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>
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.
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.
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>
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>
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"
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"
52 2178c42e 2018-04-22 stsp #define MIN(_a,_b) ((_a) < (_b) ? (_a) : (_b))
55 c39c25dd 2019-08-09 stsp #ifndef nitems
56 c39c25dd 2019-08-09 stsp #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
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)
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;
67 2178c42e 2018-04-22 stsp pfd[0].fd = fd;
68 2178c42e 2018-04-22 stsp pfd[0].events = events;
70 a486b62b 2021-05-18 stsp ts.tv_sec = timeout;
71 a486b62b 2021-05-18 stsp ts.tv_nsec = 0;
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");
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");
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;
88 2178c42e 2018-04-22 stsp return got_error(GOT_ERR_INTERRUPT);
91 c4eae628 2018-04-23 stsp static const struct got_error *
92 e033d803 2018-04-23 stsp read_imsg(struct imsgbuf *ibuf)
94 fe36cf76 2018-04-23 stsp const struct got_error *err;
97 c9b75c7b 2022-05-19 stsp err = poll_fd(ibuf->fd, POLLIN, INFTIM);
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);
107 fe36cf76 2018-04-23 stsp if (n == 0)
108 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_PIPE);
110 e033d803 2018-04-23 stsp return NULL;
113 ad242220 2018-09-08 stsp const struct got_error *
114 876c234b 2018-09-10 stsp got_privsep_wait_for_child(pid_t pid)
116 876c234b 2018-09-10 stsp int child_status;
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");
121 876c234b 2018-09-10 stsp if (!WIFEXITED(child_status))
122 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_DIED);
124 876c234b 2018-09-10 stsp if (WEXITSTATUS(child_status) != 0)
125 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_EXIT);
127 876c234b 2018-09-10 stsp return NULL;
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)
133 73b7854a 2018-11-11 stsp struct got_imsg_error *ierr;
135 73b7854a 2018-11-11 stsp if (datalen != sizeof(*ierr))
136 73b7854a 2018-11-11 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
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;
146 73b7854a 2018-11-11 stsp return got_error(ierr->code);
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)
153 e033d803 2018-04-23 stsp const struct got_error *err;
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");
160 876c234b 2018-09-10 stsp while (n == 0) {
161 876c234b 2018-09-10 stsp err = read_imsg(ibuf);
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");
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);
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);
177 73b7854a 2018-11-11 stsp return NULL;
180 2178c42e 2018-04-22 stsp /* Attempt to send an error in an imsg. Complain on stderr as a last resort. */
182 2178c42e 2018-04-22 stsp got_privsep_send_error(struct imsgbuf *ibuf, const struct got_error *err)
184 2178c42e 2018-04-22 stsp const struct got_error *poll_err;
185 2178c42e 2018-04-22 stsp struct got_imsg_error ierr;
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;
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));
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);
207 2178c42e 2018-04-22 stsp ret = imsg_flush(ibuf);
208 5d43e84d 2018-04-23 stsp if (ret == -1) {
209 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_flush: %s\n",
210 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
211 8934ea8b 2022-02-14 op imsg_clear(ibuf);
216 e033d803 2018-04-23 stsp static const struct got_error *
217 e033d803 2018-04-23 stsp flush_imsg(struct imsgbuf *ibuf)
219 e033d803 2018-04-23 stsp const struct got_error *err;
221 e033d803 2018-04-23 stsp err = poll_fd(ibuf->fd, POLLOUT, INFTIM);
223 e033d803 2018-04-23 stsp return err;
225 8934ea8b 2022-02-14 op if (imsg_flush(ibuf) == -1) {
226 8934ea8b 2022-02-14 op imsg_clear(ibuf);
227 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_flush");
230 e033d803 2018-04-23 stsp return NULL;
233 ad242220 2018-09-08 stsp const struct got_error *
234 e70bf110 2020-03-22 stsp got_privsep_flush_imsg(struct imsgbuf *ibuf)
236 e70bf110 2020-03-22 stsp return flush_imsg(ibuf);
239 e70bf110 2020-03-22 stsp const struct got_error *
240 ad242220 2018-09-08 stsp got_privsep_send_stop(int fd)
242 ad242220 2018-09-08 stsp const struct got_error *err = NULL;
243 ad242220 2018-09-08 stsp struct imsgbuf ibuf;
245 ad242220 2018-09-08 stsp imsg_init(&ibuf, fd);
247 ad242220 2018-09-08 stsp if (imsg_compose(&ibuf, GOT_IMSG_STOP, 0, 0, -1, NULL, 0) == -1)
248 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose STOP");
250 ad242220 2018-09-08 stsp err = flush_imsg(&ibuf);
251 ad242220 2018-09-08 stsp return err;
254 93658fb9 2020-03-18 stsp const struct got_error *
255 d5c81d44 2021-07-08 stsp got_privsep_send_obj_req(struct imsgbuf *ibuf, int fd,
256 d5c81d44 2021-07-08 stsp struct got_object_id *id)
258 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT_REQUEST, 0, 0, fd,
259 d5c81d44 2021-07-08 stsp id, sizeof(*id)) == -1)
260 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT_REQUEST");
262 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
265 59d1e4a0 2021-03-10 stsp const struct got_error *
266 d5c81d44 2021-07-08 stsp got_privsep_send_raw_obj_req(struct imsgbuf *ibuf, int fd,
267 d5c81d44 2021-07-08 stsp struct got_object_id *id)
269 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_OBJECT_REQUEST, 0, 0, fd,
270 d5c81d44 2021-07-08 stsp id, sizeof(*id)) == -1)
271 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose RAW_OBJECT_REQUEST");
273 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
276 59d1e4a0 2021-03-10 stsp const struct got_error *
277 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj_outfd(struct imsgbuf *ibuf, int outfd)
279 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
281 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_OBJECT_OUTFD, 0, 0, outfd, NULL, 0)
283 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_compose RAW_OBJECT_OUTFD");
284 59d1e4a0 2021-03-10 stsp close(outfd);
285 59d1e4a0 2021-03-10 stsp return err;
288 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
291 59d1e4a0 2021-03-10 stsp const struct got_error *
292 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj(struct imsgbuf *ibuf, off_t size, size_t hdrlen,
293 59d1e4a0 2021-03-10 stsp uint8_t *data)
295 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
296 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj iobj;
297 59d1e4a0 2021-03-10 stsp size_t len = sizeof(iobj);
298 59d1e4a0 2021-03-10 stsp struct ibuf *wbuf;
300 031611fc 2022-06-18 op memset(&iobj, 0, sizeof(iobj));
301 59d1e4a0 2021-03-10 stsp iobj.hdrlen = hdrlen;
302 59d1e4a0 2021-03-10 stsp iobj.size = size;
304 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX)
305 a8591711 2021-06-18 stsp len += (size_t)size + hdrlen;
307 59d1e4a0 2021-03-10 stsp wbuf = imsg_create(ibuf, GOT_IMSG_RAW_OBJECT, 0, 0, len);
308 59d1e4a0 2021-03-10 stsp if (wbuf == NULL) {
309 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_create RAW_OBJECT");
310 59d1e4a0 2021-03-10 stsp return err;
313 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &iobj, sizeof(iobj)) == -1)
314 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add RAW_OBJECT");
316 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
317 1453347d 2022-05-19 stsp if (imsg_add(wbuf, data, size + hdrlen) == -1)
318 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add RAW_OBJECT");
321 59d1e4a0 2021-03-10 stsp wbuf->fd = -1;
322 59d1e4a0 2021-03-10 stsp imsg_close(ibuf, wbuf);
324 1785f84a 2018-12-23 stsp return flush_imsg(ibuf);
327 1785f84a 2018-12-23 stsp const struct got_error *
328 59d1e4a0 2021-03-10 stsp got_privsep_recv_raw_obj(uint8_t **outbuf, off_t *size, size_t *hdrlen,
329 59d1e4a0 2021-03-10 stsp struct imsgbuf *ibuf)
331 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
332 59d1e4a0 2021-03-10 stsp struct imsg imsg;
333 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj *iobj;
334 59d1e4a0 2021-03-10 stsp size_t datalen;
336 59d1e4a0 2021-03-10 stsp *outbuf = NULL;
338 59d1e4a0 2021-03-10 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
340 59d1e4a0 2021-03-10 stsp return err;
342 59d1e4a0 2021-03-10 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
344 59d1e4a0 2021-03-10 stsp switch (imsg.hdr.type) {
345 59d1e4a0 2021-03-10 stsp case GOT_IMSG_RAW_OBJECT:
346 59d1e4a0 2021-03-10 stsp if (datalen < sizeof(*iobj)) {
347 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
350 59d1e4a0 2021-03-10 stsp iobj = imsg.data;
351 59d1e4a0 2021-03-10 stsp *size = iobj->size;
352 59d1e4a0 2021-03-10 stsp *hdrlen = iobj->hdrlen;
354 59d1e4a0 2021-03-10 stsp if (datalen == sizeof(*iobj)) {
355 59d1e4a0 2021-03-10 stsp /* Data has been written to file descriptor. */
359 c98b0f0b 2022-06-14 op if (*size < 0 ||
360 c98b0f0b 2022-06-14 op *size + *hdrlen > GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
361 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
365 a8591711 2021-06-18 stsp *outbuf = malloc(*size + *hdrlen);
366 59d1e4a0 2021-03-10 stsp if (*outbuf == NULL) {
367 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("malloc");
370 a8591711 2021-06-18 stsp memcpy(*outbuf, imsg.data + sizeof(*iobj), *size + *hdrlen);
373 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
377 59d1e4a0 2021-03-10 stsp imsg_free(&imsg);
379 59d1e4a0 2021-03-10 stsp return err;
382 59d1e4a0 2021-03-10 stsp const struct got_error *
383 1785f84a 2018-12-23 stsp got_privsep_send_commit_req(struct imsgbuf *ibuf, int fd,
384 1785f84a 2018-12-23 stsp struct got_object_id *id, int pack_idx)
386 41496140 2019-02-21 stsp const struct got_error *err = NULL;
387 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
388 d5c81d44 2021-07-08 stsp void *data;
389 1785f84a 2018-12-23 stsp size_t len;
391 031611fc 2022-06-18 op memset(&iobj, 0, sizeof(iobj));
392 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* commit is packed */
393 1785f84a 2018-12-23 stsp iobj.idx = pack_idx;
394 1785f84a 2018-12-23 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
395 d5c81d44 2021-07-08 stsp data = &iobj;
396 1785f84a 2018-12-23 stsp len = sizeof(iobj);
399 d5c81d44 2021-07-08 stsp len = sizeof(*id);
402 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_REQUEST, 0, 0, fd, data, len)
404 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT_REQUEST");
406 41496140 2019-02-21 stsp return err;
409 13c729f7 2018-12-24 stsp return flush_imsg(ibuf);
412 13c729f7 2018-12-24 stsp const struct got_error *
413 13c729f7 2018-12-24 stsp got_privsep_send_tree_req(struct imsgbuf *ibuf, int fd,
414 13c729f7 2018-12-24 stsp struct got_object_id *id, int pack_idx)
416 7f358e3b 2019-11-23 stsp struct ibuf *wbuf;
417 d5c81d44 2021-07-08 stsp size_t len;
419 d5c81d44 2021-07-08 stsp if (pack_idx != -1)
420 d5c81d44 2021-07-08 stsp len = sizeof(struct got_imsg_packed_object);
422 d5c81d44 2021-07-08 stsp len = sizeof(*id);
424 7f358e3b 2019-11-23 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_REQUEST, 0, 0, len);
425 7f358e3b 2019-11-23 stsp if (wbuf == NULL)
426 7f358e3b 2019-11-23 stsp return got_error_from_errno("imsg_create TREE_REQUEST");
428 1453347d 2022-05-19 stsp if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1)
429 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_REQUEST");
431 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tree is packed */
432 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &pack_idx, sizeof(pack_idx)) == -1)
433 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_REQUEST");
436 7f358e3b 2019-11-23 stsp wbuf->fd = fd;
437 7f358e3b 2019-11-23 stsp imsg_close(ibuf, wbuf);
439 268f7291 2018-12-24 stsp return flush_imsg(ibuf);
442 268f7291 2018-12-24 stsp const struct got_error *
443 268f7291 2018-12-24 stsp got_privsep_send_tag_req(struct imsgbuf *ibuf, int fd,
444 268f7291 2018-12-24 stsp struct got_object_id *id, int pack_idx)
446 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
447 d5c81d44 2021-07-08 stsp void *data;
448 268f7291 2018-12-24 stsp size_t len;
450 031611fc 2022-06-18 op memset(&iobj, 0, sizeof(iobj));
451 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tag is packed */
452 268f7291 2018-12-24 stsp iobj.idx = pack_idx;
453 268f7291 2018-12-24 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
454 d5c81d44 2021-07-08 stsp data = &iobj;
455 268f7291 2018-12-24 stsp len = sizeof(iobj);
458 d5c81d44 2021-07-08 stsp len = sizeof(*id);
461 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_REQUEST, 0, 0, fd, data, len)
463 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose TAG_REQUEST");
465 7762fe12 2018-11-05 stsp return flush_imsg(ibuf);
468 7762fe12 2018-11-05 stsp const struct got_error *
469 ebc55e2d 2018-12-24 stsp got_privsep_send_blob_req(struct imsgbuf *ibuf, int infd,
470 ebc55e2d 2018-12-24 stsp struct got_object_id *id, int pack_idx)
472 41496140 2019-02-21 stsp const struct got_error *err = NULL;
473 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
474 d5c81d44 2021-07-08 stsp void *data;
475 ebc55e2d 2018-12-24 stsp size_t len;
477 031611fc 2022-06-18 op memset(&iobj, 0, sizeof(iobj));
478 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* blob is packed */
479 ebc55e2d 2018-12-24 stsp iobj.idx = pack_idx;
480 ebc55e2d 2018-12-24 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
481 d5c81d44 2021-07-08 stsp data = &iobj;
482 ebc55e2d 2018-12-24 stsp len = sizeof(iobj);
485 d5c81d44 2021-07-08 stsp len = sizeof(*id);
488 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_REQUEST, 0, 0, infd, data, len)
490 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_REQUEST");
491 41496140 2019-02-21 stsp close(infd);
492 41496140 2019-02-21 stsp return err;
495 55da3778 2018-09-10 stsp return flush_imsg(ibuf);
498 55da3778 2018-09-10 stsp const struct got_error *
499 55da3778 2018-09-10 stsp got_privsep_send_blob_outfd(struct imsgbuf *ibuf, int outfd)
501 41496140 2019-02-21 stsp const struct got_error *err = NULL;
503 ad242220 2018-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_OUTFD, 0, 0, outfd, NULL, 0)
505 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_OUTFD");
506 41496140 2019-02-21 stsp close(outfd);
507 41496140 2019-02-21 stsp return err;
510 3840f4c9 2018-09-12 stsp return flush_imsg(ibuf);
513 73ab1060 2020-03-18 stsp static const struct got_error *
514 73ab1060 2020-03-18 stsp send_fd(struct imsgbuf *ibuf, int imsg_code, int fd)
516 41496140 2019-02-21 stsp const struct got_error *err = NULL;
518 73ab1060 2020-03-18 stsp if (imsg_compose(ibuf, imsg_code, 0, 0, fd, NULL, 0) == -1) {
519 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TMPFD");
521 41496140 2019-02-21 stsp return err;
524 ad242220 2018-09-08 stsp return flush_imsg(ibuf);
527 ad242220 2018-09-08 stsp const struct got_error *
528 73ab1060 2020-03-18 stsp got_privsep_send_tmpfd(struct imsgbuf *ibuf, int fd)
530 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_TMPFD, fd);
533 73ab1060 2020-03-18 stsp const struct got_error *
534 876c234b 2018-09-10 stsp got_privsep_send_obj(struct imsgbuf *ibuf, struct got_object *obj)
536 2178c42e 2018-04-22 stsp struct got_imsg_object iobj;
538 1a69d37f 2022-06-18 op memset(&iobj, 0, sizeof(iobj));
540 c59b3346 2018-09-11 stsp memcpy(iobj.id, obj->id.sha1, sizeof(iobj.id));
541 2178c42e 2018-04-22 stsp iobj.type = obj->type;
542 2178c42e 2018-04-22 stsp iobj.flags = obj->flags;
543 2178c42e 2018-04-22 stsp iobj.hdrlen = obj->hdrlen;
544 2178c42e 2018-04-22 stsp iobj.size = obj->size;
545 c59b3346 2018-09-11 stsp if (iobj.flags & GOT_OBJ_FLAG_PACKED) {
546 876c234b 2018-09-10 stsp iobj.pack_offset = obj->pack_offset;
547 c59b3346 2018-09-11 stsp iobj.pack_idx = obj->pack_idx;
550 2178c42e 2018-04-22 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT, 0, 0, -1, &iobj, sizeof(iobj))
552 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT");
554 c59b3346 2018-09-11 stsp return flush_imsg(ibuf);
557 cfd633c2 2018-09-10 stsp const struct got_error *
558 33501562 2020-03-18 stsp got_privsep_send_fetch_req(struct imsgbuf *ibuf, int fd,
559 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs, int fetch_all_branches,
560 abc59930 2021-09-05 naddy struct got_pathlist_head *wanted_branches,
561 abc59930 2021-09-05 naddy struct got_pathlist_head *wanted_refs, int list_refs_only, int verbosity)
563 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
564 33501562 2020-03-18 stsp struct ibuf *wbuf;
565 4ba14133 2020-03-20 stsp size_t len;
566 33501562 2020-03-18 stsp struct got_pathlist_entry *pe;
567 4ba14133 2020-03-20 stsp struct got_imsg_fetch_request fetchreq;
569 4ba14133 2020-03-20 stsp memset(&fetchreq, 0, sizeof(fetchreq));
570 4ba14133 2020-03-20 stsp fetchreq.fetch_all_branches = fetch_all_branches;
571 41b0de12 2020-03-21 stsp fetchreq.list_refs_only = list_refs_only;
572 2690194b 2020-03-21 stsp fetchreq.verbosity = verbosity;
573 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, have_refs, entry)
574 4ba14133 2020-03-20 stsp fetchreq.n_have_refs++;
575 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry)
576 4ba14133 2020-03-20 stsp fetchreq.n_wanted_branches++;
577 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry)
578 0e4002ca 2020-03-21 stsp fetchreq.n_wanted_refs++;
579 659e7fbd 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_request);
580 33501562 2020-03-18 stsp if (len >= MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
582 33501562 2020-03-18 stsp return got_error(GOT_ERR_NO_SPACE);
585 4ba14133 2020-03-20 stsp if (imsg_compose(ibuf, GOT_IMSG_FETCH_REQUEST, 0, 0, fd,
586 4ba14133 2020-03-20 stsp &fetchreq, sizeof(fetchreq)) == -1)
587 4ba14133 2020-03-20 stsp return got_error_from_errno(
588 4ba14133 2020-03-20 stsp "imsg_compose FETCH_SERVER_PROGRESS");
590 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
593 659e7fbd 2020-03-20 stsp return err;
597 33501562 2020-03-18 stsp TAILQ_FOREACH(pe, have_refs, entry) {
598 33501562 2020-03-18 stsp const char *name = pe->path;
599 33501562 2020-03-18 stsp size_t name_len = pe->path_len;
600 33501562 2020-03-18 stsp struct got_object_id *id = pe->data;
602 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_have_ref) + name_len;
603 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_HAVE_REF, 0, 0, len);
604 4ba14133 2020-03-20 stsp if (wbuf == NULL)
605 4ba14133 2020-03-20 stsp return got_error_from_errno("imsg_create FETCH_HAVE_REF");
607 33501562 2020-03-18 stsp /* Keep in sync with struct got_imsg_fetch_have_ref! */
608 1453347d 2022-05-19 stsp if (imsg_add(wbuf, id->sha1, sizeof(id->sha1)) == -1)
609 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add FETCH_HAVE_REF");
610 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
611 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add FETCH_HAVE_REF");
612 1453347d 2022-05-19 stsp if (imsg_add(wbuf, name, name_len) == -1)
613 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add FETCH_HAVE_REF");
615 4ba14133 2020-03-20 stsp wbuf->fd = -1;
616 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
617 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
619 4ba14133 2020-03-20 stsp return err;
622 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry) {
623 4ba14133 2020-03-20 stsp const char *name = pe->path;
624 4ba14133 2020-03-20 stsp size_t name_len = pe->path_len;
626 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_wanted_branch) + name_len;
627 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_BRANCH, 0, 0,
629 4ba14133 2020-03-20 stsp if (wbuf == NULL)
630 4ba14133 2020-03-20 stsp return got_error_from_errno(
631 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_BRANCH");
633 4ba14133 2020-03-20 stsp /* Keep in sync with struct got_imsg_fetch_wanted_branch! */
634 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
635 1453347d 2022-05-19 stsp return got_error_from_errno(
636 4ba14133 2020-03-20 stsp "imsg_add FETCH_WANTED_BRANCH");
637 1453347d 2022-05-19 stsp if (imsg_add(wbuf, name, name_len) == -1)
638 1453347d 2022-05-19 stsp return got_error_from_errno(
639 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_BRANCH");
641 4ba14133 2020-03-20 stsp wbuf->fd = -1;
642 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
643 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
645 4ba14133 2020-03-20 stsp return err;
648 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry) {
649 0e4002ca 2020-03-21 stsp const char *name = pe->path;
650 0e4002ca 2020-03-21 stsp size_t name_len = pe->path_len;
652 0e4002ca 2020-03-21 stsp len = sizeof(struct got_imsg_fetch_wanted_ref) + name_len;
653 0e4002ca 2020-03-21 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_REF, 0, 0,
655 0e4002ca 2020-03-21 stsp if (wbuf == NULL)
656 0e4002ca 2020-03-21 stsp return got_error_from_errno(
657 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_REF");
659 0e4002ca 2020-03-21 stsp /* Keep in sync with struct got_imsg_fetch_wanted_ref! */
660 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
661 1453347d 2022-05-19 stsp return got_error_from_errno(
662 0e4002ca 2020-03-21 stsp "imsg_add FETCH_WANTED_REF");
663 1453347d 2022-05-19 stsp if (imsg_add(wbuf, name, name_len) == -1)
664 1453347d 2022-05-19 stsp return got_error_from_errno(
665 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_REF");
667 0e4002ca 2020-03-21 stsp wbuf->fd = -1;
668 0e4002ca 2020-03-21 stsp imsg_close(ibuf, wbuf);
669 0e4002ca 2020-03-21 stsp err = flush_imsg(ibuf);
671 0e4002ca 2020-03-21 stsp return err;
675 4ba14133 2020-03-20 stsp return NULL;
679 93658fb9 2020-03-18 stsp const struct got_error *
680 f826addf 2020-03-18 stsp got_privsep_send_fetch_outfd(struct imsgbuf *ibuf, int fd)
682 f826addf 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_FETCH_OUTFD, fd);
685 531c3985 2020-03-18 stsp const struct got_error *
686 8f2d01a6 2020-03-18 stsp got_privsep_recv_fetch_progress(int *done, struct got_object_id **id,
687 531c3985 2020-03-18 stsp char **refname, struct got_pathlist_head *symrefs, char **server_progress,
688 1d72a2a0 2020-03-24 stsp off_t *packfile_size, uint8_t *pack_sha1, struct imsgbuf *ibuf)
690 b9f99abf 2020-03-18 stsp const struct got_error *err = NULL;
691 b9f99abf 2020-03-18 stsp struct imsg imsg;
692 b9f99abf 2020-03-18 stsp size_t datalen;
693 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symrefs *isymrefs = NULL;
694 abe0f35f 2020-03-18 stsp size_t n, remain;
699 8f2d01a6 2020-03-18 stsp *id = NULL;
700 b9f99abf 2020-03-18 stsp *refname = NULL;
701 531c3985 2020-03-18 stsp *server_progress = NULL;
702 5a489642 2020-03-19 stsp *packfile_size = 0;
703 1d72a2a0 2020-03-24 stsp memset(pack_sha1, 0, SHA1_DIGEST_LENGTH);
705 531c3985 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
707 b9f99abf 2020-03-18 stsp return err;
709 b9f99abf 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
710 b9f99abf 2020-03-18 stsp switch (imsg.hdr.type) {
711 b9f99abf 2020-03-18 stsp case GOT_IMSG_ERROR:
712 b9f99abf 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
714 abe0f35f 2020-03-18 stsp case GOT_IMSG_FETCH_SYMREFS:
715 abe0f35f 2020-03-18 stsp if (datalen < sizeof(*isymrefs)) {
716 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
719 abe0f35f 2020-03-18 stsp if (isymrefs != NULL) {
720 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
723 abe0f35f 2020-03-18 stsp isymrefs = (struct got_imsg_fetch_symrefs *)imsg.data;
724 abe0f35f 2020-03-18 stsp off = sizeof(*isymrefs);
725 abe0f35f 2020-03-18 stsp remain = datalen - off;
726 abe0f35f 2020-03-18 stsp for (n = 0; n < isymrefs->nsymrefs; n++) {
727 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symref *s;
728 abe0f35f 2020-03-18 stsp char *name, *target;
729 abe0f35f 2020-03-18 stsp if (remain < sizeof(struct got_imsg_fetch_symref)) {
730 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
733 abe0f35f 2020-03-18 stsp s = (struct got_imsg_fetch_symref *)(imsg.data + off);
734 abe0f35f 2020-03-18 stsp off += sizeof(*s);
735 abe0f35f 2020-03-18 stsp remain -= sizeof(*s);
736 abe0f35f 2020-03-18 stsp if (remain < s->name_len) {
737 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
740 abe0f35f 2020-03-18 stsp name = strndup(imsg.data + off, s->name_len);
741 abe0f35f 2020-03-18 stsp if (name == NULL) {
742 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
745 abe0f35f 2020-03-18 stsp off += s->name_len;
746 abe0f35f 2020-03-18 stsp remain -= s->name_len;
747 abe0f35f 2020-03-18 stsp if (remain < s->target_len) {
748 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
749 abe0f35f 2020-03-18 stsp free(name);
752 abe0f35f 2020-03-18 stsp target = strndup(imsg.data + off, s->target_len);
753 abe0f35f 2020-03-18 stsp if (target == NULL) {
754 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
755 abe0f35f 2020-03-18 stsp free(name);
758 abe0f35f 2020-03-18 stsp off += s->target_len;
759 abe0f35f 2020-03-18 stsp remain -= s->target_len;
760 abe0f35f 2020-03-18 stsp err = got_pathlist_append(symrefs, name, target);
762 abe0f35f 2020-03-18 stsp free(name);
763 abe0f35f 2020-03-18 stsp free(target);
768 ea7396b9 2020-03-18 stsp case GOT_IMSG_FETCH_REF:
769 531c3985 2020-03-18 stsp if (datalen <= SHA1_DIGEST_LENGTH) {
770 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
773 8f2d01a6 2020-03-18 stsp *id = malloc(sizeof(**id));
774 8f2d01a6 2020-03-18 stsp if (*id == NULL) {
775 b9f99abf 2020-03-18 stsp err = got_error_from_errno("malloc");
778 8f2d01a6 2020-03-18 stsp memcpy((*id)->sha1, imsg.data, SHA1_DIGEST_LENGTH);
779 b9f99abf 2020-03-18 stsp *refname = strndup(imsg.data + SHA1_DIGEST_LENGTH,
780 b9f99abf 2020-03-18 stsp datalen - SHA1_DIGEST_LENGTH);
781 b9f99abf 2020-03-18 stsp if (*refname == NULL) {
782 b9f99abf 2020-03-18 stsp err = got_error_from_errno("strndup");
786 531c3985 2020-03-18 stsp case GOT_IMSG_FETCH_SERVER_PROGRESS:
787 531c3985 2020-03-18 stsp if (datalen == 0) {
788 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
791 531c3985 2020-03-18 stsp *server_progress = strndup(imsg.data, datalen);
792 531c3985 2020-03-18 stsp if (*server_progress == NULL) {
793 531c3985 2020-03-18 stsp err = got_error_from_errno("strndup");
796 531c3985 2020-03-18 stsp for (i = 0; i < datalen; i++) {
797 531c3985 2020-03-18 stsp if (!isprint((unsigned char)(*server_progress)[i]) &&
798 531c3985 2020-03-18 stsp !isspace((unsigned char)(*server_progress)[i])) {
799 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
800 531c3985 2020-03-18 stsp free(*server_progress);
801 531c3985 2020-03-18 stsp *server_progress = NULL;
806 d2cdc636 2020-03-18 stsp case GOT_IMSG_FETCH_DOWNLOAD_PROGRESS:
807 d2cdc636 2020-03-18 stsp if (datalen < sizeof(*packfile_size)) {
808 d2cdc636 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
811 d2cdc636 2020-03-18 stsp memcpy(packfile_size, imsg.data, sizeof(*packfile_size));
813 8f2d01a6 2020-03-18 stsp case GOT_IMSG_FETCH_DONE:
814 8f2d01a6 2020-03-18 stsp if (datalen != SHA1_DIGEST_LENGTH) {
815 8f2d01a6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
818 1d72a2a0 2020-03-24 stsp memcpy(pack_sha1, imsg.data, SHA1_DIGEST_LENGTH);
822 b887aab6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
828 8f2d01a6 2020-03-18 stsp *id = NULL;
829 b887aab6 2020-03-18 stsp free(*refname);
830 b887aab6 2020-03-18 stsp *refname = NULL;
832 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
833 f8a36e22 2021-08-26 stsp return err;
836 f8a36e22 2021-08-26 stsp static const struct got_error *
837 f8a36e22 2021-08-26 stsp send_send_ref(const char *name, size_t name_len, struct got_object_id *id,
838 f8a36e22 2021-08-26 stsp int delete, struct imsgbuf *ibuf)
840 f8a36e22 2021-08-26 stsp size_t len;
841 f8a36e22 2021-08-26 stsp struct ibuf *wbuf;
843 f8a36e22 2021-08-26 stsp len = sizeof(struct got_imsg_send_ref) + name_len;
844 f8a36e22 2021-08-26 stsp wbuf = imsg_create(ibuf, GOT_IMSG_SEND_REF, 0, 0, len);
845 f8a36e22 2021-08-26 stsp if (wbuf == NULL)
846 f8a36e22 2021-08-26 stsp return got_error_from_errno("imsg_create SEND_REF");
848 f8a36e22 2021-08-26 stsp /* Keep in sync with struct got_imsg_send_ref! */
849 1453347d 2022-05-19 stsp if (imsg_add(wbuf, id->sha1, sizeof(id->sha1)) == -1)
850 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add SEND_REF");
851 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &delete, sizeof(delete)) == -1)
852 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add SEND_REF");
853 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
854 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add SEND_REF");
855 1453347d 2022-05-19 stsp if (imsg_add(wbuf, name, name_len) == -1)
856 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add SEND_REF");
858 f8a36e22 2021-08-26 stsp wbuf->fd = -1;
859 f8a36e22 2021-08-26 stsp imsg_close(ibuf, wbuf);
860 f8a36e22 2021-08-26 stsp return flush_imsg(ibuf);
863 f8a36e22 2021-08-26 stsp const struct got_error *
864 f8a36e22 2021-08-26 stsp got_privsep_send_send_req(struct imsgbuf *ibuf, int fd,
865 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs,
866 abc59930 2021-09-05 naddy struct got_pathlist_head *delete_refs,
867 abc59930 2021-09-05 naddy int verbosity)
869 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
870 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *pe;
871 f8a36e22 2021-08-26 stsp struct got_imsg_send_request sendreq;
872 f8a36e22 2021-08-26 stsp struct got_object_id zero_id;
874 f8a36e22 2021-08-26 stsp memset(&zero_id, 0, sizeof(zero_id));
875 f8a36e22 2021-08-26 stsp memset(&sendreq, 0, sizeof(sendreq));
876 f8a36e22 2021-08-26 stsp sendreq.verbosity = verbosity;
877 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry)
878 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
879 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry)
880 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
881 f8a36e22 2021-08-26 stsp if (imsg_compose(ibuf, GOT_IMSG_SEND_REQUEST, 0, 0, fd,
882 f8a36e22 2021-08-26 stsp &sendreq, sizeof(sendreq)) == -1) {
883 f8a36e22 2021-08-26 stsp err = got_error_from_errno(
884 f8a36e22 2021-08-26 stsp "imsg_compose FETCH_SERVER_PROGRESS");
888 f8a36e22 2021-08-26 stsp err = flush_imsg(ibuf);
893 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry) {
894 f8a36e22 2021-08-26 stsp const char *name = pe->path;
895 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
896 f8a36e22 2021-08-26 stsp struct got_object_id *id = pe->data;
897 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, id, 0, ibuf);
902 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry) {
903 f8a36e22 2021-08-26 stsp const char *name = pe->path;
904 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
905 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, &zero_id, 1, ibuf);
910 f8a36e22 2021-08-26 stsp if (fd != -1 && close(fd) == -1 && err == NULL)
911 f8a36e22 2021-08-26 stsp err = got_error_from_errno("close");
912 f8a36e22 2021-08-26 stsp return err;
916 f8a36e22 2021-08-26 stsp const struct got_error *
917 f8a36e22 2021-08-26 stsp got_privsep_recv_send_remote_refs(struct got_pathlist_head *remote_refs,
918 f8a36e22 2021-08-26 stsp struct imsgbuf *ibuf)
920 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
921 f8a36e22 2021-08-26 stsp struct imsg imsg;
922 f8a36e22 2021-08-26 stsp size_t datalen;
923 f8a36e22 2021-08-26 stsp int done = 0;
924 f8a36e22 2021-08-26 stsp struct got_imsg_send_remote_ref iremote_ref;
925 f8a36e22 2021-08-26 stsp struct got_object_id *id = NULL;
926 f8a36e22 2021-08-26 stsp char *refname = NULL;
927 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *new;
929 f8a36e22 2021-08-26 stsp while (!done) {
930 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
932 f8a36e22 2021-08-26 stsp return err;
933 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
934 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
935 f8a36e22 2021-08-26 stsp case GOT_IMSG_ERROR:
936 f8a36e22 2021-08-26 stsp err = recv_imsg_error(&imsg, datalen);
938 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REMOTE_REF:
939 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iremote_ref)) {
940 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
943 f8a36e22 2021-08-26 stsp memcpy(&iremote_ref, imsg.data, sizeof(iremote_ref));
944 f8a36e22 2021-08-26 stsp if (datalen != sizeof(iremote_ref) +
945 f8a36e22 2021-08-26 stsp iremote_ref.name_len) {
946 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
949 f8a36e22 2021-08-26 stsp id = malloc(sizeof(*id));
950 f8a36e22 2021-08-26 stsp if (id == NULL) {
951 f8a36e22 2021-08-26 stsp err = got_error_from_errno("malloc");
954 f8a36e22 2021-08-26 stsp memcpy(id->sha1, iremote_ref.id, SHA1_DIGEST_LENGTH);
955 f8a36e22 2021-08-26 stsp refname = strndup(imsg.data + sizeof(iremote_ref),
956 f8a36e22 2021-08-26 stsp datalen - sizeof(iremote_ref));
957 f8a36e22 2021-08-26 stsp if (refname == NULL) {
958 f8a36e22 2021-08-26 stsp err = got_error_from_errno("strndup");
961 f8a36e22 2021-08-26 stsp err = got_pathlist_insert(&new, remote_refs,
962 f8a36e22 2021-08-26 stsp refname, id);
965 f8a36e22 2021-08-26 stsp if (new == NULL) { /* duplicate which wasn't inserted */
967 f8a36e22 2021-08-26 stsp free(refname);
970 f8a36e22 2021-08-26 stsp refname = NULL;
972 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_PACK_REQUEST:
973 f8a36e22 2021-08-26 stsp if (datalen != 0) {
974 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
977 f8a36e22 2021-08-26 stsp /* got-send-pack is now waiting for a pack file. */
981 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
987 f8a36e22 2021-08-26 stsp free(refname);
988 b9f99abf 2020-03-18 stsp imsg_free(&imsg);
989 b9f99abf 2020-03-18 stsp return err;
992 93658fb9 2020-03-18 stsp const struct got_error *
993 f8a36e22 2021-08-26 stsp got_privsep_send_packfd(struct imsgbuf *ibuf, int fd)
995 f8a36e22 2021-08-26 stsp return send_fd(ibuf, GOT_IMSG_SEND_PACKFD, fd);
998 f8a36e22 2021-08-26 stsp const struct got_error *
999 f8a36e22 2021-08-26 stsp got_privsep_recv_send_progress(int *done, off_t *bytes_sent,
1000 f8a36e22 2021-08-26 stsp int *success, char **refname, struct imsgbuf *ibuf)
1002 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
1003 f8a36e22 2021-08-26 stsp struct imsg imsg;
1004 f8a36e22 2021-08-26 stsp size_t datalen;
1005 f8a36e22 2021-08-26 stsp struct got_imsg_send_ref_status iref_status;
1007 f8a36e22 2021-08-26 stsp /* Do not reset the current value of 'bytes_sent', it accumulates. */
1008 f8a36e22 2021-08-26 stsp *done = 0;
1009 f8a36e22 2021-08-26 stsp *success = 0;
1010 f8a36e22 2021-08-26 stsp *refname = NULL;
1012 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1014 f8a36e22 2021-08-26 stsp return err;
1016 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1017 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
1018 f8a36e22 2021-08-26 stsp case GOT_IMSG_ERROR:
1019 f8a36e22 2021-08-26 stsp err = recv_imsg_error(&imsg, datalen);
1021 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_UPLOAD_PROGRESS:
1022 f8a36e22 2021-08-26 stsp if (datalen < sizeof(*bytes_sent)) {
1023 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1026 f8a36e22 2021-08-26 stsp memcpy(bytes_sent, imsg.data, sizeof(*bytes_sent));
1028 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REF_STATUS:
1029 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iref_status)) {
1030 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1033 f8a36e22 2021-08-26 stsp memcpy(&iref_status, imsg.data, sizeof(iref_status));
1034 f8a36e22 2021-08-26 stsp if (datalen != sizeof(iref_status) + iref_status.name_len) {
1035 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1038 f8a36e22 2021-08-26 stsp *success = iref_status.success;
1039 f8a36e22 2021-08-26 stsp *refname = strndup(imsg.data + sizeof(iref_status),
1040 f8a36e22 2021-08-26 stsp iref_status.name_len);
1042 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_DONE:
1043 f8a36e22 2021-08-26 stsp if (datalen != 0) {
1044 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1047 f8a36e22 2021-08-26 stsp *done = 1;
1050 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1054 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
1055 f8a36e22 2021-08-26 stsp return err;
1058 f8a36e22 2021-08-26 stsp const struct got_error *
1059 fd251256 2020-03-24 stsp got_privsep_send_index_pack_req(struct imsgbuf *ibuf, uint8_t *pack_sha1,
1062 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1064 668a20f6 2020-03-18 stsp /* Keep in sync with struct got_imsg_index_pack_request */
1065 93658fb9 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_IDXPACK_REQUEST, 0, 0, fd,
1066 fd251256 2020-03-24 stsp pack_sha1, SHA1_DIGEST_LENGTH) == -1) {
1067 93658fb9 2020-03-18 stsp err = got_error_from_errno("imsg_compose INDEX_REQUEST");
1068 93658fb9 2020-03-18 stsp close(fd);
1069 93658fb9 2020-03-18 stsp return err;
1071 baa9fea0 2020-03-18 stsp return flush_imsg(ibuf);
1074 baa9fea0 2020-03-18 stsp const struct got_error *
1075 73ab1060 2020-03-18 stsp got_privsep_send_index_pack_outfd(struct imsgbuf *ibuf, int fd)
1077 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_IDXPACK_OUTFD, fd);
1080 73ab1060 2020-03-18 stsp const struct got_error *
1081 668a20f6 2020-03-18 stsp got_privsep_recv_index_progress(int *done, int *nobj_total,
1082 668a20f6 2020-03-18 stsp int *nobj_indexed, int *nobj_loose, int *nobj_resolved,
1083 668a20f6 2020-03-18 stsp struct imsgbuf *ibuf)
1085 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1086 93658fb9 2020-03-18 stsp struct imsg imsg;
1087 baa9fea0 2020-03-18 stsp struct got_imsg_index_pack_progress *iprogress;
1088 baa9fea0 2020-03-18 stsp size_t datalen;
1090 baa9fea0 2020-03-18 stsp *done = 0;
1091 668a20f6 2020-03-18 stsp *nobj_total = 0;
1092 668a20f6 2020-03-18 stsp *nobj_indexed = 0;
1093 668a20f6 2020-03-18 stsp *nobj_resolved = 0;
1095 93658fb9 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1097 93658fb9 2020-03-18 stsp return err;
1099 baa9fea0 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1100 baa9fea0 2020-03-18 stsp switch (imsg.hdr.type) {
1101 baa9fea0 2020-03-18 stsp case GOT_IMSG_ERROR:
1102 baa9fea0 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
1104 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_PROGRESS:
1105 baa9fea0 2020-03-18 stsp if (datalen < sizeof(*iprogress)) {
1106 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1109 baa9fea0 2020-03-18 stsp iprogress = (struct got_imsg_index_pack_progress *)imsg.data;
1110 c98b0f0b 2022-06-14 op if (iprogress->nobj_total < 0 || iprogress->nobj_indexed < 0 ||
1111 c98b0f0b 2022-06-14 op iprogress->nobj_loose < 0 || iprogress->nobj_resolved < 0) {
1112 c98b0f0b 2022-06-14 op err = got_error(GOT_ERR_RANGE);
1115 668a20f6 2020-03-18 stsp *nobj_total = iprogress->nobj_total;
1116 668a20f6 2020-03-18 stsp *nobj_indexed = iprogress->nobj_indexed;
1117 668a20f6 2020-03-18 stsp *nobj_loose = iprogress->nobj_loose;
1118 668a20f6 2020-03-18 stsp *nobj_resolved = iprogress->nobj_resolved;
1120 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_DONE:
1121 baa9fea0 2020-03-18 stsp if (datalen != 0) {
1122 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1125 baa9fea0 2020-03-18 stsp *done = 1;
1128 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1132 93658fb9 2020-03-18 stsp imsg_free(&imsg);
1133 baa9fea0 2020-03-18 stsp return err;
1136 93658fb9 2020-03-18 stsp const struct got_error *
1137 cfd633c2 2018-09-10 stsp got_privsep_get_imsg_obj(struct got_object **obj, struct imsg *imsg,
1138 cfd633c2 2018-09-10 stsp struct imsgbuf *ibuf)
1140 291624d8 2018-11-07 stsp struct got_imsg_object *iobj;
1141 cfd633c2 2018-09-10 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1143 291624d8 2018-11-07 stsp if (datalen != sizeof(*iobj))
1144 cfd633c2 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1145 291624d8 2018-11-07 stsp iobj = imsg->data;
1147 c98b0f0b 2022-06-14 op if (iobj->pack_offset < 0)
1148 c98b0f0b 2022-06-14 op return got_error(GOT_ERR_PACK_OFFSET);
1150 cfd633c2 2018-09-10 stsp *obj = calloc(1, sizeof(**obj));
1151 cfd633c2 2018-09-10 stsp if (*obj == NULL)
1152 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
1154 291624d8 2018-11-07 stsp memcpy((*obj)->id.sha1, iobj->id, SHA1_DIGEST_LENGTH);
1155 291624d8 2018-11-07 stsp (*obj)->type = iobj->type;
1156 291624d8 2018-11-07 stsp (*obj)->flags = iobj->flags;
1157 291624d8 2018-11-07 stsp (*obj)->hdrlen = iobj->hdrlen;
1158 291624d8 2018-11-07 stsp (*obj)->size = iobj->size;
1159 c59b3346 2018-09-11 stsp /* path_packfile is handled by caller */
1160 291624d8 2018-11-07 stsp if (iobj->flags & GOT_OBJ_FLAG_PACKED) {
1161 291624d8 2018-11-07 stsp (*obj)->pack_offset = iobj->pack_offset;
1162 291624d8 2018-11-07 stsp (*obj)->pack_idx = iobj->pack_idx;
1164 d1b988e3 2022-01-26 stsp STAILQ_INIT(&(*obj)->deltas.entries);
1165 9296b03b 2022-01-26 stsp return NULL;
1168 2178c42e 2018-04-22 stsp const struct got_error *
1169 2178c42e 2018-04-22 stsp got_privsep_recv_obj(struct got_object **obj, struct imsgbuf *ibuf)
1171 2178c42e 2018-04-22 stsp const struct got_error *err = NULL;
1172 2178c42e 2018-04-22 stsp struct imsg imsg;
1173 c4eae628 2018-04-23 stsp const size_t min_datalen =
1174 c4eae628 2018-04-23 stsp MIN(sizeof(struct got_imsg_error), sizeof(struct got_imsg_object));
1176 2178c42e 2018-04-22 stsp *obj = NULL;
1178 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1180 2178c42e 2018-04-22 stsp return err;
1182 2178c42e 2018-04-22 stsp switch (imsg.hdr.type) {
1183 2178c42e 2018-04-22 stsp case GOT_IMSG_OBJECT:
1184 cfd633c2 2018-09-10 stsp err = got_privsep_get_imsg_obj(obj, &imsg, ibuf);
1187 bff6ca00 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1191 bff6ca00 2018-04-23 stsp imsg_free(&imsg);
1193 bff6ca00 2018-04-23 stsp return err;
1196 c75f7264 2018-09-11 stsp static const struct got_error *
1197 c75f7264 2018-09-11 stsp send_commit_logmsg(struct imsgbuf *ibuf, struct got_commit_object *commit,
1198 c75f7264 2018-09-11 stsp size_t logmsg_len)
1200 fa4ffeb3 2018-11-04 stsp const struct got_error *err = NULL;
1201 c75f7264 2018-09-11 stsp size_t offset, remain;
1203 c75f7264 2018-09-11 stsp offset = 0;
1204 c75f7264 2018-09-11 stsp remain = logmsg_len;
1205 c75f7264 2018-09-11 stsp while (remain > 0) {
1206 c75f7264 2018-09-11 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1208 c75f7264 2018-09-11 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_LOGMSG, 0, 0, -1,
1209 fa4ffeb3 2018-11-04 stsp commit->logmsg + offset, n) == -1) {
1210 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose "
1211 230a42bd 2019-05-11 jcs "COMMIT_LOGMSG");
1215 fa4ffeb3 2018-11-04 stsp err = flush_imsg(ibuf);
1219 c75f7264 2018-09-11 stsp offset += n;
1220 c75f7264 2018-09-11 stsp remain -= n;
1223 fa4ffeb3 2018-11-04 stsp return err;
1226 bff6ca00 2018-04-23 stsp const struct got_error *
1227 068fd2bf 2018-04-24 stsp got_privsep_send_commit(struct imsgbuf *ibuf, struct got_commit_object *commit)
1229 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1230 b9c33926 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1231 bff6ca00 2018-04-23 stsp uint8_t *buf;
1232 bff6ca00 2018-04-23 stsp size_t len, total;
1233 79f35eb3 2018-06-11 stsp struct got_object_qid *qid;
1234 b9c33926 2018-11-07 stsp size_t author_len = strlen(commit->author);
1235 b9c33926 2018-11-07 stsp size_t committer_len = strlen(commit->committer);
1236 c75f7264 2018-09-11 stsp size_t logmsg_len = strlen(commit->logmsg);
1238 b9c33926 2018-11-07 stsp total = sizeof(*icommit) + author_len + committer_len +
1239 b9c33926 2018-11-07 stsp commit->nparents * SHA1_DIGEST_LENGTH;
1241 bff6ca00 2018-04-23 stsp buf = malloc(total);
1242 bff6ca00 2018-04-23 stsp if (buf == NULL)
1243 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1245 b9c33926 2018-11-07 stsp icommit = (struct got_imsg_commit_object *)buf;
1246 a7403916 2018-12-24 stsp memcpy(icommit->tree_id, commit->tree_id->sha1,
1247 a7403916 2018-12-24 stsp sizeof(icommit->tree_id));
1248 b9c33926 2018-11-07 stsp icommit->author_len = author_len;
1249 b9c33926 2018-11-07 stsp icommit->author_time = commit->author_time;
1250 b9c33926 2018-11-07 stsp icommit->author_gmtoff = commit->author_gmtoff;
1251 b9c33926 2018-11-07 stsp icommit->committer_len = committer_len;
1252 b9c33926 2018-11-07 stsp icommit->committer_time = commit->committer_time;
1253 b9c33926 2018-11-07 stsp icommit->committer_gmtoff = commit->committer_gmtoff;
1254 b9c33926 2018-11-07 stsp icommit->logmsg_len = logmsg_len;
1255 b9c33926 2018-11-07 stsp icommit->nparents = commit->nparents;
1257 b9c33926 2018-11-07 stsp len = sizeof(*icommit);
1258 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->author, author_len);
1259 b9c33926 2018-11-07 stsp len += author_len;
1260 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->committer, committer_len);
1261 b9c33926 2018-11-07 stsp len += committer_len;
1262 dbdddfee 2021-06-23 naddy STAILQ_FOREACH(qid, &commit->parent_ids, entry) {
1263 d7b5a0e8 2022-04-20 stsp memcpy(buf + len, &qid->id, SHA1_DIGEST_LENGTH);
1264 86acc566 2018-04-23 stsp len += SHA1_DIGEST_LENGTH;
1267 bff6ca00 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT, 0, 0, -1, buf, len) == -1) {
1268 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT");
1269 bff6ca00 2018-04-23 stsp goto done;
1272 904df868 2018-11-04 stsp if (logmsg_len == 0 ||
1273 904df868 2018-11-04 stsp logmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1274 904df868 2018-11-04 stsp err = flush_imsg(ibuf);
1276 904df868 2018-11-04 stsp goto done;
1278 c75f7264 2018-09-11 stsp err = send_commit_logmsg(ibuf, commit, logmsg_len);
1280 bff6ca00 2018-04-23 stsp free(buf);
1281 bff6ca00 2018-04-23 stsp return err;
1284 ca6e02ac 2020-01-07 stsp static const struct got_error *
1285 ca6e02ac 2020-01-07 stsp get_commit_from_imsg(struct got_commit_object **commit,
1286 ca6e02ac 2020-01-07 stsp struct imsg *imsg, size_t datalen, struct imsgbuf *ibuf)
1288 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1289 291624d8 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1290 ca6e02ac 2020-01-07 stsp size_t len = 0;
1293 ca6e02ac 2020-01-07 stsp if (datalen < sizeof(*icommit))
1294 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1296 ca6e02ac 2020-01-07 stsp icommit = imsg->data;
1297 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommit) + icommit->author_len +
1298 ca6e02ac 2020-01-07 stsp icommit->committer_len +
1299 ca6e02ac 2020-01-07 stsp icommit->nparents * SHA1_DIGEST_LENGTH)
1300 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1302 ca6e02ac 2020-01-07 stsp if (icommit->nparents < 0)
1303 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1305 ca6e02ac 2020-01-07 stsp len += sizeof(*icommit);
1307 ca6e02ac 2020-01-07 stsp *commit = got_object_commit_alloc_partial();
1308 ca6e02ac 2020-01-07 stsp if (*commit == NULL)
1309 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
1310 ca6e02ac 2020-01-07 stsp "got_object_commit_alloc_partial");
1312 ca6e02ac 2020-01-07 stsp memcpy((*commit)->tree_id->sha1, icommit->tree_id,
1313 ca6e02ac 2020-01-07 stsp SHA1_DIGEST_LENGTH);
1314 ca6e02ac 2020-01-07 stsp (*commit)->author_time = icommit->author_time;
1315 ca6e02ac 2020-01-07 stsp (*commit)->author_gmtoff = icommit->author_gmtoff;
1316 ca6e02ac 2020-01-07 stsp (*commit)->committer_time = icommit->committer_time;
1317 ca6e02ac 2020-01-07 stsp (*commit)->committer_gmtoff = icommit->committer_gmtoff;
1319 bf31a716 2022-06-14 op (*commit)->author = strndup(imsg->data + len, icommit->author_len);
1320 bf31a716 2022-06-14 op if ((*commit)->author == NULL) {
1321 bf31a716 2022-06-14 op err = got_error_from_errno("strndup");
1324 ca6e02ac 2020-01-07 stsp len += icommit->author_len;
1326 bf31a716 2022-06-14 op (*commit)->committer = strndup(imsg->data + len,
1327 bf31a716 2022-06-14 op icommit->committer_len);
1328 bf31a716 2022-06-14 op if ((*commit)->committer == NULL) {
1329 bf31a716 2022-06-14 op err = got_error_from_errno("strndup");
1332 ca6e02ac 2020-01-07 stsp len += icommit->committer_len;
1334 ca6e02ac 2020-01-07 stsp if (icommit->logmsg_len == 0) {
1335 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = strdup("");
1336 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1337 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1338 ca6e02ac 2020-01-07 stsp goto done;
1341 ca6e02ac 2020-01-07 stsp size_t offset = 0, remain = icommit->logmsg_len;
1343 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = malloc(icommit->logmsg_len + 1);
1344 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1345 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1346 ca6e02ac 2020-01-07 stsp goto done;
1348 ca6e02ac 2020-01-07 stsp while (remain > 0) {
1349 ca6e02ac 2020-01-07 stsp struct imsg imsg_log;
1350 ca6e02ac 2020-01-07 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1353 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1355 ca6e02ac 2020-01-07 stsp goto done;
1357 ca6e02ac 2020-01-07 stsp if (imsg_log.hdr.type != GOT_IMSG_COMMIT_LOGMSG) {
1358 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1359 ca6e02ac 2020-01-07 stsp goto done;
1362 ca6e02ac 2020-01-07 stsp memcpy((*commit)->logmsg + offset,
1363 ca6e02ac 2020-01-07 stsp imsg_log.data, n);
1364 ca6e02ac 2020-01-07 stsp imsg_free(&imsg_log);
1365 ca6e02ac 2020-01-07 stsp offset += n;
1366 ca6e02ac 2020-01-07 stsp remain -= n;
1368 ca6e02ac 2020-01-07 stsp (*commit)->logmsg[icommit->logmsg_len] = '\0';
1371 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommit->nparents; i++) {
1372 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
1374 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
1377 d7b5a0e8 2022-04-20 stsp memcpy(&qid->id, imsg->data + len +
1378 d7b5a0e8 2022-04-20 stsp i * SHA1_DIGEST_LENGTH, sizeof(qid->id));
1379 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(&(*commit)->parent_ids, qid, entry);
1380 ca6e02ac 2020-01-07 stsp (*commit)->nparents++;
1383 ca6e02ac 2020-01-07 stsp if (err) {
1384 ca6e02ac 2020-01-07 stsp got_object_commit_close(*commit);
1385 ca6e02ac 2020-01-07 stsp *commit = NULL;
1387 ca6e02ac 2020-01-07 stsp return err;
1390 ca6e02ac 2020-01-07 stsp const struct got_error *
1391 ca6e02ac 2020-01-07 stsp got_privsep_recv_commit(struct got_commit_object **commit, struct imsgbuf *ibuf)
1393 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
1394 ca6e02ac 2020-01-07 stsp struct imsg imsg;
1395 ca6e02ac 2020-01-07 stsp size_t datalen;
1396 ca6e02ac 2020-01-07 stsp const size_t min_datalen =
1397 ca6e02ac 2020-01-07 stsp MIN(sizeof(struct got_imsg_error),
1398 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_object));
1400 ca6e02ac 2020-01-07 stsp *commit = NULL;
1402 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1404 ca6e02ac 2020-01-07 stsp return err;
1406 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1408 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
1409 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
1410 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(commit, &imsg, datalen, ibuf);
1413 8c580685 2018-04-22 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1417 2178c42e 2018-04-22 stsp imsg_free(&imsg);
1419 e033d803 2018-04-23 stsp return err;
1422 33fd69c2 2022-05-19 stsp static const struct got_error *
1423 0ab4c957 2022-06-13 stsp send_tree_entries_batch(struct imsgbuf *ibuf,
1424 0ab4c957 2022-06-13 stsp struct got_parsed_tree_entry *entries, int idx0, int idxN, size_t len)
1426 33fd69c2 2022-05-19 stsp struct ibuf *wbuf;
1427 33fd69c2 2022-05-19 stsp struct got_imsg_tree_entries ientries;
1430 031611fc 2022-06-18 op memset(&ientries, 0, sizeof(ientries));
1432 33fd69c2 2022-05-19 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_ENTRIES, 0, 0, len);
1433 33fd69c2 2022-05-19 stsp if (wbuf == NULL)
1434 33fd69c2 2022-05-19 stsp return got_error_from_errno("imsg_create TREE_ENTRY");
1436 33fd69c2 2022-05-19 stsp ientries.nentries = idxN - idx0 + 1;
1437 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &ientries, sizeof(ientries)) == -1)
1438 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_ENTRY");
1440 33fd69c2 2022-05-19 stsp for (i = idx0; i <= idxN; i++) {
1441 33fd69c2 2022-05-19 stsp struct got_parsed_tree_entry *pte = &entries[i];
1443 3022d272 2019-11-14 stsp /* Keep in sync with struct got_imsg_tree_object definition! */
1444 1453347d 2022-05-19 stsp if (imsg_add(wbuf, pte->id, SHA1_DIGEST_LENGTH) == -1)
1445 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_ENTRY");
1446 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &pte->mode, sizeof(pte->mode)) == -1)
1447 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_ENTRY");
1448 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &pte->namelen, sizeof(pte->namelen)) == -1)
1449 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_ENTRY");
1451 33fd69c2 2022-05-19 stsp /* Remaining bytes are the entry's name. */
1452 1453347d 2022-05-19 stsp if (imsg_add(wbuf, pte->name, pte->namelen) == -1)
1453 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_ENTRY");
1456 33fd69c2 2022-05-19 stsp wbuf->fd = -1;
1457 33fd69c2 2022-05-19 stsp imsg_close(ibuf, wbuf);
1458 33fd69c2 2022-05-19 stsp return NULL;
1461 0ab4c957 2022-06-13 stsp static const struct got_error *
1462 0ab4c957 2022-06-13 stsp send_tree_entries(struct imsgbuf *ibuf, struct got_parsed_tree_entry *entries,
1463 0ab4c957 2022-06-13 stsp int nentries)
1465 33fd69c2 2022-05-19 stsp const struct got_error *err = NULL;
1467 0ab4c957 2022-06-13 stsp size_t entries_len = sizeof(struct got_imsg_tree_entries);
1470 33fd69c2 2022-05-19 stsp for (j = 0; j < nentries; j++) {
1471 33fd69c2 2022-05-19 stsp struct got_parsed_tree_entry *pte = &entries[j];
1472 33fd69c2 2022-05-19 stsp size_t len = sizeof(*pte) + pte->namelen;
1474 33fd69c2 2022-05-19 stsp if (j > 0 &&
1475 33fd69c2 2022-05-19 stsp entries_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1476 0ab4c957 2022-06-13 stsp err = send_tree_entries_batch(ibuf, entries,
1477 33fd69c2 2022-05-19 stsp i, j - 1, entries_len);
1479 33fd69c2 2022-05-19 stsp return err;
1481 33fd69c2 2022-05-19 stsp entries_len = sizeof(struct got_imsg_tree_entries);
1484 33fd69c2 2022-05-19 stsp entries_len += len;
1487 33fd69c2 2022-05-19 stsp if (j > 0) {
1488 0ab4c957 2022-06-13 stsp err = send_tree_entries_batch(ibuf, entries, i, j - 1,
1489 0ab4c957 2022-06-13 stsp entries_len);
1491 33fd69c2 2022-05-19 stsp return err;
1494 0ab4c957 2022-06-13 stsp return NULL;
1497 0ab4c957 2022-06-13 stsp const struct got_error *
1498 0ab4c957 2022-06-13 stsp got_privsep_send_tree(struct imsgbuf *ibuf,
1499 0ab4c957 2022-06-13 stsp struct got_parsed_tree_entry *entries, int nentries)
1501 0ab4c957 2022-06-13 stsp const struct got_error *err = NULL;
1502 0ab4c957 2022-06-13 stsp struct got_imsg_tree_object itree;
1504 031611fc 2022-06-18 op memset(&itree, 0, sizeof(itree));
1505 0ab4c957 2022-06-13 stsp itree.nentries = nentries;
1506 0ab4c957 2022-06-13 stsp if (imsg_compose(ibuf, GOT_IMSG_TREE, 0, 0, -1, &itree, sizeof(itree))
1508 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_compose TREE");
1510 0ab4c957 2022-06-13 stsp err = send_tree_entries(ibuf, entries, nentries);
1512 0ab4c957 2022-06-13 stsp return err;
1514 b00c9821 2018-11-04 stsp return flush_imsg(ibuf);
1518 0ab4c957 2022-06-13 stsp static const struct got_error *
1519 0ab4c957 2022-06-13 stsp recv_tree_entries(void *data, size_t datalen, struct got_tree_object *tree,
1520 0ab4c957 2022-06-13 stsp int *nentries)
1522 0ab4c957 2022-06-13 stsp const struct got_error *err = NULL;
1523 0ab4c957 2022-06-13 stsp struct got_imsg_tree_entries *ientries;
1524 0ab4c957 2022-06-13 stsp struct got_tree_entry *te;
1525 0ab4c957 2022-06-13 stsp size_t te_offset;
1528 0ab4c957 2022-06-13 stsp if (datalen <= sizeof(*ientries) ||
1529 0ab4c957 2022-06-13 stsp datalen > MAX_IMSGSIZE - IMSG_HEADER_SIZE)
1530 0ab4c957 2022-06-13 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1532 0ab4c957 2022-06-13 stsp ientries = (struct got_imsg_tree_entries *)data;
1533 0ab4c957 2022-06-13 stsp if (ientries->nentries > INT_MAX) {
1534 0ab4c957 2022-06-13 stsp return got_error_msg(GOT_ERR_NO_SPACE,
1535 0ab4c957 2022-06-13 stsp "too many tree entries");
1538 0ab4c957 2022-06-13 stsp te_offset = sizeof(*ientries);
1539 0ab4c957 2022-06-13 stsp for (i = 0; i < ientries->nentries; i++) {
1540 0ab4c957 2022-06-13 stsp struct got_imsg_tree_entry ite;
1541 0ab4c957 2022-06-13 stsp const char *te_name;
1542 0ab4c957 2022-06-13 stsp uint8_t *buf = (uint8_t *)data + te_offset;
1544 0ab4c957 2022-06-13 stsp if (te_offset >= datalen) {
1545 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1549 0ab4c957 2022-06-13 stsp /* Might not be aligned, size is ~32 bytes. */
1550 0ab4c957 2022-06-13 stsp memcpy(&ite, buf, sizeof(ite));
1552 0ab4c957 2022-06-13 stsp if (ite.namelen >= sizeof(te->name)) {
1553 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1556 0ab4c957 2022-06-13 stsp if (te_offset + sizeof(ite) + ite.namelen > datalen) {
1557 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1561 0ab4c957 2022-06-13 stsp if (*nentries >= tree->nentries) {
1562 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1565 0ab4c957 2022-06-13 stsp te = &tree->entries[*nentries];
1566 0ab4c957 2022-06-13 stsp te_name = buf + sizeof(ite);
1567 0ab4c957 2022-06-13 stsp memcpy(te->name, te_name, ite.namelen);
1568 0ab4c957 2022-06-13 stsp te->name[ite.namelen] = '\0';
1569 0ab4c957 2022-06-13 stsp memcpy(te->id.sha1, ite.id, SHA1_DIGEST_LENGTH);
1570 0ab4c957 2022-06-13 stsp te->mode = ite.mode;
1571 0ab4c957 2022-06-13 stsp te->idx = *nentries;
1572 0ab4c957 2022-06-13 stsp (*nentries)++;
1574 0ab4c957 2022-06-13 stsp te_offset += sizeof(ite) + ite.namelen;
1577 0ab4c957 2022-06-13 stsp return err;
1580 e033d803 2018-04-23 stsp const struct got_error *
1581 068fd2bf 2018-04-24 stsp got_privsep_recv_tree(struct got_tree_object **tree, struct imsgbuf *ibuf)
1583 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
1584 e033d803 2018-04-23 stsp const size_t min_datalen =
1585 e033d803 2018-04-23 stsp MIN(sizeof(struct got_imsg_error),
1586 e033d803 2018-04-23 stsp sizeof(struct got_imsg_tree_object));
1587 291624d8 2018-11-07 stsp struct got_imsg_tree_object *itree;
1588 e033d803 2018-04-23 stsp int nentries = 0;
1590 e033d803 2018-04-23 stsp *tree = NULL;
1592 e033d803 2018-04-23 stsp err = read_imsg(ibuf);
1594 1e51f5b9 2018-04-23 stsp goto done;
1597 e033d803 2018-04-23 stsp struct imsg imsg;
1599 e033d803 2018-04-23 stsp size_t datalen;
1601 e033d803 2018-04-23 stsp n = imsg_get(ibuf, &imsg);
1602 e033d803 2018-04-23 stsp if (n == 0) {
1603 7429ae85 2022-05-18 stsp if ((*tree)) {
1604 7429ae85 2022-05-18 stsp if (nentries < (*tree)->nentries) {
1605 7429ae85 2022-05-18 stsp err = read_imsg(ibuf);
1612 7429ae85 2022-05-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1617 fca1f6ad 2020-08-27 stsp if (imsg.hdr.len < IMSG_HEADER_SIZE + min_datalen) {
1618 fca1f6ad 2020-08-27 stsp imsg_free(&imsg);
1619 fca1f6ad 2020-08-27 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1623 e033d803 2018-04-23 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1625 e033d803 2018-04-23 stsp switch (imsg.hdr.type) {
1626 e033d803 2018-04-23 stsp case GOT_IMSG_ERROR:
1627 e033d803 2018-04-23 stsp err = recv_imsg_error(&imsg, datalen);
1629 e033d803 2018-04-23 stsp case GOT_IMSG_TREE:
1630 e033d803 2018-04-23 stsp /* This message should only appear once. */
1631 e033d803 2018-04-23 stsp if (*tree != NULL) {
1632 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1635 291624d8 2018-11-07 stsp if (datalen != sizeof(*itree)) {
1636 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1639 291624d8 2018-11-07 stsp itree = imsg.data;
1640 13fcf1bf 2022-05-18 stsp if (itree->nentries < 0) {
1641 13fcf1bf 2022-05-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1644 c3b78ecc 2018-11-07 stsp *tree = malloc(sizeof(**tree));
1645 e033d803 2018-04-23 stsp if (*tree == NULL) {
1646 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1649 56e0773d 2019-11-28 stsp (*tree)->entries = calloc(itree->nentries,
1650 56e0773d 2019-11-28 stsp sizeof(struct got_tree_entry));
1651 56e0773d 2019-11-28 stsp if ((*tree)->entries == NULL) {
1652 56e0773d 2019-11-28 stsp err = got_error_from_errno("malloc");
1653 baef4d75 2022-05-18 stsp free(*tree);
1654 baef4d75 2022-05-18 stsp *tree = NULL;
1657 56e0773d 2019-11-28 stsp (*tree)->nentries = itree->nentries;
1658 c3b78ecc 2018-11-07 stsp (*tree)->refcnt = 0;
1660 33fd69c2 2022-05-19 stsp case GOT_IMSG_TREE_ENTRIES:
1661 e033d803 2018-04-23 stsp /* This message should be preceeded by GOT_IMSG_TREE. */
1662 e033d803 2018-04-23 stsp if (*tree == NULL) {
1663 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1666 0ab4c957 2022-06-13 stsp err = recv_tree_entries(imsg.data, datalen,
1667 0ab4c957 2022-06-13 stsp *tree, &nentries);
1670 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1674 e033d803 2018-04-23 stsp imsg_free(&imsg);
1679 56e0773d 2019-11-28 stsp if (*tree && (*tree)->nentries != nentries) {
1680 1e51f5b9 2018-04-23 stsp if (err == NULL)
1681 1e51f5b9 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1682 e033d803 2018-04-23 stsp got_object_tree_close(*tree);
1683 e033d803 2018-04-23 stsp *tree = NULL;
1686 ff6b18f8 2018-04-24 stsp return err;
1689 ff6b18f8 2018-04-24 stsp const struct got_error *
1690 ac544f8c 2019-01-13 stsp got_privsep_send_blob(struct imsgbuf *ibuf, size_t size, size_t hdrlen,
1691 ac544f8c 2019-01-13 stsp const uint8_t *data)
1693 2967a784 2018-04-24 stsp struct got_imsg_blob iblob;
1695 031611fc 2022-06-18 op memset(&iblob, 0, sizeof(iblob));
1696 2967a784 2018-04-24 stsp iblob.size = size;
1697 ebc55e2d 2018-12-24 stsp iblob.hdrlen = hdrlen;
1699 ac544f8c 2019-01-13 stsp if (data) {
1700 ac544f8c 2019-01-13 stsp uint8_t *buf;
1702 ac544f8c 2019-01-13 stsp if (size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX)
1703 ac544f8c 2019-01-13 stsp return got_error(GOT_ERR_NO_SPACE);
1705 ac544f8c 2019-01-13 stsp buf = malloc(sizeof(iblob) + size);
1706 ac544f8c 2019-01-13 stsp if (buf == NULL)
1707 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1709 ac544f8c 2019-01-13 stsp memcpy(buf, &iblob, sizeof(iblob));
1710 ac544f8c 2019-01-13 stsp memcpy(buf + sizeof(iblob), data, size);
1711 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, buf,
1712 62d463ca 2020-10-20 naddy sizeof(iblob) + size) == -1) {
1713 ac544f8c 2019-01-13 stsp free(buf);
1714 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1716 ac544f8c 2019-01-13 stsp free(buf);
1718 ac544f8c 2019-01-13 stsp /* Data has already been written to file descriptor. */
1719 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, &iblob,
1720 ac544f8c 2019-01-13 stsp sizeof(iblob)) == -1)
1721 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1725 ff6b18f8 2018-04-24 stsp return flush_imsg(ibuf);
1728 ff6b18f8 2018-04-24 stsp const struct got_error *
1729 ac544f8c 2019-01-13 stsp got_privsep_recv_blob(uint8_t **outbuf, size_t *size, size_t *hdrlen,
1730 ac544f8c 2019-01-13 stsp struct imsgbuf *ibuf)
1732 ff6b18f8 2018-04-24 stsp const struct got_error *err = NULL;
1733 ff6b18f8 2018-04-24 stsp struct imsg imsg;
1734 291624d8 2018-11-07 stsp struct got_imsg_blob *iblob;
1735 ff6b18f8 2018-04-24 stsp size_t datalen;
1737 ac544f8c 2019-01-13 stsp *outbuf = NULL;
1739 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1741 ff6b18f8 2018-04-24 stsp return err;
1743 ff6b18f8 2018-04-24 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1745 ff6b18f8 2018-04-24 stsp switch (imsg.hdr.type) {
1746 ff6b18f8 2018-04-24 stsp case GOT_IMSG_BLOB:
1747 ac544f8c 2019-01-13 stsp if (datalen < sizeof(*iblob)) {
1748 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1751 291624d8 2018-11-07 stsp iblob = imsg.data;
1752 291624d8 2018-11-07 stsp *size = iblob->size;
1753 ebc55e2d 2018-12-24 stsp *hdrlen = iblob->hdrlen;
1755 ac544f8c 2019-01-13 stsp if (datalen == sizeof(*iblob)) {
1756 ac544f8c 2019-01-13 stsp /* Data has been written to file descriptor. */
1760 c98b0f0b 2022-06-14 op if (*size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX ||
1761 c98b0f0b 2022-06-14 op *size > datalen + sizeof(*iblob)) {
1762 ac544f8c 2019-01-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1766 ac544f8c 2019-01-13 stsp *outbuf = malloc(*size);
1767 ac544f8c 2019-01-13 stsp if (*outbuf == NULL) {
1768 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1771 ac544f8c 2019-01-13 stsp memcpy(*outbuf, imsg.data + sizeof(*iblob), *size);
1774 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1778 f4a881ce 2018-11-17 stsp imsg_free(&imsg);
1780 f4a881ce 2018-11-17 stsp return err;
1783 f4a881ce 2018-11-17 stsp static const struct got_error *
1784 f4a881ce 2018-11-17 stsp send_tagmsg(struct imsgbuf *ibuf, struct got_tag_object *tag, size_t tagmsg_len)
1786 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1787 f4a881ce 2018-11-17 stsp size_t offset, remain;
1789 f4a881ce 2018-11-17 stsp offset = 0;
1790 f4a881ce 2018-11-17 stsp remain = tagmsg_len;
1791 f4a881ce 2018-11-17 stsp while (remain > 0) {
1792 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1794 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_TAGMSG, 0, 0, -1,
1795 f4a881ce 2018-11-17 stsp tag->tagmsg + offset, n) == -1) {
1796 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG_TAGMSG");
1800 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1804 f4a881ce 2018-11-17 stsp offset += n;
1805 f4a881ce 2018-11-17 stsp remain -= n;
1808 f4a881ce 2018-11-17 stsp return err;
1811 f4a881ce 2018-11-17 stsp const struct got_error *
1812 f4a881ce 2018-11-17 stsp got_privsep_send_tag(struct imsgbuf *ibuf, struct got_tag_object *tag)
1814 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1815 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1816 f4a881ce 2018-11-17 stsp uint8_t *buf;
1817 f4a881ce 2018-11-17 stsp size_t len, total;
1818 f4a881ce 2018-11-17 stsp size_t tag_len = strlen(tag->tag);
1819 f4a881ce 2018-11-17 stsp size_t tagger_len = strlen(tag->tagger);
1820 f4a881ce 2018-11-17 stsp size_t tagmsg_len = strlen(tag->tagmsg);
1822 f4a881ce 2018-11-17 stsp total = sizeof(*itag) + tag_len + tagger_len + tagmsg_len;
1824 f4a881ce 2018-11-17 stsp buf = malloc(total);
1825 f4a881ce 2018-11-17 stsp if (buf == NULL)
1826 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1828 f4a881ce 2018-11-17 stsp itag = (struct got_imsg_tag_object *)buf;
1829 f4a881ce 2018-11-17 stsp memcpy(itag->id, tag->id.sha1, sizeof(itag->id));
1830 f4a881ce 2018-11-17 stsp itag->obj_type = tag->obj_type;
1831 f4a881ce 2018-11-17 stsp itag->tag_len = tag_len;
1832 f4a881ce 2018-11-17 stsp itag->tagger_len = tagger_len;
1833 f4a881ce 2018-11-17 stsp itag->tagger_time = tag->tagger_time;
1834 f4a881ce 2018-11-17 stsp itag->tagger_gmtoff = tag->tagger_gmtoff;
1835 f4a881ce 2018-11-17 stsp itag->tagmsg_len = tagmsg_len;
1837 f4a881ce 2018-11-17 stsp len = sizeof(*itag);
1838 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tag, tag_len);
1839 f4a881ce 2018-11-17 stsp len += tag_len;
1840 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tagger, tagger_len);
1841 f4a881ce 2018-11-17 stsp len += tagger_len;
1843 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG, 0, 0, -1, buf, len) == -1) {
1844 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG");
1845 f4a881ce 2018-11-17 stsp goto done;
1848 f4a881ce 2018-11-17 stsp if (tagmsg_len == 0 ||
1849 f4a881ce 2018-11-17 stsp tagmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1850 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1852 f4a881ce 2018-11-17 stsp goto done;
1854 f4a881ce 2018-11-17 stsp err = send_tagmsg(ibuf, tag, tagmsg_len);
1856 f4a881ce 2018-11-17 stsp free(buf);
1857 f4a881ce 2018-11-17 stsp return err;
1860 f4a881ce 2018-11-17 stsp const struct got_error *
1861 f4a881ce 2018-11-17 stsp got_privsep_recv_tag(struct got_tag_object **tag, struct imsgbuf *ibuf)
1863 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1864 f4a881ce 2018-11-17 stsp struct imsg imsg;
1865 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1866 f4a881ce 2018-11-17 stsp size_t len, datalen;
1867 f4a881ce 2018-11-17 stsp const size_t min_datalen =
1868 f4a881ce 2018-11-17 stsp MIN(sizeof(struct got_imsg_error),
1869 f4a881ce 2018-11-17 stsp sizeof(struct got_imsg_tag_object));
1871 f4a881ce 2018-11-17 stsp *tag = NULL;
1873 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1875 f4a881ce 2018-11-17 stsp return err;
1877 f4a881ce 2018-11-17 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1880 f4a881ce 2018-11-17 stsp switch (imsg.hdr.type) {
1881 f4a881ce 2018-11-17 stsp case GOT_IMSG_TAG:
1882 f4a881ce 2018-11-17 stsp if (datalen < sizeof(*itag)) {
1883 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1886 f4a881ce 2018-11-17 stsp itag = imsg.data;
1887 f4a881ce 2018-11-17 stsp if (datalen != sizeof(*itag) + itag->tag_len +
1888 f4a881ce 2018-11-17 stsp itag->tagger_len) {
1889 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1892 f4a881ce 2018-11-17 stsp len += sizeof(*itag);
1894 f4a881ce 2018-11-17 stsp *tag = calloc(1, sizeof(**tag));
1895 f4a881ce 2018-11-17 stsp if (*tag == NULL) {
1896 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
1900 f4a881ce 2018-11-17 stsp memcpy((*tag)->id.sha1, itag->id, SHA1_DIGEST_LENGTH);
1902 bf31a716 2022-06-14 op (*tag)->tag = strndup(imsg.data + len, itag->tag_len);
1903 bf31a716 2022-06-14 op if ((*tag)->tag == NULL) {
1904 bf31a716 2022-06-14 op err = got_error_from_errno("strndup");
1907 f4a881ce 2018-11-17 stsp len += itag->tag_len;
1909 f4a881ce 2018-11-17 stsp (*tag)->obj_type = itag->obj_type;
1910 f4a881ce 2018-11-17 stsp (*tag)->tagger_time = itag->tagger_time;
1911 f4a881ce 2018-11-17 stsp (*tag)->tagger_gmtoff = itag->tagger_gmtoff;
1913 bf31a716 2022-06-14 op (*tag)->tagger = strndup(imsg.data + len, itag->tagger_len);
1914 bf31a716 2022-06-14 op if ((*tag)->tagger == NULL) {
1915 bf31a716 2022-06-14 op err = got_error_from_errno("strndup");
1918 f4a881ce 2018-11-17 stsp len += itag->tagger_len;
1920 f4a881ce 2018-11-17 stsp if (itag->tagmsg_len == 0) {
1921 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = strdup("");
1922 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1923 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1927 f4a881ce 2018-11-17 stsp size_t offset = 0, remain = itag->tagmsg_len;
1929 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = malloc(itag->tagmsg_len + 1);
1930 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1931 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1934 f4a881ce 2018-11-17 stsp while (remain > 0) {
1935 f4a881ce 2018-11-17 stsp struct imsg imsg_log;
1936 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1939 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1941 f4a881ce 2018-11-17 stsp return err;
1943 f4a881ce 2018-11-17 stsp if (imsg_log.hdr.type != GOT_IMSG_TAG_TAGMSG)
1944 f4a881ce 2018-11-17 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
1946 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagmsg + offset, imsg_log.data,
1948 f4a881ce 2018-11-17 stsp imsg_free(&imsg_log);
1949 f4a881ce 2018-11-17 stsp offset += n;
1950 f4a881ce 2018-11-17 stsp remain -= n;
1952 f4a881ce 2018-11-17 stsp (*tag)->tagmsg[itag->tagmsg_len] = '\0';
1957 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1961 ff6b18f8 2018-04-24 stsp imsg_free(&imsg);
1963 2178c42e 2018-04-22 stsp return err;
1966 876c234b 2018-09-10 stsp const struct got_error *
1967 876c234b 2018-09-10 stsp got_privsep_init_pack_child(struct imsgbuf *ibuf, struct got_pack *pack,
1968 876c234b 2018-09-10 stsp struct got_packidx *packidx)
1970 41496140 2019-02-21 stsp const struct got_error *err = NULL;
1971 876c234b 2018-09-10 stsp struct got_imsg_packidx ipackidx;
1972 876c234b 2018-09-10 stsp struct got_imsg_pack ipack;
1975 031611fc 2022-06-18 op memset(&ipackidx, 0, sizeof(ipackidx));
1976 031611fc 2022-06-18 op memset(&ipack, 0, sizeof(ipack));
1978 876c234b 2018-09-10 stsp ipackidx.len = packidx->len;
1979 c3564dfa 2021-07-15 stsp ipackidx.packfile_size = pack->filesize;
1980 876c234b 2018-09-10 stsp fd = dup(packidx->fd);
1981 876c234b 2018-09-10 stsp if (fd == -1)
1982 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1984 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKIDX, 0, 0, fd, &ipackidx,
1985 41496140 2019-02-21 stsp sizeof(ipackidx)) == -1) {
1986 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACKIDX");
1987 41496140 2019-02-21 stsp close(fd);
1988 41496140 2019-02-21 stsp return err;
1991 876c234b 2018-09-10 stsp if (strlcpy(ipack.path_packfile, pack->path_packfile,
1992 876c234b 2018-09-10 stsp sizeof(ipack.path_packfile)) >= sizeof(ipack.path_packfile))
1993 876c234b 2018-09-10 stsp return got_error(GOT_ERR_NO_SPACE);
1994 876c234b 2018-09-10 stsp ipack.filesize = pack->filesize;
1996 876c234b 2018-09-10 stsp fd = dup(pack->fd);
1997 876c234b 2018-09-10 stsp if (fd == -1)
1998 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
2000 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACK, 0, 0, fd, &ipack, sizeof(ipack))
2002 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACK");
2003 41496140 2019-02-21 stsp close(fd);
2004 41496140 2019-02-21 stsp return err;
2007 876c234b 2018-09-10 stsp return flush_imsg(ibuf);
2010 876c234b 2018-09-10 stsp const struct got_error *
2011 106807b4 2018-09-15 stsp got_privsep_send_packed_obj_req(struct imsgbuf *ibuf, int idx,
2012 106807b4 2018-09-15 stsp struct got_object_id *id)
2014 876c234b 2018-09-10 stsp struct got_imsg_packed_object iobj;
2016 031611fc 2022-06-18 op memset(&iobj, 0, sizeof(iobj));
2017 876c234b 2018-09-10 stsp iobj.idx = idx;
2018 106807b4 2018-09-15 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
2020 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_OBJECT_REQUEST, 0, 0, -1,
2021 876c234b 2018-09-10 stsp &iobj, sizeof(iobj)) == -1)
2022 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose "
2023 230a42bd 2019-05-11 jcs "PACKED_OBJECT_REQUEST");
2025 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2028 aba9c984 2019-09-08 stsp const struct got_error *
2029 59d1e4a0 2021-03-10 stsp got_privsep_send_packed_raw_obj_req(struct imsgbuf *ibuf, int idx,
2030 59d1e4a0 2021-03-10 stsp struct got_object_id *id)
2032 59d1e4a0 2021-03-10 stsp struct got_imsg_packed_object iobj;
2034 031611fc 2022-06-18 op memset(&iobj, 0, sizeof(iobj));
2035 59d1e4a0 2021-03-10 stsp iobj.idx = idx;
2036 59d1e4a0 2021-03-10 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
2038 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_RAW_OBJECT_REQUEST, 0, 0, -1,
2039 59d1e4a0 2021-03-10 stsp &iobj, sizeof(iobj)) == -1)
2040 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose "
2041 59d1e4a0 2021-03-10 stsp "PACKED_OBJECT_REQUEST");
2043 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
2046 59d1e4a0 2021-03-10 stsp const struct got_error *
2047 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_parse_req(struct imsgbuf *ibuf, int fd)
2049 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2051 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_PARSE_REQUEST, 0, 0, fd,
2052 aba9c984 2019-09-08 stsp NULL, 0) == -1) {
2053 aba9c984 2019-09-08 stsp err = got_error_from_errno("imsg_compose "
2054 aba9c984 2019-09-08 stsp "GITCONFIG_PARSE_REQUEST");
2055 aba9c984 2019-09-08 stsp close(fd);
2056 aba9c984 2019-09-08 stsp return err;
2059 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2062 aba9c984 2019-09-08 stsp const struct got_error *
2063 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_repository_format_version_req(struct imsgbuf *ibuf)
2065 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2066 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST, 0, 0, -1,
2067 aba9c984 2019-09-08 stsp NULL, 0) == -1)
2068 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2069 aba9c984 2019-09-08 stsp "GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST");
2071 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2074 aba9c984 2019-09-08 stsp const struct got_error *
2075 20b7abb3 2020-10-22 stsp got_privsep_send_gitconfig_repository_extensions_req(struct imsgbuf *ibuf)
2077 20b7abb3 2020-10-22 stsp if (imsg_compose(ibuf,
2078 20b7abb3 2020-10-22 stsp GOT_IMSG_GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST, 0, 0, -1,
2079 20b7abb3 2020-10-22 stsp NULL, 0) == -1)
2080 20b7abb3 2020-10-22 stsp return got_error_from_errno("imsg_compose "
2081 20b7abb3 2020-10-22 stsp "GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST");
2083 20b7abb3 2020-10-22 stsp return flush_imsg(ibuf);
2087 20b7abb3 2020-10-22 stsp const struct got_error *
2088 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_name_req(struct imsgbuf *ibuf)
2090 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2091 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_NAME_REQUEST, 0, 0, -1, NULL, 0) == -1)
2092 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2093 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_NAME_REQUEST");
2095 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2098 aba9c984 2019-09-08 stsp const struct got_error *
2099 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_email_req(struct imsgbuf *ibuf)
2101 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2102 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_EMAIL_REQUEST, 0, 0, -1, NULL, 0) == -1)
2103 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2104 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_EMAIL_REQUEST");
2106 cd95becd 2019-11-29 stsp return flush_imsg(ibuf);
2109 cd95becd 2019-11-29 stsp const struct got_error *
2110 cd95becd 2019-11-29 stsp got_privsep_send_gitconfig_remotes_req(struct imsgbuf *ibuf)
2112 cd95becd 2019-11-29 stsp if (imsg_compose(ibuf,
2113 cd95becd 2019-11-29 stsp GOT_IMSG_GITCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2114 cd95becd 2019-11-29 stsp return got_error_from_errno("imsg_compose "
2115 cd95becd 2019-11-29 stsp "GITCONFIG_REMOTE_REQUEST");
2117 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2120 aba9c984 2019-09-08 stsp const struct got_error *
2121 9a1cc63f 2020-02-03 stsp got_privsep_send_gitconfig_owner_req(struct imsgbuf *ibuf)
2123 9a1cc63f 2020-02-03 stsp if (imsg_compose(ibuf,
2124 9a1cc63f 2020-02-03 stsp GOT_IMSG_GITCONFIG_OWNER_REQUEST, 0, 0, -1, NULL, 0) == -1)
2125 9a1cc63f 2020-02-03 stsp return got_error_from_errno("imsg_compose "
2126 9a1cc63f 2020-02-03 stsp "GITCONFIG_OWNER_REQUEST");
2128 9a1cc63f 2020-02-03 stsp return flush_imsg(ibuf);
2131 9a1cc63f 2020-02-03 stsp const struct got_error *
2132 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_str(char **str, struct imsgbuf *ibuf)
2134 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2135 aba9c984 2019-09-08 stsp struct imsg imsg;
2136 aba9c984 2019-09-08 stsp size_t datalen;
2138 aba9c984 2019-09-08 stsp *str = NULL;
2140 3e6054c4 2022-06-14 op err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2142 aba9c984 2019-09-08 stsp return err;
2143 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2145 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2146 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_STR_VAL:
2147 aba9c984 2019-09-08 stsp if (datalen == 0)
2149 6c13dcd2 2020-09-18 stsp /* datalen does not include terminating \0 */
2150 6c13dcd2 2020-09-18 stsp *str = malloc(datalen + 1);
2151 aba9c984 2019-09-08 stsp if (*str == NULL) {
2152 aba9c984 2019-09-08 stsp err = got_error_from_errno("malloc");
2155 6c13dcd2 2020-09-18 stsp memcpy(*str, imsg.data, datalen);
2156 6c13dcd2 2020-09-18 stsp (*str)[datalen] = '\0';
2159 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2163 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2164 aba9c984 2019-09-08 stsp return err;
2167 aba9c984 2019-09-08 stsp const struct got_error *
2168 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_int(int *val, struct imsgbuf *ibuf)
2170 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2171 aba9c984 2019-09-08 stsp struct imsg imsg;
2172 aba9c984 2019-09-08 stsp size_t datalen;
2173 aba9c984 2019-09-08 stsp const size_t min_datalen =
2174 aba9c984 2019-09-08 stsp MIN(sizeof(struct got_imsg_error), sizeof(int));
2178 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2180 aba9c984 2019-09-08 stsp return err;
2181 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2183 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2184 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_INT_VAL:
2185 aba9c984 2019-09-08 stsp if (datalen != sizeof(*val)) {
2186 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2189 aba9c984 2019-09-08 stsp memcpy(val, imsg.data, sizeof(*val));
2192 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2196 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2197 cd95becd 2019-11-29 stsp return err;
2200 b8adfa55 2020-09-25 stsp static void
2201 b8adfa55 2020-09-25 stsp free_remote_data(struct got_remote_repo *remote)
2205 b8adfa55 2020-09-25 stsp free(remote->name);
2206 6480c871 2021-08-30 stsp free(remote->fetch_url);
2207 6480c871 2021-08-30 stsp free(remote->send_url);
2208 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_branches; i++)
2209 6480c871 2021-08-30 stsp free(remote->fetch_branches[i]);
2210 6480c871 2021-08-30 stsp free(remote->fetch_branches);
2211 6480c871 2021-08-30 stsp for (i = 0; i < remote->nsend_branches; i++)
2212 6480c871 2021-08-30 stsp free(remote->send_branches[i]);
2213 6480c871 2021-08-30 stsp free(remote->send_branches);
2214 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_refs; i++)
2215 6480c871 2021-08-30 stsp free(remote->fetch_refs[i]);
2216 6480c871 2021-08-30 stsp free(remote->fetch_refs);
2219 cd95becd 2019-11-29 stsp const struct got_error *
2220 cd95becd 2019-11-29 stsp got_privsep_recv_gitconfig_remotes(struct got_remote_repo **remotes,
2221 cd95becd 2019-11-29 stsp int *nremotes, struct imsgbuf *ibuf)
2223 cd95becd 2019-11-29 stsp const struct got_error *err = NULL;
2224 cd95becd 2019-11-29 stsp struct imsg imsg;
2225 cd95becd 2019-11-29 stsp size_t datalen;
2226 cd95becd 2019-11-29 stsp struct got_imsg_remotes iremotes;
2227 cd95becd 2019-11-29 stsp struct got_imsg_remote iremote;
2229 cd95becd 2019-11-29 stsp *remotes = NULL;
2230 cd95becd 2019-11-29 stsp *nremotes = 0;
2231 d669b9c9 2020-02-22 stsp iremotes.nremotes = 0;
2233 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremotes));
2235 cd95becd 2019-11-29 stsp return err;
2236 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2238 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2239 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTES:
2240 cd95becd 2019-11-29 stsp if (datalen != sizeof(iremotes)) {
2241 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2244 cd95becd 2019-11-29 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2245 cd95becd 2019-11-29 stsp if (iremotes.nremotes == 0) {
2246 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2247 cd95becd 2019-11-29 stsp return NULL;
2251 54b1c5b5 2020-02-22 stsp imsg_free(&imsg);
2252 54b1c5b5 2020-02-22 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2255 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2257 5146eb39 2020-03-20 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2258 cd95becd 2019-11-29 stsp if (*remotes == NULL)
2259 cd95becd 2019-11-29 stsp return got_error_from_errno("recallocarray");
2261 cd95becd 2019-11-29 stsp while (*nremotes < iremotes.nremotes) {
2262 cd95becd 2019-11-29 stsp struct got_remote_repo *remote;
2264 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremote));
2267 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2269 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2270 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTE:
2271 cd95becd 2019-11-29 stsp remote = &(*remotes)[*nremotes];
2272 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2273 cd95becd 2019-11-29 stsp if (datalen < sizeof(iremote)) {
2274 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2277 cd95becd 2019-11-29 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2278 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2279 6480c871 2021-08-30 stsp iremote.fetch_url_len == 0 ||
2280 6480c871 2021-08-30 stsp iremote.send_url_len == 0 ||
2281 cd95becd 2019-11-29 stsp (sizeof(iremote) + iremote.name_len +
2282 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) > datalen) {
2283 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2286 cd95becd 2019-11-29 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2287 cd95becd 2019-11-29 stsp iremote.name_len);
2288 cd95becd 2019-11-29 stsp if (remote->name == NULL) {
2289 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2292 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data + sizeof(iremote) +
2293 6480c871 2021-08-30 stsp iremote.name_len, iremote.fetch_url_len);
2294 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2295 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2296 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2299 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data + sizeof(iremote) +
2300 6480c871 2021-08-30 stsp iremote.name_len + iremote.fetch_url_len,
2301 6480c871 2021-08-30 stsp iremote.send_url_len);
2302 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2303 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2304 6480c871 2021-08-30 stsp free_remote_data(remote);
2307 469dd726 2020-03-20 stsp remote->mirror_references = iremote.mirror_references;
2308 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2309 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2310 6480c871 2021-08-30 stsp remote->fetch_branches = NULL;
2311 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2312 6480c871 2021-08-30 stsp remote->send_branches = NULL;
2313 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2314 6480c871 2021-08-30 stsp remote->fetch_refs = NULL;
2315 cd95becd 2019-11-29 stsp (*nremotes)++;
2318 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2322 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2327 cd95becd 2019-11-29 stsp if (err) {
2329 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2330 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2331 cd95becd 2019-11-29 stsp free(*remotes);
2332 cd95becd 2019-11-29 stsp *remotes = NULL;
2333 cd95becd 2019-11-29 stsp *nremotes = 0;
2335 aba9c984 2019-09-08 stsp return err;
2338 257add31 2020-09-09 stsp const struct got_error *
2339 257add31 2020-09-09 stsp got_privsep_send_gotconfig_parse_req(struct imsgbuf *ibuf, int fd)
2341 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2343 257add31 2020-09-09 stsp if (imsg_compose(ibuf, GOT_IMSG_GOTCONFIG_PARSE_REQUEST, 0, 0, fd,
2344 257add31 2020-09-09 stsp NULL, 0) == -1) {
2345 257add31 2020-09-09 stsp err = got_error_from_errno("imsg_compose "
2346 257add31 2020-09-09 stsp "GOTCONFIG_PARSE_REQUEST");
2347 257add31 2020-09-09 stsp close(fd);
2348 257add31 2020-09-09 stsp return err;
2351 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2354 257add31 2020-09-09 stsp const struct got_error *
2355 257add31 2020-09-09 stsp got_privsep_send_gotconfig_author_req(struct imsgbuf *ibuf)
2357 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2358 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_AUTHOR_REQUEST, 0, 0, -1, NULL, 0) == -1)
2359 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2360 257add31 2020-09-09 stsp "GOTCONFIG_AUTHOR_REQUEST");
2362 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2365 ca6e02ac 2020-01-07 stsp const struct got_error *
2366 257add31 2020-09-09 stsp got_privsep_send_gotconfig_remotes_req(struct imsgbuf *ibuf)
2368 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2369 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2370 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2371 257add31 2020-09-09 stsp "GOTCONFIG_REMOTE_REQUEST");
2373 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2376 257add31 2020-09-09 stsp const struct got_error *
2377 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_str(char **str, struct imsgbuf *ibuf)
2379 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2380 257add31 2020-09-09 stsp struct imsg imsg;
2381 257add31 2020-09-09 stsp size_t datalen;
2383 257add31 2020-09-09 stsp *str = NULL;
2385 3e6054c4 2022-06-14 op err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2387 257add31 2020-09-09 stsp return err;
2388 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2390 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2391 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2392 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2394 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_STR_VAL:
2395 257add31 2020-09-09 stsp if (datalen == 0)
2397 5874ea87 2020-09-18 stsp /* datalen does not include terminating \0 */
2398 5874ea87 2020-09-18 stsp *str = malloc(datalen + 1);
2399 257add31 2020-09-09 stsp if (*str == NULL) {
2400 257add31 2020-09-09 stsp err = got_error_from_errno("malloc");
2403 5874ea87 2020-09-18 stsp memcpy(*str, imsg.data, datalen);
2404 5874ea87 2020-09-18 stsp (*str)[datalen] = '\0';
2407 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2411 257add31 2020-09-09 stsp imsg_free(&imsg);
2412 257add31 2020-09-09 stsp return err;
2415 257add31 2020-09-09 stsp const struct got_error *
2416 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_remotes(struct got_remote_repo **remotes,
2417 257add31 2020-09-09 stsp int *nremotes, struct imsgbuf *ibuf)
2419 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2420 257add31 2020-09-09 stsp struct imsg imsg;
2421 257add31 2020-09-09 stsp size_t datalen;
2422 257add31 2020-09-09 stsp struct got_imsg_remotes iremotes;
2423 257add31 2020-09-09 stsp struct got_imsg_remote iremote;
2424 257add31 2020-09-09 stsp const size_t min_datalen =
2425 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremotes));
2427 257add31 2020-09-09 stsp *remotes = NULL;
2428 257add31 2020-09-09 stsp *nremotes = 0;
2429 257add31 2020-09-09 stsp iremotes.nremotes = 0;
2431 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2433 257add31 2020-09-09 stsp return err;
2434 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2436 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2437 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2438 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2440 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTES:
2441 257add31 2020-09-09 stsp if (datalen != sizeof(iremotes)) {
2442 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2445 257add31 2020-09-09 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2446 c98b0f0b 2022-06-14 op if (iremotes.nremotes < 0) {
2447 c98b0f0b 2022-06-14 op err = got_error(GOT_ERR_PRIVSEP_LEN);
2450 257add31 2020-09-09 stsp if (iremotes.nremotes == 0) {
2451 257add31 2020-09-09 stsp imsg_free(&imsg);
2452 257add31 2020-09-09 stsp return NULL;
2456 257add31 2020-09-09 stsp imsg_free(&imsg);
2457 257add31 2020-09-09 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2460 257add31 2020-09-09 stsp imsg_free(&imsg);
2462 257add31 2020-09-09 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2463 257add31 2020-09-09 stsp if (*remotes == NULL)
2464 257add31 2020-09-09 stsp return got_error_from_errno("recallocarray");
2466 257add31 2020-09-09 stsp while (*nremotes < iremotes.nremotes) {
2467 257add31 2020-09-09 stsp struct got_remote_repo *remote;
2468 257add31 2020-09-09 stsp const size_t min_datalen =
2469 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremote));
2472 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2475 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2477 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2478 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2479 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2481 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTE:
2482 257add31 2020-09-09 stsp remote = &(*remotes)[*nremotes];
2483 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2484 257add31 2020-09-09 stsp if (datalen < sizeof(iremote)) {
2485 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2488 257add31 2020-09-09 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2489 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2490 6480c871 2021-08-30 stsp (iremote.fetch_url_len == 0 &&
2491 6480c871 2021-08-30 stsp iremote.send_url_len == 0) ||
2492 257add31 2020-09-09 stsp (sizeof(iremote) + iremote.name_len +
2493 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) >
2494 6480c871 2021-08-30 stsp datalen) {
2495 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2498 257add31 2020-09-09 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2499 257add31 2020-09-09 stsp iremote.name_len);
2500 257add31 2020-09-09 stsp if (remote->name == NULL) {
2501 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2504 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data +
2505 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len,
2506 6480c871 2021-08-30 stsp iremote.fetch_url_len);
2507 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2508 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2509 6480c871 2021-08-30 stsp free_remote_data(remote);
2512 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data +
2513 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len +
2514 6480c871 2021-08-30 stsp iremote.fetch_url_len, iremote.send_url_len);
2515 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2516 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2517 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2520 257add31 2020-09-09 stsp remote->mirror_references = iremote.mirror_references;
2521 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2522 6480c871 2021-08-30 stsp if (iremote.nfetch_branches > 0) {
2523 6480c871 2021-08-30 stsp remote->fetch_branches = recallocarray(NULL, 0,
2524 6480c871 2021-08-30 stsp iremote.nfetch_branches, sizeof(char *));
2525 6480c871 2021-08-30 stsp if (remote->fetch_branches == NULL) {
2526 b8adfa55 2020-09-25 stsp err = got_error_from_errno("calloc");
2527 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2531 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2532 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_branches; i++) {
2533 b8adfa55 2020-09-25 stsp char *branch;
2534 b8adfa55 2020-09-25 stsp err = got_privsep_recv_gotconfig_str(&branch,
2536 b8adfa55 2020-09-25 stsp if (err) {
2537 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2538 b8adfa55 2020-09-25 stsp goto done;
2540 6480c871 2021-08-30 stsp remote->fetch_branches[i] = branch;
2541 6480c871 2021-08-30 stsp remote->nfetch_branches++;
2543 6480c871 2021-08-30 stsp if (iremote.nsend_branches > 0) {
2544 6480c871 2021-08-30 stsp remote->send_branches = recallocarray(NULL, 0,
2545 6480c871 2021-08-30 stsp iremote.nsend_branches, sizeof(char *));
2546 6480c871 2021-08-30 stsp if (remote->send_branches == NULL) {
2547 99495ddb 2021-01-10 stsp err = got_error_from_errno("calloc");
2548 99495ddb 2021-01-10 stsp free_remote_data(remote);
2552 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2553 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nsend_branches; i++) {
2554 6480c871 2021-08-30 stsp char *branch;
2555 6480c871 2021-08-30 stsp err = got_privsep_recv_gotconfig_str(&branch,
2557 6480c871 2021-08-30 stsp if (err) {
2558 6480c871 2021-08-30 stsp free_remote_data(remote);
2559 6480c871 2021-08-30 stsp goto done;
2561 6480c871 2021-08-30 stsp remote->send_branches[i] = branch;
2562 6480c871 2021-08-30 stsp remote->nsend_branches++;
2564 6480c871 2021-08-30 stsp if (iremote.nfetch_refs > 0) {
2565 6480c871 2021-08-30 stsp remote->fetch_refs = recallocarray(NULL, 0,
2566 6480c871 2021-08-30 stsp iremote.nfetch_refs, sizeof(char *));
2567 6480c871 2021-08-30 stsp if (remote->fetch_refs == NULL) {
2568 6480c871 2021-08-30 stsp err = got_error_from_errno("calloc");
2569 6480c871 2021-08-30 stsp free_remote_data(remote);
2573 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2574 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_refs; i++) {
2575 99495ddb 2021-01-10 stsp char *ref;
2576 99495ddb 2021-01-10 stsp err = got_privsep_recv_gotconfig_str(&ref,
2578 99495ddb 2021-01-10 stsp if (err) {
2579 99495ddb 2021-01-10 stsp free_remote_data(remote);
2580 99495ddb 2021-01-10 stsp goto done;
2582 6480c871 2021-08-30 stsp remote->fetch_refs[i] = ref;
2583 6480c871 2021-08-30 stsp remote->nfetch_refs++;
2585 257add31 2020-09-09 stsp (*nremotes)++;
2588 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2592 257add31 2020-09-09 stsp imsg_free(&imsg);
2597 257add31 2020-09-09 stsp if (err) {
2599 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2600 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2601 257add31 2020-09-09 stsp free(*remotes);
2602 257add31 2020-09-09 stsp *remotes = NULL;
2603 257add31 2020-09-09 stsp *nremotes = 0;
2605 257add31 2020-09-09 stsp return err;
2608 257add31 2020-09-09 stsp const struct got_error *
2609 ca6e02ac 2020-01-07 stsp got_privsep_send_commit_traversal_request(struct imsgbuf *ibuf,
2610 abc59930 2021-09-05 naddy struct got_object_id *id, int idx, const char *path)
2612 ca6e02ac 2020-01-07 stsp struct ibuf *wbuf;
2613 ca6e02ac 2020-01-07 stsp size_t path_len = strlen(path) + 1;
2615 ca6e02ac 2020-01-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_COMMIT_TRAVERSAL_REQUEST, 0, 0,
2616 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_traversal_request) + path_len);
2617 ca6e02ac 2020-01-07 stsp if (wbuf == NULL)
2618 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
2619 ca6e02ac 2020-01-07 stsp "imsg_create COMMIT_TRAVERSAL_REQUEST");
2620 1453347d 2022-05-19 stsp if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1)
2621 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add "
2622 1453347d 2022-05-19 stsp "COMMIT_TRAVERSAL_REQUEST");
2623 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &idx, sizeof(idx)) == -1)
2624 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add "
2625 1453347d 2022-05-19 stsp "COMMIT_TRAVERSAL_REQUEST");
2626 1453347d 2022-05-19 stsp if (imsg_add(wbuf, path, path_len) == -1)
2627 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add "
2628 1453347d 2022-05-19 stsp "COMMIT_TRAVERSAL_REQUEST");
2630 ca6e02ac 2020-01-07 stsp wbuf->fd = -1;
2631 ca6e02ac 2020-01-07 stsp imsg_close(ibuf, wbuf);
2633 ca6e02ac 2020-01-07 stsp return flush_imsg(ibuf);
2636 ca6e02ac 2020-01-07 stsp const struct got_error *
2637 ca6e02ac 2020-01-07 stsp got_privsep_recv_traversed_commits(struct got_commit_object **changed_commit,
2638 ca6e02ac 2020-01-07 stsp struct got_object_id **changed_commit_id,
2639 ca6e02ac 2020-01-07 stsp struct got_object_id_queue *commit_ids, struct imsgbuf *ibuf)
2641 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
2642 ca6e02ac 2020-01-07 stsp struct imsg imsg;
2643 ca6e02ac 2020-01-07 stsp struct got_imsg_traversed_commits *icommits;
2644 ca6e02ac 2020-01-07 stsp size_t datalen;
2645 ca6e02ac 2020-01-07 stsp int i, done = 0;
2647 ca6e02ac 2020-01-07 stsp *changed_commit = NULL;
2648 ca6e02ac 2020-01-07 stsp *changed_commit_id = NULL;
2650 ca6e02ac 2020-01-07 stsp while (!done) {
2651 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2653 ca6e02ac 2020-01-07 stsp return err;
2655 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2656 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
2657 ca6e02ac 2020-01-07 stsp case GOT_IMSG_TRAVERSED_COMMITS:
2658 ca6e02ac 2020-01-07 stsp icommits = imsg.data;
2659 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommits) +
2660 ca6e02ac 2020-01-07 stsp icommits->ncommits * SHA1_DIGEST_LENGTH) {
2661 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2664 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommits->ncommits; i++) {
2665 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
2666 ca6e02ac 2020-01-07 stsp uint8_t *sha1 = (uint8_t *)imsg.data +
2667 ca6e02ac 2020-01-07 stsp sizeof(*icommits) + i * SHA1_DIGEST_LENGTH;
2668 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
2671 d7b5a0e8 2022-04-20 stsp memcpy(qid->id.sha1, sha1, SHA1_DIGEST_LENGTH);
2672 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(commit_ids, qid, entry);
2674 ca6e02ac 2020-01-07 stsp /* The last commit may contain a change. */
2675 ca6e02ac 2020-01-07 stsp if (i == icommits->ncommits - 1) {
2676 ca6e02ac 2020-01-07 stsp *changed_commit_id =
2677 d7b5a0e8 2022-04-20 stsp got_object_id_dup(&qid->id);
2678 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2679 ca6e02ac 2020-01-07 stsp err = got_error_from_errno(
2680 ca6e02ac 2020-01-07 stsp "got_object_id_dup");
2686 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
2687 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2688 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2691 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(changed_commit, &imsg,
2692 ca6e02ac 2020-01-07 stsp datalen, ibuf);
2694 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT_TRAVERSAL_DONE:
2698 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2702 ca6e02ac 2020-01-07 stsp imsg_free(&imsg);
2708 ca6e02ac 2020-01-07 stsp got_object_id_queue_free(commit_ids);
2709 ca6e02ac 2020-01-07 stsp return err;
2712 0ab4c957 2022-06-13 stsp const struct got_error *
2713 0ab4c957 2022-06-13 stsp got_privsep_send_enumerated_tree(size_t *totlen, struct imsgbuf *ibuf,
2714 0ab4c957 2022-06-13 stsp struct got_object_id *tree_id, const char *path,
2715 0ab4c957 2022-06-13 stsp struct got_parsed_tree_entry *entries, int nentries)
2717 0ab4c957 2022-06-13 stsp const struct got_error *err = NULL;
2718 0ab4c957 2022-06-13 stsp struct ibuf *wbuf;
2719 0ab4c957 2022-06-13 stsp size_t path_len = strlen(path);
2720 0ab4c957 2022-06-13 stsp size_t msglen;
2722 0ab4c957 2022-06-13 stsp msglen = sizeof(struct got_imsg_enumerated_tree) + path_len;
2723 0ab4c957 2022-06-13 stsp wbuf = imsg_create(ibuf, GOT_IMSG_ENUMERATED_TREE, 0, 0, msglen);
2724 0ab4c957 2022-06-13 stsp if (wbuf == NULL)
2725 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_create ENUMERATED_TREE");
2727 0ab4c957 2022-06-13 stsp if (imsg_add(wbuf, tree_id->sha1, SHA1_DIGEST_LENGTH) == -1)
2728 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_add ENUMERATED_TREE");
2729 0ab4c957 2022-06-13 stsp if (imsg_add(wbuf, &nentries, sizeof(nentries)) == -1)
2730 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_add ENUMERATED_TREE");
2731 0ab4c957 2022-06-13 stsp if (imsg_add(wbuf, path, path_len) == -1)
2732 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_add ENUMERATED_TREE");
2734 0ab4c957 2022-06-13 stsp wbuf->fd = -1;
2735 0ab4c957 2022-06-13 stsp imsg_close(ibuf, wbuf);
2737 0ab4c957 2022-06-13 stsp if (entries) {
2738 0ab4c957 2022-06-13 stsp err = send_tree_entries(ibuf, entries, nentries);
2740 0ab4c957 2022-06-13 stsp return err;
2743 0ab4c957 2022-06-13 stsp return flush_imsg(ibuf);
2746 67fd6849 2022-02-13 stsp const struct got_error *
2747 0ab4c957 2022-06-13 stsp got_privsep_send_object_enumeration_request(struct imsgbuf *ibuf)
2749 0ab4c957 2022-06-13 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_REQUEST,
2750 0ab4c957 2022-06-13 stsp 0, 0, -1, NULL, 0) == -1)
2751 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_compose "
2752 0ab4c957 2022-06-13 stsp "OBJECT_ENUMERATION_REQUEST");
2754 0ab4c957 2022-06-13 stsp return flush_imsg(ibuf);
2757 0ab4c957 2022-06-13 stsp const struct got_error *
2758 0ab4c957 2022-06-13 stsp got_privsep_send_object_enumeration_done(struct imsgbuf *ibuf)
2760 0ab4c957 2022-06-13 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_DONE,
2761 0ab4c957 2022-06-13 stsp 0, 0, -1, NULL, 0) == -1)
2762 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_compose "
2763 0ab4c957 2022-06-13 stsp "OBJECT_ENUMERATION_DONE");
2765 0ab4c957 2022-06-13 stsp return flush_imsg(ibuf);
2768 0ab4c957 2022-06-13 stsp const struct got_error *
2769 db9b9b1c 2022-06-14 stsp got_privsep_send_object_enumeration_incomplete(struct imsgbuf *ibuf)
2771 db9b9b1c 2022-06-14 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_INCOMPLETE,
2772 db9b9b1c 2022-06-14 stsp 0, 0, -1, NULL, 0) == -1)
2773 db9b9b1c 2022-06-14 stsp return got_error_from_errno("imsg_compose "
2774 db9b9b1c 2022-06-14 stsp "OBJECT_ENUMERATION_INCOMPLETE");
2776 db9b9b1c 2022-06-14 stsp return flush_imsg(ibuf);
2779 db9b9b1c 2022-06-14 stsp const struct got_error *
2780 0ab4c957 2022-06-13 stsp got_privsep_send_enumerated_commit(struct imsgbuf *ibuf,
2781 0ab4c957 2022-06-13 stsp struct got_object_id *id, time_t mtime)
2783 0ab4c957 2022-06-13 stsp struct ibuf *wbuf;
2785 0ab4c957 2022-06-13 stsp wbuf = imsg_create(ibuf, GOT_IMSG_ENUMERATED_COMMIT, 0, 0,
2786 0ab4c957 2022-06-13 stsp sizeof(struct got_imsg_enumerated_commit) + SHA1_DIGEST_LENGTH);
2787 0ab4c957 2022-06-13 stsp if (wbuf == NULL)
2788 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_create ENUMERATED_COMMIT");
2790 0ab4c957 2022-06-13 stsp /* Keep in sync with struct got_imsg_enumerated_commit! */
2791 0ab4c957 2022-06-13 stsp if (imsg_add(wbuf, id, SHA1_DIGEST_LENGTH) == -1)
2792 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_add ENUMERATED_COMMIT");
2793 0ab4c957 2022-06-13 stsp if (imsg_add(wbuf, &mtime, sizeof(mtime)) == -1)
2794 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_add ENUMERATED_COMMIT");
2796 0ab4c957 2022-06-13 stsp wbuf->fd = -1;
2797 0ab4c957 2022-06-13 stsp imsg_close(ibuf, wbuf);
2798 0ab4c957 2022-06-13 stsp /* Don't flush yet, tree entries or ENUMERATION_DONE will follow. */
2799 0ab4c957 2022-06-13 stsp return NULL;
2802 0ab4c957 2022-06-13 stsp const struct got_error *
2803 db9b9b1c 2022-06-14 stsp got_privsep_recv_enumerated_objects(int *found_all_objects,
2804 db9b9b1c 2022-06-14 stsp struct imsgbuf *ibuf,
2805 0ab4c957 2022-06-13 stsp got_object_enumerate_commit_cb cb_commit,
2806 0ab4c957 2022-06-13 stsp got_object_enumerate_tree_cb cb_tree, void *cb_arg,
2807 0ab4c957 2022-06-13 stsp struct got_repository *repo)
2809 0ab4c957 2022-06-13 stsp const struct got_error *err = NULL;
2810 0ab4c957 2022-06-13 stsp struct imsg imsg;
2811 0ab4c957 2022-06-13 stsp struct got_imsg_enumerated_commit *icommit = NULL;
2812 0ab4c957 2022-06-13 stsp struct got_object_id commit_id;
2813 0ab4c957 2022-06-13 stsp int have_commit = 0;
2814 0ab4c957 2022-06-13 stsp time_t mtime = 0;
2815 0ab4c957 2022-06-13 stsp struct got_tree_object tree;
2816 0ab4c957 2022-06-13 stsp struct got_imsg_enumerated_tree *itree;
2817 0ab4c957 2022-06-13 stsp struct got_object_id tree_id;
2818 0ab4c957 2022-06-13 stsp char *path = NULL, *canon_path = NULL;
2819 0ab4c957 2022-06-13 stsp size_t datalen, path_len;
2820 0ab4c957 2022-06-13 stsp int nentries = -1;
2821 0ab4c957 2022-06-13 stsp int done = 0;
2823 db9b9b1c 2022-06-14 stsp *found_all_objects = 0;
2824 0ab4c957 2022-06-13 stsp memset(&tree, 0, sizeof(tree));
2826 0ab4c957 2022-06-13 stsp while (!done) {
2827 0ab4c957 2022-06-13 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2831 0ab4c957 2022-06-13 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2832 0ab4c957 2022-06-13 stsp switch (imsg.hdr.type) {
2833 b4b1b9c0 2022-06-14 op case GOT_IMSG_ENUMERATED_COMMIT:
2834 0ab4c957 2022-06-13 stsp if (have_commit && nentries != -1) {
2835 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2838 0ab4c957 2022-06-13 stsp if (datalen != sizeof(*icommit)) {
2839 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2842 0ab4c957 2022-06-13 stsp icommit = (struct got_imsg_enumerated_commit *)imsg.data;
2843 0ab4c957 2022-06-13 stsp memcpy(commit_id.sha1, icommit->id, SHA1_DIGEST_LENGTH);
2844 0ab4c957 2022-06-13 stsp mtime = icommit->mtime;
2845 0ab4c957 2022-06-13 stsp have_commit = 1;
2847 0ab4c957 2022-06-13 stsp case GOT_IMSG_ENUMERATED_TREE:
2848 0ab4c957 2022-06-13 stsp /* Should be preceeded by GOT_IMSG_ENUMERATED_COMMIT. */
2849 0ab4c957 2022-06-13 stsp if (!have_commit) {
2850 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2853 0ab4c957 2022-06-13 stsp if (datalen < sizeof(*itree)) {
2854 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2857 0ab4c957 2022-06-13 stsp itree = imsg.data;
2858 0ab4c957 2022-06-13 stsp path_len = datalen - sizeof(*itree);
2859 0ab4c957 2022-06-13 stsp if (path_len == 0) {
2860 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2863 0ab4c957 2022-06-13 stsp memcpy(tree_id.sha1, itree->id, sizeof(tree_id.sha1));
2864 0ab4c957 2022-06-13 stsp free(path);
2865 0ab4c957 2022-06-13 stsp path = malloc(path_len + 1);
2866 0ab4c957 2022-06-13 stsp if (path == NULL) {
2867 0ab4c957 2022-06-13 stsp err = got_error_from_errno("malloc");
2870 0ab4c957 2022-06-13 stsp free(canon_path);
2871 0ab4c957 2022-06-13 stsp canon_path = malloc(path_len + 1);
2872 0ab4c957 2022-06-13 stsp if (canon_path == NULL) {
2873 0ab4c957 2022-06-13 stsp err = got_error_from_errno("malloc");
2876 0ab4c957 2022-06-13 stsp memcpy(path, (uint8_t *)imsg.data + sizeof(*itree),
2877 0ab4c957 2022-06-13 stsp path_len);
2878 0ab4c957 2022-06-13 stsp path[path_len] = '\0';
2879 0ab4c957 2022-06-13 stsp if (!got_path_is_absolute(path)) {
2880 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_BAD_PATH);
2883 0ab4c957 2022-06-13 stsp if (got_path_is_root_dir(path)) {
2884 0ab4c957 2022-06-13 stsp /* XXX check what got_canonpath() does wrong */
2885 0ab4c957 2022-06-13 stsp canon_path[0] = '/';
2886 0ab4c957 2022-06-13 stsp canon_path[1] = '\0';
2888 0ab4c957 2022-06-13 stsp err = got_canonpath(path, canon_path,
2889 0ab4c957 2022-06-13 stsp path_len + 1);
2893 0ab4c957 2022-06-13 stsp if (strcmp(path, canon_path) != 0) {
2894 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_BAD_PATH);
2897 0ab4c957 2022-06-13 stsp if (nentries != -1) {
2898 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2901 0ab4c957 2022-06-13 stsp if (itree->nentries < -1) {
2902 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2905 0ab4c957 2022-06-13 stsp if (itree->nentries == -1) {
2906 0ab4c957 2022-06-13 stsp /* Tree was not found in pack file. */
2907 0ab4c957 2022-06-13 stsp err = cb_tree(cb_arg, NULL, mtime, &tree_id,
2908 0ab4c957 2022-06-13 stsp path, repo);
2911 0ab4c957 2022-06-13 stsp if (itree->nentries > INT_MAX) {
2912 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2915 0ab4c957 2022-06-13 stsp tree.entries = calloc(itree->nentries,
2916 0ab4c957 2022-06-13 stsp sizeof(struct got_tree_entry));
2917 0ab4c957 2022-06-13 stsp if (tree.entries == NULL) {
2918 0ab4c957 2022-06-13 stsp err = got_error_from_errno("calloc");
2921 0ab4c957 2022-06-13 stsp if (itree->nentries == 0) {
2922 0ab4c957 2022-06-13 stsp err = cb_tree(cb_arg, &tree, mtime, &tree_id,
2923 0ab4c957 2022-06-13 stsp path, repo);
2927 0ab4c957 2022-06-13 stsp /* Prepare for next tree. */
2928 0ab4c957 2022-06-13 stsp free(tree.entries);
2929 0ab4c957 2022-06-13 stsp memset(&tree, 0, sizeof(tree));
2930 0ab4c957 2022-06-13 stsp nentries = -1;
2932 0ab4c957 2022-06-13 stsp tree.nentries = itree->nentries;
2933 0ab4c957 2022-06-13 stsp nentries = 0;
2936 0ab4c957 2022-06-13 stsp case GOT_IMSG_TREE_ENTRIES:
2937 0ab4c957 2022-06-13 stsp /* Should be preceeded by GOT_IMSG_ENUMERATED_TREE. */
2938 0ab4c957 2022-06-13 stsp if (nentries <= -1) {
2939 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2942 0ab4c957 2022-06-13 stsp err = recv_tree_entries(imsg.data, datalen,
2943 0ab4c957 2022-06-13 stsp &tree, &nentries);
2946 0ab4c957 2022-06-13 stsp if (tree.nentries == nentries) {
2947 0ab4c957 2022-06-13 stsp err = cb_tree(cb_arg, &tree, mtime, &tree_id,
2948 0ab4c957 2022-06-13 stsp path, repo);
2952 0ab4c957 2022-06-13 stsp /* Prepare for next tree. */
2953 0ab4c957 2022-06-13 stsp free(tree.entries);
2954 0ab4c957 2022-06-13 stsp memset(&tree, 0, sizeof(tree));
2955 0ab4c957 2022-06-13 stsp nentries = -1;
2958 0ab4c957 2022-06-13 stsp case GOT_IMSG_TREE_ENUMERATION_DONE:
2959 0ab4c957 2022-06-13 stsp /* All trees have been found and traversed. */
2960 0ab4c957 2022-06-13 stsp if (!have_commit || path == NULL || nentries != -1) {
2961 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2964 0ab4c957 2022-06-13 stsp err = cb_commit(cb_arg, mtime, &commit_id, repo);
2967 0ab4c957 2022-06-13 stsp have_commit = 0;
2969 0ab4c957 2022-06-13 stsp case GOT_IMSG_OBJECT_ENUMERATION_DONE:
2970 db9b9b1c 2022-06-14 stsp *found_all_objects = 1;
2973 db9b9b1c 2022-06-14 stsp case GOT_IMSG_OBJECT_ENUMERATION_INCOMPLETE:
2977 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2981 0ab4c957 2022-06-13 stsp imsg_free(&imsg);
2986 0ab4c957 2022-06-13 stsp free(path);
2987 0ab4c957 2022-06-13 stsp free(canon_path);
2988 0ab4c957 2022-06-13 stsp free(tree.entries);
2989 0ab4c957 2022-06-13 stsp return err;
2992 0ab4c957 2022-06-13 stsp const struct got_error *
2993 67fd6849 2022-02-13 stsp got_privsep_send_raw_delta_req(struct imsgbuf *ibuf, int idx,
2994 67fd6849 2022-02-13 stsp struct got_object_id *id)
2996 67fd6849 2022-02-13 stsp struct got_imsg_raw_delta_request dreq;
2998 031611fc 2022-06-18 op memset(&dreq, 0, sizeof(dreq));
2999 67fd6849 2022-02-13 stsp dreq.idx = idx;
3000 67fd6849 2022-02-13 stsp memcpy(dreq.id, id->sha1, SHA1_DIGEST_LENGTH);
3002 67fd6849 2022-02-13 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_DELTA_REQUEST, 0, 0, -1,
3003 67fd6849 2022-02-13 stsp &dreq, sizeof(dreq)) == -1)
3004 67fd6849 2022-02-13 stsp return got_error_from_errno("imsg_compose RAW_DELTA_REQUEST");
3006 67fd6849 2022-02-13 stsp return flush_imsg(ibuf);
3009 67fd6849 2022-02-13 stsp const struct got_error *
3010 67fd6849 2022-02-13 stsp got_privsep_send_raw_delta_outfd(struct imsgbuf *ibuf, int fd)
3012 67fd6849 2022-02-13 stsp return send_fd(ibuf, GOT_IMSG_RAW_DELTA_OUTFD, fd);
3015 67fd6849 2022-02-13 stsp const struct got_error *
3016 67fd6849 2022-02-13 stsp got_privsep_send_raw_delta(struct imsgbuf *ibuf, uint64_t base_size,
3017 2d9e6abf 2022-05-04 stsp uint64_t result_size, off_t delta_size, off_t delta_compressed_size,
3018 2d9e6abf 2022-05-04 stsp off_t delta_offset, off_t delta_out_offset, struct got_object_id *base_id)
3020 67fd6849 2022-02-13 stsp struct got_imsg_raw_delta idelta;
3023 031611fc 2022-06-18 op memset(&idelta, 0, sizeof(idelta));
3024 67fd6849 2022-02-13 stsp idelta.base_size = base_size;
3025 67fd6849 2022-02-13 stsp idelta.result_size = result_size;
3026 67fd6849 2022-02-13 stsp idelta.delta_size = delta_size;
3027 2d9e6abf 2022-05-04 stsp idelta.delta_compressed_size = delta_compressed_size;
3028 67fd6849 2022-02-13 stsp idelta.delta_offset = delta_offset;
3029 67fd6849 2022-02-13 stsp idelta.delta_out_offset = delta_out_offset;
3030 67fd6849 2022-02-13 stsp memcpy(idelta.base_id, base_id->sha1, SHA1_DIGEST_LENGTH);
3032 67fd6849 2022-02-13 stsp ret = imsg_compose(ibuf, GOT_IMSG_RAW_DELTA, 0, 0, -1,
3033 67fd6849 2022-02-13 stsp &idelta, sizeof(idelta));
3034 67fd6849 2022-02-13 stsp if (ret == -1)
3035 67fd6849 2022-02-13 stsp return got_error_from_errno("imsg_compose RAW_DELTA");
3037 67fd6849 2022-02-13 stsp return flush_imsg(ibuf);
3040 ca6e02ac 2020-01-07 stsp const struct got_error *
3041 67fd6849 2022-02-13 stsp got_privsep_recv_raw_delta(uint64_t *base_size, uint64_t *result_size,
3042 2d9e6abf 2022-05-04 stsp off_t *delta_size, off_t *delta_compressed_size, off_t *delta_offset,
3043 2d9e6abf 2022-05-04 stsp off_t *delta_out_offset, struct got_object_id **base_id, struct imsgbuf *ibuf)
3045 67fd6849 2022-02-13 stsp const struct got_error *err = NULL;
3046 67fd6849 2022-02-13 stsp struct imsg imsg;
3047 67fd6849 2022-02-13 stsp struct got_imsg_raw_delta *delta;
3048 67fd6849 2022-02-13 stsp size_t datalen;
3050 67fd6849 2022-02-13 stsp *base_size = 0;
3051 67fd6849 2022-02-13 stsp *result_size = 0;
3052 67fd6849 2022-02-13 stsp *delta_size = 0;
3053 2d9e6abf 2022-05-04 stsp *delta_compressed_size = 0;
3054 67fd6849 2022-02-13 stsp *delta_offset = 0;
3055 67fd6849 2022-02-13 stsp *delta_out_offset = 0;
3056 67fd6849 2022-02-13 stsp *base_id = NULL;
3058 67fd6849 2022-02-13 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3060 67fd6849 2022-02-13 stsp return err;
3062 67fd6849 2022-02-13 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3064 67fd6849 2022-02-13 stsp switch (imsg.hdr.type) {
3065 67fd6849 2022-02-13 stsp case GOT_IMSG_RAW_DELTA:
3066 67fd6849 2022-02-13 stsp if (datalen != sizeof(*delta)) {
3067 67fd6849 2022-02-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
3070 67fd6849 2022-02-13 stsp delta = imsg.data;
3071 67fd6849 2022-02-13 stsp *base_size = delta->base_size;
3072 67fd6849 2022-02-13 stsp *result_size = delta->result_size;
3073 67fd6849 2022-02-13 stsp *delta_size = delta->delta_size;
3074 2d9e6abf 2022-05-04 stsp *delta_compressed_size = delta->delta_compressed_size;
3075 67fd6849 2022-02-13 stsp *delta_offset = delta->delta_offset;
3076 67fd6849 2022-02-13 stsp *delta_out_offset = delta->delta_out_offset;
3077 67fd6849 2022-02-13 stsp *base_id = calloc(1, sizeof(**base_id));
3078 67fd6849 2022-02-13 stsp if (*base_id == NULL) {
3079 67fd6849 2022-02-13 stsp err = got_error_from_errno("malloc");
3082 67fd6849 2022-02-13 stsp memcpy((*base_id)->sha1, delta->base_id, SHA1_DIGEST_LENGTH);
3085 67fd6849 2022-02-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
3089 67fd6849 2022-02-13 stsp imsg_free(&imsg);
3091 67fd6849 2022-02-13 stsp if (err) {
3092 67fd6849 2022-02-13 stsp free(*base_id);
3093 67fd6849 2022-02-13 stsp *base_id = NULL;
3095 fae7e038 2022-05-07 stsp return err;
3098 0ab4c957 2022-06-13 stsp static const struct got_error *
3099 0ab4c957 2022-06-13 stsp send_idlist(struct imsgbuf *ibuf, struct got_object_id **ids, size_t nids)
3101 fae7e038 2022-05-07 stsp const struct got_error *err = NULL;
3102 fae7e038 2022-05-07 stsp struct got_imsg_object_idlist idlist;
3103 fae7e038 2022-05-07 stsp struct ibuf *wbuf;
3106 031611fc 2022-06-18 op memset(&idlist, 0, sizeof(idlist));
3108 fae7e038 2022-05-07 stsp if (nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS)
3109 fae7e038 2022-05-07 stsp return got_error(GOT_ERR_NO_SPACE);
3111 fae7e038 2022-05-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_OBJ_ID_LIST, 0, 0,
3112 fae7e038 2022-05-07 stsp sizeof(idlist) + nids * sizeof(**ids));
3113 fae7e038 2022-05-07 stsp if (wbuf == NULL) {
3114 fae7e038 2022-05-07 stsp err = got_error_from_errno("imsg_create OBJ_ID_LIST");
3115 fae7e038 2022-05-07 stsp return err;
3118 fae7e038 2022-05-07 stsp idlist.nids = nids;
3119 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &idlist, sizeof(idlist)) == -1)
3120 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add OBJ_ID_LIST");
3122 fae7e038 2022-05-07 stsp for (i = 0; i < nids; i++) {
3123 fae7e038 2022-05-07 stsp struct got_object_id *id = ids[i];
3124 1453347d 2022-05-19 stsp if (imsg_add(wbuf, id, sizeof(*id)) == -1)
3125 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add OBJ_ID_LIST");
3128 fae7e038 2022-05-07 stsp wbuf->fd = -1;
3129 fae7e038 2022-05-07 stsp imsg_close(ibuf, wbuf);
3131 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
3134 fae7e038 2022-05-07 stsp const struct got_error *
3135 0ab4c957 2022-06-13 stsp got_privsep_send_object_idlist(struct imsgbuf *ibuf,
3136 0ab4c957 2022-06-13 stsp struct got_object_id **ids, size_t nids)
3138 0ab4c957 2022-06-13 stsp const struct got_error *err = NULL;
3139 0ab4c957 2022-06-13 stsp struct got_object_id *idlist[GOT_IMSG_OBJ_ID_LIST_MAX_NIDS];
3140 a5e587e0 2022-06-14 stsp int i, queued = 0;
3142 b4b1b9c0 2022-06-14 op for (i = 0; i < nids; i++) {
3143 a5e587e0 2022-06-14 stsp idlist[i % nitems(idlist)] = ids[i];
3145 afd31498 2022-06-14 stsp if (queued >= nitems(idlist)) {
3146 a5e587e0 2022-06-14 stsp err = send_idlist(ibuf, idlist, queued);
3148 0ab4c957 2022-06-13 stsp return err;
3149 a5e587e0 2022-06-14 stsp queued = 0;
3153 a5e587e0 2022-06-14 stsp if (queued > 0) {
3154 a5e587e0 2022-06-14 stsp err = send_idlist(ibuf, idlist, queued);
3156 0ab4c957 2022-06-13 stsp return err;
3159 0ab4c957 2022-06-13 stsp return NULL;
3162 0ab4c957 2022-06-13 stsp const struct got_error *
3163 fae7e038 2022-05-07 stsp got_privsep_send_object_idlist_done(struct imsgbuf *ibuf)
3165 fae7e038 2022-05-07 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJ_ID_LIST_DONE, 0, 0, -1, NULL, 0)
3167 fae7e038 2022-05-07 stsp return got_error_from_errno("imsg_compose OBJ_ID_LIST_DONE");
3169 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
3172 fae7e038 2022-05-07 stsp const struct got_error *
3173 fae7e038 2022-05-07 stsp got_privsep_recv_object_idlist(int *done, struct got_object_id **ids,
3174 fae7e038 2022-05-07 stsp size_t *nids, struct imsgbuf *ibuf)
3176 fae7e038 2022-05-07 stsp const struct got_error *err = NULL;
3177 fae7e038 2022-05-07 stsp struct imsg imsg;
3178 fae7e038 2022-05-07 stsp struct got_imsg_object_idlist *idlist;
3179 fae7e038 2022-05-07 stsp size_t datalen;
3181 fae7e038 2022-05-07 stsp *ids = NULL;
3182 fae7e038 2022-05-07 stsp *done = 0;
3183 fae7e038 2022-05-07 stsp *nids = 0;
3185 fae7e038 2022-05-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3187 fae7e038 2022-05-07 stsp return err;
3189 fae7e038 2022-05-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3190 fae7e038 2022-05-07 stsp switch (imsg.hdr.type) {
3191 fae7e038 2022-05-07 stsp case GOT_IMSG_OBJ_ID_LIST:
3192 fae7e038 2022-05-07 stsp if (datalen < sizeof(*idlist)) {
3193 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
3196 fae7e038 2022-05-07 stsp idlist = imsg.data;
3197 c98b0f0b 2022-06-14 op if (idlist->nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS ||
3198 c98b0f0b 2022-06-14 op idlist->nids * sizeof(**ids) > datalen - sizeof(*idlist)) {
3199 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
3202 fae7e038 2022-05-07 stsp *nids = idlist->nids;
3203 fae7e038 2022-05-07 stsp *ids = calloc(*nids, sizeof(**ids));
3204 fae7e038 2022-05-07 stsp if (*ids == NULL) {
3205 fae7e038 2022-05-07 stsp err = got_error_from_errno("calloc");
3208 0fca100c 2022-06-14 op memcpy(*ids, (uint8_t *)imsg.data + sizeof(*idlist),
3209 fae7e038 2022-05-07 stsp *nids * sizeof(**ids));
3211 fae7e038 2022-05-07 stsp case GOT_IMSG_OBJ_ID_LIST_DONE:
3212 fae7e038 2022-05-07 stsp *done = 1;
3215 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
3219 fae7e038 2022-05-07 stsp imsg_free(&imsg);
3221 fae7e038 2022-05-07 stsp return err;
3224 fae7e038 2022-05-07 stsp const struct got_error *
3225 fae7e038 2022-05-07 stsp got_privsep_send_delta_reuse_req(struct imsgbuf *ibuf)
3227 fae7e038 2022-05-07 stsp if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_REQUEST, 0, 0, -1, NULL, 0)
3229 fae7e038 2022-05-07 stsp return got_error_from_errno("imsg_compose DELTA_REUSE_REQUEST");
3231 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
3234 fae7e038 2022-05-07 stsp const struct got_error *
3235 fae7e038 2022-05-07 stsp got_privsep_send_reused_deltas(struct imsgbuf *ibuf,
3236 fae7e038 2022-05-07 stsp struct got_imsg_reused_delta *deltas, size_t ndeltas)
3238 fae7e038 2022-05-07 stsp const struct got_error *err = NULL;
3239 fae7e038 2022-05-07 stsp struct ibuf *wbuf;
3240 fae7e038 2022-05-07 stsp struct got_imsg_reused_deltas ideltas;
3243 031611fc 2022-06-18 op memset(&ideltas, 0, sizeof(ideltas));
3245 fae7e038 2022-05-07 stsp if (ndeltas > GOT_IMSG_REUSED_DELTAS_MAX_NDELTAS)
3246 fae7e038 2022-05-07 stsp return got_error(GOT_ERR_NO_SPACE);
3248 fae7e038 2022-05-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_REUSED_DELTAS, 0, 0,
3249 fae7e038 2022-05-07 stsp sizeof(ideltas) + ndeltas * sizeof(*deltas));
3250 fae7e038 2022-05-07 stsp if (wbuf == NULL) {
3251 fae7e038 2022-05-07 stsp err = got_error_from_errno("imsg_create REUSED_DELTAS");
3252 fae7e038 2022-05-07 stsp return err;
3255 fae7e038 2022-05-07 stsp ideltas.ndeltas = ndeltas;
3256 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &ideltas, sizeof(ideltas)) == -1)
3257 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add REUSED_DELTAS");
3259 fae7e038 2022-05-07 stsp for (i = 0; i < ndeltas; i++) {
3260 fae7e038 2022-05-07 stsp struct got_imsg_reused_delta *delta = &deltas[i];
3261 1453347d 2022-05-19 stsp if (imsg_add(wbuf, delta, sizeof(*delta)) == -1)
3262 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add REUSED_DELTAS");
3265 fae7e038 2022-05-07 stsp wbuf->fd = -1;
3266 fae7e038 2022-05-07 stsp imsg_close(ibuf, wbuf);
3268 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
3271 fae7e038 2022-05-07 stsp const struct got_error *
3272 fae7e038 2022-05-07 stsp got_privsep_send_reused_deltas_done(struct imsgbuf *ibuf)
3274 fae7e038 2022-05-07 stsp if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_DONE, 0, 0, -1, NULL, 0)
3276 fae7e038 2022-05-07 stsp return got_error_from_errno("imsg_compose DELTA_REUSE_DONE");
3278 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
3281 fae7e038 2022-05-07 stsp const struct got_error *
3282 fae7e038 2022-05-07 stsp got_privsep_recv_reused_deltas(int *done, struct got_imsg_reused_delta *deltas,
3283 fae7e038 2022-05-07 stsp size_t *ndeltas, struct imsgbuf *ibuf)
3285 fae7e038 2022-05-07 stsp const struct got_error *err = NULL;
3286 fae7e038 2022-05-07 stsp struct imsg imsg;
3287 fae7e038 2022-05-07 stsp struct got_imsg_reused_deltas *ideltas;
3288 fae7e038 2022-05-07 stsp size_t datalen;
3290 fae7e038 2022-05-07 stsp *done = 0;
3291 fae7e038 2022-05-07 stsp *ndeltas = 0;
3293 fae7e038 2022-05-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3295 fae7e038 2022-05-07 stsp return err;
3297 fae7e038 2022-05-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3298 fae7e038 2022-05-07 stsp switch (imsg.hdr.type) {
3299 fae7e038 2022-05-07 stsp case GOT_IMSG_REUSED_DELTAS:
3300 fae7e038 2022-05-07 stsp if (datalen < sizeof(*ideltas)) {
3301 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
3304 fae7e038 2022-05-07 stsp ideltas = imsg.data;
3305 c98b0f0b 2022-06-14 op if (ideltas->ndeltas > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS ||
3306 c98b0f0b 2022-06-14 op ideltas->ndeltas * sizeof(*deltas) >
3307 c98b0f0b 2022-06-14 op datalen - sizeof(*ideltas)) {
3308 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
3311 fae7e038 2022-05-07 stsp *ndeltas = ideltas->ndeltas;
3312 0fca100c 2022-06-14 op memcpy(deltas, (uint8_t *)imsg.data + sizeof(*ideltas),
3313 fae7e038 2022-05-07 stsp *ndeltas * sizeof(*deltas));
3315 fae7e038 2022-05-07 stsp case GOT_IMSG_DELTA_REUSE_DONE:
3316 fae7e038 2022-05-07 stsp *done = 1;
3319 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
3323 fae7e038 2022-05-07 stsp imsg_free(&imsg);
3325 67fd6849 2022-02-13 stsp return err;
3328 67fd6849 2022-02-13 stsp const struct got_error *
3329 63219cd2 2019-01-04 stsp got_privsep_unveil_exec_helpers(void)
3331 c39c25dd 2019-08-09 stsp const char *helpers[] = {
3332 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_PACK,
3333 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_OBJECT,
3334 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_COMMIT,
3335 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TREE,
3336 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_BLOB,
3337 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TAG,
3338 aba9c984 2019-09-08 stsp GOT_PATH_PROG_READ_GITCONFIG,
3339 257add31 2020-09-09 stsp GOT_PATH_PROG_READ_GOTCONFIG,
3340 e9ce266e 2022-03-07 op GOT_PATH_PROG_READ_PATCH,
3341 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_FETCH_PACK,
3342 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_INDEX_PACK,
3343 f8a36e22 2021-08-26 stsp GOT_PATH_PROG_SEND_PACK,
3347 c39c25dd 2019-08-09 stsp for (i = 0; i < nitems(helpers); i++) {
3348 c39c25dd 2019-08-09 stsp if (unveil(helpers[i], "x") == 0)
3350 c39c25dd 2019-08-09 stsp return got_error_from_errno2("unveil", helpers[i]);
3353 63219cd2 2019-01-04 stsp return NULL;
3357 aba9c984 2019-09-08 stsp got_privsep_exec_child(int imsg_fds[2], const char *path, const char *repo_path)
3359 08578a35 2021-01-22 stsp if (close(imsg_fds[0]) == -1) {
3360 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3364 aba9c984 2019-09-08 stsp if (dup2(imsg_fds[1], GOT_IMSG_FD_CHILD) == -1) {
3365 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3369 4a55b231 2021-12-09 stsp closefrom(GOT_IMSG_FD_CHILD + 1);
3371 aba9c984 2019-09-08 stsp if (execl(path, path, repo_path, (char *)NULL) == -1) {
3372 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s: %s\n", getprogname(), path,
3373 aba9c984 2019-09-08 stsp strerror(errno));
