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 588a8092 2023-02-23 thomas #include <sha1.h>
34 588a8092 2023-02-23 thomas #include <sha2.h>
35 81a12da5 2020-09-09 naddy #include <unistd.h>
36 2178c42e 2018-04-22 stsp #include <zlib.h>
38 dd038bc6 2021-09-21 thomas.ad #include "got_compat.h"
40 2178c42e 2018-04-22 stsp #include "got_object.h"
41 2178c42e 2018-04-22 stsp #include "got_error.h"
42 3022d272 2019-11-14 stsp #include "got_path.h"
43 cd95becd 2019-11-29 stsp #include "got_repository.h"
45 2178c42e 2018-04-22 stsp #include "got_lib_sha1.h"
46 2178c42e 2018-04-22 stsp #include "got_lib_delta.h"
47 63581804 2018-07-09 stsp #include "got_lib_inflate.h"
48 2178c42e 2018-04-22 stsp #include "got_lib_object.h"
49 a440fac0 2018-09-06 stsp #include "got_lib_object_parse.h"
50 2178c42e 2018-04-22 stsp #include "got_lib_privsep.h"
51 876c234b 2018-09-10 stsp #include "got_lib_pack.h"
52 3efd8e31 2022-10-23 thomas #include "got_lib_poll.h"
54 ef20f542 2022-06-26 thomas #include "got_privsep.h"
57 2178c42e 2018-04-22 stsp #define MIN(_a,_b) ((_a) < (_b) ? (_a) : (_b))
60 c39c25dd 2019-08-09 stsp #ifndef nitems
61 c39c25dd 2019-08-09 stsp #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
64 2178c42e 2018-04-22 stsp static const struct got_error *
65 e033d803 2018-04-23 stsp read_imsg(struct imsgbuf *ibuf)
67 fe36cf76 2018-04-23 stsp const struct got_error *err;
70 3efd8e31 2022-10-23 thomas err = got_poll_fd(ibuf->fd, POLLIN, INFTIM);
71 3efd8e31 2022-10-23 thomas if (err) {
72 3efd8e31 2022-10-23 thomas if (err->code == GOT_ERR_EOF)
73 3efd8e31 2022-10-23 thomas return got_error(GOT_ERR_PRIVSEP_PIPE);
74 ff470224 2022-05-19 thomas return err;
77 fe36cf76 2018-04-23 stsp n = imsg_read(ibuf);
78 fe36cf76 2018-04-23 stsp if (n == -1) {
79 fe36cf76 2018-04-23 stsp if (errno == EAGAIN) /* Could be a file-descriptor leak. */
80 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_NO_FD);
81 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_READ);
84 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_PIPE);
86 e033d803 2018-04-23 stsp return NULL;
89 ad242220 2018-09-08 stsp const struct got_error *
90 876c234b 2018-09-10 stsp got_privsep_wait_for_child(pid_t pid)
92 876c234b 2018-09-10 stsp int child_status;
94 2cb49fa8 2019-05-10 stsp if (waitpid(pid, &child_status, 0) == -1)
95 638f9024 2019-05-13 stsp return got_error_from_errno("waitpid");
97 876c234b 2018-09-10 stsp if (!WIFEXITED(child_status))
98 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_DIED);
100 876c234b 2018-09-10 stsp if (WEXITSTATUS(child_status) != 0)
101 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_EXIT);
103 876c234b 2018-09-10 stsp return NULL;
106 73b7854a 2018-11-11 stsp static const struct got_error *
107 73b7854a 2018-11-11 stsp recv_imsg_error(struct imsg *imsg, size_t datalen)
109 73b7854a 2018-11-11 stsp struct got_imsg_error *ierr;
111 73b7854a 2018-11-11 stsp if (datalen != sizeof(*ierr))
112 73b7854a 2018-11-11 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
114 73b7854a 2018-11-11 stsp ierr = imsg->data;
115 73b7854a 2018-11-11 stsp if (ierr->code == GOT_ERR_ERRNO) {
116 73b7854a 2018-11-11 stsp static struct got_error serr;
117 73b7854a 2018-11-11 stsp serr.code = GOT_ERR_ERRNO;
118 73b7854a 2018-11-11 stsp serr.msg = strerror(ierr->errno_code);
119 73b7854a 2018-11-11 stsp return &serr;
122 73b7854a 2018-11-11 stsp return got_error(ierr->code);
125 876c234b 2018-09-10 stsp const struct got_error *
126 46de5bfd 2018-11-11 stsp got_privsep_recv_imsg(struct imsg *imsg, struct imsgbuf *ibuf,
127 46de5bfd 2018-11-11 stsp size_t min_datalen)
129 e033d803 2018-04-23 stsp const struct got_error *err;
132 e033d803 2018-04-23 stsp n = imsg_get(ibuf, imsg);
133 876c234b 2018-09-10 stsp if (n == -1)
134 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_get");
136 876c234b 2018-09-10 stsp while (n == 0) {
137 876c234b 2018-09-10 stsp err = read_imsg(ibuf);
139 876c234b 2018-09-10 stsp return err;
140 876c234b 2018-09-10 stsp n = imsg_get(ibuf, imsg);
141 cbfaaf20 2020-01-06 stsp if (n == -1)
142 cbfaaf20 2020-01-06 stsp return got_error_from_errno("imsg_get");
145 fe36cf76 2018-04-23 stsp if (imsg->hdr.len < IMSG_HEADER_SIZE + min_datalen)
146 c4eae628 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
148 73b7854a 2018-11-11 stsp if (imsg->hdr.type == GOT_IMSG_ERROR) {
149 73b7854a 2018-11-11 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
150 73b7854a 2018-11-11 stsp return recv_imsg_error(imsg, datalen);
153 73b7854a 2018-11-11 stsp return NULL;
156 2178c42e 2018-04-22 stsp /* Attempt to send an error in an imsg. Complain on stderr as a last resort. */
158 2178c42e 2018-04-22 stsp got_privsep_send_error(struct imsgbuf *ibuf, const struct got_error *err)
160 2178c42e 2018-04-22 stsp const struct got_error *poll_err;
161 2178c42e 2018-04-22 stsp struct got_imsg_error ierr;
164 2178c42e 2018-04-22 stsp ierr.code = err->code;
165 2178c42e 2018-04-22 stsp if (err->code == GOT_ERR_ERRNO)
166 2178c42e 2018-04-22 stsp ierr.errno_code = errno;
168 2178c42e 2018-04-22 stsp ierr.errno_code = 0;
169 2178c42e 2018-04-22 stsp ret = imsg_compose(ibuf, GOT_IMSG_ERROR, 0, 0, -1, &ierr, sizeof(ierr));
170 e93cd828 2018-11-11 stsp if (ret == -1) {
171 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_compose: %s\n",
172 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
176 3efd8e31 2022-10-23 thomas poll_err = got_poll_fd(ibuf->fd, POLLOUT, INFTIM);
177 5d43e84d 2018-04-23 stsp if (poll_err) {
178 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": poll: %s\n",
179 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, poll_err->msg);
183 2178c42e 2018-04-22 stsp ret = imsg_flush(ibuf);
184 5d43e84d 2018-04-23 stsp if (ret == -1) {
185 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_flush: %s\n",
186 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
187 e2752401 2022-02-16 thomas imsg_clear(ibuf);
192 e033d803 2018-04-23 stsp static const struct got_error *
193 e033d803 2018-04-23 stsp flush_imsg(struct imsgbuf *ibuf)
195 e033d803 2018-04-23 stsp const struct got_error *err;
197 3efd8e31 2022-10-23 thomas err = got_poll_fd(ibuf->fd, POLLOUT, INFTIM);
199 e033d803 2018-04-23 stsp return err;
201 e2752401 2022-02-16 thomas if (imsg_flush(ibuf) == -1) {
202 e2752401 2022-02-16 thomas imsg_clear(ibuf);
203 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_flush");
206 e033d803 2018-04-23 stsp return NULL;
209 ad242220 2018-09-08 stsp const struct got_error *
210 e70bf110 2020-03-22 stsp got_privsep_flush_imsg(struct imsgbuf *ibuf)
212 e70bf110 2020-03-22 stsp return flush_imsg(ibuf);
215 e70bf110 2020-03-22 stsp const struct got_error *
216 ad242220 2018-09-08 stsp got_privsep_send_stop(int fd)
218 ad242220 2018-09-08 stsp const struct got_error *err = NULL;
219 ad242220 2018-09-08 stsp struct imsgbuf ibuf;
221 ad242220 2018-09-08 stsp imsg_init(&ibuf, fd);
223 ad242220 2018-09-08 stsp if (imsg_compose(&ibuf, GOT_IMSG_STOP, 0, 0, -1, NULL, 0) == -1)
224 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose STOP");
226 ad242220 2018-09-08 stsp err = flush_imsg(&ibuf);
227 ad242220 2018-09-08 stsp return err;
230 93658fb9 2020-03-18 stsp const struct got_error *
231 d5c81d44 2021-07-08 stsp got_privsep_send_obj_req(struct imsgbuf *ibuf, int fd,
232 d5c81d44 2021-07-08 stsp struct got_object_id *id)
234 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT_REQUEST, 0, 0, fd,
235 d5c81d44 2021-07-08 stsp id, sizeof(*id)) == -1)
236 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT_REQUEST");
238 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
241 59d1e4a0 2021-03-10 stsp const struct got_error *
242 d5c81d44 2021-07-08 stsp got_privsep_send_raw_obj_req(struct imsgbuf *ibuf, int fd,
243 d5c81d44 2021-07-08 stsp struct got_object_id *id)
245 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_OBJECT_REQUEST, 0, 0, fd,
246 d5c81d44 2021-07-08 stsp id, sizeof(*id)) == -1)
247 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose RAW_OBJECT_REQUEST");
249 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
252 59d1e4a0 2021-03-10 stsp const struct got_error *
253 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj_outfd(struct imsgbuf *ibuf, int outfd)
255 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
257 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_OBJECT_OUTFD, 0, 0, outfd, NULL, 0)
259 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_compose RAW_OBJECT_OUTFD");
260 59d1e4a0 2021-03-10 stsp close(outfd);
261 59d1e4a0 2021-03-10 stsp return err;
264 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
267 59d1e4a0 2021-03-10 stsp const struct got_error *
268 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj(struct imsgbuf *ibuf, off_t size, size_t hdrlen,
269 59d1e4a0 2021-03-10 stsp uint8_t *data)
271 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
272 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj iobj;
273 59d1e4a0 2021-03-10 stsp size_t len = sizeof(iobj);
274 59d1e4a0 2021-03-10 stsp struct ibuf *wbuf;
276 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
277 59d1e4a0 2021-03-10 stsp iobj.hdrlen = hdrlen;
278 59d1e4a0 2021-03-10 stsp iobj.size = size;
280 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX)
281 a8591711 2021-06-18 stsp len += (size_t)size + hdrlen;
283 59d1e4a0 2021-03-10 stsp wbuf = imsg_create(ibuf, GOT_IMSG_RAW_OBJECT, 0, 0, len);
284 59d1e4a0 2021-03-10 stsp if (wbuf == NULL) {
285 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_create RAW_OBJECT");
286 59d1e4a0 2021-03-10 stsp return err;
289 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &iobj, sizeof(iobj)) == -1)
290 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add RAW_OBJECT");
292 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
293 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, data, size + hdrlen) == -1)
294 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add RAW_OBJECT");
297 59d1e4a0 2021-03-10 stsp wbuf->fd = -1;
298 59d1e4a0 2021-03-10 stsp imsg_close(ibuf, wbuf);
300 1785f84a 2018-12-23 stsp return flush_imsg(ibuf);
303 1785f84a 2018-12-23 stsp const struct got_error *
304 59d1e4a0 2021-03-10 stsp got_privsep_recv_raw_obj(uint8_t **outbuf, off_t *size, size_t *hdrlen,
305 59d1e4a0 2021-03-10 stsp struct imsgbuf *ibuf)
307 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
308 59d1e4a0 2021-03-10 stsp struct imsg imsg;
309 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj *iobj;
310 59d1e4a0 2021-03-10 stsp size_t datalen;
312 59d1e4a0 2021-03-10 stsp *outbuf = NULL;
314 59d1e4a0 2021-03-10 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
316 59d1e4a0 2021-03-10 stsp return err;
318 59d1e4a0 2021-03-10 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
320 59d1e4a0 2021-03-10 stsp switch (imsg.hdr.type) {
321 59d1e4a0 2021-03-10 stsp case GOT_IMSG_RAW_OBJECT:
322 59d1e4a0 2021-03-10 stsp if (datalen < sizeof(*iobj)) {
323 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
326 59d1e4a0 2021-03-10 stsp iobj = imsg.data;
327 59d1e4a0 2021-03-10 stsp *size = iobj->size;
328 59d1e4a0 2021-03-10 stsp *hdrlen = iobj->hdrlen;
330 59d1e4a0 2021-03-10 stsp if (datalen == sizeof(*iobj)) {
331 59d1e4a0 2021-03-10 stsp /* Data has been written to file descriptor. */
335 31d32634 2022-06-23 thomas if (*size < 0 ||
336 31d32634 2022-06-23 thomas *size + *hdrlen > GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
337 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
341 a8591711 2021-06-18 stsp *outbuf = malloc(*size + *hdrlen);
342 59d1e4a0 2021-03-10 stsp if (*outbuf == NULL) {
343 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("malloc");
346 a8591711 2021-06-18 stsp memcpy(*outbuf, imsg.data + sizeof(*iobj), *size + *hdrlen);
349 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
353 59d1e4a0 2021-03-10 stsp imsg_free(&imsg);
355 59d1e4a0 2021-03-10 stsp return err;
358 59d1e4a0 2021-03-10 stsp const struct got_error *
359 1785f84a 2018-12-23 stsp got_privsep_send_commit_req(struct imsgbuf *ibuf, int fd,
360 1785f84a 2018-12-23 stsp struct got_object_id *id, int pack_idx)
362 41496140 2019-02-21 stsp const struct got_error *err = NULL;
363 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
364 d5c81d44 2021-07-08 stsp void *data;
365 1785f84a 2018-12-23 stsp size_t len;
367 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
368 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* commit is packed */
369 1785f84a 2018-12-23 stsp iobj.idx = pack_idx;
370 b6f67730 2023-02-03 thomas memcpy(&iobj.id, id, sizeof(iobj.id));
371 d5c81d44 2021-07-08 stsp data = &iobj;
372 1785f84a 2018-12-23 stsp len = sizeof(iobj);
375 d5c81d44 2021-07-08 stsp len = sizeof(*id);
378 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_REQUEST, 0, 0, fd, data, len)
380 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT_REQUEST");
382 41496140 2019-02-21 stsp return err;
385 13c729f7 2018-12-24 stsp return flush_imsg(ibuf);
388 13c729f7 2018-12-24 stsp const struct got_error *
389 13c729f7 2018-12-24 stsp got_privsep_send_tree_req(struct imsgbuf *ibuf, int fd,
390 13c729f7 2018-12-24 stsp struct got_object_id *id, int pack_idx)
392 7f358e3b 2019-11-23 stsp struct ibuf *wbuf;
393 d5c81d44 2021-07-08 stsp size_t len;
395 d5c81d44 2021-07-08 stsp if (pack_idx != -1)
396 d5c81d44 2021-07-08 stsp len = sizeof(struct got_imsg_packed_object);
398 d5c81d44 2021-07-08 stsp len = sizeof(*id);
400 7f358e3b 2019-11-23 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_REQUEST, 0, 0, len);
401 7f358e3b 2019-11-23 stsp if (wbuf == NULL)
402 7f358e3b 2019-11-23 stsp return got_error_from_errno("imsg_create TREE_REQUEST");
404 fc842fc8 2023-02-03 thomas if (imsg_add(wbuf, id, sizeof(*id)) == -1)
405 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_REQUEST");
407 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tree is packed */
408 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &pack_idx, sizeof(pack_idx)) == -1)
409 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_REQUEST");
412 7f358e3b 2019-11-23 stsp wbuf->fd = fd;
413 7f358e3b 2019-11-23 stsp imsg_close(ibuf, wbuf);
415 268f7291 2018-12-24 stsp return flush_imsg(ibuf);
418 268f7291 2018-12-24 stsp const struct got_error *
419 268f7291 2018-12-24 stsp got_privsep_send_tag_req(struct imsgbuf *ibuf, int fd,
420 268f7291 2018-12-24 stsp struct got_object_id *id, int pack_idx)
422 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
423 d5c81d44 2021-07-08 stsp void *data;
424 268f7291 2018-12-24 stsp size_t len;
426 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
427 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tag is packed */
428 268f7291 2018-12-24 stsp iobj.idx = pack_idx;
429 b6f67730 2023-02-03 thomas memcpy(&iobj.id, id, sizeof(iobj.id));
430 d5c81d44 2021-07-08 stsp data = &iobj;
431 268f7291 2018-12-24 stsp len = sizeof(iobj);
434 d5c81d44 2021-07-08 stsp len = sizeof(*id);
437 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_REQUEST, 0, 0, fd, data, len)
439 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose TAG_REQUEST");
441 7762fe12 2018-11-05 stsp return flush_imsg(ibuf);
444 7762fe12 2018-11-05 stsp const struct got_error *
445 ebc55e2d 2018-12-24 stsp got_privsep_send_blob_req(struct imsgbuf *ibuf, int infd,
446 ebc55e2d 2018-12-24 stsp struct got_object_id *id, int pack_idx)
448 41496140 2019-02-21 stsp const struct got_error *err = NULL;
449 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
450 d5c81d44 2021-07-08 stsp void *data;
451 ebc55e2d 2018-12-24 stsp size_t len;
453 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
454 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* blob is packed */
455 ebc55e2d 2018-12-24 stsp iobj.idx = pack_idx;
456 b6f67730 2023-02-03 thomas memcpy(&iobj.id, id, sizeof(iobj.id));
457 d5c81d44 2021-07-08 stsp data = &iobj;
458 ebc55e2d 2018-12-24 stsp len = sizeof(iobj);
461 d5c81d44 2021-07-08 stsp len = sizeof(*id);
464 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_REQUEST, 0, 0, infd, data, len)
466 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_REQUEST");
467 41496140 2019-02-21 stsp close(infd);
468 41496140 2019-02-21 stsp return err;
471 55da3778 2018-09-10 stsp return flush_imsg(ibuf);
474 55da3778 2018-09-10 stsp const struct got_error *
475 55da3778 2018-09-10 stsp got_privsep_send_blob_outfd(struct imsgbuf *ibuf, int outfd)
477 41496140 2019-02-21 stsp const struct got_error *err = NULL;
479 ad242220 2018-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_OUTFD, 0, 0, outfd, NULL, 0)
481 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_OUTFD");
482 41496140 2019-02-21 stsp close(outfd);
483 41496140 2019-02-21 stsp return err;
486 3840f4c9 2018-09-12 stsp return flush_imsg(ibuf);
489 73ab1060 2020-03-18 stsp static const struct got_error *
490 73ab1060 2020-03-18 stsp send_fd(struct imsgbuf *ibuf, int imsg_code, int fd)
492 41496140 2019-02-21 stsp const struct got_error *err = NULL;
494 73ab1060 2020-03-18 stsp if (imsg_compose(ibuf, imsg_code, 0, 0, fd, NULL, 0) == -1) {
495 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TMPFD");
497 41496140 2019-02-21 stsp return err;
500 ad242220 2018-09-08 stsp return flush_imsg(ibuf);
503 ad242220 2018-09-08 stsp const struct got_error *
504 73ab1060 2020-03-18 stsp got_privsep_send_tmpfd(struct imsgbuf *ibuf, int fd)
506 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_TMPFD, fd);
509 73ab1060 2020-03-18 stsp const struct got_error *
510 876c234b 2018-09-10 stsp got_privsep_send_obj(struct imsgbuf *ibuf, struct got_object *obj)
512 2178c42e 2018-04-22 stsp struct got_imsg_object iobj;
514 1bb2bba2 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
516 fc842fc8 2023-02-03 thomas memcpy(&iobj.id, &obj->id, sizeof(iobj.id));
517 2178c42e 2018-04-22 stsp iobj.type = obj->type;
518 2178c42e 2018-04-22 stsp iobj.flags = obj->flags;
519 2178c42e 2018-04-22 stsp iobj.hdrlen = obj->hdrlen;
520 2178c42e 2018-04-22 stsp iobj.size = obj->size;
521 c59b3346 2018-09-11 stsp if (iobj.flags & GOT_OBJ_FLAG_PACKED) {
522 876c234b 2018-09-10 stsp iobj.pack_offset = obj->pack_offset;
523 c59b3346 2018-09-11 stsp iobj.pack_idx = obj->pack_idx;
526 2178c42e 2018-04-22 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT, 0, 0, -1, &iobj, sizeof(iobj))
528 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT");
530 c59b3346 2018-09-11 stsp return flush_imsg(ibuf);
533 cfd633c2 2018-09-10 stsp const struct got_error *
534 33501562 2020-03-18 stsp got_privsep_send_fetch_req(struct imsgbuf *ibuf, int fd,
535 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs, int fetch_all_branches,
536 abc59930 2021-09-05 naddy struct got_pathlist_head *wanted_branches,
537 9d0a7ee3 2023-02-07 thomas struct got_pathlist_head *wanted_refs, int list_refs_only,
538 7abf1863 2023-02-20 thomas const char *worktree_branch, const char *remote_head,
539 7abf1863 2023-02-20 thomas int no_head, int verbosity)
541 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
542 33501562 2020-03-18 stsp struct ibuf *wbuf;
543 33501562 2020-03-18 stsp struct got_pathlist_entry *pe;
544 4ba14133 2020-03-20 stsp struct got_imsg_fetch_request fetchreq;
545 7abf1863 2023-02-20 thomas size_t remote_head_len, worktree_branch_len, len = sizeof(fetchreq);
547 84073f62 2023-02-07 thomas if (worktree_branch) {
548 84073f62 2023-02-07 thomas worktree_branch_len = strlen(worktree_branch);
549 7abf1863 2023-02-20 thomas len += worktree_branch_len;
551 7abf1863 2023-02-20 thomas if (remote_head) {
552 7abf1863 2023-02-20 thomas remote_head_len = strlen(remote_head);
553 7abf1863 2023-02-20 thomas len += remote_head_len;
556 9d0a7ee3 2023-02-07 thomas if (len >= MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
557 9d0a7ee3 2023-02-07 thomas close(fd);
558 9d0a7ee3 2023-02-07 thomas return got_error(GOT_ERR_NO_SPACE);
561 9d0a7ee3 2023-02-07 thomas wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_REQUEST, 0, 0, len);
562 9d0a7ee3 2023-02-07 thomas if (wbuf == NULL)
563 9d0a7ee3 2023-02-07 thomas return got_error_from_errno("imsg_create FETCH_HAVE_REF");
565 4ba14133 2020-03-20 stsp memset(&fetchreq, 0, sizeof(fetchreq));
566 e0380e3d 2023-02-17 thomas fetchreq.no_head = no_head;
567 4ba14133 2020-03-20 stsp fetchreq.fetch_all_branches = fetch_all_branches;
568 41b0de12 2020-03-21 stsp fetchreq.list_refs_only = list_refs_only;
569 2690194b 2020-03-21 stsp fetchreq.verbosity = verbosity;
570 9d0a7ee3 2023-02-07 thomas if (worktree_branch != NULL)
571 84073f62 2023-02-07 thomas fetchreq.worktree_branch_len = worktree_branch_len;
572 7abf1863 2023-02-20 thomas if (remote_head != NULL)
573 7abf1863 2023-02-20 thomas fetchreq.remote_head_len = remote_head_len;
574 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, have_refs, entry)
575 4ba14133 2020-03-20 stsp fetchreq.n_have_refs++;
576 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry)
577 4ba14133 2020-03-20 stsp fetchreq.n_wanted_branches++;
578 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry)
579 0e4002ca 2020-03-21 stsp fetchreq.n_wanted_refs++;
580 9d0a7ee3 2023-02-07 thomas if (imsg_add(wbuf, &fetchreq, sizeof(fetchreq)) == -1)
581 9d0a7ee3 2023-02-07 thomas return got_error_from_errno("imsg_add FETCH_REQUEST");
582 9d0a7ee3 2023-02-07 thomas if (worktree_branch) {
583 84073f62 2023-02-07 thomas if (imsg_add(wbuf, worktree_branch, worktree_branch_len) == -1)
584 9d0a7ee3 2023-02-07 thomas return got_error_from_errno("imsg_add FETCH_REQUEST");
586 7abf1863 2023-02-20 thomas if (remote_head) {
587 7abf1863 2023-02-20 thomas if (imsg_add(wbuf, remote_head, remote_head_len) == -1)
588 7abf1863 2023-02-20 thomas return got_error_from_errno("imsg_add FETCH_REQUEST");
590 9d0a7ee3 2023-02-07 thomas wbuf->fd = fd;
591 9d0a7ee3 2023-02-07 thomas imsg_close(ibuf, wbuf);
593 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
596 659e7fbd 2020-03-20 stsp return err;
600 33501562 2020-03-18 stsp TAILQ_FOREACH(pe, have_refs, entry) {
601 33501562 2020-03-18 stsp const char *name = pe->path;
602 33501562 2020-03-18 stsp size_t name_len = pe->path_len;
603 33501562 2020-03-18 stsp struct got_object_id *id = pe->data;
605 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_have_ref) + name_len;
606 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_HAVE_REF, 0, 0, len);
607 4ba14133 2020-03-20 stsp if (wbuf == NULL)
608 4ba14133 2020-03-20 stsp return got_error_from_errno("imsg_create FETCH_HAVE_REF");
610 33501562 2020-03-18 stsp /* Keep in sync with struct got_imsg_fetch_have_ref! */
611 f9f54468 2023-02-03 thomas if (imsg_add(wbuf, id, sizeof(*id)) == -1)
612 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add FETCH_HAVE_REF");
613 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
614 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add FETCH_HAVE_REF");
615 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
616 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add FETCH_HAVE_REF");
618 4ba14133 2020-03-20 stsp wbuf->fd = -1;
619 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
620 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
622 4ba14133 2020-03-20 stsp return err;
625 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry) {
626 4ba14133 2020-03-20 stsp const char *name = pe->path;
627 4ba14133 2020-03-20 stsp size_t name_len = pe->path_len;
629 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_wanted_branch) + name_len;
630 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_BRANCH, 0, 0,
632 4ba14133 2020-03-20 stsp if (wbuf == NULL)
633 4ba14133 2020-03-20 stsp return got_error_from_errno(
634 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_BRANCH");
636 4ba14133 2020-03-20 stsp /* Keep in sync with struct got_imsg_fetch_wanted_branch! */
637 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
638 e9f1a409 2022-05-19 thomas return got_error_from_errno(
639 4ba14133 2020-03-20 stsp "imsg_add FETCH_WANTED_BRANCH");
640 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
641 e9f1a409 2022-05-19 thomas return got_error_from_errno(
642 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_BRANCH");
644 4ba14133 2020-03-20 stsp wbuf->fd = -1;
645 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
646 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
648 4ba14133 2020-03-20 stsp return err;
651 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry) {
652 0e4002ca 2020-03-21 stsp const char *name = pe->path;
653 0e4002ca 2020-03-21 stsp size_t name_len = pe->path_len;
655 0e4002ca 2020-03-21 stsp len = sizeof(struct got_imsg_fetch_wanted_ref) + name_len;
656 0e4002ca 2020-03-21 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_REF, 0, 0,
658 0e4002ca 2020-03-21 stsp if (wbuf == NULL)
659 0e4002ca 2020-03-21 stsp return got_error_from_errno(
660 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_REF");
662 0e4002ca 2020-03-21 stsp /* Keep in sync with struct got_imsg_fetch_wanted_ref! */
663 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
664 e9f1a409 2022-05-19 thomas return got_error_from_errno(
665 0e4002ca 2020-03-21 stsp "imsg_add FETCH_WANTED_REF");
666 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
667 e9f1a409 2022-05-19 thomas return got_error_from_errno(
668 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_REF");
670 0e4002ca 2020-03-21 stsp wbuf->fd = -1;
671 0e4002ca 2020-03-21 stsp imsg_close(ibuf, wbuf);
672 0e4002ca 2020-03-21 stsp err = flush_imsg(ibuf);
674 0e4002ca 2020-03-21 stsp return err;
678 4ba14133 2020-03-20 stsp return NULL;
682 93658fb9 2020-03-18 stsp const struct got_error *
683 f826addf 2020-03-18 stsp got_privsep_send_fetch_outfd(struct imsgbuf *ibuf, int fd)
685 f826addf 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_FETCH_OUTFD, fd);
688 531c3985 2020-03-18 stsp const struct got_error *
689 8f2d01a6 2020-03-18 stsp got_privsep_recv_fetch_progress(int *done, struct got_object_id **id,
690 531c3985 2020-03-18 stsp char **refname, struct got_pathlist_head *symrefs, char **server_progress,
691 1d72a2a0 2020-03-24 stsp off_t *packfile_size, uint8_t *pack_sha1, struct imsgbuf *ibuf)
693 b9f99abf 2020-03-18 stsp const struct got_error *err = NULL;
694 b9f99abf 2020-03-18 stsp struct imsg imsg;
695 b9f99abf 2020-03-18 stsp size_t datalen;
696 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symrefs *isymrefs = NULL;
697 abe0f35f 2020-03-18 stsp size_t n, remain;
702 8f2d01a6 2020-03-18 stsp *id = NULL;
703 b9f99abf 2020-03-18 stsp *refname = NULL;
704 531c3985 2020-03-18 stsp *server_progress = NULL;
705 5a489642 2020-03-19 stsp *packfile_size = 0;
706 1d72a2a0 2020-03-24 stsp memset(pack_sha1, 0, SHA1_DIGEST_LENGTH);
708 531c3985 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
710 b9f99abf 2020-03-18 stsp return err;
712 b9f99abf 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
713 b9f99abf 2020-03-18 stsp switch (imsg.hdr.type) {
714 abe0f35f 2020-03-18 stsp case GOT_IMSG_FETCH_SYMREFS:
715 abe0f35f 2020-03-18 stsp if (datalen < sizeof(*isymrefs)) {
716 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
719 abe0f35f 2020-03-18 stsp if (isymrefs != NULL) {
720 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
723 abe0f35f 2020-03-18 stsp isymrefs = (struct got_imsg_fetch_symrefs *)imsg.data;
724 abe0f35f 2020-03-18 stsp off = sizeof(*isymrefs);
725 abe0f35f 2020-03-18 stsp remain = datalen - off;
726 abe0f35f 2020-03-18 stsp for (n = 0; n < isymrefs->nsymrefs; n++) {
727 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symref *s;
728 abe0f35f 2020-03-18 stsp char *name, *target;
729 abe0f35f 2020-03-18 stsp if (remain < sizeof(struct got_imsg_fetch_symref)) {
730 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
733 abe0f35f 2020-03-18 stsp s = (struct got_imsg_fetch_symref *)(imsg.data + off);
734 abe0f35f 2020-03-18 stsp off += sizeof(*s);
735 abe0f35f 2020-03-18 stsp remain -= sizeof(*s);
736 abe0f35f 2020-03-18 stsp if (remain < s->name_len) {
737 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
740 abe0f35f 2020-03-18 stsp name = strndup(imsg.data + off, s->name_len);
741 abe0f35f 2020-03-18 stsp if (name == NULL) {
742 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
745 abe0f35f 2020-03-18 stsp off += s->name_len;
746 abe0f35f 2020-03-18 stsp remain -= s->name_len;
747 abe0f35f 2020-03-18 stsp if (remain < s->target_len) {
748 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
749 abe0f35f 2020-03-18 stsp free(name);
752 abe0f35f 2020-03-18 stsp target = strndup(imsg.data + off, s->target_len);
753 abe0f35f 2020-03-18 stsp if (target == NULL) {
754 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
755 abe0f35f 2020-03-18 stsp free(name);
758 abe0f35f 2020-03-18 stsp off += s->target_len;
759 abe0f35f 2020-03-18 stsp remain -= s->target_len;
760 abe0f35f 2020-03-18 stsp err = got_pathlist_append(symrefs, name, target);
762 abe0f35f 2020-03-18 stsp free(name);
763 abe0f35f 2020-03-18 stsp free(target);
768 ea7396b9 2020-03-18 stsp case GOT_IMSG_FETCH_REF:
769 9228a15c 2023-02-03 thomas if (datalen <= sizeof(**id)) {
770 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
773 8f2d01a6 2020-03-18 stsp *id = malloc(sizeof(**id));
774 8f2d01a6 2020-03-18 stsp if (*id == NULL) {
775 b9f99abf 2020-03-18 stsp err = got_error_from_errno("malloc");
778 9228a15c 2023-02-03 thomas memcpy(*id, imsg.data, sizeof(**id));
779 9228a15c 2023-02-03 thomas *refname = strndup(imsg.data + sizeof(**id),
780 9228a15c 2023-02-03 thomas datalen - sizeof(**id));
781 b9f99abf 2020-03-18 stsp if (*refname == NULL) {
782 b9f99abf 2020-03-18 stsp err = got_error_from_errno("strndup");
786 531c3985 2020-03-18 stsp case GOT_IMSG_FETCH_SERVER_PROGRESS:
787 531c3985 2020-03-18 stsp if (datalen == 0) {
788 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
791 531c3985 2020-03-18 stsp *server_progress = strndup(imsg.data, datalen);
792 531c3985 2020-03-18 stsp if (*server_progress == NULL) {
793 531c3985 2020-03-18 stsp err = got_error_from_errno("strndup");
796 531c3985 2020-03-18 stsp for (i = 0; i < datalen; i++) {
797 531c3985 2020-03-18 stsp if (!isprint((unsigned char)(*server_progress)[i]) &&
798 531c3985 2020-03-18 stsp !isspace((unsigned char)(*server_progress)[i])) {
799 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
800 531c3985 2020-03-18 stsp free(*server_progress);
801 531c3985 2020-03-18 stsp *server_progress = NULL;
806 d2cdc636 2020-03-18 stsp case GOT_IMSG_FETCH_DOWNLOAD_PROGRESS:
807 d2cdc636 2020-03-18 stsp if (datalen < sizeof(*packfile_size)) {
808 d2cdc636 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
811 d2cdc636 2020-03-18 stsp memcpy(packfile_size, imsg.data, sizeof(*packfile_size));
813 8f2d01a6 2020-03-18 stsp case GOT_IMSG_FETCH_DONE:
814 8f2d01a6 2020-03-18 stsp if (datalen != SHA1_DIGEST_LENGTH) {
815 8f2d01a6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
818 1d72a2a0 2020-03-24 stsp memcpy(pack_sha1, imsg.data, SHA1_DIGEST_LENGTH);
822 b887aab6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
828 8f2d01a6 2020-03-18 stsp *id = NULL;
829 b887aab6 2020-03-18 stsp free(*refname);
830 b887aab6 2020-03-18 stsp *refname = NULL;
832 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
833 f8a36e22 2021-08-26 stsp return err;
836 f8a36e22 2021-08-26 stsp static const struct got_error *
837 f8a36e22 2021-08-26 stsp send_send_ref(const char *name, size_t name_len, struct got_object_id *id,
838 f8a36e22 2021-08-26 stsp int delete, struct imsgbuf *ibuf)
840 f8a36e22 2021-08-26 stsp size_t len;
841 f8a36e22 2021-08-26 stsp struct ibuf *wbuf;
843 f8a36e22 2021-08-26 stsp len = sizeof(struct got_imsg_send_ref) + name_len;
844 f8a36e22 2021-08-26 stsp wbuf = imsg_create(ibuf, GOT_IMSG_SEND_REF, 0, 0, len);
845 f8a36e22 2021-08-26 stsp if (wbuf == NULL)
846 f8a36e22 2021-08-26 stsp return got_error_from_errno("imsg_create SEND_REF");
848 f8a36e22 2021-08-26 stsp /* Keep in sync with struct got_imsg_send_ref! */
849 ea58e974 2023-02-03 thomas if (imsg_add(wbuf, id, sizeof(*id)) == -1)
850 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
851 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &delete, sizeof(delete)) == -1)
852 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
853 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
854 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
855 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
856 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
858 f8a36e22 2021-08-26 stsp wbuf->fd = -1;
859 f8a36e22 2021-08-26 stsp imsg_close(ibuf, wbuf);
860 f8a36e22 2021-08-26 stsp return flush_imsg(ibuf);
863 f8a36e22 2021-08-26 stsp const struct got_error *
864 f8a36e22 2021-08-26 stsp got_privsep_send_send_req(struct imsgbuf *ibuf, int fd,
865 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs,
866 abc59930 2021-09-05 naddy struct got_pathlist_head *delete_refs,
867 abc59930 2021-09-05 naddy int verbosity)
869 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
870 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *pe;
871 f8a36e22 2021-08-26 stsp struct got_imsg_send_request sendreq;
872 f8a36e22 2021-08-26 stsp struct got_object_id zero_id;
874 f8a36e22 2021-08-26 stsp memset(&zero_id, 0, sizeof(zero_id));
875 f8a36e22 2021-08-26 stsp memset(&sendreq, 0, sizeof(sendreq));
876 f8a36e22 2021-08-26 stsp sendreq.verbosity = verbosity;
877 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry)
878 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
879 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry)
880 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
881 f8a36e22 2021-08-26 stsp if (imsg_compose(ibuf, GOT_IMSG_SEND_REQUEST, 0, 0, fd,
882 f8a36e22 2021-08-26 stsp &sendreq, sizeof(sendreq)) == -1) {
883 f8a36e22 2021-08-26 stsp err = got_error_from_errno(
884 f8a36e22 2021-08-26 stsp "imsg_compose FETCH_SERVER_PROGRESS");
888 f8a36e22 2021-08-26 stsp err = flush_imsg(ibuf);
893 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry) {
894 f8a36e22 2021-08-26 stsp const char *name = pe->path;
895 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
896 f8a36e22 2021-08-26 stsp struct got_object_id *id = pe->data;
897 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, id, 0, ibuf);
902 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry) {
903 f8a36e22 2021-08-26 stsp const char *name = pe->path;
904 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
905 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, &zero_id, 1, ibuf);
910 f8a36e22 2021-08-26 stsp if (fd != -1 && close(fd) == -1 && err == NULL)
911 f8a36e22 2021-08-26 stsp err = got_error_from_errno("close");
912 f8a36e22 2021-08-26 stsp return err;
916 f8a36e22 2021-08-26 stsp const struct got_error *
917 f8a36e22 2021-08-26 stsp got_privsep_recv_send_remote_refs(struct got_pathlist_head *remote_refs,
918 f8a36e22 2021-08-26 stsp struct imsgbuf *ibuf)
920 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
921 f8a36e22 2021-08-26 stsp struct imsg imsg;
922 f8a36e22 2021-08-26 stsp size_t datalen;
923 f8a36e22 2021-08-26 stsp int done = 0;
924 f8a36e22 2021-08-26 stsp struct got_imsg_send_remote_ref iremote_ref;
925 f8a36e22 2021-08-26 stsp struct got_object_id *id = NULL;
926 f8a36e22 2021-08-26 stsp char *refname = NULL;
927 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *new;
929 f8a36e22 2021-08-26 stsp while (!done) {
930 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
932 f8a36e22 2021-08-26 stsp return err;
933 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
934 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
935 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REMOTE_REF:
936 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iremote_ref)) {
937 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
940 f8a36e22 2021-08-26 stsp memcpy(&iremote_ref, imsg.data, sizeof(iremote_ref));
941 f8a36e22 2021-08-26 stsp if (datalen != sizeof(iremote_ref) +
942 f8a36e22 2021-08-26 stsp iremote_ref.name_len) {
943 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
946 f8a36e22 2021-08-26 stsp id = malloc(sizeof(*id));
947 f8a36e22 2021-08-26 stsp if (id == NULL) {
948 f8a36e22 2021-08-26 stsp err = got_error_from_errno("malloc");
951 0f23036a 2023-02-03 thomas memcpy(id, &iremote_ref.id, sizeof(*id));
952 f8a36e22 2021-08-26 stsp refname = strndup(imsg.data + sizeof(iremote_ref),
953 f8a36e22 2021-08-26 stsp datalen - sizeof(iremote_ref));
954 f8a36e22 2021-08-26 stsp if (refname == NULL) {
955 f8a36e22 2021-08-26 stsp err = got_error_from_errno("strndup");
958 f8a36e22 2021-08-26 stsp err = got_pathlist_insert(&new, remote_refs,
959 f8a36e22 2021-08-26 stsp refname, id);
962 f8a36e22 2021-08-26 stsp if (new == NULL) { /* duplicate which wasn't inserted */
964 f8a36e22 2021-08-26 stsp free(refname);
967 f8a36e22 2021-08-26 stsp refname = NULL;
969 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_PACK_REQUEST:
970 f8a36e22 2021-08-26 stsp if (datalen != 0) {
971 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
974 f8a36e22 2021-08-26 stsp /* got-send-pack is now waiting for a pack file. */
978 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
984 f8a36e22 2021-08-26 stsp free(refname);
985 b9f99abf 2020-03-18 stsp imsg_free(&imsg);
986 b9f99abf 2020-03-18 stsp return err;
989 93658fb9 2020-03-18 stsp const struct got_error *
990 f8a36e22 2021-08-26 stsp got_privsep_send_packfd(struct imsgbuf *ibuf, int fd)
992 f8a36e22 2021-08-26 stsp return send_fd(ibuf, GOT_IMSG_SEND_PACKFD, fd);
995 f8a36e22 2021-08-26 stsp const struct got_error *
996 f8a36e22 2021-08-26 stsp got_privsep_recv_send_progress(int *done, off_t *bytes_sent,
997 3fe5d0fe 2022-11-17 thomas int *success, char **refname, char **errmsg, struct imsgbuf *ibuf)
999 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
1000 f8a36e22 2021-08-26 stsp struct imsg imsg;
1001 f8a36e22 2021-08-26 stsp size_t datalen;
1002 f8a36e22 2021-08-26 stsp struct got_imsg_send_ref_status iref_status;
1004 f8a36e22 2021-08-26 stsp /* Do not reset the current value of 'bytes_sent', it accumulates. */
1005 f8a36e22 2021-08-26 stsp *done = 0;
1006 f8a36e22 2021-08-26 stsp *success = 0;
1007 f8a36e22 2021-08-26 stsp *refname = NULL;
1008 3fe5d0fe 2022-11-17 thomas *errmsg = NULL;
1010 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1012 f8a36e22 2021-08-26 stsp return err;
1014 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1015 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
1016 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_UPLOAD_PROGRESS:
1017 f8a36e22 2021-08-26 stsp if (datalen < sizeof(*bytes_sent)) {
1018 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1021 f8a36e22 2021-08-26 stsp memcpy(bytes_sent, imsg.data, sizeof(*bytes_sent));
1023 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REF_STATUS:
1024 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iref_status)) {
1025 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1028 f8a36e22 2021-08-26 stsp memcpy(&iref_status, imsg.data, sizeof(iref_status));
1029 3fe5d0fe 2022-11-17 thomas if (datalen != sizeof(iref_status) + iref_status.name_len +
1030 3fe5d0fe 2022-11-17 thomas iref_status.errmsg_len) {
1031 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1034 f8a36e22 2021-08-26 stsp *success = iref_status.success;
1035 f8a36e22 2021-08-26 stsp *refname = strndup(imsg.data + sizeof(iref_status),
1036 f8a36e22 2021-08-26 stsp iref_status.name_len);
1038 3fe5d0fe 2022-11-17 thomas if (iref_status.errmsg_len != 0)
1039 3fe5d0fe 2022-11-17 thomas *errmsg = strndup(imsg.data + sizeof(iref_status) +
1040 3fe5d0fe 2022-11-17 thomas iref_status.name_len, iref_status.errmsg_len);
1042 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_DONE:
1043 f8a36e22 2021-08-26 stsp if (datalen != 0) {
1044 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1047 f8a36e22 2021-08-26 stsp *done = 1;
1050 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1054 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
1055 f8a36e22 2021-08-26 stsp return err;
1058 f8a36e22 2021-08-26 stsp const struct got_error *
1059 fd251256 2020-03-24 stsp got_privsep_send_index_pack_req(struct imsgbuf *ibuf, uint8_t *pack_sha1,
1062 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1064 668a20f6 2020-03-18 stsp /* Keep in sync with struct got_imsg_index_pack_request */
1065 93658fb9 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_IDXPACK_REQUEST, 0, 0, fd,
1066 fd251256 2020-03-24 stsp pack_sha1, SHA1_DIGEST_LENGTH) == -1) {
1067 93658fb9 2020-03-18 stsp err = got_error_from_errno("imsg_compose INDEX_REQUEST");
1068 93658fb9 2020-03-18 stsp close(fd);
1069 93658fb9 2020-03-18 stsp return err;
1071 baa9fea0 2020-03-18 stsp return flush_imsg(ibuf);
1074 baa9fea0 2020-03-18 stsp const struct got_error *
1075 73ab1060 2020-03-18 stsp got_privsep_send_index_pack_outfd(struct imsgbuf *ibuf, int fd)
1077 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_IDXPACK_OUTFD, fd);
1080 73ab1060 2020-03-18 stsp const struct got_error *
1081 668a20f6 2020-03-18 stsp got_privsep_recv_index_progress(int *done, int *nobj_total,
1082 668a20f6 2020-03-18 stsp int *nobj_indexed, int *nobj_loose, int *nobj_resolved,
1083 668a20f6 2020-03-18 stsp struct imsgbuf *ibuf)
1085 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1086 93658fb9 2020-03-18 stsp struct imsg imsg;
1087 baa9fea0 2020-03-18 stsp struct got_imsg_index_pack_progress *iprogress;
1088 baa9fea0 2020-03-18 stsp size_t datalen;
1090 baa9fea0 2020-03-18 stsp *done = 0;
1091 668a20f6 2020-03-18 stsp *nobj_total = 0;
1092 668a20f6 2020-03-18 stsp *nobj_indexed = 0;
1093 668a20f6 2020-03-18 stsp *nobj_resolved = 0;
1095 93658fb9 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1097 93658fb9 2020-03-18 stsp return err;
1099 baa9fea0 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1100 baa9fea0 2020-03-18 stsp switch (imsg.hdr.type) {
1101 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_PROGRESS:
1102 baa9fea0 2020-03-18 stsp if (datalen < sizeof(*iprogress)) {
1103 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1106 baa9fea0 2020-03-18 stsp iprogress = (struct got_imsg_index_pack_progress *)imsg.data;
1107 31d32634 2022-06-23 thomas if (iprogress->nobj_total < 0 || iprogress->nobj_indexed < 0 ||
1108 31d32634 2022-06-23 thomas iprogress->nobj_loose < 0 || iprogress->nobj_resolved < 0) {
1109 31d32634 2022-06-23 thomas err = got_error(GOT_ERR_RANGE);
1112 668a20f6 2020-03-18 stsp *nobj_total = iprogress->nobj_total;
1113 668a20f6 2020-03-18 stsp *nobj_indexed = iprogress->nobj_indexed;
1114 668a20f6 2020-03-18 stsp *nobj_loose = iprogress->nobj_loose;
1115 668a20f6 2020-03-18 stsp *nobj_resolved = iprogress->nobj_resolved;
1117 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_DONE:
1118 baa9fea0 2020-03-18 stsp if (datalen != 0) {
1119 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1122 baa9fea0 2020-03-18 stsp *done = 1;
1125 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1129 93658fb9 2020-03-18 stsp imsg_free(&imsg);
1130 baa9fea0 2020-03-18 stsp return err;
1133 93658fb9 2020-03-18 stsp const struct got_error *
1134 cfd633c2 2018-09-10 stsp got_privsep_get_imsg_obj(struct got_object **obj, struct imsg *imsg,
1135 cfd633c2 2018-09-10 stsp struct imsgbuf *ibuf)
1137 291624d8 2018-11-07 stsp struct got_imsg_object *iobj;
1138 cfd633c2 2018-09-10 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1140 291624d8 2018-11-07 stsp if (datalen != sizeof(*iobj))
1141 cfd633c2 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1142 291624d8 2018-11-07 stsp iobj = imsg->data;
1144 31d32634 2022-06-23 thomas if (iobj->pack_offset < 0)
1145 31d32634 2022-06-23 thomas return got_error(GOT_ERR_PACK_OFFSET);
1147 cfd633c2 2018-09-10 stsp *obj = calloc(1, sizeof(**obj));
1148 cfd633c2 2018-09-10 stsp if (*obj == NULL)
1149 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
1151 fc842fc8 2023-02-03 thomas memcpy(&(*obj)->id, &iobj->id, sizeof(iobj->id));
1152 291624d8 2018-11-07 stsp (*obj)->type = iobj->type;
1153 291624d8 2018-11-07 stsp (*obj)->flags = iobj->flags;
1154 291624d8 2018-11-07 stsp (*obj)->hdrlen = iobj->hdrlen;
1155 291624d8 2018-11-07 stsp (*obj)->size = iobj->size;
1156 c59b3346 2018-09-11 stsp /* path_packfile is handled by caller */
1157 291624d8 2018-11-07 stsp if (iobj->flags & GOT_OBJ_FLAG_PACKED) {
1158 291624d8 2018-11-07 stsp (*obj)->pack_offset = iobj->pack_offset;
1159 291624d8 2018-11-07 stsp (*obj)->pack_idx = iobj->pack_idx;
1161 772802ae 2022-01-27 thomas STAILQ_INIT(&(*obj)->deltas.entries);
1162 772802ae 2022-01-27 thomas return NULL;
1165 2178c42e 2018-04-22 stsp const struct got_error *
1166 2178c42e 2018-04-22 stsp got_privsep_recv_obj(struct got_object **obj, struct imsgbuf *ibuf)
1168 2178c42e 2018-04-22 stsp const struct got_error *err = NULL;
1169 2178c42e 2018-04-22 stsp struct imsg imsg;
1170 c4eae628 2018-04-23 stsp const size_t min_datalen =
1171 c4eae628 2018-04-23 stsp MIN(sizeof(struct got_imsg_error), sizeof(struct got_imsg_object));
1173 2178c42e 2018-04-22 stsp *obj = NULL;
1175 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1177 2178c42e 2018-04-22 stsp return err;
1179 2178c42e 2018-04-22 stsp switch (imsg.hdr.type) {
1180 2178c42e 2018-04-22 stsp case GOT_IMSG_OBJECT:
1181 cfd633c2 2018-09-10 stsp err = got_privsep_get_imsg_obj(obj, &imsg, ibuf);
1184 bff6ca00 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1188 bff6ca00 2018-04-23 stsp imsg_free(&imsg);
1190 bff6ca00 2018-04-23 stsp return err;
1193 c75f7264 2018-09-11 stsp static const struct got_error *
1194 c75f7264 2018-09-11 stsp send_commit_logmsg(struct imsgbuf *ibuf, struct got_commit_object *commit,
1195 c75f7264 2018-09-11 stsp size_t logmsg_len)
1197 fa4ffeb3 2018-11-04 stsp const struct got_error *err = NULL;
1198 c75f7264 2018-09-11 stsp size_t offset, remain;
1200 c75f7264 2018-09-11 stsp offset = 0;
1201 c75f7264 2018-09-11 stsp remain = logmsg_len;
1202 c75f7264 2018-09-11 stsp while (remain > 0) {
1203 c75f7264 2018-09-11 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1205 c75f7264 2018-09-11 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_LOGMSG, 0, 0, -1,
1206 fa4ffeb3 2018-11-04 stsp commit->logmsg + offset, n) == -1) {
1207 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose "
1208 230a42bd 2019-05-11 jcs "COMMIT_LOGMSG");
1212 fa4ffeb3 2018-11-04 stsp err = flush_imsg(ibuf);
1216 c75f7264 2018-09-11 stsp offset += n;
1217 c75f7264 2018-09-11 stsp remain -= n;
1220 fa4ffeb3 2018-11-04 stsp return err;
1223 bff6ca00 2018-04-23 stsp const struct got_error *
1224 068fd2bf 2018-04-24 stsp got_privsep_send_commit(struct imsgbuf *ibuf, struct got_commit_object *commit)
1226 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1227 b9c33926 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1228 bff6ca00 2018-04-23 stsp uint8_t *buf;
1229 bff6ca00 2018-04-23 stsp size_t len, total;
1230 79f35eb3 2018-06-11 stsp struct got_object_qid *qid;
1231 b9c33926 2018-11-07 stsp size_t author_len = strlen(commit->author);
1232 b9c33926 2018-11-07 stsp size_t committer_len = strlen(commit->committer);
1233 c75f7264 2018-09-11 stsp size_t logmsg_len = strlen(commit->logmsg);
1235 b9c33926 2018-11-07 stsp total = sizeof(*icommit) + author_len + committer_len +
1236 e4c85b49 2023-02-03 thomas commit->nparents * sizeof(struct got_object_id);
1238 bff6ca00 2018-04-23 stsp buf = malloc(total);
1239 bff6ca00 2018-04-23 stsp if (buf == NULL)
1240 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1242 b9c33926 2018-11-07 stsp icommit = (struct got_imsg_commit_object *)buf;
1243 e4c85b49 2023-02-03 thomas memcpy(&icommit->tree_id, commit->tree_id, sizeof(icommit->tree_id));
1244 b9c33926 2018-11-07 stsp icommit->author_len = author_len;
1245 b9c33926 2018-11-07 stsp icommit->author_time = commit->author_time;
1246 b9c33926 2018-11-07 stsp icommit->author_gmtoff = commit->author_gmtoff;
1247 b9c33926 2018-11-07 stsp icommit->committer_len = committer_len;
1248 b9c33926 2018-11-07 stsp icommit->committer_time = commit->committer_time;
1249 b9c33926 2018-11-07 stsp icommit->committer_gmtoff = commit->committer_gmtoff;
1250 b9c33926 2018-11-07 stsp icommit->logmsg_len = logmsg_len;
1251 b9c33926 2018-11-07 stsp icommit->nparents = commit->nparents;
1253 b9c33926 2018-11-07 stsp len = sizeof(*icommit);
1254 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->author, author_len);
1255 b9c33926 2018-11-07 stsp len += author_len;
1256 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->committer, committer_len);
1257 b9c33926 2018-11-07 stsp len += committer_len;
1258 dbdddfee 2021-06-23 naddy STAILQ_FOREACH(qid, &commit->parent_ids, entry) {
1259 e4c85b49 2023-02-03 thomas memcpy(buf + len, &qid->id, sizeof(qid->id));
1260 e4c85b49 2023-02-03 thomas len += sizeof(qid->id);
1263 bff6ca00 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT, 0, 0, -1, buf, len) == -1) {
1264 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT");
1265 bff6ca00 2018-04-23 stsp goto done;
1268 904df868 2018-11-04 stsp if (logmsg_len == 0 ||
1269 904df868 2018-11-04 stsp logmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1270 904df868 2018-11-04 stsp err = flush_imsg(ibuf);
1272 904df868 2018-11-04 stsp goto done;
1274 c75f7264 2018-09-11 stsp err = send_commit_logmsg(ibuf, commit, logmsg_len);
1276 bff6ca00 2018-04-23 stsp free(buf);
1277 bff6ca00 2018-04-23 stsp return err;
1280 ca6e02ac 2020-01-07 stsp static const struct got_error *
1281 ca6e02ac 2020-01-07 stsp get_commit_from_imsg(struct got_commit_object **commit,
1282 ca6e02ac 2020-01-07 stsp struct imsg *imsg, size_t datalen, struct imsgbuf *ibuf)
1284 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1285 291624d8 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1286 ca6e02ac 2020-01-07 stsp size_t len = 0;
1289 ca6e02ac 2020-01-07 stsp if (datalen < sizeof(*icommit))
1290 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1292 ca6e02ac 2020-01-07 stsp icommit = imsg->data;
1293 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommit) + icommit->author_len +
1294 ca6e02ac 2020-01-07 stsp icommit->committer_len +
1295 e4c85b49 2023-02-03 thomas icommit->nparents * sizeof(struct got_object_id))
1296 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1298 ca6e02ac 2020-01-07 stsp if (icommit->nparents < 0)
1299 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1301 ca6e02ac 2020-01-07 stsp len += sizeof(*icommit);
1303 ca6e02ac 2020-01-07 stsp *commit = got_object_commit_alloc_partial();
1304 ca6e02ac 2020-01-07 stsp if (*commit == NULL)
1305 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
1306 ca6e02ac 2020-01-07 stsp "got_object_commit_alloc_partial");
1308 e4c85b49 2023-02-03 thomas memcpy((*commit)->tree_id, &icommit->tree_id,
1309 e4c85b49 2023-02-03 thomas sizeof(icommit->tree_id));
1310 ca6e02ac 2020-01-07 stsp (*commit)->author_time = icommit->author_time;
1311 ca6e02ac 2020-01-07 stsp (*commit)->author_gmtoff = icommit->author_gmtoff;
1312 ca6e02ac 2020-01-07 stsp (*commit)->committer_time = icommit->committer_time;
1313 ca6e02ac 2020-01-07 stsp (*commit)->committer_gmtoff = icommit->committer_gmtoff;
1315 79b7acf3 2022-06-23 thomas (*commit)->author = strndup(imsg->data + len, icommit->author_len);
1316 79b7acf3 2022-06-23 thomas if ((*commit)->author == NULL) {
1317 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1318 79b7acf3 2022-06-23 thomas goto done;
1320 ca6e02ac 2020-01-07 stsp len += icommit->author_len;
1322 79b7acf3 2022-06-23 thomas (*commit)->committer = strndup(imsg->data + len,
1323 79b7acf3 2022-06-23 thomas icommit->committer_len);
1324 79b7acf3 2022-06-23 thomas if ((*commit)->committer == NULL) {
1325 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1326 79b7acf3 2022-06-23 thomas goto done;
1328 ca6e02ac 2020-01-07 stsp len += icommit->committer_len;
1330 ca6e02ac 2020-01-07 stsp if (icommit->logmsg_len == 0) {
1331 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = strdup("");
1332 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1333 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1334 ca6e02ac 2020-01-07 stsp goto done;
1337 ca6e02ac 2020-01-07 stsp size_t offset = 0, remain = icommit->logmsg_len;
1339 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = malloc(icommit->logmsg_len + 1);
1340 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1341 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1342 ca6e02ac 2020-01-07 stsp goto done;
1344 ca6e02ac 2020-01-07 stsp while (remain > 0) {
1345 ca6e02ac 2020-01-07 stsp struct imsg imsg_log;
1346 ca6e02ac 2020-01-07 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1349 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1351 ca6e02ac 2020-01-07 stsp goto done;
1353 ca6e02ac 2020-01-07 stsp if (imsg_log.hdr.type != GOT_IMSG_COMMIT_LOGMSG) {
1354 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1355 ca6e02ac 2020-01-07 stsp goto done;
1358 ca6e02ac 2020-01-07 stsp memcpy((*commit)->logmsg + offset,
1359 ca6e02ac 2020-01-07 stsp imsg_log.data, n);
1360 ca6e02ac 2020-01-07 stsp imsg_free(&imsg_log);
1361 ca6e02ac 2020-01-07 stsp offset += n;
1362 ca6e02ac 2020-01-07 stsp remain -= n;
1364 ca6e02ac 2020-01-07 stsp (*commit)->logmsg[icommit->logmsg_len] = '\0';
1367 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommit->nparents; i++) {
1368 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
1370 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
1373 ec242592 2022-04-22 thomas memcpy(&qid->id, imsg->data + len +
1374 e4c85b49 2023-02-03 thomas i * sizeof(qid->id), sizeof(qid->id));
1375 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(&(*commit)->parent_ids, qid, entry);
1376 ca6e02ac 2020-01-07 stsp (*commit)->nparents++;
1379 ca6e02ac 2020-01-07 stsp if (err) {
1380 ca6e02ac 2020-01-07 stsp got_object_commit_close(*commit);
1381 ca6e02ac 2020-01-07 stsp *commit = NULL;
1383 ca6e02ac 2020-01-07 stsp return err;
1386 ca6e02ac 2020-01-07 stsp const struct got_error *
1387 ca6e02ac 2020-01-07 stsp got_privsep_recv_commit(struct got_commit_object **commit, struct imsgbuf *ibuf)
1389 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
1390 ca6e02ac 2020-01-07 stsp struct imsg imsg;
1391 ca6e02ac 2020-01-07 stsp size_t datalen;
1392 ca6e02ac 2020-01-07 stsp const size_t min_datalen =
1393 ca6e02ac 2020-01-07 stsp MIN(sizeof(struct got_imsg_error),
1394 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_object));
1396 ca6e02ac 2020-01-07 stsp *commit = NULL;
1398 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1400 ca6e02ac 2020-01-07 stsp return err;
1402 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1404 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
1405 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
1406 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(commit, &imsg, datalen, ibuf);
1409 8c580685 2018-04-22 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1413 2178c42e 2018-04-22 stsp imsg_free(&imsg);
1415 e033d803 2018-04-23 stsp return err;
1418 06de99ad 2022-05-19 thomas static const struct got_error *
1419 63915ee5 2022-06-23 thomas send_tree_entries_batch(struct imsgbuf *ibuf,
1420 63915ee5 2022-06-23 thomas struct got_parsed_tree_entry *entries, int idx0, int idxN, size_t len)
1422 06de99ad 2022-05-19 thomas struct ibuf *wbuf;
1423 06de99ad 2022-05-19 thomas struct got_imsg_tree_entries ientries;
1426 c26ee7ad 2022-06-23 thomas memset(&ientries, 0, sizeof(ientries));
1428 06de99ad 2022-05-19 thomas wbuf = imsg_create(ibuf, GOT_IMSG_TREE_ENTRIES, 0, 0, len);
1429 06de99ad 2022-05-19 thomas if (wbuf == NULL)
1430 06de99ad 2022-05-19 thomas return got_error_from_errno("imsg_create TREE_ENTRY");
1432 06de99ad 2022-05-19 thomas ientries.nentries = idxN - idx0 + 1;
1433 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &ientries, sizeof(ientries)) == -1)
1434 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1436 06de99ad 2022-05-19 thomas for (i = idx0; i <= idxN; i++) {
1437 06de99ad 2022-05-19 thomas struct got_parsed_tree_entry *pte = &entries[i];
1439 2be33b09 2023-02-03 thomas /* Keep in sync with struct got_imsg_tree_entry definition! */
1440 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, pte->id, SHA1_DIGEST_LENGTH) == -1)
1441 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1442 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &pte->mode, sizeof(pte->mode)) == -1)
1443 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1444 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &pte->namelen, sizeof(pte->namelen)) == -1)
1445 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1447 06de99ad 2022-05-19 thomas /* Remaining bytes are the entry's name. */
1448 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, pte->name, pte->namelen) == -1)
1449 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1452 06de99ad 2022-05-19 thomas wbuf->fd = -1;
1453 06de99ad 2022-05-19 thomas imsg_close(ibuf, wbuf);
1454 06de99ad 2022-05-19 thomas return NULL;
1457 63915ee5 2022-06-23 thomas static const struct got_error *
1458 63915ee5 2022-06-23 thomas send_tree_entries(struct imsgbuf *ibuf, struct got_parsed_tree_entry *entries,
1459 63915ee5 2022-06-23 thomas int nentries)
1461 06de99ad 2022-05-19 thomas const struct got_error *err = NULL;
1462 06de99ad 2022-05-19 thomas int i, j;
1463 63915ee5 2022-06-23 thomas size_t entries_len = sizeof(struct got_imsg_tree_entries);
1466 06de99ad 2022-05-19 thomas for (j = 0; j < nentries; j++) {
1467 06de99ad 2022-05-19 thomas struct got_parsed_tree_entry *pte = &entries[j];
1468 11a2b20c 2023-02-17 thomas size_t len = sizeof(struct got_imsg_tree_entry) + pte->namelen;
1470 06de99ad 2022-05-19 thomas if (j > 0 &&
1471 06de99ad 2022-05-19 thomas entries_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1472 63915ee5 2022-06-23 thomas err = send_tree_entries_batch(ibuf, entries,
1473 06de99ad 2022-05-19 thomas i, j - 1, entries_len);
1474 06de99ad 2022-05-19 thomas if (err)
1475 06de99ad 2022-05-19 thomas return err;
1477 06de99ad 2022-05-19 thomas entries_len = sizeof(struct got_imsg_tree_entries);
1480 06de99ad 2022-05-19 thomas entries_len += len;
1483 06de99ad 2022-05-19 thomas if (j > 0) {
1484 63915ee5 2022-06-23 thomas err = send_tree_entries_batch(ibuf, entries, i, j - 1,
1485 63915ee5 2022-06-23 thomas entries_len);
1486 06de99ad 2022-05-19 thomas if (err)
1487 06de99ad 2022-05-19 thomas return err;
1490 63915ee5 2022-06-23 thomas return NULL;
1493 63915ee5 2022-06-23 thomas const struct got_error *
1494 63915ee5 2022-06-23 thomas got_privsep_send_tree(struct imsgbuf *ibuf,
1495 63915ee5 2022-06-23 thomas struct got_parsed_tree_entry *entries, int nentries)
1497 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
1498 63915ee5 2022-06-23 thomas struct got_imsg_tree_object itree;
1500 c26ee7ad 2022-06-23 thomas memset(&itree, 0, sizeof(itree));
1501 63915ee5 2022-06-23 thomas itree.nentries = nentries;
1502 63915ee5 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_TREE, 0, 0, -1, &itree, sizeof(itree))
1504 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_compose TREE");
1506 63915ee5 2022-06-23 thomas err = send_tree_entries(ibuf, entries, nentries);
1507 63915ee5 2022-06-23 thomas if (err)
1508 63915ee5 2022-06-23 thomas return err;
1510 b00c9821 2018-11-04 stsp return flush_imsg(ibuf);
1514 63915ee5 2022-06-23 thomas static const struct got_error *
1515 63915ee5 2022-06-23 thomas recv_tree_entries(void *data, size_t datalen, struct got_tree_object *tree,
1516 63915ee5 2022-06-23 thomas int *nentries)
1518 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
1519 63915ee5 2022-06-23 thomas struct got_imsg_tree_entries *ientries;
1520 63915ee5 2022-06-23 thomas struct got_tree_entry *te;
1521 63915ee5 2022-06-23 thomas size_t te_offset;
1522 63915ee5 2022-06-23 thomas size_t i;
1524 63915ee5 2022-06-23 thomas if (datalen <= sizeof(*ientries) ||
1525 63915ee5 2022-06-23 thomas datalen > MAX_IMSGSIZE - IMSG_HEADER_SIZE)
1526 63915ee5 2022-06-23 thomas return got_error(GOT_ERR_PRIVSEP_LEN);
1528 63915ee5 2022-06-23 thomas ientries = (struct got_imsg_tree_entries *)data;
1529 63915ee5 2022-06-23 thomas if (ientries->nentries > INT_MAX) {
1530 63915ee5 2022-06-23 thomas return got_error_msg(GOT_ERR_NO_SPACE,
1531 63915ee5 2022-06-23 thomas "too many tree entries");
1534 63915ee5 2022-06-23 thomas te_offset = sizeof(*ientries);
1535 63915ee5 2022-06-23 thomas for (i = 0; i < ientries->nentries; i++) {
1536 63915ee5 2022-06-23 thomas struct got_imsg_tree_entry ite;
1537 63915ee5 2022-06-23 thomas const char *te_name;
1538 63915ee5 2022-06-23 thomas uint8_t *buf = (uint8_t *)data + te_offset;
1540 63915ee5 2022-06-23 thomas if (te_offset >= datalen) {
1541 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1545 63915ee5 2022-06-23 thomas /* Might not be aligned, size is ~32 bytes. */
1546 63915ee5 2022-06-23 thomas memcpy(&ite, buf, sizeof(ite));
1548 63915ee5 2022-06-23 thomas if (ite.namelen >= sizeof(te->name)) {
1549 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1552 63915ee5 2022-06-23 thomas if (te_offset + sizeof(ite) + ite.namelen > datalen) {
1553 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1557 63915ee5 2022-06-23 thomas if (*nentries >= tree->nentries) {
1558 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1561 63915ee5 2022-06-23 thomas te = &tree->entries[*nentries];
1562 63915ee5 2022-06-23 thomas te_name = buf + sizeof(ite);
1563 63915ee5 2022-06-23 thomas memcpy(te->name, te_name, ite.namelen);
1564 63915ee5 2022-06-23 thomas te->name[ite.namelen] = '\0';
1565 63915ee5 2022-06-23 thomas memcpy(te->id.sha1, ite.id, SHA1_DIGEST_LENGTH);
1566 63915ee5 2022-06-23 thomas te->mode = ite.mode;
1567 63915ee5 2022-06-23 thomas te->idx = *nentries;
1568 63915ee5 2022-06-23 thomas (*nentries)++;
1570 63915ee5 2022-06-23 thomas te_offset += sizeof(ite) + ite.namelen;
1573 63915ee5 2022-06-23 thomas return err;
1576 e033d803 2018-04-23 stsp const struct got_error *
1577 068fd2bf 2018-04-24 stsp got_privsep_recv_tree(struct got_tree_object **tree, struct imsgbuf *ibuf)
1579 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
1580 e033d803 2018-04-23 stsp const size_t min_datalen =
1581 e033d803 2018-04-23 stsp MIN(sizeof(struct got_imsg_error),
1582 e033d803 2018-04-23 stsp sizeof(struct got_imsg_tree_object));
1583 291624d8 2018-11-07 stsp struct got_imsg_tree_object *itree;
1584 e033d803 2018-04-23 stsp int nentries = 0;
1586 e033d803 2018-04-23 stsp *tree = NULL;
1588 9b5e2ebd 2022-07-07 thomas while (*tree == NULL || nentries < (*tree)->nentries) {
1589 e033d803 2018-04-23 stsp struct imsg imsg;
1590 e033d803 2018-04-23 stsp size_t datalen;
1592 9b5e2ebd 2022-07-07 thomas err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1593 9b5e2ebd 2022-07-07 thomas if (err)
1596 e033d803 2018-04-23 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1598 e033d803 2018-04-23 stsp switch (imsg.hdr.type) {
1599 e033d803 2018-04-23 stsp case GOT_IMSG_TREE:
1600 e033d803 2018-04-23 stsp /* This message should only appear once. */
1601 e033d803 2018-04-23 stsp if (*tree != NULL) {
1602 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1605 291624d8 2018-11-07 stsp if (datalen != sizeof(*itree)) {
1606 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1609 291624d8 2018-11-07 stsp itree = imsg.data;
1610 ace4d4e7 2022-05-19 thomas if (itree->nentries < 0) {
1611 ace4d4e7 2022-05-19 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1614 c3b78ecc 2018-11-07 stsp *tree = malloc(sizeof(**tree));
1615 e033d803 2018-04-23 stsp if (*tree == NULL) {
1616 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1619 56e0773d 2019-11-28 stsp (*tree)->entries = calloc(itree->nentries,
1620 56e0773d 2019-11-28 stsp sizeof(struct got_tree_entry));
1621 56e0773d 2019-11-28 stsp if ((*tree)->entries == NULL) {
1622 56e0773d 2019-11-28 stsp err = got_error_from_errno("malloc");
1623 c3bacae2 2022-05-19 thomas free(*tree);
1624 c3bacae2 2022-05-19 thomas *tree = NULL;
1627 56e0773d 2019-11-28 stsp (*tree)->nentries = itree->nentries;
1628 c3b78ecc 2018-11-07 stsp (*tree)->refcnt = 0;
1630 06de99ad 2022-05-19 thomas case GOT_IMSG_TREE_ENTRIES:
1631 e033d803 2018-04-23 stsp /* This message should be preceeded by GOT_IMSG_TREE. */
1632 e033d803 2018-04-23 stsp if (*tree == NULL) {
1633 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1636 63915ee5 2022-06-23 thomas err = recv_tree_entries(imsg.data, datalen,
1637 63915ee5 2022-06-23 thomas *tree, &nentries);
1640 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1644 e033d803 2018-04-23 stsp imsg_free(&imsg);
1649 56e0773d 2019-11-28 stsp if (*tree && (*tree)->nentries != nentries) {
1650 1e51f5b9 2018-04-23 stsp if (err == NULL)
1651 1e51f5b9 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1652 e033d803 2018-04-23 stsp got_object_tree_close(*tree);
1653 e033d803 2018-04-23 stsp *tree = NULL;
1656 ff6b18f8 2018-04-24 stsp return err;
1659 ff6b18f8 2018-04-24 stsp const struct got_error *
1660 ac544f8c 2019-01-13 stsp got_privsep_send_blob(struct imsgbuf *ibuf, size_t size, size_t hdrlen,
1661 ac544f8c 2019-01-13 stsp const uint8_t *data)
1663 2967a784 2018-04-24 stsp struct got_imsg_blob iblob;
1665 c26ee7ad 2022-06-23 thomas memset(&iblob, 0, sizeof(iblob));
1666 2967a784 2018-04-24 stsp iblob.size = size;
1667 ebc55e2d 2018-12-24 stsp iblob.hdrlen = hdrlen;
1669 ac544f8c 2019-01-13 stsp if (data) {
1670 ac544f8c 2019-01-13 stsp uint8_t *buf;
1672 ac544f8c 2019-01-13 stsp if (size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX)
1673 ac544f8c 2019-01-13 stsp return got_error(GOT_ERR_NO_SPACE);
1675 ac544f8c 2019-01-13 stsp buf = malloc(sizeof(iblob) + size);
1676 ac544f8c 2019-01-13 stsp if (buf == NULL)
1677 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1679 ac544f8c 2019-01-13 stsp memcpy(buf, &iblob, sizeof(iblob));
1680 ac544f8c 2019-01-13 stsp memcpy(buf + sizeof(iblob), data, size);
1681 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, buf,
1682 62d463ca 2020-10-20 naddy sizeof(iblob) + size) == -1) {
1683 ac544f8c 2019-01-13 stsp free(buf);
1684 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1686 ac544f8c 2019-01-13 stsp free(buf);
1688 ac544f8c 2019-01-13 stsp /* Data has already been written to file descriptor. */
1689 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, &iblob,
1690 ac544f8c 2019-01-13 stsp sizeof(iblob)) == -1)
1691 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1695 ff6b18f8 2018-04-24 stsp return flush_imsg(ibuf);
1698 ff6b18f8 2018-04-24 stsp const struct got_error *
1699 ac544f8c 2019-01-13 stsp got_privsep_recv_blob(uint8_t **outbuf, size_t *size, size_t *hdrlen,
1700 ac544f8c 2019-01-13 stsp struct imsgbuf *ibuf)
1702 ff6b18f8 2018-04-24 stsp const struct got_error *err = NULL;
1703 ff6b18f8 2018-04-24 stsp struct imsg imsg;
1704 291624d8 2018-11-07 stsp struct got_imsg_blob *iblob;
1705 ff6b18f8 2018-04-24 stsp size_t datalen;
1707 ac544f8c 2019-01-13 stsp *outbuf = NULL;
1709 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1711 ff6b18f8 2018-04-24 stsp return err;
1713 ff6b18f8 2018-04-24 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1715 ff6b18f8 2018-04-24 stsp switch (imsg.hdr.type) {
1716 ff6b18f8 2018-04-24 stsp case GOT_IMSG_BLOB:
1717 ac544f8c 2019-01-13 stsp if (datalen < sizeof(*iblob)) {
1718 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1721 291624d8 2018-11-07 stsp iblob = imsg.data;
1722 291624d8 2018-11-07 stsp *size = iblob->size;
1723 ebc55e2d 2018-12-24 stsp *hdrlen = iblob->hdrlen;
1725 ac544f8c 2019-01-13 stsp if (datalen == sizeof(*iblob)) {
1726 ac544f8c 2019-01-13 stsp /* Data has been written to file descriptor. */
1730 31d32634 2022-06-23 thomas if (*size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX ||
1731 31d32634 2022-06-23 thomas *size > datalen + sizeof(*iblob)) {
1732 ac544f8c 2019-01-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1736 ac544f8c 2019-01-13 stsp *outbuf = malloc(*size);
1737 ac544f8c 2019-01-13 stsp if (*outbuf == NULL) {
1738 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1741 ac544f8c 2019-01-13 stsp memcpy(*outbuf, imsg.data + sizeof(*iblob), *size);
1744 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1748 f4a881ce 2018-11-17 stsp imsg_free(&imsg);
1750 f4a881ce 2018-11-17 stsp return err;
1753 f4a881ce 2018-11-17 stsp static const struct got_error *
1754 f4a881ce 2018-11-17 stsp send_tagmsg(struct imsgbuf *ibuf, struct got_tag_object *tag, size_t tagmsg_len)
1756 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1757 f4a881ce 2018-11-17 stsp size_t offset, remain;
1759 f4a881ce 2018-11-17 stsp offset = 0;
1760 f4a881ce 2018-11-17 stsp remain = tagmsg_len;
1761 f4a881ce 2018-11-17 stsp while (remain > 0) {
1762 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1764 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_TAGMSG, 0, 0, -1,
1765 f4a881ce 2018-11-17 stsp tag->tagmsg + offset, n) == -1) {
1766 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG_TAGMSG");
1770 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1774 f4a881ce 2018-11-17 stsp offset += n;
1775 f4a881ce 2018-11-17 stsp remain -= n;
1778 f4a881ce 2018-11-17 stsp return err;
1781 f4a881ce 2018-11-17 stsp const struct got_error *
1782 f4a881ce 2018-11-17 stsp got_privsep_send_tag(struct imsgbuf *ibuf, struct got_tag_object *tag)
1784 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1785 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1786 f4a881ce 2018-11-17 stsp uint8_t *buf;
1787 f4a881ce 2018-11-17 stsp size_t len, total;
1788 f4a881ce 2018-11-17 stsp size_t tag_len = strlen(tag->tag);
1789 f4a881ce 2018-11-17 stsp size_t tagger_len = strlen(tag->tagger);
1790 f4a881ce 2018-11-17 stsp size_t tagmsg_len = strlen(tag->tagmsg);
1792 f4a881ce 2018-11-17 stsp total = sizeof(*itag) + tag_len + tagger_len + tagmsg_len;
1794 f4a881ce 2018-11-17 stsp buf = malloc(total);
1795 f4a881ce 2018-11-17 stsp if (buf == NULL)
1796 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1798 f4a881ce 2018-11-17 stsp itag = (struct got_imsg_tag_object *)buf;
1799 35cdfa2c 2023-02-20 thomas memcpy(&itag->id, &tag->id, sizeof(itag->id));
1800 f4a881ce 2018-11-17 stsp itag->obj_type = tag->obj_type;
1801 f4a881ce 2018-11-17 stsp itag->tag_len = tag_len;
1802 f4a881ce 2018-11-17 stsp itag->tagger_len = tagger_len;
1803 f4a881ce 2018-11-17 stsp itag->tagger_time = tag->tagger_time;
1804 f4a881ce 2018-11-17 stsp itag->tagger_gmtoff = tag->tagger_gmtoff;
1805 f4a881ce 2018-11-17 stsp itag->tagmsg_len = tagmsg_len;
1807 f4a881ce 2018-11-17 stsp len = sizeof(*itag);
1808 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tag, tag_len);
1809 f4a881ce 2018-11-17 stsp len += tag_len;
1810 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tagger, tagger_len);
1811 f4a881ce 2018-11-17 stsp len += tagger_len;
1813 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG, 0, 0, -1, buf, len) == -1) {
1814 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG");
1815 f4a881ce 2018-11-17 stsp goto done;
1818 f4a881ce 2018-11-17 stsp if (tagmsg_len == 0 ||
1819 f4a881ce 2018-11-17 stsp tagmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1820 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1822 f4a881ce 2018-11-17 stsp goto done;
1824 f4a881ce 2018-11-17 stsp err = send_tagmsg(ibuf, tag, tagmsg_len);
1826 f4a881ce 2018-11-17 stsp free(buf);
1827 f4a881ce 2018-11-17 stsp return err;
1830 f4a881ce 2018-11-17 stsp const struct got_error *
1831 f4a881ce 2018-11-17 stsp got_privsep_recv_tag(struct got_tag_object **tag, struct imsgbuf *ibuf)
1833 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1834 f4a881ce 2018-11-17 stsp struct imsg imsg;
1835 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1836 f4a881ce 2018-11-17 stsp size_t len, datalen;
1837 f4a881ce 2018-11-17 stsp const size_t min_datalen =
1838 f4a881ce 2018-11-17 stsp MIN(sizeof(struct got_imsg_error),
1839 f4a881ce 2018-11-17 stsp sizeof(struct got_imsg_tag_object));
1841 f4a881ce 2018-11-17 stsp *tag = NULL;
1843 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1845 f4a881ce 2018-11-17 stsp return err;
1847 f4a881ce 2018-11-17 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1850 f4a881ce 2018-11-17 stsp switch (imsg.hdr.type) {
1851 f4a881ce 2018-11-17 stsp case GOT_IMSG_TAG:
1852 f4a881ce 2018-11-17 stsp if (datalen < sizeof(*itag)) {
1853 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1856 f4a881ce 2018-11-17 stsp itag = imsg.data;
1857 f4a881ce 2018-11-17 stsp if (datalen != sizeof(*itag) + itag->tag_len +
1858 f4a881ce 2018-11-17 stsp itag->tagger_len) {
1859 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1862 f4a881ce 2018-11-17 stsp len += sizeof(*itag);
1864 f4a881ce 2018-11-17 stsp *tag = calloc(1, sizeof(**tag));
1865 f4a881ce 2018-11-17 stsp if (*tag == NULL) {
1866 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
1870 35cdfa2c 2023-02-20 thomas memcpy(&(*tag)->id, &itag->id, sizeof(itag->id));
1872 79b7acf3 2022-06-23 thomas (*tag)->tag = strndup(imsg.data + len, itag->tag_len);
1873 79b7acf3 2022-06-23 thomas if ((*tag)->tag == NULL) {
1874 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1877 f4a881ce 2018-11-17 stsp len += itag->tag_len;
1879 f4a881ce 2018-11-17 stsp (*tag)->obj_type = itag->obj_type;
1880 f4a881ce 2018-11-17 stsp (*tag)->tagger_time = itag->tagger_time;
1881 f4a881ce 2018-11-17 stsp (*tag)->tagger_gmtoff = itag->tagger_gmtoff;
1883 79b7acf3 2022-06-23 thomas (*tag)->tagger = strndup(imsg.data + len, itag->tagger_len);
1884 79b7acf3 2022-06-23 thomas if ((*tag)->tagger == NULL) {
1885 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1888 f4a881ce 2018-11-17 stsp len += itag->tagger_len;
1890 f4a881ce 2018-11-17 stsp if (itag->tagmsg_len == 0) {
1891 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = strdup("");
1892 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1893 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1897 f4a881ce 2018-11-17 stsp size_t offset = 0, remain = itag->tagmsg_len;
1899 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = malloc(itag->tagmsg_len + 1);
1900 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1901 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1904 f4a881ce 2018-11-17 stsp while (remain > 0) {
1905 f4a881ce 2018-11-17 stsp struct imsg imsg_log;
1906 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1909 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1911 f4a881ce 2018-11-17 stsp return err;
1913 f4a881ce 2018-11-17 stsp if (imsg_log.hdr.type != GOT_IMSG_TAG_TAGMSG)
1914 f4a881ce 2018-11-17 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
1916 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagmsg + offset, imsg_log.data,
1918 f4a881ce 2018-11-17 stsp imsg_free(&imsg_log);
1919 f4a881ce 2018-11-17 stsp offset += n;
1920 f4a881ce 2018-11-17 stsp remain -= n;
1922 f4a881ce 2018-11-17 stsp (*tag)->tagmsg[itag->tagmsg_len] = '\0';
1927 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1931 ff6b18f8 2018-04-24 stsp imsg_free(&imsg);
1933 2178c42e 2018-04-22 stsp return err;
1936 876c234b 2018-09-10 stsp const struct got_error *
1937 876c234b 2018-09-10 stsp got_privsep_init_pack_child(struct imsgbuf *ibuf, struct got_pack *pack,
1938 876c234b 2018-09-10 stsp struct got_packidx *packidx)
1940 41496140 2019-02-21 stsp const struct got_error *err = NULL;
1941 876c234b 2018-09-10 stsp struct got_imsg_packidx ipackidx;
1942 876c234b 2018-09-10 stsp struct got_imsg_pack ipack;
1945 c26ee7ad 2022-06-23 thomas memset(&ipackidx, 0, sizeof(ipackidx));
1946 c26ee7ad 2022-06-23 thomas memset(&ipack, 0, sizeof(ipack));
1948 876c234b 2018-09-10 stsp ipackidx.len = packidx->len;
1949 c3564dfa 2021-07-15 stsp ipackidx.packfile_size = pack->filesize;
1950 876c234b 2018-09-10 stsp fd = dup(packidx->fd);
1951 876c234b 2018-09-10 stsp if (fd == -1)
1952 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1954 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKIDX, 0, 0, fd, &ipackidx,
1955 41496140 2019-02-21 stsp sizeof(ipackidx)) == -1) {
1956 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACKIDX");
1957 41496140 2019-02-21 stsp close(fd);
1958 41496140 2019-02-21 stsp return err;
1961 876c234b 2018-09-10 stsp if (strlcpy(ipack.path_packfile, pack->path_packfile,
1962 876c234b 2018-09-10 stsp sizeof(ipack.path_packfile)) >= sizeof(ipack.path_packfile))
1963 876c234b 2018-09-10 stsp return got_error(GOT_ERR_NO_SPACE);
1964 876c234b 2018-09-10 stsp ipack.filesize = pack->filesize;
1966 876c234b 2018-09-10 stsp fd = dup(pack->fd);
1967 876c234b 2018-09-10 stsp if (fd == -1)
1968 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1970 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACK, 0, 0, fd, &ipack, sizeof(ipack))
1972 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACK");
1973 41496140 2019-02-21 stsp close(fd);
1974 41496140 2019-02-21 stsp return err;
1977 876c234b 2018-09-10 stsp return flush_imsg(ibuf);
1980 876c234b 2018-09-10 stsp const struct got_error *
1981 106807b4 2018-09-15 stsp got_privsep_send_packed_obj_req(struct imsgbuf *ibuf, int idx,
1982 106807b4 2018-09-15 stsp struct got_object_id *id)
1984 876c234b 2018-09-10 stsp struct got_imsg_packed_object iobj;
1986 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
1987 876c234b 2018-09-10 stsp iobj.idx = idx;
1988 b6f67730 2023-02-03 thomas memcpy(&iobj.id, id, sizeof(iobj.id));
1990 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_OBJECT_REQUEST, 0, 0, -1,
1991 876c234b 2018-09-10 stsp &iobj, sizeof(iobj)) == -1)
1992 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose "
1993 230a42bd 2019-05-11 jcs "PACKED_OBJECT_REQUEST");
1995 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1998 aba9c984 2019-09-08 stsp const struct got_error *
1999 59d1e4a0 2021-03-10 stsp got_privsep_send_packed_raw_obj_req(struct imsgbuf *ibuf, int idx,
2000 59d1e4a0 2021-03-10 stsp struct got_object_id *id)
2002 59d1e4a0 2021-03-10 stsp struct got_imsg_packed_object iobj;
2004 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
2005 59d1e4a0 2021-03-10 stsp iobj.idx = idx;
2006 b6f67730 2023-02-03 thomas memcpy(&iobj.id, id, sizeof(iobj.id));
2008 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_RAW_OBJECT_REQUEST, 0, 0, -1,
2009 59d1e4a0 2021-03-10 stsp &iobj, sizeof(iobj)) == -1)
2010 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose "
2011 59d1e4a0 2021-03-10 stsp "PACKED_OBJECT_REQUEST");
2013 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
2016 59d1e4a0 2021-03-10 stsp const struct got_error *
2017 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_parse_req(struct imsgbuf *ibuf, int fd)
2019 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2021 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_PARSE_REQUEST, 0, 0, fd,
2022 aba9c984 2019-09-08 stsp NULL, 0) == -1) {
2023 aba9c984 2019-09-08 stsp err = got_error_from_errno("imsg_compose "
2024 aba9c984 2019-09-08 stsp "GITCONFIG_PARSE_REQUEST");
2025 aba9c984 2019-09-08 stsp close(fd);
2026 aba9c984 2019-09-08 stsp return err;
2029 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2032 aba9c984 2019-09-08 stsp const struct got_error *
2033 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_repository_format_version_req(struct imsgbuf *ibuf)
2035 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2036 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST, 0, 0, -1,
2037 aba9c984 2019-09-08 stsp NULL, 0) == -1)
2038 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2039 aba9c984 2019-09-08 stsp "GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST");
2041 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2044 aba9c984 2019-09-08 stsp const struct got_error *
2045 20b7abb3 2020-10-22 stsp got_privsep_send_gitconfig_repository_extensions_req(struct imsgbuf *ibuf)
2047 20b7abb3 2020-10-22 stsp if (imsg_compose(ibuf,
2048 20b7abb3 2020-10-22 stsp GOT_IMSG_GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST, 0, 0, -1,
2049 20b7abb3 2020-10-22 stsp NULL, 0) == -1)
2050 20b7abb3 2020-10-22 stsp return got_error_from_errno("imsg_compose "
2051 20b7abb3 2020-10-22 stsp "GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST");
2053 20b7abb3 2020-10-22 stsp return flush_imsg(ibuf);
2057 20b7abb3 2020-10-22 stsp const struct got_error *
2058 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_name_req(struct imsgbuf *ibuf)
2060 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2061 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_NAME_REQUEST, 0, 0, -1, NULL, 0) == -1)
2062 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2063 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_NAME_REQUEST");
2065 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2068 aba9c984 2019-09-08 stsp const struct got_error *
2069 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_email_req(struct imsgbuf *ibuf)
2071 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2072 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_EMAIL_REQUEST, 0, 0, -1, NULL, 0) == -1)
2073 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2074 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_EMAIL_REQUEST");
2076 cd95becd 2019-11-29 stsp return flush_imsg(ibuf);
2079 cd95becd 2019-11-29 stsp const struct got_error *
2080 cd95becd 2019-11-29 stsp got_privsep_send_gitconfig_remotes_req(struct imsgbuf *ibuf)
2082 cd95becd 2019-11-29 stsp if (imsg_compose(ibuf,
2083 cd95becd 2019-11-29 stsp GOT_IMSG_GITCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2084 cd95becd 2019-11-29 stsp return got_error_from_errno("imsg_compose "
2085 cd95becd 2019-11-29 stsp "GITCONFIG_REMOTE_REQUEST");
2087 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2090 aba9c984 2019-09-08 stsp const struct got_error *
2091 9a1cc63f 2020-02-03 stsp got_privsep_send_gitconfig_owner_req(struct imsgbuf *ibuf)
2093 9a1cc63f 2020-02-03 stsp if (imsg_compose(ibuf,
2094 9a1cc63f 2020-02-03 stsp GOT_IMSG_GITCONFIG_OWNER_REQUEST, 0, 0, -1, NULL, 0) == -1)
2095 9a1cc63f 2020-02-03 stsp return got_error_from_errno("imsg_compose "
2096 9a1cc63f 2020-02-03 stsp "GITCONFIG_OWNER_REQUEST");
2098 9a1cc63f 2020-02-03 stsp return flush_imsg(ibuf);
2101 9a1cc63f 2020-02-03 stsp const struct got_error *
2102 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_str(char **str, struct imsgbuf *ibuf)
2104 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2105 aba9c984 2019-09-08 stsp struct imsg imsg;
2106 aba9c984 2019-09-08 stsp size_t datalen;
2108 aba9c984 2019-09-08 stsp *str = NULL;
2110 12a8238e 2022-06-23 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2112 aba9c984 2019-09-08 stsp return err;
2113 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2115 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2116 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_STR_VAL:
2117 aba9c984 2019-09-08 stsp if (datalen == 0)
2119 fcbb06bf 2023-01-14 thomas *str = strndup(imsg.data, datalen);
2120 aba9c984 2019-09-08 stsp if (*str == NULL) {
2121 fcbb06bf 2023-01-14 thomas err = got_error_from_errno("strndup");
2126 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2130 b091c2cd 2023-02-07 thomas imsg_free(&imsg);
2131 b091c2cd 2023-02-07 thomas return err;
2134 b091c2cd 2023-02-07 thomas const struct got_error *
2135 b091c2cd 2023-02-07 thomas got_privsep_recv_gitconfig_pair(char **key, char **val, struct imsgbuf *ibuf)
2137 b091c2cd 2023-02-07 thomas const struct got_error *err = NULL;
2138 b091c2cd 2023-02-07 thomas struct got_imsg_gitconfig_pair p;
2139 b091c2cd 2023-02-07 thomas struct imsg imsg;
2140 b091c2cd 2023-02-07 thomas size_t datalen;
2141 b091c2cd 2023-02-07 thomas uint8_t *data;
2143 b091c2cd 2023-02-07 thomas *key = *val = NULL;
2145 b091c2cd 2023-02-07 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2146 b091c2cd 2023-02-07 thomas if (err)
2147 b091c2cd 2023-02-07 thomas return err;
2149 b091c2cd 2023-02-07 thomas data = imsg.data;
2150 b091c2cd 2023-02-07 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2152 b091c2cd 2023-02-07 thomas if (imsg.hdr.type != GOT_IMSG_GITCONFIG_PAIR) {
2153 b091c2cd 2023-02-07 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2154 b091c2cd 2023-02-07 thomas goto done;
2157 b091c2cd 2023-02-07 thomas if (datalen < sizeof(p)) {
2158 b091c2cd 2023-02-07 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2159 b091c2cd 2023-02-07 thomas goto done;
2162 b091c2cd 2023-02-07 thomas memcpy(&p, data, sizeof(p));
2163 b091c2cd 2023-02-07 thomas data += sizeof(p);
2165 b091c2cd 2023-02-07 thomas if (datalen != sizeof(p) + p.klen + p.vlen) {
2166 b091c2cd 2023-02-07 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2167 b091c2cd 2023-02-07 thomas goto done;
2170 b091c2cd 2023-02-07 thomas *key = strndup(data, p.klen);
2171 b091c2cd 2023-02-07 thomas if (*key == NULL) {
2172 b091c2cd 2023-02-07 thomas err = got_error_from_errno("strndup");
2173 b091c2cd 2023-02-07 thomas goto done;
2175 b091c2cd 2023-02-07 thomas data += p.klen;
2177 b091c2cd 2023-02-07 thomas *val = strndup(data, p.vlen);
2178 b091c2cd 2023-02-07 thomas if (*val == NULL) {
2179 b091c2cd 2023-02-07 thomas err = got_error_from_errno("strndup");
2180 b091c2cd 2023-02-07 thomas goto done;
2184 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2185 aba9c984 2019-09-08 stsp return err;
2188 aba9c984 2019-09-08 stsp const struct got_error *
2189 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_int(int *val, struct imsgbuf *ibuf)
2191 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2192 aba9c984 2019-09-08 stsp struct imsg imsg;
2193 aba9c984 2019-09-08 stsp size_t datalen;
2194 aba9c984 2019-09-08 stsp const size_t min_datalen =
2195 aba9c984 2019-09-08 stsp MIN(sizeof(struct got_imsg_error), sizeof(int));
2199 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2201 aba9c984 2019-09-08 stsp return err;
2202 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2204 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2205 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_INT_VAL:
2206 aba9c984 2019-09-08 stsp if (datalen != sizeof(*val)) {
2207 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2210 aba9c984 2019-09-08 stsp memcpy(val, imsg.data, sizeof(*val));
2213 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2217 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2218 cd95becd 2019-11-29 stsp return err;
2221 b8adfa55 2020-09-25 stsp static void
2222 b8adfa55 2020-09-25 stsp free_remote_data(struct got_remote_repo *remote)
2226 b8adfa55 2020-09-25 stsp free(remote->name);
2227 6480c871 2021-08-30 stsp free(remote->fetch_url);
2228 6480c871 2021-08-30 stsp free(remote->send_url);
2229 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_branches; i++)
2230 6480c871 2021-08-30 stsp free(remote->fetch_branches[i]);
2231 6480c871 2021-08-30 stsp free(remote->fetch_branches);
2232 6480c871 2021-08-30 stsp for (i = 0; i < remote->nsend_branches; i++)
2233 6480c871 2021-08-30 stsp free(remote->send_branches[i]);
2234 6480c871 2021-08-30 stsp free(remote->send_branches);
2235 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_refs; i++)
2236 6480c871 2021-08-30 stsp free(remote->fetch_refs[i]);
2237 6480c871 2021-08-30 stsp free(remote->fetch_refs);
2240 cd95becd 2019-11-29 stsp const struct got_error *
2241 cd95becd 2019-11-29 stsp got_privsep_recv_gitconfig_remotes(struct got_remote_repo **remotes,
2242 cd95becd 2019-11-29 stsp int *nremotes, struct imsgbuf *ibuf)
2244 cd95becd 2019-11-29 stsp const struct got_error *err = NULL;
2245 cd95becd 2019-11-29 stsp struct imsg imsg;
2246 cd95becd 2019-11-29 stsp size_t datalen;
2247 cd95becd 2019-11-29 stsp struct got_imsg_remotes iremotes;
2248 cd95becd 2019-11-29 stsp struct got_imsg_remote iremote;
2250 cd95becd 2019-11-29 stsp *remotes = NULL;
2251 cd95becd 2019-11-29 stsp *nremotes = 0;
2252 d669b9c9 2020-02-22 stsp iremotes.nremotes = 0;
2254 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremotes));
2256 cd95becd 2019-11-29 stsp return err;
2257 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2259 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2260 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTES:
2261 cd95becd 2019-11-29 stsp if (datalen != sizeof(iremotes)) {
2262 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2265 cd95becd 2019-11-29 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2266 cd95becd 2019-11-29 stsp if (iremotes.nremotes == 0) {
2267 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2268 cd95becd 2019-11-29 stsp return NULL;
2272 54b1c5b5 2020-02-22 stsp imsg_free(&imsg);
2273 54b1c5b5 2020-02-22 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2276 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2278 5146eb39 2020-03-20 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2279 cd95becd 2019-11-29 stsp if (*remotes == NULL)
2280 cd95becd 2019-11-29 stsp return got_error_from_errno("recallocarray");
2282 cd95becd 2019-11-29 stsp while (*nremotes < iremotes.nremotes) {
2283 cd95becd 2019-11-29 stsp struct got_remote_repo *remote;
2285 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremote));
2288 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2290 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2291 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTE:
2292 cd95becd 2019-11-29 stsp remote = &(*remotes)[*nremotes];
2293 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2294 cd95becd 2019-11-29 stsp if (datalen < sizeof(iremote)) {
2295 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2298 cd95becd 2019-11-29 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2299 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2300 6480c871 2021-08-30 stsp iremote.fetch_url_len == 0 ||
2301 6480c871 2021-08-30 stsp iremote.send_url_len == 0 ||
2302 cd95becd 2019-11-29 stsp (sizeof(iremote) + iremote.name_len +
2303 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) > datalen) {
2304 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2307 cd95becd 2019-11-29 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2308 cd95becd 2019-11-29 stsp iremote.name_len);
2309 cd95becd 2019-11-29 stsp if (remote->name == NULL) {
2310 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2313 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data + sizeof(iremote) +
2314 6480c871 2021-08-30 stsp iremote.name_len, iremote.fetch_url_len);
2315 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2316 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2317 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2320 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data + sizeof(iremote) +
2321 6480c871 2021-08-30 stsp iremote.name_len + iremote.fetch_url_len,
2322 6480c871 2021-08-30 stsp iremote.send_url_len);
2323 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2324 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2325 6480c871 2021-08-30 stsp free_remote_data(remote);
2328 469dd726 2020-03-20 stsp remote->mirror_references = iremote.mirror_references;
2329 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2330 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2331 6480c871 2021-08-30 stsp remote->fetch_branches = NULL;
2332 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2333 6480c871 2021-08-30 stsp remote->send_branches = NULL;
2334 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2335 6480c871 2021-08-30 stsp remote->fetch_refs = NULL;
2336 cd95becd 2019-11-29 stsp (*nremotes)++;
2339 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2343 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2348 cd95becd 2019-11-29 stsp if (err) {
2350 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2351 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2352 cd95becd 2019-11-29 stsp free(*remotes);
2353 cd95becd 2019-11-29 stsp *remotes = NULL;
2354 cd95becd 2019-11-29 stsp *nremotes = 0;
2356 aba9c984 2019-09-08 stsp return err;
2359 257add31 2020-09-09 stsp const struct got_error *
2360 257add31 2020-09-09 stsp got_privsep_send_gotconfig_parse_req(struct imsgbuf *ibuf, int fd)
2362 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2364 257add31 2020-09-09 stsp if (imsg_compose(ibuf, GOT_IMSG_GOTCONFIG_PARSE_REQUEST, 0, 0, fd,
2365 257add31 2020-09-09 stsp NULL, 0) == -1) {
2366 257add31 2020-09-09 stsp err = got_error_from_errno("imsg_compose "
2367 257add31 2020-09-09 stsp "GOTCONFIG_PARSE_REQUEST");
2368 257add31 2020-09-09 stsp close(fd);
2369 257add31 2020-09-09 stsp return err;
2372 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2375 257add31 2020-09-09 stsp const struct got_error *
2376 257add31 2020-09-09 stsp got_privsep_send_gotconfig_author_req(struct imsgbuf *ibuf)
2378 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2379 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_AUTHOR_REQUEST, 0, 0, -1, NULL, 0) == -1)
2380 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2381 257add31 2020-09-09 stsp "GOTCONFIG_AUTHOR_REQUEST");
2383 871bd038 2022-07-03 thomas return flush_imsg(ibuf);
2386 871bd038 2022-07-03 thomas const struct got_error *
2387 871bd038 2022-07-03 thomas got_privsep_send_gotconfig_allowed_signers_req(struct imsgbuf *ibuf)
2389 871bd038 2022-07-03 thomas if (imsg_compose(ibuf,
2390 871bd038 2022-07-03 thomas GOT_IMSG_GOTCONFIG_ALLOWEDSIGNERS_REQUEST, 0, 0, -1, NULL, 0) == -1)
2391 871bd038 2022-07-03 thomas return got_error_from_errno("imsg_compose "
2392 871bd038 2022-07-03 thomas "GOTCONFIG_ALLOWEDSIGNERS_REQUEST");
2394 871bd038 2022-07-03 thomas return flush_imsg(ibuf);
2397 871bd038 2022-07-03 thomas const struct got_error *
2398 871bd038 2022-07-03 thomas got_privsep_send_gotconfig_revoked_signers_req(struct imsgbuf *ibuf)
2400 871bd038 2022-07-03 thomas if (imsg_compose(ibuf,
2401 871bd038 2022-07-03 thomas GOT_IMSG_GOTCONFIG_REVOKEDSIGNERS_REQUEST, 0, 0, -1, NULL, 0) == -1)
2402 871bd038 2022-07-03 thomas return got_error_from_errno("imsg_compose "
2403 871bd038 2022-07-03 thomas "GOTCONFIG_REVOKEDSIGNERS_REQUEST");
2405 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2408 ca6e02ac 2020-01-07 stsp const struct got_error *
2409 ff5e1f09 2022-07-06 thomas got_privsep_send_gotconfig_signer_id_req(struct imsgbuf *ibuf)
2411 ff5e1f09 2022-07-06 thomas if (imsg_compose(ibuf,
2412 ff5e1f09 2022-07-06 thomas GOT_IMSG_GOTCONFIG_SIGNERID_REQUEST, 0, 0, -1, NULL, 0) == -1)
2413 ff5e1f09 2022-07-06 thomas return got_error_from_errno("imsg_compose "
2414 ff5e1f09 2022-07-06 thomas "GOTCONFIG_SIGNERID_REQUEST");
2416 ff5e1f09 2022-07-06 thomas return flush_imsg(ibuf);
2419 ff5e1f09 2022-07-06 thomas const struct got_error *
2420 257add31 2020-09-09 stsp got_privsep_send_gotconfig_remotes_req(struct imsgbuf *ibuf)
2422 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2423 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2424 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2425 257add31 2020-09-09 stsp "GOTCONFIG_REMOTE_REQUEST");
2427 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2430 257add31 2020-09-09 stsp const struct got_error *
2431 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_str(char **str, struct imsgbuf *ibuf)
2433 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2434 257add31 2020-09-09 stsp struct imsg imsg;
2435 257add31 2020-09-09 stsp size_t datalen;
2437 257add31 2020-09-09 stsp *str = NULL;
2439 12a8238e 2022-06-23 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2441 257add31 2020-09-09 stsp return err;
2442 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2444 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2445 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_STR_VAL:
2446 257add31 2020-09-09 stsp if (datalen == 0)
2448 fcbb06bf 2023-01-14 thomas *str = strndup(imsg.data, datalen);
2449 257add31 2020-09-09 stsp if (*str == NULL) {
2450 fcbb06bf 2023-01-14 thomas err = got_error_from_errno("strndup");
2455 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2459 257add31 2020-09-09 stsp imsg_free(&imsg);
2460 257add31 2020-09-09 stsp return err;
2463 257add31 2020-09-09 stsp const struct got_error *
2464 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_remotes(struct got_remote_repo **remotes,
2465 257add31 2020-09-09 stsp int *nremotes, struct imsgbuf *ibuf)
2467 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2468 257add31 2020-09-09 stsp struct imsg imsg;
2469 257add31 2020-09-09 stsp size_t datalen;
2470 257add31 2020-09-09 stsp struct got_imsg_remotes iremotes;
2471 257add31 2020-09-09 stsp struct got_imsg_remote iremote;
2472 257add31 2020-09-09 stsp const size_t min_datalen =
2473 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremotes));
2475 257add31 2020-09-09 stsp *remotes = NULL;
2476 257add31 2020-09-09 stsp *nremotes = 0;
2477 257add31 2020-09-09 stsp iremotes.nremotes = 0;
2479 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2481 257add31 2020-09-09 stsp return err;
2482 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2484 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2485 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTES:
2486 257add31 2020-09-09 stsp if (datalen != sizeof(iremotes)) {
2487 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2490 257add31 2020-09-09 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2491 31d32634 2022-06-23 thomas if (iremotes.nremotes < 0) {
2492 31d32634 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2495 257add31 2020-09-09 stsp if (iremotes.nremotes == 0) {
2496 257add31 2020-09-09 stsp imsg_free(&imsg);
2497 257add31 2020-09-09 stsp return NULL;
2501 257add31 2020-09-09 stsp imsg_free(&imsg);
2502 257add31 2020-09-09 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2505 257add31 2020-09-09 stsp imsg_free(&imsg);
2507 257add31 2020-09-09 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2508 257add31 2020-09-09 stsp if (*remotes == NULL)
2509 257add31 2020-09-09 stsp return got_error_from_errno("recallocarray");
2511 257add31 2020-09-09 stsp while (*nremotes < iremotes.nremotes) {
2512 257add31 2020-09-09 stsp struct got_remote_repo *remote;
2513 257add31 2020-09-09 stsp const size_t min_datalen =
2514 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremote));
2517 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2520 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2522 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2523 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTE:
2524 257add31 2020-09-09 stsp remote = &(*remotes)[*nremotes];
2525 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2526 257add31 2020-09-09 stsp if (datalen < sizeof(iremote)) {
2527 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2530 257add31 2020-09-09 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2531 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2532 6480c871 2021-08-30 stsp (iremote.fetch_url_len == 0 &&
2533 6480c871 2021-08-30 stsp iremote.send_url_len == 0) ||
2534 257add31 2020-09-09 stsp (sizeof(iremote) + iremote.name_len +
2535 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) >
2536 6480c871 2021-08-30 stsp datalen) {
2537 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2540 257add31 2020-09-09 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2541 257add31 2020-09-09 stsp iremote.name_len);
2542 257add31 2020-09-09 stsp if (remote->name == NULL) {
2543 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2546 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data +
2547 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len,
2548 6480c871 2021-08-30 stsp iremote.fetch_url_len);
2549 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2550 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2551 6480c871 2021-08-30 stsp free_remote_data(remote);
2554 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data +
2555 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len +
2556 6480c871 2021-08-30 stsp iremote.fetch_url_len, iremote.send_url_len);
2557 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2558 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2559 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2562 257add31 2020-09-09 stsp remote->mirror_references = iremote.mirror_references;
2563 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2564 6480c871 2021-08-30 stsp if (iremote.nfetch_branches > 0) {
2565 6480c871 2021-08-30 stsp remote->fetch_branches = recallocarray(NULL, 0,
2566 6480c871 2021-08-30 stsp iremote.nfetch_branches, sizeof(char *));
2567 6480c871 2021-08-30 stsp if (remote->fetch_branches == NULL) {
2568 b8adfa55 2020-09-25 stsp err = got_error_from_errno("calloc");
2569 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2573 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2574 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_branches; i++) {
2575 b8adfa55 2020-09-25 stsp char *branch;
2576 b8adfa55 2020-09-25 stsp err = got_privsep_recv_gotconfig_str(&branch,
2578 b8adfa55 2020-09-25 stsp if (err) {
2579 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2580 b8adfa55 2020-09-25 stsp goto done;
2582 6480c871 2021-08-30 stsp remote->fetch_branches[i] = branch;
2583 6480c871 2021-08-30 stsp remote->nfetch_branches++;
2585 6480c871 2021-08-30 stsp if (iremote.nsend_branches > 0) {
2586 6480c871 2021-08-30 stsp remote->send_branches = recallocarray(NULL, 0,
2587 6480c871 2021-08-30 stsp iremote.nsend_branches, sizeof(char *));
2588 6480c871 2021-08-30 stsp if (remote->send_branches == NULL) {
2589 99495ddb 2021-01-10 stsp err = got_error_from_errno("calloc");
2590 99495ddb 2021-01-10 stsp free_remote_data(remote);
2594 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2595 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nsend_branches; i++) {
2596 6480c871 2021-08-30 stsp char *branch;
2597 6480c871 2021-08-30 stsp err = got_privsep_recv_gotconfig_str(&branch,
2599 6480c871 2021-08-30 stsp if (err) {
2600 6480c871 2021-08-30 stsp free_remote_data(remote);
2601 6480c871 2021-08-30 stsp goto done;
2603 6480c871 2021-08-30 stsp remote->send_branches[i] = branch;
2604 6480c871 2021-08-30 stsp remote->nsend_branches++;
2606 6480c871 2021-08-30 stsp if (iremote.nfetch_refs > 0) {
2607 6480c871 2021-08-30 stsp remote->fetch_refs = recallocarray(NULL, 0,
2608 6480c871 2021-08-30 stsp iremote.nfetch_refs, sizeof(char *));
2609 6480c871 2021-08-30 stsp if (remote->fetch_refs == NULL) {
2610 6480c871 2021-08-30 stsp err = got_error_from_errno("calloc");
2611 6480c871 2021-08-30 stsp free_remote_data(remote);
2615 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2616 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_refs; i++) {
2617 99495ddb 2021-01-10 stsp char *ref;
2618 99495ddb 2021-01-10 stsp err = got_privsep_recv_gotconfig_str(&ref,
2620 99495ddb 2021-01-10 stsp if (err) {
2621 99495ddb 2021-01-10 stsp free_remote_data(remote);
2622 99495ddb 2021-01-10 stsp goto done;
2624 6480c871 2021-08-30 stsp remote->fetch_refs[i] = ref;
2625 6480c871 2021-08-30 stsp remote->nfetch_refs++;
2627 257add31 2020-09-09 stsp (*nremotes)++;
2630 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2634 257add31 2020-09-09 stsp imsg_free(&imsg);
2639 257add31 2020-09-09 stsp if (err) {
2641 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2642 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2643 257add31 2020-09-09 stsp free(*remotes);
2644 257add31 2020-09-09 stsp *remotes = NULL;
2645 257add31 2020-09-09 stsp *nremotes = 0;
2647 257add31 2020-09-09 stsp return err;
2650 257add31 2020-09-09 stsp const struct got_error *
2651 ca6e02ac 2020-01-07 stsp got_privsep_send_commit_traversal_request(struct imsgbuf *ibuf,
2652 abc59930 2021-09-05 naddy struct got_object_id *id, int idx, const char *path)
2654 ca6e02ac 2020-01-07 stsp struct ibuf *wbuf;
2655 ca6e02ac 2020-01-07 stsp size_t path_len = strlen(path) + 1;
2657 ca6e02ac 2020-01-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_COMMIT_TRAVERSAL_REQUEST, 0, 0,
2658 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_traversal_request) + path_len);
2659 ca6e02ac 2020-01-07 stsp if (wbuf == NULL)
2660 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
2661 ca6e02ac 2020-01-07 stsp "imsg_create COMMIT_TRAVERSAL_REQUEST");
2662 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1)
2663 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add "
2664 e9f1a409 2022-05-19 thomas "COMMIT_TRAVERSAL_REQUEST");
2665 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &idx, sizeof(idx)) == -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, path, path_len) == -1)
2669 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add "
2670 e9f1a409 2022-05-19 thomas "COMMIT_TRAVERSAL_REQUEST");
2672 ca6e02ac 2020-01-07 stsp wbuf->fd = -1;
2673 ca6e02ac 2020-01-07 stsp imsg_close(ibuf, wbuf);
2675 ca6e02ac 2020-01-07 stsp return flush_imsg(ibuf);
2678 ca6e02ac 2020-01-07 stsp const struct got_error *
2679 ca6e02ac 2020-01-07 stsp got_privsep_recv_traversed_commits(struct got_commit_object **changed_commit,
2680 ca6e02ac 2020-01-07 stsp struct got_object_id **changed_commit_id,
2681 ca6e02ac 2020-01-07 stsp struct got_object_id_queue *commit_ids, struct imsgbuf *ibuf)
2683 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
2684 ca6e02ac 2020-01-07 stsp struct imsg imsg;
2685 ca6e02ac 2020-01-07 stsp struct got_imsg_traversed_commits *icommits;
2686 35cdfa2c 2023-02-20 thomas struct got_object_id *ids;
2687 ca6e02ac 2020-01-07 stsp size_t datalen;
2688 ca6e02ac 2020-01-07 stsp int i, done = 0;
2690 ca6e02ac 2020-01-07 stsp *changed_commit = NULL;
2691 ca6e02ac 2020-01-07 stsp *changed_commit_id = NULL;
2693 ca6e02ac 2020-01-07 stsp while (!done) {
2694 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2696 ca6e02ac 2020-01-07 stsp return err;
2698 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2699 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
2700 ca6e02ac 2020-01-07 stsp case GOT_IMSG_TRAVERSED_COMMITS:
2701 ca6e02ac 2020-01-07 stsp icommits = imsg.data;
2702 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommits) +
2703 35cdfa2c 2023-02-20 thomas icommits->ncommits * sizeof(*ids)) {
2704 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2707 35cdfa2c 2023-02-20 thomas ids = imsg.data + sizeof(*icommits);
2708 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommits->ncommits; i++) {
2709 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
2711 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
2714 35cdfa2c 2023-02-20 thomas memcpy(&qid->id, &ids[i], sizeof(ids[i]));
2715 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(commit_ids, qid, entry);
2717 ca6e02ac 2020-01-07 stsp /* The last commit may contain a change. */
2718 ca6e02ac 2020-01-07 stsp if (i == icommits->ncommits - 1) {
2719 ca6e02ac 2020-01-07 stsp *changed_commit_id =
2720 ec242592 2022-04-22 thomas got_object_id_dup(&qid->id);
2721 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2722 ca6e02ac 2020-01-07 stsp err = got_error_from_errno(
2723 ca6e02ac 2020-01-07 stsp "got_object_id_dup");
2729 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
2730 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2731 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2734 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(changed_commit, &imsg,
2735 ca6e02ac 2020-01-07 stsp datalen, ibuf);
2737 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT_TRAVERSAL_DONE:
2741 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2745 ca6e02ac 2020-01-07 stsp imsg_free(&imsg);
2751 ca6e02ac 2020-01-07 stsp got_object_id_queue_free(commit_ids);
2752 ca6e02ac 2020-01-07 stsp return err;
2755 63915ee5 2022-06-23 thomas const struct got_error *
2756 63915ee5 2022-06-23 thomas got_privsep_send_enumerated_tree(size_t *totlen, struct imsgbuf *ibuf,
2757 63915ee5 2022-06-23 thomas struct got_object_id *tree_id, const char *path,
2758 63915ee5 2022-06-23 thomas struct got_parsed_tree_entry *entries, int nentries)
2760 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
2761 63915ee5 2022-06-23 thomas struct ibuf *wbuf;
2762 63915ee5 2022-06-23 thomas size_t path_len = strlen(path);
2763 63915ee5 2022-06-23 thomas size_t msglen;
2765 63915ee5 2022-06-23 thomas msglen = sizeof(struct got_imsg_enumerated_tree) + path_len;
2766 63915ee5 2022-06-23 thomas wbuf = imsg_create(ibuf, GOT_IMSG_ENUMERATED_TREE, 0, 0, msglen);
2767 63915ee5 2022-06-23 thomas if (wbuf == NULL)
2768 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_create ENUMERATED_TREE");
2770 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, tree_id->sha1, SHA1_DIGEST_LENGTH) == -1)
2771 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_TREE");
2772 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, &nentries, sizeof(nentries)) == -1)
2773 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_TREE");
2774 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, path, path_len) == -1)
2775 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_TREE");
2777 63915ee5 2022-06-23 thomas wbuf->fd = -1;
2778 63915ee5 2022-06-23 thomas imsg_close(ibuf, wbuf);
2780 63915ee5 2022-06-23 thomas if (entries) {
2781 63915ee5 2022-06-23 thomas err = send_tree_entries(ibuf, entries, nentries);
2782 63915ee5 2022-06-23 thomas if (err)
2783 63915ee5 2022-06-23 thomas return err;
2786 63915ee5 2022-06-23 thomas return flush_imsg(ibuf);
2789 f9c2e8e5 2022-02-13 thomas const struct got_error *
2790 63915ee5 2022-06-23 thomas got_privsep_send_object_enumeration_request(struct imsgbuf *ibuf)
2792 63915ee5 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_REQUEST,
2793 63915ee5 2022-06-23 thomas 0, 0, -1, NULL, 0) == -1)
2794 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_compose "
2795 63915ee5 2022-06-23 thomas "OBJECT_ENUMERATION_REQUEST");
2797 63915ee5 2022-06-23 thomas return flush_imsg(ibuf);
2800 63915ee5 2022-06-23 thomas const struct got_error *
2801 63915ee5 2022-06-23 thomas got_privsep_send_object_enumeration_done(struct imsgbuf *ibuf)
2803 63915ee5 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_DONE,
2804 63915ee5 2022-06-23 thomas 0, 0, -1, NULL, 0) == -1)
2805 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_compose "
2806 63915ee5 2022-06-23 thomas "OBJECT_ENUMERATION_DONE");
2808 63915ee5 2022-06-23 thomas return flush_imsg(ibuf);
2811 63915ee5 2022-06-23 thomas const struct got_error *
2812 e71f1e62 2022-06-23 thomas got_privsep_send_object_enumeration_incomplete(struct imsgbuf *ibuf)
2814 e71f1e62 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_INCOMPLETE,
2815 e71f1e62 2022-06-23 thomas 0, 0, -1, NULL, 0) == -1)
2816 e71f1e62 2022-06-23 thomas return got_error_from_errno("imsg_compose "
2817 e71f1e62 2022-06-23 thomas "OBJECT_ENUMERATION_INCOMPLETE");
2819 e71f1e62 2022-06-23 thomas return flush_imsg(ibuf);
2822 e71f1e62 2022-06-23 thomas const struct got_error *
2823 63915ee5 2022-06-23 thomas got_privsep_send_enumerated_commit(struct imsgbuf *ibuf,
2824 63915ee5 2022-06-23 thomas struct got_object_id *id, time_t mtime)
2826 63915ee5 2022-06-23 thomas struct ibuf *wbuf;
2828 63915ee5 2022-06-23 thomas wbuf = imsg_create(ibuf, GOT_IMSG_ENUMERATED_COMMIT, 0, 0,
2829 63915ee5 2022-06-23 thomas sizeof(struct got_imsg_enumerated_commit) + SHA1_DIGEST_LENGTH);
2830 63915ee5 2022-06-23 thomas if (wbuf == NULL)
2831 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_create ENUMERATED_COMMIT");
2833 63915ee5 2022-06-23 thomas /* Keep in sync with struct got_imsg_enumerated_commit! */
2834 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, id, SHA1_DIGEST_LENGTH) == -1)
2835 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_COMMIT");
2836 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, &mtime, sizeof(mtime)) == -1)
2837 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_COMMIT");
2839 63915ee5 2022-06-23 thomas wbuf->fd = -1;
2840 63915ee5 2022-06-23 thomas imsg_close(ibuf, wbuf);
2841 63915ee5 2022-06-23 thomas /* Don't flush yet, tree entries or ENUMERATION_DONE will follow. */
2842 63915ee5 2022-06-23 thomas return NULL;
2845 63915ee5 2022-06-23 thomas const struct got_error *
2846 e71f1e62 2022-06-23 thomas got_privsep_recv_enumerated_objects(int *found_all_objects,
2847 e71f1e62 2022-06-23 thomas struct imsgbuf *ibuf,
2848 63915ee5 2022-06-23 thomas got_object_enumerate_commit_cb cb_commit,
2849 63915ee5 2022-06-23 thomas got_object_enumerate_tree_cb cb_tree, void *cb_arg,
2850 63915ee5 2022-06-23 thomas struct got_repository *repo)
2852 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
2853 63915ee5 2022-06-23 thomas struct imsg imsg;
2854 63915ee5 2022-06-23 thomas struct got_imsg_enumerated_commit *icommit = NULL;
2855 63915ee5 2022-06-23 thomas struct got_object_id commit_id;
2856 63915ee5 2022-06-23 thomas int have_commit = 0;
2857 63915ee5 2022-06-23 thomas time_t mtime = 0;
2858 63915ee5 2022-06-23 thomas struct got_tree_object tree;
2859 63915ee5 2022-06-23 thomas struct got_imsg_enumerated_tree *itree;
2860 63915ee5 2022-06-23 thomas struct got_object_id tree_id;
2861 63915ee5 2022-06-23 thomas char *path = NULL, *canon_path = NULL;
2862 63915ee5 2022-06-23 thomas size_t datalen, path_len;
2863 63915ee5 2022-06-23 thomas int nentries = -1;
2864 63915ee5 2022-06-23 thomas int done = 0;
2866 e71f1e62 2022-06-23 thomas *found_all_objects = 0;
2867 63915ee5 2022-06-23 thomas memset(&tree, 0, sizeof(tree));
2869 63915ee5 2022-06-23 thomas while (!done) {
2870 63915ee5 2022-06-23 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2871 63915ee5 2022-06-23 thomas if (err)
2874 63915ee5 2022-06-23 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2875 63915ee5 2022-06-23 thomas switch (imsg.hdr.type) {
2876 77402035 2022-06-23 thomas case GOT_IMSG_ENUMERATED_COMMIT:
2877 63915ee5 2022-06-23 thomas if (have_commit && nentries != -1) {
2878 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2881 63915ee5 2022-06-23 thomas if (datalen != sizeof(*icommit)) {
2882 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2885 63915ee5 2022-06-23 thomas icommit = (struct got_imsg_enumerated_commit *)imsg.data;
2886 63915ee5 2022-06-23 thomas memcpy(commit_id.sha1, icommit->id, SHA1_DIGEST_LENGTH);
2887 63915ee5 2022-06-23 thomas mtime = icommit->mtime;
2888 63915ee5 2022-06-23 thomas have_commit = 1;
2890 63915ee5 2022-06-23 thomas case GOT_IMSG_ENUMERATED_TREE:
2891 63915ee5 2022-06-23 thomas /* Should be preceeded by GOT_IMSG_ENUMERATED_COMMIT. */
2892 63915ee5 2022-06-23 thomas if (!have_commit) {
2893 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2896 63915ee5 2022-06-23 thomas if (datalen < sizeof(*itree)) {
2897 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2900 63915ee5 2022-06-23 thomas itree = imsg.data;
2901 63915ee5 2022-06-23 thomas path_len = datalen - sizeof(*itree);
2902 63915ee5 2022-06-23 thomas if (path_len == 0) {
2903 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2906 63915ee5 2022-06-23 thomas memcpy(tree_id.sha1, itree->id, sizeof(tree_id.sha1));
2907 63915ee5 2022-06-23 thomas free(path);
2908 fcbb06bf 2023-01-14 thomas path = strndup(imsg.data + sizeof(*itree), path_len);
2909 63915ee5 2022-06-23 thomas if (path == NULL) {
2910 fcbb06bf 2023-01-14 thomas err = got_error_from_errno("strndup");
2913 63915ee5 2022-06-23 thomas free(canon_path);
2914 63915ee5 2022-06-23 thomas canon_path = malloc(path_len + 1);
2915 63915ee5 2022-06-23 thomas if (canon_path == NULL) {
2916 63915ee5 2022-06-23 thomas err = got_error_from_errno("malloc");
2919 63915ee5 2022-06-23 thomas if (!got_path_is_absolute(path)) {
2920 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_BAD_PATH);
2923 63915ee5 2022-06-23 thomas if (got_path_is_root_dir(path)) {
2924 63915ee5 2022-06-23 thomas /* XXX check what got_canonpath() does wrong */
2925 63915ee5 2022-06-23 thomas canon_path[0] = '/';
2926 63915ee5 2022-06-23 thomas canon_path[1] = '\0';
2927 63915ee5 2022-06-23 thomas } else {
2928 63915ee5 2022-06-23 thomas err = got_canonpath(path, canon_path,
2929 63915ee5 2022-06-23 thomas path_len + 1);
2930 63915ee5 2022-06-23 thomas if (err)
2933 63915ee5 2022-06-23 thomas if (strcmp(path, canon_path) != 0) {
2934 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_BAD_PATH);
2937 63915ee5 2022-06-23 thomas if (nentries != -1) {
2938 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2941 63915ee5 2022-06-23 thomas if (itree->nentries < -1) {
2942 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2945 63915ee5 2022-06-23 thomas if (itree->nentries == -1) {
2946 63915ee5 2022-06-23 thomas /* Tree was not found in pack file. */
2947 63915ee5 2022-06-23 thomas err = cb_tree(cb_arg, NULL, mtime, &tree_id,
2948 63915ee5 2022-06-23 thomas path, repo);
2951 63915ee5 2022-06-23 thomas if (itree->nentries > INT_MAX) {
2952 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2955 63915ee5 2022-06-23 thomas tree.entries = calloc(itree->nentries,
2956 63915ee5 2022-06-23 thomas sizeof(struct got_tree_entry));
2957 63915ee5 2022-06-23 thomas if (tree.entries == NULL) {
2958 63915ee5 2022-06-23 thomas err = got_error_from_errno("calloc");
2961 63915ee5 2022-06-23 thomas if (itree->nentries == 0) {
2962 63915ee5 2022-06-23 thomas err = cb_tree(cb_arg, &tree, mtime, &tree_id,
2963 63915ee5 2022-06-23 thomas path, repo);
2964 63915ee5 2022-06-23 thomas if (err)
2967 63915ee5 2022-06-23 thomas /* Prepare for next tree. */
2968 63915ee5 2022-06-23 thomas free(tree.entries);
2969 63915ee5 2022-06-23 thomas memset(&tree, 0, sizeof(tree));
2970 63915ee5 2022-06-23 thomas nentries = -1;
2971 63915ee5 2022-06-23 thomas } else {
2972 63915ee5 2022-06-23 thomas tree.nentries = itree->nentries;
2973 63915ee5 2022-06-23 thomas nentries = 0;
2976 63915ee5 2022-06-23 thomas case GOT_IMSG_TREE_ENTRIES:
2977 63915ee5 2022-06-23 thomas /* Should be preceeded by GOT_IMSG_ENUMERATED_TREE. */
2978 63915ee5 2022-06-23 thomas if (nentries <= -1) {
2979 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2982 63915ee5 2022-06-23 thomas err = recv_tree_entries(imsg.data, datalen,
2983 63915ee5 2022-06-23 thomas &tree, &nentries);
2984 63915ee5 2022-06-23 thomas if (err)
2986 63915ee5 2022-06-23 thomas if (tree.nentries == nentries) {
2987 63915ee5 2022-06-23 thomas err = cb_tree(cb_arg, &tree, mtime, &tree_id,
2988 63915ee5 2022-06-23 thomas path, repo);
2989 63915ee5 2022-06-23 thomas if (err)
2992 63915ee5 2022-06-23 thomas /* Prepare for next tree. */
2993 63915ee5 2022-06-23 thomas free(tree.entries);
2994 63915ee5 2022-06-23 thomas memset(&tree, 0, sizeof(tree));
2995 63915ee5 2022-06-23 thomas nentries = -1;
2998 63915ee5 2022-06-23 thomas case GOT_IMSG_TREE_ENUMERATION_DONE:
2999 63915ee5 2022-06-23 thomas /* All trees have been found and traversed. */
3000 63915ee5 2022-06-23 thomas if (!have_commit || path == NULL || nentries != -1) {
3001 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3004 63915ee5 2022-06-23 thomas err = cb_commit(cb_arg, mtime, &commit_id, repo);
3005 63915ee5 2022-06-23 thomas if (err)
3007 63915ee5 2022-06-23 thomas have_commit = 0;
3009 63915ee5 2022-06-23 thomas case GOT_IMSG_OBJECT_ENUMERATION_DONE:
3010 e71f1e62 2022-06-23 thomas *found_all_objects = 1;
3011 e71f1e62 2022-06-23 thomas done = 1;
3013 e71f1e62 2022-06-23 thomas case GOT_IMSG_OBJECT_ENUMERATION_INCOMPLETE:
3014 63915ee5 2022-06-23 thomas done = 1;
3016 63915ee5 2022-06-23 thomas default:
3017 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3021 63915ee5 2022-06-23 thomas imsg_free(&imsg);
3022 63915ee5 2022-06-23 thomas if (err)
3026 63915ee5 2022-06-23 thomas free(path);
3027 63915ee5 2022-06-23 thomas free(canon_path);
3028 63915ee5 2022-06-23 thomas free(tree.entries);
3029 63915ee5 2022-06-23 thomas return err;
3032 63915ee5 2022-06-23 thomas const struct got_error *
3033 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta_req(struct imsgbuf *ibuf, int idx,
3034 f9c2e8e5 2022-02-13 thomas struct got_object_id *id)
3036 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta_request dreq;
3038 c26ee7ad 2022-06-23 thomas memset(&dreq, 0, sizeof(dreq));
3039 f9c2e8e5 2022-02-13 thomas dreq.idx = idx;
3040 d77295e3 2023-02-03 thomas memcpy(&dreq.id, id, sizeof(dreq.id));
3042 f9c2e8e5 2022-02-13 thomas if (imsg_compose(ibuf, GOT_IMSG_RAW_DELTA_REQUEST, 0, 0, -1,
3043 f9c2e8e5 2022-02-13 thomas &dreq, sizeof(dreq)) == -1)
3044 f9c2e8e5 2022-02-13 thomas return got_error_from_errno("imsg_compose RAW_DELTA_REQUEST");
3046 f9c2e8e5 2022-02-13 thomas return flush_imsg(ibuf);
3049 f9c2e8e5 2022-02-13 thomas const struct got_error *
3050 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta_outfd(struct imsgbuf *ibuf, int fd)
3052 f9c2e8e5 2022-02-13 thomas return send_fd(ibuf, GOT_IMSG_RAW_DELTA_OUTFD, fd);
3055 f9c2e8e5 2022-02-13 thomas const struct got_error *
3056 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta(struct imsgbuf *ibuf, uint64_t base_size,
3057 9249e7e3 2022-05-12 thomas uint64_t result_size, off_t delta_size, off_t delta_compressed_size,
3058 9249e7e3 2022-05-12 thomas off_t delta_offset, off_t delta_out_offset, struct got_object_id *base_id)
3060 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta idelta;
3061 f9c2e8e5 2022-02-13 thomas int ret;
3063 c26ee7ad 2022-06-23 thomas memset(&idelta, 0, sizeof(idelta));
3064 f9c2e8e5 2022-02-13 thomas idelta.base_size = base_size;
3065 f9c2e8e5 2022-02-13 thomas idelta.result_size = result_size;
3066 f9c2e8e5 2022-02-13 thomas idelta.delta_size = delta_size;
3067 9249e7e3 2022-05-12 thomas idelta.delta_compressed_size = delta_compressed_size;
3068 f9c2e8e5 2022-02-13 thomas idelta.delta_offset = delta_offset;
3069 f9c2e8e5 2022-02-13 thomas idelta.delta_out_offset = delta_out_offset;
3070 564a8b01 2023-02-03 thomas memcpy(&idelta.base_id, &base_id, sizeof(idelta.base_id));
3072 f9c2e8e5 2022-02-13 thomas ret = imsg_compose(ibuf, GOT_IMSG_RAW_DELTA, 0, 0, -1,
3073 f9c2e8e5 2022-02-13 thomas &idelta, sizeof(idelta));
3074 f9c2e8e5 2022-02-13 thomas if (ret == -1)
3075 f9c2e8e5 2022-02-13 thomas return got_error_from_errno("imsg_compose RAW_DELTA");
3077 f9c2e8e5 2022-02-13 thomas return flush_imsg(ibuf);
3080 ca6e02ac 2020-01-07 stsp const struct got_error *
3081 f9c2e8e5 2022-02-13 thomas got_privsep_recv_raw_delta(uint64_t *base_size, uint64_t *result_size,
3082 9249e7e3 2022-05-12 thomas off_t *delta_size, off_t *delta_compressed_size, off_t *delta_offset,
3083 dd57e4ab 2023-02-03 thomas off_t *delta_out_offset, struct got_object_id **base_id,
3084 dd57e4ab 2023-02-03 thomas struct imsgbuf *ibuf)
3086 f9c2e8e5 2022-02-13 thomas const struct got_error *err = NULL;
3087 f9c2e8e5 2022-02-13 thomas struct imsg imsg;
3088 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta *delta;
3089 f9c2e8e5 2022-02-13 thomas size_t datalen;
3091 f9c2e8e5 2022-02-13 thomas *base_size = 0;
3092 f9c2e8e5 2022-02-13 thomas *result_size = 0;
3093 f9c2e8e5 2022-02-13 thomas *delta_size = 0;
3094 9249e7e3 2022-05-12 thomas *delta_compressed_size = 0;
3095 f9c2e8e5 2022-02-13 thomas *delta_offset = 0;
3096 f9c2e8e5 2022-02-13 thomas *delta_out_offset = 0;
3097 f9c2e8e5 2022-02-13 thomas *base_id = NULL;
3099 f9c2e8e5 2022-02-13 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3100 f9c2e8e5 2022-02-13 thomas if (err)
3101 f9c2e8e5 2022-02-13 thomas return err;
3103 f9c2e8e5 2022-02-13 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3105 f9c2e8e5 2022-02-13 thomas switch (imsg.hdr.type) {
3106 f9c2e8e5 2022-02-13 thomas case GOT_IMSG_RAW_DELTA:
3107 f9c2e8e5 2022-02-13 thomas if (datalen != sizeof(*delta)) {
3108 f9c2e8e5 2022-02-13 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3111 f9c2e8e5 2022-02-13 thomas delta = imsg.data;
3112 f9c2e8e5 2022-02-13 thomas *base_size = delta->base_size;
3113 f9c2e8e5 2022-02-13 thomas *result_size = delta->result_size;
3114 f9c2e8e5 2022-02-13 thomas *delta_size = delta->delta_size;
3115 9249e7e3 2022-05-12 thomas *delta_compressed_size = delta->delta_compressed_size;
3116 f9c2e8e5 2022-02-13 thomas *delta_offset = delta->delta_offset;
3117 f9c2e8e5 2022-02-13 thomas *delta_out_offset = delta->delta_out_offset;
3118 f9c2e8e5 2022-02-13 thomas *base_id = calloc(1, sizeof(**base_id));
3119 f9c2e8e5 2022-02-13 thomas if (*base_id == NULL) {
3120 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("malloc");
3123 564a8b01 2023-02-03 thomas memcpy(*base_id, &delta->base_id, sizeof(**base_id));
3125 f9c2e8e5 2022-02-13 thomas default:
3126 f9c2e8e5 2022-02-13 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3130 f9c2e8e5 2022-02-13 thomas imsg_free(&imsg);
3132 f9c2e8e5 2022-02-13 thomas if (err) {
3133 f9c2e8e5 2022-02-13 thomas free(*base_id);
3134 f9c2e8e5 2022-02-13 thomas *base_id = NULL;
3136 7d0d4920 2022-05-12 thomas return err;
3139 63915ee5 2022-06-23 thomas static const struct got_error *
3140 63915ee5 2022-06-23 thomas send_idlist(struct imsgbuf *ibuf, struct got_object_id **ids, size_t nids)
3142 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3143 7d0d4920 2022-05-12 thomas struct got_imsg_object_idlist idlist;
3144 7d0d4920 2022-05-12 thomas struct ibuf *wbuf;
3145 7d0d4920 2022-05-12 thomas size_t i;
3147 c26ee7ad 2022-06-23 thomas memset(&idlist, 0, sizeof(idlist));
3149 7d0d4920 2022-05-12 thomas if (nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS)
3150 7d0d4920 2022-05-12 thomas return got_error(GOT_ERR_NO_SPACE);
3152 7d0d4920 2022-05-12 thomas wbuf = imsg_create(ibuf, GOT_IMSG_OBJ_ID_LIST, 0, 0,
3153 7d0d4920 2022-05-12 thomas sizeof(idlist) + nids * sizeof(**ids));
3154 7d0d4920 2022-05-12 thomas if (wbuf == NULL) {
3155 7d0d4920 2022-05-12 thomas err = got_error_from_errno("imsg_create OBJ_ID_LIST");
3156 7d0d4920 2022-05-12 thomas return err;
3159 7d0d4920 2022-05-12 thomas idlist.nids = nids;
3160 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &idlist, sizeof(idlist)) == -1)
3161 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add OBJ_ID_LIST");
3163 7d0d4920 2022-05-12 thomas for (i = 0; i < nids; i++) {
3164 7d0d4920 2022-05-12 thomas struct got_object_id *id = ids[i];
3165 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, id, sizeof(*id)) == -1)
3166 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add OBJ_ID_LIST");
3169 7d0d4920 2022-05-12 thomas wbuf->fd = -1;
3170 7d0d4920 2022-05-12 thomas imsg_close(ibuf, wbuf);
3172 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3175 7d0d4920 2022-05-12 thomas const struct got_error *
3176 63915ee5 2022-06-23 thomas got_privsep_send_object_idlist(struct imsgbuf *ibuf,
3177 63915ee5 2022-06-23 thomas struct got_object_id **ids, size_t nids)
3179 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
3180 63915ee5 2022-06-23 thomas struct got_object_id *idlist[GOT_IMSG_OBJ_ID_LIST_MAX_NIDS];
3181 ef53e23c 2022-06-23 thomas int i, queued = 0;
3183 77402035 2022-06-23 thomas for (i = 0; i < nids; i++) {
3184 ef53e23c 2022-06-23 thomas idlist[i % nitems(idlist)] = ids[i];
3185 ef53e23c 2022-06-23 thomas queued++;
3186 8f3ec65d 2022-06-23 thomas if (queued >= nitems(idlist)) {
3187 ef53e23c 2022-06-23 thomas err = send_idlist(ibuf, idlist, queued);
3188 63915ee5 2022-06-23 thomas if (err)
3189 63915ee5 2022-06-23 thomas return err;
3190 ef53e23c 2022-06-23 thomas queued = 0;
3194 ef53e23c 2022-06-23 thomas if (queued > 0) {
3195 ef53e23c 2022-06-23 thomas err = send_idlist(ibuf, idlist, queued);
3196 63915ee5 2022-06-23 thomas if (err)
3197 63915ee5 2022-06-23 thomas return err;
3200 63915ee5 2022-06-23 thomas return NULL;
3203 63915ee5 2022-06-23 thomas const struct got_error *
3204 7d0d4920 2022-05-12 thomas got_privsep_send_object_idlist_done(struct imsgbuf *ibuf)
3206 7d0d4920 2022-05-12 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJ_ID_LIST_DONE, 0, 0, -1, NULL, 0)
3208 7d0d4920 2022-05-12 thomas return got_error_from_errno("imsg_compose OBJ_ID_LIST_DONE");
3210 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3213 7d0d4920 2022-05-12 thomas const struct got_error *
3214 7d0d4920 2022-05-12 thomas got_privsep_recv_object_idlist(int *done, struct got_object_id **ids,
3215 7d0d4920 2022-05-12 thomas size_t *nids, struct imsgbuf *ibuf)
3217 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3218 7d0d4920 2022-05-12 thomas struct imsg imsg;
3219 7d0d4920 2022-05-12 thomas struct got_imsg_object_idlist *idlist;
3220 7d0d4920 2022-05-12 thomas size_t datalen;
3222 7d0d4920 2022-05-12 thomas *ids = NULL;
3223 7d0d4920 2022-05-12 thomas *done = 0;
3224 7d0d4920 2022-05-12 thomas *nids = 0;
3226 7d0d4920 2022-05-12 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3227 7d0d4920 2022-05-12 thomas if (err)
3228 7d0d4920 2022-05-12 thomas return err;
3230 7d0d4920 2022-05-12 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3231 7d0d4920 2022-05-12 thomas switch (imsg.hdr.type) {
3232 7d0d4920 2022-05-12 thomas case GOT_IMSG_OBJ_ID_LIST:
3233 7d0d4920 2022-05-12 thomas if (datalen < sizeof(*idlist)) {
3234 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3237 7d0d4920 2022-05-12 thomas idlist = imsg.data;
3238 31d32634 2022-06-23 thomas if (idlist->nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS ||
3239 31d32634 2022-06-23 thomas idlist->nids * sizeof(**ids) > datalen - sizeof(*idlist)) {
3240 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3243 7d0d4920 2022-05-12 thomas *nids = idlist->nids;
3244 7d0d4920 2022-05-12 thomas *ids = calloc(*nids, sizeof(**ids));
3245 7d0d4920 2022-05-12 thomas if (*ids == NULL) {
3246 7d0d4920 2022-05-12 thomas err = got_error_from_errno("calloc");
3249 623d55de 2022-06-23 thomas memcpy(*ids, (uint8_t *)imsg.data + sizeof(*idlist),
3250 7d0d4920 2022-05-12 thomas *nids * sizeof(**ids));
3252 7d0d4920 2022-05-12 thomas case GOT_IMSG_OBJ_ID_LIST_DONE:
3253 7d0d4920 2022-05-12 thomas *done = 1;
3255 7d0d4920 2022-05-12 thomas default:
3256 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3260 7d0d4920 2022-05-12 thomas imsg_free(&imsg);
3262 7d0d4920 2022-05-12 thomas return err;
3265 7d0d4920 2022-05-12 thomas const struct got_error *
3266 7d0d4920 2022-05-12 thomas got_privsep_send_delta_reuse_req(struct imsgbuf *ibuf)
3268 7d0d4920 2022-05-12 thomas if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_REQUEST, 0, 0, -1, NULL, 0)
3270 7d0d4920 2022-05-12 thomas return got_error_from_errno("imsg_compose DELTA_REUSE_REQUEST");
3272 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3275 7d0d4920 2022-05-12 thomas const struct got_error *
3276 7d0d4920 2022-05-12 thomas got_privsep_send_reused_deltas(struct imsgbuf *ibuf,
3277 7d0d4920 2022-05-12 thomas struct got_imsg_reused_delta *deltas, size_t ndeltas)
3279 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3280 7d0d4920 2022-05-12 thomas struct ibuf *wbuf;
3281 7d0d4920 2022-05-12 thomas struct got_imsg_reused_deltas ideltas;
3282 7d0d4920 2022-05-12 thomas size_t i;
3284 c26ee7ad 2022-06-23 thomas memset(&ideltas, 0, sizeof(ideltas));
3286 7d0d4920 2022-05-12 thomas if (ndeltas > GOT_IMSG_REUSED_DELTAS_MAX_NDELTAS)
3287 7d0d4920 2022-05-12 thomas return got_error(GOT_ERR_NO_SPACE);
3289 7d0d4920 2022-05-12 thomas wbuf = imsg_create(ibuf, GOT_IMSG_REUSED_DELTAS, 0, 0,
3290 7d0d4920 2022-05-12 thomas sizeof(ideltas) + ndeltas * sizeof(*deltas));
3291 7d0d4920 2022-05-12 thomas if (wbuf == NULL) {
3292 7d0d4920 2022-05-12 thomas err = got_error_from_errno("imsg_create REUSED_DELTAS");
3293 7d0d4920 2022-05-12 thomas return err;
3296 7d0d4920 2022-05-12 thomas ideltas.ndeltas = ndeltas;
3297 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &ideltas, sizeof(ideltas)) == -1)
3298 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add REUSED_DELTAS");
3300 7d0d4920 2022-05-12 thomas for (i = 0; i < ndeltas; i++) {
3301 7d0d4920 2022-05-12 thomas struct got_imsg_reused_delta *delta = &deltas[i];
3302 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, delta, sizeof(*delta)) == -1)
3303 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add REUSED_DELTAS");
3306 7d0d4920 2022-05-12 thomas wbuf->fd = -1;
3307 7d0d4920 2022-05-12 thomas imsg_close(ibuf, wbuf);
3309 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3312 7d0d4920 2022-05-12 thomas const struct got_error *
3313 7d0d4920 2022-05-12 thomas got_privsep_send_reused_deltas_done(struct imsgbuf *ibuf)
3315 7d0d4920 2022-05-12 thomas if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_DONE, 0, 0, -1, NULL, 0)
3317 7d0d4920 2022-05-12 thomas return got_error_from_errno("imsg_compose DELTA_REUSE_DONE");
3319 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3322 7d0d4920 2022-05-12 thomas const struct got_error *
3323 7d0d4920 2022-05-12 thomas got_privsep_recv_reused_deltas(int *done, struct got_imsg_reused_delta *deltas,
3324 7d0d4920 2022-05-12 thomas size_t *ndeltas, struct imsgbuf *ibuf)
3326 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3327 7d0d4920 2022-05-12 thomas struct imsg imsg;
3328 7d0d4920 2022-05-12 thomas struct got_imsg_reused_deltas *ideltas;
3329 7d0d4920 2022-05-12 thomas size_t datalen;
3331 7d0d4920 2022-05-12 thomas *done = 0;
3332 7d0d4920 2022-05-12 thomas *ndeltas = 0;
3334 7d0d4920 2022-05-12 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3335 7d0d4920 2022-05-12 thomas if (err)
3336 7d0d4920 2022-05-12 thomas return err;
3338 7d0d4920 2022-05-12 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3339 7d0d4920 2022-05-12 thomas switch (imsg.hdr.type) {
3340 7d0d4920 2022-05-12 thomas case GOT_IMSG_REUSED_DELTAS:
3341 7d0d4920 2022-05-12 thomas if (datalen < sizeof(*ideltas)) {
3342 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3345 7d0d4920 2022-05-12 thomas ideltas = imsg.data;
3346 31d32634 2022-06-23 thomas if (ideltas->ndeltas > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS ||
3347 31d32634 2022-06-23 thomas ideltas->ndeltas * sizeof(*deltas) >
3348 31d32634 2022-06-23 thomas datalen - sizeof(*ideltas)) {
3349 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3352 7d0d4920 2022-05-12 thomas *ndeltas = ideltas->ndeltas;
3353 623d55de 2022-06-23 thomas memcpy(deltas, (uint8_t *)imsg.data + sizeof(*ideltas),
3354 7d0d4920 2022-05-12 thomas *ndeltas * sizeof(*deltas));
3356 7d0d4920 2022-05-12 thomas case GOT_IMSG_DELTA_REUSE_DONE:
3357 7d0d4920 2022-05-12 thomas *done = 1;
3359 7d0d4920 2022-05-12 thomas default:
3360 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3364 7d0d4920 2022-05-12 thomas imsg_free(&imsg);
3366 ec2b23c5 2022-07-01 thomas return err;
3369 ec2b23c5 2022-07-01 thomas const struct got_error *
3370 ec2b23c5 2022-07-01 thomas got_privsep_init_commit_painting(struct imsgbuf *ibuf)
3372 ec2b23c5 2022-07-01 thomas if (imsg_compose(ibuf, GOT_IMSG_COMMIT_PAINTING_INIT,
3373 ec2b23c5 2022-07-01 thomas 0, 0, -1, NULL, 0)
3375 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_compose "
3376 ec2b23c5 2022-07-01 thomas "COMMIT_PAINTING_INIT");
3378 ec2b23c5 2022-07-01 thomas return flush_imsg(ibuf);
3381 ec2b23c5 2022-07-01 thomas const struct got_error *
3382 ec2b23c5 2022-07-01 thomas got_privsep_send_painting_request(struct imsgbuf *ibuf, int idx,
3383 ec2b23c5 2022-07-01 thomas struct got_object_id *id, intptr_t color)
3385 ec2b23c5 2022-07-01 thomas struct got_imsg_commit_painting_request ireq;
3387 ec2b23c5 2022-07-01 thomas memset(&ireq, 0, sizeof(ireq));
3388 35cdfa2c 2023-02-20 thomas memcpy(&ireq.id, id, sizeof(ireq.id));
3389 ec2b23c5 2022-07-01 thomas ireq.idx = idx;
3390 ec2b23c5 2022-07-01 thomas ireq.color = color;
3392 ec2b23c5 2022-07-01 thomas if (imsg_compose(ibuf, GOT_IMSG_COMMIT_PAINTING_REQUEST, 0, 0, -1,
3393 ec2b23c5 2022-07-01 thomas &ireq, sizeof(ireq)) == -1)
3394 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_compose "
3395 ec2b23c5 2022-07-01 thomas "COMMIT_PAINTING_REQUEST");
3397 ec2b23c5 2022-07-01 thomas return flush_imsg(ibuf);
3400 ec2b23c5 2022-07-01 thomas static const struct got_error *
3401 ec2b23c5 2022-07-01 thomas send_painted_commits(struct got_object_id_queue *ids, int *nids,
3402 ec2b23c5 2022-07-01 thomas size_t remain, int present_in_pack, struct imsgbuf *ibuf)
3404 ec2b23c5 2022-07-01 thomas const struct got_error *err = NULL;
3405 ec2b23c5 2022-07-01 thomas struct ibuf *wbuf = NULL;
3406 ec2b23c5 2022-07-01 thomas struct got_object_qid *qid;
3407 ec2b23c5 2022-07-01 thomas size_t msglen;
3408 ec2b23c5 2022-07-01 thomas int ncommits;
3409 ec2b23c5 2022-07-01 thomas intptr_t color;
3411 ec2b23c5 2022-07-01 thomas msglen = MIN(remain, MAX_IMSGSIZE - IMSG_HEADER_SIZE);
3412 ec2b23c5 2022-07-01 thomas ncommits = (msglen - sizeof(struct got_imsg_painted_commits)) /
3413 ec2b23c5 2022-07-01 thomas sizeof(struct got_imsg_painted_commit);
3415 ec2b23c5 2022-07-01 thomas wbuf = imsg_create(ibuf, GOT_IMSG_PAINTED_COMMITS, 0, 0, msglen);
3416 ec2b23c5 2022-07-01 thomas if (wbuf == NULL) {
3417 ec2b23c5 2022-07-01 thomas err = got_error_from_errno("imsg_create PAINTED_COMMITS");
3418 ec2b23c5 2022-07-01 thomas return err;
3421 ec2b23c5 2022-07-01 thomas /* Keep in sync with struct got_imsg_painted_commits! */
3422 ec2b23c5 2022-07-01 thomas if (imsg_add(wbuf, &ncommits, sizeof(ncommits)) == -1)
3423 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_add PAINTED_COMMITS");
3424 ec2b23c5 2022-07-01 thomas if (imsg_add(wbuf, &present_in_pack, sizeof(present_in_pack)) == -1)
3425 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_add PAINTED_COMMITS");
3427 ec2b23c5 2022-07-01 thomas while (ncommits > 0) {
3428 ec2b23c5 2022-07-01 thomas qid = STAILQ_FIRST(ids);
3429 ec2b23c5 2022-07-01 thomas STAILQ_REMOVE_HEAD(ids, entry);
3430 ec2b23c5 2022-07-01 thomas ncommits--;
3431 ec2b23c5 2022-07-01 thomas (*nids)--;
3432 ec2b23c5 2022-07-01 thomas color = (intptr_t)qid->data;
3434 ec2b23c5 2022-07-01 thomas /* Keep in sync with struct got_imsg_painted_commit! */
3435 ec2b23c5 2022-07-01 thomas if (imsg_add(wbuf, qid->id.sha1, SHA1_DIGEST_LENGTH) == -1)
3436 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_add PAINTED_COMMITS");
3437 ec2b23c5 2022-07-01 thomas if (imsg_add(wbuf, &color, sizeof(color)) == -1)
3438 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_add PAINTED_COMMITS");
3440 ec2b23c5 2022-07-01 thomas got_object_qid_free(qid);
3443 ec2b23c5 2022-07-01 thomas wbuf->fd = -1;
3444 ec2b23c5 2022-07-01 thomas imsg_close(ibuf, wbuf);
3446 ec2b23c5 2022-07-01 thomas return flush_imsg(ibuf);
3449 ec2b23c5 2022-07-01 thomas const struct got_error *
3450 ec2b23c5 2022-07-01 thomas got_privsep_send_painted_commits(struct imsgbuf *ibuf,
3451 ec2b23c5 2022-07-01 thomas struct got_object_id_queue *ids, int *nids,
3452 ec2b23c5 2022-07-01 thomas int present_in_pack, int flush)
3454 ec2b23c5 2022-07-01 thomas const struct got_error *err;
3455 ec2b23c5 2022-07-01 thomas size_t remain;
3457 ec2b23c5 2022-07-01 thomas if (*nids <= 0)
3458 ec2b23c5 2022-07-01 thomas return NULL;
3461 ec2b23c5 2022-07-01 thomas remain = (sizeof(struct got_imsg_painted_commits)) +
3462 ec2b23c5 2022-07-01 thomas *nids * sizeof(struct got_imsg_painted_commit);
3463 ec2b23c5 2022-07-01 thomas if (flush || remain >= MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
3464 ec2b23c5 2022-07-01 thomas err = send_painted_commits(ids, nids, remain,
3465 ec2b23c5 2022-07-01 thomas present_in_pack, ibuf);
3466 ec2b23c5 2022-07-01 thomas if (err)
3467 ec2b23c5 2022-07-01 thomas return err;
3469 ec2b23c5 2022-07-01 thomas } while (flush && *nids > 0);
3471 ec2b23c5 2022-07-01 thomas return NULL;
3474 ec2b23c5 2022-07-01 thomas const struct got_error *
3475 ec2b23c5 2022-07-01 thomas got_privsep_send_painting_commits_done(struct imsgbuf *ibuf)
3477 ec2b23c5 2022-07-01 thomas if (imsg_compose(ibuf, GOT_IMSG_COMMIT_PAINTING_DONE,
3478 ec2b23c5 2022-07-01 thomas 0, 0, -1, NULL, 0)
3480 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_compose "
3481 ec2b23c5 2022-07-01 thomas "COMMIT_PAINTING_DONE");
3483 ec2b23c5 2022-07-01 thomas return flush_imsg(ibuf);
3486 ec2b23c5 2022-07-01 thomas const struct got_error *
3487 ec2b23c5 2022-07-01 thomas got_privsep_recv_painted_commits(struct got_object_id_queue *new_ids,
3488 ec2b23c5 2022-07-01 thomas got_privsep_recv_painted_commit_cb cb, void *cb_arg, struct imsgbuf *ibuf)
3490 ec2b23c5 2022-07-01 thomas const struct got_error *err = NULL;
3491 ec2b23c5 2022-07-01 thomas struct imsg imsg;
3492 ec2b23c5 2022-07-01 thomas struct got_imsg_painted_commits icommits;
3493 ec2b23c5 2022-07-01 thomas struct got_imsg_painted_commit icommit;
3494 ec2b23c5 2022-07-01 thomas size_t datalen;
3497 ec2b23c5 2022-07-01 thomas for (;;) {
3498 ec2b23c5 2022-07-01 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3499 ec2b23c5 2022-07-01 thomas if (err)
3500 ec2b23c5 2022-07-01 thomas return err;
3502 ec2b23c5 2022-07-01 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3503 ec2b23c5 2022-07-01 thomas if (imsg.hdr.type == GOT_IMSG_COMMIT_PAINTING_DONE)
3505 ec2b23c5 2022-07-01 thomas if (imsg.hdr.type != GOT_IMSG_PAINTED_COMMITS)
3506 ec2b23c5 2022-07-01 thomas return got_error(GOT_ERR_PRIVSEP_MSG);
3508 ec2b23c5 2022-07-01 thomas if (datalen < sizeof(icommits))
3509 ec2b23c5 2022-07-01 thomas return got_error(GOT_ERR_PRIVSEP_LEN);
3510 ec2b23c5 2022-07-01 thomas memcpy(&icommits, imsg.data, sizeof(icommits));
3511 ec2b23c5 2022-07-01 thomas if (icommits.ncommits * sizeof(icommit) < icommits.ncommits ||
3512 ec2b23c5 2022-07-01 thomas datalen < sizeof(icommits) +
3513 ec2b23c5 2022-07-01 thomas icommits.ncommits * sizeof(icommit))
3514 ec2b23c5 2022-07-01 thomas return got_error(GOT_ERR_PRIVSEP_LEN);
3516 ec2b23c5 2022-07-01 thomas for (i = 0; i < icommits.ncommits; i++) {
3517 ec2b23c5 2022-07-01 thomas memcpy(&icommit,
3518 ec2b23c5 2022-07-01 thomas (uint8_t *)imsg.data + sizeof(icommits) + i * sizeof(icommit),
3519 ec2b23c5 2022-07-01 thomas sizeof(icommit));
3521 ec2b23c5 2022-07-01 thomas if (icommits.present_in_pack) {
3522 ec2b23c5 2022-07-01 thomas struct got_object_id id;
3523 ec2b23c5 2022-07-01 thomas memcpy(id.sha1, icommit.id, SHA1_DIGEST_LENGTH);
3524 ec2b23c5 2022-07-01 thomas err = cb(cb_arg, &id, icommit.color);
3525 ec2b23c5 2022-07-01 thomas if (err)
3527 ec2b23c5 2022-07-01 thomas } else {
3528 ec2b23c5 2022-07-01 thomas struct got_object_qid *qid;
3529 ec2b23c5 2022-07-01 thomas err = got_object_qid_alloc_partial(&qid);
3530 ec2b23c5 2022-07-01 thomas if (err)
3532 ec2b23c5 2022-07-01 thomas memcpy(qid->id.sha1, icommit.id,
3533 ec2b23c5 2022-07-01 thomas SHA1_DIGEST_LENGTH);
3534 ec2b23c5 2022-07-01 thomas qid->data = (void *)icommit.color;
3535 ec2b23c5 2022-07-01 thomas STAILQ_INSERT_TAIL(new_ids, qid, entry);
3539 ec2b23c5 2022-07-01 thomas imsg_free(&imsg);
3542 f9c2e8e5 2022-02-13 thomas return err;
3545 f9c2e8e5 2022-02-13 thomas const struct got_error *
3546 63219cd2 2019-01-04 stsp got_privsep_unveil_exec_helpers(void)
3548 c39c25dd 2019-08-09 stsp const char *helpers[] = {
3549 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_PACK,
3550 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_OBJECT,
3551 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_COMMIT,
3552 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TREE,
3553 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_BLOB,
3554 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TAG,
3555 aba9c984 2019-09-08 stsp GOT_PATH_PROG_READ_GITCONFIG,
3556 257add31 2020-09-09 stsp GOT_PATH_PROG_READ_GOTCONFIG,
3557 069bbb86 2022-03-07 thomas GOT_PATH_PROG_READ_PATCH,
3558 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_FETCH_PACK,
3559 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_INDEX_PACK,
3560 f8a36e22 2021-08-26 stsp GOT_PATH_PROG_SEND_PACK,
3564 c39c25dd 2019-08-09 stsp for (i = 0; i < nitems(helpers); i++) {
3565 c39c25dd 2019-08-09 stsp if (unveil(helpers[i], "x") == 0)
3567 c39c25dd 2019-08-09 stsp return got_error_from_errno2("unveil", helpers[i]);
3570 63219cd2 2019-01-04 stsp return NULL;
3574 aba9c984 2019-09-08 stsp got_privsep_exec_child(int imsg_fds[2], const char *path, const char *repo_path)
3576 08578a35 2021-01-22 stsp if (close(imsg_fds[0]) == -1) {
3577 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3581 aba9c984 2019-09-08 stsp if (dup2(imsg_fds[1], GOT_IMSG_FD_CHILD) == -1) {
3582 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3586 ce95518e 2021-12-10 thomas closefrom(GOT_IMSG_FD_CHILD + 1);
3588 aba9c984 2019-09-08 stsp if (execl(path, path, repo_path, (char *)NULL) == -1) {
3589 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s: %s\n", getprogname(), path,
3590 aba9c984 2019-09-08 stsp strerror(errno));