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"
52 2178c42e 2018-04-22 stsp #define MIN(_a,_b) ((_a) < (_b) ? (_a) : (_b))
55 c39c25dd 2019-08-09 stsp #ifndef nitems
56 c39c25dd 2019-08-09 stsp #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
59 2178c42e 2018-04-22 stsp static const struct got_error *
60 2178c42e 2018-04-22 stsp poll_fd(int fd, int events, int timeout)
62 2178c42e 2018-04-22 stsp struct pollfd pfd[1];
63 a486b62b 2021-05-18 stsp struct timespec ts;
64 a486b62b 2021-05-18 stsp sigset_t sigset;
67 2178c42e 2018-04-22 stsp pfd[0].fd = fd;
68 2178c42e 2018-04-22 stsp pfd[0].events = events;
70 a486b62b 2021-05-18 stsp ts.tv_sec = timeout;
71 a486b62b 2021-05-18 stsp ts.tv_nsec = 0;
73 a486b62b 2021-05-18 stsp if (sigemptyset(&sigset) == -1)
74 a486b62b 2021-05-18 stsp return got_error_from_errno("sigemptyset");
75 a486b62b 2021-05-18 stsp if (sigaddset(&sigset, SIGWINCH) == -1)
76 a486b62b 2021-05-18 stsp return got_error_from_errno("sigaddset");
78 a486b62b 2021-05-18 stsp n = ppoll(pfd, 1, timeout == INFTIM ? NULL : &ts, &sigset);
79 2178c42e 2018-04-22 stsp if (n == -1)
80 932dbee7 2021-05-19 stsp return got_error_from_errno("ppoll");
82 2178c42e 2018-04-22 stsp return got_error(GOT_ERR_TIMEOUT);
83 2178c42e 2018-04-22 stsp if (pfd[0].revents & (POLLERR | POLLNVAL))
84 638f9024 2019-05-13 stsp return got_error_from_errno("poll error");
85 2178c42e 2018-04-22 stsp if (pfd[0].revents & (events | POLLHUP))
86 2178c42e 2018-04-22 stsp return NULL;
88 2178c42e 2018-04-22 stsp return got_error(GOT_ERR_INTERRUPT);
91 c4eae628 2018-04-23 stsp static const struct got_error *
92 e033d803 2018-04-23 stsp read_imsg(struct imsgbuf *ibuf)
94 fe36cf76 2018-04-23 stsp const struct got_error *err;
97 c9b75c7b 2022-05-19 stsp err = poll_fd(ibuf->fd, POLLIN, INFTIM);
101 fe36cf76 2018-04-23 stsp n = imsg_read(ibuf);
102 fe36cf76 2018-04-23 stsp if (n == -1) {
103 fe36cf76 2018-04-23 stsp if (errno == EAGAIN) /* Could be a file-descriptor leak. */
104 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_NO_FD);
105 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_READ);
107 fe36cf76 2018-04-23 stsp if (n == 0)
108 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_PIPE);
110 e033d803 2018-04-23 stsp return NULL;
113 ad242220 2018-09-08 stsp const struct got_error *
114 876c234b 2018-09-10 stsp got_privsep_wait_for_child(pid_t pid)
116 876c234b 2018-09-10 stsp int child_status;
118 2cb49fa8 2019-05-10 stsp if (waitpid(pid, &child_status, 0) == -1)
119 638f9024 2019-05-13 stsp return got_error_from_errno("waitpid");
121 876c234b 2018-09-10 stsp if (!WIFEXITED(child_status))
122 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_DIED);
124 876c234b 2018-09-10 stsp if (WEXITSTATUS(child_status) != 0)
125 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_EXIT);
127 876c234b 2018-09-10 stsp return NULL;
130 73b7854a 2018-11-11 stsp static const struct got_error *
131 73b7854a 2018-11-11 stsp recv_imsg_error(struct imsg *imsg, size_t datalen)
133 73b7854a 2018-11-11 stsp struct got_imsg_error *ierr;
135 73b7854a 2018-11-11 stsp if (datalen != sizeof(*ierr))
136 73b7854a 2018-11-11 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
138 73b7854a 2018-11-11 stsp ierr = imsg->data;
139 73b7854a 2018-11-11 stsp if (ierr->code == GOT_ERR_ERRNO) {
140 73b7854a 2018-11-11 stsp static struct got_error serr;
141 73b7854a 2018-11-11 stsp serr.code = GOT_ERR_ERRNO;
142 73b7854a 2018-11-11 stsp serr.msg = strerror(ierr->errno_code);
143 73b7854a 2018-11-11 stsp return &serr;
146 73b7854a 2018-11-11 stsp return got_error(ierr->code);
149 876c234b 2018-09-10 stsp const struct got_error *
150 46de5bfd 2018-11-11 stsp got_privsep_recv_imsg(struct imsg *imsg, struct imsgbuf *ibuf,
151 46de5bfd 2018-11-11 stsp size_t min_datalen)
153 e033d803 2018-04-23 stsp const struct got_error *err;
156 e033d803 2018-04-23 stsp n = imsg_get(ibuf, imsg);
157 876c234b 2018-09-10 stsp if (n == -1)
158 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_get");
160 876c234b 2018-09-10 stsp while (n == 0) {
161 876c234b 2018-09-10 stsp err = read_imsg(ibuf);
163 876c234b 2018-09-10 stsp return err;
164 876c234b 2018-09-10 stsp n = imsg_get(ibuf, imsg);
165 cbfaaf20 2020-01-06 stsp if (n == -1)
166 cbfaaf20 2020-01-06 stsp return got_error_from_errno("imsg_get");
169 fe36cf76 2018-04-23 stsp if (imsg->hdr.len < IMSG_HEADER_SIZE + min_datalen)
170 c4eae628 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
172 73b7854a 2018-11-11 stsp if (imsg->hdr.type == GOT_IMSG_ERROR) {
173 73b7854a 2018-11-11 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
174 73b7854a 2018-11-11 stsp return recv_imsg_error(imsg, datalen);
177 73b7854a 2018-11-11 stsp return NULL;
180 2178c42e 2018-04-22 stsp /* Attempt to send an error in an imsg. Complain on stderr as a last resort. */
182 2178c42e 2018-04-22 stsp got_privsep_send_error(struct imsgbuf *ibuf, const struct got_error *err)
184 2178c42e 2018-04-22 stsp const struct got_error *poll_err;
185 2178c42e 2018-04-22 stsp struct got_imsg_error ierr;
188 2178c42e 2018-04-22 stsp ierr.code = err->code;
189 2178c42e 2018-04-22 stsp if (err->code == GOT_ERR_ERRNO)
190 2178c42e 2018-04-22 stsp ierr.errno_code = errno;
192 2178c42e 2018-04-22 stsp ierr.errno_code = 0;
193 2178c42e 2018-04-22 stsp ret = imsg_compose(ibuf, GOT_IMSG_ERROR, 0, 0, -1, &ierr, sizeof(ierr));
194 e93cd828 2018-11-11 stsp if (ret == -1) {
195 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_compose: %s\n",
196 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
200 2178c42e 2018-04-22 stsp poll_err = poll_fd(ibuf->fd, POLLOUT, INFTIM);
201 5d43e84d 2018-04-23 stsp if (poll_err) {
202 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": poll: %s\n",
203 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, poll_err->msg);
207 2178c42e 2018-04-22 stsp ret = imsg_flush(ibuf);
208 5d43e84d 2018-04-23 stsp if (ret == -1) {
209 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_flush: %s\n",
210 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
211 8934ea8b 2022-02-14 op imsg_clear(ibuf);
216 e033d803 2018-04-23 stsp static const struct got_error *
217 e033d803 2018-04-23 stsp flush_imsg(struct imsgbuf *ibuf)
219 e033d803 2018-04-23 stsp const struct got_error *err;
221 e033d803 2018-04-23 stsp err = poll_fd(ibuf->fd, POLLOUT, INFTIM);
223 e033d803 2018-04-23 stsp return err;
225 8934ea8b 2022-02-14 op if (imsg_flush(ibuf) == -1) {
226 8934ea8b 2022-02-14 op imsg_clear(ibuf);
227 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_flush");
230 e033d803 2018-04-23 stsp return NULL;
233 ad242220 2018-09-08 stsp const struct got_error *
234 e70bf110 2020-03-22 stsp got_privsep_flush_imsg(struct imsgbuf *ibuf)
236 e70bf110 2020-03-22 stsp return flush_imsg(ibuf);
239 e70bf110 2020-03-22 stsp const struct got_error *
240 ad242220 2018-09-08 stsp got_privsep_send_stop(int fd)
242 ad242220 2018-09-08 stsp const struct got_error *err = NULL;
243 ad242220 2018-09-08 stsp struct imsgbuf ibuf;
245 ad242220 2018-09-08 stsp imsg_init(&ibuf, fd);
247 ad242220 2018-09-08 stsp if (imsg_compose(&ibuf, GOT_IMSG_STOP, 0, 0, -1, NULL, 0) == -1)
248 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose STOP");
250 ad242220 2018-09-08 stsp err = flush_imsg(&ibuf);
251 ad242220 2018-09-08 stsp return err;
254 93658fb9 2020-03-18 stsp const struct got_error *
255 d5c81d44 2021-07-08 stsp got_privsep_send_obj_req(struct imsgbuf *ibuf, int fd,
256 d5c81d44 2021-07-08 stsp struct got_object_id *id)
258 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT_REQUEST, 0, 0, fd,
259 d5c81d44 2021-07-08 stsp id, sizeof(*id)) == -1)
260 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT_REQUEST");
262 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
265 59d1e4a0 2021-03-10 stsp const struct got_error *
266 d5c81d44 2021-07-08 stsp got_privsep_send_raw_obj_req(struct imsgbuf *ibuf, int fd,
267 d5c81d44 2021-07-08 stsp struct got_object_id *id)
269 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_OBJECT_REQUEST, 0, 0, fd,
270 d5c81d44 2021-07-08 stsp id, sizeof(*id)) == -1)
271 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose RAW_OBJECT_REQUEST");
273 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
276 59d1e4a0 2021-03-10 stsp const struct got_error *
277 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj_outfd(struct imsgbuf *ibuf, int outfd)
279 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
281 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_OBJECT_OUTFD, 0, 0, outfd, NULL, 0)
283 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_compose RAW_OBJECT_OUTFD");
284 59d1e4a0 2021-03-10 stsp close(outfd);
285 59d1e4a0 2021-03-10 stsp return err;
288 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
291 59d1e4a0 2021-03-10 stsp const struct got_error *
292 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj(struct imsgbuf *ibuf, off_t size, size_t hdrlen,
293 59d1e4a0 2021-03-10 stsp uint8_t *data)
295 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
296 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj iobj;
297 59d1e4a0 2021-03-10 stsp size_t len = sizeof(iobj);
298 59d1e4a0 2021-03-10 stsp struct ibuf *wbuf;
300 59d1e4a0 2021-03-10 stsp iobj.hdrlen = hdrlen;
301 59d1e4a0 2021-03-10 stsp iobj.size = size;
303 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX)
304 a8591711 2021-06-18 stsp len += (size_t)size + hdrlen;
306 59d1e4a0 2021-03-10 stsp wbuf = imsg_create(ibuf, GOT_IMSG_RAW_OBJECT, 0, 0, len);
307 59d1e4a0 2021-03-10 stsp if (wbuf == NULL) {
308 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_create RAW_OBJECT");
309 59d1e4a0 2021-03-10 stsp return err;
312 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &iobj, sizeof(iobj)) == -1)
313 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add RAW_OBJECT");
315 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
316 1453347d 2022-05-19 stsp if (imsg_add(wbuf, data, size + hdrlen) == -1)
317 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add RAW_OBJECT");
320 59d1e4a0 2021-03-10 stsp wbuf->fd = -1;
321 59d1e4a0 2021-03-10 stsp imsg_close(ibuf, wbuf);
323 1785f84a 2018-12-23 stsp return flush_imsg(ibuf);
326 1785f84a 2018-12-23 stsp const struct got_error *
327 59d1e4a0 2021-03-10 stsp got_privsep_recv_raw_obj(uint8_t **outbuf, off_t *size, size_t *hdrlen,
328 59d1e4a0 2021-03-10 stsp struct imsgbuf *ibuf)
330 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
331 59d1e4a0 2021-03-10 stsp struct imsg imsg;
332 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj *iobj;
333 59d1e4a0 2021-03-10 stsp size_t datalen;
335 59d1e4a0 2021-03-10 stsp *outbuf = NULL;
337 59d1e4a0 2021-03-10 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
339 59d1e4a0 2021-03-10 stsp return err;
341 59d1e4a0 2021-03-10 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
343 59d1e4a0 2021-03-10 stsp switch (imsg.hdr.type) {
344 59d1e4a0 2021-03-10 stsp case GOT_IMSG_RAW_OBJECT:
345 59d1e4a0 2021-03-10 stsp if (datalen < sizeof(*iobj)) {
346 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
349 59d1e4a0 2021-03-10 stsp iobj = imsg.data;
350 59d1e4a0 2021-03-10 stsp *size = iobj->size;
351 59d1e4a0 2021-03-10 stsp *hdrlen = iobj->hdrlen;
353 59d1e4a0 2021-03-10 stsp if (datalen == sizeof(*iobj)) {
354 59d1e4a0 2021-03-10 stsp /* Data has been written to file descriptor. */
358 a8591711 2021-06-18 stsp if (*size + *hdrlen > GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
359 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
363 a8591711 2021-06-18 stsp *outbuf = malloc(*size + *hdrlen);
364 59d1e4a0 2021-03-10 stsp if (*outbuf == NULL) {
365 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("malloc");
368 a8591711 2021-06-18 stsp memcpy(*outbuf, imsg.data + sizeof(*iobj), *size + *hdrlen);
371 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
375 59d1e4a0 2021-03-10 stsp imsg_free(&imsg);
377 59d1e4a0 2021-03-10 stsp return err;
380 59d1e4a0 2021-03-10 stsp const struct got_error *
381 1785f84a 2018-12-23 stsp got_privsep_send_commit_req(struct imsgbuf *ibuf, int fd,
382 1785f84a 2018-12-23 stsp struct got_object_id *id, int pack_idx)
384 41496140 2019-02-21 stsp const struct got_error *err = NULL;
385 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
386 d5c81d44 2021-07-08 stsp void *data;
387 1785f84a 2018-12-23 stsp size_t len;
389 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* commit is packed */
390 1785f84a 2018-12-23 stsp iobj.idx = pack_idx;
391 1785f84a 2018-12-23 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
392 d5c81d44 2021-07-08 stsp data = &iobj;
393 1785f84a 2018-12-23 stsp len = sizeof(iobj);
396 d5c81d44 2021-07-08 stsp len = sizeof(*id);
399 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_REQUEST, 0, 0, fd, data, len)
401 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT_REQUEST");
403 41496140 2019-02-21 stsp return err;
406 13c729f7 2018-12-24 stsp return flush_imsg(ibuf);
409 13c729f7 2018-12-24 stsp const struct got_error *
410 13c729f7 2018-12-24 stsp got_privsep_send_tree_req(struct imsgbuf *ibuf, int fd,
411 13c729f7 2018-12-24 stsp struct got_object_id *id, int pack_idx)
413 7f358e3b 2019-11-23 stsp struct ibuf *wbuf;
414 d5c81d44 2021-07-08 stsp size_t len;
416 d5c81d44 2021-07-08 stsp if (pack_idx != -1)
417 d5c81d44 2021-07-08 stsp len = sizeof(struct got_imsg_packed_object);
419 d5c81d44 2021-07-08 stsp len = sizeof(*id);
421 7f358e3b 2019-11-23 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_REQUEST, 0, 0, len);
422 7f358e3b 2019-11-23 stsp if (wbuf == NULL)
423 7f358e3b 2019-11-23 stsp return got_error_from_errno("imsg_create TREE_REQUEST");
425 1453347d 2022-05-19 stsp if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1)
426 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_REQUEST");
428 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tree is packed */
429 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &pack_idx, sizeof(pack_idx)) == -1)
430 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_REQUEST");
433 7f358e3b 2019-11-23 stsp wbuf->fd = fd;
434 7f358e3b 2019-11-23 stsp imsg_close(ibuf, wbuf);
436 268f7291 2018-12-24 stsp return flush_imsg(ibuf);
439 268f7291 2018-12-24 stsp const struct got_error *
440 268f7291 2018-12-24 stsp got_privsep_send_tag_req(struct imsgbuf *ibuf, int fd,
441 268f7291 2018-12-24 stsp struct got_object_id *id, int pack_idx)
443 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
444 d5c81d44 2021-07-08 stsp void *data;
445 268f7291 2018-12-24 stsp size_t len;
447 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tag is packed */
448 268f7291 2018-12-24 stsp iobj.idx = pack_idx;
449 268f7291 2018-12-24 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
450 d5c81d44 2021-07-08 stsp data = &iobj;
451 268f7291 2018-12-24 stsp len = sizeof(iobj);
454 d5c81d44 2021-07-08 stsp len = sizeof(*id);
457 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_REQUEST, 0, 0, fd, data, len)
459 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose TAG_REQUEST");
461 7762fe12 2018-11-05 stsp return flush_imsg(ibuf);
464 7762fe12 2018-11-05 stsp const struct got_error *
465 ebc55e2d 2018-12-24 stsp got_privsep_send_blob_req(struct imsgbuf *ibuf, int infd,
466 ebc55e2d 2018-12-24 stsp struct got_object_id *id, int pack_idx)
468 41496140 2019-02-21 stsp const struct got_error *err = NULL;
469 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
470 d5c81d44 2021-07-08 stsp void *data;
471 ebc55e2d 2018-12-24 stsp size_t len;
473 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* blob is packed */
474 ebc55e2d 2018-12-24 stsp iobj.idx = pack_idx;
475 ebc55e2d 2018-12-24 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
476 d5c81d44 2021-07-08 stsp data = &iobj;
477 ebc55e2d 2018-12-24 stsp len = sizeof(iobj);
480 d5c81d44 2021-07-08 stsp len = sizeof(*id);
483 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_REQUEST, 0, 0, infd, data, len)
485 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_REQUEST");
486 41496140 2019-02-21 stsp close(infd);
487 41496140 2019-02-21 stsp return err;
490 55da3778 2018-09-10 stsp return flush_imsg(ibuf);
493 55da3778 2018-09-10 stsp const struct got_error *
494 55da3778 2018-09-10 stsp got_privsep_send_blob_outfd(struct imsgbuf *ibuf, int outfd)
496 41496140 2019-02-21 stsp const struct got_error *err = NULL;
498 ad242220 2018-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_OUTFD, 0, 0, outfd, NULL, 0)
500 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_OUTFD");
501 41496140 2019-02-21 stsp close(outfd);
502 41496140 2019-02-21 stsp return err;
505 3840f4c9 2018-09-12 stsp return flush_imsg(ibuf);
508 73ab1060 2020-03-18 stsp static const struct got_error *
509 73ab1060 2020-03-18 stsp send_fd(struct imsgbuf *ibuf, int imsg_code, int fd)
511 41496140 2019-02-21 stsp const struct got_error *err = NULL;
513 73ab1060 2020-03-18 stsp if (imsg_compose(ibuf, imsg_code, 0, 0, fd, NULL, 0) == -1) {
514 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TMPFD");
516 41496140 2019-02-21 stsp return err;
519 ad242220 2018-09-08 stsp return flush_imsg(ibuf);
522 ad242220 2018-09-08 stsp const struct got_error *
523 73ab1060 2020-03-18 stsp got_privsep_send_tmpfd(struct imsgbuf *ibuf, int fd)
525 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_TMPFD, fd);
528 73ab1060 2020-03-18 stsp const struct got_error *
529 876c234b 2018-09-10 stsp got_privsep_send_obj(struct imsgbuf *ibuf, struct got_object *obj)
531 2178c42e 2018-04-22 stsp struct got_imsg_object iobj;
533 c59b3346 2018-09-11 stsp memcpy(iobj.id, obj->id.sha1, sizeof(iobj.id));
534 2178c42e 2018-04-22 stsp iobj.type = obj->type;
535 2178c42e 2018-04-22 stsp iobj.flags = obj->flags;
536 2178c42e 2018-04-22 stsp iobj.hdrlen = obj->hdrlen;
537 2178c42e 2018-04-22 stsp iobj.size = obj->size;
538 c59b3346 2018-09-11 stsp if (iobj.flags & GOT_OBJ_FLAG_PACKED) {
539 876c234b 2018-09-10 stsp iobj.pack_offset = obj->pack_offset;
540 c59b3346 2018-09-11 stsp iobj.pack_idx = obj->pack_idx;
543 2178c42e 2018-04-22 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT, 0, 0, -1, &iobj, sizeof(iobj))
545 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT");
547 c59b3346 2018-09-11 stsp return flush_imsg(ibuf);
550 cfd633c2 2018-09-10 stsp const struct got_error *
551 33501562 2020-03-18 stsp got_privsep_send_fetch_req(struct imsgbuf *ibuf, int fd,
552 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs, int fetch_all_branches,
553 abc59930 2021-09-05 naddy struct got_pathlist_head *wanted_branches,
554 abc59930 2021-09-05 naddy struct got_pathlist_head *wanted_refs, int list_refs_only, int verbosity)
556 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
557 33501562 2020-03-18 stsp struct ibuf *wbuf;
558 4ba14133 2020-03-20 stsp size_t len;
559 33501562 2020-03-18 stsp struct got_pathlist_entry *pe;
560 4ba14133 2020-03-20 stsp struct got_imsg_fetch_request fetchreq;
562 4ba14133 2020-03-20 stsp memset(&fetchreq, 0, sizeof(fetchreq));
563 4ba14133 2020-03-20 stsp fetchreq.fetch_all_branches = fetch_all_branches;
564 41b0de12 2020-03-21 stsp fetchreq.list_refs_only = list_refs_only;
565 2690194b 2020-03-21 stsp fetchreq.verbosity = verbosity;
566 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, have_refs, entry)
567 4ba14133 2020-03-20 stsp fetchreq.n_have_refs++;
568 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry)
569 4ba14133 2020-03-20 stsp fetchreq.n_wanted_branches++;
570 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry)
571 0e4002ca 2020-03-21 stsp fetchreq.n_wanted_refs++;
572 659e7fbd 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_request);
573 33501562 2020-03-18 stsp if (len >= MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
575 33501562 2020-03-18 stsp return got_error(GOT_ERR_NO_SPACE);
578 4ba14133 2020-03-20 stsp if (imsg_compose(ibuf, GOT_IMSG_FETCH_REQUEST, 0, 0, fd,
579 4ba14133 2020-03-20 stsp &fetchreq, sizeof(fetchreq)) == -1)
580 4ba14133 2020-03-20 stsp return got_error_from_errno(
581 4ba14133 2020-03-20 stsp "imsg_compose FETCH_SERVER_PROGRESS");
583 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
586 659e7fbd 2020-03-20 stsp return err;
590 33501562 2020-03-18 stsp TAILQ_FOREACH(pe, have_refs, entry) {
591 33501562 2020-03-18 stsp const char *name = pe->path;
592 33501562 2020-03-18 stsp size_t name_len = pe->path_len;
593 33501562 2020-03-18 stsp struct got_object_id *id = pe->data;
595 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_have_ref) + name_len;
596 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_HAVE_REF, 0, 0, len);
597 4ba14133 2020-03-20 stsp if (wbuf == NULL)
598 4ba14133 2020-03-20 stsp return got_error_from_errno("imsg_create FETCH_HAVE_REF");
600 33501562 2020-03-18 stsp /* Keep in sync with struct got_imsg_fetch_have_ref! */
601 1453347d 2022-05-19 stsp if (imsg_add(wbuf, id->sha1, sizeof(id->sha1)) == -1)
602 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add FETCH_HAVE_REF");
603 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
604 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add FETCH_HAVE_REF");
605 1453347d 2022-05-19 stsp if (imsg_add(wbuf, name, name_len) == -1)
606 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add FETCH_HAVE_REF");
608 4ba14133 2020-03-20 stsp wbuf->fd = -1;
609 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
610 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
612 4ba14133 2020-03-20 stsp return err;
615 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry) {
616 4ba14133 2020-03-20 stsp const char *name = pe->path;
617 4ba14133 2020-03-20 stsp size_t name_len = pe->path_len;
619 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_wanted_branch) + name_len;
620 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_BRANCH, 0, 0,
622 4ba14133 2020-03-20 stsp if (wbuf == NULL)
623 4ba14133 2020-03-20 stsp return got_error_from_errno(
624 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_BRANCH");
626 4ba14133 2020-03-20 stsp /* Keep in sync with struct got_imsg_fetch_wanted_branch! */
627 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
628 1453347d 2022-05-19 stsp return got_error_from_errno(
629 4ba14133 2020-03-20 stsp "imsg_add FETCH_WANTED_BRANCH");
630 1453347d 2022-05-19 stsp if (imsg_add(wbuf, name, name_len) == -1)
631 1453347d 2022-05-19 stsp return got_error_from_errno(
632 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_BRANCH");
634 4ba14133 2020-03-20 stsp wbuf->fd = -1;
635 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
636 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
638 4ba14133 2020-03-20 stsp return err;
641 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry) {
642 0e4002ca 2020-03-21 stsp const char *name = pe->path;
643 0e4002ca 2020-03-21 stsp size_t name_len = pe->path_len;
645 0e4002ca 2020-03-21 stsp len = sizeof(struct got_imsg_fetch_wanted_ref) + name_len;
646 0e4002ca 2020-03-21 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_REF, 0, 0,
648 0e4002ca 2020-03-21 stsp if (wbuf == NULL)
649 0e4002ca 2020-03-21 stsp return got_error_from_errno(
650 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_REF");
652 0e4002ca 2020-03-21 stsp /* Keep in sync with struct got_imsg_fetch_wanted_ref! */
653 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
654 1453347d 2022-05-19 stsp return got_error_from_errno(
655 0e4002ca 2020-03-21 stsp "imsg_add FETCH_WANTED_REF");
656 1453347d 2022-05-19 stsp if (imsg_add(wbuf, name, name_len) == -1)
657 1453347d 2022-05-19 stsp return got_error_from_errno(
658 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_REF");
660 0e4002ca 2020-03-21 stsp wbuf->fd = -1;
661 0e4002ca 2020-03-21 stsp imsg_close(ibuf, wbuf);
662 0e4002ca 2020-03-21 stsp err = flush_imsg(ibuf);
664 0e4002ca 2020-03-21 stsp return err;
668 4ba14133 2020-03-20 stsp return NULL;
672 93658fb9 2020-03-18 stsp const struct got_error *
673 f826addf 2020-03-18 stsp got_privsep_send_fetch_outfd(struct imsgbuf *ibuf, int fd)
675 f826addf 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_FETCH_OUTFD, fd);
678 531c3985 2020-03-18 stsp const struct got_error *
679 8f2d01a6 2020-03-18 stsp got_privsep_recv_fetch_progress(int *done, struct got_object_id **id,
680 531c3985 2020-03-18 stsp char **refname, struct got_pathlist_head *symrefs, char **server_progress,
681 1d72a2a0 2020-03-24 stsp off_t *packfile_size, uint8_t *pack_sha1, struct imsgbuf *ibuf)
683 b9f99abf 2020-03-18 stsp const struct got_error *err = NULL;
684 b9f99abf 2020-03-18 stsp struct imsg imsg;
685 b9f99abf 2020-03-18 stsp size_t datalen;
686 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symrefs *isymrefs = NULL;
687 abe0f35f 2020-03-18 stsp size_t n, remain;
692 8f2d01a6 2020-03-18 stsp *id = NULL;
693 b9f99abf 2020-03-18 stsp *refname = NULL;
694 531c3985 2020-03-18 stsp *server_progress = NULL;
695 5a489642 2020-03-19 stsp *packfile_size = 0;
696 1d72a2a0 2020-03-24 stsp memset(pack_sha1, 0, SHA1_DIGEST_LENGTH);
698 531c3985 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
700 b9f99abf 2020-03-18 stsp return err;
702 b9f99abf 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
703 b9f99abf 2020-03-18 stsp switch (imsg.hdr.type) {
704 b9f99abf 2020-03-18 stsp case GOT_IMSG_ERROR:
705 531c3985 2020-03-18 stsp if (datalen < sizeof(struct got_imsg_error)) {
706 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
709 b9f99abf 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
711 abe0f35f 2020-03-18 stsp case GOT_IMSG_FETCH_SYMREFS:
712 abe0f35f 2020-03-18 stsp if (datalen < sizeof(*isymrefs)) {
713 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
716 abe0f35f 2020-03-18 stsp if (isymrefs != NULL) {
717 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
720 abe0f35f 2020-03-18 stsp isymrefs = (struct got_imsg_fetch_symrefs *)imsg.data;
721 abe0f35f 2020-03-18 stsp off = sizeof(*isymrefs);
722 abe0f35f 2020-03-18 stsp remain = datalen - off;
723 abe0f35f 2020-03-18 stsp for (n = 0; n < isymrefs->nsymrefs; n++) {
724 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symref *s;
725 abe0f35f 2020-03-18 stsp char *name, *target;
726 abe0f35f 2020-03-18 stsp if (remain < sizeof(struct got_imsg_fetch_symref)) {
727 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
730 abe0f35f 2020-03-18 stsp s = (struct got_imsg_fetch_symref *)(imsg.data + off);
731 abe0f35f 2020-03-18 stsp off += sizeof(*s);
732 abe0f35f 2020-03-18 stsp remain -= sizeof(*s);
733 abe0f35f 2020-03-18 stsp if (remain < s->name_len) {
734 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
737 abe0f35f 2020-03-18 stsp name = strndup(imsg.data + off, s->name_len);
738 abe0f35f 2020-03-18 stsp if (name == NULL) {
739 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
742 abe0f35f 2020-03-18 stsp off += s->name_len;
743 abe0f35f 2020-03-18 stsp remain -= s->name_len;
744 abe0f35f 2020-03-18 stsp if (remain < s->target_len) {
745 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
746 abe0f35f 2020-03-18 stsp free(name);
749 abe0f35f 2020-03-18 stsp target = strndup(imsg.data + off, s->target_len);
750 abe0f35f 2020-03-18 stsp if (target == NULL) {
751 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
752 abe0f35f 2020-03-18 stsp free(name);
755 abe0f35f 2020-03-18 stsp off += s->target_len;
756 abe0f35f 2020-03-18 stsp remain -= s->target_len;
757 abe0f35f 2020-03-18 stsp err = got_pathlist_append(symrefs, name, target);
759 abe0f35f 2020-03-18 stsp free(name);
760 abe0f35f 2020-03-18 stsp free(target);
765 ea7396b9 2020-03-18 stsp case GOT_IMSG_FETCH_REF:
766 531c3985 2020-03-18 stsp if (datalen <= SHA1_DIGEST_LENGTH) {
767 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
770 8f2d01a6 2020-03-18 stsp *id = malloc(sizeof(**id));
771 8f2d01a6 2020-03-18 stsp if (*id == NULL) {
772 b9f99abf 2020-03-18 stsp err = got_error_from_errno("malloc");
775 8f2d01a6 2020-03-18 stsp memcpy((*id)->sha1, imsg.data, SHA1_DIGEST_LENGTH);
776 b9f99abf 2020-03-18 stsp *refname = strndup(imsg.data + SHA1_DIGEST_LENGTH,
777 b9f99abf 2020-03-18 stsp datalen - SHA1_DIGEST_LENGTH);
778 b9f99abf 2020-03-18 stsp if (*refname == NULL) {
779 b9f99abf 2020-03-18 stsp err = got_error_from_errno("strndup");
783 531c3985 2020-03-18 stsp case GOT_IMSG_FETCH_SERVER_PROGRESS:
784 531c3985 2020-03-18 stsp if (datalen == 0) {
785 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
788 531c3985 2020-03-18 stsp *server_progress = strndup(imsg.data, datalen);
789 531c3985 2020-03-18 stsp if (*server_progress == NULL) {
790 531c3985 2020-03-18 stsp err = got_error_from_errno("strndup");
793 531c3985 2020-03-18 stsp for (i = 0; i < datalen; i++) {
794 531c3985 2020-03-18 stsp if (!isprint((unsigned char)(*server_progress)[i]) &&
795 531c3985 2020-03-18 stsp !isspace((unsigned char)(*server_progress)[i])) {
796 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
797 531c3985 2020-03-18 stsp free(*server_progress);
798 531c3985 2020-03-18 stsp *server_progress = NULL;
803 d2cdc636 2020-03-18 stsp case GOT_IMSG_FETCH_DOWNLOAD_PROGRESS:
804 d2cdc636 2020-03-18 stsp if (datalen < sizeof(*packfile_size)) {
805 d2cdc636 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
808 d2cdc636 2020-03-18 stsp memcpy(packfile_size, imsg.data, sizeof(*packfile_size));
810 8f2d01a6 2020-03-18 stsp case GOT_IMSG_FETCH_DONE:
811 8f2d01a6 2020-03-18 stsp if (datalen != SHA1_DIGEST_LENGTH) {
812 8f2d01a6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
815 1d72a2a0 2020-03-24 stsp memcpy(pack_sha1, imsg.data, SHA1_DIGEST_LENGTH);
819 b887aab6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
825 8f2d01a6 2020-03-18 stsp *id = NULL;
826 b887aab6 2020-03-18 stsp free(*refname);
827 b887aab6 2020-03-18 stsp *refname = NULL;
829 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
830 f8a36e22 2021-08-26 stsp return err;
833 f8a36e22 2021-08-26 stsp static const struct got_error *
834 f8a36e22 2021-08-26 stsp send_send_ref(const char *name, size_t name_len, struct got_object_id *id,
835 f8a36e22 2021-08-26 stsp int delete, struct imsgbuf *ibuf)
837 f8a36e22 2021-08-26 stsp size_t len;
838 f8a36e22 2021-08-26 stsp struct ibuf *wbuf;
840 f8a36e22 2021-08-26 stsp len = sizeof(struct got_imsg_send_ref) + name_len;
841 f8a36e22 2021-08-26 stsp wbuf = imsg_create(ibuf, GOT_IMSG_SEND_REF, 0, 0, len);
842 f8a36e22 2021-08-26 stsp if (wbuf == NULL)
843 f8a36e22 2021-08-26 stsp return got_error_from_errno("imsg_create SEND_REF");
845 f8a36e22 2021-08-26 stsp /* Keep in sync with struct got_imsg_send_ref! */
846 1453347d 2022-05-19 stsp if (imsg_add(wbuf, id->sha1, sizeof(id->sha1)) == -1)
847 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add SEND_REF");
848 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &delete, sizeof(delete)) == -1)
849 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add SEND_REF");
850 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
851 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add SEND_REF");
852 1453347d 2022-05-19 stsp if (imsg_add(wbuf, name, name_len) == -1)
853 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add SEND_REF");
855 f8a36e22 2021-08-26 stsp wbuf->fd = -1;
856 f8a36e22 2021-08-26 stsp imsg_close(ibuf, wbuf);
857 f8a36e22 2021-08-26 stsp return flush_imsg(ibuf);
860 f8a36e22 2021-08-26 stsp const struct got_error *
861 f8a36e22 2021-08-26 stsp got_privsep_send_send_req(struct imsgbuf *ibuf, int fd,
862 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs,
863 abc59930 2021-09-05 naddy struct got_pathlist_head *delete_refs,
864 abc59930 2021-09-05 naddy int verbosity)
866 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
867 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *pe;
868 f8a36e22 2021-08-26 stsp struct got_imsg_send_request sendreq;
869 f8a36e22 2021-08-26 stsp struct got_object_id zero_id;
871 f8a36e22 2021-08-26 stsp memset(&zero_id, 0, sizeof(zero_id));
872 f8a36e22 2021-08-26 stsp memset(&sendreq, 0, sizeof(sendreq));
873 f8a36e22 2021-08-26 stsp sendreq.verbosity = verbosity;
874 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry)
875 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
876 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry)
877 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
878 f8a36e22 2021-08-26 stsp if (imsg_compose(ibuf, GOT_IMSG_SEND_REQUEST, 0, 0, fd,
879 f8a36e22 2021-08-26 stsp &sendreq, sizeof(sendreq)) == -1) {
880 f8a36e22 2021-08-26 stsp err = got_error_from_errno(
881 f8a36e22 2021-08-26 stsp "imsg_compose FETCH_SERVER_PROGRESS");
885 f8a36e22 2021-08-26 stsp err = flush_imsg(ibuf);
890 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry) {
891 f8a36e22 2021-08-26 stsp const char *name = pe->path;
892 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
893 f8a36e22 2021-08-26 stsp struct got_object_id *id = pe->data;
894 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, id, 0, ibuf);
899 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry) {
900 f8a36e22 2021-08-26 stsp const char *name = pe->path;
901 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
902 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, &zero_id, 1, ibuf);
907 f8a36e22 2021-08-26 stsp if (fd != -1 && close(fd) == -1 && err == NULL)
908 f8a36e22 2021-08-26 stsp err = got_error_from_errno("close");
909 f8a36e22 2021-08-26 stsp return err;
913 f8a36e22 2021-08-26 stsp const struct got_error *
914 f8a36e22 2021-08-26 stsp got_privsep_recv_send_remote_refs(struct got_pathlist_head *remote_refs,
915 f8a36e22 2021-08-26 stsp struct imsgbuf *ibuf)
917 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
918 f8a36e22 2021-08-26 stsp struct imsg imsg;
919 f8a36e22 2021-08-26 stsp size_t datalen;
920 f8a36e22 2021-08-26 stsp int done = 0;
921 f8a36e22 2021-08-26 stsp struct got_imsg_send_remote_ref iremote_ref;
922 f8a36e22 2021-08-26 stsp struct got_object_id *id = NULL;
923 f8a36e22 2021-08-26 stsp char *refname = NULL;
924 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *new;
926 f8a36e22 2021-08-26 stsp while (!done) {
927 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
929 f8a36e22 2021-08-26 stsp return err;
930 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
931 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
932 f8a36e22 2021-08-26 stsp case GOT_IMSG_ERROR:
933 f8a36e22 2021-08-26 stsp if (datalen < sizeof(struct got_imsg_error)) {
934 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
937 f8a36e22 2021-08-26 stsp err = recv_imsg_error(&imsg, datalen);
939 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REMOTE_REF:
940 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iremote_ref)) {
941 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
944 f8a36e22 2021-08-26 stsp memcpy(&iremote_ref, imsg.data, sizeof(iremote_ref));
945 f8a36e22 2021-08-26 stsp if (datalen != sizeof(iremote_ref) +
946 f8a36e22 2021-08-26 stsp iremote_ref.name_len) {
947 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
950 f8a36e22 2021-08-26 stsp id = malloc(sizeof(*id));
951 f8a36e22 2021-08-26 stsp if (id == NULL) {
952 f8a36e22 2021-08-26 stsp err = got_error_from_errno("malloc");
955 f8a36e22 2021-08-26 stsp memcpy(id->sha1, iremote_ref.id, SHA1_DIGEST_LENGTH);
956 f8a36e22 2021-08-26 stsp refname = strndup(imsg.data + sizeof(iremote_ref),
957 f8a36e22 2021-08-26 stsp datalen - sizeof(iremote_ref));
958 f8a36e22 2021-08-26 stsp if (refname == NULL) {
959 f8a36e22 2021-08-26 stsp err = got_error_from_errno("strndup");
962 f8a36e22 2021-08-26 stsp err = got_pathlist_insert(&new, remote_refs,
963 f8a36e22 2021-08-26 stsp refname, id);
966 f8a36e22 2021-08-26 stsp if (new == NULL) { /* duplicate which wasn't inserted */
968 f8a36e22 2021-08-26 stsp free(refname);
971 f8a36e22 2021-08-26 stsp refname = NULL;
973 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_PACK_REQUEST:
974 f8a36e22 2021-08-26 stsp if (datalen != 0) {
975 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
978 f8a36e22 2021-08-26 stsp /* got-send-pack is now waiting for a pack file. */
982 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
988 f8a36e22 2021-08-26 stsp free(refname);
989 b9f99abf 2020-03-18 stsp imsg_free(&imsg);
990 b9f99abf 2020-03-18 stsp return err;
993 93658fb9 2020-03-18 stsp const struct got_error *
994 f8a36e22 2021-08-26 stsp got_privsep_send_packfd(struct imsgbuf *ibuf, int fd)
996 f8a36e22 2021-08-26 stsp return send_fd(ibuf, GOT_IMSG_SEND_PACKFD, fd);
999 f8a36e22 2021-08-26 stsp const struct got_error *
1000 f8a36e22 2021-08-26 stsp got_privsep_recv_send_progress(int *done, off_t *bytes_sent,
1001 f8a36e22 2021-08-26 stsp int *success, char **refname, struct imsgbuf *ibuf)
1003 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
1004 f8a36e22 2021-08-26 stsp struct imsg imsg;
1005 f8a36e22 2021-08-26 stsp size_t datalen;
1006 f8a36e22 2021-08-26 stsp struct got_imsg_send_ref_status iref_status;
1008 f8a36e22 2021-08-26 stsp /* Do not reset the current value of 'bytes_sent', it accumulates. */
1009 f8a36e22 2021-08-26 stsp *done = 0;
1010 f8a36e22 2021-08-26 stsp *success = 0;
1011 f8a36e22 2021-08-26 stsp *refname = NULL;
1013 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1015 f8a36e22 2021-08-26 stsp return err;
1017 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1018 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
1019 f8a36e22 2021-08-26 stsp case GOT_IMSG_ERROR:
1020 f8a36e22 2021-08-26 stsp if (datalen < sizeof(struct got_imsg_error)) {
1021 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1024 f8a36e22 2021-08-26 stsp err = recv_imsg_error(&imsg, datalen);
1026 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_UPLOAD_PROGRESS:
1027 f8a36e22 2021-08-26 stsp if (datalen < sizeof(*bytes_sent)) {
1028 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1031 f8a36e22 2021-08-26 stsp memcpy(bytes_sent, imsg.data, sizeof(*bytes_sent));
1033 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REF_STATUS:
1034 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iref_status)) {
1035 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1038 f8a36e22 2021-08-26 stsp memcpy(&iref_status, imsg.data, sizeof(iref_status));
1039 f8a36e22 2021-08-26 stsp if (datalen != sizeof(iref_status) + iref_status.name_len) {
1040 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1043 f8a36e22 2021-08-26 stsp *success = iref_status.success;
1044 f8a36e22 2021-08-26 stsp *refname = strndup(imsg.data + sizeof(iref_status),
1045 f8a36e22 2021-08-26 stsp iref_status.name_len);
1047 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_DONE:
1048 f8a36e22 2021-08-26 stsp if (datalen != 0) {
1049 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1052 f8a36e22 2021-08-26 stsp *done = 1;
1055 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1059 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
1060 f8a36e22 2021-08-26 stsp return err;
1063 f8a36e22 2021-08-26 stsp const struct got_error *
1064 fd251256 2020-03-24 stsp got_privsep_send_index_pack_req(struct imsgbuf *ibuf, uint8_t *pack_sha1,
1067 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1069 668a20f6 2020-03-18 stsp /* Keep in sync with struct got_imsg_index_pack_request */
1070 93658fb9 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_IDXPACK_REQUEST, 0, 0, fd,
1071 fd251256 2020-03-24 stsp pack_sha1, SHA1_DIGEST_LENGTH) == -1) {
1072 93658fb9 2020-03-18 stsp err = got_error_from_errno("imsg_compose INDEX_REQUEST");
1073 93658fb9 2020-03-18 stsp close(fd);
1074 93658fb9 2020-03-18 stsp return err;
1076 baa9fea0 2020-03-18 stsp return flush_imsg(ibuf);
1079 baa9fea0 2020-03-18 stsp const struct got_error *
1080 73ab1060 2020-03-18 stsp got_privsep_send_index_pack_outfd(struct imsgbuf *ibuf, int fd)
1082 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_IDXPACK_OUTFD, fd);
1085 73ab1060 2020-03-18 stsp const struct got_error *
1086 668a20f6 2020-03-18 stsp got_privsep_recv_index_progress(int *done, int *nobj_total,
1087 668a20f6 2020-03-18 stsp int *nobj_indexed, int *nobj_loose, int *nobj_resolved,
1088 668a20f6 2020-03-18 stsp struct imsgbuf *ibuf)
1090 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1091 93658fb9 2020-03-18 stsp struct imsg imsg;
1092 baa9fea0 2020-03-18 stsp struct got_imsg_index_pack_progress *iprogress;
1093 baa9fea0 2020-03-18 stsp size_t datalen;
1095 baa9fea0 2020-03-18 stsp *done = 0;
1096 668a20f6 2020-03-18 stsp *nobj_total = 0;
1097 668a20f6 2020-03-18 stsp *nobj_indexed = 0;
1098 668a20f6 2020-03-18 stsp *nobj_resolved = 0;
1100 93658fb9 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1102 93658fb9 2020-03-18 stsp return err;
1104 baa9fea0 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1105 baa9fea0 2020-03-18 stsp switch (imsg.hdr.type) {
1106 baa9fea0 2020-03-18 stsp case GOT_IMSG_ERROR:
1107 baa9fea0 2020-03-18 stsp if (datalen < sizeof(struct got_imsg_error)) {
1108 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1111 baa9fea0 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
1113 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_PROGRESS:
1114 baa9fea0 2020-03-18 stsp if (datalen < sizeof(*iprogress)) {
1115 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1118 baa9fea0 2020-03-18 stsp iprogress = (struct got_imsg_index_pack_progress *)imsg.data;
1119 668a20f6 2020-03-18 stsp *nobj_total = iprogress->nobj_total;
1120 668a20f6 2020-03-18 stsp *nobj_indexed = iprogress->nobj_indexed;
1121 668a20f6 2020-03-18 stsp *nobj_loose = iprogress->nobj_loose;
1122 668a20f6 2020-03-18 stsp *nobj_resolved = iprogress->nobj_resolved;
1124 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_DONE:
1125 baa9fea0 2020-03-18 stsp if (datalen != 0) {
1126 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1129 baa9fea0 2020-03-18 stsp *done = 1;
1132 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1136 93658fb9 2020-03-18 stsp imsg_free(&imsg);
1137 baa9fea0 2020-03-18 stsp return err;
1140 93658fb9 2020-03-18 stsp const struct got_error *
1141 cfd633c2 2018-09-10 stsp got_privsep_get_imsg_obj(struct got_object **obj, struct imsg *imsg,
1142 cfd633c2 2018-09-10 stsp struct imsgbuf *ibuf)
1144 291624d8 2018-11-07 stsp struct got_imsg_object *iobj;
1145 cfd633c2 2018-09-10 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1147 291624d8 2018-11-07 stsp if (datalen != sizeof(*iobj))
1148 cfd633c2 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1149 291624d8 2018-11-07 stsp iobj = imsg->data;
1151 cfd633c2 2018-09-10 stsp *obj = calloc(1, sizeof(**obj));
1152 cfd633c2 2018-09-10 stsp if (*obj == NULL)
1153 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
1155 291624d8 2018-11-07 stsp memcpy((*obj)->id.sha1, iobj->id, SHA1_DIGEST_LENGTH);
1156 291624d8 2018-11-07 stsp (*obj)->type = iobj->type;
1157 291624d8 2018-11-07 stsp (*obj)->flags = iobj->flags;
1158 291624d8 2018-11-07 stsp (*obj)->hdrlen = iobj->hdrlen;
1159 291624d8 2018-11-07 stsp (*obj)->size = iobj->size;
1160 c59b3346 2018-09-11 stsp /* path_packfile is handled by caller */
1161 291624d8 2018-11-07 stsp if (iobj->flags & GOT_OBJ_FLAG_PACKED) {
1162 291624d8 2018-11-07 stsp (*obj)->pack_offset = iobj->pack_offset;
1163 291624d8 2018-11-07 stsp (*obj)->pack_idx = iobj->pack_idx;
1165 d1b988e3 2022-01-26 stsp STAILQ_INIT(&(*obj)->deltas.entries);
1166 9296b03b 2022-01-26 stsp return NULL;
1169 2178c42e 2018-04-22 stsp const struct got_error *
1170 2178c42e 2018-04-22 stsp got_privsep_recv_obj(struct got_object **obj, struct imsgbuf *ibuf)
1172 2178c42e 2018-04-22 stsp const struct got_error *err = NULL;
1173 2178c42e 2018-04-22 stsp struct imsg imsg;
1174 c4eae628 2018-04-23 stsp const size_t min_datalen =
1175 c4eae628 2018-04-23 stsp MIN(sizeof(struct got_imsg_error), sizeof(struct got_imsg_object));
1177 2178c42e 2018-04-22 stsp *obj = NULL;
1179 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1181 2178c42e 2018-04-22 stsp return err;
1183 2178c42e 2018-04-22 stsp switch (imsg.hdr.type) {
1184 2178c42e 2018-04-22 stsp case GOT_IMSG_OBJECT:
1185 cfd633c2 2018-09-10 stsp err = got_privsep_get_imsg_obj(obj, &imsg, ibuf);
1188 bff6ca00 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1192 bff6ca00 2018-04-23 stsp imsg_free(&imsg);
1194 bff6ca00 2018-04-23 stsp return err;
1197 c75f7264 2018-09-11 stsp static const struct got_error *
1198 c75f7264 2018-09-11 stsp send_commit_logmsg(struct imsgbuf *ibuf, struct got_commit_object *commit,
1199 c75f7264 2018-09-11 stsp size_t logmsg_len)
1201 fa4ffeb3 2018-11-04 stsp const struct got_error *err = NULL;
1202 c75f7264 2018-09-11 stsp size_t offset, remain;
1204 c75f7264 2018-09-11 stsp offset = 0;
1205 c75f7264 2018-09-11 stsp remain = logmsg_len;
1206 c75f7264 2018-09-11 stsp while (remain > 0) {
1207 c75f7264 2018-09-11 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1209 c75f7264 2018-09-11 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_LOGMSG, 0, 0, -1,
1210 fa4ffeb3 2018-11-04 stsp commit->logmsg + offset, n) == -1) {
1211 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose "
1212 230a42bd 2019-05-11 jcs "COMMIT_LOGMSG");
1216 fa4ffeb3 2018-11-04 stsp err = flush_imsg(ibuf);
1220 c75f7264 2018-09-11 stsp offset += n;
1221 c75f7264 2018-09-11 stsp remain -= n;
1224 fa4ffeb3 2018-11-04 stsp return err;
1227 bff6ca00 2018-04-23 stsp const struct got_error *
1228 068fd2bf 2018-04-24 stsp got_privsep_send_commit(struct imsgbuf *ibuf, struct got_commit_object *commit)
1230 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1231 b9c33926 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1232 bff6ca00 2018-04-23 stsp uint8_t *buf;
1233 bff6ca00 2018-04-23 stsp size_t len, total;
1234 79f35eb3 2018-06-11 stsp struct got_object_qid *qid;
1235 b9c33926 2018-11-07 stsp size_t author_len = strlen(commit->author);
1236 b9c33926 2018-11-07 stsp size_t committer_len = strlen(commit->committer);
1237 c75f7264 2018-09-11 stsp size_t logmsg_len = strlen(commit->logmsg);
1239 b9c33926 2018-11-07 stsp total = sizeof(*icommit) + author_len + committer_len +
1240 b9c33926 2018-11-07 stsp commit->nparents * SHA1_DIGEST_LENGTH;
1242 bff6ca00 2018-04-23 stsp buf = malloc(total);
1243 bff6ca00 2018-04-23 stsp if (buf == NULL)
1244 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1246 b9c33926 2018-11-07 stsp icommit = (struct got_imsg_commit_object *)buf;
1247 a7403916 2018-12-24 stsp memcpy(icommit->tree_id, commit->tree_id->sha1,
1248 a7403916 2018-12-24 stsp sizeof(icommit->tree_id));
1249 b9c33926 2018-11-07 stsp icommit->author_len = author_len;
1250 b9c33926 2018-11-07 stsp icommit->author_time = commit->author_time;
1251 b9c33926 2018-11-07 stsp icommit->author_gmtoff = commit->author_gmtoff;
1252 b9c33926 2018-11-07 stsp icommit->committer_len = committer_len;
1253 b9c33926 2018-11-07 stsp icommit->committer_time = commit->committer_time;
1254 b9c33926 2018-11-07 stsp icommit->committer_gmtoff = commit->committer_gmtoff;
1255 b9c33926 2018-11-07 stsp icommit->logmsg_len = logmsg_len;
1256 b9c33926 2018-11-07 stsp icommit->nparents = commit->nparents;
1258 b9c33926 2018-11-07 stsp len = sizeof(*icommit);
1259 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->author, author_len);
1260 b9c33926 2018-11-07 stsp len += author_len;
1261 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->committer, committer_len);
1262 b9c33926 2018-11-07 stsp len += committer_len;
1263 dbdddfee 2021-06-23 naddy STAILQ_FOREACH(qid, &commit->parent_ids, entry) {
1264 d7b5a0e8 2022-04-20 stsp memcpy(buf + len, &qid->id, SHA1_DIGEST_LENGTH);
1265 86acc566 2018-04-23 stsp len += SHA1_DIGEST_LENGTH;
1268 bff6ca00 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT, 0, 0, -1, buf, len) == -1) {
1269 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT");
1270 bff6ca00 2018-04-23 stsp goto done;
1273 904df868 2018-11-04 stsp if (logmsg_len == 0 ||
1274 904df868 2018-11-04 stsp logmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1275 904df868 2018-11-04 stsp err = flush_imsg(ibuf);
1277 904df868 2018-11-04 stsp goto done;
1279 c75f7264 2018-09-11 stsp err = send_commit_logmsg(ibuf, commit, logmsg_len);
1281 bff6ca00 2018-04-23 stsp free(buf);
1282 bff6ca00 2018-04-23 stsp return err;
1285 ca6e02ac 2020-01-07 stsp static const struct got_error *
1286 ca6e02ac 2020-01-07 stsp get_commit_from_imsg(struct got_commit_object **commit,
1287 ca6e02ac 2020-01-07 stsp struct imsg *imsg, size_t datalen, struct imsgbuf *ibuf)
1289 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1290 291624d8 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1291 ca6e02ac 2020-01-07 stsp size_t len = 0;
1294 ca6e02ac 2020-01-07 stsp if (datalen < sizeof(*icommit))
1295 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1297 ca6e02ac 2020-01-07 stsp icommit = imsg->data;
1298 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommit) + icommit->author_len +
1299 ca6e02ac 2020-01-07 stsp icommit->committer_len +
1300 ca6e02ac 2020-01-07 stsp icommit->nparents * SHA1_DIGEST_LENGTH)
1301 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1303 ca6e02ac 2020-01-07 stsp if (icommit->nparents < 0)
1304 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1306 ca6e02ac 2020-01-07 stsp len += sizeof(*icommit);
1308 ca6e02ac 2020-01-07 stsp *commit = got_object_commit_alloc_partial();
1309 ca6e02ac 2020-01-07 stsp if (*commit == NULL)
1310 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
1311 ca6e02ac 2020-01-07 stsp "got_object_commit_alloc_partial");
1313 ca6e02ac 2020-01-07 stsp memcpy((*commit)->tree_id->sha1, icommit->tree_id,
1314 ca6e02ac 2020-01-07 stsp SHA1_DIGEST_LENGTH);
1315 ca6e02ac 2020-01-07 stsp (*commit)->author_time = icommit->author_time;
1316 ca6e02ac 2020-01-07 stsp (*commit)->author_gmtoff = icommit->author_gmtoff;
1317 ca6e02ac 2020-01-07 stsp (*commit)->committer_time = icommit->committer_time;
1318 ca6e02ac 2020-01-07 stsp (*commit)->committer_gmtoff = icommit->committer_gmtoff;
1320 ca6e02ac 2020-01-07 stsp if (icommit->author_len == 0) {
1321 ca6e02ac 2020-01-07 stsp (*commit)->author = strdup("");
1322 ca6e02ac 2020-01-07 stsp if ((*commit)->author == NULL) {
1323 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1324 ca6e02ac 2020-01-07 stsp goto done;
1327 ca6e02ac 2020-01-07 stsp (*commit)->author = malloc(icommit->author_len + 1);
1328 ca6e02ac 2020-01-07 stsp if ((*commit)->author == NULL) {
1329 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1330 ca6e02ac 2020-01-07 stsp goto done;
1332 ca6e02ac 2020-01-07 stsp memcpy((*commit)->author, imsg->data + len,
1333 ca6e02ac 2020-01-07 stsp icommit->author_len);
1334 ca6e02ac 2020-01-07 stsp (*commit)->author[icommit->author_len] = '\0';
1336 ca6e02ac 2020-01-07 stsp len += icommit->author_len;
1338 ca6e02ac 2020-01-07 stsp if (icommit->committer_len == 0) {
1339 ca6e02ac 2020-01-07 stsp (*commit)->committer = strdup("");
1340 ca6e02ac 2020-01-07 stsp if ((*commit)->committer == NULL) {
1341 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1342 ca6e02ac 2020-01-07 stsp goto done;
1345 ca6e02ac 2020-01-07 stsp (*commit)->committer =
1346 ca6e02ac 2020-01-07 stsp malloc(icommit->committer_len + 1);
1347 ca6e02ac 2020-01-07 stsp if ((*commit)->committer == NULL) {
1348 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1349 ca6e02ac 2020-01-07 stsp goto done;
1351 ca6e02ac 2020-01-07 stsp memcpy((*commit)->committer, imsg->data + len,
1352 ca6e02ac 2020-01-07 stsp icommit->committer_len);
1353 ca6e02ac 2020-01-07 stsp (*commit)->committer[icommit->committer_len] = '\0';
1355 ca6e02ac 2020-01-07 stsp len += icommit->committer_len;
1357 ca6e02ac 2020-01-07 stsp if (icommit->logmsg_len == 0) {
1358 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = strdup("");
1359 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1360 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1361 ca6e02ac 2020-01-07 stsp goto done;
1364 ca6e02ac 2020-01-07 stsp size_t offset = 0, remain = icommit->logmsg_len;
1366 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = malloc(icommit->logmsg_len + 1);
1367 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1368 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1369 ca6e02ac 2020-01-07 stsp goto done;
1371 ca6e02ac 2020-01-07 stsp while (remain > 0) {
1372 ca6e02ac 2020-01-07 stsp struct imsg imsg_log;
1373 ca6e02ac 2020-01-07 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1376 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1378 ca6e02ac 2020-01-07 stsp goto done;
1380 ca6e02ac 2020-01-07 stsp if (imsg_log.hdr.type != GOT_IMSG_COMMIT_LOGMSG) {
1381 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1382 ca6e02ac 2020-01-07 stsp goto done;
1385 ca6e02ac 2020-01-07 stsp memcpy((*commit)->logmsg + offset,
1386 ca6e02ac 2020-01-07 stsp imsg_log.data, n);
1387 ca6e02ac 2020-01-07 stsp imsg_free(&imsg_log);
1388 ca6e02ac 2020-01-07 stsp offset += n;
1389 ca6e02ac 2020-01-07 stsp remain -= n;
1391 ca6e02ac 2020-01-07 stsp (*commit)->logmsg[icommit->logmsg_len] = '\0';
1394 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommit->nparents; i++) {
1395 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
1397 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
1400 d7b5a0e8 2022-04-20 stsp memcpy(&qid->id, imsg->data + len +
1401 d7b5a0e8 2022-04-20 stsp i * SHA1_DIGEST_LENGTH, sizeof(qid->id));
1402 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(&(*commit)->parent_ids, qid, entry);
1403 ca6e02ac 2020-01-07 stsp (*commit)->nparents++;
1406 ca6e02ac 2020-01-07 stsp if (err) {
1407 ca6e02ac 2020-01-07 stsp got_object_commit_close(*commit);
1408 ca6e02ac 2020-01-07 stsp *commit = NULL;
1410 ca6e02ac 2020-01-07 stsp return err;
1413 ca6e02ac 2020-01-07 stsp const struct got_error *
1414 ca6e02ac 2020-01-07 stsp got_privsep_recv_commit(struct got_commit_object **commit, struct imsgbuf *ibuf)
1416 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
1417 ca6e02ac 2020-01-07 stsp struct imsg imsg;
1418 ca6e02ac 2020-01-07 stsp size_t datalen;
1419 ca6e02ac 2020-01-07 stsp const size_t min_datalen =
1420 ca6e02ac 2020-01-07 stsp MIN(sizeof(struct got_imsg_error),
1421 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_object));
1423 ca6e02ac 2020-01-07 stsp *commit = NULL;
1425 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1427 ca6e02ac 2020-01-07 stsp return err;
1429 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1431 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
1432 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
1433 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(commit, &imsg, datalen, ibuf);
1436 8c580685 2018-04-22 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1440 2178c42e 2018-04-22 stsp imsg_free(&imsg);
1442 e033d803 2018-04-23 stsp return err;
1445 33fd69c2 2022-05-19 stsp static const struct got_error *
1446 e44d9391 2022-06-07 stsp send_tree_entries(struct imsgbuf *ibuf, struct got_parsed_tree_entry *entries,
1447 e44d9391 2022-06-07 stsp int idx0, int idxN, size_t len)
1449 33fd69c2 2022-05-19 stsp struct ibuf *wbuf;
1450 33fd69c2 2022-05-19 stsp struct got_imsg_tree_entries ientries;
1453 33fd69c2 2022-05-19 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_ENTRIES, 0, 0, len);
1454 33fd69c2 2022-05-19 stsp if (wbuf == NULL)
1455 33fd69c2 2022-05-19 stsp return got_error_from_errno("imsg_create TREE_ENTRY");
1457 33fd69c2 2022-05-19 stsp ientries.nentries = idxN - idx0 + 1;
1458 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &ientries, sizeof(ientries)) == -1)
1459 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_ENTRY");
1461 33fd69c2 2022-05-19 stsp for (i = idx0; i <= idxN; i++) {
1462 33fd69c2 2022-05-19 stsp struct got_parsed_tree_entry *pte = &entries[i];
1464 3022d272 2019-11-14 stsp /* Keep in sync with struct got_imsg_tree_object definition! */
1465 1453347d 2022-05-19 stsp if (imsg_add(wbuf, pte->id, SHA1_DIGEST_LENGTH) == -1)
1466 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_ENTRY");
1467 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &pte->mode, sizeof(pte->mode)) == -1)
1468 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_ENTRY");
1469 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &pte->namelen, sizeof(pte->namelen)) == -1)
1470 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_ENTRY");
1472 33fd69c2 2022-05-19 stsp /* Remaining bytes are the entry's name. */
1473 1453347d 2022-05-19 stsp if (imsg_add(wbuf, pte->name, pte->namelen) == -1)
1474 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_ENTRY");
1477 33fd69c2 2022-05-19 stsp wbuf->fd = -1;
1478 33fd69c2 2022-05-19 stsp imsg_close(ibuf, wbuf);
1479 33fd69c2 2022-05-19 stsp return NULL;
1482 e44d9391 2022-06-07 stsp const struct got_error *
1483 e44d9391 2022-06-07 stsp got_privsep_send_tree(struct imsgbuf *ibuf,
1484 e44d9391 2022-06-07 stsp struct got_parsed_tree_entry *entries, int nentries)
1486 33fd69c2 2022-05-19 stsp const struct got_error *err = NULL;
1487 e44d9391 2022-06-07 stsp struct got_imsg_tree_object itree;
1488 e44d9391 2022-06-07 stsp size_t entries_len;
1491 e44d9391 2022-06-07 stsp itree.nentries = nentries;
1492 e44d9391 2022-06-07 stsp if (imsg_compose(ibuf, GOT_IMSG_TREE, 0, 0, -1, &itree, sizeof(itree))
1494 e44d9391 2022-06-07 stsp return got_error_from_errno("imsg_compose TREE");
1496 e44d9391 2022-06-07 stsp entries_len = sizeof(struct got_imsg_tree_entries);
1498 33fd69c2 2022-05-19 stsp for (j = 0; j < nentries; j++) {
1499 33fd69c2 2022-05-19 stsp struct got_parsed_tree_entry *pte = &entries[j];
1500 33fd69c2 2022-05-19 stsp size_t len = sizeof(*pte) + pte->namelen;
1502 33fd69c2 2022-05-19 stsp if (j > 0 &&
1503 33fd69c2 2022-05-19 stsp entries_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1504 e44d9391 2022-06-07 stsp err = send_tree_entries(ibuf, entries,
1505 33fd69c2 2022-05-19 stsp i, j - 1, entries_len);
1507 33fd69c2 2022-05-19 stsp return err;
1509 33fd69c2 2022-05-19 stsp entries_len = sizeof(struct got_imsg_tree_entries);
1512 33fd69c2 2022-05-19 stsp entries_len += len;
1515 33fd69c2 2022-05-19 stsp if (j > 0) {
1516 e44d9391 2022-06-07 stsp err = send_tree_entries(ibuf, entries, i, j - 1, entries_len);
1518 33fd69c2 2022-05-19 stsp return err;
1521 b00c9821 2018-11-04 stsp return flush_imsg(ibuf);
1524 e033d803 2018-04-23 stsp const struct got_error *
1525 068fd2bf 2018-04-24 stsp got_privsep_recv_tree(struct got_tree_object **tree, struct imsgbuf *ibuf)
1527 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
1528 e033d803 2018-04-23 stsp const size_t min_datalen =
1529 e033d803 2018-04-23 stsp MIN(sizeof(struct got_imsg_error),
1530 e033d803 2018-04-23 stsp sizeof(struct got_imsg_tree_object));
1531 291624d8 2018-11-07 stsp struct got_imsg_tree_object *itree;
1533 e033d803 2018-04-23 stsp int nentries = 0;
1535 e033d803 2018-04-23 stsp *tree = NULL;
1537 e033d803 2018-04-23 stsp err = read_imsg(ibuf);
1539 1e51f5b9 2018-04-23 stsp goto done;
1542 e033d803 2018-04-23 stsp struct imsg imsg;
1544 e033d803 2018-04-23 stsp size_t datalen;
1545 e44d9391 2022-06-07 stsp struct got_imsg_tree_entries *ientries;
1546 e44d9391 2022-06-07 stsp struct got_tree_entry *te = NULL;
1547 e44d9391 2022-06-07 stsp size_t te_offset;
1549 e033d803 2018-04-23 stsp n = imsg_get(ibuf, &imsg);
1550 e033d803 2018-04-23 stsp if (n == 0) {
1551 7429ae85 2022-05-18 stsp if ((*tree)) {
1552 7429ae85 2022-05-18 stsp if (nentries < (*tree)->nentries) {
1553 7429ae85 2022-05-18 stsp err = read_imsg(ibuf);
1560 7429ae85 2022-05-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1565 fca1f6ad 2020-08-27 stsp if (imsg.hdr.len < IMSG_HEADER_SIZE + min_datalen) {
1566 fca1f6ad 2020-08-27 stsp imsg_free(&imsg);
1567 fca1f6ad 2020-08-27 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1571 e033d803 2018-04-23 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1573 e033d803 2018-04-23 stsp switch (imsg.hdr.type) {
1574 e033d803 2018-04-23 stsp case GOT_IMSG_ERROR:
1575 e033d803 2018-04-23 stsp err = recv_imsg_error(&imsg, datalen);
1577 e033d803 2018-04-23 stsp case GOT_IMSG_TREE:
1578 e033d803 2018-04-23 stsp /* This message should only appear once. */
1579 e033d803 2018-04-23 stsp if (*tree != NULL) {
1580 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1583 291624d8 2018-11-07 stsp if (datalen != sizeof(*itree)) {
1584 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1587 291624d8 2018-11-07 stsp itree = imsg.data;
1588 13fcf1bf 2022-05-18 stsp if (itree->nentries < 0) {
1589 13fcf1bf 2022-05-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1592 c3b78ecc 2018-11-07 stsp *tree = malloc(sizeof(**tree));
1593 e033d803 2018-04-23 stsp if (*tree == NULL) {
1594 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1597 56e0773d 2019-11-28 stsp (*tree)->entries = calloc(itree->nentries,
1598 56e0773d 2019-11-28 stsp sizeof(struct got_tree_entry));
1599 56e0773d 2019-11-28 stsp if ((*tree)->entries == NULL) {
1600 56e0773d 2019-11-28 stsp err = got_error_from_errno("malloc");
1601 baef4d75 2022-05-18 stsp free(*tree);
1602 baef4d75 2022-05-18 stsp *tree = NULL;
1605 56e0773d 2019-11-28 stsp (*tree)->nentries = itree->nentries;
1606 c3b78ecc 2018-11-07 stsp (*tree)->refcnt = 0;
1608 33fd69c2 2022-05-19 stsp case GOT_IMSG_TREE_ENTRIES:
1609 e033d803 2018-04-23 stsp /* This message should be preceeded by GOT_IMSG_TREE. */
1610 e033d803 2018-04-23 stsp if (*tree == NULL) {
1611 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1614 e44d9391 2022-06-07 stsp if (datalen <= sizeof(*ientries) ||
1615 e44d9391 2022-06-07 stsp datalen > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1616 e44d9391 2022-06-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1620 e44d9391 2022-06-07 stsp ientries = imsg.data;
1621 e44d9391 2022-06-07 stsp if (ientries->nentries > INT_MAX) {
1622 e44d9391 2022-06-07 stsp err = got_error_msg(GOT_ERR_NO_SPACE,
1623 e44d9391 2022-06-07 stsp "too many tree entries");
1626 e44d9391 2022-06-07 stsp te_offset = sizeof(*ientries);
1627 e44d9391 2022-06-07 stsp for (i = 0; i < ientries->nentries; i++) {
1628 e44d9391 2022-06-07 stsp struct got_imsg_tree_entry ite;
1629 e44d9391 2022-06-07 stsp const char *te_name;
1630 e44d9391 2022-06-07 stsp uint8_t *buf = imsg.data + te_offset;
1632 e44d9391 2022-06-07 stsp if (te_offset >= datalen) {
1633 e44d9391 2022-06-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1637 e44d9391 2022-06-07 stsp /* Might not be aligned, size is ~32 bytes. */
1638 e44d9391 2022-06-07 stsp memcpy(&ite, buf, sizeof(ite));
1640 e44d9391 2022-06-07 stsp if (ite.namelen >= sizeof(te->name)) {
1641 e44d9391 2022-06-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1644 e44d9391 2022-06-07 stsp if (te_offset + sizeof(ite) + ite.namelen >
1645 e44d9391 2022-06-07 stsp datalen) {
1646 e44d9391 2022-06-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1649 e44d9391 2022-06-07 stsp if (nentries >= (*tree)->nentries) {
1650 e44d9391 2022-06-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1653 e44d9391 2022-06-07 stsp te = &(*tree)->entries[nentries];
1654 e44d9391 2022-06-07 stsp te_name = buf + sizeof(ite);
1655 e44d9391 2022-06-07 stsp memcpy(te->name, te_name, ite.namelen);
1656 e44d9391 2022-06-07 stsp te->name[ite.namelen] = '\0';
1657 e44d9391 2022-06-07 stsp memcpy(te->id.sha1, ite.id, SHA1_DIGEST_LENGTH);
1658 e44d9391 2022-06-07 stsp te->mode = ite.mode;
1659 e44d9391 2022-06-07 stsp te->idx = nentries;
1660 e44d9391 2022-06-07 stsp nentries++;
1662 e44d9391 2022-06-07 stsp te_offset += sizeof(ite) + ite.namelen;
1666 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1670 e033d803 2018-04-23 stsp imsg_free(&imsg);
1675 56e0773d 2019-11-28 stsp if (*tree && (*tree)->nentries != nentries) {
1676 1e51f5b9 2018-04-23 stsp if (err == NULL)
1677 1e51f5b9 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1678 e033d803 2018-04-23 stsp got_object_tree_close(*tree);
1679 e033d803 2018-04-23 stsp *tree = NULL;
1682 ff6b18f8 2018-04-24 stsp return err;
1685 ff6b18f8 2018-04-24 stsp const struct got_error *
1686 ac544f8c 2019-01-13 stsp got_privsep_send_blob(struct imsgbuf *ibuf, size_t size, size_t hdrlen,
1687 ac544f8c 2019-01-13 stsp const uint8_t *data)
1689 2967a784 2018-04-24 stsp struct got_imsg_blob iblob;
1691 2967a784 2018-04-24 stsp iblob.size = size;
1692 ebc55e2d 2018-12-24 stsp iblob.hdrlen = hdrlen;
1694 ac544f8c 2019-01-13 stsp if (data) {
1695 ac544f8c 2019-01-13 stsp uint8_t *buf;
1697 ac544f8c 2019-01-13 stsp if (size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX)
1698 ac544f8c 2019-01-13 stsp return got_error(GOT_ERR_NO_SPACE);
1700 ac544f8c 2019-01-13 stsp buf = malloc(sizeof(iblob) + size);
1701 ac544f8c 2019-01-13 stsp if (buf == NULL)
1702 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1704 ac544f8c 2019-01-13 stsp memcpy(buf, &iblob, sizeof(iblob));
1705 ac544f8c 2019-01-13 stsp memcpy(buf + sizeof(iblob), data, size);
1706 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, buf,
1707 62d463ca 2020-10-20 naddy sizeof(iblob) + size) == -1) {
1708 ac544f8c 2019-01-13 stsp free(buf);
1709 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1711 ac544f8c 2019-01-13 stsp free(buf);
1713 ac544f8c 2019-01-13 stsp /* Data has already been written to file descriptor. */
1714 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, &iblob,
1715 ac544f8c 2019-01-13 stsp sizeof(iblob)) == -1)
1716 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1720 ff6b18f8 2018-04-24 stsp return flush_imsg(ibuf);
1723 ff6b18f8 2018-04-24 stsp const struct got_error *
1724 ac544f8c 2019-01-13 stsp got_privsep_recv_blob(uint8_t **outbuf, size_t *size, size_t *hdrlen,
1725 ac544f8c 2019-01-13 stsp struct imsgbuf *ibuf)
1727 ff6b18f8 2018-04-24 stsp const struct got_error *err = NULL;
1728 ff6b18f8 2018-04-24 stsp struct imsg imsg;
1729 291624d8 2018-11-07 stsp struct got_imsg_blob *iblob;
1730 ff6b18f8 2018-04-24 stsp size_t datalen;
1732 ac544f8c 2019-01-13 stsp *outbuf = NULL;
1734 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1736 ff6b18f8 2018-04-24 stsp return err;
1738 ff6b18f8 2018-04-24 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1740 ff6b18f8 2018-04-24 stsp switch (imsg.hdr.type) {
1741 ff6b18f8 2018-04-24 stsp case GOT_IMSG_BLOB:
1742 ac544f8c 2019-01-13 stsp if (datalen < sizeof(*iblob)) {
1743 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1746 291624d8 2018-11-07 stsp iblob = imsg.data;
1747 291624d8 2018-11-07 stsp *size = iblob->size;
1748 ebc55e2d 2018-12-24 stsp *hdrlen = iblob->hdrlen;
1750 ac544f8c 2019-01-13 stsp if (datalen == sizeof(*iblob)) {
1751 ac544f8c 2019-01-13 stsp /* Data has been written to file descriptor. */
1755 ac544f8c 2019-01-13 stsp if (*size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX) {
1756 ac544f8c 2019-01-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1760 ac544f8c 2019-01-13 stsp *outbuf = malloc(*size);
1761 ac544f8c 2019-01-13 stsp if (*outbuf == NULL) {
1762 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1765 ac544f8c 2019-01-13 stsp memcpy(*outbuf, imsg.data + sizeof(*iblob), *size);
1768 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1772 f4a881ce 2018-11-17 stsp imsg_free(&imsg);
1774 f4a881ce 2018-11-17 stsp return err;
1777 f4a881ce 2018-11-17 stsp static const struct got_error *
1778 f4a881ce 2018-11-17 stsp send_tagmsg(struct imsgbuf *ibuf, struct got_tag_object *tag, size_t tagmsg_len)
1780 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1781 f4a881ce 2018-11-17 stsp size_t offset, remain;
1783 f4a881ce 2018-11-17 stsp offset = 0;
1784 f4a881ce 2018-11-17 stsp remain = tagmsg_len;
1785 f4a881ce 2018-11-17 stsp while (remain > 0) {
1786 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1788 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_TAGMSG, 0, 0, -1,
1789 f4a881ce 2018-11-17 stsp tag->tagmsg + offset, n) == -1) {
1790 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG_TAGMSG");
1794 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1798 f4a881ce 2018-11-17 stsp offset += n;
1799 f4a881ce 2018-11-17 stsp remain -= n;
1802 f4a881ce 2018-11-17 stsp return err;
1805 f4a881ce 2018-11-17 stsp const struct got_error *
1806 f4a881ce 2018-11-17 stsp got_privsep_send_tag(struct imsgbuf *ibuf, struct got_tag_object *tag)
1808 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1809 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1810 f4a881ce 2018-11-17 stsp uint8_t *buf;
1811 f4a881ce 2018-11-17 stsp size_t len, total;
1812 f4a881ce 2018-11-17 stsp size_t tag_len = strlen(tag->tag);
1813 f4a881ce 2018-11-17 stsp size_t tagger_len = strlen(tag->tagger);
1814 f4a881ce 2018-11-17 stsp size_t tagmsg_len = strlen(tag->tagmsg);
1816 f4a881ce 2018-11-17 stsp total = sizeof(*itag) + tag_len + tagger_len + tagmsg_len;
1818 f4a881ce 2018-11-17 stsp buf = malloc(total);
1819 f4a881ce 2018-11-17 stsp if (buf == NULL)
1820 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1822 f4a881ce 2018-11-17 stsp itag = (struct got_imsg_tag_object *)buf;
1823 f4a881ce 2018-11-17 stsp memcpy(itag->id, tag->id.sha1, sizeof(itag->id));
1824 f4a881ce 2018-11-17 stsp itag->obj_type = tag->obj_type;
1825 f4a881ce 2018-11-17 stsp itag->tag_len = tag_len;
1826 f4a881ce 2018-11-17 stsp itag->tagger_len = tagger_len;
1827 f4a881ce 2018-11-17 stsp itag->tagger_time = tag->tagger_time;
1828 f4a881ce 2018-11-17 stsp itag->tagger_gmtoff = tag->tagger_gmtoff;
1829 f4a881ce 2018-11-17 stsp itag->tagmsg_len = tagmsg_len;
1831 f4a881ce 2018-11-17 stsp len = sizeof(*itag);
1832 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tag, tag_len);
1833 f4a881ce 2018-11-17 stsp len += tag_len;
1834 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tagger, tagger_len);
1835 f4a881ce 2018-11-17 stsp len += tagger_len;
1837 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG, 0, 0, -1, buf, len) == -1) {
1838 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG");
1839 f4a881ce 2018-11-17 stsp goto done;
1842 f4a881ce 2018-11-17 stsp if (tagmsg_len == 0 ||
1843 f4a881ce 2018-11-17 stsp tagmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1844 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1846 f4a881ce 2018-11-17 stsp goto done;
1848 f4a881ce 2018-11-17 stsp err = send_tagmsg(ibuf, tag, tagmsg_len);
1850 f4a881ce 2018-11-17 stsp free(buf);
1851 f4a881ce 2018-11-17 stsp return err;
1854 f4a881ce 2018-11-17 stsp const struct got_error *
1855 f4a881ce 2018-11-17 stsp got_privsep_recv_tag(struct got_tag_object **tag, struct imsgbuf *ibuf)
1857 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1858 f4a881ce 2018-11-17 stsp struct imsg imsg;
1859 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1860 f4a881ce 2018-11-17 stsp size_t len, datalen;
1861 f4a881ce 2018-11-17 stsp const size_t min_datalen =
1862 f4a881ce 2018-11-17 stsp MIN(sizeof(struct got_imsg_error),
1863 f4a881ce 2018-11-17 stsp sizeof(struct got_imsg_tag_object));
1865 f4a881ce 2018-11-17 stsp *tag = NULL;
1867 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1869 f4a881ce 2018-11-17 stsp return err;
1871 f4a881ce 2018-11-17 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1874 f4a881ce 2018-11-17 stsp switch (imsg.hdr.type) {
1875 f4a881ce 2018-11-17 stsp case GOT_IMSG_TAG:
1876 f4a881ce 2018-11-17 stsp if (datalen < sizeof(*itag)) {
1877 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1880 f4a881ce 2018-11-17 stsp itag = imsg.data;
1881 f4a881ce 2018-11-17 stsp if (datalen != sizeof(*itag) + itag->tag_len +
1882 f4a881ce 2018-11-17 stsp itag->tagger_len) {
1883 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1886 f4a881ce 2018-11-17 stsp len += sizeof(*itag);
1888 f4a881ce 2018-11-17 stsp *tag = calloc(1, sizeof(**tag));
1889 f4a881ce 2018-11-17 stsp if (*tag == NULL) {
1890 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
1894 f4a881ce 2018-11-17 stsp memcpy((*tag)->id.sha1, itag->id, SHA1_DIGEST_LENGTH);
1896 f4a881ce 2018-11-17 stsp if (itag->tag_len == 0) {
1897 f4a881ce 2018-11-17 stsp (*tag)->tag = strdup("");
1898 f4a881ce 2018-11-17 stsp if ((*tag)->tag == NULL) {
1899 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1903 f4a881ce 2018-11-17 stsp (*tag)->tag = malloc(itag->tag_len + 1);
1904 f4a881ce 2018-11-17 stsp if ((*tag)->tag == NULL) {
1905 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1908 f4a881ce 2018-11-17 stsp memcpy((*tag)->tag, imsg.data + len,
1909 f4a881ce 2018-11-17 stsp itag->tag_len);
1910 f4a881ce 2018-11-17 stsp (*tag)->tag[itag->tag_len] = '\0';
1912 f4a881ce 2018-11-17 stsp len += itag->tag_len;
1914 f4a881ce 2018-11-17 stsp (*tag)->obj_type = itag->obj_type;
1915 f4a881ce 2018-11-17 stsp (*tag)->tagger_time = itag->tagger_time;
1916 f4a881ce 2018-11-17 stsp (*tag)->tagger_gmtoff = itag->tagger_gmtoff;
1918 f4a881ce 2018-11-17 stsp if (itag->tagger_len == 0) {
1919 f4a881ce 2018-11-17 stsp (*tag)->tagger = strdup("");
1920 f4a881ce 2018-11-17 stsp if ((*tag)->tagger == NULL) {
1921 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1925 f4a881ce 2018-11-17 stsp (*tag)->tagger = malloc(itag->tagger_len + 1);
1926 f4a881ce 2018-11-17 stsp if ((*tag)->tagger == NULL) {
1927 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1930 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagger, imsg.data + len,
1931 f4a881ce 2018-11-17 stsp itag->tagger_len);
1932 f4a881ce 2018-11-17 stsp (*tag)->tagger[itag->tagger_len] = '\0';
1934 f4a881ce 2018-11-17 stsp len += itag->tagger_len;
1936 f4a881ce 2018-11-17 stsp if (itag->tagmsg_len == 0) {
1937 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = strdup("");
1938 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1939 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1943 f4a881ce 2018-11-17 stsp size_t offset = 0, remain = itag->tagmsg_len;
1945 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = malloc(itag->tagmsg_len + 1);
1946 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1947 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1950 f4a881ce 2018-11-17 stsp while (remain > 0) {
1951 f4a881ce 2018-11-17 stsp struct imsg imsg_log;
1952 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1955 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1957 f4a881ce 2018-11-17 stsp return err;
1959 f4a881ce 2018-11-17 stsp if (imsg_log.hdr.type != GOT_IMSG_TAG_TAGMSG)
1960 f4a881ce 2018-11-17 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
1962 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagmsg + offset, imsg_log.data,
1964 f4a881ce 2018-11-17 stsp imsg_free(&imsg_log);
1965 f4a881ce 2018-11-17 stsp offset += n;
1966 f4a881ce 2018-11-17 stsp remain -= n;
1968 f4a881ce 2018-11-17 stsp (*tag)->tagmsg[itag->tagmsg_len] = '\0';
1973 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1977 ff6b18f8 2018-04-24 stsp imsg_free(&imsg);
1979 2178c42e 2018-04-22 stsp return err;
1982 876c234b 2018-09-10 stsp const struct got_error *
1983 876c234b 2018-09-10 stsp got_privsep_init_pack_child(struct imsgbuf *ibuf, struct got_pack *pack,
1984 876c234b 2018-09-10 stsp struct got_packidx *packidx)
1986 41496140 2019-02-21 stsp const struct got_error *err = NULL;
1987 876c234b 2018-09-10 stsp struct got_imsg_packidx ipackidx;
1988 876c234b 2018-09-10 stsp struct got_imsg_pack ipack;
1991 876c234b 2018-09-10 stsp ipackidx.len = packidx->len;
1992 c3564dfa 2021-07-15 stsp ipackidx.packfile_size = pack->filesize;
1993 876c234b 2018-09-10 stsp fd = dup(packidx->fd);
1994 876c234b 2018-09-10 stsp if (fd == -1)
1995 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1997 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKIDX, 0, 0, fd, &ipackidx,
1998 41496140 2019-02-21 stsp sizeof(ipackidx)) == -1) {
1999 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACKIDX");
2000 41496140 2019-02-21 stsp close(fd);
2001 41496140 2019-02-21 stsp return err;
2004 876c234b 2018-09-10 stsp if (strlcpy(ipack.path_packfile, pack->path_packfile,
2005 876c234b 2018-09-10 stsp sizeof(ipack.path_packfile)) >= sizeof(ipack.path_packfile))
2006 876c234b 2018-09-10 stsp return got_error(GOT_ERR_NO_SPACE);
2007 876c234b 2018-09-10 stsp ipack.filesize = pack->filesize;
2009 876c234b 2018-09-10 stsp fd = dup(pack->fd);
2010 876c234b 2018-09-10 stsp if (fd == -1)
2011 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
2013 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACK, 0, 0, fd, &ipack, sizeof(ipack))
2015 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACK");
2016 41496140 2019-02-21 stsp close(fd);
2017 41496140 2019-02-21 stsp return err;
2020 876c234b 2018-09-10 stsp return flush_imsg(ibuf);
2023 876c234b 2018-09-10 stsp const struct got_error *
2024 106807b4 2018-09-15 stsp got_privsep_send_packed_obj_req(struct imsgbuf *ibuf, int idx,
2025 106807b4 2018-09-15 stsp struct got_object_id *id)
2027 876c234b 2018-09-10 stsp struct got_imsg_packed_object iobj;
2029 876c234b 2018-09-10 stsp iobj.idx = idx;
2030 106807b4 2018-09-15 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
2032 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_OBJECT_REQUEST, 0, 0, -1,
2033 876c234b 2018-09-10 stsp &iobj, sizeof(iobj)) == -1)
2034 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose "
2035 230a42bd 2019-05-11 jcs "PACKED_OBJECT_REQUEST");
2037 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2040 aba9c984 2019-09-08 stsp const struct got_error *
2041 59d1e4a0 2021-03-10 stsp got_privsep_send_packed_raw_obj_req(struct imsgbuf *ibuf, int idx,
2042 59d1e4a0 2021-03-10 stsp struct got_object_id *id)
2044 59d1e4a0 2021-03-10 stsp struct got_imsg_packed_object iobj;
2046 59d1e4a0 2021-03-10 stsp iobj.idx = idx;
2047 59d1e4a0 2021-03-10 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
2049 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_RAW_OBJECT_REQUEST, 0, 0, -1,
2050 59d1e4a0 2021-03-10 stsp &iobj, sizeof(iobj)) == -1)
2051 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose "
2052 59d1e4a0 2021-03-10 stsp "PACKED_OBJECT_REQUEST");
2054 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
2057 59d1e4a0 2021-03-10 stsp const struct got_error *
2058 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_parse_req(struct imsgbuf *ibuf, int fd)
2060 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2062 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_PARSE_REQUEST, 0, 0, fd,
2063 aba9c984 2019-09-08 stsp NULL, 0) == -1) {
2064 aba9c984 2019-09-08 stsp err = got_error_from_errno("imsg_compose "
2065 aba9c984 2019-09-08 stsp "GITCONFIG_PARSE_REQUEST");
2066 aba9c984 2019-09-08 stsp close(fd);
2067 aba9c984 2019-09-08 stsp return err;
2070 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2073 aba9c984 2019-09-08 stsp const struct got_error *
2074 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_repository_format_version_req(struct imsgbuf *ibuf)
2076 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2077 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST, 0, 0, -1,
2078 aba9c984 2019-09-08 stsp NULL, 0) == -1)
2079 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2080 aba9c984 2019-09-08 stsp "GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST");
2082 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2085 aba9c984 2019-09-08 stsp const struct got_error *
2086 20b7abb3 2020-10-22 stsp got_privsep_send_gitconfig_repository_extensions_req(struct imsgbuf *ibuf)
2088 20b7abb3 2020-10-22 stsp if (imsg_compose(ibuf,
2089 20b7abb3 2020-10-22 stsp GOT_IMSG_GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST, 0, 0, -1,
2090 20b7abb3 2020-10-22 stsp NULL, 0) == -1)
2091 20b7abb3 2020-10-22 stsp return got_error_from_errno("imsg_compose "
2092 20b7abb3 2020-10-22 stsp "GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST");
2094 20b7abb3 2020-10-22 stsp return flush_imsg(ibuf);
2098 20b7abb3 2020-10-22 stsp const struct got_error *
2099 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_name_req(struct imsgbuf *ibuf)
2101 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2102 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_NAME_REQUEST, 0, 0, -1, NULL, 0) == -1)
2103 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2104 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_NAME_REQUEST");
2106 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2109 aba9c984 2019-09-08 stsp const struct got_error *
2110 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_email_req(struct imsgbuf *ibuf)
2112 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2113 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_EMAIL_REQUEST, 0, 0, -1, NULL, 0) == -1)
2114 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2115 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_EMAIL_REQUEST");
2117 cd95becd 2019-11-29 stsp return flush_imsg(ibuf);
2120 cd95becd 2019-11-29 stsp const struct got_error *
2121 cd95becd 2019-11-29 stsp got_privsep_send_gitconfig_remotes_req(struct imsgbuf *ibuf)
2123 cd95becd 2019-11-29 stsp if (imsg_compose(ibuf,
2124 cd95becd 2019-11-29 stsp GOT_IMSG_GITCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2125 cd95becd 2019-11-29 stsp return got_error_from_errno("imsg_compose "
2126 cd95becd 2019-11-29 stsp "GITCONFIG_REMOTE_REQUEST");
2128 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2131 aba9c984 2019-09-08 stsp const struct got_error *
2132 9a1cc63f 2020-02-03 stsp got_privsep_send_gitconfig_owner_req(struct imsgbuf *ibuf)
2134 9a1cc63f 2020-02-03 stsp if (imsg_compose(ibuf,
2135 9a1cc63f 2020-02-03 stsp GOT_IMSG_GITCONFIG_OWNER_REQUEST, 0, 0, -1, NULL, 0) == -1)
2136 9a1cc63f 2020-02-03 stsp return got_error_from_errno("imsg_compose "
2137 9a1cc63f 2020-02-03 stsp "GITCONFIG_OWNER_REQUEST");
2139 9a1cc63f 2020-02-03 stsp return flush_imsg(ibuf);
2142 9a1cc63f 2020-02-03 stsp const struct got_error *
2143 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_str(char **str, struct imsgbuf *ibuf)
2145 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2146 aba9c984 2019-09-08 stsp struct imsg imsg;
2147 aba9c984 2019-09-08 stsp size_t datalen;
2148 aba9c984 2019-09-08 stsp const size_t min_datalen = 0;
2150 aba9c984 2019-09-08 stsp *str = NULL;
2152 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2154 aba9c984 2019-09-08 stsp return err;
2155 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2157 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2158 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_STR_VAL:
2159 aba9c984 2019-09-08 stsp if (datalen == 0)
2161 6c13dcd2 2020-09-18 stsp /* datalen does not include terminating \0 */
2162 6c13dcd2 2020-09-18 stsp *str = malloc(datalen + 1);
2163 aba9c984 2019-09-08 stsp if (*str == NULL) {
2164 aba9c984 2019-09-08 stsp err = got_error_from_errno("malloc");
2167 6c13dcd2 2020-09-18 stsp memcpy(*str, imsg.data, datalen);
2168 6c13dcd2 2020-09-18 stsp (*str)[datalen] = '\0';
2171 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2175 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2176 aba9c984 2019-09-08 stsp return err;
2179 aba9c984 2019-09-08 stsp const struct got_error *
2180 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_int(int *val, struct imsgbuf *ibuf)
2182 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2183 aba9c984 2019-09-08 stsp struct imsg imsg;
2184 aba9c984 2019-09-08 stsp size_t datalen;
2185 aba9c984 2019-09-08 stsp const size_t min_datalen =
2186 aba9c984 2019-09-08 stsp MIN(sizeof(struct got_imsg_error), sizeof(int));
2190 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2192 aba9c984 2019-09-08 stsp return err;
2193 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2195 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2196 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_INT_VAL:
2197 aba9c984 2019-09-08 stsp if (datalen != sizeof(*val)) {
2198 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2201 aba9c984 2019-09-08 stsp memcpy(val, imsg.data, sizeof(*val));
2204 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2208 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2209 cd95becd 2019-11-29 stsp return err;
2212 b8adfa55 2020-09-25 stsp static void
2213 b8adfa55 2020-09-25 stsp free_remote_data(struct got_remote_repo *remote)
2217 b8adfa55 2020-09-25 stsp free(remote->name);
2218 6480c871 2021-08-30 stsp free(remote->fetch_url);
2219 6480c871 2021-08-30 stsp free(remote->send_url);
2220 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_branches; i++)
2221 6480c871 2021-08-30 stsp free(remote->fetch_branches[i]);
2222 6480c871 2021-08-30 stsp free(remote->fetch_branches);
2223 6480c871 2021-08-30 stsp for (i = 0; i < remote->nsend_branches; i++)
2224 6480c871 2021-08-30 stsp free(remote->send_branches[i]);
2225 6480c871 2021-08-30 stsp free(remote->send_branches);
2226 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_refs; i++)
2227 6480c871 2021-08-30 stsp free(remote->fetch_refs[i]);
2228 6480c871 2021-08-30 stsp free(remote->fetch_refs);
2231 cd95becd 2019-11-29 stsp const struct got_error *
2232 cd95becd 2019-11-29 stsp got_privsep_recv_gitconfig_remotes(struct got_remote_repo **remotes,
2233 cd95becd 2019-11-29 stsp int *nremotes, struct imsgbuf *ibuf)
2235 cd95becd 2019-11-29 stsp const struct got_error *err = NULL;
2236 cd95becd 2019-11-29 stsp struct imsg imsg;
2237 cd95becd 2019-11-29 stsp size_t datalen;
2238 cd95becd 2019-11-29 stsp struct got_imsg_remotes iremotes;
2239 cd95becd 2019-11-29 stsp struct got_imsg_remote iremote;
2241 cd95becd 2019-11-29 stsp *remotes = NULL;
2242 cd95becd 2019-11-29 stsp *nremotes = 0;
2243 d669b9c9 2020-02-22 stsp iremotes.nremotes = 0;
2245 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremotes));
2247 cd95becd 2019-11-29 stsp return err;
2248 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2250 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2251 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTES:
2252 cd95becd 2019-11-29 stsp if (datalen != sizeof(iremotes)) {
2253 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2256 cd95becd 2019-11-29 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2257 cd95becd 2019-11-29 stsp if (iremotes.nremotes == 0) {
2258 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2259 cd95becd 2019-11-29 stsp return NULL;
2263 54b1c5b5 2020-02-22 stsp imsg_free(&imsg);
2264 54b1c5b5 2020-02-22 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2267 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2269 5146eb39 2020-03-20 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2270 cd95becd 2019-11-29 stsp if (*remotes == NULL)
2271 cd95becd 2019-11-29 stsp return got_error_from_errno("recallocarray");
2273 cd95becd 2019-11-29 stsp while (*nremotes < iremotes.nremotes) {
2274 cd95becd 2019-11-29 stsp struct got_remote_repo *remote;
2276 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremote));
2279 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2281 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2282 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTE:
2283 cd95becd 2019-11-29 stsp remote = &(*remotes)[*nremotes];
2284 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2285 cd95becd 2019-11-29 stsp if (datalen < sizeof(iremote)) {
2286 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2289 cd95becd 2019-11-29 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2290 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2291 6480c871 2021-08-30 stsp iremote.fetch_url_len == 0 ||
2292 6480c871 2021-08-30 stsp iremote.send_url_len == 0 ||
2293 cd95becd 2019-11-29 stsp (sizeof(iremote) + iremote.name_len +
2294 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) > datalen) {
2295 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2298 cd95becd 2019-11-29 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2299 cd95becd 2019-11-29 stsp iremote.name_len);
2300 cd95becd 2019-11-29 stsp if (remote->name == NULL) {
2301 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2304 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data + sizeof(iremote) +
2305 6480c871 2021-08-30 stsp iremote.name_len, iremote.fetch_url_len);
2306 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2307 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2308 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2311 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data + sizeof(iremote) +
2312 6480c871 2021-08-30 stsp iremote.name_len + iremote.fetch_url_len,
2313 6480c871 2021-08-30 stsp iremote.send_url_len);
2314 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2315 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2316 6480c871 2021-08-30 stsp free_remote_data(remote);
2319 469dd726 2020-03-20 stsp remote->mirror_references = iremote.mirror_references;
2320 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2321 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2322 6480c871 2021-08-30 stsp remote->fetch_branches = NULL;
2323 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2324 6480c871 2021-08-30 stsp remote->send_branches = NULL;
2325 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2326 6480c871 2021-08-30 stsp remote->fetch_refs = NULL;
2327 cd95becd 2019-11-29 stsp (*nremotes)++;
2330 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2334 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2339 cd95becd 2019-11-29 stsp if (err) {
2341 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2342 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2343 cd95becd 2019-11-29 stsp free(*remotes);
2344 cd95becd 2019-11-29 stsp *remotes = NULL;
2345 cd95becd 2019-11-29 stsp *nremotes = 0;
2347 aba9c984 2019-09-08 stsp return err;
2350 257add31 2020-09-09 stsp const struct got_error *
2351 257add31 2020-09-09 stsp got_privsep_send_gotconfig_parse_req(struct imsgbuf *ibuf, int fd)
2353 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2355 257add31 2020-09-09 stsp if (imsg_compose(ibuf, GOT_IMSG_GOTCONFIG_PARSE_REQUEST, 0, 0, fd,
2356 257add31 2020-09-09 stsp NULL, 0) == -1) {
2357 257add31 2020-09-09 stsp err = got_error_from_errno("imsg_compose "
2358 257add31 2020-09-09 stsp "GOTCONFIG_PARSE_REQUEST");
2359 257add31 2020-09-09 stsp close(fd);
2360 257add31 2020-09-09 stsp return err;
2363 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2366 257add31 2020-09-09 stsp const struct got_error *
2367 257add31 2020-09-09 stsp got_privsep_send_gotconfig_author_req(struct imsgbuf *ibuf)
2369 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2370 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_AUTHOR_REQUEST, 0, 0, -1, NULL, 0) == -1)
2371 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2372 257add31 2020-09-09 stsp "GOTCONFIG_AUTHOR_REQUEST");
2374 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2377 ca6e02ac 2020-01-07 stsp const struct got_error *
2378 257add31 2020-09-09 stsp got_privsep_send_gotconfig_remotes_req(struct imsgbuf *ibuf)
2380 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2381 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2382 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2383 257add31 2020-09-09 stsp "GOTCONFIG_REMOTE_REQUEST");
2385 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2388 257add31 2020-09-09 stsp const struct got_error *
2389 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_str(char **str, struct imsgbuf *ibuf)
2391 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2392 257add31 2020-09-09 stsp struct imsg imsg;
2393 257add31 2020-09-09 stsp size_t datalen;
2394 257add31 2020-09-09 stsp const size_t min_datalen = 0;
2396 257add31 2020-09-09 stsp *str = NULL;
2398 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2400 257add31 2020-09-09 stsp return err;
2401 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2403 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2404 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2405 257add31 2020-09-09 stsp if (datalen < sizeof(struct got_imsg_error)) {
2406 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2409 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2411 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_STR_VAL:
2412 257add31 2020-09-09 stsp if (datalen == 0)
2414 5874ea87 2020-09-18 stsp /* datalen does not include terminating \0 */
2415 5874ea87 2020-09-18 stsp *str = malloc(datalen + 1);
2416 257add31 2020-09-09 stsp if (*str == NULL) {
2417 257add31 2020-09-09 stsp err = got_error_from_errno("malloc");
2420 5874ea87 2020-09-18 stsp memcpy(*str, imsg.data, datalen);
2421 5874ea87 2020-09-18 stsp (*str)[datalen] = '\0';
2424 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2428 257add31 2020-09-09 stsp imsg_free(&imsg);
2429 257add31 2020-09-09 stsp return err;
2432 257add31 2020-09-09 stsp const struct got_error *
2433 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_remotes(struct got_remote_repo **remotes,
2434 257add31 2020-09-09 stsp int *nremotes, struct imsgbuf *ibuf)
2436 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2437 257add31 2020-09-09 stsp struct imsg imsg;
2438 257add31 2020-09-09 stsp size_t datalen;
2439 257add31 2020-09-09 stsp struct got_imsg_remotes iremotes;
2440 257add31 2020-09-09 stsp struct got_imsg_remote iremote;
2441 257add31 2020-09-09 stsp const size_t min_datalen =
2442 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremotes));
2444 257add31 2020-09-09 stsp *remotes = NULL;
2445 257add31 2020-09-09 stsp *nremotes = 0;
2446 257add31 2020-09-09 stsp iremotes.nremotes = 0;
2448 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2450 257add31 2020-09-09 stsp return err;
2451 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2453 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2454 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2455 257add31 2020-09-09 stsp if (datalen < sizeof(struct got_imsg_error)) {
2456 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2459 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2461 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTES:
2462 257add31 2020-09-09 stsp if (datalen != sizeof(iremotes)) {
2463 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2466 257add31 2020-09-09 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2467 257add31 2020-09-09 stsp if (iremotes.nremotes == 0) {
2468 257add31 2020-09-09 stsp imsg_free(&imsg);
2469 257add31 2020-09-09 stsp return NULL;
2473 257add31 2020-09-09 stsp imsg_free(&imsg);
2474 257add31 2020-09-09 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2477 257add31 2020-09-09 stsp imsg_free(&imsg);
2479 257add31 2020-09-09 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2480 257add31 2020-09-09 stsp if (*remotes == NULL)
2481 257add31 2020-09-09 stsp return got_error_from_errno("recallocarray");
2483 257add31 2020-09-09 stsp while (*nremotes < iremotes.nremotes) {
2484 257add31 2020-09-09 stsp struct got_remote_repo *remote;
2485 257add31 2020-09-09 stsp const size_t min_datalen =
2486 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremote));
2489 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2492 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2494 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2495 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2496 257add31 2020-09-09 stsp if (datalen < sizeof(struct got_imsg_error)) {
2497 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2500 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2502 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTE:
2503 257add31 2020-09-09 stsp remote = &(*remotes)[*nremotes];
2504 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2505 257add31 2020-09-09 stsp if (datalen < sizeof(iremote)) {
2506 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2509 257add31 2020-09-09 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2510 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2511 6480c871 2021-08-30 stsp (iremote.fetch_url_len == 0 &&
2512 6480c871 2021-08-30 stsp iremote.send_url_len == 0) ||
2513 257add31 2020-09-09 stsp (sizeof(iremote) + iremote.name_len +
2514 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) >
2515 6480c871 2021-08-30 stsp datalen) {
2516 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2519 257add31 2020-09-09 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2520 257add31 2020-09-09 stsp iremote.name_len);
2521 257add31 2020-09-09 stsp if (remote->name == NULL) {
2522 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2525 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data +
2526 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len,
2527 6480c871 2021-08-30 stsp iremote.fetch_url_len);
2528 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2529 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2530 6480c871 2021-08-30 stsp free_remote_data(remote);
2533 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data +
2534 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len +
2535 6480c871 2021-08-30 stsp iremote.fetch_url_len, iremote.send_url_len);
2536 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2537 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2538 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2541 257add31 2020-09-09 stsp remote->mirror_references = iremote.mirror_references;
2542 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2543 6480c871 2021-08-30 stsp if (iremote.nfetch_branches > 0) {
2544 6480c871 2021-08-30 stsp remote->fetch_branches = recallocarray(NULL, 0,
2545 6480c871 2021-08-30 stsp iremote.nfetch_branches, sizeof(char *));
2546 6480c871 2021-08-30 stsp if (remote->fetch_branches == NULL) {
2547 b8adfa55 2020-09-25 stsp err = got_error_from_errno("calloc");
2548 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2552 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2553 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_branches; i++) {
2554 b8adfa55 2020-09-25 stsp char *branch;
2555 b8adfa55 2020-09-25 stsp err = got_privsep_recv_gotconfig_str(&branch,
2557 b8adfa55 2020-09-25 stsp if (err) {
2558 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2559 b8adfa55 2020-09-25 stsp goto done;
2561 6480c871 2021-08-30 stsp remote->fetch_branches[i] = branch;
2562 6480c871 2021-08-30 stsp remote->nfetch_branches++;
2564 6480c871 2021-08-30 stsp if (iremote.nsend_branches > 0) {
2565 6480c871 2021-08-30 stsp remote->send_branches = recallocarray(NULL, 0,
2566 6480c871 2021-08-30 stsp iremote.nsend_branches, sizeof(char *));
2567 6480c871 2021-08-30 stsp if (remote->send_branches == NULL) {
2568 99495ddb 2021-01-10 stsp err = got_error_from_errno("calloc");
2569 99495ddb 2021-01-10 stsp free_remote_data(remote);
2573 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2574 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nsend_branches; i++) {
2575 6480c871 2021-08-30 stsp char *branch;
2576 6480c871 2021-08-30 stsp err = got_privsep_recv_gotconfig_str(&branch,
2578 6480c871 2021-08-30 stsp if (err) {
2579 6480c871 2021-08-30 stsp free_remote_data(remote);
2580 6480c871 2021-08-30 stsp goto done;
2582 6480c871 2021-08-30 stsp remote->send_branches[i] = branch;
2583 6480c871 2021-08-30 stsp remote->nsend_branches++;
2585 6480c871 2021-08-30 stsp if (iremote.nfetch_refs > 0) {
2586 6480c871 2021-08-30 stsp remote->fetch_refs = recallocarray(NULL, 0,
2587 6480c871 2021-08-30 stsp iremote.nfetch_refs, sizeof(char *));
2588 6480c871 2021-08-30 stsp if (remote->fetch_refs == NULL) {
2589 6480c871 2021-08-30 stsp err = got_error_from_errno("calloc");
2590 6480c871 2021-08-30 stsp free_remote_data(remote);
2594 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2595 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_refs; i++) {
2596 99495ddb 2021-01-10 stsp char *ref;
2597 99495ddb 2021-01-10 stsp err = got_privsep_recv_gotconfig_str(&ref,
2599 99495ddb 2021-01-10 stsp if (err) {
2600 99495ddb 2021-01-10 stsp free_remote_data(remote);
2601 99495ddb 2021-01-10 stsp goto done;
2603 6480c871 2021-08-30 stsp remote->fetch_refs[i] = ref;
2604 6480c871 2021-08-30 stsp remote->nfetch_refs++;
2606 257add31 2020-09-09 stsp (*nremotes)++;
2609 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2613 257add31 2020-09-09 stsp imsg_free(&imsg);
2618 257add31 2020-09-09 stsp if (err) {
2620 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2621 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2622 257add31 2020-09-09 stsp free(*remotes);
2623 257add31 2020-09-09 stsp *remotes = NULL;
2624 257add31 2020-09-09 stsp *nremotes = 0;
2626 257add31 2020-09-09 stsp return err;
2629 257add31 2020-09-09 stsp const struct got_error *
2630 ca6e02ac 2020-01-07 stsp got_privsep_send_commit_traversal_request(struct imsgbuf *ibuf,
2631 abc59930 2021-09-05 naddy struct got_object_id *id, int idx, const char *path)
2633 ca6e02ac 2020-01-07 stsp struct ibuf *wbuf;
2634 ca6e02ac 2020-01-07 stsp size_t path_len = strlen(path) + 1;
2636 ca6e02ac 2020-01-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_COMMIT_TRAVERSAL_REQUEST, 0, 0,
2637 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_traversal_request) + path_len);
2638 ca6e02ac 2020-01-07 stsp if (wbuf == NULL)
2639 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
2640 ca6e02ac 2020-01-07 stsp "imsg_create COMMIT_TRAVERSAL_REQUEST");
2641 1453347d 2022-05-19 stsp if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1)
2642 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add "
2643 1453347d 2022-05-19 stsp "COMMIT_TRAVERSAL_REQUEST");
2644 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &idx, sizeof(idx)) == -1)
2645 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add "
2646 1453347d 2022-05-19 stsp "COMMIT_TRAVERSAL_REQUEST");
2647 1453347d 2022-05-19 stsp if (imsg_add(wbuf, path, path_len) == -1)
2648 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add "
2649 1453347d 2022-05-19 stsp "COMMIT_TRAVERSAL_REQUEST");
2651 ca6e02ac 2020-01-07 stsp wbuf->fd = -1;
2652 ca6e02ac 2020-01-07 stsp imsg_close(ibuf, wbuf);
2654 ca6e02ac 2020-01-07 stsp return flush_imsg(ibuf);
2657 ca6e02ac 2020-01-07 stsp const struct got_error *
2658 ca6e02ac 2020-01-07 stsp got_privsep_recv_traversed_commits(struct got_commit_object **changed_commit,
2659 ca6e02ac 2020-01-07 stsp struct got_object_id **changed_commit_id,
2660 ca6e02ac 2020-01-07 stsp struct got_object_id_queue *commit_ids, struct imsgbuf *ibuf)
2662 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
2663 ca6e02ac 2020-01-07 stsp struct imsg imsg;
2664 ca6e02ac 2020-01-07 stsp struct got_imsg_traversed_commits *icommits;
2665 ca6e02ac 2020-01-07 stsp size_t datalen;
2666 ca6e02ac 2020-01-07 stsp int i, done = 0;
2668 ca6e02ac 2020-01-07 stsp *changed_commit = NULL;
2669 ca6e02ac 2020-01-07 stsp *changed_commit_id = NULL;
2671 ca6e02ac 2020-01-07 stsp while (!done) {
2672 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2674 ca6e02ac 2020-01-07 stsp return err;
2676 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2677 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
2678 ca6e02ac 2020-01-07 stsp case GOT_IMSG_TRAVERSED_COMMITS:
2679 ca6e02ac 2020-01-07 stsp icommits = imsg.data;
2680 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommits) +
2681 ca6e02ac 2020-01-07 stsp icommits->ncommits * SHA1_DIGEST_LENGTH) {
2682 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2685 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommits->ncommits; i++) {
2686 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
2687 ca6e02ac 2020-01-07 stsp uint8_t *sha1 = (uint8_t *)imsg.data +
2688 ca6e02ac 2020-01-07 stsp sizeof(*icommits) + i * SHA1_DIGEST_LENGTH;
2689 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
2692 d7b5a0e8 2022-04-20 stsp memcpy(qid->id.sha1, sha1, SHA1_DIGEST_LENGTH);
2693 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(commit_ids, qid, entry);
2695 ca6e02ac 2020-01-07 stsp /* The last commit may contain a change. */
2696 ca6e02ac 2020-01-07 stsp if (i == icommits->ncommits - 1) {
2697 ca6e02ac 2020-01-07 stsp *changed_commit_id =
2698 d7b5a0e8 2022-04-20 stsp got_object_id_dup(&qid->id);
2699 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2700 ca6e02ac 2020-01-07 stsp err = got_error_from_errno(
2701 ca6e02ac 2020-01-07 stsp "got_object_id_dup");
2707 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
2708 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2709 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2712 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(changed_commit, &imsg,
2713 ca6e02ac 2020-01-07 stsp datalen, ibuf);
2715 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT_TRAVERSAL_DONE:
2719 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2723 ca6e02ac 2020-01-07 stsp imsg_free(&imsg);
2729 ca6e02ac 2020-01-07 stsp got_object_id_queue_free(commit_ids);
2730 ca6e02ac 2020-01-07 stsp return err;
2733 67fd6849 2022-02-13 stsp const struct got_error *
2734 67fd6849 2022-02-13 stsp got_privsep_send_raw_delta_req(struct imsgbuf *ibuf, int idx,
2735 67fd6849 2022-02-13 stsp struct got_object_id *id)
2737 67fd6849 2022-02-13 stsp struct got_imsg_raw_delta_request dreq;
2739 67fd6849 2022-02-13 stsp dreq.idx = idx;
2740 67fd6849 2022-02-13 stsp memcpy(dreq.id, id->sha1, SHA1_DIGEST_LENGTH);
2742 67fd6849 2022-02-13 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_DELTA_REQUEST, 0, 0, -1,
2743 67fd6849 2022-02-13 stsp &dreq, sizeof(dreq)) == -1)
2744 67fd6849 2022-02-13 stsp return got_error_from_errno("imsg_compose RAW_DELTA_REQUEST");
2746 67fd6849 2022-02-13 stsp return flush_imsg(ibuf);
2749 67fd6849 2022-02-13 stsp const struct got_error *
2750 67fd6849 2022-02-13 stsp got_privsep_send_raw_delta_outfd(struct imsgbuf *ibuf, int fd)
2752 67fd6849 2022-02-13 stsp return send_fd(ibuf, GOT_IMSG_RAW_DELTA_OUTFD, fd);
2755 67fd6849 2022-02-13 stsp const struct got_error *
2756 67fd6849 2022-02-13 stsp got_privsep_send_raw_delta(struct imsgbuf *ibuf, uint64_t base_size,
2757 2d9e6abf 2022-05-04 stsp uint64_t result_size, off_t delta_size, off_t delta_compressed_size,
2758 2d9e6abf 2022-05-04 stsp off_t delta_offset, off_t delta_out_offset, struct got_object_id *base_id)
2760 67fd6849 2022-02-13 stsp struct got_imsg_raw_delta idelta;
2763 67fd6849 2022-02-13 stsp idelta.base_size = base_size;
2764 67fd6849 2022-02-13 stsp idelta.result_size = result_size;
2765 67fd6849 2022-02-13 stsp idelta.delta_size = delta_size;
2766 2d9e6abf 2022-05-04 stsp idelta.delta_compressed_size = delta_compressed_size;
2767 67fd6849 2022-02-13 stsp idelta.delta_offset = delta_offset;
2768 67fd6849 2022-02-13 stsp idelta.delta_out_offset = delta_out_offset;
2769 67fd6849 2022-02-13 stsp memcpy(idelta.base_id, base_id->sha1, SHA1_DIGEST_LENGTH);
2771 67fd6849 2022-02-13 stsp ret = imsg_compose(ibuf, GOT_IMSG_RAW_DELTA, 0, 0, -1,
2772 67fd6849 2022-02-13 stsp &idelta, sizeof(idelta));
2773 67fd6849 2022-02-13 stsp if (ret == -1)
2774 67fd6849 2022-02-13 stsp return got_error_from_errno("imsg_compose RAW_DELTA");
2776 67fd6849 2022-02-13 stsp return flush_imsg(ibuf);
2779 ca6e02ac 2020-01-07 stsp const struct got_error *
2780 67fd6849 2022-02-13 stsp got_privsep_recv_raw_delta(uint64_t *base_size, uint64_t *result_size,
2781 2d9e6abf 2022-05-04 stsp off_t *delta_size, off_t *delta_compressed_size, off_t *delta_offset,
2782 2d9e6abf 2022-05-04 stsp off_t *delta_out_offset, struct got_object_id **base_id, struct imsgbuf *ibuf)
2784 67fd6849 2022-02-13 stsp const struct got_error *err = NULL;
2785 67fd6849 2022-02-13 stsp struct imsg imsg;
2786 67fd6849 2022-02-13 stsp struct got_imsg_raw_delta *delta;
2787 67fd6849 2022-02-13 stsp size_t datalen;
2789 67fd6849 2022-02-13 stsp *base_size = 0;
2790 67fd6849 2022-02-13 stsp *result_size = 0;
2791 67fd6849 2022-02-13 stsp *delta_size = 0;
2792 2d9e6abf 2022-05-04 stsp *delta_compressed_size = 0;
2793 67fd6849 2022-02-13 stsp *delta_offset = 0;
2794 67fd6849 2022-02-13 stsp *delta_out_offset = 0;
2795 67fd6849 2022-02-13 stsp *base_id = NULL;
2797 67fd6849 2022-02-13 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2799 67fd6849 2022-02-13 stsp return err;
2801 67fd6849 2022-02-13 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2803 67fd6849 2022-02-13 stsp switch (imsg.hdr.type) {
2804 67fd6849 2022-02-13 stsp case GOT_IMSG_RAW_DELTA:
2805 67fd6849 2022-02-13 stsp if (datalen != sizeof(*delta)) {
2806 67fd6849 2022-02-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2809 67fd6849 2022-02-13 stsp delta = imsg.data;
2810 67fd6849 2022-02-13 stsp *base_size = delta->base_size;
2811 67fd6849 2022-02-13 stsp *result_size = delta->result_size;
2812 67fd6849 2022-02-13 stsp *delta_size = delta->delta_size;
2813 2d9e6abf 2022-05-04 stsp *delta_compressed_size = delta->delta_compressed_size;
2814 67fd6849 2022-02-13 stsp *delta_offset = delta->delta_offset;
2815 67fd6849 2022-02-13 stsp *delta_out_offset = delta->delta_out_offset;
2816 67fd6849 2022-02-13 stsp *base_id = calloc(1, sizeof(**base_id));
2817 67fd6849 2022-02-13 stsp if (*base_id == NULL) {
2818 67fd6849 2022-02-13 stsp err = got_error_from_errno("malloc");
2821 67fd6849 2022-02-13 stsp memcpy((*base_id)->sha1, delta->base_id, SHA1_DIGEST_LENGTH);
2824 67fd6849 2022-02-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2828 67fd6849 2022-02-13 stsp imsg_free(&imsg);
2830 67fd6849 2022-02-13 stsp if (err) {
2831 67fd6849 2022-02-13 stsp free(*base_id);
2832 67fd6849 2022-02-13 stsp *base_id = NULL;
2834 fae7e038 2022-05-07 stsp return err;
2837 e44d9391 2022-06-07 stsp const struct got_error *
2838 e44d9391 2022-06-07 stsp got_privsep_send_object_idlist(struct imsgbuf *ibuf,
2839 e44d9391 2022-06-07 stsp struct got_object_id **ids, size_t nids)
2841 fae7e038 2022-05-07 stsp const struct got_error *err = NULL;
2842 fae7e038 2022-05-07 stsp struct got_imsg_object_idlist idlist;
2843 fae7e038 2022-05-07 stsp struct ibuf *wbuf;
2846 fae7e038 2022-05-07 stsp if (nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS)
2847 fae7e038 2022-05-07 stsp return got_error(GOT_ERR_NO_SPACE);
2849 fae7e038 2022-05-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_OBJ_ID_LIST, 0, 0,
2850 fae7e038 2022-05-07 stsp sizeof(idlist) + nids * sizeof(**ids));
2851 fae7e038 2022-05-07 stsp if (wbuf == NULL) {
2852 fae7e038 2022-05-07 stsp err = got_error_from_errno("imsg_create OBJ_ID_LIST");
2853 fae7e038 2022-05-07 stsp return err;
2856 fae7e038 2022-05-07 stsp idlist.nids = nids;
2857 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &idlist, sizeof(idlist)) == -1)
2858 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add OBJ_ID_LIST");
2860 fae7e038 2022-05-07 stsp for (i = 0; i < nids; i++) {
2861 fae7e038 2022-05-07 stsp struct got_object_id *id = ids[i];
2862 1453347d 2022-05-19 stsp if (imsg_add(wbuf, id, sizeof(*id)) == -1)
2863 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add OBJ_ID_LIST");
2866 fae7e038 2022-05-07 stsp wbuf->fd = -1;
2867 fae7e038 2022-05-07 stsp imsg_close(ibuf, wbuf);
2869 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
2872 fae7e038 2022-05-07 stsp const struct got_error *
2873 fae7e038 2022-05-07 stsp got_privsep_send_object_idlist_done(struct imsgbuf *ibuf)
2875 fae7e038 2022-05-07 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJ_ID_LIST_DONE, 0, 0, -1, NULL, 0)
2877 fae7e038 2022-05-07 stsp return got_error_from_errno("imsg_compose OBJ_ID_LIST_DONE");
2879 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
2882 fae7e038 2022-05-07 stsp const struct got_error *
2883 fae7e038 2022-05-07 stsp got_privsep_recv_object_idlist(int *done, struct got_object_id **ids,
2884 fae7e038 2022-05-07 stsp size_t *nids, struct imsgbuf *ibuf)
2886 fae7e038 2022-05-07 stsp const struct got_error *err = NULL;
2887 fae7e038 2022-05-07 stsp struct imsg imsg;
2888 fae7e038 2022-05-07 stsp struct got_imsg_object_idlist *idlist;
2889 fae7e038 2022-05-07 stsp size_t datalen;
2891 fae7e038 2022-05-07 stsp *ids = NULL;
2892 fae7e038 2022-05-07 stsp *done = 0;
2893 fae7e038 2022-05-07 stsp *nids = 0;
2895 fae7e038 2022-05-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2897 fae7e038 2022-05-07 stsp return err;
2899 fae7e038 2022-05-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2900 fae7e038 2022-05-07 stsp switch (imsg.hdr.type) {
2901 fae7e038 2022-05-07 stsp case GOT_IMSG_OBJ_ID_LIST:
2902 fae7e038 2022-05-07 stsp if (datalen < sizeof(*idlist)) {
2903 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2906 fae7e038 2022-05-07 stsp idlist = imsg.data;
2907 fae7e038 2022-05-07 stsp if (idlist->nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS) {
2908 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2911 fae7e038 2022-05-07 stsp *nids = idlist->nids;
2912 fae7e038 2022-05-07 stsp *ids = calloc(*nids, sizeof(**ids));
2913 fae7e038 2022-05-07 stsp if (*ids == NULL) {
2914 fae7e038 2022-05-07 stsp err = got_error_from_errno("calloc");
2917 fae7e038 2022-05-07 stsp memcpy(*ids, (uint8_t *)imsg.data + sizeof(idlist),
2918 fae7e038 2022-05-07 stsp *nids * sizeof(**ids));
2920 fae7e038 2022-05-07 stsp case GOT_IMSG_OBJ_ID_LIST_DONE:
2921 fae7e038 2022-05-07 stsp *done = 1;
2924 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2928 fae7e038 2022-05-07 stsp imsg_free(&imsg);
2930 fae7e038 2022-05-07 stsp return err;
2933 fae7e038 2022-05-07 stsp const struct got_error *
2934 fae7e038 2022-05-07 stsp got_privsep_send_delta_reuse_req(struct imsgbuf *ibuf)
2936 fae7e038 2022-05-07 stsp if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_REQUEST, 0, 0, -1, NULL, 0)
2938 fae7e038 2022-05-07 stsp return got_error_from_errno("imsg_compose DELTA_REUSE_REQUEST");
2940 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
2943 fae7e038 2022-05-07 stsp const struct got_error *
2944 fae7e038 2022-05-07 stsp got_privsep_send_reused_deltas(struct imsgbuf *ibuf,
2945 fae7e038 2022-05-07 stsp struct got_imsg_reused_delta *deltas, size_t ndeltas)
2947 fae7e038 2022-05-07 stsp const struct got_error *err = NULL;
2948 fae7e038 2022-05-07 stsp struct ibuf *wbuf;
2949 fae7e038 2022-05-07 stsp struct got_imsg_reused_deltas ideltas;
2952 fae7e038 2022-05-07 stsp if (ndeltas > GOT_IMSG_REUSED_DELTAS_MAX_NDELTAS)
2953 fae7e038 2022-05-07 stsp return got_error(GOT_ERR_NO_SPACE);
2955 fae7e038 2022-05-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_REUSED_DELTAS, 0, 0,
2956 fae7e038 2022-05-07 stsp sizeof(ideltas) + ndeltas * sizeof(*deltas));
2957 fae7e038 2022-05-07 stsp if (wbuf == NULL) {
2958 fae7e038 2022-05-07 stsp err = got_error_from_errno("imsg_create REUSED_DELTAS");
2959 fae7e038 2022-05-07 stsp return err;
2962 fae7e038 2022-05-07 stsp ideltas.ndeltas = ndeltas;
2963 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &ideltas, sizeof(ideltas)) == -1)
2964 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add REUSED_DELTAS");
2966 fae7e038 2022-05-07 stsp for (i = 0; i < ndeltas; i++) {
2967 fae7e038 2022-05-07 stsp struct got_imsg_reused_delta *delta = &deltas[i];
2968 1453347d 2022-05-19 stsp if (imsg_add(wbuf, delta, sizeof(*delta)) == -1)
2969 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add REUSED_DELTAS");
2972 fae7e038 2022-05-07 stsp wbuf->fd = -1;
2973 fae7e038 2022-05-07 stsp imsg_close(ibuf, wbuf);
2975 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
2978 fae7e038 2022-05-07 stsp const struct got_error *
2979 fae7e038 2022-05-07 stsp got_privsep_send_reused_deltas_done(struct imsgbuf *ibuf)
2981 fae7e038 2022-05-07 stsp if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_DONE, 0, 0, -1, NULL, 0)
2983 fae7e038 2022-05-07 stsp return got_error_from_errno("imsg_compose DELTA_REUSE_DONE");
2985 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
2988 fae7e038 2022-05-07 stsp const struct got_error *
2989 fae7e038 2022-05-07 stsp got_privsep_recv_reused_deltas(int *done, struct got_imsg_reused_delta *deltas,
2990 fae7e038 2022-05-07 stsp size_t *ndeltas, struct imsgbuf *ibuf)
2992 fae7e038 2022-05-07 stsp const struct got_error *err = NULL;
2993 fae7e038 2022-05-07 stsp struct imsg imsg;
2994 fae7e038 2022-05-07 stsp struct got_imsg_reused_deltas *ideltas;
2995 fae7e038 2022-05-07 stsp size_t datalen;
2997 fae7e038 2022-05-07 stsp *done = 0;
2998 fae7e038 2022-05-07 stsp *ndeltas = 0;
3000 fae7e038 2022-05-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3002 fae7e038 2022-05-07 stsp return err;
3004 fae7e038 2022-05-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3005 fae7e038 2022-05-07 stsp switch (imsg.hdr.type) {
3006 fae7e038 2022-05-07 stsp case GOT_IMSG_REUSED_DELTAS:
3007 fae7e038 2022-05-07 stsp if (datalen < sizeof(*ideltas)) {
3008 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
3011 fae7e038 2022-05-07 stsp ideltas = imsg.data;
3012 fae7e038 2022-05-07 stsp if (ideltas->ndeltas > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS) {
3013 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
3016 fae7e038 2022-05-07 stsp *ndeltas = ideltas->ndeltas;
3017 fae7e038 2022-05-07 stsp memcpy(deltas, (uint8_t *)imsg.data + sizeof(ideltas),
3018 fae7e038 2022-05-07 stsp *ndeltas * sizeof(*deltas));
3020 fae7e038 2022-05-07 stsp case GOT_IMSG_DELTA_REUSE_DONE:
3021 fae7e038 2022-05-07 stsp *done = 1;
3024 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
3028 fae7e038 2022-05-07 stsp imsg_free(&imsg);
3030 67fd6849 2022-02-13 stsp return err;
3033 67fd6849 2022-02-13 stsp const struct got_error *
3034 63219cd2 2019-01-04 stsp got_privsep_unveil_exec_helpers(void)
3036 c39c25dd 2019-08-09 stsp const char *helpers[] = {
3037 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_PACK,
3038 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_OBJECT,
3039 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_COMMIT,
3040 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TREE,
3041 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_BLOB,
3042 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TAG,
3043 aba9c984 2019-09-08 stsp GOT_PATH_PROG_READ_GITCONFIG,
3044 257add31 2020-09-09 stsp GOT_PATH_PROG_READ_GOTCONFIG,
3045 e9ce266e 2022-03-07 op GOT_PATH_PROG_READ_PATCH,
3046 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_FETCH_PACK,
3047 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_INDEX_PACK,
3048 f8a36e22 2021-08-26 stsp GOT_PATH_PROG_SEND_PACK,
3052 c39c25dd 2019-08-09 stsp for (i = 0; i < nitems(helpers); i++) {
3053 c39c25dd 2019-08-09 stsp if (unveil(helpers[i], "x") == 0)
3055 c39c25dd 2019-08-09 stsp return got_error_from_errno2("unveil", helpers[i]);
3058 63219cd2 2019-01-04 stsp return NULL;
3062 aba9c984 2019-09-08 stsp got_privsep_exec_child(int imsg_fds[2], const char *path, const char *repo_path)
3064 08578a35 2021-01-22 stsp if (close(imsg_fds[0]) == -1) {
3065 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3069 aba9c984 2019-09-08 stsp if (dup2(imsg_fds[1], GOT_IMSG_FD_CHILD) == -1) {
3070 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3074 4a55b231 2021-12-09 stsp closefrom(GOT_IMSG_FD_CHILD + 1);
3076 aba9c984 2019-09-08 stsp if (execl(path, path, repo_path, (char *)NULL) == -1) {
3077 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s: %s\n", getprogname(), path,
3078 aba9c984 2019-09-08 stsp strerror(errno));