2 5aa81393 2020-01-06 stsp * Copyright (c) 2018, 2019, 2020 Stefan Sperling <stsp@openbsd.org>
3 93658fb9 2020-03-18 stsp * Copyright (c) 2020 Ori Bernstein <ori@openbsd.org>
5 2178c42e 2018-04-22 stsp * Permission to use, copy, modify, and distribute this software for any
6 2178c42e 2018-04-22 stsp * purpose with or without fee is hereby granted, provided that the above
7 2178c42e 2018-04-22 stsp * copyright notice and this permission notice appear in all copies.
9 2178c42e 2018-04-22 stsp * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 2178c42e 2018-04-22 stsp * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 2178c42e 2018-04-22 stsp * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 2178c42e 2018-04-22 stsp * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 2178c42e 2018-04-22 stsp * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 2178c42e 2018-04-22 stsp * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 2178c42e 2018-04-22 stsp * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 2178c42e 2018-04-22 stsp #include <sys/types.h>
19 8b925c6c 2022-07-16 thomas #include <sys/queue.h>
20 2178c42e 2018-04-22 stsp #include <sys/uio.h>
21 876c234b 2018-09-10 stsp #include <sys/wait.h>
23 531c3985 2020-03-18 stsp #include <ctype.h>
24 23c57b28 2020-09-11 naddy #include <limits.h>
25 a486b62b 2021-05-18 stsp #include <signal.h>
26 2178c42e 2018-04-22 stsp #include <stdio.h>
27 2178c42e 2018-04-22 stsp #include <stdlib.h>
28 2178c42e 2018-04-22 stsp #include <string.h>
29 2178c42e 2018-04-22 stsp #include <errno.h>
30 2178c42e 2018-04-22 stsp #include <stdint.h>
31 2178c42e 2018-04-22 stsp #include <poll.h>
32 588a8092 2023-02-23 thomas #include <imsg.h>
33 81a12da5 2020-09-09 naddy #include <unistd.h>
34 2178c42e 2018-04-22 stsp #include <zlib.h>
36 dd038bc6 2021-09-21 thomas.ad #include "got_compat.h"
38 2178c42e 2018-04-22 stsp #include "got_object.h"
39 2178c42e 2018-04-22 stsp #include "got_error.h"
40 3022d272 2019-11-14 stsp #include "got_path.h"
41 cd95becd 2019-11-29 stsp #include "got_repository.h"
43 be288a59 2023-02-23 thomas #include "got_lib_hash.h"
44 2178c42e 2018-04-22 stsp #include "got_lib_delta.h"
45 63581804 2018-07-09 stsp #include "got_lib_inflate.h"
46 2178c42e 2018-04-22 stsp #include "got_lib_object.h"
47 a440fac0 2018-09-06 stsp #include "got_lib_object_parse.h"
48 232c0ac1 2023-04-22 thomas #include "got_lib_object_qid.h"
49 2178c42e 2018-04-22 stsp #include "got_lib_privsep.h"
50 876c234b 2018-09-10 stsp #include "got_lib_pack.h"
51 3efd8e31 2022-10-23 thomas #include "got_lib_poll.h"
53 ef20f542 2022-06-26 thomas #include "got_privsep.h"
56 2178c42e 2018-04-22 stsp #define MIN(_a,_b) ((_a) < (_b) ? (_a) : (_b))
59 c39c25dd 2019-08-09 stsp #ifndef nitems
60 c39c25dd 2019-08-09 stsp #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
63 2178c42e 2018-04-22 stsp static const struct got_error *
64 e033d803 2018-04-23 stsp read_imsg(struct imsgbuf *ibuf)
66 fe36cf76 2018-04-23 stsp const struct got_error *err;
69 3efd8e31 2022-10-23 thomas err = got_poll_fd(ibuf->fd, POLLIN, INFTIM);
70 3efd8e31 2022-10-23 thomas if (err) {
71 3efd8e31 2022-10-23 thomas if (err->code == GOT_ERR_EOF)
72 3efd8e31 2022-10-23 thomas return got_error(GOT_ERR_PRIVSEP_PIPE);
73 ff470224 2022-05-19 thomas return err;
76 fe36cf76 2018-04-23 stsp n = imsg_read(ibuf);
77 fe36cf76 2018-04-23 stsp if (n == -1) {
78 fe36cf76 2018-04-23 stsp if (errno == EAGAIN) /* Could be a file-descriptor leak. */
79 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_NO_FD);
80 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_READ);
83 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_PIPE);
85 e033d803 2018-04-23 stsp return NULL;
88 ad242220 2018-09-08 stsp const struct got_error *
89 876c234b 2018-09-10 stsp got_privsep_wait_for_child(pid_t pid)
91 876c234b 2018-09-10 stsp int child_status;
93 2cb49fa8 2019-05-10 stsp if (waitpid(pid, &child_status, 0) == -1)
94 638f9024 2019-05-13 stsp return got_error_from_errno("waitpid");
96 876c234b 2018-09-10 stsp if (!WIFEXITED(child_status))
97 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_DIED);
99 876c234b 2018-09-10 stsp if (WEXITSTATUS(child_status) != 0)
100 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_EXIT);
102 876c234b 2018-09-10 stsp return NULL;
105 73b7854a 2018-11-11 stsp static const struct got_error *
106 73b7854a 2018-11-11 stsp recv_imsg_error(struct imsg *imsg, size_t datalen)
108 73b7854a 2018-11-11 stsp struct got_imsg_error *ierr;
110 73b7854a 2018-11-11 stsp if (datalen != sizeof(*ierr))
111 73b7854a 2018-11-11 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
113 73b7854a 2018-11-11 stsp ierr = imsg->data;
114 73b7854a 2018-11-11 stsp if (ierr->code == GOT_ERR_ERRNO) {
115 73b7854a 2018-11-11 stsp static struct got_error serr;
116 73b7854a 2018-11-11 stsp serr.code = GOT_ERR_ERRNO;
117 73b7854a 2018-11-11 stsp serr.msg = strerror(ierr->errno_code);
118 73b7854a 2018-11-11 stsp return &serr;
121 73b7854a 2018-11-11 stsp return got_error(ierr->code);
124 876c234b 2018-09-10 stsp const struct got_error *
125 46de5bfd 2018-11-11 stsp got_privsep_recv_imsg(struct imsg *imsg, struct imsgbuf *ibuf,
126 46de5bfd 2018-11-11 stsp size_t min_datalen)
128 e033d803 2018-04-23 stsp const struct got_error *err;
131 e033d803 2018-04-23 stsp n = imsg_get(ibuf, imsg);
132 876c234b 2018-09-10 stsp if (n == -1)
133 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_get");
135 876c234b 2018-09-10 stsp while (n == 0) {
136 876c234b 2018-09-10 stsp err = read_imsg(ibuf);
138 876c234b 2018-09-10 stsp return err;
139 876c234b 2018-09-10 stsp n = imsg_get(ibuf, imsg);
140 cbfaaf20 2020-01-06 stsp if (n == -1)
141 cbfaaf20 2020-01-06 stsp return got_error_from_errno("imsg_get");
144 fe36cf76 2018-04-23 stsp if (imsg->hdr.len < IMSG_HEADER_SIZE + min_datalen)
145 c4eae628 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
147 73b7854a 2018-11-11 stsp if (imsg->hdr.type == GOT_IMSG_ERROR) {
148 73b7854a 2018-11-11 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
149 73b7854a 2018-11-11 stsp return recv_imsg_error(imsg, datalen);
152 73b7854a 2018-11-11 stsp return NULL;
155 2178c42e 2018-04-22 stsp /* Attempt to send an error in an imsg. Complain on stderr as a last resort. */
157 2178c42e 2018-04-22 stsp got_privsep_send_error(struct imsgbuf *ibuf, const struct got_error *err)
159 2178c42e 2018-04-22 stsp const struct got_error *poll_err;
160 2178c42e 2018-04-22 stsp struct got_imsg_error ierr;
163 2178c42e 2018-04-22 stsp ierr.code = err->code;
164 2178c42e 2018-04-22 stsp if (err->code == GOT_ERR_ERRNO)
165 2178c42e 2018-04-22 stsp ierr.errno_code = errno;
167 2178c42e 2018-04-22 stsp ierr.errno_code = 0;
168 2178c42e 2018-04-22 stsp ret = imsg_compose(ibuf, GOT_IMSG_ERROR, 0, 0, -1, &ierr, sizeof(ierr));
169 e93cd828 2018-11-11 stsp if (ret == -1) {
170 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_compose: %s\n",
171 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
175 3efd8e31 2022-10-23 thomas poll_err = got_poll_fd(ibuf->fd, POLLOUT, INFTIM);
176 5d43e84d 2018-04-23 stsp if (poll_err) {
177 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": poll: %s\n",
178 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, poll_err->msg);
182 2178c42e 2018-04-22 stsp ret = imsg_flush(ibuf);
183 5d43e84d 2018-04-23 stsp if (ret == -1) {
184 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_flush: %s\n",
185 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
186 e2752401 2022-02-16 thomas imsg_clear(ibuf);
191 e033d803 2018-04-23 stsp static const struct got_error *
192 e033d803 2018-04-23 stsp flush_imsg(struct imsgbuf *ibuf)
194 e033d803 2018-04-23 stsp const struct got_error *err;
196 3efd8e31 2022-10-23 thomas err = got_poll_fd(ibuf->fd, POLLOUT, INFTIM);
198 e033d803 2018-04-23 stsp return err;
200 e2752401 2022-02-16 thomas if (imsg_flush(ibuf) == -1) {
201 e2752401 2022-02-16 thomas imsg_clear(ibuf);
202 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_flush");
205 e033d803 2018-04-23 stsp return NULL;
208 ad242220 2018-09-08 stsp const struct got_error *
209 e70bf110 2020-03-22 stsp got_privsep_flush_imsg(struct imsgbuf *ibuf)
211 e70bf110 2020-03-22 stsp return flush_imsg(ibuf);
214 e70bf110 2020-03-22 stsp const struct got_error *
215 ad242220 2018-09-08 stsp got_privsep_send_stop(int fd)
217 ad242220 2018-09-08 stsp const struct got_error *err = NULL;
218 ad242220 2018-09-08 stsp struct imsgbuf ibuf;
220 ad242220 2018-09-08 stsp imsg_init(&ibuf, fd);
222 ad242220 2018-09-08 stsp if (imsg_compose(&ibuf, GOT_IMSG_STOP, 0, 0, -1, NULL, 0) == -1)
223 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose STOP");
225 ad242220 2018-09-08 stsp err = flush_imsg(&ibuf);
226 ad242220 2018-09-08 stsp return err;
229 93658fb9 2020-03-18 stsp const struct got_error *
230 d5c81d44 2021-07-08 stsp got_privsep_send_obj_req(struct imsgbuf *ibuf, int fd,
231 d5c81d44 2021-07-08 stsp struct got_object_id *id)
233 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT_REQUEST, 0, 0, fd,
234 d5c81d44 2021-07-08 stsp id, sizeof(*id)) == -1)
235 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT_REQUEST");
237 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
240 59d1e4a0 2021-03-10 stsp const struct got_error *
241 d5c81d44 2021-07-08 stsp got_privsep_send_raw_obj_req(struct imsgbuf *ibuf, int fd,
242 d5c81d44 2021-07-08 stsp struct got_object_id *id)
244 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_OBJECT_REQUEST, 0, 0, fd,
245 d5c81d44 2021-07-08 stsp id, sizeof(*id)) == -1)
246 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose RAW_OBJECT_REQUEST");
248 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
251 59d1e4a0 2021-03-10 stsp const struct got_error *
252 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj_outfd(struct imsgbuf *ibuf, int outfd)
254 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
256 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_OBJECT_OUTFD, 0, 0, outfd, NULL, 0)
258 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_compose RAW_OBJECT_OUTFD");
259 59d1e4a0 2021-03-10 stsp close(outfd);
260 59d1e4a0 2021-03-10 stsp return err;
263 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
266 59d1e4a0 2021-03-10 stsp const struct got_error *
267 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj(struct imsgbuf *ibuf, off_t size, size_t hdrlen,
268 59d1e4a0 2021-03-10 stsp uint8_t *data)
270 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
271 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj iobj;
272 59d1e4a0 2021-03-10 stsp size_t len = sizeof(iobj);
273 59d1e4a0 2021-03-10 stsp struct ibuf *wbuf;
275 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
276 59d1e4a0 2021-03-10 stsp iobj.hdrlen = hdrlen;
277 59d1e4a0 2021-03-10 stsp iobj.size = size;
279 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX)
280 a8591711 2021-06-18 stsp len += (size_t)size + hdrlen;
282 59d1e4a0 2021-03-10 stsp wbuf = imsg_create(ibuf, GOT_IMSG_RAW_OBJECT, 0, 0, len);
283 59d1e4a0 2021-03-10 stsp if (wbuf == NULL) {
284 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_create RAW_OBJECT");
285 59d1e4a0 2021-03-10 stsp return err;
288 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &iobj, sizeof(iobj)) == -1)
289 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add RAW_OBJECT");
291 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
292 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, data, size + hdrlen) == -1)
293 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add RAW_OBJECT");
296 59d1e4a0 2021-03-10 stsp wbuf->fd = -1;
297 59d1e4a0 2021-03-10 stsp imsg_close(ibuf, wbuf);
299 1785f84a 2018-12-23 stsp return flush_imsg(ibuf);
302 1785f84a 2018-12-23 stsp const struct got_error *
303 59d1e4a0 2021-03-10 stsp got_privsep_recv_raw_obj(uint8_t **outbuf, off_t *size, size_t *hdrlen,
304 59d1e4a0 2021-03-10 stsp struct imsgbuf *ibuf)
306 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
307 59d1e4a0 2021-03-10 stsp struct imsg imsg;
308 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj *iobj;
309 59d1e4a0 2021-03-10 stsp size_t datalen;
311 59d1e4a0 2021-03-10 stsp *outbuf = NULL;
313 59d1e4a0 2021-03-10 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
315 59d1e4a0 2021-03-10 stsp return err;
317 59d1e4a0 2021-03-10 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
319 59d1e4a0 2021-03-10 stsp switch (imsg.hdr.type) {
320 59d1e4a0 2021-03-10 stsp case GOT_IMSG_RAW_OBJECT:
321 59d1e4a0 2021-03-10 stsp if (datalen < sizeof(*iobj)) {
322 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
325 59d1e4a0 2021-03-10 stsp iobj = imsg.data;
326 59d1e4a0 2021-03-10 stsp *size = iobj->size;
327 59d1e4a0 2021-03-10 stsp *hdrlen = iobj->hdrlen;
329 59d1e4a0 2021-03-10 stsp if (datalen == sizeof(*iobj)) {
330 59d1e4a0 2021-03-10 stsp /* Data has been written to file descriptor. */
334 31d32634 2022-06-23 thomas if (*size < 0 ||
335 31d32634 2022-06-23 thomas *size + *hdrlen > GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
336 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
340 a8591711 2021-06-18 stsp *outbuf = malloc(*size + *hdrlen);
341 59d1e4a0 2021-03-10 stsp if (*outbuf == NULL) {
342 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("malloc");
345 a8591711 2021-06-18 stsp memcpy(*outbuf, imsg.data + sizeof(*iobj), *size + *hdrlen);
348 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
352 59d1e4a0 2021-03-10 stsp imsg_free(&imsg);
354 59d1e4a0 2021-03-10 stsp return err;
357 59d1e4a0 2021-03-10 stsp const struct got_error *
358 1785f84a 2018-12-23 stsp got_privsep_send_commit_req(struct imsgbuf *ibuf, int fd,
359 1785f84a 2018-12-23 stsp struct got_object_id *id, int pack_idx)
361 41496140 2019-02-21 stsp const struct got_error *err = NULL;
362 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
363 d5c81d44 2021-07-08 stsp void *data;
364 1785f84a 2018-12-23 stsp size_t len;
366 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
367 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* commit is packed */
368 1785f84a 2018-12-23 stsp iobj.idx = pack_idx;
369 b6f67730 2023-02-03 thomas memcpy(&iobj.id, id, sizeof(iobj.id));
370 d5c81d44 2021-07-08 stsp data = &iobj;
371 1785f84a 2018-12-23 stsp len = sizeof(iobj);
374 d5c81d44 2021-07-08 stsp len = sizeof(*id);
377 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_REQUEST, 0, 0, fd, data, len)
379 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT_REQUEST");
381 41496140 2019-02-21 stsp return err;
384 13c729f7 2018-12-24 stsp return flush_imsg(ibuf);
387 13c729f7 2018-12-24 stsp const struct got_error *
388 13c729f7 2018-12-24 stsp got_privsep_send_tree_req(struct imsgbuf *ibuf, int fd,
389 13c729f7 2018-12-24 stsp struct got_object_id *id, int pack_idx)
391 7f358e3b 2019-11-23 stsp struct ibuf *wbuf;
392 d5c81d44 2021-07-08 stsp size_t len;
394 d5c81d44 2021-07-08 stsp if (pack_idx != -1)
395 d5c81d44 2021-07-08 stsp len = sizeof(struct got_imsg_packed_object);
397 d5c81d44 2021-07-08 stsp len = sizeof(*id);
399 7f358e3b 2019-11-23 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_REQUEST, 0, 0, len);
400 7f358e3b 2019-11-23 stsp if (wbuf == NULL)
401 7f358e3b 2019-11-23 stsp return got_error_from_errno("imsg_create TREE_REQUEST");
403 fc842fc8 2023-02-03 thomas if (imsg_add(wbuf, id, sizeof(*id)) == -1)
404 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_REQUEST");
406 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tree is packed */
407 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &pack_idx, sizeof(pack_idx)) == -1)
408 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_REQUEST");
411 7f358e3b 2019-11-23 stsp wbuf->fd = fd;
412 7f358e3b 2019-11-23 stsp imsg_close(ibuf, wbuf);
414 268f7291 2018-12-24 stsp return flush_imsg(ibuf);
417 268f7291 2018-12-24 stsp const struct got_error *
418 268f7291 2018-12-24 stsp got_privsep_send_tag_req(struct imsgbuf *ibuf, int fd,
419 268f7291 2018-12-24 stsp struct got_object_id *id, int pack_idx)
421 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
422 d5c81d44 2021-07-08 stsp void *data;
423 268f7291 2018-12-24 stsp size_t len;
425 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
426 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tag is packed */
427 268f7291 2018-12-24 stsp iobj.idx = pack_idx;
428 b6f67730 2023-02-03 thomas memcpy(&iobj.id, id, sizeof(iobj.id));
429 d5c81d44 2021-07-08 stsp data = &iobj;
430 268f7291 2018-12-24 stsp len = sizeof(iobj);
433 d5c81d44 2021-07-08 stsp len = sizeof(*id);
436 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_REQUEST, 0, 0, fd, data, len)
438 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose TAG_REQUEST");
440 7762fe12 2018-11-05 stsp return flush_imsg(ibuf);
443 7762fe12 2018-11-05 stsp const struct got_error *
444 ebc55e2d 2018-12-24 stsp got_privsep_send_blob_req(struct imsgbuf *ibuf, int infd,
445 ebc55e2d 2018-12-24 stsp struct got_object_id *id, int pack_idx)
447 41496140 2019-02-21 stsp const struct got_error *err = NULL;
448 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
449 d5c81d44 2021-07-08 stsp void *data;
450 ebc55e2d 2018-12-24 stsp size_t len;
452 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
453 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* blob is packed */
454 ebc55e2d 2018-12-24 stsp iobj.idx = pack_idx;
455 b6f67730 2023-02-03 thomas memcpy(&iobj.id, id, sizeof(iobj.id));
456 d5c81d44 2021-07-08 stsp data = &iobj;
457 ebc55e2d 2018-12-24 stsp len = sizeof(iobj);
460 d5c81d44 2021-07-08 stsp len = sizeof(*id);
463 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_REQUEST, 0, 0, infd, data, len)
465 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_REQUEST");
466 41496140 2019-02-21 stsp close(infd);
467 41496140 2019-02-21 stsp return err;
470 55da3778 2018-09-10 stsp return flush_imsg(ibuf);
473 55da3778 2018-09-10 stsp const struct got_error *
474 55da3778 2018-09-10 stsp got_privsep_send_blob_outfd(struct imsgbuf *ibuf, int outfd)
476 41496140 2019-02-21 stsp const struct got_error *err = NULL;
478 ad242220 2018-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_OUTFD, 0, 0, outfd, NULL, 0)
480 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_OUTFD");
481 41496140 2019-02-21 stsp close(outfd);
482 41496140 2019-02-21 stsp return err;
485 3840f4c9 2018-09-12 stsp return flush_imsg(ibuf);
488 73ab1060 2020-03-18 stsp static const struct got_error *
489 73ab1060 2020-03-18 stsp send_fd(struct imsgbuf *ibuf, int imsg_code, int fd)
491 41496140 2019-02-21 stsp const struct got_error *err = NULL;
493 73ab1060 2020-03-18 stsp if (imsg_compose(ibuf, imsg_code, 0, 0, fd, NULL, 0) == -1) {
494 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TMPFD");
496 41496140 2019-02-21 stsp return err;
499 ad242220 2018-09-08 stsp return flush_imsg(ibuf);
502 ad242220 2018-09-08 stsp const struct got_error *
503 73ab1060 2020-03-18 stsp got_privsep_send_tmpfd(struct imsgbuf *ibuf, int fd)
505 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_TMPFD, fd);
508 73ab1060 2020-03-18 stsp const struct got_error *
509 876c234b 2018-09-10 stsp got_privsep_send_obj(struct imsgbuf *ibuf, struct got_object *obj)
511 2178c42e 2018-04-22 stsp struct got_imsg_object iobj;
513 1bb2bba2 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
515 fc842fc8 2023-02-03 thomas memcpy(&iobj.id, &obj->id, sizeof(iobj.id));
516 2178c42e 2018-04-22 stsp iobj.type = obj->type;
517 2178c42e 2018-04-22 stsp iobj.flags = obj->flags;
518 2178c42e 2018-04-22 stsp iobj.hdrlen = obj->hdrlen;
519 2178c42e 2018-04-22 stsp iobj.size = obj->size;
520 c59b3346 2018-09-11 stsp if (iobj.flags & GOT_OBJ_FLAG_PACKED) {
521 876c234b 2018-09-10 stsp iobj.pack_offset = obj->pack_offset;
522 c59b3346 2018-09-11 stsp iobj.pack_idx = obj->pack_idx;
525 2178c42e 2018-04-22 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT, 0, 0, -1, &iobj, sizeof(iobj))
527 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT");
529 c59b3346 2018-09-11 stsp return flush_imsg(ibuf);
532 cfd633c2 2018-09-10 stsp const struct got_error *
533 33501562 2020-03-18 stsp got_privsep_send_fetch_req(struct imsgbuf *ibuf, int fd,
534 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs, int fetch_all_branches,
535 abc59930 2021-09-05 naddy struct got_pathlist_head *wanted_branches,
536 9d0a7ee3 2023-02-07 thomas struct got_pathlist_head *wanted_refs, int list_refs_only,
537 7abf1863 2023-02-20 thomas const char *worktree_branch, const char *remote_head,
538 7abf1863 2023-02-20 thomas int no_head, int verbosity)
540 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
541 33501562 2020-03-18 stsp struct ibuf *wbuf;
542 33501562 2020-03-18 stsp struct got_pathlist_entry *pe;
543 4ba14133 2020-03-20 stsp struct got_imsg_fetch_request fetchreq;
544 7abf1863 2023-02-20 thomas size_t remote_head_len, worktree_branch_len, len = sizeof(fetchreq);
546 84073f62 2023-02-07 thomas if (worktree_branch) {
547 84073f62 2023-02-07 thomas worktree_branch_len = strlen(worktree_branch);
548 7abf1863 2023-02-20 thomas len += worktree_branch_len;
550 7abf1863 2023-02-20 thomas if (remote_head) {
551 7abf1863 2023-02-20 thomas remote_head_len = strlen(remote_head);
552 7abf1863 2023-02-20 thomas len += remote_head_len;
555 9d0a7ee3 2023-02-07 thomas if (len >= MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
556 9d0a7ee3 2023-02-07 thomas close(fd);
557 9d0a7ee3 2023-02-07 thomas return got_error(GOT_ERR_NO_SPACE);
560 9d0a7ee3 2023-02-07 thomas wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_REQUEST, 0, 0, len);
561 9d0a7ee3 2023-02-07 thomas if (wbuf == NULL)
562 9d0a7ee3 2023-02-07 thomas return got_error_from_errno("imsg_create FETCH_HAVE_REF");
564 4ba14133 2020-03-20 stsp memset(&fetchreq, 0, sizeof(fetchreq));
565 e0380e3d 2023-02-17 thomas fetchreq.no_head = no_head;
566 4ba14133 2020-03-20 stsp fetchreq.fetch_all_branches = fetch_all_branches;
567 41b0de12 2020-03-21 stsp fetchreq.list_refs_only = list_refs_only;
568 2690194b 2020-03-21 stsp fetchreq.verbosity = verbosity;
569 9d0a7ee3 2023-02-07 thomas if (worktree_branch != NULL)
570 84073f62 2023-02-07 thomas fetchreq.worktree_branch_len = worktree_branch_len;
571 7abf1863 2023-02-20 thomas if (remote_head != NULL)
572 7abf1863 2023-02-20 thomas fetchreq.remote_head_len = remote_head_len;
573 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, have_refs, entry)
574 4ba14133 2020-03-20 stsp fetchreq.n_have_refs++;
575 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry)
576 4ba14133 2020-03-20 stsp fetchreq.n_wanted_branches++;
577 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry)
578 0e4002ca 2020-03-21 stsp fetchreq.n_wanted_refs++;
579 9d0a7ee3 2023-02-07 thomas if (imsg_add(wbuf, &fetchreq, sizeof(fetchreq)) == -1)
580 9d0a7ee3 2023-02-07 thomas return got_error_from_errno("imsg_add FETCH_REQUEST");
581 9d0a7ee3 2023-02-07 thomas if (worktree_branch) {
582 84073f62 2023-02-07 thomas if (imsg_add(wbuf, worktree_branch, worktree_branch_len) == -1)
583 9d0a7ee3 2023-02-07 thomas return got_error_from_errno("imsg_add FETCH_REQUEST");
585 7abf1863 2023-02-20 thomas if (remote_head) {
586 7abf1863 2023-02-20 thomas if (imsg_add(wbuf, remote_head, remote_head_len) == -1)
587 7abf1863 2023-02-20 thomas return got_error_from_errno("imsg_add FETCH_REQUEST");
589 9d0a7ee3 2023-02-07 thomas wbuf->fd = fd;
590 9d0a7ee3 2023-02-07 thomas imsg_close(ibuf, wbuf);
592 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
595 659e7fbd 2020-03-20 stsp return err;
599 33501562 2020-03-18 stsp TAILQ_FOREACH(pe, have_refs, entry) {
600 33501562 2020-03-18 stsp const char *name = pe->path;
601 33501562 2020-03-18 stsp size_t name_len = pe->path_len;
602 33501562 2020-03-18 stsp struct got_object_id *id = pe->data;
604 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_have_ref) + name_len;
605 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_HAVE_REF, 0, 0, len);
606 4ba14133 2020-03-20 stsp if (wbuf == NULL)
607 4ba14133 2020-03-20 stsp return got_error_from_errno("imsg_create FETCH_HAVE_REF");
609 33501562 2020-03-18 stsp /* Keep in sync with struct got_imsg_fetch_have_ref! */
610 f9f54468 2023-02-03 thomas if (imsg_add(wbuf, id, sizeof(*id)) == -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_len, sizeof(name_len)) == -1)
613 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add FETCH_HAVE_REF");
614 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
615 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add FETCH_HAVE_REF");
617 4ba14133 2020-03-20 stsp wbuf->fd = -1;
618 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
619 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
621 4ba14133 2020-03-20 stsp return err;
624 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry) {
625 4ba14133 2020-03-20 stsp const char *name = pe->path;
626 4ba14133 2020-03-20 stsp size_t name_len = pe->path_len;
628 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_wanted_branch) + name_len;
629 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_BRANCH, 0, 0,
631 4ba14133 2020-03-20 stsp if (wbuf == NULL)
632 4ba14133 2020-03-20 stsp return got_error_from_errno(
633 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_BRANCH");
635 4ba14133 2020-03-20 stsp /* Keep in sync with struct got_imsg_fetch_wanted_branch! */
636 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
637 e9f1a409 2022-05-19 thomas return got_error_from_errno(
638 4ba14133 2020-03-20 stsp "imsg_add FETCH_WANTED_BRANCH");
639 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
640 e9f1a409 2022-05-19 thomas return got_error_from_errno(
641 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_BRANCH");
643 4ba14133 2020-03-20 stsp wbuf->fd = -1;
644 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
645 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
647 4ba14133 2020-03-20 stsp return err;
650 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry) {
651 0e4002ca 2020-03-21 stsp const char *name = pe->path;
652 0e4002ca 2020-03-21 stsp size_t name_len = pe->path_len;
654 0e4002ca 2020-03-21 stsp len = sizeof(struct got_imsg_fetch_wanted_ref) + name_len;
655 0e4002ca 2020-03-21 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_REF, 0, 0,
657 0e4002ca 2020-03-21 stsp if (wbuf == NULL)
658 0e4002ca 2020-03-21 stsp return got_error_from_errno(
659 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_REF");
661 0e4002ca 2020-03-21 stsp /* Keep in sync with struct got_imsg_fetch_wanted_ref! */
662 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
663 e9f1a409 2022-05-19 thomas return got_error_from_errno(
664 0e4002ca 2020-03-21 stsp "imsg_add FETCH_WANTED_REF");
665 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
666 e9f1a409 2022-05-19 thomas return got_error_from_errno(
667 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_REF");
669 0e4002ca 2020-03-21 stsp wbuf->fd = -1;
670 0e4002ca 2020-03-21 stsp imsg_close(ibuf, wbuf);
671 0e4002ca 2020-03-21 stsp err = flush_imsg(ibuf);
673 0e4002ca 2020-03-21 stsp return err;
677 4ba14133 2020-03-20 stsp return NULL;
681 93658fb9 2020-03-18 stsp const struct got_error *
682 f826addf 2020-03-18 stsp got_privsep_send_fetch_outfd(struct imsgbuf *ibuf, int fd)
684 f826addf 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_FETCH_OUTFD, fd);
687 531c3985 2020-03-18 stsp const struct got_error *
688 8f2d01a6 2020-03-18 stsp got_privsep_recv_fetch_progress(int *done, struct got_object_id **id,
689 531c3985 2020-03-18 stsp char **refname, struct got_pathlist_head *symrefs, char **server_progress,
690 1d72a2a0 2020-03-24 stsp off_t *packfile_size, uint8_t *pack_sha1, struct imsgbuf *ibuf)
692 b9f99abf 2020-03-18 stsp const struct got_error *err = NULL;
693 b9f99abf 2020-03-18 stsp struct imsg imsg;
694 b9f99abf 2020-03-18 stsp size_t datalen;
695 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symrefs *isymrefs = NULL;
696 abe0f35f 2020-03-18 stsp size_t n, remain;
701 8f2d01a6 2020-03-18 stsp *id = NULL;
702 b9f99abf 2020-03-18 stsp *refname = NULL;
703 531c3985 2020-03-18 stsp *server_progress = NULL;
704 5a489642 2020-03-19 stsp *packfile_size = 0;
705 1d72a2a0 2020-03-24 stsp memset(pack_sha1, 0, SHA1_DIGEST_LENGTH);
707 531c3985 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
709 b9f99abf 2020-03-18 stsp return err;
711 b9f99abf 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
712 b9f99abf 2020-03-18 stsp switch (imsg.hdr.type) {
713 abe0f35f 2020-03-18 stsp case GOT_IMSG_FETCH_SYMREFS:
714 abe0f35f 2020-03-18 stsp if (datalen < sizeof(*isymrefs)) {
715 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
718 abe0f35f 2020-03-18 stsp if (isymrefs != NULL) {
719 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
722 abe0f35f 2020-03-18 stsp isymrefs = (struct got_imsg_fetch_symrefs *)imsg.data;
723 abe0f35f 2020-03-18 stsp off = sizeof(*isymrefs);
724 abe0f35f 2020-03-18 stsp remain = datalen - off;
725 abe0f35f 2020-03-18 stsp for (n = 0; n < isymrefs->nsymrefs; n++) {
726 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symref *s;
727 abe0f35f 2020-03-18 stsp char *name, *target;
728 abe0f35f 2020-03-18 stsp if (remain < sizeof(struct got_imsg_fetch_symref)) {
729 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
732 abe0f35f 2020-03-18 stsp s = (struct got_imsg_fetch_symref *)(imsg.data + off);
733 abe0f35f 2020-03-18 stsp off += sizeof(*s);
734 abe0f35f 2020-03-18 stsp remain -= sizeof(*s);
735 abe0f35f 2020-03-18 stsp if (remain < s->name_len) {
736 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
739 abe0f35f 2020-03-18 stsp name = strndup(imsg.data + off, s->name_len);
740 abe0f35f 2020-03-18 stsp if (name == NULL) {
741 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
744 abe0f35f 2020-03-18 stsp off += s->name_len;
745 abe0f35f 2020-03-18 stsp remain -= s->name_len;
746 abe0f35f 2020-03-18 stsp if (remain < s->target_len) {
747 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
748 abe0f35f 2020-03-18 stsp free(name);
751 abe0f35f 2020-03-18 stsp target = strndup(imsg.data + off, s->target_len);
752 abe0f35f 2020-03-18 stsp if (target == NULL) {
753 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
754 abe0f35f 2020-03-18 stsp free(name);
757 abe0f35f 2020-03-18 stsp off += s->target_len;
758 abe0f35f 2020-03-18 stsp remain -= s->target_len;
759 abe0f35f 2020-03-18 stsp err = got_pathlist_append(symrefs, name, target);
761 abe0f35f 2020-03-18 stsp free(name);
762 abe0f35f 2020-03-18 stsp free(target);
767 ea7396b9 2020-03-18 stsp case GOT_IMSG_FETCH_REF:
768 9228a15c 2023-02-03 thomas if (datalen <= sizeof(**id)) {
769 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
772 8f2d01a6 2020-03-18 stsp *id = malloc(sizeof(**id));
773 8f2d01a6 2020-03-18 stsp if (*id == NULL) {
774 b9f99abf 2020-03-18 stsp err = got_error_from_errno("malloc");
777 9228a15c 2023-02-03 thomas memcpy(*id, imsg.data, sizeof(**id));
778 9228a15c 2023-02-03 thomas *refname = strndup(imsg.data + sizeof(**id),
779 9228a15c 2023-02-03 thomas datalen - sizeof(**id));
780 b9f99abf 2020-03-18 stsp if (*refname == NULL) {
781 b9f99abf 2020-03-18 stsp err = got_error_from_errno("strndup");
785 531c3985 2020-03-18 stsp case GOT_IMSG_FETCH_SERVER_PROGRESS:
786 531c3985 2020-03-18 stsp if (datalen == 0) {
787 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
790 531c3985 2020-03-18 stsp *server_progress = strndup(imsg.data, datalen);
791 531c3985 2020-03-18 stsp if (*server_progress == NULL) {
792 531c3985 2020-03-18 stsp err = got_error_from_errno("strndup");
795 531c3985 2020-03-18 stsp for (i = 0; i < datalen; i++) {
796 531c3985 2020-03-18 stsp if (!isprint((unsigned char)(*server_progress)[i]) &&
797 531c3985 2020-03-18 stsp !isspace((unsigned char)(*server_progress)[i])) {
798 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
799 531c3985 2020-03-18 stsp free(*server_progress);
800 531c3985 2020-03-18 stsp *server_progress = NULL;
805 d2cdc636 2020-03-18 stsp case GOT_IMSG_FETCH_DOWNLOAD_PROGRESS:
806 d2cdc636 2020-03-18 stsp if (datalen < sizeof(*packfile_size)) {
807 d2cdc636 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
810 d2cdc636 2020-03-18 stsp memcpy(packfile_size, imsg.data, sizeof(*packfile_size));
812 8f2d01a6 2020-03-18 stsp case GOT_IMSG_FETCH_DONE:
813 8f2d01a6 2020-03-18 stsp if (datalen != SHA1_DIGEST_LENGTH) {
814 8f2d01a6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
817 1d72a2a0 2020-03-24 stsp memcpy(pack_sha1, imsg.data, SHA1_DIGEST_LENGTH);
821 b887aab6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
827 8f2d01a6 2020-03-18 stsp *id = NULL;
828 b887aab6 2020-03-18 stsp free(*refname);
829 b887aab6 2020-03-18 stsp *refname = NULL;
831 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
832 f8a36e22 2021-08-26 stsp return err;
835 f8a36e22 2021-08-26 stsp static const struct got_error *
836 f8a36e22 2021-08-26 stsp send_send_ref(const char *name, size_t name_len, struct got_object_id *id,
837 f8a36e22 2021-08-26 stsp int delete, struct imsgbuf *ibuf)
839 f8a36e22 2021-08-26 stsp size_t len;
840 f8a36e22 2021-08-26 stsp struct ibuf *wbuf;
842 f8a36e22 2021-08-26 stsp len = sizeof(struct got_imsg_send_ref) + name_len;
843 f8a36e22 2021-08-26 stsp wbuf = imsg_create(ibuf, GOT_IMSG_SEND_REF, 0, 0, len);
844 f8a36e22 2021-08-26 stsp if (wbuf == NULL)
845 f8a36e22 2021-08-26 stsp return got_error_from_errno("imsg_create SEND_REF");
847 f8a36e22 2021-08-26 stsp /* Keep in sync with struct got_imsg_send_ref! */
848 ea58e974 2023-02-03 thomas if (imsg_add(wbuf, id, sizeof(*id)) == -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, &delete, sizeof(delete)) == -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_len, sizeof(name_len)) == -1)
853 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
854 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
855 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
857 f8a36e22 2021-08-26 stsp wbuf->fd = -1;
858 f8a36e22 2021-08-26 stsp imsg_close(ibuf, wbuf);
859 f8a36e22 2021-08-26 stsp return flush_imsg(ibuf);
862 f8a36e22 2021-08-26 stsp const struct got_error *
863 f8a36e22 2021-08-26 stsp got_privsep_send_send_req(struct imsgbuf *ibuf, int fd,
864 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs,
865 abc59930 2021-09-05 naddy struct got_pathlist_head *delete_refs,
866 abc59930 2021-09-05 naddy int verbosity)
868 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
869 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *pe;
870 f8a36e22 2021-08-26 stsp struct got_imsg_send_request sendreq;
871 f8a36e22 2021-08-26 stsp struct got_object_id zero_id;
873 f8a36e22 2021-08-26 stsp memset(&zero_id, 0, sizeof(zero_id));
874 f8a36e22 2021-08-26 stsp memset(&sendreq, 0, sizeof(sendreq));
875 f8a36e22 2021-08-26 stsp sendreq.verbosity = verbosity;
876 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry)
877 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
878 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry)
879 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
880 f8a36e22 2021-08-26 stsp if (imsg_compose(ibuf, GOT_IMSG_SEND_REQUEST, 0, 0, fd,
881 f8a36e22 2021-08-26 stsp &sendreq, sizeof(sendreq)) == -1) {
882 f8a36e22 2021-08-26 stsp err = got_error_from_errno(
883 f8a36e22 2021-08-26 stsp "imsg_compose FETCH_SERVER_PROGRESS");
887 f8a36e22 2021-08-26 stsp err = flush_imsg(ibuf);
892 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry) {
893 f8a36e22 2021-08-26 stsp const char *name = pe->path;
894 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
895 f8a36e22 2021-08-26 stsp struct got_object_id *id = pe->data;
896 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, id, 0, ibuf);
901 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry) {
902 f8a36e22 2021-08-26 stsp const char *name = pe->path;
903 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
904 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, &zero_id, 1, ibuf);
909 f8a36e22 2021-08-26 stsp if (fd != -1 && close(fd) == -1 && err == NULL)
910 f8a36e22 2021-08-26 stsp err = got_error_from_errno("close");
911 f8a36e22 2021-08-26 stsp return err;
915 f8a36e22 2021-08-26 stsp const struct got_error *
916 f8a36e22 2021-08-26 stsp got_privsep_recv_send_remote_refs(struct got_pathlist_head *remote_refs,
917 f8a36e22 2021-08-26 stsp struct imsgbuf *ibuf)
919 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
920 f8a36e22 2021-08-26 stsp struct imsg imsg;
921 f8a36e22 2021-08-26 stsp size_t datalen;
922 f8a36e22 2021-08-26 stsp int done = 0;
923 f8a36e22 2021-08-26 stsp struct got_imsg_send_remote_ref iremote_ref;
924 f8a36e22 2021-08-26 stsp struct got_object_id *id = NULL;
925 f8a36e22 2021-08-26 stsp char *refname = NULL;
926 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *new;
928 f8a36e22 2021-08-26 stsp while (!done) {
929 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
931 f8a36e22 2021-08-26 stsp return err;
932 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
933 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
934 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REMOTE_REF:
935 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iremote_ref)) {
936 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
939 f8a36e22 2021-08-26 stsp memcpy(&iremote_ref, imsg.data, sizeof(iremote_ref));
940 f8a36e22 2021-08-26 stsp if (datalen != sizeof(iremote_ref) +
941 f8a36e22 2021-08-26 stsp iremote_ref.name_len) {
942 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
945 f8a36e22 2021-08-26 stsp id = malloc(sizeof(*id));
946 f8a36e22 2021-08-26 stsp if (id == NULL) {
947 f8a36e22 2021-08-26 stsp err = got_error_from_errno("malloc");
950 0f23036a 2023-02-03 thomas memcpy(id, &iremote_ref.id, sizeof(*id));
951 f8a36e22 2021-08-26 stsp refname = strndup(imsg.data + sizeof(iremote_ref),
952 f8a36e22 2021-08-26 stsp datalen - sizeof(iremote_ref));
953 f8a36e22 2021-08-26 stsp if (refname == NULL) {
954 f8a36e22 2021-08-26 stsp err = got_error_from_errno("strndup");
957 f8a36e22 2021-08-26 stsp err = got_pathlist_insert(&new, remote_refs,
958 f8a36e22 2021-08-26 stsp refname, id);
961 f8a36e22 2021-08-26 stsp if (new == NULL) { /* duplicate which wasn't inserted */
963 f8a36e22 2021-08-26 stsp free(refname);
966 f8a36e22 2021-08-26 stsp refname = NULL;
968 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_PACK_REQUEST:
969 f8a36e22 2021-08-26 stsp if (datalen != 0) {
970 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
973 f8a36e22 2021-08-26 stsp /* got-send-pack is now waiting for a pack file. */
977 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
983 f8a36e22 2021-08-26 stsp free(refname);
984 b9f99abf 2020-03-18 stsp imsg_free(&imsg);
985 b9f99abf 2020-03-18 stsp return err;
988 93658fb9 2020-03-18 stsp const struct got_error *
989 f8a36e22 2021-08-26 stsp got_privsep_send_packfd(struct imsgbuf *ibuf, int fd)
991 f8a36e22 2021-08-26 stsp return send_fd(ibuf, GOT_IMSG_SEND_PACKFD, fd);
994 f8a36e22 2021-08-26 stsp const struct got_error *
995 f8a36e22 2021-08-26 stsp got_privsep_recv_send_progress(int *done, off_t *bytes_sent,
996 3fe5d0fe 2022-11-17 thomas int *success, char **refname, char **errmsg, struct imsgbuf *ibuf)
998 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
999 f8a36e22 2021-08-26 stsp struct imsg imsg;
1000 f8a36e22 2021-08-26 stsp size_t datalen;
1001 f8a36e22 2021-08-26 stsp struct got_imsg_send_ref_status iref_status;
1003 f8a36e22 2021-08-26 stsp /* Do not reset the current value of 'bytes_sent', it accumulates. */
1004 f8a36e22 2021-08-26 stsp *done = 0;
1005 f8a36e22 2021-08-26 stsp *success = 0;
1006 f8a36e22 2021-08-26 stsp *refname = NULL;
1007 3fe5d0fe 2022-11-17 thomas *errmsg = NULL;
1009 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1011 f8a36e22 2021-08-26 stsp return err;
1013 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1014 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
1015 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_UPLOAD_PROGRESS:
1016 f8a36e22 2021-08-26 stsp if (datalen < sizeof(*bytes_sent)) {
1017 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1020 f8a36e22 2021-08-26 stsp memcpy(bytes_sent, imsg.data, sizeof(*bytes_sent));
1022 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REF_STATUS:
1023 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iref_status)) {
1024 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1027 f8a36e22 2021-08-26 stsp memcpy(&iref_status, imsg.data, sizeof(iref_status));
1028 3fe5d0fe 2022-11-17 thomas if (datalen != sizeof(iref_status) + iref_status.name_len +
1029 3fe5d0fe 2022-11-17 thomas iref_status.errmsg_len) {
1030 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1033 f8a36e22 2021-08-26 stsp *success = iref_status.success;
1034 f8a36e22 2021-08-26 stsp *refname = strndup(imsg.data + sizeof(iref_status),
1035 f8a36e22 2021-08-26 stsp iref_status.name_len);
1037 3fe5d0fe 2022-11-17 thomas if (iref_status.errmsg_len != 0)
1038 3fe5d0fe 2022-11-17 thomas *errmsg = strndup(imsg.data + sizeof(iref_status) +
1039 3fe5d0fe 2022-11-17 thomas iref_status.name_len, iref_status.errmsg_len);
1041 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_DONE:
1042 f8a36e22 2021-08-26 stsp if (datalen != 0) {
1043 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1046 f8a36e22 2021-08-26 stsp *done = 1;
1049 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1053 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
1054 f8a36e22 2021-08-26 stsp return err;
1057 f8a36e22 2021-08-26 stsp const struct got_error *
1058 fd251256 2020-03-24 stsp got_privsep_send_index_pack_req(struct imsgbuf *ibuf, uint8_t *pack_sha1,
1061 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1063 668a20f6 2020-03-18 stsp /* Keep in sync with struct got_imsg_index_pack_request */
1064 93658fb9 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_IDXPACK_REQUEST, 0, 0, fd,
1065 fd251256 2020-03-24 stsp pack_sha1, SHA1_DIGEST_LENGTH) == -1) {
1066 93658fb9 2020-03-18 stsp err = got_error_from_errno("imsg_compose INDEX_REQUEST");
1067 93658fb9 2020-03-18 stsp close(fd);
1068 93658fb9 2020-03-18 stsp return err;
1070 baa9fea0 2020-03-18 stsp return flush_imsg(ibuf);
1073 baa9fea0 2020-03-18 stsp const struct got_error *
1074 73ab1060 2020-03-18 stsp got_privsep_send_index_pack_outfd(struct imsgbuf *ibuf, int fd)
1076 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_IDXPACK_OUTFD, fd);
1079 73ab1060 2020-03-18 stsp const struct got_error *
1080 668a20f6 2020-03-18 stsp got_privsep_recv_index_progress(int *done, int *nobj_total,
1081 668a20f6 2020-03-18 stsp int *nobj_indexed, int *nobj_loose, int *nobj_resolved,
1082 668a20f6 2020-03-18 stsp struct imsgbuf *ibuf)
1084 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1085 93658fb9 2020-03-18 stsp struct imsg imsg;
1086 baa9fea0 2020-03-18 stsp struct got_imsg_index_pack_progress *iprogress;
1087 baa9fea0 2020-03-18 stsp size_t datalen;
1089 baa9fea0 2020-03-18 stsp *done = 0;
1090 668a20f6 2020-03-18 stsp *nobj_total = 0;
1091 668a20f6 2020-03-18 stsp *nobj_indexed = 0;
1092 668a20f6 2020-03-18 stsp *nobj_resolved = 0;
1094 93658fb9 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1096 93658fb9 2020-03-18 stsp return err;
1098 baa9fea0 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1099 baa9fea0 2020-03-18 stsp switch (imsg.hdr.type) {
1100 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_PROGRESS:
1101 baa9fea0 2020-03-18 stsp if (datalen < sizeof(*iprogress)) {
1102 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1105 baa9fea0 2020-03-18 stsp iprogress = (struct got_imsg_index_pack_progress *)imsg.data;
1106 31d32634 2022-06-23 thomas if (iprogress->nobj_total < 0 || iprogress->nobj_indexed < 0 ||
1107 31d32634 2022-06-23 thomas iprogress->nobj_loose < 0 || iprogress->nobj_resolved < 0) {
1108 31d32634 2022-06-23 thomas err = got_error(GOT_ERR_RANGE);
1111 668a20f6 2020-03-18 stsp *nobj_total = iprogress->nobj_total;
1112 668a20f6 2020-03-18 stsp *nobj_indexed = iprogress->nobj_indexed;
1113 668a20f6 2020-03-18 stsp *nobj_loose = iprogress->nobj_loose;
1114 668a20f6 2020-03-18 stsp *nobj_resolved = iprogress->nobj_resolved;
1116 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_DONE:
1117 baa9fea0 2020-03-18 stsp if (datalen != 0) {
1118 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1121 baa9fea0 2020-03-18 stsp *done = 1;
1124 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1128 93658fb9 2020-03-18 stsp imsg_free(&imsg);
1129 baa9fea0 2020-03-18 stsp return err;
1132 93658fb9 2020-03-18 stsp const struct got_error *
1133 cfd633c2 2018-09-10 stsp got_privsep_get_imsg_obj(struct got_object **obj, struct imsg *imsg,
1134 cfd633c2 2018-09-10 stsp struct imsgbuf *ibuf)
1136 291624d8 2018-11-07 stsp struct got_imsg_object *iobj;
1137 cfd633c2 2018-09-10 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1139 291624d8 2018-11-07 stsp if (datalen != sizeof(*iobj))
1140 cfd633c2 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1141 291624d8 2018-11-07 stsp iobj = imsg->data;
1143 31d32634 2022-06-23 thomas if (iobj->pack_offset < 0)
1144 31d32634 2022-06-23 thomas return got_error(GOT_ERR_PACK_OFFSET);
1146 cfd633c2 2018-09-10 stsp *obj = calloc(1, sizeof(**obj));
1147 cfd633c2 2018-09-10 stsp if (*obj == NULL)
1148 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
1150 fc842fc8 2023-02-03 thomas memcpy(&(*obj)->id, &iobj->id, sizeof(iobj->id));
1151 291624d8 2018-11-07 stsp (*obj)->type = iobj->type;
1152 291624d8 2018-11-07 stsp (*obj)->flags = iobj->flags;
1153 291624d8 2018-11-07 stsp (*obj)->hdrlen = iobj->hdrlen;
1154 291624d8 2018-11-07 stsp (*obj)->size = iobj->size;
1155 c59b3346 2018-09-11 stsp /* path_packfile is handled by caller */
1156 291624d8 2018-11-07 stsp if (iobj->flags & GOT_OBJ_FLAG_PACKED) {
1157 291624d8 2018-11-07 stsp (*obj)->pack_offset = iobj->pack_offset;
1158 291624d8 2018-11-07 stsp (*obj)->pack_idx = iobj->pack_idx;
1160 772802ae 2022-01-27 thomas STAILQ_INIT(&(*obj)->deltas.entries);
1161 772802ae 2022-01-27 thomas return NULL;
1164 2178c42e 2018-04-22 stsp const struct got_error *
1165 2178c42e 2018-04-22 stsp got_privsep_recv_obj(struct got_object **obj, struct imsgbuf *ibuf)
1167 2178c42e 2018-04-22 stsp const struct got_error *err = NULL;
1168 2178c42e 2018-04-22 stsp struct imsg imsg;
1169 c4eae628 2018-04-23 stsp const size_t min_datalen =
1170 c4eae628 2018-04-23 stsp MIN(sizeof(struct got_imsg_error), sizeof(struct got_imsg_object));
1172 2178c42e 2018-04-22 stsp *obj = NULL;
1174 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1176 2178c42e 2018-04-22 stsp return err;
1178 2178c42e 2018-04-22 stsp switch (imsg.hdr.type) {
1179 2178c42e 2018-04-22 stsp case GOT_IMSG_OBJECT:
1180 cfd633c2 2018-09-10 stsp err = got_privsep_get_imsg_obj(obj, &imsg, ibuf);
1183 bff6ca00 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1187 bff6ca00 2018-04-23 stsp imsg_free(&imsg);
1189 bff6ca00 2018-04-23 stsp return err;
1192 c75f7264 2018-09-11 stsp static const struct got_error *
1193 c75f7264 2018-09-11 stsp send_commit_logmsg(struct imsgbuf *ibuf, struct got_commit_object *commit,
1194 c75f7264 2018-09-11 stsp size_t logmsg_len)
1196 fa4ffeb3 2018-11-04 stsp const struct got_error *err = NULL;
1197 c75f7264 2018-09-11 stsp size_t offset, remain;
1199 c75f7264 2018-09-11 stsp offset = 0;
1200 c75f7264 2018-09-11 stsp remain = logmsg_len;
1201 c75f7264 2018-09-11 stsp while (remain > 0) {
1202 c75f7264 2018-09-11 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1204 c75f7264 2018-09-11 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_LOGMSG, 0, 0, -1,
1205 fa4ffeb3 2018-11-04 stsp commit->logmsg + offset, n) == -1) {
1206 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose "
1207 230a42bd 2019-05-11 jcs "COMMIT_LOGMSG");
1211 fa4ffeb3 2018-11-04 stsp err = flush_imsg(ibuf);
1215 c75f7264 2018-09-11 stsp offset += n;
1216 c75f7264 2018-09-11 stsp remain -= n;
1219 fa4ffeb3 2018-11-04 stsp return err;
1222 bff6ca00 2018-04-23 stsp const struct got_error *
1223 068fd2bf 2018-04-24 stsp got_privsep_send_commit(struct imsgbuf *ibuf, struct got_commit_object *commit)
1225 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1226 b9c33926 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1227 bff6ca00 2018-04-23 stsp uint8_t *buf;
1228 bff6ca00 2018-04-23 stsp size_t len, total;
1229 79f35eb3 2018-06-11 stsp struct got_object_qid *qid;
1230 b9c33926 2018-11-07 stsp size_t author_len = strlen(commit->author);
1231 b9c33926 2018-11-07 stsp size_t committer_len = strlen(commit->committer);
1232 c75f7264 2018-09-11 stsp size_t logmsg_len = strlen(commit->logmsg);
1234 b9c33926 2018-11-07 stsp total = sizeof(*icommit) + author_len + committer_len +
1235 e4c85b49 2023-02-03 thomas commit->nparents * sizeof(struct got_object_id);
1237 bff6ca00 2018-04-23 stsp buf = malloc(total);
1238 bff6ca00 2018-04-23 stsp if (buf == NULL)
1239 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1241 b9c33926 2018-11-07 stsp icommit = (struct got_imsg_commit_object *)buf;
1242 e4c85b49 2023-02-03 thomas memcpy(&icommit->tree_id, commit->tree_id, sizeof(icommit->tree_id));
1243 b9c33926 2018-11-07 stsp icommit->author_len = author_len;
1244 b9c33926 2018-11-07 stsp icommit->author_time = commit->author_time;
1245 b9c33926 2018-11-07 stsp icommit->author_gmtoff = commit->author_gmtoff;
1246 b9c33926 2018-11-07 stsp icommit->committer_len = committer_len;
1247 b9c33926 2018-11-07 stsp icommit->committer_time = commit->committer_time;
1248 b9c33926 2018-11-07 stsp icommit->committer_gmtoff = commit->committer_gmtoff;
1249 b9c33926 2018-11-07 stsp icommit->logmsg_len = logmsg_len;
1250 b9c33926 2018-11-07 stsp icommit->nparents = commit->nparents;
1252 b9c33926 2018-11-07 stsp len = sizeof(*icommit);
1253 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->author, author_len);
1254 b9c33926 2018-11-07 stsp len += author_len;
1255 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->committer, committer_len);
1256 b9c33926 2018-11-07 stsp len += committer_len;
1257 dbdddfee 2021-06-23 naddy STAILQ_FOREACH(qid, &commit->parent_ids, entry) {
1258 e4c85b49 2023-02-03 thomas memcpy(buf + len, &qid->id, sizeof(qid->id));
1259 e4c85b49 2023-02-03 thomas len += sizeof(qid->id);
1262 bff6ca00 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT, 0, 0, -1, buf, len) == -1) {
1263 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT");
1264 bff6ca00 2018-04-23 stsp goto done;
1267 904df868 2018-11-04 stsp if (logmsg_len == 0 ||
1268 904df868 2018-11-04 stsp logmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1269 904df868 2018-11-04 stsp err = flush_imsg(ibuf);
1271 904df868 2018-11-04 stsp goto done;
1273 c75f7264 2018-09-11 stsp err = send_commit_logmsg(ibuf, commit, logmsg_len);
1275 bff6ca00 2018-04-23 stsp free(buf);
1276 bff6ca00 2018-04-23 stsp return err;
1279 ca6e02ac 2020-01-07 stsp static const struct got_error *
1280 ca6e02ac 2020-01-07 stsp get_commit_from_imsg(struct got_commit_object **commit,
1281 ca6e02ac 2020-01-07 stsp struct imsg *imsg, size_t datalen, struct imsgbuf *ibuf)
1283 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1284 291624d8 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1285 ca6e02ac 2020-01-07 stsp size_t len = 0;
1288 ca6e02ac 2020-01-07 stsp if (datalen < sizeof(*icommit))
1289 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1291 ca6e02ac 2020-01-07 stsp icommit = imsg->data;
1292 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommit) + icommit->author_len +
1293 ca6e02ac 2020-01-07 stsp icommit->committer_len +
1294 e4c85b49 2023-02-03 thomas icommit->nparents * sizeof(struct got_object_id))
1295 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1297 ca6e02ac 2020-01-07 stsp if (icommit->nparents < 0)
1298 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1300 ca6e02ac 2020-01-07 stsp len += sizeof(*icommit);
1302 ca6e02ac 2020-01-07 stsp *commit = got_object_commit_alloc_partial();
1303 ca6e02ac 2020-01-07 stsp if (*commit == NULL)
1304 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
1305 ca6e02ac 2020-01-07 stsp "got_object_commit_alloc_partial");
1307 e4c85b49 2023-02-03 thomas memcpy((*commit)->tree_id, &icommit->tree_id,
1308 e4c85b49 2023-02-03 thomas sizeof(icommit->tree_id));
1309 ca6e02ac 2020-01-07 stsp (*commit)->author_time = icommit->author_time;
1310 ca6e02ac 2020-01-07 stsp (*commit)->author_gmtoff = icommit->author_gmtoff;
1311 ca6e02ac 2020-01-07 stsp (*commit)->committer_time = icommit->committer_time;
1312 ca6e02ac 2020-01-07 stsp (*commit)->committer_gmtoff = icommit->committer_gmtoff;
1314 79b7acf3 2022-06-23 thomas (*commit)->author = strndup(imsg->data + len, icommit->author_len);
1315 79b7acf3 2022-06-23 thomas if ((*commit)->author == NULL) {
1316 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1317 79b7acf3 2022-06-23 thomas goto done;
1319 ca6e02ac 2020-01-07 stsp len += icommit->author_len;
1321 79b7acf3 2022-06-23 thomas (*commit)->committer = strndup(imsg->data + len,
1322 79b7acf3 2022-06-23 thomas icommit->committer_len);
1323 79b7acf3 2022-06-23 thomas if ((*commit)->committer == NULL) {
1324 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1325 79b7acf3 2022-06-23 thomas goto done;
1327 ca6e02ac 2020-01-07 stsp len += icommit->committer_len;
1329 ca6e02ac 2020-01-07 stsp if (icommit->logmsg_len == 0) {
1330 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = strdup("");
1331 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1332 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1333 ca6e02ac 2020-01-07 stsp goto done;
1336 ca6e02ac 2020-01-07 stsp size_t offset = 0, remain = icommit->logmsg_len;
1338 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = malloc(icommit->logmsg_len + 1);
1339 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1340 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1341 ca6e02ac 2020-01-07 stsp goto done;
1343 ca6e02ac 2020-01-07 stsp while (remain > 0) {
1344 ca6e02ac 2020-01-07 stsp struct imsg imsg_log;
1345 ca6e02ac 2020-01-07 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1348 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1350 ca6e02ac 2020-01-07 stsp goto done;
1352 ca6e02ac 2020-01-07 stsp if (imsg_log.hdr.type != GOT_IMSG_COMMIT_LOGMSG) {
1353 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1354 ca6e02ac 2020-01-07 stsp goto done;
1357 ca6e02ac 2020-01-07 stsp memcpy((*commit)->logmsg + offset,
1358 ca6e02ac 2020-01-07 stsp imsg_log.data, n);
1359 ca6e02ac 2020-01-07 stsp imsg_free(&imsg_log);
1360 ca6e02ac 2020-01-07 stsp offset += n;
1361 ca6e02ac 2020-01-07 stsp remain -= n;
1363 ca6e02ac 2020-01-07 stsp (*commit)->logmsg[icommit->logmsg_len] = '\0';
1366 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommit->nparents; i++) {
1367 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
1369 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
1372 ec242592 2022-04-22 thomas memcpy(&qid->id, imsg->data + len +
1373 e4c85b49 2023-02-03 thomas i * sizeof(qid->id), sizeof(qid->id));
1374 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(&(*commit)->parent_ids, qid, entry);
1375 ca6e02ac 2020-01-07 stsp (*commit)->nparents++;
1378 ca6e02ac 2020-01-07 stsp if (err) {
1379 ca6e02ac 2020-01-07 stsp got_object_commit_close(*commit);
1380 ca6e02ac 2020-01-07 stsp *commit = NULL;
1382 ca6e02ac 2020-01-07 stsp return err;
1385 ca6e02ac 2020-01-07 stsp const struct got_error *
1386 ca6e02ac 2020-01-07 stsp got_privsep_recv_commit(struct got_commit_object **commit, struct imsgbuf *ibuf)
1388 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
1389 ca6e02ac 2020-01-07 stsp struct imsg imsg;
1390 ca6e02ac 2020-01-07 stsp size_t datalen;
1391 ca6e02ac 2020-01-07 stsp const size_t min_datalen =
1392 ca6e02ac 2020-01-07 stsp MIN(sizeof(struct got_imsg_error),
1393 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_object));
1395 ca6e02ac 2020-01-07 stsp *commit = NULL;
1397 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1399 ca6e02ac 2020-01-07 stsp return err;
1401 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1403 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
1404 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
1405 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(commit, &imsg, datalen, ibuf);
1408 8c580685 2018-04-22 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1412 2178c42e 2018-04-22 stsp imsg_free(&imsg);
1414 e033d803 2018-04-23 stsp return err;
1417 06de99ad 2022-05-19 thomas static const struct got_error *
1418 63915ee5 2022-06-23 thomas send_tree_entries_batch(struct imsgbuf *ibuf,
1419 63915ee5 2022-06-23 thomas struct got_parsed_tree_entry *entries, int idx0, int idxN, size_t len)
1421 06de99ad 2022-05-19 thomas struct ibuf *wbuf;
1422 06de99ad 2022-05-19 thomas struct got_imsg_tree_entries ientries;
1425 c26ee7ad 2022-06-23 thomas memset(&ientries, 0, sizeof(ientries));
1427 06de99ad 2022-05-19 thomas wbuf = imsg_create(ibuf, GOT_IMSG_TREE_ENTRIES, 0, 0, len);
1428 06de99ad 2022-05-19 thomas if (wbuf == NULL)
1429 06de99ad 2022-05-19 thomas return got_error_from_errno("imsg_create TREE_ENTRY");
1431 06de99ad 2022-05-19 thomas ientries.nentries = idxN - idx0 + 1;
1432 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &ientries, sizeof(ientries)) == -1)
1433 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1435 06de99ad 2022-05-19 thomas for (i = idx0; i <= idxN; i++) {
1436 06de99ad 2022-05-19 thomas struct got_parsed_tree_entry *pte = &entries[i];
1438 2be33b09 2023-02-03 thomas /* Keep in sync with struct got_imsg_tree_entry definition! */
1439 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, pte->id, SHA1_DIGEST_LENGTH) == -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->mode, sizeof(pte->mode)) == -1)
1442 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1443 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &pte->namelen, sizeof(pte->namelen)) == -1)
1444 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1446 06de99ad 2022-05-19 thomas /* Remaining bytes are the entry's name. */
1447 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, pte->name, pte->namelen) == -1)
1448 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1451 06de99ad 2022-05-19 thomas wbuf->fd = -1;
1452 06de99ad 2022-05-19 thomas imsg_close(ibuf, wbuf);
1453 06de99ad 2022-05-19 thomas return NULL;
1456 63915ee5 2022-06-23 thomas static const struct got_error *
1457 63915ee5 2022-06-23 thomas send_tree_entries(struct imsgbuf *ibuf, struct got_parsed_tree_entry *entries,
1458 63915ee5 2022-06-23 thomas int nentries)
1460 06de99ad 2022-05-19 thomas const struct got_error *err = NULL;
1461 06de99ad 2022-05-19 thomas int i, j;
1462 63915ee5 2022-06-23 thomas size_t entries_len = sizeof(struct got_imsg_tree_entries);
1465 06de99ad 2022-05-19 thomas for (j = 0; j < nentries; j++) {
1466 06de99ad 2022-05-19 thomas struct got_parsed_tree_entry *pte = &entries[j];
1467 11a2b20c 2023-02-17 thomas size_t len = sizeof(struct got_imsg_tree_entry) + pte->namelen;
1469 06de99ad 2022-05-19 thomas if (j > 0 &&
1470 06de99ad 2022-05-19 thomas entries_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1471 63915ee5 2022-06-23 thomas err = send_tree_entries_batch(ibuf, entries,
1472 06de99ad 2022-05-19 thomas i, j - 1, entries_len);
1473 06de99ad 2022-05-19 thomas if (err)
1474 06de99ad 2022-05-19 thomas return err;
1476 06de99ad 2022-05-19 thomas entries_len = sizeof(struct got_imsg_tree_entries);
1479 06de99ad 2022-05-19 thomas entries_len += len;
1482 06de99ad 2022-05-19 thomas if (j > 0) {
1483 63915ee5 2022-06-23 thomas err = send_tree_entries_batch(ibuf, entries, i, j - 1,
1484 63915ee5 2022-06-23 thomas entries_len);
1485 06de99ad 2022-05-19 thomas if (err)
1486 06de99ad 2022-05-19 thomas return err;
1489 63915ee5 2022-06-23 thomas return NULL;
1492 63915ee5 2022-06-23 thomas const struct got_error *
1493 63915ee5 2022-06-23 thomas got_privsep_send_tree(struct imsgbuf *ibuf,
1494 63915ee5 2022-06-23 thomas struct got_parsed_tree_entry *entries, int nentries)
1496 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
1497 63915ee5 2022-06-23 thomas struct got_imsg_tree_object itree;
1499 c26ee7ad 2022-06-23 thomas memset(&itree, 0, sizeof(itree));
1500 63915ee5 2022-06-23 thomas itree.nentries = nentries;
1501 63915ee5 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_TREE, 0, 0, -1, &itree, sizeof(itree))
1503 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_compose TREE");
1505 63915ee5 2022-06-23 thomas err = send_tree_entries(ibuf, entries, nentries);
1506 63915ee5 2022-06-23 thomas if (err)
1507 63915ee5 2022-06-23 thomas return err;
1509 b00c9821 2018-11-04 stsp return flush_imsg(ibuf);
1513 63915ee5 2022-06-23 thomas static const struct got_error *
1514 63915ee5 2022-06-23 thomas recv_tree_entries(void *data, size_t datalen, struct got_tree_object *tree,
1515 63915ee5 2022-06-23 thomas int *nentries)
1517 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
1518 63915ee5 2022-06-23 thomas struct got_imsg_tree_entries *ientries;
1519 63915ee5 2022-06-23 thomas struct got_tree_entry *te;
1520 63915ee5 2022-06-23 thomas size_t te_offset;
1521 63915ee5 2022-06-23 thomas size_t i;
1523 63915ee5 2022-06-23 thomas if (datalen <= sizeof(*ientries) ||
1524 63915ee5 2022-06-23 thomas datalen > MAX_IMSGSIZE - IMSG_HEADER_SIZE)
1525 63915ee5 2022-06-23 thomas return got_error(GOT_ERR_PRIVSEP_LEN);
1527 63915ee5 2022-06-23 thomas ientries = (struct got_imsg_tree_entries *)data;
1528 63915ee5 2022-06-23 thomas if (ientries->nentries > INT_MAX) {
1529 63915ee5 2022-06-23 thomas return got_error_msg(GOT_ERR_NO_SPACE,
1530 63915ee5 2022-06-23 thomas "too many tree entries");
1533 63915ee5 2022-06-23 thomas te_offset = sizeof(*ientries);
1534 63915ee5 2022-06-23 thomas for (i = 0; i < ientries->nentries; i++) {
1535 63915ee5 2022-06-23 thomas struct got_imsg_tree_entry ite;
1536 63915ee5 2022-06-23 thomas const char *te_name;
1537 63915ee5 2022-06-23 thomas uint8_t *buf = (uint8_t *)data + te_offset;
1539 63915ee5 2022-06-23 thomas if (te_offset >= datalen) {
1540 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1544 63915ee5 2022-06-23 thomas /* Might not be aligned, size is ~32 bytes. */
1545 63915ee5 2022-06-23 thomas memcpy(&ite, buf, sizeof(ite));
1547 63915ee5 2022-06-23 thomas if (ite.namelen >= sizeof(te->name)) {
1548 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1551 63915ee5 2022-06-23 thomas if (te_offset + sizeof(ite) + ite.namelen > datalen) {
1552 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1556 63915ee5 2022-06-23 thomas if (*nentries >= tree->nentries) {
1557 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1560 63915ee5 2022-06-23 thomas te = &tree->entries[*nentries];
1561 63915ee5 2022-06-23 thomas te_name = buf + sizeof(ite);
1562 63915ee5 2022-06-23 thomas memcpy(te->name, te_name, ite.namelen);
1563 63915ee5 2022-06-23 thomas te->name[ite.namelen] = '\0';
1564 63915ee5 2022-06-23 thomas memcpy(te->id.sha1, ite.id, SHA1_DIGEST_LENGTH);
1565 63915ee5 2022-06-23 thomas te->mode = ite.mode;
1566 63915ee5 2022-06-23 thomas te->idx = *nentries;
1567 63915ee5 2022-06-23 thomas (*nentries)++;
1569 63915ee5 2022-06-23 thomas te_offset += sizeof(ite) + ite.namelen;
1572 63915ee5 2022-06-23 thomas return err;
1575 e033d803 2018-04-23 stsp const struct got_error *
1576 068fd2bf 2018-04-24 stsp got_privsep_recv_tree(struct got_tree_object **tree, struct imsgbuf *ibuf)
1578 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
1579 e033d803 2018-04-23 stsp const size_t min_datalen =
1580 e033d803 2018-04-23 stsp MIN(sizeof(struct got_imsg_error),
1581 e033d803 2018-04-23 stsp sizeof(struct got_imsg_tree_object));
1582 291624d8 2018-11-07 stsp struct got_imsg_tree_object *itree;
1583 e033d803 2018-04-23 stsp int nentries = 0;
1585 e033d803 2018-04-23 stsp *tree = NULL;
1587 9b5e2ebd 2022-07-07 thomas while (*tree == NULL || nentries < (*tree)->nentries) {
1588 e033d803 2018-04-23 stsp struct imsg imsg;
1589 e033d803 2018-04-23 stsp size_t datalen;
1591 9b5e2ebd 2022-07-07 thomas err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1592 9b5e2ebd 2022-07-07 thomas if (err)
1595 e033d803 2018-04-23 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1597 e033d803 2018-04-23 stsp switch (imsg.hdr.type) {
1598 e033d803 2018-04-23 stsp case GOT_IMSG_TREE:
1599 e033d803 2018-04-23 stsp /* This message should only appear once. */
1600 e033d803 2018-04-23 stsp if (*tree != NULL) {
1601 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1604 291624d8 2018-11-07 stsp if (datalen != sizeof(*itree)) {
1605 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1608 291624d8 2018-11-07 stsp itree = imsg.data;
1609 ace4d4e7 2022-05-19 thomas if (itree->nentries < 0) {
1610 ace4d4e7 2022-05-19 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1613 c3b78ecc 2018-11-07 stsp *tree = malloc(sizeof(**tree));
1614 e033d803 2018-04-23 stsp if (*tree == NULL) {
1615 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1618 56e0773d 2019-11-28 stsp (*tree)->entries = calloc(itree->nentries,
1619 56e0773d 2019-11-28 stsp sizeof(struct got_tree_entry));
1620 56e0773d 2019-11-28 stsp if ((*tree)->entries == NULL) {
1621 56e0773d 2019-11-28 stsp err = got_error_from_errno("malloc");
1622 c3bacae2 2022-05-19 thomas free(*tree);
1623 c3bacae2 2022-05-19 thomas *tree = NULL;
1626 56e0773d 2019-11-28 stsp (*tree)->nentries = itree->nentries;
1627 c3b78ecc 2018-11-07 stsp (*tree)->refcnt = 0;
1629 06de99ad 2022-05-19 thomas case GOT_IMSG_TREE_ENTRIES:
1630 e033d803 2018-04-23 stsp /* This message should be preceeded by GOT_IMSG_TREE. */
1631 e033d803 2018-04-23 stsp if (*tree == NULL) {
1632 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1635 63915ee5 2022-06-23 thomas err = recv_tree_entries(imsg.data, datalen,
1636 63915ee5 2022-06-23 thomas *tree, &nentries);
1639 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1643 e033d803 2018-04-23 stsp imsg_free(&imsg);
1648 56e0773d 2019-11-28 stsp if (*tree && (*tree)->nentries != nentries) {
1649 1e51f5b9 2018-04-23 stsp if (err == NULL)
1650 1e51f5b9 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1651 e033d803 2018-04-23 stsp got_object_tree_close(*tree);
1652 e033d803 2018-04-23 stsp *tree = NULL;
1655 ff6b18f8 2018-04-24 stsp return err;
1658 ff6b18f8 2018-04-24 stsp const struct got_error *
1659 ac544f8c 2019-01-13 stsp got_privsep_send_blob(struct imsgbuf *ibuf, size_t size, size_t hdrlen,
1660 ac544f8c 2019-01-13 stsp const uint8_t *data)
1662 2967a784 2018-04-24 stsp struct got_imsg_blob iblob;
1664 c26ee7ad 2022-06-23 thomas memset(&iblob, 0, sizeof(iblob));
1665 2967a784 2018-04-24 stsp iblob.size = size;
1666 ebc55e2d 2018-12-24 stsp iblob.hdrlen = hdrlen;
1668 ac544f8c 2019-01-13 stsp if (data) {
1669 ac544f8c 2019-01-13 stsp uint8_t *buf;
1671 ac544f8c 2019-01-13 stsp if (size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX)
1672 ac544f8c 2019-01-13 stsp return got_error(GOT_ERR_NO_SPACE);
1674 ac544f8c 2019-01-13 stsp buf = malloc(sizeof(iblob) + size);
1675 ac544f8c 2019-01-13 stsp if (buf == NULL)
1676 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1678 ac544f8c 2019-01-13 stsp memcpy(buf, &iblob, sizeof(iblob));
1679 ac544f8c 2019-01-13 stsp memcpy(buf + sizeof(iblob), data, size);
1680 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, buf,
1681 62d463ca 2020-10-20 naddy sizeof(iblob) + size) == -1) {
1682 ac544f8c 2019-01-13 stsp free(buf);
1683 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1685 ac544f8c 2019-01-13 stsp free(buf);
1687 ac544f8c 2019-01-13 stsp /* Data has already been written to file descriptor. */
1688 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, &iblob,
1689 ac544f8c 2019-01-13 stsp sizeof(iblob)) == -1)
1690 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1694 ff6b18f8 2018-04-24 stsp return flush_imsg(ibuf);
1697 ff6b18f8 2018-04-24 stsp const struct got_error *
1698 ac544f8c 2019-01-13 stsp got_privsep_recv_blob(uint8_t **outbuf, size_t *size, size_t *hdrlen,
1699 ac544f8c 2019-01-13 stsp struct imsgbuf *ibuf)
1701 ff6b18f8 2018-04-24 stsp const struct got_error *err = NULL;
1702 ff6b18f8 2018-04-24 stsp struct imsg imsg;
1703 291624d8 2018-11-07 stsp struct got_imsg_blob *iblob;
1704 ff6b18f8 2018-04-24 stsp size_t datalen;
1706 ac544f8c 2019-01-13 stsp *outbuf = NULL;
1708 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1710 ff6b18f8 2018-04-24 stsp return err;
1712 ff6b18f8 2018-04-24 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1714 ff6b18f8 2018-04-24 stsp switch (imsg.hdr.type) {
1715 ff6b18f8 2018-04-24 stsp case GOT_IMSG_BLOB:
1716 ac544f8c 2019-01-13 stsp if (datalen < sizeof(*iblob)) {
1717 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1720 291624d8 2018-11-07 stsp iblob = imsg.data;
1721 291624d8 2018-11-07 stsp *size = iblob->size;
1722 ebc55e2d 2018-12-24 stsp *hdrlen = iblob->hdrlen;
1724 ac544f8c 2019-01-13 stsp if (datalen == sizeof(*iblob)) {
1725 ac544f8c 2019-01-13 stsp /* Data has been written to file descriptor. */
1729 31d32634 2022-06-23 thomas if (*size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX ||
1730 31d32634 2022-06-23 thomas *size > datalen + sizeof(*iblob)) {
1731 ac544f8c 2019-01-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1735 ac544f8c 2019-01-13 stsp *outbuf = malloc(*size);
1736 ac544f8c 2019-01-13 stsp if (*outbuf == NULL) {
1737 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1740 ac544f8c 2019-01-13 stsp memcpy(*outbuf, imsg.data + sizeof(*iblob), *size);
1743 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1747 f4a881ce 2018-11-17 stsp imsg_free(&imsg);
1749 f4a881ce 2018-11-17 stsp return err;
1752 f4a881ce 2018-11-17 stsp static const struct got_error *
1753 f4a881ce 2018-11-17 stsp send_tagmsg(struct imsgbuf *ibuf, struct got_tag_object *tag, size_t tagmsg_len)
1755 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1756 f4a881ce 2018-11-17 stsp size_t offset, remain;
1758 f4a881ce 2018-11-17 stsp offset = 0;
1759 f4a881ce 2018-11-17 stsp remain = tagmsg_len;
1760 f4a881ce 2018-11-17 stsp while (remain > 0) {
1761 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1763 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_TAGMSG, 0, 0, -1,
1764 f4a881ce 2018-11-17 stsp tag->tagmsg + offset, n) == -1) {
1765 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG_TAGMSG");
1769 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1773 f4a881ce 2018-11-17 stsp offset += n;
1774 f4a881ce 2018-11-17 stsp remain -= n;
1777 f4a881ce 2018-11-17 stsp return err;
1780 f4a881ce 2018-11-17 stsp const struct got_error *
1781 f4a881ce 2018-11-17 stsp got_privsep_send_tag(struct imsgbuf *ibuf, struct got_tag_object *tag)
1783 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1784 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1785 f4a881ce 2018-11-17 stsp uint8_t *buf;
1786 f4a881ce 2018-11-17 stsp size_t len, total;
1787 f4a881ce 2018-11-17 stsp size_t tag_len = strlen(tag->tag);
1788 f4a881ce 2018-11-17 stsp size_t tagger_len = strlen(tag->tagger);
1789 f4a881ce 2018-11-17 stsp size_t tagmsg_len = strlen(tag->tagmsg);
1791 f4a881ce 2018-11-17 stsp total = sizeof(*itag) + tag_len + tagger_len + tagmsg_len;
1793 f4a881ce 2018-11-17 stsp buf = malloc(total);
1794 f4a881ce 2018-11-17 stsp if (buf == NULL)
1795 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1797 f4a881ce 2018-11-17 stsp itag = (struct got_imsg_tag_object *)buf;
1798 35cdfa2c 2023-02-20 thomas memcpy(&itag->id, &tag->id, sizeof(itag->id));
1799 f4a881ce 2018-11-17 stsp itag->obj_type = tag->obj_type;
1800 f4a881ce 2018-11-17 stsp itag->tag_len = tag_len;
1801 f4a881ce 2018-11-17 stsp itag->tagger_len = tagger_len;
1802 f4a881ce 2018-11-17 stsp itag->tagger_time = tag->tagger_time;
1803 f4a881ce 2018-11-17 stsp itag->tagger_gmtoff = tag->tagger_gmtoff;
1804 f4a881ce 2018-11-17 stsp itag->tagmsg_len = tagmsg_len;
1806 f4a881ce 2018-11-17 stsp len = sizeof(*itag);
1807 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tag, tag_len);
1808 f4a881ce 2018-11-17 stsp len += tag_len;
1809 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tagger, tagger_len);
1810 f4a881ce 2018-11-17 stsp len += tagger_len;
1812 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG, 0, 0, -1, buf, len) == -1) {
1813 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG");
1814 f4a881ce 2018-11-17 stsp goto done;
1817 f4a881ce 2018-11-17 stsp if (tagmsg_len == 0 ||
1818 f4a881ce 2018-11-17 stsp tagmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1819 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1821 f4a881ce 2018-11-17 stsp goto done;
1823 f4a881ce 2018-11-17 stsp err = send_tagmsg(ibuf, tag, tagmsg_len);
1825 f4a881ce 2018-11-17 stsp free(buf);
1826 f4a881ce 2018-11-17 stsp return err;
1829 f4a881ce 2018-11-17 stsp const struct got_error *
1830 f4a881ce 2018-11-17 stsp got_privsep_recv_tag(struct got_tag_object **tag, struct imsgbuf *ibuf)
1832 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1833 f4a881ce 2018-11-17 stsp struct imsg imsg;
1834 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1835 f4a881ce 2018-11-17 stsp size_t len, datalen;
1836 f4a881ce 2018-11-17 stsp const size_t min_datalen =
1837 f4a881ce 2018-11-17 stsp MIN(sizeof(struct got_imsg_error),
1838 f4a881ce 2018-11-17 stsp sizeof(struct got_imsg_tag_object));
1840 f4a881ce 2018-11-17 stsp *tag = NULL;
1842 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1844 f4a881ce 2018-11-17 stsp return err;
1846 f4a881ce 2018-11-17 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1849 f4a881ce 2018-11-17 stsp switch (imsg.hdr.type) {
1850 f4a881ce 2018-11-17 stsp case GOT_IMSG_TAG:
1851 f4a881ce 2018-11-17 stsp if (datalen < sizeof(*itag)) {
1852 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1855 f4a881ce 2018-11-17 stsp itag = imsg.data;
1856 f4a881ce 2018-11-17 stsp if (datalen != sizeof(*itag) + itag->tag_len +
1857 f4a881ce 2018-11-17 stsp itag->tagger_len) {
1858 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1861 f4a881ce 2018-11-17 stsp len += sizeof(*itag);
1863 f4a881ce 2018-11-17 stsp *tag = calloc(1, sizeof(**tag));
1864 f4a881ce 2018-11-17 stsp if (*tag == NULL) {
1865 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
1869 35cdfa2c 2023-02-20 thomas memcpy(&(*tag)->id, &itag->id, sizeof(itag->id));
1871 79b7acf3 2022-06-23 thomas (*tag)->tag = strndup(imsg.data + len, itag->tag_len);
1872 79b7acf3 2022-06-23 thomas if ((*tag)->tag == NULL) {
1873 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1876 f4a881ce 2018-11-17 stsp len += itag->tag_len;
1878 f4a881ce 2018-11-17 stsp (*tag)->obj_type = itag->obj_type;
1879 f4a881ce 2018-11-17 stsp (*tag)->tagger_time = itag->tagger_time;
1880 f4a881ce 2018-11-17 stsp (*tag)->tagger_gmtoff = itag->tagger_gmtoff;
1882 79b7acf3 2022-06-23 thomas (*tag)->tagger = strndup(imsg.data + len, itag->tagger_len);
1883 79b7acf3 2022-06-23 thomas if ((*tag)->tagger == NULL) {
1884 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1887 f4a881ce 2018-11-17 stsp len += itag->tagger_len;
1889 f4a881ce 2018-11-17 stsp if (itag->tagmsg_len == 0) {
1890 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = strdup("");
1891 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1892 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1896 f4a881ce 2018-11-17 stsp size_t offset = 0, remain = itag->tagmsg_len;
1898 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = malloc(itag->tagmsg_len + 1);
1899 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1900 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1903 f4a881ce 2018-11-17 stsp while (remain > 0) {
1904 f4a881ce 2018-11-17 stsp struct imsg imsg_log;
1905 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1908 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1910 f4a881ce 2018-11-17 stsp return err;
1912 f4a881ce 2018-11-17 stsp if (imsg_log.hdr.type != GOT_IMSG_TAG_TAGMSG)
1913 f4a881ce 2018-11-17 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
1915 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagmsg + offset, imsg_log.data,
1917 f4a881ce 2018-11-17 stsp imsg_free(&imsg_log);
1918 f4a881ce 2018-11-17 stsp offset += n;
1919 f4a881ce 2018-11-17 stsp remain -= n;
1921 f4a881ce 2018-11-17 stsp (*tag)->tagmsg[itag->tagmsg_len] = '\0';
1926 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1930 ff6b18f8 2018-04-24 stsp imsg_free(&imsg);
1932 2178c42e 2018-04-22 stsp return err;
1935 876c234b 2018-09-10 stsp const struct got_error *
1936 876c234b 2018-09-10 stsp got_privsep_init_pack_child(struct imsgbuf *ibuf, struct got_pack *pack,
1937 876c234b 2018-09-10 stsp struct got_packidx *packidx)
1939 41496140 2019-02-21 stsp const struct got_error *err = NULL;
1940 876c234b 2018-09-10 stsp struct got_imsg_packidx ipackidx;
1941 876c234b 2018-09-10 stsp struct got_imsg_pack ipack;
1944 c26ee7ad 2022-06-23 thomas memset(&ipackidx, 0, sizeof(ipackidx));
1945 c26ee7ad 2022-06-23 thomas memset(&ipack, 0, sizeof(ipack));
1947 876c234b 2018-09-10 stsp ipackidx.len = packidx->len;
1948 c3564dfa 2021-07-15 stsp ipackidx.packfile_size = pack->filesize;
1949 876c234b 2018-09-10 stsp fd = dup(packidx->fd);
1950 876c234b 2018-09-10 stsp if (fd == -1)
1951 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1953 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKIDX, 0, 0, fd, &ipackidx,
1954 41496140 2019-02-21 stsp sizeof(ipackidx)) == -1) {
1955 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACKIDX");
1956 41496140 2019-02-21 stsp close(fd);
1957 41496140 2019-02-21 stsp return err;
1960 876c234b 2018-09-10 stsp if (strlcpy(ipack.path_packfile, pack->path_packfile,
1961 876c234b 2018-09-10 stsp sizeof(ipack.path_packfile)) >= sizeof(ipack.path_packfile))
1962 876c234b 2018-09-10 stsp return got_error(GOT_ERR_NO_SPACE);
1963 876c234b 2018-09-10 stsp ipack.filesize = pack->filesize;
1965 876c234b 2018-09-10 stsp fd = dup(pack->fd);
1966 876c234b 2018-09-10 stsp if (fd == -1)
1967 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1969 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACK, 0, 0, fd, &ipack, sizeof(ipack))
1971 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACK");
1972 41496140 2019-02-21 stsp close(fd);
1973 41496140 2019-02-21 stsp return err;
1976 876c234b 2018-09-10 stsp return flush_imsg(ibuf);
1979 876c234b 2018-09-10 stsp const struct got_error *
1980 106807b4 2018-09-15 stsp got_privsep_send_packed_obj_req(struct imsgbuf *ibuf, int idx,
1981 106807b4 2018-09-15 stsp struct got_object_id *id)
1983 876c234b 2018-09-10 stsp struct got_imsg_packed_object iobj;
1985 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
1986 876c234b 2018-09-10 stsp iobj.idx = idx;
1987 b6f67730 2023-02-03 thomas memcpy(&iobj.id, id, sizeof(iobj.id));
1989 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_OBJECT_REQUEST, 0, 0, -1,
1990 876c234b 2018-09-10 stsp &iobj, sizeof(iobj)) == -1)
1991 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose "
1992 230a42bd 2019-05-11 jcs "PACKED_OBJECT_REQUEST");
1994 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1997 aba9c984 2019-09-08 stsp const struct got_error *
1998 59d1e4a0 2021-03-10 stsp got_privsep_send_packed_raw_obj_req(struct imsgbuf *ibuf, int idx,
1999 59d1e4a0 2021-03-10 stsp struct got_object_id *id)
2001 59d1e4a0 2021-03-10 stsp struct got_imsg_packed_object iobj;
2003 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
2004 59d1e4a0 2021-03-10 stsp iobj.idx = idx;
2005 b6f67730 2023-02-03 thomas memcpy(&iobj.id, id, sizeof(iobj.id));
2007 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_RAW_OBJECT_REQUEST, 0, 0, -1,
2008 59d1e4a0 2021-03-10 stsp &iobj, sizeof(iobj)) == -1)
2009 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose "
2010 59d1e4a0 2021-03-10 stsp "PACKED_OBJECT_REQUEST");
2012 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
2015 59d1e4a0 2021-03-10 stsp const struct got_error *
2016 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_parse_req(struct imsgbuf *ibuf, int fd)
2018 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2020 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_PARSE_REQUEST, 0, 0, fd,
2021 aba9c984 2019-09-08 stsp NULL, 0) == -1) {
2022 aba9c984 2019-09-08 stsp err = got_error_from_errno("imsg_compose "
2023 aba9c984 2019-09-08 stsp "GITCONFIG_PARSE_REQUEST");
2024 aba9c984 2019-09-08 stsp close(fd);
2025 aba9c984 2019-09-08 stsp return err;
2028 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2031 aba9c984 2019-09-08 stsp const struct got_error *
2032 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_repository_format_version_req(struct imsgbuf *ibuf)
2034 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2035 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST, 0, 0, -1,
2036 aba9c984 2019-09-08 stsp NULL, 0) == -1)
2037 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2038 aba9c984 2019-09-08 stsp "GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST");
2040 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2043 aba9c984 2019-09-08 stsp const struct got_error *
2044 20b7abb3 2020-10-22 stsp got_privsep_send_gitconfig_repository_extensions_req(struct imsgbuf *ibuf)
2046 20b7abb3 2020-10-22 stsp if (imsg_compose(ibuf,
2047 20b7abb3 2020-10-22 stsp GOT_IMSG_GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST, 0, 0, -1,
2048 20b7abb3 2020-10-22 stsp NULL, 0) == -1)
2049 20b7abb3 2020-10-22 stsp return got_error_from_errno("imsg_compose "
2050 20b7abb3 2020-10-22 stsp "GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST");
2052 20b7abb3 2020-10-22 stsp return flush_imsg(ibuf);
2056 20b7abb3 2020-10-22 stsp const struct got_error *
2057 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_name_req(struct imsgbuf *ibuf)
2059 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2060 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_NAME_REQUEST, 0, 0, -1, NULL, 0) == -1)
2061 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2062 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_NAME_REQUEST");
2064 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2067 aba9c984 2019-09-08 stsp const struct got_error *
2068 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_email_req(struct imsgbuf *ibuf)
2070 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2071 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_EMAIL_REQUEST, 0, 0, -1, NULL, 0) == -1)
2072 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2073 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_EMAIL_REQUEST");
2075 cd95becd 2019-11-29 stsp return flush_imsg(ibuf);
2078 cd95becd 2019-11-29 stsp const struct got_error *
2079 cd95becd 2019-11-29 stsp got_privsep_send_gitconfig_remotes_req(struct imsgbuf *ibuf)
2081 cd95becd 2019-11-29 stsp if (imsg_compose(ibuf,
2082 cd95becd 2019-11-29 stsp GOT_IMSG_GITCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2083 cd95becd 2019-11-29 stsp return got_error_from_errno("imsg_compose "
2084 cd95becd 2019-11-29 stsp "GITCONFIG_REMOTE_REQUEST");
2086 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2089 aba9c984 2019-09-08 stsp const struct got_error *
2090 9a1cc63f 2020-02-03 stsp got_privsep_send_gitconfig_owner_req(struct imsgbuf *ibuf)
2092 9a1cc63f 2020-02-03 stsp if (imsg_compose(ibuf,
2093 9a1cc63f 2020-02-03 stsp GOT_IMSG_GITCONFIG_OWNER_REQUEST, 0, 0, -1, NULL, 0) == -1)
2094 9a1cc63f 2020-02-03 stsp return got_error_from_errno("imsg_compose "
2095 9a1cc63f 2020-02-03 stsp "GITCONFIG_OWNER_REQUEST");
2097 9a1cc63f 2020-02-03 stsp return flush_imsg(ibuf);
2100 9a1cc63f 2020-02-03 stsp const struct got_error *
2101 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_str(char **str, struct imsgbuf *ibuf)
2103 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2104 aba9c984 2019-09-08 stsp struct imsg imsg;
2105 aba9c984 2019-09-08 stsp size_t datalen;
2107 aba9c984 2019-09-08 stsp *str = NULL;
2109 12a8238e 2022-06-23 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2111 aba9c984 2019-09-08 stsp return err;
2112 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2114 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2115 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_STR_VAL:
2116 aba9c984 2019-09-08 stsp if (datalen == 0)
2118 fcbb06bf 2023-01-14 thomas *str = strndup(imsg.data, datalen);
2119 aba9c984 2019-09-08 stsp if (*str == NULL) {
2120 fcbb06bf 2023-01-14 thomas err = got_error_from_errno("strndup");
2125 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2129 b091c2cd 2023-02-07 thomas imsg_free(&imsg);
2130 b091c2cd 2023-02-07 thomas return err;
2133 b091c2cd 2023-02-07 thomas const struct got_error *
2134 b091c2cd 2023-02-07 thomas got_privsep_recv_gitconfig_pair(char **key, char **val, struct imsgbuf *ibuf)
2136 b091c2cd 2023-02-07 thomas const struct got_error *err = NULL;
2137 b091c2cd 2023-02-07 thomas struct got_imsg_gitconfig_pair p;
2138 b091c2cd 2023-02-07 thomas struct imsg imsg;
2139 b091c2cd 2023-02-07 thomas size_t datalen;
2140 b091c2cd 2023-02-07 thomas uint8_t *data;
2142 b091c2cd 2023-02-07 thomas *key = *val = NULL;
2144 b091c2cd 2023-02-07 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2145 b091c2cd 2023-02-07 thomas if (err)
2146 b091c2cd 2023-02-07 thomas return err;
2148 b091c2cd 2023-02-07 thomas data = imsg.data;
2149 b091c2cd 2023-02-07 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2151 b091c2cd 2023-02-07 thomas if (imsg.hdr.type != GOT_IMSG_GITCONFIG_PAIR) {
2152 b091c2cd 2023-02-07 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2153 b091c2cd 2023-02-07 thomas goto done;
2156 b091c2cd 2023-02-07 thomas if (datalen < sizeof(p)) {
2157 b091c2cd 2023-02-07 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2158 b091c2cd 2023-02-07 thomas goto done;
2161 b091c2cd 2023-02-07 thomas memcpy(&p, data, sizeof(p));
2162 b091c2cd 2023-02-07 thomas data += sizeof(p);
2164 b091c2cd 2023-02-07 thomas if (datalen != sizeof(p) + p.klen + p.vlen) {
2165 b091c2cd 2023-02-07 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2166 b091c2cd 2023-02-07 thomas goto done;
2169 b091c2cd 2023-02-07 thomas *key = strndup(data, p.klen);
2170 b091c2cd 2023-02-07 thomas if (*key == NULL) {
2171 b091c2cd 2023-02-07 thomas err = got_error_from_errno("strndup");
2172 b091c2cd 2023-02-07 thomas goto done;
2174 b091c2cd 2023-02-07 thomas data += p.klen;
2176 b091c2cd 2023-02-07 thomas *val = strndup(data, p.vlen);
2177 b091c2cd 2023-02-07 thomas if (*val == NULL) {
2178 b091c2cd 2023-02-07 thomas err = got_error_from_errno("strndup");
2179 b091c2cd 2023-02-07 thomas goto done;
2183 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2184 aba9c984 2019-09-08 stsp return err;
2187 aba9c984 2019-09-08 stsp const struct got_error *
2188 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_int(int *val, struct imsgbuf *ibuf)
2190 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2191 aba9c984 2019-09-08 stsp struct imsg imsg;
2192 aba9c984 2019-09-08 stsp size_t datalen;
2193 aba9c984 2019-09-08 stsp const size_t min_datalen =
2194 aba9c984 2019-09-08 stsp MIN(sizeof(struct got_imsg_error), sizeof(int));
2198 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2200 aba9c984 2019-09-08 stsp return err;
2201 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2203 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2204 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_INT_VAL:
2205 aba9c984 2019-09-08 stsp if (datalen != sizeof(*val)) {
2206 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2209 aba9c984 2019-09-08 stsp memcpy(val, imsg.data, sizeof(*val));
2212 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2216 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2217 cd95becd 2019-11-29 stsp return err;
2220 b8adfa55 2020-09-25 stsp static void
2221 b8adfa55 2020-09-25 stsp free_remote_data(struct got_remote_repo *remote)
2225 b8adfa55 2020-09-25 stsp free(remote->name);
2226 6480c871 2021-08-30 stsp free(remote->fetch_url);
2227 6480c871 2021-08-30 stsp free(remote->send_url);
2228 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_branches; i++)
2229 6480c871 2021-08-30 stsp free(remote->fetch_branches[i]);
2230 6480c871 2021-08-30 stsp free(remote->fetch_branches);
2231 6480c871 2021-08-30 stsp for (i = 0; i < remote->nsend_branches; i++)
2232 6480c871 2021-08-30 stsp free(remote->send_branches[i]);
2233 6480c871 2021-08-30 stsp free(remote->send_branches);
2234 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_refs; i++)
2235 6480c871 2021-08-30 stsp free(remote->fetch_refs[i]);
2236 6480c871 2021-08-30 stsp free(remote->fetch_refs);
2239 cd95becd 2019-11-29 stsp const struct got_error *
2240 cd95becd 2019-11-29 stsp got_privsep_recv_gitconfig_remotes(struct got_remote_repo **remotes,
2241 cd95becd 2019-11-29 stsp int *nremotes, struct imsgbuf *ibuf)
2243 cd95becd 2019-11-29 stsp const struct got_error *err = NULL;
2244 cd95becd 2019-11-29 stsp struct imsg imsg;
2245 cd95becd 2019-11-29 stsp size_t datalen;
2246 cd95becd 2019-11-29 stsp struct got_imsg_remotes iremotes;
2247 cd95becd 2019-11-29 stsp struct got_imsg_remote iremote;
2249 cd95becd 2019-11-29 stsp *remotes = NULL;
2250 cd95becd 2019-11-29 stsp *nremotes = 0;
2251 d669b9c9 2020-02-22 stsp iremotes.nremotes = 0;
2253 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremotes));
2255 cd95becd 2019-11-29 stsp return err;
2256 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2258 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2259 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTES:
2260 cd95becd 2019-11-29 stsp if (datalen != sizeof(iremotes)) {
2261 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2264 cd95becd 2019-11-29 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2265 cd95becd 2019-11-29 stsp if (iremotes.nremotes == 0) {
2266 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2267 cd95becd 2019-11-29 stsp return NULL;
2271 54b1c5b5 2020-02-22 stsp imsg_free(&imsg);
2272 54b1c5b5 2020-02-22 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2275 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2277 5146eb39 2020-03-20 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2278 cd95becd 2019-11-29 stsp if (*remotes == NULL)
2279 cd95becd 2019-11-29 stsp return got_error_from_errno("recallocarray");
2281 cd95becd 2019-11-29 stsp while (*nremotes < iremotes.nremotes) {
2282 cd95becd 2019-11-29 stsp struct got_remote_repo *remote;
2284 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremote));
2287 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2289 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2290 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTE:
2291 cd95becd 2019-11-29 stsp remote = &(*remotes)[*nremotes];
2292 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2293 cd95becd 2019-11-29 stsp if (datalen < sizeof(iremote)) {
2294 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2297 cd95becd 2019-11-29 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2298 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2299 6480c871 2021-08-30 stsp iremote.fetch_url_len == 0 ||
2300 6480c871 2021-08-30 stsp iremote.send_url_len == 0 ||
2301 cd95becd 2019-11-29 stsp (sizeof(iremote) + iremote.name_len +
2302 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) > datalen) {
2303 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2306 cd95becd 2019-11-29 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2307 cd95becd 2019-11-29 stsp iremote.name_len);
2308 cd95becd 2019-11-29 stsp if (remote->name == NULL) {
2309 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2312 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data + sizeof(iremote) +
2313 6480c871 2021-08-30 stsp iremote.name_len, iremote.fetch_url_len);
2314 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2315 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2316 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2319 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data + sizeof(iremote) +
2320 6480c871 2021-08-30 stsp iremote.name_len + iremote.fetch_url_len,
2321 6480c871 2021-08-30 stsp iremote.send_url_len);
2322 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2323 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2324 6480c871 2021-08-30 stsp free_remote_data(remote);
2327 469dd726 2020-03-20 stsp remote->mirror_references = iremote.mirror_references;
2328 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2329 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2330 6480c871 2021-08-30 stsp remote->fetch_branches = NULL;
2331 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2332 6480c871 2021-08-30 stsp remote->send_branches = NULL;
2333 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2334 6480c871 2021-08-30 stsp remote->fetch_refs = NULL;
2335 cd95becd 2019-11-29 stsp (*nremotes)++;
2338 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2342 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2347 cd95becd 2019-11-29 stsp if (err) {
2349 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2350 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2351 cd95becd 2019-11-29 stsp free(*remotes);
2352 cd95becd 2019-11-29 stsp *remotes = NULL;
2353 cd95becd 2019-11-29 stsp *nremotes = 0;
2355 aba9c984 2019-09-08 stsp return err;
2358 257add31 2020-09-09 stsp const struct got_error *
2359 257add31 2020-09-09 stsp got_privsep_send_gotconfig_parse_req(struct imsgbuf *ibuf, int fd)
2361 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2363 257add31 2020-09-09 stsp if (imsg_compose(ibuf, GOT_IMSG_GOTCONFIG_PARSE_REQUEST, 0, 0, fd,
2364 257add31 2020-09-09 stsp NULL, 0) == -1) {
2365 257add31 2020-09-09 stsp err = got_error_from_errno("imsg_compose "
2366 257add31 2020-09-09 stsp "GOTCONFIG_PARSE_REQUEST");
2367 257add31 2020-09-09 stsp close(fd);
2368 257add31 2020-09-09 stsp return err;
2371 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2374 257add31 2020-09-09 stsp const struct got_error *
2375 257add31 2020-09-09 stsp got_privsep_send_gotconfig_author_req(struct imsgbuf *ibuf)
2377 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2378 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_AUTHOR_REQUEST, 0, 0, -1, NULL, 0) == -1)
2379 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2380 257add31 2020-09-09 stsp "GOTCONFIG_AUTHOR_REQUEST");
2382 871bd038 2022-07-03 thomas return flush_imsg(ibuf);
2385 871bd038 2022-07-03 thomas const struct got_error *
2386 871bd038 2022-07-03 thomas got_privsep_send_gotconfig_allowed_signers_req(struct imsgbuf *ibuf)
2388 871bd038 2022-07-03 thomas if (imsg_compose(ibuf,
2389 871bd038 2022-07-03 thomas GOT_IMSG_GOTCONFIG_ALLOWEDSIGNERS_REQUEST, 0, 0, -1, NULL, 0) == -1)
2390 871bd038 2022-07-03 thomas return got_error_from_errno("imsg_compose "
2391 871bd038 2022-07-03 thomas "GOTCONFIG_ALLOWEDSIGNERS_REQUEST");
2393 871bd038 2022-07-03 thomas return flush_imsg(ibuf);
2396 871bd038 2022-07-03 thomas const struct got_error *
2397 871bd038 2022-07-03 thomas got_privsep_send_gotconfig_revoked_signers_req(struct imsgbuf *ibuf)
2399 871bd038 2022-07-03 thomas if (imsg_compose(ibuf,
2400 871bd038 2022-07-03 thomas GOT_IMSG_GOTCONFIG_REVOKEDSIGNERS_REQUEST, 0, 0, -1, NULL, 0) == -1)
2401 871bd038 2022-07-03 thomas return got_error_from_errno("imsg_compose "
2402 871bd038 2022-07-03 thomas "GOTCONFIG_REVOKEDSIGNERS_REQUEST");
2404 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2407 ca6e02ac 2020-01-07 stsp const struct got_error *
2408 ff5e1f09 2022-07-06 thomas got_privsep_send_gotconfig_signer_id_req(struct imsgbuf *ibuf)
2410 ff5e1f09 2022-07-06 thomas if (imsg_compose(ibuf,
2411 ff5e1f09 2022-07-06 thomas GOT_IMSG_GOTCONFIG_SIGNERID_REQUEST, 0, 0, -1, NULL, 0) == -1)
2412 ff5e1f09 2022-07-06 thomas return got_error_from_errno("imsg_compose "
2413 ff5e1f09 2022-07-06 thomas "GOTCONFIG_SIGNERID_REQUEST");
2415 ff5e1f09 2022-07-06 thomas return flush_imsg(ibuf);
2418 ff5e1f09 2022-07-06 thomas const struct got_error *
2419 257add31 2020-09-09 stsp got_privsep_send_gotconfig_remotes_req(struct imsgbuf *ibuf)
2421 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2422 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2423 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2424 257add31 2020-09-09 stsp "GOTCONFIG_REMOTE_REQUEST");
2426 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2429 257add31 2020-09-09 stsp const struct got_error *
2430 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_str(char **str, struct imsgbuf *ibuf)
2432 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2433 257add31 2020-09-09 stsp struct imsg imsg;
2434 257add31 2020-09-09 stsp size_t datalen;
2436 257add31 2020-09-09 stsp *str = NULL;
2438 12a8238e 2022-06-23 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2440 257add31 2020-09-09 stsp return err;
2441 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2443 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2444 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_STR_VAL:
2445 257add31 2020-09-09 stsp if (datalen == 0)
2447 fcbb06bf 2023-01-14 thomas *str = strndup(imsg.data, datalen);
2448 257add31 2020-09-09 stsp if (*str == NULL) {
2449 fcbb06bf 2023-01-14 thomas err = got_error_from_errno("strndup");
2454 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2458 257add31 2020-09-09 stsp imsg_free(&imsg);
2459 257add31 2020-09-09 stsp return err;
2462 257add31 2020-09-09 stsp const struct got_error *
2463 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_remotes(struct got_remote_repo **remotes,
2464 257add31 2020-09-09 stsp int *nremotes, struct imsgbuf *ibuf)
2466 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2467 257add31 2020-09-09 stsp struct imsg imsg;
2468 257add31 2020-09-09 stsp size_t datalen;
2469 257add31 2020-09-09 stsp struct got_imsg_remotes iremotes;
2470 257add31 2020-09-09 stsp struct got_imsg_remote iremote;
2471 257add31 2020-09-09 stsp const size_t min_datalen =
2472 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremotes));
2474 257add31 2020-09-09 stsp *remotes = NULL;
2475 257add31 2020-09-09 stsp *nremotes = 0;
2476 257add31 2020-09-09 stsp iremotes.nremotes = 0;
2478 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2480 257add31 2020-09-09 stsp return err;
2481 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2483 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2484 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTES:
2485 257add31 2020-09-09 stsp if (datalen != sizeof(iremotes)) {
2486 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2489 257add31 2020-09-09 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2490 31d32634 2022-06-23 thomas if (iremotes.nremotes < 0) {
2491 31d32634 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2494 257add31 2020-09-09 stsp if (iremotes.nremotes == 0) {
2495 257add31 2020-09-09 stsp imsg_free(&imsg);
2496 257add31 2020-09-09 stsp return NULL;
2500 257add31 2020-09-09 stsp imsg_free(&imsg);
2501 257add31 2020-09-09 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2504 257add31 2020-09-09 stsp imsg_free(&imsg);
2506 257add31 2020-09-09 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2507 257add31 2020-09-09 stsp if (*remotes == NULL)
2508 257add31 2020-09-09 stsp return got_error_from_errno("recallocarray");
2510 257add31 2020-09-09 stsp while (*nremotes < iremotes.nremotes) {
2511 257add31 2020-09-09 stsp struct got_remote_repo *remote;
2512 257add31 2020-09-09 stsp const size_t min_datalen =
2513 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremote));
2516 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2519 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2521 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2522 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTE:
2523 257add31 2020-09-09 stsp remote = &(*remotes)[*nremotes];
2524 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2525 257add31 2020-09-09 stsp if (datalen < sizeof(iremote)) {
2526 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2529 257add31 2020-09-09 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2530 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2531 6480c871 2021-08-30 stsp (iremote.fetch_url_len == 0 &&
2532 6480c871 2021-08-30 stsp iremote.send_url_len == 0) ||
2533 257add31 2020-09-09 stsp (sizeof(iremote) + iremote.name_len +
2534 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) >
2535 6480c871 2021-08-30 stsp datalen) {
2536 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2539 257add31 2020-09-09 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2540 257add31 2020-09-09 stsp iremote.name_len);
2541 257add31 2020-09-09 stsp if (remote->name == NULL) {
2542 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2545 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data +
2546 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len,
2547 6480c871 2021-08-30 stsp iremote.fetch_url_len);
2548 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2549 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2550 6480c871 2021-08-30 stsp free_remote_data(remote);
2553 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data +
2554 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len +
2555 6480c871 2021-08-30 stsp iremote.fetch_url_len, iremote.send_url_len);
2556 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2557 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2558 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2561 257add31 2020-09-09 stsp remote->mirror_references = iremote.mirror_references;
2562 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2563 6480c871 2021-08-30 stsp if (iremote.nfetch_branches > 0) {
2564 6480c871 2021-08-30 stsp remote->fetch_branches = recallocarray(NULL, 0,
2565 6480c871 2021-08-30 stsp iremote.nfetch_branches, sizeof(char *));
2566 6480c871 2021-08-30 stsp if (remote->fetch_branches == NULL) {
2567 b8adfa55 2020-09-25 stsp err = got_error_from_errno("calloc");
2568 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2572 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2573 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_branches; i++) {
2574 b8adfa55 2020-09-25 stsp char *branch;
2575 b8adfa55 2020-09-25 stsp err = got_privsep_recv_gotconfig_str(&branch,
2577 b8adfa55 2020-09-25 stsp if (err) {
2578 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2579 b8adfa55 2020-09-25 stsp goto done;
2581 6480c871 2021-08-30 stsp remote->fetch_branches[i] = branch;
2582 6480c871 2021-08-30 stsp remote->nfetch_branches++;
2584 6480c871 2021-08-30 stsp if (iremote.nsend_branches > 0) {
2585 6480c871 2021-08-30 stsp remote->send_branches = recallocarray(NULL, 0,
2586 6480c871 2021-08-30 stsp iremote.nsend_branches, sizeof(char *));
2587 6480c871 2021-08-30 stsp if (remote->send_branches == NULL) {
2588 99495ddb 2021-01-10 stsp err = got_error_from_errno("calloc");
2589 99495ddb 2021-01-10 stsp free_remote_data(remote);
2593 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2594 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nsend_branches; i++) {
2595 6480c871 2021-08-30 stsp char *branch;
2596 6480c871 2021-08-30 stsp err = got_privsep_recv_gotconfig_str(&branch,
2598 6480c871 2021-08-30 stsp if (err) {
2599 6480c871 2021-08-30 stsp free_remote_data(remote);
2600 6480c871 2021-08-30 stsp goto done;
2602 6480c871 2021-08-30 stsp remote->send_branches[i] = branch;
2603 6480c871 2021-08-30 stsp remote->nsend_branches++;
2605 6480c871 2021-08-30 stsp if (iremote.nfetch_refs > 0) {
2606 6480c871 2021-08-30 stsp remote->fetch_refs = recallocarray(NULL, 0,
2607 6480c871 2021-08-30 stsp iremote.nfetch_refs, sizeof(char *));
2608 6480c871 2021-08-30 stsp if (remote->fetch_refs == NULL) {
2609 6480c871 2021-08-30 stsp err = got_error_from_errno("calloc");
2610 6480c871 2021-08-30 stsp free_remote_data(remote);
2614 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2615 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_refs; i++) {
2616 99495ddb 2021-01-10 stsp char *ref;
2617 99495ddb 2021-01-10 stsp err = got_privsep_recv_gotconfig_str(&ref,
2619 99495ddb 2021-01-10 stsp if (err) {
2620 99495ddb 2021-01-10 stsp free_remote_data(remote);
2621 99495ddb 2021-01-10 stsp goto done;
2623 6480c871 2021-08-30 stsp remote->fetch_refs[i] = ref;
2624 6480c871 2021-08-30 stsp remote->nfetch_refs++;
2626 257add31 2020-09-09 stsp (*nremotes)++;
2629 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2633 257add31 2020-09-09 stsp imsg_free(&imsg);
2638 257add31 2020-09-09 stsp if (err) {
2640 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2641 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2642 257add31 2020-09-09 stsp free(*remotes);
2643 257add31 2020-09-09 stsp *remotes = NULL;
2644 257add31 2020-09-09 stsp *nremotes = 0;
2646 257add31 2020-09-09 stsp return err;
2649 257add31 2020-09-09 stsp const struct got_error *
2650 ca6e02ac 2020-01-07 stsp got_privsep_send_commit_traversal_request(struct imsgbuf *ibuf,
2651 abc59930 2021-09-05 naddy struct got_object_id *id, int idx, const char *path)
2653 ca6e02ac 2020-01-07 stsp struct ibuf *wbuf;
2654 a578d6ec 2023-03-01 thomas size_t path_len = strlen(path);
2656 ca6e02ac 2020-01-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_COMMIT_TRAVERSAL_REQUEST, 0, 0,
2657 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_traversal_request) + path_len);
2658 ca6e02ac 2020-01-07 stsp if (wbuf == NULL)
2659 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
2660 ca6e02ac 2020-01-07 stsp "imsg_create COMMIT_TRAVERSAL_REQUEST");
2662 a578d6ec 2023-03-01 thomas * Keep in sync with struct got_imsg_commit_traversal_request
2663 a578d6ec 2023-03-01 thomas * and struct got_imsg_packed_object.
2665 a578d6ec 2023-03-01 thomas if (imsg_add(wbuf, id, sizeof(*id)) == -1)
2666 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add "
2667 e9f1a409 2022-05-19 thomas "COMMIT_TRAVERSAL_REQUEST");
2668 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &idx, sizeof(idx)) == -1)
2669 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add "
2670 e9f1a409 2022-05-19 thomas "COMMIT_TRAVERSAL_REQUEST");
2671 a578d6ec 2023-03-01 thomas if (imsg_add(wbuf, &path_len, sizeof(path_len)) == -1)
2672 a578d6ec 2023-03-01 thomas return got_error_from_errno("imsg_add "
2673 a578d6ec 2023-03-01 thomas "COMMIT_TRAVERSAL_REQUEST");
2674 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, path, path_len) == -1)
2675 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add "
2676 e9f1a409 2022-05-19 thomas "COMMIT_TRAVERSAL_REQUEST");
2678 ca6e02ac 2020-01-07 stsp wbuf->fd = -1;
2679 ca6e02ac 2020-01-07 stsp imsg_close(ibuf, wbuf);
2681 ca6e02ac 2020-01-07 stsp return flush_imsg(ibuf);
2684 ca6e02ac 2020-01-07 stsp const struct got_error *
2685 ca6e02ac 2020-01-07 stsp got_privsep_recv_traversed_commits(struct got_commit_object **changed_commit,
2686 ca6e02ac 2020-01-07 stsp struct got_object_id **changed_commit_id,
2687 ca6e02ac 2020-01-07 stsp struct got_object_id_queue *commit_ids, struct imsgbuf *ibuf)
2689 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
2690 ca6e02ac 2020-01-07 stsp struct imsg imsg;
2691 ca6e02ac 2020-01-07 stsp struct got_imsg_traversed_commits *icommits;
2692 35cdfa2c 2023-02-20 thomas struct got_object_id *ids;
2693 ca6e02ac 2020-01-07 stsp size_t datalen;
2694 ca6e02ac 2020-01-07 stsp int i, done = 0;
2696 ca6e02ac 2020-01-07 stsp *changed_commit = NULL;
2697 ca6e02ac 2020-01-07 stsp *changed_commit_id = NULL;
2699 ca6e02ac 2020-01-07 stsp while (!done) {
2700 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2702 ca6e02ac 2020-01-07 stsp return err;
2704 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2705 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
2706 ca6e02ac 2020-01-07 stsp case GOT_IMSG_TRAVERSED_COMMITS:
2707 ca6e02ac 2020-01-07 stsp icommits = imsg.data;
2708 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommits) +
2709 35cdfa2c 2023-02-20 thomas icommits->ncommits * sizeof(*ids)) {
2710 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2713 35cdfa2c 2023-02-20 thomas ids = imsg.data + sizeof(*icommits);
2714 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommits->ncommits; i++) {
2715 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
2717 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
2720 35cdfa2c 2023-02-20 thomas memcpy(&qid->id, &ids[i], sizeof(ids[i]));
2721 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(commit_ids, qid, entry);
2723 ca6e02ac 2020-01-07 stsp /* The last commit may contain a change. */
2724 ca6e02ac 2020-01-07 stsp if (i == icommits->ncommits - 1) {
2725 ca6e02ac 2020-01-07 stsp *changed_commit_id =
2726 ec242592 2022-04-22 thomas got_object_id_dup(&qid->id);
2727 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2728 ca6e02ac 2020-01-07 stsp err = got_error_from_errno(
2729 ca6e02ac 2020-01-07 stsp "got_object_id_dup");
2735 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
2736 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2737 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2740 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(changed_commit, &imsg,
2741 ca6e02ac 2020-01-07 stsp datalen, ibuf);
2743 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT_TRAVERSAL_DONE:
2747 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2751 ca6e02ac 2020-01-07 stsp imsg_free(&imsg);
2757 ca6e02ac 2020-01-07 stsp got_object_id_queue_free(commit_ids);
2758 ca6e02ac 2020-01-07 stsp return err;
2761 63915ee5 2022-06-23 thomas const struct got_error *
2762 63915ee5 2022-06-23 thomas got_privsep_send_enumerated_tree(size_t *totlen, struct imsgbuf *ibuf,
2763 63915ee5 2022-06-23 thomas struct got_object_id *tree_id, const char *path,
2764 63915ee5 2022-06-23 thomas struct got_parsed_tree_entry *entries, int nentries)
2766 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
2767 63915ee5 2022-06-23 thomas struct ibuf *wbuf;
2768 63915ee5 2022-06-23 thomas size_t path_len = strlen(path);
2769 63915ee5 2022-06-23 thomas size_t msglen;
2771 63915ee5 2022-06-23 thomas msglen = sizeof(struct got_imsg_enumerated_tree) + path_len;
2772 63915ee5 2022-06-23 thomas wbuf = imsg_create(ibuf, GOT_IMSG_ENUMERATED_TREE, 0, 0, msglen);
2773 63915ee5 2022-06-23 thomas if (wbuf == NULL)
2774 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_create ENUMERATED_TREE");
2776 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, tree_id->sha1, SHA1_DIGEST_LENGTH) == -1)
2777 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_TREE");
2778 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, &nentries, sizeof(nentries)) == -1)
2779 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_TREE");
2780 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, path, path_len) == -1)
2781 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_TREE");
2783 63915ee5 2022-06-23 thomas wbuf->fd = -1;
2784 63915ee5 2022-06-23 thomas imsg_close(ibuf, wbuf);
2786 63915ee5 2022-06-23 thomas if (entries) {
2787 63915ee5 2022-06-23 thomas err = send_tree_entries(ibuf, entries, nentries);
2788 63915ee5 2022-06-23 thomas if (err)
2789 63915ee5 2022-06-23 thomas return err;
2792 63915ee5 2022-06-23 thomas return flush_imsg(ibuf);
2795 f9c2e8e5 2022-02-13 thomas const struct got_error *
2796 63915ee5 2022-06-23 thomas got_privsep_send_object_enumeration_request(struct imsgbuf *ibuf)
2798 63915ee5 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_REQUEST,
2799 63915ee5 2022-06-23 thomas 0, 0, -1, NULL, 0) == -1)
2800 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_compose "
2801 63915ee5 2022-06-23 thomas "OBJECT_ENUMERATION_REQUEST");
2803 63915ee5 2022-06-23 thomas return flush_imsg(ibuf);
2806 63915ee5 2022-06-23 thomas const struct got_error *
2807 63915ee5 2022-06-23 thomas got_privsep_send_object_enumeration_done(struct imsgbuf *ibuf)
2809 63915ee5 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_DONE,
2810 63915ee5 2022-06-23 thomas 0, 0, -1, NULL, 0) == -1)
2811 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_compose "
2812 63915ee5 2022-06-23 thomas "OBJECT_ENUMERATION_DONE");
2814 63915ee5 2022-06-23 thomas return flush_imsg(ibuf);
2817 63915ee5 2022-06-23 thomas const struct got_error *
2818 e71f1e62 2022-06-23 thomas got_privsep_send_object_enumeration_incomplete(struct imsgbuf *ibuf)
2820 e71f1e62 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_INCOMPLETE,
2821 e71f1e62 2022-06-23 thomas 0, 0, -1, NULL, 0) == -1)
2822 e71f1e62 2022-06-23 thomas return got_error_from_errno("imsg_compose "
2823 e71f1e62 2022-06-23 thomas "OBJECT_ENUMERATION_INCOMPLETE");
2825 e71f1e62 2022-06-23 thomas return flush_imsg(ibuf);
2828 e71f1e62 2022-06-23 thomas const struct got_error *
2829 63915ee5 2022-06-23 thomas got_privsep_send_enumerated_commit(struct imsgbuf *ibuf,
2830 63915ee5 2022-06-23 thomas struct got_object_id *id, time_t mtime)
2832 63915ee5 2022-06-23 thomas struct ibuf *wbuf;
2834 63915ee5 2022-06-23 thomas wbuf = imsg_create(ibuf, GOT_IMSG_ENUMERATED_COMMIT, 0, 0,
2835 63915ee5 2022-06-23 thomas sizeof(struct got_imsg_enumerated_commit) + SHA1_DIGEST_LENGTH);
2836 63915ee5 2022-06-23 thomas if (wbuf == NULL)
2837 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_create ENUMERATED_COMMIT");
2839 63915ee5 2022-06-23 thomas /* Keep in sync with struct got_imsg_enumerated_commit! */
2840 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, id, SHA1_DIGEST_LENGTH) == -1)
2841 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_COMMIT");
2842 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, &mtime, sizeof(mtime)) == -1)
2843 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_COMMIT");
2845 63915ee5 2022-06-23 thomas wbuf->fd = -1;
2846 63915ee5 2022-06-23 thomas imsg_close(ibuf, wbuf);
2847 63915ee5 2022-06-23 thomas /* Don't flush yet, tree entries or ENUMERATION_DONE will follow. */
2848 63915ee5 2022-06-23 thomas return NULL;
2851 63915ee5 2022-06-23 thomas const struct got_error *
2852 e71f1e62 2022-06-23 thomas got_privsep_recv_enumerated_objects(int *found_all_objects,
2853 e71f1e62 2022-06-23 thomas struct imsgbuf *ibuf,
2854 63915ee5 2022-06-23 thomas got_object_enumerate_commit_cb cb_commit,
2855 63915ee5 2022-06-23 thomas got_object_enumerate_tree_cb cb_tree, void *cb_arg,
2856 63915ee5 2022-06-23 thomas struct got_repository *repo)
2858 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
2859 63915ee5 2022-06-23 thomas struct imsg imsg;
2860 63915ee5 2022-06-23 thomas struct got_imsg_enumerated_commit *icommit = NULL;
2861 63915ee5 2022-06-23 thomas struct got_object_id commit_id;
2862 63915ee5 2022-06-23 thomas int have_commit = 0;
2863 63915ee5 2022-06-23 thomas time_t mtime = 0;
2864 63915ee5 2022-06-23 thomas struct got_tree_object tree;
2865 63915ee5 2022-06-23 thomas struct got_imsg_enumerated_tree *itree;
2866 63915ee5 2022-06-23 thomas struct got_object_id tree_id;
2867 63915ee5 2022-06-23 thomas char *path = NULL, *canon_path = NULL;
2868 63915ee5 2022-06-23 thomas size_t datalen, path_len;
2869 63915ee5 2022-06-23 thomas int nentries = -1;
2870 63915ee5 2022-06-23 thomas int done = 0;
2872 e71f1e62 2022-06-23 thomas *found_all_objects = 0;
2873 63915ee5 2022-06-23 thomas memset(&tree, 0, sizeof(tree));
2875 63915ee5 2022-06-23 thomas while (!done) {
2876 63915ee5 2022-06-23 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2877 63915ee5 2022-06-23 thomas if (err)
2880 63915ee5 2022-06-23 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2881 63915ee5 2022-06-23 thomas switch (imsg.hdr.type) {
2882 77402035 2022-06-23 thomas case GOT_IMSG_ENUMERATED_COMMIT:
2883 63915ee5 2022-06-23 thomas if (have_commit && nentries != -1) {
2884 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2887 63915ee5 2022-06-23 thomas if (datalen != sizeof(*icommit)) {
2888 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2891 63915ee5 2022-06-23 thomas icommit = (struct got_imsg_enumerated_commit *)imsg.data;
2892 63915ee5 2022-06-23 thomas memcpy(commit_id.sha1, icommit->id, SHA1_DIGEST_LENGTH);
2893 63915ee5 2022-06-23 thomas mtime = icommit->mtime;
2894 63915ee5 2022-06-23 thomas have_commit = 1;
2896 63915ee5 2022-06-23 thomas case GOT_IMSG_ENUMERATED_TREE:
2897 63915ee5 2022-06-23 thomas /* Should be preceeded by GOT_IMSG_ENUMERATED_COMMIT. */
2898 63915ee5 2022-06-23 thomas if (!have_commit) {
2899 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2902 63915ee5 2022-06-23 thomas if (datalen < sizeof(*itree)) {
2903 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2906 63915ee5 2022-06-23 thomas itree = imsg.data;
2907 63915ee5 2022-06-23 thomas path_len = datalen - sizeof(*itree);
2908 63915ee5 2022-06-23 thomas if (path_len == 0) {
2909 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2912 63915ee5 2022-06-23 thomas memcpy(tree_id.sha1, itree->id, sizeof(tree_id.sha1));
2913 63915ee5 2022-06-23 thomas free(path);
2914 fcbb06bf 2023-01-14 thomas path = strndup(imsg.data + sizeof(*itree), path_len);
2915 63915ee5 2022-06-23 thomas if (path == NULL) {
2916 fcbb06bf 2023-01-14 thomas err = got_error_from_errno("strndup");
2919 63915ee5 2022-06-23 thomas free(canon_path);
2920 63915ee5 2022-06-23 thomas canon_path = malloc(path_len + 1);
2921 63915ee5 2022-06-23 thomas if (canon_path == NULL) {
2922 63915ee5 2022-06-23 thomas err = got_error_from_errno("malloc");
2925 63915ee5 2022-06-23 thomas if (!got_path_is_absolute(path)) {
2926 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_BAD_PATH);
2929 63915ee5 2022-06-23 thomas if (got_path_is_root_dir(path)) {
2930 63915ee5 2022-06-23 thomas /* XXX check what got_canonpath() does wrong */
2931 63915ee5 2022-06-23 thomas canon_path[0] = '/';
2932 63915ee5 2022-06-23 thomas canon_path[1] = '\0';
2933 63915ee5 2022-06-23 thomas } else {
2934 63915ee5 2022-06-23 thomas err = got_canonpath(path, canon_path,
2935 63915ee5 2022-06-23 thomas path_len + 1);
2936 63915ee5 2022-06-23 thomas if (err)
2939 63915ee5 2022-06-23 thomas if (strcmp(path, canon_path) != 0) {
2940 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_BAD_PATH);
2943 63915ee5 2022-06-23 thomas if (nentries != -1) {
2944 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2947 63915ee5 2022-06-23 thomas if (itree->nentries < -1) {
2948 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2951 63915ee5 2022-06-23 thomas if (itree->nentries == -1) {
2952 63915ee5 2022-06-23 thomas /* Tree was not found in pack file. */
2953 63915ee5 2022-06-23 thomas err = cb_tree(cb_arg, NULL, mtime, &tree_id,
2954 63915ee5 2022-06-23 thomas path, repo);
2957 63915ee5 2022-06-23 thomas if (itree->nentries > INT_MAX) {
2958 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2961 63915ee5 2022-06-23 thomas tree.entries = calloc(itree->nentries,
2962 63915ee5 2022-06-23 thomas sizeof(struct got_tree_entry));
2963 63915ee5 2022-06-23 thomas if (tree.entries == NULL) {
2964 63915ee5 2022-06-23 thomas err = got_error_from_errno("calloc");
2967 63915ee5 2022-06-23 thomas if (itree->nentries == 0) {
2968 63915ee5 2022-06-23 thomas err = cb_tree(cb_arg, &tree, mtime, &tree_id,
2969 63915ee5 2022-06-23 thomas path, repo);
2970 63915ee5 2022-06-23 thomas if (err)
2973 63915ee5 2022-06-23 thomas /* Prepare for next tree. */
2974 63915ee5 2022-06-23 thomas free(tree.entries);
2975 63915ee5 2022-06-23 thomas memset(&tree, 0, sizeof(tree));
2976 63915ee5 2022-06-23 thomas nentries = -1;
2977 63915ee5 2022-06-23 thomas } else {
2978 63915ee5 2022-06-23 thomas tree.nentries = itree->nentries;
2979 63915ee5 2022-06-23 thomas nentries = 0;
2982 63915ee5 2022-06-23 thomas case GOT_IMSG_TREE_ENTRIES:
2983 63915ee5 2022-06-23 thomas /* Should be preceeded by GOT_IMSG_ENUMERATED_TREE. */
2984 63915ee5 2022-06-23 thomas if (nentries <= -1) {
2985 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2988 63915ee5 2022-06-23 thomas err = recv_tree_entries(imsg.data, datalen,
2989 63915ee5 2022-06-23 thomas &tree, &nentries);
2990 63915ee5 2022-06-23 thomas if (err)
2992 63915ee5 2022-06-23 thomas if (tree.nentries == nentries) {
2993 63915ee5 2022-06-23 thomas err = cb_tree(cb_arg, &tree, mtime, &tree_id,
2994 63915ee5 2022-06-23 thomas path, repo);
2995 63915ee5 2022-06-23 thomas if (err)
2998 63915ee5 2022-06-23 thomas /* Prepare for next tree. */
2999 63915ee5 2022-06-23 thomas free(tree.entries);
3000 63915ee5 2022-06-23 thomas memset(&tree, 0, sizeof(tree));
3001 63915ee5 2022-06-23 thomas nentries = -1;
3004 63915ee5 2022-06-23 thomas case GOT_IMSG_TREE_ENUMERATION_DONE:
3005 63915ee5 2022-06-23 thomas /* All trees have been found and traversed. */
3006 63915ee5 2022-06-23 thomas if (!have_commit || path == NULL || nentries != -1) {
3007 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3010 63915ee5 2022-06-23 thomas err = cb_commit(cb_arg, mtime, &commit_id, repo);
3011 63915ee5 2022-06-23 thomas if (err)
3013 63915ee5 2022-06-23 thomas have_commit = 0;
3015 63915ee5 2022-06-23 thomas case GOT_IMSG_OBJECT_ENUMERATION_DONE:
3016 e71f1e62 2022-06-23 thomas *found_all_objects = 1;
3017 e71f1e62 2022-06-23 thomas done = 1;
3019 e71f1e62 2022-06-23 thomas case GOT_IMSG_OBJECT_ENUMERATION_INCOMPLETE:
3020 63915ee5 2022-06-23 thomas done = 1;
3022 63915ee5 2022-06-23 thomas default:
3023 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3027 63915ee5 2022-06-23 thomas imsg_free(&imsg);
3028 63915ee5 2022-06-23 thomas if (err)
3032 63915ee5 2022-06-23 thomas free(path);
3033 63915ee5 2022-06-23 thomas free(canon_path);
3034 63915ee5 2022-06-23 thomas free(tree.entries);
3035 63915ee5 2022-06-23 thomas return err;
3038 63915ee5 2022-06-23 thomas const struct got_error *
3039 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta_req(struct imsgbuf *ibuf, int idx,
3040 f9c2e8e5 2022-02-13 thomas struct got_object_id *id)
3042 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta_request dreq;
3044 c26ee7ad 2022-06-23 thomas memset(&dreq, 0, sizeof(dreq));
3045 f9c2e8e5 2022-02-13 thomas dreq.idx = idx;
3046 d77295e3 2023-02-03 thomas memcpy(&dreq.id, id, sizeof(dreq.id));
3048 f9c2e8e5 2022-02-13 thomas if (imsg_compose(ibuf, GOT_IMSG_RAW_DELTA_REQUEST, 0, 0, -1,
3049 f9c2e8e5 2022-02-13 thomas &dreq, sizeof(dreq)) == -1)
3050 f9c2e8e5 2022-02-13 thomas return got_error_from_errno("imsg_compose RAW_DELTA_REQUEST");
3052 f9c2e8e5 2022-02-13 thomas return flush_imsg(ibuf);
3055 f9c2e8e5 2022-02-13 thomas const struct got_error *
3056 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta_outfd(struct imsgbuf *ibuf, int fd)
3058 f9c2e8e5 2022-02-13 thomas return send_fd(ibuf, GOT_IMSG_RAW_DELTA_OUTFD, fd);
3061 f9c2e8e5 2022-02-13 thomas const struct got_error *
3062 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta(struct imsgbuf *ibuf, uint64_t base_size,
3063 9249e7e3 2022-05-12 thomas uint64_t result_size, off_t delta_size, off_t delta_compressed_size,
3064 9249e7e3 2022-05-12 thomas off_t delta_offset, off_t delta_out_offset, struct got_object_id *base_id)
3066 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta idelta;
3067 f9c2e8e5 2022-02-13 thomas int ret;
3069 c26ee7ad 2022-06-23 thomas memset(&idelta, 0, sizeof(idelta));
3070 f9c2e8e5 2022-02-13 thomas idelta.base_size = base_size;
3071 f9c2e8e5 2022-02-13 thomas idelta.result_size = result_size;
3072 f9c2e8e5 2022-02-13 thomas idelta.delta_size = delta_size;
3073 9249e7e3 2022-05-12 thomas idelta.delta_compressed_size = delta_compressed_size;
3074 f9c2e8e5 2022-02-13 thomas idelta.delta_offset = delta_offset;
3075 f9c2e8e5 2022-02-13 thomas idelta.delta_out_offset = delta_out_offset;
3076 564a8b01 2023-02-03 thomas memcpy(&idelta.base_id, &base_id, sizeof(idelta.base_id));
3078 f9c2e8e5 2022-02-13 thomas ret = imsg_compose(ibuf, GOT_IMSG_RAW_DELTA, 0, 0, -1,
3079 f9c2e8e5 2022-02-13 thomas &idelta, sizeof(idelta));
3080 f9c2e8e5 2022-02-13 thomas if (ret == -1)
3081 f9c2e8e5 2022-02-13 thomas return got_error_from_errno("imsg_compose RAW_DELTA");
3083 f9c2e8e5 2022-02-13 thomas return flush_imsg(ibuf);
3086 ca6e02ac 2020-01-07 stsp const struct got_error *
3087 f9c2e8e5 2022-02-13 thomas got_privsep_recv_raw_delta(uint64_t *base_size, uint64_t *result_size,
3088 9249e7e3 2022-05-12 thomas off_t *delta_size, off_t *delta_compressed_size, off_t *delta_offset,
3089 dd57e4ab 2023-02-03 thomas off_t *delta_out_offset, struct got_object_id **base_id,
3090 dd57e4ab 2023-02-03 thomas struct imsgbuf *ibuf)
3092 f9c2e8e5 2022-02-13 thomas const struct got_error *err = NULL;
3093 f9c2e8e5 2022-02-13 thomas struct imsg imsg;
3094 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta *delta;
3095 f9c2e8e5 2022-02-13 thomas size_t datalen;
3097 f9c2e8e5 2022-02-13 thomas *base_size = 0;
3098 f9c2e8e5 2022-02-13 thomas *result_size = 0;
3099 f9c2e8e5 2022-02-13 thomas *delta_size = 0;
3100 9249e7e3 2022-05-12 thomas *delta_compressed_size = 0;
3101 f9c2e8e5 2022-02-13 thomas *delta_offset = 0;
3102 f9c2e8e5 2022-02-13 thomas *delta_out_offset = 0;
3103 f9c2e8e5 2022-02-13 thomas *base_id = NULL;
3105 f9c2e8e5 2022-02-13 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3106 f9c2e8e5 2022-02-13 thomas if (err)
3107 f9c2e8e5 2022-02-13 thomas return err;
3109 f9c2e8e5 2022-02-13 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3111 f9c2e8e5 2022-02-13 thomas switch (imsg.hdr.type) {
3112 f9c2e8e5 2022-02-13 thomas case GOT_IMSG_RAW_DELTA:
3113 f9c2e8e5 2022-02-13 thomas if (datalen != sizeof(*delta)) {
3114 f9c2e8e5 2022-02-13 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3117 f9c2e8e5 2022-02-13 thomas delta = imsg.data;
3118 f9c2e8e5 2022-02-13 thomas *base_size = delta->base_size;
3119 f9c2e8e5 2022-02-13 thomas *result_size = delta->result_size;
3120 f9c2e8e5 2022-02-13 thomas *delta_size = delta->delta_size;
3121 9249e7e3 2022-05-12 thomas *delta_compressed_size = delta->delta_compressed_size;
3122 f9c2e8e5 2022-02-13 thomas *delta_offset = delta->delta_offset;
3123 f9c2e8e5 2022-02-13 thomas *delta_out_offset = delta->delta_out_offset;
3124 f9c2e8e5 2022-02-13 thomas *base_id = calloc(1, sizeof(**base_id));
3125 f9c2e8e5 2022-02-13 thomas if (*base_id == NULL) {
3126 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("malloc");
3129 564a8b01 2023-02-03 thomas memcpy(*base_id, &delta->base_id, sizeof(**base_id));
3131 f9c2e8e5 2022-02-13 thomas default:
3132 f9c2e8e5 2022-02-13 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3136 f9c2e8e5 2022-02-13 thomas imsg_free(&imsg);
3138 f9c2e8e5 2022-02-13 thomas if (err) {
3139 f9c2e8e5 2022-02-13 thomas free(*base_id);
3140 f9c2e8e5 2022-02-13 thomas *base_id = NULL;
3142 7d0d4920 2022-05-12 thomas return err;
3145 63915ee5 2022-06-23 thomas static const struct got_error *
3146 63915ee5 2022-06-23 thomas send_idlist(struct imsgbuf *ibuf, struct got_object_id **ids, size_t nids)
3148 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3149 7d0d4920 2022-05-12 thomas struct got_imsg_object_idlist idlist;
3150 7d0d4920 2022-05-12 thomas struct ibuf *wbuf;
3151 7d0d4920 2022-05-12 thomas size_t i;
3153 c26ee7ad 2022-06-23 thomas memset(&idlist, 0, sizeof(idlist));
3155 7d0d4920 2022-05-12 thomas if (nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS)
3156 7d0d4920 2022-05-12 thomas return got_error(GOT_ERR_NO_SPACE);
3158 7d0d4920 2022-05-12 thomas wbuf = imsg_create(ibuf, GOT_IMSG_OBJ_ID_LIST, 0, 0,
3159 7d0d4920 2022-05-12 thomas sizeof(idlist) + nids * sizeof(**ids));
3160 7d0d4920 2022-05-12 thomas if (wbuf == NULL) {
3161 7d0d4920 2022-05-12 thomas err = got_error_from_errno("imsg_create OBJ_ID_LIST");
3162 7d0d4920 2022-05-12 thomas return err;
3165 7d0d4920 2022-05-12 thomas idlist.nids = nids;
3166 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &idlist, sizeof(idlist)) == -1)
3167 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add OBJ_ID_LIST");
3169 7d0d4920 2022-05-12 thomas for (i = 0; i < nids; i++) {
3170 7d0d4920 2022-05-12 thomas struct got_object_id *id = ids[i];
3171 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, id, sizeof(*id)) == -1)
3172 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add OBJ_ID_LIST");
3175 7d0d4920 2022-05-12 thomas wbuf->fd = -1;
3176 7d0d4920 2022-05-12 thomas imsg_close(ibuf, wbuf);
3178 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3181 7d0d4920 2022-05-12 thomas const struct got_error *
3182 63915ee5 2022-06-23 thomas got_privsep_send_object_idlist(struct imsgbuf *ibuf,
3183 63915ee5 2022-06-23 thomas struct got_object_id **ids, size_t nids)
3185 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
3186 63915ee5 2022-06-23 thomas struct got_object_id *idlist[GOT_IMSG_OBJ_ID_LIST_MAX_NIDS];
3187 ef53e23c 2022-06-23 thomas int i, queued = 0;
3189 77402035 2022-06-23 thomas for (i = 0; i < nids; i++) {
3190 ef53e23c 2022-06-23 thomas idlist[i % nitems(idlist)] = ids[i];
3191 ef53e23c 2022-06-23 thomas queued++;
3192 8f3ec65d 2022-06-23 thomas if (queued >= nitems(idlist)) {
3193 ef53e23c 2022-06-23 thomas err = send_idlist(ibuf, idlist, queued);
3194 63915ee5 2022-06-23 thomas if (err)
3195 63915ee5 2022-06-23 thomas return err;
3196 ef53e23c 2022-06-23 thomas queued = 0;
3200 ef53e23c 2022-06-23 thomas if (queued > 0) {
3201 ef53e23c 2022-06-23 thomas err = send_idlist(ibuf, idlist, queued);
3202 63915ee5 2022-06-23 thomas if (err)
3203 63915ee5 2022-06-23 thomas return err;
3206 63915ee5 2022-06-23 thomas return NULL;
3209 63915ee5 2022-06-23 thomas const struct got_error *
3210 7d0d4920 2022-05-12 thomas got_privsep_send_object_idlist_done(struct imsgbuf *ibuf)
3212 7d0d4920 2022-05-12 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJ_ID_LIST_DONE, 0, 0, -1, NULL, 0)
3214 7d0d4920 2022-05-12 thomas return got_error_from_errno("imsg_compose OBJ_ID_LIST_DONE");
3216 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3219 7d0d4920 2022-05-12 thomas const struct got_error *
3220 7d0d4920 2022-05-12 thomas got_privsep_recv_object_idlist(int *done, struct got_object_id **ids,
3221 7d0d4920 2022-05-12 thomas size_t *nids, struct imsgbuf *ibuf)
3223 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3224 7d0d4920 2022-05-12 thomas struct imsg imsg;
3225 7d0d4920 2022-05-12 thomas struct got_imsg_object_idlist *idlist;
3226 7d0d4920 2022-05-12 thomas size_t datalen;
3228 7d0d4920 2022-05-12 thomas *ids = NULL;
3229 7d0d4920 2022-05-12 thomas *done = 0;
3230 7d0d4920 2022-05-12 thomas *nids = 0;
3232 7d0d4920 2022-05-12 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3233 7d0d4920 2022-05-12 thomas if (err)
3234 7d0d4920 2022-05-12 thomas return err;
3236 7d0d4920 2022-05-12 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3237 7d0d4920 2022-05-12 thomas switch (imsg.hdr.type) {
3238 7d0d4920 2022-05-12 thomas case GOT_IMSG_OBJ_ID_LIST:
3239 7d0d4920 2022-05-12 thomas if (datalen < sizeof(*idlist)) {
3240 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3243 7d0d4920 2022-05-12 thomas idlist = imsg.data;
3244 31d32634 2022-06-23 thomas if (idlist->nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS ||
3245 31d32634 2022-06-23 thomas idlist->nids * sizeof(**ids) > datalen - sizeof(*idlist)) {
3246 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3249 7d0d4920 2022-05-12 thomas *nids = idlist->nids;
3250 7d0d4920 2022-05-12 thomas *ids = calloc(*nids, sizeof(**ids));
3251 7d0d4920 2022-05-12 thomas if (*ids == NULL) {
3252 7d0d4920 2022-05-12 thomas err = got_error_from_errno("calloc");
3255 623d55de 2022-06-23 thomas memcpy(*ids, (uint8_t *)imsg.data + sizeof(*idlist),
3256 7d0d4920 2022-05-12 thomas *nids * sizeof(**ids));
3258 7d0d4920 2022-05-12 thomas case GOT_IMSG_OBJ_ID_LIST_DONE:
3259 7d0d4920 2022-05-12 thomas *done = 1;
3261 7d0d4920 2022-05-12 thomas default:
3262 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3266 7d0d4920 2022-05-12 thomas imsg_free(&imsg);
3268 7d0d4920 2022-05-12 thomas return err;
3271 7d0d4920 2022-05-12 thomas const struct got_error *
3272 7d0d4920 2022-05-12 thomas got_privsep_send_delta_reuse_req(struct imsgbuf *ibuf)
3274 7d0d4920 2022-05-12 thomas if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_REQUEST, 0, 0, -1, NULL, 0)
3276 7d0d4920 2022-05-12 thomas return got_error_from_errno("imsg_compose DELTA_REUSE_REQUEST");
3278 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3281 7d0d4920 2022-05-12 thomas const struct got_error *
3282 7d0d4920 2022-05-12 thomas got_privsep_send_reused_deltas(struct imsgbuf *ibuf,
3283 7d0d4920 2022-05-12 thomas struct got_imsg_reused_delta *deltas, size_t ndeltas)
3285 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3286 7d0d4920 2022-05-12 thomas struct ibuf *wbuf;
3287 7d0d4920 2022-05-12 thomas struct got_imsg_reused_deltas ideltas;
3288 7d0d4920 2022-05-12 thomas size_t i;
3290 c26ee7ad 2022-06-23 thomas memset(&ideltas, 0, sizeof(ideltas));
3292 7d0d4920 2022-05-12 thomas if (ndeltas > GOT_IMSG_REUSED_DELTAS_MAX_NDELTAS)
3293 7d0d4920 2022-05-12 thomas return got_error(GOT_ERR_NO_SPACE);
3295 7d0d4920 2022-05-12 thomas wbuf = imsg_create(ibuf, GOT_IMSG_REUSED_DELTAS, 0, 0,
3296 7d0d4920 2022-05-12 thomas sizeof(ideltas) + ndeltas * sizeof(*deltas));
3297 7d0d4920 2022-05-12 thomas if (wbuf == NULL) {
3298 7d0d4920 2022-05-12 thomas err = got_error_from_errno("imsg_create REUSED_DELTAS");
3299 7d0d4920 2022-05-12 thomas return err;
3302 7d0d4920 2022-05-12 thomas ideltas.ndeltas = ndeltas;
3303 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &ideltas, sizeof(ideltas)) == -1)
3304 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add REUSED_DELTAS");
3306 7d0d4920 2022-05-12 thomas for (i = 0; i < ndeltas; i++) {
3307 7d0d4920 2022-05-12 thomas struct got_imsg_reused_delta *delta = &deltas[i];
3308 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, delta, sizeof(*delta)) == -1)
3309 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add REUSED_DELTAS");
3312 7d0d4920 2022-05-12 thomas wbuf->fd = -1;
3313 7d0d4920 2022-05-12 thomas imsg_close(ibuf, wbuf);
3315 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3318 7d0d4920 2022-05-12 thomas const struct got_error *
3319 7d0d4920 2022-05-12 thomas got_privsep_send_reused_deltas_done(struct imsgbuf *ibuf)
3321 7d0d4920 2022-05-12 thomas if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_DONE, 0, 0, -1, NULL, 0)
3323 7d0d4920 2022-05-12 thomas return got_error_from_errno("imsg_compose DELTA_REUSE_DONE");
3325 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3328 7d0d4920 2022-05-12 thomas const struct got_error *
3329 7d0d4920 2022-05-12 thomas got_privsep_recv_reused_deltas(int *done, struct got_imsg_reused_delta *deltas,
3330 7d0d4920 2022-05-12 thomas size_t *ndeltas, struct imsgbuf *ibuf)
3332 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3333 7d0d4920 2022-05-12 thomas struct imsg imsg;
3334 7d0d4920 2022-05-12 thomas struct got_imsg_reused_deltas *ideltas;
3335 7d0d4920 2022-05-12 thomas size_t datalen;
3337 7d0d4920 2022-05-12 thomas *done = 0;
3338 7d0d4920 2022-05-12 thomas *ndeltas = 0;
3340 7d0d4920 2022-05-12 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3341 7d0d4920 2022-05-12 thomas if (err)
3342 7d0d4920 2022-05-12 thomas return err;
3344 7d0d4920 2022-05-12 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3345 7d0d4920 2022-05-12 thomas switch (imsg.hdr.type) {
3346 7d0d4920 2022-05-12 thomas case GOT_IMSG_REUSED_DELTAS:
3347 7d0d4920 2022-05-12 thomas if (datalen < sizeof(*ideltas)) {
3348 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3351 7d0d4920 2022-05-12 thomas ideltas = imsg.data;
3352 31d32634 2022-06-23 thomas if (ideltas->ndeltas > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS ||
3353 31d32634 2022-06-23 thomas ideltas->ndeltas * sizeof(*deltas) >
3354 31d32634 2022-06-23 thomas datalen - sizeof(*ideltas)) {
3355 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3358 7d0d4920 2022-05-12 thomas *ndeltas = ideltas->ndeltas;
3359 623d55de 2022-06-23 thomas memcpy(deltas, (uint8_t *)imsg.data + sizeof(*ideltas),
3360 7d0d4920 2022-05-12 thomas *ndeltas * sizeof(*deltas));
3362 7d0d4920 2022-05-12 thomas case GOT_IMSG_DELTA_REUSE_DONE:
3363 7d0d4920 2022-05-12 thomas *done = 1;
3365 7d0d4920 2022-05-12 thomas default:
3366 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3370 7d0d4920 2022-05-12 thomas imsg_free(&imsg);
3372 ec2b23c5 2022-07-01 thomas return err;
3375 ec2b23c5 2022-07-01 thomas const struct got_error *
3376 ec2b23c5 2022-07-01 thomas got_privsep_init_commit_painting(struct imsgbuf *ibuf)
3378 ec2b23c5 2022-07-01 thomas if (imsg_compose(ibuf, GOT_IMSG_COMMIT_PAINTING_INIT,
3379 ec2b23c5 2022-07-01 thomas 0, 0, -1, NULL, 0)
3381 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_compose "
3382 ec2b23c5 2022-07-01 thomas "COMMIT_PAINTING_INIT");
3384 ec2b23c5 2022-07-01 thomas return flush_imsg(ibuf);
3387 ec2b23c5 2022-07-01 thomas const struct got_error *
3388 ec2b23c5 2022-07-01 thomas got_privsep_send_painting_request(struct imsgbuf *ibuf, int idx,
3389 ec2b23c5 2022-07-01 thomas struct got_object_id *id, intptr_t color)
3391 ec2b23c5 2022-07-01 thomas struct got_imsg_commit_painting_request ireq;
3393 ec2b23c5 2022-07-01 thomas memset(&ireq, 0, sizeof(ireq));
3394 35cdfa2c 2023-02-20 thomas memcpy(&ireq.id, id, sizeof(ireq.id));
3395 ec2b23c5 2022-07-01 thomas ireq.idx = idx;
3396 ec2b23c5 2022-07-01 thomas ireq.color = color;
3398 ec2b23c5 2022-07-01 thomas if (imsg_compose(ibuf, GOT_IMSG_COMMIT_PAINTING_REQUEST, 0, 0, -1,
3399 ec2b23c5 2022-07-01 thomas &ireq, sizeof(ireq)) == -1)
3400 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_compose "
3401 ec2b23c5 2022-07-01 thomas "COMMIT_PAINTING_REQUEST");
3403 ec2b23c5 2022-07-01 thomas return flush_imsg(ibuf);
3406 ec2b23c5 2022-07-01 thomas static const struct got_error *
3407 ec2b23c5 2022-07-01 thomas send_painted_commits(struct got_object_id_queue *ids, int *nids,
3408 ec2b23c5 2022-07-01 thomas size_t remain, int present_in_pack, struct imsgbuf *ibuf)
3410 ec2b23c5 2022-07-01 thomas const struct got_error *err = NULL;
3411 ec2b23c5 2022-07-01 thomas struct ibuf *wbuf = NULL;
3412 ec2b23c5 2022-07-01 thomas struct got_object_qid *qid;
3413 ec2b23c5 2022-07-01 thomas size_t msglen;
3414 ec2b23c5 2022-07-01 thomas int ncommits;
3415 ec2b23c5 2022-07-01 thomas intptr_t color;
3417 ec2b23c5 2022-07-01 thomas msglen = MIN(remain, MAX_IMSGSIZE - IMSG_HEADER_SIZE);
3418 ec2b23c5 2022-07-01 thomas ncommits = (msglen - sizeof(struct got_imsg_painted_commits)) /
3419 ec2b23c5 2022-07-01 thomas sizeof(struct got_imsg_painted_commit);
3421 ec2b23c5 2022-07-01 thomas wbuf = imsg_create(ibuf, GOT_IMSG_PAINTED_COMMITS, 0, 0, msglen);
3422 ec2b23c5 2022-07-01 thomas if (wbuf == NULL) {
3423 ec2b23c5 2022-07-01 thomas err = got_error_from_errno("imsg_create PAINTED_COMMITS");
3424 ec2b23c5 2022-07-01 thomas return err;
3427 ec2b23c5 2022-07-01 thomas /* Keep in sync with struct got_imsg_painted_commits! */
3428 ec2b23c5 2022-07-01 thomas if (imsg_add(wbuf, &ncommits, sizeof(ncommits)) == -1)
3429 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_add PAINTED_COMMITS");
3430 ec2b23c5 2022-07-01 thomas if (imsg_add(wbuf, &present_in_pack, sizeof(present_in_pack)) == -1)
3431 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_add PAINTED_COMMITS");
3433 ec2b23c5 2022-07-01 thomas while (ncommits > 0) {
3434 ec2b23c5 2022-07-01 thomas qid = STAILQ_FIRST(ids);
3435 ec2b23c5 2022-07-01 thomas STAILQ_REMOVE_HEAD(ids, entry);
3436 ec2b23c5 2022-07-01 thomas ncommits--;
3437 ec2b23c5 2022-07-01 thomas (*nids)--;
3438 ec2b23c5 2022-07-01 thomas color = (intptr_t)qid->data;
3440 ec2b23c5 2022-07-01 thomas /* Keep in sync with struct got_imsg_painted_commit! */
3441 ec2b23c5 2022-07-01 thomas if (imsg_add(wbuf, qid->id.sha1, SHA1_DIGEST_LENGTH) == -1)
3442 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_add PAINTED_COMMITS");
3443 ec2b23c5 2022-07-01 thomas if (imsg_add(wbuf, &color, sizeof(color)) == -1)
3444 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_add PAINTED_COMMITS");
3446 ec2b23c5 2022-07-01 thomas got_object_qid_free(qid);
3449 ec2b23c5 2022-07-01 thomas wbuf->fd = -1;
3450 ec2b23c5 2022-07-01 thomas imsg_close(ibuf, wbuf);
3452 ec2b23c5 2022-07-01 thomas return flush_imsg(ibuf);
3455 ec2b23c5 2022-07-01 thomas const struct got_error *
3456 ec2b23c5 2022-07-01 thomas got_privsep_send_painted_commits(struct imsgbuf *ibuf,
3457 ec2b23c5 2022-07-01 thomas struct got_object_id_queue *ids, int *nids,
3458 ec2b23c5 2022-07-01 thomas int present_in_pack, int flush)
3460 ec2b23c5 2022-07-01 thomas const struct got_error *err;
3461 ec2b23c5 2022-07-01 thomas size_t remain;
3463 ec2b23c5 2022-07-01 thomas if (*nids <= 0)
3464 ec2b23c5 2022-07-01 thomas return NULL;
3467 ec2b23c5 2022-07-01 thomas remain = (sizeof(struct got_imsg_painted_commits)) +
3468 ec2b23c5 2022-07-01 thomas *nids * sizeof(struct got_imsg_painted_commit);
3469 ec2b23c5 2022-07-01 thomas if (flush || remain >= MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
3470 ec2b23c5 2022-07-01 thomas err = send_painted_commits(ids, nids, remain,
3471 ec2b23c5 2022-07-01 thomas present_in_pack, ibuf);
3472 ec2b23c5 2022-07-01 thomas if (err)
3473 ec2b23c5 2022-07-01 thomas return err;
3475 ec2b23c5 2022-07-01 thomas } while (flush && *nids > 0);
3477 ec2b23c5 2022-07-01 thomas return NULL;
3480 ec2b23c5 2022-07-01 thomas const struct got_error *
3481 ec2b23c5 2022-07-01 thomas got_privsep_send_painting_commits_done(struct imsgbuf *ibuf)
3483 ec2b23c5 2022-07-01 thomas if (imsg_compose(ibuf, GOT_IMSG_COMMIT_PAINTING_DONE,
3484 ec2b23c5 2022-07-01 thomas 0, 0, -1, NULL, 0)
3486 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_compose "
3487 ec2b23c5 2022-07-01 thomas "COMMIT_PAINTING_DONE");
3489 ec2b23c5 2022-07-01 thomas return flush_imsg(ibuf);
3492 ec2b23c5 2022-07-01 thomas const struct got_error *
3493 ec2b23c5 2022-07-01 thomas got_privsep_recv_painted_commits(struct got_object_id_queue *new_ids,
3494 ec2b23c5 2022-07-01 thomas got_privsep_recv_painted_commit_cb cb, void *cb_arg, struct imsgbuf *ibuf)
3496 ec2b23c5 2022-07-01 thomas const struct got_error *err = NULL;
3497 ec2b23c5 2022-07-01 thomas struct imsg imsg;
3498 ec2b23c5 2022-07-01 thomas struct got_imsg_painted_commits icommits;
3499 ec2b23c5 2022-07-01 thomas struct got_imsg_painted_commit icommit;
3500 ec2b23c5 2022-07-01 thomas size_t datalen;
3503 ec2b23c5 2022-07-01 thomas for (;;) {
3504 ec2b23c5 2022-07-01 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3505 ec2b23c5 2022-07-01 thomas if (err)
3506 ec2b23c5 2022-07-01 thomas return err;
3508 ec2b23c5 2022-07-01 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3509 ec2b23c5 2022-07-01 thomas if (imsg.hdr.type == GOT_IMSG_COMMIT_PAINTING_DONE)
3511 ec2b23c5 2022-07-01 thomas if (imsg.hdr.type != GOT_IMSG_PAINTED_COMMITS)
3512 ec2b23c5 2022-07-01 thomas return got_error(GOT_ERR_PRIVSEP_MSG);
3514 ec2b23c5 2022-07-01 thomas if (datalen < sizeof(icommits))
3515 ec2b23c5 2022-07-01 thomas return got_error(GOT_ERR_PRIVSEP_LEN);
3516 ec2b23c5 2022-07-01 thomas memcpy(&icommits, imsg.data, sizeof(icommits));
3517 ec2b23c5 2022-07-01 thomas if (icommits.ncommits * sizeof(icommit) < icommits.ncommits ||
3518 ec2b23c5 2022-07-01 thomas datalen < sizeof(icommits) +
3519 ec2b23c5 2022-07-01 thomas icommits.ncommits * sizeof(icommit))
3520 ec2b23c5 2022-07-01 thomas return got_error(GOT_ERR_PRIVSEP_LEN);
3522 ec2b23c5 2022-07-01 thomas for (i = 0; i < icommits.ncommits; i++) {
3523 ec2b23c5 2022-07-01 thomas memcpy(&icommit,
3524 ec2b23c5 2022-07-01 thomas (uint8_t *)imsg.data + sizeof(icommits) + i * sizeof(icommit),
3525 ec2b23c5 2022-07-01 thomas sizeof(icommit));
3527 ec2b23c5 2022-07-01 thomas if (icommits.present_in_pack) {
3528 ec2b23c5 2022-07-01 thomas struct got_object_id id;
3529 ec2b23c5 2022-07-01 thomas memcpy(id.sha1, icommit.id, SHA1_DIGEST_LENGTH);
3530 ec2b23c5 2022-07-01 thomas err = cb(cb_arg, &id, icommit.color);
3531 ec2b23c5 2022-07-01 thomas if (err)
3533 ec2b23c5 2022-07-01 thomas } else {
3534 ec2b23c5 2022-07-01 thomas struct got_object_qid *qid;
3535 ec2b23c5 2022-07-01 thomas err = got_object_qid_alloc_partial(&qid);
3536 ec2b23c5 2022-07-01 thomas if (err)
3538 ec2b23c5 2022-07-01 thomas memcpy(qid->id.sha1, icommit.id,
3539 ec2b23c5 2022-07-01 thomas SHA1_DIGEST_LENGTH);
3540 ec2b23c5 2022-07-01 thomas qid->data = (void *)icommit.color;
3541 ec2b23c5 2022-07-01 thomas STAILQ_INSERT_TAIL(new_ids, qid, entry);
3545 ec2b23c5 2022-07-01 thomas imsg_free(&imsg);
3548 f9c2e8e5 2022-02-13 thomas return err;
3551 f9c2e8e5 2022-02-13 thomas const struct got_error *
3552 63219cd2 2019-01-04 stsp got_privsep_unveil_exec_helpers(void)
3554 c39c25dd 2019-08-09 stsp const char *helpers[] = {
3555 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_PACK,
3556 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_OBJECT,
3557 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_COMMIT,
3558 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TREE,
3559 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_BLOB,
3560 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TAG,
3561 aba9c984 2019-09-08 stsp GOT_PATH_PROG_READ_GITCONFIG,
3562 257add31 2020-09-09 stsp GOT_PATH_PROG_READ_GOTCONFIG,
3563 069bbb86 2022-03-07 thomas GOT_PATH_PROG_READ_PATCH,
3564 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_FETCH_PACK,
3565 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_INDEX_PACK,
3566 f8a36e22 2021-08-26 stsp GOT_PATH_PROG_SEND_PACK,
3570 c39c25dd 2019-08-09 stsp for (i = 0; i < nitems(helpers); i++) {
3571 c39c25dd 2019-08-09 stsp if (unveil(helpers[i], "x") == 0)
3573 c39c25dd 2019-08-09 stsp return got_error_from_errno2("unveil", helpers[i]);
3576 63219cd2 2019-01-04 stsp return NULL;
3580 aba9c984 2019-09-08 stsp got_privsep_exec_child(int imsg_fds[2], const char *path, const char *repo_path)
3582 08578a35 2021-01-22 stsp if (close(imsg_fds[0]) == -1) {
3583 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3587 aba9c984 2019-09-08 stsp if (dup2(imsg_fds[1], GOT_IMSG_FD_CHILD) == -1) {
3588 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3592 ce95518e 2021-12-10 thomas closefrom(GOT_IMSG_FD_CHILD + 1);
3594 aba9c984 2019-09-08 stsp if (execl(path, path, repo_path, (char *)NULL) == -1) {
3595 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s: %s\n", getprogname(), path,
3596 aba9c984 2019-09-08 stsp strerror(errno));