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 7abf1863 2023-02-20 thomas const char *worktree_branch, const char *remote_head,
536 7abf1863 2023-02-20 thomas int no_head, int verbosity)
538 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
539 33501562 2020-03-18 stsp struct ibuf *wbuf;
540 33501562 2020-03-18 stsp struct got_pathlist_entry *pe;
541 4ba14133 2020-03-20 stsp struct got_imsg_fetch_request fetchreq;
542 7abf1863 2023-02-20 thomas size_t remote_head_len, worktree_branch_len, len = sizeof(fetchreq);
544 84073f62 2023-02-07 thomas if (worktree_branch) {
545 84073f62 2023-02-07 thomas worktree_branch_len = strlen(worktree_branch);
546 7abf1863 2023-02-20 thomas len += worktree_branch_len;
548 7abf1863 2023-02-20 thomas if (remote_head) {
549 7abf1863 2023-02-20 thomas remote_head_len = strlen(remote_head);
550 7abf1863 2023-02-20 thomas len += remote_head_len;
553 9d0a7ee3 2023-02-07 thomas if (len >= MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
554 9d0a7ee3 2023-02-07 thomas close(fd);
555 9d0a7ee3 2023-02-07 thomas return got_error(GOT_ERR_NO_SPACE);
558 9d0a7ee3 2023-02-07 thomas wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_REQUEST, 0, 0, len);
559 9d0a7ee3 2023-02-07 thomas if (wbuf == NULL)
560 9d0a7ee3 2023-02-07 thomas return got_error_from_errno("imsg_create FETCH_HAVE_REF");
562 4ba14133 2020-03-20 stsp memset(&fetchreq, 0, sizeof(fetchreq));
563 e0380e3d 2023-02-17 thomas fetchreq.no_head = no_head;
564 4ba14133 2020-03-20 stsp fetchreq.fetch_all_branches = fetch_all_branches;
565 41b0de12 2020-03-21 stsp fetchreq.list_refs_only = list_refs_only;
566 2690194b 2020-03-21 stsp fetchreq.verbosity = verbosity;
567 9d0a7ee3 2023-02-07 thomas if (worktree_branch != NULL)
568 84073f62 2023-02-07 thomas fetchreq.worktree_branch_len = worktree_branch_len;
569 7abf1863 2023-02-20 thomas if (remote_head != NULL)
570 7abf1863 2023-02-20 thomas fetchreq.remote_head_len = remote_head_len;
571 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, have_refs, entry)
572 4ba14133 2020-03-20 stsp fetchreq.n_have_refs++;
573 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry)
574 4ba14133 2020-03-20 stsp fetchreq.n_wanted_branches++;
575 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry)
576 0e4002ca 2020-03-21 stsp fetchreq.n_wanted_refs++;
577 9d0a7ee3 2023-02-07 thomas if (imsg_add(wbuf, &fetchreq, sizeof(fetchreq)) == -1)
578 9d0a7ee3 2023-02-07 thomas return got_error_from_errno("imsg_add FETCH_REQUEST");
579 9d0a7ee3 2023-02-07 thomas if (worktree_branch) {
580 84073f62 2023-02-07 thomas if (imsg_add(wbuf, worktree_branch, worktree_branch_len) == -1)
581 9d0a7ee3 2023-02-07 thomas return got_error_from_errno("imsg_add FETCH_REQUEST");
583 7abf1863 2023-02-20 thomas if (remote_head) {
584 7abf1863 2023-02-20 thomas if (imsg_add(wbuf, remote_head, remote_head_len) == -1)
585 7abf1863 2023-02-20 thomas return got_error_from_errno("imsg_add FETCH_REQUEST");
587 9d0a7ee3 2023-02-07 thomas wbuf->fd = fd;
588 9d0a7ee3 2023-02-07 thomas imsg_close(ibuf, wbuf);
590 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
593 659e7fbd 2020-03-20 stsp return err;
597 33501562 2020-03-18 stsp TAILQ_FOREACH(pe, have_refs, entry) {
598 33501562 2020-03-18 stsp const char *name = pe->path;
599 33501562 2020-03-18 stsp size_t name_len = pe->path_len;
600 33501562 2020-03-18 stsp struct got_object_id *id = pe->data;
602 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_have_ref) + name_len;
603 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_HAVE_REF, 0, 0, len);
604 4ba14133 2020-03-20 stsp if (wbuf == NULL)
605 4ba14133 2020-03-20 stsp return got_error_from_errno("imsg_create FETCH_HAVE_REF");
607 33501562 2020-03-18 stsp /* Keep in sync with struct got_imsg_fetch_have_ref! */
608 f9f54468 2023-02-03 thomas if (imsg_add(wbuf, id, sizeof(*id)) == -1)
609 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add FETCH_HAVE_REF");
610 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
611 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add FETCH_HAVE_REF");
612 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
613 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add FETCH_HAVE_REF");
615 4ba14133 2020-03-20 stsp wbuf->fd = -1;
616 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
617 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
619 4ba14133 2020-03-20 stsp return err;
622 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry) {
623 4ba14133 2020-03-20 stsp const char *name = pe->path;
624 4ba14133 2020-03-20 stsp size_t name_len = pe->path_len;
626 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_wanted_branch) + name_len;
627 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_BRANCH, 0, 0,
629 4ba14133 2020-03-20 stsp if (wbuf == NULL)
630 4ba14133 2020-03-20 stsp return got_error_from_errno(
631 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_BRANCH");
633 4ba14133 2020-03-20 stsp /* Keep in sync with struct got_imsg_fetch_wanted_branch! */
634 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
635 e9f1a409 2022-05-19 thomas return got_error_from_errno(
636 4ba14133 2020-03-20 stsp "imsg_add FETCH_WANTED_BRANCH");
637 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
638 e9f1a409 2022-05-19 thomas return got_error_from_errno(
639 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_BRANCH");
641 4ba14133 2020-03-20 stsp wbuf->fd = -1;
642 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
643 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
645 4ba14133 2020-03-20 stsp return err;
648 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry) {
649 0e4002ca 2020-03-21 stsp const char *name = pe->path;
650 0e4002ca 2020-03-21 stsp size_t name_len = pe->path_len;
652 0e4002ca 2020-03-21 stsp len = sizeof(struct got_imsg_fetch_wanted_ref) + name_len;
653 0e4002ca 2020-03-21 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_REF, 0, 0,
655 0e4002ca 2020-03-21 stsp if (wbuf == NULL)
656 0e4002ca 2020-03-21 stsp return got_error_from_errno(
657 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_REF");
659 0e4002ca 2020-03-21 stsp /* Keep in sync with struct got_imsg_fetch_wanted_ref! */
660 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
661 e9f1a409 2022-05-19 thomas return got_error_from_errno(
662 0e4002ca 2020-03-21 stsp "imsg_add FETCH_WANTED_REF");
663 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
664 e9f1a409 2022-05-19 thomas return got_error_from_errno(
665 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_REF");
667 0e4002ca 2020-03-21 stsp wbuf->fd = -1;
668 0e4002ca 2020-03-21 stsp imsg_close(ibuf, wbuf);
669 0e4002ca 2020-03-21 stsp err = flush_imsg(ibuf);
671 0e4002ca 2020-03-21 stsp return err;
675 4ba14133 2020-03-20 stsp return NULL;
679 93658fb9 2020-03-18 stsp const struct got_error *
680 f826addf 2020-03-18 stsp got_privsep_send_fetch_outfd(struct imsgbuf *ibuf, int fd)
682 f826addf 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_FETCH_OUTFD, fd);
685 531c3985 2020-03-18 stsp const struct got_error *
686 8f2d01a6 2020-03-18 stsp got_privsep_recv_fetch_progress(int *done, struct got_object_id **id,
687 531c3985 2020-03-18 stsp char **refname, struct got_pathlist_head *symrefs, char **server_progress,
688 1d72a2a0 2020-03-24 stsp off_t *packfile_size, uint8_t *pack_sha1, struct imsgbuf *ibuf)
690 b9f99abf 2020-03-18 stsp const struct got_error *err = NULL;
691 b9f99abf 2020-03-18 stsp struct imsg imsg;
692 b9f99abf 2020-03-18 stsp size_t datalen;
693 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symrefs *isymrefs = NULL;
694 abe0f35f 2020-03-18 stsp size_t n, remain;
699 8f2d01a6 2020-03-18 stsp *id = NULL;
700 b9f99abf 2020-03-18 stsp *refname = NULL;
701 531c3985 2020-03-18 stsp *server_progress = NULL;
702 5a489642 2020-03-19 stsp *packfile_size = 0;
703 1d72a2a0 2020-03-24 stsp memset(pack_sha1, 0, SHA1_DIGEST_LENGTH);
705 531c3985 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
707 b9f99abf 2020-03-18 stsp return err;
709 b9f99abf 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
710 b9f99abf 2020-03-18 stsp switch (imsg.hdr.type) {
711 abe0f35f 2020-03-18 stsp case GOT_IMSG_FETCH_SYMREFS:
712 abe0f35f 2020-03-18 stsp if (datalen < sizeof(*isymrefs)) {
713 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
716 abe0f35f 2020-03-18 stsp if (isymrefs != NULL) {
717 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
720 abe0f35f 2020-03-18 stsp isymrefs = (struct got_imsg_fetch_symrefs *)imsg.data;
721 abe0f35f 2020-03-18 stsp off = sizeof(*isymrefs);
722 abe0f35f 2020-03-18 stsp remain = datalen - off;
723 abe0f35f 2020-03-18 stsp for (n = 0; n < isymrefs->nsymrefs; n++) {
724 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symref *s;
725 abe0f35f 2020-03-18 stsp char *name, *target;
726 abe0f35f 2020-03-18 stsp if (remain < sizeof(struct got_imsg_fetch_symref)) {
727 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
730 abe0f35f 2020-03-18 stsp s = (struct got_imsg_fetch_symref *)(imsg.data + off);
731 abe0f35f 2020-03-18 stsp off += sizeof(*s);
732 abe0f35f 2020-03-18 stsp remain -= sizeof(*s);
733 abe0f35f 2020-03-18 stsp if (remain < s->name_len) {
734 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
737 abe0f35f 2020-03-18 stsp name = strndup(imsg.data + off, s->name_len);
738 abe0f35f 2020-03-18 stsp if (name == NULL) {
739 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
742 abe0f35f 2020-03-18 stsp off += s->name_len;
743 abe0f35f 2020-03-18 stsp remain -= s->name_len;
744 abe0f35f 2020-03-18 stsp if (remain < s->target_len) {
745 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
746 abe0f35f 2020-03-18 stsp free(name);
749 abe0f35f 2020-03-18 stsp target = strndup(imsg.data + off, s->target_len);
750 abe0f35f 2020-03-18 stsp if (target == NULL) {
751 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
752 abe0f35f 2020-03-18 stsp free(name);
755 abe0f35f 2020-03-18 stsp off += s->target_len;
756 abe0f35f 2020-03-18 stsp remain -= s->target_len;
757 abe0f35f 2020-03-18 stsp err = got_pathlist_append(symrefs, name, target);
759 abe0f35f 2020-03-18 stsp free(name);
760 abe0f35f 2020-03-18 stsp free(target);
765 ea7396b9 2020-03-18 stsp case GOT_IMSG_FETCH_REF:
766 9228a15c 2023-02-03 thomas if (datalen <= sizeof(**id)) {
767 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
770 8f2d01a6 2020-03-18 stsp *id = malloc(sizeof(**id));
771 8f2d01a6 2020-03-18 stsp if (*id == NULL) {
772 b9f99abf 2020-03-18 stsp err = got_error_from_errno("malloc");
775 9228a15c 2023-02-03 thomas memcpy(*id, imsg.data, sizeof(**id));
776 9228a15c 2023-02-03 thomas *refname = strndup(imsg.data + sizeof(**id),
777 9228a15c 2023-02-03 thomas datalen - sizeof(**id));
778 b9f99abf 2020-03-18 stsp if (*refname == NULL) {
779 b9f99abf 2020-03-18 stsp err = got_error_from_errno("strndup");
783 531c3985 2020-03-18 stsp case GOT_IMSG_FETCH_SERVER_PROGRESS:
784 531c3985 2020-03-18 stsp if (datalen == 0) {
785 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
788 531c3985 2020-03-18 stsp *server_progress = strndup(imsg.data, datalen);
789 531c3985 2020-03-18 stsp if (*server_progress == NULL) {
790 531c3985 2020-03-18 stsp err = got_error_from_errno("strndup");
793 531c3985 2020-03-18 stsp for (i = 0; i < datalen; i++) {
794 531c3985 2020-03-18 stsp if (!isprint((unsigned char)(*server_progress)[i]) &&
795 531c3985 2020-03-18 stsp !isspace((unsigned char)(*server_progress)[i])) {
796 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
797 531c3985 2020-03-18 stsp free(*server_progress);
798 531c3985 2020-03-18 stsp *server_progress = NULL;
803 d2cdc636 2020-03-18 stsp case GOT_IMSG_FETCH_DOWNLOAD_PROGRESS:
804 d2cdc636 2020-03-18 stsp if (datalen < sizeof(*packfile_size)) {
805 d2cdc636 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
808 d2cdc636 2020-03-18 stsp memcpy(packfile_size, imsg.data, sizeof(*packfile_size));
810 8f2d01a6 2020-03-18 stsp case GOT_IMSG_FETCH_DONE:
811 8f2d01a6 2020-03-18 stsp if (datalen != SHA1_DIGEST_LENGTH) {
812 8f2d01a6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
815 1d72a2a0 2020-03-24 stsp memcpy(pack_sha1, imsg.data, SHA1_DIGEST_LENGTH);
819 b887aab6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
825 8f2d01a6 2020-03-18 stsp *id = NULL;
826 b887aab6 2020-03-18 stsp free(*refname);
827 b887aab6 2020-03-18 stsp *refname = NULL;
829 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
830 f8a36e22 2021-08-26 stsp return err;
833 f8a36e22 2021-08-26 stsp static const struct got_error *
834 f8a36e22 2021-08-26 stsp send_send_ref(const char *name, size_t name_len, struct got_object_id *id,
835 f8a36e22 2021-08-26 stsp int delete, struct imsgbuf *ibuf)
837 f8a36e22 2021-08-26 stsp size_t len;
838 f8a36e22 2021-08-26 stsp struct ibuf *wbuf;
840 f8a36e22 2021-08-26 stsp len = sizeof(struct got_imsg_send_ref) + name_len;
841 f8a36e22 2021-08-26 stsp wbuf = imsg_create(ibuf, GOT_IMSG_SEND_REF, 0, 0, len);
842 f8a36e22 2021-08-26 stsp if (wbuf == NULL)
843 f8a36e22 2021-08-26 stsp return got_error_from_errno("imsg_create SEND_REF");
845 f8a36e22 2021-08-26 stsp /* Keep in sync with struct got_imsg_send_ref! */
846 ea58e974 2023-02-03 thomas if (imsg_add(wbuf, id, sizeof(*id)) == -1)
847 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
848 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &delete, sizeof(delete)) == -1)
849 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
850 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
851 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
852 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
853 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
855 f8a36e22 2021-08-26 stsp wbuf->fd = -1;
856 f8a36e22 2021-08-26 stsp imsg_close(ibuf, wbuf);
857 f8a36e22 2021-08-26 stsp return flush_imsg(ibuf);
860 f8a36e22 2021-08-26 stsp const struct got_error *
861 f8a36e22 2021-08-26 stsp got_privsep_send_send_req(struct imsgbuf *ibuf, int fd,
862 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs,
863 abc59930 2021-09-05 naddy struct got_pathlist_head *delete_refs,
864 abc59930 2021-09-05 naddy int verbosity)
866 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
867 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *pe;
868 f8a36e22 2021-08-26 stsp struct got_imsg_send_request sendreq;
869 f8a36e22 2021-08-26 stsp struct got_object_id zero_id;
871 f8a36e22 2021-08-26 stsp memset(&zero_id, 0, sizeof(zero_id));
872 f8a36e22 2021-08-26 stsp memset(&sendreq, 0, sizeof(sendreq));
873 f8a36e22 2021-08-26 stsp sendreq.verbosity = verbosity;
874 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry)
875 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
876 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry)
877 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
878 f8a36e22 2021-08-26 stsp if (imsg_compose(ibuf, GOT_IMSG_SEND_REQUEST, 0, 0, fd,
879 f8a36e22 2021-08-26 stsp &sendreq, sizeof(sendreq)) == -1) {
880 f8a36e22 2021-08-26 stsp err = got_error_from_errno(
881 f8a36e22 2021-08-26 stsp "imsg_compose FETCH_SERVER_PROGRESS");
885 f8a36e22 2021-08-26 stsp err = flush_imsg(ibuf);
890 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry) {
891 f8a36e22 2021-08-26 stsp const char *name = pe->path;
892 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
893 f8a36e22 2021-08-26 stsp struct got_object_id *id = pe->data;
894 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, id, 0, ibuf);
899 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry) {
900 f8a36e22 2021-08-26 stsp const char *name = pe->path;
901 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
902 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, &zero_id, 1, ibuf);
907 f8a36e22 2021-08-26 stsp if (fd != -1 && close(fd) == -1 && err == NULL)
908 f8a36e22 2021-08-26 stsp err = got_error_from_errno("close");
909 f8a36e22 2021-08-26 stsp return err;
913 f8a36e22 2021-08-26 stsp const struct got_error *
914 f8a36e22 2021-08-26 stsp got_privsep_recv_send_remote_refs(struct got_pathlist_head *remote_refs,
915 f8a36e22 2021-08-26 stsp struct imsgbuf *ibuf)
917 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
918 f8a36e22 2021-08-26 stsp struct imsg imsg;
919 f8a36e22 2021-08-26 stsp size_t datalen;
920 f8a36e22 2021-08-26 stsp int done = 0;
921 f8a36e22 2021-08-26 stsp struct got_imsg_send_remote_ref iremote_ref;
922 f8a36e22 2021-08-26 stsp struct got_object_id *id = NULL;
923 f8a36e22 2021-08-26 stsp char *refname = NULL;
924 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *new;
926 f8a36e22 2021-08-26 stsp while (!done) {
927 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
929 f8a36e22 2021-08-26 stsp return err;
930 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
931 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
932 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REMOTE_REF:
933 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iremote_ref)) {
934 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
937 f8a36e22 2021-08-26 stsp memcpy(&iremote_ref, imsg.data, sizeof(iremote_ref));
938 f8a36e22 2021-08-26 stsp if (datalen != sizeof(iremote_ref) +
939 f8a36e22 2021-08-26 stsp iremote_ref.name_len) {
940 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
943 f8a36e22 2021-08-26 stsp id = malloc(sizeof(*id));
944 f8a36e22 2021-08-26 stsp if (id == NULL) {
945 f8a36e22 2021-08-26 stsp err = got_error_from_errno("malloc");
948 0f23036a 2023-02-03 thomas memcpy(id, &iremote_ref.id, sizeof(*id));
949 f8a36e22 2021-08-26 stsp refname = strndup(imsg.data + sizeof(iremote_ref),
950 f8a36e22 2021-08-26 stsp datalen - sizeof(iremote_ref));
951 f8a36e22 2021-08-26 stsp if (refname == NULL) {
952 f8a36e22 2021-08-26 stsp err = got_error_from_errno("strndup");
955 f8a36e22 2021-08-26 stsp err = got_pathlist_insert(&new, remote_refs,
956 f8a36e22 2021-08-26 stsp refname, id);
959 f8a36e22 2021-08-26 stsp if (new == NULL) { /* duplicate which wasn't inserted */
961 f8a36e22 2021-08-26 stsp free(refname);
964 f8a36e22 2021-08-26 stsp refname = NULL;
966 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_PACK_REQUEST:
967 f8a36e22 2021-08-26 stsp if (datalen != 0) {
968 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
971 f8a36e22 2021-08-26 stsp /* got-send-pack is now waiting for a pack file. */
975 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
981 f8a36e22 2021-08-26 stsp free(refname);
982 b9f99abf 2020-03-18 stsp imsg_free(&imsg);
983 b9f99abf 2020-03-18 stsp return err;
986 93658fb9 2020-03-18 stsp const struct got_error *
987 f8a36e22 2021-08-26 stsp got_privsep_send_packfd(struct imsgbuf *ibuf, int fd)
989 f8a36e22 2021-08-26 stsp return send_fd(ibuf, GOT_IMSG_SEND_PACKFD, fd);
992 f8a36e22 2021-08-26 stsp const struct got_error *
993 f8a36e22 2021-08-26 stsp got_privsep_recv_send_progress(int *done, off_t *bytes_sent,
994 3fe5d0fe 2022-11-17 thomas int *success, char **refname, char **errmsg, struct imsgbuf *ibuf)
996 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
997 f8a36e22 2021-08-26 stsp struct imsg imsg;
998 f8a36e22 2021-08-26 stsp size_t datalen;
999 f8a36e22 2021-08-26 stsp struct got_imsg_send_ref_status iref_status;
1001 f8a36e22 2021-08-26 stsp /* Do not reset the current value of 'bytes_sent', it accumulates. */
1002 f8a36e22 2021-08-26 stsp *done = 0;
1003 f8a36e22 2021-08-26 stsp *success = 0;
1004 f8a36e22 2021-08-26 stsp *refname = NULL;
1005 3fe5d0fe 2022-11-17 thomas *errmsg = NULL;
1007 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1009 f8a36e22 2021-08-26 stsp return err;
1011 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1012 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
1013 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_UPLOAD_PROGRESS:
1014 f8a36e22 2021-08-26 stsp if (datalen < sizeof(*bytes_sent)) {
1015 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1018 f8a36e22 2021-08-26 stsp memcpy(bytes_sent, imsg.data, sizeof(*bytes_sent));
1020 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REF_STATUS:
1021 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iref_status)) {
1022 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1025 f8a36e22 2021-08-26 stsp memcpy(&iref_status, imsg.data, sizeof(iref_status));
1026 3fe5d0fe 2022-11-17 thomas if (datalen != sizeof(iref_status) + iref_status.name_len +
1027 3fe5d0fe 2022-11-17 thomas iref_status.errmsg_len) {
1028 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1031 f8a36e22 2021-08-26 stsp *success = iref_status.success;
1032 f8a36e22 2021-08-26 stsp *refname = strndup(imsg.data + sizeof(iref_status),
1033 f8a36e22 2021-08-26 stsp iref_status.name_len);
1035 3fe5d0fe 2022-11-17 thomas if (iref_status.errmsg_len != 0)
1036 3fe5d0fe 2022-11-17 thomas *errmsg = strndup(imsg.data + sizeof(iref_status) +
1037 3fe5d0fe 2022-11-17 thomas iref_status.name_len, iref_status.errmsg_len);
1039 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_DONE:
1040 f8a36e22 2021-08-26 stsp if (datalen != 0) {
1041 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1044 f8a36e22 2021-08-26 stsp *done = 1;
1047 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1051 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
1052 f8a36e22 2021-08-26 stsp return err;
1055 f8a36e22 2021-08-26 stsp const struct got_error *
1056 fd251256 2020-03-24 stsp got_privsep_send_index_pack_req(struct imsgbuf *ibuf, uint8_t *pack_sha1,
1059 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1061 668a20f6 2020-03-18 stsp /* Keep in sync with struct got_imsg_index_pack_request */
1062 93658fb9 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_IDXPACK_REQUEST, 0, 0, fd,
1063 fd251256 2020-03-24 stsp pack_sha1, SHA1_DIGEST_LENGTH) == -1) {
1064 93658fb9 2020-03-18 stsp err = got_error_from_errno("imsg_compose INDEX_REQUEST");
1065 93658fb9 2020-03-18 stsp close(fd);
1066 93658fb9 2020-03-18 stsp return err;
1068 baa9fea0 2020-03-18 stsp return flush_imsg(ibuf);
1071 baa9fea0 2020-03-18 stsp const struct got_error *
1072 73ab1060 2020-03-18 stsp got_privsep_send_index_pack_outfd(struct imsgbuf *ibuf, int fd)
1074 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_IDXPACK_OUTFD, fd);
1077 73ab1060 2020-03-18 stsp const struct got_error *
1078 668a20f6 2020-03-18 stsp got_privsep_recv_index_progress(int *done, int *nobj_total,
1079 668a20f6 2020-03-18 stsp int *nobj_indexed, int *nobj_loose, int *nobj_resolved,
1080 668a20f6 2020-03-18 stsp struct imsgbuf *ibuf)
1082 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1083 93658fb9 2020-03-18 stsp struct imsg imsg;
1084 baa9fea0 2020-03-18 stsp struct got_imsg_index_pack_progress *iprogress;
1085 baa9fea0 2020-03-18 stsp size_t datalen;
1087 baa9fea0 2020-03-18 stsp *done = 0;
1088 668a20f6 2020-03-18 stsp *nobj_total = 0;
1089 668a20f6 2020-03-18 stsp *nobj_indexed = 0;
1090 668a20f6 2020-03-18 stsp *nobj_resolved = 0;
1092 93658fb9 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1094 93658fb9 2020-03-18 stsp return err;
1096 baa9fea0 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1097 baa9fea0 2020-03-18 stsp switch (imsg.hdr.type) {
1098 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_PROGRESS:
1099 baa9fea0 2020-03-18 stsp if (datalen < sizeof(*iprogress)) {
1100 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1103 baa9fea0 2020-03-18 stsp iprogress = (struct got_imsg_index_pack_progress *)imsg.data;
1104 31d32634 2022-06-23 thomas if (iprogress->nobj_total < 0 || iprogress->nobj_indexed < 0 ||
1105 31d32634 2022-06-23 thomas iprogress->nobj_loose < 0 || iprogress->nobj_resolved < 0) {
1106 31d32634 2022-06-23 thomas err = got_error(GOT_ERR_RANGE);
1109 668a20f6 2020-03-18 stsp *nobj_total = iprogress->nobj_total;
1110 668a20f6 2020-03-18 stsp *nobj_indexed = iprogress->nobj_indexed;
1111 668a20f6 2020-03-18 stsp *nobj_loose = iprogress->nobj_loose;
1112 668a20f6 2020-03-18 stsp *nobj_resolved = iprogress->nobj_resolved;
1114 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_DONE:
1115 baa9fea0 2020-03-18 stsp if (datalen != 0) {
1116 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1119 baa9fea0 2020-03-18 stsp *done = 1;
1122 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1126 93658fb9 2020-03-18 stsp imsg_free(&imsg);
1127 baa9fea0 2020-03-18 stsp return err;
1130 93658fb9 2020-03-18 stsp const struct got_error *
1131 cfd633c2 2018-09-10 stsp got_privsep_get_imsg_obj(struct got_object **obj, struct imsg *imsg,
1132 cfd633c2 2018-09-10 stsp struct imsgbuf *ibuf)
1134 291624d8 2018-11-07 stsp struct got_imsg_object *iobj;
1135 cfd633c2 2018-09-10 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1137 291624d8 2018-11-07 stsp if (datalen != sizeof(*iobj))
1138 cfd633c2 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1139 291624d8 2018-11-07 stsp iobj = imsg->data;
1141 31d32634 2022-06-23 thomas if (iobj->pack_offset < 0)
1142 31d32634 2022-06-23 thomas return got_error(GOT_ERR_PACK_OFFSET);
1144 cfd633c2 2018-09-10 stsp *obj = calloc(1, sizeof(**obj));
1145 cfd633c2 2018-09-10 stsp if (*obj == NULL)
1146 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
1148 fc842fc8 2023-02-03 thomas memcpy(&(*obj)->id, &iobj->id, sizeof(iobj->id));
1149 291624d8 2018-11-07 stsp (*obj)->type = iobj->type;
1150 291624d8 2018-11-07 stsp (*obj)->flags = iobj->flags;
1151 291624d8 2018-11-07 stsp (*obj)->hdrlen = iobj->hdrlen;
1152 291624d8 2018-11-07 stsp (*obj)->size = iobj->size;
1153 c59b3346 2018-09-11 stsp /* path_packfile is handled by caller */
1154 291624d8 2018-11-07 stsp if (iobj->flags & GOT_OBJ_FLAG_PACKED) {
1155 291624d8 2018-11-07 stsp (*obj)->pack_offset = iobj->pack_offset;
1156 291624d8 2018-11-07 stsp (*obj)->pack_idx = iobj->pack_idx;
1158 772802ae 2022-01-27 thomas STAILQ_INIT(&(*obj)->deltas.entries);
1159 772802ae 2022-01-27 thomas return NULL;
1162 2178c42e 2018-04-22 stsp const struct got_error *
1163 2178c42e 2018-04-22 stsp got_privsep_recv_obj(struct got_object **obj, struct imsgbuf *ibuf)
1165 2178c42e 2018-04-22 stsp const struct got_error *err = NULL;
1166 2178c42e 2018-04-22 stsp struct imsg imsg;
1167 c4eae628 2018-04-23 stsp const size_t min_datalen =
1168 c4eae628 2018-04-23 stsp MIN(sizeof(struct got_imsg_error), sizeof(struct got_imsg_object));
1170 2178c42e 2018-04-22 stsp *obj = NULL;
1172 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1174 2178c42e 2018-04-22 stsp return err;
1176 2178c42e 2018-04-22 stsp switch (imsg.hdr.type) {
1177 2178c42e 2018-04-22 stsp case GOT_IMSG_OBJECT:
1178 cfd633c2 2018-09-10 stsp err = got_privsep_get_imsg_obj(obj, &imsg, ibuf);
1181 bff6ca00 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1185 bff6ca00 2018-04-23 stsp imsg_free(&imsg);
1187 bff6ca00 2018-04-23 stsp return err;
1190 c75f7264 2018-09-11 stsp static const struct got_error *
1191 c75f7264 2018-09-11 stsp send_commit_logmsg(struct imsgbuf *ibuf, struct got_commit_object *commit,
1192 c75f7264 2018-09-11 stsp size_t logmsg_len)
1194 fa4ffeb3 2018-11-04 stsp const struct got_error *err = NULL;
1195 c75f7264 2018-09-11 stsp size_t offset, remain;
1197 c75f7264 2018-09-11 stsp offset = 0;
1198 c75f7264 2018-09-11 stsp remain = logmsg_len;
1199 c75f7264 2018-09-11 stsp while (remain > 0) {
1200 c75f7264 2018-09-11 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1202 c75f7264 2018-09-11 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_LOGMSG, 0, 0, -1,
1203 fa4ffeb3 2018-11-04 stsp commit->logmsg + offset, n) == -1) {
1204 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose "
1205 230a42bd 2019-05-11 jcs "COMMIT_LOGMSG");
1209 fa4ffeb3 2018-11-04 stsp err = flush_imsg(ibuf);
1213 c75f7264 2018-09-11 stsp offset += n;
1214 c75f7264 2018-09-11 stsp remain -= n;
1217 fa4ffeb3 2018-11-04 stsp return err;
1220 bff6ca00 2018-04-23 stsp const struct got_error *
1221 068fd2bf 2018-04-24 stsp got_privsep_send_commit(struct imsgbuf *ibuf, struct got_commit_object *commit)
1223 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1224 b9c33926 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1225 bff6ca00 2018-04-23 stsp uint8_t *buf;
1226 bff6ca00 2018-04-23 stsp size_t len, total;
1227 79f35eb3 2018-06-11 stsp struct got_object_qid *qid;
1228 b9c33926 2018-11-07 stsp size_t author_len = strlen(commit->author);
1229 b9c33926 2018-11-07 stsp size_t committer_len = strlen(commit->committer);
1230 c75f7264 2018-09-11 stsp size_t logmsg_len = strlen(commit->logmsg);
1232 b9c33926 2018-11-07 stsp total = sizeof(*icommit) + author_len + committer_len +
1233 e4c85b49 2023-02-03 thomas commit->nparents * sizeof(struct got_object_id);
1235 bff6ca00 2018-04-23 stsp buf = malloc(total);
1236 bff6ca00 2018-04-23 stsp if (buf == NULL)
1237 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1239 b9c33926 2018-11-07 stsp icommit = (struct got_imsg_commit_object *)buf;
1240 e4c85b49 2023-02-03 thomas memcpy(&icommit->tree_id, commit->tree_id, sizeof(icommit->tree_id));
1241 b9c33926 2018-11-07 stsp icommit->author_len = author_len;
1242 b9c33926 2018-11-07 stsp icommit->author_time = commit->author_time;
1243 b9c33926 2018-11-07 stsp icommit->author_gmtoff = commit->author_gmtoff;
1244 b9c33926 2018-11-07 stsp icommit->committer_len = committer_len;
1245 b9c33926 2018-11-07 stsp icommit->committer_time = commit->committer_time;
1246 b9c33926 2018-11-07 stsp icommit->committer_gmtoff = commit->committer_gmtoff;
1247 b9c33926 2018-11-07 stsp icommit->logmsg_len = logmsg_len;
1248 b9c33926 2018-11-07 stsp icommit->nparents = commit->nparents;
1250 b9c33926 2018-11-07 stsp len = sizeof(*icommit);
1251 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->author, author_len);
1252 b9c33926 2018-11-07 stsp len += author_len;
1253 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->committer, committer_len);
1254 b9c33926 2018-11-07 stsp len += committer_len;
1255 dbdddfee 2021-06-23 naddy STAILQ_FOREACH(qid, &commit->parent_ids, entry) {
1256 e4c85b49 2023-02-03 thomas memcpy(buf + len, &qid->id, sizeof(qid->id));
1257 e4c85b49 2023-02-03 thomas len += sizeof(qid->id);
1260 bff6ca00 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT, 0, 0, -1, buf, len) == -1) {
1261 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT");
1262 bff6ca00 2018-04-23 stsp goto done;
1265 904df868 2018-11-04 stsp if (logmsg_len == 0 ||
1266 904df868 2018-11-04 stsp logmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1267 904df868 2018-11-04 stsp err = flush_imsg(ibuf);
1269 904df868 2018-11-04 stsp goto done;
1271 c75f7264 2018-09-11 stsp err = send_commit_logmsg(ibuf, commit, logmsg_len);
1273 bff6ca00 2018-04-23 stsp free(buf);
1274 bff6ca00 2018-04-23 stsp return err;
1277 ca6e02ac 2020-01-07 stsp static const struct got_error *
1278 ca6e02ac 2020-01-07 stsp get_commit_from_imsg(struct got_commit_object **commit,
1279 ca6e02ac 2020-01-07 stsp struct imsg *imsg, size_t datalen, struct imsgbuf *ibuf)
1281 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1282 291624d8 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1283 ca6e02ac 2020-01-07 stsp size_t len = 0;
1286 ca6e02ac 2020-01-07 stsp if (datalen < sizeof(*icommit))
1287 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1289 ca6e02ac 2020-01-07 stsp icommit = imsg->data;
1290 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommit) + icommit->author_len +
1291 ca6e02ac 2020-01-07 stsp icommit->committer_len +
1292 e4c85b49 2023-02-03 thomas icommit->nparents * sizeof(struct got_object_id))
1293 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1295 ca6e02ac 2020-01-07 stsp if (icommit->nparents < 0)
1296 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1298 ca6e02ac 2020-01-07 stsp len += sizeof(*icommit);
1300 ca6e02ac 2020-01-07 stsp *commit = got_object_commit_alloc_partial();
1301 ca6e02ac 2020-01-07 stsp if (*commit == NULL)
1302 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
1303 ca6e02ac 2020-01-07 stsp "got_object_commit_alloc_partial");
1305 e4c85b49 2023-02-03 thomas memcpy((*commit)->tree_id, &icommit->tree_id,
1306 e4c85b49 2023-02-03 thomas sizeof(icommit->tree_id));
1307 ca6e02ac 2020-01-07 stsp (*commit)->author_time = icommit->author_time;
1308 ca6e02ac 2020-01-07 stsp (*commit)->author_gmtoff = icommit->author_gmtoff;
1309 ca6e02ac 2020-01-07 stsp (*commit)->committer_time = icommit->committer_time;
1310 ca6e02ac 2020-01-07 stsp (*commit)->committer_gmtoff = icommit->committer_gmtoff;
1312 79b7acf3 2022-06-23 thomas (*commit)->author = strndup(imsg->data + len, icommit->author_len);
1313 79b7acf3 2022-06-23 thomas if ((*commit)->author == NULL) {
1314 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1315 79b7acf3 2022-06-23 thomas goto done;
1317 ca6e02ac 2020-01-07 stsp len += icommit->author_len;
1319 79b7acf3 2022-06-23 thomas (*commit)->committer = strndup(imsg->data + len,
1320 79b7acf3 2022-06-23 thomas icommit->committer_len);
1321 79b7acf3 2022-06-23 thomas if ((*commit)->committer == NULL) {
1322 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1323 79b7acf3 2022-06-23 thomas goto done;
1325 ca6e02ac 2020-01-07 stsp len += icommit->committer_len;
1327 ca6e02ac 2020-01-07 stsp if (icommit->logmsg_len == 0) {
1328 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = strdup("");
1329 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1330 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1331 ca6e02ac 2020-01-07 stsp goto done;
1334 ca6e02ac 2020-01-07 stsp size_t offset = 0, remain = icommit->logmsg_len;
1336 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = malloc(icommit->logmsg_len + 1);
1337 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1338 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1339 ca6e02ac 2020-01-07 stsp goto done;
1341 ca6e02ac 2020-01-07 stsp while (remain > 0) {
1342 ca6e02ac 2020-01-07 stsp struct imsg imsg_log;
1343 ca6e02ac 2020-01-07 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1346 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1348 ca6e02ac 2020-01-07 stsp goto done;
1350 ca6e02ac 2020-01-07 stsp if (imsg_log.hdr.type != GOT_IMSG_COMMIT_LOGMSG) {
1351 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1352 ca6e02ac 2020-01-07 stsp goto done;
1355 ca6e02ac 2020-01-07 stsp memcpy((*commit)->logmsg + offset,
1356 ca6e02ac 2020-01-07 stsp imsg_log.data, n);
1357 ca6e02ac 2020-01-07 stsp imsg_free(&imsg_log);
1358 ca6e02ac 2020-01-07 stsp offset += n;
1359 ca6e02ac 2020-01-07 stsp remain -= n;
1361 ca6e02ac 2020-01-07 stsp (*commit)->logmsg[icommit->logmsg_len] = '\0';
1364 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommit->nparents; i++) {
1365 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
1367 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
1370 ec242592 2022-04-22 thomas memcpy(&qid->id, imsg->data + len +
1371 e4c85b49 2023-02-03 thomas i * sizeof(qid->id), sizeof(qid->id));
1372 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(&(*commit)->parent_ids, qid, entry);
1373 ca6e02ac 2020-01-07 stsp (*commit)->nparents++;
1376 ca6e02ac 2020-01-07 stsp if (err) {
1377 ca6e02ac 2020-01-07 stsp got_object_commit_close(*commit);
1378 ca6e02ac 2020-01-07 stsp *commit = NULL;
1380 ca6e02ac 2020-01-07 stsp return err;
1383 ca6e02ac 2020-01-07 stsp const struct got_error *
1384 ca6e02ac 2020-01-07 stsp got_privsep_recv_commit(struct got_commit_object **commit, struct imsgbuf *ibuf)
1386 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
1387 ca6e02ac 2020-01-07 stsp struct imsg imsg;
1388 ca6e02ac 2020-01-07 stsp size_t datalen;
1389 ca6e02ac 2020-01-07 stsp const size_t min_datalen =
1390 ca6e02ac 2020-01-07 stsp MIN(sizeof(struct got_imsg_error),
1391 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_object));
1393 ca6e02ac 2020-01-07 stsp *commit = NULL;
1395 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1397 ca6e02ac 2020-01-07 stsp return err;
1399 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1401 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
1402 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
1403 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(commit, &imsg, datalen, ibuf);
1406 8c580685 2018-04-22 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1410 2178c42e 2018-04-22 stsp imsg_free(&imsg);
1412 e033d803 2018-04-23 stsp return err;
1415 06de99ad 2022-05-19 thomas static const struct got_error *
1416 63915ee5 2022-06-23 thomas send_tree_entries_batch(struct imsgbuf *ibuf,
1417 63915ee5 2022-06-23 thomas struct got_parsed_tree_entry *entries, int idx0, int idxN, size_t len)
1419 06de99ad 2022-05-19 thomas struct ibuf *wbuf;
1420 06de99ad 2022-05-19 thomas struct got_imsg_tree_entries ientries;
1423 c26ee7ad 2022-06-23 thomas memset(&ientries, 0, sizeof(ientries));
1425 06de99ad 2022-05-19 thomas wbuf = imsg_create(ibuf, GOT_IMSG_TREE_ENTRIES, 0, 0, len);
1426 06de99ad 2022-05-19 thomas if (wbuf == NULL)
1427 06de99ad 2022-05-19 thomas return got_error_from_errno("imsg_create TREE_ENTRY");
1429 06de99ad 2022-05-19 thomas ientries.nentries = idxN - idx0 + 1;
1430 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &ientries, sizeof(ientries)) == -1)
1431 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1433 06de99ad 2022-05-19 thomas for (i = idx0; i <= idxN; i++) {
1434 06de99ad 2022-05-19 thomas struct got_parsed_tree_entry *pte = &entries[i];
1436 2be33b09 2023-02-03 thomas /* Keep in sync with struct got_imsg_tree_entry definition! */
1437 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, pte->id, SHA1_DIGEST_LENGTH) == -1)
1438 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1439 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &pte->mode, sizeof(pte->mode)) == -1)
1440 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1441 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &pte->namelen, sizeof(pte->namelen)) == -1)
1442 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1444 06de99ad 2022-05-19 thomas /* Remaining bytes are the entry's name. */
1445 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, pte->name, pte->namelen) == -1)
1446 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1449 06de99ad 2022-05-19 thomas wbuf->fd = -1;
1450 06de99ad 2022-05-19 thomas imsg_close(ibuf, wbuf);
1451 06de99ad 2022-05-19 thomas return NULL;
1454 63915ee5 2022-06-23 thomas static const struct got_error *
1455 63915ee5 2022-06-23 thomas send_tree_entries(struct imsgbuf *ibuf, struct got_parsed_tree_entry *entries,
1456 63915ee5 2022-06-23 thomas int nentries)
1458 06de99ad 2022-05-19 thomas const struct got_error *err = NULL;
1459 06de99ad 2022-05-19 thomas int i, j;
1460 63915ee5 2022-06-23 thomas size_t entries_len = sizeof(struct got_imsg_tree_entries);
1463 06de99ad 2022-05-19 thomas for (j = 0; j < nentries; j++) {
1464 06de99ad 2022-05-19 thomas struct got_parsed_tree_entry *pte = &entries[j];
1465 11a2b20c 2023-02-17 thomas size_t len = sizeof(struct got_imsg_tree_entry) + pte->namelen;
1467 06de99ad 2022-05-19 thomas if (j > 0 &&
1468 06de99ad 2022-05-19 thomas entries_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1469 63915ee5 2022-06-23 thomas err = send_tree_entries_batch(ibuf, entries,
1470 06de99ad 2022-05-19 thomas i, j - 1, entries_len);
1471 06de99ad 2022-05-19 thomas if (err)
1472 06de99ad 2022-05-19 thomas return err;
1474 06de99ad 2022-05-19 thomas entries_len = sizeof(struct got_imsg_tree_entries);
1477 06de99ad 2022-05-19 thomas entries_len += len;
1480 06de99ad 2022-05-19 thomas if (j > 0) {
1481 63915ee5 2022-06-23 thomas err = send_tree_entries_batch(ibuf, entries, i, j - 1,
1482 63915ee5 2022-06-23 thomas entries_len);
1483 06de99ad 2022-05-19 thomas if (err)
1484 06de99ad 2022-05-19 thomas return err;
1487 63915ee5 2022-06-23 thomas return NULL;
1490 63915ee5 2022-06-23 thomas const struct got_error *
1491 63915ee5 2022-06-23 thomas got_privsep_send_tree(struct imsgbuf *ibuf,
1492 63915ee5 2022-06-23 thomas struct got_parsed_tree_entry *entries, int nentries)
1494 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
1495 63915ee5 2022-06-23 thomas struct got_imsg_tree_object itree;
1497 c26ee7ad 2022-06-23 thomas memset(&itree, 0, sizeof(itree));
1498 63915ee5 2022-06-23 thomas itree.nentries = nentries;
1499 63915ee5 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_TREE, 0, 0, -1, &itree, sizeof(itree))
1501 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_compose TREE");
1503 63915ee5 2022-06-23 thomas err = send_tree_entries(ibuf, entries, nentries);
1504 63915ee5 2022-06-23 thomas if (err)
1505 63915ee5 2022-06-23 thomas return err;
1507 b00c9821 2018-11-04 stsp return flush_imsg(ibuf);
1511 63915ee5 2022-06-23 thomas static const struct got_error *
1512 63915ee5 2022-06-23 thomas recv_tree_entries(void *data, size_t datalen, struct got_tree_object *tree,
1513 63915ee5 2022-06-23 thomas int *nentries)
1515 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
1516 63915ee5 2022-06-23 thomas struct got_imsg_tree_entries *ientries;
1517 63915ee5 2022-06-23 thomas struct got_tree_entry *te;
1518 63915ee5 2022-06-23 thomas size_t te_offset;
1519 63915ee5 2022-06-23 thomas size_t i;
1521 63915ee5 2022-06-23 thomas if (datalen <= sizeof(*ientries) ||
1522 63915ee5 2022-06-23 thomas datalen > MAX_IMSGSIZE - IMSG_HEADER_SIZE)
1523 63915ee5 2022-06-23 thomas return got_error(GOT_ERR_PRIVSEP_LEN);
1525 63915ee5 2022-06-23 thomas ientries = (struct got_imsg_tree_entries *)data;
1526 63915ee5 2022-06-23 thomas if (ientries->nentries > INT_MAX) {
1527 63915ee5 2022-06-23 thomas return got_error_msg(GOT_ERR_NO_SPACE,
1528 63915ee5 2022-06-23 thomas "too many tree entries");
1531 63915ee5 2022-06-23 thomas te_offset = sizeof(*ientries);
1532 63915ee5 2022-06-23 thomas for (i = 0; i < ientries->nentries; i++) {
1533 63915ee5 2022-06-23 thomas struct got_imsg_tree_entry ite;
1534 63915ee5 2022-06-23 thomas const char *te_name;
1535 63915ee5 2022-06-23 thomas uint8_t *buf = (uint8_t *)data + te_offset;
1537 63915ee5 2022-06-23 thomas if (te_offset >= datalen) {
1538 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1542 63915ee5 2022-06-23 thomas /* Might not be aligned, size is ~32 bytes. */
1543 63915ee5 2022-06-23 thomas memcpy(&ite, buf, sizeof(ite));
1545 63915ee5 2022-06-23 thomas if (ite.namelen >= sizeof(te->name)) {
1546 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1549 63915ee5 2022-06-23 thomas if (te_offset + sizeof(ite) + ite.namelen > datalen) {
1550 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1554 63915ee5 2022-06-23 thomas if (*nentries >= tree->nentries) {
1555 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1558 63915ee5 2022-06-23 thomas te = &tree->entries[*nentries];
1559 63915ee5 2022-06-23 thomas te_name = buf + sizeof(ite);
1560 63915ee5 2022-06-23 thomas memcpy(te->name, te_name, ite.namelen);
1561 63915ee5 2022-06-23 thomas te->name[ite.namelen] = '\0';
1562 63915ee5 2022-06-23 thomas memcpy(te->id.sha1, ite.id, SHA1_DIGEST_LENGTH);
1563 63915ee5 2022-06-23 thomas te->mode = ite.mode;
1564 63915ee5 2022-06-23 thomas te->idx = *nentries;
1565 63915ee5 2022-06-23 thomas (*nentries)++;
1567 63915ee5 2022-06-23 thomas te_offset += sizeof(ite) + ite.namelen;
1570 63915ee5 2022-06-23 thomas return err;
1573 e033d803 2018-04-23 stsp const struct got_error *
1574 068fd2bf 2018-04-24 stsp got_privsep_recv_tree(struct got_tree_object **tree, struct imsgbuf *ibuf)
1576 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
1577 e033d803 2018-04-23 stsp const size_t min_datalen =
1578 e033d803 2018-04-23 stsp MIN(sizeof(struct got_imsg_error),
1579 e033d803 2018-04-23 stsp sizeof(struct got_imsg_tree_object));
1580 291624d8 2018-11-07 stsp struct got_imsg_tree_object *itree;
1581 e033d803 2018-04-23 stsp int nentries = 0;
1583 e033d803 2018-04-23 stsp *tree = NULL;
1585 9b5e2ebd 2022-07-07 thomas while (*tree == NULL || nentries < (*tree)->nentries) {
1586 e033d803 2018-04-23 stsp struct imsg imsg;
1587 e033d803 2018-04-23 stsp size_t datalen;
1589 9b5e2ebd 2022-07-07 thomas err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1590 9b5e2ebd 2022-07-07 thomas if (err)
1593 e033d803 2018-04-23 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1595 e033d803 2018-04-23 stsp switch (imsg.hdr.type) {
1596 e033d803 2018-04-23 stsp case GOT_IMSG_TREE:
1597 e033d803 2018-04-23 stsp /* This message should only appear once. */
1598 e033d803 2018-04-23 stsp if (*tree != NULL) {
1599 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1602 291624d8 2018-11-07 stsp if (datalen != sizeof(*itree)) {
1603 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1606 291624d8 2018-11-07 stsp itree = imsg.data;
1607 ace4d4e7 2022-05-19 thomas if (itree->nentries < 0) {
1608 ace4d4e7 2022-05-19 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1611 c3b78ecc 2018-11-07 stsp *tree = malloc(sizeof(**tree));
1612 e033d803 2018-04-23 stsp if (*tree == NULL) {
1613 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1616 56e0773d 2019-11-28 stsp (*tree)->entries = calloc(itree->nentries,
1617 56e0773d 2019-11-28 stsp sizeof(struct got_tree_entry));
1618 56e0773d 2019-11-28 stsp if ((*tree)->entries == NULL) {
1619 56e0773d 2019-11-28 stsp err = got_error_from_errno("malloc");
1620 c3bacae2 2022-05-19 thomas free(*tree);
1621 c3bacae2 2022-05-19 thomas *tree = NULL;
1624 56e0773d 2019-11-28 stsp (*tree)->nentries = itree->nentries;
1625 c3b78ecc 2018-11-07 stsp (*tree)->refcnt = 0;
1627 06de99ad 2022-05-19 thomas case GOT_IMSG_TREE_ENTRIES:
1628 e033d803 2018-04-23 stsp /* This message should be preceeded by GOT_IMSG_TREE. */
1629 e033d803 2018-04-23 stsp if (*tree == NULL) {
1630 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1633 63915ee5 2022-06-23 thomas err = recv_tree_entries(imsg.data, datalen,
1634 63915ee5 2022-06-23 thomas *tree, &nentries);
1637 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1641 e033d803 2018-04-23 stsp imsg_free(&imsg);
1646 56e0773d 2019-11-28 stsp if (*tree && (*tree)->nentries != nentries) {
1647 1e51f5b9 2018-04-23 stsp if (err == NULL)
1648 1e51f5b9 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1649 e033d803 2018-04-23 stsp got_object_tree_close(*tree);
1650 e033d803 2018-04-23 stsp *tree = NULL;
1653 ff6b18f8 2018-04-24 stsp return err;
1656 ff6b18f8 2018-04-24 stsp const struct got_error *
1657 ac544f8c 2019-01-13 stsp got_privsep_send_blob(struct imsgbuf *ibuf, size_t size, size_t hdrlen,
1658 ac544f8c 2019-01-13 stsp const uint8_t *data)
1660 2967a784 2018-04-24 stsp struct got_imsg_blob iblob;
1662 c26ee7ad 2022-06-23 thomas memset(&iblob, 0, sizeof(iblob));
1663 2967a784 2018-04-24 stsp iblob.size = size;
1664 ebc55e2d 2018-12-24 stsp iblob.hdrlen = hdrlen;
1666 ac544f8c 2019-01-13 stsp if (data) {
1667 ac544f8c 2019-01-13 stsp uint8_t *buf;
1669 ac544f8c 2019-01-13 stsp if (size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX)
1670 ac544f8c 2019-01-13 stsp return got_error(GOT_ERR_NO_SPACE);
1672 ac544f8c 2019-01-13 stsp buf = malloc(sizeof(iblob) + size);
1673 ac544f8c 2019-01-13 stsp if (buf == NULL)
1674 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1676 ac544f8c 2019-01-13 stsp memcpy(buf, &iblob, sizeof(iblob));
1677 ac544f8c 2019-01-13 stsp memcpy(buf + sizeof(iblob), data, size);
1678 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, buf,
1679 62d463ca 2020-10-20 naddy sizeof(iblob) + size) == -1) {
1680 ac544f8c 2019-01-13 stsp free(buf);
1681 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1683 ac544f8c 2019-01-13 stsp free(buf);
1685 ac544f8c 2019-01-13 stsp /* Data has already been written to file descriptor. */
1686 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, &iblob,
1687 ac544f8c 2019-01-13 stsp sizeof(iblob)) == -1)
1688 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1692 ff6b18f8 2018-04-24 stsp return flush_imsg(ibuf);
1695 ff6b18f8 2018-04-24 stsp const struct got_error *
1696 ac544f8c 2019-01-13 stsp got_privsep_recv_blob(uint8_t **outbuf, size_t *size, size_t *hdrlen,
1697 ac544f8c 2019-01-13 stsp struct imsgbuf *ibuf)
1699 ff6b18f8 2018-04-24 stsp const struct got_error *err = NULL;
1700 ff6b18f8 2018-04-24 stsp struct imsg imsg;
1701 291624d8 2018-11-07 stsp struct got_imsg_blob *iblob;
1702 ff6b18f8 2018-04-24 stsp size_t datalen;
1704 ac544f8c 2019-01-13 stsp *outbuf = NULL;
1706 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1708 ff6b18f8 2018-04-24 stsp return err;
1710 ff6b18f8 2018-04-24 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1712 ff6b18f8 2018-04-24 stsp switch (imsg.hdr.type) {
1713 ff6b18f8 2018-04-24 stsp case GOT_IMSG_BLOB:
1714 ac544f8c 2019-01-13 stsp if (datalen < sizeof(*iblob)) {
1715 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1718 291624d8 2018-11-07 stsp iblob = imsg.data;
1719 291624d8 2018-11-07 stsp *size = iblob->size;
1720 ebc55e2d 2018-12-24 stsp *hdrlen = iblob->hdrlen;
1722 ac544f8c 2019-01-13 stsp if (datalen == sizeof(*iblob)) {
1723 ac544f8c 2019-01-13 stsp /* Data has been written to file descriptor. */
1727 31d32634 2022-06-23 thomas if (*size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX ||
1728 31d32634 2022-06-23 thomas *size > datalen + sizeof(*iblob)) {
1729 ac544f8c 2019-01-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1733 ac544f8c 2019-01-13 stsp *outbuf = malloc(*size);
1734 ac544f8c 2019-01-13 stsp if (*outbuf == NULL) {
1735 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1738 ac544f8c 2019-01-13 stsp memcpy(*outbuf, imsg.data + sizeof(*iblob), *size);
1741 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1745 f4a881ce 2018-11-17 stsp imsg_free(&imsg);
1747 f4a881ce 2018-11-17 stsp return err;
1750 f4a881ce 2018-11-17 stsp static const struct got_error *
1751 f4a881ce 2018-11-17 stsp send_tagmsg(struct imsgbuf *ibuf, struct got_tag_object *tag, size_t tagmsg_len)
1753 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1754 f4a881ce 2018-11-17 stsp size_t offset, remain;
1756 f4a881ce 2018-11-17 stsp offset = 0;
1757 f4a881ce 2018-11-17 stsp remain = tagmsg_len;
1758 f4a881ce 2018-11-17 stsp while (remain > 0) {
1759 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1761 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_TAGMSG, 0, 0, -1,
1762 f4a881ce 2018-11-17 stsp tag->tagmsg + offset, n) == -1) {
1763 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG_TAGMSG");
1767 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1771 f4a881ce 2018-11-17 stsp offset += n;
1772 f4a881ce 2018-11-17 stsp remain -= n;
1775 f4a881ce 2018-11-17 stsp return err;
1778 f4a881ce 2018-11-17 stsp const struct got_error *
1779 f4a881ce 2018-11-17 stsp got_privsep_send_tag(struct imsgbuf *ibuf, struct got_tag_object *tag)
1781 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1782 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1783 f4a881ce 2018-11-17 stsp uint8_t *buf;
1784 f4a881ce 2018-11-17 stsp size_t len, total;
1785 f4a881ce 2018-11-17 stsp size_t tag_len = strlen(tag->tag);
1786 f4a881ce 2018-11-17 stsp size_t tagger_len = strlen(tag->tagger);
1787 f4a881ce 2018-11-17 stsp size_t tagmsg_len = strlen(tag->tagmsg);
1789 f4a881ce 2018-11-17 stsp total = sizeof(*itag) + tag_len + tagger_len + tagmsg_len;
1791 f4a881ce 2018-11-17 stsp buf = malloc(total);
1792 f4a881ce 2018-11-17 stsp if (buf == NULL)
1793 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1795 f4a881ce 2018-11-17 stsp itag = (struct got_imsg_tag_object *)buf;
1796 35cdfa2c 2023-02-20 thomas memcpy(&itag->id, &tag->id, sizeof(itag->id));
1797 f4a881ce 2018-11-17 stsp itag->obj_type = tag->obj_type;
1798 f4a881ce 2018-11-17 stsp itag->tag_len = tag_len;
1799 f4a881ce 2018-11-17 stsp itag->tagger_len = tagger_len;
1800 f4a881ce 2018-11-17 stsp itag->tagger_time = tag->tagger_time;
1801 f4a881ce 2018-11-17 stsp itag->tagger_gmtoff = tag->tagger_gmtoff;
1802 f4a881ce 2018-11-17 stsp itag->tagmsg_len = tagmsg_len;
1804 f4a881ce 2018-11-17 stsp len = sizeof(*itag);
1805 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tag, tag_len);
1806 f4a881ce 2018-11-17 stsp len += tag_len;
1807 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tagger, tagger_len);
1808 f4a881ce 2018-11-17 stsp len += tagger_len;
1810 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG, 0, 0, -1, buf, len) == -1) {
1811 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG");
1812 f4a881ce 2018-11-17 stsp goto done;
1815 f4a881ce 2018-11-17 stsp if (tagmsg_len == 0 ||
1816 f4a881ce 2018-11-17 stsp tagmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1817 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1819 f4a881ce 2018-11-17 stsp goto done;
1821 f4a881ce 2018-11-17 stsp err = send_tagmsg(ibuf, tag, tagmsg_len);
1823 f4a881ce 2018-11-17 stsp free(buf);
1824 f4a881ce 2018-11-17 stsp return err;
1827 f4a881ce 2018-11-17 stsp const struct got_error *
1828 f4a881ce 2018-11-17 stsp got_privsep_recv_tag(struct got_tag_object **tag, struct imsgbuf *ibuf)
1830 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1831 f4a881ce 2018-11-17 stsp struct imsg imsg;
1832 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1833 f4a881ce 2018-11-17 stsp size_t len, datalen;
1834 f4a881ce 2018-11-17 stsp const size_t min_datalen =
1835 f4a881ce 2018-11-17 stsp MIN(sizeof(struct got_imsg_error),
1836 f4a881ce 2018-11-17 stsp sizeof(struct got_imsg_tag_object));
1838 f4a881ce 2018-11-17 stsp *tag = NULL;
1840 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1842 f4a881ce 2018-11-17 stsp return err;
1844 f4a881ce 2018-11-17 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1847 f4a881ce 2018-11-17 stsp switch (imsg.hdr.type) {
1848 f4a881ce 2018-11-17 stsp case GOT_IMSG_TAG:
1849 f4a881ce 2018-11-17 stsp if (datalen < sizeof(*itag)) {
1850 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1853 f4a881ce 2018-11-17 stsp itag = imsg.data;
1854 f4a881ce 2018-11-17 stsp if (datalen != sizeof(*itag) + itag->tag_len +
1855 f4a881ce 2018-11-17 stsp itag->tagger_len) {
1856 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1859 f4a881ce 2018-11-17 stsp len += sizeof(*itag);
1861 f4a881ce 2018-11-17 stsp *tag = calloc(1, sizeof(**tag));
1862 f4a881ce 2018-11-17 stsp if (*tag == NULL) {
1863 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
1867 35cdfa2c 2023-02-20 thomas memcpy(&(*tag)->id, &itag->id, sizeof(itag->id));
1869 79b7acf3 2022-06-23 thomas (*tag)->tag = strndup(imsg.data + len, itag->tag_len);
1870 79b7acf3 2022-06-23 thomas if ((*tag)->tag == NULL) {
1871 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1874 f4a881ce 2018-11-17 stsp len += itag->tag_len;
1876 f4a881ce 2018-11-17 stsp (*tag)->obj_type = itag->obj_type;
1877 f4a881ce 2018-11-17 stsp (*tag)->tagger_time = itag->tagger_time;
1878 f4a881ce 2018-11-17 stsp (*tag)->tagger_gmtoff = itag->tagger_gmtoff;
1880 79b7acf3 2022-06-23 thomas (*tag)->tagger = strndup(imsg.data + len, itag->tagger_len);
1881 79b7acf3 2022-06-23 thomas if ((*tag)->tagger == NULL) {
1882 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1885 f4a881ce 2018-11-17 stsp len += itag->tagger_len;
1887 f4a881ce 2018-11-17 stsp if (itag->tagmsg_len == 0) {
1888 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = strdup("");
1889 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1890 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1894 f4a881ce 2018-11-17 stsp size_t offset = 0, remain = itag->tagmsg_len;
1896 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = malloc(itag->tagmsg_len + 1);
1897 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1898 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1901 f4a881ce 2018-11-17 stsp while (remain > 0) {
1902 f4a881ce 2018-11-17 stsp struct imsg imsg_log;
1903 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1906 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1908 f4a881ce 2018-11-17 stsp return err;
1910 f4a881ce 2018-11-17 stsp if (imsg_log.hdr.type != GOT_IMSG_TAG_TAGMSG)
1911 f4a881ce 2018-11-17 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
1913 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagmsg + offset, imsg_log.data,
1915 f4a881ce 2018-11-17 stsp imsg_free(&imsg_log);
1916 f4a881ce 2018-11-17 stsp offset += n;
1917 f4a881ce 2018-11-17 stsp remain -= n;
1919 f4a881ce 2018-11-17 stsp (*tag)->tagmsg[itag->tagmsg_len] = '\0';
1924 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1928 ff6b18f8 2018-04-24 stsp imsg_free(&imsg);
1930 2178c42e 2018-04-22 stsp return err;
1933 876c234b 2018-09-10 stsp const struct got_error *
1934 876c234b 2018-09-10 stsp got_privsep_init_pack_child(struct imsgbuf *ibuf, struct got_pack *pack,
1935 876c234b 2018-09-10 stsp struct got_packidx *packidx)
1937 41496140 2019-02-21 stsp const struct got_error *err = NULL;
1938 876c234b 2018-09-10 stsp struct got_imsg_packidx ipackidx;
1939 876c234b 2018-09-10 stsp struct got_imsg_pack ipack;
1942 c26ee7ad 2022-06-23 thomas memset(&ipackidx, 0, sizeof(ipackidx));
1943 c26ee7ad 2022-06-23 thomas memset(&ipack, 0, sizeof(ipack));
1945 876c234b 2018-09-10 stsp ipackidx.len = packidx->len;
1946 c3564dfa 2021-07-15 stsp ipackidx.packfile_size = pack->filesize;
1947 876c234b 2018-09-10 stsp fd = dup(packidx->fd);
1948 876c234b 2018-09-10 stsp if (fd == -1)
1949 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1951 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKIDX, 0, 0, fd, &ipackidx,
1952 41496140 2019-02-21 stsp sizeof(ipackidx)) == -1) {
1953 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACKIDX");
1954 41496140 2019-02-21 stsp close(fd);
1955 41496140 2019-02-21 stsp return err;
1958 876c234b 2018-09-10 stsp if (strlcpy(ipack.path_packfile, pack->path_packfile,
1959 876c234b 2018-09-10 stsp sizeof(ipack.path_packfile)) >= sizeof(ipack.path_packfile))
1960 876c234b 2018-09-10 stsp return got_error(GOT_ERR_NO_SPACE);
1961 876c234b 2018-09-10 stsp ipack.filesize = pack->filesize;
1963 876c234b 2018-09-10 stsp fd = dup(pack->fd);
1964 876c234b 2018-09-10 stsp if (fd == -1)
1965 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1967 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACK, 0, 0, fd, &ipack, sizeof(ipack))
1969 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACK");
1970 41496140 2019-02-21 stsp close(fd);
1971 41496140 2019-02-21 stsp return err;
1974 876c234b 2018-09-10 stsp return flush_imsg(ibuf);
1977 876c234b 2018-09-10 stsp const struct got_error *
1978 106807b4 2018-09-15 stsp got_privsep_send_packed_obj_req(struct imsgbuf *ibuf, int idx,
1979 106807b4 2018-09-15 stsp struct got_object_id *id)
1981 876c234b 2018-09-10 stsp struct got_imsg_packed_object iobj;
1983 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
1984 876c234b 2018-09-10 stsp iobj.idx = idx;
1985 b6f67730 2023-02-03 thomas memcpy(&iobj.id, id, sizeof(iobj.id));
1987 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_OBJECT_REQUEST, 0, 0, -1,
1988 876c234b 2018-09-10 stsp &iobj, sizeof(iobj)) == -1)
1989 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose "
1990 230a42bd 2019-05-11 jcs "PACKED_OBJECT_REQUEST");
1992 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1995 aba9c984 2019-09-08 stsp const struct got_error *
1996 59d1e4a0 2021-03-10 stsp got_privsep_send_packed_raw_obj_req(struct imsgbuf *ibuf, int idx,
1997 59d1e4a0 2021-03-10 stsp struct got_object_id *id)
1999 59d1e4a0 2021-03-10 stsp struct got_imsg_packed_object iobj;
2001 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
2002 59d1e4a0 2021-03-10 stsp iobj.idx = idx;
2003 b6f67730 2023-02-03 thomas memcpy(&iobj.id, id, sizeof(iobj.id));
2005 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_RAW_OBJECT_REQUEST, 0, 0, -1,
2006 59d1e4a0 2021-03-10 stsp &iobj, sizeof(iobj)) == -1)
2007 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose "
2008 59d1e4a0 2021-03-10 stsp "PACKED_OBJECT_REQUEST");
2010 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
2013 59d1e4a0 2021-03-10 stsp const struct got_error *
2014 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_parse_req(struct imsgbuf *ibuf, int fd)
2016 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2018 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_PARSE_REQUEST, 0, 0, fd,
2019 aba9c984 2019-09-08 stsp NULL, 0) == -1) {
2020 aba9c984 2019-09-08 stsp err = got_error_from_errno("imsg_compose "
2021 aba9c984 2019-09-08 stsp "GITCONFIG_PARSE_REQUEST");
2022 aba9c984 2019-09-08 stsp close(fd);
2023 aba9c984 2019-09-08 stsp return err;
2026 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2029 aba9c984 2019-09-08 stsp const struct got_error *
2030 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_repository_format_version_req(struct imsgbuf *ibuf)
2032 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2033 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST, 0, 0, -1,
2034 aba9c984 2019-09-08 stsp NULL, 0) == -1)
2035 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2036 aba9c984 2019-09-08 stsp "GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST");
2038 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2041 aba9c984 2019-09-08 stsp const struct got_error *
2042 20b7abb3 2020-10-22 stsp got_privsep_send_gitconfig_repository_extensions_req(struct imsgbuf *ibuf)
2044 20b7abb3 2020-10-22 stsp if (imsg_compose(ibuf,
2045 20b7abb3 2020-10-22 stsp GOT_IMSG_GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST, 0, 0, -1,
2046 20b7abb3 2020-10-22 stsp NULL, 0) == -1)
2047 20b7abb3 2020-10-22 stsp return got_error_from_errno("imsg_compose "
2048 20b7abb3 2020-10-22 stsp "GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST");
2050 20b7abb3 2020-10-22 stsp return flush_imsg(ibuf);
2054 20b7abb3 2020-10-22 stsp const struct got_error *
2055 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_name_req(struct imsgbuf *ibuf)
2057 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2058 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_NAME_REQUEST, 0, 0, -1, NULL, 0) == -1)
2059 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2060 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_NAME_REQUEST");
2062 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2065 aba9c984 2019-09-08 stsp const struct got_error *
2066 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_email_req(struct imsgbuf *ibuf)
2068 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2069 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_EMAIL_REQUEST, 0, 0, -1, NULL, 0) == -1)
2070 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2071 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_EMAIL_REQUEST");
2073 cd95becd 2019-11-29 stsp return flush_imsg(ibuf);
2076 cd95becd 2019-11-29 stsp const struct got_error *
2077 cd95becd 2019-11-29 stsp got_privsep_send_gitconfig_remotes_req(struct imsgbuf *ibuf)
2079 cd95becd 2019-11-29 stsp if (imsg_compose(ibuf,
2080 cd95becd 2019-11-29 stsp GOT_IMSG_GITCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2081 cd95becd 2019-11-29 stsp return got_error_from_errno("imsg_compose "
2082 cd95becd 2019-11-29 stsp "GITCONFIG_REMOTE_REQUEST");
2084 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2087 aba9c984 2019-09-08 stsp const struct got_error *
2088 9a1cc63f 2020-02-03 stsp got_privsep_send_gitconfig_owner_req(struct imsgbuf *ibuf)
2090 9a1cc63f 2020-02-03 stsp if (imsg_compose(ibuf,
2091 9a1cc63f 2020-02-03 stsp GOT_IMSG_GITCONFIG_OWNER_REQUEST, 0, 0, -1, NULL, 0) == -1)
2092 9a1cc63f 2020-02-03 stsp return got_error_from_errno("imsg_compose "
2093 9a1cc63f 2020-02-03 stsp "GITCONFIG_OWNER_REQUEST");
2095 9a1cc63f 2020-02-03 stsp return flush_imsg(ibuf);
2098 9a1cc63f 2020-02-03 stsp const struct got_error *
2099 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_str(char **str, struct imsgbuf *ibuf)
2101 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2102 aba9c984 2019-09-08 stsp struct imsg imsg;
2103 aba9c984 2019-09-08 stsp size_t datalen;
2105 aba9c984 2019-09-08 stsp *str = NULL;
2107 12a8238e 2022-06-23 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2109 aba9c984 2019-09-08 stsp return err;
2110 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2112 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2113 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_STR_VAL:
2114 aba9c984 2019-09-08 stsp if (datalen == 0)
2116 fcbb06bf 2023-01-14 thomas *str = strndup(imsg.data, datalen);
2117 aba9c984 2019-09-08 stsp if (*str == NULL) {
2118 fcbb06bf 2023-01-14 thomas err = got_error_from_errno("strndup");
2123 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2127 b091c2cd 2023-02-07 thomas imsg_free(&imsg);
2128 b091c2cd 2023-02-07 thomas return err;
2131 b091c2cd 2023-02-07 thomas const struct got_error *
2132 b091c2cd 2023-02-07 thomas got_privsep_recv_gitconfig_pair(char **key, char **val, struct imsgbuf *ibuf)
2134 b091c2cd 2023-02-07 thomas const struct got_error *err = NULL;
2135 b091c2cd 2023-02-07 thomas struct got_imsg_gitconfig_pair p;
2136 b091c2cd 2023-02-07 thomas struct imsg imsg;
2137 b091c2cd 2023-02-07 thomas size_t datalen;
2138 b091c2cd 2023-02-07 thomas uint8_t *data;
2140 b091c2cd 2023-02-07 thomas *key = *val = NULL;
2142 b091c2cd 2023-02-07 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2143 b091c2cd 2023-02-07 thomas if (err)
2144 b091c2cd 2023-02-07 thomas return err;
2146 b091c2cd 2023-02-07 thomas data = imsg.data;
2147 b091c2cd 2023-02-07 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2149 b091c2cd 2023-02-07 thomas if (imsg.hdr.type != GOT_IMSG_GITCONFIG_PAIR) {
2150 b091c2cd 2023-02-07 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2151 b091c2cd 2023-02-07 thomas goto done;
2154 b091c2cd 2023-02-07 thomas if (datalen < sizeof(p)) {
2155 b091c2cd 2023-02-07 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2156 b091c2cd 2023-02-07 thomas goto done;
2159 b091c2cd 2023-02-07 thomas memcpy(&p, data, sizeof(p));
2160 b091c2cd 2023-02-07 thomas data += sizeof(p);
2162 b091c2cd 2023-02-07 thomas if (datalen != sizeof(p) + p.klen + p.vlen) {
2163 b091c2cd 2023-02-07 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2164 b091c2cd 2023-02-07 thomas goto done;
2167 b091c2cd 2023-02-07 thomas *key = strndup(data, p.klen);
2168 b091c2cd 2023-02-07 thomas if (*key == NULL) {
2169 b091c2cd 2023-02-07 thomas err = got_error_from_errno("strndup");
2170 b091c2cd 2023-02-07 thomas goto done;
2172 b091c2cd 2023-02-07 thomas data += p.klen;
2174 b091c2cd 2023-02-07 thomas *val = strndup(data, p.vlen);
2175 b091c2cd 2023-02-07 thomas if (*val == NULL) {
2176 b091c2cd 2023-02-07 thomas err = got_error_from_errno("strndup");
2177 b091c2cd 2023-02-07 thomas goto done;
2181 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2182 aba9c984 2019-09-08 stsp return err;
2185 aba9c984 2019-09-08 stsp const struct got_error *
2186 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_int(int *val, struct imsgbuf *ibuf)
2188 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2189 aba9c984 2019-09-08 stsp struct imsg imsg;
2190 aba9c984 2019-09-08 stsp size_t datalen;
2191 aba9c984 2019-09-08 stsp const size_t min_datalen =
2192 aba9c984 2019-09-08 stsp MIN(sizeof(struct got_imsg_error), sizeof(int));
2196 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2198 aba9c984 2019-09-08 stsp return err;
2199 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2201 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2202 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_INT_VAL:
2203 aba9c984 2019-09-08 stsp if (datalen != sizeof(*val)) {
2204 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2207 aba9c984 2019-09-08 stsp memcpy(val, imsg.data, sizeof(*val));
2210 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2214 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2215 cd95becd 2019-11-29 stsp return err;
2218 b8adfa55 2020-09-25 stsp static void
2219 b8adfa55 2020-09-25 stsp free_remote_data(struct got_remote_repo *remote)
2223 b8adfa55 2020-09-25 stsp free(remote->name);
2224 6480c871 2021-08-30 stsp free(remote->fetch_url);
2225 6480c871 2021-08-30 stsp free(remote->send_url);
2226 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_branches; i++)
2227 6480c871 2021-08-30 stsp free(remote->fetch_branches[i]);
2228 6480c871 2021-08-30 stsp free(remote->fetch_branches);
2229 6480c871 2021-08-30 stsp for (i = 0; i < remote->nsend_branches; i++)
2230 6480c871 2021-08-30 stsp free(remote->send_branches[i]);
2231 6480c871 2021-08-30 stsp free(remote->send_branches);
2232 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_refs; i++)
2233 6480c871 2021-08-30 stsp free(remote->fetch_refs[i]);
2234 6480c871 2021-08-30 stsp free(remote->fetch_refs);
2237 cd95becd 2019-11-29 stsp const struct got_error *
2238 cd95becd 2019-11-29 stsp got_privsep_recv_gitconfig_remotes(struct got_remote_repo **remotes,
2239 cd95becd 2019-11-29 stsp int *nremotes, struct imsgbuf *ibuf)
2241 cd95becd 2019-11-29 stsp const struct got_error *err = NULL;
2242 cd95becd 2019-11-29 stsp struct imsg imsg;
2243 cd95becd 2019-11-29 stsp size_t datalen;
2244 cd95becd 2019-11-29 stsp struct got_imsg_remotes iremotes;
2245 cd95becd 2019-11-29 stsp struct got_imsg_remote iremote;
2247 cd95becd 2019-11-29 stsp *remotes = NULL;
2248 cd95becd 2019-11-29 stsp *nremotes = 0;
2249 d669b9c9 2020-02-22 stsp iremotes.nremotes = 0;
2251 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremotes));
2253 cd95becd 2019-11-29 stsp return err;
2254 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2256 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2257 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTES:
2258 cd95becd 2019-11-29 stsp if (datalen != sizeof(iremotes)) {
2259 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2262 cd95becd 2019-11-29 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2263 cd95becd 2019-11-29 stsp if (iremotes.nremotes == 0) {
2264 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2265 cd95becd 2019-11-29 stsp return NULL;
2269 54b1c5b5 2020-02-22 stsp imsg_free(&imsg);
2270 54b1c5b5 2020-02-22 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2273 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2275 5146eb39 2020-03-20 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2276 cd95becd 2019-11-29 stsp if (*remotes == NULL)
2277 cd95becd 2019-11-29 stsp return got_error_from_errno("recallocarray");
2279 cd95becd 2019-11-29 stsp while (*nremotes < iremotes.nremotes) {
2280 cd95becd 2019-11-29 stsp struct got_remote_repo *remote;
2282 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremote));
2285 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2287 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2288 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTE:
2289 cd95becd 2019-11-29 stsp remote = &(*remotes)[*nremotes];
2290 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2291 cd95becd 2019-11-29 stsp if (datalen < sizeof(iremote)) {
2292 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2295 cd95becd 2019-11-29 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2296 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2297 6480c871 2021-08-30 stsp iremote.fetch_url_len == 0 ||
2298 6480c871 2021-08-30 stsp iremote.send_url_len == 0 ||
2299 cd95becd 2019-11-29 stsp (sizeof(iremote) + iremote.name_len +
2300 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) > datalen) {
2301 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2304 cd95becd 2019-11-29 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2305 cd95becd 2019-11-29 stsp iremote.name_len);
2306 cd95becd 2019-11-29 stsp if (remote->name == NULL) {
2307 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2310 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data + sizeof(iremote) +
2311 6480c871 2021-08-30 stsp iremote.name_len, iremote.fetch_url_len);
2312 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2313 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2314 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2317 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data + sizeof(iremote) +
2318 6480c871 2021-08-30 stsp iremote.name_len + iremote.fetch_url_len,
2319 6480c871 2021-08-30 stsp iremote.send_url_len);
2320 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2321 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2322 6480c871 2021-08-30 stsp free_remote_data(remote);
2325 469dd726 2020-03-20 stsp remote->mirror_references = iremote.mirror_references;
2326 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2327 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2328 6480c871 2021-08-30 stsp remote->fetch_branches = NULL;
2329 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2330 6480c871 2021-08-30 stsp remote->send_branches = NULL;
2331 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2332 6480c871 2021-08-30 stsp remote->fetch_refs = NULL;
2333 cd95becd 2019-11-29 stsp (*nremotes)++;
2336 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2340 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2345 cd95becd 2019-11-29 stsp if (err) {
2347 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2348 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2349 cd95becd 2019-11-29 stsp free(*remotes);
2350 cd95becd 2019-11-29 stsp *remotes = NULL;
2351 cd95becd 2019-11-29 stsp *nremotes = 0;
2353 aba9c984 2019-09-08 stsp return err;
2356 257add31 2020-09-09 stsp const struct got_error *
2357 257add31 2020-09-09 stsp got_privsep_send_gotconfig_parse_req(struct imsgbuf *ibuf, int fd)
2359 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2361 257add31 2020-09-09 stsp if (imsg_compose(ibuf, GOT_IMSG_GOTCONFIG_PARSE_REQUEST, 0, 0, fd,
2362 257add31 2020-09-09 stsp NULL, 0) == -1) {
2363 257add31 2020-09-09 stsp err = got_error_from_errno("imsg_compose "
2364 257add31 2020-09-09 stsp "GOTCONFIG_PARSE_REQUEST");
2365 257add31 2020-09-09 stsp close(fd);
2366 257add31 2020-09-09 stsp return err;
2369 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2372 257add31 2020-09-09 stsp const struct got_error *
2373 257add31 2020-09-09 stsp got_privsep_send_gotconfig_author_req(struct imsgbuf *ibuf)
2375 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2376 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_AUTHOR_REQUEST, 0, 0, -1, NULL, 0) == -1)
2377 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2378 257add31 2020-09-09 stsp "GOTCONFIG_AUTHOR_REQUEST");
2380 871bd038 2022-07-03 thomas return flush_imsg(ibuf);
2383 871bd038 2022-07-03 thomas const struct got_error *
2384 871bd038 2022-07-03 thomas got_privsep_send_gotconfig_allowed_signers_req(struct imsgbuf *ibuf)
2386 871bd038 2022-07-03 thomas if (imsg_compose(ibuf,
2387 871bd038 2022-07-03 thomas GOT_IMSG_GOTCONFIG_ALLOWEDSIGNERS_REQUEST, 0, 0, -1, NULL, 0) == -1)
2388 871bd038 2022-07-03 thomas return got_error_from_errno("imsg_compose "
2389 871bd038 2022-07-03 thomas "GOTCONFIG_ALLOWEDSIGNERS_REQUEST");
2391 871bd038 2022-07-03 thomas return flush_imsg(ibuf);
2394 871bd038 2022-07-03 thomas const struct got_error *
2395 871bd038 2022-07-03 thomas got_privsep_send_gotconfig_revoked_signers_req(struct imsgbuf *ibuf)
2397 871bd038 2022-07-03 thomas if (imsg_compose(ibuf,
2398 871bd038 2022-07-03 thomas GOT_IMSG_GOTCONFIG_REVOKEDSIGNERS_REQUEST, 0, 0, -1, NULL, 0) == -1)
2399 871bd038 2022-07-03 thomas return got_error_from_errno("imsg_compose "
2400 871bd038 2022-07-03 thomas "GOTCONFIG_REVOKEDSIGNERS_REQUEST");
2402 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2405 ca6e02ac 2020-01-07 stsp const struct got_error *
2406 ff5e1f09 2022-07-06 thomas got_privsep_send_gotconfig_signer_id_req(struct imsgbuf *ibuf)
2408 ff5e1f09 2022-07-06 thomas if (imsg_compose(ibuf,
2409 ff5e1f09 2022-07-06 thomas GOT_IMSG_GOTCONFIG_SIGNERID_REQUEST, 0, 0, -1, NULL, 0) == -1)
2410 ff5e1f09 2022-07-06 thomas return got_error_from_errno("imsg_compose "
2411 ff5e1f09 2022-07-06 thomas "GOTCONFIG_SIGNERID_REQUEST");
2413 ff5e1f09 2022-07-06 thomas return flush_imsg(ibuf);
2416 ff5e1f09 2022-07-06 thomas const struct got_error *
2417 257add31 2020-09-09 stsp got_privsep_send_gotconfig_remotes_req(struct imsgbuf *ibuf)
2419 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2420 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2421 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2422 257add31 2020-09-09 stsp "GOTCONFIG_REMOTE_REQUEST");
2424 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2427 257add31 2020-09-09 stsp const struct got_error *
2428 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_str(char **str, struct imsgbuf *ibuf)
2430 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2431 257add31 2020-09-09 stsp struct imsg imsg;
2432 257add31 2020-09-09 stsp size_t datalen;
2434 257add31 2020-09-09 stsp *str = NULL;
2436 12a8238e 2022-06-23 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2438 257add31 2020-09-09 stsp return err;
2439 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2441 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2442 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_STR_VAL:
2443 257add31 2020-09-09 stsp if (datalen == 0)
2445 fcbb06bf 2023-01-14 thomas *str = strndup(imsg.data, datalen);
2446 257add31 2020-09-09 stsp if (*str == NULL) {
2447 fcbb06bf 2023-01-14 thomas err = got_error_from_errno("strndup");
2452 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2456 257add31 2020-09-09 stsp imsg_free(&imsg);
2457 257add31 2020-09-09 stsp return err;
2460 257add31 2020-09-09 stsp const struct got_error *
2461 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_remotes(struct got_remote_repo **remotes,
2462 257add31 2020-09-09 stsp int *nremotes, struct imsgbuf *ibuf)
2464 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2465 257add31 2020-09-09 stsp struct imsg imsg;
2466 257add31 2020-09-09 stsp size_t datalen;
2467 257add31 2020-09-09 stsp struct got_imsg_remotes iremotes;
2468 257add31 2020-09-09 stsp struct got_imsg_remote iremote;
2469 257add31 2020-09-09 stsp const size_t min_datalen =
2470 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremotes));
2472 257add31 2020-09-09 stsp *remotes = NULL;
2473 257add31 2020-09-09 stsp *nremotes = 0;
2474 257add31 2020-09-09 stsp iremotes.nremotes = 0;
2476 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2478 257add31 2020-09-09 stsp return err;
2479 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2481 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2482 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTES:
2483 257add31 2020-09-09 stsp if (datalen != sizeof(iremotes)) {
2484 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2487 257add31 2020-09-09 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2488 31d32634 2022-06-23 thomas if (iremotes.nremotes < 0) {
2489 31d32634 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2492 257add31 2020-09-09 stsp if (iremotes.nremotes == 0) {
2493 257add31 2020-09-09 stsp imsg_free(&imsg);
2494 257add31 2020-09-09 stsp return NULL;
2498 257add31 2020-09-09 stsp imsg_free(&imsg);
2499 257add31 2020-09-09 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2502 257add31 2020-09-09 stsp imsg_free(&imsg);
2504 257add31 2020-09-09 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2505 257add31 2020-09-09 stsp if (*remotes == NULL)
2506 257add31 2020-09-09 stsp return got_error_from_errno("recallocarray");
2508 257add31 2020-09-09 stsp while (*nremotes < iremotes.nremotes) {
2509 257add31 2020-09-09 stsp struct got_remote_repo *remote;
2510 257add31 2020-09-09 stsp const size_t min_datalen =
2511 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremote));
2514 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2517 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2519 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2520 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTE:
2521 257add31 2020-09-09 stsp remote = &(*remotes)[*nremotes];
2522 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2523 257add31 2020-09-09 stsp if (datalen < sizeof(iremote)) {
2524 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2527 257add31 2020-09-09 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2528 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2529 6480c871 2021-08-30 stsp (iremote.fetch_url_len == 0 &&
2530 6480c871 2021-08-30 stsp iremote.send_url_len == 0) ||
2531 257add31 2020-09-09 stsp (sizeof(iremote) + iremote.name_len +
2532 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) >
2533 6480c871 2021-08-30 stsp datalen) {
2534 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2537 257add31 2020-09-09 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2538 257add31 2020-09-09 stsp iremote.name_len);
2539 257add31 2020-09-09 stsp if (remote->name == NULL) {
2540 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2543 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data +
2544 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len,
2545 6480c871 2021-08-30 stsp iremote.fetch_url_len);
2546 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2547 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2548 6480c871 2021-08-30 stsp free_remote_data(remote);
2551 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data +
2552 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len +
2553 6480c871 2021-08-30 stsp iremote.fetch_url_len, iremote.send_url_len);
2554 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2555 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2556 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2559 257add31 2020-09-09 stsp remote->mirror_references = iremote.mirror_references;
2560 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2561 6480c871 2021-08-30 stsp if (iremote.nfetch_branches > 0) {
2562 6480c871 2021-08-30 stsp remote->fetch_branches = recallocarray(NULL, 0,
2563 6480c871 2021-08-30 stsp iremote.nfetch_branches, sizeof(char *));
2564 6480c871 2021-08-30 stsp if (remote->fetch_branches == NULL) {
2565 b8adfa55 2020-09-25 stsp err = got_error_from_errno("calloc");
2566 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2570 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2571 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_branches; i++) {
2572 b8adfa55 2020-09-25 stsp char *branch;
2573 b8adfa55 2020-09-25 stsp err = got_privsep_recv_gotconfig_str(&branch,
2575 b8adfa55 2020-09-25 stsp if (err) {
2576 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2577 b8adfa55 2020-09-25 stsp goto done;
2579 6480c871 2021-08-30 stsp remote->fetch_branches[i] = branch;
2580 6480c871 2021-08-30 stsp remote->nfetch_branches++;
2582 6480c871 2021-08-30 stsp if (iremote.nsend_branches > 0) {
2583 6480c871 2021-08-30 stsp remote->send_branches = recallocarray(NULL, 0,
2584 6480c871 2021-08-30 stsp iremote.nsend_branches, sizeof(char *));
2585 6480c871 2021-08-30 stsp if (remote->send_branches == NULL) {
2586 99495ddb 2021-01-10 stsp err = got_error_from_errno("calloc");
2587 99495ddb 2021-01-10 stsp free_remote_data(remote);
2591 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2592 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nsend_branches; i++) {
2593 6480c871 2021-08-30 stsp char *branch;
2594 6480c871 2021-08-30 stsp err = got_privsep_recv_gotconfig_str(&branch,
2596 6480c871 2021-08-30 stsp if (err) {
2597 6480c871 2021-08-30 stsp free_remote_data(remote);
2598 6480c871 2021-08-30 stsp goto done;
2600 6480c871 2021-08-30 stsp remote->send_branches[i] = branch;
2601 6480c871 2021-08-30 stsp remote->nsend_branches++;
2603 6480c871 2021-08-30 stsp if (iremote.nfetch_refs > 0) {
2604 6480c871 2021-08-30 stsp remote->fetch_refs = recallocarray(NULL, 0,
2605 6480c871 2021-08-30 stsp iremote.nfetch_refs, sizeof(char *));
2606 6480c871 2021-08-30 stsp if (remote->fetch_refs == NULL) {
2607 6480c871 2021-08-30 stsp err = got_error_from_errno("calloc");
2608 6480c871 2021-08-30 stsp free_remote_data(remote);
2612 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2613 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_refs; i++) {
2614 99495ddb 2021-01-10 stsp char *ref;
2615 99495ddb 2021-01-10 stsp err = got_privsep_recv_gotconfig_str(&ref,
2617 99495ddb 2021-01-10 stsp if (err) {
2618 99495ddb 2021-01-10 stsp free_remote_data(remote);
2619 99495ddb 2021-01-10 stsp goto done;
2621 6480c871 2021-08-30 stsp remote->fetch_refs[i] = ref;
2622 6480c871 2021-08-30 stsp remote->nfetch_refs++;
2624 257add31 2020-09-09 stsp (*nremotes)++;
2627 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2631 257add31 2020-09-09 stsp imsg_free(&imsg);
2636 257add31 2020-09-09 stsp if (err) {
2638 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2639 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2640 257add31 2020-09-09 stsp free(*remotes);
2641 257add31 2020-09-09 stsp *remotes = NULL;
2642 257add31 2020-09-09 stsp *nremotes = 0;
2644 257add31 2020-09-09 stsp return err;
2647 257add31 2020-09-09 stsp const struct got_error *
2648 ca6e02ac 2020-01-07 stsp got_privsep_send_commit_traversal_request(struct imsgbuf *ibuf,
2649 abc59930 2021-09-05 naddy struct got_object_id *id, int idx, const char *path)
2651 ca6e02ac 2020-01-07 stsp struct ibuf *wbuf;
2652 ca6e02ac 2020-01-07 stsp size_t path_len = strlen(path) + 1;
2654 ca6e02ac 2020-01-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_COMMIT_TRAVERSAL_REQUEST, 0, 0,
2655 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_traversal_request) + path_len);
2656 ca6e02ac 2020-01-07 stsp if (wbuf == NULL)
2657 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
2658 ca6e02ac 2020-01-07 stsp "imsg_create COMMIT_TRAVERSAL_REQUEST");
2659 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1)
2660 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add "
2661 e9f1a409 2022-05-19 thomas "COMMIT_TRAVERSAL_REQUEST");
2662 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &idx, sizeof(idx)) == -1)
2663 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add "
2664 e9f1a409 2022-05-19 thomas "COMMIT_TRAVERSAL_REQUEST");
2665 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, path, path_len) == -1)
2666 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add "
2667 e9f1a409 2022-05-19 thomas "COMMIT_TRAVERSAL_REQUEST");
2669 ca6e02ac 2020-01-07 stsp wbuf->fd = -1;
2670 ca6e02ac 2020-01-07 stsp imsg_close(ibuf, wbuf);
2672 ca6e02ac 2020-01-07 stsp return flush_imsg(ibuf);
2675 ca6e02ac 2020-01-07 stsp const struct got_error *
2676 ca6e02ac 2020-01-07 stsp got_privsep_recv_traversed_commits(struct got_commit_object **changed_commit,
2677 ca6e02ac 2020-01-07 stsp struct got_object_id **changed_commit_id,
2678 ca6e02ac 2020-01-07 stsp struct got_object_id_queue *commit_ids, struct imsgbuf *ibuf)
2680 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
2681 ca6e02ac 2020-01-07 stsp struct imsg imsg;
2682 ca6e02ac 2020-01-07 stsp struct got_imsg_traversed_commits *icommits;
2683 35cdfa2c 2023-02-20 thomas struct got_object_id *ids;
2684 ca6e02ac 2020-01-07 stsp size_t datalen;
2685 ca6e02ac 2020-01-07 stsp int i, done = 0;
2687 ca6e02ac 2020-01-07 stsp *changed_commit = NULL;
2688 ca6e02ac 2020-01-07 stsp *changed_commit_id = NULL;
2690 ca6e02ac 2020-01-07 stsp while (!done) {
2691 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2693 ca6e02ac 2020-01-07 stsp return err;
2695 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2696 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
2697 ca6e02ac 2020-01-07 stsp case GOT_IMSG_TRAVERSED_COMMITS:
2698 ca6e02ac 2020-01-07 stsp icommits = imsg.data;
2699 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommits) +
2700 35cdfa2c 2023-02-20 thomas icommits->ncommits * sizeof(*ids)) {
2701 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2704 35cdfa2c 2023-02-20 thomas ids = imsg.data + sizeof(*icommits);
2705 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommits->ncommits; i++) {
2706 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
2708 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
2711 35cdfa2c 2023-02-20 thomas memcpy(&qid->id, &ids[i], sizeof(ids[i]));
2712 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(commit_ids, qid, entry);
2714 ca6e02ac 2020-01-07 stsp /* The last commit may contain a change. */
2715 ca6e02ac 2020-01-07 stsp if (i == icommits->ncommits - 1) {
2716 ca6e02ac 2020-01-07 stsp *changed_commit_id =
2717 ec242592 2022-04-22 thomas got_object_id_dup(&qid->id);
2718 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2719 ca6e02ac 2020-01-07 stsp err = got_error_from_errno(
2720 ca6e02ac 2020-01-07 stsp "got_object_id_dup");
2726 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
2727 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2728 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2731 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(changed_commit, &imsg,
2732 ca6e02ac 2020-01-07 stsp datalen, ibuf);
2734 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT_TRAVERSAL_DONE:
2738 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2742 ca6e02ac 2020-01-07 stsp imsg_free(&imsg);
2748 ca6e02ac 2020-01-07 stsp got_object_id_queue_free(commit_ids);
2749 ca6e02ac 2020-01-07 stsp return err;
2752 63915ee5 2022-06-23 thomas const struct got_error *
2753 63915ee5 2022-06-23 thomas got_privsep_send_enumerated_tree(size_t *totlen, struct imsgbuf *ibuf,
2754 63915ee5 2022-06-23 thomas struct got_object_id *tree_id, const char *path,
2755 63915ee5 2022-06-23 thomas struct got_parsed_tree_entry *entries, int nentries)
2757 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
2758 63915ee5 2022-06-23 thomas struct ibuf *wbuf;
2759 63915ee5 2022-06-23 thomas size_t path_len = strlen(path);
2760 63915ee5 2022-06-23 thomas size_t msglen;
2762 63915ee5 2022-06-23 thomas msglen = sizeof(struct got_imsg_enumerated_tree) + path_len;
2763 63915ee5 2022-06-23 thomas wbuf = imsg_create(ibuf, GOT_IMSG_ENUMERATED_TREE, 0, 0, msglen);
2764 63915ee5 2022-06-23 thomas if (wbuf == NULL)
2765 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_create ENUMERATED_TREE");
2767 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, tree_id->sha1, SHA1_DIGEST_LENGTH) == -1)
2768 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_TREE");
2769 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, &nentries, sizeof(nentries)) == -1)
2770 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_TREE");
2771 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, path, path_len) == -1)
2772 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_TREE");
2774 63915ee5 2022-06-23 thomas wbuf->fd = -1;
2775 63915ee5 2022-06-23 thomas imsg_close(ibuf, wbuf);
2777 63915ee5 2022-06-23 thomas if (entries) {
2778 63915ee5 2022-06-23 thomas err = send_tree_entries(ibuf, entries, nentries);
2779 63915ee5 2022-06-23 thomas if (err)
2780 63915ee5 2022-06-23 thomas return err;
2783 63915ee5 2022-06-23 thomas return flush_imsg(ibuf);
2786 f9c2e8e5 2022-02-13 thomas const struct got_error *
2787 63915ee5 2022-06-23 thomas got_privsep_send_object_enumeration_request(struct imsgbuf *ibuf)
2789 63915ee5 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_REQUEST,
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_REQUEST");
2794 63915ee5 2022-06-23 thomas return flush_imsg(ibuf);
2797 63915ee5 2022-06-23 thomas const struct got_error *
2798 63915ee5 2022-06-23 thomas got_privsep_send_object_enumeration_done(struct imsgbuf *ibuf)
2800 63915ee5 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_DONE,
2801 63915ee5 2022-06-23 thomas 0, 0, -1, NULL, 0) == -1)
2802 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_compose "
2803 63915ee5 2022-06-23 thomas "OBJECT_ENUMERATION_DONE");
2805 63915ee5 2022-06-23 thomas return flush_imsg(ibuf);
2808 63915ee5 2022-06-23 thomas const struct got_error *
2809 e71f1e62 2022-06-23 thomas got_privsep_send_object_enumeration_incomplete(struct imsgbuf *ibuf)
2811 e71f1e62 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_INCOMPLETE,
2812 e71f1e62 2022-06-23 thomas 0, 0, -1, NULL, 0) == -1)
2813 e71f1e62 2022-06-23 thomas return got_error_from_errno("imsg_compose "
2814 e71f1e62 2022-06-23 thomas "OBJECT_ENUMERATION_INCOMPLETE");
2816 e71f1e62 2022-06-23 thomas return flush_imsg(ibuf);
2819 e71f1e62 2022-06-23 thomas const struct got_error *
2820 63915ee5 2022-06-23 thomas got_privsep_send_enumerated_commit(struct imsgbuf *ibuf,
2821 63915ee5 2022-06-23 thomas struct got_object_id *id, time_t mtime)
2823 63915ee5 2022-06-23 thomas struct ibuf *wbuf;
2825 63915ee5 2022-06-23 thomas wbuf = imsg_create(ibuf, GOT_IMSG_ENUMERATED_COMMIT, 0, 0,
2826 63915ee5 2022-06-23 thomas sizeof(struct got_imsg_enumerated_commit) + SHA1_DIGEST_LENGTH);
2827 63915ee5 2022-06-23 thomas if (wbuf == NULL)
2828 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_create ENUMERATED_COMMIT");
2830 63915ee5 2022-06-23 thomas /* Keep in sync with struct got_imsg_enumerated_commit! */
2831 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, id, SHA1_DIGEST_LENGTH) == -1)
2832 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_COMMIT");
2833 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, &mtime, sizeof(mtime)) == -1)
2834 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_COMMIT");
2836 63915ee5 2022-06-23 thomas wbuf->fd = -1;
2837 63915ee5 2022-06-23 thomas imsg_close(ibuf, wbuf);
2838 63915ee5 2022-06-23 thomas /* Don't flush yet, tree entries or ENUMERATION_DONE will follow. */
2839 63915ee5 2022-06-23 thomas return NULL;
2842 63915ee5 2022-06-23 thomas const struct got_error *
2843 e71f1e62 2022-06-23 thomas got_privsep_recv_enumerated_objects(int *found_all_objects,
2844 e71f1e62 2022-06-23 thomas struct imsgbuf *ibuf,
2845 63915ee5 2022-06-23 thomas got_object_enumerate_commit_cb cb_commit,
2846 63915ee5 2022-06-23 thomas got_object_enumerate_tree_cb cb_tree, void *cb_arg,
2847 63915ee5 2022-06-23 thomas struct got_repository *repo)
2849 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
2850 63915ee5 2022-06-23 thomas struct imsg imsg;
2851 63915ee5 2022-06-23 thomas struct got_imsg_enumerated_commit *icommit = NULL;
2852 63915ee5 2022-06-23 thomas struct got_object_id commit_id;
2853 63915ee5 2022-06-23 thomas int have_commit = 0;
2854 63915ee5 2022-06-23 thomas time_t mtime = 0;
2855 63915ee5 2022-06-23 thomas struct got_tree_object tree;
2856 63915ee5 2022-06-23 thomas struct got_imsg_enumerated_tree *itree;
2857 63915ee5 2022-06-23 thomas struct got_object_id tree_id;
2858 63915ee5 2022-06-23 thomas char *path = NULL, *canon_path = NULL;
2859 63915ee5 2022-06-23 thomas size_t datalen, path_len;
2860 63915ee5 2022-06-23 thomas int nentries = -1;
2861 63915ee5 2022-06-23 thomas int done = 0;
2863 e71f1e62 2022-06-23 thomas *found_all_objects = 0;
2864 63915ee5 2022-06-23 thomas memset(&tree, 0, sizeof(tree));
2866 63915ee5 2022-06-23 thomas while (!done) {
2867 63915ee5 2022-06-23 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2868 63915ee5 2022-06-23 thomas if (err)
2871 63915ee5 2022-06-23 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2872 63915ee5 2022-06-23 thomas switch (imsg.hdr.type) {
2873 77402035 2022-06-23 thomas case GOT_IMSG_ENUMERATED_COMMIT:
2874 63915ee5 2022-06-23 thomas if (have_commit && nentries != -1) {
2875 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2878 63915ee5 2022-06-23 thomas if (datalen != sizeof(*icommit)) {
2879 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2882 63915ee5 2022-06-23 thomas icommit = (struct got_imsg_enumerated_commit *)imsg.data;
2883 63915ee5 2022-06-23 thomas memcpy(commit_id.sha1, icommit->id, SHA1_DIGEST_LENGTH);
2884 63915ee5 2022-06-23 thomas mtime = icommit->mtime;
2885 63915ee5 2022-06-23 thomas have_commit = 1;
2887 63915ee5 2022-06-23 thomas case GOT_IMSG_ENUMERATED_TREE:
2888 63915ee5 2022-06-23 thomas /* Should be preceeded by GOT_IMSG_ENUMERATED_COMMIT. */
2889 63915ee5 2022-06-23 thomas if (!have_commit) {
2890 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2893 63915ee5 2022-06-23 thomas if (datalen < sizeof(*itree)) {
2894 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2897 63915ee5 2022-06-23 thomas itree = imsg.data;
2898 63915ee5 2022-06-23 thomas path_len = datalen - sizeof(*itree);
2899 63915ee5 2022-06-23 thomas if (path_len == 0) {
2900 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2903 63915ee5 2022-06-23 thomas memcpy(tree_id.sha1, itree->id, sizeof(tree_id.sha1));
2904 63915ee5 2022-06-23 thomas free(path);
2905 fcbb06bf 2023-01-14 thomas path = strndup(imsg.data + sizeof(*itree), path_len);
2906 63915ee5 2022-06-23 thomas if (path == NULL) {
2907 fcbb06bf 2023-01-14 thomas err = got_error_from_errno("strndup");
2910 63915ee5 2022-06-23 thomas free(canon_path);
2911 63915ee5 2022-06-23 thomas canon_path = malloc(path_len + 1);
2912 63915ee5 2022-06-23 thomas if (canon_path == NULL) {
2913 63915ee5 2022-06-23 thomas err = got_error_from_errno("malloc");
2916 63915ee5 2022-06-23 thomas if (!got_path_is_absolute(path)) {
2917 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_BAD_PATH);
2920 63915ee5 2022-06-23 thomas if (got_path_is_root_dir(path)) {
2921 63915ee5 2022-06-23 thomas /* XXX check what got_canonpath() does wrong */
2922 63915ee5 2022-06-23 thomas canon_path[0] = '/';
2923 63915ee5 2022-06-23 thomas canon_path[1] = '\0';
2924 63915ee5 2022-06-23 thomas } else {
2925 63915ee5 2022-06-23 thomas err = got_canonpath(path, canon_path,
2926 63915ee5 2022-06-23 thomas path_len + 1);
2927 63915ee5 2022-06-23 thomas if (err)
2930 63915ee5 2022-06-23 thomas if (strcmp(path, canon_path) != 0) {
2931 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_BAD_PATH);
2934 63915ee5 2022-06-23 thomas if (nentries != -1) {
2935 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2938 63915ee5 2022-06-23 thomas if (itree->nentries < -1) {
2939 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2942 63915ee5 2022-06-23 thomas if (itree->nentries == -1) {
2943 63915ee5 2022-06-23 thomas /* Tree was not found in pack file. */
2944 63915ee5 2022-06-23 thomas err = cb_tree(cb_arg, NULL, mtime, &tree_id,
2945 63915ee5 2022-06-23 thomas path, repo);
2948 63915ee5 2022-06-23 thomas if (itree->nentries > INT_MAX) {
2949 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2952 63915ee5 2022-06-23 thomas tree.entries = calloc(itree->nentries,
2953 63915ee5 2022-06-23 thomas sizeof(struct got_tree_entry));
2954 63915ee5 2022-06-23 thomas if (tree.entries == NULL) {
2955 63915ee5 2022-06-23 thomas err = got_error_from_errno("calloc");
2958 63915ee5 2022-06-23 thomas if (itree->nentries == 0) {
2959 63915ee5 2022-06-23 thomas err = cb_tree(cb_arg, &tree, mtime, &tree_id,
2960 63915ee5 2022-06-23 thomas path, repo);
2961 63915ee5 2022-06-23 thomas if (err)
2964 63915ee5 2022-06-23 thomas /* Prepare for next tree. */
2965 63915ee5 2022-06-23 thomas free(tree.entries);
2966 63915ee5 2022-06-23 thomas memset(&tree, 0, sizeof(tree));
2967 63915ee5 2022-06-23 thomas nentries = -1;
2968 63915ee5 2022-06-23 thomas } else {
2969 63915ee5 2022-06-23 thomas tree.nentries = itree->nentries;
2970 63915ee5 2022-06-23 thomas nentries = 0;
2973 63915ee5 2022-06-23 thomas case GOT_IMSG_TREE_ENTRIES:
2974 63915ee5 2022-06-23 thomas /* Should be preceeded by GOT_IMSG_ENUMERATED_TREE. */
2975 63915ee5 2022-06-23 thomas if (nentries <= -1) {
2976 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2979 63915ee5 2022-06-23 thomas err = recv_tree_entries(imsg.data, datalen,
2980 63915ee5 2022-06-23 thomas &tree, &nentries);
2981 63915ee5 2022-06-23 thomas if (err)
2983 63915ee5 2022-06-23 thomas if (tree.nentries == nentries) {
2984 63915ee5 2022-06-23 thomas err = cb_tree(cb_arg, &tree, mtime, &tree_id,
2985 63915ee5 2022-06-23 thomas path, repo);
2986 63915ee5 2022-06-23 thomas if (err)
2989 63915ee5 2022-06-23 thomas /* Prepare for next tree. */
2990 63915ee5 2022-06-23 thomas free(tree.entries);
2991 63915ee5 2022-06-23 thomas memset(&tree, 0, sizeof(tree));
2992 63915ee5 2022-06-23 thomas nentries = -1;
2995 63915ee5 2022-06-23 thomas case GOT_IMSG_TREE_ENUMERATION_DONE:
2996 63915ee5 2022-06-23 thomas /* All trees have been found and traversed. */
2997 63915ee5 2022-06-23 thomas if (!have_commit || path == NULL || nentries != -1) {
2998 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3001 63915ee5 2022-06-23 thomas err = cb_commit(cb_arg, mtime, &commit_id, repo);
3002 63915ee5 2022-06-23 thomas if (err)
3004 63915ee5 2022-06-23 thomas have_commit = 0;
3006 63915ee5 2022-06-23 thomas case GOT_IMSG_OBJECT_ENUMERATION_DONE:
3007 e71f1e62 2022-06-23 thomas *found_all_objects = 1;
3008 e71f1e62 2022-06-23 thomas done = 1;
3010 e71f1e62 2022-06-23 thomas case GOT_IMSG_OBJECT_ENUMERATION_INCOMPLETE:
3011 63915ee5 2022-06-23 thomas done = 1;
3013 63915ee5 2022-06-23 thomas default:
3014 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3018 63915ee5 2022-06-23 thomas imsg_free(&imsg);
3019 63915ee5 2022-06-23 thomas if (err)
3023 63915ee5 2022-06-23 thomas free(path);
3024 63915ee5 2022-06-23 thomas free(canon_path);
3025 63915ee5 2022-06-23 thomas free(tree.entries);
3026 63915ee5 2022-06-23 thomas return err;
3029 63915ee5 2022-06-23 thomas const struct got_error *
3030 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta_req(struct imsgbuf *ibuf, int idx,
3031 f9c2e8e5 2022-02-13 thomas struct got_object_id *id)
3033 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta_request dreq;
3035 c26ee7ad 2022-06-23 thomas memset(&dreq, 0, sizeof(dreq));
3036 f9c2e8e5 2022-02-13 thomas dreq.idx = idx;
3037 d77295e3 2023-02-03 thomas memcpy(&dreq.id, id, sizeof(dreq.id));
3039 f9c2e8e5 2022-02-13 thomas if (imsg_compose(ibuf, GOT_IMSG_RAW_DELTA_REQUEST, 0, 0, -1,
3040 f9c2e8e5 2022-02-13 thomas &dreq, sizeof(dreq)) == -1)
3041 f9c2e8e5 2022-02-13 thomas return got_error_from_errno("imsg_compose RAW_DELTA_REQUEST");
3043 f9c2e8e5 2022-02-13 thomas return flush_imsg(ibuf);
3046 f9c2e8e5 2022-02-13 thomas const struct got_error *
3047 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta_outfd(struct imsgbuf *ibuf, int fd)
3049 f9c2e8e5 2022-02-13 thomas return send_fd(ibuf, GOT_IMSG_RAW_DELTA_OUTFD, fd);
3052 f9c2e8e5 2022-02-13 thomas const struct got_error *
3053 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta(struct imsgbuf *ibuf, uint64_t base_size,
3054 9249e7e3 2022-05-12 thomas uint64_t result_size, off_t delta_size, off_t delta_compressed_size,
3055 9249e7e3 2022-05-12 thomas off_t delta_offset, off_t delta_out_offset, struct got_object_id *base_id)
3057 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta idelta;
3058 f9c2e8e5 2022-02-13 thomas int ret;
3060 c26ee7ad 2022-06-23 thomas memset(&idelta, 0, sizeof(idelta));
3061 f9c2e8e5 2022-02-13 thomas idelta.base_size = base_size;
3062 f9c2e8e5 2022-02-13 thomas idelta.result_size = result_size;
3063 f9c2e8e5 2022-02-13 thomas idelta.delta_size = delta_size;
3064 9249e7e3 2022-05-12 thomas idelta.delta_compressed_size = delta_compressed_size;
3065 f9c2e8e5 2022-02-13 thomas idelta.delta_offset = delta_offset;
3066 f9c2e8e5 2022-02-13 thomas idelta.delta_out_offset = delta_out_offset;
3067 564a8b01 2023-02-03 thomas memcpy(&idelta.base_id, &base_id, sizeof(idelta.base_id));
3069 f9c2e8e5 2022-02-13 thomas ret = imsg_compose(ibuf, GOT_IMSG_RAW_DELTA, 0, 0, -1,
3070 f9c2e8e5 2022-02-13 thomas &idelta, sizeof(idelta));
3071 f9c2e8e5 2022-02-13 thomas if (ret == -1)
3072 f9c2e8e5 2022-02-13 thomas return got_error_from_errno("imsg_compose RAW_DELTA");
3074 f9c2e8e5 2022-02-13 thomas return flush_imsg(ibuf);
3077 ca6e02ac 2020-01-07 stsp const struct got_error *
3078 f9c2e8e5 2022-02-13 thomas got_privsep_recv_raw_delta(uint64_t *base_size, uint64_t *result_size,
3079 9249e7e3 2022-05-12 thomas off_t *delta_size, off_t *delta_compressed_size, off_t *delta_offset,
3080 dd57e4ab 2023-02-03 thomas off_t *delta_out_offset, struct got_object_id **base_id,
3081 dd57e4ab 2023-02-03 thomas struct imsgbuf *ibuf)
3083 f9c2e8e5 2022-02-13 thomas const struct got_error *err = NULL;
3084 f9c2e8e5 2022-02-13 thomas struct imsg imsg;
3085 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta *delta;
3086 f9c2e8e5 2022-02-13 thomas size_t datalen;
3088 f9c2e8e5 2022-02-13 thomas *base_size = 0;
3089 f9c2e8e5 2022-02-13 thomas *result_size = 0;
3090 f9c2e8e5 2022-02-13 thomas *delta_size = 0;
3091 9249e7e3 2022-05-12 thomas *delta_compressed_size = 0;
3092 f9c2e8e5 2022-02-13 thomas *delta_offset = 0;
3093 f9c2e8e5 2022-02-13 thomas *delta_out_offset = 0;
3094 f9c2e8e5 2022-02-13 thomas *base_id = NULL;
3096 f9c2e8e5 2022-02-13 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3097 f9c2e8e5 2022-02-13 thomas if (err)
3098 f9c2e8e5 2022-02-13 thomas return err;
3100 f9c2e8e5 2022-02-13 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3102 f9c2e8e5 2022-02-13 thomas switch (imsg.hdr.type) {
3103 f9c2e8e5 2022-02-13 thomas case GOT_IMSG_RAW_DELTA:
3104 f9c2e8e5 2022-02-13 thomas if (datalen != sizeof(*delta)) {
3105 f9c2e8e5 2022-02-13 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3108 f9c2e8e5 2022-02-13 thomas delta = imsg.data;
3109 f9c2e8e5 2022-02-13 thomas *base_size = delta->base_size;
3110 f9c2e8e5 2022-02-13 thomas *result_size = delta->result_size;
3111 f9c2e8e5 2022-02-13 thomas *delta_size = delta->delta_size;
3112 9249e7e3 2022-05-12 thomas *delta_compressed_size = delta->delta_compressed_size;
3113 f9c2e8e5 2022-02-13 thomas *delta_offset = delta->delta_offset;
3114 f9c2e8e5 2022-02-13 thomas *delta_out_offset = delta->delta_out_offset;
3115 f9c2e8e5 2022-02-13 thomas *base_id = calloc(1, sizeof(**base_id));
3116 f9c2e8e5 2022-02-13 thomas if (*base_id == NULL) {
3117 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("malloc");
3120 564a8b01 2023-02-03 thomas memcpy(*base_id, &delta->base_id, sizeof(**base_id));
3122 f9c2e8e5 2022-02-13 thomas default:
3123 f9c2e8e5 2022-02-13 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3127 f9c2e8e5 2022-02-13 thomas imsg_free(&imsg);
3129 f9c2e8e5 2022-02-13 thomas if (err) {
3130 f9c2e8e5 2022-02-13 thomas free(*base_id);
3131 f9c2e8e5 2022-02-13 thomas *base_id = NULL;
3133 7d0d4920 2022-05-12 thomas return err;
3136 63915ee5 2022-06-23 thomas static const struct got_error *
3137 63915ee5 2022-06-23 thomas send_idlist(struct imsgbuf *ibuf, struct got_object_id **ids, size_t nids)
3139 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3140 7d0d4920 2022-05-12 thomas struct got_imsg_object_idlist idlist;
3141 7d0d4920 2022-05-12 thomas struct ibuf *wbuf;
3142 7d0d4920 2022-05-12 thomas size_t i;
3144 c26ee7ad 2022-06-23 thomas memset(&idlist, 0, sizeof(idlist));
3146 7d0d4920 2022-05-12 thomas if (nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS)
3147 7d0d4920 2022-05-12 thomas return got_error(GOT_ERR_NO_SPACE);
3149 7d0d4920 2022-05-12 thomas wbuf = imsg_create(ibuf, GOT_IMSG_OBJ_ID_LIST, 0, 0,
3150 7d0d4920 2022-05-12 thomas sizeof(idlist) + nids * sizeof(**ids));
3151 7d0d4920 2022-05-12 thomas if (wbuf == NULL) {
3152 7d0d4920 2022-05-12 thomas err = got_error_from_errno("imsg_create OBJ_ID_LIST");
3153 7d0d4920 2022-05-12 thomas return err;
3156 7d0d4920 2022-05-12 thomas idlist.nids = nids;
3157 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &idlist, sizeof(idlist)) == -1)
3158 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add OBJ_ID_LIST");
3160 7d0d4920 2022-05-12 thomas for (i = 0; i < nids; i++) {
3161 7d0d4920 2022-05-12 thomas struct got_object_id *id = ids[i];
3162 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, id, sizeof(*id)) == -1)
3163 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add OBJ_ID_LIST");
3166 7d0d4920 2022-05-12 thomas wbuf->fd = -1;
3167 7d0d4920 2022-05-12 thomas imsg_close(ibuf, wbuf);
3169 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3172 7d0d4920 2022-05-12 thomas const struct got_error *
3173 63915ee5 2022-06-23 thomas got_privsep_send_object_idlist(struct imsgbuf *ibuf,
3174 63915ee5 2022-06-23 thomas struct got_object_id **ids, size_t nids)
3176 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
3177 63915ee5 2022-06-23 thomas struct got_object_id *idlist[GOT_IMSG_OBJ_ID_LIST_MAX_NIDS];
3178 ef53e23c 2022-06-23 thomas int i, queued = 0;
3180 77402035 2022-06-23 thomas for (i = 0; i < nids; i++) {
3181 ef53e23c 2022-06-23 thomas idlist[i % nitems(idlist)] = ids[i];
3182 ef53e23c 2022-06-23 thomas queued++;
3183 8f3ec65d 2022-06-23 thomas if (queued >= nitems(idlist)) {
3184 ef53e23c 2022-06-23 thomas err = send_idlist(ibuf, idlist, queued);
3185 63915ee5 2022-06-23 thomas if (err)
3186 63915ee5 2022-06-23 thomas return err;
3187 ef53e23c 2022-06-23 thomas queued = 0;
3191 ef53e23c 2022-06-23 thomas if (queued > 0) {
3192 ef53e23c 2022-06-23 thomas err = send_idlist(ibuf, idlist, queued);
3193 63915ee5 2022-06-23 thomas if (err)
3194 63915ee5 2022-06-23 thomas return err;
3197 63915ee5 2022-06-23 thomas return NULL;
3200 63915ee5 2022-06-23 thomas const struct got_error *
3201 7d0d4920 2022-05-12 thomas got_privsep_send_object_idlist_done(struct imsgbuf *ibuf)
3203 7d0d4920 2022-05-12 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJ_ID_LIST_DONE, 0, 0, -1, NULL, 0)
3205 7d0d4920 2022-05-12 thomas return got_error_from_errno("imsg_compose OBJ_ID_LIST_DONE");
3207 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3210 7d0d4920 2022-05-12 thomas const struct got_error *
3211 7d0d4920 2022-05-12 thomas got_privsep_recv_object_idlist(int *done, struct got_object_id **ids,
3212 7d0d4920 2022-05-12 thomas size_t *nids, struct imsgbuf *ibuf)
3214 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3215 7d0d4920 2022-05-12 thomas struct imsg imsg;
3216 7d0d4920 2022-05-12 thomas struct got_imsg_object_idlist *idlist;
3217 7d0d4920 2022-05-12 thomas size_t datalen;
3219 7d0d4920 2022-05-12 thomas *ids = NULL;
3220 7d0d4920 2022-05-12 thomas *done = 0;
3221 7d0d4920 2022-05-12 thomas *nids = 0;
3223 7d0d4920 2022-05-12 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3224 7d0d4920 2022-05-12 thomas if (err)
3225 7d0d4920 2022-05-12 thomas return err;
3227 7d0d4920 2022-05-12 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3228 7d0d4920 2022-05-12 thomas switch (imsg.hdr.type) {
3229 7d0d4920 2022-05-12 thomas case GOT_IMSG_OBJ_ID_LIST:
3230 7d0d4920 2022-05-12 thomas if (datalen < sizeof(*idlist)) {
3231 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3234 7d0d4920 2022-05-12 thomas idlist = imsg.data;
3235 31d32634 2022-06-23 thomas if (idlist->nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS ||
3236 31d32634 2022-06-23 thomas idlist->nids * sizeof(**ids) > datalen - sizeof(*idlist)) {
3237 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3240 7d0d4920 2022-05-12 thomas *nids = idlist->nids;
3241 7d0d4920 2022-05-12 thomas *ids = calloc(*nids, sizeof(**ids));
3242 7d0d4920 2022-05-12 thomas if (*ids == NULL) {
3243 7d0d4920 2022-05-12 thomas err = got_error_from_errno("calloc");
3246 623d55de 2022-06-23 thomas memcpy(*ids, (uint8_t *)imsg.data + sizeof(*idlist),
3247 7d0d4920 2022-05-12 thomas *nids * sizeof(**ids));
3249 7d0d4920 2022-05-12 thomas case GOT_IMSG_OBJ_ID_LIST_DONE:
3250 7d0d4920 2022-05-12 thomas *done = 1;
3252 7d0d4920 2022-05-12 thomas default:
3253 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3257 7d0d4920 2022-05-12 thomas imsg_free(&imsg);
3259 7d0d4920 2022-05-12 thomas return err;
3262 7d0d4920 2022-05-12 thomas const struct got_error *
3263 7d0d4920 2022-05-12 thomas got_privsep_send_delta_reuse_req(struct imsgbuf *ibuf)
3265 7d0d4920 2022-05-12 thomas if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_REQUEST, 0, 0, -1, NULL, 0)
3267 7d0d4920 2022-05-12 thomas return got_error_from_errno("imsg_compose DELTA_REUSE_REQUEST");
3269 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3272 7d0d4920 2022-05-12 thomas const struct got_error *
3273 7d0d4920 2022-05-12 thomas got_privsep_send_reused_deltas(struct imsgbuf *ibuf,
3274 7d0d4920 2022-05-12 thomas struct got_imsg_reused_delta *deltas, size_t ndeltas)
3276 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3277 7d0d4920 2022-05-12 thomas struct ibuf *wbuf;
3278 7d0d4920 2022-05-12 thomas struct got_imsg_reused_deltas ideltas;
3279 7d0d4920 2022-05-12 thomas size_t i;
3281 c26ee7ad 2022-06-23 thomas memset(&ideltas, 0, sizeof(ideltas));
3283 7d0d4920 2022-05-12 thomas if (ndeltas > GOT_IMSG_REUSED_DELTAS_MAX_NDELTAS)
3284 7d0d4920 2022-05-12 thomas return got_error(GOT_ERR_NO_SPACE);
3286 7d0d4920 2022-05-12 thomas wbuf = imsg_create(ibuf, GOT_IMSG_REUSED_DELTAS, 0, 0,
3287 7d0d4920 2022-05-12 thomas sizeof(ideltas) + ndeltas * sizeof(*deltas));
3288 7d0d4920 2022-05-12 thomas if (wbuf == NULL) {
3289 7d0d4920 2022-05-12 thomas err = got_error_from_errno("imsg_create REUSED_DELTAS");
3290 7d0d4920 2022-05-12 thomas return err;
3293 7d0d4920 2022-05-12 thomas ideltas.ndeltas = ndeltas;
3294 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &ideltas, sizeof(ideltas)) == -1)
3295 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add REUSED_DELTAS");
3297 7d0d4920 2022-05-12 thomas for (i = 0; i < ndeltas; i++) {
3298 7d0d4920 2022-05-12 thomas struct got_imsg_reused_delta *delta = &deltas[i];
3299 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, delta, sizeof(*delta)) == -1)
3300 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add REUSED_DELTAS");
3303 7d0d4920 2022-05-12 thomas wbuf->fd = -1;
3304 7d0d4920 2022-05-12 thomas imsg_close(ibuf, wbuf);
3306 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3309 7d0d4920 2022-05-12 thomas const struct got_error *
3310 7d0d4920 2022-05-12 thomas got_privsep_send_reused_deltas_done(struct imsgbuf *ibuf)
3312 7d0d4920 2022-05-12 thomas if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_DONE, 0, 0, -1, NULL, 0)
3314 7d0d4920 2022-05-12 thomas return got_error_from_errno("imsg_compose DELTA_REUSE_DONE");
3316 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3319 7d0d4920 2022-05-12 thomas const struct got_error *
3320 7d0d4920 2022-05-12 thomas got_privsep_recv_reused_deltas(int *done, struct got_imsg_reused_delta *deltas,
3321 7d0d4920 2022-05-12 thomas size_t *ndeltas, struct imsgbuf *ibuf)
3323 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3324 7d0d4920 2022-05-12 thomas struct imsg imsg;
3325 7d0d4920 2022-05-12 thomas struct got_imsg_reused_deltas *ideltas;
3326 7d0d4920 2022-05-12 thomas size_t datalen;
3328 7d0d4920 2022-05-12 thomas *done = 0;
3329 7d0d4920 2022-05-12 thomas *ndeltas = 0;
3331 7d0d4920 2022-05-12 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3332 7d0d4920 2022-05-12 thomas if (err)
3333 7d0d4920 2022-05-12 thomas return err;
3335 7d0d4920 2022-05-12 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3336 7d0d4920 2022-05-12 thomas switch (imsg.hdr.type) {
3337 7d0d4920 2022-05-12 thomas case GOT_IMSG_REUSED_DELTAS:
3338 7d0d4920 2022-05-12 thomas if (datalen < sizeof(*ideltas)) {
3339 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3342 7d0d4920 2022-05-12 thomas ideltas = imsg.data;
3343 31d32634 2022-06-23 thomas if (ideltas->ndeltas > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS ||
3344 31d32634 2022-06-23 thomas ideltas->ndeltas * sizeof(*deltas) >
3345 31d32634 2022-06-23 thomas datalen - sizeof(*ideltas)) {
3346 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3349 7d0d4920 2022-05-12 thomas *ndeltas = ideltas->ndeltas;
3350 623d55de 2022-06-23 thomas memcpy(deltas, (uint8_t *)imsg.data + sizeof(*ideltas),
3351 7d0d4920 2022-05-12 thomas *ndeltas * sizeof(*deltas));
3353 7d0d4920 2022-05-12 thomas case GOT_IMSG_DELTA_REUSE_DONE:
3354 7d0d4920 2022-05-12 thomas *done = 1;
3356 7d0d4920 2022-05-12 thomas default:
3357 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3361 7d0d4920 2022-05-12 thomas imsg_free(&imsg);
3363 ec2b23c5 2022-07-01 thomas return err;
3366 ec2b23c5 2022-07-01 thomas const struct got_error *
3367 ec2b23c5 2022-07-01 thomas got_privsep_init_commit_painting(struct imsgbuf *ibuf)
3369 ec2b23c5 2022-07-01 thomas if (imsg_compose(ibuf, GOT_IMSG_COMMIT_PAINTING_INIT,
3370 ec2b23c5 2022-07-01 thomas 0, 0, -1, NULL, 0)
3372 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_compose "
3373 ec2b23c5 2022-07-01 thomas "COMMIT_PAINTING_INIT");
3375 ec2b23c5 2022-07-01 thomas return flush_imsg(ibuf);
3378 ec2b23c5 2022-07-01 thomas const struct got_error *
3379 ec2b23c5 2022-07-01 thomas got_privsep_send_painting_request(struct imsgbuf *ibuf, int idx,
3380 ec2b23c5 2022-07-01 thomas struct got_object_id *id, intptr_t color)
3382 ec2b23c5 2022-07-01 thomas struct got_imsg_commit_painting_request ireq;
3384 ec2b23c5 2022-07-01 thomas memset(&ireq, 0, sizeof(ireq));
3385 35cdfa2c 2023-02-20 thomas memcpy(&ireq.id, id, sizeof(ireq.id));
3386 ec2b23c5 2022-07-01 thomas ireq.idx = idx;
3387 ec2b23c5 2022-07-01 thomas ireq.color = color;
3389 ec2b23c5 2022-07-01 thomas if (imsg_compose(ibuf, GOT_IMSG_COMMIT_PAINTING_REQUEST, 0, 0, -1,
3390 ec2b23c5 2022-07-01 thomas &ireq, sizeof(ireq)) == -1)
3391 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_compose "
3392 ec2b23c5 2022-07-01 thomas "COMMIT_PAINTING_REQUEST");
3394 ec2b23c5 2022-07-01 thomas return flush_imsg(ibuf);
3397 ec2b23c5 2022-07-01 thomas static const struct got_error *
3398 ec2b23c5 2022-07-01 thomas send_painted_commits(struct got_object_id_queue *ids, int *nids,
3399 ec2b23c5 2022-07-01 thomas size_t remain, int present_in_pack, struct imsgbuf *ibuf)
3401 ec2b23c5 2022-07-01 thomas const struct got_error *err = NULL;
3402 ec2b23c5 2022-07-01 thomas struct ibuf *wbuf = NULL;
3403 ec2b23c5 2022-07-01 thomas struct got_object_qid *qid;
3404 ec2b23c5 2022-07-01 thomas size_t msglen;
3405 ec2b23c5 2022-07-01 thomas int ncommits;
3406 ec2b23c5 2022-07-01 thomas intptr_t color;
3408 ec2b23c5 2022-07-01 thomas msglen = MIN(remain, MAX_IMSGSIZE - IMSG_HEADER_SIZE);
3409 ec2b23c5 2022-07-01 thomas ncommits = (msglen - sizeof(struct got_imsg_painted_commits)) /
3410 ec2b23c5 2022-07-01 thomas sizeof(struct got_imsg_painted_commit);
3412 ec2b23c5 2022-07-01 thomas wbuf = imsg_create(ibuf, GOT_IMSG_PAINTED_COMMITS, 0, 0, msglen);
3413 ec2b23c5 2022-07-01 thomas if (wbuf == NULL) {
3414 ec2b23c5 2022-07-01 thomas err = got_error_from_errno("imsg_create PAINTED_COMMITS");
3415 ec2b23c5 2022-07-01 thomas return err;
3418 ec2b23c5 2022-07-01 thomas /* Keep in sync with struct got_imsg_painted_commits! */
3419 ec2b23c5 2022-07-01 thomas if (imsg_add(wbuf, &ncommits, sizeof(ncommits)) == -1)
3420 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_add PAINTED_COMMITS");
3421 ec2b23c5 2022-07-01 thomas if (imsg_add(wbuf, &present_in_pack, sizeof(present_in_pack)) == -1)
3422 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_add PAINTED_COMMITS");
3424 ec2b23c5 2022-07-01 thomas while (ncommits > 0) {
3425 ec2b23c5 2022-07-01 thomas qid = STAILQ_FIRST(ids);
3426 ec2b23c5 2022-07-01 thomas STAILQ_REMOVE_HEAD(ids, entry);
3427 ec2b23c5 2022-07-01 thomas ncommits--;
3428 ec2b23c5 2022-07-01 thomas (*nids)--;
3429 ec2b23c5 2022-07-01 thomas color = (intptr_t)qid->data;
3431 ec2b23c5 2022-07-01 thomas /* Keep in sync with struct got_imsg_painted_commit! */
3432 ec2b23c5 2022-07-01 thomas if (imsg_add(wbuf, qid->id.sha1, SHA1_DIGEST_LENGTH) == -1)
3433 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_add PAINTED_COMMITS");
3434 ec2b23c5 2022-07-01 thomas if (imsg_add(wbuf, &color, sizeof(color)) == -1)
3435 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_add PAINTED_COMMITS");
3437 ec2b23c5 2022-07-01 thomas got_object_qid_free(qid);
3440 ec2b23c5 2022-07-01 thomas wbuf->fd = -1;
3441 ec2b23c5 2022-07-01 thomas imsg_close(ibuf, wbuf);
3443 ec2b23c5 2022-07-01 thomas return flush_imsg(ibuf);
3446 ec2b23c5 2022-07-01 thomas const struct got_error *
3447 ec2b23c5 2022-07-01 thomas got_privsep_send_painted_commits(struct imsgbuf *ibuf,
3448 ec2b23c5 2022-07-01 thomas struct got_object_id_queue *ids, int *nids,
3449 ec2b23c5 2022-07-01 thomas int present_in_pack, int flush)
3451 ec2b23c5 2022-07-01 thomas const struct got_error *err;
3452 ec2b23c5 2022-07-01 thomas size_t remain;
3454 ec2b23c5 2022-07-01 thomas if (*nids <= 0)
3455 ec2b23c5 2022-07-01 thomas return NULL;
3458 ec2b23c5 2022-07-01 thomas remain = (sizeof(struct got_imsg_painted_commits)) +
3459 ec2b23c5 2022-07-01 thomas *nids * sizeof(struct got_imsg_painted_commit);
3460 ec2b23c5 2022-07-01 thomas if (flush || remain >= MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
3461 ec2b23c5 2022-07-01 thomas err = send_painted_commits(ids, nids, remain,
3462 ec2b23c5 2022-07-01 thomas present_in_pack, ibuf);
3463 ec2b23c5 2022-07-01 thomas if (err)
3464 ec2b23c5 2022-07-01 thomas return err;
3466 ec2b23c5 2022-07-01 thomas } while (flush && *nids > 0);
3468 ec2b23c5 2022-07-01 thomas return NULL;
3471 ec2b23c5 2022-07-01 thomas const struct got_error *
3472 ec2b23c5 2022-07-01 thomas got_privsep_send_painting_commits_done(struct imsgbuf *ibuf)
3474 ec2b23c5 2022-07-01 thomas if (imsg_compose(ibuf, GOT_IMSG_COMMIT_PAINTING_DONE,
3475 ec2b23c5 2022-07-01 thomas 0, 0, -1, NULL, 0)
3477 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_compose "
3478 ec2b23c5 2022-07-01 thomas "COMMIT_PAINTING_DONE");
3480 ec2b23c5 2022-07-01 thomas return flush_imsg(ibuf);
3483 ec2b23c5 2022-07-01 thomas const struct got_error *
3484 ec2b23c5 2022-07-01 thomas got_privsep_recv_painted_commits(struct got_object_id_queue *new_ids,
3485 ec2b23c5 2022-07-01 thomas got_privsep_recv_painted_commit_cb cb, void *cb_arg, struct imsgbuf *ibuf)
3487 ec2b23c5 2022-07-01 thomas const struct got_error *err = NULL;
3488 ec2b23c5 2022-07-01 thomas struct imsg imsg;
3489 ec2b23c5 2022-07-01 thomas struct got_imsg_painted_commits icommits;
3490 ec2b23c5 2022-07-01 thomas struct got_imsg_painted_commit icommit;
3491 ec2b23c5 2022-07-01 thomas size_t datalen;
3494 ec2b23c5 2022-07-01 thomas for (;;) {
3495 ec2b23c5 2022-07-01 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3496 ec2b23c5 2022-07-01 thomas if (err)
3497 ec2b23c5 2022-07-01 thomas return err;
3499 ec2b23c5 2022-07-01 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3500 ec2b23c5 2022-07-01 thomas if (imsg.hdr.type == GOT_IMSG_COMMIT_PAINTING_DONE)
3502 ec2b23c5 2022-07-01 thomas if (imsg.hdr.type != GOT_IMSG_PAINTED_COMMITS)
3503 ec2b23c5 2022-07-01 thomas return got_error(GOT_ERR_PRIVSEP_MSG);
3505 ec2b23c5 2022-07-01 thomas if (datalen < sizeof(icommits))
3506 ec2b23c5 2022-07-01 thomas return got_error(GOT_ERR_PRIVSEP_LEN);
3507 ec2b23c5 2022-07-01 thomas memcpy(&icommits, imsg.data, sizeof(icommits));
3508 ec2b23c5 2022-07-01 thomas if (icommits.ncommits * sizeof(icommit) < icommits.ncommits ||
3509 ec2b23c5 2022-07-01 thomas datalen < sizeof(icommits) +
3510 ec2b23c5 2022-07-01 thomas icommits.ncommits * sizeof(icommit))
3511 ec2b23c5 2022-07-01 thomas return got_error(GOT_ERR_PRIVSEP_LEN);
3513 ec2b23c5 2022-07-01 thomas for (i = 0; i < icommits.ncommits; i++) {
3514 ec2b23c5 2022-07-01 thomas memcpy(&icommit,
3515 ec2b23c5 2022-07-01 thomas (uint8_t *)imsg.data + sizeof(icommits) + i * sizeof(icommit),
3516 ec2b23c5 2022-07-01 thomas sizeof(icommit));
3518 ec2b23c5 2022-07-01 thomas if (icommits.present_in_pack) {
3519 ec2b23c5 2022-07-01 thomas struct got_object_id id;
3520 ec2b23c5 2022-07-01 thomas memcpy(id.sha1, icommit.id, SHA1_DIGEST_LENGTH);
3521 ec2b23c5 2022-07-01 thomas err = cb(cb_arg, &id, icommit.color);
3522 ec2b23c5 2022-07-01 thomas if (err)
3524 ec2b23c5 2022-07-01 thomas } else {
3525 ec2b23c5 2022-07-01 thomas struct got_object_qid *qid;
3526 ec2b23c5 2022-07-01 thomas err = got_object_qid_alloc_partial(&qid);
3527 ec2b23c5 2022-07-01 thomas if (err)
3529 ec2b23c5 2022-07-01 thomas memcpy(qid->id.sha1, icommit.id,
3530 ec2b23c5 2022-07-01 thomas SHA1_DIGEST_LENGTH);
3531 ec2b23c5 2022-07-01 thomas qid->data = (void *)icommit.color;
3532 ec2b23c5 2022-07-01 thomas STAILQ_INSERT_TAIL(new_ids, qid, entry);
3536 ec2b23c5 2022-07-01 thomas imsg_free(&imsg);
3539 f9c2e8e5 2022-02-13 thomas return err;
3542 f9c2e8e5 2022-02-13 thomas const struct got_error *
3543 63219cd2 2019-01-04 stsp got_privsep_unveil_exec_helpers(void)
3545 c39c25dd 2019-08-09 stsp const char *helpers[] = {
3546 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_PACK,
3547 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_OBJECT,
3548 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_COMMIT,
3549 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TREE,
3550 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_BLOB,
3551 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TAG,
3552 aba9c984 2019-09-08 stsp GOT_PATH_PROG_READ_GITCONFIG,
3553 257add31 2020-09-09 stsp GOT_PATH_PROG_READ_GOTCONFIG,
3554 069bbb86 2022-03-07 thomas GOT_PATH_PROG_READ_PATCH,
3555 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_FETCH_PACK,
3556 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_INDEX_PACK,
3557 f8a36e22 2021-08-26 stsp GOT_PATH_PROG_SEND_PACK,
3561 c39c25dd 2019-08-09 stsp for (i = 0; i < nitems(helpers); i++) {
3562 c39c25dd 2019-08-09 stsp if (unveil(helpers[i], "x") == 0)
3564 c39c25dd 2019-08-09 stsp return got_error_from_errno2("unveil", helpers[i]);
3567 63219cd2 2019-01-04 stsp return NULL;
3571 aba9c984 2019-09-08 stsp got_privsep_exec_child(int imsg_fds[2], const char *path, const char *repo_path)
3573 08578a35 2021-01-22 stsp if (close(imsg_fds[0]) == -1) {
3574 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3578 aba9c984 2019-09-08 stsp if (dup2(imsg_fds[1], GOT_IMSG_FD_CHILD) == -1) {
3579 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3583 ce95518e 2021-12-10 thomas closefrom(GOT_IMSG_FD_CHILD + 1);
3585 aba9c984 2019-09-08 stsp if (execl(path, path, repo_path, (char *)NULL) == -1) {
3586 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s: %s\n", getprogname(), path,
3587 aba9c984 2019-09-08 stsp strerror(errno));