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 81a12da5 2020-09-09 naddy #include <unistd.h>
33 2178c42e 2018-04-22 stsp #include <zlib.h>
35 dd038bc6 2021-09-21 thomas.ad #include "got_compat.h"
37 2178c42e 2018-04-22 stsp #include "got_object.h"
38 2178c42e 2018-04-22 stsp #include "got_error.h"
39 3022d272 2019-11-14 stsp #include "got_path.h"
40 cd95becd 2019-11-29 stsp #include "got_repository.h"
42 2178c42e 2018-04-22 stsp #include "got_lib_sha1.h"
43 2178c42e 2018-04-22 stsp #include "got_lib_delta.h"
44 63581804 2018-07-09 stsp #include "got_lib_inflate.h"
45 2178c42e 2018-04-22 stsp #include "got_lib_object.h"
46 a440fac0 2018-09-06 stsp #include "got_lib_object_parse.h"
47 2178c42e 2018-04-22 stsp #include "got_lib_privsep.h"
48 876c234b 2018-09-10 stsp #include "got_lib_pack.h"
49 3efd8e31 2022-10-23 thomas #include "got_lib_poll.h"
51 ef20f542 2022-06-26 thomas #include "got_privsep.h"
54 2178c42e 2018-04-22 stsp #define MIN(_a,_b) ((_a) < (_b) ? (_a) : (_b))
57 c39c25dd 2019-08-09 stsp #ifndef nitems
58 c39c25dd 2019-08-09 stsp #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
61 2178c42e 2018-04-22 stsp static const struct got_error *
62 e033d803 2018-04-23 stsp read_imsg(struct imsgbuf *ibuf)
64 fe36cf76 2018-04-23 stsp const struct got_error *err;
67 3efd8e31 2022-10-23 thomas err = got_poll_fd(ibuf->fd, POLLIN, INFTIM);
68 3efd8e31 2022-10-23 thomas if (err) {
69 3efd8e31 2022-10-23 thomas if (err->code == GOT_ERR_EOF)
70 3efd8e31 2022-10-23 thomas return got_error(GOT_ERR_PRIVSEP_PIPE);
71 ff470224 2022-05-19 thomas return err;
74 fe36cf76 2018-04-23 stsp n = imsg_read(ibuf);
75 fe36cf76 2018-04-23 stsp if (n == -1) {
76 fe36cf76 2018-04-23 stsp if (errno == EAGAIN) /* Could be a file-descriptor leak. */
77 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_NO_FD);
78 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_READ);
81 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_PIPE);
83 e033d803 2018-04-23 stsp return NULL;
86 ad242220 2018-09-08 stsp const struct got_error *
87 876c234b 2018-09-10 stsp got_privsep_wait_for_child(pid_t pid)
89 876c234b 2018-09-10 stsp int child_status;
91 2cb49fa8 2019-05-10 stsp if (waitpid(pid, &child_status, 0) == -1)
92 638f9024 2019-05-13 stsp return got_error_from_errno("waitpid");
94 876c234b 2018-09-10 stsp if (!WIFEXITED(child_status))
95 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_DIED);
97 876c234b 2018-09-10 stsp if (WEXITSTATUS(child_status) != 0)
98 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_EXIT);
100 876c234b 2018-09-10 stsp return NULL;
103 73b7854a 2018-11-11 stsp static const struct got_error *
104 73b7854a 2018-11-11 stsp recv_imsg_error(struct imsg *imsg, size_t datalen)
106 73b7854a 2018-11-11 stsp struct got_imsg_error *ierr;
108 73b7854a 2018-11-11 stsp if (datalen != sizeof(*ierr))
109 73b7854a 2018-11-11 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
111 73b7854a 2018-11-11 stsp ierr = imsg->data;
112 73b7854a 2018-11-11 stsp if (ierr->code == GOT_ERR_ERRNO) {
113 73b7854a 2018-11-11 stsp static struct got_error serr;
114 73b7854a 2018-11-11 stsp serr.code = GOT_ERR_ERRNO;
115 73b7854a 2018-11-11 stsp serr.msg = strerror(ierr->errno_code);
116 73b7854a 2018-11-11 stsp return &serr;
119 73b7854a 2018-11-11 stsp return got_error(ierr->code);
122 876c234b 2018-09-10 stsp const struct got_error *
123 46de5bfd 2018-11-11 stsp got_privsep_recv_imsg(struct imsg *imsg, struct imsgbuf *ibuf,
124 46de5bfd 2018-11-11 stsp size_t min_datalen)
126 e033d803 2018-04-23 stsp const struct got_error *err;
129 e033d803 2018-04-23 stsp n = imsg_get(ibuf, imsg);
130 876c234b 2018-09-10 stsp if (n == -1)
131 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_get");
133 876c234b 2018-09-10 stsp while (n == 0) {
134 876c234b 2018-09-10 stsp err = read_imsg(ibuf);
136 876c234b 2018-09-10 stsp return err;
137 876c234b 2018-09-10 stsp n = imsg_get(ibuf, imsg);
138 cbfaaf20 2020-01-06 stsp if (n == -1)
139 cbfaaf20 2020-01-06 stsp return got_error_from_errno("imsg_get");
142 fe36cf76 2018-04-23 stsp if (imsg->hdr.len < IMSG_HEADER_SIZE + min_datalen)
143 c4eae628 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
145 73b7854a 2018-11-11 stsp if (imsg->hdr.type == GOT_IMSG_ERROR) {
146 73b7854a 2018-11-11 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
147 73b7854a 2018-11-11 stsp return recv_imsg_error(imsg, datalen);
150 73b7854a 2018-11-11 stsp return NULL;
153 2178c42e 2018-04-22 stsp /* Attempt to send an error in an imsg. Complain on stderr as a last resort. */
155 2178c42e 2018-04-22 stsp got_privsep_send_error(struct imsgbuf *ibuf, const struct got_error *err)
157 2178c42e 2018-04-22 stsp const struct got_error *poll_err;
158 2178c42e 2018-04-22 stsp struct got_imsg_error ierr;
161 2178c42e 2018-04-22 stsp ierr.code = err->code;
162 2178c42e 2018-04-22 stsp if (err->code == GOT_ERR_ERRNO)
163 2178c42e 2018-04-22 stsp ierr.errno_code = errno;
165 2178c42e 2018-04-22 stsp ierr.errno_code = 0;
166 2178c42e 2018-04-22 stsp ret = imsg_compose(ibuf, GOT_IMSG_ERROR, 0, 0, -1, &ierr, sizeof(ierr));
167 e93cd828 2018-11-11 stsp if (ret == -1) {
168 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_compose: %s\n",
169 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
173 3efd8e31 2022-10-23 thomas poll_err = got_poll_fd(ibuf->fd, POLLOUT, INFTIM);
174 5d43e84d 2018-04-23 stsp if (poll_err) {
175 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": poll: %s\n",
176 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, poll_err->msg);
180 2178c42e 2018-04-22 stsp ret = imsg_flush(ibuf);
181 5d43e84d 2018-04-23 stsp if (ret == -1) {
182 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_flush: %s\n",
183 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
184 e2752401 2022-02-16 thomas imsg_clear(ibuf);
189 e033d803 2018-04-23 stsp static const struct got_error *
190 e033d803 2018-04-23 stsp flush_imsg(struct imsgbuf *ibuf)
192 e033d803 2018-04-23 stsp const struct got_error *err;
194 3efd8e31 2022-10-23 thomas err = got_poll_fd(ibuf->fd, POLLOUT, INFTIM);
196 e033d803 2018-04-23 stsp return err;
198 e2752401 2022-02-16 thomas if (imsg_flush(ibuf) == -1) {
199 e2752401 2022-02-16 thomas imsg_clear(ibuf);
200 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_flush");
203 e033d803 2018-04-23 stsp return NULL;
206 ad242220 2018-09-08 stsp const struct got_error *
207 e70bf110 2020-03-22 stsp got_privsep_flush_imsg(struct imsgbuf *ibuf)
209 e70bf110 2020-03-22 stsp return flush_imsg(ibuf);
212 e70bf110 2020-03-22 stsp const struct got_error *
213 ad242220 2018-09-08 stsp got_privsep_send_stop(int fd)
215 ad242220 2018-09-08 stsp const struct got_error *err = NULL;
216 ad242220 2018-09-08 stsp struct imsgbuf ibuf;
218 ad242220 2018-09-08 stsp imsg_init(&ibuf, fd);
220 ad242220 2018-09-08 stsp if (imsg_compose(&ibuf, GOT_IMSG_STOP, 0, 0, -1, NULL, 0) == -1)
221 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose STOP");
223 ad242220 2018-09-08 stsp err = flush_imsg(&ibuf);
224 ad242220 2018-09-08 stsp return err;
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 const struct got_error *err = NULL;
269 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj iobj;
270 59d1e4a0 2021-03-10 stsp size_t len = sizeof(iobj);
271 59d1e4a0 2021-03-10 stsp struct ibuf *wbuf;
273 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
274 59d1e4a0 2021-03-10 stsp iobj.hdrlen = hdrlen;
275 59d1e4a0 2021-03-10 stsp iobj.size = size;
277 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX)
278 a8591711 2021-06-18 stsp len += (size_t)size + hdrlen;
280 59d1e4a0 2021-03-10 stsp wbuf = imsg_create(ibuf, GOT_IMSG_RAW_OBJECT, 0, 0, len);
281 59d1e4a0 2021-03-10 stsp if (wbuf == NULL) {
282 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_create RAW_OBJECT");
283 59d1e4a0 2021-03-10 stsp return err;
286 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &iobj, sizeof(iobj)) == -1)
287 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add RAW_OBJECT");
289 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
290 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, data, size + hdrlen) == -1)
291 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add RAW_OBJECT");
294 59d1e4a0 2021-03-10 stsp wbuf->fd = -1;
295 59d1e4a0 2021-03-10 stsp imsg_close(ibuf, wbuf);
297 1785f84a 2018-12-23 stsp return flush_imsg(ibuf);
300 1785f84a 2018-12-23 stsp const struct got_error *
301 59d1e4a0 2021-03-10 stsp got_privsep_recv_raw_obj(uint8_t **outbuf, off_t *size, size_t *hdrlen,
302 59d1e4a0 2021-03-10 stsp struct imsgbuf *ibuf)
304 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
305 59d1e4a0 2021-03-10 stsp struct imsg imsg;
306 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj *iobj;
307 59d1e4a0 2021-03-10 stsp size_t datalen;
309 59d1e4a0 2021-03-10 stsp *outbuf = NULL;
311 59d1e4a0 2021-03-10 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
313 59d1e4a0 2021-03-10 stsp return err;
315 59d1e4a0 2021-03-10 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
317 59d1e4a0 2021-03-10 stsp switch (imsg.hdr.type) {
318 59d1e4a0 2021-03-10 stsp case GOT_IMSG_RAW_OBJECT:
319 59d1e4a0 2021-03-10 stsp if (datalen < sizeof(*iobj)) {
320 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
323 59d1e4a0 2021-03-10 stsp iobj = imsg.data;
324 59d1e4a0 2021-03-10 stsp *size = iobj->size;
325 59d1e4a0 2021-03-10 stsp *hdrlen = iobj->hdrlen;
327 59d1e4a0 2021-03-10 stsp if (datalen == sizeof(*iobj)) {
328 59d1e4a0 2021-03-10 stsp /* Data has been written to file descriptor. */
332 31d32634 2022-06-23 thomas if (*size < 0 ||
333 31d32634 2022-06-23 thomas *size + *hdrlen > GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
334 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
338 a8591711 2021-06-18 stsp *outbuf = malloc(*size + *hdrlen);
339 59d1e4a0 2021-03-10 stsp if (*outbuf == NULL) {
340 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("malloc");
343 a8591711 2021-06-18 stsp memcpy(*outbuf, imsg.data + sizeof(*iobj), *size + *hdrlen);
346 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
350 59d1e4a0 2021-03-10 stsp imsg_free(&imsg);
352 59d1e4a0 2021-03-10 stsp return err;
355 59d1e4a0 2021-03-10 stsp const struct got_error *
356 1785f84a 2018-12-23 stsp got_privsep_send_commit_req(struct imsgbuf *ibuf, int fd,
357 1785f84a 2018-12-23 stsp struct got_object_id *id, int pack_idx)
359 41496140 2019-02-21 stsp const struct got_error *err = NULL;
360 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
361 d5c81d44 2021-07-08 stsp void *data;
362 1785f84a 2018-12-23 stsp size_t len;
364 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
365 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* commit is packed */
366 1785f84a 2018-12-23 stsp iobj.idx = pack_idx;
367 b6f67730 2023-02-03 thomas memcpy(&iobj.id, id, sizeof(iobj.id));
368 d5c81d44 2021-07-08 stsp data = &iobj;
369 1785f84a 2018-12-23 stsp len = sizeof(iobj);
372 d5c81d44 2021-07-08 stsp len = sizeof(*id);
375 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_REQUEST, 0, 0, fd, data, len)
377 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT_REQUEST");
379 41496140 2019-02-21 stsp return err;
382 13c729f7 2018-12-24 stsp return flush_imsg(ibuf);
385 13c729f7 2018-12-24 stsp const struct got_error *
386 13c729f7 2018-12-24 stsp got_privsep_send_tree_req(struct imsgbuf *ibuf, int fd,
387 13c729f7 2018-12-24 stsp struct got_object_id *id, int pack_idx)
389 7f358e3b 2019-11-23 stsp struct ibuf *wbuf;
390 d5c81d44 2021-07-08 stsp size_t len;
392 d5c81d44 2021-07-08 stsp if (pack_idx != -1)
393 d5c81d44 2021-07-08 stsp len = sizeof(struct got_imsg_packed_object);
395 d5c81d44 2021-07-08 stsp len = sizeof(*id);
397 7f358e3b 2019-11-23 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_REQUEST, 0, 0, len);
398 7f358e3b 2019-11-23 stsp if (wbuf == NULL)
399 7f358e3b 2019-11-23 stsp return got_error_from_errno("imsg_create TREE_REQUEST");
401 fc842fc8 2023-02-03 thomas if (imsg_add(wbuf, id, sizeof(*id)) == -1)
402 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_REQUEST");
404 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tree is packed */
405 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &pack_idx, sizeof(pack_idx)) == -1)
406 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_REQUEST");
409 7f358e3b 2019-11-23 stsp wbuf->fd = fd;
410 7f358e3b 2019-11-23 stsp imsg_close(ibuf, wbuf);
412 268f7291 2018-12-24 stsp return flush_imsg(ibuf);
415 268f7291 2018-12-24 stsp const struct got_error *
416 268f7291 2018-12-24 stsp got_privsep_send_tag_req(struct imsgbuf *ibuf, int fd,
417 268f7291 2018-12-24 stsp struct got_object_id *id, int pack_idx)
419 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
420 d5c81d44 2021-07-08 stsp void *data;
421 268f7291 2018-12-24 stsp size_t len;
423 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
424 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tag is packed */
425 268f7291 2018-12-24 stsp iobj.idx = pack_idx;
426 b6f67730 2023-02-03 thomas memcpy(&iobj.id, id, sizeof(iobj.id));
427 d5c81d44 2021-07-08 stsp data = &iobj;
428 268f7291 2018-12-24 stsp len = sizeof(iobj);
431 d5c81d44 2021-07-08 stsp len = sizeof(*id);
434 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_REQUEST, 0, 0, fd, data, len)
436 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose TAG_REQUEST");
438 7762fe12 2018-11-05 stsp return flush_imsg(ibuf);
441 7762fe12 2018-11-05 stsp const struct got_error *
442 ebc55e2d 2018-12-24 stsp got_privsep_send_blob_req(struct imsgbuf *ibuf, int infd,
443 ebc55e2d 2018-12-24 stsp struct got_object_id *id, int pack_idx)
445 41496140 2019-02-21 stsp const struct got_error *err = NULL;
446 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
447 d5c81d44 2021-07-08 stsp void *data;
448 ebc55e2d 2018-12-24 stsp size_t len;
450 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
451 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* blob is packed */
452 ebc55e2d 2018-12-24 stsp iobj.idx = pack_idx;
453 b6f67730 2023-02-03 thomas memcpy(&iobj.id, id, sizeof(iobj.id));
454 d5c81d44 2021-07-08 stsp data = &iobj;
455 ebc55e2d 2018-12-24 stsp len = sizeof(iobj);
458 d5c81d44 2021-07-08 stsp len = sizeof(*id);
461 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_REQUEST, 0, 0, infd, data, len)
463 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_REQUEST");
464 41496140 2019-02-21 stsp close(infd);
465 41496140 2019-02-21 stsp return err;
468 55da3778 2018-09-10 stsp return flush_imsg(ibuf);
471 55da3778 2018-09-10 stsp const struct got_error *
472 55da3778 2018-09-10 stsp got_privsep_send_blob_outfd(struct imsgbuf *ibuf, int outfd)
474 41496140 2019-02-21 stsp const struct got_error *err = NULL;
476 ad242220 2018-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_OUTFD, 0, 0, outfd, NULL, 0)
478 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_OUTFD");
479 41496140 2019-02-21 stsp close(outfd);
480 41496140 2019-02-21 stsp return err;
483 3840f4c9 2018-09-12 stsp return flush_imsg(ibuf);
486 73ab1060 2020-03-18 stsp static const struct got_error *
487 73ab1060 2020-03-18 stsp send_fd(struct imsgbuf *ibuf, int imsg_code, int fd)
489 41496140 2019-02-21 stsp const struct got_error *err = NULL;
491 73ab1060 2020-03-18 stsp if (imsg_compose(ibuf, imsg_code, 0, 0, fd, NULL, 0) == -1) {
492 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TMPFD");
494 41496140 2019-02-21 stsp return err;
497 ad242220 2018-09-08 stsp return flush_imsg(ibuf);
500 ad242220 2018-09-08 stsp const struct got_error *
501 73ab1060 2020-03-18 stsp got_privsep_send_tmpfd(struct imsgbuf *ibuf, int fd)
503 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_TMPFD, fd);
506 73ab1060 2020-03-18 stsp const struct got_error *
507 876c234b 2018-09-10 stsp got_privsep_send_obj(struct imsgbuf *ibuf, struct got_object *obj)
509 2178c42e 2018-04-22 stsp struct got_imsg_object iobj;
511 1bb2bba2 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
513 fc842fc8 2023-02-03 thomas memcpy(&iobj.id, &obj->id, sizeof(iobj.id));
514 2178c42e 2018-04-22 stsp iobj.type = obj->type;
515 2178c42e 2018-04-22 stsp iobj.flags = obj->flags;
516 2178c42e 2018-04-22 stsp iobj.hdrlen = obj->hdrlen;
517 2178c42e 2018-04-22 stsp iobj.size = obj->size;
518 c59b3346 2018-09-11 stsp if (iobj.flags & GOT_OBJ_FLAG_PACKED) {
519 876c234b 2018-09-10 stsp iobj.pack_offset = obj->pack_offset;
520 c59b3346 2018-09-11 stsp iobj.pack_idx = obj->pack_idx;
523 2178c42e 2018-04-22 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT, 0, 0, -1, &iobj, sizeof(iobj))
525 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT");
527 c59b3346 2018-09-11 stsp return flush_imsg(ibuf);
530 cfd633c2 2018-09-10 stsp const struct got_error *
531 33501562 2020-03-18 stsp got_privsep_send_fetch_req(struct imsgbuf *ibuf, int fd,
532 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs, int fetch_all_branches,
533 abc59930 2021-09-05 naddy struct got_pathlist_head *wanted_branches,
534 9d0a7ee3 2023-02-07 thomas struct got_pathlist_head *wanted_refs, int list_refs_only,
535 9d0a7ee3 2023-02-07 thomas const char *worktree_branch, int verbosity)
537 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
538 33501562 2020-03-18 stsp struct ibuf *wbuf;
539 84073f62 2023-02-07 thomas size_t len, worktree_branch_len;
540 33501562 2020-03-18 stsp struct got_pathlist_entry *pe;
541 4ba14133 2020-03-20 stsp struct got_imsg_fetch_request fetchreq;
543 84073f62 2023-02-07 thomas if (worktree_branch) {
544 84073f62 2023-02-07 thomas worktree_branch_len = strlen(worktree_branch);
545 84073f62 2023-02-07 thomas len = sizeof(fetchreq) + worktree_branch_len;
547 9d0a7ee3 2023-02-07 thomas len = sizeof(fetchreq);
549 9d0a7ee3 2023-02-07 thomas if (len >= MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
550 9d0a7ee3 2023-02-07 thomas close(fd);
551 9d0a7ee3 2023-02-07 thomas return got_error(GOT_ERR_NO_SPACE);
554 9d0a7ee3 2023-02-07 thomas wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_REQUEST, 0, 0, len);
555 9d0a7ee3 2023-02-07 thomas if (wbuf == NULL)
556 9d0a7ee3 2023-02-07 thomas return got_error_from_errno("imsg_create FETCH_HAVE_REF");
558 4ba14133 2020-03-20 stsp memset(&fetchreq, 0, sizeof(fetchreq));
559 4ba14133 2020-03-20 stsp fetchreq.fetch_all_branches = fetch_all_branches;
560 41b0de12 2020-03-21 stsp fetchreq.list_refs_only = list_refs_only;
561 2690194b 2020-03-21 stsp fetchreq.verbosity = verbosity;
562 9d0a7ee3 2023-02-07 thomas if (worktree_branch != NULL)
563 84073f62 2023-02-07 thomas fetchreq.worktree_branch_len = worktree_branch_len;
564 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, have_refs, entry)
565 4ba14133 2020-03-20 stsp fetchreq.n_have_refs++;
566 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry)
567 4ba14133 2020-03-20 stsp fetchreq.n_wanted_branches++;
568 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry)
569 0e4002ca 2020-03-21 stsp fetchreq.n_wanted_refs++;
570 9d0a7ee3 2023-02-07 thomas if (imsg_add(wbuf, &fetchreq, sizeof(fetchreq)) == -1)
571 9d0a7ee3 2023-02-07 thomas return got_error_from_errno("imsg_add FETCH_REQUEST");
572 9d0a7ee3 2023-02-07 thomas if (worktree_branch) {
573 84073f62 2023-02-07 thomas if (imsg_add(wbuf, worktree_branch, worktree_branch_len) == -1)
574 9d0a7ee3 2023-02-07 thomas return got_error_from_errno("imsg_add FETCH_REQUEST");
576 9d0a7ee3 2023-02-07 thomas wbuf->fd = fd;
577 9d0a7ee3 2023-02-07 thomas imsg_close(ibuf, wbuf);
579 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
582 659e7fbd 2020-03-20 stsp return err;
586 33501562 2020-03-18 stsp TAILQ_FOREACH(pe, have_refs, entry) {
587 33501562 2020-03-18 stsp const char *name = pe->path;
588 33501562 2020-03-18 stsp size_t name_len = pe->path_len;
589 33501562 2020-03-18 stsp struct got_object_id *id = pe->data;
591 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_have_ref) + name_len;
592 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_HAVE_REF, 0, 0, len);
593 4ba14133 2020-03-20 stsp if (wbuf == NULL)
594 4ba14133 2020-03-20 stsp return got_error_from_errno("imsg_create FETCH_HAVE_REF");
596 33501562 2020-03-18 stsp /* Keep in sync with struct got_imsg_fetch_have_ref! */
597 f9f54468 2023-02-03 thomas if (imsg_add(wbuf, id, sizeof(*id)) == -1)
598 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add FETCH_HAVE_REF");
599 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
600 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add FETCH_HAVE_REF");
601 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
602 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add FETCH_HAVE_REF");
604 4ba14133 2020-03-20 stsp wbuf->fd = -1;
605 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
606 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
608 4ba14133 2020-03-20 stsp return err;
611 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry) {
612 4ba14133 2020-03-20 stsp const char *name = pe->path;
613 4ba14133 2020-03-20 stsp size_t name_len = pe->path_len;
615 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_wanted_branch) + name_len;
616 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_BRANCH, 0, 0,
618 4ba14133 2020-03-20 stsp if (wbuf == NULL)
619 4ba14133 2020-03-20 stsp return got_error_from_errno(
620 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_BRANCH");
622 4ba14133 2020-03-20 stsp /* Keep in sync with struct got_imsg_fetch_wanted_branch! */
623 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
624 e9f1a409 2022-05-19 thomas return got_error_from_errno(
625 4ba14133 2020-03-20 stsp "imsg_add FETCH_WANTED_BRANCH");
626 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
627 e9f1a409 2022-05-19 thomas return got_error_from_errno(
628 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_BRANCH");
630 4ba14133 2020-03-20 stsp wbuf->fd = -1;
631 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
632 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
634 4ba14133 2020-03-20 stsp return err;
637 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry) {
638 0e4002ca 2020-03-21 stsp const char *name = pe->path;
639 0e4002ca 2020-03-21 stsp size_t name_len = pe->path_len;
641 0e4002ca 2020-03-21 stsp len = sizeof(struct got_imsg_fetch_wanted_ref) + name_len;
642 0e4002ca 2020-03-21 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_REF, 0, 0,
644 0e4002ca 2020-03-21 stsp if (wbuf == NULL)
645 0e4002ca 2020-03-21 stsp return got_error_from_errno(
646 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_REF");
648 0e4002ca 2020-03-21 stsp /* Keep in sync with struct got_imsg_fetch_wanted_ref! */
649 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
650 e9f1a409 2022-05-19 thomas return got_error_from_errno(
651 0e4002ca 2020-03-21 stsp "imsg_add FETCH_WANTED_REF");
652 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
653 e9f1a409 2022-05-19 thomas return got_error_from_errno(
654 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_REF");
656 0e4002ca 2020-03-21 stsp wbuf->fd = -1;
657 0e4002ca 2020-03-21 stsp imsg_close(ibuf, wbuf);
658 0e4002ca 2020-03-21 stsp err = flush_imsg(ibuf);
660 0e4002ca 2020-03-21 stsp return err;
664 4ba14133 2020-03-20 stsp return NULL;
668 93658fb9 2020-03-18 stsp const struct got_error *
669 f826addf 2020-03-18 stsp got_privsep_send_fetch_outfd(struct imsgbuf *ibuf, int fd)
671 f826addf 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_FETCH_OUTFD, fd);
674 531c3985 2020-03-18 stsp const struct got_error *
675 8f2d01a6 2020-03-18 stsp got_privsep_recv_fetch_progress(int *done, struct got_object_id **id,
676 531c3985 2020-03-18 stsp char **refname, struct got_pathlist_head *symrefs, char **server_progress,
677 1d72a2a0 2020-03-24 stsp off_t *packfile_size, uint8_t *pack_sha1, struct imsgbuf *ibuf)
679 b9f99abf 2020-03-18 stsp const struct got_error *err = NULL;
680 b9f99abf 2020-03-18 stsp struct imsg imsg;
681 b9f99abf 2020-03-18 stsp size_t datalen;
682 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symrefs *isymrefs = NULL;
683 abe0f35f 2020-03-18 stsp size_t n, remain;
688 8f2d01a6 2020-03-18 stsp *id = NULL;
689 b9f99abf 2020-03-18 stsp *refname = NULL;
690 531c3985 2020-03-18 stsp *server_progress = NULL;
691 5a489642 2020-03-19 stsp *packfile_size = 0;
692 1d72a2a0 2020-03-24 stsp memset(pack_sha1, 0, SHA1_DIGEST_LENGTH);
694 531c3985 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
696 b9f99abf 2020-03-18 stsp return err;
698 b9f99abf 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
699 b9f99abf 2020-03-18 stsp switch (imsg.hdr.type) {
700 abe0f35f 2020-03-18 stsp case GOT_IMSG_FETCH_SYMREFS:
701 abe0f35f 2020-03-18 stsp if (datalen < sizeof(*isymrefs)) {
702 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
705 abe0f35f 2020-03-18 stsp if (isymrefs != NULL) {
706 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
709 abe0f35f 2020-03-18 stsp isymrefs = (struct got_imsg_fetch_symrefs *)imsg.data;
710 abe0f35f 2020-03-18 stsp off = sizeof(*isymrefs);
711 abe0f35f 2020-03-18 stsp remain = datalen - off;
712 abe0f35f 2020-03-18 stsp for (n = 0; n < isymrefs->nsymrefs; n++) {
713 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symref *s;
714 abe0f35f 2020-03-18 stsp char *name, *target;
715 abe0f35f 2020-03-18 stsp if (remain < sizeof(struct got_imsg_fetch_symref)) {
716 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
719 abe0f35f 2020-03-18 stsp s = (struct got_imsg_fetch_symref *)(imsg.data + off);
720 abe0f35f 2020-03-18 stsp off += sizeof(*s);
721 abe0f35f 2020-03-18 stsp remain -= sizeof(*s);
722 abe0f35f 2020-03-18 stsp if (remain < s->name_len) {
723 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
726 abe0f35f 2020-03-18 stsp name = strndup(imsg.data + off, s->name_len);
727 abe0f35f 2020-03-18 stsp if (name == NULL) {
728 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
731 abe0f35f 2020-03-18 stsp off += s->name_len;
732 abe0f35f 2020-03-18 stsp remain -= s->name_len;
733 abe0f35f 2020-03-18 stsp if (remain < s->target_len) {
734 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
735 abe0f35f 2020-03-18 stsp free(name);
738 abe0f35f 2020-03-18 stsp target = strndup(imsg.data + off, s->target_len);
739 abe0f35f 2020-03-18 stsp if (target == NULL) {
740 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
741 abe0f35f 2020-03-18 stsp free(name);
744 abe0f35f 2020-03-18 stsp off += s->target_len;
745 abe0f35f 2020-03-18 stsp remain -= s->target_len;
746 abe0f35f 2020-03-18 stsp err = got_pathlist_append(symrefs, name, target);
748 abe0f35f 2020-03-18 stsp free(name);
749 abe0f35f 2020-03-18 stsp free(target);
754 ea7396b9 2020-03-18 stsp case GOT_IMSG_FETCH_REF:
755 9228a15c 2023-02-03 thomas if (datalen <= sizeof(**id)) {
756 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
759 8f2d01a6 2020-03-18 stsp *id = malloc(sizeof(**id));
760 8f2d01a6 2020-03-18 stsp if (*id == NULL) {
761 b9f99abf 2020-03-18 stsp err = got_error_from_errno("malloc");
764 9228a15c 2023-02-03 thomas memcpy(*id, imsg.data, sizeof(**id));
765 9228a15c 2023-02-03 thomas *refname = strndup(imsg.data + sizeof(**id),
766 9228a15c 2023-02-03 thomas datalen - sizeof(**id));
767 b9f99abf 2020-03-18 stsp if (*refname == NULL) {
768 b9f99abf 2020-03-18 stsp err = got_error_from_errno("strndup");
772 531c3985 2020-03-18 stsp case GOT_IMSG_FETCH_SERVER_PROGRESS:
773 531c3985 2020-03-18 stsp if (datalen == 0) {
774 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
777 531c3985 2020-03-18 stsp *server_progress = strndup(imsg.data, datalen);
778 531c3985 2020-03-18 stsp if (*server_progress == NULL) {
779 531c3985 2020-03-18 stsp err = got_error_from_errno("strndup");
782 531c3985 2020-03-18 stsp for (i = 0; i < datalen; i++) {
783 531c3985 2020-03-18 stsp if (!isprint((unsigned char)(*server_progress)[i]) &&
784 531c3985 2020-03-18 stsp !isspace((unsigned char)(*server_progress)[i])) {
785 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
786 531c3985 2020-03-18 stsp free(*server_progress);
787 531c3985 2020-03-18 stsp *server_progress = NULL;
792 d2cdc636 2020-03-18 stsp case GOT_IMSG_FETCH_DOWNLOAD_PROGRESS:
793 d2cdc636 2020-03-18 stsp if (datalen < sizeof(*packfile_size)) {
794 d2cdc636 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
797 d2cdc636 2020-03-18 stsp memcpy(packfile_size, imsg.data, sizeof(*packfile_size));
799 8f2d01a6 2020-03-18 stsp case GOT_IMSG_FETCH_DONE:
800 8f2d01a6 2020-03-18 stsp if (datalen != SHA1_DIGEST_LENGTH) {
801 8f2d01a6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
804 1d72a2a0 2020-03-24 stsp memcpy(pack_sha1, imsg.data, SHA1_DIGEST_LENGTH);
808 b887aab6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
814 8f2d01a6 2020-03-18 stsp *id = NULL;
815 b887aab6 2020-03-18 stsp free(*refname);
816 b887aab6 2020-03-18 stsp *refname = NULL;
818 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
819 f8a36e22 2021-08-26 stsp return err;
822 f8a36e22 2021-08-26 stsp static const struct got_error *
823 f8a36e22 2021-08-26 stsp send_send_ref(const char *name, size_t name_len, struct got_object_id *id,
824 f8a36e22 2021-08-26 stsp int delete, struct imsgbuf *ibuf)
826 f8a36e22 2021-08-26 stsp size_t len;
827 f8a36e22 2021-08-26 stsp struct ibuf *wbuf;
829 f8a36e22 2021-08-26 stsp len = sizeof(struct got_imsg_send_ref) + name_len;
830 f8a36e22 2021-08-26 stsp wbuf = imsg_create(ibuf, GOT_IMSG_SEND_REF, 0, 0, len);
831 f8a36e22 2021-08-26 stsp if (wbuf == NULL)
832 f8a36e22 2021-08-26 stsp return got_error_from_errno("imsg_create SEND_REF");
834 f8a36e22 2021-08-26 stsp /* Keep in sync with struct got_imsg_send_ref! */
835 ea58e974 2023-02-03 thomas if (imsg_add(wbuf, id, sizeof(*id)) == -1)
836 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
837 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &delete, sizeof(delete)) == -1)
838 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
839 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
840 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
841 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
842 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
844 f8a36e22 2021-08-26 stsp wbuf->fd = -1;
845 f8a36e22 2021-08-26 stsp imsg_close(ibuf, wbuf);
846 f8a36e22 2021-08-26 stsp return flush_imsg(ibuf);
849 f8a36e22 2021-08-26 stsp const struct got_error *
850 f8a36e22 2021-08-26 stsp got_privsep_send_send_req(struct imsgbuf *ibuf, int fd,
851 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs,
852 abc59930 2021-09-05 naddy struct got_pathlist_head *delete_refs,
853 abc59930 2021-09-05 naddy int verbosity)
855 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
856 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *pe;
857 f8a36e22 2021-08-26 stsp struct got_imsg_send_request sendreq;
858 f8a36e22 2021-08-26 stsp struct got_object_id zero_id;
860 f8a36e22 2021-08-26 stsp memset(&zero_id, 0, sizeof(zero_id));
861 f8a36e22 2021-08-26 stsp memset(&sendreq, 0, sizeof(sendreq));
862 f8a36e22 2021-08-26 stsp sendreq.verbosity = verbosity;
863 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry)
864 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
865 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry)
866 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
867 f8a36e22 2021-08-26 stsp if (imsg_compose(ibuf, GOT_IMSG_SEND_REQUEST, 0, 0, fd,
868 f8a36e22 2021-08-26 stsp &sendreq, sizeof(sendreq)) == -1) {
869 f8a36e22 2021-08-26 stsp err = got_error_from_errno(
870 f8a36e22 2021-08-26 stsp "imsg_compose FETCH_SERVER_PROGRESS");
874 f8a36e22 2021-08-26 stsp err = flush_imsg(ibuf);
879 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry) {
880 f8a36e22 2021-08-26 stsp const char *name = pe->path;
881 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
882 f8a36e22 2021-08-26 stsp struct got_object_id *id = pe->data;
883 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, id, 0, ibuf);
888 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry) {
889 f8a36e22 2021-08-26 stsp const char *name = pe->path;
890 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
891 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, &zero_id, 1, ibuf);
896 f8a36e22 2021-08-26 stsp if (fd != -1 && close(fd) == -1 && err == NULL)
897 f8a36e22 2021-08-26 stsp err = got_error_from_errno("close");
898 f8a36e22 2021-08-26 stsp return err;
902 f8a36e22 2021-08-26 stsp const struct got_error *
903 f8a36e22 2021-08-26 stsp got_privsep_recv_send_remote_refs(struct got_pathlist_head *remote_refs,
904 f8a36e22 2021-08-26 stsp struct imsgbuf *ibuf)
906 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
907 f8a36e22 2021-08-26 stsp struct imsg imsg;
908 f8a36e22 2021-08-26 stsp size_t datalen;
909 f8a36e22 2021-08-26 stsp int done = 0;
910 f8a36e22 2021-08-26 stsp struct got_imsg_send_remote_ref iremote_ref;
911 f8a36e22 2021-08-26 stsp struct got_object_id *id = NULL;
912 f8a36e22 2021-08-26 stsp char *refname = NULL;
913 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *new;
915 f8a36e22 2021-08-26 stsp while (!done) {
916 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
918 f8a36e22 2021-08-26 stsp return err;
919 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
920 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
921 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REMOTE_REF:
922 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iremote_ref)) {
923 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
926 f8a36e22 2021-08-26 stsp memcpy(&iremote_ref, imsg.data, sizeof(iremote_ref));
927 f8a36e22 2021-08-26 stsp if (datalen != sizeof(iremote_ref) +
928 f8a36e22 2021-08-26 stsp iremote_ref.name_len) {
929 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
932 f8a36e22 2021-08-26 stsp id = malloc(sizeof(*id));
933 f8a36e22 2021-08-26 stsp if (id == NULL) {
934 f8a36e22 2021-08-26 stsp err = got_error_from_errno("malloc");
937 0f23036a 2023-02-03 thomas memcpy(id, &iremote_ref.id, sizeof(*id));
938 f8a36e22 2021-08-26 stsp refname = strndup(imsg.data + sizeof(iremote_ref),
939 f8a36e22 2021-08-26 stsp datalen - sizeof(iremote_ref));
940 f8a36e22 2021-08-26 stsp if (refname == NULL) {
941 f8a36e22 2021-08-26 stsp err = got_error_from_errno("strndup");
944 f8a36e22 2021-08-26 stsp err = got_pathlist_insert(&new, remote_refs,
945 f8a36e22 2021-08-26 stsp refname, id);
948 f8a36e22 2021-08-26 stsp if (new == NULL) { /* duplicate which wasn't inserted */
950 f8a36e22 2021-08-26 stsp free(refname);
953 f8a36e22 2021-08-26 stsp refname = NULL;
955 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_PACK_REQUEST:
956 f8a36e22 2021-08-26 stsp if (datalen != 0) {
957 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
960 f8a36e22 2021-08-26 stsp /* got-send-pack is now waiting for a pack file. */
964 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
970 f8a36e22 2021-08-26 stsp free(refname);
971 b9f99abf 2020-03-18 stsp imsg_free(&imsg);
972 b9f99abf 2020-03-18 stsp return err;
975 93658fb9 2020-03-18 stsp const struct got_error *
976 f8a36e22 2021-08-26 stsp got_privsep_send_packfd(struct imsgbuf *ibuf, int fd)
978 f8a36e22 2021-08-26 stsp return send_fd(ibuf, GOT_IMSG_SEND_PACKFD, fd);
981 f8a36e22 2021-08-26 stsp const struct got_error *
982 f8a36e22 2021-08-26 stsp got_privsep_recv_send_progress(int *done, off_t *bytes_sent,
983 3fe5d0fe 2022-11-17 thomas int *success, char **refname, char **errmsg, struct imsgbuf *ibuf)
985 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
986 f8a36e22 2021-08-26 stsp struct imsg imsg;
987 f8a36e22 2021-08-26 stsp size_t datalen;
988 f8a36e22 2021-08-26 stsp struct got_imsg_send_ref_status iref_status;
990 f8a36e22 2021-08-26 stsp /* Do not reset the current value of 'bytes_sent', it accumulates. */
992 f8a36e22 2021-08-26 stsp *success = 0;
993 f8a36e22 2021-08-26 stsp *refname = NULL;
994 3fe5d0fe 2022-11-17 thomas *errmsg = NULL;
996 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
998 f8a36e22 2021-08-26 stsp return err;
1000 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1001 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
1002 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_UPLOAD_PROGRESS:
1003 f8a36e22 2021-08-26 stsp if (datalen < sizeof(*bytes_sent)) {
1004 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1007 f8a36e22 2021-08-26 stsp memcpy(bytes_sent, imsg.data, sizeof(*bytes_sent));
1009 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REF_STATUS:
1010 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iref_status)) {
1011 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1014 f8a36e22 2021-08-26 stsp memcpy(&iref_status, imsg.data, sizeof(iref_status));
1015 3fe5d0fe 2022-11-17 thomas if (datalen != sizeof(iref_status) + iref_status.name_len +
1016 3fe5d0fe 2022-11-17 thomas iref_status.errmsg_len) {
1017 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1020 f8a36e22 2021-08-26 stsp *success = iref_status.success;
1021 f8a36e22 2021-08-26 stsp *refname = strndup(imsg.data + sizeof(iref_status),
1022 f8a36e22 2021-08-26 stsp iref_status.name_len);
1024 3fe5d0fe 2022-11-17 thomas if (iref_status.errmsg_len != 0)
1025 3fe5d0fe 2022-11-17 thomas *errmsg = strndup(imsg.data + sizeof(iref_status) +
1026 3fe5d0fe 2022-11-17 thomas iref_status.name_len, iref_status.errmsg_len);
1028 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_DONE:
1029 f8a36e22 2021-08-26 stsp if (datalen != 0) {
1030 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1033 f8a36e22 2021-08-26 stsp *done = 1;
1036 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1040 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
1041 f8a36e22 2021-08-26 stsp return err;
1044 f8a36e22 2021-08-26 stsp const struct got_error *
1045 fd251256 2020-03-24 stsp got_privsep_send_index_pack_req(struct imsgbuf *ibuf, uint8_t *pack_sha1,
1048 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1050 668a20f6 2020-03-18 stsp /* Keep in sync with struct got_imsg_index_pack_request */
1051 93658fb9 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_IDXPACK_REQUEST, 0, 0, fd,
1052 fd251256 2020-03-24 stsp pack_sha1, SHA1_DIGEST_LENGTH) == -1) {
1053 93658fb9 2020-03-18 stsp err = got_error_from_errno("imsg_compose INDEX_REQUEST");
1054 93658fb9 2020-03-18 stsp close(fd);
1055 93658fb9 2020-03-18 stsp return err;
1057 baa9fea0 2020-03-18 stsp return flush_imsg(ibuf);
1060 baa9fea0 2020-03-18 stsp const struct got_error *
1061 73ab1060 2020-03-18 stsp got_privsep_send_index_pack_outfd(struct imsgbuf *ibuf, int fd)
1063 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_IDXPACK_OUTFD, fd);
1066 73ab1060 2020-03-18 stsp const struct got_error *
1067 668a20f6 2020-03-18 stsp got_privsep_recv_index_progress(int *done, int *nobj_total,
1068 668a20f6 2020-03-18 stsp int *nobj_indexed, int *nobj_loose, int *nobj_resolved,
1069 668a20f6 2020-03-18 stsp struct imsgbuf *ibuf)
1071 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1072 93658fb9 2020-03-18 stsp struct imsg imsg;
1073 baa9fea0 2020-03-18 stsp struct got_imsg_index_pack_progress *iprogress;
1074 baa9fea0 2020-03-18 stsp size_t datalen;
1076 baa9fea0 2020-03-18 stsp *done = 0;
1077 668a20f6 2020-03-18 stsp *nobj_total = 0;
1078 668a20f6 2020-03-18 stsp *nobj_indexed = 0;
1079 668a20f6 2020-03-18 stsp *nobj_resolved = 0;
1081 93658fb9 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1083 93658fb9 2020-03-18 stsp return err;
1085 baa9fea0 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1086 baa9fea0 2020-03-18 stsp switch (imsg.hdr.type) {
1087 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_PROGRESS:
1088 baa9fea0 2020-03-18 stsp if (datalen < sizeof(*iprogress)) {
1089 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1092 baa9fea0 2020-03-18 stsp iprogress = (struct got_imsg_index_pack_progress *)imsg.data;
1093 31d32634 2022-06-23 thomas if (iprogress->nobj_total < 0 || iprogress->nobj_indexed < 0 ||
1094 31d32634 2022-06-23 thomas iprogress->nobj_loose < 0 || iprogress->nobj_resolved < 0) {
1095 31d32634 2022-06-23 thomas err = got_error(GOT_ERR_RANGE);
1098 668a20f6 2020-03-18 stsp *nobj_total = iprogress->nobj_total;
1099 668a20f6 2020-03-18 stsp *nobj_indexed = iprogress->nobj_indexed;
1100 668a20f6 2020-03-18 stsp *nobj_loose = iprogress->nobj_loose;
1101 668a20f6 2020-03-18 stsp *nobj_resolved = iprogress->nobj_resolved;
1103 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_DONE:
1104 baa9fea0 2020-03-18 stsp if (datalen != 0) {
1105 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1108 baa9fea0 2020-03-18 stsp *done = 1;
1111 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1115 93658fb9 2020-03-18 stsp imsg_free(&imsg);
1116 baa9fea0 2020-03-18 stsp return err;
1119 93658fb9 2020-03-18 stsp const struct got_error *
1120 cfd633c2 2018-09-10 stsp got_privsep_get_imsg_obj(struct got_object **obj, struct imsg *imsg,
1121 cfd633c2 2018-09-10 stsp struct imsgbuf *ibuf)
1123 291624d8 2018-11-07 stsp struct got_imsg_object *iobj;
1124 cfd633c2 2018-09-10 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1126 291624d8 2018-11-07 stsp if (datalen != sizeof(*iobj))
1127 cfd633c2 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1128 291624d8 2018-11-07 stsp iobj = imsg->data;
1130 31d32634 2022-06-23 thomas if (iobj->pack_offset < 0)
1131 31d32634 2022-06-23 thomas return got_error(GOT_ERR_PACK_OFFSET);
1133 cfd633c2 2018-09-10 stsp *obj = calloc(1, sizeof(**obj));
1134 cfd633c2 2018-09-10 stsp if (*obj == NULL)
1135 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
1137 fc842fc8 2023-02-03 thomas memcpy(&(*obj)->id, &iobj->id, sizeof(iobj->id));
1138 291624d8 2018-11-07 stsp (*obj)->type = iobj->type;
1139 291624d8 2018-11-07 stsp (*obj)->flags = iobj->flags;
1140 291624d8 2018-11-07 stsp (*obj)->hdrlen = iobj->hdrlen;
1141 291624d8 2018-11-07 stsp (*obj)->size = iobj->size;
1142 c59b3346 2018-09-11 stsp /* path_packfile is handled by caller */
1143 291624d8 2018-11-07 stsp if (iobj->flags & GOT_OBJ_FLAG_PACKED) {
1144 291624d8 2018-11-07 stsp (*obj)->pack_offset = iobj->pack_offset;
1145 291624d8 2018-11-07 stsp (*obj)->pack_idx = iobj->pack_idx;
1147 772802ae 2022-01-27 thomas STAILQ_INIT(&(*obj)->deltas.entries);
1148 772802ae 2022-01-27 thomas return NULL;
1151 2178c42e 2018-04-22 stsp const struct got_error *
1152 2178c42e 2018-04-22 stsp got_privsep_recv_obj(struct got_object **obj, struct imsgbuf *ibuf)
1154 2178c42e 2018-04-22 stsp const struct got_error *err = NULL;
1155 2178c42e 2018-04-22 stsp struct imsg imsg;
1156 c4eae628 2018-04-23 stsp const size_t min_datalen =
1157 c4eae628 2018-04-23 stsp MIN(sizeof(struct got_imsg_error), sizeof(struct got_imsg_object));
1159 2178c42e 2018-04-22 stsp *obj = NULL;
1161 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1163 2178c42e 2018-04-22 stsp return err;
1165 2178c42e 2018-04-22 stsp switch (imsg.hdr.type) {
1166 2178c42e 2018-04-22 stsp case GOT_IMSG_OBJECT:
1167 cfd633c2 2018-09-10 stsp err = got_privsep_get_imsg_obj(obj, &imsg, ibuf);
1170 bff6ca00 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1174 bff6ca00 2018-04-23 stsp imsg_free(&imsg);
1176 bff6ca00 2018-04-23 stsp return err;
1179 c75f7264 2018-09-11 stsp static const struct got_error *
1180 c75f7264 2018-09-11 stsp send_commit_logmsg(struct imsgbuf *ibuf, struct got_commit_object *commit,
1181 c75f7264 2018-09-11 stsp size_t logmsg_len)
1183 fa4ffeb3 2018-11-04 stsp const struct got_error *err = NULL;
1184 c75f7264 2018-09-11 stsp size_t offset, remain;
1186 c75f7264 2018-09-11 stsp offset = 0;
1187 c75f7264 2018-09-11 stsp remain = logmsg_len;
1188 c75f7264 2018-09-11 stsp while (remain > 0) {
1189 c75f7264 2018-09-11 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1191 c75f7264 2018-09-11 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_LOGMSG, 0, 0, -1,
1192 fa4ffeb3 2018-11-04 stsp commit->logmsg + offset, n) == -1) {
1193 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose "
1194 230a42bd 2019-05-11 jcs "COMMIT_LOGMSG");
1198 fa4ffeb3 2018-11-04 stsp err = flush_imsg(ibuf);
1202 c75f7264 2018-09-11 stsp offset += n;
1203 c75f7264 2018-09-11 stsp remain -= n;
1206 fa4ffeb3 2018-11-04 stsp return err;
1209 bff6ca00 2018-04-23 stsp const struct got_error *
1210 068fd2bf 2018-04-24 stsp got_privsep_send_commit(struct imsgbuf *ibuf, struct got_commit_object *commit)
1212 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1213 b9c33926 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1214 bff6ca00 2018-04-23 stsp uint8_t *buf;
1215 bff6ca00 2018-04-23 stsp size_t len, total;
1216 79f35eb3 2018-06-11 stsp struct got_object_qid *qid;
1217 b9c33926 2018-11-07 stsp size_t author_len = strlen(commit->author);
1218 b9c33926 2018-11-07 stsp size_t committer_len = strlen(commit->committer);
1219 c75f7264 2018-09-11 stsp size_t logmsg_len = strlen(commit->logmsg);
1221 b9c33926 2018-11-07 stsp total = sizeof(*icommit) + author_len + committer_len +
1222 e4c85b49 2023-02-03 thomas commit->nparents * sizeof(struct got_object_id);
1224 bff6ca00 2018-04-23 stsp buf = malloc(total);
1225 bff6ca00 2018-04-23 stsp if (buf == NULL)
1226 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1228 b9c33926 2018-11-07 stsp icommit = (struct got_imsg_commit_object *)buf;
1229 e4c85b49 2023-02-03 thomas memcpy(&icommit->tree_id, commit->tree_id, sizeof(icommit->tree_id));
1230 b9c33926 2018-11-07 stsp icommit->author_len = author_len;
1231 b9c33926 2018-11-07 stsp icommit->author_time = commit->author_time;
1232 b9c33926 2018-11-07 stsp icommit->author_gmtoff = commit->author_gmtoff;
1233 b9c33926 2018-11-07 stsp icommit->committer_len = committer_len;
1234 b9c33926 2018-11-07 stsp icommit->committer_time = commit->committer_time;
1235 b9c33926 2018-11-07 stsp icommit->committer_gmtoff = commit->committer_gmtoff;
1236 b9c33926 2018-11-07 stsp icommit->logmsg_len = logmsg_len;
1237 b9c33926 2018-11-07 stsp icommit->nparents = commit->nparents;
1239 b9c33926 2018-11-07 stsp len = sizeof(*icommit);
1240 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->author, author_len);
1241 b9c33926 2018-11-07 stsp len += author_len;
1242 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->committer, committer_len);
1243 b9c33926 2018-11-07 stsp len += committer_len;
1244 dbdddfee 2021-06-23 naddy STAILQ_FOREACH(qid, &commit->parent_ids, entry) {
1245 e4c85b49 2023-02-03 thomas memcpy(buf + len, &qid->id, sizeof(qid->id));
1246 e4c85b49 2023-02-03 thomas len += sizeof(qid->id);
1249 bff6ca00 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT, 0, 0, -1, buf, len) == -1) {
1250 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT");
1251 bff6ca00 2018-04-23 stsp goto done;
1254 904df868 2018-11-04 stsp if (logmsg_len == 0 ||
1255 904df868 2018-11-04 stsp logmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1256 904df868 2018-11-04 stsp err = flush_imsg(ibuf);
1258 904df868 2018-11-04 stsp goto done;
1260 c75f7264 2018-09-11 stsp err = send_commit_logmsg(ibuf, commit, logmsg_len);
1262 bff6ca00 2018-04-23 stsp free(buf);
1263 bff6ca00 2018-04-23 stsp return err;
1266 ca6e02ac 2020-01-07 stsp static const struct got_error *
1267 ca6e02ac 2020-01-07 stsp get_commit_from_imsg(struct got_commit_object **commit,
1268 ca6e02ac 2020-01-07 stsp struct imsg *imsg, size_t datalen, struct imsgbuf *ibuf)
1270 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1271 291624d8 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1272 ca6e02ac 2020-01-07 stsp size_t len = 0;
1275 ca6e02ac 2020-01-07 stsp if (datalen < sizeof(*icommit))
1276 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1278 ca6e02ac 2020-01-07 stsp icommit = imsg->data;
1279 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommit) + icommit->author_len +
1280 ca6e02ac 2020-01-07 stsp icommit->committer_len +
1281 e4c85b49 2023-02-03 thomas icommit->nparents * sizeof(struct got_object_id))
1282 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1284 ca6e02ac 2020-01-07 stsp if (icommit->nparents < 0)
1285 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1287 ca6e02ac 2020-01-07 stsp len += sizeof(*icommit);
1289 ca6e02ac 2020-01-07 stsp *commit = got_object_commit_alloc_partial();
1290 ca6e02ac 2020-01-07 stsp if (*commit == NULL)
1291 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
1292 ca6e02ac 2020-01-07 stsp "got_object_commit_alloc_partial");
1294 e4c85b49 2023-02-03 thomas memcpy((*commit)->tree_id, &icommit->tree_id,
1295 e4c85b49 2023-02-03 thomas sizeof(icommit->tree_id));
1296 ca6e02ac 2020-01-07 stsp (*commit)->author_time = icommit->author_time;
1297 ca6e02ac 2020-01-07 stsp (*commit)->author_gmtoff = icommit->author_gmtoff;
1298 ca6e02ac 2020-01-07 stsp (*commit)->committer_time = icommit->committer_time;
1299 ca6e02ac 2020-01-07 stsp (*commit)->committer_gmtoff = icommit->committer_gmtoff;
1301 79b7acf3 2022-06-23 thomas (*commit)->author = strndup(imsg->data + len, icommit->author_len);
1302 79b7acf3 2022-06-23 thomas if ((*commit)->author == NULL) {
1303 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1304 79b7acf3 2022-06-23 thomas goto done;
1306 ca6e02ac 2020-01-07 stsp len += icommit->author_len;
1308 79b7acf3 2022-06-23 thomas (*commit)->committer = strndup(imsg->data + len,
1309 79b7acf3 2022-06-23 thomas icommit->committer_len);
1310 79b7acf3 2022-06-23 thomas if ((*commit)->committer == 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->committer_len;
1316 ca6e02ac 2020-01-07 stsp if (icommit->logmsg_len == 0) {
1317 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = strdup("");
1318 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1319 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1320 ca6e02ac 2020-01-07 stsp goto done;
1323 ca6e02ac 2020-01-07 stsp size_t offset = 0, remain = icommit->logmsg_len;
1325 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = malloc(icommit->logmsg_len + 1);
1326 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1327 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1328 ca6e02ac 2020-01-07 stsp goto done;
1330 ca6e02ac 2020-01-07 stsp while (remain > 0) {
1331 ca6e02ac 2020-01-07 stsp struct imsg imsg_log;
1332 ca6e02ac 2020-01-07 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1335 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1337 ca6e02ac 2020-01-07 stsp goto done;
1339 ca6e02ac 2020-01-07 stsp if (imsg_log.hdr.type != GOT_IMSG_COMMIT_LOGMSG) {
1340 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1341 ca6e02ac 2020-01-07 stsp goto done;
1344 ca6e02ac 2020-01-07 stsp memcpy((*commit)->logmsg + offset,
1345 ca6e02ac 2020-01-07 stsp imsg_log.data, n);
1346 ca6e02ac 2020-01-07 stsp imsg_free(&imsg_log);
1347 ca6e02ac 2020-01-07 stsp offset += n;
1348 ca6e02ac 2020-01-07 stsp remain -= n;
1350 ca6e02ac 2020-01-07 stsp (*commit)->logmsg[icommit->logmsg_len] = '\0';
1353 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommit->nparents; i++) {
1354 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
1356 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
1359 ec242592 2022-04-22 thomas memcpy(&qid->id, imsg->data + len +
1360 e4c85b49 2023-02-03 thomas i * sizeof(qid->id), sizeof(qid->id));
1361 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(&(*commit)->parent_ids, qid, entry);
1362 ca6e02ac 2020-01-07 stsp (*commit)->nparents++;
1365 ca6e02ac 2020-01-07 stsp if (err) {
1366 ca6e02ac 2020-01-07 stsp got_object_commit_close(*commit);
1367 ca6e02ac 2020-01-07 stsp *commit = NULL;
1369 ca6e02ac 2020-01-07 stsp return err;
1372 ca6e02ac 2020-01-07 stsp const struct got_error *
1373 ca6e02ac 2020-01-07 stsp got_privsep_recv_commit(struct got_commit_object **commit, struct imsgbuf *ibuf)
1375 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
1376 ca6e02ac 2020-01-07 stsp struct imsg imsg;
1377 ca6e02ac 2020-01-07 stsp size_t datalen;
1378 ca6e02ac 2020-01-07 stsp const size_t min_datalen =
1379 ca6e02ac 2020-01-07 stsp MIN(sizeof(struct got_imsg_error),
1380 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_object));
1382 ca6e02ac 2020-01-07 stsp *commit = NULL;
1384 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1386 ca6e02ac 2020-01-07 stsp return err;
1388 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1390 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
1391 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
1392 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(commit, &imsg, datalen, ibuf);
1395 8c580685 2018-04-22 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1399 2178c42e 2018-04-22 stsp imsg_free(&imsg);
1401 e033d803 2018-04-23 stsp return err;
1404 06de99ad 2022-05-19 thomas static const struct got_error *
1405 63915ee5 2022-06-23 thomas send_tree_entries_batch(struct imsgbuf *ibuf,
1406 63915ee5 2022-06-23 thomas struct got_parsed_tree_entry *entries, int idx0, int idxN, size_t len)
1408 06de99ad 2022-05-19 thomas struct ibuf *wbuf;
1409 06de99ad 2022-05-19 thomas struct got_imsg_tree_entries ientries;
1412 c26ee7ad 2022-06-23 thomas memset(&ientries, 0, sizeof(ientries));
1414 06de99ad 2022-05-19 thomas wbuf = imsg_create(ibuf, GOT_IMSG_TREE_ENTRIES, 0, 0, len);
1415 06de99ad 2022-05-19 thomas if (wbuf == NULL)
1416 06de99ad 2022-05-19 thomas return got_error_from_errno("imsg_create TREE_ENTRY");
1418 06de99ad 2022-05-19 thomas ientries.nentries = idxN - idx0 + 1;
1419 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &ientries, sizeof(ientries)) == -1)
1420 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1422 06de99ad 2022-05-19 thomas for (i = idx0; i <= idxN; i++) {
1423 06de99ad 2022-05-19 thomas struct got_parsed_tree_entry *pte = &entries[i];
1425 2be33b09 2023-02-03 thomas /* Keep in sync with struct got_imsg_tree_entry definition! */
1426 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, pte->id, SHA1_DIGEST_LENGTH) == -1)
1427 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1428 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &pte->mode, sizeof(pte->mode)) == -1)
1429 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1430 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &pte->namelen, sizeof(pte->namelen)) == -1)
1431 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1433 06de99ad 2022-05-19 thomas /* Remaining bytes are the entry's name. */
1434 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, pte->name, pte->namelen) == -1)
1435 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1438 06de99ad 2022-05-19 thomas wbuf->fd = -1;
1439 06de99ad 2022-05-19 thomas imsg_close(ibuf, wbuf);
1440 06de99ad 2022-05-19 thomas return NULL;
1443 63915ee5 2022-06-23 thomas static const struct got_error *
1444 63915ee5 2022-06-23 thomas send_tree_entries(struct imsgbuf *ibuf, struct got_parsed_tree_entry *entries,
1445 63915ee5 2022-06-23 thomas int nentries)
1447 06de99ad 2022-05-19 thomas const struct got_error *err = NULL;
1448 06de99ad 2022-05-19 thomas int i, j;
1449 63915ee5 2022-06-23 thomas size_t entries_len = sizeof(struct got_imsg_tree_entries);
1452 06de99ad 2022-05-19 thomas for (j = 0; j < nentries; j++) {
1453 06de99ad 2022-05-19 thomas struct got_parsed_tree_entry *pte = &entries[j];
1454 39b82974 2022-07-03 thomas size_t len = SHA1_DIGEST_LENGTH + sizeof(pte->mode) +
1455 39b82974 2022-07-03 thomas sizeof(pte->namelen) + pte->namelen;
1457 06de99ad 2022-05-19 thomas if (j > 0 &&
1458 06de99ad 2022-05-19 thomas entries_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1459 63915ee5 2022-06-23 thomas err = send_tree_entries_batch(ibuf, entries,
1460 06de99ad 2022-05-19 thomas i, j - 1, entries_len);
1461 06de99ad 2022-05-19 thomas if (err)
1462 06de99ad 2022-05-19 thomas return err;
1464 06de99ad 2022-05-19 thomas entries_len = sizeof(struct got_imsg_tree_entries);
1467 06de99ad 2022-05-19 thomas entries_len += len;
1470 06de99ad 2022-05-19 thomas if (j > 0) {
1471 63915ee5 2022-06-23 thomas err = send_tree_entries_batch(ibuf, entries, i, j - 1,
1472 63915ee5 2022-06-23 thomas entries_len);
1473 06de99ad 2022-05-19 thomas if (err)
1474 06de99ad 2022-05-19 thomas return err;
1477 63915ee5 2022-06-23 thomas return NULL;
1480 63915ee5 2022-06-23 thomas const struct got_error *
1481 63915ee5 2022-06-23 thomas got_privsep_send_tree(struct imsgbuf *ibuf,
1482 63915ee5 2022-06-23 thomas struct got_parsed_tree_entry *entries, int nentries)
1484 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
1485 63915ee5 2022-06-23 thomas struct got_imsg_tree_object itree;
1487 c26ee7ad 2022-06-23 thomas memset(&itree, 0, sizeof(itree));
1488 63915ee5 2022-06-23 thomas itree.nentries = nentries;
1489 63915ee5 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_TREE, 0, 0, -1, &itree, sizeof(itree))
1491 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_compose TREE");
1493 63915ee5 2022-06-23 thomas err = send_tree_entries(ibuf, entries, nentries);
1494 63915ee5 2022-06-23 thomas if (err)
1495 63915ee5 2022-06-23 thomas return err;
1497 b00c9821 2018-11-04 stsp return flush_imsg(ibuf);
1501 63915ee5 2022-06-23 thomas static const struct got_error *
1502 63915ee5 2022-06-23 thomas recv_tree_entries(void *data, size_t datalen, struct got_tree_object *tree,
1503 63915ee5 2022-06-23 thomas int *nentries)
1505 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
1506 63915ee5 2022-06-23 thomas struct got_imsg_tree_entries *ientries;
1507 63915ee5 2022-06-23 thomas struct got_tree_entry *te;
1508 63915ee5 2022-06-23 thomas size_t te_offset;
1509 63915ee5 2022-06-23 thomas size_t i;
1511 63915ee5 2022-06-23 thomas if (datalen <= sizeof(*ientries) ||
1512 63915ee5 2022-06-23 thomas datalen > MAX_IMSGSIZE - IMSG_HEADER_SIZE)
1513 63915ee5 2022-06-23 thomas return got_error(GOT_ERR_PRIVSEP_LEN);
1515 63915ee5 2022-06-23 thomas ientries = (struct got_imsg_tree_entries *)data;
1516 63915ee5 2022-06-23 thomas if (ientries->nentries > INT_MAX) {
1517 63915ee5 2022-06-23 thomas return got_error_msg(GOT_ERR_NO_SPACE,
1518 63915ee5 2022-06-23 thomas "too many tree entries");
1521 63915ee5 2022-06-23 thomas te_offset = sizeof(*ientries);
1522 63915ee5 2022-06-23 thomas for (i = 0; i < ientries->nentries; i++) {
1523 63915ee5 2022-06-23 thomas struct got_imsg_tree_entry ite;
1524 63915ee5 2022-06-23 thomas const char *te_name;
1525 63915ee5 2022-06-23 thomas uint8_t *buf = (uint8_t *)data + te_offset;
1527 63915ee5 2022-06-23 thomas if (te_offset >= datalen) {
1528 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1532 63915ee5 2022-06-23 thomas /* Might not be aligned, size is ~32 bytes. */
1533 63915ee5 2022-06-23 thomas memcpy(&ite, buf, sizeof(ite));
1535 63915ee5 2022-06-23 thomas if (ite.namelen >= sizeof(te->name)) {
1536 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1539 63915ee5 2022-06-23 thomas if (te_offset + sizeof(ite) + ite.namelen > datalen) {
1540 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1544 63915ee5 2022-06-23 thomas if (*nentries >= tree->nentries) {
1545 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1548 63915ee5 2022-06-23 thomas te = &tree->entries[*nentries];
1549 63915ee5 2022-06-23 thomas te_name = buf + sizeof(ite);
1550 63915ee5 2022-06-23 thomas memcpy(te->name, te_name, ite.namelen);
1551 63915ee5 2022-06-23 thomas te->name[ite.namelen] = '\0';
1552 63915ee5 2022-06-23 thomas memcpy(te->id.sha1, ite.id, SHA1_DIGEST_LENGTH);
1553 63915ee5 2022-06-23 thomas te->mode = ite.mode;
1554 63915ee5 2022-06-23 thomas te->idx = *nentries;
1555 63915ee5 2022-06-23 thomas (*nentries)++;
1557 63915ee5 2022-06-23 thomas te_offset += sizeof(ite) + ite.namelen;
1560 63915ee5 2022-06-23 thomas return err;
1563 e033d803 2018-04-23 stsp const struct got_error *
1564 068fd2bf 2018-04-24 stsp got_privsep_recv_tree(struct got_tree_object **tree, struct imsgbuf *ibuf)
1566 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
1567 e033d803 2018-04-23 stsp const size_t min_datalen =
1568 e033d803 2018-04-23 stsp MIN(sizeof(struct got_imsg_error),
1569 e033d803 2018-04-23 stsp sizeof(struct got_imsg_tree_object));
1570 291624d8 2018-11-07 stsp struct got_imsg_tree_object *itree;
1571 e033d803 2018-04-23 stsp int nentries = 0;
1573 e033d803 2018-04-23 stsp *tree = NULL;
1575 9b5e2ebd 2022-07-07 thomas while (*tree == NULL || nentries < (*tree)->nentries) {
1576 e033d803 2018-04-23 stsp struct imsg imsg;
1577 e033d803 2018-04-23 stsp size_t datalen;
1579 9b5e2ebd 2022-07-07 thomas err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1580 9b5e2ebd 2022-07-07 thomas if (err)
1583 e033d803 2018-04-23 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1585 e033d803 2018-04-23 stsp switch (imsg.hdr.type) {
1586 e033d803 2018-04-23 stsp case GOT_IMSG_TREE:
1587 e033d803 2018-04-23 stsp /* This message should only appear once. */
1588 e033d803 2018-04-23 stsp if (*tree != NULL) {
1589 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1592 291624d8 2018-11-07 stsp if (datalen != sizeof(*itree)) {
1593 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1596 291624d8 2018-11-07 stsp itree = imsg.data;
1597 ace4d4e7 2022-05-19 thomas if (itree->nentries < 0) {
1598 ace4d4e7 2022-05-19 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1601 c3b78ecc 2018-11-07 stsp *tree = malloc(sizeof(**tree));
1602 e033d803 2018-04-23 stsp if (*tree == NULL) {
1603 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1606 56e0773d 2019-11-28 stsp (*tree)->entries = calloc(itree->nentries,
1607 56e0773d 2019-11-28 stsp sizeof(struct got_tree_entry));
1608 56e0773d 2019-11-28 stsp if ((*tree)->entries == NULL) {
1609 56e0773d 2019-11-28 stsp err = got_error_from_errno("malloc");
1610 c3bacae2 2022-05-19 thomas free(*tree);
1611 c3bacae2 2022-05-19 thomas *tree = NULL;
1614 56e0773d 2019-11-28 stsp (*tree)->nentries = itree->nentries;
1615 c3b78ecc 2018-11-07 stsp (*tree)->refcnt = 0;
1617 06de99ad 2022-05-19 thomas case GOT_IMSG_TREE_ENTRIES:
1618 e033d803 2018-04-23 stsp /* This message should be preceeded by GOT_IMSG_TREE. */
1619 e033d803 2018-04-23 stsp if (*tree == NULL) {
1620 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1623 63915ee5 2022-06-23 thomas err = recv_tree_entries(imsg.data, datalen,
1624 63915ee5 2022-06-23 thomas *tree, &nentries);
1627 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1631 e033d803 2018-04-23 stsp imsg_free(&imsg);
1636 56e0773d 2019-11-28 stsp if (*tree && (*tree)->nentries != nentries) {
1637 1e51f5b9 2018-04-23 stsp if (err == NULL)
1638 1e51f5b9 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1639 e033d803 2018-04-23 stsp got_object_tree_close(*tree);
1640 e033d803 2018-04-23 stsp *tree = NULL;
1643 ff6b18f8 2018-04-24 stsp return err;
1646 ff6b18f8 2018-04-24 stsp const struct got_error *
1647 ac544f8c 2019-01-13 stsp got_privsep_send_blob(struct imsgbuf *ibuf, size_t size, size_t hdrlen,
1648 ac544f8c 2019-01-13 stsp const uint8_t *data)
1650 2967a784 2018-04-24 stsp struct got_imsg_blob iblob;
1652 c26ee7ad 2022-06-23 thomas memset(&iblob, 0, sizeof(iblob));
1653 2967a784 2018-04-24 stsp iblob.size = size;
1654 ebc55e2d 2018-12-24 stsp iblob.hdrlen = hdrlen;
1656 ac544f8c 2019-01-13 stsp if (data) {
1657 ac544f8c 2019-01-13 stsp uint8_t *buf;
1659 ac544f8c 2019-01-13 stsp if (size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX)
1660 ac544f8c 2019-01-13 stsp return got_error(GOT_ERR_NO_SPACE);
1662 ac544f8c 2019-01-13 stsp buf = malloc(sizeof(iblob) + size);
1663 ac544f8c 2019-01-13 stsp if (buf == NULL)
1664 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1666 ac544f8c 2019-01-13 stsp memcpy(buf, &iblob, sizeof(iblob));
1667 ac544f8c 2019-01-13 stsp memcpy(buf + sizeof(iblob), data, size);
1668 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, buf,
1669 62d463ca 2020-10-20 naddy sizeof(iblob) + size) == -1) {
1670 ac544f8c 2019-01-13 stsp free(buf);
1671 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1673 ac544f8c 2019-01-13 stsp free(buf);
1675 ac544f8c 2019-01-13 stsp /* Data has already been written to file descriptor. */
1676 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, &iblob,
1677 ac544f8c 2019-01-13 stsp sizeof(iblob)) == -1)
1678 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1682 ff6b18f8 2018-04-24 stsp return flush_imsg(ibuf);
1685 ff6b18f8 2018-04-24 stsp const struct got_error *
1686 ac544f8c 2019-01-13 stsp got_privsep_recv_blob(uint8_t **outbuf, size_t *size, size_t *hdrlen,
1687 ac544f8c 2019-01-13 stsp struct imsgbuf *ibuf)
1689 ff6b18f8 2018-04-24 stsp const struct got_error *err = NULL;
1690 ff6b18f8 2018-04-24 stsp struct imsg imsg;
1691 291624d8 2018-11-07 stsp struct got_imsg_blob *iblob;
1692 ff6b18f8 2018-04-24 stsp size_t datalen;
1694 ac544f8c 2019-01-13 stsp *outbuf = NULL;
1696 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1698 ff6b18f8 2018-04-24 stsp return err;
1700 ff6b18f8 2018-04-24 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1702 ff6b18f8 2018-04-24 stsp switch (imsg.hdr.type) {
1703 ff6b18f8 2018-04-24 stsp case GOT_IMSG_BLOB:
1704 ac544f8c 2019-01-13 stsp if (datalen < sizeof(*iblob)) {
1705 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1708 291624d8 2018-11-07 stsp iblob = imsg.data;
1709 291624d8 2018-11-07 stsp *size = iblob->size;
1710 ebc55e2d 2018-12-24 stsp *hdrlen = iblob->hdrlen;
1712 ac544f8c 2019-01-13 stsp if (datalen == sizeof(*iblob)) {
1713 ac544f8c 2019-01-13 stsp /* Data has been written to file descriptor. */
1717 31d32634 2022-06-23 thomas if (*size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX ||
1718 31d32634 2022-06-23 thomas *size > datalen + sizeof(*iblob)) {
1719 ac544f8c 2019-01-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1723 ac544f8c 2019-01-13 stsp *outbuf = malloc(*size);
1724 ac544f8c 2019-01-13 stsp if (*outbuf == NULL) {
1725 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1728 ac544f8c 2019-01-13 stsp memcpy(*outbuf, imsg.data + sizeof(*iblob), *size);
1731 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1735 f4a881ce 2018-11-17 stsp imsg_free(&imsg);
1737 f4a881ce 2018-11-17 stsp return err;
1740 f4a881ce 2018-11-17 stsp static const struct got_error *
1741 f4a881ce 2018-11-17 stsp send_tagmsg(struct imsgbuf *ibuf, struct got_tag_object *tag, size_t tagmsg_len)
1743 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1744 f4a881ce 2018-11-17 stsp size_t offset, remain;
1746 f4a881ce 2018-11-17 stsp offset = 0;
1747 f4a881ce 2018-11-17 stsp remain = tagmsg_len;
1748 f4a881ce 2018-11-17 stsp while (remain > 0) {
1749 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1751 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_TAGMSG, 0, 0, -1,
1752 f4a881ce 2018-11-17 stsp tag->tagmsg + offset, n) == -1) {
1753 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG_TAGMSG");
1757 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1761 f4a881ce 2018-11-17 stsp offset += n;
1762 f4a881ce 2018-11-17 stsp remain -= n;
1765 f4a881ce 2018-11-17 stsp return err;
1768 f4a881ce 2018-11-17 stsp const struct got_error *
1769 f4a881ce 2018-11-17 stsp got_privsep_send_tag(struct imsgbuf *ibuf, struct got_tag_object *tag)
1771 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1772 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1773 f4a881ce 2018-11-17 stsp uint8_t *buf;
1774 f4a881ce 2018-11-17 stsp size_t len, total;
1775 f4a881ce 2018-11-17 stsp size_t tag_len = strlen(tag->tag);
1776 f4a881ce 2018-11-17 stsp size_t tagger_len = strlen(tag->tagger);
1777 f4a881ce 2018-11-17 stsp size_t tagmsg_len = strlen(tag->tagmsg);
1779 f4a881ce 2018-11-17 stsp total = sizeof(*itag) + tag_len + tagger_len + tagmsg_len;
1781 f4a881ce 2018-11-17 stsp buf = malloc(total);
1782 f4a881ce 2018-11-17 stsp if (buf == NULL)
1783 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1785 f4a881ce 2018-11-17 stsp itag = (struct got_imsg_tag_object *)buf;
1786 f4a881ce 2018-11-17 stsp memcpy(itag->id, tag->id.sha1, sizeof(itag->id));
1787 f4a881ce 2018-11-17 stsp itag->obj_type = tag->obj_type;
1788 f4a881ce 2018-11-17 stsp itag->tag_len = tag_len;
1789 f4a881ce 2018-11-17 stsp itag->tagger_len = tagger_len;
1790 f4a881ce 2018-11-17 stsp itag->tagger_time = tag->tagger_time;
1791 f4a881ce 2018-11-17 stsp itag->tagger_gmtoff = tag->tagger_gmtoff;
1792 f4a881ce 2018-11-17 stsp itag->tagmsg_len = tagmsg_len;
1794 f4a881ce 2018-11-17 stsp len = sizeof(*itag);
1795 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tag, tag_len);
1796 f4a881ce 2018-11-17 stsp len += tag_len;
1797 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tagger, tagger_len);
1798 f4a881ce 2018-11-17 stsp len += tagger_len;
1800 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG, 0, 0, -1, buf, len) == -1) {
1801 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG");
1802 f4a881ce 2018-11-17 stsp goto done;
1805 f4a881ce 2018-11-17 stsp if (tagmsg_len == 0 ||
1806 f4a881ce 2018-11-17 stsp tagmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1807 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1809 f4a881ce 2018-11-17 stsp goto done;
1811 f4a881ce 2018-11-17 stsp err = send_tagmsg(ibuf, tag, tagmsg_len);
1813 f4a881ce 2018-11-17 stsp free(buf);
1814 f4a881ce 2018-11-17 stsp return err;
1817 f4a881ce 2018-11-17 stsp const struct got_error *
1818 f4a881ce 2018-11-17 stsp got_privsep_recv_tag(struct got_tag_object **tag, struct imsgbuf *ibuf)
1820 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1821 f4a881ce 2018-11-17 stsp struct imsg imsg;
1822 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1823 f4a881ce 2018-11-17 stsp size_t len, datalen;
1824 f4a881ce 2018-11-17 stsp const size_t min_datalen =
1825 f4a881ce 2018-11-17 stsp MIN(sizeof(struct got_imsg_error),
1826 f4a881ce 2018-11-17 stsp sizeof(struct got_imsg_tag_object));
1828 f4a881ce 2018-11-17 stsp *tag = NULL;
1830 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1832 f4a881ce 2018-11-17 stsp return err;
1834 f4a881ce 2018-11-17 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1837 f4a881ce 2018-11-17 stsp switch (imsg.hdr.type) {
1838 f4a881ce 2018-11-17 stsp case GOT_IMSG_TAG:
1839 f4a881ce 2018-11-17 stsp if (datalen < sizeof(*itag)) {
1840 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1843 f4a881ce 2018-11-17 stsp itag = imsg.data;
1844 f4a881ce 2018-11-17 stsp if (datalen != sizeof(*itag) + itag->tag_len +
1845 f4a881ce 2018-11-17 stsp itag->tagger_len) {
1846 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1849 f4a881ce 2018-11-17 stsp len += sizeof(*itag);
1851 f4a881ce 2018-11-17 stsp *tag = calloc(1, sizeof(**tag));
1852 f4a881ce 2018-11-17 stsp if (*tag == NULL) {
1853 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
1857 f4a881ce 2018-11-17 stsp memcpy((*tag)->id.sha1, itag->id, SHA1_DIGEST_LENGTH);
1859 79b7acf3 2022-06-23 thomas (*tag)->tag = strndup(imsg.data + len, itag->tag_len);
1860 79b7acf3 2022-06-23 thomas if ((*tag)->tag == NULL) {
1861 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1864 f4a881ce 2018-11-17 stsp len += itag->tag_len;
1866 f4a881ce 2018-11-17 stsp (*tag)->obj_type = itag->obj_type;
1867 f4a881ce 2018-11-17 stsp (*tag)->tagger_time = itag->tagger_time;
1868 f4a881ce 2018-11-17 stsp (*tag)->tagger_gmtoff = itag->tagger_gmtoff;
1870 79b7acf3 2022-06-23 thomas (*tag)->tagger = strndup(imsg.data + len, itag->tagger_len);
1871 79b7acf3 2022-06-23 thomas if ((*tag)->tagger == NULL) {
1872 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1875 f4a881ce 2018-11-17 stsp len += itag->tagger_len;
1877 f4a881ce 2018-11-17 stsp if (itag->tagmsg_len == 0) {
1878 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = strdup("");
1879 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1880 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1884 f4a881ce 2018-11-17 stsp size_t offset = 0, remain = itag->tagmsg_len;
1886 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = malloc(itag->tagmsg_len + 1);
1887 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1888 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1891 f4a881ce 2018-11-17 stsp while (remain > 0) {
1892 f4a881ce 2018-11-17 stsp struct imsg imsg_log;
1893 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1896 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1898 f4a881ce 2018-11-17 stsp return err;
1900 f4a881ce 2018-11-17 stsp if (imsg_log.hdr.type != GOT_IMSG_TAG_TAGMSG)
1901 f4a881ce 2018-11-17 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
1903 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagmsg + offset, imsg_log.data,
1905 f4a881ce 2018-11-17 stsp imsg_free(&imsg_log);
1906 f4a881ce 2018-11-17 stsp offset += n;
1907 f4a881ce 2018-11-17 stsp remain -= n;
1909 f4a881ce 2018-11-17 stsp (*tag)->tagmsg[itag->tagmsg_len] = '\0';
1914 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1918 ff6b18f8 2018-04-24 stsp imsg_free(&imsg);
1920 2178c42e 2018-04-22 stsp return err;
1923 876c234b 2018-09-10 stsp const struct got_error *
1924 876c234b 2018-09-10 stsp got_privsep_init_pack_child(struct imsgbuf *ibuf, struct got_pack *pack,
1925 876c234b 2018-09-10 stsp struct got_packidx *packidx)
1927 41496140 2019-02-21 stsp const struct got_error *err = NULL;
1928 876c234b 2018-09-10 stsp struct got_imsg_packidx ipackidx;
1929 876c234b 2018-09-10 stsp struct got_imsg_pack ipack;
1932 c26ee7ad 2022-06-23 thomas memset(&ipackidx, 0, sizeof(ipackidx));
1933 c26ee7ad 2022-06-23 thomas memset(&ipack, 0, sizeof(ipack));
1935 876c234b 2018-09-10 stsp ipackidx.len = packidx->len;
1936 c3564dfa 2021-07-15 stsp ipackidx.packfile_size = pack->filesize;
1937 876c234b 2018-09-10 stsp fd = dup(packidx->fd);
1938 876c234b 2018-09-10 stsp if (fd == -1)
1939 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1941 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKIDX, 0, 0, fd, &ipackidx,
1942 41496140 2019-02-21 stsp sizeof(ipackidx)) == -1) {
1943 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACKIDX");
1944 41496140 2019-02-21 stsp close(fd);
1945 41496140 2019-02-21 stsp return err;
1948 876c234b 2018-09-10 stsp if (strlcpy(ipack.path_packfile, pack->path_packfile,
1949 876c234b 2018-09-10 stsp sizeof(ipack.path_packfile)) >= sizeof(ipack.path_packfile))
1950 876c234b 2018-09-10 stsp return got_error(GOT_ERR_NO_SPACE);
1951 876c234b 2018-09-10 stsp ipack.filesize = pack->filesize;
1953 876c234b 2018-09-10 stsp fd = dup(pack->fd);
1954 876c234b 2018-09-10 stsp if (fd == -1)
1955 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1957 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACK, 0, 0, fd, &ipack, sizeof(ipack))
1959 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACK");
1960 41496140 2019-02-21 stsp close(fd);
1961 41496140 2019-02-21 stsp return err;
1964 876c234b 2018-09-10 stsp return flush_imsg(ibuf);
1967 876c234b 2018-09-10 stsp const struct got_error *
1968 106807b4 2018-09-15 stsp got_privsep_send_packed_obj_req(struct imsgbuf *ibuf, int idx,
1969 106807b4 2018-09-15 stsp struct got_object_id *id)
1971 876c234b 2018-09-10 stsp struct got_imsg_packed_object iobj;
1973 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
1974 876c234b 2018-09-10 stsp iobj.idx = idx;
1975 b6f67730 2023-02-03 thomas memcpy(&iobj.id, id, sizeof(iobj.id));
1977 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_OBJECT_REQUEST, 0, 0, -1,
1978 876c234b 2018-09-10 stsp &iobj, sizeof(iobj)) == -1)
1979 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose "
1980 230a42bd 2019-05-11 jcs "PACKED_OBJECT_REQUEST");
1982 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1985 aba9c984 2019-09-08 stsp const struct got_error *
1986 59d1e4a0 2021-03-10 stsp got_privsep_send_packed_raw_obj_req(struct imsgbuf *ibuf, int idx,
1987 59d1e4a0 2021-03-10 stsp struct got_object_id *id)
1989 59d1e4a0 2021-03-10 stsp struct got_imsg_packed_object iobj;
1991 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
1992 59d1e4a0 2021-03-10 stsp iobj.idx = idx;
1993 b6f67730 2023-02-03 thomas memcpy(&iobj.id, id, sizeof(iobj.id));
1995 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_RAW_OBJECT_REQUEST, 0, 0, -1,
1996 59d1e4a0 2021-03-10 stsp &iobj, sizeof(iobj)) == -1)
1997 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose "
1998 59d1e4a0 2021-03-10 stsp "PACKED_OBJECT_REQUEST");
2000 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
2003 59d1e4a0 2021-03-10 stsp const struct got_error *
2004 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_parse_req(struct imsgbuf *ibuf, int fd)
2006 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2008 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_PARSE_REQUEST, 0, 0, fd,
2009 aba9c984 2019-09-08 stsp NULL, 0) == -1) {
2010 aba9c984 2019-09-08 stsp err = got_error_from_errno("imsg_compose "
2011 aba9c984 2019-09-08 stsp "GITCONFIG_PARSE_REQUEST");
2012 aba9c984 2019-09-08 stsp close(fd);
2013 aba9c984 2019-09-08 stsp return err;
2016 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2019 aba9c984 2019-09-08 stsp const struct got_error *
2020 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_repository_format_version_req(struct imsgbuf *ibuf)
2022 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2023 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST, 0, 0, -1,
2024 aba9c984 2019-09-08 stsp NULL, 0) == -1)
2025 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2026 aba9c984 2019-09-08 stsp "GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST");
2028 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2031 aba9c984 2019-09-08 stsp const struct got_error *
2032 20b7abb3 2020-10-22 stsp got_privsep_send_gitconfig_repository_extensions_req(struct imsgbuf *ibuf)
2034 20b7abb3 2020-10-22 stsp if (imsg_compose(ibuf,
2035 20b7abb3 2020-10-22 stsp GOT_IMSG_GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST, 0, 0, -1,
2036 20b7abb3 2020-10-22 stsp NULL, 0) == -1)
2037 20b7abb3 2020-10-22 stsp return got_error_from_errno("imsg_compose "
2038 20b7abb3 2020-10-22 stsp "GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST");
2040 20b7abb3 2020-10-22 stsp return flush_imsg(ibuf);
2044 20b7abb3 2020-10-22 stsp const struct got_error *
2045 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_name_req(struct imsgbuf *ibuf)
2047 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2048 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_NAME_REQUEST, 0, 0, -1, NULL, 0) == -1)
2049 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2050 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_NAME_REQUEST");
2052 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2055 aba9c984 2019-09-08 stsp const struct got_error *
2056 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_email_req(struct imsgbuf *ibuf)
2058 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2059 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_EMAIL_REQUEST, 0, 0, -1, NULL, 0) == -1)
2060 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2061 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_EMAIL_REQUEST");
2063 cd95becd 2019-11-29 stsp return flush_imsg(ibuf);
2066 cd95becd 2019-11-29 stsp const struct got_error *
2067 cd95becd 2019-11-29 stsp got_privsep_send_gitconfig_remotes_req(struct imsgbuf *ibuf)
2069 cd95becd 2019-11-29 stsp if (imsg_compose(ibuf,
2070 cd95becd 2019-11-29 stsp GOT_IMSG_GITCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2071 cd95becd 2019-11-29 stsp return got_error_from_errno("imsg_compose "
2072 cd95becd 2019-11-29 stsp "GITCONFIG_REMOTE_REQUEST");
2074 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2077 aba9c984 2019-09-08 stsp const struct got_error *
2078 9a1cc63f 2020-02-03 stsp got_privsep_send_gitconfig_owner_req(struct imsgbuf *ibuf)
2080 9a1cc63f 2020-02-03 stsp if (imsg_compose(ibuf,
2081 9a1cc63f 2020-02-03 stsp GOT_IMSG_GITCONFIG_OWNER_REQUEST, 0, 0, -1, NULL, 0) == -1)
2082 9a1cc63f 2020-02-03 stsp return got_error_from_errno("imsg_compose "
2083 9a1cc63f 2020-02-03 stsp "GITCONFIG_OWNER_REQUEST");
2085 9a1cc63f 2020-02-03 stsp return flush_imsg(ibuf);
2088 9a1cc63f 2020-02-03 stsp const struct got_error *
2089 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_str(char **str, struct imsgbuf *ibuf)
2091 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2092 aba9c984 2019-09-08 stsp struct imsg imsg;
2093 aba9c984 2019-09-08 stsp size_t datalen;
2095 aba9c984 2019-09-08 stsp *str = NULL;
2097 12a8238e 2022-06-23 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2099 aba9c984 2019-09-08 stsp return err;
2100 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2102 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2103 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_STR_VAL:
2104 aba9c984 2019-09-08 stsp if (datalen == 0)
2106 fcbb06bf 2023-01-14 thomas *str = strndup(imsg.data, datalen);
2107 aba9c984 2019-09-08 stsp if (*str == NULL) {
2108 fcbb06bf 2023-01-14 thomas err = got_error_from_errno("strndup");
2113 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2117 b091c2cd 2023-02-07 thomas imsg_free(&imsg);
2118 b091c2cd 2023-02-07 thomas return err;
2121 b091c2cd 2023-02-07 thomas const struct got_error *
2122 b091c2cd 2023-02-07 thomas got_privsep_recv_gitconfig_pair(char **key, char **val, struct imsgbuf *ibuf)
2124 b091c2cd 2023-02-07 thomas const struct got_error *err = NULL;
2125 b091c2cd 2023-02-07 thomas struct got_imsg_gitconfig_pair p;
2126 b091c2cd 2023-02-07 thomas struct imsg imsg;
2127 b091c2cd 2023-02-07 thomas size_t datalen;
2128 b091c2cd 2023-02-07 thomas uint8_t *data;
2130 b091c2cd 2023-02-07 thomas *key = *val = NULL;
2132 b091c2cd 2023-02-07 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2133 b091c2cd 2023-02-07 thomas if (err)
2134 b091c2cd 2023-02-07 thomas return err;
2136 b091c2cd 2023-02-07 thomas data = imsg.data;
2137 b091c2cd 2023-02-07 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2139 b091c2cd 2023-02-07 thomas if (imsg.hdr.type != GOT_IMSG_GITCONFIG_PAIR) {
2140 b091c2cd 2023-02-07 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2141 b091c2cd 2023-02-07 thomas goto done;
2144 b091c2cd 2023-02-07 thomas if (datalen < sizeof(p)) {
2145 b091c2cd 2023-02-07 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2146 b091c2cd 2023-02-07 thomas goto done;
2149 b091c2cd 2023-02-07 thomas memcpy(&p, data, sizeof(p));
2150 b091c2cd 2023-02-07 thomas data += sizeof(p);
2152 b091c2cd 2023-02-07 thomas if (datalen != sizeof(p) + p.klen + p.vlen) {
2153 b091c2cd 2023-02-07 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2154 b091c2cd 2023-02-07 thomas goto done;
2157 b091c2cd 2023-02-07 thomas *key = strndup(data, p.klen);
2158 b091c2cd 2023-02-07 thomas if (*key == NULL) {
2159 b091c2cd 2023-02-07 thomas err = got_error_from_errno("strndup");
2160 b091c2cd 2023-02-07 thomas goto done;
2162 b091c2cd 2023-02-07 thomas data += p.klen;
2164 b091c2cd 2023-02-07 thomas *val = strndup(data, p.vlen);
2165 b091c2cd 2023-02-07 thomas if (*val == NULL) {
2166 b091c2cd 2023-02-07 thomas err = got_error_from_errno("strndup");
2167 b091c2cd 2023-02-07 thomas goto done;
2171 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2172 aba9c984 2019-09-08 stsp return err;
2175 aba9c984 2019-09-08 stsp const struct got_error *
2176 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_int(int *val, struct imsgbuf *ibuf)
2178 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2179 aba9c984 2019-09-08 stsp struct imsg imsg;
2180 aba9c984 2019-09-08 stsp size_t datalen;
2181 aba9c984 2019-09-08 stsp const size_t min_datalen =
2182 aba9c984 2019-09-08 stsp MIN(sizeof(struct got_imsg_error), sizeof(int));
2186 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2188 aba9c984 2019-09-08 stsp return err;
2189 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2191 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2192 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_INT_VAL:
2193 aba9c984 2019-09-08 stsp if (datalen != sizeof(*val)) {
2194 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2197 aba9c984 2019-09-08 stsp memcpy(val, imsg.data, sizeof(*val));
2200 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2204 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2205 cd95becd 2019-11-29 stsp return err;
2208 b8adfa55 2020-09-25 stsp static void
2209 b8adfa55 2020-09-25 stsp free_remote_data(struct got_remote_repo *remote)
2213 b8adfa55 2020-09-25 stsp free(remote->name);
2214 6480c871 2021-08-30 stsp free(remote->fetch_url);
2215 6480c871 2021-08-30 stsp free(remote->send_url);
2216 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_branches; i++)
2217 6480c871 2021-08-30 stsp free(remote->fetch_branches[i]);
2218 6480c871 2021-08-30 stsp free(remote->fetch_branches);
2219 6480c871 2021-08-30 stsp for (i = 0; i < remote->nsend_branches; i++)
2220 6480c871 2021-08-30 stsp free(remote->send_branches[i]);
2221 6480c871 2021-08-30 stsp free(remote->send_branches);
2222 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_refs; i++)
2223 6480c871 2021-08-30 stsp free(remote->fetch_refs[i]);
2224 6480c871 2021-08-30 stsp free(remote->fetch_refs);
2227 cd95becd 2019-11-29 stsp const struct got_error *
2228 cd95becd 2019-11-29 stsp got_privsep_recv_gitconfig_remotes(struct got_remote_repo **remotes,
2229 cd95becd 2019-11-29 stsp int *nremotes, struct imsgbuf *ibuf)
2231 cd95becd 2019-11-29 stsp const struct got_error *err = NULL;
2232 cd95becd 2019-11-29 stsp struct imsg imsg;
2233 cd95becd 2019-11-29 stsp size_t datalen;
2234 cd95becd 2019-11-29 stsp struct got_imsg_remotes iremotes;
2235 cd95becd 2019-11-29 stsp struct got_imsg_remote iremote;
2237 cd95becd 2019-11-29 stsp *remotes = NULL;
2238 cd95becd 2019-11-29 stsp *nremotes = 0;
2239 d669b9c9 2020-02-22 stsp iremotes.nremotes = 0;
2241 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremotes));
2243 cd95becd 2019-11-29 stsp return err;
2244 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2246 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2247 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTES:
2248 cd95becd 2019-11-29 stsp if (datalen != sizeof(iremotes)) {
2249 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2252 cd95becd 2019-11-29 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2253 cd95becd 2019-11-29 stsp if (iremotes.nremotes == 0) {
2254 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2255 cd95becd 2019-11-29 stsp return NULL;
2259 54b1c5b5 2020-02-22 stsp imsg_free(&imsg);
2260 54b1c5b5 2020-02-22 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2263 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2265 5146eb39 2020-03-20 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2266 cd95becd 2019-11-29 stsp if (*remotes == NULL)
2267 cd95becd 2019-11-29 stsp return got_error_from_errno("recallocarray");
2269 cd95becd 2019-11-29 stsp while (*nremotes < iremotes.nremotes) {
2270 cd95becd 2019-11-29 stsp struct got_remote_repo *remote;
2272 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremote));
2275 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2277 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2278 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTE:
2279 cd95becd 2019-11-29 stsp remote = &(*remotes)[*nremotes];
2280 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2281 cd95becd 2019-11-29 stsp if (datalen < sizeof(iremote)) {
2282 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2285 cd95becd 2019-11-29 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2286 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2287 6480c871 2021-08-30 stsp iremote.fetch_url_len == 0 ||
2288 6480c871 2021-08-30 stsp iremote.send_url_len == 0 ||
2289 cd95becd 2019-11-29 stsp (sizeof(iremote) + iremote.name_len +
2290 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) > datalen) {
2291 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2294 cd95becd 2019-11-29 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2295 cd95becd 2019-11-29 stsp iremote.name_len);
2296 cd95becd 2019-11-29 stsp if (remote->name == NULL) {
2297 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2300 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data + sizeof(iremote) +
2301 6480c871 2021-08-30 stsp iremote.name_len, iremote.fetch_url_len);
2302 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2303 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2304 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2307 6480c871 2021-08-30 stsp remote->send_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 iremote.send_url_len);
2310 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2311 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2312 6480c871 2021-08-30 stsp free_remote_data(remote);
2315 469dd726 2020-03-20 stsp remote->mirror_references = iremote.mirror_references;
2316 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2317 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2318 6480c871 2021-08-30 stsp remote->fetch_branches = NULL;
2319 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2320 6480c871 2021-08-30 stsp remote->send_branches = NULL;
2321 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2322 6480c871 2021-08-30 stsp remote->fetch_refs = NULL;
2323 cd95becd 2019-11-29 stsp (*nremotes)++;
2326 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2330 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2335 cd95becd 2019-11-29 stsp if (err) {
2337 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2338 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2339 cd95becd 2019-11-29 stsp free(*remotes);
2340 cd95becd 2019-11-29 stsp *remotes = NULL;
2341 cd95becd 2019-11-29 stsp *nremotes = 0;
2343 aba9c984 2019-09-08 stsp return err;
2346 257add31 2020-09-09 stsp const struct got_error *
2347 257add31 2020-09-09 stsp got_privsep_send_gotconfig_parse_req(struct imsgbuf *ibuf, int fd)
2349 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2351 257add31 2020-09-09 stsp if (imsg_compose(ibuf, GOT_IMSG_GOTCONFIG_PARSE_REQUEST, 0, 0, fd,
2352 257add31 2020-09-09 stsp NULL, 0) == -1) {
2353 257add31 2020-09-09 stsp err = got_error_from_errno("imsg_compose "
2354 257add31 2020-09-09 stsp "GOTCONFIG_PARSE_REQUEST");
2355 257add31 2020-09-09 stsp close(fd);
2356 257add31 2020-09-09 stsp return err;
2359 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2362 257add31 2020-09-09 stsp const struct got_error *
2363 257add31 2020-09-09 stsp got_privsep_send_gotconfig_author_req(struct imsgbuf *ibuf)
2365 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2366 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_AUTHOR_REQUEST, 0, 0, -1, NULL, 0) == -1)
2367 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2368 257add31 2020-09-09 stsp "GOTCONFIG_AUTHOR_REQUEST");
2370 871bd038 2022-07-03 thomas return flush_imsg(ibuf);
2373 871bd038 2022-07-03 thomas const struct got_error *
2374 871bd038 2022-07-03 thomas got_privsep_send_gotconfig_allowed_signers_req(struct imsgbuf *ibuf)
2376 871bd038 2022-07-03 thomas if (imsg_compose(ibuf,
2377 871bd038 2022-07-03 thomas GOT_IMSG_GOTCONFIG_ALLOWEDSIGNERS_REQUEST, 0, 0, -1, NULL, 0) == -1)
2378 871bd038 2022-07-03 thomas return got_error_from_errno("imsg_compose "
2379 871bd038 2022-07-03 thomas "GOTCONFIG_ALLOWEDSIGNERS_REQUEST");
2381 871bd038 2022-07-03 thomas return flush_imsg(ibuf);
2384 871bd038 2022-07-03 thomas const struct got_error *
2385 871bd038 2022-07-03 thomas got_privsep_send_gotconfig_revoked_signers_req(struct imsgbuf *ibuf)
2387 871bd038 2022-07-03 thomas if (imsg_compose(ibuf,
2388 871bd038 2022-07-03 thomas GOT_IMSG_GOTCONFIG_REVOKEDSIGNERS_REQUEST, 0, 0, -1, NULL, 0) == -1)
2389 871bd038 2022-07-03 thomas return got_error_from_errno("imsg_compose "
2390 871bd038 2022-07-03 thomas "GOTCONFIG_REVOKEDSIGNERS_REQUEST");
2392 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2395 ca6e02ac 2020-01-07 stsp const struct got_error *
2396 ff5e1f09 2022-07-06 thomas got_privsep_send_gotconfig_signer_id_req(struct imsgbuf *ibuf)
2398 ff5e1f09 2022-07-06 thomas if (imsg_compose(ibuf,
2399 ff5e1f09 2022-07-06 thomas GOT_IMSG_GOTCONFIG_SIGNERID_REQUEST, 0, 0, -1, NULL, 0) == -1)
2400 ff5e1f09 2022-07-06 thomas return got_error_from_errno("imsg_compose "
2401 ff5e1f09 2022-07-06 thomas "GOTCONFIG_SIGNERID_REQUEST");
2403 ff5e1f09 2022-07-06 thomas return flush_imsg(ibuf);
2406 ff5e1f09 2022-07-06 thomas const struct got_error *
2407 257add31 2020-09-09 stsp got_privsep_send_gotconfig_remotes_req(struct imsgbuf *ibuf)
2409 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2410 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2411 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2412 257add31 2020-09-09 stsp "GOTCONFIG_REMOTE_REQUEST");
2414 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2417 257add31 2020-09-09 stsp const struct got_error *
2418 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_str(char **str, struct imsgbuf *ibuf)
2420 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2421 257add31 2020-09-09 stsp struct imsg imsg;
2422 257add31 2020-09-09 stsp size_t datalen;
2424 257add31 2020-09-09 stsp *str = NULL;
2426 12a8238e 2022-06-23 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2428 257add31 2020-09-09 stsp return err;
2429 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2431 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2432 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_STR_VAL:
2433 257add31 2020-09-09 stsp if (datalen == 0)
2435 fcbb06bf 2023-01-14 thomas *str = strndup(imsg.data, datalen);
2436 257add31 2020-09-09 stsp if (*str == NULL) {
2437 fcbb06bf 2023-01-14 thomas err = got_error_from_errno("strndup");
2442 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2446 257add31 2020-09-09 stsp imsg_free(&imsg);
2447 257add31 2020-09-09 stsp return err;
2450 257add31 2020-09-09 stsp const struct got_error *
2451 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_remotes(struct got_remote_repo **remotes,
2452 257add31 2020-09-09 stsp int *nremotes, struct imsgbuf *ibuf)
2454 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2455 257add31 2020-09-09 stsp struct imsg imsg;
2456 257add31 2020-09-09 stsp size_t datalen;
2457 257add31 2020-09-09 stsp struct got_imsg_remotes iremotes;
2458 257add31 2020-09-09 stsp struct got_imsg_remote iremote;
2459 257add31 2020-09-09 stsp const size_t min_datalen =
2460 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremotes));
2462 257add31 2020-09-09 stsp *remotes = NULL;
2463 257add31 2020-09-09 stsp *nremotes = 0;
2464 257add31 2020-09-09 stsp iremotes.nremotes = 0;
2466 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2468 257add31 2020-09-09 stsp return err;
2469 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2471 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2472 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTES:
2473 257add31 2020-09-09 stsp if (datalen != sizeof(iremotes)) {
2474 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2477 257add31 2020-09-09 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2478 31d32634 2022-06-23 thomas if (iremotes.nremotes < 0) {
2479 31d32634 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2482 257add31 2020-09-09 stsp if (iremotes.nremotes == 0) {
2483 257add31 2020-09-09 stsp imsg_free(&imsg);
2484 257add31 2020-09-09 stsp return NULL;
2488 257add31 2020-09-09 stsp imsg_free(&imsg);
2489 257add31 2020-09-09 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2492 257add31 2020-09-09 stsp imsg_free(&imsg);
2494 257add31 2020-09-09 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2495 257add31 2020-09-09 stsp if (*remotes == NULL)
2496 257add31 2020-09-09 stsp return got_error_from_errno("recallocarray");
2498 257add31 2020-09-09 stsp while (*nremotes < iremotes.nremotes) {
2499 257add31 2020-09-09 stsp struct got_remote_repo *remote;
2500 257add31 2020-09-09 stsp const size_t min_datalen =
2501 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremote));
2504 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2507 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2509 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2510 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTE:
2511 257add31 2020-09-09 stsp remote = &(*remotes)[*nremotes];
2512 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2513 257add31 2020-09-09 stsp if (datalen < sizeof(iremote)) {
2514 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2517 257add31 2020-09-09 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2518 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2519 6480c871 2021-08-30 stsp (iremote.fetch_url_len == 0 &&
2520 6480c871 2021-08-30 stsp iremote.send_url_len == 0) ||
2521 257add31 2020-09-09 stsp (sizeof(iremote) + iremote.name_len +
2522 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) >
2523 6480c871 2021-08-30 stsp datalen) {
2524 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2527 257add31 2020-09-09 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2528 257add31 2020-09-09 stsp iremote.name_len);
2529 257add31 2020-09-09 stsp if (remote->name == NULL) {
2530 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2533 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data +
2534 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len,
2535 6480c871 2021-08-30 stsp iremote.fetch_url_len);
2536 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2537 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2538 6480c871 2021-08-30 stsp free_remote_data(remote);
2541 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data +
2542 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len +
2543 6480c871 2021-08-30 stsp iremote.fetch_url_len, iremote.send_url_len);
2544 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2545 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2546 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2549 257add31 2020-09-09 stsp remote->mirror_references = iremote.mirror_references;
2550 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2551 6480c871 2021-08-30 stsp if (iremote.nfetch_branches > 0) {
2552 6480c871 2021-08-30 stsp remote->fetch_branches = recallocarray(NULL, 0,
2553 6480c871 2021-08-30 stsp iremote.nfetch_branches, sizeof(char *));
2554 6480c871 2021-08-30 stsp if (remote->fetch_branches == NULL) {
2555 b8adfa55 2020-09-25 stsp err = got_error_from_errno("calloc");
2556 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2560 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2561 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_branches; i++) {
2562 b8adfa55 2020-09-25 stsp char *branch;
2563 b8adfa55 2020-09-25 stsp err = got_privsep_recv_gotconfig_str(&branch,
2565 b8adfa55 2020-09-25 stsp if (err) {
2566 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2567 b8adfa55 2020-09-25 stsp goto done;
2569 6480c871 2021-08-30 stsp remote->fetch_branches[i] = branch;
2570 6480c871 2021-08-30 stsp remote->nfetch_branches++;
2572 6480c871 2021-08-30 stsp if (iremote.nsend_branches > 0) {
2573 6480c871 2021-08-30 stsp remote->send_branches = recallocarray(NULL, 0,
2574 6480c871 2021-08-30 stsp iremote.nsend_branches, sizeof(char *));
2575 6480c871 2021-08-30 stsp if (remote->send_branches == NULL) {
2576 99495ddb 2021-01-10 stsp err = got_error_from_errno("calloc");
2577 99495ddb 2021-01-10 stsp free_remote_data(remote);
2581 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2582 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nsend_branches; i++) {
2583 6480c871 2021-08-30 stsp char *branch;
2584 6480c871 2021-08-30 stsp err = got_privsep_recv_gotconfig_str(&branch,
2586 6480c871 2021-08-30 stsp if (err) {
2587 6480c871 2021-08-30 stsp free_remote_data(remote);
2588 6480c871 2021-08-30 stsp goto done;
2590 6480c871 2021-08-30 stsp remote->send_branches[i] = branch;
2591 6480c871 2021-08-30 stsp remote->nsend_branches++;
2593 6480c871 2021-08-30 stsp if (iremote.nfetch_refs > 0) {
2594 6480c871 2021-08-30 stsp remote->fetch_refs = recallocarray(NULL, 0,
2595 6480c871 2021-08-30 stsp iremote.nfetch_refs, sizeof(char *));
2596 6480c871 2021-08-30 stsp if (remote->fetch_refs == NULL) {
2597 6480c871 2021-08-30 stsp err = got_error_from_errno("calloc");
2598 6480c871 2021-08-30 stsp free_remote_data(remote);
2602 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2603 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_refs; i++) {
2604 99495ddb 2021-01-10 stsp char *ref;
2605 99495ddb 2021-01-10 stsp err = got_privsep_recv_gotconfig_str(&ref,
2607 99495ddb 2021-01-10 stsp if (err) {
2608 99495ddb 2021-01-10 stsp free_remote_data(remote);
2609 99495ddb 2021-01-10 stsp goto done;
2611 6480c871 2021-08-30 stsp remote->fetch_refs[i] = ref;
2612 6480c871 2021-08-30 stsp remote->nfetch_refs++;
2614 257add31 2020-09-09 stsp (*nremotes)++;
2617 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2621 257add31 2020-09-09 stsp imsg_free(&imsg);
2626 257add31 2020-09-09 stsp if (err) {
2628 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2629 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2630 257add31 2020-09-09 stsp free(*remotes);
2631 257add31 2020-09-09 stsp *remotes = NULL;
2632 257add31 2020-09-09 stsp *nremotes = 0;
2634 257add31 2020-09-09 stsp return err;
2637 257add31 2020-09-09 stsp const struct got_error *
2638 ca6e02ac 2020-01-07 stsp got_privsep_send_commit_traversal_request(struct imsgbuf *ibuf,
2639 abc59930 2021-09-05 naddy struct got_object_id *id, int idx, const char *path)
2641 ca6e02ac 2020-01-07 stsp struct ibuf *wbuf;
2642 ca6e02ac 2020-01-07 stsp size_t path_len = strlen(path) + 1;
2644 ca6e02ac 2020-01-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_COMMIT_TRAVERSAL_REQUEST, 0, 0,
2645 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_traversal_request) + path_len);
2646 ca6e02ac 2020-01-07 stsp if (wbuf == NULL)
2647 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
2648 ca6e02ac 2020-01-07 stsp "imsg_create COMMIT_TRAVERSAL_REQUEST");
2649 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1)
2650 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add "
2651 e9f1a409 2022-05-19 thomas "COMMIT_TRAVERSAL_REQUEST");
2652 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &idx, sizeof(idx)) == -1)
2653 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add "
2654 e9f1a409 2022-05-19 thomas "COMMIT_TRAVERSAL_REQUEST");
2655 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, path, path_len) == -1)
2656 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add "
2657 e9f1a409 2022-05-19 thomas "COMMIT_TRAVERSAL_REQUEST");
2659 ca6e02ac 2020-01-07 stsp wbuf->fd = -1;
2660 ca6e02ac 2020-01-07 stsp imsg_close(ibuf, wbuf);
2662 ca6e02ac 2020-01-07 stsp return flush_imsg(ibuf);
2665 ca6e02ac 2020-01-07 stsp const struct got_error *
2666 ca6e02ac 2020-01-07 stsp got_privsep_recv_traversed_commits(struct got_commit_object **changed_commit,
2667 ca6e02ac 2020-01-07 stsp struct got_object_id **changed_commit_id,
2668 ca6e02ac 2020-01-07 stsp struct got_object_id_queue *commit_ids, struct imsgbuf *ibuf)
2670 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
2671 ca6e02ac 2020-01-07 stsp struct imsg imsg;
2672 ca6e02ac 2020-01-07 stsp struct got_imsg_traversed_commits *icommits;
2673 ca6e02ac 2020-01-07 stsp size_t datalen;
2674 ca6e02ac 2020-01-07 stsp int i, done = 0;
2676 ca6e02ac 2020-01-07 stsp *changed_commit = NULL;
2677 ca6e02ac 2020-01-07 stsp *changed_commit_id = NULL;
2679 ca6e02ac 2020-01-07 stsp while (!done) {
2680 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2682 ca6e02ac 2020-01-07 stsp return err;
2684 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2685 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
2686 ca6e02ac 2020-01-07 stsp case GOT_IMSG_TRAVERSED_COMMITS:
2687 ca6e02ac 2020-01-07 stsp icommits = imsg.data;
2688 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommits) +
2689 ca6e02ac 2020-01-07 stsp icommits->ncommits * SHA1_DIGEST_LENGTH) {
2690 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2693 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommits->ncommits; i++) {
2694 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
2695 ca6e02ac 2020-01-07 stsp uint8_t *sha1 = (uint8_t *)imsg.data +
2696 ca6e02ac 2020-01-07 stsp sizeof(*icommits) + i * SHA1_DIGEST_LENGTH;
2697 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
2700 ec242592 2022-04-22 thomas memcpy(qid->id.sha1, sha1, SHA1_DIGEST_LENGTH);
2701 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(commit_ids, qid, entry);
2703 ca6e02ac 2020-01-07 stsp /* The last commit may contain a change. */
2704 ca6e02ac 2020-01-07 stsp if (i == icommits->ncommits - 1) {
2705 ca6e02ac 2020-01-07 stsp *changed_commit_id =
2706 ec242592 2022-04-22 thomas got_object_id_dup(&qid->id);
2707 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2708 ca6e02ac 2020-01-07 stsp err = got_error_from_errno(
2709 ca6e02ac 2020-01-07 stsp "got_object_id_dup");
2715 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
2716 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2717 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2720 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(changed_commit, &imsg,
2721 ca6e02ac 2020-01-07 stsp datalen, ibuf);
2723 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT_TRAVERSAL_DONE:
2727 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2731 ca6e02ac 2020-01-07 stsp imsg_free(&imsg);
2737 ca6e02ac 2020-01-07 stsp got_object_id_queue_free(commit_ids);
2738 ca6e02ac 2020-01-07 stsp return err;
2741 63915ee5 2022-06-23 thomas const struct got_error *
2742 63915ee5 2022-06-23 thomas got_privsep_send_enumerated_tree(size_t *totlen, struct imsgbuf *ibuf,
2743 63915ee5 2022-06-23 thomas struct got_object_id *tree_id, const char *path,
2744 63915ee5 2022-06-23 thomas struct got_parsed_tree_entry *entries, int nentries)
2746 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
2747 63915ee5 2022-06-23 thomas struct ibuf *wbuf;
2748 63915ee5 2022-06-23 thomas size_t path_len = strlen(path);
2749 63915ee5 2022-06-23 thomas size_t msglen;
2751 63915ee5 2022-06-23 thomas msglen = sizeof(struct got_imsg_enumerated_tree) + path_len;
2752 63915ee5 2022-06-23 thomas wbuf = imsg_create(ibuf, GOT_IMSG_ENUMERATED_TREE, 0, 0, msglen);
2753 63915ee5 2022-06-23 thomas if (wbuf == NULL)
2754 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_create ENUMERATED_TREE");
2756 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, tree_id->sha1, SHA1_DIGEST_LENGTH) == -1)
2757 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_TREE");
2758 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, &nentries, sizeof(nentries)) == -1)
2759 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_TREE");
2760 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, path, path_len) == -1)
2761 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_TREE");
2763 63915ee5 2022-06-23 thomas wbuf->fd = -1;
2764 63915ee5 2022-06-23 thomas imsg_close(ibuf, wbuf);
2766 63915ee5 2022-06-23 thomas if (entries) {
2767 63915ee5 2022-06-23 thomas err = send_tree_entries(ibuf, entries, nentries);
2768 63915ee5 2022-06-23 thomas if (err)
2769 63915ee5 2022-06-23 thomas return err;
2772 63915ee5 2022-06-23 thomas return flush_imsg(ibuf);
2775 f9c2e8e5 2022-02-13 thomas const struct got_error *
2776 63915ee5 2022-06-23 thomas got_privsep_send_object_enumeration_request(struct imsgbuf *ibuf)
2778 63915ee5 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_REQUEST,
2779 63915ee5 2022-06-23 thomas 0, 0, -1, NULL, 0) == -1)
2780 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_compose "
2781 63915ee5 2022-06-23 thomas "OBJECT_ENUMERATION_REQUEST");
2783 63915ee5 2022-06-23 thomas return flush_imsg(ibuf);
2786 63915ee5 2022-06-23 thomas const struct got_error *
2787 63915ee5 2022-06-23 thomas got_privsep_send_object_enumeration_done(struct imsgbuf *ibuf)
2789 63915ee5 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_DONE,
2790 63915ee5 2022-06-23 thomas 0, 0, -1, NULL, 0) == -1)
2791 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_compose "
2792 63915ee5 2022-06-23 thomas "OBJECT_ENUMERATION_DONE");
2794 63915ee5 2022-06-23 thomas return flush_imsg(ibuf);
2797 63915ee5 2022-06-23 thomas const struct got_error *
2798 e71f1e62 2022-06-23 thomas got_privsep_send_object_enumeration_incomplete(struct imsgbuf *ibuf)
2800 e71f1e62 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_INCOMPLETE,
2801 e71f1e62 2022-06-23 thomas 0, 0, -1, NULL, 0) == -1)
2802 e71f1e62 2022-06-23 thomas return got_error_from_errno("imsg_compose "
2803 e71f1e62 2022-06-23 thomas "OBJECT_ENUMERATION_INCOMPLETE");
2805 e71f1e62 2022-06-23 thomas return flush_imsg(ibuf);
2808 e71f1e62 2022-06-23 thomas const struct got_error *
2809 63915ee5 2022-06-23 thomas got_privsep_send_enumerated_commit(struct imsgbuf *ibuf,
2810 63915ee5 2022-06-23 thomas struct got_object_id *id, time_t mtime)
2812 63915ee5 2022-06-23 thomas struct ibuf *wbuf;
2814 63915ee5 2022-06-23 thomas wbuf = imsg_create(ibuf, GOT_IMSG_ENUMERATED_COMMIT, 0, 0,
2815 63915ee5 2022-06-23 thomas sizeof(struct got_imsg_enumerated_commit) + SHA1_DIGEST_LENGTH);
2816 63915ee5 2022-06-23 thomas if (wbuf == NULL)
2817 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_create ENUMERATED_COMMIT");
2819 63915ee5 2022-06-23 thomas /* Keep in sync with struct got_imsg_enumerated_commit! */
2820 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, id, SHA1_DIGEST_LENGTH) == -1)
2821 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_COMMIT");
2822 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, &mtime, sizeof(mtime)) == -1)
2823 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_COMMIT");
2825 63915ee5 2022-06-23 thomas wbuf->fd = -1;
2826 63915ee5 2022-06-23 thomas imsg_close(ibuf, wbuf);
2827 63915ee5 2022-06-23 thomas /* Don't flush yet, tree entries or ENUMERATION_DONE will follow. */
2828 63915ee5 2022-06-23 thomas return NULL;
2831 63915ee5 2022-06-23 thomas const struct got_error *
2832 e71f1e62 2022-06-23 thomas got_privsep_recv_enumerated_objects(int *found_all_objects,
2833 e71f1e62 2022-06-23 thomas struct imsgbuf *ibuf,
2834 63915ee5 2022-06-23 thomas got_object_enumerate_commit_cb cb_commit,
2835 63915ee5 2022-06-23 thomas got_object_enumerate_tree_cb cb_tree, void *cb_arg,
2836 63915ee5 2022-06-23 thomas struct got_repository *repo)
2838 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
2839 63915ee5 2022-06-23 thomas struct imsg imsg;
2840 63915ee5 2022-06-23 thomas struct got_imsg_enumerated_commit *icommit = NULL;
2841 63915ee5 2022-06-23 thomas struct got_object_id commit_id;
2842 63915ee5 2022-06-23 thomas int have_commit = 0;
2843 63915ee5 2022-06-23 thomas time_t mtime = 0;
2844 63915ee5 2022-06-23 thomas struct got_tree_object tree;
2845 63915ee5 2022-06-23 thomas struct got_imsg_enumerated_tree *itree;
2846 63915ee5 2022-06-23 thomas struct got_object_id tree_id;
2847 63915ee5 2022-06-23 thomas char *path = NULL, *canon_path = NULL;
2848 63915ee5 2022-06-23 thomas size_t datalen, path_len;
2849 63915ee5 2022-06-23 thomas int nentries = -1;
2850 63915ee5 2022-06-23 thomas int done = 0;
2852 e71f1e62 2022-06-23 thomas *found_all_objects = 0;
2853 63915ee5 2022-06-23 thomas memset(&tree, 0, sizeof(tree));
2855 63915ee5 2022-06-23 thomas while (!done) {
2856 63915ee5 2022-06-23 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2857 63915ee5 2022-06-23 thomas if (err)
2860 63915ee5 2022-06-23 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2861 63915ee5 2022-06-23 thomas switch (imsg.hdr.type) {
2862 77402035 2022-06-23 thomas case GOT_IMSG_ENUMERATED_COMMIT:
2863 63915ee5 2022-06-23 thomas if (have_commit && nentries != -1) {
2864 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2867 63915ee5 2022-06-23 thomas if (datalen != sizeof(*icommit)) {
2868 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2871 63915ee5 2022-06-23 thomas icommit = (struct got_imsg_enumerated_commit *)imsg.data;
2872 63915ee5 2022-06-23 thomas memcpy(commit_id.sha1, icommit->id, SHA1_DIGEST_LENGTH);
2873 63915ee5 2022-06-23 thomas mtime = icommit->mtime;
2874 63915ee5 2022-06-23 thomas have_commit = 1;
2876 63915ee5 2022-06-23 thomas case GOT_IMSG_ENUMERATED_TREE:
2877 63915ee5 2022-06-23 thomas /* Should be preceeded by GOT_IMSG_ENUMERATED_COMMIT. */
2878 63915ee5 2022-06-23 thomas if (!have_commit) {
2879 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2882 63915ee5 2022-06-23 thomas if (datalen < sizeof(*itree)) {
2883 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2886 63915ee5 2022-06-23 thomas itree = imsg.data;
2887 63915ee5 2022-06-23 thomas path_len = datalen - sizeof(*itree);
2888 63915ee5 2022-06-23 thomas if (path_len == 0) {
2889 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2892 63915ee5 2022-06-23 thomas memcpy(tree_id.sha1, itree->id, sizeof(tree_id.sha1));
2893 63915ee5 2022-06-23 thomas free(path);
2894 fcbb06bf 2023-01-14 thomas path = strndup(imsg.data + sizeof(*itree), path_len);
2895 63915ee5 2022-06-23 thomas if (path == NULL) {
2896 fcbb06bf 2023-01-14 thomas err = got_error_from_errno("strndup");
2899 63915ee5 2022-06-23 thomas free(canon_path);
2900 63915ee5 2022-06-23 thomas canon_path = malloc(path_len + 1);
2901 63915ee5 2022-06-23 thomas if (canon_path == NULL) {
2902 63915ee5 2022-06-23 thomas err = got_error_from_errno("malloc");
2905 63915ee5 2022-06-23 thomas if (!got_path_is_absolute(path)) {
2906 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_BAD_PATH);
2909 63915ee5 2022-06-23 thomas if (got_path_is_root_dir(path)) {
2910 63915ee5 2022-06-23 thomas /* XXX check what got_canonpath() does wrong */
2911 63915ee5 2022-06-23 thomas canon_path[0] = '/';
2912 63915ee5 2022-06-23 thomas canon_path[1] = '\0';
2913 63915ee5 2022-06-23 thomas } else {
2914 63915ee5 2022-06-23 thomas err = got_canonpath(path, canon_path,
2915 63915ee5 2022-06-23 thomas path_len + 1);
2916 63915ee5 2022-06-23 thomas if (err)
2919 63915ee5 2022-06-23 thomas if (strcmp(path, canon_path) != 0) {
2920 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_BAD_PATH);
2923 63915ee5 2022-06-23 thomas if (nentries != -1) {
2924 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2927 63915ee5 2022-06-23 thomas if (itree->nentries < -1) {
2928 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2931 63915ee5 2022-06-23 thomas if (itree->nentries == -1) {
2932 63915ee5 2022-06-23 thomas /* Tree was not found in pack file. */
2933 63915ee5 2022-06-23 thomas err = cb_tree(cb_arg, NULL, mtime, &tree_id,
2934 63915ee5 2022-06-23 thomas path, repo);
2937 63915ee5 2022-06-23 thomas if (itree->nentries > INT_MAX) {
2938 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2941 63915ee5 2022-06-23 thomas tree.entries = calloc(itree->nentries,
2942 63915ee5 2022-06-23 thomas sizeof(struct got_tree_entry));
2943 63915ee5 2022-06-23 thomas if (tree.entries == NULL) {
2944 63915ee5 2022-06-23 thomas err = got_error_from_errno("calloc");
2947 63915ee5 2022-06-23 thomas if (itree->nentries == 0) {
2948 63915ee5 2022-06-23 thomas err = cb_tree(cb_arg, &tree, mtime, &tree_id,
2949 63915ee5 2022-06-23 thomas path, repo);
2950 63915ee5 2022-06-23 thomas if (err)
2953 63915ee5 2022-06-23 thomas /* Prepare for next tree. */
2954 63915ee5 2022-06-23 thomas free(tree.entries);
2955 63915ee5 2022-06-23 thomas memset(&tree, 0, sizeof(tree));
2956 63915ee5 2022-06-23 thomas nentries = -1;
2957 63915ee5 2022-06-23 thomas } else {
2958 63915ee5 2022-06-23 thomas tree.nentries = itree->nentries;
2959 63915ee5 2022-06-23 thomas nentries = 0;
2962 63915ee5 2022-06-23 thomas case GOT_IMSG_TREE_ENTRIES:
2963 63915ee5 2022-06-23 thomas /* Should be preceeded by GOT_IMSG_ENUMERATED_TREE. */
2964 63915ee5 2022-06-23 thomas if (nentries <= -1) {
2965 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2968 63915ee5 2022-06-23 thomas err = recv_tree_entries(imsg.data, datalen,
2969 63915ee5 2022-06-23 thomas &tree, &nentries);
2970 63915ee5 2022-06-23 thomas if (err)
2972 63915ee5 2022-06-23 thomas if (tree.nentries == nentries) {
2973 63915ee5 2022-06-23 thomas err = cb_tree(cb_arg, &tree, mtime, &tree_id,
2974 63915ee5 2022-06-23 thomas path, repo);
2975 63915ee5 2022-06-23 thomas if (err)
2978 63915ee5 2022-06-23 thomas /* Prepare for next tree. */
2979 63915ee5 2022-06-23 thomas free(tree.entries);
2980 63915ee5 2022-06-23 thomas memset(&tree, 0, sizeof(tree));
2981 63915ee5 2022-06-23 thomas nentries = -1;
2984 63915ee5 2022-06-23 thomas case GOT_IMSG_TREE_ENUMERATION_DONE:
2985 63915ee5 2022-06-23 thomas /* All trees have been found and traversed. */
2986 63915ee5 2022-06-23 thomas if (!have_commit || path == NULL || nentries != -1) {
2987 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2990 63915ee5 2022-06-23 thomas err = cb_commit(cb_arg, mtime, &commit_id, repo);
2991 63915ee5 2022-06-23 thomas if (err)
2993 63915ee5 2022-06-23 thomas have_commit = 0;
2995 63915ee5 2022-06-23 thomas case GOT_IMSG_OBJECT_ENUMERATION_DONE:
2996 e71f1e62 2022-06-23 thomas *found_all_objects = 1;
2997 e71f1e62 2022-06-23 thomas done = 1;
2999 e71f1e62 2022-06-23 thomas case GOT_IMSG_OBJECT_ENUMERATION_INCOMPLETE:
3000 63915ee5 2022-06-23 thomas done = 1;
3002 63915ee5 2022-06-23 thomas default:
3003 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3007 63915ee5 2022-06-23 thomas imsg_free(&imsg);
3008 63915ee5 2022-06-23 thomas if (err)
3012 63915ee5 2022-06-23 thomas free(path);
3013 63915ee5 2022-06-23 thomas free(canon_path);
3014 63915ee5 2022-06-23 thomas free(tree.entries);
3015 63915ee5 2022-06-23 thomas return err;
3018 63915ee5 2022-06-23 thomas const struct got_error *
3019 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta_req(struct imsgbuf *ibuf, int idx,
3020 f9c2e8e5 2022-02-13 thomas struct got_object_id *id)
3022 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta_request dreq;
3024 c26ee7ad 2022-06-23 thomas memset(&dreq, 0, sizeof(dreq));
3025 f9c2e8e5 2022-02-13 thomas dreq.idx = idx;
3026 d77295e3 2023-02-03 thomas memcpy(&dreq.id, id, sizeof(dreq.id));
3028 f9c2e8e5 2022-02-13 thomas if (imsg_compose(ibuf, GOT_IMSG_RAW_DELTA_REQUEST, 0, 0, -1,
3029 f9c2e8e5 2022-02-13 thomas &dreq, sizeof(dreq)) == -1)
3030 f9c2e8e5 2022-02-13 thomas return got_error_from_errno("imsg_compose RAW_DELTA_REQUEST");
3032 f9c2e8e5 2022-02-13 thomas return flush_imsg(ibuf);
3035 f9c2e8e5 2022-02-13 thomas const struct got_error *
3036 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta_outfd(struct imsgbuf *ibuf, int fd)
3038 f9c2e8e5 2022-02-13 thomas return send_fd(ibuf, GOT_IMSG_RAW_DELTA_OUTFD, fd);
3041 f9c2e8e5 2022-02-13 thomas const struct got_error *
3042 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta(struct imsgbuf *ibuf, uint64_t base_size,
3043 9249e7e3 2022-05-12 thomas uint64_t result_size, off_t delta_size, off_t delta_compressed_size,
3044 9249e7e3 2022-05-12 thomas off_t delta_offset, off_t delta_out_offset, struct got_object_id *base_id)
3046 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta idelta;
3047 f9c2e8e5 2022-02-13 thomas int ret;
3049 c26ee7ad 2022-06-23 thomas memset(&idelta, 0, sizeof(idelta));
3050 f9c2e8e5 2022-02-13 thomas idelta.base_size = base_size;
3051 f9c2e8e5 2022-02-13 thomas idelta.result_size = result_size;
3052 f9c2e8e5 2022-02-13 thomas idelta.delta_size = delta_size;
3053 9249e7e3 2022-05-12 thomas idelta.delta_compressed_size = delta_compressed_size;
3054 f9c2e8e5 2022-02-13 thomas idelta.delta_offset = delta_offset;
3055 f9c2e8e5 2022-02-13 thomas idelta.delta_out_offset = delta_out_offset;
3056 564a8b01 2023-02-03 thomas memcpy(&idelta.base_id, &base_id, sizeof(idelta.base_id));
3058 f9c2e8e5 2022-02-13 thomas ret = imsg_compose(ibuf, GOT_IMSG_RAW_DELTA, 0, 0, -1,
3059 f9c2e8e5 2022-02-13 thomas &idelta, sizeof(idelta));
3060 f9c2e8e5 2022-02-13 thomas if (ret == -1)
3061 f9c2e8e5 2022-02-13 thomas return got_error_from_errno("imsg_compose RAW_DELTA");
3063 f9c2e8e5 2022-02-13 thomas return flush_imsg(ibuf);
3066 ca6e02ac 2020-01-07 stsp const struct got_error *
3067 f9c2e8e5 2022-02-13 thomas got_privsep_recv_raw_delta(uint64_t *base_size, uint64_t *result_size,
3068 9249e7e3 2022-05-12 thomas off_t *delta_size, off_t *delta_compressed_size, off_t *delta_offset,
3069 dd57e4ab 2023-02-03 thomas off_t *delta_out_offset, struct got_object_id **base_id,
3070 dd57e4ab 2023-02-03 thomas struct imsgbuf *ibuf)
3072 f9c2e8e5 2022-02-13 thomas const struct got_error *err = NULL;
3073 f9c2e8e5 2022-02-13 thomas struct imsg imsg;
3074 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta *delta;
3075 f9c2e8e5 2022-02-13 thomas size_t datalen;
3077 f9c2e8e5 2022-02-13 thomas *base_size = 0;
3078 f9c2e8e5 2022-02-13 thomas *result_size = 0;
3079 f9c2e8e5 2022-02-13 thomas *delta_size = 0;
3080 9249e7e3 2022-05-12 thomas *delta_compressed_size = 0;
3081 f9c2e8e5 2022-02-13 thomas *delta_offset = 0;
3082 f9c2e8e5 2022-02-13 thomas *delta_out_offset = 0;
3083 f9c2e8e5 2022-02-13 thomas *base_id = NULL;
3085 f9c2e8e5 2022-02-13 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3086 f9c2e8e5 2022-02-13 thomas if (err)
3087 f9c2e8e5 2022-02-13 thomas return err;
3089 f9c2e8e5 2022-02-13 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3091 f9c2e8e5 2022-02-13 thomas switch (imsg.hdr.type) {
3092 f9c2e8e5 2022-02-13 thomas case GOT_IMSG_RAW_DELTA:
3093 f9c2e8e5 2022-02-13 thomas if (datalen != sizeof(*delta)) {
3094 f9c2e8e5 2022-02-13 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3097 f9c2e8e5 2022-02-13 thomas delta = imsg.data;
3098 f9c2e8e5 2022-02-13 thomas *base_size = delta->base_size;
3099 f9c2e8e5 2022-02-13 thomas *result_size = delta->result_size;
3100 f9c2e8e5 2022-02-13 thomas *delta_size = delta->delta_size;
3101 9249e7e3 2022-05-12 thomas *delta_compressed_size = delta->delta_compressed_size;
3102 f9c2e8e5 2022-02-13 thomas *delta_offset = delta->delta_offset;
3103 f9c2e8e5 2022-02-13 thomas *delta_out_offset = delta->delta_out_offset;
3104 f9c2e8e5 2022-02-13 thomas *base_id = calloc(1, sizeof(**base_id));
3105 f9c2e8e5 2022-02-13 thomas if (*base_id == NULL) {
3106 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("malloc");
3109 564a8b01 2023-02-03 thomas memcpy(*base_id, &delta->base_id, sizeof(**base_id));
3111 f9c2e8e5 2022-02-13 thomas default:
3112 f9c2e8e5 2022-02-13 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3116 f9c2e8e5 2022-02-13 thomas imsg_free(&imsg);
3118 f9c2e8e5 2022-02-13 thomas if (err) {
3119 f9c2e8e5 2022-02-13 thomas free(*base_id);
3120 f9c2e8e5 2022-02-13 thomas *base_id = NULL;
3122 7d0d4920 2022-05-12 thomas return err;
3125 63915ee5 2022-06-23 thomas static const struct got_error *
3126 63915ee5 2022-06-23 thomas send_idlist(struct imsgbuf *ibuf, struct got_object_id **ids, size_t nids)
3128 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3129 7d0d4920 2022-05-12 thomas struct got_imsg_object_idlist idlist;
3130 7d0d4920 2022-05-12 thomas struct ibuf *wbuf;
3131 7d0d4920 2022-05-12 thomas size_t i;
3133 c26ee7ad 2022-06-23 thomas memset(&idlist, 0, sizeof(idlist));
3135 7d0d4920 2022-05-12 thomas if (nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS)
3136 7d0d4920 2022-05-12 thomas return got_error(GOT_ERR_NO_SPACE);
3138 7d0d4920 2022-05-12 thomas wbuf = imsg_create(ibuf, GOT_IMSG_OBJ_ID_LIST, 0, 0,
3139 7d0d4920 2022-05-12 thomas sizeof(idlist) + nids * sizeof(**ids));
3140 7d0d4920 2022-05-12 thomas if (wbuf == NULL) {
3141 7d0d4920 2022-05-12 thomas err = got_error_from_errno("imsg_create OBJ_ID_LIST");
3142 7d0d4920 2022-05-12 thomas return err;
3145 7d0d4920 2022-05-12 thomas idlist.nids = nids;
3146 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &idlist, sizeof(idlist)) == -1)
3147 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add OBJ_ID_LIST");
3149 7d0d4920 2022-05-12 thomas for (i = 0; i < nids; i++) {
3150 7d0d4920 2022-05-12 thomas struct got_object_id *id = ids[i];
3151 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, id, sizeof(*id)) == -1)
3152 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add OBJ_ID_LIST");
3155 7d0d4920 2022-05-12 thomas wbuf->fd = -1;
3156 7d0d4920 2022-05-12 thomas imsg_close(ibuf, wbuf);
3158 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3161 7d0d4920 2022-05-12 thomas const struct got_error *
3162 63915ee5 2022-06-23 thomas got_privsep_send_object_idlist(struct imsgbuf *ibuf,
3163 63915ee5 2022-06-23 thomas struct got_object_id **ids, size_t nids)
3165 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
3166 63915ee5 2022-06-23 thomas struct got_object_id *idlist[GOT_IMSG_OBJ_ID_LIST_MAX_NIDS];
3167 ef53e23c 2022-06-23 thomas int i, queued = 0;
3169 77402035 2022-06-23 thomas for (i = 0; i < nids; i++) {
3170 ef53e23c 2022-06-23 thomas idlist[i % nitems(idlist)] = ids[i];
3171 ef53e23c 2022-06-23 thomas queued++;
3172 8f3ec65d 2022-06-23 thomas if (queued >= nitems(idlist)) {
3173 ef53e23c 2022-06-23 thomas err = send_idlist(ibuf, idlist, queued);
3174 63915ee5 2022-06-23 thomas if (err)
3175 63915ee5 2022-06-23 thomas return err;
3176 ef53e23c 2022-06-23 thomas queued = 0;
3180 ef53e23c 2022-06-23 thomas if (queued > 0) {
3181 ef53e23c 2022-06-23 thomas err = send_idlist(ibuf, idlist, queued);
3182 63915ee5 2022-06-23 thomas if (err)
3183 63915ee5 2022-06-23 thomas return err;
3186 63915ee5 2022-06-23 thomas return NULL;
3189 63915ee5 2022-06-23 thomas const struct got_error *
3190 7d0d4920 2022-05-12 thomas got_privsep_send_object_idlist_done(struct imsgbuf *ibuf)
3192 7d0d4920 2022-05-12 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJ_ID_LIST_DONE, 0, 0, -1, NULL, 0)
3194 7d0d4920 2022-05-12 thomas return got_error_from_errno("imsg_compose OBJ_ID_LIST_DONE");
3196 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3199 7d0d4920 2022-05-12 thomas const struct got_error *
3200 7d0d4920 2022-05-12 thomas got_privsep_recv_object_idlist(int *done, struct got_object_id **ids,
3201 7d0d4920 2022-05-12 thomas size_t *nids, struct imsgbuf *ibuf)
3203 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3204 7d0d4920 2022-05-12 thomas struct imsg imsg;
3205 7d0d4920 2022-05-12 thomas struct got_imsg_object_idlist *idlist;
3206 7d0d4920 2022-05-12 thomas size_t datalen;
3208 7d0d4920 2022-05-12 thomas *ids = NULL;
3209 7d0d4920 2022-05-12 thomas *done = 0;
3210 7d0d4920 2022-05-12 thomas *nids = 0;
3212 7d0d4920 2022-05-12 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3213 7d0d4920 2022-05-12 thomas if (err)
3214 7d0d4920 2022-05-12 thomas return err;
3216 7d0d4920 2022-05-12 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3217 7d0d4920 2022-05-12 thomas switch (imsg.hdr.type) {
3218 7d0d4920 2022-05-12 thomas case GOT_IMSG_OBJ_ID_LIST:
3219 7d0d4920 2022-05-12 thomas if (datalen < sizeof(*idlist)) {
3220 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3223 7d0d4920 2022-05-12 thomas idlist = imsg.data;
3224 31d32634 2022-06-23 thomas if (idlist->nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS ||
3225 31d32634 2022-06-23 thomas idlist->nids * sizeof(**ids) > datalen - sizeof(*idlist)) {
3226 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3229 7d0d4920 2022-05-12 thomas *nids = idlist->nids;
3230 7d0d4920 2022-05-12 thomas *ids = calloc(*nids, sizeof(**ids));
3231 7d0d4920 2022-05-12 thomas if (*ids == NULL) {
3232 7d0d4920 2022-05-12 thomas err = got_error_from_errno("calloc");
3235 623d55de 2022-06-23 thomas memcpy(*ids, (uint8_t *)imsg.data + sizeof(*idlist),
3236 7d0d4920 2022-05-12 thomas *nids * sizeof(**ids));
3238 7d0d4920 2022-05-12 thomas case GOT_IMSG_OBJ_ID_LIST_DONE:
3239 7d0d4920 2022-05-12 thomas *done = 1;
3241 7d0d4920 2022-05-12 thomas default:
3242 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3246 7d0d4920 2022-05-12 thomas imsg_free(&imsg);
3248 7d0d4920 2022-05-12 thomas return err;
3251 7d0d4920 2022-05-12 thomas const struct got_error *
3252 7d0d4920 2022-05-12 thomas got_privsep_send_delta_reuse_req(struct imsgbuf *ibuf)
3254 7d0d4920 2022-05-12 thomas if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_REQUEST, 0, 0, -1, NULL, 0)
3256 7d0d4920 2022-05-12 thomas return got_error_from_errno("imsg_compose DELTA_REUSE_REQUEST");
3258 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3261 7d0d4920 2022-05-12 thomas const struct got_error *
3262 7d0d4920 2022-05-12 thomas got_privsep_send_reused_deltas(struct imsgbuf *ibuf,
3263 7d0d4920 2022-05-12 thomas struct got_imsg_reused_delta *deltas, size_t ndeltas)
3265 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3266 7d0d4920 2022-05-12 thomas struct ibuf *wbuf;
3267 7d0d4920 2022-05-12 thomas struct got_imsg_reused_deltas ideltas;
3268 7d0d4920 2022-05-12 thomas size_t i;
3270 c26ee7ad 2022-06-23 thomas memset(&ideltas, 0, sizeof(ideltas));
3272 7d0d4920 2022-05-12 thomas if (ndeltas > GOT_IMSG_REUSED_DELTAS_MAX_NDELTAS)
3273 7d0d4920 2022-05-12 thomas return got_error(GOT_ERR_NO_SPACE);
3275 7d0d4920 2022-05-12 thomas wbuf = imsg_create(ibuf, GOT_IMSG_REUSED_DELTAS, 0, 0,
3276 7d0d4920 2022-05-12 thomas sizeof(ideltas) + ndeltas * sizeof(*deltas));
3277 7d0d4920 2022-05-12 thomas if (wbuf == NULL) {
3278 7d0d4920 2022-05-12 thomas err = got_error_from_errno("imsg_create REUSED_DELTAS");
3279 7d0d4920 2022-05-12 thomas return err;
3282 7d0d4920 2022-05-12 thomas ideltas.ndeltas = ndeltas;
3283 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &ideltas, sizeof(ideltas)) == -1)
3284 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add REUSED_DELTAS");
3286 7d0d4920 2022-05-12 thomas for (i = 0; i < ndeltas; i++) {
3287 7d0d4920 2022-05-12 thomas struct got_imsg_reused_delta *delta = &deltas[i];
3288 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, delta, sizeof(*delta)) == -1)
3289 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add REUSED_DELTAS");
3292 7d0d4920 2022-05-12 thomas wbuf->fd = -1;
3293 7d0d4920 2022-05-12 thomas imsg_close(ibuf, wbuf);
3295 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3298 7d0d4920 2022-05-12 thomas const struct got_error *
3299 7d0d4920 2022-05-12 thomas got_privsep_send_reused_deltas_done(struct imsgbuf *ibuf)
3301 7d0d4920 2022-05-12 thomas if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_DONE, 0, 0, -1, NULL, 0)
3303 7d0d4920 2022-05-12 thomas return got_error_from_errno("imsg_compose DELTA_REUSE_DONE");
3305 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3308 7d0d4920 2022-05-12 thomas const struct got_error *
3309 7d0d4920 2022-05-12 thomas got_privsep_recv_reused_deltas(int *done, struct got_imsg_reused_delta *deltas,
3310 7d0d4920 2022-05-12 thomas size_t *ndeltas, struct imsgbuf *ibuf)
3312 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3313 7d0d4920 2022-05-12 thomas struct imsg imsg;
3314 7d0d4920 2022-05-12 thomas struct got_imsg_reused_deltas *ideltas;
3315 7d0d4920 2022-05-12 thomas size_t datalen;
3317 7d0d4920 2022-05-12 thomas *done = 0;
3318 7d0d4920 2022-05-12 thomas *ndeltas = 0;
3320 7d0d4920 2022-05-12 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3321 7d0d4920 2022-05-12 thomas if (err)
3322 7d0d4920 2022-05-12 thomas return err;
3324 7d0d4920 2022-05-12 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3325 7d0d4920 2022-05-12 thomas switch (imsg.hdr.type) {
3326 7d0d4920 2022-05-12 thomas case GOT_IMSG_REUSED_DELTAS:
3327 7d0d4920 2022-05-12 thomas if (datalen < sizeof(*ideltas)) {
3328 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3331 7d0d4920 2022-05-12 thomas ideltas = imsg.data;
3332 31d32634 2022-06-23 thomas if (ideltas->ndeltas > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS ||
3333 31d32634 2022-06-23 thomas ideltas->ndeltas * sizeof(*deltas) >
3334 31d32634 2022-06-23 thomas datalen - sizeof(*ideltas)) {
3335 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3338 7d0d4920 2022-05-12 thomas *ndeltas = ideltas->ndeltas;
3339 623d55de 2022-06-23 thomas memcpy(deltas, (uint8_t *)imsg.data + sizeof(*ideltas),
3340 7d0d4920 2022-05-12 thomas *ndeltas * sizeof(*deltas));
3342 7d0d4920 2022-05-12 thomas case GOT_IMSG_DELTA_REUSE_DONE:
3343 7d0d4920 2022-05-12 thomas *done = 1;
3345 7d0d4920 2022-05-12 thomas default:
3346 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3350 7d0d4920 2022-05-12 thomas imsg_free(&imsg);
3352 ec2b23c5 2022-07-01 thomas return err;
3355 ec2b23c5 2022-07-01 thomas const struct got_error *
3356 ec2b23c5 2022-07-01 thomas got_privsep_init_commit_painting(struct imsgbuf *ibuf)
3358 ec2b23c5 2022-07-01 thomas if (imsg_compose(ibuf, GOT_IMSG_COMMIT_PAINTING_INIT,
3359 ec2b23c5 2022-07-01 thomas 0, 0, -1, NULL, 0)
3361 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_compose "
3362 ec2b23c5 2022-07-01 thomas "COMMIT_PAINTING_INIT");
3364 ec2b23c5 2022-07-01 thomas return flush_imsg(ibuf);
3367 ec2b23c5 2022-07-01 thomas const struct got_error *
3368 ec2b23c5 2022-07-01 thomas got_privsep_send_painting_request(struct imsgbuf *ibuf, int idx,
3369 ec2b23c5 2022-07-01 thomas struct got_object_id *id, intptr_t color)
3371 ec2b23c5 2022-07-01 thomas struct got_imsg_commit_painting_request ireq;
3373 ec2b23c5 2022-07-01 thomas memset(&ireq, 0, sizeof(ireq));
3374 ec2b23c5 2022-07-01 thomas memcpy(ireq.id, id->sha1, sizeof(ireq.id));
3375 ec2b23c5 2022-07-01 thomas ireq.idx = idx;
3376 ec2b23c5 2022-07-01 thomas ireq.color = color;
3378 ec2b23c5 2022-07-01 thomas if (imsg_compose(ibuf, GOT_IMSG_COMMIT_PAINTING_REQUEST, 0, 0, -1,
3379 ec2b23c5 2022-07-01 thomas &ireq, sizeof(ireq)) == -1)
3380 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_compose "
3381 ec2b23c5 2022-07-01 thomas "COMMIT_PAINTING_REQUEST");
3383 ec2b23c5 2022-07-01 thomas return flush_imsg(ibuf);
3386 ec2b23c5 2022-07-01 thomas static const struct got_error *
3387 ec2b23c5 2022-07-01 thomas send_painted_commits(struct got_object_id_queue *ids, int *nids,
3388 ec2b23c5 2022-07-01 thomas size_t remain, int present_in_pack, struct imsgbuf *ibuf)
3390 ec2b23c5 2022-07-01 thomas const struct got_error *err = NULL;
3391 ec2b23c5 2022-07-01 thomas struct ibuf *wbuf = NULL;
3392 ec2b23c5 2022-07-01 thomas struct got_object_qid *qid;
3393 ec2b23c5 2022-07-01 thomas size_t msglen;
3394 ec2b23c5 2022-07-01 thomas int ncommits;
3395 ec2b23c5 2022-07-01 thomas intptr_t color;
3397 ec2b23c5 2022-07-01 thomas msglen = MIN(remain, MAX_IMSGSIZE - IMSG_HEADER_SIZE);
3398 ec2b23c5 2022-07-01 thomas ncommits = (msglen - sizeof(struct got_imsg_painted_commits)) /
3399 ec2b23c5 2022-07-01 thomas sizeof(struct got_imsg_painted_commit);
3401 ec2b23c5 2022-07-01 thomas wbuf = imsg_create(ibuf, GOT_IMSG_PAINTED_COMMITS, 0, 0, msglen);
3402 ec2b23c5 2022-07-01 thomas if (wbuf == NULL) {
3403 ec2b23c5 2022-07-01 thomas err = got_error_from_errno("imsg_create PAINTED_COMMITS");
3404 ec2b23c5 2022-07-01 thomas return err;
3407 ec2b23c5 2022-07-01 thomas /* Keep in sync with struct got_imsg_painted_commits! */
3408 ec2b23c5 2022-07-01 thomas if (imsg_add(wbuf, &ncommits, sizeof(ncommits)) == -1)
3409 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_add PAINTED_COMMITS");
3410 ec2b23c5 2022-07-01 thomas if (imsg_add(wbuf, &present_in_pack, sizeof(present_in_pack)) == -1)
3411 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_add PAINTED_COMMITS");
3413 ec2b23c5 2022-07-01 thomas while (ncommits > 0) {
3414 ec2b23c5 2022-07-01 thomas qid = STAILQ_FIRST(ids);
3415 ec2b23c5 2022-07-01 thomas STAILQ_REMOVE_HEAD(ids, entry);
3416 ec2b23c5 2022-07-01 thomas ncommits--;
3417 ec2b23c5 2022-07-01 thomas (*nids)--;
3418 ec2b23c5 2022-07-01 thomas color = (intptr_t)qid->data;
3420 ec2b23c5 2022-07-01 thomas /* Keep in sync with struct got_imsg_painted_commit! */
3421 ec2b23c5 2022-07-01 thomas if (imsg_add(wbuf, qid->id.sha1, SHA1_DIGEST_LENGTH) == -1)
3422 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_add PAINTED_COMMITS");
3423 ec2b23c5 2022-07-01 thomas if (imsg_add(wbuf, &color, sizeof(color)) == -1)
3424 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_add PAINTED_COMMITS");
3426 ec2b23c5 2022-07-01 thomas got_object_qid_free(qid);
3429 ec2b23c5 2022-07-01 thomas wbuf->fd = -1;
3430 ec2b23c5 2022-07-01 thomas imsg_close(ibuf, wbuf);
3432 ec2b23c5 2022-07-01 thomas return flush_imsg(ibuf);
3435 ec2b23c5 2022-07-01 thomas const struct got_error *
3436 ec2b23c5 2022-07-01 thomas got_privsep_send_painted_commits(struct imsgbuf *ibuf,
3437 ec2b23c5 2022-07-01 thomas struct got_object_id_queue *ids, int *nids,
3438 ec2b23c5 2022-07-01 thomas int present_in_pack, int flush)
3440 ec2b23c5 2022-07-01 thomas const struct got_error *err;
3441 ec2b23c5 2022-07-01 thomas size_t remain;
3443 ec2b23c5 2022-07-01 thomas if (*nids <= 0)
3444 ec2b23c5 2022-07-01 thomas return NULL;
3447 ec2b23c5 2022-07-01 thomas remain = (sizeof(struct got_imsg_painted_commits)) +
3448 ec2b23c5 2022-07-01 thomas *nids * sizeof(struct got_imsg_painted_commit);
3449 ec2b23c5 2022-07-01 thomas if (flush || remain >= MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
3450 ec2b23c5 2022-07-01 thomas err = send_painted_commits(ids, nids, remain,
3451 ec2b23c5 2022-07-01 thomas present_in_pack, ibuf);
3452 ec2b23c5 2022-07-01 thomas if (err)
3453 ec2b23c5 2022-07-01 thomas return err;
3455 ec2b23c5 2022-07-01 thomas } while (flush && *nids > 0);
3457 ec2b23c5 2022-07-01 thomas return NULL;
3460 ec2b23c5 2022-07-01 thomas const struct got_error *
3461 ec2b23c5 2022-07-01 thomas got_privsep_send_painting_commits_done(struct imsgbuf *ibuf)
3463 ec2b23c5 2022-07-01 thomas if (imsg_compose(ibuf, GOT_IMSG_COMMIT_PAINTING_DONE,
3464 ec2b23c5 2022-07-01 thomas 0, 0, -1, NULL, 0)
3466 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_compose "
3467 ec2b23c5 2022-07-01 thomas "COMMIT_PAINTING_DONE");
3469 ec2b23c5 2022-07-01 thomas return flush_imsg(ibuf);
3472 ec2b23c5 2022-07-01 thomas const struct got_error *
3473 ec2b23c5 2022-07-01 thomas got_privsep_recv_painted_commits(struct got_object_id_queue *new_ids,
3474 ec2b23c5 2022-07-01 thomas got_privsep_recv_painted_commit_cb cb, void *cb_arg, struct imsgbuf *ibuf)
3476 ec2b23c5 2022-07-01 thomas const struct got_error *err = NULL;
3477 ec2b23c5 2022-07-01 thomas struct imsg imsg;
3478 ec2b23c5 2022-07-01 thomas struct got_imsg_painted_commits icommits;
3479 ec2b23c5 2022-07-01 thomas struct got_imsg_painted_commit icommit;
3480 ec2b23c5 2022-07-01 thomas size_t datalen;
3483 ec2b23c5 2022-07-01 thomas for (;;) {
3484 ec2b23c5 2022-07-01 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3485 ec2b23c5 2022-07-01 thomas if (err)
3486 ec2b23c5 2022-07-01 thomas return err;
3488 ec2b23c5 2022-07-01 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3489 ec2b23c5 2022-07-01 thomas if (imsg.hdr.type == GOT_IMSG_COMMIT_PAINTING_DONE)
3491 ec2b23c5 2022-07-01 thomas if (imsg.hdr.type != GOT_IMSG_PAINTED_COMMITS)
3492 ec2b23c5 2022-07-01 thomas return got_error(GOT_ERR_PRIVSEP_MSG);
3494 ec2b23c5 2022-07-01 thomas if (datalen < sizeof(icommits))
3495 ec2b23c5 2022-07-01 thomas return got_error(GOT_ERR_PRIVSEP_LEN);
3496 ec2b23c5 2022-07-01 thomas memcpy(&icommits, imsg.data, sizeof(icommits));
3497 ec2b23c5 2022-07-01 thomas if (icommits.ncommits * sizeof(icommit) < icommits.ncommits ||
3498 ec2b23c5 2022-07-01 thomas datalen < sizeof(icommits) +
3499 ec2b23c5 2022-07-01 thomas icommits.ncommits * sizeof(icommit))
3500 ec2b23c5 2022-07-01 thomas return got_error(GOT_ERR_PRIVSEP_LEN);
3502 ec2b23c5 2022-07-01 thomas for (i = 0; i < icommits.ncommits; i++) {
3503 ec2b23c5 2022-07-01 thomas memcpy(&icommit,
3504 ec2b23c5 2022-07-01 thomas (uint8_t *)imsg.data + sizeof(icommits) + i * sizeof(icommit),
3505 ec2b23c5 2022-07-01 thomas sizeof(icommit));
3507 ec2b23c5 2022-07-01 thomas if (icommits.present_in_pack) {
3508 ec2b23c5 2022-07-01 thomas struct got_object_id id;
3509 ec2b23c5 2022-07-01 thomas memcpy(id.sha1, icommit.id, SHA1_DIGEST_LENGTH);
3510 ec2b23c5 2022-07-01 thomas err = cb(cb_arg, &id, icommit.color);
3511 ec2b23c5 2022-07-01 thomas if (err)
3513 ec2b23c5 2022-07-01 thomas } else {
3514 ec2b23c5 2022-07-01 thomas struct got_object_qid *qid;
3515 ec2b23c5 2022-07-01 thomas err = got_object_qid_alloc_partial(&qid);
3516 ec2b23c5 2022-07-01 thomas if (err)
3518 ec2b23c5 2022-07-01 thomas memcpy(qid->id.sha1, icommit.id,
3519 ec2b23c5 2022-07-01 thomas SHA1_DIGEST_LENGTH);
3520 ec2b23c5 2022-07-01 thomas qid->data = (void *)icommit.color;
3521 ec2b23c5 2022-07-01 thomas STAILQ_INSERT_TAIL(new_ids, qid, entry);
3525 ec2b23c5 2022-07-01 thomas imsg_free(&imsg);
3528 f9c2e8e5 2022-02-13 thomas return err;
3531 f9c2e8e5 2022-02-13 thomas const struct got_error *
3532 63219cd2 2019-01-04 stsp got_privsep_unveil_exec_helpers(void)
3534 c39c25dd 2019-08-09 stsp const char *helpers[] = {
3535 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_PACK,
3536 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_OBJECT,
3537 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_COMMIT,
3538 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TREE,
3539 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_BLOB,
3540 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TAG,
3541 aba9c984 2019-09-08 stsp GOT_PATH_PROG_READ_GITCONFIG,
3542 257add31 2020-09-09 stsp GOT_PATH_PROG_READ_GOTCONFIG,
3543 069bbb86 2022-03-07 thomas GOT_PATH_PROG_READ_PATCH,
3544 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_FETCH_PACK,
3545 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_INDEX_PACK,
3546 f8a36e22 2021-08-26 stsp GOT_PATH_PROG_SEND_PACK,
3550 c39c25dd 2019-08-09 stsp for (i = 0; i < nitems(helpers); i++) {
3551 c39c25dd 2019-08-09 stsp if (unveil(helpers[i], "x") == 0)
3553 c39c25dd 2019-08-09 stsp return got_error_from_errno2("unveil", helpers[i]);
3556 63219cd2 2019-01-04 stsp return NULL;
3560 aba9c984 2019-09-08 stsp got_privsep_exec_child(int imsg_fds[2], const char *path, const char *repo_path)
3562 08578a35 2021-01-22 stsp if (close(imsg_fds[0]) == -1) {
3563 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3567 aba9c984 2019-09-08 stsp if (dup2(imsg_fds[1], GOT_IMSG_FD_CHILD) == -1) {
3568 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3572 ce95518e 2021-12-10 thomas closefrom(GOT_IMSG_FD_CHILD + 1);
3574 aba9c984 2019-09-08 stsp if (execl(path, path, repo_path, (char *)NULL) == -1) {
3575 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s: %s\n", getprogname(), path,
3576 aba9c984 2019-09-08 stsp strerror(errno));
