Blame


1 2178c42e 2018-04-22 stsp /*
2 5aa81393 2020-01-06 stsp * Copyright (c) 2018, 2019, 2020 Stefan Sperling <stsp@openbsd.org>
3 93658fb9 2020-03-18 stsp * Copyright (c) 2020 Ori Bernstein <ori@openbsd.org>
4 2178c42e 2018-04-22 stsp *
5 2178c42e 2018-04-22 stsp * Permission to use, copy, modify, and distribute this software for any
6 2178c42e 2018-04-22 stsp * purpose with or without fee is hereby granted, provided that the above
7 2178c42e 2018-04-22 stsp * copyright notice and this permission notice appear in all copies.
8 2178c42e 2018-04-22 stsp *
9 2178c42e 2018-04-22 stsp * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 2178c42e 2018-04-22 stsp * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 2178c42e 2018-04-22 stsp * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 2178c42e 2018-04-22 stsp * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 2178c42e 2018-04-22 stsp * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 2178c42e 2018-04-22 stsp * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 2178c42e 2018-04-22 stsp * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 2178c42e 2018-04-22 stsp */
17 2178c42e 2018-04-22 stsp
18 2178c42e 2018-04-22 stsp #include <sys/types.h>
19 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 81a12da5 2020-09-09 naddy #include <unistd.h>
33 2178c42e 2018-04-22 stsp #include <zlib.h>
34 dd038bc6 2021-09-21 thomas.ad
35 dd038bc6 2021-09-21 thomas.ad #include "got_compat.h"
36 2178c42e 2018-04-22 stsp
37 2178c42e 2018-04-22 stsp #include "got_object.h"
38 2178c42e 2018-04-22 stsp #include "got_error.h"
39 3022d272 2019-11-14 stsp #include "got_path.h"
40 cd95becd 2019-11-29 stsp #include "got_repository.h"
41 2178c42e 2018-04-22 stsp
42 2178c42e 2018-04-22 stsp #include "got_lib_sha1.h"
43 2178c42e 2018-04-22 stsp #include "got_lib_delta.h"
44 63581804 2018-07-09 stsp #include "got_lib_inflate.h"
45 2178c42e 2018-04-22 stsp #include "got_lib_object.h"
46 a440fac0 2018-09-06 stsp #include "got_lib_object_parse.h"
47 2178c42e 2018-04-22 stsp #include "got_lib_privsep.h"
48 876c234b 2018-09-10 stsp #include "got_lib_pack.h"
49 3efd8e31 2022-10-23 thomas #include "got_lib_poll.h"
50 ef20f542 2022-06-26 thomas
51 ef20f542 2022-06-26 thomas #include "got_privsep.h"
52 2178c42e 2018-04-22 stsp
53 2178c42e 2018-04-22 stsp #ifndef MIN
54 2178c42e 2018-04-22 stsp #define MIN(_a,_b) ((_a) < (_b) ? (_a) : (_b))
55 c39c25dd 2019-08-09 stsp #endif
56 c39c25dd 2019-08-09 stsp
57 c39c25dd 2019-08-09 stsp #ifndef nitems
58 c39c25dd 2019-08-09 stsp #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
59 2178c42e 2018-04-22 stsp #endif
60 2178c42e 2018-04-22 stsp
61 2178c42e 2018-04-22 stsp static const struct got_error *
62 e033d803 2018-04-23 stsp read_imsg(struct imsgbuf *ibuf)
63 fe36cf76 2018-04-23 stsp {
64 fe36cf76 2018-04-23 stsp const struct got_error *err;
65 e033d803 2018-04-23 stsp size_t n;
66 fe36cf76 2018-04-23 stsp
67 3efd8e31 2022-10-23 thomas err = got_poll_fd(ibuf->fd, POLLIN, INFTIM);
68 3efd8e31 2022-10-23 thomas if (err) {
69 3efd8e31 2022-10-23 thomas if (err->code == GOT_ERR_EOF)
70 3efd8e31 2022-10-23 thomas return got_error(GOT_ERR_PRIVSEP_PIPE);
71 ff470224 2022-05-19 thomas return err;
72 3efd8e31 2022-10-23 thomas }
73 fe36cf76 2018-04-23 stsp
74 fe36cf76 2018-04-23 stsp n = imsg_read(ibuf);
75 fe36cf76 2018-04-23 stsp if (n == -1) {
76 fe36cf76 2018-04-23 stsp if (errno == EAGAIN) /* Could be a file-descriptor leak. */
77 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_NO_FD);
78 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_READ);
79 fe36cf76 2018-04-23 stsp }
80 fe36cf76 2018-04-23 stsp if (n == 0)
81 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_PIPE);
82 fe36cf76 2018-04-23 stsp
83 e033d803 2018-04-23 stsp return NULL;
84 e033d803 2018-04-23 stsp }
85 e033d803 2018-04-23 stsp
86 ad242220 2018-09-08 stsp const struct got_error *
87 876c234b 2018-09-10 stsp got_privsep_wait_for_child(pid_t pid)
88 876c234b 2018-09-10 stsp {
89 876c234b 2018-09-10 stsp int child_status;
90 876c234b 2018-09-10 stsp
91 2cb49fa8 2019-05-10 stsp if (waitpid(pid, &child_status, 0) == -1)
92 638f9024 2019-05-13 stsp return got_error_from_errno("waitpid");
93 876c234b 2018-09-10 stsp
94 876c234b 2018-09-10 stsp if (!WIFEXITED(child_status))
95 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_DIED);
96 876c234b 2018-09-10 stsp
97 876c234b 2018-09-10 stsp if (WEXITSTATUS(child_status) != 0)
98 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_EXIT);
99 876c234b 2018-09-10 stsp
100 876c234b 2018-09-10 stsp return NULL;
101 876c234b 2018-09-10 stsp }
102 876c234b 2018-09-10 stsp
103 73b7854a 2018-11-11 stsp static const struct got_error *
104 73b7854a 2018-11-11 stsp recv_imsg_error(struct imsg *imsg, size_t datalen)
105 73b7854a 2018-11-11 stsp {
106 73b7854a 2018-11-11 stsp struct got_imsg_error *ierr;
107 73b7854a 2018-11-11 stsp
108 73b7854a 2018-11-11 stsp if (datalen != sizeof(*ierr))
109 73b7854a 2018-11-11 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
110 73b7854a 2018-11-11 stsp
111 73b7854a 2018-11-11 stsp ierr = imsg->data;
112 73b7854a 2018-11-11 stsp if (ierr->code == GOT_ERR_ERRNO) {
113 73b7854a 2018-11-11 stsp static struct got_error serr;
114 73b7854a 2018-11-11 stsp serr.code = GOT_ERR_ERRNO;
115 73b7854a 2018-11-11 stsp serr.msg = strerror(ierr->errno_code);
116 73b7854a 2018-11-11 stsp return &serr;
117 73b7854a 2018-11-11 stsp }
118 73b7854a 2018-11-11 stsp
119 73b7854a 2018-11-11 stsp return got_error(ierr->code);
120 73b7854a 2018-11-11 stsp }
121 73b7854a 2018-11-11 stsp
122 876c234b 2018-09-10 stsp const struct got_error *
123 46de5bfd 2018-11-11 stsp got_privsep_recv_imsg(struct imsg *imsg, struct imsgbuf *ibuf,
124 46de5bfd 2018-11-11 stsp size_t min_datalen)
125 e033d803 2018-04-23 stsp {
126 e033d803 2018-04-23 stsp const struct got_error *err;
127 e033d803 2018-04-23 stsp ssize_t n;
128 e033d803 2018-04-23 stsp
129 e033d803 2018-04-23 stsp n = imsg_get(ibuf, imsg);
130 876c234b 2018-09-10 stsp if (n == -1)
131 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_get");
132 876c234b 2018-09-10 stsp
133 876c234b 2018-09-10 stsp while (n == 0) {
134 876c234b 2018-09-10 stsp err = read_imsg(ibuf);
135 876c234b 2018-09-10 stsp if (err)
136 876c234b 2018-09-10 stsp return err;
137 876c234b 2018-09-10 stsp n = imsg_get(ibuf, imsg);
138 cbfaaf20 2020-01-06 stsp if (n == -1)
139 cbfaaf20 2020-01-06 stsp return got_error_from_errno("imsg_get");
140 876c234b 2018-09-10 stsp }
141 fe36cf76 2018-04-23 stsp
142 fe36cf76 2018-04-23 stsp if (imsg->hdr.len < IMSG_HEADER_SIZE + min_datalen)
143 c4eae628 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
144 c4eae628 2018-04-23 stsp
145 73b7854a 2018-11-11 stsp if (imsg->hdr.type == GOT_IMSG_ERROR) {
146 73b7854a 2018-11-11 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
147 73b7854a 2018-11-11 stsp return recv_imsg_error(imsg, datalen);
148 c4eae628 2018-04-23 stsp }
149 c4eae628 2018-04-23 stsp
150 73b7854a 2018-11-11 stsp return NULL;
151 c4eae628 2018-04-23 stsp }
152 c4eae628 2018-04-23 stsp
153 2178c42e 2018-04-22 stsp /* Attempt to send an error in an imsg. Complain on stderr as a last resort. */
154 2178c42e 2018-04-22 stsp void
155 2178c42e 2018-04-22 stsp got_privsep_send_error(struct imsgbuf *ibuf, const struct got_error *err)
156 2178c42e 2018-04-22 stsp {
157 2178c42e 2018-04-22 stsp const struct got_error *poll_err;
158 2178c42e 2018-04-22 stsp struct got_imsg_error ierr;
159 2178c42e 2018-04-22 stsp int ret;
160 2178c42e 2018-04-22 stsp
161 2178c42e 2018-04-22 stsp ierr.code = err->code;
162 2178c42e 2018-04-22 stsp if (err->code == GOT_ERR_ERRNO)
163 2178c42e 2018-04-22 stsp ierr.errno_code = errno;
164 2178c42e 2018-04-22 stsp else
165 2178c42e 2018-04-22 stsp ierr.errno_code = 0;
166 2178c42e 2018-04-22 stsp ret = imsg_compose(ibuf, GOT_IMSG_ERROR, 0, 0, -1, &ierr, sizeof(ierr));
167 e93cd828 2018-11-11 stsp if (ret == -1) {
168 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_compose: %s\n",
169 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
170 5d43e84d 2018-04-23 stsp return;
171 2178c42e 2018-04-22 stsp }
172 2178c42e 2018-04-22 stsp
173 3efd8e31 2022-10-23 thomas poll_err = got_poll_fd(ibuf->fd, POLLOUT, INFTIM);
174 5d43e84d 2018-04-23 stsp if (poll_err) {
175 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": poll: %s\n",
176 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, poll_err->msg);
177 5d43e84d 2018-04-23 stsp return;
178 5d43e84d 2018-04-23 stsp }
179 2178c42e 2018-04-22 stsp
180 2178c42e 2018-04-22 stsp ret = imsg_flush(ibuf);
181 5d43e84d 2018-04-23 stsp if (ret == -1) {
182 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_flush: %s\n",
183 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
184 e2752401 2022-02-16 thomas imsg_clear(ibuf);
185 5d43e84d 2018-04-23 stsp return;
186 5d43e84d 2018-04-23 stsp }
187 e033d803 2018-04-23 stsp }
188 e033d803 2018-04-23 stsp
189 e033d803 2018-04-23 stsp static const struct got_error *
190 e033d803 2018-04-23 stsp flush_imsg(struct imsgbuf *ibuf)
191 e033d803 2018-04-23 stsp {
192 e033d803 2018-04-23 stsp const struct got_error *err;
193 e033d803 2018-04-23 stsp
194 3efd8e31 2022-10-23 thomas err = got_poll_fd(ibuf->fd, POLLOUT, INFTIM);
195 e033d803 2018-04-23 stsp if (err)
196 e033d803 2018-04-23 stsp return err;
197 e033d803 2018-04-23 stsp
198 e2752401 2022-02-16 thomas if (imsg_flush(ibuf) == -1) {
199 e2752401 2022-02-16 thomas imsg_clear(ibuf);
200 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_flush");
201 e2752401 2022-02-16 thomas }
202 e033d803 2018-04-23 stsp
203 e033d803 2018-04-23 stsp return NULL;
204 ad242220 2018-09-08 stsp }
205 ad242220 2018-09-08 stsp
206 ad242220 2018-09-08 stsp const struct got_error *
207 e70bf110 2020-03-22 stsp got_privsep_flush_imsg(struct imsgbuf *ibuf)
208 e70bf110 2020-03-22 stsp {
209 e70bf110 2020-03-22 stsp return flush_imsg(ibuf);
210 e70bf110 2020-03-22 stsp }
211 e70bf110 2020-03-22 stsp
212 e70bf110 2020-03-22 stsp const struct got_error *
213 ad242220 2018-09-08 stsp got_privsep_send_stop(int fd)
214 ad242220 2018-09-08 stsp {
215 ad242220 2018-09-08 stsp const struct got_error *err = NULL;
216 ad242220 2018-09-08 stsp struct imsgbuf ibuf;
217 ad242220 2018-09-08 stsp
218 ad242220 2018-09-08 stsp imsg_init(&ibuf, fd);
219 ad242220 2018-09-08 stsp
220 ad242220 2018-09-08 stsp if (imsg_compose(&ibuf, GOT_IMSG_STOP, 0, 0, -1, NULL, 0) == -1)
221 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose STOP");
222 ad242220 2018-09-08 stsp
223 ad242220 2018-09-08 stsp err = flush_imsg(&ibuf);
224 ad242220 2018-09-08 stsp return err;
225 7762fe12 2018-11-05 stsp }
226 93658fb9 2020-03-18 stsp
227 93658fb9 2020-03-18 stsp const struct got_error *
228 d5c81d44 2021-07-08 stsp got_privsep_send_obj_req(struct imsgbuf *ibuf, int fd,
229 d5c81d44 2021-07-08 stsp struct got_object_id *id)
230 ad242220 2018-09-08 stsp {
231 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT_REQUEST, 0, 0, fd,
232 d5c81d44 2021-07-08 stsp id, sizeof(*id)) == -1)
233 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT_REQUEST");
234 59d1e4a0 2021-03-10 stsp
235 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
236 59d1e4a0 2021-03-10 stsp }
237 59d1e4a0 2021-03-10 stsp
238 59d1e4a0 2021-03-10 stsp const struct got_error *
239 d5c81d44 2021-07-08 stsp got_privsep_send_raw_obj_req(struct imsgbuf *ibuf, int fd,
240 d5c81d44 2021-07-08 stsp struct got_object_id *id)
241 59d1e4a0 2021-03-10 stsp {
242 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_OBJECT_REQUEST, 0, 0, fd,
243 d5c81d44 2021-07-08 stsp id, sizeof(*id)) == -1)
244 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose RAW_OBJECT_REQUEST");
245 59d1e4a0 2021-03-10 stsp
246 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
247 59d1e4a0 2021-03-10 stsp }
248 59d1e4a0 2021-03-10 stsp
249 59d1e4a0 2021-03-10 stsp const struct got_error *
250 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj_outfd(struct imsgbuf *ibuf, int outfd)
251 59d1e4a0 2021-03-10 stsp {
252 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
253 59d1e4a0 2021-03-10 stsp
254 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_OBJECT_OUTFD, 0, 0, outfd, NULL, 0)
255 59d1e4a0 2021-03-10 stsp == -1) {
256 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_compose RAW_OBJECT_OUTFD");
257 59d1e4a0 2021-03-10 stsp close(outfd);
258 59d1e4a0 2021-03-10 stsp return err;
259 59d1e4a0 2021-03-10 stsp }
260 59d1e4a0 2021-03-10 stsp
261 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
262 59d1e4a0 2021-03-10 stsp }
263 59d1e4a0 2021-03-10 stsp
264 59d1e4a0 2021-03-10 stsp const struct got_error *
265 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj(struct imsgbuf *ibuf, off_t size, size_t hdrlen,
266 59d1e4a0 2021-03-10 stsp uint8_t *data)
267 59d1e4a0 2021-03-10 stsp {
268 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
269 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj iobj;
270 59d1e4a0 2021-03-10 stsp size_t len = sizeof(iobj);
271 59d1e4a0 2021-03-10 stsp struct ibuf *wbuf;
272 1785f84a 2018-12-23 stsp
273 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
274 59d1e4a0 2021-03-10 stsp iobj.hdrlen = hdrlen;
275 59d1e4a0 2021-03-10 stsp iobj.size = size;
276 59d1e4a0 2021-03-10 stsp
277 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX)
278 a8591711 2021-06-18 stsp len += (size_t)size + hdrlen;
279 59d1e4a0 2021-03-10 stsp
280 59d1e4a0 2021-03-10 stsp wbuf = imsg_create(ibuf, GOT_IMSG_RAW_OBJECT, 0, 0, len);
281 59d1e4a0 2021-03-10 stsp if (wbuf == NULL) {
282 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_create RAW_OBJECT");
283 59d1e4a0 2021-03-10 stsp return err;
284 59d1e4a0 2021-03-10 stsp }
285 59d1e4a0 2021-03-10 stsp
286 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &iobj, sizeof(iobj)) == -1)
287 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add RAW_OBJECT");
288 59d1e4a0 2021-03-10 stsp
289 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
290 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, data, size + hdrlen) == -1)
291 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add RAW_OBJECT");
292 59d1e4a0 2021-03-10 stsp }
293 59d1e4a0 2021-03-10 stsp
294 59d1e4a0 2021-03-10 stsp wbuf->fd = -1;
295 59d1e4a0 2021-03-10 stsp imsg_close(ibuf, wbuf);
296 59d1e4a0 2021-03-10 stsp
297 1785f84a 2018-12-23 stsp return flush_imsg(ibuf);
298 1785f84a 2018-12-23 stsp }
299 1785f84a 2018-12-23 stsp
300 1785f84a 2018-12-23 stsp const struct got_error *
301 59d1e4a0 2021-03-10 stsp got_privsep_recv_raw_obj(uint8_t **outbuf, off_t *size, size_t *hdrlen,
302 59d1e4a0 2021-03-10 stsp struct imsgbuf *ibuf)
303 59d1e4a0 2021-03-10 stsp {
304 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
305 59d1e4a0 2021-03-10 stsp struct imsg imsg;
306 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj *iobj;
307 59d1e4a0 2021-03-10 stsp size_t datalen;
308 59d1e4a0 2021-03-10 stsp
309 59d1e4a0 2021-03-10 stsp *outbuf = NULL;
310 59d1e4a0 2021-03-10 stsp
311 59d1e4a0 2021-03-10 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
312 59d1e4a0 2021-03-10 stsp if (err)
313 59d1e4a0 2021-03-10 stsp return err;
314 59d1e4a0 2021-03-10 stsp
315 59d1e4a0 2021-03-10 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
316 59d1e4a0 2021-03-10 stsp
317 59d1e4a0 2021-03-10 stsp switch (imsg.hdr.type) {
318 59d1e4a0 2021-03-10 stsp case GOT_IMSG_RAW_OBJECT:
319 59d1e4a0 2021-03-10 stsp if (datalen < sizeof(*iobj)) {
320 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
321 59d1e4a0 2021-03-10 stsp break;
322 59d1e4a0 2021-03-10 stsp }
323 59d1e4a0 2021-03-10 stsp iobj = imsg.data;
324 59d1e4a0 2021-03-10 stsp *size = iobj->size;
325 59d1e4a0 2021-03-10 stsp *hdrlen = iobj->hdrlen;
326 59d1e4a0 2021-03-10 stsp
327 59d1e4a0 2021-03-10 stsp if (datalen == sizeof(*iobj)) {
328 59d1e4a0 2021-03-10 stsp /* Data has been written to file descriptor. */
329 59d1e4a0 2021-03-10 stsp break;
330 59d1e4a0 2021-03-10 stsp }
331 59d1e4a0 2021-03-10 stsp
332 31d32634 2022-06-23 thomas if (*size < 0 ||
333 31d32634 2022-06-23 thomas *size + *hdrlen > GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
334 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
335 59d1e4a0 2021-03-10 stsp break;
336 59d1e4a0 2021-03-10 stsp }
337 59d1e4a0 2021-03-10 stsp
338 a8591711 2021-06-18 stsp *outbuf = malloc(*size + *hdrlen);
339 59d1e4a0 2021-03-10 stsp if (*outbuf == NULL) {
340 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("malloc");
341 59d1e4a0 2021-03-10 stsp break;
342 59d1e4a0 2021-03-10 stsp }
343 a8591711 2021-06-18 stsp memcpy(*outbuf, imsg.data + sizeof(*iobj), *size + *hdrlen);
344 59d1e4a0 2021-03-10 stsp break;
345 59d1e4a0 2021-03-10 stsp default:
346 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
347 59d1e4a0 2021-03-10 stsp break;
348 59d1e4a0 2021-03-10 stsp }
349 59d1e4a0 2021-03-10 stsp
350 59d1e4a0 2021-03-10 stsp imsg_free(&imsg);
351 59d1e4a0 2021-03-10 stsp
352 59d1e4a0 2021-03-10 stsp return err;
353 59d1e4a0 2021-03-10 stsp }
354 59d1e4a0 2021-03-10 stsp
355 59d1e4a0 2021-03-10 stsp const struct got_error *
356 1785f84a 2018-12-23 stsp got_privsep_send_commit_req(struct imsgbuf *ibuf, int fd,
357 1785f84a 2018-12-23 stsp struct got_object_id *id, int pack_idx)
358 1785f84a 2018-12-23 stsp {
359 41496140 2019-02-21 stsp const struct got_error *err = NULL;
360 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
361 d5c81d44 2021-07-08 stsp void *data;
362 1785f84a 2018-12-23 stsp size_t len;
363 1785f84a 2018-12-23 stsp
364 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
365 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* commit is packed */
366 1785f84a 2018-12-23 stsp iobj.idx = pack_idx;
367 b6f67730 2023-02-03 thomas memcpy(&iobj.id, id, sizeof(iobj.id));
368 d5c81d44 2021-07-08 stsp data = &iobj;
369 1785f84a 2018-12-23 stsp len = sizeof(iobj);
370 1785f84a 2018-12-23 stsp } else {
371 d5c81d44 2021-07-08 stsp data = id;
372 d5c81d44 2021-07-08 stsp len = sizeof(*id);
373 1785f84a 2018-12-23 stsp }
374 1785f84a 2018-12-23 stsp
375 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_REQUEST, 0, 0, fd, data, len)
376 41496140 2019-02-21 stsp == -1) {
377 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT_REQUEST");
378 41496140 2019-02-21 stsp close(fd);
379 41496140 2019-02-21 stsp return err;
380 41496140 2019-02-21 stsp }
381 13c729f7 2018-12-24 stsp
382 13c729f7 2018-12-24 stsp return flush_imsg(ibuf);
383 13c729f7 2018-12-24 stsp }
384 13c729f7 2018-12-24 stsp
385 13c729f7 2018-12-24 stsp const struct got_error *
386 13c729f7 2018-12-24 stsp got_privsep_send_tree_req(struct imsgbuf *ibuf, int fd,
387 13c729f7 2018-12-24 stsp struct got_object_id *id, int pack_idx)
388 13c729f7 2018-12-24 stsp {
389 7f358e3b 2019-11-23 stsp struct ibuf *wbuf;
390 d5c81d44 2021-07-08 stsp size_t len;
391 7f358e3b 2019-11-23 stsp
392 d5c81d44 2021-07-08 stsp if (pack_idx != -1)
393 d5c81d44 2021-07-08 stsp len = sizeof(struct got_imsg_packed_object);
394 d5c81d44 2021-07-08 stsp else
395 d5c81d44 2021-07-08 stsp len = sizeof(*id);
396 d5c81d44 2021-07-08 stsp
397 7f358e3b 2019-11-23 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_REQUEST, 0, 0, len);
398 7f358e3b 2019-11-23 stsp if (wbuf == NULL)
399 7f358e3b 2019-11-23 stsp return got_error_from_errno("imsg_create TREE_REQUEST");
400 13c729f7 2018-12-24 stsp
401 fc842fc8 2023-02-03 thomas if (imsg_add(wbuf, id, sizeof(*id)) == -1)
402 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_REQUEST");
403 13c729f7 2018-12-24 stsp
404 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tree is packed */
405 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &pack_idx, sizeof(pack_idx)) == -1)
406 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_REQUEST");
407 41496140 2019-02-21 stsp }
408 268f7291 2018-12-24 stsp
409 7f358e3b 2019-11-23 stsp wbuf->fd = fd;
410 7f358e3b 2019-11-23 stsp imsg_close(ibuf, wbuf);
411 7f358e3b 2019-11-23 stsp
412 268f7291 2018-12-24 stsp return flush_imsg(ibuf);
413 268f7291 2018-12-24 stsp }
414 268f7291 2018-12-24 stsp
415 268f7291 2018-12-24 stsp const struct got_error *
416 268f7291 2018-12-24 stsp got_privsep_send_tag_req(struct imsgbuf *ibuf, int fd,
417 268f7291 2018-12-24 stsp struct got_object_id *id, int pack_idx)
418 268f7291 2018-12-24 stsp {
419 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
420 d5c81d44 2021-07-08 stsp void *data;
421 268f7291 2018-12-24 stsp size_t len;
422 268f7291 2018-12-24 stsp
423 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
424 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tag is packed */
425 268f7291 2018-12-24 stsp iobj.idx = pack_idx;
426 b6f67730 2023-02-03 thomas memcpy(&iobj.id, id, sizeof(iobj.id));
427 d5c81d44 2021-07-08 stsp data = &iobj;
428 268f7291 2018-12-24 stsp len = sizeof(iobj);
429 268f7291 2018-12-24 stsp } else {
430 d5c81d44 2021-07-08 stsp data = id;
431 d5c81d44 2021-07-08 stsp len = sizeof(*id);
432 268f7291 2018-12-24 stsp }
433 268f7291 2018-12-24 stsp
434 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_REQUEST, 0, 0, fd, data, len)
435 1785f84a 2018-12-23 stsp == -1)
436 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose TAG_REQUEST");
437 7762fe12 2018-11-05 stsp
438 7762fe12 2018-11-05 stsp return flush_imsg(ibuf);
439 7762fe12 2018-11-05 stsp }
440 7762fe12 2018-11-05 stsp
441 7762fe12 2018-11-05 stsp const struct got_error *
442 ebc55e2d 2018-12-24 stsp got_privsep_send_blob_req(struct imsgbuf *ibuf, int infd,
443 ebc55e2d 2018-12-24 stsp struct got_object_id *id, int pack_idx)
444 55da3778 2018-09-10 stsp {
445 41496140 2019-02-21 stsp const struct got_error *err = NULL;
446 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
447 d5c81d44 2021-07-08 stsp void *data;
448 ebc55e2d 2018-12-24 stsp size_t len;
449 ebc55e2d 2018-12-24 stsp
450 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
451 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* blob is packed */
452 ebc55e2d 2018-12-24 stsp iobj.idx = pack_idx;
453 b6f67730 2023-02-03 thomas memcpy(&iobj.id, id, sizeof(iobj.id));
454 d5c81d44 2021-07-08 stsp data = &iobj;
455 ebc55e2d 2018-12-24 stsp len = sizeof(iobj);
456 ebc55e2d 2018-12-24 stsp } else {
457 d5c81d44 2021-07-08 stsp data = id;
458 d5c81d44 2021-07-08 stsp len = sizeof(*id);
459 ebc55e2d 2018-12-24 stsp }
460 ebc55e2d 2018-12-24 stsp
461 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_REQUEST, 0, 0, infd, data, len)
462 41496140 2019-02-21 stsp == -1) {
463 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_REQUEST");
464 41496140 2019-02-21 stsp close(infd);
465 41496140 2019-02-21 stsp return err;
466 41496140 2019-02-21 stsp }
467 ad242220 2018-09-08 stsp
468 55da3778 2018-09-10 stsp return flush_imsg(ibuf);
469 55da3778 2018-09-10 stsp }
470 ad242220 2018-09-08 stsp
471 55da3778 2018-09-10 stsp const struct got_error *
472 55da3778 2018-09-10 stsp got_privsep_send_blob_outfd(struct imsgbuf *ibuf, int outfd)
473 55da3778 2018-09-10 stsp {
474 41496140 2019-02-21 stsp const struct got_error *err = NULL;
475 41496140 2019-02-21 stsp
476 ad242220 2018-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_OUTFD, 0, 0, outfd, NULL, 0)
477 41496140 2019-02-21 stsp == -1) {
478 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_OUTFD");
479 41496140 2019-02-21 stsp close(outfd);
480 41496140 2019-02-21 stsp return err;
481 41496140 2019-02-21 stsp }
482 3840f4c9 2018-09-12 stsp
483 3840f4c9 2018-09-12 stsp return flush_imsg(ibuf);
484 3840f4c9 2018-09-12 stsp }
485 3840f4c9 2018-09-12 stsp
486 73ab1060 2020-03-18 stsp static const struct got_error *
487 73ab1060 2020-03-18 stsp send_fd(struct imsgbuf *ibuf, int imsg_code, int fd)
488 3840f4c9 2018-09-12 stsp {
489 41496140 2019-02-21 stsp const struct got_error *err = NULL;
490 41496140 2019-02-21 stsp
491 73ab1060 2020-03-18 stsp if (imsg_compose(ibuf, imsg_code, 0, 0, fd, NULL, 0) == -1) {
492 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TMPFD");
493 41496140 2019-02-21 stsp close(fd);
494 41496140 2019-02-21 stsp return err;
495 41496140 2019-02-21 stsp }
496 ad242220 2018-09-08 stsp
497 ad242220 2018-09-08 stsp return flush_imsg(ibuf);
498 ad242220 2018-09-08 stsp }
499 ad242220 2018-09-08 stsp
500 ad242220 2018-09-08 stsp const struct got_error *
501 73ab1060 2020-03-18 stsp got_privsep_send_tmpfd(struct imsgbuf *ibuf, int fd)
502 73ab1060 2020-03-18 stsp {
503 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_TMPFD, fd);
504 73ab1060 2020-03-18 stsp }
505 73ab1060 2020-03-18 stsp
506 73ab1060 2020-03-18 stsp const struct got_error *
507 876c234b 2018-09-10 stsp got_privsep_send_obj(struct imsgbuf *ibuf, struct got_object *obj)
508 2178c42e 2018-04-22 stsp {
509 2178c42e 2018-04-22 stsp struct got_imsg_object iobj;
510 1bb2bba2 2022-06-23 thomas
511 1bb2bba2 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
512 2178c42e 2018-04-22 stsp
513 fc842fc8 2023-02-03 thomas memcpy(&iobj.id, &obj->id, sizeof(iobj.id));
514 2178c42e 2018-04-22 stsp iobj.type = obj->type;
515 2178c42e 2018-04-22 stsp iobj.flags = obj->flags;
516 2178c42e 2018-04-22 stsp iobj.hdrlen = obj->hdrlen;
517 2178c42e 2018-04-22 stsp iobj.size = obj->size;
518 c59b3346 2018-09-11 stsp if (iobj.flags & GOT_OBJ_FLAG_PACKED) {
519 876c234b 2018-09-10 stsp iobj.pack_offset = obj->pack_offset;
520 c59b3346 2018-09-11 stsp iobj.pack_idx = obj->pack_idx;
521 c59b3346 2018-09-11 stsp }
522 2178c42e 2018-04-22 stsp
523 2178c42e 2018-04-22 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT, 0, 0, -1, &iobj, sizeof(iobj))
524 2178c42e 2018-04-22 stsp == -1)
525 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT");
526 2178c42e 2018-04-22 stsp
527 c59b3346 2018-09-11 stsp return flush_imsg(ibuf);
528 cfd633c2 2018-09-10 stsp }
529 cfd633c2 2018-09-10 stsp
530 cfd633c2 2018-09-10 stsp const struct got_error *
531 33501562 2020-03-18 stsp got_privsep_send_fetch_req(struct imsgbuf *ibuf, int fd,
532 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs, int fetch_all_branches,
533 abc59930 2021-09-05 naddy struct got_pathlist_head *wanted_branches,
534 abc59930 2021-09-05 naddy struct got_pathlist_head *wanted_refs, int list_refs_only, int verbosity)
535 93658fb9 2020-03-18 stsp {
536 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
537 33501562 2020-03-18 stsp struct ibuf *wbuf;
538 4ba14133 2020-03-20 stsp size_t len;
539 33501562 2020-03-18 stsp struct got_pathlist_entry *pe;
540 4ba14133 2020-03-20 stsp struct got_imsg_fetch_request fetchreq;
541 93658fb9 2020-03-18 stsp
542 4ba14133 2020-03-20 stsp memset(&fetchreq, 0, sizeof(fetchreq));
543 4ba14133 2020-03-20 stsp fetchreq.fetch_all_branches = fetch_all_branches;
544 41b0de12 2020-03-21 stsp fetchreq.list_refs_only = list_refs_only;
545 2690194b 2020-03-21 stsp fetchreq.verbosity = verbosity;
546 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, have_refs, entry)
547 4ba14133 2020-03-20 stsp fetchreq.n_have_refs++;
548 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry)
549 4ba14133 2020-03-20 stsp fetchreq.n_wanted_branches++;
550 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry)
551 0e4002ca 2020-03-21 stsp fetchreq.n_wanted_refs++;
552 659e7fbd 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_request);
553 33501562 2020-03-18 stsp if (len >= MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
554 33501562 2020-03-18 stsp close(fd);
555 33501562 2020-03-18 stsp return got_error(GOT_ERR_NO_SPACE);
556 33501562 2020-03-18 stsp }
557 33501562 2020-03-18 stsp
558 4ba14133 2020-03-20 stsp if (imsg_compose(ibuf, GOT_IMSG_FETCH_REQUEST, 0, 0, fd,
559 4ba14133 2020-03-20 stsp &fetchreq, sizeof(fetchreq)) == -1)
560 4ba14133 2020-03-20 stsp return got_error_from_errno(
561 4ba14133 2020-03-20 stsp "imsg_compose FETCH_SERVER_PROGRESS");
562 33501562 2020-03-18 stsp
563 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
564 4ba14133 2020-03-20 stsp if (err) {
565 659e7fbd 2020-03-20 stsp close(fd);
566 659e7fbd 2020-03-20 stsp return err;
567 659e7fbd 2020-03-20 stsp }
568 4ba14133 2020-03-20 stsp fd = -1;
569 33501562 2020-03-18 stsp
570 33501562 2020-03-18 stsp TAILQ_FOREACH(pe, have_refs, entry) {
571 33501562 2020-03-18 stsp const char *name = pe->path;
572 33501562 2020-03-18 stsp size_t name_len = pe->path_len;
573 33501562 2020-03-18 stsp struct got_object_id *id = pe->data;
574 33501562 2020-03-18 stsp
575 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_have_ref) + name_len;
576 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_HAVE_REF, 0, 0, len);
577 4ba14133 2020-03-20 stsp if (wbuf == NULL)
578 4ba14133 2020-03-20 stsp return got_error_from_errno("imsg_create FETCH_HAVE_REF");
579 4ba14133 2020-03-20 stsp
580 33501562 2020-03-18 stsp /* Keep in sync with struct got_imsg_fetch_have_ref! */
581 f9f54468 2023-02-03 thomas if (imsg_add(wbuf, id, sizeof(*id)) == -1)
582 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add FETCH_HAVE_REF");
583 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
584 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add FETCH_HAVE_REF");
585 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
586 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add FETCH_HAVE_REF");
587 4ba14133 2020-03-20 stsp
588 4ba14133 2020-03-20 stsp wbuf->fd = -1;
589 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
590 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
591 4ba14133 2020-03-20 stsp if (err)
592 4ba14133 2020-03-20 stsp return err;
593 33501562 2020-03-18 stsp }
594 33501562 2020-03-18 stsp
595 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry) {
596 4ba14133 2020-03-20 stsp const char *name = pe->path;
597 4ba14133 2020-03-20 stsp size_t name_len = pe->path_len;
598 4ba14133 2020-03-20 stsp
599 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_wanted_branch) + name_len;
600 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_BRANCH, 0, 0,
601 4ba14133 2020-03-20 stsp len);
602 4ba14133 2020-03-20 stsp if (wbuf == NULL)
603 4ba14133 2020-03-20 stsp return got_error_from_errno(
604 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_BRANCH");
605 4ba14133 2020-03-20 stsp
606 4ba14133 2020-03-20 stsp /* Keep in sync with struct got_imsg_fetch_wanted_branch! */
607 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
608 e9f1a409 2022-05-19 thomas return got_error_from_errno(
609 4ba14133 2020-03-20 stsp "imsg_add FETCH_WANTED_BRANCH");
610 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
611 e9f1a409 2022-05-19 thomas return got_error_from_errno(
612 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_BRANCH");
613 4ba14133 2020-03-20 stsp
614 4ba14133 2020-03-20 stsp wbuf->fd = -1;
615 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
616 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
617 4ba14133 2020-03-20 stsp if (err)
618 4ba14133 2020-03-20 stsp return err;
619 4ba14133 2020-03-20 stsp }
620 4ba14133 2020-03-20 stsp
621 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry) {
622 0e4002ca 2020-03-21 stsp const char *name = pe->path;
623 0e4002ca 2020-03-21 stsp size_t name_len = pe->path_len;
624 0e4002ca 2020-03-21 stsp
625 0e4002ca 2020-03-21 stsp len = sizeof(struct got_imsg_fetch_wanted_ref) + name_len;
626 0e4002ca 2020-03-21 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_REF, 0, 0,
627 0e4002ca 2020-03-21 stsp len);
628 0e4002ca 2020-03-21 stsp if (wbuf == NULL)
629 0e4002ca 2020-03-21 stsp return got_error_from_errno(
630 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_REF");
631 0e4002ca 2020-03-21 stsp
632 0e4002ca 2020-03-21 stsp /* Keep in sync with struct got_imsg_fetch_wanted_ref! */
633 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
634 e9f1a409 2022-05-19 thomas return got_error_from_errno(
635 0e4002ca 2020-03-21 stsp "imsg_add FETCH_WANTED_REF");
636 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
637 e9f1a409 2022-05-19 thomas return got_error_from_errno(
638 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_REF");
639 0e4002ca 2020-03-21 stsp
640 0e4002ca 2020-03-21 stsp wbuf->fd = -1;
641 0e4002ca 2020-03-21 stsp imsg_close(ibuf, wbuf);
642 0e4002ca 2020-03-21 stsp err = flush_imsg(ibuf);
643 0e4002ca 2020-03-21 stsp if (err)
644 0e4002ca 2020-03-21 stsp return err;
645 0e4002ca 2020-03-21 stsp }
646 0e4002ca 2020-03-21 stsp
647 0e4002ca 2020-03-21 stsp
648 4ba14133 2020-03-20 stsp return NULL;
649 4ba14133 2020-03-20 stsp
650 93658fb9 2020-03-18 stsp }
651 93658fb9 2020-03-18 stsp
652 93658fb9 2020-03-18 stsp const struct got_error *
653 f826addf 2020-03-18 stsp got_privsep_send_fetch_outfd(struct imsgbuf *ibuf, int fd)
654 f826addf 2020-03-18 stsp {
655 f826addf 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_FETCH_OUTFD, fd);
656 531c3985 2020-03-18 stsp }
657 531c3985 2020-03-18 stsp
658 531c3985 2020-03-18 stsp const struct got_error *
659 8f2d01a6 2020-03-18 stsp got_privsep_recv_fetch_progress(int *done, struct got_object_id **id,
660 531c3985 2020-03-18 stsp char **refname, struct got_pathlist_head *symrefs, char **server_progress,
661 1d72a2a0 2020-03-24 stsp off_t *packfile_size, uint8_t *pack_sha1, struct imsgbuf *ibuf)
662 b9f99abf 2020-03-18 stsp {
663 b9f99abf 2020-03-18 stsp const struct got_error *err = NULL;
664 b9f99abf 2020-03-18 stsp struct imsg imsg;
665 b9f99abf 2020-03-18 stsp size_t datalen;
666 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symrefs *isymrefs = NULL;
667 abe0f35f 2020-03-18 stsp size_t n, remain;
668 abe0f35f 2020-03-18 stsp off_t off;
669 531c3985 2020-03-18 stsp int i;
670 b9f99abf 2020-03-18 stsp
671 8f2d01a6 2020-03-18 stsp *done = 0;
672 8f2d01a6 2020-03-18 stsp *id = NULL;
673 b9f99abf 2020-03-18 stsp *refname = NULL;
674 531c3985 2020-03-18 stsp *server_progress = NULL;
675 5a489642 2020-03-19 stsp *packfile_size = 0;
676 1d72a2a0 2020-03-24 stsp memset(pack_sha1, 0, SHA1_DIGEST_LENGTH);
677 b9f99abf 2020-03-18 stsp
678 531c3985 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
679 b9f99abf 2020-03-18 stsp if (err)
680 b9f99abf 2020-03-18 stsp return err;
681 b9f99abf 2020-03-18 stsp
682 b9f99abf 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
683 b9f99abf 2020-03-18 stsp switch (imsg.hdr.type) {
684 abe0f35f 2020-03-18 stsp case GOT_IMSG_FETCH_SYMREFS:
685 abe0f35f 2020-03-18 stsp if (datalen < sizeof(*isymrefs)) {
686 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
687 abe0f35f 2020-03-18 stsp break;
688 abe0f35f 2020-03-18 stsp }
689 abe0f35f 2020-03-18 stsp if (isymrefs != NULL) {
690 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
691 abe0f35f 2020-03-18 stsp break;
692 abe0f35f 2020-03-18 stsp }
693 abe0f35f 2020-03-18 stsp isymrefs = (struct got_imsg_fetch_symrefs *)imsg.data;
694 abe0f35f 2020-03-18 stsp off = sizeof(*isymrefs);
695 abe0f35f 2020-03-18 stsp remain = datalen - off;
696 abe0f35f 2020-03-18 stsp for (n = 0; n < isymrefs->nsymrefs; n++) {
697 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symref *s;
698 abe0f35f 2020-03-18 stsp char *name, *target;
699 abe0f35f 2020-03-18 stsp if (remain < sizeof(struct got_imsg_fetch_symref)) {
700 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
701 abe0f35f 2020-03-18 stsp goto done;
702 abe0f35f 2020-03-18 stsp }
703 abe0f35f 2020-03-18 stsp s = (struct got_imsg_fetch_symref *)(imsg.data + off);
704 abe0f35f 2020-03-18 stsp off += sizeof(*s);
705 abe0f35f 2020-03-18 stsp remain -= sizeof(*s);
706 abe0f35f 2020-03-18 stsp if (remain < s->name_len) {
707 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
708 abe0f35f 2020-03-18 stsp goto done;
709 abe0f35f 2020-03-18 stsp }
710 abe0f35f 2020-03-18 stsp name = strndup(imsg.data + off, s->name_len);
711 abe0f35f 2020-03-18 stsp if (name == NULL) {
712 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
713 abe0f35f 2020-03-18 stsp goto done;
714 abe0f35f 2020-03-18 stsp }
715 abe0f35f 2020-03-18 stsp off += s->name_len;
716 abe0f35f 2020-03-18 stsp remain -= s->name_len;
717 abe0f35f 2020-03-18 stsp if (remain < s->target_len) {
718 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
719 abe0f35f 2020-03-18 stsp free(name);
720 abe0f35f 2020-03-18 stsp goto done;
721 abe0f35f 2020-03-18 stsp }
722 abe0f35f 2020-03-18 stsp target = strndup(imsg.data + off, s->target_len);
723 abe0f35f 2020-03-18 stsp if (target == NULL) {
724 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
725 abe0f35f 2020-03-18 stsp free(name);
726 abe0f35f 2020-03-18 stsp goto done;
727 abe0f35f 2020-03-18 stsp }
728 abe0f35f 2020-03-18 stsp off += s->target_len;
729 abe0f35f 2020-03-18 stsp remain -= s->target_len;
730 abe0f35f 2020-03-18 stsp err = got_pathlist_append(symrefs, name, target);
731 abe0f35f 2020-03-18 stsp if (err) {
732 abe0f35f 2020-03-18 stsp free(name);
733 abe0f35f 2020-03-18 stsp free(target);
734 abe0f35f 2020-03-18 stsp goto done;
735 abe0f35f 2020-03-18 stsp }
736 abe0f35f 2020-03-18 stsp }
737 abe0f35f 2020-03-18 stsp break;
738 ea7396b9 2020-03-18 stsp case GOT_IMSG_FETCH_REF:
739 9228a15c 2023-02-03 thomas if (datalen <= sizeof(**id)) {
740 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
741 531c3985 2020-03-18 stsp break;
742 531c3985 2020-03-18 stsp }
743 8f2d01a6 2020-03-18 stsp *id = malloc(sizeof(**id));
744 8f2d01a6 2020-03-18 stsp if (*id == NULL) {
745 b9f99abf 2020-03-18 stsp err = got_error_from_errno("malloc");
746 b9f99abf 2020-03-18 stsp break;
747 b9f99abf 2020-03-18 stsp }
748 9228a15c 2023-02-03 thomas memcpy(*id, imsg.data, sizeof(**id));
749 9228a15c 2023-02-03 thomas *refname = strndup(imsg.data + sizeof(**id),
750 9228a15c 2023-02-03 thomas datalen - sizeof(**id));
751 b9f99abf 2020-03-18 stsp if (*refname == NULL) {
752 b9f99abf 2020-03-18 stsp err = got_error_from_errno("strndup");
753 8f2d01a6 2020-03-18 stsp break;
754 8f2d01a6 2020-03-18 stsp }
755 8f2d01a6 2020-03-18 stsp break;
756 531c3985 2020-03-18 stsp case GOT_IMSG_FETCH_SERVER_PROGRESS:
757 531c3985 2020-03-18 stsp if (datalen == 0) {
758 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
759 531c3985 2020-03-18 stsp break;
760 531c3985 2020-03-18 stsp }
761 531c3985 2020-03-18 stsp *server_progress = strndup(imsg.data, datalen);
762 531c3985 2020-03-18 stsp if (*server_progress == NULL) {
763 531c3985 2020-03-18 stsp err = got_error_from_errno("strndup");
764 531c3985 2020-03-18 stsp break;
765 531c3985 2020-03-18 stsp }
766 531c3985 2020-03-18 stsp for (i = 0; i < datalen; i++) {
767 531c3985 2020-03-18 stsp if (!isprint((unsigned char)(*server_progress)[i]) &&
768 531c3985 2020-03-18 stsp !isspace((unsigned char)(*server_progress)[i])) {
769 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
770 531c3985 2020-03-18 stsp free(*server_progress);
771 531c3985 2020-03-18 stsp *server_progress = NULL;
772 531c3985 2020-03-18 stsp goto done;
773 531c3985 2020-03-18 stsp }
774 531c3985 2020-03-18 stsp }
775 531c3985 2020-03-18 stsp break;
776 d2cdc636 2020-03-18 stsp case GOT_IMSG_FETCH_DOWNLOAD_PROGRESS:
777 d2cdc636 2020-03-18 stsp if (datalen < sizeof(*packfile_size)) {
778 d2cdc636 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
779 d2cdc636 2020-03-18 stsp break;
780 d2cdc636 2020-03-18 stsp }
781 d2cdc636 2020-03-18 stsp memcpy(packfile_size, imsg.data, sizeof(*packfile_size));
782 d2cdc636 2020-03-18 stsp break;
783 8f2d01a6 2020-03-18 stsp case GOT_IMSG_FETCH_DONE:
784 8f2d01a6 2020-03-18 stsp if (datalen != SHA1_DIGEST_LENGTH) {
785 8f2d01a6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
786 8f2d01a6 2020-03-18 stsp break;
787 8f2d01a6 2020-03-18 stsp }
788 1d72a2a0 2020-03-24 stsp memcpy(pack_sha1, imsg.data, SHA1_DIGEST_LENGTH);
789 8f2d01a6 2020-03-18 stsp *done = 1;
790 b9f99abf 2020-03-18 stsp break;
791 b9f99abf 2020-03-18 stsp default:
792 b887aab6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
793 b887aab6 2020-03-18 stsp break;
794 b9f99abf 2020-03-18 stsp }
795 abe0f35f 2020-03-18 stsp done:
796 b887aab6 2020-03-18 stsp if (err) {
797 8f2d01a6 2020-03-18 stsp free(*id);
798 8f2d01a6 2020-03-18 stsp *id = NULL;
799 b887aab6 2020-03-18 stsp free(*refname);
800 b887aab6 2020-03-18 stsp *refname = NULL;
801 f8a36e22 2021-08-26 stsp }
802 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
803 f8a36e22 2021-08-26 stsp return err;
804 f8a36e22 2021-08-26 stsp }
805 f8a36e22 2021-08-26 stsp
806 f8a36e22 2021-08-26 stsp static const struct got_error *
807 f8a36e22 2021-08-26 stsp send_send_ref(const char *name, size_t name_len, struct got_object_id *id,
808 f8a36e22 2021-08-26 stsp int delete, struct imsgbuf *ibuf)
809 f8a36e22 2021-08-26 stsp {
810 f8a36e22 2021-08-26 stsp size_t len;
811 f8a36e22 2021-08-26 stsp struct ibuf *wbuf;
812 f8a36e22 2021-08-26 stsp
813 f8a36e22 2021-08-26 stsp len = sizeof(struct got_imsg_send_ref) + name_len;
814 f8a36e22 2021-08-26 stsp wbuf = imsg_create(ibuf, GOT_IMSG_SEND_REF, 0, 0, len);
815 f8a36e22 2021-08-26 stsp if (wbuf == NULL)
816 f8a36e22 2021-08-26 stsp return got_error_from_errno("imsg_create SEND_REF");
817 f8a36e22 2021-08-26 stsp
818 f8a36e22 2021-08-26 stsp /* Keep in sync with struct got_imsg_send_ref! */
819 ea58e974 2023-02-03 thomas if (imsg_add(wbuf, id, sizeof(*id)) == -1)
820 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
821 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &delete, sizeof(delete)) == -1)
822 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
823 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
824 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
825 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
826 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
827 f8a36e22 2021-08-26 stsp
828 f8a36e22 2021-08-26 stsp wbuf->fd = -1;
829 f8a36e22 2021-08-26 stsp imsg_close(ibuf, wbuf);
830 f8a36e22 2021-08-26 stsp return flush_imsg(ibuf);
831 f8a36e22 2021-08-26 stsp }
832 f8a36e22 2021-08-26 stsp
833 f8a36e22 2021-08-26 stsp const struct got_error *
834 f8a36e22 2021-08-26 stsp got_privsep_send_send_req(struct imsgbuf *ibuf, int fd,
835 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs,
836 abc59930 2021-09-05 naddy struct got_pathlist_head *delete_refs,
837 abc59930 2021-09-05 naddy int verbosity)
838 f8a36e22 2021-08-26 stsp {
839 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
840 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *pe;
841 f8a36e22 2021-08-26 stsp struct got_imsg_send_request sendreq;
842 f8a36e22 2021-08-26 stsp struct got_object_id zero_id;
843 f8a36e22 2021-08-26 stsp
844 f8a36e22 2021-08-26 stsp memset(&zero_id, 0, sizeof(zero_id));
845 f8a36e22 2021-08-26 stsp memset(&sendreq, 0, sizeof(sendreq));
846 f8a36e22 2021-08-26 stsp sendreq.verbosity = verbosity;
847 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry)
848 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
849 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry)
850 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
851 f8a36e22 2021-08-26 stsp if (imsg_compose(ibuf, GOT_IMSG_SEND_REQUEST, 0, 0, fd,
852 f8a36e22 2021-08-26 stsp &sendreq, sizeof(sendreq)) == -1) {
853 f8a36e22 2021-08-26 stsp err = got_error_from_errno(
854 f8a36e22 2021-08-26 stsp "imsg_compose FETCH_SERVER_PROGRESS");
855 f8a36e22 2021-08-26 stsp goto done;
856 f8a36e22 2021-08-26 stsp }
857 f8a36e22 2021-08-26 stsp
858 f8a36e22 2021-08-26 stsp err = flush_imsg(ibuf);
859 f8a36e22 2021-08-26 stsp if (err)
860 f8a36e22 2021-08-26 stsp goto done;
861 f8a36e22 2021-08-26 stsp fd = -1;
862 f8a36e22 2021-08-26 stsp
863 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry) {
864 f8a36e22 2021-08-26 stsp const char *name = pe->path;
865 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
866 f8a36e22 2021-08-26 stsp struct got_object_id *id = pe->data;
867 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, id, 0, ibuf);
868 f8a36e22 2021-08-26 stsp if (err)
869 f8a36e22 2021-08-26 stsp goto done;
870 f8a36e22 2021-08-26 stsp }
871 f8a36e22 2021-08-26 stsp
872 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry) {
873 f8a36e22 2021-08-26 stsp const char *name = pe->path;
874 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
875 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, &zero_id, 1, ibuf);
876 f8a36e22 2021-08-26 stsp if (err)
877 f8a36e22 2021-08-26 stsp goto done;
878 f8a36e22 2021-08-26 stsp }
879 f8a36e22 2021-08-26 stsp done:
880 f8a36e22 2021-08-26 stsp if (fd != -1 && close(fd) == -1 && err == NULL)
881 f8a36e22 2021-08-26 stsp err = got_error_from_errno("close");
882 f8a36e22 2021-08-26 stsp return err;
883 f8a36e22 2021-08-26 stsp
884 f8a36e22 2021-08-26 stsp }
885 f8a36e22 2021-08-26 stsp
886 f8a36e22 2021-08-26 stsp const struct got_error *
887 f8a36e22 2021-08-26 stsp got_privsep_recv_send_remote_refs(struct got_pathlist_head *remote_refs,
888 f8a36e22 2021-08-26 stsp struct imsgbuf *ibuf)
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 imsg imsg;
892 f8a36e22 2021-08-26 stsp size_t datalen;
893 f8a36e22 2021-08-26 stsp int done = 0;
894 f8a36e22 2021-08-26 stsp struct got_imsg_send_remote_ref iremote_ref;
895 f8a36e22 2021-08-26 stsp struct got_object_id *id = NULL;
896 f8a36e22 2021-08-26 stsp char *refname = NULL;
897 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *new;
898 f8a36e22 2021-08-26 stsp
899 f8a36e22 2021-08-26 stsp while (!done) {
900 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
901 f8a36e22 2021-08-26 stsp if (err)
902 f8a36e22 2021-08-26 stsp return err;
903 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
904 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
905 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REMOTE_REF:
906 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iremote_ref)) {
907 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
908 f8a36e22 2021-08-26 stsp goto done;
909 f8a36e22 2021-08-26 stsp }
910 f8a36e22 2021-08-26 stsp memcpy(&iremote_ref, imsg.data, sizeof(iremote_ref));
911 f8a36e22 2021-08-26 stsp if (datalen != sizeof(iremote_ref) +
912 f8a36e22 2021-08-26 stsp iremote_ref.name_len) {
913 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
914 f8a36e22 2021-08-26 stsp goto done;
915 f8a36e22 2021-08-26 stsp }
916 f8a36e22 2021-08-26 stsp id = malloc(sizeof(*id));
917 f8a36e22 2021-08-26 stsp if (id == NULL) {
918 f8a36e22 2021-08-26 stsp err = got_error_from_errno("malloc");
919 f8a36e22 2021-08-26 stsp goto done;
920 f8a36e22 2021-08-26 stsp }
921 0f23036a 2023-02-03 thomas memcpy(id, &iremote_ref.id, sizeof(*id));
922 f8a36e22 2021-08-26 stsp refname = strndup(imsg.data + sizeof(iremote_ref),
923 f8a36e22 2021-08-26 stsp datalen - sizeof(iremote_ref));
924 f8a36e22 2021-08-26 stsp if (refname == NULL) {
925 f8a36e22 2021-08-26 stsp err = got_error_from_errno("strndup");
926 f8a36e22 2021-08-26 stsp goto done;
927 f8a36e22 2021-08-26 stsp }
928 f8a36e22 2021-08-26 stsp err = got_pathlist_insert(&new, remote_refs,
929 f8a36e22 2021-08-26 stsp refname, id);
930 f8a36e22 2021-08-26 stsp if (err)
931 f8a36e22 2021-08-26 stsp goto done;
932 f8a36e22 2021-08-26 stsp if (new == NULL) { /* duplicate which wasn't inserted */
933 f8a36e22 2021-08-26 stsp free(id);
934 f8a36e22 2021-08-26 stsp free(refname);
935 f8a36e22 2021-08-26 stsp }
936 f8a36e22 2021-08-26 stsp id = NULL;
937 f8a36e22 2021-08-26 stsp refname = NULL;
938 f8a36e22 2021-08-26 stsp break;
939 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_PACK_REQUEST:
940 f8a36e22 2021-08-26 stsp if (datalen != 0) {
941 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
942 f8a36e22 2021-08-26 stsp goto done;
943 f8a36e22 2021-08-26 stsp }
944 f8a36e22 2021-08-26 stsp /* got-send-pack is now waiting for a pack file. */
945 f8a36e22 2021-08-26 stsp done = 1;
946 f8a36e22 2021-08-26 stsp break;
947 f8a36e22 2021-08-26 stsp default:
948 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
949 f8a36e22 2021-08-26 stsp break;
950 f8a36e22 2021-08-26 stsp }
951 b887aab6 2020-03-18 stsp }
952 f8a36e22 2021-08-26 stsp done:
953 f8a36e22 2021-08-26 stsp free(id);
954 f8a36e22 2021-08-26 stsp free(refname);
955 b9f99abf 2020-03-18 stsp imsg_free(&imsg);
956 b9f99abf 2020-03-18 stsp return err;
957 93658fb9 2020-03-18 stsp }
958 93658fb9 2020-03-18 stsp
959 93658fb9 2020-03-18 stsp const struct got_error *
960 f8a36e22 2021-08-26 stsp got_privsep_send_packfd(struct imsgbuf *ibuf, int fd)
961 f8a36e22 2021-08-26 stsp {
962 f8a36e22 2021-08-26 stsp return send_fd(ibuf, GOT_IMSG_SEND_PACKFD, fd);
963 f8a36e22 2021-08-26 stsp }
964 f8a36e22 2021-08-26 stsp
965 f8a36e22 2021-08-26 stsp const struct got_error *
966 f8a36e22 2021-08-26 stsp got_privsep_recv_send_progress(int *done, off_t *bytes_sent,
967 3fe5d0fe 2022-11-17 thomas int *success, char **refname, char **errmsg, struct imsgbuf *ibuf)
968 f8a36e22 2021-08-26 stsp {
969 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
970 f8a36e22 2021-08-26 stsp struct imsg imsg;
971 f8a36e22 2021-08-26 stsp size_t datalen;
972 f8a36e22 2021-08-26 stsp struct got_imsg_send_ref_status iref_status;
973 f8a36e22 2021-08-26 stsp
974 f8a36e22 2021-08-26 stsp /* Do not reset the current value of 'bytes_sent', it accumulates. */
975 f8a36e22 2021-08-26 stsp *done = 0;
976 f8a36e22 2021-08-26 stsp *success = 0;
977 f8a36e22 2021-08-26 stsp *refname = NULL;
978 3fe5d0fe 2022-11-17 thomas *errmsg = NULL;
979 f8a36e22 2021-08-26 stsp
980 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
981 f8a36e22 2021-08-26 stsp if (err)
982 f8a36e22 2021-08-26 stsp return err;
983 f8a36e22 2021-08-26 stsp
984 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
985 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
986 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_UPLOAD_PROGRESS:
987 f8a36e22 2021-08-26 stsp if (datalen < sizeof(*bytes_sent)) {
988 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
989 f8a36e22 2021-08-26 stsp break;
990 f8a36e22 2021-08-26 stsp }
991 f8a36e22 2021-08-26 stsp memcpy(bytes_sent, imsg.data, sizeof(*bytes_sent));
992 f8a36e22 2021-08-26 stsp break;
993 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REF_STATUS:
994 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iref_status)) {
995 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
996 f8a36e22 2021-08-26 stsp break;
997 f8a36e22 2021-08-26 stsp }
998 f8a36e22 2021-08-26 stsp memcpy(&iref_status, imsg.data, sizeof(iref_status));
999 3fe5d0fe 2022-11-17 thomas if (datalen != sizeof(iref_status) + iref_status.name_len +
1000 3fe5d0fe 2022-11-17 thomas iref_status.errmsg_len) {
1001 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1002 f8a36e22 2021-08-26 stsp break;
1003 f8a36e22 2021-08-26 stsp }
1004 f8a36e22 2021-08-26 stsp *success = iref_status.success;
1005 f8a36e22 2021-08-26 stsp *refname = strndup(imsg.data + sizeof(iref_status),
1006 f8a36e22 2021-08-26 stsp iref_status.name_len);
1007 3fe5d0fe 2022-11-17 thomas
1008 3fe5d0fe 2022-11-17 thomas if (iref_status.errmsg_len != 0)
1009 3fe5d0fe 2022-11-17 thomas *errmsg = strndup(imsg.data + sizeof(iref_status) +
1010 3fe5d0fe 2022-11-17 thomas iref_status.name_len, iref_status.errmsg_len);
1011 f8a36e22 2021-08-26 stsp break;
1012 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_DONE:
1013 f8a36e22 2021-08-26 stsp if (datalen != 0) {
1014 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1015 f8a36e22 2021-08-26 stsp break;
1016 f8a36e22 2021-08-26 stsp }
1017 f8a36e22 2021-08-26 stsp *done = 1;
1018 f8a36e22 2021-08-26 stsp break;
1019 f8a36e22 2021-08-26 stsp default:
1020 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1021 f8a36e22 2021-08-26 stsp break;
1022 f8a36e22 2021-08-26 stsp }
1023 f8a36e22 2021-08-26 stsp
1024 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
1025 f8a36e22 2021-08-26 stsp return err;
1026 f8a36e22 2021-08-26 stsp }
1027 f8a36e22 2021-08-26 stsp
1028 f8a36e22 2021-08-26 stsp const struct got_error *
1029 fd251256 2020-03-24 stsp got_privsep_send_index_pack_req(struct imsgbuf *ibuf, uint8_t *pack_sha1,
1030 668a20f6 2020-03-18 stsp int fd)
1031 93658fb9 2020-03-18 stsp {
1032 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1033 93658fb9 2020-03-18 stsp
1034 668a20f6 2020-03-18 stsp /* Keep in sync with struct got_imsg_index_pack_request */
1035 93658fb9 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_IDXPACK_REQUEST, 0, 0, fd,
1036 fd251256 2020-03-24 stsp pack_sha1, SHA1_DIGEST_LENGTH) == -1) {
1037 93658fb9 2020-03-18 stsp err = got_error_from_errno("imsg_compose INDEX_REQUEST");
1038 93658fb9 2020-03-18 stsp close(fd);
1039 93658fb9 2020-03-18 stsp return err;
1040 93658fb9 2020-03-18 stsp }
1041 baa9fea0 2020-03-18 stsp return flush_imsg(ibuf);
1042 baa9fea0 2020-03-18 stsp }
1043 baa9fea0 2020-03-18 stsp
1044 baa9fea0 2020-03-18 stsp const struct got_error *
1045 73ab1060 2020-03-18 stsp got_privsep_send_index_pack_outfd(struct imsgbuf *ibuf, int fd)
1046 73ab1060 2020-03-18 stsp {
1047 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_IDXPACK_OUTFD, fd);
1048 73ab1060 2020-03-18 stsp }
1049 73ab1060 2020-03-18 stsp
1050 73ab1060 2020-03-18 stsp const struct got_error *
1051 668a20f6 2020-03-18 stsp got_privsep_recv_index_progress(int *done, int *nobj_total,
1052 668a20f6 2020-03-18 stsp int *nobj_indexed, int *nobj_loose, int *nobj_resolved,
1053 668a20f6 2020-03-18 stsp struct imsgbuf *ibuf)
1054 93658fb9 2020-03-18 stsp {
1055 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1056 93658fb9 2020-03-18 stsp struct imsg imsg;
1057 baa9fea0 2020-03-18 stsp struct got_imsg_index_pack_progress *iprogress;
1058 baa9fea0 2020-03-18 stsp size_t datalen;
1059 93658fb9 2020-03-18 stsp
1060 baa9fea0 2020-03-18 stsp *done = 0;
1061 668a20f6 2020-03-18 stsp *nobj_total = 0;
1062 668a20f6 2020-03-18 stsp *nobj_indexed = 0;
1063 668a20f6 2020-03-18 stsp *nobj_resolved = 0;
1064 baa9fea0 2020-03-18 stsp
1065 93658fb9 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1066 93658fb9 2020-03-18 stsp if (err)
1067 93658fb9 2020-03-18 stsp return err;
1068 baa9fea0 2020-03-18 stsp
1069 baa9fea0 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1070 baa9fea0 2020-03-18 stsp switch (imsg.hdr.type) {
1071 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_PROGRESS:
1072 baa9fea0 2020-03-18 stsp if (datalen < sizeof(*iprogress)) {
1073 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1074 baa9fea0 2020-03-18 stsp break;
1075 baa9fea0 2020-03-18 stsp }
1076 baa9fea0 2020-03-18 stsp iprogress = (struct got_imsg_index_pack_progress *)imsg.data;
1077 31d32634 2022-06-23 thomas if (iprogress->nobj_total < 0 || iprogress->nobj_indexed < 0 ||
1078 31d32634 2022-06-23 thomas iprogress->nobj_loose < 0 || iprogress->nobj_resolved < 0) {
1079 31d32634 2022-06-23 thomas err = got_error(GOT_ERR_RANGE);
1080 31d32634 2022-06-23 thomas break;
1081 31d32634 2022-06-23 thomas }
1082 668a20f6 2020-03-18 stsp *nobj_total = iprogress->nobj_total;
1083 668a20f6 2020-03-18 stsp *nobj_indexed = iprogress->nobj_indexed;
1084 668a20f6 2020-03-18 stsp *nobj_loose = iprogress->nobj_loose;
1085 668a20f6 2020-03-18 stsp *nobj_resolved = iprogress->nobj_resolved;
1086 baa9fea0 2020-03-18 stsp break;
1087 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_DONE:
1088 baa9fea0 2020-03-18 stsp if (datalen != 0) {
1089 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1090 baa9fea0 2020-03-18 stsp break;
1091 baa9fea0 2020-03-18 stsp }
1092 baa9fea0 2020-03-18 stsp *done = 1;
1093 baa9fea0 2020-03-18 stsp break;
1094 baa9fea0 2020-03-18 stsp default:
1095 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1096 baa9fea0 2020-03-18 stsp break;
1097 baa9fea0 2020-03-18 stsp }
1098 baa9fea0 2020-03-18 stsp
1099 93658fb9 2020-03-18 stsp imsg_free(&imsg);
1100 baa9fea0 2020-03-18 stsp return err;
1101 93658fb9 2020-03-18 stsp }
1102 93658fb9 2020-03-18 stsp
1103 93658fb9 2020-03-18 stsp const struct got_error *
1104 cfd633c2 2018-09-10 stsp got_privsep_get_imsg_obj(struct got_object **obj, struct imsg *imsg,
1105 cfd633c2 2018-09-10 stsp struct imsgbuf *ibuf)
1106 cfd633c2 2018-09-10 stsp {
1107 291624d8 2018-11-07 stsp struct got_imsg_object *iobj;
1108 cfd633c2 2018-09-10 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1109 cfd633c2 2018-09-10 stsp
1110 291624d8 2018-11-07 stsp if (datalen != sizeof(*iobj))
1111 cfd633c2 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1112 291624d8 2018-11-07 stsp iobj = imsg->data;
1113 cfd633c2 2018-09-10 stsp
1114 31d32634 2022-06-23 thomas if (iobj->pack_offset < 0)
1115 31d32634 2022-06-23 thomas return got_error(GOT_ERR_PACK_OFFSET);
1116 31d32634 2022-06-23 thomas
1117 cfd633c2 2018-09-10 stsp *obj = calloc(1, sizeof(**obj));
1118 cfd633c2 2018-09-10 stsp if (*obj == NULL)
1119 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
1120 cfd633c2 2018-09-10 stsp
1121 fc842fc8 2023-02-03 thomas memcpy(&(*obj)->id, &iobj->id, sizeof(iobj->id));
1122 291624d8 2018-11-07 stsp (*obj)->type = iobj->type;
1123 291624d8 2018-11-07 stsp (*obj)->flags = iobj->flags;
1124 291624d8 2018-11-07 stsp (*obj)->hdrlen = iobj->hdrlen;
1125 291624d8 2018-11-07 stsp (*obj)->size = iobj->size;
1126 c59b3346 2018-09-11 stsp /* path_packfile is handled by caller */
1127 291624d8 2018-11-07 stsp if (iobj->flags & GOT_OBJ_FLAG_PACKED) {
1128 291624d8 2018-11-07 stsp (*obj)->pack_offset = iobj->pack_offset;
1129 291624d8 2018-11-07 stsp (*obj)->pack_idx = iobj->pack_idx;
1130 876c234b 2018-09-10 stsp }
1131 772802ae 2022-01-27 thomas STAILQ_INIT(&(*obj)->deltas.entries);
1132 772802ae 2022-01-27 thomas return NULL;
1133 876c234b 2018-09-10 stsp }
1134 876c234b 2018-09-10 stsp
1135 2178c42e 2018-04-22 stsp const struct got_error *
1136 2178c42e 2018-04-22 stsp got_privsep_recv_obj(struct got_object **obj, struct imsgbuf *ibuf)
1137 2178c42e 2018-04-22 stsp {
1138 2178c42e 2018-04-22 stsp const struct got_error *err = NULL;
1139 2178c42e 2018-04-22 stsp struct imsg imsg;
1140 c4eae628 2018-04-23 stsp const size_t min_datalen =
1141 c4eae628 2018-04-23 stsp MIN(sizeof(struct got_imsg_error), sizeof(struct got_imsg_object));
1142 2178c42e 2018-04-22 stsp
1143 2178c42e 2018-04-22 stsp *obj = NULL;
1144 2178c42e 2018-04-22 stsp
1145 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1146 2178c42e 2018-04-22 stsp if (err)
1147 2178c42e 2018-04-22 stsp return err;
1148 2178c42e 2018-04-22 stsp
1149 2178c42e 2018-04-22 stsp switch (imsg.hdr.type) {
1150 2178c42e 2018-04-22 stsp case GOT_IMSG_OBJECT:
1151 cfd633c2 2018-09-10 stsp err = got_privsep_get_imsg_obj(obj, &imsg, ibuf);
1152 bff6ca00 2018-04-23 stsp break;
1153 bff6ca00 2018-04-23 stsp default:
1154 bff6ca00 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1155 bff6ca00 2018-04-23 stsp break;
1156 bff6ca00 2018-04-23 stsp }
1157 bff6ca00 2018-04-23 stsp
1158 bff6ca00 2018-04-23 stsp imsg_free(&imsg);
1159 bff6ca00 2018-04-23 stsp
1160 bff6ca00 2018-04-23 stsp return err;
1161 c75f7264 2018-09-11 stsp }
1162 c75f7264 2018-09-11 stsp
1163 c75f7264 2018-09-11 stsp static const struct got_error *
1164 c75f7264 2018-09-11 stsp send_commit_logmsg(struct imsgbuf *ibuf, struct got_commit_object *commit,
1165 c75f7264 2018-09-11 stsp size_t logmsg_len)
1166 c75f7264 2018-09-11 stsp {
1167 fa4ffeb3 2018-11-04 stsp const struct got_error *err = NULL;
1168 c75f7264 2018-09-11 stsp size_t offset, remain;
1169 c75f7264 2018-09-11 stsp
1170 c75f7264 2018-09-11 stsp offset = 0;
1171 c75f7264 2018-09-11 stsp remain = logmsg_len;
1172 c75f7264 2018-09-11 stsp while (remain > 0) {
1173 c75f7264 2018-09-11 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1174 c75f7264 2018-09-11 stsp
1175 c75f7264 2018-09-11 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_LOGMSG, 0, 0, -1,
1176 fa4ffeb3 2018-11-04 stsp commit->logmsg + offset, n) == -1) {
1177 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose "
1178 230a42bd 2019-05-11 jcs "COMMIT_LOGMSG");
1179 fa4ffeb3 2018-11-04 stsp break;
1180 fa4ffeb3 2018-11-04 stsp }
1181 c75f7264 2018-09-11 stsp
1182 fa4ffeb3 2018-11-04 stsp err = flush_imsg(ibuf);
1183 fa4ffeb3 2018-11-04 stsp if (err)
1184 fa4ffeb3 2018-11-04 stsp break;
1185 c75f7264 2018-09-11 stsp
1186 c75f7264 2018-09-11 stsp offset += n;
1187 c75f7264 2018-09-11 stsp remain -= n;
1188 c75f7264 2018-09-11 stsp }
1189 c75f7264 2018-09-11 stsp
1190 fa4ffeb3 2018-11-04 stsp return err;
1191 bff6ca00 2018-04-23 stsp }
1192 bff6ca00 2018-04-23 stsp
1193 bff6ca00 2018-04-23 stsp const struct got_error *
1194 068fd2bf 2018-04-24 stsp got_privsep_send_commit(struct imsgbuf *ibuf, struct got_commit_object *commit)
1195 bff6ca00 2018-04-23 stsp {
1196 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1197 b9c33926 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1198 bff6ca00 2018-04-23 stsp uint8_t *buf;
1199 bff6ca00 2018-04-23 stsp size_t len, total;
1200 79f35eb3 2018-06-11 stsp struct got_object_qid *qid;
1201 b9c33926 2018-11-07 stsp size_t author_len = strlen(commit->author);
1202 b9c33926 2018-11-07 stsp size_t committer_len = strlen(commit->committer);
1203 c75f7264 2018-09-11 stsp size_t logmsg_len = strlen(commit->logmsg);
1204 bff6ca00 2018-04-23 stsp
1205 b9c33926 2018-11-07 stsp total = sizeof(*icommit) + author_len + committer_len +
1206 e4c85b49 2023-02-03 thomas commit->nparents * sizeof(struct got_object_id);
1207 bff6ca00 2018-04-23 stsp
1208 bff6ca00 2018-04-23 stsp buf = malloc(total);
1209 bff6ca00 2018-04-23 stsp if (buf == NULL)
1210 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1211 bff6ca00 2018-04-23 stsp
1212 b9c33926 2018-11-07 stsp icommit = (struct got_imsg_commit_object *)buf;
1213 e4c85b49 2023-02-03 thomas memcpy(&icommit->tree_id, commit->tree_id, sizeof(icommit->tree_id));
1214 b9c33926 2018-11-07 stsp icommit->author_len = author_len;
1215 b9c33926 2018-11-07 stsp icommit->author_time = commit->author_time;
1216 b9c33926 2018-11-07 stsp icommit->author_gmtoff = commit->author_gmtoff;
1217 b9c33926 2018-11-07 stsp icommit->committer_len = committer_len;
1218 b9c33926 2018-11-07 stsp icommit->committer_time = commit->committer_time;
1219 b9c33926 2018-11-07 stsp icommit->committer_gmtoff = commit->committer_gmtoff;
1220 b9c33926 2018-11-07 stsp icommit->logmsg_len = logmsg_len;
1221 b9c33926 2018-11-07 stsp icommit->nparents = commit->nparents;
1222 b9c33926 2018-11-07 stsp
1223 b9c33926 2018-11-07 stsp len = sizeof(*icommit);
1224 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->author, author_len);
1225 b9c33926 2018-11-07 stsp len += author_len;
1226 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->committer, committer_len);
1227 b9c33926 2018-11-07 stsp len += committer_len;
1228 dbdddfee 2021-06-23 naddy STAILQ_FOREACH(qid, &commit->parent_ids, entry) {
1229 e4c85b49 2023-02-03 thomas memcpy(buf + len, &qid->id, sizeof(qid->id));
1230 e4c85b49 2023-02-03 thomas len += sizeof(qid->id);
1231 bff6ca00 2018-04-23 stsp }
1232 bff6ca00 2018-04-23 stsp
1233 bff6ca00 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT, 0, 0, -1, buf, len) == -1) {
1234 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT");
1235 bff6ca00 2018-04-23 stsp goto done;
1236 bff6ca00 2018-04-23 stsp }
1237 bff6ca00 2018-04-23 stsp
1238 904df868 2018-11-04 stsp if (logmsg_len == 0 ||
1239 904df868 2018-11-04 stsp logmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1240 904df868 2018-11-04 stsp err = flush_imsg(ibuf);
1241 904df868 2018-11-04 stsp if (err)
1242 904df868 2018-11-04 stsp goto done;
1243 904df868 2018-11-04 stsp }
1244 c75f7264 2018-09-11 stsp err = send_commit_logmsg(ibuf, commit, logmsg_len);
1245 bff6ca00 2018-04-23 stsp done:
1246 bff6ca00 2018-04-23 stsp free(buf);
1247 bff6ca00 2018-04-23 stsp return err;
1248 bff6ca00 2018-04-23 stsp }
1249 cfd633c2 2018-09-10 stsp
1250 ca6e02ac 2020-01-07 stsp static const struct got_error *
1251 ca6e02ac 2020-01-07 stsp get_commit_from_imsg(struct got_commit_object **commit,
1252 ca6e02ac 2020-01-07 stsp struct imsg *imsg, size_t datalen, struct imsgbuf *ibuf)
1253 bff6ca00 2018-04-23 stsp {
1254 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1255 291624d8 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1256 ca6e02ac 2020-01-07 stsp size_t len = 0;
1257 bff6ca00 2018-04-23 stsp int i;
1258 bff6ca00 2018-04-23 stsp
1259 ca6e02ac 2020-01-07 stsp if (datalen < sizeof(*icommit))
1260 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1261 bff6ca00 2018-04-23 stsp
1262 ca6e02ac 2020-01-07 stsp icommit = imsg->data;
1263 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommit) + icommit->author_len +
1264 ca6e02ac 2020-01-07 stsp icommit->committer_len +
1265 e4c85b49 2023-02-03 thomas icommit->nparents * sizeof(struct got_object_id))
1266 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1267 bff6ca00 2018-04-23 stsp
1268 ca6e02ac 2020-01-07 stsp if (icommit->nparents < 0)
1269 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1270 ca6e02ac 2020-01-07 stsp
1271 ca6e02ac 2020-01-07 stsp len += sizeof(*icommit);
1272 bff6ca00 2018-04-23 stsp
1273 ca6e02ac 2020-01-07 stsp *commit = got_object_commit_alloc_partial();
1274 ca6e02ac 2020-01-07 stsp if (*commit == NULL)
1275 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
1276 ca6e02ac 2020-01-07 stsp "got_object_commit_alloc_partial");
1277 ca6e02ac 2020-01-07 stsp
1278 e4c85b49 2023-02-03 thomas memcpy((*commit)->tree_id, &icommit->tree_id,
1279 e4c85b49 2023-02-03 thomas sizeof(icommit->tree_id));
1280 ca6e02ac 2020-01-07 stsp (*commit)->author_time = icommit->author_time;
1281 ca6e02ac 2020-01-07 stsp (*commit)->author_gmtoff = icommit->author_gmtoff;
1282 ca6e02ac 2020-01-07 stsp (*commit)->committer_time = icommit->committer_time;
1283 ca6e02ac 2020-01-07 stsp (*commit)->committer_gmtoff = icommit->committer_gmtoff;
1284 ca6e02ac 2020-01-07 stsp
1285 79b7acf3 2022-06-23 thomas (*commit)->author = strndup(imsg->data + len, icommit->author_len);
1286 79b7acf3 2022-06-23 thomas if ((*commit)->author == NULL) {
1287 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1288 79b7acf3 2022-06-23 thomas goto done;
1289 ca6e02ac 2020-01-07 stsp }
1290 ca6e02ac 2020-01-07 stsp len += icommit->author_len;
1291 bff6ca00 2018-04-23 stsp
1292 79b7acf3 2022-06-23 thomas (*commit)->committer = strndup(imsg->data + len,
1293 79b7acf3 2022-06-23 thomas icommit->committer_len);
1294 79b7acf3 2022-06-23 thomas if ((*commit)->committer == NULL) {
1295 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1296 79b7acf3 2022-06-23 thomas goto done;
1297 ca6e02ac 2020-01-07 stsp }
1298 ca6e02ac 2020-01-07 stsp len += icommit->committer_len;
1299 ca6e02ac 2020-01-07 stsp
1300 ca6e02ac 2020-01-07 stsp if (icommit->logmsg_len == 0) {
1301 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = strdup("");
1302 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1303 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1304 ca6e02ac 2020-01-07 stsp goto done;
1305 ca6e02ac 2020-01-07 stsp }
1306 ca6e02ac 2020-01-07 stsp } else {
1307 ca6e02ac 2020-01-07 stsp size_t offset = 0, remain = icommit->logmsg_len;
1308 ca6e02ac 2020-01-07 stsp
1309 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = malloc(icommit->logmsg_len + 1);
1310 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1311 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1312 ca6e02ac 2020-01-07 stsp goto done;
1313 bff6ca00 2018-04-23 stsp }
1314 ca6e02ac 2020-01-07 stsp while (remain > 0) {
1315 ca6e02ac 2020-01-07 stsp struct imsg imsg_log;
1316 ca6e02ac 2020-01-07 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1317 ca6e02ac 2020-01-07 stsp remain);
1318 6c281f94 2018-06-11 stsp
1319 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1320 ca6e02ac 2020-01-07 stsp if (err)
1321 ca6e02ac 2020-01-07 stsp goto done;
1322 bff6ca00 2018-04-23 stsp
1323 ca6e02ac 2020-01-07 stsp if (imsg_log.hdr.type != GOT_IMSG_COMMIT_LOGMSG) {
1324 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1325 ca6e02ac 2020-01-07 stsp goto done;
1326 bff6ca00 2018-04-23 stsp }
1327 c75f7264 2018-09-11 stsp
1328 ca6e02ac 2020-01-07 stsp memcpy((*commit)->logmsg + offset,
1329 ca6e02ac 2020-01-07 stsp imsg_log.data, n);
1330 ca6e02ac 2020-01-07 stsp imsg_free(&imsg_log);
1331 ca6e02ac 2020-01-07 stsp offset += n;
1332 ca6e02ac 2020-01-07 stsp remain -= n;
1333 bff6ca00 2018-04-23 stsp }
1334 ca6e02ac 2020-01-07 stsp (*commit)->logmsg[icommit->logmsg_len] = '\0';
1335 ca6e02ac 2020-01-07 stsp }
1336 bff6ca00 2018-04-23 stsp
1337 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommit->nparents; i++) {
1338 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
1339 86acc566 2018-04-23 stsp
1340 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
1341 ca6e02ac 2020-01-07 stsp if (err)
1342 ca6e02ac 2020-01-07 stsp break;
1343 ec242592 2022-04-22 thomas memcpy(&qid->id, imsg->data + len +
1344 e4c85b49 2023-02-03 thomas i * sizeof(qid->id), sizeof(qid->id));
1345 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(&(*commit)->parent_ids, qid, entry);
1346 ca6e02ac 2020-01-07 stsp (*commit)->nparents++;
1347 ca6e02ac 2020-01-07 stsp }
1348 ca6e02ac 2020-01-07 stsp done:
1349 ca6e02ac 2020-01-07 stsp if (err) {
1350 ca6e02ac 2020-01-07 stsp got_object_commit_close(*commit);
1351 ca6e02ac 2020-01-07 stsp *commit = NULL;
1352 ca6e02ac 2020-01-07 stsp }
1353 ca6e02ac 2020-01-07 stsp return err;
1354 ca6e02ac 2020-01-07 stsp }
1355 ca6e02ac 2020-01-07 stsp
1356 ca6e02ac 2020-01-07 stsp const struct got_error *
1357 ca6e02ac 2020-01-07 stsp got_privsep_recv_commit(struct got_commit_object **commit, struct imsgbuf *ibuf)
1358 ca6e02ac 2020-01-07 stsp {
1359 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
1360 ca6e02ac 2020-01-07 stsp struct imsg imsg;
1361 ca6e02ac 2020-01-07 stsp size_t datalen;
1362 ca6e02ac 2020-01-07 stsp const size_t min_datalen =
1363 ca6e02ac 2020-01-07 stsp MIN(sizeof(struct got_imsg_error),
1364 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_object));
1365 ca6e02ac 2020-01-07 stsp
1366 ca6e02ac 2020-01-07 stsp *commit = NULL;
1367 ca6e02ac 2020-01-07 stsp
1368 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1369 ca6e02ac 2020-01-07 stsp if (err)
1370 ca6e02ac 2020-01-07 stsp return err;
1371 ca6e02ac 2020-01-07 stsp
1372 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1373 ca6e02ac 2020-01-07 stsp
1374 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
1375 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
1376 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(commit, &imsg, datalen, ibuf);
1377 2178c42e 2018-04-22 stsp break;
1378 8c580685 2018-04-22 stsp default:
1379 8c580685 2018-04-22 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1380 8c580685 2018-04-22 stsp break;
1381 2178c42e 2018-04-22 stsp }
1382 2178c42e 2018-04-22 stsp
1383 2178c42e 2018-04-22 stsp imsg_free(&imsg);
1384 e033d803 2018-04-23 stsp
1385 e033d803 2018-04-23 stsp return err;
1386 e033d803 2018-04-23 stsp }
1387 e033d803 2018-04-23 stsp
1388 06de99ad 2022-05-19 thomas static const struct got_error *
1389 63915ee5 2022-06-23 thomas send_tree_entries_batch(struct imsgbuf *ibuf,
1390 63915ee5 2022-06-23 thomas struct got_parsed_tree_entry *entries, int idx0, int idxN, size_t len)
1391 e033d803 2018-04-23 stsp {
1392 06de99ad 2022-05-19 thomas struct ibuf *wbuf;
1393 06de99ad 2022-05-19 thomas struct got_imsg_tree_entries ientries;
1394 06de99ad 2022-05-19 thomas int i;
1395 e033d803 2018-04-23 stsp
1396 c26ee7ad 2022-06-23 thomas memset(&ientries, 0, sizeof(ientries));
1397 c26ee7ad 2022-06-23 thomas
1398 06de99ad 2022-05-19 thomas wbuf = imsg_create(ibuf, GOT_IMSG_TREE_ENTRIES, 0, 0, len);
1399 06de99ad 2022-05-19 thomas if (wbuf == NULL)
1400 06de99ad 2022-05-19 thomas return got_error_from_errno("imsg_create TREE_ENTRY");
1401 e033d803 2018-04-23 stsp
1402 06de99ad 2022-05-19 thomas ientries.nentries = idxN - idx0 + 1;
1403 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &ientries, sizeof(ientries)) == -1)
1404 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1405 e033d803 2018-04-23 stsp
1406 06de99ad 2022-05-19 thomas for (i = idx0; i <= idxN; i++) {
1407 06de99ad 2022-05-19 thomas struct got_parsed_tree_entry *pte = &entries[i];
1408 e033d803 2018-04-23 stsp
1409 2be33b09 2023-02-03 thomas /* Keep in sync with struct got_imsg_tree_entry definition! */
1410 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, pte->id, SHA1_DIGEST_LENGTH) == -1)
1411 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1412 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &pte->mode, sizeof(pte->mode)) == -1)
1413 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1414 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &pte->namelen, sizeof(pte->namelen)) == -1)
1415 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1416 77402035 2022-06-23 thomas
1417 06de99ad 2022-05-19 thomas /* Remaining bytes are the entry's name. */
1418 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, pte->name, pte->namelen) == -1)
1419 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1420 06de99ad 2022-05-19 thomas }
1421 3022d272 2019-11-14 stsp
1422 06de99ad 2022-05-19 thomas wbuf->fd = -1;
1423 06de99ad 2022-05-19 thomas imsg_close(ibuf, wbuf);
1424 06de99ad 2022-05-19 thomas return NULL;
1425 06de99ad 2022-05-19 thomas }
1426 3022d272 2019-11-14 stsp
1427 63915ee5 2022-06-23 thomas static const struct got_error *
1428 63915ee5 2022-06-23 thomas send_tree_entries(struct imsgbuf *ibuf, struct got_parsed_tree_entry *entries,
1429 63915ee5 2022-06-23 thomas int nentries)
1430 06de99ad 2022-05-19 thomas {
1431 06de99ad 2022-05-19 thomas const struct got_error *err = NULL;
1432 06de99ad 2022-05-19 thomas int i, j;
1433 63915ee5 2022-06-23 thomas size_t entries_len = sizeof(struct got_imsg_tree_entries);
1434 06de99ad 2022-05-19 thomas
1435 06de99ad 2022-05-19 thomas i = 0;
1436 06de99ad 2022-05-19 thomas for (j = 0; j < nentries; j++) {
1437 06de99ad 2022-05-19 thomas struct got_parsed_tree_entry *pte = &entries[j];
1438 39b82974 2022-07-03 thomas size_t len = SHA1_DIGEST_LENGTH + sizeof(pte->mode) +
1439 39b82974 2022-07-03 thomas sizeof(pte->namelen) + pte->namelen;
1440 06de99ad 2022-05-19 thomas
1441 06de99ad 2022-05-19 thomas if (j > 0 &&
1442 06de99ad 2022-05-19 thomas entries_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1443 63915ee5 2022-06-23 thomas err = send_tree_entries_batch(ibuf, entries,
1444 06de99ad 2022-05-19 thomas i, j - 1, entries_len);
1445 06de99ad 2022-05-19 thomas if (err)
1446 06de99ad 2022-05-19 thomas return err;
1447 06de99ad 2022-05-19 thomas i = j;
1448 06de99ad 2022-05-19 thomas entries_len = sizeof(struct got_imsg_tree_entries);
1449 06de99ad 2022-05-19 thomas }
1450 06de99ad 2022-05-19 thomas
1451 06de99ad 2022-05-19 thomas entries_len += len;
1452 e033d803 2018-04-23 stsp }
1453 e033d803 2018-04-23 stsp
1454 06de99ad 2022-05-19 thomas if (j > 0) {
1455 63915ee5 2022-06-23 thomas err = send_tree_entries_batch(ibuf, entries, i, j - 1,
1456 63915ee5 2022-06-23 thomas entries_len);
1457 06de99ad 2022-05-19 thomas if (err)
1458 06de99ad 2022-05-19 thomas return err;
1459 06de99ad 2022-05-19 thomas }
1460 13280750 2022-06-13 thomas
1461 63915ee5 2022-06-23 thomas return NULL;
1462 63915ee5 2022-06-23 thomas }
1463 63915ee5 2022-06-23 thomas
1464 63915ee5 2022-06-23 thomas const struct got_error *
1465 63915ee5 2022-06-23 thomas got_privsep_send_tree(struct imsgbuf *ibuf,
1466 63915ee5 2022-06-23 thomas struct got_parsed_tree_entry *entries, int nentries)
1467 63915ee5 2022-06-23 thomas {
1468 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
1469 63915ee5 2022-06-23 thomas struct got_imsg_tree_object itree;
1470 63915ee5 2022-06-23 thomas
1471 c26ee7ad 2022-06-23 thomas memset(&itree, 0, sizeof(itree));
1472 63915ee5 2022-06-23 thomas itree.nentries = nentries;
1473 63915ee5 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_TREE, 0, 0, -1, &itree, sizeof(itree))
1474 63915ee5 2022-06-23 thomas == -1)
1475 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_compose TREE");
1476 63915ee5 2022-06-23 thomas
1477 63915ee5 2022-06-23 thomas err = send_tree_entries(ibuf, entries, nentries);
1478 63915ee5 2022-06-23 thomas if (err)
1479 63915ee5 2022-06-23 thomas return err;
1480 63915ee5 2022-06-23 thomas
1481 b00c9821 2018-11-04 stsp return flush_imsg(ibuf);
1482 63915ee5 2022-06-23 thomas }
1483 63915ee5 2022-06-23 thomas
1484 63915ee5 2022-06-23 thomas
1485 63915ee5 2022-06-23 thomas static const struct got_error *
1486 63915ee5 2022-06-23 thomas recv_tree_entries(void *data, size_t datalen, struct got_tree_object *tree,
1487 63915ee5 2022-06-23 thomas int *nentries)
1488 63915ee5 2022-06-23 thomas {
1489 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
1490 63915ee5 2022-06-23 thomas struct got_imsg_tree_entries *ientries;
1491 63915ee5 2022-06-23 thomas struct got_tree_entry *te;
1492 63915ee5 2022-06-23 thomas size_t te_offset;
1493 63915ee5 2022-06-23 thomas size_t i;
1494 63915ee5 2022-06-23 thomas
1495 63915ee5 2022-06-23 thomas if (datalen <= sizeof(*ientries) ||
1496 63915ee5 2022-06-23 thomas datalen > MAX_IMSGSIZE - IMSG_HEADER_SIZE)
1497 63915ee5 2022-06-23 thomas return got_error(GOT_ERR_PRIVSEP_LEN);
1498 63915ee5 2022-06-23 thomas
1499 63915ee5 2022-06-23 thomas ientries = (struct got_imsg_tree_entries *)data;
1500 63915ee5 2022-06-23 thomas if (ientries->nentries > INT_MAX) {
1501 63915ee5 2022-06-23 thomas return got_error_msg(GOT_ERR_NO_SPACE,
1502 63915ee5 2022-06-23 thomas "too many tree entries");
1503 63915ee5 2022-06-23 thomas }
1504 63915ee5 2022-06-23 thomas
1505 63915ee5 2022-06-23 thomas te_offset = sizeof(*ientries);
1506 63915ee5 2022-06-23 thomas for (i = 0; i < ientries->nentries; i++) {
1507 63915ee5 2022-06-23 thomas struct got_imsg_tree_entry ite;
1508 63915ee5 2022-06-23 thomas const char *te_name;
1509 63915ee5 2022-06-23 thomas uint8_t *buf = (uint8_t *)data + te_offset;
1510 63915ee5 2022-06-23 thomas
1511 63915ee5 2022-06-23 thomas if (te_offset >= datalen) {
1512 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1513 63915ee5 2022-06-23 thomas break;
1514 63915ee5 2022-06-23 thomas }
1515 63915ee5 2022-06-23 thomas
1516 63915ee5 2022-06-23 thomas /* Might not be aligned, size is ~32 bytes. */
1517 63915ee5 2022-06-23 thomas memcpy(&ite, buf, sizeof(ite));
1518 63915ee5 2022-06-23 thomas
1519 63915ee5 2022-06-23 thomas if (ite.namelen >= sizeof(te->name)) {
1520 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1521 63915ee5 2022-06-23 thomas break;
1522 63915ee5 2022-06-23 thomas }
1523 63915ee5 2022-06-23 thomas if (te_offset + sizeof(ite) + ite.namelen > datalen) {
1524 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1525 63915ee5 2022-06-23 thomas break;
1526 63915ee5 2022-06-23 thomas }
1527 63915ee5 2022-06-23 thomas
1528 63915ee5 2022-06-23 thomas if (*nentries >= tree->nentries) {
1529 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1530 63915ee5 2022-06-23 thomas break;
1531 63915ee5 2022-06-23 thomas }
1532 63915ee5 2022-06-23 thomas te = &tree->entries[*nentries];
1533 63915ee5 2022-06-23 thomas te_name = buf + sizeof(ite);
1534 63915ee5 2022-06-23 thomas memcpy(te->name, te_name, ite.namelen);
1535 63915ee5 2022-06-23 thomas te->name[ite.namelen] = '\0';
1536 63915ee5 2022-06-23 thomas memcpy(te->id.sha1, ite.id, SHA1_DIGEST_LENGTH);
1537 63915ee5 2022-06-23 thomas te->mode = ite.mode;
1538 63915ee5 2022-06-23 thomas te->idx = *nentries;
1539 63915ee5 2022-06-23 thomas (*nentries)++;
1540 63915ee5 2022-06-23 thomas
1541 63915ee5 2022-06-23 thomas te_offset += sizeof(ite) + ite.namelen;
1542 63915ee5 2022-06-23 thomas }
1543 63915ee5 2022-06-23 thomas
1544 63915ee5 2022-06-23 thomas return err;
1545 13280750 2022-06-13 thomas }
1546 13280750 2022-06-13 thomas
1547 e033d803 2018-04-23 stsp const struct got_error *
1548 068fd2bf 2018-04-24 stsp got_privsep_recv_tree(struct got_tree_object **tree, struct imsgbuf *ibuf)
1549 e033d803 2018-04-23 stsp {
1550 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
1551 e033d803 2018-04-23 stsp const size_t min_datalen =
1552 e033d803 2018-04-23 stsp MIN(sizeof(struct got_imsg_error),
1553 e033d803 2018-04-23 stsp sizeof(struct got_imsg_tree_object));
1554 291624d8 2018-11-07 stsp struct got_imsg_tree_object *itree;
1555 e033d803 2018-04-23 stsp int nentries = 0;
1556 2178c42e 2018-04-22 stsp
1557 e033d803 2018-04-23 stsp *tree = NULL;
1558 8767bb94 2022-05-19 thomas
1559 9b5e2ebd 2022-07-07 thomas while (*tree == NULL || nentries < (*tree)->nentries) {
1560 e033d803 2018-04-23 stsp struct imsg imsg;
1561 e033d803 2018-04-23 stsp size_t datalen;
1562 e033d803 2018-04-23 stsp
1563 9b5e2ebd 2022-07-07 thomas err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1564 9b5e2ebd 2022-07-07 thomas if (err)
1565 fca1f6ad 2020-08-27 stsp break;
1566 e033d803 2018-04-23 stsp
1567 e033d803 2018-04-23 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1568 e033d803 2018-04-23 stsp
1569 e033d803 2018-04-23 stsp switch (imsg.hdr.type) {
1570 e033d803 2018-04-23 stsp case GOT_IMSG_TREE:
1571 e033d803 2018-04-23 stsp /* This message should only appear once. */
1572 e033d803 2018-04-23 stsp if (*tree != NULL) {
1573 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1574 e033d803 2018-04-23 stsp break;
1575 e033d803 2018-04-23 stsp }
1576 291624d8 2018-11-07 stsp if (datalen != sizeof(*itree)) {
1577 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1578 e033d803 2018-04-23 stsp break;
1579 e033d803 2018-04-23 stsp }
1580 291624d8 2018-11-07 stsp itree = imsg.data;
1581 ace4d4e7 2022-05-19 thomas if (itree->nentries < 0) {
1582 ace4d4e7 2022-05-19 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1583 ace4d4e7 2022-05-19 thomas break;
1584 ace4d4e7 2022-05-19 thomas }
1585 c3b78ecc 2018-11-07 stsp *tree = malloc(sizeof(**tree));
1586 e033d803 2018-04-23 stsp if (*tree == NULL) {
1587 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1588 e033d803 2018-04-23 stsp break;
1589 e033d803 2018-04-23 stsp }
1590 56e0773d 2019-11-28 stsp (*tree)->entries = calloc(itree->nentries,
1591 56e0773d 2019-11-28 stsp sizeof(struct got_tree_entry));
1592 56e0773d 2019-11-28 stsp if ((*tree)->entries == NULL) {
1593 56e0773d 2019-11-28 stsp err = got_error_from_errno("malloc");
1594 c3bacae2 2022-05-19 thomas free(*tree);
1595 c3bacae2 2022-05-19 thomas *tree = NULL;
1596 56e0773d 2019-11-28 stsp break;
1597 56e0773d 2019-11-28 stsp }
1598 56e0773d 2019-11-28 stsp (*tree)->nentries = itree->nentries;
1599 c3b78ecc 2018-11-07 stsp (*tree)->refcnt = 0;
1600 e033d803 2018-04-23 stsp break;
1601 06de99ad 2022-05-19 thomas case GOT_IMSG_TREE_ENTRIES:
1602 e033d803 2018-04-23 stsp /* This message should be preceeded by GOT_IMSG_TREE. */
1603 e033d803 2018-04-23 stsp if (*tree == NULL) {
1604 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1605 e033d803 2018-04-23 stsp break;
1606 e033d803 2018-04-23 stsp }
1607 63915ee5 2022-06-23 thomas err = recv_tree_entries(imsg.data, datalen,
1608 63915ee5 2022-06-23 thomas *tree, &nentries);
1609 e033d803 2018-04-23 stsp break;
1610 e033d803 2018-04-23 stsp default:
1611 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1612 e033d803 2018-04-23 stsp break;
1613 e033d803 2018-04-23 stsp }
1614 e033d803 2018-04-23 stsp
1615 e033d803 2018-04-23 stsp imsg_free(&imsg);
1616 d6b7d054 2020-08-27 stsp if (err)
1617 d6b7d054 2020-08-27 stsp break;
1618 e033d803 2018-04-23 stsp }
1619 9b5e2ebd 2022-07-07 thomas
1620 56e0773d 2019-11-28 stsp if (*tree && (*tree)->nentries != nentries) {
1621 1e51f5b9 2018-04-23 stsp if (err == NULL)
1622 1e51f5b9 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1623 e033d803 2018-04-23 stsp got_object_tree_close(*tree);
1624 e033d803 2018-04-23 stsp *tree = NULL;
1625 ff6b18f8 2018-04-24 stsp }
1626 ff6b18f8 2018-04-24 stsp
1627 ff6b18f8 2018-04-24 stsp return err;
1628 ff6b18f8 2018-04-24 stsp }
1629 ff6b18f8 2018-04-24 stsp
1630 ff6b18f8 2018-04-24 stsp const struct got_error *
1631 ac544f8c 2019-01-13 stsp got_privsep_send_blob(struct imsgbuf *ibuf, size_t size, size_t hdrlen,
1632 ac544f8c 2019-01-13 stsp const uint8_t *data)
1633 ff6b18f8 2018-04-24 stsp {
1634 2967a784 2018-04-24 stsp struct got_imsg_blob iblob;
1635 2967a784 2018-04-24 stsp
1636 c26ee7ad 2022-06-23 thomas memset(&iblob, 0, sizeof(iblob));
1637 2967a784 2018-04-24 stsp iblob.size = size;
1638 ebc55e2d 2018-12-24 stsp iblob.hdrlen = hdrlen;
1639 2967a784 2018-04-24 stsp
1640 ac544f8c 2019-01-13 stsp if (data) {
1641 ac544f8c 2019-01-13 stsp uint8_t *buf;
1642 ac544f8c 2019-01-13 stsp
1643 ac544f8c 2019-01-13 stsp if (size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX)
1644 ac544f8c 2019-01-13 stsp return got_error(GOT_ERR_NO_SPACE);
1645 ac544f8c 2019-01-13 stsp
1646 ac544f8c 2019-01-13 stsp buf = malloc(sizeof(iblob) + size);
1647 ac544f8c 2019-01-13 stsp if (buf == NULL)
1648 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1649 ff6b18f8 2018-04-24 stsp
1650 ac544f8c 2019-01-13 stsp memcpy(buf, &iblob, sizeof(iblob));
1651 ac544f8c 2019-01-13 stsp memcpy(buf + sizeof(iblob), data, size);
1652 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, buf,
1653 62d463ca 2020-10-20 naddy sizeof(iblob) + size) == -1) {
1654 ac544f8c 2019-01-13 stsp free(buf);
1655 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1656 ac544f8c 2019-01-13 stsp }
1657 ac544f8c 2019-01-13 stsp free(buf);
1658 ac544f8c 2019-01-13 stsp } else {
1659 ac544f8c 2019-01-13 stsp /* Data has already been written to file descriptor. */
1660 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, &iblob,
1661 ac544f8c 2019-01-13 stsp sizeof(iblob)) == -1)
1662 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1663 ac544f8c 2019-01-13 stsp }
1664 ac544f8c 2019-01-13 stsp
1665 ac544f8c 2019-01-13 stsp
1666 ff6b18f8 2018-04-24 stsp return flush_imsg(ibuf);
1667 ff6b18f8 2018-04-24 stsp }
1668 ff6b18f8 2018-04-24 stsp
1669 ff6b18f8 2018-04-24 stsp const struct got_error *
1670 ac544f8c 2019-01-13 stsp got_privsep_recv_blob(uint8_t **outbuf, size_t *size, size_t *hdrlen,
1671 ac544f8c 2019-01-13 stsp struct imsgbuf *ibuf)
1672 ff6b18f8 2018-04-24 stsp {
1673 ff6b18f8 2018-04-24 stsp const struct got_error *err = NULL;
1674 ff6b18f8 2018-04-24 stsp struct imsg imsg;
1675 291624d8 2018-11-07 stsp struct got_imsg_blob *iblob;
1676 ff6b18f8 2018-04-24 stsp size_t datalen;
1677 ff6b18f8 2018-04-24 stsp
1678 ac544f8c 2019-01-13 stsp *outbuf = NULL;
1679 ac544f8c 2019-01-13 stsp
1680 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1681 ff6b18f8 2018-04-24 stsp if (err)
1682 ff6b18f8 2018-04-24 stsp return err;
1683 ff6b18f8 2018-04-24 stsp
1684 ff6b18f8 2018-04-24 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1685 ff6b18f8 2018-04-24 stsp
1686 ff6b18f8 2018-04-24 stsp switch (imsg.hdr.type) {
1687 ff6b18f8 2018-04-24 stsp case GOT_IMSG_BLOB:
1688 ac544f8c 2019-01-13 stsp if (datalen < sizeof(*iblob)) {
1689 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1690 18336eed 2018-11-04 stsp break;
1691 18336eed 2018-11-04 stsp }
1692 291624d8 2018-11-07 stsp iblob = imsg.data;
1693 291624d8 2018-11-07 stsp *size = iblob->size;
1694 ebc55e2d 2018-12-24 stsp *hdrlen = iblob->hdrlen;
1695 ac544f8c 2019-01-13 stsp
1696 ac544f8c 2019-01-13 stsp if (datalen == sizeof(*iblob)) {
1697 ac544f8c 2019-01-13 stsp /* Data has been written to file descriptor. */
1698 ac544f8c 2019-01-13 stsp break;
1699 ac544f8c 2019-01-13 stsp }
1700 ac544f8c 2019-01-13 stsp
1701 31d32634 2022-06-23 thomas if (*size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX ||
1702 31d32634 2022-06-23 thomas *size > datalen + sizeof(*iblob)) {
1703 ac544f8c 2019-01-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1704 ac544f8c 2019-01-13 stsp break;
1705 ac544f8c 2019-01-13 stsp }
1706 ac544f8c 2019-01-13 stsp
1707 ac544f8c 2019-01-13 stsp *outbuf = malloc(*size);
1708 ac544f8c 2019-01-13 stsp if (*outbuf == NULL) {
1709 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1710 ac544f8c 2019-01-13 stsp break;
1711 ac544f8c 2019-01-13 stsp }
1712 ac544f8c 2019-01-13 stsp memcpy(*outbuf, imsg.data + sizeof(*iblob), *size);
1713 f4a881ce 2018-11-17 stsp break;
1714 f4a881ce 2018-11-17 stsp default:
1715 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1716 f4a881ce 2018-11-17 stsp break;
1717 f4a881ce 2018-11-17 stsp }
1718 f4a881ce 2018-11-17 stsp
1719 f4a881ce 2018-11-17 stsp imsg_free(&imsg);
1720 f4a881ce 2018-11-17 stsp
1721 f4a881ce 2018-11-17 stsp return err;
1722 f4a881ce 2018-11-17 stsp }
1723 f4a881ce 2018-11-17 stsp
1724 f4a881ce 2018-11-17 stsp static const struct got_error *
1725 f4a881ce 2018-11-17 stsp send_tagmsg(struct imsgbuf *ibuf, struct got_tag_object *tag, size_t tagmsg_len)
1726 f4a881ce 2018-11-17 stsp {
1727 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1728 f4a881ce 2018-11-17 stsp size_t offset, remain;
1729 f4a881ce 2018-11-17 stsp
1730 f4a881ce 2018-11-17 stsp offset = 0;
1731 f4a881ce 2018-11-17 stsp remain = tagmsg_len;
1732 f4a881ce 2018-11-17 stsp while (remain > 0) {
1733 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1734 f4a881ce 2018-11-17 stsp
1735 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_TAGMSG, 0, 0, -1,
1736 f4a881ce 2018-11-17 stsp tag->tagmsg + offset, n) == -1) {
1737 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG_TAGMSG");
1738 f4a881ce 2018-11-17 stsp break;
1739 f4a881ce 2018-11-17 stsp }
1740 f4a881ce 2018-11-17 stsp
1741 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1742 f4a881ce 2018-11-17 stsp if (err)
1743 f4a881ce 2018-11-17 stsp break;
1744 f4a881ce 2018-11-17 stsp
1745 f4a881ce 2018-11-17 stsp offset += n;
1746 f4a881ce 2018-11-17 stsp remain -= n;
1747 f4a881ce 2018-11-17 stsp }
1748 f4a881ce 2018-11-17 stsp
1749 f4a881ce 2018-11-17 stsp return err;
1750 f4a881ce 2018-11-17 stsp }
1751 f4a881ce 2018-11-17 stsp
1752 f4a881ce 2018-11-17 stsp const struct got_error *
1753 f4a881ce 2018-11-17 stsp got_privsep_send_tag(struct imsgbuf *ibuf, struct got_tag_object *tag)
1754 f4a881ce 2018-11-17 stsp {
1755 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1756 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1757 f4a881ce 2018-11-17 stsp uint8_t *buf;
1758 f4a881ce 2018-11-17 stsp size_t len, total;
1759 f4a881ce 2018-11-17 stsp size_t tag_len = strlen(tag->tag);
1760 f4a881ce 2018-11-17 stsp size_t tagger_len = strlen(tag->tagger);
1761 f4a881ce 2018-11-17 stsp size_t tagmsg_len = strlen(tag->tagmsg);
1762 f4a881ce 2018-11-17 stsp
1763 f4a881ce 2018-11-17 stsp total = sizeof(*itag) + tag_len + tagger_len + tagmsg_len;
1764 f4a881ce 2018-11-17 stsp
1765 f4a881ce 2018-11-17 stsp buf = malloc(total);
1766 f4a881ce 2018-11-17 stsp if (buf == NULL)
1767 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1768 f4a881ce 2018-11-17 stsp
1769 f4a881ce 2018-11-17 stsp itag = (struct got_imsg_tag_object *)buf;
1770 f4a881ce 2018-11-17 stsp memcpy(itag->id, tag->id.sha1, sizeof(itag->id));
1771 f4a881ce 2018-11-17 stsp itag->obj_type = tag->obj_type;
1772 f4a881ce 2018-11-17 stsp itag->tag_len = tag_len;
1773 f4a881ce 2018-11-17 stsp itag->tagger_len = tagger_len;
1774 f4a881ce 2018-11-17 stsp itag->tagger_time = tag->tagger_time;
1775 f4a881ce 2018-11-17 stsp itag->tagger_gmtoff = tag->tagger_gmtoff;
1776 f4a881ce 2018-11-17 stsp itag->tagmsg_len = tagmsg_len;
1777 f4a881ce 2018-11-17 stsp
1778 f4a881ce 2018-11-17 stsp len = sizeof(*itag);
1779 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tag, tag_len);
1780 f4a881ce 2018-11-17 stsp len += tag_len;
1781 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tagger, tagger_len);
1782 f4a881ce 2018-11-17 stsp len += tagger_len;
1783 f4a881ce 2018-11-17 stsp
1784 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG, 0, 0, -1, buf, len) == -1) {
1785 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG");
1786 f4a881ce 2018-11-17 stsp goto done;
1787 f4a881ce 2018-11-17 stsp }
1788 f4a881ce 2018-11-17 stsp
1789 f4a881ce 2018-11-17 stsp if (tagmsg_len == 0 ||
1790 f4a881ce 2018-11-17 stsp tagmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1791 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1792 f4a881ce 2018-11-17 stsp if (err)
1793 f4a881ce 2018-11-17 stsp goto done;
1794 f4a881ce 2018-11-17 stsp }
1795 f4a881ce 2018-11-17 stsp err = send_tagmsg(ibuf, tag, tagmsg_len);
1796 f4a881ce 2018-11-17 stsp done:
1797 f4a881ce 2018-11-17 stsp free(buf);
1798 f4a881ce 2018-11-17 stsp return err;
1799 f4a881ce 2018-11-17 stsp }
1800 f4a881ce 2018-11-17 stsp
1801 f4a881ce 2018-11-17 stsp const struct got_error *
1802 f4a881ce 2018-11-17 stsp got_privsep_recv_tag(struct got_tag_object **tag, struct imsgbuf *ibuf)
1803 f4a881ce 2018-11-17 stsp {
1804 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1805 f4a881ce 2018-11-17 stsp struct imsg imsg;
1806 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1807 f4a881ce 2018-11-17 stsp size_t len, datalen;
1808 f4a881ce 2018-11-17 stsp const size_t min_datalen =
1809 f4a881ce 2018-11-17 stsp MIN(sizeof(struct got_imsg_error),
1810 f4a881ce 2018-11-17 stsp sizeof(struct got_imsg_tag_object));
1811 f4a881ce 2018-11-17 stsp
1812 f4a881ce 2018-11-17 stsp *tag = NULL;
1813 f4a881ce 2018-11-17 stsp
1814 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1815 f4a881ce 2018-11-17 stsp if (err)
1816 f4a881ce 2018-11-17 stsp return err;
1817 f4a881ce 2018-11-17 stsp
1818 f4a881ce 2018-11-17 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1819 f4a881ce 2018-11-17 stsp len = 0;
1820 f4a881ce 2018-11-17 stsp
1821 f4a881ce 2018-11-17 stsp switch (imsg.hdr.type) {
1822 f4a881ce 2018-11-17 stsp case GOT_IMSG_TAG:
1823 f4a881ce 2018-11-17 stsp if (datalen < sizeof(*itag)) {
1824 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1825 f4a881ce 2018-11-17 stsp break;
1826 f4a881ce 2018-11-17 stsp }
1827 f4a881ce 2018-11-17 stsp itag = imsg.data;
1828 f4a881ce 2018-11-17 stsp if (datalen != sizeof(*itag) + itag->tag_len +
1829 f4a881ce 2018-11-17 stsp itag->tagger_len) {
1830 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1831 f4a881ce 2018-11-17 stsp break;
1832 f4a881ce 2018-11-17 stsp }
1833 f4a881ce 2018-11-17 stsp len += sizeof(*itag);
1834 f4a881ce 2018-11-17 stsp
1835 f4a881ce 2018-11-17 stsp *tag = calloc(1, sizeof(**tag));
1836 f4a881ce 2018-11-17 stsp if (*tag == NULL) {
1837 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
1838 f4a881ce 2018-11-17 stsp break;
1839 f4a881ce 2018-11-17 stsp }
1840 f4a881ce 2018-11-17 stsp
1841 f4a881ce 2018-11-17 stsp memcpy((*tag)->id.sha1, itag->id, SHA1_DIGEST_LENGTH);
1842 f4a881ce 2018-11-17 stsp
1843 79b7acf3 2022-06-23 thomas (*tag)->tag = strndup(imsg.data + len, itag->tag_len);
1844 79b7acf3 2022-06-23 thomas if ((*tag)->tag == NULL) {
1845 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1846 79b7acf3 2022-06-23 thomas break;
1847 f4a881ce 2018-11-17 stsp }
1848 f4a881ce 2018-11-17 stsp len += itag->tag_len;
1849 f4a881ce 2018-11-17 stsp
1850 f4a881ce 2018-11-17 stsp (*tag)->obj_type = itag->obj_type;
1851 f4a881ce 2018-11-17 stsp (*tag)->tagger_time = itag->tagger_time;
1852 f4a881ce 2018-11-17 stsp (*tag)->tagger_gmtoff = itag->tagger_gmtoff;
1853 f4a881ce 2018-11-17 stsp
1854 79b7acf3 2022-06-23 thomas (*tag)->tagger = strndup(imsg.data + len, itag->tagger_len);
1855 79b7acf3 2022-06-23 thomas if ((*tag)->tagger == NULL) {
1856 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1857 79b7acf3 2022-06-23 thomas break;
1858 f4a881ce 2018-11-17 stsp }
1859 f4a881ce 2018-11-17 stsp len += itag->tagger_len;
1860 f4a881ce 2018-11-17 stsp
1861 f4a881ce 2018-11-17 stsp if (itag->tagmsg_len == 0) {
1862 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = strdup("");
1863 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1864 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1865 f4a881ce 2018-11-17 stsp break;
1866 f4a881ce 2018-11-17 stsp }
1867 f4a881ce 2018-11-17 stsp } else {
1868 f4a881ce 2018-11-17 stsp size_t offset = 0, remain = itag->tagmsg_len;
1869 f4a881ce 2018-11-17 stsp
1870 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = malloc(itag->tagmsg_len + 1);
1871 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1872 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1873 f4a881ce 2018-11-17 stsp break;
1874 f4a881ce 2018-11-17 stsp }
1875 f4a881ce 2018-11-17 stsp while (remain > 0) {
1876 f4a881ce 2018-11-17 stsp struct imsg imsg_log;
1877 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1878 f4a881ce 2018-11-17 stsp remain);
1879 f4a881ce 2018-11-17 stsp
1880 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1881 f4a881ce 2018-11-17 stsp if (err)
1882 f4a881ce 2018-11-17 stsp return err;
1883 f4a881ce 2018-11-17 stsp
1884 f4a881ce 2018-11-17 stsp if (imsg_log.hdr.type != GOT_IMSG_TAG_TAGMSG)
1885 f4a881ce 2018-11-17 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
1886 f4a881ce 2018-11-17 stsp
1887 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagmsg + offset, imsg_log.data,
1888 f4a881ce 2018-11-17 stsp n);
1889 f4a881ce 2018-11-17 stsp imsg_free(&imsg_log);
1890 f4a881ce 2018-11-17 stsp offset += n;
1891 f4a881ce 2018-11-17 stsp remain -= n;
1892 f4a881ce 2018-11-17 stsp }
1893 f4a881ce 2018-11-17 stsp (*tag)->tagmsg[itag->tagmsg_len] = '\0';
1894 f4a881ce 2018-11-17 stsp }
1895 f4a881ce 2018-11-17 stsp
1896 ff6b18f8 2018-04-24 stsp break;
1897 ff6b18f8 2018-04-24 stsp default:
1898 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1899 ff6b18f8 2018-04-24 stsp break;
1900 e033d803 2018-04-23 stsp }
1901 e033d803 2018-04-23 stsp
1902 ff6b18f8 2018-04-24 stsp imsg_free(&imsg);
1903 ff6b18f8 2018-04-24 stsp
1904 2178c42e 2018-04-22 stsp return err;
1905 2178c42e 2018-04-22 stsp }
1906 876c234b 2018-09-10 stsp
1907 876c234b 2018-09-10 stsp const struct got_error *
1908 876c234b 2018-09-10 stsp got_privsep_init_pack_child(struct imsgbuf *ibuf, struct got_pack *pack,
1909 876c234b 2018-09-10 stsp struct got_packidx *packidx)
1910 876c234b 2018-09-10 stsp {
1911 41496140 2019-02-21 stsp const struct got_error *err = NULL;
1912 876c234b 2018-09-10 stsp struct got_imsg_packidx ipackidx;
1913 876c234b 2018-09-10 stsp struct got_imsg_pack ipack;
1914 876c234b 2018-09-10 stsp int fd;
1915 876c234b 2018-09-10 stsp
1916 c26ee7ad 2022-06-23 thomas memset(&ipackidx, 0, sizeof(ipackidx));
1917 c26ee7ad 2022-06-23 thomas memset(&ipack, 0, sizeof(ipack));
1918 c26ee7ad 2022-06-23 thomas
1919 876c234b 2018-09-10 stsp ipackidx.len = packidx->len;
1920 c3564dfa 2021-07-15 stsp ipackidx.packfile_size = pack->filesize;
1921 876c234b 2018-09-10 stsp fd = dup(packidx->fd);
1922 876c234b 2018-09-10 stsp if (fd == -1)
1923 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1924 876c234b 2018-09-10 stsp
1925 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKIDX, 0, 0, fd, &ipackidx,
1926 41496140 2019-02-21 stsp sizeof(ipackidx)) == -1) {
1927 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACKIDX");
1928 41496140 2019-02-21 stsp close(fd);
1929 41496140 2019-02-21 stsp return err;
1930 41496140 2019-02-21 stsp }
1931 876c234b 2018-09-10 stsp
1932 876c234b 2018-09-10 stsp if (strlcpy(ipack.path_packfile, pack->path_packfile,
1933 876c234b 2018-09-10 stsp sizeof(ipack.path_packfile)) >= sizeof(ipack.path_packfile))
1934 876c234b 2018-09-10 stsp return got_error(GOT_ERR_NO_SPACE);
1935 876c234b 2018-09-10 stsp ipack.filesize = pack->filesize;
1936 876c234b 2018-09-10 stsp
1937 876c234b 2018-09-10 stsp fd = dup(pack->fd);
1938 876c234b 2018-09-10 stsp if (fd == -1)
1939 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1940 876c234b 2018-09-10 stsp
1941 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACK, 0, 0, fd, &ipack, sizeof(ipack))
1942 41496140 2019-02-21 stsp == -1) {
1943 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACK");
1944 41496140 2019-02-21 stsp close(fd);
1945 41496140 2019-02-21 stsp return err;
1946 41496140 2019-02-21 stsp }
1947 876c234b 2018-09-10 stsp
1948 876c234b 2018-09-10 stsp return flush_imsg(ibuf);
1949 876c234b 2018-09-10 stsp }
1950 876c234b 2018-09-10 stsp
1951 876c234b 2018-09-10 stsp const struct got_error *
1952 106807b4 2018-09-15 stsp got_privsep_send_packed_obj_req(struct imsgbuf *ibuf, int idx,
1953 106807b4 2018-09-15 stsp struct got_object_id *id)
1954 876c234b 2018-09-10 stsp {
1955 876c234b 2018-09-10 stsp struct got_imsg_packed_object iobj;
1956 876c234b 2018-09-10 stsp
1957 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
1958 876c234b 2018-09-10 stsp iobj.idx = idx;
1959 b6f67730 2023-02-03 thomas memcpy(&iobj.id, id, sizeof(iobj.id));
1960 876c234b 2018-09-10 stsp
1961 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_OBJECT_REQUEST, 0, 0, -1,
1962 876c234b 2018-09-10 stsp &iobj, sizeof(iobj)) == -1)
1963 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose "
1964 230a42bd 2019-05-11 jcs "PACKED_OBJECT_REQUEST");
1965 aba9c984 2019-09-08 stsp
1966 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1967 aba9c984 2019-09-08 stsp }
1968 aba9c984 2019-09-08 stsp
1969 aba9c984 2019-09-08 stsp const struct got_error *
1970 59d1e4a0 2021-03-10 stsp got_privsep_send_packed_raw_obj_req(struct imsgbuf *ibuf, int idx,
1971 59d1e4a0 2021-03-10 stsp struct got_object_id *id)
1972 59d1e4a0 2021-03-10 stsp {
1973 59d1e4a0 2021-03-10 stsp struct got_imsg_packed_object iobj;
1974 59d1e4a0 2021-03-10 stsp
1975 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
1976 59d1e4a0 2021-03-10 stsp iobj.idx = idx;
1977 b6f67730 2023-02-03 thomas memcpy(&iobj.id, id, sizeof(iobj.id));
1978 59d1e4a0 2021-03-10 stsp
1979 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_RAW_OBJECT_REQUEST, 0, 0, -1,
1980 59d1e4a0 2021-03-10 stsp &iobj, sizeof(iobj)) == -1)
1981 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose "
1982 59d1e4a0 2021-03-10 stsp "PACKED_OBJECT_REQUEST");
1983 59d1e4a0 2021-03-10 stsp
1984 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
1985 59d1e4a0 2021-03-10 stsp }
1986 59d1e4a0 2021-03-10 stsp
1987 59d1e4a0 2021-03-10 stsp const struct got_error *
1988 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_parse_req(struct imsgbuf *ibuf, int fd)
1989 aba9c984 2019-09-08 stsp {
1990 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
1991 aba9c984 2019-09-08 stsp
1992 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_PARSE_REQUEST, 0, 0, fd,
1993 aba9c984 2019-09-08 stsp NULL, 0) == -1) {
1994 aba9c984 2019-09-08 stsp err = got_error_from_errno("imsg_compose "
1995 aba9c984 2019-09-08 stsp "GITCONFIG_PARSE_REQUEST");
1996 aba9c984 2019-09-08 stsp close(fd);
1997 aba9c984 2019-09-08 stsp return err;
1998 aba9c984 2019-09-08 stsp }
1999 aba9c984 2019-09-08 stsp
2000 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2001 aba9c984 2019-09-08 stsp }
2002 aba9c984 2019-09-08 stsp
2003 aba9c984 2019-09-08 stsp const struct got_error *
2004 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_repository_format_version_req(struct imsgbuf *ibuf)
2005 aba9c984 2019-09-08 stsp {
2006 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2007 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST, 0, 0, -1,
2008 aba9c984 2019-09-08 stsp NULL, 0) == -1)
2009 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2010 aba9c984 2019-09-08 stsp "GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST");
2011 aba9c984 2019-09-08 stsp
2012 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2013 aba9c984 2019-09-08 stsp }
2014 aba9c984 2019-09-08 stsp
2015 aba9c984 2019-09-08 stsp const struct got_error *
2016 20b7abb3 2020-10-22 stsp got_privsep_send_gitconfig_repository_extensions_req(struct imsgbuf *ibuf)
2017 20b7abb3 2020-10-22 stsp {
2018 20b7abb3 2020-10-22 stsp if (imsg_compose(ibuf,
2019 20b7abb3 2020-10-22 stsp GOT_IMSG_GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST, 0, 0, -1,
2020 20b7abb3 2020-10-22 stsp NULL, 0) == -1)
2021 20b7abb3 2020-10-22 stsp return got_error_from_errno("imsg_compose "
2022 20b7abb3 2020-10-22 stsp "GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST");
2023 20b7abb3 2020-10-22 stsp
2024 20b7abb3 2020-10-22 stsp return flush_imsg(ibuf);
2025 20b7abb3 2020-10-22 stsp }
2026 20b7abb3 2020-10-22 stsp
2027 20b7abb3 2020-10-22 stsp
2028 20b7abb3 2020-10-22 stsp const struct got_error *
2029 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_name_req(struct imsgbuf *ibuf)
2030 aba9c984 2019-09-08 stsp {
2031 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2032 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_NAME_REQUEST, 0, 0, -1, NULL, 0) == -1)
2033 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2034 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_NAME_REQUEST");
2035 aba9c984 2019-09-08 stsp
2036 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2037 aba9c984 2019-09-08 stsp }
2038 aba9c984 2019-09-08 stsp
2039 aba9c984 2019-09-08 stsp const struct got_error *
2040 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_email_req(struct imsgbuf *ibuf)
2041 aba9c984 2019-09-08 stsp {
2042 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2043 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_EMAIL_REQUEST, 0, 0, -1, NULL, 0) == -1)
2044 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2045 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_EMAIL_REQUEST");
2046 cd95becd 2019-11-29 stsp
2047 cd95becd 2019-11-29 stsp return flush_imsg(ibuf);
2048 cd95becd 2019-11-29 stsp }
2049 cd95becd 2019-11-29 stsp
2050 cd95becd 2019-11-29 stsp const struct got_error *
2051 cd95becd 2019-11-29 stsp got_privsep_send_gitconfig_remotes_req(struct imsgbuf *ibuf)
2052 cd95becd 2019-11-29 stsp {
2053 cd95becd 2019-11-29 stsp if (imsg_compose(ibuf,
2054 cd95becd 2019-11-29 stsp GOT_IMSG_GITCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2055 cd95becd 2019-11-29 stsp return got_error_from_errno("imsg_compose "
2056 cd95becd 2019-11-29 stsp "GITCONFIG_REMOTE_REQUEST");
2057 aba9c984 2019-09-08 stsp
2058 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2059 aba9c984 2019-09-08 stsp }
2060 aba9c984 2019-09-08 stsp
2061 aba9c984 2019-09-08 stsp const struct got_error *
2062 9a1cc63f 2020-02-03 stsp got_privsep_send_gitconfig_owner_req(struct imsgbuf *ibuf)
2063 9a1cc63f 2020-02-03 stsp {
2064 9a1cc63f 2020-02-03 stsp if (imsg_compose(ibuf,
2065 9a1cc63f 2020-02-03 stsp GOT_IMSG_GITCONFIG_OWNER_REQUEST, 0, 0, -1, NULL, 0) == -1)
2066 9a1cc63f 2020-02-03 stsp return got_error_from_errno("imsg_compose "
2067 9a1cc63f 2020-02-03 stsp "GITCONFIG_OWNER_REQUEST");
2068 9a1cc63f 2020-02-03 stsp
2069 9a1cc63f 2020-02-03 stsp return flush_imsg(ibuf);
2070 9a1cc63f 2020-02-03 stsp }
2071 9a1cc63f 2020-02-03 stsp
2072 9a1cc63f 2020-02-03 stsp const struct got_error *
2073 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_str(char **str, struct imsgbuf *ibuf)
2074 aba9c984 2019-09-08 stsp {
2075 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2076 aba9c984 2019-09-08 stsp struct imsg imsg;
2077 aba9c984 2019-09-08 stsp size_t datalen;
2078 aba9c984 2019-09-08 stsp
2079 aba9c984 2019-09-08 stsp *str = NULL;
2080 aba9c984 2019-09-08 stsp
2081 12a8238e 2022-06-23 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2082 aba9c984 2019-09-08 stsp if (err)
2083 aba9c984 2019-09-08 stsp return err;
2084 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2085 aba9c984 2019-09-08 stsp
2086 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2087 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_STR_VAL:
2088 aba9c984 2019-09-08 stsp if (datalen == 0)
2089 aba9c984 2019-09-08 stsp break;
2090 fcbb06bf 2023-01-14 thomas *str = strndup(imsg.data, datalen);
2091 aba9c984 2019-09-08 stsp if (*str == NULL) {
2092 fcbb06bf 2023-01-14 thomas err = got_error_from_errno("strndup");
2093 aba9c984 2019-09-08 stsp break;
2094 aba9c984 2019-09-08 stsp }
2095 aba9c984 2019-09-08 stsp break;
2096 aba9c984 2019-09-08 stsp default:
2097 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2098 aba9c984 2019-09-08 stsp break;
2099 b091c2cd 2023-02-07 thomas }
2100 b091c2cd 2023-02-07 thomas
2101 b091c2cd 2023-02-07 thomas imsg_free(&imsg);
2102 b091c2cd 2023-02-07 thomas return err;
2103 b091c2cd 2023-02-07 thomas }
2104 b091c2cd 2023-02-07 thomas
2105 b091c2cd 2023-02-07 thomas const struct got_error *
2106 b091c2cd 2023-02-07 thomas got_privsep_recv_gitconfig_pair(char **key, char **val, struct imsgbuf *ibuf)
2107 b091c2cd 2023-02-07 thomas {
2108 b091c2cd 2023-02-07 thomas const struct got_error *err = NULL;
2109 b091c2cd 2023-02-07 thomas struct got_imsg_gitconfig_pair p;
2110 b091c2cd 2023-02-07 thomas struct imsg imsg;
2111 b091c2cd 2023-02-07 thomas size_t datalen;
2112 b091c2cd 2023-02-07 thomas uint8_t *data;
2113 b091c2cd 2023-02-07 thomas
2114 b091c2cd 2023-02-07 thomas *key = *val = NULL;
2115 b091c2cd 2023-02-07 thomas
2116 b091c2cd 2023-02-07 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2117 b091c2cd 2023-02-07 thomas if (err)
2118 b091c2cd 2023-02-07 thomas return err;
2119 b091c2cd 2023-02-07 thomas
2120 b091c2cd 2023-02-07 thomas data = imsg.data;
2121 b091c2cd 2023-02-07 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2122 b091c2cd 2023-02-07 thomas
2123 b091c2cd 2023-02-07 thomas if (imsg.hdr.type != GOT_IMSG_GITCONFIG_PAIR) {
2124 b091c2cd 2023-02-07 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2125 b091c2cd 2023-02-07 thomas goto done;
2126 b091c2cd 2023-02-07 thomas }
2127 b091c2cd 2023-02-07 thomas
2128 b091c2cd 2023-02-07 thomas if (datalen < sizeof(p)) {
2129 b091c2cd 2023-02-07 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2130 b091c2cd 2023-02-07 thomas goto done;
2131 b091c2cd 2023-02-07 thomas }
2132 b091c2cd 2023-02-07 thomas
2133 b091c2cd 2023-02-07 thomas memcpy(&p, data, sizeof(p));
2134 b091c2cd 2023-02-07 thomas data += sizeof(p);
2135 b091c2cd 2023-02-07 thomas
2136 b091c2cd 2023-02-07 thomas if (datalen != sizeof(p) + p.klen + p.vlen) {
2137 b091c2cd 2023-02-07 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2138 b091c2cd 2023-02-07 thomas goto done;
2139 b091c2cd 2023-02-07 thomas }
2140 b091c2cd 2023-02-07 thomas
2141 b091c2cd 2023-02-07 thomas *key = strndup(data, p.klen);
2142 b091c2cd 2023-02-07 thomas if (*key == NULL) {
2143 b091c2cd 2023-02-07 thomas err = got_error_from_errno("strndup");
2144 b091c2cd 2023-02-07 thomas goto done;
2145 b091c2cd 2023-02-07 thomas }
2146 b091c2cd 2023-02-07 thomas data += p.klen;
2147 b091c2cd 2023-02-07 thomas
2148 b091c2cd 2023-02-07 thomas *val = strndup(data, p.vlen);
2149 b091c2cd 2023-02-07 thomas if (*val == NULL) {
2150 b091c2cd 2023-02-07 thomas err = got_error_from_errno("strndup");
2151 b091c2cd 2023-02-07 thomas goto done;
2152 aba9c984 2019-09-08 stsp }
2153 876c234b 2018-09-10 stsp
2154 b091c2cd 2023-02-07 thomas done:
2155 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2156 aba9c984 2019-09-08 stsp return err;
2157 aba9c984 2019-09-08 stsp }
2158 aba9c984 2019-09-08 stsp
2159 aba9c984 2019-09-08 stsp const struct got_error *
2160 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_int(int *val, struct imsgbuf *ibuf)
2161 aba9c984 2019-09-08 stsp {
2162 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2163 aba9c984 2019-09-08 stsp struct imsg imsg;
2164 aba9c984 2019-09-08 stsp size_t datalen;
2165 aba9c984 2019-09-08 stsp const size_t min_datalen =
2166 aba9c984 2019-09-08 stsp MIN(sizeof(struct got_imsg_error), sizeof(int));
2167 aba9c984 2019-09-08 stsp
2168 aba9c984 2019-09-08 stsp *val = 0;
2169 aba9c984 2019-09-08 stsp
2170 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2171 aba9c984 2019-09-08 stsp if (err)
2172 aba9c984 2019-09-08 stsp return err;
2173 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2174 aba9c984 2019-09-08 stsp
2175 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2176 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_INT_VAL:
2177 aba9c984 2019-09-08 stsp if (datalen != sizeof(*val)) {
2178 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2179 aba9c984 2019-09-08 stsp break;
2180 aba9c984 2019-09-08 stsp }
2181 aba9c984 2019-09-08 stsp memcpy(val, imsg.data, sizeof(*val));
2182 cd95becd 2019-11-29 stsp break;
2183 cd95becd 2019-11-29 stsp default:
2184 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2185 cd95becd 2019-11-29 stsp break;
2186 cd95becd 2019-11-29 stsp }
2187 cd95becd 2019-11-29 stsp
2188 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2189 cd95becd 2019-11-29 stsp return err;
2190 b8adfa55 2020-09-25 stsp }
2191 b8adfa55 2020-09-25 stsp
2192 b8adfa55 2020-09-25 stsp static void
2193 b8adfa55 2020-09-25 stsp free_remote_data(struct got_remote_repo *remote)
2194 b8adfa55 2020-09-25 stsp {
2195 b8adfa55 2020-09-25 stsp int i;
2196 b8adfa55 2020-09-25 stsp
2197 b8adfa55 2020-09-25 stsp free(remote->name);
2198 6480c871 2021-08-30 stsp free(remote->fetch_url);
2199 6480c871 2021-08-30 stsp free(remote->send_url);
2200 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_branches; i++)
2201 6480c871 2021-08-30 stsp free(remote->fetch_branches[i]);
2202 6480c871 2021-08-30 stsp free(remote->fetch_branches);
2203 6480c871 2021-08-30 stsp for (i = 0; i < remote->nsend_branches; i++)
2204 6480c871 2021-08-30 stsp free(remote->send_branches[i]);
2205 6480c871 2021-08-30 stsp free(remote->send_branches);
2206 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_refs; i++)
2207 6480c871 2021-08-30 stsp free(remote->fetch_refs[i]);
2208 6480c871 2021-08-30 stsp free(remote->fetch_refs);
2209 cd95becd 2019-11-29 stsp }
2210 cd95becd 2019-11-29 stsp
2211 cd95becd 2019-11-29 stsp const struct got_error *
2212 cd95becd 2019-11-29 stsp got_privsep_recv_gitconfig_remotes(struct got_remote_repo **remotes,
2213 cd95becd 2019-11-29 stsp int *nremotes, struct imsgbuf *ibuf)
2214 cd95becd 2019-11-29 stsp {
2215 cd95becd 2019-11-29 stsp const struct got_error *err = NULL;
2216 cd95becd 2019-11-29 stsp struct imsg imsg;
2217 cd95becd 2019-11-29 stsp size_t datalen;
2218 cd95becd 2019-11-29 stsp struct got_imsg_remotes iremotes;
2219 cd95becd 2019-11-29 stsp struct got_imsg_remote iremote;
2220 cd95becd 2019-11-29 stsp
2221 cd95becd 2019-11-29 stsp *remotes = NULL;
2222 cd95becd 2019-11-29 stsp *nremotes = 0;
2223 d669b9c9 2020-02-22 stsp iremotes.nremotes = 0;
2224 cd95becd 2019-11-29 stsp
2225 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremotes));
2226 cd95becd 2019-11-29 stsp if (err)
2227 cd95becd 2019-11-29 stsp return err;
2228 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2229 cd95becd 2019-11-29 stsp
2230 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2231 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTES:
2232 cd95becd 2019-11-29 stsp if (datalen != sizeof(iremotes)) {
2233 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2234 cd95becd 2019-11-29 stsp break;
2235 cd95becd 2019-11-29 stsp }
2236 cd95becd 2019-11-29 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2237 cd95becd 2019-11-29 stsp if (iremotes.nremotes == 0) {
2238 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2239 cd95becd 2019-11-29 stsp return NULL;
2240 cd95becd 2019-11-29 stsp }
2241 aba9c984 2019-09-08 stsp break;
2242 aba9c984 2019-09-08 stsp default:
2243 54b1c5b5 2020-02-22 stsp imsg_free(&imsg);
2244 54b1c5b5 2020-02-22 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2245 aba9c984 2019-09-08 stsp }
2246 aba9c984 2019-09-08 stsp
2247 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2248 cd95becd 2019-11-29 stsp
2249 5146eb39 2020-03-20 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2250 cd95becd 2019-11-29 stsp if (*remotes == NULL)
2251 cd95becd 2019-11-29 stsp return got_error_from_errno("recallocarray");
2252 cd95becd 2019-11-29 stsp
2253 cd95becd 2019-11-29 stsp while (*nremotes < iremotes.nremotes) {
2254 cd95becd 2019-11-29 stsp struct got_remote_repo *remote;
2255 3168e5da 2020-09-10 stsp
2256 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremote));
2257 cd95becd 2019-11-29 stsp if (err)
2258 cd95becd 2019-11-29 stsp break;
2259 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2260 cd95becd 2019-11-29 stsp
2261 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2262 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTE:
2263 cd95becd 2019-11-29 stsp remote = &(*remotes)[*nremotes];
2264 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2265 cd95becd 2019-11-29 stsp if (datalen < sizeof(iremote)) {
2266 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2267 cd95becd 2019-11-29 stsp break;
2268 cd95becd 2019-11-29 stsp }
2269 cd95becd 2019-11-29 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2270 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2271 6480c871 2021-08-30 stsp iremote.fetch_url_len == 0 ||
2272 6480c871 2021-08-30 stsp iremote.send_url_len == 0 ||
2273 cd95becd 2019-11-29 stsp (sizeof(iremote) + iremote.name_len +
2274 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) > datalen) {
2275 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2276 cd95becd 2019-11-29 stsp break;
2277 cd95becd 2019-11-29 stsp }
2278 cd95becd 2019-11-29 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2279 cd95becd 2019-11-29 stsp iremote.name_len);
2280 cd95becd 2019-11-29 stsp if (remote->name == NULL) {
2281 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2282 cd95becd 2019-11-29 stsp break;
2283 cd95becd 2019-11-29 stsp }
2284 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data + sizeof(iremote) +
2285 6480c871 2021-08-30 stsp iremote.name_len, iremote.fetch_url_len);
2286 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2287 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2288 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2289 cd95becd 2019-11-29 stsp break;
2290 cd95becd 2019-11-29 stsp }
2291 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data + sizeof(iremote) +
2292 6480c871 2021-08-30 stsp iremote.name_len + iremote.fetch_url_len,
2293 6480c871 2021-08-30 stsp iremote.send_url_len);
2294 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2295 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2296 6480c871 2021-08-30 stsp free_remote_data(remote);
2297 6480c871 2021-08-30 stsp break;
2298 6480c871 2021-08-30 stsp }
2299 469dd726 2020-03-20 stsp remote->mirror_references = iremote.mirror_references;
2300 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2301 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2302 6480c871 2021-08-30 stsp remote->fetch_branches = NULL;
2303 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2304 6480c871 2021-08-30 stsp remote->send_branches = NULL;
2305 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2306 6480c871 2021-08-30 stsp remote->fetch_refs = NULL;
2307 cd95becd 2019-11-29 stsp (*nremotes)++;
2308 cd95becd 2019-11-29 stsp break;
2309 cd95becd 2019-11-29 stsp default:
2310 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2311 cd95becd 2019-11-29 stsp break;
2312 cd95becd 2019-11-29 stsp }
2313 cd95becd 2019-11-29 stsp
2314 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2315 cd95becd 2019-11-29 stsp if (err)
2316 cd95becd 2019-11-29 stsp break;
2317 cd95becd 2019-11-29 stsp }
2318 cd95becd 2019-11-29 stsp
2319 cd95becd 2019-11-29 stsp if (err) {
2320 cd95becd 2019-11-29 stsp int i;
2321 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2322 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2323 cd95becd 2019-11-29 stsp free(*remotes);
2324 cd95becd 2019-11-29 stsp *remotes = NULL;
2325 cd95becd 2019-11-29 stsp *nremotes = 0;
2326 cd95becd 2019-11-29 stsp }
2327 aba9c984 2019-09-08 stsp return err;
2328 257add31 2020-09-09 stsp }
2329 257add31 2020-09-09 stsp
2330 257add31 2020-09-09 stsp const struct got_error *
2331 257add31 2020-09-09 stsp got_privsep_send_gotconfig_parse_req(struct imsgbuf *ibuf, int fd)
2332 257add31 2020-09-09 stsp {
2333 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2334 257add31 2020-09-09 stsp
2335 257add31 2020-09-09 stsp if (imsg_compose(ibuf, GOT_IMSG_GOTCONFIG_PARSE_REQUEST, 0, 0, fd,
2336 257add31 2020-09-09 stsp NULL, 0) == -1) {
2337 257add31 2020-09-09 stsp err = got_error_from_errno("imsg_compose "
2338 257add31 2020-09-09 stsp "GOTCONFIG_PARSE_REQUEST");
2339 257add31 2020-09-09 stsp close(fd);
2340 257add31 2020-09-09 stsp return err;
2341 257add31 2020-09-09 stsp }
2342 257add31 2020-09-09 stsp
2343 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2344 257add31 2020-09-09 stsp }
2345 257add31 2020-09-09 stsp
2346 257add31 2020-09-09 stsp const struct got_error *
2347 257add31 2020-09-09 stsp got_privsep_send_gotconfig_author_req(struct imsgbuf *ibuf)
2348 257add31 2020-09-09 stsp {
2349 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2350 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_AUTHOR_REQUEST, 0, 0, -1, NULL, 0) == -1)
2351 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2352 257add31 2020-09-09 stsp "GOTCONFIG_AUTHOR_REQUEST");
2353 871bd038 2022-07-03 thomas
2354 871bd038 2022-07-03 thomas return flush_imsg(ibuf);
2355 871bd038 2022-07-03 thomas }
2356 871bd038 2022-07-03 thomas
2357 871bd038 2022-07-03 thomas const struct got_error *
2358 871bd038 2022-07-03 thomas got_privsep_send_gotconfig_allowed_signers_req(struct imsgbuf *ibuf)
2359 871bd038 2022-07-03 thomas {
2360 871bd038 2022-07-03 thomas if (imsg_compose(ibuf,
2361 871bd038 2022-07-03 thomas GOT_IMSG_GOTCONFIG_ALLOWEDSIGNERS_REQUEST, 0, 0, -1, NULL, 0) == -1)
2362 871bd038 2022-07-03 thomas return got_error_from_errno("imsg_compose "
2363 871bd038 2022-07-03 thomas "GOTCONFIG_ALLOWEDSIGNERS_REQUEST");
2364 871bd038 2022-07-03 thomas
2365 871bd038 2022-07-03 thomas return flush_imsg(ibuf);
2366 871bd038 2022-07-03 thomas }
2367 871bd038 2022-07-03 thomas
2368 871bd038 2022-07-03 thomas const struct got_error *
2369 871bd038 2022-07-03 thomas got_privsep_send_gotconfig_revoked_signers_req(struct imsgbuf *ibuf)
2370 871bd038 2022-07-03 thomas {
2371 871bd038 2022-07-03 thomas if (imsg_compose(ibuf,
2372 871bd038 2022-07-03 thomas GOT_IMSG_GOTCONFIG_REVOKEDSIGNERS_REQUEST, 0, 0, -1, NULL, 0) == -1)
2373 871bd038 2022-07-03 thomas return got_error_from_errno("imsg_compose "
2374 871bd038 2022-07-03 thomas "GOTCONFIG_REVOKEDSIGNERS_REQUEST");
2375 257add31 2020-09-09 stsp
2376 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2377 ca6e02ac 2020-01-07 stsp }
2378 ca6e02ac 2020-01-07 stsp
2379 ca6e02ac 2020-01-07 stsp const struct got_error *
2380 ff5e1f09 2022-07-06 thomas got_privsep_send_gotconfig_signer_id_req(struct imsgbuf *ibuf)
2381 ff5e1f09 2022-07-06 thomas {
2382 ff5e1f09 2022-07-06 thomas if (imsg_compose(ibuf,
2383 ff5e1f09 2022-07-06 thomas GOT_IMSG_GOTCONFIG_SIGNERID_REQUEST, 0, 0, -1, NULL, 0) == -1)
2384 ff5e1f09 2022-07-06 thomas return got_error_from_errno("imsg_compose "
2385 ff5e1f09 2022-07-06 thomas "GOTCONFIG_SIGNERID_REQUEST");
2386 ff5e1f09 2022-07-06 thomas
2387 ff5e1f09 2022-07-06 thomas return flush_imsg(ibuf);
2388 ff5e1f09 2022-07-06 thomas }
2389 ff5e1f09 2022-07-06 thomas
2390 ff5e1f09 2022-07-06 thomas const struct got_error *
2391 257add31 2020-09-09 stsp got_privsep_send_gotconfig_remotes_req(struct imsgbuf *ibuf)
2392 257add31 2020-09-09 stsp {
2393 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2394 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2395 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2396 257add31 2020-09-09 stsp "GOTCONFIG_REMOTE_REQUEST");
2397 257add31 2020-09-09 stsp
2398 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2399 257add31 2020-09-09 stsp }
2400 257add31 2020-09-09 stsp
2401 257add31 2020-09-09 stsp const struct got_error *
2402 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_str(char **str, struct imsgbuf *ibuf)
2403 257add31 2020-09-09 stsp {
2404 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2405 257add31 2020-09-09 stsp struct imsg imsg;
2406 257add31 2020-09-09 stsp size_t datalen;
2407 257add31 2020-09-09 stsp
2408 257add31 2020-09-09 stsp *str = NULL;
2409 257add31 2020-09-09 stsp
2410 12a8238e 2022-06-23 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2411 257add31 2020-09-09 stsp if (err)
2412 257add31 2020-09-09 stsp return err;
2413 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2414 257add31 2020-09-09 stsp
2415 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2416 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_STR_VAL:
2417 257add31 2020-09-09 stsp if (datalen == 0)
2418 257add31 2020-09-09 stsp break;
2419 fcbb06bf 2023-01-14 thomas *str = strndup(imsg.data, datalen);
2420 257add31 2020-09-09 stsp if (*str == NULL) {
2421 fcbb06bf 2023-01-14 thomas err = got_error_from_errno("strndup");
2422 257add31 2020-09-09 stsp break;
2423 257add31 2020-09-09 stsp }
2424 257add31 2020-09-09 stsp break;
2425 257add31 2020-09-09 stsp default:
2426 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2427 257add31 2020-09-09 stsp break;
2428 257add31 2020-09-09 stsp }
2429 257add31 2020-09-09 stsp
2430 257add31 2020-09-09 stsp imsg_free(&imsg);
2431 257add31 2020-09-09 stsp return err;
2432 257add31 2020-09-09 stsp }
2433 257add31 2020-09-09 stsp
2434 257add31 2020-09-09 stsp const struct got_error *
2435 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_remotes(struct got_remote_repo **remotes,
2436 257add31 2020-09-09 stsp int *nremotes, struct imsgbuf *ibuf)
2437 257add31 2020-09-09 stsp {
2438 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2439 257add31 2020-09-09 stsp struct imsg imsg;
2440 257add31 2020-09-09 stsp size_t datalen;
2441 257add31 2020-09-09 stsp struct got_imsg_remotes iremotes;
2442 257add31 2020-09-09 stsp struct got_imsg_remote iremote;
2443 257add31 2020-09-09 stsp const size_t min_datalen =
2444 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremotes));
2445 257add31 2020-09-09 stsp
2446 257add31 2020-09-09 stsp *remotes = NULL;
2447 257add31 2020-09-09 stsp *nremotes = 0;
2448 257add31 2020-09-09 stsp iremotes.nremotes = 0;
2449 257add31 2020-09-09 stsp
2450 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
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_REMOTES:
2457 257add31 2020-09-09 stsp if (datalen != sizeof(iremotes)) {
2458 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2459 257add31 2020-09-09 stsp break;
2460 257add31 2020-09-09 stsp }
2461 257add31 2020-09-09 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2462 31d32634 2022-06-23 thomas if (iremotes.nremotes < 0) {
2463 31d32634 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2464 31d32634 2022-06-23 thomas break;
2465 31d32634 2022-06-23 thomas }
2466 257add31 2020-09-09 stsp if (iremotes.nremotes == 0) {
2467 257add31 2020-09-09 stsp imsg_free(&imsg);
2468 257add31 2020-09-09 stsp return NULL;
2469 257add31 2020-09-09 stsp }
2470 257add31 2020-09-09 stsp break;
2471 257add31 2020-09-09 stsp default:
2472 257add31 2020-09-09 stsp imsg_free(&imsg);
2473 257add31 2020-09-09 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2474 257add31 2020-09-09 stsp }
2475 257add31 2020-09-09 stsp
2476 257add31 2020-09-09 stsp imsg_free(&imsg);
2477 257add31 2020-09-09 stsp
2478 257add31 2020-09-09 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2479 257add31 2020-09-09 stsp if (*remotes == NULL)
2480 257add31 2020-09-09 stsp return got_error_from_errno("recallocarray");
2481 257add31 2020-09-09 stsp
2482 257add31 2020-09-09 stsp while (*nremotes < iremotes.nremotes) {
2483 257add31 2020-09-09 stsp struct got_remote_repo *remote;
2484 257add31 2020-09-09 stsp const size_t min_datalen =
2485 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremote));
2486 b8adfa55 2020-09-25 stsp int i;
2487 257add31 2020-09-09 stsp
2488 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2489 257add31 2020-09-09 stsp if (err)
2490 257add31 2020-09-09 stsp break;
2491 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2492 257add31 2020-09-09 stsp
2493 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2494 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTE:
2495 257add31 2020-09-09 stsp remote = &(*remotes)[*nremotes];
2496 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2497 257add31 2020-09-09 stsp if (datalen < sizeof(iremote)) {
2498 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2499 257add31 2020-09-09 stsp break;
2500 257add31 2020-09-09 stsp }
2501 257add31 2020-09-09 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2502 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2503 6480c871 2021-08-30 stsp (iremote.fetch_url_len == 0 &&
2504 6480c871 2021-08-30 stsp iremote.send_url_len == 0) ||
2505 257add31 2020-09-09 stsp (sizeof(iremote) + iremote.name_len +
2506 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) >
2507 6480c871 2021-08-30 stsp datalen) {
2508 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2509 257add31 2020-09-09 stsp break;
2510 257add31 2020-09-09 stsp }
2511 257add31 2020-09-09 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2512 257add31 2020-09-09 stsp iremote.name_len);
2513 257add31 2020-09-09 stsp if (remote->name == NULL) {
2514 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2515 257add31 2020-09-09 stsp break;
2516 257add31 2020-09-09 stsp }
2517 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data +
2518 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len,
2519 6480c871 2021-08-30 stsp iremote.fetch_url_len);
2520 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2521 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2522 6480c871 2021-08-30 stsp free_remote_data(remote);
2523 6480c871 2021-08-30 stsp break;
2524 6480c871 2021-08-30 stsp }
2525 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data +
2526 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len +
2527 6480c871 2021-08-30 stsp iremote.fetch_url_len, iremote.send_url_len);
2528 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2529 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2530 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2531 257add31 2020-09-09 stsp break;
2532 257add31 2020-09-09 stsp }
2533 257add31 2020-09-09 stsp remote->mirror_references = iremote.mirror_references;
2534 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2535 6480c871 2021-08-30 stsp if (iremote.nfetch_branches > 0) {
2536 6480c871 2021-08-30 stsp remote->fetch_branches = recallocarray(NULL, 0,
2537 6480c871 2021-08-30 stsp iremote.nfetch_branches, sizeof(char *));
2538 6480c871 2021-08-30 stsp if (remote->fetch_branches == NULL) {
2539 b8adfa55 2020-09-25 stsp err = got_error_from_errno("calloc");
2540 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2541 b8adfa55 2020-09-25 stsp break;
2542 b8adfa55 2020-09-25 stsp }
2543 b8adfa55 2020-09-25 stsp }
2544 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2545 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_branches; i++) {
2546 b8adfa55 2020-09-25 stsp char *branch;
2547 b8adfa55 2020-09-25 stsp err = got_privsep_recv_gotconfig_str(&branch,
2548 b8adfa55 2020-09-25 stsp ibuf);
2549 b8adfa55 2020-09-25 stsp if (err) {
2550 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2551 b8adfa55 2020-09-25 stsp goto done;
2552 b8adfa55 2020-09-25 stsp }
2553 6480c871 2021-08-30 stsp remote->fetch_branches[i] = branch;
2554 6480c871 2021-08-30 stsp remote->nfetch_branches++;
2555 99495ddb 2021-01-10 stsp }
2556 6480c871 2021-08-30 stsp if (iremote.nsend_branches > 0) {
2557 6480c871 2021-08-30 stsp remote->send_branches = recallocarray(NULL, 0,
2558 6480c871 2021-08-30 stsp iremote.nsend_branches, sizeof(char *));
2559 6480c871 2021-08-30 stsp if (remote->send_branches == NULL) {
2560 99495ddb 2021-01-10 stsp err = got_error_from_errno("calloc");
2561 99495ddb 2021-01-10 stsp free_remote_data(remote);
2562 99495ddb 2021-01-10 stsp break;
2563 99495ddb 2021-01-10 stsp }
2564 b8adfa55 2020-09-25 stsp }
2565 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2566 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nsend_branches; i++) {
2567 6480c871 2021-08-30 stsp char *branch;
2568 6480c871 2021-08-30 stsp err = got_privsep_recv_gotconfig_str(&branch,
2569 6480c871 2021-08-30 stsp ibuf);
2570 6480c871 2021-08-30 stsp if (err) {
2571 6480c871 2021-08-30 stsp free_remote_data(remote);
2572 6480c871 2021-08-30 stsp goto done;
2573 6480c871 2021-08-30 stsp }
2574 6480c871 2021-08-30 stsp remote->send_branches[i] = branch;
2575 6480c871 2021-08-30 stsp remote->nsend_branches++;
2576 6480c871 2021-08-30 stsp }
2577 6480c871 2021-08-30 stsp if (iremote.nfetch_refs > 0) {
2578 6480c871 2021-08-30 stsp remote->fetch_refs = recallocarray(NULL, 0,
2579 6480c871 2021-08-30 stsp iremote.nfetch_refs, sizeof(char *));
2580 6480c871 2021-08-30 stsp if (remote->fetch_refs == NULL) {
2581 6480c871 2021-08-30 stsp err = got_error_from_errno("calloc");
2582 6480c871 2021-08-30 stsp free_remote_data(remote);
2583 6480c871 2021-08-30 stsp break;
2584 6480c871 2021-08-30 stsp }
2585 6480c871 2021-08-30 stsp }
2586 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2587 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_refs; i++) {
2588 99495ddb 2021-01-10 stsp char *ref;
2589 99495ddb 2021-01-10 stsp err = got_privsep_recv_gotconfig_str(&ref,
2590 99495ddb 2021-01-10 stsp ibuf);
2591 99495ddb 2021-01-10 stsp if (err) {
2592 99495ddb 2021-01-10 stsp free_remote_data(remote);
2593 99495ddb 2021-01-10 stsp goto done;
2594 99495ddb 2021-01-10 stsp }
2595 6480c871 2021-08-30 stsp remote->fetch_refs[i] = ref;
2596 6480c871 2021-08-30 stsp remote->nfetch_refs++;
2597 99495ddb 2021-01-10 stsp }
2598 257add31 2020-09-09 stsp (*nremotes)++;
2599 257add31 2020-09-09 stsp break;
2600 257add31 2020-09-09 stsp default:
2601 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2602 257add31 2020-09-09 stsp break;
2603 257add31 2020-09-09 stsp }
2604 257add31 2020-09-09 stsp
2605 257add31 2020-09-09 stsp imsg_free(&imsg);
2606 257add31 2020-09-09 stsp if (err)
2607 257add31 2020-09-09 stsp break;
2608 257add31 2020-09-09 stsp }
2609 b8adfa55 2020-09-25 stsp done:
2610 257add31 2020-09-09 stsp if (err) {
2611 257add31 2020-09-09 stsp int i;
2612 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2613 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2614 257add31 2020-09-09 stsp free(*remotes);
2615 257add31 2020-09-09 stsp *remotes = NULL;
2616 257add31 2020-09-09 stsp *nremotes = 0;
2617 257add31 2020-09-09 stsp }
2618 257add31 2020-09-09 stsp return err;
2619 257add31 2020-09-09 stsp }
2620 257add31 2020-09-09 stsp
2621 257add31 2020-09-09 stsp const struct got_error *
2622 ca6e02ac 2020-01-07 stsp got_privsep_send_commit_traversal_request(struct imsgbuf *ibuf,
2623 abc59930 2021-09-05 naddy struct got_object_id *id, int idx, const char *path)
2624 ca6e02ac 2020-01-07 stsp {
2625 ca6e02ac 2020-01-07 stsp struct ibuf *wbuf;
2626 ca6e02ac 2020-01-07 stsp size_t path_len = strlen(path) + 1;
2627 ca6e02ac 2020-01-07 stsp
2628 ca6e02ac 2020-01-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_COMMIT_TRAVERSAL_REQUEST, 0, 0,
2629 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_traversal_request) + path_len);
2630 ca6e02ac 2020-01-07 stsp if (wbuf == NULL)
2631 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
2632 ca6e02ac 2020-01-07 stsp "imsg_create COMMIT_TRAVERSAL_REQUEST");
2633 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1)
2634 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add "
2635 e9f1a409 2022-05-19 thomas "COMMIT_TRAVERSAL_REQUEST");
2636 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &idx, sizeof(idx)) == -1)
2637 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add "
2638 e9f1a409 2022-05-19 thomas "COMMIT_TRAVERSAL_REQUEST");
2639 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, path, path_len) == -1)
2640 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add "
2641 e9f1a409 2022-05-19 thomas "COMMIT_TRAVERSAL_REQUEST");
2642 ca6e02ac 2020-01-07 stsp
2643 ca6e02ac 2020-01-07 stsp wbuf->fd = -1;
2644 ca6e02ac 2020-01-07 stsp imsg_close(ibuf, wbuf);
2645 ca6e02ac 2020-01-07 stsp
2646 ca6e02ac 2020-01-07 stsp return flush_imsg(ibuf);
2647 ca6e02ac 2020-01-07 stsp }
2648 ca6e02ac 2020-01-07 stsp
2649 ca6e02ac 2020-01-07 stsp const struct got_error *
2650 ca6e02ac 2020-01-07 stsp got_privsep_recv_traversed_commits(struct got_commit_object **changed_commit,
2651 ca6e02ac 2020-01-07 stsp struct got_object_id **changed_commit_id,
2652 ca6e02ac 2020-01-07 stsp struct got_object_id_queue *commit_ids, struct imsgbuf *ibuf)
2653 ca6e02ac 2020-01-07 stsp {
2654 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
2655 ca6e02ac 2020-01-07 stsp struct imsg imsg;
2656 ca6e02ac 2020-01-07 stsp struct got_imsg_traversed_commits *icommits;
2657 ca6e02ac 2020-01-07 stsp size_t datalen;
2658 ca6e02ac 2020-01-07 stsp int i, done = 0;
2659 ca6e02ac 2020-01-07 stsp
2660 ca6e02ac 2020-01-07 stsp *changed_commit = NULL;
2661 ca6e02ac 2020-01-07 stsp *changed_commit_id = NULL;
2662 ca6e02ac 2020-01-07 stsp
2663 ca6e02ac 2020-01-07 stsp while (!done) {
2664 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2665 ca6e02ac 2020-01-07 stsp if (err)
2666 ca6e02ac 2020-01-07 stsp return err;
2667 ca6e02ac 2020-01-07 stsp
2668 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2669 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
2670 ca6e02ac 2020-01-07 stsp case GOT_IMSG_TRAVERSED_COMMITS:
2671 ca6e02ac 2020-01-07 stsp icommits = imsg.data;
2672 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommits) +
2673 ca6e02ac 2020-01-07 stsp icommits->ncommits * SHA1_DIGEST_LENGTH) {
2674 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2675 ca6e02ac 2020-01-07 stsp break;
2676 ca6e02ac 2020-01-07 stsp }
2677 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommits->ncommits; i++) {
2678 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
2679 ca6e02ac 2020-01-07 stsp uint8_t *sha1 = (uint8_t *)imsg.data +
2680 ca6e02ac 2020-01-07 stsp sizeof(*icommits) + i * SHA1_DIGEST_LENGTH;
2681 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
2682 ca6e02ac 2020-01-07 stsp if (err)
2683 ca6e02ac 2020-01-07 stsp break;
2684 ec242592 2022-04-22 thomas memcpy(qid->id.sha1, sha1, SHA1_DIGEST_LENGTH);
2685 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(commit_ids, qid, entry);
2686 ca6e02ac 2020-01-07 stsp
2687 ca6e02ac 2020-01-07 stsp /* The last commit may contain a change. */
2688 ca6e02ac 2020-01-07 stsp if (i == icommits->ncommits - 1) {
2689 ca6e02ac 2020-01-07 stsp *changed_commit_id =
2690 ec242592 2022-04-22 thomas got_object_id_dup(&qid->id);
2691 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2692 ca6e02ac 2020-01-07 stsp err = got_error_from_errno(
2693 ca6e02ac 2020-01-07 stsp "got_object_id_dup");
2694 ca6e02ac 2020-01-07 stsp break;
2695 ca6e02ac 2020-01-07 stsp }
2696 ca6e02ac 2020-01-07 stsp }
2697 ca6e02ac 2020-01-07 stsp }
2698 ca6e02ac 2020-01-07 stsp break;
2699 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
2700 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2701 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2702 ca6e02ac 2020-01-07 stsp break;
2703 ca6e02ac 2020-01-07 stsp }
2704 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(changed_commit, &imsg,
2705 ca6e02ac 2020-01-07 stsp datalen, ibuf);
2706 ca6e02ac 2020-01-07 stsp break;
2707 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT_TRAVERSAL_DONE:
2708 ca6e02ac 2020-01-07 stsp done = 1;
2709 ca6e02ac 2020-01-07 stsp break;
2710 ca6e02ac 2020-01-07 stsp default:
2711 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2712 ca6e02ac 2020-01-07 stsp break;
2713 ca6e02ac 2020-01-07 stsp }
2714 ca6e02ac 2020-01-07 stsp
2715 ca6e02ac 2020-01-07 stsp imsg_free(&imsg);
2716 ca6e02ac 2020-01-07 stsp if (err)
2717 ca6e02ac 2020-01-07 stsp break;
2718 ca6e02ac 2020-01-07 stsp }
2719 ca6e02ac 2020-01-07 stsp
2720 ca6e02ac 2020-01-07 stsp if (err)
2721 ca6e02ac 2020-01-07 stsp got_object_id_queue_free(commit_ids);
2722 ca6e02ac 2020-01-07 stsp return err;
2723 63915ee5 2022-06-23 thomas }
2724 63915ee5 2022-06-23 thomas
2725 63915ee5 2022-06-23 thomas const struct got_error *
2726 63915ee5 2022-06-23 thomas got_privsep_send_enumerated_tree(size_t *totlen, struct imsgbuf *ibuf,
2727 63915ee5 2022-06-23 thomas struct got_object_id *tree_id, const char *path,
2728 63915ee5 2022-06-23 thomas struct got_parsed_tree_entry *entries, int nentries)
2729 63915ee5 2022-06-23 thomas {
2730 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
2731 63915ee5 2022-06-23 thomas struct ibuf *wbuf;
2732 63915ee5 2022-06-23 thomas size_t path_len = strlen(path);
2733 63915ee5 2022-06-23 thomas size_t msglen;
2734 63915ee5 2022-06-23 thomas
2735 63915ee5 2022-06-23 thomas msglen = sizeof(struct got_imsg_enumerated_tree) + path_len;
2736 63915ee5 2022-06-23 thomas wbuf = imsg_create(ibuf, GOT_IMSG_ENUMERATED_TREE, 0, 0, msglen);
2737 63915ee5 2022-06-23 thomas if (wbuf == NULL)
2738 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_create ENUMERATED_TREE");
2739 63915ee5 2022-06-23 thomas
2740 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, tree_id->sha1, SHA1_DIGEST_LENGTH) == -1)
2741 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_TREE");
2742 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, &nentries, sizeof(nentries)) == -1)
2743 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_TREE");
2744 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, path, path_len) == -1)
2745 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_TREE");
2746 63915ee5 2022-06-23 thomas
2747 63915ee5 2022-06-23 thomas wbuf->fd = -1;
2748 63915ee5 2022-06-23 thomas imsg_close(ibuf, wbuf);
2749 63915ee5 2022-06-23 thomas
2750 63915ee5 2022-06-23 thomas if (entries) {
2751 63915ee5 2022-06-23 thomas err = send_tree_entries(ibuf, entries, nentries);
2752 63915ee5 2022-06-23 thomas if (err)
2753 63915ee5 2022-06-23 thomas return err;
2754 63915ee5 2022-06-23 thomas }
2755 63915ee5 2022-06-23 thomas
2756 63915ee5 2022-06-23 thomas return flush_imsg(ibuf);
2757 f9c2e8e5 2022-02-13 thomas }
2758 f9c2e8e5 2022-02-13 thomas
2759 f9c2e8e5 2022-02-13 thomas const struct got_error *
2760 63915ee5 2022-06-23 thomas got_privsep_send_object_enumeration_request(struct imsgbuf *ibuf)
2761 63915ee5 2022-06-23 thomas {
2762 63915ee5 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_REQUEST,
2763 63915ee5 2022-06-23 thomas 0, 0, -1, NULL, 0) == -1)
2764 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_compose "
2765 63915ee5 2022-06-23 thomas "OBJECT_ENUMERATION_REQUEST");
2766 63915ee5 2022-06-23 thomas
2767 63915ee5 2022-06-23 thomas return flush_imsg(ibuf);
2768 63915ee5 2022-06-23 thomas }
2769 63915ee5 2022-06-23 thomas
2770 63915ee5 2022-06-23 thomas const struct got_error *
2771 63915ee5 2022-06-23 thomas got_privsep_send_object_enumeration_done(struct imsgbuf *ibuf)
2772 63915ee5 2022-06-23 thomas {
2773 63915ee5 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_DONE,
2774 63915ee5 2022-06-23 thomas 0, 0, -1, NULL, 0) == -1)
2775 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_compose "
2776 63915ee5 2022-06-23 thomas "OBJECT_ENUMERATION_DONE");
2777 63915ee5 2022-06-23 thomas
2778 63915ee5 2022-06-23 thomas return flush_imsg(ibuf);
2779 63915ee5 2022-06-23 thomas }
2780 63915ee5 2022-06-23 thomas
2781 63915ee5 2022-06-23 thomas const struct got_error *
2782 e71f1e62 2022-06-23 thomas got_privsep_send_object_enumeration_incomplete(struct imsgbuf *ibuf)
2783 e71f1e62 2022-06-23 thomas {
2784 e71f1e62 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_INCOMPLETE,
2785 e71f1e62 2022-06-23 thomas 0, 0, -1, NULL, 0) == -1)
2786 e71f1e62 2022-06-23 thomas return got_error_from_errno("imsg_compose "
2787 e71f1e62 2022-06-23 thomas "OBJECT_ENUMERATION_INCOMPLETE");
2788 e71f1e62 2022-06-23 thomas
2789 e71f1e62 2022-06-23 thomas return flush_imsg(ibuf);
2790 e71f1e62 2022-06-23 thomas }
2791 e71f1e62 2022-06-23 thomas
2792 e71f1e62 2022-06-23 thomas const struct got_error *
2793 63915ee5 2022-06-23 thomas got_privsep_send_enumerated_commit(struct imsgbuf *ibuf,
2794 63915ee5 2022-06-23 thomas struct got_object_id *id, time_t mtime)
2795 63915ee5 2022-06-23 thomas {
2796 63915ee5 2022-06-23 thomas struct ibuf *wbuf;
2797 63915ee5 2022-06-23 thomas
2798 63915ee5 2022-06-23 thomas wbuf = imsg_create(ibuf, GOT_IMSG_ENUMERATED_COMMIT, 0, 0,
2799 63915ee5 2022-06-23 thomas sizeof(struct got_imsg_enumerated_commit) + SHA1_DIGEST_LENGTH);
2800 63915ee5 2022-06-23 thomas if (wbuf == NULL)
2801 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_create ENUMERATED_COMMIT");
2802 63915ee5 2022-06-23 thomas
2803 63915ee5 2022-06-23 thomas /* Keep in sync with struct got_imsg_enumerated_commit! */
2804 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, id, SHA1_DIGEST_LENGTH) == -1)
2805 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_COMMIT");
2806 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, &mtime, sizeof(mtime)) == -1)
2807 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_COMMIT");
2808 63915ee5 2022-06-23 thomas
2809 63915ee5 2022-06-23 thomas wbuf->fd = -1;
2810 63915ee5 2022-06-23 thomas imsg_close(ibuf, wbuf);
2811 63915ee5 2022-06-23 thomas /* Don't flush yet, tree entries or ENUMERATION_DONE will follow. */
2812 63915ee5 2022-06-23 thomas return NULL;
2813 63915ee5 2022-06-23 thomas }
2814 63915ee5 2022-06-23 thomas
2815 63915ee5 2022-06-23 thomas const struct got_error *
2816 e71f1e62 2022-06-23 thomas got_privsep_recv_enumerated_objects(int *found_all_objects,
2817 e71f1e62 2022-06-23 thomas struct imsgbuf *ibuf,
2818 63915ee5 2022-06-23 thomas got_object_enumerate_commit_cb cb_commit,
2819 63915ee5 2022-06-23 thomas got_object_enumerate_tree_cb cb_tree, void *cb_arg,
2820 63915ee5 2022-06-23 thomas struct got_repository *repo)
2821 63915ee5 2022-06-23 thomas {
2822 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
2823 63915ee5 2022-06-23 thomas struct imsg imsg;
2824 63915ee5 2022-06-23 thomas struct got_imsg_enumerated_commit *icommit = NULL;
2825 63915ee5 2022-06-23 thomas struct got_object_id commit_id;
2826 63915ee5 2022-06-23 thomas int have_commit = 0;
2827 63915ee5 2022-06-23 thomas time_t mtime = 0;
2828 63915ee5 2022-06-23 thomas struct got_tree_object tree;
2829 63915ee5 2022-06-23 thomas struct got_imsg_enumerated_tree *itree;
2830 63915ee5 2022-06-23 thomas struct got_object_id tree_id;
2831 63915ee5 2022-06-23 thomas char *path = NULL, *canon_path = NULL;
2832 63915ee5 2022-06-23 thomas size_t datalen, path_len;
2833 63915ee5 2022-06-23 thomas int nentries = -1;
2834 63915ee5 2022-06-23 thomas int done = 0;
2835 63915ee5 2022-06-23 thomas
2836 e71f1e62 2022-06-23 thomas *found_all_objects = 0;
2837 63915ee5 2022-06-23 thomas memset(&tree, 0, sizeof(tree));
2838 63915ee5 2022-06-23 thomas
2839 63915ee5 2022-06-23 thomas while (!done) {
2840 63915ee5 2022-06-23 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2841 63915ee5 2022-06-23 thomas if (err)
2842 63915ee5 2022-06-23 thomas break;
2843 63915ee5 2022-06-23 thomas
2844 63915ee5 2022-06-23 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2845 63915ee5 2022-06-23 thomas switch (imsg.hdr.type) {
2846 77402035 2022-06-23 thomas case GOT_IMSG_ENUMERATED_COMMIT:
2847 63915ee5 2022-06-23 thomas if (have_commit && nentries != -1) {
2848 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2849 63915ee5 2022-06-23 thomas break;
2850 63915ee5 2022-06-23 thomas }
2851 63915ee5 2022-06-23 thomas if (datalen != sizeof(*icommit)) {
2852 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2853 63915ee5 2022-06-23 thomas break;
2854 63915ee5 2022-06-23 thomas }
2855 63915ee5 2022-06-23 thomas icommit = (struct got_imsg_enumerated_commit *)imsg.data;
2856 63915ee5 2022-06-23 thomas memcpy(commit_id.sha1, icommit->id, SHA1_DIGEST_LENGTH);
2857 63915ee5 2022-06-23 thomas mtime = icommit->mtime;
2858 63915ee5 2022-06-23 thomas have_commit = 1;
2859 63915ee5 2022-06-23 thomas break;
2860 63915ee5 2022-06-23 thomas case GOT_IMSG_ENUMERATED_TREE:
2861 63915ee5 2022-06-23 thomas /* Should be preceeded by GOT_IMSG_ENUMERATED_COMMIT. */
2862 63915ee5 2022-06-23 thomas if (!have_commit) {
2863 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2864 63915ee5 2022-06-23 thomas break;
2865 63915ee5 2022-06-23 thomas }
2866 63915ee5 2022-06-23 thomas if (datalen < sizeof(*itree)) {
2867 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2868 63915ee5 2022-06-23 thomas break;
2869 63915ee5 2022-06-23 thomas }
2870 63915ee5 2022-06-23 thomas itree = imsg.data;
2871 63915ee5 2022-06-23 thomas path_len = datalen - sizeof(*itree);
2872 63915ee5 2022-06-23 thomas if (path_len == 0) {
2873 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2874 63915ee5 2022-06-23 thomas break;
2875 63915ee5 2022-06-23 thomas }
2876 63915ee5 2022-06-23 thomas memcpy(tree_id.sha1, itree->id, sizeof(tree_id.sha1));
2877 63915ee5 2022-06-23 thomas free(path);
2878 fcbb06bf 2023-01-14 thomas path = strndup(imsg.data + sizeof(*itree), path_len);
2879 63915ee5 2022-06-23 thomas if (path == NULL) {
2880 fcbb06bf 2023-01-14 thomas err = got_error_from_errno("strndup");
2881 63915ee5 2022-06-23 thomas break;
2882 63915ee5 2022-06-23 thomas }
2883 63915ee5 2022-06-23 thomas free(canon_path);
2884 63915ee5 2022-06-23 thomas canon_path = malloc(path_len + 1);
2885 63915ee5 2022-06-23 thomas if (canon_path == NULL) {
2886 63915ee5 2022-06-23 thomas err = got_error_from_errno("malloc");
2887 63915ee5 2022-06-23 thomas break;
2888 63915ee5 2022-06-23 thomas }
2889 63915ee5 2022-06-23 thomas if (!got_path_is_absolute(path)) {
2890 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_BAD_PATH);
2891 63915ee5 2022-06-23 thomas break;
2892 63915ee5 2022-06-23 thomas }
2893 63915ee5 2022-06-23 thomas if (got_path_is_root_dir(path)) {
2894 63915ee5 2022-06-23 thomas /* XXX check what got_canonpath() does wrong */
2895 63915ee5 2022-06-23 thomas canon_path[0] = '/';
2896 63915ee5 2022-06-23 thomas canon_path[1] = '\0';
2897 63915ee5 2022-06-23 thomas } else {
2898 63915ee5 2022-06-23 thomas err = got_canonpath(path, canon_path,
2899 63915ee5 2022-06-23 thomas path_len + 1);
2900 63915ee5 2022-06-23 thomas if (err)
2901 63915ee5 2022-06-23 thomas break;
2902 63915ee5 2022-06-23 thomas }
2903 63915ee5 2022-06-23 thomas if (strcmp(path, canon_path) != 0) {
2904 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_BAD_PATH);
2905 63915ee5 2022-06-23 thomas break;
2906 63915ee5 2022-06-23 thomas }
2907 63915ee5 2022-06-23 thomas if (nentries != -1) {
2908 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2909 63915ee5 2022-06-23 thomas break;
2910 63915ee5 2022-06-23 thomas }
2911 63915ee5 2022-06-23 thomas if (itree->nentries < -1) {
2912 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2913 63915ee5 2022-06-23 thomas break;
2914 63915ee5 2022-06-23 thomas }
2915 63915ee5 2022-06-23 thomas if (itree->nentries == -1) {
2916 63915ee5 2022-06-23 thomas /* Tree was not found in pack file. */
2917 63915ee5 2022-06-23 thomas err = cb_tree(cb_arg, NULL, mtime, &tree_id,
2918 63915ee5 2022-06-23 thomas path, repo);
2919 63915ee5 2022-06-23 thomas break;
2920 63915ee5 2022-06-23 thomas }
2921 63915ee5 2022-06-23 thomas if (itree->nentries > INT_MAX) {
2922 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2923 63915ee5 2022-06-23 thomas break;
2924 63915ee5 2022-06-23 thomas }
2925 63915ee5 2022-06-23 thomas tree.entries = calloc(itree->nentries,
2926 63915ee5 2022-06-23 thomas sizeof(struct got_tree_entry));
2927 63915ee5 2022-06-23 thomas if (tree.entries == NULL) {
2928 63915ee5 2022-06-23 thomas err = got_error_from_errno("calloc");
2929 63915ee5 2022-06-23 thomas break;
2930 63915ee5 2022-06-23 thomas }
2931 63915ee5 2022-06-23 thomas if (itree->nentries == 0) {
2932 63915ee5 2022-06-23 thomas err = cb_tree(cb_arg, &tree, mtime, &tree_id,
2933 63915ee5 2022-06-23 thomas path, repo);
2934 63915ee5 2022-06-23 thomas if (err)
2935 63915ee5 2022-06-23 thomas break;
2936 63915ee5 2022-06-23 thomas
2937 63915ee5 2022-06-23 thomas /* Prepare for next tree. */
2938 63915ee5 2022-06-23 thomas free(tree.entries);
2939 63915ee5 2022-06-23 thomas memset(&tree, 0, sizeof(tree));
2940 63915ee5 2022-06-23 thomas nentries = -1;
2941 63915ee5 2022-06-23 thomas } else {
2942 63915ee5 2022-06-23 thomas tree.nentries = itree->nentries;
2943 63915ee5 2022-06-23 thomas nentries = 0;
2944 63915ee5 2022-06-23 thomas }
2945 63915ee5 2022-06-23 thomas break;
2946 63915ee5 2022-06-23 thomas case GOT_IMSG_TREE_ENTRIES:
2947 63915ee5 2022-06-23 thomas /* Should be preceeded by GOT_IMSG_ENUMERATED_TREE. */
2948 63915ee5 2022-06-23 thomas if (nentries <= -1) {
2949 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2950 63915ee5 2022-06-23 thomas break;
2951 63915ee5 2022-06-23 thomas }
2952 63915ee5 2022-06-23 thomas err = recv_tree_entries(imsg.data, datalen,
2953 63915ee5 2022-06-23 thomas &tree, &nentries);
2954 63915ee5 2022-06-23 thomas if (err)
2955 63915ee5 2022-06-23 thomas break;
2956 63915ee5 2022-06-23 thomas if (tree.nentries == nentries) {
2957 63915ee5 2022-06-23 thomas err = cb_tree(cb_arg, &tree, mtime, &tree_id,
2958 63915ee5 2022-06-23 thomas path, repo);
2959 63915ee5 2022-06-23 thomas if (err)
2960 63915ee5 2022-06-23 thomas break;
2961 63915ee5 2022-06-23 thomas
2962 63915ee5 2022-06-23 thomas /* Prepare for next tree. */
2963 63915ee5 2022-06-23 thomas free(tree.entries);
2964 63915ee5 2022-06-23 thomas memset(&tree, 0, sizeof(tree));
2965 63915ee5 2022-06-23 thomas nentries = -1;
2966 63915ee5 2022-06-23 thomas }
2967 63915ee5 2022-06-23 thomas break;
2968 63915ee5 2022-06-23 thomas case GOT_IMSG_TREE_ENUMERATION_DONE:
2969 63915ee5 2022-06-23 thomas /* All trees have been found and traversed. */
2970 63915ee5 2022-06-23 thomas if (!have_commit || path == NULL || nentries != -1) {
2971 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2972 63915ee5 2022-06-23 thomas break;
2973 63915ee5 2022-06-23 thomas }
2974 63915ee5 2022-06-23 thomas err = cb_commit(cb_arg, mtime, &commit_id, repo);
2975 63915ee5 2022-06-23 thomas if (err)
2976 63915ee5 2022-06-23 thomas break;
2977 63915ee5 2022-06-23 thomas have_commit = 0;
2978 63915ee5 2022-06-23 thomas break;
2979 63915ee5 2022-06-23 thomas case GOT_IMSG_OBJECT_ENUMERATION_DONE:
2980 e71f1e62 2022-06-23 thomas *found_all_objects = 1;
2981 e71f1e62 2022-06-23 thomas done = 1;
2982 e71f1e62 2022-06-23 thomas break;
2983 e71f1e62 2022-06-23 thomas case GOT_IMSG_OBJECT_ENUMERATION_INCOMPLETE:
2984 63915ee5 2022-06-23 thomas done = 1;
2985 63915ee5 2022-06-23 thomas break;
2986 63915ee5 2022-06-23 thomas default:
2987 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2988 63915ee5 2022-06-23 thomas break;
2989 63915ee5 2022-06-23 thomas }
2990 63915ee5 2022-06-23 thomas
2991 63915ee5 2022-06-23 thomas imsg_free(&imsg);
2992 63915ee5 2022-06-23 thomas if (err)
2993 63915ee5 2022-06-23 thomas break;
2994 63915ee5 2022-06-23 thomas }
2995 63915ee5 2022-06-23 thomas
2996 63915ee5 2022-06-23 thomas free(path);
2997 63915ee5 2022-06-23 thomas free(canon_path);
2998 63915ee5 2022-06-23 thomas free(tree.entries);
2999 63915ee5 2022-06-23 thomas return err;
3000 63915ee5 2022-06-23 thomas }
3001 63915ee5 2022-06-23 thomas
3002 63915ee5 2022-06-23 thomas const struct got_error *
3003 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta_req(struct imsgbuf *ibuf, int idx,
3004 f9c2e8e5 2022-02-13 thomas struct got_object_id *id)
3005 f9c2e8e5 2022-02-13 thomas {
3006 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta_request dreq;
3007 f9c2e8e5 2022-02-13 thomas
3008 c26ee7ad 2022-06-23 thomas memset(&dreq, 0, sizeof(dreq));
3009 f9c2e8e5 2022-02-13 thomas dreq.idx = idx;
3010 d77295e3 2023-02-03 thomas memcpy(&dreq.id, id, sizeof(dreq.id));
3011 f9c2e8e5 2022-02-13 thomas
3012 f9c2e8e5 2022-02-13 thomas if (imsg_compose(ibuf, GOT_IMSG_RAW_DELTA_REQUEST, 0, 0, -1,
3013 f9c2e8e5 2022-02-13 thomas &dreq, sizeof(dreq)) == -1)
3014 f9c2e8e5 2022-02-13 thomas return got_error_from_errno("imsg_compose RAW_DELTA_REQUEST");
3015 f9c2e8e5 2022-02-13 thomas
3016 f9c2e8e5 2022-02-13 thomas return flush_imsg(ibuf);
3017 f9c2e8e5 2022-02-13 thomas }
3018 f9c2e8e5 2022-02-13 thomas
3019 f9c2e8e5 2022-02-13 thomas const struct got_error *
3020 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta_outfd(struct imsgbuf *ibuf, int fd)
3021 f9c2e8e5 2022-02-13 thomas {
3022 f9c2e8e5 2022-02-13 thomas return send_fd(ibuf, GOT_IMSG_RAW_DELTA_OUTFD, fd);
3023 f9c2e8e5 2022-02-13 thomas }
3024 f9c2e8e5 2022-02-13 thomas
3025 f9c2e8e5 2022-02-13 thomas const struct got_error *
3026 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta(struct imsgbuf *ibuf, uint64_t base_size,
3027 9249e7e3 2022-05-12 thomas uint64_t result_size, off_t delta_size, off_t delta_compressed_size,
3028 9249e7e3 2022-05-12 thomas off_t delta_offset, off_t delta_out_offset, struct got_object_id *base_id)
3029 f9c2e8e5 2022-02-13 thomas {
3030 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta idelta;
3031 f9c2e8e5 2022-02-13 thomas int ret;
3032 f9c2e8e5 2022-02-13 thomas
3033 c26ee7ad 2022-06-23 thomas memset(&idelta, 0, sizeof(idelta));
3034 f9c2e8e5 2022-02-13 thomas idelta.base_size = base_size;
3035 f9c2e8e5 2022-02-13 thomas idelta.result_size = result_size;
3036 f9c2e8e5 2022-02-13 thomas idelta.delta_size = delta_size;
3037 9249e7e3 2022-05-12 thomas idelta.delta_compressed_size = delta_compressed_size;
3038 f9c2e8e5 2022-02-13 thomas idelta.delta_offset = delta_offset;
3039 f9c2e8e5 2022-02-13 thomas idelta.delta_out_offset = delta_out_offset;
3040 564a8b01 2023-02-03 thomas memcpy(&idelta.base_id, &base_id, sizeof(idelta.base_id));
3041 f9c2e8e5 2022-02-13 thomas
3042 f9c2e8e5 2022-02-13 thomas ret = imsg_compose(ibuf, GOT_IMSG_RAW_DELTA, 0, 0, -1,
3043 f9c2e8e5 2022-02-13 thomas &idelta, sizeof(idelta));
3044 f9c2e8e5 2022-02-13 thomas if (ret == -1)
3045 f9c2e8e5 2022-02-13 thomas return got_error_from_errno("imsg_compose RAW_DELTA");
3046 f9c2e8e5 2022-02-13 thomas
3047 f9c2e8e5 2022-02-13 thomas return flush_imsg(ibuf);
3048 ca6e02ac 2020-01-07 stsp }
3049 ca6e02ac 2020-01-07 stsp
3050 ca6e02ac 2020-01-07 stsp const struct got_error *
3051 f9c2e8e5 2022-02-13 thomas got_privsep_recv_raw_delta(uint64_t *base_size, uint64_t *result_size,
3052 9249e7e3 2022-05-12 thomas off_t *delta_size, off_t *delta_compressed_size, off_t *delta_offset,
3053 dd57e4ab 2023-02-03 thomas off_t *delta_out_offset, struct got_object_id **base_id,
3054 dd57e4ab 2023-02-03 thomas struct imsgbuf *ibuf)
3055 f9c2e8e5 2022-02-13 thomas {
3056 f9c2e8e5 2022-02-13 thomas const struct got_error *err = NULL;
3057 f9c2e8e5 2022-02-13 thomas struct imsg imsg;
3058 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta *delta;
3059 f9c2e8e5 2022-02-13 thomas size_t datalen;
3060 f9c2e8e5 2022-02-13 thomas
3061 f9c2e8e5 2022-02-13 thomas *base_size = 0;
3062 f9c2e8e5 2022-02-13 thomas *result_size = 0;
3063 f9c2e8e5 2022-02-13 thomas *delta_size = 0;
3064 9249e7e3 2022-05-12 thomas *delta_compressed_size = 0;
3065 f9c2e8e5 2022-02-13 thomas *delta_offset = 0;
3066 f9c2e8e5 2022-02-13 thomas *delta_out_offset = 0;
3067 f9c2e8e5 2022-02-13 thomas *base_id = NULL;
3068 f9c2e8e5 2022-02-13 thomas
3069 f9c2e8e5 2022-02-13 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3070 f9c2e8e5 2022-02-13 thomas if (err)
3071 f9c2e8e5 2022-02-13 thomas return err;
3072 f9c2e8e5 2022-02-13 thomas
3073 f9c2e8e5 2022-02-13 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3074 f9c2e8e5 2022-02-13 thomas
3075 f9c2e8e5 2022-02-13 thomas switch (imsg.hdr.type) {
3076 f9c2e8e5 2022-02-13 thomas case GOT_IMSG_RAW_DELTA:
3077 f9c2e8e5 2022-02-13 thomas if (datalen != sizeof(*delta)) {
3078 f9c2e8e5 2022-02-13 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3079 f9c2e8e5 2022-02-13 thomas break;
3080 f9c2e8e5 2022-02-13 thomas }
3081 f9c2e8e5 2022-02-13 thomas delta = imsg.data;
3082 f9c2e8e5 2022-02-13 thomas *base_size = delta->base_size;
3083 f9c2e8e5 2022-02-13 thomas *result_size = delta->result_size;
3084 f9c2e8e5 2022-02-13 thomas *delta_size = delta->delta_size;
3085 9249e7e3 2022-05-12 thomas *delta_compressed_size = delta->delta_compressed_size;
3086 f9c2e8e5 2022-02-13 thomas *delta_offset = delta->delta_offset;
3087 f9c2e8e5 2022-02-13 thomas *delta_out_offset = delta->delta_out_offset;
3088 f9c2e8e5 2022-02-13 thomas *base_id = calloc(1, sizeof(**base_id));
3089 f9c2e8e5 2022-02-13 thomas if (*base_id == NULL) {
3090 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("malloc");
3091 f9c2e8e5 2022-02-13 thomas break;
3092 f9c2e8e5 2022-02-13 thomas }
3093 564a8b01 2023-02-03 thomas memcpy(*base_id, &delta->base_id, sizeof(**base_id));
3094 f9c2e8e5 2022-02-13 thomas break;
3095 f9c2e8e5 2022-02-13 thomas default:
3096 f9c2e8e5 2022-02-13 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3097 f9c2e8e5 2022-02-13 thomas break;
3098 f9c2e8e5 2022-02-13 thomas }
3099 f9c2e8e5 2022-02-13 thomas
3100 f9c2e8e5 2022-02-13 thomas imsg_free(&imsg);
3101 f9c2e8e5 2022-02-13 thomas
3102 f9c2e8e5 2022-02-13 thomas if (err) {
3103 f9c2e8e5 2022-02-13 thomas free(*base_id);
3104 f9c2e8e5 2022-02-13 thomas *base_id = NULL;
3105 7d0d4920 2022-05-12 thomas }
3106 7d0d4920 2022-05-12 thomas return err;
3107 7d0d4920 2022-05-12 thomas }
3108 7d0d4920 2022-05-12 thomas
3109 63915ee5 2022-06-23 thomas static const struct got_error *
3110 63915ee5 2022-06-23 thomas send_idlist(struct imsgbuf *ibuf, struct got_object_id **ids, size_t nids)
3111 7d0d4920 2022-05-12 thomas {
3112 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3113 7d0d4920 2022-05-12 thomas struct got_imsg_object_idlist idlist;
3114 7d0d4920 2022-05-12 thomas struct ibuf *wbuf;
3115 7d0d4920 2022-05-12 thomas size_t i;
3116 7d0d4920 2022-05-12 thomas
3117 c26ee7ad 2022-06-23 thomas memset(&idlist, 0, sizeof(idlist));
3118 c26ee7ad 2022-06-23 thomas
3119 7d0d4920 2022-05-12 thomas if (nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS)
3120 7d0d4920 2022-05-12 thomas return got_error(GOT_ERR_NO_SPACE);
3121 7d0d4920 2022-05-12 thomas
3122 7d0d4920 2022-05-12 thomas wbuf = imsg_create(ibuf, GOT_IMSG_OBJ_ID_LIST, 0, 0,
3123 7d0d4920 2022-05-12 thomas sizeof(idlist) + nids * sizeof(**ids));
3124 7d0d4920 2022-05-12 thomas if (wbuf == NULL) {
3125 7d0d4920 2022-05-12 thomas err = got_error_from_errno("imsg_create OBJ_ID_LIST");
3126 7d0d4920 2022-05-12 thomas return err;
3127 7d0d4920 2022-05-12 thomas }
3128 7d0d4920 2022-05-12 thomas
3129 7d0d4920 2022-05-12 thomas idlist.nids = nids;
3130 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &idlist, sizeof(idlist)) == -1)
3131 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add OBJ_ID_LIST");
3132 7d0d4920 2022-05-12 thomas
3133 7d0d4920 2022-05-12 thomas for (i = 0; i < nids; i++) {
3134 7d0d4920 2022-05-12 thomas struct got_object_id *id = ids[i];
3135 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, id, sizeof(*id)) == -1)
3136 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add OBJ_ID_LIST");
3137 7d0d4920 2022-05-12 thomas }
3138 77402035 2022-06-23 thomas
3139 7d0d4920 2022-05-12 thomas wbuf->fd = -1;
3140 7d0d4920 2022-05-12 thomas imsg_close(ibuf, wbuf);
3141 7d0d4920 2022-05-12 thomas
3142 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3143 7d0d4920 2022-05-12 thomas }
3144 7d0d4920 2022-05-12 thomas
3145 7d0d4920 2022-05-12 thomas const struct got_error *
3146 63915ee5 2022-06-23 thomas got_privsep_send_object_idlist(struct imsgbuf *ibuf,
3147 63915ee5 2022-06-23 thomas struct got_object_id **ids, size_t nids)
3148 63915ee5 2022-06-23 thomas {
3149 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
3150 63915ee5 2022-06-23 thomas struct got_object_id *idlist[GOT_IMSG_OBJ_ID_LIST_MAX_NIDS];
3151 ef53e23c 2022-06-23 thomas int i, queued = 0;
3152 63915ee5 2022-06-23 thomas
3153 77402035 2022-06-23 thomas for (i = 0; i < nids; i++) {
3154 ef53e23c 2022-06-23 thomas idlist[i % nitems(idlist)] = ids[i];
3155 ef53e23c 2022-06-23 thomas queued++;
3156 8f3ec65d 2022-06-23 thomas if (queued >= nitems(idlist)) {
3157 ef53e23c 2022-06-23 thomas err = send_idlist(ibuf, idlist, queued);
3158 63915ee5 2022-06-23 thomas if (err)
3159 63915ee5 2022-06-23 thomas return err;
3160 ef53e23c 2022-06-23 thomas queued = 0;
3161 63915ee5 2022-06-23 thomas }
3162 63915ee5 2022-06-23 thomas }
3163 63915ee5 2022-06-23 thomas
3164 ef53e23c 2022-06-23 thomas if (queued > 0) {
3165 ef53e23c 2022-06-23 thomas err = send_idlist(ibuf, idlist, queued);
3166 63915ee5 2022-06-23 thomas if (err)
3167 63915ee5 2022-06-23 thomas return err;
3168 63915ee5 2022-06-23 thomas }
3169 63915ee5 2022-06-23 thomas
3170 63915ee5 2022-06-23 thomas return NULL;
3171 63915ee5 2022-06-23 thomas }
3172 63915ee5 2022-06-23 thomas
3173 63915ee5 2022-06-23 thomas const struct got_error *
3174 7d0d4920 2022-05-12 thomas got_privsep_send_object_idlist_done(struct imsgbuf *ibuf)
3175 7d0d4920 2022-05-12 thomas {
3176 7d0d4920 2022-05-12 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJ_ID_LIST_DONE, 0, 0, -1, NULL, 0)
3177 7d0d4920 2022-05-12 thomas == -1)
3178 7d0d4920 2022-05-12 thomas return got_error_from_errno("imsg_compose OBJ_ID_LIST_DONE");
3179 7d0d4920 2022-05-12 thomas
3180 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3181 7d0d4920 2022-05-12 thomas }
3182 7d0d4920 2022-05-12 thomas
3183 7d0d4920 2022-05-12 thomas const struct got_error *
3184 7d0d4920 2022-05-12 thomas got_privsep_recv_object_idlist(int *done, struct got_object_id **ids,
3185 7d0d4920 2022-05-12 thomas size_t *nids, struct imsgbuf *ibuf)
3186 7d0d4920 2022-05-12 thomas {
3187 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3188 7d0d4920 2022-05-12 thomas struct imsg imsg;
3189 7d0d4920 2022-05-12 thomas struct got_imsg_object_idlist *idlist;
3190 7d0d4920 2022-05-12 thomas size_t datalen;
3191 7d0d4920 2022-05-12 thomas
3192 7d0d4920 2022-05-12 thomas *ids = NULL;
3193 7d0d4920 2022-05-12 thomas *done = 0;
3194 7d0d4920 2022-05-12 thomas *nids = 0;
3195 7d0d4920 2022-05-12 thomas
3196 7d0d4920 2022-05-12 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3197 7d0d4920 2022-05-12 thomas if (err)
3198 7d0d4920 2022-05-12 thomas return err;
3199 7d0d4920 2022-05-12 thomas
3200 7d0d4920 2022-05-12 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3201 7d0d4920 2022-05-12 thomas switch (imsg.hdr.type) {
3202 7d0d4920 2022-05-12 thomas case GOT_IMSG_OBJ_ID_LIST:
3203 7d0d4920 2022-05-12 thomas if (datalen < sizeof(*idlist)) {
3204 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3205 7d0d4920 2022-05-12 thomas break;
3206 7d0d4920 2022-05-12 thomas }
3207 7d0d4920 2022-05-12 thomas idlist = imsg.data;
3208 31d32634 2022-06-23 thomas if (idlist->nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS ||
3209 31d32634 2022-06-23 thomas idlist->nids * sizeof(**ids) > datalen - sizeof(*idlist)) {
3210 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3211 7d0d4920 2022-05-12 thomas break;
3212 7d0d4920 2022-05-12 thomas }
3213 7d0d4920 2022-05-12 thomas *nids = idlist->nids;
3214 7d0d4920 2022-05-12 thomas *ids = calloc(*nids, sizeof(**ids));
3215 7d0d4920 2022-05-12 thomas if (*ids == NULL) {
3216 7d0d4920 2022-05-12 thomas err = got_error_from_errno("calloc");
3217 7d0d4920 2022-05-12 thomas break;
3218 7d0d4920 2022-05-12 thomas }
3219 623d55de 2022-06-23 thomas memcpy(*ids, (uint8_t *)imsg.data + sizeof(*idlist),
3220 7d0d4920 2022-05-12 thomas *nids * sizeof(**ids));
3221 7d0d4920 2022-05-12 thomas break;
3222 7d0d4920 2022-05-12 thomas case GOT_IMSG_OBJ_ID_LIST_DONE:
3223 7d0d4920 2022-05-12 thomas *done = 1;
3224 7d0d4920 2022-05-12 thomas break;
3225 7d0d4920 2022-05-12 thomas default:
3226 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3227 7d0d4920 2022-05-12 thomas break;
3228 7d0d4920 2022-05-12 thomas }
3229 7d0d4920 2022-05-12 thomas
3230 7d0d4920 2022-05-12 thomas imsg_free(&imsg);
3231 7d0d4920 2022-05-12 thomas
3232 7d0d4920 2022-05-12 thomas return err;
3233 7d0d4920 2022-05-12 thomas }
3234 7d0d4920 2022-05-12 thomas
3235 7d0d4920 2022-05-12 thomas const struct got_error *
3236 7d0d4920 2022-05-12 thomas got_privsep_send_delta_reuse_req(struct imsgbuf *ibuf)
3237 7d0d4920 2022-05-12 thomas {
3238 7d0d4920 2022-05-12 thomas if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_REQUEST, 0, 0, -1, NULL, 0)
3239 7d0d4920 2022-05-12 thomas == -1)
3240 7d0d4920 2022-05-12 thomas return got_error_from_errno("imsg_compose DELTA_REUSE_REQUEST");
3241 7d0d4920 2022-05-12 thomas
3242 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3243 7d0d4920 2022-05-12 thomas }
3244 7d0d4920 2022-05-12 thomas
3245 7d0d4920 2022-05-12 thomas const struct got_error *
3246 7d0d4920 2022-05-12 thomas got_privsep_send_reused_deltas(struct imsgbuf *ibuf,
3247 7d0d4920 2022-05-12 thomas struct got_imsg_reused_delta *deltas, size_t ndeltas)
3248 7d0d4920 2022-05-12 thomas {
3249 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3250 7d0d4920 2022-05-12 thomas struct ibuf *wbuf;
3251 7d0d4920 2022-05-12 thomas struct got_imsg_reused_deltas ideltas;
3252 7d0d4920 2022-05-12 thomas size_t i;
3253 7d0d4920 2022-05-12 thomas
3254 c26ee7ad 2022-06-23 thomas memset(&ideltas, 0, sizeof(ideltas));
3255 c26ee7ad 2022-06-23 thomas
3256 7d0d4920 2022-05-12 thomas if (ndeltas > GOT_IMSG_REUSED_DELTAS_MAX_NDELTAS)
3257 7d0d4920 2022-05-12 thomas return got_error(GOT_ERR_NO_SPACE);
3258 7d0d4920 2022-05-12 thomas
3259 7d0d4920 2022-05-12 thomas wbuf = imsg_create(ibuf, GOT_IMSG_REUSED_DELTAS, 0, 0,
3260 7d0d4920 2022-05-12 thomas sizeof(ideltas) + ndeltas * sizeof(*deltas));
3261 7d0d4920 2022-05-12 thomas if (wbuf == NULL) {
3262 7d0d4920 2022-05-12 thomas err = got_error_from_errno("imsg_create REUSED_DELTAS");
3263 7d0d4920 2022-05-12 thomas return err;
3264 f9c2e8e5 2022-02-13 thomas }
3265 7d0d4920 2022-05-12 thomas
3266 7d0d4920 2022-05-12 thomas ideltas.ndeltas = ndeltas;
3267 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &ideltas, sizeof(ideltas)) == -1)
3268 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add REUSED_DELTAS");
3269 7d0d4920 2022-05-12 thomas
3270 7d0d4920 2022-05-12 thomas for (i = 0; i < ndeltas; i++) {
3271 7d0d4920 2022-05-12 thomas struct got_imsg_reused_delta *delta = &deltas[i];
3272 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, delta, sizeof(*delta)) == -1)
3273 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add REUSED_DELTAS");
3274 7d0d4920 2022-05-12 thomas }
3275 77402035 2022-06-23 thomas
3276 7d0d4920 2022-05-12 thomas wbuf->fd = -1;
3277 7d0d4920 2022-05-12 thomas imsg_close(ibuf, wbuf);
3278 7d0d4920 2022-05-12 thomas
3279 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3280 7d0d4920 2022-05-12 thomas }
3281 7d0d4920 2022-05-12 thomas
3282 7d0d4920 2022-05-12 thomas const struct got_error *
3283 7d0d4920 2022-05-12 thomas got_privsep_send_reused_deltas_done(struct imsgbuf *ibuf)
3284 7d0d4920 2022-05-12 thomas {
3285 7d0d4920 2022-05-12 thomas if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_DONE, 0, 0, -1, NULL, 0)
3286 7d0d4920 2022-05-12 thomas == -1)
3287 7d0d4920 2022-05-12 thomas return got_error_from_errno("imsg_compose DELTA_REUSE_DONE");
3288 7d0d4920 2022-05-12 thomas
3289 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3290 7d0d4920 2022-05-12 thomas }
3291 7d0d4920 2022-05-12 thomas
3292 7d0d4920 2022-05-12 thomas const struct got_error *
3293 7d0d4920 2022-05-12 thomas got_privsep_recv_reused_deltas(int *done, struct got_imsg_reused_delta *deltas,
3294 7d0d4920 2022-05-12 thomas size_t *ndeltas, struct imsgbuf *ibuf)
3295 7d0d4920 2022-05-12 thomas {
3296 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3297 7d0d4920 2022-05-12 thomas struct imsg imsg;
3298 7d0d4920 2022-05-12 thomas struct got_imsg_reused_deltas *ideltas;
3299 7d0d4920 2022-05-12 thomas size_t datalen;
3300 7d0d4920 2022-05-12 thomas
3301 7d0d4920 2022-05-12 thomas *done = 0;
3302 7d0d4920 2022-05-12 thomas *ndeltas = 0;
3303 7d0d4920 2022-05-12 thomas
3304 7d0d4920 2022-05-12 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3305 7d0d4920 2022-05-12 thomas if (err)
3306 7d0d4920 2022-05-12 thomas return err;
3307 7d0d4920 2022-05-12 thomas
3308 7d0d4920 2022-05-12 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3309 7d0d4920 2022-05-12 thomas switch (imsg.hdr.type) {
3310 7d0d4920 2022-05-12 thomas case GOT_IMSG_REUSED_DELTAS:
3311 7d0d4920 2022-05-12 thomas if (datalen < sizeof(*ideltas)) {
3312 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3313 7d0d4920 2022-05-12 thomas break;
3314 7d0d4920 2022-05-12 thomas }
3315 7d0d4920 2022-05-12 thomas ideltas = imsg.data;
3316 31d32634 2022-06-23 thomas if (ideltas->ndeltas > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS ||
3317 31d32634 2022-06-23 thomas ideltas->ndeltas * sizeof(*deltas) >
3318 31d32634 2022-06-23 thomas datalen - sizeof(*ideltas)) {
3319 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3320 7d0d4920 2022-05-12 thomas break;
3321 7d0d4920 2022-05-12 thomas }
3322 7d0d4920 2022-05-12 thomas *ndeltas = ideltas->ndeltas;
3323 623d55de 2022-06-23 thomas memcpy(deltas, (uint8_t *)imsg.data + sizeof(*ideltas),
3324 7d0d4920 2022-05-12 thomas *ndeltas * sizeof(*deltas));
3325 7d0d4920 2022-05-12 thomas break;
3326 7d0d4920 2022-05-12 thomas case GOT_IMSG_DELTA_REUSE_DONE:
3327 7d0d4920 2022-05-12 thomas *done = 1;
3328 7d0d4920 2022-05-12 thomas break;
3329 7d0d4920 2022-05-12 thomas default:
3330 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3331 7d0d4920 2022-05-12 thomas break;
3332 7d0d4920 2022-05-12 thomas }
3333 7d0d4920 2022-05-12 thomas
3334 7d0d4920 2022-05-12 thomas imsg_free(&imsg);
3335 ec2b23c5 2022-07-01 thomas
3336 ec2b23c5 2022-07-01 thomas return err;
3337 ec2b23c5 2022-07-01 thomas }
3338 ec2b23c5 2022-07-01 thomas
3339 ec2b23c5 2022-07-01 thomas const struct got_error *
3340 ec2b23c5 2022-07-01 thomas got_privsep_init_commit_painting(struct imsgbuf *ibuf)
3341 ec2b23c5 2022-07-01 thomas {
3342 ec2b23c5 2022-07-01 thomas if (imsg_compose(ibuf, GOT_IMSG_COMMIT_PAINTING_INIT,
3343 ec2b23c5 2022-07-01 thomas 0, 0, -1, NULL, 0)
3344 ec2b23c5 2022-07-01 thomas == -1)
3345 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_compose "
3346 ec2b23c5 2022-07-01 thomas "COMMIT_PAINTING_INIT");
3347 ec2b23c5 2022-07-01 thomas
3348 ec2b23c5 2022-07-01 thomas return flush_imsg(ibuf);
3349 ec2b23c5 2022-07-01 thomas }
3350 ec2b23c5 2022-07-01 thomas
3351 ec2b23c5 2022-07-01 thomas const struct got_error *
3352 ec2b23c5 2022-07-01 thomas got_privsep_send_painting_request(struct imsgbuf *ibuf, int idx,
3353 ec2b23c5 2022-07-01 thomas struct got_object_id *id, intptr_t color)
3354 ec2b23c5 2022-07-01 thomas {
3355 ec2b23c5 2022-07-01 thomas struct got_imsg_commit_painting_request ireq;
3356 ec2b23c5 2022-07-01 thomas
3357 ec2b23c5 2022-07-01 thomas memset(&ireq, 0, sizeof(ireq));
3358 ec2b23c5 2022-07-01 thomas memcpy(ireq.id, id->sha1, sizeof(ireq.id));
3359 ec2b23c5 2022-07-01 thomas ireq.idx = idx;
3360 ec2b23c5 2022-07-01 thomas ireq.color = color;
3361 ec2b23c5 2022-07-01 thomas
3362 ec2b23c5 2022-07-01 thomas if (imsg_compose(ibuf, GOT_IMSG_COMMIT_PAINTING_REQUEST, 0, 0, -1,
3363 ec2b23c5 2022-07-01 thomas &ireq, sizeof(ireq)) == -1)
3364 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_compose "
3365 ec2b23c5 2022-07-01 thomas "COMMIT_PAINTING_REQUEST");
3366 ec2b23c5 2022-07-01 thomas
3367 ec2b23c5 2022-07-01 thomas return flush_imsg(ibuf);
3368 ec2b23c5 2022-07-01 thomas }
3369 ec2b23c5 2022-07-01 thomas
3370 ec2b23c5 2022-07-01 thomas static const struct got_error *
3371 ec2b23c5 2022-07-01 thomas send_painted_commits(struct got_object_id_queue *ids, int *nids,
3372 ec2b23c5 2022-07-01 thomas size_t remain, int present_in_pack, struct imsgbuf *ibuf)
3373 ec2b23c5 2022-07-01 thomas {
3374 ec2b23c5 2022-07-01 thomas const struct got_error *err = NULL;
3375 ec2b23c5 2022-07-01 thomas struct ibuf *wbuf = NULL;
3376 ec2b23c5 2022-07-01 thomas struct got_object_qid *qid;
3377 ec2b23c5 2022-07-01 thomas size_t msglen;
3378 ec2b23c5 2022-07-01 thomas int ncommits;
3379 ec2b23c5 2022-07-01 thomas intptr_t color;
3380 ec2b23c5 2022-07-01 thomas
3381 ec2b23c5 2022-07-01 thomas msglen = MIN(remain, MAX_IMSGSIZE - IMSG_HEADER_SIZE);
3382 ec2b23c5 2022-07-01 thomas ncommits = (msglen - sizeof(struct got_imsg_painted_commits)) /
3383 ec2b23c5 2022-07-01 thomas sizeof(struct got_imsg_painted_commit);
3384 ec2b23c5 2022-07-01 thomas
3385 ec2b23c5 2022-07-01 thomas wbuf = imsg_create(ibuf, GOT_IMSG_PAINTED_COMMITS, 0, 0, msglen);
3386 ec2b23c5 2022-07-01 thomas if (wbuf == NULL) {
3387 ec2b23c5 2022-07-01 thomas err = got_error_from_errno("imsg_create PAINTED_COMMITS");
3388 ec2b23c5 2022-07-01 thomas return err;
3389 ec2b23c5 2022-07-01 thomas }
3390 ec2b23c5 2022-07-01 thomas
3391 ec2b23c5 2022-07-01 thomas /* Keep in sync with struct got_imsg_painted_commits! */
3392 ec2b23c5 2022-07-01 thomas if (imsg_add(wbuf, &ncommits, sizeof(ncommits)) == -1)
3393 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_add PAINTED_COMMITS");
3394 ec2b23c5 2022-07-01 thomas if (imsg_add(wbuf, &present_in_pack, sizeof(present_in_pack)) == -1)
3395 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_add PAINTED_COMMITS");
3396 ec2b23c5 2022-07-01 thomas
3397 ec2b23c5 2022-07-01 thomas while (ncommits > 0) {
3398 ec2b23c5 2022-07-01 thomas qid = STAILQ_FIRST(ids);
3399 ec2b23c5 2022-07-01 thomas STAILQ_REMOVE_HEAD(ids, entry);
3400 ec2b23c5 2022-07-01 thomas ncommits--;
3401 ec2b23c5 2022-07-01 thomas (*nids)--;
3402 ec2b23c5 2022-07-01 thomas color = (intptr_t)qid->data;
3403 ec2b23c5 2022-07-01 thomas
3404 ec2b23c5 2022-07-01 thomas /* Keep in sync with struct got_imsg_painted_commit! */
3405 ec2b23c5 2022-07-01 thomas if (imsg_add(wbuf, qid->id.sha1, SHA1_DIGEST_LENGTH) == -1)
3406 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_add PAINTED_COMMITS");
3407 ec2b23c5 2022-07-01 thomas if (imsg_add(wbuf, &color, sizeof(color)) == -1)
3408 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_add PAINTED_COMMITS");
3409 ec2b23c5 2022-07-01 thomas
3410 ec2b23c5 2022-07-01 thomas got_object_qid_free(qid);
3411 ec2b23c5 2022-07-01 thomas }
3412 ec2b23c5 2022-07-01 thomas
3413 ec2b23c5 2022-07-01 thomas wbuf->fd = -1;
3414 ec2b23c5 2022-07-01 thomas imsg_close(ibuf, wbuf);
3415 ec2b23c5 2022-07-01 thomas
3416 ec2b23c5 2022-07-01 thomas return flush_imsg(ibuf);
3417 ec2b23c5 2022-07-01 thomas }
3418 ec2b23c5 2022-07-01 thomas
3419 ec2b23c5 2022-07-01 thomas const struct got_error *
3420 ec2b23c5 2022-07-01 thomas got_privsep_send_painted_commits(struct imsgbuf *ibuf,
3421 ec2b23c5 2022-07-01 thomas struct got_object_id_queue *ids, int *nids,
3422 ec2b23c5 2022-07-01 thomas int present_in_pack, int flush)
3423 ec2b23c5 2022-07-01 thomas {
3424 ec2b23c5 2022-07-01 thomas const struct got_error *err;
3425 ec2b23c5 2022-07-01 thomas size_t remain;
3426 7d0d4920 2022-05-12 thomas
3427 ec2b23c5 2022-07-01 thomas if (*nids <= 0)
3428 ec2b23c5 2022-07-01 thomas return NULL;
3429 ec2b23c5 2022-07-01 thomas
3430 ec2b23c5 2022-07-01 thomas do {
3431 ec2b23c5 2022-07-01 thomas remain = (sizeof(struct got_imsg_painted_commits)) +
3432 ec2b23c5 2022-07-01 thomas *nids * sizeof(struct got_imsg_painted_commit);
3433 ec2b23c5 2022-07-01 thomas if (flush || remain >= MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
3434 ec2b23c5 2022-07-01 thomas err = send_painted_commits(ids, nids, remain,
3435 ec2b23c5 2022-07-01 thomas present_in_pack, ibuf);
3436 ec2b23c5 2022-07-01 thomas if (err)
3437 ec2b23c5 2022-07-01 thomas return err;
3438 ec2b23c5 2022-07-01 thomas }
3439 ec2b23c5 2022-07-01 thomas } while (flush && *nids > 0);
3440 ec2b23c5 2022-07-01 thomas
3441 ec2b23c5 2022-07-01 thomas return NULL;
3442 ec2b23c5 2022-07-01 thomas }
3443 ec2b23c5 2022-07-01 thomas
3444 ec2b23c5 2022-07-01 thomas const struct got_error *
3445 ec2b23c5 2022-07-01 thomas got_privsep_send_painting_commits_done(struct imsgbuf *ibuf)
3446 ec2b23c5 2022-07-01 thomas {
3447 ec2b23c5 2022-07-01 thomas if (imsg_compose(ibuf, GOT_IMSG_COMMIT_PAINTING_DONE,
3448 ec2b23c5 2022-07-01 thomas 0, 0, -1, NULL, 0)
3449 ec2b23c5 2022-07-01 thomas == -1)
3450 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_compose "
3451 ec2b23c5 2022-07-01 thomas "COMMIT_PAINTING_DONE");
3452 ec2b23c5 2022-07-01 thomas
3453 ec2b23c5 2022-07-01 thomas return flush_imsg(ibuf);
3454 ec2b23c5 2022-07-01 thomas }
3455 ec2b23c5 2022-07-01 thomas
3456 ec2b23c5 2022-07-01 thomas const struct got_error *
3457 ec2b23c5 2022-07-01 thomas got_privsep_recv_painted_commits(struct got_object_id_queue *new_ids,
3458 ec2b23c5 2022-07-01 thomas got_privsep_recv_painted_commit_cb cb, void *cb_arg, struct imsgbuf *ibuf)
3459 ec2b23c5 2022-07-01 thomas {
3460 ec2b23c5 2022-07-01 thomas const struct got_error *err = NULL;
3461 ec2b23c5 2022-07-01 thomas struct imsg imsg;
3462 ec2b23c5 2022-07-01 thomas struct got_imsg_painted_commits icommits;
3463 ec2b23c5 2022-07-01 thomas struct got_imsg_painted_commit icommit;
3464 ec2b23c5 2022-07-01 thomas size_t datalen;
3465 ec2b23c5 2022-07-01 thomas int i;
3466 ec2b23c5 2022-07-01 thomas
3467 ec2b23c5 2022-07-01 thomas for (;;) {
3468 ec2b23c5 2022-07-01 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3469 ec2b23c5 2022-07-01 thomas if (err)
3470 ec2b23c5 2022-07-01 thomas return err;
3471 ec2b23c5 2022-07-01 thomas
3472 ec2b23c5 2022-07-01 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3473 ec2b23c5 2022-07-01 thomas if (imsg.hdr.type == GOT_IMSG_COMMIT_PAINTING_DONE)
3474 ec2b23c5 2022-07-01 thomas break;
3475 ec2b23c5 2022-07-01 thomas if (imsg.hdr.type != GOT_IMSG_PAINTED_COMMITS)
3476 ec2b23c5 2022-07-01 thomas return got_error(GOT_ERR_PRIVSEP_MSG);
3477 ec2b23c5 2022-07-01 thomas
3478 ec2b23c5 2022-07-01 thomas if (datalen < sizeof(icommits))
3479 ec2b23c5 2022-07-01 thomas return got_error(GOT_ERR_PRIVSEP_LEN);
3480 ec2b23c5 2022-07-01 thomas memcpy(&icommits, imsg.data, sizeof(icommits));
3481 ec2b23c5 2022-07-01 thomas if (icommits.ncommits * sizeof(icommit) < icommits.ncommits ||
3482 ec2b23c5 2022-07-01 thomas datalen < sizeof(icommits) +
3483 ec2b23c5 2022-07-01 thomas icommits.ncommits * sizeof(icommit))
3484 ec2b23c5 2022-07-01 thomas return got_error(GOT_ERR_PRIVSEP_LEN);
3485 ec2b23c5 2022-07-01 thomas
3486 ec2b23c5 2022-07-01 thomas for (i = 0; i < icommits.ncommits; i++) {
3487 ec2b23c5 2022-07-01 thomas memcpy(&icommit,
3488 ec2b23c5 2022-07-01 thomas (uint8_t *)imsg.data + sizeof(icommits) + i * sizeof(icommit),
3489 ec2b23c5 2022-07-01 thomas sizeof(icommit));
3490 ec2b23c5 2022-07-01 thomas
3491 ec2b23c5 2022-07-01 thomas if (icommits.present_in_pack) {
3492 ec2b23c5 2022-07-01 thomas struct got_object_id id;
3493 ec2b23c5 2022-07-01 thomas memcpy(id.sha1, icommit.id, SHA1_DIGEST_LENGTH);
3494 ec2b23c5 2022-07-01 thomas err = cb(cb_arg, &id, icommit.color);
3495 ec2b23c5 2022-07-01 thomas if (err)
3496 ec2b23c5 2022-07-01 thomas break;
3497 ec2b23c5 2022-07-01 thomas } else {
3498 ec2b23c5 2022-07-01 thomas struct got_object_qid *qid;
3499 ec2b23c5 2022-07-01 thomas err = got_object_qid_alloc_partial(&qid);
3500 ec2b23c5 2022-07-01 thomas if (err)
3501 ec2b23c5 2022-07-01 thomas break;
3502 ec2b23c5 2022-07-01 thomas memcpy(qid->id.sha1, icommit.id,
3503 ec2b23c5 2022-07-01 thomas SHA1_DIGEST_LENGTH);
3504 ec2b23c5 2022-07-01 thomas qid->data = (void *)icommit.color;
3505 ec2b23c5 2022-07-01 thomas STAILQ_INSERT_TAIL(new_ids, qid, entry);
3506 ec2b23c5 2022-07-01 thomas }
3507 ec2b23c5 2022-07-01 thomas }
3508 ec2b23c5 2022-07-01 thomas
3509 ec2b23c5 2022-07-01 thomas imsg_free(&imsg);
3510 ec2b23c5 2022-07-01 thomas }
3511 ec2b23c5 2022-07-01 thomas
3512 f9c2e8e5 2022-02-13 thomas return err;
3513 f9c2e8e5 2022-02-13 thomas }
3514 f9c2e8e5 2022-02-13 thomas
3515 f9c2e8e5 2022-02-13 thomas const struct got_error *
3516 63219cd2 2019-01-04 stsp got_privsep_unveil_exec_helpers(void)
3517 63219cd2 2019-01-04 stsp {
3518 c39c25dd 2019-08-09 stsp const char *helpers[] = {
3519 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_PACK,
3520 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_OBJECT,
3521 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_COMMIT,
3522 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TREE,
3523 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_BLOB,
3524 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TAG,
3525 aba9c984 2019-09-08 stsp GOT_PATH_PROG_READ_GITCONFIG,
3526 257add31 2020-09-09 stsp GOT_PATH_PROG_READ_GOTCONFIG,
3527 069bbb86 2022-03-07 thomas GOT_PATH_PROG_READ_PATCH,
3528 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_FETCH_PACK,
3529 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_INDEX_PACK,
3530 f8a36e22 2021-08-26 stsp GOT_PATH_PROG_SEND_PACK,
3531 c39c25dd 2019-08-09 stsp };
3532 16aeacf7 2020-11-26 stsp size_t i;
3533 63219cd2 2019-01-04 stsp
3534 c39c25dd 2019-08-09 stsp for (i = 0; i < nitems(helpers); i++) {
3535 c39c25dd 2019-08-09 stsp if (unveil(helpers[i], "x") == 0)
3536 c39c25dd 2019-08-09 stsp continue;
3537 c39c25dd 2019-08-09 stsp return got_error_from_errno2("unveil", helpers[i]);
3538 c39c25dd 2019-08-09 stsp }
3539 c39c25dd 2019-08-09 stsp
3540 63219cd2 2019-01-04 stsp return NULL;
3541 876c234b 2018-09-10 stsp }
3542 aba9c984 2019-09-08 stsp
3543 aba9c984 2019-09-08 stsp void
3544 aba9c984 2019-09-08 stsp got_privsep_exec_child(int imsg_fds[2], const char *path, const char *repo_path)
3545 aba9c984 2019-09-08 stsp {
3546 08578a35 2021-01-22 stsp if (close(imsg_fds[0]) == -1) {
3547 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3548 aba9c984 2019-09-08 stsp _exit(1);
3549 aba9c984 2019-09-08 stsp }
3550 aba9c984 2019-09-08 stsp
3551 aba9c984 2019-09-08 stsp if (dup2(imsg_fds[1], GOT_IMSG_FD_CHILD) == -1) {
3552 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3553 aba9c984 2019-09-08 stsp _exit(1);
3554 aba9c984 2019-09-08 stsp }
3555 aba9c984 2019-09-08 stsp
3556 ce95518e 2021-12-10 thomas closefrom(GOT_IMSG_FD_CHILD + 1);
3557 ce95518e 2021-12-10 thomas
3558 aba9c984 2019-09-08 stsp if (execl(path, path, repo_path, (char *)NULL) == -1) {
3559 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s: %s\n", getprogname(), path,
3560 aba9c984 2019-09-08 stsp strerror(errno));
3561 aba9c984 2019-09-08 stsp _exit(1);
3562 aba9c984 2019-09-08 stsp }
3563 aba9c984 2019-09-08 stsp }