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 2178c42e 2018-04-22 stsp #include <sys/uio.h>
20 876c234b 2018-09-10 stsp #include <sys/wait.h>
22 531c3985 2020-03-18 stsp #include <ctype.h>
23 23c57b28 2020-09-11 naddy #include <limits.h>
24 a486b62b 2021-05-18 stsp #include <signal.h>
25 2178c42e 2018-04-22 stsp #include <stdio.h>
26 2178c42e 2018-04-22 stsp #include <stdlib.h>
27 2178c42e 2018-04-22 stsp #include <string.h>
28 2178c42e 2018-04-22 stsp #include <errno.h>
29 2178c42e 2018-04-22 stsp #include <stdint.h>
30 2178c42e 2018-04-22 stsp #include <poll.h>
31 81a12da5 2020-09-09 naddy #include <unistd.h>
32 2178c42e 2018-04-22 stsp #include <zlib.h>
33 788c352e 2018-06-16 stsp #include <time.h>
35 dd038bc6 2021-09-21 thomas.ad #include "got_compat.h"
37 2178c42e 2018-04-22 stsp #include "got_object.h"
38 2178c42e 2018-04-22 stsp #include "got_error.h"
39 3022d272 2019-11-14 stsp #include "got_path.h"
40 cd95becd 2019-11-29 stsp #include "got_repository.h"
42 2178c42e 2018-04-22 stsp #include "got_lib_sha1.h"
43 2178c42e 2018-04-22 stsp #include "got_lib_delta.h"
44 63581804 2018-07-09 stsp #include "got_lib_inflate.h"
45 2178c42e 2018-04-22 stsp #include "got_lib_object.h"
46 a440fac0 2018-09-06 stsp #include "got_lib_object_parse.h"
47 2178c42e 2018-04-22 stsp #include "got_lib_privsep.h"
48 876c234b 2018-09-10 stsp #include "got_lib_pack.h"
50 ef20f542 2022-06-26 thomas #include "got_privsep.h"
53 2178c42e 2018-04-22 stsp #define MIN(_a,_b) ((_a) < (_b) ? (_a) : (_b))
56 c39c25dd 2019-08-09 stsp #ifndef nitems
57 c39c25dd 2019-08-09 stsp #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
60 2178c42e 2018-04-22 stsp static const struct got_error *
61 2178c42e 2018-04-22 stsp poll_fd(int fd, int events, int timeout)
63 2178c42e 2018-04-22 stsp struct pollfd pfd[1];
64 a486b62b 2021-05-18 stsp struct timespec ts;
65 a486b62b 2021-05-18 stsp sigset_t sigset;
68 2178c42e 2018-04-22 stsp pfd[0].fd = fd;
69 2178c42e 2018-04-22 stsp pfd[0].events = events;
71 a486b62b 2021-05-18 stsp ts.tv_sec = timeout;
72 a486b62b 2021-05-18 stsp ts.tv_nsec = 0;
74 a486b62b 2021-05-18 stsp if (sigemptyset(&sigset) == -1)
75 a486b62b 2021-05-18 stsp return got_error_from_errno("sigemptyset");
76 a486b62b 2021-05-18 stsp if (sigaddset(&sigset, SIGWINCH) == -1)
77 a486b62b 2021-05-18 stsp return got_error_from_errno("sigaddset");
79 a486b62b 2021-05-18 stsp n = ppoll(pfd, 1, timeout == INFTIM ? NULL : &ts, &sigset);
80 2178c42e 2018-04-22 stsp if (n == -1)
81 932dbee7 2021-05-19 stsp return got_error_from_errno("ppoll");
83 2178c42e 2018-04-22 stsp return got_error(GOT_ERR_TIMEOUT);
84 2178c42e 2018-04-22 stsp if (pfd[0].revents & (POLLERR | POLLNVAL))
85 638f9024 2019-05-13 stsp return got_error_from_errno("poll error");
86 2178c42e 2018-04-22 stsp if (pfd[0].revents & (events | POLLHUP))
87 2178c42e 2018-04-22 stsp return NULL;
89 2178c42e 2018-04-22 stsp return got_error(GOT_ERR_INTERRUPT);
92 c4eae628 2018-04-23 stsp static const struct got_error *
93 e033d803 2018-04-23 stsp read_imsg(struct imsgbuf *ibuf)
95 fe36cf76 2018-04-23 stsp const struct got_error *err;
98 ff470224 2022-05-19 thomas err = poll_fd(ibuf->fd, POLLIN, INFTIM);
100 ff470224 2022-05-19 thomas return err;
102 fe36cf76 2018-04-23 stsp n = imsg_read(ibuf);
103 fe36cf76 2018-04-23 stsp if (n == -1) {
104 fe36cf76 2018-04-23 stsp if (errno == EAGAIN) /* Could be a file-descriptor leak. */
105 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_NO_FD);
106 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_READ);
108 fe36cf76 2018-04-23 stsp if (n == 0)
109 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_PIPE);
111 e033d803 2018-04-23 stsp return NULL;
114 ad242220 2018-09-08 stsp const struct got_error *
115 876c234b 2018-09-10 stsp got_privsep_wait_for_child(pid_t pid)
117 876c234b 2018-09-10 stsp int child_status;
119 2cb49fa8 2019-05-10 stsp if (waitpid(pid, &child_status, 0) == -1)
120 638f9024 2019-05-13 stsp return got_error_from_errno("waitpid");
122 876c234b 2018-09-10 stsp if (!WIFEXITED(child_status))
123 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_DIED);
125 876c234b 2018-09-10 stsp if (WEXITSTATUS(child_status) != 0)
126 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_EXIT);
128 876c234b 2018-09-10 stsp return NULL;
131 73b7854a 2018-11-11 stsp static const struct got_error *
132 73b7854a 2018-11-11 stsp recv_imsg_error(struct imsg *imsg, size_t datalen)
134 73b7854a 2018-11-11 stsp struct got_imsg_error *ierr;
136 73b7854a 2018-11-11 stsp if (datalen != sizeof(*ierr))
137 73b7854a 2018-11-11 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
139 73b7854a 2018-11-11 stsp ierr = imsg->data;
140 73b7854a 2018-11-11 stsp if (ierr->code == GOT_ERR_ERRNO) {
141 73b7854a 2018-11-11 stsp static struct got_error serr;
142 73b7854a 2018-11-11 stsp serr.code = GOT_ERR_ERRNO;
143 73b7854a 2018-11-11 stsp serr.msg = strerror(ierr->errno_code);
144 73b7854a 2018-11-11 stsp return &serr;
147 73b7854a 2018-11-11 stsp return got_error(ierr->code);
150 876c234b 2018-09-10 stsp const struct got_error *
151 46de5bfd 2018-11-11 stsp got_privsep_recv_imsg(struct imsg *imsg, struct imsgbuf *ibuf,
152 46de5bfd 2018-11-11 stsp size_t min_datalen)
154 e033d803 2018-04-23 stsp const struct got_error *err;
157 e033d803 2018-04-23 stsp n = imsg_get(ibuf, imsg);
158 876c234b 2018-09-10 stsp if (n == -1)
159 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_get");
161 876c234b 2018-09-10 stsp while (n == 0) {
162 876c234b 2018-09-10 stsp err = read_imsg(ibuf);
164 876c234b 2018-09-10 stsp return err;
165 876c234b 2018-09-10 stsp n = imsg_get(ibuf, imsg);
166 cbfaaf20 2020-01-06 stsp if (n == -1)
167 cbfaaf20 2020-01-06 stsp return got_error_from_errno("imsg_get");
170 fe36cf76 2018-04-23 stsp if (imsg->hdr.len < IMSG_HEADER_SIZE + min_datalen)
171 c4eae628 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
173 73b7854a 2018-11-11 stsp if (imsg->hdr.type == GOT_IMSG_ERROR) {
174 73b7854a 2018-11-11 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
175 73b7854a 2018-11-11 stsp return recv_imsg_error(imsg, datalen);
178 73b7854a 2018-11-11 stsp return NULL;
181 2178c42e 2018-04-22 stsp /* Attempt to send an error in an imsg. Complain on stderr as a last resort. */
183 2178c42e 2018-04-22 stsp got_privsep_send_error(struct imsgbuf *ibuf, const struct got_error *err)
185 2178c42e 2018-04-22 stsp const struct got_error *poll_err;
186 2178c42e 2018-04-22 stsp struct got_imsg_error ierr;
189 2178c42e 2018-04-22 stsp ierr.code = err->code;
190 2178c42e 2018-04-22 stsp if (err->code == GOT_ERR_ERRNO)
191 2178c42e 2018-04-22 stsp ierr.errno_code = errno;
193 2178c42e 2018-04-22 stsp ierr.errno_code = 0;
194 2178c42e 2018-04-22 stsp ret = imsg_compose(ibuf, GOT_IMSG_ERROR, 0, 0, -1, &ierr, sizeof(ierr));
195 e93cd828 2018-11-11 stsp if (ret == -1) {
196 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_compose: %s\n",
197 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
201 2178c42e 2018-04-22 stsp poll_err = poll_fd(ibuf->fd, POLLOUT, INFTIM);
202 5d43e84d 2018-04-23 stsp if (poll_err) {
203 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": poll: %s\n",
204 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, poll_err->msg);
208 2178c42e 2018-04-22 stsp ret = imsg_flush(ibuf);
209 5d43e84d 2018-04-23 stsp if (ret == -1) {
210 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_flush: %s\n",
211 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
212 e2752401 2022-02-16 thomas imsg_clear(ibuf);
217 e033d803 2018-04-23 stsp static const struct got_error *
218 e033d803 2018-04-23 stsp flush_imsg(struct imsgbuf *ibuf)
220 e033d803 2018-04-23 stsp const struct got_error *err;
222 e033d803 2018-04-23 stsp err = poll_fd(ibuf->fd, POLLOUT, INFTIM);
224 e033d803 2018-04-23 stsp return err;
226 e2752401 2022-02-16 thomas if (imsg_flush(ibuf) == -1) {
227 e2752401 2022-02-16 thomas imsg_clear(ibuf);
228 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_flush");
231 e033d803 2018-04-23 stsp return NULL;
234 ad242220 2018-09-08 stsp const struct got_error *
235 e70bf110 2020-03-22 stsp got_privsep_flush_imsg(struct imsgbuf *ibuf)
237 e70bf110 2020-03-22 stsp return flush_imsg(ibuf);
240 e70bf110 2020-03-22 stsp const struct got_error *
241 ad242220 2018-09-08 stsp got_privsep_send_stop(int fd)
243 ad242220 2018-09-08 stsp const struct got_error *err = NULL;
244 ad242220 2018-09-08 stsp struct imsgbuf ibuf;
246 ad242220 2018-09-08 stsp imsg_init(&ibuf, fd);
248 ad242220 2018-09-08 stsp if (imsg_compose(&ibuf, GOT_IMSG_STOP, 0, 0, -1, NULL, 0) == -1)
249 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose STOP");
251 ad242220 2018-09-08 stsp err = flush_imsg(&ibuf);
252 ad242220 2018-09-08 stsp return err;
255 93658fb9 2020-03-18 stsp const struct got_error *
256 d5c81d44 2021-07-08 stsp got_privsep_send_obj_req(struct imsgbuf *ibuf, int fd,
257 d5c81d44 2021-07-08 stsp struct got_object_id *id)
259 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT_REQUEST, 0, 0, fd,
260 d5c81d44 2021-07-08 stsp id, sizeof(*id)) == -1)
261 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT_REQUEST");
263 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
266 59d1e4a0 2021-03-10 stsp const struct got_error *
267 d5c81d44 2021-07-08 stsp got_privsep_send_raw_obj_req(struct imsgbuf *ibuf, int fd,
268 d5c81d44 2021-07-08 stsp struct got_object_id *id)
270 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_OBJECT_REQUEST, 0, 0, fd,
271 d5c81d44 2021-07-08 stsp id, sizeof(*id)) == -1)
272 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose RAW_OBJECT_REQUEST");
274 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
277 59d1e4a0 2021-03-10 stsp const struct got_error *
278 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj_outfd(struct imsgbuf *ibuf, int outfd)
280 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
282 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_OBJECT_OUTFD, 0, 0, outfd, NULL, 0)
284 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_compose RAW_OBJECT_OUTFD");
285 59d1e4a0 2021-03-10 stsp close(outfd);
286 59d1e4a0 2021-03-10 stsp return err;
289 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
292 59d1e4a0 2021-03-10 stsp const struct got_error *
293 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj(struct imsgbuf *ibuf, off_t size, size_t hdrlen,
294 59d1e4a0 2021-03-10 stsp uint8_t *data)
296 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
297 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj iobj;
298 59d1e4a0 2021-03-10 stsp size_t len = sizeof(iobj);
299 59d1e4a0 2021-03-10 stsp struct ibuf *wbuf;
301 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
302 59d1e4a0 2021-03-10 stsp iobj.hdrlen = hdrlen;
303 59d1e4a0 2021-03-10 stsp iobj.size = size;
305 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX)
306 a8591711 2021-06-18 stsp len += (size_t)size + hdrlen;
308 59d1e4a0 2021-03-10 stsp wbuf = imsg_create(ibuf, GOT_IMSG_RAW_OBJECT, 0, 0, len);
309 59d1e4a0 2021-03-10 stsp if (wbuf == NULL) {
310 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_create RAW_OBJECT");
311 59d1e4a0 2021-03-10 stsp return err;
314 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &iobj, sizeof(iobj)) == -1)
315 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add RAW_OBJECT");
317 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
318 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, data, size + hdrlen) == -1)
319 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add RAW_OBJECT");
322 59d1e4a0 2021-03-10 stsp wbuf->fd = -1;
323 59d1e4a0 2021-03-10 stsp imsg_close(ibuf, wbuf);
325 1785f84a 2018-12-23 stsp return flush_imsg(ibuf);
328 1785f84a 2018-12-23 stsp const struct got_error *
329 59d1e4a0 2021-03-10 stsp got_privsep_recv_raw_obj(uint8_t **outbuf, off_t *size, size_t *hdrlen,
330 59d1e4a0 2021-03-10 stsp struct imsgbuf *ibuf)
332 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
333 59d1e4a0 2021-03-10 stsp struct imsg imsg;
334 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj *iobj;
335 59d1e4a0 2021-03-10 stsp size_t datalen;
337 59d1e4a0 2021-03-10 stsp *outbuf = NULL;
339 59d1e4a0 2021-03-10 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
341 59d1e4a0 2021-03-10 stsp return err;
343 59d1e4a0 2021-03-10 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
345 59d1e4a0 2021-03-10 stsp switch (imsg.hdr.type) {
346 59d1e4a0 2021-03-10 stsp case GOT_IMSG_RAW_OBJECT:
347 59d1e4a0 2021-03-10 stsp if (datalen < sizeof(*iobj)) {
348 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
351 59d1e4a0 2021-03-10 stsp iobj = imsg.data;
352 59d1e4a0 2021-03-10 stsp *size = iobj->size;
353 59d1e4a0 2021-03-10 stsp *hdrlen = iobj->hdrlen;
355 59d1e4a0 2021-03-10 stsp if (datalen == sizeof(*iobj)) {
356 59d1e4a0 2021-03-10 stsp /* Data has been written to file descriptor. */
360 31d32634 2022-06-23 thomas if (*size < 0 ||
361 31d32634 2022-06-23 thomas *size + *hdrlen > GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
362 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
366 a8591711 2021-06-18 stsp *outbuf = malloc(*size + *hdrlen);
367 59d1e4a0 2021-03-10 stsp if (*outbuf == NULL) {
368 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("malloc");
371 a8591711 2021-06-18 stsp memcpy(*outbuf, imsg.data + sizeof(*iobj), *size + *hdrlen);
374 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
378 59d1e4a0 2021-03-10 stsp imsg_free(&imsg);
380 59d1e4a0 2021-03-10 stsp return err;
383 59d1e4a0 2021-03-10 stsp const struct got_error *
384 1785f84a 2018-12-23 stsp got_privsep_send_commit_req(struct imsgbuf *ibuf, int fd,
385 1785f84a 2018-12-23 stsp struct got_object_id *id, int pack_idx)
387 41496140 2019-02-21 stsp const struct got_error *err = NULL;
388 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
389 d5c81d44 2021-07-08 stsp void *data;
390 1785f84a 2018-12-23 stsp size_t len;
392 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
393 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* commit is packed */
394 1785f84a 2018-12-23 stsp iobj.idx = pack_idx;
395 1785f84a 2018-12-23 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
396 d5c81d44 2021-07-08 stsp data = &iobj;
397 1785f84a 2018-12-23 stsp len = sizeof(iobj);
400 d5c81d44 2021-07-08 stsp len = sizeof(*id);
403 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_REQUEST, 0, 0, fd, data, len)
405 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT_REQUEST");
407 41496140 2019-02-21 stsp return err;
410 13c729f7 2018-12-24 stsp return flush_imsg(ibuf);
413 13c729f7 2018-12-24 stsp const struct got_error *
414 13c729f7 2018-12-24 stsp got_privsep_send_tree_req(struct imsgbuf *ibuf, int fd,
415 13c729f7 2018-12-24 stsp struct got_object_id *id, int pack_idx)
417 7f358e3b 2019-11-23 stsp struct ibuf *wbuf;
418 d5c81d44 2021-07-08 stsp size_t len;
420 d5c81d44 2021-07-08 stsp if (pack_idx != -1)
421 d5c81d44 2021-07-08 stsp len = sizeof(struct got_imsg_packed_object);
423 d5c81d44 2021-07-08 stsp len = sizeof(*id);
425 7f358e3b 2019-11-23 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_REQUEST, 0, 0, len);
426 7f358e3b 2019-11-23 stsp if (wbuf == NULL)
427 7f358e3b 2019-11-23 stsp return got_error_from_errno("imsg_create TREE_REQUEST");
429 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1)
430 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_REQUEST");
432 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tree is packed */
433 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &pack_idx, sizeof(pack_idx)) == -1)
434 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_REQUEST");
437 7f358e3b 2019-11-23 stsp wbuf->fd = fd;
438 7f358e3b 2019-11-23 stsp imsg_close(ibuf, wbuf);
440 268f7291 2018-12-24 stsp return flush_imsg(ibuf);
443 268f7291 2018-12-24 stsp const struct got_error *
444 268f7291 2018-12-24 stsp got_privsep_send_tag_req(struct imsgbuf *ibuf, int fd,
445 268f7291 2018-12-24 stsp struct got_object_id *id, int pack_idx)
447 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
448 d5c81d44 2021-07-08 stsp void *data;
449 268f7291 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) { /* tag is packed */
453 268f7291 2018-12-24 stsp iobj.idx = pack_idx;
454 268f7291 2018-12-24 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
455 d5c81d44 2021-07-08 stsp data = &iobj;
456 268f7291 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_TAG_REQUEST, 0, 0, fd, data, len)
464 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose TAG_REQUEST");
466 7762fe12 2018-11-05 stsp return flush_imsg(ibuf);
469 7762fe12 2018-11-05 stsp const struct got_error *
470 ebc55e2d 2018-12-24 stsp got_privsep_send_blob_req(struct imsgbuf *ibuf, int infd,
471 ebc55e2d 2018-12-24 stsp struct got_object_id *id, int pack_idx)
473 41496140 2019-02-21 stsp const struct got_error *err = NULL;
474 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
475 d5c81d44 2021-07-08 stsp void *data;
476 ebc55e2d 2018-12-24 stsp size_t len;
478 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
479 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* blob is packed */
480 ebc55e2d 2018-12-24 stsp iobj.idx = pack_idx;
481 ebc55e2d 2018-12-24 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
482 d5c81d44 2021-07-08 stsp data = &iobj;
483 ebc55e2d 2018-12-24 stsp len = sizeof(iobj);
486 d5c81d44 2021-07-08 stsp len = sizeof(*id);
489 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_REQUEST, 0, 0, infd, data, len)
491 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_REQUEST");
492 41496140 2019-02-21 stsp close(infd);
493 41496140 2019-02-21 stsp return err;
496 55da3778 2018-09-10 stsp return flush_imsg(ibuf);
499 55da3778 2018-09-10 stsp const struct got_error *
500 55da3778 2018-09-10 stsp got_privsep_send_blob_outfd(struct imsgbuf *ibuf, int outfd)
502 41496140 2019-02-21 stsp const struct got_error *err = NULL;
504 ad242220 2018-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_OUTFD, 0, 0, outfd, NULL, 0)
506 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_OUTFD");
507 41496140 2019-02-21 stsp close(outfd);
508 41496140 2019-02-21 stsp return err;
511 3840f4c9 2018-09-12 stsp return flush_imsg(ibuf);
514 73ab1060 2020-03-18 stsp static const struct got_error *
515 73ab1060 2020-03-18 stsp send_fd(struct imsgbuf *ibuf, int imsg_code, int fd)
517 41496140 2019-02-21 stsp const struct got_error *err = NULL;
519 73ab1060 2020-03-18 stsp if (imsg_compose(ibuf, imsg_code, 0, 0, fd, NULL, 0) == -1) {
520 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TMPFD");
522 41496140 2019-02-21 stsp return err;
525 ad242220 2018-09-08 stsp return flush_imsg(ibuf);
528 ad242220 2018-09-08 stsp const struct got_error *
529 73ab1060 2020-03-18 stsp got_privsep_send_tmpfd(struct imsgbuf *ibuf, int fd)
531 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_TMPFD, fd);
534 73ab1060 2020-03-18 stsp const struct got_error *
535 876c234b 2018-09-10 stsp got_privsep_send_obj(struct imsgbuf *ibuf, struct got_object *obj)
537 2178c42e 2018-04-22 stsp struct got_imsg_object iobj;
539 1bb2bba2 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
541 c59b3346 2018-09-11 stsp memcpy(iobj.id, obj->id.sha1, sizeof(iobj.id));
542 2178c42e 2018-04-22 stsp iobj.type = obj->type;
543 2178c42e 2018-04-22 stsp iobj.flags = obj->flags;
544 2178c42e 2018-04-22 stsp iobj.hdrlen = obj->hdrlen;
545 2178c42e 2018-04-22 stsp iobj.size = obj->size;
546 c59b3346 2018-09-11 stsp if (iobj.flags & GOT_OBJ_FLAG_PACKED) {
547 876c234b 2018-09-10 stsp iobj.pack_offset = obj->pack_offset;
548 c59b3346 2018-09-11 stsp iobj.pack_idx = obj->pack_idx;
551 2178c42e 2018-04-22 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT, 0, 0, -1, &iobj, sizeof(iobj))
553 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT");
555 c59b3346 2018-09-11 stsp return flush_imsg(ibuf);
558 cfd633c2 2018-09-10 stsp const struct got_error *
559 33501562 2020-03-18 stsp got_privsep_send_fetch_req(struct imsgbuf *ibuf, int fd,
560 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs, int fetch_all_branches,
561 abc59930 2021-09-05 naddy struct got_pathlist_head *wanted_branches,
562 abc59930 2021-09-05 naddy struct got_pathlist_head *wanted_refs, int list_refs_only, int verbosity)
564 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
565 33501562 2020-03-18 stsp struct ibuf *wbuf;
566 4ba14133 2020-03-20 stsp size_t len;
567 33501562 2020-03-18 stsp struct got_pathlist_entry *pe;
568 4ba14133 2020-03-20 stsp struct got_imsg_fetch_request fetchreq;
570 4ba14133 2020-03-20 stsp memset(&fetchreq, 0, sizeof(fetchreq));
571 4ba14133 2020-03-20 stsp fetchreq.fetch_all_branches = fetch_all_branches;
572 41b0de12 2020-03-21 stsp fetchreq.list_refs_only = list_refs_only;
573 2690194b 2020-03-21 stsp fetchreq.verbosity = verbosity;
574 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, have_refs, entry)
575 4ba14133 2020-03-20 stsp fetchreq.n_have_refs++;
576 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry)
577 4ba14133 2020-03-20 stsp fetchreq.n_wanted_branches++;
578 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry)
579 0e4002ca 2020-03-21 stsp fetchreq.n_wanted_refs++;
580 659e7fbd 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_request);
581 33501562 2020-03-18 stsp if (len >= MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
583 33501562 2020-03-18 stsp return got_error(GOT_ERR_NO_SPACE);
586 4ba14133 2020-03-20 stsp if (imsg_compose(ibuf, GOT_IMSG_FETCH_REQUEST, 0, 0, fd,
587 4ba14133 2020-03-20 stsp &fetchreq, sizeof(fetchreq)) == -1)
588 4ba14133 2020-03-20 stsp return got_error_from_errno(
589 4ba14133 2020-03-20 stsp "imsg_compose FETCH_SERVER_PROGRESS");
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 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, id->sha1, sizeof(id->sha1)) == -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 b9f99abf 2020-03-18 stsp case GOT_IMSG_ERROR:
713 b9f99abf 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
715 abe0f35f 2020-03-18 stsp case GOT_IMSG_FETCH_SYMREFS:
716 abe0f35f 2020-03-18 stsp if (datalen < sizeof(*isymrefs)) {
717 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
720 abe0f35f 2020-03-18 stsp if (isymrefs != NULL) {
721 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
724 abe0f35f 2020-03-18 stsp isymrefs = (struct got_imsg_fetch_symrefs *)imsg.data;
725 abe0f35f 2020-03-18 stsp off = sizeof(*isymrefs);
726 abe0f35f 2020-03-18 stsp remain = datalen - off;
727 abe0f35f 2020-03-18 stsp for (n = 0; n < isymrefs->nsymrefs; n++) {
728 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symref *s;
729 abe0f35f 2020-03-18 stsp char *name, *target;
730 abe0f35f 2020-03-18 stsp if (remain < sizeof(struct got_imsg_fetch_symref)) {
731 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
734 abe0f35f 2020-03-18 stsp s = (struct got_imsg_fetch_symref *)(imsg.data + off);
735 abe0f35f 2020-03-18 stsp off += sizeof(*s);
736 abe0f35f 2020-03-18 stsp remain -= sizeof(*s);
737 abe0f35f 2020-03-18 stsp if (remain < s->name_len) {
738 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
741 abe0f35f 2020-03-18 stsp name = strndup(imsg.data + off, s->name_len);
742 abe0f35f 2020-03-18 stsp if (name == NULL) {
743 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
746 abe0f35f 2020-03-18 stsp off += s->name_len;
747 abe0f35f 2020-03-18 stsp remain -= s->name_len;
748 abe0f35f 2020-03-18 stsp if (remain < s->target_len) {
749 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
750 abe0f35f 2020-03-18 stsp free(name);
753 abe0f35f 2020-03-18 stsp target = strndup(imsg.data + off, s->target_len);
754 abe0f35f 2020-03-18 stsp if (target == NULL) {
755 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
756 abe0f35f 2020-03-18 stsp free(name);
759 abe0f35f 2020-03-18 stsp off += s->target_len;
760 abe0f35f 2020-03-18 stsp remain -= s->target_len;
761 abe0f35f 2020-03-18 stsp err = got_pathlist_append(symrefs, name, target);
763 abe0f35f 2020-03-18 stsp free(name);
764 abe0f35f 2020-03-18 stsp free(target);
769 ea7396b9 2020-03-18 stsp case GOT_IMSG_FETCH_REF:
770 531c3985 2020-03-18 stsp if (datalen <= SHA1_DIGEST_LENGTH) {
771 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
774 8f2d01a6 2020-03-18 stsp *id = malloc(sizeof(**id));
775 8f2d01a6 2020-03-18 stsp if (*id == NULL) {
776 b9f99abf 2020-03-18 stsp err = got_error_from_errno("malloc");
779 8f2d01a6 2020-03-18 stsp memcpy((*id)->sha1, imsg.data, SHA1_DIGEST_LENGTH);
780 b9f99abf 2020-03-18 stsp *refname = strndup(imsg.data + SHA1_DIGEST_LENGTH,
781 b9f99abf 2020-03-18 stsp datalen - SHA1_DIGEST_LENGTH);
782 b9f99abf 2020-03-18 stsp if (*refname == NULL) {
783 b9f99abf 2020-03-18 stsp err = got_error_from_errno("strndup");
787 531c3985 2020-03-18 stsp case GOT_IMSG_FETCH_SERVER_PROGRESS:
788 531c3985 2020-03-18 stsp if (datalen == 0) {
789 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
792 531c3985 2020-03-18 stsp *server_progress = strndup(imsg.data, datalen);
793 531c3985 2020-03-18 stsp if (*server_progress == NULL) {
794 531c3985 2020-03-18 stsp err = got_error_from_errno("strndup");
797 531c3985 2020-03-18 stsp for (i = 0; i < datalen; i++) {
798 531c3985 2020-03-18 stsp if (!isprint((unsigned char)(*server_progress)[i]) &&
799 531c3985 2020-03-18 stsp !isspace((unsigned char)(*server_progress)[i])) {
800 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
801 531c3985 2020-03-18 stsp free(*server_progress);
802 531c3985 2020-03-18 stsp *server_progress = NULL;
807 d2cdc636 2020-03-18 stsp case GOT_IMSG_FETCH_DOWNLOAD_PROGRESS:
808 d2cdc636 2020-03-18 stsp if (datalen < sizeof(*packfile_size)) {
809 d2cdc636 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
812 d2cdc636 2020-03-18 stsp memcpy(packfile_size, imsg.data, sizeof(*packfile_size));
814 8f2d01a6 2020-03-18 stsp case GOT_IMSG_FETCH_DONE:
815 8f2d01a6 2020-03-18 stsp if (datalen != SHA1_DIGEST_LENGTH) {
816 8f2d01a6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
819 1d72a2a0 2020-03-24 stsp memcpy(pack_sha1, imsg.data, SHA1_DIGEST_LENGTH);
823 b887aab6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
829 8f2d01a6 2020-03-18 stsp *id = NULL;
830 b887aab6 2020-03-18 stsp free(*refname);
831 b887aab6 2020-03-18 stsp *refname = NULL;
833 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
834 f8a36e22 2021-08-26 stsp return err;
837 f8a36e22 2021-08-26 stsp static const struct got_error *
838 f8a36e22 2021-08-26 stsp send_send_ref(const char *name, size_t name_len, struct got_object_id *id,
839 f8a36e22 2021-08-26 stsp int delete, struct imsgbuf *ibuf)
841 f8a36e22 2021-08-26 stsp size_t len;
842 f8a36e22 2021-08-26 stsp struct ibuf *wbuf;
844 f8a36e22 2021-08-26 stsp len = sizeof(struct got_imsg_send_ref) + name_len;
845 f8a36e22 2021-08-26 stsp wbuf = imsg_create(ibuf, GOT_IMSG_SEND_REF, 0, 0, len);
846 f8a36e22 2021-08-26 stsp if (wbuf == NULL)
847 f8a36e22 2021-08-26 stsp return got_error_from_errno("imsg_create SEND_REF");
849 f8a36e22 2021-08-26 stsp /* Keep in sync with struct got_imsg_send_ref! */
850 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, id->sha1, sizeof(id->sha1)) == -1)
851 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
852 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &delete, sizeof(delete)) == -1)
853 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
854 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
855 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
856 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
857 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
859 f8a36e22 2021-08-26 stsp wbuf->fd = -1;
860 f8a36e22 2021-08-26 stsp imsg_close(ibuf, wbuf);
861 f8a36e22 2021-08-26 stsp return flush_imsg(ibuf);
864 f8a36e22 2021-08-26 stsp const struct got_error *
865 f8a36e22 2021-08-26 stsp got_privsep_send_send_req(struct imsgbuf *ibuf, int fd,
866 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs,
867 abc59930 2021-09-05 naddy struct got_pathlist_head *delete_refs,
868 abc59930 2021-09-05 naddy int verbosity)
870 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
871 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *pe;
872 f8a36e22 2021-08-26 stsp struct got_imsg_send_request sendreq;
873 f8a36e22 2021-08-26 stsp struct got_object_id zero_id;
875 f8a36e22 2021-08-26 stsp memset(&zero_id, 0, sizeof(zero_id));
876 f8a36e22 2021-08-26 stsp memset(&sendreq, 0, sizeof(sendreq));
877 f8a36e22 2021-08-26 stsp sendreq.verbosity = verbosity;
878 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry)
879 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
880 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry)
881 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
882 f8a36e22 2021-08-26 stsp if (imsg_compose(ibuf, GOT_IMSG_SEND_REQUEST, 0, 0, fd,
883 f8a36e22 2021-08-26 stsp &sendreq, sizeof(sendreq)) == -1) {
884 f8a36e22 2021-08-26 stsp err = got_error_from_errno(
885 f8a36e22 2021-08-26 stsp "imsg_compose FETCH_SERVER_PROGRESS");
889 f8a36e22 2021-08-26 stsp err = flush_imsg(ibuf);
894 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry) {
895 f8a36e22 2021-08-26 stsp const char *name = pe->path;
896 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
897 f8a36e22 2021-08-26 stsp struct got_object_id *id = pe->data;
898 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, id, 0, ibuf);
903 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry) {
904 f8a36e22 2021-08-26 stsp const char *name = pe->path;
905 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
906 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, &zero_id, 1, ibuf);
911 f8a36e22 2021-08-26 stsp if (fd != -1 && close(fd) == -1 && err == NULL)
912 f8a36e22 2021-08-26 stsp err = got_error_from_errno("close");
913 f8a36e22 2021-08-26 stsp return err;
917 f8a36e22 2021-08-26 stsp const struct got_error *
918 f8a36e22 2021-08-26 stsp got_privsep_recv_send_remote_refs(struct got_pathlist_head *remote_refs,
919 f8a36e22 2021-08-26 stsp struct imsgbuf *ibuf)
921 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
922 f8a36e22 2021-08-26 stsp struct imsg imsg;
923 f8a36e22 2021-08-26 stsp size_t datalen;
924 f8a36e22 2021-08-26 stsp int done = 0;
925 f8a36e22 2021-08-26 stsp struct got_imsg_send_remote_ref iremote_ref;
926 f8a36e22 2021-08-26 stsp struct got_object_id *id = NULL;
927 f8a36e22 2021-08-26 stsp char *refname = NULL;
928 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *new;
930 f8a36e22 2021-08-26 stsp while (!done) {
931 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
933 f8a36e22 2021-08-26 stsp return err;
934 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
935 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
936 f8a36e22 2021-08-26 stsp case GOT_IMSG_ERROR:
937 f8a36e22 2021-08-26 stsp err = recv_imsg_error(&imsg, datalen);
939 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REMOTE_REF:
940 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iremote_ref)) {
941 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
944 f8a36e22 2021-08-26 stsp memcpy(&iremote_ref, imsg.data, sizeof(iremote_ref));
945 f8a36e22 2021-08-26 stsp if (datalen != sizeof(iremote_ref) +
946 f8a36e22 2021-08-26 stsp iremote_ref.name_len) {
947 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
950 f8a36e22 2021-08-26 stsp id = malloc(sizeof(*id));
951 f8a36e22 2021-08-26 stsp if (id == NULL) {
952 f8a36e22 2021-08-26 stsp err = got_error_from_errno("malloc");
955 f8a36e22 2021-08-26 stsp memcpy(id->sha1, iremote_ref.id, SHA1_DIGEST_LENGTH);
956 f8a36e22 2021-08-26 stsp refname = strndup(imsg.data + sizeof(iremote_ref),
957 f8a36e22 2021-08-26 stsp datalen - sizeof(iremote_ref));
958 f8a36e22 2021-08-26 stsp if (refname == NULL) {
959 f8a36e22 2021-08-26 stsp err = got_error_from_errno("strndup");
962 f8a36e22 2021-08-26 stsp err = got_pathlist_insert(&new, remote_refs,
963 f8a36e22 2021-08-26 stsp refname, id);
966 f8a36e22 2021-08-26 stsp if (new == NULL) { /* duplicate which wasn't inserted */
968 f8a36e22 2021-08-26 stsp free(refname);
971 f8a36e22 2021-08-26 stsp refname = NULL;
973 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_PACK_REQUEST:
974 f8a36e22 2021-08-26 stsp if (datalen != 0) {
975 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
978 f8a36e22 2021-08-26 stsp /* got-send-pack is now waiting for a pack file. */
982 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
988 f8a36e22 2021-08-26 stsp free(refname);
989 b9f99abf 2020-03-18 stsp imsg_free(&imsg);
990 b9f99abf 2020-03-18 stsp return err;
993 93658fb9 2020-03-18 stsp const struct got_error *
994 f8a36e22 2021-08-26 stsp got_privsep_send_packfd(struct imsgbuf *ibuf, int fd)
996 f8a36e22 2021-08-26 stsp return send_fd(ibuf, GOT_IMSG_SEND_PACKFD, fd);
999 f8a36e22 2021-08-26 stsp const struct got_error *
1000 f8a36e22 2021-08-26 stsp got_privsep_recv_send_progress(int *done, off_t *bytes_sent,
1001 f8a36e22 2021-08-26 stsp int *success, char **refname, struct imsgbuf *ibuf)
1003 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
1004 f8a36e22 2021-08-26 stsp struct imsg imsg;
1005 f8a36e22 2021-08-26 stsp size_t datalen;
1006 f8a36e22 2021-08-26 stsp struct got_imsg_send_ref_status iref_status;
1008 f8a36e22 2021-08-26 stsp /* Do not reset the current value of 'bytes_sent', it accumulates. */
1009 f8a36e22 2021-08-26 stsp *done = 0;
1010 f8a36e22 2021-08-26 stsp *success = 0;
1011 f8a36e22 2021-08-26 stsp *refname = NULL;
1013 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1015 f8a36e22 2021-08-26 stsp return err;
1017 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1018 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
1019 f8a36e22 2021-08-26 stsp case GOT_IMSG_ERROR:
1020 f8a36e22 2021-08-26 stsp err = recv_imsg_error(&imsg, datalen);
1022 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_UPLOAD_PROGRESS:
1023 f8a36e22 2021-08-26 stsp if (datalen < sizeof(*bytes_sent)) {
1024 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1027 f8a36e22 2021-08-26 stsp memcpy(bytes_sent, imsg.data, sizeof(*bytes_sent));
1029 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REF_STATUS:
1030 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iref_status)) {
1031 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1034 f8a36e22 2021-08-26 stsp memcpy(&iref_status, imsg.data, sizeof(iref_status));
1035 f8a36e22 2021-08-26 stsp if (datalen != sizeof(iref_status) + iref_status.name_len) {
1036 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1039 f8a36e22 2021-08-26 stsp *success = iref_status.success;
1040 f8a36e22 2021-08-26 stsp *refname = strndup(imsg.data + sizeof(iref_status),
1041 f8a36e22 2021-08-26 stsp iref_status.name_len);
1043 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_DONE:
1044 f8a36e22 2021-08-26 stsp if (datalen != 0) {
1045 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1048 f8a36e22 2021-08-26 stsp *done = 1;
1051 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1055 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
1056 f8a36e22 2021-08-26 stsp return err;
1059 f8a36e22 2021-08-26 stsp const struct got_error *
1060 fd251256 2020-03-24 stsp got_privsep_send_index_pack_req(struct imsgbuf *ibuf, uint8_t *pack_sha1,
1063 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1065 668a20f6 2020-03-18 stsp /* Keep in sync with struct got_imsg_index_pack_request */
1066 93658fb9 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_IDXPACK_REQUEST, 0, 0, fd,
1067 fd251256 2020-03-24 stsp pack_sha1, SHA1_DIGEST_LENGTH) == -1) {
1068 93658fb9 2020-03-18 stsp err = got_error_from_errno("imsg_compose INDEX_REQUEST");
1069 93658fb9 2020-03-18 stsp close(fd);
1070 93658fb9 2020-03-18 stsp return err;
1072 baa9fea0 2020-03-18 stsp return flush_imsg(ibuf);
1075 baa9fea0 2020-03-18 stsp const struct got_error *
1076 73ab1060 2020-03-18 stsp got_privsep_send_index_pack_outfd(struct imsgbuf *ibuf, int fd)
1078 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_IDXPACK_OUTFD, fd);
1081 73ab1060 2020-03-18 stsp const struct got_error *
1082 668a20f6 2020-03-18 stsp got_privsep_recv_index_progress(int *done, int *nobj_total,
1083 668a20f6 2020-03-18 stsp int *nobj_indexed, int *nobj_loose, int *nobj_resolved,
1084 668a20f6 2020-03-18 stsp struct imsgbuf *ibuf)
1086 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1087 93658fb9 2020-03-18 stsp struct imsg imsg;
1088 baa9fea0 2020-03-18 stsp struct got_imsg_index_pack_progress *iprogress;
1089 baa9fea0 2020-03-18 stsp size_t datalen;
1091 baa9fea0 2020-03-18 stsp *done = 0;
1092 668a20f6 2020-03-18 stsp *nobj_total = 0;
1093 668a20f6 2020-03-18 stsp *nobj_indexed = 0;
1094 668a20f6 2020-03-18 stsp *nobj_resolved = 0;
1096 93658fb9 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1098 93658fb9 2020-03-18 stsp return err;
1100 baa9fea0 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1101 baa9fea0 2020-03-18 stsp switch (imsg.hdr.type) {
1102 baa9fea0 2020-03-18 stsp case GOT_IMSG_ERROR:
1103 baa9fea0 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
1105 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_PROGRESS:
1106 baa9fea0 2020-03-18 stsp if (datalen < sizeof(*iprogress)) {
1107 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1110 baa9fea0 2020-03-18 stsp iprogress = (struct got_imsg_index_pack_progress *)imsg.data;
1111 31d32634 2022-06-23 thomas if (iprogress->nobj_total < 0 || iprogress->nobj_indexed < 0 ||
1112 31d32634 2022-06-23 thomas iprogress->nobj_loose < 0 || iprogress->nobj_resolved < 0) {
1113 31d32634 2022-06-23 thomas err = got_error(GOT_ERR_RANGE);
1116 668a20f6 2020-03-18 stsp *nobj_total = iprogress->nobj_total;
1117 668a20f6 2020-03-18 stsp *nobj_indexed = iprogress->nobj_indexed;
1118 668a20f6 2020-03-18 stsp *nobj_loose = iprogress->nobj_loose;
1119 668a20f6 2020-03-18 stsp *nobj_resolved = iprogress->nobj_resolved;
1121 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_DONE:
1122 baa9fea0 2020-03-18 stsp if (datalen != 0) {
1123 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1126 baa9fea0 2020-03-18 stsp *done = 1;
1129 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1133 93658fb9 2020-03-18 stsp imsg_free(&imsg);
1134 baa9fea0 2020-03-18 stsp return err;
1137 93658fb9 2020-03-18 stsp const struct got_error *
1138 cfd633c2 2018-09-10 stsp got_privsep_get_imsg_obj(struct got_object **obj, struct imsg *imsg,
1139 cfd633c2 2018-09-10 stsp struct imsgbuf *ibuf)
1141 291624d8 2018-11-07 stsp struct got_imsg_object *iobj;
1142 cfd633c2 2018-09-10 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1144 291624d8 2018-11-07 stsp if (datalen != sizeof(*iobj))
1145 cfd633c2 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1146 291624d8 2018-11-07 stsp iobj = imsg->data;
1148 31d32634 2022-06-23 thomas if (iobj->pack_offset < 0)
1149 31d32634 2022-06-23 thomas return got_error(GOT_ERR_PACK_OFFSET);
1151 cfd633c2 2018-09-10 stsp *obj = calloc(1, sizeof(**obj));
1152 cfd633c2 2018-09-10 stsp if (*obj == NULL)
1153 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
1155 291624d8 2018-11-07 stsp memcpy((*obj)->id.sha1, iobj->id, SHA1_DIGEST_LENGTH);
1156 291624d8 2018-11-07 stsp (*obj)->type = iobj->type;
1157 291624d8 2018-11-07 stsp (*obj)->flags = iobj->flags;
1158 291624d8 2018-11-07 stsp (*obj)->hdrlen = iobj->hdrlen;
1159 291624d8 2018-11-07 stsp (*obj)->size = iobj->size;
1160 c59b3346 2018-09-11 stsp /* path_packfile is handled by caller */
1161 291624d8 2018-11-07 stsp if (iobj->flags & GOT_OBJ_FLAG_PACKED) {
1162 291624d8 2018-11-07 stsp (*obj)->pack_offset = iobj->pack_offset;
1163 291624d8 2018-11-07 stsp (*obj)->pack_idx = iobj->pack_idx;
1165 772802ae 2022-01-27 thomas STAILQ_INIT(&(*obj)->deltas.entries);
1166 772802ae 2022-01-27 thomas return NULL;
1169 2178c42e 2018-04-22 stsp const struct got_error *
1170 2178c42e 2018-04-22 stsp got_privsep_recv_obj(struct got_object **obj, struct imsgbuf *ibuf)
1172 2178c42e 2018-04-22 stsp const struct got_error *err = NULL;
1173 2178c42e 2018-04-22 stsp struct imsg imsg;
1174 c4eae628 2018-04-23 stsp const size_t min_datalen =
1175 c4eae628 2018-04-23 stsp MIN(sizeof(struct got_imsg_error), sizeof(struct got_imsg_object));
1177 2178c42e 2018-04-22 stsp *obj = NULL;
1179 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1181 2178c42e 2018-04-22 stsp return err;
1183 2178c42e 2018-04-22 stsp switch (imsg.hdr.type) {
1184 2178c42e 2018-04-22 stsp case GOT_IMSG_OBJECT:
1185 cfd633c2 2018-09-10 stsp err = got_privsep_get_imsg_obj(obj, &imsg, ibuf);
1188 bff6ca00 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1192 bff6ca00 2018-04-23 stsp imsg_free(&imsg);
1194 bff6ca00 2018-04-23 stsp return err;
1197 c75f7264 2018-09-11 stsp static const struct got_error *
1198 c75f7264 2018-09-11 stsp send_commit_logmsg(struct imsgbuf *ibuf, struct got_commit_object *commit,
1199 c75f7264 2018-09-11 stsp size_t logmsg_len)
1201 fa4ffeb3 2018-11-04 stsp const struct got_error *err = NULL;
1202 c75f7264 2018-09-11 stsp size_t offset, remain;
1204 c75f7264 2018-09-11 stsp offset = 0;
1205 c75f7264 2018-09-11 stsp remain = logmsg_len;
1206 c75f7264 2018-09-11 stsp while (remain > 0) {
1207 c75f7264 2018-09-11 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1209 c75f7264 2018-09-11 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_LOGMSG, 0, 0, -1,
1210 fa4ffeb3 2018-11-04 stsp commit->logmsg + offset, n) == -1) {
1211 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose "
1212 230a42bd 2019-05-11 jcs "COMMIT_LOGMSG");
1216 fa4ffeb3 2018-11-04 stsp err = flush_imsg(ibuf);
1220 c75f7264 2018-09-11 stsp offset += n;
1221 c75f7264 2018-09-11 stsp remain -= n;
1224 fa4ffeb3 2018-11-04 stsp return err;
1227 bff6ca00 2018-04-23 stsp const struct got_error *
1228 068fd2bf 2018-04-24 stsp got_privsep_send_commit(struct imsgbuf *ibuf, struct got_commit_object *commit)
1230 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1231 b9c33926 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1232 bff6ca00 2018-04-23 stsp uint8_t *buf;
1233 bff6ca00 2018-04-23 stsp size_t len, total;
1234 79f35eb3 2018-06-11 stsp struct got_object_qid *qid;
1235 b9c33926 2018-11-07 stsp size_t author_len = strlen(commit->author);
1236 b9c33926 2018-11-07 stsp size_t committer_len = strlen(commit->committer);
1237 c75f7264 2018-09-11 stsp size_t logmsg_len = strlen(commit->logmsg);
1239 b9c33926 2018-11-07 stsp total = sizeof(*icommit) + author_len + committer_len +
1240 b9c33926 2018-11-07 stsp commit->nparents * SHA1_DIGEST_LENGTH;
1242 bff6ca00 2018-04-23 stsp buf = malloc(total);
1243 bff6ca00 2018-04-23 stsp if (buf == NULL)
1244 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1246 b9c33926 2018-11-07 stsp icommit = (struct got_imsg_commit_object *)buf;
1247 a7403916 2018-12-24 stsp memcpy(icommit->tree_id, commit->tree_id->sha1,
1248 a7403916 2018-12-24 stsp sizeof(icommit->tree_id));
1249 b9c33926 2018-11-07 stsp icommit->author_len = author_len;
1250 b9c33926 2018-11-07 stsp icommit->author_time = commit->author_time;
1251 b9c33926 2018-11-07 stsp icommit->author_gmtoff = commit->author_gmtoff;
1252 b9c33926 2018-11-07 stsp icommit->committer_len = committer_len;
1253 b9c33926 2018-11-07 stsp icommit->committer_time = commit->committer_time;
1254 b9c33926 2018-11-07 stsp icommit->committer_gmtoff = commit->committer_gmtoff;
1255 b9c33926 2018-11-07 stsp icommit->logmsg_len = logmsg_len;
1256 b9c33926 2018-11-07 stsp icommit->nparents = commit->nparents;
1258 b9c33926 2018-11-07 stsp len = sizeof(*icommit);
1259 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->author, author_len);
1260 b9c33926 2018-11-07 stsp len += author_len;
1261 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->committer, committer_len);
1262 b9c33926 2018-11-07 stsp len += committer_len;
1263 dbdddfee 2021-06-23 naddy STAILQ_FOREACH(qid, &commit->parent_ids, entry) {
1264 ec242592 2022-04-22 thomas memcpy(buf + len, &qid->id, SHA1_DIGEST_LENGTH);
1265 86acc566 2018-04-23 stsp len += SHA1_DIGEST_LENGTH;
1268 bff6ca00 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT, 0, 0, -1, buf, len) == -1) {
1269 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT");
1270 bff6ca00 2018-04-23 stsp goto done;
1273 904df868 2018-11-04 stsp if (logmsg_len == 0 ||
1274 904df868 2018-11-04 stsp logmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1275 904df868 2018-11-04 stsp err = flush_imsg(ibuf);
1277 904df868 2018-11-04 stsp goto done;
1279 c75f7264 2018-09-11 stsp err = send_commit_logmsg(ibuf, commit, logmsg_len);
1281 bff6ca00 2018-04-23 stsp free(buf);
1282 bff6ca00 2018-04-23 stsp return err;
1285 ca6e02ac 2020-01-07 stsp static const struct got_error *
1286 ca6e02ac 2020-01-07 stsp get_commit_from_imsg(struct got_commit_object **commit,
1287 ca6e02ac 2020-01-07 stsp struct imsg *imsg, size_t datalen, struct imsgbuf *ibuf)
1289 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1290 291624d8 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1291 ca6e02ac 2020-01-07 stsp size_t len = 0;
1294 ca6e02ac 2020-01-07 stsp if (datalen < sizeof(*icommit))
1295 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1297 ca6e02ac 2020-01-07 stsp icommit = imsg->data;
1298 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommit) + icommit->author_len +
1299 ca6e02ac 2020-01-07 stsp icommit->committer_len +
1300 ca6e02ac 2020-01-07 stsp icommit->nparents * SHA1_DIGEST_LENGTH)
1301 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1303 ca6e02ac 2020-01-07 stsp if (icommit->nparents < 0)
1304 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1306 ca6e02ac 2020-01-07 stsp len += sizeof(*icommit);
1308 ca6e02ac 2020-01-07 stsp *commit = got_object_commit_alloc_partial();
1309 ca6e02ac 2020-01-07 stsp if (*commit == NULL)
1310 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
1311 ca6e02ac 2020-01-07 stsp "got_object_commit_alloc_partial");
1313 ca6e02ac 2020-01-07 stsp memcpy((*commit)->tree_id->sha1, icommit->tree_id,
1314 ca6e02ac 2020-01-07 stsp SHA1_DIGEST_LENGTH);
1315 ca6e02ac 2020-01-07 stsp (*commit)->author_time = icommit->author_time;
1316 ca6e02ac 2020-01-07 stsp (*commit)->author_gmtoff = icommit->author_gmtoff;
1317 ca6e02ac 2020-01-07 stsp (*commit)->committer_time = icommit->committer_time;
1318 ca6e02ac 2020-01-07 stsp (*commit)->committer_gmtoff = icommit->committer_gmtoff;
1320 79b7acf3 2022-06-23 thomas (*commit)->author = strndup(imsg->data + len, icommit->author_len);
1321 79b7acf3 2022-06-23 thomas if ((*commit)->author == NULL) {
1322 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1323 79b7acf3 2022-06-23 thomas goto done;
1325 ca6e02ac 2020-01-07 stsp len += icommit->author_len;
1327 79b7acf3 2022-06-23 thomas (*commit)->committer = strndup(imsg->data + len,
1328 79b7acf3 2022-06-23 thomas icommit->committer_len);
1329 79b7acf3 2022-06-23 thomas if ((*commit)->committer == NULL) {
1330 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1331 79b7acf3 2022-06-23 thomas goto done;
1333 ca6e02ac 2020-01-07 stsp len += icommit->committer_len;
1335 ca6e02ac 2020-01-07 stsp if (icommit->logmsg_len == 0) {
1336 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = strdup("");
1337 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1338 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1339 ca6e02ac 2020-01-07 stsp goto done;
1342 ca6e02ac 2020-01-07 stsp size_t offset = 0, remain = icommit->logmsg_len;
1344 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = malloc(icommit->logmsg_len + 1);
1345 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1346 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1347 ca6e02ac 2020-01-07 stsp goto done;
1349 ca6e02ac 2020-01-07 stsp while (remain > 0) {
1350 ca6e02ac 2020-01-07 stsp struct imsg imsg_log;
1351 ca6e02ac 2020-01-07 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1354 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1356 ca6e02ac 2020-01-07 stsp goto done;
1358 ca6e02ac 2020-01-07 stsp if (imsg_log.hdr.type != GOT_IMSG_COMMIT_LOGMSG) {
1359 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1360 ca6e02ac 2020-01-07 stsp goto done;
1363 ca6e02ac 2020-01-07 stsp memcpy((*commit)->logmsg + offset,
1364 ca6e02ac 2020-01-07 stsp imsg_log.data, n);
1365 ca6e02ac 2020-01-07 stsp imsg_free(&imsg_log);
1366 ca6e02ac 2020-01-07 stsp offset += n;
1367 ca6e02ac 2020-01-07 stsp remain -= n;
1369 ca6e02ac 2020-01-07 stsp (*commit)->logmsg[icommit->logmsg_len] = '\0';
1372 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommit->nparents; i++) {
1373 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
1375 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
1378 ec242592 2022-04-22 thomas memcpy(&qid->id, imsg->data + len +
1379 ec242592 2022-04-22 thomas i * SHA1_DIGEST_LENGTH, sizeof(qid->id));
1380 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(&(*commit)->parent_ids, qid, entry);
1381 ca6e02ac 2020-01-07 stsp (*commit)->nparents++;
1384 ca6e02ac 2020-01-07 stsp if (err) {
1385 ca6e02ac 2020-01-07 stsp got_object_commit_close(*commit);
1386 ca6e02ac 2020-01-07 stsp *commit = NULL;
1388 ca6e02ac 2020-01-07 stsp return err;
1391 ca6e02ac 2020-01-07 stsp const struct got_error *
1392 ca6e02ac 2020-01-07 stsp got_privsep_recv_commit(struct got_commit_object **commit, struct imsgbuf *ibuf)
1394 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
1395 ca6e02ac 2020-01-07 stsp struct imsg imsg;
1396 ca6e02ac 2020-01-07 stsp size_t datalen;
1397 ca6e02ac 2020-01-07 stsp const size_t min_datalen =
1398 ca6e02ac 2020-01-07 stsp MIN(sizeof(struct got_imsg_error),
1399 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_object));
1401 ca6e02ac 2020-01-07 stsp *commit = NULL;
1403 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1405 ca6e02ac 2020-01-07 stsp return err;
1407 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1409 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
1410 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
1411 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(commit, &imsg, datalen, ibuf);
1414 8c580685 2018-04-22 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1418 2178c42e 2018-04-22 stsp imsg_free(&imsg);
1420 e033d803 2018-04-23 stsp return err;
1423 06de99ad 2022-05-19 thomas static const struct got_error *
1424 63915ee5 2022-06-23 thomas send_tree_entries_batch(struct imsgbuf *ibuf,
1425 63915ee5 2022-06-23 thomas struct got_parsed_tree_entry *entries, int idx0, int idxN, size_t len)
1427 06de99ad 2022-05-19 thomas struct ibuf *wbuf;
1428 06de99ad 2022-05-19 thomas struct got_imsg_tree_entries ientries;
1431 c26ee7ad 2022-06-23 thomas memset(&ientries, 0, sizeof(ientries));
1433 06de99ad 2022-05-19 thomas wbuf = imsg_create(ibuf, GOT_IMSG_TREE_ENTRIES, 0, 0, len);
1434 06de99ad 2022-05-19 thomas if (wbuf == NULL)
1435 06de99ad 2022-05-19 thomas return got_error_from_errno("imsg_create TREE_ENTRY");
1437 06de99ad 2022-05-19 thomas ientries.nentries = idxN - idx0 + 1;
1438 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &ientries, sizeof(ientries)) == -1)
1439 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1441 06de99ad 2022-05-19 thomas for (i = idx0; i <= idxN; i++) {
1442 06de99ad 2022-05-19 thomas struct got_parsed_tree_entry *pte = &entries[i];
1444 3022d272 2019-11-14 stsp /* Keep in sync with struct got_imsg_tree_object definition! */
1445 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, pte->id, SHA1_DIGEST_LENGTH) == -1)
1446 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1447 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &pte->mode, sizeof(pte->mode)) == -1)
1448 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1449 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &pte->namelen, sizeof(pte->namelen)) == -1)
1450 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1452 06de99ad 2022-05-19 thomas /* Remaining bytes are the entry's name. */
1453 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, pte->name, pte->namelen) == -1)
1454 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1457 06de99ad 2022-05-19 thomas wbuf->fd = -1;
1458 06de99ad 2022-05-19 thomas imsg_close(ibuf, wbuf);
1459 06de99ad 2022-05-19 thomas return NULL;
1462 63915ee5 2022-06-23 thomas static const struct got_error *
1463 63915ee5 2022-06-23 thomas send_tree_entries(struct imsgbuf *ibuf, struct got_parsed_tree_entry *entries,
1464 63915ee5 2022-06-23 thomas int nentries)
1466 06de99ad 2022-05-19 thomas const struct got_error *err = NULL;
1467 06de99ad 2022-05-19 thomas int i, j;
1468 63915ee5 2022-06-23 thomas size_t entries_len = sizeof(struct got_imsg_tree_entries);
1471 06de99ad 2022-05-19 thomas for (j = 0; j < nentries; j++) {
1472 06de99ad 2022-05-19 thomas struct got_parsed_tree_entry *pte = &entries[j];
1473 06de99ad 2022-05-19 thomas size_t len = sizeof(*pte) + pte->namelen;
1475 06de99ad 2022-05-19 thomas if (j > 0 &&
1476 06de99ad 2022-05-19 thomas entries_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1477 63915ee5 2022-06-23 thomas err = send_tree_entries_batch(ibuf, entries,
1478 06de99ad 2022-05-19 thomas i, j - 1, entries_len);
1479 06de99ad 2022-05-19 thomas if (err)
1480 06de99ad 2022-05-19 thomas return err;
1482 06de99ad 2022-05-19 thomas entries_len = sizeof(struct got_imsg_tree_entries);
1485 06de99ad 2022-05-19 thomas entries_len += len;
1488 06de99ad 2022-05-19 thomas if (j > 0) {
1489 63915ee5 2022-06-23 thomas err = send_tree_entries_batch(ibuf, entries, i, j - 1,
1490 63915ee5 2022-06-23 thomas entries_len);
1491 06de99ad 2022-05-19 thomas if (err)
1492 06de99ad 2022-05-19 thomas return err;
1495 63915ee5 2022-06-23 thomas return NULL;
1498 63915ee5 2022-06-23 thomas const struct got_error *
1499 63915ee5 2022-06-23 thomas got_privsep_send_tree(struct imsgbuf *ibuf,
1500 63915ee5 2022-06-23 thomas struct got_parsed_tree_entry *entries, int nentries)
1502 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
1503 63915ee5 2022-06-23 thomas struct got_imsg_tree_object itree;
1505 c26ee7ad 2022-06-23 thomas memset(&itree, 0, sizeof(itree));
1506 63915ee5 2022-06-23 thomas itree.nentries = nentries;
1507 63915ee5 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_TREE, 0, 0, -1, &itree, sizeof(itree))
1509 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_compose TREE");
1511 63915ee5 2022-06-23 thomas err = send_tree_entries(ibuf, entries, nentries);
1512 63915ee5 2022-06-23 thomas if (err)
1513 63915ee5 2022-06-23 thomas return err;
1515 b00c9821 2018-11-04 stsp return flush_imsg(ibuf);
1519 63915ee5 2022-06-23 thomas static const struct got_error *
1520 63915ee5 2022-06-23 thomas recv_tree_entries(void *data, size_t datalen, struct got_tree_object *tree,
1521 63915ee5 2022-06-23 thomas int *nentries)
1523 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
1524 63915ee5 2022-06-23 thomas struct got_imsg_tree_entries *ientries;
1525 63915ee5 2022-06-23 thomas struct got_tree_entry *te;
1526 63915ee5 2022-06-23 thomas size_t te_offset;
1527 63915ee5 2022-06-23 thomas size_t i;
1529 63915ee5 2022-06-23 thomas if (datalen <= sizeof(*ientries) ||
1530 63915ee5 2022-06-23 thomas datalen > MAX_IMSGSIZE - IMSG_HEADER_SIZE)
1531 63915ee5 2022-06-23 thomas return got_error(GOT_ERR_PRIVSEP_LEN);
1533 63915ee5 2022-06-23 thomas ientries = (struct got_imsg_tree_entries *)data;
1534 63915ee5 2022-06-23 thomas if (ientries->nentries > INT_MAX) {
1535 63915ee5 2022-06-23 thomas return got_error_msg(GOT_ERR_NO_SPACE,
1536 63915ee5 2022-06-23 thomas "too many tree entries");
1539 63915ee5 2022-06-23 thomas te_offset = sizeof(*ientries);
1540 63915ee5 2022-06-23 thomas for (i = 0; i < ientries->nentries; i++) {
1541 63915ee5 2022-06-23 thomas struct got_imsg_tree_entry ite;
1542 63915ee5 2022-06-23 thomas const char *te_name;
1543 63915ee5 2022-06-23 thomas uint8_t *buf = (uint8_t *)data + te_offset;
1545 63915ee5 2022-06-23 thomas if (te_offset >= datalen) {
1546 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1550 63915ee5 2022-06-23 thomas /* Might not be aligned, size is ~32 bytes. */
1551 63915ee5 2022-06-23 thomas memcpy(&ite, buf, sizeof(ite));
1553 63915ee5 2022-06-23 thomas if (ite.namelen >= sizeof(te->name)) {
1554 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1557 63915ee5 2022-06-23 thomas if (te_offset + sizeof(ite) + ite.namelen > datalen) {
1558 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1562 63915ee5 2022-06-23 thomas if (*nentries >= tree->nentries) {
1563 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1566 63915ee5 2022-06-23 thomas te = &tree->entries[*nentries];
1567 63915ee5 2022-06-23 thomas te_name = buf + sizeof(ite);
1568 63915ee5 2022-06-23 thomas memcpy(te->name, te_name, ite.namelen);
1569 63915ee5 2022-06-23 thomas te->name[ite.namelen] = '\0';
1570 63915ee5 2022-06-23 thomas memcpy(te->id.sha1, ite.id, SHA1_DIGEST_LENGTH);
1571 63915ee5 2022-06-23 thomas te->mode = ite.mode;
1572 63915ee5 2022-06-23 thomas te->idx = *nentries;
1573 63915ee5 2022-06-23 thomas (*nentries)++;
1575 63915ee5 2022-06-23 thomas te_offset += sizeof(ite) + ite.namelen;
1578 63915ee5 2022-06-23 thomas return err;
1581 e033d803 2018-04-23 stsp const struct got_error *
1582 068fd2bf 2018-04-24 stsp got_privsep_recv_tree(struct got_tree_object **tree, struct imsgbuf *ibuf)
1584 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
1585 e033d803 2018-04-23 stsp const size_t min_datalen =
1586 e033d803 2018-04-23 stsp MIN(sizeof(struct got_imsg_error),
1587 e033d803 2018-04-23 stsp sizeof(struct got_imsg_tree_object));
1588 291624d8 2018-11-07 stsp struct got_imsg_tree_object *itree;
1589 e033d803 2018-04-23 stsp int nentries = 0;
1591 e033d803 2018-04-23 stsp *tree = NULL;
1593 e033d803 2018-04-23 stsp err = read_imsg(ibuf);
1595 1e51f5b9 2018-04-23 stsp goto done;
1598 e033d803 2018-04-23 stsp struct imsg imsg;
1600 e033d803 2018-04-23 stsp size_t datalen;
1602 e033d803 2018-04-23 stsp n = imsg_get(ibuf, &imsg);
1603 e033d803 2018-04-23 stsp if (n == 0) {
1604 8767bb94 2022-05-19 thomas if ((*tree)) {
1605 8767bb94 2022-05-19 thomas if (nentries < (*tree)->nentries) {
1606 8767bb94 2022-05-19 thomas err = read_imsg(ibuf);
1607 8767bb94 2022-05-19 thomas if (err)
1609 8767bb94 2022-05-19 thomas continue;
1612 8767bb94 2022-05-19 thomas } else {
1613 8767bb94 2022-05-19 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
1618 fca1f6ad 2020-08-27 stsp if (imsg.hdr.len < IMSG_HEADER_SIZE + min_datalen) {
1619 fca1f6ad 2020-08-27 stsp imsg_free(&imsg);
1620 fca1f6ad 2020-08-27 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1624 e033d803 2018-04-23 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1626 e033d803 2018-04-23 stsp switch (imsg.hdr.type) {
1627 e033d803 2018-04-23 stsp case GOT_IMSG_ERROR:
1628 e033d803 2018-04-23 stsp err = recv_imsg_error(&imsg, datalen);
1630 e033d803 2018-04-23 stsp case GOT_IMSG_TREE:
1631 e033d803 2018-04-23 stsp /* This message should only appear once. */
1632 e033d803 2018-04-23 stsp if (*tree != NULL) {
1633 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1636 291624d8 2018-11-07 stsp if (datalen != sizeof(*itree)) {
1637 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1640 291624d8 2018-11-07 stsp itree = imsg.data;
1641 ace4d4e7 2022-05-19 thomas if (itree->nentries < 0) {
1642 ace4d4e7 2022-05-19 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1645 c3b78ecc 2018-11-07 stsp *tree = malloc(sizeof(**tree));
1646 e033d803 2018-04-23 stsp if (*tree == NULL) {
1647 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1650 56e0773d 2019-11-28 stsp (*tree)->entries = calloc(itree->nentries,
1651 56e0773d 2019-11-28 stsp sizeof(struct got_tree_entry));
1652 56e0773d 2019-11-28 stsp if ((*tree)->entries == NULL) {
1653 56e0773d 2019-11-28 stsp err = got_error_from_errno("malloc");
1654 c3bacae2 2022-05-19 thomas free(*tree);
1655 c3bacae2 2022-05-19 thomas *tree = NULL;
1658 56e0773d 2019-11-28 stsp (*tree)->nentries = itree->nentries;
1659 c3b78ecc 2018-11-07 stsp (*tree)->refcnt = 0;
1661 06de99ad 2022-05-19 thomas case GOT_IMSG_TREE_ENTRIES:
1662 e033d803 2018-04-23 stsp /* This message should be preceeded by GOT_IMSG_TREE. */
1663 e033d803 2018-04-23 stsp if (*tree == NULL) {
1664 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1667 63915ee5 2022-06-23 thomas err = recv_tree_entries(imsg.data, datalen,
1668 63915ee5 2022-06-23 thomas *tree, &nentries);
1671 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1675 e033d803 2018-04-23 stsp imsg_free(&imsg);
1680 56e0773d 2019-11-28 stsp if (*tree && (*tree)->nentries != nentries) {
1681 1e51f5b9 2018-04-23 stsp if (err == NULL)
1682 1e51f5b9 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1683 e033d803 2018-04-23 stsp got_object_tree_close(*tree);
1684 e033d803 2018-04-23 stsp *tree = NULL;
1687 ff6b18f8 2018-04-24 stsp return err;
1690 ff6b18f8 2018-04-24 stsp const struct got_error *
1691 ac544f8c 2019-01-13 stsp got_privsep_send_blob(struct imsgbuf *ibuf, size_t size, size_t hdrlen,
1692 ac544f8c 2019-01-13 stsp const uint8_t *data)
1694 2967a784 2018-04-24 stsp struct got_imsg_blob iblob;
1696 c26ee7ad 2022-06-23 thomas memset(&iblob, 0, sizeof(iblob));
1697 2967a784 2018-04-24 stsp iblob.size = size;
1698 ebc55e2d 2018-12-24 stsp iblob.hdrlen = hdrlen;
1700 ac544f8c 2019-01-13 stsp if (data) {
1701 ac544f8c 2019-01-13 stsp uint8_t *buf;
1703 ac544f8c 2019-01-13 stsp if (size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX)
1704 ac544f8c 2019-01-13 stsp return got_error(GOT_ERR_NO_SPACE);
1706 ac544f8c 2019-01-13 stsp buf = malloc(sizeof(iblob) + size);
1707 ac544f8c 2019-01-13 stsp if (buf == NULL)
1708 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1710 ac544f8c 2019-01-13 stsp memcpy(buf, &iblob, sizeof(iblob));
1711 ac544f8c 2019-01-13 stsp memcpy(buf + sizeof(iblob), data, size);
1712 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, buf,
1713 62d463ca 2020-10-20 naddy sizeof(iblob) + size) == -1) {
1714 ac544f8c 2019-01-13 stsp free(buf);
1715 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1717 ac544f8c 2019-01-13 stsp free(buf);
1719 ac544f8c 2019-01-13 stsp /* Data has already been written to file descriptor. */
1720 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, &iblob,
1721 ac544f8c 2019-01-13 stsp sizeof(iblob)) == -1)
1722 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1726 ff6b18f8 2018-04-24 stsp return flush_imsg(ibuf);
1729 ff6b18f8 2018-04-24 stsp const struct got_error *
1730 ac544f8c 2019-01-13 stsp got_privsep_recv_blob(uint8_t **outbuf, size_t *size, size_t *hdrlen,
1731 ac544f8c 2019-01-13 stsp struct imsgbuf *ibuf)
1733 ff6b18f8 2018-04-24 stsp const struct got_error *err = NULL;
1734 ff6b18f8 2018-04-24 stsp struct imsg imsg;
1735 291624d8 2018-11-07 stsp struct got_imsg_blob *iblob;
1736 ff6b18f8 2018-04-24 stsp size_t datalen;
1738 ac544f8c 2019-01-13 stsp *outbuf = NULL;
1740 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1742 ff6b18f8 2018-04-24 stsp return err;
1744 ff6b18f8 2018-04-24 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1746 ff6b18f8 2018-04-24 stsp switch (imsg.hdr.type) {
1747 ff6b18f8 2018-04-24 stsp case GOT_IMSG_BLOB:
1748 ac544f8c 2019-01-13 stsp if (datalen < sizeof(*iblob)) {
1749 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1752 291624d8 2018-11-07 stsp iblob = imsg.data;
1753 291624d8 2018-11-07 stsp *size = iblob->size;
1754 ebc55e2d 2018-12-24 stsp *hdrlen = iblob->hdrlen;
1756 ac544f8c 2019-01-13 stsp if (datalen == sizeof(*iblob)) {
1757 ac544f8c 2019-01-13 stsp /* Data has been written to file descriptor. */
1761 31d32634 2022-06-23 thomas if (*size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX ||
1762 31d32634 2022-06-23 thomas *size > datalen + sizeof(*iblob)) {
1763 ac544f8c 2019-01-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1767 ac544f8c 2019-01-13 stsp *outbuf = malloc(*size);
1768 ac544f8c 2019-01-13 stsp if (*outbuf == NULL) {
1769 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1772 ac544f8c 2019-01-13 stsp memcpy(*outbuf, imsg.data + sizeof(*iblob), *size);
1775 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1779 f4a881ce 2018-11-17 stsp imsg_free(&imsg);
1781 f4a881ce 2018-11-17 stsp return err;
1784 f4a881ce 2018-11-17 stsp static const struct got_error *
1785 f4a881ce 2018-11-17 stsp send_tagmsg(struct imsgbuf *ibuf, struct got_tag_object *tag, size_t tagmsg_len)
1787 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1788 f4a881ce 2018-11-17 stsp size_t offset, remain;
1790 f4a881ce 2018-11-17 stsp offset = 0;
1791 f4a881ce 2018-11-17 stsp remain = tagmsg_len;
1792 f4a881ce 2018-11-17 stsp while (remain > 0) {
1793 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1795 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_TAGMSG, 0, 0, -1,
1796 f4a881ce 2018-11-17 stsp tag->tagmsg + offset, n) == -1) {
1797 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG_TAGMSG");
1801 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1805 f4a881ce 2018-11-17 stsp offset += n;
1806 f4a881ce 2018-11-17 stsp remain -= n;
1809 f4a881ce 2018-11-17 stsp return err;
1812 f4a881ce 2018-11-17 stsp const struct got_error *
1813 f4a881ce 2018-11-17 stsp got_privsep_send_tag(struct imsgbuf *ibuf, struct got_tag_object *tag)
1815 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1816 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1817 f4a881ce 2018-11-17 stsp uint8_t *buf;
1818 f4a881ce 2018-11-17 stsp size_t len, total;
1819 f4a881ce 2018-11-17 stsp size_t tag_len = strlen(tag->tag);
1820 f4a881ce 2018-11-17 stsp size_t tagger_len = strlen(tag->tagger);
1821 f4a881ce 2018-11-17 stsp size_t tagmsg_len = strlen(tag->tagmsg);
1823 f4a881ce 2018-11-17 stsp total = sizeof(*itag) + tag_len + tagger_len + tagmsg_len;
1825 f4a881ce 2018-11-17 stsp buf = malloc(total);
1826 f4a881ce 2018-11-17 stsp if (buf == NULL)
1827 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1829 f4a881ce 2018-11-17 stsp itag = (struct got_imsg_tag_object *)buf;
1830 f4a881ce 2018-11-17 stsp memcpy(itag->id, tag->id.sha1, sizeof(itag->id));
1831 f4a881ce 2018-11-17 stsp itag->obj_type = tag->obj_type;
1832 f4a881ce 2018-11-17 stsp itag->tag_len = tag_len;
1833 f4a881ce 2018-11-17 stsp itag->tagger_len = tagger_len;
1834 f4a881ce 2018-11-17 stsp itag->tagger_time = tag->tagger_time;
1835 f4a881ce 2018-11-17 stsp itag->tagger_gmtoff = tag->tagger_gmtoff;
1836 f4a881ce 2018-11-17 stsp itag->tagmsg_len = tagmsg_len;
1838 f4a881ce 2018-11-17 stsp len = sizeof(*itag);
1839 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tag, tag_len);
1840 f4a881ce 2018-11-17 stsp len += tag_len;
1841 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tagger, tagger_len);
1842 f4a881ce 2018-11-17 stsp len += tagger_len;
1844 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG, 0, 0, -1, buf, len) == -1) {
1845 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG");
1846 f4a881ce 2018-11-17 stsp goto done;
1849 f4a881ce 2018-11-17 stsp if (tagmsg_len == 0 ||
1850 f4a881ce 2018-11-17 stsp tagmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1851 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1853 f4a881ce 2018-11-17 stsp goto done;
1855 f4a881ce 2018-11-17 stsp err = send_tagmsg(ibuf, tag, tagmsg_len);
1857 f4a881ce 2018-11-17 stsp free(buf);
1858 f4a881ce 2018-11-17 stsp return err;
1861 f4a881ce 2018-11-17 stsp const struct got_error *
1862 f4a881ce 2018-11-17 stsp got_privsep_recv_tag(struct got_tag_object **tag, struct imsgbuf *ibuf)
1864 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1865 f4a881ce 2018-11-17 stsp struct imsg imsg;
1866 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1867 f4a881ce 2018-11-17 stsp size_t len, datalen;
1868 f4a881ce 2018-11-17 stsp const size_t min_datalen =
1869 f4a881ce 2018-11-17 stsp MIN(sizeof(struct got_imsg_error),
1870 f4a881ce 2018-11-17 stsp sizeof(struct got_imsg_tag_object));
1872 f4a881ce 2018-11-17 stsp *tag = NULL;
1874 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1876 f4a881ce 2018-11-17 stsp return err;
1878 f4a881ce 2018-11-17 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1881 f4a881ce 2018-11-17 stsp switch (imsg.hdr.type) {
1882 f4a881ce 2018-11-17 stsp case GOT_IMSG_TAG:
1883 f4a881ce 2018-11-17 stsp if (datalen < sizeof(*itag)) {
1884 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1887 f4a881ce 2018-11-17 stsp itag = imsg.data;
1888 f4a881ce 2018-11-17 stsp if (datalen != sizeof(*itag) + itag->tag_len +
1889 f4a881ce 2018-11-17 stsp itag->tagger_len) {
1890 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1893 f4a881ce 2018-11-17 stsp len += sizeof(*itag);
1895 f4a881ce 2018-11-17 stsp *tag = calloc(1, sizeof(**tag));
1896 f4a881ce 2018-11-17 stsp if (*tag == NULL) {
1897 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
1901 f4a881ce 2018-11-17 stsp memcpy((*tag)->id.sha1, itag->id, SHA1_DIGEST_LENGTH);
1903 79b7acf3 2022-06-23 thomas (*tag)->tag = strndup(imsg.data + len, itag->tag_len);
1904 79b7acf3 2022-06-23 thomas if ((*tag)->tag == NULL) {
1905 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1908 f4a881ce 2018-11-17 stsp len += itag->tag_len;
1910 f4a881ce 2018-11-17 stsp (*tag)->obj_type = itag->obj_type;
1911 f4a881ce 2018-11-17 stsp (*tag)->tagger_time = itag->tagger_time;
1912 f4a881ce 2018-11-17 stsp (*tag)->tagger_gmtoff = itag->tagger_gmtoff;
1914 79b7acf3 2022-06-23 thomas (*tag)->tagger = strndup(imsg.data + len, itag->tagger_len);
1915 79b7acf3 2022-06-23 thomas if ((*tag)->tagger == NULL) {
1916 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1919 f4a881ce 2018-11-17 stsp len += itag->tagger_len;
1921 f4a881ce 2018-11-17 stsp if (itag->tagmsg_len == 0) {
1922 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = strdup("");
1923 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1924 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1928 f4a881ce 2018-11-17 stsp size_t offset = 0, remain = itag->tagmsg_len;
1930 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = malloc(itag->tagmsg_len + 1);
1931 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1932 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1935 f4a881ce 2018-11-17 stsp while (remain > 0) {
1936 f4a881ce 2018-11-17 stsp struct imsg imsg_log;
1937 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1940 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1942 f4a881ce 2018-11-17 stsp return err;
1944 f4a881ce 2018-11-17 stsp if (imsg_log.hdr.type != GOT_IMSG_TAG_TAGMSG)
1945 f4a881ce 2018-11-17 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
1947 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagmsg + offset, imsg_log.data,
1949 f4a881ce 2018-11-17 stsp imsg_free(&imsg_log);
1950 f4a881ce 2018-11-17 stsp offset += n;
1951 f4a881ce 2018-11-17 stsp remain -= n;
1953 f4a881ce 2018-11-17 stsp (*tag)->tagmsg[itag->tagmsg_len] = '\0';
1958 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1962 ff6b18f8 2018-04-24 stsp imsg_free(&imsg);
1964 2178c42e 2018-04-22 stsp return err;
1967 876c234b 2018-09-10 stsp const struct got_error *
1968 876c234b 2018-09-10 stsp got_privsep_init_pack_child(struct imsgbuf *ibuf, struct got_pack *pack,
1969 876c234b 2018-09-10 stsp struct got_packidx *packidx)
1971 41496140 2019-02-21 stsp const struct got_error *err = NULL;
1972 876c234b 2018-09-10 stsp struct got_imsg_packidx ipackidx;
1973 876c234b 2018-09-10 stsp struct got_imsg_pack ipack;
1976 c26ee7ad 2022-06-23 thomas memset(&ipackidx, 0, sizeof(ipackidx));
1977 c26ee7ad 2022-06-23 thomas memset(&ipack, 0, sizeof(ipack));
1979 876c234b 2018-09-10 stsp ipackidx.len = packidx->len;
1980 c3564dfa 2021-07-15 stsp ipackidx.packfile_size = pack->filesize;
1981 876c234b 2018-09-10 stsp fd = dup(packidx->fd);
1982 876c234b 2018-09-10 stsp if (fd == -1)
1983 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1985 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKIDX, 0, 0, fd, &ipackidx,
1986 41496140 2019-02-21 stsp sizeof(ipackidx)) == -1) {
1987 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACKIDX");
1988 41496140 2019-02-21 stsp close(fd);
1989 41496140 2019-02-21 stsp return err;
1992 876c234b 2018-09-10 stsp if (strlcpy(ipack.path_packfile, pack->path_packfile,
1993 876c234b 2018-09-10 stsp sizeof(ipack.path_packfile)) >= sizeof(ipack.path_packfile))
1994 876c234b 2018-09-10 stsp return got_error(GOT_ERR_NO_SPACE);
1995 876c234b 2018-09-10 stsp ipack.filesize = pack->filesize;
1997 876c234b 2018-09-10 stsp fd = dup(pack->fd);
1998 876c234b 2018-09-10 stsp if (fd == -1)
1999 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
2001 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACK, 0, 0, fd, &ipack, sizeof(ipack))
2003 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACK");
2004 41496140 2019-02-21 stsp close(fd);
2005 41496140 2019-02-21 stsp return err;
2008 876c234b 2018-09-10 stsp return flush_imsg(ibuf);
2011 876c234b 2018-09-10 stsp const struct got_error *
2012 106807b4 2018-09-15 stsp got_privsep_send_packed_obj_req(struct imsgbuf *ibuf, int idx,
2013 106807b4 2018-09-15 stsp struct got_object_id *id)
2015 876c234b 2018-09-10 stsp struct got_imsg_packed_object iobj;
2017 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
2018 876c234b 2018-09-10 stsp iobj.idx = idx;
2019 106807b4 2018-09-15 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
2021 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_OBJECT_REQUEST, 0, 0, -1,
2022 876c234b 2018-09-10 stsp &iobj, sizeof(iobj)) == -1)
2023 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose "
2024 230a42bd 2019-05-11 jcs "PACKED_OBJECT_REQUEST");
2026 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2029 aba9c984 2019-09-08 stsp const struct got_error *
2030 59d1e4a0 2021-03-10 stsp got_privsep_send_packed_raw_obj_req(struct imsgbuf *ibuf, int idx,
2031 59d1e4a0 2021-03-10 stsp struct got_object_id *id)
2033 59d1e4a0 2021-03-10 stsp struct got_imsg_packed_object iobj;
2035 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
2036 59d1e4a0 2021-03-10 stsp iobj.idx = idx;
2037 59d1e4a0 2021-03-10 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
2039 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_RAW_OBJECT_REQUEST, 0, 0, -1,
2040 59d1e4a0 2021-03-10 stsp &iobj, sizeof(iobj)) == -1)
2041 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose "
2042 59d1e4a0 2021-03-10 stsp "PACKED_OBJECT_REQUEST");
2044 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
2047 59d1e4a0 2021-03-10 stsp const struct got_error *
2048 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_parse_req(struct imsgbuf *ibuf, int fd)
2050 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2052 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_PARSE_REQUEST, 0, 0, fd,
2053 aba9c984 2019-09-08 stsp NULL, 0) == -1) {
2054 aba9c984 2019-09-08 stsp err = got_error_from_errno("imsg_compose "
2055 aba9c984 2019-09-08 stsp "GITCONFIG_PARSE_REQUEST");
2056 aba9c984 2019-09-08 stsp close(fd);
2057 aba9c984 2019-09-08 stsp return err;
2060 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2063 aba9c984 2019-09-08 stsp const struct got_error *
2064 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_repository_format_version_req(struct imsgbuf *ibuf)
2066 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2067 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST, 0, 0, -1,
2068 aba9c984 2019-09-08 stsp NULL, 0) == -1)
2069 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2070 aba9c984 2019-09-08 stsp "GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST");
2072 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2075 aba9c984 2019-09-08 stsp const struct got_error *
2076 20b7abb3 2020-10-22 stsp got_privsep_send_gitconfig_repository_extensions_req(struct imsgbuf *ibuf)
2078 20b7abb3 2020-10-22 stsp if (imsg_compose(ibuf,
2079 20b7abb3 2020-10-22 stsp GOT_IMSG_GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST, 0, 0, -1,
2080 20b7abb3 2020-10-22 stsp NULL, 0) == -1)
2081 20b7abb3 2020-10-22 stsp return got_error_from_errno("imsg_compose "
2082 20b7abb3 2020-10-22 stsp "GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST");
2084 20b7abb3 2020-10-22 stsp return flush_imsg(ibuf);
2088 20b7abb3 2020-10-22 stsp const struct got_error *
2089 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_name_req(struct imsgbuf *ibuf)
2091 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2092 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_NAME_REQUEST, 0, 0, -1, NULL, 0) == -1)
2093 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2094 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_NAME_REQUEST");
2096 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2099 aba9c984 2019-09-08 stsp const struct got_error *
2100 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_email_req(struct imsgbuf *ibuf)
2102 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2103 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_EMAIL_REQUEST, 0, 0, -1, NULL, 0) == -1)
2104 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2105 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_EMAIL_REQUEST");
2107 cd95becd 2019-11-29 stsp return flush_imsg(ibuf);
2110 cd95becd 2019-11-29 stsp const struct got_error *
2111 cd95becd 2019-11-29 stsp got_privsep_send_gitconfig_remotes_req(struct imsgbuf *ibuf)
2113 cd95becd 2019-11-29 stsp if (imsg_compose(ibuf,
2114 cd95becd 2019-11-29 stsp GOT_IMSG_GITCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2115 cd95becd 2019-11-29 stsp return got_error_from_errno("imsg_compose "
2116 cd95becd 2019-11-29 stsp "GITCONFIG_REMOTE_REQUEST");
2118 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2121 aba9c984 2019-09-08 stsp const struct got_error *
2122 9a1cc63f 2020-02-03 stsp got_privsep_send_gitconfig_owner_req(struct imsgbuf *ibuf)
2124 9a1cc63f 2020-02-03 stsp if (imsg_compose(ibuf,
2125 9a1cc63f 2020-02-03 stsp GOT_IMSG_GITCONFIG_OWNER_REQUEST, 0, 0, -1, NULL, 0) == -1)
2126 9a1cc63f 2020-02-03 stsp return got_error_from_errno("imsg_compose "
2127 9a1cc63f 2020-02-03 stsp "GITCONFIG_OWNER_REQUEST");
2129 9a1cc63f 2020-02-03 stsp return flush_imsg(ibuf);
2132 9a1cc63f 2020-02-03 stsp const struct got_error *
2133 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_str(char **str, struct imsgbuf *ibuf)
2135 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2136 aba9c984 2019-09-08 stsp struct imsg imsg;
2137 aba9c984 2019-09-08 stsp size_t datalen;
2139 aba9c984 2019-09-08 stsp *str = NULL;
2141 12a8238e 2022-06-23 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2143 aba9c984 2019-09-08 stsp return err;
2144 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2146 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2147 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_STR_VAL:
2148 aba9c984 2019-09-08 stsp if (datalen == 0)
2150 6c13dcd2 2020-09-18 stsp /* datalen does not include terminating \0 */
2151 6c13dcd2 2020-09-18 stsp *str = malloc(datalen + 1);
2152 aba9c984 2019-09-08 stsp if (*str == NULL) {
2153 aba9c984 2019-09-08 stsp err = got_error_from_errno("malloc");
2156 6c13dcd2 2020-09-18 stsp memcpy(*str, imsg.data, datalen);
2157 6c13dcd2 2020-09-18 stsp (*str)[datalen] = '\0';
2160 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2164 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2165 aba9c984 2019-09-08 stsp return err;
2168 aba9c984 2019-09-08 stsp const struct got_error *
2169 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_int(int *val, struct imsgbuf *ibuf)
2171 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2172 aba9c984 2019-09-08 stsp struct imsg imsg;
2173 aba9c984 2019-09-08 stsp size_t datalen;
2174 aba9c984 2019-09-08 stsp const size_t min_datalen =
2175 aba9c984 2019-09-08 stsp MIN(sizeof(struct got_imsg_error), sizeof(int));
2179 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2181 aba9c984 2019-09-08 stsp return err;
2182 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2184 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2185 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_INT_VAL:
2186 aba9c984 2019-09-08 stsp if (datalen != sizeof(*val)) {
2187 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2190 aba9c984 2019-09-08 stsp memcpy(val, imsg.data, sizeof(*val));
2193 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2197 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2198 cd95becd 2019-11-29 stsp return err;
2201 b8adfa55 2020-09-25 stsp static void
2202 b8adfa55 2020-09-25 stsp free_remote_data(struct got_remote_repo *remote)
2206 b8adfa55 2020-09-25 stsp free(remote->name);
2207 6480c871 2021-08-30 stsp free(remote->fetch_url);
2208 6480c871 2021-08-30 stsp free(remote->send_url);
2209 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_branches; i++)
2210 6480c871 2021-08-30 stsp free(remote->fetch_branches[i]);
2211 6480c871 2021-08-30 stsp free(remote->fetch_branches);
2212 6480c871 2021-08-30 stsp for (i = 0; i < remote->nsend_branches; i++)
2213 6480c871 2021-08-30 stsp free(remote->send_branches[i]);
2214 6480c871 2021-08-30 stsp free(remote->send_branches);
2215 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_refs; i++)
2216 6480c871 2021-08-30 stsp free(remote->fetch_refs[i]);
2217 6480c871 2021-08-30 stsp free(remote->fetch_refs);
2220 cd95becd 2019-11-29 stsp const struct got_error *
2221 cd95becd 2019-11-29 stsp got_privsep_recv_gitconfig_remotes(struct got_remote_repo **remotes,
2222 cd95becd 2019-11-29 stsp int *nremotes, struct imsgbuf *ibuf)
2224 cd95becd 2019-11-29 stsp const struct got_error *err = NULL;
2225 cd95becd 2019-11-29 stsp struct imsg imsg;
2226 cd95becd 2019-11-29 stsp size_t datalen;
2227 cd95becd 2019-11-29 stsp struct got_imsg_remotes iremotes;
2228 cd95becd 2019-11-29 stsp struct got_imsg_remote iremote;
2230 cd95becd 2019-11-29 stsp *remotes = NULL;
2231 cd95becd 2019-11-29 stsp *nremotes = 0;
2232 d669b9c9 2020-02-22 stsp iremotes.nremotes = 0;
2234 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremotes));
2236 cd95becd 2019-11-29 stsp return err;
2237 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2239 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2240 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTES:
2241 cd95becd 2019-11-29 stsp if (datalen != sizeof(iremotes)) {
2242 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2245 cd95becd 2019-11-29 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2246 cd95becd 2019-11-29 stsp if (iremotes.nremotes == 0) {
2247 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2248 cd95becd 2019-11-29 stsp return NULL;
2252 54b1c5b5 2020-02-22 stsp imsg_free(&imsg);
2253 54b1c5b5 2020-02-22 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2256 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2258 5146eb39 2020-03-20 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2259 cd95becd 2019-11-29 stsp if (*remotes == NULL)
2260 cd95becd 2019-11-29 stsp return got_error_from_errno("recallocarray");
2262 cd95becd 2019-11-29 stsp while (*nremotes < iremotes.nremotes) {
2263 cd95becd 2019-11-29 stsp struct got_remote_repo *remote;
2265 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremote));
2268 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2270 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2271 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTE:
2272 cd95becd 2019-11-29 stsp remote = &(*remotes)[*nremotes];
2273 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2274 cd95becd 2019-11-29 stsp if (datalen < sizeof(iremote)) {
2275 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2278 cd95becd 2019-11-29 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2279 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2280 6480c871 2021-08-30 stsp iremote.fetch_url_len == 0 ||
2281 6480c871 2021-08-30 stsp iremote.send_url_len == 0 ||
2282 cd95becd 2019-11-29 stsp (sizeof(iremote) + iremote.name_len +
2283 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) > datalen) {
2284 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2287 cd95becd 2019-11-29 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2288 cd95becd 2019-11-29 stsp iremote.name_len);
2289 cd95becd 2019-11-29 stsp if (remote->name == NULL) {
2290 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2293 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data + sizeof(iremote) +
2294 6480c871 2021-08-30 stsp iremote.name_len, iremote.fetch_url_len);
2295 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2296 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2297 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2300 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data + sizeof(iremote) +
2301 6480c871 2021-08-30 stsp iremote.name_len + iremote.fetch_url_len,
2302 6480c871 2021-08-30 stsp iremote.send_url_len);
2303 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2304 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2305 6480c871 2021-08-30 stsp free_remote_data(remote);
2308 469dd726 2020-03-20 stsp remote->mirror_references = iremote.mirror_references;
2309 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2310 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2311 6480c871 2021-08-30 stsp remote->fetch_branches = NULL;
2312 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2313 6480c871 2021-08-30 stsp remote->send_branches = NULL;
2314 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2315 6480c871 2021-08-30 stsp remote->fetch_refs = NULL;
2316 cd95becd 2019-11-29 stsp (*nremotes)++;
2319 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2323 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2328 cd95becd 2019-11-29 stsp if (err) {
2330 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2331 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2332 cd95becd 2019-11-29 stsp free(*remotes);
2333 cd95becd 2019-11-29 stsp *remotes = NULL;
2334 cd95becd 2019-11-29 stsp *nremotes = 0;
2336 aba9c984 2019-09-08 stsp return err;
2339 257add31 2020-09-09 stsp const struct got_error *
2340 257add31 2020-09-09 stsp got_privsep_send_gotconfig_parse_req(struct imsgbuf *ibuf, int fd)
2342 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2344 257add31 2020-09-09 stsp if (imsg_compose(ibuf, GOT_IMSG_GOTCONFIG_PARSE_REQUEST, 0, 0, fd,
2345 257add31 2020-09-09 stsp NULL, 0) == -1) {
2346 257add31 2020-09-09 stsp err = got_error_from_errno("imsg_compose "
2347 257add31 2020-09-09 stsp "GOTCONFIG_PARSE_REQUEST");
2348 257add31 2020-09-09 stsp close(fd);
2349 257add31 2020-09-09 stsp return err;
2352 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2355 257add31 2020-09-09 stsp const struct got_error *
2356 257add31 2020-09-09 stsp got_privsep_send_gotconfig_author_req(struct imsgbuf *ibuf)
2358 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2359 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_AUTHOR_REQUEST, 0, 0, -1, NULL, 0) == -1)
2360 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2361 257add31 2020-09-09 stsp "GOTCONFIG_AUTHOR_REQUEST");
2363 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2366 ca6e02ac 2020-01-07 stsp const struct got_error *
2367 257add31 2020-09-09 stsp got_privsep_send_gotconfig_remotes_req(struct imsgbuf *ibuf)
2369 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2370 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2371 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2372 257add31 2020-09-09 stsp "GOTCONFIG_REMOTE_REQUEST");
2374 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2377 257add31 2020-09-09 stsp const struct got_error *
2378 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_str(char **str, struct imsgbuf *ibuf)
2380 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2381 257add31 2020-09-09 stsp struct imsg imsg;
2382 257add31 2020-09-09 stsp size_t datalen;
2384 257add31 2020-09-09 stsp *str = NULL;
2386 12a8238e 2022-06-23 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2388 257add31 2020-09-09 stsp return err;
2389 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2391 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2392 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2393 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2395 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_STR_VAL:
2396 257add31 2020-09-09 stsp if (datalen == 0)
2398 5874ea87 2020-09-18 stsp /* datalen does not include terminating \0 */
2399 5874ea87 2020-09-18 stsp *str = malloc(datalen + 1);
2400 257add31 2020-09-09 stsp if (*str == NULL) {
2401 257add31 2020-09-09 stsp err = got_error_from_errno("malloc");
2404 5874ea87 2020-09-18 stsp memcpy(*str, imsg.data, datalen);
2405 5874ea87 2020-09-18 stsp (*str)[datalen] = '\0';
2408 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2412 257add31 2020-09-09 stsp imsg_free(&imsg);
2413 257add31 2020-09-09 stsp return err;
2416 257add31 2020-09-09 stsp const struct got_error *
2417 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_remotes(struct got_remote_repo **remotes,
2418 257add31 2020-09-09 stsp int *nremotes, struct imsgbuf *ibuf)
2420 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2421 257add31 2020-09-09 stsp struct imsg imsg;
2422 257add31 2020-09-09 stsp size_t datalen;
2423 257add31 2020-09-09 stsp struct got_imsg_remotes iremotes;
2424 257add31 2020-09-09 stsp struct got_imsg_remote iremote;
2425 257add31 2020-09-09 stsp const size_t min_datalen =
2426 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremotes));
2428 257add31 2020-09-09 stsp *remotes = NULL;
2429 257add31 2020-09-09 stsp *nremotes = 0;
2430 257add31 2020-09-09 stsp iremotes.nremotes = 0;
2432 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2434 257add31 2020-09-09 stsp return err;
2435 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2437 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2438 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2439 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2441 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTES:
2442 257add31 2020-09-09 stsp if (datalen != sizeof(iremotes)) {
2443 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2446 257add31 2020-09-09 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2447 31d32634 2022-06-23 thomas if (iremotes.nremotes < 0) {
2448 31d32634 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2451 257add31 2020-09-09 stsp if (iremotes.nremotes == 0) {
2452 257add31 2020-09-09 stsp imsg_free(&imsg);
2453 257add31 2020-09-09 stsp return NULL;
2457 257add31 2020-09-09 stsp imsg_free(&imsg);
2458 257add31 2020-09-09 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2461 257add31 2020-09-09 stsp imsg_free(&imsg);
2463 257add31 2020-09-09 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2464 257add31 2020-09-09 stsp if (*remotes == NULL)
2465 257add31 2020-09-09 stsp return got_error_from_errno("recallocarray");
2467 257add31 2020-09-09 stsp while (*nremotes < iremotes.nremotes) {
2468 257add31 2020-09-09 stsp struct got_remote_repo *remote;
2469 257add31 2020-09-09 stsp const size_t min_datalen =
2470 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremote));
2473 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2476 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2478 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2479 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2480 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2482 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTE:
2483 257add31 2020-09-09 stsp remote = &(*remotes)[*nremotes];
2484 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2485 257add31 2020-09-09 stsp if (datalen < sizeof(iremote)) {
2486 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2489 257add31 2020-09-09 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2490 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2491 6480c871 2021-08-30 stsp (iremote.fetch_url_len == 0 &&
2492 6480c871 2021-08-30 stsp iremote.send_url_len == 0) ||
2493 257add31 2020-09-09 stsp (sizeof(iremote) + iremote.name_len +
2494 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) >
2495 6480c871 2021-08-30 stsp datalen) {
2496 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2499 257add31 2020-09-09 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2500 257add31 2020-09-09 stsp iremote.name_len);
2501 257add31 2020-09-09 stsp if (remote->name == NULL) {
2502 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2505 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data +
2506 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len,
2507 6480c871 2021-08-30 stsp iremote.fetch_url_len);
2508 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2509 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2510 6480c871 2021-08-30 stsp free_remote_data(remote);
2513 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data +
2514 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len +
2515 6480c871 2021-08-30 stsp iremote.fetch_url_len, iremote.send_url_len);
2516 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2517 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2518 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2521 257add31 2020-09-09 stsp remote->mirror_references = iremote.mirror_references;
2522 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2523 6480c871 2021-08-30 stsp if (iremote.nfetch_branches > 0) {
2524 6480c871 2021-08-30 stsp remote->fetch_branches = recallocarray(NULL, 0,
2525 6480c871 2021-08-30 stsp iremote.nfetch_branches, sizeof(char *));
2526 6480c871 2021-08-30 stsp if (remote->fetch_branches == NULL) {
2527 b8adfa55 2020-09-25 stsp err = got_error_from_errno("calloc");
2528 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2532 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2533 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_branches; i++) {
2534 b8adfa55 2020-09-25 stsp char *branch;
2535 b8adfa55 2020-09-25 stsp err = got_privsep_recv_gotconfig_str(&branch,
2537 b8adfa55 2020-09-25 stsp if (err) {
2538 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2539 b8adfa55 2020-09-25 stsp goto done;
2541 6480c871 2021-08-30 stsp remote->fetch_branches[i] = branch;
2542 6480c871 2021-08-30 stsp remote->nfetch_branches++;
2544 6480c871 2021-08-30 stsp if (iremote.nsend_branches > 0) {
2545 6480c871 2021-08-30 stsp remote->send_branches = recallocarray(NULL, 0,
2546 6480c871 2021-08-30 stsp iremote.nsend_branches, sizeof(char *));
2547 6480c871 2021-08-30 stsp if (remote->send_branches == NULL) {
2548 99495ddb 2021-01-10 stsp err = got_error_from_errno("calloc");
2549 99495ddb 2021-01-10 stsp free_remote_data(remote);
2553 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2554 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nsend_branches; i++) {
2555 6480c871 2021-08-30 stsp char *branch;
2556 6480c871 2021-08-30 stsp err = got_privsep_recv_gotconfig_str(&branch,
2558 6480c871 2021-08-30 stsp if (err) {
2559 6480c871 2021-08-30 stsp free_remote_data(remote);
2560 6480c871 2021-08-30 stsp goto done;
2562 6480c871 2021-08-30 stsp remote->send_branches[i] = branch;
2563 6480c871 2021-08-30 stsp remote->nsend_branches++;
2565 6480c871 2021-08-30 stsp if (iremote.nfetch_refs > 0) {
2566 6480c871 2021-08-30 stsp remote->fetch_refs = recallocarray(NULL, 0,
2567 6480c871 2021-08-30 stsp iremote.nfetch_refs, sizeof(char *));
2568 6480c871 2021-08-30 stsp if (remote->fetch_refs == NULL) {
2569 6480c871 2021-08-30 stsp err = got_error_from_errno("calloc");
2570 6480c871 2021-08-30 stsp free_remote_data(remote);
2574 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2575 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_refs; i++) {
2576 99495ddb 2021-01-10 stsp char *ref;
2577 99495ddb 2021-01-10 stsp err = got_privsep_recv_gotconfig_str(&ref,
2579 99495ddb 2021-01-10 stsp if (err) {
2580 99495ddb 2021-01-10 stsp free_remote_data(remote);
2581 99495ddb 2021-01-10 stsp goto done;
2583 6480c871 2021-08-30 stsp remote->fetch_refs[i] = ref;
2584 6480c871 2021-08-30 stsp remote->nfetch_refs++;
2586 257add31 2020-09-09 stsp (*nremotes)++;
2589 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2593 257add31 2020-09-09 stsp imsg_free(&imsg);
2598 257add31 2020-09-09 stsp if (err) {
2600 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2601 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2602 257add31 2020-09-09 stsp free(*remotes);
2603 257add31 2020-09-09 stsp *remotes = NULL;
2604 257add31 2020-09-09 stsp *nremotes = 0;
2606 257add31 2020-09-09 stsp return err;
2609 257add31 2020-09-09 stsp const struct got_error *
2610 ca6e02ac 2020-01-07 stsp got_privsep_send_commit_traversal_request(struct imsgbuf *ibuf,
2611 abc59930 2021-09-05 naddy struct got_object_id *id, int idx, const char *path)
2613 ca6e02ac 2020-01-07 stsp struct ibuf *wbuf;
2614 ca6e02ac 2020-01-07 stsp size_t path_len = strlen(path) + 1;
2616 ca6e02ac 2020-01-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_COMMIT_TRAVERSAL_REQUEST, 0, 0,
2617 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_traversal_request) + path_len);
2618 ca6e02ac 2020-01-07 stsp if (wbuf == NULL)
2619 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
2620 ca6e02ac 2020-01-07 stsp "imsg_create COMMIT_TRAVERSAL_REQUEST");
2621 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1)
2622 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add "
2623 e9f1a409 2022-05-19 thomas "COMMIT_TRAVERSAL_REQUEST");
2624 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &idx, sizeof(idx)) == -1)
2625 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add "
2626 e9f1a409 2022-05-19 thomas "COMMIT_TRAVERSAL_REQUEST");
2627 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, path, path_len) == -1)
2628 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add "
2629 e9f1a409 2022-05-19 thomas "COMMIT_TRAVERSAL_REQUEST");
2631 ca6e02ac 2020-01-07 stsp wbuf->fd = -1;
2632 ca6e02ac 2020-01-07 stsp imsg_close(ibuf, wbuf);
2634 ca6e02ac 2020-01-07 stsp return flush_imsg(ibuf);
2637 ca6e02ac 2020-01-07 stsp const struct got_error *
2638 ca6e02ac 2020-01-07 stsp got_privsep_recv_traversed_commits(struct got_commit_object **changed_commit,
2639 ca6e02ac 2020-01-07 stsp struct got_object_id **changed_commit_id,
2640 ca6e02ac 2020-01-07 stsp struct got_object_id_queue *commit_ids, struct imsgbuf *ibuf)
2642 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
2643 ca6e02ac 2020-01-07 stsp struct imsg imsg;
2644 ca6e02ac 2020-01-07 stsp struct got_imsg_traversed_commits *icommits;
2645 ca6e02ac 2020-01-07 stsp size_t datalen;
2646 ca6e02ac 2020-01-07 stsp int i, done = 0;
2648 ca6e02ac 2020-01-07 stsp *changed_commit = NULL;
2649 ca6e02ac 2020-01-07 stsp *changed_commit_id = NULL;
2651 ca6e02ac 2020-01-07 stsp while (!done) {
2652 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2654 ca6e02ac 2020-01-07 stsp return err;
2656 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2657 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
2658 ca6e02ac 2020-01-07 stsp case GOT_IMSG_TRAVERSED_COMMITS:
2659 ca6e02ac 2020-01-07 stsp icommits = imsg.data;
2660 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommits) +
2661 ca6e02ac 2020-01-07 stsp icommits->ncommits * SHA1_DIGEST_LENGTH) {
2662 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2665 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommits->ncommits; i++) {
2666 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
2667 ca6e02ac 2020-01-07 stsp uint8_t *sha1 = (uint8_t *)imsg.data +
2668 ca6e02ac 2020-01-07 stsp sizeof(*icommits) + i * SHA1_DIGEST_LENGTH;
2669 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
2672 ec242592 2022-04-22 thomas memcpy(qid->id.sha1, sha1, SHA1_DIGEST_LENGTH);
2673 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(commit_ids, qid, entry);
2675 ca6e02ac 2020-01-07 stsp /* The last commit may contain a change. */
2676 ca6e02ac 2020-01-07 stsp if (i == icommits->ncommits - 1) {
2677 ca6e02ac 2020-01-07 stsp *changed_commit_id =
2678 ec242592 2022-04-22 thomas got_object_id_dup(&qid->id);
2679 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2680 ca6e02ac 2020-01-07 stsp err = got_error_from_errno(
2681 ca6e02ac 2020-01-07 stsp "got_object_id_dup");
2687 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
2688 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2689 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2692 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(changed_commit, &imsg,
2693 ca6e02ac 2020-01-07 stsp datalen, ibuf);
2695 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT_TRAVERSAL_DONE:
2699 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2703 ca6e02ac 2020-01-07 stsp imsg_free(&imsg);
2709 ca6e02ac 2020-01-07 stsp got_object_id_queue_free(commit_ids);
2710 ca6e02ac 2020-01-07 stsp return err;
2713 63915ee5 2022-06-23 thomas const struct got_error *
2714 63915ee5 2022-06-23 thomas got_privsep_send_enumerated_tree(size_t *totlen, struct imsgbuf *ibuf,
2715 63915ee5 2022-06-23 thomas struct got_object_id *tree_id, const char *path,
2716 63915ee5 2022-06-23 thomas struct got_parsed_tree_entry *entries, int nentries)
2718 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
2719 63915ee5 2022-06-23 thomas struct ibuf *wbuf;
2720 63915ee5 2022-06-23 thomas size_t path_len = strlen(path);
2721 63915ee5 2022-06-23 thomas size_t msglen;
2723 63915ee5 2022-06-23 thomas msglen = sizeof(struct got_imsg_enumerated_tree) + path_len;
2724 63915ee5 2022-06-23 thomas wbuf = imsg_create(ibuf, GOT_IMSG_ENUMERATED_TREE, 0, 0, msglen);
2725 63915ee5 2022-06-23 thomas if (wbuf == NULL)
2726 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_create ENUMERATED_TREE");
2728 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, tree_id->sha1, SHA1_DIGEST_LENGTH) == -1)
2729 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_TREE");
2730 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, &nentries, sizeof(nentries)) == -1)
2731 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_TREE");
2732 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, path, path_len) == -1)
2733 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_TREE");
2735 63915ee5 2022-06-23 thomas wbuf->fd = -1;
2736 63915ee5 2022-06-23 thomas imsg_close(ibuf, wbuf);
2738 63915ee5 2022-06-23 thomas if (entries) {
2739 63915ee5 2022-06-23 thomas err = send_tree_entries(ibuf, entries, nentries);
2740 63915ee5 2022-06-23 thomas if (err)
2741 63915ee5 2022-06-23 thomas return err;
2744 63915ee5 2022-06-23 thomas return flush_imsg(ibuf);
2747 f9c2e8e5 2022-02-13 thomas const struct got_error *
2748 63915ee5 2022-06-23 thomas got_privsep_send_object_enumeration_request(struct imsgbuf *ibuf)
2750 63915ee5 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_REQUEST,
2751 63915ee5 2022-06-23 thomas 0, 0, -1, NULL, 0) == -1)
2752 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_compose "
2753 63915ee5 2022-06-23 thomas "OBJECT_ENUMERATION_REQUEST");
2755 63915ee5 2022-06-23 thomas return flush_imsg(ibuf);
2758 63915ee5 2022-06-23 thomas const struct got_error *
2759 63915ee5 2022-06-23 thomas got_privsep_send_object_enumeration_done(struct imsgbuf *ibuf)
2761 63915ee5 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_DONE,
2762 63915ee5 2022-06-23 thomas 0, 0, -1, NULL, 0) == -1)
2763 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_compose "
2764 63915ee5 2022-06-23 thomas "OBJECT_ENUMERATION_DONE");
2766 63915ee5 2022-06-23 thomas return flush_imsg(ibuf);
2769 63915ee5 2022-06-23 thomas const struct got_error *
2770 e71f1e62 2022-06-23 thomas got_privsep_send_object_enumeration_incomplete(struct imsgbuf *ibuf)
2772 e71f1e62 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_INCOMPLETE,
2773 e71f1e62 2022-06-23 thomas 0, 0, -1, NULL, 0) == -1)
2774 e71f1e62 2022-06-23 thomas return got_error_from_errno("imsg_compose "
2775 e71f1e62 2022-06-23 thomas "OBJECT_ENUMERATION_INCOMPLETE");
2777 e71f1e62 2022-06-23 thomas return flush_imsg(ibuf);
2780 e71f1e62 2022-06-23 thomas const struct got_error *
2781 63915ee5 2022-06-23 thomas got_privsep_send_enumerated_commit(struct imsgbuf *ibuf,
2782 63915ee5 2022-06-23 thomas struct got_object_id *id, time_t mtime)
2784 63915ee5 2022-06-23 thomas struct ibuf *wbuf;
2786 63915ee5 2022-06-23 thomas wbuf = imsg_create(ibuf, GOT_IMSG_ENUMERATED_COMMIT, 0, 0,
2787 63915ee5 2022-06-23 thomas sizeof(struct got_imsg_enumerated_commit) + SHA1_DIGEST_LENGTH);
2788 63915ee5 2022-06-23 thomas if (wbuf == NULL)
2789 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_create ENUMERATED_COMMIT");
2791 63915ee5 2022-06-23 thomas /* Keep in sync with struct got_imsg_enumerated_commit! */
2792 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, id, SHA1_DIGEST_LENGTH) == -1)
2793 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_COMMIT");
2794 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, &mtime, sizeof(mtime)) == -1)
2795 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_COMMIT");
2797 63915ee5 2022-06-23 thomas wbuf->fd = -1;
2798 63915ee5 2022-06-23 thomas imsg_close(ibuf, wbuf);
2799 63915ee5 2022-06-23 thomas /* Don't flush yet, tree entries or ENUMERATION_DONE will follow. */
2800 63915ee5 2022-06-23 thomas return NULL;
2803 63915ee5 2022-06-23 thomas const struct got_error *
2804 e71f1e62 2022-06-23 thomas got_privsep_recv_enumerated_objects(int *found_all_objects,
2805 e71f1e62 2022-06-23 thomas struct imsgbuf *ibuf,
2806 63915ee5 2022-06-23 thomas got_object_enumerate_commit_cb cb_commit,
2807 63915ee5 2022-06-23 thomas got_object_enumerate_tree_cb cb_tree, void *cb_arg,
2808 63915ee5 2022-06-23 thomas struct got_repository *repo)
2810 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
2811 63915ee5 2022-06-23 thomas struct imsg imsg;
2812 63915ee5 2022-06-23 thomas struct got_imsg_enumerated_commit *icommit = NULL;
2813 63915ee5 2022-06-23 thomas struct got_object_id commit_id;
2814 63915ee5 2022-06-23 thomas int have_commit = 0;
2815 63915ee5 2022-06-23 thomas time_t mtime = 0;
2816 63915ee5 2022-06-23 thomas struct got_tree_object tree;
2817 63915ee5 2022-06-23 thomas struct got_imsg_enumerated_tree *itree;
2818 63915ee5 2022-06-23 thomas struct got_object_id tree_id;
2819 63915ee5 2022-06-23 thomas char *path = NULL, *canon_path = NULL;
2820 63915ee5 2022-06-23 thomas size_t datalen, path_len;
2821 63915ee5 2022-06-23 thomas int nentries = -1;
2822 63915ee5 2022-06-23 thomas int done = 0;
2824 e71f1e62 2022-06-23 thomas *found_all_objects = 0;
2825 63915ee5 2022-06-23 thomas memset(&tree, 0, sizeof(tree));
2827 63915ee5 2022-06-23 thomas while (!done) {
2828 63915ee5 2022-06-23 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2829 63915ee5 2022-06-23 thomas if (err)
2832 63915ee5 2022-06-23 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2833 63915ee5 2022-06-23 thomas switch (imsg.hdr.type) {
2834 77402035 2022-06-23 thomas case GOT_IMSG_ENUMERATED_COMMIT:
2835 63915ee5 2022-06-23 thomas if (have_commit && nentries != -1) {
2836 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2839 63915ee5 2022-06-23 thomas if (datalen != sizeof(*icommit)) {
2840 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2843 63915ee5 2022-06-23 thomas icommit = (struct got_imsg_enumerated_commit *)imsg.data;
2844 63915ee5 2022-06-23 thomas memcpy(commit_id.sha1, icommit->id, SHA1_DIGEST_LENGTH);
2845 63915ee5 2022-06-23 thomas mtime = icommit->mtime;
2846 63915ee5 2022-06-23 thomas have_commit = 1;
2848 63915ee5 2022-06-23 thomas case GOT_IMSG_ENUMERATED_TREE:
2849 63915ee5 2022-06-23 thomas /* Should be preceeded by GOT_IMSG_ENUMERATED_COMMIT. */
2850 63915ee5 2022-06-23 thomas if (!have_commit) {
2851 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2854 63915ee5 2022-06-23 thomas if (datalen < sizeof(*itree)) {
2855 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2858 63915ee5 2022-06-23 thomas itree = imsg.data;
2859 63915ee5 2022-06-23 thomas path_len = datalen - sizeof(*itree);
2860 63915ee5 2022-06-23 thomas if (path_len == 0) {
2861 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2864 63915ee5 2022-06-23 thomas memcpy(tree_id.sha1, itree->id, sizeof(tree_id.sha1));
2865 63915ee5 2022-06-23 thomas free(path);
2866 63915ee5 2022-06-23 thomas path = malloc(path_len + 1);
2867 63915ee5 2022-06-23 thomas if (path == NULL) {
2868 63915ee5 2022-06-23 thomas err = got_error_from_errno("malloc");
2871 63915ee5 2022-06-23 thomas free(canon_path);
2872 63915ee5 2022-06-23 thomas canon_path = malloc(path_len + 1);
2873 63915ee5 2022-06-23 thomas if (canon_path == NULL) {
2874 63915ee5 2022-06-23 thomas err = got_error_from_errno("malloc");
2877 63915ee5 2022-06-23 thomas memcpy(path, (uint8_t *)imsg.data + sizeof(*itree),
2878 63915ee5 2022-06-23 thomas path_len);
2879 63915ee5 2022-06-23 thomas path[path_len] = '\0';
2880 63915ee5 2022-06-23 thomas if (!got_path_is_absolute(path)) {
2881 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_BAD_PATH);
2884 63915ee5 2022-06-23 thomas if (got_path_is_root_dir(path)) {
2885 63915ee5 2022-06-23 thomas /* XXX check what got_canonpath() does wrong */
2886 63915ee5 2022-06-23 thomas canon_path[0] = '/';
2887 63915ee5 2022-06-23 thomas canon_path[1] = '\0';
2888 63915ee5 2022-06-23 thomas } else {
2889 63915ee5 2022-06-23 thomas err = got_canonpath(path, canon_path,
2890 63915ee5 2022-06-23 thomas path_len + 1);
2891 63915ee5 2022-06-23 thomas if (err)
2894 63915ee5 2022-06-23 thomas if (strcmp(path, canon_path) != 0) {
2895 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_BAD_PATH);
2898 63915ee5 2022-06-23 thomas if (nentries != -1) {
2899 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2902 63915ee5 2022-06-23 thomas if (itree->nentries < -1) {
2903 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2906 63915ee5 2022-06-23 thomas if (itree->nentries == -1) {
2907 63915ee5 2022-06-23 thomas /* Tree was not found in pack file. */
2908 63915ee5 2022-06-23 thomas err = cb_tree(cb_arg, NULL, mtime, &tree_id,
2909 63915ee5 2022-06-23 thomas path, repo);
2912 63915ee5 2022-06-23 thomas if (itree->nentries > INT_MAX) {
2913 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2916 63915ee5 2022-06-23 thomas tree.entries = calloc(itree->nentries,
2917 63915ee5 2022-06-23 thomas sizeof(struct got_tree_entry));
2918 63915ee5 2022-06-23 thomas if (tree.entries == NULL) {
2919 63915ee5 2022-06-23 thomas err = got_error_from_errno("calloc");
2922 63915ee5 2022-06-23 thomas if (itree->nentries == 0) {
2923 63915ee5 2022-06-23 thomas err = cb_tree(cb_arg, &tree, mtime, &tree_id,
2924 63915ee5 2022-06-23 thomas path, repo);
2925 63915ee5 2022-06-23 thomas if (err)
2928 63915ee5 2022-06-23 thomas /* Prepare for next tree. */
2929 63915ee5 2022-06-23 thomas free(tree.entries);
2930 63915ee5 2022-06-23 thomas memset(&tree, 0, sizeof(tree));
2931 63915ee5 2022-06-23 thomas nentries = -1;
2932 63915ee5 2022-06-23 thomas } else {
2933 63915ee5 2022-06-23 thomas tree.nentries = itree->nentries;
2934 63915ee5 2022-06-23 thomas nentries = 0;
2937 63915ee5 2022-06-23 thomas case GOT_IMSG_TREE_ENTRIES:
2938 63915ee5 2022-06-23 thomas /* Should be preceeded by GOT_IMSG_ENUMERATED_TREE. */
2939 63915ee5 2022-06-23 thomas if (nentries <= -1) {
2940 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2943 63915ee5 2022-06-23 thomas err = recv_tree_entries(imsg.data, datalen,
2944 63915ee5 2022-06-23 thomas &tree, &nentries);
2945 63915ee5 2022-06-23 thomas if (err)
2947 63915ee5 2022-06-23 thomas if (tree.nentries == nentries) {
2948 63915ee5 2022-06-23 thomas err = cb_tree(cb_arg, &tree, mtime, &tree_id,
2949 63915ee5 2022-06-23 thomas path, repo);
2950 63915ee5 2022-06-23 thomas if (err)
2953 63915ee5 2022-06-23 thomas /* Prepare for next tree. */
2954 63915ee5 2022-06-23 thomas free(tree.entries);
2955 63915ee5 2022-06-23 thomas memset(&tree, 0, sizeof(tree));
2956 63915ee5 2022-06-23 thomas nentries = -1;
2959 63915ee5 2022-06-23 thomas case GOT_IMSG_TREE_ENUMERATION_DONE:
2960 63915ee5 2022-06-23 thomas /* All trees have been found and traversed. */
2961 63915ee5 2022-06-23 thomas if (!have_commit || path == NULL || nentries != -1) {
2962 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2965 63915ee5 2022-06-23 thomas err = cb_commit(cb_arg, mtime, &commit_id, repo);
2966 63915ee5 2022-06-23 thomas if (err)
2968 63915ee5 2022-06-23 thomas have_commit = 0;
2970 63915ee5 2022-06-23 thomas case GOT_IMSG_OBJECT_ENUMERATION_DONE:
2971 e71f1e62 2022-06-23 thomas *found_all_objects = 1;
2972 e71f1e62 2022-06-23 thomas done = 1;
2974 e71f1e62 2022-06-23 thomas case GOT_IMSG_OBJECT_ENUMERATION_INCOMPLETE:
2975 63915ee5 2022-06-23 thomas done = 1;
2977 63915ee5 2022-06-23 thomas default:
2978 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2982 63915ee5 2022-06-23 thomas imsg_free(&imsg);
2983 63915ee5 2022-06-23 thomas if (err)
2987 63915ee5 2022-06-23 thomas free(path);
2988 63915ee5 2022-06-23 thomas free(canon_path);
2989 63915ee5 2022-06-23 thomas free(tree.entries);
2990 63915ee5 2022-06-23 thomas return err;
2993 63915ee5 2022-06-23 thomas const struct got_error *
2994 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta_req(struct imsgbuf *ibuf, int idx,
2995 f9c2e8e5 2022-02-13 thomas struct got_object_id *id)
2997 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta_request dreq;
2999 c26ee7ad 2022-06-23 thomas memset(&dreq, 0, sizeof(dreq));
3000 f9c2e8e5 2022-02-13 thomas dreq.idx = idx;
3001 f9c2e8e5 2022-02-13 thomas memcpy(dreq.id, id->sha1, SHA1_DIGEST_LENGTH);
3003 f9c2e8e5 2022-02-13 thomas if (imsg_compose(ibuf, GOT_IMSG_RAW_DELTA_REQUEST, 0, 0, -1,
3004 f9c2e8e5 2022-02-13 thomas &dreq, sizeof(dreq)) == -1)
3005 f9c2e8e5 2022-02-13 thomas return got_error_from_errno("imsg_compose RAW_DELTA_REQUEST");
3007 f9c2e8e5 2022-02-13 thomas return flush_imsg(ibuf);
3010 f9c2e8e5 2022-02-13 thomas const struct got_error *
3011 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta_outfd(struct imsgbuf *ibuf, int fd)
3013 f9c2e8e5 2022-02-13 thomas return send_fd(ibuf, GOT_IMSG_RAW_DELTA_OUTFD, fd);
3016 f9c2e8e5 2022-02-13 thomas const struct got_error *
3017 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta(struct imsgbuf *ibuf, uint64_t base_size,
3018 9249e7e3 2022-05-12 thomas uint64_t result_size, off_t delta_size, off_t delta_compressed_size,
3019 9249e7e3 2022-05-12 thomas off_t delta_offset, off_t delta_out_offset, struct got_object_id *base_id)
3021 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta idelta;
3022 f9c2e8e5 2022-02-13 thomas int ret;
3024 c26ee7ad 2022-06-23 thomas memset(&idelta, 0, sizeof(idelta));
3025 f9c2e8e5 2022-02-13 thomas idelta.base_size = base_size;
3026 f9c2e8e5 2022-02-13 thomas idelta.result_size = result_size;
3027 f9c2e8e5 2022-02-13 thomas idelta.delta_size = delta_size;
3028 9249e7e3 2022-05-12 thomas idelta.delta_compressed_size = delta_compressed_size;
3029 f9c2e8e5 2022-02-13 thomas idelta.delta_offset = delta_offset;
3030 f9c2e8e5 2022-02-13 thomas idelta.delta_out_offset = delta_out_offset;
3031 f9c2e8e5 2022-02-13 thomas memcpy(idelta.base_id, base_id->sha1, SHA1_DIGEST_LENGTH);
3033 f9c2e8e5 2022-02-13 thomas ret = imsg_compose(ibuf, GOT_IMSG_RAW_DELTA, 0, 0, -1,
3034 f9c2e8e5 2022-02-13 thomas &idelta, sizeof(idelta));
3035 f9c2e8e5 2022-02-13 thomas if (ret == -1)
3036 f9c2e8e5 2022-02-13 thomas return got_error_from_errno("imsg_compose RAW_DELTA");
3038 f9c2e8e5 2022-02-13 thomas return flush_imsg(ibuf);
3041 ca6e02ac 2020-01-07 stsp const struct got_error *
3042 f9c2e8e5 2022-02-13 thomas got_privsep_recv_raw_delta(uint64_t *base_size, uint64_t *result_size,
3043 9249e7e3 2022-05-12 thomas off_t *delta_size, off_t *delta_compressed_size, off_t *delta_offset,
3044 9249e7e3 2022-05-12 thomas off_t *delta_out_offset, struct got_object_id **base_id, struct imsgbuf *ibuf)
3046 f9c2e8e5 2022-02-13 thomas const struct got_error *err = NULL;
3047 f9c2e8e5 2022-02-13 thomas struct imsg imsg;
3048 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta *delta;
3049 f9c2e8e5 2022-02-13 thomas size_t datalen;
3051 f9c2e8e5 2022-02-13 thomas *base_size = 0;
3052 f9c2e8e5 2022-02-13 thomas *result_size = 0;
3053 f9c2e8e5 2022-02-13 thomas *delta_size = 0;
3054 9249e7e3 2022-05-12 thomas *delta_compressed_size = 0;
3055 f9c2e8e5 2022-02-13 thomas *delta_offset = 0;
3056 f9c2e8e5 2022-02-13 thomas *delta_out_offset = 0;
3057 f9c2e8e5 2022-02-13 thomas *base_id = NULL;
3059 f9c2e8e5 2022-02-13 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3060 f9c2e8e5 2022-02-13 thomas if (err)
3061 f9c2e8e5 2022-02-13 thomas return err;
3063 f9c2e8e5 2022-02-13 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3065 f9c2e8e5 2022-02-13 thomas switch (imsg.hdr.type) {
3066 f9c2e8e5 2022-02-13 thomas case GOT_IMSG_RAW_DELTA:
3067 f9c2e8e5 2022-02-13 thomas if (datalen != sizeof(*delta)) {
3068 f9c2e8e5 2022-02-13 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3071 f9c2e8e5 2022-02-13 thomas delta = imsg.data;
3072 f9c2e8e5 2022-02-13 thomas *base_size = delta->base_size;
3073 f9c2e8e5 2022-02-13 thomas *result_size = delta->result_size;
3074 f9c2e8e5 2022-02-13 thomas *delta_size = delta->delta_size;
3075 9249e7e3 2022-05-12 thomas *delta_compressed_size = delta->delta_compressed_size;
3076 f9c2e8e5 2022-02-13 thomas *delta_offset = delta->delta_offset;
3077 f9c2e8e5 2022-02-13 thomas *delta_out_offset = delta->delta_out_offset;
3078 f9c2e8e5 2022-02-13 thomas *base_id = calloc(1, sizeof(**base_id));
3079 f9c2e8e5 2022-02-13 thomas if (*base_id == NULL) {
3080 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("malloc");
3083 f9c2e8e5 2022-02-13 thomas memcpy((*base_id)->sha1, delta->base_id, SHA1_DIGEST_LENGTH);
3085 f9c2e8e5 2022-02-13 thomas default:
3086 f9c2e8e5 2022-02-13 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3090 f9c2e8e5 2022-02-13 thomas imsg_free(&imsg);
3092 f9c2e8e5 2022-02-13 thomas if (err) {
3093 f9c2e8e5 2022-02-13 thomas free(*base_id);
3094 f9c2e8e5 2022-02-13 thomas *base_id = NULL;
3096 7d0d4920 2022-05-12 thomas return err;
3099 63915ee5 2022-06-23 thomas static const struct got_error *
3100 63915ee5 2022-06-23 thomas send_idlist(struct imsgbuf *ibuf, struct got_object_id **ids, size_t nids)
3102 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3103 7d0d4920 2022-05-12 thomas struct got_imsg_object_idlist idlist;
3104 7d0d4920 2022-05-12 thomas struct ibuf *wbuf;
3105 7d0d4920 2022-05-12 thomas size_t i;
3107 c26ee7ad 2022-06-23 thomas memset(&idlist, 0, sizeof(idlist));
3109 7d0d4920 2022-05-12 thomas if (nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS)
3110 7d0d4920 2022-05-12 thomas return got_error(GOT_ERR_NO_SPACE);
3112 7d0d4920 2022-05-12 thomas wbuf = imsg_create(ibuf, GOT_IMSG_OBJ_ID_LIST, 0, 0,
3113 7d0d4920 2022-05-12 thomas sizeof(idlist) + nids * sizeof(**ids));
3114 7d0d4920 2022-05-12 thomas if (wbuf == NULL) {
3115 7d0d4920 2022-05-12 thomas err = got_error_from_errno("imsg_create OBJ_ID_LIST");
3116 7d0d4920 2022-05-12 thomas return err;
3119 7d0d4920 2022-05-12 thomas idlist.nids = nids;
3120 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &idlist, sizeof(idlist)) == -1)
3121 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add OBJ_ID_LIST");
3123 7d0d4920 2022-05-12 thomas for (i = 0; i < nids; i++) {
3124 7d0d4920 2022-05-12 thomas struct got_object_id *id = ids[i];
3125 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, id, sizeof(*id)) == -1)
3126 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add OBJ_ID_LIST");
3129 7d0d4920 2022-05-12 thomas wbuf->fd = -1;
3130 7d0d4920 2022-05-12 thomas imsg_close(ibuf, wbuf);
3132 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3135 7d0d4920 2022-05-12 thomas const struct got_error *
3136 63915ee5 2022-06-23 thomas got_privsep_send_object_idlist(struct imsgbuf *ibuf,
3137 63915ee5 2022-06-23 thomas struct got_object_id **ids, size_t nids)
3139 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
3140 63915ee5 2022-06-23 thomas struct got_object_id *idlist[GOT_IMSG_OBJ_ID_LIST_MAX_NIDS];
3141 ef53e23c 2022-06-23 thomas int i, queued = 0;
3143 77402035 2022-06-23 thomas for (i = 0; i < nids; i++) {
3144 ef53e23c 2022-06-23 thomas idlist[i % nitems(idlist)] = ids[i];
3145 ef53e23c 2022-06-23 thomas queued++;
3146 8f3ec65d 2022-06-23 thomas if (queued >= nitems(idlist)) {
3147 ef53e23c 2022-06-23 thomas err = send_idlist(ibuf, idlist, queued);
3148 63915ee5 2022-06-23 thomas if (err)
3149 63915ee5 2022-06-23 thomas return err;
3150 ef53e23c 2022-06-23 thomas queued = 0;
3154 ef53e23c 2022-06-23 thomas if (queued > 0) {
3155 ef53e23c 2022-06-23 thomas err = send_idlist(ibuf, idlist, queued);
3156 63915ee5 2022-06-23 thomas if (err)
3157 63915ee5 2022-06-23 thomas return err;
3160 63915ee5 2022-06-23 thomas return NULL;
3163 63915ee5 2022-06-23 thomas const struct got_error *
3164 7d0d4920 2022-05-12 thomas got_privsep_send_object_idlist_done(struct imsgbuf *ibuf)
3166 7d0d4920 2022-05-12 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJ_ID_LIST_DONE, 0, 0, -1, NULL, 0)
3168 7d0d4920 2022-05-12 thomas return got_error_from_errno("imsg_compose OBJ_ID_LIST_DONE");
3170 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3173 7d0d4920 2022-05-12 thomas const struct got_error *
3174 7d0d4920 2022-05-12 thomas got_privsep_recv_object_idlist(int *done, struct got_object_id **ids,
3175 7d0d4920 2022-05-12 thomas size_t *nids, struct imsgbuf *ibuf)
3177 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3178 7d0d4920 2022-05-12 thomas struct imsg imsg;
3179 7d0d4920 2022-05-12 thomas struct got_imsg_object_idlist *idlist;
3180 7d0d4920 2022-05-12 thomas size_t datalen;
3182 7d0d4920 2022-05-12 thomas *ids = NULL;
3183 7d0d4920 2022-05-12 thomas *done = 0;
3184 7d0d4920 2022-05-12 thomas *nids = 0;
3186 7d0d4920 2022-05-12 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3187 7d0d4920 2022-05-12 thomas if (err)
3188 7d0d4920 2022-05-12 thomas return err;
3190 7d0d4920 2022-05-12 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3191 7d0d4920 2022-05-12 thomas switch (imsg.hdr.type) {
3192 7d0d4920 2022-05-12 thomas case GOT_IMSG_OBJ_ID_LIST:
3193 7d0d4920 2022-05-12 thomas if (datalen < sizeof(*idlist)) {
3194 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3197 7d0d4920 2022-05-12 thomas idlist = imsg.data;
3198 31d32634 2022-06-23 thomas if (idlist->nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS ||
3199 31d32634 2022-06-23 thomas idlist->nids * sizeof(**ids) > datalen - sizeof(*idlist)) {
3200 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3203 7d0d4920 2022-05-12 thomas *nids = idlist->nids;
3204 7d0d4920 2022-05-12 thomas *ids = calloc(*nids, sizeof(**ids));
3205 7d0d4920 2022-05-12 thomas if (*ids == NULL) {
3206 7d0d4920 2022-05-12 thomas err = got_error_from_errno("calloc");
3209 623d55de 2022-06-23 thomas memcpy(*ids, (uint8_t *)imsg.data + sizeof(*idlist),
3210 7d0d4920 2022-05-12 thomas *nids * sizeof(**ids));
3212 7d0d4920 2022-05-12 thomas case GOT_IMSG_OBJ_ID_LIST_DONE:
3213 7d0d4920 2022-05-12 thomas *done = 1;
3215 7d0d4920 2022-05-12 thomas default:
3216 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3220 7d0d4920 2022-05-12 thomas imsg_free(&imsg);
3222 7d0d4920 2022-05-12 thomas return err;
3225 7d0d4920 2022-05-12 thomas const struct got_error *
3226 7d0d4920 2022-05-12 thomas got_privsep_send_delta_reuse_req(struct imsgbuf *ibuf)
3228 7d0d4920 2022-05-12 thomas if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_REQUEST, 0, 0, -1, NULL, 0)
3230 7d0d4920 2022-05-12 thomas return got_error_from_errno("imsg_compose DELTA_REUSE_REQUEST");
3232 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3235 7d0d4920 2022-05-12 thomas const struct got_error *
3236 7d0d4920 2022-05-12 thomas got_privsep_send_reused_deltas(struct imsgbuf *ibuf,
3237 7d0d4920 2022-05-12 thomas struct got_imsg_reused_delta *deltas, size_t ndeltas)
3239 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3240 7d0d4920 2022-05-12 thomas struct ibuf *wbuf;
3241 7d0d4920 2022-05-12 thomas struct got_imsg_reused_deltas ideltas;
3242 7d0d4920 2022-05-12 thomas size_t i;
3244 c26ee7ad 2022-06-23 thomas memset(&ideltas, 0, sizeof(ideltas));
3246 7d0d4920 2022-05-12 thomas if (ndeltas > GOT_IMSG_REUSED_DELTAS_MAX_NDELTAS)
3247 7d0d4920 2022-05-12 thomas return got_error(GOT_ERR_NO_SPACE);
3249 7d0d4920 2022-05-12 thomas wbuf = imsg_create(ibuf, GOT_IMSG_REUSED_DELTAS, 0, 0,
3250 7d0d4920 2022-05-12 thomas sizeof(ideltas) + ndeltas * sizeof(*deltas));
3251 7d0d4920 2022-05-12 thomas if (wbuf == NULL) {
3252 7d0d4920 2022-05-12 thomas err = got_error_from_errno("imsg_create REUSED_DELTAS");
3253 7d0d4920 2022-05-12 thomas return err;
3256 7d0d4920 2022-05-12 thomas ideltas.ndeltas = ndeltas;
3257 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &ideltas, sizeof(ideltas)) == -1)
3258 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add REUSED_DELTAS");
3260 7d0d4920 2022-05-12 thomas for (i = 0; i < ndeltas; i++) {
3261 7d0d4920 2022-05-12 thomas struct got_imsg_reused_delta *delta = &deltas[i];
3262 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, delta, sizeof(*delta)) == -1)
3263 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add REUSED_DELTAS");
3266 7d0d4920 2022-05-12 thomas wbuf->fd = -1;
3267 7d0d4920 2022-05-12 thomas imsg_close(ibuf, wbuf);
3269 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3272 7d0d4920 2022-05-12 thomas const struct got_error *
3273 7d0d4920 2022-05-12 thomas got_privsep_send_reused_deltas_done(struct imsgbuf *ibuf)
3275 7d0d4920 2022-05-12 thomas if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_DONE, 0, 0, -1, NULL, 0)
3277 7d0d4920 2022-05-12 thomas return got_error_from_errno("imsg_compose DELTA_REUSE_DONE");
3279 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3282 7d0d4920 2022-05-12 thomas const struct got_error *
3283 7d0d4920 2022-05-12 thomas got_privsep_recv_reused_deltas(int *done, struct got_imsg_reused_delta *deltas,
3284 7d0d4920 2022-05-12 thomas size_t *ndeltas, struct imsgbuf *ibuf)
3286 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3287 7d0d4920 2022-05-12 thomas struct imsg imsg;
3288 7d0d4920 2022-05-12 thomas struct got_imsg_reused_deltas *ideltas;
3289 7d0d4920 2022-05-12 thomas size_t datalen;
3291 7d0d4920 2022-05-12 thomas *done = 0;
3292 7d0d4920 2022-05-12 thomas *ndeltas = 0;
3294 7d0d4920 2022-05-12 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3295 7d0d4920 2022-05-12 thomas if (err)
3296 7d0d4920 2022-05-12 thomas return err;
3298 7d0d4920 2022-05-12 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3299 7d0d4920 2022-05-12 thomas switch (imsg.hdr.type) {
3300 7d0d4920 2022-05-12 thomas case GOT_IMSG_REUSED_DELTAS:
3301 7d0d4920 2022-05-12 thomas if (datalen < sizeof(*ideltas)) {
3302 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3305 7d0d4920 2022-05-12 thomas ideltas = imsg.data;
3306 31d32634 2022-06-23 thomas if (ideltas->ndeltas > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS ||
3307 31d32634 2022-06-23 thomas ideltas->ndeltas * sizeof(*deltas) >
3308 31d32634 2022-06-23 thomas datalen - sizeof(*ideltas)) {
3309 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3312 7d0d4920 2022-05-12 thomas *ndeltas = ideltas->ndeltas;
3313 623d55de 2022-06-23 thomas memcpy(deltas, (uint8_t *)imsg.data + sizeof(*ideltas),
3314 7d0d4920 2022-05-12 thomas *ndeltas * sizeof(*deltas));
3316 7d0d4920 2022-05-12 thomas case GOT_IMSG_DELTA_REUSE_DONE:
3317 7d0d4920 2022-05-12 thomas *done = 1;
3319 7d0d4920 2022-05-12 thomas default:
3320 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3324 7d0d4920 2022-05-12 thomas imsg_free(&imsg);
3326 ec2b23c5 2022-07-01 thomas return err;
3329 ec2b23c5 2022-07-01 thomas const struct got_error *
3330 ec2b23c5 2022-07-01 thomas got_privsep_init_commit_painting(struct imsgbuf *ibuf)
3332 ec2b23c5 2022-07-01 thomas if (imsg_compose(ibuf, GOT_IMSG_COMMIT_PAINTING_INIT,
3333 ec2b23c5 2022-07-01 thomas 0, 0, -1, NULL, 0)
3335 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_compose "
3336 ec2b23c5 2022-07-01 thomas "COMMIT_PAINTING_INIT");
3338 ec2b23c5 2022-07-01 thomas return flush_imsg(ibuf);
3341 ec2b23c5 2022-07-01 thomas const struct got_error *
3342 ec2b23c5 2022-07-01 thomas got_privsep_send_painting_request(struct imsgbuf *ibuf, int idx,
3343 ec2b23c5 2022-07-01 thomas struct got_object_id *id, intptr_t color)
3345 ec2b23c5 2022-07-01 thomas struct got_imsg_commit_painting_request ireq;
3347 ec2b23c5 2022-07-01 thomas memset(&ireq, 0, sizeof(ireq));
3348 ec2b23c5 2022-07-01 thomas memcpy(ireq.id, id->sha1, sizeof(ireq.id));
3349 ec2b23c5 2022-07-01 thomas ireq.idx = idx;
3350 ec2b23c5 2022-07-01 thomas ireq.color = color;
3352 ec2b23c5 2022-07-01 thomas if (imsg_compose(ibuf, GOT_IMSG_COMMIT_PAINTING_REQUEST, 0, 0, -1,
3353 ec2b23c5 2022-07-01 thomas &ireq, sizeof(ireq)) == -1)
3354 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_compose "
3355 ec2b23c5 2022-07-01 thomas "COMMIT_PAINTING_REQUEST");
3357 ec2b23c5 2022-07-01 thomas return flush_imsg(ibuf);
3360 ec2b23c5 2022-07-01 thomas static const struct got_error *
3361 ec2b23c5 2022-07-01 thomas send_painted_commits(struct got_object_id_queue *ids, int *nids,
3362 ec2b23c5 2022-07-01 thomas size_t remain, int present_in_pack, struct imsgbuf *ibuf)
3364 ec2b23c5 2022-07-01 thomas const struct got_error *err = NULL;
3365 ec2b23c5 2022-07-01 thomas struct ibuf *wbuf = NULL;
3366 ec2b23c5 2022-07-01 thomas struct got_object_qid *qid;
3367 ec2b23c5 2022-07-01 thomas size_t msglen;
3368 ec2b23c5 2022-07-01 thomas int ncommits;
3369 ec2b23c5 2022-07-01 thomas intptr_t color;
3371 ec2b23c5 2022-07-01 thomas msglen = MIN(remain, MAX_IMSGSIZE - IMSG_HEADER_SIZE);
3372 ec2b23c5 2022-07-01 thomas ncommits = (msglen - sizeof(struct got_imsg_painted_commits)) /
3373 ec2b23c5 2022-07-01 thomas sizeof(struct got_imsg_painted_commit);
3375 ec2b23c5 2022-07-01 thomas wbuf = imsg_create(ibuf, GOT_IMSG_PAINTED_COMMITS, 0, 0, msglen);
3376 ec2b23c5 2022-07-01 thomas if (wbuf == NULL) {
3377 ec2b23c5 2022-07-01 thomas err = got_error_from_errno("imsg_create PAINTED_COMMITS");
3378 ec2b23c5 2022-07-01 thomas return err;
3381 ec2b23c5 2022-07-01 thomas /* Keep in sync with struct got_imsg_painted_commits! */
3382 ec2b23c5 2022-07-01 thomas if (imsg_add(wbuf, &ncommits, sizeof(ncommits)) == -1)
3383 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_add PAINTED_COMMITS");
3384 ec2b23c5 2022-07-01 thomas if (imsg_add(wbuf, &present_in_pack, sizeof(present_in_pack)) == -1)
3385 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_add PAINTED_COMMITS");
3387 ec2b23c5 2022-07-01 thomas while (ncommits > 0) {
3388 ec2b23c5 2022-07-01 thomas qid = STAILQ_FIRST(ids);
3389 ec2b23c5 2022-07-01 thomas STAILQ_REMOVE_HEAD(ids, entry);
3390 ec2b23c5 2022-07-01 thomas ncommits--;
3391 ec2b23c5 2022-07-01 thomas (*nids)--;
3392 ec2b23c5 2022-07-01 thomas color = (intptr_t)qid->data;
3394 ec2b23c5 2022-07-01 thomas /* Keep in sync with struct got_imsg_painted_commit! */
3395 ec2b23c5 2022-07-01 thomas if (imsg_add(wbuf, qid->id.sha1, SHA1_DIGEST_LENGTH) == -1)
3396 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_add PAINTED_COMMITS");
3397 ec2b23c5 2022-07-01 thomas if (imsg_add(wbuf, &color, sizeof(color)) == -1)
3398 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_add PAINTED_COMMITS");
3400 ec2b23c5 2022-07-01 thomas got_object_qid_free(qid);
3403 ec2b23c5 2022-07-01 thomas wbuf->fd = -1;
3404 ec2b23c5 2022-07-01 thomas imsg_close(ibuf, wbuf);
3406 ec2b23c5 2022-07-01 thomas return flush_imsg(ibuf);
3409 ec2b23c5 2022-07-01 thomas const struct got_error *
3410 ec2b23c5 2022-07-01 thomas got_privsep_send_painted_commits(struct imsgbuf *ibuf,
3411 ec2b23c5 2022-07-01 thomas struct got_object_id_queue *ids, int *nids,
3412 ec2b23c5 2022-07-01 thomas int present_in_pack, int flush)
3414 ec2b23c5 2022-07-01 thomas const struct got_error *err;
3415 ec2b23c5 2022-07-01 thomas size_t remain;
3417 ec2b23c5 2022-07-01 thomas if (*nids <= 0)
3418 ec2b23c5 2022-07-01 thomas return NULL;
3421 ec2b23c5 2022-07-01 thomas remain = (sizeof(struct got_imsg_painted_commits)) +
3422 ec2b23c5 2022-07-01 thomas *nids * sizeof(struct got_imsg_painted_commit);
3423 ec2b23c5 2022-07-01 thomas if (flush || remain >= MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
3424 ec2b23c5 2022-07-01 thomas err = send_painted_commits(ids, nids, remain,
3425 ec2b23c5 2022-07-01 thomas present_in_pack, ibuf);
3426 ec2b23c5 2022-07-01 thomas if (err)
3427 ec2b23c5 2022-07-01 thomas return err;
3429 ec2b23c5 2022-07-01 thomas } while (flush && *nids > 0);
3431 ec2b23c5 2022-07-01 thomas return NULL;
3434 ec2b23c5 2022-07-01 thomas const struct got_error *
3435 ec2b23c5 2022-07-01 thomas got_privsep_send_painting_commits_done(struct imsgbuf *ibuf)
3437 ec2b23c5 2022-07-01 thomas if (imsg_compose(ibuf, GOT_IMSG_COMMIT_PAINTING_DONE,
3438 ec2b23c5 2022-07-01 thomas 0, 0, -1, NULL, 0)
3440 ec2b23c5 2022-07-01 thomas return got_error_from_errno("imsg_compose "
3441 ec2b23c5 2022-07-01 thomas "COMMIT_PAINTING_DONE");
3443 ec2b23c5 2022-07-01 thomas return flush_imsg(ibuf);
3446 ec2b23c5 2022-07-01 thomas const struct got_error *
3447 ec2b23c5 2022-07-01 thomas got_privsep_recv_painted_commits(struct got_object_id_queue *new_ids,
3448 ec2b23c5 2022-07-01 thomas got_privsep_recv_painted_commit_cb cb, void *cb_arg, struct imsgbuf *ibuf)
3450 ec2b23c5 2022-07-01 thomas const struct got_error *err = NULL;
3451 ec2b23c5 2022-07-01 thomas struct imsg imsg;
3452 ec2b23c5 2022-07-01 thomas struct got_imsg_painted_commits icommits;
3453 ec2b23c5 2022-07-01 thomas struct got_imsg_painted_commit icommit;
3454 ec2b23c5 2022-07-01 thomas size_t datalen;
3457 ec2b23c5 2022-07-01 thomas for (;;) {
3458 ec2b23c5 2022-07-01 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3459 ec2b23c5 2022-07-01 thomas if (err)
3460 ec2b23c5 2022-07-01 thomas return err;
3462 ec2b23c5 2022-07-01 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3463 ec2b23c5 2022-07-01 thomas if (imsg.hdr.type == GOT_IMSG_COMMIT_PAINTING_DONE)
3465 ec2b23c5 2022-07-01 thomas if (imsg.hdr.type != GOT_IMSG_PAINTED_COMMITS)
3466 ec2b23c5 2022-07-01 thomas return got_error(GOT_ERR_PRIVSEP_MSG);
3468 ec2b23c5 2022-07-01 thomas if (datalen < sizeof(icommits))
3469 ec2b23c5 2022-07-01 thomas return got_error(GOT_ERR_PRIVSEP_LEN);
3470 ec2b23c5 2022-07-01 thomas memcpy(&icommits, imsg.data, sizeof(icommits));
3471 ec2b23c5 2022-07-01 thomas if (icommits.ncommits * sizeof(icommit) < icommits.ncommits ||
3472 ec2b23c5 2022-07-01 thomas datalen < sizeof(icommits) +
3473 ec2b23c5 2022-07-01 thomas icommits.ncommits * sizeof(icommit))
3474 ec2b23c5 2022-07-01 thomas return got_error(GOT_ERR_PRIVSEP_LEN);
3476 ec2b23c5 2022-07-01 thomas for (i = 0; i < icommits.ncommits; i++) {
3477 ec2b23c5 2022-07-01 thomas memcpy(&icommit,
3478 ec2b23c5 2022-07-01 thomas (uint8_t *)imsg.data + sizeof(icommits) + i * sizeof(icommit),
3479 ec2b23c5 2022-07-01 thomas sizeof(icommit));
3481 ec2b23c5 2022-07-01 thomas if (icommits.present_in_pack) {
3482 ec2b23c5 2022-07-01 thomas struct got_object_id id;
3483 ec2b23c5 2022-07-01 thomas memcpy(id.sha1, icommit.id, SHA1_DIGEST_LENGTH);
3484 ec2b23c5 2022-07-01 thomas err = cb(cb_arg, &id, icommit.color);
3485 ec2b23c5 2022-07-01 thomas if (err)
3487 ec2b23c5 2022-07-01 thomas } else {
3488 ec2b23c5 2022-07-01 thomas struct got_object_qid *qid;
3489 ec2b23c5 2022-07-01 thomas err = got_object_qid_alloc_partial(&qid);
3490 ec2b23c5 2022-07-01 thomas if (err)
3492 ec2b23c5 2022-07-01 thomas memcpy(qid->id.sha1, icommit.id,
3493 ec2b23c5 2022-07-01 thomas SHA1_DIGEST_LENGTH);
3494 ec2b23c5 2022-07-01 thomas qid->data = (void *)icommit.color;
3495 ec2b23c5 2022-07-01 thomas STAILQ_INSERT_TAIL(new_ids, qid, entry);
3499 ec2b23c5 2022-07-01 thomas imsg_free(&imsg);
3502 f9c2e8e5 2022-02-13 thomas return err;
3505 f9c2e8e5 2022-02-13 thomas const struct got_error *
3506 63219cd2 2019-01-04 stsp got_privsep_unveil_exec_helpers(void)
3508 c39c25dd 2019-08-09 stsp const char *helpers[] = {
3509 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_PACK,
3510 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_OBJECT,
3511 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_COMMIT,
3512 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TREE,
3513 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_BLOB,
3514 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TAG,
3515 aba9c984 2019-09-08 stsp GOT_PATH_PROG_READ_GITCONFIG,
3516 257add31 2020-09-09 stsp GOT_PATH_PROG_READ_GOTCONFIG,
3517 069bbb86 2022-03-07 thomas GOT_PATH_PROG_READ_PATCH,
3518 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_FETCH_PACK,
3519 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_INDEX_PACK,
3520 f8a36e22 2021-08-26 stsp GOT_PATH_PROG_SEND_PACK,
3524 c39c25dd 2019-08-09 stsp for (i = 0; i < nitems(helpers); i++) {
3525 c39c25dd 2019-08-09 stsp if (unveil(helpers[i], "x") == 0)
3527 c39c25dd 2019-08-09 stsp return got_error_from_errno2("unveil", helpers[i]);
3530 63219cd2 2019-01-04 stsp return NULL;
3534 aba9c984 2019-09-08 stsp got_privsep_exec_child(int imsg_fds[2], const char *path, const char *repo_path)
3536 08578a35 2021-01-22 stsp if (close(imsg_fds[0]) == -1) {
3537 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3541 aba9c984 2019-09-08 stsp if (dup2(imsg_fds[1], GOT_IMSG_FD_CHILD) == -1) {
3542 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3546 ce95518e 2021-12-10 thomas closefrom(GOT_IMSG_FD_CHILD + 1);
3548 aba9c984 2019-09-08 stsp if (execl(path, path, repo_path, (char *)NULL) == -1) {
3549 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s: %s\n", getprogname(), path,
3550 aba9c984 2019-09-08 stsp strerror(errno));