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1 2178c42e 2018-04-22 stsp /*
2 5aa81393 2020-01-06 stsp * Copyright (c) 2018, 2019, 2020 Stefan Sperling <stsp@openbsd.org>
3 93658fb9 2020-03-18 stsp * Copyright (c) 2020 Ori Bernstein <ori@openbsd.org>
4 2178c42e 2018-04-22 stsp *
5 2178c42e 2018-04-22 stsp * Permission to use, copy, modify, and distribute this software for any
6 2178c42e 2018-04-22 stsp * purpose with or without fee is hereby granted, provided that the above
7 2178c42e 2018-04-22 stsp * copyright notice and this permission notice appear in all copies.
8 2178c42e 2018-04-22 stsp *
9 2178c42e 2018-04-22 stsp * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 2178c42e 2018-04-22 stsp * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 2178c42e 2018-04-22 stsp * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 2178c42e 2018-04-22 stsp * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 2178c42e 2018-04-22 stsp * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 2178c42e 2018-04-22 stsp * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 2178c42e 2018-04-22 stsp * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 2178c42e 2018-04-22 stsp */
17 2178c42e 2018-04-22 stsp
18 2178c42e 2018-04-22 stsp #include <sys/types.h>
19 8b925c6c 2022-07-16 thomas #include <sys/queue.h>
20 2178c42e 2018-04-22 stsp #include <sys/uio.h>
21 876c234b 2018-09-10 stsp #include <sys/wait.h>
22 2178c42e 2018-04-22 stsp
23 531c3985 2020-03-18 stsp #include <ctype.h>
24 23c57b28 2020-09-11 naddy #include <limits.h>
25 a486b62b 2021-05-18 stsp #include <signal.h>
26 2178c42e 2018-04-22 stsp #include <stdio.h>
27 2178c42e 2018-04-22 stsp #include <stdlib.h>
28 2178c42e 2018-04-22 stsp #include <string.h>
29 2178c42e 2018-04-22 stsp #include <errno.h>
30 2178c42e 2018-04-22 stsp #include <stdint.h>
31 2178c42e 2018-04-22 stsp #include <poll.h>
32 81a12da5 2020-09-09 naddy #include <unistd.h>
33 2178c42e 2018-04-22 stsp #include <zlib.h>
34 788c352e 2018-06-16 stsp #include <time.h>
35 dd038bc6 2021-09-21 thomas.ad
36 dd038bc6 2021-09-21 thomas.ad #include "got_compat.h"
37 2178c42e 2018-04-22 stsp
38 2178c42e 2018-04-22 stsp #include "got_object.h"
39 2178c42e 2018-04-22 stsp #include "got_error.h"
40 3022d272 2019-11-14 stsp #include "got_path.h"
41 cd95becd 2019-11-29 stsp #include "got_repository.h"
42 2178c42e 2018-04-22 stsp
43 2178c42e 2018-04-22 stsp #include "got_lib_sha1.h"
44 2178c42e 2018-04-22 stsp #include "got_lib_delta.h"
45 63581804 2018-07-09 stsp #include "got_lib_inflate.h"
46 2178c42e 2018-04-22 stsp #include "got_lib_object.h"
47 a440fac0 2018-09-06 stsp #include "got_lib_object_parse.h"
48 2178c42e 2018-04-22 stsp #include "got_lib_privsep.h"
49 876c234b 2018-09-10 stsp #include "got_lib_pack.h"
50 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 2178c42e 2018-04-22 stsp poll_fd(int fd, int events, int timeout)
63 2178c42e 2018-04-22 stsp {
64 2178c42e 2018-04-22 stsp struct pollfd pfd[1];
65 a486b62b 2021-05-18 stsp struct timespec ts;
66 a486b62b 2021-05-18 stsp sigset_t sigset;
67 2178c42e 2018-04-22 stsp int n;
68 2178c42e 2018-04-22 stsp
69 2178c42e 2018-04-22 stsp pfd[0].fd = fd;
70 2178c42e 2018-04-22 stsp pfd[0].events = events;
71 2178c42e 2018-04-22 stsp
72 a486b62b 2021-05-18 stsp ts.tv_sec = timeout;
73 a486b62b 2021-05-18 stsp ts.tv_nsec = 0;
74 a486b62b 2021-05-18 stsp
75 a486b62b 2021-05-18 stsp if (sigemptyset(&sigset) == -1)
76 a486b62b 2021-05-18 stsp return got_error_from_errno("sigemptyset");
77 a486b62b 2021-05-18 stsp if (sigaddset(&sigset, SIGWINCH) == -1)
78 a486b62b 2021-05-18 stsp return got_error_from_errno("sigaddset");
79 a486b62b 2021-05-18 stsp
80 a486b62b 2021-05-18 stsp n = ppoll(pfd, 1, timeout == INFTIM ? NULL : &ts, &sigset);
81 2178c42e 2018-04-22 stsp if (n == -1)
82 932dbee7 2021-05-19 stsp return got_error_from_errno("ppoll");
83 2178c42e 2018-04-22 stsp if (n == 0)
84 2178c42e 2018-04-22 stsp return got_error(GOT_ERR_TIMEOUT);
85 2178c42e 2018-04-22 stsp if (pfd[0].revents & (POLLERR | POLLNVAL))
86 638f9024 2019-05-13 stsp return got_error_from_errno("poll error");
87 2178c42e 2018-04-22 stsp if (pfd[0].revents & (events | POLLHUP))
88 2178c42e 2018-04-22 stsp return NULL;
89 2178c42e 2018-04-22 stsp
90 2178c42e 2018-04-22 stsp return got_error(GOT_ERR_INTERRUPT);
91 2178c42e 2018-04-22 stsp }
92 2178c42e 2018-04-22 stsp
93 c4eae628 2018-04-23 stsp static const struct got_error *
94 e033d803 2018-04-23 stsp read_imsg(struct imsgbuf *ibuf)
95 fe36cf76 2018-04-23 stsp {
96 fe36cf76 2018-04-23 stsp const struct got_error *err;
97 e033d803 2018-04-23 stsp size_t n;
98 fe36cf76 2018-04-23 stsp
99 ff470224 2022-05-19 thomas err = poll_fd(ibuf->fd, POLLIN, INFTIM);
100 ff470224 2022-05-19 thomas if (err)
101 ff470224 2022-05-19 thomas return err;
102 fe36cf76 2018-04-23 stsp
103 fe36cf76 2018-04-23 stsp n = imsg_read(ibuf);
104 fe36cf76 2018-04-23 stsp if (n == -1) {
105 fe36cf76 2018-04-23 stsp if (errno == EAGAIN) /* Could be a file-descriptor leak. */
106 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_NO_FD);
107 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_READ);
108 fe36cf76 2018-04-23 stsp }
109 fe36cf76 2018-04-23 stsp if (n == 0)
110 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_PIPE);
111 fe36cf76 2018-04-23 stsp
112 e033d803 2018-04-23 stsp return NULL;
113 e033d803 2018-04-23 stsp }
114 e033d803 2018-04-23 stsp
115 ad242220 2018-09-08 stsp const struct got_error *
116 876c234b 2018-09-10 stsp got_privsep_wait_for_child(pid_t pid)
117 876c234b 2018-09-10 stsp {
118 876c234b 2018-09-10 stsp int child_status;
119 876c234b 2018-09-10 stsp
120 2cb49fa8 2019-05-10 stsp if (waitpid(pid, &child_status, 0) == -1)
121 638f9024 2019-05-13 stsp return got_error_from_errno("waitpid");
122 876c234b 2018-09-10 stsp
123 876c234b 2018-09-10 stsp if (!WIFEXITED(child_status))
124 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_DIED);
125 876c234b 2018-09-10 stsp
126 876c234b 2018-09-10 stsp if (WEXITSTATUS(child_status) != 0)
127 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_EXIT);
128 876c234b 2018-09-10 stsp
129 876c234b 2018-09-10 stsp return NULL;
130 876c234b 2018-09-10 stsp }
131 876c234b 2018-09-10 stsp
132 73b7854a 2018-11-11 stsp static const struct got_error *
133 73b7854a 2018-11-11 stsp recv_imsg_error(struct imsg *imsg, size_t datalen)
134 73b7854a 2018-11-11 stsp {
135 73b7854a 2018-11-11 stsp struct got_imsg_error *ierr;
136 73b7854a 2018-11-11 stsp
137 73b7854a 2018-11-11 stsp if (datalen != sizeof(*ierr))
138 73b7854a 2018-11-11 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
139 73b7854a 2018-11-11 stsp
140 73b7854a 2018-11-11 stsp ierr = imsg->data;
141 73b7854a 2018-11-11 stsp if (ierr->code == GOT_ERR_ERRNO) {
142 73b7854a 2018-11-11 stsp static struct got_error serr;
143 73b7854a 2018-11-11 stsp serr.code = GOT_ERR_ERRNO;
144 73b7854a 2018-11-11 stsp serr.msg = strerror(ierr->errno_code);
145 73b7854a 2018-11-11 stsp return &serr;
146 73b7854a 2018-11-11 stsp }
147 73b7854a 2018-11-11 stsp
148 73b7854a 2018-11-11 stsp return got_error(ierr->code);
149 73b7854a 2018-11-11 stsp }
150 73b7854a 2018-11-11 stsp
151 876c234b 2018-09-10 stsp const struct got_error *
152 46de5bfd 2018-11-11 stsp got_privsep_recv_imsg(struct imsg *imsg, struct imsgbuf *ibuf,
153 46de5bfd 2018-11-11 stsp size_t min_datalen)
154 e033d803 2018-04-23 stsp {
155 e033d803 2018-04-23 stsp const struct got_error *err;
156 e033d803 2018-04-23 stsp ssize_t n;
157 e033d803 2018-04-23 stsp
158 e033d803 2018-04-23 stsp n = imsg_get(ibuf, imsg);
159 876c234b 2018-09-10 stsp if (n == -1)
160 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_get");
161 876c234b 2018-09-10 stsp
162 876c234b 2018-09-10 stsp while (n == 0) {
163 876c234b 2018-09-10 stsp err = read_imsg(ibuf);
164 876c234b 2018-09-10 stsp if (err)
165 876c234b 2018-09-10 stsp return err;
166 876c234b 2018-09-10 stsp n = imsg_get(ibuf, imsg);
167 cbfaaf20 2020-01-06 stsp if (n == -1)
168 cbfaaf20 2020-01-06 stsp return got_error_from_errno("imsg_get");
169 876c234b 2018-09-10 stsp }
170 fe36cf76 2018-04-23 stsp
171 fe36cf76 2018-04-23 stsp if (imsg->hdr.len < IMSG_HEADER_SIZE + min_datalen)
172 c4eae628 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
173 c4eae628 2018-04-23 stsp
174 73b7854a 2018-11-11 stsp if (imsg->hdr.type == GOT_IMSG_ERROR) {
175 73b7854a 2018-11-11 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
176 73b7854a 2018-11-11 stsp return recv_imsg_error(imsg, datalen);
177 c4eae628 2018-04-23 stsp }
178 c4eae628 2018-04-23 stsp
179 73b7854a 2018-11-11 stsp return NULL;
180 c4eae628 2018-04-23 stsp }
181 c4eae628 2018-04-23 stsp
182 2178c42e 2018-04-22 stsp /* Attempt to send an error in an imsg. Complain on stderr as a last resort. */
183 2178c42e 2018-04-22 stsp void
184 2178c42e 2018-04-22 stsp got_privsep_send_error(struct imsgbuf *ibuf, const struct got_error *err)
185 2178c42e 2018-04-22 stsp {
186 2178c42e 2018-04-22 stsp const struct got_error *poll_err;
187 2178c42e 2018-04-22 stsp struct got_imsg_error ierr;
188 2178c42e 2018-04-22 stsp int ret;
189 2178c42e 2018-04-22 stsp
190 2178c42e 2018-04-22 stsp ierr.code = err->code;
191 2178c42e 2018-04-22 stsp if (err->code == GOT_ERR_ERRNO)
192 2178c42e 2018-04-22 stsp ierr.errno_code = errno;
193 2178c42e 2018-04-22 stsp else
194 2178c42e 2018-04-22 stsp ierr.errno_code = 0;
195 2178c42e 2018-04-22 stsp ret = imsg_compose(ibuf, GOT_IMSG_ERROR, 0, 0, -1, &ierr, sizeof(ierr));
196 e93cd828 2018-11-11 stsp if (ret == -1) {
197 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_compose: %s\n",
198 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
199 5d43e84d 2018-04-23 stsp return;
200 2178c42e 2018-04-22 stsp }
201 2178c42e 2018-04-22 stsp
202 2178c42e 2018-04-22 stsp poll_err = poll_fd(ibuf->fd, POLLOUT, INFTIM);
203 5d43e84d 2018-04-23 stsp if (poll_err) {
204 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": poll: %s\n",
205 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, poll_err->msg);
206 5d43e84d 2018-04-23 stsp return;
207 5d43e84d 2018-04-23 stsp }
208 2178c42e 2018-04-22 stsp
209 2178c42e 2018-04-22 stsp ret = imsg_flush(ibuf);
210 5d43e84d 2018-04-23 stsp if (ret == -1) {
211 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_flush: %s\n",
212 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
213 e2752401 2022-02-16 thomas imsg_clear(ibuf);
214 5d43e84d 2018-04-23 stsp return;
215 5d43e84d 2018-04-23 stsp }
216 e033d803 2018-04-23 stsp }
217 e033d803 2018-04-23 stsp
218 e033d803 2018-04-23 stsp static const struct got_error *
219 e033d803 2018-04-23 stsp flush_imsg(struct imsgbuf *ibuf)
220 e033d803 2018-04-23 stsp {
221 e033d803 2018-04-23 stsp const struct got_error *err;
222 e033d803 2018-04-23 stsp
223 e033d803 2018-04-23 stsp err = poll_fd(ibuf->fd, POLLOUT, INFTIM);
224 e033d803 2018-04-23 stsp if (err)
225 e033d803 2018-04-23 stsp return err;
226 e033d803 2018-04-23 stsp
227 e2752401 2022-02-16 thomas if (imsg_flush(ibuf) == -1) {
228 e2752401 2022-02-16 thomas imsg_clear(ibuf);
229 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_flush");
230 e2752401 2022-02-16 thomas }
231 e033d803 2018-04-23 stsp
232 e033d803 2018-04-23 stsp return NULL;
233 ad242220 2018-09-08 stsp }
234 ad242220 2018-09-08 stsp
235 ad242220 2018-09-08 stsp const struct got_error *
236 e70bf110 2020-03-22 stsp got_privsep_flush_imsg(struct imsgbuf *ibuf)
237 e70bf110 2020-03-22 stsp {
238 e70bf110 2020-03-22 stsp return flush_imsg(ibuf);
239 e70bf110 2020-03-22 stsp }
240 e70bf110 2020-03-22 stsp
241 e70bf110 2020-03-22 stsp const struct got_error *
242 ad242220 2018-09-08 stsp got_privsep_send_stop(int fd)
243 ad242220 2018-09-08 stsp {
244 ad242220 2018-09-08 stsp const struct got_error *err = NULL;
245 ad242220 2018-09-08 stsp struct imsgbuf ibuf;
246 ad242220 2018-09-08 stsp
247 ad242220 2018-09-08 stsp imsg_init(&ibuf, fd);
248 ad242220 2018-09-08 stsp
249 ad242220 2018-09-08 stsp if (imsg_compose(&ibuf, GOT_IMSG_STOP, 0, 0, -1, NULL, 0) == -1)
250 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose STOP");
251 ad242220 2018-09-08 stsp
252 ad242220 2018-09-08 stsp err = flush_imsg(&ibuf);
253 ad242220 2018-09-08 stsp return err;
254 7762fe12 2018-11-05 stsp }
255 93658fb9 2020-03-18 stsp
256 93658fb9 2020-03-18 stsp const struct got_error *
257 d5c81d44 2021-07-08 stsp got_privsep_send_obj_req(struct imsgbuf *ibuf, int fd,
258 d5c81d44 2021-07-08 stsp struct got_object_id *id)
259 ad242220 2018-09-08 stsp {
260 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT_REQUEST, 0, 0, fd,
261 d5c81d44 2021-07-08 stsp id, sizeof(*id)) == -1)
262 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT_REQUEST");
263 59d1e4a0 2021-03-10 stsp
264 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
265 59d1e4a0 2021-03-10 stsp }
266 59d1e4a0 2021-03-10 stsp
267 59d1e4a0 2021-03-10 stsp const struct got_error *
268 d5c81d44 2021-07-08 stsp got_privsep_send_raw_obj_req(struct imsgbuf *ibuf, int fd,
269 d5c81d44 2021-07-08 stsp struct got_object_id *id)
270 59d1e4a0 2021-03-10 stsp {
271 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_OBJECT_REQUEST, 0, 0, fd,
272 d5c81d44 2021-07-08 stsp id, sizeof(*id)) == -1)
273 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose RAW_OBJECT_REQUEST");
274 59d1e4a0 2021-03-10 stsp
275 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
276 59d1e4a0 2021-03-10 stsp }
277 59d1e4a0 2021-03-10 stsp
278 59d1e4a0 2021-03-10 stsp const struct got_error *
279 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj_outfd(struct imsgbuf *ibuf, int outfd)
280 59d1e4a0 2021-03-10 stsp {
281 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
282 59d1e4a0 2021-03-10 stsp
283 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_OBJECT_OUTFD, 0, 0, outfd, NULL, 0)
284 59d1e4a0 2021-03-10 stsp == -1) {
285 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_compose RAW_OBJECT_OUTFD");
286 59d1e4a0 2021-03-10 stsp close(outfd);
287 59d1e4a0 2021-03-10 stsp return err;
288 59d1e4a0 2021-03-10 stsp }
289 59d1e4a0 2021-03-10 stsp
290 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
291 59d1e4a0 2021-03-10 stsp }
292 59d1e4a0 2021-03-10 stsp
293 59d1e4a0 2021-03-10 stsp const struct got_error *
294 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj(struct imsgbuf *ibuf, off_t size, size_t hdrlen,
295 59d1e4a0 2021-03-10 stsp uint8_t *data)
296 59d1e4a0 2021-03-10 stsp {
297 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
298 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj iobj;
299 59d1e4a0 2021-03-10 stsp size_t len = sizeof(iobj);
300 59d1e4a0 2021-03-10 stsp struct ibuf *wbuf;
301 1785f84a 2018-12-23 stsp
302 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
303 59d1e4a0 2021-03-10 stsp iobj.hdrlen = hdrlen;
304 59d1e4a0 2021-03-10 stsp iobj.size = size;
305 59d1e4a0 2021-03-10 stsp
306 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX)
307 a8591711 2021-06-18 stsp len += (size_t)size + hdrlen;
308 59d1e4a0 2021-03-10 stsp
309 59d1e4a0 2021-03-10 stsp wbuf = imsg_create(ibuf, GOT_IMSG_RAW_OBJECT, 0, 0, len);
310 59d1e4a0 2021-03-10 stsp if (wbuf == NULL) {
311 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_create RAW_OBJECT");
312 59d1e4a0 2021-03-10 stsp return err;
313 59d1e4a0 2021-03-10 stsp }
314 59d1e4a0 2021-03-10 stsp
315 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &iobj, sizeof(iobj)) == -1)
316 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add RAW_OBJECT");
317 59d1e4a0 2021-03-10 stsp
318 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
319 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, data, size + hdrlen) == -1)
320 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add RAW_OBJECT");
321 59d1e4a0 2021-03-10 stsp }
322 59d1e4a0 2021-03-10 stsp
323 59d1e4a0 2021-03-10 stsp wbuf->fd = -1;
324 59d1e4a0 2021-03-10 stsp imsg_close(ibuf, wbuf);
325 59d1e4a0 2021-03-10 stsp
326 1785f84a 2018-12-23 stsp return flush_imsg(ibuf);
327 1785f84a 2018-12-23 stsp }
328 1785f84a 2018-12-23 stsp
329 1785f84a 2018-12-23 stsp const struct got_error *
330 59d1e4a0 2021-03-10 stsp got_privsep_recv_raw_obj(uint8_t **outbuf, off_t *size, size_t *hdrlen,
331 59d1e4a0 2021-03-10 stsp struct imsgbuf *ibuf)
332 59d1e4a0 2021-03-10 stsp {
333 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
334 59d1e4a0 2021-03-10 stsp struct imsg imsg;
335 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj *iobj;
336 59d1e4a0 2021-03-10 stsp size_t datalen;
337 59d1e4a0 2021-03-10 stsp
338 59d1e4a0 2021-03-10 stsp *outbuf = NULL;
339 59d1e4a0 2021-03-10 stsp
340 59d1e4a0 2021-03-10 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
341 59d1e4a0 2021-03-10 stsp if (err)
342 59d1e4a0 2021-03-10 stsp return err;
343 59d1e4a0 2021-03-10 stsp
344 59d1e4a0 2021-03-10 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
345 59d1e4a0 2021-03-10 stsp
346 59d1e4a0 2021-03-10 stsp switch (imsg.hdr.type) {
347 59d1e4a0 2021-03-10 stsp case GOT_IMSG_RAW_OBJECT:
348 59d1e4a0 2021-03-10 stsp if (datalen < sizeof(*iobj)) {
349 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
350 59d1e4a0 2021-03-10 stsp break;
351 59d1e4a0 2021-03-10 stsp }
352 59d1e4a0 2021-03-10 stsp iobj = imsg.data;
353 59d1e4a0 2021-03-10 stsp *size = iobj->size;
354 59d1e4a0 2021-03-10 stsp *hdrlen = iobj->hdrlen;
355 59d1e4a0 2021-03-10 stsp
356 59d1e4a0 2021-03-10 stsp if (datalen == sizeof(*iobj)) {
357 59d1e4a0 2021-03-10 stsp /* Data has been written to file descriptor. */
358 59d1e4a0 2021-03-10 stsp break;
359 59d1e4a0 2021-03-10 stsp }
360 59d1e4a0 2021-03-10 stsp
361 31d32634 2022-06-23 thomas if (*size < 0 ||
362 31d32634 2022-06-23 thomas *size + *hdrlen > GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
363 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
364 59d1e4a0 2021-03-10 stsp break;
365 59d1e4a0 2021-03-10 stsp }
366 59d1e4a0 2021-03-10 stsp
367 a8591711 2021-06-18 stsp *outbuf = malloc(*size + *hdrlen);
368 59d1e4a0 2021-03-10 stsp if (*outbuf == NULL) {
369 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("malloc");
370 59d1e4a0 2021-03-10 stsp break;
371 59d1e4a0 2021-03-10 stsp }
372 a8591711 2021-06-18 stsp memcpy(*outbuf, imsg.data + sizeof(*iobj), *size + *hdrlen);
373 59d1e4a0 2021-03-10 stsp break;
374 59d1e4a0 2021-03-10 stsp default:
375 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
376 59d1e4a0 2021-03-10 stsp break;
377 59d1e4a0 2021-03-10 stsp }
378 59d1e4a0 2021-03-10 stsp
379 59d1e4a0 2021-03-10 stsp imsg_free(&imsg);
380 59d1e4a0 2021-03-10 stsp
381 59d1e4a0 2021-03-10 stsp return err;
382 59d1e4a0 2021-03-10 stsp }
383 59d1e4a0 2021-03-10 stsp
384 59d1e4a0 2021-03-10 stsp const struct got_error *
385 1785f84a 2018-12-23 stsp got_privsep_send_commit_req(struct imsgbuf *ibuf, int fd,
386 1785f84a 2018-12-23 stsp struct got_object_id *id, int pack_idx)
387 1785f84a 2018-12-23 stsp {
388 41496140 2019-02-21 stsp const struct got_error *err = NULL;
389 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
390 d5c81d44 2021-07-08 stsp void *data;
391 1785f84a 2018-12-23 stsp size_t len;
392 1785f84a 2018-12-23 stsp
393 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
394 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* commit is packed */
395 1785f84a 2018-12-23 stsp iobj.idx = pack_idx;
396 1785f84a 2018-12-23 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
397 d5c81d44 2021-07-08 stsp data = &iobj;
398 1785f84a 2018-12-23 stsp len = sizeof(iobj);
399 1785f84a 2018-12-23 stsp } else {
400 d5c81d44 2021-07-08 stsp data = id;
401 d5c81d44 2021-07-08 stsp len = sizeof(*id);
402 1785f84a 2018-12-23 stsp }
403 1785f84a 2018-12-23 stsp
404 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_REQUEST, 0, 0, fd, data, len)
405 41496140 2019-02-21 stsp == -1) {
406 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT_REQUEST");
407 41496140 2019-02-21 stsp close(fd);
408 41496140 2019-02-21 stsp return err;
409 41496140 2019-02-21 stsp }
410 13c729f7 2018-12-24 stsp
411 13c729f7 2018-12-24 stsp return flush_imsg(ibuf);
412 13c729f7 2018-12-24 stsp }
413 13c729f7 2018-12-24 stsp
414 13c729f7 2018-12-24 stsp const struct got_error *
415 13c729f7 2018-12-24 stsp got_privsep_send_tree_req(struct imsgbuf *ibuf, int fd,
416 13c729f7 2018-12-24 stsp struct got_object_id *id, int pack_idx)
417 13c729f7 2018-12-24 stsp {
418 7f358e3b 2019-11-23 stsp struct ibuf *wbuf;
419 d5c81d44 2021-07-08 stsp size_t len;
420 7f358e3b 2019-11-23 stsp
421 d5c81d44 2021-07-08 stsp if (pack_idx != -1)
422 d5c81d44 2021-07-08 stsp len = sizeof(struct got_imsg_packed_object);
423 d5c81d44 2021-07-08 stsp else
424 d5c81d44 2021-07-08 stsp len = sizeof(*id);
425 d5c81d44 2021-07-08 stsp
426 7f358e3b 2019-11-23 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_REQUEST, 0, 0, len);
427 7f358e3b 2019-11-23 stsp if (wbuf == NULL)
428 7f358e3b 2019-11-23 stsp return got_error_from_errno("imsg_create TREE_REQUEST");
429 13c729f7 2018-12-24 stsp
430 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1)
431 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_REQUEST");
432 13c729f7 2018-12-24 stsp
433 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tree is packed */
434 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &pack_idx, sizeof(pack_idx)) == -1)
435 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_REQUEST");
436 41496140 2019-02-21 stsp }
437 268f7291 2018-12-24 stsp
438 7f358e3b 2019-11-23 stsp wbuf->fd = fd;
439 7f358e3b 2019-11-23 stsp imsg_close(ibuf, wbuf);
440 7f358e3b 2019-11-23 stsp
441 268f7291 2018-12-24 stsp return flush_imsg(ibuf);
442 268f7291 2018-12-24 stsp }
443 268f7291 2018-12-24 stsp
444 268f7291 2018-12-24 stsp const struct got_error *
445 268f7291 2018-12-24 stsp got_privsep_send_tag_req(struct imsgbuf *ibuf, int fd,
446 268f7291 2018-12-24 stsp struct got_object_id *id, int pack_idx)
447 268f7291 2018-12-24 stsp {
448 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
449 d5c81d44 2021-07-08 stsp void *data;
450 268f7291 2018-12-24 stsp size_t len;
451 268f7291 2018-12-24 stsp
452 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
453 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tag is packed */
454 268f7291 2018-12-24 stsp iobj.idx = pack_idx;
455 268f7291 2018-12-24 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
456 d5c81d44 2021-07-08 stsp data = &iobj;
457 268f7291 2018-12-24 stsp len = sizeof(iobj);
458 268f7291 2018-12-24 stsp } else {
459 d5c81d44 2021-07-08 stsp data = id;
460 d5c81d44 2021-07-08 stsp len = sizeof(*id);
461 268f7291 2018-12-24 stsp }
462 268f7291 2018-12-24 stsp
463 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_REQUEST, 0, 0, fd, data, len)
464 1785f84a 2018-12-23 stsp == -1)
465 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose TAG_REQUEST");
466 7762fe12 2018-11-05 stsp
467 7762fe12 2018-11-05 stsp return flush_imsg(ibuf);
468 7762fe12 2018-11-05 stsp }
469 7762fe12 2018-11-05 stsp
470 7762fe12 2018-11-05 stsp const struct got_error *
471 ebc55e2d 2018-12-24 stsp got_privsep_send_blob_req(struct imsgbuf *ibuf, int infd,
472 ebc55e2d 2018-12-24 stsp struct got_object_id *id, int pack_idx)
473 55da3778 2018-09-10 stsp {
474 41496140 2019-02-21 stsp const struct got_error *err = NULL;
475 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
476 d5c81d44 2021-07-08 stsp void *data;
477 ebc55e2d 2018-12-24 stsp size_t len;
478 ebc55e2d 2018-12-24 stsp
479 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
480 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* blob is packed */
481 ebc55e2d 2018-12-24 stsp iobj.idx = pack_idx;
482 ebc55e2d 2018-12-24 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
483 d5c81d44 2021-07-08 stsp data = &iobj;
484 ebc55e2d 2018-12-24 stsp len = sizeof(iobj);
485 ebc55e2d 2018-12-24 stsp } else {
486 d5c81d44 2021-07-08 stsp data = id;
487 d5c81d44 2021-07-08 stsp len = sizeof(*id);
488 ebc55e2d 2018-12-24 stsp }
489 ebc55e2d 2018-12-24 stsp
490 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_REQUEST, 0, 0, infd, data, len)
491 41496140 2019-02-21 stsp == -1) {
492 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_REQUEST");
493 41496140 2019-02-21 stsp close(infd);
494 41496140 2019-02-21 stsp return err;
495 41496140 2019-02-21 stsp }
496 ad242220 2018-09-08 stsp
497 55da3778 2018-09-10 stsp return flush_imsg(ibuf);
498 55da3778 2018-09-10 stsp }
499 ad242220 2018-09-08 stsp
500 55da3778 2018-09-10 stsp const struct got_error *
501 55da3778 2018-09-10 stsp got_privsep_send_blob_outfd(struct imsgbuf *ibuf, int outfd)
502 55da3778 2018-09-10 stsp {
503 41496140 2019-02-21 stsp const struct got_error *err = NULL;
504 41496140 2019-02-21 stsp
505 ad242220 2018-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_OUTFD, 0, 0, outfd, NULL, 0)
506 41496140 2019-02-21 stsp == -1) {
507 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_OUTFD");
508 41496140 2019-02-21 stsp close(outfd);
509 41496140 2019-02-21 stsp return err;
510 41496140 2019-02-21 stsp }
511 3840f4c9 2018-09-12 stsp
512 3840f4c9 2018-09-12 stsp return flush_imsg(ibuf);
513 3840f4c9 2018-09-12 stsp }
514 3840f4c9 2018-09-12 stsp
515 73ab1060 2020-03-18 stsp static const struct got_error *
516 73ab1060 2020-03-18 stsp send_fd(struct imsgbuf *ibuf, int imsg_code, int fd)
517 3840f4c9 2018-09-12 stsp {
518 41496140 2019-02-21 stsp const struct got_error *err = NULL;
519 41496140 2019-02-21 stsp
520 73ab1060 2020-03-18 stsp if (imsg_compose(ibuf, imsg_code, 0, 0, fd, NULL, 0) == -1) {
521 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TMPFD");
522 41496140 2019-02-21 stsp close(fd);
523 41496140 2019-02-21 stsp return err;
524 41496140 2019-02-21 stsp }
525 ad242220 2018-09-08 stsp
526 ad242220 2018-09-08 stsp return flush_imsg(ibuf);
527 ad242220 2018-09-08 stsp }
528 ad242220 2018-09-08 stsp
529 ad242220 2018-09-08 stsp const struct got_error *
530 73ab1060 2020-03-18 stsp got_privsep_send_tmpfd(struct imsgbuf *ibuf, int fd)
531 73ab1060 2020-03-18 stsp {
532 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_TMPFD, fd);
533 73ab1060 2020-03-18 stsp }
534 73ab1060 2020-03-18 stsp
535 73ab1060 2020-03-18 stsp const struct got_error *
536 876c234b 2018-09-10 stsp got_privsep_send_obj(struct imsgbuf *ibuf, struct got_object *obj)
537 2178c42e 2018-04-22 stsp {
538 2178c42e 2018-04-22 stsp struct got_imsg_object iobj;
539 1bb2bba2 2022-06-23 thomas
540 1bb2bba2 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
541 2178c42e 2018-04-22 stsp
542 c59b3346 2018-09-11 stsp memcpy(iobj.id, obj->id.sha1, sizeof(iobj.id));
543 2178c42e 2018-04-22 stsp iobj.type = obj->type;
544 2178c42e 2018-04-22 stsp iobj.flags = obj->flags;
545 2178c42e 2018-04-22 stsp iobj.hdrlen = obj->hdrlen;
546 2178c42e 2018-04-22 stsp iobj.size = obj->size;
547 c59b3346 2018-09-11 stsp if (iobj.flags & GOT_OBJ_FLAG_PACKED) {
548 876c234b 2018-09-10 stsp iobj.pack_offset = obj->pack_offset;
549 c59b3346 2018-09-11 stsp iobj.pack_idx = obj->pack_idx;
550 c59b3346 2018-09-11 stsp }
551 2178c42e 2018-04-22 stsp
552 2178c42e 2018-04-22 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT, 0, 0, -1, &iobj, sizeof(iobj))
553 2178c42e 2018-04-22 stsp == -1)
554 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT");
555 2178c42e 2018-04-22 stsp
556 c59b3346 2018-09-11 stsp return flush_imsg(ibuf);
557 cfd633c2 2018-09-10 stsp }
558 cfd633c2 2018-09-10 stsp
559 cfd633c2 2018-09-10 stsp const struct got_error *
560 33501562 2020-03-18 stsp got_privsep_send_fetch_req(struct imsgbuf *ibuf, int fd,
561 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs, int fetch_all_branches,
562 abc59930 2021-09-05 naddy struct got_pathlist_head *wanted_branches,
563 abc59930 2021-09-05 naddy struct got_pathlist_head *wanted_refs, int list_refs_only, int verbosity)
564 93658fb9 2020-03-18 stsp {
565 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
566 33501562 2020-03-18 stsp struct ibuf *wbuf;
567 4ba14133 2020-03-20 stsp size_t len;
568 33501562 2020-03-18 stsp struct got_pathlist_entry *pe;
569 4ba14133 2020-03-20 stsp struct got_imsg_fetch_request fetchreq;
570 93658fb9 2020-03-18 stsp
571 4ba14133 2020-03-20 stsp memset(&fetchreq, 0, sizeof(fetchreq));
572 4ba14133 2020-03-20 stsp fetchreq.fetch_all_branches = fetch_all_branches;
573 41b0de12 2020-03-21 stsp fetchreq.list_refs_only = list_refs_only;
574 2690194b 2020-03-21 stsp fetchreq.verbosity = verbosity;
575 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, have_refs, entry)
576 4ba14133 2020-03-20 stsp fetchreq.n_have_refs++;
577 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry)
578 4ba14133 2020-03-20 stsp fetchreq.n_wanted_branches++;
579 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry)
580 0e4002ca 2020-03-21 stsp fetchreq.n_wanted_refs++;
581 659e7fbd 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_request);
582 33501562 2020-03-18 stsp if (len >= MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
583 33501562 2020-03-18 stsp close(fd);
584 33501562 2020-03-18 stsp return got_error(GOT_ERR_NO_SPACE);
585 33501562 2020-03-18 stsp }
586 33501562 2020-03-18 stsp
587 4ba14133 2020-03-20 stsp if (imsg_compose(ibuf, GOT_IMSG_FETCH_REQUEST, 0, 0, fd,
588 4ba14133 2020-03-20 stsp &fetchreq, sizeof(fetchreq)) == -1)
589 4ba14133 2020-03-20 stsp return got_error_from_errno(
590 4ba14133 2020-03-20 stsp "imsg_compose FETCH_SERVER_PROGRESS");
591 33501562 2020-03-18 stsp
592 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
593 4ba14133 2020-03-20 stsp if (err) {
594 659e7fbd 2020-03-20 stsp close(fd);
595 659e7fbd 2020-03-20 stsp return err;
596 659e7fbd 2020-03-20 stsp }
597 4ba14133 2020-03-20 stsp fd = -1;
598 33501562 2020-03-18 stsp
599 33501562 2020-03-18 stsp TAILQ_FOREACH(pe, have_refs, entry) {
600 33501562 2020-03-18 stsp const char *name = pe->path;
601 33501562 2020-03-18 stsp size_t name_len = pe->path_len;
602 33501562 2020-03-18 stsp struct got_object_id *id = pe->data;
603 33501562 2020-03-18 stsp
604 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_have_ref) + name_len;
605 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_HAVE_REF, 0, 0, len);
606 4ba14133 2020-03-20 stsp if (wbuf == NULL)
607 4ba14133 2020-03-20 stsp return got_error_from_errno("imsg_create FETCH_HAVE_REF");
608 4ba14133 2020-03-20 stsp
609 33501562 2020-03-18 stsp /* Keep in sync with struct got_imsg_fetch_have_ref! */
610 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, id->sha1, sizeof(id->sha1)) == -1)
611 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add FETCH_HAVE_REF");
612 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
613 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add FETCH_HAVE_REF");
614 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
615 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add FETCH_HAVE_REF");
616 4ba14133 2020-03-20 stsp
617 4ba14133 2020-03-20 stsp wbuf->fd = -1;
618 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
619 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
620 4ba14133 2020-03-20 stsp if (err)
621 4ba14133 2020-03-20 stsp return err;
622 33501562 2020-03-18 stsp }
623 33501562 2020-03-18 stsp
624 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry) {
625 4ba14133 2020-03-20 stsp const char *name = pe->path;
626 4ba14133 2020-03-20 stsp size_t name_len = pe->path_len;
627 4ba14133 2020-03-20 stsp
628 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_wanted_branch) + name_len;
629 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_BRANCH, 0, 0,
630 4ba14133 2020-03-20 stsp len);
631 4ba14133 2020-03-20 stsp if (wbuf == NULL)
632 4ba14133 2020-03-20 stsp return got_error_from_errno(
633 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_BRANCH");
634 4ba14133 2020-03-20 stsp
635 4ba14133 2020-03-20 stsp /* Keep in sync with struct got_imsg_fetch_wanted_branch! */
636 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
637 e9f1a409 2022-05-19 thomas return got_error_from_errno(
638 4ba14133 2020-03-20 stsp "imsg_add FETCH_WANTED_BRANCH");
639 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
640 e9f1a409 2022-05-19 thomas return got_error_from_errno(
641 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_BRANCH");
642 4ba14133 2020-03-20 stsp
643 4ba14133 2020-03-20 stsp wbuf->fd = -1;
644 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
645 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
646 4ba14133 2020-03-20 stsp if (err)
647 4ba14133 2020-03-20 stsp return err;
648 4ba14133 2020-03-20 stsp }
649 4ba14133 2020-03-20 stsp
650 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry) {
651 0e4002ca 2020-03-21 stsp const char *name = pe->path;
652 0e4002ca 2020-03-21 stsp size_t name_len = pe->path_len;
653 0e4002ca 2020-03-21 stsp
654 0e4002ca 2020-03-21 stsp len = sizeof(struct got_imsg_fetch_wanted_ref) + name_len;
655 0e4002ca 2020-03-21 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_REF, 0, 0,
656 0e4002ca 2020-03-21 stsp len);
657 0e4002ca 2020-03-21 stsp if (wbuf == NULL)
658 0e4002ca 2020-03-21 stsp return got_error_from_errno(
659 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_REF");
660 0e4002ca 2020-03-21 stsp
661 0e4002ca 2020-03-21 stsp /* Keep in sync with struct got_imsg_fetch_wanted_ref! */
662 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
663 e9f1a409 2022-05-19 thomas return got_error_from_errno(
664 0e4002ca 2020-03-21 stsp "imsg_add FETCH_WANTED_REF");
665 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
666 e9f1a409 2022-05-19 thomas return got_error_from_errno(
667 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_REF");
668 0e4002ca 2020-03-21 stsp
669 0e4002ca 2020-03-21 stsp wbuf->fd = -1;
670 0e4002ca 2020-03-21 stsp imsg_close(ibuf, wbuf);
671 0e4002ca 2020-03-21 stsp err = flush_imsg(ibuf);
672 0e4002ca 2020-03-21 stsp if (err)
673 0e4002ca 2020-03-21 stsp return err;
674 0e4002ca 2020-03-21 stsp }
675 0e4002ca 2020-03-21 stsp
676 0e4002ca 2020-03-21 stsp
677 4ba14133 2020-03-20 stsp return NULL;
678 4ba14133 2020-03-20 stsp
679 93658fb9 2020-03-18 stsp }
680 93658fb9 2020-03-18 stsp
681 93658fb9 2020-03-18 stsp const struct got_error *
682 f826addf 2020-03-18 stsp got_privsep_send_fetch_outfd(struct imsgbuf *ibuf, int fd)
683 f826addf 2020-03-18 stsp {
684 f826addf 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_FETCH_OUTFD, fd);
685 531c3985 2020-03-18 stsp }
686 531c3985 2020-03-18 stsp
687 531c3985 2020-03-18 stsp const struct got_error *
688 8f2d01a6 2020-03-18 stsp got_privsep_recv_fetch_progress(int *done, struct got_object_id **id,
689 531c3985 2020-03-18 stsp char **refname, struct got_pathlist_head *symrefs, char **server_progress,
690 1d72a2a0 2020-03-24 stsp off_t *packfile_size, uint8_t *pack_sha1, struct imsgbuf *ibuf)
691 b9f99abf 2020-03-18 stsp {
692 b9f99abf 2020-03-18 stsp const struct got_error *err = NULL;
693 b9f99abf 2020-03-18 stsp struct imsg imsg;
694 b9f99abf 2020-03-18 stsp size_t datalen;
695 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symrefs *isymrefs = NULL;
696 abe0f35f 2020-03-18 stsp size_t n, remain;
697 abe0f35f 2020-03-18 stsp off_t off;
698 531c3985 2020-03-18 stsp int i;
699 b9f99abf 2020-03-18 stsp
700 8f2d01a6 2020-03-18 stsp *done = 0;
701 8f2d01a6 2020-03-18 stsp *id = NULL;
702 b9f99abf 2020-03-18 stsp *refname = NULL;
703 531c3985 2020-03-18 stsp *server_progress = NULL;
704 5a489642 2020-03-19 stsp *packfile_size = 0;
705 1d72a2a0 2020-03-24 stsp memset(pack_sha1, 0, SHA1_DIGEST_LENGTH);
706 b9f99abf 2020-03-18 stsp
707 531c3985 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
708 b9f99abf 2020-03-18 stsp if (err)
709 b9f99abf 2020-03-18 stsp return err;
710 b9f99abf 2020-03-18 stsp
711 b9f99abf 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
712 b9f99abf 2020-03-18 stsp switch (imsg.hdr.type) {
713 abe0f35f 2020-03-18 stsp case GOT_IMSG_FETCH_SYMREFS:
714 abe0f35f 2020-03-18 stsp if (datalen < sizeof(*isymrefs)) {
715 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
716 abe0f35f 2020-03-18 stsp break;
717 abe0f35f 2020-03-18 stsp }
718 abe0f35f 2020-03-18 stsp if (isymrefs != NULL) {
719 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
720 abe0f35f 2020-03-18 stsp break;
721 abe0f35f 2020-03-18 stsp }
722 abe0f35f 2020-03-18 stsp isymrefs = (struct got_imsg_fetch_symrefs *)imsg.data;
723 abe0f35f 2020-03-18 stsp off = sizeof(*isymrefs);
724 abe0f35f 2020-03-18 stsp remain = datalen - off;
725 abe0f35f 2020-03-18 stsp for (n = 0; n < isymrefs->nsymrefs; n++) {
726 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symref *s;
727 abe0f35f 2020-03-18 stsp char *name, *target;
728 abe0f35f 2020-03-18 stsp if (remain < sizeof(struct got_imsg_fetch_symref)) {
729 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
730 abe0f35f 2020-03-18 stsp goto done;
731 abe0f35f 2020-03-18 stsp }
732 abe0f35f 2020-03-18 stsp s = (struct got_imsg_fetch_symref *)(imsg.data + off);
733 abe0f35f 2020-03-18 stsp off += sizeof(*s);
734 abe0f35f 2020-03-18 stsp remain -= sizeof(*s);
735 abe0f35f 2020-03-18 stsp if (remain < s->name_len) {
736 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
737 abe0f35f 2020-03-18 stsp goto done;
738 abe0f35f 2020-03-18 stsp }
739 abe0f35f 2020-03-18 stsp name = strndup(imsg.data + off, s->name_len);
740 abe0f35f 2020-03-18 stsp if (name == NULL) {
741 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
742 abe0f35f 2020-03-18 stsp goto done;
743 abe0f35f 2020-03-18 stsp }
744 abe0f35f 2020-03-18 stsp off += s->name_len;
745 abe0f35f 2020-03-18 stsp remain -= s->name_len;
746 abe0f35f 2020-03-18 stsp if (remain < s->target_len) {
747 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
748 abe0f35f 2020-03-18 stsp free(name);
749 abe0f35f 2020-03-18 stsp goto done;
750 abe0f35f 2020-03-18 stsp }
751 abe0f35f 2020-03-18 stsp target = strndup(imsg.data + off, s->target_len);
752 abe0f35f 2020-03-18 stsp if (target == NULL) {
753 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
754 abe0f35f 2020-03-18 stsp free(name);
755 abe0f35f 2020-03-18 stsp goto done;
756 abe0f35f 2020-03-18 stsp }
757 abe0f35f 2020-03-18 stsp off += s->target_len;
758 abe0f35f 2020-03-18 stsp remain -= s->target_len;
759 abe0f35f 2020-03-18 stsp err = got_pathlist_append(symrefs, name, target);
760 abe0f35f 2020-03-18 stsp if (err) {
761 abe0f35f 2020-03-18 stsp free(name);
762 abe0f35f 2020-03-18 stsp free(target);
763 abe0f35f 2020-03-18 stsp goto done;
764 abe0f35f 2020-03-18 stsp }
765 abe0f35f 2020-03-18 stsp }
766 abe0f35f 2020-03-18 stsp break;
767 ea7396b9 2020-03-18 stsp case GOT_IMSG_FETCH_REF:
768 531c3985 2020-03-18 stsp if (datalen <= SHA1_DIGEST_LENGTH) {
769 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
770 531c3985 2020-03-18 stsp break;
771 531c3985 2020-03-18 stsp }
772 8f2d01a6 2020-03-18 stsp *id = malloc(sizeof(**id));
773 8f2d01a6 2020-03-18 stsp if (*id == NULL) {
774 b9f99abf 2020-03-18 stsp err = got_error_from_errno("malloc");
775 b9f99abf 2020-03-18 stsp break;
776 b9f99abf 2020-03-18 stsp }
777 8f2d01a6 2020-03-18 stsp memcpy((*id)->sha1, imsg.data, SHA1_DIGEST_LENGTH);
778 b9f99abf 2020-03-18 stsp *refname = strndup(imsg.data + SHA1_DIGEST_LENGTH,
779 b9f99abf 2020-03-18 stsp datalen - SHA1_DIGEST_LENGTH);
780 b9f99abf 2020-03-18 stsp if (*refname == NULL) {
781 b9f99abf 2020-03-18 stsp err = got_error_from_errno("strndup");
782 8f2d01a6 2020-03-18 stsp break;
783 8f2d01a6 2020-03-18 stsp }
784 8f2d01a6 2020-03-18 stsp break;
785 531c3985 2020-03-18 stsp case GOT_IMSG_FETCH_SERVER_PROGRESS:
786 531c3985 2020-03-18 stsp if (datalen == 0) {
787 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
788 531c3985 2020-03-18 stsp break;
789 531c3985 2020-03-18 stsp }
790 531c3985 2020-03-18 stsp *server_progress = strndup(imsg.data, datalen);
791 531c3985 2020-03-18 stsp if (*server_progress == NULL) {
792 531c3985 2020-03-18 stsp err = got_error_from_errno("strndup");
793 531c3985 2020-03-18 stsp break;
794 531c3985 2020-03-18 stsp }
795 531c3985 2020-03-18 stsp for (i = 0; i < datalen; i++) {
796 531c3985 2020-03-18 stsp if (!isprint((unsigned char)(*server_progress)[i]) &&
797 531c3985 2020-03-18 stsp !isspace((unsigned char)(*server_progress)[i])) {
798 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
799 531c3985 2020-03-18 stsp free(*server_progress);
800 531c3985 2020-03-18 stsp *server_progress = NULL;
801 531c3985 2020-03-18 stsp goto done;
802 531c3985 2020-03-18 stsp }
803 531c3985 2020-03-18 stsp }
804 531c3985 2020-03-18 stsp break;
805 d2cdc636 2020-03-18 stsp case GOT_IMSG_FETCH_DOWNLOAD_PROGRESS:
806 d2cdc636 2020-03-18 stsp if (datalen < sizeof(*packfile_size)) {
807 d2cdc636 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
808 d2cdc636 2020-03-18 stsp break;
809 d2cdc636 2020-03-18 stsp }
810 d2cdc636 2020-03-18 stsp memcpy(packfile_size, imsg.data, sizeof(*packfile_size));
811 d2cdc636 2020-03-18 stsp break;
812 8f2d01a6 2020-03-18 stsp case GOT_IMSG_FETCH_DONE:
813 8f2d01a6 2020-03-18 stsp if (datalen != SHA1_DIGEST_LENGTH) {
814 8f2d01a6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
815 8f2d01a6 2020-03-18 stsp break;
816 8f2d01a6 2020-03-18 stsp }
817 1d72a2a0 2020-03-24 stsp memcpy(pack_sha1, imsg.data, SHA1_DIGEST_LENGTH);
818 8f2d01a6 2020-03-18 stsp *done = 1;
819 b9f99abf 2020-03-18 stsp break;
820 b9f99abf 2020-03-18 stsp default:
821 b887aab6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
822 b887aab6 2020-03-18 stsp break;
823 b9f99abf 2020-03-18 stsp }
824 abe0f35f 2020-03-18 stsp done:
825 b887aab6 2020-03-18 stsp if (err) {
826 8f2d01a6 2020-03-18 stsp free(*id);
827 8f2d01a6 2020-03-18 stsp *id = NULL;
828 b887aab6 2020-03-18 stsp free(*refname);
829 b887aab6 2020-03-18 stsp *refname = NULL;
830 f8a36e22 2021-08-26 stsp }
831 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
832 f8a36e22 2021-08-26 stsp return err;
833 f8a36e22 2021-08-26 stsp }
834 f8a36e22 2021-08-26 stsp
835 f8a36e22 2021-08-26 stsp static const struct got_error *
836 f8a36e22 2021-08-26 stsp send_send_ref(const char *name, size_t name_len, struct got_object_id *id,
837 f8a36e22 2021-08-26 stsp int delete, struct imsgbuf *ibuf)
838 f8a36e22 2021-08-26 stsp {
839 f8a36e22 2021-08-26 stsp size_t len;
840 f8a36e22 2021-08-26 stsp struct ibuf *wbuf;
841 f8a36e22 2021-08-26 stsp
842 f8a36e22 2021-08-26 stsp len = sizeof(struct got_imsg_send_ref) + name_len;
843 f8a36e22 2021-08-26 stsp wbuf = imsg_create(ibuf, GOT_IMSG_SEND_REF, 0, 0, len);
844 f8a36e22 2021-08-26 stsp if (wbuf == NULL)
845 f8a36e22 2021-08-26 stsp return got_error_from_errno("imsg_create SEND_REF");
846 f8a36e22 2021-08-26 stsp
847 f8a36e22 2021-08-26 stsp /* Keep in sync with struct got_imsg_send_ref! */
848 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, id->sha1, sizeof(id->sha1)) == -1)
849 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
850 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &delete, sizeof(delete)) == -1)
851 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
852 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
853 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
854 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
855 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
856 f8a36e22 2021-08-26 stsp
857 f8a36e22 2021-08-26 stsp wbuf->fd = -1;
858 f8a36e22 2021-08-26 stsp imsg_close(ibuf, wbuf);
859 f8a36e22 2021-08-26 stsp return flush_imsg(ibuf);
860 f8a36e22 2021-08-26 stsp }
861 f8a36e22 2021-08-26 stsp
862 f8a36e22 2021-08-26 stsp const struct got_error *
863 f8a36e22 2021-08-26 stsp got_privsep_send_send_req(struct imsgbuf *ibuf, int fd,
864 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs,
865 abc59930 2021-09-05 naddy struct got_pathlist_head *delete_refs,
866 abc59930 2021-09-05 naddy int verbosity)
867 f8a36e22 2021-08-26 stsp {
868 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
869 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *pe;
870 f8a36e22 2021-08-26 stsp struct got_imsg_send_request sendreq;
871 f8a36e22 2021-08-26 stsp struct got_object_id zero_id;
872 f8a36e22 2021-08-26 stsp
873 f8a36e22 2021-08-26 stsp memset(&zero_id, 0, sizeof(zero_id));
874 f8a36e22 2021-08-26 stsp memset(&sendreq, 0, sizeof(sendreq));
875 f8a36e22 2021-08-26 stsp sendreq.verbosity = verbosity;
876 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry)
877 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
878 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry)
879 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
880 f8a36e22 2021-08-26 stsp if (imsg_compose(ibuf, GOT_IMSG_SEND_REQUEST, 0, 0, fd,
881 f8a36e22 2021-08-26 stsp &sendreq, sizeof(sendreq)) == -1) {
882 f8a36e22 2021-08-26 stsp err = got_error_from_errno(
883 f8a36e22 2021-08-26 stsp "imsg_compose FETCH_SERVER_PROGRESS");
884 f8a36e22 2021-08-26 stsp goto done;
885 f8a36e22 2021-08-26 stsp }
886 f8a36e22 2021-08-26 stsp
887 f8a36e22 2021-08-26 stsp err = flush_imsg(ibuf);
888 f8a36e22 2021-08-26 stsp if (err)
889 f8a36e22 2021-08-26 stsp goto done;
890 f8a36e22 2021-08-26 stsp fd = -1;
891 f8a36e22 2021-08-26 stsp
892 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry) {
893 f8a36e22 2021-08-26 stsp const char *name = pe->path;
894 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
895 f8a36e22 2021-08-26 stsp struct got_object_id *id = pe->data;
896 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, id, 0, ibuf);
897 f8a36e22 2021-08-26 stsp if (err)
898 f8a36e22 2021-08-26 stsp goto done;
899 f8a36e22 2021-08-26 stsp }
900 f8a36e22 2021-08-26 stsp
901 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry) {
902 f8a36e22 2021-08-26 stsp const char *name = pe->path;
903 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
904 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, &zero_id, 1, ibuf);
905 f8a36e22 2021-08-26 stsp if (err)
906 f8a36e22 2021-08-26 stsp goto done;
907 f8a36e22 2021-08-26 stsp }
908 f8a36e22 2021-08-26 stsp done:
909 f8a36e22 2021-08-26 stsp if (fd != -1 && close(fd) == -1 && err == NULL)
910 f8a36e22 2021-08-26 stsp err = got_error_from_errno("close");
911 f8a36e22 2021-08-26 stsp return err;
912 f8a36e22 2021-08-26 stsp
913 f8a36e22 2021-08-26 stsp }
914 f8a36e22 2021-08-26 stsp
915 f8a36e22 2021-08-26 stsp const struct got_error *
916 f8a36e22 2021-08-26 stsp got_privsep_recv_send_remote_refs(struct got_pathlist_head *remote_refs,
917 f8a36e22 2021-08-26 stsp struct imsgbuf *ibuf)
918 f8a36e22 2021-08-26 stsp {
919 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
920 f8a36e22 2021-08-26 stsp struct imsg imsg;
921 f8a36e22 2021-08-26 stsp size_t datalen;
922 f8a36e22 2021-08-26 stsp int done = 0;
923 f8a36e22 2021-08-26 stsp struct got_imsg_send_remote_ref iremote_ref;
924 f8a36e22 2021-08-26 stsp struct got_object_id *id = NULL;
925 f8a36e22 2021-08-26 stsp char *refname = NULL;
926 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *new;
927 f8a36e22 2021-08-26 stsp
928 f8a36e22 2021-08-26 stsp while (!done) {
929 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
930 f8a36e22 2021-08-26 stsp if (err)
931 f8a36e22 2021-08-26 stsp return err;
932 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
933 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
934 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REMOTE_REF:
935 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iremote_ref)) {
936 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
937 f8a36e22 2021-08-26 stsp goto done;
938 f8a36e22 2021-08-26 stsp }
939 f8a36e22 2021-08-26 stsp memcpy(&iremote_ref, imsg.data, sizeof(iremote_ref));
940 f8a36e22 2021-08-26 stsp if (datalen != sizeof(iremote_ref) +
941 f8a36e22 2021-08-26 stsp iremote_ref.name_len) {
942 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
943 f8a36e22 2021-08-26 stsp goto done;
944 f8a36e22 2021-08-26 stsp }
945 f8a36e22 2021-08-26 stsp id = malloc(sizeof(*id));
946 f8a36e22 2021-08-26 stsp if (id == NULL) {
947 f8a36e22 2021-08-26 stsp err = got_error_from_errno("malloc");
948 f8a36e22 2021-08-26 stsp goto done;
949 f8a36e22 2021-08-26 stsp }
950 f8a36e22 2021-08-26 stsp memcpy(id->sha1, iremote_ref.id, SHA1_DIGEST_LENGTH);
951 f8a36e22 2021-08-26 stsp refname = strndup(imsg.data + sizeof(iremote_ref),
952 f8a36e22 2021-08-26 stsp datalen - sizeof(iremote_ref));
953 f8a36e22 2021-08-26 stsp if (refname == NULL) {
954 f8a36e22 2021-08-26 stsp err = got_error_from_errno("strndup");
955 f8a36e22 2021-08-26 stsp goto done;
956 f8a36e22 2021-08-26 stsp }
957 f8a36e22 2021-08-26 stsp err = got_pathlist_insert(&new, remote_refs,
958 f8a36e22 2021-08-26 stsp refname, id);
959 f8a36e22 2021-08-26 stsp if (err)
960 f8a36e22 2021-08-26 stsp goto done;
961 f8a36e22 2021-08-26 stsp if (new == NULL) { /* duplicate which wasn't inserted */
962 f8a36e22 2021-08-26 stsp free(id);
963 f8a36e22 2021-08-26 stsp free(refname);
964 f8a36e22 2021-08-26 stsp }
965 f8a36e22 2021-08-26 stsp id = NULL;
966 f8a36e22 2021-08-26 stsp refname = NULL;
967 f8a36e22 2021-08-26 stsp break;
968 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_PACK_REQUEST:
969 f8a36e22 2021-08-26 stsp if (datalen != 0) {
970 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
971 f8a36e22 2021-08-26 stsp goto done;
972 f8a36e22 2021-08-26 stsp }
973 f8a36e22 2021-08-26 stsp /* got-send-pack is now waiting for a pack file. */
974 f8a36e22 2021-08-26 stsp done = 1;
975 f8a36e22 2021-08-26 stsp break;
976 f8a36e22 2021-08-26 stsp default:
977 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
978 f8a36e22 2021-08-26 stsp break;
979 f8a36e22 2021-08-26 stsp }
980 b887aab6 2020-03-18 stsp }
981 f8a36e22 2021-08-26 stsp done:
982 f8a36e22 2021-08-26 stsp free(id);
983 f8a36e22 2021-08-26 stsp free(refname);
984 b9f99abf 2020-03-18 stsp imsg_free(&imsg);
985 b9f99abf 2020-03-18 stsp return err;
986 93658fb9 2020-03-18 stsp }
987 93658fb9 2020-03-18 stsp
988 93658fb9 2020-03-18 stsp const struct got_error *
989 f8a36e22 2021-08-26 stsp got_privsep_send_packfd(struct imsgbuf *ibuf, int fd)
990 f8a36e22 2021-08-26 stsp {
991 f8a36e22 2021-08-26 stsp return send_fd(ibuf, GOT_IMSG_SEND_PACKFD, fd);
992 f8a36e22 2021-08-26 stsp }
993 f8a36e22 2021-08-26 stsp
994 f8a36e22 2021-08-26 stsp const struct got_error *
995 f8a36e22 2021-08-26 stsp got_privsep_recv_send_progress(int *done, off_t *bytes_sent,
996 f8a36e22 2021-08-26 stsp int *success, char **refname, struct imsgbuf *ibuf)
997 f8a36e22 2021-08-26 stsp {
998 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
999 f8a36e22 2021-08-26 stsp struct imsg imsg;
1000 f8a36e22 2021-08-26 stsp size_t datalen;
1001 f8a36e22 2021-08-26 stsp struct got_imsg_send_ref_status iref_status;
1002 f8a36e22 2021-08-26 stsp
1003 f8a36e22 2021-08-26 stsp /* Do not reset the current value of 'bytes_sent', it accumulates. */
1004 f8a36e22 2021-08-26 stsp *done = 0;
1005 f8a36e22 2021-08-26 stsp *success = 0;
1006 f8a36e22 2021-08-26 stsp *refname = NULL;
1007 f8a36e22 2021-08-26 stsp
1008 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1009 f8a36e22 2021-08-26 stsp if (err)
1010 f8a36e22 2021-08-26 stsp return err;
1011 f8a36e22 2021-08-26 stsp
1012 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1013 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
1014 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_UPLOAD_PROGRESS:
1015 f8a36e22 2021-08-26 stsp if (datalen < sizeof(*bytes_sent)) {
1016 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1017 f8a36e22 2021-08-26 stsp break;
1018 f8a36e22 2021-08-26 stsp }
1019 f8a36e22 2021-08-26 stsp memcpy(bytes_sent, imsg.data, sizeof(*bytes_sent));
1020 f8a36e22 2021-08-26 stsp break;
1021 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REF_STATUS:
1022 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iref_status)) {
1023 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1024 f8a36e22 2021-08-26 stsp break;
1025 f8a36e22 2021-08-26 stsp }
1026 f8a36e22 2021-08-26 stsp memcpy(&iref_status, imsg.data, sizeof(iref_status));
1027 f8a36e22 2021-08-26 stsp if (datalen != sizeof(iref_status) + iref_status.name_len) {
1028 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1029 f8a36e22 2021-08-26 stsp break;
1030 f8a36e22 2021-08-26 stsp }
1031 f8a36e22 2021-08-26 stsp *success = iref_status.success;
1032 f8a36e22 2021-08-26 stsp *refname = strndup(imsg.data + sizeof(iref_status),
1033 f8a36e22 2021-08-26 stsp iref_status.name_len);
1034 f8a36e22 2021-08-26 stsp break;
1035 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_DONE:
1036 f8a36e22 2021-08-26 stsp if (datalen != 0) {
1037 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1038 f8a36e22 2021-08-26 stsp break;
1039 f8a36e22 2021-08-26 stsp }
1040 f8a36e22 2021-08-26 stsp *done = 1;
1041 f8a36e22 2021-08-26 stsp break;
1042 f8a36e22 2021-08-26 stsp default:
1043 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1044 f8a36e22 2021-08-26 stsp break;
1045 f8a36e22 2021-08-26 stsp }
1046 f8a36e22 2021-08-26 stsp
1047 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
1048 f8a36e22 2021-08-26 stsp return err;
1049 f8a36e22 2021-08-26 stsp }
1050 f8a36e22 2021-08-26 stsp
1051 f8a36e22 2021-08-26 stsp const struct got_error *
1052 fd251256 2020-03-24 stsp got_privsep_send_index_pack_req(struct imsgbuf *ibuf, uint8_t *pack_sha1,
1053 668a20f6 2020-03-18 stsp int fd)
1054 93658fb9 2020-03-18 stsp {
1055 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1056 93658fb9 2020-03-18 stsp
1057 668a20f6 2020-03-18 stsp /* Keep in sync with struct got_imsg_index_pack_request */
1058 93658fb9 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_IDXPACK_REQUEST, 0, 0, fd,
1059 fd251256 2020-03-24 stsp pack_sha1, SHA1_DIGEST_LENGTH) == -1) {
1060 93658fb9 2020-03-18 stsp err = got_error_from_errno("imsg_compose INDEX_REQUEST");
1061 93658fb9 2020-03-18 stsp close(fd);
1062 93658fb9 2020-03-18 stsp return err;
1063 93658fb9 2020-03-18 stsp }
1064 baa9fea0 2020-03-18 stsp return flush_imsg(ibuf);
1065 baa9fea0 2020-03-18 stsp }
1066 baa9fea0 2020-03-18 stsp
1067 baa9fea0 2020-03-18 stsp const struct got_error *
1068 73ab1060 2020-03-18 stsp got_privsep_send_index_pack_outfd(struct imsgbuf *ibuf, int fd)
1069 73ab1060 2020-03-18 stsp {
1070 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_IDXPACK_OUTFD, fd);
1071 73ab1060 2020-03-18 stsp }
1072 73ab1060 2020-03-18 stsp
1073 73ab1060 2020-03-18 stsp const struct got_error *
1074 668a20f6 2020-03-18 stsp got_privsep_recv_index_progress(int *done, int *nobj_total,
1075 668a20f6 2020-03-18 stsp int *nobj_indexed, int *nobj_loose, int *nobj_resolved,
1076 668a20f6 2020-03-18 stsp struct imsgbuf *ibuf)
1077 93658fb9 2020-03-18 stsp {
1078 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1079 93658fb9 2020-03-18 stsp struct imsg imsg;
1080 baa9fea0 2020-03-18 stsp struct got_imsg_index_pack_progress *iprogress;
1081 baa9fea0 2020-03-18 stsp size_t datalen;
1082 93658fb9 2020-03-18 stsp
1083 baa9fea0 2020-03-18 stsp *done = 0;
1084 668a20f6 2020-03-18 stsp *nobj_total = 0;
1085 668a20f6 2020-03-18 stsp *nobj_indexed = 0;
1086 668a20f6 2020-03-18 stsp *nobj_resolved = 0;
1087 baa9fea0 2020-03-18 stsp
1088 93658fb9 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1089 93658fb9 2020-03-18 stsp if (err)
1090 93658fb9 2020-03-18 stsp return err;
1091 baa9fea0 2020-03-18 stsp
1092 baa9fea0 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1093 baa9fea0 2020-03-18 stsp switch (imsg.hdr.type) {
1094 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_PROGRESS:
1095 baa9fea0 2020-03-18 stsp if (datalen < sizeof(*iprogress)) {
1096 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1097 baa9fea0 2020-03-18 stsp break;
1098 baa9fea0 2020-03-18 stsp }
1099 baa9fea0 2020-03-18 stsp iprogress = (struct got_imsg_index_pack_progress *)imsg.data;
1100 31d32634 2022-06-23 thomas if (iprogress->nobj_total < 0 || iprogress->nobj_indexed < 0 ||
1101 31d32634 2022-06-23 thomas iprogress->nobj_loose < 0 || iprogress->nobj_resolved < 0) {
1102 31d32634 2022-06-23 thomas err = got_error(GOT_ERR_RANGE);
1103 31d32634 2022-06-23 thomas break;
1104 31d32634 2022-06-23 thomas }
1105 668a20f6 2020-03-18 stsp *nobj_total = iprogress->nobj_total;
1106 668a20f6 2020-03-18 stsp *nobj_indexed = iprogress->nobj_indexed;
1107 668a20f6 2020-03-18 stsp *nobj_loose = iprogress->nobj_loose;
1108 668a20f6 2020-03-18 stsp *nobj_resolved = iprogress->nobj_resolved;
1109 baa9fea0 2020-03-18 stsp break;
1110 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_DONE:
1111 baa9fea0 2020-03-18 stsp if (datalen != 0) {
1112 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1113 baa9fea0 2020-03-18 stsp break;
1114 baa9fea0 2020-03-18 stsp }
1115 baa9fea0 2020-03-18 stsp *done = 1;
1116 baa9fea0 2020-03-18 stsp break;
1117 baa9fea0 2020-03-18 stsp default:
1118 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1119 baa9fea0 2020-03-18 stsp break;
1120 baa9fea0 2020-03-18 stsp }
1121 baa9fea0 2020-03-18 stsp
1122 93658fb9 2020-03-18 stsp imsg_free(&imsg);
1123 baa9fea0 2020-03-18 stsp return err;
1124 93658fb9 2020-03-18 stsp }
1125 93658fb9 2020-03-18 stsp
1126 93658fb9 2020-03-18 stsp const struct got_error *
1127 cfd633c2 2018-09-10 stsp got_privsep_get_imsg_obj(struct got_object **obj, struct imsg *imsg,
1128 cfd633c2 2018-09-10 stsp struct imsgbuf *ibuf)
1129 cfd633c2 2018-09-10 stsp {
1130 291624d8 2018-11-07 stsp struct got_imsg_object *iobj;
1131 cfd633c2 2018-09-10 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1132 cfd633c2 2018-09-10 stsp
1133 291624d8 2018-11-07 stsp if (datalen != sizeof(*iobj))
1134 cfd633c2 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1135 291624d8 2018-11-07 stsp iobj = imsg->data;
1136 cfd633c2 2018-09-10 stsp
1137 31d32634 2022-06-23 thomas if (iobj->pack_offset < 0)
1138 31d32634 2022-06-23 thomas return got_error(GOT_ERR_PACK_OFFSET);
1139 31d32634 2022-06-23 thomas
1140 cfd633c2 2018-09-10 stsp *obj = calloc(1, sizeof(**obj));
1141 cfd633c2 2018-09-10 stsp if (*obj == NULL)
1142 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
1143 cfd633c2 2018-09-10 stsp
1144 291624d8 2018-11-07 stsp memcpy((*obj)->id.sha1, iobj->id, SHA1_DIGEST_LENGTH);
1145 291624d8 2018-11-07 stsp (*obj)->type = iobj->type;
1146 291624d8 2018-11-07 stsp (*obj)->flags = iobj->flags;
1147 291624d8 2018-11-07 stsp (*obj)->hdrlen = iobj->hdrlen;
1148 291624d8 2018-11-07 stsp (*obj)->size = iobj->size;
1149 c59b3346 2018-09-11 stsp /* path_packfile is handled by caller */
1150 291624d8 2018-11-07 stsp if (iobj->flags & GOT_OBJ_FLAG_PACKED) {
1151 291624d8 2018-11-07 stsp (*obj)->pack_offset = iobj->pack_offset;
1152 291624d8 2018-11-07 stsp (*obj)->pack_idx = iobj->pack_idx;
1153 876c234b 2018-09-10 stsp }
1154 772802ae 2022-01-27 thomas STAILQ_INIT(&(*obj)->deltas.entries);
1155 772802ae 2022-01-27 thomas return NULL;
1156 876c234b 2018-09-10 stsp }
1157 876c234b 2018-09-10 stsp
1158 2178c42e 2018-04-22 stsp const struct got_error *
1159 2178c42e 2018-04-22 stsp got_privsep_recv_obj(struct got_object **obj, struct imsgbuf *ibuf)
1160 2178c42e 2018-04-22 stsp {
1161 2178c42e 2018-04-22 stsp const struct got_error *err = NULL;
1162 2178c42e 2018-04-22 stsp struct imsg imsg;
1163 c4eae628 2018-04-23 stsp const size_t min_datalen =
1164 c4eae628 2018-04-23 stsp MIN(sizeof(struct got_imsg_error), sizeof(struct got_imsg_object));
1165 2178c42e 2018-04-22 stsp
1166 2178c42e 2018-04-22 stsp *obj = NULL;
1167 2178c42e 2018-04-22 stsp
1168 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1169 2178c42e 2018-04-22 stsp if (err)
1170 2178c42e 2018-04-22 stsp return err;
1171 2178c42e 2018-04-22 stsp
1172 2178c42e 2018-04-22 stsp switch (imsg.hdr.type) {
1173 2178c42e 2018-04-22 stsp case GOT_IMSG_OBJECT:
1174 cfd633c2 2018-09-10 stsp err = got_privsep_get_imsg_obj(obj, &imsg, ibuf);
1175 bff6ca00 2018-04-23 stsp break;
1176 bff6ca00 2018-04-23 stsp default:
1177 bff6ca00 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1178 bff6ca00 2018-04-23 stsp break;
1179 bff6ca00 2018-04-23 stsp }
1180 bff6ca00 2018-04-23 stsp
1181 bff6ca00 2018-04-23 stsp imsg_free(&imsg);
1182 bff6ca00 2018-04-23 stsp
1183 bff6ca00 2018-04-23 stsp return err;
1184 c75f7264 2018-09-11 stsp }
1185 c75f7264 2018-09-11 stsp
1186 c75f7264 2018-09-11 stsp static const struct got_error *
1187 c75f7264 2018-09-11 stsp send_commit_logmsg(struct imsgbuf *ibuf, struct got_commit_object *commit,
1188 c75f7264 2018-09-11 stsp size_t logmsg_len)
1189 c75f7264 2018-09-11 stsp {
1190 fa4ffeb3 2018-11-04 stsp const struct got_error *err = NULL;
1191 c75f7264 2018-09-11 stsp size_t offset, remain;
1192 c75f7264 2018-09-11 stsp
1193 c75f7264 2018-09-11 stsp offset = 0;
1194 c75f7264 2018-09-11 stsp remain = logmsg_len;
1195 c75f7264 2018-09-11 stsp while (remain > 0) {
1196 c75f7264 2018-09-11 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1197 c75f7264 2018-09-11 stsp
1198 c75f7264 2018-09-11 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_LOGMSG, 0, 0, -1,
1199 fa4ffeb3 2018-11-04 stsp commit->logmsg + offset, n) == -1) {
1200 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose "
1201 230a42bd 2019-05-11 jcs "COMMIT_LOGMSG");
1202 fa4ffeb3 2018-11-04 stsp break;
1203 fa4ffeb3 2018-11-04 stsp }
1204 c75f7264 2018-09-11 stsp
1205 fa4ffeb3 2018-11-04 stsp err = flush_imsg(ibuf);
1206 fa4ffeb3 2018-11-04 stsp if (err)
1207 fa4ffeb3 2018-11-04 stsp break;
1208 c75f7264 2018-09-11 stsp
1209 c75f7264 2018-09-11 stsp offset += n;
1210 c75f7264 2018-09-11 stsp remain -= n;
1211 c75f7264 2018-09-11 stsp }
1212 c75f7264 2018-09-11 stsp
1213 fa4ffeb3 2018-11-04 stsp return err;
1214 bff6ca00 2018-04-23 stsp }
1215 bff6ca00 2018-04-23 stsp
1216 bff6ca00 2018-04-23 stsp const struct got_error *
1217 068fd2bf 2018-04-24 stsp got_privsep_send_commit(struct imsgbuf *ibuf, struct got_commit_object *commit)
1218 bff6ca00 2018-04-23 stsp {
1219 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1220 b9c33926 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1221 bff6ca00 2018-04-23 stsp uint8_t *buf;
1222 bff6ca00 2018-04-23 stsp size_t len, total;
1223 79f35eb3 2018-06-11 stsp struct got_object_qid *qid;
1224 b9c33926 2018-11-07 stsp size_t author_len = strlen(commit->author);
1225 b9c33926 2018-11-07 stsp size_t committer_len = strlen(commit->committer);
1226 c75f7264 2018-09-11 stsp size_t logmsg_len = strlen(commit->logmsg);
1227 bff6ca00 2018-04-23 stsp
1228 b9c33926 2018-11-07 stsp total = sizeof(*icommit) + author_len + committer_len +
1229 b9c33926 2018-11-07 stsp commit->nparents * SHA1_DIGEST_LENGTH;
1230 bff6ca00 2018-04-23 stsp
1231 bff6ca00 2018-04-23 stsp buf = malloc(total);
1232 bff6ca00 2018-04-23 stsp if (buf == NULL)
1233 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1234 bff6ca00 2018-04-23 stsp
1235 b9c33926 2018-11-07 stsp icommit = (struct got_imsg_commit_object *)buf;
1236 a7403916 2018-12-24 stsp memcpy(icommit->tree_id, commit->tree_id->sha1,
1237 a7403916 2018-12-24 stsp sizeof(icommit->tree_id));
1238 b9c33926 2018-11-07 stsp icommit->author_len = author_len;
1239 b9c33926 2018-11-07 stsp icommit->author_time = commit->author_time;
1240 b9c33926 2018-11-07 stsp icommit->author_gmtoff = commit->author_gmtoff;
1241 b9c33926 2018-11-07 stsp icommit->committer_len = committer_len;
1242 b9c33926 2018-11-07 stsp icommit->committer_time = commit->committer_time;
1243 b9c33926 2018-11-07 stsp icommit->committer_gmtoff = commit->committer_gmtoff;
1244 b9c33926 2018-11-07 stsp icommit->logmsg_len = logmsg_len;
1245 b9c33926 2018-11-07 stsp icommit->nparents = commit->nparents;
1246 b9c33926 2018-11-07 stsp
1247 b9c33926 2018-11-07 stsp len = sizeof(*icommit);
1248 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->author, author_len);
1249 b9c33926 2018-11-07 stsp len += author_len;
1250 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->committer, committer_len);
1251 b9c33926 2018-11-07 stsp len += committer_len;
1252 dbdddfee 2021-06-23 naddy STAILQ_FOREACH(qid, &commit->parent_ids, entry) {
1253 ec242592 2022-04-22 thomas memcpy(buf + len, &qid->id, SHA1_DIGEST_LENGTH);
1254 86acc566 2018-04-23 stsp len += SHA1_DIGEST_LENGTH;
1255 bff6ca00 2018-04-23 stsp }
1256 bff6ca00 2018-04-23 stsp
1257 bff6ca00 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT, 0, 0, -1, buf, len) == -1) {
1258 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT");
1259 bff6ca00 2018-04-23 stsp goto done;
1260 bff6ca00 2018-04-23 stsp }
1261 bff6ca00 2018-04-23 stsp
1262 904df868 2018-11-04 stsp if (logmsg_len == 0 ||
1263 904df868 2018-11-04 stsp logmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1264 904df868 2018-11-04 stsp err = flush_imsg(ibuf);
1265 904df868 2018-11-04 stsp if (err)
1266 904df868 2018-11-04 stsp goto done;
1267 904df868 2018-11-04 stsp }
1268 c75f7264 2018-09-11 stsp err = send_commit_logmsg(ibuf, commit, logmsg_len);
1269 bff6ca00 2018-04-23 stsp done:
1270 bff6ca00 2018-04-23 stsp free(buf);
1271 bff6ca00 2018-04-23 stsp return err;
1272 bff6ca00 2018-04-23 stsp }
1273 cfd633c2 2018-09-10 stsp
1274 ca6e02ac 2020-01-07 stsp static const struct got_error *
1275 ca6e02ac 2020-01-07 stsp get_commit_from_imsg(struct got_commit_object **commit,
1276 ca6e02ac 2020-01-07 stsp struct imsg *imsg, size_t datalen, struct imsgbuf *ibuf)
1277 bff6ca00 2018-04-23 stsp {
1278 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1279 291624d8 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1280 ca6e02ac 2020-01-07 stsp size_t len = 0;
1281 bff6ca00 2018-04-23 stsp int i;
1282 bff6ca00 2018-04-23 stsp
1283 ca6e02ac 2020-01-07 stsp if (datalen < sizeof(*icommit))
1284 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1285 bff6ca00 2018-04-23 stsp
1286 ca6e02ac 2020-01-07 stsp icommit = imsg->data;
1287 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommit) + icommit->author_len +
1288 ca6e02ac 2020-01-07 stsp icommit->committer_len +
1289 ca6e02ac 2020-01-07 stsp icommit->nparents * SHA1_DIGEST_LENGTH)
1290 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1291 bff6ca00 2018-04-23 stsp
1292 ca6e02ac 2020-01-07 stsp if (icommit->nparents < 0)
1293 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1294 ca6e02ac 2020-01-07 stsp
1295 ca6e02ac 2020-01-07 stsp len += sizeof(*icommit);
1296 bff6ca00 2018-04-23 stsp
1297 ca6e02ac 2020-01-07 stsp *commit = got_object_commit_alloc_partial();
1298 ca6e02ac 2020-01-07 stsp if (*commit == NULL)
1299 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
1300 ca6e02ac 2020-01-07 stsp "got_object_commit_alloc_partial");
1301 ca6e02ac 2020-01-07 stsp
1302 ca6e02ac 2020-01-07 stsp memcpy((*commit)->tree_id->sha1, icommit->tree_id,
1303 ca6e02ac 2020-01-07 stsp SHA1_DIGEST_LENGTH);
1304 ca6e02ac 2020-01-07 stsp (*commit)->author_time = icommit->author_time;
1305 ca6e02ac 2020-01-07 stsp (*commit)->author_gmtoff = icommit->author_gmtoff;
1306 ca6e02ac 2020-01-07 stsp (*commit)->committer_time = icommit->committer_time;
1307 ca6e02ac 2020-01-07 stsp (*commit)->committer_gmtoff = icommit->committer_gmtoff;
1308 ca6e02ac 2020-01-07 stsp
1309 79b7acf3 2022-06-23 thomas (*commit)->author = strndup(imsg->data + len, icommit->author_len);
1310 79b7acf3 2022-06-23 thomas if ((*commit)->author == NULL) {
1311 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1312 79b7acf3 2022-06-23 thomas goto done;
1313 ca6e02ac 2020-01-07 stsp }
1314 ca6e02ac 2020-01-07 stsp len += icommit->author_len;
1315 bff6ca00 2018-04-23 stsp
1316 79b7acf3 2022-06-23 thomas (*commit)->committer = strndup(imsg->data + len,
1317 79b7acf3 2022-06-23 thomas icommit->committer_len);
1318 79b7acf3 2022-06-23 thomas if ((*commit)->committer == NULL) {
1319 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1320 79b7acf3 2022-06-23 thomas goto done;
1321 ca6e02ac 2020-01-07 stsp }
1322 ca6e02ac 2020-01-07 stsp len += icommit->committer_len;
1323 ca6e02ac 2020-01-07 stsp
1324 ca6e02ac 2020-01-07 stsp if (icommit->logmsg_len == 0) {
1325 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = strdup("");
1326 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1327 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1328 ca6e02ac 2020-01-07 stsp goto done;
1329 ca6e02ac 2020-01-07 stsp }
1330 ca6e02ac 2020-01-07 stsp } else {
1331 ca6e02ac 2020-01-07 stsp size_t offset = 0, remain = icommit->logmsg_len;
1332 ca6e02ac 2020-01-07 stsp
1333 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = malloc(icommit->logmsg_len + 1);
1334 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1335 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1336 ca6e02ac 2020-01-07 stsp goto done;
1337 bff6ca00 2018-04-23 stsp }
1338 ca6e02ac 2020-01-07 stsp while (remain > 0) {
1339 ca6e02ac 2020-01-07 stsp struct imsg imsg_log;
1340 ca6e02ac 2020-01-07 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1341 ca6e02ac 2020-01-07 stsp remain);
1342 6c281f94 2018-06-11 stsp
1343 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1344 ca6e02ac 2020-01-07 stsp if (err)
1345 ca6e02ac 2020-01-07 stsp goto done;
1346 bff6ca00 2018-04-23 stsp
1347 ca6e02ac 2020-01-07 stsp if (imsg_log.hdr.type != GOT_IMSG_COMMIT_LOGMSG) {
1348 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1349 ca6e02ac 2020-01-07 stsp goto done;
1350 bff6ca00 2018-04-23 stsp }
1351 c75f7264 2018-09-11 stsp
1352 ca6e02ac 2020-01-07 stsp memcpy((*commit)->logmsg + offset,
1353 ca6e02ac 2020-01-07 stsp imsg_log.data, n);
1354 ca6e02ac 2020-01-07 stsp imsg_free(&imsg_log);
1355 ca6e02ac 2020-01-07 stsp offset += n;
1356 ca6e02ac 2020-01-07 stsp remain -= n;
1357 bff6ca00 2018-04-23 stsp }
1358 ca6e02ac 2020-01-07 stsp (*commit)->logmsg[icommit->logmsg_len] = '\0';
1359 ca6e02ac 2020-01-07 stsp }
1360 bff6ca00 2018-04-23 stsp
1361 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommit->nparents; i++) {
1362 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
1363 86acc566 2018-04-23 stsp
1364 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
1365 ca6e02ac 2020-01-07 stsp if (err)
1366 ca6e02ac 2020-01-07 stsp break;
1367 ec242592 2022-04-22 thomas memcpy(&qid->id, imsg->data + len +
1368 ec242592 2022-04-22 thomas i * SHA1_DIGEST_LENGTH, sizeof(qid->id));
1369 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(&(*commit)->parent_ids, qid, entry);
1370 ca6e02ac 2020-01-07 stsp (*commit)->nparents++;
1371 ca6e02ac 2020-01-07 stsp }
1372 ca6e02ac 2020-01-07 stsp done:
1373 ca6e02ac 2020-01-07 stsp if (err) {
1374 ca6e02ac 2020-01-07 stsp got_object_commit_close(*commit);
1375 ca6e02ac 2020-01-07 stsp *commit = NULL;
1376 ca6e02ac 2020-01-07 stsp }
1377 ca6e02ac 2020-01-07 stsp return err;
1378 ca6e02ac 2020-01-07 stsp }
1379 ca6e02ac 2020-01-07 stsp
1380 ca6e02ac 2020-01-07 stsp const struct got_error *
1381 ca6e02ac 2020-01-07 stsp got_privsep_recv_commit(struct got_commit_object **commit, struct imsgbuf *ibuf)
1382 ca6e02ac 2020-01-07 stsp {
1383 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
1384 ca6e02ac 2020-01-07 stsp struct imsg imsg;
1385 ca6e02ac 2020-01-07 stsp size_t datalen;
1386 ca6e02ac 2020-01-07 stsp const size_t min_datalen =
1387 ca6e02ac 2020-01-07 stsp MIN(sizeof(struct got_imsg_error),
1388 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_object));
1389 ca6e02ac 2020-01-07 stsp
1390 ca6e02ac 2020-01-07 stsp *commit = NULL;
1391 ca6e02ac 2020-01-07 stsp
1392 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1393 ca6e02ac 2020-01-07 stsp if (err)
1394 ca6e02ac 2020-01-07 stsp return err;
1395 ca6e02ac 2020-01-07 stsp
1396 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1397 ca6e02ac 2020-01-07 stsp
1398 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
1399 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
1400 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(commit, &imsg, datalen, ibuf);
1401 2178c42e 2018-04-22 stsp break;
1402 8c580685 2018-04-22 stsp default:
1403 8c580685 2018-04-22 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1404 8c580685 2018-04-22 stsp break;
1405 2178c42e 2018-04-22 stsp }
1406 2178c42e 2018-04-22 stsp
1407 2178c42e 2018-04-22 stsp imsg_free(&imsg);
1408 e033d803 2018-04-23 stsp
1409 e033d803 2018-04-23 stsp return err;
1410 e033d803 2018-04-23 stsp }
1411 e033d803 2018-04-23 stsp
1412 06de99ad 2022-05-19 thomas static const struct got_error *
1413 63915ee5 2022-06-23 thomas send_tree_entries_batch(struct imsgbuf *ibuf,
1414 63915ee5 2022-06-23 thomas struct got_parsed_tree_entry *entries, int idx0, int idxN, size_t len)
1415 e033d803 2018-04-23 stsp {
1416 06de99ad 2022-05-19 thomas struct ibuf *wbuf;
1417 06de99ad 2022-05-19 thomas struct got_imsg_tree_entries ientries;
1418 06de99ad 2022-05-19 thomas int i;
1419 e033d803 2018-04-23 stsp
1420 c26ee7ad 2022-06-23 thomas memset(&ientries, 0, sizeof(ientries));
1421 c26ee7ad 2022-06-23 thomas
1422 06de99ad 2022-05-19 thomas wbuf = imsg_create(ibuf, GOT_IMSG_TREE_ENTRIES, 0, 0, len);
1423 06de99ad 2022-05-19 thomas if (wbuf == NULL)
1424 06de99ad 2022-05-19 thomas return got_error_from_errno("imsg_create TREE_ENTRY");
1425 e033d803 2018-04-23 stsp
1426 06de99ad 2022-05-19 thomas ientries.nentries = idxN - idx0 + 1;
1427 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &ientries, sizeof(ientries)) == -1)
1428 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1429 e033d803 2018-04-23 stsp
1430 06de99ad 2022-05-19 thomas for (i = idx0; i <= idxN; i++) {
1431 06de99ad 2022-05-19 thomas struct got_parsed_tree_entry *pte = &entries[i];
1432 e033d803 2018-04-23 stsp
1433 3022d272 2019-11-14 stsp /* Keep in sync with struct got_imsg_tree_object definition! */
1434 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, pte->id, SHA1_DIGEST_LENGTH) == -1)
1435 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1436 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &pte->mode, sizeof(pte->mode)) == -1)
1437 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1438 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &pte->namelen, sizeof(pte->namelen)) == -1)
1439 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1440 77402035 2022-06-23 thomas
1441 06de99ad 2022-05-19 thomas /* Remaining bytes are the entry's name. */
1442 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, pte->name, pte->namelen) == -1)
1443 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1444 06de99ad 2022-05-19 thomas }
1445 3022d272 2019-11-14 stsp
1446 06de99ad 2022-05-19 thomas wbuf->fd = -1;
1447 06de99ad 2022-05-19 thomas imsg_close(ibuf, wbuf);
1448 06de99ad 2022-05-19 thomas return NULL;
1449 06de99ad 2022-05-19 thomas }
1450 3022d272 2019-11-14 stsp
1451 63915ee5 2022-06-23 thomas static const struct got_error *
1452 63915ee5 2022-06-23 thomas send_tree_entries(struct imsgbuf *ibuf, struct got_parsed_tree_entry *entries,
1453 63915ee5 2022-06-23 thomas int nentries)
1454 06de99ad 2022-05-19 thomas {
1455 06de99ad 2022-05-19 thomas const struct got_error *err = NULL;
1456 06de99ad 2022-05-19 thomas int i, j;
1457 63915ee5 2022-06-23 thomas size_t entries_len = sizeof(struct got_imsg_tree_entries);
1458 06de99ad 2022-05-19 thomas
1459 06de99ad 2022-05-19 thomas i = 0;
1460 06de99ad 2022-05-19 thomas for (j = 0; j < nentries; j++) {
1461 06de99ad 2022-05-19 thomas struct got_parsed_tree_entry *pte = &entries[j];
1462 39b82974 2022-07-03 thomas size_t len = SHA1_DIGEST_LENGTH + sizeof(pte->mode) +
1463 39b82974 2022-07-03 thomas sizeof(pte->namelen) + pte->namelen;
1464 06de99ad 2022-05-19 thomas
1465 06de99ad 2022-05-19 thomas if (j > 0 &&
1466 06de99ad 2022-05-19 thomas entries_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1467 63915ee5 2022-06-23 thomas err = send_tree_entries_batch(ibuf, entries,
1468 06de99ad 2022-05-19 thomas i, j - 1, entries_len);
1469 06de99ad 2022-05-19 thomas if (err)
1470 06de99ad 2022-05-19 thomas return err;
1471 06de99ad 2022-05-19 thomas i = j;
1472 06de99ad 2022-05-19 thomas entries_len = sizeof(struct got_imsg_tree_entries);
1473 06de99ad 2022-05-19 thomas }
1474 06de99ad 2022-05-19 thomas
1475 06de99ad 2022-05-19 thomas entries_len += len;
1476 e033d803 2018-04-23 stsp }
1477 e033d803 2018-04-23 stsp
1478 06de99ad 2022-05-19 thomas if (j > 0) {
1479 63915ee5 2022-06-23 thomas err = send_tree_entries_batch(ibuf, entries, i, j - 1,
1480 63915ee5 2022-06-23 thomas entries_len);
1481 06de99ad 2022-05-19 thomas if (err)
1482 06de99ad 2022-05-19 thomas return err;
1483 06de99ad 2022-05-19 thomas }
1484 13280750 2022-06-13 thomas
1485 63915ee5 2022-06-23 thomas return NULL;
1486 63915ee5 2022-06-23 thomas }
1487 63915ee5 2022-06-23 thomas
1488 63915ee5 2022-06-23 thomas const struct got_error *
1489 63915ee5 2022-06-23 thomas got_privsep_send_tree(struct imsgbuf *ibuf,
1490 63915ee5 2022-06-23 thomas struct got_parsed_tree_entry *entries, int nentries)
1491 63915ee5 2022-06-23 thomas {
1492 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
1493 63915ee5 2022-06-23 thomas struct got_imsg_tree_object itree;
1494 63915ee5 2022-06-23 thomas
1495 c26ee7ad 2022-06-23 thomas memset(&itree, 0, sizeof(itree));
1496 63915ee5 2022-06-23 thomas itree.nentries = nentries;
1497 63915ee5 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_TREE, 0, 0, -1, &itree, sizeof(itree))
1498 63915ee5 2022-06-23 thomas == -1)
1499 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_compose TREE");
1500 63915ee5 2022-06-23 thomas
1501 63915ee5 2022-06-23 thomas err = send_tree_entries(ibuf, entries, nentries);
1502 63915ee5 2022-06-23 thomas if (err)
1503 63915ee5 2022-06-23 thomas return err;
1504 63915ee5 2022-06-23 thomas
1505 b00c9821 2018-11-04 stsp return flush_imsg(ibuf);
1506 63915ee5 2022-06-23 thomas }
1507 63915ee5 2022-06-23 thomas
1508 63915ee5 2022-06-23 thomas
1509 63915ee5 2022-06-23 thomas static const struct got_error *
1510 63915ee5 2022-06-23 thomas recv_tree_entries(void *data, size_t datalen, struct got_tree_object *tree,
1511 63915ee5 2022-06-23 thomas int *nentries)
1512 63915ee5 2022-06-23 thomas {
1513 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
1514 63915ee5 2022-06-23 thomas struct got_imsg_tree_entries *ientries;
1515 63915ee5 2022-06-23 thomas struct got_tree_entry *te;
1516 63915ee5 2022-06-23 thomas size_t te_offset;
1517 63915ee5 2022-06-23 thomas size_t i;
1518 63915ee5 2022-06-23 thomas
1519 63915ee5 2022-06-23 thomas if (datalen <= sizeof(*ientries) ||
1520 63915ee5 2022-06-23 thomas datalen > MAX_IMSGSIZE - IMSG_HEADER_SIZE)
1521 63915ee5 2022-06-23 thomas return got_error(GOT_ERR_PRIVSEP_LEN);
1522 63915ee5 2022-06-23 thomas
1523 63915ee5 2022-06-23 thomas ientries = (struct got_imsg_tree_entries *)data;
1524 63915ee5 2022-06-23 thomas if (ientries->nentries > INT_MAX) {
1525 63915ee5 2022-06-23 thomas return got_error_msg(GOT_ERR_NO_SPACE,
1526 63915ee5 2022-06-23 thomas "too many tree entries");
1527 63915ee5 2022-06-23 thomas }
1528 63915ee5 2022-06-23 thomas
1529 63915ee5 2022-06-23 thomas te_offset = sizeof(*ientries);
1530 63915ee5 2022-06-23 thomas for (i = 0; i < ientries->nentries; i++) {
1531 63915ee5 2022-06-23 thomas struct got_imsg_tree_entry ite;
1532 63915ee5 2022-06-23 thomas const char *te_name;
1533 63915ee5 2022-06-23 thomas uint8_t *buf = (uint8_t *)data + te_offset;
1534 63915ee5 2022-06-23 thomas
1535 63915ee5 2022-06-23 thomas if (te_offset >= datalen) {
1536 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1537 63915ee5 2022-06-23 thomas break;
1538 63915ee5 2022-06-23 thomas }
1539 63915ee5 2022-06-23 thomas
1540 63915ee5 2022-06-23 thomas /* Might not be aligned, size is ~32 bytes. */
1541 63915ee5 2022-06-23 thomas memcpy(&ite, buf, sizeof(ite));
1542 63915ee5 2022-06-23 thomas
1543 63915ee5 2022-06-23 thomas if (ite.namelen >= sizeof(te->name)) {
1544 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1545 63915ee5 2022-06-23 thomas break;
1546 63915ee5 2022-06-23 thomas }
1547 63915ee5 2022-06-23 thomas if (te_offset + sizeof(ite) + ite.namelen > datalen) {
1548 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1549 63915ee5 2022-06-23 thomas break;
1550 63915ee5 2022-06-23 thomas }
1551 63915ee5 2022-06-23 thomas
1552 63915ee5 2022-06-23 thomas if (*nentries >= tree->nentries) {
1553 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1554 63915ee5 2022-06-23 thomas break;
1555 63915ee5 2022-06-23 thomas }
1556 63915ee5 2022-06-23 thomas te = &tree->entries[*nentries];
1557 63915ee5 2022-06-23 thomas te_name = buf + sizeof(ite);
1558 63915ee5 2022-06-23 thomas memcpy(te->name, te_name, ite.namelen);
1559 63915ee5 2022-06-23 thomas te->name[ite.namelen] = '\0';
1560 63915ee5 2022-06-23 thomas memcpy(te->id.sha1, ite.id, SHA1_DIGEST_LENGTH);
1561 63915ee5 2022-06-23 thomas te->mode = ite.mode;
1562 63915ee5 2022-06-23 thomas te->idx = *nentries;
1563 63915ee5 2022-06-23 thomas (*nentries)++;
1564 63915ee5 2022-06-23 thomas
1565 63915ee5 2022-06-23 thomas te_offset += sizeof(ite) + ite.namelen;
1566 63915ee5 2022-06-23 thomas }
1567 63915ee5 2022-06-23 thomas
1568 63915ee5 2022-06-23 thomas return err;
1569 13280750 2022-06-13 thomas }
1570 13280750 2022-06-13 thomas
1571 e033d803 2018-04-23 stsp const struct got_error *
1572 068fd2bf 2018-04-24 stsp got_privsep_recv_tree(struct got_tree_object **tree, struct imsgbuf *ibuf)
1573 e033d803 2018-04-23 stsp {
1574 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
1575 e033d803 2018-04-23 stsp const size_t min_datalen =
1576 e033d803 2018-04-23 stsp MIN(sizeof(struct got_imsg_error),
1577 e033d803 2018-04-23 stsp sizeof(struct got_imsg_tree_object));
1578 291624d8 2018-11-07 stsp struct got_imsg_tree_object *itree;
1579 e033d803 2018-04-23 stsp int nentries = 0;
1580 2178c42e 2018-04-22 stsp
1581 e033d803 2018-04-23 stsp *tree = NULL;
1582 8767bb94 2022-05-19 thomas
1583 9b5e2ebd 2022-07-07 thomas while (*tree == NULL || nentries < (*tree)->nentries) {
1584 e033d803 2018-04-23 stsp struct imsg imsg;
1585 e033d803 2018-04-23 stsp size_t datalen;
1586 e033d803 2018-04-23 stsp
1587 9b5e2ebd 2022-07-07 thomas err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1588 9b5e2ebd 2022-07-07 thomas if (err)
1589 fca1f6ad 2020-08-27 stsp break;
1590 e033d803 2018-04-23 stsp
1591 e033d803 2018-04-23 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1592 e033d803 2018-04-23 stsp
1593 e033d803 2018-04-23 stsp switch (imsg.hdr.type) {
1594 e033d803 2018-04-23 stsp case GOT_IMSG_TREE:
1595 e033d803 2018-04-23 stsp /* This message should only appear once. */
1596 e033d803 2018-04-23 stsp if (*tree != NULL) {
1597 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1598 e033d803 2018-04-23 stsp break;
1599 e033d803 2018-04-23 stsp }
1600 291624d8 2018-11-07 stsp if (datalen != sizeof(*itree)) {
1601 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1602 e033d803 2018-04-23 stsp break;
1603 e033d803 2018-04-23 stsp }
1604 291624d8 2018-11-07 stsp itree = imsg.data;
1605 ace4d4e7 2022-05-19 thomas if (itree->nentries < 0) {
1606 ace4d4e7 2022-05-19 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1607 ace4d4e7 2022-05-19 thomas break;
1608 ace4d4e7 2022-05-19 thomas }
1609 c3b78ecc 2018-11-07 stsp *tree = malloc(sizeof(**tree));
1610 e033d803 2018-04-23 stsp if (*tree == NULL) {
1611 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1612 e033d803 2018-04-23 stsp break;
1613 e033d803 2018-04-23 stsp }
1614 56e0773d 2019-11-28 stsp (*tree)->entries = calloc(itree->nentries,
1615 56e0773d 2019-11-28 stsp sizeof(struct got_tree_entry));
1616 56e0773d 2019-11-28 stsp if ((*tree)->entries == NULL) {
1617 56e0773d 2019-11-28 stsp err = got_error_from_errno("malloc");
1618 c3bacae2 2022-05-19 thomas free(*tree);
1619 c3bacae2 2022-05-19 thomas *tree = NULL;
1620 56e0773d 2019-11-28 stsp break;
1621 56e0773d 2019-11-28 stsp }
1622 56e0773d 2019-11-28 stsp (*tree)->nentries = itree->nentries;
1623 c3b78ecc 2018-11-07 stsp (*tree)->refcnt = 0;
1624 e033d803 2018-04-23 stsp break;
1625 06de99ad 2022-05-19 thomas case GOT_IMSG_TREE_ENTRIES:
1626 e033d803 2018-04-23 stsp /* This message should be preceeded by GOT_IMSG_TREE. */
1627 e033d803 2018-04-23 stsp if (*tree == NULL) {
1628 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1629 e033d803 2018-04-23 stsp break;
1630 e033d803 2018-04-23 stsp }
1631 63915ee5 2022-06-23 thomas err = recv_tree_entries(imsg.data, datalen,
1632 63915ee5 2022-06-23 thomas *tree, &nentries);
1633 e033d803 2018-04-23 stsp break;
1634 e033d803 2018-04-23 stsp default:
1635 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1636 e033d803 2018-04-23 stsp break;
1637 e033d803 2018-04-23 stsp }
1638 e033d803 2018-04-23 stsp
1639 e033d803 2018-04-23 stsp imsg_free(&imsg);
1640 d6b7d054 2020-08-27 stsp if (err)
1641 d6b7d054 2020-08-27 stsp break;
1642 e033d803 2018-04-23 stsp }
1643 9b5e2ebd 2022-07-07 thomas
1644 56e0773d 2019-11-28 stsp if (*tree && (*tree)->nentries != nentries) {
1645 1e51f5b9 2018-04-23 stsp if (err == NULL)
1646 1e51f5b9 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1647 e033d803 2018-04-23 stsp got_object_tree_close(*tree);
1648 e033d803 2018-04-23 stsp *tree = NULL;
1649 ff6b18f8 2018-04-24 stsp }
1650 ff6b18f8 2018-04-24 stsp
1651 ff6b18f8 2018-04-24 stsp return err;
1652 ff6b18f8 2018-04-24 stsp }
1653 ff6b18f8 2018-04-24 stsp
1654 ff6b18f8 2018-04-24 stsp const struct got_error *
1655 ac544f8c 2019-01-13 stsp got_privsep_send_blob(struct imsgbuf *ibuf, size_t size, size_t hdrlen,
1656 ac544f8c 2019-01-13 stsp const uint8_t *data)
1657 ff6b18f8 2018-04-24 stsp {
1658 2967a784 2018-04-24 stsp struct got_imsg_blob iblob;
1659 2967a784 2018-04-24 stsp
1660 c26ee7ad 2022-06-23 thomas memset(&iblob, 0, sizeof(iblob));
1661 2967a784 2018-04-24 stsp iblob.size = size;
1662 ebc55e2d 2018-12-24 stsp iblob.hdrlen = hdrlen;
1663 2967a784 2018-04-24 stsp
1664 ac544f8c 2019-01-13 stsp if (data) {
1665 ac544f8c 2019-01-13 stsp uint8_t *buf;
1666 ac544f8c 2019-01-13 stsp
1667 ac544f8c 2019-01-13 stsp if (size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX)
1668 ac544f8c 2019-01-13 stsp return got_error(GOT_ERR_NO_SPACE);
1669 ac544f8c 2019-01-13 stsp
1670 ac544f8c 2019-01-13 stsp buf = malloc(sizeof(iblob) + size);
1671 ac544f8c 2019-01-13 stsp if (buf == NULL)
1672 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1673 ff6b18f8 2018-04-24 stsp
1674 ac544f8c 2019-01-13 stsp memcpy(buf, &iblob, sizeof(iblob));
1675 ac544f8c 2019-01-13 stsp memcpy(buf + sizeof(iblob), data, size);
1676 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, buf,
1677 62d463ca 2020-10-20 naddy sizeof(iblob) + size) == -1) {
1678 ac544f8c 2019-01-13 stsp free(buf);
1679 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1680 ac544f8c 2019-01-13 stsp }
1681 ac544f8c 2019-01-13 stsp free(buf);
1682 ac544f8c 2019-01-13 stsp } else {
1683 ac544f8c 2019-01-13 stsp /* Data has already been written to file descriptor. */
1684 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, &iblob,
1685 ac544f8c 2019-01-13 stsp sizeof(iblob)) == -1)
1686 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1687 ac544f8c 2019-01-13 stsp }
1688 ac544f8c 2019-01-13 stsp
1689 ac544f8c 2019-01-13 stsp
1690 ff6b18f8 2018-04-24 stsp return flush_imsg(ibuf);
1691 ff6b18f8 2018-04-24 stsp }
1692 ff6b18f8 2018-04-24 stsp
1693 ff6b18f8 2018-04-24 stsp const struct got_error *
1694 ac544f8c 2019-01-13 stsp got_privsep_recv_blob(uint8_t **outbuf, size_t *size, size_t *hdrlen,
1695 ac544f8c 2019-01-13 stsp struct imsgbuf *ibuf)
1696 ff6b18f8 2018-04-24 stsp {
1697 ff6b18f8 2018-04-24 stsp const struct got_error *err = NULL;
1698 ff6b18f8 2018-04-24 stsp struct imsg imsg;
1699 291624d8 2018-11-07 stsp struct got_imsg_blob *iblob;
1700 ff6b18f8 2018-04-24 stsp size_t datalen;
1701 ff6b18f8 2018-04-24 stsp
1702 ac544f8c 2019-01-13 stsp *outbuf = NULL;
1703 ac544f8c 2019-01-13 stsp
1704 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1705 ff6b18f8 2018-04-24 stsp if (err)
1706 ff6b18f8 2018-04-24 stsp return err;
1707 ff6b18f8 2018-04-24 stsp
1708 ff6b18f8 2018-04-24 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1709 ff6b18f8 2018-04-24 stsp
1710 ff6b18f8 2018-04-24 stsp switch (imsg.hdr.type) {
1711 ff6b18f8 2018-04-24 stsp case GOT_IMSG_BLOB:
1712 ac544f8c 2019-01-13 stsp if (datalen < sizeof(*iblob)) {
1713 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1714 18336eed 2018-11-04 stsp break;
1715 18336eed 2018-11-04 stsp }
1716 291624d8 2018-11-07 stsp iblob = imsg.data;
1717 291624d8 2018-11-07 stsp *size = iblob->size;
1718 ebc55e2d 2018-12-24 stsp *hdrlen = iblob->hdrlen;
1719 ac544f8c 2019-01-13 stsp
1720 ac544f8c 2019-01-13 stsp if (datalen == sizeof(*iblob)) {
1721 ac544f8c 2019-01-13 stsp /* Data has been written to file descriptor. */
1722 ac544f8c 2019-01-13 stsp break;
1723 ac544f8c 2019-01-13 stsp }
1724 ac544f8c 2019-01-13 stsp
1725 31d32634 2022-06-23 thomas if (*size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX ||
1726 31d32634 2022-06-23 thomas *size > datalen + sizeof(*iblob)) {
1727 ac544f8c 2019-01-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1728 ac544f8c 2019-01-13 stsp break;
1729 ac544f8c 2019-01-13 stsp }
1730 ac544f8c 2019-01-13 stsp
1731 ac544f8c 2019-01-13 stsp *outbuf = malloc(*size);
1732 ac544f8c 2019-01-13 stsp if (*outbuf == NULL) {
1733 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1734 ac544f8c 2019-01-13 stsp break;
1735 ac544f8c 2019-01-13 stsp }
1736 ac544f8c 2019-01-13 stsp memcpy(*outbuf, imsg.data + sizeof(*iblob), *size);
1737 f4a881ce 2018-11-17 stsp break;
1738 f4a881ce 2018-11-17 stsp default:
1739 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1740 f4a881ce 2018-11-17 stsp break;
1741 f4a881ce 2018-11-17 stsp }
1742 f4a881ce 2018-11-17 stsp
1743 f4a881ce 2018-11-17 stsp imsg_free(&imsg);
1744 f4a881ce 2018-11-17 stsp
1745 f4a881ce 2018-11-17 stsp return err;
1746 f4a881ce 2018-11-17 stsp }
1747 f4a881ce 2018-11-17 stsp
1748 f4a881ce 2018-11-17 stsp static const struct got_error *
1749 f4a881ce 2018-11-17 stsp send_tagmsg(struct imsgbuf *ibuf, struct got_tag_object *tag, size_t tagmsg_len)
1750 f4a881ce 2018-11-17 stsp {
1751 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1752 f4a881ce 2018-11-17 stsp size_t offset, remain;
1753 f4a881ce 2018-11-17 stsp
1754 f4a881ce 2018-11-17 stsp offset = 0;
1755 f4a881ce 2018-11-17 stsp remain = tagmsg_len;
1756 f4a881ce 2018-11-17 stsp while (remain > 0) {
1757 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1758 f4a881ce 2018-11-17 stsp
1759 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_TAGMSG, 0, 0, -1,
1760 f4a881ce 2018-11-17 stsp tag->tagmsg + offset, n) == -1) {
1761 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG_TAGMSG");
1762 f4a881ce 2018-11-17 stsp break;
1763 f4a881ce 2018-11-17 stsp }
1764 f4a881ce 2018-11-17 stsp
1765 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1766 f4a881ce 2018-11-17 stsp if (err)
1767 f4a881ce 2018-11-17 stsp break;
1768 f4a881ce 2018-11-17 stsp
1769 f4a881ce 2018-11-17 stsp offset += n;
1770 f4a881ce 2018-11-17 stsp remain -= n;
1771 f4a881ce 2018-11-17 stsp }
1772 f4a881ce 2018-11-17 stsp
1773 f4a881ce 2018-11-17 stsp return err;
1774 f4a881ce 2018-11-17 stsp }
1775 f4a881ce 2018-11-17 stsp
1776 f4a881ce 2018-11-17 stsp const struct got_error *
1777 f4a881ce 2018-11-17 stsp got_privsep_send_tag(struct imsgbuf *ibuf, struct got_tag_object *tag)
1778 f4a881ce 2018-11-17 stsp {
1779 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1780 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1781 f4a881ce 2018-11-17 stsp uint8_t *buf;
1782 f4a881ce 2018-11-17 stsp size_t len, total;
1783 f4a881ce 2018-11-17 stsp size_t tag_len = strlen(tag->tag);
1784 f4a881ce 2018-11-17 stsp size_t tagger_len = strlen(tag->tagger);
1785 f4a881ce 2018-11-17 stsp size_t tagmsg_len = strlen(tag->tagmsg);
1786 f4a881ce 2018-11-17 stsp
1787 f4a881ce 2018-11-17 stsp total = sizeof(*itag) + tag_len + tagger_len + tagmsg_len;
1788 f4a881ce 2018-11-17 stsp
1789 f4a881ce 2018-11-17 stsp buf = malloc(total);
1790 f4a881ce 2018-11-17 stsp if (buf == NULL)
1791 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1792 f4a881ce 2018-11-17 stsp
1793 f4a881ce 2018-11-17 stsp itag = (struct got_imsg_tag_object *)buf;
1794 f4a881ce 2018-11-17 stsp memcpy(itag->id, tag->id.sha1, sizeof(itag->id));
1795 f4a881ce 2018-11-17 stsp itag->obj_type = tag->obj_type;
1796 f4a881ce 2018-11-17 stsp itag->tag_len = tag_len;
1797 f4a881ce 2018-11-17 stsp itag->tagger_len = tagger_len;
1798 f4a881ce 2018-11-17 stsp itag->tagger_time = tag->tagger_time;
1799 f4a881ce 2018-11-17 stsp itag->tagger_gmtoff = tag->tagger_gmtoff;
1800 f4a881ce 2018-11-17 stsp itag->tagmsg_len = tagmsg_len;
1801 f4a881ce 2018-11-17 stsp
1802 f4a881ce 2018-11-17 stsp len = sizeof(*itag);
1803 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tag, tag_len);
1804 f4a881ce 2018-11-17 stsp len += tag_len;
1805 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tagger, tagger_len);
1806 f4a881ce 2018-11-17 stsp len += tagger_len;
1807 f4a881ce 2018-11-17 stsp
1808 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG, 0, 0, -1, buf, len) == -1) {
1809 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG");
1810 f4a881ce 2018-11-17 stsp goto done;
1811 f4a881ce 2018-11-17 stsp }
1812 f4a881ce 2018-11-17 stsp
1813 f4a881ce 2018-11-17 stsp if (tagmsg_len == 0 ||
1814 f4a881ce 2018-11-17 stsp tagmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1815 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1816 f4a881ce 2018-11-17 stsp if (err)
1817 f4a881ce 2018-11-17 stsp goto done;
1818 f4a881ce 2018-11-17 stsp }
1819 f4a881ce 2018-11-17 stsp err = send_tagmsg(ibuf, tag, tagmsg_len);
1820 f4a881ce 2018-11-17 stsp done:
1821 f4a881ce 2018-11-17 stsp free(buf);
1822 f4a881ce 2018-11-17 stsp return err;
1823 f4a881ce 2018-11-17 stsp }
1824 f4a881ce 2018-11-17 stsp
1825 f4a881ce 2018-11-17 stsp const struct got_error *
1826 f4a881ce 2018-11-17 stsp got_privsep_recv_tag(struct got_tag_object **tag, struct imsgbuf *ibuf)
1827 f4a881ce 2018-11-17 stsp {
1828 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1829 f4a881ce 2018-11-17 stsp struct imsg imsg;
1830 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1831 f4a881ce 2018-11-17 stsp size_t len, datalen;
1832 f4a881ce 2018-11-17 stsp const size_t min_datalen =
1833 f4a881ce 2018-11-17 stsp MIN(sizeof(struct got_imsg_error),
1834 f4a881ce 2018-11-17 stsp sizeof(struct got_imsg_tag_object));
1835 f4a881ce 2018-11-17 stsp
1836 f4a881ce 2018-11-17 stsp *tag = NULL;
1837 f4a881ce 2018-11-17 stsp
1838 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1839 f4a881ce 2018-11-17 stsp if (err)
1840 f4a881ce 2018-11-17 stsp return err;
1841 f4a881ce 2018-11-17 stsp
1842 f4a881ce 2018-11-17 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1843 f4a881ce 2018-11-17 stsp len = 0;
1844 f4a881ce 2018-11-17 stsp
1845 f4a881ce 2018-11-17 stsp switch (imsg.hdr.type) {
1846 f4a881ce 2018-11-17 stsp case GOT_IMSG_TAG:
1847 f4a881ce 2018-11-17 stsp if (datalen < sizeof(*itag)) {
1848 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1849 f4a881ce 2018-11-17 stsp break;
1850 f4a881ce 2018-11-17 stsp }
1851 f4a881ce 2018-11-17 stsp itag = imsg.data;
1852 f4a881ce 2018-11-17 stsp if (datalen != sizeof(*itag) + itag->tag_len +
1853 f4a881ce 2018-11-17 stsp itag->tagger_len) {
1854 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1855 f4a881ce 2018-11-17 stsp break;
1856 f4a881ce 2018-11-17 stsp }
1857 f4a881ce 2018-11-17 stsp len += sizeof(*itag);
1858 f4a881ce 2018-11-17 stsp
1859 f4a881ce 2018-11-17 stsp *tag = calloc(1, sizeof(**tag));
1860 f4a881ce 2018-11-17 stsp if (*tag == NULL) {
1861 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
1862 f4a881ce 2018-11-17 stsp break;
1863 f4a881ce 2018-11-17 stsp }
1864 f4a881ce 2018-11-17 stsp
1865 f4a881ce 2018-11-17 stsp memcpy((*tag)->id.sha1, itag->id, SHA1_DIGEST_LENGTH);
1866 f4a881ce 2018-11-17 stsp
1867 79b7acf3 2022-06-23 thomas (*tag)->tag = strndup(imsg.data + len, itag->tag_len);
1868 79b7acf3 2022-06-23 thomas if ((*tag)->tag == NULL) {
1869 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1870 79b7acf3 2022-06-23 thomas break;
1871 f4a881ce 2018-11-17 stsp }
1872 f4a881ce 2018-11-17 stsp len += itag->tag_len;
1873 f4a881ce 2018-11-17 stsp
1874 f4a881ce 2018-11-17 stsp (*tag)->obj_type = itag->obj_type;
1875 f4a881ce 2018-11-17 stsp (*tag)->tagger_time = itag->tagger_time;
1876 f4a881ce 2018-11-17 stsp (*tag)->tagger_gmtoff = itag->tagger_gmtoff;
1877 f4a881ce 2018-11-17 stsp
1878 79b7acf3 2022-06-23 thomas (*tag)->tagger = strndup(imsg.data + len, itag->tagger_len);
1879 79b7acf3 2022-06-23 thomas if ((*tag)->tagger == NULL) {
1880 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1881 79b7acf3 2022-06-23 thomas break;
1882 f4a881ce 2018-11-17 stsp }
1883 f4a881ce 2018-11-17 stsp len += itag->tagger_len;
1884 f4a881ce 2018-11-17 stsp
1885 f4a881ce 2018-11-17 stsp if (itag->tagmsg_len == 0) {
1886 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = strdup("");
1887 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1888 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1889 f4a881ce 2018-11-17 stsp break;
1890 f4a881ce 2018-11-17 stsp }
1891 f4a881ce 2018-11-17 stsp } else {
1892 f4a881ce 2018-11-17 stsp size_t offset = 0, remain = itag->tagmsg_len;
1893 f4a881ce 2018-11-17 stsp
1894 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = malloc(itag->tagmsg_len + 1);
1895 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1896 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1897 f4a881ce 2018-11-17 stsp break;
1898 f4a881ce 2018-11-17 stsp }
1899 f4a881ce 2018-11-17 stsp while (remain > 0) {
1900 f4a881ce 2018-11-17 stsp struct imsg imsg_log;
1901 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1902 f4a881ce 2018-11-17 stsp remain);
1903 f4a881ce 2018-11-17 stsp
1904 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1905 f4a881ce 2018-11-17 stsp if (err)
1906 f4a881ce 2018-11-17 stsp return err;
1907 f4a881ce 2018-11-17 stsp
1908 f4a881ce 2018-11-17 stsp if (imsg_log.hdr.type != GOT_IMSG_TAG_TAGMSG)
1909 f4a881ce 2018-11-17 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
1910 f4a881ce 2018-11-17 stsp
1911 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagmsg + offset, imsg_log.data,
1912 f4a881ce 2018-11-17 stsp n);
1913 f4a881ce 2018-11-17 stsp imsg_free(&imsg_log);
1914 f4a881ce 2018-11-17 stsp offset += n;
1915 f4a881ce 2018-11-17 stsp remain -= n;
1916 f4a881ce 2018-11-17 stsp }
1917 f4a881ce 2018-11-17 stsp (*tag)->tagmsg[itag->tagmsg_len] = '\0';
1918 f4a881ce 2018-11-17 stsp }
1919 f4a881ce 2018-11-17 stsp
1920 ff6b18f8 2018-04-24 stsp break;
1921 ff6b18f8 2018-04-24 stsp default:
1922 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1923 ff6b18f8 2018-04-24 stsp break;
1924 e033d803 2018-04-23 stsp }
1925 e033d803 2018-04-23 stsp
1926 ff6b18f8 2018-04-24 stsp imsg_free(&imsg);
1927 ff6b18f8 2018-04-24 stsp
1928 2178c42e 2018-04-22 stsp return err;
1929 2178c42e 2018-04-22 stsp }
1930 876c234b 2018-09-10 stsp
1931 876c234b 2018-09-10 stsp const struct got_error *
1932 876c234b 2018-09-10 stsp got_privsep_init_pack_child(struct imsgbuf *ibuf, struct got_pack *pack,
1933 876c234b 2018-09-10 stsp struct got_packidx *packidx)
1934 876c234b 2018-09-10 stsp {
1935 41496140 2019-02-21 stsp const struct got_error *err = NULL;
1936 876c234b 2018-09-10 stsp struct got_imsg_packidx ipackidx;
1937 876c234b 2018-09-10 stsp struct got_imsg_pack ipack;
1938 876c234b 2018-09-10 stsp int fd;
1939 876c234b 2018-09-10 stsp
1940 c26ee7ad 2022-06-23 thomas memset(&ipackidx, 0, sizeof(ipackidx));
1941 c26ee7ad 2022-06-23 thomas memset(&ipack, 0, sizeof(ipack));
1942 c26ee7ad 2022-06-23 thomas
1943 876c234b 2018-09-10 stsp ipackidx.len = packidx->len;
1944 c3564dfa 2021-07-15 stsp ipackidx.packfile_size = pack->filesize;
1945 876c234b 2018-09-10 stsp fd = dup(packidx->fd);
1946 876c234b 2018-09-10 stsp if (fd == -1)
1947 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1948 876c234b 2018-09-10 stsp
1949 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKIDX, 0, 0, fd, &ipackidx,
1950 41496140 2019-02-21 stsp sizeof(ipackidx)) == -1) {
1951 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACKIDX");
1952 41496140 2019-02-21 stsp close(fd);
1953 41496140 2019-02-21 stsp return err;
1954 41496140 2019-02-21 stsp }
1955 876c234b 2018-09-10 stsp
1956 876c234b 2018-09-10 stsp if (strlcpy(ipack.path_packfile, pack->path_packfile,
1957 876c234b 2018-09-10 stsp sizeof(ipack.path_packfile)) >= sizeof(ipack.path_packfile))
1958 876c234b 2018-09-10 stsp return got_error(GOT_ERR_NO_SPACE);
1959 876c234b 2018-09-10 stsp ipack.filesize = pack->filesize;
1960 876c234b 2018-09-10 stsp
1961 876c234b 2018-09-10 stsp fd = dup(pack->fd);
1962 876c234b 2018-09-10 stsp if (fd == -1)
1963 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1964 876c234b 2018-09-10 stsp
1965 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACK, 0, 0, fd, &ipack, sizeof(ipack))
1966 41496140 2019-02-21 stsp == -1) {
1967 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACK");
1968 41496140 2019-02-21 stsp close(fd);
1969 41496140 2019-02-21 stsp return err;
1970 41496140 2019-02-21 stsp }
1971 876c234b 2018-09-10 stsp
1972 876c234b 2018-09-10 stsp return flush_imsg(ibuf);
1973 876c234b 2018-09-10 stsp }
1974 876c234b 2018-09-10 stsp
1975 876c234b 2018-09-10 stsp const struct got_error *
1976 106807b4 2018-09-15 stsp got_privsep_send_packed_obj_req(struct imsgbuf *ibuf, int idx,
1977 106807b4 2018-09-15 stsp struct got_object_id *id)
1978 876c234b 2018-09-10 stsp {
1979 876c234b 2018-09-10 stsp struct got_imsg_packed_object iobj;
1980 876c234b 2018-09-10 stsp
1981 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
1982 876c234b 2018-09-10 stsp iobj.idx = idx;
1983 106807b4 2018-09-15 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
1984 876c234b 2018-09-10 stsp
1985 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_OBJECT_REQUEST, 0, 0, -1,
1986 876c234b 2018-09-10 stsp &iobj, sizeof(iobj)) == -1)
1987 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose "
1988 230a42bd 2019-05-11 jcs "PACKED_OBJECT_REQUEST");
1989 aba9c984 2019-09-08 stsp
1990 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1991 aba9c984 2019-09-08 stsp }
1992 aba9c984 2019-09-08 stsp
1993 aba9c984 2019-09-08 stsp const struct got_error *
1994 59d1e4a0 2021-03-10 stsp got_privsep_send_packed_raw_obj_req(struct imsgbuf *ibuf, int idx,
1995 59d1e4a0 2021-03-10 stsp struct got_object_id *id)
1996 59d1e4a0 2021-03-10 stsp {
1997 59d1e4a0 2021-03-10 stsp struct got_imsg_packed_object iobj;
1998 59d1e4a0 2021-03-10 stsp
1999 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
2000 59d1e4a0 2021-03-10 stsp iobj.idx = idx;
2001 59d1e4a0 2021-03-10 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
2002 59d1e4a0 2021-03-10 stsp
2003 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_RAW_OBJECT_REQUEST, 0, 0, -1,
2004 59d1e4a0 2021-03-10 stsp &iobj, sizeof(iobj)) == -1)
2005 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose "
2006 59d1e4a0 2021-03-10 stsp "PACKED_OBJECT_REQUEST");
2007 59d1e4a0 2021-03-10 stsp
2008 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
2009 59d1e4a0 2021-03-10 stsp }
2010 59d1e4a0 2021-03-10 stsp
2011 59d1e4a0 2021-03-10 stsp const struct got_error *
2012 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_parse_req(struct imsgbuf *ibuf, int fd)
2013 aba9c984 2019-09-08 stsp {
2014 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2015 aba9c984 2019-09-08 stsp
2016 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_PARSE_REQUEST, 0, 0, fd,
2017 aba9c984 2019-09-08 stsp NULL, 0) == -1) {
2018 aba9c984 2019-09-08 stsp err = got_error_from_errno("imsg_compose "
2019 aba9c984 2019-09-08 stsp "GITCONFIG_PARSE_REQUEST");
2020 aba9c984 2019-09-08 stsp close(fd);
2021 aba9c984 2019-09-08 stsp return err;
2022 aba9c984 2019-09-08 stsp }
2023 aba9c984 2019-09-08 stsp
2024 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2025 aba9c984 2019-09-08 stsp }
2026 aba9c984 2019-09-08 stsp
2027 aba9c984 2019-09-08 stsp const struct got_error *
2028 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_repository_format_version_req(struct imsgbuf *ibuf)
2029 aba9c984 2019-09-08 stsp {
2030 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2031 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST, 0, 0, -1,
2032 aba9c984 2019-09-08 stsp NULL, 0) == -1)
2033 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2034 aba9c984 2019-09-08 stsp "GITCONFIG_REPOSITORY_FORMAT_VERSION_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 20b7abb3 2020-10-22 stsp got_privsep_send_gitconfig_repository_extensions_req(struct imsgbuf *ibuf)
2041 20b7abb3 2020-10-22 stsp {
2042 20b7abb3 2020-10-22 stsp if (imsg_compose(ibuf,
2043 20b7abb3 2020-10-22 stsp GOT_IMSG_GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST, 0, 0, -1,
2044 20b7abb3 2020-10-22 stsp NULL, 0) == -1)
2045 20b7abb3 2020-10-22 stsp return got_error_from_errno("imsg_compose "
2046 20b7abb3 2020-10-22 stsp "GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST");
2047 20b7abb3 2020-10-22 stsp
2048 20b7abb3 2020-10-22 stsp return flush_imsg(ibuf);
2049 20b7abb3 2020-10-22 stsp }
2050 20b7abb3 2020-10-22 stsp
2051 20b7abb3 2020-10-22 stsp
2052 20b7abb3 2020-10-22 stsp const struct got_error *
2053 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_name_req(struct imsgbuf *ibuf)
2054 aba9c984 2019-09-08 stsp {
2055 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2056 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_NAME_REQUEST, 0, 0, -1, NULL, 0) == -1)
2057 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2058 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_NAME_REQUEST");
2059 aba9c984 2019-09-08 stsp
2060 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2061 aba9c984 2019-09-08 stsp }
2062 aba9c984 2019-09-08 stsp
2063 aba9c984 2019-09-08 stsp const struct got_error *
2064 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_email_req(struct imsgbuf *ibuf)
2065 aba9c984 2019-09-08 stsp {
2066 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2067 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_EMAIL_REQUEST, 0, 0, -1, NULL, 0) == -1)
2068 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2069 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_EMAIL_REQUEST");
2070 cd95becd 2019-11-29 stsp
2071 cd95becd 2019-11-29 stsp return flush_imsg(ibuf);
2072 cd95becd 2019-11-29 stsp }
2073 cd95becd 2019-11-29 stsp
2074 cd95becd 2019-11-29 stsp const struct got_error *
2075 cd95becd 2019-11-29 stsp got_privsep_send_gitconfig_remotes_req(struct imsgbuf *ibuf)
2076 cd95becd 2019-11-29 stsp {
2077 cd95becd 2019-11-29 stsp if (imsg_compose(ibuf,
2078 cd95becd 2019-11-29 stsp GOT_IMSG_GITCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2079 cd95becd 2019-11-29 stsp return got_error_from_errno("imsg_compose "
2080 cd95becd 2019-11-29 stsp "GITCONFIG_REMOTE_REQUEST");
2081 aba9c984 2019-09-08 stsp
2082 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2083 aba9c984 2019-09-08 stsp }
2084 aba9c984 2019-09-08 stsp
2085 aba9c984 2019-09-08 stsp const struct got_error *
2086 9a1cc63f 2020-02-03 stsp got_privsep_send_gitconfig_owner_req(struct imsgbuf *ibuf)
2087 9a1cc63f 2020-02-03 stsp {
2088 9a1cc63f 2020-02-03 stsp if (imsg_compose(ibuf,
2089 9a1cc63f 2020-02-03 stsp GOT_IMSG_GITCONFIG_OWNER_REQUEST, 0, 0, -1, NULL, 0) == -1)
2090 9a1cc63f 2020-02-03 stsp return got_error_from_errno("imsg_compose "
2091 9a1cc63f 2020-02-03 stsp "GITCONFIG_OWNER_REQUEST");
2092 9a1cc63f 2020-02-03 stsp
2093 9a1cc63f 2020-02-03 stsp return flush_imsg(ibuf);
2094 9a1cc63f 2020-02-03 stsp }
2095 9a1cc63f 2020-02-03 stsp
2096 9a1cc63f 2020-02-03 stsp const struct got_error *
2097 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_str(char **str, struct imsgbuf *ibuf)
2098 aba9c984 2019-09-08 stsp {
2099 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2100 aba9c984 2019-09-08 stsp struct imsg imsg;
2101 aba9c984 2019-09-08 stsp size_t datalen;
2102 aba9c984 2019-09-08 stsp
2103 aba9c984 2019-09-08 stsp *str = NULL;
2104 aba9c984 2019-09-08 stsp
2105 12a8238e 2022-06-23 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2106 aba9c984 2019-09-08 stsp if (err)
2107 aba9c984 2019-09-08 stsp return err;
2108 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2109 aba9c984 2019-09-08 stsp
2110 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2111 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_STR_VAL:
2112 aba9c984 2019-09-08 stsp if (datalen == 0)
2113 aba9c984 2019-09-08 stsp break;
2114 6c13dcd2 2020-09-18 stsp /* datalen does not include terminating \0 */
2115 6c13dcd2 2020-09-18 stsp *str = malloc(datalen + 1);
2116 aba9c984 2019-09-08 stsp if (*str == NULL) {
2117 aba9c984 2019-09-08 stsp err = got_error_from_errno("malloc");
2118 aba9c984 2019-09-08 stsp break;
2119 aba9c984 2019-09-08 stsp }
2120 6c13dcd2 2020-09-18 stsp memcpy(*str, imsg.data, datalen);
2121 6c13dcd2 2020-09-18 stsp (*str)[datalen] = '\0';
2122 aba9c984 2019-09-08 stsp break;
2123 aba9c984 2019-09-08 stsp default:
2124 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2125 aba9c984 2019-09-08 stsp break;
2126 aba9c984 2019-09-08 stsp }
2127 876c234b 2018-09-10 stsp
2128 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2129 aba9c984 2019-09-08 stsp return err;
2130 aba9c984 2019-09-08 stsp }
2131 aba9c984 2019-09-08 stsp
2132 aba9c984 2019-09-08 stsp const struct got_error *
2133 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_int(int *val, struct imsgbuf *ibuf)
2134 aba9c984 2019-09-08 stsp {
2135 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2136 aba9c984 2019-09-08 stsp struct imsg imsg;
2137 aba9c984 2019-09-08 stsp size_t datalen;
2138 aba9c984 2019-09-08 stsp const size_t min_datalen =
2139 aba9c984 2019-09-08 stsp MIN(sizeof(struct got_imsg_error), sizeof(int));
2140 aba9c984 2019-09-08 stsp
2141 aba9c984 2019-09-08 stsp *val = 0;
2142 aba9c984 2019-09-08 stsp
2143 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2144 aba9c984 2019-09-08 stsp if (err)
2145 aba9c984 2019-09-08 stsp return err;
2146 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2147 aba9c984 2019-09-08 stsp
2148 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2149 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_INT_VAL:
2150 aba9c984 2019-09-08 stsp if (datalen != sizeof(*val)) {
2151 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2152 aba9c984 2019-09-08 stsp break;
2153 aba9c984 2019-09-08 stsp }
2154 aba9c984 2019-09-08 stsp memcpy(val, imsg.data, sizeof(*val));
2155 cd95becd 2019-11-29 stsp break;
2156 cd95becd 2019-11-29 stsp default:
2157 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2158 cd95becd 2019-11-29 stsp break;
2159 cd95becd 2019-11-29 stsp }
2160 cd95becd 2019-11-29 stsp
2161 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2162 cd95becd 2019-11-29 stsp return err;
2163 b8adfa55 2020-09-25 stsp }
2164 b8adfa55 2020-09-25 stsp
2165 b8adfa55 2020-09-25 stsp static void
2166 b8adfa55 2020-09-25 stsp free_remote_data(struct got_remote_repo *remote)
2167 b8adfa55 2020-09-25 stsp {
2168 b8adfa55 2020-09-25 stsp int i;
2169 b8adfa55 2020-09-25 stsp
2170 b8adfa55 2020-09-25 stsp free(remote->name);
2171 6480c871 2021-08-30 stsp free(remote->fetch_url);
2172 6480c871 2021-08-30 stsp free(remote->send_url);
2173 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_branches; i++)
2174 6480c871 2021-08-30 stsp free(remote->fetch_branches[i]);
2175 6480c871 2021-08-30 stsp free(remote->fetch_branches);
2176 6480c871 2021-08-30 stsp for (i = 0; i < remote->nsend_branches; i++)
2177 6480c871 2021-08-30 stsp free(remote->send_branches[i]);
2178 6480c871 2021-08-30 stsp free(remote->send_branches);
2179 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_refs; i++)
2180 6480c871 2021-08-30 stsp free(remote->fetch_refs[i]);
2181 6480c871 2021-08-30 stsp free(remote->fetch_refs);
2182 cd95becd 2019-11-29 stsp }
2183 cd95becd 2019-11-29 stsp
2184 cd95becd 2019-11-29 stsp const struct got_error *
2185 cd95becd 2019-11-29 stsp got_privsep_recv_gitconfig_remotes(struct got_remote_repo **remotes,
2186 cd95becd 2019-11-29 stsp int *nremotes, struct imsgbuf *ibuf)
2187 cd95becd 2019-11-29 stsp {
2188 cd95becd 2019-11-29 stsp const struct got_error *err = NULL;
2189 cd95becd 2019-11-29 stsp struct imsg imsg;
2190 cd95becd 2019-11-29 stsp size_t datalen;
2191 cd95becd 2019-11-29 stsp struct got_imsg_remotes iremotes;
2192 cd95becd 2019-11-29 stsp struct got_imsg_remote iremote;
2193 cd95becd 2019-11-29 stsp
2194 cd95becd 2019-11-29 stsp *remotes = NULL;
2195 cd95becd 2019-11-29 stsp *nremotes = 0;
2196 d669b9c9 2020-02-22 stsp iremotes.nremotes = 0;
2197 cd95becd 2019-11-29 stsp
2198 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremotes));
2199 cd95becd 2019-11-29 stsp if (err)
2200 cd95becd 2019-11-29 stsp return err;
2201 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2202 cd95becd 2019-11-29 stsp
2203 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2204 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTES:
2205 cd95becd 2019-11-29 stsp if (datalen != sizeof(iremotes)) {
2206 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2207 cd95becd 2019-11-29 stsp break;
2208 cd95becd 2019-11-29 stsp }
2209 cd95becd 2019-11-29 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2210 cd95becd 2019-11-29 stsp if (iremotes.nremotes == 0) {
2211 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2212 cd95becd 2019-11-29 stsp return NULL;
2213 cd95becd 2019-11-29 stsp }
2214 aba9c984 2019-09-08 stsp break;
2215 aba9c984 2019-09-08 stsp default:
2216 54b1c5b5 2020-02-22 stsp imsg_free(&imsg);
2217 54b1c5b5 2020-02-22 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2218 aba9c984 2019-09-08 stsp }
2219 aba9c984 2019-09-08 stsp
2220 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2221 cd95becd 2019-11-29 stsp
2222 5146eb39 2020-03-20 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2223 cd95becd 2019-11-29 stsp if (*remotes == NULL)
2224 cd95becd 2019-11-29 stsp return got_error_from_errno("recallocarray");
2225 cd95becd 2019-11-29 stsp
2226 cd95becd 2019-11-29 stsp while (*nremotes < iremotes.nremotes) {
2227 cd95becd 2019-11-29 stsp struct got_remote_repo *remote;
2228 3168e5da 2020-09-10 stsp
2229 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremote));
2230 cd95becd 2019-11-29 stsp if (err)
2231 cd95becd 2019-11-29 stsp break;
2232 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2233 cd95becd 2019-11-29 stsp
2234 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2235 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTE:
2236 cd95becd 2019-11-29 stsp remote = &(*remotes)[*nremotes];
2237 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2238 cd95becd 2019-11-29 stsp if (datalen < sizeof(iremote)) {
2239 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2240 cd95becd 2019-11-29 stsp break;
2241 cd95becd 2019-11-29 stsp }
2242 cd95becd 2019-11-29 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2243 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2244 6480c871 2021-08-30 stsp iremote.fetch_url_len == 0 ||
2245 6480c871 2021-08-30 stsp iremote.send_url_len == 0 ||
2246 cd95becd 2019-11-29 stsp (sizeof(iremote) + iremote.name_len +
2247 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) > datalen) {
2248 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2249 cd95becd 2019-11-29 stsp break;
2250 cd95becd 2019-11-29 stsp }
2251 cd95becd 2019-11-29 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2252 cd95becd 2019-11-29 stsp iremote.name_len);
2253 cd95becd 2019-11-29 stsp if (remote->name == NULL) {
2254 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2255 cd95becd 2019-11-29 stsp break;
2256 cd95becd 2019-11-29 stsp }
2257 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data + sizeof(iremote) +
2258 6480c871 2021-08-30 stsp iremote.name_len, iremote.fetch_url_len);
2259 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2260 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2261 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2262 cd95becd 2019-11-29 stsp break;
2263 cd95becd 2019-11-29 stsp }
2264 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data + sizeof(iremote) +
2265 6480c871 2021-08-30 stsp iremote.name_len + iremote.fetch_url_len,
2266 6480c871 2021-08-30 stsp iremote.send_url_len);
2267 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2268 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2269 6480c871 2021-08-30 stsp free_remote_data(remote);
2270 6480c871 2021-08-30 stsp break;
2271 6480c871 2021-08-30 stsp }
2272 469dd726 2020-03-20 stsp remote->mirror_references = iremote.mirror_references;
2273 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2274 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2275 6480c871 2021-08-30 stsp remote->fetch_branches = NULL;
2276 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2277 6480c871 2021-08-30 stsp remote->send_branches = NULL;
2278 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2279 6480c871 2021-08-30 stsp remote->fetch_refs = NULL;
2280 cd95becd 2019-11-29 stsp (*nremotes)++;
2281 cd95becd 2019-11-29 stsp break;
2282 cd95becd 2019-11-29 stsp default:
2283 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2284 cd95becd 2019-11-29 stsp break;
2285 cd95becd 2019-11-29 stsp }
2286 cd95becd 2019-11-29 stsp
2287 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2288 cd95becd 2019-11-29 stsp if (err)
2289 cd95becd 2019-11-29 stsp break;
2290 cd95becd 2019-11-29 stsp }
2291 cd95becd 2019-11-29 stsp
2292 cd95becd 2019-11-29 stsp if (err) {
2293 cd95becd 2019-11-29 stsp int i;
2294 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2295 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2296 cd95becd 2019-11-29 stsp free(*remotes);
2297 cd95becd 2019-11-29 stsp *remotes = NULL;
2298 cd95becd 2019-11-29 stsp *nremotes = 0;
2299 cd95becd 2019-11-29 stsp }
2300 aba9c984 2019-09-08 stsp return err;
2301 257add31 2020-09-09 stsp }
2302 257add31 2020-09-09 stsp
2303 257add31 2020-09-09 stsp const struct got_error *
2304 257add31 2020-09-09 stsp got_privsep_send_gotconfig_parse_req(struct imsgbuf *ibuf, int fd)
2305 257add31 2020-09-09 stsp {
2306 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2307 257add31 2020-09-09 stsp
2308 257add31 2020-09-09 stsp if (imsg_compose(ibuf, GOT_IMSG_GOTCONFIG_PARSE_REQUEST, 0, 0, fd,
2309 257add31 2020-09-09 stsp NULL, 0) == -1) {
2310 257add31 2020-09-09 stsp err = got_error_from_errno("imsg_compose "
2311 257add31 2020-09-09 stsp "GOTCONFIG_PARSE_REQUEST");
2312 257add31 2020-09-09 stsp close(fd);
2313 257add31 2020-09-09 stsp return err;
2314 257add31 2020-09-09 stsp }
2315 257add31 2020-09-09 stsp
2316 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2317 257add31 2020-09-09 stsp }
2318 257add31 2020-09-09 stsp
2319 257add31 2020-09-09 stsp const struct got_error *
2320 257add31 2020-09-09 stsp got_privsep_send_gotconfig_author_req(struct imsgbuf *ibuf)
2321 257add31 2020-09-09 stsp {
2322 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2323 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_AUTHOR_REQUEST, 0, 0, -1, NULL, 0) == -1)
2324 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2325 257add31 2020-09-09 stsp "GOTCONFIG_AUTHOR_REQUEST");
2326 871bd038 2022-07-03 thomas
2327 871bd038 2022-07-03 thomas return flush_imsg(ibuf);
2328 871bd038 2022-07-03 thomas }
2329 871bd038 2022-07-03 thomas
2330 871bd038 2022-07-03 thomas const struct got_error *
2331 871bd038 2022-07-03 thomas got_privsep_send_gotconfig_allowed_signers_req(struct imsgbuf *ibuf)
2332 871bd038 2022-07-03 thomas {
2333 871bd038 2022-07-03 thomas if (imsg_compose(ibuf,
2334 871bd038 2022-07-03 thomas GOT_IMSG_GOTCONFIG_ALLOWEDSIGNERS_REQUEST, 0, 0, -1, NULL, 0) == -1)
2335 871bd038 2022-07-03 thomas return got_error_from_errno("imsg_compose "
2336 871bd038 2022-07-03 thomas "GOTCONFIG_ALLOWEDSIGNERS_REQUEST");
2337 871bd038 2022-07-03 thomas
2338 871bd038 2022-07-03 thomas return flush_imsg(ibuf);
2339 871bd038 2022-07-03 thomas }
2340 871bd038 2022-07-03 thomas
2341 871bd038 2022-07-03 thomas const struct got_error *
2342 871bd038 2022-07-03 thomas got_privsep_send_gotconfig_revoked_signers_req(struct imsgbuf *ibuf)
2343 871bd038 2022-07-03 thomas {
2344 871bd038 2022-07-03 thomas if (imsg_compose(ibuf,
2345 871bd038 2022-07-03 thomas GOT_IMSG_GOTCONFIG_REVOKEDSIGNERS_REQUEST, 0, 0, -1, NULL, 0) == -1)
2346 871bd038 2022-07-03 thomas return got_error_from_errno("imsg_compose "
2347 871bd038 2022-07-03 thomas "GOTCONFIG_REVOKEDSIGNERS_REQUEST");
2348 257add31 2020-09-09 stsp
2349 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2350 ca6e02ac 2020-01-07 stsp }
2351 ca6e02ac 2020-01-07 stsp
2352 ca6e02ac 2020-01-07 stsp const struct got_error *
2353 ff5e1f09 2022-07-06 thomas got_privsep_send_gotconfig_signer_id_req(struct imsgbuf *ibuf)
2354 ff5e1f09 2022-07-06 thomas {
2355 ff5e1f09 2022-07-06 thomas if (imsg_compose(ibuf,
2356 ff5e1f09 2022-07-06 thomas GOT_IMSG_GOTCONFIG_SIGNERID_REQUEST, 0, 0, -1, NULL, 0) == -1)
2357 ff5e1f09 2022-07-06 thomas return got_error_from_errno("imsg_compose "
2358 ff5e1f09 2022-07-06 thomas "GOTCONFIG_SIGNERID_REQUEST");
2359 ff5e1f09 2022-07-06 thomas
2360 ff5e1f09 2022-07-06 thomas return flush_imsg(ibuf);
2361 ff5e1f09 2022-07-06 thomas }
2362 ff5e1f09 2022-07-06 thomas
2363 ff5e1f09 2022-07-06 thomas const struct got_error *
2364 257add31 2020-09-09 stsp got_privsep_send_gotconfig_remotes_req(struct imsgbuf *ibuf)
2365 257add31 2020-09-09 stsp {
2366 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2367 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2368 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2369 257add31 2020-09-09 stsp "GOTCONFIG_REMOTE_REQUEST");
2370 257add31 2020-09-09 stsp
2371 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2372 257add31 2020-09-09 stsp }
2373 257add31 2020-09-09 stsp
2374 257add31 2020-09-09 stsp const struct got_error *
2375 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_str(char **str, struct imsgbuf *ibuf)
2376 257add31 2020-09-09 stsp {
2377 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2378 257add31 2020-09-09 stsp struct imsg imsg;
2379 257add31 2020-09-09 stsp size_t datalen;
2380 257add31 2020-09-09 stsp
2381 257add31 2020-09-09 stsp *str = NULL;
2382 257add31 2020-09-09 stsp
2383 12a8238e 2022-06-23 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2384 257add31 2020-09-09 stsp if (err)
2385 257add31 2020-09-09 stsp return err;
2386 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2387 257add31 2020-09-09 stsp
2388 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2389 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_STR_VAL:
2390 257add31 2020-09-09 stsp if (datalen == 0)
2391 257add31 2020-09-09 stsp break;
2392 5874ea87 2020-09-18 stsp /* datalen does not include terminating \0 */
2393 5874ea87 2020-09-18 stsp *str = malloc(datalen + 1);
2394 257add31 2020-09-09 stsp if (*str == NULL) {
2395 257add31 2020-09-09 stsp err = got_error_from_errno("malloc");
2396 257add31 2020-09-09 stsp break;
2397 257add31 2020-09-09 stsp }
2398 5874ea87 2020-09-18 stsp memcpy(*str, imsg.data, datalen);
2399 5874ea87 2020-09-18 stsp (*str)[datalen] = '\0';
2400 257add31 2020-09-09 stsp break;
2401 257add31 2020-09-09 stsp default:
2402 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2403 257add31 2020-09-09 stsp break;
2404 257add31 2020-09-09 stsp }
2405 257add31 2020-09-09 stsp
2406 257add31 2020-09-09 stsp imsg_free(&imsg);
2407 257add31 2020-09-09 stsp return err;
2408 257add31 2020-09-09 stsp }
2409 257add31 2020-09-09 stsp
2410 257add31 2020-09-09 stsp const struct got_error *
2411 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_remotes(struct got_remote_repo **remotes,
2412 257add31 2020-09-09 stsp int *nremotes, struct imsgbuf *ibuf)
2413 257add31 2020-09-09 stsp {
2414 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2415 257add31 2020-09-09 stsp struct imsg imsg;
2416 257add31 2020-09-09 stsp size_t datalen;
2417 257add31 2020-09-09 stsp struct got_imsg_remotes iremotes;
2418 257add31 2020-09-09 stsp struct got_imsg_remote iremote;
2419 257add31 2020-09-09 stsp const size_t min_datalen =
2420 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremotes));
2421 257add31 2020-09-09 stsp
2422 257add31 2020-09-09 stsp *remotes = NULL;
2423 257add31 2020-09-09 stsp *nremotes = 0;
2424 257add31 2020-09-09 stsp iremotes.nremotes = 0;
2425 257add31 2020-09-09 stsp
2426 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2427 257add31 2020-09-09 stsp if (err)
2428 257add31 2020-09-09 stsp return err;
2429 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2430 257add31 2020-09-09 stsp
2431 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2432 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTES:
2433 257add31 2020-09-09 stsp if (datalen != sizeof(iremotes)) {
2434 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2435 257add31 2020-09-09 stsp break;
2436 257add31 2020-09-09 stsp }
2437 257add31 2020-09-09 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2438 31d32634 2022-06-23 thomas if (iremotes.nremotes < 0) {
2439 31d32634 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2440 31d32634 2022-06-23 thomas break;
2441 31d32634 2022-06-23 thomas }
2442 257add31 2020-09-09 stsp if (iremotes.nremotes == 0) {
2443 257add31 2020-09-09 stsp imsg_free(&imsg);
2444 257add31 2020-09-09 stsp return NULL;
2445 257add31 2020-09-09 stsp }
2446 257add31 2020-09-09 stsp break;
2447 257add31 2020-09-09 stsp default:
2448 257add31 2020-09-09 stsp imsg_free(&imsg);
2449 257add31 2020-09-09 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2450 257add31 2020-09-09 stsp }
2451 257add31 2020-09-09 stsp
2452 257add31 2020-09-09 stsp imsg_free(&imsg);
2453 257add31 2020-09-09 stsp
2454 257add31 2020-09-09 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2455 257add31 2020-09-09 stsp if (*remotes == NULL)
2456 257add31 2020-09-09 stsp return got_error_from_errno("recallocarray");
2457 257add31 2020-09-09 stsp
2458 257add31 2020-09-09 stsp while (*nremotes < iremotes.nremotes) {
2459 257add31 2020-09-09 stsp struct got_remote_repo *remote;
2460 257add31 2020-09-09 stsp const size_t min_datalen =
2461 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremote));
2462 b8adfa55 2020-09-25 stsp int i;
2463 257add31 2020-09-09 stsp
2464 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2465 257add31 2020-09-09 stsp if (err)
2466 257add31 2020-09-09 stsp break;
2467 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2468 257add31 2020-09-09 stsp
2469 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2470 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTE:
2471 257add31 2020-09-09 stsp remote = &(*remotes)[*nremotes];
2472 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2473 257add31 2020-09-09 stsp if (datalen < sizeof(iremote)) {
2474 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2475 257add31 2020-09-09 stsp break;
2476 257add31 2020-09-09 stsp }
2477 257add31 2020-09-09 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2478 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2479 6480c871 2021-08-30 stsp (iremote.fetch_url_len == 0 &&
2480 6480c871 2021-08-30 stsp iremote.send_url_len == 0) ||
2481 257add31 2020-09-09 stsp (sizeof(iremote) + iremote.name_len +
2482 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) >
2483 6480c871 2021-08-30 stsp datalen) {
2484 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2485 257add31 2020-09-09 stsp break;
2486 257add31 2020-09-09 stsp }
2487 257add31 2020-09-09 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2488 257add31 2020-09-09 stsp iremote.name_len);
2489 257add31 2020-09-09 stsp if (remote->name == NULL) {
2490 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2491 257add31 2020-09-09 stsp break;
2492 257add31 2020-09-09 stsp }
2493 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data +
2494 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len,
2495 6480c871 2021-08-30 stsp iremote.fetch_url_len);
2496 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2497 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2498 6480c871 2021-08-30 stsp free_remote_data(remote);
2499 6480c871 2021-08-30 stsp break;
2500 6480c871 2021-08-30 stsp }
2501 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data +
2502 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len +
2503 6480c871 2021-08-30 stsp iremote.fetch_url_len, iremote.send_url_len);
2504 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2505 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2506 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2507 257add31 2020-09-09 stsp break;
2508 257add31 2020-09-09 stsp }
2509 257add31 2020-09-09 stsp remote->mirror_references = iremote.mirror_references;
2510 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2511 6480c871 2021-08-30 stsp if (iremote.nfetch_branches > 0) {
2512 6480c871 2021-08-30 stsp remote->fetch_branches = recallocarray(NULL, 0,
2513 6480c871 2021-08-30 stsp iremote.nfetch_branches, sizeof(char *));
2514 6480c871 2021-08-30 stsp if (remote->fetch_branches == NULL) {
2515 b8adfa55 2020-09-25 stsp err = got_error_from_errno("calloc");
2516 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2517 b8adfa55 2020-09-25 stsp break;
2518 b8adfa55 2020-09-25 stsp }
2519 b8adfa55 2020-09-25 stsp }
2520 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2521 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_branches; i++) {
2522 b8adfa55 2020-09-25 stsp char *branch;
2523 b8adfa55 2020-09-25 stsp err = got_privsep_recv_gotconfig_str(&branch,
2524 b8adfa55 2020-09-25 stsp ibuf);
2525 b8adfa55 2020-09-25 stsp if (err) {
2526 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2527 b8adfa55 2020-09-25 stsp goto done;
2528 b8adfa55 2020-09-25 stsp }
2529 6480c871 2021-08-30 stsp remote->fetch_branches[i] = branch;
2530 6480c871 2021-08-30 stsp remote->nfetch_branches++;
2531 99495ddb 2021-01-10 stsp }
2532 6480c871 2021-08-30 stsp if (iremote.nsend_branches > 0) {
2533 6480c871 2021-08-30 stsp remote->send_branches = recallocarray(NULL, 0,
2534 6480c871 2021-08-30 stsp iremote.nsend_branches, sizeof(char *));
2535 6480c871 2021-08-30 stsp if (remote->send_branches == NULL) {
2536 99495ddb 2021-01-10 stsp err = got_error_from_errno("calloc");
2537 99495ddb 2021-01-10 stsp free_remote_data(remote);
2538 99495ddb 2021-01-10 stsp break;
2539 99495ddb 2021-01-10 stsp }
2540 b8adfa55 2020-09-25 stsp }
2541 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2542 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nsend_branches; i++) {
2543 6480c871 2021-08-30 stsp char *branch;
2544 6480c871 2021-08-30 stsp err = got_privsep_recv_gotconfig_str(&branch,
2545 6480c871 2021-08-30 stsp ibuf);
2546 6480c871 2021-08-30 stsp if (err) {
2547 6480c871 2021-08-30 stsp free_remote_data(remote);
2548 6480c871 2021-08-30 stsp goto done;
2549 6480c871 2021-08-30 stsp }
2550 6480c871 2021-08-30 stsp remote->send_branches[i] = branch;
2551 6480c871 2021-08-30 stsp remote->nsend_branches++;
2552 6480c871 2021-08-30 stsp }
2553 6480c871 2021-08-30 stsp if (iremote.nfetch_refs > 0) {
2554 6480c871 2021-08-30 stsp remote->fetch_refs = recallocarray(NULL, 0,
2555 6480c871 2021-08-30 stsp iremote.nfetch_refs, sizeof(char *));
2556 6480c871 2021-08-30 stsp if (remote->fetch_refs == NULL) {
2557 6480c871 2021-08-30 stsp err = got_error_from_errno("calloc");
2558 6480c871 2021-08-30 stsp free_remote_data(remote);
2559 6480c871 2021-08-30 stsp break;
2560 6480c871 2021-08-30 stsp }
2561 6480c871 2021-08-30 stsp }
2562 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2563 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_refs; i++) {
2564 99495ddb 2021-01-10 stsp char *ref;
2565 99495ddb 2021-01-10 stsp err = got_privsep_recv_gotconfig_str(&ref,
2566 99495ddb 2021-01-10 stsp ibuf);
2567 99495ddb 2021-01-10 stsp if (err) {
2568 99495ddb 2021-01-10 stsp free_remote_data(remote);
2569 99495ddb 2021-01-10 stsp goto done;
2570 99495ddb 2021-01-10 stsp }
2571 6480c871 2021-08-30 stsp remote->fetch_refs[i] = ref;
2572 6480c871 2021-08-30 stsp remote->nfetch_refs++;
2573 99495ddb 2021-01-10 stsp }
2574 257add31 2020-09-09 stsp (*nremotes)++;
2575 257add31 2020-09-09 stsp break;
2576 257add31 2020-09-09 stsp default:
2577 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2578 257add31 2020-09-09 stsp break;
2579 257add31 2020-09-09 stsp }
2580 257add31 2020-09-09 stsp
2581 257add31 2020-09-09 stsp imsg_free(&imsg);
2582 257add31 2020-09-09 stsp if (err)
2583 257add31 2020-09-09 stsp break;
2584 257add31 2020-09-09 stsp }
2585 b8adfa55 2020-09-25 stsp done:
2586 257add31 2020-09-09 stsp if (err) {
2587 257add31 2020-09-09 stsp int i;
2588 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2589 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2590 257add31 2020-09-09 stsp free(*remotes);
2591 257add31 2020-09-09 stsp *remotes = NULL;
2592 257add31 2020-09-09 stsp *nremotes = 0;
2593 257add31 2020-09-09 stsp }
2594 257add31 2020-09-09 stsp return err;
2595 257add31 2020-09-09 stsp }
2596 257add31 2020-09-09 stsp
2597 257add31 2020-09-09 stsp const struct got_error *
2598 ca6e02ac 2020-01-07 stsp got_privsep_send_commit_traversal_request(struct imsgbuf *ibuf,
2599 abc59930 2021-09-05 naddy struct got_object_id *id, int idx, const char *path)
2600 ca6e02ac 2020-01-07 stsp {
2601 ca6e02ac 2020-01-07 stsp struct ibuf *wbuf;
2602 ca6e02ac 2020-01-07 stsp size_t path_len = strlen(path) + 1;
2603 ca6e02ac 2020-01-07 stsp
2604 ca6e02ac 2020-01-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_COMMIT_TRAVERSAL_REQUEST, 0, 0,
2605 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_traversal_request) + path_len);
2606 ca6e02ac 2020-01-07 stsp if (wbuf == NULL)
2607 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
2608 ca6e02ac 2020-01-07 stsp "imsg_create COMMIT_TRAVERSAL_REQUEST");
2609 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1)
2610 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add "
2611 e9f1a409 2022-05-19 thomas "COMMIT_TRAVERSAL_REQUEST");
2612 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &idx, sizeof(idx)) == -1)
2613 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add "
2614 e9f1a409 2022-05-19 thomas "COMMIT_TRAVERSAL_REQUEST");
2615 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, path, path_len) == -1)
2616 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add "
2617 e9f1a409 2022-05-19 thomas "COMMIT_TRAVERSAL_REQUEST");
2618 ca6e02ac 2020-01-07 stsp
2619 ca6e02ac 2020-01-07 stsp wbuf->fd = -1;
2620 ca6e02ac 2020-01-07 stsp imsg_close(ibuf, wbuf);
2621 ca6e02ac 2020-01-07 stsp
2622 ca6e02ac 2020-01-07 stsp return flush_imsg(ibuf);
2623 ca6e02ac 2020-01-07 stsp }
2624 ca6e02ac 2020-01-07 stsp
2625 ca6e02ac 2020-01-07 stsp const struct got_error *
2626 ca6e02ac 2020-01-07 stsp got_privsep_recv_traversed_commits(struct got_commit_object **changed_commit,
2627 ca6e02ac 2020-01-07 stsp struct got_object_id **changed_commit_id,
2628 ca6e02ac 2020-01-07 stsp struct got_object_id_queue *commit_ids, struct imsgbuf *ibuf)
2629 ca6e02ac 2020-01-07 stsp {
2630 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
2631 ca6e02ac 2020-01-07 stsp struct imsg imsg;
2632 ca6e02ac 2020-01-07 stsp struct got_imsg_traversed_commits *icommits;
2633 ca6e02ac 2020-01-07 stsp size_t datalen;
2634 ca6e02ac 2020-01-07 stsp int i, done = 0;
2635 ca6e02ac 2020-01-07 stsp
2636 ca6e02ac 2020-01-07 stsp *changed_commit = NULL;
2637 ca6e02ac 2020-01-07 stsp *changed_commit_id = NULL;
2638 ca6e02ac 2020-01-07 stsp
2639 ca6e02ac 2020-01-07 stsp while (!done) {
2640 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2641 ca6e02ac 2020-01-07 stsp if (err)
2642 ca6e02ac 2020-01-07 stsp return err;
2643 ca6e02ac 2020-01-07 stsp
2644 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2645 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
2646 ca6e02ac 2020-01-07 stsp case GOT_IMSG_TRAVERSED_COMMITS:
2647 ca6e02ac 2020-01-07 stsp icommits = imsg.data;
2648 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommits) +
2649 ca6e02ac 2020-01-07 stsp icommits->ncommits * SHA1_DIGEST_LENGTH) {
2650 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2651 ca6e02ac 2020-01-07 stsp break;
2652 ca6e02ac 2020-01-07 stsp }
2653 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommits->ncommits; i++) {
2654 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
2655 ca6e02ac 2020-01-07 stsp uint8_t *sha1 = (uint8_t *)imsg.data +
2656 ca6e02ac 2020-01-07 stsp sizeof(*icommits) + i * SHA1_DIGEST_LENGTH;
2657 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
2658 ca6e02ac 2020-01-07 stsp if (err)
2659 ca6e02ac 2020-01-07 stsp break;
2660 ec242592 2022-04-22 thomas memcpy(qid->id.sha1, sha1, SHA1_DIGEST_LENGTH);
2661 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(commit_ids, qid, entry);
2662 ca6e02ac 2020-01-07 stsp
2663 ca6e02ac 2020-01-07 stsp /* The last commit may contain a change. */
2664 ca6e02ac 2020-01-07 stsp if (i == icommits->ncommits - 1) {
2665 ca6e02ac 2020-01-07 stsp *changed_commit_id =
2666 ec242592 2022-04-22 thomas got_object_id_dup(&qid->id);
2667 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2668 ca6e02ac 2020-01-07 stsp err = got_error_from_errno(
2669 ca6e02ac 2020-01-07 stsp "got_object_id_dup");
2670 ca6e02ac 2020-01-07 stsp break;
2671 ca6e02ac 2020-01-07 stsp }
2672 ca6e02ac 2020-01-07 stsp }
2673 ca6e02ac 2020-01-07 stsp }
2674 ca6e02ac 2020-01-07 stsp break;
2675 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
2676 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2677 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2678 ca6e02ac 2020-01-07 stsp break;
2679 ca6e02ac 2020-01-07 stsp }
2680 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(changed_commit, &imsg,
2681 ca6e02ac 2020-01-07 stsp datalen, ibuf);
2682 ca6e02ac 2020-01-07 stsp break;
2683 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT_TRAVERSAL_DONE:
2684 ca6e02ac 2020-01-07 stsp done = 1;
2685 ca6e02ac 2020-01-07 stsp break;
2686 ca6e02ac 2020-01-07 stsp default:
2687 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2688 ca6e02ac 2020-01-07 stsp break;
2689 ca6e02ac 2020-01-07 stsp }
2690 ca6e02ac 2020-01-07 stsp
2691 ca6e02ac 2020-01-07 stsp imsg_free(&imsg);
2692 ca6e02ac 2020-01-07 stsp if (err)
2693 ca6e02ac 2020-01-07 stsp break;
2694 ca6e02ac 2020-01-07 stsp }
2695 ca6e02ac 2020-01-07 stsp
2696 ca6e02ac 2020-01-07 stsp if (err)
2697 ca6e02ac 2020-01-07 stsp got_object_id_queue_free(commit_ids);
2698 ca6e02ac 2020-01-07 stsp return err;
2699 63915ee5 2022-06-23 thomas }
2700 63915ee5 2022-06-23 thomas
2701 63915ee5 2022-06-23 thomas const struct got_error *
2702 63915ee5 2022-06-23 thomas got_privsep_send_enumerated_tree(size_t *totlen, struct imsgbuf *ibuf,
2703 63915ee5 2022-06-23 thomas struct got_object_id *tree_id, const char *path,
2704 63915ee5 2022-06-23 thomas struct got_parsed_tree_entry *entries, int nentries)
2705 63915ee5 2022-06-23 thomas {
2706 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
2707 63915ee5 2022-06-23 thomas struct ibuf *wbuf;
2708 63915ee5 2022-06-23 thomas size_t path_len = strlen(path);
2709 63915ee5 2022-06-23 thomas size_t msglen;
2710 63915ee5 2022-06-23 thomas
2711 63915ee5 2022-06-23 thomas msglen = sizeof(struct got_imsg_enumerated_tree) + path_len;
2712 63915ee5 2022-06-23 thomas wbuf = imsg_create(ibuf, GOT_IMSG_ENUMERATED_TREE, 0, 0, msglen);
2713 63915ee5 2022-06-23 thomas if (wbuf == NULL)
2714 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_create ENUMERATED_TREE");
2715 63915ee5 2022-06-23 thomas
2716 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, tree_id->sha1, SHA1_DIGEST_LENGTH) == -1)
2717 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_TREE");
2718 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, &nentries, sizeof(nentries)) == -1)
2719 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_TREE");
2720 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, path, path_len) == -1)
2721 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_TREE");
2722 63915ee5 2022-06-23 thomas
2723 63915ee5 2022-06-23 thomas wbuf->fd = -1;
2724 63915ee5 2022-06-23 thomas imsg_close(ibuf, wbuf);
2725 63915ee5 2022-06-23 thomas
2726 63915ee5 2022-06-23 thomas if (entries) {
2727 63915ee5 2022-06-23 thomas err = send_tree_entries(ibuf, entries, nentries);
2728 63915ee5 2022-06-23 thomas if (err)
2729 63915ee5 2022-06-23 thomas return err;
2730 63915ee5 2022-06-23 thomas }
2731 63915ee5 2022-06-23 thomas
2732 63915ee5 2022-06-23 thomas return flush_imsg(ibuf);
2733 f9c2e8e5 2022-02-13 thomas }
2734 f9c2e8e5 2022-02-13 thomas
2735 f9c2e8e5 2022-02-13 thomas const struct got_error *
2736 63915ee5 2022-06-23 thomas got_privsep_send_object_enumeration_request(struct imsgbuf *ibuf)
2737 63915ee5 2022-06-23 thomas {
2738 63915ee5 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_REQUEST,
2739 63915ee5 2022-06-23 thomas 0, 0, -1, NULL, 0) == -1)
2740 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_compose "
2741 63915ee5 2022-06-23 thomas "OBJECT_ENUMERATION_REQUEST");
2742 63915ee5 2022-06-23 thomas
2743 63915ee5 2022-06-23 thomas return flush_imsg(ibuf);
2744 63915ee5 2022-06-23 thomas }
2745 63915ee5 2022-06-23 thomas
2746 63915ee5 2022-06-23 thomas const struct got_error *
2747 63915ee5 2022-06-23 thomas got_privsep_send_object_enumeration_done(struct imsgbuf *ibuf)
2748 63915ee5 2022-06-23 thomas {
2749 63915ee5 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_DONE,
2750 63915ee5 2022-06-23 thomas 0, 0, -1, NULL, 0) == -1)
2751 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_compose "
2752 63915ee5 2022-06-23 thomas "OBJECT_ENUMERATION_DONE");
2753 63915ee5 2022-06-23 thomas
2754 63915ee5 2022-06-23 thomas return flush_imsg(ibuf);
2755 63915ee5 2022-06-23 thomas }
2756 63915ee5 2022-06-23 thomas
2757 63915ee5 2022-06-23 thomas const struct got_error *
2758 e71f1e62 2022-06-23 thomas got_privsep_send_object_enumeration_incomplete(struct imsgbuf *ibuf)
2759 e71f1e62 2022-06-23 thomas {
2760 e71f1e62 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_INCOMPLETE,
2761 e71f1e62 2022-06-23 thomas 0, 0, -1, NULL, 0) == -1)
2762 e71f1e62 2022-06-23 thomas return got_error_from_errno("imsg_compose "
2763 e71f1e62 2022-06-23 thomas "OBJECT_ENUMERATION_INCOMPLETE");
2764 e71f1e62 2022-06-23 thomas
2765 e71f1e62 2022-06-23 thomas return flush_imsg(ibuf);
2766 e71f1e62 2022-06-23 thomas }
2767 e71f1e62 2022-06-23 thomas
2768 e71f1e62 2022-06-23 thomas const struct got_error *
2769 63915ee5 2022-06-23 thomas got_privsep_send_enumerated_commit(struct imsgbuf *ibuf,
2770 63915ee5 2022-06-23 thomas struct got_object_id *id, time_t mtime)
2771 63915ee5 2022-06-23 thomas {
2772 63915ee5 2022-06-23 thomas struct ibuf *wbuf;
2773 63915ee5 2022-06-23 thomas
2774 63915ee5 2022-06-23 thomas wbuf = imsg_create(ibuf, GOT_IMSG_ENUMERATED_COMMIT, 0, 0,
2775 63915ee5 2022-06-23 thomas sizeof(struct got_imsg_enumerated_commit) + SHA1_DIGEST_LENGTH);
2776 63915ee5 2022-06-23 thomas if (wbuf == NULL)
2777 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_create ENUMERATED_COMMIT");
2778 63915ee5 2022-06-23 thomas
2779 63915ee5 2022-06-23 thomas /* Keep in sync with struct got_imsg_enumerated_commit! */
2780 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, id, SHA1_DIGEST_LENGTH) == -1)
2781 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_COMMIT");
2782 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, &mtime, sizeof(mtime)) == -1)
2783 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_COMMIT");
2784 63915ee5 2022-06-23 thomas
2785 63915ee5 2022-06-23 thomas wbuf->fd = -1;
2786 63915ee5 2022-06-23 thomas imsg_close(ibuf, wbuf);
2787 63915ee5 2022-06-23 thomas /* Don't flush yet, tree entries or ENUMERATION_DONE will follow. */
2788 63915ee5 2022-06-23 thomas return NULL;
2789 63915ee5 2022-06-23 thomas }
2790 63915ee5 2022-06-23 thomas
2791 63915ee5 2022-06-23 thomas const struct got_error *
2792 e71f1e62 2022-06-23 thomas got_privsep_recv_enumerated_objects(int *found_all_objects,
2793 e71f1e62 2022-06-23 thomas struct imsgbuf *ibuf,
2794 63915ee5 2022-06-23 thomas got_object_enumerate_commit_cb cb_commit,
2795 63915ee5 2022-06-23 thomas got_object_enumerate_tree_cb cb_tree, void *cb_arg,
2796 63915ee5 2022-06-23 thomas struct got_repository *repo)
2797 63915ee5 2022-06-23 thomas {
2798 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
2799 63915ee5 2022-06-23 thomas struct imsg imsg;
2800 63915ee5 2022-06-23 thomas struct got_imsg_enumerated_commit *icommit = NULL;
2801 63915ee5 2022-06-23 thomas struct got_object_id commit_id;
2802 63915ee5 2022-06-23 thomas int have_commit = 0;
2803 63915ee5 2022-06-23 thomas time_t mtime = 0;
2804 63915ee5 2022-06-23 thomas struct got_tree_object tree;
2805 63915ee5 2022-06-23 thomas struct got_imsg_enumerated_tree *itree;
2806 63915ee5 2022-06-23 thomas struct got_object_id tree_id;
2807 63915ee5 2022-06-23 thomas char *path = NULL, *canon_path = NULL;
2808 63915ee5 2022-06-23 thomas size_t datalen, path_len;
2809 63915ee5 2022-06-23 thomas int nentries = -1;
2810 63915ee5 2022-06-23 thomas int done = 0;
2811 63915ee5 2022-06-23 thomas
2812 e71f1e62 2022-06-23 thomas *found_all_objects = 0;
2813 63915ee5 2022-06-23 thomas memset(&tree, 0, sizeof(tree));
2814 63915ee5 2022-06-23 thomas
2815 63915ee5 2022-06-23 thomas while (!done) {
2816 63915ee5 2022-06-23 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2817 63915ee5 2022-06-23 thomas if (err)
2818 63915ee5 2022-06-23 thomas break;
2819 63915ee5 2022-06-23 thomas
2820 63915ee5 2022-06-23 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2821 63915ee5 2022-06-23 thomas switch (imsg.hdr.type) {
2822 77402035 2022-06-23 thomas case GOT_IMSG_ENUMERATED_COMMIT:
2823 63915ee5 2022-06-23 thomas if (have_commit && nentries != -1) {
2824 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2825 63915ee5 2022-06-23 thomas break;
2826 63915ee5 2022-06-23 thomas }
2827 63915ee5 2022-06-23 thomas if (datalen != sizeof(*icommit)) {
2828 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2829 63915ee5 2022-06-23 thomas break;
2830 63915ee5 2022-06-23 thomas }
2831 63915ee5 2022-06-23 thomas icommit = (struct got_imsg_enumerated_commit *)imsg.data;
2832 63915ee5 2022-06-23 thomas memcpy(commit_id.sha1, icommit->id, SHA1_DIGEST_LENGTH);
2833 63915ee5 2022-06-23 thomas mtime = icommit->mtime;
2834 63915ee5 2022-06-23 thomas have_commit = 1;
2835 63915ee5 2022-06-23 thomas break;
2836 63915ee5 2022-06-23 thomas case GOT_IMSG_ENUMERATED_TREE:
2837 63915ee5 2022-06-23 thomas /* Should be preceeded by GOT_IMSG_ENUMERATED_COMMIT. */
2838 63915ee5 2022-06-23 thomas if (!have_commit) {
2839 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2840 63915ee5 2022-06-23 thomas break;
2841 63915ee5 2022-06-23 thomas }
2842 63915ee5 2022-06-23 thomas if (datalen < sizeof(*itree)) {
2843 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2844 63915ee5 2022-06-23 thomas break;
2845 63915ee5 2022-06-23 thomas }
2846 63915ee5 2022-06-23 thomas itree = imsg.data;
2847 63915ee5 2022-06-23 thomas path_len = datalen - sizeof(*itree);
2848 63915ee5 2022-06-23 thomas if (path_len == 0) {
2849 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2850 63915ee5 2022-06-23 thomas break;
2851 63915ee5 2022-06-23 thomas }
2852 63915ee5 2022-06-23 thomas memcpy(tree_id.sha1, itree->id, sizeof(tree_id.sha1));
2853 63915ee5 2022-06-23 thomas free(path);
2854 63915ee5 2022-06-23 thomas path = malloc(path_len + 1);
2855 63915ee5 2022-06-23 thomas if (path == NULL) {
2856 63915ee5 2022-06-23 thomas err = got_error_from_errno("malloc");
2857 63915ee5 2022-06-23 thomas break;
2858 63915ee5 2022-06-23 thomas }
2859 63915ee5 2022-06-23 thomas free(canon_path);
2860 63915ee5 2022-06-23 thomas canon_path = malloc(path_len + 1);
2861 63915ee5 2022-06-23 thomas if (canon_path == NULL) {
2862 63915ee5 2022-06-23 thomas err = got_error_from_errno("malloc");
2863 63915ee5 2022-06-23 thomas break;
2864 63915ee5 2022-06-23 thomas }
2865 63915ee5 2022-06-23 thomas memcpy(path, (uint8_t *)imsg.data + sizeof(*itree),
2866 63915ee5 2022-06-23 thomas path_len);
2867 63915ee5 2022-06-23 thomas path[path_len] = '\0';
2868 63915ee5 2022-06-23 thomas if (!got_path_is_absolute(path)) {
2869 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_BAD_PATH);
2870 63915ee5 2022-06-23 thomas break;
2871 63915ee5 2022-06-23 thomas }
2872 63915ee5 2022-06-23 thomas if (got_path_is_root_dir(path)) {
2873 63915ee5 2022-06-23 thomas /* XXX check what got_canonpath() does wrong */
2874 63915ee5 2022-06-23 thomas canon_path[0] = '/';
2875 63915ee5 2022-06-23 thomas canon_path[1] = '\0';
2876 63915ee5 2022-06-23 thomas } else {
2877 63915ee5 2022-06-23 thomas err = got_canonpath(path, canon_path,
2878 63915ee5 2022-06-23 thomas path_len + 1);
2879 63915ee5 2022-06-23 thomas if (err)
2880 63915ee5 2022-06-23 thomas break;
2881 63915ee5 2022-06-23 thomas }
2882 63915ee5 2022-06-23 thomas if (strcmp(path, canon_path) != 0) {
2883 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_BAD_PATH);
2884 63915ee5 2022-06-23 thomas break;
2885 63915ee5 2022-06-23 thomas }
2886 63915ee5 2022-06-23 thomas if (nentries != -1) {
2887 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2888 63915ee5 2022-06-23 thomas break;
2889 63915ee5 2022-06-23 thomas }
2890 63915ee5 2022-06-23 thomas if (itree->nentries < -1) {
2891 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2892 63915ee5 2022-06-23 thomas break;
2893 63915ee5 2022-06-23 thomas }
2894 63915ee5 2022-06-23 thomas if (itree->nentries == -1) {
2895 63915ee5 2022-06-23 thomas /* Tree was not found in pack file. */
2896 63915ee5 2022-06-23 thomas err = cb_tree(cb_arg, NULL, mtime, &tree_id,
2897 63915ee5 2022-06-23 thomas path, repo);
2898 63915ee5 2022-06-23 thomas break;
2899 63915ee5 2022-06-23 thomas }
2900 63915ee5 2022-06-23 thomas if (itree->nentries > INT_MAX) {
2901 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2902 63915ee5 2022-06-23 thomas break;
2903 63915ee5 2022-06-23 thomas }
2904 63915ee5 2022-06-23 thomas tree.entries = calloc(itree->nentries,
2905 63915ee5 2022-06-23 thomas sizeof(struct got_tree_entry));
2906 63915ee5 2022-06-23 thomas if (tree.entries == NULL) {
2907 63915ee5 2022-06-23 thomas err = got_error_from_errno("calloc");
2908 63915ee5 2022-06-23 thomas break;
2909 63915ee5 2022-06-23 thomas }
2910 63915ee5 2022-06-23 thomas if (itree->nentries == 0) {
2911 63915ee5 2022-06-23 thomas err = cb_tree(cb_arg, &tree, mtime, &tree_id,
2912 63915ee5 2022-06-23 thomas path, repo);
2913 63915ee5 2022-06-23 thomas if (err)
2914 63915ee5 2022-06-23 thomas break;
2915 63915ee5 2022-06-23 thomas
2916 63915ee5 2022-06-23 thomas /* Prepare for next tree. */
2917 63915ee5 2022-06-23 thomas free(tree.entries);
2918 63915ee5 2022-06-23 thomas memset(&tree, 0, sizeof(tree));
2919 63915ee5 2022-06-23 thomas nentries = -1;
2920 63915ee5 2022-06-23 thomas } else {
2921 63915ee5 2022-06-23 thomas tree.nentries = itree->nentries;
2922 63915ee5 2022-06-23 thomas nentries = 0;
2923 63915ee5 2022-06-23 thomas }
2924 63915ee5 2022-06-23 thomas break;
2925 63915ee5 2022-06-23 thomas case GOT_IMSG_TREE_ENTRIES:
2926 63915ee5 2022-06-23 thomas /* Should be preceeded by GOT_IMSG_ENUMERATED_TREE. */
2927 63915ee5 2022-06-23 thomas if (nentries <= -1) {
2928 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2929 63915ee5 2022-06-23 thomas break;
2930 63915ee5 2022-06-23 thomas }
2931 63915ee5 2022-06-23 thomas err = recv_tree_entries(imsg.data, datalen,
2932 63915ee5 2022-06-23 thomas &tree, &nentries);
2933 63915ee5 2022-06-23 thomas if (err)
2934 63915ee5 2022-06-23 thomas break;
2935 63915ee5 2022-06-23 thomas if (tree.nentries == nentries) {
2936 63915ee5 2022-06-23 thomas err = cb_tree(cb_arg, &tree, mtime, &tree_id,
2937 63915ee5 2022-06-23 thomas path, repo);
2938 63915ee5 2022-06-23 thomas if (err)
2939 63915ee5 2022-06-23 thomas break;
2940 63915ee5 2022-06-23 thomas
2941 63915ee5 2022-06-23 thomas /* Prepare for next tree. */
2942 63915ee5 2022-06-23 thomas free(tree.entries);
2943 63915ee5 2022-06-23 thomas memset(&tree, 0, sizeof(tree));
2944 63915ee5 2022-06-23 thomas nentries = -1;
2945 63915ee5 2022-06-23 thomas }
2946 63915ee5 2022-06-23 thomas break;
2947 63915ee5 2022-06-23 thomas case GOT_IMSG_TREE_ENUMERATION_DONE:
2948 63915ee5 2022-06-23 thomas /* All trees have been found and traversed. */
2949 63915ee5 2022-06-23 thomas if (!have_commit || path == NULL || nentries != -1) {
2950 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2951 63915ee5 2022-06-23 thomas break;
2952 63915ee5 2022-06-23 thomas }
2953 63915ee5 2022-06-23 thomas err = cb_commit(cb_arg, mtime, &commit_id, repo);
2954 63915ee5 2022-06-23 thomas if (err)
2955 63915ee5 2022-06-23 thomas break;
2956 63915ee5 2022-06-23 thomas have_commit = 0;
2957 63915ee5 2022-06-23 thomas break;
2958 63915ee5 2022-06-23 thomas case GOT_IMSG_OBJECT_ENUMERATION_DONE:
2959 e71f1e62 2022-06-23 thomas *found_all_objects = 1;
2960 e71f1e62 2022-06-23 thomas done = 1;
2961 e71f1e62 2022-06-23 thomas break;
2962 e71f1e62 2022-06-23 thomas case GOT_IMSG_OBJECT_ENUMERATION_INCOMPLETE:
2963 63915ee5 2022-06-23 thomas done = 1;
2964 63915ee5 2022-06-23 thomas break;
2965 63915ee5 2022-06-23 thomas default:
2966 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2967 63915ee5 2022-06-23 thomas break;
2968 63915ee5 2022-06-23 thomas }
2969 63915ee5 2022-06-23 thomas
2970 63915ee5 2022-06-23 thomas imsg_free(&imsg);
2971 63915ee5 2022-06-23 thomas if (err)
2972 63915ee5 2022-06-23 thomas break;
2973 63915ee5 2022-06-23 thomas }
2974 63915ee5 2022-06-23 thomas
2975 63915ee5 2022-06-23 thomas free(path);
2976 63915ee5 2022-06-23 thomas free(canon_path);
2977 63915ee5 2022-06-23 thomas free(tree.entries);
2978 63915ee5 2022-06-23 thomas return err;
2979 63915ee5 2022-06-23 thomas }
2980 63915ee5 2022-06-23 thomas
2981 63915ee5 2022-06-23 thomas const struct got_error *
2982 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta_req(struct imsgbuf *ibuf, int idx,
2983 f9c2e8e5 2022-02-13 thomas struct got_object_id *id)
2984 f9c2e8e5 2022-02-13 thomas {
2985 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta_request dreq;
2986 f9c2e8e5 2022-02-13 thomas
2987 c26ee7ad 2022-06-23 thomas memset(&dreq, 0, sizeof(dreq));
2988 f9c2e8e5 2022-02-13 thomas dreq.idx = idx;
2989 f9c2e8e5 2022-02-13 thomas memcpy(dreq.id, id->sha1, SHA1_DIGEST_LENGTH);
2990 f9c2e8e5 2022-02-13 thomas
2991 f9c2e8e5 2022-02-13 thomas if (imsg_compose(ibuf, GOT_IMSG_RAW_DELTA_REQUEST, 0, 0, -1,
2992 f9c2e8e5 2022-02-13 thomas &dreq, sizeof(dreq)) == -1)
2993 f9c2e8e5 2022-02-13 thomas return got_error_from_errno("imsg_compose RAW_DELTA_REQUEST");
2994 f9c2e8e5 2022-02-13 thomas
2995 f9c2e8e5 2022-02-13 thomas return flush_imsg(ibuf);
2996 f9c2e8e5 2022-02-13 thomas }
2997 f9c2e8e5 2022-02-13 thomas
2998 f9c2e8e5 2022-02-13 thomas const struct got_error *
2999 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta_outfd(struct imsgbuf *ibuf, int fd)
3000 f9c2e8e5 2022-02-13 thomas {
3001 f9c2e8e5 2022-02-13 thomas return send_fd(ibuf, GOT_IMSG_RAW_DELTA_OUTFD, fd);
3002 f9c2e8e5 2022-02-13 thomas }
3003 f9c2e8e5 2022-02-13 thomas
3004 f9c2e8e5 2022-02-13 thomas const struct got_error *
3005 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta(struct imsgbuf *ibuf, uint64_t base_size,
3006 9249e7e3 2022-05-12 thomas uint64_t result_size, off_t delta_size, off_t delta_compressed_size,
3007 9249e7e3 2022-05-12 thomas off_t delta_offset, off_t delta_out_offset, struct got_object_id *base_id)
3008 f9c2e8e5 2022-02-13 thomas {
3009 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta idelta;
3010 f9c2e8e5 2022-02-13 thomas int ret;
3011 f9c2e8e5 2022-02-13 thomas
3012 c26ee7ad 2022-06-23 thomas memset(&idelta, 0, sizeof(idelta));
3013 f9c2e8e5 2022-02-13 thomas idelta.base_size = base_size;
3014 f9c2e8e5 2022-02-13 thomas idelta.result_size = result_size;
3015 f9c2e8e5 2022-02-13 thomas idelta.delta_size = delta_size;
3016 9249e7e3 2022-05-12 thomas idelta.delta_compressed_size = delta_compressed_size;
3017 f9c2e8e5 2022-02-13 thomas idelta.delta_offset = delta_offset;
3018 f9c2e8e5 2022-02-13 thomas idelta.delta_out_offset = delta_out_offset;
3019 f9c2e8e5 2022-02-13 thomas memcpy(idelta.base_id, base_id->sha1, SHA1_DIGEST_LENGTH);
3020 f9c2e8e5 2022-02-13 thomas
3021 f9c2e8e5 2022-02-13 thomas ret = imsg_compose(ibuf, GOT_IMSG_RAW_DELTA, 0, 0, -1,
3022 f9c2e8e5 2022-02-13 thomas &idelta, sizeof(idelta));
3023 f9c2e8e5 2022-02-13 thomas if (ret == -1)
3024 f9c2e8e5 2022-02-13 thomas return got_error_from_errno("imsg_compose RAW_DELTA");
3025 f9c2e8e5 2022-02-13 thomas
3026 f9c2e8e5 2022-02-13 thomas return flush_imsg(ibuf);
3027 ca6e02ac 2020-01-07 stsp }
3028 ca6e02ac 2020-01-07 stsp
3029 ca6e02ac 2020-01-07 stsp const struct got_error *
3030 f9c2e8e5 2022-02-13 thomas got_privsep_recv_raw_delta(uint64_t *base_size, uint64_t *result_size,
3031 9249e7e3 2022-05-12 thomas off_t *delta_size, off_t *delta_compressed_size, off_t *delta_offset,
3032 9249e7e3 2022-05-12 thomas off_t *delta_out_offset, struct got_object_id **base_id, struct imsgbuf *ibuf)
3033 f9c2e8e5 2022-02-13 thomas {
3034 f9c2e8e5 2022-02-13 thomas const struct got_error *err = NULL;
3035 f9c2e8e5 2022-02-13 thomas struct imsg imsg;
3036 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta *delta;
3037 f9c2e8e5 2022-02-13 thomas size_t datalen;
3038 f9c2e8e5 2022-02-13 thomas
3039 f9c2e8e5 2022-02-13 thomas *base_size = 0;
3040 f9c2e8e5 2022-02-13 thomas *result_size = 0;
3041 f9c2e8e5 2022-02-13 thomas *delta_size = 0;
3042 9249e7e3 2022-05-12 thomas *delta_compressed_size = 0;
3043 f9c2e8e5 2022-02-13 thomas *delta_offset = 0;
3044 f9c2e8e5 2022-02-13 thomas *delta_out_offset = 0;
3045 f9c2e8e5 2022-02-13 thomas *base_id = NULL;
3046 f9c2e8e5 2022-02-13 thomas
3047 f9c2e8e5 2022-02-13 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3048 f9c2e8e5 2022-02-13 thomas if (err)
3049 f9c2e8e5 2022-02-13 thomas return err;
3050 f9c2e8e5 2022-02-13 thomas
3051 f9c2e8e5 2022-02-13 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3052 f9c2e8e5 2022-02-13 thomas
3053 f9c2e8e5 2022-02-13 thomas switch (imsg.hdr.type) {
3054 f9c2e8e5 2022-02-13 thomas case GOT_IMSG_RAW_DELTA:
3055 f9c2e8e5 2022-02-13 thomas if (datalen != sizeof(*delta)) {
3056 f9c2e8e5 2022-02-13 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3057 f9c2e8e5 2022-02-13 thomas break;
3058 f9c2e8e5 2022-02-13 thomas }
3059 f9c2e8e5 2022-02-13 thomas delta = imsg.data;
3060 f9c2e8e5 2022-02-13 thomas *base_size = delta->base_size;
3061 f9c2e8e5 2022-02-13 thomas *result_size = delta->result_size;
3062 f9c2e8e5 2022-02-13 thomas *delta_size = delta->delta_size;
3063 9249e7e3 2022-05-12 thomas *delta_compressed_size = delta->delta_compressed_size;
3064 f9c2e8e5 2022-02-13 thomas *delta_offset = delta->delta_offset;
3065 f9c2e8e5 2022-02-13 thomas *delta_out_offset = delta->delta_out_offset;
3066 f9c2e8e5 2022-02-13 thomas *base_id = calloc(1, sizeof(**base_id));
3067 f9c2e8e5 2022-02-13 thomas if (*base_id == NULL) {
3068 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("malloc");
3069 f9c2e8e5 2022-02-13 thomas break;
3070 f9c2e8e5 2022-02-13 thomas }
3071 f9c2e8e5 2022-02-13 thomas memcpy((*base_id)->sha1, delta->base_id, SHA1_DIGEST_LENGTH);
3072 f9c2e8e5 2022-02-13 thomas break;
3073 f9c2e8e5 2022-02-13 thomas default:
3074 f9c2e8e5 2022-02-13 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3075 f9c2e8e5 2022-02-13 thomas break;
3076 f9c2e8e5 2022-02-13 thomas }
3077 f9c2e8e5 2022-02-13 thomas
3078 f9c2e8e5 2022-02-13 thomas imsg_free(&imsg);
3079 f9c2e8e5 2022-02-13 thomas
3080 f9c2e8e5 2022-02-13 thomas if (err) {
3081 f9c2e8e5 2022-02-13 thomas free(*base_id);
3082 f9c2e8e5 2022-02-13 thomas *base_id = NULL;
3083 7d0d4920 2022-05-12 thomas }
3084 7d0d4920 2022-05-12 thomas return err;
3085 7d0d4920 2022-05-12 thomas }
3086 7d0d4920 2022-05-12 thomas
3087 63915ee5 2022-06-23 thomas static const struct got_error *
3088 63915ee5 2022-06-23 thomas send_idlist(struct imsgbuf *ibuf, struct got_object_id **ids, size_t nids)
3089 7d0d4920 2022-05-12 thomas {
3090 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3091 7d0d4920 2022-05-12 thomas struct got_imsg_object_idlist idlist;
3092 7d0d4920 2022-05-12 thomas struct ibuf *wbuf;
3093 7d0d4920 2022-05-12 thomas size_t i;
3094 7d0d4920 2022-05-12 thomas
3095 c26ee7ad 2022-06-23 thomas memset(&idlist, 0, sizeof(idlist));
3096 c26ee7ad 2022-06-23 thomas
3097 7d0d4920 2022-05-12 thomas if (nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS)
3098 7d0d4920 2022-05-12 thomas return got_error(GOT_ERR_NO_SPACE);
3099 7d0d4920 2022-05-12 thomas
3100 7d0d4920 2022-05-12 thomas wbuf = imsg_create(ibuf, GOT_IMSG_OBJ_ID_LIST, 0, 0,
3101 7d0d4920 2022-05-12 thomas sizeof(idlist) + nids * sizeof(**ids));
3102 7d0d4920 2022-05-12 thomas if (wbuf == NULL) {
3103 7d0d4920 2022-05-12 thomas err = got_error_from_errno("imsg_create OBJ_ID_LIST");
3104 7d0d4920 2022-05-12 thomas return err;
3105 7d0d4920 2022-05-12 thomas }
3106 7d0d4920 2022-05-12 thomas
3107 7d0d4920 2022-05-12 thomas idlist.nids = nids;
3108 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &idlist, sizeof(idlist)) == -1)
3109 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add OBJ_ID_LIST");
3110 7d0d4920 2022-05-12 thomas
3111 7d0d4920 2022-05-12 thomas for (i = 0; i < nids; i++) {
3112 7d0d4920 2022-05-12 thomas struct got_object_id *id = ids[i];
3113 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, id, sizeof(*id)) == -1)
3114 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add OBJ_ID_LIST");
3115 7d0d4920 2022-05-12 thomas }
3116 77402035 2022-06-23 thomas
3117 7d0d4920 2022-05-12 thomas wbuf->fd = -1;
3118 7d0d4920 2022-05-12 thomas imsg_close(ibuf, wbuf);
3119 7d0d4920 2022-05-12 thomas
3120 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3121 7d0d4920 2022-05-12 thomas }
3122 7d0d4920 2022-05-12 thomas
3123 7d0d4920 2022-05-12 thomas const struct got_error *
3124 63915ee5 2022-06-23 thomas got_privsep_send_object_idlist(struct imsgbuf *ibuf,
3125 63915ee5 2022-06-23 thomas struct got_object_id **ids, size_t nids)
3126 63915ee5 2022-06-23 thomas {
3127 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
3128 63915ee5 2022-06-23 thomas struct got_object_id *idlist[GOT_IMSG_OBJ_ID_LIST_MAX_NIDS];
3129 ef53e23c 2022-06-23 thomas int i, queued = 0;
3130 63915ee5 2022-06-23 thomas
3131 77402035 2022-06-23 thomas for (i = 0; i < nids; i++) {
3132 ef53e23c 2022-06-23 thomas idlist[i % nitems(idlist)] = ids[i];
3133 ef53e23c 2022-06-23 thomas queued++;
3134 8f3ec65d 2022-06-23 thomas if (queued >= nitems(idlist)) {
3135 ef53e23c 2022-06-23 thomas err = send_idlist(ibuf, idlist, queued);
3136 63915ee5 2022-06-23 thomas if (err)
3137 63915ee5 2022-06-23 thomas return err;
3138 ef53e23c 2022-06-23 thomas queued = 0;
3139 63915ee5 2022-06-23 thomas }
3140 63915ee5 2022-06-23 thomas }
3141 63915ee5 2022-06-23 thomas
3142 ef53e23c 2022-06-23 thomas if (queued > 0) {
3143 ef53e23c 2022-06-23 thomas err = send_idlist(ibuf, idlist, queued);
3144 63915ee5 2022-06-23 thomas if (err)
3145 63915ee5 2022-06-23 thomas return err;
3146 63915ee5 2022-06-23 thomas }
3147 63915ee5 2022-06-23 thomas
3148 63915ee5 2022-06-23 thomas return NULL;
3149 63915ee5 2022-06-23 thomas }
3150 63915ee5 2022-06-23 thomas
3151 63915ee5 2022-06-23 thomas const struct got_error *
3152 7d0d4920 2022-05-12 thomas got_privsep_send_object_idlist_done(struct imsgbuf *ibuf)
3153 7d0d4920 2022-05-12 thomas {
3154 7d0d4920 2022-05-12 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJ_ID_LIST_DONE, 0, 0, -1, NULL, 0)
3155 7d0d4920 2022-05-12 thomas == -1)
3156 7d0d4920 2022-05-12 thomas return got_error_from_errno("imsg_compose OBJ_ID_LIST_DONE");
3157 7d0d4920 2022-05-12 thomas
3158 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3159 7d0d4920 2022-05-12 thomas }
3160 7d0d4920 2022-05-12 thomas
3161 7d0d4920 2022-05-12 thomas const struct got_error *
3162 7d0d4920 2022-05-12 thomas got_privsep_recv_object_idlist(int *done, struct got_object_id **ids,
3163 7d0d4920 2022-05-12 thomas size_t *nids, struct imsgbuf *ibuf)
3164 7d0d4920 2022-05-12 thomas {
3165 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3166 7d0d4920 2022-05-12 thomas struct imsg imsg;
3167 7d0d4920 2022-05-12 thomas struct got_imsg_object_idlist *idlist;
3168 7d0d4920 2022-05-12 thomas size_t datalen;
3169 7d0d4920 2022-05-12 thomas
3170 7d0d4920 2022-05-12 thomas *ids = NULL;
3171 7d0d4920 2022-05-12 thomas *done = 0;
3172 7d0d4920 2022-05-12 thomas *nids = 0;
3173 7d0d4920 2022-05-12 thomas
3174 7d0d4920 2022-05-12 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3175 7d0d4920 2022-05-12 thomas if (err)
3176 7d0d4920 2022-05-12 thomas return err;
3177 7d0d4920 2022-05-12 thomas
3178 7d0d4920 2022-05-12 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3179 7d0d4920 2022-05-12 thomas switch (imsg.hdr.type) {
3180 7d0d4920 2022-05-12 thomas case GOT_IMSG_OBJ_ID_LIST:
3181 7d0d4920 2022-05-12 thomas if (datalen < sizeof(*idlist)) {
3182 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3183 7d0d4920 2022-05-12 thomas break;
3184 7d0d4920 2022-05-12 thomas }
3185 7d0d4920 2022-05-12 thomas idlist = imsg.data;
3186 31d32634 2022-06-23 thomas if (idlist->nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS ||
3187 31d32634 2022-06-23 thomas idlist->nids * sizeof(**ids) > datalen - sizeof(*idlist)) {
3188 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3189 7d0d4920 2022-05-12 thomas break;
3190 7d0d4920 2022-05-12 thomas }
3191 7d0d4920 2022-05-12 thomas *nids = idlist->nids;
3192 7d0d4920 2022-05-12 thomas *ids = calloc(*nids, sizeof(**ids));
3193 7d0d4920 2022-05-12 thomas if (*ids == NULL) {
3194 7d0d4920 2022-05-12 thomas err = got_error_from_errno("calloc");
3195 7d0d4920 2022-05-12 thomas break;
3196 7d0d4920 2022-05-12 thomas }
3197 623d55de 2022-06-23 thomas memcpy(*ids, (uint8_t *)imsg.data + sizeof(*idlist),
3198 7d0d4920 2022-05-12 thomas *nids * sizeof(**ids));
3199 7d0d4920 2022-05-12 thomas break;
3200 7d0d4920 2022-05-12 thomas case GOT_IMSG_OBJ_ID_LIST_DONE:
3201 7d0d4920 2022-05-12 thomas *done = 1;
3202 7d0d4920 2022-05-12 thomas break;
3203 7d0d4920 2022-05-12 thomas default:
3204 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3205 7d0d4920 2022-05-12 thomas break;
3206 7d0d4920 2022-05-12 thomas }
3207 7d0d4920 2022-05-12 thomas
3208 7d0d4920 2022-05-12 thomas imsg_free(&imsg);
3209 7d0d4920 2022-05-12 thomas
3210 7d0d4920 2022-05-12 thomas return err;
3211 7d0d4920 2022-05-12 thomas }
3212 7d0d4920 2022-05-12 thomas
3213 7d0d4920 2022-05-12 thomas const struct got_error *
3214 7d0d4920 2022-05-12 thomas got_privsep_send_delta_reuse_req(struct imsgbuf *ibuf)
3215 7d0d4920 2022-05-12 thomas {
3216 7d0d4920 2022-05-12 thomas if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_REQUEST, 0, 0, -1, NULL, 0)
3217 7d0d4920 2022-05-12 thomas == -1)
3218 7d0d4920 2022-05-12 thomas return got_error_from_errno("imsg_compose DELTA_REUSE_REQUEST");
3219 7d0d4920 2022-05-12 thomas
3220 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3221 7d0d4920 2022-05-12 thomas }
3222 7d0d4920 2022-05-12 thomas
3223 7d0d4920 2022-05-12 thomas const struct got_error *
3224 7d0d4920 2022-05-12 thomas got_privsep_send_reused_deltas(struct imsgbuf *ibuf,
3225 7d0d4920 2022-05-12 thomas struct got_imsg_reused_delta *deltas, size_t ndeltas)
3226 7d0d4920 2022-05-12 thomas {
3227 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3228 7d0d4920 2022-05-12 thomas struct ibuf *wbuf;
3229 7d0d4920 2022-05-12 thomas struct got_imsg_reused_deltas ideltas;
3230 7d0d4920 2022-05-12 thomas size_t i;
3231 7d0d4920 2022-05-12 thomas
3232 c26ee7ad 2022-06-23 thomas memset(&ideltas, 0, sizeof(ideltas));
3233 c26ee7ad 2022-06-23 thomas
3234 7d0d4920 2022-05-12 thomas if (ndeltas > GOT_IMSG_REUSED_DELTAS_MAX_NDELTAS)
3235 7d0d4920 2022-05-12 thomas return got_error(GOT_ERR_NO_SPACE);
3236 7d0d4920 2022-05-12 thomas
3237 7d0d4920 2022-05-12 thomas wbuf = imsg_create(ibuf, GOT_IMSG_REUSED_DELTAS, 0, 0,
3238 7d0d4920 2022-05-12 thomas sizeof(ideltas) + ndeltas * sizeof(*deltas));
3239 7d0d4920 2022-05-12 thomas if (wbuf == NULL) {
3240 7d0d4920 2022-05-12 thomas err = got_error_from_errno("imsg_create REUSED_DELTAS");
3241 7d0d4920 2022-05-12 thomas return err;
3242 f9c2e8e5 2022-02-13 thomas }
3243 7d0d4920 2022-05-12 thomas
3244 7d0d4920 2022-05-12 thomas ideltas.ndeltas = ndeltas;
3245 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &ideltas, sizeof(ideltas)) == -1)
3246 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add REUSED_DELTAS");
3247 7d0d4920 2022-05-12 thomas
3248 7d0d4920 2022-05-12 thomas for (i = 0; i < ndeltas; i++) {
3249 7d0d4920 2022-05-12 thomas struct got_imsg_reused_delta *delta = &deltas[i];
3250 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, delta, sizeof(*delta)) == -1)
3251 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add REUSED_DELTAS");
3252 7d0d4920 2022-05-12 thomas }
3253 77402035 2022-06-23 thomas
3254 7d0d4920 2022-05-12 thomas wbuf->fd = -1;
3255 7d0d4920 2022-05-12 thomas imsg_close(ibuf, wbuf);
3256 7d0d4920 2022-05-12 thomas
3257 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3258 7d0d4920 2022-05-12 thomas }
3259 7d0d4920 2022-05-12 thomas
3260 7d0d4920 2022-05-12 thomas const struct got_error *
3261 7d0d4920 2022-05-12 thomas got_privsep_send_reused_deltas_done(struct imsgbuf *ibuf)
3262 7d0d4920 2022-05-12 thomas {
3263 7d0d4920 2022-05-12 thomas if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_DONE, 0, 0, -1, NULL, 0)
3264 7d0d4920 2022-05-12 thomas == -1)
3265 7d0d4920 2022-05-12 thomas return got_error_from_errno("imsg_compose DELTA_REUSE_DONE");
3266 7d0d4920 2022-05-12 thomas
3267 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3268 7d0d4920 2022-05-12 thomas }
3269 7d0d4920 2022-05-12 thomas
3270 7d0d4920 2022-05-12 thomas const struct got_error *
3271 7d0d4920 2022-05-12 thomas got_privsep_recv_reused_deltas(int *done, struct got_imsg_reused_delta *deltas,
3272 7d0d4920 2022-05-12 thomas size_t *ndeltas, struct imsgbuf *ibuf)
3273 7d0d4920 2022-05-12 thomas {
3274 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3275 7d0d4920 2022-05-12 thomas struct imsg imsg;
3276 7d0d4920 2022-05-12 thomas struct got_imsg_reused_deltas *ideltas;
3277 7d0d4920 2022-05-12 thomas size_t datalen;
3278 7d0d4920 2022-05-12 thomas
3279 7d0d4920 2022-05-12 thomas *done = 0;
3280 7d0d4920 2022-05-12 thomas *ndeltas = 0;
3281 7d0d4920 2022-05-12 thomas
3282 7d0d4920 2022-05-12 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3283 7d0d4920 2022-05-12 thomas if (err)
3284 7d0d4920 2022-05-12 thomas return err;
3285 7d0d4920 2022-05-12 thomas
3286 7d0d4920 2022-05-12 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3287 7d0d4920 2022-05-12 thomas switch (imsg.hdr.type) {
3288 7d0d4920 2022-05-12 thomas case GOT_IMSG_REUSED_DELTAS:
3289 7d0d4920 2022-05-12 thomas if (datalen < sizeof(*ideltas)) {
3290 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3291 7d0d4920 2022-05-12 thomas break;
3292 7d0d4920 2022-05-12 thomas }
3293 7d0d4920 2022-05-12 thomas ideltas = imsg.data;
3294 31d32634 2022-06-23 thomas if (ideltas->ndeltas > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS ||
3295 31d32634 2022-06-23 thomas ideltas->ndeltas * sizeof(*deltas) >
3296 31d32634 2022-06-23 thomas datalen - sizeof(*ideltas)) {
3297 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3298 7d0d4920 2022-05-12 thomas break;
3299 7d0d4920 2022-05-12 thomas }
3300 7d0d4920 2022-05-12 thomas *ndeltas = ideltas->ndeltas;
3301 623d55de 2022-06-23 thomas memcpy(deltas, (uint8_t *)imsg.data + sizeof(*ideltas),
3302 7d0d4920 2022-05-12 thomas *ndeltas * sizeof(*deltas));
3303 7d0d4920 2022-05-12 thomas break;
3304 7d0d4920 2022-05-12 thomas case GOT_IMSG_DELTA_REUSE_DONE:
3305 7d0d4920 2022-05-12 thomas *done = 1;
3306 7d0d4920 2022-05-12 thomas break;
3307 7d0d4920 2022-05-12 thomas default:
3308 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3309 7d0d4920 2022-05-12 thomas break;
3310 7d0d4920 2022-05-12 thomas }
3311 7d0d4920 2022-05-12 thomas
3312 7d0d4920 2022-05-12 thomas imsg_free(&imsg);
3313 ec2b23c5 2022-07-01 thomas
3314 ec2b23c5 2022-07-01 thomas return err;
3315 ec2b23c5 2022-07-01 thomas }
3316 ec2b23c5 2022-07-01 thomas
3317 ec2b23c5 2022-07-01 thomas const struct got_error *
3318 ec2b23c5 2022-07-01 thomas got_privsep_init_commit_painting(struct imsgbuf *ibuf)
3319 ec2b23c5 2022-07-01 thomas {
3320 ec2b23c5 2022-07-01 thomas if (imsg_compose(ibuf, GOT_IMSG_COMMIT_PAINTING_INIT,
3321 ec2b23c5 2022-07-01 thomas 0, 0, -1, NULL, 0)
3322 ec2b23c5 2022-07-01 thomas == -1)
3323 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_compose "
3324 ec2b23c5 2022-07-01 thomas "COMMIT_PAINTING_INIT");
3325 ec2b23c5 2022-07-01 thomas
3326 ec2b23c5 2022-07-01 thomas return flush_imsg(ibuf);
3327 ec2b23c5 2022-07-01 thomas }
3328 ec2b23c5 2022-07-01 thomas
3329 ec2b23c5 2022-07-01 thomas const struct got_error *
3330 ec2b23c5 2022-07-01 thomas got_privsep_send_painting_request(struct imsgbuf *ibuf, int idx,
3331 ec2b23c5 2022-07-01 thomas struct got_object_id *id, intptr_t color)
3332 ec2b23c5 2022-07-01 thomas {
3333 ec2b23c5 2022-07-01 thomas struct got_imsg_commit_painting_request ireq;
3334 ec2b23c5 2022-07-01 thomas
3335 ec2b23c5 2022-07-01 thomas memset(&ireq, 0, sizeof(ireq));
3336 ec2b23c5 2022-07-01 thomas memcpy(ireq.id, id->sha1, sizeof(ireq.id));
3337 ec2b23c5 2022-07-01 thomas ireq.idx = idx;
3338 ec2b23c5 2022-07-01 thomas ireq.color = color;
3339 ec2b23c5 2022-07-01 thomas
3340 ec2b23c5 2022-07-01 thomas if (imsg_compose(ibuf, GOT_IMSG_COMMIT_PAINTING_REQUEST, 0, 0, -1,
3341 ec2b23c5 2022-07-01 thomas &ireq, sizeof(ireq)) == -1)
3342 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_compose "
3343 ec2b23c5 2022-07-01 thomas "COMMIT_PAINTING_REQUEST");
3344 ec2b23c5 2022-07-01 thomas
3345 ec2b23c5 2022-07-01 thomas return flush_imsg(ibuf);
3346 ec2b23c5 2022-07-01 thomas }
3347 ec2b23c5 2022-07-01 thomas
3348 ec2b23c5 2022-07-01 thomas static const struct got_error *
3349 ec2b23c5 2022-07-01 thomas send_painted_commits(struct got_object_id_queue *ids, int *nids,
3350 ec2b23c5 2022-07-01 thomas size_t remain, int present_in_pack, struct imsgbuf *ibuf)
3351 ec2b23c5 2022-07-01 thomas {
3352 ec2b23c5 2022-07-01 thomas const struct got_error *err = NULL;
3353 ec2b23c5 2022-07-01 thomas struct ibuf *wbuf = NULL;
3354 ec2b23c5 2022-07-01 thomas struct got_object_qid *qid;
3355 ec2b23c5 2022-07-01 thomas size_t msglen;
3356 ec2b23c5 2022-07-01 thomas int ncommits;
3357 ec2b23c5 2022-07-01 thomas intptr_t color;
3358 ec2b23c5 2022-07-01 thomas
3359 ec2b23c5 2022-07-01 thomas msglen = MIN(remain, MAX_IMSGSIZE - IMSG_HEADER_SIZE);
3360 ec2b23c5 2022-07-01 thomas ncommits = (msglen - sizeof(struct got_imsg_painted_commits)) /
3361 ec2b23c5 2022-07-01 thomas sizeof(struct got_imsg_painted_commit);
3362 ec2b23c5 2022-07-01 thomas
3363 ec2b23c5 2022-07-01 thomas wbuf = imsg_create(ibuf, GOT_IMSG_PAINTED_COMMITS, 0, 0, msglen);
3364 ec2b23c5 2022-07-01 thomas if (wbuf == NULL) {
3365 ec2b23c5 2022-07-01 thomas err = got_error_from_errno("imsg_create PAINTED_COMMITS");
3366 ec2b23c5 2022-07-01 thomas return err;
3367 ec2b23c5 2022-07-01 thomas }
3368 ec2b23c5 2022-07-01 thomas
3369 ec2b23c5 2022-07-01 thomas /* Keep in sync with struct got_imsg_painted_commits! */
3370 ec2b23c5 2022-07-01 thomas if (imsg_add(wbuf, &ncommits, sizeof(ncommits)) == -1)
3371 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_add PAINTED_COMMITS");
3372 ec2b23c5 2022-07-01 thomas if (imsg_add(wbuf, &present_in_pack, sizeof(present_in_pack)) == -1)
3373 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_add PAINTED_COMMITS");
3374 ec2b23c5 2022-07-01 thomas
3375 ec2b23c5 2022-07-01 thomas while (ncommits > 0) {
3376 ec2b23c5 2022-07-01 thomas qid = STAILQ_FIRST(ids);
3377 ec2b23c5 2022-07-01 thomas STAILQ_REMOVE_HEAD(ids, entry);
3378 ec2b23c5 2022-07-01 thomas ncommits--;
3379 ec2b23c5 2022-07-01 thomas (*nids)--;
3380 ec2b23c5 2022-07-01 thomas color = (intptr_t)qid->data;
3381 ec2b23c5 2022-07-01 thomas
3382 ec2b23c5 2022-07-01 thomas /* Keep in sync with struct got_imsg_painted_commit! */
3383 ec2b23c5 2022-07-01 thomas if (imsg_add(wbuf, qid->id.sha1, SHA1_DIGEST_LENGTH) == -1)
3384 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_add PAINTED_COMMITS");
3385 ec2b23c5 2022-07-01 thomas if (imsg_add(wbuf, &color, sizeof(color)) == -1)
3386 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_add PAINTED_COMMITS");
3387 ec2b23c5 2022-07-01 thomas
3388 ec2b23c5 2022-07-01 thomas got_object_qid_free(qid);
3389 ec2b23c5 2022-07-01 thomas }
3390 ec2b23c5 2022-07-01 thomas
3391 ec2b23c5 2022-07-01 thomas wbuf->fd = -1;
3392 ec2b23c5 2022-07-01 thomas imsg_close(ibuf, wbuf);
3393 ec2b23c5 2022-07-01 thomas
3394 ec2b23c5 2022-07-01 thomas return flush_imsg(ibuf);
3395 ec2b23c5 2022-07-01 thomas }
3396 ec2b23c5 2022-07-01 thomas
3397 ec2b23c5 2022-07-01 thomas const struct got_error *
3398 ec2b23c5 2022-07-01 thomas got_privsep_send_painted_commits(struct imsgbuf *ibuf,
3399 ec2b23c5 2022-07-01 thomas struct got_object_id_queue *ids, int *nids,
3400 ec2b23c5 2022-07-01 thomas int present_in_pack, int flush)
3401 ec2b23c5 2022-07-01 thomas {
3402 ec2b23c5 2022-07-01 thomas const struct got_error *err;
3403 ec2b23c5 2022-07-01 thomas size_t remain;
3404 7d0d4920 2022-05-12 thomas
3405 ec2b23c5 2022-07-01 thomas if (*nids <= 0)
3406 ec2b23c5 2022-07-01 thomas return NULL;
3407 ec2b23c5 2022-07-01 thomas
3408 ec2b23c5 2022-07-01 thomas do {
3409 ec2b23c5 2022-07-01 thomas remain = (sizeof(struct got_imsg_painted_commits)) +
3410 ec2b23c5 2022-07-01 thomas *nids * sizeof(struct got_imsg_painted_commit);
3411 ec2b23c5 2022-07-01 thomas if (flush || remain >= MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
3412 ec2b23c5 2022-07-01 thomas err = send_painted_commits(ids, nids, remain,
3413 ec2b23c5 2022-07-01 thomas present_in_pack, ibuf);
3414 ec2b23c5 2022-07-01 thomas if (err)
3415 ec2b23c5 2022-07-01 thomas return err;
3416 ec2b23c5 2022-07-01 thomas }
3417 ec2b23c5 2022-07-01 thomas } while (flush && *nids > 0);
3418 ec2b23c5 2022-07-01 thomas
3419 ec2b23c5 2022-07-01 thomas return NULL;
3420 ec2b23c5 2022-07-01 thomas }
3421 ec2b23c5 2022-07-01 thomas
3422 ec2b23c5 2022-07-01 thomas const struct got_error *
3423 ec2b23c5 2022-07-01 thomas got_privsep_send_painting_commits_done(struct imsgbuf *ibuf)
3424 ec2b23c5 2022-07-01 thomas {
3425 ec2b23c5 2022-07-01 thomas if (imsg_compose(ibuf, GOT_IMSG_COMMIT_PAINTING_DONE,
3426 ec2b23c5 2022-07-01 thomas 0, 0, -1, NULL, 0)
3427 ec2b23c5 2022-07-01 thomas == -1)
3428 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_compose "
3429 ec2b23c5 2022-07-01 thomas "COMMIT_PAINTING_DONE");
3430 ec2b23c5 2022-07-01 thomas
3431 ec2b23c5 2022-07-01 thomas return flush_imsg(ibuf);
3432 ec2b23c5 2022-07-01 thomas }
3433 ec2b23c5 2022-07-01 thomas
3434 ec2b23c5 2022-07-01 thomas const struct got_error *
3435 ec2b23c5 2022-07-01 thomas got_privsep_recv_painted_commits(struct got_object_id_queue *new_ids,
3436 ec2b23c5 2022-07-01 thomas got_privsep_recv_painted_commit_cb cb, void *cb_arg, struct imsgbuf *ibuf)
3437 ec2b23c5 2022-07-01 thomas {
3438 ec2b23c5 2022-07-01 thomas const struct got_error *err = NULL;
3439 ec2b23c5 2022-07-01 thomas struct imsg imsg;
3440 ec2b23c5 2022-07-01 thomas struct got_imsg_painted_commits icommits;
3441 ec2b23c5 2022-07-01 thomas struct got_imsg_painted_commit icommit;
3442 ec2b23c5 2022-07-01 thomas size_t datalen;
3443 ec2b23c5 2022-07-01 thomas int i;
3444 ec2b23c5 2022-07-01 thomas
3445 ec2b23c5 2022-07-01 thomas for (;;) {
3446 ec2b23c5 2022-07-01 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3447 ec2b23c5 2022-07-01 thomas if (err)
3448 ec2b23c5 2022-07-01 thomas return err;
3449 ec2b23c5 2022-07-01 thomas
3450 ec2b23c5 2022-07-01 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3451 ec2b23c5 2022-07-01 thomas if (imsg.hdr.type == GOT_IMSG_COMMIT_PAINTING_DONE)
3452 ec2b23c5 2022-07-01 thomas break;
3453 ec2b23c5 2022-07-01 thomas if (imsg.hdr.type != GOT_IMSG_PAINTED_COMMITS)
3454 ec2b23c5 2022-07-01 thomas return got_error(GOT_ERR_PRIVSEP_MSG);
3455 ec2b23c5 2022-07-01 thomas
3456 ec2b23c5 2022-07-01 thomas if (datalen < sizeof(icommits))
3457 ec2b23c5 2022-07-01 thomas return got_error(GOT_ERR_PRIVSEP_LEN);
3458 ec2b23c5 2022-07-01 thomas memcpy(&icommits, imsg.data, sizeof(icommits));
3459 ec2b23c5 2022-07-01 thomas if (icommits.ncommits * sizeof(icommit) < icommits.ncommits ||
3460 ec2b23c5 2022-07-01 thomas datalen < sizeof(icommits) +
3461 ec2b23c5 2022-07-01 thomas icommits.ncommits * sizeof(icommit))
3462 ec2b23c5 2022-07-01 thomas return got_error(GOT_ERR_PRIVSEP_LEN);
3463 ec2b23c5 2022-07-01 thomas
3464 ec2b23c5 2022-07-01 thomas for (i = 0; i < icommits.ncommits; i++) {
3465 ec2b23c5 2022-07-01 thomas memcpy(&icommit,
3466 ec2b23c5 2022-07-01 thomas (uint8_t *)imsg.data + sizeof(icommits) + i * sizeof(icommit),
3467 ec2b23c5 2022-07-01 thomas sizeof(icommit));
3468 ec2b23c5 2022-07-01 thomas
3469 ec2b23c5 2022-07-01 thomas if (icommits.present_in_pack) {
3470 ec2b23c5 2022-07-01 thomas struct got_object_id id;
3471 ec2b23c5 2022-07-01 thomas memcpy(id.sha1, icommit.id, SHA1_DIGEST_LENGTH);
3472 ec2b23c5 2022-07-01 thomas err = cb(cb_arg, &id, icommit.color);
3473 ec2b23c5 2022-07-01 thomas if (err)
3474 ec2b23c5 2022-07-01 thomas break;
3475 ec2b23c5 2022-07-01 thomas } else {
3476 ec2b23c5 2022-07-01 thomas struct got_object_qid *qid;
3477 ec2b23c5 2022-07-01 thomas err = got_object_qid_alloc_partial(&qid);
3478 ec2b23c5 2022-07-01 thomas if (err)
3479 ec2b23c5 2022-07-01 thomas break;
3480 ec2b23c5 2022-07-01 thomas memcpy(qid->id.sha1, icommit.id,
3481 ec2b23c5 2022-07-01 thomas SHA1_DIGEST_LENGTH);
3482 ec2b23c5 2022-07-01 thomas qid->data = (void *)icommit.color;
3483 ec2b23c5 2022-07-01 thomas STAILQ_INSERT_TAIL(new_ids, qid, entry);
3484 ec2b23c5 2022-07-01 thomas }
3485 ec2b23c5 2022-07-01 thomas }
3486 ec2b23c5 2022-07-01 thomas
3487 ec2b23c5 2022-07-01 thomas imsg_free(&imsg);
3488 ec2b23c5 2022-07-01 thomas }
3489 ec2b23c5 2022-07-01 thomas
3490 f9c2e8e5 2022-02-13 thomas return err;
3491 f9c2e8e5 2022-02-13 thomas }
3492 f9c2e8e5 2022-02-13 thomas
3493 f9c2e8e5 2022-02-13 thomas const struct got_error *
3494 63219cd2 2019-01-04 stsp got_privsep_unveil_exec_helpers(void)
3495 63219cd2 2019-01-04 stsp {
3496 c39c25dd 2019-08-09 stsp const char *helpers[] = {
3497 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_PACK,
3498 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_OBJECT,
3499 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_COMMIT,
3500 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TREE,
3501 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_BLOB,
3502 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TAG,
3503 aba9c984 2019-09-08 stsp GOT_PATH_PROG_READ_GITCONFIG,
3504 257add31 2020-09-09 stsp GOT_PATH_PROG_READ_GOTCONFIG,
3505 069bbb86 2022-03-07 thomas GOT_PATH_PROG_READ_PATCH,
3506 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_FETCH_PACK,
3507 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_INDEX_PACK,
3508 f8a36e22 2021-08-26 stsp GOT_PATH_PROG_SEND_PACK,
3509 c39c25dd 2019-08-09 stsp };
3510 16aeacf7 2020-11-26 stsp size_t i;
3511 63219cd2 2019-01-04 stsp
3512 c39c25dd 2019-08-09 stsp for (i = 0; i < nitems(helpers); i++) {
3513 c39c25dd 2019-08-09 stsp if (unveil(helpers[i], "x") == 0)
3514 c39c25dd 2019-08-09 stsp continue;
3515 c39c25dd 2019-08-09 stsp return got_error_from_errno2("unveil", helpers[i]);
3516 c39c25dd 2019-08-09 stsp }
3517 c39c25dd 2019-08-09 stsp
3518 63219cd2 2019-01-04 stsp return NULL;
3519 876c234b 2018-09-10 stsp }
3520 aba9c984 2019-09-08 stsp
3521 aba9c984 2019-09-08 stsp void
3522 aba9c984 2019-09-08 stsp got_privsep_exec_child(int imsg_fds[2], const char *path, const char *repo_path)
3523 aba9c984 2019-09-08 stsp {
3524 08578a35 2021-01-22 stsp if (close(imsg_fds[0]) == -1) {
3525 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3526 aba9c984 2019-09-08 stsp _exit(1);
3527 aba9c984 2019-09-08 stsp }
3528 aba9c984 2019-09-08 stsp
3529 aba9c984 2019-09-08 stsp if (dup2(imsg_fds[1], GOT_IMSG_FD_CHILD) == -1) {
3530 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3531 aba9c984 2019-09-08 stsp _exit(1);
3532 aba9c984 2019-09-08 stsp }
3533 aba9c984 2019-09-08 stsp
3534 ce95518e 2021-12-10 thomas closefrom(GOT_IMSG_FD_CHILD + 1);
3535 ce95518e 2021-12-10 thomas
3536 aba9c984 2019-09-08 stsp if (execl(path, path, repo_path, (char *)NULL) == -1) {
3537 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s: %s\n", getprogname(), path,
3538 aba9c984 2019-09-08 stsp strerror(errno));
3539 aba9c984 2019-09-08 stsp _exit(1);
3540 aba9c984 2019-09-08 stsp }
3541 aba9c984 2019-09-08 stsp }