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 8b925c6c 2022-07-16 thomas #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 588a8092 2023-02-23 thomas #include <imsg.h>
33 81a12da5 2020-09-09 naddy #include <unistd.h>
34 2178c42e 2018-04-22 stsp #include <zlib.h>
36 dd038bc6 2021-09-21 thomas.ad #include "got_compat.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 be288a59 2023-02-23 thomas #include "got_lib_hash.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 232c0ac1 2023-04-22 thomas #include "got_lib_object_qid.h"
49 2178c42e 2018-04-22 stsp #include "got_lib_privsep.h"
50 876c234b 2018-09-10 stsp #include "got_lib_pack.h"
51 3efd8e31 2022-10-23 thomas #include "got_lib_poll.h"
53 ef20f542 2022-06-26 thomas #include "got_privsep.h"
56 2178c42e 2018-04-22 stsp #define MIN(_a,_b) ((_a) < (_b) ? (_a) : (_b))
59 c39c25dd 2019-08-09 stsp #ifndef nitems
60 c39c25dd 2019-08-09 stsp #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
63 2178c42e 2018-04-22 stsp static const struct got_error *
64 e033d803 2018-04-23 stsp read_imsg(struct imsgbuf *ibuf)
66 fe36cf76 2018-04-23 stsp const struct got_error *err;
69 3efd8e31 2022-10-23 thomas err = got_poll_fd(ibuf->fd, POLLIN, INFTIM);
70 3efd8e31 2022-10-23 thomas if (err) {
71 3efd8e31 2022-10-23 thomas if (err->code == GOT_ERR_EOF)
72 3efd8e31 2022-10-23 thomas return got_error(GOT_ERR_PRIVSEP_PIPE);
73 ff470224 2022-05-19 thomas return err;
76 fe36cf76 2018-04-23 stsp n = imsg_read(ibuf);
77 fe36cf76 2018-04-23 stsp if (n == -1) {
78 fe36cf76 2018-04-23 stsp if (errno == EAGAIN) /* Could be a file-descriptor leak. */
79 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_NO_FD);
80 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_READ);
83 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_PIPE);
85 e033d803 2018-04-23 stsp return NULL;
88 ad242220 2018-09-08 stsp const struct got_error *
89 876c234b 2018-09-10 stsp got_privsep_wait_for_child(pid_t pid)
91 876c234b 2018-09-10 stsp int child_status;
93 2cb49fa8 2019-05-10 stsp if (waitpid(pid, &child_status, 0) == -1)
94 638f9024 2019-05-13 stsp return got_error_from_errno("waitpid");
96 876c234b 2018-09-10 stsp if (!WIFEXITED(child_status))
97 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_DIED);
99 876c234b 2018-09-10 stsp if (WEXITSTATUS(child_status) != 0)
100 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_EXIT);
102 876c234b 2018-09-10 stsp return NULL;
105 73b7854a 2018-11-11 stsp static const struct got_error *
106 73b7854a 2018-11-11 stsp recv_imsg_error(struct imsg *imsg, size_t datalen)
108 73b7854a 2018-11-11 stsp struct got_imsg_error *ierr;
110 73b7854a 2018-11-11 stsp if (datalen != sizeof(*ierr))
111 73b7854a 2018-11-11 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
113 73b7854a 2018-11-11 stsp ierr = imsg->data;
114 73b7854a 2018-11-11 stsp if (ierr->code == GOT_ERR_ERRNO) {
115 73b7854a 2018-11-11 stsp static struct got_error serr;
116 73b7854a 2018-11-11 stsp serr.code = GOT_ERR_ERRNO;
117 73b7854a 2018-11-11 stsp serr.msg = strerror(ierr->errno_code);
118 73b7854a 2018-11-11 stsp return &serr;
121 73b7854a 2018-11-11 stsp return got_error(ierr->code);
124 876c234b 2018-09-10 stsp const struct got_error *
125 46de5bfd 2018-11-11 stsp got_privsep_recv_imsg(struct imsg *imsg, struct imsgbuf *ibuf,
126 46de5bfd 2018-11-11 stsp size_t min_datalen)
128 e033d803 2018-04-23 stsp const struct got_error *err;
131 e033d803 2018-04-23 stsp n = imsg_get(ibuf, imsg);
132 876c234b 2018-09-10 stsp if (n == -1)
133 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_get");
135 876c234b 2018-09-10 stsp while (n == 0) {
136 876c234b 2018-09-10 stsp err = read_imsg(ibuf);
138 876c234b 2018-09-10 stsp return err;
139 876c234b 2018-09-10 stsp n = imsg_get(ibuf, imsg);
140 cbfaaf20 2020-01-06 stsp if (n == -1)
141 cbfaaf20 2020-01-06 stsp return got_error_from_errno("imsg_get");
144 fe36cf76 2018-04-23 stsp if (imsg->hdr.len < IMSG_HEADER_SIZE + min_datalen)
145 c4eae628 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
147 73b7854a 2018-11-11 stsp if (imsg->hdr.type == GOT_IMSG_ERROR) {
148 73b7854a 2018-11-11 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
149 73b7854a 2018-11-11 stsp return recv_imsg_error(imsg, datalen);
152 73b7854a 2018-11-11 stsp return NULL;
155 2178c42e 2018-04-22 stsp /* Attempt to send an error in an imsg. Complain on stderr as a last resort. */
157 2178c42e 2018-04-22 stsp got_privsep_send_error(struct imsgbuf *ibuf, const struct got_error *err)
159 2178c42e 2018-04-22 stsp const struct got_error *poll_err;
160 2178c42e 2018-04-22 stsp struct got_imsg_error ierr;
163 2178c42e 2018-04-22 stsp ierr.code = err->code;
164 2178c42e 2018-04-22 stsp if (err->code == GOT_ERR_ERRNO)
165 2178c42e 2018-04-22 stsp ierr.errno_code = errno;
167 2178c42e 2018-04-22 stsp ierr.errno_code = 0;
168 2178c42e 2018-04-22 stsp ret = imsg_compose(ibuf, GOT_IMSG_ERROR, 0, 0, -1, &ierr, sizeof(ierr));
169 e93cd828 2018-11-11 stsp if (ret == -1) {
170 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_compose: %s\n",
171 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
175 3efd8e31 2022-10-23 thomas poll_err = got_poll_fd(ibuf->fd, POLLOUT, INFTIM);
176 5d43e84d 2018-04-23 stsp if (poll_err) {
177 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": poll: %s\n",
178 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, poll_err->msg);
182 2178c42e 2018-04-22 stsp ret = imsg_flush(ibuf);
183 5d43e84d 2018-04-23 stsp if (ret == -1) {
184 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_flush: %s\n",
185 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
186 e2752401 2022-02-16 thomas imsg_clear(ibuf);
191 e033d803 2018-04-23 stsp static const struct got_error *
192 e033d803 2018-04-23 stsp flush_imsg(struct imsgbuf *ibuf)
194 e033d803 2018-04-23 stsp const struct got_error *err;
196 3efd8e31 2022-10-23 thomas err = got_poll_fd(ibuf->fd, POLLOUT, INFTIM);
198 e033d803 2018-04-23 stsp return err;
200 e2752401 2022-02-16 thomas if (imsg_flush(ibuf) == -1) {
201 e2752401 2022-02-16 thomas imsg_clear(ibuf);
202 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_flush");
205 e033d803 2018-04-23 stsp return NULL;
208 ad242220 2018-09-08 stsp const struct got_error *
209 e70bf110 2020-03-22 stsp got_privsep_flush_imsg(struct imsgbuf *ibuf)
211 e70bf110 2020-03-22 stsp return flush_imsg(ibuf);
214 e70bf110 2020-03-22 stsp const struct got_error *
215 ad242220 2018-09-08 stsp got_privsep_send_stop(int fd)
217 ad242220 2018-09-08 stsp struct imsgbuf ibuf;
219 ad242220 2018-09-08 stsp imsg_init(&ibuf, fd);
221 ad242220 2018-09-08 stsp if (imsg_compose(&ibuf, GOT_IMSG_STOP, 0, 0, -1, NULL, 0) == -1)
222 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose STOP");
224 a80c83ad 2023-10-28 thomas return flush_imsg(&ibuf);
227 93658fb9 2020-03-18 stsp const struct got_error *
228 d5c81d44 2021-07-08 stsp got_privsep_send_obj_req(struct imsgbuf *ibuf, int fd,
229 d5c81d44 2021-07-08 stsp struct got_object_id *id)
231 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT_REQUEST, 0, 0, fd,
232 d5c81d44 2021-07-08 stsp id, sizeof(*id)) == -1)
233 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT_REQUEST");
235 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
238 59d1e4a0 2021-03-10 stsp const struct got_error *
239 d5c81d44 2021-07-08 stsp got_privsep_send_raw_obj_req(struct imsgbuf *ibuf, int fd,
240 d5c81d44 2021-07-08 stsp struct got_object_id *id)
242 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_OBJECT_REQUEST, 0, 0, fd,
243 d5c81d44 2021-07-08 stsp id, sizeof(*id)) == -1)
244 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose RAW_OBJECT_REQUEST");
246 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
249 59d1e4a0 2021-03-10 stsp const struct got_error *
250 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj_outfd(struct imsgbuf *ibuf, int outfd)
252 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
254 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_OBJECT_OUTFD, 0, 0, outfd, NULL, 0)
256 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_compose RAW_OBJECT_OUTFD");
257 59d1e4a0 2021-03-10 stsp close(outfd);
258 59d1e4a0 2021-03-10 stsp return err;
261 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
264 59d1e4a0 2021-03-10 stsp const struct got_error *
265 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj(struct imsgbuf *ibuf, off_t size, size_t hdrlen,
266 59d1e4a0 2021-03-10 stsp uint8_t *data)
268 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj iobj;
269 59d1e4a0 2021-03-10 stsp size_t len = sizeof(iobj);
270 59d1e4a0 2021-03-10 stsp struct ibuf *wbuf;
272 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
273 59d1e4a0 2021-03-10 stsp iobj.hdrlen = hdrlen;
274 59d1e4a0 2021-03-10 stsp iobj.size = size;
276 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX)
277 a8591711 2021-06-18 stsp len += (size_t)size + hdrlen;
279 59d1e4a0 2021-03-10 stsp wbuf = imsg_create(ibuf, GOT_IMSG_RAW_OBJECT, 0, 0, len);
280 a80c83ad 2023-10-28 thomas if (wbuf == NULL)
281 a80c83ad 2023-10-28 thomas return got_error_from_errno("imsg_create RAW_OBJECT");
283 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &iobj, sizeof(iobj)) == -1)
284 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add RAW_OBJECT");
286 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
287 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, data, size + hdrlen) == -1)
288 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add RAW_OBJECT");
291 59d1e4a0 2021-03-10 stsp wbuf->fd = -1;
292 59d1e4a0 2021-03-10 stsp imsg_close(ibuf, wbuf);
294 1785f84a 2018-12-23 stsp return flush_imsg(ibuf);
297 1785f84a 2018-12-23 stsp const struct got_error *
298 59d1e4a0 2021-03-10 stsp got_privsep_recv_raw_obj(uint8_t **outbuf, off_t *size, size_t *hdrlen,
299 59d1e4a0 2021-03-10 stsp struct imsgbuf *ibuf)
301 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
302 59d1e4a0 2021-03-10 stsp struct imsg imsg;
303 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj *iobj;
304 59d1e4a0 2021-03-10 stsp size_t datalen;
306 59d1e4a0 2021-03-10 stsp *outbuf = NULL;
308 59d1e4a0 2021-03-10 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
310 59d1e4a0 2021-03-10 stsp return err;
312 59d1e4a0 2021-03-10 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
314 59d1e4a0 2021-03-10 stsp switch (imsg.hdr.type) {
315 59d1e4a0 2021-03-10 stsp case GOT_IMSG_RAW_OBJECT:
316 59d1e4a0 2021-03-10 stsp if (datalen < sizeof(*iobj)) {
317 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
320 59d1e4a0 2021-03-10 stsp iobj = imsg.data;
321 59d1e4a0 2021-03-10 stsp *size = iobj->size;
322 59d1e4a0 2021-03-10 stsp *hdrlen = iobj->hdrlen;
324 59d1e4a0 2021-03-10 stsp if (datalen == sizeof(*iobj)) {
325 59d1e4a0 2021-03-10 stsp /* Data has been written to file descriptor. */
329 31d32634 2022-06-23 thomas if (*size < 0 ||
330 31d32634 2022-06-23 thomas *size + *hdrlen > GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
331 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
335 a8591711 2021-06-18 stsp *outbuf = malloc(*size + *hdrlen);
336 59d1e4a0 2021-03-10 stsp if (*outbuf == NULL) {
337 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("malloc");
340 a8591711 2021-06-18 stsp memcpy(*outbuf, imsg.data + sizeof(*iobj), *size + *hdrlen);
343 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
347 59d1e4a0 2021-03-10 stsp imsg_free(&imsg);
349 59d1e4a0 2021-03-10 stsp return err;
352 59d1e4a0 2021-03-10 stsp const struct got_error *
353 1785f84a 2018-12-23 stsp got_privsep_send_commit_req(struct imsgbuf *ibuf, int fd,
354 1785f84a 2018-12-23 stsp struct got_object_id *id, int pack_idx)
356 41496140 2019-02-21 stsp const struct got_error *err = NULL;
357 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
358 d5c81d44 2021-07-08 stsp void *data;
359 1785f84a 2018-12-23 stsp size_t len;
361 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
362 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* commit is packed */
363 1785f84a 2018-12-23 stsp iobj.idx = pack_idx;
364 b6f67730 2023-02-03 thomas memcpy(&iobj.id, id, sizeof(iobj.id));
365 d5c81d44 2021-07-08 stsp data = &iobj;
366 1785f84a 2018-12-23 stsp len = sizeof(iobj);
369 d5c81d44 2021-07-08 stsp len = sizeof(*id);
372 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_REQUEST, 0, 0, fd, data, len)
374 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT_REQUEST");
376 41496140 2019-02-21 stsp return err;
379 13c729f7 2018-12-24 stsp return flush_imsg(ibuf);
382 13c729f7 2018-12-24 stsp const struct got_error *
383 13c729f7 2018-12-24 stsp got_privsep_send_tree_req(struct imsgbuf *ibuf, int fd,
384 13c729f7 2018-12-24 stsp struct got_object_id *id, int pack_idx)
386 7f358e3b 2019-11-23 stsp struct ibuf *wbuf;
387 d5c81d44 2021-07-08 stsp size_t len;
389 d5c81d44 2021-07-08 stsp if (pack_idx != -1)
390 d5c81d44 2021-07-08 stsp len = sizeof(struct got_imsg_packed_object);
392 d5c81d44 2021-07-08 stsp len = sizeof(*id);
394 7f358e3b 2019-11-23 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_REQUEST, 0, 0, len);
395 7f358e3b 2019-11-23 stsp if (wbuf == NULL)
396 7f358e3b 2019-11-23 stsp return got_error_from_errno("imsg_create TREE_REQUEST");
398 fc842fc8 2023-02-03 thomas if (imsg_add(wbuf, id, sizeof(*id)) == -1)
399 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_REQUEST");
401 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tree is packed */
402 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &pack_idx, sizeof(pack_idx)) == -1)
403 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_REQUEST");
406 7f358e3b 2019-11-23 stsp wbuf->fd = fd;
407 7f358e3b 2019-11-23 stsp imsg_close(ibuf, wbuf);
409 268f7291 2018-12-24 stsp return flush_imsg(ibuf);
412 268f7291 2018-12-24 stsp const struct got_error *
413 268f7291 2018-12-24 stsp got_privsep_send_tag_req(struct imsgbuf *ibuf, int fd,
414 268f7291 2018-12-24 stsp struct got_object_id *id, int pack_idx)
416 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
417 d5c81d44 2021-07-08 stsp void *data;
418 268f7291 2018-12-24 stsp size_t len;
420 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
421 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tag is packed */
422 268f7291 2018-12-24 stsp iobj.idx = pack_idx;
423 b6f67730 2023-02-03 thomas memcpy(&iobj.id, id, sizeof(iobj.id));
424 d5c81d44 2021-07-08 stsp data = &iobj;
425 268f7291 2018-12-24 stsp len = sizeof(iobj);
428 d5c81d44 2021-07-08 stsp len = sizeof(*id);
431 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_REQUEST, 0, 0, fd, data, len)
433 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose TAG_REQUEST");
435 7762fe12 2018-11-05 stsp return flush_imsg(ibuf);
438 7762fe12 2018-11-05 stsp const struct got_error *
439 ebc55e2d 2018-12-24 stsp got_privsep_send_blob_req(struct imsgbuf *ibuf, int infd,
440 ebc55e2d 2018-12-24 stsp struct got_object_id *id, int pack_idx)
442 41496140 2019-02-21 stsp const struct got_error *err = NULL;
443 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
444 d5c81d44 2021-07-08 stsp void *data;
445 ebc55e2d 2018-12-24 stsp size_t len;
447 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
448 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* blob is packed */
449 ebc55e2d 2018-12-24 stsp iobj.idx = pack_idx;
450 b6f67730 2023-02-03 thomas memcpy(&iobj.id, id, sizeof(iobj.id));
451 d5c81d44 2021-07-08 stsp data = &iobj;
452 ebc55e2d 2018-12-24 stsp len = sizeof(iobj);
455 d5c81d44 2021-07-08 stsp len = sizeof(*id);
458 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_REQUEST, 0, 0, infd, data, len)
460 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_REQUEST");
461 41496140 2019-02-21 stsp close(infd);
462 41496140 2019-02-21 stsp return err;
465 55da3778 2018-09-10 stsp return flush_imsg(ibuf);
468 55da3778 2018-09-10 stsp const struct got_error *
469 55da3778 2018-09-10 stsp got_privsep_send_blob_outfd(struct imsgbuf *ibuf, int outfd)
471 41496140 2019-02-21 stsp const struct got_error *err = NULL;
473 ad242220 2018-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_OUTFD, 0, 0, outfd, NULL, 0)
475 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_OUTFD");
476 41496140 2019-02-21 stsp close(outfd);
477 41496140 2019-02-21 stsp return err;
480 3840f4c9 2018-09-12 stsp return flush_imsg(ibuf);
483 73ab1060 2020-03-18 stsp static const struct got_error *
484 73ab1060 2020-03-18 stsp send_fd(struct imsgbuf *ibuf, int imsg_code, int fd)
486 41496140 2019-02-21 stsp const struct got_error *err = NULL;
488 73ab1060 2020-03-18 stsp if (imsg_compose(ibuf, imsg_code, 0, 0, fd, NULL, 0) == -1) {
489 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TMPFD");
491 41496140 2019-02-21 stsp return err;
494 ad242220 2018-09-08 stsp return flush_imsg(ibuf);
497 ad242220 2018-09-08 stsp const struct got_error *
498 73ab1060 2020-03-18 stsp got_privsep_send_tmpfd(struct imsgbuf *ibuf, int fd)
500 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_TMPFD, fd);
503 73ab1060 2020-03-18 stsp const struct got_error *
504 876c234b 2018-09-10 stsp got_privsep_send_obj(struct imsgbuf *ibuf, struct got_object *obj)
506 2178c42e 2018-04-22 stsp struct got_imsg_object iobj;
508 1bb2bba2 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
510 fc842fc8 2023-02-03 thomas memcpy(&iobj.id, &obj->id, sizeof(iobj.id));
511 2178c42e 2018-04-22 stsp iobj.type = obj->type;
512 2178c42e 2018-04-22 stsp iobj.flags = obj->flags;
513 2178c42e 2018-04-22 stsp iobj.hdrlen = obj->hdrlen;
514 2178c42e 2018-04-22 stsp iobj.size = obj->size;
515 c59b3346 2018-09-11 stsp if (iobj.flags & GOT_OBJ_FLAG_PACKED) {
516 876c234b 2018-09-10 stsp iobj.pack_offset = obj->pack_offset;
517 c59b3346 2018-09-11 stsp iobj.pack_idx = obj->pack_idx;
520 2178c42e 2018-04-22 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT, 0, 0, -1, &iobj, sizeof(iobj))
522 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT");
524 c59b3346 2018-09-11 stsp return flush_imsg(ibuf);
527 cfd633c2 2018-09-10 stsp const struct got_error *
528 33501562 2020-03-18 stsp got_privsep_send_fetch_req(struct imsgbuf *ibuf, int fd,
529 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs, int fetch_all_branches,
530 abc59930 2021-09-05 naddy struct got_pathlist_head *wanted_branches,
531 9d0a7ee3 2023-02-07 thomas struct got_pathlist_head *wanted_refs, int list_refs_only,
532 7abf1863 2023-02-20 thomas const char *worktree_branch, const char *remote_head,
533 7abf1863 2023-02-20 thomas int no_head, int verbosity)
535 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
536 33501562 2020-03-18 stsp struct ibuf *wbuf;
537 33501562 2020-03-18 stsp struct got_pathlist_entry *pe;
538 4ba14133 2020-03-20 stsp struct got_imsg_fetch_request fetchreq;
539 7abf1863 2023-02-20 thomas size_t remote_head_len, worktree_branch_len, len = sizeof(fetchreq);
541 84073f62 2023-02-07 thomas if (worktree_branch) {
542 84073f62 2023-02-07 thomas worktree_branch_len = strlen(worktree_branch);
543 7abf1863 2023-02-20 thomas len += worktree_branch_len;
545 7abf1863 2023-02-20 thomas if (remote_head) {
546 7abf1863 2023-02-20 thomas remote_head_len = strlen(remote_head);
547 7abf1863 2023-02-20 thomas len += remote_head_len;
550 9d0a7ee3 2023-02-07 thomas if (len >= MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
551 9d0a7ee3 2023-02-07 thomas close(fd);
552 9d0a7ee3 2023-02-07 thomas return got_error(GOT_ERR_NO_SPACE);
555 9d0a7ee3 2023-02-07 thomas wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_REQUEST, 0, 0, len);
556 9d0a7ee3 2023-02-07 thomas if (wbuf == NULL)
557 9d0a7ee3 2023-02-07 thomas return got_error_from_errno("imsg_create FETCH_HAVE_REF");
559 4ba14133 2020-03-20 stsp memset(&fetchreq, 0, sizeof(fetchreq));
560 e0380e3d 2023-02-17 thomas fetchreq.no_head = no_head;
561 4ba14133 2020-03-20 stsp fetchreq.fetch_all_branches = fetch_all_branches;
562 41b0de12 2020-03-21 stsp fetchreq.list_refs_only = list_refs_only;
563 2690194b 2020-03-21 stsp fetchreq.verbosity = verbosity;
564 9d0a7ee3 2023-02-07 thomas if (worktree_branch != NULL)
565 84073f62 2023-02-07 thomas fetchreq.worktree_branch_len = worktree_branch_len;
566 7abf1863 2023-02-20 thomas if (remote_head != NULL)
567 7abf1863 2023-02-20 thomas fetchreq.remote_head_len = remote_head_len;
568 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, have_refs, entry)
569 4ba14133 2020-03-20 stsp fetchreq.n_have_refs++;
570 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry)
571 4ba14133 2020-03-20 stsp fetchreq.n_wanted_branches++;
572 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry)
573 0e4002ca 2020-03-21 stsp fetchreq.n_wanted_refs++;
574 9d0a7ee3 2023-02-07 thomas if (imsg_add(wbuf, &fetchreq, sizeof(fetchreq)) == -1)
575 9d0a7ee3 2023-02-07 thomas return got_error_from_errno("imsg_add FETCH_REQUEST");
576 9d0a7ee3 2023-02-07 thomas if (worktree_branch) {
577 84073f62 2023-02-07 thomas if (imsg_add(wbuf, worktree_branch, worktree_branch_len) == -1)
578 9d0a7ee3 2023-02-07 thomas return got_error_from_errno("imsg_add FETCH_REQUEST");
580 7abf1863 2023-02-20 thomas if (remote_head) {
581 7abf1863 2023-02-20 thomas if (imsg_add(wbuf, remote_head, remote_head_len) == -1)
582 7abf1863 2023-02-20 thomas return got_error_from_errno("imsg_add FETCH_REQUEST");
584 9d0a7ee3 2023-02-07 thomas wbuf->fd = fd;
585 9d0a7ee3 2023-02-07 thomas imsg_close(ibuf, wbuf);
587 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
590 659e7fbd 2020-03-20 stsp return err;
594 33501562 2020-03-18 stsp TAILQ_FOREACH(pe, have_refs, entry) {
595 33501562 2020-03-18 stsp const char *name = pe->path;
596 33501562 2020-03-18 stsp size_t name_len = pe->path_len;
597 33501562 2020-03-18 stsp struct got_object_id *id = pe->data;
599 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_have_ref) + name_len;
600 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_HAVE_REF, 0, 0, len);
601 4ba14133 2020-03-20 stsp if (wbuf == NULL)
602 4ba14133 2020-03-20 stsp return got_error_from_errno("imsg_create FETCH_HAVE_REF");
604 33501562 2020-03-18 stsp /* Keep in sync with struct got_imsg_fetch_have_ref! */
605 f9f54468 2023-02-03 thomas if (imsg_add(wbuf, id, sizeof(*id)) == -1)
606 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add FETCH_HAVE_REF");
607 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
608 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add FETCH_HAVE_REF");
609 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
610 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add FETCH_HAVE_REF");
612 4ba14133 2020-03-20 stsp wbuf->fd = -1;
613 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
614 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
616 4ba14133 2020-03-20 stsp return err;
619 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry) {
620 4ba14133 2020-03-20 stsp const char *name = pe->path;
621 4ba14133 2020-03-20 stsp size_t name_len = pe->path_len;
623 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_wanted_branch) + name_len;
624 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_BRANCH, 0, 0,
626 4ba14133 2020-03-20 stsp if (wbuf == NULL)
627 4ba14133 2020-03-20 stsp return got_error_from_errno(
628 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_BRANCH");
630 4ba14133 2020-03-20 stsp /* Keep in sync with struct got_imsg_fetch_wanted_branch! */
631 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
632 e9f1a409 2022-05-19 thomas return got_error_from_errno(
633 4ba14133 2020-03-20 stsp "imsg_add FETCH_WANTED_BRANCH");
634 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
635 e9f1a409 2022-05-19 thomas return got_error_from_errno(
636 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_BRANCH");
638 4ba14133 2020-03-20 stsp wbuf->fd = -1;
639 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
640 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
642 4ba14133 2020-03-20 stsp return err;
645 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry) {
646 0e4002ca 2020-03-21 stsp const char *name = pe->path;
647 0e4002ca 2020-03-21 stsp size_t name_len = pe->path_len;
649 0e4002ca 2020-03-21 stsp len = sizeof(struct got_imsg_fetch_wanted_ref) + name_len;
650 0e4002ca 2020-03-21 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_REF, 0, 0,
652 0e4002ca 2020-03-21 stsp if (wbuf == NULL)
653 0e4002ca 2020-03-21 stsp return got_error_from_errno(
654 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_REF");
656 0e4002ca 2020-03-21 stsp /* Keep in sync with struct got_imsg_fetch_wanted_ref! */
657 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
658 e9f1a409 2022-05-19 thomas return got_error_from_errno(
659 0e4002ca 2020-03-21 stsp "imsg_add FETCH_WANTED_REF");
660 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
661 e9f1a409 2022-05-19 thomas return got_error_from_errno(
662 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_REF");
664 0e4002ca 2020-03-21 stsp wbuf->fd = -1;
665 0e4002ca 2020-03-21 stsp imsg_close(ibuf, wbuf);
666 0e4002ca 2020-03-21 stsp err = flush_imsg(ibuf);
668 0e4002ca 2020-03-21 stsp return err;
672 4ba14133 2020-03-20 stsp return NULL;
676 93658fb9 2020-03-18 stsp const struct got_error *
677 f826addf 2020-03-18 stsp got_privsep_send_fetch_outfd(struct imsgbuf *ibuf, int fd)
679 f826addf 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_FETCH_OUTFD, fd);
682 531c3985 2020-03-18 stsp const struct got_error *
683 8f2d01a6 2020-03-18 stsp got_privsep_recv_fetch_progress(int *done, struct got_object_id **id,
684 531c3985 2020-03-18 stsp char **refname, struct got_pathlist_head *symrefs, char **server_progress,
685 1d72a2a0 2020-03-24 stsp off_t *packfile_size, uint8_t *pack_sha1, struct imsgbuf *ibuf)
687 b9f99abf 2020-03-18 stsp const struct got_error *err = NULL;
688 b9f99abf 2020-03-18 stsp struct imsg imsg;
689 b9f99abf 2020-03-18 stsp size_t datalen;
690 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symrefs *isymrefs = NULL;
691 abe0f35f 2020-03-18 stsp size_t n, remain;
696 8f2d01a6 2020-03-18 stsp *id = NULL;
697 b9f99abf 2020-03-18 stsp *refname = NULL;
698 531c3985 2020-03-18 stsp *server_progress = NULL;
699 5a489642 2020-03-19 stsp *packfile_size = 0;
700 1d72a2a0 2020-03-24 stsp memset(pack_sha1, 0, SHA1_DIGEST_LENGTH);
702 531c3985 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
704 b9f99abf 2020-03-18 stsp return err;
706 b9f99abf 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
707 b9f99abf 2020-03-18 stsp switch (imsg.hdr.type) {
708 abe0f35f 2020-03-18 stsp case GOT_IMSG_FETCH_SYMREFS:
709 abe0f35f 2020-03-18 stsp if (datalen < sizeof(*isymrefs)) {
710 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
713 abe0f35f 2020-03-18 stsp if (isymrefs != NULL) {
714 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
717 abe0f35f 2020-03-18 stsp isymrefs = (struct got_imsg_fetch_symrefs *)imsg.data;
718 abe0f35f 2020-03-18 stsp off = sizeof(*isymrefs);
719 abe0f35f 2020-03-18 stsp remain = datalen - off;
720 abe0f35f 2020-03-18 stsp for (n = 0; n < isymrefs->nsymrefs; n++) {
721 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symref *s;
722 abe0f35f 2020-03-18 stsp char *name, *target;
723 abe0f35f 2020-03-18 stsp if (remain < sizeof(struct got_imsg_fetch_symref)) {
724 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
727 abe0f35f 2020-03-18 stsp s = (struct got_imsg_fetch_symref *)(imsg.data + off);
728 abe0f35f 2020-03-18 stsp off += sizeof(*s);
729 abe0f35f 2020-03-18 stsp remain -= sizeof(*s);
730 abe0f35f 2020-03-18 stsp if (remain < s->name_len) {
731 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
734 abe0f35f 2020-03-18 stsp name = strndup(imsg.data + off, s->name_len);
735 abe0f35f 2020-03-18 stsp if (name == NULL) {
736 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
739 abe0f35f 2020-03-18 stsp off += s->name_len;
740 abe0f35f 2020-03-18 stsp remain -= s->name_len;
741 abe0f35f 2020-03-18 stsp if (remain < s->target_len) {
742 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
743 abe0f35f 2020-03-18 stsp free(name);
746 abe0f35f 2020-03-18 stsp target = strndup(imsg.data + off, s->target_len);
747 abe0f35f 2020-03-18 stsp if (target == NULL) {
748 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
749 abe0f35f 2020-03-18 stsp free(name);
752 abe0f35f 2020-03-18 stsp off += s->target_len;
753 abe0f35f 2020-03-18 stsp remain -= s->target_len;
754 abe0f35f 2020-03-18 stsp err = got_pathlist_append(symrefs, name, target);
756 abe0f35f 2020-03-18 stsp free(name);
757 abe0f35f 2020-03-18 stsp free(target);
762 ea7396b9 2020-03-18 stsp case GOT_IMSG_FETCH_REF:
763 9228a15c 2023-02-03 thomas if (datalen <= sizeof(**id)) {
764 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
767 8f2d01a6 2020-03-18 stsp *id = malloc(sizeof(**id));
768 8f2d01a6 2020-03-18 stsp if (*id == NULL) {
769 b9f99abf 2020-03-18 stsp err = got_error_from_errno("malloc");
772 9228a15c 2023-02-03 thomas memcpy(*id, imsg.data, sizeof(**id));
773 9228a15c 2023-02-03 thomas *refname = strndup(imsg.data + sizeof(**id),
774 9228a15c 2023-02-03 thomas datalen - sizeof(**id));
775 b9f99abf 2020-03-18 stsp if (*refname == NULL) {
776 b9f99abf 2020-03-18 stsp err = got_error_from_errno("strndup");
780 531c3985 2020-03-18 stsp case GOT_IMSG_FETCH_SERVER_PROGRESS:
781 531c3985 2020-03-18 stsp if (datalen == 0) {
782 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
785 531c3985 2020-03-18 stsp *server_progress = strndup(imsg.data, datalen);
786 531c3985 2020-03-18 stsp if (*server_progress == NULL) {
787 531c3985 2020-03-18 stsp err = got_error_from_errno("strndup");
790 531c3985 2020-03-18 stsp for (i = 0; i < datalen; i++) {
791 531c3985 2020-03-18 stsp if (!isprint((unsigned char)(*server_progress)[i]) &&
792 531c3985 2020-03-18 stsp !isspace((unsigned char)(*server_progress)[i])) {
793 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
794 531c3985 2020-03-18 stsp free(*server_progress);
795 531c3985 2020-03-18 stsp *server_progress = NULL;
800 d2cdc636 2020-03-18 stsp case GOT_IMSG_FETCH_DOWNLOAD_PROGRESS:
801 d2cdc636 2020-03-18 stsp if (datalen < sizeof(*packfile_size)) {
802 d2cdc636 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
805 d2cdc636 2020-03-18 stsp memcpy(packfile_size, imsg.data, sizeof(*packfile_size));
807 8f2d01a6 2020-03-18 stsp case GOT_IMSG_FETCH_DONE:
808 8f2d01a6 2020-03-18 stsp if (datalen != SHA1_DIGEST_LENGTH) {
809 8f2d01a6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
812 1d72a2a0 2020-03-24 stsp memcpy(pack_sha1, imsg.data, SHA1_DIGEST_LENGTH);
816 b887aab6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
822 8f2d01a6 2020-03-18 stsp *id = NULL;
823 b887aab6 2020-03-18 stsp free(*refname);
824 b887aab6 2020-03-18 stsp *refname = NULL;
826 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
827 f8a36e22 2021-08-26 stsp return err;
830 f8a36e22 2021-08-26 stsp static const struct got_error *
831 f8a36e22 2021-08-26 stsp send_send_ref(const char *name, size_t name_len, struct got_object_id *id,
832 f8a36e22 2021-08-26 stsp int delete, struct imsgbuf *ibuf)
834 f8a36e22 2021-08-26 stsp size_t len;
835 f8a36e22 2021-08-26 stsp struct ibuf *wbuf;
837 f8a36e22 2021-08-26 stsp len = sizeof(struct got_imsg_send_ref) + name_len;
838 f8a36e22 2021-08-26 stsp wbuf = imsg_create(ibuf, GOT_IMSG_SEND_REF, 0, 0, len);
839 f8a36e22 2021-08-26 stsp if (wbuf == NULL)
840 f8a36e22 2021-08-26 stsp return got_error_from_errno("imsg_create SEND_REF");
842 f8a36e22 2021-08-26 stsp /* Keep in sync with struct got_imsg_send_ref! */
843 ea58e974 2023-02-03 thomas if (imsg_add(wbuf, id, sizeof(*id)) == -1)
844 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
845 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &delete, sizeof(delete)) == -1)
846 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
847 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
848 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
849 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
850 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
852 f8a36e22 2021-08-26 stsp wbuf->fd = -1;
853 f8a36e22 2021-08-26 stsp imsg_close(ibuf, wbuf);
854 f8a36e22 2021-08-26 stsp return flush_imsg(ibuf);
857 f8a36e22 2021-08-26 stsp const struct got_error *
858 f8a36e22 2021-08-26 stsp got_privsep_send_send_req(struct imsgbuf *ibuf, int fd,
859 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs,
860 abc59930 2021-09-05 naddy struct got_pathlist_head *delete_refs,
861 abc59930 2021-09-05 naddy int verbosity)
863 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
864 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *pe;
865 f8a36e22 2021-08-26 stsp struct got_imsg_send_request sendreq;
866 f8a36e22 2021-08-26 stsp struct got_object_id zero_id;
868 f8a36e22 2021-08-26 stsp memset(&zero_id, 0, sizeof(zero_id));
869 f8a36e22 2021-08-26 stsp memset(&sendreq, 0, sizeof(sendreq));
870 f8a36e22 2021-08-26 stsp sendreq.verbosity = verbosity;
871 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry)
872 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
873 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry)
874 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
875 f8a36e22 2021-08-26 stsp if (imsg_compose(ibuf, GOT_IMSG_SEND_REQUEST, 0, 0, fd,
876 f8a36e22 2021-08-26 stsp &sendreq, sizeof(sendreq)) == -1) {
877 f8a36e22 2021-08-26 stsp err = got_error_from_errno(
878 f8a36e22 2021-08-26 stsp "imsg_compose FETCH_SERVER_PROGRESS");
882 f8a36e22 2021-08-26 stsp err = flush_imsg(ibuf);
887 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry) {
888 f8a36e22 2021-08-26 stsp const char *name = pe->path;
889 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
890 f8a36e22 2021-08-26 stsp struct got_object_id *id = pe->data;
891 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, id, 0, ibuf);
896 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry) {
897 f8a36e22 2021-08-26 stsp const char *name = pe->path;
898 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
899 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, &zero_id, 1, ibuf);
904 f8a36e22 2021-08-26 stsp if (fd != -1 && close(fd) == -1 && err == NULL)
905 f8a36e22 2021-08-26 stsp err = got_error_from_errno("close");
906 f8a36e22 2021-08-26 stsp return err;
910 f8a36e22 2021-08-26 stsp const struct got_error *
911 f8a36e22 2021-08-26 stsp got_privsep_recv_send_remote_refs(struct got_pathlist_head *remote_refs,
912 f8a36e22 2021-08-26 stsp struct imsgbuf *ibuf)
914 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
915 f8a36e22 2021-08-26 stsp struct imsg imsg;
916 f8a36e22 2021-08-26 stsp size_t datalen;
917 f8a36e22 2021-08-26 stsp int done = 0;
918 f8a36e22 2021-08-26 stsp struct got_imsg_send_remote_ref iremote_ref;
919 f8a36e22 2021-08-26 stsp struct got_object_id *id = NULL;
920 f8a36e22 2021-08-26 stsp char *refname = NULL;
921 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *new;
923 f8a36e22 2021-08-26 stsp while (!done) {
924 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
926 f8a36e22 2021-08-26 stsp return err;
927 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
928 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
929 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REMOTE_REF:
930 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iremote_ref)) {
931 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
934 f8a36e22 2021-08-26 stsp memcpy(&iremote_ref, imsg.data, sizeof(iremote_ref));
935 f8a36e22 2021-08-26 stsp if (datalen != sizeof(iremote_ref) +
936 f8a36e22 2021-08-26 stsp iremote_ref.name_len) {
937 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
940 f8a36e22 2021-08-26 stsp id = malloc(sizeof(*id));
941 f8a36e22 2021-08-26 stsp if (id == NULL) {
942 f8a36e22 2021-08-26 stsp err = got_error_from_errno("malloc");
945 0f23036a 2023-02-03 thomas memcpy(id, &iremote_ref.id, sizeof(*id));
946 f8a36e22 2021-08-26 stsp refname = strndup(imsg.data + sizeof(iremote_ref),
947 f8a36e22 2021-08-26 stsp datalen - sizeof(iremote_ref));
948 f8a36e22 2021-08-26 stsp if (refname == NULL) {
949 f8a36e22 2021-08-26 stsp err = got_error_from_errno("strndup");
952 f8a36e22 2021-08-26 stsp err = got_pathlist_insert(&new, remote_refs,
953 f8a36e22 2021-08-26 stsp refname, id);
956 f8a36e22 2021-08-26 stsp if (new == NULL) { /* duplicate which wasn't inserted */
958 f8a36e22 2021-08-26 stsp free(refname);
961 f8a36e22 2021-08-26 stsp refname = NULL;
963 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_PACK_REQUEST:
964 f8a36e22 2021-08-26 stsp if (datalen != 0) {
965 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
968 f8a36e22 2021-08-26 stsp /* got-send-pack is now waiting for a pack file. */
972 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
978 f8a36e22 2021-08-26 stsp free(refname);
979 b9f99abf 2020-03-18 stsp imsg_free(&imsg);
980 b9f99abf 2020-03-18 stsp return err;
983 93658fb9 2020-03-18 stsp const struct got_error *
984 f8a36e22 2021-08-26 stsp got_privsep_send_packfd(struct imsgbuf *ibuf, int fd)
986 f8a36e22 2021-08-26 stsp return send_fd(ibuf, GOT_IMSG_SEND_PACKFD, fd);
989 f8a36e22 2021-08-26 stsp const struct got_error *
990 f8a36e22 2021-08-26 stsp got_privsep_recv_send_progress(int *done, off_t *bytes_sent,
991 3fe5d0fe 2022-11-17 thomas int *success, char **refname, char **errmsg, struct imsgbuf *ibuf)
993 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
994 f8a36e22 2021-08-26 stsp struct imsg imsg;
995 f8a36e22 2021-08-26 stsp size_t datalen;
996 f8a36e22 2021-08-26 stsp struct got_imsg_send_ref_status iref_status;
998 f8a36e22 2021-08-26 stsp /* Do not reset the current value of 'bytes_sent', it accumulates. */
1000 f8a36e22 2021-08-26 stsp *success = 0;
1001 f8a36e22 2021-08-26 stsp *refname = NULL;
1002 3fe5d0fe 2022-11-17 thomas *errmsg = NULL;
1004 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1006 f8a36e22 2021-08-26 stsp return err;
1008 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1009 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
1010 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_UPLOAD_PROGRESS:
1011 f8a36e22 2021-08-26 stsp if (datalen < sizeof(*bytes_sent)) {
1012 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1015 f8a36e22 2021-08-26 stsp memcpy(bytes_sent, imsg.data, sizeof(*bytes_sent));
1017 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REF_STATUS:
1018 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iref_status)) {
1019 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1022 f8a36e22 2021-08-26 stsp memcpy(&iref_status, imsg.data, sizeof(iref_status));
1023 3fe5d0fe 2022-11-17 thomas if (datalen != sizeof(iref_status) + iref_status.name_len +
1024 3fe5d0fe 2022-11-17 thomas iref_status.errmsg_len) {
1025 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1028 f8a36e22 2021-08-26 stsp *success = iref_status.success;
1029 f8a36e22 2021-08-26 stsp *refname = strndup(imsg.data + sizeof(iref_status),
1030 f8a36e22 2021-08-26 stsp iref_status.name_len);
1032 3fe5d0fe 2022-11-17 thomas if (iref_status.errmsg_len != 0)
1033 3fe5d0fe 2022-11-17 thomas *errmsg = strndup(imsg.data + sizeof(iref_status) +
1034 3fe5d0fe 2022-11-17 thomas iref_status.name_len, iref_status.errmsg_len);
1036 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_DONE:
1037 f8a36e22 2021-08-26 stsp if (datalen != 0) {
1038 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1041 f8a36e22 2021-08-26 stsp *done = 1;
1044 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1048 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
1049 f8a36e22 2021-08-26 stsp return err;
1052 f8a36e22 2021-08-26 stsp const struct got_error *
1053 fd251256 2020-03-24 stsp got_privsep_send_index_pack_req(struct imsgbuf *ibuf, uint8_t *pack_sha1,
1056 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1058 668a20f6 2020-03-18 stsp /* Keep in sync with struct got_imsg_index_pack_request */
1059 93658fb9 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_IDXPACK_REQUEST, 0, 0, fd,
1060 fd251256 2020-03-24 stsp pack_sha1, SHA1_DIGEST_LENGTH) == -1) {
1061 93658fb9 2020-03-18 stsp err = got_error_from_errno("imsg_compose INDEX_REQUEST");
1062 93658fb9 2020-03-18 stsp close(fd);
1063 93658fb9 2020-03-18 stsp return err;
1065 baa9fea0 2020-03-18 stsp return flush_imsg(ibuf);
1068 baa9fea0 2020-03-18 stsp const struct got_error *
1069 73ab1060 2020-03-18 stsp got_privsep_send_index_pack_outfd(struct imsgbuf *ibuf, int fd)
1071 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_IDXPACK_OUTFD, fd);
1074 73ab1060 2020-03-18 stsp const struct got_error *
1075 668a20f6 2020-03-18 stsp got_privsep_recv_index_progress(int *done, int *nobj_total,
1076 668a20f6 2020-03-18 stsp int *nobj_indexed, int *nobj_loose, int *nobj_resolved,
1077 668a20f6 2020-03-18 stsp struct imsgbuf *ibuf)
1079 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1080 93658fb9 2020-03-18 stsp struct imsg imsg;
1081 baa9fea0 2020-03-18 stsp struct got_imsg_index_pack_progress *iprogress;
1082 baa9fea0 2020-03-18 stsp size_t datalen;
1084 baa9fea0 2020-03-18 stsp *done = 0;
1085 668a20f6 2020-03-18 stsp *nobj_total = 0;
1086 668a20f6 2020-03-18 stsp *nobj_indexed = 0;
1087 668a20f6 2020-03-18 stsp *nobj_resolved = 0;
1089 93658fb9 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1091 93658fb9 2020-03-18 stsp return err;
1093 baa9fea0 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1094 baa9fea0 2020-03-18 stsp switch (imsg.hdr.type) {
1095 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_PROGRESS:
1096 baa9fea0 2020-03-18 stsp if (datalen < sizeof(*iprogress)) {
1097 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1100 baa9fea0 2020-03-18 stsp iprogress = (struct got_imsg_index_pack_progress *)imsg.data;
1101 31d32634 2022-06-23 thomas if (iprogress->nobj_total < 0 || iprogress->nobj_indexed < 0 ||
1102 31d32634 2022-06-23 thomas iprogress->nobj_loose < 0 || iprogress->nobj_resolved < 0) {
1103 31d32634 2022-06-23 thomas err = got_error(GOT_ERR_RANGE);
1106 668a20f6 2020-03-18 stsp *nobj_total = iprogress->nobj_total;
1107 668a20f6 2020-03-18 stsp *nobj_indexed = iprogress->nobj_indexed;
1108 668a20f6 2020-03-18 stsp *nobj_loose = iprogress->nobj_loose;
1109 668a20f6 2020-03-18 stsp *nobj_resolved = iprogress->nobj_resolved;
1111 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_DONE:
1112 baa9fea0 2020-03-18 stsp if (datalen != 0) {
1113 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1116 baa9fea0 2020-03-18 stsp *done = 1;
1119 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1123 93658fb9 2020-03-18 stsp imsg_free(&imsg);
1124 baa9fea0 2020-03-18 stsp return err;
1127 93658fb9 2020-03-18 stsp const struct got_error *
1128 cfd633c2 2018-09-10 stsp got_privsep_get_imsg_obj(struct got_object **obj, struct imsg *imsg,
1129 cfd633c2 2018-09-10 stsp struct imsgbuf *ibuf)
1131 291624d8 2018-11-07 stsp struct got_imsg_object *iobj;
1132 cfd633c2 2018-09-10 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1134 291624d8 2018-11-07 stsp if (datalen != sizeof(*iobj))
1135 cfd633c2 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1136 291624d8 2018-11-07 stsp iobj = imsg->data;
1138 31d32634 2022-06-23 thomas if (iobj->pack_offset < 0)
1139 31d32634 2022-06-23 thomas return got_error(GOT_ERR_PACK_OFFSET);
1141 cfd633c2 2018-09-10 stsp *obj = calloc(1, sizeof(**obj));
1142 cfd633c2 2018-09-10 stsp if (*obj == NULL)
1143 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
1145 fc842fc8 2023-02-03 thomas memcpy(&(*obj)->id, &iobj->id, sizeof(iobj->id));
1146 291624d8 2018-11-07 stsp (*obj)->type = iobj->type;
1147 291624d8 2018-11-07 stsp (*obj)->flags = iobj->flags;
1148 291624d8 2018-11-07 stsp (*obj)->hdrlen = iobj->hdrlen;
1149 291624d8 2018-11-07 stsp (*obj)->size = iobj->size;
1150 c59b3346 2018-09-11 stsp /* path_packfile is handled by caller */
1151 291624d8 2018-11-07 stsp if (iobj->flags & GOT_OBJ_FLAG_PACKED) {
1152 291624d8 2018-11-07 stsp (*obj)->pack_offset = iobj->pack_offset;
1153 291624d8 2018-11-07 stsp (*obj)->pack_idx = iobj->pack_idx;
1155 772802ae 2022-01-27 thomas STAILQ_INIT(&(*obj)->deltas.entries);
1156 772802ae 2022-01-27 thomas return NULL;
1159 2178c42e 2018-04-22 stsp const struct got_error *
1160 2178c42e 2018-04-22 stsp got_privsep_recv_obj(struct got_object **obj, struct imsgbuf *ibuf)
1162 2178c42e 2018-04-22 stsp const struct got_error *err = NULL;
1163 2178c42e 2018-04-22 stsp struct imsg imsg;
1164 c4eae628 2018-04-23 stsp const size_t min_datalen =
1165 c4eae628 2018-04-23 stsp MIN(sizeof(struct got_imsg_error), sizeof(struct got_imsg_object));
1167 2178c42e 2018-04-22 stsp *obj = NULL;
1169 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1171 2178c42e 2018-04-22 stsp return err;
1173 2178c42e 2018-04-22 stsp switch (imsg.hdr.type) {
1174 2178c42e 2018-04-22 stsp case GOT_IMSG_OBJECT:
1175 cfd633c2 2018-09-10 stsp err = got_privsep_get_imsg_obj(obj, &imsg, ibuf);
1178 bff6ca00 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1182 bff6ca00 2018-04-23 stsp imsg_free(&imsg);
1184 bff6ca00 2018-04-23 stsp return err;
1187 c75f7264 2018-09-11 stsp static const struct got_error *
1188 c75f7264 2018-09-11 stsp send_commit_logmsg(struct imsgbuf *ibuf, struct got_commit_object *commit,
1189 c75f7264 2018-09-11 stsp size_t logmsg_len)
1191 fa4ffeb3 2018-11-04 stsp const struct got_error *err = NULL;
1192 c75f7264 2018-09-11 stsp size_t offset, remain;
1194 c75f7264 2018-09-11 stsp offset = 0;
1195 c75f7264 2018-09-11 stsp remain = logmsg_len;
1196 c75f7264 2018-09-11 stsp while (remain > 0) {
1197 c75f7264 2018-09-11 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1199 c75f7264 2018-09-11 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_LOGMSG, 0, 0, -1,
1200 fa4ffeb3 2018-11-04 stsp commit->logmsg + offset, n) == -1) {
1201 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose "
1202 230a42bd 2019-05-11 jcs "COMMIT_LOGMSG");
1206 fa4ffeb3 2018-11-04 stsp err = flush_imsg(ibuf);
1210 c75f7264 2018-09-11 stsp offset += n;
1211 c75f7264 2018-09-11 stsp remain -= n;
1214 fa4ffeb3 2018-11-04 stsp return err;
1217 bff6ca00 2018-04-23 stsp const struct got_error *
1218 068fd2bf 2018-04-24 stsp got_privsep_send_commit(struct imsgbuf *ibuf, struct got_commit_object *commit)
1220 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1221 b9c33926 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1222 bff6ca00 2018-04-23 stsp uint8_t *buf;
1223 bff6ca00 2018-04-23 stsp size_t len, total;
1224 79f35eb3 2018-06-11 stsp struct got_object_qid *qid;
1225 b9c33926 2018-11-07 stsp size_t author_len = strlen(commit->author);
1226 b9c33926 2018-11-07 stsp size_t committer_len = strlen(commit->committer);
1227 c75f7264 2018-09-11 stsp size_t logmsg_len = strlen(commit->logmsg);
1229 b9c33926 2018-11-07 stsp total = sizeof(*icommit) + author_len + committer_len +
1230 e4c85b49 2023-02-03 thomas commit->nparents * sizeof(struct got_object_id);
1232 bff6ca00 2018-04-23 stsp buf = malloc(total);
1233 bff6ca00 2018-04-23 stsp if (buf == NULL)
1234 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1236 b9c33926 2018-11-07 stsp icommit = (struct got_imsg_commit_object *)buf;
1237 e4c85b49 2023-02-03 thomas memcpy(&icommit->tree_id, commit->tree_id, sizeof(icommit->tree_id));
1238 b9c33926 2018-11-07 stsp icommit->author_len = author_len;
1239 b9c33926 2018-11-07 stsp icommit->author_time = commit->author_time;
1240 b9c33926 2018-11-07 stsp icommit->author_gmtoff = commit->author_gmtoff;
1241 b9c33926 2018-11-07 stsp icommit->committer_len = committer_len;
1242 b9c33926 2018-11-07 stsp icommit->committer_time = commit->committer_time;
1243 b9c33926 2018-11-07 stsp icommit->committer_gmtoff = commit->committer_gmtoff;
1244 b9c33926 2018-11-07 stsp icommit->logmsg_len = logmsg_len;
1245 b9c33926 2018-11-07 stsp icommit->nparents = commit->nparents;
1247 b9c33926 2018-11-07 stsp len = sizeof(*icommit);
1248 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->author, author_len);
1249 b9c33926 2018-11-07 stsp len += author_len;
1250 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->committer, committer_len);
1251 b9c33926 2018-11-07 stsp len += committer_len;
1252 dbdddfee 2021-06-23 naddy STAILQ_FOREACH(qid, &commit->parent_ids, entry) {
1253 e4c85b49 2023-02-03 thomas memcpy(buf + len, &qid->id, sizeof(qid->id));
1254 e4c85b49 2023-02-03 thomas len += sizeof(qid->id);
1257 bff6ca00 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT, 0, 0, -1, buf, len) == -1) {
1258 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT");
1259 bff6ca00 2018-04-23 stsp goto done;
1262 904df868 2018-11-04 stsp if (logmsg_len == 0 ||
1263 904df868 2018-11-04 stsp logmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1264 904df868 2018-11-04 stsp err = flush_imsg(ibuf);
1266 904df868 2018-11-04 stsp goto done;
1268 c75f7264 2018-09-11 stsp err = send_commit_logmsg(ibuf, commit, logmsg_len);
1270 bff6ca00 2018-04-23 stsp free(buf);
1271 bff6ca00 2018-04-23 stsp return err;
1274 ca6e02ac 2020-01-07 stsp static const struct got_error *
1275 ca6e02ac 2020-01-07 stsp get_commit_from_imsg(struct got_commit_object **commit,
1276 ca6e02ac 2020-01-07 stsp struct imsg *imsg, size_t datalen, struct imsgbuf *ibuf)
1278 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1279 291624d8 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1280 ca6e02ac 2020-01-07 stsp size_t len = 0;
1283 ca6e02ac 2020-01-07 stsp if (datalen < sizeof(*icommit))
1284 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1286 ca6e02ac 2020-01-07 stsp icommit = imsg->data;
1287 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommit) + icommit->author_len +
1288 ca6e02ac 2020-01-07 stsp icommit->committer_len +
1289 e4c85b49 2023-02-03 thomas icommit->nparents * sizeof(struct got_object_id))
1290 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1292 ca6e02ac 2020-01-07 stsp if (icommit->nparents < 0)
1293 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1295 ca6e02ac 2020-01-07 stsp len += sizeof(*icommit);
1297 ca6e02ac 2020-01-07 stsp *commit = got_object_commit_alloc_partial();
1298 ca6e02ac 2020-01-07 stsp if (*commit == NULL)
1299 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
1300 ca6e02ac 2020-01-07 stsp "got_object_commit_alloc_partial");
1302 e4c85b49 2023-02-03 thomas memcpy((*commit)->tree_id, &icommit->tree_id,
1303 e4c85b49 2023-02-03 thomas sizeof(icommit->tree_id));
1304 ca6e02ac 2020-01-07 stsp (*commit)->author_time = icommit->author_time;
1305 ca6e02ac 2020-01-07 stsp (*commit)->author_gmtoff = icommit->author_gmtoff;
1306 ca6e02ac 2020-01-07 stsp (*commit)->committer_time = icommit->committer_time;
1307 ca6e02ac 2020-01-07 stsp (*commit)->committer_gmtoff = icommit->committer_gmtoff;
1309 79b7acf3 2022-06-23 thomas (*commit)->author = strndup(imsg->data + len, icommit->author_len);
1310 79b7acf3 2022-06-23 thomas if ((*commit)->author == NULL) {
1311 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1312 79b7acf3 2022-06-23 thomas goto done;
1314 ca6e02ac 2020-01-07 stsp len += icommit->author_len;
1316 79b7acf3 2022-06-23 thomas (*commit)->committer = strndup(imsg->data + len,
1317 79b7acf3 2022-06-23 thomas icommit->committer_len);
1318 79b7acf3 2022-06-23 thomas if ((*commit)->committer == NULL) {
1319 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1320 79b7acf3 2022-06-23 thomas goto done;
1322 ca6e02ac 2020-01-07 stsp len += icommit->committer_len;
1324 ca6e02ac 2020-01-07 stsp if (icommit->logmsg_len == 0) {
1325 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = strdup("");
1326 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1327 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1328 ca6e02ac 2020-01-07 stsp goto done;
1331 ca6e02ac 2020-01-07 stsp size_t offset = 0, remain = icommit->logmsg_len;
1333 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = malloc(icommit->logmsg_len + 1);
1334 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1335 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1336 ca6e02ac 2020-01-07 stsp goto done;
1338 ca6e02ac 2020-01-07 stsp while (remain > 0) {
1339 ca6e02ac 2020-01-07 stsp struct imsg imsg_log;
1340 ca6e02ac 2020-01-07 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1343 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1345 ca6e02ac 2020-01-07 stsp goto done;
1347 ca6e02ac 2020-01-07 stsp if (imsg_log.hdr.type != GOT_IMSG_COMMIT_LOGMSG) {
1348 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1349 ca6e02ac 2020-01-07 stsp goto done;
1352 ca6e02ac 2020-01-07 stsp memcpy((*commit)->logmsg + offset,
1353 ca6e02ac 2020-01-07 stsp imsg_log.data, n);
1354 ca6e02ac 2020-01-07 stsp imsg_free(&imsg_log);
1355 ca6e02ac 2020-01-07 stsp offset += n;
1356 ca6e02ac 2020-01-07 stsp remain -= n;
1358 ca6e02ac 2020-01-07 stsp (*commit)->logmsg[icommit->logmsg_len] = '\0';
1361 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommit->nparents; i++) {
1362 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
1364 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
1367 ec242592 2022-04-22 thomas memcpy(&qid->id, imsg->data + len +
1368 e4c85b49 2023-02-03 thomas i * sizeof(qid->id), sizeof(qid->id));
1369 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(&(*commit)->parent_ids, qid, entry);
1370 ca6e02ac 2020-01-07 stsp (*commit)->nparents++;
1373 ca6e02ac 2020-01-07 stsp if (err) {
1374 ca6e02ac 2020-01-07 stsp got_object_commit_close(*commit);
1375 ca6e02ac 2020-01-07 stsp *commit = NULL;
1377 ca6e02ac 2020-01-07 stsp return err;
1380 ca6e02ac 2020-01-07 stsp const struct got_error *
1381 ca6e02ac 2020-01-07 stsp got_privsep_recv_commit(struct got_commit_object **commit, struct imsgbuf *ibuf)
1383 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
1384 ca6e02ac 2020-01-07 stsp struct imsg imsg;
1385 ca6e02ac 2020-01-07 stsp size_t datalen;
1386 ca6e02ac 2020-01-07 stsp const size_t min_datalen =
1387 ca6e02ac 2020-01-07 stsp MIN(sizeof(struct got_imsg_error),
1388 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_object));
1390 ca6e02ac 2020-01-07 stsp *commit = NULL;
1392 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1394 ca6e02ac 2020-01-07 stsp return err;
1396 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1398 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
1399 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
1400 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(commit, &imsg, datalen, ibuf);
1403 8c580685 2018-04-22 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1407 2178c42e 2018-04-22 stsp imsg_free(&imsg);
1409 e033d803 2018-04-23 stsp return err;
1412 06de99ad 2022-05-19 thomas static const struct got_error *
1413 63915ee5 2022-06-23 thomas send_tree_entries_batch(struct imsgbuf *ibuf,
1414 63915ee5 2022-06-23 thomas struct got_parsed_tree_entry *entries, int idx0, int idxN, size_t len)
1416 06de99ad 2022-05-19 thomas struct ibuf *wbuf;
1417 06de99ad 2022-05-19 thomas struct got_imsg_tree_entries ientries;
1420 c26ee7ad 2022-06-23 thomas memset(&ientries, 0, sizeof(ientries));
1422 06de99ad 2022-05-19 thomas wbuf = imsg_create(ibuf, GOT_IMSG_TREE_ENTRIES, 0, 0, len);
1423 06de99ad 2022-05-19 thomas if (wbuf == NULL)
1424 06de99ad 2022-05-19 thomas return got_error_from_errno("imsg_create TREE_ENTRY");
1426 06de99ad 2022-05-19 thomas ientries.nentries = idxN - idx0 + 1;
1427 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &ientries, sizeof(ientries)) == -1)
1428 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1430 06de99ad 2022-05-19 thomas for (i = idx0; i <= idxN; i++) {
1431 06de99ad 2022-05-19 thomas struct got_parsed_tree_entry *pte = &entries[i];
1433 2be33b09 2023-02-03 thomas /* Keep in sync with struct got_imsg_tree_entry definition! */
1434 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, pte->id, SHA1_DIGEST_LENGTH) == -1)
1435 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1436 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &pte->mode, sizeof(pte->mode)) == -1)
1437 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1438 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &pte->namelen, sizeof(pte->namelen)) == -1)
1439 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1441 06de99ad 2022-05-19 thomas /* Remaining bytes are the entry's name. */
1442 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, pte->name, pte->namelen) == -1)
1443 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1446 06de99ad 2022-05-19 thomas wbuf->fd = -1;
1447 06de99ad 2022-05-19 thomas imsg_close(ibuf, wbuf);
1448 06de99ad 2022-05-19 thomas return NULL;
1451 63915ee5 2022-06-23 thomas static const struct got_error *
1452 63915ee5 2022-06-23 thomas send_tree_entries(struct imsgbuf *ibuf, struct got_parsed_tree_entry *entries,
1453 63915ee5 2022-06-23 thomas int nentries)
1455 06de99ad 2022-05-19 thomas const struct got_error *err = NULL;
1456 06de99ad 2022-05-19 thomas int i, j;
1457 63915ee5 2022-06-23 thomas size_t entries_len = sizeof(struct got_imsg_tree_entries);
1460 06de99ad 2022-05-19 thomas for (j = 0; j < nentries; j++) {
1461 06de99ad 2022-05-19 thomas struct got_parsed_tree_entry *pte = &entries[j];
1462 11a2b20c 2023-02-17 thomas size_t len = sizeof(struct got_imsg_tree_entry) + pte->namelen;
1464 06de99ad 2022-05-19 thomas if (j > 0 &&
1465 06de99ad 2022-05-19 thomas entries_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1466 63915ee5 2022-06-23 thomas err = send_tree_entries_batch(ibuf, entries,
1467 06de99ad 2022-05-19 thomas i, j - 1, entries_len);
1468 06de99ad 2022-05-19 thomas if (err)
1469 06de99ad 2022-05-19 thomas return err;
1471 06de99ad 2022-05-19 thomas entries_len = sizeof(struct got_imsg_tree_entries);
1474 06de99ad 2022-05-19 thomas entries_len += len;
1477 06de99ad 2022-05-19 thomas if (j > 0) {
1478 63915ee5 2022-06-23 thomas err = send_tree_entries_batch(ibuf, entries, i, j - 1,
1479 63915ee5 2022-06-23 thomas entries_len);
1480 06de99ad 2022-05-19 thomas if (err)
1481 06de99ad 2022-05-19 thomas return err;
1484 63915ee5 2022-06-23 thomas return NULL;
1487 63915ee5 2022-06-23 thomas const struct got_error *
1488 63915ee5 2022-06-23 thomas got_privsep_send_tree(struct imsgbuf *ibuf,
1489 63915ee5 2022-06-23 thomas struct got_parsed_tree_entry *entries, int nentries)
1491 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
1492 63915ee5 2022-06-23 thomas struct got_imsg_tree_object itree;
1494 c26ee7ad 2022-06-23 thomas memset(&itree, 0, sizeof(itree));
1495 63915ee5 2022-06-23 thomas itree.nentries = nentries;
1496 63915ee5 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_TREE, 0, 0, -1, &itree, sizeof(itree))
1498 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_compose TREE");
1500 63915ee5 2022-06-23 thomas err = send_tree_entries(ibuf, entries, nentries);
1501 63915ee5 2022-06-23 thomas if (err)
1502 63915ee5 2022-06-23 thomas return err;
1504 b00c9821 2018-11-04 stsp return flush_imsg(ibuf);
1508 63915ee5 2022-06-23 thomas static const struct got_error *
1509 63915ee5 2022-06-23 thomas recv_tree_entries(void *data, size_t datalen, struct got_tree_object *tree,
1510 63915ee5 2022-06-23 thomas int *nentries)
1512 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
1513 63915ee5 2022-06-23 thomas struct got_imsg_tree_entries *ientries;
1514 63915ee5 2022-06-23 thomas struct got_tree_entry *te;
1515 63915ee5 2022-06-23 thomas size_t te_offset;
1516 63915ee5 2022-06-23 thomas size_t i;
1518 63915ee5 2022-06-23 thomas if (datalen <= sizeof(*ientries) ||
1519 63915ee5 2022-06-23 thomas datalen > MAX_IMSGSIZE - IMSG_HEADER_SIZE)
1520 63915ee5 2022-06-23 thomas return got_error(GOT_ERR_PRIVSEP_LEN);
1522 63915ee5 2022-06-23 thomas ientries = (struct got_imsg_tree_entries *)data;
1523 63915ee5 2022-06-23 thomas if (ientries->nentries > INT_MAX) {
1524 63915ee5 2022-06-23 thomas return got_error_msg(GOT_ERR_NO_SPACE,
1525 63915ee5 2022-06-23 thomas "too many tree entries");
1528 63915ee5 2022-06-23 thomas te_offset = sizeof(*ientries);
1529 63915ee5 2022-06-23 thomas for (i = 0; i < ientries->nentries; i++) {
1530 63915ee5 2022-06-23 thomas struct got_imsg_tree_entry ite;
1531 63915ee5 2022-06-23 thomas const char *te_name;
1532 63915ee5 2022-06-23 thomas uint8_t *buf = (uint8_t *)data + te_offset;
1534 63915ee5 2022-06-23 thomas if (te_offset >= datalen) {
1535 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1539 63915ee5 2022-06-23 thomas /* Might not be aligned, size is ~32 bytes. */
1540 63915ee5 2022-06-23 thomas memcpy(&ite, buf, sizeof(ite));
1542 63915ee5 2022-06-23 thomas if (ite.namelen >= sizeof(te->name)) {
1543 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1546 63915ee5 2022-06-23 thomas if (te_offset + sizeof(ite) + ite.namelen > datalen) {
1547 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1551 63915ee5 2022-06-23 thomas if (*nentries >= tree->nentries) {
1552 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1555 63915ee5 2022-06-23 thomas te = &tree->entries[*nentries];
1556 63915ee5 2022-06-23 thomas te_name = buf + sizeof(ite);
1557 63915ee5 2022-06-23 thomas memcpy(te->name, te_name, ite.namelen);
1558 63915ee5 2022-06-23 thomas te->name[ite.namelen] = '\0';
1559 63915ee5 2022-06-23 thomas memcpy(te->id.sha1, ite.id, SHA1_DIGEST_LENGTH);
1560 63915ee5 2022-06-23 thomas te->mode = ite.mode;
1561 63915ee5 2022-06-23 thomas te->idx = *nentries;
1562 63915ee5 2022-06-23 thomas (*nentries)++;
1564 63915ee5 2022-06-23 thomas te_offset += sizeof(ite) + ite.namelen;
1567 63915ee5 2022-06-23 thomas return err;
1570 e033d803 2018-04-23 stsp const struct got_error *
1571 068fd2bf 2018-04-24 stsp got_privsep_recv_tree(struct got_tree_object **tree, struct imsgbuf *ibuf)
1573 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
1574 e033d803 2018-04-23 stsp const size_t min_datalen =
1575 e033d803 2018-04-23 stsp MIN(sizeof(struct got_imsg_error),
1576 e033d803 2018-04-23 stsp sizeof(struct got_imsg_tree_object));
1577 291624d8 2018-11-07 stsp struct got_imsg_tree_object *itree;
1578 e033d803 2018-04-23 stsp int nentries = 0;
1580 e033d803 2018-04-23 stsp *tree = NULL;
1582 9b5e2ebd 2022-07-07 thomas while (*tree == NULL || nentries < (*tree)->nentries) {
1583 e033d803 2018-04-23 stsp struct imsg imsg;
1584 e033d803 2018-04-23 stsp size_t datalen;
1586 9b5e2ebd 2022-07-07 thomas err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1587 9b5e2ebd 2022-07-07 thomas if (err)
1590 e033d803 2018-04-23 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1592 e033d803 2018-04-23 stsp switch (imsg.hdr.type) {
1593 e033d803 2018-04-23 stsp case GOT_IMSG_TREE:
1594 e033d803 2018-04-23 stsp /* This message should only appear once. */
1595 e033d803 2018-04-23 stsp if (*tree != NULL) {
1596 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1599 291624d8 2018-11-07 stsp if (datalen != sizeof(*itree)) {
1600 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1603 291624d8 2018-11-07 stsp itree = imsg.data;
1604 ace4d4e7 2022-05-19 thomas if (itree->nentries < 0) {
1605 ace4d4e7 2022-05-19 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1608 c3b78ecc 2018-11-07 stsp *tree = malloc(sizeof(**tree));
1609 e033d803 2018-04-23 stsp if (*tree == NULL) {
1610 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1613 56e0773d 2019-11-28 stsp (*tree)->entries = calloc(itree->nentries,
1614 56e0773d 2019-11-28 stsp sizeof(struct got_tree_entry));
1615 56e0773d 2019-11-28 stsp if ((*tree)->entries == NULL) {
1616 56e0773d 2019-11-28 stsp err = got_error_from_errno("malloc");
1617 c3bacae2 2022-05-19 thomas free(*tree);
1618 c3bacae2 2022-05-19 thomas *tree = NULL;
1621 56e0773d 2019-11-28 stsp (*tree)->nentries = itree->nentries;
1622 c3b78ecc 2018-11-07 stsp (*tree)->refcnt = 0;
1624 06de99ad 2022-05-19 thomas case GOT_IMSG_TREE_ENTRIES:
1625 e033d803 2018-04-23 stsp /* This message should be preceeded by GOT_IMSG_TREE. */
1626 e033d803 2018-04-23 stsp if (*tree == NULL) {
1627 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1630 63915ee5 2022-06-23 thomas err = recv_tree_entries(imsg.data, datalen,
1631 63915ee5 2022-06-23 thomas *tree, &nentries);
1634 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1638 e033d803 2018-04-23 stsp imsg_free(&imsg);
1643 56e0773d 2019-11-28 stsp if (*tree && (*tree)->nentries != nentries) {
1644 1e51f5b9 2018-04-23 stsp if (err == NULL)
1645 1e51f5b9 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1646 e033d803 2018-04-23 stsp got_object_tree_close(*tree);
1647 e033d803 2018-04-23 stsp *tree = NULL;
1650 ff6b18f8 2018-04-24 stsp return err;
1653 ff6b18f8 2018-04-24 stsp const struct got_error *
1654 ac544f8c 2019-01-13 stsp got_privsep_send_blob(struct imsgbuf *ibuf, size_t size, size_t hdrlen,
1655 ac544f8c 2019-01-13 stsp const uint8_t *data)
1657 2967a784 2018-04-24 stsp struct got_imsg_blob iblob;
1659 c26ee7ad 2022-06-23 thomas memset(&iblob, 0, sizeof(iblob));
1660 2967a784 2018-04-24 stsp iblob.size = size;
1661 ebc55e2d 2018-12-24 stsp iblob.hdrlen = hdrlen;
1663 ac544f8c 2019-01-13 stsp if (data) {
1664 ac544f8c 2019-01-13 stsp uint8_t *buf;
1666 ac544f8c 2019-01-13 stsp if (size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX)
1667 ac544f8c 2019-01-13 stsp return got_error(GOT_ERR_NO_SPACE);
1669 ac544f8c 2019-01-13 stsp buf = malloc(sizeof(iblob) + size);
1670 ac544f8c 2019-01-13 stsp if (buf == NULL)
1671 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1673 ac544f8c 2019-01-13 stsp memcpy(buf, &iblob, sizeof(iblob));
1674 ac544f8c 2019-01-13 stsp memcpy(buf + sizeof(iblob), data, size);
1675 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, buf,
1676 62d463ca 2020-10-20 naddy sizeof(iblob) + size) == -1) {
1677 ac544f8c 2019-01-13 stsp free(buf);
1678 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1680 ac544f8c 2019-01-13 stsp free(buf);
1682 ac544f8c 2019-01-13 stsp /* Data has already been written to file descriptor. */
1683 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, &iblob,
1684 ac544f8c 2019-01-13 stsp sizeof(iblob)) == -1)
1685 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1689 ff6b18f8 2018-04-24 stsp return flush_imsg(ibuf);
1692 ff6b18f8 2018-04-24 stsp const struct got_error *
1693 ac544f8c 2019-01-13 stsp got_privsep_recv_blob(uint8_t **outbuf, size_t *size, size_t *hdrlen,
1694 ac544f8c 2019-01-13 stsp struct imsgbuf *ibuf)
1696 ff6b18f8 2018-04-24 stsp const struct got_error *err = NULL;
1697 ff6b18f8 2018-04-24 stsp struct imsg imsg;
1698 291624d8 2018-11-07 stsp struct got_imsg_blob *iblob;
1699 ff6b18f8 2018-04-24 stsp size_t datalen;
1701 ac544f8c 2019-01-13 stsp *outbuf = NULL;
1703 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1705 ff6b18f8 2018-04-24 stsp return err;
1707 ff6b18f8 2018-04-24 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1709 ff6b18f8 2018-04-24 stsp switch (imsg.hdr.type) {
1710 ff6b18f8 2018-04-24 stsp case GOT_IMSG_BLOB:
1711 ac544f8c 2019-01-13 stsp if (datalen < sizeof(*iblob)) {
1712 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1715 291624d8 2018-11-07 stsp iblob = imsg.data;
1716 291624d8 2018-11-07 stsp *size = iblob->size;
1717 ebc55e2d 2018-12-24 stsp *hdrlen = iblob->hdrlen;
1719 ac544f8c 2019-01-13 stsp if (datalen == sizeof(*iblob)) {
1720 ac544f8c 2019-01-13 stsp /* Data has been written to file descriptor. */
1724 31d32634 2022-06-23 thomas if (*size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX ||
1725 31d32634 2022-06-23 thomas *size > datalen + sizeof(*iblob)) {
1726 ac544f8c 2019-01-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1730 ac544f8c 2019-01-13 stsp *outbuf = malloc(*size);
1731 ac544f8c 2019-01-13 stsp if (*outbuf == NULL) {
1732 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1735 ac544f8c 2019-01-13 stsp memcpy(*outbuf, imsg.data + sizeof(*iblob), *size);
1738 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1742 f4a881ce 2018-11-17 stsp imsg_free(&imsg);
1744 f4a881ce 2018-11-17 stsp return err;
1747 f4a881ce 2018-11-17 stsp static const struct got_error *
1748 f4a881ce 2018-11-17 stsp send_tagmsg(struct imsgbuf *ibuf, struct got_tag_object *tag, size_t tagmsg_len)
1750 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1751 f4a881ce 2018-11-17 stsp size_t offset, remain;
1753 f4a881ce 2018-11-17 stsp offset = 0;
1754 f4a881ce 2018-11-17 stsp remain = tagmsg_len;
1755 f4a881ce 2018-11-17 stsp while (remain > 0) {
1756 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1758 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_TAGMSG, 0, 0, -1,
1759 f4a881ce 2018-11-17 stsp tag->tagmsg + offset, n) == -1) {
1760 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG_TAGMSG");
1764 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1768 f4a881ce 2018-11-17 stsp offset += n;
1769 f4a881ce 2018-11-17 stsp remain -= n;
1772 f4a881ce 2018-11-17 stsp return err;
1775 f4a881ce 2018-11-17 stsp const struct got_error *
1776 f4a881ce 2018-11-17 stsp got_privsep_send_tag(struct imsgbuf *ibuf, struct got_tag_object *tag)
1778 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1779 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1780 f4a881ce 2018-11-17 stsp uint8_t *buf;
1781 f4a881ce 2018-11-17 stsp size_t len, total;
1782 f4a881ce 2018-11-17 stsp size_t tag_len = strlen(tag->tag);
1783 f4a881ce 2018-11-17 stsp size_t tagger_len = strlen(tag->tagger);
1784 f4a881ce 2018-11-17 stsp size_t tagmsg_len = strlen(tag->tagmsg);
1786 f4a881ce 2018-11-17 stsp total = sizeof(*itag) + tag_len + tagger_len + tagmsg_len;
1788 f4a881ce 2018-11-17 stsp buf = malloc(total);
1789 f4a881ce 2018-11-17 stsp if (buf == NULL)
1790 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1792 f4a881ce 2018-11-17 stsp itag = (struct got_imsg_tag_object *)buf;
1793 35cdfa2c 2023-02-20 thomas memcpy(&itag->id, &tag->id, sizeof(itag->id));
1794 f4a881ce 2018-11-17 stsp itag->obj_type = tag->obj_type;
1795 f4a881ce 2018-11-17 stsp itag->tag_len = tag_len;
1796 f4a881ce 2018-11-17 stsp itag->tagger_len = tagger_len;
1797 f4a881ce 2018-11-17 stsp itag->tagger_time = tag->tagger_time;
1798 f4a881ce 2018-11-17 stsp itag->tagger_gmtoff = tag->tagger_gmtoff;
1799 f4a881ce 2018-11-17 stsp itag->tagmsg_len = tagmsg_len;
1801 f4a881ce 2018-11-17 stsp len = sizeof(*itag);
1802 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tag, tag_len);
1803 f4a881ce 2018-11-17 stsp len += tag_len;
1804 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tagger, tagger_len);
1805 f4a881ce 2018-11-17 stsp len += tagger_len;
1807 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG, 0, 0, -1, buf, len) == -1) {
1808 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG");
1809 f4a881ce 2018-11-17 stsp goto done;
1812 f4a881ce 2018-11-17 stsp if (tagmsg_len == 0 ||
1813 f4a881ce 2018-11-17 stsp tagmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1814 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1816 f4a881ce 2018-11-17 stsp goto done;
1818 f4a881ce 2018-11-17 stsp err = send_tagmsg(ibuf, tag, tagmsg_len);
1820 f4a881ce 2018-11-17 stsp free(buf);
1821 f4a881ce 2018-11-17 stsp return err;
1824 f4a881ce 2018-11-17 stsp const struct got_error *
1825 f4a881ce 2018-11-17 stsp got_privsep_recv_tag(struct got_tag_object **tag, struct imsgbuf *ibuf)
1827 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1828 f4a881ce 2018-11-17 stsp struct imsg imsg;
1829 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1830 f4a881ce 2018-11-17 stsp size_t len, datalen;
1831 f4a881ce 2018-11-17 stsp const size_t min_datalen =
1832 f4a881ce 2018-11-17 stsp MIN(sizeof(struct got_imsg_error),
1833 f4a881ce 2018-11-17 stsp sizeof(struct got_imsg_tag_object));
1835 f4a881ce 2018-11-17 stsp *tag = NULL;
1837 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1839 f4a881ce 2018-11-17 stsp return err;
1841 f4a881ce 2018-11-17 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1844 f4a881ce 2018-11-17 stsp switch (imsg.hdr.type) {
1845 f4a881ce 2018-11-17 stsp case GOT_IMSG_TAG:
1846 f4a881ce 2018-11-17 stsp if (datalen < sizeof(*itag)) {
1847 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1850 f4a881ce 2018-11-17 stsp itag = imsg.data;
1851 f4a881ce 2018-11-17 stsp if (datalen != sizeof(*itag) + itag->tag_len +
1852 f4a881ce 2018-11-17 stsp itag->tagger_len) {
1853 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1856 f4a881ce 2018-11-17 stsp len += sizeof(*itag);
1858 f4a881ce 2018-11-17 stsp *tag = calloc(1, sizeof(**tag));
1859 f4a881ce 2018-11-17 stsp if (*tag == NULL) {
1860 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
1864 35cdfa2c 2023-02-20 thomas memcpy(&(*tag)->id, &itag->id, sizeof(itag->id));
1866 79b7acf3 2022-06-23 thomas (*tag)->tag = strndup(imsg.data + len, itag->tag_len);
1867 79b7acf3 2022-06-23 thomas if ((*tag)->tag == NULL) {
1868 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1871 f4a881ce 2018-11-17 stsp len += itag->tag_len;
1873 f4a881ce 2018-11-17 stsp (*tag)->obj_type = itag->obj_type;
1874 f4a881ce 2018-11-17 stsp (*tag)->tagger_time = itag->tagger_time;
1875 f4a881ce 2018-11-17 stsp (*tag)->tagger_gmtoff = itag->tagger_gmtoff;
1877 79b7acf3 2022-06-23 thomas (*tag)->tagger = strndup(imsg.data + len, itag->tagger_len);
1878 79b7acf3 2022-06-23 thomas if ((*tag)->tagger == NULL) {
1879 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1882 f4a881ce 2018-11-17 stsp len += itag->tagger_len;
1884 f4a881ce 2018-11-17 stsp if (itag->tagmsg_len == 0) {
1885 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = strdup("");
1886 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1887 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1891 f4a881ce 2018-11-17 stsp size_t offset = 0, remain = itag->tagmsg_len;
1893 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = malloc(itag->tagmsg_len + 1);
1894 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1895 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1898 f4a881ce 2018-11-17 stsp while (remain > 0) {
1899 f4a881ce 2018-11-17 stsp struct imsg imsg_log;
1900 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1903 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1905 f4a881ce 2018-11-17 stsp return err;
1907 f4a881ce 2018-11-17 stsp if (imsg_log.hdr.type != GOT_IMSG_TAG_TAGMSG)
1908 f4a881ce 2018-11-17 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
1910 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagmsg + offset, imsg_log.data,
1912 f4a881ce 2018-11-17 stsp imsg_free(&imsg_log);
1913 f4a881ce 2018-11-17 stsp offset += n;
1914 f4a881ce 2018-11-17 stsp remain -= n;
1916 f4a881ce 2018-11-17 stsp (*tag)->tagmsg[itag->tagmsg_len] = '\0';
1921 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1925 ff6b18f8 2018-04-24 stsp imsg_free(&imsg);
1927 2178c42e 2018-04-22 stsp return err;
1930 876c234b 2018-09-10 stsp const struct got_error *
1931 876c234b 2018-09-10 stsp got_privsep_init_pack_child(struct imsgbuf *ibuf, struct got_pack *pack,
1932 876c234b 2018-09-10 stsp struct got_packidx *packidx)
1934 41496140 2019-02-21 stsp const struct got_error *err = NULL;
1935 876c234b 2018-09-10 stsp struct got_imsg_packidx ipackidx;
1936 876c234b 2018-09-10 stsp struct got_imsg_pack ipack;
1939 c26ee7ad 2022-06-23 thomas memset(&ipackidx, 0, sizeof(ipackidx));
1940 c26ee7ad 2022-06-23 thomas memset(&ipack, 0, sizeof(ipack));
1942 876c234b 2018-09-10 stsp ipackidx.len = packidx->len;
1943 c3564dfa 2021-07-15 stsp ipackidx.packfile_size = pack->filesize;
1944 876c234b 2018-09-10 stsp fd = dup(packidx->fd);
1945 876c234b 2018-09-10 stsp if (fd == -1)
1946 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1948 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKIDX, 0, 0, fd, &ipackidx,
1949 41496140 2019-02-21 stsp sizeof(ipackidx)) == -1) {
1950 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACKIDX");
1951 41496140 2019-02-21 stsp close(fd);
1952 41496140 2019-02-21 stsp return err;
1955 876c234b 2018-09-10 stsp if (strlcpy(ipack.path_packfile, pack->path_packfile,
1956 876c234b 2018-09-10 stsp sizeof(ipack.path_packfile)) >= sizeof(ipack.path_packfile))
1957 876c234b 2018-09-10 stsp return got_error(GOT_ERR_NO_SPACE);
1958 876c234b 2018-09-10 stsp ipack.filesize = pack->filesize;
1960 876c234b 2018-09-10 stsp fd = dup(pack->fd);
1961 876c234b 2018-09-10 stsp if (fd == -1)
1962 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1964 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACK, 0, 0, fd, &ipack, sizeof(ipack))
1966 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACK");
1967 41496140 2019-02-21 stsp close(fd);
1968 41496140 2019-02-21 stsp return err;
1971 876c234b 2018-09-10 stsp return flush_imsg(ibuf);
1974 876c234b 2018-09-10 stsp const struct got_error *
1975 106807b4 2018-09-15 stsp got_privsep_send_packed_obj_req(struct imsgbuf *ibuf, int idx,
1976 106807b4 2018-09-15 stsp struct got_object_id *id)
1978 876c234b 2018-09-10 stsp struct got_imsg_packed_object iobj;
1980 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
1981 876c234b 2018-09-10 stsp iobj.idx = idx;
1982 b6f67730 2023-02-03 thomas memcpy(&iobj.id, id, sizeof(iobj.id));
1984 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_OBJECT_REQUEST, 0, 0, -1,
1985 876c234b 2018-09-10 stsp &iobj, sizeof(iobj)) == -1)
1986 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose "
1987 230a42bd 2019-05-11 jcs "PACKED_OBJECT_REQUEST");
1989 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1992 aba9c984 2019-09-08 stsp const struct got_error *
1993 59d1e4a0 2021-03-10 stsp got_privsep_send_packed_raw_obj_req(struct imsgbuf *ibuf, int idx,
1994 59d1e4a0 2021-03-10 stsp struct got_object_id *id)
1996 59d1e4a0 2021-03-10 stsp struct got_imsg_packed_object iobj;
1998 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
1999 59d1e4a0 2021-03-10 stsp iobj.idx = idx;
2000 b6f67730 2023-02-03 thomas memcpy(&iobj.id, id, sizeof(iobj.id));
2002 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_RAW_OBJECT_REQUEST, 0, 0, -1,
2003 59d1e4a0 2021-03-10 stsp &iobj, sizeof(iobj)) == -1)
2004 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose "
2005 59d1e4a0 2021-03-10 stsp "PACKED_OBJECT_REQUEST");
2007 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
2010 59d1e4a0 2021-03-10 stsp const struct got_error *
2011 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_parse_req(struct imsgbuf *ibuf, int fd)
2013 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2015 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_PARSE_REQUEST, 0, 0, fd,
2016 aba9c984 2019-09-08 stsp NULL, 0) == -1) {
2017 aba9c984 2019-09-08 stsp err = got_error_from_errno("imsg_compose "
2018 aba9c984 2019-09-08 stsp "GITCONFIG_PARSE_REQUEST");
2019 aba9c984 2019-09-08 stsp close(fd);
2020 aba9c984 2019-09-08 stsp return err;
2023 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2026 aba9c984 2019-09-08 stsp const struct got_error *
2027 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_repository_format_version_req(struct imsgbuf *ibuf)
2029 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2030 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST, 0, 0, -1,
2031 aba9c984 2019-09-08 stsp NULL, 0) == -1)
2032 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2033 aba9c984 2019-09-08 stsp "GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST");
2035 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2038 aba9c984 2019-09-08 stsp const struct got_error *
2039 20b7abb3 2020-10-22 stsp got_privsep_send_gitconfig_repository_extensions_req(struct imsgbuf *ibuf)
2041 20b7abb3 2020-10-22 stsp if (imsg_compose(ibuf,
2042 20b7abb3 2020-10-22 stsp GOT_IMSG_GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST, 0, 0, -1,
2043 20b7abb3 2020-10-22 stsp NULL, 0) == -1)
2044 20b7abb3 2020-10-22 stsp return got_error_from_errno("imsg_compose "
2045 20b7abb3 2020-10-22 stsp "GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST");
2047 20b7abb3 2020-10-22 stsp return flush_imsg(ibuf);
2051 20b7abb3 2020-10-22 stsp const struct got_error *
2052 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_name_req(struct imsgbuf *ibuf)
2054 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2055 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_NAME_REQUEST, 0, 0, -1, NULL, 0) == -1)
2056 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2057 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_NAME_REQUEST");
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_author_email_req(struct imsgbuf *ibuf)
2065 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2066 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_EMAIL_REQUEST, 0, 0, -1, NULL, 0) == -1)
2067 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2068 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_EMAIL_REQUEST");
2070 cd95becd 2019-11-29 stsp return flush_imsg(ibuf);
2073 cd95becd 2019-11-29 stsp const struct got_error *
2074 cd95becd 2019-11-29 stsp got_privsep_send_gitconfig_remotes_req(struct imsgbuf *ibuf)
2076 cd95becd 2019-11-29 stsp if (imsg_compose(ibuf,
2077 cd95becd 2019-11-29 stsp GOT_IMSG_GITCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2078 cd95becd 2019-11-29 stsp return got_error_from_errno("imsg_compose "
2079 cd95becd 2019-11-29 stsp "GITCONFIG_REMOTE_REQUEST");
2081 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2084 aba9c984 2019-09-08 stsp const struct got_error *
2085 9a1cc63f 2020-02-03 stsp got_privsep_send_gitconfig_owner_req(struct imsgbuf *ibuf)
2087 9a1cc63f 2020-02-03 stsp if (imsg_compose(ibuf,
2088 9a1cc63f 2020-02-03 stsp GOT_IMSG_GITCONFIG_OWNER_REQUEST, 0, 0, -1, NULL, 0) == -1)
2089 9a1cc63f 2020-02-03 stsp return got_error_from_errno("imsg_compose "
2090 9a1cc63f 2020-02-03 stsp "GITCONFIG_OWNER_REQUEST");
2092 9a1cc63f 2020-02-03 stsp return flush_imsg(ibuf);
2095 9a1cc63f 2020-02-03 stsp const struct got_error *
2096 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_str(char **str, struct imsgbuf *ibuf)
2098 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2099 aba9c984 2019-09-08 stsp struct imsg imsg;
2100 aba9c984 2019-09-08 stsp size_t datalen;
2102 aba9c984 2019-09-08 stsp *str = NULL;
2104 12a8238e 2022-06-23 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2106 aba9c984 2019-09-08 stsp return err;
2107 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2109 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2110 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_STR_VAL:
2111 aba9c984 2019-09-08 stsp if (datalen == 0)
2113 fcbb06bf 2023-01-14 thomas *str = strndup(imsg.data, datalen);
2114 aba9c984 2019-09-08 stsp if (*str == NULL) {
2115 fcbb06bf 2023-01-14 thomas err = got_error_from_errno("strndup");
2120 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2124 b091c2cd 2023-02-07 thomas imsg_free(&imsg);
2125 b091c2cd 2023-02-07 thomas return err;
2128 b091c2cd 2023-02-07 thomas const struct got_error *
2129 b091c2cd 2023-02-07 thomas got_privsep_recv_gitconfig_pair(char **key, char **val, struct imsgbuf *ibuf)
2131 b091c2cd 2023-02-07 thomas const struct got_error *err = NULL;
2132 b091c2cd 2023-02-07 thomas struct got_imsg_gitconfig_pair p;
2133 b091c2cd 2023-02-07 thomas struct imsg imsg;
2134 b091c2cd 2023-02-07 thomas size_t datalen;
2135 b091c2cd 2023-02-07 thomas uint8_t *data;
2137 b091c2cd 2023-02-07 thomas *key = *val = NULL;
2139 b091c2cd 2023-02-07 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2140 b091c2cd 2023-02-07 thomas if (err)
2141 b091c2cd 2023-02-07 thomas return err;
2143 b091c2cd 2023-02-07 thomas data = imsg.data;
2144 b091c2cd 2023-02-07 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2146 b091c2cd 2023-02-07 thomas if (imsg.hdr.type != GOT_IMSG_GITCONFIG_PAIR) {
2147 b091c2cd 2023-02-07 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2148 b091c2cd 2023-02-07 thomas goto done;
2151 b091c2cd 2023-02-07 thomas if (datalen < sizeof(p)) {
2152 b091c2cd 2023-02-07 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2153 b091c2cd 2023-02-07 thomas goto done;
2156 b091c2cd 2023-02-07 thomas memcpy(&p, data, sizeof(p));
2157 b091c2cd 2023-02-07 thomas data += sizeof(p);
2159 b091c2cd 2023-02-07 thomas if (datalen != sizeof(p) + p.klen + p.vlen) {
2160 b091c2cd 2023-02-07 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2161 b091c2cd 2023-02-07 thomas goto done;
2164 b091c2cd 2023-02-07 thomas *key = strndup(data, p.klen);
2165 b091c2cd 2023-02-07 thomas if (*key == NULL) {
2166 b091c2cd 2023-02-07 thomas err = got_error_from_errno("strndup");
2167 b091c2cd 2023-02-07 thomas goto done;
2169 b091c2cd 2023-02-07 thomas data += p.klen;
2171 b091c2cd 2023-02-07 thomas *val = strndup(data, p.vlen);
2172 b091c2cd 2023-02-07 thomas if (*val == NULL) {
2173 b091c2cd 2023-02-07 thomas err = got_error_from_errno("strndup");
2174 b091c2cd 2023-02-07 thomas goto done;
2178 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2179 aba9c984 2019-09-08 stsp return err;
2182 aba9c984 2019-09-08 stsp const struct got_error *
2183 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_int(int *val, struct imsgbuf *ibuf)
2185 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2186 aba9c984 2019-09-08 stsp struct imsg imsg;
2187 aba9c984 2019-09-08 stsp size_t datalen;
2188 aba9c984 2019-09-08 stsp const size_t min_datalen =
2189 aba9c984 2019-09-08 stsp MIN(sizeof(struct got_imsg_error), sizeof(int));
2193 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2195 aba9c984 2019-09-08 stsp return err;
2196 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2198 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2199 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_INT_VAL:
2200 aba9c984 2019-09-08 stsp if (datalen != sizeof(*val)) {
2201 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2204 aba9c984 2019-09-08 stsp memcpy(val, imsg.data, sizeof(*val));
2207 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2211 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2212 cd95becd 2019-11-29 stsp return err;
2215 b8adfa55 2020-09-25 stsp static void
2216 b8adfa55 2020-09-25 stsp free_remote_data(struct got_remote_repo *remote)
2220 b8adfa55 2020-09-25 stsp free(remote->name);
2221 6480c871 2021-08-30 stsp free(remote->fetch_url);
2222 6480c871 2021-08-30 stsp free(remote->send_url);
2223 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_branches; i++)
2224 6480c871 2021-08-30 stsp free(remote->fetch_branches[i]);
2225 6480c871 2021-08-30 stsp free(remote->fetch_branches);
2226 6480c871 2021-08-30 stsp for (i = 0; i < remote->nsend_branches; i++)
2227 6480c871 2021-08-30 stsp free(remote->send_branches[i]);
2228 6480c871 2021-08-30 stsp free(remote->send_branches);
2229 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_refs; i++)
2230 6480c871 2021-08-30 stsp free(remote->fetch_refs[i]);
2231 6480c871 2021-08-30 stsp free(remote->fetch_refs);
2234 cd95becd 2019-11-29 stsp const struct got_error *
2235 cd95becd 2019-11-29 stsp got_privsep_recv_gitconfig_remotes(struct got_remote_repo **remotes,
2236 cd95becd 2019-11-29 stsp int *nremotes, struct imsgbuf *ibuf)
2238 cd95becd 2019-11-29 stsp const struct got_error *err = NULL;
2239 cd95becd 2019-11-29 stsp struct imsg imsg;
2240 cd95becd 2019-11-29 stsp size_t datalen;
2241 cd95becd 2019-11-29 stsp struct got_imsg_remotes iremotes;
2242 cd95becd 2019-11-29 stsp struct got_imsg_remote iremote;
2244 cd95becd 2019-11-29 stsp *remotes = NULL;
2245 cd95becd 2019-11-29 stsp *nremotes = 0;
2246 d669b9c9 2020-02-22 stsp iremotes.nremotes = 0;
2248 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremotes));
2250 cd95becd 2019-11-29 stsp return err;
2251 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2253 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2254 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTES:
2255 cd95becd 2019-11-29 stsp if (datalen != sizeof(iremotes)) {
2256 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2259 cd95becd 2019-11-29 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2260 cd95becd 2019-11-29 stsp if (iremotes.nremotes == 0) {
2261 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2262 cd95becd 2019-11-29 stsp return NULL;
2266 54b1c5b5 2020-02-22 stsp imsg_free(&imsg);
2267 54b1c5b5 2020-02-22 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2270 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2272 5146eb39 2020-03-20 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2273 cd95becd 2019-11-29 stsp if (*remotes == NULL)
2274 cd95becd 2019-11-29 stsp return got_error_from_errno("recallocarray");
2276 cd95becd 2019-11-29 stsp while (*nremotes < iremotes.nremotes) {
2277 cd95becd 2019-11-29 stsp struct got_remote_repo *remote;
2279 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremote));
2282 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2284 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2285 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTE:
2286 cd95becd 2019-11-29 stsp remote = &(*remotes)[*nremotes];
2287 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2288 cd95becd 2019-11-29 stsp if (datalen < sizeof(iremote)) {
2289 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2292 cd95becd 2019-11-29 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2293 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2294 6480c871 2021-08-30 stsp iremote.fetch_url_len == 0 ||
2295 6480c871 2021-08-30 stsp iremote.send_url_len == 0 ||
2296 cd95becd 2019-11-29 stsp (sizeof(iremote) + iremote.name_len +
2297 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) > datalen) {
2298 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2301 cd95becd 2019-11-29 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2302 cd95becd 2019-11-29 stsp iremote.name_len);
2303 cd95becd 2019-11-29 stsp if (remote->name == NULL) {
2304 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2307 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data + sizeof(iremote) +
2308 6480c871 2021-08-30 stsp iremote.name_len, iremote.fetch_url_len);
2309 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2310 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2311 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2314 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data + sizeof(iremote) +
2315 6480c871 2021-08-30 stsp iremote.name_len + iremote.fetch_url_len,
2316 6480c871 2021-08-30 stsp iremote.send_url_len);
2317 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2318 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2319 6480c871 2021-08-30 stsp free_remote_data(remote);
2322 469dd726 2020-03-20 stsp remote->mirror_references = iremote.mirror_references;
2323 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2324 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2325 6480c871 2021-08-30 stsp remote->fetch_branches = NULL;
2326 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2327 6480c871 2021-08-30 stsp remote->send_branches = NULL;
2328 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2329 6480c871 2021-08-30 stsp remote->fetch_refs = NULL;
2330 cd95becd 2019-11-29 stsp (*nremotes)++;
2333 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2337 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2342 cd95becd 2019-11-29 stsp if (err) {
2344 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2345 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2346 cd95becd 2019-11-29 stsp free(*remotes);
2347 cd95becd 2019-11-29 stsp *remotes = NULL;
2348 cd95becd 2019-11-29 stsp *nremotes = 0;
2350 aba9c984 2019-09-08 stsp return err;
2353 257add31 2020-09-09 stsp const struct got_error *
2354 257add31 2020-09-09 stsp got_privsep_send_gotconfig_parse_req(struct imsgbuf *ibuf, int fd)
2356 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2358 257add31 2020-09-09 stsp if (imsg_compose(ibuf, GOT_IMSG_GOTCONFIG_PARSE_REQUEST, 0, 0, fd,
2359 257add31 2020-09-09 stsp NULL, 0) == -1) {
2360 257add31 2020-09-09 stsp err = got_error_from_errno("imsg_compose "
2361 257add31 2020-09-09 stsp "GOTCONFIG_PARSE_REQUEST");
2362 257add31 2020-09-09 stsp close(fd);
2363 257add31 2020-09-09 stsp return err;
2366 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2369 257add31 2020-09-09 stsp const struct got_error *
2370 257add31 2020-09-09 stsp got_privsep_send_gotconfig_author_req(struct imsgbuf *ibuf)
2372 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2373 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_AUTHOR_REQUEST, 0, 0, -1, NULL, 0) == -1)
2374 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2375 257add31 2020-09-09 stsp "GOTCONFIG_AUTHOR_REQUEST");
2377 871bd038 2022-07-03 thomas return flush_imsg(ibuf);
2380 871bd038 2022-07-03 thomas const struct got_error *
2381 871bd038 2022-07-03 thomas got_privsep_send_gotconfig_allowed_signers_req(struct imsgbuf *ibuf)
2383 871bd038 2022-07-03 thomas if (imsg_compose(ibuf,
2384 871bd038 2022-07-03 thomas GOT_IMSG_GOTCONFIG_ALLOWEDSIGNERS_REQUEST, 0, 0, -1, NULL, 0) == -1)
2385 871bd038 2022-07-03 thomas return got_error_from_errno("imsg_compose "
2386 871bd038 2022-07-03 thomas "GOTCONFIG_ALLOWEDSIGNERS_REQUEST");
2388 871bd038 2022-07-03 thomas return flush_imsg(ibuf);
2391 871bd038 2022-07-03 thomas const struct got_error *
2392 871bd038 2022-07-03 thomas got_privsep_send_gotconfig_revoked_signers_req(struct imsgbuf *ibuf)
2394 871bd038 2022-07-03 thomas if (imsg_compose(ibuf,
2395 871bd038 2022-07-03 thomas GOT_IMSG_GOTCONFIG_REVOKEDSIGNERS_REQUEST, 0, 0, -1, NULL, 0) == -1)
2396 871bd038 2022-07-03 thomas return got_error_from_errno("imsg_compose "
2397 871bd038 2022-07-03 thomas "GOTCONFIG_REVOKEDSIGNERS_REQUEST");
2399 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2402 ca6e02ac 2020-01-07 stsp const struct got_error *
2403 ff5e1f09 2022-07-06 thomas got_privsep_send_gotconfig_signer_id_req(struct imsgbuf *ibuf)
2405 ff5e1f09 2022-07-06 thomas if (imsg_compose(ibuf,
2406 ff5e1f09 2022-07-06 thomas GOT_IMSG_GOTCONFIG_SIGNERID_REQUEST, 0, 0, -1, NULL, 0) == -1)
2407 ff5e1f09 2022-07-06 thomas return got_error_from_errno("imsg_compose "
2408 ff5e1f09 2022-07-06 thomas "GOTCONFIG_SIGNERID_REQUEST");
2410 ff5e1f09 2022-07-06 thomas return flush_imsg(ibuf);
2413 ff5e1f09 2022-07-06 thomas const struct got_error *
2414 257add31 2020-09-09 stsp got_privsep_send_gotconfig_remotes_req(struct imsgbuf *ibuf)
2416 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2417 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2418 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2419 257add31 2020-09-09 stsp "GOTCONFIG_REMOTE_REQUEST");
2421 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2424 257add31 2020-09-09 stsp const struct got_error *
2425 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_str(char **str, struct imsgbuf *ibuf)
2427 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2428 257add31 2020-09-09 stsp struct imsg imsg;
2429 257add31 2020-09-09 stsp size_t datalen;
2431 257add31 2020-09-09 stsp *str = NULL;
2433 12a8238e 2022-06-23 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2435 257add31 2020-09-09 stsp return err;
2436 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2438 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2439 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_STR_VAL:
2440 257add31 2020-09-09 stsp if (datalen == 0)
2442 fcbb06bf 2023-01-14 thomas *str = strndup(imsg.data, datalen);
2443 257add31 2020-09-09 stsp if (*str == NULL) {
2444 fcbb06bf 2023-01-14 thomas err = got_error_from_errno("strndup");
2449 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2453 257add31 2020-09-09 stsp imsg_free(&imsg);
2454 257add31 2020-09-09 stsp return err;
2457 257add31 2020-09-09 stsp const struct got_error *
2458 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_remotes(struct got_remote_repo **remotes,
2459 257add31 2020-09-09 stsp int *nremotes, struct imsgbuf *ibuf)
2461 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2462 257add31 2020-09-09 stsp struct imsg imsg;
2463 257add31 2020-09-09 stsp size_t datalen;
2464 257add31 2020-09-09 stsp struct got_imsg_remotes iremotes;
2465 257add31 2020-09-09 stsp struct got_imsg_remote iremote;
2466 257add31 2020-09-09 stsp const size_t min_datalen =
2467 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremotes));
2469 257add31 2020-09-09 stsp *remotes = NULL;
2470 257add31 2020-09-09 stsp *nremotes = 0;
2471 257add31 2020-09-09 stsp iremotes.nremotes = 0;
2473 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2475 257add31 2020-09-09 stsp return err;
2476 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2478 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2479 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTES:
2480 257add31 2020-09-09 stsp if (datalen != sizeof(iremotes)) {
2481 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2484 257add31 2020-09-09 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2485 31d32634 2022-06-23 thomas if (iremotes.nremotes < 0) {
2486 31d32634 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2489 257add31 2020-09-09 stsp if (iremotes.nremotes == 0) {
2490 257add31 2020-09-09 stsp imsg_free(&imsg);
2491 257add31 2020-09-09 stsp return NULL;
2495 257add31 2020-09-09 stsp imsg_free(&imsg);
2496 257add31 2020-09-09 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2499 257add31 2020-09-09 stsp imsg_free(&imsg);
2501 257add31 2020-09-09 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2502 257add31 2020-09-09 stsp if (*remotes == NULL)
2503 257add31 2020-09-09 stsp return got_error_from_errno("recallocarray");
2505 257add31 2020-09-09 stsp while (*nremotes < iremotes.nremotes) {
2506 257add31 2020-09-09 stsp struct got_remote_repo *remote;
2507 257add31 2020-09-09 stsp const size_t min_datalen =
2508 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremote));
2511 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2514 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2516 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2517 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTE:
2518 257add31 2020-09-09 stsp remote = &(*remotes)[*nremotes];
2519 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2520 257add31 2020-09-09 stsp if (datalen < sizeof(iremote)) {
2521 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2524 257add31 2020-09-09 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2525 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2526 6480c871 2021-08-30 stsp (iremote.fetch_url_len == 0 &&
2527 6480c871 2021-08-30 stsp iremote.send_url_len == 0) ||
2528 257add31 2020-09-09 stsp (sizeof(iremote) + iremote.name_len +
2529 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) >
2530 6480c871 2021-08-30 stsp datalen) {
2531 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2534 257add31 2020-09-09 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2535 257add31 2020-09-09 stsp iremote.name_len);
2536 257add31 2020-09-09 stsp if (remote->name == NULL) {
2537 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2540 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data +
2541 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len,
2542 6480c871 2021-08-30 stsp iremote.fetch_url_len);
2543 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2544 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2545 6480c871 2021-08-30 stsp free_remote_data(remote);
2548 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data +
2549 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len +
2550 6480c871 2021-08-30 stsp iremote.fetch_url_len, iremote.send_url_len);
2551 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2552 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2553 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2556 257add31 2020-09-09 stsp remote->mirror_references = iremote.mirror_references;
2557 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2558 6480c871 2021-08-30 stsp if (iremote.nfetch_branches > 0) {
2559 6480c871 2021-08-30 stsp remote->fetch_branches = recallocarray(NULL, 0,
2560 6480c871 2021-08-30 stsp iremote.nfetch_branches, sizeof(char *));
2561 6480c871 2021-08-30 stsp if (remote->fetch_branches == NULL) {
2562 b8adfa55 2020-09-25 stsp err = got_error_from_errno("calloc");
2563 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2567 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2568 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_branches; i++) {
2569 b8adfa55 2020-09-25 stsp char *branch;
2570 b8adfa55 2020-09-25 stsp err = got_privsep_recv_gotconfig_str(&branch,
2572 b8adfa55 2020-09-25 stsp if (err) {
2573 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2574 b8adfa55 2020-09-25 stsp goto done;
2576 6480c871 2021-08-30 stsp remote->fetch_branches[i] = branch;
2577 6480c871 2021-08-30 stsp remote->nfetch_branches++;
2579 6480c871 2021-08-30 stsp if (iremote.nsend_branches > 0) {
2580 6480c871 2021-08-30 stsp remote->send_branches = recallocarray(NULL, 0,
2581 6480c871 2021-08-30 stsp iremote.nsend_branches, sizeof(char *));
2582 6480c871 2021-08-30 stsp if (remote->send_branches == NULL) {
2583 99495ddb 2021-01-10 stsp err = got_error_from_errno("calloc");
2584 99495ddb 2021-01-10 stsp free_remote_data(remote);
2588 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2589 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nsend_branches; i++) {
2590 6480c871 2021-08-30 stsp char *branch;
2591 6480c871 2021-08-30 stsp err = got_privsep_recv_gotconfig_str(&branch,
2593 6480c871 2021-08-30 stsp if (err) {
2594 6480c871 2021-08-30 stsp free_remote_data(remote);
2595 6480c871 2021-08-30 stsp goto done;
2597 6480c871 2021-08-30 stsp remote->send_branches[i] = branch;
2598 6480c871 2021-08-30 stsp remote->nsend_branches++;
2600 6480c871 2021-08-30 stsp if (iremote.nfetch_refs > 0) {
2601 6480c871 2021-08-30 stsp remote->fetch_refs = recallocarray(NULL, 0,
2602 6480c871 2021-08-30 stsp iremote.nfetch_refs, sizeof(char *));
2603 6480c871 2021-08-30 stsp if (remote->fetch_refs == NULL) {
2604 6480c871 2021-08-30 stsp err = got_error_from_errno("calloc");
2605 6480c871 2021-08-30 stsp free_remote_data(remote);
2609 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2610 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_refs; i++) {
2611 99495ddb 2021-01-10 stsp char *ref;
2612 99495ddb 2021-01-10 stsp err = got_privsep_recv_gotconfig_str(&ref,
2614 99495ddb 2021-01-10 stsp if (err) {
2615 99495ddb 2021-01-10 stsp free_remote_data(remote);
2616 99495ddb 2021-01-10 stsp goto done;
2618 6480c871 2021-08-30 stsp remote->fetch_refs[i] = ref;
2619 6480c871 2021-08-30 stsp remote->nfetch_refs++;
2621 257add31 2020-09-09 stsp (*nremotes)++;
2624 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2628 257add31 2020-09-09 stsp imsg_free(&imsg);
2633 257add31 2020-09-09 stsp if (err) {
2635 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2636 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2637 257add31 2020-09-09 stsp free(*remotes);
2638 257add31 2020-09-09 stsp *remotes = NULL;
2639 257add31 2020-09-09 stsp *nremotes = 0;
2641 257add31 2020-09-09 stsp return err;
2644 257add31 2020-09-09 stsp const struct got_error *
2645 ca6e02ac 2020-01-07 stsp got_privsep_send_commit_traversal_request(struct imsgbuf *ibuf,
2646 abc59930 2021-09-05 naddy struct got_object_id *id, int idx, const char *path)
2648 ca6e02ac 2020-01-07 stsp struct ibuf *wbuf;
2649 a578d6ec 2023-03-01 thomas size_t path_len = strlen(path);
2651 ca6e02ac 2020-01-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_COMMIT_TRAVERSAL_REQUEST, 0, 0,
2652 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_traversal_request) + path_len);
2653 ca6e02ac 2020-01-07 stsp if (wbuf == NULL)
2654 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
2655 ca6e02ac 2020-01-07 stsp "imsg_create COMMIT_TRAVERSAL_REQUEST");
2657 a578d6ec 2023-03-01 thomas * Keep in sync with struct got_imsg_commit_traversal_request
2658 a578d6ec 2023-03-01 thomas * and struct got_imsg_packed_object.
2660 a578d6ec 2023-03-01 thomas if (imsg_add(wbuf, id, sizeof(*id)) == -1)
2661 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add "
2662 e9f1a409 2022-05-19 thomas "COMMIT_TRAVERSAL_REQUEST");
2663 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &idx, sizeof(idx)) == -1)
2664 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add "
2665 e9f1a409 2022-05-19 thomas "COMMIT_TRAVERSAL_REQUEST");
2666 a578d6ec 2023-03-01 thomas if (imsg_add(wbuf, &path_len, sizeof(path_len)) == -1)
2667 a578d6ec 2023-03-01 thomas return got_error_from_errno("imsg_add "
2668 a578d6ec 2023-03-01 thomas "COMMIT_TRAVERSAL_REQUEST");
2669 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, path, path_len) == -1)
2670 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add "
2671 e9f1a409 2022-05-19 thomas "COMMIT_TRAVERSAL_REQUEST");
2673 ca6e02ac 2020-01-07 stsp wbuf->fd = -1;
2674 ca6e02ac 2020-01-07 stsp imsg_close(ibuf, wbuf);
2676 ca6e02ac 2020-01-07 stsp return flush_imsg(ibuf);
2679 ca6e02ac 2020-01-07 stsp const struct got_error *
2680 ca6e02ac 2020-01-07 stsp got_privsep_recv_traversed_commits(struct got_commit_object **changed_commit,
2681 ca6e02ac 2020-01-07 stsp struct got_object_id **changed_commit_id,
2682 ca6e02ac 2020-01-07 stsp struct got_object_id_queue *commit_ids, struct imsgbuf *ibuf)
2684 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
2685 ca6e02ac 2020-01-07 stsp struct imsg imsg;
2686 ca6e02ac 2020-01-07 stsp struct got_imsg_traversed_commits *icommits;
2687 35cdfa2c 2023-02-20 thomas struct got_object_id *ids;
2688 ca6e02ac 2020-01-07 stsp size_t datalen;
2689 ca6e02ac 2020-01-07 stsp int i, done = 0;
2691 ca6e02ac 2020-01-07 stsp *changed_commit = NULL;
2692 ca6e02ac 2020-01-07 stsp *changed_commit_id = NULL;
2694 ca6e02ac 2020-01-07 stsp while (!done) {
2695 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2697 ca6e02ac 2020-01-07 stsp return err;
2699 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2700 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
2701 ca6e02ac 2020-01-07 stsp case GOT_IMSG_TRAVERSED_COMMITS:
2702 ca6e02ac 2020-01-07 stsp icommits = imsg.data;
2703 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommits) +
2704 35cdfa2c 2023-02-20 thomas icommits->ncommits * sizeof(*ids)) {
2705 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2708 35cdfa2c 2023-02-20 thomas ids = imsg.data + sizeof(*icommits);
2709 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommits->ncommits; i++) {
2710 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
2712 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
2715 35cdfa2c 2023-02-20 thomas memcpy(&qid->id, &ids[i], sizeof(ids[i]));
2716 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(commit_ids, qid, entry);
2718 ca6e02ac 2020-01-07 stsp /* The last commit may contain a change. */
2719 ca6e02ac 2020-01-07 stsp if (i == icommits->ncommits - 1) {
2720 ca6e02ac 2020-01-07 stsp *changed_commit_id =
2721 ec242592 2022-04-22 thomas got_object_id_dup(&qid->id);
2722 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2723 ca6e02ac 2020-01-07 stsp err = got_error_from_errno(
2724 ca6e02ac 2020-01-07 stsp "got_object_id_dup");
2730 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
2731 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2732 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2735 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(changed_commit, &imsg,
2736 ca6e02ac 2020-01-07 stsp datalen, ibuf);
2738 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT_TRAVERSAL_DONE:
2742 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2746 ca6e02ac 2020-01-07 stsp imsg_free(&imsg);
2752 ca6e02ac 2020-01-07 stsp got_object_id_queue_free(commit_ids);
2753 ca6e02ac 2020-01-07 stsp return err;
2756 63915ee5 2022-06-23 thomas const struct got_error *
2757 63915ee5 2022-06-23 thomas got_privsep_send_enumerated_tree(size_t *totlen, struct imsgbuf *ibuf,
2758 63915ee5 2022-06-23 thomas struct got_object_id *tree_id, const char *path,
2759 63915ee5 2022-06-23 thomas struct got_parsed_tree_entry *entries, int nentries)
2761 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
2762 63915ee5 2022-06-23 thomas struct ibuf *wbuf;
2763 63915ee5 2022-06-23 thomas size_t path_len = strlen(path);
2764 63915ee5 2022-06-23 thomas size_t msglen;
2766 63915ee5 2022-06-23 thomas msglen = sizeof(struct got_imsg_enumerated_tree) + path_len;
2767 63915ee5 2022-06-23 thomas wbuf = imsg_create(ibuf, GOT_IMSG_ENUMERATED_TREE, 0, 0, msglen);
2768 63915ee5 2022-06-23 thomas if (wbuf == NULL)
2769 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_create ENUMERATED_TREE");
2771 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, tree_id->sha1, SHA1_DIGEST_LENGTH) == -1)
2772 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_TREE");
2773 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, &nentries, sizeof(nentries)) == -1)
2774 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_TREE");
2775 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, path, path_len) == -1)
2776 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_TREE");
2778 63915ee5 2022-06-23 thomas wbuf->fd = -1;
2779 63915ee5 2022-06-23 thomas imsg_close(ibuf, wbuf);
2781 63915ee5 2022-06-23 thomas if (entries) {
2782 63915ee5 2022-06-23 thomas err = send_tree_entries(ibuf, entries, nentries);
2783 63915ee5 2022-06-23 thomas if (err)
2784 63915ee5 2022-06-23 thomas return err;
2787 63915ee5 2022-06-23 thomas return flush_imsg(ibuf);
2790 f9c2e8e5 2022-02-13 thomas const struct got_error *
2791 63915ee5 2022-06-23 thomas got_privsep_send_object_enumeration_request(struct imsgbuf *ibuf)
2793 63915ee5 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_REQUEST,
2794 63915ee5 2022-06-23 thomas 0, 0, -1, NULL, 0) == -1)
2795 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_compose "
2796 63915ee5 2022-06-23 thomas "OBJECT_ENUMERATION_REQUEST");
2798 63915ee5 2022-06-23 thomas return flush_imsg(ibuf);
2801 63915ee5 2022-06-23 thomas const struct got_error *
2802 63915ee5 2022-06-23 thomas got_privsep_send_object_enumeration_done(struct imsgbuf *ibuf)
2804 63915ee5 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_DONE,
2805 63915ee5 2022-06-23 thomas 0, 0, -1, NULL, 0) == -1)
2806 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_compose "
2807 63915ee5 2022-06-23 thomas "OBJECT_ENUMERATION_DONE");
2809 63915ee5 2022-06-23 thomas return flush_imsg(ibuf);
2812 63915ee5 2022-06-23 thomas const struct got_error *
2813 e71f1e62 2022-06-23 thomas got_privsep_send_object_enumeration_incomplete(struct imsgbuf *ibuf)
2815 e71f1e62 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_INCOMPLETE,
2816 e71f1e62 2022-06-23 thomas 0, 0, -1, NULL, 0) == -1)
2817 e71f1e62 2022-06-23 thomas return got_error_from_errno("imsg_compose "
2818 e71f1e62 2022-06-23 thomas "OBJECT_ENUMERATION_INCOMPLETE");
2820 e71f1e62 2022-06-23 thomas return flush_imsg(ibuf);
2823 e71f1e62 2022-06-23 thomas const struct got_error *
2824 63915ee5 2022-06-23 thomas got_privsep_send_enumerated_commit(struct imsgbuf *ibuf,
2825 63915ee5 2022-06-23 thomas struct got_object_id *id, time_t mtime)
2827 63915ee5 2022-06-23 thomas struct ibuf *wbuf;
2829 63915ee5 2022-06-23 thomas wbuf = imsg_create(ibuf, GOT_IMSG_ENUMERATED_COMMIT, 0, 0,
2830 63915ee5 2022-06-23 thomas sizeof(struct got_imsg_enumerated_commit) + SHA1_DIGEST_LENGTH);
2831 63915ee5 2022-06-23 thomas if (wbuf == NULL)
2832 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_create ENUMERATED_COMMIT");
2834 63915ee5 2022-06-23 thomas /* Keep in sync with struct got_imsg_enumerated_commit! */
2835 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, id, SHA1_DIGEST_LENGTH) == -1)
2836 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_COMMIT");
2837 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, &mtime, sizeof(mtime)) == -1)
2838 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_COMMIT");
2840 63915ee5 2022-06-23 thomas wbuf->fd = -1;
2841 63915ee5 2022-06-23 thomas imsg_close(ibuf, wbuf);
2842 63915ee5 2022-06-23 thomas /* Don't flush yet, tree entries or ENUMERATION_DONE will follow. */
2843 63915ee5 2022-06-23 thomas return NULL;
2846 63915ee5 2022-06-23 thomas const struct got_error *
2847 e71f1e62 2022-06-23 thomas got_privsep_recv_enumerated_objects(int *found_all_objects,
2848 e71f1e62 2022-06-23 thomas struct imsgbuf *ibuf,
2849 63915ee5 2022-06-23 thomas got_object_enumerate_commit_cb cb_commit,
2850 63915ee5 2022-06-23 thomas got_object_enumerate_tree_cb cb_tree, void *cb_arg,
2851 63915ee5 2022-06-23 thomas struct got_repository *repo)
2853 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
2854 63915ee5 2022-06-23 thomas struct imsg imsg;
2855 63915ee5 2022-06-23 thomas struct got_imsg_enumerated_commit *icommit = NULL;
2856 63915ee5 2022-06-23 thomas struct got_object_id commit_id;
2857 63915ee5 2022-06-23 thomas int have_commit = 0;
2858 63915ee5 2022-06-23 thomas time_t mtime = 0;
2859 63915ee5 2022-06-23 thomas struct got_tree_object tree;
2860 63915ee5 2022-06-23 thomas struct got_imsg_enumerated_tree *itree;
2861 63915ee5 2022-06-23 thomas struct got_object_id tree_id;
2862 63915ee5 2022-06-23 thomas char *path = NULL, *canon_path = NULL;
2863 63915ee5 2022-06-23 thomas size_t datalen, path_len;
2864 63915ee5 2022-06-23 thomas int nentries = -1;
2865 63915ee5 2022-06-23 thomas int done = 0;
2867 e71f1e62 2022-06-23 thomas *found_all_objects = 0;
2868 63915ee5 2022-06-23 thomas memset(&tree, 0, sizeof(tree));
2870 63915ee5 2022-06-23 thomas while (!done) {
2871 63915ee5 2022-06-23 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2872 63915ee5 2022-06-23 thomas if (err)
2875 63915ee5 2022-06-23 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2876 63915ee5 2022-06-23 thomas switch (imsg.hdr.type) {
2877 77402035 2022-06-23 thomas case GOT_IMSG_ENUMERATED_COMMIT:
2878 63915ee5 2022-06-23 thomas if (have_commit && nentries != -1) {
2879 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2882 63915ee5 2022-06-23 thomas if (datalen != sizeof(*icommit)) {
2883 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2886 63915ee5 2022-06-23 thomas icommit = (struct got_imsg_enumerated_commit *)imsg.data;
2887 63915ee5 2022-06-23 thomas memcpy(commit_id.sha1, icommit->id, SHA1_DIGEST_LENGTH);
2888 63915ee5 2022-06-23 thomas mtime = icommit->mtime;
2889 63915ee5 2022-06-23 thomas have_commit = 1;
2891 63915ee5 2022-06-23 thomas case GOT_IMSG_ENUMERATED_TREE:
2892 63915ee5 2022-06-23 thomas /* Should be preceeded by GOT_IMSG_ENUMERATED_COMMIT. */
2893 63915ee5 2022-06-23 thomas if (!have_commit) {
2894 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2897 63915ee5 2022-06-23 thomas if (datalen < sizeof(*itree)) {
2898 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2901 63915ee5 2022-06-23 thomas itree = imsg.data;
2902 63915ee5 2022-06-23 thomas path_len = datalen - sizeof(*itree);
2903 63915ee5 2022-06-23 thomas if (path_len == 0) {
2904 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2907 63915ee5 2022-06-23 thomas memcpy(tree_id.sha1, itree->id, sizeof(tree_id.sha1));
2908 63915ee5 2022-06-23 thomas free(path);
2909 fcbb06bf 2023-01-14 thomas path = strndup(imsg.data + sizeof(*itree), path_len);
2910 63915ee5 2022-06-23 thomas if (path == NULL) {
2911 fcbb06bf 2023-01-14 thomas err = got_error_from_errno("strndup");
2914 63915ee5 2022-06-23 thomas free(canon_path);
2915 63915ee5 2022-06-23 thomas canon_path = malloc(path_len + 1);
2916 63915ee5 2022-06-23 thomas if (canon_path == NULL) {
2917 63915ee5 2022-06-23 thomas err = got_error_from_errno("malloc");
2920 63915ee5 2022-06-23 thomas if (!got_path_is_absolute(path)) {
2921 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_BAD_PATH);
2924 63915ee5 2022-06-23 thomas if (got_path_is_root_dir(path)) {
2925 63915ee5 2022-06-23 thomas /* XXX check what got_canonpath() does wrong */
2926 63915ee5 2022-06-23 thomas canon_path[0] = '/';
2927 63915ee5 2022-06-23 thomas canon_path[1] = '\0';
2928 63915ee5 2022-06-23 thomas } else {
2929 63915ee5 2022-06-23 thomas err = got_canonpath(path, canon_path,
2930 63915ee5 2022-06-23 thomas path_len + 1);
2931 63915ee5 2022-06-23 thomas if (err)
2934 63915ee5 2022-06-23 thomas if (strcmp(path, canon_path) != 0) {
2935 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_BAD_PATH);
2938 63915ee5 2022-06-23 thomas if (nentries != -1) {
2939 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2942 63915ee5 2022-06-23 thomas if (itree->nentries < -1) {
2943 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2946 63915ee5 2022-06-23 thomas if (itree->nentries == -1) {
2947 63915ee5 2022-06-23 thomas /* Tree was not found in pack file. */
2948 63915ee5 2022-06-23 thomas err = cb_tree(cb_arg, NULL, mtime, &tree_id,
2949 63915ee5 2022-06-23 thomas path, repo);
2952 63915ee5 2022-06-23 thomas if (itree->nentries > INT_MAX) {
2953 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2956 63915ee5 2022-06-23 thomas tree.entries = calloc(itree->nentries,
2957 63915ee5 2022-06-23 thomas sizeof(struct got_tree_entry));
2958 63915ee5 2022-06-23 thomas if (tree.entries == NULL) {
2959 63915ee5 2022-06-23 thomas err = got_error_from_errno("calloc");
2962 63915ee5 2022-06-23 thomas if (itree->nentries == 0) {
2963 63915ee5 2022-06-23 thomas err = cb_tree(cb_arg, &tree, mtime, &tree_id,
2964 63915ee5 2022-06-23 thomas path, repo);
2965 63915ee5 2022-06-23 thomas if (err)
2968 63915ee5 2022-06-23 thomas /* Prepare for next tree. */
2969 63915ee5 2022-06-23 thomas free(tree.entries);
2970 63915ee5 2022-06-23 thomas memset(&tree, 0, sizeof(tree));
2971 63915ee5 2022-06-23 thomas nentries = -1;
2972 63915ee5 2022-06-23 thomas } else {
2973 63915ee5 2022-06-23 thomas tree.nentries = itree->nentries;
2974 63915ee5 2022-06-23 thomas nentries = 0;
2977 63915ee5 2022-06-23 thomas case GOT_IMSG_TREE_ENTRIES:
2978 63915ee5 2022-06-23 thomas /* Should be preceeded by GOT_IMSG_ENUMERATED_TREE. */
2979 63915ee5 2022-06-23 thomas if (nentries <= -1) {
2980 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2983 63915ee5 2022-06-23 thomas err = recv_tree_entries(imsg.data, datalen,
2984 63915ee5 2022-06-23 thomas &tree, &nentries);
2985 63915ee5 2022-06-23 thomas if (err)
2987 63915ee5 2022-06-23 thomas if (tree.nentries == nentries) {
2988 63915ee5 2022-06-23 thomas err = cb_tree(cb_arg, &tree, mtime, &tree_id,
2989 63915ee5 2022-06-23 thomas path, repo);
2990 63915ee5 2022-06-23 thomas if (err)
2993 63915ee5 2022-06-23 thomas /* Prepare for next tree. */
2994 63915ee5 2022-06-23 thomas free(tree.entries);
2995 63915ee5 2022-06-23 thomas memset(&tree, 0, sizeof(tree));
2996 63915ee5 2022-06-23 thomas nentries = -1;
2999 63915ee5 2022-06-23 thomas case GOT_IMSG_TREE_ENUMERATION_DONE:
3000 63915ee5 2022-06-23 thomas /* All trees have been found and traversed. */
3001 63915ee5 2022-06-23 thomas if (!have_commit || path == NULL || nentries != -1) {
3002 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3005 63915ee5 2022-06-23 thomas err = cb_commit(cb_arg, mtime, &commit_id, repo);
3006 63915ee5 2022-06-23 thomas if (err)
3008 63915ee5 2022-06-23 thomas have_commit = 0;
3010 63915ee5 2022-06-23 thomas case GOT_IMSG_OBJECT_ENUMERATION_DONE:
3011 e71f1e62 2022-06-23 thomas *found_all_objects = 1;
3012 e71f1e62 2022-06-23 thomas done = 1;
3014 e71f1e62 2022-06-23 thomas case GOT_IMSG_OBJECT_ENUMERATION_INCOMPLETE:
3015 63915ee5 2022-06-23 thomas done = 1;
3017 63915ee5 2022-06-23 thomas default:
3018 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3022 63915ee5 2022-06-23 thomas imsg_free(&imsg);
3023 63915ee5 2022-06-23 thomas if (err)
3027 63915ee5 2022-06-23 thomas free(path);
3028 63915ee5 2022-06-23 thomas free(canon_path);
3029 63915ee5 2022-06-23 thomas free(tree.entries);
3030 63915ee5 2022-06-23 thomas return err;
3033 63915ee5 2022-06-23 thomas const struct got_error *
3034 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta_req(struct imsgbuf *ibuf, int idx,
3035 f9c2e8e5 2022-02-13 thomas struct got_object_id *id)
3037 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta_request dreq;
3039 c26ee7ad 2022-06-23 thomas memset(&dreq, 0, sizeof(dreq));
3040 f9c2e8e5 2022-02-13 thomas dreq.idx = idx;
3041 d77295e3 2023-02-03 thomas memcpy(&dreq.id, id, sizeof(dreq.id));
3043 f9c2e8e5 2022-02-13 thomas if (imsg_compose(ibuf, GOT_IMSG_RAW_DELTA_REQUEST, 0, 0, -1,
3044 f9c2e8e5 2022-02-13 thomas &dreq, sizeof(dreq)) == -1)
3045 f9c2e8e5 2022-02-13 thomas return got_error_from_errno("imsg_compose RAW_DELTA_REQUEST");
3047 f9c2e8e5 2022-02-13 thomas return flush_imsg(ibuf);
3050 f9c2e8e5 2022-02-13 thomas const struct got_error *
3051 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta_outfd(struct imsgbuf *ibuf, int fd)
3053 f9c2e8e5 2022-02-13 thomas return send_fd(ibuf, GOT_IMSG_RAW_DELTA_OUTFD, fd);
3056 f9c2e8e5 2022-02-13 thomas const struct got_error *
3057 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta(struct imsgbuf *ibuf, uint64_t base_size,
3058 9249e7e3 2022-05-12 thomas uint64_t result_size, off_t delta_size, off_t delta_compressed_size,
3059 9249e7e3 2022-05-12 thomas off_t delta_offset, off_t delta_out_offset, struct got_object_id *base_id)
3061 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta idelta;
3062 f9c2e8e5 2022-02-13 thomas int ret;
3064 c26ee7ad 2022-06-23 thomas memset(&idelta, 0, sizeof(idelta));
3065 f9c2e8e5 2022-02-13 thomas idelta.base_size = base_size;
3066 f9c2e8e5 2022-02-13 thomas idelta.result_size = result_size;
3067 f9c2e8e5 2022-02-13 thomas idelta.delta_size = delta_size;
3068 9249e7e3 2022-05-12 thomas idelta.delta_compressed_size = delta_compressed_size;
3069 f9c2e8e5 2022-02-13 thomas idelta.delta_offset = delta_offset;
3070 f9c2e8e5 2022-02-13 thomas idelta.delta_out_offset = delta_out_offset;
3071 564a8b01 2023-02-03 thomas memcpy(&idelta.base_id, &base_id, sizeof(idelta.base_id));
3073 f9c2e8e5 2022-02-13 thomas ret = imsg_compose(ibuf, GOT_IMSG_RAW_DELTA, 0, 0, -1,
3074 f9c2e8e5 2022-02-13 thomas &idelta, sizeof(idelta));
3075 f9c2e8e5 2022-02-13 thomas if (ret == -1)
3076 f9c2e8e5 2022-02-13 thomas return got_error_from_errno("imsg_compose RAW_DELTA");
3078 f9c2e8e5 2022-02-13 thomas return flush_imsg(ibuf);
3081 ca6e02ac 2020-01-07 stsp const struct got_error *
3082 f9c2e8e5 2022-02-13 thomas got_privsep_recv_raw_delta(uint64_t *base_size, uint64_t *result_size,
3083 9249e7e3 2022-05-12 thomas off_t *delta_size, off_t *delta_compressed_size, off_t *delta_offset,
3084 dd57e4ab 2023-02-03 thomas off_t *delta_out_offset, struct got_object_id **base_id,
3085 dd57e4ab 2023-02-03 thomas struct imsgbuf *ibuf)
3087 f9c2e8e5 2022-02-13 thomas const struct got_error *err = NULL;
3088 f9c2e8e5 2022-02-13 thomas struct imsg imsg;
3089 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta *delta;
3090 f9c2e8e5 2022-02-13 thomas size_t datalen;
3092 f9c2e8e5 2022-02-13 thomas *base_size = 0;
3093 f9c2e8e5 2022-02-13 thomas *result_size = 0;
3094 f9c2e8e5 2022-02-13 thomas *delta_size = 0;
3095 9249e7e3 2022-05-12 thomas *delta_compressed_size = 0;
3096 f9c2e8e5 2022-02-13 thomas *delta_offset = 0;
3097 f9c2e8e5 2022-02-13 thomas *delta_out_offset = 0;
3098 f9c2e8e5 2022-02-13 thomas *base_id = NULL;
3100 f9c2e8e5 2022-02-13 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3101 f9c2e8e5 2022-02-13 thomas if (err)
3102 f9c2e8e5 2022-02-13 thomas return err;
3104 f9c2e8e5 2022-02-13 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3106 f9c2e8e5 2022-02-13 thomas switch (imsg.hdr.type) {
3107 f9c2e8e5 2022-02-13 thomas case GOT_IMSG_RAW_DELTA:
3108 f9c2e8e5 2022-02-13 thomas if (datalen != sizeof(*delta)) {
3109 f9c2e8e5 2022-02-13 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3112 f9c2e8e5 2022-02-13 thomas delta = imsg.data;
3113 f9c2e8e5 2022-02-13 thomas *base_size = delta->base_size;
3114 f9c2e8e5 2022-02-13 thomas *result_size = delta->result_size;
3115 f9c2e8e5 2022-02-13 thomas *delta_size = delta->delta_size;
3116 9249e7e3 2022-05-12 thomas *delta_compressed_size = delta->delta_compressed_size;
3117 f9c2e8e5 2022-02-13 thomas *delta_offset = delta->delta_offset;
3118 f9c2e8e5 2022-02-13 thomas *delta_out_offset = delta->delta_out_offset;
3119 f9c2e8e5 2022-02-13 thomas *base_id = calloc(1, sizeof(**base_id));
3120 f9c2e8e5 2022-02-13 thomas if (*base_id == NULL) {
3121 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("malloc");
3124 564a8b01 2023-02-03 thomas memcpy(*base_id, &delta->base_id, sizeof(**base_id));
3126 f9c2e8e5 2022-02-13 thomas default:
3127 f9c2e8e5 2022-02-13 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3131 f9c2e8e5 2022-02-13 thomas imsg_free(&imsg);
3133 f9c2e8e5 2022-02-13 thomas if (err) {
3134 f9c2e8e5 2022-02-13 thomas free(*base_id);
3135 f9c2e8e5 2022-02-13 thomas *base_id = NULL;
3137 7d0d4920 2022-05-12 thomas return err;
3140 63915ee5 2022-06-23 thomas static const struct got_error *
3141 63915ee5 2022-06-23 thomas send_idlist(struct imsgbuf *ibuf, struct got_object_id **ids, size_t nids)
3143 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3144 7d0d4920 2022-05-12 thomas struct got_imsg_object_idlist idlist;
3145 7d0d4920 2022-05-12 thomas struct ibuf *wbuf;
3146 7d0d4920 2022-05-12 thomas size_t i;
3148 c26ee7ad 2022-06-23 thomas memset(&idlist, 0, sizeof(idlist));
3150 7d0d4920 2022-05-12 thomas if (nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS)
3151 7d0d4920 2022-05-12 thomas return got_error(GOT_ERR_NO_SPACE);
3153 7d0d4920 2022-05-12 thomas wbuf = imsg_create(ibuf, GOT_IMSG_OBJ_ID_LIST, 0, 0,
3154 7d0d4920 2022-05-12 thomas sizeof(idlist) + nids * sizeof(**ids));
3155 7d0d4920 2022-05-12 thomas if (wbuf == NULL) {
3156 7d0d4920 2022-05-12 thomas err = got_error_from_errno("imsg_create OBJ_ID_LIST");
3157 7d0d4920 2022-05-12 thomas return err;
3160 7d0d4920 2022-05-12 thomas idlist.nids = nids;
3161 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &idlist, sizeof(idlist)) == -1)
3162 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add OBJ_ID_LIST");
3164 7d0d4920 2022-05-12 thomas for (i = 0; i < nids; i++) {
3165 7d0d4920 2022-05-12 thomas struct got_object_id *id = ids[i];
3166 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, id, sizeof(*id)) == -1)
3167 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add OBJ_ID_LIST");
3170 7d0d4920 2022-05-12 thomas wbuf->fd = -1;
3171 7d0d4920 2022-05-12 thomas imsg_close(ibuf, wbuf);
3173 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3176 7d0d4920 2022-05-12 thomas const struct got_error *
3177 63915ee5 2022-06-23 thomas got_privsep_send_object_idlist(struct imsgbuf *ibuf,
3178 63915ee5 2022-06-23 thomas struct got_object_id **ids, size_t nids)
3180 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
3181 63915ee5 2022-06-23 thomas struct got_object_id *idlist[GOT_IMSG_OBJ_ID_LIST_MAX_NIDS];
3182 ef53e23c 2022-06-23 thomas int i, queued = 0;
3184 77402035 2022-06-23 thomas for (i = 0; i < nids; i++) {
3185 ef53e23c 2022-06-23 thomas idlist[i % nitems(idlist)] = ids[i];
3186 ef53e23c 2022-06-23 thomas queued++;
3187 8f3ec65d 2022-06-23 thomas if (queued >= nitems(idlist)) {
3188 ef53e23c 2022-06-23 thomas err = send_idlist(ibuf, idlist, queued);
3189 63915ee5 2022-06-23 thomas if (err)
3190 63915ee5 2022-06-23 thomas return err;
3191 ef53e23c 2022-06-23 thomas queued = 0;
3195 ef53e23c 2022-06-23 thomas if (queued > 0) {
3196 ef53e23c 2022-06-23 thomas err = send_idlist(ibuf, idlist, queued);
3197 63915ee5 2022-06-23 thomas if (err)
3198 63915ee5 2022-06-23 thomas return err;
3201 63915ee5 2022-06-23 thomas return NULL;
3204 63915ee5 2022-06-23 thomas const struct got_error *
3205 7d0d4920 2022-05-12 thomas got_privsep_send_object_idlist_done(struct imsgbuf *ibuf)
3207 7d0d4920 2022-05-12 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJ_ID_LIST_DONE, 0, 0, -1, NULL, 0)
3209 7d0d4920 2022-05-12 thomas return got_error_from_errno("imsg_compose OBJ_ID_LIST_DONE");
3211 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3214 7d0d4920 2022-05-12 thomas const struct got_error *
3215 7d0d4920 2022-05-12 thomas got_privsep_recv_object_idlist(int *done, struct got_object_id **ids,
3216 7d0d4920 2022-05-12 thomas size_t *nids, struct imsgbuf *ibuf)
3218 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3219 7d0d4920 2022-05-12 thomas struct imsg imsg;
3220 7d0d4920 2022-05-12 thomas struct got_imsg_object_idlist *idlist;
3221 7d0d4920 2022-05-12 thomas size_t datalen;
3223 7d0d4920 2022-05-12 thomas *ids = NULL;
3224 7d0d4920 2022-05-12 thomas *done = 0;
3225 7d0d4920 2022-05-12 thomas *nids = 0;
3227 7d0d4920 2022-05-12 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3228 7d0d4920 2022-05-12 thomas if (err)
3229 7d0d4920 2022-05-12 thomas return err;
3231 7d0d4920 2022-05-12 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3232 7d0d4920 2022-05-12 thomas switch (imsg.hdr.type) {
3233 7d0d4920 2022-05-12 thomas case GOT_IMSG_OBJ_ID_LIST:
3234 7d0d4920 2022-05-12 thomas if (datalen < sizeof(*idlist)) {
3235 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3238 7d0d4920 2022-05-12 thomas idlist = imsg.data;
3239 31d32634 2022-06-23 thomas if (idlist->nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS ||
3240 31d32634 2022-06-23 thomas idlist->nids * sizeof(**ids) > datalen - sizeof(*idlist)) {
3241 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3244 7d0d4920 2022-05-12 thomas *nids = idlist->nids;
3245 7d0d4920 2022-05-12 thomas *ids = calloc(*nids, sizeof(**ids));
3246 7d0d4920 2022-05-12 thomas if (*ids == NULL) {
3247 7d0d4920 2022-05-12 thomas err = got_error_from_errno("calloc");
3250 623d55de 2022-06-23 thomas memcpy(*ids, (uint8_t *)imsg.data + sizeof(*idlist),
3251 7d0d4920 2022-05-12 thomas *nids * sizeof(**ids));
3253 7d0d4920 2022-05-12 thomas case GOT_IMSG_OBJ_ID_LIST_DONE:
3254 7d0d4920 2022-05-12 thomas *done = 1;
3256 7d0d4920 2022-05-12 thomas default:
3257 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3261 7d0d4920 2022-05-12 thomas imsg_free(&imsg);
3263 7d0d4920 2022-05-12 thomas return err;
3266 7d0d4920 2022-05-12 thomas const struct got_error *
3267 7d0d4920 2022-05-12 thomas got_privsep_send_delta_reuse_req(struct imsgbuf *ibuf)
3269 7d0d4920 2022-05-12 thomas if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_REQUEST, 0, 0, -1, NULL, 0)
3271 7d0d4920 2022-05-12 thomas return got_error_from_errno("imsg_compose DELTA_REUSE_REQUEST");
3273 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3276 7d0d4920 2022-05-12 thomas const struct got_error *
3277 7d0d4920 2022-05-12 thomas got_privsep_send_reused_deltas(struct imsgbuf *ibuf,
3278 7d0d4920 2022-05-12 thomas struct got_imsg_reused_delta *deltas, size_t ndeltas)
3280 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3281 7d0d4920 2022-05-12 thomas struct ibuf *wbuf;
3282 7d0d4920 2022-05-12 thomas struct got_imsg_reused_deltas ideltas;
3283 7d0d4920 2022-05-12 thomas size_t i;
3285 c26ee7ad 2022-06-23 thomas memset(&ideltas, 0, sizeof(ideltas));
3287 7d0d4920 2022-05-12 thomas if (ndeltas > GOT_IMSG_REUSED_DELTAS_MAX_NDELTAS)
3288 7d0d4920 2022-05-12 thomas return got_error(GOT_ERR_NO_SPACE);
3290 7d0d4920 2022-05-12 thomas wbuf = imsg_create(ibuf, GOT_IMSG_REUSED_DELTAS, 0, 0,
3291 7d0d4920 2022-05-12 thomas sizeof(ideltas) + ndeltas * sizeof(*deltas));
3292 7d0d4920 2022-05-12 thomas if (wbuf == NULL) {
3293 7d0d4920 2022-05-12 thomas err = got_error_from_errno("imsg_create REUSED_DELTAS");
3294 7d0d4920 2022-05-12 thomas return err;
3297 7d0d4920 2022-05-12 thomas ideltas.ndeltas = ndeltas;
3298 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &ideltas, sizeof(ideltas)) == -1)
3299 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add REUSED_DELTAS");
3301 7d0d4920 2022-05-12 thomas for (i = 0; i < ndeltas; i++) {
3302 7d0d4920 2022-05-12 thomas struct got_imsg_reused_delta *delta = &deltas[i];
3303 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, delta, sizeof(*delta)) == -1)
3304 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add REUSED_DELTAS");
3307 7d0d4920 2022-05-12 thomas wbuf->fd = -1;
3308 7d0d4920 2022-05-12 thomas imsg_close(ibuf, wbuf);
3310 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3313 7d0d4920 2022-05-12 thomas const struct got_error *
3314 7d0d4920 2022-05-12 thomas got_privsep_send_reused_deltas_done(struct imsgbuf *ibuf)
3316 7d0d4920 2022-05-12 thomas if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_DONE, 0, 0, -1, NULL, 0)
3318 7d0d4920 2022-05-12 thomas return got_error_from_errno("imsg_compose DELTA_REUSE_DONE");
3320 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3323 7d0d4920 2022-05-12 thomas const struct got_error *
3324 7d0d4920 2022-05-12 thomas got_privsep_recv_reused_deltas(int *done, struct got_imsg_reused_delta *deltas,
3325 7d0d4920 2022-05-12 thomas size_t *ndeltas, struct imsgbuf *ibuf)
3327 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3328 7d0d4920 2022-05-12 thomas struct imsg imsg;
3329 7d0d4920 2022-05-12 thomas struct got_imsg_reused_deltas *ideltas;
3330 7d0d4920 2022-05-12 thomas size_t datalen;
3332 7d0d4920 2022-05-12 thomas *done = 0;
3333 7d0d4920 2022-05-12 thomas *ndeltas = 0;
3335 7d0d4920 2022-05-12 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3336 7d0d4920 2022-05-12 thomas if (err)
3337 7d0d4920 2022-05-12 thomas return err;
3339 7d0d4920 2022-05-12 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3340 7d0d4920 2022-05-12 thomas switch (imsg.hdr.type) {
3341 7d0d4920 2022-05-12 thomas case GOT_IMSG_REUSED_DELTAS:
3342 7d0d4920 2022-05-12 thomas if (datalen < sizeof(*ideltas)) {
3343 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3346 7d0d4920 2022-05-12 thomas ideltas = imsg.data;
3347 31d32634 2022-06-23 thomas if (ideltas->ndeltas > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS ||
3348 31d32634 2022-06-23 thomas ideltas->ndeltas * sizeof(*deltas) >
3349 31d32634 2022-06-23 thomas datalen - sizeof(*ideltas)) {
3350 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3353 7d0d4920 2022-05-12 thomas *ndeltas = ideltas->ndeltas;
3354 623d55de 2022-06-23 thomas memcpy(deltas, (uint8_t *)imsg.data + sizeof(*ideltas),
3355 7d0d4920 2022-05-12 thomas *ndeltas * sizeof(*deltas));
3357 7d0d4920 2022-05-12 thomas case GOT_IMSG_DELTA_REUSE_DONE:
3358 7d0d4920 2022-05-12 thomas *done = 1;
3360 7d0d4920 2022-05-12 thomas default:
3361 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3365 7d0d4920 2022-05-12 thomas imsg_free(&imsg);
3367 ec2b23c5 2022-07-01 thomas return err;
3370 ec2b23c5 2022-07-01 thomas const struct got_error *
3371 ec2b23c5 2022-07-01 thomas got_privsep_init_commit_painting(struct imsgbuf *ibuf)
3373 ec2b23c5 2022-07-01 thomas if (imsg_compose(ibuf, GOT_IMSG_COMMIT_PAINTING_INIT,
3374 ec2b23c5 2022-07-01 thomas 0, 0, -1, NULL, 0)
3376 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_compose "
3377 ec2b23c5 2022-07-01 thomas "COMMIT_PAINTING_INIT");
3379 ec2b23c5 2022-07-01 thomas return flush_imsg(ibuf);
3382 ec2b23c5 2022-07-01 thomas const struct got_error *
3383 ec2b23c5 2022-07-01 thomas got_privsep_send_painting_request(struct imsgbuf *ibuf, int idx,
3384 ec2b23c5 2022-07-01 thomas struct got_object_id *id, intptr_t color)
3386 ec2b23c5 2022-07-01 thomas struct got_imsg_commit_painting_request ireq;
3388 ec2b23c5 2022-07-01 thomas memset(&ireq, 0, sizeof(ireq));
3389 35cdfa2c 2023-02-20 thomas memcpy(&ireq.id, id, sizeof(ireq.id));
3390 ec2b23c5 2022-07-01 thomas ireq.idx = idx;
3391 ec2b23c5 2022-07-01 thomas ireq.color = color;
3393 ec2b23c5 2022-07-01 thomas if (imsg_compose(ibuf, GOT_IMSG_COMMIT_PAINTING_REQUEST, 0, 0, -1,
3394 ec2b23c5 2022-07-01 thomas &ireq, sizeof(ireq)) == -1)
3395 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_compose "
3396 ec2b23c5 2022-07-01 thomas "COMMIT_PAINTING_REQUEST");
3398 ec2b23c5 2022-07-01 thomas return flush_imsg(ibuf);
3401 ec2b23c5 2022-07-01 thomas static const struct got_error *
3402 ec2b23c5 2022-07-01 thomas send_painted_commits(struct got_object_id_queue *ids, int *nids,
3403 ec2b23c5 2022-07-01 thomas size_t remain, int present_in_pack, struct imsgbuf *ibuf)
3405 ec2b23c5 2022-07-01 thomas const struct got_error *err = NULL;
3406 ec2b23c5 2022-07-01 thomas struct ibuf *wbuf = NULL;
3407 ec2b23c5 2022-07-01 thomas struct got_object_qid *qid;
3408 ec2b23c5 2022-07-01 thomas size_t msglen;
3409 ec2b23c5 2022-07-01 thomas int ncommits;
3410 ec2b23c5 2022-07-01 thomas intptr_t color;
3412 ec2b23c5 2022-07-01 thomas msglen = MIN(remain, MAX_IMSGSIZE - IMSG_HEADER_SIZE);
3413 ec2b23c5 2022-07-01 thomas ncommits = (msglen - sizeof(struct got_imsg_painted_commits)) /
3414 ec2b23c5 2022-07-01 thomas sizeof(struct got_imsg_painted_commit);
3416 ec2b23c5 2022-07-01 thomas wbuf = imsg_create(ibuf, GOT_IMSG_PAINTED_COMMITS, 0, 0, msglen);
3417 ec2b23c5 2022-07-01 thomas if (wbuf == NULL) {
3418 ec2b23c5 2022-07-01 thomas err = got_error_from_errno("imsg_create PAINTED_COMMITS");
3419 ec2b23c5 2022-07-01 thomas return err;
3422 ec2b23c5 2022-07-01 thomas /* Keep in sync with struct got_imsg_painted_commits! */
3423 ec2b23c5 2022-07-01 thomas if (imsg_add(wbuf, &ncommits, sizeof(ncommits)) == -1)
3424 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_add PAINTED_COMMITS");
3425 ec2b23c5 2022-07-01 thomas if (imsg_add(wbuf, &present_in_pack, sizeof(present_in_pack)) == -1)
3426 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_add PAINTED_COMMITS");
3428 ec2b23c5 2022-07-01 thomas while (ncommits > 0) {
3429 ec2b23c5 2022-07-01 thomas qid = STAILQ_FIRST(ids);
3430 ec2b23c5 2022-07-01 thomas STAILQ_REMOVE_HEAD(ids, entry);
3431 ec2b23c5 2022-07-01 thomas ncommits--;
3432 ec2b23c5 2022-07-01 thomas (*nids)--;
3433 ec2b23c5 2022-07-01 thomas color = (intptr_t)qid->data;
3435 ec2b23c5 2022-07-01 thomas /* Keep in sync with struct got_imsg_painted_commit! */
3436 ec2b23c5 2022-07-01 thomas if (imsg_add(wbuf, qid->id.sha1, SHA1_DIGEST_LENGTH) == -1)
3437 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_add PAINTED_COMMITS");
3438 ec2b23c5 2022-07-01 thomas if (imsg_add(wbuf, &color, sizeof(color)) == -1)
3439 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_add PAINTED_COMMITS");
3441 ec2b23c5 2022-07-01 thomas got_object_qid_free(qid);
3444 ec2b23c5 2022-07-01 thomas wbuf->fd = -1;
3445 ec2b23c5 2022-07-01 thomas imsg_close(ibuf, wbuf);
3447 ec2b23c5 2022-07-01 thomas return flush_imsg(ibuf);
3450 ec2b23c5 2022-07-01 thomas const struct got_error *
3451 ec2b23c5 2022-07-01 thomas got_privsep_send_painted_commits(struct imsgbuf *ibuf,
3452 ec2b23c5 2022-07-01 thomas struct got_object_id_queue *ids, int *nids,
3453 ec2b23c5 2022-07-01 thomas int present_in_pack, int flush)
3455 ec2b23c5 2022-07-01 thomas const struct got_error *err;
3456 ec2b23c5 2022-07-01 thomas size_t remain;
3458 ec2b23c5 2022-07-01 thomas if (*nids <= 0)
3459 ec2b23c5 2022-07-01 thomas return NULL;
3462 ec2b23c5 2022-07-01 thomas remain = (sizeof(struct got_imsg_painted_commits)) +
3463 ec2b23c5 2022-07-01 thomas *nids * sizeof(struct got_imsg_painted_commit);
3464 ec2b23c5 2022-07-01 thomas if (flush || remain >= MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
3465 ec2b23c5 2022-07-01 thomas err = send_painted_commits(ids, nids, remain,
3466 ec2b23c5 2022-07-01 thomas present_in_pack, ibuf);
3467 ec2b23c5 2022-07-01 thomas if (err)
3468 ec2b23c5 2022-07-01 thomas return err;
3470 ec2b23c5 2022-07-01 thomas } while (flush && *nids > 0);
3472 ec2b23c5 2022-07-01 thomas return NULL;
3475 ec2b23c5 2022-07-01 thomas const struct got_error *
3476 ec2b23c5 2022-07-01 thomas got_privsep_send_painting_commits_done(struct imsgbuf *ibuf)
3478 ec2b23c5 2022-07-01 thomas if (imsg_compose(ibuf, GOT_IMSG_COMMIT_PAINTING_DONE,
3479 ec2b23c5 2022-07-01 thomas 0, 0, -1, NULL, 0)
3481 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_compose "
3482 ec2b23c5 2022-07-01 thomas "COMMIT_PAINTING_DONE");
3484 ec2b23c5 2022-07-01 thomas return flush_imsg(ibuf);
3487 ec2b23c5 2022-07-01 thomas const struct got_error *
3488 ec2b23c5 2022-07-01 thomas got_privsep_recv_painted_commits(struct got_object_id_queue *new_ids,
3489 ec2b23c5 2022-07-01 thomas got_privsep_recv_painted_commit_cb cb, void *cb_arg, struct imsgbuf *ibuf)
3491 ec2b23c5 2022-07-01 thomas const struct got_error *err = NULL;
3492 ec2b23c5 2022-07-01 thomas struct imsg imsg;
3493 ec2b23c5 2022-07-01 thomas struct got_imsg_painted_commits icommits;
3494 ec2b23c5 2022-07-01 thomas struct got_imsg_painted_commit icommit;
3495 ec2b23c5 2022-07-01 thomas size_t datalen;
3498 ec2b23c5 2022-07-01 thomas for (;;) {
3499 ec2b23c5 2022-07-01 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3500 ec2b23c5 2022-07-01 thomas if (err)
3501 ec2b23c5 2022-07-01 thomas return err;
3503 ec2b23c5 2022-07-01 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3504 ec2b23c5 2022-07-01 thomas if (imsg.hdr.type == GOT_IMSG_COMMIT_PAINTING_DONE)
3506 ec2b23c5 2022-07-01 thomas if (imsg.hdr.type != GOT_IMSG_PAINTED_COMMITS)
3507 ec2b23c5 2022-07-01 thomas return got_error(GOT_ERR_PRIVSEP_MSG);
3509 ec2b23c5 2022-07-01 thomas if (datalen < sizeof(icommits))
3510 ec2b23c5 2022-07-01 thomas return got_error(GOT_ERR_PRIVSEP_LEN);
3511 ec2b23c5 2022-07-01 thomas memcpy(&icommits, imsg.data, sizeof(icommits));
3512 ec2b23c5 2022-07-01 thomas if (icommits.ncommits * sizeof(icommit) < icommits.ncommits ||
3513 ec2b23c5 2022-07-01 thomas datalen < sizeof(icommits) +
3514 ec2b23c5 2022-07-01 thomas icommits.ncommits * sizeof(icommit))
3515 ec2b23c5 2022-07-01 thomas return got_error(GOT_ERR_PRIVSEP_LEN);
3517 ec2b23c5 2022-07-01 thomas for (i = 0; i < icommits.ncommits; i++) {
3518 ec2b23c5 2022-07-01 thomas memcpy(&icommit,
3519 ec2b23c5 2022-07-01 thomas (uint8_t *)imsg.data + sizeof(icommits) + i * sizeof(icommit),
3520 ec2b23c5 2022-07-01 thomas sizeof(icommit));
3522 ec2b23c5 2022-07-01 thomas if (icommits.present_in_pack) {
3523 ec2b23c5 2022-07-01 thomas struct got_object_id id;
3524 ec2b23c5 2022-07-01 thomas memcpy(id.sha1, icommit.id, SHA1_DIGEST_LENGTH);
3525 ec2b23c5 2022-07-01 thomas err = cb(cb_arg, &id, icommit.color);
3526 ec2b23c5 2022-07-01 thomas if (err)
3528 ec2b23c5 2022-07-01 thomas } else {
3529 ec2b23c5 2022-07-01 thomas struct got_object_qid *qid;
3530 ec2b23c5 2022-07-01 thomas err = got_object_qid_alloc_partial(&qid);
3531 ec2b23c5 2022-07-01 thomas if (err)
3533 ec2b23c5 2022-07-01 thomas memcpy(qid->id.sha1, icommit.id,
3534 ec2b23c5 2022-07-01 thomas SHA1_DIGEST_LENGTH);
3535 ec2b23c5 2022-07-01 thomas qid->data = (void *)icommit.color;
3536 ec2b23c5 2022-07-01 thomas STAILQ_INSERT_TAIL(new_ids, qid, entry);
3540 ec2b23c5 2022-07-01 thomas imsg_free(&imsg);
3543 f9c2e8e5 2022-02-13 thomas return err;
3546 f9c2e8e5 2022-02-13 thomas const struct got_error *
3547 63219cd2 2019-01-04 stsp got_privsep_unveil_exec_helpers(void)
3549 c39c25dd 2019-08-09 stsp const char *helpers[] = {
3550 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_PACK,
3551 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_OBJECT,
3552 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_COMMIT,
3553 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TREE,
3554 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_BLOB,
3555 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TAG,
3556 aba9c984 2019-09-08 stsp GOT_PATH_PROG_READ_GITCONFIG,
3557 257add31 2020-09-09 stsp GOT_PATH_PROG_READ_GOTCONFIG,
3558 069bbb86 2022-03-07 thomas GOT_PATH_PROG_READ_PATCH,
3559 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_FETCH_PACK,
3560 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_INDEX_PACK,
3561 f8a36e22 2021-08-26 stsp GOT_PATH_PROG_SEND_PACK,
3565 c39c25dd 2019-08-09 stsp for (i = 0; i < nitems(helpers); i++) {
3566 c39c25dd 2019-08-09 stsp if (unveil(helpers[i], "x") == 0)
3568 c39c25dd 2019-08-09 stsp return got_error_from_errno2("unveil", helpers[i]);
3571 63219cd2 2019-01-04 stsp return NULL;
3575 aba9c984 2019-09-08 stsp got_privsep_exec_child(int imsg_fds[2], const char *path, const char *repo_path)
3577 08578a35 2021-01-22 stsp if (close(imsg_fds[0]) == -1) {
3578 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3582 aba9c984 2019-09-08 stsp if (dup2(imsg_fds[1], GOT_IMSG_FD_CHILD) == -1) {
3583 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3587 ce95518e 2021-12-10 thomas closefrom(GOT_IMSG_FD_CHILD + 1);
3589 aba9c984 2019-09-08 stsp if (execl(path, path, repo_path, (char *)NULL) == -1) {
3590 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s: %s\n", getprogname(), path,
3591 aba9c984 2019-09-08 stsp strerror(errno));
