2 5aa81393 2020-01-06 stsp * Copyright (c) 2018, 2019, 2020 Stefan Sperling <stsp@openbsd.org>
3 93658fb9 2020-03-18 stsp * Copyright (c) 2020 Ori Bernstein <ori@openbsd.org>
5 2178c42e 2018-04-22 stsp * Permission to use, copy, modify, and distribute this software for any
6 2178c42e 2018-04-22 stsp * purpose with or without fee is hereby granted, provided that the above
7 2178c42e 2018-04-22 stsp * copyright notice and this permission notice appear in all copies.
9 2178c42e 2018-04-22 stsp * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 2178c42e 2018-04-22 stsp * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 2178c42e 2018-04-22 stsp * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 2178c42e 2018-04-22 stsp * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 2178c42e 2018-04-22 stsp * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 2178c42e 2018-04-22 stsp * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 2178c42e 2018-04-22 stsp * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 2178c42e 2018-04-22 stsp #include <sys/types.h>
19 8b925c6c 2022-07-16 thomas #include <sys/queue.h>
20 2178c42e 2018-04-22 stsp #include <sys/uio.h>
21 876c234b 2018-09-10 stsp #include <sys/wait.h>
23 531c3985 2020-03-18 stsp #include <ctype.h>
24 23c57b28 2020-09-11 naddy #include <limits.h>
25 a486b62b 2021-05-18 stsp #include <signal.h>
26 2178c42e 2018-04-22 stsp #include <stdio.h>
27 2178c42e 2018-04-22 stsp #include <stdlib.h>
28 2178c42e 2018-04-22 stsp #include <string.h>
29 2178c42e 2018-04-22 stsp #include <errno.h>
30 2178c42e 2018-04-22 stsp #include <stdint.h>
31 2178c42e 2018-04-22 stsp #include <poll.h>
32 588a8092 2023-02-23 thomas #include <imsg.h>
33 81a12da5 2020-09-09 naddy #include <unistd.h>
34 2178c42e 2018-04-22 stsp #include <zlib.h>
36 dd038bc6 2021-09-21 thomas.ad #include "got_compat.h"
38 2178c42e 2018-04-22 stsp #include "got_object.h"
39 2178c42e 2018-04-22 stsp #include "got_error.h"
40 3022d272 2019-11-14 stsp #include "got_path.h"
41 cd95becd 2019-11-29 stsp #include "got_repository.h"
43 be288a59 2023-02-23 thomas #include "got_lib_hash.h"
44 2178c42e 2018-04-22 stsp #include "got_lib_delta.h"
45 63581804 2018-07-09 stsp #include "got_lib_inflate.h"
46 2178c42e 2018-04-22 stsp #include "got_lib_object.h"
47 a440fac0 2018-09-06 stsp #include "got_lib_object_parse.h"
48 2178c42e 2018-04-22 stsp #include "got_lib_privsep.h"
49 876c234b 2018-09-10 stsp #include "got_lib_pack.h"
50 3efd8e31 2022-10-23 thomas #include "got_lib_poll.h"
52 ef20f542 2022-06-26 thomas #include "got_privsep.h"
55 2178c42e 2018-04-22 stsp #define MIN(_a,_b) ((_a) < (_b) ? (_a) : (_b))
58 c39c25dd 2019-08-09 stsp #ifndef nitems
59 c39c25dd 2019-08-09 stsp #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
62 2178c42e 2018-04-22 stsp static const struct got_error *
63 e033d803 2018-04-23 stsp read_imsg(struct imsgbuf *ibuf)
65 fe36cf76 2018-04-23 stsp const struct got_error *err;
68 3efd8e31 2022-10-23 thomas err = got_poll_fd(ibuf->fd, POLLIN, INFTIM);
69 3efd8e31 2022-10-23 thomas if (err) {
70 3efd8e31 2022-10-23 thomas if (err->code == GOT_ERR_EOF)
71 3efd8e31 2022-10-23 thomas return got_error(GOT_ERR_PRIVSEP_PIPE);
72 ff470224 2022-05-19 thomas return err;
75 fe36cf76 2018-04-23 stsp n = imsg_read(ibuf);
76 fe36cf76 2018-04-23 stsp if (n == -1) {
77 fe36cf76 2018-04-23 stsp if (errno == EAGAIN) /* Could be a file-descriptor leak. */
78 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_NO_FD);
79 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_READ);
82 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_PIPE);
84 e033d803 2018-04-23 stsp return NULL;
87 ad242220 2018-09-08 stsp const struct got_error *
88 876c234b 2018-09-10 stsp got_privsep_wait_for_child(pid_t pid)
90 876c234b 2018-09-10 stsp int child_status;
92 2cb49fa8 2019-05-10 stsp if (waitpid(pid, &child_status, 0) == -1)
93 638f9024 2019-05-13 stsp return got_error_from_errno("waitpid");
95 876c234b 2018-09-10 stsp if (!WIFEXITED(child_status))
96 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_DIED);
98 876c234b 2018-09-10 stsp if (WEXITSTATUS(child_status) != 0)
99 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_EXIT);
101 876c234b 2018-09-10 stsp return NULL;
104 73b7854a 2018-11-11 stsp static const struct got_error *
105 73b7854a 2018-11-11 stsp recv_imsg_error(struct imsg *imsg, size_t datalen)
107 73b7854a 2018-11-11 stsp struct got_imsg_error *ierr;
109 73b7854a 2018-11-11 stsp if (datalen != sizeof(*ierr))
110 73b7854a 2018-11-11 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
112 73b7854a 2018-11-11 stsp ierr = imsg->data;
113 73b7854a 2018-11-11 stsp if (ierr->code == GOT_ERR_ERRNO) {
114 73b7854a 2018-11-11 stsp static struct got_error serr;
115 73b7854a 2018-11-11 stsp serr.code = GOT_ERR_ERRNO;
116 73b7854a 2018-11-11 stsp serr.msg = strerror(ierr->errno_code);
117 73b7854a 2018-11-11 stsp return &serr;
120 73b7854a 2018-11-11 stsp return got_error(ierr->code);
123 876c234b 2018-09-10 stsp const struct got_error *
124 46de5bfd 2018-11-11 stsp got_privsep_recv_imsg(struct imsg *imsg, struct imsgbuf *ibuf,
125 46de5bfd 2018-11-11 stsp size_t min_datalen)
127 e033d803 2018-04-23 stsp const struct got_error *err;
130 e033d803 2018-04-23 stsp n = imsg_get(ibuf, imsg);
131 876c234b 2018-09-10 stsp if (n == -1)
132 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_get");
134 876c234b 2018-09-10 stsp while (n == 0) {
135 876c234b 2018-09-10 stsp err = read_imsg(ibuf);
137 876c234b 2018-09-10 stsp return err;
138 876c234b 2018-09-10 stsp n = imsg_get(ibuf, imsg);
139 cbfaaf20 2020-01-06 stsp if (n == -1)
140 cbfaaf20 2020-01-06 stsp return got_error_from_errno("imsg_get");
143 fe36cf76 2018-04-23 stsp if (imsg->hdr.len < IMSG_HEADER_SIZE + min_datalen)
144 c4eae628 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
146 73b7854a 2018-11-11 stsp if (imsg->hdr.type == GOT_IMSG_ERROR) {
147 73b7854a 2018-11-11 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
148 73b7854a 2018-11-11 stsp return recv_imsg_error(imsg, datalen);
151 73b7854a 2018-11-11 stsp return NULL;
154 2178c42e 2018-04-22 stsp /* Attempt to send an error in an imsg. Complain on stderr as a last resort. */
156 2178c42e 2018-04-22 stsp got_privsep_send_error(struct imsgbuf *ibuf, const struct got_error *err)
158 2178c42e 2018-04-22 stsp const struct got_error *poll_err;
159 2178c42e 2018-04-22 stsp struct got_imsg_error ierr;
162 2178c42e 2018-04-22 stsp ierr.code = err->code;
163 2178c42e 2018-04-22 stsp if (err->code == GOT_ERR_ERRNO)
164 2178c42e 2018-04-22 stsp ierr.errno_code = errno;
166 2178c42e 2018-04-22 stsp ierr.errno_code = 0;
167 2178c42e 2018-04-22 stsp ret = imsg_compose(ibuf, GOT_IMSG_ERROR, 0, 0, -1, &ierr, sizeof(ierr));
168 e93cd828 2018-11-11 stsp if (ret == -1) {
169 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_compose: %s\n",
170 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
174 3efd8e31 2022-10-23 thomas poll_err = got_poll_fd(ibuf->fd, POLLOUT, INFTIM);
175 5d43e84d 2018-04-23 stsp if (poll_err) {
176 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": poll: %s\n",
177 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, poll_err->msg);
181 2178c42e 2018-04-22 stsp ret = imsg_flush(ibuf);
182 5d43e84d 2018-04-23 stsp if (ret == -1) {
183 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_flush: %s\n",
184 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
185 e2752401 2022-02-16 thomas imsg_clear(ibuf);
190 e033d803 2018-04-23 stsp static const struct got_error *
191 e033d803 2018-04-23 stsp flush_imsg(struct imsgbuf *ibuf)
193 e033d803 2018-04-23 stsp const struct got_error *err;
195 3efd8e31 2022-10-23 thomas err = got_poll_fd(ibuf->fd, POLLOUT, INFTIM);
197 e033d803 2018-04-23 stsp return err;
199 e2752401 2022-02-16 thomas if (imsg_flush(ibuf) == -1) {
200 e2752401 2022-02-16 thomas imsg_clear(ibuf);
201 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_flush");
204 e033d803 2018-04-23 stsp return NULL;
207 ad242220 2018-09-08 stsp const struct got_error *
208 e70bf110 2020-03-22 stsp got_privsep_flush_imsg(struct imsgbuf *ibuf)
210 e70bf110 2020-03-22 stsp return flush_imsg(ibuf);
213 e70bf110 2020-03-22 stsp const struct got_error *
214 ad242220 2018-09-08 stsp got_privsep_send_stop(int fd)
216 ad242220 2018-09-08 stsp const struct got_error *err = NULL;
217 ad242220 2018-09-08 stsp struct imsgbuf ibuf;
219 ad242220 2018-09-08 stsp imsg_init(&ibuf, fd);
221 ad242220 2018-09-08 stsp if (imsg_compose(&ibuf, GOT_IMSG_STOP, 0, 0, -1, NULL, 0) == -1)
222 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose STOP");
224 ad242220 2018-09-08 stsp err = flush_imsg(&ibuf);
225 ad242220 2018-09-08 stsp return err;
228 93658fb9 2020-03-18 stsp const struct got_error *
229 d5c81d44 2021-07-08 stsp got_privsep_send_obj_req(struct imsgbuf *ibuf, int fd,
230 d5c81d44 2021-07-08 stsp struct got_object_id *id)
232 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT_REQUEST, 0, 0, fd,
233 d5c81d44 2021-07-08 stsp id, sizeof(*id)) == -1)
234 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT_REQUEST");
236 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
239 59d1e4a0 2021-03-10 stsp const struct got_error *
240 d5c81d44 2021-07-08 stsp got_privsep_send_raw_obj_req(struct imsgbuf *ibuf, int fd,
241 d5c81d44 2021-07-08 stsp struct got_object_id *id)
243 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_OBJECT_REQUEST, 0, 0, fd,
244 d5c81d44 2021-07-08 stsp id, sizeof(*id)) == -1)
245 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose RAW_OBJECT_REQUEST");
247 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
250 59d1e4a0 2021-03-10 stsp const struct got_error *
251 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj_outfd(struct imsgbuf *ibuf, int outfd)
253 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
255 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_OBJECT_OUTFD, 0, 0, outfd, NULL, 0)
257 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_compose RAW_OBJECT_OUTFD");
258 59d1e4a0 2021-03-10 stsp close(outfd);
259 59d1e4a0 2021-03-10 stsp return err;
262 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
265 59d1e4a0 2021-03-10 stsp const struct got_error *
266 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj(struct imsgbuf *ibuf, off_t size, size_t hdrlen,
267 59d1e4a0 2021-03-10 stsp uint8_t *data)
269 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
270 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj iobj;
271 59d1e4a0 2021-03-10 stsp size_t len = sizeof(iobj);
272 59d1e4a0 2021-03-10 stsp struct ibuf *wbuf;
274 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
275 59d1e4a0 2021-03-10 stsp iobj.hdrlen = hdrlen;
276 59d1e4a0 2021-03-10 stsp iobj.size = size;
278 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX)
279 a8591711 2021-06-18 stsp len += (size_t)size + hdrlen;
281 59d1e4a0 2021-03-10 stsp wbuf = imsg_create(ibuf, GOT_IMSG_RAW_OBJECT, 0, 0, len);
282 59d1e4a0 2021-03-10 stsp if (wbuf == NULL) {
283 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_create RAW_OBJECT");
284 59d1e4a0 2021-03-10 stsp return err;
287 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &iobj, sizeof(iobj)) == -1)
288 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add RAW_OBJECT");
290 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
291 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, data, size + hdrlen) == -1)
292 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add RAW_OBJECT");
295 59d1e4a0 2021-03-10 stsp wbuf->fd = -1;
296 59d1e4a0 2021-03-10 stsp imsg_close(ibuf, wbuf);
298 1785f84a 2018-12-23 stsp return flush_imsg(ibuf);
301 1785f84a 2018-12-23 stsp const struct got_error *
302 59d1e4a0 2021-03-10 stsp got_privsep_recv_raw_obj(uint8_t **outbuf, off_t *size, size_t *hdrlen,
303 59d1e4a0 2021-03-10 stsp struct imsgbuf *ibuf)
305 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
306 59d1e4a0 2021-03-10 stsp struct imsg imsg;
307 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj *iobj;
308 59d1e4a0 2021-03-10 stsp size_t datalen;
310 59d1e4a0 2021-03-10 stsp *outbuf = NULL;
312 59d1e4a0 2021-03-10 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
314 59d1e4a0 2021-03-10 stsp return err;
316 59d1e4a0 2021-03-10 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
318 59d1e4a0 2021-03-10 stsp switch (imsg.hdr.type) {
319 59d1e4a0 2021-03-10 stsp case GOT_IMSG_RAW_OBJECT:
320 59d1e4a0 2021-03-10 stsp if (datalen < sizeof(*iobj)) {
321 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
324 59d1e4a0 2021-03-10 stsp iobj = imsg.data;
325 59d1e4a0 2021-03-10 stsp *size = iobj->size;
326 59d1e4a0 2021-03-10 stsp *hdrlen = iobj->hdrlen;
328 59d1e4a0 2021-03-10 stsp if (datalen == sizeof(*iobj)) {
329 59d1e4a0 2021-03-10 stsp /* Data has been written to file descriptor. */
333 31d32634 2022-06-23 thomas if (*size < 0 ||
334 31d32634 2022-06-23 thomas *size + *hdrlen > GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
335 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
339 a8591711 2021-06-18 stsp *outbuf = malloc(*size + *hdrlen);
340 59d1e4a0 2021-03-10 stsp if (*outbuf == NULL) {
341 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("malloc");
344 a8591711 2021-06-18 stsp memcpy(*outbuf, imsg.data + sizeof(*iobj), *size + *hdrlen);
347 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
351 59d1e4a0 2021-03-10 stsp imsg_free(&imsg);
353 59d1e4a0 2021-03-10 stsp return err;
356 59d1e4a0 2021-03-10 stsp const struct got_error *
357 1785f84a 2018-12-23 stsp got_privsep_send_commit_req(struct imsgbuf *ibuf, int fd,
358 1785f84a 2018-12-23 stsp struct got_object_id *id, int pack_idx)
360 41496140 2019-02-21 stsp const struct got_error *err = NULL;
361 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
362 d5c81d44 2021-07-08 stsp void *data;
363 1785f84a 2018-12-23 stsp size_t len;
365 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
366 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* commit is packed */
367 1785f84a 2018-12-23 stsp iobj.idx = pack_idx;
368 b6f67730 2023-02-03 thomas memcpy(&iobj.id, id, sizeof(iobj.id));
369 d5c81d44 2021-07-08 stsp data = &iobj;
370 1785f84a 2018-12-23 stsp len = sizeof(iobj);
373 d5c81d44 2021-07-08 stsp len = sizeof(*id);
376 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_REQUEST, 0, 0, fd, data, len)
378 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT_REQUEST");
380 41496140 2019-02-21 stsp return err;
383 13c729f7 2018-12-24 stsp return flush_imsg(ibuf);
386 13c729f7 2018-12-24 stsp const struct got_error *
387 13c729f7 2018-12-24 stsp got_privsep_send_tree_req(struct imsgbuf *ibuf, int fd,
388 13c729f7 2018-12-24 stsp struct got_object_id *id, int pack_idx)
390 7f358e3b 2019-11-23 stsp struct ibuf *wbuf;
391 d5c81d44 2021-07-08 stsp size_t len;
393 d5c81d44 2021-07-08 stsp if (pack_idx != -1)
394 d5c81d44 2021-07-08 stsp len = sizeof(struct got_imsg_packed_object);
396 d5c81d44 2021-07-08 stsp len = sizeof(*id);
398 7f358e3b 2019-11-23 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_REQUEST, 0, 0, len);
399 7f358e3b 2019-11-23 stsp if (wbuf == NULL)
400 7f358e3b 2019-11-23 stsp return got_error_from_errno("imsg_create TREE_REQUEST");
402 fc842fc8 2023-02-03 thomas if (imsg_add(wbuf, id, sizeof(*id)) == -1)
403 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_REQUEST");
405 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tree is packed */
406 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &pack_idx, sizeof(pack_idx)) == -1)
407 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_REQUEST");
410 7f358e3b 2019-11-23 stsp wbuf->fd = fd;
411 7f358e3b 2019-11-23 stsp imsg_close(ibuf, wbuf);
413 268f7291 2018-12-24 stsp return flush_imsg(ibuf);
416 268f7291 2018-12-24 stsp const struct got_error *
417 268f7291 2018-12-24 stsp got_privsep_send_tag_req(struct imsgbuf *ibuf, int fd,
418 268f7291 2018-12-24 stsp struct got_object_id *id, int pack_idx)
420 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
421 d5c81d44 2021-07-08 stsp void *data;
422 268f7291 2018-12-24 stsp size_t len;
424 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
425 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tag is packed */
426 268f7291 2018-12-24 stsp iobj.idx = pack_idx;
427 b6f67730 2023-02-03 thomas memcpy(&iobj.id, id, sizeof(iobj.id));
428 d5c81d44 2021-07-08 stsp data = &iobj;
429 268f7291 2018-12-24 stsp len = sizeof(iobj);
432 d5c81d44 2021-07-08 stsp len = sizeof(*id);
435 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_REQUEST, 0, 0, fd, data, len)
437 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose TAG_REQUEST");
439 7762fe12 2018-11-05 stsp return flush_imsg(ibuf);
442 7762fe12 2018-11-05 stsp const struct got_error *
443 ebc55e2d 2018-12-24 stsp got_privsep_send_blob_req(struct imsgbuf *ibuf, int infd,
444 ebc55e2d 2018-12-24 stsp struct got_object_id *id, int pack_idx)
446 41496140 2019-02-21 stsp const struct got_error *err = NULL;
447 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
448 d5c81d44 2021-07-08 stsp void *data;
449 ebc55e2d 2018-12-24 stsp size_t len;
451 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
452 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* blob is packed */
453 ebc55e2d 2018-12-24 stsp iobj.idx = pack_idx;
454 b6f67730 2023-02-03 thomas memcpy(&iobj.id, id, sizeof(iobj.id));
455 d5c81d44 2021-07-08 stsp data = &iobj;
456 ebc55e2d 2018-12-24 stsp len = sizeof(iobj);
459 d5c81d44 2021-07-08 stsp len = sizeof(*id);
462 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_REQUEST, 0, 0, infd, data, len)
464 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_REQUEST");
465 41496140 2019-02-21 stsp close(infd);
466 41496140 2019-02-21 stsp return err;
469 55da3778 2018-09-10 stsp return flush_imsg(ibuf);
472 55da3778 2018-09-10 stsp const struct got_error *
473 55da3778 2018-09-10 stsp got_privsep_send_blob_outfd(struct imsgbuf *ibuf, int outfd)
475 41496140 2019-02-21 stsp const struct got_error *err = NULL;
477 ad242220 2018-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_OUTFD, 0, 0, outfd, NULL, 0)
479 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_OUTFD");
480 41496140 2019-02-21 stsp close(outfd);
481 41496140 2019-02-21 stsp return err;
484 3840f4c9 2018-09-12 stsp return flush_imsg(ibuf);
487 73ab1060 2020-03-18 stsp static const struct got_error *
488 73ab1060 2020-03-18 stsp send_fd(struct imsgbuf *ibuf, int imsg_code, int fd)
490 41496140 2019-02-21 stsp const struct got_error *err = NULL;
492 73ab1060 2020-03-18 stsp if (imsg_compose(ibuf, imsg_code, 0, 0, fd, NULL, 0) == -1) {
493 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TMPFD");
495 41496140 2019-02-21 stsp return err;
498 ad242220 2018-09-08 stsp return flush_imsg(ibuf);
501 ad242220 2018-09-08 stsp const struct got_error *
502 73ab1060 2020-03-18 stsp got_privsep_send_tmpfd(struct imsgbuf *ibuf, int fd)
504 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_TMPFD, fd);
507 73ab1060 2020-03-18 stsp const struct got_error *
508 876c234b 2018-09-10 stsp got_privsep_send_obj(struct imsgbuf *ibuf, struct got_object *obj)
510 2178c42e 2018-04-22 stsp struct got_imsg_object iobj;
512 1bb2bba2 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
514 fc842fc8 2023-02-03 thomas memcpy(&iobj.id, &obj->id, sizeof(iobj.id));
515 2178c42e 2018-04-22 stsp iobj.type = obj->type;
516 2178c42e 2018-04-22 stsp iobj.flags = obj->flags;
517 2178c42e 2018-04-22 stsp iobj.hdrlen = obj->hdrlen;
518 2178c42e 2018-04-22 stsp iobj.size = obj->size;
519 c59b3346 2018-09-11 stsp if (iobj.flags & GOT_OBJ_FLAG_PACKED) {
520 876c234b 2018-09-10 stsp iobj.pack_offset = obj->pack_offset;
521 c59b3346 2018-09-11 stsp iobj.pack_idx = obj->pack_idx;
524 2178c42e 2018-04-22 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT, 0, 0, -1, &iobj, sizeof(iobj))
526 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT");
528 c59b3346 2018-09-11 stsp return flush_imsg(ibuf);
531 cfd633c2 2018-09-10 stsp const struct got_error *
532 33501562 2020-03-18 stsp got_privsep_send_fetch_req(struct imsgbuf *ibuf, int fd,
533 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs, int fetch_all_branches,
534 abc59930 2021-09-05 naddy struct got_pathlist_head *wanted_branches,
535 9d0a7ee3 2023-02-07 thomas struct got_pathlist_head *wanted_refs, int list_refs_only,
536 7abf1863 2023-02-20 thomas const char *worktree_branch, const char *remote_head,
537 7abf1863 2023-02-20 thomas int no_head, int verbosity)
539 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
540 33501562 2020-03-18 stsp struct ibuf *wbuf;
541 33501562 2020-03-18 stsp struct got_pathlist_entry *pe;
542 4ba14133 2020-03-20 stsp struct got_imsg_fetch_request fetchreq;
543 7abf1863 2023-02-20 thomas size_t remote_head_len, worktree_branch_len, len = sizeof(fetchreq);
545 84073f62 2023-02-07 thomas if (worktree_branch) {
546 84073f62 2023-02-07 thomas worktree_branch_len = strlen(worktree_branch);
547 7abf1863 2023-02-20 thomas len += worktree_branch_len;
549 7abf1863 2023-02-20 thomas if (remote_head) {
550 7abf1863 2023-02-20 thomas remote_head_len = strlen(remote_head);
551 7abf1863 2023-02-20 thomas len += remote_head_len;
554 9d0a7ee3 2023-02-07 thomas if (len >= MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
555 9d0a7ee3 2023-02-07 thomas close(fd);
556 9d0a7ee3 2023-02-07 thomas return got_error(GOT_ERR_NO_SPACE);
559 9d0a7ee3 2023-02-07 thomas wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_REQUEST, 0, 0, len);
560 9d0a7ee3 2023-02-07 thomas if (wbuf == NULL)
561 9d0a7ee3 2023-02-07 thomas return got_error_from_errno("imsg_create FETCH_HAVE_REF");
563 4ba14133 2020-03-20 stsp memset(&fetchreq, 0, sizeof(fetchreq));
564 e0380e3d 2023-02-17 thomas fetchreq.no_head = no_head;
565 4ba14133 2020-03-20 stsp fetchreq.fetch_all_branches = fetch_all_branches;
566 41b0de12 2020-03-21 stsp fetchreq.list_refs_only = list_refs_only;
567 2690194b 2020-03-21 stsp fetchreq.verbosity = verbosity;
568 9d0a7ee3 2023-02-07 thomas if (worktree_branch != NULL)
569 84073f62 2023-02-07 thomas fetchreq.worktree_branch_len = worktree_branch_len;
570 7abf1863 2023-02-20 thomas if (remote_head != NULL)
571 7abf1863 2023-02-20 thomas fetchreq.remote_head_len = remote_head_len;
572 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, have_refs, entry)
573 4ba14133 2020-03-20 stsp fetchreq.n_have_refs++;
574 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry)
575 4ba14133 2020-03-20 stsp fetchreq.n_wanted_branches++;
576 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry)
577 0e4002ca 2020-03-21 stsp fetchreq.n_wanted_refs++;
578 9d0a7ee3 2023-02-07 thomas if (imsg_add(wbuf, &fetchreq, sizeof(fetchreq)) == -1)
579 9d0a7ee3 2023-02-07 thomas return got_error_from_errno("imsg_add FETCH_REQUEST");
580 9d0a7ee3 2023-02-07 thomas if (worktree_branch) {
581 84073f62 2023-02-07 thomas if (imsg_add(wbuf, worktree_branch, worktree_branch_len) == -1)
582 9d0a7ee3 2023-02-07 thomas return got_error_from_errno("imsg_add FETCH_REQUEST");
584 7abf1863 2023-02-20 thomas if (remote_head) {
585 7abf1863 2023-02-20 thomas if (imsg_add(wbuf, remote_head, remote_head_len) == -1)
586 7abf1863 2023-02-20 thomas return got_error_from_errno("imsg_add FETCH_REQUEST");
588 9d0a7ee3 2023-02-07 thomas wbuf->fd = fd;
589 9d0a7ee3 2023-02-07 thomas imsg_close(ibuf, wbuf);
591 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
594 659e7fbd 2020-03-20 stsp return err;
598 33501562 2020-03-18 stsp TAILQ_FOREACH(pe, have_refs, entry) {
599 33501562 2020-03-18 stsp const char *name = pe->path;
600 33501562 2020-03-18 stsp size_t name_len = pe->path_len;
601 33501562 2020-03-18 stsp struct got_object_id *id = pe->data;
603 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_have_ref) + name_len;
604 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_HAVE_REF, 0, 0, len);
605 4ba14133 2020-03-20 stsp if (wbuf == NULL)
606 4ba14133 2020-03-20 stsp return got_error_from_errno("imsg_create FETCH_HAVE_REF");
608 33501562 2020-03-18 stsp /* Keep in sync with struct got_imsg_fetch_have_ref! */
609 f9f54468 2023-02-03 thomas if (imsg_add(wbuf, id, sizeof(*id)) == -1)
610 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add FETCH_HAVE_REF");
611 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -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, name_len) == -1)
614 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add FETCH_HAVE_REF");
616 4ba14133 2020-03-20 stsp wbuf->fd = -1;
617 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
618 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
620 4ba14133 2020-03-20 stsp return err;
623 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry) {
624 4ba14133 2020-03-20 stsp const char *name = pe->path;
625 4ba14133 2020-03-20 stsp size_t name_len = pe->path_len;
627 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_wanted_branch) + name_len;
628 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_BRANCH, 0, 0,
630 4ba14133 2020-03-20 stsp if (wbuf == NULL)
631 4ba14133 2020-03-20 stsp return got_error_from_errno(
632 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_BRANCH");
634 4ba14133 2020-03-20 stsp /* Keep in sync with struct got_imsg_fetch_wanted_branch! */
635 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
636 e9f1a409 2022-05-19 thomas return got_error_from_errno(
637 4ba14133 2020-03-20 stsp "imsg_add FETCH_WANTED_BRANCH");
638 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
639 e9f1a409 2022-05-19 thomas return got_error_from_errno(
640 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_BRANCH");
642 4ba14133 2020-03-20 stsp wbuf->fd = -1;
643 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
644 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
646 4ba14133 2020-03-20 stsp return err;
649 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry) {
650 0e4002ca 2020-03-21 stsp const char *name = pe->path;
651 0e4002ca 2020-03-21 stsp size_t name_len = pe->path_len;
653 0e4002ca 2020-03-21 stsp len = sizeof(struct got_imsg_fetch_wanted_ref) + name_len;
654 0e4002ca 2020-03-21 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_REF, 0, 0,
656 0e4002ca 2020-03-21 stsp if (wbuf == NULL)
657 0e4002ca 2020-03-21 stsp return got_error_from_errno(
658 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_REF");
660 0e4002ca 2020-03-21 stsp /* Keep in sync with struct got_imsg_fetch_wanted_ref! */
661 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
662 e9f1a409 2022-05-19 thomas return got_error_from_errno(
663 0e4002ca 2020-03-21 stsp "imsg_add FETCH_WANTED_REF");
664 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
665 e9f1a409 2022-05-19 thomas return got_error_from_errno(
666 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_REF");
668 0e4002ca 2020-03-21 stsp wbuf->fd = -1;
669 0e4002ca 2020-03-21 stsp imsg_close(ibuf, wbuf);
670 0e4002ca 2020-03-21 stsp err = flush_imsg(ibuf);
672 0e4002ca 2020-03-21 stsp return err;
676 4ba14133 2020-03-20 stsp return NULL;
680 93658fb9 2020-03-18 stsp const struct got_error *
681 f826addf 2020-03-18 stsp got_privsep_send_fetch_outfd(struct imsgbuf *ibuf, int fd)
683 f826addf 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_FETCH_OUTFD, fd);
686 531c3985 2020-03-18 stsp const struct got_error *
687 8f2d01a6 2020-03-18 stsp got_privsep_recv_fetch_progress(int *done, struct got_object_id **id,
688 531c3985 2020-03-18 stsp char **refname, struct got_pathlist_head *symrefs, char **server_progress,
689 1d72a2a0 2020-03-24 stsp off_t *packfile_size, uint8_t *pack_sha1, struct imsgbuf *ibuf)
691 b9f99abf 2020-03-18 stsp const struct got_error *err = NULL;
692 b9f99abf 2020-03-18 stsp struct imsg imsg;
693 b9f99abf 2020-03-18 stsp size_t datalen;
694 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symrefs *isymrefs = NULL;
695 abe0f35f 2020-03-18 stsp size_t n, remain;
700 8f2d01a6 2020-03-18 stsp *id = NULL;
701 b9f99abf 2020-03-18 stsp *refname = NULL;
702 531c3985 2020-03-18 stsp *server_progress = NULL;
703 5a489642 2020-03-19 stsp *packfile_size = 0;
704 1d72a2a0 2020-03-24 stsp memset(pack_sha1, 0, SHA1_DIGEST_LENGTH);
706 531c3985 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
708 b9f99abf 2020-03-18 stsp return err;
710 b9f99abf 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
711 b9f99abf 2020-03-18 stsp switch (imsg.hdr.type) {
712 abe0f35f 2020-03-18 stsp case GOT_IMSG_FETCH_SYMREFS:
713 abe0f35f 2020-03-18 stsp if (datalen < sizeof(*isymrefs)) {
714 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
717 abe0f35f 2020-03-18 stsp if (isymrefs != NULL) {
718 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
721 abe0f35f 2020-03-18 stsp isymrefs = (struct got_imsg_fetch_symrefs *)imsg.data;
722 abe0f35f 2020-03-18 stsp off = sizeof(*isymrefs);
723 abe0f35f 2020-03-18 stsp remain = datalen - off;
724 abe0f35f 2020-03-18 stsp for (n = 0; n < isymrefs->nsymrefs; n++) {
725 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symref *s;
726 abe0f35f 2020-03-18 stsp char *name, *target;
727 abe0f35f 2020-03-18 stsp if (remain < sizeof(struct got_imsg_fetch_symref)) {
728 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
731 abe0f35f 2020-03-18 stsp s = (struct got_imsg_fetch_symref *)(imsg.data + off);
732 abe0f35f 2020-03-18 stsp off += sizeof(*s);
733 abe0f35f 2020-03-18 stsp remain -= sizeof(*s);
734 abe0f35f 2020-03-18 stsp if (remain < s->name_len) {
735 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
738 abe0f35f 2020-03-18 stsp name = strndup(imsg.data + off, s->name_len);
739 abe0f35f 2020-03-18 stsp if (name == NULL) {
740 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
743 abe0f35f 2020-03-18 stsp off += s->name_len;
744 abe0f35f 2020-03-18 stsp remain -= s->name_len;
745 abe0f35f 2020-03-18 stsp if (remain < s->target_len) {
746 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
747 abe0f35f 2020-03-18 stsp free(name);
750 abe0f35f 2020-03-18 stsp target = strndup(imsg.data + off, s->target_len);
751 abe0f35f 2020-03-18 stsp if (target == NULL) {
752 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
753 abe0f35f 2020-03-18 stsp free(name);
756 abe0f35f 2020-03-18 stsp off += s->target_len;
757 abe0f35f 2020-03-18 stsp remain -= s->target_len;
758 abe0f35f 2020-03-18 stsp err = got_pathlist_append(symrefs, name, target);
760 abe0f35f 2020-03-18 stsp free(name);
761 abe0f35f 2020-03-18 stsp free(target);
766 ea7396b9 2020-03-18 stsp case GOT_IMSG_FETCH_REF:
767 9228a15c 2023-02-03 thomas if (datalen <= sizeof(**id)) {
768 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
771 8f2d01a6 2020-03-18 stsp *id = malloc(sizeof(**id));
772 8f2d01a6 2020-03-18 stsp if (*id == NULL) {
773 b9f99abf 2020-03-18 stsp err = got_error_from_errno("malloc");
776 9228a15c 2023-02-03 thomas memcpy(*id, imsg.data, sizeof(**id));
777 9228a15c 2023-02-03 thomas *refname = strndup(imsg.data + sizeof(**id),
778 9228a15c 2023-02-03 thomas datalen - sizeof(**id));
779 b9f99abf 2020-03-18 stsp if (*refname == NULL) {
780 b9f99abf 2020-03-18 stsp err = got_error_from_errno("strndup");
784 531c3985 2020-03-18 stsp case GOT_IMSG_FETCH_SERVER_PROGRESS:
785 531c3985 2020-03-18 stsp if (datalen == 0) {
786 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
789 531c3985 2020-03-18 stsp *server_progress = strndup(imsg.data, datalen);
790 531c3985 2020-03-18 stsp if (*server_progress == NULL) {
791 531c3985 2020-03-18 stsp err = got_error_from_errno("strndup");
794 531c3985 2020-03-18 stsp for (i = 0; i < datalen; i++) {
795 531c3985 2020-03-18 stsp if (!isprint((unsigned char)(*server_progress)[i]) &&
796 531c3985 2020-03-18 stsp !isspace((unsigned char)(*server_progress)[i])) {
797 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
798 531c3985 2020-03-18 stsp free(*server_progress);
799 531c3985 2020-03-18 stsp *server_progress = NULL;
804 d2cdc636 2020-03-18 stsp case GOT_IMSG_FETCH_DOWNLOAD_PROGRESS:
805 d2cdc636 2020-03-18 stsp if (datalen < sizeof(*packfile_size)) {
806 d2cdc636 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
809 d2cdc636 2020-03-18 stsp memcpy(packfile_size, imsg.data, sizeof(*packfile_size));
811 8f2d01a6 2020-03-18 stsp case GOT_IMSG_FETCH_DONE:
812 8f2d01a6 2020-03-18 stsp if (datalen != SHA1_DIGEST_LENGTH) {
813 8f2d01a6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
816 1d72a2a0 2020-03-24 stsp memcpy(pack_sha1, imsg.data, SHA1_DIGEST_LENGTH);
820 b887aab6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
826 8f2d01a6 2020-03-18 stsp *id = NULL;
827 b887aab6 2020-03-18 stsp free(*refname);
828 b887aab6 2020-03-18 stsp *refname = NULL;
830 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
831 f8a36e22 2021-08-26 stsp return err;
834 f8a36e22 2021-08-26 stsp static const struct got_error *
835 f8a36e22 2021-08-26 stsp send_send_ref(const char *name, size_t name_len, struct got_object_id *id,
836 f8a36e22 2021-08-26 stsp int delete, struct imsgbuf *ibuf)
838 f8a36e22 2021-08-26 stsp size_t len;
839 f8a36e22 2021-08-26 stsp struct ibuf *wbuf;
841 f8a36e22 2021-08-26 stsp len = sizeof(struct got_imsg_send_ref) + name_len;
842 f8a36e22 2021-08-26 stsp wbuf = imsg_create(ibuf, GOT_IMSG_SEND_REF, 0, 0, len);
843 f8a36e22 2021-08-26 stsp if (wbuf == NULL)
844 f8a36e22 2021-08-26 stsp return got_error_from_errno("imsg_create SEND_REF");
846 f8a36e22 2021-08-26 stsp /* Keep in sync with struct got_imsg_send_ref! */
847 ea58e974 2023-02-03 thomas if (imsg_add(wbuf, id, sizeof(*id)) == -1)
848 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
849 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &delete, sizeof(delete)) == -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, &name_len, sizeof(name_len)) == -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, name_len) == -1)
854 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
856 f8a36e22 2021-08-26 stsp wbuf->fd = -1;
857 f8a36e22 2021-08-26 stsp imsg_close(ibuf, wbuf);
858 f8a36e22 2021-08-26 stsp return flush_imsg(ibuf);
861 f8a36e22 2021-08-26 stsp const struct got_error *
862 f8a36e22 2021-08-26 stsp got_privsep_send_send_req(struct imsgbuf *ibuf, int fd,
863 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs,
864 abc59930 2021-09-05 naddy struct got_pathlist_head *delete_refs,
865 abc59930 2021-09-05 naddy int verbosity)
867 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
868 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *pe;
869 f8a36e22 2021-08-26 stsp struct got_imsg_send_request sendreq;
870 f8a36e22 2021-08-26 stsp struct got_object_id zero_id;
872 f8a36e22 2021-08-26 stsp memset(&zero_id, 0, sizeof(zero_id));
873 f8a36e22 2021-08-26 stsp memset(&sendreq, 0, sizeof(sendreq));
874 f8a36e22 2021-08-26 stsp sendreq.verbosity = verbosity;
875 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry)
876 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
877 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry)
878 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
879 f8a36e22 2021-08-26 stsp if (imsg_compose(ibuf, GOT_IMSG_SEND_REQUEST, 0, 0, fd,
880 f8a36e22 2021-08-26 stsp &sendreq, sizeof(sendreq)) == -1) {
881 f8a36e22 2021-08-26 stsp err = got_error_from_errno(
882 f8a36e22 2021-08-26 stsp "imsg_compose FETCH_SERVER_PROGRESS");
886 f8a36e22 2021-08-26 stsp err = flush_imsg(ibuf);
891 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry) {
892 f8a36e22 2021-08-26 stsp const char *name = pe->path;
893 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
894 f8a36e22 2021-08-26 stsp struct got_object_id *id = pe->data;
895 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, id, 0, ibuf);
900 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry) {
901 f8a36e22 2021-08-26 stsp const char *name = pe->path;
902 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
903 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, &zero_id, 1, ibuf);
908 f8a36e22 2021-08-26 stsp if (fd != -1 && close(fd) == -1 && err == NULL)
909 f8a36e22 2021-08-26 stsp err = got_error_from_errno("close");
910 f8a36e22 2021-08-26 stsp return err;
914 f8a36e22 2021-08-26 stsp const struct got_error *
915 f8a36e22 2021-08-26 stsp got_privsep_recv_send_remote_refs(struct got_pathlist_head *remote_refs,
916 f8a36e22 2021-08-26 stsp struct imsgbuf *ibuf)
918 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
919 f8a36e22 2021-08-26 stsp struct imsg imsg;
920 f8a36e22 2021-08-26 stsp size_t datalen;
921 f8a36e22 2021-08-26 stsp int done = 0;
922 f8a36e22 2021-08-26 stsp struct got_imsg_send_remote_ref iremote_ref;
923 f8a36e22 2021-08-26 stsp struct got_object_id *id = NULL;
924 f8a36e22 2021-08-26 stsp char *refname = NULL;
925 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *new;
927 f8a36e22 2021-08-26 stsp while (!done) {
928 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
930 f8a36e22 2021-08-26 stsp return err;
931 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
932 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
933 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REMOTE_REF:
934 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iremote_ref)) {
935 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
938 f8a36e22 2021-08-26 stsp memcpy(&iremote_ref, imsg.data, sizeof(iremote_ref));
939 f8a36e22 2021-08-26 stsp if (datalen != sizeof(iremote_ref) +
940 f8a36e22 2021-08-26 stsp iremote_ref.name_len) {
941 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
944 f8a36e22 2021-08-26 stsp id = malloc(sizeof(*id));
945 f8a36e22 2021-08-26 stsp if (id == NULL) {
946 f8a36e22 2021-08-26 stsp err = got_error_from_errno("malloc");
949 0f23036a 2023-02-03 thomas memcpy(id, &iremote_ref.id, sizeof(*id));
950 f8a36e22 2021-08-26 stsp refname = strndup(imsg.data + sizeof(iremote_ref),
951 f8a36e22 2021-08-26 stsp datalen - sizeof(iremote_ref));
952 f8a36e22 2021-08-26 stsp if (refname == NULL) {
953 f8a36e22 2021-08-26 stsp err = got_error_from_errno("strndup");
956 f8a36e22 2021-08-26 stsp err = got_pathlist_insert(&new, remote_refs,
957 f8a36e22 2021-08-26 stsp refname, id);
960 f8a36e22 2021-08-26 stsp if (new == NULL) { /* duplicate which wasn't inserted */
962 f8a36e22 2021-08-26 stsp free(refname);
965 f8a36e22 2021-08-26 stsp refname = NULL;
967 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_PACK_REQUEST:
968 f8a36e22 2021-08-26 stsp if (datalen != 0) {
969 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
972 f8a36e22 2021-08-26 stsp /* got-send-pack is now waiting for a pack file. */
976 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
982 f8a36e22 2021-08-26 stsp free(refname);
983 b9f99abf 2020-03-18 stsp imsg_free(&imsg);
984 b9f99abf 2020-03-18 stsp return err;
987 93658fb9 2020-03-18 stsp const struct got_error *
988 f8a36e22 2021-08-26 stsp got_privsep_send_packfd(struct imsgbuf *ibuf, int fd)
990 f8a36e22 2021-08-26 stsp return send_fd(ibuf, GOT_IMSG_SEND_PACKFD, fd);
993 f8a36e22 2021-08-26 stsp const struct got_error *
994 f8a36e22 2021-08-26 stsp got_privsep_recv_send_progress(int *done, off_t *bytes_sent,
995 3fe5d0fe 2022-11-17 thomas int *success, char **refname, char **errmsg, struct imsgbuf *ibuf)
997 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
998 f8a36e22 2021-08-26 stsp struct imsg imsg;
999 f8a36e22 2021-08-26 stsp size_t datalen;
1000 f8a36e22 2021-08-26 stsp struct got_imsg_send_ref_status iref_status;
1002 f8a36e22 2021-08-26 stsp /* Do not reset the current value of 'bytes_sent', it accumulates. */
1003 f8a36e22 2021-08-26 stsp *done = 0;
1004 f8a36e22 2021-08-26 stsp *success = 0;
1005 f8a36e22 2021-08-26 stsp *refname = NULL;
1006 3fe5d0fe 2022-11-17 thomas *errmsg = NULL;
1008 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1010 f8a36e22 2021-08-26 stsp return err;
1012 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1013 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
1014 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_UPLOAD_PROGRESS:
1015 f8a36e22 2021-08-26 stsp if (datalen < sizeof(*bytes_sent)) {
1016 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1019 f8a36e22 2021-08-26 stsp memcpy(bytes_sent, imsg.data, sizeof(*bytes_sent));
1021 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REF_STATUS:
1022 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iref_status)) {
1023 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1026 f8a36e22 2021-08-26 stsp memcpy(&iref_status, imsg.data, sizeof(iref_status));
1027 3fe5d0fe 2022-11-17 thomas if (datalen != sizeof(iref_status) + iref_status.name_len +
1028 3fe5d0fe 2022-11-17 thomas iref_status.errmsg_len) {
1029 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1032 f8a36e22 2021-08-26 stsp *success = iref_status.success;
1033 f8a36e22 2021-08-26 stsp *refname = strndup(imsg.data + sizeof(iref_status),
1034 f8a36e22 2021-08-26 stsp iref_status.name_len);
1036 3fe5d0fe 2022-11-17 thomas if (iref_status.errmsg_len != 0)
1037 3fe5d0fe 2022-11-17 thomas *errmsg = strndup(imsg.data + sizeof(iref_status) +
1038 3fe5d0fe 2022-11-17 thomas iref_status.name_len, iref_status.errmsg_len);
1040 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_DONE:
1041 f8a36e22 2021-08-26 stsp if (datalen != 0) {
1042 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1045 f8a36e22 2021-08-26 stsp *done = 1;
1048 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1052 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
1053 f8a36e22 2021-08-26 stsp return err;
1056 f8a36e22 2021-08-26 stsp const struct got_error *
1057 fd251256 2020-03-24 stsp got_privsep_send_index_pack_req(struct imsgbuf *ibuf, uint8_t *pack_sha1,
1060 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1062 668a20f6 2020-03-18 stsp /* Keep in sync with struct got_imsg_index_pack_request */
1063 93658fb9 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_IDXPACK_REQUEST, 0, 0, fd,
1064 fd251256 2020-03-24 stsp pack_sha1, SHA1_DIGEST_LENGTH) == -1) {
1065 93658fb9 2020-03-18 stsp err = got_error_from_errno("imsg_compose INDEX_REQUEST");
1066 93658fb9 2020-03-18 stsp close(fd);
1067 93658fb9 2020-03-18 stsp return err;
1069 baa9fea0 2020-03-18 stsp return flush_imsg(ibuf);
1072 baa9fea0 2020-03-18 stsp const struct got_error *
1073 73ab1060 2020-03-18 stsp got_privsep_send_index_pack_outfd(struct imsgbuf *ibuf, int fd)
1075 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_IDXPACK_OUTFD, fd);
1078 73ab1060 2020-03-18 stsp const struct got_error *
1079 668a20f6 2020-03-18 stsp got_privsep_recv_index_progress(int *done, int *nobj_total,
1080 668a20f6 2020-03-18 stsp int *nobj_indexed, int *nobj_loose, int *nobj_resolved,
1081 668a20f6 2020-03-18 stsp struct imsgbuf *ibuf)
1083 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1084 93658fb9 2020-03-18 stsp struct imsg imsg;
1085 baa9fea0 2020-03-18 stsp struct got_imsg_index_pack_progress *iprogress;
1086 baa9fea0 2020-03-18 stsp size_t datalen;
1088 baa9fea0 2020-03-18 stsp *done = 0;
1089 668a20f6 2020-03-18 stsp *nobj_total = 0;
1090 668a20f6 2020-03-18 stsp *nobj_indexed = 0;
1091 668a20f6 2020-03-18 stsp *nobj_resolved = 0;
1093 93658fb9 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1095 93658fb9 2020-03-18 stsp return err;
1097 baa9fea0 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1098 baa9fea0 2020-03-18 stsp switch (imsg.hdr.type) {
1099 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_PROGRESS:
1100 baa9fea0 2020-03-18 stsp if (datalen < sizeof(*iprogress)) {
1101 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1104 baa9fea0 2020-03-18 stsp iprogress = (struct got_imsg_index_pack_progress *)imsg.data;
1105 31d32634 2022-06-23 thomas if (iprogress->nobj_total < 0 || iprogress->nobj_indexed < 0 ||
1106 31d32634 2022-06-23 thomas iprogress->nobj_loose < 0 || iprogress->nobj_resolved < 0) {
1107 31d32634 2022-06-23 thomas err = got_error(GOT_ERR_RANGE);
1110 668a20f6 2020-03-18 stsp *nobj_total = iprogress->nobj_total;
1111 668a20f6 2020-03-18 stsp *nobj_indexed = iprogress->nobj_indexed;
1112 668a20f6 2020-03-18 stsp *nobj_loose = iprogress->nobj_loose;
1113 668a20f6 2020-03-18 stsp *nobj_resolved = iprogress->nobj_resolved;
1115 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_DONE:
1116 baa9fea0 2020-03-18 stsp if (datalen != 0) {
1117 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1120 baa9fea0 2020-03-18 stsp *done = 1;
1123 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1127 93658fb9 2020-03-18 stsp imsg_free(&imsg);
1128 baa9fea0 2020-03-18 stsp return err;
1131 93658fb9 2020-03-18 stsp const struct got_error *
1132 cfd633c2 2018-09-10 stsp got_privsep_get_imsg_obj(struct got_object **obj, struct imsg *imsg,
1133 cfd633c2 2018-09-10 stsp struct imsgbuf *ibuf)
1135 291624d8 2018-11-07 stsp struct got_imsg_object *iobj;
1136 cfd633c2 2018-09-10 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1138 291624d8 2018-11-07 stsp if (datalen != sizeof(*iobj))
1139 cfd633c2 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1140 291624d8 2018-11-07 stsp iobj = imsg->data;
1142 31d32634 2022-06-23 thomas if (iobj->pack_offset < 0)
1143 31d32634 2022-06-23 thomas return got_error(GOT_ERR_PACK_OFFSET);
1145 cfd633c2 2018-09-10 stsp *obj = calloc(1, sizeof(**obj));
1146 cfd633c2 2018-09-10 stsp if (*obj == NULL)
1147 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
1149 fc842fc8 2023-02-03 thomas memcpy(&(*obj)->id, &iobj->id, sizeof(iobj->id));
1150 291624d8 2018-11-07 stsp (*obj)->type = iobj->type;
1151 291624d8 2018-11-07 stsp (*obj)->flags = iobj->flags;
1152 291624d8 2018-11-07 stsp (*obj)->hdrlen = iobj->hdrlen;
1153 291624d8 2018-11-07 stsp (*obj)->size = iobj->size;
1154 c59b3346 2018-09-11 stsp /* path_packfile is handled by caller */
1155 291624d8 2018-11-07 stsp if (iobj->flags & GOT_OBJ_FLAG_PACKED) {
1156 291624d8 2018-11-07 stsp (*obj)->pack_offset = iobj->pack_offset;
1157 291624d8 2018-11-07 stsp (*obj)->pack_idx = iobj->pack_idx;
1159 772802ae 2022-01-27 thomas STAILQ_INIT(&(*obj)->deltas.entries);
1160 772802ae 2022-01-27 thomas return NULL;
1163 2178c42e 2018-04-22 stsp const struct got_error *
1164 2178c42e 2018-04-22 stsp got_privsep_recv_obj(struct got_object **obj, struct imsgbuf *ibuf)
1166 2178c42e 2018-04-22 stsp const struct got_error *err = NULL;
1167 2178c42e 2018-04-22 stsp struct imsg imsg;
1168 c4eae628 2018-04-23 stsp const size_t min_datalen =
1169 c4eae628 2018-04-23 stsp MIN(sizeof(struct got_imsg_error), sizeof(struct got_imsg_object));
1171 2178c42e 2018-04-22 stsp *obj = NULL;
1173 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1175 2178c42e 2018-04-22 stsp return err;
1177 2178c42e 2018-04-22 stsp switch (imsg.hdr.type) {
1178 2178c42e 2018-04-22 stsp case GOT_IMSG_OBJECT:
1179 cfd633c2 2018-09-10 stsp err = got_privsep_get_imsg_obj(obj, &imsg, ibuf);
1182 bff6ca00 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1186 bff6ca00 2018-04-23 stsp imsg_free(&imsg);
1188 bff6ca00 2018-04-23 stsp return err;
1191 c75f7264 2018-09-11 stsp static const struct got_error *
1192 c75f7264 2018-09-11 stsp send_commit_logmsg(struct imsgbuf *ibuf, struct got_commit_object *commit,
1193 c75f7264 2018-09-11 stsp size_t logmsg_len)
1195 fa4ffeb3 2018-11-04 stsp const struct got_error *err = NULL;
1196 c75f7264 2018-09-11 stsp size_t offset, remain;
1198 c75f7264 2018-09-11 stsp offset = 0;
1199 c75f7264 2018-09-11 stsp remain = logmsg_len;
1200 c75f7264 2018-09-11 stsp while (remain > 0) {
1201 c75f7264 2018-09-11 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1203 c75f7264 2018-09-11 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_LOGMSG, 0, 0, -1,
1204 fa4ffeb3 2018-11-04 stsp commit->logmsg + offset, n) == -1) {
1205 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose "
1206 230a42bd 2019-05-11 jcs "COMMIT_LOGMSG");
1210 fa4ffeb3 2018-11-04 stsp err = flush_imsg(ibuf);
1214 c75f7264 2018-09-11 stsp offset += n;
1215 c75f7264 2018-09-11 stsp remain -= n;
1218 fa4ffeb3 2018-11-04 stsp return err;
1221 bff6ca00 2018-04-23 stsp const struct got_error *
1222 068fd2bf 2018-04-24 stsp got_privsep_send_commit(struct imsgbuf *ibuf, struct got_commit_object *commit)
1224 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1225 b9c33926 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1226 bff6ca00 2018-04-23 stsp uint8_t *buf;
1227 bff6ca00 2018-04-23 stsp size_t len, total;
1228 79f35eb3 2018-06-11 stsp struct got_object_qid *qid;
1229 b9c33926 2018-11-07 stsp size_t author_len = strlen(commit->author);
1230 b9c33926 2018-11-07 stsp size_t committer_len = strlen(commit->committer);
1231 c75f7264 2018-09-11 stsp size_t logmsg_len = strlen(commit->logmsg);
1233 b9c33926 2018-11-07 stsp total = sizeof(*icommit) + author_len + committer_len +
1234 e4c85b49 2023-02-03 thomas commit->nparents * sizeof(struct got_object_id);
1236 bff6ca00 2018-04-23 stsp buf = malloc(total);
1237 bff6ca00 2018-04-23 stsp if (buf == NULL)
1238 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1240 b9c33926 2018-11-07 stsp icommit = (struct got_imsg_commit_object *)buf;
1241 e4c85b49 2023-02-03 thomas memcpy(&icommit->tree_id, commit->tree_id, sizeof(icommit->tree_id));
1242 b9c33926 2018-11-07 stsp icommit->author_len = author_len;
1243 b9c33926 2018-11-07 stsp icommit->author_time = commit->author_time;
1244 b9c33926 2018-11-07 stsp icommit->author_gmtoff = commit->author_gmtoff;
1245 b9c33926 2018-11-07 stsp icommit->committer_len = committer_len;
1246 b9c33926 2018-11-07 stsp icommit->committer_time = commit->committer_time;
1247 b9c33926 2018-11-07 stsp icommit->committer_gmtoff = commit->committer_gmtoff;
1248 b9c33926 2018-11-07 stsp icommit->logmsg_len = logmsg_len;
1249 b9c33926 2018-11-07 stsp icommit->nparents = commit->nparents;
1251 b9c33926 2018-11-07 stsp len = sizeof(*icommit);
1252 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->author, author_len);
1253 b9c33926 2018-11-07 stsp len += author_len;
1254 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->committer, committer_len);
1255 b9c33926 2018-11-07 stsp len += committer_len;
1256 dbdddfee 2021-06-23 naddy STAILQ_FOREACH(qid, &commit->parent_ids, entry) {
1257 e4c85b49 2023-02-03 thomas memcpy(buf + len, &qid->id, sizeof(qid->id));
1258 e4c85b49 2023-02-03 thomas len += sizeof(qid->id);
1261 bff6ca00 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT, 0, 0, -1, buf, len) == -1) {
1262 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT");
1263 bff6ca00 2018-04-23 stsp goto done;
1266 904df868 2018-11-04 stsp if (logmsg_len == 0 ||
1267 904df868 2018-11-04 stsp logmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1268 904df868 2018-11-04 stsp err = flush_imsg(ibuf);
1270 904df868 2018-11-04 stsp goto done;
1272 c75f7264 2018-09-11 stsp err = send_commit_logmsg(ibuf, commit, logmsg_len);
1274 bff6ca00 2018-04-23 stsp free(buf);
1275 bff6ca00 2018-04-23 stsp return err;
1278 ca6e02ac 2020-01-07 stsp static const struct got_error *
1279 ca6e02ac 2020-01-07 stsp get_commit_from_imsg(struct got_commit_object **commit,
1280 ca6e02ac 2020-01-07 stsp struct imsg *imsg, size_t datalen, struct imsgbuf *ibuf)
1282 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1283 291624d8 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1284 ca6e02ac 2020-01-07 stsp size_t len = 0;
1287 ca6e02ac 2020-01-07 stsp if (datalen < sizeof(*icommit))
1288 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1290 ca6e02ac 2020-01-07 stsp icommit = imsg->data;
1291 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommit) + icommit->author_len +
1292 ca6e02ac 2020-01-07 stsp icommit->committer_len +
1293 e4c85b49 2023-02-03 thomas icommit->nparents * sizeof(struct got_object_id))
1294 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1296 ca6e02ac 2020-01-07 stsp if (icommit->nparents < 0)
1297 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1299 ca6e02ac 2020-01-07 stsp len += sizeof(*icommit);
1301 ca6e02ac 2020-01-07 stsp *commit = got_object_commit_alloc_partial();
1302 ca6e02ac 2020-01-07 stsp if (*commit == NULL)
1303 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
1304 ca6e02ac 2020-01-07 stsp "got_object_commit_alloc_partial");
1306 e4c85b49 2023-02-03 thomas memcpy((*commit)->tree_id, &icommit->tree_id,
1307 e4c85b49 2023-02-03 thomas sizeof(icommit->tree_id));
1308 ca6e02ac 2020-01-07 stsp (*commit)->author_time = icommit->author_time;
1309 ca6e02ac 2020-01-07 stsp (*commit)->author_gmtoff = icommit->author_gmtoff;
1310 ca6e02ac 2020-01-07 stsp (*commit)->committer_time = icommit->committer_time;
1311 ca6e02ac 2020-01-07 stsp (*commit)->committer_gmtoff = icommit->committer_gmtoff;
1313 79b7acf3 2022-06-23 thomas (*commit)->author = strndup(imsg->data + len, icommit->author_len);
1314 79b7acf3 2022-06-23 thomas if ((*commit)->author == NULL) {
1315 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1316 79b7acf3 2022-06-23 thomas goto done;
1318 ca6e02ac 2020-01-07 stsp len += icommit->author_len;
1320 79b7acf3 2022-06-23 thomas (*commit)->committer = strndup(imsg->data + len,
1321 79b7acf3 2022-06-23 thomas icommit->committer_len);
1322 79b7acf3 2022-06-23 thomas if ((*commit)->committer == NULL) {
1323 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1324 79b7acf3 2022-06-23 thomas goto done;
1326 ca6e02ac 2020-01-07 stsp len += icommit->committer_len;
1328 ca6e02ac 2020-01-07 stsp if (icommit->logmsg_len == 0) {
1329 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = strdup("");
1330 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1331 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1332 ca6e02ac 2020-01-07 stsp goto done;
1335 ca6e02ac 2020-01-07 stsp size_t offset = 0, remain = icommit->logmsg_len;
1337 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = malloc(icommit->logmsg_len + 1);
1338 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1339 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1340 ca6e02ac 2020-01-07 stsp goto done;
1342 ca6e02ac 2020-01-07 stsp while (remain > 0) {
1343 ca6e02ac 2020-01-07 stsp struct imsg imsg_log;
1344 ca6e02ac 2020-01-07 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1347 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1349 ca6e02ac 2020-01-07 stsp goto done;
1351 ca6e02ac 2020-01-07 stsp if (imsg_log.hdr.type != GOT_IMSG_COMMIT_LOGMSG) {
1352 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1353 ca6e02ac 2020-01-07 stsp goto done;
1356 ca6e02ac 2020-01-07 stsp memcpy((*commit)->logmsg + offset,
1357 ca6e02ac 2020-01-07 stsp imsg_log.data, n);
1358 ca6e02ac 2020-01-07 stsp imsg_free(&imsg_log);
1359 ca6e02ac 2020-01-07 stsp offset += n;
1360 ca6e02ac 2020-01-07 stsp remain -= n;
1362 ca6e02ac 2020-01-07 stsp (*commit)->logmsg[icommit->logmsg_len] = '\0';
1365 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommit->nparents; i++) {
1366 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
1368 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
1371 ec242592 2022-04-22 thomas memcpy(&qid->id, imsg->data + len +
1372 e4c85b49 2023-02-03 thomas i * sizeof(qid->id), sizeof(qid->id));
1373 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(&(*commit)->parent_ids, qid, entry);
1374 ca6e02ac 2020-01-07 stsp (*commit)->nparents++;
1377 ca6e02ac 2020-01-07 stsp if (err) {
1378 ca6e02ac 2020-01-07 stsp got_object_commit_close(*commit);
1379 ca6e02ac 2020-01-07 stsp *commit = NULL;
1381 ca6e02ac 2020-01-07 stsp return err;
1384 ca6e02ac 2020-01-07 stsp const struct got_error *
1385 ca6e02ac 2020-01-07 stsp got_privsep_recv_commit(struct got_commit_object **commit, struct imsgbuf *ibuf)
1387 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
1388 ca6e02ac 2020-01-07 stsp struct imsg imsg;
1389 ca6e02ac 2020-01-07 stsp size_t datalen;
1390 ca6e02ac 2020-01-07 stsp const size_t min_datalen =
1391 ca6e02ac 2020-01-07 stsp MIN(sizeof(struct got_imsg_error),
1392 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_object));
1394 ca6e02ac 2020-01-07 stsp *commit = NULL;
1396 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1398 ca6e02ac 2020-01-07 stsp return err;
1400 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1402 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
1403 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
1404 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(commit, &imsg, datalen, ibuf);
1407 8c580685 2018-04-22 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1411 2178c42e 2018-04-22 stsp imsg_free(&imsg);
1413 e033d803 2018-04-23 stsp return err;
1416 06de99ad 2022-05-19 thomas static const struct got_error *
1417 63915ee5 2022-06-23 thomas send_tree_entries_batch(struct imsgbuf *ibuf,
1418 63915ee5 2022-06-23 thomas struct got_parsed_tree_entry *entries, int idx0, int idxN, size_t len)
1420 06de99ad 2022-05-19 thomas struct ibuf *wbuf;
1421 06de99ad 2022-05-19 thomas struct got_imsg_tree_entries ientries;
1424 c26ee7ad 2022-06-23 thomas memset(&ientries, 0, sizeof(ientries));
1426 06de99ad 2022-05-19 thomas wbuf = imsg_create(ibuf, GOT_IMSG_TREE_ENTRIES, 0, 0, len);
1427 06de99ad 2022-05-19 thomas if (wbuf == NULL)
1428 06de99ad 2022-05-19 thomas return got_error_from_errno("imsg_create TREE_ENTRY");
1430 06de99ad 2022-05-19 thomas ientries.nentries = idxN - idx0 + 1;
1431 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &ientries, sizeof(ientries)) == -1)
1432 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1434 06de99ad 2022-05-19 thomas for (i = idx0; i <= idxN; i++) {
1435 06de99ad 2022-05-19 thomas struct got_parsed_tree_entry *pte = &entries[i];
1437 2be33b09 2023-02-03 thomas /* Keep in sync with struct got_imsg_tree_entry definition! */
1438 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, pte->id, SHA1_DIGEST_LENGTH) == -1)
1439 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1440 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &pte->mode, sizeof(pte->mode)) == -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->namelen, sizeof(pte->namelen)) == -1)
1443 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1445 06de99ad 2022-05-19 thomas /* Remaining bytes are the entry's name. */
1446 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, pte->name, pte->namelen) == -1)
1447 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1450 06de99ad 2022-05-19 thomas wbuf->fd = -1;
1451 06de99ad 2022-05-19 thomas imsg_close(ibuf, wbuf);
1452 06de99ad 2022-05-19 thomas return NULL;
1455 63915ee5 2022-06-23 thomas static const struct got_error *
1456 63915ee5 2022-06-23 thomas send_tree_entries(struct imsgbuf *ibuf, struct got_parsed_tree_entry *entries,
1457 63915ee5 2022-06-23 thomas int nentries)
1459 06de99ad 2022-05-19 thomas const struct got_error *err = NULL;
1460 06de99ad 2022-05-19 thomas int i, j;
1461 63915ee5 2022-06-23 thomas size_t entries_len = sizeof(struct got_imsg_tree_entries);
1464 06de99ad 2022-05-19 thomas for (j = 0; j < nentries; j++) {
1465 06de99ad 2022-05-19 thomas struct got_parsed_tree_entry *pte = &entries[j];
1466 11a2b20c 2023-02-17 thomas size_t len = sizeof(struct got_imsg_tree_entry) + pte->namelen;
1468 06de99ad 2022-05-19 thomas if (j > 0 &&
1469 06de99ad 2022-05-19 thomas entries_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1470 63915ee5 2022-06-23 thomas err = send_tree_entries_batch(ibuf, entries,
1471 06de99ad 2022-05-19 thomas i, j - 1, entries_len);
1472 06de99ad 2022-05-19 thomas if (err)
1473 06de99ad 2022-05-19 thomas return err;
1475 06de99ad 2022-05-19 thomas entries_len = sizeof(struct got_imsg_tree_entries);
1478 06de99ad 2022-05-19 thomas entries_len += len;
1481 06de99ad 2022-05-19 thomas if (j > 0) {
1482 63915ee5 2022-06-23 thomas err = send_tree_entries_batch(ibuf, entries, i, j - 1,
1483 63915ee5 2022-06-23 thomas entries_len);
1484 06de99ad 2022-05-19 thomas if (err)
1485 06de99ad 2022-05-19 thomas return err;
1488 63915ee5 2022-06-23 thomas return NULL;
1491 63915ee5 2022-06-23 thomas const struct got_error *
1492 63915ee5 2022-06-23 thomas got_privsep_send_tree(struct imsgbuf *ibuf,
1493 63915ee5 2022-06-23 thomas struct got_parsed_tree_entry *entries, int nentries)
1495 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
1496 63915ee5 2022-06-23 thomas struct got_imsg_tree_object itree;
1498 c26ee7ad 2022-06-23 thomas memset(&itree, 0, sizeof(itree));
1499 63915ee5 2022-06-23 thomas itree.nentries = nentries;
1500 63915ee5 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_TREE, 0, 0, -1, &itree, sizeof(itree))
1502 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_compose TREE");
1504 63915ee5 2022-06-23 thomas err = send_tree_entries(ibuf, entries, nentries);
1505 63915ee5 2022-06-23 thomas if (err)
1506 63915ee5 2022-06-23 thomas return err;
1508 b00c9821 2018-11-04 stsp return flush_imsg(ibuf);
1512 63915ee5 2022-06-23 thomas static const struct got_error *
1513 63915ee5 2022-06-23 thomas recv_tree_entries(void *data, size_t datalen, struct got_tree_object *tree,
1514 63915ee5 2022-06-23 thomas int *nentries)
1516 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
1517 63915ee5 2022-06-23 thomas struct got_imsg_tree_entries *ientries;
1518 63915ee5 2022-06-23 thomas struct got_tree_entry *te;
1519 63915ee5 2022-06-23 thomas size_t te_offset;
1520 63915ee5 2022-06-23 thomas size_t i;
1522 63915ee5 2022-06-23 thomas if (datalen <= sizeof(*ientries) ||
1523 63915ee5 2022-06-23 thomas datalen > MAX_IMSGSIZE - IMSG_HEADER_SIZE)
1524 63915ee5 2022-06-23 thomas return got_error(GOT_ERR_PRIVSEP_LEN);
1526 63915ee5 2022-06-23 thomas ientries = (struct got_imsg_tree_entries *)data;
1527 63915ee5 2022-06-23 thomas if (ientries->nentries > INT_MAX) {
1528 63915ee5 2022-06-23 thomas return got_error_msg(GOT_ERR_NO_SPACE,
1529 63915ee5 2022-06-23 thomas "too many tree entries");
1532 63915ee5 2022-06-23 thomas te_offset = sizeof(*ientries);
1533 63915ee5 2022-06-23 thomas for (i = 0; i < ientries->nentries; i++) {
1534 63915ee5 2022-06-23 thomas struct got_imsg_tree_entry ite;
1535 63915ee5 2022-06-23 thomas const char *te_name;
1536 63915ee5 2022-06-23 thomas uint8_t *buf = (uint8_t *)data + te_offset;
1538 63915ee5 2022-06-23 thomas if (te_offset >= datalen) {
1539 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1543 63915ee5 2022-06-23 thomas /* Might not be aligned, size is ~32 bytes. */
1544 63915ee5 2022-06-23 thomas memcpy(&ite, buf, sizeof(ite));
1546 63915ee5 2022-06-23 thomas if (ite.namelen >= sizeof(te->name)) {
1547 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1550 63915ee5 2022-06-23 thomas if (te_offset + sizeof(ite) + ite.namelen > datalen) {
1551 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1555 63915ee5 2022-06-23 thomas if (*nentries >= tree->nentries) {
1556 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1559 63915ee5 2022-06-23 thomas te = &tree->entries[*nentries];
1560 63915ee5 2022-06-23 thomas te_name = buf + sizeof(ite);
1561 63915ee5 2022-06-23 thomas memcpy(te->name, te_name, ite.namelen);
1562 63915ee5 2022-06-23 thomas te->name[ite.namelen] = '\0';
1563 63915ee5 2022-06-23 thomas memcpy(te->id.sha1, ite.id, SHA1_DIGEST_LENGTH);
1564 63915ee5 2022-06-23 thomas te->mode = ite.mode;
1565 63915ee5 2022-06-23 thomas te->idx = *nentries;
1566 63915ee5 2022-06-23 thomas (*nentries)++;
1568 63915ee5 2022-06-23 thomas te_offset += sizeof(ite) + ite.namelen;
1571 63915ee5 2022-06-23 thomas return err;
1574 e033d803 2018-04-23 stsp const struct got_error *
1575 068fd2bf 2018-04-24 stsp got_privsep_recv_tree(struct got_tree_object **tree, struct imsgbuf *ibuf)
1577 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
1578 e033d803 2018-04-23 stsp const size_t min_datalen =
1579 e033d803 2018-04-23 stsp MIN(sizeof(struct got_imsg_error),
1580 e033d803 2018-04-23 stsp sizeof(struct got_imsg_tree_object));
1581 291624d8 2018-11-07 stsp struct got_imsg_tree_object *itree;
1582 e033d803 2018-04-23 stsp int nentries = 0;
1584 e033d803 2018-04-23 stsp *tree = NULL;
1586 9b5e2ebd 2022-07-07 thomas while (*tree == NULL || nentries < (*tree)->nentries) {
1587 e033d803 2018-04-23 stsp struct imsg imsg;
1588 e033d803 2018-04-23 stsp size_t datalen;
1590 9b5e2ebd 2022-07-07 thomas err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1591 9b5e2ebd 2022-07-07 thomas if (err)
1594 e033d803 2018-04-23 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1596 e033d803 2018-04-23 stsp switch (imsg.hdr.type) {
1597 e033d803 2018-04-23 stsp case GOT_IMSG_TREE:
1598 e033d803 2018-04-23 stsp /* This message should only appear once. */
1599 e033d803 2018-04-23 stsp if (*tree != NULL) {
1600 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1603 291624d8 2018-11-07 stsp if (datalen != sizeof(*itree)) {
1604 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1607 291624d8 2018-11-07 stsp itree = imsg.data;
1608 ace4d4e7 2022-05-19 thomas if (itree->nentries < 0) {
1609 ace4d4e7 2022-05-19 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1612 c3b78ecc 2018-11-07 stsp *tree = malloc(sizeof(**tree));
1613 e033d803 2018-04-23 stsp if (*tree == NULL) {
1614 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1617 56e0773d 2019-11-28 stsp (*tree)->entries = calloc(itree->nentries,
1618 56e0773d 2019-11-28 stsp sizeof(struct got_tree_entry));
1619 56e0773d 2019-11-28 stsp if ((*tree)->entries == NULL) {
1620 56e0773d 2019-11-28 stsp err = got_error_from_errno("malloc");
1621 c3bacae2 2022-05-19 thomas free(*tree);
1622 c3bacae2 2022-05-19 thomas *tree = NULL;
1625 56e0773d 2019-11-28 stsp (*tree)->nentries = itree->nentries;
1626 c3b78ecc 2018-11-07 stsp (*tree)->refcnt = 0;
1628 06de99ad 2022-05-19 thomas case GOT_IMSG_TREE_ENTRIES:
1629 e033d803 2018-04-23 stsp /* This message should be preceeded by GOT_IMSG_TREE. */
1630 e033d803 2018-04-23 stsp if (*tree == NULL) {
1631 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1634 63915ee5 2022-06-23 thomas err = recv_tree_entries(imsg.data, datalen,
1635 63915ee5 2022-06-23 thomas *tree, &nentries);
1638 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1642 e033d803 2018-04-23 stsp imsg_free(&imsg);
1647 56e0773d 2019-11-28 stsp if (*tree && (*tree)->nentries != nentries) {
1648 1e51f5b9 2018-04-23 stsp if (err == NULL)
1649 1e51f5b9 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1650 e033d803 2018-04-23 stsp got_object_tree_close(*tree);
1651 e033d803 2018-04-23 stsp *tree = NULL;
1654 ff6b18f8 2018-04-24 stsp return err;
1657 ff6b18f8 2018-04-24 stsp const struct got_error *
1658 ac544f8c 2019-01-13 stsp got_privsep_send_blob(struct imsgbuf *ibuf, size_t size, size_t hdrlen,
1659 ac544f8c 2019-01-13 stsp const uint8_t *data)
1661 2967a784 2018-04-24 stsp struct got_imsg_blob iblob;
1663 c26ee7ad 2022-06-23 thomas memset(&iblob, 0, sizeof(iblob));
1664 2967a784 2018-04-24 stsp iblob.size = size;
1665 ebc55e2d 2018-12-24 stsp iblob.hdrlen = hdrlen;
1667 ac544f8c 2019-01-13 stsp if (data) {
1668 ac544f8c 2019-01-13 stsp uint8_t *buf;
1670 ac544f8c 2019-01-13 stsp if (size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX)
1671 ac544f8c 2019-01-13 stsp return got_error(GOT_ERR_NO_SPACE);
1673 ac544f8c 2019-01-13 stsp buf = malloc(sizeof(iblob) + size);
1674 ac544f8c 2019-01-13 stsp if (buf == NULL)
1675 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1677 ac544f8c 2019-01-13 stsp memcpy(buf, &iblob, sizeof(iblob));
1678 ac544f8c 2019-01-13 stsp memcpy(buf + sizeof(iblob), data, size);
1679 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, buf,
1680 62d463ca 2020-10-20 naddy sizeof(iblob) + size) == -1) {
1681 ac544f8c 2019-01-13 stsp free(buf);
1682 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1684 ac544f8c 2019-01-13 stsp free(buf);
1686 ac544f8c 2019-01-13 stsp /* Data has already been written to file descriptor. */
1687 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, &iblob,
1688 ac544f8c 2019-01-13 stsp sizeof(iblob)) == -1)
1689 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1693 ff6b18f8 2018-04-24 stsp return flush_imsg(ibuf);
1696 ff6b18f8 2018-04-24 stsp const struct got_error *
1697 ac544f8c 2019-01-13 stsp got_privsep_recv_blob(uint8_t **outbuf, size_t *size, size_t *hdrlen,
1698 ac544f8c 2019-01-13 stsp struct imsgbuf *ibuf)
1700 ff6b18f8 2018-04-24 stsp const struct got_error *err = NULL;
1701 ff6b18f8 2018-04-24 stsp struct imsg imsg;
1702 291624d8 2018-11-07 stsp struct got_imsg_blob *iblob;
1703 ff6b18f8 2018-04-24 stsp size_t datalen;
1705 ac544f8c 2019-01-13 stsp *outbuf = NULL;
1707 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1709 ff6b18f8 2018-04-24 stsp return err;
1711 ff6b18f8 2018-04-24 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1713 ff6b18f8 2018-04-24 stsp switch (imsg.hdr.type) {
1714 ff6b18f8 2018-04-24 stsp case GOT_IMSG_BLOB:
1715 ac544f8c 2019-01-13 stsp if (datalen < sizeof(*iblob)) {
1716 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1719 291624d8 2018-11-07 stsp iblob = imsg.data;
1720 291624d8 2018-11-07 stsp *size = iblob->size;
1721 ebc55e2d 2018-12-24 stsp *hdrlen = iblob->hdrlen;
1723 ac544f8c 2019-01-13 stsp if (datalen == sizeof(*iblob)) {
1724 ac544f8c 2019-01-13 stsp /* Data has been written to file descriptor. */
1728 31d32634 2022-06-23 thomas if (*size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX ||
1729 31d32634 2022-06-23 thomas *size > datalen + sizeof(*iblob)) {
1730 ac544f8c 2019-01-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1734 ac544f8c 2019-01-13 stsp *outbuf = malloc(*size);
1735 ac544f8c 2019-01-13 stsp if (*outbuf == NULL) {
1736 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1739 ac544f8c 2019-01-13 stsp memcpy(*outbuf, imsg.data + sizeof(*iblob), *size);
1742 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1746 f4a881ce 2018-11-17 stsp imsg_free(&imsg);
1748 f4a881ce 2018-11-17 stsp return err;
1751 f4a881ce 2018-11-17 stsp static const struct got_error *
1752 f4a881ce 2018-11-17 stsp send_tagmsg(struct imsgbuf *ibuf, struct got_tag_object *tag, size_t tagmsg_len)
1754 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1755 f4a881ce 2018-11-17 stsp size_t offset, remain;
1757 f4a881ce 2018-11-17 stsp offset = 0;
1758 f4a881ce 2018-11-17 stsp remain = tagmsg_len;
1759 f4a881ce 2018-11-17 stsp while (remain > 0) {
1760 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1762 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_TAGMSG, 0, 0, -1,
1763 f4a881ce 2018-11-17 stsp tag->tagmsg + offset, n) == -1) {
1764 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG_TAGMSG");
1768 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1772 f4a881ce 2018-11-17 stsp offset += n;
1773 f4a881ce 2018-11-17 stsp remain -= n;
1776 f4a881ce 2018-11-17 stsp return err;
1779 f4a881ce 2018-11-17 stsp const struct got_error *
1780 f4a881ce 2018-11-17 stsp got_privsep_send_tag(struct imsgbuf *ibuf, struct got_tag_object *tag)
1782 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1783 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1784 f4a881ce 2018-11-17 stsp uint8_t *buf;
1785 f4a881ce 2018-11-17 stsp size_t len, total;
1786 f4a881ce 2018-11-17 stsp size_t tag_len = strlen(tag->tag);
1787 f4a881ce 2018-11-17 stsp size_t tagger_len = strlen(tag->tagger);
1788 f4a881ce 2018-11-17 stsp size_t tagmsg_len = strlen(tag->tagmsg);
1790 f4a881ce 2018-11-17 stsp total = sizeof(*itag) + tag_len + tagger_len + tagmsg_len;
1792 f4a881ce 2018-11-17 stsp buf = malloc(total);
1793 f4a881ce 2018-11-17 stsp if (buf == NULL)
1794 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1796 f4a881ce 2018-11-17 stsp itag = (struct got_imsg_tag_object *)buf;
1797 35cdfa2c 2023-02-20 thomas memcpy(&itag->id, &tag->id, sizeof(itag->id));
1798 f4a881ce 2018-11-17 stsp itag->obj_type = tag->obj_type;
1799 f4a881ce 2018-11-17 stsp itag->tag_len = tag_len;
1800 f4a881ce 2018-11-17 stsp itag->tagger_len = tagger_len;
1801 f4a881ce 2018-11-17 stsp itag->tagger_time = tag->tagger_time;
1802 f4a881ce 2018-11-17 stsp itag->tagger_gmtoff = tag->tagger_gmtoff;
1803 f4a881ce 2018-11-17 stsp itag->tagmsg_len = tagmsg_len;
1805 f4a881ce 2018-11-17 stsp len = sizeof(*itag);
1806 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tag, tag_len);
1807 f4a881ce 2018-11-17 stsp len += tag_len;
1808 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tagger, tagger_len);
1809 f4a881ce 2018-11-17 stsp len += tagger_len;
1811 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG, 0, 0, -1, buf, len) == -1) {
1812 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG");
1813 f4a881ce 2018-11-17 stsp goto done;
1816 f4a881ce 2018-11-17 stsp if (tagmsg_len == 0 ||
1817 f4a881ce 2018-11-17 stsp tagmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1818 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1820 f4a881ce 2018-11-17 stsp goto done;
1822 f4a881ce 2018-11-17 stsp err = send_tagmsg(ibuf, tag, tagmsg_len);
1824 f4a881ce 2018-11-17 stsp free(buf);
1825 f4a881ce 2018-11-17 stsp return err;
1828 f4a881ce 2018-11-17 stsp const struct got_error *
1829 f4a881ce 2018-11-17 stsp got_privsep_recv_tag(struct got_tag_object **tag, struct imsgbuf *ibuf)
1831 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1832 f4a881ce 2018-11-17 stsp struct imsg imsg;
1833 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1834 f4a881ce 2018-11-17 stsp size_t len, datalen;
1835 f4a881ce 2018-11-17 stsp const size_t min_datalen =
1836 f4a881ce 2018-11-17 stsp MIN(sizeof(struct got_imsg_error),
1837 f4a881ce 2018-11-17 stsp sizeof(struct got_imsg_tag_object));
1839 f4a881ce 2018-11-17 stsp *tag = NULL;
1841 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1843 f4a881ce 2018-11-17 stsp return err;
1845 f4a881ce 2018-11-17 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1848 f4a881ce 2018-11-17 stsp switch (imsg.hdr.type) {
1849 f4a881ce 2018-11-17 stsp case GOT_IMSG_TAG:
1850 f4a881ce 2018-11-17 stsp if (datalen < sizeof(*itag)) {
1851 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1854 f4a881ce 2018-11-17 stsp itag = imsg.data;
1855 f4a881ce 2018-11-17 stsp if (datalen != sizeof(*itag) + itag->tag_len +
1856 f4a881ce 2018-11-17 stsp itag->tagger_len) {
1857 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1860 f4a881ce 2018-11-17 stsp len += sizeof(*itag);
1862 f4a881ce 2018-11-17 stsp *tag = calloc(1, sizeof(**tag));
1863 f4a881ce 2018-11-17 stsp if (*tag == NULL) {
1864 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
1868 35cdfa2c 2023-02-20 thomas memcpy(&(*tag)->id, &itag->id, sizeof(itag->id));
1870 79b7acf3 2022-06-23 thomas (*tag)->tag = strndup(imsg.data + len, itag->tag_len);
1871 79b7acf3 2022-06-23 thomas if ((*tag)->tag == NULL) {
1872 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1875 f4a881ce 2018-11-17 stsp len += itag->tag_len;
1877 f4a881ce 2018-11-17 stsp (*tag)->obj_type = itag->obj_type;
1878 f4a881ce 2018-11-17 stsp (*tag)->tagger_time = itag->tagger_time;
1879 f4a881ce 2018-11-17 stsp (*tag)->tagger_gmtoff = itag->tagger_gmtoff;
1881 79b7acf3 2022-06-23 thomas (*tag)->tagger = strndup(imsg.data + len, itag->tagger_len);
1882 79b7acf3 2022-06-23 thomas if ((*tag)->tagger == NULL) {
1883 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1886 f4a881ce 2018-11-17 stsp len += itag->tagger_len;
1888 f4a881ce 2018-11-17 stsp if (itag->tagmsg_len == 0) {
1889 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = strdup("");
1890 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1891 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1895 f4a881ce 2018-11-17 stsp size_t offset = 0, remain = itag->tagmsg_len;
1897 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = malloc(itag->tagmsg_len + 1);
1898 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1899 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1902 f4a881ce 2018-11-17 stsp while (remain > 0) {
1903 f4a881ce 2018-11-17 stsp struct imsg imsg_log;
1904 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1907 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1909 f4a881ce 2018-11-17 stsp return err;
1911 f4a881ce 2018-11-17 stsp if (imsg_log.hdr.type != GOT_IMSG_TAG_TAGMSG)
1912 f4a881ce 2018-11-17 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
1914 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagmsg + offset, imsg_log.data,
1916 f4a881ce 2018-11-17 stsp imsg_free(&imsg_log);
1917 f4a881ce 2018-11-17 stsp offset += n;
1918 f4a881ce 2018-11-17 stsp remain -= n;
1920 f4a881ce 2018-11-17 stsp (*tag)->tagmsg[itag->tagmsg_len] = '\0';
1925 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1929 ff6b18f8 2018-04-24 stsp imsg_free(&imsg);
1931 2178c42e 2018-04-22 stsp return err;
1934 876c234b 2018-09-10 stsp const struct got_error *
1935 876c234b 2018-09-10 stsp got_privsep_init_pack_child(struct imsgbuf *ibuf, struct got_pack *pack,
1936 876c234b 2018-09-10 stsp struct got_packidx *packidx)
1938 41496140 2019-02-21 stsp const struct got_error *err = NULL;
1939 876c234b 2018-09-10 stsp struct got_imsg_packidx ipackidx;
1940 876c234b 2018-09-10 stsp struct got_imsg_pack ipack;
1943 c26ee7ad 2022-06-23 thomas memset(&ipackidx, 0, sizeof(ipackidx));
1944 c26ee7ad 2022-06-23 thomas memset(&ipack, 0, sizeof(ipack));
1946 876c234b 2018-09-10 stsp ipackidx.len = packidx->len;
1947 c3564dfa 2021-07-15 stsp ipackidx.packfile_size = pack->filesize;
1948 876c234b 2018-09-10 stsp fd = dup(packidx->fd);
1949 876c234b 2018-09-10 stsp if (fd == -1)
1950 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1952 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKIDX, 0, 0, fd, &ipackidx,
1953 41496140 2019-02-21 stsp sizeof(ipackidx)) == -1) {
1954 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACKIDX");
1955 41496140 2019-02-21 stsp close(fd);
1956 41496140 2019-02-21 stsp return err;
1959 876c234b 2018-09-10 stsp if (strlcpy(ipack.path_packfile, pack->path_packfile,
1960 876c234b 2018-09-10 stsp sizeof(ipack.path_packfile)) >= sizeof(ipack.path_packfile))
1961 876c234b 2018-09-10 stsp return got_error(GOT_ERR_NO_SPACE);
1962 876c234b 2018-09-10 stsp ipack.filesize = pack->filesize;
1964 876c234b 2018-09-10 stsp fd = dup(pack->fd);
1965 876c234b 2018-09-10 stsp if (fd == -1)
1966 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1968 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACK, 0, 0, fd, &ipack, sizeof(ipack))
1970 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACK");
1971 41496140 2019-02-21 stsp close(fd);
1972 41496140 2019-02-21 stsp return err;
1975 876c234b 2018-09-10 stsp return flush_imsg(ibuf);
1978 876c234b 2018-09-10 stsp const struct got_error *
1979 106807b4 2018-09-15 stsp got_privsep_send_packed_obj_req(struct imsgbuf *ibuf, int idx,
1980 106807b4 2018-09-15 stsp struct got_object_id *id)
1982 876c234b 2018-09-10 stsp struct got_imsg_packed_object iobj;
1984 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
1985 876c234b 2018-09-10 stsp iobj.idx = idx;
1986 b6f67730 2023-02-03 thomas memcpy(&iobj.id, id, sizeof(iobj.id));
1988 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_OBJECT_REQUEST, 0, 0, -1,
1989 876c234b 2018-09-10 stsp &iobj, sizeof(iobj)) == -1)
1990 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose "
1991 230a42bd 2019-05-11 jcs "PACKED_OBJECT_REQUEST");
1993 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1996 aba9c984 2019-09-08 stsp const struct got_error *
1997 59d1e4a0 2021-03-10 stsp got_privsep_send_packed_raw_obj_req(struct imsgbuf *ibuf, int idx,
1998 59d1e4a0 2021-03-10 stsp struct got_object_id *id)
2000 59d1e4a0 2021-03-10 stsp struct got_imsg_packed_object iobj;
2002 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
2003 59d1e4a0 2021-03-10 stsp iobj.idx = idx;
2004 b6f67730 2023-02-03 thomas memcpy(&iobj.id, id, sizeof(iobj.id));
2006 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_RAW_OBJECT_REQUEST, 0, 0, -1,
2007 59d1e4a0 2021-03-10 stsp &iobj, sizeof(iobj)) == -1)
2008 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose "
2009 59d1e4a0 2021-03-10 stsp "PACKED_OBJECT_REQUEST");
2011 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
2014 59d1e4a0 2021-03-10 stsp const struct got_error *
2015 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_parse_req(struct imsgbuf *ibuf, int fd)
2017 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2019 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_PARSE_REQUEST, 0, 0, fd,
2020 aba9c984 2019-09-08 stsp NULL, 0) == -1) {
2021 aba9c984 2019-09-08 stsp err = got_error_from_errno("imsg_compose "
2022 aba9c984 2019-09-08 stsp "GITCONFIG_PARSE_REQUEST");
2023 aba9c984 2019-09-08 stsp close(fd);
2024 aba9c984 2019-09-08 stsp return err;
2027 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2030 aba9c984 2019-09-08 stsp const struct got_error *
2031 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_repository_format_version_req(struct imsgbuf *ibuf)
2033 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2034 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST, 0, 0, -1,
2035 aba9c984 2019-09-08 stsp NULL, 0) == -1)
2036 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2037 aba9c984 2019-09-08 stsp "GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST");
2039 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2042 aba9c984 2019-09-08 stsp const struct got_error *
2043 20b7abb3 2020-10-22 stsp got_privsep_send_gitconfig_repository_extensions_req(struct imsgbuf *ibuf)
2045 20b7abb3 2020-10-22 stsp if (imsg_compose(ibuf,
2046 20b7abb3 2020-10-22 stsp GOT_IMSG_GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST, 0, 0, -1,
2047 20b7abb3 2020-10-22 stsp NULL, 0) == -1)
2048 20b7abb3 2020-10-22 stsp return got_error_from_errno("imsg_compose "
2049 20b7abb3 2020-10-22 stsp "GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST");
2051 20b7abb3 2020-10-22 stsp return flush_imsg(ibuf);
2055 20b7abb3 2020-10-22 stsp const struct got_error *
2056 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_name_req(struct imsgbuf *ibuf)
2058 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2059 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_NAME_REQUEST, 0, 0, -1, NULL, 0) == -1)
2060 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2061 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_NAME_REQUEST");
2063 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2066 aba9c984 2019-09-08 stsp const struct got_error *
2067 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_email_req(struct imsgbuf *ibuf)
2069 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2070 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_EMAIL_REQUEST, 0, 0, -1, NULL, 0) == -1)
2071 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2072 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_EMAIL_REQUEST");
2074 cd95becd 2019-11-29 stsp return flush_imsg(ibuf);
2077 cd95becd 2019-11-29 stsp const struct got_error *
2078 cd95becd 2019-11-29 stsp got_privsep_send_gitconfig_remotes_req(struct imsgbuf *ibuf)
2080 cd95becd 2019-11-29 stsp if (imsg_compose(ibuf,
2081 cd95becd 2019-11-29 stsp GOT_IMSG_GITCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2082 cd95becd 2019-11-29 stsp return got_error_from_errno("imsg_compose "
2083 cd95becd 2019-11-29 stsp "GITCONFIG_REMOTE_REQUEST");
2085 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2088 aba9c984 2019-09-08 stsp const struct got_error *
2089 9a1cc63f 2020-02-03 stsp got_privsep_send_gitconfig_owner_req(struct imsgbuf *ibuf)
2091 9a1cc63f 2020-02-03 stsp if (imsg_compose(ibuf,
2092 9a1cc63f 2020-02-03 stsp GOT_IMSG_GITCONFIG_OWNER_REQUEST, 0, 0, -1, NULL, 0) == -1)
2093 9a1cc63f 2020-02-03 stsp return got_error_from_errno("imsg_compose "
2094 9a1cc63f 2020-02-03 stsp "GITCONFIG_OWNER_REQUEST");
2096 9a1cc63f 2020-02-03 stsp return flush_imsg(ibuf);
2099 9a1cc63f 2020-02-03 stsp const struct got_error *
2100 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_str(char **str, struct imsgbuf *ibuf)
2102 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2103 aba9c984 2019-09-08 stsp struct imsg imsg;
2104 aba9c984 2019-09-08 stsp size_t datalen;
2106 aba9c984 2019-09-08 stsp *str = NULL;
2108 12a8238e 2022-06-23 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2110 aba9c984 2019-09-08 stsp return err;
2111 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2113 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2114 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_STR_VAL:
2115 aba9c984 2019-09-08 stsp if (datalen == 0)
2117 fcbb06bf 2023-01-14 thomas *str = strndup(imsg.data, datalen);
2118 aba9c984 2019-09-08 stsp if (*str == NULL) {
2119 fcbb06bf 2023-01-14 thomas err = got_error_from_errno("strndup");
2124 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2128 b091c2cd 2023-02-07 thomas imsg_free(&imsg);
2129 b091c2cd 2023-02-07 thomas return err;
2132 b091c2cd 2023-02-07 thomas const struct got_error *
2133 b091c2cd 2023-02-07 thomas got_privsep_recv_gitconfig_pair(char **key, char **val, struct imsgbuf *ibuf)
2135 b091c2cd 2023-02-07 thomas const struct got_error *err = NULL;
2136 b091c2cd 2023-02-07 thomas struct got_imsg_gitconfig_pair p;
2137 b091c2cd 2023-02-07 thomas struct imsg imsg;
2138 b091c2cd 2023-02-07 thomas size_t datalen;
2139 b091c2cd 2023-02-07 thomas uint8_t *data;
2141 b091c2cd 2023-02-07 thomas *key = *val = NULL;
2143 b091c2cd 2023-02-07 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2144 b091c2cd 2023-02-07 thomas if (err)
2145 b091c2cd 2023-02-07 thomas return err;
2147 b091c2cd 2023-02-07 thomas data = imsg.data;
2148 b091c2cd 2023-02-07 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2150 b091c2cd 2023-02-07 thomas if (imsg.hdr.type != GOT_IMSG_GITCONFIG_PAIR) {
2151 b091c2cd 2023-02-07 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2152 b091c2cd 2023-02-07 thomas goto done;
2155 b091c2cd 2023-02-07 thomas if (datalen < sizeof(p)) {
2156 b091c2cd 2023-02-07 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2157 b091c2cd 2023-02-07 thomas goto done;
2160 b091c2cd 2023-02-07 thomas memcpy(&p, data, sizeof(p));
2161 b091c2cd 2023-02-07 thomas data += sizeof(p);
2163 b091c2cd 2023-02-07 thomas if (datalen != sizeof(p) + p.klen + p.vlen) {
2164 b091c2cd 2023-02-07 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2165 b091c2cd 2023-02-07 thomas goto done;
2168 b091c2cd 2023-02-07 thomas *key = strndup(data, p.klen);
2169 b091c2cd 2023-02-07 thomas if (*key == NULL) {
2170 b091c2cd 2023-02-07 thomas err = got_error_from_errno("strndup");
2171 b091c2cd 2023-02-07 thomas goto done;
2173 b091c2cd 2023-02-07 thomas data += p.klen;
2175 b091c2cd 2023-02-07 thomas *val = strndup(data, p.vlen);
2176 b091c2cd 2023-02-07 thomas if (*val == NULL) {
2177 b091c2cd 2023-02-07 thomas err = got_error_from_errno("strndup");
2178 b091c2cd 2023-02-07 thomas goto done;
2182 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2183 aba9c984 2019-09-08 stsp return err;
2186 aba9c984 2019-09-08 stsp const struct got_error *
2187 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_int(int *val, struct imsgbuf *ibuf)
2189 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2190 aba9c984 2019-09-08 stsp struct imsg imsg;
2191 aba9c984 2019-09-08 stsp size_t datalen;
2192 aba9c984 2019-09-08 stsp const size_t min_datalen =
2193 aba9c984 2019-09-08 stsp MIN(sizeof(struct got_imsg_error), sizeof(int));
2197 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2199 aba9c984 2019-09-08 stsp return err;
2200 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2202 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2203 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_INT_VAL:
2204 aba9c984 2019-09-08 stsp if (datalen != sizeof(*val)) {
2205 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2208 aba9c984 2019-09-08 stsp memcpy(val, imsg.data, sizeof(*val));
2211 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2215 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2216 cd95becd 2019-11-29 stsp return err;
2219 b8adfa55 2020-09-25 stsp static void
2220 b8adfa55 2020-09-25 stsp free_remote_data(struct got_remote_repo *remote)
2224 b8adfa55 2020-09-25 stsp free(remote->name);
2225 6480c871 2021-08-30 stsp free(remote->fetch_url);
2226 6480c871 2021-08-30 stsp free(remote->send_url);
2227 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_branches; i++)
2228 6480c871 2021-08-30 stsp free(remote->fetch_branches[i]);
2229 6480c871 2021-08-30 stsp free(remote->fetch_branches);
2230 6480c871 2021-08-30 stsp for (i = 0; i < remote->nsend_branches; i++)
2231 6480c871 2021-08-30 stsp free(remote->send_branches[i]);
2232 6480c871 2021-08-30 stsp free(remote->send_branches);
2233 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_refs; i++)
2234 6480c871 2021-08-30 stsp free(remote->fetch_refs[i]);
2235 6480c871 2021-08-30 stsp free(remote->fetch_refs);
2238 cd95becd 2019-11-29 stsp const struct got_error *
2239 cd95becd 2019-11-29 stsp got_privsep_recv_gitconfig_remotes(struct got_remote_repo **remotes,
2240 cd95becd 2019-11-29 stsp int *nremotes, struct imsgbuf *ibuf)
2242 cd95becd 2019-11-29 stsp const struct got_error *err = NULL;
2243 cd95becd 2019-11-29 stsp struct imsg imsg;
2244 cd95becd 2019-11-29 stsp size_t datalen;
2245 cd95becd 2019-11-29 stsp struct got_imsg_remotes iremotes;
2246 cd95becd 2019-11-29 stsp struct got_imsg_remote iremote;
2248 cd95becd 2019-11-29 stsp *remotes = NULL;
2249 cd95becd 2019-11-29 stsp *nremotes = 0;
2250 d669b9c9 2020-02-22 stsp iremotes.nremotes = 0;
2252 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremotes));
2254 cd95becd 2019-11-29 stsp return err;
2255 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2257 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2258 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTES:
2259 cd95becd 2019-11-29 stsp if (datalen != sizeof(iremotes)) {
2260 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2263 cd95becd 2019-11-29 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2264 cd95becd 2019-11-29 stsp if (iremotes.nremotes == 0) {
2265 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2266 cd95becd 2019-11-29 stsp return NULL;
2270 54b1c5b5 2020-02-22 stsp imsg_free(&imsg);
2271 54b1c5b5 2020-02-22 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2274 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2276 5146eb39 2020-03-20 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2277 cd95becd 2019-11-29 stsp if (*remotes == NULL)
2278 cd95becd 2019-11-29 stsp return got_error_from_errno("recallocarray");
2280 cd95becd 2019-11-29 stsp while (*nremotes < iremotes.nremotes) {
2281 cd95becd 2019-11-29 stsp struct got_remote_repo *remote;
2283 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremote));
2286 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2288 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2289 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTE:
2290 cd95becd 2019-11-29 stsp remote = &(*remotes)[*nremotes];
2291 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2292 cd95becd 2019-11-29 stsp if (datalen < sizeof(iremote)) {
2293 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2296 cd95becd 2019-11-29 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2297 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2298 6480c871 2021-08-30 stsp iremote.fetch_url_len == 0 ||
2299 6480c871 2021-08-30 stsp iremote.send_url_len == 0 ||
2300 cd95becd 2019-11-29 stsp (sizeof(iremote) + iremote.name_len +
2301 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) > datalen) {
2302 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2305 cd95becd 2019-11-29 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2306 cd95becd 2019-11-29 stsp iremote.name_len);
2307 cd95becd 2019-11-29 stsp if (remote->name == NULL) {
2308 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2311 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data + sizeof(iremote) +
2312 6480c871 2021-08-30 stsp iremote.name_len, iremote.fetch_url_len);
2313 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2314 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2315 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2318 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data + sizeof(iremote) +
2319 6480c871 2021-08-30 stsp iremote.name_len + iremote.fetch_url_len,
2320 6480c871 2021-08-30 stsp iremote.send_url_len);
2321 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2322 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2323 6480c871 2021-08-30 stsp free_remote_data(remote);
2326 469dd726 2020-03-20 stsp remote->mirror_references = iremote.mirror_references;
2327 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2328 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2329 6480c871 2021-08-30 stsp remote->fetch_branches = NULL;
2330 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2331 6480c871 2021-08-30 stsp remote->send_branches = NULL;
2332 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2333 6480c871 2021-08-30 stsp remote->fetch_refs = NULL;
2334 cd95becd 2019-11-29 stsp (*nremotes)++;
2337 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2341 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2346 cd95becd 2019-11-29 stsp if (err) {
2348 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2349 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2350 cd95becd 2019-11-29 stsp free(*remotes);
2351 cd95becd 2019-11-29 stsp *remotes = NULL;
2352 cd95becd 2019-11-29 stsp *nremotes = 0;
2354 aba9c984 2019-09-08 stsp return err;
2357 257add31 2020-09-09 stsp const struct got_error *
2358 257add31 2020-09-09 stsp got_privsep_send_gotconfig_parse_req(struct imsgbuf *ibuf, int fd)
2360 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2362 257add31 2020-09-09 stsp if (imsg_compose(ibuf, GOT_IMSG_GOTCONFIG_PARSE_REQUEST, 0, 0, fd,
2363 257add31 2020-09-09 stsp NULL, 0) == -1) {
2364 257add31 2020-09-09 stsp err = got_error_from_errno("imsg_compose "
2365 257add31 2020-09-09 stsp "GOTCONFIG_PARSE_REQUEST");
2366 257add31 2020-09-09 stsp close(fd);
2367 257add31 2020-09-09 stsp return err;
2370 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2373 257add31 2020-09-09 stsp const struct got_error *
2374 257add31 2020-09-09 stsp got_privsep_send_gotconfig_author_req(struct imsgbuf *ibuf)
2376 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2377 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_AUTHOR_REQUEST, 0, 0, -1, NULL, 0) == -1)
2378 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2379 257add31 2020-09-09 stsp "GOTCONFIG_AUTHOR_REQUEST");
2381 871bd038 2022-07-03 thomas return flush_imsg(ibuf);
2384 871bd038 2022-07-03 thomas const struct got_error *
2385 871bd038 2022-07-03 thomas got_privsep_send_gotconfig_allowed_signers_req(struct imsgbuf *ibuf)
2387 871bd038 2022-07-03 thomas if (imsg_compose(ibuf,
2388 871bd038 2022-07-03 thomas GOT_IMSG_GOTCONFIG_ALLOWEDSIGNERS_REQUEST, 0, 0, -1, NULL, 0) == -1)
2389 871bd038 2022-07-03 thomas return got_error_from_errno("imsg_compose "
2390 871bd038 2022-07-03 thomas "GOTCONFIG_ALLOWEDSIGNERS_REQUEST");
2392 871bd038 2022-07-03 thomas return flush_imsg(ibuf);
2395 871bd038 2022-07-03 thomas const struct got_error *
2396 871bd038 2022-07-03 thomas got_privsep_send_gotconfig_revoked_signers_req(struct imsgbuf *ibuf)
2398 871bd038 2022-07-03 thomas if (imsg_compose(ibuf,
2399 871bd038 2022-07-03 thomas GOT_IMSG_GOTCONFIG_REVOKEDSIGNERS_REQUEST, 0, 0, -1, NULL, 0) == -1)
2400 871bd038 2022-07-03 thomas return got_error_from_errno("imsg_compose "
2401 871bd038 2022-07-03 thomas "GOTCONFIG_REVOKEDSIGNERS_REQUEST");
2403 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2406 ca6e02ac 2020-01-07 stsp const struct got_error *
2407 ff5e1f09 2022-07-06 thomas got_privsep_send_gotconfig_signer_id_req(struct imsgbuf *ibuf)
2409 ff5e1f09 2022-07-06 thomas if (imsg_compose(ibuf,
2410 ff5e1f09 2022-07-06 thomas GOT_IMSG_GOTCONFIG_SIGNERID_REQUEST, 0, 0, -1, NULL, 0) == -1)
2411 ff5e1f09 2022-07-06 thomas return got_error_from_errno("imsg_compose "
2412 ff5e1f09 2022-07-06 thomas "GOTCONFIG_SIGNERID_REQUEST");
2414 ff5e1f09 2022-07-06 thomas return flush_imsg(ibuf);
2417 ff5e1f09 2022-07-06 thomas const struct got_error *
2418 257add31 2020-09-09 stsp got_privsep_send_gotconfig_remotes_req(struct imsgbuf *ibuf)
2420 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2421 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2422 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2423 257add31 2020-09-09 stsp "GOTCONFIG_REMOTE_REQUEST");
2425 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2428 257add31 2020-09-09 stsp const struct got_error *
2429 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_str(char **str, struct imsgbuf *ibuf)
2431 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2432 257add31 2020-09-09 stsp struct imsg imsg;
2433 257add31 2020-09-09 stsp size_t datalen;
2435 257add31 2020-09-09 stsp *str = NULL;
2437 12a8238e 2022-06-23 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2439 257add31 2020-09-09 stsp return err;
2440 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2442 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2443 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_STR_VAL:
2444 257add31 2020-09-09 stsp if (datalen == 0)
2446 fcbb06bf 2023-01-14 thomas *str = strndup(imsg.data, datalen);
2447 257add31 2020-09-09 stsp if (*str == NULL) {
2448 fcbb06bf 2023-01-14 thomas err = got_error_from_errno("strndup");
2453 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2457 257add31 2020-09-09 stsp imsg_free(&imsg);
2458 257add31 2020-09-09 stsp return err;
2461 257add31 2020-09-09 stsp const struct got_error *
2462 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_remotes(struct got_remote_repo **remotes,
2463 257add31 2020-09-09 stsp int *nremotes, struct imsgbuf *ibuf)
2465 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2466 257add31 2020-09-09 stsp struct imsg imsg;
2467 257add31 2020-09-09 stsp size_t datalen;
2468 257add31 2020-09-09 stsp struct got_imsg_remotes iremotes;
2469 257add31 2020-09-09 stsp struct got_imsg_remote iremote;
2470 257add31 2020-09-09 stsp const size_t min_datalen =
2471 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremotes));
2473 257add31 2020-09-09 stsp *remotes = NULL;
2474 257add31 2020-09-09 stsp *nremotes = 0;
2475 257add31 2020-09-09 stsp iremotes.nremotes = 0;
2477 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2479 257add31 2020-09-09 stsp return err;
2480 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2482 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2483 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTES:
2484 257add31 2020-09-09 stsp if (datalen != sizeof(iremotes)) {
2485 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2488 257add31 2020-09-09 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2489 31d32634 2022-06-23 thomas if (iremotes.nremotes < 0) {
2490 31d32634 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2493 257add31 2020-09-09 stsp if (iremotes.nremotes == 0) {
2494 257add31 2020-09-09 stsp imsg_free(&imsg);
2495 257add31 2020-09-09 stsp return NULL;
2499 257add31 2020-09-09 stsp imsg_free(&imsg);
2500 257add31 2020-09-09 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2503 257add31 2020-09-09 stsp imsg_free(&imsg);
2505 257add31 2020-09-09 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2506 257add31 2020-09-09 stsp if (*remotes == NULL)
2507 257add31 2020-09-09 stsp return got_error_from_errno("recallocarray");
2509 257add31 2020-09-09 stsp while (*nremotes < iremotes.nremotes) {
2510 257add31 2020-09-09 stsp struct got_remote_repo *remote;
2511 257add31 2020-09-09 stsp const size_t min_datalen =
2512 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremote));
2515 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2518 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2520 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2521 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTE:
2522 257add31 2020-09-09 stsp remote = &(*remotes)[*nremotes];
2523 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2524 257add31 2020-09-09 stsp if (datalen < sizeof(iremote)) {
2525 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2528 257add31 2020-09-09 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2529 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2530 6480c871 2021-08-30 stsp (iremote.fetch_url_len == 0 &&
2531 6480c871 2021-08-30 stsp iremote.send_url_len == 0) ||
2532 257add31 2020-09-09 stsp (sizeof(iremote) + iremote.name_len +
2533 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) >
2534 6480c871 2021-08-30 stsp datalen) {
2535 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2538 257add31 2020-09-09 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2539 257add31 2020-09-09 stsp iremote.name_len);
2540 257add31 2020-09-09 stsp if (remote->name == NULL) {
2541 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2544 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data +
2545 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len,
2546 6480c871 2021-08-30 stsp iremote.fetch_url_len);
2547 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2548 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2549 6480c871 2021-08-30 stsp free_remote_data(remote);
2552 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data +
2553 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len +
2554 6480c871 2021-08-30 stsp iremote.fetch_url_len, iremote.send_url_len);
2555 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2556 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2557 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2560 257add31 2020-09-09 stsp remote->mirror_references = iremote.mirror_references;
2561 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2562 6480c871 2021-08-30 stsp if (iremote.nfetch_branches > 0) {
2563 6480c871 2021-08-30 stsp remote->fetch_branches = recallocarray(NULL, 0,
2564 6480c871 2021-08-30 stsp iremote.nfetch_branches, sizeof(char *));
2565 6480c871 2021-08-30 stsp if (remote->fetch_branches == NULL) {
2566 b8adfa55 2020-09-25 stsp err = got_error_from_errno("calloc");
2567 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2571 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2572 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_branches; i++) {
2573 b8adfa55 2020-09-25 stsp char *branch;
2574 b8adfa55 2020-09-25 stsp err = got_privsep_recv_gotconfig_str(&branch,
2576 b8adfa55 2020-09-25 stsp if (err) {
2577 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2578 b8adfa55 2020-09-25 stsp goto done;
2580 6480c871 2021-08-30 stsp remote->fetch_branches[i] = branch;
2581 6480c871 2021-08-30 stsp remote->nfetch_branches++;
2583 6480c871 2021-08-30 stsp if (iremote.nsend_branches > 0) {
2584 6480c871 2021-08-30 stsp remote->send_branches = recallocarray(NULL, 0,
2585 6480c871 2021-08-30 stsp iremote.nsend_branches, sizeof(char *));
2586 6480c871 2021-08-30 stsp if (remote->send_branches == NULL) {
2587 99495ddb 2021-01-10 stsp err = got_error_from_errno("calloc");
2588 99495ddb 2021-01-10 stsp free_remote_data(remote);
2592 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2593 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nsend_branches; i++) {
2594 6480c871 2021-08-30 stsp char *branch;
2595 6480c871 2021-08-30 stsp err = got_privsep_recv_gotconfig_str(&branch,
2597 6480c871 2021-08-30 stsp if (err) {
2598 6480c871 2021-08-30 stsp free_remote_data(remote);
2599 6480c871 2021-08-30 stsp goto done;
2601 6480c871 2021-08-30 stsp remote->send_branches[i] = branch;
2602 6480c871 2021-08-30 stsp remote->nsend_branches++;
2604 6480c871 2021-08-30 stsp if (iremote.nfetch_refs > 0) {
2605 6480c871 2021-08-30 stsp remote->fetch_refs = recallocarray(NULL, 0,
2606 6480c871 2021-08-30 stsp iremote.nfetch_refs, sizeof(char *));
2607 6480c871 2021-08-30 stsp if (remote->fetch_refs == NULL) {
2608 6480c871 2021-08-30 stsp err = got_error_from_errno("calloc");
2609 6480c871 2021-08-30 stsp free_remote_data(remote);
2613 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2614 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_refs; i++) {
2615 99495ddb 2021-01-10 stsp char *ref;
2616 99495ddb 2021-01-10 stsp err = got_privsep_recv_gotconfig_str(&ref,
2618 99495ddb 2021-01-10 stsp if (err) {
2619 99495ddb 2021-01-10 stsp free_remote_data(remote);
2620 99495ddb 2021-01-10 stsp goto done;
2622 6480c871 2021-08-30 stsp remote->fetch_refs[i] = ref;
2623 6480c871 2021-08-30 stsp remote->nfetch_refs++;
2625 257add31 2020-09-09 stsp (*nremotes)++;
2628 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2632 257add31 2020-09-09 stsp imsg_free(&imsg);
2637 257add31 2020-09-09 stsp if (err) {
2639 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2640 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2641 257add31 2020-09-09 stsp free(*remotes);
2642 257add31 2020-09-09 stsp *remotes = NULL;
2643 257add31 2020-09-09 stsp *nremotes = 0;
2645 257add31 2020-09-09 stsp return err;
2648 257add31 2020-09-09 stsp const struct got_error *
2649 ca6e02ac 2020-01-07 stsp got_privsep_send_commit_traversal_request(struct imsgbuf *ibuf,
2650 abc59930 2021-09-05 naddy struct got_object_id *id, int idx, const char *path)
2652 ca6e02ac 2020-01-07 stsp struct ibuf *wbuf;
2653 a578d6ec 2023-03-01 thomas size_t path_len = strlen(path);
2655 ca6e02ac 2020-01-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_COMMIT_TRAVERSAL_REQUEST, 0, 0,
2656 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_traversal_request) + path_len);
2657 ca6e02ac 2020-01-07 stsp if (wbuf == NULL)
2658 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
2659 ca6e02ac 2020-01-07 stsp "imsg_create COMMIT_TRAVERSAL_REQUEST");
2661 a578d6ec 2023-03-01 thomas * Keep in sync with struct got_imsg_commit_traversal_request
2662 a578d6ec 2023-03-01 thomas * and struct got_imsg_packed_object.
2664 a578d6ec 2023-03-01 thomas if (imsg_add(wbuf, id, sizeof(*id)) == -1)
2665 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add "
2666 e9f1a409 2022-05-19 thomas "COMMIT_TRAVERSAL_REQUEST");
2667 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &idx, sizeof(idx)) == -1)
2668 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add "
2669 e9f1a409 2022-05-19 thomas "COMMIT_TRAVERSAL_REQUEST");
2670 a578d6ec 2023-03-01 thomas if (imsg_add(wbuf, &path_len, sizeof(path_len)) == -1)
2671 a578d6ec 2023-03-01 thomas return got_error_from_errno("imsg_add "
2672 a578d6ec 2023-03-01 thomas "COMMIT_TRAVERSAL_REQUEST");
2673 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, path, path_len) == -1)
2674 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add "
2675 e9f1a409 2022-05-19 thomas "COMMIT_TRAVERSAL_REQUEST");
2677 ca6e02ac 2020-01-07 stsp wbuf->fd = -1;
2678 ca6e02ac 2020-01-07 stsp imsg_close(ibuf, wbuf);
2680 ca6e02ac 2020-01-07 stsp return flush_imsg(ibuf);
2683 ca6e02ac 2020-01-07 stsp const struct got_error *
2684 ca6e02ac 2020-01-07 stsp got_privsep_recv_traversed_commits(struct got_commit_object **changed_commit,
2685 ca6e02ac 2020-01-07 stsp struct got_object_id **changed_commit_id,
2686 ca6e02ac 2020-01-07 stsp struct got_object_id_queue *commit_ids, struct imsgbuf *ibuf)
2688 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
2689 ca6e02ac 2020-01-07 stsp struct imsg imsg;
2690 ca6e02ac 2020-01-07 stsp struct got_imsg_traversed_commits *icommits;
2691 35cdfa2c 2023-02-20 thomas struct got_object_id *ids;
2692 ca6e02ac 2020-01-07 stsp size_t datalen;
2693 ca6e02ac 2020-01-07 stsp int i, done = 0;
2695 ca6e02ac 2020-01-07 stsp *changed_commit = NULL;
2696 ca6e02ac 2020-01-07 stsp *changed_commit_id = NULL;
2698 ca6e02ac 2020-01-07 stsp while (!done) {
2699 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2701 ca6e02ac 2020-01-07 stsp return err;
2703 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2704 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
2705 ca6e02ac 2020-01-07 stsp case GOT_IMSG_TRAVERSED_COMMITS:
2706 ca6e02ac 2020-01-07 stsp icommits = imsg.data;
2707 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommits) +
2708 35cdfa2c 2023-02-20 thomas icommits->ncommits * sizeof(*ids)) {
2709 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2712 35cdfa2c 2023-02-20 thomas ids = imsg.data + sizeof(*icommits);
2713 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommits->ncommits; i++) {
2714 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
2716 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
2719 35cdfa2c 2023-02-20 thomas memcpy(&qid->id, &ids[i], sizeof(ids[i]));
2720 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(commit_ids, qid, entry);
2722 ca6e02ac 2020-01-07 stsp /* The last commit may contain a change. */
2723 ca6e02ac 2020-01-07 stsp if (i == icommits->ncommits - 1) {
2724 ca6e02ac 2020-01-07 stsp *changed_commit_id =
2725 ec242592 2022-04-22 thomas got_object_id_dup(&qid->id);
2726 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2727 ca6e02ac 2020-01-07 stsp err = got_error_from_errno(
2728 ca6e02ac 2020-01-07 stsp "got_object_id_dup");
2734 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
2735 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2736 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2739 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(changed_commit, &imsg,
2740 ca6e02ac 2020-01-07 stsp datalen, ibuf);
2742 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT_TRAVERSAL_DONE:
2746 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2750 ca6e02ac 2020-01-07 stsp imsg_free(&imsg);
2756 ca6e02ac 2020-01-07 stsp got_object_id_queue_free(commit_ids);
2757 ca6e02ac 2020-01-07 stsp return err;
2760 63915ee5 2022-06-23 thomas const struct got_error *
2761 63915ee5 2022-06-23 thomas got_privsep_send_enumerated_tree(size_t *totlen, struct imsgbuf *ibuf,
2762 63915ee5 2022-06-23 thomas struct got_object_id *tree_id, const char *path,
2763 63915ee5 2022-06-23 thomas struct got_parsed_tree_entry *entries, int nentries)
2765 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
2766 63915ee5 2022-06-23 thomas struct ibuf *wbuf;
2767 63915ee5 2022-06-23 thomas size_t path_len = strlen(path);
2768 63915ee5 2022-06-23 thomas size_t msglen;
2770 63915ee5 2022-06-23 thomas msglen = sizeof(struct got_imsg_enumerated_tree) + path_len;
2771 63915ee5 2022-06-23 thomas wbuf = imsg_create(ibuf, GOT_IMSG_ENUMERATED_TREE, 0, 0, msglen);
2772 63915ee5 2022-06-23 thomas if (wbuf == NULL)
2773 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_create ENUMERATED_TREE");
2775 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, tree_id->sha1, SHA1_DIGEST_LENGTH) == -1)
2776 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_TREE");
2777 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, &nentries, sizeof(nentries)) == -1)
2778 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_TREE");
2779 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, path, path_len) == -1)
2780 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_TREE");
2782 63915ee5 2022-06-23 thomas wbuf->fd = -1;
2783 63915ee5 2022-06-23 thomas imsg_close(ibuf, wbuf);
2785 63915ee5 2022-06-23 thomas if (entries) {
2786 63915ee5 2022-06-23 thomas err = send_tree_entries(ibuf, entries, nentries);
2787 63915ee5 2022-06-23 thomas if (err)
2788 63915ee5 2022-06-23 thomas return err;
2791 63915ee5 2022-06-23 thomas return flush_imsg(ibuf);
2794 f9c2e8e5 2022-02-13 thomas const struct got_error *
2795 63915ee5 2022-06-23 thomas got_privsep_send_object_enumeration_request(struct imsgbuf *ibuf)
2797 63915ee5 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_REQUEST,
2798 63915ee5 2022-06-23 thomas 0, 0, -1, NULL, 0) == -1)
2799 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_compose "
2800 63915ee5 2022-06-23 thomas "OBJECT_ENUMERATION_REQUEST");
2802 63915ee5 2022-06-23 thomas return flush_imsg(ibuf);
2805 63915ee5 2022-06-23 thomas const struct got_error *
2806 63915ee5 2022-06-23 thomas got_privsep_send_object_enumeration_done(struct imsgbuf *ibuf)
2808 63915ee5 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_DONE,
2809 63915ee5 2022-06-23 thomas 0, 0, -1, NULL, 0) == -1)
2810 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_compose "
2811 63915ee5 2022-06-23 thomas "OBJECT_ENUMERATION_DONE");
2813 63915ee5 2022-06-23 thomas return flush_imsg(ibuf);
2816 63915ee5 2022-06-23 thomas const struct got_error *
2817 e71f1e62 2022-06-23 thomas got_privsep_send_object_enumeration_incomplete(struct imsgbuf *ibuf)
2819 e71f1e62 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_INCOMPLETE,
2820 e71f1e62 2022-06-23 thomas 0, 0, -1, NULL, 0) == -1)
2821 e71f1e62 2022-06-23 thomas return got_error_from_errno("imsg_compose "
2822 e71f1e62 2022-06-23 thomas "OBJECT_ENUMERATION_INCOMPLETE");
2824 e71f1e62 2022-06-23 thomas return flush_imsg(ibuf);
2827 e71f1e62 2022-06-23 thomas const struct got_error *
2828 63915ee5 2022-06-23 thomas got_privsep_send_enumerated_commit(struct imsgbuf *ibuf,
2829 63915ee5 2022-06-23 thomas struct got_object_id *id, time_t mtime)
2831 63915ee5 2022-06-23 thomas struct ibuf *wbuf;
2833 63915ee5 2022-06-23 thomas wbuf = imsg_create(ibuf, GOT_IMSG_ENUMERATED_COMMIT, 0, 0,
2834 63915ee5 2022-06-23 thomas sizeof(struct got_imsg_enumerated_commit) + SHA1_DIGEST_LENGTH);
2835 63915ee5 2022-06-23 thomas if (wbuf == NULL)
2836 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_create ENUMERATED_COMMIT");
2838 63915ee5 2022-06-23 thomas /* Keep in sync with struct got_imsg_enumerated_commit! */
2839 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, id, SHA1_DIGEST_LENGTH) == -1)
2840 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_COMMIT");
2841 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, &mtime, sizeof(mtime)) == -1)
2842 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_COMMIT");
2844 63915ee5 2022-06-23 thomas wbuf->fd = -1;
2845 63915ee5 2022-06-23 thomas imsg_close(ibuf, wbuf);
2846 63915ee5 2022-06-23 thomas /* Don't flush yet, tree entries or ENUMERATION_DONE will follow. */
2847 63915ee5 2022-06-23 thomas return NULL;
2850 63915ee5 2022-06-23 thomas const struct got_error *
2851 e71f1e62 2022-06-23 thomas got_privsep_recv_enumerated_objects(int *found_all_objects,
2852 e71f1e62 2022-06-23 thomas struct imsgbuf *ibuf,
2853 63915ee5 2022-06-23 thomas got_object_enumerate_commit_cb cb_commit,
2854 63915ee5 2022-06-23 thomas got_object_enumerate_tree_cb cb_tree, void *cb_arg,
2855 63915ee5 2022-06-23 thomas struct got_repository *repo)
2857 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
2858 63915ee5 2022-06-23 thomas struct imsg imsg;
2859 63915ee5 2022-06-23 thomas struct got_imsg_enumerated_commit *icommit = NULL;
2860 63915ee5 2022-06-23 thomas struct got_object_id commit_id;
2861 63915ee5 2022-06-23 thomas int have_commit = 0;
2862 63915ee5 2022-06-23 thomas time_t mtime = 0;
2863 63915ee5 2022-06-23 thomas struct got_tree_object tree;
2864 63915ee5 2022-06-23 thomas struct got_imsg_enumerated_tree *itree;
2865 63915ee5 2022-06-23 thomas struct got_object_id tree_id;
2866 63915ee5 2022-06-23 thomas char *path = NULL, *canon_path = NULL;
2867 63915ee5 2022-06-23 thomas size_t datalen, path_len;
2868 63915ee5 2022-06-23 thomas int nentries = -1;
2869 63915ee5 2022-06-23 thomas int done = 0;
2871 e71f1e62 2022-06-23 thomas *found_all_objects = 0;
2872 63915ee5 2022-06-23 thomas memset(&tree, 0, sizeof(tree));
2874 63915ee5 2022-06-23 thomas while (!done) {
2875 63915ee5 2022-06-23 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2876 63915ee5 2022-06-23 thomas if (err)
2879 63915ee5 2022-06-23 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2880 63915ee5 2022-06-23 thomas switch (imsg.hdr.type) {
2881 77402035 2022-06-23 thomas case GOT_IMSG_ENUMERATED_COMMIT:
2882 63915ee5 2022-06-23 thomas if (have_commit && nentries != -1) {
2883 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2886 63915ee5 2022-06-23 thomas if (datalen != sizeof(*icommit)) {
2887 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2890 63915ee5 2022-06-23 thomas icommit = (struct got_imsg_enumerated_commit *)imsg.data;
2891 63915ee5 2022-06-23 thomas memcpy(commit_id.sha1, icommit->id, SHA1_DIGEST_LENGTH);
2892 63915ee5 2022-06-23 thomas mtime = icommit->mtime;
2893 63915ee5 2022-06-23 thomas have_commit = 1;
2895 63915ee5 2022-06-23 thomas case GOT_IMSG_ENUMERATED_TREE:
2896 63915ee5 2022-06-23 thomas /* Should be preceeded by GOT_IMSG_ENUMERATED_COMMIT. */
2897 63915ee5 2022-06-23 thomas if (!have_commit) {
2898 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2901 63915ee5 2022-06-23 thomas if (datalen < sizeof(*itree)) {
2902 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2905 63915ee5 2022-06-23 thomas itree = imsg.data;
2906 63915ee5 2022-06-23 thomas path_len = datalen - sizeof(*itree);
2907 63915ee5 2022-06-23 thomas if (path_len == 0) {
2908 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2911 63915ee5 2022-06-23 thomas memcpy(tree_id.sha1, itree->id, sizeof(tree_id.sha1));
2912 63915ee5 2022-06-23 thomas free(path);
2913 fcbb06bf 2023-01-14 thomas path = strndup(imsg.data + sizeof(*itree), path_len);
2914 63915ee5 2022-06-23 thomas if (path == NULL) {
2915 fcbb06bf 2023-01-14 thomas err = got_error_from_errno("strndup");
2918 63915ee5 2022-06-23 thomas free(canon_path);
2919 63915ee5 2022-06-23 thomas canon_path = malloc(path_len + 1);
2920 63915ee5 2022-06-23 thomas if (canon_path == NULL) {
2921 63915ee5 2022-06-23 thomas err = got_error_from_errno("malloc");
2924 63915ee5 2022-06-23 thomas if (!got_path_is_absolute(path)) {
2925 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_BAD_PATH);
2928 63915ee5 2022-06-23 thomas if (got_path_is_root_dir(path)) {
2929 63915ee5 2022-06-23 thomas /* XXX check what got_canonpath() does wrong */
2930 63915ee5 2022-06-23 thomas canon_path[0] = '/';
2931 63915ee5 2022-06-23 thomas canon_path[1] = '\0';
2932 63915ee5 2022-06-23 thomas } else {
2933 63915ee5 2022-06-23 thomas err = got_canonpath(path, canon_path,
2934 63915ee5 2022-06-23 thomas path_len + 1);
2935 63915ee5 2022-06-23 thomas if (err)
2938 63915ee5 2022-06-23 thomas if (strcmp(path, canon_path) != 0) {
2939 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_BAD_PATH);
2942 63915ee5 2022-06-23 thomas if (nentries != -1) {
2943 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2946 63915ee5 2022-06-23 thomas if (itree->nentries < -1) {
2947 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2950 63915ee5 2022-06-23 thomas if (itree->nentries == -1) {
2951 63915ee5 2022-06-23 thomas /* Tree was not found in pack file. */
2952 63915ee5 2022-06-23 thomas err = cb_tree(cb_arg, NULL, mtime, &tree_id,
2953 63915ee5 2022-06-23 thomas path, repo);
2956 63915ee5 2022-06-23 thomas if (itree->nentries > INT_MAX) {
2957 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2960 63915ee5 2022-06-23 thomas tree.entries = calloc(itree->nentries,
2961 63915ee5 2022-06-23 thomas sizeof(struct got_tree_entry));
2962 63915ee5 2022-06-23 thomas if (tree.entries == NULL) {
2963 63915ee5 2022-06-23 thomas err = got_error_from_errno("calloc");
2966 63915ee5 2022-06-23 thomas if (itree->nentries == 0) {
2967 63915ee5 2022-06-23 thomas err = cb_tree(cb_arg, &tree, mtime, &tree_id,
2968 63915ee5 2022-06-23 thomas path, repo);
2969 63915ee5 2022-06-23 thomas if (err)
2972 63915ee5 2022-06-23 thomas /* Prepare for next tree. */
2973 63915ee5 2022-06-23 thomas free(tree.entries);
2974 63915ee5 2022-06-23 thomas memset(&tree, 0, sizeof(tree));
2975 63915ee5 2022-06-23 thomas nentries = -1;
2976 63915ee5 2022-06-23 thomas } else {
2977 63915ee5 2022-06-23 thomas tree.nentries = itree->nentries;
2978 63915ee5 2022-06-23 thomas nentries = 0;
2981 63915ee5 2022-06-23 thomas case GOT_IMSG_TREE_ENTRIES:
2982 63915ee5 2022-06-23 thomas /* Should be preceeded by GOT_IMSG_ENUMERATED_TREE. */
2983 63915ee5 2022-06-23 thomas if (nentries <= -1) {
2984 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2987 63915ee5 2022-06-23 thomas err = recv_tree_entries(imsg.data, datalen,
2988 63915ee5 2022-06-23 thomas &tree, &nentries);
2989 63915ee5 2022-06-23 thomas if (err)
2991 63915ee5 2022-06-23 thomas if (tree.nentries == nentries) {
2992 63915ee5 2022-06-23 thomas err = cb_tree(cb_arg, &tree, mtime, &tree_id,
2993 63915ee5 2022-06-23 thomas path, repo);
2994 63915ee5 2022-06-23 thomas if (err)
2997 63915ee5 2022-06-23 thomas /* Prepare for next tree. */
2998 63915ee5 2022-06-23 thomas free(tree.entries);
2999 63915ee5 2022-06-23 thomas memset(&tree, 0, sizeof(tree));
3000 63915ee5 2022-06-23 thomas nentries = -1;
3003 63915ee5 2022-06-23 thomas case GOT_IMSG_TREE_ENUMERATION_DONE:
3004 63915ee5 2022-06-23 thomas /* All trees have been found and traversed. */
3005 63915ee5 2022-06-23 thomas if (!have_commit || path == NULL || nentries != -1) {
3006 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3009 63915ee5 2022-06-23 thomas err = cb_commit(cb_arg, mtime, &commit_id, repo);
3010 63915ee5 2022-06-23 thomas if (err)
3012 63915ee5 2022-06-23 thomas have_commit = 0;
3014 63915ee5 2022-06-23 thomas case GOT_IMSG_OBJECT_ENUMERATION_DONE:
3015 e71f1e62 2022-06-23 thomas *found_all_objects = 1;
3016 e71f1e62 2022-06-23 thomas done = 1;
3018 e71f1e62 2022-06-23 thomas case GOT_IMSG_OBJECT_ENUMERATION_INCOMPLETE:
3019 63915ee5 2022-06-23 thomas done = 1;
3021 63915ee5 2022-06-23 thomas default:
3022 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3026 63915ee5 2022-06-23 thomas imsg_free(&imsg);
3027 63915ee5 2022-06-23 thomas if (err)
3031 63915ee5 2022-06-23 thomas free(path);
3032 63915ee5 2022-06-23 thomas free(canon_path);
3033 63915ee5 2022-06-23 thomas free(tree.entries);
3034 63915ee5 2022-06-23 thomas return err;
3037 63915ee5 2022-06-23 thomas const struct got_error *
3038 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta_req(struct imsgbuf *ibuf, int idx,
3039 f9c2e8e5 2022-02-13 thomas struct got_object_id *id)
3041 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta_request dreq;
3043 c26ee7ad 2022-06-23 thomas memset(&dreq, 0, sizeof(dreq));
3044 f9c2e8e5 2022-02-13 thomas dreq.idx = idx;
3045 d77295e3 2023-02-03 thomas memcpy(&dreq.id, id, sizeof(dreq.id));
3047 f9c2e8e5 2022-02-13 thomas if (imsg_compose(ibuf, GOT_IMSG_RAW_DELTA_REQUEST, 0, 0, -1,
3048 f9c2e8e5 2022-02-13 thomas &dreq, sizeof(dreq)) == -1)
3049 f9c2e8e5 2022-02-13 thomas return got_error_from_errno("imsg_compose RAW_DELTA_REQUEST");
3051 f9c2e8e5 2022-02-13 thomas return flush_imsg(ibuf);
3054 f9c2e8e5 2022-02-13 thomas const struct got_error *
3055 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta_outfd(struct imsgbuf *ibuf, int fd)
3057 f9c2e8e5 2022-02-13 thomas return send_fd(ibuf, GOT_IMSG_RAW_DELTA_OUTFD, fd);
3060 f9c2e8e5 2022-02-13 thomas const struct got_error *
3061 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta(struct imsgbuf *ibuf, uint64_t base_size,
3062 9249e7e3 2022-05-12 thomas uint64_t result_size, off_t delta_size, off_t delta_compressed_size,
3063 9249e7e3 2022-05-12 thomas off_t delta_offset, off_t delta_out_offset, struct got_object_id *base_id)
3065 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta idelta;
3066 f9c2e8e5 2022-02-13 thomas int ret;
3068 c26ee7ad 2022-06-23 thomas memset(&idelta, 0, sizeof(idelta));
3069 f9c2e8e5 2022-02-13 thomas idelta.base_size = base_size;
3070 f9c2e8e5 2022-02-13 thomas idelta.result_size = result_size;
3071 f9c2e8e5 2022-02-13 thomas idelta.delta_size = delta_size;
3072 9249e7e3 2022-05-12 thomas idelta.delta_compressed_size = delta_compressed_size;
3073 f9c2e8e5 2022-02-13 thomas idelta.delta_offset = delta_offset;
3074 f9c2e8e5 2022-02-13 thomas idelta.delta_out_offset = delta_out_offset;
3075 564a8b01 2023-02-03 thomas memcpy(&idelta.base_id, &base_id, sizeof(idelta.base_id));
3077 f9c2e8e5 2022-02-13 thomas ret = imsg_compose(ibuf, GOT_IMSG_RAW_DELTA, 0, 0, -1,
3078 f9c2e8e5 2022-02-13 thomas &idelta, sizeof(idelta));
3079 f9c2e8e5 2022-02-13 thomas if (ret == -1)
3080 f9c2e8e5 2022-02-13 thomas return got_error_from_errno("imsg_compose RAW_DELTA");
3082 f9c2e8e5 2022-02-13 thomas return flush_imsg(ibuf);
3085 ca6e02ac 2020-01-07 stsp const struct got_error *
3086 f9c2e8e5 2022-02-13 thomas got_privsep_recv_raw_delta(uint64_t *base_size, uint64_t *result_size,
3087 9249e7e3 2022-05-12 thomas off_t *delta_size, off_t *delta_compressed_size, off_t *delta_offset,
3088 dd57e4ab 2023-02-03 thomas off_t *delta_out_offset, struct got_object_id **base_id,
3089 dd57e4ab 2023-02-03 thomas struct imsgbuf *ibuf)
3091 f9c2e8e5 2022-02-13 thomas const struct got_error *err = NULL;
3092 f9c2e8e5 2022-02-13 thomas struct imsg imsg;
3093 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta *delta;
3094 f9c2e8e5 2022-02-13 thomas size_t datalen;
3096 f9c2e8e5 2022-02-13 thomas *base_size = 0;
3097 f9c2e8e5 2022-02-13 thomas *result_size = 0;
3098 f9c2e8e5 2022-02-13 thomas *delta_size = 0;
3099 9249e7e3 2022-05-12 thomas *delta_compressed_size = 0;
3100 f9c2e8e5 2022-02-13 thomas *delta_offset = 0;
3101 f9c2e8e5 2022-02-13 thomas *delta_out_offset = 0;
3102 f9c2e8e5 2022-02-13 thomas *base_id = NULL;
3104 f9c2e8e5 2022-02-13 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3105 f9c2e8e5 2022-02-13 thomas if (err)
3106 f9c2e8e5 2022-02-13 thomas return err;
3108 f9c2e8e5 2022-02-13 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3110 f9c2e8e5 2022-02-13 thomas switch (imsg.hdr.type) {
3111 f9c2e8e5 2022-02-13 thomas case GOT_IMSG_RAW_DELTA:
3112 f9c2e8e5 2022-02-13 thomas if (datalen != sizeof(*delta)) {
3113 f9c2e8e5 2022-02-13 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3116 f9c2e8e5 2022-02-13 thomas delta = imsg.data;
3117 f9c2e8e5 2022-02-13 thomas *base_size = delta->base_size;
3118 f9c2e8e5 2022-02-13 thomas *result_size = delta->result_size;
3119 f9c2e8e5 2022-02-13 thomas *delta_size = delta->delta_size;
3120 9249e7e3 2022-05-12 thomas *delta_compressed_size = delta->delta_compressed_size;
3121 f9c2e8e5 2022-02-13 thomas *delta_offset = delta->delta_offset;
3122 f9c2e8e5 2022-02-13 thomas *delta_out_offset = delta->delta_out_offset;
3123 f9c2e8e5 2022-02-13 thomas *base_id = calloc(1, sizeof(**base_id));
3124 f9c2e8e5 2022-02-13 thomas if (*base_id == NULL) {
3125 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("malloc");
3128 564a8b01 2023-02-03 thomas memcpy(*base_id, &delta->base_id, sizeof(**base_id));
3130 f9c2e8e5 2022-02-13 thomas default:
3131 f9c2e8e5 2022-02-13 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3135 f9c2e8e5 2022-02-13 thomas imsg_free(&imsg);
3137 f9c2e8e5 2022-02-13 thomas if (err) {
3138 f9c2e8e5 2022-02-13 thomas free(*base_id);
3139 f9c2e8e5 2022-02-13 thomas *base_id = NULL;
3141 7d0d4920 2022-05-12 thomas return err;
3144 63915ee5 2022-06-23 thomas static const struct got_error *
3145 63915ee5 2022-06-23 thomas send_idlist(struct imsgbuf *ibuf, struct got_object_id **ids, size_t nids)
3147 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3148 7d0d4920 2022-05-12 thomas struct got_imsg_object_idlist idlist;
3149 7d0d4920 2022-05-12 thomas struct ibuf *wbuf;
3150 7d0d4920 2022-05-12 thomas size_t i;
3152 c26ee7ad 2022-06-23 thomas memset(&idlist, 0, sizeof(idlist));
3154 7d0d4920 2022-05-12 thomas if (nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS)
3155 7d0d4920 2022-05-12 thomas return got_error(GOT_ERR_NO_SPACE);
3157 7d0d4920 2022-05-12 thomas wbuf = imsg_create(ibuf, GOT_IMSG_OBJ_ID_LIST, 0, 0,
3158 7d0d4920 2022-05-12 thomas sizeof(idlist) + nids * sizeof(**ids));
3159 7d0d4920 2022-05-12 thomas if (wbuf == NULL) {
3160 7d0d4920 2022-05-12 thomas err = got_error_from_errno("imsg_create OBJ_ID_LIST");
3161 7d0d4920 2022-05-12 thomas return err;
3164 7d0d4920 2022-05-12 thomas idlist.nids = nids;
3165 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &idlist, sizeof(idlist)) == -1)
3166 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add OBJ_ID_LIST");
3168 7d0d4920 2022-05-12 thomas for (i = 0; i < nids; i++) {
3169 7d0d4920 2022-05-12 thomas struct got_object_id *id = ids[i];
3170 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, id, sizeof(*id)) == -1)
3171 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add OBJ_ID_LIST");
3174 7d0d4920 2022-05-12 thomas wbuf->fd = -1;
3175 7d0d4920 2022-05-12 thomas imsg_close(ibuf, wbuf);
3177 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3180 7d0d4920 2022-05-12 thomas const struct got_error *
3181 63915ee5 2022-06-23 thomas got_privsep_send_object_idlist(struct imsgbuf *ibuf,
3182 63915ee5 2022-06-23 thomas struct got_object_id **ids, size_t nids)
3184 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
3185 63915ee5 2022-06-23 thomas struct got_object_id *idlist[GOT_IMSG_OBJ_ID_LIST_MAX_NIDS];
3186 ef53e23c 2022-06-23 thomas int i, queued = 0;
3188 77402035 2022-06-23 thomas for (i = 0; i < nids; i++) {
3189 ef53e23c 2022-06-23 thomas idlist[i % nitems(idlist)] = ids[i];
3190 ef53e23c 2022-06-23 thomas queued++;
3191 8f3ec65d 2022-06-23 thomas if (queued >= nitems(idlist)) {
3192 ef53e23c 2022-06-23 thomas err = send_idlist(ibuf, idlist, queued);
3193 63915ee5 2022-06-23 thomas if (err)
3194 63915ee5 2022-06-23 thomas return err;
3195 ef53e23c 2022-06-23 thomas queued = 0;
3199 ef53e23c 2022-06-23 thomas if (queued > 0) {
3200 ef53e23c 2022-06-23 thomas err = send_idlist(ibuf, idlist, queued);
3201 63915ee5 2022-06-23 thomas if (err)
3202 63915ee5 2022-06-23 thomas return err;
3205 63915ee5 2022-06-23 thomas return NULL;
3208 63915ee5 2022-06-23 thomas const struct got_error *
3209 7d0d4920 2022-05-12 thomas got_privsep_send_object_idlist_done(struct imsgbuf *ibuf)
3211 7d0d4920 2022-05-12 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJ_ID_LIST_DONE, 0, 0, -1, NULL, 0)
3213 7d0d4920 2022-05-12 thomas return got_error_from_errno("imsg_compose OBJ_ID_LIST_DONE");
3215 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3218 7d0d4920 2022-05-12 thomas const struct got_error *
3219 7d0d4920 2022-05-12 thomas got_privsep_recv_object_idlist(int *done, struct got_object_id **ids,
3220 7d0d4920 2022-05-12 thomas size_t *nids, struct imsgbuf *ibuf)
3222 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3223 7d0d4920 2022-05-12 thomas struct imsg imsg;
3224 7d0d4920 2022-05-12 thomas struct got_imsg_object_idlist *idlist;
3225 7d0d4920 2022-05-12 thomas size_t datalen;
3227 7d0d4920 2022-05-12 thomas *ids = NULL;
3228 7d0d4920 2022-05-12 thomas *done = 0;
3229 7d0d4920 2022-05-12 thomas *nids = 0;
3231 7d0d4920 2022-05-12 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3232 7d0d4920 2022-05-12 thomas if (err)
3233 7d0d4920 2022-05-12 thomas return err;
3235 7d0d4920 2022-05-12 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3236 7d0d4920 2022-05-12 thomas switch (imsg.hdr.type) {
3237 7d0d4920 2022-05-12 thomas case GOT_IMSG_OBJ_ID_LIST:
3238 7d0d4920 2022-05-12 thomas if (datalen < sizeof(*idlist)) {
3239 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3242 7d0d4920 2022-05-12 thomas idlist = imsg.data;
3243 31d32634 2022-06-23 thomas if (idlist->nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS ||
3244 31d32634 2022-06-23 thomas idlist->nids * sizeof(**ids) > datalen - sizeof(*idlist)) {
3245 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3248 7d0d4920 2022-05-12 thomas *nids = idlist->nids;
3249 7d0d4920 2022-05-12 thomas *ids = calloc(*nids, sizeof(**ids));
3250 7d0d4920 2022-05-12 thomas if (*ids == NULL) {
3251 7d0d4920 2022-05-12 thomas err = got_error_from_errno("calloc");
3254 623d55de 2022-06-23 thomas memcpy(*ids, (uint8_t *)imsg.data + sizeof(*idlist),
3255 7d0d4920 2022-05-12 thomas *nids * sizeof(**ids));
3257 7d0d4920 2022-05-12 thomas case GOT_IMSG_OBJ_ID_LIST_DONE:
3258 7d0d4920 2022-05-12 thomas *done = 1;
3260 7d0d4920 2022-05-12 thomas default:
3261 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3265 7d0d4920 2022-05-12 thomas imsg_free(&imsg);
3267 7d0d4920 2022-05-12 thomas return err;
3270 7d0d4920 2022-05-12 thomas const struct got_error *
3271 7d0d4920 2022-05-12 thomas got_privsep_send_delta_reuse_req(struct imsgbuf *ibuf)
3273 7d0d4920 2022-05-12 thomas if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_REQUEST, 0, 0, -1, NULL, 0)
3275 7d0d4920 2022-05-12 thomas return got_error_from_errno("imsg_compose DELTA_REUSE_REQUEST");
3277 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3280 7d0d4920 2022-05-12 thomas const struct got_error *
3281 7d0d4920 2022-05-12 thomas got_privsep_send_reused_deltas(struct imsgbuf *ibuf,
3282 7d0d4920 2022-05-12 thomas struct got_imsg_reused_delta *deltas, size_t ndeltas)
3284 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3285 7d0d4920 2022-05-12 thomas struct ibuf *wbuf;
3286 7d0d4920 2022-05-12 thomas struct got_imsg_reused_deltas ideltas;
3287 7d0d4920 2022-05-12 thomas size_t i;
3289 c26ee7ad 2022-06-23 thomas memset(&ideltas, 0, sizeof(ideltas));
3291 7d0d4920 2022-05-12 thomas if (ndeltas > GOT_IMSG_REUSED_DELTAS_MAX_NDELTAS)
3292 7d0d4920 2022-05-12 thomas return got_error(GOT_ERR_NO_SPACE);
3294 7d0d4920 2022-05-12 thomas wbuf = imsg_create(ibuf, GOT_IMSG_REUSED_DELTAS, 0, 0,
3295 7d0d4920 2022-05-12 thomas sizeof(ideltas) + ndeltas * sizeof(*deltas));
3296 7d0d4920 2022-05-12 thomas if (wbuf == NULL) {
3297 7d0d4920 2022-05-12 thomas err = got_error_from_errno("imsg_create REUSED_DELTAS");
3298 7d0d4920 2022-05-12 thomas return err;
3301 7d0d4920 2022-05-12 thomas ideltas.ndeltas = ndeltas;
3302 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &ideltas, sizeof(ideltas)) == -1)
3303 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add REUSED_DELTAS");
3305 7d0d4920 2022-05-12 thomas for (i = 0; i < ndeltas; i++) {
3306 7d0d4920 2022-05-12 thomas struct got_imsg_reused_delta *delta = &deltas[i];
3307 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, delta, sizeof(*delta)) == -1)
3308 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add REUSED_DELTAS");
3311 7d0d4920 2022-05-12 thomas wbuf->fd = -1;
3312 7d0d4920 2022-05-12 thomas imsg_close(ibuf, wbuf);
3314 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3317 7d0d4920 2022-05-12 thomas const struct got_error *
3318 7d0d4920 2022-05-12 thomas got_privsep_send_reused_deltas_done(struct imsgbuf *ibuf)
3320 7d0d4920 2022-05-12 thomas if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_DONE, 0, 0, -1, NULL, 0)
3322 7d0d4920 2022-05-12 thomas return got_error_from_errno("imsg_compose DELTA_REUSE_DONE");
3324 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3327 7d0d4920 2022-05-12 thomas const struct got_error *
3328 7d0d4920 2022-05-12 thomas got_privsep_recv_reused_deltas(int *done, struct got_imsg_reused_delta *deltas,
3329 7d0d4920 2022-05-12 thomas size_t *ndeltas, struct imsgbuf *ibuf)
3331 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3332 7d0d4920 2022-05-12 thomas struct imsg imsg;
3333 7d0d4920 2022-05-12 thomas struct got_imsg_reused_deltas *ideltas;
3334 7d0d4920 2022-05-12 thomas size_t datalen;
3336 7d0d4920 2022-05-12 thomas *done = 0;
3337 7d0d4920 2022-05-12 thomas *ndeltas = 0;
3339 7d0d4920 2022-05-12 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3340 7d0d4920 2022-05-12 thomas if (err)
3341 7d0d4920 2022-05-12 thomas return err;
3343 7d0d4920 2022-05-12 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3344 7d0d4920 2022-05-12 thomas switch (imsg.hdr.type) {
3345 7d0d4920 2022-05-12 thomas case GOT_IMSG_REUSED_DELTAS:
3346 7d0d4920 2022-05-12 thomas if (datalen < sizeof(*ideltas)) {
3347 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3350 7d0d4920 2022-05-12 thomas ideltas = imsg.data;
3351 31d32634 2022-06-23 thomas if (ideltas->ndeltas > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS ||
3352 31d32634 2022-06-23 thomas ideltas->ndeltas * sizeof(*deltas) >
3353 31d32634 2022-06-23 thomas datalen - sizeof(*ideltas)) {
3354 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3357 7d0d4920 2022-05-12 thomas *ndeltas = ideltas->ndeltas;
3358 623d55de 2022-06-23 thomas memcpy(deltas, (uint8_t *)imsg.data + sizeof(*ideltas),
3359 7d0d4920 2022-05-12 thomas *ndeltas * sizeof(*deltas));
3361 7d0d4920 2022-05-12 thomas case GOT_IMSG_DELTA_REUSE_DONE:
3362 7d0d4920 2022-05-12 thomas *done = 1;
3364 7d0d4920 2022-05-12 thomas default:
3365 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3369 7d0d4920 2022-05-12 thomas imsg_free(&imsg);
3371 ec2b23c5 2022-07-01 thomas return err;
3374 ec2b23c5 2022-07-01 thomas const struct got_error *
3375 ec2b23c5 2022-07-01 thomas got_privsep_init_commit_painting(struct imsgbuf *ibuf)
3377 ec2b23c5 2022-07-01 thomas if (imsg_compose(ibuf, GOT_IMSG_COMMIT_PAINTING_INIT,
3378 ec2b23c5 2022-07-01 thomas 0, 0, -1, NULL, 0)
3380 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_compose "
3381 ec2b23c5 2022-07-01 thomas "COMMIT_PAINTING_INIT");
3383 ec2b23c5 2022-07-01 thomas return flush_imsg(ibuf);
3386 ec2b23c5 2022-07-01 thomas const struct got_error *
3387 ec2b23c5 2022-07-01 thomas got_privsep_send_painting_request(struct imsgbuf *ibuf, int idx,
3388 ec2b23c5 2022-07-01 thomas struct got_object_id *id, intptr_t color)
3390 ec2b23c5 2022-07-01 thomas struct got_imsg_commit_painting_request ireq;
3392 ec2b23c5 2022-07-01 thomas memset(&ireq, 0, sizeof(ireq));
3393 35cdfa2c 2023-02-20 thomas memcpy(&ireq.id, id, sizeof(ireq.id));
3394 ec2b23c5 2022-07-01 thomas ireq.idx = idx;
3395 ec2b23c5 2022-07-01 thomas ireq.color = color;
3397 ec2b23c5 2022-07-01 thomas if (imsg_compose(ibuf, GOT_IMSG_COMMIT_PAINTING_REQUEST, 0, 0, -1,
3398 ec2b23c5 2022-07-01 thomas &ireq, sizeof(ireq)) == -1)
3399 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_compose "
3400 ec2b23c5 2022-07-01 thomas "COMMIT_PAINTING_REQUEST");
3402 ec2b23c5 2022-07-01 thomas return flush_imsg(ibuf);
3405 ec2b23c5 2022-07-01 thomas static const struct got_error *
3406 ec2b23c5 2022-07-01 thomas send_painted_commits(struct got_object_id_queue *ids, int *nids,
3407 ec2b23c5 2022-07-01 thomas size_t remain, int present_in_pack, struct imsgbuf *ibuf)
3409 ec2b23c5 2022-07-01 thomas const struct got_error *err = NULL;
3410 ec2b23c5 2022-07-01 thomas struct ibuf *wbuf = NULL;
3411 ec2b23c5 2022-07-01 thomas struct got_object_qid *qid;
3412 ec2b23c5 2022-07-01 thomas size_t msglen;
3413 ec2b23c5 2022-07-01 thomas int ncommits;
3414 ec2b23c5 2022-07-01 thomas intptr_t color;
3416 ec2b23c5 2022-07-01 thomas msglen = MIN(remain, MAX_IMSGSIZE - IMSG_HEADER_SIZE);
3417 ec2b23c5 2022-07-01 thomas ncommits = (msglen - sizeof(struct got_imsg_painted_commits)) /
3418 ec2b23c5 2022-07-01 thomas sizeof(struct got_imsg_painted_commit);
3420 ec2b23c5 2022-07-01 thomas wbuf = imsg_create(ibuf, GOT_IMSG_PAINTED_COMMITS, 0, 0, msglen);
3421 ec2b23c5 2022-07-01 thomas if (wbuf == NULL) {
3422 ec2b23c5 2022-07-01 thomas err = got_error_from_errno("imsg_create PAINTED_COMMITS");
3423 ec2b23c5 2022-07-01 thomas return err;
3426 ec2b23c5 2022-07-01 thomas /* Keep in sync with struct got_imsg_painted_commits! */
3427 ec2b23c5 2022-07-01 thomas if (imsg_add(wbuf, &ncommits, sizeof(ncommits)) == -1)
3428 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_add PAINTED_COMMITS");
3429 ec2b23c5 2022-07-01 thomas if (imsg_add(wbuf, &present_in_pack, sizeof(present_in_pack)) == -1)
3430 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_add PAINTED_COMMITS");
3432 ec2b23c5 2022-07-01 thomas while (ncommits > 0) {
3433 ec2b23c5 2022-07-01 thomas qid = STAILQ_FIRST(ids);
3434 ec2b23c5 2022-07-01 thomas STAILQ_REMOVE_HEAD(ids, entry);
3435 ec2b23c5 2022-07-01 thomas ncommits--;
3436 ec2b23c5 2022-07-01 thomas (*nids)--;
3437 ec2b23c5 2022-07-01 thomas color = (intptr_t)qid->data;
3439 ec2b23c5 2022-07-01 thomas /* Keep in sync with struct got_imsg_painted_commit! */
3440 ec2b23c5 2022-07-01 thomas if (imsg_add(wbuf, qid->id.sha1, SHA1_DIGEST_LENGTH) == -1)
3441 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_add PAINTED_COMMITS");
3442 ec2b23c5 2022-07-01 thomas if (imsg_add(wbuf, &color, sizeof(color)) == -1)
3443 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_add PAINTED_COMMITS");
3445 ec2b23c5 2022-07-01 thomas got_object_qid_free(qid);
3448 ec2b23c5 2022-07-01 thomas wbuf->fd = -1;
3449 ec2b23c5 2022-07-01 thomas imsg_close(ibuf, wbuf);
3451 ec2b23c5 2022-07-01 thomas return flush_imsg(ibuf);
3454 ec2b23c5 2022-07-01 thomas const struct got_error *
3455 ec2b23c5 2022-07-01 thomas got_privsep_send_painted_commits(struct imsgbuf *ibuf,
3456 ec2b23c5 2022-07-01 thomas struct got_object_id_queue *ids, int *nids,
3457 ec2b23c5 2022-07-01 thomas int present_in_pack, int flush)
3459 ec2b23c5 2022-07-01 thomas const struct got_error *err;
3460 ec2b23c5 2022-07-01 thomas size_t remain;
3462 ec2b23c5 2022-07-01 thomas if (*nids <= 0)
3463 ec2b23c5 2022-07-01 thomas return NULL;
3466 ec2b23c5 2022-07-01 thomas remain = (sizeof(struct got_imsg_painted_commits)) +
3467 ec2b23c5 2022-07-01 thomas *nids * sizeof(struct got_imsg_painted_commit);
3468 ec2b23c5 2022-07-01 thomas if (flush || remain >= MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
3469 ec2b23c5 2022-07-01 thomas err = send_painted_commits(ids, nids, remain,
3470 ec2b23c5 2022-07-01 thomas present_in_pack, ibuf);
3471 ec2b23c5 2022-07-01 thomas if (err)
3472 ec2b23c5 2022-07-01 thomas return err;
3474 ec2b23c5 2022-07-01 thomas } while (flush && *nids > 0);
3476 ec2b23c5 2022-07-01 thomas return NULL;
3479 ec2b23c5 2022-07-01 thomas const struct got_error *
3480 ec2b23c5 2022-07-01 thomas got_privsep_send_painting_commits_done(struct imsgbuf *ibuf)
3482 ec2b23c5 2022-07-01 thomas if (imsg_compose(ibuf, GOT_IMSG_COMMIT_PAINTING_DONE,
3483 ec2b23c5 2022-07-01 thomas 0, 0, -1, NULL, 0)
3485 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_compose "
3486 ec2b23c5 2022-07-01 thomas "COMMIT_PAINTING_DONE");
3488 ec2b23c5 2022-07-01 thomas return flush_imsg(ibuf);
3491 ec2b23c5 2022-07-01 thomas const struct got_error *
3492 ec2b23c5 2022-07-01 thomas got_privsep_recv_painted_commits(struct got_object_id_queue *new_ids,
3493 ec2b23c5 2022-07-01 thomas got_privsep_recv_painted_commit_cb cb, void *cb_arg, struct imsgbuf *ibuf)
3495 ec2b23c5 2022-07-01 thomas const struct got_error *err = NULL;
3496 ec2b23c5 2022-07-01 thomas struct imsg imsg;
3497 ec2b23c5 2022-07-01 thomas struct got_imsg_painted_commits icommits;
3498 ec2b23c5 2022-07-01 thomas struct got_imsg_painted_commit icommit;
3499 ec2b23c5 2022-07-01 thomas size_t datalen;
3502 ec2b23c5 2022-07-01 thomas for (;;) {
3503 ec2b23c5 2022-07-01 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3504 ec2b23c5 2022-07-01 thomas if (err)
3505 ec2b23c5 2022-07-01 thomas return err;
3507 ec2b23c5 2022-07-01 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3508 ec2b23c5 2022-07-01 thomas if (imsg.hdr.type == GOT_IMSG_COMMIT_PAINTING_DONE)
3510 ec2b23c5 2022-07-01 thomas if (imsg.hdr.type != GOT_IMSG_PAINTED_COMMITS)
3511 ec2b23c5 2022-07-01 thomas return got_error(GOT_ERR_PRIVSEP_MSG);
3513 ec2b23c5 2022-07-01 thomas if (datalen < sizeof(icommits))
3514 ec2b23c5 2022-07-01 thomas return got_error(GOT_ERR_PRIVSEP_LEN);
3515 ec2b23c5 2022-07-01 thomas memcpy(&icommits, imsg.data, sizeof(icommits));
3516 ec2b23c5 2022-07-01 thomas if (icommits.ncommits * sizeof(icommit) < icommits.ncommits ||
3517 ec2b23c5 2022-07-01 thomas datalen < sizeof(icommits) +
3518 ec2b23c5 2022-07-01 thomas icommits.ncommits * sizeof(icommit))
3519 ec2b23c5 2022-07-01 thomas return got_error(GOT_ERR_PRIVSEP_LEN);
3521 ec2b23c5 2022-07-01 thomas for (i = 0; i < icommits.ncommits; i++) {
3522 ec2b23c5 2022-07-01 thomas memcpy(&icommit,
3523 ec2b23c5 2022-07-01 thomas (uint8_t *)imsg.data + sizeof(icommits) + i * sizeof(icommit),
3524 ec2b23c5 2022-07-01 thomas sizeof(icommit));
3526 ec2b23c5 2022-07-01 thomas if (icommits.present_in_pack) {
3527 ec2b23c5 2022-07-01 thomas struct got_object_id id;
3528 ec2b23c5 2022-07-01 thomas memcpy(id.sha1, icommit.id, SHA1_DIGEST_LENGTH);
3529 ec2b23c5 2022-07-01 thomas err = cb(cb_arg, &id, icommit.color);
3530 ec2b23c5 2022-07-01 thomas if (err)
3532 ec2b23c5 2022-07-01 thomas } else {
3533 ec2b23c5 2022-07-01 thomas struct got_object_qid *qid;
3534 ec2b23c5 2022-07-01 thomas err = got_object_qid_alloc_partial(&qid);
3535 ec2b23c5 2022-07-01 thomas if (err)
3537 ec2b23c5 2022-07-01 thomas memcpy(qid->id.sha1, icommit.id,
3538 ec2b23c5 2022-07-01 thomas SHA1_DIGEST_LENGTH);
3539 ec2b23c5 2022-07-01 thomas qid->data = (void *)icommit.color;
3540 ec2b23c5 2022-07-01 thomas STAILQ_INSERT_TAIL(new_ids, qid, entry);
3544 ec2b23c5 2022-07-01 thomas imsg_free(&imsg);
3547 f9c2e8e5 2022-02-13 thomas return err;
3550 f9c2e8e5 2022-02-13 thomas const struct got_error *
3551 63219cd2 2019-01-04 stsp got_privsep_unveil_exec_helpers(void)
3553 c39c25dd 2019-08-09 stsp const char *helpers[] = {
3554 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_PACK,
3555 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_OBJECT,
3556 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_COMMIT,
3557 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TREE,
3558 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_BLOB,
3559 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TAG,
3560 aba9c984 2019-09-08 stsp GOT_PATH_PROG_READ_GITCONFIG,
3561 257add31 2020-09-09 stsp GOT_PATH_PROG_READ_GOTCONFIG,
3562 069bbb86 2022-03-07 thomas GOT_PATH_PROG_READ_PATCH,
3563 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_FETCH_PACK,
3564 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_INDEX_PACK,
3565 f8a36e22 2021-08-26 stsp GOT_PATH_PROG_SEND_PACK,
3569 c39c25dd 2019-08-09 stsp for (i = 0; i < nitems(helpers); i++) {
3570 c39c25dd 2019-08-09 stsp if (unveil(helpers[i], "x") == 0)
3572 c39c25dd 2019-08-09 stsp return got_error_from_errno2("unveil", helpers[i]);
3575 63219cd2 2019-01-04 stsp return NULL;
3579 aba9c984 2019-09-08 stsp got_privsep_exec_child(int imsg_fds[2], const char *path, const char *repo_path)
3581 08578a35 2021-01-22 stsp if (close(imsg_fds[0]) == -1) {
3582 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3586 aba9c984 2019-09-08 stsp if (dup2(imsg_fds[1], GOT_IMSG_FD_CHILD) == -1) {
3587 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3591 ce95518e 2021-12-10 thomas closefrom(GOT_IMSG_FD_CHILD + 1);
3593 aba9c984 2019-09-08 stsp if (execl(path, path, repo_path, (char *)NULL) == -1) {
3594 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s: %s\n", getprogname(), path,
3595 aba9c984 2019-09-08 stsp strerror(errno));
