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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/uio.h>
20 876c234b 2018-09-10 stsp #include <sys/wait.h>
21 2178c42e 2018-04-22 stsp
22 531c3985 2020-03-18 stsp #include <ctype.h>
23 23c57b28 2020-09-11 naddy #include <limits.h>
24 a486b62b 2021-05-18 stsp #include <signal.h>
25 2178c42e 2018-04-22 stsp #include <stdio.h>
26 2178c42e 2018-04-22 stsp #include <stdlib.h>
27 2178c42e 2018-04-22 stsp #include <string.h>
28 2178c42e 2018-04-22 stsp #include <errno.h>
29 2178c42e 2018-04-22 stsp #include <stdint.h>
30 2178c42e 2018-04-22 stsp #include <poll.h>
31 81a12da5 2020-09-09 naddy #include <unistd.h>
32 2178c42e 2018-04-22 stsp #include <zlib.h>
33 788c352e 2018-06-16 stsp #include <time.h>
34 dd038bc6 2021-09-21 thomas.ad
35 dd038bc6 2021-09-21 thomas.ad #include "got_compat.h"
36 2178c42e 2018-04-22 stsp
37 2178c42e 2018-04-22 stsp #include "got_object.h"
38 2178c42e 2018-04-22 stsp #include "got_error.h"
39 3022d272 2019-11-14 stsp #include "got_path.h"
40 cd95becd 2019-11-29 stsp #include "got_repository.h"
41 2178c42e 2018-04-22 stsp
42 2178c42e 2018-04-22 stsp #include "got_lib_sha1.h"
43 2178c42e 2018-04-22 stsp #include "got_lib_delta.h"
44 63581804 2018-07-09 stsp #include "got_lib_inflate.h"
45 2178c42e 2018-04-22 stsp #include "got_lib_object.h"
46 a440fac0 2018-09-06 stsp #include "got_lib_object_parse.h"
47 2178c42e 2018-04-22 stsp #include "got_lib_privsep.h"
48 876c234b 2018-09-10 stsp #include "got_lib_pack.h"
49 2178c42e 2018-04-22 stsp
50 2178c42e 2018-04-22 stsp #ifndef MIN
51 2178c42e 2018-04-22 stsp #define MIN(_a,_b) ((_a) < (_b) ? (_a) : (_b))
52 c39c25dd 2019-08-09 stsp #endif
53 c39c25dd 2019-08-09 stsp
54 c39c25dd 2019-08-09 stsp #ifndef nitems
55 c39c25dd 2019-08-09 stsp #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
56 2178c42e 2018-04-22 stsp #endif
57 2178c42e 2018-04-22 stsp
58 2178c42e 2018-04-22 stsp static const struct got_error *
59 2178c42e 2018-04-22 stsp poll_fd(int fd, int events, int timeout)
60 2178c42e 2018-04-22 stsp {
61 2178c42e 2018-04-22 stsp struct pollfd pfd[1];
62 a486b62b 2021-05-18 stsp struct timespec ts;
63 a486b62b 2021-05-18 stsp sigset_t sigset;
64 2178c42e 2018-04-22 stsp int n;
65 2178c42e 2018-04-22 stsp
66 2178c42e 2018-04-22 stsp pfd[0].fd = fd;
67 2178c42e 2018-04-22 stsp pfd[0].events = events;
68 2178c42e 2018-04-22 stsp
69 a486b62b 2021-05-18 stsp ts.tv_sec = timeout;
70 a486b62b 2021-05-18 stsp ts.tv_nsec = 0;
71 a486b62b 2021-05-18 stsp
72 a486b62b 2021-05-18 stsp if (sigemptyset(&sigset) == -1)
73 a486b62b 2021-05-18 stsp return got_error_from_errno("sigemptyset");
74 a486b62b 2021-05-18 stsp if (sigaddset(&sigset, SIGWINCH) == -1)
75 a486b62b 2021-05-18 stsp return got_error_from_errno("sigaddset");
76 a486b62b 2021-05-18 stsp
77 a486b62b 2021-05-18 stsp n = ppoll(pfd, 1, timeout == INFTIM ? NULL : &ts, &sigset);
78 2178c42e 2018-04-22 stsp if (n == -1)
79 932dbee7 2021-05-19 stsp return got_error_from_errno("ppoll");
80 2178c42e 2018-04-22 stsp if (n == 0)
81 2178c42e 2018-04-22 stsp return got_error(GOT_ERR_TIMEOUT);
82 2178c42e 2018-04-22 stsp if (pfd[0].revents & (POLLERR | POLLNVAL))
83 638f9024 2019-05-13 stsp return got_error_from_errno("poll error");
84 2178c42e 2018-04-22 stsp if (pfd[0].revents & (events | POLLHUP))
85 2178c42e 2018-04-22 stsp return NULL;
86 2178c42e 2018-04-22 stsp
87 2178c42e 2018-04-22 stsp return got_error(GOT_ERR_INTERRUPT);
88 2178c42e 2018-04-22 stsp }
89 2178c42e 2018-04-22 stsp
90 c4eae628 2018-04-23 stsp static const struct got_error *
91 e033d803 2018-04-23 stsp read_imsg(struct imsgbuf *ibuf)
92 fe36cf76 2018-04-23 stsp {
93 fe36cf76 2018-04-23 stsp const struct got_error *err;
94 e033d803 2018-04-23 stsp size_t n;
95 fe36cf76 2018-04-23 stsp
96 fe36cf76 2018-04-23 stsp err = poll_fd(ibuf->fd, POLLIN, INFTIM);
97 fe36cf76 2018-04-23 stsp if (err)
98 fe36cf76 2018-04-23 stsp return err;
99 fe36cf76 2018-04-23 stsp
100 fe36cf76 2018-04-23 stsp n = imsg_read(ibuf);
101 fe36cf76 2018-04-23 stsp if (n == -1) {
102 fe36cf76 2018-04-23 stsp if (errno == EAGAIN) /* Could be a file-descriptor leak. */
103 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_NO_FD);
104 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_READ);
105 fe36cf76 2018-04-23 stsp }
106 fe36cf76 2018-04-23 stsp if (n == 0)
107 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_PIPE);
108 fe36cf76 2018-04-23 stsp
109 e033d803 2018-04-23 stsp return NULL;
110 e033d803 2018-04-23 stsp }
111 e033d803 2018-04-23 stsp
112 ad242220 2018-09-08 stsp const struct got_error *
113 876c234b 2018-09-10 stsp got_privsep_wait_for_child(pid_t pid)
114 876c234b 2018-09-10 stsp {
115 876c234b 2018-09-10 stsp int child_status;
116 876c234b 2018-09-10 stsp
117 2cb49fa8 2019-05-10 stsp if (waitpid(pid, &child_status, 0) == -1)
118 638f9024 2019-05-13 stsp return got_error_from_errno("waitpid");
119 876c234b 2018-09-10 stsp
120 876c234b 2018-09-10 stsp if (!WIFEXITED(child_status))
121 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_DIED);
122 876c234b 2018-09-10 stsp
123 876c234b 2018-09-10 stsp if (WEXITSTATUS(child_status) != 0)
124 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_EXIT);
125 876c234b 2018-09-10 stsp
126 876c234b 2018-09-10 stsp return NULL;
127 876c234b 2018-09-10 stsp }
128 876c234b 2018-09-10 stsp
129 73b7854a 2018-11-11 stsp static const struct got_error *
130 73b7854a 2018-11-11 stsp recv_imsg_error(struct imsg *imsg, size_t datalen)
131 73b7854a 2018-11-11 stsp {
132 73b7854a 2018-11-11 stsp struct got_imsg_error *ierr;
133 73b7854a 2018-11-11 stsp
134 73b7854a 2018-11-11 stsp if (datalen != sizeof(*ierr))
135 73b7854a 2018-11-11 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
136 73b7854a 2018-11-11 stsp
137 73b7854a 2018-11-11 stsp ierr = imsg->data;
138 73b7854a 2018-11-11 stsp if (ierr->code == GOT_ERR_ERRNO) {
139 73b7854a 2018-11-11 stsp static struct got_error serr;
140 73b7854a 2018-11-11 stsp serr.code = GOT_ERR_ERRNO;
141 73b7854a 2018-11-11 stsp serr.msg = strerror(ierr->errno_code);
142 73b7854a 2018-11-11 stsp return &serr;
143 73b7854a 2018-11-11 stsp }
144 73b7854a 2018-11-11 stsp
145 73b7854a 2018-11-11 stsp return got_error(ierr->code);
146 73b7854a 2018-11-11 stsp }
147 73b7854a 2018-11-11 stsp
148 876c234b 2018-09-10 stsp const struct got_error *
149 46de5bfd 2018-11-11 stsp got_privsep_recv_imsg(struct imsg *imsg, struct imsgbuf *ibuf,
150 46de5bfd 2018-11-11 stsp size_t min_datalen)
151 e033d803 2018-04-23 stsp {
152 e033d803 2018-04-23 stsp const struct got_error *err;
153 e033d803 2018-04-23 stsp ssize_t n;
154 e033d803 2018-04-23 stsp
155 e033d803 2018-04-23 stsp n = imsg_get(ibuf, imsg);
156 876c234b 2018-09-10 stsp if (n == -1)
157 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_get");
158 876c234b 2018-09-10 stsp
159 876c234b 2018-09-10 stsp while (n == 0) {
160 876c234b 2018-09-10 stsp err = read_imsg(ibuf);
161 876c234b 2018-09-10 stsp if (err)
162 876c234b 2018-09-10 stsp return err;
163 876c234b 2018-09-10 stsp n = imsg_get(ibuf, imsg);
164 cbfaaf20 2020-01-06 stsp if (n == -1)
165 cbfaaf20 2020-01-06 stsp return got_error_from_errno("imsg_get");
166 876c234b 2018-09-10 stsp }
167 fe36cf76 2018-04-23 stsp
168 fe36cf76 2018-04-23 stsp if (imsg->hdr.len < IMSG_HEADER_SIZE + min_datalen)
169 c4eae628 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
170 c4eae628 2018-04-23 stsp
171 73b7854a 2018-11-11 stsp if (imsg->hdr.type == GOT_IMSG_ERROR) {
172 73b7854a 2018-11-11 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
173 73b7854a 2018-11-11 stsp return recv_imsg_error(imsg, datalen);
174 c4eae628 2018-04-23 stsp }
175 c4eae628 2018-04-23 stsp
176 73b7854a 2018-11-11 stsp return NULL;
177 c4eae628 2018-04-23 stsp }
178 c4eae628 2018-04-23 stsp
179 2178c42e 2018-04-22 stsp /* Attempt to send an error in an imsg. Complain on stderr as a last resort. */
180 2178c42e 2018-04-22 stsp void
181 2178c42e 2018-04-22 stsp got_privsep_send_error(struct imsgbuf *ibuf, const struct got_error *err)
182 2178c42e 2018-04-22 stsp {
183 2178c42e 2018-04-22 stsp const struct got_error *poll_err;
184 2178c42e 2018-04-22 stsp struct got_imsg_error ierr;
185 2178c42e 2018-04-22 stsp int ret;
186 2178c42e 2018-04-22 stsp
187 2178c42e 2018-04-22 stsp ierr.code = err->code;
188 2178c42e 2018-04-22 stsp if (err->code == GOT_ERR_ERRNO)
189 2178c42e 2018-04-22 stsp ierr.errno_code = errno;
190 2178c42e 2018-04-22 stsp else
191 2178c42e 2018-04-22 stsp ierr.errno_code = 0;
192 2178c42e 2018-04-22 stsp ret = imsg_compose(ibuf, GOT_IMSG_ERROR, 0, 0, -1, &ierr, sizeof(ierr));
193 e93cd828 2018-11-11 stsp if (ret == -1) {
194 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_compose: %s\n",
195 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
196 5d43e84d 2018-04-23 stsp return;
197 2178c42e 2018-04-22 stsp }
198 2178c42e 2018-04-22 stsp
199 2178c42e 2018-04-22 stsp poll_err = poll_fd(ibuf->fd, POLLOUT, INFTIM);
200 5d43e84d 2018-04-23 stsp if (poll_err) {
201 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": poll: %s\n",
202 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, poll_err->msg);
203 5d43e84d 2018-04-23 stsp return;
204 5d43e84d 2018-04-23 stsp }
205 2178c42e 2018-04-22 stsp
206 2178c42e 2018-04-22 stsp ret = imsg_flush(ibuf);
207 5d43e84d 2018-04-23 stsp if (ret == -1) {
208 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_flush: %s\n",
209 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
210 e2752401 2022-02-16 thomas imsg_clear(ibuf);
211 5d43e84d 2018-04-23 stsp return;
212 5d43e84d 2018-04-23 stsp }
213 e033d803 2018-04-23 stsp }
214 e033d803 2018-04-23 stsp
215 e033d803 2018-04-23 stsp static const struct got_error *
216 e033d803 2018-04-23 stsp flush_imsg(struct imsgbuf *ibuf)
217 e033d803 2018-04-23 stsp {
218 e033d803 2018-04-23 stsp const struct got_error *err;
219 e033d803 2018-04-23 stsp
220 e033d803 2018-04-23 stsp err = poll_fd(ibuf->fd, POLLOUT, INFTIM);
221 e033d803 2018-04-23 stsp if (err)
222 e033d803 2018-04-23 stsp return err;
223 e033d803 2018-04-23 stsp
224 e2752401 2022-02-16 thomas if (imsg_flush(ibuf) == -1) {
225 e2752401 2022-02-16 thomas imsg_clear(ibuf);
226 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_flush");
227 e2752401 2022-02-16 thomas }
228 e033d803 2018-04-23 stsp
229 e033d803 2018-04-23 stsp return NULL;
230 ad242220 2018-09-08 stsp }
231 ad242220 2018-09-08 stsp
232 ad242220 2018-09-08 stsp const struct got_error *
233 e70bf110 2020-03-22 stsp got_privsep_flush_imsg(struct imsgbuf *ibuf)
234 e70bf110 2020-03-22 stsp {
235 e70bf110 2020-03-22 stsp return flush_imsg(ibuf);
236 e70bf110 2020-03-22 stsp }
237 e70bf110 2020-03-22 stsp
238 e70bf110 2020-03-22 stsp const struct got_error *
239 ad242220 2018-09-08 stsp got_privsep_send_stop(int fd)
240 ad242220 2018-09-08 stsp {
241 ad242220 2018-09-08 stsp const struct got_error *err = NULL;
242 ad242220 2018-09-08 stsp struct imsgbuf ibuf;
243 ad242220 2018-09-08 stsp
244 ad242220 2018-09-08 stsp imsg_init(&ibuf, fd);
245 ad242220 2018-09-08 stsp
246 ad242220 2018-09-08 stsp if (imsg_compose(&ibuf, GOT_IMSG_STOP, 0, 0, -1, NULL, 0) == -1)
247 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose STOP");
248 ad242220 2018-09-08 stsp
249 ad242220 2018-09-08 stsp err = flush_imsg(&ibuf);
250 ad242220 2018-09-08 stsp return err;
251 7762fe12 2018-11-05 stsp }
252 93658fb9 2020-03-18 stsp
253 93658fb9 2020-03-18 stsp const struct got_error *
254 d5c81d44 2021-07-08 stsp got_privsep_send_obj_req(struct imsgbuf *ibuf, int fd,
255 d5c81d44 2021-07-08 stsp struct got_object_id *id)
256 ad242220 2018-09-08 stsp {
257 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT_REQUEST, 0, 0, fd,
258 d5c81d44 2021-07-08 stsp id, sizeof(*id)) == -1)
259 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT_REQUEST");
260 59d1e4a0 2021-03-10 stsp
261 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
262 59d1e4a0 2021-03-10 stsp }
263 59d1e4a0 2021-03-10 stsp
264 59d1e4a0 2021-03-10 stsp const struct got_error *
265 d5c81d44 2021-07-08 stsp got_privsep_send_raw_obj_req(struct imsgbuf *ibuf, int fd,
266 d5c81d44 2021-07-08 stsp struct got_object_id *id)
267 59d1e4a0 2021-03-10 stsp {
268 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_OBJECT_REQUEST, 0, 0, fd,
269 d5c81d44 2021-07-08 stsp id, sizeof(*id)) == -1)
270 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose RAW_OBJECT_REQUEST");
271 59d1e4a0 2021-03-10 stsp
272 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
273 59d1e4a0 2021-03-10 stsp }
274 59d1e4a0 2021-03-10 stsp
275 59d1e4a0 2021-03-10 stsp const struct got_error *
276 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj_outfd(struct imsgbuf *ibuf, int outfd)
277 59d1e4a0 2021-03-10 stsp {
278 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
279 59d1e4a0 2021-03-10 stsp
280 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_OBJECT_OUTFD, 0, 0, outfd, NULL, 0)
281 59d1e4a0 2021-03-10 stsp == -1) {
282 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_compose RAW_OBJECT_OUTFD");
283 59d1e4a0 2021-03-10 stsp close(outfd);
284 59d1e4a0 2021-03-10 stsp return err;
285 59d1e4a0 2021-03-10 stsp }
286 59d1e4a0 2021-03-10 stsp
287 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
288 59d1e4a0 2021-03-10 stsp }
289 59d1e4a0 2021-03-10 stsp
290 59d1e4a0 2021-03-10 stsp const struct got_error *
291 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj(struct imsgbuf *ibuf, off_t size, size_t hdrlen,
292 59d1e4a0 2021-03-10 stsp uint8_t *data)
293 59d1e4a0 2021-03-10 stsp {
294 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
295 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj iobj;
296 59d1e4a0 2021-03-10 stsp size_t len = sizeof(iobj);
297 59d1e4a0 2021-03-10 stsp struct ibuf *wbuf;
298 1785f84a 2018-12-23 stsp
299 59d1e4a0 2021-03-10 stsp iobj.hdrlen = hdrlen;
300 59d1e4a0 2021-03-10 stsp iobj.size = size;
301 59d1e4a0 2021-03-10 stsp
302 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX)
303 a8591711 2021-06-18 stsp len += (size_t)size + hdrlen;
304 59d1e4a0 2021-03-10 stsp
305 59d1e4a0 2021-03-10 stsp wbuf = imsg_create(ibuf, GOT_IMSG_RAW_OBJECT, 0, 0, len);
306 59d1e4a0 2021-03-10 stsp if (wbuf == NULL) {
307 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_create RAW_OBJECT");
308 59d1e4a0 2021-03-10 stsp return err;
309 59d1e4a0 2021-03-10 stsp }
310 59d1e4a0 2021-03-10 stsp
311 59d1e4a0 2021-03-10 stsp if (imsg_add(wbuf, &iobj, sizeof(iobj)) == -1) {
312 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_add RAW_OBJECT");
313 59d1e4a0 2021-03-10 stsp ibuf_free(wbuf);
314 59d1e4a0 2021-03-10 stsp return err;
315 59d1e4a0 2021-03-10 stsp }
316 59d1e4a0 2021-03-10 stsp
317 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
318 a8591711 2021-06-18 stsp if (imsg_add(wbuf, data, size + hdrlen) == -1) {
319 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_add RAW_OBJECT");
320 59d1e4a0 2021-03-10 stsp ibuf_free(wbuf);
321 59d1e4a0 2021-03-10 stsp return err;
322 59d1e4a0 2021-03-10 stsp }
323 59d1e4a0 2021-03-10 stsp }
324 59d1e4a0 2021-03-10 stsp
325 59d1e4a0 2021-03-10 stsp wbuf->fd = -1;
326 59d1e4a0 2021-03-10 stsp imsg_close(ibuf, wbuf);
327 59d1e4a0 2021-03-10 stsp
328 1785f84a 2018-12-23 stsp return flush_imsg(ibuf);
329 1785f84a 2018-12-23 stsp }
330 1785f84a 2018-12-23 stsp
331 1785f84a 2018-12-23 stsp const struct got_error *
332 59d1e4a0 2021-03-10 stsp got_privsep_recv_raw_obj(uint8_t **outbuf, off_t *size, size_t *hdrlen,
333 59d1e4a0 2021-03-10 stsp struct imsgbuf *ibuf)
334 59d1e4a0 2021-03-10 stsp {
335 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
336 59d1e4a0 2021-03-10 stsp struct imsg imsg;
337 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj *iobj;
338 59d1e4a0 2021-03-10 stsp size_t datalen;
339 59d1e4a0 2021-03-10 stsp
340 59d1e4a0 2021-03-10 stsp *outbuf = NULL;
341 59d1e4a0 2021-03-10 stsp
342 59d1e4a0 2021-03-10 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
343 59d1e4a0 2021-03-10 stsp if (err)
344 59d1e4a0 2021-03-10 stsp return err;
345 59d1e4a0 2021-03-10 stsp
346 59d1e4a0 2021-03-10 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
347 59d1e4a0 2021-03-10 stsp
348 59d1e4a0 2021-03-10 stsp switch (imsg.hdr.type) {
349 59d1e4a0 2021-03-10 stsp case GOT_IMSG_RAW_OBJECT:
350 59d1e4a0 2021-03-10 stsp if (datalen < sizeof(*iobj)) {
351 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
352 59d1e4a0 2021-03-10 stsp break;
353 59d1e4a0 2021-03-10 stsp }
354 59d1e4a0 2021-03-10 stsp iobj = imsg.data;
355 59d1e4a0 2021-03-10 stsp *size = iobj->size;
356 59d1e4a0 2021-03-10 stsp *hdrlen = iobj->hdrlen;
357 59d1e4a0 2021-03-10 stsp
358 59d1e4a0 2021-03-10 stsp if (datalen == sizeof(*iobj)) {
359 59d1e4a0 2021-03-10 stsp /* Data has been written to file descriptor. */
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 if (*size + *hdrlen > GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
364 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
365 59d1e4a0 2021-03-10 stsp break;
366 59d1e4a0 2021-03-10 stsp }
367 59d1e4a0 2021-03-10 stsp
368 a8591711 2021-06-18 stsp *outbuf = malloc(*size + *hdrlen);
369 59d1e4a0 2021-03-10 stsp if (*outbuf == NULL) {
370 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("malloc");
371 59d1e4a0 2021-03-10 stsp break;
372 59d1e4a0 2021-03-10 stsp }
373 a8591711 2021-06-18 stsp memcpy(*outbuf, imsg.data + sizeof(*iobj), *size + *hdrlen);
374 59d1e4a0 2021-03-10 stsp break;
375 59d1e4a0 2021-03-10 stsp default:
376 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
377 59d1e4a0 2021-03-10 stsp break;
378 59d1e4a0 2021-03-10 stsp }
379 59d1e4a0 2021-03-10 stsp
380 59d1e4a0 2021-03-10 stsp imsg_free(&imsg);
381 59d1e4a0 2021-03-10 stsp
382 59d1e4a0 2021-03-10 stsp return err;
383 59d1e4a0 2021-03-10 stsp }
384 59d1e4a0 2021-03-10 stsp
385 59d1e4a0 2021-03-10 stsp const struct got_error *
386 1785f84a 2018-12-23 stsp got_privsep_send_commit_req(struct imsgbuf *ibuf, int fd,
387 1785f84a 2018-12-23 stsp struct got_object_id *id, int pack_idx)
388 1785f84a 2018-12-23 stsp {
389 41496140 2019-02-21 stsp const struct got_error *err = NULL;
390 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
391 d5c81d44 2021-07-08 stsp void *data;
392 1785f84a 2018-12-23 stsp size_t len;
393 1785f84a 2018-12-23 stsp
394 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* commit is packed */
395 1785f84a 2018-12-23 stsp iobj.idx = pack_idx;
396 1785f84a 2018-12-23 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
397 d5c81d44 2021-07-08 stsp data = &iobj;
398 1785f84a 2018-12-23 stsp len = sizeof(iobj);
399 1785f84a 2018-12-23 stsp } else {
400 d5c81d44 2021-07-08 stsp data = id;
401 d5c81d44 2021-07-08 stsp len = sizeof(*id);
402 1785f84a 2018-12-23 stsp }
403 1785f84a 2018-12-23 stsp
404 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_REQUEST, 0, 0, fd, data, len)
405 41496140 2019-02-21 stsp == -1) {
406 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT_REQUEST");
407 41496140 2019-02-21 stsp close(fd);
408 41496140 2019-02-21 stsp return err;
409 41496140 2019-02-21 stsp }
410 13c729f7 2018-12-24 stsp
411 13c729f7 2018-12-24 stsp return flush_imsg(ibuf);
412 13c729f7 2018-12-24 stsp }
413 13c729f7 2018-12-24 stsp
414 13c729f7 2018-12-24 stsp const struct got_error *
415 13c729f7 2018-12-24 stsp got_privsep_send_tree_req(struct imsgbuf *ibuf, int fd,
416 13c729f7 2018-12-24 stsp struct got_object_id *id, int pack_idx)
417 13c729f7 2018-12-24 stsp {
418 41496140 2019-02-21 stsp const struct got_error *err = NULL;
419 7f358e3b 2019-11-23 stsp struct ibuf *wbuf;
420 d5c81d44 2021-07-08 stsp size_t len;
421 7f358e3b 2019-11-23 stsp
422 d5c81d44 2021-07-08 stsp if (pack_idx != -1)
423 d5c81d44 2021-07-08 stsp len = sizeof(struct got_imsg_packed_object);
424 d5c81d44 2021-07-08 stsp else
425 d5c81d44 2021-07-08 stsp len = sizeof(*id);
426 d5c81d44 2021-07-08 stsp
427 7f358e3b 2019-11-23 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_REQUEST, 0, 0, len);
428 7f358e3b 2019-11-23 stsp if (wbuf == NULL)
429 7f358e3b 2019-11-23 stsp return got_error_from_errno("imsg_create TREE_REQUEST");
430 13c729f7 2018-12-24 stsp
431 d5c81d44 2021-07-08 stsp if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1) {
432 519c7583 2022-01-27 thomas err = got_error_from_errno("imsg_add TREE_REQUEST");
433 d5c81d44 2021-07-08 stsp ibuf_free(wbuf);
434 d5c81d44 2021-07-08 stsp return err;
435 d5c81d44 2021-07-08 stsp }
436 13c729f7 2018-12-24 stsp
437 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tree is packed */
438 7f358e3b 2019-11-23 stsp if (imsg_add(wbuf, &pack_idx, sizeof(pack_idx)) == -1) {
439 519c7583 2022-01-27 thomas err = got_error_from_errno("imsg_add TREE_REQUEST");
440 7f358e3b 2019-11-23 stsp ibuf_free(wbuf);
441 7f358e3b 2019-11-23 stsp return err;
442 7f358e3b 2019-11-23 stsp }
443 41496140 2019-02-21 stsp }
444 268f7291 2018-12-24 stsp
445 7f358e3b 2019-11-23 stsp wbuf->fd = fd;
446 7f358e3b 2019-11-23 stsp imsg_close(ibuf, wbuf);
447 7f358e3b 2019-11-23 stsp
448 268f7291 2018-12-24 stsp return flush_imsg(ibuf);
449 268f7291 2018-12-24 stsp }
450 268f7291 2018-12-24 stsp
451 268f7291 2018-12-24 stsp const struct got_error *
452 268f7291 2018-12-24 stsp got_privsep_send_tag_req(struct imsgbuf *ibuf, int fd,
453 268f7291 2018-12-24 stsp struct got_object_id *id, int pack_idx)
454 268f7291 2018-12-24 stsp {
455 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
456 d5c81d44 2021-07-08 stsp void *data;
457 268f7291 2018-12-24 stsp size_t len;
458 268f7291 2018-12-24 stsp
459 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tag is packed */
460 268f7291 2018-12-24 stsp iobj.idx = pack_idx;
461 268f7291 2018-12-24 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
462 d5c81d44 2021-07-08 stsp data = &iobj;
463 268f7291 2018-12-24 stsp len = sizeof(iobj);
464 268f7291 2018-12-24 stsp } else {
465 d5c81d44 2021-07-08 stsp data = id;
466 d5c81d44 2021-07-08 stsp len = sizeof(*id);
467 268f7291 2018-12-24 stsp }
468 268f7291 2018-12-24 stsp
469 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_REQUEST, 0, 0, fd, data, len)
470 1785f84a 2018-12-23 stsp == -1)
471 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose TAG_REQUEST");
472 7762fe12 2018-11-05 stsp
473 7762fe12 2018-11-05 stsp return flush_imsg(ibuf);
474 7762fe12 2018-11-05 stsp }
475 7762fe12 2018-11-05 stsp
476 7762fe12 2018-11-05 stsp const struct got_error *
477 ebc55e2d 2018-12-24 stsp got_privsep_send_blob_req(struct imsgbuf *ibuf, int infd,
478 ebc55e2d 2018-12-24 stsp struct got_object_id *id, int pack_idx)
479 55da3778 2018-09-10 stsp {
480 41496140 2019-02-21 stsp const struct got_error *err = NULL;
481 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
482 d5c81d44 2021-07-08 stsp void *data;
483 ebc55e2d 2018-12-24 stsp size_t len;
484 ebc55e2d 2018-12-24 stsp
485 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* blob is packed */
486 ebc55e2d 2018-12-24 stsp iobj.idx = pack_idx;
487 ebc55e2d 2018-12-24 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
488 d5c81d44 2021-07-08 stsp data = &iobj;
489 ebc55e2d 2018-12-24 stsp len = sizeof(iobj);
490 ebc55e2d 2018-12-24 stsp } else {
491 d5c81d44 2021-07-08 stsp data = id;
492 d5c81d44 2021-07-08 stsp len = sizeof(*id);
493 ebc55e2d 2018-12-24 stsp }
494 ebc55e2d 2018-12-24 stsp
495 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_REQUEST, 0, 0, infd, data, len)
496 41496140 2019-02-21 stsp == -1) {
497 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_REQUEST");
498 41496140 2019-02-21 stsp close(infd);
499 41496140 2019-02-21 stsp return err;
500 41496140 2019-02-21 stsp }
501 ad242220 2018-09-08 stsp
502 55da3778 2018-09-10 stsp return flush_imsg(ibuf);
503 55da3778 2018-09-10 stsp }
504 ad242220 2018-09-08 stsp
505 55da3778 2018-09-10 stsp const struct got_error *
506 55da3778 2018-09-10 stsp got_privsep_send_blob_outfd(struct imsgbuf *ibuf, int outfd)
507 55da3778 2018-09-10 stsp {
508 41496140 2019-02-21 stsp const struct got_error *err = NULL;
509 41496140 2019-02-21 stsp
510 ad242220 2018-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_OUTFD, 0, 0, outfd, NULL, 0)
511 41496140 2019-02-21 stsp == -1) {
512 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_OUTFD");
513 41496140 2019-02-21 stsp close(outfd);
514 41496140 2019-02-21 stsp return err;
515 41496140 2019-02-21 stsp }
516 3840f4c9 2018-09-12 stsp
517 3840f4c9 2018-09-12 stsp return flush_imsg(ibuf);
518 3840f4c9 2018-09-12 stsp }
519 3840f4c9 2018-09-12 stsp
520 73ab1060 2020-03-18 stsp static const struct got_error *
521 73ab1060 2020-03-18 stsp send_fd(struct imsgbuf *ibuf, int imsg_code, int fd)
522 3840f4c9 2018-09-12 stsp {
523 41496140 2019-02-21 stsp const struct got_error *err = NULL;
524 41496140 2019-02-21 stsp
525 73ab1060 2020-03-18 stsp if (imsg_compose(ibuf, imsg_code, 0, 0, fd, NULL, 0) == -1) {
526 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TMPFD");
527 41496140 2019-02-21 stsp close(fd);
528 41496140 2019-02-21 stsp return err;
529 41496140 2019-02-21 stsp }
530 ad242220 2018-09-08 stsp
531 ad242220 2018-09-08 stsp return flush_imsg(ibuf);
532 ad242220 2018-09-08 stsp }
533 ad242220 2018-09-08 stsp
534 ad242220 2018-09-08 stsp const struct got_error *
535 73ab1060 2020-03-18 stsp got_privsep_send_tmpfd(struct imsgbuf *ibuf, int fd)
536 73ab1060 2020-03-18 stsp {
537 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_TMPFD, fd);
538 73ab1060 2020-03-18 stsp }
539 73ab1060 2020-03-18 stsp
540 73ab1060 2020-03-18 stsp const struct got_error *
541 876c234b 2018-09-10 stsp got_privsep_send_obj(struct imsgbuf *ibuf, struct got_object *obj)
542 2178c42e 2018-04-22 stsp {
543 2178c42e 2018-04-22 stsp struct got_imsg_object iobj;
544 2178c42e 2018-04-22 stsp
545 c59b3346 2018-09-11 stsp memcpy(iobj.id, obj->id.sha1, sizeof(iobj.id));
546 2178c42e 2018-04-22 stsp iobj.type = obj->type;
547 2178c42e 2018-04-22 stsp iobj.flags = obj->flags;
548 2178c42e 2018-04-22 stsp iobj.hdrlen = obj->hdrlen;
549 2178c42e 2018-04-22 stsp iobj.size = obj->size;
550 c59b3346 2018-09-11 stsp if (iobj.flags & GOT_OBJ_FLAG_PACKED) {
551 876c234b 2018-09-10 stsp iobj.pack_offset = obj->pack_offset;
552 c59b3346 2018-09-11 stsp iobj.pack_idx = obj->pack_idx;
553 c59b3346 2018-09-11 stsp }
554 2178c42e 2018-04-22 stsp
555 2178c42e 2018-04-22 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT, 0, 0, -1, &iobj, sizeof(iobj))
556 2178c42e 2018-04-22 stsp == -1)
557 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT");
558 2178c42e 2018-04-22 stsp
559 c59b3346 2018-09-11 stsp return flush_imsg(ibuf);
560 cfd633c2 2018-09-10 stsp }
561 cfd633c2 2018-09-10 stsp
562 cfd633c2 2018-09-10 stsp const struct got_error *
563 33501562 2020-03-18 stsp got_privsep_send_fetch_req(struct imsgbuf *ibuf, int fd,
564 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs, int fetch_all_branches,
565 abc59930 2021-09-05 naddy struct got_pathlist_head *wanted_branches,
566 abc59930 2021-09-05 naddy struct got_pathlist_head *wanted_refs, int list_refs_only, int verbosity)
567 93658fb9 2020-03-18 stsp {
568 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
569 33501562 2020-03-18 stsp struct ibuf *wbuf;
570 4ba14133 2020-03-20 stsp size_t len;
571 33501562 2020-03-18 stsp struct got_pathlist_entry *pe;
572 4ba14133 2020-03-20 stsp struct got_imsg_fetch_request fetchreq;
573 93658fb9 2020-03-18 stsp
574 4ba14133 2020-03-20 stsp memset(&fetchreq, 0, sizeof(fetchreq));
575 4ba14133 2020-03-20 stsp fetchreq.fetch_all_branches = fetch_all_branches;
576 41b0de12 2020-03-21 stsp fetchreq.list_refs_only = list_refs_only;
577 2690194b 2020-03-21 stsp fetchreq.verbosity = verbosity;
578 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, have_refs, entry)
579 4ba14133 2020-03-20 stsp fetchreq.n_have_refs++;
580 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry)
581 4ba14133 2020-03-20 stsp fetchreq.n_wanted_branches++;
582 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry)
583 0e4002ca 2020-03-21 stsp fetchreq.n_wanted_refs++;
584 659e7fbd 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_request);
585 33501562 2020-03-18 stsp if (len >= MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
586 33501562 2020-03-18 stsp close(fd);
587 33501562 2020-03-18 stsp return got_error(GOT_ERR_NO_SPACE);
588 33501562 2020-03-18 stsp }
589 33501562 2020-03-18 stsp
590 4ba14133 2020-03-20 stsp if (imsg_compose(ibuf, GOT_IMSG_FETCH_REQUEST, 0, 0, fd,
591 4ba14133 2020-03-20 stsp &fetchreq, sizeof(fetchreq)) == -1)
592 4ba14133 2020-03-20 stsp return got_error_from_errno(
593 4ba14133 2020-03-20 stsp "imsg_compose FETCH_SERVER_PROGRESS");
594 33501562 2020-03-18 stsp
595 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
596 4ba14133 2020-03-20 stsp if (err) {
597 659e7fbd 2020-03-20 stsp close(fd);
598 659e7fbd 2020-03-20 stsp return err;
599 659e7fbd 2020-03-20 stsp }
600 4ba14133 2020-03-20 stsp fd = -1;
601 33501562 2020-03-18 stsp
602 33501562 2020-03-18 stsp TAILQ_FOREACH(pe, have_refs, entry) {
603 33501562 2020-03-18 stsp const char *name = pe->path;
604 33501562 2020-03-18 stsp size_t name_len = pe->path_len;
605 33501562 2020-03-18 stsp struct got_object_id *id = pe->data;
606 33501562 2020-03-18 stsp
607 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_have_ref) + name_len;
608 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_HAVE_REF, 0, 0, len);
609 4ba14133 2020-03-20 stsp if (wbuf == NULL)
610 4ba14133 2020-03-20 stsp return got_error_from_errno("imsg_create FETCH_HAVE_REF");
611 4ba14133 2020-03-20 stsp
612 33501562 2020-03-18 stsp /* Keep in sync with struct got_imsg_fetch_have_ref! */
613 33501562 2020-03-18 stsp if (imsg_add(wbuf, id->sha1, sizeof(id->sha1)) == -1) {
614 4ba14133 2020-03-20 stsp err = got_error_from_errno("imsg_add FETCH_HAVE_REF");
615 33501562 2020-03-18 stsp ibuf_free(wbuf);
616 33501562 2020-03-18 stsp return err;
617 33501562 2020-03-18 stsp }
618 33501562 2020-03-18 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1) {
619 4ba14133 2020-03-20 stsp err = got_error_from_errno("imsg_add FETCH_HAVE_REF");
620 33501562 2020-03-18 stsp ibuf_free(wbuf);
621 33501562 2020-03-18 stsp return err;
622 33501562 2020-03-18 stsp }
623 33501562 2020-03-18 stsp if (imsg_add(wbuf, name, name_len) == -1) {
624 4ba14133 2020-03-20 stsp err = got_error_from_errno("imsg_add FETCH_HAVE_REF");
625 33501562 2020-03-18 stsp ibuf_free(wbuf);
626 33501562 2020-03-18 stsp return err;
627 33501562 2020-03-18 stsp }
628 4ba14133 2020-03-20 stsp
629 4ba14133 2020-03-20 stsp wbuf->fd = -1;
630 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
631 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
632 4ba14133 2020-03-20 stsp if (err)
633 4ba14133 2020-03-20 stsp return err;
634 33501562 2020-03-18 stsp }
635 33501562 2020-03-18 stsp
636 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry) {
637 4ba14133 2020-03-20 stsp const char *name = pe->path;
638 4ba14133 2020-03-20 stsp size_t name_len = pe->path_len;
639 4ba14133 2020-03-20 stsp
640 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_wanted_branch) + name_len;
641 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_BRANCH, 0, 0,
642 4ba14133 2020-03-20 stsp len);
643 4ba14133 2020-03-20 stsp if (wbuf == NULL)
644 4ba14133 2020-03-20 stsp return got_error_from_errno(
645 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_BRANCH");
646 4ba14133 2020-03-20 stsp
647 4ba14133 2020-03-20 stsp /* Keep in sync with struct got_imsg_fetch_wanted_branch! */
648 4ba14133 2020-03-20 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1) {
649 4ba14133 2020-03-20 stsp err = got_error_from_errno(
650 4ba14133 2020-03-20 stsp "imsg_add FETCH_WANTED_BRANCH");
651 4ba14133 2020-03-20 stsp ibuf_free(wbuf);
652 4ba14133 2020-03-20 stsp return err;
653 4ba14133 2020-03-20 stsp }
654 4ba14133 2020-03-20 stsp if (imsg_add(wbuf, name, name_len) == -1) {
655 4ba14133 2020-03-20 stsp err = got_error_from_errno(
656 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_BRANCH");
657 4ba14133 2020-03-20 stsp ibuf_free(wbuf);
658 4ba14133 2020-03-20 stsp return err;
659 4ba14133 2020-03-20 stsp }
660 4ba14133 2020-03-20 stsp
661 4ba14133 2020-03-20 stsp wbuf->fd = -1;
662 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
663 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
664 4ba14133 2020-03-20 stsp if (err)
665 4ba14133 2020-03-20 stsp return err;
666 4ba14133 2020-03-20 stsp }
667 4ba14133 2020-03-20 stsp
668 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry) {
669 0e4002ca 2020-03-21 stsp const char *name = pe->path;
670 0e4002ca 2020-03-21 stsp size_t name_len = pe->path_len;
671 0e4002ca 2020-03-21 stsp
672 0e4002ca 2020-03-21 stsp len = sizeof(struct got_imsg_fetch_wanted_ref) + name_len;
673 0e4002ca 2020-03-21 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_REF, 0, 0,
674 0e4002ca 2020-03-21 stsp len);
675 0e4002ca 2020-03-21 stsp if (wbuf == NULL)
676 0e4002ca 2020-03-21 stsp return got_error_from_errno(
677 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_REF");
678 0e4002ca 2020-03-21 stsp
679 0e4002ca 2020-03-21 stsp /* Keep in sync with struct got_imsg_fetch_wanted_ref! */
680 0e4002ca 2020-03-21 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1) {
681 0e4002ca 2020-03-21 stsp err = got_error_from_errno(
682 0e4002ca 2020-03-21 stsp "imsg_add FETCH_WANTED_REF");
683 0e4002ca 2020-03-21 stsp ibuf_free(wbuf);
684 0e4002ca 2020-03-21 stsp return err;
685 0e4002ca 2020-03-21 stsp }
686 0e4002ca 2020-03-21 stsp if (imsg_add(wbuf, name, name_len) == -1) {
687 0e4002ca 2020-03-21 stsp err = got_error_from_errno(
688 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_REF");
689 0e4002ca 2020-03-21 stsp ibuf_free(wbuf);
690 0e4002ca 2020-03-21 stsp return err;
691 0e4002ca 2020-03-21 stsp }
692 0e4002ca 2020-03-21 stsp
693 0e4002ca 2020-03-21 stsp wbuf->fd = -1;
694 0e4002ca 2020-03-21 stsp imsg_close(ibuf, wbuf);
695 0e4002ca 2020-03-21 stsp err = flush_imsg(ibuf);
696 0e4002ca 2020-03-21 stsp if (err)
697 0e4002ca 2020-03-21 stsp return err;
698 0e4002ca 2020-03-21 stsp }
699 0e4002ca 2020-03-21 stsp
700 0e4002ca 2020-03-21 stsp
701 4ba14133 2020-03-20 stsp return NULL;
702 4ba14133 2020-03-20 stsp
703 93658fb9 2020-03-18 stsp }
704 93658fb9 2020-03-18 stsp
705 93658fb9 2020-03-18 stsp const struct got_error *
706 f826addf 2020-03-18 stsp got_privsep_send_fetch_outfd(struct imsgbuf *ibuf, int fd)
707 f826addf 2020-03-18 stsp {
708 f826addf 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_FETCH_OUTFD, fd);
709 531c3985 2020-03-18 stsp }
710 531c3985 2020-03-18 stsp
711 531c3985 2020-03-18 stsp const struct got_error *
712 8f2d01a6 2020-03-18 stsp got_privsep_recv_fetch_progress(int *done, struct got_object_id **id,
713 531c3985 2020-03-18 stsp char **refname, struct got_pathlist_head *symrefs, char **server_progress,
714 1d72a2a0 2020-03-24 stsp off_t *packfile_size, uint8_t *pack_sha1, struct imsgbuf *ibuf)
715 b9f99abf 2020-03-18 stsp {
716 b9f99abf 2020-03-18 stsp const struct got_error *err = NULL;
717 b9f99abf 2020-03-18 stsp struct imsg imsg;
718 b9f99abf 2020-03-18 stsp size_t datalen;
719 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symrefs *isymrefs = NULL;
720 abe0f35f 2020-03-18 stsp size_t n, remain;
721 abe0f35f 2020-03-18 stsp off_t off;
722 531c3985 2020-03-18 stsp int i;
723 b9f99abf 2020-03-18 stsp
724 8f2d01a6 2020-03-18 stsp *done = 0;
725 8f2d01a6 2020-03-18 stsp *id = NULL;
726 b9f99abf 2020-03-18 stsp *refname = NULL;
727 531c3985 2020-03-18 stsp *server_progress = NULL;
728 5a489642 2020-03-19 stsp *packfile_size = 0;
729 1d72a2a0 2020-03-24 stsp memset(pack_sha1, 0, SHA1_DIGEST_LENGTH);
730 b9f99abf 2020-03-18 stsp
731 531c3985 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
732 b9f99abf 2020-03-18 stsp if (err)
733 b9f99abf 2020-03-18 stsp return err;
734 b9f99abf 2020-03-18 stsp
735 b9f99abf 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
736 b9f99abf 2020-03-18 stsp switch (imsg.hdr.type) {
737 b9f99abf 2020-03-18 stsp case GOT_IMSG_ERROR:
738 531c3985 2020-03-18 stsp if (datalen < sizeof(struct got_imsg_error)) {
739 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
740 531c3985 2020-03-18 stsp break;
741 531c3985 2020-03-18 stsp }
742 b9f99abf 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
743 b9f99abf 2020-03-18 stsp break;
744 abe0f35f 2020-03-18 stsp case GOT_IMSG_FETCH_SYMREFS:
745 abe0f35f 2020-03-18 stsp if (datalen < sizeof(*isymrefs)) {
746 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
747 abe0f35f 2020-03-18 stsp break;
748 abe0f35f 2020-03-18 stsp }
749 abe0f35f 2020-03-18 stsp if (isymrefs != NULL) {
750 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
751 abe0f35f 2020-03-18 stsp break;
752 abe0f35f 2020-03-18 stsp }
753 abe0f35f 2020-03-18 stsp isymrefs = (struct got_imsg_fetch_symrefs *)imsg.data;
754 abe0f35f 2020-03-18 stsp off = sizeof(*isymrefs);
755 abe0f35f 2020-03-18 stsp remain = datalen - off;
756 abe0f35f 2020-03-18 stsp for (n = 0; n < isymrefs->nsymrefs; n++) {
757 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symref *s;
758 abe0f35f 2020-03-18 stsp char *name, *target;
759 abe0f35f 2020-03-18 stsp if (remain < sizeof(struct got_imsg_fetch_symref)) {
760 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
761 abe0f35f 2020-03-18 stsp goto done;
762 abe0f35f 2020-03-18 stsp }
763 abe0f35f 2020-03-18 stsp s = (struct got_imsg_fetch_symref *)(imsg.data + off);
764 abe0f35f 2020-03-18 stsp off += sizeof(*s);
765 abe0f35f 2020-03-18 stsp remain -= sizeof(*s);
766 abe0f35f 2020-03-18 stsp if (remain < s->name_len) {
767 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
768 abe0f35f 2020-03-18 stsp goto done;
769 abe0f35f 2020-03-18 stsp }
770 abe0f35f 2020-03-18 stsp name = strndup(imsg.data + off, s->name_len);
771 abe0f35f 2020-03-18 stsp if (name == NULL) {
772 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
773 abe0f35f 2020-03-18 stsp goto done;
774 abe0f35f 2020-03-18 stsp }
775 abe0f35f 2020-03-18 stsp off += s->name_len;
776 abe0f35f 2020-03-18 stsp remain -= s->name_len;
777 abe0f35f 2020-03-18 stsp if (remain < s->target_len) {
778 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
779 abe0f35f 2020-03-18 stsp free(name);
780 abe0f35f 2020-03-18 stsp goto done;
781 abe0f35f 2020-03-18 stsp }
782 abe0f35f 2020-03-18 stsp target = strndup(imsg.data + off, s->target_len);
783 abe0f35f 2020-03-18 stsp if (target == NULL) {
784 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
785 abe0f35f 2020-03-18 stsp free(name);
786 abe0f35f 2020-03-18 stsp goto done;
787 abe0f35f 2020-03-18 stsp }
788 abe0f35f 2020-03-18 stsp off += s->target_len;
789 abe0f35f 2020-03-18 stsp remain -= s->target_len;
790 abe0f35f 2020-03-18 stsp err = got_pathlist_append(symrefs, name, target);
791 abe0f35f 2020-03-18 stsp if (err) {
792 abe0f35f 2020-03-18 stsp free(name);
793 abe0f35f 2020-03-18 stsp free(target);
794 abe0f35f 2020-03-18 stsp goto done;
795 abe0f35f 2020-03-18 stsp }
796 abe0f35f 2020-03-18 stsp }
797 abe0f35f 2020-03-18 stsp break;
798 ea7396b9 2020-03-18 stsp case GOT_IMSG_FETCH_REF:
799 531c3985 2020-03-18 stsp if (datalen <= SHA1_DIGEST_LENGTH) {
800 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
801 531c3985 2020-03-18 stsp break;
802 531c3985 2020-03-18 stsp }
803 8f2d01a6 2020-03-18 stsp *id = malloc(sizeof(**id));
804 8f2d01a6 2020-03-18 stsp if (*id == NULL) {
805 b9f99abf 2020-03-18 stsp err = got_error_from_errno("malloc");
806 b9f99abf 2020-03-18 stsp break;
807 b9f99abf 2020-03-18 stsp }
808 8f2d01a6 2020-03-18 stsp memcpy((*id)->sha1, imsg.data, SHA1_DIGEST_LENGTH);
809 b9f99abf 2020-03-18 stsp *refname = strndup(imsg.data + SHA1_DIGEST_LENGTH,
810 b9f99abf 2020-03-18 stsp datalen - SHA1_DIGEST_LENGTH);
811 b9f99abf 2020-03-18 stsp if (*refname == NULL) {
812 b9f99abf 2020-03-18 stsp err = got_error_from_errno("strndup");
813 8f2d01a6 2020-03-18 stsp break;
814 8f2d01a6 2020-03-18 stsp }
815 8f2d01a6 2020-03-18 stsp break;
816 531c3985 2020-03-18 stsp case GOT_IMSG_FETCH_SERVER_PROGRESS:
817 531c3985 2020-03-18 stsp if (datalen == 0) {
818 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
819 531c3985 2020-03-18 stsp break;
820 531c3985 2020-03-18 stsp }
821 531c3985 2020-03-18 stsp *server_progress = strndup(imsg.data, datalen);
822 531c3985 2020-03-18 stsp if (*server_progress == NULL) {
823 531c3985 2020-03-18 stsp err = got_error_from_errno("strndup");
824 531c3985 2020-03-18 stsp break;
825 531c3985 2020-03-18 stsp }
826 531c3985 2020-03-18 stsp for (i = 0; i < datalen; i++) {
827 531c3985 2020-03-18 stsp if (!isprint((unsigned char)(*server_progress)[i]) &&
828 531c3985 2020-03-18 stsp !isspace((unsigned char)(*server_progress)[i])) {
829 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
830 531c3985 2020-03-18 stsp free(*server_progress);
831 531c3985 2020-03-18 stsp *server_progress = NULL;
832 531c3985 2020-03-18 stsp goto done;
833 531c3985 2020-03-18 stsp }
834 531c3985 2020-03-18 stsp }
835 531c3985 2020-03-18 stsp break;
836 d2cdc636 2020-03-18 stsp case GOT_IMSG_FETCH_DOWNLOAD_PROGRESS:
837 d2cdc636 2020-03-18 stsp if (datalen < sizeof(*packfile_size)) {
838 d2cdc636 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
839 d2cdc636 2020-03-18 stsp break;
840 d2cdc636 2020-03-18 stsp }
841 d2cdc636 2020-03-18 stsp memcpy(packfile_size, imsg.data, sizeof(*packfile_size));
842 d2cdc636 2020-03-18 stsp break;
843 8f2d01a6 2020-03-18 stsp case GOT_IMSG_FETCH_DONE:
844 8f2d01a6 2020-03-18 stsp if (datalen != SHA1_DIGEST_LENGTH) {
845 8f2d01a6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
846 8f2d01a6 2020-03-18 stsp break;
847 8f2d01a6 2020-03-18 stsp }
848 1d72a2a0 2020-03-24 stsp memcpy(pack_sha1, imsg.data, SHA1_DIGEST_LENGTH);
849 8f2d01a6 2020-03-18 stsp *done = 1;
850 b9f99abf 2020-03-18 stsp break;
851 b9f99abf 2020-03-18 stsp default:
852 b887aab6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
853 b887aab6 2020-03-18 stsp break;
854 b9f99abf 2020-03-18 stsp }
855 abe0f35f 2020-03-18 stsp done:
856 b887aab6 2020-03-18 stsp if (err) {
857 8f2d01a6 2020-03-18 stsp free(*id);
858 8f2d01a6 2020-03-18 stsp *id = NULL;
859 b887aab6 2020-03-18 stsp free(*refname);
860 b887aab6 2020-03-18 stsp *refname = NULL;
861 f8a36e22 2021-08-26 stsp }
862 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
863 f8a36e22 2021-08-26 stsp return err;
864 f8a36e22 2021-08-26 stsp }
865 f8a36e22 2021-08-26 stsp
866 f8a36e22 2021-08-26 stsp static const struct got_error *
867 f8a36e22 2021-08-26 stsp send_send_ref(const char *name, size_t name_len, struct got_object_id *id,
868 f8a36e22 2021-08-26 stsp int delete, struct imsgbuf *ibuf)
869 f8a36e22 2021-08-26 stsp {
870 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
871 f8a36e22 2021-08-26 stsp size_t len;
872 f8a36e22 2021-08-26 stsp struct ibuf *wbuf;
873 f8a36e22 2021-08-26 stsp
874 f8a36e22 2021-08-26 stsp len = sizeof(struct got_imsg_send_ref) + name_len;
875 f8a36e22 2021-08-26 stsp wbuf = imsg_create(ibuf, GOT_IMSG_SEND_REF, 0, 0, len);
876 f8a36e22 2021-08-26 stsp if (wbuf == NULL)
877 f8a36e22 2021-08-26 stsp return got_error_from_errno("imsg_create SEND_REF");
878 f8a36e22 2021-08-26 stsp
879 f8a36e22 2021-08-26 stsp /* Keep in sync with struct got_imsg_send_ref! */
880 f8a36e22 2021-08-26 stsp if (imsg_add(wbuf, id->sha1, sizeof(id->sha1)) == -1) {
881 f8a36e22 2021-08-26 stsp err = got_error_from_errno("imsg_add SEND_REF");
882 f8a36e22 2021-08-26 stsp ibuf_free(wbuf);
883 f8a36e22 2021-08-26 stsp return err;
884 f8a36e22 2021-08-26 stsp }
885 f8a36e22 2021-08-26 stsp if (imsg_add(wbuf, &delete, sizeof(delete)) == -1) {
886 f8a36e22 2021-08-26 stsp err = got_error_from_errno("imsg_add SEND_REF");
887 f8a36e22 2021-08-26 stsp ibuf_free(wbuf);
888 f8a36e22 2021-08-26 stsp return err;
889 f8a36e22 2021-08-26 stsp }
890 f8a36e22 2021-08-26 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1) {
891 f8a36e22 2021-08-26 stsp err = got_error_from_errno("imsg_add SEND_REF");
892 f8a36e22 2021-08-26 stsp ibuf_free(wbuf);
893 f8a36e22 2021-08-26 stsp return err;
894 f8a36e22 2021-08-26 stsp }
895 f8a36e22 2021-08-26 stsp if (imsg_add(wbuf, name, name_len) == -1) {
896 f8a36e22 2021-08-26 stsp err = got_error_from_errno("imsg_add SEND_REF");
897 f8a36e22 2021-08-26 stsp ibuf_free(wbuf);
898 f8a36e22 2021-08-26 stsp return err;
899 f8a36e22 2021-08-26 stsp }
900 f8a36e22 2021-08-26 stsp
901 f8a36e22 2021-08-26 stsp wbuf->fd = -1;
902 f8a36e22 2021-08-26 stsp imsg_close(ibuf, wbuf);
903 f8a36e22 2021-08-26 stsp return flush_imsg(ibuf);
904 f8a36e22 2021-08-26 stsp }
905 f8a36e22 2021-08-26 stsp
906 f8a36e22 2021-08-26 stsp const struct got_error *
907 f8a36e22 2021-08-26 stsp got_privsep_send_send_req(struct imsgbuf *ibuf, int fd,
908 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs,
909 abc59930 2021-09-05 naddy struct got_pathlist_head *delete_refs,
910 abc59930 2021-09-05 naddy int verbosity)
911 f8a36e22 2021-08-26 stsp {
912 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
913 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *pe;
914 f8a36e22 2021-08-26 stsp struct got_imsg_send_request sendreq;
915 f8a36e22 2021-08-26 stsp struct got_object_id zero_id;
916 f8a36e22 2021-08-26 stsp
917 f8a36e22 2021-08-26 stsp memset(&zero_id, 0, sizeof(zero_id));
918 f8a36e22 2021-08-26 stsp memset(&sendreq, 0, sizeof(sendreq));
919 f8a36e22 2021-08-26 stsp sendreq.verbosity = verbosity;
920 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry)
921 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
922 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry)
923 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
924 f8a36e22 2021-08-26 stsp if (imsg_compose(ibuf, GOT_IMSG_SEND_REQUEST, 0, 0, fd,
925 f8a36e22 2021-08-26 stsp &sendreq, sizeof(sendreq)) == -1) {
926 f8a36e22 2021-08-26 stsp err = got_error_from_errno(
927 f8a36e22 2021-08-26 stsp "imsg_compose FETCH_SERVER_PROGRESS");
928 f8a36e22 2021-08-26 stsp goto done;
929 f8a36e22 2021-08-26 stsp }
930 f8a36e22 2021-08-26 stsp
931 f8a36e22 2021-08-26 stsp err = flush_imsg(ibuf);
932 f8a36e22 2021-08-26 stsp if (err)
933 f8a36e22 2021-08-26 stsp goto done;
934 f8a36e22 2021-08-26 stsp fd = -1;
935 f8a36e22 2021-08-26 stsp
936 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry) {
937 f8a36e22 2021-08-26 stsp const char *name = pe->path;
938 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
939 f8a36e22 2021-08-26 stsp struct got_object_id *id = pe->data;
940 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, id, 0, ibuf);
941 f8a36e22 2021-08-26 stsp if (err)
942 f8a36e22 2021-08-26 stsp goto done;
943 f8a36e22 2021-08-26 stsp }
944 f8a36e22 2021-08-26 stsp
945 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry) {
946 f8a36e22 2021-08-26 stsp const char *name = pe->path;
947 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
948 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, &zero_id, 1, ibuf);
949 f8a36e22 2021-08-26 stsp if (err)
950 f8a36e22 2021-08-26 stsp goto done;
951 f8a36e22 2021-08-26 stsp }
952 f8a36e22 2021-08-26 stsp done:
953 f8a36e22 2021-08-26 stsp if (fd != -1 && close(fd) == -1 && err == NULL)
954 f8a36e22 2021-08-26 stsp err = got_error_from_errno("close");
955 f8a36e22 2021-08-26 stsp return err;
956 f8a36e22 2021-08-26 stsp
957 f8a36e22 2021-08-26 stsp }
958 f8a36e22 2021-08-26 stsp
959 f8a36e22 2021-08-26 stsp const struct got_error *
960 f8a36e22 2021-08-26 stsp got_privsep_recv_send_remote_refs(struct got_pathlist_head *remote_refs,
961 f8a36e22 2021-08-26 stsp struct imsgbuf *ibuf)
962 f8a36e22 2021-08-26 stsp {
963 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
964 f8a36e22 2021-08-26 stsp struct imsg imsg;
965 f8a36e22 2021-08-26 stsp size_t datalen;
966 f8a36e22 2021-08-26 stsp int done = 0;
967 f8a36e22 2021-08-26 stsp struct got_imsg_send_remote_ref iremote_ref;
968 f8a36e22 2021-08-26 stsp struct got_object_id *id = NULL;
969 f8a36e22 2021-08-26 stsp char *refname = NULL;
970 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *new;
971 f8a36e22 2021-08-26 stsp
972 f8a36e22 2021-08-26 stsp while (!done) {
973 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
974 f8a36e22 2021-08-26 stsp if (err)
975 f8a36e22 2021-08-26 stsp return err;
976 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
977 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
978 f8a36e22 2021-08-26 stsp case GOT_IMSG_ERROR:
979 f8a36e22 2021-08-26 stsp if (datalen < sizeof(struct got_imsg_error)) {
980 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
981 f8a36e22 2021-08-26 stsp goto done;
982 f8a36e22 2021-08-26 stsp }
983 f8a36e22 2021-08-26 stsp err = recv_imsg_error(&imsg, datalen);
984 f8a36e22 2021-08-26 stsp goto done;
985 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REMOTE_REF:
986 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iremote_ref)) {
987 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
988 f8a36e22 2021-08-26 stsp goto done;
989 f8a36e22 2021-08-26 stsp }
990 f8a36e22 2021-08-26 stsp memcpy(&iremote_ref, imsg.data, sizeof(iremote_ref));
991 f8a36e22 2021-08-26 stsp if (datalen != sizeof(iremote_ref) +
992 f8a36e22 2021-08-26 stsp iremote_ref.name_len) {
993 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
994 f8a36e22 2021-08-26 stsp goto done;
995 f8a36e22 2021-08-26 stsp }
996 f8a36e22 2021-08-26 stsp id = malloc(sizeof(*id));
997 f8a36e22 2021-08-26 stsp if (id == NULL) {
998 f8a36e22 2021-08-26 stsp err = got_error_from_errno("malloc");
999 f8a36e22 2021-08-26 stsp goto done;
1000 f8a36e22 2021-08-26 stsp }
1001 f8a36e22 2021-08-26 stsp memcpy(id->sha1, iremote_ref.id, SHA1_DIGEST_LENGTH);
1002 f8a36e22 2021-08-26 stsp refname = strndup(imsg.data + sizeof(iremote_ref),
1003 f8a36e22 2021-08-26 stsp datalen - sizeof(iremote_ref));
1004 f8a36e22 2021-08-26 stsp if (refname == NULL) {
1005 f8a36e22 2021-08-26 stsp err = got_error_from_errno("strndup");
1006 f8a36e22 2021-08-26 stsp goto done;
1007 f8a36e22 2021-08-26 stsp }
1008 f8a36e22 2021-08-26 stsp err = got_pathlist_insert(&new, remote_refs,
1009 f8a36e22 2021-08-26 stsp refname, id);
1010 f8a36e22 2021-08-26 stsp if (err)
1011 f8a36e22 2021-08-26 stsp goto done;
1012 f8a36e22 2021-08-26 stsp if (new == NULL) { /* duplicate which wasn't inserted */
1013 f8a36e22 2021-08-26 stsp free(id);
1014 f8a36e22 2021-08-26 stsp free(refname);
1015 f8a36e22 2021-08-26 stsp }
1016 f8a36e22 2021-08-26 stsp id = NULL;
1017 f8a36e22 2021-08-26 stsp refname = NULL;
1018 f8a36e22 2021-08-26 stsp break;
1019 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_PACK_REQUEST:
1020 f8a36e22 2021-08-26 stsp if (datalen != 0) {
1021 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1022 f8a36e22 2021-08-26 stsp goto done;
1023 f8a36e22 2021-08-26 stsp }
1024 f8a36e22 2021-08-26 stsp /* got-send-pack is now waiting for a pack file. */
1025 f8a36e22 2021-08-26 stsp done = 1;
1026 f8a36e22 2021-08-26 stsp break;
1027 f8a36e22 2021-08-26 stsp default:
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 b887aab6 2020-03-18 stsp }
1032 f8a36e22 2021-08-26 stsp done:
1033 f8a36e22 2021-08-26 stsp free(id);
1034 f8a36e22 2021-08-26 stsp free(refname);
1035 b9f99abf 2020-03-18 stsp imsg_free(&imsg);
1036 b9f99abf 2020-03-18 stsp return err;
1037 93658fb9 2020-03-18 stsp }
1038 93658fb9 2020-03-18 stsp
1039 93658fb9 2020-03-18 stsp const struct got_error *
1040 f8a36e22 2021-08-26 stsp got_privsep_send_packfd(struct imsgbuf *ibuf, int fd)
1041 f8a36e22 2021-08-26 stsp {
1042 f8a36e22 2021-08-26 stsp return send_fd(ibuf, GOT_IMSG_SEND_PACKFD, fd);
1043 f8a36e22 2021-08-26 stsp }
1044 f8a36e22 2021-08-26 stsp
1045 f8a36e22 2021-08-26 stsp const struct got_error *
1046 f8a36e22 2021-08-26 stsp got_privsep_recv_send_progress(int *done, off_t *bytes_sent,
1047 f8a36e22 2021-08-26 stsp int *success, char **refname, struct imsgbuf *ibuf)
1048 f8a36e22 2021-08-26 stsp {
1049 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
1050 f8a36e22 2021-08-26 stsp struct imsg imsg;
1051 f8a36e22 2021-08-26 stsp size_t datalen;
1052 f8a36e22 2021-08-26 stsp struct got_imsg_send_ref_status iref_status;
1053 f8a36e22 2021-08-26 stsp
1054 f8a36e22 2021-08-26 stsp /* Do not reset the current value of 'bytes_sent', it accumulates. */
1055 f8a36e22 2021-08-26 stsp *done = 0;
1056 f8a36e22 2021-08-26 stsp *success = 0;
1057 f8a36e22 2021-08-26 stsp *refname = NULL;
1058 f8a36e22 2021-08-26 stsp
1059 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1060 f8a36e22 2021-08-26 stsp if (err)
1061 f8a36e22 2021-08-26 stsp return err;
1062 f8a36e22 2021-08-26 stsp
1063 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1064 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
1065 f8a36e22 2021-08-26 stsp case GOT_IMSG_ERROR:
1066 f8a36e22 2021-08-26 stsp if (datalen < sizeof(struct got_imsg_error)) {
1067 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1068 f8a36e22 2021-08-26 stsp break;
1069 f8a36e22 2021-08-26 stsp }
1070 f8a36e22 2021-08-26 stsp err = recv_imsg_error(&imsg, datalen);
1071 f8a36e22 2021-08-26 stsp break;
1072 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_UPLOAD_PROGRESS:
1073 f8a36e22 2021-08-26 stsp if (datalen < sizeof(*bytes_sent)) {
1074 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1075 f8a36e22 2021-08-26 stsp break;
1076 f8a36e22 2021-08-26 stsp }
1077 f8a36e22 2021-08-26 stsp memcpy(bytes_sent, imsg.data, sizeof(*bytes_sent));
1078 f8a36e22 2021-08-26 stsp break;
1079 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REF_STATUS:
1080 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iref_status)) {
1081 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1082 f8a36e22 2021-08-26 stsp break;
1083 f8a36e22 2021-08-26 stsp }
1084 f8a36e22 2021-08-26 stsp memcpy(&iref_status, imsg.data, sizeof(iref_status));
1085 f8a36e22 2021-08-26 stsp if (datalen != sizeof(iref_status) + iref_status.name_len) {
1086 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1087 f8a36e22 2021-08-26 stsp break;
1088 f8a36e22 2021-08-26 stsp }
1089 f8a36e22 2021-08-26 stsp *success = iref_status.success;
1090 f8a36e22 2021-08-26 stsp *refname = strndup(imsg.data + sizeof(iref_status),
1091 f8a36e22 2021-08-26 stsp iref_status.name_len);
1092 f8a36e22 2021-08-26 stsp break;
1093 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_DONE:
1094 f8a36e22 2021-08-26 stsp if (datalen != 0) {
1095 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1096 f8a36e22 2021-08-26 stsp break;
1097 f8a36e22 2021-08-26 stsp }
1098 f8a36e22 2021-08-26 stsp *done = 1;
1099 f8a36e22 2021-08-26 stsp break;
1100 f8a36e22 2021-08-26 stsp default:
1101 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1102 f8a36e22 2021-08-26 stsp break;
1103 f8a36e22 2021-08-26 stsp }
1104 f8a36e22 2021-08-26 stsp
1105 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
1106 f8a36e22 2021-08-26 stsp return err;
1107 f8a36e22 2021-08-26 stsp }
1108 f8a36e22 2021-08-26 stsp
1109 f8a36e22 2021-08-26 stsp const struct got_error *
1110 fd251256 2020-03-24 stsp got_privsep_send_index_pack_req(struct imsgbuf *ibuf, uint8_t *pack_sha1,
1111 668a20f6 2020-03-18 stsp int fd)
1112 93658fb9 2020-03-18 stsp {
1113 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1114 93658fb9 2020-03-18 stsp
1115 668a20f6 2020-03-18 stsp /* Keep in sync with struct got_imsg_index_pack_request */
1116 93658fb9 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_IDXPACK_REQUEST, 0, 0, fd,
1117 fd251256 2020-03-24 stsp pack_sha1, SHA1_DIGEST_LENGTH) == -1) {
1118 93658fb9 2020-03-18 stsp err = got_error_from_errno("imsg_compose INDEX_REQUEST");
1119 93658fb9 2020-03-18 stsp close(fd);
1120 93658fb9 2020-03-18 stsp return err;
1121 93658fb9 2020-03-18 stsp }
1122 baa9fea0 2020-03-18 stsp return flush_imsg(ibuf);
1123 baa9fea0 2020-03-18 stsp }
1124 baa9fea0 2020-03-18 stsp
1125 baa9fea0 2020-03-18 stsp const struct got_error *
1126 73ab1060 2020-03-18 stsp got_privsep_send_index_pack_outfd(struct imsgbuf *ibuf, int fd)
1127 73ab1060 2020-03-18 stsp {
1128 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_IDXPACK_OUTFD, fd);
1129 73ab1060 2020-03-18 stsp }
1130 73ab1060 2020-03-18 stsp
1131 73ab1060 2020-03-18 stsp const struct got_error *
1132 668a20f6 2020-03-18 stsp got_privsep_recv_index_progress(int *done, int *nobj_total,
1133 668a20f6 2020-03-18 stsp int *nobj_indexed, int *nobj_loose, int *nobj_resolved,
1134 668a20f6 2020-03-18 stsp struct imsgbuf *ibuf)
1135 93658fb9 2020-03-18 stsp {
1136 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1137 93658fb9 2020-03-18 stsp struct imsg imsg;
1138 baa9fea0 2020-03-18 stsp struct got_imsg_index_pack_progress *iprogress;
1139 baa9fea0 2020-03-18 stsp size_t datalen;
1140 93658fb9 2020-03-18 stsp
1141 baa9fea0 2020-03-18 stsp *done = 0;
1142 668a20f6 2020-03-18 stsp *nobj_total = 0;
1143 668a20f6 2020-03-18 stsp *nobj_indexed = 0;
1144 668a20f6 2020-03-18 stsp *nobj_resolved = 0;
1145 baa9fea0 2020-03-18 stsp
1146 93658fb9 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1147 93658fb9 2020-03-18 stsp if (err)
1148 93658fb9 2020-03-18 stsp return err;
1149 baa9fea0 2020-03-18 stsp
1150 baa9fea0 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1151 baa9fea0 2020-03-18 stsp switch (imsg.hdr.type) {
1152 baa9fea0 2020-03-18 stsp case GOT_IMSG_ERROR:
1153 baa9fea0 2020-03-18 stsp if (datalen < sizeof(struct got_imsg_error)) {
1154 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1155 baa9fea0 2020-03-18 stsp break;
1156 baa9fea0 2020-03-18 stsp }
1157 baa9fea0 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
1158 baa9fea0 2020-03-18 stsp break;
1159 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_PROGRESS:
1160 baa9fea0 2020-03-18 stsp if (datalen < sizeof(*iprogress)) {
1161 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1162 baa9fea0 2020-03-18 stsp break;
1163 baa9fea0 2020-03-18 stsp }
1164 baa9fea0 2020-03-18 stsp iprogress = (struct got_imsg_index_pack_progress *)imsg.data;
1165 668a20f6 2020-03-18 stsp *nobj_total = iprogress->nobj_total;
1166 668a20f6 2020-03-18 stsp *nobj_indexed = iprogress->nobj_indexed;
1167 668a20f6 2020-03-18 stsp *nobj_loose = iprogress->nobj_loose;
1168 668a20f6 2020-03-18 stsp *nobj_resolved = iprogress->nobj_resolved;
1169 baa9fea0 2020-03-18 stsp break;
1170 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_DONE:
1171 baa9fea0 2020-03-18 stsp if (datalen != 0) {
1172 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1173 baa9fea0 2020-03-18 stsp break;
1174 baa9fea0 2020-03-18 stsp }
1175 baa9fea0 2020-03-18 stsp *done = 1;
1176 baa9fea0 2020-03-18 stsp break;
1177 baa9fea0 2020-03-18 stsp default:
1178 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1179 baa9fea0 2020-03-18 stsp break;
1180 baa9fea0 2020-03-18 stsp }
1181 baa9fea0 2020-03-18 stsp
1182 93658fb9 2020-03-18 stsp imsg_free(&imsg);
1183 baa9fea0 2020-03-18 stsp return err;
1184 93658fb9 2020-03-18 stsp }
1185 93658fb9 2020-03-18 stsp
1186 93658fb9 2020-03-18 stsp const struct got_error *
1187 cfd633c2 2018-09-10 stsp got_privsep_get_imsg_obj(struct got_object **obj, struct imsg *imsg,
1188 cfd633c2 2018-09-10 stsp struct imsgbuf *ibuf)
1189 cfd633c2 2018-09-10 stsp {
1190 291624d8 2018-11-07 stsp struct got_imsg_object *iobj;
1191 cfd633c2 2018-09-10 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1192 cfd633c2 2018-09-10 stsp
1193 291624d8 2018-11-07 stsp if (datalen != sizeof(*iobj))
1194 cfd633c2 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1195 291624d8 2018-11-07 stsp iobj = imsg->data;
1196 cfd633c2 2018-09-10 stsp
1197 cfd633c2 2018-09-10 stsp *obj = calloc(1, sizeof(**obj));
1198 cfd633c2 2018-09-10 stsp if (*obj == NULL)
1199 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
1200 cfd633c2 2018-09-10 stsp
1201 291624d8 2018-11-07 stsp memcpy((*obj)->id.sha1, iobj->id, SHA1_DIGEST_LENGTH);
1202 291624d8 2018-11-07 stsp (*obj)->type = iobj->type;
1203 291624d8 2018-11-07 stsp (*obj)->flags = iobj->flags;
1204 291624d8 2018-11-07 stsp (*obj)->hdrlen = iobj->hdrlen;
1205 291624d8 2018-11-07 stsp (*obj)->size = iobj->size;
1206 c59b3346 2018-09-11 stsp /* path_packfile is handled by caller */
1207 291624d8 2018-11-07 stsp if (iobj->flags & GOT_OBJ_FLAG_PACKED) {
1208 291624d8 2018-11-07 stsp (*obj)->pack_offset = iobj->pack_offset;
1209 291624d8 2018-11-07 stsp (*obj)->pack_idx = iobj->pack_idx;
1210 876c234b 2018-09-10 stsp }
1211 772802ae 2022-01-27 thomas STAILQ_INIT(&(*obj)->deltas.entries);
1212 772802ae 2022-01-27 thomas return NULL;
1213 876c234b 2018-09-10 stsp }
1214 876c234b 2018-09-10 stsp
1215 2178c42e 2018-04-22 stsp const struct got_error *
1216 2178c42e 2018-04-22 stsp got_privsep_recv_obj(struct got_object **obj, struct imsgbuf *ibuf)
1217 2178c42e 2018-04-22 stsp {
1218 2178c42e 2018-04-22 stsp const struct got_error *err = NULL;
1219 2178c42e 2018-04-22 stsp struct imsg imsg;
1220 c4eae628 2018-04-23 stsp const size_t min_datalen =
1221 c4eae628 2018-04-23 stsp MIN(sizeof(struct got_imsg_error), sizeof(struct got_imsg_object));
1222 2178c42e 2018-04-22 stsp
1223 2178c42e 2018-04-22 stsp *obj = NULL;
1224 2178c42e 2018-04-22 stsp
1225 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1226 2178c42e 2018-04-22 stsp if (err)
1227 2178c42e 2018-04-22 stsp return err;
1228 2178c42e 2018-04-22 stsp
1229 2178c42e 2018-04-22 stsp switch (imsg.hdr.type) {
1230 2178c42e 2018-04-22 stsp case GOT_IMSG_OBJECT:
1231 cfd633c2 2018-09-10 stsp err = got_privsep_get_imsg_obj(obj, &imsg, ibuf);
1232 bff6ca00 2018-04-23 stsp break;
1233 bff6ca00 2018-04-23 stsp default:
1234 bff6ca00 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1235 bff6ca00 2018-04-23 stsp break;
1236 bff6ca00 2018-04-23 stsp }
1237 bff6ca00 2018-04-23 stsp
1238 bff6ca00 2018-04-23 stsp imsg_free(&imsg);
1239 bff6ca00 2018-04-23 stsp
1240 bff6ca00 2018-04-23 stsp return err;
1241 c75f7264 2018-09-11 stsp }
1242 c75f7264 2018-09-11 stsp
1243 c75f7264 2018-09-11 stsp static const struct got_error *
1244 c75f7264 2018-09-11 stsp send_commit_logmsg(struct imsgbuf *ibuf, struct got_commit_object *commit,
1245 c75f7264 2018-09-11 stsp size_t logmsg_len)
1246 c75f7264 2018-09-11 stsp {
1247 fa4ffeb3 2018-11-04 stsp const struct got_error *err = NULL;
1248 c75f7264 2018-09-11 stsp size_t offset, remain;
1249 c75f7264 2018-09-11 stsp
1250 c75f7264 2018-09-11 stsp offset = 0;
1251 c75f7264 2018-09-11 stsp remain = logmsg_len;
1252 c75f7264 2018-09-11 stsp while (remain > 0) {
1253 c75f7264 2018-09-11 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1254 c75f7264 2018-09-11 stsp
1255 c75f7264 2018-09-11 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_LOGMSG, 0, 0, -1,
1256 fa4ffeb3 2018-11-04 stsp commit->logmsg + offset, n) == -1) {
1257 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose "
1258 230a42bd 2019-05-11 jcs "COMMIT_LOGMSG");
1259 fa4ffeb3 2018-11-04 stsp break;
1260 fa4ffeb3 2018-11-04 stsp }
1261 c75f7264 2018-09-11 stsp
1262 fa4ffeb3 2018-11-04 stsp err = flush_imsg(ibuf);
1263 fa4ffeb3 2018-11-04 stsp if (err)
1264 fa4ffeb3 2018-11-04 stsp break;
1265 c75f7264 2018-09-11 stsp
1266 c75f7264 2018-09-11 stsp offset += n;
1267 c75f7264 2018-09-11 stsp remain -= n;
1268 c75f7264 2018-09-11 stsp }
1269 c75f7264 2018-09-11 stsp
1270 fa4ffeb3 2018-11-04 stsp return err;
1271 bff6ca00 2018-04-23 stsp }
1272 bff6ca00 2018-04-23 stsp
1273 bff6ca00 2018-04-23 stsp const struct got_error *
1274 068fd2bf 2018-04-24 stsp got_privsep_send_commit(struct imsgbuf *ibuf, struct got_commit_object *commit)
1275 bff6ca00 2018-04-23 stsp {
1276 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1277 b9c33926 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1278 bff6ca00 2018-04-23 stsp uint8_t *buf;
1279 bff6ca00 2018-04-23 stsp size_t len, total;
1280 79f35eb3 2018-06-11 stsp struct got_object_qid *qid;
1281 b9c33926 2018-11-07 stsp size_t author_len = strlen(commit->author);
1282 b9c33926 2018-11-07 stsp size_t committer_len = strlen(commit->committer);
1283 c75f7264 2018-09-11 stsp size_t logmsg_len = strlen(commit->logmsg);
1284 bff6ca00 2018-04-23 stsp
1285 b9c33926 2018-11-07 stsp total = sizeof(*icommit) + author_len + committer_len +
1286 b9c33926 2018-11-07 stsp commit->nparents * SHA1_DIGEST_LENGTH;
1287 bff6ca00 2018-04-23 stsp
1288 bff6ca00 2018-04-23 stsp buf = malloc(total);
1289 bff6ca00 2018-04-23 stsp if (buf == NULL)
1290 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1291 bff6ca00 2018-04-23 stsp
1292 b9c33926 2018-11-07 stsp icommit = (struct got_imsg_commit_object *)buf;
1293 a7403916 2018-12-24 stsp memcpy(icommit->tree_id, commit->tree_id->sha1,
1294 a7403916 2018-12-24 stsp sizeof(icommit->tree_id));
1295 b9c33926 2018-11-07 stsp icommit->author_len = author_len;
1296 b9c33926 2018-11-07 stsp icommit->author_time = commit->author_time;
1297 b9c33926 2018-11-07 stsp icommit->author_gmtoff = commit->author_gmtoff;
1298 b9c33926 2018-11-07 stsp icommit->committer_len = committer_len;
1299 b9c33926 2018-11-07 stsp icommit->committer_time = commit->committer_time;
1300 b9c33926 2018-11-07 stsp icommit->committer_gmtoff = commit->committer_gmtoff;
1301 b9c33926 2018-11-07 stsp icommit->logmsg_len = logmsg_len;
1302 b9c33926 2018-11-07 stsp icommit->nparents = commit->nparents;
1303 b9c33926 2018-11-07 stsp
1304 b9c33926 2018-11-07 stsp len = sizeof(*icommit);
1305 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->author, author_len);
1306 b9c33926 2018-11-07 stsp len += author_len;
1307 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->committer, committer_len);
1308 b9c33926 2018-11-07 stsp len += committer_len;
1309 dbdddfee 2021-06-23 naddy STAILQ_FOREACH(qid, &commit->parent_ids, entry) {
1310 ec242592 2022-04-22 thomas memcpy(buf + len, &qid->id, SHA1_DIGEST_LENGTH);
1311 86acc566 2018-04-23 stsp len += SHA1_DIGEST_LENGTH;
1312 bff6ca00 2018-04-23 stsp }
1313 bff6ca00 2018-04-23 stsp
1314 bff6ca00 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT, 0, 0, -1, buf, len) == -1) {
1315 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT");
1316 bff6ca00 2018-04-23 stsp goto done;
1317 bff6ca00 2018-04-23 stsp }
1318 bff6ca00 2018-04-23 stsp
1319 904df868 2018-11-04 stsp if (logmsg_len == 0 ||
1320 904df868 2018-11-04 stsp logmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1321 904df868 2018-11-04 stsp err = flush_imsg(ibuf);
1322 904df868 2018-11-04 stsp if (err)
1323 904df868 2018-11-04 stsp goto done;
1324 904df868 2018-11-04 stsp }
1325 c75f7264 2018-09-11 stsp err = send_commit_logmsg(ibuf, commit, logmsg_len);
1326 bff6ca00 2018-04-23 stsp done:
1327 bff6ca00 2018-04-23 stsp free(buf);
1328 bff6ca00 2018-04-23 stsp return err;
1329 bff6ca00 2018-04-23 stsp }
1330 cfd633c2 2018-09-10 stsp
1331 ca6e02ac 2020-01-07 stsp static const struct got_error *
1332 ca6e02ac 2020-01-07 stsp get_commit_from_imsg(struct got_commit_object **commit,
1333 ca6e02ac 2020-01-07 stsp struct imsg *imsg, size_t datalen, struct imsgbuf *ibuf)
1334 bff6ca00 2018-04-23 stsp {
1335 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1336 291624d8 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1337 ca6e02ac 2020-01-07 stsp size_t len = 0;
1338 bff6ca00 2018-04-23 stsp int i;
1339 bff6ca00 2018-04-23 stsp
1340 ca6e02ac 2020-01-07 stsp if (datalen < sizeof(*icommit))
1341 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1342 bff6ca00 2018-04-23 stsp
1343 ca6e02ac 2020-01-07 stsp icommit = imsg->data;
1344 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommit) + icommit->author_len +
1345 ca6e02ac 2020-01-07 stsp icommit->committer_len +
1346 ca6e02ac 2020-01-07 stsp icommit->nparents * SHA1_DIGEST_LENGTH)
1347 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1348 bff6ca00 2018-04-23 stsp
1349 ca6e02ac 2020-01-07 stsp if (icommit->nparents < 0)
1350 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1351 ca6e02ac 2020-01-07 stsp
1352 ca6e02ac 2020-01-07 stsp len += sizeof(*icommit);
1353 bff6ca00 2018-04-23 stsp
1354 ca6e02ac 2020-01-07 stsp *commit = got_object_commit_alloc_partial();
1355 ca6e02ac 2020-01-07 stsp if (*commit == NULL)
1356 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
1357 ca6e02ac 2020-01-07 stsp "got_object_commit_alloc_partial");
1358 ca6e02ac 2020-01-07 stsp
1359 ca6e02ac 2020-01-07 stsp memcpy((*commit)->tree_id->sha1, icommit->tree_id,
1360 ca6e02ac 2020-01-07 stsp SHA1_DIGEST_LENGTH);
1361 ca6e02ac 2020-01-07 stsp (*commit)->author_time = icommit->author_time;
1362 ca6e02ac 2020-01-07 stsp (*commit)->author_gmtoff = icommit->author_gmtoff;
1363 ca6e02ac 2020-01-07 stsp (*commit)->committer_time = icommit->committer_time;
1364 ca6e02ac 2020-01-07 stsp (*commit)->committer_gmtoff = icommit->committer_gmtoff;
1365 ca6e02ac 2020-01-07 stsp
1366 ca6e02ac 2020-01-07 stsp if (icommit->author_len == 0) {
1367 ca6e02ac 2020-01-07 stsp (*commit)->author = strdup("");
1368 ca6e02ac 2020-01-07 stsp if ((*commit)->author == NULL) {
1369 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1370 ca6e02ac 2020-01-07 stsp goto done;
1371 bff6ca00 2018-04-23 stsp }
1372 ca6e02ac 2020-01-07 stsp } else {
1373 ca6e02ac 2020-01-07 stsp (*commit)->author = malloc(icommit->author_len + 1);
1374 ca6e02ac 2020-01-07 stsp if ((*commit)->author == NULL) {
1375 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1376 ca6e02ac 2020-01-07 stsp goto done;
1377 ca6e02ac 2020-01-07 stsp }
1378 ca6e02ac 2020-01-07 stsp memcpy((*commit)->author, imsg->data + len,
1379 ca6e02ac 2020-01-07 stsp icommit->author_len);
1380 ca6e02ac 2020-01-07 stsp (*commit)->author[icommit->author_len] = '\0';
1381 ca6e02ac 2020-01-07 stsp }
1382 ca6e02ac 2020-01-07 stsp len += icommit->author_len;
1383 bff6ca00 2018-04-23 stsp
1384 ca6e02ac 2020-01-07 stsp if (icommit->committer_len == 0) {
1385 ca6e02ac 2020-01-07 stsp (*commit)->committer = strdup("");
1386 ca6e02ac 2020-01-07 stsp if ((*commit)->committer == NULL) {
1387 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1388 ca6e02ac 2020-01-07 stsp goto done;
1389 ca6e02ac 2020-01-07 stsp }
1390 ca6e02ac 2020-01-07 stsp } else {
1391 ca6e02ac 2020-01-07 stsp (*commit)->committer =
1392 ca6e02ac 2020-01-07 stsp malloc(icommit->committer_len + 1);
1393 ca6e02ac 2020-01-07 stsp if ((*commit)->committer == NULL) {
1394 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1395 ca6e02ac 2020-01-07 stsp goto done;
1396 ca6e02ac 2020-01-07 stsp }
1397 ca6e02ac 2020-01-07 stsp memcpy((*commit)->committer, imsg->data + len,
1398 ca6e02ac 2020-01-07 stsp icommit->committer_len);
1399 ca6e02ac 2020-01-07 stsp (*commit)->committer[icommit->committer_len] = '\0';
1400 ca6e02ac 2020-01-07 stsp }
1401 ca6e02ac 2020-01-07 stsp len += icommit->committer_len;
1402 ca6e02ac 2020-01-07 stsp
1403 ca6e02ac 2020-01-07 stsp if (icommit->logmsg_len == 0) {
1404 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = strdup("");
1405 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1406 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1407 ca6e02ac 2020-01-07 stsp goto done;
1408 ca6e02ac 2020-01-07 stsp }
1409 ca6e02ac 2020-01-07 stsp } else {
1410 ca6e02ac 2020-01-07 stsp size_t offset = 0, remain = icommit->logmsg_len;
1411 ca6e02ac 2020-01-07 stsp
1412 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = malloc(icommit->logmsg_len + 1);
1413 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1414 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1415 ca6e02ac 2020-01-07 stsp goto done;
1416 bff6ca00 2018-04-23 stsp }
1417 ca6e02ac 2020-01-07 stsp while (remain > 0) {
1418 ca6e02ac 2020-01-07 stsp struct imsg imsg_log;
1419 ca6e02ac 2020-01-07 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1420 ca6e02ac 2020-01-07 stsp remain);
1421 6c281f94 2018-06-11 stsp
1422 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1423 ca6e02ac 2020-01-07 stsp if (err)
1424 ca6e02ac 2020-01-07 stsp goto done;
1425 bff6ca00 2018-04-23 stsp
1426 ca6e02ac 2020-01-07 stsp if (imsg_log.hdr.type != GOT_IMSG_COMMIT_LOGMSG) {
1427 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1428 ca6e02ac 2020-01-07 stsp goto done;
1429 bff6ca00 2018-04-23 stsp }
1430 c75f7264 2018-09-11 stsp
1431 ca6e02ac 2020-01-07 stsp memcpy((*commit)->logmsg + offset,
1432 ca6e02ac 2020-01-07 stsp imsg_log.data, n);
1433 ca6e02ac 2020-01-07 stsp imsg_free(&imsg_log);
1434 ca6e02ac 2020-01-07 stsp offset += n;
1435 ca6e02ac 2020-01-07 stsp remain -= n;
1436 bff6ca00 2018-04-23 stsp }
1437 ca6e02ac 2020-01-07 stsp (*commit)->logmsg[icommit->logmsg_len] = '\0';
1438 ca6e02ac 2020-01-07 stsp }
1439 bff6ca00 2018-04-23 stsp
1440 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommit->nparents; i++) {
1441 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
1442 86acc566 2018-04-23 stsp
1443 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
1444 ca6e02ac 2020-01-07 stsp if (err)
1445 ca6e02ac 2020-01-07 stsp break;
1446 ec242592 2022-04-22 thomas memcpy(&qid->id, imsg->data + len +
1447 ec242592 2022-04-22 thomas i * SHA1_DIGEST_LENGTH, sizeof(qid->id));
1448 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(&(*commit)->parent_ids, qid, entry);
1449 ca6e02ac 2020-01-07 stsp (*commit)->nparents++;
1450 ca6e02ac 2020-01-07 stsp }
1451 ca6e02ac 2020-01-07 stsp done:
1452 ca6e02ac 2020-01-07 stsp if (err) {
1453 ca6e02ac 2020-01-07 stsp got_object_commit_close(*commit);
1454 ca6e02ac 2020-01-07 stsp *commit = NULL;
1455 ca6e02ac 2020-01-07 stsp }
1456 ca6e02ac 2020-01-07 stsp return err;
1457 ca6e02ac 2020-01-07 stsp }
1458 ca6e02ac 2020-01-07 stsp
1459 ca6e02ac 2020-01-07 stsp const struct got_error *
1460 ca6e02ac 2020-01-07 stsp got_privsep_recv_commit(struct got_commit_object **commit, struct imsgbuf *ibuf)
1461 ca6e02ac 2020-01-07 stsp {
1462 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
1463 ca6e02ac 2020-01-07 stsp struct imsg imsg;
1464 ca6e02ac 2020-01-07 stsp size_t datalen;
1465 ca6e02ac 2020-01-07 stsp const size_t min_datalen =
1466 ca6e02ac 2020-01-07 stsp MIN(sizeof(struct got_imsg_error),
1467 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_object));
1468 ca6e02ac 2020-01-07 stsp
1469 ca6e02ac 2020-01-07 stsp *commit = NULL;
1470 ca6e02ac 2020-01-07 stsp
1471 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1472 ca6e02ac 2020-01-07 stsp if (err)
1473 ca6e02ac 2020-01-07 stsp return err;
1474 ca6e02ac 2020-01-07 stsp
1475 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1476 ca6e02ac 2020-01-07 stsp
1477 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
1478 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
1479 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(commit, &imsg, datalen, ibuf);
1480 2178c42e 2018-04-22 stsp break;
1481 8c580685 2018-04-22 stsp default:
1482 8c580685 2018-04-22 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1483 8c580685 2018-04-22 stsp break;
1484 2178c42e 2018-04-22 stsp }
1485 2178c42e 2018-04-22 stsp
1486 2178c42e 2018-04-22 stsp imsg_free(&imsg);
1487 e033d803 2018-04-23 stsp
1488 e033d803 2018-04-23 stsp return err;
1489 e033d803 2018-04-23 stsp }
1490 e033d803 2018-04-23 stsp
1491 e033d803 2018-04-23 stsp const struct got_error *
1492 78e7b7b8 2022-05-19 thomas got_privsep_send_tree(struct imsgbuf *ibuf,
1493 78e7b7b8 2022-05-19 thomas struct got_parsed_tree_entry *entries, int nentries)
1494 e033d803 2018-04-23 stsp {
1495 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
1496 e033d803 2018-04-23 stsp struct got_imsg_tree_object itree;
1497 b00c9821 2018-11-04 stsp size_t totlen;
1498 78e7b7b8 2022-05-19 thomas int i, nimsg; /* number of imsg queued in ibuf */
1499 e033d803 2018-04-23 stsp
1500 3022d272 2019-11-14 stsp itree.nentries = nentries;
1501 e033d803 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_TREE, 0, 0, -1, &itree, sizeof(itree))
1502 e033d803 2018-04-23 stsp == -1)
1503 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose TREE");
1504 e033d803 2018-04-23 stsp
1505 b00c9821 2018-11-04 stsp totlen = sizeof(itree);
1506 6eb07a17 2018-11-04 stsp nimsg = 1;
1507 78e7b7b8 2022-05-19 thomas for (i = 0; i < nentries; i++) {
1508 78e7b7b8 2022-05-19 thomas struct got_parsed_tree_entry *pte = &entries[i];
1509 3022d272 2019-11-14 stsp struct ibuf *wbuf;
1510 78e7b7b8 2022-05-19 thomas size_t len = sizeof(struct got_imsg_tree_entry) + pte->namelen;
1511 e033d803 2018-04-23 stsp
1512 e033d803 2018-04-23 stsp if (len > MAX_IMSGSIZE)
1513 e033d803 2018-04-23 stsp return got_error(GOT_ERR_NO_SPACE);
1514 e033d803 2018-04-23 stsp
1515 6eb07a17 2018-11-04 stsp nimsg++;
1516 6eb07a17 2018-11-04 stsp if (totlen + len >= MAX_IMSGSIZE - (IMSG_HEADER_SIZE * nimsg)) {
1517 b00c9821 2018-11-04 stsp err = flush_imsg(ibuf);
1518 b00c9821 2018-11-04 stsp if (err)
1519 b00c9821 2018-11-04 stsp return err;
1520 6eb07a17 2018-11-04 stsp nimsg = 0;
1521 b00c9821 2018-11-04 stsp }
1522 b00c9821 2018-11-04 stsp
1523 3022d272 2019-11-14 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_ENTRY, 0, 0, len);
1524 3022d272 2019-11-14 stsp if (wbuf == NULL)
1525 3022d272 2019-11-14 stsp return got_error_from_errno("imsg_create TREE_ENTRY");
1526 e033d803 2018-04-23 stsp
1527 3022d272 2019-11-14 stsp /* Keep in sync with struct got_imsg_tree_object definition! */
1528 3b647085 2019-11-23 stsp if (imsg_add(wbuf, pte->id, SHA1_DIGEST_LENGTH) == -1) {
1529 3022d272 2019-11-14 stsp err = got_error_from_errno("imsg_add TREE_ENTRY");
1530 3b647085 2019-11-23 stsp ibuf_free(wbuf);
1531 e033d803 2018-04-23 stsp return err;
1532 3b647085 2019-11-23 stsp }
1533 3b647085 2019-11-23 stsp if (imsg_add(wbuf, &pte->mode, sizeof(pte->mode)) == -1) {
1534 3022d272 2019-11-14 stsp err = got_error_from_errno("imsg_add TREE_ENTRY");
1535 3b647085 2019-11-23 stsp ibuf_free(wbuf);
1536 3022d272 2019-11-14 stsp return err;
1537 3b647085 2019-11-23 stsp }
1538 3022d272 2019-11-14 stsp
1539 78e7b7b8 2022-05-19 thomas if (imsg_add(wbuf, pte->name, pte->namelen) == -1) {
1540 3022d272 2019-11-14 stsp err = got_error_from_errno("imsg_add TREE_ENTRY");
1541 3b647085 2019-11-23 stsp ibuf_free(wbuf);
1542 3022d272 2019-11-14 stsp return err;
1543 3b647085 2019-11-23 stsp }
1544 3022d272 2019-11-14 stsp
1545 3022d272 2019-11-14 stsp wbuf->fd = -1;
1546 3022d272 2019-11-14 stsp imsg_close(ibuf, wbuf);
1547 3022d272 2019-11-14 stsp
1548 b00c9821 2018-11-04 stsp totlen += len;
1549 e033d803 2018-04-23 stsp }
1550 e033d803 2018-04-23 stsp
1551 b00c9821 2018-11-04 stsp return flush_imsg(ibuf);
1552 e033d803 2018-04-23 stsp }
1553 e033d803 2018-04-23 stsp
1554 e033d803 2018-04-23 stsp const struct got_error *
1555 068fd2bf 2018-04-24 stsp got_privsep_recv_tree(struct got_tree_object **tree, struct imsgbuf *ibuf)
1556 e033d803 2018-04-23 stsp {
1557 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
1558 e033d803 2018-04-23 stsp const size_t min_datalen =
1559 e033d803 2018-04-23 stsp MIN(sizeof(struct got_imsg_error),
1560 e033d803 2018-04-23 stsp sizeof(struct got_imsg_tree_object));
1561 291624d8 2018-11-07 stsp struct got_imsg_tree_object *itree;
1562 e033d803 2018-04-23 stsp int nentries = 0;
1563 2178c42e 2018-04-22 stsp
1564 e033d803 2018-04-23 stsp *tree = NULL;
1565 8767bb94 2022-05-19 thomas
1566 e033d803 2018-04-23 stsp err = read_imsg(ibuf);
1567 e033d803 2018-04-23 stsp if (err)
1568 1e51f5b9 2018-04-23 stsp goto done;
1569 e033d803 2018-04-23 stsp
1570 656b1f76 2019-05-11 jcs for (;;) {
1571 e033d803 2018-04-23 stsp struct imsg imsg;
1572 e033d803 2018-04-23 stsp size_t n;
1573 e033d803 2018-04-23 stsp size_t datalen;
1574 c0588d8d 2018-11-07 stsp struct got_imsg_tree_entry *ite;
1575 e033d803 2018-04-23 stsp struct got_tree_entry *te = NULL;
1576 e033d803 2018-04-23 stsp
1577 e033d803 2018-04-23 stsp n = imsg_get(ibuf, &imsg);
1578 e033d803 2018-04-23 stsp if (n == 0) {
1579 8767bb94 2022-05-19 thomas if ((*tree)) {
1580 8767bb94 2022-05-19 thomas if (nentries < (*tree)->nentries) {
1581 8767bb94 2022-05-19 thomas err = read_imsg(ibuf);
1582 8767bb94 2022-05-19 thomas if (err)
1583 8767bb94 2022-05-19 thomas break;
1584 8767bb94 2022-05-19 thomas continue;
1585 8767bb94 2022-05-19 thomas } else
1586 8767bb94 2022-05-19 thomas break;
1587 8767bb94 2022-05-19 thomas } else {
1588 8767bb94 2022-05-19 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
1589 8767bb94 2022-05-19 thomas break;
1590 8767bb94 2022-05-19 thomas }
1591 e033d803 2018-04-23 stsp }
1592 e033d803 2018-04-23 stsp
1593 fca1f6ad 2020-08-27 stsp if (imsg.hdr.len < IMSG_HEADER_SIZE + min_datalen) {
1594 fca1f6ad 2020-08-27 stsp imsg_free(&imsg);
1595 fca1f6ad 2020-08-27 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1596 fca1f6ad 2020-08-27 stsp break;
1597 fca1f6ad 2020-08-27 stsp }
1598 e033d803 2018-04-23 stsp
1599 e033d803 2018-04-23 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1600 e033d803 2018-04-23 stsp
1601 e033d803 2018-04-23 stsp switch (imsg.hdr.type) {
1602 e033d803 2018-04-23 stsp case GOT_IMSG_ERROR:
1603 e033d803 2018-04-23 stsp err = recv_imsg_error(&imsg, datalen);
1604 e033d803 2018-04-23 stsp break;
1605 e033d803 2018-04-23 stsp case GOT_IMSG_TREE:
1606 e033d803 2018-04-23 stsp /* This message should only appear once. */
1607 e033d803 2018-04-23 stsp if (*tree != NULL) {
1608 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1609 e033d803 2018-04-23 stsp break;
1610 e033d803 2018-04-23 stsp }
1611 291624d8 2018-11-07 stsp if (datalen != sizeof(*itree)) {
1612 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1613 e033d803 2018-04-23 stsp break;
1614 e033d803 2018-04-23 stsp }
1615 291624d8 2018-11-07 stsp itree = imsg.data;
1616 ace4d4e7 2022-05-19 thomas if (itree->nentries < 0) {
1617 ace4d4e7 2022-05-19 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1618 ace4d4e7 2022-05-19 thomas break;
1619 ace4d4e7 2022-05-19 thomas }
1620 c3b78ecc 2018-11-07 stsp *tree = malloc(sizeof(**tree));
1621 e033d803 2018-04-23 stsp if (*tree == NULL) {
1622 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1623 e033d803 2018-04-23 stsp break;
1624 e033d803 2018-04-23 stsp }
1625 56e0773d 2019-11-28 stsp (*tree)->entries = calloc(itree->nentries,
1626 56e0773d 2019-11-28 stsp sizeof(struct got_tree_entry));
1627 56e0773d 2019-11-28 stsp if ((*tree)->entries == NULL) {
1628 56e0773d 2019-11-28 stsp err = got_error_from_errno("malloc");
1629 c3bacae2 2022-05-19 thomas free(*tree);
1630 c3bacae2 2022-05-19 thomas *tree = NULL;
1631 56e0773d 2019-11-28 stsp break;
1632 56e0773d 2019-11-28 stsp }
1633 56e0773d 2019-11-28 stsp (*tree)->nentries = itree->nentries;
1634 c3b78ecc 2018-11-07 stsp (*tree)->refcnt = 0;
1635 e033d803 2018-04-23 stsp break;
1636 e033d803 2018-04-23 stsp case GOT_IMSG_TREE_ENTRY:
1637 e033d803 2018-04-23 stsp /* This message should be preceeded by GOT_IMSG_TREE. */
1638 e033d803 2018-04-23 stsp if (*tree == NULL) {
1639 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1640 e033d803 2018-04-23 stsp break;
1641 e033d803 2018-04-23 stsp }
1642 c0588d8d 2018-11-07 stsp if (datalen < sizeof(*ite) || datalen > MAX_IMSGSIZE) {
1643 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1644 e033d803 2018-04-23 stsp break;
1645 e033d803 2018-04-23 stsp }
1646 e033d803 2018-04-23 stsp
1647 e033d803 2018-04-23 stsp /* Remaining data contains the entry's name. */
1648 c0588d8d 2018-11-07 stsp datalen -= sizeof(*ite);
1649 e033d803 2018-04-23 stsp if (datalen == 0 || datalen > MAX_IMSGSIZE) {
1650 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1651 e033d803 2018-04-23 stsp break;
1652 e033d803 2018-04-23 stsp }
1653 c0588d8d 2018-11-07 stsp ite = imsg.data;
1654 052d4dc3 2018-04-23 stsp
1655 56e0773d 2019-11-28 stsp if (datalen + 1 > sizeof(te->name)) {
1656 56e0773d 2019-11-28 stsp err = got_error(GOT_ERR_NO_SPACE);
1657 a396f313 2022-05-19 thomas break;
1658 a396f313 2022-05-19 thomas }
1659 a396f313 2022-05-19 thomas if (nentries >= (*tree)->nentries) {
1660 a396f313 2022-05-19 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1661 e033d803 2018-04-23 stsp break;
1662 e033d803 2018-04-23 stsp }
1663 56e0773d 2019-11-28 stsp te = &(*tree)->entries[nentries];
1664 c0588d8d 2018-11-07 stsp memcpy(te->name, imsg.data + sizeof(*ite), datalen);
1665 e033d803 2018-04-23 stsp te->name[datalen] = '\0';
1666 e033d803 2018-04-23 stsp
1667 56e0773d 2019-11-28 stsp memcpy(te->id.sha1, ite->id, SHA1_DIGEST_LENGTH);
1668 c0588d8d 2018-11-07 stsp te->mode = ite->mode;
1669 56e0773d 2019-11-28 stsp te->idx = nentries;
1670 e033d803 2018-04-23 stsp nentries++;
1671 e033d803 2018-04-23 stsp break;
1672 e033d803 2018-04-23 stsp default:
1673 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1674 e033d803 2018-04-23 stsp break;
1675 e033d803 2018-04-23 stsp }
1676 e033d803 2018-04-23 stsp
1677 e033d803 2018-04-23 stsp imsg_free(&imsg);
1678 d6b7d054 2020-08-27 stsp if (err)
1679 d6b7d054 2020-08-27 stsp break;
1680 e033d803 2018-04-23 stsp }
1681 1e51f5b9 2018-04-23 stsp done:
1682 56e0773d 2019-11-28 stsp if (*tree && (*tree)->nentries != nentries) {
1683 1e51f5b9 2018-04-23 stsp if (err == NULL)
1684 1e51f5b9 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1685 e033d803 2018-04-23 stsp got_object_tree_close(*tree);
1686 e033d803 2018-04-23 stsp *tree = NULL;
1687 ff6b18f8 2018-04-24 stsp }
1688 ff6b18f8 2018-04-24 stsp
1689 ff6b18f8 2018-04-24 stsp return err;
1690 ff6b18f8 2018-04-24 stsp }
1691 ff6b18f8 2018-04-24 stsp
1692 ff6b18f8 2018-04-24 stsp const struct got_error *
1693 ac544f8c 2019-01-13 stsp got_privsep_send_blob(struct imsgbuf *ibuf, size_t size, size_t hdrlen,
1694 ac544f8c 2019-01-13 stsp const uint8_t *data)
1695 ff6b18f8 2018-04-24 stsp {
1696 2967a784 2018-04-24 stsp struct got_imsg_blob iblob;
1697 2967a784 2018-04-24 stsp
1698 2967a784 2018-04-24 stsp iblob.size = size;
1699 ebc55e2d 2018-12-24 stsp iblob.hdrlen = hdrlen;
1700 2967a784 2018-04-24 stsp
1701 ac544f8c 2019-01-13 stsp if (data) {
1702 ac544f8c 2019-01-13 stsp uint8_t *buf;
1703 ac544f8c 2019-01-13 stsp
1704 ac544f8c 2019-01-13 stsp if (size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX)
1705 ac544f8c 2019-01-13 stsp return got_error(GOT_ERR_NO_SPACE);
1706 ac544f8c 2019-01-13 stsp
1707 ac544f8c 2019-01-13 stsp buf = malloc(sizeof(iblob) + size);
1708 ac544f8c 2019-01-13 stsp if (buf == NULL)
1709 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1710 ff6b18f8 2018-04-24 stsp
1711 ac544f8c 2019-01-13 stsp memcpy(buf, &iblob, sizeof(iblob));
1712 ac544f8c 2019-01-13 stsp memcpy(buf + sizeof(iblob), data, size);
1713 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, buf,
1714 62d463ca 2020-10-20 naddy sizeof(iblob) + size) == -1) {
1715 ac544f8c 2019-01-13 stsp free(buf);
1716 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1717 ac544f8c 2019-01-13 stsp }
1718 ac544f8c 2019-01-13 stsp free(buf);
1719 ac544f8c 2019-01-13 stsp } else {
1720 ac544f8c 2019-01-13 stsp /* Data has already been written to file descriptor. */
1721 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, &iblob,
1722 ac544f8c 2019-01-13 stsp sizeof(iblob)) == -1)
1723 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1724 ac544f8c 2019-01-13 stsp }
1725 ac544f8c 2019-01-13 stsp
1726 ac544f8c 2019-01-13 stsp
1727 ff6b18f8 2018-04-24 stsp return flush_imsg(ibuf);
1728 ff6b18f8 2018-04-24 stsp }
1729 ff6b18f8 2018-04-24 stsp
1730 ff6b18f8 2018-04-24 stsp const struct got_error *
1731 ac544f8c 2019-01-13 stsp got_privsep_recv_blob(uint8_t **outbuf, size_t *size, size_t *hdrlen,
1732 ac544f8c 2019-01-13 stsp struct imsgbuf *ibuf)
1733 ff6b18f8 2018-04-24 stsp {
1734 ff6b18f8 2018-04-24 stsp const struct got_error *err = NULL;
1735 ff6b18f8 2018-04-24 stsp struct imsg imsg;
1736 291624d8 2018-11-07 stsp struct got_imsg_blob *iblob;
1737 ff6b18f8 2018-04-24 stsp size_t datalen;
1738 ff6b18f8 2018-04-24 stsp
1739 ac544f8c 2019-01-13 stsp *outbuf = NULL;
1740 ac544f8c 2019-01-13 stsp
1741 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1742 ff6b18f8 2018-04-24 stsp if (err)
1743 ff6b18f8 2018-04-24 stsp return err;
1744 ff6b18f8 2018-04-24 stsp
1745 ff6b18f8 2018-04-24 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1746 ff6b18f8 2018-04-24 stsp
1747 ff6b18f8 2018-04-24 stsp switch (imsg.hdr.type) {
1748 ff6b18f8 2018-04-24 stsp case GOT_IMSG_BLOB:
1749 ac544f8c 2019-01-13 stsp if (datalen < sizeof(*iblob)) {
1750 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1751 18336eed 2018-11-04 stsp break;
1752 18336eed 2018-11-04 stsp }
1753 291624d8 2018-11-07 stsp iblob = imsg.data;
1754 291624d8 2018-11-07 stsp *size = iblob->size;
1755 ebc55e2d 2018-12-24 stsp *hdrlen = iblob->hdrlen;
1756 ac544f8c 2019-01-13 stsp
1757 ac544f8c 2019-01-13 stsp if (datalen == sizeof(*iblob)) {
1758 ac544f8c 2019-01-13 stsp /* Data has been written to file descriptor. */
1759 ac544f8c 2019-01-13 stsp break;
1760 ac544f8c 2019-01-13 stsp }
1761 ac544f8c 2019-01-13 stsp
1762 ac544f8c 2019-01-13 stsp if (*size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX) {
1763 ac544f8c 2019-01-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1764 ac544f8c 2019-01-13 stsp break;
1765 ac544f8c 2019-01-13 stsp }
1766 ac544f8c 2019-01-13 stsp
1767 ac544f8c 2019-01-13 stsp *outbuf = malloc(*size);
1768 ac544f8c 2019-01-13 stsp if (*outbuf == NULL) {
1769 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1770 ac544f8c 2019-01-13 stsp break;
1771 ac544f8c 2019-01-13 stsp }
1772 ac544f8c 2019-01-13 stsp memcpy(*outbuf, imsg.data + sizeof(*iblob), *size);
1773 f4a881ce 2018-11-17 stsp break;
1774 f4a881ce 2018-11-17 stsp default:
1775 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1776 f4a881ce 2018-11-17 stsp break;
1777 f4a881ce 2018-11-17 stsp }
1778 f4a881ce 2018-11-17 stsp
1779 f4a881ce 2018-11-17 stsp imsg_free(&imsg);
1780 f4a881ce 2018-11-17 stsp
1781 f4a881ce 2018-11-17 stsp return err;
1782 f4a881ce 2018-11-17 stsp }
1783 f4a881ce 2018-11-17 stsp
1784 f4a881ce 2018-11-17 stsp static const struct got_error *
1785 f4a881ce 2018-11-17 stsp send_tagmsg(struct imsgbuf *ibuf, struct got_tag_object *tag, size_t tagmsg_len)
1786 f4a881ce 2018-11-17 stsp {
1787 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1788 f4a881ce 2018-11-17 stsp size_t offset, remain;
1789 f4a881ce 2018-11-17 stsp
1790 f4a881ce 2018-11-17 stsp offset = 0;
1791 f4a881ce 2018-11-17 stsp remain = tagmsg_len;
1792 f4a881ce 2018-11-17 stsp while (remain > 0) {
1793 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1794 f4a881ce 2018-11-17 stsp
1795 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_TAGMSG, 0, 0, -1,
1796 f4a881ce 2018-11-17 stsp tag->tagmsg + offset, n) == -1) {
1797 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG_TAGMSG");
1798 f4a881ce 2018-11-17 stsp break;
1799 f4a881ce 2018-11-17 stsp }
1800 f4a881ce 2018-11-17 stsp
1801 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1802 f4a881ce 2018-11-17 stsp if (err)
1803 f4a881ce 2018-11-17 stsp break;
1804 f4a881ce 2018-11-17 stsp
1805 f4a881ce 2018-11-17 stsp offset += n;
1806 f4a881ce 2018-11-17 stsp remain -= n;
1807 f4a881ce 2018-11-17 stsp }
1808 f4a881ce 2018-11-17 stsp
1809 f4a881ce 2018-11-17 stsp return err;
1810 f4a881ce 2018-11-17 stsp }
1811 f4a881ce 2018-11-17 stsp
1812 f4a881ce 2018-11-17 stsp const struct got_error *
1813 f4a881ce 2018-11-17 stsp got_privsep_send_tag(struct imsgbuf *ibuf, struct got_tag_object *tag)
1814 f4a881ce 2018-11-17 stsp {
1815 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1816 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1817 f4a881ce 2018-11-17 stsp uint8_t *buf;
1818 f4a881ce 2018-11-17 stsp size_t len, total;
1819 f4a881ce 2018-11-17 stsp size_t tag_len = strlen(tag->tag);
1820 f4a881ce 2018-11-17 stsp size_t tagger_len = strlen(tag->tagger);
1821 f4a881ce 2018-11-17 stsp size_t tagmsg_len = strlen(tag->tagmsg);
1822 f4a881ce 2018-11-17 stsp
1823 f4a881ce 2018-11-17 stsp total = sizeof(*itag) + tag_len + tagger_len + tagmsg_len;
1824 f4a881ce 2018-11-17 stsp
1825 f4a881ce 2018-11-17 stsp buf = malloc(total);
1826 f4a881ce 2018-11-17 stsp if (buf == NULL)
1827 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1828 f4a881ce 2018-11-17 stsp
1829 f4a881ce 2018-11-17 stsp itag = (struct got_imsg_tag_object *)buf;
1830 f4a881ce 2018-11-17 stsp memcpy(itag->id, tag->id.sha1, sizeof(itag->id));
1831 f4a881ce 2018-11-17 stsp itag->obj_type = tag->obj_type;
1832 f4a881ce 2018-11-17 stsp itag->tag_len = tag_len;
1833 f4a881ce 2018-11-17 stsp itag->tagger_len = tagger_len;
1834 f4a881ce 2018-11-17 stsp itag->tagger_time = tag->tagger_time;
1835 f4a881ce 2018-11-17 stsp itag->tagger_gmtoff = tag->tagger_gmtoff;
1836 f4a881ce 2018-11-17 stsp itag->tagmsg_len = tagmsg_len;
1837 f4a881ce 2018-11-17 stsp
1838 f4a881ce 2018-11-17 stsp len = sizeof(*itag);
1839 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tag, tag_len);
1840 f4a881ce 2018-11-17 stsp len += tag_len;
1841 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tagger, tagger_len);
1842 f4a881ce 2018-11-17 stsp len += tagger_len;
1843 f4a881ce 2018-11-17 stsp
1844 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG, 0, 0, -1, buf, len) == -1) {
1845 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG");
1846 f4a881ce 2018-11-17 stsp goto done;
1847 f4a881ce 2018-11-17 stsp }
1848 f4a881ce 2018-11-17 stsp
1849 f4a881ce 2018-11-17 stsp if (tagmsg_len == 0 ||
1850 f4a881ce 2018-11-17 stsp tagmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1851 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1852 f4a881ce 2018-11-17 stsp if (err)
1853 f4a881ce 2018-11-17 stsp goto done;
1854 f4a881ce 2018-11-17 stsp }
1855 f4a881ce 2018-11-17 stsp err = send_tagmsg(ibuf, tag, tagmsg_len);
1856 f4a881ce 2018-11-17 stsp done:
1857 f4a881ce 2018-11-17 stsp free(buf);
1858 f4a881ce 2018-11-17 stsp return err;
1859 f4a881ce 2018-11-17 stsp }
1860 f4a881ce 2018-11-17 stsp
1861 f4a881ce 2018-11-17 stsp const struct got_error *
1862 f4a881ce 2018-11-17 stsp got_privsep_recv_tag(struct got_tag_object **tag, struct imsgbuf *ibuf)
1863 f4a881ce 2018-11-17 stsp {
1864 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1865 f4a881ce 2018-11-17 stsp struct imsg imsg;
1866 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1867 f4a881ce 2018-11-17 stsp size_t len, datalen;
1868 f4a881ce 2018-11-17 stsp const size_t min_datalen =
1869 f4a881ce 2018-11-17 stsp MIN(sizeof(struct got_imsg_error),
1870 f4a881ce 2018-11-17 stsp sizeof(struct got_imsg_tag_object));
1871 f4a881ce 2018-11-17 stsp
1872 f4a881ce 2018-11-17 stsp *tag = NULL;
1873 f4a881ce 2018-11-17 stsp
1874 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1875 f4a881ce 2018-11-17 stsp if (err)
1876 f4a881ce 2018-11-17 stsp return err;
1877 f4a881ce 2018-11-17 stsp
1878 f4a881ce 2018-11-17 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1879 f4a881ce 2018-11-17 stsp len = 0;
1880 f4a881ce 2018-11-17 stsp
1881 f4a881ce 2018-11-17 stsp switch (imsg.hdr.type) {
1882 f4a881ce 2018-11-17 stsp case GOT_IMSG_TAG:
1883 f4a881ce 2018-11-17 stsp if (datalen < sizeof(*itag)) {
1884 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1885 f4a881ce 2018-11-17 stsp break;
1886 f4a881ce 2018-11-17 stsp }
1887 f4a881ce 2018-11-17 stsp itag = imsg.data;
1888 f4a881ce 2018-11-17 stsp if (datalen != sizeof(*itag) + itag->tag_len +
1889 f4a881ce 2018-11-17 stsp itag->tagger_len) {
1890 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1891 f4a881ce 2018-11-17 stsp break;
1892 f4a881ce 2018-11-17 stsp }
1893 f4a881ce 2018-11-17 stsp len += sizeof(*itag);
1894 f4a881ce 2018-11-17 stsp
1895 f4a881ce 2018-11-17 stsp *tag = calloc(1, sizeof(**tag));
1896 f4a881ce 2018-11-17 stsp if (*tag == NULL) {
1897 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
1898 f4a881ce 2018-11-17 stsp break;
1899 f4a881ce 2018-11-17 stsp }
1900 f4a881ce 2018-11-17 stsp
1901 f4a881ce 2018-11-17 stsp memcpy((*tag)->id.sha1, itag->id, SHA1_DIGEST_LENGTH);
1902 f4a881ce 2018-11-17 stsp
1903 f4a881ce 2018-11-17 stsp if (itag->tag_len == 0) {
1904 f4a881ce 2018-11-17 stsp (*tag)->tag = strdup("");
1905 f4a881ce 2018-11-17 stsp if ((*tag)->tag == NULL) {
1906 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1907 f4a881ce 2018-11-17 stsp break;
1908 f4a881ce 2018-11-17 stsp }
1909 f4a881ce 2018-11-17 stsp } else {
1910 f4a881ce 2018-11-17 stsp (*tag)->tag = malloc(itag->tag_len + 1);
1911 f4a881ce 2018-11-17 stsp if ((*tag)->tag == NULL) {
1912 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1913 f4a881ce 2018-11-17 stsp break;
1914 f4a881ce 2018-11-17 stsp }
1915 f4a881ce 2018-11-17 stsp memcpy((*tag)->tag, imsg.data + len,
1916 f4a881ce 2018-11-17 stsp itag->tag_len);
1917 f4a881ce 2018-11-17 stsp (*tag)->tag[itag->tag_len] = '\0';
1918 f4a881ce 2018-11-17 stsp }
1919 f4a881ce 2018-11-17 stsp len += itag->tag_len;
1920 f4a881ce 2018-11-17 stsp
1921 f4a881ce 2018-11-17 stsp (*tag)->obj_type = itag->obj_type;
1922 f4a881ce 2018-11-17 stsp (*tag)->tagger_time = itag->tagger_time;
1923 f4a881ce 2018-11-17 stsp (*tag)->tagger_gmtoff = itag->tagger_gmtoff;
1924 f4a881ce 2018-11-17 stsp
1925 f4a881ce 2018-11-17 stsp if (itag->tagger_len == 0) {
1926 f4a881ce 2018-11-17 stsp (*tag)->tagger = strdup("");
1927 f4a881ce 2018-11-17 stsp if ((*tag)->tagger == NULL) {
1928 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1929 f4a881ce 2018-11-17 stsp break;
1930 f4a881ce 2018-11-17 stsp }
1931 f4a881ce 2018-11-17 stsp } else {
1932 f4a881ce 2018-11-17 stsp (*tag)->tagger = malloc(itag->tagger_len + 1);
1933 f4a881ce 2018-11-17 stsp if ((*tag)->tagger == NULL) {
1934 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1935 f4a881ce 2018-11-17 stsp break;
1936 f4a881ce 2018-11-17 stsp }
1937 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagger, imsg.data + len,
1938 f4a881ce 2018-11-17 stsp itag->tagger_len);
1939 f4a881ce 2018-11-17 stsp (*tag)->tagger[itag->tagger_len] = '\0';
1940 f4a881ce 2018-11-17 stsp }
1941 f4a881ce 2018-11-17 stsp len += itag->tagger_len;
1942 f4a881ce 2018-11-17 stsp
1943 f4a881ce 2018-11-17 stsp if (itag->tagmsg_len == 0) {
1944 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = strdup("");
1945 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1946 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1947 f4a881ce 2018-11-17 stsp break;
1948 f4a881ce 2018-11-17 stsp }
1949 f4a881ce 2018-11-17 stsp } else {
1950 f4a881ce 2018-11-17 stsp size_t offset = 0, remain = itag->tagmsg_len;
1951 f4a881ce 2018-11-17 stsp
1952 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = malloc(itag->tagmsg_len + 1);
1953 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1954 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1955 f4a881ce 2018-11-17 stsp break;
1956 f4a881ce 2018-11-17 stsp }
1957 f4a881ce 2018-11-17 stsp while (remain > 0) {
1958 f4a881ce 2018-11-17 stsp struct imsg imsg_log;
1959 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1960 f4a881ce 2018-11-17 stsp remain);
1961 f4a881ce 2018-11-17 stsp
1962 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1963 f4a881ce 2018-11-17 stsp if (err)
1964 f4a881ce 2018-11-17 stsp return err;
1965 f4a881ce 2018-11-17 stsp
1966 f4a881ce 2018-11-17 stsp if (imsg_log.hdr.type != GOT_IMSG_TAG_TAGMSG)
1967 f4a881ce 2018-11-17 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
1968 f4a881ce 2018-11-17 stsp
1969 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagmsg + offset, imsg_log.data,
1970 f4a881ce 2018-11-17 stsp n);
1971 f4a881ce 2018-11-17 stsp imsg_free(&imsg_log);
1972 f4a881ce 2018-11-17 stsp offset += n;
1973 f4a881ce 2018-11-17 stsp remain -= n;
1974 f4a881ce 2018-11-17 stsp }
1975 f4a881ce 2018-11-17 stsp (*tag)->tagmsg[itag->tagmsg_len] = '\0';
1976 f4a881ce 2018-11-17 stsp }
1977 f4a881ce 2018-11-17 stsp
1978 ff6b18f8 2018-04-24 stsp break;
1979 ff6b18f8 2018-04-24 stsp default:
1980 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1981 ff6b18f8 2018-04-24 stsp break;
1982 e033d803 2018-04-23 stsp }
1983 e033d803 2018-04-23 stsp
1984 ff6b18f8 2018-04-24 stsp imsg_free(&imsg);
1985 ff6b18f8 2018-04-24 stsp
1986 2178c42e 2018-04-22 stsp return err;
1987 2178c42e 2018-04-22 stsp }
1988 876c234b 2018-09-10 stsp
1989 876c234b 2018-09-10 stsp const struct got_error *
1990 876c234b 2018-09-10 stsp got_privsep_init_pack_child(struct imsgbuf *ibuf, struct got_pack *pack,
1991 876c234b 2018-09-10 stsp struct got_packidx *packidx)
1992 876c234b 2018-09-10 stsp {
1993 41496140 2019-02-21 stsp const struct got_error *err = NULL;
1994 876c234b 2018-09-10 stsp struct got_imsg_packidx ipackidx;
1995 876c234b 2018-09-10 stsp struct got_imsg_pack ipack;
1996 876c234b 2018-09-10 stsp int fd;
1997 876c234b 2018-09-10 stsp
1998 876c234b 2018-09-10 stsp ipackidx.len = packidx->len;
1999 c3564dfa 2021-07-15 stsp ipackidx.packfile_size = pack->filesize;
2000 876c234b 2018-09-10 stsp fd = dup(packidx->fd);
2001 876c234b 2018-09-10 stsp if (fd == -1)
2002 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
2003 876c234b 2018-09-10 stsp
2004 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKIDX, 0, 0, fd, &ipackidx,
2005 41496140 2019-02-21 stsp sizeof(ipackidx)) == -1) {
2006 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACKIDX");
2007 41496140 2019-02-21 stsp close(fd);
2008 41496140 2019-02-21 stsp return err;
2009 41496140 2019-02-21 stsp }
2010 876c234b 2018-09-10 stsp
2011 876c234b 2018-09-10 stsp if (strlcpy(ipack.path_packfile, pack->path_packfile,
2012 876c234b 2018-09-10 stsp sizeof(ipack.path_packfile)) >= sizeof(ipack.path_packfile))
2013 876c234b 2018-09-10 stsp return got_error(GOT_ERR_NO_SPACE);
2014 876c234b 2018-09-10 stsp ipack.filesize = pack->filesize;
2015 876c234b 2018-09-10 stsp
2016 876c234b 2018-09-10 stsp fd = dup(pack->fd);
2017 876c234b 2018-09-10 stsp if (fd == -1)
2018 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
2019 876c234b 2018-09-10 stsp
2020 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACK, 0, 0, fd, &ipack, sizeof(ipack))
2021 41496140 2019-02-21 stsp == -1) {
2022 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACK");
2023 41496140 2019-02-21 stsp close(fd);
2024 41496140 2019-02-21 stsp return err;
2025 41496140 2019-02-21 stsp }
2026 876c234b 2018-09-10 stsp
2027 876c234b 2018-09-10 stsp return flush_imsg(ibuf);
2028 876c234b 2018-09-10 stsp }
2029 876c234b 2018-09-10 stsp
2030 876c234b 2018-09-10 stsp const struct got_error *
2031 106807b4 2018-09-15 stsp got_privsep_send_packed_obj_req(struct imsgbuf *ibuf, int idx,
2032 106807b4 2018-09-15 stsp struct got_object_id *id)
2033 876c234b 2018-09-10 stsp {
2034 876c234b 2018-09-10 stsp struct got_imsg_packed_object iobj;
2035 876c234b 2018-09-10 stsp
2036 876c234b 2018-09-10 stsp iobj.idx = idx;
2037 106807b4 2018-09-15 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
2038 876c234b 2018-09-10 stsp
2039 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_OBJECT_REQUEST, 0, 0, -1,
2040 876c234b 2018-09-10 stsp &iobj, sizeof(iobj)) == -1)
2041 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose "
2042 230a42bd 2019-05-11 jcs "PACKED_OBJECT_REQUEST");
2043 aba9c984 2019-09-08 stsp
2044 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2045 aba9c984 2019-09-08 stsp }
2046 aba9c984 2019-09-08 stsp
2047 aba9c984 2019-09-08 stsp const struct got_error *
2048 59d1e4a0 2021-03-10 stsp got_privsep_send_packed_raw_obj_req(struct imsgbuf *ibuf, int idx,
2049 59d1e4a0 2021-03-10 stsp struct got_object_id *id)
2050 59d1e4a0 2021-03-10 stsp {
2051 59d1e4a0 2021-03-10 stsp struct got_imsg_packed_object iobj;
2052 59d1e4a0 2021-03-10 stsp
2053 59d1e4a0 2021-03-10 stsp iobj.idx = idx;
2054 59d1e4a0 2021-03-10 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
2055 59d1e4a0 2021-03-10 stsp
2056 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_RAW_OBJECT_REQUEST, 0, 0, -1,
2057 59d1e4a0 2021-03-10 stsp &iobj, sizeof(iobj)) == -1)
2058 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose "
2059 59d1e4a0 2021-03-10 stsp "PACKED_OBJECT_REQUEST");
2060 59d1e4a0 2021-03-10 stsp
2061 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
2062 59d1e4a0 2021-03-10 stsp }
2063 59d1e4a0 2021-03-10 stsp
2064 59d1e4a0 2021-03-10 stsp const struct got_error *
2065 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_parse_req(struct imsgbuf *ibuf, int fd)
2066 aba9c984 2019-09-08 stsp {
2067 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2068 aba9c984 2019-09-08 stsp
2069 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_PARSE_REQUEST, 0, 0, fd,
2070 aba9c984 2019-09-08 stsp NULL, 0) == -1) {
2071 aba9c984 2019-09-08 stsp err = got_error_from_errno("imsg_compose "
2072 aba9c984 2019-09-08 stsp "GITCONFIG_PARSE_REQUEST");
2073 aba9c984 2019-09-08 stsp close(fd);
2074 aba9c984 2019-09-08 stsp return err;
2075 aba9c984 2019-09-08 stsp }
2076 aba9c984 2019-09-08 stsp
2077 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2078 aba9c984 2019-09-08 stsp }
2079 aba9c984 2019-09-08 stsp
2080 aba9c984 2019-09-08 stsp const struct got_error *
2081 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_repository_format_version_req(struct imsgbuf *ibuf)
2082 aba9c984 2019-09-08 stsp {
2083 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2084 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST, 0, 0, -1,
2085 aba9c984 2019-09-08 stsp NULL, 0) == -1)
2086 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2087 aba9c984 2019-09-08 stsp "GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST");
2088 aba9c984 2019-09-08 stsp
2089 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2090 aba9c984 2019-09-08 stsp }
2091 aba9c984 2019-09-08 stsp
2092 aba9c984 2019-09-08 stsp const struct got_error *
2093 20b7abb3 2020-10-22 stsp got_privsep_send_gitconfig_repository_extensions_req(struct imsgbuf *ibuf)
2094 20b7abb3 2020-10-22 stsp {
2095 20b7abb3 2020-10-22 stsp if (imsg_compose(ibuf,
2096 20b7abb3 2020-10-22 stsp GOT_IMSG_GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST, 0, 0, -1,
2097 20b7abb3 2020-10-22 stsp NULL, 0) == -1)
2098 20b7abb3 2020-10-22 stsp return got_error_from_errno("imsg_compose "
2099 20b7abb3 2020-10-22 stsp "GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST");
2100 20b7abb3 2020-10-22 stsp
2101 20b7abb3 2020-10-22 stsp return flush_imsg(ibuf);
2102 20b7abb3 2020-10-22 stsp }
2103 20b7abb3 2020-10-22 stsp
2104 20b7abb3 2020-10-22 stsp
2105 20b7abb3 2020-10-22 stsp const struct got_error *
2106 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_name_req(struct imsgbuf *ibuf)
2107 aba9c984 2019-09-08 stsp {
2108 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2109 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_NAME_REQUEST, 0, 0, -1, NULL, 0) == -1)
2110 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2111 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_NAME_REQUEST");
2112 aba9c984 2019-09-08 stsp
2113 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2114 aba9c984 2019-09-08 stsp }
2115 aba9c984 2019-09-08 stsp
2116 aba9c984 2019-09-08 stsp const struct got_error *
2117 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_email_req(struct imsgbuf *ibuf)
2118 aba9c984 2019-09-08 stsp {
2119 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2120 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_EMAIL_REQUEST, 0, 0, -1, NULL, 0) == -1)
2121 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2122 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_EMAIL_REQUEST");
2123 cd95becd 2019-11-29 stsp
2124 cd95becd 2019-11-29 stsp return flush_imsg(ibuf);
2125 cd95becd 2019-11-29 stsp }
2126 cd95becd 2019-11-29 stsp
2127 cd95becd 2019-11-29 stsp const struct got_error *
2128 cd95becd 2019-11-29 stsp got_privsep_send_gitconfig_remotes_req(struct imsgbuf *ibuf)
2129 cd95becd 2019-11-29 stsp {
2130 cd95becd 2019-11-29 stsp if (imsg_compose(ibuf,
2131 cd95becd 2019-11-29 stsp GOT_IMSG_GITCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2132 cd95becd 2019-11-29 stsp return got_error_from_errno("imsg_compose "
2133 cd95becd 2019-11-29 stsp "GITCONFIG_REMOTE_REQUEST");
2134 aba9c984 2019-09-08 stsp
2135 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2136 aba9c984 2019-09-08 stsp }
2137 aba9c984 2019-09-08 stsp
2138 aba9c984 2019-09-08 stsp const struct got_error *
2139 9a1cc63f 2020-02-03 stsp got_privsep_send_gitconfig_owner_req(struct imsgbuf *ibuf)
2140 9a1cc63f 2020-02-03 stsp {
2141 9a1cc63f 2020-02-03 stsp if (imsg_compose(ibuf,
2142 9a1cc63f 2020-02-03 stsp GOT_IMSG_GITCONFIG_OWNER_REQUEST, 0, 0, -1, NULL, 0) == -1)
2143 9a1cc63f 2020-02-03 stsp return got_error_from_errno("imsg_compose "
2144 9a1cc63f 2020-02-03 stsp "GITCONFIG_OWNER_REQUEST");
2145 9a1cc63f 2020-02-03 stsp
2146 9a1cc63f 2020-02-03 stsp return flush_imsg(ibuf);
2147 9a1cc63f 2020-02-03 stsp }
2148 9a1cc63f 2020-02-03 stsp
2149 9a1cc63f 2020-02-03 stsp const struct got_error *
2150 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_str(char **str, struct imsgbuf *ibuf)
2151 aba9c984 2019-09-08 stsp {
2152 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2153 aba9c984 2019-09-08 stsp struct imsg imsg;
2154 aba9c984 2019-09-08 stsp size_t datalen;
2155 aba9c984 2019-09-08 stsp const size_t min_datalen = 0;
2156 aba9c984 2019-09-08 stsp
2157 aba9c984 2019-09-08 stsp *str = NULL;
2158 aba9c984 2019-09-08 stsp
2159 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2160 aba9c984 2019-09-08 stsp if (err)
2161 aba9c984 2019-09-08 stsp return err;
2162 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2163 aba9c984 2019-09-08 stsp
2164 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2165 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_STR_VAL:
2166 aba9c984 2019-09-08 stsp if (datalen == 0)
2167 aba9c984 2019-09-08 stsp break;
2168 6c13dcd2 2020-09-18 stsp /* datalen does not include terminating \0 */
2169 6c13dcd2 2020-09-18 stsp *str = malloc(datalen + 1);
2170 aba9c984 2019-09-08 stsp if (*str == NULL) {
2171 aba9c984 2019-09-08 stsp err = got_error_from_errno("malloc");
2172 aba9c984 2019-09-08 stsp break;
2173 aba9c984 2019-09-08 stsp }
2174 6c13dcd2 2020-09-18 stsp memcpy(*str, imsg.data, datalen);
2175 6c13dcd2 2020-09-18 stsp (*str)[datalen] = '\0';
2176 aba9c984 2019-09-08 stsp break;
2177 aba9c984 2019-09-08 stsp default:
2178 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2179 aba9c984 2019-09-08 stsp break;
2180 aba9c984 2019-09-08 stsp }
2181 876c234b 2018-09-10 stsp
2182 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2183 aba9c984 2019-09-08 stsp return err;
2184 aba9c984 2019-09-08 stsp }
2185 aba9c984 2019-09-08 stsp
2186 aba9c984 2019-09-08 stsp const struct got_error *
2187 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_int(int *val, struct imsgbuf *ibuf)
2188 aba9c984 2019-09-08 stsp {
2189 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2190 aba9c984 2019-09-08 stsp struct imsg imsg;
2191 aba9c984 2019-09-08 stsp size_t datalen;
2192 aba9c984 2019-09-08 stsp const size_t min_datalen =
2193 aba9c984 2019-09-08 stsp MIN(sizeof(struct got_imsg_error), sizeof(int));
2194 aba9c984 2019-09-08 stsp
2195 aba9c984 2019-09-08 stsp *val = 0;
2196 aba9c984 2019-09-08 stsp
2197 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2198 aba9c984 2019-09-08 stsp if (err)
2199 aba9c984 2019-09-08 stsp return err;
2200 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2201 aba9c984 2019-09-08 stsp
2202 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2203 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_INT_VAL:
2204 aba9c984 2019-09-08 stsp if (datalen != sizeof(*val)) {
2205 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2206 aba9c984 2019-09-08 stsp break;
2207 aba9c984 2019-09-08 stsp }
2208 aba9c984 2019-09-08 stsp memcpy(val, imsg.data, sizeof(*val));
2209 cd95becd 2019-11-29 stsp break;
2210 cd95becd 2019-11-29 stsp default:
2211 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2212 cd95becd 2019-11-29 stsp break;
2213 cd95becd 2019-11-29 stsp }
2214 cd95becd 2019-11-29 stsp
2215 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2216 cd95becd 2019-11-29 stsp return err;
2217 b8adfa55 2020-09-25 stsp }
2218 b8adfa55 2020-09-25 stsp
2219 b8adfa55 2020-09-25 stsp static void
2220 b8adfa55 2020-09-25 stsp free_remote_data(struct got_remote_repo *remote)
2221 b8adfa55 2020-09-25 stsp {
2222 b8adfa55 2020-09-25 stsp int i;
2223 b8adfa55 2020-09-25 stsp
2224 b8adfa55 2020-09-25 stsp free(remote->name);
2225 6480c871 2021-08-30 stsp free(remote->fetch_url);
2226 6480c871 2021-08-30 stsp free(remote->send_url);
2227 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_branches; i++)
2228 6480c871 2021-08-30 stsp free(remote->fetch_branches[i]);
2229 6480c871 2021-08-30 stsp free(remote->fetch_branches);
2230 6480c871 2021-08-30 stsp for (i = 0; i < remote->nsend_branches; i++)
2231 6480c871 2021-08-30 stsp free(remote->send_branches[i]);
2232 6480c871 2021-08-30 stsp free(remote->send_branches);
2233 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_refs; i++)
2234 6480c871 2021-08-30 stsp free(remote->fetch_refs[i]);
2235 6480c871 2021-08-30 stsp free(remote->fetch_refs);
2236 cd95becd 2019-11-29 stsp }
2237 cd95becd 2019-11-29 stsp
2238 cd95becd 2019-11-29 stsp const struct got_error *
2239 cd95becd 2019-11-29 stsp got_privsep_recv_gitconfig_remotes(struct got_remote_repo **remotes,
2240 cd95becd 2019-11-29 stsp int *nremotes, struct imsgbuf *ibuf)
2241 cd95becd 2019-11-29 stsp {
2242 cd95becd 2019-11-29 stsp const struct got_error *err = NULL;
2243 cd95becd 2019-11-29 stsp struct imsg imsg;
2244 cd95becd 2019-11-29 stsp size_t datalen;
2245 cd95becd 2019-11-29 stsp struct got_imsg_remotes iremotes;
2246 cd95becd 2019-11-29 stsp struct got_imsg_remote iremote;
2247 cd95becd 2019-11-29 stsp
2248 cd95becd 2019-11-29 stsp *remotes = NULL;
2249 cd95becd 2019-11-29 stsp *nremotes = 0;
2250 d669b9c9 2020-02-22 stsp iremotes.nremotes = 0;
2251 cd95becd 2019-11-29 stsp
2252 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremotes));
2253 cd95becd 2019-11-29 stsp if (err)
2254 cd95becd 2019-11-29 stsp return err;
2255 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2256 cd95becd 2019-11-29 stsp
2257 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2258 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTES:
2259 cd95becd 2019-11-29 stsp if (datalen != sizeof(iremotes)) {
2260 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2261 cd95becd 2019-11-29 stsp break;
2262 cd95becd 2019-11-29 stsp }
2263 cd95becd 2019-11-29 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2264 cd95becd 2019-11-29 stsp if (iremotes.nremotes == 0) {
2265 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2266 cd95becd 2019-11-29 stsp return NULL;
2267 cd95becd 2019-11-29 stsp }
2268 aba9c984 2019-09-08 stsp break;
2269 aba9c984 2019-09-08 stsp default:
2270 54b1c5b5 2020-02-22 stsp imsg_free(&imsg);
2271 54b1c5b5 2020-02-22 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2272 aba9c984 2019-09-08 stsp }
2273 aba9c984 2019-09-08 stsp
2274 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2275 cd95becd 2019-11-29 stsp
2276 5146eb39 2020-03-20 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2277 cd95becd 2019-11-29 stsp if (*remotes == NULL)
2278 cd95becd 2019-11-29 stsp return got_error_from_errno("recallocarray");
2279 cd95becd 2019-11-29 stsp
2280 cd95becd 2019-11-29 stsp while (*nremotes < iremotes.nremotes) {
2281 cd95becd 2019-11-29 stsp struct got_remote_repo *remote;
2282 3168e5da 2020-09-10 stsp
2283 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremote));
2284 cd95becd 2019-11-29 stsp if (err)
2285 cd95becd 2019-11-29 stsp break;
2286 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2287 cd95becd 2019-11-29 stsp
2288 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2289 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTE:
2290 cd95becd 2019-11-29 stsp remote = &(*remotes)[*nremotes];
2291 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2292 cd95becd 2019-11-29 stsp if (datalen < sizeof(iremote)) {
2293 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2294 cd95becd 2019-11-29 stsp break;
2295 cd95becd 2019-11-29 stsp }
2296 cd95becd 2019-11-29 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2297 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2298 6480c871 2021-08-30 stsp iremote.fetch_url_len == 0 ||
2299 6480c871 2021-08-30 stsp iremote.send_url_len == 0 ||
2300 cd95becd 2019-11-29 stsp (sizeof(iremote) + iremote.name_len +
2301 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) > datalen) {
2302 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2303 cd95becd 2019-11-29 stsp break;
2304 cd95becd 2019-11-29 stsp }
2305 cd95becd 2019-11-29 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2306 cd95becd 2019-11-29 stsp iremote.name_len);
2307 cd95becd 2019-11-29 stsp if (remote->name == NULL) {
2308 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2309 cd95becd 2019-11-29 stsp break;
2310 cd95becd 2019-11-29 stsp }
2311 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data + sizeof(iremote) +
2312 6480c871 2021-08-30 stsp iremote.name_len, iremote.fetch_url_len);
2313 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2314 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2315 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2316 cd95becd 2019-11-29 stsp break;
2317 cd95becd 2019-11-29 stsp }
2318 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data + sizeof(iremote) +
2319 6480c871 2021-08-30 stsp iremote.name_len + iremote.fetch_url_len,
2320 6480c871 2021-08-30 stsp iremote.send_url_len);
2321 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2322 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2323 6480c871 2021-08-30 stsp free_remote_data(remote);
2324 6480c871 2021-08-30 stsp break;
2325 6480c871 2021-08-30 stsp }
2326 469dd726 2020-03-20 stsp remote->mirror_references = iremote.mirror_references;
2327 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2328 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2329 6480c871 2021-08-30 stsp remote->fetch_branches = NULL;
2330 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2331 6480c871 2021-08-30 stsp remote->send_branches = NULL;
2332 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2333 6480c871 2021-08-30 stsp remote->fetch_refs = NULL;
2334 cd95becd 2019-11-29 stsp (*nremotes)++;
2335 cd95becd 2019-11-29 stsp break;
2336 cd95becd 2019-11-29 stsp default:
2337 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2338 cd95becd 2019-11-29 stsp break;
2339 cd95becd 2019-11-29 stsp }
2340 cd95becd 2019-11-29 stsp
2341 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2342 cd95becd 2019-11-29 stsp if (err)
2343 cd95becd 2019-11-29 stsp break;
2344 cd95becd 2019-11-29 stsp }
2345 cd95becd 2019-11-29 stsp
2346 cd95becd 2019-11-29 stsp if (err) {
2347 cd95becd 2019-11-29 stsp int i;
2348 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2349 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2350 cd95becd 2019-11-29 stsp free(*remotes);
2351 cd95becd 2019-11-29 stsp *remotes = NULL;
2352 cd95becd 2019-11-29 stsp *nremotes = 0;
2353 cd95becd 2019-11-29 stsp }
2354 aba9c984 2019-09-08 stsp return err;
2355 257add31 2020-09-09 stsp }
2356 257add31 2020-09-09 stsp
2357 257add31 2020-09-09 stsp const struct got_error *
2358 257add31 2020-09-09 stsp got_privsep_send_gotconfig_parse_req(struct imsgbuf *ibuf, int fd)
2359 257add31 2020-09-09 stsp {
2360 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2361 257add31 2020-09-09 stsp
2362 257add31 2020-09-09 stsp if (imsg_compose(ibuf, GOT_IMSG_GOTCONFIG_PARSE_REQUEST, 0, 0, fd,
2363 257add31 2020-09-09 stsp NULL, 0) == -1) {
2364 257add31 2020-09-09 stsp err = got_error_from_errno("imsg_compose "
2365 257add31 2020-09-09 stsp "GOTCONFIG_PARSE_REQUEST");
2366 257add31 2020-09-09 stsp close(fd);
2367 257add31 2020-09-09 stsp return err;
2368 257add31 2020-09-09 stsp }
2369 257add31 2020-09-09 stsp
2370 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2371 257add31 2020-09-09 stsp }
2372 257add31 2020-09-09 stsp
2373 257add31 2020-09-09 stsp const struct got_error *
2374 257add31 2020-09-09 stsp got_privsep_send_gotconfig_author_req(struct imsgbuf *ibuf)
2375 257add31 2020-09-09 stsp {
2376 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2377 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_AUTHOR_REQUEST, 0, 0, -1, NULL, 0) == -1)
2378 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2379 257add31 2020-09-09 stsp "GOTCONFIG_AUTHOR_REQUEST");
2380 257add31 2020-09-09 stsp
2381 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2382 ca6e02ac 2020-01-07 stsp }
2383 ca6e02ac 2020-01-07 stsp
2384 ca6e02ac 2020-01-07 stsp const struct got_error *
2385 257add31 2020-09-09 stsp got_privsep_send_gotconfig_remotes_req(struct imsgbuf *ibuf)
2386 257add31 2020-09-09 stsp {
2387 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2388 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2389 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2390 257add31 2020-09-09 stsp "GOTCONFIG_REMOTE_REQUEST");
2391 257add31 2020-09-09 stsp
2392 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2393 257add31 2020-09-09 stsp }
2394 257add31 2020-09-09 stsp
2395 257add31 2020-09-09 stsp const struct got_error *
2396 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_str(char **str, struct imsgbuf *ibuf)
2397 257add31 2020-09-09 stsp {
2398 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2399 257add31 2020-09-09 stsp struct imsg imsg;
2400 257add31 2020-09-09 stsp size_t datalen;
2401 257add31 2020-09-09 stsp const size_t min_datalen = 0;
2402 257add31 2020-09-09 stsp
2403 257add31 2020-09-09 stsp *str = NULL;
2404 257add31 2020-09-09 stsp
2405 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2406 257add31 2020-09-09 stsp if (err)
2407 257add31 2020-09-09 stsp return err;
2408 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2409 257add31 2020-09-09 stsp
2410 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2411 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2412 257add31 2020-09-09 stsp if (datalen < sizeof(struct got_imsg_error)) {
2413 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2414 257add31 2020-09-09 stsp break;
2415 257add31 2020-09-09 stsp }
2416 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2417 257add31 2020-09-09 stsp break;
2418 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_STR_VAL:
2419 257add31 2020-09-09 stsp if (datalen == 0)
2420 257add31 2020-09-09 stsp break;
2421 5874ea87 2020-09-18 stsp /* datalen does not include terminating \0 */
2422 5874ea87 2020-09-18 stsp *str = malloc(datalen + 1);
2423 257add31 2020-09-09 stsp if (*str == NULL) {
2424 257add31 2020-09-09 stsp err = got_error_from_errno("malloc");
2425 257add31 2020-09-09 stsp break;
2426 257add31 2020-09-09 stsp }
2427 5874ea87 2020-09-18 stsp memcpy(*str, imsg.data, datalen);
2428 5874ea87 2020-09-18 stsp (*str)[datalen] = '\0';
2429 257add31 2020-09-09 stsp break;
2430 257add31 2020-09-09 stsp default:
2431 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2432 257add31 2020-09-09 stsp break;
2433 257add31 2020-09-09 stsp }
2434 257add31 2020-09-09 stsp
2435 257add31 2020-09-09 stsp imsg_free(&imsg);
2436 257add31 2020-09-09 stsp return err;
2437 257add31 2020-09-09 stsp }
2438 257add31 2020-09-09 stsp
2439 257add31 2020-09-09 stsp const struct got_error *
2440 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_remotes(struct got_remote_repo **remotes,
2441 257add31 2020-09-09 stsp int *nremotes, struct imsgbuf *ibuf)
2442 257add31 2020-09-09 stsp {
2443 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2444 257add31 2020-09-09 stsp struct imsg imsg;
2445 257add31 2020-09-09 stsp size_t datalen;
2446 257add31 2020-09-09 stsp struct got_imsg_remotes iremotes;
2447 257add31 2020-09-09 stsp struct got_imsg_remote iremote;
2448 257add31 2020-09-09 stsp const size_t min_datalen =
2449 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremotes));
2450 257add31 2020-09-09 stsp
2451 257add31 2020-09-09 stsp *remotes = NULL;
2452 257add31 2020-09-09 stsp *nremotes = 0;
2453 257add31 2020-09-09 stsp iremotes.nremotes = 0;
2454 257add31 2020-09-09 stsp
2455 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2456 257add31 2020-09-09 stsp if (err)
2457 257add31 2020-09-09 stsp return err;
2458 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2459 257add31 2020-09-09 stsp
2460 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2461 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2462 257add31 2020-09-09 stsp if (datalen < sizeof(struct got_imsg_error)) {
2463 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2464 257add31 2020-09-09 stsp break;
2465 257add31 2020-09-09 stsp }
2466 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2467 257add31 2020-09-09 stsp break;
2468 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTES:
2469 257add31 2020-09-09 stsp if (datalen != sizeof(iremotes)) {
2470 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2471 257add31 2020-09-09 stsp break;
2472 257add31 2020-09-09 stsp }
2473 257add31 2020-09-09 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2474 257add31 2020-09-09 stsp if (iremotes.nremotes == 0) {
2475 257add31 2020-09-09 stsp imsg_free(&imsg);
2476 257add31 2020-09-09 stsp return NULL;
2477 257add31 2020-09-09 stsp }
2478 257add31 2020-09-09 stsp break;
2479 257add31 2020-09-09 stsp default:
2480 257add31 2020-09-09 stsp imsg_free(&imsg);
2481 257add31 2020-09-09 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2482 257add31 2020-09-09 stsp }
2483 257add31 2020-09-09 stsp
2484 257add31 2020-09-09 stsp imsg_free(&imsg);
2485 257add31 2020-09-09 stsp
2486 257add31 2020-09-09 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2487 257add31 2020-09-09 stsp if (*remotes == NULL)
2488 257add31 2020-09-09 stsp return got_error_from_errno("recallocarray");
2489 257add31 2020-09-09 stsp
2490 257add31 2020-09-09 stsp while (*nremotes < iremotes.nremotes) {
2491 257add31 2020-09-09 stsp struct got_remote_repo *remote;
2492 257add31 2020-09-09 stsp const size_t min_datalen =
2493 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremote));
2494 b8adfa55 2020-09-25 stsp int i;
2495 257add31 2020-09-09 stsp
2496 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2497 257add31 2020-09-09 stsp if (err)
2498 257add31 2020-09-09 stsp break;
2499 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2500 257add31 2020-09-09 stsp
2501 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2502 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2503 257add31 2020-09-09 stsp if (datalen < sizeof(struct got_imsg_error)) {
2504 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2505 257add31 2020-09-09 stsp break;
2506 257add31 2020-09-09 stsp }
2507 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2508 257add31 2020-09-09 stsp break;
2509 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTE:
2510 257add31 2020-09-09 stsp remote = &(*remotes)[*nremotes];
2511 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2512 257add31 2020-09-09 stsp if (datalen < sizeof(iremote)) {
2513 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2514 257add31 2020-09-09 stsp break;
2515 257add31 2020-09-09 stsp }
2516 257add31 2020-09-09 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2517 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2518 6480c871 2021-08-30 stsp (iremote.fetch_url_len == 0 &&
2519 6480c871 2021-08-30 stsp iremote.send_url_len == 0) ||
2520 257add31 2020-09-09 stsp (sizeof(iremote) + iremote.name_len +
2521 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) >
2522 6480c871 2021-08-30 stsp datalen) {
2523 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2524 257add31 2020-09-09 stsp break;
2525 257add31 2020-09-09 stsp }
2526 257add31 2020-09-09 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2527 257add31 2020-09-09 stsp iremote.name_len);
2528 257add31 2020-09-09 stsp if (remote->name == NULL) {
2529 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2530 257add31 2020-09-09 stsp break;
2531 257add31 2020-09-09 stsp }
2532 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data +
2533 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len,
2534 6480c871 2021-08-30 stsp iremote.fetch_url_len);
2535 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2536 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2537 6480c871 2021-08-30 stsp free_remote_data(remote);
2538 6480c871 2021-08-30 stsp break;
2539 6480c871 2021-08-30 stsp }
2540 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data +
2541 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len +
2542 6480c871 2021-08-30 stsp iremote.fetch_url_len, iremote.send_url_len);
2543 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2544 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2545 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2546 257add31 2020-09-09 stsp break;
2547 257add31 2020-09-09 stsp }
2548 257add31 2020-09-09 stsp remote->mirror_references = iremote.mirror_references;
2549 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2550 6480c871 2021-08-30 stsp if (iremote.nfetch_branches > 0) {
2551 6480c871 2021-08-30 stsp remote->fetch_branches = recallocarray(NULL, 0,
2552 6480c871 2021-08-30 stsp iremote.nfetch_branches, sizeof(char *));
2553 6480c871 2021-08-30 stsp if (remote->fetch_branches == NULL) {
2554 b8adfa55 2020-09-25 stsp err = got_error_from_errno("calloc");
2555 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2556 b8adfa55 2020-09-25 stsp break;
2557 b8adfa55 2020-09-25 stsp }
2558 b8adfa55 2020-09-25 stsp }
2559 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2560 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_branches; i++) {
2561 b8adfa55 2020-09-25 stsp char *branch;
2562 b8adfa55 2020-09-25 stsp err = got_privsep_recv_gotconfig_str(&branch,
2563 b8adfa55 2020-09-25 stsp ibuf);
2564 b8adfa55 2020-09-25 stsp if (err) {
2565 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2566 b8adfa55 2020-09-25 stsp goto done;
2567 b8adfa55 2020-09-25 stsp }
2568 6480c871 2021-08-30 stsp remote->fetch_branches[i] = branch;
2569 6480c871 2021-08-30 stsp remote->nfetch_branches++;
2570 99495ddb 2021-01-10 stsp }
2571 6480c871 2021-08-30 stsp if (iremote.nsend_branches > 0) {
2572 6480c871 2021-08-30 stsp remote->send_branches = recallocarray(NULL, 0,
2573 6480c871 2021-08-30 stsp iremote.nsend_branches, sizeof(char *));
2574 6480c871 2021-08-30 stsp if (remote->send_branches == NULL) {
2575 99495ddb 2021-01-10 stsp err = got_error_from_errno("calloc");
2576 99495ddb 2021-01-10 stsp free_remote_data(remote);
2577 99495ddb 2021-01-10 stsp break;
2578 99495ddb 2021-01-10 stsp }
2579 b8adfa55 2020-09-25 stsp }
2580 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2581 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nsend_branches; i++) {
2582 6480c871 2021-08-30 stsp char *branch;
2583 6480c871 2021-08-30 stsp err = got_privsep_recv_gotconfig_str(&branch,
2584 6480c871 2021-08-30 stsp ibuf);
2585 6480c871 2021-08-30 stsp if (err) {
2586 6480c871 2021-08-30 stsp free_remote_data(remote);
2587 6480c871 2021-08-30 stsp goto done;
2588 6480c871 2021-08-30 stsp }
2589 6480c871 2021-08-30 stsp remote->send_branches[i] = branch;
2590 6480c871 2021-08-30 stsp remote->nsend_branches++;
2591 6480c871 2021-08-30 stsp }
2592 6480c871 2021-08-30 stsp if (iremote.nfetch_refs > 0) {
2593 6480c871 2021-08-30 stsp remote->fetch_refs = recallocarray(NULL, 0,
2594 6480c871 2021-08-30 stsp iremote.nfetch_refs, sizeof(char *));
2595 6480c871 2021-08-30 stsp if (remote->fetch_refs == NULL) {
2596 6480c871 2021-08-30 stsp err = got_error_from_errno("calloc");
2597 6480c871 2021-08-30 stsp free_remote_data(remote);
2598 6480c871 2021-08-30 stsp break;
2599 6480c871 2021-08-30 stsp }
2600 6480c871 2021-08-30 stsp }
2601 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2602 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_refs; i++) {
2603 99495ddb 2021-01-10 stsp char *ref;
2604 99495ddb 2021-01-10 stsp err = got_privsep_recv_gotconfig_str(&ref,
2605 99495ddb 2021-01-10 stsp ibuf);
2606 99495ddb 2021-01-10 stsp if (err) {
2607 99495ddb 2021-01-10 stsp free_remote_data(remote);
2608 99495ddb 2021-01-10 stsp goto done;
2609 99495ddb 2021-01-10 stsp }
2610 6480c871 2021-08-30 stsp remote->fetch_refs[i] = ref;
2611 6480c871 2021-08-30 stsp remote->nfetch_refs++;
2612 99495ddb 2021-01-10 stsp }
2613 257add31 2020-09-09 stsp (*nremotes)++;
2614 257add31 2020-09-09 stsp break;
2615 257add31 2020-09-09 stsp default:
2616 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2617 257add31 2020-09-09 stsp break;
2618 257add31 2020-09-09 stsp }
2619 257add31 2020-09-09 stsp
2620 257add31 2020-09-09 stsp imsg_free(&imsg);
2621 257add31 2020-09-09 stsp if (err)
2622 257add31 2020-09-09 stsp break;
2623 257add31 2020-09-09 stsp }
2624 b8adfa55 2020-09-25 stsp done:
2625 257add31 2020-09-09 stsp if (err) {
2626 257add31 2020-09-09 stsp int i;
2627 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2628 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2629 257add31 2020-09-09 stsp free(*remotes);
2630 257add31 2020-09-09 stsp *remotes = NULL;
2631 257add31 2020-09-09 stsp *nremotes = 0;
2632 257add31 2020-09-09 stsp }
2633 257add31 2020-09-09 stsp return err;
2634 257add31 2020-09-09 stsp }
2635 257add31 2020-09-09 stsp
2636 257add31 2020-09-09 stsp const struct got_error *
2637 ca6e02ac 2020-01-07 stsp got_privsep_send_commit_traversal_request(struct imsgbuf *ibuf,
2638 abc59930 2021-09-05 naddy struct got_object_id *id, int idx, const char *path)
2639 ca6e02ac 2020-01-07 stsp {
2640 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
2641 ca6e02ac 2020-01-07 stsp struct ibuf *wbuf;
2642 ca6e02ac 2020-01-07 stsp size_t path_len = strlen(path) + 1;
2643 ca6e02ac 2020-01-07 stsp
2644 ca6e02ac 2020-01-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_COMMIT_TRAVERSAL_REQUEST, 0, 0,
2645 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_traversal_request) + path_len);
2646 ca6e02ac 2020-01-07 stsp if (wbuf == NULL)
2647 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
2648 ca6e02ac 2020-01-07 stsp "imsg_create COMMIT_TRAVERSAL_REQUEST");
2649 ca6e02ac 2020-01-07 stsp if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1) {
2650 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("imsg_add COMMIT_TRAVERSAL_REQUEST");
2651 ca6e02ac 2020-01-07 stsp ibuf_free(wbuf);
2652 ca6e02ac 2020-01-07 stsp return err;
2653 ca6e02ac 2020-01-07 stsp }
2654 ca6e02ac 2020-01-07 stsp if (imsg_add(wbuf, &idx, sizeof(idx)) == -1) {
2655 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("imsg_add COMMIT_TRAVERSAL_REQUEST");
2656 ca6e02ac 2020-01-07 stsp ibuf_free(wbuf);
2657 ca6e02ac 2020-01-07 stsp return err;
2658 ca6e02ac 2020-01-07 stsp }
2659 ca6e02ac 2020-01-07 stsp if (imsg_add(wbuf, path, path_len) == -1) {
2660 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("imsg_add COMMIT_TRAVERSAL_REQUEST");
2661 ca6e02ac 2020-01-07 stsp ibuf_free(wbuf);
2662 ca6e02ac 2020-01-07 stsp return err;
2663 ca6e02ac 2020-01-07 stsp }
2664 ca6e02ac 2020-01-07 stsp
2665 ca6e02ac 2020-01-07 stsp wbuf->fd = -1;
2666 ca6e02ac 2020-01-07 stsp imsg_close(ibuf, wbuf);
2667 ca6e02ac 2020-01-07 stsp
2668 ca6e02ac 2020-01-07 stsp return flush_imsg(ibuf);
2669 ca6e02ac 2020-01-07 stsp }
2670 ca6e02ac 2020-01-07 stsp
2671 ca6e02ac 2020-01-07 stsp const struct got_error *
2672 ca6e02ac 2020-01-07 stsp got_privsep_recv_traversed_commits(struct got_commit_object **changed_commit,
2673 ca6e02ac 2020-01-07 stsp struct got_object_id **changed_commit_id,
2674 ca6e02ac 2020-01-07 stsp struct got_object_id_queue *commit_ids, struct imsgbuf *ibuf)
2675 ca6e02ac 2020-01-07 stsp {
2676 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
2677 ca6e02ac 2020-01-07 stsp struct imsg imsg;
2678 ca6e02ac 2020-01-07 stsp struct got_imsg_traversed_commits *icommits;
2679 ca6e02ac 2020-01-07 stsp size_t datalen;
2680 ca6e02ac 2020-01-07 stsp int i, done = 0;
2681 ca6e02ac 2020-01-07 stsp
2682 ca6e02ac 2020-01-07 stsp *changed_commit = NULL;
2683 ca6e02ac 2020-01-07 stsp *changed_commit_id = NULL;
2684 ca6e02ac 2020-01-07 stsp
2685 ca6e02ac 2020-01-07 stsp while (!done) {
2686 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2687 ca6e02ac 2020-01-07 stsp if (err)
2688 ca6e02ac 2020-01-07 stsp return err;
2689 ca6e02ac 2020-01-07 stsp
2690 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2691 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
2692 ca6e02ac 2020-01-07 stsp case GOT_IMSG_TRAVERSED_COMMITS:
2693 ca6e02ac 2020-01-07 stsp icommits = imsg.data;
2694 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommits) +
2695 ca6e02ac 2020-01-07 stsp icommits->ncommits * SHA1_DIGEST_LENGTH) {
2696 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2697 ca6e02ac 2020-01-07 stsp break;
2698 ca6e02ac 2020-01-07 stsp }
2699 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommits->ncommits; i++) {
2700 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
2701 ca6e02ac 2020-01-07 stsp uint8_t *sha1 = (uint8_t *)imsg.data +
2702 ca6e02ac 2020-01-07 stsp sizeof(*icommits) + i * SHA1_DIGEST_LENGTH;
2703 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
2704 ca6e02ac 2020-01-07 stsp if (err)
2705 ca6e02ac 2020-01-07 stsp break;
2706 ec242592 2022-04-22 thomas memcpy(qid->id.sha1, sha1, SHA1_DIGEST_LENGTH);
2707 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(commit_ids, qid, entry);
2708 ca6e02ac 2020-01-07 stsp
2709 ca6e02ac 2020-01-07 stsp /* The last commit may contain a change. */
2710 ca6e02ac 2020-01-07 stsp if (i == icommits->ncommits - 1) {
2711 ca6e02ac 2020-01-07 stsp *changed_commit_id =
2712 ec242592 2022-04-22 thomas got_object_id_dup(&qid->id);
2713 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2714 ca6e02ac 2020-01-07 stsp err = got_error_from_errno(
2715 ca6e02ac 2020-01-07 stsp "got_object_id_dup");
2716 ca6e02ac 2020-01-07 stsp break;
2717 ca6e02ac 2020-01-07 stsp }
2718 ca6e02ac 2020-01-07 stsp }
2719 ca6e02ac 2020-01-07 stsp }
2720 ca6e02ac 2020-01-07 stsp break;
2721 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
2722 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2723 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2724 ca6e02ac 2020-01-07 stsp break;
2725 ca6e02ac 2020-01-07 stsp }
2726 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(changed_commit, &imsg,
2727 ca6e02ac 2020-01-07 stsp datalen, ibuf);
2728 ca6e02ac 2020-01-07 stsp break;
2729 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT_TRAVERSAL_DONE:
2730 ca6e02ac 2020-01-07 stsp done = 1;
2731 ca6e02ac 2020-01-07 stsp break;
2732 ca6e02ac 2020-01-07 stsp default:
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
2737 ca6e02ac 2020-01-07 stsp imsg_free(&imsg);
2738 ca6e02ac 2020-01-07 stsp if (err)
2739 ca6e02ac 2020-01-07 stsp break;
2740 ca6e02ac 2020-01-07 stsp }
2741 ca6e02ac 2020-01-07 stsp
2742 ca6e02ac 2020-01-07 stsp if (err)
2743 ca6e02ac 2020-01-07 stsp got_object_id_queue_free(commit_ids);
2744 ca6e02ac 2020-01-07 stsp return err;
2745 f9c2e8e5 2022-02-13 thomas }
2746 f9c2e8e5 2022-02-13 thomas
2747 f9c2e8e5 2022-02-13 thomas const struct got_error *
2748 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta_req(struct imsgbuf *ibuf, int idx,
2749 f9c2e8e5 2022-02-13 thomas struct got_object_id *id)
2750 f9c2e8e5 2022-02-13 thomas {
2751 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta_request dreq;
2752 f9c2e8e5 2022-02-13 thomas
2753 f9c2e8e5 2022-02-13 thomas dreq.idx = idx;
2754 f9c2e8e5 2022-02-13 thomas memcpy(dreq.id, id->sha1, SHA1_DIGEST_LENGTH);
2755 f9c2e8e5 2022-02-13 thomas
2756 f9c2e8e5 2022-02-13 thomas if (imsg_compose(ibuf, GOT_IMSG_RAW_DELTA_REQUEST, 0, 0, -1,
2757 f9c2e8e5 2022-02-13 thomas &dreq, sizeof(dreq)) == -1)
2758 f9c2e8e5 2022-02-13 thomas return got_error_from_errno("imsg_compose RAW_DELTA_REQUEST");
2759 f9c2e8e5 2022-02-13 thomas
2760 f9c2e8e5 2022-02-13 thomas return flush_imsg(ibuf);
2761 f9c2e8e5 2022-02-13 thomas }
2762 f9c2e8e5 2022-02-13 thomas
2763 f9c2e8e5 2022-02-13 thomas const struct got_error *
2764 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta_outfd(struct imsgbuf *ibuf, int fd)
2765 f9c2e8e5 2022-02-13 thomas {
2766 f9c2e8e5 2022-02-13 thomas return send_fd(ibuf, GOT_IMSG_RAW_DELTA_OUTFD, fd);
2767 f9c2e8e5 2022-02-13 thomas }
2768 f9c2e8e5 2022-02-13 thomas
2769 f9c2e8e5 2022-02-13 thomas const struct got_error *
2770 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta(struct imsgbuf *ibuf, uint64_t base_size,
2771 9249e7e3 2022-05-12 thomas uint64_t result_size, off_t delta_size, off_t delta_compressed_size,
2772 9249e7e3 2022-05-12 thomas off_t delta_offset, off_t delta_out_offset, struct got_object_id *base_id)
2773 f9c2e8e5 2022-02-13 thomas {
2774 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta idelta;
2775 f9c2e8e5 2022-02-13 thomas int ret;
2776 f9c2e8e5 2022-02-13 thomas
2777 f9c2e8e5 2022-02-13 thomas idelta.base_size = base_size;
2778 f9c2e8e5 2022-02-13 thomas idelta.result_size = result_size;
2779 f9c2e8e5 2022-02-13 thomas idelta.delta_size = delta_size;
2780 9249e7e3 2022-05-12 thomas idelta.delta_compressed_size = delta_compressed_size;
2781 f9c2e8e5 2022-02-13 thomas idelta.delta_offset = delta_offset;
2782 f9c2e8e5 2022-02-13 thomas idelta.delta_out_offset = delta_out_offset;
2783 f9c2e8e5 2022-02-13 thomas memcpy(idelta.base_id, base_id->sha1, SHA1_DIGEST_LENGTH);
2784 f9c2e8e5 2022-02-13 thomas
2785 f9c2e8e5 2022-02-13 thomas ret = imsg_compose(ibuf, GOT_IMSG_RAW_DELTA, 0, 0, -1,
2786 f9c2e8e5 2022-02-13 thomas &idelta, sizeof(idelta));
2787 f9c2e8e5 2022-02-13 thomas if (ret == -1)
2788 f9c2e8e5 2022-02-13 thomas return got_error_from_errno("imsg_compose RAW_DELTA");
2789 f9c2e8e5 2022-02-13 thomas
2790 f9c2e8e5 2022-02-13 thomas return flush_imsg(ibuf);
2791 ca6e02ac 2020-01-07 stsp }
2792 ca6e02ac 2020-01-07 stsp
2793 ca6e02ac 2020-01-07 stsp const struct got_error *
2794 f9c2e8e5 2022-02-13 thomas got_privsep_recv_raw_delta(uint64_t *base_size, uint64_t *result_size,
2795 9249e7e3 2022-05-12 thomas off_t *delta_size, off_t *delta_compressed_size, off_t *delta_offset,
2796 9249e7e3 2022-05-12 thomas off_t *delta_out_offset, struct got_object_id **base_id, struct imsgbuf *ibuf)
2797 f9c2e8e5 2022-02-13 thomas {
2798 f9c2e8e5 2022-02-13 thomas const struct got_error *err = NULL;
2799 f9c2e8e5 2022-02-13 thomas struct imsg imsg;
2800 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta *delta;
2801 f9c2e8e5 2022-02-13 thomas size_t datalen;
2802 f9c2e8e5 2022-02-13 thomas
2803 f9c2e8e5 2022-02-13 thomas *base_size = 0;
2804 f9c2e8e5 2022-02-13 thomas *result_size = 0;
2805 f9c2e8e5 2022-02-13 thomas *delta_size = 0;
2806 9249e7e3 2022-05-12 thomas *delta_compressed_size = 0;
2807 f9c2e8e5 2022-02-13 thomas *delta_offset = 0;
2808 f9c2e8e5 2022-02-13 thomas *delta_out_offset = 0;
2809 f9c2e8e5 2022-02-13 thomas *base_id = NULL;
2810 f9c2e8e5 2022-02-13 thomas
2811 f9c2e8e5 2022-02-13 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2812 f9c2e8e5 2022-02-13 thomas if (err)
2813 f9c2e8e5 2022-02-13 thomas return err;
2814 f9c2e8e5 2022-02-13 thomas
2815 f9c2e8e5 2022-02-13 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2816 f9c2e8e5 2022-02-13 thomas
2817 f9c2e8e5 2022-02-13 thomas switch (imsg.hdr.type) {
2818 f9c2e8e5 2022-02-13 thomas case GOT_IMSG_RAW_DELTA:
2819 f9c2e8e5 2022-02-13 thomas if (datalen != sizeof(*delta)) {
2820 f9c2e8e5 2022-02-13 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2821 f9c2e8e5 2022-02-13 thomas break;
2822 f9c2e8e5 2022-02-13 thomas }
2823 f9c2e8e5 2022-02-13 thomas delta = imsg.data;
2824 f9c2e8e5 2022-02-13 thomas *base_size = delta->base_size;
2825 f9c2e8e5 2022-02-13 thomas *result_size = delta->result_size;
2826 f9c2e8e5 2022-02-13 thomas *delta_size = delta->delta_size;
2827 9249e7e3 2022-05-12 thomas *delta_compressed_size = delta->delta_compressed_size;
2828 f9c2e8e5 2022-02-13 thomas *delta_offset = delta->delta_offset;
2829 f9c2e8e5 2022-02-13 thomas *delta_out_offset = delta->delta_out_offset;
2830 f9c2e8e5 2022-02-13 thomas *base_id = calloc(1, sizeof(**base_id));
2831 f9c2e8e5 2022-02-13 thomas if (*base_id == NULL) {
2832 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("malloc");
2833 f9c2e8e5 2022-02-13 thomas break;
2834 f9c2e8e5 2022-02-13 thomas }
2835 f9c2e8e5 2022-02-13 thomas memcpy((*base_id)->sha1, delta->base_id, SHA1_DIGEST_LENGTH);
2836 f9c2e8e5 2022-02-13 thomas break;
2837 f9c2e8e5 2022-02-13 thomas default:
2838 f9c2e8e5 2022-02-13 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2839 f9c2e8e5 2022-02-13 thomas break;
2840 f9c2e8e5 2022-02-13 thomas }
2841 f9c2e8e5 2022-02-13 thomas
2842 f9c2e8e5 2022-02-13 thomas imsg_free(&imsg);
2843 f9c2e8e5 2022-02-13 thomas
2844 f9c2e8e5 2022-02-13 thomas if (err) {
2845 f9c2e8e5 2022-02-13 thomas free(*base_id);
2846 f9c2e8e5 2022-02-13 thomas *base_id = NULL;
2847 7d0d4920 2022-05-12 thomas }
2848 7d0d4920 2022-05-12 thomas return err;
2849 7d0d4920 2022-05-12 thomas }
2850 7d0d4920 2022-05-12 thomas
2851 7d0d4920 2022-05-12 thomas const struct got_error *
2852 7d0d4920 2022-05-12 thomas got_privsep_send_object_idlist(struct imsgbuf *ibuf,
2853 7d0d4920 2022-05-12 thomas struct got_object_id **ids, size_t nids)
2854 7d0d4920 2022-05-12 thomas {
2855 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
2856 7d0d4920 2022-05-12 thomas struct got_imsg_object_idlist idlist;
2857 7d0d4920 2022-05-12 thomas struct ibuf *wbuf;
2858 7d0d4920 2022-05-12 thomas size_t i;
2859 7d0d4920 2022-05-12 thomas
2860 7d0d4920 2022-05-12 thomas if (nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS)
2861 7d0d4920 2022-05-12 thomas return got_error(GOT_ERR_NO_SPACE);
2862 7d0d4920 2022-05-12 thomas
2863 7d0d4920 2022-05-12 thomas wbuf = imsg_create(ibuf, GOT_IMSG_OBJ_ID_LIST, 0, 0,
2864 7d0d4920 2022-05-12 thomas sizeof(idlist) + nids * sizeof(**ids));
2865 7d0d4920 2022-05-12 thomas if (wbuf == NULL) {
2866 7d0d4920 2022-05-12 thomas err = got_error_from_errno("imsg_create OBJ_ID_LIST");
2867 7d0d4920 2022-05-12 thomas return err;
2868 7d0d4920 2022-05-12 thomas }
2869 7d0d4920 2022-05-12 thomas
2870 7d0d4920 2022-05-12 thomas idlist.nids = nids;
2871 7d0d4920 2022-05-12 thomas if (imsg_add(wbuf, &idlist, sizeof(idlist)) == -1) {
2872 7d0d4920 2022-05-12 thomas err = got_error_from_errno("imsg_add OBJ_ID_LIST");
2873 7d0d4920 2022-05-12 thomas ibuf_free(wbuf);
2874 7d0d4920 2022-05-12 thomas return err;
2875 7d0d4920 2022-05-12 thomas }
2876 7d0d4920 2022-05-12 thomas
2877 7d0d4920 2022-05-12 thomas for (i = 0; i < nids; i++) {
2878 7d0d4920 2022-05-12 thomas struct got_object_id *id = ids[i];
2879 7d0d4920 2022-05-12 thomas if (imsg_add(wbuf, id, sizeof(*id)) == -1) {
2880 7d0d4920 2022-05-12 thomas err = got_error_from_errno("imsg_add OBJ_ID_LIST");
2881 7d0d4920 2022-05-12 thomas ibuf_free(wbuf);
2882 7d0d4920 2022-05-12 thomas return err;
2883 7d0d4920 2022-05-12 thomas }
2884 7d0d4920 2022-05-12 thomas }
2885 7d0d4920 2022-05-12 thomas
2886 7d0d4920 2022-05-12 thomas wbuf->fd = -1;
2887 7d0d4920 2022-05-12 thomas imsg_close(ibuf, wbuf);
2888 7d0d4920 2022-05-12 thomas
2889 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
2890 7d0d4920 2022-05-12 thomas }
2891 7d0d4920 2022-05-12 thomas
2892 7d0d4920 2022-05-12 thomas const struct got_error *
2893 7d0d4920 2022-05-12 thomas got_privsep_send_object_idlist_done(struct imsgbuf *ibuf)
2894 7d0d4920 2022-05-12 thomas {
2895 7d0d4920 2022-05-12 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJ_ID_LIST_DONE, 0, 0, -1, NULL, 0)
2896 7d0d4920 2022-05-12 thomas == -1)
2897 7d0d4920 2022-05-12 thomas return got_error_from_errno("imsg_compose OBJ_ID_LIST_DONE");
2898 7d0d4920 2022-05-12 thomas
2899 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
2900 7d0d4920 2022-05-12 thomas }
2901 7d0d4920 2022-05-12 thomas
2902 7d0d4920 2022-05-12 thomas const struct got_error *
2903 7d0d4920 2022-05-12 thomas got_privsep_recv_object_idlist(int *done, struct got_object_id **ids,
2904 7d0d4920 2022-05-12 thomas size_t *nids, struct imsgbuf *ibuf)
2905 7d0d4920 2022-05-12 thomas {
2906 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
2907 7d0d4920 2022-05-12 thomas struct imsg imsg;
2908 7d0d4920 2022-05-12 thomas struct got_imsg_object_idlist *idlist;
2909 7d0d4920 2022-05-12 thomas size_t datalen;
2910 7d0d4920 2022-05-12 thomas
2911 7d0d4920 2022-05-12 thomas *ids = NULL;
2912 7d0d4920 2022-05-12 thomas *done = 0;
2913 7d0d4920 2022-05-12 thomas *nids = 0;
2914 7d0d4920 2022-05-12 thomas
2915 7d0d4920 2022-05-12 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2916 7d0d4920 2022-05-12 thomas if (err)
2917 7d0d4920 2022-05-12 thomas return err;
2918 7d0d4920 2022-05-12 thomas
2919 7d0d4920 2022-05-12 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2920 7d0d4920 2022-05-12 thomas switch (imsg.hdr.type) {
2921 7d0d4920 2022-05-12 thomas case GOT_IMSG_OBJ_ID_LIST:
2922 7d0d4920 2022-05-12 thomas if (datalen < sizeof(*idlist)) {
2923 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2924 7d0d4920 2022-05-12 thomas break;
2925 7d0d4920 2022-05-12 thomas }
2926 7d0d4920 2022-05-12 thomas idlist = imsg.data;
2927 7d0d4920 2022-05-12 thomas if (idlist->nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS) {
2928 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2929 7d0d4920 2022-05-12 thomas break;
2930 7d0d4920 2022-05-12 thomas }
2931 7d0d4920 2022-05-12 thomas *nids = idlist->nids;
2932 7d0d4920 2022-05-12 thomas *ids = calloc(*nids, sizeof(**ids));
2933 7d0d4920 2022-05-12 thomas if (*ids == NULL) {
2934 7d0d4920 2022-05-12 thomas err = got_error_from_errno("calloc");
2935 7d0d4920 2022-05-12 thomas break;
2936 7d0d4920 2022-05-12 thomas }
2937 7d0d4920 2022-05-12 thomas memcpy(*ids, (uint8_t *)imsg.data + sizeof(idlist),
2938 7d0d4920 2022-05-12 thomas *nids * sizeof(**ids));
2939 7d0d4920 2022-05-12 thomas break;
2940 7d0d4920 2022-05-12 thomas case GOT_IMSG_OBJ_ID_LIST_DONE:
2941 7d0d4920 2022-05-12 thomas *done = 1;
2942 7d0d4920 2022-05-12 thomas break;
2943 7d0d4920 2022-05-12 thomas default:
2944 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2945 7d0d4920 2022-05-12 thomas break;
2946 7d0d4920 2022-05-12 thomas }
2947 7d0d4920 2022-05-12 thomas
2948 7d0d4920 2022-05-12 thomas imsg_free(&imsg);
2949 7d0d4920 2022-05-12 thomas
2950 7d0d4920 2022-05-12 thomas return err;
2951 7d0d4920 2022-05-12 thomas }
2952 7d0d4920 2022-05-12 thomas
2953 7d0d4920 2022-05-12 thomas const struct got_error *
2954 7d0d4920 2022-05-12 thomas got_privsep_send_delta_reuse_req(struct imsgbuf *ibuf)
2955 7d0d4920 2022-05-12 thomas {
2956 7d0d4920 2022-05-12 thomas if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_REQUEST, 0, 0, -1, NULL, 0)
2957 7d0d4920 2022-05-12 thomas == -1)
2958 7d0d4920 2022-05-12 thomas return got_error_from_errno("imsg_compose DELTA_REUSE_REQUEST");
2959 7d0d4920 2022-05-12 thomas
2960 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
2961 7d0d4920 2022-05-12 thomas }
2962 7d0d4920 2022-05-12 thomas
2963 7d0d4920 2022-05-12 thomas const struct got_error *
2964 7d0d4920 2022-05-12 thomas got_privsep_send_reused_deltas(struct imsgbuf *ibuf,
2965 7d0d4920 2022-05-12 thomas struct got_imsg_reused_delta *deltas, size_t ndeltas)
2966 7d0d4920 2022-05-12 thomas {
2967 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
2968 7d0d4920 2022-05-12 thomas struct ibuf *wbuf;
2969 7d0d4920 2022-05-12 thomas struct got_imsg_reused_deltas ideltas;
2970 7d0d4920 2022-05-12 thomas size_t i;
2971 7d0d4920 2022-05-12 thomas
2972 7d0d4920 2022-05-12 thomas if (ndeltas > GOT_IMSG_REUSED_DELTAS_MAX_NDELTAS)
2973 7d0d4920 2022-05-12 thomas return got_error(GOT_ERR_NO_SPACE);
2974 7d0d4920 2022-05-12 thomas
2975 7d0d4920 2022-05-12 thomas wbuf = imsg_create(ibuf, GOT_IMSG_REUSED_DELTAS, 0, 0,
2976 7d0d4920 2022-05-12 thomas sizeof(ideltas) + ndeltas * sizeof(*deltas));
2977 7d0d4920 2022-05-12 thomas if (wbuf == NULL) {
2978 7d0d4920 2022-05-12 thomas err = got_error_from_errno("imsg_create REUSED_DELTAS");
2979 7d0d4920 2022-05-12 thomas return err;
2980 f9c2e8e5 2022-02-13 thomas }
2981 7d0d4920 2022-05-12 thomas
2982 7d0d4920 2022-05-12 thomas ideltas.ndeltas = ndeltas;
2983 7d0d4920 2022-05-12 thomas if (imsg_add(wbuf, &ideltas, sizeof(ideltas)) == -1) {
2984 7d0d4920 2022-05-12 thomas err = got_error_from_errno("imsg_add REUSED_DELTAS");
2985 7d0d4920 2022-05-12 thomas ibuf_free(wbuf);
2986 7d0d4920 2022-05-12 thomas return err;
2987 7d0d4920 2022-05-12 thomas }
2988 7d0d4920 2022-05-12 thomas
2989 7d0d4920 2022-05-12 thomas for (i = 0; i < ndeltas; i++) {
2990 7d0d4920 2022-05-12 thomas struct got_imsg_reused_delta *delta = &deltas[i];
2991 7d0d4920 2022-05-12 thomas if (imsg_add(wbuf, delta, sizeof(*delta)) == -1) {
2992 7d0d4920 2022-05-12 thomas err = got_error_from_errno("imsg_add REUSED_DELTAS");
2993 7d0d4920 2022-05-12 thomas ibuf_free(wbuf);
2994 7d0d4920 2022-05-12 thomas return err;
2995 7d0d4920 2022-05-12 thomas }
2996 7d0d4920 2022-05-12 thomas }
2997 7d0d4920 2022-05-12 thomas
2998 7d0d4920 2022-05-12 thomas wbuf->fd = -1;
2999 7d0d4920 2022-05-12 thomas imsg_close(ibuf, wbuf);
3000 7d0d4920 2022-05-12 thomas
3001 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3002 7d0d4920 2022-05-12 thomas }
3003 7d0d4920 2022-05-12 thomas
3004 7d0d4920 2022-05-12 thomas const struct got_error *
3005 7d0d4920 2022-05-12 thomas got_privsep_send_reused_deltas_done(struct imsgbuf *ibuf)
3006 7d0d4920 2022-05-12 thomas {
3007 7d0d4920 2022-05-12 thomas if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_DONE, 0, 0, -1, NULL, 0)
3008 7d0d4920 2022-05-12 thomas == -1)
3009 7d0d4920 2022-05-12 thomas return got_error_from_errno("imsg_compose DELTA_REUSE_DONE");
3010 7d0d4920 2022-05-12 thomas
3011 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3012 7d0d4920 2022-05-12 thomas }
3013 7d0d4920 2022-05-12 thomas
3014 7d0d4920 2022-05-12 thomas const struct got_error *
3015 7d0d4920 2022-05-12 thomas got_privsep_recv_reused_deltas(int *done, struct got_imsg_reused_delta *deltas,
3016 7d0d4920 2022-05-12 thomas size_t *ndeltas, struct imsgbuf *ibuf)
3017 7d0d4920 2022-05-12 thomas {
3018 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3019 7d0d4920 2022-05-12 thomas struct imsg imsg;
3020 7d0d4920 2022-05-12 thomas struct got_imsg_reused_deltas *ideltas;
3021 7d0d4920 2022-05-12 thomas size_t datalen;
3022 7d0d4920 2022-05-12 thomas
3023 7d0d4920 2022-05-12 thomas *done = 0;
3024 7d0d4920 2022-05-12 thomas *ndeltas = 0;
3025 7d0d4920 2022-05-12 thomas
3026 7d0d4920 2022-05-12 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3027 7d0d4920 2022-05-12 thomas if (err)
3028 7d0d4920 2022-05-12 thomas return err;
3029 7d0d4920 2022-05-12 thomas
3030 7d0d4920 2022-05-12 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3031 7d0d4920 2022-05-12 thomas switch (imsg.hdr.type) {
3032 7d0d4920 2022-05-12 thomas case GOT_IMSG_REUSED_DELTAS:
3033 7d0d4920 2022-05-12 thomas if (datalen < sizeof(*ideltas)) {
3034 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3035 7d0d4920 2022-05-12 thomas break;
3036 7d0d4920 2022-05-12 thomas }
3037 7d0d4920 2022-05-12 thomas ideltas = imsg.data;
3038 7d0d4920 2022-05-12 thomas if (ideltas->ndeltas > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS) {
3039 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3040 7d0d4920 2022-05-12 thomas break;
3041 7d0d4920 2022-05-12 thomas }
3042 7d0d4920 2022-05-12 thomas *ndeltas = ideltas->ndeltas;
3043 7d0d4920 2022-05-12 thomas memcpy(deltas, (uint8_t *)imsg.data + sizeof(ideltas),
3044 7d0d4920 2022-05-12 thomas *ndeltas * sizeof(*deltas));
3045 7d0d4920 2022-05-12 thomas break;
3046 7d0d4920 2022-05-12 thomas case GOT_IMSG_DELTA_REUSE_DONE:
3047 7d0d4920 2022-05-12 thomas *done = 1;
3048 7d0d4920 2022-05-12 thomas break;
3049 7d0d4920 2022-05-12 thomas default:
3050 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3051 7d0d4920 2022-05-12 thomas break;
3052 7d0d4920 2022-05-12 thomas }
3053 7d0d4920 2022-05-12 thomas
3054 7d0d4920 2022-05-12 thomas imsg_free(&imsg);
3055 7d0d4920 2022-05-12 thomas
3056 f9c2e8e5 2022-02-13 thomas return err;
3057 f9c2e8e5 2022-02-13 thomas }
3058 f9c2e8e5 2022-02-13 thomas
3059 f9c2e8e5 2022-02-13 thomas const struct got_error *
3060 63219cd2 2019-01-04 stsp got_privsep_unveil_exec_helpers(void)
3061 63219cd2 2019-01-04 stsp {
3062 c39c25dd 2019-08-09 stsp const char *helpers[] = {
3063 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_PACK,
3064 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_OBJECT,
3065 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_COMMIT,
3066 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TREE,
3067 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_BLOB,
3068 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TAG,
3069 aba9c984 2019-09-08 stsp GOT_PATH_PROG_READ_GITCONFIG,
3070 257add31 2020-09-09 stsp GOT_PATH_PROG_READ_GOTCONFIG,
3071 069bbb86 2022-03-07 thomas GOT_PATH_PROG_READ_PATCH,
3072 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_FETCH_PACK,
3073 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_INDEX_PACK,
3074 f8a36e22 2021-08-26 stsp GOT_PATH_PROG_SEND_PACK,
3075 c39c25dd 2019-08-09 stsp };
3076 16aeacf7 2020-11-26 stsp size_t i;
3077 63219cd2 2019-01-04 stsp
3078 c39c25dd 2019-08-09 stsp for (i = 0; i < nitems(helpers); i++) {
3079 c39c25dd 2019-08-09 stsp if (unveil(helpers[i], "x") == 0)
3080 c39c25dd 2019-08-09 stsp continue;
3081 c39c25dd 2019-08-09 stsp return got_error_from_errno2("unveil", helpers[i]);
3082 c39c25dd 2019-08-09 stsp }
3083 c39c25dd 2019-08-09 stsp
3084 63219cd2 2019-01-04 stsp return NULL;
3085 876c234b 2018-09-10 stsp }
3086 aba9c984 2019-09-08 stsp
3087 aba9c984 2019-09-08 stsp void
3088 aba9c984 2019-09-08 stsp got_privsep_exec_child(int imsg_fds[2], const char *path, const char *repo_path)
3089 aba9c984 2019-09-08 stsp {
3090 08578a35 2021-01-22 stsp if (close(imsg_fds[0]) == -1) {
3091 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3092 aba9c984 2019-09-08 stsp _exit(1);
3093 aba9c984 2019-09-08 stsp }
3094 aba9c984 2019-09-08 stsp
3095 aba9c984 2019-09-08 stsp if (dup2(imsg_fds[1], GOT_IMSG_FD_CHILD) == -1) {
3096 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3097 aba9c984 2019-09-08 stsp _exit(1);
3098 aba9c984 2019-09-08 stsp }
3099 aba9c984 2019-09-08 stsp
3100 ce95518e 2021-12-10 thomas closefrom(GOT_IMSG_FD_CHILD + 1);
3101 ce95518e 2021-12-10 thomas
3102 aba9c984 2019-09-08 stsp if (execl(path, path, repo_path, (char *)NULL) == -1) {
3103 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s: %s\n", getprogname(), path,
3104 aba9c984 2019-09-08 stsp strerror(errno));
3105 aba9c984 2019-09-08 stsp _exit(1);
3106 aba9c984 2019-09-08 stsp }
3107 aba9c984 2019-09-08 stsp }