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1 2178c42e 2018-04-22 stsp /*
2 5aa81393 2020-01-06 stsp * Copyright (c) 2018, 2019, 2020 Stefan Sperling <stsp@openbsd.org>
3 93658fb9 2020-03-18 stsp * Copyright (c) 2020 Ori Bernstein <ori@openbsd.org>
4 2178c42e 2018-04-22 stsp *
5 2178c42e 2018-04-22 stsp * Permission to use, copy, modify, and distribute this software for any
6 2178c42e 2018-04-22 stsp * purpose with or without fee is hereby granted, provided that the above
7 2178c42e 2018-04-22 stsp * copyright notice and this permission notice appear in all copies.
8 2178c42e 2018-04-22 stsp *
9 2178c42e 2018-04-22 stsp * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 2178c42e 2018-04-22 stsp * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 2178c42e 2018-04-22 stsp * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 2178c42e 2018-04-22 stsp * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 2178c42e 2018-04-22 stsp * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 2178c42e 2018-04-22 stsp * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 2178c42e 2018-04-22 stsp * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 2178c42e 2018-04-22 stsp */
17 2178c42e 2018-04-22 stsp
18 2178c42e 2018-04-22 stsp #include <sys/types.h>
19 2178c42e 2018-04-22 stsp #include <sys/queue.h>
20 2178c42e 2018-04-22 stsp #include <sys/uio.h>
21 876c234b 2018-09-10 stsp #include <sys/wait.h>
22 2178c42e 2018-04-22 stsp
23 531c3985 2020-03-18 stsp #include <ctype.h>
24 23c57b28 2020-09-11 naddy #include <limits.h>
25 a486b62b 2021-05-18 stsp #include <signal.h>
26 2178c42e 2018-04-22 stsp #include <stdio.h>
27 2178c42e 2018-04-22 stsp #include <stdlib.h>
28 2178c42e 2018-04-22 stsp #include <string.h>
29 2178c42e 2018-04-22 stsp #include <errno.h>
30 2178c42e 2018-04-22 stsp #include <stdint.h>
31 2178c42e 2018-04-22 stsp #include <poll.h>
32 2178c42e 2018-04-22 stsp #include <imsg.h>
33 2178c42e 2018-04-22 stsp #include <sha1.h>
34 81a12da5 2020-09-09 naddy #include <unistd.h>
35 2178c42e 2018-04-22 stsp #include <zlib.h>
36 788c352e 2018-06-16 stsp #include <time.h>
37 2178c42e 2018-04-22 stsp
38 2178c42e 2018-04-22 stsp #include "got_object.h"
39 2178c42e 2018-04-22 stsp #include "got_error.h"
40 3022d272 2019-11-14 stsp #include "got_path.h"
41 cd95becd 2019-11-29 stsp #include "got_repository.h"
42 2178c42e 2018-04-22 stsp
43 2178c42e 2018-04-22 stsp #include "got_lib_sha1.h"
44 2178c42e 2018-04-22 stsp #include "got_lib_delta.h"
45 63581804 2018-07-09 stsp #include "got_lib_inflate.h"
46 2178c42e 2018-04-22 stsp #include "got_lib_object.h"
47 a440fac0 2018-09-06 stsp #include "got_lib_object_parse.h"
48 2178c42e 2018-04-22 stsp #include "got_lib_privsep.h"
49 876c234b 2018-09-10 stsp #include "got_lib_pack.h"
50 2178c42e 2018-04-22 stsp
51 2178c42e 2018-04-22 stsp #ifndef MIN
52 2178c42e 2018-04-22 stsp #define MIN(_a,_b) ((_a) < (_b) ? (_a) : (_b))
53 c39c25dd 2019-08-09 stsp #endif
54 c39c25dd 2019-08-09 stsp
55 c39c25dd 2019-08-09 stsp #ifndef nitems
56 c39c25dd 2019-08-09 stsp #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
57 2178c42e 2018-04-22 stsp #endif
58 2178c42e 2018-04-22 stsp
59 2178c42e 2018-04-22 stsp static const struct got_error *
60 2178c42e 2018-04-22 stsp poll_fd(int fd, int events, int timeout)
61 2178c42e 2018-04-22 stsp {
62 2178c42e 2018-04-22 stsp struct pollfd pfd[1];
63 a486b62b 2021-05-18 stsp struct timespec ts;
64 a486b62b 2021-05-18 stsp sigset_t sigset;
65 2178c42e 2018-04-22 stsp int n;
66 2178c42e 2018-04-22 stsp
67 2178c42e 2018-04-22 stsp pfd[0].fd = fd;
68 2178c42e 2018-04-22 stsp pfd[0].events = events;
69 2178c42e 2018-04-22 stsp
70 a486b62b 2021-05-18 stsp ts.tv_sec = timeout;
71 a486b62b 2021-05-18 stsp ts.tv_nsec = 0;
72 a486b62b 2021-05-18 stsp
73 a486b62b 2021-05-18 stsp if (sigemptyset(&sigset) == -1)
74 a486b62b 2021-05-18 stsp return got_error_from_errno("sigemptyset");
75 a486b62b 2021-05-18 stsp if (sigaddset(&sigset, SIGWINCH) == -1)
76 a486b62b 2021-05-18 stsp return got_error_from_errno("sigaddset");
77 a486b62b 2021-05-18 stsp
78 a486b62b 2021-05-18 stsp n = ppoll(pfd, 1, timeout == INFTIM ? NULL : &ts, &sigset);
79 2178c42e 2018-04-22 stsp if (n == -1)
80 932dbee7 2021-05-19 stsp return got_error_from_errno("ppoll");
81 2178c42e 2018-04-22 stsp if (n == 0)
82 2178c42e 2018-04-22 stsp return got_error(GOT_ERR_TIMEOUT);
83 2178c42e 2018-04-22 stsp if (pfd[0].revents & (POLLERR | POLLNVAL))
84 638f9024 2019-05-13 stsp return got_error_from_errno("poll error");
85 2178c42e 2018-04-22 stsp if (pfd[0].revents & (events | POLLHUP))
86 2178c42e 2018-04-22 stsp return NULL;
87 2178c42e 2018-04-22 stsp
88 2178c42e 2018-04-22 stsp return got_error(GOT_ERR_INTERRUPT);
89 2178c42e 2018-04-22 stsp }
90 2178c42e 2018-04-22 stsp
91 c4eae628 2018-04-23 stsp static const struct got_error *
92 e033d803 2018-04-23 stsp read_imsg(struct imsgbuf *ibuf)
93 fe36cf76 2018-04-23 stsp {
94 fe36cf76 2018-04-23 stsp const struct got_error *err;
95 e033d803 2018-04-23 stsp size_t n;
96 fe36cf76 2018-04-23 stsp
97 fe36cf76 2018-04-23 stsp err = poll_fd(ibuf->fd, POLLIN, INFTIM);
98 fe36cf76 2018-04-23 stsp if (err)
99 fe36cf76 2018-04-23 stsp return err;
100 fe36cf76 2018-04-23 stsp
101 fe36cf76 2018-04-23 stsp n = imsg_read(ibuf);
102 fe36cf76 2018-04-23 stsp if (n == -1) {
103 fe36cf76 2018-04-23 stsp if (errno == EAGAIN) /* Could be a file-descriptor leak. */
104 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_NO_FD);
105 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_READ);
106 fe36cf76 2018-04-23 stsp }
107 fe36cf76 2018-04-23 stsp if (n == 0)
108 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_PIPE);
109 fe36cf76 2018-04-23 stsp
110 e033d803 2018-04-23 stsp return NULL;
111 e033d803 2018-04-23 stsp }
112 e033d803 2018-04-23 stsp
113 ad242220 2018-09-08 stsp const struct got_error *
114 876c234b 2018-09-10 stsp got_privsep_wait_for_child(pid_t pid)
115 876c234b 2018-09-10 stsp {
116 876c234b 2018-09-10 stsp int child_status;
117 876c234b 2018-09-10 stsp
118 2cb49fa8 2019-05-10 stsp if (waitpid(pid, &child_status, 0) == -1)
119 638f9024 2019-05-13 stsp return got_error_from_errno("waitpid");
120 876c234b 2018-09-10 stsp
121 876c234b 2018-09-10 stsp if (!WIFEXITED(child_status))
122 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_DIED);
123 876c234b 2018-09-10 stsp
124 876c234b 2018-09-10 stsp if (WEXITSTATUS(child_status) != 0)
125 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_EXIT);
126 876c234b 2018-09-10 stsp
127 876c234b 2018-09-10 stsp return NULL;
128 876c234b 2018-09-10 stsp }
129 876c234b 2018-09-10 stsp
130 73b7854a 2018-11-11 stsp static const struct got_error *
131 73b7854a 2018-11-11 stsp recv_imsg_error(struct imsg *imsg, size_t datalen)
132 73b7854a 2018-11-11 stsp {
133 73b7854a 2018-11-11 stsp struct got_imsg_error *ierr;
134 73b7854a 2018-11-11 stsp
135 73b7854a 2018-11-11 stsp if (datalen != sizeof(*ierr))
136 73b7854a 2018-11-11 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
137 73b7854a 2018-11-11 stsp
138 73b7854a 2018-11-11 stsp ierr = imsg->data;
139 73b7854a 2018-11-11 stsp if (ierr->code == GOT_ERR_ERRNO) {
140 73b7854a 2018-11-11 stsp static struct got_error serr;
141 73b7854a 2018-11-11 stsp serr.code = GOT_ERR_ERRNO;
142 73b7854a 2018-11-11 stsp serr.msg = strerror(ierr->errno_code);
143 73b7854a 2018-11-11 stsp return &serr;
144 73b7854a 2018-11-11 stsp }
145 73b7854a 2018-11-11 stsp
146 73b7854a 2018-11-11 stsp return got_error(ierr->code);
147 73b7854a 2018-11-11 stsp }
148 73b7854a 2018-11-11 stsp
149 876c234b 2018-09-10 stsp const struct got_error *
150 46de5bfd 2018-11-11 stsp got_privsep_recv_imsg(struct imsg *imsg, struct imsgbuf *ibuf,
151 46de5bfd 2018-11-11 stsp size_t min_datalen)
152 e033d803 2018-04-23 stsp {
153 e033d803 2018-04-23 stsp const struct got_error *err;
154 e033d803 2018-04-23 stsp ssize_t n;
155 e033d803 2018-04-23 stsp
156 e033d803 2018-04-23 stsp n = imsg_get(ibuf, imsg);
157 876c234b 2018-09-10 stsp if (n == -1)
158 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_get");
159 876c234b 2018-09-10 stsp
160 876c234b 2018-09-10 stsp while (n == 0) {
161 876c234b 2018-09-10 stsp err = read_imsg(ibuf);
162 876c234b 2018-09-10 stsp if (err)
163 876c234b 2018-09-10 stsp return err;
164 876c234b 2018-09-10 stsp n = imsg_get(ibuf, imsg);
165 cbfaaf20 2020-01-06 stsp if (n == -1)
166 cbfaaf20 2020-01-06 stsp return got_error_from_errno("imsg_get");
167 876c234b 2018-09-10 stsp }
168 fe36cf76 2018-04-23 stsp
169 fe36cf76 2018-04-23 stsp if (imsg->hdr.len < IMSG_HEADER_SIZE + min_datalen)
170 c4eae628 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
171 c4eae628 2018-04-23 stsp
172 73b7854a 2018-11-11 stsp if (imsg->hdr.type == GOT_IMSG_ERROR) {
173 73b7854a 2018-11-11 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
174 73b7854a 2018-11-11 stsp return recv_imsg_error(imsg, datalen);
175 c4eae628 2018-04-23 stsp }
176 c4eae628 2018-04-23 stsp
177 73b7854a 2018-11-11 stsp return NULL;
178 c4eae628 2018-04-23 stsp }
179 c4eae628 2018-04-23 stsp
180 2178c42e 2018-04-22 stsp /* Attempt to send an error in an imsg. Complain on stderr as a last resort. */
181 2178c42e 2018-04-22 stsp void
182 2178c42e 2018-04-22 stsp got_privsep_send_error(struct imsgbuf *ibuf, const struct got_error *err)
183 2178c42e 2018-04-22 stsp {
184 2178c42e 2018-04-22 stsp const struct got_error *poll_err;
185 2178c42e 2018-04-22 stsp struct got_imsg_error ierr;
186 2178c42e 2018-04-22 stsp int ret;
187 2178c42e 2018-04-22 stsp
188 2178c42e 2018-04-22 stsp ierr.code = err->code;
189 2178c42e 2018-04-22 stsp if (err->code == GOT_ERR_ERRNO)
190 2178c42e 2018-04-22 stsp ierr.errno_code = errno;
191 2178c42e 2018-04-22 stsp else
192 2178c42e 2018-04-22 stsp ierr.errno_code = 0;
193 2178c42e 2018-04-22 stsp ret = imsg_compose(ibuf, GOT_IMSG_ERROR, 0, 0, -1, &ierr, sizeof(ierr));
194 e93cd828 2018-11-11 stsp if (ret == -1) {
195 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_compose: %s\n",
196 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
197 5d43e84d 2018-04-23 stsp return;
198 2178c42e 2018-04-22 stsp }
199 2178c42e 2018-04-22 stsp
200 2178c42e 2018-04-22 stsp poll_err = poll_fd(ibuf->fd, POLLOUT, INFTIM);
201 5d43e84d 2018-04-23 stsp if (poll_err) {
202 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": poll: %s\n",
203 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, poll_err->msg);
204 5d43e84d 2018-04-23 stsp return;
205 5d43e84d 2018-04-23 stsp }
206 2178c42e 2018-04-22 stsp
207 2178c42e 2018-04-22 stsp ret = imsg_flush(ibuf);
208 5d43e84d 2018-04-23 stsp if (ret == -1) {
209 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_flush: %s\n",
210 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
211 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 e033d803 2018-04-23 stsp if (imsg_flush(ibuf) == -1)
225 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_flush");
226 e033d803 2018-04-23 stsp
227 e033d803 2018-04-23 stsp return NULL;
228 ad242220 2018-09-08 stsp }
229 ad242220 2018-09-08 stsp
230 ad242220 2018-09-08 stsp const struct got_error *
231 e70bf110 2020-03-22 stsp got_privsep_flush_imsg(struct imsgbuf *ibuf)
232 e70bf110 2020-03-22 stsp {
233 e70bf110 2020-03-22 stsp return flush_imsg(ibuf);
234 e70bf110 2020-03-22 stsp }
235 e70bf110 2020-03-22 stsp
236 e70bf110 2020-03-22 stsp const struct got_error *
237 ad242220 2018-09-08 stsp got_privsep_send_stop(int fd)
238 ad242220 2018-09-08 stsp {
239 ad242220 2018-09-08 stsp const struct got_error *err = NULL;
240 ad242220 2018-09-08 stsp struct imsgbuf ibuf;
241 ad242220 2018-09-08 stsp
242 ad242220 2018-09-08 stsp imsg_init(&ibuf, fd);
243 ad242220 2018-09-08 stsp
244 ad242220 2018-09-08 stsp if (imsg_compose(&ibuf, GOT_IMSG_STOP, 0, 0, -1, NULL, 0) == -1)
245 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose STOP");
246 ad242220 2018-09-08 stsp
247 ad242220 2018-09-08 stsp err = flush_imsg(&ibuf);
248 ad242220 2018-09-08 stsp imsg_clear(&ibuf);
249 ad242220 2018-09-08 stsp return err;
250 7762fe12 2018-11-05 stsp }
251 93658fb9 2020-03-18 stsp
252 93658fb9 2020-03-18 stsp const struct got_error *
253 d5c81d44 2021-07-08 stsp got_privsep_send_obj_req(struct imsgbuf *ibuf, int fd,
254 d5c81d44 2021-07-08 stsp struct got_object_id *id)
255 ad242220 2018-09-08 stsp {
256 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT_REQUEST, 0, 0, fd,
257 d5c81d44 2021-07-08 stsp id, sizeof(*id)) == -1)
258 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT_REQUEST");
259 59d1e4a0 2021-03-10 stsp
260 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
261 59d1e4a0 2021-03-10 stsp }
262 59d1e4a0 2021-03-10 stsp
263 59d1e4a0 2021-03-10 stsp const struct got_error *
264 d5c81d44 2021-07-08 stsp got_privsep_send_raw_obj_req(struct imsgbuf *ibuf, int fd,
265 d5c81d44 2021-07-08 stsp struct got_object_id *id)
266 59d1e4a0 2021-03-10 stsp {
267 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_OBJECT_REQUEST, 0, 0, fd,
268 d5c81d44 2021-07-08 stsp id, sizeof(*id)) == -1)
269 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose RAW_OBJECT_REQUEST");
270 59d1e4a0 2021-03-10 stsp
271 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
272 59d1e4a0 2021-03-10 stsp }
273 59d1e4a0 2021-03-10 stsp
274 59d1e4a0 2021-03-10 stsp const struct got_error *
275 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj_outfd(struct imsgbuf *ibuf, int outfd)
276 59d1e4a0 2021-03-10 stsp {
277 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
278 59d1e4a0 2021-03-10 stsp
279 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_OBJECT_OUTFD, 0, 0, outfd, NULL, 0)
280 59d1e4a0 2021-03-10 stsp == -1) {
281 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_compose RAW_OBJECT_OUTFD");
282 59d1e4a0 2021-03-10 stsp close(outfd);
283 59d1e4a0 2021-03-10 stsp return err;
284 59d1e4a0 2021-03-10 stsp }
285 59d1e4a0 2021-03-10 stsp
286 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
287 59d1e4a0 2021-03-10 stsp }
288 59d1e4a0 2021-03-10 stsp
289 59d1e4a0 2021-03-10 stsp const struct got_error *
290 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj(struct imsgbuf *ibuf, off_t size, size_t hdrlen,
291 59d1e4a0 2021-03-10 stsp uint8_t *data)
292 59d1e4a0 2021-03-10 stsp {
293 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
294 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj iobj;
295 59d1e4a0 2021-03-10 stsp size_t len = sizeof(iobj);
296 59d1e4a0 2021-03-10 stsp struct ibuf *wbuf;
297 1785f84a 2018-12-23 stsp
298 59d1e4a0 2021-03-10 stsp iobj.hdrlen = hdrlen;
299 59d1e4a0 2021-03-10 stsp iobj.size = size;
300 59d1e4a0 2021-03-10 stsp
301 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX)
302 a8591711 2021-06-18 stsp len += (size_t)size + hdrlen;
303 59d1e4a0 2021-03-10 stsp
304 59d1e4a0 2021-03-10 stsp wbuf = imsg_create(ibuf, GOT_IMSG_RAW_OBJECT, 0, 0, len);
305 59d1e4a0 2021-03-10 stsp if (wbuf == NULL) {
306 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_create RAW_OBJECT");
307 59d1e4a0 2021-03-10 stsp return err;
308 59d1e4a0 2021-03-10 stsp }
309 59d1e4a0 2021-03-10 stsp
310 59d1e4a0 2021-03-10 stsp if (imsg_add(wbuf, &iobj, sizeof(iobj)) == -1) {
311 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_add RAW_OBJECT");
312 59d1e4a0 2021-03-10 stsp ibuf_free(wbuf);
313 59d1e4a0 2021-03-10 stsp return err;
314 59d1e4a0 2021-03-10 stsp }
315 59d1e4a0 2021-03-10 stsp
316 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
317 a8591711 2021-06-18 stsp if (imsg_add(wbuf, data, size + hdrlen) == -1) {
318 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_add RAW_OBJECT");
319 59d1e4a0 2021-03-10 stsp ibuf_free(wbuf);
320 59d1e4a0 2021-03-10 stsp return err;
321 59d1e4a0 2021-03-10 stsp }
322 59d1e4a0 2021-03-10 stsp }
323 59d1e4a0 2021-03-10 stsp
324 59d1e4a0 2021-03-10 stsp wbuf->fd = -1;
325 59d1e4a0 2021-03-10 stsp imsg_close(ibuf, wbuf);
326 59d1e4a0 2021-03-10 stsp
327 1785f84a 2018-12-23 stsp return flush_imsg(ibuf);
328 1785f84a 2018-12-23 stsp }
329 1785f84a 2018-12-23 stsp
330 1785f84a 2018-12-23 stsp const struct got_error *
331 59d1e4a0 2021-03-10 stsp got_privsep_recv_raw_obj(uint8_t **outbuf, off_t *size, size_t *hdrlen,
332 59d1e4a0 2021-03-10 stsp struct imsgbuf *ibuf)
333 59d1e4a0 2021-03-10 stsp {
334 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
335 59d1e4a0 2021-03-10 stsp struct imsg imsg;
336 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj *iobj;
337 59d1e4a0 2021-03-10 stsp size_t datalen;
338 59d1e4a0 2021-03-10 stsp
339 59d1e4a0 2021-03-10 stsp *outbuf = NULL;
340 59d1e4a0 2021-03-10 stsp
341 59d1e4a0 2021-03-10 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
342 59d1e4a0 2021-03-10 stsp if (err)
343 59d1e4a0 2021-03-10 stsp return err;
344 59d1e4a0 2021-03-10 stsp
345 59d1e4a0 2021-03-10 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
346 59d1e4a0 2021-03-10 stsp
347 59d1e4a0 2021-03-10 stsp switch (imsg.hdr.type) {
348 59d1e4a0 2021-03-10 stsp case GOT_IMSG_RAW_OBJECT:
349 59d1e4a0 2021-03-10 stsp if (datalen < sizeof(*iobj)) {
350 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
351 59d1e4a0 2021-03-10 stsp break;
352 59d1e4a0 2021-03-10 stsp }
353 59d1e4a0 2021-03-10 stsp iobj = imsg.data;
354 59d1e4a0 2021-03-10 stsp *size = iobj->size;
355 59d1e4a0 2021-03-10 stsp *hdrlen = iobj->hdrlen;
356 59d1e4a0 2021-03-10 stsp
357 59d1e4a0 2021-03-10 stsp if (datalen == sizeof(*iobj)) {
358 59d1e4a0 2021-03-10 stsp /* Data has been written to file descriptor. */
359 59d1e4a0 2021-03-10 stsp break;
360 59d1e4a0 2021-03-10 stsp }
361 59d1e4a0 2021-03-10 stsp
362 a8591711 2021-06-18 stsp if (*size + *hdrlen > GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
363 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
364 59d1e4a0 2021-03-10 stsp break;
365 59d1e4a0 2021-03-10 stsp }
366 59d1e4a0 2021-03-10 stsp
367 a8591711 2021-06-18 stsp *outbuf = malloc(*size + *hdrlen);
368 59d1e4a0 2021-03-10 stsp if (*outbuf == NULL) {
369 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("malloc");
370 59d1e4a0 2021-03-10 stsp break;
371 59d1e4a0 2021-03-10 stsp }
372 a8591711 2021-06-18 stsp memcpy(*outbuf, imsg.data + sizeof(*iobj), *size + *hdrlen);
373 59d1e4a0 2021-03-10 stsp break;
374 59d1e4a0 2021-03-10 stsp default:
375 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
376 59d1e4a0 2021-03-10 stsp break;
377 59d1e4a0 2021-03-10 stsp }
378 59d1e4a0 2021-03-10 stsp
379 59d1e4a0 2021-03-10 stsp imsg_free(&imsg);
380 59d1e4a0 2021-03-10 stsp
381 59d1e4a0 2021-03-10 stsp return err;
382 59d1e4a0 2021-03-10 stsp }
383 59d1e4a0 2021-03-10 stsp
384 59d1e4a0 2021-03-10 stsp const struct got_error *
385 1785f84a 2018-12-23 stsp got_privsep_send_commit_req(struct imsgbuf *ibuf, int fd,
386 1785f84a 2018-12-23 stsp struct got_object_id *id, int pack_idx)
387 1785f84a 2018-12-23 stsp {
388 41496140 2019-02-21 stsp const struct got_error *err = NULL;
389 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
390 d5c81d44 2021-07-08 stsp void *data;
391 1785f84a 2018-12-23 stsp size_t len;
392 1785f84a 2018-12-23 stsp
393 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* commit is packed */
394 1785f84a 2018-12-23 stsp iobj.idx = pack_idx;
395 1785f84a 2018-12-23 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
396 d5c81d44 2021-07-08 stsp data = &iobj;
397 1785f84a 2018-12-23 stsp len = sizeof(iobj);
398 1785f84a 2018-12-23 stsp } else {
399 d5c81d44 2021-07-08 stsp data = id;
400 d5c81d44 2021-07-08 stsp len = sizeof(*id);
401 1785f84a 2018-12-23 stsp }
402 1785f84a 2018-12-23 stsp
403 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_REQUEST, 0, 0, fd, data, len)
404 41496140 2019-02-21 stsp == -1) {
405 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT_REQUEST");
406 41496140 2019-02-21 stsp close(fd);
407 41496140 2019-02-21 stsp return err;
408 41496140 2019-02-21 stsp }
409 13c729f7 2018-12-24 stsp
410 13c729f7 2018-12-24 stsp return flush_imsg(ibuf);
411 13c729f7 2018-12-24 stsp }
412 13c729f7 2018-12-24 stsp
413 13c729f7 2018-12-24 stsp const struct got_error *
414 13c729f7 2018-12-24 stsp got_privsep_send_tree_req(struct imsgbuf *ibuf, int fd,
415 13c729f7 2018-12-24 stsp struct got_object_id *id, int pack_idx)
416 13c729f7 2018-12-24 stsp {
417 41496140 2019-02-21 stsp const struct got_error *err = NULL;
418 7f358e3b 2019-11-23 stsp struct ibuf *wbuf;
419 d5c81d44 2021-07-08 stsp size_t len;
420 7f358e3b 2019-11-23 stsp
421 d5c81d44 2021-07-08 stsp if (pack_idx != -1)
422 d5c81d44 2021-07-08 stsp len = sizeof(struct got_imsg_packed_object);
423 d5c81d44 2021-07-08 stsp else
424 d5c81d44 2021-07-08 stsp len = sizeof(*id);
425 d5c81d44 2021-07-08 stsp
426 7f358e3b 2019-11-23 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_REQUEST, 0, 0, len);
427 7f358e3b 2019-11-23 stsp if (wbuf == NULL)
428 7f358e3b 2019-11-23 stsp return got_error_from_errno("imsg_create TREE_REQUEST");
429 13c729f7 2018-12-24 stsp
430 d5c81d44 2021-07-08 stsp if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1) {
431 d5c81d44 2021-07-08 stsp err = got_error_from_errno("imsg_add TREE_ENTRY");
432 d5c81d44 2021-07-08 stsp ibuf_free(wbuf);
433 d5c81d44 2021-07-08 stsp return err;
434 d5c81d44 2021-07-08 stsp }
435 13c729f7 2018-12-24 stsp
436 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tree is packed */
437 7f358e3b 2019-11-23 stsp if (imsg_add(wbuf, &pack_idx, sizeof(pack_idx)) == -1) {
438 7f358e3b 2019-11-23 stsp err = got_error_from_errno("imsg_add TREE_ENTRY");
439 7f358e3b 2019-11-23 stsp ibuf_free(wbuf);
440 7f358e3b 2019-11-23 stsp return err;
441 7f358e3b 2019-11-23 stsp }
442 41496140 2019-02-21 stsp }
443 268f7291 2018-12-24 stsp
444 7f358e3b 2019-11-23 stsp wbuf->fd = fd;
445 7f358e3b 2019-11-23 stsp imsg_close(ibuf, wbuf);
446 7f358e3b 2019-11-23 stsp
447 268f7291 2018-12-24 stsp return flush_imsg(ibuf);
448 268f7291 2018-12-24 stsp }
449 268f7291 2018-12-24 stsp
450 268f7291 2018-12-24 stsp const struct got_error *
451 268f7291 2018-12-24 stsp got_privsep_send_tag_req(struct imsgbuf *ibuf, int fd,
452 268f7291 2018-12-24 stsp struct got_object_id *id, int pack_idx)
453 268f7291 2018-12-24 stsp {
454 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
455 d5c81d44 2021-07-08 stsp void *data;
456 268f7291 2018-12-24 stsp size_t len;
457 268f7291 2018-12-24 stsp
458 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tag is packed */
459 268f7291 2018-12-24 stsp iobj.idx = pack_idx;
460 268f7291 2018-12-24 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
461 d5c81d44 2021-07-08 stsp data = &iobj;
462 268f7291 2018-12-24 stsp len = sizeof(iobj);
463 268f7291 2018-12-24 stsp } else {
464 d5c81d44 2021-07-08 stsp data = id;
465 d5c81d44 2021-07-08 stsp len = sizeof(*id);
466 268f7291 2018-12-24 stsp }
467 268f7291 2018-12-24 stsp
468 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_REQUEST, 0, 0, fd, data, len)
469 1785f84a 2018-12-23 stsp == -1)
470 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose TAG_REQUEST");
471 7762fe12 2018-11-05 stsp
472 7762fe12 2018-11-05 stsp return flush_imsg(ibuf);
473 7762fe12 2018-11-05 stsp }
474 7762fe12 2018-11-05 stsp
475 7762fe12 2018-11-05 stsp const struct got_error *
476 ebc55e2d 2018-12-24 stsp got_privsep_send_blob_req(struct imsgbuf *ibuf, int infd,
477 ebc55e2d 2018-12-24 stsp struct got_object_id *id, int pack_idx)
478 55da3778 2018-09-10 stsp {
479 41496140 2019-02-21 stsp const struct got_error *err = NULL;
480 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
481 d5c81d44 2021-07-08 stsp void *data;
482 ebc55e2d 2018-12-24 stsp size_t len;
483 ebc55e2d 2018-12-24 stsp
484 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* blob is packed */
485 ebc55e2d 2018-12-24 stsp iobj.idx = pack_idx;
486 ebc55e2d 2018-12-24 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
487 d5c81d44 2021-07-08 stsp data = &iobj;
488 ebc55e2d 2018-12-24 stsp len = sizeof(iobj);
489 ebc55e2d 2018-12-24 stsp } else {
490 d5c81d44 2021-07-08 stsp data = id;
491 d5c81d44 2021-07-08 stsp len = sizeof(*id);
492 ebc55e2d 2018-12-24 stsp }
493 ebc55e2d 2018-12-24 stsp
494 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_REQUEST, 0, 0, infd, data, len)
495 41496140 2019-02-21 stsp == -1) {
496 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_REQUEST");
497 41496140 2019-02-21 stsp close(infd);
498 41496140 2019-02-21 stsp return err;
499 41496140 2019-02-21 stsp }
500 ad242220 2018-09-08 stsp
501 55da3778 2018-09-10 stsp return flush_imsg(ibuf);
502 55da3778 2018-09-10 stsp }
503 ad242220 2018-09-08 stsp
504 55da3778 2018-09-10 stsp const struct got_error *
505 55da3778 2018-09-10 stsp got_privsep_send_blob_outfd(struct imsgbuf *ibuf, int outfd)
506 55da3778 2018-09-10 stsp {
507 41496140 2019-02-21 stsp const struct got_error *err = NULL;
508 41496140 2019-02-21 stsp
509 ad242220 2018-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_OUTFD, 0, 0, outfd, NULL, 0)
510 41496140 2019-02-21 stsp == -1) {
511 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_OUTFD");
512 41496140 2019-02-21 stsp close(outfd);
513 41496140 2019-02-21 stsp return err;
514 41496140 2019-02-21 stsp }
515 3840f4c9 2018-09-12 stsp
516 3840f4c9 2018-09-12 stsp return flush_imsg(ibuf);
517 3840f4c9 2018-09-12 stsp }
518 3840f4c9 2018-09-12 stsp
519 73ab1060 2020-03-18 stsp static const struct got_error *
520 73ab1060 2020-03-18 stsp send_fd(struct imsgbuf *ibuf, int imsg_code, int fd)
521 3840f4c9 2018-09-12 stsp {
522 41496140 2019-02-21 stsp const struct got_error *err = NULL;
523 41496140 2019-02-21 stsp
524 73ab1060 2020-03-18 stsp if (imsg_compose(ibuf, imsg_code, 0, 0, fd, NULL, 0) == -1) {
525 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TMPFD");
526 41496140 2019-02-21 stsp close(fd);
527 41496140 2019-02-21 stsp return err;
528 41496140 2019-02-21 stsp }
529 ad242220 2018-09-08 stsp
530 ad242220 2018-09-08 stsp return flush_imsg(ibuf);
531 ad242220 2018-09-08 stsp }
532 ad242220 2018-09-08 stsp
533 ad242220 2018-09-08 stsp const struct got_error *
534 73ab1060 2020-03-18 stsp got_privsep_send_tmpfd(struct imsgbuf *ibuf, int fd)
535 73ab1060 2020-03-18 stsp {
536 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_TMPFD, fd);
537 73ab1060 2020-03-18 stsp }
538 73ab1060 2020-03-18 stsp
539 73ab1060 2020-03-18 stsp const struct got_error *
540 876c234b 2018-09-10 stsp got_privsep_send_obj(struct imsgbuf *ibuf, struct got_object *obj)
541 2178c42e 2018-04-22 stsp {
542 2178c42e 2018-04-22 stsp struct got_imsg_object iobj;
543 2178c42e 2018-04-22 stsp
544 c59b3346 2018-09-11 stsp memcpy(iobj.id, obj->id.sha1, sizeof(iobj.id));
545 2178c42e 2018-04-22 stsp iobj.type = obj->type;
546 2178c42e 2018-04-22 stsp iobj.flags = obj->flags;
547 2178c42e 2018-04-22 stsp iobj.hdrlen = obj->hdrlen;
548 2178c42e 2018-04-22 stsp iobj.size = obj->size;
549 c59b3346 2018-09-11 stsp if (iobj.flags & GOT_OBJ_FLAG_PACKED) {
550 876c234b 2018-09-10 stsp iobj.pack_offset = obj->pack_offset;
551 c59b3346 2018-09-11 stsp iobj.pack_idx = obj->pack_idx;
552 c59b3346 2018-09-11 stsp }
553 2178c42e 2018-04-22 stsp
554 2178c42e 2018-04-22 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT, 0, 0, -1, &iobj, sizeof(iobj))
555 2178c42e 2018-04-22 stsp == -1)
556 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT");
557 2178c42e 2018-04-22 stsp
558 c59b3346 2018-09-11 stsp return flush_imsg(ibuf);
559 cfd633c2 2018-09-10 stsp }
560 cfd633c2 2018-09-10 stsp
561 cfd633c2 2018-09-10 stsp const struct got_error *
562 33501562 2020-03-18 stsp got_privsep_send_fetch_req(struct imsgbuf *ibuf, int fd,
563 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs, int fetch_all_branches,
564 abc59930 2021-09-05 naddy struct got_pathlist_head *wanted_branches,
565 abc59930 2021-09-05 naddy struct got_pathlist_head *wanted_refs, int list_refs_only, int verbosity)
566 93658fb9 2020-03-18 stsp {
567 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
568 33501562 2020-03-18 stsp struct ibuf *wbuf;
569 4ba14133 2020-03-20 stsp size_t len;
570 33501562 2020-03-18 stsp struct got_pathlist_entry *pe;
571 4ba14133 2020-03-20 stsp struct got_imsg_fetch_request fetchreq;
572 93658fb9 2020-03-18 stsp
573 4ba14133 2020-03-20 stsp memset(&fetchreq, 0, sizeof(fetchreq));
574 4ba14133 2020-03-20 stsp fetchreq.fetch_all_branches = fetch_all_branches;
575 41b0de12 2020-03-21 stsp fetchreq.list_refs_only = list_refs_only;
576 2690194b 2020-03-21 stsp fetchreq.verbosity = verbosity;
577 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, have_refs, entry)
578 4ba14133 2020-03-20 stsp fetchreq.n_have_refs++;
579 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry)
580 4ba14133 2020-03-20 stsp fetchreq.n_wanted_branches++;
581 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry)
582 0e4002ca 2020-03-21 stsp fetchreq.n_wanted_refs++;
583 659e7fbd 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_request);
584 33501562 2020-03-18 stsp if (len >= MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
585 33501562 2020-03-18 stsp close(fd);
586 33501562 2020-03-18 stsp return got_error(GOT_ERR_NO_SPACE);
587 33501562 2020-03-18 stsp }
588 33501562 2020-03-18 stsp
589 4ba14133 2020-03-20 stsp if (imsg_compose(ibuf, GOT_IMSG_FETCH_REQUEST, 0, 0, fd,
590 4ba14133 2020-03-20 stsp &fetchreq, sizeof(fetchreq)) == -1)
591 4ba14133 2020-03-20 stsp return got_error_from_errno(
592 4ba14133 2020-03-20 stsp "imsg_compose FETCH_SERVER_PROGRESS");
593 33501562 2020-03-18 stsp
594 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
595 4ba14133 2020-03-20 stsp if (err) {
596 659e7fbd 2020-03-20 stsp close(fd);
597 659e7fbd 2020-03-20 stsp return err;
598 659e7fbd 2020-03-20 stsp }
599 4ba14133 2020-03-20 stsp fd = -1;
600 33501562 2020-03-18 stsp
601 33501562 2020-03-18 stsp TAILQ_FOREACH(pe, have_refs, entry) {
602 33501562 2020-03-18 stsp const char *name = pe->path;
603 33501562 2020-03-18 stsp size_t name_len = pe->path_len;
604 33501562 2020-03-18 stsp struct got_object_id *id = pe->data;
605 33501562 2020-03-18 stsp
606 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_have_ref) + name_len;
607 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_HAVE_REF, 0, 0, len);
608 4ba14133 2020-03-20 stsp if (wbuf == NULL)
609 4ba14133 2020-03-20 stsp return got_error_from_errno("imsg_create FETCH_HAVE_REF");
610 4ba14133 2020-03-20 stsp
611 33501562 2020-03-18 stsp /* Keep in sync with struct got_imsg_fetch_have_ref! */
612 33501562 2020-03-18 stsp if (imsg_add(wbuf, id->sha1, sizeof(id->sha1)) == -1) {
613 4ba14133 2020-03-20 stsp err = got_error_from_errno("imsg_add FETCH_HAVE_REF");
614 33501562 2020-03-18 stsp ibuf_free(wbuf);
615 33501562 2020-03-18 stsp return err;
616 33501562 2020-03-18 stsp }
617 33501562 2020-03-18 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1) {
618 4ba14133 2020-03-20 stsp err = got_error_from_errno("imsg_add FETCH_HAVE_REF");
619 33501562 2020-03-18 stsp ibuf_free(wbuf);
620 33501562 2020-03-18 stsp return err;
621 33501562 2020-03-18 stsp }
622 33501562 2020-03-18 stsp if (imsg_add(wbuf, name, name_len) == -1) {
623 4ba14133 2020-03-20 stsp err = got_error_from_errno("imsg_add FETCH_HAVE_REF");
624 33501562 2020-03-18 stsp ibuf_free(wbuf);
625 33501562 2020-03-18 stsp return err;
626 33501562 2020-03-18 stsp }
627 4ba14133 2020-03-20 stsp
628 4ba14133 2020-03-20 stsp wbuf->fd = -1;
629 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
630 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
631 4ba14133 2020-03-20 stsp if (err)
632 4ba14133 2020-03-20 stsp return err;
633 33501562 2020-03-18 stsp }
634 33501562 2020-03-18 stsp
635 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry) {
636 4ba14133 2020-03-20 stsp const char *name = pe->path;
637 4ba14133 2020-03-20 stsp size_t name_len = pe->path_len;
638 4ba14133 2020-03-20 stsp
639 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_wanted_branch) + name_len;
640 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_BRANCH, 0, 0,
641 4ba14133 2020-03-20 stsp len);
642 4ba14133 2020-03-20 stsp if (wbuf == NULL)
643 4ba14133 2020-03-20 stsp return got_error_from_errno(
644 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_BRANCH");
645 4ba14133 2020-03-20 stsp
646 4ba14133 2020-03-20 stsp /* Keep in sync with struct got_imsg_fetch_wanted_branch! */
647 4ba14133 2020-03-20 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1) {
648 4ba14133 2020-03-20 stsp err = got_error_from_errno(
649 4ba14133 2020-03-20 stsp "imsg_add FETCH_WANTED_BRANCH");
650 4ba14133 2020-03-20 stsp ibuf_free(wbuf);
651 4ba14133 2020-03-20 stsp return err;
652 4ba14133 2020-03-20 stsp }
653 4ba14133 2020-03-20 stsp if (imsg_add(wbuf, name, name_len) == -1) {
654 4ba14133 2020-03-20 stsp err = got_error_from_errno(
655 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_BRANCH");
656 4ba14133 2020-03-20 stsp ibuf_free(wbuf);
657 4ba14133 2020-03-20 stsp return err;
658 4ba14133 2020-03-20 stsp }
659 4ba14133 2020-03-20 stsp
660 4ba14133 2020-03-20 stsp wbuf->fd = -1;
661 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
662 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
663 4ba14133 2020-03-20 stsp if (err)
664 4ba14133 2020-03-20 stsp return err;
665 4ba14133 2020-03-20 stsp }
666 4ba14133 2020-03-20 stsp
667 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry) {
668 0e4002ca 2020-03-21 stsp const char *name = pe->path;
669 0e4002ca 2020-03-21 stsp size_t name_len = pe->path_len;
670 0e4002ca 2020-03-21 stsp
671 0e4002ca 2020-03-21 stsp len = sizeof(struct got_imsg_fetch_wanted_ref) + name_len;
672 0e4002ca 2020-03-21 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_REF, 0, 0,
673 0e4002ca 2020-03-21 stsp len);
674 0e4002ca 2020-03-21 stsp if (wbuf == NULL)
675 0e4002ca 2020-03-21 stsp return got_error_from_errno(
676 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_REF");
677 0e4002ca 2020-03-21 stsp
678 0e4002ca 2020-03-21 stsp /* Keep in sync with struct got_imsg_fetch_wanted_ref! */
679 0e4002ca 2020-03-21 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1) {
680 0e4002ca 2020-03-21 stsp err = got_error_from_errno(
681 0e4002ca 2020-03-21 stsp "imsg_add FETCH_WANTED_REF");
682 0e4002ca 2020-03-21 stsp ibuf_free(wbuf);
683 0e4002ca 2020-03-21 stsp return err;
684 0e4002ca 2020-03-21 stsp }
685 0e4002ca 2020-03-21 stsp if (imsg_add(wbuf, name, name_len) == -1) {
686 0e4002ca 2020-03-21 stsp err = got_error_from_errno(
687 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_REF");
688 0e4002ca 2020-03-21 stsp ibuf_free(wbuf);
689 0e4002ca 2020-03-21 stsp return err;
690 0e4002ca 2020-03-21 stsp }
691 0e4002ca 2020-03-21 stsp
692 0e4002ca 2020-03-21 stsp wbuf->fd = -1;
693 0e4002ca 2020-03-21 stsp imsg_close(ibuf, wbuf);
694 0e4002ca 2020-03-21 stsp err = flush_imsg(ibuf);
695 0e4002ca 2020-03-21 stsp if (err)
696 0e4002ca 2020-03-21 stsp return err;
697 0e4002ca 2020-03-21 stsp }
698 0e4002ca 2020-03-21 stsp
699 0e4002ca 2020-03-21 stsp
700 4ba14133 2020-03-20 stsp return NULL;
701 4ba14133 2020-03-20 stsp
702 93658fb9 2020-03-18 stsp }
703 93658fb9 2020-03-18 stsp
704 93658fb9 2020-03-18 stsp const struct got_error *
705 f826addf 2020-03-18 stsp got_privsep_send_fetch_outfd(struct imsgbuf *ibuf, int fd)
706 f826addf 2020-03-18 stsp {
707 f826addf 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_FETCH_OUTFD, fd);
708 531c3985 2020-03-18 stsp }
709 531c3985 2020-03-18 stsp
710 531c3985 2020-03-18 stsp const struct got_error *
711 8f2d01a6 2020-03-18 stsp got_privsep_recv_fetch_progress(int *done, struct got_object_id **id,
712 531c3985 2020-03-18 stsp char **refname, struct got_pathlist_head *symrefs, char **server_progress,
713 1d72a2a0 2020-03-24 stsp off_t *packfile_size, uint8_t *pack_sha1, struct imsgbuf *ibuf)
714 b9f99abf 2020-03-18 stsp {
715 b9f99abf 2020-03-18 stsp const struct got_error *err = NULL;
716 b9f99abf 2020-03-18 stsp struct imsg imsg;
717 b9f99abf 2020-03-18 stsp size_t datalen;
718 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symrefs *isymrefs = NULL;
719 abe0f35f 2020-03-18 stsp size_t n, remain;
720 abe0f35f 2020-03-18 stsp off_t off;
721 531c3985 2020-03-18 stsp int i;
722 b9f99abf 2020-03-18 stsp
723 8f2d01a6 2020-03-18 stsp *done = 0;
724 8f2d01a6 2020-03-18 stsp *id = NULL;
725 b9f99abf 2020-03-18 stsp *refname = NULL;
726 531c3985 2020-03-18 stsp *server_progress = NULL;
727 5a489642 2020-03-19 stsp *packfile_size = 0;
728 1d72a2a0 2020-03-24 stsp memset(pack_sha1, 0, SHA1_DIGEST_LENGTH);
729 b9f99abf 2020-03-18 stsp
730 531c3985 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
731 b9f99abf 2020-03-18 stsp if (err)
732 b9f99abf 2020-03-18 stsp return err;
733 b9f99abf 2020-03-18 stsp
734 b9f99abf 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
735 b9f99abf 2020-03-18 stsp switch (imsg.hdr.type) {
736 b9f99abf 2020-03-18 stsp case GOT_IMSG_ERROR:
737 531c3985 2020-03-18 stsp if (datalen < sizeof(struct got_imsg_error)) {
738 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
739 531c3985 2020-03-18 stsp break;
740 531c3985 2020-03-18 stsp }
741 b9f99abf 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
742 b9f99abf 2020-03-18 stsp break;
743 abe0f35f 2020-03-18 stsp case GOT_IMSG_FETCH_SYMREFS:
744 abe0f35f 2020-03-18 stsp if (datalen < sizeof(*isymrefs)) {
745 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
746 abe0f35f 2020-03-18 stsp break;
747 abe0f35f 2020-03-18 stsp }
748 abe0f35f 2020-03-18 stsp if (isymrefs != NULL) {
749 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
750 abe0f35f 2020-03-18 stsp break;
751 abe0f35f 2020-03-18 stsp }
752 abe0f35f 2020-03-18 stsp isymrefs = (struct got_imsg_fetch_symrefs *)imsg.data;
753 abe0f35f 2020-03-18 stsp off = sizeof(*isymrefs);
754 abe0f35f 2020-03-18 stsp remain = datalen - off;
755 abe0f35f 2020-03-18 stsp for (n = 0; n < isymrefs->nsymrefs; n++) {
756 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symref *s;
757 abe0f35f 2020-03-18 stsp char *name, *target;
758 abe0f35f 2020-03-18 stsp if (remain < sizeof(struct got_imsg_fetch_symref)) {
759 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
760 abe0f35f 2020-03-18 stsp goto done;
761 abe0f35f 2020-03-18 stsp }
762 abe0f35f 2020-03-18 stsp s = (struct got_imsg_fetch_symref *)(imsg.data + off);
763 abe0f35f 2020-03-18 stsp off += sizeof(*s);
764 abe0f35f 2020-03-18 stsp remain -= sizeof(*s);
765 abe0f35f 2020-03-18 stsp if (remain < s->name_len) {
766 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
767 abe0f35f 2020-03-18 stsp goto done;
768 abe0f35f 2020-03-18 stsp }
769 abe0f35f 2020-03-18 stsp name = strndup(imsg.data + off, s->name_len);
770 abe0f35f 2020-03-18 stsp if (name == NULL) {
771 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
772 abe0f35f 2020-03-18 stsp goto done;
773 abe0f35f 2020-03-18 stsp }
774 abe0f35f 2020-03-18 stsp off += s->name_len;
775 abe0f35f 2020-03-18 stsp remain -= s->name_len;
776 abe0f35f 2020-03-18 stsp if (remain < s->target_len) {
777 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
778 abe0f35f 2020-03-18 stsp free(name);
779 abe0f35f 2020-03-18 stsp goto done;
780 abe0f35f 2020-03-18 stsp }
781 abe0f35f 2020-03-18 stsp target = strndup(imsg.data + off, s->target_len);
782 abe0f35f 2020-03-18 stsp if (target == NULL) {
783 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
784 abe0f35f 2020-03-18 stsp free(name);
785 abe0f35f 2020-03-18 stsp goto done;
786 abe0f35f 2020-03-18 stsp }
787 abe0f35f 2020-03-18 stsp off += s->target_len;
788 abe0f35f 2020-03-18 stsp remain -= s->target_len;
789 abe0f35f 2020-03-18 stsp err = got_pathlist_append(symrefs, name, target);
790 abe0f35f 2020-03-18 stsp if (err) {
791 abe0f35f 2020-03-18 stsp free(name);
792 abe0f35f 2020-03-18 stsp free(target);
793 abe0f35f 2020-03-18 stsp goto done;
794 abe0f35f 2020-03-18 stsp }
795 abe0f35f 2020-03-18 stsp }
796 abe0f35f 2020-03-18 stsp break;
797 ea7396b9 2020-03-18 stsp case GOT_IMSG_FETCH_REF:
798 531c3985 2020-03-18 stsp if (datalen <= SHA1_DIGEST_LENGTH) {
799 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
800 531c3985 2020-03-18 stsp break;
801 531c3985 2020-03-18 stsp }
802 8f2d01a6 2020-03-18 stsp *id = malloc(sizeof(**id));
803 8f2d01a6 2020-03-18 stsp if (*id == NULL) {
804 b9f99abf 2020-03-18 stsp err = got_error_from_errno("malloc");
805 b9f99abf 2020-03-18 stsp break;
806 b9f99abf 2020-03-18 stsp }
807 8f2d01a6 2020-03-18 stsp memcpy((*id)->sha1, imsg.data, SHA1_DIGEST_LENGTH);
808 b9f99abf 2020-03-18 stsp *refname = strndup(imsg.data + SHA1_DIGEST_LENGTH,
809 b9f99abf 2020-03-18 stsp datalen - SHA1_DIGEST_LENGTH);
810 b9f99abf 2020-03-18 stsp if (*refname == NULL) {
811 b9f99abf 2020-03-18 stsp err = got_error_from_errno("strndup");
812 8f2d01a6 2020-03-18 stsp break;
813 8f2d01a6 2020-03-18 stsp }
814 8f2d01a6 2020-03-18 stsp break;
815 531c3985 2020-03-18 stsp case GOT_IMSG_FETCH_SERVER_PROGRESS:
816 531c3985 2020-03-18 stsp if (datalen == 0) {
817 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
818 531c3985 2020-03-18 stsp break;
819 531c3985 2020-03-18 stsp }
820 531c3985 2020-03-18 stsp *server_progress = strndup(imsg.data, datalen);
821 531c3985 2020-03-18 stsp if (*server_progress == NULL) {
822 531c3985 2020-03-18 stsp err = got_error_from_errno("strndup");
823 531c3985 2020-03-18 stsp break;
824 531c3985 2020-03-18 stsp }
825 531c3985 2020-03-18 stsp for (i = 0; i < datalen; i++) {
826 531c3985 2020-03-18 stsp if (!isprint((unsigned char)(*server_progress)[i]) &&
827 531c3985 2020-03-18 stsp !isspace((unsigned char)(*server_progress)[i])) {
828 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
829 531c3985 2020-03-18 stsp free(*server_progress);
830 531c3985 2020-03-18 stsp *server_progress = NULL;
831 531c3985 2020-03-18 stsp goto done;
832 531c3985 2020-03-18 stsp }
833 531c3985 2020-03-18 stsp }
834 531c3985 2020-03-18 stsp break;
835 d2cdc636 2020-03-18 stsp case GOT_IMSG_FETCH_DOWNLOAD_PROGRESS:
836 d2cdc636 2020-03-18 stsp if (datalen < sizeof(*packfile_size)) {
837 d2cdc636 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
838 d2cdc636 2020-03-18 stsp break;
839 d2cdc636 2020-03-18 stsp }
840 d2cdc636 2020-03-18 stsp memcpy(packfile_size, imsg.data, sizeof(*packfile_size));
841 d2cdc636 2020-03-18 stsp break;
842 8f2d01a6 2020-03-18 stsp case GOT_IMSG_FETCH_DONE:
843 8f2d01a6 2020-03-18 stsp if (datalen != SHA1_DIGEST_LENGTH) {
844 8f2d01a6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
845 8f2d01a6 2020-03-18 stsp break;
846 8f2d01a6 2020-03-18 stsp }
847 1d72a2a0 2020-03-24 stsp memcpy(pack_sha1, imsg.data, SHA1_DIGEST_LENGTH);
848 8f2d01a6 2020-03-18 stsp *done = 1;
849 b9f99abf 2020-03-18 stsp break;
850 b9f99abf 2020-03-18 stsp default:
851 b887aab6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
852 b887aab6 2020-03-18 stsp break;
853 b9f99abf 2020-03-18 stsp }
854 abe0f35f 2020-03-18 stsp done:
855 b887aab6 2020-03-18 stsp if (err) {
856 8f2d01a6 2020-03-18 stsp free(*id);
857 8f2d01a6 2020-03-18 stsp *id = NULL;
858 b887aab6 2020-03-18 stsp free(*refname);
859 b887aab6 2020-03-18 stsp *refname = NULL;
860 f8a36e22 2021-08-26 stsp }
861 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
862 f8a36e22 2021-08-26 stsp return err;
863 f8a36e22 2021-08-26 stsp }
864 f8a36e22 2021-08-26 stsp
865 f8a36e22 2021-08-26 stsp static const struct got_error *
866 f8a36e22 2021-08-26 stsp send_send_ref(const char *name, size_t name_len, struct got_object_id *id,
867 f8a36e22 2021-08-26 stsp int delete, struct imsgbuf *ibuf)
868 f8a36e22 2021-08-26 stsp {
869 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
870 f8a36e22 2021-08-26 stsp size_t len;
871 f8a36e22 2021-08-26 stsp struct ibuf *wbuf;
872 f8a36e22 2021-08-26 stsp
873 f8a36e22 2021-08-26 stsp len = sizeof(struct got_imsg_send_ref) + name_len;
874 f8a36e22 2021-08-26 stsp wbuf = imsg_create(ibuf, GOT_IMSG_SEND_REF, 0, 0, len);
875 f8a36e22 2021-08-26 stsp if (wbuf == NULL)
876 f8a36e22 2021-08-26 stsp return got_error_from_errno("imsg_create SEND_REF");
877 f8a36e22 2021-08-26 stsp
878 f8a36e22 2021-08-26 stsp /* Keep in sync with struct got_imsg_send_ref! */
879 f8a36e22 2021-08-26 stsp if (imsg_add(wbuf, id->sha1, sizeof(id->sha1)) == -1) {
880 f8a36e22 2021-08-26 stsp err = got_error_from_errno("imsg_add SEND_REF");
881 f8a36e22 2021-08-26 stsp ibuf_free(wbuf);
882 f8a36e22 2021-08-26 stsp return err;
883 f8a36e22 2021-08-26 stsp }
884 f8a36e22 2021-08-26 stsp if (imsg_add(wbuf, &delete, sizeof(delete)) == -1) {
885 f8a36e22 2021-08-26 stsp err = got_error_from_errno("imsg_add SEND_REF");
886 f8a36e22 2021-08-26 stsp ibuf_free(wbuf);
887 f8a36e22 2021-08-26 stsp return err;
888 f8a36e22 2021-08-26 stsp }
889 f8a36e22 2021-08-26 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1) {
890 f8a36e22 2021-08-26 stsp err = got_error_from_errno("imsg_add SEND_REF");
891 f8a36e22 2021-08-26 stsp ibuf_free(wbuf);
892 f8a36e22 2021-08-26 stsp return err;
893 f8a36e22 2021-08-26 stsp }
894 f8a36e22 2021-08-26 stsp if (imsg_add(wbuf, name, name_len) == -1) {
895 f8a36e22 2021-08-26 stsp err = got_error_from_errno("imsg_add SEND_REF");
896 f8a36e22 2021-08-26 stsp ibuf_free(wbuf);
897 f8a36e22 2021-08-26 stsp return err;
898 f8a36e22 2021-08-26 stsp }
899 f8a36e22 2021-08-26 stsp
900 f8a36e22 2021-08-26 stsp wbuf->fd = -1;
901 f8a36e22 2021-08-26 stsp imsg_close(ibuf, wbuf);
902 f8a36e22 2021-08-26 stsp return flush_imsg(ibuf);
903 f8a36e22 2021-08-26 stsp }
904 f8a36e22 2021-08-26 stsp
905 f8a36e22 2021-08-26 stsp const struct got_error *
906 f8a36e22 2021-08-26 stsp got_privsep_send_send_req(struct imsgbuf *ibuf, int fd,
907 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs,
908 abc59930 2021-09-05 naddy struct got_pathlist_head *delete_refs,
909 abc59930 2021-09-05 naddy int verbosity)
910 f8a36e22 2021-08-26 stsp {
911 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
912 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *pe;
913 f8a36e22 2021-08-26 stsp struct got_imsg_send_request sendreq;
914 f8a36e22 2021-08-26 stsp struct got_object_id zero_id;
915 f8a36e22 2021-08-26 stsp
916 f8a36e22 2021-08-26 stsp memset(&zero_id, 0, sizeof(zero_id));
917 f8a36e22 2021-08-26 stsp memset(&sendreq, 0, sizeof(sendreq));
918 f8a36e22 2021-08-26 stsp sendreq.verbosity = verbosity;
919 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry)
920 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
921 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry)
922 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
923 f8a36e22 2021-08-26 stsp if (imsg_compose(ibuf, GOT_IMSG_SEND_REQUEST, 0, 0, fd,
924 f8a36e22 2021-08-26 stsp &sendreq, sizeof(sendreq)) == -1) {
925 f8a36e22 2021-08-26 stsp err = got_error_from_errno(
926 f8a36e22 2021-08-26 stsp "imsg_compose FETCH_SERVER_PROGRESS");
927 f8a36e22 2021-08-26 stsp goto done;
928 f8a36e22 2021-08-26 stsp }
929 f8a36e22 2021-08-26 stsp
930 f8a36e22 2021-08-26 stsp err = flush_imsg(ibuf);
931 f8a36e22 2021-08-26 stsp if (err)
932 f8a36e22 2021-08-26 stsp goto done;
933 f8a36e22 2021-08-26 stsp fd = -1;
934 f8a36e22 2021-08-26 stsp
935 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry) {
936 f8a36e22 2021-08-26 stsp const char *name = pe->path;
937 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
938 f8a36e22 2021-08-26 stsp struct got_object_id *id = pe->data;
939 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, id, 0, ibuf);
940 f8a36e22 2021-08-26 stsp if (err)
941 f8a36e22 2021-08-26 stsp goto done;
942 f8a36e22 2021-08-26 stsp }
943 f8a36e22 2021-08-26 stsp
944 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry) {
945 f8a36e22 2021-08-26 stsp const char *name = pe->path;
946 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
947 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, &zero_id, 1, ibuf);
948 f8a36e22 2021-08-26 stsp if (err)
949 f8a36e22 2021-08-26 stsp goto done;
950 f8a36e22 2021-08-26 stsp }
951 f8a36e22 2021-08-26 stsp done:
952 f8a36e22 2021-08-26 stsp if (fd != -1 && close(fd) == -1 && err == NULL)
953 f8a36e22 2021-08-26 stsp err = got_error_from_errno("close");
954 f8a36e22 2021-08-26 stsp return err;
955 f8a36e22 2021-08-26 stsp
956 f8a36e22 2021-08-26 stsp }
957 f8a36e22 2021-08-26 stsp
958 f8a36e22 2021-08-26 stsp const struct got_error *
959 f8a36e22 2021-08-26 stsp got_privsep_recv_send_remote_refs(struct got_pathlist_head *remote_refs,
960 f8a36e22 2021-08-26 stsp struct imsgbuf *ibuf)
961 f8a36e22 2021-08-26 stsp {
962 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
963 f8a36e22 2021-08-26 stsp struct imsg imsg;
964 f8a36e22 2021-08-26 stsp size_t datalen;
965 f8a36e22 2021-08-26 stsp int done = 0;
966 f8a36e22 2021-08-26 stsp struct got_imsg_send_remote_ref iremote_ref;
967 f8a36e22 2021-08-26 stsp struct got_object_id *id = NULL;
968 f8a36e22 2021-08-26 stsp char *refname = NULL;
969 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *new;
970 f8a36e22 2021-08-26 stsp
971 f8a36e22 2021-08-26 stsp while (!done) {
972 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
973 f8a36e22 2021-08-26 stsp if (err)
974 f8a36e22 2021-08-26 stsp return err;
975 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
976 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
977 f8a36e22 2021-08-26 stsp case GOT_IMSG_ERROR:
978 f8a36e22 2021-08-26 stsp if (datalen < sizeof(struct got_imsg_error)) {
979 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
980 f8a36e22 2021-08-26 stsp goto done;
981 f8a36e22 2021-08-26 stsp }
982 f8a36e22 2021-08-26 stsp err = recv_imsg_error(&imsg, datalen);
983 f8a36e22 2021-08-26 stsp goto done;
984 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REMOTE_REF:
985 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iremote_ref)) {
986 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
987 f8a36e22 2021-08-26 stsp goto done;
988 f8a36e22 2021-08-26 stsp }
989 f8a36e22 2021-08-26 stsp memcpy(&iremote_ref, imsg.data, sizeof(iremote_ref));
990 f8a36e22 2021-08-26 stsp if (datalen != sizeof(iremote_ref) +
991 f8a36e22 2021-08-26 stsp iremote_ref.name_len) {
992 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
993 f8a36e22 2021-08-26 stsp goto done;
994 f8a36e22 2021-08-26 stsp }
995 f8a36e22 2021-08-26 stsp id = malloc(sizeof(*id));
996 f8a36e22 2021-08-26 stsp if (id == NULL) {
997 f8a36e22 2021-08-26 stsp err = got_error_from_errno("malloc");
998 f8a36e22 2021-08-26 stsp goto done;
999 f8a36e22 2021-08-26 stsp }
1000 f8a36e22 2021-08-26 stsp memcpy(id->sha1, iremote_ref.id, SHA1_DIGEST_LENGTH);
1001 f8a36e22 2021-08-26 stsp refname = strndup(imsg.data + sizeof(iremote_ref),
1002 f8a36e22 2021-08-26 stsp datalen - sizeof(iremote_ref));
1003 f8a36e22 2021-08-26 stsp if (refname == NULL) {
1004 f8a36e22 2021-08-26 stsp err = got_error_from_errno("strndup");
1005 f8a36e22 2021-08-26 stsp goto done;
1006 f8a36e22 2021-08-26 stsp }
1007 f8a36e22 2021-08-26 stsp err = got_pathlist_insert(&new, remote_refs,
1008 f8a36e22 2021-08-26 stsp refname, id);
1009 f8a36e22 2021-08-26 stsp if (err)
1010 f8a36e22 2021-08-26 stsp goto done;
1011 f8a36e22 2021-08-26 stsp if (new == NULL) { /* duplicate which wasn't inserted */
1012 f8a36e22 2021-08-26 stsp free(id);
1013 f8a36e22 2021-08-26 stsp free(refname);
1014 f8a36e22 2021-08-26 stsp }
1015 f8a36e22 2021-08-26 stsp id = NULL;
1016 f8a36e22 2021-08-26 stsp refname = NULL;
1017 f8a36e22 2021-08-26 stsp break;
1018 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_PACK_REQUEST:
1019 f8a36e22 2021-08-26 stsp if (datalen != 0) {
1020 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1021 f8a36e22 2021-08-26 stsp goto done;
1022 f8a36e22 2021-08-26 stsp }
1023 f8a36e22 2021-08-26 stsp /* got-send-pack is now waiting for a pack file. */
1024 f8a36e22 2021-08-26 stsp done = 1;
1025 f8a36e22 2021-08-26 stsp break;
1026 f8a36e22 2021-08-26 stsp default:
1027 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1028 f8a36e22 2021-08-26 stsp break;
1029 f8a36e22 2021-08-26 stsp }
1030 b887aab6 2020-03-18 stsp }
1031 f8a36e22 2021-08-26 stsp done:
1032 f8a36e22 2021-08-26 stsp free(id);
1033 f8a36e22 2021-08-26 stsp free(refname);
1034 b9f99abf 2020-03-18 stsp imsg_free(&imsg);
1035 b9f99abf 2020-03-18 stsp return err;
1036 93658fb9 2020-03-18 stsp }
1037 93658fb9 2020-03-18 stsp
1038 93658fb9 2020-03-18 stsp const struct got_error *
1039 f8a36e22 2021-08-26 stsp got_privsep_send_packfd(struct imsgbuf *ibuf, int fd)
1040 f8a36e22 2021-08-26 stsp {
1041 f8a36e22 2021-08-26 stsp return send_fd(ibuf, GOT_IMSG_SEND_PACKFD, fd);
1042 f8a36e22 2021-08-26 stsp }
1043 f8a36e22 2021-08-26 stsp
1044 f8a36e22 2021-08-26 stsp const struct got_error *
1045 f8a36e22 2021-08-26 stsp got_privsep_recv_send_progress(int *done, off_t *bytes_sent,
1046 f8a36e22 2021-08-26 stsp int *success, char **refname, struct imsgbuf *ibuf)
1047 f8a36e22 2021-08-26 stsp {
1048 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
1049 f8a36e22 2021-08-26 stsp struct imsg imsg;
1050 f8a36e22 2021-08-26 stsp size_t datalen;
1051 f8a36e22 2021-08-26 stsp struct got_imsg_send_ref_status iref_status;
1052 f8a36e22 2021-08-26 stsp
1053 f8a36e22 2021-08-26 stsp /* Do not reset the current value of 'bytes_sent', it accumulates. */
1054 f8a36e22 2021-08-26 stsp *done = 0;
1055 f8a36e22 2021-08-26 stsp *success = 0;
1056 f8a36e22 2021-08-26 stsp *refname = NULL;
1057 f8a36e22 2021-08-26 stsp
1058 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1059 f8a36e22 2021-08-26 stsp if (err)
1060 f8a36e22 2021-08-26 stsp return err;
1061 f8a36e22 2021-08-26 stsp
1062 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1063 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
1064 f8a36e22 2021-08-26 stsp case GOT_IMSG_ERROR:
1065 f8a36e22 2021-08-26 stsp if (datalen < sizeof(struct got_imsg_error)) {
1066 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1067 f8a36e22 2021-08-26 stsp break;
1068 f8a36e22 2021-08-26 stsp }
1069 f8a36e22 2021-08-26 stsp err = recv_imsg_error(&imsg, datalen);
1070 f8a36e22 2021-08-26 stsp break;
1071 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_UPLOAD_PROGRESS:
1072 f8a36e22 2021-08-26 stsp if (datalen < sizeof(*bytes_sent)) {
1073 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1074 f8a36e22 2021-08-26 stsp break;
1075 f8a36e22 2021-08-26 stsp }
1076 f8a36e22 2021-08-26 stsp memcpy(bytes_sent, imsg.data, sizeof(*bytes_sent));
1077 f8a36e22 2021-08-26 stsp break;
1078 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REF_STATUS:
1079 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iref_status)) {
1080 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1081 f8a36e22 2021-08-26 stsp break;
1082 f8a36e22 2021-08-26 stsp }
1083 f8a36e22 2021-08-26 stsp memcpy(&iref_status, imsg.data, sizeof(iref_status));
1084 f8a36e22 2021-08-26 stsp if (datalen != sizeof(iref_status) + iref_status.name_len) {
1085 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1086 f8a36e22 2021-08-26 stsp break;
1087 f8a36e22 2021-08-26 stsp }
1088 f8a36e22 2021-08-26 stsp *success = iref_status.success;
1089 f8a36e22 2021-08-26 stsp *refname = strndup(imsg.data + sizeof(iref_status),
1090 f8a36e22 2021-08-26 stsp iref_status.name_len);
1091 f8a36e22 2021-08-26 stsp break;
1092 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_DONE:
1093 f8a36e22 2021-08-26 stsp if (datalen != 0) {
1094 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1095 f8a36e22 2021-08-26 stsp break;
1096 f8a36e22 2021-08-26 stsp }
1097 f8a36e22 2021-08-26 stsp *done = 1;
1098 f8a36e22 2021-08-26 stsp break;
1099 f8a36e22 2021-08-26 stsp default:
1100 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1101 f8a36e22 2021-08-26 stsp break;
1102 f8a36e22 2021-08-26 stsp }
1103 f8a36e22 2021-08-26 stsp
1104 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
1105 f8a36e22 2021-08-26 stsp return err;
1106 f8a36e22 2021-08-26 stsp }
1107 f8a36e22 2021-08-26 stsp
1108 f8a36e22 2021-08-26 stsp const struct got_error *
1109 fd251256 2020-03-24 stsp got_privsep_send_index_pack_req(struct imsgbuf *ibuf, uint8_t *pack_sha1,
1110 668a20f6 2020-03-18 stsp int fd)
1111 93658fb9 2020-03-18 stsp {
1112 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1113 93658fb9 2020-03-18 stsp
1114 668a20f6 2020-03-18 stsp /* Keep in sync with struct got_imsg_index_pack_request */
1115 93658fb9 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_IDXPACK_REQUEST, 0, 0, fd,
1116 fd251256 2020-03-24 stsp pack_sha1, SHA1_DIGEST_LENGTH) == -1) {
1117 93658fb9 2020-03-18 stsp err = got_error_from_errno("imsg_compose INDEX_REQUEST");
1118 93658fb9 2020-03-18 stsp close(fd);
1119 93658fb9 2020-03-18 stsp return err;
1120 93658fb9 2020-03-18 stsp }
1121 baa9fea0 2020-03-18 stsp return flush_imsg(ibuf);
1122 baa9fea0 2020-03-18 stsp }
1123 baa9fea0 2020-03-18 stsp
1124 baa9fea0 2020-03-18 stsp const struct got_error *
1125 73ab1060 2020-03-18 stsp got_privsep_send_index_pack_outfd(struct imsgbuf *ibuf, int fd)
1126 73ab1060 2020-03-18 stsp {
1127 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_IDXPACK_OUTFD, fd);
1128 73ab1060 2020-03-18 stsp }
1129 73ab1060 2020-03-18 stsp
1130 73ab1060 2020-03-18 stsp const struct got_error *
1131 668a20f6 2020-03-18 stsp got_privsep_recv_index_progress(int *done, int *nobj_total,
1132 668a20f6 2020-03-18 stsp int *nobj_indexed, int *nobj_loose, int *nobj_resolved,
1133 668a20f6 2020-03-18 stsp struct imsgbuf *ibuf)
1134 93658fb9 2020-03-18 stsp {
1135 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1136 93658fb9 2020-03-18 stsp struct imsg imsg;
1137 baa9fea0 2020-03-18 stsp struct got_imsg_index_pack_progress *iprogress;
1138 baa9fea0 2020-03-18 stsp size_t datalen;
1139 93658fb9 2020-03-18 stsp
1140 baa9fea0 2020-03-18 stsp *done = 0;
1141 668a20f6 2020-03-18 stsp *nobj_total = 0;
1142 668a20f6 2020-03-18 stsp *nobj_indexed = 0;
1143 668a20f6 2020-03-18 stsp *nobj_resolved = 0;
1144 baa9fea0 2020-03-18 stsp
1145 93658fb9 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1146 93658fb9 2020-03-18 stsp if (err)
1147 93658fb9 2020-03-18 stsp return err;
1148 baa9fea0 2020-03-18 stsp
1149 baa9fea0 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1150 baa9fea0 2020-03-18 stsp switch (imsg.hdr.type) {
1151 baa9fea0 2020-03-18 stsp case GOT_IMSG_ERROR:
1152 baa9fea0 2020-03-18 stsp if (datalen < sizeof(struct got_imsg_error)) {
1153 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1154 baa9fea0 2020-03-18 stsp break;
1155 baa9fea0 2020-03-18 stsp }
1156 baa9fea0 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
1157 baa9fea0 2020-03-18 stsp break;
1158 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_PROGRESS:
1159 baa9fea0 2020-03-18 stsp if (datalen < sizeof(*iprogress)) {
1160 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1161 baa9fea0 2020-03-18 stsp break;
1162 baa9fea0 2020-03-18 stsp }
1163 baa9fea0 2020-03-18 stsp iprogress = (struct got_imsg_index_pack_progress *)imsg.data;
1164 668a20f6 2020-03-18 stsp *nobj_total = iprogress->nobj_total;
1165 668a20f6 2020-03-18 stsp *nobj_indexed = iprogress->nobj_indexed;
1166 668a20f6 2020-03-18 stsp *nobj_loose = iprogress->nobj_loose;
1167 668a20f6 2020-03-18 stsp *nobj_resolved = iprogress->nobj_resolved;
1168 baa9fea0 2020-03-18 stsp break;
1169 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_DONE:
1170 baa9fea0 2020-03-18 stsp if (datalen != 0) {
1171 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1172 baa9fea0 2020-03-18 stsp break;
1173 baa9fea0 2020-03-18 stsp }
1174 baa9fea0 2020-03-18 stsp *done = 1;
1175 baa9fea0 2020-03-18 stsp break;
1176 baa9fea0 2020-03-18 stsp default:
1177 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1178 baa9fea0 2020-03-18 stsp break;
1179 baa9fea0 2020-03-18 stsp }
1180 baa9fea0 2020-03-18 stsp
1181 93658fb9 2020-03-18 stsp imsg_free(&imsg);
1182 baa9fea0 2020-03-18 stsp return err;
1183 93658fb9 2020-03-18 stsp }
1184 93658fb9 2020-03-18 stsp
1185 93658fb9 2020-03-18 stsp const struct got_error *
1186 cfd633c2 2018-09-10 stsp got_privsep_get_imsg_obj(struct got_object **obj, struct imsg *imsg,
1187 cfd633c2 2018-09-10 stsp struct imsgbuf *ibuf)
1188 cfd633c2 2018-09-10 stsp {
1189 cfd633c2 2018-09-10 stsp const struct got_error *err = NULL;
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 876c234b 2018-09-10 stsp
1212 876c234b 2018-09-10 stsp return err;
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 79f35eb3 2018-06-11 stsp 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 ca6e02ac 2020-01-07 stsp memcpy(qid->id, imsg->data + len +
1447 ca6e02ac 2020-01-07 stsp 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 3022d272 2019-11-14 stsp got_privsep_send_tree(struct imsgbuf *ibuf, struct got_pathlist_head *entries,
1493 3022d272 2019-11-14 stsp 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 3022d272 2019-11-14 stsp struct got_pathlist_entry *pe;
1498 b00c9821 2018-11-04 stsp size_t totlen;
1499 6eb07a17 2018-11-04 stsp int nimsg; /* number of imsg queued in ibuf */
1500 e033d803 2018-04-23 stsp
1501 3022d272 2019-11-14 stsp itree.nentries = nentries;
1502 e033d803 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_TREE, 0, 0, -1, &itree, sizeof(itree))
1503 e033d803 2018-04-23 stsp == -1)
1504 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose TREE");
1505 e033d803 2018-04-23 stsp
1506 b00c9821 2018-11-04 stsp totlen = sizeof(itree);
1507 6eb07a17 2018-11-04 stsp nimsg = 1;
1508 3022d272 2019-11-14 stsp TAILQ_FOREACH(pe, entries, entry) {
1509 3022d272 2019-11-14 stsp const char *name = pe->path;
1510 3022d272 2019-11-14 stsp struct got_parsed_tree_entry *pte = pe->data;
1511 3022d272 2019-11-14 stsp struct ibuf *wbuf;
1512 3022d272 2019-11-14 stsp size_t namelen = strlen(name);
1513 cd9e913a 2019-11-27 stsp size_t len = sizeof(struct got_imsg_tree_entry) + namelen;
1514 e033d803 2018-04-23 stsp
1515 e033d803 2018-04-23 stsp if (len > MAX_IMSGSIZE)
1516 e033d803 2018-04-23 stsp return got_error(GOT_ERR_NO_SPACE);
1517 e033d803 2018-04-23 stsp
1518 6eb07a17 2018-11-04 stsp nimsg++;
1519 6eb07a17 2018-11-04 stsp if (totlen + len >= MAX_IMSGSIZE - (IMSG_HEADER_SIZE * nimsg)) {
1520 b00c9821 2018-11-04 stsp err = flush_imsg(ibuf);
1521 b00c9821 2018-11-04 stsp if (err)
1522 b00c9821 2018-11-04 stsp return err;
1523 6eb07a17 2018-11-04 stsp nimsg = 0;
1524 b00c9821 2018-11-04 stsp }
1525 b00c9821 2018-11-04 stsp
1526 3022d272 2019-11-14 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_ENTRY, 0, 0, len);
1527 3022d272 2019-11-14 stsp if (wbuf == NULL)
1528 3022d272 2019-11-14 stsp return got_error_from_errno("imsg_create TREE_ENTRY");
1529 e033d803 2018-04-23 stsp
1530 3022d272 2019-11-14 stsp /* Keep in sync with struct got_imsg_tree_object definition! */
1531 3b647085 2019-11-23 stsp if (imsg_add(wbuf, pte->id, SHA1_DIGEST_LENGTH) == -1) {
1532 3022d272 2019-11-14 stsp err = got_error_from_errno("imsg_add TREE_ENTRY");
1533 3b647085 2019-11-23 stsp ibuf_free(wbuf);
1534 e033d803 2018-04-23 stsp return err;
1535 3b647085 2019-11-23 stsp }
1536 3b647085 2019-11-23 stsp if (imsg_add(wbuf, &pte->mode, sizeof(pte->mode)) == -1) {
1537 3022d272 2019-11-14 stsp err = got_error_from_errno("imsg_add TREE_ENTRY");
1538 3b647085 2019-11-23 stsp ibuf_free(wbuf);
1539 3022d272 2019-11-14 stsp return err;
1540 3b647085 2019-11-23 stsp }
1541 3022d272 2019-11-14 stsp
1542 3b647085 2019-11-23 stsp if (imsg_add(wbuf, name, namelen) == -1) {
1543 3022d272 2019-11-14 stsp err = got_error_from_errno("imsg_add TREE_ENTRY");
1544 3b647085 2019-11-23 stsp ibuf_free(wbuf);
1545 3022d272 2019-11-14 stsp return err;
1546 3b647085 2019-11-23 stsp }
1547 3022d272 2019-11-14 stsp
1548 3022d272 2019-11-14 stsp wbuf->fd = -1;
1549 3022d272 2019-11-14 stsp imsg_close(ibuf, wbuf);
1550 3022d272 2019-11-14 stsp
1551 b00c9821 2018-11-04 stsp totlen += len;
1552 e033d803 2018-04-23 stsp }
1553 e033d803 2018-04-23 stsp
1554 b00c9821 2018-11-04 stsp return flush_imsg(ibuf);
1555 e033d803 2018-04-23 stsp }
1556 e033d803 2018-04-23 stsp
1557 e033d803 2018-04-23 stsp const struct got_error *
1558 068fd2bf 2018-04-24 stsp got_privsep_recv_tree(struct got_tree_object **tree, struct imsgbuf *ibuf)
1559 e033d803 2018-04-23 stsp {
1560 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
1561 e033d803 2018-04-23 stsp const size_t min_datalen =
1562 e033d803 2018-04-23 stsp MIN(sizeof(struct got_imsg_error),
1563 e033d803 2018-04-23 stsp sizeof(struct got_imsg_tree_object));
1564 291624d8 2018-11-07 stsp struct got_imsg_tree_object *itree;
1565 e033d803 2018-04-23 stsp int nentries = 0;
1566 2178c42e 2018-04-22 stsp
1567 e033d803 2018-04-23 stsp *tree = NULL;
1568 e033d803 2018-04-23 stsp get_more:
1569 e033d803 2018-04-23 stsp err = read_imsg(ibuf);
1570 e033d803 2018-04-23 stsp if (err)
1571 1e51f5b9 2018-04-23 stsp goto done;
1572 e033d803 2018-04-23 stsp
1573 656b1f76 2019-05-11 jcs for (;;) {
1574 e033d803 2018-04-23 stsp struct imsg imsg;
1575 e033d803 2018-04-23 stsp size_t n;
1576 e033d803 2018-04-23 stsp size_t datalen;
1577 c0588d8d 2018-11-07 stsp struct got_imsg_tree_entry *ite;
1578 e033d803 2018-04-23 stsp struct got_tree_entry *te = NULL;
1579 e033d803 2018-04-23 stsp
1580 e033d803 2018-04-23 stsp n = imsg_get(ibuf, &imsg);
1581 e033d803 2018-04-23 stsp if (n == 0) {
1582 56e0773d 2019-11-28 stsp if (*tree && (*tree)->nentries != nentries)
1583 e033d803 2018-04-23 stsp goto get_more;
1584 e033d803 2018-04-23 stsp break;
1585 e033d803 2018-04-23 stsp }
1586 e033d803 2018-04-23 stsp
1587 fca1f6ad 2020-08-27 stsp if (imsg.hdr.len < IMSG_HEADER_SIZE + min_datalen) {
1588 fca1f6ad 2020-08-27 stsp imsg_free(&imsg);
1589 fca1f6ad 2020-08-27 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1590 fca1f6ad 2020-08-27 stsp break;
1591 fca1f6ad 2020-08-27 stsp }
1592 e033d803 2018-04-23 stsp
1593 e033d803 2018-04-23 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1594 e033d803 2018-04-23 stsp
1595 e033d803 2018-04-23 stsp switch (imsg.hdr.type) {
1596 e033d803 2018-04-23 stsp case GOT_IMSG_ERROR:
1597 e033d803 2018-04-23 stsp err = recv_imsg_error(&imsg, datalen);
1598 e033d803 2018-04-23 stsp break;
1599 e033d803 2018-04-23 stsp case GOT_IMSG_TREE:
1600 e033d803 2018-04-23 stsp /* This message should only appear once. */
1601 e033d803 2018-04-23 stsp if (*tree != NULL) {
1602 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1603 e033d803 2018-04-23 stsp break;
1604 e033d803 2018-04-23 stsp }
1605 291624d8 2018-11-07 stsp if (datalen != sizeof(*itree)) {
1606 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1607 e033d803 2018-04-23 stsp break;
1608 e033d803 2018-04-23 stsp }
1609 291624d8 2018-11-07 stsp itree = imsg.data;
1610 c3b78ecc 2018-11-07 stsp *tree = malloc(sizeof(**tree));
1611 e033d803 2018-04-23 stsp if (*tree == NULL) {
1612 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1613 e033d803 2018-04-23 stsp break;
1614 e033d803 2018-04-23 stsp }
1615 56e0773d 2019-11-28 stsp (*tree)->entries = calloc(itree->nentries,
1616 56e0773d 2019-11-28 stsp sizeof(struct got_tree_entry));
1617 56e0773d 2019-11-28 stsp if ((*tree)->entries == NULL) {
1618 56e0773d 2019-11-28 stsp err = got_error_from_errno("malloc");
1619 56e0773d 2019-11-28 stsp break;
1620 56e0773d 2019-11-28 stsp }
1621 56e0773d 2019-11-28 stsp (*tree)->nentries = itree->nentries;
1622 c3b78ecc 2018-11-07 stsp (*tree)->refcnt = 0;
1623 e033d803 2018-04-23 stsp break;
1624 e033d803 2018-04-23 stsp case GOT_IMSG_TREE_ENTRY:
1625 e033d803 2018-04-23 stsp /* This message should be preceeded by GOT_IMSG_TREE. */
1626 e033d803 2018-04-23 stsp if (*tree == NULL) {
1627 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1628 e033d803 2018-04-23 stsp break;
1629 e033d803 2018-04-23 stsp }
1630 c0588d8d 2018-11-07 stsp if (datalen < sizeof(*ite) || datalen > MAX_IMSGSIZE) {
1631 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1632 e033d803 2018-04-23 stsp break;
1633 e033d803 2018-04-23 stsp }
1634 e033d803 2018-04-23 stsp
1635 e033d803 2018-04-23 stsp /* Remaining data contains the entry's name. */
1636 c0588d8d 2018-11-07 stsp datalen -= sizeof(*ite);
1637 e033d803 2018-04-23 stsp if (datalen == 0 || datalen > MAX_IMSGSIZE) {
1638 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1639 e033d803 2018-04-23 stsp break;
1640 e033d803 2018-04-23 stsp }
1641 c0588d8d 2018-11-07 stsp ite = imsg.data;
1642 052d4dc3 2018-04-23 stsp
1643 56e0773d 2019-11-28 stsp if (datalen + 1 > sizeof(te->name)) {
1644 56e0773d 2019-11-28 stsp err = got_error(GOT_ERR_NO_SPACE);
1645 e033d803 2018-04-23 stsp break;
1646 e033d803 2018-04-23 stsp }
1647 56e0773d 2019-11-28 stsp te = &(*tree)->entries[nentries];
1648 c0588d8d 2018-11-07 stsp memcpy(te->name, imsg.data + sizeof(*ite), datalen);
1649 e033d803 2018-04-23 stsp te->name[datalen] = '\0';
1650 e033d803 2018-04-23 stsp
1651 56e0773d 2019-11-28 stsp memcpy(te->id.sha1, ite->id, SHA1_DIGEST_LENGTH);
1652 c0588d8d 2018-11-07 stsp te->mode = ite->mode;
1653 56e0773d 2019-11-28 stsp te->idx = nentries;
1654 e033d803 2018-04-23 stsp nentries++;
1655 e033d803 2018-04-23 stsp break;
1656 e033d803 2018-04-23 stsp default:
1657 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1658 e033d803 2018-04-23 stsp break;
1659 e033d803 2018-04-23 stsp }
1660 e033d803 2018-04-23 stsp
1661 e033d803 2018-04-23 stsp imsg_free(&imsg);
1662 d6b7d054 2020-08-27 stsp if (err)
1663 d6b7d054 2020-08-27 stsp break;
1664 e033d803 2018-04-23 stsp }
1665 1e51f5b9 2018-04-23 stsp done:
1666 56e0773d 2019-11-28 stsp if (*tree && (*tree)->nentries != nentries) {
1667 1e51f5b9 2018-04-23 stsp if (err == NULL)
1668 1e51f5b9 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1669 e033d803 2018-04-23 stsp got_object_tree_close(*tree);
1670 e033d803 2018-04-23 stsp *tree = NULL;
1671 ff6b18f8 2018-04-24 stsp }
1672 ff6b18f8 2018-04-24 stsp
1673 ff6b18f8 2018-04-24 stsp return err;
1674 ff6b18f8 2018-04-24 stsp }
1675 ff6b18f8 2018-04-24 stsp
1676 ff6b18f8 2018-04-24 stsp const struct got_error *
1677 ac544f8c 2019-01-13 stsp got_privsep_send_blob(struct imsgbuf *ibuf, size_t size, size_t hdrlen,
1678 ac544f8c 2019-01-13 stsp const uint8_t *data)
1679 ff6b18f8 2018-04-24 stsp {
1680 2967a784 2018-04-24 stsp struct got_imsg_blob iblob;
1681 2967a784 2018-04-24 stsp
1682 2967a784 2018-04-24 stsp iblob.size = size;
1683 ebc55e2d 2018-12-24 stsp iblob.hdrlen = hdrlen;
1684 2967a784 2018-04-24 stsp
1685 ac544f8c 2019-01-13 stsp if (data) {
1686 ac544f8c 2019-01-13 stsp uint8_t *buf;
1687 ac544f8c 2019-01-13 stsp
1688 ac544f8c 2019-01-13 stsp if (size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX)
1689 ac544f8c 2019-01-13 stsp return got_error(GOT_ERR_NO_SPACE);
1690 ac544f8c 2019-01-13 stsp
1691 ac544f8c 2019-01-13 stsp buf = malloc(sizeof(iblob) + size);
1692 ac544f8c 2019-01-13 stsp if (buf == NULL)
1693 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1694 ff6b18f8 2018-04-24 stsp
1695 ac544f8c 2019-01-13 stsp memcpy(buf, &iblob, sizeof(iblob));
1696 ac544f8c 2019-01-13 stsp memcpy(buf + sizeof(iblob), data, size);
1697 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, buf,
1698 62d463ca 2020-10-20 naddy sizeof(iblob) + size) == -1) {
1699 ac544f8c 2019-01-13 stsp free(buf);
1700 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1701 ac544f8c 2019-01-13 stsp }
1702 ac544f8c 2019-01-13 stsp free(buf);
1703 ac544f8c 2019-01-13 stsp } else {
1704 ac544f8c 2019-01-13 stsp /* Data has already been written to file descriptor. */
1705 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, &iblob,
1706 ac544f8c 2019-01-13 stsp sizeof(iblob)) == -1)
1707 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1708 ac544f8c 2019-01-13 stsp }
1709 ac544f8c 2019-01-13 stsp
1710 ac544f8c 2019-01-13 stsp
1711 ff6b18f8 2018-04-24 stsp return flush_imsg(ibuf);
1712 ff6b18f8 2018-04-24 stsp }
1713 ff6b18f8 2018-04-24 stsp
1714 ff6b18f8 2018-04-24 stsp const struct got_error *
1715 ac544f8c 2019-01-13 stsp got_privsep_recv_blob(uint8_t **outbuf, size_t *size, size_t *hdrlen,
1716 ac544f8c 2019-01-13 stsp struct imsgbuf *ibuf)
1717 ff6b18f8 2018-04-24 stsp {
1718 ff6b18f8 2018-04-24 stsp const struct got_error *err = NULL;
1719 ff6b18f8 2018-04-24 stsp struct imsg imsg;
1720 291624d8 2018-11-07 stsp struct got_imsg_blob *iblob;
1721 ff6b18f8 2018-04-24 stsp size_t datalen;
1722 ff6b18f8 2018-04-24 stsp
1723 ac544f8c 2019-01-13 stsp *outbuf = NULL;
1724 ac544f8c 2019-01-13 stsp
1725 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1726 ff6b18f8 2018-04-24 stsp if (err)
1727 ff6b18f8 2018-04-24 stsp return err;
1728 ff6b18f8 2018-04-24 stsp
1729 ff6b18f8 2018-04-24 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1730 ff6b18f8 2018-04-24 stsp
1731 ff6b18f8 2018-04-24 stsp switch (imsg.hdr.type) {
1732 ff6b18f8 2018-04-24 stsp case GOT_IMSG_BLOB:
1733 ac544f8c 2019-01-13 stsp if (datalen < sizeof(*iblob)) {
1734 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1735 18336eed 2018-11-04 stsp break;
1736 18336eed 2018-11-04 stsp }
1737 291624d8 2018-11-07 stsp iblob = imsg.data;
1738 291624d8 2018-11-07 stsp *size = iblob->size;
1739 ebc55e2d 2018-12-24 stsp *hdrlen = iblob->hdrlen;
1740 ac544f8c 2019-01-13 stsp
1741 ac544f8c 2019-01-13 stsp if (datalen == sizeof(*iblob)) {
1742 ac544f8c 2019-01-13 stsp /* Data has been written to file descriptor. */
1743 ac544f8c 2019-01-13 stsp break;
1744 ac544f8c 2019-01-13 stsp }
1745 ac544f8c 2019-01-13 stsp
1746 ac544f8c 2019-01-13 stsp if (*size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX) {
1747 ac544f8c 2019-01-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1748 ac544f8c 2019-01-13 stsp break;
1749 ac544f8c 2019-01-13 stsp }
1750 ac544f8c 2019-01-13 stsp
1751 ac544f8c 2019-01-13 stsp *outbuf = malloc(*size);
1752 ac544f8c 2019-01-13 stsp if (*outbuf == NULL) {
1753 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1754 ac544f8c 2019-01-13 stsp break;
1755 ac544f8c 2019-01-13 stsp }
1756 ac544f8c 2019-01-13 stsp memcpy(*outbuf, imsg.data + sizeof(*iblob), *size);
1757 f4a881ce 2018-11-17 stsp break;
1758 f4a881ce 2018-11-17 stsp default:
1759 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1760 f4a881ce 2018-11-17 stsp break;
1761 f4a881ce 2018-11-17 stsp }
1762 f4a881ce 2018-11-17 stsp
1763 f4a881ce 2018-11-17 stsp imsg_free(&imsg);
1764 f4a881ce 2018-11-17 stsp
1765 f4a881ce 2018-11-17 stsp return err;
1766 f4a881ce 2018-11-17 stsp }
1767 f4a881ce 2018-11-17 stsp
1768 f4a881ce 2018-11-17 stsp static const struct got_error *
1769 f4a881ce 2018-11-17 stsp send_tagmsg(struct imsgbuf *ibuf, struct got_tag_object *tag, size_t tagmsg_len)
1770 f4a881ce 2018-11-17 stsp {
1771 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1772 f4a881ce 2018-11-17 stsp size_t offset, remain;
1773 f4a881ce 2018-11-17 stsp
1774 f4a881ce 2018-11-17 stsp offset = 0;
1775 f4a881ce 2018-11-17 stsp remain = tagmsg_len;
1776 f4a881ce 2018-11-17 stsp while (remain > 0) {
1777 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1778 f4a881ce 2018-11-17 stsp
1779 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_TAGMSG, 0, 0, -1,
1780 f4a881ce 2018-11-17 stsp tag->tagmsg + offset, n) == -1) {
1781 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG_TAGMSG");
1782 f4a881ce 2018-11-17 stsp break;
1783 f4a881ce 2018-11-17 stsp }
1784 f4a881ce 2018-11-17 stsp
1785 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1786 f4a881ce 2018-11-17 stsp if (err)
1787 f4a881ce 2018-11-17 stsp break;
1788 f4a881ce 2018-11-17 stsp
1789 f4a881ce 2018-11-17 stsp offset += n;
1790 f4a881ce 2018-11-17 stsp remain -= n;
1791 f4a881ce 2018-11-17 stsp }
1792 f4a881ce 2018-11-17 stsp
1793 f4a881ce 2018-11-17 stsp return err;
1794 f4a881ce 2018-11-17 stsp }
1795 f4a881ce 2018-11-17 stsp
1796 f4a881ce 2018-11-17 stsp const struct got_error *
1797 f4a881ce 2018-11-17 stsp got_privsep_send_tag(struct imsgbuf *ibuf, struct got_tag_object *tag)
1798 f4a881ce 2018-11-17 stsp {
1799 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1800 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1801 f4a881ce 2018-11-17 stsp uint8_t *buf;
1802 f4a881ce 2018-11-17 stsp size_t len, total;
1803 f4a881ce 2018-11-17 stsp size_t tag_len = strlen(tag->tag);
1804 f4a881ce 2018-11-17 stsp size_t tagger_len = strlen(tag->tagger);
1805 f4a881ce 2018-11-17 stsp size_t tagmsg_len = strlen(tag->tagmsg);
1806 f4a881ce 2018-11-17 stsp
1807 f4a881ce 2018-11-17 stsp total = sizeof(*itag) + tag_len + tagger_len + tagmsg_len;
1808 f4a881ce 2018-11-17 stsp
1809 f4a881ce 2018-11-17 stsp buf = malloc(total);
1810 f4a881ce 2018-11-17 stsp if (buf == NULL)
1811 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1812 f4a881ce 2018-11-17 stsp
1813 f4a881ce 2018-11-17 stsp itag = (struct got_imsg_tag_object *)buf;
1814 f4a881ce 2018-11-17 stsp memcpy(itag->id, tag->id.sha1, sizeof(itag->id));
1815 f4a881ce 2018-11-17 stsp itag->obj_type = tag->obj_type;
1816 f4a881ce 2018-11-17 stsp itag->tag_len = tag_len;
1817 f4a881ce 2018-11-17 stsp itag->tagger_len = tagger_len;
1818 f4a881ce 2018-11-17 stsp itag->tagger_time = tag->tagger_time;
1819 f4a881ce 2018-11-17 stsp itag->tagger_gmtoff = tag->tagger_gmtoff;
1820 f4a881ce 2018-11-17 stsp itag->tagmsg_len = tagmsg_len;
1821 f4a881ce 2018-11-17 stsp
1822 f4a881ce 2018-11-17 stsp len = sizeof(*itag);
1823 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tag, tag_len);
1824 f4a881ce 2018-11-17 stsp len += tag_len;
1825 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tagger, tagger_len);
1826 f4a881ce 2018-11-17 stsp len += tagger_len;
1827 f4a881ce 2018-11-17 stsp
1828 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG, 0, 0, -1, buf, len) == -1) {
1829 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG");
1830 f4a881ce 2018-11-17 stsp goto done;
1831 f4a881ce 2018-11-17 stsp }
1832 f4a881ce 2018-11-17 stsp
1833 f4a881ce 2018-11-17 stsp if (tagmsg_len == 0 ||
1834 f4a881ce 2018-11-17 stsp tagmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1835 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1836 f4a881ce 2018-11-17 stsp if (err)
1837 f4a881ce 2018-11-17 stsp goto done;
1838 f4a881ce 2018-11-17 stsp }
1839 f4a881ce 2018-11-17 stsp err = send_tagmsg(ibuf, tag, tagmsg_len);
1840 f4a881ce 2018-11-17 stsp done:
1841 f4a881ce 2018-11-17 stsp free(buf);
1842 f4a881ce 2018-11-17 stsp return err;
1843 f4a881ce 2018-11-17 stsp }
1844 f4a881ce 2018-11-17 stsp
1845 f4a881ce 2018-11-17 stsp const struct got_error *
1846 f4a881ce 2018-11-17 stsp got_privsep_recv_tag(struct got_tag_object **tag, struct imsgbuf *ibuf)
1847 f4a881ce 2018-11-17 stsp {
1848 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1849 f4a881ce 2018-11-17 stsp struct imsg imsg;
1850 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1851 f4a881ce 2018-11-17 stsp size_t len, datalen;
1852 f4a881ce 2018-11-17 stsp const size_t min_datalen =
1853 f4a881ce 2018-11-17 stsp MIN(sizeof(struct got_imsg_error),
1854 f4a881ce 2018-11-17 stsp sizeof(struct got_imsg_tag_object));
1855 f4a881ce 2018-11-17 stsp
1856 f4a881ce 2018-11-17 stsp *tag = NULL;
1857 f4a881ce 2018-11-17 stsp
1858 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1859 f4a881ce 2018-11-17 stsp if (err)
1860 f4a881ce 2018-11-17 stsp return err;
1861 f4a881ce 2018-11-17 stsp
1862 f4a881ce 2018-11-17 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1863 f4a881ce 2018-11-17 stsp len = 0;
1864 f4a881ce 2018-11-17 stsp
1865 f4a881ce 2018-11-17 stsp switch (imsg.hdr.type) {
1866 f4a881ce 2018-11-17 stsp case GOT_IMSG_TAG:
1867 f4a881ce 2018-11-17 stsp if (datalen < sizeof(*itag)) {
1868 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1869 f4a881ce 2018-11-17 stsp break;
1870 f4a881ce 2018-11-17 stsp }
1871 f4a881ce 2018-11-17 stsp itag = imsg.data;
1872 f4a881ce 2018-11-17 stsp if (datalen != sizeof(*itag) + itag->tag_len +
1873 f4a881ce 2018-11-17 stsp itag->tagger_len) {
1874 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1875 f4a881ce 2018-11-17 stsp break;
1876 f4a881ce 2018-11-17 stsp }
1877 f4a881ce 2018-11-17 stsp len += sizeof(*itag);
1878 f4a881ce 2018-11-17 stsp
1879 f4a881ce 2018-11-17 stsp *tag = calloc(1, sizeof(**tag));
1880 f4a881ce 2018-11-17 stsp if (*tag == NULL) {
1881 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
1882 f4a881ce 2018-11-17 stsp break;
1883 f4a881ce 2018-11-17 stsp }
1884 f4a881ce 2018-11-17 stsp
1885 f4a881ce 2018-11-17 stsp memcpy((*tag)->id.sha1, itag->id, SHA1_DIGEST_LENGTH);
1886 f4a881ce 2018-11-17 stsp
1887 f4a881ce 2018-11-17 stsp if (itag->tag_len == 0) {
1888 f4a881ce 2018-11-17 stsp (*tag)->tag = strdup("");
1889 f4a881ce 2018-11-17 stsp if ((*tag)->tag == NULL) {
1890 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1891 f4a881ce 2018-11-17 stsp break;
1892 f4a881ce 2018-11-17 stsp }
1893 f4a881ce 2018-11-17 stsp } else {
1894 f4a881ce 2018-11-17 stsp (*tag)->tag = malloc(itag->tag_len + 1);
1895 f4a881ce 2018-11-17 stsp if ((*tag)->tag == NULL) {
1896 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1897 f4a881ce 2018-11-17 stsp break;
1898 f4a881ce 2018-11-17 stsp }
1899 f4a881ce 2018-11-17 stsp memcpy((*tag)->tag, imsg.data + len,
1900 f4a881ce 2018-11-17 stsp itag->tag_len);
1901 f4a881ce 2018-11-17 stsp (*tag)->tag[itag->tag_len] = '\0';
1902 f4a881ce 2018-11-17 stsp }
1903 f4a881ce 2018-11-17 stsp len += itag->tag_len;
1904 f4a881ce 2018-11-17 stsp
1905 f4a881ce 2018-11-17 stsp (*tag)->obj_type = itag->obj_type;
1906 f4a881ce 2018-11-17 stsp (*tag)->tagger_time = itag->tagger_time;
1907 f4a881ce 2018-11-17 stsp (*tag)->tagger_gmtoff = itag->tagger_gmtoff;
1908 f4a881ce 2018-11-17 stsp
1909 f4a881ce 2018-11-17 stsp if (itag->tagger_len == 0) {
1910 f4a881ce 2018-11-17 stsp (*tag)->tagger = strdup("");
1911 f4a881ce 2018-11-17 stsp if ((*tag)->tagger == NULL) {
1912 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1913 f4a881ce 2018-11-17 stsp break;
1914 f4a881ce 2018-11-17 stsp }
1915 f4a881ce 2018-11-17 stsp } else {
1916 f4a881ce 2018-11-17 stsp (*tag)->tagger = malloc(itag->tagger_len + 1);
1917 f4a881ce 2018-11-17 stsp if ((*tag)->tagger == NULL) {
1918 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1919 f4a881ce 2018-11-17 stsp break;
1920 f4a881ce 2018-11-17 stsp }
1921 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagger, imsg.data + len,
1922 f4a881ce 2018-11-17 stsp itag->tagger_len);
1923 f4a881ce 2018-11-17 stsp (*tag)->tagger[itag->tagger_len] = '\0';
1924 f4a881ce 2018-11-17 stsp }
1925 f4a881ce 2018-11-17 stsp len += itag->tagger_len;
1926 f4a881ce 2018-11-17 stsp
1927 f4a881ce 2018-11-17 stsp if (itag->tagmsg_len == 0) {
1928 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = strdup("");
1929 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1930 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1931 f4a881ce 2018-11-17 stsp break;
1932 f4a881ce 2018-11-17 stsp }
1933 f4a881ce 2018-11-17 stsp } else {
1934 f4a881ce 2018-11-17 stsp size_t offset = 0, remain = itag->tagmsg_len;
1935 f4a881ce 2018-11-17 stsp
1936 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = malloc(itag->tagmsg_len + 1);
1937 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1938 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1939 f4a881ce 2018-11-17 stsp break;
1940 f4a881ce 2018-11-17 stsp }
1941 f4a881ce 2018-11-17 stsp while (remain > 0) {
1942 f4a881ce 2018-11-17 stsp struct imsg imsg_log;
1943 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1944 f4a881ce 2018-11-17 stsp remain);
1945 f4a881ce 2018-11-17 stsp
1946 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1947 f4a881ce 2018-11-17 stsp if (err)
1948 f4a881ce 2018-11-17 stsp return err;
1949 f4a881ce 2018-11-17 stsp
1950 f4a881ce 2018-11-17 stsp if (imsg_log.hdr.type != GOT_IMSG_TAG_TAGMSG)
1951 f4a881ce 2018-11-17 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
1952 f4a881ce 2018-11-17 stsp
1953 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagmsg + offset, imsg_log.data,
1954 f4a881ce 2018-11-17 stsp n);
1955 f4a881ce 2018-11-17 stsp imsg_free(&imsg_log);
1956 f4a881ce 2018-11-17 stsp offset += n;
1957 f4a881ce 2018-11-17 stsp remain -= n;
1958 f4a881ce 2018-11-17 stsp }
1959 f4a881ce 2018-11-17 stsp (*tag)->tagmsg[itag->tagmsg_len] = '\0';
1960 f4a881ce 2018-11-17 stsp }
1961 f4a881ce 2018-11-17 stsp
1962 ff6b18f8 2018-04-24 stsp break;
1963 ff6b18f8 2018-04-24 stsp default:
1964 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1965 ff6b18f8 2018-04-24 stsp break;
1966 e033d803 2018-04-23 stsp }
1967 e033d803 2018-04-23 stsp
1968 ff6b18f8 2018-04-24 stsp imsg_free(&imsg);
1969 ff6b18f8 2018-04-24 stsp
1970 2178c42e 2018-04-22 stsp return err;
1971 2178c42e 2018-04-22 stsp }
1972 876c234b 2018-09-10 stsp
1973 876c234b 2018-09-10 stsp const struct got_error *
1974 876c234b 2018-09-10 stsp got_privsep_init_pack_child(struct imsgbuf *ibuf, struct got_pack *pack,
1975 876c234b 2018-09-10 stsp struct got_packidx *packidx)
1976 876c234b 2018-09-10 stsp {
1977 41496140 2019-02-21 stsp const struct got_error *err = NULL;
1978 876c234b 2018-09-10 stsp struct got_imsg_packidx ipackidx;
1979 876c234b 2018-09-10 stsp struct got_imsg_pack ipack;
1980 876c234b 2018-09-10 stsp int fd;
1981 876c234b 2018-09-10 stsp
1982 876c234b 2018-09-10 stsp ipackidx.len = packidx->len;
1983 c3564dfa 2021-07-15 stsp ipackidx.packfile_size = pack->filesize;
1984 876c234b 2018-09-10 stsp fd = dup(packidx->fd);
1985 876c234b 2018-09-10 stsp if (fd == -1)
1986 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1987 876c234b 2018-09-10 stsp
1988 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKIDX, 0, 0, fd, &ipackidx,
1989 41496140 2019-02-21 stsp sizeof(ipackidx)) == -1) {
1990 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACKIDX");
1991 41496140 2019-02-21 stsp close(fd);
1992 41496140 2019-02-21 stsp return err;
1993 41496140 2019-02-21 stsp }
1994 876c234b 2018-09-10 stsp
1995 876c234b 2018-09-10 stsp if (strlcpy(ipack.path_packfile, pack->path_packfile,
1996 876c234b 2018-09-10 stsp sizeof(ipack.path_packfile)) >= sizeof(ipack.path_packfile))
1997 876c234b 2018-09-10 stsp return got_error(GOT_ERR_NO_SPACE);
1998 876c234b 2018-09-10 stsp ipack.filesize = pack->filesize;
1999 876c234b 2018-09-10 stsp
2000 876c234b 2018-09-10 stsp fd = dup(pack->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_PACK, 0, 0, fd, &ipack, sizeof(ipack))
2005 41496140 2019-02-21 stsp == -1) {
2006 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACK");
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 return flush_imsg(ibuf);
2012 876c234b 2018-09-10 stsp }
2013 876c234b 2018-09-10 stsp
2014 876c234b 2018-09-10 stsp const struct got_error *
2015 106807b4 2018-09-15 stsp got_privsep_send_packed_obj_req(struct imsgbuf *ibuf, int idx,
2016 106807b4 2018-09-15 stsp struct got_object_id *id)
2017 876c234b 2018-09-10 stsp {
2018 876c234b 2018-09-10 stsp struct got_imsg_packed_object iobj;
2019 876c234b 2018-09-10 stsp
2020 876c234b 2018-09-10 stsp iobj.idx = idx;
2021 106807b4 2018-09-15 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
2022 876c234b 2018-09-10 stsp
2023 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_OBJECT_REQUEST, 0, 0, -1,
2024 876c234b 2018-09-10 stsp &iobj, sizeof(iobj)) == -1)
2025 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose "
2026 230a42bd 2019-05-11 jcs "PACKED_OBJECT_REQUEST");
2027 aba9c984 2019-09-08 stsp
2028 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2029 aba9c984 2019-09-08 stsp }
2030 aba9c984 2019-09-08 stsp
2031 aba9c984 2019-09-08 stsp const struct got_error *
2032 59d1e4a0 2021-03-10 stsp got_privsep_send_packed_raw_obj_req(struct imsgbuf *ibuf, int idx,
2033 59d1e4a0 2021-03-10 stsp struct got_object_id *id)
2034 59d1e4a0 2021-03-10 stsp {
2035 59d1e4a0 2021-03-10 stsp struct got_imsg_packed_object iobj;
2036 59d1e4a0 2021-03-10 stsp
2037 59d1e4a0 2021-03-10 stsp iobj.idx = idx;
2038 59d1e4a0 2021-03-10 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
2039 59d1e4a0 2021-03-10 stsp
2040 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_RAW_OBJECT_REQUEST, 0, 0, -1,
2041 59d1e4a0 2021-03-10 stsp &iobj, sizeof(iobj)) == -1)
2042 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose "
2043 59d1e4a0 2021-03-10 stsp "PACKED_OBJECT_REQUEST");
2044 59d1e4a0 2021-03-10 stsp
2045 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
2046 59d1e4a0 2021-03-10 stsp }
2047 59d1e4a0 2021-03-10 stsp
2048 59d1e4a0 2021-03-10 stsp const struct got_error *
2049 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_parse_req(struct imsgbuf *ibuf, int fd)
2050 aba9c984 2019-09-08 stsp {
2051 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2052 aba9c984 2019-09-08 stsp
2053 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_PARSE_REQUEST, 0, 0, fd,
2054 aba9c984 2019-09-08 stsp NULL, 0) == -1) {
2055 aba9c984 2019-09-08 stsp err = got_error_from_errno("imsg_compose "
2056 aba9c984 2019-09-08 stsp "GITCONFIG_PARSE_REQUEST");
2057 aba9c984 2019-09-08 stsp close(fd);
2058 aba9c984 2019-09-08 stsp return err;
2059 aba9c984 2019-09-08 stsp }
2060 aba9c984 2019-09-08 stsp
2061 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2062 aba9c984 2019-09-08 stsp }
2063 aba9c984 2019-09-08 stsp
2064 aba9c984 2019-09-08 stsp const struct got_error *
2065 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_repository_format_version_req(struct imsgbuf *ibuf)
2066 aba9c984 2019-09-08 stsp {
2067 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2068 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST, 0, 0, -1,
2069 aba9c984 2019-09-08 stsp NULL, 0) == -1)
2070 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2071 aba9c984 2019-09-08 stsp "GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST");
2072 aba9c984 2019-09-08 stsp
2073 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2074 aba9c984 2019-09-08 stsp }
2075 aba9c984 2019-09-08 stsp
2076 aba9c984 2019-09-08 stsp const struct got_error *
2077 20b7abb3 2020-10-22 stsp got_privsep_send_gitconfig_repository_extensions_req(struct imsgbuf *ibuf)
2078 20b7abb3 2020-10-22 stsp {
2079 20b7abb3 2020-10-22 stsp if (imsg_compose(ibuf,
2080 20b7abb3 2020-10-22 stsp GOT_IMSG_GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST, 0, 0, -1,
2081 20b7abb3 2020-10-22 stsp NULL, 0) == -1)
2082 20b7abb3 2020-10-22 stsp return got_error_from_errno("imsg_compose "
2083 20b7abb3 2020-10-22 stsp "GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST");
2084 20b7abb3 2020-10-22 stsp
2085 20b7abb3 2020-10-22 stsp return flush_imsg(ibuf);
2086 20b7abb3 2020-10-22 stsp }
2087 20b7abb3 2020-10-22 stsp
2088 20b7abb3 2020-10-22 stsp
2089 20b7abb3 2020-10-22 stsp const struct got_error *
2090 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_name_req(struct imsgbuf *ibuf)
2091 aba9c984 2019-09-08 stsp {
2092 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2093 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_NAME_REQUEST, 0, 0, -1, NULL, 0) == -1)
2094 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2095 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_NAME_REQUEST");
2096 aba9c984 2019-09-08 stsp
2097 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2098 aba9c984 2019-09-08 stsp }
2099 aba9c984 2019-09-08 stsp
2100 aba9c984 2019-09-08 stsp const struct got_error *
2101 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_email_req(struct imsgbuf *ibuf)
2102 aba9c984 2019-09-08 stsp {
2103 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2104 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_EMAIL_REQUEST, 0, 0, -1, NULL, 0) == -1)
2105 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2106 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_EMAIL_REQUEST");
2107 cd95becd 2019-11-29 stsp
2108 cd95becd 2019-11-29 stsp return flush_imsg(ibuf);
2109 cd95becd 2019-11-29 stsp }
2110 cd95becd 2019-11-29 stsp
2111 cd95becd 2019-11-29 stsp const struct got_error *
2112 cd95becd 2019-11-29 stsp got_privsep_send_gitconfig_remotes_req(struct imsgbuf *ibuf)
2113 cd95becd 2019-11-29 stsp {
2114 cd95becd 2019-11-29 stsp if (imsg_compose(ibuf,
2115 cd95becd 2019-11-29 stsp GOT_IMSG_GITCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2116 cd95becd 2019-11-29 stsp return got_error_from_errno("imsg_compose "
2117 cd95becd 2019-11-29 stsp "GITCONFIG_REMOTE_REQUEST");
2118 aba9c984 2019-09-08 stsp
2119 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2120 aba9c984 2019-09-08 stsp }
2121 aba9c984 2019-09-08 stsp
2122 aba9c984 2019-09-08 stsp const struct got_error *
2123 9a1cc63f 2020-02-03 stsp got_privsep_send_gitconfig_owner_req(struct imsgbuf *ibuf)
2124 9a1cc63f 2020-02-03 stsp {
2125 9a1cc63f 2020-02-03 stsp if (imsg_compose(ibuf,
2126 9a1cc63f 2020-02-03 stsp GOT_IMSG_GITCONFIG_OWNER_REQUEST, 0, 0, -1, NULL, 0) == -1)
2127 9a1cc63f 2020-02-03 stsp return got_error_from_errno("imsg_compose "
2128 9a1cc63f 2020-02-03 stsp "GITCONFIG_OWNER_REQUEST");
2129 9a1cc63f 2020-02-03 stsp
2130 9a1cc63f 2020-02-03 stsp return flush_imsg(ibuf);
2131 9a1cc63f 2020-02-03 stsp }
2132 9a1cc63f 2020-02-03 stsp
2133 9a1cc63f 2020-02-03 stsp const struct got_error *
2134 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_str(char **str, struct imsgbuf *ibuf)
2135 aba9c984 2019-09-08 stsp {
2136 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2137 aba9c984 2019-09-08 stsp struct imsg imsg;
2138 aba9c984 2019-09-08 stsp size_t datalen;
2139 aba9c984 2019-09-08 stsp const size_t min_datalen = 0;
2140 aba9c984 2019-09-08 stsp
2141 aba9c984 2019-09-08 stsp *str = NULL;
2142 aba9c984 2019-09-08 stsp
2143 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2144 aba9c984 2019-09-08 stsp if (err)
2145 aba9c984 2019-09-08 stsp return err;
2146 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2147 aba9c984 2019-09-08 stsp
2148 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2149 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_STR_VAL:
2150 aba9c984 2019-09-08 stsp if (datalen == 0)
2151 aba9c984 2019-09-08 stsp break;
2152 6c13dcd2 2020-09-18 stsp /* datalen does not include terminating \0 */
2153 6c13dcd2 2020-09-18 stsp *str = malloc(datalen + 1);
2154 aba9c984 2019-09-08 stsp if (*str == NULL) {
2155 aba9c984 2019-09-08 stsp err = got_error_from_errno("malloc");
2156 aba9c984 2019-09-08 stsp break;
2157 aba9c984 2019-09-08 stsp }
2158 6c13dcd2 2020-09-18 stsp memcpy(*str, imsg.data, datalen);
2159 6c13dcd2 2020-09-18 stsp (*str)[datalen] = '\0';
2160 aba9c984 2019-09-08 stsp break;
2161 aba9c984 2019-09-08 stsp default:
2162 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2163 aba9c984 2019-09-08 stsp break;
2164 aba9c984 2019-09-08 stsp }
2165 876c234b 2018-09-10 stsp
2166 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2167 aba9c984 2019-09-08 stsp return err;
2168 aba9c984 2019-09-08 stsp }
2169 aba9c984 2019-09-08 stsp
2170 aba9c984 2019-09-08 stsp const struct got_error *
2171 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_int(int *val, struct imsgbuf *ibuf)
2172 aba9c984 2019-09-08 stsp {
2173 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2174 aba9c984 2019-09-08 stsp struct imsg imsg;
2175 aba9c984 2019-09-08 stsp size_t datalen;
2176 aba9c984 2019-09-08 stsp const size_t min_datalen =
2177 aba9c984 2019-09-08 stsp MIN(sizeof(struct got_imsg_error), sizeof(int));
2178 aba9c984 2019-09-08 stsp
2179 aba9c984 2019-09-08 stsp *val = 0;
2180 aba9c984 2019-09-08 stsp
2181 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2182 aba9c984 2019-09-08 stsp if (err)
2183 aba9c984 2019-09-08 stsp return err;
2184 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2185 aba9c984 2019-09-08 stsp
2186 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2187 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_INT_VAL:
2188 aba9c984 2019-09-08 stsp if (datalen != sizeof(*val)) {
2189 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2190 aba9c984 2019-09-08 stsp break;
2191 aba9c984 2019-09-08 stsp }
2192 aba9c984 2019-09-08 stsp memcpy(val, imsg.data, sizeof(*val));
2193 cd95becd 2019-11-29 stsp break;
2194 cd95becd 2019-11-29 stsp default:
2195 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2196 cd95becd 2019-11-29 stsp break;
2197 cd95becd 2019-11-29 stsp }
2198 cd95becd 2019-11-29 stsp
2199 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2200 cd95becd 2019-11-29 stsp return err;
2201 b8adfa55 2020-09-25 stsp }
2202 b8adfa55 2020-09-25 stsp
2203 b8adfa55 2020-09-25 stsp static void
2204 b8adfa55 2020-09-25 stsp free_remote_data(struct got_remote_repo *remote)
2205 b8adfa55 2020-09-25 stsp {
2206 b8adfa55 2020-09-25 stsp int i;
2207 b8adfa55 2020-09-25 stsp
2208 b8adfa55 2020-09-25 stsp free(remote->name);
2209 6480c871 2021-08-30 stsp free(remote->fetch_url);
2210 6480c871 2021-08-30 stsp free(remote->send_url);
2211 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_branches; i++)
2212 6480c871 2021-08-30 stsp free(remote->fetch_branches[i]);
2213 6480c871 2021-08-30 stsp free(remote->fetch_branches);
2214 6480c871 2021-08-30 stsp for (i = 0; i < remote->nsend_branches; i++)
2215 6480c871 2021-08-30 stsp free(remote->send_branches[i]);
2216 6480c871 2021-08-30 stsp free(remote->send_branches);
2217 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_refs; i++)
2218 6480c871 2021-08-30 stsp free(remote->fetch_refs[i]);
2219 6480c871 2021-08-30 stsp free(remote->fetch_refs);
2220 cd95becd 2019-11-29 stsp }
2221 cd95becd 2019-11-29 stsp
2222 cd95becd 2019-11-29 stsp const struct got_error *
2223 cd95becd 2019-11-29 stsp got_privsep_recv_gitconfig_remotes(struct got_remote_repo **remotes,
2224 cd95becd 2019-11-29 stsp int *nremotes, struct imsgbuf *ibuf)
2225 cd95becd 2019-11-29 stsp {
2226 cd95becd 2019-11-29 stsp const struct got_error *err = NULL;
2227 cd95becd 2019-11-29 stsp struct imsg imsg;
2228 cd95becd 2019-11-29 stsp size_t datalen;
2229 cd95becd 2019-11-29 stsp struct got_imsg_remotes iremotes;
2230 cd95becd 2019-11-29 stsp struct got_imsg_remote iremote;
2231 cd95becd 2019-11-29 stsp
2232 cd95becd 2019-11-29 stsp *remotes = NULL;
2233 cd95becd 2019-11-29 stsp *nremotes = 0;
2234 d669b9c9 2020-02-22 stsp iremotes.nremotes = 0;
2235 cd95becd 2019-11-29 stsp
2236 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremotes));
2237 cd95becd 2019-11-29 stsp if (err)
2238 cd95becd 2019-11-29 stsp return err;
2239 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2240 cd95becd 2019-11-29 stsp
2241 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2242 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTES:
2243 cd95becd 2019-11-29 stsp if (datalen != sizeof(iremotes)) {
2244 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2245 cd95becd 2019-11-29 stsp break;
2246 cd95becd 2019-11-29 stsp }
2247 cd95becd 2019-11-29 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2248 cd95becd 2019-11-29 stsp if (iremotes.nremotes == 0) {
2249 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2250 cd95becd 2019-11-29 stsp return NULL;
2251 cd95becd 2019-11-29 stsp }
2252 aba9c984 2019-09-08 stsp break;
2253 aba9c984 2019-09-08 stsp default:
2254 54b1c5b5 2020-02-22 stsp imsg_free(&imsg);
2255 54b1c5b5 2020-02-22 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2256 aba9c984 2019-09-08 stsp }
2257 aba9c984 2019-09-08 stsp
2258 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2259 cd95becd 2019-11-29 stsp
2260 5146eb39 2020-03-20 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2261 cd95becd 2019-11-29 stsp if (*remotes == NULL)
2262 cd95becd 2019-11-29 stsp return got_error_from_errno("recallocarray");
2263 cd95becd 2019-11-29 stsp
2264 cd95becd 2019-11-29 stsp while (*nremotes < iremotes.nremotes) {
2265 cd95becd 2019-11-29 stsp struct got_remote_repo *remote;
2266 3168e5da 2020-09-10 stsp
2267 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremote));
2268 cd95becd 2019-11-29 stsp if (err)
2269 cd95becd 2019-11-29 stsp break;
2270 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2271 cd95becd 2019-11-29 stsp
2272 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2273 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTE:
2274 cd95becd 2019-11-29 stsp remote = &(*remotes)[*nremotes];
2275 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2276 cd95becd 2019-11-29 stsp if (datalen < sizeof(iremote)) {
2277 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2278 cd95becd 2019-11-29 stsp break;
2279 cd95becd 2019-11-29 stsp }
2280 cd95becd 2019-11-29 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2281 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2282 6480c871 2021-08-30 stsp iremote.fetch_url_len == 0 ||
2283 6480c871 2021-08-30 stsp iremote.send_url_len == 0 ||
2284 cd95becd 2019-11-29 stsp (sizeof(iremote) + iremote.name_len +
2285 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) > datalen) {
2286 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2287 cd95becd 2019-11-29 stsp break;
2288 cd95becd 2019-11-29 stsp }
2289 cd95becd 2019-11-29 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2290 cd95becd 2019-11-29 stsp iremote.name_len);
2291 cd95becd 2019-11-29 stsp if (remote->name == NULL) {
2292 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2293 cd95becd 2019-11-29 stsp break;
2294 cd95becd 2019-11-29 stsp }
2295 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data + sizeof(iremote) +
2296 6480c871 2021-08-30 stsp iremote.name_len, iremote.fetch_url_len);
2297 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2298 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2299 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2300 cd95becd 2019-11-29 stsp break;
2301 cd95becd 2019-11-29 stsp }
2302 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data + sizeof(iremote) +
2303 6480c871 2021-08-30 stsp iremote.name_len + iremote.fetch_url_len,
2304 6480c871 2021-08-30 stsp iremote.send_url_len);
2305 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2306 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2307 6480c871 2021-08-30 stsp free_remote_data(remote);
2308 6480c871 2021-08-30 stsp break;
2309 6480c871 2021-08-30 stsp }
2310 469dd726 2020-03-20 stsp remote->mirror_references = iremote.mirror_references;
2311 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2312 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2313 6480c871 2021-08-30 stsp remote->fetch_branches = NULL;
2314 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2315 6480c871 2021-08-30 stsp remote->send_branches = NULL;
2316 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2317 6480c871 2021-08-30 stsp remote->fetch_refs = NULL;
2318 cd95becd 2019-11-29 stsp (*nremotes)++;
2319 cd95becd 2019-11-29 stsp break;
2320 cd95becd 2019-11-29 stsp default:
2321 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2322 cd95becd 2019-11-29 stsp break;
2323 cd95becd 2019-11-29 stsp }
2324 cd95becd 2019-11-29 stsp
2325 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2326 cd95becd 2019-11-29 stsp if (err)
2327 cd95becd 2019-11-29 stsp break;
2328 cd95becd 2019-11-29 stsp }
2329 cd95becd 2019-11-29 stsp
2330 cd95becd 2019-11-29 stsp if (err) {
2331 cd95becd 2019-11-29 stsp int i;
2332 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2333 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2334 cd95becd 2019-11-29 stsp free(*remotes);
2335 cd95becd 2019-11-29 stsp *remotes = NULL;
2336 cd95becd 2019-11-29 stsp *nremotes = 0;
2337 cd95becd 2019-11-29 stsp }
2338 aba9c984 2019-09-08 stsp return err;
2339 257add31 2020-09-09 stsp }
2340 257add31 2020-09-09 stsp
2341 257add31 2020-09-09 stsp const struct got_error *
2342 257add31 2020-09-09 stsp got_privsep_send_gotconfig_parse_req(struct imsgbuf *ibuf, int fd)
2343 257add31 2020-09-09 stsp {
2344 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2345 257add31 2020-09-09 stsp
2346 257add31 2020-09-09 stsp if (imsg_compose(ibuf, GOT_IMSG_GOTCONFIG_PARSE_REQUEST, 0, 0, fd,
2347 257add31 2020-09-09 stsp NULL, 0) == -1) {
2348 257add31 2020-09-09 stsp err = got_error_from_errno("imsg_compose "
2349 257add31 2020-09-09 stsp "GOTCONFIG_PARSE_REQUEST");
2350 257add31 2020-09-09 stsp close(fd);
2351 257add31 2020-09-09 stsp return err;
2352 257add31 2020-09-09 stsp }
2353 257add31 2020-09-09 stsp
2354 257add31 2020-09-09 stsp return flush_imsg(ibuf);
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_author_req(struct imsgbuf *ibuf)
2359 257add31 2020-09-09 stsp {
2360 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2361 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_AUTHOR_REQUEST, 0, 0, -1, NULL, 0) == -1)
2362 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2363 257add31 2020-09-09 stsp "GOTCONFIG_AUTHOR_REQUEST");
2364 257add31 2020-09-09 stsp
2365 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2366 ca6e02ac 2020-01-07 stsp }
2367 ca6e02ac 2020-01-07 stsp
2368 ca6e02ac 2020-01-07 stsp const struct got_error *
2369 257add31 2020-09-09 stsp got_privsep_send_gotconfig_remotes_req(struct imsgbuf *ibuf)
2370 257add31 2020-09-09 stsp {
2371 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2372 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2373 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2374 257add31 2020-09-09 stsp "GOTCONFIG_REMOTE_REQUEST");
2375 257add31 2020-09-09 stsp
2376 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2377 257add31 2020-09-09 stsp }
2378 257add31 2020-09-09 stsp
2379 257add31 2020-09-09 stsp const struct got_error *
2380 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_str(char **str, struct imsgbuf *ibuf)
2381 257add31 2020-09-09 stsp {
2382 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2383 257add31 2020-09-09 stsp struct imsg imsg;
2384 257add31 2020-09-09 stsp size_t datalen;
2385 257add31 2020-09-09 stsp const size_t min_datalen = 0;
2386 257add31 2020-09-09 stsp
2387 257add31 2020-09-09 stsp *str = NULL;
2388 257add31 2020-09-09 stsp
2389 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2390 257add31 2020-09-09 stsp if (err)
2391 257add31 2020-09-09 stsp return err;
2392 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2393 257add31 2020-09-09 stsp
2394 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2395 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2396 257add31 2020-09-09 stsp if (datalen < sizeof(struct got_imsg_error)) {
2397 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2398 257add31 2020-09-09 stsp break;
2399 257add31 2020-09-09 stsp }
2400 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2401 257add31 2020-09-09 stsp break;
2402 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_STR_VAL:
2403 257add31 2020-09-09 stsp if (datalen == 0)
2404 257add31 2020-09-09 stsp break;
2405 5874ea87 2020-09-18 stsp /* datalen does not include terminating \0 */
2406 5874ea87 2020-09-18 stsp *str = malloc(datalen + 1);
2407 257add31 2020-09-09 stsp if (*str == NULL) {
2408 257add31 2020-09-09 stsp err = got_error_from_errno("malloc");
2409 257add31 2020-09-09 stsp break;
2410 257add31 2020-09-09 stsp }
2411 5874ea87 2020-09-18 stsp memcpy(*str, imsg.data, datalen);
2412 5874ea87 2020-09-18 stsp (*str)[datalen] = '\0';
2413 257add31 2020-09-09 stsp break;
2414 257add31 2020-09-09 stsp default:
2415 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2416 257add31 2020-09-09 stsp break;
2417 257add31 2020-09-09 stsp }
2418 257add31 2020-09-09 stsp
2419 257add31 2020-09-09 stsp imsg_free(&imsg);
2420 257add31 2020-09-09 stsp return err;
2421 257add31 2020-09-09 stsp }
2422 257add31 2020-09-09 stsp
2423 257add31 2020-09-09 stsp const struct got_error *
2424 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_remotes(struct got_remote_repo **remotes,
2425 257add31 2020-09-09 stsp int *nremotes, struct imsgbuf *ibuf)
2426 257add31 2020-09-09 stsp {
2427 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2428 257add31 2020-09-09 stsp struct imsg imsg;
2429 257add31 2020-09-09 stsp size_t datalen;
2430 257add31 2020-09-09 stsp struct got_imsg_remotes iremotes;
2431 257add31 2020-09-09 stsp struct got_imsg_remote iremote;
2432 257add31 2020-09-09 stsp const size_t min_datalen =
2433 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremotes));
2434 257add31 2020-09-09 stsp
2435 257add31 2020-09-09 stsp *remotes = NULL;
2436 257add31 2020-09-09 stsp *nremotes = 0;
2437 257add31 2020-09-09 stsp iremotes.nremotes = 0;
2438 257add31 2020-09-09 stsp
2439 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2440 257add31 2020-09-09 stsp if (err)
2441 257add31 2020-09-09 stsp return err;
2442 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2443 257add31 2020-09-09 stsp
2444 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2445 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2446 257add31 2020-09-09 stsp if (datalen < sizeof(struct got_imsg_error)) {
2447 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2448 257add31 2020-09-09 stsp break;
2449 257add31 2020-09-09 stsp }
2450 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2451 257add31 2020-09-09 stsp break;
2452 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTES:
2453 257add31 2020-09-09 stsp if (datalen != sizeof(iremotes)) {
2454 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2455 257add31 2020-09-09 stsp break;
2456 257add31 2020-09-09 stsp }
2457 257add31 2020-09-09 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2458 257add31 2020-09-09 stsp if (iremotes.nremotes == 0) {
2459 257add31 2020-09-09 stsp imsg_free(&imsg);
2460 257add31 2020-09-09 stsp return NULL;
2461 257add31 2020-09-09 stsp }
2462 257add31 2020-09-09 stsp break;
2463 257add31 2020-09-09 stsp default:
2464 257add31 2020-09-09 stsp imsg_free(&imsg);
2465 257add31 2020-09-09 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2466 257add31 2020-09-09 stsp }
2467 257add31 2020-09-09 stsp
2468 257add31 2020-09-09 stsp imsg_free(&imsg);
2469 257add31 2020-09-09 stsp
2470 257add31 2020-09-09 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2471 257add31 2020-09-09 stsp if (*remotes == NULL)
2472 257add31 2020-09-09 stsp return got_error_from_errno("recallocarray");
2473 257add31 2020-09-09 stsp
2474 257add31 2020-09-09 stsp while (*nremotes < iremotes.nremotes) {
2475 257add31 2020-09-09 stsp struct got_remote_repo *remote;
2476 257add31 2020-09-09 stsp const size_t min_datalen =
2477 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremote));
2478 b8adfa55 2020-09-25 stsp int i;
2479 257add31 2020-09-09 stsp
2480 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2481 257add31 2020-09-09 stsp if (err)
2482 257add31 2020-09-09 stsp break;
2483 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2484 257add31 2020-09-09 stsp
2485 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2486 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2487 257add31 2020-09-09 stsp if (datalen < sizeof(struct got_imsg_error)) {
2488 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2489 257add31 2020-09-09 stsp break;
2490 257add31 2020-09-09 stsp }
2491 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2492 257add31 2020-09-09 stsp break;
2493 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTE:
2494 257add31 2020-09-09 stsp remote = &(*remotes)[*nremotes];
2495 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2496 257add31 2020-09-09 stsp if (datalen < sizeof(iremote)) {
2497 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2498 257add31 2020-09-09 stsp break;
2499 257add31 2020-09-09 stsp }
2500 257add31 2020-09-09 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2501 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2502 6480c871 2021-08-30 stsp (iremote.fetch_url_len == 0 &&
2503 6480c871 2021-08-30 stsp iremote.send_url_len == 0) ||
2504 257add31 2020-09-09 stsp (sizeof(iremote) + iremote.name_len +
2505 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) >
2506 6480c871 2021-08-30 stsp datalen) {
2507 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2508 257add31 2020-09-09 stsp break;
2509 257add31 2020-09-09 stsp }
2510 257add31 2020-09-09 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2511 257add31 2020-09-09 stsp iremote.name_len);
2512 257add31 2020-09-09 stsp if (remote->name == NULL) {
2513 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2514 257add31 2020-09-09 stsp break;
2515 257add31 2020-09-09 stsp }
2516 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data +
2517 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len,
2518 6480c871 2021-08-30 stsp iremote.fetch_url_len);
2519 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2520 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2521 6480c871 2021-08-30 stsp free_remote_data(remote);
2522 6480c871 2021-08-30 stsp break;
2523 6480c871 2021-08-30 stsp }
2524 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data +
2525 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len +
2526 6480c871 2021-08-30 stsp iremote.fetch_url_len, iremote.send_url_len);
2527 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2528 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2529 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2530 257add31 2020-09-09 stsp break;
2531 257add31 2020-09-09 stsp }
2532 257add31 2020-09-09 stsp remote->mirror_references = iremote.mirror_references;
2533 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2534 6480c871 2021-08-30 stsp if (iremote.nfetch_branches > 0) {
2535 6480c871 2021-08-30 stsp remote->fetch_branches = recallocarray(NULL, 0,
2536 6480c871 2021-08-30 stsp iremote.nfetch_branches, sizeof(char *));
2537 6480c871 2021-08-30 stsp if (remote->fetch_branches == NULL) {
2538 b8adfa55 2020-09-25 stsp err = got_error_from_errno("calloc");
2539 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2540 b8adfa55 2020-09-25 stsp break;
2541 b8adfa55 2020-09-25 stsp }
2542 b8adfa55 2020-09-25 stsp }
2543 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2544 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_branches; i++) {
2545 b8adfa55 2020-09-25 stsp char *branch;
2546 b8adfa55 2020-09-25 stsp err = got_privsep_recv_gotconfig_str(&branch,
2547 b8adfa55 2020-09-25 stsp ibuf);
2548 b8adfa55 2020-09-25 stsp if (err) {
2549 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2550 b8adfa55 2020-09-25 stsp goto done;
2551 b8adfa55 2020-09-25 stsp }
2552 6480c871 2021-08-30 stsp remote->fetch_branches[i] = branch;
2553 6480c871 2021-08-30 stsp remote->nfetch_branches++;
2554 99495ddb 2021-01-10 stsp }
2555 6480c871 2021-08-30 stsp if (iremote.nsend_branches > 0) {
2556 6480c871 2021-08-30 stsp remote->send_branches = recallocarray(NULL, 0,
2557 6480c871 2021-08-30 stsp iremote.nsend_branches, sizeof(char *));
2558 6480c871 2021-08-30 stsp if (remote->send_branches == NULL) {
2559 99495ddb 2021-01-10 stsp err = got_error_from_errno("calloc");
2560 99495ddb 2021-01-10 stsp free_remote_data(remote);
2561 99495ddb 2021-01-10 stsp break;
2562 99495ddb 2021-01-10 stsp }
2563 b8adfa55 2020-09-25 stsp }
2564 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2565 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nsend_branches; i++) {
2566 6480c871 2021-08-30 stsp char *branch;
2567 6480c871 2021-08-30 stsp err = got_privsep_recv_gotconfig_str(&branch,
2568 6480c871 2021-08-30 stsp ibuf);
2569 6480c871 2021-08-30 stsp if (err) {
2570 6480c871 2021-08-30 stsp free_remote_data(remote);
2571 6480c871 2021-08-30 stsp goto done;
2572 6480c871 2021-08-30 stsp }
2573 6480c871 2021-08-30 stsp remote->send_branches[i] = branch;
2574 6480c871 2021-08-30 stsp remote->nsend_branches++;
2575 6480c871 2021-08-30 stsp }
2576 6480c871 2021-08-30 stsp if (iremote.nfetch_refs > 0) {
2577 6480c871 2021-08-30 stsp remote->fetch_refs = recallocarray(NULL, 0,
2578 6480c871 2021-08-30 stsp iremote.nfetch_refs, sizeof(char *));
2579 6480c871 2021-08-30 stsp if (remote->fetch_refs == NULL) {
2580 6480c871 2021-08-30 stsp err = got_error_from_errno("calloc");
2581 6480c871 2021-08-30 stsp free_remote_data(remote);
2582 6480c871 2021-08-30 stsp break;
2583 6480c871 2021-08-30 stsp }
2584 6480c871 2021-08-30 stsp }
2585 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2586 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_refs; i++) {
2587 99495ddb 2021-01-10 stsp char *ref;
2588 99495ddb 2021-01-10 stsp err = got_privsep_recv_gotconfig_str(&ref,
2589 99495ddb 2021-01-10 stsp ibuf);
2590 99495ddb 2021-01-10 stsp if (err) {
2591 99495ddb 2021-01-10 stsp free_remote_data(remote);
2592 99495ddb 2021-01-10 stsp goto done;
2593 99495ddb 2021-01-10 stsp }
2594 6480c871 2021-08-30 stsp remote->fetch_refs[i] = ref;
2595 6480c871 2021-08-30 stsp remote->nfetch_refs++;
2596 99495ddb 2021-01-10 stsp }
2597 257add31 2020-09-09 stsp (*nremotes)++;
2598 257add31 2020-09-09 stsp break;
2599 257add31 2020-09-09 stsp default:
2600 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2601 257add31 2020-09-09 stsp break;
2602 257add31 2020-09-09 stsp }
2603 257add31 2020-09-09 stsp
2604 257add31 2020-09-09 stsp imsg_free(&imsg);
2605 257add31 2020-09-09 stsp if (err)
2606 257add31 2020-09-09 stsp break;
2607 257add31 2020-09-09 stsp }
2608 b8adfa55 2020-09-25 stsp done:
2609 257add31 2020-09-09 stsp if (err) {
2610 257add31 2020-09-09 stsp int i;
2611 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2612 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2613 257add31 2020-09-09 stsp free(*remotes);
2614 257add31 2020-09-09 stsp *remotes = NULL;
2615 257add31 2020-09-09 stsp *nremotes = 0;
2616 257add31 2020-09-09 stsp }
2617 257add31 2020-09-09 stsp return err;
2618 257add31 2020-09-09 stsp }
2619 257add31 2020-09-09 stsp
2620 257add31 2020-09-09 stsp const struct got_error *
2621 ca6e02ac 2020-01-07 stsp got_privsep_send_commit_traversal_request(struct imsgbuf *ibuf,
2622 abc59930 2021-09-05 naddy struct got_object_id *id, int idx, const char *path)
2623 ca6e02ac 2020-01-07 stsp {
2624 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
2625 ca6e02ac 2020-01-07 stsp struct ibuf *wbuf;
2626 ca6e02ac 2020-01-07 stsp size_t path_len = strlen(path) + 1;
2627 ca6e02ac 2020-01-07 stsp
2628 ca6e02ac 2020-01-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_COMMIT_TRAVERSAL_REQUEST, 0, 0,
2629 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_traversal_request) + path_len);
2630 ca6e02ac 2020-01-07 stsp if (wbuf == NULL)
2631 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
2632 ca6e02ac 2020-01-07 stsp "imsg_create COMMIT_TRAVERSAL_REQUEST");
2633 ca6e02ac 2020-01-07 stsp if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1) {
2634 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("imsg_add COMMIT_TRAVERSAL_REQUEST");
2635 ca6e02ac 2020-01-07 stsp ibuf_free(wbuf);
2636 ca6e02ac 2020-01-07 stsp return err;
2637 ca6e02ac 2020-01-07 stsp }
2638 ca6e02ac 2020-01-07 stsp if (imsg_add(wbuf, &idx, sizeof(idx)) == -1) {
2639 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("imsg_add COMMIT_TRAVERSAL_REQUEST");
2640 ca6e02ac 2020-01-07 stsp ibuf_free(wbuf);
2641 ca6e02ac 2020-01-07 stsp return err;
2642 ca6e02ac 2020-01-07 stsp }
2643 ca6e02ac 2020-01-07 stsp if (imsg_add(wbuf, path, path_len) == -1) {
2644 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("imsg_add COMMIT_TRAVERSAL_REQUEST");
2645 ca6e02ac 2020-01-07 stsp ibuf_free(wbuf);
2646 ca6e02ac 2020-01-07 stsp return err;
2647 ca6e02ac 2020-01-07 stsp }
2648 ca6e02ac 2020-01-07 stsp
2649 ca6e02ac 2020-01-07 stsp wbuf->fd = -1;
2650 ca6e02ac 2020-01-07 stsp imsg_close(ibuf, wbuf);
2651 ca6e02ac 2020-01-07 stsp
2652 ca6e02ac 2020-01-07 stsp return flush_imsg(ibuf);
2653 ca6e02ac 2020-01-07 stsp }
2654 ca6e02ac 2020-01-07 stsp
2655 ca6e02ac 2020-01-07 stsp const struct got_error *
2656 ca6e02ac 2020-01-07 stsp got_privsep_recv_traversed_commits(struct got_commit_object **changed_commit,
2657 ca6e02ac 2020-01-07 stsp struct got_object_id **changed_commit_id,
2658 ca6e02ac 2020-01-07 stsp struct got_object_id_queue *commit_ids, struct imsgbuf *ibuf)
2659 ca6e02ac 2020-01-07 stsp {
2660 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
2661 ca6e02ac 2020-01-07 stsp struct imsg imsg;
2662 ca6e02ac 2020-01-07 stsp struct got_imsg_traversed_commits *icommits;
2663 ca6e02ac 2020-01-07 stsp size_t datalen;
2664 ca6e02ac 2020-01-07 stsp int i, done = 0;
2665 ca6e02ac 2020-01-07 stsp
2666 ca6e02ac 2020-01-07 stsp *changed_commit = NULL;
2667 ca6e02ac 2020-01-07 stsp *changed_commit_id = NULL;
2668 ca6e02ac 2020-01-07 stsp
2669 ca6e02ac 2020-01-07 stsp while (!done) {
2670 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2671 ca6e02ac 2020-01-07 stsp if (err)
2672 ca6e02ac 2020-01-07 stsp return err;
2673 ca6e02ac 2020-01-07 stsp
2674 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2675 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
2676 ca6e02ac 2020-01-07 stsp case GOT_IMSG_TRAVERSED_COMMITS:
2677 ca6e02ac 2020-01-07 stsp icommits = imsg.data;
2678 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommits) +
2679 ca6e02ac 2020-01-07 stsp icommits->ncommits * SHA1_DIGEST_LENGTH) {
2680 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2681 ca6e02ac 2020-01-07 stsp break;
2682 ca6e02ac 2020-01-07 stsp }
2683 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommits->ncommits; i++) {
2684 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
2685 ca6e02ac 2020-01-07 stsp uint8_t *sha1 = (uint8_t *)imsg.data +
2686 ca6e02ac 2020-01-07 stsp sizeof(*icommits) + i * SHA1_DIGEST_LENGTH;
2687 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
2688 ca6e02ac 2020-01-07 stsp if (err)
2689 ca6e02ac 2020-01-07 stsp break;
2690 ca6e02ac 2020-01-07 stsp memcpy(qid->id->sha1, sha1, SHA1_DIGEST_LENGTH);
2691 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(commit_ids, qid, entry);
2692 ca6e02ac 2020-01-07 stsp
2693 ca6e02ac 2020-01-07 stsp /* The last commit may contain a change. */
2694 ca6e02ac 2020-01-07 stsp if (i == icommits->ncommits - 1) {
2695 ca6e02ac 2020-01-07 stsp *changed_commit_id =
2696 ca6e02ac 2020-01-07 stsp got_object_id_dup(qid->id);
2697 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2698 ca6e02ac 2020-01-07 stsp err = got_error_from_errno(
2699 ca6e02ac 2020-01-07 stsp "got_object_id_dup");
2700 ca6e02ac 2020-01-07 stsp break;
2701 ca6e02ac 2020-01-07 stsp }
2702 ca6e02ac 2020-01-07 stsp }
2703 ca6e02ac 2020-01-07 stsp }
2704 ca6e02ac 2020-01-07 stsp break;
2705 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
2706 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2707 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2708 ca6e02ac 2020-01-07 stsp break;
2709 ca6e02ac 2020-01-07 stsp }
2710 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(changed_commit, &imsg,
2711 ca6e02ac 2020-01-07 stsp datalen, ibuf);
2712 ca6e02ac 2020-01-07 stsp break;
2713 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT_TRAVERSAL_DONE:
2714 ca6e02ac 2020-01-07 stsp done = 1;
2715 ca6e02ac 2020-01-07 stsp break;
2716 ca6e02ac 2020-01-07 stsp default:
2717 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2718 ca6e02ac 2020-01-07 stsp break;
2719 ca6e02ac 2020-01-07 stsp }
2720 ca6e02ac 2020-01-07 stsp
2721 ca6e02ac 2020-01-07 stsp imsg_free(&imsg);
2722 ca6e02ac 2020-01-07 stsp if (err)
2723 ca6e02ac 2020-01-07 stsp break;
2724 ca6e02ac 2020-01-07 stsp }
2725 ca6e02ac 2020-01-07 stsp
2726 ca6e02ac 2020-01-07 stsp if (err)
2727 ca6e02ac 2020-01-07 stsp got_object_id_queue_free(commit_ids);
2728 ca6e02ac 2020-01-07 stsp return err;
2729 ca6e02ac 2020-01-07 stsp }
2730 ca6e02ac 2020-01-07 stsp
2731 ca6e02ac 2020-01-07 stsp const struct got_error *
2732 63219cd2 2019-01-04 stsp got_privsep_unveil_exec_helpers(void)
2733 63219cd2 2019-01-04 stsp {
2734 c39c25dd 2019-08-09 stsp const char *helpers[] = {
2735 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_PACK,
2736 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_OBJECT,
2737 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_COMMIT,
2738 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TREE,
2739 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_BLOB,
2740 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TAG,
2741 aba9c984 2019-09-08 stsp GOT_PATH_PROG_READ_GITCONFIG,
2742 257add31 2020-09-09 stsp GOT_PATH_PROG_READ_GOTCONFIG,
2743 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_FETCH_PACK,
2744 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_INDEX_PACK,
2745 f8a36e22 2021-08-26 stsp GOT_PATH_PROG_SEND_PACK,
2746 c39c25dd 2019-08-09 stsp };
2747 16aeacf7 2020-11-26 stsp size_t i;
2748 63219cd2 2019-01-04 stsp
2749 c39c25dd 2019-08-09 stsp for (i = 0; i < nitems(helpers); i++) {
2750 c39c25dd 2019-08-09 stsp if (unveil(helpers[i], "x") == 0)
2751 c39c25dd 2019-08-09 stsp continue;
2752 c39c25dd 2019-08-09 stsp return got_error_from_errno2("unveil", helpers[i]);
2753 c39c25dd 2019-08-09 stsp }
2754 c39c25dd 2019-08-09 stsp
2755 63219cd2 2019-01-04 stsp return NULL;
2756 876c234b 2018-09-10 stsp }
2757 aba9c984 2019-09-08 stsp
2758 aba9c984 2019-09-08 stsp void
2759 aba9c984 2019-09-08 stsp got_privsep_exec_child(int imsg_fds[2], const char *path, const char *repo_path)
2760 aba9c984 2019-09-08 stsp {
2761 08578a35 2021-01-22 stsp if (close(imsg_fds[0]) == -1) {
2762 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
2763 aba9c984 2019-09-08 stsp _exit(1);
2764 aba9c984 2019-09-08 stsp }
2765 aba9c984 2019-09-08 stsp
2766 aba9c984 2019-09-08 stsp if (dup2(imsg_fds[1], GOT_IMSG_FD_CHILD) == -1) {
2767 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
2768 aba9c984 2019-09-08 stsp _exit(1);
2769 aba9c984 2019-09-08 stsp }
2770 aba9c984 2019-09-08 stsp if (closefrom(GOT_IMSG_FD_CHILD + 1) == -1) {
2771 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
2772 aba9c984 2019-09-08 stsp _exit(1);
2773 aba9c984 2019-09-08 stsp }
2774 aba9c984 2019-09-08 stsp
2775 aba9c984 2019-09-08 stsp if (execl(path, path, repo_path, (char *)NULL) == -1) {
2776 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s: %s\n", getprogname(), path,
2777 aba9c984 2019-09-08 stsp strerror(errno));
2778 aba9c984 2019-09-08 stsp _exit(1);
2779 aba9c984 2019-09-08 stsp }
2780 aba9c984 2019-09-08 stsp }