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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 8b925c6c 2022-07-16 thomas #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 588a8092 2023-02-23 thomas #include <imsg.h>
33 81a12da5 2020-09-09 naddy #include <unistd.h>
34 2178c42e 2018-04-22 stsp #include <zlib.h>
35 dd038bc6 2021-09-21 thomas.ad
36 dd038bc6 2021-09-21 thomas.ad #include "got_compat.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 be288a59 2023-02-23 thomas #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 232c0ac1 2023-04-22 thomas #include "got_lib_object_qid.h"
49 2178c42e 2018-04-22 stsp #include "got_lib_privsep.h"
50 876c234b 2018-09-10 stsp #include "got_lib_pack.h"
51 3efd8e31 2022-10-23 thomas #include "got_lib_poll.h"
52 ef20f542 2022-06-26 thomas
53 ef20f542 2022-06-26 thomas #include "got_privsep.h"
54 2178c42e 2018-04-22 stsp
55 2178c42e 2018-04-22 stsp #ifndef MIN
56 2178c42e 2018-04-22 stsp #define MIN(_a,_b) ((_a) < (_b) ? (_a) : (_b))
57 c39c25dd 2019-08-09 stsp #endif
58 c39c25dd 2019-08-09 stsp
59 c39c25dd 2019-08-09 stsp #ifndef nitems
60 c39c25dd 2019-08-09 stsp #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
61 2178c42e 2018-04-22 stsp #endif
62 2178c42e 2018-04-22 stsp
63 2178c42e 2018-04-22 stsp static const struct got_error *
64 e033d803 2018-04-23 stsp read_imsg(struct imsgbuf *ibuf)
65 fe36cf76 2018-04-23 stsp {
66 fe36cf76 2018-04-23 stsp const struct got_error *err;
67 e033d803 2018-04-23 stsp size_t n;
68 fe36cf76 2018-04-23 stsp
69 3efd8e31 2022-10-23 thomas err = got_poll_fd(ibuf->fd, POLLIN, INFTIM);
70 3efd8e31 2022-10-23 thomas if (err) {
71 3efd8e31 2022-10-23 thomas if (err->code == GOT_ERR_EOF)
72 3efd8e31 2022-10-23 thomas return got_error(GOT_ERR_PRIVSEP_PIPE);
73 ff470224 2022-05-19 thomas return err;
74 3efd8e31 2022-10-23 thomas }
75 fe36cf76 2018-04-23 stsp
76 fe36cf76 2018-04-23 stsp n = imsg_read(ibuf);
77 fe36cf76 2018-04-23 stsp if (n == -1) {
78 fe36cf76 2018-04-23 stsp if (errno == EAGAIN) /* Could be a file-descriptor leak. */
79 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_NO_FD);
80 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_READ);
81 fe36cf76 2018-04-23 stsp }
82 fe36cf76 2018-04-23 stsp if (n == 0)
83 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_PIPE);
84 fe36cf76 2018-04-23 stsp
85 e033d803 2018-04-23 stsp return NULL;
86 e033d803 2018-04-23 stsp }
87 e033d803 2018-04-23 stsp
88 ad242220 2018-09-08 stsp const struct got_error *
89 876c234b 2018-09-10 stsp got_privsep_wait_for_child(pid_t pid)
90 876c234b 2018-09-10 stsp {
91 876c234b 2018-09-10 stsp int child_status;
92 876c234b 2018-09-10 stsp
93 2cb49fa8 2019-05-10 stsp if (waitpid(pid, &child_status, 0) == -1)
94 638f9024 2019-05-13 stsp return got_error_from_errno("waitpid");
95 876c234b 2018-09-10 stsp
96 876c234b 2018-09-10 stsp if (!WIFEXITED(child_status))
97 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_DIED);
98 876c234b 2018-09-10 stsp
99 876c234b 2018-09-10 stsp if (WEXITSTATUS(child_status) != 0)
100 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_EXIT);
101 876c234b 2018-09-10 stsp
102 876c234b 2018-09-10 stsp return NULL;
103 876c234b 2018-09-10 stsp }
104 876c234b 2018-09-10 stsp
105 73b7854a 2018-11-11 stsp static const struct got_error *
106 73b7854a 2018-11-11 stsp recv_imsg_error(struct imsg *imsg, size_t datalen)
107 73b7854a 2018-11-11 stsp {
108 73b7854a 2018-11-11 stsp struct got_imsg_error *ierr;
109 73b7854a 2018-11-11 stsp
110 73b7854a 2018-11-11 stsp if (datalen != sizeof(*ierr))
111 73b7854a 2018-11-11 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
112 73b7854a 2018-11-11 stsp
113 73b7854a 2018-11-11 stsp ierr = imsg->data;
114 73b7854a 2018-11-11 stsp if (ierr->code == GOT_ERR_ERRNO) {
115 73b7854a 2018-11-11 stsp static struct got_error serr;
116 73b7854a 2018-11-11 stsp serr.code = GOT_ERR_ERRNO;
117 73b7854a 2018-11-11 stsp serr.msg = strerror(ierr->errno_code);
118 73b7854a 2018-11-11 stsp return &serr;
119 73b7854a 2018-11-11 stsp }
120 73b7854a 2018-11-11 stsp
121 73b7854a 2018-11-11 stsp return got_error(ierr->code);
122 73b7854a 2018-11-11 stsp }
123 73b7854a 2018-11-11 stsp
124 876c234b 2018-09-10 stsp const struct got_error *
125 46de5bfd 2018-11-11 stsp got_privsep_recv_imsg(struct imsg *imsg, struct imsgbuf *ibuf,
126 46de5bfd 2018-11-11 stsp size_t min_datalen)
127 e033d803 2018-04-23 stsp {
128 e033d803 2018-04-23 stsp const struct got_error *err;
129 e033d803 2018-04-23 stsp ssize_t n;
130 e033d803 2018-04-23 stsp
131 e033d803 2018-04-23 stsp n = imsg_get(ibuf, imsg);
132 876c234b 2018-09-10 stsp if (n == -1)
133 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_get");
134 876c234b 2018-09-10 stsp
135 876c234b 2018-09-10 stsp while (n == 0) {
136 876c234b 2018-09-10 stsp err = read_imsg(ibuf);
137 876c234b 2018-09-10 stsp if (err)
138 876c234b 2018-09-10 stsp return err;
139 876c234b 2018-09-10 stsp n = imsg_get(ibuf, imsg);
140 cbfaaf20 2020-01-06 stsp if (n == -1)
141 cbfaaf20 2020-01-06 stsp return got_error_from_errno("imsg_get");
142 54e38878 2024-03-02 thomas }
143 c4eae628 2018-04-23 stsp
144 73b7854a 2018-11-11 stsp if (imsg->hdr.type == GOT_IMSG_ERROR) {
145 73b7854a 2018-11-11 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
146 54e38878 2024-03-02 thomas err = recv_imsg_error(imsg, datalen);
147 54e38878 2024-03-02 thomas imsg_free(imsg);
148 54e38878 2024-03-02 thomas return err;
149 c4eae628 2018-04-23 stsp }
150 c4eae628 2018-04-23 stsp
151 b1505770 2024-03-02 thomas if (imsg->hdr.len < IMSG_HEADER_SIZE + min_datalen) {
152 b1505770 2024-03-02 thomas imsg_free(imsg);
153 b1505770 2024-03-02 thomas return got_error(GOT_ERR_PRIVSEP_LEN);
154 b1505770 2024-03-02 thomas }
155 b1505770 2024-03-02 thomas
156 73b7854a 2018-11-11 stsp return NULL;
157 c4eae628 2018-04-23 stsp }
158 c4eae628 2018-04-23 stsp
159 2178c42e 2018-04-22 stsp /* Attempt to send an error in an imsg. Complain on stderr as a last resort. */
160 2178c42e 2018-04-22 stsp void
161 2178c42e 2018-04-22 stsp got_privsep_send_error(struct imsgbuf *ibuf, const struct got_error *err)
162 2178c42e 2018-04-22 stsp {
163 2178c42e 2018-04-22 stsp const struct got_error *poll_err;
164 2178c42e 2018-04-22 stsp struct got_imsg_error ierr;
165 2178c42e 2018-04-22 stsp int ret;
166 2178c42e 2018-04-22 stsp
167 2178c42e 2018-04-22 stsp ierr.code = err->code;
168 2178c42e 2018-04-22 stsp if (err->code == GOT_ERR_ERRNO)
169 2178c42e 2018-04-22 stsp ierr.errno_code = errno;
170 2178c42e 2018-04-22 stsp else
171 2178c42e 2018-04-22 stsp ierr.errno_code = 0;
172 2178c42e 2018-04-22 stsp ret = imsg_compose(ibuf, GOT_IMSG_ERROR, 0, 0, -1, &ierr, sizeof(ierr));
173 e93cd828 2018-11-11 stsp if (ret == -1) {
174 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_compose: %s\n",
175 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
176 5d43e84d 2018-04-23 stsp return;
177 2178c42e 2018-04-22 stsp }
178 2178c42e 2018-04-22 stsp
179 3efd8e31 2022-10-23 thomas poll_err = got_poll_fd(ibuf->fd, POLLOUT, INFTIM);
180 5d43e84d 2018-04-23 stsp if (poll_err) {
181 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": poll: %s\n",
182 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, poll_err->msg);
183 5d43e84d 2018-04-23 stsp return;
184 5d43e84d 2018-04-23 stsp }
185 2178c42e 2018-04-22 stsp
186 2178c42e 2018-04-22 stsp ret = imsg_flush(ibuf);
187 5d43e84d 2018-04-23 stsp if (ret == -1) {
188 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_flush: %s\n",
189 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
190 e2752401 2022-02-16 thomas imsg_clear(ibuf);
191 5d43e84d 2018-04-23 stsp return;
192 5d43e84d 2018-04-23 stsp }
193 e033d803 2018-04-23 stsp }
194 e033d803 2018-04-23 stsp
195 e033d803 2018-04-23 stsp static const struct got_error *
196 e033d803 2018-04-23 stsp flush_imsg(struct imsgbuf *ibuf)
197 e033d803 2018-04-23 stsp {
198 e033d803 2018-04-23 stsp const struct got_error *err;
199 e033d803 2018-04-23 stsp
200 3efd8e31 2022-10-23 thomas err = got_poll_fd(ibuf->fd, POLLOUT, INFTIM);
201 e033d803 2018-04-23 stsp if (err)
202 e033d803 2018-04-23 stsp return err;
203 e033d803 2018-04-23 stsp
204 e2752401 2022-02-16 thomas if (imsg_flush(ibuf) == -1) {
205 e2752401 2022-02-16 thomas imsg_clear(ibuf);
206 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_flush");
207 e2752401 2022-02-16 thomas }
208 e033d803 2018-04-23 stsp
209 e033d803 2018-04-23 stsp return NULL;
210 ad242220 2018-09-08 stsp }
211 ad242220 2018-09-08 stsp
212 ad242220 2018-09-08 stsp const struct got_error *
213 e70bf110 2020-03-22 stsp got_privsep_flush_imsg(struct imsgbuf *ibuf)
214 e70bf110 2020-03-22 stsp {
215 e70bf110 2020-03-22 stsp return flush_imsg(ibuf);
216 e70bf110 2020-03-22 stsp }
217 e70bf110 2020-03-22 stsp
218 e70bf110 2020-03-22 stsp const struct got_error *
219 ad242220 2018-09-08 stsp got_privsep_send_stop(int fd)
220 ad242220 2018-09-08 stsp {
221 ad242220 2018-09-08 stsp struct imsgbuf ibuf;
222 ad242220 2018-09-08 stsp
223 ad242220 2018-09-08 stsp imsg_init(&ibuf, fd);
224 ad242220 2018-09-08 stsp
225 ad242220 2018-09-08 stsp if (imsg_compose(&ibuf, GOT_IMSG_STOP, 0, 0, -1, NULL, 0) == -1)
226 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose STOP");
227 ad242220 2018-09-08 stsp
228 a80c83ad 2023-10-28 thomas return flush_imsg(&ibuf);
229 7762fe12 2018-11-05 stsp }
230 93658fb9 2020-03-18 stsp
231 93658fb9 2020-03-18 stsp const struct got_error *
232 d5c81d44 2021-07-08 stsp got_privsep_send_obj_req(struct imsgbuf *ibuf, int fd,
233 d5c81d44 2021-07-08 stsp struct got_object_id *id)
234 ad242220 2018-09-08 stsp {
235 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT_REQUEST, 0, 0, fd,
236 d5c81d44 2021-07-08 stsp id, sizeof(*id)) == -1)
237 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT_REQUEST");
238 59d1e4a0 2021-03-10 stsp
239 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
240 59d1e4a0 2021-03-10 stsp }
241 59d1e4a0 2021-03-10 stsp
242 59d1e4a0 2021-03-10 stsp const struct got_error *
243 d5c81d44 2021-07-08 stsp got_privsep_send_raw_obj_req(struct imsgbuf *ibuf, int fd,
244 d5c81d44 2021-07-08 stsp struct got_object_id *id)
245 59d1e4a0 2021-03-10 stsp {
246 4772e631 2023-11-03 thomas const struct got_error *err;
247 4772e631 2023-11-03 thomas
248 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_OBJECT_REQUEST, 0, 0, fd,
249 4772e631 2023-11-03 thomas id, sizeof(*id)) == -1) {
250 4772e631 2023-11-03 thomas err = got_error_from_errno("imsg_compose RAW_OBJECT_REQUEST");
251 4772e631 2023-11-03 thomas close(fd);
252 4772e631 2023-11-03 thomas return err;
253 4772e631 2023-11-03 thomas }
254 59d1e4a0 2021-03-10 stsp
255 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
256 59d1e4a0 2021-03-10 stsp }
257 59d1e4a0 2021-03-10 stsp
258 59d1e4a0 2021-03-10 stsp const struct got_error *
259 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj_outfd(struct imsgbuf *ibuf, int outfd)
260 59d1e4a0 2021-03-10 stsp {
261 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
262 59d1e4a0 2021-03-10 stsp
263 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_OBJECT_OUTFD, 0, 0, outfd, NULL, 0)
264 59d1e4a0 2021-03-10 stsp == -1) {
265 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_compose RAW_OBJECT_OUTFD");
266 59d1e4a0 2021-03-10 stsp close(outfd);
267 59d1e4a0 2021-03-10 stsp return err;
268 59d1e4a0 2021-03-10 stsp }
269 59d1e4a0 2021-03-10 stsp
270 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
271 59d1e4a0 2021-03-10 stsp }
272 59d1e4a0 2021-03-10 stsp
273 59d1e4a0 2021-03-10 stsp const struct got_error *
274 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj(struct imsgbuf *ibuf, off_t size, size_t hdrlen,
275 59d1e4a0 2021-03-10 stsp uint8_t *data)
276 59d1e4a0 2021-03-10 stsp {
277 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj iobj;
278 59d1e4a0 2021-03-10 stsp size_t len = sizeof(iobj);
279 59d1e4a0 2021-03-10 stsp struct ibuf *wbuf;
280 1785f84a 2018-12-23 stsp
281 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
282 59d1e4a0 2021-03-10 stsp iobj.hdrlen = hdrlen;
283 59d1e4a0 2021-03-10 stsp iobj.size = size;
284 59d1e4a0 2021-03-10 stsp
285 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX)
286 a8591711 2021-06-18 stsp len += (size_t)size + hdrlen;
287 59d1e4a0 2021-03-10 stsp
288 59d1e4a0 2021-03-10 stsp wbuf = imsg_create(ibuf, GOT_IMSG_RAW_OBJECT, 0, 0, len);
289 a80c83ad 2023-10-28 thomas if (wbuf == NULL)
290 a80c83ad 2023-10-28 thomas return got_error_from_errno("imsg_create RAW_OBJECT");
291 59d1e4a0 2021-03-10 stsp
292 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &iobj, sizeof(iobj)) == -1)
293 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add RAW_OBJECT");
294 59d1e4a0 2021-03-10 stsp
295 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
296 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, data, size + hdrlen) == -1)
297 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add RAW_OBJECT");
298 59d1e4a0 2021-03-10 stsp }
299 59d1e4a0 2021-03-10 stsp
300 59d1e4a0 2021-03-10 stsp imsg_close(ibuf, wbuf);
301 1785f84a 2018-12-23 stsp return flush_imsg(ibuf);
302 1785f84a 2018-12-23 stsp }
303 1785f84a 2018-12-23 stsp
304 1785f84a 2018-12-23 stsp const struct got_error *
305 59d1e4a0 2021-03-10 stsp got_privsep_recv_raw_obj(uint8_t **outbuf, off_t *size, size_t *hdrlen,
306 59d1e4a0 2021-03-10 stsp struct imsgbuf *ibuf)
307 59d1e4a0 2021-03-10 stsp {
308 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
309 59d1e4a0 2021-03-10 stsp struct imsg imsg;
310 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj *iobj;
311 59d1e4a0 2021-03-10 stsp size_t datalen;
312 59d1e4a0 2021-03-10 stsp
313 59d1e4a0 2021-03-10 stsp *outbuf = NULL;
314 59d1e4a0 2021-03-10 stsp
315 59d1e4a0 2021-03-10 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
316 59d1e4a0 2021-03-10 stsp if (err)
317 59d1e4a0 2021-03-10 stsp return err;
318 59d1e4a0 2021-03-10 stsp
319 59d1e4a0 2021-03-10 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
320 59d1e4a0 2021-03-10 stsp
321 59d1e4a0 2021-03-10 stsp switch (imsg.hdr.type) {
322 59d1e4a0 2021-03-10 stsp case GOT_IMSG_RAW_OBJECT:
323 59d1e4a0 2021-03-10 stsp if (datalen < sizeof(*iobj)) {
324 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
325 59d1e4a0 2021-03-10 stsp break;
326 59d1e4a0 2021-03-10 stsp }
327 59d1e4a0 2021-03-10 stsp iobj = imsg.data;
328 59d1e4a0 2021-03-10 stsp *size = iobj->size;
329 59d1e4a0 2021-03-10 stsp *hdrlen = iobj->hdrlen;
330 59d1e4a0 2021-03-10 stsp
331 59d1e4a0 2021-03-10 stsp if (datalen == sizeof(*iobj)) {
332 59d1e4a0 2021-03-10 stsp /* Data has been written to file descriptor. */
333 59d1e4a0 2021-03-10 stsp break;
334 59d1e4a0 2021-03-10 stsp }
335 59d1e4a0 2021-03-10 stsp
336 31d32634 2022-06-23 thomas if (*size < 0 ||
337 31d32634 2022-06-23 thomas *size + *hdrlen > GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
338 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
339 59d1e4a0 2021-03-10 stsp break;
340 59d1e4a0 2021-03-10 stsp }
341 59d1e4a0 2021-03-10 stsp
342 a8591711 2021-06-18 stsp *outbuf = malloc(*size + *hdrlen);
343 59d1e4a0 2021-03-10 stsp if (*outbuf == NULL) {
344 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("malloc");
345 59d1e4a0 2021-03-10 stsp break;
346 59d1e4a0 2021-03-10 stsp }
347 a8591711 2021-06-18 stsp memcpy(*outbuf, imsg.data + sizeof(*iobj), *size + *hdrlen);
348 59d1e4a0 2021-03-10 stsp break;
349 59d1e4a0 2021-03-10 stsp default:
350 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
351 59d1e4a0 2021-03-10 stsp break;
352 59d1e4a0 2021-03-10 stsp }
353 59d1e4a0 2021-03-10 stsp
354 59d1e4a0 2021-03-10 stsp imsg_free(&imsg);
355 59d1e4a0 2021-03-10 stsp
356 59d1e4a0 2021-03-10 stsp return err;
357 59d1e4a0 2021-03-10 stsp }
358 59d1e4a0 2021-03-10 stsp
359 59d1e4a0 2021-03-10 stsp const struct got_error *
360 1785f84a 2018-12-23 stsp got_privsep_send_commit_req(struct imsgbuf *ibuf, int fd,
361 1785f84a 2018-12-23 stsp struct got_object_id *id, int pack_idx)
362 1785f84a 2018-12-23 stsp {
363 41496140 2019-02-21 stsp const struct got_error *err = NULL;
364 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
365 d5c81d44 2021-07-08 stsp void *data;
366 1785f84a 2018-12-23 stsp size_t len;
367 1785f84a 2018-12-23 stsp
368 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
369 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* commit is packed */
370 1785f84a 2018-12-23 stsp iobj.idx = pack_idx;
371 b6f67730 2023-02-03 thomas memcpy(&iobj.id, id, sizeof(iobj.id));
372 d5c81d44 2021-07-08 stsp data = &iobj;
373 1785f84a 2018-12-23 stsp len = sizeof(iobj);
374 1785f84a 2018-12-23 stsp } else {
375 d5c81d44 2021-07-08 stsp data = id;
376 d5c81d44 2021-07-08 stsp len = sizeof(*id);
377 1785f84a 2018-12-23 stsp }
378 1785f84a 2018-12-23 stsp
379 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_REQUEST, 0, 0, fd, data, len)
380 41496140 2019-02-21 stsp == -1) {
381 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT_REQUEST");
382 41496140 2019-02-21 stsp close(fd);
383 41496140 2019-02-21 stsp return err;
384 41496140 2019-02-21 stsp }
385 13c729f7 2018-12-24 stsp
386 13c729f7 2018-12-24 stsp return flush_imsg(ibuf);
387 13c729f7 2018-12-24 stsp }
388 13c729f7 2018-12-24 stsp
389 13c729f7 2018-12-24 stsp const struct got_error *
390 13c729f7 2018-12-24 stsp got_privsep_send_tree_req(struct imsgbuf *ibuf, int fd,
391 13c729f7 2018-12-24 stsp struct got_object_id *id, int pack_idx)
392 13c729f7 2018-12-24 stsp {
393 4772e631 2023-11-03 thomas const struct got_error *err;
394 7f358e3b 2019-11-23 stsp struct ibuf *wbuf;
395 d5c81d44 2021-07-08 stsp size_t len;
396 7f358e3b 2019-11-23 stsp
397 d5c81d44 2021-07-08 stsp if (pack_idx != -1)
398 d5c81d44 2021-07-08 stsp len = sizeof(struct got_imsg_packed_object);
399 d5c81d44 2021-07-08 stsp else
400 d5c81d44 2021-07-08 stsp len = sizeof(*id);
401 d5c81d44 2021-07-08 stsp
402 7f358e3b 2019-11-23 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_REQUEST, 0, 0, len);
403 4772e631 2023-11-03 thomas if (wbuf == NULL) {
404 4772e631 2023-11-03 thomas err = got_error_from_errno("imsg_create TREE_REQUEST");
405 4772e631 2023-11-03 thomas if (fd != -1)
406 4772e631 2023-11-03 thomas close(fd);
407 4772e631 2023-11-03 thomas return err;
408 4772e631 2023-11-03 thomas }
409 13c729f7 2018-12-24 stsp
410 4772e631 2023-11-03 thomas if (imsg_add(wbuf, id, sizeof(*id)) == -1) {
411 4772e631 2023-11-03 thomas err = got_error_from_errno("imsg_add TREE_REQUEST");
412 4772e631 2023-11-03 thomas if (fd != -1)
413 4772e631 2023-11-03 thomas close(fd);
414 4772e631 2023-11-03 thomas return err;
415 4772e631 2023-11-03 thomas }
416 13c729f7 2018-12-24 stsp
417 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tree is packed */
418 4772e631 2023-11-03 thomas if (imsg_add(wbuf, &pack_idx, sizeof(pack_idx)) == -1) {
419 4772e631 2023-11-03 thomas err = got_error_from_errno("imsg_add TREE_REQUEST");
420 4772e631 2023-11-03 thomas if (fd != -1)
421 4772e631 2023-11-03 thomas close(fd);
422 4772e631 2023-11-03 thomas return err;
423 4772e631 2023-11-03 thomas }
424 41496140 2019-02-21 stsp }
425 268f7291 2018-12-24 stsp
426 2c29eec0 2023-11-03 thomas ibuf_fd_set(wbuf, fd);
427 7f358e3b 2019-11-23 stsp imsg_close(ibuf, wbuf);
428 7f358e3b 2019-11-23 stsp
429 268f7291 2018-12-24 stsp return flush_imsg(ibuf);
430 268f7291 2018-12-24 stsp }
431 268f7291 2018-12-24 stsp
432 268f7291 2018-12-24 stsp const struct got_error *
433 268f7291 2018-12-24 stsp got_privsep_send_tag_req(struct imsgbuf *ibuf, int fd,
434 268f7291 2018-12-24 stsp struct got_object_id *id, int pack_idx)
435 268f7291 2018-12-24 stsp {
436 4772e631 2023-11-03 thomas const struct got_error *err;
437 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
438 d5c81d44 2021-07-08 stsp void *data;
439 268f7291 2018-12-24 stsp size_t len;
440 268f7291 2018-12-24 stsp
441 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
442 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tag is packed */
443 268f7291 2018-12-24 stsp iobj.idx = pack_idx;
444 b6f67730 2023-02-03 thomas memcpy(&iobj.id, id, sizeof(iobj.id));
445 d5c81d44 2021-07-08 stsp data = &iobj;
446 268f7291 2018-12-24 stsp len = sizeof(iobj);
447 268f7291 2018-12-24 stsp } else {
448 d5c81d44 2021-07-08 stsp data = id;
449 d5c81d44 2021-07-08 stsp len = sizeof(*id);
450 268f7291 2018-12-24 stsp }
451 268f7291 2018-12-24 stsp
452 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_REQUEST, 0, 0, fd, data, len)
453 4772e631 2023-11-03 thomas == -1) {
454 4772e631 2023-11-03 thomas err = got_error_from_errno("imsg_compose TAG_REQUEST");
455 4772e631 2023-11-03 thomas if (fd != -1)
456 4772e631 2023-11-03 thomas close(fd);
457 4772e631 2023-11-03 thomas return err;
458 4772e631 2023-11-03 thomas }
459 7762fe12 2018-11-05 stsp
460 7762fe12 2018-11-05 stsp return flush_imsg(ibuf);
461 7762fe12 2018-11-05 stsp }
462 7762fe12 2018-11-05 stsp
463 7762fe12 2018-11-05 stsp const struct got_error *
464 ebc55e2d 2018-12-24 stsp got_privsep_send_blob_req(struct imsgbuf *ibuf, int infd,
465 ebc55e2d 2018-12-24 stsp struct got_object_id *id, int pack_idx)
466 55da3778 2018-09-10 stsp {
467 41496140 2019-02-21 stsp const struct got_error *err = NULL;
468 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
469 d5c81d44 2021-07-08 stsp void *data;
470 ebc55e2d 2018-12-24 stsp size_t len;
471 ebc55e2d 2018-12-24 stsp
472 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
473 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* blob is packed */
474 ebc55e2d 2018-12-24 stsp iobj.idx = pack_idx;
475 b6f67730 2023-02-03 thomas memcpy(&iobj.id, id, sizeof(iobj.id));
476 d5c81d44 2021-07-08 stsp data = &iobj;
477 ebc55e2d 2018-12-24 stsp len = sizeof(iobj);
478 ebc55e2d 2018-12-24 stsp } else {
479 d5c81d44 2021-07-08 stsp data = id;
480 d5c81d44 2021-07-08 stsp len = sizeof(*id);
481 ebc55e2d 2018-12-24 stsp }
482 ebc55e2d 2018-12-24 stsp
483 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_REQUEST, 0, 0, infd, data, len)
484 41496140 2019-02-21 stsp == -1) {
485 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_REQUEST");
486 41496140 2019-02-21 stsp close(infd);
487 41496140 2019-02-21 stsp return err;
488 41496140 2019-02-21 stsp }
489 ad242220 2018-09-08 stsp
490 55da3778 2018-09-10 stsp return flush_imsg(ibuf);
491 55da3778 2018-09-10 stsp }
492 ad242220 2018-09-08 stsp
493 55da3778 2018-09-10 stsp const struct got_error *
494 55da3778 2018-09-10 stsp got_privsep_send_blob_outfd(struct imsgbuf *ibuf, int outfd)
495 55da3778 2018-09-10 stsp {
496 41496140 2019-02-21 stsp const struct got_error *err = NULL;
497 41496140 2019-02-21 stsp
498 ad242220 2018-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_OUTFD, 0, 0, outfd, NULL, 0)
499 41496140 2019-02-21 stsp == -1) {
500 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_OUTFD");
501 41496140 2019-02-21 stsp close(outfd);
502 41496140 2019-02-21 stsp return err;
503 41496140 2019-02-21 stsp }
504 3840f4c9 2018-09-12 stsp
505 3840f4c9 2018-09-12 stsp return flush_imsg(ibuf);
506 3840f4c9 2018-09-12 stsp }
507 3840f4c9 2018-09-12 stsp
508 73ab1060 2020-03-18 stsp static const struct got_error *
509 73ab1060 2020-03-18 stsp send_fd(struct imsgbuf *ibuf, int imsg_code, int fd)
510 3840f4c9 2018-09-12 stsp {
511 41496140 2019-02-21 stsp const struct got_error *err = NULL;
512 41496140 2019-02-21 stsp
513 73ab1060 2020-03-18 stsp if (imsg_compose(ibuf, imsg_code, 0, 0, fd, NULL, 0) == -1) {
514 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TMPFD");
515 41496140 2019-02-21 stsp close(fd);
516 41496140 2019-02-21 stsp return err;
517 41496140 2019-02-21 stsp }
518 ad242220 2018-09-08 stsp
519 ad242220 2018-09-08 stsp return flush_imsg(ibuf);
520 ad242220 2018-09-08 stsp }
521 ad242220 2018-09-08 stsp
522 ad242220 2018-09-08 stsp const struct got_error *
523 73ab1060 2020-03-18 stsp got_privsep_send_tmpfd(struct imsgbuf *ibuf, int fd)
524 73ab1060 2020-03-18 stsp {
525 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_TMPFD, fd);
526 73ab1060 2020-03-18 stsp }
527 73ab1060 2020-03-18 stsp
528 73ab1060 2020-03-18 stsp const struct got_error *
529 876c234b 2018-09-10 stsp got_privsep_send_obj(struct imsgbuf *ibuf, struct got_object *obj)
530 2178c42e 2018-04-22 stsp {
531 2178c42e 2018-04-22 stsp struct got_imsg_object iobj;
532 1bb2bba2 2022-06-23 thomas
533 1bb2bba2 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
534 2178c42e 2018-04-22 stsp
535 fc842fc8 2023-02-03 thomas memcpy(&iobj.id, &obj->id, sizeof(iobj.id));
536 2178c42e 2018-04-22 stsp iobj.type = obj->type;
537 2178c42e 2018-04-22 stsp iobj.flags = obj->flags;
538 2178c42e 2018-04-22 stsp iobj.hdrlen = obj->hdrlen;
539 2178c42e 2018-04-22 stsp iobj.size = obj->size;
540 c59b3346 2018-09-11 stsp if (iobj.flags & GOT_OBJ_FLAG_PACKED) {
541 876c234b 2018-09-10 stsp iobj.pack_offset = obj->pack_offset;
542 c59b3346 2018-09-11 stsp iobj.pack_idx = obj->pack_idx;
543 c59b3346 2018-09-11 stsp }
544 2178c42e 2018-04-22 stsp
545 2178c42e 2018-04-22 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT, 0, 0, -1, &iobj, sizeof(iobj))
546 2178c42e 2018-04-22 stsp == -1)
547 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT");
548 2178c42e 2018-04-22 stsp
549 c59b3346 2018-09-11 stsp return flush_imsg(ibuf);
550 cfd633c2 2018-09-10 stsp }
551 cfd633c2 2018-09-10 stsp
552 cfd633c2 2018-09-10 stsp const struct got_error *
553 33501562 2020-03-18 stsp got_privsep_send_fetch_req(struct imsgbuf *ibuf, int fd,
554 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs, int fetch_all_branches,
555 abc59930 2021-09-05 naddy struct got_pathlist_head *wanted_branches,
556 9d0a7ee3 2023-02-07 thomas struct got_pathlist_head *wanted_refs, int list_refs_only,
557 7abf1863 2023-02-20 thomas const char *worktree_branch, const char *remote_head,
558 7abf1863 2023-02-20 thomas int no_head, int verbosity)
559 93658fb9 2020-03-18 stsp {
560 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
561 33501562 2020-03-18 stsp struct ibuf *wbuf;
562 33501562 2020-03-18 stsp struct got_pathlist_entry *pe;
563 4ba14133 2020-03-20 stsp struct got_imsg_fetch_request fetchreq;
564 7abf1863 2023-02-20 thomas size_t remote_head_len, worktree_branch_len, len = sizeof(fetchreq);
565 93658fb9 2020-03-18 stsp
566 84073f62 2023-02-07 thomas if (worktree_branch) {
567 84073f62 2023-02-07 thomas worktree_branch_len = strlen(worktree_branch);
568 7abf1863 2023-02-20 thomas len += worktree_branch_len;
569 7abf1863 2023-02-20 thomas }
570 7abf1863 2023-02-20 thomas if (remote_head) {
571 7abf1863 2023-02-20 thomas remote_head_len = strlen(remote_head);
572 7abf1863 2023-02-20 thomas len += remote_head_len;
573 7abf1863 2023-02-20 thomas }
574 9d0a7ee3 2023-02-07 thomas
575 9d0a7ee3 2023-02-07 thomas if (len >= MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
576 9d0a7ee3 2023-02-07 thomas close(fd);
577 9d0a7ee3 2023-02-07 thomas return got_error(GOT_ERR_NO_SPACE);
578 9d0a7ee3 2023-02-07 thomas }
579 9d0a7ee3 2023-02-07 thomas
580 9d0a7ee3 2023-02-07 thomas wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_REQUEST, 0, 0, len);
581 4772e631 2023-11-03 thomas if (wbuf == NULL) {
582 4772e631 2023-11-03 thomas err = got_error_from_errno("imsg_create FETCH_HAVE_REF");
583 4772e631 2023-11-03 thomas close(fd);
584 4772e631 2023-11-03 thomas return err;
585 4772e631 2023-11-03 thomas }
586 9d0a7ee3 2023-02-07 thomas
587 4ba14133 2020-03-20 stsp memset(&fetchreq, 0, sizeof(fetchreq));
588 e0380e3d 2023-02-17 thomas fetchreq.no_head = no_head;
589 4ba14133 2020-03-20 stsp fetchreq.fetch_all_branches = fetch_all_branches;
590 41b0de12 2020-03-21 stsp fetchreq.list_refs_only = list_refs_only;
591 2690194b 2020-03-21 stsp fetchreq.verbosity = verbosity;
592 9d0a7ee3 2023-02-07 thomas if (worktree_branch != NULL)
593 84073f62 2023-02-07 thomas fetchreq.worktree_branch_len = worktree_branch_len;
594 7abf1863 2023-02-20 thomas if (remote_head != NULL)
595 7abf1863 2023-02-20 thomas fetchreq.remote_head_len = remote_head_len;
596 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, have_refs, entry)
597 4ba14133 2020-03-20 stsp fetchreq.n_have_refs++;
598 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry)
599 4ba14133 2020-03-20 stsp fetchreq.n_wanted_branches++;
600 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry)
601 0e4002ca 2020-03-21 stsp fetchreq.n_wanted_refs++;
602 9d0a7ee3 2023-02-07 thomas if (imsg_add(wbuf, &fetchreq, sizeof(fetchreq)) == -1)
603 9d0a7ee3 2023-02-07 thomas return got_error_from_errno("imsg_add FETCH_REQUEST");
604 9d0a7ee3 2023-02-07 thomas if (worktree_branch) {
605 4772e631 2023-11-03 thomas if (imsg_add(wbuf, worktree_branch, worktree_branch_len)
606 4772e631 2023-11-03 thomas == -1) {
607 4772e631 2023-11-03 thomas err = got_error_from_errno("imsg_add FETCH_REQUEST");
608 4772e631 2023-11-03 thomas close(fd);
609 4772e631 2023-11-03 thomas return err;
610 4772e631 2023-11-03 thomas }
611 33501562 2020-03-18 stsp }
612 7abf1863 2023-02-20 thomas if (remote_head) {
613 4772e631 2023-11-03 thomas if (imsg_add(wbuf, remote_head, remote_head_len) == -1) {
614 4772e631 2023-11-03 thomas err = got_error_from_errno("imsg_add FETCH_REQUEST");
615 4772e631 2023-11-03 thomas close(fd);
616 4772e631 2023-11-03 thomas return err;
617 4772e631 2023-11-03 thomas }
618 7abf1863 2023-02-20 thomas }
619 2c29eec0 2023-11-03 thomas ibuf_fd_set(wbuf, fd);
620 4772e631 2023-11-03 thomas fd = -1;
621 9d0a7ee3 2023-02-07 thomas imsg_close(ibuf, wbuf);
622 33501562 2020-03-18 stsp
623 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
624 4772e631 2023-11-03 thomas if (err)
625 659e7fbd 2020-03-20 stsp return err;
626 33501562 2020-03-18 stsp
627 33501562 2020-03-18 stsp TAILQ_FOREACH(pe, have_refs, entry) {
628 33501562 2020-03-18 stsp const char *name = pe->path;
629 33501562 2020-03-18 stsp size_t name_len = pe->path_len;
630 33501562 2020-03-18 stsp struct got_object_id *id = pe->data;
631 33501562 2020-03-18 stsp
632 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_have_ref) + name_len;
633 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_HAVE_REF, 0, 0, len);
634 4ba14133 2020-03-20 stsp if (wbuf == NULL)
635 4ba14133 2020-03-20 stsp return got_error_from_errno("imsg_create FETCH_HAVE_REF");
636 4ba14133 2020-03-20 stsp
637 33501562 2020-03-18 stsp /* Keep in sync with struct got_imsg_fetch_have_ref! */
638 f9f54468 2023-02-03 thomas if (imsg_add(wbuf, id, sizeof(*id)) == -1)
639 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add FETCH_HAVE_REF");
640 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
641 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add FETCH_HAVE_REF");
642 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
643 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add FETCH_HAVE_REF");
644 4ba14133 2020-03-20 stsp
645 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
646 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
647 4ba14133 2020-03-20 stsp if (err)
648 4ba14133 2020-03-20 stsp return err;
649 33501562 2020-03-18 stsp }
650 33501562 2020-03-18 stsp
651 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry) {
652 4ba14133 2020-03-20 stsp const char *name = pe->path;
653 4ba14133 2020-03-20 stsp size_t name_len = pe->path_len;
654 4ba14133 2020-03-20 stsp
655 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_wanted_branch) + name_len;
656 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_BRANCH, 0, 0,
657 4ba14133 2020-03-20 stsp len);
658 4ba14133 2020-03-20 stsp if (wbuf == NULL)
659 4ba14133 2020-03-20 stsp return got_error_from_errno(
660 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_BRANCH");
661 4ba14133 2020-03-20 stsp
662 4ba14133 2020-03-20 stsp /* Keep in sync with struct got_imsg_fetch_wanted_branch! */
663 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
664 e9f1a409 2022-05-19 thomas return got_error_from_errno(
665 4ba14133 2020-03-20 stsp "imsg_add FETCH_WANTED_BRANCH");
666 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
667 e9f1a409 2022-05-19 thomas return got_error_from_errno(
668 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_BRANCH");
669 4ba14133 2020-03-20 stsp
670 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
671 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
672 4ba14133 2020-03-20 stsp if (err)
673 4ba14133 2020-03-20 stsp return err;
674 4ba14133 2020-03-20 stsp }
675 4ba14133 2020-03-20 stsp
676 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry) {
677 0e4002ca 2020-03-21 stsp const char *name = pe->path;
678 0e4002ca 2020-03-21 stsp size_t name_len = pe->path_len;
679 0e4002ca 2020-03-21 stsp
680 0e4002ca 2020-03-21 stsp len = sizeof(struct got_imsg_fetch_wanted_ref) + name_len;
681 0e4002ca 2020-03-21 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_REF, 0, 0,
682 0e4002ca 2020-03-21 stsp len);
683 0e4002ca 2020-03-21 stsp if (wbuf == NULL)
684 0e4002ca 2020-03-21 stsp return got_error_from_errno(
685 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_REF");
686 0e4002ca 2020-03-21 stsp
687 0e4002ca 2020-03-21 stsp /* Keep in sync with struct got_imsg_fetch_wanted_ref! */
688 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
689 e9f1a409 2022-05-19 thomas return got_error_from_errno(
690 0e4002ca 2020-03-21 stsp "imsg_add FETCH_WANTED_REF");
691 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
692 e9f1a409 2022-05-19 thomas return got_error_from_errno(
693 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_REF");
694 0e4002ca 2020-03-21 stsp
695 0e4002ca 2020-03-21 stsp imsg_close(ibuf, wbuf);
696 0e4002ca 2020-03-21 stsp err = flush_imsg(ibuf);
697 0e4002ca 2020-03-21 stsp if (err)
698 0e4002ca 2020-03-21 stsp return err;
699 0e4002ca 2020-03-21 stsp }
700 0e4002ca 2020-03-21 stsp
701 4ba14133 2020-03-20 stsp return NULL;
702 93658fb9 2020-03-18 stsp }
703 93658fb9 2020-03-18 stsp
704 93658fb9 2020-03-18 stsp const struct got_error *
705 f826addf 2020-03-18 stsp got_privsep_send_fetch_outfd(struct imsgbuf *ibuf, int fd)
706 f826addf 2020-03-18 stsp {
707 f826addf 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_FETCH_OUTFD, fd);
708 531c3985 2020-03-18 stsp }
709 531c3985 2020-03-18 stsp
710 531c3985 2020-03-18 stsp const struct got_error *
711 8f2d01a6 2020-03-18 stsp got_privsep_recv_fetch_progress(int *done, struct got_object_id **id,
712 531c3985 2020-03-18 stsp char **refname, struct got_pathlist_head *symrefs, char **server_progress,
713 1d72a2a0 2020-03-24 stsp off_t *packfile_size, uint8_t *pack_sha1, struct imsgbuf *ibuf)
714 b9f99abf 2020-03-18 stsp {
715 b9f99abf 2020-03-18 stsp const struct got_error *err = NULL;
716 b9f99abf 2020-03-18 stsp struct imsg imsg;
717 b9f99abf 2020-03-18 stsp size_t datalen;
718 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symrefs *isymrefs = NULL;
719 abe0f35f 2020-03-18 stsp size_t n, remain;
720 abe0f35f 2020-03-18 stsp off_t off;
721 531c3985 2020-03-18 stsp int i;
722 b9f99abf 2020-03-18 stsp
723 8f2d01a6 2020-03-18 stsp *done = 0;
724 8f2d01a6 2020-03-18 stsp *id = NULL;
725 b9f99abf 2020-03-18 stsp *refname = NULL;
726 531c3985 2020-03-18 stsp *server_progress = NULL;
727 5a489642 2020-03-19 stsp *packfile_size = 0;
728 1d72a2a0 2020-03-24 stsp memset(pack_sha1, 0, SHA1_DIGEST_LENGTH);
729 b9f99abf 2020-03-18 stsp
730 531c3985 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
731 b9f99abf 2020-03-18 stsp if (err)
732 b9f99abf 2020-03-18 stsp return err;
733 b9f99abf 2020-03-18 stsp
734 b9f99abf 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
735 b9f99abf 2020-03-18 stsp switch (imsg.hdr.type) {
736 abe0f35f 2020-03-18 stsp case GOT_IMSG_FETCH_SYMREFS:
737 abe0f35f 2020-03-18 stsp if (datalen < sizeof(*isymrefs)) {
738 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
739 abe0f35f 2020-03-18 stsp break;
740 abe0f35f 2020-03-18 stsp }
741 abe0f35f 2020-03-18 stsp if (isymrefs != NULL) {
742 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
743 abe0f35f 2020-03-18 stsp break;
744 abe0f35f 2020-03-18 stsp }
745 abe0f35f 2020-03-18 stsp isymrefs = (struct got_imsg_fetch_symrefs *)imsg.data;
746 abe0f35f 2020-03-18 stsp off = sizeof(*isymrefs);
747 abe0f35f 2020-03-18 stsp remain = datalen - off;
748 abe0f35f 2020-03-18 stsp for (n = 0; n < isymrefs->nsymrefs; n++) {
749 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symref *s;
750 abe0f35f 2020-03-18 stsp char *name, *target;
751 abe0f35f 2020-03-18 stsp if (remain < sizeof(struct got_imsg_fetch_symref)) {
752 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
753 abe0f35f 2020-03-18 stsp goto done;
754 abe0f35f 2020-03-18 stsp }
755 abe0f35f 2020-03-18 stsp s = (struct got_imsg_fetch_symref *)(imsg.data + off);
756 abe0f35f 2020-03-18 stsp off += sizeof(*s);
757 abe0f35f 2020-03-18 stsp remain -= sizeof(*s);
758 abe0f35f 2020-03-18 stsp if (remain < s->name_len) {
759 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
760 abe0f35f 2020-03-18 stsp goto done;
761 abe0f35f 2020-03-18 stsp }
762 abe0f35f 2020-03-18 stsp name = strndup(imsg.data + off, s->name_len);
763 abe0f35f 2020-03-18 stsp if (name == NULL) {
764 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
765 abe0f35f 2020-03-18 stsp goto done;
766 abe0f35f 2020-03-18 stsp }
767 abe0f35f 2020-03-18 stsp off += s->name_len;
768 abe0f35f 2020-03-18 stsp remain -= s->name_len;
769 abe0f35f 2020-03-18 stsp if (remain < s->target_len) {
770 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
771 abe0f35f 2020-03-18 stsp free(name);
772 abe0f35f 2020-03-18 stsp goto done;
773 abe0f35f 2020-03-18 stsp }
774 abe0f35f 2020-03-18 stsp target = strndup(imsg.data + off, s->target_len);
775 abe0f35f 2020-03-18 stsp if (target == NULL) {
776 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
777 abe0f35f 2020-03-18 stsp free(name);
778 abe0f35f 2020-03-18 stsp goto done;
779 abe0f35f 2020-03-18 stsp }
780 abe0f35f 2020-03-18 stsp off += s->target_len;
781 abe0f35f 2020-03-18 stsp remain -= s->target_len;
782 abe0f35f 2020-03-18 stsp err = got_pathlist_append(symrefs, name, target);
783 abe0f35f 2020-03-18 stsp if (err) {
784 abe0f35f 2020-03-18 stsp free(name);
785 abe0f35f 2020-03-18 stsp free(target);
786 abe0f35f 2020-03-18 stsp goto done;
787 abe0f35f 2020-03-18 stsp }
788 abe0f35f 2020-03-18 stsp }
789 abe0f35f 2020-03-18 stsp break;
790 ea7396b9 2020-03-18 stsp case GOT_IMSG_FETCH_REF:
791 9228a15c 2023-02-03 thomas if (datalen <= sizeof(**id)) {
792 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
793 531c3985 2020-03-18 stsp break;
794 531c3985 2020-03-18 stsp }
795 8f2d01a6 2020-03-18 stsp *id = malloc(sizeof(**id));
796 8f2d01a6 2020-03-18 stsp if (*id == NULL) {
797 b9f99abf 2020-03-18 stsp err = got_error_from_errno("malloc");
798 b9f99abf 2020-03-18 stsp break;
799 b9f99abf 2020-03-18 stsp }
800 9228a15c 2023-02-03 thomas memcpy(*id, imsg.data, sizeof(**id));
801 9228a15c 2023-02-03 thomas *refname = strndup(imsg.data + sizeof(**id),
802 9228a15c 2023-02-03 thomas datalen - sizeof(**id));
803 b9f99abf 2020-03-18 stsp if (*refname == NULL) {
804 b9f99abf 2020-03-18 stsp err = got_error_from_errno("strndup");
805 8f2d01a6 2020-03-18 stsp break;
806 8f2d01a6 2020-03-18 stsp }
807 8f2d01a6 2020-03-18 stsp break;
808 531c3985 2020-03-18 stsp case GOT_IMSG_FETCH_SERVER_PROGRESS:
809 531c3985 2020-03-18 stsp if (datalen == 0) {
810 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
811 531c3985 2020-03-18 stsp break;
812 531c3985 2020-03-18 stsp }
813 531c3985 2020-03-18 stsp *server_progress = strndup(imsg.data, datalen);
814 531c3985 2020-03-18 stsp if (*server_progress == NULL) {
815 531c3985 2020-03-18 stsp err = got_error_from_errno("strndup");
816 531c3985 2020-03-18 stsp break;
817 531c3985 2020-03-18 stsp }
818 531c3985 2020-03-18 stsp for (i = 0; i < datalen; i++) {
819 531c3985 2020-03-18 stsp if (!isprint((unsigned char)(*server_progress)[i]) &&
820 531c3985 2020-03-18 stsp !isspace((unsigned char)(*server_progress)[i])) {
821 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
822 531c3985 2020-03-18 stsp free(*server_progress);
823 531c3985 2020-03-18 stsp *server_progress = NULL;
824 531c3985 2020-03-18 stsp goto done;
825 531c3985 2020-03-18 stsp }
826 531c3985 2020-03-18 stsp }
827 531c3985 2020-03-18 stsp break;
828 d2cdc636 2020-03-18 stsp case GOT_IMSG_FETCH_DOWNLOAD_PROGRESS:
829 d2cdc636 2020-03-18 stsp if (datalen < sizeof(*packfile_size)) {
830 d2cdc636 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
831 d2cdc636 2020-03-18 stsp break;
832 d2cdc636 2020-03-18 stsp }
833 d2cdc636 2020-03-18 stsp memcpy(packfile_size, imsg.data, sizeof(*packfile_size));
834 d2cdc636 2020-03-18 stsp break;
835 8f2d01a6 2020-03-18 stsp case GOT_IMSG_FETCH_DONE:
836 8f2d01a6 2020-03-18 stsp if (datalen != SHA1_DIGEST_LENGTH) {
837 8f2d01a6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
838 8f2d01a6 2020-03-18 stsp break;
839 8f2d01a6 2020-03-18 stsp }
840 1d72a2a0 2020-03-24 stsp memcpy(pack_sha1, imsg.data, SHA1_DIGEST_LENGTH);
841 8f2d01a6 2020-03-18 stsp *done = 1;
842 b9f99abf 2020-03-18 stsp break;
843 b9f99abf 2020-03-18 stsp default:
844 b887aab6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
845 b887aab6 2020-03-18 stsp break;
846 b9f99abf 2020-03-18 stsp }
847 abe0f35f 2020-03-18 stsp done:
848 b887aab6 2020-03-18 stsp if (err) {
849 8f2d01a6 2020-03-18 stsp free(*id);
850 8f2d01a6 2020-03-18 stsp *id = NULL;
851 b887aab6 2020-03-18 stsp free(*refname);
852 b887aab6 2020-03-18 stsp *refname = NULL;
853 f8a36e22 2021-08-26 stsp }
854 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
855 f8a36e22 2021-08-26 stsp return err;
856 f8a36e22 2021-08-26 stsp }
857 f8a36e22 2021-08-26 stsp
858 f8a36e22 2021-08-26 stsp static const struct got_error *
859 f8a36e22 2021-08-26 stsp send_send_ref(const char *name, size_t name_len, struct got_object_id *id,
860 f8a36e22 2021-08-26 stsp int delete, struct imsgbuf *ibuf)
861 f8a36e22 2021-08-26 stsp {
862 f8a36e22 2021-08-26 stsp size_t len;
863 f8a36e22 2021-08-26 stsp struct ibuf *wbuf;
864 f8a36e22 2021-08-26 stsp
865 f8a36e22 2021-08-26 stsp len = sizeof(struct got_imsg_send_ref) + name_len;
866 f8a36e22 2021-08-26 stsp wbuf = imsg_create(ibuf, GOT_IMSG_SEND_REF, 0, 0, len);
867 f8a36e22 2021-08-26 stsp if (wbuf == NULL)
868 f8a36e22 2021-08-26 stsp return got_error_from_errno("imsg_create SEND_REF");
869 f8a36e22 2021-08-26 stsp
870 f8a36e22 2021-08-26 stsp /* Keep in sync with struct got_imsg_send_ref! */
871 ea58e974 2023-02-03 thomas if (imsg_add(wbuf, id, sizeof(*id)) == -1)
872 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
873 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &delete, sizeof(delete)) == -1)
874 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
875 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
876 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
877 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
878 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
879 f8a36e22 2021-08-26 stsp
880 f8a36e22 2021-08-26 stsp imsg_close(ibuf, wbuf);
881 f8a36e22 2021-08-26 stsp return flush_imsg(ibuf);
882 f8a36e22 2021-08-26 stsp }
883 f8a36e22 2021-08-26 stsp
884 f8a36e22 2021-08-26 stsp const struct got_error *
885 f8a36e22 2021-08-26 stsp got_privsep_send_send_req(struct imsgbuf *ibuf, int fd,
886 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs,
887 abc59930 2021-09-05 naddy struct got_pathlist_head *delete_refs,
888 abc59930 2021-09-05 naddy int verbosity)
889 f8a36e22 2021-08-26 stsp {
890 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
891 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *pe;
892 f8a36e22 2021-08-26 stsp struct got_imsg_send_request sendreq;
893 f8a36e22 2021-08-26 stsp struct got_object_id zero_id;
894 f8a36e22 2021-08-26 stsp
895 f8a36e22 2021-08-26 stsp memset(&zero_id, 0, sizeof(zero_id));
896 f8a36e22 2021-08-26 stsp memset(&sendreq, 0, sizeof(sendreq));
897 f8a36e22 2021-08-26 stsp sendreq.verbosity = verbosity;
898 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry)
899 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
900 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry)
901 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
902 f8a36e22 2021-08-26 stsp if (imsg_compose(ibuf, GOT_IMSG_SEND_REQUEST, 0, 0, fd,
903 f8a36e22 2021-08-26 stsp &sendreq, sizeof(sendreq)) == -1) {
904 f8a36e22 2021-08-26 stsp err = got_error_from_errno(
905 f8a36e22 2021-08-26 stsp "imsg_compose FETCH_SERVER_PROGRESS");
906 f8a36e22 2021-08-26 stsp goto done;
907 f8a36e22 2021-08-26 stsp }
908 f8a36e22 2021-08-26 stsp
909 4772e631 2023-11-03 thomas fd = -1;
910 f8a36e22 2021-08-26 stsp err = flush_imsg(ibuf);
911 f8a36e22 2021-08-26 stsp if (err)
912 f8a36e22 2021-08-26 stsp goto done;
913 f8a36e22 2021-08-26 stsp
914 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry) {
915 f8a36e22 2021-08-26 stsp const char *name = pe->path;
916 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
917 f8a36e22 2021-08-26 stsp struct got_object_id *id = pe->data;
918 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, id, 0, ibuf);
919 f8a36e22 2021-08-26 stsp if (err)
920 f8a36e22 2021-08-26 stsp goto done;
921 f8a36e22 2021-08-26 stsp }
922 f8a36e22 2021-08-26 stsp
923 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry) {
924 f8a36e22 2021-08-26 stsp const char *name = pe->path;
925 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
926 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, &zero_id, 1, ibuf);
927 f8a36e22 2021-08-26 stsp if (err)
928 f8a36e22 2021-08-26 stsp goto done;
929 f8a36e22 2021-08-26 stsp }
930 f8a36e22 2021-08-26 stsp done:
931 f8a36e22 2021-08-26 stsp if (fd != -1 && close(fd) == -1 && err == NULL)
932 f8a36e22 2021-08-26 stsp err = got_error_from_errno("close");
933 f8a36e22 2021-08-26 stsp return err;
934 f8a36e22 2021-08-26 stsp }
935 f8a36e22 2021-08-26 stsp
936 f8a36e22 2021-08-26 stsp const struct got_error *
937 f8a36e22 2021-08-26 stsp got_privsep_recv_send_remote_refs(struct got_pathlist_head *remote_refs,
938 f8a36e22 2021-08-26 stsp struct imsgbuf *ibuf)
939 f8a36e22 2021-08-26 stsp {
940 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
941 f8a36e22 2021-08-26 stsp struct imsg imsg;
942 f8a36e22 2021-08-26 stsp size_t datalen;
943 f8a36e22 2021-08-26 stsp int done = 0;
944 f8a36e22 2021-08-26 stsp struct got_imsg_send_remote_ref iremote_ref;
945 f8a36e22 2021-08-26 stsp struct got_object_id *id = NULL;
946 f8a36e22 2021-08-26 stsp char *refname = NULL;
947 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *new;
948 f8a36e22 2021-08-26 stsp
949 f8a36e22 2021-08-26 stsp while (!done) {
950 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
951 f8a36e22 2021-08-26 stsp if (err)
952 f8a36e22 2021-08-26 stsp return err;
953 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
954 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
955 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REMOTE_REF:
956 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iremote_ref)) {
957 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
958 f8a36e22 2021-08-26 stsp goto done;
959 f8a36e22 2021-08-26 stsp }
960 f8a36e22 2021-08-26 stsp memcpy(&iremote_ref, imsg.data, sizeof(iremote_ref));
961 f8a36e22 2021-08-26 stsp if (datalen != sizeof(iremote_ref) +
962 f8a36e22 2021-08-26 stsp iremote_ref.name_len) {
963 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
964 f8a36e22 2021-08-26 stsp goto done;
965 f8a36e22 2021-08-26 stsp }
966 f8a36e22 2021-08-26 stsp id = malloc(sizeof(*id));
967 f8a36e22 2021-08-26 stsp if (id == NULL) {
968 f8a36e22 2021-08-26 stsp err = got_error_from_errno("malloc");
969 f8a36e22 2021-08-26 stsp goto done;
970 f8a36e22 2021-08-26 stsp }
971 0f23036a 2023-02-03 thomas memcpy(id, &iremote_ref.id, sizeof(*id));
972 f8a36e22 2021-08-26 stsp refname = strndup(imsg.data + sizeof(iremote_ref),
973 f8a36e22 2021-08-26 stsp datalen - sizeof(iremote_ref));
974 f8a36e22 2021-08-26 stsp if (refname == NULL) {
975 f8a36e22 2021-08-26 stsp err = got_error_from_errno("strndup");
976 f8a36e22 2021-08-26 stsp goto done;
977 f8a36e22 2021-08-26 stsp }
978 f8a36e22 2021-08-26 stsp err = got_pathlist_insert(&new, remote_refs,
979 f8a36e22 2021-08-26 stsp refname, id);
980 f8a36e22 2021-08-26 stsp if (err)
981 f8a36e22 2021-08-26 stsp goto done;
982 f8a36e22 2021-08-26 stsp if (new == NULL) { /* duplicate which wasn't inserted */
983 f8a36e22 2021-08-26 stsp free(id);
984 f8a36e22 2021-08-26 stsp free(refname);
985 f8a36e22 2021-08-26 stsp }
986 f8a36e22 2021-08-26 stsp id = NULL;
987 f8a36e22 2021-08-26 stsp refname = NULL;
988 f8a36e22 2021-08-26 stsp break;
989 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_PACK_REQUEST:
990 f8a36e22 2021-08-26 stsp if (datalen != 0) {
991 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
992 f8a36e22 2021-08-26 stsp goto done;
993 f8a36e22 2021-08-26 stsp }
994 f8a36e22 2021-08-26 stsp /* got-send-pack is now waiting for a pack file. */
995 f8a36e22 2021-08-26 stsp done = 1;
996 f8a36e22 2021-08-26 stsp break;
997 f8a36e22 2021-08-26 stsp default:
998 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
999 f8a36e22 2021-08-26 stsp break;
1000 f8a36e22 2021-08-26 stsp }
1001 b887aab6 2020-03-18 stsp }
1002 f8a36e22 2021-08-26 stsp done:
1003 f8a36e22 2021-08-26 stsp free(id);
1004 f8a36e22 2021-08-26 stsp free(refname);
1005 b9f99abf 2020-03-18 stsp imsg_free(&imsg);
1006 b9f99abf 2020-03-18 stsp return err;
1007 93658fb9 2020-03-18 stsp }
1008 93658fb9 2020-03-18 stsp
1009 93658fb9 2020-03-18 stsp const struct got_error *
1010 f8a36e22 2021-08-26 stsp got_privsep_send_packfd(struct imsgbuf *ibuf, int fd)
1011 f8a36e22 2021-08-26 stsp {
1012 f8a36e22 2021-08-26 stsp return send_fd(ibuf, GOT_IMSG_SEND_PACKFD, fd);
1013 f8a36e22 2021-08-26 stsp }
1014 f8a36e22 2021-08-26 stsp
1015 f8a36e22 2021-08-26 stsp const struct got_error *
1016 f8a36e22 2021-08-26 stsp got_privsep_recv_send_progress(int *done, off_t *bytes_sent,
1017 3fe5d0fe 2022-11-17 thomas int *success, char **refname, char **errmsg, struct imsgbuf *ibuf)
1018 f8a36e22 2021-08-26 stsp {
1019 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
1020 f8a36e22 2021-08-26 stsp struct imsg imsg;
1021 f8a36e22 2021-08-26 stsp size_t datalen;
1022 f8a36e22 2021-08-26 stsp struct got_imsg_send_ref_status iref_status;
1023 f8a36e22 2021-08-26 stsp
1024 f8a36e22 2021-08-26 stsp /* Do not reset the current value of 'bytes_sent', it accumulates. */
1025 f8a36e22 2021-08-26 stsp *done = 0;
1026 f8a36e22 2021-08-26 stsp *success = 0;
1027 f8a36e22 2021-08-26 stsp *refname = NULL;
1028 3fe5d0fe 2022-11-17 thomas *errmsg = NULL;
1029 f8a36e22 2021-08-26 stsp
1030 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1031 f8a36e22 2021-08-26 stsp if (err)
1032 f8a36e22 2021-08-26 stsp return err;
1033 f8a36e22 2021-08-26 stsp
1034 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1035 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
1036 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_UPLOAD_PROGRESS:
1037 f8a36e22 2021-08-26 stsp if (datalen < sizeof(*bytes_sent)) {
1038 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1039 f8a36e22 2021-08-26 stsp break;
1040 f8a36e22 2021-08-26 stsp }
1041 f8a36e22 2021-08-26 stsp memcpy(bytes_sent, imsg.data, sizeof(*bytes_sent));
1042 f8a36e22 2021-08-26 stsp break;
1043 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REF_STATUS:
1044 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iref_status)) {
1045 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1046 f8a36e22 2021-08-26 stsp break;
1047 f8a36e22 2021-08-26 stsp }
1048 f8a36e22 2021-08-26 stsp memcpy(&iref_status, imsg.data, sizeof(iref_status));
1049 3fe5d0fe 2022-11-17 thomas if (datalen != sizeof(iref_status) + iref_status.name_len +
1050 3fe5d0fe 2022-11-17 thomas iref_status.errmsg_len) {
1051 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1052 f8a36e22 2021-08-26 stsp break;
1053 f8a36e22 2021-08-26 stsp }
1054 f8a36e22 2021-08-26 stsp *success = iref_status.success;
1055 f8a36e22 2021-08-26 stsp *refname = strndup(imsg.data + sizeof(iref_status),
1056 f8a36e22 2021-08-26 stsp iref_status.name_len);
1057 3fe5d0fe 2022-11-17 thomas
1058 3fe5d0fe 2022-11-17 thomas if (iref_status.errmsg_len != 0)
1059 3fe5d0fe 2022-11-17 thomas *errmsg = strndup(imsg.data + sizeof(iref_status) +
1060 3fe5d0fe 2022-11-17 thomas iref_status.name_len, iref_status.errmsg_len);
1061 f8a36e22 2021-08-26 stsp break;
1062 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_DONE:
1063 f8a36e22 2021-08-26 stsp if (datalen != 0) {
1064 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1065 f8a36e22 2021-08-26 stsp break;
1066 f8a36e22 2021-08-26 stsp }
1067 f8a36e22 2021-08-26 stsp *done = 1;
1068 f8a36e22 2021-08-26 stsp break;
1069 f8a36e22 2021-08-26 stsp default:
1070 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1071 f8a36e22 2021-08-26 stsp break;
1072 f8a36e22 2021-08-26 stsp }
1073 f8a36e22 2021-08-26 stsp
1074 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
1075 f8a36e22 2021-08-26 stsp return err;
1076 f8a36e22 2021-08-26 stsp }
1077 f8a36e22 2021-08-26 stsp
1078 f8a36e22 2021-08-26 stsp const struct got_error *
1079 fd251256 2020-03-24 stsp got_privsep_send_index_pack_req(struct imsgbuf *ibuf, uint8_t *pack_sha1,
1080 668a20f6 2020-03-18 stsp int fd)
1081 93658fb9 2020-03-18 stsp {
1082 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1083 93658fb9 2020-03-18 stsp
1084 668a20f6 2020-03-18 stsp /* Keep in sync with struct got_imsg_index_pack_request */
1085 93658fb9 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_IDXPACK_REQUEST, 0, 0, fd,
1086 fd251256 2020-03-24 stsp pack_sha1, SHA1_DIGEST_LENGTH) == -1) {
1087 93658fb9 2020-03-18 stsp err = got_error_from_errno("imsg_compose INDEX_REQUEST");
1088 93658fb9 2020-03-18 stsp close(fd);
1089 93658fb9 2020-03-18 stsp return err;
1090 93658fb9 2020-03-18 stsp }
1091 baa9fea0 2020-03-18 stsp return flush_imsg(ibuf);
1092 baa9fea0 2020-03-18 stsp }
1093 baa9fea0 2020-03-18 stsp
1094 baa9fea0 2020-03-18 stsp const struct got_error *
1095 73ab1060 2020-03-18 stsp got_privsep_send_index_pack_outfd(struct imsgbuf *ibuf, int fd)
1096 73ab1060 2020-03-18 stsp {
1097 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_IDXPACK_OUTFD, fd);
1098 73ab1060 2020-03-18 stsp }
1099 73ab1060 2020-03-18 stsp
1100 73ab1060 2020-03-18 stsp const struct got_error *
1101 668a20f6 2020-03-18 stsp got_privsep_recv_index_progress(int *done, int *nobj_total,
1102 668a20f6 2020-03-18 stsp int *nobj_indexed, int *nobj_loose, int *nobj_resolved,
1103 668a20f6 2020-03-18 stsp struct imsgbuf *ibuf)
1104 93658fb9 2020-03-18 stsp {
1105 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1106 93658fb9 2020-03-18 stsp struct imsg imsg;
1107 baa9fea0 2020-03-18 stsp struct got_imsg_index_pack_progress *iprogress;
1108 baa9fea0 2020-03-18 stsp size_t datalen;
1109 93658fb9 2020-03-18 stsp
1110 baa9fea0 2020-03-18 stsp *done = 0;
1111 668a20f6 2020-03-18 stsp *nobj_total = 0;
1112 668a20f6 2020-03-18 stsp *nobj_indexed = 0;
1113 668a20f6 2020-03-18 stsp *nobj_resolved = 0;
1114 baa9fea0 2020-03-18 stsp
1115 93658fb9 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1116 93658fb9 2020-03-18 stsp if (err)
1117 93658fb9 2020-03-18 stsp return err;
1118 baa9fea0 2020-03-18 stsp
1119 baa9fea0 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1120 baa9fea0 2020-03-18 stsp switch (imsg.hdr.type) {
1121 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_PROGRESS:
1122 baa9fea0 2020-03-18 stsp if (datalen < sizeof(*iprogress)) {
1123 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1124 baa9fea0 2020-03-18 stsp break;
1125 baa9fea0 2020-03-18 stsp }
1126 baa9fea0 2020-03-18 stsp iprogress = (struct got_imsg_index_pack_progress *)imsg.data;
1127 31d32634 2022-06-23 thomas if (iprogress->nobj_total < 0 || iprogress->nobj_indexed < 0 ||
1128 31d32634 2022-06-23 thomas iprogress->nobj_loose < 0 || iprogress->nobj_resolved < 0) {
1129 31d32634 2022-06-23 thomas err = got_error(GOT_ERR_RANGE);
1130 31d32634 2022-06-23 thomas break;
1131 31d32634 2022-06-23 thomas }
1132 668a20f6 2020-03-18 stsp *nobj_total = iprogress->nobj_total;
1133 668a20f6 2020-03-18 stsp *nobj_indexed = iprogress->nobj_indexed;
1134 668a20f6 2020-03-18 stsp *nobj_loose = iprogress->nobj_loose;
1135 668a20f6 2020-03-18 stsp *nobj_resolved = iprogress->nobj_resolved;
1136 baa9fea0 2020-03-18 stsp break;
1137 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_DONE:
1138 baa9fea0 2020-03-18 stsp if (datalen != 0) {
1139 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1140 baa9fea0 2020-03-18 stsp break;
1141 baa9fea0 2020-03-18 stsp }
1142 baa9fea0 2020-03-18 stsp *done = 1;
1143 baa9fea0 2020-03-18 stsp break;
1144 baa9fea0 2020-03-18 stsp default:
1145 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1146 baa9fea0 2020-03-18 stsp break;
1147 baa9fea0 2020-03-18 stsp }
1148 baa9fea0 2020-03-18 stsp
1149 93658fb9 2020-03-18 stsp imsg_free(&imsg);
1150 baa9fea0 2020-03-18 stsp return err;
1151 93658fb9 2020-03-18 stsp }
1152 93658fb9 2020-03-18 stsp
1153 93658fb9 2020-03-18 stsp const struct got_error *
1154 cfd633c2 2018-09-10 stsp got_privsep_get_imsg_obj(struct got_object **obj, struct imsg *imsg,
1155 cfd633c2 2018-09-10 stsp struct imsgbuf *ibuf)
1156 cfd633c2 2018-09-10 stsp {
1157 291624d8 2018-11-07 stsp struct got_imsg_object *iobj;
1158 cfd633c2 2018-09-10 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1159 cfd633c2 2018-09-10 stsp
1160 291624d8 2018-11-07 stsp if (datalen != sizeof(*iobj))
1161 cfd633c2 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1162 291624d8 2018-11-07 stsp iobj = imsg->data;
1163 cfd633c2 2018-09-10 stsp
1164 31d32634 2022-06-23 thomas if (iobj->pack_offset < 0)
1165 31d32634 2022-06-23 thomas return got_error(GOT_ERR_PACK_OFFSET);
1166 31d32634 2022-06-23 thomas
1167 cfd633c2 2018-09-10 stsp *obj = calloc(1, sizeof(**obj));
1168 cfd633c2 2018-09-10 stsp if (*obj == NULL)
1169 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
1170 cfd633c2 2018-09-10 stsp
1171 fc842fc8 2023-02-03 thomas memcpy(&(*obj)->id, &iobj->id, sizeof(iobj->id));
1172 291624d8 2018-11-07 stsp (*obj)->type = iobj->type;
1173 291624d8 2018-11-07 stsp (*obj)->flags = iobj->flags;
1174 291624d8 2018-11-07 stsp (*obj)->hdrlen = iobj->hdrlen;
1175 291624d8 2018-11-07 stsp (*obj)->size = iobj->size;
1176 c59b3346 2018-09-11 stsp /* path_packfile is handled by caller */
1177 291624d8 2018-11-07 stsp if (iobj->flags & GOT_OBJ_FLAG_PACKED) {
1178 291624d8 2018-11-07 stsp (*obj)->pack_offset = iobj->pack_offset;
1179 291624d8 2018-11-07 stsp (*obj)->pack_idx = iobj->pack_idx;
1180 876c234b 2018-09-10 stsp }
1181 772802ae 2022-01-27 thomas STAILQ_INIT(&(*obj)->deltas.entries);
1182 772802ae 2022-01-27 thomas return NULL;
1183 876c234b 2018-09-10 stsp }
1184 876c234b 2018-09-10 stsp
1185 2178c42e 2018-04-22 stsp const struct got_error *
1186 2178c42e 2018-04-22 stsp got_privsep_recv_obj(struct got_object **obj, struct imsgbuf *ibuf)
1187 2178c42e 2018-04-22 stsp {
1188 2178c42e 2018-04-22 stsp const struct got_error *err = NULL;
1189 2178c42e 2018-04-22 stsp struct imsg imsg;
1190 202f996b 2024-03-02 thomas const size_t min_datalen = sizeof(struct got_imsg_object);
1191 2178c42e 2018-04-22 stsp
1192 2178c42e 2018-04-22 stsp *obj = NULL;
1193 2178c42e 2018-04-22 stsp
1194 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1195 2178c42e 2018-04-22 stsp if (err)
1196 2178c42e 2018-04-22 stsp return err;
1197 2178c42e 2018-04-22 stsp
1198 2178c42e 2018-04-22 stsp switch (imsg.hdr.type) {
1199 2178c42e 2018-04-22 stsp case GOT_IMSG_OBJECT:
1200 cfd633c2 2018-09-10 stsp err = got_privsep_get_imsg_obj(obj, &imsg, ibuf);
1201 bff6ca00 2018-04-23 stsp break;
1202 bff6ca00 2018-04-23 stsp default:
1203 bff6ca00 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1204 bff6ca00 2018-04-23 stsp break;
1205 bff6ca00 2018-04-23 stsp }
1206 bff6ca00 2018-04-23 stsp
1207 bff6ca00 2018-04-23 stsp imsg_free(&imsg);
1208 bff6ca00 2018-04-23 stsp
1209 bff6ca00 2018-04-23 stsp return err;
1210 c75f7264 2018-09-11 stsp }
1211 c75f7264 2018-09-11 stsp
1212 c75f7264 2018-09-11 stsp static const struct got_error *
1213 c75f7264 2018-09-11 stsp send_commit_logmsg(struct imsgbuf *ibuf, struct got_commit_object *commit,
1214 c75f7264 2018-09-11 stsp size_t logmsg_len)
1215 c75f7264 2018-09-11 stsp {
1216 fa4ffeb3 2018-11-04 stsp const struct got_error *err = NULL;
1217 c75f7264 2018-09-11 stsp size_t offset, remain;
1218 c75f7264 2018-09-11 stsp
1219 c75f7264 2018-09-11 stsp offset = 0;
1220 c75f7264 2018-09-11 stsp remain = logmsg_len;
1221 c75f7264 2018-09-11 stsp while (remain > 0) {
1222 c75f7264 2018-09-11 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1223 c75f7264 2018-09-11 stsp
1224 c75f7264 2018-09-11 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_LOGMSG, 0, 0, -1,
1225 fa4ffeb3 2018-11-04 stsp commit->logmsg + offset, n) == -1) {
1226 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose "
1227 230a42bd 2019-05-11 jcs "COMMIT_LOGMSG");
1228 fa4ffeb3 2018-11-04 stsp break;
1229 fa4ffeb3 2018-11-04 stsp }
1230 c75f7264 2018-09-11 stsp
1231 fa4ffeb3 2018-11-04 stsp err = flush_imsg(ibuf);
1232 fa4ffeb3 2018-11-04 stsp if (err)
1233 fa4ffeb3 2018-11-04 stsp break;
1234 c75f7264 2018-09-11 stsp
1235 c75f7264 2018-09-11 stsp offset += n;
1236 c75f7264 2018-09-11 stsp remain -= n;
1237 c75f7264 2018-09-11 stsp }
1238 c75f7264 2018-09-11 stsp
1239 fa4ffeb3 2018-11-04 stsp return err;
1240 bff6ca00 2018-04-23 stsp }
1241 bff6ca00 2018-04-23 stsp
1242 bff6ca00 2018-04-23 stsp const struct got_error *
1243 068fd2bf 2018-04-24 stsp got_privsep_send_commit(struct imsgbuf *ibuf, struct got_commit_object *commit)
1244 bff6ca00 2018-04-23 stsp {
1245 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1246 b9c33926 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1247 bff6ca00 2018-04-23 stsp uint8_t *buf;
1248 bff6ca00 2018-04-23 stsp size_t len, total;
1249 79f35eb3 2018-06-11 stsp struct got_object_qid *qid;
1250 b9c33926 2018-11-07 stsp size_t author_len = strlen(commit->author);
1251 b9c33926 2018-11-07 stsp size_t committer_len = strlen(commit->committer);
1252 c75f7264 2018-09-11 stsp size_t logmsg_len = strlen(commit->logmsg);
1253 bff6ca00 2018-04-23 stsp
1254 b9c33926 2018-11-07 stsp total = sizeof(*icommit) + author_len + committer_len +
1255 e4c85b49 2023-02-03 thomas commit->nparents * sizeof(struct got_object_id);
1256 bff6ca00 2018-04-23 stsp
1257 bff6ca00 2018-04-23 stsp buf = malloc(total);
1258 bff6ca00 2018-04-23 stsp if (buf == NULL)
1259 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1260 bff6ca00 2018-04-23 stsp
1261 b9c33926 2018-11-07 stsp icommit = (struct got_imsg_commit_object *)buf;
1262 e4c85b49 2023-02-03 thomas memcpy(&icommit->tree_id, commit->tree_id, sizeof(icommit->tree_id));
1263 b9c33926 2018-11-07 stsp icommit->author_len = author_len;
1264 b9c33926 2018-11-07 stsp icommit->author_time = commit->author_time;
1265 b9c33926 2018-11-07 stsp icommit->author_gmtoff = commit->author_gmtoff;
1266 b9c33926 2018-11-07 stsp icommit->committer_len = committer_len;
1267 b9c33926 2018-11-07 stsp icommit->committer_time = commit->committer_time;
1268 b9c33926 2018-11-07 stsp icommit->committer_gmtoff = commit->committer_gmtoff;
1269 b9c33926 2018-11-07 stsp icommit->logmsg_len = logmsg_len;
1270 b9c33926 2018-11-07 stsp icommit->nparents = commit->nparents;
1271 b9c33926 2018-11-07 stsp
1272 b9c33926 2018-11-07 stsp len = sizeof(*icommit);
1273 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->author, author_len);
1274 b9c33926 2018-11-07 stsp len += author_len;
1275 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->committer, committer_len);
1276 b9c33926 2018-11-07 stsp len += committer_len;
1277 dbdddfee 2021-06-23 naddy STAILQ_FOREACH(qid, &commit->parent_ids, entry) {
1278 e4c85b49 2023-02-03 thomas memcpy(buf + len, &qid->id, sizeof(qid->id));
1279 e4c85b49 2023-02-03 thomas len += sizeof(qid->id);
1280 bff6ca00 2018-04-23 stsp }
1281 bff6ca00 2018-04-23 stsp
1282 bff6ca00 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT, 0, 0, -1, buf, len) == -1) {
1283 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT");
1284 bff6ca00 2018-04-23 stsp goto done;
1285 bff6ca00 2018-04-23 stsp }
1286 bff6ca00 2018-04-23 stsp
1287 904df868 2018-11-04 stsp if (logmsg_len == 0 ||
1288 904df868 2018-11-04 stsp logmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1289 904df868 2018-11-04 stsp err = flush_imsg(ibuf);
1290 904df868 2018-11-04 stsp if (err)
1291 904df868 2018-11-04 stsp goto done;
1292 904df868 2018-11-04 stsp }
1293 c75f7264 2018-09-11 stsp err = send_commit_logmsg(ibuf, commit, logmsg_len);
1294 bff6ca00 2018-04-23 stsp done:
1295 bff6ca00 2018-04-23 stsp free(buf);
1296 bff6ca00 2018-04-23 stsp return err;
1297 bff6ca00 2018-04-23 stsp }
1298 cfd633c2 2018-09-10 stsp
1299 ca6e02ac 2020-01-07 stsp static const struct got_error *
1300 ca6e02ac 2020-01-07 stsp get_commit_from_imsg(struct got_commit_object **commit,
1301 ca6e02ac 2020-01-07 stsp struct imsg *imsg, size_t datalen, struct imsgbuf *ibuf)
1302 bff6ca00 2018-04-23 stsp {
1303 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1304 291624d8 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1305 ca6e02ac 2020-01-07 stsp size_t len = 0;
1306 bff6ca00 2018-04-23 stsp int i;
1307 bff6ca00 2018-04-23 stsp
1308 ca6e02ac 2020-01-07 stsp if (datalen < sizeof(*icommit))
1309 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1310 bff6ca00 2018-04-23 stsp
1311 ca6e02ac 2020-01-07 stsp icommit = imsg->data;
1312 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommit) + icommit->author_len +
1313 ca6e02ac 2020-01-07 stsp icommit->committer_len +
1314 e4c85b49 2023-02-03 thomas icommit->nparents * sizeof(struct got_object_id))
1315 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1316 bff6ca00 2018-04-23 stsp
1317 ca6e02ac 2020-01-07 stsp if (icommit->nparents < 0)
1318 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1319 ca6e02ac 2020-01-07 stsp
1320 ca6e02ac 2020-01-07 stsp len += sizeof(*icommit);
1321 bff6ca00 2018-04-23 stsp
1322 ca6e02ac 2020-01-07 stsp *commit = got_object_commit_alloc_partial();
1323 ca6e02ac 2020-01-07 stsp if (*commit == NULL)
1324 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
1325 ca6e02ac 2020-01-07 stsp "got_object_commit_alloc_partial");
1326 ca6e02ac 2020-01-07 stsp
1327 e4c85b49 2023-02-03 thomas memcpy((*commit)->tree_id, &icommit->tree_id,
1328 e4c85b49 2023-02-03 thomas sizeof(icommit->tree_id));
1329 ca6e02ac 2020-01-07 stsp (*commit)->author_time = icommit->author_time;
1330 ca6e02ac 2020-01-07 stsp (*commit)->author_gmtoff = icommit->author_gmtoff;
1331 ca6e02ac 2020-01-07 stsp (*commit)->committer_time = icommit->committer_time;
1332 ca6e02ac 2020-01-07 stsp (*commit)->committer_gmtoff = icommit->committer_gmtoff;
1333 ca6e02ac 2020-01-07 stsp
1334 79b7acf3 2022-06-23 thomas (*commit)->author = strndup(imsg->data + len, icommit->author_len);
1335 79b7acf3 2022-06-23 thomas if ((*commit)->author == NULL) {
1336 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1337 79b7acf3 2022-06-23 thomas goto done;
1338 ca6e02ac 2020-01-07 stsp }
1339 ca6e02ac 2020-01-07 stsp len += icommit->author_len;
1340 bff6ca00 2018-04-23 stsp
1341 79b7acf3 2022-06-23 thomas (*commit)->committer = strndup(imsg->data + len,
1342 79b7acf3 2022-06-23 thomas icommit->committer_len);
1343 79b7acf3 2022-06-23 thomas if ((*commit)->committer == NULL) {
1344 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1345 79b7acf3 2022-06-23 thomas goto done;
1346 ca6e02ac 2020-01-07 stsp }
1347 ca6e02ac 2020-01-07 stsp len += icommit->committer_len;
1348 ca6e02ac 2020-01-07 stsp
1349 ca6e02ac 2020-01-07 stsp if (icommit->logmsg_len == 0) {
1350 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = strdup("");
1351 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1352 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1353 ca6e02ac 2020-01-07 stsp goto done;
1354 ca6e02ac 2020-01-07 stsp }
1355 ca6e02ac 2020-01-07 stsp } else {
1356 ca6e02ac 2020-01-07 stsp size_t offset = 0, remain = icommit->logmsg_len;
1357 ca6e02ac 2020-01-07 stsp
1358 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = malloc(icommit->logmsg_len + 1);
1359 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1360 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1361 ca6e02ac 2020-01-07 stsp goto done;
1362 bff6ca00 2018-04-23 stsp }
1363 ca6e02ac 2020-01-07 stsp while (remain > 0) {
1364 ca6e02ac 2020-01-07 stsp struct imsg imsg_log;
1365 ca6e02ac 2020-01-07 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1366 ca6e02ac 2020-01-07 stsp remain);
1367 6c281f94 2018-06-11 stsp
1368 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1369 ca6e02ac 2020-01-07 stsp if (err)
1370 ca6e02ac 2020-01-07 stsp goto done;
1371 bff6ca00 2018-04-23 stsp
1372 ca6e02ac 2020-01-07 stsp if (imsg_log.hdr.type != GOT_IMSG_COMMIT_LOGMSG) {
1373 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1374 ca6e02ac 2020-01-07 stsp goto done;
1375 bff6ca00 2018-04-23 stsp }
1376 c75f7264 2018-09-11 stsp
1377 ca6e02ac 2020-01-07 stsp memcpy((*commit)->logmsg + offset,
1378 ca6e02ac 2020-01-07 stsp imsg_log.data, n);
1379 ca6e02ac 2020-01-07 stsp imsg_free(&imsg_log);
1380 ca6e02ac 2020-01-07 stsp offset += n;
1381 ca6e02ac 2020-01-07 stsp remain -= n;
1382 bff6ca00 2018-04-23 stsp }
1383 ca6e02ac 2020-01-07 stsp (*commit)->logmsg[icommit->logmsg_len] = '\0';
1384 ca6e02ac 2020-01-07 stsp }
1385 bff6ca00 2018-04-23 stsp
1386 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommit->nparents; i++) {
1387 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
1388 86acc566 2018-04-23 stsp
1389 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
1390 ca6e02ac 2020-01-07 stsp if (err)
1391 ca6e02ac 2020-01-07 stsp break;
1392 ec242592 2022-04-22 thomas memcpy(&qid->id, imsg->data + len +
1393 e4c85b49 2023-02-03 thomas i * sizeof(qid->id), sizeof(qid->id));
1394 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(&(*commit)->parent_ids, qid, entry);
1395 ca6e02ac 2020-01-07 stsp (*commit)->nparents++;
1396 ca6e02ac 2020-01-07 stsp }
1397 ca6e02ac 2020-01-07 stsp done:
1398 ca6e02ac 2020-01-07 stsp if (err) {
1399 ca6e02ac 2020-01-07 stsp got_object_commit_close(*commit);
1400 ca6e02ac 2020-01-07 stsp *commit = NULL;
1401 ca6e02ac 2020-01-07 stsp }
1402 ca6e02ac 2020-01-07 stsp return err;
1403 ca6e02ac 2020-01-07 stsp }
1404 ca6e02ac 2020-01-07 stsp
1405 ca6e02ac 2020-01-07 stsp const struct got_error *
1406 ca6e02ac 2020-01-07 stsp got_privsep_recv_commit(struct got_commit_object **commit, struct imsgbuf *ibuf)
1407 ca6e02ac 2020-01-07 stsp {
1408 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
1409 ca6e02ac 2020-01-07 stsp struct imsg imsg;
1410 ca6e02ac 2020-01-07 stsp size_t datalen;
1411 202f996b 2024-03-02 thomas const size_t min_datalen = sizeof(struct got_imsg_commit_object);
1412 ca6e02ac 2020-01-07 stsp
1413 ca6e02ac 2020-01-07 stsp *commit = NULL;
1414 ca6e02ac 2020-01-07 stsp
1415 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1416 ca6e02ac 2020-01-07 stsp if (err)
1417 ca6e02ac 2020-01-07 stsp return err;
1418 ca6e02ac 2020-01-07 stsp
1419 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1420 ca6e02ac 2020-01-07 stsp
1421 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
1422 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
1423 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(commit, &imsg, datalen, ibuf);
1424 2178c42e 2018-04-22 stsp break;
1425 8c580685 2018-04-22 stsp default:
1426 8c580685 2018-04-22 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1427 8c580685 2018-04-22 stsp break;
1428 2178c42e 2018-04-22 stsp }
1429 2178c42e 2018-04-22 stsp
1430 2178c42e 2018-04-22 stsp imsg_free(&imsg);
1431 e033d803 2018-04-23 stsp
1432 e033d803 2018-04-23 stsp return err;
1433 e033d803 2018-04-23 stsp }
1434 e033d803 2018-04-23 stsp
1435 06de99ad 2022-05-19 thomas static const struct got_error *
1436 63915ee5 2022-06-23 thomas send_tree_entries_batch(struct imsgbuf *ibuf,
1437 63915ee5 2022-06-23 thomas struct got_parsed_tree_entry *entries, int idx0, int idxN, size_t len)
1438 e033d803 2018-04-23 stsp {
1439 06de99ad 2022-05-19 thomas struct ibuf *wbuf;
1440 06de99ad 2022-05-19 thomas struct got_imsg_tree_entries ientries;
1441 06de99ad 2022-05-19 thomas int i;
1442 e033d803 2018-04-23 stsp
1443 c26ee7ad 2022-06-23 thomas memset(&ientries, 0, sizeof(ientries));
1444 c26ee7ad 2022-06-23 thomas
1445 06de99ad 2022-05-19 thomas wbuf = imsg_create(ibuf, GOT_IMSG_TREE_ENTRIES, 0, 0, len);
1446 06de99ad 2022-05-19 thomas if (wbuf == NULL)
1447 06de99ad 2022-05-19 thomas return got_error_from_errno("imsg_create TREE_ENTRY");
1448 e033d803 2018-04-23 stsp
1449 06de99ad 2022-05-19 thomas ientries.nentries = idxN - idx0 + 1;
1450 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &ientries, sizeof(ientries)) == -1)
1451 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1452 e033d803 2018-04-23 stsp
1453 06de99ad 2022-05-19 thomas for (i = idx0; i <= idxN; i++) {
1454 06de99ad 2022-05-19 thomas struct got_parsed_tree_entry *pte = &entries[i];
1455 e033d803 2018-04-23 stsp
1456 2be33b09 2023-02-03 thomas /* Keep in sync with struct got_imsg_tree_entry definition! */
1457 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, pte->id, SHA1_DIGEST_LENGTH) == -1)
1458 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1459 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &pte->mode, sizeof(pte->mode)) == -1)
1460 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1461 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &pte->namelen, sizeof(pte->namelen)) == -1)
1462 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1463 77402035 2022-06-23 thomas
1464 06de99ad 2022-05-19 thomas /* Remaining bytes are the entry's name. */
1465 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, pte->name, pte->namelen) == -1)
1466 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1467 06de99ad 2022-05-19 thomas }
1468 3022d272 2019-11-14 stsp
1469 06de99ad 2022-05-19 thomas imsg_close(ibuf, wbuf);
1470 06de99ad 2022-05-19 thomas return NULL;
1471 06de99ad 2022-05-19 thomas }
1472 3022d272 2019-11-14 stsp
1473 63915ee5 2022-06-23 thomas static const struct got_error *
1474 63915ee5 2022-06-23 thomas send_tree_entries(struct imsgbuf *ibuf, struct got_parsed_tree_entry *entries,
1475 63915ee5 2022-06-23 thomas int nentries)
1476 06de99ad 2022-05-19 thomas {
1477 06de99ad 2022-05-19 thomas const struct got_error *err = NULL;
1478 06de99ad 2022-05-19 thomas int i, j;
1479 63915ee5 2022-06-23 thomas size_t entries_len = sizeof(struct got_imsg_tree_entries);
1480 06de99ad 2022-05-19 thomas
1481 06de99ad 2022-05-19 thomas i = 0;
1482 06de99ad 2022-05-19 thomas for (j = 0; j < nentries; j++) {
1483 06de99ad 2022-05-19 thomas struct got_parsed_tree_entry *pte = &entries[j];
1484 11a2b20c 2023-02-17 thomas size_t len = sizeof(struct got_imsg_tree_entry) + pte->namelen;
1485 06de99ad 2022-05-19 thomas
1486 06de99ad 2022-05-19 thomas if (j > 0 &&
1487 06de99ad 2022-05-19 thomas entries_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1488 63915ee5 2022-06-23 thomas err = send_tree_entries_batch(ibuf, entries,
1489 06de99ad 2022-05-19 thomas i, j - 1, entries_len);
1490 06de99ad 2022-05-19 thomas if (err)
1491 06de99ad 2022-05-19 thomas return err;
1492 06de99ad 2022-05-19 thomas i = j;
1493 06de99ad 2022-05-19 thomas entries_len = sizeof(struct got_imsg_tree_entries);
1494 06de99ad 2022-05-19 thomas }
1495 06de99ad 2022-05-19 thomas
1496 06de99ad 2022-05-19 thomas entries_len += len;
1497 e033d803 2018-04-23 stsp }
1498 e033d803 2018-04-23 stsp
1499 06de99ad 2022-05-19 thomas if (j > 0) {
1500 63915ee5 2022-06-23 thomas err = send_tree_entries_batch(ibuf, entries, i, j - 1,
1501 63915ee5 2022-06-23 thomas entries_len);
1502 06de99ad 2022-05-19 thomas if (err)
1503 06de99ad 2022-05-19 thomas return err;
1504 06de99ad 2022-05-19 thomas }
1505 13280750 2022-06-13 thomas
1506 63915ee5 2022-06-23 thomas return NULL;
1507 63915ee5 2022-06-23 thomas }
1508 63915ee5 2022-06-23 thomas
1509 63915ee5 2022-06-23 thomas const struct got_error *
1510 63915ee5 2022-06-23 thomas got_privsep_send_tree(struct imsgbuf *ibuf,
1511 63915ee5 2022-06-23 thomas struct got_parsed_tree_entry *entries, int nentries)
1512 63915ee5 2022-06-23 thomas {
1513 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
1514 63915ee5 2022-06-23 thomas struct got_imsg_tree_object itree;
1515 63915ee5 2022-06-23 thomas
1516 c26ee7ad 2022-06-23 thomas memset(&itree, 0, sizeof(itree));
1517 63915ee5 2022-06-23 thomas itree.nentries = nentries;
1518 63915ee5 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_TREE, 0, 0, -1, &itree, sizeof(itree))
1519 63915ee5 2022-06-23 thomas == -1)
1520 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_compose TREE");
1521 63915ee5 2022-06-23 thomas
1522 63915ee5 2022-06-23 thomas err = send_tree_entries(ibuf, entries, nentries);
1523 63915ee5 2022-06-23 thomas if (err)
1524 63915ee5 2022-06-23 thomas return err;
1525 63915ee5 2022-06-23 thomas
1526 b00c9821 2018-11-04 stsp return flush_imsg(ibuf);
1527 63915ee5 2022-06-23 thomas }
1528 63915ee5 2022-06-23 thomas
1529 63915ee5 2022-06-23 thomas
1530 63915ee5 2022-06-23 thomas static const struct got_error *
1531 63915ee5 2022-06-23 thomas recv_tree_entries(void *data, size_t datalen, struct got_tree_object *tree,
1532 63915ee5 2022-06-23 thomas int *nentries)
1533 63915ee5 2022-06-23 thomas {
1534 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
1535 63915ee5 2022-06-23 thomas struct got_imsg_tree_entries *ientries;
1536 63915ee5 2022-06-23 thomas struct got_tree_entry *te;
1537 63915ee5 2022-06-23 thomas size_t te_offset;
1538 63915ee5 2022-06-23 thomas size_t i;
1539 63915ee5 2022-06-23 thomas
1540 63915ee5 2022-06-23 thomas if (datalen <= sizeof(*ientries) ||
1541 63915ee5 2022-06-23 thomas datalen > MAX_IMSGSIZE - IMSG_HEADER_SIZE)
1542 63915ee5 2022-06-23 thomas return got_error(GOT_ERR_PRIVSEP_LEN);
1543 63915ee5 2022-06-23 thomas
1544 63915ee5 2022-06-23 thomas ientries = (struct got_imsg_tree_entries *)data;
1545 63915ee5 2022-06-23 thomas if (ientries->nentries > INT_MAX) {
1546 63915ee5 2022-06-23 thomas return got_error_msg(GOT_ERR_NO_SPACE,
1547 63915ee5 2022-06-23 thomas "too many tree entries");
1548 63915ee5 2022-06-23 thomas }
1549 63915ee5 2022-06-23 thomas
1550 63915ee5 2022-06-23 thomas te_offset = sizeof(*ientries);
1551 63915ee5 2022-06-23 thomas for (i = 0; i < ientries->nentries; i++) {
1552 63915ee5 2022-06-23 thomas struct got_imsg_tree_entry ite;
1553 63915ee5 2022-06-23 thomas const char *te_name;
1554 63915ee5 2022-06-23 thomas uint8_t *buf = (uint8_t *)data + te_offset;
1555 63915ee5 2022-06-23 thomas
1556 63915ee5 2022-06-23 thomas if (te_offset >= datalen) {
1557 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1558 63915ee5 2022-06-23 thomas break;
1559 63915ee5 2022-06-23 thomas }
1560 63915ee5 2022-06-23 thomas
1561 63915ee5 2022-06-23 thomas /* Might not be aligned, size is ~32 bytes. */
1562 63915ee5 2022-06-23 thomas memcpy(&ite, buf, sizeof(ite));
1563 63915ee5 2022-06-23 thomas
1564 63915ee5 2022-06-23 thomas if (ite.namelen >= sizeof(te->name)) {
1565 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1566 63915ee5 2022-06-23 thomas break;
1567 63915ee5 2022-06-23 thomas }
1568 63915ee5 2022-06-23 thomas if (te_offset + sizeof(ite) + ite.namelen > datalen) {
1569 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1570 63915ee5 2022-06-23 thomas break;
1571 63915ee5 2022-06-23 thomas }
1572 63915ee5 2022-06-23 thomas
1573 63915ee5 2022-06-23 thomas if (*nentries >= tree->nentries) {
1574 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1575 63915ee5 2022-06-23 thomas break;
1576 63915ee5 2022-06-23 thomas }
1577 63915ee5 2022-06-23 thomas te = &tree->entries[*nentries];
1578 63915ee5 2022-06-23 thomas te_name = buf + sizeof(ite);
1579 63915ee5 2022-06-23 thomas memcpy(te->name, te_name, ite.namelen);
1580 63915ee5 2022-06-23 thomas te->name[ite.namelen] = '\0';
1581 63915ee5 2022-06-23 thomas memcpy(te->id.sha1, ite.id, SHA1_DIGEST_LENGTH);
1582 63915ee5 2022-06-23 thomas te->mode = ite.mode;
1583 63915ee5 2022-06-23 thomas te->idx = *nentries;
1584 63915ee5 2022-06-23 thomas (*nentries)++;
1585 63915ee5 2022-06-23 thomas
1586 63915ee5 2022-06-23 thomas te_offset += sizeof(ite) + ite.namelen;
1587 63915ee5 2022-06-23 thomas }
1588 63915ee5 2022-06-23 thomas
1589 63915ee5 2022-06-23 thomas return err;
1590 13280750 2022-06-13 thomas }
1591 13280750 2022-06-13 thomas
1592 e033d803 2018-04-23 stsp const struct got_error *
1593 068fd2bf 2018-04-24 stsp got_privsep_recv_tree(struct got_tree_object **tree, struct imsgbuf *ibuf)
1594 e033d803 2018-04-23 stsp {
1595 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
1596 202f996b 2024-03-02 thomas const size_t min_datalen = sizeof(struct got_imsg_tree_object);
1597 291624d8 2018-11-07 stsp struct got_imsg_tree_object *itree;
1598 e033d803 2018-04-23 stsp int nentries = 0;
1599 2178c42e 2018-04-22 stsp
1600 e033d803 2018-04-23 stsp *tree = NULL;
1601 8767bb94 2022-05-19 thomas
1602 9b5e2ebd 2022-07-07 thomas while (*tree == NULL || nentries < (*tree)->nentries) {
1603 e033d803 2018-04-23 stsp struct imsg imsg;
1604 e033d803 2018-04-23 stsp size_t datalen;
1605 e033d803 2018-04-23 stsp
1606 9b5e2ebd 2022-07-07 thomas err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1607 9b5e2ebd 2022-07-07 thomas if (err)
1608 fca1f6ad 2020-08-27 stsp break;
1609 e033d803 2018-04-23 stsp
1610 e033d803 2018-04-23 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1611 e033d803 2018-04-23 stsp
1612 e033d803 2018-04-23 stsp switch (imsg.hdr.type) {
1613 e033d803 2018-04-23 stsp case GOT_IMSG_TREE:
1614 e033d803 2018-04-23 stsp /* This message should only appear once. */
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 291624d8 2018-11-07 stsp if (datalen != sizeof(*itree)) {
1620 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1621 e033d803 2018-04-23 stsp break;
1622 e033d803 2018-04-23 stsp }
1623 291624d8 2018-11-07 stsp itree = imsg.data;
1624 ace4d4e7 2022-05-19 thomas if (itree->nentries < 0) {
1625 ace4d4e7 2022-05-19 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1626 ace4d4e7 2022-05-19 thomas break;
1627 ace4d4e7 2022-05-19 thomas }
1628 c3b78ecc 2018-11-07 stsp *tree = malloc(sizeof(**tree));
1629 e033d803 2018-04-23 stsp if (*tree == NULL) {
1630 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1631 e033d803 2018-04-23 stsp break;
1632 e033d803 2018-04-23 stsp }
1633 56e0773d 2019-11-28 stsp (*tree)->entries = calloc(itree->nentries,
1634 56e0773d 2019-11-28 stsp sizeof(struct got_tree_entry));
1635 56e0773d 2019-11-28 stsp if ((*tree)->entries == NULL) {
1636 56e0773d 2019-11-28 stsp err = got_error_from_errno("malloc");
1637 c3bacae2 2022-05-19 thomas free(*tree);
1638 c3bacae2 2022-05-19 thomas *tree = NULL;
1639 56e0773d 2019-11-28 stsp break;
1640 56e0773d 2019-11-28 stsp }
1641 56e0773d 2019-11-28 stsp (*tree)->nentries = itree->nentries;
1642 c3b78ecc 2018-11-07 stsp (*tree)->refcnt = 0;
1643 e033d803 2018-04-23 stsp break;
1644 06de99ad 2022-05-19 thomas case GOT_IMSG_TREE_ENTRIES:
1645 e033d803 2018-04-23 stsp /* This message should be preceeded by GOT_IMSG_TREE. */
1646 e033d803 2018-04-23 stsp if (*tree == NULL) {
1647 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1648 e033d803 2018-04-23 stsp break;
1649 e033d803 2018-04-23 stsp }
1650 63915ee5 2022-06-23 thomas err = recv_tree_entries(imsg.data, datalen,
1651 63915ee5 2022-06-23 thomas *tree, &nentries);
1652 e033d803 2018-04-23 stsp break;
1653 e033d803 2018-04-23 stsp default:
1654 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1655 e033d803 2018-04-23 stsp break;
1656 e033d803 2018-04-23 stsp }
1657 e033d803 2018-04-23 stsp
1658 e033d803 2018-04-23 stsp imsg_free(&imsg);
1659 d6b7d054 2020-08-27 stsp if (err)
1660 d6b7d054 2020-08-27 stsp break;
1661 e033d803 2018-04-23 stsp }
1662 9b5e2ebd 2022-07-07 thomas
1663 56e0773d 2019-11-28 stsp if (*tree && (*tree)->nentries != nentries) {
1664 1e51f5b9 2018-04-23 stsp if (err == NULL)
1665 1e51f5b9 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1666 e033d803 2018-04-23 stsp got_object_tree_close(*tree);
1667 e033d803 2018-04-23 stsp *tree = NULL;
1668 ff6b18f8 2018-04-24 stsp }
1669 ff6b18f8 2018-04-24 stsp
1670 ff6b18f8 2018-04-24 stsp return err;
1671 ff6b18f8 2018-04-24 stsp }
1672 ff6b18f8 2018-04-24 stsp
1673 ff6b18f8 2018-04-24 stsp const struct got_error *
1674 ac544f8c 2019-01-13 stsp got_privsep_send_blob(struct imsgbuf *ibuf, size_t size, size_t hdrlen,
1675 ac544f8c 2019-01-13 stsp const uint8_t *data)
1676 ff6b18f8 2018-04-24 stsp {
1677 2967a784 2018-04-24 stsp struct got_imsg_blob iblob;
1678 2967a784 2018-04-24 stsp
1679 c26ee7ad 2022-06-23 thomas memset(&iblob, 0, sizeof(iblob));
1680 2967a784 2018-04-24 stsp iblob.size = size;
1681 ebc55e2d 2018-12-24 stsp iblob.hdrlen = hdrlen;
1682 2967a784 2018-04-24 stsp
1683 ac544f8c 2019-01-13 stsp if (data) {
1684 ac544f8c 2019-01-13 stsp uint8_t *buf;
1685 ac544f8c 2019-01-13 stsp
1686 ac544f8c 2019-01-13 stsp if (size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX)
1687 ac544f8c 2019-01-13 stsp return got_error(GOT_ERR_NO_SPACE);
1688 ac544f8c 2019-01-13 stsp
1689 ac544f8c 2019-01-13 stsp buf = malloc(sizeof(iblob) + size);
1690 ac544f8c 2019-01-13 stsp if (buf == NULL)
1691 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1692 ff6b18f8 2018-04-24 stsp
1693 ac544f8c 2019-01-13 stsp memcpy(buf, &iblob, sizeof(iblob));
1694 ac544f8c 2019-01-13 stsp memcpy(buf + sizeof(iblob), data, size);
1695 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, buf,
1696 62d463ca 2020-10-20 naddy sizeof(iblob) + size) == -1) {
1697 ac544f8c 2019-01-13 stsp free(buf);
1698 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1699 ac544f8c 2019-01-13 stsp }
1700 ac544f8c 2019-01-13 stsp free(buf);
1701 ac544f8c 2019-01-13 stsp } else {
1702 ac544f8c 2019-01-13 stsp /* Data has already been written to file descriptor. */
1703 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, &iblob,
1704 ac544f8c 2019-01-13 stsp sizeof(iblob)) == -1)
1705 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1706 ac544f8c 2019-01-13 stsp }
1707 ac544f8c 2019-01-13 stsp
1708 ac544f8c 2019-01-13 stsp
1709 ff6b18f8 2018-04-24 stsp return flush_imsg(ibuf);
1710 ff6b18f8 2018-04-24 stsp }
1711 ff6b18f8 2018-04-24 stsp
1712 ff6b18f8 2018-04-24 stsp const struct got_error *
1713 ac544f8c 2019-01-13 stsp got_privsep_recv_blob(uint8_t **outbuf, size_t *size, size_t *hdrlen,
1714 ac544f8c 2019-01-13 stsp struct imsgbuf *ibuf)
1715 ff6b18f8 2018-04-24 stsp {
1716 ff6b18f8 2018-04-24 stsp const struct got_error *err = NULL;
1717 ff6b18f8 2018-04-24 stsp struct imsg imsg;
1718 291624d8 2018-11-07 stsp struct got_imsg_blob *iblob;
1719 ff6b18f8 2018-04-24 stsp size_t datalen;
1720 ff6b18f8 2018-04-24 stsp
1721 ac544f8c 2019-01-13 stsp *outbuf = NULL;
1722 ac544f8c 2019-01-13 stsp
1723 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1724 ff6b18f8 2018-04-24 stsp if (err)
1725 ff6b18f8 2018-04-24 stsp return err;
1726 ff6b18f8 2018-04-24 stsp
1727 ff6b18f8 2018-04-24 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1728 ff6b18f8 2018-04-24 stsp
1729 ff6b18f8 2018-04-24 stsp switch (imsg.hdr.type) {
1730 ff6b18f8 2018-04-24 stsp case GOT_IMSG_BLOB:
1731 ac544f8c 2019-01-13 stsp if (datalen < sizeof(*iblob)) {
1732 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1733 18336eed 2018-11-04 stsp break;
1734 18336eed 2018-11-04 stsp }
1735 291624d8 2018-11-07 stsp iblob = imsg.data;
1736 291624d8 2018-11-07 stsp *size = iblob->size;
1737 ebc55e2d 2018-12-24 stsp *hdrlen = iblob->hdrlen;
1738 ac544f8c 2019-01-13 stsp
1739 ac544f8c 2019-01-13 stsp if (datalen == sizeof(*iblob)) {
1740 ac544f8c 2019-01-13 stsp /* Data has been written to file descriptor. */
1741 ac544f8c 2019-01-13 stsp break;
1742 ac544f8c 2019-01-13 stsp }
1743 ac544f8c 2019-01-13 stsp
1744 31d32634 2022-06-23 thomas if (*size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX ||
1745 31d32634 2022-06-23 thomas *size > datalen + sizeof(*iblob)) {
1746 ac544f8c 2019-01-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1747 ac544f8c 2019-01-13 stsp break;
1748 ac544f8c 2019-01-13 stsp }
1749 ac544f8c 2019-01-13 stsp
1750 ac544f8c 2019-01-13 stsp *outbuf = malloc(*size);
1751 ac544f8c 2019-01-13 stsp if (*outbuf == NULL) {
1752 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1753 ac544f8c 2019-01-13 stsp break;
1754 ac544f8c 2019-01-13 stsp }
1755 ac544f8c 2019-01-13 stsp memcpy(*outbuf, imsg.data + sizeof(*iblob), *size);
1756 f4a881ce 2018-11-17 stsp break;
1757 f4a881ce 2018-11-17 stsp default:
1758 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1759 f4a881ce 2018-11-17 stsp break;
1760 f4a881ce 2018-11-17 stsp }
1761 f4a881ce 2018-11-17 stsp
1762 f4a881ce 2018-11-17 stsp imsg_free(&imsg);
1763 f4a881ce 2018-11-17 stsp
1764 f4a881ce 2018-11-17 stsp return err;
1765 f4a881ce 2018-11-17 stsp }
1766 f4a881ce 2018-11-17 stsp
1767 f4a881ce 2018-11-17 stsp static const struct got_error *
1768 f4a881ce 2018-11-17 stsp send_tagmsg(struct imsgbuf *ibuf, struct got_tag_object *tag, size_t tagmsg_len)
1769 f4a881ce 2018-11-17 stsp {
1770 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1771 f4a881ce 2018-11-17 stsp size_t offset, remain;
1772 f4a881ce 2018-11-17 stsp
1773 f4a881ce 2018-11-17 stsp offset = 0;
1774 f4a881ce 2018-11-17 stsp remain = tagmsg_len;
1775 f4a881ce 2018-11-17 stsp while (remain > 0) {
1776 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1777 f4a881ce 2018-11-17 stsp
1778 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_TAGMSG, 0, 0, -1,
1779 f4a881ce 2018-11-17 stsp tag->tagmsg + offset, n) == -1) {
1780 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG_TAGMSG");
1781 f4a881ce 2018-11-17 stsp break;
1782 f4a881ce 2018-11-17 stsp }
1783 f4a881ce 2018-11-17 stsp
1784 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1785 f4a881ce 2018-11-17 stsp if (err)
1786 f4a881ce 2018-11-17 stsp break;
1787 f4a881ce 2018-11-17 stsp
1788 f4a881ce 2018-11-17 stsp offset += n;
1789 f4a881ce 2018-11-17 stsp remain -= n;
1790 f4a881ce 2018-11-17 stsp }
1791 f4a881ce 2018-11-17 stsp
1792 f4a881ce 2018-11-17 stsp return err;
1793 f4a881ce 2018-11-17 stsp }
1794 f4a881ce 2018-11-17 stsp
1795 f4a881ce 2018-11-17 stsp const struct got_error *
1796 f4a881ce 2018-11-17 stsp got_privsep_send_tag(struct imsgbuf *ibuf, struct got_tag_object *tag)
1797 f4a881ce 2018-11-17 stsp {
1798 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1799 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1800 f4a881ce 2018-11-17 stsp uint8_t *buf;
1801 f4a881ce 2018-11-17 stsp size_t len, total;
1802 f4a881ce 2018-11-17 stsp size_t tag_len = strlen(tag->tag);
1803 f4a881ce 2018-11-17 stsp size_t tagger_len = strlen(tag->tagger);
1804 f4a881ce 2018-11-17 stsp size_t tagmsg_len = strlen(tag->tagmsg);
1805 f4a881ce 2018-11-17 stsp
1806 f4a881ce 2018-11-17 stsp total = sizeof(*itag) + tag_len + tagger_len + tagmsg_len;
1807 f4a881ce 2018-11-17 stsp
1808 f4a881ce 2018-11-17 stsp buf = malloc(total);
1809 f4a881ce 2018-11-17 stsp if (buf == NULL)
1810 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1811 f4a881ce 2018-11-17 stsp
1812 f4a881ce 2018-11-17 stsp itag = (struct got_imsg_tag_object *)buf;
1813 35cdfa2c 2023-02-20 thomas memcpy(&itag->id, &tag->id, sizeof(itag->id));
1814 f4a881ce 2018-11-17 stsp itag->obj_type = tag->obj_type;
1815 f4a881ce 2018-11-17 stsp itag->tag_len = tag_len;
1816 f4a881ce 2018-11-17 stsp itag->tagger_len = tagger_len;
1817 f4a881ce 2018-11-17 stsp itag->tagger_time = tag->tagger_time;
1818 f4a881ce 2018-11-17 stsp itag->tagger_gmtoff = tag->tagger_gmtoff;
1819 f4a881ce 2018-11-17 stsp itag->tagmsg_len = tagmsg_len;
1820 f4a881ce 2018-11-17 stsp
1821 f4a881ce 2018-11-17 stsp len = sizeof(*itag);
1822 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tag, tag_len);
1823 f4a881ce 2018-11-17 stsp len += tag_len;
1824 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tagger, tagger_len);
1825 f4a881ce 2018-11-17 stsp len += tagger_len;
1826 f4a881ce 2018-11-17 stsp
1827 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG, 0, 0, -1, buf, len) == -1) {
1828 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG");
1829 f4a881ce 2018-11-17 stsp goto done;
1830 f4a881ce 2018-11-17 stsp }
1831 f4a881ce 2018-11-17 stsp
1832 f4a881ce 2018-11-17 stsp if (tagmsg_len == 0 ||
1833 f4a881ce 2018-11-17 stsp tagmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1834 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1835 f4a881ce 2018-11-17 stsp if (err)
1836 f4a881ce 2018-11-17 stsp goto done;
1837 f4a881ce 2018-11-17 stsp }
1838 f4a881ce 2018-11-17 stsp err = send_tagmsg(ibuf, tag, tagmsg_len);
1839 f4a881ce 2018-11-17 stsp done:
1840 f4a881ce 2018-11-17 stsp free(buf);
1841 f4a881ce 2018-11-17 stsp return err;
1842 f4a881ce 2018-11-17 stsp }
1843 f4a881ce 2018-11-17 stsp
1844 f4a881ce 2018-11-17 stsp const struct got_error *
1845 f4a881ce 2018-11-17 stsp got_privsep_recv_tag(struct got_tag_object **tag, struct imsgbuf *ibuf)
1846 f4a881ce 2018-11-17 stsp {
1847 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1848 f4a881ce 2018-11-17 stsp struct imsg imsg;
1849 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1850 f4a881ce 2018-11-17 stsp size_t len, datalen;
1851 202f996b 2024-03-02 thomas const size_t min_datalen = sizeof(struct got_imsg_tag_object);
1852 f4a881ce 2018-11-17 stsp
1853 f4a881ce 2018-11-17 stsp *tag = NULL;
1854 f4a881ce 2018-11-17 stsp
1855 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1856 f4a881ce 2018-11-17 stsp if (err)
1857 f4a881ce 2018-11-17 stsp return err;
1858 f4a881ce 2018-11-17 stsp
1859 f4a881ce 2018-11-17 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1860 f4a881ce 2018-11-17 stsp len = 0;
1861 f4a881ce 2018-11-17 stsp
1862 f4a881ce 2018-11-17 stsp switch (imsg.hdr.type) {
1863 f4a881ce 2018-11-17 stsp case GOT_IMSG_TAG:
1864 f4a881ce 2018-11-17 stsp if (datalen < sizeof(*itag)) {
1865 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1866 f4a881ce 2018-11-17 stsp break;
1867 f4a881ce 2018-11-17 stsp }
1868 f4a881ce 2018-11-17 stsp itag = imsg.data;
1869 f4a881ce 2018-11-17 stsp if (datalen != sizeof(*itag) + itag->tag_len +
1870 f4a881ce 2018-11-17 stsp itag->tagger_len) {
1871 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1872 f4a881ce 2018-11-17 stsp break;
1873 f4a881ce 2018-11-17 stsp }
1874 f4a881ce 2018-11-17 stsp len += sizeof(*itag);
1875 f4a881ce 2018-11-17 stsp
1876 f4a881ce 2018-11-17 stsp *tag = calloc(1, sizeof(**tag));
1877 f4a881ce 2018-11-17 stsp if (*tag == NULL) {
1878 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
1879 f4a881ce 2018-11-17 stsp break;
1880 f4a881ce 2018-11-17 stsp }
1881 f4a881ce 2018-11-17 stsp
1882 35cdfa2c 2023-02-20 thomas memcpy(&(*tag)->id, &itag->id, sizeof(itag->id));
1883 f4a881ce 2018-11-17 stsp
1884 79b7acf3 2022-06-23 thomas (*tag)->tag = strndup(imsg.data + len, itag->tag_len);
1885 79b7acf3 2022-06-23 thomas if ((*tag)->tag == NULL) {
1886 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1887 79b7acf3 2022-06-23 thomas break;
1888 f4a881ce 2018-11-17 stsp }
1889 f4a881ce 2018-11-17 stsp len += itag->tag_len;
1890 f4a881ce 2018-11-17 stsp
1891 f4a881ce 2018-11-17 stsp (*tag)->obj_type = itag->obj_type;
1892 f4a881ce 2018-11-17 stsp (*tag)->tagger_time = itag->tagger_time;
1893 f4a881ce 2018-11-17 stsp (*tag)->tagger_gmtoff = itag->tagger_gmtoff;
1894 f4a881ce 2018-11-17 stsp
1895 79b7acf3 2022-06-23 thomas (*tag)->tagger = strndup(imsg.data + len, itag->tagger_len);
1896 79b7acf3 2022-06-23 thomas if ((*tag)->tagger == NULL) {
1897 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1898 79b7acf3 2022-06-23 thomas break;
1899 f4a881ce 2018-11-17 stsp }
1900 f4a881ce 2018-11-17 stsp len += itag->tagger_len;
1901 f4a881ce 2018-11-17 stsp
1902 f4a881ce 2018-11-17 stsp if (itag->tagmsg_len == 0) {
1903 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = strdup("");
1904 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1905 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1906 f4a881ce 2018-11-17 stsp break;
1907 f4a881ce 2018-11-17 stsp }
1908 f4a881ce 2018-11-17 stsp } else {
1909 f4a881ce 2018-11-17 stsp size_t offset = 0, remain = itag->tagmsg_len;
1910 f4a881ce 2018-11-17 stsp
1911 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = malloc(itag->tagmsg_len + 1);
1912 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1913 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1914 f4a881ce 2018-11-17 stsp break;
1915 f4a881ce 2018-11-17 stsp }
1916 f4a881ce 2018-11-17 stsp while (remain > 0) {
1917 f4a881ce 2018-11-17 stsp struct imsg imsg_log;
1918 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1919 f4a881ce 2018-11-17 stsp remain);
1920 f4a881ce 2018-11-17 stsp
1921 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1922 f4a881ce 2018-11-17 stsp if (err)
1923 f4a881ce 2018-11-17 stsp return err;
1924 f4a881ce 2018-11-17 stsp
1925 f4a881ce 2018-11-17 stsp if (imsg_log.hdr.type != GOT_IMSG_TAG_TAGMSG)
1926 f4a881ce 2018-11-17 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
1927 f4a881ce 2018-11-17 stsp
1928 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagmsg + offset, imsg_log.data,
1929 f4a881ce 2018-11-17 stsp n);
1930 f4a881ce 2018-11-17 stsp imsg_free(&imsg_log);
1931 f4a881ce 2018-11-17 stsp offset += n;
1932 f4a881ce 2018-11-17 stsp remain -= n;
1933 f4a881ce 2018-11-17 stsp }
1934 f4a881ce 2018-11-17 stsp (*tag)->tagmsg[itag->tagmsg_len] = '\0';
1935 f4a881ce 2018-11-17 stsp }
1936 f4a881ce 2018-11-17 stsp
1937 ff6b18f8 2018-04-24 stsp break;
1938 ff6b18f8 2018-04-24 stsp default:
1939 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1940 ff6b18f8 2018-04-24 stsp break;
1941 e033d803 2018-04-23 stsp }
1942 e033d803 2018-04-23 stsp
1943 ff6b18f8 2018-04-24 stsp imsg_free(&imsg);
1944 ff6b18f8 2018-04-24 stsp
1945 2178c42e 2018-04-22 stsp return err;
1946 2178c42e 2018-04-22 stsp }
1947 876c234b 2018-09-10 stsp
1948 876c234b 2018-09-10 stsp const struct got_error *
1949 876c234b 2018-09-10 stsp got_privsep_init_pack_child(struct imsgbuf *ibuf, struct got_pack *pack,
1950 876c234b 2018-09-10 stsp struct got_packidx *packidx)
1951 876c234b 2018-09-10 stsp {
1952 41496140 2019-02-21 stsp const struct got_error *err = NULL;
1953 876c234b 2018-09-10 stsp struct got_imsg_packidx ipackidx;
1954 876c234b 2018-09-10 stsp struct got_imsg_pack ipack;
1955 876c234b 2018-09-10 stsp int fd;
1956 876c234b 2018-09-10 stsp
1957 c26ee7ad 2022-06-23 thomas memset(&ipackidx, 0, sizeof(ipackidx));
1958 c26ee7ad 2022-06-23 thomas memset(&ipack, 0, sizeof(ipack));
1959 c26ee7ad 2022-06-23 thomas
1960 876c234b 2018-09-10 stsp ipackidx.len = packidx->len;
1961 c3564dfa 2021-07-15 stsp ipackidx.packfile_size = pack->filesize;
1962 876c234b 2018-09-10 stsp fd = dup(packidx->fd);
1963 876c234b 2018-09-10 stsp if (fd == -1)
1964 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1965 876c234b 2018-09-10 stsp
1966 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKIDX, 0, 0, fd, &ipackidx,
1967 41496140 2019-02-21 stsp sizeof(ipackidx)) == -1) {
1968 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACKIDX");
1969 41496140 2019-02-21 stsp close(fd);
1970 41496140 2019-02-21 stsp return err;
1971 41496140 2019-02-21 stsp }
1972 876c234b 2018-09-10 stsp
1973 876c234b 2018-09-10 stsp if (strlcpy(ipack.path_packfile, pack->path_packfile,
1974 876c234b 2018-09-10 stsp sizeof(ipack.path_packfile)) >= sizeof(ipack.path_packfile))
1975 876c234b 2018-09-10 stsp return got_error(GOT_ERR_NO_SPACE);
1976 876c234b 2018-09-10 stsp ipack.filesize = pack->filesize;
1977 876c234b 2018-09-10 stsp
1978 876c234b 2018-09-10 stsp fd = dup(pack->fd);
1979 876c234b 2018-09-10 stsp if (fd == -1)
1980 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1981 876c234b 2018-09-10 stsp
1982 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACK, 0, 0, fd, &ipack, sizeof(ipack))
1983 41496140 2019-02-21 stsp == -1) {
1984 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACK");
1985 41496140 2019-02-21 stsp close(fd);
1986 41496140 2019-02-21 stsp return err;
1987 41496140 2019-02-21 stsp }
1988 876c234b 2018-09-10 stsp
1989 876c234b 2018-09-10 stsp return flush_imsg(ibuf);
1990 876c234b 2018-09-10 stsp }
1991 876c234b 2018-09-10 stsp
1992 876c234b 2018-09-10 stsp const struct got_error *
1993 106807b4 2018-09-15 stsp got_privsep_send_packed_obj_req(struct imsgbuf *ibuf, int idx,
1994 106807b4 2018-09-15 stsp struct got_object_id *id)
1995 876c234b 2018-09-10 stsp {
1996 876c234b 2018-09-10 stsp struct got_imsg_packed_object iobj;
1997 876c234b 2018-09-10 stsp
1998 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
1999 876c234b 2018-09-10 stsp iobj.idx = idx;
2000 b6f67730 2023-02-03 thomas memcpy(&iobj.id, id, sizeof(iobj.id));
2001 876c234b 2018-09-10 stsp
2002 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_OBJECT_REQUEST, 0, 0, -1,
2003 876c234b 2018-09-10 stsp &iobj, sizeof(iobj)) == -1)
2004 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose "
2005 230a42bd 2019-05-11 jcs "PACKED_OBJECT_REQUEST");
2006 aba9c984 2019-09-08 stsp
2007 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2008 aba9c984 2019-09-08 stsp }
2009 aba9c984 2019-09-08 stsp
2010 aba9c984 2019-09-08 stsp const struct got_error *
2011 59d1e4a0 2021-03-10 stsp got_privsep_send_packed_raw_obj_req(struct imsgbuf *ibuf, int idx,
2012 59d1e4a0 2021-03-10 stsp struct got_object_id *id)
2013 59d1e4a0 2021-03-10 stsp {
2014 59d1e4a0 2021-03-10 stsp struct got_imsg_packed_object iobj;
2015 59d1e4a0 2021-03-10 stsp
2016 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
2017 59d1e4a0 2021-03-10 stsp iobj.idx = idx;
2018 b6f67730 2023-02-03 thomas memcpy(&iobj.id, id, sizeof(iobj.id));
2019 59d1e4a0 2021-03-10 stsp
2020 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_RAW_OBJECT_REQUEST, 0, 0, -1,
2021 59d1e4a0 2021-03-10 stsp &iobj, sizeof(iobj)) == -1)
2022 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose "
2023 59d1e4a0 2021-03-10 stsp "PACKED_OBJECT_REQUEST");
2024 59d1e4a0 2021-03-10 stsp
2025 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
2026 59d1e4a0 2021-03-10 stsp }
2027 59d1e4a0 2021-03-10 stsp
2028 59d1e4a0 2021-03-10 stsp const struct got_error *
2029 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_parse_req(struct imsgbuf *ibuf, int fd)
2030 aba9c984 2019-09-08 stsp {
2031 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2032 aba9c984 2019-09-08 stsp
2033 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_PARSE_REQUEST, 0, 0, fd,
2034 aba9c984 2019-09-08 stsp NULL, 0) == -1) {
2035 aba9c984 2019-09-08 stsp err = got_error_from_errno("imsg_compose "
2036 aba9c984 2019-09-08 stsp "GITCONFIG_PARSE_REQUEST");
2037 aba9c984 2019-09-08 stsp close(fd);
2038 aba9c984 2019-09-08 stsp return err;
2039 aba9c984 2019-09-08 stsp }
2040 aba9c984 2019-09-08 stsp
2041 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2042 aba9c984 2019-09-08 stsp }
2043 aba9c984 2019-09-08 stsp
2044 aba9c984 2019-09-08 stsp const struct got_error *
2045 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_repository_format_version_req(struct imsgbuf *ibuf)
2046 aba9c984 2019-09-08 stsp {
2047 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2048 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST, 0, 0, -1,
2049 aba9c984 2019-09-08 stsp NULL, 0) == -1)
2050 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2051 aba9c984 2019-09-08 stsp "GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST");
2052 aba9c984 2019-09-08 stsp
2053 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2054 aba9c984 2019-09-08 stsp }
2055 aba9c984 2019-09-08 stsp
2056 aba9c984 2019-09-08 stsp const struct got_error *
2057 20b7abb3 2020-10-22 stsp got_privsep_send_gitconfig_repository_extensions_req(struct imsgbuf *ibuf)
2058 20b7abb3 2020-10-22 stsp {
2059 20b7abb3 2020-10-22 stsp if (imsg_compose(ibuf,
2060 20b7abb3 2020-10-22 stsp GOT_IMSG_GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST, 0, 0, -1,
2061 20b7abb3 2020-10-22 stsp NULL, 0) == -1)
2062 20b7abb3 2020-10-22 stsp return got_error_from_errno("imsg_compose "
2063 20b7abb3 2020-10-22 stsp "GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST");
2064 20b7abb3 2020-10-22 stsp
2065 20b7abb3 2020-10-22 stsp return flush_imsg(ibuf);
2066 20b7abb3 2020-10-22 stsp }
2067 20b7abb3 2020-10-22 stsp
2068 20b7abb3 2020-10-22 stsp
2069 20b7abb3 2020-10-22 stsp const struct got_error *
2070 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_name_req(struct imsgbuf *ibuf)
2071 aba9c984 2019-09-08 stsp {
2072 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2073 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_NAME_REQUEST, 0, 0, -1, NULL, 0) == -1)
2074 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2075 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_NAME_REQUEST");
2076 aba9c984 2019-09-08 stsp
2077 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2078 aba9c984 2019-09-08 stsp }
2079 aba9c984 2019-09-08 stsp
2080 aba9c984 2019-09-08 stsp const struct got_error *
2081 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_email_req(struct imsgbuf *ibuf)
2082 aba9c984 2019-09-08 stsp {
2083 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2084 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_EMAIL_REQUEST, 0, 0, -1, NULL, 0) == -1)
2085 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2086 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_EMAIL_REQUEST");
2087 cd95becd 2019-11-29 stsp
2088 cd95becd 2019-11-29 stsp return flush_imsg(ibuf);
2089 cd95becd 2019-11-29 stsp }
2090 cd95becd 2019-11-29 stsp
2091 cd95becd 2019-11-29 stsp const struct got_error *
2092 cd95becd 2019-11-29 stsp got_privsep_send_gitconfig_remotes_req(struct imsgbuf *ibuf)
2093 cd95becd 2019-11-29 stsp {
2094 cd95becd 2019-11-29 stsp if (imsg_compose(ibuf,
2095 cd95becd 2019-11-29 stsp GOT_IMSG_GITCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2096 cd95becd 2019-11-29 stsp return got_error_from_errno("imsg_compose "
2097 cd95becd 2019-11-29 stsp "GITCONFIG_REMOTE_REQUEST");
2098 aba9c984 2019-09-08 stsp
2099 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2100 aba9c984 2019-09-08 stsp }
2101 aba9c984 2019-09-08 stsp
2102 aba9c984 2019-09-08 stsp const struct got_error *
2103 9a1cc63f 2020-02-03 stsp got_privsep_send_gitconfig_owner_req(struct imsgbuf *ibuf)
2104 9a1cc63f 2020-02-03 stsp {
2105 9a1cc63f 2020-02-03 stsp if (imsg_compose(ibuf,
2106 9a1cc63f 2020-02-03 stsp GOT_IMSG_GITCONFIG_OWNER_REQUEST, 0, 0, -1, NULL, 0) == -1)
2107 9a1cc63f 2020-02-03 stsp return got_error_from_errno("imsg_compose "
2108 9a1cc63f 2020-02-03 stsp "GITCONFIG_OWNER_REQUEST");
2109 9a1cc63f 2020-02-03 stsp
2110 9a1cc63f 2020-02-03 stsp return flush_imsg(ibuf);
2111 9a1cc63f 2020-02-03 stsp }
2112 9a1cc63f 2020-02-03 stsp
2113 9a1cc63f 2020-02-03 stsp const struct got_error *
2114 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_str(char **str, struct imsgbuf *ibuf)
2115 aba9c984 2019-09-08 stsp {
2116 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2117 aba9c984 2019-09-08 stsp struct imsg imsg;
2118 aba9c984 2019-09-08 stsp size_t datalen;
2119 aba9c984 2019-09-08 stsp
2120 aba9c984 2019-09-08 stsp *str = NULL;
2121 aba9c984 2019-09-08 stsp
2122 12a8238e 2022-06-23 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2123 aba9c984 2019-09-08 stsp if (err)
2124 aba9c984 2019-09-08 stsp return err;
2125 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2126 aba9c984 2019-09-08 stsp
2127 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2128 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_STR_VAL:
2129 aba9c984 2019-09-08 stsp if (datalen == 0)
2130 aba9c984 2019-09-08 stsp break;
2131 fcbb06bf 2023-01-14 thomas *str = strndup(imsg.data, datalen);
2132 aba9c984 2019-09-08 stsp if (*str == NULL) {
2133 fcbb06bf 2023-01-14 thomas err = got_error_from_errno("strndup");
2134 aba9c984 2019-09-08 stsp break;
2135 aba9c984 2019-09-08 stsp }
2136 aba9c984 2019-09-08 stsp break;
2137 aba9c984 2019-09-08 stsp default:
2138 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2139 aba9c984 2019-09-08 stsp break;
2140 b091c2cd 2023-02-07 thomas }
2141 b091c2cd 2023-02-07 thomas
2142 b091c2cd 2023-02-07 thomas imsg_free(&imsg);
2143 b091c2cd 2023-02-07 thomas return err;
2144 b091c2cd 2023-02-07 thomas }
2145 b091c2cd 2023-02-07 thomas
2146 b091c2cd 2023-02-07 thomas const struct got_error *
2147 b091c2cd 2023-02-07 thomas got_privsep_recv_gitconfig_pair(char **key, char **val, struct imsgbuf *ibuf)
2148 b091c2cd 2023-02-07 thomas {
2149 b091c2cd 2023-02-07 thomas const struct got_error *err = NULL;
2150 b091c2cd 2023-02-07 thomas struct got_imsg_gitconfig_pair p;
2151 b091c2cd 2023-02-07 thomas struct imsg imsg;
2152 b091c2cd 2023-02-07 thomas size_t datalen;
2153 b091c2cd 2023-02-07 thomas uint8_t *data;
2154 b091c2cd 2023-02-07 thomas
2155 b091c2cd 2023-02-07 thomas *key = *val = NULL;
2156 b091c2cd 2023-02-07 thomas
2157 b091c2cd 2023-02-07 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2158 b091c2cd 2023-02-07 thomas if (err)
2159 b091c2cd 2023-02-07 thomas return err;
2160 b091c2cd 2023-02-07 thomas
2161 b091c2cd 2023-02-07 thomas data = imsg.data;
2162 b091c2cd 2023-02-07 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2163 b091c2cd 2023-02-07 thomas
2164 b091c2cd 2023-02-07 thomas if (imsg.hdr.type != GOT_IMSG_GITCONFIG_PAIR) {
2165 b091c2cd 2023-02-07 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2166 b091c2cd 2023-02-07 thomas goto done;
2167 b091c2cd 2023-02-07 thomas }
2168 b091c2cd 2023-02-07 thomas
2169 b091c2cd 2023-02-07 thomas if (datalen < sizeof(p)) {
2170 b091c2cd 2023-02-07 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2171 b091c2cd 2023-02-07 thomas goto done;
2172 b091c2cd 2023-02-07 thomas }
2173 b091c2cd 2023-02-07 thomas
2174 b091c2cd 2023-02-07 thomas memcpy(&p, data, sizeof(p));
2175 b091c2cd 2023-02-07 thomas data += sizeof(p);
2176 b091c2cd 2023-02-07 thomas
2177 b091c2cd 2023-02-07 thomas if (datalen != sizeof(p) + p.klen + p.vlen) {
2178 b091c2cd 2023-02-07 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2179 b091c2cd 2023-02-07 thomas goto done;
2180 b091c2cd 2023-02-07 thomas }
2181 b091c2cd 2023-02-07 thomas
2182 b091c2cd 2023-02-07 thomas *key = strndup(data, p.klen);
2183 b091c2cd 2023-02-07 thomas if (*key == NULL) {
2184 b091c2cd 2023-02-07 thomas err = got_error_from_errno("strndup");
2185 b091c2cd 2023-02-07 thomas goto done;
2186 b091c2cd 2023-02-07 thomas }
2187 b091c2cd 2023-02-07 thomas data += p.klen;
2188 b091c2cd 2023-02-07 thomas
2189 b091c2cd 2023-02-07 thomas *val = strndup(data, p.vlen);
2190 b091c2cd 2023-02-07 thomas if (*val == NULL) {
2191 b091c2cd 2023-02-07 thomas err = got_error_from_errno("strndup");
2192 b091c2cd 2023-02-07 thomas goto done;
2193 aba9c984 2019-09-08 stsp }
2194 876c234b 2018-09-10 stsp
2195 b091c2cd 2023-02-07 thomas done:
2196 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2197 aba9c984 2019-09-08 stsp return err;
2198 aba9c984 2019-09-08 stsp }
2199 aba9c984 2019-09-08 stsp
2200 aba9c984 2019-09-08 stsp const struct got_error *
2201 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_int(int *val, struct imsgbuf *ibuf)
2202 aba9c984 2019-09-08 stsp {
2203 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2204 aba9c984 2019-09-08 stsp struct imsg imsg;
2205 aba9c984 2019-09-08 stsp size_t datalen;
2206 202f996b 2024-03-02 thomas const size_t min_datalen = sizeof(int);
2207 aba9c984 2019-09-08 stsp
2208 aba9c984 2019-09-08 stsp *val = 0;
2209 aba9c984 2019-09-08 stsp
2210 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2211 aba9c984 2019-09-08 stsp if (err)
2212 aba9c984 2019-09-08 stsp return err;
2213 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2214 aba9c984 2019-09-08 stsp
2215 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2216 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_INT_VAL:
2217 aba9c984 2019-09-08 stsp if (datalen != sizeof(*val)) {
2218 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2219 aba9c984 2019-09-08 stsp break;
2220 aba9c984 2019-09-08 stsp }
2221 aba9c984 2019-09-08 stsp memcpy(val, imsg.data, sizeof(*val));
2222 cd95becd 2019-11-29 stsp break;
2223 cd95becd 2019-11-29 stsp default:
2224 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2225 cd95becd 2019-11-29 stsp break;
2226 cd95becd 2019-11-29 stsp }
2227 cd95becd 2019-11-29 stsp
2228 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2229 cd95becd 2019-11-29 stsp return err;
2230 b8adfa55 2020-09-25 stsp }
2231 b8adfa55 2020-09-25 stsp
2232 b8adfa55 2020-09-25 stsp static void
2233 b8adfa55 2020-09-25 stsp free_remote_data(struct got_remote_repo *remote)
2234 b8adfa55 2020-09-25 stsp {
2235 b8adfa55 2020-09-25 stsp int i;
2236 b8adfa55 2020-09-25 stsp
2237 b8adfa55 2020-09-25 stsp free(remote->name);
2238 6480c871 2021-08-30 stsp free(remote->fetch_url);
2239 6480c871 2021-08-30 stsp free(remote->send_url);
2240 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_branches; i++)
2241 6480c871 2021-08-30 stsp free(remote->fetch_branches[i]);
2242 6480c871 2021-08-30 stsp free(remote->fetch_branches);
2243 6480c871 2021-08-30 stsp for (i = 0; i < remote->nsend_branches; i++)
2244 6480c871 2021-08-30 stsp free(remote->send_branches[i]);
2245 6480c871 2021-08-30 stsp free(remote->send_branches);
2246 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_refs; i++)
2247 6480c871 2021-08-30 stsp free(remote->fetch_refs[i]);
2248 6480c871 2021-08-30 stsp free(remote->fetch_refs);
2249 cd95becd 2019-11-29 stsp }
2250 cd95becd 2019-11-29 stsp
2251 cd95becd 2019-11-29 stsp const struct got_error *
2252 cd95becd 2019-11-29 stsp got_privsep_recv_gitconfig_remotes(struct got_remote_repo **remotes,
2253 cd95becd 2019-11-29 stsp int *nremotes, struct imsgbuf *ibuf)
2254 cd95becd 2019-11-29 stsp {
2255 cd95becd 2019-11-29 stsp const struct got_error *err = NULL;
2256 cd95becd 2019-11-29 stsp struct imsg imsg;
2257 cd95becd 2019-11-29 stsp size_t datalen;
2258 cd95becd 2019-11-29 stsp struct got_imsg_remotes iremotes;
2259 cd95becd 2019-11-29 stsp struct got_imsg_remote iremote;
2260 cd95becd 2019-11-29 stsp
2261 cd95becd 2019-11-29 stsp *remotes = NULL;
2262 cd95becd 2019-11-29 stsp *nremotes = 0;
2263 d669b9c9 2020-02-22 stsp iremotes.nremotes = 0;
2264 cd95becd 2019-11-29 stsp
2265 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremotes));
2266 cd95becd 2019-11-29 stsp if (err)
2267 cd95becd 2019-11-29 stsp return err;
2268 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2269 cd95becd 2019-11-29 stsp
2270 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2271 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTES:
2272 cd95becd 2019-11-29 stsp if (datalen != sizeof(iremotes)) {
2273 ceda7883 2024-01-26 thomas imsg_free(&imsg);
2274 ceda7883 2024-01-26 thomas return got_error(GOT_ERR_PRIVSEP_LEN);
2275 cd95becd 2019-11-29 stsp }
2276 cd95becd 2019-11-29 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2277 cd95becd 2019-11-29 stsp if (iremotes.nremotes == 0) {
2278 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2279 cd95becd 2019-11-29 stsp return NULL;
2280 cd95becd 2019-11-29 stsp }
2281 aba9c984 2019-09-08 stsp break;
2282 aba9c984 2019-09-08 stsp default:
2283 54b1c5b5 2020-02-22 stsp imsg_free(&imsg);
2284 54b1c5b5 2020-02-22 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2285 aba9c984 2019-09-08 stsp }
2286 aba9c984 2019-09-08 stsp
2287 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2288 cd95becd 2019-11-29 stsp
2289 5146eb39 2020-03-20 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2290 cd95becd 2019-11-29 stsp if (*remotes == NULL)
2291 cd95becd 2019-11-29 stsp return got_error_from_errno("recallocarray");
2292 cd95becd 2019-11-29 stsp
2293 cd95becd 2019-11-29 stsp while (*nremotes < iremotes.nremotes) {
2294 cd95becd 2019-11-29 stsp struct got_remote_repo *remote;
2295 3168e5da 2020-09-10 stsp
2296 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremote));
2297 cd95becd 2019-11-29 stsp if (err)
2298 cd95becd 2019-11-29 stsp break;
2299 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2300 cd95becd 2019-11-29 stsp
2301 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2302 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTE:
2303 cd95becd 2019-11-29 stsp remote = &(*remotes)[*nremotes];
2304 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2305 cd95becd 2019-11-29 stsp if (datalen < sizeof(iremote)) {
2306 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2307 cd95becd 2019-11-29 stsp break;
2308 cd95becd 2019-11-29 stsp }
2309 cd95becd 2019-11-29 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2310 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2311 6480c871 2021-08-30 stsp iremote.fetch_url_len == 0 ||
2312 6480c871 2021-08-30 stsp iremote.send_url_len == 0 ||
2313 cd95becd 2019-11-29 stsp (sizeof(iremote) + iremote.name_len +
2314 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) > datalen) {
2315 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2316 cd95becd 2019-11-29 stsp break;
2317 cd95becd 2019-11-29 stsp }
2318 cd95becd 2019-11-29 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2319 cd95becd 2019-11-29 stsp iremote.name_len);
2320 cd95becd 2019-11-29 stsp if (remote->name == NULL) {
2321 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2322 cd95becd 2019-11-29 stsp break;
2323 cd95becd 2019-11-29 stsp }
2324 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data + sizeof(iremote) +
2325 6480c871 2021-08-30 stsp iremote.name_len, iremote.fetch_url_len);
2326 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2327 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2328 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2329 cd95becd 2019-11-29 stsp break;
2330 cd95becd 2019-11-29 stsp }
2331 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data + sizeof(iremote) +
2332 6480c871 2021-08-30 stsp iremote.name_len + iremote.fetch_url_len,
2333 6480c871 2021-08-30 stsp iremote.send_url_len);
2334 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2335 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2336 6480c871 2021-08-30 stsp free_remote_data(remote);
2337 6480c871 2021-08-30 stsp break;
2338 6480c871 2021-08-30 stsp }
2339 469dd726 2020-03-20 stsp remote->mirror_references = iremote.mirror_references;
2340 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2341 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2342 6480c871 2021-08-30 stsp remote->fetch_branches = NULL;
2343 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2344 6480c871 2021-08-30 stsp remote->send_branches = NULL;
2345 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2346 6480c871 2021-08-30 stsp remote->fetch_refs = NULL;
2347 cd95becd 2019-11-29 stsp (*nremotes)++;
2348 cd95becd 2019-11-29 stsp break;
2349 cd95becd 2019-11-29 stsp default:
2350 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2351 cd95becd 2019-11-29 stsp break;
2352 cd95becd 2019-11-29 stsp }
2353 cd95becd 2019-11-29 stsp
2354 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2355 cd95becd 2019-11-29 stsp if (err)
2356 cd95becd 2019-11-29 stsp break;
2357 cd95becd 2019-11-29 stsp }
2358 cd95becd 2019-11-29 stsp
2359 cd95becd 2019-11-29 stsp if (err) {
2360 cd95becd 2019-11-29 stsp int i;
2361 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2362 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2363 cd95becd 2019-11-29 stsp free(*remotes);
2364 cd95becd 2019-11-29 stsp *remotes = NULL;
2365 cd95becd 2019-11-29 stsp *nremotes = 0;
2366 cd95becd 2019-11-29 stsp }
2367 aba9c984 2019-09-08 stsp return err;
2368 257add31 2020-09-09 stsp }
2369 257add31 2020-09-09 stsp
2370 257add31 2020-09-09 stsp const struct got_error *
2371 257add31 2020-09-09 stsp got_privsep_send_gotconfig_parse_req(struct imsgbuf *ibuf, int fd)
2372 257add31 2020-09-09 stsp {
2373 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2374 257add31 2020-09-09 stsp
2375 257add31 2020-09-09 stsp if (imsg_compose(ibuf, GOT_IMSG_GOTCONFIG_PARSE_REQUEST, 0, 0, fd,
2376 257add31 2020-09-09 stsp NULL, 0) == -1) {
2377 257add31 2020-09-09 stsp err = got_error_from_errno("imsg_compose "
2378 257add31 2020-09-09 stsp "GOTCONFIG_PARSE_REQUEST");
2379 257add31 2020-09-09 stsp close(fd);
2380 257add31 2020-09-09 stsp return err;
2381 257add31 2020-09-09 stsp }
2382 257add31 2020-09-09 stsp
2383 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2384 257add31 2020-09-09 stsp }
2385 257add31 2020-09-09 stsp
2386 257add31 2020-09-09 stsp const struct got_error *
2387 257add31 2020-09-09 stsp got_privsep_send_gotconfig_author_req(struct imsgbuf *ibuf)
2388 257add31 2020-09-09 stsp {
2389 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2390 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_AUTHOR_REQUEST, 0, 0, -1, NULL, 0) == -1)
2391 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2392 257add31 2020-09-09 stsp "GOTCONFIG_AUTHOR_REQUEST");
2393 871bd038 2022-07-03 thomas
2394 871bd038 2022-07-03 thomas return flush_imsg(ibuf);
2395 871bd038 2022-07-03 thomas }
2396 871bd038 2022-07-03 thomas
2397 871bd038 2022-07-03 thomas const struct got_error *
2398 871bd038 2022-07-03 thomas got_privsep_send_gotconfig_allowed_signers_req(struct imsgbuf *ibuf)
2399 871bd038 2022-07-03 thomas {
2400 871bd038 2022-07-03 thomas if (imsg_compose(ibuf,
2401 871bd038 2022-07-03 thomas GOT_IMSG_GOTCONFIG_ALLOWEDSIGNERS_REQUEST, 0, 0, -1, NULL, 0) == -1)
2402 871bd038 2022-07-03 thomas return got_error_from_errno("imsg_compose "
2403 871bd038 2022-07-03 thomas "GOTCONFIG_ALLOWEDSIGNERS_REQUEST");
2404 871bd038 2022-07-03 thomas
2405 871bd038 2022-07-03 thomas return flush_imsg(ibuf);
2406 871bd038 2022-07-03 thomas }
2407 871bd038 2022-07-03 thomas
2408 871bd038 2022-07-03 thomas const struct got_error *
2409 871bd038 2022-07-03 thomas got_privsep_send_gotconfig_revoked_signers_req(struct imsgbuf *ibuf)
2410 871bd038 2022-07-03 thomas {
2411 871bd038 2022-07-03 thomas if (imsg_compose(ibuf,
2412 871bd038 2022-07-03 thomas GOT_IMSG_GOTCONFIG_REVOKEDSIGNERS_REQUEST, 0, 0, -1, NULL, 0) == -1)
2413 871bd038 2022-07-03 thomas return got_error_from_errno("imsg_compose "
2414 871bd038 2022-07-03 thomas "GOTCONFIG_REVOKEDSIGNERS_REQUEST");
2415 257add31 2020-09-09 stsp
2416 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2417 ca6e02ac 2020-01-07 stsp }
2418 ca6e02ac 2020-01-07 stsp
2419 ca6e02ac 2020-01-07 stsp const struct got_error *
2420 ff5e1f09 2022-07-06 thomas got_privsep_send_gotconfig_signer_id_req(struct imsgbuf *ibuf)
2421 ff5e1f09 2022-07-06 thomas {
2422 ff5e1f09 2022-07-06 thomas if (imsg_compose(ibuf,
2423 ff5e1f09 2022-07-06 thomas GOT_IMSG_GOTCONFIG_SIGNERID_REQUEST, 0, 0, -1, NULL, 0) == -1)
2424 ff5e1f09 2022-07-06 thomas return got_error_from_errno("imsg_compose "
2425 ff5e1f09 2022-07-06 thomas "GOTCONFIG_SIGNERID_REQUEST");
2426 ff5e1f09 2022-07-06 thomas
2427 ff5e1f09 2022-07-06 thomas return flush_imsg(ibuf);
2428 ff5e1f09 2022-07-06 thomas }
2429 ff5e1f09 2022-07-06 thomas
2430 ff5e1f09 2022-07-06 thomas const struct got_error *
2431 257add31 2020-09-09 stsp got_privsep_send_gotconfig_remotes_req(struct imsgbuf *ibuf)
2432 257add31 2020-09-09 stsp {
2433 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2434 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2435 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2436 257add31 2020-09-09 stsp "GOTCONFIG_REMOTE_REQUEST");
2437 257add31 2020-09-09 stsp
2438 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2439 257add31 2020-09-09 stsp }
2440 257add31 2020-09-09 stsp
2441 257add31 2020-09-09 stsp const struct got_error *
2442 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_str(char **str, struct imsgbuf *ibuf)
2443 257add31 2020-09-09 stsp {
2444 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2445 257add31 2020-09-09 stsp struct imsg imsg;
2446 257add31 2020-09-09 stsp size_t datalen;
2447 257add31 2020-09-09 stsp
2448 257add31 2020-09-09 stsp *str = NULL;
2449 257add31 2020-09-09 stsp
2450 12a8238e 2022-06-23 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2451 257add31 2020-09-09 stsp if (err)
2452 257add31 2020-09-09 stsp return err;
2453 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2454 257add31 2020-09-09 stsp
2455 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2456 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_STR_VAL:
2457 257add31 2020-09-09 stsp if (datalen == 0)
2458 257add31 2020-09-09 stsp break;
2459 fcbb06bf 2023-01-14 thomas *str = strndup(imsg.data, datalen);
2460 257add31 2020-09-09 stsp if (*str == NULL) {
2461 fcbb06bf 2023-01-14 thomas err = got_error_from_errno("strndup");
2462 257add31 2020-09-09 stsp break;
2463 257add31 2020-09-09 stsp }
2464 257add31 2020-09-09 stsp break;
2465 257add31 2020-09-09 stsp default:
2466 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2467 257add31 2020-09-09 stsp break;
2468 257add31 2020-09-09 stsp }
2469 257add31 2020-09-09 stsp
2470 257add31 2020-09-09 stsp imsg_free(&imsg);
2471 257add31 2020-09-09 stsp return err;
2472 257add31 2020-09-09 stsp }
2473 257add31 2020-09-09 stsp
2474 257add31 2020-09-09 stsp const struct got_error *
2475 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_remotes(struct got_remote_repo **remotes,
2476 257add31 2020-09-09 stsp int *nremotes, struct imsgbuf *ibuf)
2477 257add31 2020-09-09 stsp {
2478 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2479 257add31 2020-09-09 stsp struct imsg imsg;
2480 257add31 2020-09-09 stsp size_t datalen;
2481 257add31 2020-09-09 stsp struct got_imsg_remotes iremotes;
2482 257add31 2020-09-09 stsp struct got_imsg_remote iremote;
2483 202f996b 2024-03-02 thomas const size_t min_datalen = sizeof(iremotes);
2484 257add31 2020-09-09 stsp
2485 257add31 2020-09-09 stsp *remotes = NULL;
2486 257add31 2020-09-09 stsp *nremotes = 0;
2487 257add31 2020-09-09 stsp iremotes.nremotes = 0;
2488 257add31 2020-09-09 stsp
2489 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2490 257add31 2020-09-09 stsp if (err)
2491 257add31 2020-09-09 stsp return err;
2492 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2493 257add31 2020-09-09 stsp
2494 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2495 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTES:
2496 257add31 2020-09-09 stsp if (datalen != sizeof(iremotes)) {
2497 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2498 257add31 2020-09-09 stsp break;
2499 257add31 2020-09-09 stsp }
2500 257add31 2020-09-09 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2501 31d32634 2022-06-23 thomas if (iremotes.nremotes < 0) {
2502 31d32634 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2503 31d32634 2022-06-23 thomas break;
2504 31d32634 2022-06-23 thomas }
2505 257add31 2020-09-09 stsp if (iremotes.nremotes == 0) {
2506 257add31 2020-09-09 stsp imsg_free(&imsg);
2507 257add31 2020-09-09 stsp return NULL;
2508 257add31 2020-09-09 stsp }
2509 257add31 2020-09-09 stsp break;
2510 257add31 2020-09-09 stsp default:
2511 257add31 2020-09-09 stsp imsg_free(&imsg);
2512 257add31 2020-09-09 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2513 257add31 2020-09-09 stsp }
2514 257add31 2020-09-09 stsp
2515 257add31 2020-09-09 stsp imsg_free(&imsg);
2516 257add31 2020-09-09 stsp
2517 257add31 2020-09-09 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2518 257add31 2020-09-09 stsp if (*remotes == NULL)
2519 257add31 2020-09-09 stsp return got_error_from_errno("recallocarray");
2520 257add31 2020-09-09 stsp
2521 257add31 2020-09-09 stsp while (*nremotes < iremotes.nremotes) {
2522 257add31 2020-09-09 stsp struct got_remote_repo *remote;
2523 202f996b 2024-03-02 thomas const size_t min_datalen = sizeof(iremote);
2524 b8adfa55 2020-09-25 stsp int i;
2525 257add31 2020-09-09 stsp
2526 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2527 257add31 2020-09-09 stsp if (err)
2528 257add31 2020-09-09 stsp break;
2529 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2530 257add31 2020-09-09 stsp
2531 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2532 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTE:
2533 257add31 2020-09-09 stsp remote = &(*remotes)[*nremotes];
2534 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2535 257add31 2020-09-09 stsp if (datalen < sizeof(iremote)) {
2536 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2537 257add31 2020-09-09 stsp break;
2538 257add31 2020-09-09 stsp }
2539 257add31 2020-09-09 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2540 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2541 6480c871 2021-08-30 stsp (iremote.fetch_url_len == 0 &&
2542 6480c871 2021-08-30 stsp iremote.send_url_len == 0) ||
2543 257add31 2020-09-09 stsp (sizeof(iremote) + iremote.name_len +
2544 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) >
2545 6480c871 2021-08-30 stsp datalen) {
2546 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2547 257add31 2020-09-09 stsp break;
2548 257add31 2020-09-09 stsp }
2549 257add31 2020-09-09 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2550 257add31 2020-09-09 stsp iremote.name_len);
2551 257add31 2020-09-09 stsp if (remote->name == NULL) {
2552 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2553 257add31 2020-09-09 stsp break;
2554 257add31 2020-09-09 stsp }
2555 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data +
2556 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len,
2557 6480c871 2021-08-30 stsp iremote.fetch_url_len);
2558 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2559 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2560 6480c871 2021-08-30 stsp free_remote_data(remote);
2561 6480c871 2021-08-30 stsp break;
2562 6480c871 2021-08-30 stsp }
2563 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data +
2564 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len +
2565 6480c871 2021-08-30 stsp iremote.fetch_url_len, iremote.send_url_len);
2566 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2567 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2568 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2569 257add31 2020-09-09 stsp break;
2570 257add31 2020-09-09 stsp }
2571 257add31 2020-09-09 stsp remote->mirror_references = iremote.mirror_references;
2572 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2573 6480c871 2021-08-30 stsp if (iremote.nfetch_branches > 0) {
2574 6480c871 2021-08-30 stsp remote->fetch_branches = recallocarray(NULL, 0,
2575 6480c871 2021-08-30 stsp iremote.nfetch_branches, sizeof(char *));
2576 6480c871 2021-08-30 stsp if (remote->fetch_branches == NULL) {
2577 b8adfa55 2020-09-25 stsp err = got_error_from_errno("calloc");
2578 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2579 b8adfa55 2020-09-25 stsp break;
2580 b8adfa55 2020-09-25 stsp }
2581 b8adfa55 2020-09-25 stsp }
2582 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2583 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_branches; i++) {
2584 b8adfa55 2020-09-25 stsp char *branch;
2585 b8adfa55 2020-09-25 stsp err = got_privsep_recv_gotconfig_str(&branch,
2586 b8adfa55 2020-09-25 stsp ibuf);
2587 b8adfa55 2020-09-25 stsp if (err) {
2588 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2589 b8adfa55 2020-09-25 stsp goto done;
2590 b8adfa55 2020-09-25 stsp }
2591 6480c871 2021-08-30 stsp remote->fetch_branches[i] = branch;
2592 6480c871 2021-08-30 stsp remote->nfetch_branches++;
2593 99495ddb 2021-01-10 stsp }
2594 6480c871 2021-08-30 stsp if (iremote.nsend_branches > 0) {
2595 6480c871 2021-08-30 stsp remote->send_branches = recallocarray(NULL, 0,
2596 6480c871 2021-08-30 stsp iremote.nsend_branches, sizeof(char *));
2597 6480c871 2021-08-30 stsp if (remote->send_branches == NULL) {
2598 99495ddb 2021-01-10 stsp err = got_error_from_errno("calloc");
2599 99495ddb 2021-01-10 stsp free_remote_data(remote);
2600 99495ddb 2021-01-10 stsp break;
2601 99495ddb 2021-01-10 stsp }
2602 b8adfa55 2020-09-25 stsp }
2603 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2604 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nsend_branches; i++) {
2605 6480c871 2021-08-30 stsp char *branch;
2606 6480c871 2021-08-30 stsp err = got_privsep_recv_gotconfig_str(&branch,
2607 6480c871 2021-08-30 stsp ibuf);
2608 6480c871 2021-08-30 stsp if (err) {
2609 6480c871 2021-08-30 stsp free_remote_data(remote);
2610 6480c871 2021-08-30 stsp goto done;
2611 6480c871 2021-08-30 stsp }
2612 6480c871 2021-08-30 stsp remote->send_branches[i] = branch;
2613 6480c871 2021-08-30 stsp remote->nsend_branches++;
2614 6480c871 2021-08-30 stsp }
2615 6480c871 2021-08-30 stsp if (iremote.nfetch_refs > 0) {
2616 6480c871 2021-08-30 stsp remote->fetch_refs = recallocarray(NULL, 0,
2617 6480c871 2021-08-30 stsp iremote.nfetch_refs, sizeof(char *));
2618 6480c871 2021-08-30 stsp if (remote->fetch_refs == NULL) {
2619 6480c871 2021-08-30 stsp err = got_error_from_errno("calloc");
2620 6480c871 2021-08-30 stsp free_remote_data(remote);
2621 6480c871 2021-08-30 stsp break;
2622 6480c871 2021-08-30 stsp }
2623 6480c871 2021-08-30 stsp }
2624 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2625 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_refs; i++) {
2626 99495ddb 2021-01-10 stsp char *ref;
2627 99495ddb 2021-01-10 stsp err = got_privsep_recv_gotconfig_str(&ref,
2628 99495ddb 2021-01-10 stsp ibuf);
2629 99495ddb 2021-01-10 stsp if (err) {
2630 99495ddb 2021-01-10 stsp free_remote_data(remote);
2631 99495ddb 2021-01-10 stsp goto done;
2632 99495ddb 2021-01-10 stsp }
2633 6480c871 2021-08-30 stsp remote->fetch_refs[i] = ref;
2634 6480c871 2021-08-30 stsp remote->nfetch_refs++;
2635 99495ddb 2021-01-10 stsp }
2636 257add31 2020-09-09 stsp (*nremotes)++;
2637 257add31 2020-09-09 stsp break;
2638 257add31 2020-09-09 stsp default:
2639 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2640 257add31 2020-09-09 stsp break;
2641 257add31 2020-09-09 stsp }
2642 257add31 2020-09-09 stsp
2643 257add31 2020-09-09 stsp imsg_free(&imsg);
2644 257add31 2020-09-09 stsp if (err)
2645 257add31 2020-09-09 stsp break;
2646 257add31 2020-09-09 stsp }
2647 b8adfa55 2020-09-25 stsp done:
2648 257add31 2020-09-09 stsp if (err) {
2649 257add31 2020-09-09 stsp int i;
2650 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2651 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2652 257add31 2020-09-09 stsp free(*remotes);
2653 257add31 2020-09-09 stsp *remotes = NULL;
2654 257add31 2020-09-09 stsp *nremotes = 0;
2655 257add31 2020-09-09 stsp }
2656 257add31 2020-09-09 stsp return err;
2657 257add31 2020-09-09 stsp }
2658 257add31 2020-09-09 stsp
2659 257add31 2020-09-09 stsp const struct got_error *
2660 ca6e02ac 2020-01-07 stsp got_privsep_send_commit_traversal_request(struct imsgbuf *ibuf,
2661 abc59930 2021-09-05 naddy struct got_object_id *id, int idx, const char *path)
2662 ca6e02ac 2020-01-07 stsp {
2663 ca6e02ac 2020-01-07 stsp struct ibuf *wbuf;
2664 a578d6ec 2023-03-01 thomas size_t path_len = strlen(path);
2665 ca6e02ac 2020-01-07 stsp
2666 ca6e02ac 2020-01-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_COMMIT_TRAVERSAL_REQUEST, 0, 0,
2667 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_traversal_request) + path_len);
2668 ca6e02ac 2020-01-07 stsp if (wbuf == NULL)
2669 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
2670 ca6e02ac 2020-01-07 stsp "imsg_create COMMIT_TRAVERSAL_REQUEST");
2671 a578d6ec 2023-03-01 thomas /*
2672 a578d6ec 2023-03-01 thomas * Keep in sync with struct got_imsg_commit_traversal_request
2673 a578d6ec 2023-03-01 thomas * and struct got_imsg_packed_object.
2674 a578d6ec 2023-03-01 thomas */
2675 a578d6ec 2023-03-01 thomas if (imsg_add(wbuf, id, sizeof(*id)) == -1)
2676 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add "
2677 e9f1a409 2022-05-19 thomas "COMMIT_TRAVERSAL_REQUEST");
2678 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &idx, sizeof(idx)) == -1)
2679 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add "
2680 e9f1a409 2022-05-19 thomas "COMMIT_TRAVERSAL_REQUEST");
2681 a578d6ec 2023-03-01 thomas if (imsg_add(wbuf, &path_len, sizeof(path_len)) == -1)
2682 a578d6ec 2023-03-01 thomas return got_error_from_errno("imsg_add "
2683 a578d6ec 2023-03-01 thomas "COMMIT_TRAVERSAL_REQUEST");
2684 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, path, path_len) == -1)
2685 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add "
2686 e9f1a409 2022-05-19 thomas "COMMIT_TRAVERSAL_REQUEST");
2687 ca6e02ac 2020-01-07 stsp
2688 ca6e02ac 2020-01-07 stsp imsg_close(ibuf, wbuf);
2689 ca6e02ac 2020-01-07 stsp return flush_imsg(ibuf);
2690 ca6e02ac 2020-01-07 stsp }
2691 ca6e02ac 2020-01-07 stsp
2692 ca6e02ac 2020-01-07 stsp const struct got_error *
2693 ca6e02ac 2020-01-07 stsp got_privsep_recv_traversed_commits(struct got_commit_object **changed_commit,
2694 ca6e02ac 2020-01-07 stsp struct got_object_id **changed_commit_id,
2695 ca6e02ac 2020-01-07 stsp struct got_object_id_queue *commit_ids, struct imsgbuf *ibuf)
2696 ca6e02ac 2020-01-07 stsp {
2697 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
2698 ca6e02ac 2020-01-07 stsp struct imsg imsg;
2699 ca6e02ac 2020-01-07 stsp struct got_imsg_traversed_commits *icommits;
2700 35cdfa2c 2023-02-20 thomas struct got_object_id *ids;
2701 ca6e02ac 2020-01-07 stsp size_t datalen;
2702 ca6e02ac 2020-01-07 stsp int i, done = 0;
2703 ca6e02ac 2020-01-07 stsp
2704 ca6e02ac 2020-01-07 stsp *changed_commit = NULL;
2705 ca6e02ac 2020-01-07 stsp *changed_commit_id = NULL;
2706 ca6e02ac 2020-01-07 stsp
2707 ca6e02ac 2020-01-07 stsp while (!done) {
2708 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2709 ca6e02ac 2020-01-07 stsp if (err)
2710 ca6e02ac 2020-01-07 stsp return err;
2711 ca6e02ac 2020-01-07 stsp
2712 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2713 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
2714 ca6e02ac 2020-01-07 stsp case GOT_IMSG_TRAVERSED_COMMITS:
2715 ca6e02ac 2020-01-07 stsp icommits = imsg.data;
2716 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommits) +
2717 35cdfa2c 2023-02-20 thomas icommits->ncommits * sizeof(*ids)) {
2718 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2719 ca6e02ac 2020-01-07 stsp break;
2720 ca6e02ac 2020-01-07 stsp }
2721 35cdfa2c 2023-02-20 thomas ids = imsg.data + sizeof(*icommits);
2722 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommits->ncommits; i++) {
2723 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
2724 35cdfa2c 2023-02-20 thomas
2725 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
2726 ca6e02ac 2020-01-07 stsp if (err)
2727 ca6e02ac 2020-01-07 stsp break;
2728 35cdfa2c 2023-02-20 thomas memcpy(&qid->id, &ids[i], sizeof(ids[i]));
2729 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(commit_ids, qid, entry);
2730 ca6e02ac 2020-01-07 stsp
2731 ca6e02ac 2020-01-07 stsp /* The last commit may contain a change. */
2732 ca6e02ac 2020-01-07 stsp if (i == icommits->ncommits - 1) {
2733 ca6e02ac 2020-01-07 stsp *changed_commit_id =
2734 ec242592 2022-04-22 thomas got_object_id_dup(&qid->id);
2735 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2736 ca6e02ac 2020-01-07 stsp err = got_error_from_errno(
2737 ca6e02ac 2020-01-07 stsp "got_object_id_dup");
2738 ca6e02ac 2020-01-07 stsp break;
2739 ca6e02ac 2020-01-07 stsp }
2740 ca6e02ac 2020-01-07 stsp }
2741 ca6e02ac 2020-01-07 stsp }
2742 ca6e02ac 2020-01-07 stsp break;
2743 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
2744 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2745 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2746 ca6e02ac 2020-01-07 stsp break;
2747 ca6e02ac 2020-01-07 stsp }
2748 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(changed_commit, &imsg,
2749 ca6e02ac 2020-01-07 stsp datalen, ibuf);
2750 ca6e02ac 2020-01-07 stsp break;
2751 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT_TRAVERSAL_DONE:
2752 ca6e02ac 2020-01-07 stsp done = 1;
2753 ca6e02ac 2020-01-07 stsp break;
2754 ca6e02ac 2020-01-07 stsp default:
2755 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2756 ca6e02ac 2020-01-07 stsp break;
2757 ca6e02ac 2020-01-07 stsp }
2758 ca6e02ac 2020-01-07 stsp
2759 ca6e02ac 2020-01-07 stsp imsg_free(&imsg);
2760 ca6e02ac 2020-01-07 stsp if (err)
2761 ca6e02ac 2020-01-07 stsp break;
2762 ca6e02ac 2020-01-07 stsp }
2763 ca6e02ac 2020-01-07 stsp
2764 ca6e02ac 2020-01-07 stsp if (err)
2765 ca6e02ac 2020-01-07 stsp got_object_id_queue_free(commit_ids);
2766 ca6e02ac 2020-01-07 stsp return err;
2767 63915ee5 2022-06-23 thomas }
2768 63915ee5 2022-06-23 thomas
2769 63915ee5 2022-06-23 thomas const struct got_error *
2770 63915ee5 2022-06-23 thomas got_privsep_send_enumerated_tree(size_t *totlen, struct imsgbuf *ibuf,
2771 63915ee5 2022-06-23 thomas struct got_object_id *tree_id, const char *path,
2772 63915ee5 2022-06-23 thomas struct got_parsed_tree_entry *entries, int nentries)
2773 63915ee5 2022-06-23 thomas {
2774 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
2775 63915ee5 2022-06-23 thomas struct ibuf *wbuf;
2776 63915ee5 2022-06-23 thomas size_t path_len = strlen(path);
2777 63915ee5 2022-06-23 thomas size_t msglen;
2778 63915ee5 2022-06-23 thomas
2779 63915ee5 2022-06-23 thomas msglen = sizeof(struct got_imsg_enumerated_tree) + path_len;
2780 63915ee5 2022-06-23 thomas wbuf = imsg_create(ibuf, GOT_IMSG_ENUMERATED_TREE, 0, 0, msglen);
2781 63915ee5 2022-06-23 thomas if (wbuf == NULL)
2782 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_create ENUMERATED_TREE");
2783 63915ee5 2022-06-23 thomas
2784 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, tree_id->sha1, SHA1_DIGEST_LENGTH) == -1)
2785 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_TREE");
2786 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, &nentries, sizeof(nentries)) == -1)
2787 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_TREE");
2788 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, path, path_len) == -1)
2789 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_TREE");
2790 63915ee5 2022-06-23 thomas
2791 63915ee5 2022-06-23 thomas imsg_close(ibuf, wbuf);
2792 63915ee5 2022-06-23 thomas
2793 63915ee5 2022-06-23 thomas if (entries) {
2794 63915ee5 2022-06-23 thomas err = send_tree_entries(ibuf, entries, nentries);
2795 63915ee5 2022-06-23 thomas if (err)
2796 63915ee5 2022-06-23 thomas return err;
2797 63915ee5 2022-06-23 thomas }
2798 63915ee5 2022-06-23 thomas
2799 63915ee5 2022-06-23 thomas return flush_imsg(ibuf);
2800 f9c2e8e5 2022-02-13 thomas }
2801 f9c2e8e5 2022-02-13 thomas
2802 f9c2e8e5 2022-02-13 thomas const struct got_error *
2803 63915ee5 2022-06-23 thomas got_privsep_send_object_enumeration_request(struct imsgbuf *ibuf)
2804 63915ee5 2022-06-23 thomas {
2805 63915ee5 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_REQUEST,
2806 63915ee5 2022-06-23 thomas 0, 0, -1, NULL, 0) == -1)
2807 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_compose "
2808 63915ee5 2022-06-23 thomas "OBJECT_ENUMERATION_REQUEST");
2809 63915ee5 2022-06-23 thomas
2810 63915ee5 2022-06-23 thomas return flush_imsg(ibuf);
2811 63915ee5 2022-06-23 thomas }
2812 63915ee5 2022-06-23 thomas
2813 63915ee5 2022-06-23 thomas const struct got_error *
2814 63915ee5 2022-06-23 thomas got_privsep_send_object_enumeration_done(struct imsgbuf *ibuf)
2815 63915ee5 2022-06-23 thomas {
2816 63915ee5 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_DONE,
2817 63915ee5 2022-06-23 thomas 0, 0, -1, NULL, 0) == -1)
2818 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_compose "
2819 63915ee5 2022-06-23 thomas "OBJECT_ENUMERATION_DONE");
2820 63915ee5 2022-06-23 thomas
2821 63915ee5 2022-06-23 thomas return flush_imsg(ibuf);
2822 63915ee5 2022-06-23 thomas }
2823 63915ee5 2022-06-23 thomas
2824 63915ee5 2022-06-23 thomas const struct got_error *
2825 e71f1e62 2022-06-23 thomas got_privsep_send_object_enumeration_incomplete(struct imsgbuf *ibuf)
2826 e71f1e62 2022-06-23 thomas {
2827 e71f1e62 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_INCOMPLETE,
2828 e71f1e62 2022-06-23 thomas 0, 0, -1, NULL, 0) == -1)
2829 e71f1e62 2022-06-23 thomas return got_error_from_errno("imsg_compose "
2830 e71f1e62 2022-06-23 thomas "OBJECT_ENUMERATION_INCOMPLETE");
2831 e71f1e62 2022-06-23 thomas
2832 e71f1e62 2022-06-23 thomas return flush_imsg(ibuf);
2833 e71f1e62 2022-06-23 thomas }
2834 e71f1e62 2022-06-23 thomas
2835 e71f1e62 2022-06-23 thomas const struct got_error *
2836 63915ee5 2022-06-23 thomas got_privsep_send_enumerated_commit(struct imsgbuf *ibuf,
2837 63915ee5 2022-06-23 thomas struct got_object_id *id, time_t mtime)
2838 63915ee5 2022-06-23 thomas {
2839 63915ee5 2022-06-23 thomas struct ibuf *wbuf;
2840 63915ee5 2022-06-23 thomas
2841 63915ee5 2022-06-23 thomas wbuf = imsg_create(ibuf, GOT_IMSG_ENUMERATED_COMMIT, 0, 0,
2842 63915ee5 2022-06-23 thomas sizeof(struct got_imsg_enumerated_commit) + SHA1_DIGEST_LENGTH);
2843 63915ee5 2022-06-23 thomas if (wbuf == NULL)
2844 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_create ENUMERATED_COMMIT");
2845 63915ee5 2022-06-23 thomas
2846 63915ee5 2022-06-23 thomas /* Keep in sync with struct got_imsg_enumerated_commit! */
2847 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, id, SHA1_DIGEST_LENGTH) == -1)
2848 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_COMMIT");
2849 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, &mtime, sizeof(mtime)) == -1)
2850 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_COMMIT");
2851 63915ee5 2022-06-23 thomas
2852 63915ee5 2022-06-23 thomas imsg_close(ibuf, wbuf);
2853 63915ee5 2022-06-23 thomas /* Don't flush yet, tree entries or ENUMERATION_DONE will follow. */
2854 63915ee5 2022-06-23 thomas return NULL;
2855 63915ee5 2022-06-23 thomas }
2856 63915ee5 2022-06-23 thomas
2857 63915ee5 2022-06-23 thomas const struct got_error *
2858 e71f1e62 2022-06-23 thomas got_privsep_recv_enumerated_objects(int *found_all_objects,
2859 e71f1e62 2022-06-23 thomas struct imsgbuf *ibuf,
2860 63915ee5 2022-06-23 thomas got_object_enumerate_commit_cb cb_commit,
2861 63915ee5 2022-06-23 thomas got_object_enumerate_tree_cb cb_tree, void *cb_arg,
2862 63915ee5 2022-06-23 thomas struct got_repository *repo)
2863 63915ee5 2022-06-23 thomas {
2864 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
2865 63915ee5 2022-06-23 thomas struct imsg imsg;
2866 63915ee5 2022-06-23 thomas struct got_imsg_enumerated_commit *icommit = NULL;
2867 63915ee5 2022-06-23 thomas struct got_object_id commit_id;
2868 63915ee5 2022-06-23 thomas int have_commit = 0;
2869 63915ee5 2022-06-23 thomas time_t mtime = 0;
2870 63915ee5 2022-06-23 thomas struct got_tree_object tree;
2871 63915ee5 2022-06-23 thomas struct got_imsg_enumerated_tree *itree;
2872 63915ee5 2022-06-23 thomas struct got_object_id tree_id;
2873 63915ee5 2022-06-23 thomas char *path = NULL, *canon_path = NULL;
2874 63915ee5 2022-06-23 thomas size_t datalen, path_len;
2875 63915ee5 2022-06-23 thomas int nentries = -1;
2876 63915ee5 2022-06-23 thomas int done = 0;
2877 63915ee5 2022-06-23 thomas
2878 e71f1e62 2022-06-23 thomas *found_all_objects = 0;
2879 63915ee5 2022-06-23 thomas memset(&tree, 0, sizeof(tree));
2880 63915ee5 2022-06-23 thomas
2881 63915ee5 2022-06-23 thomas while (!done) {
2882 63915ee5 2022-06-23 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2883 63915ee5 2022-06-23 thomas if (err)
2884 63915ee5 2022-06-23 thomas break;
2885 63915ee5 2022-06-23 thomas
2886 63915ee5 2022-06-23 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2887 63915ee5 2022-06-23 thomas switch (imsg.hdr.type) {
2888 77402035 2022-06-23 thomas case GOT_IMSG_ENUMERATED_COMMIT:
2889 63915ee5 2022-06-23 thomas if (have_commit && nentries != -1) {
2890 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2891 63915ee5 2022-06-23 thomas break;
2892 63915ee5 2022-06-23 thomas }
2893 63915ee5 2022-06-23 thomas if (datalen != sizeof(*icommit)) {
2894 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2895 63915ee5 2022-06-23 thomas break;
2896 63915ee5 2022-06-23 thomas }
2897 63915ee5 2022-06-23 thomas icommit = (struct got_imsg_enumerated_commit *)imsg.data;
2898 63915ee5 2022-06-23 thomas memcpy(commit_id.sha1, icommit->id, SHA1_DIGEST_LENGTH);
2899 63915ee5 2022-06-23 thomas mtime = icommit->mtime;
2900 63915ee5 2022-06-23 thomas have_commit = 1;
2901 63915ee5 2022-06-23 thomas break;
2902 63915ee5 2022-06-23 thomas case GOT_IMSG_ENUMERATED_TREE:
2903 63915ee5 2022-06-23 thomas /* Should be preceeded by GOT_IMSG_ENUMERATED_COMMIT. */
2904 63915ee5 2022-06-23 thomas if (!have_commit) {
2905 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2906 63915ee5 2022-06-23 thomas break;
2907 63915ee5 2022-06-23 thomas }
2908 63915ee5 2022-06-23 thomas if (datalen < sizeof(*itree)) {
2909 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2910 63915ee5 2022-06-23 thomas break;
2911 63915ee5 2022-06-23 thomas }
2912 63915ee5 2022-06-23 thomas itree = imsg.data;
2913 63915ee5 2022-06-23 thomas path_len = datalen - sizeof(*itree);
2914 63915ee5 2022-06-23 thomas if (path_len == 0) {
2915 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2916 63915ee5 2022-06-23 thomas break;
2917 63915ee5 2022-06-23 thomas }
2918 63915ee5 2022-06-23 thomas memcpy(tree_id.sha1, itree->id, sizeof(tree_id.sha1));
2919 63915ee5 2022-06-23 thomas free(path);
2920 fcbb06bf 2023-01-14 thomas path = strndup(imsg.data + sizeof(*itree), path_len);
2921 63915ee5 2022-06-23 thomas if (path == NULL) {
2922 fcbb06bf 2023-01-14 thomas err = got_error_from_errno("strndup");
2923 63915ee5 2022-06-23 thomas break;
2924 63915ee5 2022-06-23 thomas }
2925 63915ee5 2022-06-23 thomas free(canon_path);
2926 63915ee5 2022-06-23 thomas canon_path = malloc(path_len + 1);
2927 63915ee5 2022-06-23 thomas if (canon_path == NULL) {
2928 63915ee5 2022-06-23 thomas err = got_error_from_errno("malloc");
2929 63915ee5 2022-06-23 thomas break;
2930 63915ee5 2022-06-23 thomas }
2931 63915ee5 2022-06-23 thomas if (!got_path_is_absolute(path)) {
2932 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_BAD_PATH);
2933 63915ee5 2022-06-23 thomas break;
2934 63915ee5 2022-06-23 thomas }
2935 63915ee5 2022-06-23 thomas if (got_path_is_root_dir(path)) {
2936 63915ee5 2022-06-23 thomas /* XXX check what got_canonpath() does wrong */
2937 63915ee5 2022-06-23 thomas canon_path[0] = '/';
2938 63915ee5 2022-06-23 thomas canon_path[1] = '\0';
2939 63915ee5 2022-06-23 thomas } else {
2940 63915ee5 2022-06-23 thomas err = got_canonpath(path, canon_path,
2941 63915ee5 2022-06-23 thomas path_len + 1);
2942 63915ee5 2022-06-23 thomas if (err)
2943 63915ee5 2022-06-23 thomas break;
2944 63915ee5 2022-06-23 thomas }
2945 63915ee5 2022-06-23 thomas if (strcmp(path, canon_path) != 0) {
2946 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_BAD_PATH);
2947 63915ee5 2022-06-23 thomas break;
2948 63915ee5 2022-06-23 thomas }
2949 63915ee5 2022-06-23 thomas if (nentries != -1) {
2950 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2951 63915ee5 2022-06-23 thomas break;
2952 63915ee5 2022-06-23 thomas }
2953 63915ee5 2022-06-23 thomas if (itree->nentries < -1) {
2954 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2955 63915ee5 2022-06-23 thomas break;
2956 63915ee5 2022-06-23 thomas }
2957 63915ee5 2022-06-23 thomas if (itree->nentries == -1) {
2958 63915ee5 2022-06-23 thomas /* Tree was not found in pack file. */
2959 63915ee5 2022-06-23 thomas err = cb_tree(cb_arg, NULL, mtime, &tree_id,
2960 63915ee5 2022-06-23 thomas path, repo);
2961 63915ee5 2022-06-23 thomas break;
2962 63915ee5 2022-06-23 thomas }
2963 63915ee5 2022-06-23 thomas if (itree->nentries > INT_MAX) {
2964 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2965 63915ee5 2022-06-23 thomas break;
2966 63915ee5 2022-06-23 thomas }
2967 63915ee5 2022-06-23 thomas tree.entries = calloc(itree->nentries,
2968 63915ee5 2022-06-23 thomas sizeof(struct got_tree_entry));
2969 63915ee5 2022-06-23 thomas if (tree.entries == NULL) {
2970 63915ee5 2022-06-23 thomas err = got_error_from_errno("calloc");
2971 63915ee5 2022-06-23 thomas break;
2972 63915ee5 2022-06-23 thomas }
2973 63915ee5 2022-06-23 thomas if (itree->nentries == 0) {
2974 63915ee5 2022-06-23 thomas err = cb_tree(cb_arg, &tree, mtime, &tree_id,
2975 63915ee5 2022-06-23 thomas path, repo);
2976 63915ee5 2022-06-23 thomas if (err)
2977 63915ee5 2022-06-23 thomas break;
2978 63915ee5 2022-06-23 thomas
2979 63915ee5 2022-06-23 thomas /* Prepare for next tree. */
2980 63915ee5 2022-06-23 thomas free(tree.entries);
2981 63915ee5 2022-06-23 thomas memset(&tree, 0, sizeof(tree));
2982 63915ee5 2022-06-23 thomas nentries = -1;
2983 63915ee5 2022-06-23 thomas } else {
2984 63915ee5 2022-06-23 thomas tree.nentries = itree->nentries;
2985 63915ee5 2022-06-23 thomas nentries = 0;
2986 63915ee5 2022-06-23 thomas }
2987 63915ee5 2022-06-23 thomas break;
2988 63915ee5 2022-06-23 thomas case GOT_IMSG_TREE_ENTRIES:
2989 63915ee5 2022-06-23 thomas /* Should be preceeded by GOT_IMSG_ENUMERATED_TREE. */
2990 63915ee5 2022-06-23 thomas if (nentries <= -1) {
2991 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2992 63915ee5 2022-06-23 thomas break;
2993 63915ee5 2022-06-23 thomas }
2994 63915ee5 2022-06-23 thomas err = recv_tree_entries(imsg.data, datalen,
2995 63915ee5 2022-06-23 thomas &tree, &nentries);
2996 63915ee5 2022-06-23 thomas if (err)
2997 63915ee5 2022-06-23 thomas break;
2998 63915ee5 2022-06-23 thomas if (tree.nentries == nentries) {
2999 63915ee5 2022-06-23 thomas err = cb_tree(cb_arg, &tree, mtime, &tree_id,
3000 63915ee5 2022-06-23 thomas path, repo);
3001 63915ee5 2022-06-23 thomas if (err)
3002 63915ee5 2022-06-23 thomas break;
3003 63915ee5 2022-06-23 thomas
3004 63915ee5 2022-06-23 thomas /* Prepare for next tree. */
3005 63915ee5 2022-06-23 thomas free(tree.entries);
3006 63915ee5 2022-06-23 thomas memset(&tree, 0, sizeof(tree));
3007 63915ee5 2022-06-23 thomas nentries = -1;
3008 63915ee5 2022-06-23 thomas }
3009 63915ee5 2022-06-23 thomas break;
3010 63915ee5 2022-06-23 thomas case GOT_IMSG_TREE_ENUMERATION_DONE:
3011 63915ee5 2022-06-23 thomas /* All trees have been found and traversed. */
3012 63915ee5 2022-06-23 thomas if (!have_commit || path == NULL || nentries != -1) {
3013 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3014 63915ee5 2022-06-23 thomas break;
3015 63915ee5 2022-06-23 thomas }
3016 63915ee5 2022-06-23 thomas err = cb_commit(cb_arg, mtime, &commit_id, repo);
3017 63915ee5 2022-06-23 thomas if (err)
3018 63915ee5 2022-06-23 thomas break;
3019 63915ee5 2022-06-23 thomas have_commit = 0;
3020 63915ee5 2022-06-23 thomas break;
3021 63915ee5 2022-06-23 thomas case GOT_IMSG_OBJECT_ENUMERATION_DONE:
3022 e71f1e62 2022-06-23 thomas *found_all_objects = 1;
3023 e71f1e62 2022-06-23 thomas done = 1;
3024 e71f1e62 2022-06-23 thomas break;
3025 e71f1e62 2022-06-23 thomas case GOT_IMSG_OBJECT_ENUMERATION_INCOMPLETE:
3026 63915ee5 2022-06-23 thomas done = 1;
3027 63915ee5 2022-06-23 thomas break;
3028 63915ee5 2022-06-23 thomas default:
3029 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3030 63915ee5 2022-06-23 thomas break;
3031 63915ee5 2022-06-23 thomas }
3032 63915ee5 2022-06-23 thomas
3033 63915ee5 2022-06-23 thomas imsg_free(&imsg);
3034 63915ee5 2022-06-23 thomas if (err)
3035 63915ee5 2022-06-23 thomas break;
3036 63915ee5 2022-06-23 thomas }
3037 63915ee5 2022-06-23 thomas
3038 63915ee5 2022-06-23 thomas free(path);
3039 63915ee5 2022-06-23 thomas free(canon_path);
3040 63915ee5 2022-06-23 thomas free(tree.entries);
3041 63915ee5 2022-06-23 thomas return err;
3042 63915ee5 2022-06-23 thomas }
3043 63915ee5 2022-06-23 thomas
3044 63915ee5 2022-06-23 thomas const struct got_error *
3045 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta_req(struct imsgbuf *ibuf, int idx,
3046 f9c2e8e5 2022-02-13 thomas struct got_object_id *id)
3047 f9c2e8e5 2022-02-13 thomas {
3048 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta_request dreq;
3049 f9c2e8e5 2022-02-13 thomas
3050 c26ee7ad 2022-06-23 thomas memset(&dreq, 0, sizeof(dreq));
3051 f9c2e8e5 2022-02-13 thomas dreq.idx = idx;
3052 d77295e3 2023-02-03 thomas memcpy(&dreq.id, id, sizeof(dreq.id));
3053 f9c2e8e5 2022-02-13 thomas
3054 f9c2e8e5 2022-02-13 thomas if (imsg_compose(ibuf, GOT_IMSG_RAW_DELTA_REQUEST, 0, 0, -1,
3055 f9c2e8e5 2022-02-13 thomas &dreq, sizeof(dreq)) == -1)
3056 f9c2e8e5 2022-02-13 thomas return got_error_from_errno("imsg_compose RAW_DELTA_REQUEST");
3057 f9c2e8e5 2022-02-13 thomas
3058 f9c2e8e5 2022-02-13 thomas return flush_imsg(ibuf);
3059 f9c2e8e5 2022-02-13 thomas }
3060 f9c2e8e5 2022-02-13 thomas
3061 f9c2e8e5 2022-02-13 thomas const struct got_error *
3062 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta_outfd(struct imsgbuf *ibuf, int fd)
3063 f9c2e8e5 2022-02-13 thomas {
3064 f9c2e8e5 2022-02-13 thomas return send_fd(ibuf, GOT_IMSG_RAW_DELTA_OUTFD, fd);
3065 f9c2e8e5 2022-02-13 thomas }
3066 f9c2e8e5 2022-02-13 thomas
3067 f9c2e8e5 2022-02-13 thomas const struct got_error *
3068 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta(struct imsgbuf *ibuf, uint64_t base_size,
3069 9249e7e3 2022-05-12 thomas uint64_t result_size, off_t delta_size, off_t delta_compressed_size,
3070 9249e7e3 2022-05-12 thomas off_t delta_offset, off_t delta_out_offset, struct got_object_id *base_id)
3071 f9c2e8e5 2022-02-13 thomas {
3072 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta idelta;
3073 f9c2e8e5 2022-02-13 thomas int ret;
3074 f9c2e8e5 2022-02-13 thomas
3075 c26ee7ad 2022-06-23 thomas memset(&idelta, 0, sizeof(idelta));
3076 f9c2e8e5 2022-02-13 thomas idelta.base_size = base_size;
3077 f9c2e8e5 2022-02-13 thomas idelta.result_size = result_size;
3078 f9c2e8e5 2022-02-13 thomas idelta.delta_size = delta_size;
3079 9249e7e3 2022-05-12 thomas idelta.delta_compressed_size = delta_compressed_size;
3080 f9c2e8e5 2022-02-13 thomas idelta.delta_offset = delta_offset;
3081 f9c2e8e5 2022-02-13 thomas idelta.delta_out_offset = delta_out_offset;
3082 564a8b01 2023-02-03 thomas memcpy(&idelta.base_id, &base_id, sizeof(idelta.base_id));
3083 f9c2e8e5 2022-02-13 thomas
3084 f9c2e8e5 2022-02-13 thomas ret = imsg_compose(ibuf, GOT_IMSG_RAW_DELTA, 0, 0, -1,
3085 f9c2e8e5 2022-02-13 thomas &idelta, sizeof(idelta));
3086 f9c2e8e5 2022-02-13 thomas if (ret == -1)
3087 f9c2e8e5 2022-02-13 thomas return got_error_from_errno("imsg_compose RAW_DELTA");
3088 f9c2e8e5 2022-02-13 thomas
3089 f9c2e8e5 2022-02-13 thomas return flush_imsg(ibuf);
3090 ca6e02ac 2020-01-07 stsp }
3091 ca6e02ac 2020-01-07 stsp
3092 ca6e02ac 2020-01-07 stsp const struct got_error *
3093 f9c2e8e5 2022-02-13 thomas got_privsep_recv_raw_delta(uint64_t *base_size, uint64_t *result_size,
3094 9249e7e3 2022-05-12 thomas off_t *delta_size, off_t *delta_compressed_size, off_t *delta_offset,
3095 dd57e4ab 2023-02-03 thomas off_t *delta_out_offset, struct got_object_id **base_id,
3096 dd57e4ab 2023-02-03 thomas struct imsgbuf *ibuf)
3097 f9c2e8e5 2022-02-13 thomas {
3098 f9c2e8e5 2022-02-13 thomas const struct got_error *err = NULL;
3099 f9c2e8e5 2022-02-13 thomas struct imsg imsg;
3100 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta *delta;
3101 f9c2e8e5 2022-02-13 thomas size_t datalen;
3102 f9c2e8e5 2022-02-13 thomas
3103 f9c2e8e5 2022-02-13 thomas *base_size = 0;
3104 f9c2e8e5 2022-02-13 thomas *result_size = 0;
3105 f9c2e8e5 2022-02-13 thomas *delta_size = 0;
3106 9249e7e3 2022-05-12 thomas *delta_compressed_size = 0;
3107 f9c2e8e5 2022-02-13 thomas *delta_offset = 0;
3108 f9c2e8e5 2022-02-13 thomas *delta_out_offset = 0;
3109 f9c2e8e5 2022-02-13 thomas *base_id = NULL;
3110 f9c2e8e5 2022-02-13 thomas
3111 f9c2e8e5 2022-02-13 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3112 f9c2e8e5 2022-02-13 thomas if (err)
3113 f9c2e8e5 2022-02-13 thomas return err;
3114 f9c2e8e5 2022-02-13 thomas
3115 f9c2e8e5 2022-02-13 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3116 f9c2e8e5 2022-02-13 thomas
3117 f9c2e8e5 2022-02-13 thomas switch (imsg.hdr.type) {
3118 f9c2e8e5 2022-02-13 thomas case GOT_IMSG_RAW_DELTA:
3119 f9c2e8e5 2022-02-13 thomas if (datalen != sizeof(*delta)) {
3120 f9c2e8e5 2022-02-13 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3121 f9c2e8e5 2022-02-13 thomas break;
3122 f9c2e8e5 2022-02-13 thomas }
3123 f9c2e8e5 2022-02-13 thomas delta = imsg.data;
3124 f9c2e8e5 2022-02-13 thomas *base_size = delta->base_size;
3125 f9c2e8e5 2022-02-13 thomas *result_size = delta->result_size;
3126 f9c2e8e5 2022-02-13 thomas *delta_size = delta->delta_size;
3127 9249e7e3 2022-05-12 thomas *delta_compressed_size = delta->delta_compressed_size;
3128 f9c2e8e5 2022-02-13 thomas *delta_offset = delta->delta_offset;
3129 f9c2e8e5 2022-02-13 thomas *delta_out_offset = delta->delta_out_offset;
3130 f9c2e8e5 2022-02-13 thomas *base_id = calloc(1, sizeof(**base_id));
3131 f9c2e8e5 2022-02-13 thomas if (*base_id == NULL) {
3132 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("malloc");
3133 f9c2e8e5 2022-02-13 thomas break;
3134 f9c2e8e5 2022-02-13 thomas }
3135 564a8b01 2023-02-03 thomas memcpy(*base_id, &delta->base_id, sizeof(**base_id));
3136 f9c2e8e5 2022-02-13 thomas break;
3137 f9c2e8e5 2022-02-13 thomas default:
3138 f9c2e8e5 2022-02-13 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3139 f9c2e8e5 2022-02-13 thomas break;
3140 f9c2e8e5 2022-02-13 thomas }
3141 f9c2e8e5 2022-02-13 thomas
3142 f9c2e8e5 2022-02-13 thomas imsg_free(&imsg);
3143 f9c2e8e5 2022-02-13 thomas
3144 f9c2e8e5 2022-02-13 thomas if (err) {
3145 f9c2e8e5 2022-02-13 thomas free(*base_id);
3146 f9c2e8e5 2022-02-13 thomas *base_id = NULL;
3147 7d0d4920 2022-05-12 thomas }
3148 7d0d4920 2022-05-12 thomas return err;
3149 7d0d4920 2022-05-12 thomas }
3150 7d0d4920 2022-05-12 thomas
3151 63915ee5 2022-06-23 thomas static const struct got_error *
3152 63915ee5 2022-06-23 thomas send_idlist(struct imsgbuf *ibuf, struct got_object_id **ids, size_t nids)
3153 7d0d4920 2022-05-12 thomas {
3154 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3155 7d0d4920 2022-05-12 thomas struct got_imsg_object_idlist idlist;
3156 7d0d4920 2022-05-12 thomas struct ibuf *wbuf;
3157 7d0d4920 2022-05-12 thomas size_t i;
3158 7d0d4920 2022-05-12 thomas
3159 c26ee7ad 2022-06-23 thomas memset(&idlist, 0, sizeof(idlist));
3160 c26ee7ad 2022-06-23 thomas
3161 7d0d4920 2022-05-12 thomas if (nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS)
3162 7d0d4920 2022-05-12 thomas return got_error(GOT_ERR_NO_SPACE);
3163 7d0d4920 2022-05-12 thomas
3164 7d0d4920 2022-05-12 thomas wbuf = imsg_create(ibuf, GOT_IMSG_OBJ_ID_LIST, 0, 0,
3165 7d0d4920 2022-05-12 thomas sizeof(idlist) + nids * sizeof(**ids));
3166 7d0d4920 2022-05-12 thomas if (wbuf == NULL) {
3167 7d0d4920 2022-05-12 thomas err = got_error_from_errno("imsg_create OBJ_ID_LIST");
3168 7d0d4920 2022-05-12 thomas return err;
3169 7d0d4920 2022-05-12 thomas }
3170 7d0d4920 2022-05-12 thomas
3171 7d0d4920 2022-05-12 thomas idlist.nids = nids;
3172 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &idlist, sizeof(idlist)) == -1)
3173 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add OBJ_ID_LIST");
3174 7d0d4920 2022-05-12 thomas
3175 7d0d4920 2022-05-12 thomas for (i = 0; i < nids; i++) {
3176 7d0d4920 2022-05-12 thomas struct got_object_id *id = ids[i];
3177 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, id, sizeof(*id)) == -1)
3178 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add OBJ_ID_LIST");
3179 7d0d4920 2022-05-12 thomas }
3180 77402035 2022-06-23 thomas
3181 7d0d4920 2022-05-12 thomas imsg_close(ibuf, wbuf);
3182 7d0d4920 2022-05-12 thomas
3183 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3184 7d0d4920 2022-05-12 thomas }
3185 7d0d4920 2022-05-12 thomas
3186 7d0d4920 2022-05-12 thomas const struct got_error *
3187 63915ee5 2022-06-23 thomas got_privsep_send_object_idlist(struct imsgbuf *ibuf,
3188 63915ee5 2022-06-23 thomas struct got_object_id **ids, size_t nids)
3189 63915ee5 2022-06-23 thomas {
3190 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
3191 63915ee5 2022-06-23 thomas struct got_object_id *idlist[GOT_IMSG_OBJ_ID_LIST_MAX_NIDS];
3192 ef53e23c 2022-06-23 thomas int i, queued = 0;
3193 63915ee5 2022-06-23 thomas
3194 77402035 2022-06-23 thomas for (i = 0; i < nids; i++) {
3195 ef53e23c 2022-06-23 thomas idlist[i % nitems(idlist)] = ids[i];
3196 ef53e23c 2022-06-23 thomas queued++;
3197 8f3ec65d 2022-06-23 thomas if (queued >= nitems(idlist)) {
3198 ef53e23c 2022-06-23 thomas err = send_idlist(ibuf, idlist, queued);
3199 63915ee5 2022-06-23 thomas if (err)
3200 63915ee5 2022-06-23 thomas return err;
3201 ef53e23c 2022-06-23 thomas queued = 0;
3202 63915ee5 2022-06-23 thomas }
3203 63915ee5 2022-06-23 thomas }
3204 63915ee5 2022-06-23 thomas
3205 ef53e23c 2022-06-23 thomas if (queued > 0) {
3206 ef53e23c 2022-06-23 thomas err = send_idlist(ibuf, idlist, queued);
3207 63915ee5 2022-06-23 thomas if (err)
3208 63915ee5 2022-06-23 thomas return err;
3209 63915ee5 2022-06-23 thomas }
3210 63915ee5 2022-06-23 thomas
3211 63915ee5 2022-06-23 thomas return NULL;
3212 63915ee5 2022-06-23 thomas }
3213 63915ee5 2022-06-23 thomas
3214 63915ee5 2022-06-23 thomas const struct got_error *
3215 7d0d4920 2022-05-12 thomas got_privsep_send_object_idlist_done(struct imsgbuf *ibuf)
3216 7d0d4920 2022-05-12 thomas {
3217 7d0d4920 2022-05-12 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJ_ID_LIST_DONE, 0, 0, -1, NULL, 0)
3218 7d0d4920 2022-05-12 thomas == -1)
3219 7d0d4920 2022-05-12 thomas return got_error_from_errno("imsg_compose OBJ_ID_LIST_DONE");
3220 7d0d4920 2022-05-12 thomas
3221 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3222 7d0d4920 2022-05-12 thomas }
3223 7d0d4920 2022-05-12 thomas
3224 7d0d4920 2022-05-12 thomas const struct got_error *
3225 7d0d4920 2022-05-12 thomas got_privsep_recv_object_idlist(int *done, struct got_object_id **ids,
3226 7d0d4920 2022-05-12 thomas size_t *nids, struct imsgbuf *ibuf)
3227 7d0d4920 2022-05-12 thomas {
3228 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3229 7d0d4920 2022-05-12 thomas struct imsg imsg;
3230 7d0d4920 2022-05-12 thomas struct got_imsg_object_idlist *idlist;
3231 7d0d4920 2022-05-12 thomas size_t datalen;
3232 7d0d4920 2022-05-12 thomas
3233 7d0d4920 2022-05-12 thomas *ids = NULL;
3234 7d0d4920 2022-05-12 thomas *done = 0;
3235 7d0d4920 2022-05-12 thomas *nids = 0;
3236 7d0d4920 2022-05-12 thomas
3237 7d0d4920 2022-05-12 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3238 7d0d4920 2022-05-12 thomas if (err)
3239 7d0d4920 2022-05-12 thomas return err;
3240 7d0d4920 2022-05-12 thomas
3241 7d0d4920 2022-05-12 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3242 7d0d4920 2022-05-12 thomas switch (imsg.hdr.type) {
3243 7d0d4920 2022-05-12 thomas case GOT_IMSG_OBJ_ID_LIST:
3244 7d0d4920 2022-05-12 thomas if (datalen < sizeof(*idlist)) {
3245 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3246 7d0d4920 2022-05-12 thomas break;
3247 7d0d4920 2022-05-12 thomas }
3248 7d0d4920 2022-05-12 thomas idlist = imsg.data;
3249 31d32634 2022-06-23 thomas if (idlist->nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS ||
3250 31d32634 2022-06-23 thomas idlist->nids * sizeof(**ids) > datalen - sizeof(*idlist)) {
3251 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3252 7d0d4920 2022-05-12 thomas break;
3253 7d0d4920 2022-05-12 thomas }
3254 7d0d4920 2022-05-12 thomas *nids = idlist->nids;
3255 7d0d4920 2022-05-12 thomas *ids = calloc(*nids, sizeof(**ids));
3256 7d0d4920 2022-05-12 thomas if (*ids == NULL) {
3257 7d0d4920 2022-05-12 thomas err = got_error_from_errno("calloc");
3258 7d0d4920 2022-05-12 thomas break;
3259 7d0d4920 2022-05-12 thomas }
3260 623d55de 2022-06-23 thomas memcpy(*ids, (uint8_t *)imsg.data + sizeof(*idlist),
3261 7d0d4920 2022-05-12 thomas *nids * sizeof(**ids));
3262 7d0d4920 2022-05-12 thomas break;
3263 7d0d4920 2022-05-12 thomas case GOT_IMSG_OBJ_ID_LIST_DONE:
3264 7d0d4920 2022-05-12 thomas *done = 1;
3265 7d0d4920 2022-05-12 thomas break;
3266 7d0d4920 2022-05-12 thomas default:
3267 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3268 7d0d4920 2022-05-12 thomas break;
3269 7d0d4920 2022-05-12 thomas }
3270 7d0d4920 2022-05-12 thomas
3271 7d0d4920 2022-05-12 thomas imsg_free(&imsg);
3272 7d0d4920 2022-05-12 thomas
3273 7d0d4920 2022-05-12 thomas return err;
3274 7d0d4920 2022-05-12 thomas }
3275 7d0d4920 2022-05-12 thomas
3276 7d0d4920 2022-05-12 thomas const struct got_error *
3277 7d0d4920 2022-05-12 thomas got_privsep_send_delta_reuse_req(struct imsgbuf *ibuf)
3278 7d0d4920 2022-05-12 thomas {
3279 7d0d4920 2022-05-12 thomas if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_REQUEST, 0, 0, -1, NULL, 0)
3280 7d0d4920 2022-05-12 thomas == -1)
3281 7d0d4920 2022-05-12 thomas return got_error_from_errno("imsg_compose DELTA_REUSE_REQUEST");
3282 7d0d4920 2022-05-12 thomas
3283 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3284 7d0d4920 2022-05-12 thomas }
3285 7d0d4920 2022-05-12 thomas
3286 7d0d4920 2022-05-12 thomas const struct got_error *
3287 7d0d4920 2022-05-12 thomas got_privsep_send_reused_deltas(struct imsgbuf *ibuf,
3288 7d0d4920 2022-05-12 thomas struct got_imsg_reused_delta *deltas, size_t ndeltas)
3289 7d0d4920 2022-05-12 thomas {
3290 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3291 7d0d4920 2022-05-12 thomas struct ibuf *wbuf;
3292 7d0d4920 2022-05-12 thomas struct got_imsg_reused_deltas ideltas;
3293 7d0d4920 2022-05-12 thomas size_t i;
3294 7d0d4920 2022-05-12 thomas
3295 c26ee7ad 2022-06-23 thomas memset(&ideltas, 0, sizeof(ideltas));
3296 c26ee7ad 2022-06-23 thomas
3297 7d0d4920 2022-05-12 thomas if (ndeltas > GOT_IMSG_REUSED_DELTAS_MAX_NDELTAS)
3298 7d0d4920 2022-05-12 thomas return got_error(GOT_ERR_NO_SPACE);
3299 7d0d4920 2022-05-12 thomas
3300 7d0d4920 2022-05-12 thomas wbuf = imsg_create(ibuf, GOT_IMSG_REUSED_DELTAS, 0, 0,
3301 7d0d4920 2022-05-12 thomas sizeof(ideltas) + ndeltas * sizeof(*deltas));
3302 7d0d4920 2022-05-12 thomas if (wbuf == NULL) {
3303 7d0d4920 2022-05-12 thomas err = got_error_from_errno("imsg_create REUSED_DELTAS");
3304 7d0d4920 2022-05-12 thomas return err;
3305 f9c2e8e5 2022-02-13 thomas }
3306 7d0d4920 2022-05-12 thomas
3307 7d0d4920 2022-05-12 thomas ideltas.ndeltas = ndeltas;
3308 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &ideltas, sizeof(ideltas)) == -1)
3309 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add REUSED_DELTAS");
3310 7d0d4920 2022-05-12 thomas
3311 7d0d4920 2022-05-12 thomas for (i = 0; i < ndeltas; i++) {
3312 7d0d4920 2022-05-12 thomas struct got_imsg_reused_delta *delta = &deltas[i];
3313 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, delta, sizeof(*delta)) == -1)
3314 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add REUSED_DELTAS");
3315 7d0d4920 2022-05-12 thomas }
3316 77402035 2022-06-23 thomas
3317 7d0d4920 2022-05-12 thomas imsg_close(ibuf, wbuf);
3318 7d0d4920 2022-05-12 thomas
3319 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3320 7d0d4920 2022-05-12 thomas }
3321 7d0d4920 2022-05-12 thomas
3322 7d0d4920 2022-05-12 thomas const struct got_error *
3323 7d0d4920 2022-05-12 thomas got_privsep_send_reused_deltas_done(struct imsgbuf *ibuf)
3324 7d0d4920 2022-05-12 thomas {
3325 7d0d4920 2022-05-12 thomas if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_DONE, 0, 0, -1, NULL, 0)
3326 7d0d4920 2022-05-12 thomas == -1)
3327 7d0d4920 2022-05-12 thomas return got_error_from_errno("imsg_compose DELTA_REUSE_DONE");
3328 7d0d4920 2022-05-12 thomas
3329 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3330 7d0d4920 2022-05-12 thomas }
3331 7d0d4920 2022-05-12 thomas
3332 7d0d4920 2022-05-12 thomas const struct got_error *
3333 7d0d4920 2022-05-12 thomas got_privsep_recv_reused_deltas(int *done, struct got_imsg_reused_delta *deltas,
3334 7d0d4920 2022-05-12 thomas size_t *ndeltas, struct imsgbuf *ibuf)
3335 7d0d4920 2022-05-12 thomas {
3336 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3337 7d0d4920 2022-05-12 thomas struct imsg imsg;
3338 7d0d4920 2022-05-12 thomas struct got_imsg_reused_deltas *ideltas;
3339 7d0d4920 2022-05-12 thomas size_t datalen;
3340 7d0d4920 2022-05-12 thomas
3341 7d0d4920 2022-05-12 thomas *done = 0;
3342 7d0d4920 2022-05-12 thomas *ndeltas = 0;
3343 7d0d4920 2022-05-12 thomas
3344 7d0d4920 2022-05-12 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3345 7d0d4920 2022-05-12 thomas if (err)
3346 7d0d4920 2022-05-12 thomas return err;
3347 7d0d4920 2022-05-12 thomas
3348 7d0d4920 2022-05-12 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3349 7d0d4920 2022-05-12 thomas switch (imsg.hdr.type) {
3350 7d0d4920 2022-05-12 thomas case GOT_IMSG_REUSED_DELTAS:
3351 7d0d4920 2022-05-12 thomas if (datalen < sizeof(*ideltas)) {
3352 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3353 7d0d4920 2022-05-12 thomas break;
3354 7d0d4920 2022-05-12 thomas }
3355 7d0d4920 2022-05-12 thomas ideltas = imsg.data;
3356 31d32634 2022-06-23 thomas if (ideltas->ndeltas > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS ||
3357 31d32634 2022-06-23 thomas ideltas->ndeltas * sizeof(*deltas) >
3358 31d32634 2022-06-23 thomas datalen - sizeof(*ideltas)) {
3359 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3360 7d0d4920 2022-05-12 thomas break;
3361 7d0d4920 2022-05-12 thomas }
3362 7d0d4920 2022-05-12 thomas *ndeltas = ideltas->ndeltas;
3363 623d55de 2022-06-23 thomas memcpy(deltas, (uint8_t *)imsg.data + sizeof(*ideltas),
3364 7d0d4920 2022-05-12 thomas *ndeltas * sizeof(*deltas));
3365 7d0d4920 2022-05-12 thomas break;
3366 7d0d4920 2022-05-12 thomas case GOT_IMSG_DELTA_REUSE_DONE:
3367 7d0d4920 2022-05-12 thomas *done = 1;
3368 7d0d4920 2022-05-12 thomas break;
3369 7d0d4920 2022-05-12 thomas default:
3370 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3371 7d0d4920 2022-05-12 thomas break;
3372 7d0d4920 2022-05-12 thomas }
3373 7d0d4920 2022-05-12 thomas
3374 7d0d4920 2022-05-12 thomas imsg_free(&imsg);
3375 ec2b23c5 2022-07-01 thomas
3376 ec2b23c5 2022-07-01 thomas return err;
3377 ec2b23c5 2022-07-01 thomas }
3378 ec2b23c5 2022-07-01 thomas
3379 ec2b23c5 2022-07-01 thomas const struct got_error *
3380 ec2b23c5 2022-07-01 thomas got_privsep_init_commit_painting(struct imsgbuf *ibuf)
3381 ec2b23c5 2022-07-01 thomas {
3382 ec2b23c5 2022-07-01 thomas if (imsg_compose(ibuf, GOT_IMSG_COMMIT_PAINTING_INIT,
3383 ec2b23c5 2022-07-01 thomas 0, 0, -1, NULL, 0)
3384 ec2b23c5 2022-07-01 thomas == -1)
3385 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_compose "
3386 ec2b23c5 2022-07-01 thomas "COMMIT_PAINTING_INIT");
3387 ec2b23c5 2022-07-01 thomas
3388 ec2b23c5 2022-07-01 thomas return flush_imsg(ibuf);
3389 ec2b23c5 2022-07-01 thomas }
3390 ec2b23c5 2022-07-01 thomas
3391 ec2b23c5 2022-07-01 thomas const struct got_error *
3392 ec2b23c5 2022-07-01 thomas got_privsep_send_painting_request(struct imsgbuf *ibuf, int idx,
3393 ec2b23c5 2022-07-01 thomas struct got_object_id *id, intptr_t color)
3394 ec2b23c5 2022-07-01 thomas {
3395 ec2b23c5 2022-07-01 thomas struct got_imsg_commit_painting_request ireq;
3396 ec2b23c5 2022-07-01 thomas
3397 ec2b23c5 2022-07-01 thomas memset(&ireq, 0, sizeof(ireq));
3398 35cdfa2c 2023-02-20 thomas memcpy(&ireq.id, id, sizeof(ireq.id));
3399 ec2b23c5 2022-07-01 thomas ireq.idx = idx;
3400 ec2b23c5 2022-07-01 thomas ireq.color = color;
3401 ec2b23c5 2022-07-01 thomas
3402 ec2b23c5 2022-07-01 thomas if (imsg_compose(ibuf, GOT_IMSG_COMMIT_PAINTING_REQUEST, 0, 0, -1,
3403 ec2b23c5 2022-07-01 thomas &ireq, sizeof(ireq)) == -1)
3404 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_compose "
3405 ec2b23c5 2022-07-01 thomas "COMMIT_PAINTING_REQUEST");
3406 ec2b23c5 2022-07-01 thomas
3407 ec2b23c5 2022-07-01 thomas return flush_imsg(ibuf);
3408 ec2b23c5 2022-07-01 thomas }
3409 ec2b23c5 2022-07-01 thomas
3410 ec2b23c5 2022-07-01 thomas static const struct got_error *
3411 ec2b23c5 2022-07-01 thomas send_painted_commits(struct got_object_id_queue *ids, int *nids,
3412 ec2b23c5 2022-07-01 thomas size_t remain, int present_in_pack, struct imsgbuf *ibuf)
3413 ec2b23c5 2022-07-01 thomas {
3414 ec2b23c5 2022-07-01 thomas const struct got_error *err = NULL;
3415 ec2b23c5 2022-07-01 thomas struct ibuf *wbuf = NULL;
3416 ec2b23c5 2022-07-01 thomas struct got_object_qid *qid;
3417 ec2b23c5 2022-07-01 thomas size_t msglen;
3418 ec2b23c5 2022-07-01 thomas int ncommits;
3419 ec2b23c5 2022-07-01 thomas intptr_t color;
3420 ec2b23c5 2022-07-01 thomas
3421 ec2b23c5 2022-07-01 thomas msglen = MIN(remain, MAX_IMSGSIZE - IMSG_HEADER_SIZE);
3422 ec2b23c5 2022-07-01 thomas ncommits = (msglen - sizeof(struct got_imsg_painted_commits)) /
3423 ec2b23c5 2022-07-01 thomas sizeof(struct got_imsg_painted_commit);
3424 ec2b23c5 2022-07-01 thomas
3425 ec2b23c5 2022-07-01 thomas wbuf = imsg_create(ibuf, GOT_IMSG_PAINTED_COMMITS, 0, 0, msglen);
3426 ec2b23c5 2022-07-01 thomas if (wbuf == NULL) {
3427 ec2b23c5 2022-07-01 thomas err = got_error_from_errno("imsg_create PAINTED_COMMITS");
3428 ec2b23c5 2022-07-01 thomas return err;
3429 ec2b23c5 2022-07-01 thomas }
3430 ec2b23c5 2022-07-01 thomas
3431 ec2b23c5 2022-07-01 thomas /* Keep in sync with struct got_imsg_painted_commits! */
3432 ec2b23c5 2022-07-01 thomas if (imsg_add(wbuf, &ncommits, sizeof(ncommits)) == -1)
3433 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_add PAINTED_COMMITS");
3434 ec2b23c5 2022-07-01 thomas if (imsg_add(wbuf, &present_in_pack, sizeof(present_in_pack)) == -1)
3435 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_add PAINTED_COMMITS");
3436 ec2b23c5 2022-07-01 thomas
3437 ec2b23c5 2022-07-01 thomas while (ncommits > 0) {
3438 ec2b23c5 2022-07-01 thomas qid = STAILQ_FIRST(ids);
3439 ec2b23c5 2022-07-01 thomas STAILQ_REMOVE_HEAD(ids, entry);
3440 ec2b23c5 2022-07-01 thomas ncommits--;
3441 ec2b23c5 2022-07-01 thomas (*nids)--;
3442 ec2b23c5 2022-07-01 thomas color = (intptr_t)qid->data;
3443 ec2b23c5 2022-07-01 thomas
3444 ec2b23c5 2022-07-01 thomas /* Keep in sync with struct got_imsg_painted_commit! */
3445 ec2b23c5 2022-07-01 thomas if (imsg_add(wbuf, qid->id.sha1, SHA1_DIGEST_LENGTH) == -1)
3446 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_add PAINTED_COMMITS");
3447 ec2b23c5 2022-07-01 thomas if (imsg_add(wbuf, &color, sizeof(color)) == -1)
3448 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_add PAINTED_COMMITS");
3449 ec2b23c5 2022-07-01 thomas
3450 ec2b23c5 2022-07-01 thomas got_object_qid_free(qid);
3451 ec2b23c5 2022-07-01 thomas }
3452 ec2b23c5 2022-07-01 thomas
3453 ec2b23c5 2022-07-01 thomas imsg_close(ibuf, wbuf);
3454 ec2b23c5 2022-07-01 thomas return flush_imsg(ibuf);
3455 ec2b23c5 2022-07-01 thomas }
3456 ec2b23c5 2022-07-01 thomas
3457 ec2b23c5 2022-07-01 thomas const struct got_error *
3458 ec2b23c5 2022-07-01 thomas got_privsep_send_painted_commits(struct imsgbuf *ibuf,
3459 ec2b23c5 2022-07-01 thomas struct got_object_id_queue *ids, int *nids,
3460 ec2b23c5 2022-07-01 thomas int present_in_pack, int flush)
3461 ec2b23c5 2022-07-01 thomas {
3462 ec2b23c5 2022-07-01 thomas const struct got_error *err;
3463 ec2b23c5 2022-07-01 thomas size_t remain;
3464 7d0d4920 2022-05-12 thomas
3465 ec2b23c5 2022-07-01 thomas if (*nids <= 0)
3466 ec2b23c5 2022-07-01 thomas return NULL;
3467 ec2b23c5 2022-07-01 thomas
3468 ec2b23c5 2022-07-01 thomas do {
3469 ec2b23c5 2022-07-01 thomas remain = (sizeof(struct got_imsg_painted_commits)) +
3470 ec2b23c5 2022-07-01 thomas *nids * sizeof(struct got_imsg_painted_commit);
3471 ec2b23c5 2022-07-01 thomas if (flush || remain >= MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
3472 ec2b23c5 2022-07-01 thomas err = send_painted_commits(ids, nids, remain,
3473 ec2b23c5 2022-07-01 thomas present_in_pack, ibuf);
3474 ec2b23c5 2022-07-01 thomas if (err)
3475 ec2b23c5 2022-07-01 thomas return err;
3476 ec2b23c5 2022-07-01 thomas }
3477 ec2b23c5 2022-07-01 thomas } while (flush && *nids > 0);
3478 ec2b23c5 2022-07-01 thomas
3479 ec2b23c5 2022-07-01 thomas return NULL;
3480 ec2b23c5 2022-07-01 thomas }
3481 ec2b23c5 2022-07-01 thomas
3482 ec2b23c5 2022-07-01 thomas const struct got_error *
3483 ec2b23c5 2022-07-01 thomas got_privsep_send_painting_commits_done(struct imsgbuf *ibuf)
3484 ec2b23c5 2022-07-01 thomas {
3485 ec2b23c5 2022-07-01 thomas if (imsg_compose(ibuf, GOT_IMSG_COMMIT_PAINTING_DONE,
3486 ec2b23c5 2022-07-01 thomas 0, 0, -1, NULL, 0)
3487 ec2b23c5 2022-07-01 thomas == -1)
3488 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_compose "
3489 ec2b23c5 2022-07-01 thomas "COMMIT_PAINTING_DONE");
3490 ec2b23c5 2022-07-01 thomas
3491 ec2b23c5 2022-07-01 thomas return flush_imsg(ibuf);
3492 ec2b23c5 2022-07-01 thomas }
3493 ec2b23c5 2022-07-01 thomas
3494 ec2b23c5 2022-07-01 thomas const struct got_error *
3495 ec2b23c5 2022-07-01 thomas got_privsep_recv_painted_commits(struct got_object_id_queue *new_ids,
3496 ec2b23c5 2022-07-01 thomas got_privsep_recv_painted_commit_cb cb, void *cb_arg, struct imsgbuf *ibuf)
3497 ec2b23c5 2022-07-01 thomas {
3498 ec2b23c5 2022-07-01 thomas const struct got_error *err = NULL;
3499 ec2b23c5 2022-07-01 thomas struct imsg imsg;
3500 ec2b23c5 2022-07-01 thomas struct got_imsg_painted_commits icommits;
3501 ec2b23c5 2022-07-01 thomas struct got_imsg_painted_commit icommit;
3502 ec2b23c5 2022-07-01 thomas size_t datalen;
3503 ec2b23c5 2022-07-01 thomas int i;
3504 ec2b23c5 2022-07-01 thomas
3505 ec2b23c5 2022-07-01 thomas for (;;) {
3506 ec2b23c5 2022-07-01 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3507 54e38878 2024-03-02 thomas if (err)
3508 ec2b23c5 2022-07-01 thomas return err;
3509 ec2b23c5 2022-07-01 thomas
3510 ec2b23c5 2022-07-01 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3511 3f69050e 2023-11-22 thomas if (imsg.hdr.type == GOT_IMSG_COMMIT_PAINTING_DONE) {
3512 3f69050e 2023-11-22 thomas imsg_free(&imsg);
3513 da3a2e80 2023-11-22 thomas return NULL;
3514 3f69050e 2023-11-22 thomas }
3515 3f69050e 2023-11-22 thomas if (imsg.hdr.type != GOT_IMSG_PAINTED_COMMITS){
3516 3f69050e 2023-11-22 thomas imsg_free(&imsg);
3517 ec2b23c5 2022-07-01 thomas return got_error(GOT_ERR_PRIVSEP_MSG);
3518 3f69050e 2023-11-22 thomas }
3519 ec2b23c5 2022-07-01 thomas
3520 3f69050e 2023-11-22 thomas if (datalen < sizeof(icommits)){
3521 3f69050e 2023-11-22 thomas imsg_free(&imsg);
3522 ec2b23c5 2022-07-01 thomas return got_error(GOT_ERR_PRIVSEP_LEN);
3523 3f69050e 2023-11-22 thomas }
3524 ec2b23c5 2022-07-01 thomas memcpy(&icommits, imsg.data, sizeof(icommits));
3525 ec2b23c5 2022-07-01 thomas if (icommits.ncommits * sizeof(icommit) < icommits.ncommits ||
3526 ec2b23c5 2022-07-01 thomas datalen < sizeof(icommits) +
3527 3f69050e 2023-11-22 thomas icommits.ncommits * sizeof(icommit)){
3528 3f69050e 2023-11-22 thomas imsg_free(&imsg);
3529 ec2b23c5 2022-07-01 thomas return got_error(GOT_ERR_PRIVSEP_LEN);
3530 3f69050e 2023-11-22 thomas }
3531 ec2b23c5 2022-07-01 thomas
3532 ec2b23c5 2022-07-01 thomas for (i = 0; i < icommits.ncommits; i++) {
3533 ec2b23c5 2022-07-01 thomas memcpy(&icommit,
3534 ec2b23c5 2022-07-01 thomas (uint8_t *)imsg.data + sizeof(icommits) + i * sizeof(icommit),
3535 ec2b23c5 2022-07-01 thomas sizeof(icommit));
3536 ec2b23c5 2022-07-01 thomas
3537 ec2b23c5 2022-07-01 thomas if (icommits.present_in_pack) {
3538 ec2b23c5 2022-07-01 thomas struct got_object_id id;
3539 ec2b23c5 2022-07-01 thomas memcpy(id.sha1, icommit.id, SHA1_DIGEST_LENGTH);
3540 ec2b23c5 2022-07-01 thomas err = cb(cb_arg, &id, icommit.color);
3541 ec2b23c5 2022-07-01 thomas if (err)
3542 ec2b23c5 2022-07-01 thomas break;
3543 ec2b23c5 2022-07-01 thomas } else {
3544 ec2b23c5 2022-07-01 thomas struct got_object_qid *qid;
3545 ec2b23c5 2022-07-01 thomas err = got_object_qid_alloc_partial(&qid);
3546 ec2b23c5 2022-07-01 thomas if (err)
3547 ec2b23c5 2022-07-01 thomas break;
3548 ec2b23c5 2022-07-01 thomas memcpy(qid->id.sha1, icommit.id,
3549 ec2b23c5 2022-07-01 thomas SHA1_DIGEST_LENGTH);
3550 ec2b23c5 2022-07-01 thomas qid->data = (void *)icommit.color;
3551 ec2b23c5 2022-07-01 thomas STAILQ_INSERT_TAIL(new_ids, qid, entry);
3552 ec2b23c5 2022-07-01 thomas }
3553 ec2b23c5 2022-07-01 thomas }
3554 ec2b23c5 2022-07-01 thomas
3555 ec2b23c5 2022-07-01 thomas imsg_free(&imsg);
3556 da3a2e80 2023-11-22 thomas if (err)
3557 da3a2e80 2023-11-22 thomas return err;
3558 ec2b23c5 2022-07-01 thomas }
3559 f9c2e8e5 2022-02-13 thomas }
3560 f9c2e8e5 2022-02-13 thomas
3561 f9c2e8e5 2022-02-13 thomas const struct got_error *
3562 63219cd2 2019-01-04 stsp got_privsep_unveil_exec_helpers(void)
3563 63219cd2 2019-01-04 stsp {
3564 c39c25dd 2019-08-09 stsp const char *helpers[] = {
3565 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_PACK,
3566 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_OBJECT,
3567 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_COMMIT,
3568 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TREE,
3569 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_BLOB,
3570 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TAG,
3571 aba9c984 2019-09-08 stsp GOT_PATH_PROG_READ_GITCONFIG,
3572 257add31 2020-09-09 stsp GOT_PATH_PROG_READ_GOTCONFIG,
3573 069bbb86 2022-03-07 thomas GOT_PATH_PROG_READ_PATCH,
3574 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_FETCH_PACK,
3575 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_INDEX_PACK,
3576 f8a36e22 2021-08-26 stsp GOT_PATH_PROG_SEND_PACK,
3577 c39c25dd 2019-08-09 stsp };
3578 16aeacf7 2020-11-26 stsp size_t i;
3579 63219cd2 2019-01-04 stsp
3580 c39c25dd 2019-08-09 stsp for (i = 0; i < nitems(helpers); i++) {
3581 c39c25dd 2019-08-09 stsp if (unveil(helpers[i], "x") == 0)
3582 c39c25dd 2019-08-09 stsp continue;
3583 c39c25dd 2019-08-09 stsp return got_error_from_errno2("unveil", helpers[i]);
3584 c39c25dd 2019-08-09 stsp }
3585 c39c25dd 2019-08-09 stsp
3586 63219cd2 2019-01-04 stsp return NULL;
3587 876c234b 2018-09-10 stsp }
3588 aba9c984 2019-09-08 stsp
3589 aba9c984 2019-09-08 stsp void
3590 aba9c984 2019-09-08 stsp got_privsep_exec_child(int imsg_fds[2], const char *path, const char *repo_path)
3591 aba9c984 2019-09-08 stsp {
3592 08578a35 2021-01-22 stsp if (close(imsg_fds[0]) == -1) {
3593 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3594 aba9c984 2019-09-08 stsp _exit(1);
3595 aba9c984 2019-09-08 stsp }
3596 aba9c984 2019-09-08 stsp
3597 aba9c984 2019-09-08 stsp if (dup2(imsg_fds[1], GOT_IMSG_FD_CHILD) == -1) {
3598 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3599 aba9c984 2019-09-08 stsp _exit(1);
3600 aba9c984 2019-09-08 stsp }
3601 aba9c984 2019-09-08 stsp
3602 ce95518e 2021-12-10 thomas closefrom(GOT_IMSG_FD_CHILD + 1);
3603 ce95518e 2021-12-10 thomas
3604 aba9c984 2019-09-08 stsp if (execl(path, path, repo_path, (char *)NULL) == -1) {
3605 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s: %s\n", getprogname(), path,
3606 aba9c984 2019-09-08 stsp strerror(errno));
3607 aba9c984 2019-09-08 stsp _exit(1);
3608 aba9c984 2019-09-08 stsp }
3609 aba9c984 2019-09-08 stsp }