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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 0ab4c957 2022-06-13 stsp send_tree_entries_batch(struct imsgbuf *ibuf,
1447 0ab4c957 2022-06-13 stsp struct got_parsed_tree_entry *entries, 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 0ab4c957 2022-06-13 stsp static const struct got_error *
1483 0ab4c957 2022-06-13 stsp send_tree_entries(struct imsgbuf *ibuf, struct got_parsed_tree_entry *entries,
1484 0ab4c957 2022-06-13 stsp 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 int i, j;
1488 0ab4c957 2022-06-13 stsp size_t entries_len = sizeof(struct got_imsg_tree_entries);
1489 33fd69c2 2022-05-19 stsp
1490 33fd69c2 2022-05-19 stsp i = 0;
1491 33fd69c2 2022-05-19 stsp for (j = 0; j < nentries; j++) {
1492 33fd69c2 2022-05-19 stsp struct got_parsed_tree_entry *pte = &entries[j];
1493 33fd69c2 2022-05-19 stsp size_t len = sizeof(*pte) + pte->namelen;
1494 33fd69c2 2022-05-19 stsp
1495 33fd69c2 2022-05-19 stsp if (j > 0 &&
1496 33fd69c2 2022-05-19 stsp entries_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1497 0ab4c957 2022-06-13 stsp err = send_tree_entries_batch(ibuf, entries,
1498 33fd69c2 2022-05-19 stsp i, j - 1, entries_len);
1499 33fd69c2 2022-05-19 stsp if (err)
1500 33fd69c2 2022-05-19 stsp return err;
1501 33fd69c2 2022-05-19 stsp i = j;
1502 33fd69c2 2022-05-19 stsp entries_len = sizeof(struct got_imsg_tree_entries);
1503 33fd69c2 2022-05-19 stsp }
1504 33fd69c2 2022-05-19 stsp
1505 33fd69c2 2022-05-19 stsp entries_len += len;
1506 e033d803 2018-04-23 stsp }
1507 e033d803 2018-04-23 stsp
1508 33fd69c2 2022-05-19 stsp if (j > 0) {
1509 0ab4c957 2022-06-13 stsp err = send_tree_entries_batch(ibuf, entries, i, j - 1,
1510 0ab4c957 2022-06-13 stsp entries_len);
1511 33fd69c2 2022-05-19 stsp if (err)
1512 33fd69c2 2022-05-19 stsp return err;
1513 33fd69c2 2022-05-19 stsp }
1514 cee6a7ea 2022-06-07 stsp
1515 0ab4c957 2022-06-13 stsp return NULL;
1516 0ab4c957 2022-06-13 stsp }
1517 0ab4c957 2022-06-13 stsp
1518 0ab4c957 2022-06-13 stsp const struct got_error *
1519 0ab4c957 2022-06-13 stsp got_privsep_send_tree(struct imsgbuf *ibuf,
1520 0ab4c957 2022-06-13 stsp struct got_parsed_tree_entry *entries, int nentries)
1521 0ab4c957 2022-06-13 stsp {
1522 0ab4c957 2022-06-13 stsp const struct got_error *err = NULL;
1523 0ab4c957 2022-06-13 stsp struct got_imsg_tree_object itree;
1524 0ab4c957 2022-06-13 stsp
1525 0ab4c957 2022-06-13 stsp itree.nentries = nentries;
1526 0ab4c957 2022-06-13 stsp if (imsg_compose(ibuf, GOT_IMSG_TREE, 0, 0, -1, &itree, sizeof(itree))
1527 0ab4c957 2022-06-13 stsp == -1)
1528 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_compose TREE");
1529 0ab4c957 2022-06-13 stsp
1530 0ab4c957 2022-06-13 stsp err = send_tree_entries(ibuf, entries, nentries);
1531 0ab4c957 2022-06-13 stsp if (err)
1532 0ab4c957 2022-06-13 stsp return err;
1533 0ab4c957 2022-06-13 stsp
1534 b00c9821 2018-11-04 stsp return flush_imsg(ibuf);
1535 0ab4c957 2022-06-13 stsp }
1536 0ab4c957 2022-06-13 stsp
1537 0ab4c957 2022-06-13 stsp
1538 0ab4c957 2022-06-13 stsp static const struct got_error *
1539 0ab4c957 2022-06-13 stsp recv_tree_entries(void *data, size_t datalen, struct got_tree_object *tree,
1540 0ab4c957 2022-06-13 stsp int *nentries)
1541 0ab4c957 2022-06-13 stsp {
1542 0ab4c957 2022-06-13 stsp const struct got_error *err = NULL;
1543 0ab4c957 2022-06-13 stsp struct got_imsg_tree_entries *ientries;
1544 0ab4c957 2022-06-13 stsp struct got_tree_entry *te;
1545 0ab4c957 2022-06-13 stsp size_t te_offset;
1546 0ab4c957 2022-06-13 stsp size_t i;
1547 0ab4c957 2022-06-13 stsp
1548 0ab4c957 2022-06-13 stsp if (datalen <= sizeof(*ientries) ||
1549 0ab4c957 2022-06-13 stsp datalen > MAX_IMSGSIZE - IMSG_HEADER_SIZE)
1550 0ab4c957 2022-06-13 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1551 0ab4c957 2022-06-13 stsp
1552 0ab4c957 2022-06-13 stsp ientries = (struct got_imsg_tree_entries *)data;
1553 0ab4c957 2022-06-13 stsp if (ientries->nentries > INT_MAX) {
1554 0ab4c957 2022-06-13 stsp return got_error_msg(GOT_ERR_NO_SPACE,
1555 0ab4c957 2022-06-13 stsp "too many tree entries");
1556 0ab4c957 2022-06-13 stsp }
1557 0ab4c957 2022-06-13 stsp
1558 0ab4c957 2022-06-13 stsp te_offset = sizeof(*ientries);
1559 0ab4c957 2022-06-13 stsp for (i = 0; i < ientries->nentries; i++) {
1560 0ab4c957 2022-06-13 stsp struct got_imsg_tree_entry ite;
1561 0ab4c957 2022-06-13 stsp const char *te_name;
1562 0ab4c957 2022-06-13 stsp uint8_t *buf = (uint8_t *)data + te_offset;
1563 0ab4c957 2022-06-13 stsp
1564 0ab4c957 2022-06-13 stsp if (te_offset >= datalen) {
1565 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1566 0ab4c957 2022-06-13 stsp break;
1567 0ab4c957 2022-06-13 stsp }
1568 0ab4c957 2022-06-13 stsp
1569 0ab4c957 2022-06-13 stsp /* Might not be aligned, size is ~32 bytes. */
1570 0ab4c957 2022-06-13 stsp memcpy(&ite, buf, sizeof(ite));
1571 0ab4c957 2022-06-13 stsp
1572 0ab4c957 2022-06-13 stsp if (ite.namelen >= sizeof(te->name)) {
1573 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1574 0ab4c957 2022-06-13 stsp break;
1575 0ab4c957 2022-06-13 stsp }
1576 0ab4c957 2022-06-13 stsp if (te_offset + sizeof(ite) + ite.namelen > datalen) {
1577 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1578 0ab4c957 2022-06-13 stsp break;
1579 0ab4c957 2022-06-13 stsp }
1580 0ab4c957 2022-06-13 stsp
1581 0ab4c957 2022-06-13 stsp if (*nentries >= tree->nentries) {
1582 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1583 0ab4c957 2022-06-13 stsp break;
1584 0ab4c957 2022-06-13 stsp }
1585 0ab4c957 2022-06-13 stsp te = &tree->entries[*nentries];
1586 0ab4c957 2022-06-13 stsp te_name = buf + sizeof(ite);
1587 0ab4c957 2022-06-13 stsp memcpy(te->name, te_name, ite.namelen);
1588 0ab4c957 2022-06-13 stsp te->name[ite.namelen] = '\0';
1589 0ab4c957 2022-06-13 stsp memcpy(te->id.sha1, ite.id, SHA1_DIGEST_LENGTH);
1590 0ab4c957 2022-06-13 stsp te->mode = ite.mode;
1591 0ab4c957 2022-06-13 stsp te->idx = *nentries;
1592 0ab4c957 2022-06-13 stsp (*nentries)++;
1593 0ab4c957 2022-06-13 stsp
1594 0ab4c957 2022-06-13 stsp te_offset += sizeof(ite) + ite.namelen;
1595 0ab4c957 2022-06-13 stsp }
1596 0ab4c957 2022-06-13 stsp
1597 0ab4c957 2022-06-13 stsp return err;
1598 cee6a7ea 2022-06-07 stsp }
1599 cee6a7ea 2022-06-07 stsp
1600 e033d803 2018-04-23 stsp const struct got_error *
1601 068fd2bf 2018-04-24 stsp got_privsep_recv_tree(struct got_tree_object **tree, struct imsgbuf *ibuf)
1602 e033d803 2018-04-23 stsp {
1603 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
1604 e033d803 2018-04-23 stsp const size_t min_datalen =
1605 e033d803 2018-04-23 stsp MIN(sizeof(struct got_imsg_error),
1606 e033d803 2018-04-23 stsp sizeof(struct got_imsg_tree_object));
1607 291624d8 2018-11-07 stsp struct got_imsg_tree_object *itree;
1608 e033d803 2018-04-23 stsp int nentries = 0;
1609 2178c42e 2018-04-22 stsp
1610 e033d803 2018-04-23 stsp *tree = NULL;
1611 7429ae85 2022-05-18 stsp
1612 e033d803 2018-04-23 stsp err = read_imsg(ibuf);
1613 e033d803 2018-04-23 stsp if (err)
1614 1e51f5b9 2018-04-23 stsp goto done;
1615 e033d803 2018-04-23 stsp
1616 656b1f76 2019-05-11 jcs for (;;) {
1617 e033d803 2018-04-23 stsp struct imsg imsg;
1618 e033d803 2018-04-23 stsp size_t n;
1619 e033d803 2018-04-23 stsp size_t datalen;
1620 e033d803 2018-04-23 stsp
1621 e033d803 2018-04-23 stsp n = imsg_get(ibuf, &imsg);
1622 e033d803 2018-04-23 stsp if (n == 0) {
1623 7429ae85 2022-05-18 stsp if ((*tree)) {
1624 7429ae85 2022-05-18 stsp if (nentries < (*tree)->nentries) {
1625 7429ae85 2022-05-18 stsp err = read_imsg(ibuf);
1626 7429ae85 2022-05-18 stsp if (err)
1627 7429ae85 2022-05-18 stsp break;
1628 7429ae85 2022-05-18 stsp continue;
1629 7429ae85 2022-05-18 stsp } else
1630 7429ae85 2022-05-18 stsp break;
1631 7429ae85 2022-05-18 stsp } else {
1632 7429ae85 2022-05-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1633 7429ae85 2022-05-18 stsp break;
1634 7429ae85 2022-05-18 stsp }
1635 e033d803 2018-04-23 stsp }
1636 e033d803 2018-04-23 stsp
1637 fca1f6ad 2020-08-27 stsp if (imsg.hdr.len < IMSG_HEADER_SIZE + min_datalen) {
1638 fca1f6ad 2020-08-27 stsp imsg_free(&imsg);
1639 fca1f6ad 2020-08-27 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1640 fca1f6ad 2020-08-27 stsp break;
1641 fca1f6ad 2020-08-27 stsp }
1642 e033d803 2018-04-23 stsp
1643 e033d803 2018-04-23 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1644 e033d803 2018-04-23 stsp
1645 e033d803 2018-04-23 stsp switch (imsg.hdr.type) {
1646 e033d803 2018-04-23 stsp case GOT_IMSG_ERROR:
1647 e033d803 2018-04-23 stsp err = recv_imsg_error(&imsg, datalen);
1648 e033d803 2018-04-23 stsp break;
1649 e033d803 2018-04-23 stsp case GOT_IMSG_TREE:
1650 e033d803 2018-04-23 stsp /* This message should only appear once. */
1651 e033d803 2018-04-23 stsp if (*tree != NULL) {
1652 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1653 e033d803 2018-04-23 stsp break;
1654 e033d803 2018-04-23 stsp }
1655 291624d8 2018-11-07 stsp if (datalen != sizeof(*itree)) {
1656 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1657 e033d803 2018-04-23 stsp break;
1658 e033d803 2018-04-23 stsp }
1659 291624d8 2018-11-07 stsp itree = imsg.data;
1660 13fcf1bf 2022-05-18 stsp if (itree->nentries < 0) {
1661 13fcf1bf 2022-05-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1662 13fcf1bf 2022-05-18 stsp break;
1663 13fcf1bf 2022-05-18 stsp }
1664 c3b78ecc 2018-11-07 stsp *tree = malloc(sizeof(**tree));
1665 e033d803 2018-04-23 stsp if (*tree == NULL) {
1666 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1667 e033d803 2018-04-23 stsp break;
1668 e033d803 2018-04-23 stsp }
1669 56e0773d 2019-11-28 stsp (*tree)->entries = calloc(itree->nentries,
1670 56e0773d 2019-11-28 stsp sizeof(struct got_tree_entry));
1671 56e0773d 2019-11-28 stsp if ((*tree)->entries == NULL) {
1672 56e0773d 2019-11-28 stsp err = got_error_from_errno("malloc");
1673 baef4d75 2022-05-18 stsp free(*tree);
1674 baef4d75 2022-05-18 stsp *tree = NULL;
1675 56e0773d 2019-11-28 stsp break;
1676 56e0773d 2019-11-28 stsp }
1677 56e0773d 2019-11-28 stsp (*tree)->nentries = itree->nentries;
1678 c3b78ecc 2018-11-07 stsp (*tree)->refcnt = 0;
1679 e033d803 2018-04-23 stsp break;
1680 33fd69c2 2022-05-19 stsp case GOT_IMSG_TREE_ENTRIES:
1681 e033d803 2018-04-23 stsp /* This message should be preceeded by GOT_IMSG_TREE. */
1682 e033d803 2018-04-23 stsp if (*tree == NULL) {
1683 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1684 e033d803 2018-04-23 stsp break;
1685 e033d803 2018-04-23 stsp }
1686 0ab4c957 2022-06-13 stsp err = recv_tree_entries(imsg.data, datalen,
1687 0ab4c957 2022-06-13 stsp *tree, &nentries);
1688 e033d803 2018-04-23 stsp break;
1689 e033d803 2018-04-23 stsp default:
1690 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1691 e033d803 2018-04-23 stsp break;
1692 e033d803 2018-04-23 stsp }
1693 e033d803 2018-04-23 stsp
1694 e033d803 2018-04-23 stsp imsg_free(&imsg);
1695 d6b7d054 2020-08-27 stsp if (err)
1696 d6b7d054 2020-08-27 stsp break;
1697 e033d803 2018-04-23 stsp }
1698 1e51f5b9 2018-04-23 stsp done:
1699 56e0773d 2019-11-28 stsp if (*tree && (*tree)->nentries != nentries) {
1700 1e51f5b9 2018-04-23 stsp if (err == NULL)
1701 1e51f5b9 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1702 e033d803 2018-04-23 stsp got_object_tree_close(*tree);
1703 e033d803 2018-04-23 stsp *tree = NULL;
1704 ff6b18f8 2018-04-24 stsp }
1705 ff6b18f8 2018-04-24 stsp
1706 ff6b18f8 2018-04-24 stsp return err;
1707 ff6b18f8 2018-04-24 stsp }
1708 ff6b18f8 2018-04-24 stsp
1709 ff6b18f8 2018-04-24 stsp const struct got_error *
1710 ac544f8c 2019-01-13 stsp got_privsep_send_blob(struct imsgbuf *ibuf, size_t size, size_t hdrlen,
1711 ac544f8c 2019-01-13 stsp const uint8_t *data)
1712 ff6b18f8 2018-04-24 stsp {
1713 2967a784 2018-04-24 stsp struct got_imsg_blob iblob;
1714 2967a784 2018-04-24 stsp
1715 2967a784 2018-04-24 stsp iblob.size = size;
1716 ebc55e2d 2018-12-24 stsp iblob.hdrlen = hdrlen;
1717 2967a784 2018-04-24 stsp
1718 ac544f8c 2019-01-13 stsp if (data) {
1719 ac544f8c 2019-01-13 stsp uint8_t *buf;
1720 ac544f8c 2019-01-13 stsp
1721 ac544f8c 2019-01-13 stsp if (size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX)
1722 ac544f8c 2019-01-13 stsp return got_error(GOT_ERR_NO_SPACE);
1723 ac544f8c 2019-01-13 stsp
1724 ac544f8c 2019-01-13 stsp buf = malloc(sizeof(iblob) + size);
1725 ac544f8c 2019-01-13 stsp if (buf == NULL)
1726 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1727 ff6b18f8 2018-04-24 stsp
1728 ac544f8c 2019-01-13 stsp memcpy(buf, &iblob, sizeof(iblob));
1729 ac544f8c 2019-01-13 stsp memcpy(buf + sizeof(iblob), data, size);
1730 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, buf,
1731 62d463ca 2020-10-20 naddy sizeof(iblob) + size) == -1) {
1732 ac544f8c 2019-01-13 stsp free(buf);
1733 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1734 ac544f8c 2019-01-13 stsp }
1735 ac544f8c 2019-01-13 stsp free(buf);
1736 ac544f8c 2019-01-13 stsp } else {
1737 ac544f8c 2019-01-13 stsp /* Data has already been written to file descriptor. */
1738 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, &iblob,
1739 ac544f8c 2019-01-13 stsp sizeof(iblob)) == -1)
1740 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1741 ac544f8c 2019-01-13 stsp }
1742 ac544f8c 2019-01-13 stsp
1743 ac544f8c 2019-01-13 stsp
1744 ff6b18f8 2018-04-24 stsp return flush_imsg(ibuf);
1745 ff6b18f8 2018-04-24 stsp }
1746 ff6b18f8 2018-04-24 stsp
1747 ff6b18f8 2018-04-24 stsp const struct got_error *
1748 ac544f8c 2019-01-13 stsp got_privsep_recv_blob(uint8_t **outbuf, size_t *size, size_t *hdrlen,
1749 ac544f8c 2019-01-13 stsp struct imsgbuf *ibuf)
1750 ff6b18f8 2018-04-24 stsp {
1751 ff6b18f8 2018-04-24 stsp const struct got_error *err = NULL;
1752 ff6b18f8 2018-04-24 stsp struct imsg imsg;
1753 291624d8 2018-11-07 stsp struct got_imsg_blob *iblob;
1754 ff6b18f8 2018-04-24 stsp size_t datalen;
1755 ff6b18f8 2018-04-24 stsp
1756 ac544f8c 2019-01-13 stsp *outbuf = NULL;
1757 ac544f8c 2019-01-13 stsp
1758 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1759 ff6b18f8 2018-04-24 stsp if (err)
1760 ff6b18f8 2018-04-24 stsp return err;
1761 ff6b18f8 2018-04-24 stsp
1762 ff6b18f8 2018-04-24 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1763 ff6b18f8 2018-04-24 stsp
1764 ff6b18f8 2018-04-24 stsp switch (imsg.hdr.type) {
1765 ff6b18f8 2018-04-24 stsp case GOT_IMSG_BLOB:
1766 ac544f8c 2019-01-13 stsp if (datalen < sizeof(*iblob)) {
1767 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1768 18336eed 2018-11-04 stsp break;
1769 18336eed 2018-11-04 stsp }
1770 291624d8 2018-11-07 stsp iblob = imsg.data;
1771 291624d8 2018-11-07 stsp *size = iblob->size;
1772 ebc55e2d 2018-12-24 stsp *hdrlen = iblob->hdrlen;
1773 ac544f8c 2019-01-13 stsp
1774 ac544f8c 2019-01-13 stsp if (datalen == sizeof(*iblob)) {
1775 ac544f8c 2019-01-13 stsp /* Data has been written to file descriptor. */
1776 ac544f8c 2019-01-13 stsp break;
1777 ac544f8c 2019-01-13 stsp }
1778 ac544f8c 2019-01-13 stsp
1779 ac544f8c 2019-01-13 stsp if (*size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX) {
1780 ac544f8c 2019-01-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1781 ac544f8c 2019-01-13 stsp break;
1782 ac544f8c 2019-01-13 stsp }
1783 ac544f8c 2019-01-13 stsp
1784 ac544f8c 2019-01-13 stsp *outbuf = malloc(*size);
1785 ac544f8c 2019-01-13 stsp if (*outbuf == NULL) {
1786 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1787 ac544f8c 2019-01-13 stsp break;
1788 ac544f8c 2019-01-13 stsp }
1789 ac544f8c 2019-01-13 stsp memcpy(*outbuf, imsg.data + sizeof(*iblob), *size);
1790 f4a881ce 2018-11-17 stsp break;
1791 f4a881ce 2018-11-17 stsp default:
1792 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1793 f4a881ce 2018-11-17 stsp break;
1794 f4a881ce 2018-11-17 stsp }
1795 f4a881ce 2018-11-17 stsp
1796 f4a881ce 2018-11-17 stsp imsg_free(&imsg);
1797 f4a881ce 2018-11-17 stsp
1798 f4a881ce 2018-11-17 stsp return err;
1799 f4a881ce 2018-11-17 stsp }
1800 f4a881ce 2018-11-17 stsp
1801 f4a881ce 2018-11-17 stsp static const struct got_error *
1802 f4a881ce 2018-11-17 stsp send_tagmsg(struct imsgbuf *ibuf, struct got_tag_object *tag, size_t tagmsg_len)
1803 f4a881ce 2018-11-17 stsp {
1804 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1805 f4a881ce 2018-11-17 stsp size_t offset, remain;
1806 f4a881ce 2018-11-17 stsp
1807 f4a881ce 2018-11-17 stsp offset = 0;
1808 f4a881ce 2018-11-17 stsp remain = tagmsg_len;
1809 f4a881ce 2018-11-17 stsp while (remain > 0) {
1810 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1811 f4a881ce 2018-11-17 stsp
1812 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_TAGMSG, 0, 0, -1,
1813 f4a881ce 2018-11-17 stsp tag->tagmsg + offset, n) == -1) {
1814 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG_TAGMSG");
1815 f4a881ce 2018-11-17 stsp break;
1816 f4a881ce 2018-11-17 stsp }
1817 f4a881ce 2018-11-17 stsp
1818 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1819 f4a881ce 2018-11-17 stsp if (err)
1820 f4a881ce 2018-11-17 stsp break;
1821 f4a881ce 2018-11-17 stsp
1822 f4a881ce 2018-11-17 stsp offset += n;
1823 f4a881ce 2018-11-17 stsp remain -= n;
1824 f4a881ce 2018-11-17 stsp }
1825 f4a881ce 2018-11-17 stsp
1826 f4a881ce 2018-11-17 stsp return err;
1827 f4a881ce 2018-11-17 stsp }
1828 f4a881ce 2018-11-17 stsp
1829 f4a881ce 2018-11-17 stsp const struct got_error *
1830 f4a881ce 2018-11-17 stsp got_privsep_send_tag(struct imsgbuf *ibuf, struct got_tag_object *tag)
1831 f4a881ce 2018-11-17 stsp {
1832 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1833 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1834 f4a881ce 2018-11-17 stsp uint8_t *buf;
1835 f4a881ce 2018-11-17 stsp size_t len, total;
1836 f4a881ce 2018-11-17 stsp size_t tag_len = strlen(tag->tag);
1837 f4a881ce 2018-11-17 stsp size_t tagger_len = strlen(tag->tagger);
1838 f4a881ce 2018-11-17 stsp size_t tagmsg_len = strlen(tag->tagmsg);
1839 f4a881ce 2018-11-17 stsp
1840 f4a881ce 2018-11-17 stsp total = sizeof(*itag) + tag_len + tagger_len + tagmsg_len;
1841 f4a881ce 2018-11-17 stsp
1842 f4a881ce 2018-11-17 stsp buf = malloc(total);
1843 f4a881ce 2018-11-17 stsp if (buf == NULL)
1844 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1845 f4a881ce 2018-11-17 stsp
1846 f4a881ce 2018-11-17 stsp itag = (struct got_imsg_tag_object *)buf;
1847 f4a881ce 2018-11-17 stsp memcpy(itag->id, tag->id.sha1, sizeof(itag->id));
1848 f4a881ce 2018-11-17 stsp itag->obj_type = tag->obj_type;
1849 f4a881ce 2018-11-17 stsp itag->tag_len = tag_len;
1850 f4a881ce 2018-11-17 stsp itag->tagger_len = tagger_len;
1851 f4a881ce 2018-11-17 stsp itag->tagger_time = tag->tagger_time;
1852 f4a881ce 2018-11-17 stsp itag->tagger_gmtoff = tag->tagger_gmtoff;
1853 f4a881ce 2018-11-17 stsp itag->tagmsg_len = tagmsg_len;
1854 f4a881ce 2018-11-17 stsp
1855 f4a881ce 2018-11-17 stsp len = sizeof(*itag);
1856 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tag, tag_len);
1857 f4a881ce 2018-11-17 stsp len += tag_len;
1858 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tagger, tagger_len);
1859 f4a881ce 2018-11-17 stsp len += tagger_len;
1860 f4a881ce 2018-11-17 stsp
1861 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG, 0, 0, -1, buf, len) == -1) {
1862 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG");
1863 f4a881ce 2018-11-17 stsp goto done;
1864 f4a881ce 2018-11-17 stsp }
1865 f4a881ce 2018-11-17 stsp
1866 f4a881ce 2018-11-17 stsp if (tagmsg_len == 0 ||
1867 f4a881ce 2018-11-17 stsp tagmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1868 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1869 f4a881ce 2018-11-17 stsp if (err)
1870 f4a881ce 2018-11-17 stsp goto done;
1871 f4a881ce 2018-11-17 stsp }
1872 f4a881ce 2018-11-17 stsp err = send_tagmsg(ibuf, tag, tagmsg_len);
1873 f4a881ce 2018-11-17 stsp done:
1874 f4a881ce 2018-11-17 stsp free(buf);
1875 f4a881ce 2018-11-17 stsp return err;
1876 f4a881ce 2018-11-17 stsp }
1877 f4a881ce 2018-11-17 stsp
1878 f4a881ce 2018-11-17 stsp const struct got_error *
1879 f4a881ce 2018-11-17 stsp got_privsep_recv_tag(struct got_tag_object **tag, struct imsgbuf *ibuf)
1880 f4a881ce 2018-11-17 stsp {
1881 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1882 f4a881ce 2018-11-17 stsp struct imsg imsg;
1883 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1884 f4a881ce 2018-11-17 stsp size_t len, datalen;
1885 f4a881ce 2018-11-17 stsp const size_t min_datalen =
1886 f4a881ce 2018-11-17 stsp MIN(sizeof(struct got_imsg_error),
1887 f4a881ce 2018-11-17 stsp sizeof(struct got_imsg_tag_object));
1888 f4a881ce 2018-11-17 stsp
1889 f4a881ce 2018-11-17 stsp *tag = NULL;
1890 f4a881ce 2018-11-17 stsp
1891 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1892 f4a881ce 2018-11-17 stsp if (err)
1893 f4a881ce 2018-11-17 stsp return err;
1894 f4a881ce 2018-11-17 stsp
1895 f4a881ce 2018-11-17 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1896 f4a881ce 2018-11-17 stsp len = 0;
1897 f4a881ce 2018-11-17 stsp
1898 f4a881ce 2018-11-17 stsp switch (imsg.hdr.type) {
1899 f4a881ce 2018-11-17 stsp case GOT_IMSG_TAG:
1900 f4a881ce 2018-11-17 stsp if (datalen < sizeof(*itag)) {
1901 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1902 f4a881ce 2018-11-17 stsp break;
1903 f4a881ce 2018-11-17 stsp }
1904 f4a881ce 2018-11-17 stsp itag = imsg.data;
1905 f4a881ce 2018-11-17 stsp if (datalen != sizeof(*itag) + itag->tag_len +
1906 f4a881ce 2018-11-17 stsp itag->tagger_len) {
1907 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1908 f4a881ce 2018-11-17 stsp break;
1909 f4a881ce 2018-11-17 stsp }
1910 f4a881ce 2018-11-17 stsp len += sizeof(*itag);
1911 f4a881ce 2018-11-17 stsp
1912 f4a881ce 2018-11-17 stsp *tag = calloc(1, sizeof(**tag));
1913 f4a881ce 2018-11-17 stsp if (*tag == NULL) {
1914 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
1915 f4a881ce 2018-11-17 stsp break;
1916 f4a881ce 2018-11-17 stsp }
1917 f4a881ce 2018-11-17 stsp
1918 f4a881ce 2018-11-17 stsp memcpy((*tag)->id.sha1, itag->id, SHA1_DIGEST_LENGTH);
1919 f4a881ce 2018-11-17 stsp
1920 f4a881ce 2018-11-17 stsp if (itag->tag_len == 0) {
1921 f4a881ce 2018-11-17 stsp (*tag)->tag = strdup("");
1922 f4a881ce 2018-11-17 stsp if ((*tag)->tag == NULL) {
1923 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1924 f4a881ce 2018-11-17 stsp break;
1925 f4a881ce 2018-11-17 stsp }
1926 f4a881ce 2018-11-17 stsp } else {
1927 f4a881ce 2018-11-17 stsp (*tag)->tag = malloc(itag->tag_len + 1);
1928 f4a881ce 2018-11-17 stsp if ((*tag)->tag == NULL) {
1929 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1930 f4a881ce 2018-11-17 stsp break;
1931 f4a881ce 2018-11-17 stsp }
1932 f4a881ce 2018-11-17 stsp memcpy((*tag)->tag, imsg.data + len,
1933 f4a881ce 2018-11-17 stsp itag->tag_len);
1934 f4a881ce 2018-11-17 stsp (*tag)->tag[itag->tag_len] = '\0';
1935 f4a881ce 2018-11-17 stsp }
1936 f4a881ce 2018-11-17 stsp len += itag->tag_len;
1937 f4a881ce 2018-11-17 stsp
1938 f4a881ce 2018-11-17 stsp (*tag)->obj_type = itag->obj_type;
1939 f4a881ce 2018-11-17 stsp (*tag)->tagger_time = itag->tagger_time;
1940 f4a881ce 2018-11-17 stsp (*tag)->tagger_gmtoff = itag->tagger_gmtoff;
1941 f4a881ce 2018-11-17 stsp
1942 f4a881ce 2018-11-17 stsp if (itag->tagger_len == 0) {
1943 f4a881ce 2018-11-17 stsp (*tag)->tagger = strdup("");
1944 f4a881ce 2018-11-17 stsp if ((*tag)->tagger == NULL) {
1945 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1946 f4a881ce 2018-11-17 stsp break;
1947 f4a881ce 2018-11-17 stsp }
1948 f4a881ce 2018-11-17 stsp } else {
1949 f4a881ce 2018-11-17 stsp (*tag)->tagger = malloc(itag->tagger_len + 1);
1950 f4a881ce 2018-11-17 stsp if ((*tag)->tagger == NULL) {
1951 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1952 f4a881ce 2018-11-17 stsp break;
1953 f4a881ce 2018-11-17 stsp }
1954 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagger, imsg.data + len,
1955 f4a881ce 2018-11-17 stsp itag->tagger_len);
1956 f4a881ce 2018-11-17 stsp (*tag)->tagger[itag->tagger_len] = '\0';
1957 f4a881ce 2018-11-17 stsp }
1958 f4a881ce 2018-11-17 stsp len += itag->tagger_len;
1959 f4a881ce 2018-11-17 stsp
1960 f4a881ce 2018-11-17 stsp if (itag->tagmsg_len == 0) {
1961 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = strdup("");
1962 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1963 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1964 f4a881ce 2018-11-17 stsp break;
1965 f4a881ce 2018-11-17 stsp }
1966 f4a881ce 2018-11-17 stsp } else {
1967 f4a881ce 2018-11-17 stsp size_t offset = 0, remain = itag->tagmsg_len;
1968 f4a881ce 2018-11-17 stsp
1969 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = malloc(itag->tagmsg_len + 1);
1970 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1971 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1972 f4a881ce 2018-11-17 stsp break;
1973 f4a881ce 2018-11-17 stsp }
1974 f4a881ce 2018-11-17 stsp while (remain > 0) {
1975 f4a881ce 2018-11-17 stsp struct imsg imsg_log;
1976 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1977 f4a881ce 2018-11-17 stsp remain);
1978 f4a881ce 2018-11-17 stsp
1979 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1980 f4a881ce 2018-11-17 stsp if (err)
1981 f4a881ce 2018-11-17 stsp return err;
1982 f4a881ce 2018-11-17 stsp
1983 f4a881ce 2018-11-17 stsp if (imsg_log.hdr.type != GOT_IMSG_TAG_TAGMSG)
1984 f4a881ce 2018-11-17 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
1985 f4a881ce 2018-11-17 stsp
1986 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagmsg + offset, imsg_log.data,
1987 f4a881ce 2018-11-17 stsp n);
1988 f4a881ce 2018-11-17 stsp imsg_free(&imsg_log);
1989 f4a881ce 2018-11-17 stsp offset += n;
1990 f4a881ce 2018-11-17 stsp remain -= n;
1991 f4a881ce 2018-11-17 stsp }
1992 f4a881ce 2018-11-17 stsp (*tag)->tagmsg[itag->tagmsg_len] = '\0';
1993 f4a881ce 2018-11-17 stsp }
1994 f4a881ce 2018-11-17 stsp
1995 ff6b18f8 2018-04-24 stsp break;
1996 ff6b18f8 2018-04-24 stsp default:
1997 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1998 ff6b18f8 2018-04-24 stsp break;
1999 e033d803 2018-04-23 stsp }
2000 e033d803 2018-04-23 stsp
2001 ff6b18f8 2018-04-24 stsp imsg_free(&imsg);
2002 ff6b18f8 2018-04-24 stsp
2003 2178c42e 2018-04-22 stsp return err;
2004 2178c42e 2018-04-22 stsp }
2005 876c234b 2018-09-10 stsp
2006 876c234b 2018-09-10 stsp const struct got_error *
2007 876c234b 2018-09-10 stsp got_privsep_init_pack_child(struct imsgbuf *ibuf, struct got_pack *pack,
2008 876c234b 2018-09-10 stsp struct got_packidx *packidx)
2009 876c234b 2018-09-10 stsp {
2010 41496140 2019-02-21 stsp const struct got_error *err = NULL;
2011 876c234b 2018-09-10 stsp struct got_imsg_packidx ipackidx;
2012 876c234b 2018-09-10 stsp struct got_imsg_pack ipack;
2013 876c234b 2018-09-10 stsp int fd;
2014 876c234b 2018-09-10 stsp
2015 876c234b 2018-09-10 stsp ipackidx.len = packidx->len;
2016 c3564dfa 2021-07-15 stsp ipackidx.packfile_size = pack->filesize;
2017 876c234b 2018-09-10 stsp fd = dup(packidx->fd);
2018 876c234b 2018-09-10 stsp if (fd == -1)
2019 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
2020 876c234b 2018-09-10 stsp
2021 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKIDX, 0, 0, fd, &ipackidx,
2022 41496140 2019-02-21 stsp sizeof(ipackidx)) == -1) {
2023 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACKIDX");
2024 41496140 2019-02-21 stsp close(fd);
2025 41496140 2019-02-21 stsp return err;
2026 41496140 2019-02-21 stsp }
2027 876c234b 2018-09-10 stsp
2028 876c234b 2018-09-10 stsp if (strlcpy(ipack.path_packfile, pack->path_packfile,
2029 876c234b 2018-09-10 stsp sizeof(ipack.path_packfile)) >= sizeof(ipack.path_packfile))
2030 876c234b 2018-09-10 stsp return got_error(GOT_ERR_NO_SPACE);
2031 876c234b 2018-09-10 stsp ipack.filesize = pack->filesize;
2032 876c234b 2018-09-10 stsp
2033 876c234b 2018-09-10 stsp fd = dup(pack->fd);
2034 876c234b 2018-09-10 stsp if (fd == -1)
2035 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
2036 876c234b 2018-09-10 stsp
2037 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACK, 0, 0, fd, &ipack, sizeof(ipack))
2038 41496140 2019-02-21 stsp == -1) {
2039 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACK");
2040 41496140 2019-02-21 stsp close(fd);
2041 41496140 2019-02-21 stsp return err;
2042 41496140 2019-02-21 stsp }
2043 876c234b 2018-09-10 stsp
2044 876c234b 2018-09-10 stsp return flush_imsg(ibuf);
2045 876c234b 2018-09-10 stsp }
2046 876c234b 2018-09-10 stsp
2047 876c234b 2018-09-10 stsp const struct got_error *
2048 106807b4 2018-09-15 stsp got_privsep_send_packed_obj_req(struct imsgbuf *ibuf, int idx,
2049 106807b4 2018-09-15 stsp struct got_object_id *id)
2050 876c234b 2018-09-10 stsp {
2051 876c234b 2018-09-10 stsp struct got_imsg_packed_object iobj;
2052 876c234b 2018-09-10 stsp
2053 876c234b 2018-09-10 stsp iobj.idx = idx;
2054 106807b4 2018-09-15 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
2055 876c234b 2018-09-10 stsp
2056 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_OBJECT_REQUEST, 0, 0, -1,
2057 876c234b 2018-09-10 stsp &iobj, sizeof(iobj)) == -1)
2058 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose "
2059 230a42bd 2019-05-11 jcs "PACKED_OBJECT_REQUEST");
2060 aba9c984 2019-09-08 stsp
2061 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2062 aba9c984 2019-09-08 stsp }
2063 aba9c984 2019-09-08 stsp
2064 aba9c984 2019-09-08 stsp const struct got_error *
2065 59d1e4a0 2021-03-10 stsp got_privsep_send_packed_raw_obj_req(struct imsgbuf *ibuf, int idx,
2066 59d1e4a0 2021-03-10 stsp struct got_object_id *id)
2067 59d1e4a0 2021-03-10 stsp {
2068 59d1e4a0 2021-03-10 stsp struct got_imsg_packed_object iobj;
2069 59d1e4a0 2021-03-10 stsp
2070 59d1e4a0 2021-03-10 stsp iobj.idx = idx;
2071 59d1e4a0 2021-03-10 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
2072 59d1e4a0 2021-03-10 stsp
2073 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_RAW_OBJECT_REQUEST, 0, 0, -1,
2074 59d1e4a0 2021-03-10 stsp &iobj, sizeof(iobj)) == -1)
2075 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose "
2076 59d1e4a0 2021-03-10 stsp "PACKED_OBJECT_REQUEST");
2077 59d1e4a0 2021-03-10 stsp
2078 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
2079 59d1e4a0 2021-03-10 stsp }
2080 59d1e4a0 2021-03-10 stsp
2081 59d1e4a0 2021-03-10 stsp const struct got_error *
2082 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_parse_req(struct imsgbuf *ibuf, int fd)
2083 aba9c984 2019-09-08 stsp {
2084 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2085 aba9c984 2019-09-08 stsp
2086 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_PARSE_REQUEST, 0, 0, fd,
2087 aba9c984 2019-09-08 stsp NULL, 0) == -1) {
2088 aba9c984 2019-09-08 stsp err = got_error_from_errno("imsg_compose "
2089 aba9c984 2019-09-08 stsp "GITCONFIG_PARSE_REQUEST");
2090 aba9c984 2019-09-08 stsp close(fd);
2091 aba9c984 2019-09-08 stsp return err;
2092 aba9c984 2019-09-08 stsp }
2093 aba9c984 2019-09-08 stsp
2094 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2095 aba9c984 2019-09-08 stsp }
2096 aba9c984 2019-09-08 stsp
2097 aba9c984 2019-09-08 stsp const struct got_error *
2098 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_repository_format_version_req(struct imsgbuf *ibuf)
2099 aba9c984 2019-09-08 stsp {
2100 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2101 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST, 0, 0, -1,
2102 aba9c984 2019-09-08 stsp NULL, 0) == -1)
2103 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2104 aba9c984 2019-09-08 stsp "GITCONFIG_REPOSITORY_FORMAT_VERSION_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 20b7abb3 2020-10-22 stsp got_privsep_send_gitconfig_repository_extensions_req(struct imsgbuf *ibuf)
2111 20b7abb3 2020-10-22 stsp {
2112 20b7abb3 2020-10-22 stsp if (imsg_compose(ibuf,
2113 20b7abb3 2020-10-22 stsp GOT_IMSG_GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST, 0, 0, -1,
2114 20b7abb3 2020-10-22 stsp NULL, 0) == -1)
2115 20b7abb3 2020-10-22 stsp return got_error_from_errno("imsg_compose "
2116 20b7abb3 2020-10-22 stsp "GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST");
2117 20b7abb3 2020-10-22 stsp
2118 20b7abb3 2020-10-22 stsp return flush_imsg(ibuf);
2119 20b7abb3 2020-10-22 stsp }
2120 20b7abb3 2020-10-22 stsp
2121 20b7abb3 2020-10-22 stsp
2122 20b7abb3 2020-10-22 stsp const struct got_error *
2123 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_name_req(struct imsgbuf *ibuf)
2124 aba9c984 2019-09-08 stsp {
2125 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2126 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_NAME_REQUEST, 0, 0, -1, NULL, 0) == -1)
2127 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2128 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_NAME_REQUEST");
2129 aba9c984 2019-09-08 stsp
2130 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2131 aba9c984 2019-09-08 stsp }
2132 aba9c984 2019-09-08 stsp
2133 aba9c984 2019-09-08 stsp const struct got_error *
2134 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_email_req(struct imsgbuf *ibuf)
2135 aba9c984 2019-09-08 stsp {
2136 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2137 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_EMAIL_REQUEST, 0, 0, -1, NULL, 0) == -1)
2138 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2139 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_EMAIL_REQUEST");
2140 cd95becd 2019-11-29 stsp
2141 cd95becd 2019-11-29 stsp return flush_imsg(ibuf);
2142 cd95becd 2019-11-29 stsp }
2143 cd95becd 2019-11-29 stsp
2144 cd95becd 2019-11-29 stsp const struct got_error *
2145 cd95becd 2019-11-29 stsp got_privsep_send_gitconfig_remotes_req(struct imsgbuf *ibuf)
2146 cd95becd 2019-11-29 stsp {
2147 cd95becd 2019-11-29 stsp if (imsg_compose(ibuf,
2148 cd95becd 2019-11-29 stsp GOT_IMSG_GITCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2149 cd95becd 2019-11-29 stsp return got_error_from_errno("imsg_compose "
2150 cd95becd 2019-11-29 stsp "GITCONFIG_REMOTE_REQUEST");
2151 aba9c984 2019-09-08 stsp
2152 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2153 aba9c984 2019-09-08 stsp }
2154 aba9c984 2019-09-08 stsp
2155 aba9c984 2019-09-08 stsp const struct got_error *
2156 9a1cc63f 2020-02-03 stsp got_privsep_send_gitconfig_owner_req(struct imsgbuf *ibuf)
2157 9a1cc63f 2020-02-03 stsp {
2158 9a1cc63f 2020-02-03 stsp if (imsg_compose(ibuf,
2159 9a1cc63f 2020-02-03 stsp GOT_IMSG_GITCONFIG_OWNER_REQUEST, 0, 0, -1, NULL, 0) == -1)
2160 9a1cc63f 2020-02-03 stsp return got_error_from_errno("imsg_compose "
2161 9a1cc63f 2020-02-03 stsp "GITCONFIG_OWNER_REQUEST");
2162 9a1cc63f 2020-02-03 stsp
2163 9a1cc63f 2020-02-03 stsp return flush_imsg(ibuf);
2164 9a1cc63f 2020-02-03 stsp }
2165 9a1cc63f 2020-02-03 stsp
2166 9a1cc63f 2020-02-03 stsp const struct got_error *
2167 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_str(char **str, struct imsgbuf *ibuf)
2168 aba9c984 2019-09-08 stsp {
2169 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2170 aba9c984 2019-09-08 stsp struct imsg imsg;
2171 aba9c984 2019-09-08 stsp size_t datalen;
2172 aba9c984 2019-09-08 stsp const size_t min_datalen = 0;
2173 aba9c984 2019-09-08 stsp
2174 aba9c984 2019-09-08 stsp *str = NULL;
2175 aba9c984 2019-09-08 stsp
2176 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2177 aba9c984 2019-09-08 stsp if (err)
2178 aba9c984 2019-09-08 stsp return err;
2179 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2180 aba9c984 2019-09-08 stsp
2181 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2182 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_STR_VAL:
2183 aba9c984 2019-09-08 stsp if (datalen == 0)
2184 aba9c984 2019-09-08 stsp break;
2185 6c13dcd2 2020-09-18 stsp /* datalen does not include terminating \0 */
2186 6c13dcd2 2020-09-18 stsp *str = malloc(datalen + 1);
2187 aba9c984 2019-09-08 stsp if (*str == NULL) {
2188 aba9c984 2019-09-08 stsp err = got_error_from_errno("malloc");
2189 aba9c984 2019-09-08 stsp break;
2190 aba9c984 2019-09-08 stsp }
2191 6c13dcd2 2020-09-18 stsp memcpy(*str, imsg.data, datalen);
2192 6c13dcd2 2020-09-18 stsp (*str)[datalen] = '\0';
2193 aba9c984 2019-09-08 stsp break;
2194 aba9c984 2019-09-08 stsp default:
2195 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2196 aba9c984 2019-09-08 stsp break;
2197 aba9c984 2019-09-08 stsp }
2198 876c234b 2018-09-10 stsp
2199 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2200 aba9c984 2019-09-08 stsp return err;
2201 aba9c984 2019-09-08 stsp }
2202 aba9c984 2019-09-08 stsp
2203 aba9c984 2019-09-08 stsp const struct got_error *
2204 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_int(int *val, struct imsgbuf *ibuf)
2205 aba9c984 2019-09-08 stsp {
2206 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2207 aba9c984 2019-09-08 stsp struct imsg imsg;
2208 aba9c984 2019-09-08 stsp size_t datalen;
2209 aba9c984 2019-09-08 stsp const size_t min_datalen =
2210 aba9c984 2019-09-08 stsp MIN(sizeof(struct got_imsg_error), sizeof(int));
2211 aba9c984 2019-09-08 stsp
2212 aba9c984 2019-09-08 stsp *val = 0;
2213 aba9c984 2019-09-08 stsp
2214 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2215 aba9c984 2019-09-08 stsp if (err)
2216 aba9c984 2019-09-08 stsp return err;
2217 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2218 aba9c984 2019-09-08 stsp
2219 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2220 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_INT_VAL:
2221 aba9c984 2019-09-08 stsp if (datalen != sizeof(*val)) {
2222 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2223 aba9c984 2019-09-08 stsp break;
2224 aba9c984 2019-09-08 stsp }
2225 aba9c984 2019-09-08 stsp memcpy(val, imsg.data, sizeof(*val));
2226 cd95becd 2019-11-29 stsp break;
2227 cd95becd 2019-11-29 stsp default:
2228 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2229 cd95becd 2019-11-29 stsp break;
2230 cd95becd 2019-11-29 stsp }
2231 cd95becd 2019-11-29 stsp
2232 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2233 cd95becd 2019-11-29 stsp return err;
2234 b8adfa55 2020-09-25 stsp }
2235 b8adfa55 2020-09-25 stsp
2236 b8adfa55 2020-09-25 stsp static void
2237 b8adfa55 2020-09-25 stsp free_remote_data(struct got_remote_repo *remote)
2238 b8adfa55 2020-09-25 stsp {
2239 b8adfa55 2020-09-25 stsp int i;
2240 b8adfa55 2020-09-25 stsp
2241 b8adfa55 2020-09-25 stsp free(remote->name);
2242 6480c871 2021-08-30 stsp free(remote->fetch_url);
2243 6480c871 2021-08-30 stsp free(remote->send_url);
2244 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_branches; i++)
2245 6480c871 2021-08-30 stsp free(remote->fetch_branches[i]);
2246 6480c871 2021-08-30 stsp free(remote->fetch_branches);
2247 6480c871 2021-08-30 stsp for (i = 0; i < remote->nsend_branches; i++)
2248 6480c871 2021-08-30 stsp free(remote->send_branches[i]);
2249 6480c871 2021-08-30 stsp free(remote->send_branches);
2250 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_refs; i++)
2251 6480c871 2021-08-30 stsp free(remote->fetch_refs[i]);
2252 6480c871 2021-08-30 stsp free(remote->fetch_refs);
2253 cd95becd 2019-11-29 stsp }
2254 cd95becd 2019-11-29 stsp
2255 cd95becd 2019-11-29 stsp const struct got_error *
2256 cd95becd 2019-11-29 stsp got_privsep_recv_gitconfig_remotes(struct got_remote_repo **remotes,
2257 cd95becd 2019-11-29 stsp int *nremotes, struct imsgbuf *ibuf)
2258 cd95becd 2019-11-29 stsp {
2259 cd95becd 2019-11-29 stsp const struct got_error *err = NULL;
2260 cd95becd 2019-11-29 stsp struct imsg imsg;
2261 cd95becd 2019-11-29 stsp size_t datalen;
2262 cd95becd 2019-11-29 stsp struct got_imsg_remotes iremotes;
2263 cd95becd 2019-11-29 stsp struct got_imsg_remote iremote;
2264 cd95becd 2019-11-29 stsp
2265 cd95becd 2019-11-29 stsp *remotes = NULL;
2266 cd95becd 2019-11-29 stsp *nremotes = 0;
2267 d669b9c9 2020-02-22 stsp iremotes.nremotes = 0;
2268 cd95becd 2019-11-29 stsp
2269 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremotes));
2270 cd95becd 2019-11-29 stsp if (err)
2271 cd95becd 2019-11-29 stsp return err;
2272 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2273 cd95becd 2019-11-29 stsp
2274 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2275 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTES:
2276 cd95becd 2019-11-29 stsp if (datalen != sizeof(iremotes)) {
2277 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2278 cd95becd 2019-11-29 stsp break;
2279 cd95becd 2019-11-29 stsp }
2280 cd95becd 2019-11-29 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2281 cd95becd 2019-11-29 stsp if (iremotes.nremotes == 0) {
2282 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2283 cd95becd 2019-11-29 stsp return NULL;
2284 cd95becd 2019-11-29 stsp }
2285 aba9c984 2019-09-08 stsp break;
2286 aba9c984 2019-09-08 stsp default:
2287 54b1c5b5 2020-02-22 stsp imsg_free(&imsg);
2288 54b1c5b5 2020-02-22 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2289 aba9c984 2019-09-08 stsp }
2290 aba9c984 2019-09-08 stsp
2291 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2292 cd95becd 2019-11-29 stsp
2293 5146eb39 2020-03-20 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2294 cd95becd 2019-11-29 stsp if (*remotes == NULL)
2295 cd95becd 2019-11-29 stsp return got_error_from_errno("recallocarray");
2296 cd95becd 2019-11-29 stsp
2297 cd95becd 2019-11-29 stsp while (*nremotes < iremotes.nremotes) {
2298 cd95becd 2019-11-29 stsp struct got_remote_repo *remote;
2299 3168e5da 2020-09-10 stsp
2300 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremote));
2301 cd95becd 2019-11-29 stsp if (err)
2302 cd95becd 2019-11-29 stsp break;
2303 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2304 cd95becd 2019-11-29 stsp
2305 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2306 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTE:
2307 cd95becd 2019-11-29 stsp remote = &(*remotes)[*nremotes];
2308 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2309 cd95becd 2019-11-29 stsp if (datalen < sizeof(iremote)) {
2310 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2311 cd95becd 2019-11-29 stsp break;
2312 cd95becd 2019-11-29 stsp }
2313 cd95becd 2019-11-29 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2314 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2315 6480c871 2021-08-30 stsp iremote.fetch_url_len == 0 ||
2316 6480c871 2021-08-30 stsp iremote.send_url_len == 0 ||
2317 cd95becd 2019-11-29 stsp (sizeof(iremote) + iremote.name_len +
2318 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) > datalen) {
2319 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2320 cd95becd 2019-11-29 stsp break;
2321 cd95becd 2019-11-29 stsp }
2322 cd95becd 2019-11-29 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2323 cd95becd 2019-11-29 stsp iremote.name_len);
2324 cd95becd 2019-11-29 stsp if (remote->name == NULL) {
2325 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2326 cd95becd 2019-11-29 stsp break;
2327 cd95becd 2019-11-29 stsp }
2328 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data + sizeof(iremote) +
2329 6480c871 2021-08-30 stsp iremote.name_len, iremote.fetch_url_len);
2330 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2331 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2332 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2333 cd95becd 2019-11-29 stsp break;
2334 cd95becd 2019-11-29 stsp }
2335 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data + sizeof(iremote) +
2336 6480c871 2021-08-30 stsp iremote.name_len + iremote.fetch_url_len,
2337 6480c871 2021-08-30 stsp iremote.send_url_len);
2338 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2339 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2340 6480c871 2021-08-30 stsp free_remote_data(remote);
2341 6480c871 2021-08-30 stsp break;
2342 6480c871 2021-08-30 stsp }
2343 469dd726 2020-03-20 stsp remote->mirror_references = iremote.mirror_references;
2344 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2345 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2346 6480c871 2021-08-30 stsp remote->fetch_branches = NULL;
2347 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2348 6480c871 2021-08-30 stsp remote->send_branches = NULL;
2349 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2350 6480c871 2021-08-30 stsp remote->fetch_refs = NULL;
2351 cd95becd 2019-11-29 stsp (*nremotes)++;
2352 cd95becd 2019-11-29 stsp break;
2353 cd95becd 2019-11-29 stsp default:
2354 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2355 cd95becd 2019-11-29 stsp break;
2356 cd95becd 2019-11-29 stsp }
2357 cd95becd 2019-11-29 stsp
2358 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2359 cd95becd 2019-11-29 stsp if (err)
2360 cd95becd 2019-11-29 stsp break;
2361 cd95becd 2019-11-29 stsp }
2362 cd95becd 2019-11-29 stsp
2363 cd95becd 2019-11-29 stsp if (err) {
2364 cd95becd 2019-11-29 stsp int i;
2365 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2366 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2367 cd95becd 2019-11-29 stsp free(*remotes);
2368 cd95becd 2019-11-29 stsp *remotes = NULL;
2369 cd95becd 2019-11-29 stsp *nremotes = 0;
2370 cd95becd 2019-11-29 stsp }
2371 aba9c984 2019-09-08 stsp return err;
2372 257add31 2020-09-09 stsp }
2373 257add31 2020-09-09 stsp
2374 257add31 2020-09-09 stsp const struct got_error *
2375 257add31 2020-09-09 stsp got_privsep_send_gotconfig_parse_req(struct imsgbuf *ibuf, int fd)
2376 257add31 2020-09-09 stsp {
2377 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2378 257add31 2020-09-09 stsp
2379 257add31 2020-09-09 stsp if (imsg_compose(ibuf, GOT_IMSG_GOTCONFIG_PARSE_REQUEST, 0, 0, fd,
2380 257add31 2020-09-09 stsp NULL, 0) == -1) {
2381 257add31 2020-09-09 stsp err = got_error_from_errno("imsg_compose "
2382 257add31 2020-09-09 stsp "GOTCONFIG_PARSE_REQUEST");
2383 257add31 2020-09-09 stsp close(fd);
2384 257add31 2020-09-09 stsp return err;
2385 257add31 2020-09-09 stsp }
2386 257add31 2020-09-09 stsp
2387 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2388 257add31 2020-09-09 stsp }
2389 257add31 2020-09-09 stsp
2390 257add31 2020-09-09 stsp const struct got_error *
2391 257add31 2020-09-09 stsp got_privsep_send_gotconfig_author_req(struct imsgbuf *ibuf)
2392 257add31 2020-09-09 stsp {
2393 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2394 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_AUTHOR_REQUEST, 0, 0, -1, NULL, 0) == -1)
2395 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2396 257add31 2020-09-09 stsp "GOTCONFIG_AUTHOR_REQUEST");
2397 257add31 2020-09-09 stsp
2398 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2399 ca6e02ac 2020-01-07 stsp }
2400 ca6e02ac 2020-01-07 stsp
2401 ca6e02ac 2020-01-07 stsp const struct got_error *
2402 257add31 2020-09-09 stsp got_privsep_send_gotconfig_remotes_req(struct imsgbuf *ibuf)
2403 257add31 2020-09-09 stsp {
2404 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2405 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2406 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2407 257add31 2020-09-09 stsp "GOTCONFIG_REMOTE_REQUEST");
2408 257add31 2020-09-09 stsp
2409 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2410 257add31 2020-09-09 stsp }
2411 257add31 2020-09-09 stsp
2412 257add31 2020-09-09 stsp const struct got_error *
2413 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_str(char **str, struct imsgbuf *ibuf)
2414 257add31 2020-09-09 stsp {
2415 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2416 257add31 2020-09-09 stsp struct imsg imsg;
2417 257add31 2020-09-09 stsp size_t datalen;
2418 257add31 2020-09-09 stsp const size_t min_datalen = 0;
2419 257add31 2020-09-09 stsp
2420 257add31 2020-09-09 stsp *str = NULL;
2421 257add31 2020-09-09 stsp
2422 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2423 257add31 2020-09-09 stsp if (err)
2424 257add31 2020-09-09 stsp return err;
2425 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2426 257add31 2020-09-09 stsp
2427 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2428 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2429 257add31 2020-09-09 stsp if (datalen < sizeof(struct got_imsg_error)) {
2430 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2431 257add31 2020-09-09 stsp break;
2432 257add31 2020-09-09 stsp }
2433 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2434 257add31 2020-09-09 stsp break;
2435 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_STR_VAL:
2436 257add31 2020-09-09 stsp if (datalen == 0)
2437 257add31 2020-09-09 stsp break;
2438 5874ea87 2020-09-18 stsp /* datalen does not include terminating \0 */
2439 5874ea87 2020-09-18 stsp *str = malloc(datalen + 1);
2440 257add31 2020-09-09 stsp if (*str == NULL) {
2441 257add31 2020-09-09 stsp err = got_error_from_errno("malloc");
2442 257add31 2020-09-09 stsp break;
2443 257add31 2020-09-09 stsp }
2444 5874ea87 2020-09-18 stsp memcpy(*str, imsg.data, datalen);
2445 5874ea87 2020-09-18 stsp (*str)[datalen] = '\0';
2446 257add31 2020-09-09 stsp break;
2447 257add31 2020-09-09 stsp default:
2448 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2449 257add31 2020-09-09 stsp break;
2450 257add31 2020-09-09 stsp }
2451 257add31 2020-09-09 stsp
2452 257add31 2020-09-09 stsp imsg_free(&imsg);
2453 257add31 2020-09-09 stsp return err;
2454 257add31 2020-09-09 stsp }
2455 257add31 2020-09-09 stsp
2456 257add31 2020-09-09 stsp const struct got_error *
2457 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_remotes(struct got_remote_repo **remotes,
2458 257add31 2020-09-09 stsp int *nremotes, struct imsgbuf *ibuf)
2459 257add31 2020-09-09 stsp {
2460 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2461 257add31 2020-09-09 stsp struct imsg imsg;
2462 257add31 2020-09-09 stsp size_t datalen;
2463 257add31 2020-09-09 stsp struct got_imsg_remotes iremotes;
2464 257add31 2020-09-09 stsp struct got_imsg_remote iremote;
2465 257add31 2020-09-09 stsp const size_t min_datalen =
2466 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremotes));
2467 257add31 2020-09-09 stsp
2468 257add31 2020-09-09 stsp *remotes = NULL;
2469 257add31 2020-09-09 stsp *nremotes = 0;
2470 257add31 2020-09-09 stsp iremotes.nremotes = 0;
2471 257add31 2020-09-09 stsp
2472 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2473 257add31 2020-09-09 stsp if (err)
2474 257add31 2020-09-09 stsp return err;
2475 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2476 257add31 2020-09-09 stsp
2477 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2478 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2479 257add31 2020-09-09 stsp if (datalen < sizeof(struct got_imsg_error)) {
2480 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2481 257add31 2020-09-09 stsp break;
2482 257add31 2020-09-09 stsp }
2483 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2484 257add31 2020-09-09 stsp break;
2485 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTES:
2486 257add31 2020-09-09 stsp if (datalen != sizeof(iremotes)) {
2487 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2488 257add31 2020-09-09 stsp break;
2489 257add31 2020-09-09 stsp }
2490 257add31 2020-09-09 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2491 257add31 2020-09-09 stsp if (iremotes.nremotes == 0) {
2492 257add31 2020-09-09 stsp imsg_free(&imsg);
2493 257add31 2020-09-09 stsp return NULL;
2494 257add31 2020-09-09 stsp }
2495 257add31 2020-09-09 stsp break;
2496 257add31 2020-09-09 stsp default:
2497 257add31 2020-09-09 stsp imsg_free(&imsg);
2498 257add31 2020-09-09 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2499 257add31 2020-09-09 stsp }
2500 257add31 2020-09-09 stsp
2501 257add31 2020-09-09 stsp imsg_free(&imsg);
2502 257add31 2020-09-09 stsp
2503 257add31 2020-09-09 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2504 257add31 2020-09-09 stsp if (*remotes == NULL)
2505 257add31 2020-09-09 stsp return got_error_from_errno("recallocarray");
2506 257add31 2020-09-09 stsp
2507 257add31 2020-09-09 stsp while (*nremotes < iremotes.nremotes) {
2508 257add31 2020-09-09 stsp struct got_remote_repo *remote;
2509 257add31 2020-09-09 stsp const size_t min_datalen =
2510 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremote));
2511 b8adfa55 2020-09-25 stsp int i;
2512 257add31 2020-09-09 stsp
2513 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2514 257add31 2020-09-09 stsp if (err)
2515 257add31 2020-09-09 stsp break;
2516 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2517 257add31 2020-09-09 stsp
2518 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2519 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2520 257add31 2020-09-09 stsp if (datalen < sizeof(struct got_imsg_error)) {
2521 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2522 257add31 2020-09-09 stsp break;
2523 257add31 2020-09-09 stsp }
2524 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2525 257add31 2020-09-09 stsp break;
2526 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTE:
2527 257add31 2020-09-09 stsp remote = &(*remotes)[*nremotes];
2528 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2529 257add31 2020-09-09 stsp if (datalen < sizeof(iremote)) {
2530 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2531 257add31 2020-09-09 stsp break;
2532 257add31 2020-09-09 stsp }
2533 257add31 2020-09-09 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2534 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2535 6480c871 2021-08-30 stsp (iremote.fetch_url_len == 0 &&
2536 6480c871 2021-08-30 stsp iremote.send_url_len == 0) ||
2537 257add31 2020-09-09 stsp (sizeof(iremote) + iremote.name_len +
2538 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) >
2539 6480c871 2021-08-30 stsp datalen) {
2540 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2541 257add31 2020-09-09 stsp break;
2542 257add31 2020-09-09 stsp }
2543 257add31 2020-09-09 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2544 257add31 2020-09-09 stsp iremote.name_len);
2545 257add31 2020-09-09 stsp if (remote->name == NULL) {
2546 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2547 257add31 2020-09-09 stsp break;
2548 257add31 2020-09-09 stsp }
2549 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data +
2550 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len,
2551 6480c871 2021-08-30 stsp iremote.fetch_url_len);
2552 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2553 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2554 6480c871 2021-08-30 stsp free_remote_data(remote);
2555 6480c871 2021-08-30 stsp break;
2556 6480c871 2021-08-30 stsp }
2557 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data +
2558 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len +
2559 6480c871 2021-08-30 stsp iremote.fetch_url_len, iremote.send_url_len);
2560 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2561 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2562 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2563 257add31 2020-09-09 stsp break;
2564 257add31 2020-09-09 stsp }
2565 257add31 2020-09-09 stsp remote->mirror_references = iremote.mirror_references;
2566 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2567 6480c871 2021-08-30 stsp if (iremote.nfetch_branches > 0) {
2568 6480c871 2021-08-30 stsp remote->fetch_branches = recallocarray(NULL, 0,
2569 6480c871 2021-08-30 stsp iremote.nfetch_branches, sizeof(char *));
2570 6480c871 2021-08-30 stsp if (remote->fetch_branches == NULL) {
2571 b8adfa55 2020-09-25 stsp err = got_error_from_errno("calloc");
2572 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2573 b8adfa55 2020-09-25 stsp break;
2574 b8adfa55 2020-09-25 stsp }
2575 b8adfa55 2020-09-25 stsp }
2576 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2577 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_branches; i++) {
2578 b8adfa55 2020-09-25 stsp char *branch;
2579 b8adfa55 2020-09-25 stsp err = got_privsep_recv_gotconfig_str(&branch,
2580 b8adfa55 2020-09-25 stsp ibuf);
2581 b8adfa55 2020-09-25 stsp if (err) {
2582 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2583 b8adfa55 2020-09-25 stsp goto done;
2584 b8adfa55 2020-09-25 stsp }
2585 6480c871 2021-08-30 stsp remote->fetch_branches[i] = branch;
2586 6480c871 2021-08-30 stsp remote->nfetch_branches++;
2587 99495ddb 2021-01-10 stsp }
2588 6480c871 2021-08-30 stsp if (iremote.nsend_branches > 0) {
2589 6480c871 2021-08-30 stsp remote->send_branches = recallocarray(NULL, 0,
2590 6480c871 2021-08-30 stsp iremote.nsend_branches, sizeof(char *));
2591 6480c871 2021-08-30 stsp if (remote->send_branches == NULL) {
2592 99495ddb 2021-01-10 stsp err = got_error_from_errno("calloc");
2593 99495ddb 2021-01-10 stsp free_remote_data(remote);
2594 99495ddb 2021-01-10 stsp break;
2595 99495ddb 2021-01-10 stsp }
2596 b8adfa55 2020-09-25 stsp }
2597 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2598 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nsend_branches; i++) {
2599 6480c871 2021-08-30 stsp char *branch;
2600 6480c871 2021-08-30 stsp err = got_privsep_recv_gotconfig_str(&branch,
2601 6480c871 2021-08-30 stsp ibuf);
2602 6480c871 2021-08-30 stsp if (err) {
2603 6480c871 2021-08-30 stsp free_remote_data(remote);
2604 6480c871 2021-08-30 stsp goto done;
2605 6480c871 2021-08-30 stsp }
2606 6480c871 2021-08-30 stsp remote->send_branches[i] = branch;
2607 6480c871 2021-08-30 stsp remote->nsend_branches++;
2608 6480c871 2021-08-30 stsp }
2609 6480c871 2021-08-30 stsp if (iremote.nfetch_refs > 0) {
2610 6480c871 2021-08-30 stsp remote->fetch_refs = recallocarray(NULL, 0,
2611 6480c871 2021-08-30 stsp iremote.nfetch_refs, sizeof(char *));
2612 6480c871 2021-08-30 stsp if (remote->fetch_refs == NULL) {
2613 6480c871 2021-08-30 stsp err = got_error_from_errno("calloc");
2614 6480c871 2021-08-30 stsp free_remote_data(remote);
2615 6480c871 2021-08-30 stsp break;
2616 6480c871 2021-08-30 stsp }
2617 6480c871 2021-08-30 stsp }
2618 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2619 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_refs; i++) {
2620 99495ddb 2021-01-10 stsp char *ref;
2621 99495ddb 2021-01-10 stsp err = got_privsep_recv_gotconfig_str(&ref,
2622 99495ddb 2021-01-10 stsp ibuf);
2623 99495ddb 2021-01-10 stsp if (err) {
2624 99495ddb 2021-01-10 stsp free_remote_data(remote);
2625 99495ddb 2021-01-10 stsp goto done;
2626 99495ddb 2021-01-10 stsp }
2627 6480c871 2021-08-30 stsp remote->fetch_refs[i] = ref;
2628 6480c871 2021-08-30 stsp remote->nfetch_refs++;
2629 99495ddb 2021-01-10 stsp }
2630 257add31 2020-09-09 stsp (*nremotes)++;
2631 257add31 2020-09-09 stsp break;
2632 257add31 2020-09-09 stsp default:
2633 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2634 257add31 2020-09-09 stsp break;
2635 257add31 2020-09-09 stsp }
2636 257add31 2020-09-09 stsp
2637 257add31 2020-09-09 stsp imsg_free(&imsg);
2638 257add31 2020-09-09 stsp if (err)
2639 257add31 2020-09-09 stsp break;
2640 257add31 2020-09-09 stsp }
2641 b8adfa55 2020-09-25 stsp done:
2642 257add31 2020-09-09 stsp if (err) {
2643 257add31 2020-09-09 stsp int i;
2644 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2645 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2646 257add31 2020-09-09 stsp free(*remotes);
2647 257add31 2020-09-09 stsp *remotes = NULL;
2648 257add31 2020-09-09 stsp *nremotes = 0;
2649 257add31 2020-09-09 stsp }
2650 257add31 2020-09-09 stsp return err;
2651 257add31 2020-09-09 stsp }
2652 257add31 2020-09-09 stsp
2653 257add31 2020-09-09 stsp const struct got_error *
2654 ca6e02ac 2020-01-07 stsp got_privsep_send_commit_traversal_request(struct imsgbuf *ibuf,
2655 abc59930 2021-09-05 naddy struct got_object_id *id, int idx, const char *path)
2656 ca6e02ac 2020-01-07 stsp {
2657 ca6e02ac 2020-01-07 stsp struct ibuf *wbuf;
2658 ca6e02ac 2020-01-07 stsp size_t path_len = strlen(path) + 1;
2659 ca6e02ac 2020-01-07 stsp
2660 ca6e02ac 2020-01-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_COMMIT_TRAVERSAL_REQUEST, 0, 0,
2661 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_traversal_request) + path_len);
2662 ca6e02ac 2020-01-07 stsp if (wbuf == NULL)
2663 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
2664 ca6e02ac 2020-01-07 stsp "imsg_create COMMIT_TRAVERSAL_REQUEST");
2665 1453347d 2022-05-19 stsp if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1)
2666 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add "
2667 1453347d 2022-05-19 stsp "COMMIT_TRAVERSAL_REQUEST");
2668 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &idx, sizeof(idx)) == -1)
2669 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add "
2670 1453347d 2022-05-19 stsp "COMMIT_TRAVERSAL_REQUEST");
2671 1453347d 2022-05-19 stsp if (imsg_add(wbuf, path, path_len) == -1)
2672 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add "
2673 1453347d 2022-05-19 stsp "COMMIT_TRAVERSAL_REQUEST");
2674 ca6e02ac 2020-01-07 stsp
2675 ca6e02ac 2020-01-07 stsp wbuf->fd = -1;
2676 ca6e02ac 2020-01-07 stsp imsg_close(ibuf, wbuf);
2677 ca6e02ac 2020-01-07 stsp
2678 ca6e02ac 2020-01-07 stsp return flush_imsg(ibuf);
2679 ca6e02ac 2020-01-07 stsp }
2680 ca6e02ac 2020-01-07 stsp
2681 ca6e02ac 2020-01-07 stsp const struct got_error *
2682 ca6e02ac 2020-01-07 stsp got_privsep_recv_traversed_commits(struct got_commit_object **changed_commit,
2683 ca6e02ac 2020-01-07 stsp struct got_object_id **changed_commit_id,
2684 ca6e02ac 2020-01-07 stsp struct got_object_id_queue *commit_ids, struct imsgbuf *ibuf)
2685 ca6e02ac 2020-01-07 stsp {
2686 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
2687 ca6e02ac 2020-01-07 stsp struct imsg imsg;
2688 ca6e02ac 2020-01-07 stsp struct got_imsg_traversed_commits *icommits;
2689 ca6e02ac 2020-01-07 stsp size_t datalen;
2690 ca6e02ac 2020-01-07 stsp int i, done = 0;
2691 ca6e02ac 2020-01-07 stsp
2692 ca6e02ac 2020-01-07 stsp *changed_commit = NULL;
2693 ca6e02ac 2020-01-07 stsp *changed_commit_id = NULL;
2694 ca6e02ac 2020-01-07 stsp
2695 ca6e02ac 2020-01-07 stsp while (!done) {
2696 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2697 ca6e02ac 2020-01-07 stsp if (err)
2698 ca6e02ac 2020-01-07 stsp return err;
2699 ca6e02ac 2020-01-07 stsp
2700 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2701 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
2702 ca6e02ac 2020-01-07 stsp case GOT_IMSG_TRAVERSED_COMMITS:
2703 ca6e02ac 2020-01-07 stsp icommits = imsg.data;
2704 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommits) +
2705 ca6e02ac 2020-01-07 stsp icommits->ncommits * SHA1_DIGEST_LENGTH) {
2706 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2707 ca6e02ac 2020-01-07 stsp break;
2708 ca6e02ac 2020-01-07 stsp }
2709 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommits->ncommits; i++) {
2710 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
2711 ca6e02ac 2020-01-07 stsp uint8_t *sha1 = (uint8_t *)imsg.data +
2712 ca6e02ac 2020-01-07 stsp sizeof(*icommits) + i * SHA1_DIGEST_LENGTH;
2713 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
2714 ca6e02ac 2020-01-07 stsp if (err)
2715 ca6e02ac 2020-01-07 stsp break;
2716 d7b5a0e8 2022-04-20 stsp memcpy(qid->id.sha1, sha1, SHA1_DIGEST_LENGTH);
2717 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(commit_ids, qid, entry);
2718 ca6e02ac 2020-01-07 stsp
2719 ca6e02ac 2020-01-07 stsp /* The last commit may contain a change. */
2720 ca6e02ac 2020-01-07 stsp if (i == icommits->ncommits - 1) {
2721 ca6e02ac 2020-01-07 stsp *changed_commit_id =
2722 d7b5a0e8 2022-04-20 stsp got_object_id_dup(&qid->id);
2723 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2724 ca6e02ac 2020-01-07 stsp err = got_error_from_errno(
2725 ca6e02ac 2020-01-07 stsp "got_object_id_dup");
2726 ca6e02ac 2020-01-07 stsp break;
2727 ca6e02ac 2020-01-07 stsp }
2728 ca6e02ac 2020-01-07 stsp }
2729 ca6e02ac 2020-01-07 stsp }
2730 ca6e02ac 2020-01-07 stsp break;
2731 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
2732 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2733 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2734 ca6e02ac 2020-01-07 stsp break;
2735 ca6e02ac 2020-01-07 stsp }
2736 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(changed_commit, &imsg,
2737 ca6e02ac 2020-01-07 stsp datalen, ibuf);
2738 ca6e02ac 2020-01-07 stsp break;
2739 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT_TRAVERSAL_DONE:
2740 ca6e02ac 2020-01-07 stsp done = 1;
2741 ca6e02ac 2020-01-07 stsp break;
2742 ca6e02ac 2020-01-07 stsp default:
2743 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2744 ca6e02ac 2020-01-07 stsp break;
2745 ca6e02ac 2020-01-07 stsp }
2746 ca6e02ac 2020-01-07 stsp
2747 ca6e02ac 2020-01-07 stsp imsg_free(&imsg);
2748 ca6e02ac 2020-01-07 stsp if (err)
2749 ca6e02ac 2020-01-07 stsp break;
2750 ca6e02ac 2020-01-07 stsp }
2751 ca6e02ac 2020-01-07 stsp
2752 ca6e02ac 2020-01-07 stsp if (err)
2753 ca6e02ac 2020-01-07 stsp got_object_id_queue_free(commit_ids);
2754 ca6e02ac 2020-01-07 stsp return err;
2755 0ab4c957 2022-06-13 stsp }
2756 0ab4c957 2022-06-13 stsp
2757 0ab4c957 2022-06-13 stsp const struct got_error *
2758 0ab4c957 2022-06-13 stsp got_privsep_send_enumerated_tree(size_t *totlen, struct imsgbuf *ibuf,
2759 0ab4c957 2022-06-13 stsp struct got_object_id *tree_id, const char *path,
2760 0ab4c957 2022-06-13 stsp struct got_parsed_tree_entry *entries, int nentries)
2761 0ab4c957 2022-06-13 stsp {
2762 0ab4c957 2022-06-13 stsp const struct got_error *err = NULL;
2763 0ab4c957 2022-06-13 stsp struct ibuf *wbuf;
2764 0ab4c957 2022-06-13 stsp size_t path_len = strlen(path);
2765 0ab4c957 2022-06-13 stsp size_t msglen;
2766 0ab4c957 2022-06-13 stsp
2767 0ab4c957 2022-06-13 stsp msglen = sizeof(struct got_imsg_enumerated_tree) + path_len;
2768 0ab4c957 2022-06-13 stsp wbuf = imsg_create(ibuf, GOT_IMSG_ENUMERATED_TREE, 0, 0, msglen);
2769 0ab4c957 2022-06-13 stsp if (wbuf == NULL)
2770 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_create ENUMERATED_TREE");
2771 0ab4c957 2022-06-13 stsp
2772 0ab4c957 2022-06-13 stsp if (imsg_add(wbuf, tree_id->sha1, SHA1_DIGEST_LENGTH) == -1)
2773 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_add ENUMERATED_TREE");
2774 0ab4c957 2022-06-13 stsp if (imsg_add(wbuf, &nentries, sizeof(nentries)) == -1)
2775 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_add ENUMERATED_TREE");
2776 0ab4c957 2022-06-13 stsp if (imsg_add(wbuf, path, path_len) == -1)
2777 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_add ENUMERATED_TREE");
2778 0ab4c957 2022-06-13 stsp
2779 0ab4c957 2022-06-13 stsp wbuf->fd = -1;
2780 0ab4c957 2022-06-13 stsp imsg_close(ibuf, wbuf);
2781 0ab4c957 2022-06-13 stsp
2782 0ab4c957 2022-06-13 stsp if (entries) {
2783 0ab4c957 2022-06-13 stsp err = send_tree_entries(ibuf, entries, nentries);
2784 0ab4c957 2022-06-13 stsp if (err)
2785 0ab4c957 2022-06-13 stsp return err;
2786 0ab4c957 2022-06-13 stsp }
2787 0ab4c957 2022-06-13 stsp
2788 0ab4c957 2022-06-13 stsp return flush_imsg(ibuf);
2789 67fd6849 2022-02-13 stsp }
2790 67fd6849 2022-02-13 stsp
2791 67fd6849 2022-02-13 stsp const struct got_error *
2792 0ab4c957 2022-06-13 stsp got_privsep_send_object_enumeration_request(struct imsgbuf *ibuf)
2793 0ab4c957 2022-06-13 stsp {
2794 0ab4c957 2022-06-13 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_REQUEST,
2795 0ab4c957 2022-06-13 stsp 0, 0, -1, NULL, 0) == -1)
2796 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_compose "
2797 0ab4c957 2022-06-13 stsp "OBJECT_ENUMERATION_REQUEST");
2798 0ab4c957 2022-06-13 stsp
2799 0ab4c957 2022-06-13 stsp return flush_imsg(ibuf);
2800 0ab4c957 2022-06-13 stsp }
2801 0ab4c957 2022-06-13 stsp
2802 0ab4c957 2022-06-13 stsp const struct got_error *
2803 0ab4c957 2022-06-13 stsp got_privsep_send_object_enumeration_done(struct imsgbuf *ibuf)
2804 0ab4c957 2022-06-13 stsp {
2805 0ab4c957 2022-06-13 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_DONE,
2806 0ab4c957 2022-06-13 stsp 0, 0, -1, NULL, 0) == -1)
2807 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_compose "
2808 0ab4c957 2022-06-13 stsp "OBJECT_ENUMERATION_DONE");
2809 0ab4c957 2022-06-13 stsp
2810 0ab4c957 2022-06-13 stsp return flush_imsg(ibuf);
2811 0ab4c957 2022-06-13 stsp }
2812 0ab4c957 2022-06-13 stsp
2813 0ab4c957 2022-06-13 stsp const struct got_error *
2814 0ab4c957 2022-06-13 stsp got_privsep_send_enumerated_commit(struct imsgbuf *ibuf,
2815 0ab4c957 2022-06-13 stsp struct got_object_id *id, time_t mtime)
2816 0ab4c957 2022-06-13 stsp {
2817 0ab4c957 2022-06-13 stsp struct ibuf *wbuf;
2818 0ab4c957 2022-06-13 stsp
2819 0ab4c957 2022-06-13 stsp wbuf = imsg_create(ibuf, GOT_IMSG_ENUMERATED_COMMIT, 0, 0,
2820 0ab4c957 2022-06-13 stsp sizeof(struct got_imsg_enumerated_commit) + SHA1_DIGEST_LENGTH);
2821 0ab4c957 2022-06-13 stsp if (wbuf == NULL)
2822 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_create ENUMERATED_COMMIT");
2823 0ab4c957 2022-06-13 stsp
2824 0ab4c957 2022-06-13 stsp /* Keep in sync with struct got_imsg_enumerated_commit! */
2825 0ab4c957 2022-06-13 stsp if (imsg_add(wbuf, id, SHA1_DIGEST_LENGTH) == -1)
2826 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_add ENUMERATED_COMMIT");
2827 0ab4c957 2022-06-13 stsp if (imsg_add(wbuf, &mtime, sizeof(mtime)) == -1)
2828 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_add ENUMERATED_COMMIT");
2829 0ab4c957 2022-06-13 stsp
2830 0ab4c957 2022-06-13 stsp wbuf->fd = -1;
2831 0ab4c957 2022-06-13 stsp imsg_close(ibuf, wbuf);
2832 0ab4c957 2022-06-13 stsp /* Don't flush yet, tree entries or ENUMERATION_DONE will follow. */
2833 0ab4c957 2022-06-13 stsp return NULL;
2834 0ab4c957 2022-06-13 stsp }
2835 0ab4c957 2022-06-13 stsp
2836 0ab4c957 2022-06-13 stsp const struct got_error *
2837 0ab4c957 2022-06-13 stsp got_privsep_recv_enumerated_objects(struct imsgbuf *ibuf,
2838 0ab4c957 2022-06-13 stsp got_object_enumerate_commit_cb cb_commit,
2839 0ab4c957 2022-06-13 stsp got_object_enumerate_tree_cb cb_tree, void *cb_arg,
2840 0ab4c957 2022-06-13 stsp struct got_repository *repo)
2841 0ab4c957 2022-06-13 stsp {
2842 0ab4c957 2022-06-13 stsp const struct got_error *err = NULL;
2843 0ab4c957 2022-06-13 stsp struct imsg imsg;
2844 0ab4c957 2022-06-13 stsp struct got_imsg_enumerated_commit *icommit = NULL;
2845 0ab4c957 2022-06-13 stsp struct got_object_id commit_id;
2846 0ab4c957 2022-06-13 stsp int have_commit = 0;
2847 0ab4c957 2022-06-13 stsp time_t mtime = 0;
2848 0ab4c957 2022-06-13 stsp struct got_tree_object tree;
2849 0ab4c957 2022-06-13 stsp struct got_imsg_enumerated_tree *itree;
2850 0ab4c957 2022-06-13 stsp struct got_object_id tree_id;
2851 0ab4c957 2022-06-13 stsp char *path = NULL, *canon_path = NULL;
2852 0ab4c957 2022-06-13 stsp size_t datalen, path_len;
2853 0ab4c957 2022-06-13 stsp int nentries = -1;
2854 0ab4c957 2022-06-13 stsp int done = 0;
2855 0ab4c957 2022-06-13 stsp
2856 0ab4c957 2022-06-13 stsp memset(&tree, 0, sizeof(tree));
2857 0ab4c957 2022-06-13 stsp
2858 0ab4c957 2022-06-13 stsp while (!done) {
2859 0ab4c957 2022-06-13 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2860 0ab4c957 2022-06-13 stsp if (err)
2861 0ab4c957 2022-06-13 stsp break;
2862 0ab4c957 2022-06-13 stsp
2863 0ab4c957 2022-06-13 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2864 0ab4c957 2022-06-13 stsp switch (imsg.hdr.type) {
2865 0ab4c957 2022-06-13 stsp case GOT_IMSG_ENUMERATED_COMMIT:
2866 0ab4c957 2022-06-13 stsp if (have_commit && nentries != -1) {
2867 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2868 0ab4c957 2022-06-13 stsp break;
2869 0ab4c957 2022-06-13 stsp }
2870 0ab4c957 2022-06-13 stsp if (datalen != sizeof(*icommit)) {
2871 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2872 0ab4c957 2022-06-13 stsp break;
2873 0ab4c957 2022-06-13 stsp }
2874 0ab4c957 2022-06-13 stsp icommit = (struct got_imsg_enumerated_commit *)imsg.data;
2875 0ab4c957 2022-06-13 stsp memcpy(commit_id.sha1, icommit->id, SHA1_DIGEST_LENGTH);
2876 0ab4c957 2022-06-13 stsp mtime = icommit->mtime;
2877 0ab4c957 2022-06-13 stsp have_commit = 1;
2878 0ab4c957 2022-06-13 stsp break;
2879 0ab4c957 2022-06-13 stsp case GOT_IMSG_ENUMERATED_TREE:
2880 0ab4c957 2022-06-13 stsp /* Should be preceeded by GOT_IMSG_ENUMERATED_COMMIT. */
2881 0ab4c957 2022-06-13 stsp if (!have_commit) {
2882 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2883 0ab4c957 2022-06-13 stsp break;
2884 0ab4c957 2022-06-13 stsp }
2885 0ab4c957 2022-06-13 stsp if (datalen < sizeof(*itree)) {
2886 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2887 0ab4c957 2022-06-13 stsp break;
2888 0ab4c957 2022-06-13 stsp }
2889 0ab4c957 2022-06-13 stsp itree = imsg.data;
2890 0ab4c957 2022-06-13 stsp path_len = datalen - sizeof(*itree);
2891 0ab4c957 2022-06-13 stsp if (path_len == 0) {
2892 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2893 0ab4c957 2022-06-13 stsp break;
2894 0ab4c957 2022-06-13 stsp }
2895 0ab4c957 2022-06-13 stsp memcpy(tree_id.sha1, itree->id, sizeof(tree_id.sha1));
2896 0ab4c957 2022-06-13 stsp free(path);
2897 0ab4c957 2022-06-13 stsp path = malloc(path_len + 1);
2898 0ab4c957 2022-06-13 stsp if (path == NULL) {
2899 0ab4c957 2022-06-13 stsp err = got_error_from_errno("malloc");
2900 0ab4c957 2022-06-13 stsp break;
2901 0ab4c957 2022-06-13 stsp }
2902 0ab4c957 2022-06-13 stsp free(canon_path);
2903 0ab4c957 2022-06-13 stsp canon_path = malloc(path_len + 1);
2904 0ab4c957 2022-06-13 stsp if (canon_path == NULL) {
2905 0ab4c957 2022-06-13 stsp err = got_error_from_errno("malloc");
2906 0ab4c957 2022-06-13 stsp break;
2907 0ab4c957 2022-06-13 stsp }
2908 0ab4c957 2022-06-13 stsp memcpy(path, (uint8_t *)imsg.data + sizeof(*itree),
2909 0ab4c957 2022-06-13 stsp path_len);
2910 0ab4c957 2022-06-13 stsp path[path_len] = '\0';
2911 0ab4c957 2022-06-13 stsp if (!got_path_is_absolute(path)) {
2912 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_BAD_PATH);
2913 0ab4c957 2022-06-13 stsp break;
2914 0ab4c957 2022-06-13 stsp }
2915 0ab4c957 2022-06-13 stsp if (got_path_is_root_dir(path)) {
2916 0ab4c957 2022-06-13 stsp /* XXX check what got_canonpath() does wrong */
2917 0ab4c957 2022-06-13 stsp canon_path[0] = '/';
2918 0ab4c957 2022-06-13 stsp canon_path[1] = '\0';
2919 0ab4c957 2022-06-13 stsp } else {
2920 0ab4c957 2022-06-13 stsp err = got_canonpath(path, canon_path,
2921 0ab4c957 2022-06-13 stsp path_len + 1);
2922 0ab4c957 2022-06-13 stsp if (err)
2923 0ab4c957 2022-06-13 stsp break;
2924 0ab4c957 2022-06-13 stsp }
2925 0ab4c957 2022-06-13 stsp if (strcmp(path, canon_path) != 0) {
2926 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_BAD_PATH);
2927 0ab4c957 2022-06-13 stsp break;
2928 0ab4c957 2022-06-13 stsp }
2929 0ab4c957 2022-06-13 stsp if (nentries != -1) {
2930 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2931 0ab4c957 2022-06-13 stsp break;
2932 0ab4c957 2022-06-13 stsp }
2933 0ab4c957 2022-06-13 stsp if (itree->nentries < -1) {
2934 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2935 0ab4c957 2022-06-13 stsp break;
2936 0ab4c957 2022-06-13 stsp }
2937 0ab4c957 2022-06-13 stsp if (itree->nentries == -1) {
2938 0ab4c957 2022-06-13 stsp /* Tree was not found in pack file. */
2939 0ab4c957 2022-06-13 stsp done = 1;
2940 0ab4c957 2022-06-13 stsp err = cb_tree(cb_arg, NULL, mtime, &tree_id,
2941 0ab4c957 2022-06-13 stsp path, repo);
2942 0ab4c957 2022-06-13 stsp break;
2943 0ab4c957 2022-06-13 stsp }
2944 0ab4c957 2022-06-13 stsp if (itree->nentries > INT_MAX) {
2945 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2946 0ab4c957 2022-06-13 stsp break;
2947 0ab4c957 2022-06-13 stsp }
2948 0ab4c957 2022-06-13 stsp tree.entries = calloc(itree->nentries,
2949 0ab4c957 2022-06-13 stsp sizeof(struct got_tree_entry));
2950 0ab4c957 2022-06-13 stsp if (tree.entries == NULL) {
2951 0ab4c957 2022-06-13 stsp err = got_error_from_errno("calloc");
2952 0ab4c957 2022-06-13 stsp break;
2953 0ab4c957 2022-06-13 stsp }
2954 0ab4c957 2022-06-13 stsp if (itree->nentries == 0) {
2955 0ab4c957 2022-06-13 stsp err = cb_tree(cb_arg, &tree, mtime, &tree_id,
2956 0ab4c957 2022-06-13 stsp path, repo);
2957 0ab4c957 2022-06-13 stsp if (err)
2958 0ab4c957 2022-06-13 stsp break;
2959 0ab4c957 2022-06-13 stsp
2960 0ab4c957 2022-06-13 stsp /* Prepare for next tree. */
2961 0ab4c957 2022-06-13 stsp free(tree.entries);
2962 0ab4c957 2022-06-13 stsp memset(&tree, 0, sizeof(tree));
2963 0ab4c957 2022-06-13 stsp nentries = -1;
2964 0ab4c957 2022-06-13 stsp } else {
2965 0ab4c957 2022-06-13 stsp tree.nentries = itree->nentries;
2966 0ab4c957 2022-06-13 stsp nentries = 0;
2967 0ab4c957 2022-06-13 stsp }
2968 0ab4c957 2022-06-13 stsp break;
2969 0ab4c957 2022-06-13 stsp case GOT_IMSG_TREE_ENTRIES:
2970 0ab4c957 2022-06-13 stsp /* Should be preceeded by GOT_IMSG_ENUMERATED_TREE. */
2971 0ab4c957 2022-06-13 stsp if (nentries <= -1) {
2972 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2973 0ab4c957 2022-06-13 stsp break;
2974 0ab4c957 2022-06-13 stsp }
2975 0ab4c957 2022-06-13 stsp err = recv_tree_entries(imsg.data, datalen,
2976 0ab4c957 2022-06-13 stsp &tree, &nentries);
2977 0ab4c957 2022-06-13 stsp if (err)
2978 0ab4c957 2022-06-13 stsp break;
2979 0ab4c957 2022-06-13 stsp if (tree.nentries == nentries) {
2980 0ab4c957 2022-06-13 stsp err = cb_tree(cb_arg, &tree, mtime, &tree_id,
2981 0ab4c957 2022-06-13 stsp path, repo);
2982 0ab4c957 2022-06-13 stsp if (err)
2983 0ab4c957 2022-06-13 stsp break;
2984 0ab4c957 2022-06-13 stsp
2985 0ab4c957 2022-06-13 stsp /* Prepare for next tree. */
2986 0ab4c957 2022-06-13 stsp free(tree.entries);
2987 0ab4c957 2022-06-13 stsp memset(&tree, 0, sizeof(tree));
2988 0ab4c957 2022-06-13 stsp nentries = -1;
2989 0ab4c957 2022-06-13 stsp }
2990 0ab4c957 2022-06-13 stsp break;
2991 0ab4c957 2022-06-13 stsp case GOT_IMSG_TREE_ENUMERATION_DONE:
2992 0ab4c957 2022-06-13 stsp /* All trees have been found and traversed. */
2993 0ab4c957 2022-06-13 stsp if (!have_commit || path == NULL || nentries != -1) {
2994 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2995 0ab4c957 2022-06-13 stsp break;
2996 0ab4c957 2022-06-13 stsp }
2997 0ab4c957 2022-06-13 stsp err = cb_commit(cb_arg, mtime, &commit_id, repo);
2998 0ab4c957 2022-06-13 stsp if (err)
2999 0ab4c957 2022-06-13 stsp break;
3000 0ab4c957 2022-06-13 stsp have_commit = 0;
3001 0ab4c957 2022-06-13 stsp break;
3002 0ab4c957 2022-06-13 stsp case GOT_IMSG_OBJECT_ENUMERATION_DONE:
3003 0ab4c957 2022-06-13 stsp done = 1;
3004 0ab4c957 2022-06-13 stsp break;
3005 0ab4c957 2022-06-13 stsp default:
3006 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
3007 0ab4c957 2022-06-13 stsp break;
3008 0ab4c957 2022-06-13 stsp }
3009 0ab4c957 2022-06-13 stsp
3010 0ab4c957 2022-06-13 stsp imsg_free(&imsg);
3011 0ab4c957 2022-06-13 stsp if (err)
3012 0ab4c957 2022-06-13 stsp break;
3013 0ab4c957 2022-06-13 stsp }
3014 0ab4c957 2022-06-13 stsp
3015 0ab4c957 2022-06-13 stsp free(path);
3016 0ab4c957 2022-06-13 stsp free(canon_path);
3017 0ab4c957 2022-06-13 stsp free(tree.entries);
3018 0ab4c957 2022-06-13 stsp return err;
3019 0ab4c957 2022-06-13 stsp }
3020 0ab4c957 2022-06-13 stsp
3021 0ab4c957 2022-06-13 stsp const struct got_error *
3022 67fd6849 2022-02-13 stsp got_privsep_send_raw_delta_req(struct imsgbuf *ibuf, int idx,
3023 67fd6849 2022-02-13 stsp struct got_object_id *id)
3024 67fd6849 2022-02-13 stsp {
3025 67fd6849 2022-02-13 stsp struct got_imsg_raw_delta_request dreq;
3026 67fd6849 2022-02-13 stsp
3027 67fd6849 2022-02-13 stsp dreq.idx = idx;
3028 67fd6849 2022-02-13 stsp memcpy(dreq.id, id->sha1, SHA1_DIGEST_LENGTH);
3029 67fd6849 2022-02-13 stsp
3030 67fd6849 2022-02-13 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_DELTA_REQUEST, 0, 0, -1,
3031 67fd6849 2022-02-13 stsp &dreq, sizeof(dreq)) == -1)
3032 67fd6849 2022-02-13 stsp return got_error_from_errno("imsg_compose RAW_DELTA_REQUEST");
3033 67fd6849 2022-02-13 stsp
3034 67fd6849 2022-02-13 stsp return flush_imsg(ibuf);
3035 67fd6849 2022-02-13 stsp }
3036 67fd6849 2022-02-13 stsp
3037 67fd6849 2022-02-13 stsp const struct got_error *
3038 67fd6849 2022-02-13 stsp got_privsep_send_raw_delta_outfd(struct imsgbuf *ibuf, int fd)
3039 67fd6849 2022-02-13 stsp {
3040 67fd6849 2022-02-13 stsp return send_fd(ibuf, GOT_IMSG_RAW_DELTA_OUTFD, fd);
3041 67fd6849 2022-02-13 stsp }
3042 67fd6849 2022-02-13 stsp
3043 67fd6849 2022-02-13 stsp const struct got_error *
3044 67fd6849 2022-02-13 stsp got_privsep_send_raw_delta(struct imsgbuf *ibuf, uint64_t base_size,
3045 2d9e6abf 2022-05-04 stsp uint64_t result_size, off_t delta_size, off_t delta_compressed_size,
3046 2d9e6abf 2022-05-04 stsp off_t delta_offset, off_t delta_out_offset, struct got_object_id *base_id)
3047 67fd6849 2022-02-13 stsp {
3048 67fd6849 2022-02-13 stsp struct got_imsg_raw_delta idelta;
3049 67fd6849 2022-02-13 stsp int ret;
3050 67fd6849 2022-02-13 stsp
3051 67fd6849 2022-02-13 stsp idelta.base_size = base_size;
3052 67fd6849 2022-02-13 stsp idelta.result_size = result_size;
3053 67fd6849 2022-02-13 stsp idelta.delta_size = delta_size;
3054 2d9e6abf 2022-05-04 stsp idelta.delta_compressed_size = delta_compressed_size;
3055 67fd6849 2022-02-13 stsp idelta.delta_offset = delta_offset;
3056 67fd6849 2022-02-13 stsp idelta.delta_out_offset = delta_out_offset;
3057 67fd6849 2022-02-13 stsp memcpy(idelta.base_id, base_id->sha1, SHA1_DIGEST_LENGTH);
3058 67fd6849 2022-02-13 stsp
3059 67fd6849 2022-02-13 stsp ret = imsg_compose(ibuf, GOT_IMSG_RAW_DELTA, 0, 0, -1,
3060 67fd6849 2022-02-13 stsp &idelta, sizeof(idelta));
3061 67fd6849 2022-02-13 stsp if (ret == -1)
3062 67fd6849 2022-02-13 stsp return got_error_from_errno("imsg_compose RAW_DELTA");
3063 67fd6849 2022-02-13 stsp
3064 67fd6849 2022-02-13 stsp return flush_imsg(ibuf);
3065 ca6e02ac 2020-01-07 stsp }
3066 ca6e02ac 2020-01-07 stsp
3067 ca6e02ac 2020-01-07 stsp const struct got_error *
3068 67fd6849 2022-02-13 stsp got_privsep_recv_raw_delta(uint64_t *base_size, uint64_t *result_size,
3069 2d9e6abf 2022-05-04 stsp off_t *delta_size, off_t *delta_compressed_size, off_t *delta_offset,
3070 2d9e6abf 2022-05-04 stsp off_t *delta_out_offset, struct got_object_id **base_id, struct imsgbuf *ibuf)
3071 67fd6849 2022-02-13 stsp {
3072 67fd6849 2022-02-13 stsp const struct got_error *err = NULL;
3073 67fd6849 2022-02-13 stsp struct imsg imsg;
3074 67fd6849 2022-02-13 stsp struct got_imsg_raw_delta *delta;
3075 67fd6849 2022-02-13 stsp size_t datalen;
3076 67fd6849 2022-02-13 stsp
3077 67fd6849 2022-02-13 stsp *base_size = 0;
3078 67fd6849 2022-02-13 stsp *result_size = 0;
3079 67fd6849 2022-02-13 stsp *delta_size = 0;
3080 2d9e6abf 2022-05-04 stsp *delta_compressed_size = 0;
3081 67fd6849 2022-02-13 stsp *delta_offset = 0;
3082 67fd6849 2022-02-13 stsp *delta_out_offset = 0;
3083 67fd6849 2022-02-13 stsp *base_id = NULL;
3084 67fd6849 2022-02-13 stsp
3085 67fd6849 2022-02-13 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3086 67fd6849 2022-02-13 stsp if (err)
3087 67fd6849 2022-02-13 stsp return err;
3088 67fd6849 2022-02-13 stsp
3089 67fd6849 2022-02-13 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3090 67fd6849 2022-02-13 stsp
3091 67fd6849 2022-02-13 stsp switch (imsg.hdr.type) {
3092 67fd6849 2022-02-13 stsp case GOT_IMSG_RAW_DELTA:
3093 67fd6849 2022-02-13 stsp if (datalen != sizeof(*delta)) {
3094 67fd6849 2022-02-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
3095 67fd6849 2022-02-13 stsp break;
3096 67fd6849 2022-02-13 stsp }
3097 67fd6849 2022-02-13 stsp delta = imsg.data;
3098 67fd6849 2022-02-13 stsp *base_size = delta->base_size;
3099 67fd6849 2022-02-13 stsp *result_size = delta->result_size;
3100 67fd6849 2022-02-13 stsp *delta_size = delta->delta_size;
3101 2d9e6abf 2022-05-04 stsp *delta_compressed_size = delta->delta_compressed_size;
3102 67fd6849 2022-02-13 stsp *delta_offset = delta->delta_offset;
3103 67fd6849 2022-02-13 stsp *delta_out_offset = delta->delta_out_offset;
3104 67fd6849 2022-02-13 stsp *base_id = calloc(1, sizeof(**base_id));
3105 67fd6849 2022-02-13 stsp if (*base_id == NULL) {
3106 67fd6849 2022-02-13 stsp err = got_error_from_errno("malloc");
3107 67fd6849 2022-02-13 stsp break;
3108 67fd6849 2022-02-13 stsp }
3109 67fd6849 2022-02-13 stsp memcpy((*base_id)->sha1, delta->base_id, SHA1_DIGEST_LENGTH);
3110 67fd6849 2022-02-13 stsp break;
3111 67fd6849 2022-02-13 stsp default:
3112 67fd6849 2022-02-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
3113 67fd6849 2022-02-13 stsp break;
3114 67fd6849 2022-02-13 stsp }
3115 67fd6849 2022-02-13 stsp
3116 67fd6849 2022-02-13 stsp imsg_free(&imsg);
3117 67fd6849 2022-02-13 stsp
3118 67fd6849 2022-02-13 stsp if (err) {
3119 67fd6849 2022-02-13 stsp free(*base_id);
3120 67fd6849 2022-02-13 stsp *base_id = NULL;
3121 fae7e038 2022-05-07 stsp }
3122 fae7e038 2022-05-07 stsp return err;
3123 fae7e038 2022-05-07 stsp }
3124 fae7e038 2022-05-07 stsp
3125 0ab4c957 2022-06-13 stsp static const struct got_error *
3126 0ab4c957 2022-06-13 stsp send_idlist(struct imsgbuf *ibuf, struct got_object_id **ids, size_t nids)
3127 fae7e038 2022-05-07 stsp {
3128 fae7e038 2022-05-07 stsp const struct got_error *err = NULL;
3129 fae7e038 2022-05-07 stsp struct got_imsg_object_idlist idlist;
3130 fae7e038 2022-05-07 stsp struct ibuf *wbuf;
3131 fae7e038 2022-05-07 stsp size_t i;
3132 fae7e038 2022-05-07 stsp
3133 fae7e038 2022-05-07 stsp if (nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS)
3134 fae7e038 2022-05-07 stsp return got_error(GOT_ERR_NO_SPACE);
3135 fae7e038 2022-05-07 stsp
3136 fae7e038 2022-05-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_OBJ_ID_LIST, 0, 0,
3137 fae7e038 2022-05-07 stsp sizeof(idlist) + nids * sizeof(**ids));
3138 fae7e038 2022-05-07 stsp if (wbuf == NULL) {
3139 fae7e038 2022-05-07 stsp err = got_error_from_errno("imsg_create OBJ_ID_LIST");
3140 fae7e038 2022-05-07 stsp return err;
3141 fae7e038 2022-05-07 stsp }
3142 fae7e038 2022-05-07 stsp
3143 fae7e038 2022-05-07 stsp idlist.nids = nids;
3144 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &idlist, sizeof(idlist)) == -1)
3145 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add OBJ_ID_LIST");
3146 fae7e038 2022-05-07 stsp
3147 fae7e038 2022-05-07 stsp for (i = 0; i < nids; i++) {
3148 fae7e038 2022-05-07 stsp struct got_object_id *id = ids[i];
3149 1453347d 2022-05-19 stsp if (imsg_add(wbuf, id, sizeof(*id)) == -1)
3150 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add OBJ_ID_LIST");
3151 fae7e038 2022-05-07 stsp }
3152 fae7e038 2022-05-07 stsp
3153 fae7e038 2022-05-07 stsp wbuf->fd = -1;
3154 fae7e038 2022-05-07 stsp imsg_close(ibuf, wbuf);
3155 fae7e038 2022-05-07 stsp
3156 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
3157 fae7e038 2022-05-07 stsp }
3158 fae7e038 2022-05-07 stsp
3159 fae7e038 2022-05-07 stsp const struct got_error *
3160 0ab4c957 2022-06-13 stsp got_privsep_send_object_idlist(struct imsgbuf *ibuf,
3161 0ab4c957 2022-06-13 stsp struct got_object_id **ids, size_t nids)
3162 0ab4c957 2022-06-13 stsp {
3163 0ab4c957 2022-06-13 stsp const struct got_error *err = NULL;
3164 0ab4c957 2022-06-13 stsp struct got_object_id *idlist[GOT_IMSG_OBJ_ID_LIST_MAX_NIDS];
3165 0ab4c957 2022-06-13 stsp int i, j = 0;
3166 0ab4c957 2022-06-13 stsp
3167 0ab4c957 2022-06-13 stsp for (i = 0; i < nids; i++) {
3168 0ab4c957 2022-06-13 stsp j = i % nitems(idlist);
3169 0ab4c957 2022-06-13 stsp idlist[j] = ids[i];
3170 0ab4c957 2022-06-13 stsp if (j >= nitems(idlist) - 1) {
3171 0ab4c957 2022-06-13 stsp err = send_idlist(ibuf, idlist, j + 1);
3172 0ab4c957 2022-06-13 stsp if (err)
3173 0ab4c957 2022-06-13 stsp return err;
3174 0ab4c957 2022-06-13 stsp j = 0;
3175 0ab4c957 2022-06-13 stsp }
3176 0ab4c957 2022-06-13 stsp }
3177 0ab4c957 2022-06-13 stsp
3178 0ab4c957 2022-06-13 stsp if (j > 0) {
3179 0ab4c957 2022-06-13 stsp err = send_idlist(ibuf, idlist, j + 1);
3180 0ab4c957 2022-06-13 stsp if (err)
3181 0ab4c957 2022-06-13 stsp return err;
3182 0ab4c957 2022-06-13 stsp }
3183 0ab4c957 2022-06-13 stsp
3184 0ab4c957 2022-06-13 stsp return NULL;
3185 0ab4c957 2022-06-13 stsp }
3186 0ab4c957 2022-06-13 stsp
3187 0ab4c957 2022-06-13 stsp const struct got_error *
3188 fae7e038 2022-05-07 stsp got_privsep_send_object_idlist_done(struct imsgbuf *ibuf)
3189 fae7e038 2022-05-07 stsp {
3190 fae7e038 2022-05-07 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJ_ID_LIST_DONE, 0, 0, -1, NULL, 0)
3191 fae7e038 2022-05-07 stsp == -1)
3192 fae7e038 2022-05-07 stsp return got_error_from_errno("imsg_compose OBJ_ID_LIST_DONE");
3193 fae7e038 2022-05-07 stsp
3194 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
3195 fae7e038 2022-05-07 stsp }
3196 fae7e038 2022-05-07 stsp
3197 fae7e038 2022-05-07 stsp const struct got_error *
3198 fae7e038 2022-05-07 stsp got_privsep_recv_object_idlist(int *done, struct got_object_id **ids,
3199 fae7e038 2022-05-07 stsp size_t *nids, struct imsgbuf *ibuf)
3200 fae7e038 2022-05-07 stsp {
3201 fae7e038 2022-05-07 stsp const struct got_error *err = NULL;
3202 fae7e038 2022-05-07 stsp struct imsg imsg;
3203 fae7e038 2022-05-07 stsp struct got_imsg_object_idlist *idlist;
3204 fae7e038 2022-05-07 stsp size_t datalen;
3205 fae7e038 2022-05-07 stsp
3206 fae7e038 2022-05-07 stsp *ids = NULL;
3207 fae7e038 2022-05-07 stsp *done = 0;
3208 fae7e038 2022-05-07 stsp *nids = 0;
3209 fae7e038 2022-05-07 stsp
3210 fae7e038 2022-05-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3211 fae7e038 2022-05-07 stsp if (err)
3212 fae7e038 2022-05-07 stsp return err;
3213 fae7e038 2022-05-07 stsp
3214 fae7e038 2022-05-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3215 fae7e038 2022-05-07 stsp switch (imsg.hdr.type) {
3216 fae7e038 2022-05-07 stsp case GOT_IMSG_OBJ_ID_LIST:
3217 fae7e038 2022-05-07 stsp if (datalen < sizeof(*idlist)) {
3218 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
3219 fae7e038 2022-05-07 stsp break;
3220 fae7e038 2022-05-07 stsp }
3221 fae7e038 2022-05-07 stsp idlist = imsg.data;
3222 fae7e038 2022-05-07 stsp if (idlist->nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS) {
3223 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
3224 fae7e038 2022-05-07 stsp break;
3225 fae7e038 2022-05-07 stsp }
3226 fae7e038 2022-05-07 stsp *nids = idlist->nids;
3227 fae7e038 2022-05-07 stsp *ids = calloc(*nids, sizeof(**ids));
3228 fae7e038 2022-05-07 stsp if (*ids == NULL) {
3229 fae7e038 2022-05-07 stsp err = got_error_from_errno("calloc");
3230 fae7e038 2022-05-07 stsp break;
3231 fae7e038 2022-05-07 stsp }
3232 fae7e038 2022-05-07 stsp memcpy(*ids, (uint8_t *)imsg.data + sizeof(idlist),
3233 fae7e038 2022-05-07 stsp *nids * sizeof(**ids));
3234 fae7e038 2022-05-07 stsp break;
3235 fae7e038 2022-05-07 stsp case GOT_IMSG_OBJ_ID_LIST_DONE:
3236 fae7e038 2022-05-07 stsp *done = 1;
3237 fae7e038 2022-05-07 stsp break;
3238 fae7e038 2022-05-07 stsp default:
3239 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
3240 fae7e038 2022-05-07 stsp break;
3241 fae7e038 2022-05-07 stsp }
3242 fae7e038 2022-05-07 stsp
3243 fae7e038 2022-05-07 stsp imsg_free(&imsg);
3244 fae7e038 2022-05-07 stsp
3245 fae7e038 2022-05-07 stsp return err;
3246 fae7e038 2022-05-07 stsp }
3247 fae7e038 2022-05-07 stsp
3248 fae7e038 2022-05-07 stsp const struct got_error *
3249 fae7e038 2022-05-07 stsp got_privsep_send_delta_reuse_req(struct imsgbuf *ibuf)
3250 fae7e038 2022-05-07 stsp {
3251 fae7e038 2022-05-07 stsp if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_REQUEST, 0, 0, -1, NULL, 0)
3252 fae7e038 2022-05-07 stsp == -1)
3253 fae7e038 2022-05-07 stsp return got_error_from_errno("imsg_compose DELTA_REUSE_REQUEST");
3254 fae7e038 2022-05-07 stsp
3255 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
3256 fae7e038 2022-05-07 stsp }
3257 fae7e038 2022-05-07 stsp
3258 fae7e038 2022-05-07 stsp const struct got_error *
3259 fae7e038 2022-05-07 stsp got_privsep_send_reused_deltas(struct imsgbuf *ibuf,
3260 fae7e038 2022-05-07 stsp struct got_imsg_reused_delta *deltas, size_t ndeltas)
3261 fae7e038 2022-05-07 stsp {
3262 fae7e038 2022-05-07 stsp const struct got_error *err = NULL;
3263 fae7e038 2022-05-07 stsp struct ibuf *wbuf;
3264 fae7e038 2022-05-07 stsp struct got_imsg_reused_deltas ideltas;
3265 fae7e038 2022-05-07 stsp size_t i;
3266 fae7e038 2022-05-07 stsp
3267 fae7e038 2022-05-07 stsp if (ndeltas > GOT_IMSG_REUSED_DELTAS_MAX_NDELTAS)
3268 fae7e038 2022-05-07 stsp return got_error(GOT_ERR_NO_SPACE);
3269 fae7e038 2022-05-07 stsp
3270 fae7e038 2022-05-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_REUSED_DELTAS, 0, 0,
3271 fae7e038 2022-05-07 stsp sizeof(ideltas) + ndeltas * sizeof(*deltas));
3272 fae7e038 2022-05-07 stsp if (wbuf == NULL) {
3273 fae7e038 2022-05-07 stsp err = got_error_from_errno("imsg_create REUSED_DELTAS");
3274 fae7e038 2022-05-07 stsp return err;
3275 67fd6849 2022-02-13 stsp }
3276 fae7e038 2022-05-07 stsp
3277 fae7e038 2022-05-07 stsp ideltas.ndeltas = ndeltas;
3278 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &ideltas, sizeof(ideltas)) == -1)
3279 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add REUSED_DELTAS");
3280 fae7e038 2022-05-07 stsp
3281 fae7e038 2022-05-07 stsp for (i = 0; i < ndeltas; i++) {
3282 fae7e038 2022-05-07 stsp struct got_imsg_reused_delta *delta = &deltas[i];
3283 1453347d 2022-05-19 stsp if (imsg_add(wbuf, delta, sizeof(*delta)) == -1)
3284 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add REUSED_DELTAS");
3285 fae7e038 2022-05-07 stsp }
3286 fae7e038 2022-05-07 stsp
3287 fae7e038 2022-05-07 stsp wbuf->fd = -1;
3288 fae7e038 2022-05-07 stsp imsg_close(ibuf, wbuf);
3289 fae7e038 2022-05-07 stsp
3290 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
3291 fae7e038 2022-05-07 stsp }
3292 fae7e038 2022-05-07 stsp
3293 fae7e038 2022-05-07 stsp const struct got_error *
3294 fae7e038 2022-05-07 stsp got_privsep_send_reused_deltas_done(struct imsgbuf *ibuf)
3295 fae7e038 2022-05-07 stsp {
3296 fae7e038 2022-05-07 stsp if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_DONE, 0, 0, -1, NULL, 0)
3297 fae7e038 2022-05-07 stsp == -1)
3298 fae7e038 2022-05-07 stsp return got_error_from_errno("imsg_compose DELTA_REUSE_DONE");
3299 fae7e038 2022-05-07 stsp
3300 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
3301 fae7e038 2022-05-07 stsp }
3302 fae7e038 2022-05-07 stsp
3303 fae7e038 2022-05-07 stsp const struct got_error *
3304 fae7e038 2022-05-07 stsp got_privsep_recv_reused_deltas(int *done, struct got_imsg_reused_delta *deltas,
3305 fae7e038 2022-05-07 stsp size_t *ndeltas, struct imsgbuf *ibuf)
3306 fae7e038 2022-05-07 stsp {
3307 fae7e038 2022-05-07 stsp const struct got_error *err = NULL;
3308 fae7e038 2022-05-07 stsp struct imsg imsg;
3309 fae7e038 2022-05-07 stsp struct got_imsg_reused_deltas *ideltas;
3310 fae7e038 2022-05-07 stsp size_t datalen;
3311 fae7e038 2022-05-07 stsp
3312 fae7e038 2022-05-07 stsp *done = 0;
3313 fae7e038 2022-05-07 stsp *ndeltas = 0;
3314 fae7e038 2022-05-07 stsp
3315 fae7e038 2022-05-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3316 fae7e038 2022-05-07 stsp if (err)
3317 fae7e038 2022-05-07 stsp return err;
3318 fae7e038 2022-05-07 stsp
3319 fae7e038 2022-05-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3320 fae7e038 2022-05-07 stsp switch (imsg.hdr.type) {
3321 fae7e038 2022-05-07 stsp case GOT_IMSG_REUSED_DELTAS:
3322 fae7e038 2022-05-07 stsp if (datalen < sizeof(*ideltas)) {
3323 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
3324 fae7e038 2022-05-07 stsp break;
3325 fae7e038 2022-05-07 stsp }
3326 fae7e038 2022-05-07 stsp ideltas = imsg.data;
3327 fae7e038 2022-05-07 stsp if (ideltas->ndeltas > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS) {
3328 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
3329 fae7e038 2022-05-07 stsp break;
3330 fae7e038 2022-05-07 stsp }
3331 fae7e038 2022-05-07 stsp *ndeltas = ideltas->ndeltas;
3332 fae7e038 2022-05-07 stsp memcpy(deltas, (uint8_t *)imsg.data + sizeof(ideltas),
3333 fae7e038 2022-05-07 stsp *ndeltas * sizeof(*deltas));
3334 fae7e038 2022-05-07 stsp break;
3335 fae7e038 2022-05-07 stsp case GOT_IMSG_DELTA_REUSE_DONE:
3336 fae7e038 2022-05-07 stsp *done = 1;
3337 fae7e038 2022-05-07 stsp break;
3338 fae7e038 2022-05-07 stsp default:
3339 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
3340 fae7e038 2022-05-07 stsp break;
3341 fae7e038 2022-05-07 stsp }
3342 fae7e038 2022-05-07 stsp
3343 fae7e038 2022-05-07 stsp imsg_free(&imsg);
3344 fae7e038 2022-05-07 stsp
3345 67fd6849 2022-02-13 stsp return err;
3346 67fd6849 2022-02-13 stsp }
3347 67fd6849 2022-02-13 stsp
3348 67fd6849 2022-02-13 stsp const struct got_error *
3349 63219cd2 2019-01-04 stsp got_privsep_unveil_exec_helpers(void)
3350 63219cd2 2019-01-04 stsp {
3351 c39c25dd 2019-08-09 stsp const char *helpers[] = {
3352 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_PACK,
3353 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_OBJECT,
3354 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_COMMIT,
3355 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TREE,
3356 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_BLOB,
3357 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TAG,
3358 aba9c984 2019-09-08 stsp GOT_PATH_PROG_READ_GITCONFIG,
3359 257add31 2020-09-09 stsp GOT_PATH_PROG_READ_GOTCONFIG,
3360 e9ce266e 2022-03-07 op GOT_PATH_PROG_READ_PATCH,
3361 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_FETCH_PACK,
3362 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_INDEX_PACK,
3363 f8a36e22 2021-08-26 stsp GOT_PATH_PROG_SEND_PACK,
3364 c39c25dd 2019-08-09 stsp };
3365 16aeacf7 2020-11-26 stsp size_t i;
3366 63219cd2 2019-01-04 stsp
3367 c39c25dd 2019-08-09 stsp for (i = 0; i < nitems(helpers); i++) {
3368 c39c25dd 2019-08-09 stsp if (unveil(helpers[i], "x") == 0)
3369 c39c25dd 2019-08-09 stsp continue;
3370 c39c25dd 2019-08-09 stsp return got_error_from_errno2("unveil", helpers[i]);
3371 c39c25dd 2019-08-09 stsp }
3372 c39c25dd 2019-08-09 stsp
3373 63219cd2 2019-01-04 stsp return NULL;
3374 876c234b 2018-09-10 stsp }
3375 aba9c984 2019-09-08 stsp
3376 aba9c984 2019-09-08 stsp void
3377 aba9c984 2019-09-08 stsp got_privsep_exec_child(int imsg_fds[2], const char *path, const char *repo_path)
3378 aba9c984 2019-09-08 stsp {
3379 08578a35 2021-01-22 stsp if (close(imsg_fds[0]) == -1) {
3380 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3381 aba9c984 2019-09-08 stsp _exit(1);
3382 aba9c984 2019-09-08 stsp }
3383 aba9c984 2019-09-08 stsp
3384 aba9c984 2019-09-08 stsp if (dup2(imsg_fds[1], GOT_IMSG_FD_CHILD) == -1) {
3385 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3386 aba9c984 2019-09-08 stsp _exit(1);
3387 aba9c984 2019-09-08 stsp }
3388 aba9c984 2019-09-08 stsp
3389 4a55b231 2021-12-09 stsp closefrom(GOT_IMSG_FD_CHILD + 1);
3390 4a55b231 2021-12-09 stsp
3391 aba9c984 2019-09-08 stsp if (execl(path, path, repo_path, (char *)NULL) == -1) {
3392 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s: %s\n", getprogname(), path,
3393 aba9c984 2019-09-08 stsp strerror(errno));
3394 aba9c984 2019-09-08 stsp _exit(1);
3395 aba9c984 2019-09-08 stsp }
3396 aba9c984 2019-09-08 stsp }