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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 2178c42e 2018-04-22 stsp #include <sys/queue.h>
20 2178c42e 2018-04-22 stsp #include <sys/uio.h>
21 876c234b 2018-09-10 stsp #include <sys/wait.h>
22 2178c42e 2018-04-22 stsp
23 531c3985 2020-03-18 stsp #include <ctype.h>
24 23c57b28 2020-09-11 naddy #include <limits.h>
25 a486b62b 2021-05-18 stsp #include <signal.h>
26 2178c42e 2018-04-22 stsp #include <stdio.h>
27 2178c42e 2018-04-22 stsp #include <stdlib.h>
28 2178c42e 2018-04-22 stsp #include <string.h>
29 2178c42e 2018-04-22 stsp #include <errno.h>
30 2178c42e 2018-04-22 stsp #include <stdint.h>
31 2178c42e 2018-04-22 stsp #include <poll.h>
32 2178c42e 2018-04-22 stsp #include <imsg.h>
33 2178c42e 2018-04-22 stsp #include <sha1.h>
34 81a12da5 2020-09-09 naddy #include <unistd.h>
35 2178c42e 2018-04-22 stsp #include <zlib.h>
36 788c352e 2018-06-16 stsp #include <time.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 2178c42e 2018-04-22 stsp
51 2178c42e 2018-04-22 stsp #ifndef MIN
52 2178c42e 2018-04-22 stsp #define MIN(_a,_b) ((_a) < (_b) ? (_a) : (_b))
53 c39c25dd 2019-08-09 stsp #endif
54 c39c25dd 2019-08-09 stsp
55 c39c25dd 2019-08-09 stsp #ifndef nitems
56 c39c25dd 2019-08-09 stsp #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
57 2178c42e 2018-04-22 stsp #endif
58 2178c42e 2018-04-22 stsp
59 2178c42e 2018-04-22 stsp static const struct got_error *
60 2178c42e 2018-04-22 stsp poll_fd(int fd, int events, int timeout)
61 2178c42e 2018-04-22 stsp {
62 2178c42e 2018-04-22 stsp struct pollfd pfd[1];
63 a486b62b 2021-05-18 stsp struct timespec ts;
64 a486b62b 2021-05-18 stsp sigset_t sigset;
65 2178c42e 2018-04-22 stsp int n;
66 2178c42e 2018-04-22 stsp
67 2178c42e 2018-04-22 stsp pfd[0].fd = fd;
68 2178c42e 2018-04-22 stsp pfd[0].events = events;
69 2178c42e 2018-04-22 stsp
70 a486b62b 2021-05-18 stsp ts.tv_sec = timeout;
71 a486b62b 2021-05-18 stsp ts.tv_nsec = 0;
72 a486b62b 2021-05-18 stsp
73 a486b62b 2021-05-18 stsp if (sigemptyset(&sigset) == -1)
74 a486b62b 2021-05-18 stsp return got_error_from_errno("sigemptyset");
75 a486b62b 2021-05-18 stsp if (sigaddset(&sigset, SIGWINCH) == -1)
76 a486b62b 2021-05-18 stsp return got_error_from_errno("sigaddset");
77 a486b62b 2021-05-18 stsp
78 a486b62b 2021-05-18 stsp n = ppoll(pfd, 1, timeout == INFTIM ? NULL : &ts, &sigset);
79 2178c42e 2018-04-22 stsp if (n == -1)
80 932dbee7 2021-05-19 stsp return got_error_from_errno("ppoll");
81 2178c42e 2018-04-22 stsp if (n == 0)
82 2178c42e 2018-04-22 stsp return got_error(GOT_ERR_TIMEOUT);
83 2178c42e 2018-04-22 stsp if (pfd[0].revents & (POLLERR | POLLNVAL))
84 638f9024 2019-05-13 stsp return got_error_from_errno("poll error");
85 2178c42e 2018-04-22 stsp if (pfd[0].revents & (events | POLLHUP))
86 2178c42e 2018-04-22 stsp return NULL;
87 2178c42e 2018-04-22 stsp
88 2178c42e 2018-04-22 stsp return got_error(GOT_ERR_INTERRUPT);
89 2178c42e 2018-04-22 stsp }
90 2178c42e 2018-04-22 stsp
91 c4eae628 2018-04-23 stsp static const struct got_error *
92 e033d803 2018-04-23 stsp read_imsg(struct imsgbuf *ibuf)
93 fe36cf76 2018-04-23 stsp {
94 fe36cf76 2018-04-23 stsp const struct got_error *err;
95 e033d803 2018-04-23 stsp size_t n;
96 fe36cf76 2018-04-23 stsp
97 2ab71455 2022-05-19 stsp /*
98 2ab71455 2022-05-19 stsp * There is no imsg API function to tell us whether the
99 2ab71455 2022-05-19 stsp * read buffer still contains pending data :-(
100 2ab71455 2022-05-19 stsp */
101 2ab71455 2022-05-19 stsp if (ibuf->r.wpos < IMSG_HEADER_SIZE) {
102 2ab71455 2022-05-19 stsp err = poll_fd(ibuf->fd, POLLIN, INFTIM);
103 2ab71455 2022-05-19 stsp if (err)
104 2ab71455 2022-05-19 stsp return err;
105 2ab71455 2022-05-19 stsp }
106 fe36cf76 2018-04-23 stsp
107 fe36cf76 2018-04-23 stsp n = imsg_read(ibuf);
108 fe36cf76 2018-04-23 stsp if (n == -1) {
109 fe36cf76 2018-04-23 stsp if (errno == EAGAIN) /* Could be a file-descriptor leak. */
110 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_NO_FD);
111 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_READ);
112 fe36cf76 2018-04-23 stsp }
113 fe36cf76 2018-04-23 stsp if (n == 0)
114 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_PIPE);
115 fe36cf76 2018-04-23 stsp
116 e033d803 2018-04-23 stsp return NULL;
117 e033d803 2018-04-23 stsp }
118 e033d803 2018-04-23 stsp
119 ad242220 2018-09-08 stsp const struct got_error *
120 876c234b 2018-09-10 stsp got_privsep_wait_for_child(pid_t pid)
121 876c234b 2018-09-10 stsp {
122 876c234b 2018-09-10 stsp int child_status;
123 876c234b 2018-09-10 stsp
124 2cb49fa8 2019-05-10 stsp if (waitpid(pid, &child_status, 0) == -1)
125 638f9024 2019-05-13 stsp return got_error_from_errno("waitpid");
126 876c234b 2018-09-10 stsp
127 876c234b 2018-09-10 stsp if (!WIFEXITED(child_status))
128 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_DIED);
129 876c234b 2018-09-10 stsp
130 876c234b 2018-09-10 stsp if (WEXITSTATUS(child_status) != 0)
131 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_EXIT);
132 876c234b 2018-09-10 stsp
133 876c234b 2018-09-10 stsp return NULL;
134 876c234b 2018-09-10 stsp }
135 876c234b 2018-09-10 stsp
136 73b7854a 2018-11-11 stsp static const struct got_error *
137 73b7854a 2018-11-11 stsp recv_imsg_error(struct imsg *imsg, size_t datalen)
138 73b7854a 2018-11-11 stsp {
139 73b7854a 2018-11-11 stsp struct got_imsg_error *ierr;
140 73b7854a 2018-11-11 stsp
141 73b7854a 2018-11-11 stsp if (datalen != sizeof(*ierr))
142 73b7854a 2018-11-11 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
143 73b7854a 2018-11-11 stsp
144 73b7854a 2018-11-11 stsp ierr = imsg->data;
145 73b7854a 2018-11-11 stsp if (ierr->code == GOT_ERR_ERRNO) {
146 73b7854a 2018-11-11 stsp static struct got_error serr;
147 73b7854a 2018-11-11 stsp serr.code = GOT_ERR_ERRNO;
148 73b7854a 2018-11-11 stsp serr.msg = strerror(ierr->errno_code);
149 73b7854a 2018-11-11 stsp return &serr;
150 73b7854a 2018-11-11 stsp }
151 73b7854a 2018-11-11 stsp
152 73b7854a 2018-11-11 stsp return got_error(ierr->code);
153 73b7854a 2018-11-11 stsp }
154 73b7854a 2018-11-11 stsp
155 876c234b 2018-09-10 stsp const struct got_error *
156 46de5bfd 2018-11-11 stsp got_privsep_recv_imsg(struct imsg *imsg, struct imsgbuf *ibuf,
157 46de5bfd 2018-11-11 stsp size_t min_datalen)
158 e033d803 2018-04-23 stsp {
159 e033d803 2018-04-23 stsp const struct got_error *err;
160 e033d803 2018-04-23 stsp ssize_t n;
161 e033d803 2018-04-23 stsp
162 e033d803 2018-04-23 stsp n = imsg_get(ibuf, imsg);
163 876c234b 2018-09-10 stsp if (n == -1)
164 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_get");
165 876c234b 2018-09-10 stsp
166 876c234b 2018-09-10 stsp while (n == 0) {
167 876c234b 2018-09-10 stsp err = read_imsg(ibuf);
168 876c234b 2018-09-10 stsp if (err)
169 876c234b 2018-09-10 stsp return err;
170 876c234b 2018-09-10 stsp n = imsg_get(ibuf, imsg);
171 cbfaaf20 2020-01-06 stsp if (n == -1)
172 cbfaaf20 2020-01-06 stsp return got_error_from_errno("imsg_get");
173 876c234b 2018-09-10 stsp }
174 fe36cf76 2018-04-23 stsp
175 fe36cf76 2018-04-23 stsp if (imsg->hdr.len < IMSG_HEADER_SIZE + min_datalen)
176 c4eae628 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
177 c4eae628 2018-04-23 stsp
178 73b7854a 2018-11-11 stsp if (imsg->hdr.type == GOT_IMSG_ERROR) {
179 73b7854a 2018-11-11 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
180 73b7854a 2018-11-11 stsp return recv_imsg_error(imsg, datalen);
181 c4eae628 2018-04-23 stsp }
182 c4eae628 2018-04-23 stsp
183 73b7854a 2018-11-11 stsp return NULL;
184 c4eae628 2018-04-23 stsp }
185 c4eae628 2018-04-23 stsp
186 2178c42e 2018-04-22 stsp /* Attempt to send an error in an imsg. Complain on stderr as a last resort. */
187 2178c42e 2018-04-22 stsp void
188 2178c42e 2018-04-22 stsp got_privsep_send_error(struct imsgbuf *ibuf, const struct got_error *err)
189 2178c42e 2018-04-22 stsp {
190 2178c42e 2018-04-22 stsp const struct got_error *poll_err;
191 2178c42e 2018-04-22 stsp struct got_imsg_error ierr;
192 2178c42e 2018-04-22 stsp int ret;
193 2178c42e 2018-04-22 stsp
194 2178c42e 2018-04-22 stsp ierr.code = err->code;
195 2178c42e 2018-04-22 stsp if (err->code == GOT_ERR_ERRNO)
196 2178c42e 2018-04-22 stsp ierr.errno_code = errno;
197 2178c42e 2018-04-22 stsp else
198 2178c42e 2018-04-22 stsp ierr.errno_code = 0;
199 2178c42e 2018-04-22 stsp ret = imsg_compose(ibuf, GOT_IMSG_ERROR, 0, 0, -1, &ierr, sizeof(ierr));
200 e93cd828 2018-11-11 stsp if (ret == -1) {
201 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_compose: %s\n",
202 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
203 5d43e84d 2018-04-23 stsp return;
204 2178c42e 2018-04-22 stsp }
205 2178c42e 2018-04-22 stsp
206 2178c42e 2018-04-22 stsp poll_err = poll_fd(ibuf->fd, POLLOUT, INFTIM);
207 5d43e84d 2018-04-23 stsp if (poll_err) {
208 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": poll: %s\n",
209 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, poll_err->msg);
210 5d43e84d 2018-04-23 stsp return;
211 5d43e84d 2018-04-23 stsp }
212 2178c42e 2018-04-22 stsp
213 2178c42e 2018-04-22 stsp ret = imsg_flush(ibuf);
214 5d43e84d 2018-04-23 stsp if (ret == -1) {
215 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_flush: %s\n",
216 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
217 8934ea8b 2022-02-14 op imsg_clear(ibuf);
218 5d43e84d 2018-04-23 stsp return;
219 5d43e84d 2018-04-23 stsp }
220 e033d803 2018-04-23 stsp }
221 e033d803 2018-04-23 stsp
222 e033d803 2018-04-23 stsp static const struct got_error *
223 e033d803 2018-04-23 stsp flush_imsg(struct imsgbuf *ibuf)
224 e033d803 2018-04-23 stsp {
225 e033d803 2018-04-23 stsp const struct got_error *err;
226 e033d803 2018-04-23 stsp
227 e033d803 2018-04-23 stsp err = poll_fd(ibuf->fd, POLLOUT, INFTIM);
228 e033d803 2018-04-23 stsp if (err)
229 e033d803 2018-04-23 stsp return err;
230 e033d803 2018-04-23 stsp
231 8934ea8b 2022-02-14 op if (imsg_flush(ibuf) == -1) {
232 8934ea8b 2022-02-14 op imsg_clear(ibuf);
233 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_flush");
234 8934ea8b 2022-02-14 op }
235 e033d803 2018-04-23 stsp
236 e033d803 2018-04-23 stsp return NULL;
237 ad242220 2018-09-08 stsp }
238 ad242220 2018-09-08 stsp
239 ad242220 2018-09-08 stsp const struct got_error *
240 e70bf110 2020-03-22 stsp got_privsep_flush_imsg(struct imsgbuf *ibuf)
241 e70bf110 2020-03-22 stsp {
242 e70bf110 2020-03-22 stsp return flush_imsg(ibuf);
243 e70bf110 2020-03-22 stsp }
244 e70bf110 2020-03-22 stsp
245 e70bf110 2020-03-22 stsp const struct got_error *
246 ad242220 2018-09-08 stsp got_privsep_send_stop(int fd)
247 ad242220 2018-09-08 stsp {
248 ad242220 2018-09-08 stsp const struct got_error *err = NULL;
249 ad242220 2018-09-08 stsp struct imsgbuf ibuf;
250 ad242220 2018-09-08 stsp
251 ad242220 2018-09-08 stsp imsg_init(&ibuf, fd);
252 ad242220 2018-09-08 stsp
253 ad242220 2018-09-08 stsp if (imsg_compose(&ibuf, GOT_IMSG_STOP, 0, 0, -1, NULL, 0) == -1)
254 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose STOP");
255 ad242220 2018-09-08 stsp
256 ad242220 2018-09-08 stsp err = flush_imsg(&ibuf);
257 ad242220 2018-09-08 stsp return err;
258 7762fe12 2018-11-05 stsp }
259 93658fb9 2020-03-18 stsp
260 93658fb9 2020-03-18 stsp const struct got_error *
261 d5c81d44 2021-07-08 stsp got_privsep_send_obj_req(struct imsgbuf *ibuf, int fd,
262 d5c81d44 2021-07-08 stsp struct got_object_id *id)
263 ad242220 2018-09-08 stsp {
264 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT_REQUEST, 0, 0, fd,
265 d5c81d44 2021-07-08 stsp id, sizeof(*id)) == -1)
266 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT_REQUEST");
267 59d1e4a0 2021-03-10 stsp
268 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
269 59d1e4a0 2021-03-10 stsp }
270 59d1e4a0 2021-03-10 stsp
271 59d1e4a0 2021-03-10 stsp const struct got_error *
272 d5c81d44 2021-07-08 stsp got_privsep_send_raw_obj_req(struct imsgbuf *ibuf, int fd,
273 d5c81d44 2021-07-08 stsp struct got_object_id *id)
274 59d1e4a0 2021-03-10 stsp {
275 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_OBJECT_REQUEST, 0, 0, fd,
276 d5c81d44 2021-07-08 stsp id, sizeof(*id)) == -1)
277 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose RAW_OBJECT_REQUEST");
278 59d1e4a0 2021-03-10 stsp
279 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
280 59d1e4a0 2021-03-10 stsp }
281 59d1e4a0 2021-03-10 stsp
282 59d1e4a0 2021-03-10 stsp const struct got_error *
283 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj_outfd(struct imsgbuf *ibuf, int outfd)
284 59d1e4a0 2021-03-10 stsp {
285 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
286 59d1e4a0 2021-03-10 stsp
287 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_OBJECT_OUTFD, 0, 0, outfd, NULL, 0)
288 59d1e4a0 2021-03-10 stsp == -1) {
289 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_compose RAW_OBJECT_OUTFD");
290 59d1e4a0 2021-03-10 stsp close(outfd);
291 59d1e4a0 2021-03-10 stsp return err;
292 59d1e4a0 2021-03-10 stsp }
293 59d1e4a0 2021-03-10 stsp
294 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
295 59d1e4a0 2021-03-10 stsp }
296 59d1e4a0 2021-03-10 stsp
297 59d1e4a0 2021-03-10 stsp const struct got_error *
298 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj(struct imsgbuf *ibuf, off_t size, size_t hdrlen,
299 59d1e4a0 2021-03-10 stsp uint8_t *data)
300 59d1e4a0 2021-03-10 stsp {
301 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
302 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj iobj;
303 59d1e4a0 2021-03-10 stsp size_t len = sizeof(iobj);
304 59d1e4a0 2021-03-10 stsp struct ibuf *wbuf;
305 1785f84a 2018-12-23 stsp
306 59d1e4a0 2021-03-10 stsp iobj.hdrlen = hdrlen;
307 59d1e4a0 2021-03-10 stsp iobj.size = size;
308 59d1e4a0 2021-03-10 stsp
309 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX)
310 a8591711 2021-06-18 stsp len += (size_t)size + hdrlen;
311 59d1e4a0 2021-03-10 stsp
312 59d1e4a0 2021-03-10 stsp wbuf = imsg_create(ibuf, GOT_IMSG_RAW_OBJECT, 0, 0, len);
313 59d1e4a0 2021-03-10 stsp if (wbuf == NULL) {
314 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_create RAW_OBJECT");
315 59d1e4a0 2021-03-10 stsp return err;
316 59d1e4a0 2021-03-10 stsp }
317 59d1e4a0 2021-03-10 stsp
318 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &iobj, sizeof(iobj)) == -1)
319 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add RAW_OBJECT");
320 59d1e4a0 2021-03-10 stsp
321 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
322 1453347d 2022-05-19 stsp if (imsg_add(wbuf, data, size + hdrlen) == -1)
323 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add RAW_OBJECT");
324 59d1e4a0 2021-03-10 stsp }
325 59d1e4a0 2021-03-10 stsp
326 59d1e4a0 2021-03-10 stsp wbuf->fd = -1;
327 59d1e4a0 2021-03-10 stsp imsg_close(ibuf, wbuf);
328 59d1e4a0 2021-03-10 stsp
329 1785f84a 2018-12-23 stsp return flush_imsg(ibuf);
330 1785f84a 2018-12-23 stsp }
331 1785f84a 2018-12-23 stsp
332 1785f84a 2018-12-23 stsp const struct got_error *
333 59d1e4a0 2021-03-10 stsp got_privsep_recv_raw_obj(uint8_t **outbuf, off_t *size, size_t *hdrlen,
334 59d1e4a0 2021-03-10 stsp struct imsgbuf *ibuf)
335 59d1e4a0 2021-03-10 stsp {
336 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
337 59d1e4a0 2021-03-10 stsp struct imsg imsg;
338 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj *iobj;
339 59d1e4a0 2021-03-10 stsp size_t datalen;
340 59d1e4a0 2021-03-10 stsp
341 59d1e4a0 2021-03-10 stsp *outbuf = NULL;
342 59d1e4a0 2021-03-10 stsp
343 59d1e4a0 2021-03-10 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
344 59d1e4a0 2021-03-10 stsp if (err)
345 59d1e4a0 2021-03-10 stsp return err;
346 59d1e4a0 2021-03-10 stsp
347 59d1e4a0 2021-03-10 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
348 59d1e4a0 2021-03-10 stsp
349 59d1e4a0 2021-03-10 stsp switch (imsg.hdr.type) {
350 59d1e4a0 2021-03-10 stsp case GOT_IMSG_RAW_OBJECT:
351 59d1e4a0 2021-03-10 stsp if (datalen < sizeof(*iobj)) {
352 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
353 59d1e4a0 2021-03-10 stsp break;
354 59d1e4a0 2021-03-10 stsp }
355 59d1e4a0 2021-03-10 stsp iobj = imsg.data;
356 59d1e4a0 2021-03-10 stsp *size = iobj->size;
357 59d1e4a0 2021-03-10 stsp *hdrlen = iobj->hdrlen;
358 59d1e4a0 2021-03-10 stsp
359 59d1e4a0 2021-03-10 stsp if (datalen == sizeof(*iobj)) {
360 59d1e4a0 2021-03-10 stsp /* Data has been written to file descriptor. */
361 59d1e4a0 2021-03-10 stsp break;
362 59d1e4a0 2021-03-10 stsp }
363 59d1e4a0 2021-03-10 stsp
364 a8591711 2021-06-18 stsp if (*size + *hdrlen > GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
365 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
366 59d1e4a0 2021-03-10 stsp break;
367 59d1e4a0 2021-03-10 stsp }
368 59d1e4a0 2021-03-10 stsp
369 a8591711 2021-06-18 stsp *outbuf = malloc(*size + *hdrlen);
370 59d1e4a0 2021-03-10 stsp if (*outbuf == NULL) {
371 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("malloc");
372 59d1e4a0 2021-03-10 stsp break;
373 59d1e4a0 2021-03-10 stsp }
374 a8591711 2021-06-18 stsp memcpy(*outbuf, imsg.data + sizeof(*iobj), *size + *hdrlen);
375 59d1e4a0 2021-03-10 stsp break;
376 59d1e4a0 2021-03-10 stsp default:
377 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
378 59d1e4a0 2021-03-10 stsp break;
379 59d1e4a0 2021-03-10 stsp }
380 59d1e4a0 2021-03-10 stsp
381 59d1e4a0 2021-03-10 stsp imsg_free(&imsg);
382 59d1e4a0 2021-03-10 stsp
383 59d1e4a0 2021-03-10 stsp return err;
384 59d1e4a0 2021-03-10 stsp }
385 59d1e4a0 2021-03-10 stsp
386 59d1e4a0 2021-03-10 stsp const struct got_error *
387 1785f84a 2018-12-23 stsp got_privsep_send_commit_req(struct imsgbuf *ibuf, int fd,
388 1785f84a 2018-12-23 stsp struct got_object_id *id, int pack_idx)
389 1785f84a 2018-12-23 stsp {
390 41496140 2019-02-21 stsp const struct got_error *err = NULL;
391 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
392 d5c81d44 2021-07-08 stsp void *data;
393 1785f84a 2018-12-23 stsp size_t len;
394 1785f84a 2018-12-23 stsp
395 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* commit is packed */
396 1785f84a 2018-12-23 stsp iobj.idx = pack_idx;
397 1785f84a 2018-12-23 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
398 d5c81d44 2021-07-08 stsp data = &iobj;
399 1785f84a 2018-12-23 stsp len = sizeof(iobj);
400 1785f84a 2018-12-23 stsp } else {
401 d5c81d44 2021-07-08 stsp data = id;
402 d5c81d44 2021-07-08 stsp len = sizeof(*id);
403 1785f84a 2018-12-23 stsp }
404 1785f84a 2018-12-23 stsp
405 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_REQUEST, 0, 0, fd, data, len)
406 41496140 2019-02-21 stsp == -1) {
407 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT_REQUEST");
408 41496140 2019-02-21 stsp close(fd);
409 41496140 2019-02-21 stsp return err;
410 41496140 2019-02-21 stsp }
411 13c729f7 2018-12-24 stsp
412 13c729f7 2018-12-24 stsp return flush_imsg(ibuf);
413 13c729f7 2018-12-24 stsp }
414 13c729f7 2018-12-24 stsp
415 13c729f7 2018-12-24 stsp const struct got_error *
416 13c729f7 2018-12-24 stsp got_privsep_send_tree_req(struct imsgbuf *ibuf, int fd,
417 13c729f7 2018-12-24 stsp struct got_object_id *id, int pack_idx)
418 13c729f7 2018-12-24 stsp {
419 7f358e3b 2019-11-23 stsp struct ibuf *wbuf;
420 d5c81d44 2021-07-08 stsp size_t len;
421 7f358e3b 2019-11-23 stsp
422 d5c81d44 2021-07-08 stsp if (pack_idx != -1)
423 d5c81d44 2021-07-08 stsp len = sizeof(struct got_imsg_packed_object);
424 d5c81d44 2021-07-08 stsp else
425 d5c81d44 2021-07-08 stsp len = sizeof(*id);
426 d5c81d44 2021-07-08 stsp
427 7f358e3b 2019-11-23 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_REQUEST, 0, 0, len);
428 7f358e3b 2019-11-23 stsp if (wbuf == NULL)
429 7f358e3b 2019-11-23 stsp return got_error_from_errno("imsg_create TREE_REQUEST");
430 13c729f7 2018-12-24 stsp
431 1453347d 2022-05-19 stsp if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1)
432 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_REQUEST");
433 13c729f7 2018-12-24 stsp
434 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tree is packed */
435 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &pack_idx, sizeof(pack_idx)) == -1)
436 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_REQUEST");
437 41496140 2019-02-21 stsp }
438 268f7291 2018-12-24 stsp
439 7f358e3b 2019-11-23 stsp wbuf->fd = fd;
440 7f358e3b 2019-11-23 stsp imsg_close(ibuf, wbuf);
441 7f358e3b 2019-11-23 stsp
442 268f7291 2018-12-24 stsp return flush_imsg(ibuf);
443 268f7291 2018-12-24 stsp }
444 268f7291 2018-12-24 stsp
445 268f7291 2018-12-24 stsp const struct got_error *
446 268f7291 2018-12-24 stsp got_privsep_send_tag_req(struct imsgbuf *ibuf, int fd,
447 268f7291 2018-12-24 stsp struct got_object_id *id, int pack_idx)
448 268f7291 2018-12-24 stsp {
449 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
450 d5c81d44 2021-07-08 stsp void *data;
451 268f7291 2018-12-24 stsp size_t len;
452 268f7291 2018-12-24 stsp
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 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* blob is packed */
480 ebc55e2d 2018-12-24 stsp iobj.idx = pack_idx;
481 ebc55e2d 2018-12-24 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
482 d5c81d44 2021-07-08 stsp data = &iobj;
483 ebc55e2d 2018-12-24 stsp len = sizeof(iobj);
484 ebc55e2d 2018-12-24 stsp } else {
485 d5c81d44 2021-07-08 stsp data = id;
486 d5c81d44 2021-07-08 stsp len = sizeof(*id);
487 ebc55e2d 2018-12-24 stsp }
488 ebc55e2d 2018-12-24 stsp
489 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_REQUEST, 0, 0, infd, data, len)
490 41496140 2019-02-21 stsp == -1) {
491 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_REQUEST");
492 41496140 2019-02-21 stsp close(infd);
493 41496140 2019-02-21 stsp return err;
494 41496140 2019-02-21 stsp }
495 ad242220 2018-09-08 stsp
496 55da3778 2018-09-10 stsp return flush_imsg(ibuf);
497 55da3778 2018-09-10 stsp }
498 ad242220 2018-09-08 stsp
499 55da3778 2018-09-10 stsp const struct got_error *
500 55da3778 2018-09-10 stsp got_privsep_send_blob_outfd(struct imsgbuf *ibuf, int outfd)
501 55da3778 2018-09-10 stsp {
502 41496140 2019-02-21 stsp const struct got_error *err = NULL;
503 41496140 2019-02-21 stsp
504 ad242220 2018-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_OUTFD, 0, 0, outfd, NULL, 0)
505 41496140 2019-02-21 stsp == -1) {
506 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_OUTFD");
507 41496140 2019-02-21 stsp close(outfd);
508 41496140 2019-02-21 stsp return err;
509 41496140 2019-02-21 stsp }
510 3840f4c9 2018-09-12 stsp
511 3840f4c9 2018-09-12 stsp return flush_imsg(ibuf);
512 3840f4c9 2018-09-12 stsp }
513 3840f4c9 2018-09-12 stsp
514 73ab1060 2020-03-18 stsp static const struct got_error *
515 73ab1060 2020-03-18 stsp send_fd(struct imsgbuf *ibuf, int imsg_code, int fd)
516 3840f4c9 2018-09-12 stsp {
517 41496140 2019-02-21 stsp const struct got_error *err = NULL;
518 41496140 2019-02-21 stsp
519 73ab1060 2020-03-18 stsp if (imsg_compose(ibuf, imsg_code, 0, 0, fd, NULL, 0) == -1) {
520 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TMPFD");
521 41496140 2019-02-21 stsp close(fd);
522 41496140 2019-02-21 stsp return err;
523 41496140 2019-02-21 stsp }
524 ad242220 2018-09-08 stsp
525 ad242220 2018-09-08 stsp return flush_imsg(ibuf);
526 ad242220 2018-09-08 stsp }
527 ad242220 2018-09-08 stsp
528 ad242220 2018-09-08 stsp const struct got_error *
529 73ab1060 2020-03-18 stsp got_privsep_send_tmpfd(struct imsgbuf *ibuf, int fd)
530 73ab1060 2020-03-18 stsp {
531 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_TMPFD, fd);
532 73ab1060 2020-03-18 stsp }
533 73ab1060 2020-03-18 stsp
534 73ab1060 2020-03-18 stsp const struct got_error *
535 876c234b 2018-09-10 stsp got_privsep_send_obj(struct imsgbuf *ibuf, struct got_object *obj)
536 2178c42e 2018-04-22 stsp {
537 2178c42e 2018-04-22 stsp struct got_imsg_object iobj;
538 2178c42e 2018-04-22 stsp
539 c59b3346 2018-09-11 stsp memcpy(iobj.id, obj->id.sha1, sizeof(iobj.id));
540 2178c42e 2018-04-22 stsp iobj.type = obj->type;
541 2178c42e 2018-04-22 stsp iobj.flags = obj->flags;
542 2178c42e 2018-04-22 stsp iobj.hdrlen = obj->hdrlen;
543 2178c42e 2018-04-22 stsp iobj.size = obj->size;
544 c59b3346 2018-09-11 stsp if (iobj.flags & GOT_OBJ_FLAG_PACKED) {
545 876c234b 2018-09-10 stsp iobj.pack_offset = obj->pack_offset;
546 c59b3346 2018-09-11 stsp iobj.pack_idx = obj->pack_idx;
547 c59b3346 2018-09-11 stsp }
548 2178c42e 2018-04-22 stsp
549 2178c42e 2018-04-22 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT, 0, 0, -1, &iobj, sizeof(iobj))
550 2178c42e 2018-04-22 stsp == -1)
551 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT");
552 2178c42e 2018-04-22 stsp
553 c59b3346 2018-09-11 stsp return flush_imsg(ibuf);
554 cfd633c2 2018-09-10 stsp }
555 cfd633c2 2018-09-10 stsp
556 cfd633c2 2018-09-10 stsp const struct got_error *
557 33501562 2020-03-18 stsp got_privsep_send_fetch_req(struct imsgbuf *ibuf, int fd,
558 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs, int fetch_all_branches,
559 abc59930 2021-09-05 naddy struct got_pathlist_head *wanted_branches,
560 abc59930 2021-09-05 naddy struct got_pathlist_head *wanted_refs, int list_refs_only, int verbosity)
561 93658fb9 2020-03-18 stsp {
562 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
563 33501562 2020-03-18 stsp struct ibuf *wbuf;
564 4ba14133 2020-03-20 stsp size_t len;
565 33501562 2020-03-18 stsp struct got_pathlist_entry *pe;
566 4ba14133 2020-03-20 stsp struct got_imsg_fetch_request fetchreq;
567 93658fb9 2020-03-18 stsp
568 4ba14133 2020-03-20 stsp memset(&fetchreq, 0, sizeof(fetchreq));
569 4ba14133 2020-03-20 stsp fetchreq.fetch_all_branches = fetch_all_branches;
570 41b0de12 2020-03-21 stsp fetchreq.list_refs_only = list_refs_only;
571 2690194b 2020-03-21 stsp fetchreq.verbosity = verbosity;
572 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, have_refs, entry)
573 4ba14133 2020-03-20 stsp fetchreq.n_have_refs++;
574 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry)
575 4ba14133 2020-03-20 stsp fetchreq.n_wanted_branches++;
576 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry)
577 0e4002ca 2020-03-21 stsp fetchreq.n_wanted_refs++;
578 659e7fbd 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_request);
579 33501562 2020-03-18 stsp if (len >= MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
580 33501562 2020-03-18 stsp close(fd);
581 33501562 2020-03-18 stsp return got_error(GOT_ERR_NO_SPACE);
582 33501562 2020-03-18 stsp }
583 33501562 2020-03-18 stsp
584 4ba14133 2020-03-20 stsp if (imsg_compose(ibuf, GOT_IMSG_FETCH_REQUEST, 0, 0, fd,
585 4ba14133 2020-03-20 stsp &fetchreq, sizeof(fetchreq)) == -1)
586 4ba14133 2020-03-20 stsp return got_error_from_errno(
587 4ba14133 2020-03-20 stsp "imsg_compose FETCH_SERVER_PROGRESS");
588 33501562 2020-03-18 stsp
589 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
590 4ba14133 2020-03-20 stsp if (err) {
591 659e7fbd 2020-03-20 stsp close(fd);
592 659e7fbd 2020-03-20 stsp return err;
593 659e7fbd 2020-03-20 stsp }
594 4ba14133 2020-03-20 stsp fd = -1;
595 33501562 2020-03-18 stsp
596 33501562 2020-03-18 stsp TAILQ_FOREACH(pe, have_refs, entry) {
597 33501562 2020-03-18 stsp const char *name = pe->path;
598 33501562 2020-03-18 stsp size_t name_len = pe->path_len;
599 33501562 2020-03-18 stsp struct got_object_id *id = pe->data;
600 33501562 2020-03-18 stsp
601 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_have_ref) + name_len;
602 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_HAVE_REF, 0, 0, len);
603 4ba14133 2020-03-20 stsp if (wbuf == NULL)
604 4ba14133 2020-03-20 stsp return got_error_from_errno("imsg_create FETCH_HAVE_REF");
605 4ba14133 2020-03-20 stsp
606 33501562 2020-03-18 stsp /* Keep in sync with struct got_imsg_fetch_have_ref! */
607 1453347d 2022-05-19 stsp if (imsg_add(wbuf, id->sha1, sizeof(id->sha1)) == -1)
608 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add FETCH_HAVE_REF");
609 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
610 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add FETCH_HAVE_REF");
611 1453347d 2022-05-19 stsp if (imsg_add(wbuf, name, name_len) == -1)
612 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add FETCH_HAVE_REF");
613 4ba14133 2020-03-20 stsp
614 4ba14133 2020-03-20 stsp wbuf->fd = -1;
615 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
616 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
617 4ba14133 2020-03-20 stsp if (err)
618 4ba14133 2020-03-20 stsp return err;
619 33501562 2020-03-18 stsp }
620 33501562 2020-03-18 stsp
621 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry) {
622 4ba14133 2020-03-20 stsp const char *name = pe->path;
623 4ba14133 2020-03-20 stsp size_t name_len = pe->path_len;
624 4ba14133 2020-03-20 stsp
625 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_wanted_branch) + name_len;
626 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_BRANCH, 0, 0,
627 4ba14133 2020-03-20 stsp len);
628 4ba14133 2020-03-20 stsp if (wbuf == NULL)
629 4ba14133 2020-03-20 stsp return got_error_from_errno(
630 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_BRANCH");
631 4ba14133 2020-03-20 stsp
632 4ba14133 2020-03-20 stsp /* Keep in sync with struct got_imsg_fetch_wanted_branch! */
633 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
634 1453347d 2022-05-19 stsp return got_error_from_errno(
635 4ba14133 2020-03-20 stsp "imsg_add FETCH_WANTED_BRANCH");
636 1453347d 2022-05-19 stsp if (imsg_add(wbuf, name, name_len) == -1)
637 1453347d 2022-05-19 stsp return got_error_from_errno(
638 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_BRANCH");
639 4ba14133 2020-03-20 stsp
640 4ba14133 2020-03-20 stsp wbuf->fd = -1;
641 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
642 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
643 4ba14133 2020-03-20 stsp if (err)
644 4ba14133 2020-03-20 stsp return err;
645 4ba14133 2020-03-20 stsp }
646 4ba14133 2020-03-20 stsp
647 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry) {
648 0e4002ca 2020-03-21 stsp const char *name = pe->path;
649 0e4002ca 2020-03-21 stsp size_t name_len = pe->path_len;
650 0e4002ca 2020-03-21 stsp
651 0e4002ca 2020-03-21 stsp len = sizeof(struct got_imsg_fetch_wanted_ref) + name_len;
652 0e4002ca 2020-03-21 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_REF, 0, 0,
653 0e4002ca 2020-03-21 stsp len);
654 0e4002ca 2020-03-21 stsp if (wbuf == NULL)
655 0e4002ca 2020-03-21 stsp return got_error_from_errno(
656 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_REF");
657 0e4002ca 2020-03-21 stsp
658 0e4002ca 2020-03-21 stsp /* Keep in sync with struct got_imsg_fetch_wanted_ref! */
659 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
660 1453347d 2022-05-19 stsp return got_error_from_errno(
661 0e4002ca 2020-03-21 stsp "imsg_add FETCH_WANTED_REF");
662 1453347d 2022-05-19 stsp if (imsg_add(wbuf, name, name_len) == -1)
663 1453347d 2022-05-19 stsp return got_error_from_errno(
664 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_REF");
665 0e4002ca 2020-03-21 stsp
666 0e4002ca 2020-03-21 stsp wbuf->fd = -1;
667 0e4002ca 2020-03-21 stsp imsg_close(ibuf, wbuf);
668 0e4002ca 2020-03-21 stsp err = flush_imsg(ibuf);
669 0e4002ca 2020-03-21 stsp if (err)
670 0e4002ca 2020-03-21 stsp return err;
671 0e4002ca 2020-03-21 stsp }
672 0e4002ca 2020-03-21 stsp
673 0e4002ca 2020-03-21 stsp
674 4ba14133 2020-03-20 stsp return NULL;
675 4ba14133 2020-03-20 stsp
676 93658fb9 2020-03-18 stsp }
677 93658fb9 2020-03-18 stsp
678 93658fb9 2020-03-18 stsp const struct got_error *
679 f826addf 2020-03-18 stsp got_privsep_send_fetch_outfd(struct imsgbuf *ibuf, int fd)
680 f826addf 2020-03-18 stsp {
681 f826addf 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_FETCH_OUTFD, fd);
682 531c3985 2020-03-18 stsp }
683 531c3985 2020-03-18 stsp
684 531c3985 2020-03-18 stsp const struct got_error *
685 8f2d01a6 2020-03-18 stsp got_privsep_recv_fetch_progress(int *done, struct got_object_id **id,
686 531c3985 2020-03-18 stsp char **refname, struct got_pathlist_head *symrefs, char **server_progress,
687 1d72a2a0 2020-03-24 stsp off_t *packfile_size, uint8_t *pack_sha1, struct imsgbuf *ibuf)
688 b9f99abf 2020-03-18 stsp {
689 b9f99abf 2020-03-18 stsp const struct got_error *err = NULL;
690 b9f99abf 2020-03-18 stsp struct imsg imsg;
691 b9f99abf 2020-03-18 stsp size_t datalen;
692 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symrefs *isymrefs = NULL;
693 abe0f35f 2020-03-18 stsp size_t n, remain;
694 abe0f35f 2020-03-18 stsp off_t off;
695 531c3985 2020-03-18 stsp int i;
696 b9f99abf 2020-03-18 stsp
697 8f2d01a6 2020-03-18 stsp *done = 0;
698 8f2d01a6 2020-03-18 stsp *id = NULL;
699 b9f99abf 2020-03-18 stsp *refname = NULL;
700 531c3985 2020-03-18 stsp *server_progress = NULL;
701 5a489642 2020-03-19 stsp *packfile_size = 0;
702 1d72a2a0 2020-03-24 stsp memset(pack_sha1, 0, SHA1_DIGEST_LENGTH);
703 b9f99abf 2020-03-18 stsp
704 531c3985 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
705 b9f99abf 2020-03-18 stsp if (err)
706 b9f99abf 2020-03-18 stsp return err;
707 b9f99abf 2020-03-18 stsp
708 b9f99abf 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
709 b9f99abf 2020-03-18 stsp switch (imsg.hdr.type) {
710 b9f99abf 2020-03-18 stsp case GOT_IMSG_ERROR:
711 531c3985 2020-03-18 stsp if (datalen < sizeof(struct got_imsg_error)) {
712 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
713 531c3985 2020-03-18 stsp break;
714 531c3985 2020-03-18 stsp }
715 b9f99abf 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
716 b9f99abf 2020-03-18 stsp break;
717 abe0f35f 2020-03-18 stsp case GOT_IMSG_FETCH_SYMREFS:
718 abe0f35f 2020-03-18 stsp if (datalen < sizeof(*isymrefs)) {
719 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
720 abe0f35f 2020-03-18 stsp break;
721 abe0f35f 2020-03-18 stsp }
722 abe0f35f 2020-03-18 stsp if (isymrefs != NULL) {
723 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
724 abe0f35f 2020-03-18 stsp break;
725 abe0f35f 2020-03-18 stsp }
726 abe0f35f 2020-03-18 stsp isymrefs = (struct got_imsg_fetch_symrefs *)imsg.data;
727 abe0f35f 2020-03-18 stsp off = sizeof(*isymrefs);
728 abe0f35f 2020-03-18 stsp remain = datalen - off;
729 abe0f35f 2020-03-18 stsp for (n = 0; n < isymrefs->nsymrefs; n++) {
730 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symref *s;
731 abe0f35f 2020-03-18 stsp char *name, *target;
732 abe0f35f 2020-03-18 stsp if (remain < sizeof(struct got_imsg_fetch_symref)) {
733 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
734 abe0f35f 2020-03-18 stsp goto done;
735 abe0f35f 2020-03-18 stsp }
736 abe0f35f 2020-03-18 stsp s = (struct got_imsg_fetch_symref *)(imsg.data + off);
737 abe0f35f 2020-03-18 stsp off += sizeof(*s);
738 abe0f35f 2020-03-18 stsp remain -= sizeof(*s);
739 abe0f35f 2020-03-18 stsp if (remain < s->name_len) {
740 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
741 abe0f35f 2020-03-18 stsp goto done;
742 abe0f35f 2020-03-18 stsp }
743 abe0f35f 2020-03-18 stsp name = strndup(imsg.data + off, s->name_len);
744 abe0f35f 2020-03-18 stsp if (name == NULL) {
745 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
746 abe0f35f 2020-03-18 stsp goto done;
747 abe0f35f 2020-03-18 stsp }
748 abe0f35f 2020-03-18 stsp off += s->name_len;
749 abe0f35f 2020-03-18 stsp remain -= s->name_len;
750 abe0f35f 2020-03-18 stsp if (remain < s->target_len) {
751 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
752 abe0f35f 2020-03-18 stsp free(name);
753 abe0f35f 2020-03-18 stsp goto done;
754 abe0f35f 2020-03-18 stsp }
755 abe0f35f 2020-03-18 stsp target = strndup(imsg.data + off, s->target_len);
756 abe0f35f 2020-03-18 stsp if (target == NULL) {
757 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
758 abe0f35f 2020-03-18 stsp free(name);
759 abe0f35f 2020-03-18 stsp goto done;
760 abe0f35f 2020-03-18 stsp }
761 abe0f35f 2020-03-18 stsp off += s->target_len;
762 abe0f35f 2020-03-18 stsp remain -= s->target_len;
763 abe0f35f 2020-03-18 stsp err = got_pathlist_append(symrefs, name, target);
764 abe0f35f 2020-03-18 stsp if (err) {
765 abe0f35f 2020-03-18 stsp free(name);
766 abe0f35f 2020-03-18 stsp free(target);
767 abe0f35f 2020-03-18 stsp goto done;
768 abe0f35f 2020-03-18 stsp }
769 abe0f35f 2020-03-18 stsp }
770 abe0f35f 2020-03-18 stsp break;
771 ea7396b9 2020-03-18 stsp case GOT_IMSG_FETCH_REF:
772 531c3985 2020-03-18 stsp if (datalen <= SHA1_DIGEST_LENGTH) {
773 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
774 531c3985 2020-03-18 stsp break;
775 531c3985 2020-03-18 stsp }
776 8f2d01a6 2020-03-18 stsp *id = malloc(sizeof(**id));
777 8f2d01a6 2020-03-18 stsp if (*id == NULL) {
778 b9f99abf 2020-03-18 stsp err = got_error_from_errno("malloc");
779 b9f99abf 2020-03-18 stsp break;
780 b9f99abf 2020-03-18 stsp }
781 8f2d01a6 2020-03-18 stsp memcpy((*id)->sha1, imsg.data, SHA1_DIGEST_LENGTH);
782 b9f99abf 2020-03-18 stsp *refname = strndup(imsg.data + SHA1_DIGEST_LENGTH,
783 b9f99abf 2020-03-18 stsp datalen - SHA1_DIGEST_LENGTH);
784 b9f99abf 2020-03-18 stsp if (*refname == NULL) {
785 b9f99abf 2020-03-18 stsp err = got_error_from_errno("strndup");
786 8f2d01a6 2020-03-18 stsp break;
787 8f2d01a6 2020-03-18 stsp }
788 8f2d01a6 2020-03-18 stsp break;
789 531c3985 2020-03-18 stsp case GOT_IMSG_FETCH_SERVER_PROGRESS:
790 531c3985 2020-03-18 stsp if (datalen == 0) {
791 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
792 531c3985 2020-03-18 stsp break;
793 531c3985 2020-03-18 stsp }
794 531c3985 2020-03-18 stsp *server_progress = strndup(imsg.data, datalen);
795 531c3985 2020-03-18 stsp if (*server_progress == NULL) {
796 531c3985 2020-03-18 stsp err = got_error_from_errno("strndup");
797 531c3985 2020-03-18 stsp break;
798 531c3985 2020-03-18 stsp }
799 531c3985 2020-03-18 stsp for (i = 0; i < datalen; i++) {
800 531c3985 2020-03-18 stsp if (!isprint((unsigned char)(*server_progress)[i]) &&
801 531c3985 2020-03-18 stsp !isspace((unsigned char)(*server_progress)[i])) {
802 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
803 531c3985 2020-03-18 stsp free(*server_progress);
804 531c3985 2020-03-18 stsp *server_progress = NULL;
805 531c3985 2020-03-18 stsp goto done;
806 531c3985 2020-03-18 stsp }
807 531c3985 2020-03-18 stsp }
808 531c3985 2020-03-18 stsp break;
809 d2cdc636 2020-03-18 stsp case GOT_IMSG_FETCH_DOWNLOAD_PROGRESS:
810 d2cdc636 2020-03-18 stsp if (datalen < sizeof(*packfile_size)) {
811 d2cdc636 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
812 d2cdc636 2020-03-18 stsp break;
813 d2cdc636 2020-03-18 stsp }
814 d2cdc636 2020-03-18 stsp memcpy(packfile_size, imsg.data, sizeof(*packfile_size));
815 d2cdc636 2020-03-18 stsp break;
816 8f2d01a6 2020-03-18 stsp case GOT_IMSG_FETCH_DONE:
817 8f2d01a6 2020-03-18 stsp if (datalen != SHA1_DIGEST_LENGTH) {
818 8f2d01a6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
819 8f2d01a6 2020-03-18 stsp break;
820 8f2d01a6 2020-03-18 stsp }
821 1d72a2a0 2020-03-24 stsp memcpy(pack_sha1, imsg.data, SHA1_DIGEST_LENGTH);
822 8f2d01a6 2020-03-18 stsp *done = 1;
823 b9f99abf 2020-03-18 stsp break;
824 b9f99abf 2020-03-18 stsp default:
825 b887aab6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
826 b887aab6 2020-03-18 stsp break;
827 b9f99abf 2020-03-18 stsp }
828 abe0f35f 2020-03-18 stsp done:
829 b887aab6 2020-03-18 stsp if (err) {
830 8f2d01a6 2020-03-18 stsp free(*id);
831 8f2d01a6 2020-03-18 stsp *id = NULL;
832 b887aab6 2020-03-18 stsp free(*refname);
833 b887aab6 2020-03-18 stsp *refname = NULL;
834 f8a36e22 2021-08-26 stsp }
835 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
836 f8a36e22 2021-08-26 stsp return err;
837 f8a36e22 2021-08-26 stsp }
838 f8a36e22 2021-08-26 stsp
839 f8a36e22 2021-08-26 stsp static const struct got_error *
840 f8a36e22 2021-08-26 stsp send_send_ref(const char *name, size_t name_len, struct got_object_id *id,
841 f8a36e22 2021-08-26 stsp int delete, struct imsgbuf *ibuf)
842 f8a36e22 2021-08-26 stsp {
843 f8a36e22 2021-08-26 stsp size_t len;
844 f8a36e22 2021-08-26 stsp struct ibuf *wbuf;
845 f8a36e22 2021-08-26 stsp
846 f8a36e22 2021-08-26 stsp len = sizeof(struct got_imsg_send_ref) + name_len;
847 f8a36e22 2021-08-26 stsp wbuf = imsg_create(ibuf, GOT_IMSG_SEND_REF, 0, 0, len);
848 f8a36e22 2021-08-26 stsp if (wbuf == NULL)
849 f8a36e22 2021-08-26 stsp return got_error_from_errno("imsg_create SEND_REF");
850 f8a36e22 2021-08-26 stsp
851 f8a36e22 2021-08-26 stsp /* Keep in sync with struct got_imsg_send_ref! */
852 1453347d 2022-05-19 stsp if (imsg_add(wbuf, id->sha1, sizeof(id->sha1)) == -1)
853 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add SEND_REF");
854 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &delete, sizeof(delete)) == -1)
855 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add SEND_REF");
856 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
857 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add SEND_REF");
858 1453347d 2022-05-19 stsp if (imsg_add(wbuf, name, name_len) == -1)
859 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add SEND_REF");
860 f8a36e22 2021-08-26 stsp
861 f8a36e22 2021-08-26 stsp wbuf->fd = -1;
862 f8a36e22 2021-08-26 stsp imsg_close(ibuf, wbuf);
863 f8a36e22 2021-08-26 stsp return flush_imsg(ibuf);
864 f8a36e22 2021-08-26 stsp }
865 f8a36e22 2021-08-26 stsp
866 f8a36e22 2021-08-26 stsp const struct got_error *
867 f8a36e22 2021-08-26 stsp got_privsep_send_send_req(struct imsgbuf *ibuf, int fd,
868 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs,
869 abc59930 2021-09-05 naddy struct got_pathlist_head *delete_refs,
870 abc59930 2021-09-05 naddy int verbosity)
871 f8a36e22 2021-08-26 stsp {
872 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
873 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *pe;
874 f8a36e22 2021-08-26 stsp struct got_imsg_send_request sendreq;
875 f8a36e22 2021-08-26 stsp struct got_object_id zero_id;
876 f8a36e22 2021-08-26 stsp
877 f8a36e22 2021-08-26 stsp memset(&zero_id, 0, sizeof(zero_id));
878 f8a36e22 2021-08-26 stsp memset(&sendreq, 0, sizeof(sendreq));
879 f8a36e22 2021-08-26 stsp sendreq.verbosity = verbosity;
880 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry)
881 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
882 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry)
883 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
884 f8a36e22 2021-08-26 stsp if (imsg_compose(ibuf, GOT_IMSG_SEND_REQUEST, 0, 0, fd,
885 f8a36e22 2021-08-26 stsp &sendreq, sizeof(sendreq)) == -1) {
886 f8a36e22 2021-08-26 stsp err = got_error_from_errno(
887 f8a36e22 2021-08-26 stsp "imsg_compose FETCH_SERVER_PROGRESS");
888 f8a36e22 2021-08-26 stsp goto done;
889 f8a36e22 2021-08-26 stsp }
890 f8a36e22 2021-08-26 stsp
891 f8a36e22 2021-08-26 stsp err = flush_imsg(ibuf);
892 f8a36e22 2021-08-26 stsp if (err)
893 f8a36e22 2021-08-26 stsp goto done;
894 f8a36e22 2021-08-26 stsp fd = -1;
895 f8a36e22 2021-08-26 stsp
896 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry) {
897 f8a36e22 2021-08-26 stsp const char *name = pe->path;
898 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
899 f8a36e22 2021-08-26 stsp struct got_object_id *id = pe->data;
900 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, id, 0, ibuf);
901 f8a36e22 2021-08-26 stsp if (err)
902 f8a36e22 2021-08-26 stsp goto done;
903 f8a36e22 2021-08-26 stsp }
904 f8a36e22 2021-08-26 stsp
905 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry) {
906 f8a36e22 2021-08-26 stsp const char *name = pe->path;
907 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
908 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, &zero_id, 1, ibuf);
909 f8a36e22 2021-08-26 stsp if (err)
910 f8a36e22 2021-08-26 stsp goto done;
911 f8a36e22 2021-08-26 stsp }
912 f8a36e22 2021-08-26 stsp done:
913 f8a36e22 2021-08-26 stsp if (fd != -1 && close(fd) == -1 && err == NULL)
914 f8a36e22 2021-08-26 stsp err = got_error_from_errno("close");
915 f8a36e22 2021-08-26 stsp return err;
916 f8a36e22 2021-08-26 stsp
917 f8a36e22 2021-08-26 stsp }
918 f8a36e22 2021-08-26 stsp
919 f8a36e22 2021-08-26 stsp const struct got_error *
920 f8a36e22 2021-08-26 stsp got_privsep_recv_send_remote_refs(struct got_pathlist_head *remote_refs,
921 f8a36e22 2021-08-26 stsp struct imsgbuf *ibuf)
922 f8a36e22 2021-08-26 stsp {
923 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
924 f8a36e22 2021-08-26 stsp struct imsg imsg;
925 f8a36e22 2021-08-26 stsp size_t datalen;
926 f8a36e22 2021-08-26 stsp int done = 0;
927 f8a36e22 2021-08-26 stsp struct got_imsg_send_remote_ref iremote_ref;
928 f8a36e22 2021-08-26 stsp struct got_object_id *id = NULL;
929 f8a36e22 2021-08-26 stsp char *refname = NULL;
930 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *new;
931 f8a36e22 2021-08-26 stsp
932 f8a36e22 2021-08-26 stsp while (!done) {
933 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
934 f8a36e22 2021-08-26 stsp if (err)
935 f8a36e22 2021-08-26 stsp return err;
936 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
937 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
938 f8a36e22 2021-08-26 stsp case GOT_IMSG_ERROR:
939 f8a36e22 2021-08-26 stsp if (datalen < sizeof(struct got_imsg_error)) {
940 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
941 f8a36e22 2021-08-26 stsp goto done;
942 f8a36e22 2021-08-26 stsp }
943 f8a36e22 2021-08-26 stsp err = recv_imsg_error(&imsg, datalen);
944 f8a36e22 2021-08-26 stsp goto done;
945 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REMOTE_REF:
946 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iremote_ref)) {
947 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
948 f8a36e22 2021-08-26 stsp goto done;
949 f8a36e22 2021-08-26 stsp }
950 f8a36e22 2021-08-26 stsp memcpy(&iremote_ref, imsg.data, sizeof(iremote_ref));
951 f8a36e22 2021-08-26 stsp if (datalen != sizeof(iremote_ref) +
952 f8a36e22 2021-08-26 stsp iremote_ref.name_len) {
953 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
954 f8a36e22 2021-08-26 stsp goto done;
955 f8a36e22 2021-08-26 stsp }
956 f8a36e22 2021-08-26 stsp id = malloc(sizeof(*id));
957 f8a36e22 2021-08-26 stsp if (id == NULL) {
958 f8a36e22 2021-08-26 stsp err = got_error_from_errno("malloc");
959 f8a36e22 2021-08-26 stsp goto done;
960 f8a36e22 2021-08-26 stsp }
961 f8a36e22 2021-08-26 stsp memcpy(id->sha1, iremote_ref.id, SHA1_DIGEST_LENGTH);
962 f8a36e22 2021-08-26 stsp refname = strndup(imsg.data + sizeof(iremote_ref),
963 f8a36e22 2021-08-26 stsp datalen - sizeof(iremote_ref));
964 f8a36e22 2021-08-26 stsp if (refname == NULL) {
965 f8a36e22 2021-08-26 stsp err = got_error_from_errno("strndup");
966 f8a36e22 2021-08-26 stsp goto done;
967 f8a36e22 2021-08-26 stsp }
968 f8a36e22 2021-08-26 stsp err = got_pathlist_insert(&new, remote_refs,
969 f8a36e22 2021-08-26 stsp refname, id);
970 f8a36e22 2021-08-26 stsp if (err)
971 f8a36e22 2021-08-26 stsp goto done;
972 f8a36e22 2021-08-26 stsp if (new == NULL) { /* duplicate which wasn't inserted */
973 f8a36e22 2021-08-26 stsp free(id);
974 f8a36e22 2021-08-26 stsp free(refname);
975 f8a36e22 2021-08-26 stsp }
976 f8a36e22 2021-08-26 stsp id = NULL;
977 f8a36e22 2021-08-26 stsp refname = NULL;
978 f8a36e22 2021-08-26 stsp break;
979 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_PACK_REQUEST:
980 f8a36e22 2021-08-26 stsp if (datalen != 0) {
981 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
982 f8a36e22 2021-08-26 stsp goto done;
983 f8a36e22 2021-08-26 stsp }
984 f8a36e22 2021-08-26 stsp /* got-send-pack is now waiting for a pack file. */
985 f8a36e22 2021-08-26 stsp done = 1;
986 f8a36e22 2021-08-26 stsp break;
987 f8a36e22 2021-08-26 stsp default:
988 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
989 f8a36e22 2021-08-26 stsp break;
990 f8a36e22 2021-08-26 stsp }
991 b887aab6 2020-03-18 stsp }
992 f8a36e22 2021-08-26 stsp done:
993 f8a36e22 2021-08-26 stsp free(id);
994 f8a36e22 2021-08-26 stsp free(refname);
995 b9f99abf 2020-03-18 stsp imsg_free(&imsg);
996 b9f99abf 2020-03-18 stsp return err;
997 93658fb9 2020-03-18 stsp }
998 93658fb9 2020-03-18 stsp
999 93658fb9 2020-03-18 stsp const struct got_error *
1000 f8a36e22 2021-08-26 stsp got_privsep_send_packfd(struct imsgbuf *ibuf, int fd)
1001 f8a36e22 2021-08-26 stsp {
1002 f8a36e22 2021-08-26 stsp return send_fd(ibuf, GOT_IMSG_SEND_PACKFD, fd);
1003 f8a36e22 2021-08-26 stsp }
1004 f8a36e22 2021-08-26 stsp
1005 f8a36e22 2021-08-26 stsp const struct got_error *
1006 f8a36e22 2021-08-26 stsp got_privsep_recv_send_progress(int *done, off_t *bytes_sent,
1007 f8a36e22 2021-08-26 stsp int *success, char **refname, struct imsgbuf *ibuf)
1008 f8a36e22 2021-08-26 stsp {
1009 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
1010 f8a36e22 2021-08-26 stsp struct imsg imsg;
1011 f8a36e22 2021-08-26 stsp size_t datalen;
1012 f8a36e22 2021-08-26 stsp struct got_imsg_send_ref_status iref_status;
1013 f8a36e22 2021-08-26 stsp
1014 f8a36e22 2021-08-26 stsp /* Do not reset the current value of 'bytes_sent', it accumulates. */
1015 f8a36e22 2021-08-26 stsp *done = 0;
1016 f8a36e22 2021-08-26 stsp *success = 0;
1017 f8a36e22 2021-08-26 stsp *refname = NULL;
1018 f8a36e22 2021-08-26 stsp
1019 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1020 f8a36e22 2021-08-26 stsp if (err)
1021 f8a36e22 2021-08-26 stsp return err;
1022 f8a36e22 2021-08-26 stsp
1023 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1024 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
1025 f8a36e22 2021-08-26 stsp case GOT_IMSG_ERROR:
1026 f8a36e22 2021-08-26 stsp if (datalen < sizeof(struct got_imsg_error)) {
1027 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1028 f8a36e22 2021-08-26 stsp break;
1029 f8a36e22 2021-08-26 stsp }
1030 f8a36e22 2021-08-26 stsp err = recv_imsg_error(&imsg, datalen);
1031 f8a36e22 2021-08-26 stsp break;
1032 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_UPLOAD_PROGRESS:
1033 f8a36e22 2021-08-26 stsp if (datalen < sizeof(*bytes_sent)) {
1034 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1035 f8a36e22 2021-08-26 stsp break;
1036 f8a36e22 2021-08-26 stsp }
1037 f8a36e22 2021-08-26 stsp memcpy(bytes_sent, imsg.data, sizeof(*bytes_sent));
1038 f8a36e22 2021-08-26 stsp break;
1039 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REF_STATUS:
1040 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iref_status)) {
1041 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1042 f8a36e22 2021-08-26 stsp break;
1043 f8a36e22 2021-08-26 stsp }
1044 f8a36e22 2021-08-26 stsp memcpy(&iref_status, imsg.data, sizeof(iref_status));
1045 f8a36e22 2021-08-26 stsp if (datalen != sizeof(iref_status) + iref_status.name_len) {
1046 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1047 f8a36e22 2021-08-26 stsp break;
1048 f8a36e22 2021-08-26 stsp }
1049 f8a36e22 2021-08-26 stsp *success = iref_status.success;
1050 f8a36e22 2021-08-26 stsp *refname = strndup(imsg.data + sizeof(iref_status),
1051 f8a36e22 2021-08-26 stsp iref_status.name_len);
1052 f8a36e22 2021-08-26 stsp break;
1053 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_DONE:
1054 f8a36e22 2021-08-26 stsp if (datalen != 0) {
1055 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1056 f8a36e22 2021-08-26 stsp break;
1057 f8a36e22 2021-08-26 stsp }
1058 f8a36e22 2021-08-26 stsp *done = 1;
1059 f8a36e22 2021-08-26 stsp break;
1060 f8a36e22 2021-08-26 stsp default:
1061 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1062 f8a36e22 2021-08-26 stsp break;
1063 f8a36e22 2021-08-26 stsp }
1064 f8a36e22 2021-08-26 stsp
1065 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
1066 f8a36e22 2021-08-26 stsp return err;
1067 f8a36e22 2021-08-26 stsp }
1068 f8a36e22 2021-08-26 stsp
1069 f8a36e22 2021-08-26 stsp const struct got_error *
1070 fd251256 2020-03-24 stsp got_privsep_send_index_pack_req(struct imsgbuf *ibuf, uint8_t *pack_sha1,
1071 668a20f6 2020-03-18 stsp int fd)
1072 93658fb9 2020-03-18 stsp {
1073 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1074 93658fb9 2020-03-18 stsp
1075 668a20f6 2020-03-18 stsp /* Keep in sync with struct got_imsg_index_pack_request */
1076 93658fb9 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_IDXPACK_REQUEST, 0, 0, fd,
1077 fd251256 2020-03-24 stsp pack_sha1, SHA1_DIGEST_LENGTH) == -1) {
1078 93658fb9 2020-03-18 stsp err = got_error_from_errno("imsg_compose INDEX_REQUEST");
1079 93658fb9 2020-03-18 stsp close(fd);
1080 93658fb9 2020-03-18 stsp return err;
1081 93658fb9 2020-03-18 stsp }
1082 baa9fea0 2020-03-18 stsp return flush_imsg(ibuf);
1083 baa9fea0 2020-03-18 stsp }
1084 baa9fea0 2020-03-18 stsp
1085 baa9fea0 2020-03-18 stsp const struct got_error *
1086 73ab1060 2020-03-18 stsp got_privsep_send_index_pack_outfd(struct imsgbuf *ibuf, int fd)
1087 73ab1060 2020-03-18 stsp {
1088 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_IDXPACK_OUTFD, fd);
1089 73ab1060 2020-03-18 stsp }
1090 73ab1060 2020-03-18 stsp
1091 73ab1060 2020-03-18 stsp const struct got_error *
1092 668a20f6 2020-03-18 stsp got_privsep_recv_index_progress(int *done, int *nobj_total,
1093 668a20f6 2020-03-18 stsp int *nobj_indexed, int *nobj_loose, int *nobj_resolved,
1094 668a20f6 2020-03-18 stsp struct imsgbuf *ibuf)
1095 93658fb9 2020-03-18 stsp {
1096 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1097 93658fb9 2020-03-18 stsp struct imsg imsg;
1098 baa9fea0 2020-03-18 stsp struct got_imsg_index_pack_progress *iprogress;
1099 baa9fea0 2020-03-18 stsp size_t datalen;
1100 93658fb9 2020-03-18 stsp
1101 baa9fea0 2020-03-18 stsp *done = 0;
1102 668a20f6 2020-03-18 stsp *nobj_total = 0;
1103 668a20f6 2020-03-18 stsp *nobj_indexed = 0;
1104 668a20f6 2020-03-18 stsp *nobj_resolved = 0;
1105 baa9fea0 2020-03-18 stsp
1106 93658fb9 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1107 93658fb9 2020-03-18 stsp if (err)
1108 93658fb9 2020-03-18 stsp return err;
1109 baa9fea0 2020-03-18 stsp
1110 baa9fea0 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1111 baa9fea0 2020-03-18 stsp switch (imsg.hdr.type) {
1112 baa9fea0 2020-03-18 stsp case GOT_IMSG_ERROR:
1113 baa9fea0 2020-03-18 stsp if (datalen < sizeof(struct got_imsg_error)) {
1114 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1115 baa9fea0 2020-03-18 stsp break;
1116 baa9fea0 2020-03-18 stsp }
1117 baa9fea0 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
1118 baa9fea0 2020-03-18 stsp break;
1119 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_PROGRESS:
1120 baa9fea0 2020-03-18 stsp if (datalen < sizeof(*iprogress)) {
1121 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1122 baa9fea0 2020-03-18 stsp break;
1123 baa9fea0 2020-03-18 stsp }
1124 baa9fea0 2020-03-18 stsp iprogress = (struct got_imsg_index_pack_progress *)imsg.data;
1125 668a20f6 2020-03-18 stsp *nobj_total = iprogress->nobj_total;
1126 668a20f6 2020-03-18 stsp *nobj_indexed = iprogress->nobj_indexed;
1127 668a20f6 2020-03-18 stsp *nobj_loose = iprogress->nobj_loose;
1128 668a20f6 2020-03-18 stsp *nobj_resolved = iprogress->nobj_resolved;
1129 baa9fea0 2020-03-18 stsp break;
1130 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_DONE:
1131 baa9fea0 2020-03-18 stsp if (datalen != 0) {
1132 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1133 baa9fea0 2020-03-18 stsp break;
1134 baa9fea0 2020-03-18 stsp }
1135 baa9fea0 2020-03-18 stsp *done = 1;
1136 baa9fea0 2020-03-18 stsp break;
1137 baa9fea0 2020-03-18 stsp default:
1138 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1139 baa9fea0 2020-03-18 stsp break;
1140 baa9fea0 2020-03-18 stsp }
1141 baa9fea0 2020-03-18 stsp
1142 93658fb9 2020-03-18 stsp imsg_free(&imsg);
1143 baa9fea0 2020-03-18 stsp return err;
1144 93658fb9 2020-03-18 stsp }
1145 93658fb9 2020-03-18 stsp
1146 93658fb9 2020-03-18 stsp const struct got_error *
1147 cfd633c2 2018-09-10 stsp got_privsep_get_imsg_obj(struct got_object **obj, struct imsg *imsg,
1148 cfd633c2 2018-09-10 stsp struct imsgbuf *ibuf)
1149 cfd633c2 2018-09-10 stsp {
1150 291624d8 2018-11-07 stsp struct got_imsg_object *iobj;
1151 cfd633c2 2018-09-10 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1152 cfd633c2 2018-09-10 stsp
1153 291624d8 2018-11-07 stsp if (datalen != sizeof(*iobj))
1154 cfd633c2 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1155 291624d8 2018-11-07 stsp iobj = imsg->data;
1156 cfd633c2 2018-09-10 stsp
1157 cfd633c2 2018-09-10 stsp *obj = calloc(1, sizeof(**obj));
1158 cfd633c2 2018-09-10 stsp if (*obj == NULL)
1159 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
1160 cfd633c2 2018-09-10 stsp
1161 291624d8 2018-11-07 stsp memcpy((*obj)->id.sha1, iobj->id, SHA1_DIGEST_LENGTH);
1162 291624d8 2018-11-07 stsp (*obj)->type = iobj->type;
1163 291624d8 2018-11-07 stsp (*obj)->flags = iobj->flags;
1164 291624d8 2018-11-07 stsp (*obj)->hdrlen = iobj->hdrlen;
1165 291624d8 2018-11-07 stsp (*obj)->size = iobj->size;
1166 c59b3346 2018-09-11 stsp /* path_packfile is handled by caller */
1167 291624d8 2018-11-07 stsp if (iobj->flags & GOT_OBJ_FLAG_PACKED) {
1168 291624d8 2018-11-07 stsp (*obj)->pack_offset = iobj->pack_offset;
1169 291624d8 2018-11-07 stsp (*obj)->pack_idx = iobj->pack_idx;
1170 876c234b 2018-09-10 stsp }
1171 d1b988e3 2022-01-26 stsp STAILQ_INIT(&(*obj)->deltas.entries);
1172 9296b03b 2022-01-26 stsp return NULL;
1173 876c234b 2018-09-10 stsp }
1174 876c234b 2018-09-10 stsp
1175 2178c42e 2018-04-22 stsp const struct got_error *
1176 2178c42e 2018-04-22 stsp got_privsep_recv_obj(struct got_object **obj, struct imsgbuf *ibuf)
1177 2178c42e 2018-04-22 stsp {
1178 2178c42e 2018-04-22 stsp const struct got_error *err = NULL;
1179 2178c42e 2018-04-22 stsp struct imsg imsg;
1180 c4eae628 2018-04-23 stsp const size_t min_datalen =
1181 c4eae628 2018-04-23 stsp MIN(sizeof(struct got_imsg_error), sizeof(struct got_imsg_object));
1182 2178c42e 2018-04-22 stsp
1183 2178c42e 2018-04-22 stsp *obj = NULL;
1184 2178c42e 2018-04-22 stsp
1185 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1186 2178c42e 2018-04-22 stsp if (err)
1187 2178c42e 2018-04-22 stsp return err;
1188 2178c42e 2018-04-22 stsp
1189 2178c42e 2018-04-22 stsp switch (imsg.hdr.type) {
1190 2178c42e 2018-04-22 stsp case GOT_IMSG_OBJECT:
1191 cfd633c2 2018-09-10 stsp err = got_privsep_get_imsg_obj(obj, &imsg, ibuf);
1192 bff6ca00 2018-04-23 stsp break;
1193 bff6ca00 2018-04-23 stsp default:
1194 bff6ca00 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1195 bff6ca00 2018-04-23 stsp break;
1196 bff6ca00 2018-04-23 stsp }
1197 bff6ca00 2018-04-23 stsp
1198 bff6ca00 2018-04-23 stsp imsg_free(&imsg);
1199 bff6ca00 2018-04-23 stsp
1200 bff6ca00 2018-04-23 stsp return err;
1201 c75f7264 2018-09-11 stsp }
1202 c75f7264 2018-09-11 stsp
1203 c75f7264 2018-09-11 stsp static const struct got_error *
1204 c75f7264 2018-09-11 stsp send_commit_logmsg(struct imsgbuf *ibuf, struct got_commit_object *commit,
1205 c75f7264 2018-09-11 stsp size_t logmsg_len)
1206 c75f7264 2018-09-11 stsp {
1207 fa4ffeb3 2018-11-04 stsp const struct got_error *err = NULL;
1208 c75f7264 2018-09-11 stsp size_t offset, remain;
1209 c75f7264 2018-09-11 stsp
1210 c75f7264 2018-09-11 stsp offset = 0;
1211 c75f7264 2018-09-11 stsp remain = logmsg_len;
1212 c75f7264 2018-09-11 stsp while (remain > 0) {
1213 c75f7264 2018-09-11 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1214 c75f7264 2018-09-11 stsp
1215 c75f7264 2018-09-11 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_LOGMSG, 0, 0, -1,
1216 fa4ffeb3 2018-11-04 stsp commit->logmsg + offset, n) == -1) {
1217 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose "
1218 230a42bd 2019-05-11 jcs "COMMIT_LOGMSG");
1219 fa4ffeb3 2018-11-04 stsp break;
1220 fa4ffeb3 2018-11-04 stsp }
1221 c75f7264 2018-09-11 stsp
1222 fa4ffeb3 2018-11-04 stsp err = flush_imsg(ibuf);
1223 fa4ffeb3 2018-11-04 stsp if (err)
1224 fa4ffeb3 2018-11-04 stsp break;
1225 c75f7264 2018-09-11 stsp
1226 c75f7264 2018-09-11 stsp offset += n;
1227 c75f7264 2018-09-11 stsp remain -= n;
1228 c75f7264 2018-09-11 stsp }
1229 c75f7264 2018-09-11 stsp
1230 fa4ffeb3 2018-11-04 stsp return err;
1231 bff6ca00 2018-04-23 stsp }
1232 bff6ca00 2018-04-23 stsp
1233 bff6ca00 2018-04-23 stsp const struct got_error *
1234 068fd2bf 2018-04-24 stsp got_privsep_send_commit(struct imsgbuf *ibuf, struct got_commit_object *commit)
1235 bff6ca00 2018-04-23 stsp {
1236 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1237 b9c33926 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1238 bff6ca00 2018-04-23 stsp uint8_t *buf;
1239 bff6ca00 2018-04-23 stsp size_t len, total;
1240 79f35eb3 2018-06-11 stsp struct got_object_qid *qid;
1241 b9c33926 2018-11-07 stsp size_t author_len = strlen(commit->author);
1242 b9c33926 2018-11-07 stsp size_t committer_len = strlen(commit->committer);
1243 c75f7264 2018-09-11 stsp size_t logmsg_len = strlen(commit->logmsg);
1244 bff6ca00 2018-04-23 stsp
1245 b9c33926 2018-11-07 stsp total = sizeof(*icommit) + author_len + committer_len +
1246 b9c33926 2018-11-07 stsp commit->nparents * SHA1_DIGEST_LENGTH;
1247 bff6ca00 2018-04-23 stsp
1248 bff6ca00 2018-04-23 stsp buf = malloc(total);
1249 bff6ca00 2018-04-23 stsp if (buf == NULL)
1250 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1251 bff6ca00 2018-04-23 stsp
1252 b9c33926 2018-11-07 stsp icommit = (struct got_imsg_commit_object *)buf;
1253 a7403916 2018-12-24 stsp memcpy(icommit->tree_id, commit->tree_id->sha1,
1254 a7403916 2018-12-24 stsp sizeof(icommit->tree_id));
1255 b9c33926 2018-11-07 stsp icommit->author_len = author_len;
1256 b9c33926 2018-11-07 stsp icommit->author_time = commit->author_time;
1257 b9c33926 2018-11-07 stsp icommit->author_gmtoff = commit->author_gmtoff;
1258 b9c33926 2018-11-07 stsp icommit->committer_len = committer_len;
1259 b9c33926 2018-11-07 stsp icommit->committer_time = commit->committer_time;
1260 b9c33926 2018-11-07 stsp icommit->committer_gmtoff = commit->committer_gmtoff;
1261 b9c33926 2018-11-07 stsp icommit->logmsg_len = logmsg_len;
1262 b9c33926 2018-11-07 stsp icommit->nparents = commit->nparents;
1263 b9c33926 2018-11-07 stsp
1264 b9c33926 2018-11-07 stsp len = sizeof(*icommit);
1265 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->author, author_len);
1266 b9c33926 2018-11-07 stsp len += author_len;
1267 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->committer, committer_len);
1268 b9c33926 2018-11-07 stsp len += committer_len;
1269 dbdddfee 2021-06-23 naddy STAILQ_FOREACH(qid, &commit->parent_ids, entry) {
1270 d7b5a0e8 2022-04-20 stsp memcpy(buf + len, &qid->id, SHA1_DIGEST_LENGTH);
1271 86acc566 2018-04-23 stsp len += SHA1_DIGEST_LENGTH;
1272 bff6ca00 2018-04-23 stsp }
1273 bff6ca00 2018-04-23 stsp
1274 bff6ca00 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT, 0, 0, -1, buf, len) == -1) {
1275 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT");
1276 bff6ca00 2018-04-23 stsp goto done;
1277 bff6ca00 2018-04-23 stsp }
1278 bff6ca00 2018-04-23 stsp
1279 904df868 2018-11-04 stsp if (logmsg_len == 0 ||
1280 904df868 2018-11-04 stsp logmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1281 904df868 2018-11-04 stsp err = flush_imsg(ibuf);
1282 904df868 2018-11-04 stsp if (err)
1283 904df868 2018-11-04 stsp goto done;
1284 904df868 2018-11-04 stsp }
1285 c75f7264 2018-09-11 stsp err = send_commit_logmsg(ibuf, commit, logmsg_len);
1286 bff6ca00 2018-04-23 stsp done:
1287 bff6ca00 2018-04-23 stsp free(buf);
1288 bff6ca00 2018-04-23 stsp return err;
1289 bff6ca00 2018-04-23 stsp }
1290 cfd633c2 2018-09-10 stsp
1291 ca6e02ac 2020-01-07 stsp static const struct got_error *
1292 ca6e02ac 2020-01-07 stsp get_commit_from_imsg(struct got_commit_object **commit,
1293 ca6e02ac 2020-01-07 stsp struct imsg *imsg, size_t datalen, struct imsgbuf *ibuf)
1294 bff6ca00 2018-04-23 stsp {
1295 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1296 291624d8 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1297 ca6e02ac 2020-01-07 stsp size_t len = 0;
1298 bff6ca00 2018-04-23 stsp int i;
1299 bff6ca00 2018-04-23 stsp
1300 ca6e02ac 2020-01-07 stsp if (datalen < sizeof(*icommit))
1301 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1302 bff6ca00 2018-04-23 stsp
1303 ca6e02ac 2020-01-07 stsp icommit = imsg->data;
1304 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommit) + icommit->author_len +
1305 ca6e02ac 2020-01-07 stsp icommit->committer_len +
1306 ca6e02ac 2020-01-07 stsp icommit->nparents * SHA1_DIGEST_LENGTH)
1307 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1308 bff6ca00 2018-04-23 stsp
1309 ca6e02ac 2020-01-07 stsp if (icommit->nparents < 0)
1310 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1311 ca6e02ac 2020-01-07 stsp
1312 ca6e02ac 2020-01-07 stsp len += sizeof(*icommit);
1313 bff6ca00 2018-04-23 stsp
1314 ca6e02ac 2020-01-07 stsp *commit = got_object_commit_alloc_partial();
1315 ca6e02ac 2020-01-07 stsp if (*commit == NULL)
1316 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
1317 ca6e02ac 2020-01-07 stsp "got_object_commit_alloc_partial");
1318 ca6e02ac 2020-01-07 stsp
1319 ca6e02ac 2020-01-07 stsp memcpy((*commit)->tree_id->sha1, icommit->tree_id,
1320 ca6e02ac 2020-01-07 stsp SHA1_DIGEST_LENGTH);
1321 ca6e02ac 2020-01-07 stsp (*commit)->author_time = icommit->author_time;
1322 ca6e02ac 2020-01-07 stsp (*commit)->author_gmtoff = icommit->author_gmtoff;
1323 ca6e02ac 2020-01-07 stsp (*commit)->committer_time = icommit->committer_time;
1324 ca6e02ac 2020-01-07 stsp (*commit)->committer_gmtoff = icommit->committer_gmtoff;
1325 ca6e02ac 2020-01-07 stsp
1326 ca6e02ac 2020-01-07 stsp if (icommit->author_len == 0) {
1327 ca6e02ac 2020-01-07 stsp (*commit)->author = strdup("");
1328 ca6e02ac 2020-01-07 stsp if ((*commit)->author == NULL) {
1329 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1330 ca6e02ac 2020-01-07 stsp goto done;
1331 bff6ca00 2018-04-23 stsp }
1332 ca6e02ac 2020-01-07 stsp } else {
1333 ca6e02ac 2020-01-07 stsp (*commit)->author = malloc(icommit->author_len + 1);
1334 ca6e02ac 2020-01-07 stsp if ((*commit)->author == NULL) {
1335 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1336 ca6e02ac 2020-01-07 stsp goto done;
1337 ca6e02ac 2020-01-07 stsp }
1338 ca6e02ac 2020-01-07 stsp memcpy((*commit)->author, imsg->data + len,
1339 ca6e02ac 2020-01-07 stsp icommit->author_len);
1340 ca6e02ac 2020-01-07 stsp (*commit)->author[icommit->author_len] = '\0';
1341 ca6e02ac 2020-01-07 stsp }
1342 ca6e02ac 2020-01-07 stsp len += icommit->author_len;
1343 bff6ca00 2018-04-23 stsp
1344 ca6e02ac 2020-01-07 stsp if (icommit->committer_len == 0) {
1345 ca6e02ac 2020-01-07 stsp (*commit)->committer = strdup("");
1346 ca6e02ac 2020-01-07 stsp if ((*commit)->committer == NULL) {
1347 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1348 ca6e02ac 2020-01-07 stsp goto done;
1349 ca6e02ac 2020-01-07 stsp }
1350 ca6e02ac 2020-01-07 stsp } else {
1351 ca6e02ac 2020-01-07 stsp (*commit)->committer =
1352 ca6e02ac 2020-01-07 stsp malloc(icommit->committer_len + 1);
1353 ca6e02ac 2020-01-07 stsp if ((*commit)->committer == NULL) {
1354 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1355 ca6e02ac 2020-01-07 stsp goto done;
1356 ca6e02ac 2020-01-07 stsp }
1357 ca6e02ac 2020-01-07 stsp memcpy((*commit)->committer, imsg->data + len,
1358 ca6e02ac 2020-01-07 stsp icommit->committer_len);
1359 ca6e02ac 2020-01-07 stsp (*commit)->committer[icommit->committer_len] = '\0';
1360 ca6e02ac 2020-01-07 stsp }
1361 ca6e02ac 2020-01-07 stsp len += icommit->committer_len;
1362 ca6e02ac 2020-01-07 stsp
1363 ca6e02ac 2020-01-07 stsp if (icommit->logmsg_len == 0) {
1364 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = strdup("");
1365 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1366 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1367 ca6e02ac 2020-01-07 stsp goto done;
1368 ca6e02ac 2020-01-07 stsp }
1369 ca6e02ac 2020-01-07 stsp } else {
1370 ca6e02ac 2020-01-07 stsp size_t offset = 0, remain = icommit->logmsg_len;
1371 ca6e02ac 2020-01-07 stsp
1372 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = malloc(icommit->logmsg_len + 1);
1373 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1374 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1375 ca6e02ac 2020-01-07 stsp goto done;
1376 bff6ca00 2018-04-23 stsp }
1377 ca6e02ac 2020-01-07 stsp while (remain > 0) {
1378 ca6e02ac 2020-01-07 stsp struct imsg imsg_log;
1379 ca6e02ac 2020-01-07 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1380 ca6e02ac 2020-01-07 stsp remain);
1381 6c281f94 2018-06-11 stsp
1382 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1383 ca6e02ac 2020-01-07 stsp if (err)
1384 ca6e02ac 2020-01-07 stsp goto done;
1385 bff6ca00 2018-04-23 stsp
1386 ca6e02ac 2020-01-07 stsp if (imsg_log.hdr.type != GOT_IMSG_COMMIT_LOGMSG) {
1387 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1388 ca6e02ac 2020-01-07 stsp goto done;
1389 bff6ca00 2018-04-23 stsp }
1390 c75f7264 2018-09-11 stsp
1391 ca6e02ac 2020-01-07 stsp memcpy((*commit)->logmsg + offset,
1392 ca6e02ac 2020-01-07 stsp imsg_log.data, n);
1393 ca6e02ac 2020-01-07 stsp imsg_free(&imsg_log);
1394 ca6e02ac 2020-01-07 stsp offset += n;
1395 ca6e02ac 2020-01-07 stsp remain -= n;
1396 bff6ca00 2018-04-23 stsp }
1397 ca6e02ac 2020-01-07 stsp (*commit)->logmsg[icommit->logmsg_len] = '\0';
1398 ca6e02ac 2020-01-07 stsp }
1399 bff6ca00 2018-04-23 stsp
1400 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommit->nparents; i++) {
1401 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
1402 86acc566 2018-04-23 stsp
1403 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
1404 ca6e02ac 2020-01-07 stsp if (err)
1405 ca6e02ac 2020-01-07 stsp break;
1406 d7b5a0e8 2022-04-20 stsp memcpy(&qid->id, imsg->data + len +
1407 d7b5a0e8 2022-04-20 stsp i * SHA1_DIGEST_LENGTH, sizeof(qid->id));
1408 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(&(*commit)->parent_ids, qid, entry);
1409 ca6e02ac 2020-01-07 stsp (*commit)->nparents++;
1410 ca6e02ac 2020-01-07 stsp }
1411 ca6e02ac 2020-01-07 stsp done:
1412 ca6e02ac 2020-01-07 stsp if (err) {
1413 ca6e02ac 2020-01-07 stsp got_object_commit_close(*commit);
1414 ca6e02ac 2020-01-07 stsp *commit = NULL;
1415 ca6e02ac 2020-01-07 stsp }
1416 ca6e02ac 2020-01-07 stsp return err;
1417 ca6e02ac 2020-01-07 stsp }
1418 ca6e02ac 2020-01-07 stsp
1419 ca6e02ac 2020-01-07 stsp const struct got_error *
1420 ca6e02ac 2020-01-07 stsp got_privsep_recv_commit(struct got_commit_object **commit, struct imsgbuf *ibuf)
1421 ca6e02ac 2020-01-07 stsp {
1422 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
1423 ca6e02ac 2020-01-07 stsp struct imsg imsg;
1424 ca6e02ac 2020-01-07 stsp size_t datalen;
1425 ca6e02ac 2020-01-07 stsp const size_t min_datalen =
1426 ca6e02ac 2020-01-07 stsp MIN(sizeof(struct got_imsg_error),
1427 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_object));
1428 ca6e02ac 2020-01-07 stsp
1429 ca6e02ac 2020-01-07 stsp *commit = NULL;
1430 ca6e02ac 2020-01-07 stsp
1431 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1432 ca6e02ac 2020-01-07 stsp if (err)
1433 ca6e02ac 2020-01-07 stsp return err;
1434 ca6e02ac 2020-01-07 stsp
1435 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1436 ca6e02ac 2020-01-07 stsp
1437 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
1438 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
1439 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(commit, &imsg, datalen, ibuf);
1440 2178c42e 2018-04-22 stsp break;
1441 8c580685 2018-04-22 stsp default:
1442 8c580685 2018-04-22 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1443 8c580685 2018-04-22 stsp break;
1444 2178c42e 2018-04-22 stsp }
1445 2178c42e 2018-04-22 stsp
1446 2178c42e 2018-04-22 stsp imsg_free(&imsg);
1447 e033d803 2018-04-23 stsp
1448 e033d803 2018-04-23 stsp return err;
1449 e033d803 2018-04-23 stsp }
1450 e033d803 2018-04-23 stsp
1451 33fd69c2 2022-05-19 stsp static const struct got_error *
1452 33fd69c2 2022-05-19 stsp send_tree_entries(struct imsgbuf *ibuf, struct got_parsed_tree_entry *entries,
1453 33fd69c2 2022-05-19 stsp int idx0, int idxN, size_t len)
1454 e033d803 2018-04-23 stsp {
1455 33fd69c2 2022-05-19 stsp struct ibuf *wbuf;
1456 33fd69c2 2022-05-19 stsp struct got_imsg_tree_entries ientries;
1457 33fd69c2 2022-05-19 stsp int i;
1458 e033d803 2018-04-23 stsp
1459 33fd69c2 2022-05-19 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_ENTRIES, 0, 0, len);
1460 33fd69c2 2022-05-19 stsp if (wbuf == NULL)
1461 33fd69c2 2022-05-19 stsp return got_error_from_errno("imsg_create TREE_ENTRY");
1462 e033d803 2018-04-23 stsp
1463 33fd69c2 2022-05-19 stsp ientries.nentries = idxN - idx0 + 1;
1464 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &ientries, sizeof(ientries)) == -1)
1465 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_ENTRY");
1466 e033d803 2018-04-23 stsp
1467 33fd69c2 2022-05-19 stsp for (i = idx0; i <= idxN; i++) {
1468 33fd69c2 2022-05-19 stsp struct got_parsed_tree_entry *pte = &entries[i];
1469 e033d803 2018-04-23 stsp
1470 3022d272 2019-11-14 stsp /* Keep in sync with struct got_imsg_tree_object definition! */
1471 1453347d 2022-05-19 stsp if (imsg_add(wbuf, pte->id, SHA1_DIGEST_LENGTH) == -1)
1472 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_ENTRY");
1473 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &pte->mode, sizeof(pte->mode)) == -1)
1474 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_ENTRY");
1475 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &pte->namelen, sizeof(pte->namelen)) == -1)
1476 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_ENTRY");
1477 33fd69c2 2022-05-19 stsp
1478 33fd69c2 2022-05-19 stsp /* Remaining bytes are the entry's name. */
1479 1453347d 2022-05-19 stsp if (imsg_add(wbuf, pte->name, pte->namelen) == -1)
1480 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_ENTRY");
1481 33fd69c2 2022-05-19 stsp }
1482 3022d272 2019-11-14 stsp
1483 33fd69c2 2022-05-19 stsp wbuf->fd = -1;
1484 33fd69c2 2022-05-19 stsp imsg_close(ibuf, wbuf);
1485 33fd69c2 2022-05-19 stsp return NULL;
1486 33fd69c2 2022-05-19 stsp }
1487 3022d272 2019-11-14 stsp
1488 33fd69c2 2022-05-19 stsp const struct got_error *
1489 33fd69c2 2022-05-19 stsp got_privsep_send_tree(struct imsgbuf *ibuf,
1490 33fd69c2 2022-05-19 stsp struct got_parsed_tree_entry *entries, int nentries)
1491 33fd69c2 2022-05-19 stsp {
1492 33fd69c2 2022-05-19 stsp const struct got_error *err = NULL;
1493 33fd69c2 2022-05-19 stsp struct got_imsg_tree_object itree;
1494 33fd69c2 2022-05-19 stsp size_t entries_len;
1495 33fd69c2 2022-05-19 stsp int i, j;
1496 33fd69c2 2022-05-19 stsp
1497 33fd69c2 2022-05-19 stsp itree.nentries = nentries;
1498 33fd69c2 2022-05-19 stsp if (imsg_compose(ibuf, GOT_IMSG_TREE, 0, 0, -1, &itree, sizeof(itree))
1499 33fd69c2 2022-05-19 stsp == -1)
1500 33fd69c2 2022-05-19 stsp return got_error_from_errno("imsg_compose TREE");
1501 33fd69c2 2022-05-19 stsp
1502 33fd69c2 2022-05-19 stsp entries_len = sizeof(struct got_imsg_tree_entries);
1503 33fd69c2 2022-05-19 stsp i = 0;
1504 33fd69c2 2022-05-19 stsp for (j = 0; j < nentries; j++) {
1505 33fd69c2 2022-05-19 stsp struct got_parsed_tree_entry *pte = &entries[j];
1506 33fd69c2 2022-05-19 stsp size_t len = sizeof(*pte) + pte->namelen;
1507 33fd69c2 2022-05-19 stsp
1508 33fd69c2 2022-05-19 stsp if (j > 0 &&
1509 33fd69c2 2022-05-19 stsp entries_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1510 33fd69c2 2022-05-19 stsp err = send_tree_entries(ibuf, entries,
1511 33fd69c2 2022-05-19 stsp i, j - 1, entries_len);
1512 33fd69c2 2022-05-19 stsp if (err)
1513 33fd69c2 2022-05-19 stsp return err;
1514 33fd69c2 2022-05-19 stsp i = j;
1515 33fd69c2 2022-05-19 stsp entries_len = sizeof(struct got_imsg_tree_entries);
1516 33fd69c2 2022-05-19 stsp }
1517 33fd69c2 2022-05-19 stsp
1518 33fd69c2 2022-05-19 stsp entries_len += len;
1519 e033d803 2018-04-23 stsp }
1520 e033d803 2018-04-23 stsp
1521 33fd69c2 2022-05-19 stsp if (j > 0) {
1522 33fd69c2 2022-05-19 stsp err = send_tree_entries(ibuf, entries, i, j - 1, entries_len);
1523 33fd69c2 2022-05-19 stsp if (err)
1524 33fd69c2 2022-05-19 stsp return err;
1525 33fd69c2 2022-05-19 stsp }
1526 33fd69c2 2022-05-19 stsp
1527 b00c9821 2018-11-04 stsp return flush_imsg(ibuf);
1528 e033d803 2018-04-23 stsp }
1529 e033d803 2018-04-23 stsp
1530 e033d803 2018-04-23 stsp const struct got_error *
1531 068fd2bf 2018-04-24 stsp got_privsep_recv_tree(struct got_tree_object **tree, struct imsgbuf *ibuf)
1532 e033d803 2018-04-23 stsp {
1533 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
1534 e033d803 2018-04-23 stsp const size_t min_datalen =
1535 e033d803 2018-04-23 stsp MIN(sizeof(struct got_imsg_error),
1536 e033d803 2018-04-23 stsp sizeof(struct got_imsg_tree_object));
1537 291624d8 2018-11-07 stsp struct got_imsg_tree_object *itree;
1538 33fd69c2 2022-05-19 stsp size_t i;
1539 e033d803 2018-04-23 stsp int nentries = 0;
1540 2178c42e 2018-04-22 stsp
1541 e033d803 2018-04-23 stsp *tree = NULL;
1542 7429ae85 2022-05-18 stsp
1543 e033d803 2018-04-23 stsp err = read_imsg(ibuf);
1544 e033d803 2018-04-23 stsp if (err)
1545 1e51f5b9 2018-04-23 stsp goto done;
1546 e033d803 2018-04-23 stsp
1547 656b1f76 2019-05-11 jcs for (;;) {
1548 e033d803 2018-04-23 stsp struct imsg imsg;
1549 e033d803 2018-04-23 stsp size_t n;
1550 e033d803 2018-04-23 stsp size_t datalen;
1551 33fd69c2 2022-05-19 stsp struct got_imsg_tree_entries *ientries;
1552 e033d803 2018-04-23 stsp struct got_tree_entry *te = NULL;
1553 33fd69c2 2022-05-19 stsp size_t te_offset;
1554 e033d803 2018-04-23 stsp
1555 e033d803 2018-04-23 stsp n = imsg_get(ibuf, &imsg);
1556 e033d803 2018-04-23 stsp if (n == 0) {
1557 7429ae85 2022-05-18 stsp if ((*tree)) {
1558 7429ae85 2022-05-18 stsp if (nentries < (*tree)->nentries) {
1559 7429ae85 2022-05-18 stsp err = read_imsg(ibuf);
1560 7429ae85 2022-05-18 stsp if (err)
1561 7429ae85 2022-05-18 stsp break;
1562 7429ae85 2022-05-18 stsp continue;
1563 7429ae85 2022-05-18 stsp } else
1564 7429ae85 2022-05-18 stsp break;
1565 7429ae85 2022-05-18 stsp } else {
1566 7429ae85 2022-05-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1567 7429ae85 2022-05-18 stsp break;
1568 7429ae85 2022-05-18 stsp }
1569 e033d803 2018-04-23 stsp }
1570 e033d803 2018-04-23 stsp
1571 fca1f6ad 2020-08-27 stsp if (imsg.hdr.len < IMSG_HEADER_SIZE + min_datalen) {
1572 fca1f6ad 2020-08-27 stsp imsg_free(&imsg);
1573 fca1f6ad 2020-08-27 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1574 fca1f6ad 2020-08-27 stsp break;
1575 fca1f6ad 2020-08-27 stsp }
1576 e033d803 2018-04-23 stsp
1577 e033d803 2018-04-23 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1578 e033d803 2018-04-23 stsp
1579 e033d803 2018-04-23 stsp switch (imsg.hdr.type) {
1580 e033d803 2018-04-23 stsp case GOT_IMSG_ERROR:
1581 e033d803 2018-04-23 stsp err = recv_imsg_error(&imsg, datalen);
1582 e033d803 2018-04-23 stsp break;
1583 e033d803 2018-04-23 stsp case GOT_IMSG_TREE:
1584 e033d803 2018-04-23 stsp /* This message should only appear once. */
1585 e033d803 2018-04-23 stsp if (*tree != NULL) {
1586 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1587 e033d803 2018-04-23 stsp break;
1588 e033d803 2018-04-23 stsp }
1589 291624d8 2018-11-07 stsp if (datalen != sizeof(*itree)) {
1590 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1591 e033d803 2018-04-23 stsp break;
1592 e033d803 2018-04-23 stsp }
1593 291624d8 2018-11-07 stsp itree = imsg.data;
1594 13fcf1bf 2022-05-18 stsp if (itree->nentries < 0) {
1595 13fcf1bf 2022-05-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1596 13fcf1bf 2022-05-18 stsp break;
1597 13fcf1bf 2022-05-18 stsp }
1598 c3b78ecc 2018-11-07 stsp *tree = malloc(sizeof(**tree));
1599 e033d803 2018-04-23 stsp if (*tree == NULL) {
1600 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1601 e033d803 2018-04-23 stsp break;
1602 e033d803 2018-04-23 stsp }
1603 56e0773d 2019-11-28 stsp (*tree)->entries = calloc(itree->nentries,
1604 56e0773d 2019-11-28 stsp sizeof(struct got_tree_entry));
1605 56e0773d 2019-11-28 stsp if ((*tree)->entries == NULL) {
1606 56e0773d 2019-11-28 stsp err = got_error_from_errno("malloc");
1607 baef4d75 2022-05-18 stsp free(*tree);
1608 baef4d75 2022-05-18 stsp *tree = NULL;
1609 56e0773d 2019-11-28 stsp break;
1610 56e0773d 2019-11-28 stsp }
1611 56e0773d 2019-11-28 stsp (*tree)->nentries = itree->nentries;
1612 c3b78ecc 2018-11-07 stsp (*tree)->refcnt = 0;
1613 e033d803 2018-04-23 stsp break;
1614 33fd69c2 2022-05-19 stsp case GOT_IMSG_TREE_ENTRIES:
1615 e033d803 2018-04-23 stsp /* This message should be preceeded by GOT_IMSG_TREE. */
1616 e033d803 2018-04-23 stsp if (*tree == NULL) {
1617 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1618 e033d803 2018-04-23 stsp break;
1619 e033d803 2018-04-23 stsp }
1620 33fd69c2 2022-05-19 stsp if (datalen <= sizeof(*ientries) ||
1621 33fd69c2 2022-05-19 stsp datalen > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1622 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1623 e033d803 2018-04-23 stsp break;
1624 e033d803 2018-04-23 stsp }
1625 e033d803 2018-04-23 stsp
1626 33fd69c2 2022-05-19 stsp ientries = imsg.data;
1627 33fd69c2 2022-05-19 stsp if (ientries->nentries > INT_MAX) {
1628 33fd69c2 2022-05-19 stsp err = got_error_msg(GOT_ERR_NO_SPACE,
1629 33fd69c2 2022-05-19 stsp "too many tree entries");
1630 e033d803 2018-04-23 stsp break;
1631 e033d803 2018-04-23 stsp }
1632 33fd69c2 2022-05-19 stsp te_offset = sizeof(*ientries);
1633 33fd69c2 2022-05-19 stsp for (i = 0; i < ientries->nentries; i++) {
1634 33fd69c2 2022-05-19 stsp struct got_imsg_tree_entry ite;
1635 33fd69c2 2022-05-19 stsp const char *te_name;
1636 33fd69c2 2022-05-19 stsp uint8_t *buf = imsg.data + te_offset;
1637 052d4dc3 2018-04-23 stsp
1638 33fd69c2 2022-05-19 stsp if (te_offset >= datalen) {
1639 33fd69c2 2022-05-19 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1640 33fd69c2 2022-05-19 stsp break;
1641 33fd69c2 2022-05-19 stsp }
1642 e033d803 2018-04-23 stsp
1643 33fd69c2 2022-05-19 stsp /* Might not be aligned, size is ~32 bytes. */
1644 33fd69c2 2022-05-19 stsp memcpy(&ite, buf, sizeof(ite));
1645 33fd69c2 2022-05-19 stsp
1646 33fd69c2 2022-05-19 stsp if (ite.namelen >= sizeof(te->name)) {
1647 33fd69c2 2022-05-19 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1648 33fd69c2 2022-05-19 stsp break;
1649 33fd69c2 2022-05-19 stsp }
1650 33fd69c2 2022-05-19 stsp if (te_offset + sizeof(ite) + ite.namelen >
1651 33fd69c2 2022-05-19 stsp datalen) {
1652 33fd69c2 2022-05-19 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1653 33fd69c2 2022-05-19 stsp break;
1654 33fd69c2 2022-05-19 stsp }
1655 33fd69c2 2022-05-19 stsp if (nentries >= (*tree)->nentries) {
1656 33fd69c2 2022-05-19 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1657 33fd69c2 2022-05-19 stsp break;
1658 33fd69c2 2022-05-19 stsp }
1659 33fd69c2 2022-05-19 stsp te = &(*tree)->entries[nentries];
1660 33fd69c2 2022-05-19 stsp te_name = buf + sizeof(ite);
1661 33fd69c2 2022-05-19 stsp memcpy(te->name, te_name, ite.namelen);
1662 33fd69c2 2022-05-19 stsp te->name[ite.namelen] = '\0';
1663 33fd69c2 2022-05-19 stsp memcpy(te->id.sha1, ite.id, SHA1_DIGEST_LENGTH);
1664 33fd69c2 2022-05-19 stsp te->mode = ite.mode;
1665 33fd69c2 2022-05-19 stsp te->idx = nentries;
1666 33fd69c2 2022-05-19 stsp nentries++;
1667 33fd69c2 2022-05-19 stsp
1668 33fd69c2 2022-05-19 stsp te_offset += sizeof(ite) + ite.namelen;
1669 33fd69c2 2022-05-19 stsp }
1670 e033d803 2018-04-23 stsp break;
1671 e033d803 2018-04-23 stsp default:
1672 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1673 e033d803 2018-04-23 stsp break;
1674 e033d803 2018-04-23 stsp }
1675 e033d803 2018-04-23 stsp
1676 e033d803 2018-04-23 stsp imsg_free(&imsg);
1677 d6b7d054 2020-08-27 stsp if (err)
1678 d6b7d054 2020-08-27 stsp break;
1679 e033d803 2018-04-23 stsp }
1680 1e51f5b9 2018-04-23 stsp done:
1681 56e0773d 2019-11-28 stsp if (*tree && (*tree)->nentries != nentries) {
1682 1e51f5b9 2018-04-23 stsp if (err == NULL)
1683 1e51f5b9 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1684 e033d803 2018-04-23 stsp got_object_tree_close(*tree);
1685 e033d803 2018-04-23 stsp *tree = NULL;
1686 ff6b18f8 2018-04-24 stsp }
1687 ff6b18f8 2018-04-24 stsp
1688 ff6b18f8 2018-04-24 stsp return err;
1689 ff6b18f8 2018-04-24 stsp }
1690 ff6b18f8 2018-04-24 stsp
1691 ff6b18f8 2018-04-24 stsp const struct got_error *
1692 ac544f8c 2019-01-13 stsp got_privsep_send_blob(struct imsgbuf *ibuf, size_t size, size_t hdrlen,
1693 ac544f8c 2019-01-13 stsp const uint8_t *data)
1694 ff6b18f8 2018-04-24 stsp {
1695 2967a784 2018-04-24 stsp struct got_imsg_blob iblob;
1696 2967a784 2018-04-24 stsp
1697 2967a784 2018-04-24 stsp iblob.size = size;
1698 ebc55e2d 2018-12-24 stsp iblob.hdrlen = hdrlen;
1699 2967a784 2018-04-24 stsp
1700 ac544f8c 2019-01-13 stsp if (data) {
1701 ac544f8c 2019-01-13 stsp uint8_t *buf;
1702 ac544f8c 2019-01-13 stsp
1703 ac544f8c 2019-01-13 stsp if (size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX)
1704 ac544f8c 2019-01-13 stsp return got_error(GOT_ERR_NO_SPACE);
1705 ac544f8c 2019-01-13 stsp
1706 ac544f8c 2019-01-13 stsp buf = malloc(sizeof(iblob) + size);
1707 ac544f8c 2019-01-13 stsp if (buf == NULL)
1708 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1709 ff6b18f8 2018-04-24 stsp
1710 ac544f8c 2019-01-13 stsp memcpy(buf, &iblob, sizeof(iblob));
1711 ac544f8c 2019-01-13 stsp memcpy(buf + sizeof(iblob), data, size);
1712 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, buf,
1713 62d463ca 2020-10-20 naddy sizeof(iblob) + size) == -1) {
1714 ac544f8c 2019-01-13 stsp free(buf);
1715 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1716 ac544f8c 2019-01-13 stsp }
1717 ac544f8c 2019-01-13 stsp free(buf);
1718 ac544f8c 2019-01-13 stsp } else {
1719 ac544f8c 2019-01-13 stsp /* Data has already been written to file descriptor. */
1720 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, &iblob,
1721 ac544f8c 2019-01-13 stsp sizeof(iblob)) == -1)
1722 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1723 ac544f8c 2019-01-13 stsp }
1724 ac544f8c 2019-01-13 stsp
1725 ac544f8c 2019-01-13 stsp
1726 ff6b18f8 2018-04-24 stsp return flush_imsg(ibuf);
1727 ff6b18f8 2018-04-24 stsp }
1728 ff6b18f8 2018-04-24 stsp
1729 ff6b18f8 2018-04-24 stsp const struct got_error *
1730 ac544f8c 2019-01-13 stsp got_privsep_recv_blob(uint8_t **outbuf, size_t *size, size_t *hdrlen,
1731 ac544f8c 2019-01-13 stsp struct imsgbuf *ibuf)
1732 ff6b18f8 2018-04-24 stsp {
1733 ff6b18f8 2018-04-24 stsp const struct got_error *err = NULL;
1734 ff6b18f8 2018-04-24 stsp struct imsg imsg;
1735 291624d8 2018-11-07 stsp struct got_imsg_blob *iblob;
1736 ff6b18f8 2018-04-24 stsp size_t datalen;
1737 ff6b18f8 2018-04-24 stsp
1738 ac544f8c 2019-01-13 stsp *outbuf = NULL;
1739 ac544f8c 2019-01-13 stsp
1740 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1741 ff6b18f8 2018-04-24 stsp if (err)
1742 ff6b18f8 2018-04-24 stsp return err;
1743 ff6b18f8 2018-04-24 stsp
1744 ff6b18f8 2018-04-24 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1745 ff6b18f8 2018-04-24 stsp
1746 ff6b18f8 2018-04-24 stsp switch (imsg.hdr.type) {
1747 ff6b18f8 2018-04-24 stsp case GOT_IMSG_BLOB:
1748 ac544f8c 2019-01-13 stsp if (datalen < sizeof(*iblob)) {
1749 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1750 18336eed 2018-11-04 stsp break;
1751 18336eed 2018-11-04 stsp }
1752 291624d8 2018-11-07 stsp iblob = imsg.data;
1753 291624d8 2018-11-07 stsp *size = iblob->size;
1754 ebc55e2d 2018-12-24 stsp *hdrlen = iblob->hdrlen;
1755 ac544f8c 2019-01-13 stsp
1756 ac544f8c 2019-01-13 stsp if (datalen == sizeof(*iblob)) {
1757 ac544f8c 2019-01-13 stsp /* Data has been written to file descriptor. */
1758 ac544f8c 2019-01-13 stsp break;
1759 ac544f8c 2019-01-13 stsp }
1760 ac544f8c 2019-01-13 stsp
1761 ac544f8c 2019-01-13 stsp if (*size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX) {
1762 ac544f8c 2019-01-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1763 ac544f8c 2019-01-13 stsp break;
1764 ac544f8c 2019-01-13 stsp }
1765 ac544f8c 2019-01-13 stsp
1766 ac544f8c 2019-01-13 stsp *outbuf = malloc(*size);
1767 ac544f8c 2019-01-13 stsp if (*outbuf == NULL) {
1768 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1769 ac544f8c 2019-01-13 stsp break;
1770 ac544f8c 2019-01-13 stsp }
1771 ac544f8c 2019-01-13 stsp memcpy(*outbuf, imsg.data + sizeof(*iblob), *size);
1772 f4a881ce 2018-11-17 stsp break;
1773 f4a881ce 2018-11-17 stsp default:
1774 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1775 f4a881ce 2018-11-17 stsp break;
1776 f4a881ce 2018-11-17 stsp }
1777 f4a881ce 2018-11-17 stsp
1778 f4a881ce 2018-11-17 stsp imsg_free(&imsg);
1779 f4a881ce 2018-11-17 stsp
1780 f4a881ce 2018-11-17 stsp return err;
1781 f4a881ce 2018-11-17 stsp }
1782 f4a881ce 2018-11-17 stsp
1783 f4a881ce 2018-11-17 stsp static const struct got_error *
1784 f4a881ce 2018-11-17 stsp send_tagmsg(struct imsgbuf *ibuf, struct got_tag_object *tag, size_t tagmsg_len)
1785 f4a881ce 2018-11-17 stsp {
1786 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1787 f4a881ce 2018-11-17 stsp size_t offset, remain;
1788 f4a881ce 2018-11-17 stsp
1789 f4a881ce 2018-11-17 stsp offset = 0;
1790 f4a881ce 2018-11-17 stsp remain = tagmsg_len;
1791 f4a881ce 2018-11-17 stsp while (remain > 0) {
1792 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1793 f4a881ce 2018-11-17 stsp
1794 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_TAGMSG, 0, 0, -1,
1795 f4a881ce 2018-11-17 stsp tag->tagmsg + offset, n) == -1) {
1796 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG_TAGMSG");
1797 f4a881ce 2018-11-17 stsp break;
1798 f4a881ce 2018-11-17 stsp }
1799 f4a881ce 2018-11-17 stsp
1800 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1801 f4a881ce 2018-11-17 stsp if (err)
1802 f4a881ce 2018-11-17 stsp break;
1803 f4a881ce 2018-11-17 stsp
1804 f4a881ce 2018-11-17 stsp offset += n;
1805 f4a881ce 2018-11-17 stsp remain -= n;
1806 f4a881ce 2018-11-17 stsp }
1807 f4a881ce 2018-11-17 stsp
1808 f4a881ce 2018-11-17 stsp return err;
1809 f4a881ce 2018-11-17 stsp }
1810 f4a881ce 2018-11-17 stsp
1811 f4a881ce 2018-11-17 stsp const struct got_error *
1812 f4a881ce 2018-11-17 stsp got_privsep_send_tag(struct imsgbuf *ibuf, struct got_tag_object *tag)
1813 f4a881ce 2018-11-17 stsp {
1814 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1815 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1816 f4a881ce 2018-11-17 stsp uint8_t *buf;
1817 f4a881ce 2018-11-17 stsp size_t len, total;
1818 f4a881ce 2018-11-17 stsp size_t tag_len = strlen(tag->tag);
1819 f4a881ce 2018-11-17 stsp size_t tagger_len = strlen(tag->tagger);
1820 f4a881ce 2018-11-17 stsp size_t tagmsg_len = strlen(tag->tagmsg);
1821 f4a881ce 2018-11-17 stsp
1822 f4a881ce 2018-11-17 stsp total = sizeof(*itag) + tag_len + tagger_len + tagmsg_len;
1823 f4a881ce 2018-11-17 stsp
1824 f4a881ce 2018-11-17 stsp buf = malloc(total);
1825 f4a881ce 2018-11-17 stsp if (buf == NULL)
1826 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1827 f4a881ce 2018-11-17 stsp
1828 f4a881ce 2018-11-17 stsp itag = (struct got_imsg_tag_object *)buf;
1829 f4a881ce 2018-11-17 stsp memcpy(itag->id, tag->id.sha1, sizeof(itag->id));
1830 f4a881ce 2018-11-17 stsp itag->obj_type = tag->obj_type;
1831 f4a881ce 2018-11-17 stsp itag->tag_len = tag_len;
1832 f4a881ce 2018-11-17 stsp itag->tagger_len = tagger_len;
1833 f4a881ce 2018-11-17 stsp itag->tagger_time = tag->tagger_time;
1834 f4a881ce 2018-11-17 stsp itag->tagger_gmtoff = tag->tagger_gmtoff;
1835 f4a881ce 2018-11-17 stsp itag->tagmsg_len = tagmsg_len;
1836 f4a881ce 2018-11-17 stsp
1837 f4a881ce 2018-11-17 stsp len = sizeof(*itag);
1838 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tag, tag_len);
1839 f4a881ce 2018-11-17 stsp len += tag_len;
1840 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tagger, tagger_len);
1841 f4a881ce 2018-11-17 stsp len += tagger_len;
1842 f4a881ce 2018-11-17 stsp
1843 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG, 0, 0, -1, buf, len) == -1) {
1844 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG");
1845 f4a881ce 2018-11-17 stsp goto done;
1846 f4a881ce 2018-11-17 stsp }
1847 f4a881ce 2018-11-17 stsp
1848 f4a881ce 2018-11-17 stsp if (tagmsg_len == 0 ||
1849 f4a881ce 2018-11-17 stsp tagmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1850 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1851 f4a881ce 2018-11-17 stsp if (err)
1852 f4a881ce 2018-11-17 stsp goto done;
1853 f4a881ce 2018-11-17 stsp }
1854 f4a881ce 2018-11-17 stsp err = send_tagmsg(ibuf, tag, tagmsg_len);
1855 f4a881ce 2018-11-17 stsp done:
1856 f4a881ce 2018-11-17 stsp free(buf);
1857 f4a881ce 2018-11-17 stsp return err;
1858 f4a881ce 2018-11-17 stsp }
1859 f4a881ce 2018-11-17 stsp
1860 f4a881ce 2018-11-17 stsp const struct got_error *
1861 f4a881ce 2018-11-17 stsp got_privsep_recv_tag(struct got_tag_object **tag, struct imsgbuf *ibuf)
1862 f4a881ce 2018-11-17 stsp {
1863 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1864 f4a881ce 2018-11-17 stsp struct imsg imsg;
1865 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1866 f4a881ce 2018-11-17 stsp size_t len, datalen;
1867 f4a881ce 2018-11-17 stsp const size_t min_datalen =
1868 f4a881ce 2018-11-17 stsp MIN(sizeof(struct got_imsg_error),
1869 f4a881ce 2018-11-17 stsp sizeof(struct got_imsg_tag_object));
1870 f4a881ce 2018-11-17 stsp
1871 f4a881ce 2018-11-17 stsp *tag = NULL;
1872 f4a881ce 2018-11-17 stsp
1873 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1874 f4a881ce 2018-11-17 stsp if (err)
1875 f4a881ce 2018-11-17 stsp return err;
1876 f4a881ce 2018-11-17 stsp
1877 f4a881ce 2018-11-17 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1878 f4a881ce 2018-11-17 stsp len = 0;
1879 f4a881ce 2018-11-17 stsp
1880 f4a881ce 2018-11-17 stsp switch (imsg.hdr.type) {
1881 f4a881ce 2018-11-17 stsp case GOT_IMSG_TAG:
1882 f4a881ce 2018-11-17 stsp if (datalen < sizeof(*itag)) {
1883 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1884 f4a881ce 2018-11-17 stsp break;
1885 f4a881ce 2018-11-17 stsp }
1886 f4a881ce 2018-11-17 stsp itag = imsg.data;
1887 f4a881ce 2018-11-17 stsp if (datalen != sizeof(*itag) + itag->tag_len +
1888 f4a881ce 2018-11-17 stsp itag->tagger_len) {
1889 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1890 f4a881ce 2018-11-17 stsp break;
1891 f4a881ce 2018-11-17 stsp }
1892 f4a881ce 2018-11-17 stsp len += sizeof(*itag);
1893 f4a881ce 2018-11-17 stsp
1894 f4a881ce 2018-11-17 stsp *tag = calloc(1, sizeof(**tag));
1895 f4a881ce 2018-11-17 stsp if (*tag == NULL) {
1896 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
1897 f4a881ce 2018-11-17 stsp break;
1898 f4a881ce 2018-11-17 stsp }
1899 f4a881ce 2018-11-17 stsp
1900 f4a881ce 2018-11-17 stsp memcpy((*tag)->id.sha1, itag->id, SHA1_DIGEST_LENGTH);
1901 f4a881ce 2018-11-17 stsp
1902 f4a881ce 2018-11-17 stsp if (itag->tag_len == 0) {
1903 f4a881ce 2018-11-17 stsp (*tag)->tag = strdup("");
1904 f4a881ce 2018-11-17 stsp if ((*tag)->tag == NULL) {
1905 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1906 f4a881ce 2018-11-17 stsp break;
1907 f4a881ce 2018-11-17 stsp }
1908 f4a881ce 2018-11-17 stsp } else {
1909 f4a881ce 2018-11-17 stsp (*tag)->tag = malloc(itag->tag_len + 1);
1910 f4a881ce 2018-11-17 stsp if ((*tag)->tag == NULL) {
1911 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1912 f4a881ce 2018-11-17 stsp break;
1913 f4a881ce 2018-11-17 stsp }
1914 f4a881ce 2018-11-17 stsp memcpy((*tag)->tag, imsg.data + len,
1915 f4a881ce 2018-11-17 stsp itag->tag_len);
1916 f4a881ce 2018-11-17 stsp (*tag)->tag[itag->tag_len] = '\0';
1917 f4a881ce 2018-11-17 stsp }
1918 f4a881ce 2018-11-17 stsp len += itag->tag_len;
1919 f4a881ce 2018-11-17 stsp
1920 f4a881ce 2018-11-17 stsp (*tag)->obj_type = itag->obj_type;
1921 f4a881ce 2018-11-17 stsp (*tag)->tagger_time = itag->tagger_time;
1922 f4a881ce 2018-11-17 stsp (*tag)->tagger_gmtoff = itag->tagger_gmtoff;
1923 f4a881ce 2018-11-17 stsp
1924 f4a881ce 2018-11-17 stsp if (itag->tagger_len == 0) {
1925 f4a881ce 2018-11-17 stsp (*tag)->tagger = strdup("");
1926 f4a881ce 2018-11-17 stsp if ((*tag)->tagger == NULL) {
1927 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1928 f4a881ce 2018-11-17 stsp break;
1929 f4a881ce 2018-11-17 stsp }
1930 f4a881ce 2018-11-17 stsp } else {
1931 f4a881ce 2018-11-17 stsp (*tag)->tagger = malloc(itag->tagger_len + 1);
1932 f4a881ce 2018-11-17 stsp if ((*tag)->tagger == NULL) {
1933 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1934 f4a881ce 2018-11-17 stsp break;
1935 f4a881ce 2018-11-17 stsp }
1936 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagger, imsg.data + len,
1937 f4a881ce 2018-11-17 stsp itag->tagger_len);
1938 f4a881ce 2018-11-17 stsp (*tag)->tagger[itag->tagger_len] = '\0';
1939 f4a881ce 2018-11-17 stsp }
1940 f4a881ce 2018-11-17 stsp len += itag->tagger_len;
1941 f4a881ce 2018-11-17 stsp
1942 f4a881ce 2018-11-17 stsp if (itag->tagmsg_len == 0) {
1943 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = strdup("");
1944 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1945 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1946 f4a881ce 2018-11-17 stsp break;
1947 f4a881ce 2018-11-17 stsp }
1948 f4a881ce 2018-11-17 stsp } else {
1949 f4a881ce 2018-11-17 stsp size_t offset = 0, remain = itag->tagmsg_len;
1950 f4a881ce 2018-11-17 stsp
1951 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = malloc(itag->tagmsg_len + 1);
1952 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1953 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1954 f4a881ce 2018-11-17 stsp break;
1955 f4a881ce 2018-11-17 stsp }
1956 f4a881ce 2018-11-17 stsp while (remain > 0) {
1957 f4a881ce 2018-11-17 stsp struct imsg imsg_log;
1958 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1959 f4a881ce 2018-11-17 stsp remain);
1960 f4a881ce 2018-11-17 stsp
1961 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1962 f4a881ce 2018-11-17 stsp if (err)
1963 f4a881ce 2018-11-17 stsp return err;
1964 f4a881ce 2018-11-17 stsp
1965 f4a881ce 2018-11-17 stsp if (imsg_log.hdr.type != GOT_IMSG_TAG_TAGMSG)
1966 f4a881ce 2018-11-17 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
1967 f4a881ce 2018-11-17 stsp
1968 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagmsg + offset, imsg_log.data,
1969 f4a881ce 2018-11-17 stsp n);
1970 f4a881ce 2018-11-17 stsp imsg_free(&imsg_log);
1971 f4a881ce 2018-11-17 stsp offset += n;
1972 f4a881ce 2018-11-17 stsp remain -= n;
1973 f4a881ce 2018-11-17 stsp }
1974 f4a881ce 2018-11-17 stsp (*tag)->tagmsg[itag->tagmsg_len] = '\0';
1975 f4a881ce 2018-11-17 stsp }
1976 f4a881ce 2018-11-17 stsp
1977 ff6b18f8 2018-04-24 stsp break;
1978 ff6b18f8 2018-04-24 stsp default:
1979 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1980 ff6b18f8 2018-04-24 stsp break;
1981 e033d803 2018-04-23 stsp }
1982 e033d803 2018-04-23 stsp
1983 ff6b18f8 2018-04-24 stsp imsg_free(&imsg);
1984 ff6b18f8 2018-04-24 stsp
1985 2178c42e 2018-04-22 stsp return err;
1986 2178c42e 2018-04-22 stsp }
1987 876c234b 2018-09-10 stsp
1988 876c234b 2018-09-10 stsp const struct got_error *
1989 876c234b 2018-09-10 stsp got_privsep_init_pack_child(struct imsgbuf *ibuf, struct got_pack *pack,
1990 876c234b 2018-09-10 stsp struct got_packidx *packidx)
1991 876c234b 2018-09-10 stsp {
1992 41496140 2019-02-21 stsp const struct got_error *err = NULL;
1993 876c234b 2018-09-10 stsp struct got_imsg_packidx ipackidx;
1994 876c234b 2018-09-10 stsp struct got_imsg_pack ipack;
1995 876c234b 2018-09-10 stsp int fd;
1996 876c234b 2018-09-10 stsp
1997 876c234b 2018-09-10 stsp ipackidx.len = packidx->len;
1998 c3564dfa 2021-07-15 stsp ipackidx.packfile_size = pack->filesize;
1999 876c234b 2018-09-10 stsp fd = dup(packidx->fd);
2000 876c234b 2018-09-10 stsp if (fd == -1)
2001 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
2002 876c234b 2018-09-10 stsp
2003 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKIDX, 0, 0, fd, &ipackidx,
2004 41496140 2019-02-21 stsp sizeof(ipackidx)) == -1) {
2005 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACKIDX");
2006 41496140 2019-02-21 stsp close(fd);
2007 41496140 2019-02-21 stsp return err;
2008 41496140 2019-02-21 stsp }
2009 876c234b 2018-09-10 stsp
2010 876c234b 2018-09-10 stsp if (strlcpy(ipack.path_packfile, pack->path_packfile,
2011 876c234b 2018-09-10 stsp sizeof(ipack.path_packfile)) >= sizeof(ipack.path_packfile))
2012 876c234b 2018-09-10 stsp return got_error(GOT_ERR_NO_SPACE);
2013 876c234b 2018-09-10 stsp ipack.filesize = pack->filesize;
2014 876c234b 2018-09-10 stsp
2015 876c234b 2018-09-10 stsp fd = dup(pack->fd);
2016 876c234b 2018-09-10 stsp if (fd == -1)
2017 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
2018 876c234b 2018-09-10 stsp
2019 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACK, 0, 0, fd, &ipack, sizeof(ipack))
2020 41496140 2019-02-21 stsp == -1) {
2021 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACK");
2022 41496140 2019-02-21 stsp close(fd);
2023 41496140 2019-02-21 stsp return err;
2024 41496140 2019-02-21 stsp }
2025 876c234b 2018-09-10 stsp
2026 876c234b 2018-09-10 stsp return flush_imsg(ibuf);
2027 876c234b 2018-09-10 stsp }
2028 876c234b 2018-09-10 stsp
2029 876c234b 2018-09-10 stsp const struct got_error *
2030 106807b4 2018-09-15 stsp got_privsep_send_packed_obj_req(struct imsgbuf *ibuf, int idx,
2031 106807b4 2018-09-15 stsp struct got_object_id *id)
2032 876c234b 2018-09-10 stsp {
2033 876c234b 2018-09-10 stsp struct got_imsg_packed_object iobj;
2034 876c234b 2018-09-10 stsp
2035 876c234b 2018-09-10 stsp iobj.idx = idx;
2036 106807b4 2018-09-15 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
2037 876c234b 2018-09-10 stsp
2038 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_OBJECT_REQUEST, 0, 0, -1,
2039 876c234b 2018-09-10 stsp &iobj, sizeof(iobj)) == -1)
2040 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose "
2041 230a42bd 2019-05-11 jcs "PACKED_OBJECT_REQUEST");
2042 aba9c984 2019-09-08 stsp
2043 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2044 aba9c984 2019-09-08 stsp }
2045 aba9c984 2019-09-08 stsp
2046 aba9c984 2019-09-08 stsp const struct got_error *
2047 59d1e4a0 2021-03-10 stsp got_privsep_send_packed_raw_obj_req(struct imsgbuf *ibuf, int idx,
2048 59d1e4a0 2021-03-10 stsp struct got_object_id *id)
2049 59d1e4a0 2021-03-10 stsp {
2050 59d1e4a0 2021-03-10 stsp struct got_imsg_packed_object iobj;
2051 59d1e4a0 2021-03-10 stsp
2052 59d1e4a0 2021-03-10 stsp iobj.idx = idx;
2053 59d1e4a0 2021-03-10 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
2054 59d1e4a0 2021-03-10 stsp
2055 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_RAW_OBJECT_REQUEST, 0, 0, -1,
2056 59d1e4a0 2021-03-10 stsp &iobj, sizeof(iobj)) == -1)
2057 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose "
2058 59d1e4a0 2021-03-10 stsp "PACKED_OBJECT_REQUEST");
2059 59d1e4a0 2021-03-10 stsp
2060 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
2061 59d1e4a0 2021-03-10 stsp }
2062 59d1e4a0 2021-03-10 stsp
2063 59d1e4a0 2021-03-10 stsp const struct got_error *
2064 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_parse_req(struct imsgbuf *ibuf, int fd)
2065 aba9c984 2019-09-08 stsp {
2066 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2067 aba9c984 2019-09-08 stsp
2068 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_PARSE_REQUEST, 0, 0, fd,
2069 aba9c984 2019-09-08 stsp NULL, 0) == -1) {
2070 aba9c984 2019-09-08 stsp err = got_error_from_errno("imsg_compose "
2071 aba9c984 2019-09-08 stsp "GITCONFIG_PARSE_REQUEST");
2072 aba9c984 2019-09-08 stsp close(fd);
2073 aba9c984 2019-09-08 stsp return err;
2074 aba9c984 2019-09-08 stsp }
2075 aba9c984 2019-09-08 stsp
2076 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2077 aba9c984 2019-09-08 stsp }
2078 aba9c984 2019-09-08 stsp
2079 aba9c984 2019-09-08 stsp const struct got_error *
2080 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_repository_format_version_req(struct imsgbuf *ibuf)
2081 aba9c984 2019-09-08 stsp {
2082 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2083 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST, 0, 0, -1,
2084 aba9c984 2019-09-08 stsp NULL, 0) == -1)
2085 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2086 aba9c984 2019-09-08 stsp "GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST");
2087 aba9c984 2019-09-08 stsp
2088 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2089 aba9c984 2019-09-08 stsp }
2090 aba9c984 2019-09-08 stsp
2091 aba9c984 2019-09-08 stsp const struct got_error *
2092 20b7abb3 2020-10-22 stsp got_privsep_send_gitconfig_repository_extensions_req(struct imsgbuf *ibuf)
2093 20b7abb3 2020-10-22 stsp {
2094 20b7abb3 2020-10-22 stsp if (imsg_compose(ibuf,
2095 20b7abb3 2020-10-22 stsp GOT_IMSG_GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST, 0, 0, -1,
2096 20b7abb3 2020-10-22 stsp NULL, 0) == -1)
2097 20b7abb3 2020-10-22 stsp return got_error_from_errno("imsg_compose "
2098 20b7abb3 2020-10-22 stsp "GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST");
2099 20b7abb3 2020-10-22 stsp
2100 20b7abb3 2020-10-22 stsp return flush_imsg(ibuf);
2101 20b7abb3 2020-10-22 stsp }
2102 20b7abb3 2020-10-22 stsp
2103 20b7abb3 2020-10-22 stsp
2104 20b7abb3 2020-10-22 stsp const struct got_error *
2105 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_name_req(struct imsgbuf *ibuf)
2106 aba9c984 2019-09-08 stsp {
2107 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2108 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_NAME_REQUEST, 0, 0, -1, NULL, 0) == -1)
2109 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2110 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_NAME_REQUEST");
2111 aba9c984 2019-09-08 stsp
2112 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2113 aba9c984 2019-09-08 stsp }
2114 aba9c984 2019-09-08 stsp
2115 aba9c984 2019-09-08 stsp const struct got_error *
2116 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_email_req(struct imsgbuf *ibuf)
2117 aba9c984 2019-09-08 stsp {
2118 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2119 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_EMAIL_REQUEST, 0, 0, -1, NULL, 0) == -1)
2120 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2121 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_EMAIL_REQUEST");
2122 cd95becd 2019-11-29 stsp
2123 cd95becd 2019-11-29 stsp return flush_imsg(ibuf);
2124 cd95becd 2019-11-29 stsp }
2125 cd95becd 2019-11-29 stsp
2126 cd95becd 2019-11-29 stsp const struct got_error *
2127 cd95becd 2019-11-29 stsp got_privsep_send_gitconfig_remotes_req(struct imsgbuf *ibuf)
2128 cd95becd 2019-11-29 stsp {
2129 cd95becd 2019-11-29 stsp if (imsg_compose(ibuf,
2130 cd95becd 2019-11-29 stsp GOT_IMSG_GITCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2131 cd95becd 2019-11-29 stsp return got_error_from_errno("imsg_compose "
2132 cd95becd 2019-11-29 stsp "GITCONFIG_REMOTE_REQUEST");
2133 aba9c984 2019-09-08 stsp
2134 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2135 aba9c984 2019-09-08 stsp }
2136 aba9c984 2019-09-08 stsp
2137 aba9c984 2019-09-08 stsp const struct got_error *
2138 9a1cc63f 2020-02-03 stsp got_privsep_send_gitconfig_owner_req(struct imsgbuf *ibuf)
2139 9a1cc63f 2020-02-03 stsp {
2140 9a1cc63f 2020-02-03 stsp if (imsg_compose(ibuf,
2141 9a1cc63f 2020-02-03 stsp GOT_IMSG_GITCONFIG_OWNER_REQUEST, 0, 0, -1, NULL, 0) == -1)
2142 9a1cc63f 2020-02-03 stsp return got_error_from_errno("imsg_compose "
2143 9a1cc63f 2020-02-03 stsp "GITCONFIG_OWNER_REQUEST");
2144 9a1cc63f 2020-02-03 stsp
2145 9a1cc63f 2020-02-03 stsp return flush_imsg(ibuf);
2146 9a1cc63f 2020-02-03 stsp }
2147 9a1cc63f 2020-02-03 stsp
2148 9a1cc63f 2020-02-03 stsp const struct got_error *
2149 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_str(char **str, struct imsgbuf *ibuf)
2150 aba9c984 2019-09-08 stsp {
2151 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2152 aba9c984 2019-09-08 stsp struct imsg imsg;
2153 aba9c984 2019-09-08 stsp size_t datalen;
2154 aba9c984 2019-09-08 stsp const size_t min_datalen = 0;
2155 aba9c984 2019-09-08 stsp
2156 aba9c984 2019-09-08 stsp *str = NULL;
2157 aba9c984 2019-09-08 stsp
2158 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2159 aba9c984 2019-09-08 stsp if (err)
2160 aba9c984 2019-09-08 stsp return err;
2161 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2162 aba9c984 2019-09-08 stsp
2163 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2164 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_STR_VAL:
2165 aba9c984 2019-09-08 stsp if (datalen == 0)
2166 aba9c984 2019-09-08 stsp break;
2167 6c13dcd2 2020-09-18 stsp /* datalen does not include terminating \0 */
2168 6c13dcd2 2020-09-18 stsp *str = malloc(datalen + 1);
2169 aba9c984 2019-09-08 stsp if (*str == NULL) {
2170 aba9c984 2019-09-08 stsp err = got_error_from_errno("malloc");
2171 aba9c984 2019-09-08 stsp break;
2172 aba9c984 2019-09-08 stsp }
2173 6c13dcd2 2020-09-18 stsp memcpy(*str, imsg.data, datalen);
2174 6c13dcd2 2020-09-18 stsp (*str)[datalen] = '\0';
2175 aba9c984 2019-09-08 stsp break;
2176 aba9c984 2019-09-08 stsp default:
2177 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2178 aba9c984 2019-09-08 stsp break;
2179 aba9c984 2019-09-08 stsp }
2180 876c234b 2018-09-10 stsp
2181 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2182 aba9c984 2019-09-08 stsp return err;
2183 aba9c984 2019-09-08 stsp }
2184 aba9c984 2019-09-08 stsp
2185 aba9c984 2019-09-08 stsp const struct got_error *
2186 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_int(int *val, struct imsgbuf *ibuf)
2187 aba9c984 2019-09-08 stsp {
2188 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2189 aba9c984 2019-09-08 stsp struct imsg imsg;
2190 aba9c984 2019-09-08 stsp size_t datalen;
2191 aba9c984 2019-09-08 stsp const size_t min_datalen =
2192 aba9c984 2019-09-08 stsp MIN(sizeof(struct got_imsg_error), sizeof(int));
2193 aba9c984 2019-09-08 stsp
2194 aba9c984 2019-09-08 stsp *val = 0;
2195 aba9c984 2019-09-08 stsp
2196 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2197 aba9c984 2019-09-08 stsp if (err)
2198 aba9c984 2019-09-08 stsp return err;
2199 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2200 aba9c984 2019-09-08 stsp
2201 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2202 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_INT_VAL:
2203 aba9c984 2019-09-08 stsp if (datalen != sizeof(*val)) {
2204 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2205 aba9c984 2019-09-08 stsp break;
2206 aba9c984 2019-09-08 stsp }
2207 aba9c984 2019-09-08 stsp memcpy(val, imsg.data, sizeof(*val));
2208 cd95becd 2019-11-29 stsp break;
2209 cd95becd 2019-11-29 stsp default:
2210 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2211 cd95becd 2019-11-29 stsp break;
2212 cd95becd 2019-11-29 stsp }
2213 cd95becd 2019-11-29 stsp
2214 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2215 cd95becd 2019-11-29 stsp return err;
2216 b8adfa55 2020-09-25 stsp }
2217 b8adfa55 2020-09-25 stsp
2218 b8adfa55 2020-09-25 stsp static void
2219 b8adfa55 2020-09-25 stsp free_remote_data(struct got_remote_repo *remote)
2220 b8adfa55 2020-09-25 stsp {
2221 b8adfa55 2020-09-25 stsp int i;
2222 b8adfa55 2020-09-25 stsp
2223 b8adfa55 2020-09-25 stsp free(remote->name);
2224 6480c871 2021-08-30 stsp free(remote->fetch_url);
2225 6480c871 2021-08-30 stsp free(remote->send_url);
2226 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_branches; i++)
2227 6480c871 2021-08-30 stsp free(remote->fetch_branches[i]);
2228 6480c871 2021-08-30 stsp free(remote->fetch_branches);
2229 6480c871 2021-08-30 stsp for (i = 0; i < remote->nsend_branches; i++)
2230 6480c871 2021-08-30 stsp free(remote->send_branches[i]);
2231 6480c871 2021-08-30 stsp free(remote->send_branches);
2232 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_refs; i++)
2233 6480c871 2021-08-30 stsp free(remote->fetch_refs[i]);
2234 6480c871 2021-08-30 stsp free(remote->fetch_refs);
2235 cd95becd 2019-11-29 stsp }
2236 cd95becd 2019-11-29 stsp
2237 cd95becd 2019-11-29 stsp const struct got_error *
2238 cd95becd 2019-11-29 stsp got_privsep_recv_gitconfig_remotes(struct got_remote_repo **remotes,
2239 cd95becd 2019-11-29 stsp int *nremotes, struct imsgbuf *ibuf)
2240 cd95becd 2019-11-29 stsp {
2241 cd95becd 2019-11-29 stsp const struct got_error *err = NULL;
2242 cd95becd 2019-11-29 stsp struct imsg imsg;
2243 cd95becd 2019-11-29 stsp size_t datalen;
2244 cd95becd 2019-11-29 stsp struct got_imsg_remotes iremotes;
2245 cd95becd 2019-11-29 stsp struct got_imsg_remote iremote;
2246 cd95becd 2019-11-29 stsp
2247 cd95becd 2019-11-29 stsp *remotes = NULL;
2248 cd95becd 2019-11-29 stsp *nremotes = 0;
2249 d669b9c9 2020-02-22 stsp iremotes.nremotes = 0;
2250 cd95becd 2019-11-29 stsp
2251 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremotes));
2252 cd95becd 2019-11-29 stsp if (err)
2253 cd95becd 2019-11-29 stsp return err;
2254 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2255 cd95becd 2019-11-29 stsp
2256 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2257 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTES:
2258 cd95becd 2019-11-29 stsp if (datalen != sizeof(iremotes)) {
2259 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2260 cd95becd 2019-11-29 stsp break;
2261 cd95becd 2019-11-29 stsp }
2262 cd95becd 2019-11-29 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2263 cd95becd 2019-11-29 stsp if (iremotes.nremotes == 0) {
2264 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2265 cd95becd 2019-11-29 stsp return NULL;
2266 cd95becd 2019-11-29 stsp }
2267 aba9c984 2019-09-08 stsp break;
2268 aba9c984 2019-09-08 stsp default:
2269 54b1c5b5 2020-02-22 stsp imsg_free(&imsg);
2270 54b1c5b5 2020-02-22 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2271 aba9c984 2019-09-08 stsp }
2272 aba9c984 2019-09-08 stsp
2273 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2274 cd95becd 2019-11-29 stsp
2275 5146eb39 2020-03-20 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2276 cd95becd 2019-11-29 stsp if (*remotes == NULL)
2277 cd95becd 2019-11-29 stsp return got_error_from_errno("recallocarray");
2278 cd95becd 2019-11-29 stsp
2279 cd95becd 2019-11-29 stsp while (*nremotes < iremotes.nremotes) {
2280 cd95becd 2019-11-29 stsp struct got_remote_repo *remote;
2281 3168e5da 2020-09-10 stsp
2282 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremote));
2283 cd95becd 2019-11-29 stsp if (err)
2284 cd95becd 2019-11-29 stsp break;
2285 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2286 cd95becd 2019-11-29 stsp
2287 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2288 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTE:
2289 cd95becd 2019-11-29 stsp remote = &(*remotes)[*nremotes];
2290 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2291 cd95becd 2019-11-29 stsp if (datalen < sizeof(iremote)) {
2292 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2293 cd95becd 2019-11-29 stsp break;
2294 cd95becd 2019-11-29 stsp }
2295 cd95becd 2019-11-29 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2296 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2297 6480c871 2021-08-30 stsp iremote.fetch_url_len == 0 ||
2298 6480c871 2021-08-30 stsp iremote.send_url_len == 0 ||
2299 cd95becd 2019-11-29 stsp (sizeof(iremote) + iremote.name_len +
2300 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) > datalen) {
2301 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2302 cd95becd 2019-11-29 stsp break;
2303 cd95becd 2019-11-29 stsp }
2304 cd95becd 2019-11-29 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2305 cd95becd 2019-11-29 stsp iremote.name_len);
2306 cd95becd 2019-11-29 stsp if (remote->name == NULL) {
2307 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2308 cd95becd 2019-11-29 stsp break;
2309 cd95becd 2019-11-29 stsp }
2310 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data + sizeof(iremote) +
2311 6480c871 2021-08-30 stsp iremote.name_len, iremote.fetch_url_len);
2312 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2313 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2314 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2315 cd95becd 2019-11-29 stsp break;
2316 cd95becd 2019-11-29 stsp }
2317 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data + sizeof(iremote) +
2318 6480c871 2021-08-30 stsp iremote.name_len + iremote.fetch_url_len,
2319 6480c871 2021-08-30 stsp iremote.send_url_len);
2320 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2321 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2322 6480c871 2021-08-30 stsp free_remote_data(remote);
2323 6480c871 2021-08-30 stsp break;
2324 6480c871 2021-08-30 stsp }
2325 469dd726 2020-03-20 stsp remote->mirror_references = iremote.mirror_references;
2326 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2327 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2328 6480c871 2021-08-30 stsp remote->fetch_branches = NULL;
2329 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2330 6480c871 2021-08-30 stsp remote->send_branches = NULL;
2331 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2332 6480c871 2021-08-30 stsp remote->fetch_refs = NULL;
2333 cd95becd 2019-11-29 stsp (*nremotes)++;
2334 cd95becd 2019-11-29 stsp break;
2335 cd95becd 2019-11-29 stsp default:
2336 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2337 cd95becd 2019-11-29 stsp break;
2338 cd95becd 2019-11-29 stsp }
2339 cd95becd 2019-11-29 stsp
2340 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2341 cd95becd 2019-11-29 stsp if (err)
2342 cd95becd 2019-11-29 stsp break;
2343 cd95becd 2019-11-29 stsp }
2344 cd95becd 2019-11-29 stsp
2345 cd95becd 2019-11-29 stsp if (err) {
2346 cd95becd 2019-11-29 stsp int i;
2347 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2348 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2349 cd95becd 2019-11-29 stsp free(*remotes);
2350 cd95becd 2019-11-29 stsp *remotes = NULL;
2351 cd95becd 2019-11-29 stsp *nremotes = 0;
2352 cd95becd 2019-11-29 stsp }
2353 aba9c984 2019-09-08 stsp return err;
2354 257add31 2020-09-09 stsp }
2355 257add31 2020-09-09 stsp
2356 257add31 2020-09-09 stsp const struct got_error *
2357 257add31 2020-09-09 stsp got_privsep_send_gotconfig_parse_req(struct imsgbuf *ibuf, int fd)
2358 257add31 2020-09-09 stsp {
2359 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2360 257add31 2020-09-09 stsp
2361 257add31 2020-09-09 stsp if (imsg_compose(ibuf, GOT_IMSG_GOTCONFIG_PARSE_REQUEST, 0, 0, fd,
2362 257add31 2020-09-09 stsp NULL, 0) == -1) {
2363 257add31 2020-09-09 stsp err = got_error_from_errno("imsg_compose "
2364 257add31 2020-09-09 stsp "GOTCONFIG_PARSE_REQUEST");
2365 257add31 2020-09-09 stsp close(fd);
2366 257add31 2020-09-09 stsp return err;
2367 257add31 2020-09-09 stsp }
2368 257add31 2020-09-09 stsp
2369 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2370 257add31 2020-09-09 stsp }
2371 257add31 2020-09-09 stsp
2372 257add31 2020-09-09 stsp const struct got_error *
2373 257add31 2020-09-09 stsp got_privsep_send_gotconfig_author_req(struct imsgbuf *ibuf)
2374 257add31 2020-09-09 stsp {
2375 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2376 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_AUTHOR_REQUEST, 0, 0, -1, NULL, 0) == -1)
2377 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2378 257add31 2020-09-09 stsp "GOTCONFIG_AUTHOR_REQUEST");
2379 257add31 2020-09-09 stsp
2380 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2381 ca6e02ac 2020-01-07 stsp }
2382 ca6e02ac 2020-01-07 stsp
2383 ca6e02ac 2020-01-07 stsp const struct got_error *
2384 257add31 2020-09-09 stsp got_privsep_send_gotconfig_remotes_req(struct imsgbuf *ibuf)
2385 257add31 2020-09-09 stsp {
2386 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2387 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2388 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2389 257add31 2020-09-09 stsp "GOTCONFIG_REMOTE_REQUEST");
2390 257add31 2020-09-09 stsp
2391 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2392 257add31 2020-09-09 stsp }
2393 257add31 2020-09-09 stsp
2394 257add31 2020-09-09 stsp const struct got_error *
2395 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_str(char **str, struct imsgbuf *ibuf)
2396 257add31 2020-09-09 stsp {
2397 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2398 257add31 2020-09-09 stsp struct imsg imsg;
2399 257add31 2020-09-09 stsp size_t datalen;
2400 257add31 2020-09-09 stsp const size_t min_datalen = 0;
2401 257add31 2020-09-09 stsp
2402 257add31 2020-09-09 stsp *str = NULL;
2403 257add31 2020-09-09 stsp
2404 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2405 257add31 2020-09-09 stsp if (err)
2406 257add31 2020-09-09 stsp return err;
2407 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2408 257add31 2020-09-09 stsp
2409 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2410 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2411 257add31 2020-09-09 stsp if (datalen < sizeof(struct got_imsg_error)) {
2412 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2413 257add31 2020-09-09 stsp break;
2414 257add31 2020-09-09 stsp }
2415 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2416 257add31 2020-09-09 stsp break;
2417 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_STR_VAL:
2418 257add31 2020-09-09 stsp if (datalen == 0)
2419 257add31 2020-09-09 stsp break;
2420 5874ea87 2020-09-18 stsp /* datalen does not include terminating \0 */
2421 5874ea87 2020-09-18 stsp *str = malloc(datalen + 1);
2422 257add31 2020-09-09 stsp if (*str == NULL) {
2423 257add31 2020-09-09 stsp err = got_error_from_errno("malloc");
2424 257add31 2020-09-09 stsp break;
2425 257add31 2020-09-09 stsp }
2426 5874ea87 2020-09-18 stsp memcpy(*str, imsg.data, datalen);
2427 5874ea87 2020-09-18 stsp (*str)[datalen] = '\0';
2428 257add31 2020-09-09 stsp break;
2429 257add31 2020-09-09 stsp default:
2430 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2431 257add31 2020-09-09 stsp break;
2432 257add31 2020-09-09 stsp }
2433 257add31 2020-09-09 stsp
2434 257add31 2020-09-09 stsp imsg_free(&imsg);
2435 257add31 2020-09-09 stsp return err;
2436 257add31 2020-09-09 stsp }
2437 257add31 2020-09-09 stsp
2438 257add31 2020-09-09 stsp const struct got_error *
2439 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_remotes(struct got_remote_repo **remotes,
2440 257add31 2020-09-09 stsp int *nremotes, struct imsgbuf *ibuf)
2441 257add31 2020-09-09 stsp {
2442 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2443 257add31 2020-09-09 stsp struct imsg imsg;
2444 257add31 2020-09-09 stsp size_t datalen;
2445 257add31 2020-09-09 stsp struct got_imsg_remotes iremotes;
2446 257add31 2020-09-09 stsp struct got_imsg_remote iremote;
2447 257add31 2020-09-09 stsp const size_t min_datalen =
2448 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremotes));
2449 257add31 2020-09-09 stsp
2450 257add31 2020-09-09 stsp *remotes = NULL;
2451 257add31 2020-09-09 stsp *nremotes = 0;
2452 257add31 2020-09-09 stsp iremotes.nremotes = 0;
2453 257add31 2020-09-09 stsp
2454 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2455 257add31 2020-09-09 stsp if (err)
2456 257add31 2020-09-09 stsp return err;
2457 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2458 257add31 2020-09-09 stsp
2459 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2460 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2461 257add31 2020-09-09 stsp if (datalen < sizeof(struct got_imsg_error)) {
2462 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2463 257add31 2020-09-09 stsp break;
2464 257add31 2020-09-09 stsp }
2465 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2466 257add31 2020-09-09 stsp break;
2467 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTES:
2468 257add31 2020-09-09 stsp if (datalen != sizeof(iremotes)) {
2469 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2470 257add31 2020-09-09 stsp break;
2471 257add31 2020-09-09 stsp }
2472 257add31 2020-09-09 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2473 257add31 2020-09-09 stsp if (iremotes.nremotes == 0) {
2474 257add31 2020-09-09 stsp imsg_free(&imsg);
2475 257add31 2020-09-09 stsp return NULL;
2476 257add31 2020-09-09 stsp }
2477 257add31 2020-09-09 stsp break;
2478 257add31 2020-09-09 stsp default:
2479 257add31 2020-09-09 stsp imsg_free(&imsg);
2480 257add31 2020-09-09 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2481 257add31 2020-09-09 stsp }
2482 257add31 2020-09-09 stsp
2483 257add31 2020-09-09 stsp imsg_free(&imsg);
2484 257add31 2020-09-09 stsp
2485 257add31 2020-09-09 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2486 257add31 2020-09-09 stsp if (*remotes == NULL)
2487 257add31 2020-09-09 stsp return got_error_from_errno("recallocarray");
2488 257add31 2020-09-09 stsp
2489 257add31 2020-09-09 stsp while (*nremotes < iremotes.nremotes) {
2490 257add31 2020-09-09 stsp struct got_remote_repo *remote;
2491 257add31 2020-09-09 stsp const size_t min_datalen =
2492 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremote));
2493 b8adfa55 2020-09-25 stsp int i;
2494 257add31 2020-09-09 stsp
2495 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2496 257add31 2020-09-09 stsp if (err)
2497 257add31 2020-09-09 stsp break;
2498 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2499 257add31 2020-09-09 stsp
2500 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2501 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2502 257add31 2020-09-09 stsp if (datalen < sizeof(struct got_imsg_error)) {
2503 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2504 257add31 2020-09-09 stsp break;
2505 257add31 2020-09-09 stsp }
2506 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2507 257add31 2020-09-09 stsp break;
2508 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTE:
2509 257add31 2020-09-09 stsp remote = &(*remotes)[*nremotes];
2510 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2511 257add31 2020-09-09 stsp if (datalen < sizeof(iremote)) {
2512 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2513 257add31 2020-09-09 stsp break;
2514 257add31 2020-09-09 stsp }
2515 257add31 2020-09-09 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2516 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2517 6480c871 2021-08-30 stsp (iremote.fetch_url_len == 0 &&
2518 6480c871 2021-08-30 stsp iremote.send_url_len == 0) ||
2519 257add31 2020-09-09 stsp (sizeof(iremote) + iremote.name_len +
2520 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) >
2521 6480c871 2021-08-30 stsp datalen) {
2522 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2523 257add31 2020-09-09 stsp break;
2524 257add31 2020-09-09 stsp }
2525 257add31 2020-09-09 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2526 257add31 2020-09-09 stsp iremote.name_len);
2527 257add31 2020-09-09 stsp if (remote->name == NULL) {
2528 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2529 257add31 2020-09-09 stsp break;
2530 257add31 2020-09-09 stsp }
2531 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data +
2532 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len,
2533 6480c871 2021-08-30 stsp iremote.fetch_url_len);
2534 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2535 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2536 6480c871 2021-08-30 stsp free_remote_data(remote);
2537 6480c871 2021-08-30 stsp break;
2538 6480c871 2021-08-30 stsp }
2539 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data +
2540 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len +
2541 6480c871 2021-08-30 stsp iremote.fetch_url_len, iremote.send_url_len);
2542 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2543 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2544 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2545 257add31 2020-09-09 stsp break;
2546 257add31 2020-09-09 stsp }
2547 257add31 2020-09-09 stsp remote->mirror_references = iremote.mirror_references;
2548 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2549 6480c871 2021-08-30 stsp if (iremote.nfetch_branches > 0) {
2550 6480c871 2021-08-30 stsp remote->fetch_branches = recallocarray(NULL, 0,
2551 6480c871 2021-08-30 stsp iremote.nfetch_branches, sizeof(char *));
2552 6480c871 2021-08-30 stsp if (remote->fetch_branches == NULL) {
2553 b8adfa55 2020-09-25 stsp err = got_error_from_errno("calloc");
2554 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2555 b8adfa55 2020-09-25 stsp break;
2556 b8adfa55 2020-09-25 stsp }
2557 b8adfa55 2020-09-25 stsp }
2558 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2559 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_branches; i++) {
2560 b8adfa55 2020-09-25 stsp char *branch;
2561 b8adfa55 2020-09-25 stsp err = got_privsep_recv_gotconfig_str(&branch,
2562 b8adfa55 2020-09-25 stsp ibuf);
2563 b8adfa55 2020-09-25 stsp if (err) {
2564 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2565 b8adfa55 2020-09-25 stsp goto done;
2566 b8adfa55 2020-09-25 stsp }
2567 6480c871 2021-08-30 stsp remote->fetch_branches[i] = branch;
2568 6480c871 2021-08-30 stsp remote->nfetch_branches++;
2569 99495ddb 2021-01-10 stsp }
2570 6480c871 2021-08-30 stsp if (iremote.nsend_branches > 0) {
2571 6480c871 2021-08-30 stsp remote->send_branches = recallocarray(NULL, 0,
2572 6480c871 2021-08-30 stsp iremote.nsend_branches, sizeof(char *));
2573 6480c871 2021-08-30 stsp if (remote->send_branches == NULL) {
2574 99495ddb 2021-01-10 stsp err = got_error_from_errno("calloc");
2575 99495ddb 2021-01-10 stsp free_remote_data(remote);
2576 99495ddb 2021-01-10 stsp break;
2577 99495ddb 2021-01-10 stsp }
2578 b8adfa55 2020-09-25 stsp }
2579 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2580 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nsend_branches; i++) {
2581 6480c871 2021-08-30 stsp char *branch;
2582 6480c871 2021-08-30 stsp err = got_privsep_recv_gotconfig_str(&branch,
2583 6480c871 2021-08-30 stsp ibuf);
2584 6480c871 2021-08-30 stsp if (err) {
2585 6480c871 2021-08-30 stsp free_remote_data(remote);
2586 6480c871 2021-08-30 stsp goto done;
2587 6480c871 2021-08-30 stsp }
2588 6480c871 2021-08-30 stsp remote->send_branches[i] = branch;
2589 6480c871 2021-08-30 stsp remote->nsend_branches++;
2590 6480c871 2021-08-30 stsp }
2591 6480c871 2021-08-30 stsp if (iremote.nfetch_refs > 0) {
2592 6480c871 2021-08-30 stsp remote->fetch_refs = recallocarray(NULL, 0,
2593 6480c871 2021-08-30 stsp iremote.nfetch_refs, sizeof(char *));
2594 6480c871 2021-08-30 stsp if (remote->fetch_refs == NULL) {
2595 6480c871 2021-08-30 stsp err = got_error_from_errno("calloc");
2596 6480c871 2021-08-30 stsp free_remote_data(remote);
2597 6480c871 2021-08-30 stsp break;
2598 6480c871 2021-08-30 stsp }
2599 6480c871 2021-08-30 stsp }
2600 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2601 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_refs; i++) {
2602 99495ddb 2021-01-10 stsp char *ref;
2603 99495ddb 2021-01-10 stsp err = got_privsep_recv_gotconfig_str(&ref,
2604 99495ddb 2021-01-10 stsp ibuf);
2605 99495ddb 2021-01-10 stsp if (err) {
2606 99495ddb 2021-01-10 stsp free_remote_data(remote);
2607 99495ddb 2021-01-10 stsp goto done;
2608 99495ddb 2021-01-10 stsp }
2609 6480c871 2021-08-30 stsp remote->fetch_refs[i] = ref;
2610 6480c871 2021-08-30 stsp remote->nfetch_refs++;
2611 99495ddb 2021-01-10 stsp }
2612 257add31 2020-09-09 stsp (*nremotes)++;
2613 257add31 2020-09-09 stsp break;
2614 257add31 2020-09-09 stsp default:
2615 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2616 257add31 2020-09-09 stsp break;
2617 257add31 2020-09-09 stsp }
2618 257add31 2020-09-09 stsp
2619 257add31 2020-09-09 stsp imsg_free(&imsg);
2620 257add31 2020-09-09 stsp if (err)
2621 257add31 2020-09-09 stsp break;
2622 257add31 2020-09-09 stsp }
2623 b8adfa55 2020-09-25 stsp done:
2624 257add31 2020-09-09 stsp if (err) {
2625 257add31 2020-09-09 stsp int i;
2626 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2627 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2628 257add31 2020-09-09 stsp free(*remotes);
2629 257add31 2020-09-09 stsp *remotes = NULL;
2630 257add31 2020-09-09 stsp *nremotes = 0;
2631 257add31 2020-09-09 stsp }
2632 257add31 2020-09-09 stsp return err;
2633 257add31 2020-09-09 stsp }
2634 257add31 2020-09-09 stsp
2635 257add31 2020-09-09 stsp const struct got_error *
2636 ca6e02ac 2020-01-07 stsp got_privsep_send_commit_traversal_request(struct imsgbuf *ibuf,
2637 abc59930 2021-09-05 naddy struct got_object_id *id, int idx, const char *path)
2638 ca6e02ac 2020-01-07 stsp {
2639 ca6e02ac 2020-01-07 stsp struct ibuf *wbuf;
2640 ca6e02ac 2020-01-07 stsp size_t path_len = strlen(path) + 1;
2641 ca6e02ac 2020-01-07 stsp
2642 ca6e02ac 2020-01-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_COMMIT_TRAVERSAL_REQUEST, 0, 0,
2643 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_traversal_request) + path_len);
2644 ca6e02ac 2020-01-07 stsp if (wbuf == NULL)
2645 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
2646 ca6e02ac 2020-01-07 stsp "imsg_create COMMIT_TRAVERSAL_REQUEST");
2647 1453347d 2022-05-19 stsp if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1)
2648 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add "
2649 1453347d 2022-05-19 stsp "COMMIT_TRAVERSAL_REQUEST");
2650 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &idx, sizeof(idx)) == -1)
2651 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add "
2652 1453347d 2022-05-19 stsp "COMMIT_TRAVERSAL_REQUEST");
2653 1453347d 2022-05-19 stsp if (imsg_add(wbuf, path, path_len) == -1)
2654 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add "
2655 1453347d 2022-05-19 stsp "COMMIT_TRAVERSAL_REQUEST");
2656 ca6e02ac 2020-01-07 stsp
2657 ca6e02ac 2020-01-07 stsp wbuf->fd = -1;
2658 ca6e02ac 2020-01-07 stsp imsg_close(ibuf, wbuf);
2659 ca6e02ac 2020-01-07 stsp
2660 ca6e02ac 2020-01-07 stsp return flush_imsg(ibuf);
2661 ca6e02ac 2020-01-07 stsp }
2662 ca6e02ac 2020-01-07 stsp
2663 ca6e02ac 2020-01-07 stsp const struct got_error *
2664 ca6e02ac 2020-01-07 stsp got_privsep_recv_traversed_commits(struct got_commit_object **changed_commit,
2665 ca6e02ac 2020-01-07 stsp struct got_object_id **changed_commit_id,
2666 ca6e02ac 2020-01-07 stsp struct got_object_id_queue *commit_ids, struct imsgbuf *ibuf)
2667 ca6e02ac 2020-01-07 stsp {
2668 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
2669 ca6e02ac 2020-01-07 stsp struct imsg imsg;
2670 ca6e02ac 2020-01-07 stsp struct got_imsg_traversed_commits *icommits;
2671 ca6e02ac 2020-01-07 stsp size_t datalen;
2672 ca6e02ac 2020-01-07 stsp int i, done = 0;
2673 ca6e02ac 2020-01-07 stsp
2674 ca6e02ac 2020-01-07 stsp *changed_commit = NULL;
2675 ca6e02ac 2020-01-07 stsp *changed_commit_id = NULL;
2676 ca6e02ac 2020-01-07 stsp
2677 ca6e02ac 2020-01-07 stsp while (!done) {
2678 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2679 ca6e02ac 2020-01-07 stsp if (err)
2680 ca6e02ac 2020-01-07 stsp return err;
2681 ca6e02ac 2020-01-07 stsp
2682 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2683 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
2684 ca6e02ac 2020-01-07 stsp case GOT_IMSG_TRAVERSED_COMMITS:
2685 ca6e02ac 2020-01-07 stsp icommits = imsg.data;
2686 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommits) +
2687 ca6e02ac 2020-01-07 stsp icommits->ncommits * SHA1_DIGEST_LENGTH) {
2688 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2689 ca6e02ac 2020-01-07 stsp break;
2690 ca6e02ac 2020-01-07 stsp }
2691 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommits->ncommits; i++) {
2692 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
2693 ca6e02ac 2020-01-07 stsp uint8_t *sha1 = (uint8_t *)imsg.data +
2694 ca6e02ac 2020-01-07 stsp sizeof(*icommits) + i * SHA1_DIGEST_LENGTH;
2695 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
2696 ca6e02ac 2020-01-07 stsp if (err)
2697 ca6e02ac 2020-01-07 stsp break;
2698 d7b5a0e8 2022-04-20 stsp memcpy(qid->id.sha1, sha1, SHA1_DIGEST_LENGTH);
2699 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(commit_ids, qid, entry);
2700 ca6e02ac 2020-01-07 stsp
2701 ca6e02ac 2020-01-07 stsp /* The last commit may contain a change. */
2702 ca6e02ac 2020-01-07 stsp if (i == icommits->ncommits - 1) {
2703 ca6e02ac 2020-01-07 stsp *changed_commit_id =
2704 d7b5a0e8 2022-04-20 stsp got_object_id_dup(&qid->id);
2705 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2706 ca6e02ac 2020-01-07 stsp err = got_error_from_errno(
2707 ca6e02ac 2020-01-07 stsp "got_object_id_dup");
2708 ca6e02ac 2020-01-07 stsp break;
2709 ca6e02ac 2020-01-07 stsp }
2710 ca6e02ac 2020-01-07 stsp }
2711 ca6e02ac 2020-01-07 stsp }
2712 ca6e02ac 2020-01-07 stsp break;
2713 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
2714 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2715 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2716 ca6e02ac 2020-01-07 stsp break;
2717 ca6e02ac 2020-01-07 stsp }
2718 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(changed_commit, &imsg,
2719 ca6e02ac 2020-01-07 stsp datalen, ibuf);
2720 ca6e02ac 2020-01-07 stsp break;
2721 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT_TRAVERSAL_DONE:
2722 ca6e02ac 2020-01-07 stsp done = 1;
2723 ca6e02ac 2020-01-07 stsp break;
2724 ca6e02ac 2020-01-07 stsp default:
2725 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2726 ca6e02ac 2020-01-07 stsp break;
2727 ca6e02ac 2020-01-07 stsp }
2728 ca6e02ac 2020-01-07 stsp
2729 ca6e02ac 2020-01-07 stsp imsg_free(&imsg);
2730 ca6e02ac 2020-01-07 stsp if (err)
2731 ca6e02ac 2020-01-07 stsp break;
2732 ca6e02ac 2020-01-07 stsp }
2733 ca6e02ac 2020-01-07 stsp
2734 ca6e02ac 2020-01-07 stsp if (err)
2735 ca6e02ac 2020-01-07 stsp got_object_id_queue_free(commit_ids);
2736 ca6e02ac 2020-01-07 stsp return err;
2737 67fd6849 2022-02-13 stsp }
2738 67fd6849 2022-02-13 stsp
2739 67fd6849 2022-02-13 stsp const struct got_error *
2740 67fd6849 2022-02-13 stsp got_privsep_send_raw_delta_req(struct imsgbuf *ibuf, int idx,
2741 67fd6849 2022-02-13 stsp struct got_object_id *id)
2742 67fd6849 2022-02-13 stsp {
2743 67fd6849 2022-02-13 stsp struct got_imsg_raw_delta_request dreq;
2744 67fd6849 2022-02-13 stsp
2745 67fd6849 2022-02-13 stsp dreq.idx = idx;
2746 67fd6849 2022-02-13 stsp memcpy(dreq.id, id->sha1, SHA1_DIGEST_LENGTH);
2747 67fd6849 2022-02-13 stsp
2748 67fd6849 2022-02-13 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_DELTA_REQUEST, 0, 0, -1,
2749 67fd6849 2022-02-13 stsp &dreq, sizeof(dreq)) == -1)
2750 67fd6849 2022-02-13 stsp return got_error_from_errno("imsg_compose RAW_DELTA_REQUEST");
2751 67fd6849 2022-02-13 stsp
2752 67fd6849 2022-02-13 stsp return flush_imsg(ibuf);
2753 67fd6849 2022-02-13 stsp }
2754 67fd6849 2022-02-13 stsp
2755 67fd6849 2022-02-13 stsp const struct got_error *
2756 67fd6849 2022-02-13 stsp got_privsep_send_raw_delta_outfd(struct imsgbuf *ibuf, int fd)
2757 67fd6849 2022-02-13 stsp {
2758 67fd6849 2022-02-13 stsp return send_fd(ibuf, GOT_IMSG_RAW_DELTA_OUTFD, fd);
2759 67fd6849 2022-02-13 stsp }
2760 67fd6849 2022-02-13 stsp
2761 67fd6849 2022-02-13 stsp const struct got_error *
2762 67fd6849 2022-02-13 stsp got_privsep_send_raw_delta(struct imsgbuf *ibuf, uint64_t base_size,
2763 2d9e6abf 2022-05-04 stsp uint64_t result_size, off_t delta_size, off_t delta_compressed_size,
2764 2d9e6abf 2022-05-04 stsp off_t delta_offset, off_t delta_out_offset, struct got_object_id *base_id)
2765 67fd6849 2022-02-13 stsp {
2766 67fd6849 2022-02-13 stsp struct got_imsg_raw_delta idelta;
2767 67fd6849 2022-02-13 stsp int ret;
2768 67fd6849 2022-02-13 stsp
2769 67fd6849 2022-02-13 stsp idelta.base_size = base_size;
2770 67fd6849 2022-02-13 stsp idelta.result_size = result_size;
2771 67fd6849 2022-02-13 stsp idelta.delta_size = delta_size;
2772 2d9e6abf 2022-05-04 stsp idelta.delta_compressed_size = delta_compressed_size;
2773 67fd6849 2022-02-13 stsp idelta.delta_offset = delta_offset;
2774 67fd6849 2022-02-13 stsp idelta.delta_out_offset = delta_out_offset;
2775 67fd6849 2022-02-13 stsp memcpy(idelta.base_id, base_id->sha1, SHA1_DIGEST_LENGTH);
2776 67fd6849 2022-02-13 stsp
2777 67fd6849 2022-02-13 stsp ret = imsg_compose(ibuf, GOT_IMSG_RAW_DELTA, 0, 0, -1,
2778 67fd6849 2022-02-13 stsp &idelta, sizeof(idelta));
2779 67fd6849 2022-02-13 stsp if (ret == -1)
2780 67fd6849 2022-02-13 stsp return got_error_from_errno("imsg_compose RAW_DELTA");
2781 67fd6849 2022-02-13 stsp
2782 67fd6849 2022-02-13 stsp return flush_imsg(ibuf);
2783 ca6e02ac 2020-01-07 stsp }
2784 ca6e02ac 2020-01-07 stsp
2785 ca6e02ac 2020-01-07 stsp const struct got_error *
2786 67fd6849 2022-02-13 stsp got_privsep_recv_raw_delta(uint64_t *base_size, uint64_t *result_size,
2787 2d9e6abf 2022-05-04 stsp off_t *delta_size, off_t *delta_compressed_size, off_t *delta_offset,
2788 2d9e6abf 2022-05-04 stsp off_t *delta_out_offset, struct got_object_id **base_id, struct imsgbuf *ibuf)
2789 67fd6849 2022-02-13 stsp {
2790 67fd6849 2022-02-13 stsp const struct got_error *err = NULL;
2791 67fd6849 2022-02-13 stsp struct imsg imsg;
2792 67fd6849 2022-02-13 stsp struct got_imsg_raw_delta *delta;
2793 67fd6849 2022-02-13 stsp size_t datalen;
2794 67fd6849 2022-02-13 stsp
2795 67fd6849 2022-02-13 stsp *base_size = 0;
2796 67fd6849 2022-02-13 stsp *result_size = 0;
2797 67fd6849 2022-02-13 stsp *delta_size = 0;
2798 2d9e6abf 2022-05-04 stsp *delta_compressed_size = 0;
2799 67fd6849 2022-02-13 stsp *delta_offset = 0;
2800 67fd6849 2022-02-13 stsp *delta_out_offset = 0;
2801 67fd6849 2022-02-13 stsp *base_id = NULL;
2802 67fd6849 2022-02-13 stsp
2803 67fd6849 2022-02-13 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2804 67fd6849 2022-02-13 stsp if (err)
2805 67fd6849 2022-02-13 stsp return err;
2806 67fd6849 2022-02-13 stsp
2807 67fd6849 2022-02-13 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2808 67fd6849 2022-02-13 stsp
2809 67fd6849 2022-02-13 stsp switch (imsg.hdr.type) {
2810 67fd6849 2022-02-13 stsp case GOT_IMSG_RAW_DELTA:
2811 67fd6849 2022-02-13 stsp if (datalen != sizeof(*delta)) {
2812 67fd6849 2022-02-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2813 67fd6849 2022-02-13 stsp break;
2814 67fd6849 2022-02-13 stsp }
2815 67fd6849 2022-02-13 stsp delta = imsg.data;
2816 67fd6849 2022-02-13 stsp *base_size = delta->base_size;
2817 67fd6849 2022-02-13 stsp *result_size = delta->result_size;
2818 67fd6849 2022-02-13 stsp *delta_size = delta->delta_size;
2819 2d9e6abf 2022-05-04 stsp *delta_compressed_size = delta->delta_compressed_size;
2820 67fd6849 2022-02-13 stsp *delta_offset = delta->delta_offset;
2821 67fd6849 2022-02-13 stsp *delta_out_offset = delta->delta_out_offset;
2822 67fd6849 2022-02-13 stsp *base_id = calloc(1, sizeof(**base_id));
2823 67fd6849 2022-02-13 stsp if (*base_id == NULL) {
2824 67fd6849 2022-02-13 stsp err = got_error_from_errno("malloc");
2825 67fd6849 2022-02-13 stsp break;
2826 67fd6849 2022-02-13 stsp }
2827 67fd6849 2022-02-13 stsp memcpy((*base_id)->sha1, delta->base_id, SHA1_DIGEST_LENGTH);
2828 67fd6849 2022-02-13 stsp break;
2829 67fd6849 2022-02-13 stsp default:
2830 67fd6849 2022-02-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2831 67fd6849 2022-02-13 stsp break;
2832 67fd6849 2022-02-13 stsp }
2833 67fd6849 2022-02-13 stsp
2834 67fd6849 2022-02-13 stsp imsg_free(&imsg);
2835 67fd6849 2022-02-13 stsp
2836 67fd6849 2022-02-13 stsp if (err) {
2837 67fd6849 2022-02-13 stsp free(*base_id);
2838 67fd6849 2022-02-13 stsp *base_id = NULL;
2839 fae7e038 2022-05-07 stsp }
2840 fae7e038 2022-05-07 stsp return err;
2841 fae7e038 2022-05-07 stsp }
2842 fae7e038 2022-05-07 stsp
2843 fae7e038 2022-05-07 stsp const struct got_error *
2844 fae7e038 2022-05-07 stsp got_privsep_send_object_idlist(struct imsgbuf *ibuf,
2845 fae7e038 2022-05-07 stsp struct got_object_id **ids, size_t nids)
2846 fae7e038 2022-05-07 stsp {
2847 fae7e038 2022-05-07 stsp const struct got_error *err = NULL;
2848 fae7e038 2022-05-07 stsp struct got_imsg_object_idlist idlist;
2849 fae7e038 2022-05-07 stsp struct ibuf *wbuf;
2850 fae7e038 2022-05-07 stsp size_t i;
2851 fae7e038 2022-05-07 stsp
2852 fae7e038 2022-05-07 stsp if (nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS)
2853 fae7e038 2022-05-07 stsp return got_error(GOT_ERR_NO_SPACE);
2854 fae7e038 2022-05-07 stsp
2855 fae7e038 2022-05-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_OBJ_ID_LIST, 0, 0,
2856 fae7e038 2022-05-07 stsp sizeof(idlist) + nids * sizeof(**ids));
2857 fae7e038 2022-05-07 stsp if (wbuf == NULL) {
2858 fae7e038 2022-05-07 stsp err = got_error_from_errno("imsg_create OBJ_ID_LIST");
2859 fae7e038 2022-05-07 stsp return err;
2860 fae7e038 2022-05-07 stsp }
2861 fae7e038 2022-05-07 stsp
2862 fae7e038 2022-05-07 stsp idlist.nids = nids;
2863 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &idlist, sizeof(idlist)) == -1)
2864 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add OBJ_ID_LIST");
2865 fae7e038 2022-05-07 stsp
2866 fae7e038 2022-05-07 stsp for (i = 0; i < nids; i++) {
2867 fae7e038 2022-05-07 stsp struct got_object_id *id = ids[i];
2868 1453347d 2022-05-19 stsp if (imsg_add(wbuf, id, sizeof(*id)) == -1)
2869 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add OBJ_ID_LIST");
2870 fae7e038 2022-05-07 stsp }
2871 fae7e038 2022-05-07 stsp
2872 fae7e038 2022-05-07 stsp wbuf->fd = -1;
2873 fae7e038 2022-05-07 stsp imsg_close(ibuf, wbuf);
2874 fae7e038 2022-05-07 stsp
2875 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
2876 fae7e038 2022-05-07 stsp }
2877 fae7e038 2022-05-07 stsp
2878 fae7e038 2022-05-07 stsp const struct got_error *
2879 fae7e038 2022-05-07 stsp got_privsep_send_object_idlist_done(struct imsgbuf *ibuf)
2880 fae7e038 2022-05-07 stsp {
2881 fae7e038 2022-05-07 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJ_ID_LIST_DONE, 0, 0, -1, NULL, 0)
2882 fae7e038 2022-05-07 stsp == -1)
2883 fae7e038 2022-05-07 stsp return got_error_from_errno("imsg_compose OBJ_ID_LIST_DONE");
2884 fae7e038 2022-05-07 stsp
2885 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
2886 fae7e038 2022-05-07 stsp }
2887 fae7e038 2022-05-07 stsp
2888 fae7e038 2022-05-07 stsp const struct got_error *
2889 fae7e038 2022-05-07 stsp got_privsep_recv_object_idlist(int *done, struct got_object_id **ids,
2890 fae7e038 2022-05-07 stsp size_t *nids, struct imsgbuf *ibuf)
2891 fae7e038 2022-05-07 stsp {
2892 fae7e038 2022-05-07 stsp const struct got_error *err = NULL;
2893 fae7e038 2022-05-07 stsp struct imsg imsg;
2894 fae7e038 2022-05-07 stsp struct got_imsg_object_idlist *idlist;
2895 fae7e038 2022-05-07 stsp size_t datalen;
2896 fae7e038 2022-05-07 stsp
2897 fae7e038 2022-05-07 stsp *ids = NULL;
2898 fae7e038 2022-05-07 stsp *done = 0;
2899 fae7e038 2022-05-07 stsp *nids = 0;
2900 fae7e038 2022-05-07 stsp
2901 fae7e038 2022-05-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2902 fae7e038 2022-05-07 stsp if (err)
2903 fae7e038 2022-05-07 stsp return err;
2904 fae7e038 2022-05-07 stsp
2905 fae7e038 2022-05-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2906 fae7e038 2022-05-07 stsp switch (imsg.hdr.type) {
2907 fae7e038 2022-05-07 stsp case GOT_IMSG_OBJ_ID_LIST:
2908 fae7e038 2022-05-07 stsp if (datalen < sizeof(*idlist)) {
2909 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2910 fae7e038 2022-05-07 stsp break;
2911 fae7e038 2022-05-07 stsp }
2912 fae7e038 2022-05-07 stsp idlist = imsg.data;
2913 fae7e038 2022-05-07 stsp if (idlist->nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS) {
2914 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2915 fae7e038 2022-05-07 stsp break;
2916 fae7e038 2022-05-07 stsp }
2917 fae7e038 2022-05-07 stsp *nids = idlist->nids;
2918 fae7e038 2022-05-07 stsp *ids = calloc(*nids, sizeof(**ids));
2919 fae7e038 2022-05-07 stsp if (*ids == NULL) {
2920 fae7e038 2022-05-07 stsp err = got_error_from_errno("calloc");
2921 fae7e038 2022-05-07 stsp break;
2922 fae7e038 2022-05-07 stsp }
2923 fae7e038 2022-05-07 stsp memcpy(*ids, (uint8_t *)imsg.data + sizeof(idlist),
2924 fae7e038 2022-05-07 stsp *nids * sizeof(**ids));
2925 fae7e038 2022-05-07 stsp break;
2926 fae7e038 2022-05-07 stsp case GOT_IMSG_OBJ_ID_LIST_DONE:
2927 fae7e038 2022-05-07 stsp *done = 1;
2928 fae7e038 2022-05-07 stsp break;
2929 fae7e038 2022-05-07 stsp default:
2930 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2931 fae7e038 2022-05-07 stsp break;
2932 fae7e038 2022-05-07 stsp }
2933 fae7e038 2022-05-07 stsp
2934 fae7e038 2022-05-07 stsp imsg_free(&imsg);
2935 fae7e038 2022-05-07 stsp
2936 fae7e038 2022-05-07 stsp return err;
2937 fae7e038 2022-05-07 stsp }
2938 fae7e038 2022-05-07 stsp
2939 fae7e038 2022-05-07 stsp const struct got_error *
2940 fae7e038 2022-05-07 stsp got_privsep_send_delta_reuse_req(struct imsgbuf *ibuf)
2941 fae7e038 2022-05-07 stsp {
2942 fae7e038 2022-05-07 stsp if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_REQUEST, 0, 0, -1, NULL, 0)
2943 fae7e038 2022-05-07 stsp == -1)
2944 fae7e038 2022-05-07 stsp return got_error_from_errno("imsg_compose DELTA_REUSE_REQUEST");
2945 fae7e038 2022-05-07 stsp
2946 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
2947 fae7e038 2022-05-07 stsp }
2948 fae7e038 2022-05-07 stsp
2949 fae7e038 2022-05-07 stsp const struct got_error *
2950 fae7e038 2022-05-07 stsp got_privsep_send_reused_deltas(struct imsgbuf *ibuf,
2951 fae7e038 2022-05-07 stsp struct got_imsg_reused_delta *deltas, size_t ndeltas)
2952 fae7e038 2022-05-07 stsp {
2953 fae7e038 2022-05-07 stsp const struct got_error *err = NULL;
2954 fae7e038 2022-05-07 stsp struct ibuf *wbuf;
2955 fae7e038 2022-05-07 stsp struct got_imsg_reused_deltas ideltas;
2956 fae7e038 2022-05-07 stsp size_t i;
2957 fae7e038 2022-05-07 stsp
2958 fae7e038 2022-05-07 stsp if (ndeltas > GOT_IMSG_REUSED_DELTAS_MAX_NDELTAS)
2959 fae7e038 2022-05-07 stsp return got_error(GOT_ERR_NO_SPACE);
2960 fae7e038 2022-05-07 stsp
2961 fae7e038 2022-05-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_REUSED_DELTAS, 0, 0,
2962 fae7e038 2022-05-07 stsp sizeof(ideltas) + ndeltas * sizeof(*deltas));
2963 fae7e038 2022-05-07 stsp if (wbuf == NULL) {
2964 fae7e038 2022-05-07 stsp err = got_error_from_errno("imsg_create REUSED_DELTAS");
2965 fae7e038 2022-05-07 stsp return err;
2966 67fd6849 2022-02-13 stsp }
2967 fae7e038 2022-05-07 stsp
2968 fae7e038 2022-05-07 stsp ideltas.ndeltas = ndeltas;
2969 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &ideltas, sizeof(ideltas)) == -1)
2970 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add REUSED_DELTAS");
2971 fae7e038 2022-05-07 stsp
2972 fae7e038 2022-05-07 stsp for (i = 0; i < ndeltas; i++) {
2973 fae7e038 2022-05-07 stsp struct got_imsg_reused_delta *delta = &deltas[i];
2974 1453347d 2022-05-19 stsp if (imsg_add(wbuf, delta, sizeof(*delta)) == -1)
2975 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add REUSED_DELTAS");
2976 fae7e038 2022-05-07 stsp }
2977 fae7e038 2022-05-07 stsp
2978 fae7e038 2022-05-07 stsp wbuf->fd = -1;
2979 fae7e038 2022-05-07 stsp imsg_close(ibuf, wbuf);
2980 fae7e038 2022-05-07 stsp
2981 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
2982 fae7e038 2022-05-07 stsp }
2983 fae7e038 2022-05-07 stsp
2984 fae7e038 2022-05-07 stsp const struct got_error *
2985 fae7e038 2022-05-07 stsp got_privsep_send_reused_deltas_done(struct imsgbuf *ibuf)
2986 fae7e038 2022-05-07 stsp {
2987 fae7e038 2022-05-07 stsp if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_DONE, 0, 0, -1, NULL, 0)
2988 fae7e038 2022-05-07 stsp == -1)
2989 fae7e038 2022-05-07 stsp return got_error_from_errno("imsg_compose DELTA_REUSE_DONE");
2990 fae7e038 2022-05-07 stsp
2991 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
2992 fae7e038 2022-05-07 stsp }
2993 fae7e038 2022-05-07 stsp
2994 fae7e038 2022-05-07 stsp const struct got_error *
2995 fae7e038 2022-05-07 stsp got_privsep_recv_reused_deltas(int *done, struct got_imsg_reused_delta *deltas,
2996 fae7e038 2022-05-07 stsp size_t *ndeltas, struct imsgbuf *ibuf)
2997 fae7e038 2022-05-07 stsp {
2998 fae7e038 2022-05-07 stsp const struct got_error *err = NULL;
2999 fae7e038 2022-05-07 stsp struct imsg imsg;
3000 fae7e038 2022-05-07 stsp struct got_imsg_reused_deltas *ideltas;
3001 fae7e038 2022-05-07 stsp size_t datalen;
3002 fae7e038 2022-05-07 stsp
3003 fae7e038 2022-05-07 stsp *done = 0;
3004 fae7e038 2022-05-07 stsp *ndeltas = 0;
3005 fae7e038 2022-05-07 stsp
3006 fae7e038 2022-05-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3007 fae7e038 2022-05-07 stsp if (err)
3008 fae7e038 2022-05-07 stsp return err;
3009 fae7e038 2022-05-07 stsp
3010 fae7e038 2022-05-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3011 fae7e038 2022-05-07 stsp switch (imsg.hdr.type) {
3012 fae7e038 2022-05-07 stsp case GOT_IMSG_REUSED_DELTAS:
3013 fae7e038 2022-05-07 stsp if (datalen < sizeof(*ideltas)) {
3014 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
3015 fae7e038 2022-05-07 stsp break;
3016 fae7e038 2022-05-07 stsp }
3017 fae7e038 2022-05-07 stsp ideltas = imsg.data;
3018 fae7e038 2022-05-07 stsp if (ideltas->ndeltas > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS) {
3019 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
3020 fae7e038 2022-05-07 stsp break;
3021 fae7e038 2022-05-07 stsp }
3022 fae7e038 2022-05-07 stsp *ndeltas = ideltas->ndeltas;
3023 fae7e038 2022-05-07 stsp memcpy(deltas, (uint8_t *)imsg.data + sizeof(ideltas),
3024 fae7e038 2022-05-07 stsp *ndeltas * sizeof(*deltas));
3025 fae7e038 2022-05-07 stsp break;
3026 fae7e038 2022-05-07 stsp case GOT_IMSG_DELTA_REUSE_DONE:
3027 fae7e038 2022-05-07 stsp *done = 1;
3028 fae7e038 2022-05-07 stsp break;
3029 fae7e038 2022-05-07 stsp default:
3030 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
3031 fae7e038 2022-05-07 stsp break;
3032 fae7e038 2022-05-07 stsp }
3033 fae7e038 2022-05-07 stsp
3034 fae7e038 2022-05-07 stsp imsg_free(&imsg);
3035 fae7e038 2022-05-07 stsp
3036 67fd6849 2022-02-13 stsp return err;
3037 67fd6849 2022-02-13 stsp }
3038 67fd6849 2022-02-13 stsp
3039 67fd6849 2022-02-13 stsp const struct got_error *
3040 63219cd2 2019-01-04 stsp got_privsep_unveil_exec_helpers(void)
3041 63219cd2 2019-01-04 stsp {
3042 c39c25dd 2019-08-09 stsp const char *helpers[] = {
3043 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_PACK,
3044 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_OBJECT,
3045 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_COMMIT,
3046 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TREE,
3047 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_BLOB,
3048 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TAG,
3049 aba9c984 2019-09-08 stsp GOT_PATH_PROG_READ_GITCONFIG,
3050 257add31 2020-09-09 stsp GOT_PATH_PROG_READ_GOTCONFIG,
3051 e9ce266e 2022-03-07 op GOT_PATH_PROG_READ_PATCH,
3052 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_FETCH_PACK,
3053 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_INDEX_PACK,
3054 f8a36e22 2021-08-26 stsp GOT_PATH_PROG_SEND_PACK,
3055 c39c25dd 2019-08-09 stsp };
3056 16aeacf7 2020-11-26 stsp size_t i;
3057 63219cd2 2019-01-04 stsp
3058 c39c25dd 2019-08-09 stsp for (i = 0; i < nitems(helpers); i++) {
3059 c39c25dd 2019-08-09 stsp if (unveil(helpers[i], "x") == 0)
3060 c39c25dd 2019-08-09 stsp continue;
3061 c39c25dd 2019-08-09 stsp return got_error_from_errno2("unveil", helpers[i]);
3062 c39c25dd 2019-08-09 stsp }
3063 c39c25dd 2019-08-09 stsp
3064 63219cd2 2019-01-04 stsp return NULL;
3065 876c234b 2018-09-10 stsp }
3066 aba9c984 2019-09-08 stsp
3067 aba9c984 2019-09-08 stsp void
3068 aba9c984 2019-09-08 stsp got_privsep_exec_child(int imsg_fds[2], const char *path, const char *repo_path)
3069 aba9c984 2019-09-08 stsp {
3070 08578a35 2021-01-22 stsp if (close(imsg_fds[0]) == -1) {
3071 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3072 aba9c984 2019-09-08 stsp _exit(1);
3073 aba9c984 2019-09-08 stsp }
3074 aba9c984 2019-09-08 stsp
3075 aba9c984 2019-09-08 stsp if (dup2(imsg_fds[1], GOT_IMSG_FD_CHILD) == -1) {
3076 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3077 aba9c984 2019-09-08 stsp _exit(1);
3078 aba9c984 2019-09-08 stsp }
3079 aba9c984 2019-09-08 stsp
3080 4a55b231 2021-12-09 stsp closefrom(GOT_IMSG_FD_CHILD + 1);
3081 4a55b231 2021-12-09 stsp
3082 aba9c984 2019-09-08 stsp if (execl(path, path, repo_path, (char *)NULL) == -1) {
3083 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s: %s\n", getprogname(), path,
3084 aba9c984 2019-09-08 stsp strerror(errno));
3085 aba9c984 2019-09-08 stsp _exit(1);
3086 aba9c984 2019-09-08 stsp }
3087 aba9c984 2019-09-08 stsp }