2022-06-14 op err = got_error(GOT_ERR_PRIVSEP_LEN);
2422 c98b0f0b 2022-06-14 op break;
2423 c98b0f0b 2022-06-14 op }
2424 257add31 2020-09-09 stsp if (iremotes.nremotes == 0) {
2425 257add31 2020-09-09 stsp imsg_free(&imsg);
2426 257add31 2020-09-09 stsp return NULL;
2427 257add31 2020-09-09 stsp }
2428 257add31 2020-09-09 stsp break;
2429 257add31 2020-09-09 stsp default:
2430 257add31 2020-09-09 stsp imsg_free(&imsg);
2431 257add31 2020-09-09 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2432 257add31 2020-09-09 stsp }
2433 257add31 2020-09-09 stsp
2434 257add31 2020-09-09 stsp imsg_free(&imsg);
2435 257add31 2020-09-09 stsp
2436 257add31 2020-09-09 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2437 257add31 2020-09-09 stsp if (*remotes == NULL)
2438 257add31 2020-09-09 stsp return got_error_from_errno("recallocarray");
2439 257add31 2020-09-09 stsp
2440 257add31 2020-09-09 stsp while (*nremotes < iremotes.nremotes) {
2441 257add31 2020-09-09 stsp struct got_remote_repo *remote;
2442 257add31 2020-09-09 stsp const size_t min_datalen =
2443 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremote));
2444 b8adfa55 2020-09-25 stsp int i;
2445 257add31 2020-09-09 stsp
2446 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2447 257add31 2020-09-09 stsp if (err)
2448 257add31 2020-09-09 stsp break;
2449 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2450 257add31 2020-09-09 stsp
2451 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2452 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTE:
2453 257add31 2020-09-09 stsp remote = &(*remotes)[*nremotes];
2454 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2455 257add31 2020-09-09 stsp if (datalen < sizeof(iremote)) {
2456 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2457 257add31 2020-09-09 stsp break;
2458 257add31 2020-09-09 stsp }
2459 257add31 2020-09-09 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2460 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2461 6480c871 2021-08-30 stsp (iremote.fetch_url_len == 0 &&
2462 6480c871 2021-08-30 stsp iremote.send_url_len == 0) ||
2463 257add31 2020-09-09 stsp (sizeof(iremote) + iremote.name_len +
2464 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) >
2465 6480c871 2021-08-30 stsp datalen) {
2466 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2467 257add31 2020-09-09 stsp break;
2468 257add31 2020-09-09 stsp }
2469 257add31 2020-09-09 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2470 257add31 2020-09-09 stsp iremote.name_len);
2471 257add31 2020-09-09 stsp if (remote->name == NULL) {
2472 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2473 257add31 2020-09-09 stsp break;
2474 257add31 2020-09-09 stsp }
2475 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data +
2476 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len,
2477 6480c871 2021-08-30 stsp iremote.fetch_url_len);
2478 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2479 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2480 6480c871 2021-08-30 stsp free_remote_data(remote);
2481 6480c871 2021-08-30 stsp break;
2482 6480c871 2021-08-30 stsp }
2483 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data +
2484 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len +
2485 6480c871 2021-08-30 stsp iremote.fetch_url_len, iremote.send_url_len);
2486 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2487 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2488 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2489 257add31 2020-09-09 stsp break;
2490 257add31 2020-09-09 stsp }
2491 257add31 2020-09-09 stsp remote->mirror_references = iremote.mirror_references;
2492 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2493 6480c871 2021-08-30 stsp if (iremote.nfetch_branches > 0) {
2494 6480c871 2021-08-30 stsp remote->fetch_branches = recallocarray(NULL, 0,
2495 6480c871 2021-08-30 stsp iremote.nfetch_branches, sizeof(char *));
2496 6480c871 2021-08-30 stsp if (remote->fetch_branches == NULL) {
2497 b8adfa55 2020-09-25 stsp err = got_error_from_errno("calloc");
2498 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2499 b8adfa55 2020-09-25 stsp break;
2500 b8adfa55 2020-09-25 stsp }
2501 b8adfa55 2020-09-25 stsp }
2502 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2503 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_branches; i++) {
2504 b8adfa55 2020-09-25 stsp char *branch;
2505 b8adfa55 2020-09-25 stsp err = got_privsep_recv_gotconfig_str(&branch,
2506 b8adfa55 2020-09-25 stsp ibuf);
2507 b8adfa55 2020-09-25 stsp if (err) {
2508 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2509 b8adfa55 2020-09-25 stsp goto done;
2510 b8adfa55 2020-09-25 stsp }
2511 6480c871 2021-08-30 stsp remote->fetch_branches[i] = branch;
2512 6480c871 2021-08-30 stsp remote->nfetch_branches++;
2513 99495ddb 2021-01-10 stsp }
2514 6480c871 2021-08-30 stsp if (iremote.nsend_branches > 0) {
2515 6480c871 2021-08-30 stsp remote->send_branches = recallocarray(NULL, 0,
2516 6480c871 2021-08-30 stsp iremote.nsend_branches, sizeof(char *));
2517 6480c871 2021-08-30 stsp if (remote->send_branches == NULL) {
2518 99495ddb 2021-01-10 stsp err = got_error_from_errno("calloc");
2519 99495ddb 2021-01-10 stsp free_remote_data(remote);
2520 99495ddb 2021-01-10 stsp break;
2521 99495ddb 2021-01-10 stsp }
2522 b8adfa55 2020-09-25 stsp }
2523 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2524 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nsend_branches; i++) {
2525 6480c871 2021-08-30 stsp char *branch;
2526 6480c871 2021-08-30 stsp err = got_privsep_recv_gotconfig_str(&branch,
2527 6480c871 2021-08-30 stsp ibuf);
2528 6480c871 2021-08-30 stsp if (err) {
2529 6480c871 2021-08-30 stsp free_remote_data(remote);
2530 6480c871 2021-08-30 stsp goto done;
2531 6480c871 2021-08-30 stsp }
2532 6480c871 2021-08-30 stsp remote->send_branches[i] = branch;
2533 6480c871 2021-08-30 stsp remote->nsend_branches++;
2534 6480c871 2021-08-30 stsp }
2535 6480c871 2021-08-30 stsp if (iremote.nfetch_refs > 0) {
2536 6480c871 2021-08-30 stsp remote->fetch_refs = recallocarray(NULL, 0,
2537 6480c871 2021-08-30 stsp iremote.nfetch_refs, sizeof(char *));
2538 6480c871 2021-08-30 stsp if (remote->fetch_refs == NULL) {
2539 6480c871 2021-08-30 stsp err = got_error_from_errno("calloc");
2540 6480c871 2021-08-30 stsp free_remote_data(remote);
2541 6480c871 2021-08-30 stsp break;
2542 6480c871 2021-08-30 stsp }
2543 6480c871 2021-08-30 stsp }
2544 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2545 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_refs; i++) {
2546 99495ddb 2021-01-10 stsp char *ref;
2547 99495ddb 2021-01-10 stsp err = got_privsep_recv_gotconfig_str(&ref,
2548 99495ddb 2021-01-10 stsp ibuf);
2549 99495ddb 2021-01-10 stsp if (err) {
2550 99495ddb 2021-01-10 stsp free_remote_data(remote);
2551 99495ddb 2021-01-10 stsp goto done;
2552 99495ddb 2021-01-10 stsp }
2553 6480c871 2021-08-30 stsp remote->fetch_refs[i] = ref;
2554 6480c871 2021-08-30 stsp remote->nfetch_refs++;
2555 99495ddb 2021-01-10 stsp }
2556 257add31 2020-09-09 stsp (*nremotes)++;
2557 257add31 2020-09-09 stsp break;
2558 257add31 2020-09-09 stsp default:
2559 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2560 257add31 2020-09-09 stsp break;
2561 257add31 2020-09-09 stsp }
2562 257add31 2020-09-09 stsp
2563 257add31 2020-09-09 stsp imsg_free(&imsg);
2564 257add31 2020-09-09 stsp if (err)
2565 257add31 2020-09-09 stsp break;
2566 257add31 2020-09-09 stsp }
2567 b8adfa55 2020-09-25 stsp done:
2568 257add31 2020-09-09 stsp if (err) {
2569 257add31 2020-09-09 stsp int i;
2570 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2571 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2572 257add31 2020-09-09 stsp free(*remotes);
2573 257add31 2020-09-09 stsp *remotes = NULL;
2574 257add31 2020-09-09 stsp *nremotes = 0;
2575 257add31 2020-09-09 stsp }
2576 257add31 2020-09-09 stsp return err;
2577 257add31 2020-09-09 stsp }
2578 257add31 2020-09-09 stsp
2579 257add31 2020-09-09 stsp const struct got_error *
2580 ca6e02ac 2020-01-07 stsp got_privsep_send_commit_traversal_request(struct imsgbuf *ibuf,
2581 abc59930 2021-09-05 naddy struct got_object_id *id, int idx, const char *path)
2582 ca6e02ac 2020-01-07 stsp {
2583 ca6e02ac 2020-01-07 stsp struct ibuf *wbuf;
2584 ca6e02ac 2020-01-07 stsp size_t path_len = strlen(path) + 1;
2585 ca6e02ac 2020-01-07 stsp
2586 ca6e02ac 2020-01-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_COMMIT_TRAVERSAL_REQUEST, 0, 0,
2587 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_traversal_request) + path_len);
2588 ca6e02ac 2020-01-07 stsp if (wbuf == NULL)
2589 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
2590 ca6e02ac 2020-01-07 stsp "imsg_create COMMIT_TRAVERSAL_REQUEST");
2591 3093e2d7 2023-02-04 op if (imsg_add(wbuf, id->hash, SHA1_DIGEST_LENGTH) == -1)
2592 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add "
2593 1453347d 2022-05-19 stsp "COMMIT_TRAVERSAL_REQUEST");
2594 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &idx, sizeof(idx)) == -1)
2595 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add "
2596 1453347d 2022-05-19 stsp "COMMIT_TRAVERSAL_REQUEST");
2597 1453347d 2022-05-19 stsp if (imsg_add(wbuf, path, path_len) == -1)
2598 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add "
2599 1453347d 2022-05-19 stsp "COMMIT_TRAVERSAL_REQUEST");
2600 ca6e02ac 2020-01-07 stsp
2601 ca6e02ac 2020-01-07 stsp wbuf->fd = -1;
2602 ca6e02ac 2020-01-07 stsp imsg_close(ibuf, wbuf);
2603 ca6e02ac 2020-01-07 stsp
2604 ca6e02ac 2020-01-07 stsp return flush_imsg(ibuf);
2605 ca6e02ac 2020-01-07 stsp }
2606 ca6e02ac 2020-01-07 stsp
2607 ca6e02ac 2020-01-07 stsp const struct got_error *
2608 ca6e02ac 2020-01-07 stsp got_privsep_recv_traversed_commits(struct got_commit_object **changed_commit,
2609 ca6e02ac 2020-01-07 stsp struct got_object_id **changed_commit_id,
2610 ca6e02ac 2020-01-07 stsp struct got_object_id_queue *commit_ids, struct imsgbuf *ibuf)
2611 ca6e02ac 2020-01-07 stsp {
2612 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
2613 ca6e02ac 2020-01-07 stsp struct imsg imsg;
2614 ca6e02ac 2020-01-07 stsp struct got_imsg_traversed_commits *icommits;
2615 ca6e02ac 2020-01-07 stsp size_t datalen;
2616 ca6e02ac 2020-01-07 stsp int i, done = 0;
2617 ca6e02ac 2020-01-07 stsp
2618 ca6e02ac 2020-01-07 stsp *changed_commit = NULL;
2619 ca6e02ac 2020-01-07 stsp *changed_commit_id = NULL;
2620 ca6e02ac 2020-01-07 stsp
2621 ca6e02ac 2020-01-07 stsp while (!done) {
2622 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2623 ca6e02ac 2020-01-07 stsp if (err)
2624 ca6e02ac 2020-01-07 stsp return err;
2625 ca6e02ac 2020-01-07 stsp
2626 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2627 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
2628 ca6e02ac 2020-01-07 stsp case GOT_IMSG_TRAVERSED_COMMITS:
2629 ca6e02ac 2020-01-07 stsp icommits = imsg.data;
2630 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommits) +
2631 ca6e02ac 2020-01-07 stsp icommits->ncommits * SHA1_DIGEST_LENGTH) {
2632 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2633 ca6e02ac 2020-01-07 stsp break;
2634 ca6e02ac 2020-01-07 stsp }
2635 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommits->ncommits; i++) {
2636 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
2637 3093e2d7 2023-02-04 op uint8_t *hash = (uint8_t *)imsg.data +
2638 ca6e02ac 2020-01-07 stsp sizeof(*icommits) + i * SHA1_DIGEST_LENGTH;
2639 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
2640 ca6e02ac 2020-01-07 stsp if (err)
2641 ca6e02ac 2020-01-07 stsp break;
2642 3093e2d7 2023-02-04 op memcpy(qid->id.hash, hash, SHA1_DIGEST_LENGTH);
2643 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(commit_ids, qid, entry);
2644 ca6e02ac 2020-01-07 stsp
2645 ca6e02ac 2020-01-07 stsp /* The last commit may contain a change. */
2646 ca6e02ac 2020-01-07 stsp if (i == icommits->ncommits - 1) {
2647 ca6e02ac 2020-01-07 stsp *changed_commit_id =
2648 d7b5a0e8 2022-04-20 stsp got_object_id_dup(&qid->id);
2649 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2650 ca6e02ac 2020-01-07 stsp err = got_error_from_errno(
2651 ca6e02ac 2020-01-07 stsp "got_object_id_dup");
2652 ca6e02ac 2020-01-07 stsp break;
2653 ca6e02ac 2020-01-07 stsp }
2654 ca6e02ac 2020-01-07 stsp }
2655 ca6e02ac 2020-01-07 stsp }
2656 ca6e02ac 2020-01-07 stsp break;
2657 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
2658 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2659 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2660 ca6e02ac 2020-01-07 stsp break;
2661 ca6e02ac 2020-01-07 stsp }
2662 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(changed_commit, &imsg,
2663 ca6e02ac 2020-01-07 stsp datalen, ibuf);
2664 ca6e02ac 2020-01-07 stsp break;
2665 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT_TRAVERSAL_DONE:
2666 ca6e02ac 2020-01-07 stsp done = 1;
2667 ca6e02ac 2020-01-07 stsp break;
2668 ca6e02ac 2020-01-07 stsp default:
2669 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2670 ca6e02ac 2020-01-07 stsp break;
2671 ca6e02ac 2020-01-07 stsp }
2672 ca6e02ac 2020-01-07 stsp
2673 ca6e02ac 2020-01-07 stsp imsg_free(&imsg);
2674 ca6e02ac 2020-01-07 stsp if (err)
2675 ca6e02ac 2020-01-07 stsp break;
2676 ca6e02ac 2020-01-07 stsp }
2677 ca6e02ac 2020-01-07 stsp
2678 ca6e02ac 2020-01-07 stsp if (err)
2679 ca6e02ac 2020-01-07 stsp got_object_id_queue_free(commit_ids);
2680 ca6e02ac 2020-01-07 stsp return err;
2681 0ab4c957 2022-06-13 stsp }
2682 0ab4c957 2022-06-13 stsp
2683 0ab4c957 2022-06-13 stsp const struct got_error *
2684 0ab4c957 2022-06-13 stsp got_privsep_send_enumerated_tree(size_t *totlen, struct imsgbuf *ibuf,
2685 0ab4c957 2022-06-13 stsp struct got_object_id *tree_id, const char *path,
2686 0ab4c957 2022-06-13 stsp struct got_parsed_tree_entry *entries, int nentries)
2687 0ab4c957 2022-06-13 stsp {
2688 0ab4c957 2022-06-13 stsp const struct got_error *err = NULL;
2689 0ab4c957 2022-06-13 stsp struct ibuf *wbuf;
2690 0ab4c957 2022-06-13 stsp size_t path_len = strlen(path);
2691 0ab4c957 2022-06-13 stsp size_t msglen;
2692 0ab4c957 2022-06-13 stsp
2693 0ab4c957 2022-06-13 stsp msglen = sizeof(struct got_imsg_enumerated_tree) + path_len;
2694 0ab4c957 2022-06-13 stsp wbuf = imsg_create(ibuf, GOT_IMSG_ENUMERATED_TREE, 0, 0, msglen);
2695 0ab4c957 2022-06-13 stsp if (wbuf == NULL)
2696 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_create ENUMERATED_TREE");
2697 0ab4c957 2022-06-13 stsp
2698 3093e2d7 2023-02-04 op if (imsg_add(wbuf, tree_id->hash, SHA1_DIGEST_LENGTH) == -1)
2699 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_add ENUMERATED_TREE");
2700 0ab4c957 2022-06-13 stsp if (imsg_add(wbuf, &nentries, sizeof(nentries)) == -1)
2701 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_add ENUMERATED_TREE");
2702 0ab4c957 2022-06-13 stsp if (imsg_add(wbuf, path, path_len) == -1)
2703 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_add ENUMERATED_TREE");
2704 0ab4c957 2022-06-13 stsp
2705 0ab4c957 2022-06-13 stsp wbuf->fd = -1;
2706 0ab4c957 2022-06-13 stsp imsg_close(ibuf, wbuf);
2707 0ab4c957 2022-06-13 stsp
2708 0ab4c957 2022-06-13 stsp if (entries) {
2709 0ab4c957 2022-06-13 stsp err = send_tree_entries(ibuf, entries, nentries);
2710 0ab4c957 2022-06-13 stsp if (err)
2711 0ab4c957 2022-06-13 stsp return err;
2712 0ab4c957 2022-06-13 stsp }
2713 0ab4c957 2022-06-13 stsp
2714 0ab4c957 2022-06-13 stsp return flush_imsg(ibuf);
2715 67fd6849 2022-02-13 stsp }
2716 67fd6849 2022-02-13 stsp
2717 67fd6849 2022-02-13 stsp const struct got_error *
2718 0ab4c957 2022-06-13 stsp got_privsep_send_object_enumeration_request(struct imsgbuf *ibuf)
2719 0ab4c957 2022-06-13 stsp {
2720 0ab4c957 2022-06-13 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_REQUEST,
2721 0ab4c957 2022-06-13 stsp 0, 0, -1, NULL, 0) == -1)
2722 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_compose "
2723 0ab4c957 2022-06-13 stsp "OBJECT_ENUMERATION_REQUEST");
2724 0ab4c957 2022-06-13 stsp
2725 0ab4c957 2022-06-13 stsp return flush_imsg(ibuf);
2726 0ab4c957 2022-06-13 stsp }
2727 0ab4c957 2022-06-13 stsp
2728 0ab4c957 2022-06-13 stsp const struct got_error *
2729 0ab4c957 2022-06-13 stsp got_privsep_send_object_enumeration_done(struct imsgbuf *ibuf)
2730 0ab4c957 2022-06-13 stsp {
2731 0ab4c957 2022-06-13 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_DONE,
2732 0ab4c957 2022-06-13 stsp 0, 0, -1, NULL, 0) == -1)
2733 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_compose "
2734 0ab4c957 2022-06-13 stsp "OBJECT_ENUMERATION_DONE");
2735 0ab4c957 2022-06-13 stsp
2736 0ab4c957 2022-06-13 stsp return flush_imsg(ibuf);
2737 0ab4c957 2022-06-13 stsp }
2738 0ab4c957 2022-06-13 stsp
2739 0ab4c957 2022-06-13 stsp const struct got_error *
2740 db9b9b1c 2022-06-14 stsp got_privsep_send_object_enumeration_incomplete(struct imsgbuf *ibuf)
2741 db9b9b1c 2022-06-14 stsp {
2742 db9b9b1c 2022-06-14 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_INCOMPLETE,
2743 db9b9b1c 2022-06-14 stsp 0, 0, -1, NULL, 0) == -1)
2744 db9b9b1c 2022-06-14 stsp return got_error_from_errno("imsg_compose "
2745 db9b9b1c 2022-06-14 stsp "OBJECT_ENUMERATION_INCOMPLETE");
2746 db9b9b1c 2022-06-14 stsp
2747 db9b9b1c 2022-06-14 stsp return flush_imsg(ibuf);
2748 db9b9b1c 2022-06-14 stsp }
2749 db9b9b1c 2022-06-14 stsp
2750 db9b9b1c 2022-06-14 stsp const struct got_error *
2751 0ab4c957 2022-06-13 stsp got_privsep_send_enumerated_commit(struct imsgbuf *ibuf,
2752 0ab4c957 2022-06-13 stsp struct got_object_id *id, time_t mtime)
2753 0ab4c957 2022-06-13 stsp {
2754 0ab4c957 2022-06-13 stsp struct ibuf *wbuf;
2755 0ab4c957 2022-06-13 stsp
2756 0ab4c957 2022-06-13 stsp wbuf = imsg_create(ibuf, GOT_IMSG_ENUMERATED_COMMIT, 0, 0,
2757 0ab4c957 2022-06-13 stsp sizeof(struct got_imsg_enumerated_commit) + SHA1_DIGEST_LENGTH);
2758 0ab4c957 2022-06-13 stsp if (wbuf == NULL)
2759 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_create ENUMERATED_COMMIT");
2760 0ab4c957 2022-06-13 stsp
2761 0ab4c957 2022-06-13 stsp /* Keep in sync with struct got_imsg_enumerated_commit! */
2762 0ab4c957 2022-06-13 stsp if (imsg_add(wbuf, id, SHA1_DIGEST_LENGTH) == -1)
2763 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_add ENUMERATED_COMMIT");
2764 0ab4c957 2022-06-13 stsp if (imsg_add(wbuf, &mtime, sizeof(mtime)) == -1)
2765 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_add ENUMERATED_COMMIT");
2766 0ab4c957 2022-06-13 stsp
2767 0ab4c957 2022-06-13 stsp wbuf->fd = -1;
2768 0ab4c957 2022-06-13 stsp imsg_close(ibuf, wbuf);
2769 0ab4c957 2022-06-13 stsp /* Don't flush yet, tree entries or ENUMERATION_DONE will follow. */
2770 0ab4c957 2022-06-13 stsp return NULL;
2771 0ab4c957 2022-06-13 stsp }
2772 0ab4c957 2022-06-13 stsp
2773 0ab4c957 2022-06-13 stsp const struct got_error *
2774 db9b9b1c 2022-06-14 stsp got_privsep_recv_enumerated_objects(int *found_all_objects,
2775 db9b9b1c 2022-06-14 stsp struct imsgbuf *ibuf,
2776 0ab4c957 2022-06-13 stsp got_object_enumerate_commit_cb cb_commit,
2777 0ab4c957 2022-06-13 stsp got_object_enumerate_tree_cb cb_tree, void *cb_arg,
2778 0ab4c957 2022-06-13 stsp struct got_repository *repo)
2779 0ab4c957 2022-06-13 stsp {
2780 0ab4c957 2022-06-13 stsp const struct got_error *err = NULL;
2781 0ab4c957 2022-06-13 stsp struct imsg imsg;
2782 0ab4c957 2022-06-13 stsp struct got_imsg_enumerated_commit *icommit = NULL;
2783 0ab4c957 2022-06-13 stsp struct got_object_id commit_id;
2784 0ab4c957 2022-06-13 stsp int have_commit = 0;
2785 0ab4c957 2022-06-13 stsp time_t mtime = 0;
2786 0ab4c957 2022-06-13 stsp struct got_tree_object tree;
2787 0ab4c957 2022-06-13 stsp struct got_imsg_enumerated_tree *itree;
2788 0ab4c957 2022-06-13 stsp struct got_object_id tree_id;
2789 0ab4c957 2022-06-13 stsp char *path = NULL, *canon_path = NULL;
2790 0ab4c957 2022-06-13 stsp size_t datalen, path_len;
2791 0ab4c957 2022-06-13 stsp int nentries = -1;
2792 0ab4c957 2022-06-13 stsp int done = 0;
2793 0ab4c957 2022-06-13 stsp
2794 db9b9b1c 2022-06-14 stsp *found_all_objects = 0;
2795 0ab4c957 2022-06-13 stsp memset(&tree, 0, sizeof(tree));
2796 0ab4c957 2022-06-13 stsp
2797 0ab4c957 2022-06-13 stsp while (!done) {
2798 0ab4c957 2022-06-13 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2799 0ab4c957 2022-06-13 stsp if (err)
2800 0ab4c957 2022-06-13 stsp break;
2801 0ab4c957 2022-06-13 stsp
2802 0ab4c957 2022-06-13 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2803 0ab4c957 2022-06-13 stsp switch (imsg.hdr.type) {
2804 b4b1b9c0 2022-06-14 op case GOT_IMSG_ENUMERATED_COMMIT:
2805 0ab4c957 2022-06-13 stsp if (have_commit && nentries != -1) {
2806 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2807 0ab4c957 2022-06-13 stsp break;
2808 0ab4c957 2022-06-13 stsp }
2809 0ab4c957 2022-06-13 stsp if (datalen != sizeof(*icommit)) {
2810 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2811 0ab4c957 2022-06-13 stsp break;
2812 0ab4c957 2022-06-13 stsp }
2813 0ab4c957 2022-06-13 stsp icommit = (struct got_imsg_enumerated_commit *)imsg.data;
2814 3093e2d7 2023-02-04 op memcpy(commit_id.hash, icommit->id, SHA1_DIGEST_LENGTH);
2815 0ab4c957 2022-06-13 stsp mtime = icommit->mtime;
2816 0ab4c957 2022-06-13 stsp have_commit = 1;
2817 0ab4c957 2022-06-13 stsp break;
2818 0ab4c957 2022-06-13 stsp case GOT_IMSG_ENUMERATED_TREE:
2819 0ab4c957 2022-06-13 stsp /* Should be preceeded by GOT_IMSG_ENUMERATED_COMMIT. */
2820 0ab4c957 2022-06-13 stsp if (!have_commit) {
2821 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2822 0ab4c957 2022-06-13 stsp break;
2823 0ab4c957 2022-06-13 stsp }
2824 0ab4c957 2022-06-13 stsp if (datalen < sizeof(*itree)) {
2825 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2826 0ab4c957 2022-06-13 stsp break;
2827 0ab4c957 2022-06-13 stsp }
2828 0ab4c957 2022-06-13 stsp itree = imsg.data;
2829 0ab4c957 2022-06-13 stsp path_len = datalen - sizeof(*itree);
2830 0ab4c957 2022-06-13 stsp if (path_len == 0) {
2831 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2832 0ab4c957 2022-06-13 stsp break;
2833 0ab4c957 2022-06-13 stsp }
2834 3093e2d7 2023-02-04 op memcpy(tree_id.hash, itree->id, sizeof(tree_id.hash));
2835 0ab4c957 2022-06-13 stsp free(path);
2836 00b3e9ae 2023-01-11 op path = strndup(imsg.data + sizeof(*itree), path_len);
2837 0ab4c957 2022-06-13 stsp if (path == NULL) {
2838 00b3e9ae 2023-01-11 op err = got_error_from_errno("strndup");
2839 0ab4c957 2022-06-13 stsp break;
2840 0ab4c957 2022-06-13 stsp }
2841 0ab4c957 2022-06-13 stsp free(canon_path);
2842 0ab4c957 2022-06-13 stsp canon_path = malloc(path_len + 1);
2843 0ab4c957 2022-06-13 stsp if (canon_path == NULL) {
2844 0ab4c957 2022-06-13 stsp err = got_error_from_errno("malloc");
2845 0ab4c957 2022-06-13 stsp break;
2846 0ab4c957 2022-06-13 stsp }
2847 0ab4c957 2022-06-13 stsp if (!got_path_is_absolute(path)) {
2848 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_BAD_PATH);
2849 0ab4c957 2022-06-13 stsp break;
2850 0ab4c957 2022-06-13 stsp }
2851 0ab4c957 2022-06-13 stsp if (got_path_is_root_dir(path)) {
2852 0ab4c957 2022-06-13 stsp /* XXX check what got_canonpath() does wrong */
2853 0ab4c957 2022-06-13 stsp canon_path[0] = '/';
2854 0ab4c957 2022-06-13 stsp canon_path[1] = '\0';
2855 0ab4c957 2022-06-13 stsp } else {
2856 0ab4c957 2022-06-13 stsp err = got_canonpath(path, canon_path,
2857 0ab4c957 2022-06-13 stsp path_len + 1);
2858 0ab4c957 2022-06-13 stsp if (err)
2859 0ab4c957 2022-06-13 stsp break;
2860 0ab4c957 2022-06-13 stsp }
2861 0ab4c957 2022-06-13 stsp if (strcmp(path, canon_path) != 0) {
2862 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_BAD_PATH);
2863 0ab4c957 2022-06-13 stsp break;
2864 0ab4c957 2022-06-13 stsp }
2865 0ab4c957 2022-06-13 stsp if (nentries != -1) {
2866 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2867 0ab4c957 2022-06-13 stsp break;
2868 0ab4c957 2022-06-13 stsp }
2869 0ab4c957 2022-06-13 stsp if (itree->nentries < -1) {
2870 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2871 0ab4c957 2022-06-13 stsp break;
2872 0ab4c957 2022-06-13 stsp }
2873 0ab4c957 2022-06-13 stsp if (itree->nentries == -1) {
2874 0ab4c957 2022-06-13 stsp /* Tree was not found in pack file. */
2875 0ab4c957 2022-06-13 stsp err = cb_tree(cb_arg, NULL, mtime, &tree_id,
2876 0ab4c957 2022-06-13 stsp path, repo);
2877 0ab4c957 2022-06-13 stsp break;
2878 0ab4c957 2022-06-13 stsp }
2879 0ab4c957 2022-06-13 stsp if (itree->nentries > INT_MAX) {
2880 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2881 0ab4c957 2022-06-13 stsp break;
2882 0ab4c957 2022-06-13 stsp }
2883 0ab4c957 2022-06-13 stsp tree.entries = calloc(itree->nentries,
2884 0ab4c957 2022-06-13 stsp sizeof(struct got_tree_entry));
2885 0ab4c957 2022-06-13 stsp if (tree.entries == NULL) {
2886 0ab4c957 2022-06-13 stsp err = got_error_from_errno("calloc");
2887 0ab4c957 2022-06-13 stsp break;
2888 0ab4c957 2022-06-13 stsp }
2889 0ab4c957 2022-06-13 stsp if (itree->nentries == 0) {
2890 0ab4c957 2022-06-13 stsp err = cb_tree(cb_arg, &tree, mtime, &tree_id,
2891 0ab4c957 2022-06-13 stsp path, repo);
2892 0ab4c957 2022-06-13 stsp if (err)
2893 0ab4c957 2022-06-13 stsp break;
2894 0ab4c957 2022-06-13 stsp
2895 0ab4c957 2022-06-13 stsp /* Prepare for next tree. */
2896 0ab4c957 2022-06-13 stsp free(tree.entries);
2897 0ab4c957 2022-06-13 stsp memset(&tree, 0, sizeof(tree));
2898 0ab4c957 2022-06-13 stsp nentries = -1;
2899 0ab4c957 2022-06-13 stsp } else {
2900 0ab4c957 2022-06-13 stsp tree.nentries = itree->nentries;
2901 0ab4c957 2022-06-13 stsp nentries = 0;
2902 0ab4c957 2022-06-13 stsp }
2903 0ab4c957 2022-06-13 stsp break;
2904 0ab4c957 2022-06-13 stsp case GOT_IMSG_TREE_ENTRIES:
2905 0ab4c957 2022-06-13 stsp /* Should be preceeded by GOT_IMSG_ENUMERATED_TREE. */
2906 0ab4c957 2022-06-13 stsp if (nentries <= -1) {
2907 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2908 0ab4c957 2022-06-13 stsp break;
2909 0ab4c957 2022-06-13 stsp }
2910 0ab4c957 2022-06-13 stsp err = recv_tree_entries(imsg.data, datalen,
2911 0ab4c957 2022-06-13 stsp &tree, &nentries);
2912 0ab4c957 2022-06-13 stsp if (err)
2913 0ab4c957 2022-06-13 stsp break;
2914 0ab4c957 2022-06-13 stsp if (tree.nentries == nentries) {
2915 0ab4c957 2022-06-13 stsp err = cb_tree(cb_arg, &tree, mtime, &tree_id,
2916 0ab4c957 2022-06-13 stsp path, repo);
2917 0ab4c957 2022-06-13 stsp if (err)
2918 0ab4c957 2022-06-13 stsp break;
2919 0ab4c957 2022-06-13 stsp
2920 0ab4c957 2022-06-13 stsp /* Prepare for next tree. */
2921 0ab4c957 2022-06-13 stsp free(tree.entries);
2922 0ab4c957 2022-06-13 stsp memset(&tree, 0, sizeof(tree));
2923 0ab4c957 2022-06-13 stsp nentries = -1;
2924 0ab4c957 2022-06-13 stsp }
2925 0ab4c957 2022-06-13 stsp break;
2926 0ab4c957 2022-06-13 stsp case GOT_IMSG_TREE_ENUMERATION_DONE:
2927 0ab4c957 2022-06-13 stsp /* All trees have been found and traversed. */
2928 0ab4c957 2022-06-13 stsp if (!have_commit || path == NULL || nentries != -1) {
2929 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2930 0ab4c957 2022-06-13 stsp break;
2931 0ab4c957 2022-06-13 stsp }
2932 0ab4c957 2022-06-13 stsp err = cb_commit(cb_arg, mtime, &commit_id, repo);
2933 0ab4c957 2022-06-13 stsp if (err)
2934 0ab4c957 2022-06-13 stsp break;
2935 0ab4c957 2022-06-13 stsp have_commit = 0;
2936 0ab4c957 2022-06-13 stsp break;
2937 0ab4c957 2022-06-13 stsp case GOT_IMSG_OBJECT_ENUMERATION_DONE:
2938 db9b9b1c 2022-06-14 stsp *found_all_objects = 1;
2939 db9b9b1c 2022-06-14 stsp done = 1;
2940 db9b9b1c 2022-06-14 stsp break;
2941 db9b9b1c 2022-06-14 stsp case GOT_IMSG_OBJECT_ENUMERATION_INCOMPLETE:
2942 0ab4c957 2022-06-13 stsp done = 1;
2943 0ab4c957 2022-06-13 stsp break;
2944 0ab4c957 2022-06-13 stsp default:
2945 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2946 0ab4c957 2022-06-13 stsp break;
2947 0ab4c957 2022-06-13 stsp }
2948 0ab4c957 2022-06-13 stsp
2949 0ab4c957 2022-06-13 stsp imsg_free(&imsg);
2950 0ab4c957 2022-06-13 stsp if (err)
2951 0ab4c957 2022-06-13 stsp break;
2952 0ab4c957 2022-06-13 stsp }
2953 0ab4c957 2022-06-13 stsp
2954 0ab4c957 2022-06-13 stsp free(path);
2955 0ab4c957 2022-06-13 stsp free(canon_path);
2956 0ab4c957 2022-06-13 stsp free(tree.entries);
2957 0ab4c957 2022-06-13 stsp return err;
2958 0ab4c957 2022-06-13 stsp }
2959 0ab4c957 2022-06-13 stsp
2960 0ab4c957 2022-06-13 stsp const struct got_error *
2961 67fd6849 2022-02-13 stsp got_privsep_send_raw_delta_req(struct imsgbuf *ibuf, int idx,
2962 67fd6849 2022-02-13 stsp struct got_object_id *id)
2963 67fd6849 2022-02-13 stsp {
2964 67fd6849 2022-02-13 stsp struct got_imsg_raw_delta_request dreq;
2965 67fd6849 2022-02-13 stsp
2966 031611fc 2022-06-18 op memset(&dreq, 0, sizeof(dreq));
2967 67fd6849 2022-02-13 stsp dreq.idx = idx;
2968 babd9f5d 2023-01-31 op memcpy(&dreq.id, id, sizeof(dreq.id));
2969 67fd6849 2022-02-13 stsp
2970 67fd6849 2022-02-13 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_DELTA_REQUEST, 0, 0, -1,
2971 67fd6849 2022-02-13 stsp &dreq, sizeof(dreq)) == -1)
2972 67fd6849 2022-02-13 stsp return got_error_from_errno("imsg_compose RAW_DELTA_REQUEST");
2973 67fd6849 2022-02-13 stsp
2974 67fd6849 2022-02-13 stsp return flush_imsg(ibuf);
2975 67fd6849 2022-02-13 stsp }
2976 67fd6849 2022-02-13 stsp
2977 67fd6849 2022-02-13 stsp const struct got_error *
2978 67fd6849 2022-02-13 stsp got_privsep_send_raw_delta_outfd(struct imsgbuf *ibuf, int fd)
2979 67fd6849 2022-02-13 stsp {
2980 67fd6849 2022-02-13 stsp return send_fd(ibuf, GOT_IMSG_RAW_DELTA_OUTFD, fd);
2981 67fd6849 2022-02-13 stsp }
2982 67fd6849 2022-02-13 stsp
2983 67fd6849 2022-02-13 stsp const struct got_error *
2984 67fd6849 2022-02-13 stsp got_privsep_send_raw_delta(struct imsgbuf *ibuf, uint64_t base_size,
2985 2d9e6abf 2022-05-04 stsp uint64_t result_size, off_t delta_size, off_t delta_compressed_size,
2986 2d9e6abf 2022-05-04 stsp off_t delta_offset, off_t delta_out_offset, struct got_object_id *base_id)
2987 67fd6849 2022-02-13 stsp {
2988 67fd6849 2022-02-13 stsp struct got_imsg_raw_delta idelta;
2989 67fd6849 2022-02-13 stsp int ret;
2990 67fd6849 2022-02-13 stsp
2991 031611fc 2022-06-18 op memset(&idelta, 0, sizeof(idelta));
2992 67fd6849 2022-02-13 stsp idelta.base_size = base_size;
2993 67fd6849 2022-02-13 stsp idelta.result_size = result_size;
2994 67fd6849 2022-02-13 stsp idelta.delta_size = delta_size;
2995 2d9e6abf 2022-05-04 stsp idelta.delta_compressed_size = delta_compressed_size;
2996 67fd6849 2022-02-13 stsp idelta.delta_offset = delta_offset;
2997 67fd6849 2022-02-13 stsp idelta.delta_out_offset = delta_out_offset;
2998 407521c0 2023-01-31 op memcpy(&idelta.base_id, &base_id, sizeof(idelta.base_id));
2999 67fd6849 2022-02-13 stsp
3000 67fd6849 2022-02-13 stsp ret = imsg_compose(ibuf, GOT_IMSG_RAW_DELTA, 0, 0, -1,
3001 67fd6849 2022-02-13 stsp &idelta, sizeof(idelta));
3002 67fd6849 2022-02-13 stsp if (ret == -1)
3003 67fd6849 2022-02-13 stsp return got_error_from_errno("imsg_compose RAW_DELTA");
3004 67fd6849 2022-02-13 stsp
3005 67fd6849 2022-02-13 stsp return flush_imsg(ibuf);
3006 ca6e02ac 2020-01-07 stsp }
3007 ca6e02ac 2020-01-07 stsp
3008 ca6e02ac 2020-01-07 stsp const struct got_error *
3009 67fd6849 2022-02-13 stsp got_privsep_recv_raw_delta(uint64_t *base_size, uint64_t *result_size,
3010 2d9e6abf 2022-05-04 stsp off_t *delta_size, off_t *delta_compressed_size, off_t *delta_offset,
3011 d283eca6 2023-01-31 op off_t *delta_out_offset, struct got_object_id **base_id,
3012 d283eca6 2023-01-31 op struct imsgbuf *ibuf)
3013 67fd6849 2022-02-13 stsp {
3014 67fd6849 2022-02-13 stsp const struct got_error *err = NULL;
3015 67fd6849 2022-02-13 stsp struct imsg imsg;
3016 67fd6849 2022-02-13 stsp struct got_imsg_raw_delta *delta;
3017 67fd6849 2022-02-13 stsp size_t datalen;
3018 67fd6849 2022-02-13 stsp
3019 67fd6849 2022-02-13 stsp *base_size = 0;
3020 67fd6849 2022-02-13 stsp *result_size = 0;
3021 67fd6849 2022-02-13 stsp *delta_size = 0;
3022 2d9e6abf 2022-05-04 stsp *delta_compressed_size = 0;
3023 67fd6849 2022-02-13 stsp *delta_offset = 0;
3024 67fd6849 2022-02-13 stsp *delta_out_offset = 0;
3025 67fd6849 2022-02-13 stsp *base_id = NULL;
3026 67fd6849 2022-02-13 stsp
3027 67fd6849 2022-02-13 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3028 67fd6849 2022-02-13 stsp if (err)
3029 67fd6849 2022-02-13 stsp return err;
3030 67fd6849 2022-02-13 stsp
3031 67fd6849 2022-02-13 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3032 67fd6849 2022-02-13 stsp
3033 67fd6849 2022-02-13 stsp switch (imsg.hdr.type) {
3034 67fd6849 2022-02-13 stsp case GOT_IMSG_RAW_DELTA:
3035 67fd6849 2022-02-13 stsp if (datalen != sizeof(*delta)) {
3036 67fd6849 2022-02-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
3037 67fd6849 2022-02-13 stsp break;
3038 67fd6849 2022-02-13 stsp }
3039 67fd6849 2022-02-13 stsp delta = imsg.data;
3040 67fd6849 2022-02-13 stsp *base_size = delta->base_size;
3041 67fd6849 2022-02-13 stsp *result_size = delta->result_size;
3042 67fd6849 2022-02-13 stsp *delta_size = delta->delta_size;
3043 2d9e6abf 2022-05-04 stsp *delta_compressed_size = delta->delta_compressed_size;
3044 67fd6849 2022-02-13 stsp *delta_offset = delta->delta_offset;
3045 67fd6849 2022-02-13 stsp *delta_out_offset = delta->delta_out_offset;
3046 67fd6849 2022-02-13 stsp *base_id = calloc(1, sizeof(**base_id));
3047 67fd6849 2022-02-13 stsp if (*base_id == NULL) {
3048 67fd6849 2022-02-13 stsp err = got_error_from_errno("malloc");
3049 67fd6849 2022-02-13 stsp break;
3050 67fd6849 2022-02-13 stsp }
3051 407521c0 2023-01-31 op memcpy(*base_id, &delta->base_id, sizeof(**base_id));
3052 67fd6849 2022-02-13 stsp break;
3053 67fd6849 2022-02-13 stsp default:
3054 67fd6849 2022-02-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
3055 67fd6849 2022-02-13 stsp break;
3056 67fd6849 2022-02-13 stsp }
3057 67fd6849 2022-02-13 stsp
3058 67fd6849 2022-02-13 stsp imsg_free(&imsg);
3059 67fd6849 2022-02-13 stsp
3060 67fd6849 2022-02-13 stsp if (err) {
3061 67fd6849 2022-02-13 stsp free(*base_id);
3062 67fd6849 2022-02-13 stsp *base_id = NULL;
3063 fae7e038 2022-05-07 stsp }
3064 fae7e038 2022-05-07 stsp return err;
3065 fae7e038 2022-05-07 stsp }
3066 fae7e038 2022-05-07 stsp
3067 0ab4c957 2022-06-13 stsp static const struct got_error *
3068 0ab4c957 2022-06-13 stsp send_idlist(struct imsgbuf *ibuf, struct got_object_id **ids, size_t nids)
3069 fae7e038 2022-05-07 stsp {
3070 fae7e038 2022-05-07 stsp const struct got_error *err = NULL;
3071 fae7e038 2022-05-07 stsp struct got_imsg_object_idlist idlist;
3072 fae7e038 2022-05-07 stsp struct ibuf *wbuf;
3073 fae7e038 2022-05-07 stsp size_t i;
3074 fae7e038 2022-05-07 stsp
3075 031611fc 2022-06-18 op memset(&idlist, 0, sizeof(idlist));
3076 031611fc 2022-06-18 op
3077 fae7e038 2022-05-07 stsp if (nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS)
3078 fae7e038 2022-05-07 stsp return got_error(GOT_ERR_NO_SPACE);
3079 fae7e038 2022-05-07 stsp
3080 fae7e038 2022-05-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_OBJ_ID_LIST, 0, 0,
3081 fae7e038 2022-05-07 stsp sizeof(idlist) + nids * sizeof(**ids));
3082 fae7e038 2022-05-07 stsp if (wbuf == NULL) {
3083 fae7e038 2022-05-07 stsp err = got_error_from_errno("imsg_create OBJ_ID_LIST");
3084 fae7e038 2022-05-07 stsp return err;
3085 fae7e038 2022-05-07 stsp }
3086 fae7e038 2022-05-07 stsp
3087 fae7e038 2022-05-07 stsp idlist.nids = nids;
3088 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &idlist, sizeof(idlist)) == -1)
3089 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add OBJ_ID_LIST");
3090 fae7e038 2022-05-07 stsp
3091 fae7e038 2022-05-07 stsp for (i = 0; i < nids; i++) {
3092 fae7e038 2022-05-07 stsp struct got_object_id *id = ids[i];
3093 1453347d 2022-05-19 stsp if (imsg_add(wbuf, id, sizeof(*id)) == -1)
3094 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add OBJ_ID_LIST");
3095 fae7e038 2022-05-07 stsp }
3096 b4b1b9c0 2022-06-14 op
3097 fae7e038 2022-05-07 stsp wbuf->fd = -1;
3098 fae7e038 2022-05-07 stsp imsg_close(ibuf, wbuf);
3099 fae7e038 2022-05-07 stsp
3100 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
3101 fae7e038 2022-05-07 stsp }
3102 fae7e038 2022-05-07 stsp
3103 fae7e038 2022-05-07 stsp const struct got_error *
3104 0ab4c957 2022-06-13 stsp got_privsep_send_object_idlist(struct imsgbuf *ibuf,
3105 0ab4c957 2022-06-13 stsp struct got_object_id **ids, size_t nids)
3106 0ab4c957 2022-06-13 stsp {
3107 0ab4c957 2022-06-13 stsp const struct got_error *err = NULL;
3108 0ab4c957 2022-06-13 stsp struct got_object_id *idlist[GOT_IMSG_OBJ_ID_LIST_MAX_NIDS];
3109 a5e587e0 2022-06-14 stsp int i, queued = 0;
3110 0ab4c957 2022-06-13 stsp
3111 b4b1b9c0 2022-06-14 op for (i = 0; i < nids; i++) {
3112 a5e587e0 2022-06-14 stsp idlist[i % nitems(idlist)] = ids[i];
3113 a5e587e0 2022-06-14 stsp queued++;
3114 afd31498 2022-06-14 stsp if (queued >= nitems(idlist)) {
3115 a5e587e0 2022-06-14 stsp err = send_idlist(ibuf, idlist, queued);
3116 0ab4c957 2022-06-13 stsp if (err)
3117 0ab4c957 2022-06-13 stsp return err;
3118 a5e587e0 2022-06-14 stsp queued = 0;
3119 0ab4c957 2022-06-13 stsp }
3120 0ab4c957 2022-06-13 stsp }
3121 0ab4c957 2022-06-13 stsp
3122 a5e587e0 2022-06-14 stsp if (queued > 0) {
3123 a5e587e0 2022-06-14 stsp err = send_idlist(ibuf, idlist, queued);
3124 0ab4c957 2022-06-13 stsp if (err)
3125 0ab4c957 2022-06-13 stsp return err;
3126 0ab4c957 2022-06-13 stsp }
3127 0ab4c957 2022-06-13 stsp
3128 0ab4c957 2022-06-13 stsp return NULL;
3129 0ab4c957 2022-06-13 stsp }
3130 0ab4c957 2022-06-13 stsp
3131 0ab4c957 2022-06-13 stsp const struct got_error *
3132 fae7e038 2022-05-07 stsp got_privsep_send_object_idlist_done(struct imsgbuf *ibuf)
3133 fae7e038 2022-05-07 stsp {
3134 fae7e038 2022-05-07 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJ_ID_LIST_DONE, 0, 0, -1, NULL, 0)
3135 fae7e038 2022-05-07 stsp == -1)
3136 fae7e038 2022-05-07 stsp return got_error_from_errno("imsg_compose OBJ_ID_LIST_DONE");
3137 fae7e038 2022-05-07 stsp
3138 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
3139 fae7e038 2022-05-07 stsp }
3140 fae7e038 2022-05-07 stsp
3141 fae7e038 2022-05-07 stsp const struct got_error *
3142 fae7e038 2022-05-07 stsp got_privsep_recv_object_idlist(int *done, struct got_object_id **ids,
3143 fae7e038 2022-05-07 stsp size_t *nids, struct imsgbuf *ibuf)
3144 fae7e038 2022-05-07 stsp {
3145 fae7e038 2022-05-07 stsp const struct got_error *err = NULL;
3146 fae7e038 2022-05-07 stsp struct imsg imsg;
3147 fae7e038 2022-05-07 stsp struct got_imsg_object_idlist *idlist;
3148 fae7e038 2022-05-07 stsp size_t datalen;
3149 fae7e038 2022-05-07 stsp
3150 fae7e038 2022-05-07 stsp *ids = NULL;
3151 fae7e038 2022-05-07 stsp *done = 0;
3152 fae7e038 2022-05-07 stsp *nids = 0;
3153 fae7e038 2022-05-07 stsp
3154 fae7e038 2022-05-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3155 fae7e038 2022-05-07 stsp if (err)
3156 fae7e038 2022-05-07 stsp return err;
3157 fae7e038 2022-05-07 stsp
3158 fae7e038 2022-05-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3159 fae7e038 2022-05-07 stsp switch (imsg.hdr.type) {
3160 fae7e038 2022-05-07 stsp case GOT_IMSG_OBJ_ID_LIST:
3161 fae7e038 2022-05-07 stsp if (datalen < sizeof(*idlist)) {
3162 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
3163 fae7e038 2022-05-07 stsp break;
3164 fae7e038 2022-05-07 stsp }
3165 fae7e038 2022-05-07 stsp idlist = imsg.data;
3166 c98b0f0b 2022-06-14 op if (idlist->nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS ||
3167 c98b0f0b 2022-06-14 op idlist->nids * sizeof(**ids) > datalen - sizeof(*idlist)) {
3168 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
3169 fae7e038 2022-05-07 stsp break;
3170 fae7e038 2022-05-07 stsp }
3171 fae7e038 2022-05-07 stsp *nids = idlist->nids;
3172 fae7e038 2022-05-07 stsp *ids = calloc(*nids, sizeof(**ids));
3173 fae7e038 2022-05-07 stsp if (*ids == NULL) {
3174 fae7e038 2022-05-07 stsp err = got_error_from_errno("calloc");
3175 fae7e038 2022-05-07 stsp break;
3176 fae7e038 2022-05-07 stsp }
3177 0fca100c 2022-06-14 op memcpy(*ids, (uint8_t *)imsg.data + sizeof(*idlist),
3178 fae7e038 2022-05-07 stsp *nids * sizeof(**ids));
3179 fae7e038 2022-05-07 stsp break;
3180 fae7e038 2022-05-07 stsp case GOT_IMSG_OBJ_ID_LIST_DONE:
3181 fae7e038 2022-05-07 stsp *done = 1;
3182 fae7e038 2022-05-07 stsp break;
3183 fae7e038 2022-05-07 stsp default:
3184 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
3185 fae7e038 2022-05-07 stsp break;
3186 fae7e038 2022-05-07 stsp }
3187 fae7e038 2022-05-07 stsp
3188 fae7e038 2022-05-07 stsp imsg_free(&imsg);
3189 fae7e038 2022-05-07 stsp
3190 fae7e038 2022-05-07 stsp return err;
3191 fae7e038 2022-05-07 stsp }
3192 fae7e038 2022-05-07 stsp
3193 fae7e038 2022-05-07 stsp const struct got_error *
3194 fae7e038 2022-05-07 stsp got_privsep_send_delta_reuse_req(struct imsgbuf *ibuf)
3195 fae7e038 2022-05-07 stsp {
3196 fae7e038 2022-05-07 stsp if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_REQUEST, 0, 0, -1, NULL, 0)
3197 fae7e038 2022-05-07 stsp == -1)
3198 fae7e038 2022-05-07 stsp return got_error_from_errno("imsg_compose DELTA_REUSE_REQUEST");
3199 fae7e038 2022-05-07 stsp
3200 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
3201 fae7e038 2022-05-07 stsp }
3202 fae7e038 2022-05-07 stsp
3203 fae7e038 2022-05-07 stsp const struct got_error *
3204 fae7e038 2022-05-07 stsp got_privsep_send_reused_deltas(struct imsgbuf *ibuf,
3205 fae7e038 2022-05-07 stsp struct got_imsg_reused_delta *deltas, size_t ndeltas)
3206 fae7e038 2022-05-07 stsp {
3207 fae7e038 2022-05-07 stsp const struct got_error *err = NULL;
3208 fae7e038 2022-05-07 stsp struct ibuf *wbuf;
3209 fae7e038 2022-05-07 stsp struct got_imsg_reused_deltas ideltas;
3210 fae7e038 2022-05-07 stsp size_t i;
3211 fae7e038 2022-05-07 stsp
3212 031611fc 2022-06-18 op memset(&ideltas, 0, sizeof(ideltas));
3213 031611fc 2022-06-18 op
3214 fae7e038 2022-05-07 stsp if (ndeltas > GOT_IMSG_REUSED_DELTAS_MAX_NDELTAS)
3215 fae7e038 2022-05-07 stsp return got_error(GOT_ERR_NO_SPACE);
3216 fae7e038 2022-05-07 stsp
3217 fae7e038 2022-05-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_REUSED_DELTAS, 0, 0,
3218 fae7e038 2022-05-07 stsp sizeof(ideltas) + ndeltas * sizeof(*deltas));
3219 fae7e038 2022-05-07 stsp if (wbuf == NULL) {
3220 fae7e038 2022-05-07 stsp err = got_error_from_errno("imsg_create REUSED_DELTAS");
3221 fae7e038 2022-05-07 stsp return err;
3222 67fd6849 2022-02-13 stsp }
3223 fae7e038 2022-05-07 stsp
3224 fae7e038 2022-05-07 stsp ideltas.ndeltas = ndeltas;
3225 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &ideltas, sizeof(ideltas)) == -1)
3226 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add REUSED_DELTAS");
3227 fae7e038 2022-05-07 stsp
3228 fae7e038 2022-05-07 stsp for (i = 0; i < ndeltas; i++) {
3229 fae7e038 2022-05-07 stsp struct got_imsg_reused_delta *delta = &deltas[i];
3230 1453347d 2022-05-19 stsp if (imsg_add(wbuf, delta, sizeof(*delta)) == -1)
3231 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add REUSED_DELTAS");
3232 fae7e038 2022-05-07 stsp }
3233 b4b1b9c0 2022-06-14 op
3234 fae7e038 2022-05-07 stsp wbuf->fd = -1;
3235 fae7e038 2022-05-07 stsp imsg_close(ibuf, wbuf);
3236 fae7e038 2022-05-07 stsp
3237 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
3238 fae7e038 2022-05-07 stsp }
3239 fae7e038 2022-05-07 stsp
3240 fae7e038 2022-05-07 stsp const struct got_error *
3241 fae7e038 2022-05-07 stsp got_privsep_send_reused_deltas_done(struct imsgbuf *ibuf)
3242 fae7e038 2022-05-07 stsp {
3243 fae7e038 2022-05-07 stsp if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_DONE, 0, 0, -1, NULL, 0)
3244 fae7e038 2022-05-07 stsp == -1)
3245 fae7e038 2022-05-07 stsp return got_error_from_errno("imsg_compose DELTA_REUSE_DONE");
3246 fae7e038 2022-05-07 stsp
3247 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
3248 fae7e038 2022-05-07 stsp }
3249 fae7e038 2022-05-07 stsp
3250 fae7e038 2022-05-07 stsp const struct got_error *
3251 fae7e038 2022-05-07 stsp got_privsep_recv_reused_deltas(int *done, struct got_imsg_reused_delta *deltas,
3252 fae7e038 2022-05-07 stsp size_t *ndeltas, struct imsgbuf *ibuf)
3253 fae7e038 2022-05-07 stsp {
3254 fae7e038 2022-05-07 stsp const struct got_error *err = NULL;
3255 fae7e038 2022-05-07 stsp struct imsg imsg;
3256 fae7e038 2022-05-07 stsp struct got_imsg_reused_deltas *ideltas;
3257 fae7e038 2022-05-07 stsp size_t datalen;
3258 fae7e038 2022-05-07 stsp
3259 fae7e038 2022-05-07 stsp *done = 0;
3260 fae7e038 2022-05-07 stsp *ndeltas = 0;
3261 fae7e038 2022-05-07 stsp
3262 fae7e038 2022-05-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3263 fae7e038 2022-05-07 stsp if (err)
3264 fae7e038 2022-05-07 stsp return err;
3265 fae7e038 2022-05-07 stsp
3266 fae7e038 2022-05-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3267 fae7e038 2022-05-07 stsp switch (imsg.hdr.type) {
3268 fae7e038 2022-05-07 stsp case GOT_IMSG_REUSED_DELTAS:
3269 fae7e038 2022-05-07 stsp if (datalen < sizeof(*ideltas)) {
3270 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
3271 fae7e038 2022-05-07 stsp break;
3272 fae7e038 2022-05-07 stsp }
3273 fae7e038 2022-05-07 stsp ideltas = imsg.data;
3274 c98b0f0b 2022-06-14 op if (ideltas->ndeltas > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS ||
3275 c98b0f0b 2022-06-14 op ideltas->ndeltas * sizeof(*deltas) >
3276 c98b0f0b 2022-06-14 op datalen - sizeof(*ideltas)) {
3277 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
3278 fae7e038 2022-05-07 stsp break;
3279 fae7e038 2022-05-07 stsp }
3280 fae7e038 2022-05-07 stsp *ndeltas = ideltas->ndeltas;
3281 0fca100c 2022-06-14 op memcpy(deltas, (uint8_t *)imsg.data + sizeof(*ideltas),
3282 fae7e038 2022-05-07 stsp *ndeltas * sizeof(*deltas));
3283 fae7e038 2022-05-07 stsp break;
3284 fae7e038 2022-05-07 stsp case GOT_IMSG_DELTA_REUSE_DONE:
3285 fae7e038 2022-05-07 stsp *done = 1;
3286 fae7e038 2022-05-07 stsp break;
3287 fae7e038 2022-05-07 stsp default:
3288 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
3289 fae7e038 2022-05-07 stsp break;
3290 fae7e038 2022-05-07 stsp }
3291 fae7e038 2022-05-07 stsp
3292 fae7e038 2022-05-07 stsp imsg_free(&imsg);
3293 61af9b21 2022-06-28 stsp
3294 61af9b21 2022-06-28 stsp return err;
3295 61af9b21 2022-06-28 stsp }
3296 61af9b21 2022-06-28 stsp
3297 61af9b21 2022-06-28 stsp const struct got_error *
3298 61af9b21 2022-06-28 stsp got_privsep_init_commit_painting(struct imsgbuf *ibuf)
3299 61af9b21 2022-06-28 stsp {
3300 61af9b21 2022-06-28 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_PAINTING_INIT,
3301 61af9b21 2022-06-28 stsp 0, 0, -1, NULL, 0)
3302 61af9b21 2022-06-28 stsp == -1)
3303 61af9b21 2022-06-28 stsp return got_error_from_errno("imsg_compose "
3304 61af9b21 2022-06-28 stsp "COMMIT_PAINTING_INIT");
3305 61af9b21 2022-06-28 stsp
3306 61af9b21 2022-06-28 stsp return flush_imsg(ibuf);
3307 61af9b21 2022-06-28 stsp }
3308 61af9b21 2022-06-28 stsp
3309 61af9b21 2022-06-28 stsp const struct got_error *
3310 61af9b21 2022-06-28 stsp got_privsep_send_painting_request(struct imsgbuf *ibuf, int idx,
3311 61af9b21 2022-06-28 stsp struct got_object_id *id, intptr_t color)
3312 61af9b21 2022-06-28 stsp {
3313 61af9b21 2022-06-28 stsp struct got_imsg_commit_painting_request ireq;
3314 61af9b21 2022-06-28 stsp
3315 61af9b21 2022-06-28 stsp memset(&ireq, 0, sizeof(ireq));
3316 3093e2d7 2023-02-04 op memcpy(ireq.id, id->hash, sizeof(ireq.id));
3317 61af9b21 2022-06-28 stsp ireq.idx = idx;
3318 61af9b21 2022-06-28 stsp ireq.color = color;
3319 61af9b21 2022-06-28 stsp
3320 61af9b21 2022-06-28 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_PAINTING_REQUEST, 0, 0, -1,
3321 61af9b21 2022-06-28 stsp &ireq, sizeof(ireq)) == -1)
3322 61af9b21 2022-06-28 stsp return got_error_from_errno("imsg_compose "
3323 61af9b21 2022-06-28 stsp "COMMIT_PAINTING_REQUEST");
3324 61af9b21 2022-06-28 stsp
3325 61af9b21 2022-06-28 stsp return flush_imsg(ibuf);
3326 61af9b21 2022-06-28 stsp }
3327 61af9b21 2022-06-28 stsp
3328 61af9b21 2022-06-28 stsp static const struct got_error *
3329 61af9b21 2022-06-28 stsp send_painted_commits(struct got_object_id_queue *ids, int *nids,
3330 61af9b21 2022-06-28 stsp size_t remain, int present_in_pack, struct imsgbuf *ibuf)
3331 61af9b21 2022-06-28 stsp {
3332 61af9b21 2022-06-28 stsp const struct got_error *err = NULL;
3333 61af9b21 2022-06-28 stsp struct ibuf *wbuf = NULL;
3334 61af9b21 2022-06-28 stsp struct got_object_qid *qid;
3335 61af9b21 2022-06-28 stsp size_t msglen;
3336 61af9b21 2022-06-28 stsp int ncommits;
3337 61af9b21 2022-06-28 stsp intptr_t color;
3338 61af9b21 2022-06-28 stsp
3339 61af9b21 2022-06-28 stsp msglen = MIN(remain, MAX_IMSGSIZE - IMSG_HEADER_SIZE);
3340 61af9b21 2022-06-28 stsp ncommits = (msglen - sizeof(struct got_imsg_painted_commits)) /
3341 61af9b21 2022-06-28 stsp sizeof(struct got_imsg_painted_commit);
3342 61af9b21 2022-06-28 stsp
3343 61af9b21 2022-06-28 stsp wbuf = imsg_create(ibuf, GOT_IMSG_PAINTED_COMMITS, 0, 0, msglen);
3344 61af9b21 2022-06-28 stsp if (wbuf == NULL) {
3345 61af9b21 2022-06-28 stsp err = got_error_from_errno("imsg_create PAINTED_COMMITS");
3346 61af9b21 2022-06-28 stsp return err;
3347 61af9b21 2022-06-28 stsp }
3348 61af9b21 2022-06-28 stsp
3349 61af9b21 2022-06-28 stsp /* Keep in sync with struct got_imsg_painted_commits! */
3350 61af9b21 2022-06-28 stsp if (imsg_add(wbuf, &ncommits, sizeof(ncommits)) == -1)
3351 61af9b21 2022-06-28 stsp return got_error_from_errno("imsg_add PAINTED_COMMITS");
3352 61af9b21 2022-06-28 stsp if (imsg_add(wbuf, &present_in_pack, sizeof(present_in_pack)) == -1)
3353 61af9b21 2022-06-28 stsp return got_error_from_errno("imsg_add PAINTED_COMMITS");
3354 61af9b21 2022-06-28 stsp
3355 61af9b21 2022-06-28 stsp while (ncommits > 0) {
3356 61af9b21 2022-06-28 stsp qid = STAILQ_FIRST(ids);
3357 61af9b21 2022-06-28 stsp STAILQ_REMOVE_HEAD(ids, entry);
3358 61af9b21 2022-06-28 stsp ncommits--;
3359 61af9b21 2022-06-28 stsp (*nids)--;
3360 61af9b21 2022-06-28 stsp color = (intptr_t)qid->data;
3361 61af9b21 2022-06-28 stsp
3362 61af9b21 2022-06-28 stsp /* Keep in sync with struct got_imsg_painted_commit! */
3363 3093e2d7 2023-02-04 op if (imsg_add(wbuf, qid->id.hash, SHA1_DIGEST_LENGTH) == -1)
3364 61af9b21 2022-06-28 stsp return got_error_from_errno("imsg_add PAINTED_COMMITS");
3365 61af9b21 2022-06-28 stsp if (imsg_add(wbuf, &color, sizeof(color)) == -1)
3366 61af9b21 2022-06-28 stsp return got_error_from_errno("imsg_add PAINTED_COMMITS");
3367 61af9b21 2022-06-28 stsp
3368 61af9b21 2022-06-28 stsp got_object_qid_free(qid);
3369 61af9b21 2022-06-28 stsp }
3370 61af9b21 2022-06-28 stsp
3371 61af9b21 2022-06-28 stsp wbuf->fd = -1;
3372 61af9b21 2022-06-28 stsp imsg_close(ibuf, wbuf);
3373 61af9b21 2022-06-28 stsp
3374 61af9b21 2022-06-28 stsp return flush_imsg(ibuf);
3375 61af9b21 2022-06-28 stsp }
3376 61af9b21 2022-06-28 stsp
3377 61af9b21 2022-06-28 stsp const struct got_error *
3378 61af9b21 2022-06-28 stsp got_privsep_send_painted_commits(struct imsgbuf *ibuf,
3379 61af9b21 2022-06-28 stsp struct got_object_id_queue *ids, int *nids,
3380 61af9b21 2022-06-28 stsp int present_in_pack, int flush)
3381 61af9b21 2022-06-28 stsp {
3382 61af9b21 2022-06-28 stsp const struct got_error *err;
3383 61af9b21 2022-06-28 stsp size_t remain;
3384 fae7e038 2022-05-07 stsp
3385 61af9b21 2022-06-28 stsp if (*nids <= 0)
3386 61af9b21 2022-06-28 stsp return NULL;
3387 61af9b21 2022-06-28 stsp
3388 61af9b21 2022-06-28 stsp do {
3389 61af9b21 2022-06-28 stsp remain = (sizeof(struct got_imsg_painted_commits)) +
3390 61af9b21 2022-06-28 stsp *nids * sizeof(struct got_imsg_painted_commit);
3391 61af9b21 2022-06-28 stsp if (flush || remain >= MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
3392 61af9b21 2022-06-28 stsp err = send_painted_commits(ids, nids, remain,
3393 61af9b21 2022-06-28 stsp present_in_pack, ibuf);
3394 61af9b21 2022-06-28 stsp if (err)
3395 61af9b21 2022-06-28 stsp return err;
3396 61af9b21 2022-06-28 stsp }
3397 61af9b21 2022-06-28 stsp } while (flush && *nids > 0);
3398 61af9b21 2022-06-28 stsp
3399 61af9b21 2022-06-28 stsp return NULL;
3400 61af9b21 2022-06-28 stsp }
3401 61af9b21 2022-06-28 stsp
3402 61af9b21 2022-06-28 stsp const struct got_error *
3403 61af9b21 2022-06-28 stsp got_privsep_send_painting_commits_done(struct imsgbuf *ibuf)
3404 61af9b21 2022-06-28 stsp {
3405 61af9b21 2022-06-28 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_PAINTING_DONE,
3406 61af9b21 2022-06-28 stsp 0, 0, -1, NULL, 0)
3407 61af9b21 2022-06-28 stsp == -1)
3408 61af9b21 2022-06-28 stsp return got_error_from_errno("imsg_compose "
3409 61af9b21 2022-06-28 stsp "COMMIT_PAINTING_DONE");
3410 61af9b21 2022-06-28 stsp
3411 61af9b21 2022-06-28 stsp return flush_imsg(ibuf);
3412 61af9b21 2022-06-28 stsp }
3413 61af9b21 2022-06-28 stsp
3414 61af9b21 2022-06-28 stsp const struct got_error *
3415 61af9b21 2022-06-28 stsp got_privsep_recv_painted_commits(struct got_object_id_queue *new_ids,
3416 61af9b21 2022-06-28 stsp got_privsep_recv_painted_commit_cb cb, void *cb_arg, struct imsgbuf *ibuf)
3417 61af9b21 2022-06-28 stsp {
3418 61af9b21 2022-06-28 stsp const struct got_error *err = NULL;
3419 61af9b21 2022-06-28 stsp struct imsg imsg;
3420 61af9b21 2022-06-28 stsp struct got_imsg_painted_commits icommits;
3421 61af9b21 2022-06-28 stsp struct got_imsg_painted_commit icommit;
3422 61af9b21 2022-06-28 stsp size_t datalen;
3423 61af9b21 2022-06-28 stsp int i;
3424 61af9b21 2022-06-28 stsp
3425 61af9b21 2022-06-28 stsp for (;;) {
3426 61af9b21 2022-06-28 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3427 61af9b21 2022-06-28 stsp if (err)
3428 61af9b21 2022-06-28 stsp return err;
3429 61af9b21 2022-06-28 stsp
3430 61af9b21 2022-06-28 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3431 61af9b21 2022-06-28 stsp if (imsg.hdr.type == GOT_IMSG_COMMIT_PAINTING_DONE)
3432 61af9b21 2022-06-28 stsp break;
3433 61af9b21 2022-06-28 stsp if (imsg.hdr.type != GOT_IMSG_PAINTED_COMMITS)
3434 61af9b21 2022-06-28 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
3435 61af9b21 2022-06-28 stsp
3436 61af9b21 2022-06-28 stsp if (datalen < sizeof(icommits))
3437 61af9b21 2022-06-28 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
3438 61af9b21 2022-06-28 stsp memcpy(&icommits, imsg.data, sizeof(icommits));
3439 61af9b21 2022-06-28 stsp if (icommits.ncommits * sizeof(icommit) < icommits.ncommits ||
3440 61af9b21 2022-06-28 stsp datalen < sizeof(icommits) +
3441 61af9b21 2022-06-28 stsp icommits.ncommits * sizeof(icommit))
3442 61af9b21 2022-06-28 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
3443 61af9b21 2022-06-28 stsp
3444 61af9b21 2022-06-28 stsp for (i = 0; i < icommits.ncommits; i++) {
3445 61af9b21 2022-06-28 stsp memcpy(&icommit,
3446 61af9b21 2022-06-28 stsp (uint8_t *)imsg.data + sizeof(icommits) + i * sizeof(icommit),
3447 61af9b21 2022-06-28 stsp sizeof(icommit));
3448 61af9b21 2022-06-28 stsp
3449 61af9b21 2022-06-28 stsp if (icommits.present_in_pack) {
3450 61af9b21 2022-06-28 stsp struct got_object_id id;
3451 3093e2d7 2023-02-04 op memcpy(id.hash, icommit.id, SHA1_DIGEST_LENGTH);
3452 61af9b21 2022-06-28 stsp err = cb(cb_arg, &id, icommit.color);
3453 61af9b21 2022-06-28 stsp if (err)
3454 61af9b21 2022-06-28 stsp break;
3455 61af9b21 2022-06-28 stsp } else {
3456 61af9b21 2022-06-28 stsp struct got_object_qid *qid;
3457 61af9b21 2022-06-28 stsp err = got_object_qid_alloc_partial(&qid);
3458 61af9b21 2022-06-28 stsp if (err)
3459 61af9b21 2022-06-28 stsp break;
3460 3093e2d7 2023-02-04 op memcpy(qid->id.hash, icommit.id,
3461 61af9b21 2022-06-28 stsp SHA1_DIGEST_LENGTH);
3462 61af9b21 2022-06-28 stsp qid->data = (void *)icommit.color;
3463 61af9b21 2022-06-28 stsp STAILQ_INSERT_TAIL(new_ids, qid, entry);
3464 61af9b21 2022-06-28 stsp }
3465 61af9b21 2022-06-28 stsp }
3466 61af9b21 2022-06-28 stsp
3467 61af9b21 2022-06-28 stsp imsg_free(&imsg);
3468 61af9b21 2022-06-28 stsp }
3469 61af9b21 2022-06-28 stsp
3470 67fd6849 2022-02-13 stsp return err;
3471 67fd6849 2022-02-13 stsp }
3472 67fd6849 2022-02-13 stsp
3473 67fd6849 2022-02-13 stsp const struct got_error *
3474 63219cd2 2019-01-04 stsp got_privsep_unveil_exec_helpers(void)
3475 63219cd2 2019-01-04 stsp {
3476 c39c25dd 2019-08-09 stsp const char *helpers[] = {
3477 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_PACK,
3478 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_OBJECT,
3479 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_COMMIT,
3480 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TREE,
3481 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_BLOB,
3482 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TAG,
3483 aba9c984 2019-09-08 stsp GOT_PATH_PROG_READ_GITCONFIG,
3484 257add31 2020-09-09 stsp GOT_PATH_PROG_READ_GOTCONFIG,
3485 e9ce266e 2022-03-07 op GOT_PATH_PROG_READ_PATCH,
3486 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_FETCH_PACK,
3487 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_INDEX_PACK,
3488 f8a36e22 2021-08-26 stsp GOT_PATH_PROG_SEND_PACK,
3489 c39c25dd 2019-08-09 stsp };
3490 16aeacf7 2020-11-26 stsp size_t i;
3491 63219cd2 2019-01-04 stsp
3492 c39c25dd 2019-08-09 stsp for (i = 0; i < nitems(helpers); i++) {
3493 c39c25dd 2019-08-09 stsp if (unveil(helpers[i], "x") == 0)
3494 c39c25dd 2019-08-09 stsp continue;
3495 c39c25dd 2019-08-09 stsp return got_error_from_errno2("unveil", helpers[i]);
3496 c39c25dd 2019-08-09 stsp }
3497 c39c25dd 2019-08-09 stsp
3498 63219cd2 2019-01-04 stsp return NULL;
3499 876c234b 2018-09-10 stsp }
3500 aba9c984 2019-09-08 stsp
3501 aba9c984 2019-09-08 stsp void
3502 aba9c984 2019-09-08 stsp got_privsep_exec_child(int imsg_fds[2], const char *path, const char *repo_path)
3503 aba9c984 2019-09-08 stsp {
3504 08578a35 2021-01-22 stsp if (close(imsg_fds[0]) == -1) {
3505 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3506 aba9c984 2019-09-08 stsp _exit(1);
3507 aba9c984 2019-09-08 stsp }
3508 aba9c984 2019-09-08 stsp
3509 aba9c984 2019-09-08 stsp if (dup2(imsg_fds[1], GOT_IMSG_FD_CHILD) == -1) {
3510 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3511 aba9c984 2019-09-08 stsp _exit(1);
3512 aba9c984 2019-09-08 stsp }
3513 aba9c984 2019-09-08 stsp
3514 4a55b231 2021-12-09 stsp closefrom(GOT_IMSG_FD_CHILD + 1);
3515 4a55b231 2021-12-09 stsp
3516 aba9c984 2019-09-08 stsp if (execl(path, path, repo_path, (char *)NULL) == -1) {
3517 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s: %s\n", getprogname(), path,
3518 aba9c984 2019-09-08 stsp strerror(errno));
3519 aba9c984 2019-09-08 stsp _exit(1);
3520 aba9c984 2019-09-08 stsp }
3521 aba9c984 2019-09-08 stsp }