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/queue.h>
20 2178c42e 2018-04-22 stsp #include <sys/uio.h>
21 876c234b 2018-09-10 stsp #include <sys/wait.h>
23 531c3985 2020-03-18 stsp #include <ctype.h>
24 23c57b28 2020-09-11 naddy #include <limits.h>
25 a486b62b 2021-05-18 stsp #include <signal.h>
26 2178c42e 2018-04-22 stsp #include <stdio.h>
27 2178c42e 2018-04-22 stsp #include <stdlib.h>
28 2178c42e 2018-04-22 stsp #include <string.h>
29 2178c42e 2018-04-22 stsp #include <errno.h>
30 2178c42e 2018-04-22 stsp #include <stdint.h>
31 2178c42e 2018-04-22 stsp #include <poll.h>
32 2178c42e 2018-04-22 stsp #include <imsg.h>
33 2178c42e 2018-04-22 stsp #include <sha1.h>
34 81a12da5 2020-09-09 naddy #include <unistd.h>
35 2178c42e 2018-04-22 stsp #include <zlib.h>
36 788c352e 2018-06-16 stsp #include <time.h>
38 2178c42e 2018-04-22 stsp #include "got_object.h"
39 2178c42e 2018-04-22 stsp #include "got_error.h"
40 3022d272 2019-11-14 stsp #include "got_path.h"
41 cd95becd 2019-11-29 stsp #include "got_repository.h"
43 2178c42e 2018-04-22 stsp #include "got_lib_sha1.h"
44 2178c42e 2018-04-22 stsp #include "got_lib_delta.h"
45 63581804 2018-07-09 stsp #include "got_lib_inflate.h"
46 2178c42e 2018-04-22 stsp #include "got_lib_object.h"
47 a440fac0 2018-09-06 stsp #include "got_lib_object_parse.h"
48 2178c42e 2018-04-22 stsp #include "got_lib_privsep.h"
49 876c234b 2018-09-10 stsp #include "got_lib_pack.h"
51 336075a4 2022-06-25 op #include "got_privsep.h"
54 2178c42e 2018-04-22 stsp #define MIN(_a,_b) ((_a) < (_b) ? (_a) : (_b))
57 c39c25dd 2019-08-09 stsp #ifndef nitems
58 c39c25dd 2019-08-09 stsp #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
61 2178c42e 2018-04-22 stsp static const struct got_error *
62 2178c42e 2018-04-22 stsp poll_fd(int fd, int events, int timeout)
64 2178c42e 2018-04-22 stsp struct pollfd pfd[1];
65 a486b62b 2021-05-18 stsp struct timespec ts;
66 a486b62b 2021-05-18 stsp sigset_t sigset;
69 2178c42e 2018-04-22 stsp pfd[0].fd = fd;
70 2178c42e 2018-04-22 stsp pfd[0].events = events;
72 a486b62b 2021-05-18 stsp ts.tv_sec = timeout;
73 a486b62b 2021-05-18 stsp ts.tv_nsec = 0;
75 a486b62b 2021-05-18 stsp if (sigemptyset(&sigset) == -1)
76 a486b62b 2021-05-18 stsp return got_error_from_errno("sigemptyset");
77 a486b62b 2021-05-18 stsp if (sigaddset(&sigset, SIGWINCH) == -1)
78 a486b62b 2021-05-18 stsp return got_error_from_errno("sigaddset");
80 a486b62b 2021-05-18 stsp n = ppoll(pfd, 1, timeout == INFTIM ? NULL : &ts, &sigset);
81 2178c42e 2018-04-22 stsp if (n == -1)
82 932dbee7 2021-05-19 stsp return got_error_from_errno("ppoll");
84 2178c42e 2018-04-22 stsp return got_error(GOT_ERR_TIMEOUT);
85 2178c42e 2018-04-22 stsp if (pfd[0].revents & (POLLERR | POLLNVAL))
86 638f9024 2019-05-13 stsp return got_error_from_errno("poll error");
87 2178c42e 2018-04-22 stsp if (pfd[0].revents & (events | POLLHUP))
88 2178c42e 2018-04-22 stsp return NULL;
90 2178c42e 2018-04-22 stsp return got_error(GOT_ERR_INTERRUPT);
93 c4eae628 2018-04-23 stsp static const struct got_error *
94 e033d803 2018-04-23 stsp read_imsg(struct imsgbuf *ibuf)
96 fe36cf76 2018-04-23 stsp const struct got_error *err;
99 c9b75c7b 2022-05-19 stsp err = poll_fd(ibuf->fd, POLLIN, INFTIM);
101 c9b75c7b 2022-05-19 stsp return err;
103 fe36cf76 2018-04-23 stsp n = imsg_read(ibuf);
104 fe36cf76 2018-04-23 stsp if (n == -1) {
105 fe36cf76 2018-04-23 stsp if (errno == EAGAIN) /* Could be a file-descriptor leak. */
106 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_NO_FD);
107 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_READ);
109 fe36cf76 2018-04-23 stsp if (n == 0)
110 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_PIPE);
112 e033d803 2018-04-23 stsp return NULL;
115 ad242220 2018-09-08 stsp const struct got_error *
116 876c234b 2018-09-10 stsp got_privsep_wait_for_child(pid_t pid)
118 876c234b 2018-09-10 stsp int child_status;
120 2cb49fa8 2019-05-10 stsp if (waitpid(pid, &child_status, 0) == -1)
121 638f9024 2019-05-13 stsp return got_error_from_errno("waitpid");
123 876c234b 2018-09-10 stsp if (!WIFEXITED(child_status))
124 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_DIED);
126 876c234b 2018-09-10 stsp if (WEXITSTATUS(child_status) != 0)
127 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_EXIT);
129 876c234b 2018-09-10 stsp return NULL;
132 73b7854a 2018-11-11 stsp static const struct got_error *
133 73b7854a 2018-11-11 stsp recv_imsg_error(struct imsg *imsg, size_t datalen)
135 73b7854a 2018-11-11 stsp struct got_imsg_error *ierr;
137 73b7854a 2018-11-11 stsp if (datalen != sizeof(*ierr))
138 73b7854a 2018-11-11 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
140 73b7854a 2018-11-11 stsp ierr = imsg->data;
141 73b7854a 2018-11-11 stsp if (ierr->code == GOT_ERR_ERRNO) {
142 73b7854a 2018-11-11 stsp static struct got_error serr;
143 73b7854a 2018-11-11 stsp serr.code = GOT_ERR_ERRNO;
144 73b7854a 2018-11-11 stsp serr.msg = strerror(ierr->errno_code);
145 73b7854a 2018-11-11 stsp return &serr;
148 73b7854a 2018-11-11 stsp return got_error(ierr->code);
151 876c234b 2018-09-10 stsp const struct got_error *
152 46de5bfd 2018-11-11 stsp got_privsep_recv_imsg(struct imsg *imsg, struct imsgbuf *ibuf,
153 46de5bfd 2018-11-11 stsp size_t min_datalen)
155 e033d803 2018-04-23 stsp const struct got_error *err;
158 e033d803 2018-04-23 stsp n = imsg_get(ibuf, imsg);
159 876c234b 2018-09-10 stsp if (n == -1)
160 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_get");
162 876c234b 2018-09-10 stsp while (n == 0) {
163 876c234b 2018-09-10 stsp err = read_imsg(ibuf);
165 876c234b 2018-09-10 stsp return err;
166 876c234b 2018-09-10 stsp n = imsg_get(ibuf, imsg);
167 cbfaaf20 2020-01-06 stsp if (n == -1)
168 cbfaaf20 2020-01-06 stsp return got_error_from_errno("imsg_get");
171 fe36cf76 2018-04-23 stsp if (imsg->hdr.len < IMSG_HEADER_SIZE + min_datalen)
172 c4eae628 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
174 73b7854a 2018-11-11 stsp if (imsg->hdr.type == GOT_IMSG_ERROR) {
175 73b7854a 2018-11-11 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
176 73b7854a 2018-11-11 stsp return recv_imsg_error(imsg, datalen);
179 73b7854a 2018-11-11 stsp return NULL;
182 2178c42e 2018-04-22 stsp /* Attempt to send an error in an imsg. Complain on stderr as a last resort. */
184 2178c42e 2018-04-22 stsp got_privsep_send_error(struct imsgbuf *ibuf, const struct got_error *err)
186 2178c42e 2018-04-22 stsp const struct got_error *poll_err;
187 2178c42e 2018-04-22 stsp struct got_imsg_error ierr;
190 2178c42e 2018-04-22 stsp ierr.code = err->code;
191 2178c42e 2018-04-22 stsp if (err->code == GOT_ERR_ERRNO)
192 2178c42e 2018-04-22 stsp ierr.errno_code = errno;
194 2178c42e 2018-04-22 stsp ierr.errno_code = 0;
195 2178c42e 2018-04-22 stsp ret = imsg_compose(ibuf, GOT_IMSG_ERROR, 0, 0, -1, &ierr, sizeof(ierr));
196 e93cd828 2018-11-11 stsp if (ret == -1) {
197 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_compose: %s\n",
198 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
202 2178c42e 2018-04-22 stsp poll_err = poll_fd(ibuf->fd, POLLOUT, INFTIM);
203 5d43e84d 2018-04-23 stsp if (poll_err) {
204 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": poll: %s\n",
205 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, poll_err->msg);
209 2178c42e 2018-04-22 stsp ret = imsg_flush(ibuf);
210 5d43e84d 2018-04-23 stsp if (ret == -1) {
211 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_flush: %s\n",
212 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
213 8934ea8b 2022-02-14 op imsg_clear(ibuf);
218 e033d803 2018-04-23 stsp static const struct got_error *
219 e033d803 2018-04-23 stsp flush_imsg(struct imsgbuf *ibuf)
221 e033d803 2018-04-23 stsp const struct got_error *err;
223 e033d803 2018-04-23 stsp err = poll_fd(ibuf->fd, POLLOUT, INFTIM);
225 e033d803 2018-04-23 stsp return err;
227 8934ea8b 2022-02-14 op if (imsg_flush(ibuf) == -1) {
228 8934ea8b 2022-02-14 op imsg_clear(ibuf);
229 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_flush");
232 e033d803 2018-04-23 stsp return NULL;
235 ad242220 2018-09-08 stsp const struct got_error *
236 e70bf110 2020-03-22 stsp got_privsep_flush_imsg(struct imsgbuf *ibuf)
238 e70bf110 2020-03-22 stsp return flush_imsg(ibuf);
241 e70bf110 2020-03-22 stsp const struct got_error *
242 ad242220 2018-09-08 stsp got_privsep_send_stop(int fd)
244 ad242220 2018-09-08 stsp const struct got_error *err = NULL;
245 ad242220 2018-09-08 stsp struct imsgbuf ibuf;
247 ad242220 2018-09-08 stsp imsg_init(&ibuf, fd);
249 ad242220 2018-09-08 stsp if (imsg_compose(&ibuf, GOT_IMSG_STOP, 0, 0, -1, NULL, 0) == -1)
250 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose STOP");
252 ad242220 2018-09-08 stsp err = flush_imsg(&ibuf);
253 ad242220 2018-09-08 stsp return err;
256 93658fb9 2020-03-18 stsp const struct got_error *
257 d5c81d44 2021-07-08 stsp got_privsep_send_obj_req(struct imsgbuf *ibuf, int fd,
258 d5c81d44 2021-07-08 stsp struct got_object_id *id)
260 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT_REQUEST, 0, 0, fd,
261 d5c81d44 2021-07-08 stsp id, sizeof(*id)) == -1)
262 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT_REQUEST");
264 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
267 59d1e4a0 2021-03-10 stsp const struct got_error *
268 d5c81d44 2021-07-08 stsp got_privsep_send_raw_obj_req(struct imsgbuf *ibuf, int fd,
269 d5c81d44 2021-07-08 stsp struct got_object_id *id)
271 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_OBJECT_REQUEST, 0, 0, fd,
272 d5c81d44 2021-07-08 stsp id, sizeof(*id)) == -1)
273 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose RAW_OBJECT_REQUEST");
275 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
278 59d1e4a0 2021-03-10 stsp const struct got_error *
279 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj_outfd(struct imsgbuf *ibuf, int outfd)
281 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
283 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_OBJECT_OUTFD, 0, 0, outfd, NULL, 0)
285 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_compose RAW_OBJECT_OUTFD");
286 59d1e4a0 2021-03-10 stsp close(outfd);
287 59d1e4a0 2021-03-10 stsp return err;
290 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
293 59d1e4a0 2021-03-10 stsp const struct got_error *
294 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj(struct imsgbuf *ibuf, off_t size, size_t hdrlen,
295 59d1e4a0 2021-03-10 stsp uint8_t *data)
297 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
298 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj iobj;
299 59d1e4a0 2021-03-10 stsp size_t len = sizeof(iobj);
300 59d1e4a0 2021-03-10 stsp struct ibuf *wbuf;
302 031611fc 2022-06-18 op memset(&iobj, 0, sizeof(iobj));
303 59d1e4a0 2021-03-10 stsp iobj.hdrlen = hdrlen;
304 59d1e4a0 2021-03-10 stsp iobj.size = size;
306 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX)
307 a8591711 2021-06-18 stsp len += (size_t)size + hdrlen;
309 59d1e4a0 2021-03-10 stsp wbuf = imsg_create(ibuf, GOT_IMSG_RAW_OBJECT, 0, 0, len);
310 59d1e4a0 2021-03-10 stsp if (wbuf == NULL) {
311 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_create RAW_OBJECT");
312 59d1e4a0 2021-03-10 stsp return err;
315 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &iobj, sizeof(iobj)) == -1)
316 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add RAW_OBJECT");
318 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
319 1453347d 2022-05-19 stsp if (imsg_add(wbuf, data, size + hdrlen) == -1)
320 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add RAW_OBJECT");
323 59d1e4a0 2021-03-10 stsp wbuf->fd = -1;
324 59d1e4a0 2021-03-10 stsp imsg_close(ibuf, wbuf);
326 1785f84a 2018-12-23 stsp return flush_imsg(ibuf);
329 1785f84a 2018-12-23 stsp const struct got_error *
330 59d1e4a0 2021-03-10 stsp got_privsep_recv_raw_obj(uint8_t **outbuf, off_t *size, size_t *hdrlen,
331 59d1e4a0 2021-03-10 stsp struct imsgbuf *ibuf)
333 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
334 59d1e4a0 2021-03-10 stsp struct imsg imsg;
335 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj *iobj;
336 59d1e4a0 2021-03-10 stsp size_t datalen;
338 59d1e4a0 2021-03-10 stsp *outbuf = NULL;
340 59d1e4a0 2021-03-10 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
342 59d1e4a0 2021-03-10 stsp return err;
344 59d1e4a0 2021-03-10 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
346 59d1e4a0 2021-03-10 stsp switch (imsg.hdr.type) {
347 59d1e4a0 2021-03-10 stsp case GOT_IMSG_RAW_OBJECT:
348 59d1e4a0 2021-03-10 stsp if (datalen < sizeof(*iobj)) {
349 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
352 59d1e4a0 2021-03-10 stsp iobj = imsg.data;
353 59d1e4a0 2021-03-10 stsp *size = iobj->size;
354 59d1e4a0 2021-03-10 stsp *hdrlen = iobj->hdrlen;
356 59d1e4a0 2021-03-10 stsp if (datalen == sizeof(*iobj)) {
357 59d1e4a0 2021-03-10 stsp /* Data has been written to file descriptor. */
361 c98b0f0b 2022-06-14 op if (*size < 0 ||
362 c98b0f0b 2022-06-14 op *size + *hdrlen > GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
363 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
367 a8591711 2021-06-18 stsp *outbuf = malloc(*size + *hdrlen);
368 59d1e4a0 2021-03-10 stsp if (*outbuf == NULL) {
369 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("malloc");
372 a8591711 2021-06-18 stsp memcpy(*outbuf, imsg.data + sizeof(*iobj), *size + *hdrlen);
375 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
379 59d1e4a0 2021-03-10 stsp imsg_free(&imsg);
381 59d1e4a0 2021-03-10 stsp return err;
384 59d1e4a0 2021-03-10 stsp const struct got_error *
385 1785f84a 2018-12-23 stsp got_privsep_send_commit_req(struct imsgbuf *ibuf, int fd,
386 1785f84a 2018-12-23 stsp struct got_object_id *id, int pack_idx)
388 41496140 2019-02-21 stsp const struct got_error *err = NULL;
389 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
390 d5c81d44 2021-07-08 stsp void *data;
391 1785f84a 2018-12-23 stsp size_t len;
393 031611fc 2022-06-18 op memset(&iobj, 0, sizeof(iobj));
394 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* commit is packed */
395 1785f84a 2018-12-23 stsp iobj.idx = pack_idx;
396 1785f84a 2018-12-23 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
397 d5c81d44 2021-07-08 stsp data = &iobj;
398 1785f84a 2018-12-23 stsp len = sizeof(iobj);
401 d5c81d44 2021-07-08 stsp len = sizeof(*id);
404 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_REQUEST, 0, 0, fd, data, len)
406 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT_REQUEST");
408 41496140 2019-02-21 stsp return err;
411 13c729f7 2018-12-24 stsp return flush_imsg(ibuf);
414 13c729f7 2018-12-24 stsp const struct got_error *
415 13c729f7 2018-12-24 stsp got_privsep_send_tree_req(struct imsgbuf *ibuf, int fd,
416 13c729f7 2018-12-24 stsp struct got_object_id *id, int pack_idx)
418 7f358e3b 2019-11-23 stsp struct ibuf *wbuf;
419 d5c81d44 2021-07-08 stsp size_t len;
421 d5c81d44 2021-07-08 stsp if (pack_idx != -1)
422 d5c81d44 2021-07-08 stsp len = sizeof(struct got_imsg_packed_object);
424 d5c81d44 2021-07-08 stsp len = sizeof(*id);
426 7f358e3b 2019-11-23 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_REQUEST, 0, 0, len);
427 7f358e3b 2019-11-23 stsp if (wbuf == NULL)
428 7f358e3b 2019-11-23 stsp return got_error_from_errno("imsg_create TREE_REQUEST");
430 1453347d 2022-05-19 stsp if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1)
431 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_REQUEST");
433 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tree is packed */
434 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &pack_idx, sizeof(pack_idx)) == -1)
435 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_REQUEST");
438 7f358e3b 2019-11-23 stsp wbuf->fd = fd;
439 7f358e3b 2019-11-23 stsp imsg_close(ibuf, wbuf);
441 268f7291 2018-12-24 stsp return flush_imsg(ibuf);
444 268f7291 2018-12-24 stsp const struct got_error *
445 268f7291 2018-12-24 stsp got_privsep_send_tag_req(struct imsgbuf *ibuf, int fd,
446 268f7291 2018-12-24 stsp struct got_object_id *id, int pack_idx)
448 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
449 d5c81d44 2021-07-08 stsp void *data;
450 268f7291 2018-12-24 stsp size_t len;
452 031611fc 2022-06-18 op memset(&iobj, 0, sizeof(iobj));
453 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tag is packed */
454 268f7291 2018-12-24 stsp iobj.idx = pack_idx;
455 268f7291 2018-12-24 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
456 d5c81d44 2021-07-08 stsp data = &iobj;
457 268f7291 2018-12-24 stsp len = sizeof(iobj);
460 d5c81d44 2021-07-08 stsp len = sizeof(*id);
463 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_REQUEST, 0, 0, fd, data, len)
465 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose TAG_REQUEST");
467 7762fe12 2018-11-05 stsp return flush_imsg(ibuf);
470 7762fe12 2018-11-05 stsp const struct got_error *
471 ebc55e2d 2018-12-24 stsp got_privsep_send_blob_req(struct imsgbuf *ibuf, int infd,
472 ebc55e2d 2018-12-24 stsp struct got_object_id *id, int pack_idx)
474 41496140 2019-02-21 stsp const struct got_error *err = NULL;
475 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
476 d5c81d44 2021-07-08 stsp void *data;
477 ebc55e2d 2018-12-24 stsp size_t len;
479 031611fc 2022-06-18 op memset(&iobj, 0, sizeof(iobj));
480 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* blob is packed */
481 ebc55e2d 2018-12-24 stsp iobj.idx = pack_idx;
482 ebc55e2d 2018-12-24 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
483 d5c81d44 2021-07-08 stsp data = &iobj;
484 ebc55e2d 2018-12-24 stsp len = sizeof(iobj);
487 d5c81d44 2021-07-08 stsp len = sizeof(*id);
490 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_REQUEST, 0, 0, infd, data, len)
492 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_REQUEST");
493 41496140 2019-02-21 stsp close(infd);
494 41496140 2019-02-21 stsp return err;
497 55da3778 2018-09-10 stsp return flush_imsg(ibuf);
500 55da3778 2018-09-10 stsp const struct got_error *
501 55da3778 2018-09-10 stsp got_privsep_send_blob_outfd(struct imsgbuf *ibuf, int outfd)
503 41496140 2019-02-21 stsp const struct got_error *err = NULL;
505 ad242220 2018-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_OUTFD, 0, 0, outfd, NULL, 0)
507 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_OUTFD");
508 41496140 2019-02-21 stsp close(outfd);
509 41496140 2019-02-21 stsp return err;
512 3840f4c9 2018-09-12 stsp return flush_imsg(ibuf);
515 73ab1060 2020-03-18 stsp static const struct got_error *
516 73ab1060 2020-03-18 stsp send_fd(struct imsgbuf *ibuf, int imsg_code, int fd)
518 41496140 2019-02-21 stsp const struct got_error *err = NULL;
520 73ab1060 2020-03-18 stsp if (imsg_compose(ibuf, imsg_code, 0, 0, fd, NULL, 0) == -1) {
521 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TMPFD");
523 41496140 2019-02-21 stsp return err;
526 ad242220 2018-09-08 stsp return flush_imsg(ibuf);
529 ad242220 2018-09-08 stsp const struct got_error *
530 73ab1060 2020-03-18 stsp got_privsep_send_tmpfd(struct imsgbuf *ibuf, int fd)
532 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_TMPFD, fd);
535 73ab1060 2020-03-18 stsp const struct got_error *
536 876c234b 2018-09-10 stsp got_privsep_send_obj(struct imsgbuf *ibuf, struct got_object *obj)
538 2178c42e 2018-04-22 stsp struct got_imsg_object iobj;
540 1a69d37f 2022-06-18 op memset(&iobj, 0, sizeof(iobj));
542 c59b3346 2018-09-11 stsp memcpy(iobj.id, obj->id.sha1, sizeof(iobj.id));
543 2178c42e 2018-04-22 stsp iobj.type = obj->type;
544 2178c42e 2018-04-22 stsp iobj.flags = obj->flags;
545 2178c42e 2018-04-22 stsp iobj.hdrlen = obj->hdrlen;
546 2178c42e 2018-04-22 stsp iobj.size = obj->size;
547 c59b3346 2018-09-11 stsp if (iobj.flags & GOT_OBJ_FLAG_PACKED) {
548 876c234b 2018-09-10 stsp iobj.pack_offset = obj->pack_offset;
549 c59b3346 2018-09-11 stsp iobj.pack_idx = obj->pack_idx;
552 2178c42e 2018-04-22 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT, 0, 0, -1, &iobj, sizeof(iobj))
554 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT");
556 c59b3346 2018-09-11 stsp return flush_imsg(ibuf);
559 cfd633c2 2018-09-10 stsp const struct got_error *
560 33501562 2020-03-18 stsp got_privsep_send_fetch_req(struct imsgbuf *ibuf, int fd,
561 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs, int fetch_all_branches,
562 abc59930 2021-09-05 naddy struct got_pathlist_head *wanted_branches,
563 abc59930 2021-09-05 naddy struct got_pathlist_head *wanted_refs, int list_refs_only, int verbosity)
565 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
566 33501562 2020-03-18 stsp struct ibuf *wbuf;
567 4ba14133 2020-03-20 stsp size_t len;
568 33501562 2020-03-18 stsp struct got_pathlist_entry *pe;
569 4ba14133 2020-03-20 stsp struct got_imsg_fetch_request fetchreq;
571 4ba14133 2020-03-20 stsp memset(&fetchreq, 0, sizeof(fetchreq));
572 4ba14133 2020-03-20 stsp fetchreq.fetch_all_branches = fetch_all_branches;
573 41b0de12 2020-03-21 stsp fetchreq.list_refs_only = list_refs_only;
574 2690194b 2020-03-21 stsp fetchreq.verbosity = verbosity;
575 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, have_refs, entry)
576 4ba14133 2020-03-20 stsp fetchreq.n_have_refs++;
577 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry)
578 4ba14133 2020-03-20 stsp fetchreq.n_wanted_branches++;
579 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry)
580 0e4002ca 2020-03-21 stsp fetchreq.n_wanted_refs++;
581 659e7fbd 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_request);
582 33501562 2020-03-18 stsp if (len >= MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
584 33501562 2020-03-18 stsp return got_error(GOT_ERR_NO_SPACE);
587 4ba14133 2020-03-20 stsp if (imsg_compose(ibuf, GOT_IMSG_FETCH_REQUEST, 0, 0, fd,
588 4ba14133 2020-03-20 stsp &fetchreq, sizeof(fetchreq)) == -1)
589 4ba14133 2020-03-20 stsp return got_error_from_errno(
590 4ba14133 2020-03-20 stsp "imsg_compose FETCH_SERVER_PROGRESS");
592 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
595 659e7fbd 2020-03-20 stsp return err;
599 33501562 2020-03-18 stsp TAILQ_FOREACH(pe, have_refs, entry) {
600 33501562 2020-03-18 stsp const char *name = pe->path;
601 33501562 2020-03-18 stsp size_t name_len = pe->path_len;
602 33501562 2020-03-18 stsp struct got_object_id *id = pe->data;
604 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_have_ref) + name_len;
605 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_HAVE_REF, 0, 0, len);
606 4ba14133 2020-03-20 stsp if (wbuf == NULL)
607 4ba14133 2020-03-20 stsp return got_error_from_errno("imsg_create FETCH_HAVE_REF");
609 33501562 2020-03-18 stsp /* Keep in sync with struct got_imsg_fetch_have_ref! */
610 1453347d 2022-05-19 stsp if (imsg_add(wbuf, id->sha1, sizeof(id->sha1)) == -1)
611 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add FETCH_HAVE_REF");
612 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
613 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add FETCH_HAVE_REF");
614 1453347d 2022-05-19 stsp if (imsg_add(wbuf, name, name_len) == -1)
615 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add FETCH_HAVE_REF");
617 4ba14133 2020-03-20 stsp wbuf->fd = -1;
618 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
619 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
621 4ba14133 2020-03-20 stsp return err;
624 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry) {
625 4ba14133 2020-03-20 stsp const char *name = pe->path;
626 4ba14133 2020-03-20 stsp size_t name_len = pe->path_len;
628 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_wanted_branch) + name_len;
629 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_BRANCH, 0, 0,
631 4ba14133 2020-03-20 stsp if (wbuf == NULL)
632 4ba14133 2020-03-20 stsp return got_error_from_errno(
633 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_BRANCH");
635 4ba14133 2020-03-20 stsp /* Keep in sync with struct got_imsg_fetch_wanted_branch! */
636 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
637 1453347d 2022-05-19 stsp return got_error_from_errno(
638 4ba14133 2020-03-20 stsp "imsg_add FETCH_WANTED_BRANCH");
639 1453347d 2022-05-19 stsp if (imsg_add(wbuf, name, name_len) == -1)
640 1453347d 2022-05-19 stsp return got_error_from_errno(
641 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_BRANCH");
643 4ba14133 2020-03-20 stsp wbuf->fd = -1;
644 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
645 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
647 4ba14133 2020-03-20 stsp return err;
650 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry) {
651 0e4002ca 2020-03-21 stsp const char *name = pe->path;
652 0e4002ca 2020-03-21 stsp size_t name_len = pe->path_len;
654 0e4002ca 2020-03-21 stsp len = sizeof(struct got_imsg_fetch_wanted_ref) + name_len;
655 0e4002ca 2020-03-21 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_REF, 0, 0,
657 0e4002ca 2020-03-21 stsp if (wbuf == NULL)
658 0e4002ca 2020-03-21 stsp return got_error_from_errno(
659 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_REF");
661 0e4002ca 2020-03-21 stsp /* Keep in sync with struct got_imsg_fetch_wanted_ref! */
662 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
663 1453347d 2022-05-19 stsp return got_error_from_errno(
664 0e4002ca 2020-03-21 stsp "imsg_add FETCH_WANTED_REF");
665 1453347d 2022-05-19 stsp if (imsg_add(wbuf, name, name_len) == -1)
666 1453347d 2022-05-19 stsp return got_error_from_errno(
667 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_REF");
669 0e4002ca 2020-03-21 stsp wbuf->fd = -1;
670 0e4002ca 2020-03-21 stsp imsg_close(ibuf, wbuf);
671 0e4002ca 2020-03-21 stsp err = flush_imsg(ibuf);
673 0e4002ca 2020-03-21 stsp return err;
677 4ba14133 2020-03-20 stsp return NULL;
681 93658fb9 2020-03-18 stsp const struct got_error *
682 f826addf 2020-03-18 stsp got_privsep_send_fetch_outfd(struct imsgbuf *ibuf, int fd)
684 f826addf 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_FETCH_OUTFD, fd);
687 531c3985 2020-03-18 stsp const struct got_error *
688 8f2d01a6 2020-03-18 stsp got_privsep_recv_fetch_progress(int *done, struct got_object_id **id,
689 531c3985 2020-03-18 stsp char **refname, struct got_pathlist_head *symrefs, char **server_progress,
690 1d72a2a0 2020-03-24 stsp off_t *packfile_size, uint8_t *pack_sha1, struct imsgbuf *ibuf)
692 b9f99abf 2020-03-18 stsp const struct got_error *err = NULL;
693 b9f99abf 2020-03-18 stsp struct imsg imsg;
694 b9f99abf 2020-03-18 stsp size_t datalen;
695 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symrefs *isymrefs = NULL;
696 abe0f35f 2020-03-18 stsp size_t n, remain;
701 8f2d01a6 2020-03-18 stsp *id = NULL;
702 b9f99abf 2020-03-18 stsp *refname = NULL;
703 531c3985 2020-03-18 stsp *server_progress = NULL;
704 5a489642 2020-03-19 stsp *packfile_size = 0;
705 1d72a2a0 2020-03-24 stsp memset(pack_sha1, 0, SHA1_DIGEST_LENGTH);
707 531c3985 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
709 b9f99abf 2020-03-18 stsp return err;
711 b9f99abf 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
712 b9f99abf 2020-03-18 stsp switch (imsg.hdr.type) {
713 b9f99abf 2020-03-18 stsp case GOT_IMSG_ERROR:
714 b9f99abf 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
716 abe0f35f 2020-03-18 stsp case GOT_IMSG_FETCH_SYMREFS:
717 abe0f35f 2020-03-18 stsp if (datalen < sizeof(*isymrefs)) {
718 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
721 abe0f35f 2020-03-18 stsp if (isymrefs != NULL) {
722 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
725 abe0f35f 2020-03-18 stsp isymrefs = (struct got_imsg_fetch_symrefs *)imsg.data;
726 abe0f35f 2020-03-18 stsp off = sizeof(*isymrefs);
727 abe0f35f 2020-03-18 stsp remain = datalen - off;
728 abe0f35f 2020-03-18 stsp for (n = 0; n < isymrefs->nsymrefs; n++) {
729 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symref *s;
730 abe0f35f 2020-03-18 stsp char *name, *target;
731 abe0f35f 2020-03-18 stsp if (remain < sizeof(struct got_imsg_fetch_symref)) {
732 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
735 abe0f35f 2020-03-18 stsp s = (struct got_imsg_fetch_symref *)(imsg.data + off);
736 abe0f35f 2020-03-18 stsp off += sizeof(*s);
737 abe0f35f 2020-03-18 stsp remain -= sizeof(*s);
738 abe0f35f 2020-03-18 stsp if (remain < s->name_len) {
739 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
742 abe0f35f 2020-03-18 stsp name = strndup(imsg.data + off, s->name_len);
743 abe0f35f 2020-03-18 stsp if (name == NULL) {
744 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
747 abe0f35f 2020-03-18 stsp off += s->name_len;
748 abe0f35f 2020-03-18 stsp remain -= s->name_len;
749 abe0f35f 2020-03-18 stsp if (remain < s->target_len) {
750 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
751 abe0f35f 2020-03-18 stsp free(name);
754 abe0f35f 2020-03-18 stsp target = strndup(imsg.data + off, s->target_len);
755 abe0f35f 2020-03-18 stsp if (target == NULL) {
756 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
757 abe0f35f 2020-03-18 stsp free(name);
760 abe0f35f 2020-03-18 stsp off += s->target_len;
761 abe0f35f 2020-03-18 stsp remain -= s->target_len;
762 abe0f35f 2020-03-18 stsp err = got_pathlist_append(symrefs, name, target);
764 abe0f35f 2020-03-18 stsp free(name);
765 abe0f35f 2020-03-18 stsp free(target);
770 ea7396b9 2020-03-18 stsp case GOT_IMSG_FETCH_REF:
771 531c3985 2020-03-18 stsp if (datalen <= SHA1_DIGEST_LENGTH) {
772 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
775 8f2d01a6 2020-03-18 stsp *id = malloc(sizeof(**id));
776 8f2d01a6 2020-03-18 stsp if (*id == NULL) {
777 b9f99abf 2020-03-18 stsp err = got_error_from_errno("malloc");
780 8f2d01a6 2020-03-18 stsp memcpy((*id)->sha1, imsg.data, SHA1_DIGEST_LENGTH);
781 b9f99abf 2020-03-18 stsp *refname = strndup(imsg.data + SHA1_DIGEST_LENGTH,
782 b9f99abf 2020-03-18 stsp datalen - SHA1_DIGEST_LENGTH);
783 b9f99abf 2020-03-18 stsp if (*refname == NULL) {
784 b9f99abf 2020-03-18 stsp err = got_error_from_errno("strndup");
788 531c3985 2020-03-18 stsp case GOT_IMSG_FETCH_SERVER_PROGRESS:
789 531c3985 2020-03-18 stsp if (datalen == 0) {
790 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
793 531c3985 2020-03-18 stsp *server_progress = strndup(imsg.data, datalen);
794 531c3985 2020-03-18 stsp if (*server_progress == NULL) {
795 531c3985 2020-03-18 stsp err = got_error_from_errno("strndup");
798 531c3985 2020-03-18 stsp for (i = 0; i < datalen; i++) {
799 531c3985 2020-03-18 stsp if (!isprint((unsigned char)(*server_progress)[i]) &&
800 531c3985 2020-03-18 stsp !isspace((unsigned char)(*server_progress)[i])) {
801 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
802 531c3985 2020-03-18 stsp free(*server_progress);
803 531c3985 2020-03-18 stsp *server_progress = NULL;
808 d2cdc636 2020-03-18 stsp case GOT_IMSG_FETCH_DOWNLOAD_PROGRESS:
809 d2cdc636 2020-03-18 stsp if (datalen < sizeof(*packfile_size)) {
810 d2cdc636 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
813 d2cdc636 2020-03-18 stsp memcpy(packfile_size, imsg.data, sizeof(*packfile_size));
815 8f2d01a6 2020-03-18 stsp case GOT_IMSG_FETCH_DONE:
816 8f2d01a6 2020-03-18 stsp if (datalen != SHA1_DIGEST_LENGTH) {
817 8f2d01a6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
820 1d72a2a0 2020-03-24 stsp memcpy(pack_sha1, imsg.data, SHA1_DIGEST_LENGTH);
824 b887aab6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
830 8f2d01a6 2020-03-18 stsp *id = NULL;
831 b887aab6 2020-03-18 stsp free(*refname);
832 b887aab6 2020-03-18 stsp *refname = NULL;
834 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
835 f8a36e22 2021-08-26 stsp return err;
838 f8a36e22 2021-08-26 stsp static const struct got_error *
839 f8a36e22 2021-08-26 stsp send_send_ref(const char *name, size_t name_len, struct got_object_id *id,
840 f8a36e22 2021-08-26 stsp int delete, struct imsgbuf *ibuf)
842 f8a36e22 2021-08-26 stsp size_t len;
843 f8a36e22 2021-08-26 stsp struct ibuf *wbuf;
845 f8a36e22 2021-08-26 stsp len = sizeof(struct got_imsg_send_ref) + name_len;
846 f8a36e22 2021-08-26 stsp wbuf = imsg_create(ibuf, GOT_IMSG_SEND_REF, 0, 0, len);
847 f8a36e22 2021-08-26 stsp if (wbuf == NULL)
848 f8a36e22 2021-08-26 stsp return got_error_from_errno("imsg_create SEND_REF");
850 f8a36e22 2021-08-26 stsp /* Keep in sync with struct got_imsg_send_ref! */
851 1453347d 2022-05-19 stsp if (imsg_add(wbuf, id->sha1, sizeof(id->sha1)) == -1)
852 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add SEND_REF");
853 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &delete, sizeof(delete)) == -1)
854 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add SEND_REF");
855 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
856 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add SEND_REF");
857 1453347d 2022-05-19 stsp if (imsg_add(wbuf, name, name_len) == -1)
858 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add SEND_REF");
860 f8a36e22 2021-08-26 stsp wbuf->fd = -1;
861 f8a36e22 2021-08-26 stsp imsg_close(ibuf, wbuf);
862 f8a36e22 2021-08-26 stsp return flush_imsg(ibuf);
865 f8a36e22 2021-08-26 stsp const struct got_error *
866 f8a36e22 2021-08-26 stsp got_privsep_send_send_req(struct imsgbuf *ibuf, int fd,
867 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs,
868 abc59930 2021-09-05 naddy struct got_pathlist_head *delete_refs,
869 abc59930 2021-09-05 naddy int verbosity)
871 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
872 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *pe;
873 f8a36e22 2021-08-26 stsp struct got_imsg_send_request sendreq;
874 f8a36e22 2021-08-26 stsp struct got_object_id zero_id;
876 f8a36e22 2021-08-26 stsp memset(&zero_id, 0, sizeof(zero_id));
877 f8a36e22 2021-08-26 stsp memset(&sendreq, 0, sizeof(sendreq));
878 f8a36e22 2021-08-26 stsp sendreq.verbosity = verbosity;
879 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry)
880 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
881 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry)
882 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
883 f8a36e22 2021-08-26 stsp if (imsg_compose(ibuf, GOT_IMSG_SEND_REQUEST, 0, 0, fd,
884 f8a36e22 2021-08-26 stsp &sendreq, sizeof(sendreq)) == -1) {
885 f8a36e22 2021-08-26 stsp err = got_error_from_errno(
886 f8a36e22 2021-08-26 stsp "imsg_compose FETCH_SERVER_PROGRESS");
890 f8a36e22 2021-08-26 stsp err = flush_imsg(ibuf);
895 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry) {
896 f8a36e22 2021-08-26 stsp const char *name = pe->path;
897 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
898 f8a36e22 2021-08-26 stsp struct got_object_id *id = pe->data;
899 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, id, 0, ibuf);
904 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry) {
905 f8a36e22 2021-08-26 stsp const char *name = pe->path;
906 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
907 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, &zero_id, 1, ibuf);
912 f8a36e22 2021-08-26 stsp if (fd != -1 && close(fd) == -1 && err == NULL)
913 f8a36e22 2021-08-26 stsp err = got_error_from_errno("close");
914 f8a36e22 2021-08-26 stsp return err;
918 f8a36e22 2021-08-26 stsp const struct got_error *
919 f8a36e22 2021-08-26 stsp got_privsep_recv_send_remote_refs(struct got_pathlist_head *remote_refs,
920 f8a36e22 2021-08-26 stsp struct imsgbuf *ibuf)
922 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
923 f8a36e22 2021-08-26 stsp struct imsg imsg;
924 f8a36e22 2021-08-26 stsp size_t datalen;
925 f8a36e22 2021-08-26 stsp int done = 0;
926 f8a36e22 2021-08-26 stsp struct got_imsg_send_remote_ref iremote_ref;
927 f8a36e22 2021-08-26 stsp struct got_object_id *id = NULL;
928 f8a36e22 2021-08-26 stsp char *refname = NULL;
929 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *new;
931 f8a36e22 2021-08-26 stsp while (!done) {
932 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
934 f8a36e22 2021-08-26 stsp return err;
935 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
936 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
937 f8a36e22 2021-08-26 stsp case GOT_IMSG_ERROR:
938 f8a36e22 2021-08-26 stsp err = recv_imsg_error(&imsg, datalen);
940 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REMOTE_REF:
941 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iremote_ref)) {
942 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
945 f8a36e22 2021-08-26 stsp memcpy(&iremote_ref, imsg.data, sizeof(iremote_ref));
946 f8a36e22 2021-08-26 stsp if (datalen != sizeof(iremote_ref) +
947 f8a36e22 2021-08-26 stsp iremote_ref.name_len) {
948 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
951 f8a36e22 2021-08-26 stsp id = malloc(sizeof(*id));
952 f8a36e22 2021-08-26 stsp if (id == NULL) {
953 f8a36e22 2021-08-26 stsp err = got_error_from_errno("malloc");
956 f8a36e22 2021-08-26 stsp memcpy(id->sha1, iremote_ref.id, SHA1_DIGEST_LENGTH);
957 f8a36e22 2021-08-26 stsp refname = strndup(imsg.data + sizeof(iremote_ref),
958 f8a36e22 2021-08-26 stsp datalen - sizeof(iremote_ref));
959 f8a36e22 2021-08-26 stsp if (refname == NULL) {
960 f8a36e22 2021-08-26 stsp err = got_error_from_errno("strndup");
963 f8a36e22 2021-08-26 stsp err = got_pathlist_insert(&new, remote_refs,
964 f8a36e22 2021-08-26 stsp refname, id);
967 f8a36e22 2021-08-26 stsp if (new == NULL) { /* duplicate which wasn't inserted */
969 f8a36e22 2021-08-26 stsp free(refname);
972 f8a36e22 2021-08-26 stsp refname = NULL;
974 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_PACK_REQUEST:
975 f8a36e22 2021-08-26 stsp if (datalen != 0) {
976 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
979 f8a36e22 2021-08-26 stsp /* got-send-pack is now waiting for a pack file. */
983 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
989 f8a36e22 2021-08-26 stsp free(refname);
990 b9f99abf 2020-03-18 stsp imsg_free(&imsg);
991 b9f99abf 2020-03-18 stsp return err;
994 93658fb9 2020-03-18 stsp const struct got_error *
995 f8a36e22 2021-08-26 stsp got_privsep_send_packfd(struct imsgbuf *ibuf, int fd)
997 f8a36e22 2021-08-26 stsp return send_fd(ibuf, GOT_IMSG_SEND_PACKFD, fd);
1000 f8a36e22 2021-08-26 stsp const struct got_error *
1001 f8a36e22 2021-08-26 stsp got_privsep_recv_send_progress(int *done, off_t *bytes_sent,
1002 f8a36e22 2021-08-26 stsp int *success, char **refname, struct imsgbuf *ibuf)
1004 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
1005 f8a36e22 2021-08-26 stsp struct imsg imsg;
1006 f8a36e22 2021-08-26 stsp size_t datalen;
1007 f8a36e22 2021-08-26 stsp struct got_imsg_send_ref_status iref_status;
1009 f8a36e22 2021-08-26 stsp /* Do not reset the current value of 'bytes_sent', it accumulates. */
1010 f8a36e22 2021-08-26 stsp *done = 0;
1011 f8a36e22 2021-08-26 stsp *success = 0;
1012 f8a36e22 2021-08-26 stsp *refname = NULL;
1014 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1016 f8a36e22 2021-08-26 stsp return err;
1018 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1019 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
1020 f8a36e22 2021-08-26 stsp case GOT_IMSG_ERROR:
1021 f8a36e22 2021-08-26 stsp err = recv_imsg_error(&imsg, datalen);
1023 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_UPLOAD_PROGRESS:
1024 f8a36e22 2021-08-26 stsp if (datalen < sizeof(*bytes_sent)) {
1025 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1028 f8a36e22 2021-08-26 stsp memcpy(bytes_sent, imsg.data, sizeof(*bytes_sent));
1030 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REF_STATUS:
1031 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iref_status)) {
1032 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1035 f8a36e22 2021-08-26 stsp memcpy(&iref_status, imsg.data, sizeof(iref_status));
1036 f8a36e22 2021-08-26 stsp if (datalen != sizeof(iref_status) + iref_status.name_len) {
1037 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1040 f8a36e22 2021-08-26 stsp *success = iref_status.success;
1041 f8a36e22 2021-08-26 stsp *refname = strndup(imsg.data + sizeof(iref_status),
1042 f8a36e22 2021-08-26 stsp iref_status.name_len);
1044 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_DONE:
1045 f8a36e22 2021-08-26 stsp if (datalen != 0) {
1046 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1049 f8a36e22 2021-08-26 stsp *done = 1;
1052 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1056 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
1057 f8a36e22 2021-08-26 stsp return err;
1060 f8a36e22 2021-08-26 stsp const struct got_error *
1061 fd251256 2020-03-24 stsp got_privsep_send_index_pack_req(struct imsgbuf *ibuf, uint8_t *pack_sha1,
1064 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1066 668a20f6 2020-03-18 stsp /* Keep in sync with struct got_imsg_index_pack_request */
1067 93658fb9 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_IDXPACK_REQUEST, 0, 0, fd,
1068 fd251256 2020-03-24 stsp pack_sha1, SHA1_DIGEST_LENGTH) == -1) {
1069 93658fb9 2020-03-18 stsp err = got_error_from_errno("imsg_compose INDEX_REQUEST");
1070 93658fb9 2020-03-18 stsp close(fd);
1071 93658fb9 2020-03-18 stsp return err;
1073 baa9fea0 2020-03-18 stsp return flush_imsg(ibuf);
1076 baa9fea0 2020-03-18 stsp const struct got_error *
1077 73ab1060 2020-03-18 stsp got_privsep_send_index_pack_outfd(struct imsgbuf *ibuf, int fd)
1079 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_IDXPACK_OUTFD, fd);
1082 73ab1060 2020-03-18 stsp const struct got_error *
1083 668a20f6 2020-03-18 stsp got_privsep_recv_index_progress(int *done, int *nobj_total,
1084 668a20f6 2020-03-18 stsp int *nobj_indexed, int *nobj_loose, int *nobj_resolved,
1085 668a20f6 2020-03-18 stsp struct imsgbuf *ibuf)
1087 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1088 93658fb9 2020-03-18 stsp struct imsg imsg;
1089 baa9fea0 2020-03-18 stsp struct got_imsg_index_pack_progress *iprogress;
1090 baa9fea0 2020-03-18 stsp size_t datalen;
1092 baa9fea0 2020-03-18 stsp *done = 0;
1093 668a20f6 2020-03-18 stsp *nobj_total = 0;
1094 668a20f6 2020-03-18 stsp *nobj_indexed = 0;
1095 668a20f6 2020-03-18 stsp *nobj_resolved = 0;
1097 93658fb9 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1099 93658fb9 2020-03-18 stsp return err;
1101 baa9fea0 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1102 baa9fea0 2020-03-18 stsp switch (imsg.hdr.type) {
1103 baa9fea0 2020-03-18 stsp case GOT_IMSG_ERROR:
1104 baa9fea0 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
1106 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_PROGRESS:
1107 baa9fea0 2020-03-18 stsp if (datalen < sizeof(*iprogress)) {
1108 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1111 baa9fea0 2020-03-18 stsp iprogress = (struct got_imsg_index_pack_progress *)imsg.data;
1112 c98b0f0b 2022-06-14 op if (iprogress->nobj_total < 0 || iprogress->nobj_indexed < 0 ||
1113 c98b0f0b 2022-06-14 op iprogress->nobj_loose < 0 || iprogress->nobj_resolved < 0) {
1114 c98b0f0b 2022-06-14 op err = got_error(GOT_ERR_RANGE);
1117 668a20f6 2020-03-18 stsp *nobj_total = iprogress->nobj_total;
1118 668a20f6 2020-03-18 stsp *nobj_indexed = iprogress->nobj_indexed;
1119 668a20f6 2020-03-18 stsp *nobj_loose = iprogress->nobj_loose;
1120 668a20f6 2020-03-18 stsp *nobj_resolved = iprogress->nobj_resolved;
1122 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_DONE:
1123 baa9fea0 2020-03-18 stsp if (datalen != 0) {
1124 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1127 baa9fea0 2020-03-18 stsp *done = 1;
1130 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1134 93658fb9 2020-03-18 stsp imsg_free(&imsg);
1135 baa9fea0 2020-03-18 stsp return err;
1138 93658fb9 2020-03-18 stsp const struct got_error *
1139 cfd633c2 2018-09-10 stsp got_privsep_get_imsg_obj(struct got_object **obj, struct imsg *imsg,
1140 cfd633c2 2018-09-10 stsp struct imsgbuf *ibuf)
1142 291624d8 2018-11-07 stsp struct got_imsg_object *iobj;
1143 cfd633c2 2018-09-10 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1145 291624d8 2018-11-07 stsp if (datalen != sizeof(*iobj))
1146 cfd633c2 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1147 291624d8 2018-11-07 stsp iobj = imsg->data;
1149 c98b0f0b 2022-06-14 op if (iobj->pack_offset < 0)
1150 c98b0f0b 2022-06-14 op return got_error(GOT_ERR_PACK_OFFSET);
1152 cfd633c2 2018-09-10 stsp *obj = calloc(1, sizeof(**obj));
1153 cfd633c2 2018-09-10 stsp if (*obj == NULL)
1154 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
1156 291624d8 2018-11-07 stsp memcpy((*obj)->id.sha1, iobj->id, SHA1_DIGEST_LENGTH);
1157 291624d8 2018-11-07 stsp (*obj)->type = iobj->type;
1158 291624d8 2018-11-07 stsp (*obj)->flags = iobj->flags;
1159 291624d8 2018-11-07 stsp (*obj)->hdrlen = iobj->hdrlen;
1160 291624d8 2018-11-07 stsp (*obj)->size = iobj->size;
1161 c59b3346 2018-09-11 stsp /* path_packfile is handled by caller */
1162 291624d8 2018-11-07 stsp if (iobj->flags & GOT_OBJ_FLAG_PACKED) {
1163 291624d8 2018-11-07 stsp (*obj)->pack_offset = iobj->pack_offset;
1164 291624d8 2018-11-07 stsp (*obj)->pack_idx = iobj->pack_idx;
1166 d1b988e3 2022-01-26 stsp STAILQ_INIT(&(*obj)->deltas.entries);
1167 9296b03b 2022-01-26 stsp return NULL;
1170 2178c42e 2018-04-22 stsp const struct got_error *
1171 2178c42e 2018-04-22 stsp got_privsep_recv_obj(struct got_object **obj, struct imsgbuf *ibuf)
1173 2178c42e 2018-04-22 stsp const struct got_error *err = NULL;
1174 2178c42e 2018-04-22 stsp struct imsg imsg;
1175 c4eae628 2018-04-23 stsp const size_t min_datalen =
1176 c4eae628 2018-04-23 stsp MIN(sizeof(struct got_imsg_error), sizeof(struct got_imsg_object));
1178 2178c42e 2018-04-22 stsp *obj = NULL;
1180 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1182 2178c42e 2018-04-22 stsp return err;
1184 2178c42e 2018-04-22 stsp switch (imsg.hdr.type) {
1185 2178c42e 2018-04-22 stsp case GOT_IMSG_OBJECT:
1186 cfd633c2 2018-09-10 stsp err = got_privsep_get_imsg_obj(obj, &imsg, ibuf);
1189 bff6ca00 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1193 bff6ca00 2018-04-23 stsp imsg_free(&imsg);
1195 bff6ca00 2018-04-23 stsp return err;
1198 c75f7264 2018-09-11 stsp static const struct got_error *
1199 c75f7264 2018-09-11 stsp send_commit_logmsg(struct imsgbuf *ibuf, struct got_commit_object *commit,
1200 c75f7264 2018-09-11 stsp size_t logmsg_len)
1202 fa4ffeb3 2018-11-04 stsp const struct got_error *err = NULL;
1203 c75f7264 2018-09-11 stsp size_t offset, remain;
1205 c75f7264 2018-09-11 stsp offset = 0;
1206 c75f7264 2018-09-11 stsp remain = logmsg_len;
1207 c75f7264 2018-09-11 stsp while (remain > 0) {
1208 c75f7264 2018-09-11 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1210 c75f7264 2018-09-11 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_LOGMSG, 0, 0, -1,
1211 fa4ffeb3 2018-11-04 stsp commit->logmsg + offset, n) == -1) {
1212 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose "
1213 230a42bd 2019-05-11 jcs "COMMIT_LOGMSG");
1217 fa4ffeb3 2018-11-04 stsp err = flush_imsg(ibuf);
1221 c75f7264 2018-09-11 stsp offset += n;
1222 c75f7264 2018-09-11 stsp remain -= n;
1225 fa4ffeb3 2018-11-04 stsp return err;
1228 bff6ca00 2018-04-23 stsp const struct got_error *
1229 068fd2bf 2018-04-24 stsp got_privsep_send_commit(struct imsgbuf *ibuf, struct got_commit_object *commit)
1231 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1232 b9c33926 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1233 bff6ca00 2018-04-23 stsp uint8_t *buf;
1234 bff6ca00 2018-04-23 stsp size_t len, total;
1235 79f35eb3 2018-06-11 stsp struct got_object_qid *qid;
1236 b9c33926 2018-11-07 stsp size_t author_len = strlen(commit->author);
1237 b9c33926 2018-11-07 stsp size_t committer_len = strlen(commit->committer);
1238 c75f7264 2018-09-11 stsp size_t logmsg_len = strlen(commit->logmsg);
1240 b9c33926 2018-11-07 stsp total = sizeof(*icommit) + author_len + committer_len +
1241 b9c33926 2018-11-07 stsp commit->nparents * SHA1_DIGEST_LENGTH;
1243 bff6ca00 2018-04-23 stsp buf = malloc(total);
1244 bff6ca00 2018-04-23 stsp if (buf == NULL)
1245 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1247 b9c33926 2018-11-07 stsp icommit = (struct got_imsg_commit_object *)buf;
1248 a7403916 2018-12-24 stsp memcpy(icommit->tree_id, commit->tree_id->sha1,
1249 a7403916 2018-12-24 stsp sizeof(icommit->tree_id));
1250 b9c33926 2018-11-07 stsp icommit->author_len = author_len;
1251 b9c33926 2018-11-07 stsp icommit->author_time = commit->author_time;
1252 b9c33926 2018-11-07 stsp icommit->author_gmtoff = commit->author_gmtoff;
1253 b9c33926 2018-11-07 stsp icommit->committer_len = committer_len;
1254 b9c33926 2018-11-07 stsp icommit->committer_time = commit->committer_time;
1255 b9c33926 2018-11-07 stsp icommit->committer_gmtoff = commit->committer_gmtoff;
1256 b9c33926 2018-11-07 stsp icommit->logmsg_len = logmsg_len;
1257 b9c33926 2018-11-07 stsp icommit->nparents = commit->nparents;
1259 b9c33926 2018-11-07 stsp len = sizeof(*icommit);
1260 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->author, author_len);
1261 b9c33926 2018-11-07 stsp len += author_len;
1262 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->committer, committer_len);
1263 b9c33926 2018-11-07 stsp len += committer_len;
1264 dbdddfee 2021-06-23 naddy STAILQ_FOREACH(qid, &commit->parent_ids, entry) {
1265 d7b5a0e8 2022-04-20 stsp memcpy(buf + len, &qid->id, SHA1_DIGEST_LENGTH);
1266 86acc566 2018-04-23 stsp len += SHA1_DIGEST_LENGTH;
1269 bff6ca00 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT, 0, 0, -1, buf, len) == -1) {
1270 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT");
1271 bff6ca00 2018-04-23 stsp goto done;
1274 904df868 2018-11-04 stsp if (logmsg_len == 0 ||
1275 904df868 2018-11-04 stsp logmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1276 904df868 2018-11-04 stsp err = flush_imsg(ibuf);
1278 904df868 2018-11-04 stsp goto done;
1280 c75f7264 2018-09-11 stsp err = send_commit_logmsg(ibuf, commit, logmsg_len);
1282 bff6ca00 2018-04-23 stsp free(buf);
1283 bff6ca00 2018-04-23 stsp return err;
1286 ca6e02ac 2020-01-07 stsp static const struct got_error *
1287 ca6e02ac 2020-01-07 stsp get_commit_from_imsg(struct got_commit_object **commit,
1288 ca6e02ac 2020-01-07 stsp struct imsg *imsg, size_t datalen, struct imsgbuf *ibuf)
1290 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1291 291624d8 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1292 ca6e02ac 2020-01-07 stsp size_t len = 0;
1295 ca6e02ac 2020-01-07 stsp if (datalen < sizeof(*icommit))
1296 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1298 ca6e02ac 2020-01-07 stsp icommit = imsg->data;
1299 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommit) + icommit->author_len +
1300 ca6e02ac 2020-01-07 stsp icommit->committer_len +
1301 ca6e02ac 2020-01-07 stsp icommit->nparents * SHA1_DIGEST_LENGTH)
1302 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1304 ca6e02ac 2020-01-07 stsp if (icommit->nparents < 0)
1305 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1307 ca6e02ac 2020-01-07 stsp len += sizeof(*icommit);
1309 ca6e02ac 2020-01-07 stsp *commit = got_object_commit_alloc_partial();
1310 ca6e02ac 2020-01-07 stsp if (*commit == NULL)
1311 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
1312 ca6e02ac 2020-01-07 stsp "got_object_commit_alloc_partial");
1314 ca6e02ac 2020-01-07 stsp memcpy((*commit)->tree_id->sha1, icommit->tree_id,
1315 ca6e02ac 2020-01-07 stsp SHA1_DIGEST_LENGTH);
1316 ca6e02ac 2020-01-07 stsp (*commit)->author_time = icommit->author_time;
1317 ca6e02ac 2020-01-07 stsp (*commit)->author_gmtoff = icommit->author_gmtoff;
1318 ca6e02ac 2020-01-07 stsp (*commit)->committer_time = icommit->committer_time;
1319 ca6e02ac 2020-01-07 stsp (*commit)->committer_gmtoff = icommit->committer_gmtoff;
1321 bf31a716 2022-06-14 op (*commit)->author = strndup(imsg->data + len, icommit->author_len);
1322 bf31a716 2022-06-14 op if ((*commit)->author == NULL) {
1323 bf31a716 2022-06-14 op err = got_error_from_errno("strndup");
1326 ca6e02ac 2020-01-07 stsp len += icommit->author_len;
1328 bf31a716 2022-06-14 op (*commit)->committer = strndup(imsg->data + len,
1329 bf31a716 2022-06-14 op icommit->committer_len);
1330 bf31a716 2022-06-14 op if ((*commit)->committer == NULL) {
1331 bf31a716 2022-06-14 op err = got_error_from_errno("strndup");
1334 ca6e02ac 2020-01-07 stsp len += icommit->committer_len;
1336 ca6e02ac 2020-01-07 stsp if (icommit->logmsg_len == 0) {
1337 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = strdup("");
1338 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1339 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1340 ca6e02ac 2020-01-07 stsp goto done;
1343 ca6e02ac 2020-01-07 stsp size_t offset = 0, remain = icommit->logmsg_len;
1345 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = malloc(icommit->logmsg_len + 1);
1346 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1347 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1348 ca6e02ac 2020-01-07 stsp goto done;
1350 ca6e02ac 2020-01-07 stsp while (remain > 0) {
1351 ca6e02ac 2020-01-07 stsp struct imsg imsg_log;
1352 ca6e02ac 2020-01-07 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1355 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1357 ca6e02ac 2020-01-07 stsp goto done;
1359 ca6e02ac 2020-01-07 stsp if (imsg_log.hdr.type != GOT_IMSG_COMMIT_LOGMSG) {
1360 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1361 ca6e02ac 2020-01-07 stsp goto done;
1364 ca6e02ac 2020-01-07 stsp memcpy((*commit)->logmsg + offset,
1365 ca6e02ac 2020-01-07 stsp imsg_log.data, n);
1366 ca6e02ac 2020-01-07 stsp imsg_free(&imsg_log);
1367 ca6e02ac 2020-01-07 stsp offset += n;
1368 ca6e02ac 2020-01-07 stsp remain -= n;
1370 ca6e02ac 2020-01-07 stsp (*commit)->logmsg[icommit->logmsg_len] = '\0';
1373 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommit->nparents; i++) {
1374 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
1376 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
1379 d7b5a0e8 2022-04-20 stsp memcpy(&qid->id, imsg->data + len +
1380 d7b5a0e8 2022-04-20 stsp i * SHA1_DIGEST_LENGTH, sizeof(qid->id));
1381 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(&(*commit)->parent_ids, qid, entry);
1382 ca6e02ac 2020-01-07 stsp (*commit)->nparents++;
1385 ca6e02ac 2020-01-07 stsp if (err) {
1386 ca6e02ac 2020-01-07 stsp got_object_commit_close(*commit);
1387 ca6e02ac 2020-01-07 stsp *commit = NULL;
1389 ca6e02ac 2020-01-07 stsp return err;
1392 ca6e02ac 2020-01-07 stsp const struct got_error *
1393 ca6e02ac 2020-01-07 stsp got_privsep_recv_commit(struct got_commit_object **commit, struct imsgbuf *ibuf)
1395 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
1396 ca6e02ac 2020-01-07 stsp struct imsg imsg;
1397 ca6e02ac 2020-01-07 stsp size_t datalen;
1398 ca6e02ac 2020-01-07 stsp const size_t min_datalen =
1399 ca6e02ac 2020-01-07 stsp MIN(sizeof(struct got_imsg_error),
1400 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_object));
1402 ca6e02ac 2020-01-07 stsp *commit = NULL;
1404 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1406 ca6e02ac 2020-01-07 stsp return err;
1408 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1410 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
1411 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
1412 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(commit, &imsg, datalen, ibuf);
1415 8c580685 2018-04-22 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1419 2178c42e 2018-04-22 stsp imsg_free(&imsg);
1421 e033d803 2018-04-23 stsp return err;
1424 33fd69c2 2022-05-19 stsp static const struct got_error *
1425 0ab4c957 2022-06-13 stsp send_tree_entries_batch(struct imsgbuf *ibuf,
1426 0ab4c957 2022-06-13 stsp struct got_parsed_tree_entry *entries, int idx0, int idxN, size_t len)
1428 33fd69c2 2022-05-19 stsp struct ibuf *wbuf;
1429 33fd69c2 2022-05-19 stsp struct got_imsg_tree_entries ientries;
1432 031611fc 2022-06-18 op memset(&ientries, 0, sizeof(ientries));
1434 33fd69c2 2022-05-19 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_ENTRIES, 0, 0, len);
1435 33fd69c2 2022-05-19 stsp if (wbuf == NULL)
1436 33fd69c2 2022-05-19 stsp return got_error_from_errno("imsg_create TREE_ENTRY");
1438 33fd69c2 2022-05-19 stsp ientries.nentries = idxN - idx0 + 1;
1439 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &ientries, sizeof(ientries)) == -1)
1440 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_ENTRY");
1442 33fd69c2 2022-05-19 stsp for (i = idx0; i <= idxN; i++) {
1443 33fd69c2 2022-05-19 stsp struct got_parsed_tree_entry *pte = &entries[i];
1445 3022d272 2019-11-14 stsp /* Keep in sync with struct got_imsg_tree_object definition! */
1446 1453347d 2022-05-19 stsp if (imsg_add(wbuf, pte->id, SHA1_DIGEST_LENGTH) == -1)
1447 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_ENTRY");
1448 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &pte->mode, sizeof(pte->mode)) == -1)
1449 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_ENTRY");
1450 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &pte->namelen, sizeof(pte->namelen)) == -1)
1451 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_ENTRY");
1453 33fd69c2 2022-05-19 stsp /* Remaining bytes are the entry's name. */
1454 1453347d 2022-05-19 stsp if (imsg_add(wbuf, pte->name, pte->namelen) == -1)
1455 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_ENTRY");
1458 33fd69c2 2022-05-19 stsp wbuf->fd = -1;
1459 33fd69c2 2022-05-19 stsp imsg_close(ibuf, wbuf);
1460 33fd69c2 2022-05-19 stsp return NULL;
1463 0ab4c957 2022-06-13 stsp static const struct got_error *
1464 0ab4c957 2022-06-13 stsp send_tree_entries(struct imsgbuf *ibuf, struct got_parsed_tree_entry *entries,
1465 0ab4c957 2022-06-13 stsp int nentries)
1467 33fd69c2 2022-05-19 stsp const struct got_error *err = NULL;
1469 0ab4c957 2022-06-13 stsp size_t entries_len = sizeof(struct got_imsg_tree_entries);
1472 33fd69c2 2022-05-19 stsp for (j = 0; j < nentries; j++) {
1473 33fd69c2 2022-05-19 stsp struct got_parsed_tree_entry *pte = &entries[j];
1474 6c77e033 2022-07-02 op size_t len = SHA1_DIGEST_LENGTH + sizeof(pte->mode) +
1475 6c77e033 2022-07-02 op sizeof(pte->namelen) + pte->namelen;
1477 33fd69c2 2022-05-19 stsp if (j > 0 &&
1478 33fd69c2 2022-05-19 stsp entries_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1479 0ab4c957 2022-06-13 stsp err = send_tree_entries_batch(ibuf, entries,
1480 33fd69c2 2022-05-19 stsp i, j - 1, entries_len);
1482 33fd69c2 2022-05-19 stsp return err;
1484 33fd69c2 2022-05-19 stsp entries_len = sizeof(struct got_imsg_tree_entries);
1487 33fd69c2 2022-05-19 stsp entries_len += len;
1490 33fd69c2 2022-05-19 stsp if (j > 0) {
1491 0ab4c957 2022-06-13 stsp err = send_tree_entries_batch(ibuf, entries, i, j - 1,
1492 0ab4c957 2022-06-13 stsp entries_len);
1494 33fd69c2 2022-05-19 stsp return err;
1497 0ab4c957 2022-06-13 stsp return NULL;
1500 0ab4c957 2022-06-13 stsp const struct got_error *
1501 0ab4c957 2022-06-13 stsp got_privsep_send_tree(struct imsgbuf *ibuf,
1502 0ab4c957 2022-06-13 stsp struct got_parsed_tree_entry *entries, int nentries)
1504 0ab4c957 2022-06-13 stsp const struct got_error *err = NULL;
1505 0ab4c957 2022-06-13 stsp struct got_imsg_tree_object itree;
1507 031611fc 2022-06-18 op memset(&itree, 0, sizeof(itree));
1508 0ab4c957 2022-06-13 stsp itree.nentries = nentries;
1509 0ab4c957 2022-06-13 stsp if (imsg_compose(ibuf, GOT_IMSG_TREE, 0, 0, -1, &itree, sizeof(itree))
1511 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_compose TREE");
1513 0ab4c957 2022-06-13 stsp err = send_tree_entries(ibuf, entries, nentries);
1515 0ab4c957 2022-06-13 stsp return err;
1517 b00c9821 2018-11-04 stsp return flush_imsg(ibuf);
1521 0ab4c957 2022-06-13 stsp static const struct got_error *
1522 0ab4c957 2022-06-13 stsp recv_tree_entries(void *data, size_t datalen, struct got_tree_object *tree,
1523 0ab4c957 2022-06-13 stsp int *nentries)
1525 0ab4c957 2022-06-13 stsp const struct got_error *err = NULL;
1526 0ab4c957 2022-06-13 stsp struct got_imsg_tree_entries *ientries;
1527 0ab4c957 2022-06-13 stsp struct got_tree_entry *te;
1528 0ab4c957 2022-06-13 stsp size_t te_offset;
1531 0ab4c957 2022-06-13 stsp if (datalen <= sizeof(*ientries) ||
1532 0ab4c957 2022-06-13 stsp datalen > MAX_IMSGSIZE - IMSG_HEADER_SIZE)
1533 0ab4c957 2022-06-13 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1535 0ab4c957 2022-06-13 stsp ientries = (struct got_imsg_tree_entries *)data;
1536 0ab4c957 2022-06-13 stsp if (ientries->nentries > INT_MAX) {
1537 0ab4c957 2022-06-13 stsp return got_error_msg(GOT_ERR_NO_SPACE,
1538 0ab4c957 2022-06-13 stsp "too many tree entries");
1541 0ab4c957 2022-06-13 stsp te_offset = sizeof(*ientries);
1542 0ab4c957 2022-06-13 stsp for (i = 0; i < ientries->nentries; i++) {
1543 0ab4c957 2022-06-13 stsp struct got_imsg_tree_entry ite;
1544 0ab4c957 2022-06-13 stsp const char *te_name;
1545 0ab4c957 2022-06-13 stsp uint8_t *buf = (uint8_t *)data + te_offset;
1547 0ab4c957 2022-06-13 stsp if (te_offset >= datalen) {
1548 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1552 0ab4c957 2022-06-13 stsp /* Might not be aligned, size is ~32 bytes. */
1553 0ab4c957 2022-06-13 stsp memcpy(&ite, buf, sizeof(ite));
1555 0ab4c957 2022-06-13 stsp if (ite.namelen >= sizeof(te->name)) {
1556 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1559 0ab4c957 2022-06-13 stsp if (te_offset + sizeof(ite) + ite.namelen > datalen) {
1560 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1564 0ab4c957 2022-06-13 stsp if (*nentries >= tree->nentries) {
1565 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1568 0ab4c957 2022-06-13 stsp te = &tree->entries[*nentries];
1569 0ab4c957 2022-06-13 stsp te_name = buf + sizeof(ite);
1570 0ab4c957 2022-06-13 stsp memcpy(te->name, te_name, ite.namelen);
1571 0ab4c957 2022-06-13 stsp te->name[ite.namelen] = '\0';
1572 0ab4c957 2022-06-13 stsp memcpy(te->id.sha1, ite.id, SHA1_DIGEST_LENGTH);
1573 0ab4c957 2022-06-13 stsp te->mode = ite.mode;
1574 0ab4c957 2022-06-13 stsp te->idx = *nentries;
1575 0ab4c957 2022-06-13 stsp (*nentries)++;
1577 0ab4c957 2022-06-13 stsp te_offset += sizeof(ite) + ite.namelen;
1580 0ab4c957 2022-06-13 stsp return err;
1583 e033d803 2018-04-23 stsp const struct got_error *
1584 068fd2bf 2018-04-24 stsp got_privsep_recv_tree(struct got_tree_object **tree, struct imsgbuf *ibuf)
1586 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
1587 e033d803 2018-04-23 stsp const size_t min_datalen =
1588 e033d803 2018-04-23 stsp MIN(sizeof(struct got_imsg_error),
1589 e033d803 2018-04-23 stsp sizeof(struct got_imsg_tree_object));
1590 291624d8 2018-11-07 stsp struct got_imsg_tree_object *itree;
1591 e033d803 2018-04-23 stsp int nentries = 0;
1593 e033d803 2018-04-23 stsp *tree = NULL;
1595 e033d803 2018-04-23 stsp err = read_imsg(ibuf);
1597 1e51f5b9 2018-04-23 stsp goto done;
1600 e033d803 2018-04-23 stsp struct imsg imsg;
1602 e033d803 2018-04-23 stsp size_t datalen;
1604 e033d803 2018-04-23 stsp n = imsg_get(ibuf, &imsg);
1605 e033d803 2018-04-23 stsp if (n == 0) {
1606 7429ae85 2022-05-18 stsp if ((*tree)) {
1607 7429ae85 2022-05-18 stsp if (nentries < (*tree)->nentries) {
1608 7429ae85 2022-05-18 stsp err = read_imsg(ibuf);
1615 7429ae85 2022-05-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1620 fca1f6ad 2020-08-27 stsp if (imsg.hdr.len < IMSG_HEADER_SIZE + min_datalen) {
1621 fca1f6ad 2020-08-27 stsp imsg_free(&imsg);
1622 fca1f6ad 2020-08-27 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1626 e033d803 2018-04-23 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1628 e033d803 2018-04-23 stsp switch (imsg.hdr.type) {
1629 e033d803 2018-04-23 stsp case GOT_IMSG_ERROR:
1630 e033d803 2018-04-23 stsp err = recv_imsg_error(&imsg, datalen);
1632 e033d803 2018-04-23 stsp case GOT_IMSG_TREE:
1633 e033d803 2018-04-23 stsp /* This message should only appear once. */
1634 e033d803 2018-04-23 stsp if (*tree != NULL) {
1635 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1638 291624d8 2018-11-07 stsp if (datalen != sizeof(*itree)) {
1639 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1642 291624d8 2018-11-07 stsp itree = imsg.data;
1643 13fcf1bf 2022-05-18 stsp if (itree->nentries < 0) {
1644 13fcf1bf 2022-05-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1647 c3b78ecc 2018-11-07 stsp *tree = malloc(sizeof(**tree));
1648 e033d803 2018-04-23 stsp if (*tree == NULL) {
1649 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1652 56e0773d 2019-11-28 stsp (*tree)->entries = calloc(itree->nentries,
1653 56e0773d 2019-11-28 stsp sizeof(struct got_tree_entry));
1654 56e0773d 2019-11-28 stsp if ((*tree)->entries == NULL) {
1655 56e0773d 2019-11-28 stsp err = got_error_from_errno("malloc");
1656 baef4d75 2022-05-18 stsp free(*tree);
1657 baef4d75 2022-05-18 stsp *tree = NULL;
1660 56e0773d 2019-11-28 stsp (*tree)->nentries = itree->nentries;
1661 c3b78ecc 2018-11-07 stsp (*tree)->refcnt = 0;
1663 33fd69c2 2022-05-19 stsp case GOT_IMSG_TREE_ENTRIES:
1664 e033d803 2018-04-23 stsp /* This message should be preceeded by GOT_IMSG_TREE. */
1665 e033d803 2018-04-23 stsp if (*tree == NULL) {
1666 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1669 0ab4c957 2022-06-13 stsp err = recv_tree_entries(imsg.data, datalen,
1670 0ab4c957 2022-06-13 stsp *tree, &nentries);
1673 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1677 e033d803 2018-04-23 stsp imsg_free(&imsg);
1682 56e0773d 2019-11-28 stsp if (*tree && (*tree)->nentries != nentries) {
1683 1e51f5b9 2018-04-23 stsp if (err == NULL)
1684 1e51f5b9 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1685 e033d803 2018-04-23 stsp got_object_tree_close(*tree);
1686 e033d803 2018-04-23 stsp *tree = NULL;
1689 ff6b18f8 2018-04-24 stsp return err;
1692 ff6b18f8 2018-04-24 stsp const struct got_error *
1693 ac544f8c 2019-01-13 stsp got_privsep_send_blob(struct imsgbuf *ibuf, size_t size, size_t hdrlen,
1694 ac544f8c 2019-01-13 stsp const uint8_t *data)
1696 2967a784 2018-04-24 stsp struct got_imsg_blob iblob;
1698 031611fc 2022-06-18 op memset(&iblob, 0, sizeof(iblob));
1699 2967a784 2018-04-24 stsp iblob.size = size;
1700 ebc55e2d 2018-12-24 stsp iblob.hdrlen = hdrlen;
1702 ac544f8c 2019-01-13 stsp if (data) {
1703 ac544f8c 2019-01-13 stsp uint8_t *buf;
1705 ac544f8c 2019-01-13 stsp if (size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX)
1706 ac544f8c 2019-01-13 stsp return got_error(GOT_ERR_NO_SPACE);
1708 ac544f8c 2019-01-13 stsp buf = malloc(sizeof(iblob) + size);
1709 ac544f8c 2019-01-13 stsp if (buf == NULL)
1710 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1712 ac544f8c 2019-01-13 stsp memcpy(buf, &iblob, sizeof(iblob));
1713 ac544f8c 2019-01-13 stsp memcpy(buf + sizeof(iblob), data, size);
1714 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, buf,
1715 62d463ca 2020-10-20 naddy sizeof(iblob) + size) == -1) {
1716 ac544f8c 2019-01-13 stsp free(buf);
1717 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1719 ac544f8c 2019-01-13 stsp free(buf);
1721 ac544f8c 2019-01-13 stsp /* Data has already been written to file descriptor. */
1722 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, &iblob,
1723 ac544f8c 2019-01-13 stsp sizeof(iblob)) == -1)
1724 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1728 ff6b18f8 2018-04-24 stsp return flush_imsg(ibuf);
1731 ff6b18f8 2018-04-24 stsp const struct got_error *
1732 ac544f8c 2019-01-13 stsp got_privsep_recv_blob(uint8_t **outbuf, size_t *size, size_t *hdrlen,
1733 ac544f8c 2019-01-13 stsp struct imsgbuf *ibuf)
1735 ff6b18f8 2018-04-24 stsp const struct got_error *err = NULL;
1736 ff6b18f8 2018-04-24 stsp struct imsg imsg;
1737 291624d8 2018-11-07 stsp struct got_imsg_blob *iblob;
1738 ff6b18f8 2018-04-24 stsp size_t datalen;
1740 ac544f8c 2019-01-13 stsp *outbuf = NULL;
1742 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1744 ff6b18f8 2018-04-24 stsp return err;
1746 ff6b18f8 2018-04-24 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1748 ff6b18f8 2018-04-24 stsp switch (imsg.hdr.type) {
1749 ff6b18f8 2018-04-24 stsp case GOT_IMSG_BLOB:
1750 ac544f8c 2019-01-13 stsp if (datalen < sizeof(*iblob)) {
1751 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1754 291624d8 2018-11-07 stsp iblob = imsg.data;
1755 291624d8 2018-11-07 stsp *size = iblob->size;
1756 ebc55e2d 2018-12-24 stsp *hdrlen = iblob->hdrlen;
1758 ac544f8c 2019-01-13 stsp if (datalen == sizeof(*iblob)) {
1759 ac544f8c 2019-01-13 stsp /* Data has been written to file descriptor. */
1763 c98b0f0b 2022-06-14 op if (*size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX ||
1764 c98b0f0b 2022-06-14 op *size > datalen + sizeof(*iblob)) {
1765 ac544f8c 2019-01-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1769 ac544f8c 2019-01-13 stsp *outbuf = malloc(*size);
1770 ac544f8c 2019-01-13 stsp if (*outbuf == NULL) {
1771 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1774 ac544f8c 2019-01-13 stsp memcpy(*outbuf, imsg.data + sizeof(*iblob), *size);
1777 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1781 f4a881ce 2018-11-17 stsp imsg_free(&imsg);
1783 f4a881ce 2018-11-17 stsp return err;
1786 f4a881ce 2018-11-17 stsp static const struct got_error *
1787 f4a881ce 2018-11-17 stsp send_tagmsg(struct imsgbuf *ibuf, struct got_tag_object *tag, size_t tagmsg_len)
1789 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1790 f4a881ce 2018-11-17 stsp size_t offset, remain;
1792 f4a881ce 2018-11-17 stsp offset = 0;
1793 f4a881ce 2018-11-17 stsp remain = tagmsg_len;
1794 f4a881ce 2018-11-17 stsp while (remain > 0) {
1795 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1797 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_TAGMSG, 0, 0, -1,
1798 f4a881ce 2018-11-17 stsp tag->tagmsg + offset, n) == -1) {
1799 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG_TAGMSG");
1803 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1807 f4a881ce 2018-11-17 stsp offset += n;
1808 f4a881ce 2018-11-17 stsp remain -= n;
1811 f4a881ce 2018-11-17 stsp return err;
1814 f4a881ce 2018-11-17 stsp const struct got_error *
1815 f4a881ce 2018-11-17 stsp got_privsep_send_tag(struct imsgbuf *ibuf, struct got_tag_object *tag)
1817 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1818 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1819 f4a881ce 2018-11-17 stsp uint8_t *buf;
1820 f4a881ce 2018-11-17 stsp size_t len, total;
1821 f4a881ce 2018-11-17 stsp size_t tag_len = strlen(tag->tag);
1822 f4a881ce 2018-11-17 stsp size_t tagger_len = strlen(tag->tagger);
1823 f4a881ce 2018-11-17 stsp size_t tagmsg_len = strlen(tag->tagmsg);
1825 f4a881ce 2018-11-17 stsp total = sizeof(*itag) + tag_len + tagger_len + tagmsg_len;
1827 f4a881ce 2018-11-17 stsp buf = malloc(total);
1828 f4a881ce 2018-11-17 stsp if (buf == NULL)
1829 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1831 f4a881ce 2018-11-17 stsp itag = (struct got_imsg_tag_object *)buf;
1832 f4a881ce 2018-11-17 stsp memcpy(itag->id, tag->id.sha1, sizeof(itag->id));
1833 f4a881ce 2018-11-17 stsp itag->obj_type = tag->obj_type;
1834 f4a881ce 2018-11-17 stsp itag->tag_len = tag_len;
1835 f4a881ce 2018-11-17 stsp itag->tagger_len = tagger_len;
1836 f4a881ce 2018-11-17 stsp itag->tagger_time = tag->tagger_time;
1837 f4a881ce 2018-11-17 stsp itag->tagger_gmtoff = tag->tagger_gmtoff;
1838 f4a881ce 2018-11-17 stsp itag->tagmsg_len = tagmsg_len;
1840 f4a881ce 2018-11-17 stsp len = sizeof(*itag);
1841 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tag, tag_len);
1842 f4a881ce 2018-11-17 stsp len += tag_len;
1843 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tagger, tagger_len);
1844 f4a881ce 2018-11-17 stsp len += tagger_len;
1846 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG, 0, 0, -1, buf, len) == -1) {
1847 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG");
1848 f4a881ce 2018-11-17 stsp goto done;
1851 f4a881ce 2018-11-17 stsp if (tagmsg_len == 0 ||
1852 f4a881ce 2018-11-17 stsp tagmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1853 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1855 f4a881ce 2018-11-17 stsp goto done;
1857 f4a881ce 2018-11-17 stsp err = send_tagmsg(ibuf, tag, tagmsg_len);
1859 f4a881ce 2018-11-17 stsp free(buf);
1860 f4a881ce 2018-11-17 stsp return err;
1863 f4a881ce 2018-11-17 stsp const struct got_error *
1864 f4a881ce 2018-11-17 stsp got_privsep_recv_tag(struct got_tag_object **tag, struct imsgbuf *ibuf)
1866 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1867 f4a881ce 2018-11-17 stsp struct imsg imsg;
1868 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1869 f4a881ce 2018-11-17 stsp size_t len, datalen;
1870 f4a881ce 2018-11-17 stsp const size_t min_datalen =
1871 f4a881ce 2018-11-17 stsp MIN(sizeof(struct got_imsg_error),
1872 f4a881ce 2018-11-17 stsp sizeof(struct got_imsg_tag_object));
1874 f4a881ce 2018-11-17 stsp *tag = NULL;
1876 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1878 f4a881ce 2018-11-17 stsp return err;
1880 f4a881ce 2018-11-17 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1883 f4a881ce 2018-11-17 stsp switch (imsg.hdr.type) {
1884 f4a881ce 2018-11-17 stsp case GOT_IMSG_TAG:
1885 f4a881ce 2018-11-17 stsp if (datalen < sizeof(*itag)) {
1886 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1889 f4a881ce 2018-11-17 stsp itag = imsg.data;
1890 f4a881ce 2018-11-17 stsp if (datalen != sizeof(*itag) + itag->tag_len +
1891 f4a881ce 2018-11-17 stsp itag->tagger_len) {
1892 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1895 f4a881ce 2018-11-17 stsp len += sizeof(*itag);
1897 f4a881ce 2018-11-17 stsp *tag = calloc(1, sizeof(**tag));
1898 f4a881ce 2018-11-17 stsp if (*tag == NULL) {
1899 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
1903 f4a881ce 2018-11-17 stsp memcpy((*tag)->id.sha1, itag->id, SHA1_DIGEST_LENGTH);
1905 bf31a716 2022-06-14 op (*tag)->tag = strndup(imsg.data + len, itag->tag_len);
1906 bf31a716 2022-06-14 op if ((*tag)->tag == NULL) {
1907 bf31a716 2022-06-14 op err = got_error_from_errno("strndup");
1910 f4a881ce 2018-11-17 stsp len += itag->tag_len;
1912 f4a881ce 2018-11-17 stsp (*tag)->obj_type = itag->obj_type;
1913 f4a881ce 2018-11-17 stsp (*tag)->tagger_time = itag->tagger_time;
1914 f4a881ce 2018-11-17 stsp (*tag)->tagger_gmtoff = itag->tagger_gmtoff;
1916 bf31a716 2022-06-14 op (*tag)->tagger = strndup(imsg.data + len, itag->tagger_len);
1917 bf31a716 2022-06-14 op if ((*tag)->tagger == NULL) {
1918 bf31a716 2022-06-14 op err = got_error_from_errno("strndup");
1921 f4a881ce 2018-11-17 stsp len += itag->tagger_len;
1923 f4a881ce 2018-11-17 stsp if (itag->tagmsg_len == 0) {
1924 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = strdup("");
1925 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1926 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1930 f4a881ce 2018-11-17 stsp size_t offset = 0, remain = itag->tagmsg_len;
1932 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = malloc(itag->tagmsg_len + 1);
1933 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1934 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1937 f4a881ce 2018-11-17 stsp while (remain > 0) {
1938 f4a881ce 2018-11-17 stsp struct imsg imsg_log;
1939 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1942 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1944 f4a881ce 2018-11-17 stsp return err;
1946 f4a881ce 2018-11-17 stsp if (imsg_log.hdr.type != GOT_IMSG_TAG_TAGMSG)
1947 f4a881ce 2018-11-17 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
1949 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagmsg + offset, imsg_log.data,
1951 f4a881ce 2018-11-17 stsp imsg_free(&imsg_log);
1952 f4a881ce 2018-11-17 stsp offset += n;
1953 f4a881ce 2018-11-17 stsp remain -= n;
1955 f4a881ce 2018-11-17 stsp (*tag)->tagmsg[itag->tagmsg_len] = '\0';
1960 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1964 ff6b18f8 2018-04-24 stsp imsg_free(&imsg);
1966 2178c42e 2018-04-22 stsp return err;
1969 876c234b 2018-09-10 stsp const struct got_error *
1970 876c234b 2018-09-10 stsp got_privsep_init_pack_child(struct imsgbuf *ibuf, struct got_pack *pack,
1971 876c234b 2018-09-10 stsp struct got_packidx *packidx)
1973 41496140 2019-02-21 stsp const struct got_error *err = NULL;
1974 876c234b 2018-09-10 stsp struct got_imsg_packidx ipackidx;
1975 876c234b 2018-09-10 stsp struct got_imsg_pack ipack;
1978 031611fc 2022-06-18 op memset(&ipackidx, 0, sizeof(ipackidx));
1979 031611fc 2022-06-18 op memset(&ipack, 0, sizeof(ipack));
1981 876c234b 2018-09-10 stsp ipackidx.len = packidx->len;
1982 c3564dfa 2021-07-15 stsp ipackidx.packfile_size = pack->filesize;
1983 876c234b 2018-09-10 stsp fd = dup(packidx->fd);
1984 876c234b 2018-09-10 stsp if (fd == -1)
1985 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1987 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKIDX, 0, 0, fd, &ipackidx,
1988 41496140 2019-02-21 stsp sizeof(ipackidx)) == -1) {
1989 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACKIDX");
1990 41496140 2019-02-21 stsp close(fd);
1991 41496140 2019-02-21 stsp return err;
1994 876c234b 2018-09-10 stsp if (strlcpy(ipack.path_packfile, pack->path_packfile,
1995 876c234b 2018-09-10 stsp sizeof(ipack.path_packfile)) >= sizeof(ipack.path_packfile))
1996 876c234b 2018-09-10 stsp return got_error(GOT_ERR_NO_SPACE);
1997 876c234b 2018-09-10 stsp ipack.filesize = pack->filesize;
1999 876c234b 2018-09-10 stsp fd = dup(pack->fd);
2000 876c234b 2018-09-10 stsp if (fd == -1)
2001 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
2003 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACK, 0, 0, fd, &ipack, sizeof(ipack))
2005 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACK");
2006 41496140 2019-02-21 stsp close(fd);
2007 41496140 2019-02-21 stsp return err;
2010 876c234b 2018-09-10 stsp return flush_imsg(ibuf);
2013 876c234b 2018-09-10 stsp const struct got_error *
2014 106807b4 2018-09-15 stsp got_privsep_send_packed_obj_req(struct imsgbuf *ibuf, int idx,
2015 106807b4 2018-09-15 stsp struct got_object_id *id)
2017 876c234b 2018-09-10 stsp struct got_imsg_packed_object iobj;
2019 031611fc 2022-06-18 op memset(&iobj, 0, sizeof(iobj));
2020 876c234b 2018-09-10 stsp iobj.idx = idx;
2021 106807b4 2018-09-15 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
2023 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_OBJECT_REQUEST, 0, 0, -1,
2024 876c234b 2018-09-10 stsp &iobj, sizeof(iobj)) == -1)
2025 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose "
2026 230a42bd 2019-05-11 jcs "PACKED_OBJECT_REQUEST");
2028 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2031 aba9c984 2019-09-08 stsp const struct got_error *
2032 59d1e4a0 2021-03-10 stsp got_privsep_send_packed_raw_obj_req(struct imsgbuf *ibuf, int idx,
2033 59d1e4a0 2021-03-10 stsp struct got_object_id *id)
2035 59d1e4a0 2021-03-10 stsp struct got_imsg_packed_object iobj;
2037 031611fc 2022-06-18 op memset(&iobj, 0, sizeof(iobj));
2038 59d1e4a0 2021-03-10 stsp iobj.idx = idx;
2039 59d1e4a0 2021-03-10 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
2041 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_RAW_OBJECT_REQUEST, 0, 0, -1,
2042 59d1e4a0 2021-03-10 stsp &iobj, sizeof(iobj)) == -1)
2043 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose "
2044 59d1e4a0 2021-03-10 stsp "PACKED_OBJECT_REQUEST");
2046 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
2049 59d1e4a0 2021-03-10 stsp const struct got_error *
2050 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_parse_req(struct imsgbuf *ibuf, int fd)
2052 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2054 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_PARSE_REQUEST, 0, 0, fd,
2055 aba9c984 2019-09-08 stsp NULL, 0) == -1) {
2056 aba9c984 2019-09-08 stsp err = got_error_from_errno("imsg_compose "
2057 aba9c984 2019-09-08 stsp "GITCONFIG_PARSE_REQUEST");
2058 aba9c984 2019-09-08 stsp close(fd);
2059 aba9c984 2019-09-08 stsp return err;
2062 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2065 aba9c984 2019-09-08 stsp const struct got_error *
2066 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_repository_format_version_req(struct imsgbuf *ibuf)
2068 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2069 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST, 0, 0, -1,
2070 aba9c984 2019-09-08 stsp NULL, 0) == -1)
2071 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2072 aba9c984 2019-09-08 stsp "GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST");
2074 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2077 aba9c984 2019-09-08 stsp const struct got_error *
2078 20b7abb3 2020-10-22 stsp got_privsep_send_gitconfig_repository_extensions_req(struct imsgbuf *ibuf)
2080 20b7abb3 2020-10-22 stsp if (imsg_compose(ibuf,
2081 20b7abb3 2020-10-22 stsp GOT_IMSG_GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST, 0, 0, -1,
2082 20b7abb3 2020-10-22 stsp NULL, 0) == -1)
2083 20b7abb3 2020-10-22 stsp return got_error_from_errno("imsg_compose "
2084 20b7abb3 2020-10-22 stsp "GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST");
2086 20b7abb3 2020-10-22 stsp return flush_imsg(ibuf);
2090 20b7abb3 2020-10-22 stsp const struct got_error *
2091 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_name_req(struct imsgbuf *ibuf)
2093 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2094 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_NAME_REQUEST, 0, 0, -1, NULL, 0) == -1)
2095 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2096 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_NAME_REQUEST");
2098 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2101 aba9c984 2019-09-08 stsp const struct got_error *
2102 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_email_req(struct imsgbuf *ibuf)
2104 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2105 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_EMAIL_REQUEST, 0, 0, -1, NULL, 0) == -1)
2106 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2107 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_EMAIL_REQUEST");
2109 cd95becd 2019-11-29 stsp return flush_imsg(ibuf);
2112 cd95becd 2019-11-29 stsp const struct got_error *
2113 cd95becd 2019-11-29 stsp got_privsep_send_gitconfig_remotes_req(struct imsgbuf *ibuf)
2115 cd95becd 2019-11-29 stsp if (imsg_compose(ibuf,
2116 cd95becd 2019-11-29 stsp GOT_IMSG_GITCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2117 cd95becd 2019-11-29 stsp return got_error_from_errno("imsg_compose "
2118 cd95becd 2019-11-29 stsp "GITCONFIG_REMOTE_REQUEST");
2120 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2123 aba9c984 2019-09-08 stsp const struct got_error *
2124 9a1cc63f 2020-02-03 stsp got_privsep_send_gitconfig_owner_req(struct imsgbuf *ibuf)
2126 9a1cc63f 2020-02-03 stsp if (imsg_compose(ibuf,
2127 9a1cc63f 2020-02-03 stsp GOT_IMSG_GITCONFIG_OWNER_REQUEST, 0, 0, -1, NULL, 0) == -1)
2128 9a1cc63f 2020-02-03 stsp return got_error_from_errno("imsg_compose "
2129 9a1cc63f 2020-02-03 stsp "GITCONFIG_OWNER_REQUEST");
2131 9a1cc63f 2020-02-03 stsp return flush_imsg(ibuf);
2134 9a1cc63f 2020-02-03 stsp const struct got_error *
2135 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_str(char **str, struct imsgbuf *ibuf)
2137 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2138 aba9c984 2019-09-08 stsp struct imsg imsg;
2139 aba9c984 2019-09-08 stsp size_t datalen;
2141 aba9c984 2019-09-08 stsp *str = NULL;
2143 3e6054c4 2022-06-14 op err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2145 aba9c984 2019-09-08 stsp return err;
2146 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2148 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2149 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_STR_VAL:
2150 aba9c984 2019-09-08 stsp if (datalen == 0)
2152 6c13dcd2 2020-09-18 stsp /* datalen does not include terminating \0 */
2153 6c13dcd2 2020-09-18 stsp *str = malloc(datalen + 1);
2154 aba9c984 2019-09-08 stsp if (*str == NULL) {
2155 aba9c984 2019-09-08 stsp err = got_error_from_errno("malloc");
2158 6c13dcd2 2020-09-18 stsp memcpy(*str, imsg.data, datalen);
2159 6c13dcd2 2020-09-18 stsp (*str)[datalen] = '\0';
2162 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2166 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2167 aba9c984 2019-09-08 stsp return err;
2170 aba9c984 2019-09-08 stsp const struct got_error *
2171 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_int(int *val, struct imsgbuf *ibuf)
2173 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2174 aba9c984 2019-09-08 stsp struct imsg imsg;
2175 aba9c984 2019-09-08 stsp size_t datalen;
2176 aba9c984 2019-09-08 stsp const size_t min_datalen =
2177 aba9c984 2019-09-08 stsp MIN(sizeof(struct got_imsg_error), sizeof(int));
2181 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2183 aba9c984 2019-09-08 stsp return err;
2184 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2186 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2187 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_INT_VAL:
2188 aba9c984 2019-09-08 stsp if (datalen != sizeof(*val)) {
2189 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2192 aba9c984 2019-09-08 stsp memcpy(val, imsg.data, sizeof(*val));
2195 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2199 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2200 cd95becd 2019-11-29 stsp return err;
2203 b8adfa55 2020-09-25 stsp static void
2204 b8adfa55 2020-09-25 stsp free_remote_data(struct got_remote_repo *remote)
2208 b8adfa55 2020-09-25 stsp free(remote->name);
2209 6480c871 2021-08-30 stsp free(remote->fetch_url);
2210 6480c871 2021-08-30 stsp free(remote->send_url);
2211 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_branches; i++)
2212 6480c871 2021-08-30 stsp free(remote->fetch_branches[i]);
2213 6480c871 2021-08-30 stsp free(remote->fetch_branches);
2214 6480c871 2021-08-30 stsp for (i = 0; i < remote->nsend_branches; i++)
2215 6480c871 2021-08-30 stsp free(remote->send_branches[i]);
2216 6480c871 2021-08-30 stsp free(remote->send_branches);
2217 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_refs; i++)
2218 6480c871 2021-08-30 stsp free(remote->fetch_refs[i]);
2219 6480c871 2021-08-30 stsp free(remote->fetch_refs);
2222 cd95becd 2019-11-29 stsp const struct got_error *
2223 cd95becd 2019-11-29 stsp got_privsep_recv_gitconfig_remotes(struct got_remote_repo **remotes,
2224 cd95becd 2019-11-29 stsp int *nremotes, struct imsgbuf *ibuf)
2226 cd95becd 2019-11-29 stsp const struct got_error *err = NULL;
2227 cd95becd 2019-11-29 stsp struct imsg imsg;
2228 cd95becd 2019-11-29 stsp size_t datalen;
2229 cd95becd 2019-11-29 stsp struct got_imsg_remotes iremotes;
2230 cd95becd 2019-11-29 stsp struct got_imsg_remote iremote;
2232 cd95becd 2019-11-29 stsp *remotes = NULL;
2233 cd95becd 2019-11-29 stsp *nremotes = 0;
2234 d669b9c9 2020-02-22 stsp iremotes.nremotes = 0;
2236 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremotes));
2238 cd95becd 2019-11-29 stsp return err;
2239 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2241 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2242 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTES:
2243 cd95becd 2019-11-29 stsp if (datalen != sizeof(iremotes)) {
2244 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2247 cd95becd 2019-11-29 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2248 cd95becd 2019-11-29 stsp if (iremotes.nremotes == 0) {
2249 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2250 cd95becd 2019-11-29 stsp return NULL;
2254 54b1c5b5 2020-02-22 stsp imsg_free(&imsg);
2255 54b1c5b5 2020-02-22 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2258 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2260 5146eb39 2020-03-20 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2261 cd95becd 2019-11-29 stsp if (*remotes == NULL)
2262 cd95becd 2019-11-29 stsp return got_error_from_errno("recallocarray");
2264 cd95becd 2019-11-29 stsp while (*nremotes < iremotes.nremotes) {
2265 cd95becd 2019-11-29 stsp struct got_remote_repo *remote;
2267 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremote));
2270 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2272 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2273 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTE:
2274 cd95becd 2019-11-29 stsp remote = &(*remotes)[*nremotes];
2275 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2276 cd95becd 2019-11-29 stsp if (datalen < sizeof(iremote)) {
2277 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2280 cd95becd 2019-11-29 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2281 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2282 6480c871 2021-08-30 stsp iremote.fetch_url_len == 0 ||
2283 6480c871 2021-08-30 stsp iremote.send_url_len == 0 ||
2284 cd95becd 2019-11-29 stsp (sizeof(iremote) + iremote.name_len +
2285 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) > datalen) {
2286 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2289 cd95becd 2019-11-29 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2290 cd95becd 2019-11-29 stsp iremote.name_len);
2291 cd95becd 2019-11-29 stsp if (remote->name == NULL) {
2292 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2295 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data + sizeof(iremote) +
2296 6480c871 2021-08-30 stsp iremote.name_len, iremote.fetch_url_len);
2297 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2298 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2299 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2302 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data + sizeof(iremote) +
2303 6480c871 2021-08-30 stsp iremote.name_len + iremote.fetch_url_len,
2304 6480c871 2021-08-30 stsp iremote.send_url_len);
2305 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2306 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2307 6480c871 2021-08-30 stsp free_remote_data(remote);
2310 469dd726 2020-03-20 stsp remote->mirror_references = iremote.mirror_references;
2311 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2312 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2313 6480c871 2021-08-30 stsp remote->fetch_branches = NULL;
2314 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2315 6480c871 2021-08-30 stsp remote->send_branches = NULL;
2316 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2317 6480c871 2021-08-30 stsp remote->fetch_refs = NULL;
2318 cd95becd 2019-11-29 stsp (*nremotes)++;
2321 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2325 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2330 cd95becd 2019-11-29 stsp if (err) {
2332 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2333 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2334 cd95becd 2019-11-29 stsp free(*remotes);
2335 cd95becd 2019-11-29 stsp *remotes = NULL;
2336 cd95becd 2019-11-29 stsp *nremotes = 0;
2338 aba9c984 2019-09-08 stsp return err;
2341 257add31 2020-09-09 stsp const struct got_error *
2342 257add31 2020-09-09 stsp got_privsep_send_gotconfig_parse_req(struct imsgbuf *ibuf, int fd)
2344 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2346 257add31 2020-09-09 stsp if (imsg_compose(ibuf, GOT_IMSG_GOTCONFIG_PARSE_REQUEST, 0, 0, fd,
2347 257add31 2020-09-09 stsp NULL, 0) == -1) {
2348 257add31 2020-09-09 stsp err = got_error_from_errno("imsg_compose "
2349 257add31 2020-09-09 stsp "GOTCONFIG_PARSE_REQUEST");
2350 257add31 2020-09-09 stsp close(fd);
2351 257add31 2020-09-09 stsp return err;
2354 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2357 257add31 2020-09-09 stsp const struct got_error *
2358 257add31 2020-09-09 stsp got_privsep_send_gotconfig_author_req(struct imsgbuf *ibuf)
2360 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2361 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_AUTHOR_REQUEST, 0, 0, -1, NULL, 0) == -1)
2362 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2363 257add31 2020-09-09 stsp "GOTCONFIG_AUTHOR_REQUEST");
2365 4d5ee956 2022-07-02 jrick return flush_imsg(ibuf);
2368 4d5ee956 2022-07-02 jrick const struct got_error *
2369 4d5ee956 2022-07-02 jrick got_privsep_send_gotconfig_allowed_signers_req(struct imsgbuf *ibuf)
2371 4d5ee956 2022-07-02 jrick if (imsg_compose(ibuf,
2372 4d5ee956 2022-07-02 jrick GOT_IMSG_GOTCONFIG_ALLOWEDSIGNERS_REQUEST, 0, 0, -1, NULL, 0) == -1)
2373 4d5ee956 2022-07-02 jrick return got_error_from_errno("imsg_compose "
2374 4d5ee956 2022-07-02 jrick "GOTCONFIG_ALLOWEDSIGNERS_REQUEST");
2376 4d5ee956 2022-07-02 jrick return flush_imsg(ibuf);
2379 4d5ee956 2022-07-02 jrick const struct got_error *
2380 4d5ee956 2022-07-02 jrick got_privsep_send_gotconfig_revoked_signers_req(struct imsgbuf *ibuf)
2382 4d5ee956 2022-07-02 jrick if (imsg_compose(ibuf,
2383 4d5ee956 2022-07-02 jrick GOT_IMSG_GOTCONFIG_REVOKEDSIGNERS_REQUEST, 0, 0, -1, NULL, 0) == -1)
2384 4d5ee956 2022-07-02 jrick return got_error_from_errno("imsg_compose "
2385 4d5ee956 2022-07-02 jrick "GOTCONFIG_REVOKEDSIGNERS_REQUEST");
2387 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2390 ca6e02ac 2020-01-07 stsp const struct got_error *
2391 257add31 2020-09-09 stsp got_privsep_send_gotconfig_remotes_req(struct imsgbuf *ibuf)
2393 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2394 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2395 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2396 257add31 2020-09-09 stsp "GOTCONFIG_REMOTE_REQUEST");
2398 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2401 257add31 2020-09-09 stsp const struct got_error *
2402 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_str(char **str, struct imsgbuf *ibuf)
2404 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2405 257add31 2020-09-09 stsp struct imsg imsg;
2406 257add31 2020-09-09 stsp size_t datalen;
2408 257add31 2020-09-09 stsp *str = NULL;
2410 3e6054c4 2022-06-14 op err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2412 257add31 2020-09-09 stsp return err;
2413 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2415 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2416 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2417 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2419 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_STR_VAL:
2420 257add31 2020-09-09 stsp if (datalen == 0)
2422 5874ea87 2020-09-18 stsp /* datalen does not include terminating \0 */
2423 5874ea87 2020-09-18 stsp *str = malloc(datalen + 1);
2424 257add31 2020-09-09 stsp if (*str == NULL) {
2425 257add31 2020-09-09 stsp err = got_error_from_errno("malloc");
2428 5874ea87 2020-09-18 stsp memcpy(*str, imsg.data, datalen);
2429 5874ea87 2020-09-18 stsp (*str)[datalen] = '\0';
2432 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2436 257add31 2020-09-09 stsp imsg_free(&imsg);
2437 257add31 2020-09-09 stsp return err;
2440 257add31 2020-09-09 stsp const struct got_error *
2441 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_remotes(struct got_remote_repo **remotes,
2442 257add31 2020-09-09 stsp int *nremotes, struct imsgbuf *ibuf)
2444 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2445 257add31 2020-09-09 stsp struct imsg imsg;
2446 257add31 2020-09-09 stsp size_t datalen;
2447 257add31 2020-09-09 stsp struct got_imsg_remotes iremotes;
2448 257add31 2020-09-09 stsp struct got_imsg_remote iremote;
2449 257add31 2020-09-09 stsp const size_t min_datalen =
2450 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremotes));
2452 257add31 2020-09-09 stsp *remotes = NULL;
2453 257add31 2020-09-09 stsp *nremotes = 0;
2454 257add31 2020-09-09 stsp iremotes.nremotes = 0;
2456 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2458 257add31 2020-09-09 stsp return err;
2459 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2461 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2462 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2463 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2465 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTES:
2466 257add31 2020-09-09 stsp if (datalen != sizeof(iremotes)) {
2467 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2470 257add31 2020-09-09 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2471 c98b0f0b 2022-06-14 op if (iremotes.nremotes < 0) {
2472 c98b0f0b 2022-06-14 op err = got_error(GOT_ERR_PRIVSEP_LEN);
2475 257add31 2020-09-09 stsp if (iremotes.nremotes == 0) {
2476 257add31 2020-09-09 stsp imsg_free(&imsg);
2477 257add31 2020-09-09 stsp return NULL;
2481 257add31 2020-09-09 stsp imsg_free(&imsg);
2482 257add31 2020-09-09 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2485 257add31 2020-09-09 stsp imsg_free(&imsg);
2487 257add31 2020-09-09 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2488 257add31 2020-09-09 stsp if (*remotes == NULL)
2489 257add31 2020-09-09 stsp return got_error_from_errno("recallocarray");
2491 257add31 2020-09-09 stsp while (*nremotes < iremotes.nremotes) {
2492 257add31 2020-09-09 stsp struct got_remote_repo *remote;
2493 257add31 2020-09-09 stsp const size_t min_datalen =
2494 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremote));
2497 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2500 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2502 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2503 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2504 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2506 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTE:
2507 257add31 2020-09-09 stsp remote = &(*remotes)[*nremotes];
2508 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2509 257add31 2020-09-09 stsp if (datalen < sizeof(iremote)) {
2510 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2513 257add31 2020-09-09 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2514 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2515 6480c871 2021-08-30 stsp (iremote.fetch_url_len == 0 &&
2516 6480c871 2021-08-30 stsp iremote.send_url_len == 0) ||
2517 257add31 2020-09-09 stsp (sizeof(iremote) + iremote.name_len +
2518 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) >
2519 6480c871 2021-08-30 stsp datalen) {
2520 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2523 257add31 2020-09-09 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2524 257add31 2020-09-09 stsp iremote.name_len);
2525 257add31 2020-09-09 stsp if (remote->name == NULL) {
2526 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2529 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data +
2530 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len,
2531 6480c871 2021-08-30 stsp iremote.fetch_url_len);
2532 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2533 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2534 6480c871 2021-08-30 stsp free_remote_data(remote);
2537 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data +
2538 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len +
2539 6480c871 2021-08-30 stsp iremote.fetch_url_len, iremote.send_url_len);
2540 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2541 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2542 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2545 257add31 2020-09-09 stsp remote->mirror_references = iremote.mirror_references;
2546 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2547 6480c871 2021-08-30 stsp if (iremote.nfetch_branches > 0) {
2548 6480c871 2021-08-30 stsp remote->fetch_branches = recallocarray(NULL, 0,
2549 6480c871 2021-08-30 stsp iremote.nfetch_branches, sizeof(char *));
2550 6480c871 2021-08-30 stsp if (remote->fetch_branches == NULL) {
2551 b8adfa55 2020-09-25 stsp err = got_error_from_errno("calloc");
2552 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2556 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2557 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_branches; i++) {
2558 b8adfa55 2020-09-25 stsp char *branch;
2559 b8adfa55 2020-09-25 stsp err = got_privsep_recv_gotconfig_str(&branch,
2561 b8adfa55 2020-09-25 stsp if (err) {
2562 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2563 b8adfa55 2020-09-25 stsp goto done;
2565 6480c871 2021-08-30 stsp remote->fetch_branches[i] = branch;
2566 6480c871 2021-08-30 stsp remote->nfetch_branches++;
2568 6480c871 2021-08-30 stsp if (iremote.nsend_branches > 0) {
2569 6480c871 2021-08-30 stsp remote->send_branches = recallocarray(NULL, 0,
2570 6480c871 2021-08-30 stsp iremote.nsend_branches, sizeof(char *));
2571 6480c871 2021-08-30 stsp if (remote->send_branches == NULL) {
2572 99495ddb 2021-01-10 stsp err = got_error_from_errno("calloc");
2573 99495ddb 2021-01-10 stsp free_remote_data(remote);
2577 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2578 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nsend_branches; i++) {
2579 6480c871 2021-08-30 stsp char *branch;
2580 6480c871 2021-08-30 stsp err = got_privsep_recv_gotconfig_str(&branch,
2582 6480c871 2021-08-30 stsp if (err) {
2583 6480c871 2021-08-30 stsp free_remote_data(remote);
2584 6480c871 2021-08-30 stsp goto done;
2586 6480c871 2021-08-30 stsp remote->send_branches[i] = branch;
2587 6480c871 2021-08-30 stsp remote->nsend_branches++;
2589 6480c871 2021-08-30 stsp if (iremote.nfetch_refs > 0) {
2590 6480c871 2021-08-30 stsp remote->fetch_refs = recallocarray(NULL, 0,
2591 6480c871 2021-08-30 stsp iremote.nfetch_refs, sizeof(char *));
2592 6480c871 2021-08-30 stsp if (remote->fetch_refs == NULL) {
2593 6480c871 2021-08-30 stsp err = got_error_from_errno("calloc");
2594 6480c871 2021-08-30 stsp free_remote_data(remote);
2598 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2599 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_refs; i++) {
2600 99495ddb 2021-01-10 stsp char *ref;
2601 99495ddb 2021-01-10 stsp err = got_privsep_recv_gotconfig_str(&ref,
2603 99495ddb 2021-01-10 stsp if (err) {
2604 99495ddb 2021-01-10 stsp free_remote_data(remote);
2605 99495ddb 2021-01-10 stsp goto done;
2607 6480c871 2021-08-30 stsp remote->fetch_refs[i] = ref;
2608 6480c871 2021-08-30 stsp remote->nfetch_refs++;
2610 257add31 2020-09-09 stsp (*nremotes)++;
2613 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2617 257add31 2020-09-09 stsp imsg_free(&imsg);
2622 257add31 2020-09-09 stsp if (err) {
2624 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2625 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2626 257add31 2020-09-09 stsp free(*remotes);
2627 257add31 2020-09-09 stsp *remotes = NULL;
2628 257add31 2020-09-09 stsp *nremotes = 0;
2630 257add31 2020-09-09 stsp return err;
2633 257add31 2020-09-09 stsp const struct got_error *
2634 ca6e02ac 2020-01-07 stsp got_privsep_send_commit_traversal_request(struct imsgbuf *ibuf,
2635 abc59930 2021-09-05 naddy struct got_object_id *id, int idx, const char *path)
2637 ca6e02ac 2020-01-07 stsp struct ibuf *wbuf;
2638 ca6e02ac 2020-01-07 stsp size_t path_len = strlen(path) + 1;
2640 ca6e02ac 2020-01-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_COMMIT_TRAVERSAL_REQUEST, 0, 0,
2641 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_traversal_request) + path_len);
2642 ca6e02ac 2020-01-07 stsp if (wbuf == NULL)
2643 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
2644 ca6e02ac 2020-01-07 stsp "imsg_create COMMIT_TRAVERSAL_REQUEST");
2645 1453347d 2022-05-19 stsp if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1)
2646 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add "
2647 1453347d 2022-05-19 stsp "COMMIT_TRAVERSAL_REQUEST");
2648 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &idx, sizeof(idx)) == -1)
2649 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add "
2650 1453347d 2022-05-19 stsp "COMMIT_TRAVERSAL_REQUEST");
2651 1453347d 2022-05-19 stsp if (imsg_add(wbuf, path, path_len) == -1)
2652 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add "
2653 1453347d 2022-05-19 stsp "COMMIT_TRAVERSAL_REQUEST");
2655 ca6e02ac 2020-01-07 stsp wbuf->fd = -1;
2656 ca6e02ac 2020-01-07 stsp imsg_close(ibuf, wbuf);
2658 ca6e02ac 2020-01-07 stsp return flush_imsg(ibuf);
2661 ca6e02ac 2020-01-07 stsp const struct got_error *
2662 ca6e02ac 2020-01-07 stsp got_privsep_recv_traversed_commits(struct got_commit_object **changed_commit,
2663 ca6e02ac 2020-01-07 stsp struct got_object_id **changed_commit_id,
2664 ca6e02ac 2020-01-07 stsp struct got_object_id_queue *commit_ids, struct imsgbuf *ibuf)
2666 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
2667 ca6e02ac 2020-01-07 stsp struct imsg imsg;
2668 ca6e02ac 2020-01-07 stsp struct got_imsg_traversed_commits *icommits;
2669 ca6e02ac 2020-01-07 stsp size_t datalen;
2670 ca6e02ac 2020-01-07 stsp int i, done = 0;
2672 ca6e02ac 2020-01-07 stsp *changed_commit = NULL;
2673 ca6e02ac 2020-01-07 stsp *changed_commit_id = NULL;
2675 ca6e02ac 2020-01-07 stsp while (!done) {
2676 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2678 ca6e02ac 2020-01-07 stsp return err;
2680 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2681 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
2682 ca6e02ac 2020-01-07 stsp case GOT_IMSG_TRAVERSED_COMMITS:
2683 ca6e02ac 2020-01-07 stsp icommits = imsg.data;
2684 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommits) +
2685 ca6e02ac 2020-01-07 stsp icommits->ncommits * SHA1_DIGEST_LENGTH) {
2686 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2689 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommits->ncommits; i++) {
2690 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
2691 ca6e02ac 2020-01-07 stsp uint8_t *sha1 = (uint8_t *)imsg.data +
2692 ca6e02ac 2020-01-07 stsp sizeof(*icommits) + i * SHA1_DIGEST_LENGTH;
2693 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
2696 d7b5a0e8 2022-04-20 stsp memcpy(qid->id.sha1, sha1, SHA1_DIGEST_LENGTH);
2697 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(commit_ids, qid, entry);
2699 ca6e02ac 2020-01-07 stsp /* The last commit may contain a change. */
2700 ca6e02ac 2020-01-07 stsp if (i == icommits->ncommits - 1) {
2701 ca6e02ac 2020-01-07 stsp *changed_commit_id =
2702 d7b5a0e8 2022-04-20 stsp got_object_id_dup(&qid->id);
2703 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2704 ca6e02ac 2020-01-07 stsp err = got_error_from_errno(
2705 ca6e02ac 2020-01-07 stsp "got_object_id_dup");
2711 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
2712 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2713 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2716 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(changed_commit, &imsg,
2717 ca6e02ac 2020-01-07 stsp datalen, ibuf);
2719 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT_TRAVERSAL_DONE:
2723 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2727 ca6e02ac 2020-01-07 stsp imsg_free(&imsg);
2733 ca6e02ac 2020-01-07 stsp got_object_id_queue_free(commit_ids);
2734 ca6e02ac 2020-01-07 stsp return err;
2737 0ab4c957 2022-06-13 stsp const struct got_error *
2738 0ab4c957 2022-06-13 stsp got_privsep_send_enumerated_tree(size_t *totlen, struct imsgbuf *ibuf,
2739 0ab4c957 2022-06-13 stsp struct got_object_id *tree_id, const char *path,
2740 0ab4c957 2022-06-13 stsp struct got_parsed_tree_entry *entries, int nentries)
2742 0ab4c957 2022-06-13 stsp const struct got_error *err = NULL;
2743 0ab4c957 2022-06-13 stsp struct ibuf *wbuf;
2744 0ab4c957 2022-06-13 stsp size_t path_len = strlen(path);
2745 0ab4c957 2022-06-13 stsp size_t msglen;
2747 0ab4c957 2022-06-13 stsp msglen = sizeof(struct got_imsg_enumerated_tree) + path_len;
2748 0ab4c957 2022-06-13 stsp wbuf = imsg_create(ibuf, GOT_IMSG_ENUMERATED_TREE, 0, 0, msglen);
2749 0ab4c957 2022-06-13 stsp if (wbuf == NULL)
2750 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_create ENUMERATED_TREE");
2752 0ab4c957 2022-06-13 stsp if (imsg_add(wbuf, tree_id->sha1, SHA1_DIGEST_LENGTH) == -1)
2753 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_add ENUMERATED_TREE");
2754 0ab4c957 2022-06-13 stsp if (imsg_add(wbuf, &nentries, sizeof(nentries)) == -1)
2755 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_add ENUMERATED_TREE");
2756 0ab4c957 2022-06-13 stsp if (imsg_add(wbuf, path, path_len) == -1)
2757 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_add ENUMERATED_TREE");
2759 0ab4c957 2022-06-13 stsp wbuf->fd = -1;
2760 0ab4c957 2022-06-13 stsp imsg_close(ibuf, wbuf);
2762 0ab4c957 2022-06-13 stsp if (entries) {
2763 0ab4c957 2022-06-13 stsp err = send_tree_entries(ibuf, entries, nentries);
2765 0ab4c957 2022-06-13 stsp return err;
2768 0ab4c957 2022-06-13 stsp return flush_imsg(ibuf);
2771 67fd6849 2022-02-13 stsp const struct got_error *
2772 0ab4c957 2022-06-13 stsp got_privsep_send_object_enumeration_request(struct imsgbuf *ibuf)
2774 0ab4c957 2022-06-13 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_REQUEST,
2775 0ab4c957 2022-06-13 stsp 0, 0, -1, NULL, 0) == -1)
2776 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_compose "
2777 0ab4c957 2022-06-13 stsp "OBJECT_ENUMERATION_REQUEST");
2779 0ab4c957 2022-06-13 stsp return flush_imsg(ibuf);
2782 0ab4c957 2022-06-13 stsp const struct got_error *
2783 0ab4c957 2022-06-13 stsp got_privsep_send_object_enumeration_done(struct imsgbuf *ibuf)
2785 0ab4c957 2022-06-13 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_DONE,
2786 0ab4c957 2022-06-13 stsp 0, 0, -1, NULL, 0) == -1)
2787 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_compose "
2788 0ab4c957 2022-06-13 stsp "OBJECT_ENUMERATION_DONE");
2790 0ab4c957 2022-06-13 stsp return flush_imsg(ibuf);
2793 0ab4c957 2022-06-13 stsp const struct got_error *
2794 db9b9b1c 2022-06-14 stsp got_privsep_send_object_enumeration_incomplete(struct imsgbuf *ibuf)
2796 db9b9b1c 2022-06-14 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_INCOMPLETE,
2797 db9b9b1c 2022-06-14 stsp 0, 0, -1, NULL, 0) == -1)
2798 db9b9b1c 2022-06-14 stsp return got_error_from_errno("imsg_compose "
2799 db9b9b1c 2022-06-14 stsp "OBJECT_ENUMERATION_INCOMPLETE");
2801 db9b9b1c 2022-06-14 stsp return flush_imsg(ibuf);
2804 db9b9b1c 2022-06-14 stsp const struct got_error *
2805 0ab4c957 2022-06-13 stsp got_privsep_send_enumerated_commit(struct imsgbuf *ibuf,
2806 0ab4c957 2022-06-13 stsp struct got_object_id *id, time_t mtime)
2808 0ab4c957 2022-06-13 stsp struct ibuf *wbuf;
2810 0ab4c957 2022-06-13 stsp wbuf = imsg_create(ibuf, GOT_IMSG_ENUMERATED_COMMIT, 0, 0,
2811 0ab4c957 2022-06-13 stsp sizeof(struct got_imsg_enumerated_commit) + SHA1_DIGEST_LENGTH);
2812 0ab4c957 2022-06-13 stsp if (wbuf == NULL)
2813 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_create ENUMERATED_COMMIT");
2815 0ab4c957 2022-06-13 stsp /* Keep in sync with struct got_imsg_enumerated_commit! */
2816 0ab4c957 2022-06-13 stsp if (imsg_add(wbuf, id, SHA1_DIGEST_LENGTH) == -1)
2817 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_add ENUMERATED_COMMIT");
2818 0ab4c957 2022-06-13 stsp if (imsg_add(wbuf, &mtime, sizeof(mtime)) == -1)
2819 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_add ENUMERATED_COMMIT");
2821 0ab4c957 2022-06-13 stsp wbuf->fd = -1;
2822 0ab4c957 2022-06-13 stsp imsg_close(ibuf, wbuf);
2823 0ab4c957 2022-06-13 stsp /* Don't flush yet, tree entries or ENUMERATION_DONE will follow. */
2824 0ab4c957 2022-06-13 stsp return NULL;
2827 0ab4c957 2022-06-13 stsp const struct got_error *
2828 db9b9b1c 2022-06-14 stsp got_privsep_recv_enumerated_objects(int *found_all_objects,
2829 db9b9b1c 2022-06-14 stsp struct imsgbuf *ibuf,
2830 0ab4c957 2022-06-13 stsp got_object_enumerate_commit_cb cb_commit,
2831 0ab4c957 2022-06-13 stsp got_object_enumerate_tree_cb cb_tree, void *cb_arg,
2832 0ab4c957 2022-06-13 stsp struct got_repository *repo)
2834 0ab4c957 2022-06-13 stsp const struct got_error *err = NULL;
2835 0ab4c957 2022-06-13 stsp struct imsg imsg;
2836 0ab4c957 2022-06-13 stsp struct got_imsg_enumerated_commit *icommit = NULL;
2837 0ab4c957 2022-06-13 stsp struct got_object_id commit_id;
2838 0ab4c957 2022-06-13 stsp int have_commit = 0;
2839 0ab4c957 2022-06-13 stsp time_t mtime = 0;
2840 0ab4c957 2022-06-13 stsp struct got_tree_object tree;
2841 0ab4c957 2022-06-13 stsp struct got_imsg_enumerated_tree *itree;
2842 0ab4c957 2022-06-13 stsp struct got_object_id tree_id;
2843 0ab4c957 2022-06-13 stsp char *path = NULL, *canon_path = NULL;
2844 0ab4c957 2022-06-13 stsp size_t datalen, path_len;
2845 0ab4c957 2022-06-13 stsp int nentries = -1;
2846 0ab4c957 2022-06-13 stsp int done = 0;
2848 db9b9b1c 2022-06-14 stsp *found_all_objects = 0;
2849 0ab4c957 2022-06-13 stsp memset(&tree, 0, sizeof(tree));
2851 0ab4c957 2022-06-13 stsp while (!done) {
2852 0ab4c957 2022-06-13 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2856 0ab4c957 2022-06-13 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2857 0ab4c957 2022-06-13 stsp switch (imsg.hdr.type) {
2858 b4b1b9c0 2022-06-14 op case GOT_IMSG_ENUMERATED_COMMIT:
2859 0ab4c957 2022-06-13 stsp if (have_commit && nentries != -1) {
2860 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2863 0ab4c957 2022-06-13 stsp if (datalen != sizeof(*icommit)) {
2864 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2867 0ab4c957 2022-06-13 stsp icommit = (struct got_imsg_enumerated_commit *)imsg.data;
2868 0ab4c957 2022-06-13 stsp memcpy(commit_id.sha1, icommit->id, SHA1_DIGEST_LENGTH);
2869 0ab4c957 2022-06-13 stsp mtime = icommit->mtime;
2870 0ab4c957 2022-06-13 stsp have_commit = 1;
2872 0ab4c957 2022-06-13 stsp case GOT_IMSG_ENUMERATED_TREE:
2873 0ab4c957 2022-06-13 stsp /* Should be preceeded by GOT_IMSG_ENUMERATED_COMMIT. */
2874 0ab4c957 2022-06-13 stsp if (!have_commit) {
2875 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2878 0ab4c957 2022-06-13 stsp if (datalen < sizeof(*itree)) {
2879 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2882 0ab4c957 2022-06-13 stsp itree = imsg.data;
2883 0ab4c957 2022-06-13 stsp path_len = datalen - sizeof(*itree);
2884 0ab4c957 2022-06-13 stsp if (path_len == 0) {
2885 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2888 0ab4c957 2022-06-13 stsp memcpy(tree_id.sha1, itree->id, sizeof(tree_id.sha1));
2889 0ab4c957 2022-06-13 stsp free(path);
2890 0ab4c957 2022-06-13 stsp path = malloc(path_len + 1);
2891 0ab4c957 2022-06-13 stsp if (path == NULL) {
2892 0ab4c957 2022-06-13 stsp err = got_error_from_errno("malloc");
2895 0ab4c957 2022-06-13 stsp free(canon_path);
2896 0ab4c957 2022-06-13 stsp canon_path = malloc(path_len + 1);
2897 0ab4c957 2022-06-13 stsp if (canon_path == NULL) {
2898 0ab4c957 2022-06-13 stsp err = got_error_from_errno("malloc");
2901 0ab4c957 2022-06-13 stsp memcpy(path, (uint8_t *)imsg.data + sizeof(*itree),
2902 0ab4c957 2022-06-13 stsp path_len);
2903 0ab4c957 2022-06-13 stsp path[path_len] = '\0';
2904 0ab4c957 2022-06-13 stsp if (!got_path_is_absolute(path)) {
2905 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_BAD_PATH);
2908 0ab4c957 2022-06-13 stsp if (got_path_is_root_dir(path)) {
2909 0ab4c957 2022-06-13 stsp /* XXX check what got_canonpath() does wrong */
2910 0ab4c957 2022-06-13 stsp canon_path[0] = '/';
2911 0ab4c957 2022-06-13 stsp canon_path[1] = '\0';
2913 0ab4c957 2022-06-13 stsp err = got_canonpath(path, canon_path,
2914 0ab4c957 2022-06-13 stsp path_len + 1);
2918 0ab4c957 2022-06-13 stsp if (strcmp(path, canon_path) != 0) {
2919 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_BAD_PATH);
2922 0ab4c957 2022-06-13 stsp if (nentries != -1) {
2923 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2926 0ab4c957 2022-06-13 stsp if (itree->nentries < -1) {
2927 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2930 0ab4c957 2022-06-13 stsp if (itree->nentries == -1) {
2931 0ab4c957 2022-06-13 stsp /* Tree was not found in pack file. */
2932 0ab4c957 2022-06-13 stsp err = cb_tree(cb_arg, NULL, mtime, &tree_id,
2933 0ab4c957 2022-06-13 stsp path, repo);
2936 0ab4c957 2022-06-13 stsp if (itree->nentries > INT_MAX) {
2937 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2940 0ab4c957 2022-06-13 stsp tree.entries = calloc(itree->nentries,
2941 0ab4c957 2022-06-13 stsp sizeof(struct got_tree_entry));
2942 0ab4c957 2022-06-13 stsp if (tree.entries == NULL) {
2943 0ab4c957 2022-06-13 stsp err = got_error_from_errno("calloc");
2946 0ab4c957 2022-06-13 stsp if (itree->nentries == 0) {
2947 0ab4c957 2022-06-13 stsp err = cb_tree(cb_arg, &tree, mtime, &tree_id,
2948 0ab4c957 2022-06-13 stsp path, repo);
2952 0ab4c957 2022-06-13 stsp /* Prepare for next tree. */
2953 0ab4c957 2022-06-13 stsp free(tree.entries);
2954 0ab4c957 2022-06-13 stsp memset(&tree, 0, sizeof(tree));
2955 0ab4c957 2022-06-13 stsp nentries = -1;
2957 0ab4c957 2022-06-13 stsp tree.nentries = itree->nentries;
2958 0ab4c957 2022-06-13 stsp nentries = 0;
2961 0ab4c957 2022-06-13 stsp case GOT_IMSG_TREE_ENTRIES:
2962 0ab4c957 2022-06-13 stsp /* Should be preceeded by GOT_IMSG_ENUMERATED_TREE. */
2963 0ab4c957 2022-06-13 stsp if (nentries <= -1) {
2964 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2967 0ab4c957 2022-06-13 stsp err = recv_tree_entries(imsg.data, datalen,
2968 0ab4c957 2022-06-13 stsp &tree, &nentries);
2971 0ab4c957 2022-06-13 stsp if (tree.nentries == nentries) {
2972 0ab4c957 2022-06-13 stsp err = cb_tree(cb_arg, &tree, mtime, &tree_id,
2973 0ab4c957 2022-06-13 stsp path, repo);
2977 0ab4c957 2022-06-13 stsp /* Prepare for next tree. */
2978 0ab4c957 2022-06-13 stsp free(tree.entries);
2979 0ab4c957 2022-06-13 stsp memset(&tree, 0, sizeof(tree));
2980 0ab4c957 2022-06-13 stsp nentries = -1;
2983 0ab4c957 2022-06-13 stsp case GOT_IMSG_TREE_ENUMERATION_DONE:
2984 0ab4c957 2022-06-13 stsp /* All trees have been found and traversed. */
2985 0ab4c957 2022-06-13 stsp if (!have_commit || path == NULL || nentries != -1) {
2986 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2989 0ab4c957 2022-06-13 stsp err = cb_commit(cb_arg, mtime, &commit_id, repo);
2992 0ab4c957 2022-06-13 stsp have_commit = 0;
2994 0ab4c957 2022-06-13 stsp case GOT_IMSG_OBJECT_ENUMERATION_DONE:
2995 db9b9b1c 2022-06-14 stsp *found_all_objects = 1;
2998 db9b9b1c 2022-06-14 stsp case GOT_IMSG_OBJECT_ENUMERATION_INCOMPLETE:
3002 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
3006 0ab4c957 2022-06-13 stsp imsg_free(&imsg);
3011 0ab4c957 2022-06-13 stsp free(path);
3012 0ab4c957 2022-06-13 stsp free(canon_path);
3013 0ab4c957 2022-06-13 stsp free(tree.entries);
3014 0ab4c957 2022-06-13 stsp return err;
3017 0ab4c957 2022-06-13 stsp const struct got_error *
3018 67fd6849 2022-02-13 stsp got_privsep_send_raw_delta_req(struct imsgbuf *ibuf, int idx,
3019 67fd6849 2022-02-13 stsp struct got_object_id *id)
3021 67fd6849 2022-02-13 stsp struct got_imsg_raw_delta_request dreq;
3023 031611fc 2022-06-18 op memset(&dreq, 0, sizeof(dreq));
3024 67fd6849 2022-02-13 stsp dreq.idx = idx;
3025 67fd6849 2022-02-13 stsp memcpy(dreq.id, id->sha1, SHA1_DIGEST_LENGTH);
3027 67fd6849 2022-02-13 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_DELTA_REQUEST, 0, 0, -1,
3028 67fd6849 2022-02-13 stsp &dreq, sizeof(dreq)) == -1)
3029 67fd6849 2022-02-13 stsp return got_error_from_errno("imsg_compose RAW_DELTA_REQUEST");
3031 67fd6849 2022-02-13 stsp return flush_imsg(ibuf);
3034 67fd6849 2022-02-13 stsp const struct got_error *
3035 67fd6849 2022-02-13 stsp got_privsep_send_raw_delta_outfd(struct imsgbuf *ibuf, int fd)
3037 67fd6849 2022-02-13 stsp return send_fd(ibuf, GOT_IMSG_RAW_DELTA_OUTFD, fd);
3040 67fd6849 2022-02-13 stsp const struct got_error *
3041 67fd6849 2022-02-13 stsp got_privsep_send_raw_delta(struct imsgbuf *ibuf, uint64_t base_size,
3042 2d9e6abf 2022-05-04 stsp uint64_t result_size, off_t delta_size, off_t delta_compressed_size,
3043 2d9e6abf 2022-05-04 stsp off_t delta_offset, off_t delta_out_offset, struct got_object_id *base_id)
3045 67fd6849 2022-02-13 stsp struct got_imsg_raw_delta idelta;
3048 031611fc 2022-06-18 op memset(&idelta, 0, sizeof(idelta));
3049 67fd6849 2022-02-13 stsp idelta.base_size = base_size;
3050 67fd6849 2022-02-13 stsp idelta.result_size = result_size;
3051 67fd6849 2022-02-13 stsp idelta.delta_size = delta_size;
3052 2d9e6abf 2022-05-04 stsp idelta.delta_compressed_size = delta_compressed_size;
3053 67fd6849 2022-02-13 stsp idelta.delta_offset = delta_offset;
3054 67fd6849 2022-02-13 stsp idelta.delta_out_offset = delta_out_offset;
3055 67fd6849 2022-02-13 stsp memcpy(idelta.base_id, base_id->sha1, SHA1_DIGEST_LENGTH);
3057 67fd6849 2022-02-13 stsp ret = imsg_compose(ibuf, GOT_IMSG_RAW_DELTA, 0, 0, -1,
3058 67fd6849 2022-02-13 stsp &idelta, sizeof(idelta));
3059 67fd6849 2022-02-13 stsp if (ret == -1)
3060 67fd6849 2022-02-13 stsp return got_error_from_errno("imsg_compose RAW_DELTA");
3062 67fd6849 2022-02-13 stsp return flush_imsg(ibuf);
3065 ca6e02ac 2020-01-07 stsp const struct got_error *
3066 67fd6849 2022-02-13 stsp got_privsep_recv_raw_delta(uint64_t *base_size, uint64_t *result_size,
3067 2d9e6abf 2022-05-04 stsp off_t *delta_size, off_t *delta_compressed_size, off_t *delta_offset,
3068 2d9e6abf 2022-05-04 stsp off_t *delta_out_offset, struct got_object_id **base_id, struct imsgbuf *ibuf)
3070 67fd6849 2022-02-13 stsp const struct got_error *err = NULL;
3071 67fd6849 2022-02-13 stsp struct imsg imsg;
3072 67fd6849 2022-02-13 stsp struct got_imsg_raw_delta *delta;
3073 67fd6849 2022-02-13 stsp size_t datalen;
3075 67fd6849 2022-02-13 stsp *base_size = 0;
3076 67fd6849 2022-02-13 stsp *result_size = 0;
3077 67fd6849 2022-02-13 stsp *delta_size = 0;
3078 2d9e6abf 2022-05-04 stsp *delta_compressed_size = 0;
3079 67fd6849 2022-02-13 stsp *delta_offset = 0;
3080 67fd6849 2022-02-13 stsp *delta_out_offset = 0;
3081 67fd6849 2022-02-13 stsp *base_id = NULL;
3083 67fd6849 2022-02-13 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3085 67fd6849 2022-02-13 stsp return err;
3087 67fd6849 2022-02-13 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3089 67fd6849 2022-02-13 stsp switch (imsg.hdr.type) {
3090 67fd6849 2022-02-13 stsp case GOT_IMSG_RAW_DELTA:
3091 67fd6849 2022-02-13 stsp if (datalen != sizeof(*delta)) {
3092 67fd6849 2022-02-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
3095 67fd6849 2022-02-13 stsp delta = imsg.data;
3096 67fd6849 2022-02-13 stsp *base_size = delta->base_size;
3097 67fd6849 2022-02-13 stsp *result_size = delta->result_size;
3098 67fd6849 2022-02-13 stsp *delta_size = delta->delta_size;
3099 2d9e6abf 2022-05-04 stsp *delta_compressed_size = delta->delta_compressed_size;
3100 67fd6849 2022-02-13 stsp *delta_offset = delta->delta_offset;
3101 67fd6849 2022-02-13 stsp *delta_out_offset = delta->delta_out_offset;
3102 67fd6849 2022-02-13 stsp *base_id = calloc(1, sizeof(**base_id));
3103 67fd6849 2022-02-13 stsp if (*base_id == NULL) {
3104 67fd6849 2022-02-13 stsp err = got_error_from_errno("malloc");
3107 67fd6849 2022-02-13 stsp memcpy((*base_id)->sha1, delta->base_id, SHA1_DIGEST_LENGTH);
3110 67fd6849 2022-02-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
3114 67fd6849 2022-02-13 stsp imsg_free(&imsg);
3116 67fd6849 2022-02-13 stsp if (err) {
3117 67fd6849 2022-02-13 stsp free(*base_id);
3118 67fd6849 2022-02-13 stsp *base_id = NULL;
3120 fae7e038 2022-05-07 stsp return err;
3123 0ab4c957 2022-06-13 stsp static const struct got_error *
3124 0ab4c957 2022-06-13 stsp send_idlist(struct imsgbuf *ibuf, struct got_object_id **ids, size_t nids)
3126 fae7e038 2022-05-07 stsp const struct got_error *err = NULL;
3127 fae7e038 2022-05-07 stsp struct got_imsg_object_idlist idlist;
3128 fae7e038 2022-05-07 stsp struct ibuf *wbuf;
3131 031611fc 2022-06-18 op memset(&idlist, 0, sizeof(idlist));
3133 fae7e038 2022-05-07 stsp if (nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS)
3134 fae7e038 2022-05-07 stsp return got_error(GOT_ERR_NO_SPACE);
3136 fae7e038 2022-05-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_OBJ_ID_LIST, 0, 0,
3137 fae7e038 2022-05-07 stsp sizeof(idlist) + nids * sizeof(**ids));
3138 fae7e038 2022-05-07 stsp if (wbuf == NULL) {
3139 fae7e038 2022-05-07 stsp err = got_error_from_errno("imsg_create OBJ_ID_LIST");
3140 fae7e038 2022-05-07 stsp return err;
3143 fae7e038 2022-05-07 stsp idlist.nids = nids;
3144 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &idlist, sizeof(idlist)) == -1)
3145 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add OBJ_ID_LIST");
3147 fae7e038 2022-05-07 stsp for (i = 0; i < nids; i++) {
3148 fae7e038 2022-05-07 stsp struct got_object_id *id = ids[i];
3149 1453347d 2022-05-19 stsp if (imsg_add(wbuf, id, sizeof(*id)) == -1)
3150 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add OBJ_ID_LIST");
3153 fae7e038 2022-05-07 stsp wbuf->fd = -1;
3154 fae7e038 2022-05-07 stsp imsg_close(ibuf, wbuf);
3156 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
3159 fae7e038 2022-05-07 stsp const struct got_error *
3160 0ab4c957 2022-06-13 stsp got_privsep_send_object_idlist(struct imsgbuf *ibuf,
3161 0ab4c957 2022-06-13 stsp struct got_object_id **ids, size_t nids)
3163 0ab4c957 2022-06-13 stsp const struct got_error *err = NULL;
3164 0ab4c957 2022-06-13 stsp struct got_object_id *idlist[GOT_IMSG_OBJ_ID_LIST_MAX_NIDS];
3165 a5e587e0 2022-06-14 stsp int i, queued = 0;
3167 b4b1b9c0 2022-06-14 op for (i = 0; i < nids; i++) {
3168 a5e587e0 2022-06-14 stsp idlist[i % nitems(idlist)] = ids[i];
3170 afd31498 2022-06-14 stsp if (queued >= nitems(idlist)) {
3171 a5e587e0 2022-06-14 stsp err = send_idlist(ibuf, idlist, queued);
3173 0ab4c957 2022-06-13 stsp return err;
3174 a5e587e0 2022-06-14 stsp queued = 0;
3178 a5e587e0 2022-06-14 stsp if (queued > 0) {
3179 a5e587e0 2022-06-14 stsp err = send_idlist(ibuf, idlist, queued);
3181 0ab4c957 2022-06-13 stsp return err;
3184 0ab4c957 2022-06-13 stsp return NULL;
3187 0ab4c957 2022-06-13 stsp const struct got_error *
3188 fae7e038 2022-05-07 stsp got_privsep_send_object_idlist_done(struct imsgbuf *ibuf)
3190 fae7e038 2022-05-07 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJ_ID_LIST_DONE, 0, 0, -1, NULL, 0)
3192 fae7e038 2022-05-07 stsp return got_error_from_errno("imsg_compose OBJ_ID_LIST_DONE");
3194 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
3197 fae7e038 2022-05-07 stsp const struct got_error *
3198 fae7e038 2022-05-07 stsp got_privsep_recv_object_idlist(int *done, struct got_object_id **ids,
3199 fae7e038 2022-05-07 stsp size_t *nids, struct imsgbuf *ibuf)
3201 fae7e038 2022-05-07 stsp const struct got_error *err = NULL;
3202 fae7e038 2022-05-07 stsp struct imsg imsg;
3203 fae7e038 2022-05-07 stsp struct got_imsg_object_idlist *idlist;
3204 fae7e038 2022-05-07 stsp size_t datalen;
3206 fae7e038 2022-05-07 stsp *ids = NULL;
3207 fae7e038 2022-05-07 stsp *done = 0;
3208 fae7e038 2022-05-07 stsp *nids = 0;
3210 fae7e038 2022-05-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3212 fae7e038 2022-05-07 stsp return err;
3214 fae7e038 2022-05-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3215 fae7e038 2022-05-07 stsp switch (imsg.hdr.type) {
3216 fae7e038 2022-05-07 stsp case GOT_IMSG_OBJ_ID_LIST:
3217 fae7e038 2022-05-07 stsp if (datalen < sizeof(*idlist)) {
3218 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
3221 fae7e038 2022-05-07 stsp idlist = imsg.data;
3222 c98b0f0b 2022-06-14 op if (idlist->nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS ||
3223 c98b0f0b 2022-06-14 op idlist->nids * sizeof(**ids) > datalen - sizeof(*idlist)) {
3224 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
3227 fae7e038 2022-05-07 stsp *nids = idlist->nids;
3228 fae7e038 2022-05-07 stsp *ids = calloc(*nids, sizeof(**ids));
3229 fae7e038 2022-05-07 stsp if (*ids == NULL) {
3230 fae7e038 2022-05-07 stsp err = got_error_from_errno("calloc");
3233 0fca100c 2022-06-14 op memcpy(*ids, (uint8_t *)imsg.data + sizeof(*idlist),
3234 fae7e038 2022-05-07 stsp *nids * sizeof(**ids));
3236 fae7e038 2022-05-07 stsp case GOT_IMSG_OBJ_ID_LIST_DONE:
3237 fae7e038 2022-05-07 stsp *done = 1;
3240 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
3244 fae7e038 2022-05-07 stsp imsg_free(&imsg);
3246 fae7e038 2022-05-07 stsp return err;
3249 fae7e038 2022-05-07 stsp const struct got_error *
3250 fae7e038 2022-05-07 stsp got_privsep_send_delta_reuse_req(struct imsgbuf *ibuf)
3252 fae7e038 2022-05-07 stsp if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_REQUEST, 0, 0, -1, NULL, 0)
3254 fae7e038 2022-05-07 stsp return got_error_from_errno("imsg_compose DELTA_REUSE_REQUEST");
3256 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
3259 fae7e038 2022-05-07 stsp const struct got_error *
3260 fae7e038 2022-05-07 stsp got_privsep_send_reused_deltas(struct imsgbuf *ibuf,
3261 fae7e038 2022-05-07 stsp struct got_imsg_reused_delta *deltas, size_t ndeltas)
3263 fae7e038 2022-05-07 stsp const struct got_error *err = NULL;
3264 fae7e038 2022-05-07 stsp struct ibuf *wbuf;
3265 fae7e038 2022-05-07 stsp struct got_imsg_reused_deltas ideltas;
3268 031611fc 2022-06-18 op memset(&ideltas, 0, sizeof(ideltas));
3270 fae7e038 2022-05-07 stsp if (ndeltas > GOT_IMSG_REUSED_DELTAS_MAX_NDELTAS)
3271 fae7e038 2022-05-07 stsp return got_error(GOT_ERR_NO_SPACE);
3273 fae7e038 2022-05-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_REUSED_DELTAS, 0, 0,
3274 fae7e038 2022-05-07 stsp sizeof(ideltas) + ndeltas * sizeof(*deltas));
3275 fae7e038 2022-05-07 stsp if (wbuf == NULL) {
3276 fae7e038 2022-05-07 stsp err = got_error_from_errno("imsg_create REUSED_DELTAS");
3277 fae7e038 2022-05-07 stsp return err;
3280 fae7e038 2022-05-07 stsp ideltas.ndeltas = ndeltas;
3281 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &ideltas, sizeof(ideltas)) == -1)
3282 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add REUSED_DELTAS");
3284 fae7e038 2022-05-07 stsp for (i = 0; i < ndeltas; i++) {
3285 fae7e038 2022-05-07 stsp struct got_imsg_reused_delta *delta = &deltas[i];
3286 1453347d 2022-05-19 stsp if (imsg_add(wbuf, delta, sizeof(*delta)) == -1)
3287 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add REUSED_DELTAS");
3290 fae7e038 2022-05-07 stsp wbuf->fd = -1;
3291 fae7e038 2022-05-07 stsp imsg_close(ibuf, wbuf);
3293 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
3296 fae7e038 2022-05-07 stsp const struct got_error *
3297 fae7e038 2022-05-07 stsp got_privsep_send_reused_deltas_done(struct imsgbuf *ibuf)
3299 fae7e038 2022-05-07 stsp if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_DONE, 0, 0, -1, NULL, 0)
3301 fae7e038 2022-05-07 stsp return got_error_from_errno("imsg_compose DELTA_REUSE_DONE");
3303 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
3306 fae7e038 2022-05-07 stsp const struct got_error *
3307 fae7e038 2022-05-07 stsp got_privsep_recv_reused_deltas(int *done, struct got_imsg_reused_delta *deltas,
3308 fae7e038 2022-05-07 stsp size_t *ndeltas, struct imsgbuf *ibuf)
3310 fae7e038 2022-05-07 stsp const struct got_error *err = NULL;
3311 fae7e038 2022-05-07 stsp struct imsg imsg;
3312 fae7e038 2022-05-07 stsp struct got_imsg_reused_deltas *ideltas;
3313 fae7e038 2022-05-07 stsp size_t datalen;
3315 fae7e038 2022-05-07 stsp *done = 0;
3316 fae7e038 2022-05-07 stsp *ndeltas = 0;
3318 fae7e038 2022-05-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3320 fae7e038 2022-05-07 stsp return err;
3322 fae7e038 2022-05-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3323 fae7e038 2022-05-07 stsp switch (imsg.hdr.type) {
3324 fae7e038 2022-05-07 stsp case GOT_IMSG_REUSED_DELTAS:
3325 fae7e038 2022-05-07 stsp if (datalen < sizeof(*ideltas)) {
3326 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
3329 fae7e038 2022-05-07 stsp ideltas = imsg.data;
3330 c98b0f0b 2022-06-14 op if (ideltas->ndeltas > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS ||
3331 c98b0f0b 2022-06-14 op ideltas->ndeltas * sizeof(*deltas) >
3332 c98b0f0b 2022-06-14 op datalen - sizeof(*ideltas)) {
3333 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
3336 fae7e038 2022-05-07 stsp *ndeltas = ideltas->ndeltas;
3337 0fca100c 2022-06-14 op memcpy(deltas, (uint8_t *)imsg.data + sizeof(*ideltas),
3338 fae7e038 2022-05-07 stsp *ndeltas * sizeof(*deltas));
3340 fae7e038 2022-05-07 stsp case GOT_IMSG_DELTA_REUSE_DONE:
3341 fae7e038 2022-05-07 stsp *done = 1;
3344 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
3348 fae7e038 2022-05-07 stsp imsg_free(&imsg);
3350 61af9b21 2022-06-28 stsp return err;
3353 61af9b21 2022-06-28 stsp const struct got_error *
3354 61af9b21 2022-06-28 stsp got_privsep_init_commit_painting(struct imsgbuf *ibuf)
3356 61af9b21 2022-06-28 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_PAINTING_INIT,
3357 61af9b21 2022-06-28 stsp 0, 0, -1, NULL, 0)
3359 61af9b21 2022-06-28 stsp return got_error_from_errno("imsg_compose "
3360 61af9b21 2022-06-28 stsp "COMMIT_PAINTING_INIT");
3362 61af9b21 2022-06-28 stsp return flush_imsg(ibuf);
3365 61af9b21 2022-06-28 stsp const struct got_error *
3366 61af9b21 2022-06-28 stsp got_privsep_send_painting_request(struct imsgbuf *ibuf, int idx,
3367 61af9b21 2022-06-28 stsp struct got_object_id *id, intptr_t color)
3369 61af9b21 2022-06-28 stsp struct got_imsg_commit_painting_request ireq;
3371 61af9b21 2022-06-28 stsp memset(&ireq, 0, sizeof(ireq));
3372 61af9b21 2022-06-28 stsp memcpy(ireq.id, id->sha1, sizeof(ireq.id));
3373 61af9b21 2022-06-28 stsp ireq.idx = idx;
3374 61af9b21 2022-06-28 stsp ireq.color = color;
3376 61af9b21 2022-06-28 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_PAINTING_REQUEST, 0, 0, -1,
3377 61af9b21 2022-06-28 stsp &ireq, sizeof(ireq)) == -1)
3378 61af9b21 2022-06-28 stsp return got_error_from_errno("imsg_compose "
3379 61af9b21 2022-06-28 stsp "COMMIT_PAINTING_REQUEST");
3381 61af9b21 2022-06-28 stsp return flush_imsg(ibuf);
3384 61af9b21 2022-06-28 stsp static const struct got_error *
3385 61af9b21 2022-06-28 stsp send_painted_commits(struct got_object_id_queue *ids, int *nids,
3386 61af9b21 2022-06-28 stsp size_t remain, int present_in_pack, struct imsgbuf *ibuf)
3388 61af9b21 2022-06-28 stsp const struct got_error *err = NULL;
3389 61af9b21 2022-06-28 stsp struct ibuf *wbuf = NULL;
3390 61af9b21 2022-06-28 stsp struct got_object_qid *qid;
3391 61af9b21 2022-06-28 stsp size_t msglen;
3392 61af9b21 2022-06-28 stsp int ncommits;
3393 61af9b21 2022-06-28 stsp intptr_t color;
3395 61af9b21 2022-06-28 stsp msglen = MIN(remain, MAX_IMSGSIZE - IMSG_HEADER_SIZE);
3396 61af9b21 2022-06-28 stsp ncommits = (msglen - sizeof(struct got_imsg_painted_commits)) /
3397 61af9b21 2022-06-28 stsp sizeof(struct got_imsg_painted_commit);
3399 61af9b21 2022-06-28 stsp wbuf = imsg_create(ibuf, GOT_IMSG_PAINTED_COMMITS, 0, 0, msglen);
3400 61af9b21 2022-06-28 stsp if (wbuf == NULL) {
3401 61af9b21 2022-06-28 stsp err = got_error_from_errno("imsg_create PAINTED_COMMITS");
3402 61af9b21 2022-06-28 stsp return err;
3405 61af9b21 2022-06-28 stsp /* Keep in sync with struct got_imsg_painted_commits! */
3406 61af9b21 2022-06-28 stsp if (imsg_add(wbuf, &ncommits, sizeof(ncommits)) == -1)
3407 61af9b21 2022-06-28 stsp return got_error_from_errno("imsg_add PAINTED_COMMITS");
3408 61af9b21 2022-06-28 stsp if (imsg_add(wbuf, &present_in_pack, sizeof(present_in_pack)) == -1)
3409 61af9b21 2022-06-28 stsp return got_error_from_errno("imsg_add PAINTED_COMMITS");
3411 61af9b21 2022-06-28 stsp while (ncommits > 0) {
3412 61af9b21 2022-06-28 stsp qid = STAILQ_FIRST(ids);
3413 61af9b21 2022-06-28 stsp STAILQ_REMOVE_HEAD(ids, entry);
3414 61af9b21 2022-06-28 stsp ncommits--;
3415 61af9b21 2022-06-28 stsp (*nids)--;
3416 61af9b21 2022-06-28 stsp color = (intptr_t)qid->data;
3418 61af9b21 2022-06-28 stsp /* Keep in sync with struct got_imsg_painted_commit! */
3419 61af9b21 2022-06-28 stsp if (imsg_add(wbuf, qid->id.sha1, SHA1_DIGEST_LENGTH) == -1)
3420 61af9b21 2022-06-28 stsp return got_error_from_errno("imsg_add PAINTED_COMMITS");
3421 61af9b21 2022-06-28 stsp if (imsg_add(wbuf, &color, sizeof(color)) == -1)
3422 61af9b21 2022-06-28 stsp return got_error_from_errno("imsg_add PAINTED_COMMITS");
3424 61af9b21 2022-06-28 stsp got_object_qid_free(qid);
3427 61af9b21 2022-06-28 stsp wbuf->fd = -1;
3428 61af9b21 2022-06-28 stsp imsg_close(ibuf, wbuf);
3430 61af9b21 2022-06-28 stsp return flush_imsg(ibuf);
3433 61af9b21 2022-06-28 stsp const struct got_error *
3434 61af9b21 2022-06-28 stsp got_privsep_send_painted_commits(struct imsgbuf *ibuf,
3435 61af9b21 2022-06-28 stsp struct got_object_id_queue *ids, int *nids,
3436 61af9b21 2022-06-28 stsp int present_in_pack, int flush)
3438 61af9b21 2022-06-28 stsp const struct got_error *err;
3439 61af9b21 2022-06-28 stsp size_t remain;
3441 61af9b21 2022-06-28 stsp if (*nids <= 0)
3442 61af9b21 2022-06-28 stsp return NULL;
3445 61af9b21 2022-06-28 stsp remain = (sizeof(struct got_imsg_painted_commits)) +
3446 61af9b21 2022-06-28 stsp *nids * sizeof(struct got_imsg_painted_commit);
3447 61af9b21 2022-06-28 stsp if (flush || remain >= MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
3448 61af9b21 2022-06-28 stsp err = send_painted_commits(ids, nids, remain,
3449 61af9b21 2022-06-28 stsp present_in_pack, ibuf);
3451 61af9b21 2022-06-28 stsp return err;
3453 61af9b21 2022-06-28 stsp } while (flush && *nids > 0);
3455 61af9b21 2022-06-28 stsp return NULL;
3458 61af9b21 2022-06-28 stsp const struct got_error *
3459 61af9b21 2022-06-28 stsp got_privsep_send_painting_commits_done(struct imsgbuf *ibuf)
3461 61af9b21 2022-06-28 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_PAINTING_DONE,
3462 61af9b21 2022-06-28 stsp 0, 0, -1, NULL, 0)
3464 61af9b21 2022-06-28 stsp return got_error_from_errno("imsg_compose "
3465 61af9b21 2022-06-28 stsp "COMMIT_PAINTING_DONE");
3467 61af9b21 2022-06-28 stsp return flush_imsg(ibuf);
3470 61af9b21 2022-06-28 stsp const struct got_error *
3471 61af9b21 2022-06-28 stsp got_privsep_recv_painted_commits(struct got_object_id_queue *new_ids,
3472 61af9b21 2022-06-28 stsp got_privsep_recv_painted_commit_cb cb, void *cb_arg, struct imsgbuf *ibuf)
3474 61af9b21 2022-06-28 stsp const struct got_error *err = NULL;
3475 61af9b21 2022-06-28 stsp struct imsg imsg;
3476 61af9b21 2022-06-28 stsp struct got_imsg_painted_commits icommits;
3477 61af9b21 2022-06-28 stsp struct got_imsg_painted_commit icommit;
3478 61af9b21 2022-06-28 stsp size_t datalen;
3481 61af9b21 2022-06-28 stsp for (;;) {
3482 61af9b21 2022-06-28 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3484 61af9b21 2022-06-28 stsp return err;
3486 61af9b21 2022-06-28 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3487 61af9b21 2022-06-28 stsp if (imsg.hdr.type == GOT_IMSG_COMMIT_PAINTING_DONE)
3489 61af9b21 2022-06-28 stsp if (imsg.hdr.type != GOT_IMSG_PAINTED_COMMITS)
3490 61af9b21 2022-06-28 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
3492 61af9b21 2022-06-28 stsp if (datalen < sizeof(icommits))
3493 61af9b21 2022-06-28 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
3494 61af9b21 2022-06-28 stsp memcpy(&icommits, imsg.data, sizeof(icommits));
3495 61af9b21 2022-06-28 stsp if (icommits.ncommits * sizeof(icommit) < icommits.ncommits ||
3496 61af9b21 2022-06-28 stsp datalen < sizeof(icommits) +
3497 61af9b21 2022-06-28 stsp icommits.ncommits * sizeof(icommit))
3498 61af9b21 2022-06-28 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
3500 61af9b21 2022-06-28 stsp for (i = 0; i < icommits.ncommits; i++) {
3501 61af9b21 2022-06-28 stsp memcpy(&icommit,
3502 61af9b21 2022-06-28 stsp (uint8_t *)imsg.data + sizeof(icommits) + i * sizeof(icommit),
3503 61af9b21 2022-06-28 stsp sizeof(icommit));
3505 61af9b21 2022-06-28 stsp if (icommits.present_in_pack) {
3506 61af9b21 2022-06-28 stsp struct got_object_id id;
3507 61af9b21 2022-06-28 stsp memcpy(id.sha1, icommit.id, SHA1_DIGEST_LENGTH);
3508 61af9b21 2022-06-28 stsp err = cb(cb_arg, &id, icommit.color);
3512 61af9b21 2022-06-28 stsp struct got_object_qid *qid;
3513 61af9b21 2022-06-28 stsp err = got_object_qid_alloc_partial(&qid);
3516 61af9b21 2022-06-28 stsp memcpy(qid->id.sha1, icommit.id,
3517 61af9b21 2022-06-28 stsp SHA1_DIGEST_LENGTH);
3518 61af9b21 2022-06-28 stsp qid->data = (void *)icommit.color;
3519 61af9b21 2022-06-28 stsp STAILQ_INSERT_TAIL(new_ids, qid, entry);
3523 61af9b21 2022-06-28 stsp imsg_free(&imsg);
3526 67fd6849 2022-02-13 stsp return err;
3529 67fd6849 2022-02-13 stsp const struct got_error *
3530 63219cd2 2019-01-04 stsp got_privsep_unveil_exec_helpers(void)
3532 c39c25dd 2019-08-09 stsp const char *helpers[] = {
3533 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_PACK,
3534 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_OBJECT,
3535 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_COMMIT,
3536 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TREE,
3537 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_BLOB,
3538 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TAG,
3539 aba9c984 2019-09-08 stsp GOT_PATH_PROG_READ_GITCONFIG,
3540 257add31 2020-09-09 stsp GOT_PATH_PROG_READ_GOTCONFIG,
3541 e9ce266e 2022-03-07 op GOT_PATH_PROG_READ_PATCH,
3542 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_FETCH_PACK,
3543 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_INDEX_PACK,
3544 f8a36e22 2021-08-26 stsp GOT_PATH_PROG_SEND_PACK,
3548 c39c25dd 2019-08-09 stsp for (i = 0; i < nitems(helpers); i++) {
3549 c39c25dd 2019-08-09 stsp if (unveil(helpers[i], "x") == 0)
3551 c39c25dd 2019-08-09 stsp return got_error_from_errno2("unveil", helpers[i]);
3554 63219cd2 2019-01-04 stsp return NULL;
3558 aba9c984 2019-09-08 stsp got_privsep_exec_child(int imsg_fds[2], const char *path, const char *repo_path)
3560 08578a35 2021-01-22 stsp if (close(imsg_fds[0]) == -1) {
3561 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3565 aba9c984 2019-09-08 stsp if (dup2(imsg_fds[1], GOT_IMSG_FD_CHILD) == -1) {
3566 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3570 4a55b231 2021-12-09 stsp closefrom(GOT_IMSG_FD_CHILD + 1);
3572 aba9c984 2019-09-08 stsp if (execl(path, path, repo_path, (char *)NULL) == -1) {
3573 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s: %s\n", getprogname(), path,
3574 aba9c984 2019-09-08 stsp strerror(errno));