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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 c9b75c7b 2022-05-19 stsp err = poll_fd(ibuf->fd, POLLIN, INFTIM);
98 c9b75c7b 2022-05-19 stsp if (err)
99 c9b75c7b 2022-05-19 stsp return err;
100 fe36cf76 2018-04-23 stsp
101 fe36cf76 2018-04-23 stsp n = imsg_read(ibuf);
102 fe36cf76 2018-04-23 stsp if (n == -1) {
103 fe36cf76 2018-04-23 stsp if (errno == EAGAIN) /* Could be a file-descriptor leak. */
104 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_NO_FD);
105 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_READ);
106 fe36cf76 2018-04-23 stsp }
107 fe36cf76 2018-04-23 stsp if (n == 0)
108 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_PIPE);
109 fe36cf76 2018-04-23 stsp
110 e033d803 2018-04-23 stsp return NULL;
111 e033d803 2018-04-23 stsp }
112 e033d803 2018-04-23 stsp
113 ad242220 2018-09-08 stsp const struct got_error *
114 876c234b 2018-09-10 stsp got_privsep_wait_for_child(pid_t pid)
115 876c234b 2018-09-10 stsp {
116 876c234b 2018-09-10 stsp int child_status;
117 876c234b 2018-09-10 stsp
118 2cb49fa8 2019-05-10 stsp if (waitpid(pid, &child_status, 0) == -1)
119 638f9024 2019-05-13 stsp return got_error_from_errno("waitpid");
120 876c234b 2018-09-10 stsp
121 876c234b 2018-09-10 stsp if (!WIFEXITED(child_status))
122 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_DIED);
123 876c234b 2018-09-10 stsp
124 876c234b 2018-09-10 stsp if (WEXITSTATUS(child_status) != 0)
125 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_EXIT);
126 876c234b 2018-09-10 stsp
127 876c234b 2018-09-10 stsp return NULL;
128 876c234b 2018-09-10 stsp }
129 876c234b 2018-09-10 stsp
130 73b7854a 2018-11-11 stsp static const struct got_error *
131 73b7854a 2018-11-11 stsp recv_imsg_error(struct imsg *imsg, size_t datalen)
132 73b7854a 2018-11-11 stsp {
133 73b7854a 2018-11-11 stsp struct got_imsg_error *ierr;
134 73b7854a 2018-11-11 stsp
135 73b7854a 2018-11-11 stsp if (datalen != sizeof(*ierr))
136 73b7854a 2018-11-11 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
137 73b7854a 2018-11-11 stsp
138 73b7854a 2018-11-11 stsp ierr = imsg->data;
139 73b7854a 2018-11-11 stsp if (ierr->code == GOT_ERR_ERRNO) {
140 73b7854a 2018-11-11 stsp static struct got_error serr;
141 73b7854a 2018-11-11 stsp serr.code = GOT_ERR_ERRNO;
142 73b7854a 2018-11-11 stsp serr.msg = strerror(ierr->errno_code);
143 73b7854a 2018-11-11 stsp return &serr;
144 73b7854a 2018-11-11 stsp }
145 73b7854a 2018-11-11 stsp
146 73b7854a 2018-11-11 stsp return got_error(ierr->code);
147 73b7854a 2018-11-11 stsp }
148 73b7854a 2018-11-11 stsp
149 876c234b 2018-09-10 stsp const struct got_error *
150 46de5bfd 2018-11-11 stsp got_privsep_recv_imsg(struct imsg *imsg, struct imsgbuf *ibuf,
151 46de5bfd 2018-11-11 stsp size_t min_datalen)
152 e033d803 2018-04-23 stsp {
153 e033d803 2018-04-23 stsp const struct got_error *err;
154 e033d803 2018-04-23 stsp ssize_t n;
155 e033d803 2018-04-23 stsp
156 e033d803 2018-04-23 stsp n = imsg_get(ibuf, imsg);
157 876c234b 2018-09-10 stsp if (n == -1)
158 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_get");
159 876c234b 2018-09-10 stsp
160 876c234b 2018-09-10 stsp while (n == 0) {
161 876c234b 2018-09-10 stsp err = read_imsg(ibuf);
162 876c234b 2018-09-10 stsp if (err)
163 876c234b 2018-09-10 stsp return err;
164 876c234b 2018-09-10 stsp n = imsg_get(ibuf, imsg);
165 cbfaaf20 2020-01-06 stsp if (n == -1)
166 cbfaaf20 2020-01-06 stsp return got_error_from_errno("imsg_get");
167 876c234b 2018-09-10 stsp }
168 fe36cf76 2018-04-23 stsp
169 fe36cf76 2018-04-23 stsp if (imsg->hdr.len < IMSG_HEADER_SIZE + min_datalen)
170 c4eae628 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
171 c4eae628 2018-04-23 stsp
172 73b7854a 2018-11-11 stsp if (imsg->hdr.type == GOT_IMSG_ERROR) {
173 73b7854a 2018-11-11 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
174 73b7854a 2018-11-11 stsp return recv_imsg_error(imsg, datalen);
175 c4eae628 2018-04-23 stsp }
176 c4eae628 2018-04-23 stsp
177 73b7854a 2018-11-11 stsp return NULL;
178 c4eae628 2018-04-23 stsp }
179 c4eae628 2018-04-23 stsp
180 2178c42e 2018-04-22 stsp /* Attempt to send an error in an imsg. Complain on stderr as a last resort. */
181 2178c42e 2018-04-22 stsp void
182 2178c42e 2018-04-22 stsp got_privsep_send_error(struct imsgbuf *ibuf, const struct got_error *err)
183 2178c42e 2018-04-22 stsp {
184 2178c42e 2018-04-22 stsp const struct got_error *poll_err;
185 2178c42e 2018-04-22 stsp struct got_imsg_error ierr;
186 2178c42e 2018-04-22 stsp int ret;
187 2178c42e 2018-04-22 stsp
188 2178c42e 2018-04-22 stsp ierr.code = err->code;
189 2178c42e 2018-04-22 stsp if (err->code == GOT_ERR_ERRNO)
190 2178c42e 2018-04-22 stsp ierr.errno_code = errno;
191 2178c42e 2018-04-22 stsp else
192 2178c42e 2018-04-22 stsp ierr.errno_code = 0;
193 2178c42e 2018-04-22 stsp ret = imsg_compose(ibuf, GOT_IMSG_ERROR, 0, 0, -1, &ierr, sizeof(ierr));
194 e93cd828 2018-11-11 stsp if (ret == -1) {
195 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_compose: %s\n",
196 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
197 5d43e84d 2018-04-23 stsp return;
198 2178c42e 2018-04-22 stsp }
199 2178c42e 2018-04-22 stsp
200 2178c42e 2018-04-22 stsp poll_err = poll_fd(ibuf->fd, POLLOUT, INFTIM);
201 5d43e84d 2018-04-23 stsp if (poll_err) {
202 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": poll: %s\n",
203 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, poll_err->msg);
204 5d43e84d 2018-04-23 stsp return;
205 5d43e84d 2018-04-23 stsp }
206 2178c42e 2018-04-22 stsp
207 2178c42e 2018-04-22 stsp ret = imsg_flush(ibuf);
208 5d43e84d 2018-04-23 stsp if (ret == -1) {
209 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_flush: %s\n",
210 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
211 8934ea8b 2022-02-14 op imsg_clear(ibuf);
212 5d43e84d 2018-04-23 stsp return;
213 5d43e84d 2018-04-23 stsp }
214 e033d803 2018-04-23 stsp }
215 e033d803 2018-04-23 stsp
216 e033d803 2018-04-23 stsp static const struct got_error *
217 e033d803 2018-04-23 stsp flush_imsg(struct imsgbuf *ibuf)
218 e033d803 2018-04-23 stsp {
219 e033d803 2018-04-23 stsp const struct got_error *err;
220 e033d803 2018-04-23 stsp
221 e033d803 2018-04-23 stsp err = poll_fd(ibuf->fd, POLLOUT, INFTIM);
222 e033d803 2018-04-23 stsp if (err)
223 e033d803 2018-04-23 stsp return err;
224 e033d803 2018-04-23 stsp
225 8934ea8b 2022-02-14 op if (imsg_flush(ibuf) == -1) {
226 8934ea8b 2022-02-14 op imsg_clear(ibuf);
227 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_flush");
228 8934ea8b 2022-02-14 op }
229 e033d803 2018-04-23 stsp
230 e033d803 2018-04-23 stsp return NULL;
231 ad242220 2018-09-08 stsp }
232 ad242220 2018-09-08 stsp
233 ad242220 2018-09-08 stsp const struct got_error *
234 e70bf110 2020-03-22 stsp got_privsep_flush_imsg(struct imsgbuf *ibuf)
235 e70bf110 2020-03-22 stsp {
236 e70bf110 2020-03-22 stsp return flush_imsg(ibuf);
237 e70bf110 2020-03-22 stsp }
238 e70bf110 2020-03-22 stsp
239 e70bf110 2020-03-22 stsp const struct got_error *
240 ad242220 2018-09-08 stsp got_privsep_send_stop(int fd)
241 ad242220 2018-09-08 stsp {
242 ad242220 2018-09-08 stsp const struct got_error *err = NULL;
243 ad242220 2018-09-08 stsp struct imsgbuf ibuf;
244 ad242220 2018-09-08 stsp
245 ad242220 2018-09-08 stsp imsg_init(&ibuf, fd);
246 ad242220 2018-09-08 stsp
247 ad242220 2018-09-08 stsp if (imsg_compose(&ibuf, GOT_IMSG_STOP, 0, 0, -1, NULL, 0) == -1)
248 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose STOP");
249 ad242220 2018-09-08 stsp
250 ad242220 2018-09-08 stsp err = flush_imsg(&ibuf);
251 ad242220 2018-09-08 stsp return err;
252 7762fe12 2018-11-05 stsp }
253 93658fb9 2020-03-18 stsp
254 93658fb9 2020-03-18 stsp const struct got_error *
255 d5c81d44 2021-07-08 stsp got_privsep_send_obj_req(struct imsgbuf *ibuf, int fd,
256 d5c81d44 2021-07-08 stsp struct got_object_id *id)
257 ad242220 2018-09-08 stsp {
258 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT_REQUEST, 0, 0, fd,
259 d5c81d44 2021-07-08 stsp id, sizeof(*id)) == -1)
260 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT_REQUEST");
261 59d1e4a0 2021-03-10 stsp
262 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
263 59d1e4a0 2021-03-10 stsp }
264 59d1e4a0 2021-03-10 stsp
265 59d1e4a0 2021-03-10 stsp const struct got_error *
266 d5c81d44 2021-07-08 stsp got_privsep_send_raw_obj_req(struct imsgbuf *ibuf, int fd,
267 d5c81d44 2021-07-08 stsp struct got_object_id *id)
268 59d1e4a0 2021-03-10 stsp {
269 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_OBJECT_REQUEST, 0, 0, fd,
270 d5c81d44 2021-07-08 stsp id, sizeof(*id)) == -1)
271 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose RAW_OBJECT_REQUEST");
272 59d1e4a0 2021-03-10 stsp
273 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
274 59d1e4a0 2021-03-10 stsp }
275 59d1e4a0 2021-03-10 stsp
276 59d1e4a0 2021-03-10 stsp const struct got_error *
277 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj_outfd(struct imsgbuf *ibuf, int outfd)
278 59d1e4a0 2021-03-10 stsp {
279 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
280 59d1e4a0 2021-03-10 stsp
281 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_OBJECT_OUTFD, 0, 0, outfd, NULL, 0)
282 59d1e4a0 2021-03-10 stsp == -1) {
283 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_compose RAW_OBJECT_OUTFD");
284 59d1e4a0 2021-03-10 stsp close(outfd);
285 59d1e4a0 2021-03-10 stsp return err;
286 59d1e4a0 2021-03-10 stsp }
287 59d1e4a0 2021-03-10 stsp
288 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
289 59d1e4a0 2021-03-10 stsp }
290 59d1e4a0 2021-03-10 stsp
291 59d1e4a0 2021-03-10 stsp const struct got_error *
292 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj(struct imsgbuf *ibuf, off_t size, size_t hdrlen,
293 59d1e4a0 2021-03-10 stsp uint8_t *data)
294 59d1e4a0 2021-03-10 stsp {
295 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
296 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj iobj;
297 59d1e4a0 2021-03-10 stsp size_t len = sizeof(iobj);
298 59d1e4a0 2021-03-10 stsp struct ibuf *wbuf;
299 1785f84a 2018-12-23 stsp
300 59d1e4a0 2021-03-10 stsp iobj.hdrlen = hdrlen;
301 59d1e4a0 2021-03-10 stsp iobj.size = size;
302 59d1e4a0 2021-03-10 stsp
303 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX)
304 a8591711 2021-06-18 stsp len += (size_t)size + hdrlen;
305 59d1e4a0 2021-03-10 stsp
306 59d1e4a0 2021-03-10 stsp wbuf = imsg_create(ibuf, GOT_IMSG_RAW_OBJECT, 0, 0, len);
307 59d1e4a0 2021-03-10 stsp if (wbuf == NULL) {
308 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_create RAW_OBJECT");
309 59d1e4a0 2021-03-10 stsp return err;
310 59d1e4a0 2021-03-10 stsp }
311 59d1e4a0 2021-03-10 stsp
312 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &iobj, sizeof(iobj)) == -1)
313 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add RAW_OBJECT");
314 59d1e4a0 2021-03-10 stsp
315 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
316 1453347d 2022-05-19 stsp if (imsg_add(wbuf, data, size + hdrlen) == -1)
317 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add RAW_OBJECT");
318 59d1e4a0 2021-03-10 stsp }
319 59d1e4a0 2021-03-10 stsp
320 59d1e4a0 2021-03-10 stsp wbuf->fd = -1;
321 59d1e4a0 2021-03-10 stsp imsg_close(ibuf, wbuf);
322 59d1e4a0 2021-03-10 stsp
323 1785f84a 2018-12-23 stsp return flush_imsg(ibuf);
324 1785f84a 2018-12-23 stsp }
325 1785f84a 2018-12-23 stsp
326 1785f84a 2018-12-23 stsp const struct got_error *
327 59d1e4a0 2021-03-10 stsp got_privsep_recv_raw_obj(uint8_t **outbuf, off_t *size, size_t *hdrlen,
328 59d1e4a0 2021-03-10 stsp struct imsgbuf *ibuf)
329 59d1e4a0 2021-03-10 stsp {
330 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
331 59d1e4a0 2021-03-10 stsp struct imsg imsg;
332 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj *iobj;
333 59d1e4a0 2021-03-10 stsp size_t datalen;
334 59d1e4a0 2021-03-10 stsp
335 59d1e4a0 2021-03-10 stsp *outbuf = NULL;
336 59d1e4a0 2021-03-10 stsp
337 59d1e4a0 2021-03-10 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
338 59d1e4a0 2021-03-10 stsp if (err)
339 59d1e4a0 2021-03-10 stsp return err;
340 59d1e4a0 2021-03-10 stsp
341 59d1e4a0 2021-03-10 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
342 59d1e4a0 2021-03-10 stsp
343 59d1e4a0 2021-03-10 stsp switch (imsg.hdr.type) {
344 59d1e4a0 2021-03-10 stsp case GOT_IMSG_RAW_OBJECT:
345 59d1e4a0 2021-03-10 stsp if (datalen < sizeof(*iobj)) {
346 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
347 59d1e4a0 2021-03-10 stsp break;
348 59d1e4a0 2021-03-10 stsp }
349 59d1e4a0 2021-03-10 stsp iobj = imsg.data;
350 59d1e4a0 2021-03-10 stsp *size = iobj->size;
351 59d1e4a0 2021-03-10 stsp *hdrlen = iobj->hdrlen;
352 59d1e4a0 2021-03-10 stsp
353 59d1e4a0 2021-03-10 stsp if (datalen == sizeof(*iobj)) {
354 59d1e4a0 2021-03-10 stsp /* Data has been written to file descriptor. */
355 59d1e4a0 2021-03-10 stsp break;
356 59d1e4a0 2021-03-10 stsp }
357 59d1e4a0 2021-03-10 stsp
358 a8591711 2021-06-18 stsp if (*size + *hdrlen > GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
359 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
360 59d1e4a0 2021-03-10 stsp break;
361 59d1e4a0 2021-03-10 stsp }
362 59d1e4a0 2021-03-10 stsp
363 a8591711 2021-06-18 stsp *outbuf = malloc(*size + *hdrlen);
364 59d1e4a0 2021-03-10 stsp if (*outbuf == NULL) {
365 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("malloc");
366 59d1e4a0 2021-03-10 stsp break;
367 59d1e4a0 2021-03-10 stsp }
368 a8591711 2021-06-18 stsp memcpy(*outbuf, imsg.data + sizeof(*iobj), *size + *hdrlen);
369 59d1e4a0 2021-03-10 stsp break;
370 59d1e4a0 2021-03-10 stsp default:
371 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
372 59d1e4a0 2021-03-10 stsp break;
373 59d1e4a0 2021-03-10 stsp }
374 59d1e4a0 2021-03-10 stsp
375 59d1e4a0 2021-03-10 stsp imsg_free(&imsg);
376 59d1e4a0 2021-03-10 stsp
377 59d1e4a0 2021-03-10 stsp return err;
378 59d1e4a0 2021-03-10 stsp }
379 59d1e4a0 2021-03-10 stsp
380 59d1e4a0 2021-03-10 stsp const struct got_error *
381 1785f84a 2018-12-23 stsp got_privsep_send_commit_req(struct imsgbuf *ibuf, int fd,
382 1785f84a 2018-12-23 stsp struct got_object_id *id, int pack_idx)
383 1785f84a 2018-12-23 stsp {
384 41496140 2019-02-21 stsp const struct got_error *err = NULL;
385 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
386 d5c81d44 2021-07-08 stsp void *data;
387 1785f84a 2018-12-23 stsp size_t len;
388 1785f84a 2018-12-23 stsp
389 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* commit is packed */
390 1785f84a 2018-12-23 stsp iobj.idx = pack_idx;
391 1785f84a 2018-12-23 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
392 d5c81d44 2021-07-08 stsp data = &iobj;
393 1785f84a 2018-12-23 stsp len = sizeof(iobj);
394 1785f84a 2018-12-23 stsp } else {
395 d5c81d44 2021-07-08 stsp data = id;
396 d5c81d44 2021-07-08 stsp len = sizeof(*id);
397 1785f84a 2018-12-23 stsp }
398 1785f84a 2018-12-23 stsp
399 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_REQUEST, 0, 0, fd, data, len)
400 41496140 2019-02-21 stsp == -1) {
401 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT_REQUEST");
402 41496140 2019-02-21 stsp close(fd);
403 41496140 2019-02-21 stsp return err;
404 41496140 2019-02-21 stsp }
405 13c729f7 2018-12-24 stsp
406 13c729f7 2018-12-24 stsp return flush_imsg(ibuf);
407 13c729f7 2018-12-24 stsp }
408 13c729f7 2018-12-24 stsp
409 13c729f7 2018-12-24 stsp const struct got_error *
410 13c729f7 2018-12-24 stsp got_privsep_send_tree_req(struct imsgbuf *ibuf, int fd,
411 13c729f7 2018-12-24 stsp struct got_object_id *id, int pack_idx)
412 13c729f7 2018-12-24 stsp {
413 7f358e3b 2019-11-23 stsp struct ibuf *wbuf;
414 d5c81d44 2021-07-08 stsp size_t len;
415 7f358e3b 2019-11-23 stsp
416 d5c81d44 2021-07-08 stsp if (pack_idx != -1)
417 d5c81d44 2021-07-08 stsp len = sizeof(struct got_imsg_packed_object);
418 d5c81d44 2021-07-08 stsp else
419 d5c81d44 2021-07-08 stsp len = sizeof(*id);
420 d5c81d44 2021-07-08 stsp
421 7f358e3b 2019-11-23 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_REQUEST, 0, 0, len);
422 7f358e3b 2019-11-23 stsp if (wbuf == NULL)
423 7f358e3b 2019-11-23 stsp return got_error_from_errno("imsg_create TREE_REQUEST");
424 13c729f7 2018-12-24 stsp
425 1453347d 2022-05-19 stsp if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1)
426 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_REQUEST");
427 13c729f7 2018-12-24 stsp
428 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tree is packed */
429 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &pack_idx, sizeof(pack_idx)) == -1)
430 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_REQUEST");
431 41496140 2019-02-21 stsp }
432 268f7291 2018-12-24 stsp
433 7f358e3b 2019-11-23 stsp wbuf->fd = fd;
434 7f358e3b 2019-11-23 stsp imsg_close(ibuf, wbuf);
435 7f358e3b 2019-11-23 stsp
436 268f7291 2018-12-24 stsp return flush_imsg(ibuf);
437 268f7291 2018-12-24 stsp }
438 268f7291 2018-12-24 stsp
439 268f7291 2018-12-24 stsp const struct got_error *
440 268f7291 2018-12-24 stsp got_privsep_send_tag_req(struct imsgbuf *ibuf, int fd,
441 268f7291 2018-12-24 stsp struct got_object_id *id, int pack_idx)
442 268f7291 2018-12-24 stsp {
443 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
444 d5c81d44 2021-07-08 stsp void *data;
445 268f7291 2018-12-24 stsp size_t len;
446 268f7291 2018-12-24 stsp
447 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tag is packed */
448 268f7291 2018-12-24 stsp iobj.idx = pack_idx;
449 268f7291 2018-12-24 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
450 d5c81d44 2021-07-08 stsp data = &iobj;
451 268f7291 2018-12-24 stsp len = sizeof(iobj);
452 268f7291 2018-12-24 stsp } else {
453 d5c81d44 2021-07-08 stsp data = id;
454 d5c81d44 2021-07-08 stsp len = sizeof(*id);
455 268f7291 2018-12-24 stsp }
456 268f7291 2018-12-24 stsp
457 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_REQUEST, 0, 0, fd, data, len)
458 1785f84a 2018-12-23 stsp == -1)
459 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose TAG_REQUEST");
460 7762fe12 2018-11-05 stsp
461 7762fe12 2018-11-05 stsp return flush_imsg(ibuf);
462 7762fe12 2018-11-05 stsp }
463 7762fe12 2018-11-05 stsp
464 7762fe12 2018-11-05 stsp const struct got_error *
465 ebc55e2d 2018-12-24 stsp got_privsep_send_blob_req(struct imsgbuf *ibuf, int infd,
466 ebc55e2d 2018-12-24 stsp struct got_object_id *id, int pack_idx)
467 55da3778 2018-09-10 stsp {
468 41496140 2019-02-21 stsp const struct got_error *err = NULL;
469 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
470 d5c81d44 2021-07-08 stsp void *data;
471 ebc55e2d 2018-12-24 stsp size_t len;
472 ebc55e2d 2018-12-24 stsp
473 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* blob is packed */
474 ebc55e2d 2018-12-24 stsp iobj.idx = pack_idx;
475 ebc55e2d 2018-12-24 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
476 d5c81d44 2021-07-08 stsp data = &iobj;
477 ebc55e2d 2018-12-24 stsp len = sizeof(iobj);
478 ebc55e2d 2018-12-24 stsp } else {
479 d5c81d44 2021-07-08 stsp data = id;
480 d5c81d44 2021-07-08 stsp len = sizeof(*id);
481 ebc55e2d 2018-12-24 stsp }
482 ebc55e2d 2018-12-24 stsp
483 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_REQUEST, 0, 0, infd, data, len)
484 41496140 2019-02-21 stsp == -1) {
485 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_REQUEST");
486 41496140 2019-02-21 stsp close(infd);
487 41496140 2019-02-21 stsp return err;
488 41496140 2019-02-21 stsp }
489 ad242220 2018-09-08 stsp
490 55da3778 2018-09-10 stsp return flush_imsg(ibuf);
491 55da3778 2018-09-10 stsp }
492 ad242220 2018-09-08 stsp
493 55da3778 2018-09-10 stsp const struct got_error *
494 55da3778 2018-09-10 stsp got_privsep_send_blob_outfd(struct imsgbuf *ibuf, int outfd)
495 55da3778 2018-09-10 stsp {
496 41496140 2019-02-21 stsp const struct got_error *err = NULL;
497 41496140 2019-02-21 stsp
498 ad242220 2018-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_OUTFD, 0, 0, outfd, NULL, 0)
499 41496140 2019-02-21 stsp == -1) {
500 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_OUTFD");
501 41496140 2019-02-21 stsp close(outfd);
502 41496140 2019-02-21 stsp return err;
503 41496140 2019-02-21 stsp }
504 3840f4c9 2018-09-12 stsp
505 3840f4c9 2018-09-12 stsp return flush_imsg(ibuf);
506 3840f4c9 2018-09-12 stsp }
507 3840f4c9 2018-09-12 stsp
508 73ab1060 2020-03-18 stsp static const struct got_error *
509 73ab1060 2020-03-18 stsp send_fd(struct imsgbuf *ibuf, int imsg_code, int fd)
510 3840f4c9 2018-09-12 stsp {
511 41496140 2019-02-21 stsp const struct got_error *err = NULL;
512 41496140 2019-02-21 stsp
513 73ab1060 2020-03-18 stsp if (imsg_compose(ibuf, imsg_code, 0, 0, fd, NULL, 0) == -1) {
514 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TMPFD");
515 41496140 2019-02-21 stsp close(fd);
516 41496140 2019-02-21 stsp return err;
517 41496140 2019-02-21 stsp }
518 ad242220 2018-09-08 stsp
519 ad242220 2018-09-08 stsp return flush_imsg(ibuf);
520 ad242220 2018-09-08 stsp }
521 ad242220 2018-09-08 stsp
522 ad242220 2018-09-08 stsp const struct got_error *
523 73ab1060 2020-03-18 stsp got_privsep_send_tmpfd(struct imsgbuf *ibuf, int fd)
524 73ab1060 2020-03-18 stsp {
525 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_TMPFD, fd);
526 73ab1060 2020-03-18 stsp }
527 73ab1060 2020-03-18 stsp
528 73ab1060 2020-03-18 stsp const struct got_error *
529 876c234b 2018-09-10 stsp got_privsep_send_obj(struct imsgbuf *ibuf, struct got_object *obj)
530 2178c42e 2018-04-22 stsp {
531 2178c42e 2018-04-22 stsp struct got_imsg_object iobj;
532 2178c42e 2018-04-22 stsp
533 c59b3346 2018-09-11 stsp memcpy(iobj.id, obj->id.sha1, sizeof(iobj.id));
534 2178c42e 2018-04-22 stsp iobj.type = obj->type;
535 2178c42e 2018-04-22 stsp iobj.flags = obj->flags;
536 2178c42e 2018-04-22 stsp iobj.hdrlen = obj->hdrlen;
537 2178c42e 2018-04-22 stsp iobj.size = obj->size;
538 c59b3346 2018-09-11 stsp if (iobj.flags & GOT_OBJ_FLAG_PACKED) {
539 876c234b 2018-09-10 stsp iobj.pack_offset = obj->pack_offset;
540 c59b3346 2018-09-11 stsp iobj.pack_idx = obj->pack_idx;
541 c59b3346 2018-09-11 stsp }
542 2178c42e 2018-04-22 stsp
543 2178c42e 2018-04-22 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT, 0, 0, -1, &iobj, sizeof(iobj))
544 2178c42e 2018-04-22 stsp == -1)
545 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT");
546 2178c42e 2018-04-22 stsp
547 c59b3346 2018-09-11 stsp return flush_imsg(ibuf);
548 cfd633c2 2018-09-10 stsp }
549 cfd633c2 2018-09-10 stsp
550 cfd633c2 2018-09-10 stsp const struct got_error *
551 33501562 2020-03-18 stsp got_privsep_send_fetch_req(struct imsgbuf *ibuf, int fd,
552 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs, int fetch_all_branches,
553 abc59930 2021-09-05 naddy struct got_pathlist_head *wanted_branches,
554 abc59930 2021-09-05 naddy struct got_pathlist_head *wanted_refs, int list_refs_only, int verbosity)
555 93658fb9 2020-03-18 stsp {
556 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
557 33501562 2020-03-18 stsp struct ibuf *wbuf;
558 4ba14133 2020-03-20 stsp size_t len;
559 33501562 2020-03-18 stsp struct got_pathlist_entry *pe;
560 4ba14133 2020-03-20 stsp struct got_imsg_fetch_request fetchreq;
561 93658fb9 2020-03-18 stsp
562 4ba14133 2020-03-20 stsp memset(&fetchreq, 0, sizeof(fetchreq));
563 4ba14133 2020-03-20 stsp fetchreq.fetch_all_branches = fetch_all_branches;
564 41b0de12 2020-03-21 stsp fetchreq.list_refs_only = list_refs_only;
565 2690194b 2020-03-21 stsp fetchreq.verbosity = verbosity;
566 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, have_refs, entry)
567 4ba14133 2020-03-20 stsp fetchreq.n_have_refs++;
568 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry)
569 4ba14133 2020-03-20 stsp fetchreq.n_wanted_branches++;
570 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry)
571 0e4002ca 2020-03-21 stsp fetchreq.n_wanted_refs++;
572 659e7fbd 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_request);
573 33501562 2020-03-18 stsp if (len >= MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
574 33501562 2020-03-18 stsp close(fd);
575 33501562 2020-03-18 stsp return got_error(GOT_ERR_NO_SPACE);
576 33501562 2020-03-18 stsp }
577 33501562 2020-03-18 stsp
578 4ba14133 2020-03-20 stsp if (imsg_compose(ibuf, GOT_IMSG_FETCH_REQUEST, 0, 0, fd,
579 4ba14133 2020-03-20 stsp &fetchreq, sizeof(fetchreq)) == -1)
580 4ba14133 2020-03-20 stsp return got_error_from_errno(
581 4ba14133 2020-03-20 stsp "imsg_compose FETCH_SERVER_PROGRESS");
582 33501562 2020-03-18 stsp
583 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
584 4ba14133 2020-03-20 stsp if (err) {
585 659e7fbd 2020-03-20 stsp close(fd);
586 659e7fbd 2020-03-20 stsp return err;
587 659e7fbd 2020-03-20 stsp }
588 4ba14133 2020-03-20 stsp fd = -1;
589 33501562 2020-03-18 stsp
590 33501562 2020-03-18 stsp TAILQ_FOREACH(pe, have_refs, entry) {
591 33501562 2020-03-18 stsp const char *name = pe->path;
592 33501562 2020-03-18 stsp size_t name_len = pe->path_len;
593 33501562 2020-03-18 stsp struct got_object_id *id = pe->data;
594 33501562 2020-03-18 stsp
595 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_have_ref) + name_len;
596 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_HAVE_REF, 0, 0, len);
597 4ba14133 2020-03-20 stsp if (wbuf == NULL)
598 4ba14133 2020-03-20 stsp return got_error_from_errno("imsg_create FETCH_HAVE_REF");
599 4ba14133 2020-03-20 stsp
600 33501562 2020-03-18 stsp /* Keep in sync with struct got_imsg_fetch_have_ref! */
601 1453347d 2022-05-19 stsp if (imsg_add(wbuf, id->sha1, sizeof(id->sha1)) == -1)
602 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add FETCH_HAVE_REF");
603 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
604 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add FETCH_HAVE_REF");
605 1453347d 2022-05-19 stsp if (imsg_add(wbuf, name, name_len) == -1)
606 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add FETCH_HAVE_REF");
607 4ba14133 2020-03-20 stsp
608 4ba14133 2020-03-20 stsp wbuf->fd = -1;
609 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
610 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
611 4ba14133 2020-03-20 stsp if (err)
612 4ba14133 2020-03-20 stsp return err;
613 33501562 2020-03-18 stsp }
614 33501562 2020-03-18 stsp
615 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry) {
616 4ba14133 2020-03-20 stsp const char *name = pe->path;
617 4ba14133 2020-03-20 stsp size_t name_len = pe->path_len;
618 4ba14133 2020-03-20 stsp
619 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_wanted_branch) + name_len;
620 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_BRANCH, 0, 0,
621 4ba14133 2020-03-20 stsp len);
622 4ba14133 2020-03-20 stsp if (wbuf == NULL)
623 4ba14133 2020-03-20 stsp return got_error_from_errno(
624 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_BRANCH");
625 4ba14133 2020-03-20 stsp
626 4ba14133 2020-03-20 stsp /* Keep in sync with struct got_imsg_fetch_wanted_branch! */
627 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
628 1453347d 2022-05-19 stsp return got_error_from_errno(
629 4ba14133 2020-03-20 stsp "imsg_add FETCH_WANTED_BRANCH");
630 1453347d 2022-05-19 stsp if (imsg_add(wbuf, name, name_len) == -1)
631 1453347d 2022-05-19 stsp return got_error_from_errno(
632 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_BRANCH");
633 4ba14133 2020-03-20 stsp
634 4ba14133 2020-03-20 stsp wbuf->fd = -1;
635 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
636 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
637 4ba14133 2020-03-20 stsp if (err)
638 4ba14133 2020-03-20 stsp return err;
639 4ba14133 2020-03-20 stsp }
640 4ba14133 2020-03-20 stsp
641 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry) {
642 0e4002ca 2020-03-21 stsp const char *name = pe->path;
643 0e4002ca 2020-03-21 stsp size_t name_len = pe->path_len;
644 0e4002ca 2020-03-21 stsp
645 0e4002ca 2020-03-21 stsp len = sizeof(struct got_imsg_fetch_wanted_ref) + name_len;
646 0e4002ca 2020-03-21 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_REF, 0, 0,
647 0e4002ca 2020-03-21 stsp len);
648 0e4002ca 2020-03-21 stsp if (wbuf == NULL)
649 0e4002ca 2020-03-21 stsp return got_error_from_errno(
650 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_REF");
651 0e4002ca 2020-03-21 stsp
652 0e4002ca 2020-03-21 stsp /* Keep in sync with struct got_imsg_fetch_wanted_ref! */
653 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
654 1453347d 2022-05-19 stsp return got_error_from_errno(
655 0e4002ca 2020-03-21 stsp "imsg_add FETCH_WANTED_REF");
656 1453347d 2022-05-19 stsp if (imsg_add(wbuf, name, name_len) == -1)
657 1453347d 2022-05-19 stsp return got_error_from_errno(
658 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_REF");
659 0e4002ca 2020-03-21 stsp
660 0e4002ca 2020-03-21 stsp wbuf->fd = -1;
661 0e4002ca 2020-03-21 stsp imsg_close(ibuf, wbuf);
662 0e4002ca 2020-03-21 stsp err = flush_imsg(ibuf);
663 0e4002ca 2020-03-21 stsp if (err)
664 0e4002ca 2020-03-21 stsp return err;
665 0e4002ca 2020-03-21 stsp }
666 0e4002ca 2020-03-21 stsp
667 0e4002ca 2020-03-21 stsp
668 4ba14133 2020-03-20 stsp return NULL;
669 4ba14133 2020-03-20 stsp
670 93658fb9 2020-03-18 stsp }
671 93658fb9 2020-03-18 stsp
672 93658fb9 2020-03-18 stsp const struct got_error *
673 f826addf 2020-03-18 stsp got_privsep_send_fetch_outfd(struct imsgbuf *ibuf, int fd)
674 f826addf 2020-03-18 stsp {
675 f826addf 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_FETCH_OUTFD, fd);
676 531c3985 2020-03-18 stsp }
677 531c3985 2020-03-18 stsp
678 531c3985 2020-03-18 stsp const struct got_error *
679 8f2d01a6 2020-03-18 stsp got_privsep_recv_fetch_progress(int *done, struct got_object_id **id,
680 531c3985 2020-03-18 stsp char **refname, struct got_pathlist_head *symrefs, char **server_progress,
681 1d72a2a0 2020-03-24 stsp off_t *packfile_size, uint8_t *pack_sha1, struct imsgbuf *ibuf)
682 b9f99abf 2020-03-18 stsp {
683 b9f99abf 2020-03-18 stsp const struct got_error *err = NULL;
684 b9f99abf 2020-03-18 stsp struct imsg imsg;
685 b9f99abf 2020-03-18 stsp size_t datalen;
686 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symrefs *isymrefs = NULL;
687 abe0f35f 2020-03-18 stsp size_t n, remain;
688 abe0f35f 2020-03-18 stsp off_t off;
689 531c3985 2020-03-18 stsp int i;
690 b9f99abf 2020-03-18 stsp
691 8f2d01a6 2020-03-18 stsp *done = 0;
692 8f2d01a6 2020-03-18 stsp *id = NULL;
693 b9f99abf 2020-03-18 stsp *refname = NULL;
694 531c3985 2020-03-18 stsp *server_progress = NULL;
695 5a489642 2020-03-19 stsp *packfile_size = 0;
696 1d72a2a0 2020-03-24 stsp memset(pack_sha1, 0, SHA1_DIGEST_LENGTH);
697 b9f99abf 2020-03-18 stsp
698 531c3985 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
699 b9f99abf 2020-03-18 stsp if (err)
700 b9f99abf 2020-03-18 stsp return err;
701 b9f99abf 2020-03-18 stsp
702 b9f99abf 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
703 b9f99abf 2020-03-18 stsp switch (imsg.hdr.type) {
704 b9f99abf 2020-03-18 stsp case GOT_IMSG_ERROR:
705 531c3985 2020-03-18 stsp if (datalen < sizeof(struct got_imsg_error)) {
706 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
707 531c3985 2020-03-18 stsp break;
708 531c3985 2020-03-18 stsp }
709 b9f99abf 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
710 b9f99abf 2020-03-18 stsp break;
711 abe0f35f 2020-03-18 stsp case GOT_IMSG_FETCH_SYMREFS:
712 abe0f35f 2020-03-18 stsp if (datalen < sizeof(*isymrefs)) {
713 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
714 abe0f35f 2020-03-18 stsp break;
715 abe0f35f 2020-03-18 stsp }
716 abe0f35f 2020-03-18 stsp if (isymrefs != NULL) {
717 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
718 abe0f35f 2020-03-18 stsp break;
719 abe0f35f 2020-03-18 stsp }
720 abe0f35f 2020-03-18 stsp isymrefs = (struct got_imsg_fetch_symrefs *)imsg.data;
721 abe0f35f 2020-03-18 stsp off = sizeof(*isymrefs);
722 abe0f35f 2020-03-18 stsp remain = datalen - off;
723 abe0f35f 2020-03-18 stsp for (n = 0; n < isymrefs->nsymrefs; n++) {
724 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symref *s;
725 abe0f35f 2020-03-18 stsp char *name, *target;
726 abe0f35f 2020-03-18 stsp if (remain < sizeof(struct got_imsg_fetch_symref)) {
727 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
728 abe0f35f 2020-03-18 stsp goto done;
729 abe0f35f 2020-03-18 stsp }
730 abe0f35f 2020-03-18 stsp s = (struct got_imsg_fetch_symref *)(imsg.data + off);
731 abe0f35f 2020-03-18 stsp off += sizeof(*s);
732 abe0f35f 2020-03-18 stsp remain -= sizeof(*s);
733 abe0f35f 2020-03-18 stsp if (remain < s->name_len) {
734 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
735 abe0f35f 2020-03-18 stsp goto done;
736 abe0f35f 2020-03-18 stsp }
737 abe0f35f 2020-03-18 stsp name = strndup(imsg.data + off, s->name_len);
738 abe0f35f 2020-03-18 stsp if (name == NULL) {
739 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
740 abe0f35f 2020-03-18 stsp goto done;
741 abe0f35f 2020-03-18 stsp }
742 abe0f35f 2020-03-18 stsp off += s->name_len;
743 abe0f35f 2020-03-18 stsp remain -= s->name_len;
744 abe0f35f 2020-03-18 stsp if (remain < s->target_len) {
745 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
746 abe0f35f 2020-03-18 stsp free(name);
747 abe0f35f 2020-03-18 stsp goto done;
748 abe0f35f 2020-03-18 stsp }
749 abe0f35f 2020-03-18 stsp target = strndup(imsg.data + off, s->target_len);
750 abe0f35f 2020-03-18 stsp if (target == NULL) {
751 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
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 off += s->target_len;
756 abe0f35f 2020-03-18 stsp remain -= s->target_len;
757 abe0f35f 2020-03-18 stsp err = got_pathlist_append(symrefs, name, target);
758 abe0f35f 2020-03-18 stsp if (err) {
759 abe0f35f 2020-03-18 stsp free(name);
760 abe0f35f 2020-03-18 stsp free(target);
761 abe0f35f 2020-03-18 stsp goto done;
762 abe0f35f 2020-03-18 stsp }
763 abe0f35f 2020-03-18 stsp }
764 abe0f35f 2020-03-18 stsp break;
765 ea7396b9 2020-03-18 stsp case GOT_IMSG_FETCH_REF:
766 531c3985 2020-03-18 stsp if (datalen <= SHA1_DIGEST_LENGTH) {
767 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
768 531c3985 2020-03-18 stsp break;
769 531c3985 2020-03-18 stsp }
770 8f2d01a6 2020-03-18 stsp *id = malloc(sizeof(**id));
771 8f2d01a6 2020-03-18 stsp if (*id == NULL) {
772 b9f99abf 2020-03-18 stsp err = got_error_from_errno("malloc");
773 b9f99abf 2020-03-18 stsp break;
774 b9f99abf 2020-03-18 stsp }
775 8f2d01a6 2020-03-18 stsp memcpy((*id)->sha1, imsg.data, SHA1_DIGEST_LENGTH);
776 b9f99abf 2020-03-18 stsp *refname = strndup(imsg.data + SHA1_DIGEST_LENGTH,
777 b9f99abf 2020-03-18 stsp datalen - SHA1_DIGEST_LENGTH);
778 b9f99abf 2020-03-18 stsp if (*refname == NULL) {
779 b9f99abf 2020-03-18 stsp err = got_error_from_errno("strndup");
780 8f2d01a6 2020-03-18 stsp break;
781 8f2d01a6 2020-03-18 stsp }
782 8f2d01a6 2020-03-18 stsp break;
783 531c3985 2020-03-18 stsp case GOT_IMSG_FETCH_SERVER_PROGRESS:
784 531c3985 2020-03-18 stsp if (datalen == 0) {
785 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
786 531c3985 2020-03-18 stsp break;
787 531c3985 2020-03-18 stsp }
788 531c3985 2020-03-18 stsp *server_progress = strndup(imsg.data, datalen);
789 531c3985 2020-03-18 stsp if (*server_progress == NULL) {
790 531c3985 2020-03-18 stsp err = got_error_from_errno("strndup");
791 531c3985 2020-03-18 stsp break;
792 531c3985 2020-03-18 stsp }
793 531c3985 2020-03-18 stsp for (i = 0; i < datalen; i++) {
794 531c3985 2020-03-18 stsp if (!isprint((unsigned char)(*server_progress)[i]) &&
795 531c3985 2020-03-18 stsp !isspace((unsigned char)(*server_progress)[i])) {
796 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
797 531c3985 2020-03-18 stsp free(*server_progress);
798 531c3985 2020-03-18 stsp *server_progress = NULL;
799 531c3985 2020-03-18 stsp goto done;
800 531c3985 2020-03-18 stsp }
801 531c3985 2020-03-18 stsp }
802 531c3985 2020-03-18 stsp break;
803 d2cdc636 2020-03-18 stsp case GOT_IMSG_FETCH_DOWNLOAD_PROGRESS:
804 d2cdc636 2020-03-18 stsp if (datalen < sizeof(*packfile_size)) {
805 d2cdc636 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
806 d2cdc636 2020-03-18 stsp break;
807 d2cdc636 2020-03-18 stsp }
808 d2cdc636 2020-03-18 stsp memcpy(packfile_size, imsg.data, sizeof(*packfile_size));
809 d2cdc636 2020-03-18 stsp break;
810 8f2d01a6 2020-03-18 stsp case GOT_IMSG_FETCH_DONE:
811 8f2d01a6 2020-03-18 stsp if (datalen != SHA1_DIGEST_LENGTH) {
812 8f2d01a6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
813 8f2d01a6 2020-03-18 stsp break;
814 8f2d01a6 2020-03-18 stsp }
815 1d72a2a0 2020-03-24 stsp memcpy(pack_sha1, imsg.data, SHA1_DIGEST_LENGTH);
816 8f2d01a6 2020-03-18 stsp *done = 1;
817 b9f99abf 2020-03-18 stsp break;
818 b9f99abf 2020-03-18 stsp default:
819 b887aab6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
820 b887aab6 2020-03-18 stsp break;
821 b9f99abf 2020-03-18 stsp }
822 abe0f35f 2020-03-18 stsp done:
823 b887aab6 2020-03-18 stsp if (err) {
824 8f2d01a6 2020-03-18 stsp free(*id);
825 8f2d01a6 2020-03-18 stsp *id = NULL;
826 b887aab6 2020-03-18 stsp free(*refname);
827 b887aab6 2020-03-18 stsp *refname = NULL;
828 f8a36e22 2021-08-26 stsp }
829 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
830 f8a36e22 2021-08-26 stsp return err;
831 f8a36e22 2021-08-26 stsp }
832 f8a36e22 2021-08-26 stsp
833 f8a36e22 2021-08-26 stsp static const struct got_error *
834 f8a36e22 2021-08-26 stsp send_send_ref(const char *name, size_t name_len, struct got_object_id *id,
835 f8a36e22 2021-08-26 stsp int delete, struct imsgbuf *ibuf)
836 f8a36e22 2021-08-26 stsp {
837 f8a36e22 2021-08-26 stsp size_t len;
838 f8a36e22 2021-08-26 stsp struct ibuf *wbuf;
839 f8a36e22 2021-08-26 stsp
840 f8a36e22 2021-08-26 stsp len = sizeof(struct got_imsg_send_ref) + name_len;
841 f8a36e22 2021-08-26 stsp wbuf = imsg_create(ibuf, GOT_IMSG_SEND_REF, 0, 0, len);
842 f8a36e22 2021-08-26 stsp if (wbuf == NULL)
843 f8a36e22 2021-08-26 stsp return got_error_from_errno("imsg_create SEND_REF");
844 f8a36e22 2021-08-26 stsp
845 f8a36e22 2021-08-26 stsp /* Keep in sync with struct got_imsg_send_ref! */
846 1453347d 2022-05-19 stsp if (imsg_add(wbuf, id->sha1, sizeof(id->sha1)) == -1)
847 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add SEND_REF");
848 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &delete, sizeof(delete)) == -1)
849 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add SEND_REF");
850 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
851 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add SEND_REF");
852 1453347d 2022-05-19 stsp if (imsg_add(wbuf, name, name_len) == -1)
853 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add SEND_REF");
854 f8a36e22 2021-08-26 stsp
855 f8a36e22 2021-08-26 stsp wbuf->fd = -1;
856 f8a36e22 2021-08-26 stsp imsg_close(ibuf, wbuf);
857 f8a36e22 2021-08-26 stsp return flush_imsg(ibuf);
858 f8a36e22 2021-08-26 stsp }
859 f8a36e22 2021-08-26 stsp
860 f8a36e22 2021-08-26 stsp const struct got_error *
861 f8a36e22 2021-08-26 stsp got_privsep_send_send_req(struct imsgbuf *ibuf, int fd,
862 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs,
863 abc59930 2021-09-05 naddy struct got_pathlist_head *delete_refs,
864 abc59930 2021-09-05 naddy int verbosity)
865 f8a36e22 2021-08-26 stsp {
866 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
867 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *pe;
868 f8a36e22 2021-08-26 stsp struct got_imsg_send_request sendreq;
869 f8a36e22 2021-08-26 stsp struct got_object_id zero_id;
870 f8a36e22 2021-08-26 stsp
871 f8a36e22 2021-08-26 stsp memset(&zero_id, 0, sizeof(zero_id));
872 f8a36e22 2021-08-26 stsp memset(&sendreq, 0, sizeof(sendreq));
873 f8a36e22 2021-08-26 stsp sendreq.verbosity = verbosity;
874 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry)
875 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
876 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry)
877 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
878 f8a36e22 2021-08-26 stsp if (imsg_compose(ibuf, GOT_IMSG_SEND_REQUEST, 0, 0, fd,
879 f8a36e22 2021-08-26 stsp &sendreq, sizeof(sendreq)) == -1) {
880 f8a36e22 2021-08-26 stsp err = got_error_from_errno(
881 f8a36e22 2021-08-26 stsp "imsg_compose FETCH_SERVER_PROGRESS");
882 f8a36e22 2021-08-26 stsp goto done;
883 f8a36e22 2021-08-26 stsp }
884 f8a36e22 2021-08-26 stsp
885 f8a36e22 2021-08-26 stsp err = flush_imsg(ibuf);
886 f8a36e22 2021-08-26 stsp if (err)
887 f8a36e22 2021-08-26 stsp goto done;
888 f8a36e22 2021-08-26 stsp fd = -1;
889 f8a36e22 2021-08-26 stsp
890 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry) {
891 f8a36e22 2021-08-26 stsp const char *name = pe->path;
892 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
893 f8a36e22 2021-08-26 stsp struct got_object_id *id = pe->data;
894 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, id, 0, ibuf);
895 f8a36e22 2021-08-26 stsp if (err)
896 f8a36e22 2021-08-26 stsp goto done;
897 f8a36e22 2021-08-26 stsp }
898 f8a36e22 2021-08-26 stsp
899 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry) {
900 f8a36e22 2021-08-26 stsp const char *name = pe->path;
901 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
902 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, &zero_id, 1, ibuf);
903 f8a36e22 2021-08-26 stsp if (err)
904 f8a36e22 2021-08-26 stsp goto done;
905 f8a36e22 2021-08-26 stsp }
906 f8a36e22 2021-08-26 stsp done:
907 f8a36e22 2021-08-26 stsp if (fd != -1 && close(fd) == -1 && err == NULL)
908 f8a36e22 2021-08-26 stsp err = got_error_from_errno("close");
909 f8a36e22 2021-08-26 stsp return err;
910 f8a36e22 2021-08-26 stsp
911 f8a36e22 2021-08-26 stsp }
912 f8a36e22 2021-08-26 stsp
913 f8a36e22 2021-08-26 stsp const struct got_error *
914 f8a36e22 2021-08-26 stsp got_privsep_recv_send_remote_refs(struct got_pathlist_head *remote_refs,
915 f8a36e22 2021-08-26 stsp struct imsgbuf *ibuf)
916 f8a36e22 2021-08-26 stsp {
917 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
918 f8a36e22 2021-08-26 stsp struct imsg imsg;
919 f8a36e22 2021-08-26 stsp size_t datalen;
920 f8a36e22 2021-08-26 stsp int done = 0;
921 f8a36e22 2021-08-26 stsp struct got_imsg_send_remote_ref iremote_ref;
922 f8a36e22 2021-08-26 stsp struct got_object_id *id = NULL;
923 f8a36e22 2021-08-26 stsp char *refname = NULL;
924 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *new;
925 f8a36e22 2021-08-26 stsp
926 f8a36e22 2021-08-26 stsp while (!done) {
927 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
928 f8a36e22 2021-08-26 stsp if (err)
929 f8a36e22 2021-08-26 stsp return err;
930 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
931 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
932 f8a36e22 2021-08-26 stsp case GOT_IMSG_ERROR:
933 f8a36e22 2021-08-26 stsp if (datalen < sizeof(struct got_imsg_error)) {
934 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
935 f8a36e22 2021-08-26 stsp goto done;
936 f8a36e22 2021-08-26 stsp }
937 f8a36e22 2021-08-26 stsp err = recv_imsg_error(&imsg, datalen);
938 f8a36e22 2021-08-26 stsp goto done;
939 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REMOTE_REF:
940 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iremote_ref)) {
941 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
942 f8a36e22 2021-08-26 stsp goto done;
943 f8a36e22 2021-08-26 stsp }
944 f8a36e22 2021-08-26 stsp memcpy(&iremote_ref, imsg.data, sizeof(iremote_ref));
945 f8a36e22 2021-08-26 stsp if (datalen != sizeof(iremote_ref) +
946 f8a36e22 2021-08-26 stsp iremote_ref.name_len) {
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 id = malloc(sizeof(*id));
951 f8a36e22 2021-08-26 stsp if (id == NULL) {
952 f8a36e22 2021-08-26 stsp err = got_error_from_errno("malloc");
953 f8a36e22 2021-08-26 stsp goto done;
954 f8a36e22 2021-08-26 stsp }
955 f8a36e22 2021-08-26 stsp memcpy(id->sha1, iremote_ref.id, SHA1_DIGEST_LENGTH);
956 f8a36e22 2021-08-26 stsp refname = strndup(imsg.data + sizeof(iremote_ref),
957 f8a36e22 2021-08-26 stsp datalen - sizeof(iremote_ref));
958 f8a36e22 2021-08-26 stsp if (refname == NULL) {
959 f8a36e22 2021-08-26 stsp err = got_error_from_errno("strndup");
960 f8a36e22 2021-08-26 stsp goto done;
961 f8a36e22 2021-08-26 stsp }
962 f8a36e22 2021-08-26 stsp err = got_pathlist_insert(&new, remote_refs,
963 f8a36e22 2021-08-26 stsp refname, id);
964 f8a36e22 2021-08-26 stsp if (err)
965 f8a36e22 2021-08-26 stsp goto done;
966 f8a36e22 2021-08-26 stsp if (new == NULL) { /* duplicate which wasn't inserted */
967 f8a36e22 2021-08-26 stsp free(id);
968 f8a36e22 2021-08-26 stsp free(refname);
969 f8a36e22 2021-08-26 stsp }
970 f8a36e22 2021-08-26 stsp id = NULL;
971 f8a36e22 2021-08-26 stsp refname = NULL;
972 f8a36e22 2021-08-26 stsp break;
973 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_PACK_REQUEST:
974 f8a36e22 2021-08-26 stsp if (datalen != 0) {
975 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
976 f8a36e22 2021-08-26 stsp goto done;
977 f8a36e22 2021-08-26 stsp }
978 f8a36e22 2021-08-26 stsp /* got-send-pack is now waiting for a pack file. */
979 f8a36e22 2021-08-26 stsp done = 1;
980 f8a36e22 2021-08-26 stsp break;
981 f8a36e22 2021-08-26 stsp default:
982 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
983 f8a36e22 2021-08-26 stsp break;
984 f8a36e22 2021-08-26 stsp }
985 b887aab6 2020-03-18 stsp }
986 f8a36e22 2021-08-26 stsp done:
987 f8a36e22 2021-08-26 stsp free(id);
988 f8a36e22 2021-08-26 stsp free(refname);
989 b9f99abf 2020-03-18 stsp imsg_free(&imsg);
990 b9f99abf 2020-03-18 stsp return err;
991 93658fb9 2020-03-18 stsp }
992 93658fb9 2020-03-18 stsp
993 93658fb9 2020-03-18 stsp const struct got_error *
994 f8a36e22 2021-08-26 stsp got_privsep_send_packfd(struct imsgbuf *ibuf, int fd)
995 f8a36e22 2021-08-26 stsp {
996 f8a36e22 2021-08-26 stsp return send_fd(ibuf, GOT_IMSG_SEND_PACKFD, fd);
997 f8a36e22 2021-08-26 stsp }
998 f8a36e22 2021-08-26 stsp
999 f8a36e22 2021-08-26 stsp const struct got_error *
1000 f8a36e22 2021-08-26 stsp got_privsep_recv_send_progress(int *done, off_t *bytes_sent,
1001 f8a36e22 2021-08-26 stsp int *success, char **refname, struct imsgbuf *ibuf)
1002 f8a36e22 2021-08-26 stsp {
1003 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
1004 f8a36e22 2021-08-26 stsp struct imsg imsg;
1005 f8a36e22 2021-08-26 stsp size_t datalen;
1006 f8a36e22 2021-08-26 stsp struct got_imsg_send_ref_status iref_status;
1007 f8a36e22 2021-08-26 stsp
1008 f8a36e22 2021-08-26 stsp /* Do not reset the current value of 'bytes_sent', it accumulates. */
1009 f8a36e22 2021-08-26 stsp *done = 0;
1010 f8a36e22 2021-08-26 stsp *success = 0;
1011 f8a36e22 2021-08-26 stsp *refname = NULL;
1012 f8a36e22 2021-08-26 stsp
1013 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1014 f8a36e22 2021-08-26 stsp if (err)
1015 f8a36e22 2021-08-26 stsp return err;
1016 f8a36e22 2021-08-26 stsp
1017 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1018 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
1019 f8a36e22 2021-08-26 stsp case GOT_IMSG_ERROR:
1020 f8a36e22 2021-08-26 stsp if (datalen < sizeof(struct got_imsg_error)) {
1021 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1022 f8a36e22 2021-08-26 stsp break;
1023 f8a36e22 2021-08-26 stsp }
1024 f8a36e22 2021-08-26 stsp err = recv_imsg_error(&imsg, datalen);
1025 f8a36e22 2021-08-26 stsp break;
1026 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_UPLOAD_PROGRESS:
1027 f8a36e22 2021-08-26 stsp if (datalen < sizeof(*bytes_sent)) {
1028 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1029 f8a36e22 2021-08-26 stsp break;
1030 f8a36e22 2021-08-26 stsp }
1031 f8a36e22 2021-08-26 stsp memcpy(bytes_sent, imsg.data, sizeof(*bytes_sent));
1032 f8a36e22 2021-08-26 stsp break;
1033 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REF_STATUS:
1034 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iref_status)) {
1035 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1036 f8a36e22 2021-08-26 stsp break;
1037 f8a36e22 2021-08-26 stsp }
1038 f8a36e22 2021-08-26 stsp memcpy(&iref_status, imsg.data, sizeof(iref_status));
1039 f8a36e22 2021-08-26 stsp if (datalen != sizeof(iref_status) + iref_status.name_len) {
1040 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1041 f8a36e22 2021-08-26 stsp break;
1042 f8a36e22 2021-08-26 stsp }
1043 f8a36e22 2021-08-26 stsp *success = iref_status.success;
1044 f8a36e22 2021-08-26 stsp *refname = strndup(imsg.data + sizeof(iref_status),
1045 f8a36e22 2021-08-26 stsp iref_status.name_len);
1046 f8a36e22 2021-08-26 stsp break;
1047 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_DONE:
1048 f8a36e22 2021-08-26 stsp if (datalen != 0) {
1049 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1050 f8a36e22 2021-08-26 stsp break;
1051 f8a36e22 2021-08-26 stsp }
1052 f8a36e22 2021-08-26 stsp *done = 1;
1053 f8a36e22 2021-08-26 stsp break;
1054 f8a36e22 2021-08-26 stsp default:
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
1059 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
1060 f8a36e22 2021-08-26 stsp return err;
1061 f8a36e22 2021-08-26 stsp }
1062 f8a36e22 2021-08-26 stsp
1063 f8a36e22 2021-08-26 stsp const struct got_error *
1064 fd251256 2020-03-24 stsp got_privsep_send_index_pack_req(struct imsgbuf *ibuf, uint8_t *pack_sha1,
1065 668a20f6 2020-03-18 stsp int fd)
1066 93658fb9 2020-03-18 stsp {
1067 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1068 93658fb9 2020-03-18 stsp
1069 668a20f6 2020-03-18 stsp /* Keep in sync with struct got_imsg_index_pack_request */
1070 93658fb9 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_IDXPACK_REQUEST, 0, 0, fd,
1071 fd251256 2020-03-24 stsp pack_sha1, SHA1_DIGEST_LENGTH) == -1) {
1072 93658fb9 2020-03-18 stsp err = got_error_from_errno("imsg_compose INDEX_REQUEST");
1073 93658fb9 2020-03-18 stsp close(fd);
1074 93658fb9 2020-03-18 stsp return err;
1075 93658fb9 2020-03-18 stsp }
1076 baa9fea0 2020-03-18 stsp return flush_imsg(ibuf);
1077 baa9fea0 2020-03-18 stsp }
1078 baa9fea0 2020-03-18 stsp
1079 baa9fea0 2020-03-18 stsp const struct got_error *
1080 73ab1060 2020-03-18 stsp got_privsep_send_index_pack_outfd(struct imsgbuf *ibuf, int fd)
1081 73ab1060 2020-03-18 stsp {
1082 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_IDXPACK_OUTFD, fd);
1083 73ab1060 2020-03-18 stsp }
1084 73ab1060 2020-03-18 stsp
1085 73ab1060 2020-03-18 stsp const struct got_error *
1086 668a20f6 2020-03-18 stsp got_privsep_recv_index_progress(int *done, int *nobj_total,
1087 668a20f6 2020-03-18 stsp int *nobj_indexed, int *nobj_loose, int *nobj_resolved,
1088 668a20f6 2020-03-18 stsp struct imsgbuf *ibuf)
1089 93658fb9 2020-03-18 stsp {
1090 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1091 93658fb9 2020-03-18 stsp struct imsg imsg;
1092 baa9fea0 2020-03-18 stsp struct got_imsg_index_pack_progress *iprogress;
1093 baa9fea0 2020-03-18 stsp size_t datalen;
1094 93658fb9 2020-03-18 stsp
1095 baa9fea0 2020-03-18 stsp *done = 0;
1096 668a20f6 2020-03-18 stsp *nobj_total = 0;
1097 668a20f6 2020-03-18 stsp *nobj_indexed = 0;
1098 668a20f6 2020-03-18 stsp *nobj_resolved = 0;
1099 baa9fea0 2020-03-18 stsp
1100 93658fb9 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1101 93658fb9 2020-03-18 stsp if (err)
1102 93658fb9 2020-03-18 stsp return err;
1103 baa9fea0 2020-03-18 stsp
1104 baa9fea0 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1105 baa9fea0 2020-03-18 stsp switch (imsg.hdr.type) {
1106 baa9fea0 2020-03-18 stsp case GOT_IMSG_ERROR:
1107 baa9fea0 2020-03-18 stsp if (datalen < sizeof(struct got_imsg_error)) {
1108 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1109 baa9fea0 2020-03-18 stsp break;
1110 baa9fea0 2020-03-18 stsp }
1111 baa9fea0 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
1112 baa9fea0 2020-03-18 stsp break;
1113 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_PROGRESS:
1114 baa9fea0 2020-03-18 stsp if (datalen < sizeof(*iprogress)) {
1115 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1116 baa9fea0 2020-03-18 stsp break;
1117 baa9fea0 2020-03-18 stsp }
1118 baa9fea0 2020-03-18 stsp iprogress = (struct got_imsg_index_pack_progress *)imsg.data;
1119 668a20f6 2020-03-18 stsp *nobj_total = iprogress->nobj_total;
1120 668a20f6 2020-03-18 stsp *nobj_indexed = iprogress->nobj_indexed;
1121 668a20f6 2020-03-18 stsp *nobj_loose = iprogress->nobj_loose;
1122 668a20f6 2020-03-18 stsp *nobj_resolved = iprogress->nobj_resolved;
1123 baa9fea0 2020-03-18 stsp break;
1124 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_DONE:
1125 baa9fea0 2020-03-18 stsp if (datalen != 0) {
1126 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1127 baa9fea0 2020-03-18 stsp break;
1128 baa9fea0 2020-03-18 stsp }
1129 baa9fea0 2020-03-18 stsp *done = 1;
1130 baa9fea0 2020-03-18 stsp break;
1131 baa9fea0 2020-03-18 stsp default:
1132 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1133 baa9fea0 2020-03-18 stsp break;
1134 baa9fea0 2020-03-18 stsp }
1135 baa9fea0 2020-03-18 stsp
1136 93658fb9 2020-03-18 stsp imsg_free(&imsg);
1137 baa9fea0 2020-03-18 stsp return err;
1138 93658fb9 2020-03-18 stsp }
1139 93658fb9 2020-03-18 stsp
1140 93658fb9 2020-03-18 stsp const struct got_error *
1141 cfd633c2 2018-09-10 stsp got_privsep_get_imsg_obj(struct got_object **obj, struct imsg *imsg,
1142 cfd633c2 2018-09-10 stsp struct imsgbuf *ibuf)
1143 cfd633c2 2018-09-10 stsp {
1144 291624d8 2018-11-07 stsp struct got_imsg_object *iobj;
1145 cfd633c2 2018-09-10 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1146 cfd633c2 2018-09-10 stsp
1147 291624d8 2018-11-07 stsp if (datalen != sizeof(*iobj))
1148 cfd633c2 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1149 291624d8 2018-11-07 stsp iobj = imsg->data;
1150 cfd633c2 2018-09-10 stsp
1151 cfd633c2 2018-09-10 stsp *obj = calloc(1, sizeof(**obj));
1152 cfd633c2 2018-09-10 stsp if (*obj == NULL)
1153 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
1154 cfd633c2 2018-09-10 stsp
1155 291624d8 2018-11-07 stsp memcpy((*obj)->id.sha1, iobj->id, SHA1_DIGEST_LENGTH);
1156 291624d8 2018-11-07 stsp (*obj)->type = iobj->type;
1157 291624d8 2018-11-07 stsp (*obj)->flags = iobj->flags;
1158 291624d8 2018-11-07 stsp (*obj)->hdrlen = iobj->hdrlen;
1159 291624d8 2018-11-07 stsp (*obj)->size = iobj->size;
1160 c59b3346 2018-09-11 stsp /* path_packfile is handled by caller */
1161 291624d8 2018-11-07 stsp if (iobj->flags & GOT_OBJ_FLAG_PACKED) {
1162 291624d8 2018-11-07 stsp (*obj)->pack_offset = iobj->pack_offset;
1163 291624d8 2018-11-07 stsp (*obj)->pack_idx = iobj->pack_idx;
1164 876c234b 2018-09-10 stsp }
1165 d1b988e3 2022-01-26 stsp STAILQ_INIT(&(*obj)->deltas.entries);
1166 9296b03b 2022-01-26 stsp return NULL;
1167 876c234b 2018-09-10 stsp }
1168 876c234b 2018-09-10 stsp
1169 2178c42e 2018-04-22 stsp const struct got_error *
1170 2178c42e 2018-04-22 stsp got_privsep_recv_obj(struct got_object **obj, struct imsgbuf *ibuf)
1171 2178c42e 2018-04-22 stsp {
1172 2178c42e 2018-04-22 stsp const struct got_error *err = NULL;
1173 2178c42e 2018-04-22 stsp struct imsg imsg;
1174 c4eae628 2018-04-23 stsp const size_t min_datalen =
1175 c4eae628 2018-04-23 stsp MIN(sizeof(struct got_imsg_error), sizeof(struct got_imsg_object));
1176 2178c42e 2018-04-22 stsp
1177 2178c42e 2018-04-22 stsp *obj = NULL;
1178 2178c42e 2018-04-22 stsp
1179 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1180 2178c42e 2018-04-22 stsp if (err)
1181 2178c42e 2018-04-22 stsp return err;
1182 2178c42e 2018-04-22 stsp
1183 2178c42e 2018-04-22 stsp switch (imsg.hdr.type) {
1184 2178c42e 2018-04-22 stsp case GOT_IMSG_OBJECT:
1185 cfd633c2 2018-09-10 stsp err = got_privsep_get_imsg_obj(obj, &imsg, ibuf);
1186 bff6ca00 2018-04-23 stsp break;
1187 bff6ca00 2018-04-23 stsp default:
1188 bff6ca00 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1189 bff6ca00 2018-04-23 stsp break;
1190 bff6ca00 2018-04-23 stsp }
1191 bff6ca00 2018-04-23 stsp
1192 bff6ca00 2018-04-23 stsp imsg_free(&imsg);
1193 bff6ca00 2018-04-23 stsp
1194 bff6ca00 2018-04-23 stsp return err;
1195 c75f7264 2018-09-11 stsp }
1196 c75f7264 2018-09-11 stsp
1197 c75f7264 2018-09-11 stsp static const struct got_error *
1198 c75f7264 2018-09-11 stsp send_commit_logmsg(struct imsgbuf *ibuf, struct got_commit_object *commit,
1199 c75f7264 2018-09-11 stsp size_t logmsg_len)
1200 c75f7264 2018-09-11 stsp {
1201 fa4ffeb3 2018-11-04 stsp const struct got_error *err = NULL;
1202 c75f7264 2018-09-11 stsp size_t offset, remain;
1203 c75f7264 2018-09-11 stsp
1204 c75f7264 2018-09-11 stsp offset = 0;
1205 c75f7264 2018-09-11 stsp remain = logmsg_len;
1206 c75f7264 2018-09-11 stsp while (remain > 0) {
1207 c75f7264 2018-09-11 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1208 c75f7264 2018-09-11 stsp
1209 c75f7264 2018-09-11 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_LOGMSG, 0, 0, -1,
1210 fa4ffeb3 2018-11-04 stsp commit->logmsg + offset, n) == -1) {
1211 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose "
1212 230a42bd 2019-05-11 jcs "COMMIT_LOGMSG");
1213 fa4ffeb3 2018-11-04 stsp break;
1214 fa4ffeb3 2018-11-04 stsp }
1215 c75f7264 2018-09-11 stsp
1216 fa4ffeb3 2018-11-04 stsp err = flush_imsg(ibuf);
1217 fa4ffeb3 2018-11-04 stsp if (err)
1218 fa4ffeb3 2018-11-04 stsp break;
1219 c75f7264 2018-09-11 stsp
1220 c75f7264 2018-09-11 stsp offset += n;
1221 c75f7264 2018-09-11 stsp remain -= n;
1222 c75f7264 2018-09-11 stsp }
1223 c75f7264 2018-09-11 stsp
1224 fa4ffeb3 2018-11-04 stsp return err;
1225 bff6ca00 2018-04-23 stsp }
1226 bff6ca00 2018-04-23 stsp
1227 bff6ca00 2018-04-23 stsp const struct got_error *
1228 068fd2bf 2018-04-24 stsp got_privsep_send_commit(struct imsgbuf *ibuf, struct got_commit_object *commit)
1229 bff6ca00 2018-04-23 stsp {
1230 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1231 b9c33926 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1232 bff6ca00 2018-04-23 stsp uint8_t *buf;
1233 bff6ca00 2018-04-23 stsp size_t len, total;
1234 79f35eb3 2018-06-11 stsp struct got_object_qid *qid;
1235 b9c33926 2018-11-07 stsp size_t author_len = strlen(commit->author);
1236 b9c33926 2018-11-07 stsp size_t committer_len = strlen(commit->committer);
1237 c75f7264 2018-09-11 stsp size_t logmsg_len = strlen(commit->logmsg);
1238 bff6ca00 2018-04-23 stsp
1239 b9c33926 2018-11-07 stsp total = sizeof(*icommit) + author_len + committer_len +
1240 b9c33926 2018-11-07 stsp commit->nparents * SHA1_DIGEST_LENGTH;
1241 bff6ca00 2018-04-23 stsp
1242 bff6ca00 2018-04-23 stsp buf = malloc(total);
1243 bff6ca00 2018-04-23 stsp if (buf == NULL)
1244 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1245 bff6ca00 2018-04-23 stsp
1246 b9c33926 2018-11-07 stsp icommit = (struct got_imsg_commit_object *)buf;
1247 a7403916 2018-12-24 stsp memcpy(icommit->tree_id, commit->tree_id->sha1,
1248 a7403916 2018-12-24 stsp sizeof(icommit->tree_id));
1249 b9c33926 2018-11-07 stsp icommit->author_len = author_len;
1250 b9c33926 2018-11-07 stsp icommit->author_time = commit->author_time;
1251 b9c33926 2018-11-07 stsp icommit->author_gmtoff = commit->author_gmtoff;
1252 b9c33926 2018-11-07 stsp icommit->committer_len = committer_len;
1253 b9c33926 2018-11-07 stsp icommit->committer_time = commit->committer_time;
1254 b9c33926 2018-11-07 stsp icommit->committer_gmtoff = commit->committer_gmtoff;
1255 b9c33926 2018-11-07 stsp icommit->logmsg_len = logmsg_len;
1256 b9c33926 2018-11-07 stsp icommit->nparents = commit->nparents;
1257 b9c33926 2018-11-07 stsp
1258 b9c33926 2018-11-07 stsp len = sizeof(*icommit);
1259 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->author, author_len);
1260 b9c33926 2018-11-07 stsp len += author_len;
1261 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->committer, committer_len);
1262 b9c33926 2018-11-07 stsp len += committer_len;
1263 dbdddfee 2021-06-23 naddy STAILQ_FOREACH(qid, &commit->parent_ids, entry) {
1264 d7b5a0e8 2022-04-20 stsp memcpy(buf + len, &qid->id, SHA1_DIGEST_LENGTH);
1265 86acc566 2018-04-23 stsp len += SHA1_DIGEST_LENGTH;
1266 bff6ca00 2018-04-23 stsp }
1267 bff6ca00 2018-04-23 stsp
1268 bff6ca00 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT, 0, 0, -1, buf, len) == -1) {
1269 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT");
1270 bff6ca00 2018-04-23 stsp goto done;
1271 bff6ca00 2018-04-23 stsp }
1272 bff6ca00 2018-04-23 stsp
1273 904df868 2018-11-04 stsp if (logmsg_len == 0 ||
1274 904df868 2018-11-04 stsp logmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1275 904df868 2018-11-04 stsp err = flush_imsg(ibuf);
1276 904df868 2018-11-04 stsp if (err)
1277 904df868 2018-11-04 stsp goto done;
1278 904df868 2018-11-04 stsp }
1279 c75f7264 2018-09-11 stsp err = send_commit_logmsg(ibuf, commit, logmsg_len);
1280 bff6ca00 2018-04-23 stsp done:
1281 bff6ca00 2018-04-23 stsp free(buf);
1282 bff6ca00 2018-04-23 stsp return err;
1283 bff6ca00 2018-04-23 stsp }
1284 cfd633c2 2018-09-10 stsp
1285 ca6e02ac 2020-01-07 stsp static const struct got_error *
1286 ca6e02ac 2020-01-07 stsp get_commit_from_imsg(struct got_commit_object **commit,
1287 ca6e02ac 2020-01-07 stsp struct imsg *imsg, size_t datalen, struct imsgbuf *ibuf)
1288 bff6ca00 2018-04-23 stsp {
1289 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1290 291624d8 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1291 ca6e02ac 2020-01-07 stsp size_t len = 0;
1292 bff6ca00 2018-04-23 stsp int i;
1293 bff6ca00 2018-04-23 stsp
1294 ca6e02ac 2020-01-07 stsp if (datalen < sizeof(*icommit))
1295 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1296 bff6ca00 2018-04-23 stsp
1297 ca6e02ac 2020-01-07 stsp icommit = imsg->data;
1298 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommit) + icommit->author_len +
1299 ca6e02ac 2020-01-07 stsp icommit->committer_len +
1300 ca6e02ac 2020-01-07 stsp icommit->nparents * SHA1_DIGEST_LENGTH)
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 if (icommit->nparents < 0)
1304 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1305 ca6e02ac 2020-01-07 stsp
1306 ca6e02ac 2020-01-07 stsp len += sizeof(*icommit);
1307 bff6ca00 2018-04-23 stsp
1308 ca6e02ac 2020-01-07 stsp *commit = got_object_commit_alloc_partial();
1309 ca6e02ac 2020-01-07 stsp if (*commit == NULL)
1310 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
1311 ca6e02ac 2020-01-07 stsp "got_object_commit_alloc_partial");
1312 ca6e02ac 2020-01-07 stsp
1313 ca6e02ac 2020-01-07 stsp memcpy((*commit)->tree_id->sha1, icommit->tree_id,
1314 ca6e02ac 2020-01-07 stsp SHA1_DIGEST_LENGTH);
1315 ca6e02ac 2020-01-07 stsp (*commit)->author_time = icommit->author_time;
1316 ca6e02ac 2020-01-07 stsp (*commit)->author_gmtoff = icommit->author_gmtoff;
1317 ca6e02ac 2020-01-07 stsp (*commit)->committer_time = icommit->committer_time;
1318 ca6e02ac 2020-01-07 stsp (*commit)->committer_gmtoff = icommit->committer_gmtoff;
1319 ca6e02ac 2020-01-07 stsp
1320 ca6e02ac 2020-01-07 stsp if (icommit->author_len == 0) {
1321 ca6e02ac 2020-01-07 stsp (*commit)->author = strdup("");
1322 ca6e02ac 2020-01-07 stsp if ((*commit)->author == NULL) {
1323 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1324 ca6e02ac 2020-01-07 stsp goto done;
1325 bff6ca00 2018-04-23 stsp }
1326 ca6e02ac 2020-01-07 stsp } else {
1327 ca6e02ac 2020-01-07 stsp (*commit)->author = malloc(icommit->author_len + 1);
1328 ca6e02ac 2020-01-07 stsp if ((*commit)->author == NULL) {
1329 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1330 ca6e02ac 2020-01-07 stsp goto done;
1331 ca6e02ac 2020-01-07 stsp }
1332 ca6e02ac 2020-01-07 stsp memcpy((*commit)->author, imsg->data + len,
1333 ca6e02ac 2020-01-07 stsp icommit->author_len);
1334 ca6e02ac 2020-01-07 stsp (*commit)->author[icommit->author_len] = '\0';
1335 ca6e02ac 2020-01-07 stsp }
1336 ca6e02ac 2020-01-07 stsp len += icommit->author_len;
1337 bff6ca00 2018-04-23 stsp
1338 ca6e02ac 2020-01-07 stsp if (icommit->committer_len == 0) {
1339 ca6e02ac 2020-01-07 stsp (*commit)->committer = strdup("");
1340 ca6e02ac 2020-01-07 stsp if ((*commit)->committer == NULL) {
1341 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1342 ca6e02ac 2020-01-07 stsp goto done;
1343 ca6e02ac 2020-01-07 stsp }
1344 ca6e02ac 2020-01-07 stsp } else {
1345 ca6e02ac 2020-01-07 stsp (*commit)->committer =
1346 ca6e02ac 2020-01-07 stsp malloc(icommit->committer_len + 1);
1347 ca6e02ac 2020-01-07 stsp if ((*commit)->committer == NULL) {
1348 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1349 ca6e02ac 2020-01-07 stsp goto done;
1350 ca6e02ac 2020-01-07 stsp }
1351 ca6e02ac 2020-01-07 stsp memcpy((*commit)->committer, imsg->data + len,
1352 ca6e02ac 2020-01-07 stsp icommit->committer_len);
1353 ca6e02ac 2020-01-07 stsp (*commit)->committer[icommit->committer_len] = '\0';
1354 ca6e02ac 2020-01-07 stsp }
1355 ca6e02ac 2020-01-07 stsp len += icommit->committer_len;
1356 ca6e02ac 2020-01-07 stsp
1357 ca6e02ac 2020-01-07 stsp if (icommit->logmsg_len == 0) {
1358 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = strdup("");
1359 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1360 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1361 ca6e02ac 2020-01-07 stsp goto done;
1362 ca6e02ac 2020-01-07 stsp }
1363 ca6e02ac 2020-01-07 stsp } else {
1364 ca6e02ac 2020-01-07 stsp size_t offset = 0, remain = icommit->logmsg_len;
1365 ca6e02ac 2020-01-07 stsp
1366 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = malloc(icommit->logmsg_len + 1);
1367 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1368 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1369 ca6e02ac 2020-01-07 stsp goto done;
1370 bff6ca00 2018-04-23 stsp }
1371 ca6e02ac 2020-01-07 stsp while (remain > 0) {
1372 ca6e02ac 2020-01-07 stsp struct imsg imsg_log;
1373 ca6e02ac 2020-01-07 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1374 ca6e02ac 2020-01-07 stsp remain);
1375 6c281f94 2018-06-11 stsp
1376 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1377 ca6e02ac 2020-01-07 stsp if (err)
1378 ca6e02ac 2020-01-07 stsp goto done;
1379 bff6ca00 2018-04-23 stsp
1380 ca6e02ac 2020-01-07 stsp if (imsg_log.hdr.type != GOT_IMSG_COMMIT_LOGMSG) {
1381 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1382 ca6e02ac 2020-01-07 stsp goto done;
1383 bff6ca00 2018-04-23 stsp }
1384 c75f7264 2018-09-11 stsp
1385 ca6e02ac 2020-01-07 stsp memcpy((*commit)->logmsg + offset,
1386 ca6e02ac 2020-01-07 stsp imsg_log.data, n);
1387 ca6e02ac 2020-01-07 stsp imsg_free(&imsg_log);
1388 ca6e02ac 2020-01-07 stsp offset += n;
1389 ca6e02ac 2020-01-07 stsp remain -= n;
1390 bff6ca00 2018-04-23 stsp }
1391 ca6e02ac 2020-01-07 stsp (*commit)->logmsg[icommit->logmsg_len] = '\0';
1392 ca6e02ac 2020-01-07 stsp }
1393 bff6ca00 2018-04-23 stsp
1394 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommit->nparents; i++) {
1395 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
1396 86acc566 2018-04-23 stsp
1397 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
1398 ca6e02ac 2020-01-07 stsp if (err)
1399 ca6e02ac 2020-01-07 stsp break;
1400 d7b5a0e8 2022-04-20 stsp memcpy(&qid->id, imsg->data + len +
1401 d7b5a0e8 2022-04-20 stsp i * SHA1_DIGEST_LENGTH, sizeof(qid->id));
1402 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(&(*commit)->parent_ids, qid, entry);
1403 ca6e02ac 2020-01-07 stsp (*commit)->nparents++;
1404 ca6e02ac 2020-01-07 stsp }
1405 ca6e02ac 2020-01-07 stsp done:
1406 ca6e02ac 2020-01-07 stsp if (err) {
1407 ca6e02ac 2020-01-07 stsp got_object_commit_close(*commit);
1408 ca6e02ac 2020-01-07 stsp *commit = NULL;
1409 ca6e02ac 2020-01-07 stsp }
1410 ca6e02ac 2020-01-07 stsp return err;
1411 ca6e02ac 2020-01-07 stsp }
1412 ca6e02ac 2020-01-07 stsp
1413 ca6e02ac 2020-01-07 stsp const struct got_error *
1414 ca6e02ac 2020-01-07 stsp got_privsep_recv_commit(struct got_commit_object **commit, struct imsgbuf *ibuf)
1415 ca6e02ac 2020-01-07 stsp {
1416 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
1417 ca6e02ac 2020-01-07 stsp struct imsg imsg;
1418 ca6e02ac 2020-01-07 stsp size_t datalen;
1419 ca6e02ac 2020-01-07 stsp const size_t min_datalen =
1420 ca6e02ac 2020-01-07 stsp MIN(sizeof(struct got_imsg_error),
1421 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_object));
1422 ca6e02ac 2020-01-07 stsp
1423 ca6e02ac 2020-01-07 stsp *commit = NULL;
1424 ca6e02ac 2020-01-07 stsp
1425 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1426 ca6e02ac 2020-01-07 stsp if (err)
1427 ca6e02ac 2020-01-07 stsp return err;
1428 ca6e02ac 2020-01-07 stsp
1429 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1430 ca6e02ac 2020-01-07 stsp
1431 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
1432 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
1433 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(commit, &imsg, datalen, ibuf);
1434 2178c42e 2018-04-22 stsp break;
1435 8c580685 2018-04-22 stsp default:
1436 8c580685 2018-04-22 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1437 8c580685 2018-04-22 stsp break;
1438 2178c42e 2018-04-22 stsp }
1439 2178c42e 2018-04-22 stsp
1440 2178c42e 2018-04-22 stsp imsg_free(&imsg);
1441 e033d803 2018-04-23 stsp
1442 e033d803 2018-04-23 stsp return err;
1443 e033d803 2018-04-23 stsp }
1444 e033d803 2018-04-23 stsp
1445 33fd69c2 2022-05-19 stsp static const struct got_error *
1446 33fd69c2 2022-05-19 stsp send_tree_entries(struct imsgbuf *ibuf, struct got_parsed_tree_entry *entries,
1447 33fd69c2 2022-05-19 stsp int idx0, int idxN, size_t len)
1448 e033d803 2018-04-23 stsp {
1449 33fd69c2 2022-05-19 stsp struct ibuf *wbuf;
1450 33fd69c2 2022-05-19 stsp struct got_imsg_tree_entries ientries;
1451 33fd69c2 2022-05-19 stsp int i;
1452 e033d803 2018-04-23 stsp
1453 33fd69c2 2022-05-19 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_ENTRIES, 0, 0, len);
1454 33fd69c2 2022-05-19 stsp if (wbuf == NULL)
1455 33fd69c2 2022-05-19 stsp return got_error_from_errno("imsg_create TREE_ENTRY");
1456 e033d803 2018-04-23 stsp
1457 33fd69c2 2022-05-19 stsp ientries.nentries = idxN - idx0 + 1;
1458 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &ientries, sizeof(ientries)) == -1)
1459 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_ENTRY");
1460 e033d803 2018-04-23 stsp
1461 33fd69c2 2022-05-19 stsp for (i = idx0; i <= idxN; i++) {
1462 33fd69c2 2022-05-19 stsp struct got_parsed_tree_entry *pte = &entries[i];
1463 e033d803 2018-04-23 stsp
1464 3022d272 2019-11-14 stsp /* Keep in sync with struct got_imsg_tree_object definition! */
1465 1453347d 2022-05-19 stsp if (imsg_add(wbuf, pte->id, SHA1_DIGEST_LENGTH) == -1)
1466 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_ENTRY");
1467 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &pte->mode, sizeof(pte->mode)) == -1)
1468 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_ENTRY");
1469 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &pte->namelen, sizeof(pte->namelen)) == -1)
1470 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_ENTRY");
1471 33fd69c2 2022-05-19 stsp
1472 33fd69c2 2022-05-19 stsp /* Remaining bytes are the entry's name. */
1473 1453347d 2022-05-19 stsp if (imsg_add(wbuf, pte->name, pte->namelen) == -1)
1474 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_ENTRY");
1475 33fd69c2 2022-05-19 stsp }
1476 3022d272 2019-11-14 stsp
1477 33fd69c2 2022-05-19 stsp wbuf->fd = -1;
1478 33fd69c2 2022-05-19 stsp imsg_close(ibuf, wbuf);
1479 33fd69c2 2022-05-19 stsp return NULL;
1480 33fd69c2 2022-05-19 stsp }
1481 3022d272 2019-11-14 stsp
1482 33fd69c2 2022-05-19 stsp const struct got_error *
1483 33fd69c2 2022-05-19 stsp got_privsep_send_tree(struct imsgbuf *ibuf,
1484 33fd69c2 2022-05-19 stsp struct got_parsed_tree_entry *entries, int nentries)
1485 33fd69c2 2022-05-19 stsp {
1486 33fd69c2 2022-05-19 stsp const struct got_error *err = NULL;
1487 33fd69c2 2022-05-19 stsp struct got_imsg_tree_object itree;
1488 33fd69c2 2022-05-19 stsp size_t entries_len;
1489 33fd69c2 2022-05-19 stsp int i, j;
1490 33fd69c2 2022-05-19 stsp
1491 33fd69c2 2022-05-19 stsp itree.nentries = nentries;
1492 33fd69c2 2022-05-19 stsp if (imsg_compose(ibuf, GOT_IMSG_TREE, 0, 0, -1, &itree, sizeof(itree))
1493 33fd69c2 2022-05-19 stsp == -1)
1494 33fd69c2 2022-05-19 stsp return got_error_from_errno("imsg_compose TREE");
1495 33fd69c2 2022-05-19 stsp
1496 33fd69c2 2022-05-19 stsp entries_len = sizeof(struct got_imsg_tree_entries);
1497 33fd69c2 2022-05-19 stsp i = 0;
1498 33fd69c2 2022-05-19 stsp for (j = 0; j < nentries; j++) {
1499 33fd69c2 2022-05-19 stsp struct got_parsed_tree_entry *pte = &entries[j];
1500 33fd69c2 2022-05-19 stsp size_t len = sizeof(*pte) + pte->namelen;
1501 33fd69c2 2022-05-19 stsp
1502 33fd69c2 2022-05-19 stsp if (j > 0 &&
1503 33fd69c2 2022-05-19 stsp entries_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1504 33fd69c2 2022-05-19 stsp err = send_tree_entries(ibuf, entries,
1505 33fd69c2 2022-05-19 stsp i, j - 1, entries_len);
1506 33fd69c2 2022-05-19 stsp if (err)
1507 33fd69c2 2022-05-19 stsp return err;
1508 33fd69c2 2022-05-19 stsp i = j;
1509 33fd69c2 2022-05-19 stsp entries_len = sizeof(struct got_imsg_tree_entries);
1510 33fd69c2 2022-05-19 stsp }
1511 33fd69c2 2022-05-19 stsp
1512 33fd69c2 2022-05-19 stsp entries_len += len;
1513 e033d803 2018-04-23 stsp }
1514 e033d803 2018-04-23 stsp
1515 33fd69c2 2022-05-19 stsp if (j > 0) {
1516 33fd69c2 2022-05-19 stsp err = send_tree_entries(ibuf, entries, i, j - 1, entries_len);
1517 33fd69c2 2022-05-19 stsp if (err)
1518 33fd69c2 2022-05-19 stsp return err;
1519 33fd69c2 2022-05-19 stsp }
1520 33fd69c2 2022-05-19 stsp
1521 b00c9821 2018-11-04 stsp return flush_imsg(ibuf);
1522 e033d803 2018-04-23 stsp }
1523 e033d803 2018-04-23 stsp
1524 e033d803 2018-04-23 stsp const struct got_error *
1525 068fd2bf 2018-04-24 stsp got_privsep_recv_tree(struct got_tree_object **tree, struct imsgbuf *ibuf)
1526 e033d803 2018-04-23 stsp {
1527 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
1528 e033d803 2018-04-23 stsp const size_t min_datalen =
1529 e033d803 2018-04-23 stsp MIN(sizeof(struct got_imsg_error),
1530 e033d803 2018-04-23 stsp sizeof(struct got_imsg_tree_object));
1531 291624d8 2018-11-07 stsp struct got_imsg_tree_object *itree;
1532 33fd69c2 2022-05-19 stsp size_t i;
1533 e033d803 2018-04-23 stsp int nentries = 0;
1534 2178c42e 2018-04-22 stsp
1535 e033d803 2018-04-23 stsp *tree = NULL;
1536 7429ae85 2022-05-18 stsp
1537 e033d803 2018-04-23 stsp err = read_imsg(ibuf);
1538 e033d803 2018-04-23 stsp if (err)
1539 1e51f5b9 2018-04-23 stsp goto done;
1540 e033d803 2018-04-23 stsp
1541 656b1f76 2019-05-11 jcs for (;;) {
1542 e033d803 2018-04-23 stsp struct imsg imsg;
1543 e033d803 2018-04-23 stsp size_t n;
1544 e033d803 2018-04-23 stsp size_t datalen;
1545 33fd69c2 2022-05-19 stsp struct got_imsg_tree_entries *ientries;
1546 e033d803 2018-04-23 stsp struct got_tree_entry *te = NULL;
1547 33fd69c2 2022-05-19 stsp size_t te_offset;
1548 e033d803 2018-04-23 stsp
1549 e033d803 2018-04-23 stsp n = imsg_get(ibuf, &imsg);
1550 e033d803 2018-04-23 stsp if (n == 0) {
1551 7429ae85 2022-05-18 stsp if ((*tree)) {
1552 7429ae85 2022-05-18 stsp if (nentries < (*tree)->nentries) {
1553 7429ae85 2022-05-18 stsp err = read_imsg(ibuf);
1554 7429ae85 2022-05-18 stsp if (err)
1555 7429ae85 2022-05-18 stsp break;
1556 7429ae85 2022-05-18 stsp continue;
1557 7429ae85 2022-05-18 stsp } else
1558 7429ae85 2022-05-18 stsp break;
1559 7429ae85 2022-05-18 stsp } else {
1560 7429ae85 2022-05-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1561 7429ae85 2022-05-18 stsp break;
1562 7429ae85 2022-05-18 stsp }
1563 e033d803 2018-04-23 stsp }
1564 e033d803 2018-04-23 stsp
1565 fca1f6ad 2020-08-27 stsp if (imsg.hdr.len < IMSG_HEADER_SIZE + min_datalen) {
1566 fca1f6ad 2020-08-27 stsp imsg_free(&imsg);
1567 fca1f6ad 2020-08-27 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1568 fca1f6ad 2020-08-27 stsp break;
1569 fca1f6ad 2020-08-27 stsp }
1570 e033d803 2018-04-23 stsp
1571 e033d803 2018-04-23 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1572 e033d803 2018-04-23 stsp
1573 e033d803 2018-04-23 stsp switch (imsg.hdr.type) {
1574 e033d803 2018-04-23 stsp case GOT_IMSG_ERROR:
1575 e033d803 2018-04-23 stsp err = recv_imsg_error(&imsg, datalen);
1576 e033d803 2018-04-23 stsp break;
1577 e033d803 2018-04-23 stsp case GOT_IMSG_TREE:
1578 e033d803 2018-04-23 stsp /* This message should only appear once. */
1579 e033d803 2018-04-23 stsp if (*tree != NULL) {
1580 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1581 e033d803 2018-04-23 stsp break;
1582 e033d803 2018-04-23 stsp }
1583 291624d8 2018-11-07 stsp if (datalen != sizeof(*itree)) {
1584 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1585 e033d803 2018-04-23 stsp break;
1586 e033d803 2018-04-23 stsp }
1587 291624d8 2018-11-07 stsp itree = imsg.data;
1588 13fcf1bf 2022-05-18 stsp if (itree->nentries < 0) {
1589 13fcf1bf 2022-05-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1590 13fcf1bf 2022-05-18 stsp break;
1591 13fcf1bf 2022-05-18 stsp }
1592 c3b78ecc 2018-11-07 stsp *tree = malloc(sizeof(**tree));
1593 e033d803 2018-04-23 stsp if (*tree == NULL) {
1594 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1595 e033d803 2018-04-23 stsp break;
1596 e033d803 2018-04-23 stsp }
1597 56e0773d 2019-11-28 stsp (*tree)->entries = calloc(itree->nentries,
1598 56e0773d 2019-11-28 stsp sizeof(struct got_tree_entry));
1599 56e0773d 2019-11-28 stsp if ((*tree)->entries == NULL) {
1600 56e0773d 2019-11-28 stsp err = got_error_from_errno("malloc");
1601 baef4d75 2022-05-18 stsp free(*tree);
1602 baef4d75 2022-05-18 stsp *tree = NULL;
1603 56e0773d 2019-11-28 stsp break;
1604 56e0773d 2019-11-28 stsp }
1605 56e0773d 2019-11-28 stsp (*tree)->nentries = itree->nentries;
1606 c3b78ecc 2018-11-07 stsp (*tree)->refcnt = 0;
1607 e033d803 2018-04-23 stsp break;
1608 33fd69c2 2022-05-19 stsp case GOT_IMSG_TREE_ENTRIES:
1609 e033d803 2018-04-23 stsp /* This message should be preceeded by GOT_IMSG_TREE. */
1610 e033d803 2018-04-23 stsp if (*tree == NULL) {
1611 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1612 e033d803 2018-04-23 stsp break;
1613 e033d803 2018-04-23 stsp }
1614 33fd69c2 2022-05-19 stsp if (datalen <= sizeof(*ientries) ||
1615 33fd69c2 2022-05-19 stsp datalen > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1616 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1617 e033d803 2018-04-23 stsp break;
1618 e033d803 2018-04-23 stsp }
1619 e033d803 2018-04-23 stsp
1620 33fd69c2 2022-05-19 stsp ientries = imsg.data;
1621 33fd69c2 2022-05-19 stsp if (ientries->nentries > INT_MAX) {
1622 33fd69c2 2022-05-19 stsp err = got_error_msg(GOT_ERR_NO_SPACE,
1623 33fd69c2 2022-05-19 stsp "too many tree entries");
1624 e033d803 2018-04-23 stsp break;
1625 e033d803 2018-04-23 stsp }
1626 33fd69c2 2022-05-19 stsp te_offset = sizeof(*ientries);
1627 33fd69c2 2022-05-19 stsp for (i = 0; i < ientries->nentries; i++) {
1628 33fd69c2 2022-05-19 stsp struct got_imsg_tree_entry ite;
1629 33fd69c2 2022-05-19 stsp const char *te_name;
1630 33fd69c2 2022-05-19 stsp uint8_t *buf = imsg.data + te_offset;
1631 052d4dc3 2018-04-23 stsp
1632 33fd69c2 2022-05-19 stsp if (te_offset >= datalen) {
1633 33fd69c2 2022-05-19 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1634 33fd69c2 2022-05-19 stsp break;
1635 33fd69c2 2022-05-19 stsp }
1636 e033d803 2018-04-23 stsp
1637 33fd69c2 2022-05-19 stsp /* Might not be aligned, size is ~32 bytes. */
1638 33fd69c2 2022-05-19 stsp memcpy(&ite, buf, sizeof(ite));
1639 33fd69c2 2022-05-19 stsp
1640 33fd69c2 2022-05-19 stsp if (ite.namelen >= sizeof(te->name)) {
1641 33fd69c2 2022-05-19 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1642 33fd69c2 2022-05-19 stsp break;
1643 33fd69c2 2022-05-19 stsp }
1644 33fd69c2 2022-05-19 stsp if (te_offset + sizeof(ite) + ite.namelen >
1645 33fd69c2 2022-05-19 stsp datalen) {
1646 33fd69c2 2022-05-19 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1647 33fd69c2 2022-05-19 stsp break;
1648 33fd69c2 2022-05-19 stsp }
1649 33fd69c2 2022-05-19 stsp if (nentries >= (*tree)->nentries) {
1650 33fd69c2 2022-05-19 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1651 33fd69c2 2022-05-19 stsp break;
1652 33fd69c2 2022-05-19 stsp }
1653 33fd69c2 2022-05-19 stsp te = &(*tree)->entries[nentries];
1654 33fd69c2 2022-05-19 stsp te_name = buf + sizeof(ite);
1655 33fd69c2 2022-05-19 stsp memcpy(te->name, te_name, ite.namelen);
1656 33fd69c2 2022-05-19 stsp te->name[ite.namelen] = '\0';
1657 33fd69c2 2022-05-19 stsp memcpy(te->id.sha1, ite.id, SHA1_DIGEST_LENGTH);
1658 33fd69c2 2022-05-19 stsp te->mode = ite.mode;
1659 33fd69c2 2022-05-19 stsp te->idx = nentries;
1660 33fd69c2 2022-05-19 stsp nentries++;
1661 33fd69c2 2022-05-19 stsp
1662 33fd69c2 2022-05-19 stsp te_offset += sizeof(ite) + ite.namelen;
1663 33fd69c2 2022-05-19 stsp }
1664 e033d803 2018-04-23 stsp break;
1665 e033d803 2018-04-23 stsp default:
1666 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1667 e033d803 2018-04-23 stsp break;
1668 e033d803 2018-04-23 stsp }
1669 e033d803 2018-04-23 stsp
1670 e033d803 2018-04-23 stsp imsg_free(&imsg);
1671 d6b7d054 2020-08-27 stsp if (err)
1672 d6b7d054 2020-08-27 stsp break;
1673 e033d803 2018-04-23 stsp }
1674 1e51f5b9 2018-04-23 stsp done:
1675 56e0773d 2019-11-28 stsp if (*tree && (*tree)->nentries != nentries) {
1676 1e51f5b9 2018-04-23 stsp if (err == NULL)
1677 1e51f5b9 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1678 e033d803 2018-04-23 stsp got_object_tree_close(*tree);
1679 e033d803 2018-04-23 stsp *tree = NULL;
1680 ff6b18f8 2018-04-24 stsp }
1681 ff6b18f8 2018-04-24 stsp
1682 ff6b18f8 2018-04-24 stsp return err;
1683 ff6b18f8 2018-04-24 stsp }
1684 ff6b18f8 2018-04-24 stsp
1685 ff6b18f8 2018-04-24 stsp const struct got_error *
1686 ac544f8c 2019-01-13 stsp got_privsep_send_blob(struct imsgbuf *ibuf, size_t size, size_t hdrlen,
1687 ac544f8c 2019-01-13 stsp const uint8_t *data)
1688 ff6b18f8 2018-04-24 stsp {
1689 2967a784 2018-04-24 stsp struct got_imsg_blob iblob;
1690 2967a784 2018-04-24 stsp
1691 2967a784 2018-04-24 stsp iblob.size = size;
1692 ebc55e2d 2018-12-24 stsp iblob.hdrlen = hdrlen;
1693 2967a784 2018-04-24 stsp
1694 ac544f8c 2019-01-13 stsp if (data) {
1695 ac544f8c 2019-01-13 stsp uint8_t *buf;
1696 ac544f8c 2019-01-13 stsp
1697 ac544f8c 2019-01-13 stsp if (size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX)
1698 ac544f8c 2019-01-13 stsp return got_error(GOT_ERR_NO_SPACE);
1699 ac544f8c 2019-01-13 stsp
1700 ac544f8c 2019-01-13 stsp buf = malloc(sizeof(iblob) + size);
1701 ac544f8c 2019-01-13 stsp if (buf == NULL)
1702 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1703 ff6b18f8 2018-04-24 stsp
1704 ac544f8c 2019-01-13 stsp memcpy(buf, &iblob, sizeof(iblob));
1705 ac544f8c 2019-01-13 stsp memcpy(buf + sizeof(iblob), data, size);
1706 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, buf,
1707 62d463ca 2020-10-20 naddy sizeof(iblob) + size) == -1) {
1708 ac544f8c 2019-01-13 stsp free(buf);
1709 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1710 ac544f8c 2019-01-13 stsp }
1711 ac544f8c 2019-01-13 stsp free(buf);
1712 ac544f8c 2019-01-13 stsp } else {
1713 ac544f8c 2019-01-13 stsp /* Data has already been written to file descriptor. */
1714 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, &iblob,
1715 ac544f8c 2019-01-13 stsp sizeof(iblob)) == -1)
1716 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1717 ac544f8c 2019-01-13 stsp }
1718 ac544f8c 2019-01-13 stsp
1719 ac544f8c 2019-01-13 stsp
1720 ff6b18f8 2018-04-24 stsp return flush_imsg(ibuf);
1721 ff6b18f8 2018-04-24 stsp }
1722 ff6b18f8 2018-04-24 stsp
1723 ff6b18f8 2018-04-24 stsp const struct got_error *
1724 ac544f8c 2019-01-13 stsp got_privsep_recv_blob(uint8_t **outbuf, size_t *size, size_t *hdrlen,
1725 ac544f8c 2019-01-13 stsp struct imsgbuf *ibuf)
1726 ff6b18f8 2018-04-24 stsp {
1727 ff6b18f8 2018-04-24 stsp const struct got_error *err = NULL;
1728 ff6b18f8 2018-04-24 stsp struct imsg imsg;
1729 291624d8 2018-11-07 stsp struct got_imsg_blob *iblob;
1730 ff6b18f8 2018-04-24 stsp size_t datalen;
1731 ff6b18f8 2018-04-24 stsp
1732 ac544f8c 2019-01-13 stsp *outbuf = NULL;
1733 ac544f8c 2019-01-13 stsp
1734 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1735 ff6b18f8 2018-04-24 stsp if (err)
1736 ff6b18f8 2018-04-24 stsp return err;
1737 ff6b18f8 2018-04-24 stsp
1738 ff6b18f8 2018-04-24 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1739 ff6b18f8 2018-04-24 stsp
1740 ff6b18f8 2018-04-24 stsp switch (imsg.hdr.type) {
1741 ff6b18f8 2018-04-24 stsp case GOT_IMSG_BLOB:
1742 ac544f8c 2019-01-13 stsp if (datalen < sizeof(*iblob)) {
1743 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1744 18336eed 2018-11-04 stsp break;
1745 18336eed 2018-11-04 stsp }
1746 291624d8 2018-11-07 stsp iblob = imsg.data;
1747 291624d8 2018-11-07 stsp *size = iblob->size;
1748 ebc55e2d 2018-12-24 stsp *hdrlen = iblob->hdrlen;
1749 ac544f8c 2019-01-13 stsp
1750 ac544f8c 2019-01-13 stsp if (datalen == sizeof(*iblob)) {
1751 ac544f8c 2019-01-13 stsp /* Data has been written to file descriptor. */
1752 ac544f8c 2019-01-13 stsp break;
1753 ac544f8c 2019-01-13 stsp }
1754 ac544f8c 2019-01-13 stsp
1755 ac544f8c 2019-01-13 stsp if (*size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX) {
1756 ac544f8c 2019-01-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1757 ac544f8c 2019-01-13 stsp break;
1758 ac544f8c 2019-01-13 stsp }
1759 ac544f8c 2019-01-13 stsp
1760 ac544f8c 2019-01-13 stsp *outbuf = malloc(*size);
1761 ac544f8c 2019-01-13 stsp if (*outbuf == NULL) {
1762 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1763 ac544f8c 2019-01-13 stsp break;
1764 ac544f8c 2019-01-13 stsp }
1765 ac544f8c 2019-01-13 stsp memcpy(*outbuf, imsg.data + sizeof(*iblob), *size);
1766 f4a881ce 2018-11-17 stsp break;
1767 f4a881ce 2018-11-17 stsp default:
1768 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1769 f4a881ce 2018-11-17 stsp break;
1770 f4a881ce 2018-11-17 stsp }
1771 f4a881ce 2018-11-17 stsp
1772 f4a881ce 2018-11-17 stsp imsg_free(&imsg);
1773 f4a881ce 2018-11-17 stsp
1774 f4a881ce 2018-11-17 stsp return err;
1775 f4a881ce 2018-11-17 stsp }
1776 f4a881ce 2018-11-17 stsp
1777 f4a881ce 2018-11-17 stsp static const struct got_error *
1778 f4a881ce 2018-11-17 stsp send_tagmsg(struct imsgbuf *ibuf, struct got_tag_object *tag, size_t tagmsg_len)
1779 f4a881ce 2018-11-17 stsp {
1780 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1781 f4a881ce 2018-11-17 stsp size_t offset, remain;
1782 f4a881ce 2018-11-17 stsp
1783 f4a881ce 2018-11-17 stsp offset = 0;
1784 f4a881ce 2018-11-17 stsp remain = tagmsg_len;
1785 f4a881ce 2018-11-17 stsp while (remain > 0) {
1786 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1787 f4a881ce 2018-11-17 stsp
1788 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_TAGMSG, 0, 0, -1,
1789 f4a881ce 2018-11-17 stsp tag->tagmsg + offset, n) == -1) {
1790 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG_TAGMSG");
1791 f4a881ce 2018-11-17 stsp break;
1792 f4a881ce 2018-11-17 stsp }
1793 f4a881ce 2018-11-17 stsp
1794 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1795 f4a881ce 2018-11-17 stsp if (err)
1796 f4a881ce 2018-11-17 stsp break;
1797 f4a881ce 2018-11-17 stsp
1798 f4a881ce 2018-11-17 stsp offset += n;
1799 f4a881ce 2018-11-17 stsp remain -= n;
1800 f4a881ce 2018-11-17 stsp }
1801 f4a881ce 2018-11-17 stsp
1802 f4a881ce 2018-11-17 stsp return err;
1803 f4a881ce 2018-11-17 stsp }
1804 f4a881ce 2018-11-17 stsp
1805 f4a881ce 2018-11-17 stsp const struct got_error *
1806 f4a881ce 2018-11-17 stsp got_privsep_send_tag(struct imsgbuf *ibuf, struct got_tag_object *tag)
1807 f4a881ce 2018-11-17 stsp {
1808 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1809 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1810 f4a881ce 2018-11-17 stsp uint8_t *buf;
1811 f4a881ce 2018-11-17 stsp size_t len, total;
1812 f4a881ce 2018-11-17 stsp size_t tag_len = strlen(tag->tag);
1813 f4a881ce 2018-11-17 stsp size_t tagger_len = strlen(tag->tagger);
1814 f4a881ce 2018-11-17 stsp size_t tagmsg_len = strlen(tag->tagmsg);
1815 f4a881ce 2018-11-17 stsp
1816 f4a881ce 2018-11-17 stsp total = sizeof(*itag) + tag_len + tagger_len + tagmsg_len;
1817 f4a881ce 2018-11-17 stsp
1818 f4a881ce 2018-11-17 stsp buf = malloc(total);
1819 f4a881ce 2018-11-17 stsp if (buf == NULL)
1820 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1821 f4a881ce 2018-11-17 stsp
1822 f4a881ce 2018-11-17 stsp itag = (struct got_imsg_tag_object *)buf;
1823 f4a881ce 2018-11-17 stsp memcpy(itag->id, tag->id.sha1, sizeof(itag->id));
1824 f4a881ce 2018-11-17 stsp itag->obj_type = tag->obj_type;
1825 f4a881ce 2018-11-17 stsp itag->tag_len = tag_len;
1826 f4a881ce 2018-11-17 stsp itag->tagger_len = tagger_len;
1827 f4a881ce 2018-11-17 stsp itag->tagger_time = tag->tagger_time;
1828 f4a881ce 2018-11-17 stsp itag->tagger_gmtoff = tag->tagger_gmtoff;
1829 f4a881ce 2018-11-17 stsp itag->tagmsg_len = tagmsg_len;
1830 f4a881ce 2018-11-17 stsp
1831 f4a881ce 2018-11-17 stsp len = sizeof(*itag);
1832 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tag, tag_len);
1833 f4a881ce 2018-11-17 stsp len += tag_len;
1834 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tagger, tagger_len);
1835 f4a881ce 2018-11-17 stsp len += tagger_len;
1836 f4a881ce 2018-11-17 stsp
1837 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG, 0, 0, -1, buf, len) == -1) {
1838 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG");
1839 f4a881ce 2018-11-17 stsp goto done;
1840 f4a881ce 2018-11-17 stsp }
1841 f4a881ce 2018-11-17 stsp
1842 f4a881ce 2018-11-17 stsp if (tagmsg_len == 0 ||
1843 f4a881ce 2018-11-17 stsp tagmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1844 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1845 f4a881ce 2018-11-17 stsp if (err)
1846 f4a881ce 2018-11-17 stsp goto done;
1847 f4a881ce 2018-11-17 stsp }
1848 f4a881ce 2018-11-17 stsp err = send_tagmsg(ibuf, tag, tagmsg_len);
1849 f4a881ce 2018-11-17 stsp done:
1850 f4a881ce 2018-11-17 stsp free(buf);
1851 f4a881ce 2018-11-17 stsp return err;
1852 f4a881ce 2018-11-17 stsp }
1853 f4a881ce 2018-11-17 stsp
1854 f4a881ce 2018-11-17 stsp const struct got_error *
1855 f4a881ce 2018-11-17 stsp got_privsep_recv_tag(struct got_tag_object **tag, struct imsgbuf *ibuf)
1856 f4a881ce 2018-11-17 stsp {
1857 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1858 f4a881ce 2018-11-17 stsp struct imsg imsg;
1859 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1860 f4a881ce 2018-11-17 stsp size_t len, datalen;
1861 f4a881ce 2018-11-17 stsp const size_t min_datalen =
1862 f4a881ce 2018-11-17 stsp MIN(sizeof(struct got_imsg_error),
1863 f4a881ce 2018-11-17 stsp sizeof(struct got_imsg_tag_object));
1864 f4a881ce 2018-11-17 stsp
1865 f4a881ce 2018-11-17 stsp *tag = NULL;
1866 f4a881ce 2018-11-17 stsp
1867 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1868 f4a881ce 2018-11-17 stsp if (err)
1869 f4a881ce 2018-11-17 stsp return err;
1870 f4a881ce 2018-11-17 stsp
1871 f4a881ce 2018-11-17 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1872 f4a881ce 2018-11-17 stsp len = 0;
1873 f4a881ce 2018-11-17 stsp
1874 f4a881ce 2018-11-17 stsp switch (imsg.hdr.type) {
1875 f4a881ce 2018-11-17 stsp case GOT_IMSG_TAG:
1876 f4a881ce 2018-11-17 stsp if (datalen < sizeof(*itag)) {
1877 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1878 f4a881ce 2018-11-17 stsp break;
1879 f4a881ce 2018-11-17 stsp }
1880 f4a881ce 2018-11-17 stsp itag = imsg.data;
1881 f4a881ce 2018-11-17 stsp if (datalen != sizeof(*itag) + itag->tag_len +
1882 f4a881ce 2018-11-17 stsp itag->tagger_len) {
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 len += sizeof(*itag);
1887 f4a881ce 2018-11-17 stsp
1888 f4a881ce 2018-11-17 stsp *tag = calloc(1, sizeof(**tag));
1889 f4a881ce 2018-11-17 stsp if (*tag == NULL) {
1890 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
1891 f4a881ce 2018-11-17 stsp break;
1892 f4a881ce 2018-11-17 stsp }
1893 f4a881ce 2018-11-17 stsp
1894 f4a881ce 2018-11-17 stsp memcpy((*tag)->id.sha1, itag->id, SHA1_DIGEST_LENGTH);
1895 f4a881ce 2018-11-17 stsp
1896 f4a881ce 2018-11-17 stsp if (itag->tag_len == 0) {
1897 f4a881ce 2018-11-17 stsp (*tag)->tag = strdup("");
1898 f4a881ce 2018-11-17 stsp if ((*tag)->tag == NULL) {
1899 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1900 f4a881ce 2018-11-17 stsp break;
1901 f4a881ce 2018-11-17 stsp }
1902 f4a881ce 2018-11-17 stsp } else {
1903 f4a881ce 2018-11-17 stsp (*tag)->tag = malloc(itag->tag_len + 1);
1904 f4a881ce 2018-11-17 stsp if ((*tag)->tag == NULL) {
1905 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1906 f4a881ce 2018-11-17 stsp break;
1907 f4a881ce 2018-11-17 stsp }
1908 f4a881ce 2018-11-17 stsp memcpy((*tag)->tag, imsg.data + len,
1909 f4a881ce 2018-11-17 stsp itag->tag_len);
1910 f4a881ce 2018-11-17 stsp (*tag)->tag[itag->tag_len] = '\0';
1911 f4a881ce 2018-11-17 stsp }
1912 f4a881ce 2018-11-17 stsp len += itag->tag_len;
1913 f4a881ce 2018-11-17 stsp
1914 f4a881ce 2018-11-17 stsp (*tag)->obj_type = itag->obj_type;
1915 f4a881ce 2018-11-17 stsp (*tag)->tagger_time = itag->tagger_time;
1916 f4a881ce 2018-11-17 stsp (*tag)->tagger_gmtoff = itag->tagger_gmtoff;
1917 f4a881ce 2018-11-17 stsp
1918 f4a881ce 2018-11-17 stsp if (itag->tagger_len == 0) {
1919 f4a881ce 2018-11-17 stsp (*tag)->tagger = strdup("");
1920 f4a881ce 2018-11-17 stsp if ((*tag)->tagger == NULL) {
1921 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1922 f4a881ce 2018-11-17 stsp break;
1923 f4a881ce 2018-11-17 stsp }
1924 f4a881ce 2018-11-17 stsp } else {
1925 f4a881ce 2018-11-17 stsp (*tag)->tagger = malloc(itag->tagger_len + 1);
1926 f4a881ce 2018-11-17 stsp if ((*tag)->tagger == NULL) {
1927 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1928 f4a881ce 2018-11-17 stsp break;
1929 f4a881ce 2018-11-17 stsp }
1930 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagger, imsg.data + len,
1931 f4a881ce 2018-11-17 stsp itag->tagger_len);
1932 f4a881ce 2018-11-17 stsp (*tag)->tagger[itag->tagger_len] = '\0';
1933 f4a881ce 2018-11-17 stsp }
1934 f4a881ce 2018-11-17 stsp len += itag->tagger_len;
1935 f4a881ce 2018-11-17 stsp
1936 f4a881ce 2018-11-17 stsp if (itag->tagmsg_len == 0) {
1937 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = strdup("");
1938 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1939 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1940 f4a881ce 2018-11-17 stsp break;
1941 f4a881ce 2018-11-17 stsp }
1942 f4a881ce 2018-11-17 stsp } else {
1943 f4a881ce 2018-11-17 stsp size_t offset = 0, remain = itag->tagmsg_len;
1944 f4a881ce 2018-11-17 stsp
1945 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = malloc(itag->tagmsg_len + 1);
1946 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1947 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1948 f4a881ce 2018-11-17 stsp break;
1949 f4a881ce 2018-11-17 stsp }
1950 f4a881ce 2018-11-17 stsp while (remain > 0) {
1951 f4a881ce 2018-11-17 stsp struct imsg imsg_log;
1952 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1953 f4a881ce 2018-11-17 stsp remain);
1954 f4a881ce 2018-11-17 stsp
1955 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1956 f4a881ce 2018-11-17 stsp if (err)
1957 f4a881ce 2018-11-17 stsp return err;
1958 f4a881ce 2018-11-17 stsp
1959 f4a881ce 2018-11-17 stsp if (imsg_log.hdr.type != GOT_IMSG_TAG_TAGMSG)
1960 f4a881ce 2018-11-17 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
1961 f4a881ce 2018-11-17 stsp
1962 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagmsg + offset, imsg_log.data,
1963 f4a881ce 2018-11-17 stsp n);
1964 f4a881ce 2018-11-17 stsp imsg_free(&imsg_log);
1965 f4a881ce 2018-11-17 stsp offset += n;
1966 f4a881ce 2018-11-17 stsp remain -= n;
1967 f4a881ce 2018-11-17 stsp }
1968 f4a881ce 2018-11-17 stsp (*tag)->tagmsg[itag->tagmsg_len] = '\0';
1969 f4a881ce 2018-11-17 stsp }
1970 f4a881ce 2018-11-17 stsp
1971 ff6b18f8 2018-04-24 stsp break;
1972 ff6b18f8 2018-04-24 stsp default:
1973 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1974 ff6b18f8 2018-04-24 stsp break;
1975 e033d803 2018-04-23 stsp }
1976 e033d803 2018-04-23 stsp
1977 ff6b18f8 2018-04-24 stsp imsg_free(&imsg);
1978 ff6b18f8 2018-04-24 stsp
1979 2178c42e 2018-04-22 stsp return err;
1980 2178c42e 2018-04-22 stsp }
1981 876c234b 2018-09-10 stsp
1982 876c234b 2018-09-10 stsp const struct got_error *
1983 876c234b 2018-09-10 stsp got_privsep_init_pack_child(struct imsgbuf *ibuf, struct got_pack *pack,
1984 876c234b 2018-09-10 stsp struct got_packidx *packidx)
1985 876c234b 2018-09-10 stsp {
1986 41496140 2019-02-21 stsp const struct got_error *err = NULL;
1987 876c234b 2018-09-10 stsp struct got_imsg_packidx ipackidx;
1988 876c234b 2018-09-10 stsp struct got_imsg_pack ipack;
1989 876c234b 2018-09-10 stsp int fd;
1990 876c234b 2018-09-10 stsp
1991 876c234b 2018-09-10 stsp ipackidx.len = packidx->len;
1992 c3564dfa 2021-07-15 stsp ipackidx.packfile_size = pack->filesize;
1993 876c234b 2018-09-10 stsp fd = dup(packidx->fd);
1994 876c234b 2018-09-10 stsp if (fd == -1)
1995 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1996 876c234b 2018-09-10 stsp
1997 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKIDX, 0, 0, fd, &ipackidx,
1998 41496140 2019-02-21 stsp sizeof(ipackidx)) == -1) {
1999 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACKIDX");
2000 41496140 2019-02-21 stsp close(fd);
2001 41496140 2019-02-21 stsp return err;
2002 41496140 2019-02-21 stsp }
2003 876c234b 2018-09-10 stsp
2004 876c234b 2018-09-10 stsp if (strlcpy(ipack.path_packfile, pack->path_packfile,
2005 876c234b 2018-09-10 stsp sizeof(ipack.path_packfile)) >= sizeof(ipack.path_packfile))
2006 876c234b 2018-09-10 stsp return got_error(GOT_ERR_NO_SPACE);
2007 876c234b 2018-09-10 stsp ipack.filesize = pack->filesize;
2008 876c234b 2018-09-10 stsp
2009 876c234b 2018-09-10 stsp fd = dup(pack->fd);
2010 876c234b 2018-09-10 stsp if (fd == -1)
2011 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
2012 876c234b 2018-09-10 stsp
2013 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACK, 0, 0, fd, &ipack, sizeof(ipack))
2014 41496140 2019-02-21 stsp == -1) {
2015 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACK");
2016 41496140 2019-02-21 stsp close(fd);
2017 41496140 2019-02-21 stsp return err;
2018 41496140 2019-02-21 stsp }
2019 876c234b 2018-09-10 stsp
2020 876c234b 2018-09-10 stsp return flush_imsg(ibuf);
2021 876c234b 2018-09-10 stsp }
2022 876c234b 2018-09-10 stsp
2023 876c234b 2018-09-10 stsp const struct got_error *
2024 106807b4 2018-09-15 stsp got_privsep_send_packed_obj_req(struct imsgbuf *ibuf, int idx,
2025 106807b4 2018-09-15 stsp struct got_object_id *id)
2026 876c234b 2018-09-10 stsp {
2027 876c234b 2018-09-10 stsp struct got_imsg_packed_object iobj;
2028 876c234b 2018-09-10 stsp
2029 876c234b 2018-09-10 stsp iobj.idx = idx;
2030 106807b4 2018-09-15 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
2031 876c234b 2018-09-10 stsp
2032 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_OBJECT_REQUEST, 0, 0, -1,
2033 876c234b 2018-09-10 stsp &iobj, sizeof(iobj)) == -1)
2034 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose "
2035 230a42bd 2019-05-11 jcs "PACKED_OBJECT_REQUEST");
2036 aba9c984 2019-09-08 stsp
2037 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2038 aba9c984 2019-09-08 stsp }
2039 aba9c984 2019-09-08 stsp
2040 aba9c984 2019-09-08 stsp const struct got_error *
2041 59d1e4a0 2021-03-10 stsp got_privsep_send_packed_raw_obj_req(struct imsgbuf *ibuf, int idx,
2042 59d1e4a0 2021-03-10 stsp struct got_object_id *id)
2043 59d1e4a0 2021-03-10 stsp {
2044 59d1e4a0 2021-03-10 stsp struct got_imsg_packed_object iobj;
2045 59d1e4a0 2021-03-10 stsp
2046 59d1e4a0 2021-03-10 stsp iobj.idx = idx;
2047 59d1e4a0 2021-03-10 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
2048 59d1e4a0 2021-03-10 stsp
2049 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_RAW_OBJECT_REQUEST, 0, 0, -1,
2050 59d1e4a0 2021-03-10 stsp &iobj, sizeof(iobj)) == -1)
2051 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose "
2052 59d1e4a0 2021-03-10 stsp "PACKED_OBJECT_REQUEST");
2053 59d1e4a0 2021-03-10 stsp
2054 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
2055 59d1e4a0 2021-03-10 stsp }
2056 59d1e4a0 2021-03-10 stsp
2057 59d1e4a0 2021-03-10 stsp const struct got_error *
2058 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_parse_req(struct imsgbuf *ibuf, int fd)
2059 aba9c984 2019-09-08 stsp {
2060 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2061 aba9c984 2019-09-08 stsp
2062 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_PARSE_REQUEST, 0, 0, fd,
2063 aba9c984 2019-09-08 stsp NULL, 0) == -1) {
2064 aba9c984 2019-09-08 stsp err = got_error_from_errno("imsg_compose "
2065 aba9c984 2019-09-08 stsp "GITCONFIG_PARSE_REQUEST");
2066 aba9c984 2019-09-08 stsp close(fd);
2067 aba9c984 2019-09-08 stsp return err;
2068 aba9c984 2019-09-08 stsp }
2069 aba9c984 2019-09-08 stsp
2070 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2071 aba9c984 2019-09-08 stsp }
2072 aba9c984 2019-09-08 stsp
2073 aba9c984 2019-09-08 stsp const struct got_error *
2074 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_repository_format_version_req(struct imsgbuf *ibuf)
2075 aba9c984 2019-09-08 stsp {
2076 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2077 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST, 0, 0, -1,
2078 aba9c984 2019-09-08 stsp NULL, 0) == -1)
2079 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2080 aba9c984 2019-09-08 stsp "GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST");
2081 aba9c984 2019-09-08 stsp
2082 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2083 aba9c984 2019-09-08 stsp }
2084 aba9c984 2019-09-08 stsp
2085 aba9c984 2019-09-08 stsp const struct got_error *
2086 20b7abb3 2020-10-22 stsp got_privsep_send_gitconfig_repository_extensions_req(struct imsgbuf *ibuf)
2087 20b7abb3 2020-10-22 stsp {
2088 20b7abb3 2020-10-22 stsp if (imsg_compose(ibuf,
2089 20b7abb3 2020-10-22 stsp GOT_IMSG_GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST, 0, 0, -1,
2090 20b7abb3 2020-10-22 stsp NULL, 0) == -1)
2091 20b7abb3 2020-10-22 stsp return got_error_from_errno("imsg_compose "
2092 20b7abb3 2020-10-22 stsp "GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST");
2093 20b7abb3 2020-10-22 stsp
2094 20b7abb3 2020-10-22 stsp return flush_imsg(ibuf);
2095 20b7abb3 2020-10-22 stsp }
2096 20b7abb3 2020-10-22 stsp
2097 20b7abb3 2020-10-22 stsp
2098 20b7abb3 2020-10-22 stsp const struct got_error *
2099 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_name_req(struct imsgbuf *ibuf)
2100 aba9c984 2019-09-08 stsp {
2101 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2102 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_NAME_REQUEST, 0, 0, -1, NULL, 0) == -1)
2103 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2104 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_NAME_REQUEST");
2105 aba9c984 2019-09-08 stsp
2106 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2107 aba9c984 2019-09-08 stsp }
2108 aba9c984 2019-09-08 stsp
2109 aba9c984 2019-09-08 stsp const struct got_error *
2110 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_email_req(struct imsgbuf *ibuf)
2111 aba9c984 2019-09-08 stsp {
2112 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2113 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_EMAIL_REQUEST, 0, 0, -1, NULL, 0) == -1)
2114 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2115 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_EMAIL_REQUEST");
2116 cd95becd 2019-11-29 stsp
2117 cd95becd 2019-11-29 stsp return flush_imsg(ibuf);
2118 cd95becd 2019-11-29 stsp }
2119 cd95becd 2019-11-29 stsp
2120 cd95becd 2019-11-29 stsp const struct got_error *
2121 cd95becd 2019-11-29 stsp got_privsep_send_gitconfig_remotes_req(struct imsgbuf *ibuf)
2122 cd95becd 2019-11-29 stsp {
2123 cd95becd 2019-11-29 stsp if (imsg_compose(ibuf,
2124 cd95becd 2019-11-29 stsp GOT_IMSG_GITCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2125 cd95becd 2019-11-29 stsp return got_error_from_errno("imsg_compose "
2126 cd95becd 2019-11-29 stsp "GITCONFIG_REMOTE_REQUEST");
2127 aba9c984 2019-09-08 stsp
2128 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2129 aba9c984 2019-09-08 stsp }
2130 aba9c984 2019-09-08 stsp
2131 aba9c984 2019-09-08 stsp const struct got_error *
2132 9a1cc63f 2020-02-03 stsp got_privsep_send_gitconfig_owner_req(struct imsgbuf *ibuf)
2133 9a1cc63f 2020-02-03 stsp {
2134 9a1cc63f 2020-02-03 stsp if (imsg_compose(ibuf,
2135 9a1cc63f 2020-02-03 stsp GOT_IMSG_GITCONFIG_OWNER_REQUEST, 0, 0, -1, NULL, 0) == -1)
2136 9a1cc63f 2020-02-03 stsp return got_error_from_errno("imsg_compose "
2137 9a1cc63f 2020-02-03 stsp "GITCONFIG_OWNER_REQUEST");
2138 9a1cc63f 2020-02-03 stsp
2139 9a1cc63f 2020-02-03 stsp return flush_imsg(ibuf);
2140 9a1cc63f 2020-02-03 stsp }
2141 9a1cc63f 2020-02-03 stsp
2142 9a1cc63f 2020-02-03 stsp const struct got_error *
2143 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_str(char **str, struct imsgbuf *ibuf)
2144 aba9c984 2019-09-08 stsp {
2145 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2146 aba9c984 2019-09-08 stsp struct imsg imsg;
2147 aba9c984 2019-09-08 stsp size_t datalen;
2148 aba9c984 2019-09-08 stsp const size_t min_datalen = 0;
2149 aba9c984 2019-09-08 stsp
2150 aba9c984 2019-09-08 stsp *str = NULL;
2151 aba9c984 2019-09-08 stsp
2152 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2153 aba9c984 2019-09-08 stsp if (err)
2154 aba9c984 2019-09-08 stsp return err;
2155 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2156 aba9c984 2019-09-08 stsp
2157 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2158 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_STR_VAL:
2159 aba9c984 2019-09-08 stsp if (datalen == 0)
2160 aba9c984 2019-09-08 stsp break;
2161 6c13dcd2 2020-09-18 stsp /* datalen does not include terminating \0 */
2162 6c13dcd2 2020-09-18 stsp *str = malloc(datalen + 1);
2163 aba9c984 2019-09-08 stsp if (*str == NULL) {
2164 aba9c984 2019-09-08 stsp err = got_error_from_errno("malloc");
2165 aba9c984 2019-09-08 stsp break;
2166 aba9c984 2019-09-08 stsp }
2167 6c13dcd2 2020-09-18 stsp memcpy(*str, imsg.data, datalen);
2168 6c13dcd2 2020-09-18 stsp (*str)[datalen] = '\0';
2169 aba9c984 2019-09-08 stsp break;
2170 aba9c984 2019-09-08 stsp default:
2171 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2172 aba9c984 2019-09-08 stsp break;
2173 aba9c984 2019-09-08 stsp }
2174 876c234b 2018-09-10 stsp
2175 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2176 aba9c984 2019-09-08 stsp return err;
2177 aba9c984 2019-09-08 stsp }
2178 aba9c984 2019-09-08 stsp
2179 aba9c984 2019-09-08 stsp const struct got_error *
2180 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_int(int *val, struct imsgbuf *ibuf)
2181 aba9c984 2019-09-08 stsp {
2182 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2183 aba9c984 2019-09-08 stsp struct imsg imsg;
2184 aba9c984 2019-09-08 stsp size_t datalen;
2185 aba9c984 2019-09-08 stsp const size_t min_datalen =
2186 aba9c984 2019-09-08 stsp MIN(sizeof(struct got_imsg_error), sizeof(int));
2187 aba9c984 2019-09-08 stsp
2188 aba9c984 2019-09-08 stsp *val = 0;
2189 aba9c984 2019-09-08 stsp
2190 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2191 aba9c984 2019-09-08 stsp if (err)
2192 aba9c984 2019-09-08 stsp return err;
2193 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2194 aba9c984 2019-09-08 stsp
2195 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2196 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_INT_VAL:
2197 aba9c984 2019-09-08 stsp if (datalen != sizeof(*val)) {
2198 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2199 aba9c984 2019-09-08 stsp break;
2200 aba9c984 2019-09-08 stsp }
2201 aba9c984 2019-09-08 stsp memcpy(val, imsg.data, sizeof(*val));
2202 cd95becd 2019-11-29 stsp break;
2203 cd95becd 2019-11-29 stsp default:
2204 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2205 cd95becd 2019-11-29 stsp break;
2206 cd95becd 2019-11-29 stsp }
2207 cd95becd 2019-11-29 stsp
2208 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2209 cd95becd 2019-11-29 stsp return err;
2210 b8adfa55 2020-09-25 stsp }
2211 b8adfa55 2020-09-25 stsp
2212 b8adfa55 2020-09-25 stsp static void
2213 b8adfa55 2020-09-25 stsp free_remote_data(struct got_remote_repo *remote)
2214 b8adfa55 2020-09-25 stsp {
2215 b8adfa55 2020-09-25 stsp int i;
2216 b8adfa55 2020-09-25 stsp
2217 b8adfa55 2020-09-25 stsp free(remote->name);
2218 6480c871 2021-08-30 stsp free(remote->fetch_url);
2219 6480c871 2021-08-30 stsp free(remote->send_url);
2220 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_branches; i++)
2221 6480c871 2021-08-30 stsp free(remote->fetch_branches[i]);
2222 6480c871 2021-08-30 stsp free(remote->fetch_branches);
2223 6480c871 2021-08-30 stsp for (i = 0; i < remote->nsend_branches; i++)
2224 6480c871 2021-08-30 stsp free(remote->send_branches[i]);
2225 6480c871 2021-08-30 stsp free(remote->send_branches);
2226 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_refs; i++)
2227 6480c871 2021-08-30 stsp free(remote->fetch_refs[i]);
2228 6480c871 2021-08-30 stsp free(remote->fetch_refs);
2229 cd95becd 2019-11-29 stsp }
2230 cd95becd 2019-11-29 stsp
2231 cd95becd 2019-11-29 stsp const struct got_error *
2232 cd95becd 2019-11-29 stsp got_privsep_recv_gitconfig_remotes(struct got_remote_repo **remotes,
2233 cd95becd 2019-11-29 stsp int *nremotes, struct imsgbuf *ibuf)
2234 cd95becd 2019-11-29 stsp {
2235 cd95becd 2019-11-29 stsp const struct got_error *err = NULL;
2236 cd95becd 2019-11-29 stsp struct imsg imsg;
2237 cd95becd 2019-11-29 stsp size_t datalen;
2238 cd95becd 2019-11-29 stsp struct got_imsg_remotes iremotes;
2239 cd95becd 2019-11-29 stsp struct got_imsg_remote iremote;
2240 cd95becd 2019-11-29 stsp
2241 cd95becd 2019-11-29 stsp *remotes = NULL;
2242 cd95becd 2019-11-29 stsp *nremotes = 0;
2243 d669b9c9 2020-02-22 stsp iremotes.nremotes = 0;
2244 cd95becd 2019-11-29 stsp
2245 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremotes));
2246 cd95becd 2019-11-29 stsp if (err)
2247 cd95becd 2019-11-29 stsp return err;
2248 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2249 cd95becd 2019-11-29 stsp
2250 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2251 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTES:
2252 cd95becd 2019-11-29 stsp if (datalen != sizeof(iremotes)) {
2253 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2254 cd95becd 2019-11-29 stsp break;
2255 cd95becd 2019-11-29 stsp }
2256 cd95becd 2019-11-29 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2257 cd95becd 2019-11-29 stsp if (iremotes.nremotes == 0) {
2258 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2259 cd95becd 2019-11-29 stsp return NULL;
2260 cd95becd 2019-11-29 stsp }
2261 aba9c984 2019-09-08 stsp break;
2262 aba9c984 2019-09-08 stsp default:
2263 54b1c5b5 2020-02-22 stsp imsg_free(&imsg);
2264 54b1c5b5 2020-02-22 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2265 aba9c984 2019-09-08 stsp }
2266 aba9c984 2019-09-08 stsp
2267 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2268 cd95becd 2019-11-29 stsp
2269 5146eb39 2020-03-20 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2270 cd95becd 2019-11-29 stsp if (*remotes == NULL)
2271 cd95becd 2019-11-29 stsp return got_error_from_errno("recallocarray");
2272 cd95becd 2019-11-29 stsp
2273 cd95becd 2019-11-29 stsp while (*nremotes < iremotes.nremotes) {
2274 cd95becd 2019-11-29 stsp struct got_remote_repo *remote;
2275 3168e5da 2020-09-10 stsp
2276 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremote));
2277 cd95becd 2019-11-29 stsp if (err)
2278 cd95becd 2019-11-29 stsp break;
2279 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2280 cd95becd 2019-11-29 stsp
2281 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2282 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTE:
2283 cd95becd 2019-11-29 stsp remote = &(*remotes)[*nremotes];
2284 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2285 cd95becd 2019-11-29 stsp if (datalen < sizeof(iremote)) {
2286 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2287 cd95becd 2019-11-29 stsp break;
2288 cd95becd 2019-11-29 stsp }
2289 cd95becd 2019-11-29 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2290 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2291 6480c871 2021-08-30 stsp iremote.fetch_url_len == 0 ||
2292 6480c871 2021-08-30 stsp iremote.send_url_len == 0 ||
2293 cd95becd 2019-11-29 stsp (sizeof(iremote) + iremote.name_len +
2294 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) > datalen) {
2295 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2296 cd95becd 2019-11-29 stsp break;
2297 cd95becd 2019-11-29 stsp }
2298 cd95becd 2019-11-29 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2299 cd95becd 2019-11-29 stsp iremote.name_len);
2300 cd95becd 2019-11-29 stsp if (remote->name == NULL) {
2301 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2302 cd95becd 2019-11-29 stsp break;
2303 cd95becd 2019-11-29 stsp }
2304 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data + sizeof(iremote) +
2305 6480c871 2021-08-30 stsp iremote.name_len, iremote.fetch_url_len);
2306 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2307 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2308 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2309 cd95becd 2019-11-29 stsp break;
2310 cd95becd 2019-11-29 stsp }
2311 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data + sizeof(iremote) +
2312 6480c871 2021-08-30 stsp iremote.name_len + iremote.fetch_url_len,
2313 6480c871 2021-08-30 stsp iremote.send_url_len);
2314 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2315 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2316 6480c871 2021-08-30 stsp free_remote_data(remote);
2317 6480c871 2021-08-30 stsp break;
2318 6480c871 2021-08-30 stsp }
2319 469dd726 2020-03-20 stsp remote->mirror_references = iremote.mirror_references;
2320 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2321 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2322 6480c871 2021-08-30 stsp remote->fetch_branches = NULL;
2323 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2324 6480c871 2021-08-30 stsp remote->send_branches = NULL;
2325 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2326 6480c871 2021-08-30 stsp remote->fetch_refs = NULL;
2327 cd95becd 2019-11-29 stsp (*nremotes)++;
2328 cd95becd 2019-11-29 stsp break;
2329 cd95becd 2019-11-29 stsp default:
2330 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2331 cd95becd 2019-11-29 stsp break;
2332 cd95becd 2019-11-29 stsp }
2333 cd95becd 2019-11-29 stsp
2334 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2335 cd95becd 2019-11-29 stsp if (err)
2336 cd95becd 2019-11-29 stsp break;
2337 cd95becd 2019-11-29 stsp }
2338 cd95becd 2019-11-29 stsp
2339 cd95becd 2019-11-29 stsp if (err) {
2340 cd95becd 2019-11-29 stsp int i;
2341 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2342 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2343 cd95becd 2019-11-29 stsp free(*remotes);
2344 cd95becd 2019-11-29 stsp *remotes = NULL;
2345 cd95becd 2019-11-29 stsp *nremotes = 0;
2346 cd95becd 2019-11-29 stsp }
2347 aba9c984 2019-09-08 stsp return err;
2348 257add31 2020-09-09 stsp }
2349 257add31 2020-09-09 stsp
2350 257add31 2020-09-09 stsp const struct got_error *
2351 257add31 2020-09-09 stsp got_privsep_send_gotconfig_parse_req(struct imsgbuf *ibuf, int fd)
2352 257add31 2020-09-09 stsp {
2353 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2354 257add31 2020-09-09 stsp
2355 257add31 2020-09-09 stsp if (imsg_compose(ibuf, GOT_IMSG_GOTCONFIG_PARSE_REQUEST, 0, 0, fd,
2356 257add31 2020-09-09 stsp NULL, 0) == -1) {
2357 257add31 2020-09-09 stsp err = got_error_from_errno("imsg_compose "
2358 257add31 2020-09-09 stsp "GOTCONFIG_PARSE_REQUEST");
2359 257add31 2020-09-09 stsp close(fd);
2360 257add31 2020-09-09 stsp return err;
2361 257add31 2020-09-09 stsp }
2362 257add31 2020-09-09 stsp
2363 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2364 257add31 2020-09-09 stsp }
2365 257add31 2020-09-09 stsp
2366 257add31 2020-09-09 stsp const struct got_error *
2367 257add31 2020-09-09 stsp got_privsep_send_gotconfig_author_req(struct imsgbuf *ibuf)
2368 257add31 2020-09-09 stsp {
2369 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2370 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_AUTHOR_REQUEST, 0, 0, -1, NULL, 0) == -1)
2371 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2372 257add31 2020-09-09 stsp "GOTCONFIG_AUTHOR_REQUEST");
2373 257add31 2020-09-09 stsp
2374 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2375 ca6e02ac 2020-01-07 stsp }
2376 ca6e02ac 2020-01-07 stsp
2377 ca6e02ac 2020-01-07 stsp const struct got_error *
2378 257add31 2020-09-09 stsp got_privsep_send_gotconfig_remotes_req(struct imsgbuf *ibuf)
2379 257add31 2020-09-09 stsp {
2380 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2381 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2382 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2383 257add31 2020-09-09 stsp "GOTCONFIG_REMOTE_REQUEST");
2384 257add31 2020-09-09 stsp
2385 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2386 257add31 2020-09-09 stsp }
2387 257add31 2020-09-09 stsp
2388 257add31 2020-09-09 stsp const struct got_error *
2389 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_str(char **str, struct imsgbuf *ibuf)
2390 257add31 2020-09-09 stsp {
2391 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2392 257add31 2020-09-09 stsp struct imsg imsg;
2393 257add31 2020-09-09 stsp size_t datalen;
2394 257add31 2020-09-09 stsp const size_t min_datalen = 0;
2395 257add31 2020-09-09 stsp
2396 257add31 2020-09-09 stsp *str = NULL;
2397 257add31 2020-09-09 stsp
2398 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2399 257add31 2020-09-09 stsp if (err)
2400 257add31 2020-09-09 stsp return err;
2401 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2402 257add31 2020-09-09 stsp
2403 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2404 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2405 257add31 2020-09-09 stsp if (datalen < sizeof(struct got_imsg_error)) {
2406 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2407 257add31 2020-09-09 stsp break;
2408 257add31 2020-09-09 stsp }
2409 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2410 257add31 2020-09-09 stsp break;
2411 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_STR_VAL:
2412 257add31 2020-09-09 stsp if (datalen == 0)
2413 257add31 2020-09-09 stsp break;
2414 5874ea87 2020-09-18 stsp /* datalen does not include terminating \0 */
2415 5874ea87 2020-09-18 stsp *str = malloc(datalen + 1);
2416 257add31 2020-09-09 stsp if (*str == NULL) {
2417 257add31 2020-09-09 stsp err = got_error_from_errno("malloc");
2418 257add31 2020-09-09 stsp break;
2419 257add31 2020-09-09 stsp }
2420 5874ea87 2020-09-18 stsp memcpy(*str, imsg.data, datalen);
2421 5874ea87 2020-09-18 stsp (*str)[datalen] = '\0';
2422 257add31 2020-09-09 stsp break;
2423 257add31 2020-09-09 stsp default:
2424 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2425 257add31 2020-09-09 stsp break;
2426 257add31 2020-09-09 stsp }
2427 257add31 2020-09-09 stsp
2428 257add31 2020-09-09 stsp imsg_free(&imsg);
2429 257add31 2020-09-09 stsp return err;
2430 257add31 2020-09-09 stsp }
2431 257add31 2020-09-09 stsp
2432 257add31 2020-09-09 stsp const struct got_error *
2433 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_remotes(struct got_remote_repo **remotes,
2434 257add31 2020-09-09 stsp int *nremotes, struct imsgbuf *ibuf)
2435 257add31 2020-09-09 stsp {
2436 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2437 257add31 2020-09-09 stsp struct imsg imsg;
2438 257add31 2020-09-09 stsp size_t datalen;
2439 257add31 2020-09-09 stsp struct got_imsg_remotes iremotes;
2440 257add31 2020-09-09 stsp struct got_imsg_remote iremote;
2441 257add31 2020-09-09 stsp const size_t min_datalen =
2442 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremotes));
2443 257add31 2020-09-09 stsp
2444 257add31 2020-09-09 stsp *remotes = NULL;
2445 257add31 2020-09-09 stsp *nremotes = 0;
2446 257add31 2020-09-09 stsp iremotes.nremotes = 0;
2447 257add31 2020-09-09 stsp
2448 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2449 257add31 2020-09-09 stsp if (err)
2450 257add31 2020-09-09 stsp return err;
2451 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2452 257add31 2020-09-09 stsp
2453 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2454 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2455 257add31 2020-09-09 stsp if (datalen < sizeof(struct got_imsg_error)) {
2456 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2457 257add31 2020-09-09 stsp break;
2458 257add31 2020-09-09 stsp }
2459 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2460 257add31 2020-09-09 stsp break;
2461 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTES:
2462 257add31 2020-09-09 stsp if (datalen != sizeof(iremotes)) {
2463 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2464 257add31 2020-09-09 stsp break;
2465 257add31 2020-09-09 stsp }
2466 257add31 2020-09-09 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2467 257add31 2020-09-09 stsp if (iremotes.nremotes == 0) {
2468 257add31 2020-09-09 stsp imsg_free(&imsg);
2469 257add31 2020-09-09 stsp return NULL;
2470 257add31 2020-09-09 stsp }
2471 257add31 2020-09-09 stsp break;
2472 257add31 2020-09-09 stsp default:
2473 257add31 2020-09-09 stsp imsg_free(&imsg);
2474 257add31 2020-09-09 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2475 257add31 2020-09-09 stsp }
2476 257add31 2020-09-09 stsp
2477 257add31 2020-09-09 stsp imsg_free(&imsg);
2478 257add31 2020-09-09 stsp
2479 257add31 2020-09-09 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2480 257add31 2020-09-09 stsp if (*remotes == NULL)
2481 257add31 2020-09-09 stsp return got_error_from_errno("recallocarray");
2482 257add31 2020-09-09 stsp
2483 257add31 2020-09-09 stsp while (*nremotes < iremotes.nremotes) {
2484 257add31 2020-09-09 stsp struct got_remote_repo *remote;
2485 257add31 2020-09-09 stsp const size_t min_datalen =
2486 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremote));
2487 b8adfa55 2020-09-25 stsp int i;
2488 257add31 2020-09-09 stsp
2489 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2490 257add31 2020-09-09 stsp if (err)
2491 257add31 2020-09-09 stsp break;
2492 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2493 257add31 2020-09-09 stsp
2494 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2495 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2496 257add31 2020-09-09 stsp if (datalen < sizeof(struct got_imsg_error)) {
2497 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2498 257add31 2020-09-09 stsp break;
2499 257add31 2020-09-09 stsp }
2500 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2501 257add31 2020-09-09 stsp break;
2502 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTE:
2503 257add31 2020-09-09 stsp remote = &(*remotes)[*nremotes];
2504 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2505 257add31 2020-09-09 stsp if (datalen < sizeof(iremote)) {
2506 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2507 257add31 2020-09-09 stsp break;
2508 257add31 2020-09-09 stsp }
2509 257add31 2020-09-09 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2510 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2511 6480c871 2021-08-30 stsp (iremote.fetch_url_len == 0 &&
2512 6480c871 2021-08-30 stsp iremote.send_url_len == 0) ||
2513 257add31 2020-09-09 stsp (sizeof(iremote) + iremote.name_len +
2514 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) >
2515 6480c871 2021-08-30 stsp datalen) {
2516 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2517 257add31 2020-09-09 stsp break;
2518 257add31 2020-09-09 stsp }
2519 257add31 2020-09-09 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2520 257add31 2020-09-09 stsp iremote.name_len);
2521 257add31 2020-09-09 stsp if (remote->name == NULL) {
2522 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2523 257add31 2020-09-09 stsp break;
2524 257add31 2020-09-09 stsp }
2525 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data +
2526 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len,
2527 6480c871 2021-08-30 stsp iremote.fetch_url_len);
2528 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2529 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2530 6480c871 2021-08-30 stsp free_remote_data(remote);
2531 6480c871 2021-08-30 stsp break;
2532 6480c871 2021-08-30 stsp }
2533 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data +
2534 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len +
2535 6480c871 2021-08-30 stsp iremote.fetch_url_len, iremote.send_url_len);
2536 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2537 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2538 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2539 257add31 2020-09-09 stsp break;
2540 257add31 2020-09-09 stsp }
2541 257add31 2020-09-09 stsp remote->mirror_references = iremote.mirror_references;
2542 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2543 6480c871 2021-08-30 stsp if (iremote.nfetch_branches > 0) {
2544 6480c871 2021-08-30 stsp remote->fetch_branches = recallocarray(NULL, 0,
2545 6480c871 2021-08-30 stsp iremote.nfetch_branches, sizeof(char *));
2546 6480c871 2021-08-30 stsp if (remote->fetch_branches == NULL) {
2547 b8adfa55 2020-09-25 stsp err = got_error_from_errno("calloc");
2548 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2549 b8adfa55 2020-09-25 stsp break;
2550 b8adfa55 2020-09-25 stsp }
2551 b8adfa55 2020-09-25 stsp }
2552 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2553 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_branches; i++) {
2554 b8adfa55 2020-09-25 stsp char *branch;
2555 b8adfa55 2020-09-25 stsp err = got_privsep_recv_gotconfig_str(&branch,
2556 b8adfa55 2020-09-25 stsp ibuf);
2557 b8adfa55 2020-09-25 stsp if (err) {
2558 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2559 b8adfa55 2020-09-25 stsp goto done;
2560 b8adfa55 2020-09-25 stsp }
2561 6480c871 2021-08-30 stsp remote->fetch_branches[i] = branch;
2562 6480c871 2021-08-30 stsp remote->nfetch_branches++;
2563 99495ddb 2021-01-10 stsp }
2564 6480c871 2021-08-30 stsp if (iremote.nsend_branches > 0) {
2565 6480c871 2021-08-30 stsp remote->send_branches = recallocarray(NULL, 0,
2566 6480c871 2021-08-30 stsp iremote.nsend_branches, sizeof(char *));
2567 6480c871 2021-08-30 stsp if (remote->send_branches == NULL) {
2568 99495ddb 2021-01-10 stsp err = got_error_from_errno("calloc");
2569 99495ddb 2021-01-10 stsp free_remote_data(remote);
2570 99495ddb 2021-01-10 stsp break;
2571 99495ddb 2021-01-10 stsp }
2572 b8adfa55 2020-09-25 stsp }
2573 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2574 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nsend_branches; i++) {
2575 6480c871 2021-08-30 stsp char *branch;
2576 6480c871 2021-08-30 stsp err = got_privsep_recv_gotconfig_str(&branch,
2577 6480c871 2021-08-30 stsp ibuf);
2578 6480c871 2021-08-30 stsp if (err) {
2579 6480c871 2021-08-30 stsp free_remote_data(remote);
2580 6480c871 2021-08-30 stsp goto done;
2581 6480c871 2021-08-30 stsp }
2582 6480c871 2021-08-30 stsp remote->send_branches[i] = branch;
2583 6480c871 2021-08-30 stsp remote->nsend_branches++;
2584 6480c871 2021-08-30 stsp }
2585 6480c871 2021-08-30 stsp if (iremote.nfetch_refs > 0) {
2586 6480c871 2021-08-30 stsp remote->fetch_refs = recallocarray(NULL, 0,
2587 6480c871 2021-08-30 stsp iremote.nfetch_refs, sizeof(char *));
2588 6480c871 2021-08-30 stsp if (remote->fetch_refs == NULL) {
2589 6480c871 2021-08-30 stsp err = got_error_from_errno("calloc");
2590 6480c871 2021-08-30 stsp free_remote_data(remote);
2591 6480c871 2021-08-30 stsp break;
2592 6480c871 2021-08-30 stsp }
2593 6480c871 2021-08-30 stsp }
2594 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2595 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_refs; i++) {
2596 99495ddb 2021-01-10 stsp char *ref;
2597 99495ddb 2021-01-10 stsp err = got_privsep_recv_gotconfig_str(&ref,
2598 99495ddb 2021-01-10 stsp ibuf);
2599 99495ddb 2021-01-10 stsp if (err) {
2600 99495ddb 2021-01-10 stsp free_remote_data(remote);
2601 99495ddb 2021-01-10 stsp goto done;
2602 99495ddb 2021-01-10 stsp }
2603 6480c871 2021-08-30 stsp remote->fetch_refs[i] = ref;
2604 6480c871 2021-08-30 stsp remote->nfetch_refs++;
2605 99495ddb 2021-01-10 stsp }
2606 257add31 2020-09-09 stsp (*nremotes)++;
2607 257add31 2020-09-09 stsp break;
2608 257add31 2020-09-09 stsp default:
2609 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2610 257add31 2020-09-09 stsp break;
2611 257add31 2020-09-09 stsp }
2612 257add31 2020-09-09 stsp
2613 257add31 2020-09-09 stsp imsg_free(&imsg);
2614 257add31 2020-09-09 stsp if (err)
2615 257add31 2020-09-09 stsp break;
2616 257add31 2020-09-09 stsp }
2617 b8adfa55 2020-09-25 stsp done:
2618 257add31 2020-09-09 stsp if (err) {
2619 257add31 2020-09-09 stsp int i;
2620 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2621 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2622 257add31 2020-09-09 stsp free(*remotes);
2623 257add31 2020-09-09 stsp *remotes = NULL;
2624 257add31 2020-09-09 stsp *nremotes = 0;
2625 257add31 2020-09-09 stsp }
2626 257add31 2020-09-09 stsp return err;
2627 257add31 2020-09-09 stsp }
2628 257add31 2020-09-09 stsp
2629 257add31 2020-09-09 stsp const struct got_error *
2630 ca6e02ac 2020-01-07 stsp got_privsep_send_commit_traversal_request(struct imsgbuf *ibuf,
2631 abc59930 2021-09-05 naddy struct got_object_id *id, int idx, const char *path)
2632 ca6e02ac 2020-01-07 stsp {
2633 ca6e02ac 2020-01-07 stsp struct ibuf *wbuf;
2634 ca6e02ac 2020-01-07 stsp size_t path_len = strlen(path) + 1;
2635 ca6e02ac 2020-01-07 stsp
2636 ca6e02ac 2020-01-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_COMMIT_TRAVERSAL_REQUEST, 0, 0,
2637 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_traversal_request) + path_len);
2638 ca6e02ac 2020-01-07 stsp if (wbuf == NULL)
2639 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
2640 ca6e02ac 2020-01-07 stsp "imsg_create COMMIT_TRAVERSAL_REQUEST");
2641 1453347d 2022-05-19 stsp if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1)
2642 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add "
2643 1453347d 2022-05-19 stsp "COMMIT_TRAVERSAL_REQUEST");
2644 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &idx, sizeof(idx)) == -1)
2645 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add "
2646 1453347d 2022-05-19 stsp "COMMIT_TRAVERSAL_REQUEST");
2647 1453347d 2022-05-19 stsp if (imsg_add(wbuf, path, path_len) == -1)
2648 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add "
2649 1453347d 2022-05-19 stsp "COMMIT_TRAVERSAL_REQUEST");
2650 ca6e02ac 2020-01-07 stsp
2651 ca6e02ac 2020-01-07 stsp wbuf->fd = -1;
2652 ca6e02ac 2020-01-07 stsp imsg_close(ibuf, wbuf);
2653 ca6e02ac 2020-01-07 stsp
2654 ca6e02ac 2020-01-07 stsp return flush_imsg(ibuf);
2655 ca6e02ac 2020-01-07 stsp }
2656 ca6e02ac 2020-01-07 stsp
2657 ca6e02ac 2020-01-07 stsp const struct got_error *
2658 ca6e02ac 2020-01-07 stsp got_privsep_recv_traversed_commits(struct got_commit_object **changed_commit,
2659 ca6e02ac 2020-01-07 stsp struct got_object_id **changed_commit_id,
2660 ca6e02ac 2020-01-07 stsp struct got_object_id_queue *commit_ids, struct imsgbuf *ibuf)
2661 ca6e02ac 2020-01-07 stsp {
2662 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
2663 ca6e02ac 2020-01-07 stsp struct imsg imsg;
2664 ca6e02ac 2020-01-07 stsp struct got_imsg_traversed_commits *icommits;
2665 ca6e02ac 2020-01-07 stsp size_t datalen;
2666 ca6e02ac 2020-01-07 stsp int i, done = 0;
2667 ca6e02ac 2020-01-07 stsp
2668 ca6e02ac 2020-01-07 stsp *changed_commit = NULL;
2669 ca6e02ac 2020-01-07 stsp *changed_commit_id = NULL;
2670 ca6e02ac 2020-01-07 stsp
2671 ca6e02ac 2020-01-07 stsp while (!done) {
2672 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2673 ca6e02ac 2020-01-07 stsp if (err)
2674 ca6e02ac 2020-01-07 stsp return err;
2675 ca6e02ac 2020-01-07 stsp
2676 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2677 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
2678 ca6e02ac 2020-01-07 stsp case GOT_IMSG_TRAVERSED_COMMITS:
2679 ca6e02ac 2020-01-07 stsp icommits = imsg.data;
2680 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommits) +
2681 ca6e02ac 2020-01-07 stsp icommits->ncommits * SHA1_DIGEST_LENGTH) {
2682 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2683 ca6e02ac 2020-01-07 stsp break;
2684 ca6e02ac 2020-01-07 stsp }
2685 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommits->ncommits; i++) {
2686 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
2687 ca6e02ac 2020-01-07 stsp uint8_t *sha1 = (uint8_t *)imsg.data +
2688 ca6e02ac 2020-01-07 stsp sizeof(*icommits) + i * SHA1_DIGEST_LENGTH;
2689 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
2690 ca6e02ac 2020-01-07 stsp if (err)
2691 ca6e02ac 2020-01-07 stsp break;
2692 d7b5a0e8 2022-04-20 stsp memcpy(qid->id.sha1, sha1, SHA1_DIGEST_LENGTH);
2693 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(commit_ids, qid, entry);
2694 ca6e02ac 2020-01-07 stsp
2695 ca6e02ac 2020-01-07 stsp /* The last commit may contain a change. */
2696 ca6e02ac 2020-01-07 stsp if (i == icommits->ncommits - 1) {
2697 ca6e02ac 2020-01-07 stsp *changed_commit_id =
2698 d7b5a0e8 2022-04-20 stsp got_object_id_dup(&qid->id);
2699 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2700 ca6e02ac 2020-01-07 stsp err = got_error_from_errno(
2701 ca6e02ac 2020-01-07 stsp "got_object_id_dup");
2702 ca6e02ac 2020-01-07 stsp break;
2703 ca6e02ac 2020-01-07 stsp }
2704 ca6e02ac 2020-01-07 stsp }
2705 ca6e02ac 2020-01-07 stsp }
2706 ca6e02ac 2020-01-07 stsp break;
2707 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
2708 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2709 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2710 ca6e02ac 2020-01-07 stsp break;
2711 ca6e02ac 2020-01-07 stsp }
2712 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(changed_commit, &imsg,
2713 ca6e02ac 2020-01-07 stsp datalen, ibuf);
2714 ca6e02ac 2020-01-07 stsp break;
2715 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT_TRAVERSAL_DONE:
2716 ca6e02ac 2020-01-07 stsp done = 1;
2717 ca6e02ac 2020-01-07 stsp break;
2718 ca6e02ac 2020-01-07 stsp default:
2719 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2720 ca6e02ac 2020-01-07 stsp break;
2721 ca6e02ac 2020-01-07 stsp }
2722 ca6e02ac 2020-01-07 stsp
2723 ca6e02ac 2020-01-07 stsp imsg_free(&imsg);
2724 ca6e02ac 2020-01-07 stsp if (err)
2725 ca6e02ac 2020-01-07 stsp break;
2726 ca6e02ac 2020-01-07 stsp }
2727 ca6e02ac 2020-01-07 stsp
2728 ca6e02ac 2020-01-07 stsp if (err)
2729 ca6e02ac 2020-01-07 stsp got_object_id_queue_free(commit_ids);
2730 ca6e02ac 2020-01-07 stsp return err;
2731 67fd6849 2022-02-13 stsp }
2732 67fd6849 2022-02-13 stsp
2733 67fd6849 2022-02-13 stsp const struct got_error *
2734 67fd6849 2022-02-13 stsp got_privsep_send_raw_delta_req(struct imsgbuf *ibuf, int idx,
2735 67fd6849 2022-02-13 stsp struct got_object_id *id)
2736 67fd6849 2022-02-13 stsp {
2737 67fd6849 2022-02-13 stsp struct got_imsg_raw_delta_request dreq;
2738 67fd6849 2022-02-13 stsp
2739 67fd6849 2022-02-13 stsp dreq.idx = idx;
2740 67fd6849 2022-02-13 stsp memcpy(dreq.id, id->sha1, SHA1_DIGEST_LENGTH);
2741 67fd6849 2022-02-13 stsp
2742 67fd6849 2022-02-13 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_DELTA_REQUEST, 0, 0, -1,
2743 67fd6849 2022-02-13 stsp &dreq, sizeof(dreq)) == -1)
2744 67fd6849 2022-02-13 stsp return got_error_from_errno("imsg_compose RAW_DELTA_REQUEST");
2745 67fd6849 2022-02-13 stsp
2746 67fd6849 2022-02-13 stsp return flush_imsg(ibuf);
2747 67fd6849 2022-02-13 stsp }
2748 67fd6849 2022-02-13 stsp
2749 67fd6849 2022-02-13 stsp const struct got_error *
2750 67fd6849 2022-02-13 stsp got_privsep_send_raw_delta_outfd(struct imsgbuf *ibuf, int fd)
2751 67fd6849 2022-02-13 stsp {
2752 67fd6849 2022-02-13 stsp return send_fd(ibuf, GOT_IMSG_RAW_DELTA_OUTFD, fd);
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(struct imsgbuf *ibuf, uint64_t base_size,
2757 2d9e6abf 2022-05-04 stsp uint64_t result_size, off_t delta_size, off_t delta_compressed_size,
2758 2d9e6abf 2022-05-04 stsp off_t delta_offset, off_t delta_out_offset, struct got_object_id *base_id)
2759 67fd6849 2022-02-13 stsp {
2760 67fd6849 2022-02-13 stsp struct got_imsg_raw_delta idelta;
2761 67fd6849 2022-02-13 stsp int ret;
2762 67fd6849 2022-02-13 stsp
2763 67fd6849 2022-02-13 stsp idelta.base_size = base_size;
2764 67fd6849 2022-02-13 stsp idelta.result_size = result_size;
2765 67fd6849 2022-02-13 stsp idelta.delta_size = delta_size;
2766 2d9e6abf 2022-05-04 stsp idelta.delta_compressed_size = delta_compressed_size;
2767 67fd6849 2022-02-13 stsp idelta.delta_offset = delta_offset;
2768 67fd6849 2022-02-13 stsp idelta.delta_out_offset = delta_out_offset;
2769 67fd6849 2022-02-13 stsp memcpy(idelta.base_id, base_id->sha1, SHA1_DIGEST_LENGTH);
2770 67fd6849 2022-02-13 stsp
2771 67fd6849 2022-02-13 stsp ret = imsg_compose(ibuf, GOT_IMSG_RAW_DELTA, 0, 0, -1,
2772 67fd6849 2022-02-13 stsp &idelta, sizeof(idelta));
2773 67fd6849 2022-02-13 stsp if (ret == -1)
2774 67fd6849 2022-02-13 stsp return got_error_from_errno("imsg_compose RAW_DELTA");
2775 67fd6849 2022-02-13 stsp
2776 67fd6849 2022-02-13 stsp return flush_imsg(ibuf);
2777 ca6e02ac 2020-01-07 stsp }
2778 ca6e02ac 2020-01-07 stsp
2779 ca6e02ac 2020-01-07 stsp const struct got_error *
2780 67fd6849 2022-02-13 stsp got_privsep_recv_raw_delta(uint64_t *base_size, uint64_t *result_size,
2781 2d9e6abf 2022-05-04 stsp off_t *delta_size, off_t *delta_compressed_size, off_t *delta_offset,
2782 2d9e6abf 2022-05-04 stsp off_t *delta_out_offset, struct got_object_id **base_id, struct imsgbuf *ibuf)
2783 67fd6849 2022-02-13 stsp {
2784 67fd6849 2022-02-13 stsp const struct got_error *err = NULL;
2785 67fd6849 2022-02-13 stsp struct imsg imsg;
2786 67fd6849 2022-02-13 stsp struct got_imsg_raw_delta *delta;
2787 67fd6849 2022-02-13 stsp size_t datalen;
2788 67fd6849 2022-02-13 stsp
2789 67fd6849 2022-02-13 stsp *base_size = 0;
2790 67fd6849 2022-02-13 stsp *result_size = 0;
2791 67fd6849 2022-02-13 stsp *delta_size = 0;
2792 2d9e6abf 2022-05-04 stsp *delta_compressed_size = 0;
2793 67fd6849 2022-02-13 stsp *delta_offset = 0;
2794 67fd6849 2022-02-13 stsp *delta_out_offset = 0;
2795 67fd6849 2022-02-13 stsp *base_id = NULL;
2796 67fd6849 2022-02-13 stsp
2797 67fd6849 2022-02-13 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2798 67fd6849 2022-02-13 stsp if (err)
2799 67fd6849 2022-02-13 stsp return err;
2800 67fd6849 2022-02-13 stsp
2801 67fd6849 2022-02-13 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2802 67fd6849 2022-02-13 stsp
2803 67fd6849 2022-02-13 stsp switch (imsg.hdr.type) {
2804 67fd6849 2022-02-13 stsp case GOT_IMSG_RAW_DELTA:
2805 67fd6849 2022-02-13 stsp if (datalen != sizeof(*delta)) {
2806 67fd6849 2022-02-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2807 67fd6849 2022-02-13 stsp break;
2808 67fd6849 2022-02-13 stsp }
2809 67fd6849 2022-02-13 stsp delta = imsg.data;
2810 67fd6849 2022-02-13 stsp *base_size = delta->base_size;
2811 67fd6849 2022-02-13 stsp *result_size = delta->result_size;
2812 67fd6849 2022-02-13 stsp *delta_size = delta->delta_size;
2813 2d9e6abf 2022-05-04 stsp *delta_compressed_size = delta->delta_compressed_size;
2814 67fd6849 2022-02-13 stsp *delta_offset = delta->delta_offset;
2815 67fd6849 2022-02-13 stsp *delta_out_offset = delta->delta_out_offset;
2816 67fd6849 2022-02-13 stsp *base_id = calloc(1, sizeof(**base_id));
2817 67fd6849 2022-02-13 stsp if (*base_id == NULL) {
2818 67fd6849 2022-02-13 stsp err = got_error_from_errno("malloc");
2819 67fd6849 2022-02-13 stsp break;
2820 67fd6849 2022-02-13 stsp }
2821 67fd6849 2022-02-13 stsp memcpy((*base_id)->sha1, delta->base_id, SHA1_DIGEST_LENGTH);
2822 67fd6849 2022-02-13 stsp break;
2823 67fd6849 2022-02-13 stsp default:
2824 67fd6849 2022-02-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2825 67fd6849 2022-02-13 stsp break;
2826 67fd6849 2022-02-13 stsp }
2827 67fd6849 2022-02-13 stsp
2828 67fd6849 2022-02-13 stsp imsg_free(&imsg);
2829 67fd6849 2022-02-13 stsp
2830 67fd6849 2022-02-13 stsp if (err) {
2831 67fd6849 2022-02-13 stsp free(*base_id);
2832 67fd6849 2022-02-13 stsp *base_id = NULL;
2833 fae7e038 2022-05-07 stsp }
2834 fae7e038 2022-05-07 stsp return err;
2835 fae7e038 2022-05-07 stsp }
2836 fae7e038 2022-05-07 stsp
2837 fae7e038 2022-05-07 stsp const struct got_error *
2838 fae7e038 2022-05-07 stsp got_privsep_send_object_idlist(struct imsgbuf *ibuf,
2839 fae7e038 2022-05-07 stsp struct got_object_id **ids, size_t nids)
2840 fae7e038 2022-05-07 stsp {
2841 fae7e038 2022-05-07 stsp const struct got_error *err = NULL;
2842 fae7e038 2022-05-07 stsp struct got_imsg_object_idlist idlist;
2843 fae7e038 2022-05-07 stsp struct ibuf *wbuf;
2844 fae7e038 2022-05-07 stsp size_t i;
2845 fae7e038 2022-05-07 stsp
2846 fae7e038 2022-05-07 stsp if (nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS)
2847 fae7e038 2022-05-07 stsp return got_error(GOT_ERR_NO_SPACE);
2848 fae7e038 2022-05-07 stsp
2849 fae7e038 2022-05-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_OBJ_ID_LIST, 0, 0,
2850 fae7e038 2022-05-07 stsp sizeof(idlist) + nids * sizeof(**ids));
2851 fae7e038 2022-05-07 stsp if (wbuf == NULL) {
2852 fae7e038 2022-05-07 stsp err = got_error_from_errno("imsg_create OBJ_ID_LIST");
2853 fae7e038 2022-05-07 stsp return err;
2854 fae7e038 2022-05-07 stsp }
2855 fae7e038 2022-05-07 stsp
2856 fae7e038 2022-05-07 stsp idlist.nids = nids;
2857 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &idlist, sizeof(idlist)) == -1)
2858 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add OBJ_ID_LIST");
2859 fae7e038 2022-05-07 stsp
2860 fae7e038 2022-05-07 stsp for (i = 0; i < nids; i++) {
2861 fae7e038 2022-05-07 stsp struct got_object_id *id = ids[i];
2862 1453347d 2022-05-19 stsp if (imsg_add(wbuf, id, sizeof(*id)) == -1)
2863 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add OBJ_ID_LIST");
2864 fae7e038 2022-05-07 stsp }
2865 fae7e038 2022-05-07 stsp
2866 fae7e038 2022-05-07 stsp wbuf->fd = -1;
2867 fae7e038 2022-05-07 stsp imsg_close(ibuf, wbuf);
2868 fae7e038 2022-05-07 stsp
2869 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
2870 fae7e038 2022-05-07 stsp }
2871 fae7e038 2022-05-07 stsp
2872 fae7e038 2022-05-07 stsp const struct got_error *
2873 fae7e038 2022-05-07 stsp got_privsep_send_object_idlist_done(struct imsgbuf *ibuf)
2874 fae7e038 2022-05-07 stsp {
2875 fae7e038 2022-05-07 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJ_ID_LIST_DONE, 0, 0, -1, NULL, 0)
2876 fae7e038 2022-05-07 stsp == -1)
2877 fae7e038 2022-05-07 stsp return got_error_from_errno("imsg_compose OBJ_ID_LIST_DONE");
2878 fae7e038 2022-05-07 stsp
2879 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
2880 fae7e038 2022-05-07 stsp }
2881 fae7e038 2022-05-07 stsp
2882 fae7e038 2022-05-07 stsp const struct got_error *
2883 fae7e038 2022-05-07 stsp got_privsep_recv_object_idlist(int *done, struct got_object_id **ids,
2884 fae7e038 2022-05-07 stsp size_t *nids, struct imsgbuf *ibuf)
2885 fae7e038 2022-05-07 stsp {
2886 fae7e038 2022-05-07 stsp const struct got_error *err = NULL;
2887 fae7e038 2022-05-07 stsp struct imsg imsg;
2888 fae7e038 2022-05-07 stsp struct got_imsg_object_idlist *idlist;
2889 fae7e038 2022-05-07 stsp size_t datalen;
2890 fae7e038 2022-05-07 stsp
2891 fae7e038 2022-05-07 stsp *ids = NULL;
2892 fae7e038 2022-05-07 stsp *done = 0;
2893 fae7e038 2022-05-07 stsp *nids = 0;
2894 fae7e038 2022-05-07 stsp
2895 fae7e038 2022-05-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2896 fae7e038 2022-05-07 stsp if (err)
2897 fae7e038 2022-05-07 stsp return err;
2898 fae7e038 2022-05-07 stsp
2899 fae7e038 2022-05-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2900 fae7e038 2022-05-07 stsp switch (imsg.hdr.type) {
2901 fae7e038 2022-05-07 stsp case GOT_IMSG_OBJ_ID_LIST:
2902 fae7e038 2022-05-07 stsp if (datalen < sizeof(*idlist)) {
2903 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2904 fae7e038 2022-05-07 stsp break;
2905 fae7e038 2022-05-07 stsp }
2906 fae7e038 2022-05-07 stsp idlist = imsg.data;
2907 fae7e038 2022-05-07 stsp if (idlist->nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS) {
2908 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2909 fae7e038 2022-05-07 stsp break;
2910 fae7e038 2022-05-07 stsp }
2911 fae7e038 2022-05-07 stsp *nids = idlist->nids;
2912 fae7e038 2022-05-07 stsp *ids = calloc(*nids, sizeof(**ids));
2913 fae7e038 2022-05-07 stsp if (*ids == NULL) {
2914 fae7e038 2022-05-07 stsp err = got_error_from_errno("calloc");
2915 fae7e038 2022-05-07 stsp break;
2916 fae7e038 2022-05-07 stsp }
2917 fae7e038 2022-05-07 stsp memcpy(*ids, (uint8_t *)imsg.data + sizeof(idlist),
2918 fae7e038 2022-05-07 stsp *nids * sizeof(**ids));
2919 fae7e038 2022-05-07 stsp break;
2920 fae7e038 2022-05-07 stsp case GOT_IMSG_OBJ_ID_LIST_DONE:
2921 fae7e038 2022-05-07 stsp *done = 1;
2922 fae7e038 2022-05-07 stsp break;
2923 fae7e038 2022-05-07 stsp default:
2924 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2925 fae7e038 2022-05-07 stsp break;
2926 fae7e038 2022-05-07 stsp }
2927 fae7e038 2022-05-07 stsp
2928 fae7e038 2022-05-07 stsp imsg_free(&imsg);
2929 fae7e038 2022-05-07 stsp
2930 fae7e038 2022-05-07 stsp return err;
2931 fae7e038 2022-05-07 stsp }
2932 fae7e038 2022-05-07 stsp
2933 fae7e038 2022-05-07 stsp const struct got_error *
2934 fae7e038 2022-05-07 stsp got_privsep_send_delta_reuse_req(struct imsgbuf *ibuf)
2935 fae7e038 2022-05-07 stsp {
2936 fae7e038 2022-05-07 stsp if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_REQUEST, 0, 0, -1, NULL, 0)
2937 fae7e038 2022-05-07 stsp == -1)
2938 fae7e038 2022-05-07 stsp return got_error_from_errno("imsg_compose DELTA_REUSE_REQUEST");
2939 fae7e038 2022-05-07 stsp
2940 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
2941 fae7e038 2022-05-07 stsp }
2942 fae7e038 2022-05-07 stsp
2943 fae7e038 2022-05-07 stsp const struct got_error *
2944 fae7e038 2022-05-07 stsp got_privsep_send_reused_deltas(struct imsgbuf *ibuf,
2945 fae7e038 2022-05-07 stsp struct got_imsg_reused_delta *deltas, size_t ndeltas)
2946 fae7e038 2022-05-07 stsp {
2947 fae7e038 2022-05-07 stsp const struct got_error *err = NULL;
2948 fae7e038 2022-05-07 stsp struct ibuf *wbuf;
2949 fae7e038 2022-05-07 stsp struct got_imsg_reused_deltas ideltas;
2950 fae7e038 2022-05-07 stsp size_t i;
2951 fae7e038 2022-05-07 stsp
2952 fae7e038 2022-05-07 stsp if (ndeltas > GOT_IMSG_REUSED_DELTAS_MAX_NDELTAS)
2953 fae7e038 2022-05-07 stsp return got_error(GOT_ERR_NO_SPACE);
2954 fae7e038 2022-05-07 stsp
2955 fae7e038 2022-05-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_REUSED_DELTAS, 0, 0,
2956 fae7e038 2022-05-07 stsp sizeof(ideltas) + ndeltas * sizeof(*deltas));
2957 fae7e038 2022-05-07 stsp if (wbuf == NULL) {
2958 fae7e038 2022-05-07 stsp err = got_error_from_errno("imsg_create REUSED_DELTAS");
2959 fae7e038 2022-05-07 stsp return err;
2960 67fd6849 2022-02-13 stsp }
2961 fae7e038 2022-05-07 stsp
2962 fae7e038 2022-05-07 stsp ideltas.ndeltas = ndeltas;
2963 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &ideltas, sizeof(ideltas)) == -1)
2964 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add REUSED_DELTAS");
2965 fae7e038 2022-05-07 stsp
2966 fae7e038 2022-05-07 stsp for (i = 0; i < ndeltas; i++) {
2967 fae7e038 2022-05-07 stsp struct got_imsg_reused_delta *delta = &deltas[i];
2968 1453347d 2022-05-19 stsp if (imsg_add(wbuf, delta, sizeof(*delta)) == -1)
2969 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add REUSED_DELTAS");
2970 fae7e038 2022-05-07 stsp }
2971 fae7e038 2022-05-07 stsp
2972 fae7e038 2022-05-07 stsp wbuf->fd = -1;
2973 fae7e038 2022-05-07 stsp imsg_close(ibuf, wbuf);
2974 fae7e038 2022-05-07 stsp
2975 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
2976 fae7e038 2022-05-07 stsp }
2977 fae7e038 2022-05-07 stsp
2978 fae7e038 2022-05-07 stsp const struct got_error *
2979 fae7e038 2022-05-07 stsp got_privsep_send_reused_deltas_done(struct imsgbuf *ibuf)
2980 fae7e038 2022-05-07 stsp {
2981 fae7e038 2022-05-07 stsp if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_DONE, 0, 0, -1, NULL, 0)
2982 fae7e038 2022-05-07 stsp == -1)
2983 fae7e038 2022-05-07 stsp return got_error_from_errno("imsg_compose DELTA_REUSE_DONE");
2984 fae7e038 2022-05-07 stsp
2985 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
2986 fae7e038 2022-05-07 stsp }
2987 fae7e038 2022-05-07 stsp
2988 fae7e038 2022-05-07 stsp const struct got_error *
2989 fae7e038 2022-05-07 stsp got_privsep_recv_reused_deltas(int *done, struct got_imsg_reused_delta *deltas,
2990 fae7e038 2022-05-07 stsp size_t *ndeltas, struct imsgbuf *ibuf)
2991 fae7e038 2022-05-07 stsp {
2992 fae7e038 2022-05-07 stsp const struct got_error *err = NULL;
2993 fae7e038 2022-05-07 stsp struct imsg imsg;
2994 fae7e038 2022-05-07 stsp struct got_imsg_reused_deltas *ideltas;
2995 fae7e038 2022-05-07 stsp size_t datalen;
2996 fae7e038 2022-05-07 stsp
2997 fae7e038 2022-05-07 stsp *done = 0;
2998 fae7e038 2022-05-07 stsp *ndeltas = 0;
2999 fae7e038 2022-05-07 stsp
3000 fae7e038 2022-05-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3001 fae7e038 2022-05-07 stsp if (err)
3002 fae7e038 2022-05-07 stsp return err;
3003 fae7e038 2022-05-07 stsp
3004 fae7e038 2022-05-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3005 fae7e038 2022-05-07 stsp switch (imsg.hdr.type) {
3006 fae7e038 2022-05-07 stsp case GOT_IMSG_REUSED_DELTAS:
3007 fae7e038 2022-05-07 stsp if (datalen < sizeof(*ideltas)) {
3008 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
3009 fae7e038 2022-05-07 stsp break;
3010 fae7e038 2022-05-07 stsp }
3011 fae7e038 2022-05-07 stsp ideltas = imsg.data;
3012 fae7e038 2022-05-07 stsp if (ideltas->ndeltas > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS) {
3013 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
3014 fae7e038 2022-05-07 stsp break;
3015 fae7e038 2022-05-07 stsp }
3016 fae7e038 2022-05-07 stsp *ndeltas = ideltas->ndeltas;
3017 fae7e038 2022-05-07 stsp memcpy(deltas, (uint8_t *)imsg.data + sizeof(ideltas),
3018 fae7e038 2022-05-07 stsp *ndeltas * sizeof(*deltas));
3019 fae7e038 2022-05-07 stsp break;
3020 fae7e038 2022-05-07 stsp case GOT_IMSG_DELTA_REUSE_DONE:
3021 fae7e038 2022-05-07 stsp *done = 1;
3022 fae7e038 2022-05-07 stsp break;
3023 fae7e038 2022-05-07 stsp default:
3024 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
3025 fae7e038 2022-05-07 stsp break;
3026 fae7e038 2022-05-07 stsp }
3027 fae7e038 2022-05-07 stsp
3028 fae7e038 2022-05-07 stsp imsg_free(&imsg);
3029 fae7e038 2022-05-07 stsp
3030 67fd6849 2022-02-13 stsp return err;
3031 67fd6849 2022-02-13 stsp }
3032 67fd6849 2022-02-13 stsp
3033 67fd6849 2022-02-13 stsp const struct got_error *
3034 63219cd2 2019-01-04 stsp got_privsep_unveil_exec_helpers(void)
3035 63219cd2 2019-01-04 stsp {
3036 c39c25dd 2019-08-09 stsp const char *helpers[] = {
3037 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_PACK,
3038 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_OBJECT,
3039 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_COMMIT,
3040 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TREE,
3041 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_BLOB,
3042 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TAG,
3043 aba9c984 2019-09-08 stsp GOT_PATH_PROG_READ_GITCONFIG,
3044 257add31 2020-09-09 stsp GOT_PATH_PROG_READ_GOTCONFIG,
3045 e9ce266e 2022-03-07 op GOT_PATH_PROG_READ_PATCH,
3046 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_FETCH_PACK,
3047 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_INDEX_PACK,
3048 f8a36e22 2021-08-26 stsp GOT_PATH_PROG_SEND_PACK,
3049 c39c25dd 2019-08-09 stsp };
3050 16aeacf7 2020-11-26 stsp size_t i;
3051 63219cd2 2019-01-04 stsp
3052 c39c25dd 2019-08-09 stsp for (i = 0; i < nitems(helpers); i++) {
3053 c39c25dd 2019-08-09 stsp if (unveil(helpers[i], "x") == 0)
3054 c39c25dd 2019-08-09 stsp continue;
3055 c39c25dd 2019-08-09 stsp return got_error_from_errno2("unveil", helpers[i]);
3056 c39c25dd 2019-08-09 stsp }
3057 c39c25dd 2019-08-09 stsp
3058 63219cd2 2019-01-04 stsp return NULL;
3059 876c234b 2018-09-10 stsp }
3060 aba9c984 2019-09-08 stsp
3061 aba9c984 2019-09-08 stsp void
3062 aba9c984 2019-09-08 stsp got_privsep_exec_child(int imsg_fds[2], const char *path, const char *repo_path)
3063 aba9c984 2019-09-08 stsp {
3064 08578a35 2021-01-22 stsp if (close(imsg_fds[0]) == -1) {
3065 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3066 aba9c984 2019-09-08 stsp _exit(1);
3067 aba9c984 2019-09-08 stsp }
3068 aba9c984 2019-09-08 stsp
3069 aba9c984 2019-09-08 stsp if (dup2(imsg_fds[1], GOT_IMSG_FD_CHILD) == -1) {
3070 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3071 aba9c984 2019-09-08 stsp _exit(1);
3072 aba9c984 2019-09-08 stsp }
3073 aba9c984 2019-09-08 stsp
3074 4a55b231 2021-12-09 stsp closefrom(GOT_IMSG_FD_CHILD + 1);
3075 4a55b231 2021-12-09 stsp
3076 aba9c984 2019-09-08 stsp if (execl(path, path, repo_path, (char *)NULL) == -1) {
3077 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s: %s\n", getprogname(), path,
3078 aba9c984 2019-09-08 stsp strerror(errno));
3079 aba9c984 2019-09-08 stsp _exit(1);
3080 aba9c984 2019-09-08 stsp }
3081 aba9c984 2019-09-08 stsp }