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 c98b0f0b 2022-06-14 op if (*size < 0 ||
359 c98b0f0b 2022-06-14 op *size + *hdrlen > GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
360 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
364 a8591711 2021-06-18 stsp *outbuf = malloc(*size + *hdrlen);
365 59d1e4a0 2021-03-10 stsp if (*outbuf == NULL) {
366 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("malloc");
369 a8591711 2021-06-18 stsp memcpy(*outbuf, imsg.data + sizeof(*iobj), *size + *hdrlen);
372 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
376 59d1e4a0 2021-03-10 stsp imsg_free(&imsg);
378 59d1e4a0 2021-03-10 stsp return err;
381 59d1e4a0 2021-03-10 stsp const struct got_error *
382 1785f84a 2018-12-23 stsp got_privsep_send_commit_req(struct imsgbuf *ibuf, int fd,
383 1785f84a 2018-12-23 stsp struct got_object_id *id, int pack_idx)
385 41496140 2019-02-21 stsp const struct got_error *err = NULL;
386 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
387 d5c81d44 2021-07-08 stsp void *data;
388 1785f84a 2018-12-23 stsp size_t len;
390 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* commit is packed */
391 1785f84a 2018-12-23 stsp iobj.idx = pack_idx;
392 1785f84a 2018-12-23 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
393 d5c81d44 2021-07-08 stsp data = &iobj;
394 1785f84a 2018-12-23 stsp len = sizeof(iobj);
397 d5c81d44 2021-07-08 stsp len = sizeof(*id);
400 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_REQUEST, 0, 0, fd, data, len)
402 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT_REQUEST");
404 41496140 2019-02-21 stsp return err;
407 13c729f7 2018-12-24 stsp return flush_imsg(ibuf);
410 13c729f7 2018-12-24 stsp const struct got_error *
411 13c729f7 2018-12-24 stsp got_privsep_send_tree_req(struct imsgbuf *ibuf, int fd,
412 13c729f7 2018-12-24 stsp struct got_object_id *id, int pack_idx)
414 7f358e3b 2019-11-23 stsp struct ibuf *wbuf;
415 d5c81d44 2021-07-08 stsp size_t len;
417 d5c81d44 2021-07-08 stsp if (pack_idx != -1)
418 d5c81d44 2021-07-08 stsp len = sizeof(struct got_imsg_packed_object);
420 d5c81d44 2021-07-08 stsp len = sizeof(*id);
422 7f358e3b 2019-11-23 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_REQUEST, 0, 0, len);
423 7f358e3b 2019-11-23 stsp if (wbuf == NULL)
424 7f358e3b 2019-11-23 stsp return got_error_from_errno("imsg_create TREE_REQUEST");
426 1453347d 2022-05-19 stsp if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1)
427 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_REQUEST");
429 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tree is packed */
430 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &pack_idx, sizeof(pack_idx)) == -1)
431 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_REQUEST");
434 7f358e3b 2019-11-23 stsp wbuf->fd = fd;
435 7f358e3b 2019-11-23 stsp imsg_close(ibuf, wbuf);
437 268f7291 2018-12-24 stsp return flush_imsg(ibuf);
440 268f7291 2018-12-24 stsp const struct got_error *
441 268f7291 2018-12-24 stsp got_privsep_send_tag_req(struct imsgbuf *ibuf, int fd,
442 268f7291 2018-12-24 stsp struct got_object_id *id, int pack_idx)
444 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
445 d5c81d44 2021-07-08 stsp void *data;
446 268f7291 2018-12-24 stsp size_t len;
448 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tag is packed */
449 268f7291 2018-12-24 stsp iobj.idx = pack_idx;
450 268f7291 2018-12-24 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
451 d5c81d44 2021-07-08 stsp data = &iobj;
452 268f7291 2018-12-24 stsp len = sizeof(iobj);
455 d5c81d44 2021-07-08 stsp len = sizeof(*id);
458 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_REQUEST, 0, 0, fd, data, len)
460 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose TAG_REQUEST");
462 7762fe12 2018-11-05 stsp return flush_imsg(ibuf);
465 7762fe12 2018-11-05 stsp const struct got_error *
466 ebc55e2d 2018-12-24 stsp got_privsep_send_blob_req(struct imsgbuf *ibuf, int infd,
467 ebc55e2d 2018-12-24 stsp struct got_object_id *id, int pack_idx)
469 41496140 2019-02-21 stsp const struct got_error *err = NULL;
470 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
471 d5c81d44 2021-07-08 stsp void *data;
472 ebc55e2d 2018-12-24 stsp size_t len;
474 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* blob is packed */
475 ebc55e2d 2018-12-24 stsp iobj.idx = pack_idx;
476 ebc55e2d 2018-12-24 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
477 d5c81d44 2021-07-08 stsp data = &iobj;
478 ebc55e2d 2018-12-24 stsp len = sizeof(iobj);
481 d5c81d44 2021-07-08 stsp len = sizeof(*id);
484 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_REQUEST, 0, 0, infd, data, len)
486 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_REQUEST");
487 41496140 2019-02-21 stsp close(infd);
488 41496140 2019-02-21 stsp return err;
491 55da3778 2018-09-10 stsp return flush_imsg(ibuf);
494 55da3778 2018-09-10 stsp const struct got_error *
495 55da3778 2018-09-10 stsp got_privsep_send_blob_outfd(struct imsgbuf *ibuf, int outfd)
497 41496140 2019-02-21 stsp const struct got_error *err = NULL;
499 ad242220 2018-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_OUTFD, 0, 0, outfd, NULL, 0)
501 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_OUTFD");
502 41496140 2019-02-21 stsp close(outfd);
503 41496140 2019-02-21 stsp return err;
506 3840f4c9 2018-09-12 stsp return flush_imsg(ibuf);
509 73ab1060 2020-03-18 stsp static const struct got_error *
510 73ab1060 2020-03-18 stsp send_fd(struct imsgbuf *ibuf, int imsg_code, int fd)
512 41496140 2019-02-21 stsp const struct got_error *err = NULL;
514 73ab1060 2020-03-18 stsp if (imsg_compose(ibuf, imsg_code, 0, 0, fd, NULL, 0) == -1) {
515 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TMPFD");
517 41496140 2019-02-21 stsp return err;
520 ad242220 2018-09-08 stsp return flush_imsg(ibuf);
523 ad242220 2018-09-08 stsp const struct got_error *
524 73ab1060 2020-03-18 stsp got_privsep_send_tmpfd(struct imsgbuf *ibuf, int fd)
526 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_TMPFD, fd);
529 73ab1060 2020-03-18 stsp const struct got_error *
530 876c234b 2018-09-10 stsp got_privsep_send_obj(struct imsgbuf *ibuf, struct got_object *obj)
532 2178c42e 2018-04-22 stsp struct got_imsg_object iobj;
534 c59b3346 2018-09-11 stsp memcpy(iobj.id, obj->id.sha1, sizeof(iobj.id));
535 2178c42e 2018-04-22 stsp iobj.type = obj->type;
536 2178c42e 2018-04-22 stsp iobj.flags = obj->flags;
537 2178c42e 2018-04-22 stsp iobj.hdrlen = obj->hdrlen;
538 2178c42e 2018-04-22 stsp iobj.size = obj->size;
539 c59b3346 2018-09-11 stsp if (iobj.flags & GOT_OBJ_FLAG_PACKED) {
540 876c234b 2018-09-10 stsp iobj.pack_offset = obj->pack_offset;
541 c59b3346 2018-09-11 stsp iobj.pack_idx = obj->pack_idx;
544 2178c42e 2018-04-22 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT, 0, 0, -1, &iobj, sizeof(iobj))
546 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT");
548 c59b3346 2018-09-11 stsp return flush_imsg(ibuf);
551 cfd633c2 2018-09-10 stsp const struct got_error *
552 33501562 2020-03-18 stsp got_privsep_send_fetch_req(struct imsgbuf *ibuf, int fd,
553 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs, int fetch_all_branches,
554 abc59930 2021-09-05 naddy struct got_pathlist_head *wanted_branches,
555 abc59930 2021-09-05 naddy struct got_pathlist_head *wanted_refs, int list_refs_only, int verbosity)
557 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
558 33501562 2020-03-18 stsp struct ibuf *wbuf;
559 4ba14133 2020-03-20 stsp size_t len;
560 33501562 2020-03-18 stsp struct got_pathlist_entry *pe;
561 4ba14133 2020-03-20 stsp struct got_imsg_fetch_request fetchreq;
563 4ba14133 2020-03-20 stsp memset(&fetchreq, 0, sizeof(fetchreq));
564 4ba14133 2020-03-20 stsp fetchreq.fetch_all_branches = fetch_all_branches;
565 41b0de12 2020-03-21 stsp fetchreq.list_refs_only = list_refs_only;
566 2690194b 2020-03-21 stsp fetchreq.verbosity = verbosity;
567 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, have_refs, entry)
568 4ba14133 2020-03-20 stsp fetchreq.n_have_refs++;
569 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry)
570 4ba14133 2020-03-20 stsp fetchreq.n_wanted_branches++;
571 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry)
572 0e4002ca 2020-03-21 stsp fetchreq.n_wanted_refs++;
573 659e7fbd 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_request);
574 33501562 2020-03-18 stsp if (len >= MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
576 33501562 2020-03-18 stsp return got_error(GOT_ERR_NO_SPACE);
579 4ba14133 2020-03-20 stsp if (imsg_compose(ibuf, GOT_IMSG_FETCH_REQUEST, 0, 0, fd,
580 4ba14133 2020-03-20 stsp &fetchreq, sizeof(fetchreq)) == -1)
581 4ba14133 2020-03-20 stsp return got_error_from_errno(
582 4ba14133 2020-03-20 stsp "imsg_compose FETCH_SERVER_PROGRESS");
584 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
587 659e7fbd 2020-03-20 stsp return err;
591 33501562 2020-03-18 stsp TAILQ_FOREACH(pe, have_refs, entry) {
592 33501562 2020-03-18 stsp const char *name = pe->path;
593 33501562 2020-03-18 stsp size_t name_len = pe->path_len;
594 33501562 2020-03-18 stsp struct got_object_id *id = pe->data;
596 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_have_ref) + name_len;
597 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_HAVE_REF, 0, 0, len);
598 4ba14133 2020-03-20 stsp if (wbuf == NULL)
599 4ba14133 2020-03-20 stsp return got_error_from_errno("imsg_create FETCH_HAVE_REF");
601 33501562 2020-03-18 stsp /* Keep in sync with struct got_imsg_fetch_have_ref! */
602 1453347d 2022-05-19 stsp if (imsg_add(wbuf, id->sha1, sizeof(id->sha1)) == -1)
603 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add FETCH_HAVE_REF");
604 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
605 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add FETCH_HAVE_REF");
606 1453347d 2022-05-19 stsp if (imsg_add(wbuf, name, name_len) == -1)
607 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add FETCH_HAVE_REF");
609 4ba14133 2020-03-20 stsp wbuf->fd = -1;
610 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
611 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
613 4ba14133 2020-03-20 stsp return err;
616 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry) {
617 4ba14133 2020-03-20 stsp const char *name = pe->path;
618 4ba14133 2020-03-20 stsp size_t name_len = pe->path_len;
620 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_wanted_branch) + name_len;
621 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_BRANCH, 0, 0,
623 4ba14133 2020-03-20 stsp if (wbuf == NULL)
624 4ba14133 2020-03-20 stsp return got_error_from_errno(
625 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_BRANCH");
627 4ba14133 2020-03-20 stsp /* Keep in sync with struct got_imsg_fetch_wanted_branch! */
628 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
629 1453347d 2022-05-19 stsp return got_error_from_errno(
630 4ba14133 2020-03-20 stsp "imsg_add FETCH_WANTED_BRANCH");
631 1453347d 2022-05-19 stsp if (imsg_add(wbuf, name, name_len) == -1)
632 1453347d 2022-05-19 stsp return got_error_from_errno(
633 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_BRANCH");
635 4ba14133 2020-03-20 stsp wbuf->fd = -1;
636 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
637 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
639 4ba14133 2020-03-20 stsp return err;
642 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry) {
643 0e4002ca 2020-03-21 stsp const char *name = pe->path;
644 0e4002ca 2020-03-21 stsp size_t name_len = pe->path_len;
646 0e4002ca 2020-03-21 stsp len = sizeof(struct got_imsg_fetch_wanted_ref) + name_len;
647 0e4002ca 2020-03-21 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_REF, 0, 0,
649 0e4002ca 2020-03-21 stsp if (wbuf == NULL)
650 0e4002ca 2020-03-21 stsp return got_error_from_errno(
651 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_REF");
653 0e4002ca 2020-03-21 stsp /* Keep in sync with struct got_imsg_fetch_wanted_ref! */
654 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
655 1453347d 2022-05-19 stsp return got_error_from_errno(
656 0e4002ca 2020-03-21 stsp "imsg_add FETCH_WANTED_REF");
657 1453347d 2022-05-19 stsp if (imsg_add(wbuf, name, name_len) == -1)
658 1453347d 2022-05-19 stsp return got_error_from_errno(
659 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_REF");
661 0e4002ca 2020-03-21 stsp wbuf->fd = -1;
662 0e4002ca 2020-03-21 stsp imsg_close(ibuf, wbuf);
663 0e4002ca 2020-03-21 stsp err = flush_imsg(ibuf);
665 0e4002ca 2020-03-21 stsp return err;
669 4ba14133 2020-03-20 stsp return NULL;
673 93658fb9 2020-03-18 stsp const struct got_error *
674 f826addf 2020-03-18 stsp got_privsep_send_fetch_outfd(struct imsgbuf *ibuf, int fd)
676 f826addf 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_FETCH_OUTFD, fd);
679 531c3985 2020-03-18 stsp const struct got_error *
680 8f2d01a6 2020-03-18 stsp got_privsep_recv_fetch_progress(int *done, struct got_object_id **id,
681 531c3985 2020-03-18 stsp char **refname, struct got_pathlist_head *symrefs, char **server_progress,
682 1d72a2a0 2020-03-24 stsp off_t *packfile_size, uint8_t *pack_sha1, struct imsgbuf *ibuf)
684 b9f99abf 2020-03-18 stsp const struct got_error *err = NULL;
685 b9f99abf 2020-03-18 stsp struct imsg imsg;
686 b9f99abf 2020-03-18 stsp size_t datalen;
687 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symrefs *isymrefs = NULL;
688 abe0f35f 2020-03-18 stsp size_t n, remain;
693 8f2d01a6 2020-03-18 stsp *id = NULL;
694 b9f99abf 2020-03-18 stsp *refname = NULL;
695 531c3985 2020-03-18 stsp *server_progress = NULL;
696 5a489642 2020-03-19 stsp *packfile_size = 0;
697 1d72a2a0 2020-03-24 stsp memset(pack_sha1, 0, SHA1_DIGEST_LENGTH);
699 531c3985 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
701 b9f99abf 2020-03-18 stsp return err;
703 b9f99abf 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
704 b9f99abf 2020-03-18 stsp switch (imsg.hdr.type) {
705 b9f99abf 2020-03-18 stsp case GOT_IMSG_ERROR:
706 b9f99abf 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
708 abe0f35f 2020-03-18 stsp case GOT_IMSG_FETCH_SYMREFS:
709 abe0f35f 2020-03-18 stsp if (datalen < sizeof(*isymrefs)) {
710 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
713 abe0f35f 2020-03-18 stsp if (isymrefs != NULL) {
714 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
717 abe0f35f 2020-03-18 stsp isymrefs = (struct got_imsg_fetch_symrefs *)imsg.data;
718 abe0f35f 2020-03-18 stsp off = sizeof(*isymrefs);
719 abe0f35f 2020-03-18 stsp remain = datalen - off;
720 abe0f35f 2020-03-18 stsp for (n = 0; n < isymrefs->nsymrefs; n++) {
721 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symref *s;
722 abe0f35f 2020-03-18 stsp char *name, *target;
723 abe0f35f 2020-03-18 stsp if (remain < sizeof(struct got_imsg_fetch_symref)) {
724 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
727 abe0f35f 2020-03-18 stsp s = (struct got_imsg_fetch_symref *)(imsg.data + off);
728 abe0f35f 2020-03-18 stsp off += sizeof(*s);
729 abe0f35f 2020-03-18 stsp remain -= sizeof(*s);
730 abe0f35f 2020-03-18 stsp if (remain < s->name_len) {
731 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
734 abe0f35f 2020-03-18 stsp name = strndup(imsg.data + off, s->name_len);
735 abe0f35f 2020-03-18 stsp if (name == NULL) {
736 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
739 abe0f35f 2020-03-18 stsp off += s->name_len;
740 abe0f35f 2020-03-18 stsp remain -= s->name_len;
741 abe0f35f 2020-03-18 stsp if (remain < s->target_len) {
742 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
743 abe0f35f 2020-03-18 stsp free(name);
746 abe0f35f 2020-03-18 stsp target = strndup(imsg.data + off, s->target_len);
747 abe0f35f 2020-03-18 stsp if (target == NULL) {
748 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
749 abe0f35f 2020-03-18 stsp free(name);
752 abe0f35f 2020-03-18 stsp off += s->target_len;
753 abe0f35f 2020-03-18 stsp remain -= s->target_len;
754 abe0f35f 2020-03-18 stsp err = got_pathlist_append(symrefs, name, target);
756 abe0f35f 2020-03-18 stsp free(name);
757 abe0f35f 2020-03-18 stsp free(target);
762 ea7396b9 2020-03-18 stsp case GOT_IMSG_FETCH_REF:
763 531c3985 2020-03-18 stsp if (datalen <= SHA1_DIGEST_LENGTH) {
764 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
767 8f2d01a6 2020-03-18 stsp *id = malloc(sizeof(**id));
768 8f2d01a6 2020-03-18 stsp if (*id == NULL) {
769 b9f99abf 2020-03-18 stsp err = got_error_from_errno("malloc");
772 8f2d01a6 2020-03-18 stsp memcpy((*id)->sha1, imsg.data, SHA1_DIGEST_LENGTH);
773 b9f99abf 2020-03-18 stsp *refname = strndup(imsg.data + SHA1_DIGEST_LENGTH,
774 b9f99abf 2020-03-18 stsp datalen - SHA1_DIGEST_LENGTH);
775 b9f99abf 2020-03-18 stsp if (*refname == NULL) {
776 b9f99abf 2020-03-18 stsp err = got_error_from_errno("strndup");
780 531c3985 2020-03-18 stsp case GOT_IMSG_FETCH_SERVER_PROGRESS:
781 531c3985 2020-03-18 stsp if (datalen == 0) {
782 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
785 531c3985 2020-03-18 stsp *server_progress = strndup(imsg.data, datalen);
786 531c3985 2020-03-18 stsp if (*server_progress == NULL) {
787 531c3985 2020-03-18 stsp err = got_error_from_errno("strndup");
790 531c3985 2020-03-18 stsp for (i = 0; i < datalen; i++) {
791 531c3985 2020-03-18 stsp if (!isprint((unsigned char)(*server_progress)[i]) &&
792 531c3985 2020-03-18 stsp !isspace((unsigned char)(*server_progress)[i])) {
793 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
794 531c3985 2020-03-18 stsp free(*server_progress);
795 531c3985 2020-03-18 stsp *server_progress = NULL;
800 d2cdc636 2020-03-18 stsp case GOT_IMSG_FETCH_DOWNLOAD_PROGRESS:
801 d2cdc636 2020-03-18 stsp if (datalen < sizeof(*packfile_size)) {
802 d2cdc636 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
805 d2cdc636 2020-03-18 stsp memcpy(packfile_size, imsg.data, sizeof(*packfile_size));
807 8f2d01a6 2020-03-18 stsp case GOT_IMSG_FETCH_DONE:
808 8f2d01a6 2020-03-18 stsp if (datalen != SHA1_DIGEST_LENGTH) {
809 8f2d01a6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
812 1d72a2a0 2020-03-24 stsp memcpy(pack_sha1, imsg.data, SHA1_DIGEST_LENGTH);
816 b887aab6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
822 8f2d01a6 2020-03-18 stsp *id = NULL;
823 b887aab6 2020-03-18 stsp free(*refname);
824 b887aab6 2020-03-18 stsp *refname = NULL;
826 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
827 f8a36e22 2021-08-26 stsp return err;
830 f8a36e22 2021-08-26 stsp static const struct got_error *
831 f8a36e22 2021-08-26 stsp send_send_ref(const char *name, size_t name_len, struct got_object_id *id,
832 f8a36e22 2021-08-26 stsp int delete, struct imsgbuf *ibuf)
834 f8a36e22 2021-08-26 stsp size_t len;
835 f8a36e22 2021-08-26 stsp struct ibuf *wbuf;
837 f8a36e22 2021-08-26 stsp len = sizeof(struct got_imsg_send_ref) + name_len;
838 f8a36e22 2021-08-26 stsp wbuf = imsg_create(ibuf, GOT_IMSG_SEND_REF, 0, 0, len);
839 f8a36e22 2021-08-26 stsp if (wbuf == NULL)
840 f8a36e22 2021-08-26 stsp return got_error_from_errno("imsg_create SEND_REF");
842 f8a36e22 2021-08-26 stsp /* Keep in sync with struct got_imsg_send_ref! */
843 1453347d 2022-05-19 stsp if (imsg_add(wbuf, id->sha1, sizeof(id->sha1)) == -1)
844 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add SEND_REF");
845 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &delete, sizeof(delete)) == -1)
846 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add SEND_REF");
847 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
848 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add SEND_REF");
849 1453347d 2022-05-19 stsp if (imsg_add(wbuf, name, name_len) == -1)
850 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add SEND_REF");
852 f8a36e22 2021-08-26 stsp wbuf->fd = -1;
853 f8a36e22 2021-08-26 stsp imsg_close(ibuf, wbuf);
854 f8a36e22 2021-08-26 stsp return flush_imsg(ibuf);
857 f8a36e22 2021-08-26 stsp const struct got_error *
858 f8a36e22 2021-08-26 stsp got_privsep_send_send_req(struct imsgbuf *ibuf, int fd,
859 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs,
860 abc59930 2021-09-05 naddy struct got_pathlist_head *delete_refs,
861 abc59930 2021-09-05 naddy int verbosity)
863 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
864 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *pe;
865 f8a36e22 2021-08-26 stsp struct got_imsg_send_request sendreq;
866 f8a36e22 2021-08-26 stsp struct got_object_id zero_id;
868 f8a36e22 2021-08-26 stsp memset(&zero_id, 0, sizeof(zero_id));
869 f8a36e22 2021-08-26 stsp memset(&sendreq, 0, sizeof(sendreq));
870 f8a36e22 2021-08-26 stsp sendreq.verbosity = verbosity;
871 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry)
872 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
873 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry)
874 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
875 f8a36e22 2021-08-26 stsp if (imsg_compose(ibuf, GOT_IMSG_SEND_REQUEST, 0, 0, fd,
876 f8a36e22 2021-08-26 stsp &sendreq, sizeof(sendreq)) == -1) {
877 f8a36e22 2021-08-26 stsp err = got_error_from_errno(
878 f8a36e22 2021-08-26 stsp "imsg_compose FETCH_SERVER_PROGRESS");
882 f8a36e22 2021-08-26 stsp err = flush_imsg(ibuf);
887 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry) {
888 f8a36e22 2021-08-26 stsp const char *name = pe->path;
889 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
890 f8a36e22 2021-08-26 stsp struct got_object_id *id = pe->data;
891 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, id, 0, ibuf);
896 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry) {
897 f8a36e22 2021-08-26 stsp const char *name = pe->path;
898 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
899 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, &zero_id, 1, ibuf);
904 f8a36e22 2021-08-26 stsp if (fd != -1 && close(fd) == -1 && err == NULL)
905 f8a36e22 2021-08-26 stsp err = got_error_from_errno("close");
906 f8a36e22 2021-08-26 stsp return err;
910 f8a36e22 2021-08-26 stsp const struct got_error *
911 f8a36e22 2021-08-26 stsp got_privsep_recv_send_remote_refs(struct got_pathlist_head *remote_refs,
912 f8a36e22 2021-08-26 stsp struct imsgbuf *ibuf)
914 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
915 f8a36e22 2021-08-26 stsp struct imsg imsg;
916 f8a36e22 2021-08-26 stsp size_t datalen;
917 f8a36e22 2021-08-26 stsp int done = 0;
918 f8a36e22 2021-08-26 stsp struct got_imsg_send_remote_ref iremote_ref;
919 f8a36e22 2021-08-26 stsp struct got_object_id *id = NULL;
920 f8a36e22 2021-08-26 stsp char *refname = NULL;
921 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *new;
923 f8a36e22 2021-08-26 stsp while (!done) {
924 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
926 f8a36e22 2021-08-26 stsp return err;
927 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
928 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
929 f8a36e22 2021-08-26 stsp case GOT_IMSG_ERROR:
930 f8a36e22 2021-08-26 stsp err = recv_imsg_error(&imsg, datalen);
932 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REMOTE_REF:
933 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iremote_ref)) {
934 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
937 f8a36e22 2021-08-26 stsp memcpy(&iremote_ref, imsg.data, sizeof(iremote_ref));
938 f8a36e22 2021-08-26 stsp if (datalen != sizeof(iremote_ref) +
939 f8a36e22 2021-08-26 stsp iremote_ref.name_len) {
940 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
943 f8a36e22 2021-08-26 stsp id = malloc(sizeof(*id));
944 f8a36e22 2021-08-26 stsp if (id == NULL) {
945 f8a36e22 2021-08-26 stsp err = got_error_from_errno("malloc");
948 f8a36e22 2021-08-26 stsp memcpy(id->sha1, iremote_ref.id, SHA1_DIGEST_LENGTH);
949 f8a36e22 2021-08-26 stsp refname = strndup(imsg.data + sizeof(iremote_ref),
950 f8a36e22 2021-08-26 stsp datalen - sizeof(iremote_ref));
951 f8a36e22 2021-08-26 stsp if (refname == NULL) {
952 f8a36e22 2021-08-26 stsp err = got_error_from_errno("strndup");
955 f8a36e22 2021-08-26 stsp err = got_pathlist_insert(&new, remote_refs,
956 f8a36e22 2021-08-26 stsp refname, id);
959 f8a36e22 2021-08-26 stsp if (new == NULL) { /* duplicate which wasn't inserted */
961 f8a36e22 2021-08-26 stsp free(refname);
964 f8a36e22 2021-08-26 stsp refname = NULL;
966 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_PACK_REQUEST:
967 f8a36e22 2021-08-26 stsp if (datalen != 0) {
968 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
971 f8a36e22 2021-08-26 stsp /* got-send-pack is now waiting for a pack file. */
975 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
981 f8a36e22 2021-08-26 stsp free(refname);
982 b9f99abf 2020-03-18 stsp imsg_free(&imsg);
983 b9f99abf 2020-03-18 stsp return err;
986 93658fb9 2020-03-18 stsp const struct got_error *
987 f8a36e22 2021-08-26 stsp got_privsep_send_packfd(struct imsgbuf *ibuf, int fd)
989 f8a36e22 2021-08-26 stsp return send_fd(ibuf, GOT_IMSG_SEND_PACKFD, fd);
992 f8a36e22 2021-08-26 stsp const struct got_error *
993 f8a36e22 2021-08-26 stsp got_privsep_recv_send_progress(int *done, off_t *bytes_sent,
994 f8a36e22 2021-08-26 stsp int *success, char **refname, struct imsgbuf *ibuf)
996 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
997 f8a36e22 2021-08-26 stsp struct imsg imsg;
998 f8a36e22 2021-08-26 stsp size_t datalen;
999 f8a36e22 2021-08-26 stsp struct got_imsg_send_ref_status iref_status;
1001 f8a36e22 2021-08-26 stsp /* Do not reset the current value of 'bytes_sent', it accumulates. */
1002 f8a36e22 2021-08-26 stsp *done = 0;
1003 f8a36e22 2021-08-26 stsp *success = 0;
1004 f8a36e22 2021-08-26 stsp *refname = NULL;
1006 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1008 f8a36e22 2021-08-26 stsp return err;
1010 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1011 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
1012 f8a36e22 2021-08-26 stsp case GOT_IMSG_ERROR:
1013 f8a36e22 2021-08-26 stsp err = recv_imsg_error(&imsg, datalen);
1015 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_UPLOAD_PROGRESS:
1016 f8a36e22 2021-08-26 stsp if (datalen < sizeof(*bytes_sent)) {
1017 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1020 f8a36e22 2021-08-26 stsp memcpy(bytes_sent, imsg.data, sizeof(*bytes_sent));
1022 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REF_STATUS:
1023 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iref_status)) {
1024 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1027 f8a36e22 2021-08-26 stsp memcpy(&iref_status, imsg.data, sizeof(iref_status));
1028 f8a36e22 2021-08-26 stsp if (datalen != sizeof(iref_status) + iref_status.name_len) {
1029 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1032 f8a36e22 2021-08-26 stsp *success = iref_status.success;
1033 f8a36e22 2021-08-26 stsp *refname = strndup(imsg.data + sizeof(iref_status),
1034 f8a36e22 2021-08-26 stsp iref_status.name_len);
1036 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_DONE:
1037 f8a36e22 2021-08-26 stsp if (datalen != 0) {
1038 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1041 f8a36e22 2021-08-26 stsp *done = 1;
1044 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1048 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
1049 f8a36e22 2021-08-26 stsp return err;
1052 f8a36e22 2021-08-26 stsp const struct got_error *
1053 fd251256 2020-03-24 stsp got_privsep_send_index_pack_req(struct imsgbuf *ibuf, uint8_t *pack_sha1,
1056 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1058 668a20f6 2020-03-18 stsp /* Keep in sync with struct got_imsg_index_pack_request */
1059 93658fb9 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_IDXPACK_REQUEST, 0, 0, fd,
1060 fd251256 2020-03-24 stsp pack_sha1, SHA1_DIGEST_LENGTH) == -1) {
1061 93658fb9 2020-03-18 stsp err = got_error_from_errno("imsg_compose INDEX_REQUEST");
1062 93658fb9 2020-03-18 stsp close(fd);
1063 93658fb9 2020-03-18 stsp return err;
1065 baa9fea0 2020-03-18 stsp return flush_imsg(ibuf);
1068 baa9fea0 2020-03-18 stsp const struct got_error *
1069 73ab1060 2020-03-18 stsp got_privsep_send_index_pack_outfd(struct imsgbuf *ibuf, int fd)
1071 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_IDXPACK_OUTFD, fd);
1074 73ab1060 2020-03-18 stsp const struct got_error *
1075 668a20f6 2020-03-18 stsp got_privsep_recv_index_progress(int *done, int *nobj_total,
1076 668a20f6 2020-03-18 stsp int *nobj_indexed, int *nobj_loose, int *nobj_resolved,
1077 668a20f6 2020-03-18 stsp struct imsgbuf *ibuf)
1079 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1080 93658fb9 2020-03-18 stsp struct imsg imsg;
1081 baa9fea0 2020-03-18 stsp struct got_imsg_index_pack_progress *iprogress;
1082 baa9fea0 2020-03-18 stsp size_t datalen;
1084 baa9fea0 2020-03-18 stsp *done = 0;
1085 668a20f6 2020-03-18 stsp *nobj_total = 0;
1086 668a20f6 2020-03-18 stsp *nobj_indexed = 0;
1087 668a20f6 2020-03-18 stsp *nobj_resolved = 0;
1089 93658fb9 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1091 93658fb9 2020-03-18 stsp return err;
1093 baa9fea0 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1094 baa9fea0 2020-03-18 stsp switch (imsg.hdr.type) {
1095 baa9fea0 2020-03-18 stsp case GOT_IMSG_ERROR:
1096 baa9fea0 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
1098 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_PROGRESS:
1099 baa9fea0 2020-03-18 stsp if (datalen < sizeof(*iprogress)) {
1100 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1103 baa9fea0 2020-03-18 stsp iprogress = (struct got_imsg_index_pack_progress *)imsg.data;
1104 c98b0f0b 2022-06-14 op if (iprogress->nobj_total < 0 || iprogress->nobj_indexed < 0 ||
1105 c98b0f0b 2022-06-14 op iprogress->nobj_loose < 0 || iprogress->nobj_resolved < 0) {
1106 c98b0f0b 2022-06-14 op err = got_error(GOT_ERR_RANGE);
1109 668a20f6 2020-03-18 stsp *nobj_total = iprogress->nobj_total;
1110 668a20f6 2020-03-18 stsp *nobj_indexed = iprogress->nobj_indexed;
1111 668a20f6 2020-03-18 stsp *nobj_loose = iprogress->nobj_loose;
1112 668a20f6 2020-03-18 stsp *nobj_resolved = iprogress->nobj_resolved;
1114 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_DONE:
1115 baa9fea0 2020-03-18 stsp if (datalen != 0) {
1116 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1119 baa9fea0 2020-03-18 stsp *done = 1;
1122 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1126 93658fb9 2020-03-18 stsp imsg_free(&imsg);
1127 baa9fea0 2020-03-18 stsp return err;
1130 93658fb9 2020-03-18 stsp const struct got_error *
1131 cfd633c2 2018-09-10 stsp got_privsep_get_imsg_obj(struct got_object **obj, struct imsg *imsg,
1132 cfd633c2 2018-09-10 stsp struct imsgbuf *ibuf)
1134 291624d8 2018-11-07 stsp struct got_imsg_object *iobj;
1135 cfd633c2 2018-09-10 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1137 291624d8 2018-11-07 stsp if (datalen != sizeof(*iobj))
1138 cfd633c2 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1139 291624d8 2018-11-07 stsp iobj = imsg->data;
1141 c98b0f0b 2022-06-14 op if (iobj->pack_offset < 0)
1142 c98b0f0b 2022-06-14 op return got_error(GOT_ERR_PACK_OFFSET);
1144 cfd633c2 2018-09-10 stsp *obj = calloc(1, sizeof(**obj));
1145 cfd633c2 2018-09-10 stsp if (*obj == NULL)
1146 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
1148 291624d8 2018-11-07 stsp memcpy((*obj)->id.sha1, iobj->id, SHA1_DIGEST_LENGTH);
1149 291624d8 2018-11-07 stsp (*obj)->type = iobj->type;
1150 291624d8 2018-11-07 stsp (*obj)->flags = iobj->flags;
1151 291624d8 2018-11-07 stsp (*obj)->hdrlen = iobj->hdrlen;
1152 291624d8 2018-11-07 stsp (*obj)->size = iobj->size;
1153 c59b3346 2018-09-11 stsp /* path_packfile is handled by caller */
1154 291624d8 2018-11-07 stsp if (iobj->flags & GOT_OBJ_FLAG_PACKED) {
1155 291624d8 2018-11-07 stsp (*obj)->pack_offset = iobj->pack_offset;
1156 291624d8 2018-11-07 stsp (*obj)->pack_idx = iobj->pack_idx;
1158 d1b988e3 2022-01-26 stsp STAILQ_INIT(&(*obj)->deltas.entries);
1159 9296b03b 2022-01-26 stsp return NULL;
1162 2178c42e 2018-04-22 stsp const struct got_error *
1163 2178c42e 2018-04-22 stsp got_privsep_recv_obj(struct got_object **obj, struct imsgbuf *ibuf)
1165 2178c42e 2018-04-22 stsp const struct got_error *err = NULL;
1166 2178c42e 2018-04-22 stsp struct imsg imsg;
1167 c4eae628 2018-04-23 stsp const size_t min_datalen =
1168 c4eae628 2018-04-23 stsp MIN(sizeof(struct got_imsg_error), sizeof(struct got_imsg_object));
1170 2178c42e 2018-04-22 stsp *obj = NULL;
1172 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1174 2178c42e 2018-04-22 stsp return err;
1176 2178c42e 2018-04-22 stsp switch (imsg.hdr.type) {
1177 2178c42e 2018-04-22 stsp case GOT_IMSG_OBJECT:
1178 cfd633c2 2018-09-10 stsp err = got_privsep_get_imsg_obj(obj, &imsg, ibuf);
1181 bff6ca00 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1185 bff6ca00 2018-04-23 stsp imsg_free(&imsg);
1187 bff6ca00 2018-04-23 stsp return err;
1190 c75f7264 2018-09-11 stsp static const struct got_error *
1191 c75f7264 2018-09-11 stsp send_commit_logmsg(struct imsgbuf *ibuf, struct got_commit_object *commit,
1192 c75f7264 2018-09-11 stsp size_t logmsg_len)
1194 fa4ffeb3 2018-11-04 stsp const struct got_error *err = NULL;
1195 c75f7264 2018-09-11 stsp size_t offset, remain;
1197 c75f7264 2018-09-11 stsp offset = 0;
1198 c75f7264 2018-09-11 stsp remain = logmsg_len;
1199 c75f7264 2018-09-11 stsp while (remain > 0) {
1200 c75f7264 2018-09-11 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1202 c75f7264 2018-09-11 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_LOGMSG, 0, 0, -1,
1203 fa4ffeb3 2018-11-04 stsp commit->logmsg + offset, n) == -1) {
1204 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose "
1205 230a42bd 2019-05-11 jcs "COMMIT_LOGMSG");
1209 fa4ffeb3 2018-11-04 stsp err = flush_imsg(ibuf);
1213 c75f7264 2018-09-11 stsp offset += n;
1214 c75f7264 2018-09-11 stsp remain -= n;
1217 fa4ffeb3 2018-11-04 stsp return err;
1220 bff6ca00 2018-04-23 stsp const struct got_error *
1221 068fd2bf 2018-04-24 stsp got_privsep_send_commit(struct imsgbuf *ibuf, struct got_commit_object *commit)
1223 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1224 b9c33926 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1225 bff6ca00 2018-04-23 stsp uint8_t *buf;
1226 bff6ca00 2018-04-23 stsp size_t len, total;
1227 79f35eb3 2018-06-11 stsp struct got_object_qid *qid;
1228 b9c33926 2018-11-07 stsp size_t author_len = strlen(commit->author);
1229 b9c33926 2018-11-07 stsp size_t committer_len = strlen(commit->committer);
1230 c75f7264 2018-09-11 stsp size_t logmsg_len = strlen(commit->logmsg);
1232 b9c33926 2018-11-07 stsp total = sizeof(*icommit) + author_len + committer_len +
1233 b9c33926 2018-11-07 stsp commit->nparents * SHA1_DIGEST_LENGTH;
1235 bff6ca00 2018-04-23 stsp buf = malloc(total);
1236 bff6ca00 2018-04-23 stsp if (buf == NULL)
1237 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1239 b9c33926 2018-11-07 stsp icommit = (struct got_imsg_commit_object *)buf;
1240 a7403916 2018-12-24 stsp memcpy(icommit->tree_id, commit->tree_id->sha1,
1241 a7403916 2018-12-24 stsp sizeof(icommit->tree_id));
1242 b9c33926 2018-11-07 stsp icommit->author_len = author_len;
1243 b9c33926 2018-11-07 stsp icommit->author_time = commit->author_time;
1244 b9c33926 2018-11-07 stsp icommit->author_gmtoff = commit->author_gmtoff;
1245 b9c33926 2018-11-07 stsp icommit->committer_len = committer_len;
1246 b9c33926 2018-11-07 stsp icommit->committer_time = commit->committer_time;
1247 b9c33926 2018-11-07 stsp icommit->committer_gmtoff = commit->committer_gmtoff;
1248 b9c33926 2018-11-07 stsp icommit->logmsg_len = logmsg_len;
1249 b9c33926 2018-11-07 stsp icommit->nparents = commit->nparents;
1251 b9c33926 2018-11-07 stsp len = sizeof(*icommit);
1252 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->author, author_len);
1253 b9c33926 2018-11-07 stsp len += author_len;
1254 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->committer, committer_len);
1255 b9c33926 2018-11-07 stsp len += committer_len;
1256 dbdddfee 2021-06-23 naddy STAILQ_FOREACH(qid, &commit->parent_ids, entry) {
1257 d7b5a0e8 2022-04-20 stsp memcpy(buf + len, &qid->id, SHA1_DIGEST_LENGTH);
1258 86acc566 2018-04-23 stsp len += SHA1_DIGEST_LENGTH;
1261 bff6ca00 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT, 0, 0, -1, buf, len) == -1) {
1262 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT");
1263 bff6ca00 2018-04-23 stsp goto done;
1266 904df868 2018-11-04 stsp if (logmsg_len == 0 ||
1267 904df868 2018-11-04 stsp logmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1268 904df868 2018-11-04 stsp err = flush_imsg(ibuf);
1270 904df868 2018-11-04 stsp goto done;
1272 c75f7264 2018-09-11 stsp err = send_commit_logmsg(ibuf, commit, logmsg_len);
1274 bff6ca00 2018-04-23 stsp free(buf);
1275 bff6ca00 2018-04-23 stsp return err;
1278 ca6e02ac 2020-01-07 stsp static const struct got_error *
1279 ca6e02ac 2020-01-07 stsp get_commit_from_imsg(struct got_commit_object **commit,
1280 ca6e02ac 2020-01-07 stsp struct imsg *imsg, size_t datalen, struct imsgbuf *ibuf)
1282 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1283 291624d8 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1284 ca6e02ac 2020-01-07 stsp size_t len = 0;
1287 ca6e02ac 2020-01-07 stsp if (datalen < sizeof(*icommit))
1288 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1290 ca6e02ac 2020-01-07 stsp icommit = imsg->data;
1291 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommit) + icommit->author_len +
1292 ca6e02ac 2020-01-07 stsp icommit->committer_len +
1293 ca6e02ac 2020-01-07 stsp icommit->nparents * SHA1_DIGEST_LENGTH)
1294 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1296 ca6e02ac 2020-01-07 stsp if (icommit->nparents < 0)
1297 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1299 ca6e02ac 2020-01-07 stsp len += sizeof(*icommit);
1301 ca6e02ac 2020-01-07 stsp *commit = got_object_commit_alloc_partial();
1302 ca6e02ac 2020-01-07 stsp if (*commit == NULL)
1303 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
1304 ca6e02ac 2020-01-07 stsp "got_object_commit_alloc_partial");
1306 ca6e02ac 2020-01-07 stsp memcpy((*commit)->tree_id->sha1, icommit->tree_id,
1307 ca6e02ac 2020-01-07 stsp SHA1_DIGEST_LENGTH);
1308 ca6e02ac 2020-01-07 stsp (*commit)->author_time = icommit->author_time;
1309 ca6e02ac 2020-01-07 stsp (*commit)->author_gmtoff = icommit->author_gmtoff;
1310 ca6e02ac 2020-01-07 stsp (*commit)->committer_time = icommit->committer_time;
1311 ca6e02ac 2020-01-07 stsp (*commit)->committer_gmtoff = icommit->committer_gmtoff;
1313 bf31a716 2022-06-14 op (*commit)->author = strndup(imsg->data + len, icommit->author_len);
1314 bf31a716 2022-06-14 op if ((*commit)->author == NULL) {
1315 bf31a716 2022-06-14 op err = got_error_from_errno("strndup");
1318 ca6e02ac 2020-01-07 stsp len += icommit->author_len;
1320 bf31a716 2022-06-14 op (*commit)->committer = strndup(imsg->data + len,
1321 bf31a716 2022-06-14 op icommit->committer_len);
1322 bf31a716 2022-06-14 op if ((*commit)->committer == NULL) {
1323 bf31a716 2022-06-14 op err = got_error_from_errno("strndup");
1326 ca6e02ac 2020-01-07 stsp len += icommit->committer_len;
1328 ca6e02ac 2020-01-07 stsp if (icommit->logmsg_len == 0) {
1329 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = strdup("");
1330 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1331 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1332 ca6e02ac 2020-01-07 stsp goto done;
1335 ca6e02ac 2020-01-07 stsp size_t offset = 0, remain = icommit->logmsg_len;
1337 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = malloc(icommit->logmsg_len + 1);
1338 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1339 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1340 ca6e02ac 2020-01-07 stsp goto done;
1342 ca6e02ac 2020-01-07 stsp while (remain > 0) {
1343 ca6e02ac 2020-01-07 stsp struct imsg imsg_log;
1344 ca6e02ac 2020-01-07 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1347 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1349 ca6e02ac 2020-01-07 stsp goto done;
1351 ca6e02ac 2020-01-07 stsp if (imsg_log.hdr.type != GOT_IMSG_COMMIT_LOGMSG) {
1352 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1353 ca6e02ac 2020-01-07 stsp goto done;
1356 ca6e02ac 2020-01-07 stsp memcpy((*commit)->logmsg + offset,
1357 ca6e02ac 2020-01-07 stsp imsg_log.data, n);
1358 ca6e02ac 2020-01-07 stsp imsg_free(&imsg_log);
1359 ca6e02ac 2020-01-07 stsp offset += n;
1360 ca6e02ac 2020-01-07 stsp remain -= n;
1362 ca6e02ac 2020-01-07 stsp (*commit)->logmsg[icommit->logmsg_len] = '\0';
1365 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommit->nparents; i++) {
1366 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
1368 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
1371 d7b5a0e8 2022-04-20 stsp memcpy(&qid->id, imsg->data + len +
1372 d7b5a0e8 2022-04-20 stsp i * SHA1_DIGEST_LENGTH, sizeof(qid->id));
1373 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(&(*commit)->parent_ids, qid, entry);
1374 ca6e02ac 2020-01-07 stsp (*commit)->nparents++;
1377 ca6e02ac 2020-01-07 stsp if (err) {
1378 ca6e02ac 2020-01-07 stsp got_object_commit_close(*commit);
1379 ca6e02ac 2020-01-07 stsp *commit = NULL;
1381 ca6e02ac 2020-01-07 stsp return err;
1384 ca6e02ac 2020-01-07 stsp const struct got_error *
1385 ca6e02ac 2020-01-07 stsp got_privsep_recv_commit(struct got_commit_object **commit, struct imsgbuf *ibuf)
1387 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
1388 ca6e02ac 2020-01-07 stsp struct imsg imsg;
1389 ca6e02ac 2020-01-07 stsp size_t datalen;
1390 ca6e02ac 2020-01-07 stsp const size_t min_datalen =
1391 ca6e02ac 2020-01-07 stsp MIN(sizeof(struct got_imsg_error),
1392 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_object));
1394 ca6e02ac 2020-01-07 stsp *commit = NULL;
1396 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1398 ca6e02ac 2020-01-07 stsp return err;
1400 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1402 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
1403 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
1404 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(commit, &imsg, datalen, ibuf);
1407 8c580685 2018-04-22 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1411 2178c42e 2018-04-22 stsp imsg_free(&imsg);
1413 e033d803 2018-04-23 stsp return err;
1416 33fd69c2 2022-05-19 stsp static const struct got_error *
1417 0ab4c957 2022-06-13 stsp send_tree_entries_batch(struct imsgbuf *ibuf,
1418 0ab4c957 2022-06-13 stsp struct got_parsed_tree_entry *entries, int idx0, int idxN, size_t len)
1420 33fd69c2 2022-05-19 stsp struct ibuf *wbuf;
1421 33fd69c2 2022-05-19 stsp struct got_imsg_tree_entries ientries;
1424 33fd69c2 2022-05-19 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_ENTRIES, 0, 0, len);
1425 33fd69c2 2022-05-19 stsp if (wbuf == NULL)
1426 33fd69c2 2022-05-19 stsp return got_error_from_errno("imsg_create TREE_ENTRY");
1428 33fd69c2 2022-05-19 stsp ientries.nentries = idxN - idx0 + 1;
1429 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &ientries, sizeof(ientries)) == -1)
1430 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_ENTRY");
1432 33fd69c2 2022-05-19 stsp for (i = idx0; i <= idxN; i++) {
1433 33fd69c2 2022-05-19 stsp struct got_parsed_tree_entry *pte = &entries[i];
1435 3022d272 2019-11-14 stsp /* Keep in sync with struct got_imsg_tree_object definition! */
1436 1453347d 2022-05-19 stsp if (imsg_add(wbuf, pte->id, SHA1_DIGEST_LENGTH) == -1)
1437 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_ENTRY");
1438 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &pte->mode, sizeof(pte->mode)) == -1)
1439 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_ENTRY");
1440 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &pte->namelen, sizeof(pte->namelen)) == -1)
1441 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_ENTRY");
1443 33fd69c2 2022-05-19 stsp /* Remaining bytes are the entry's name. */
1444 1453347d 2022-05-19 stsp if (imsg_add(wbuf, pte->name, pte->namelen) == -1)
1445 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_ENTRY");
1448 33fd69c2 2022-05-19 stsp wbuf->fd = -1;
1449 33fd69c2 2022-05-19 stsp imsg_close(ibuf, wbuf);
1450 33fd69c2 2022-05-19 stsp return NULL;
1453 0ab4c957 2022-06-13 stsp static const struct got_error *
1454 0ab4c957 2022-06-13 stsp send_tree_entries(struct imsgbuf *ibuf, struct got_parsed_tree_entry *entries,
1455 0ab4c957 2022-06-13 stsp int nentries)
1457 33fd69c2 2022-05-19 stsp const struct got_error *err = NULL;
1459 0ab4c957 2022-06-13 stsp size_t entries_len = sizeof(struct got_imsg_tree_entries);
1462 33fd69c2 2022-05-19 stsp for (j = 0; j < nentries; j++) {
1463 33fd69c2 2022-05-19 stsp struct got_parsed_tree_entry *pte = &entries[j];
1464 33fd69c2 2022-05-19 stsp size_t len = sizeof(*pte) + pte->namelen;
1466 33fd69c2 2022-05-19 stsp if (j > 0 &&
1467 33fd69c2 2022-05-19 stsp entries_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1468 0ab4c957 2022-06-13 stsp err = send_tree_entries_batch(ibuf, entries,
1469 33fd69c2 2022-05-19 stsp i, j - 1, entries_len);
1471 33fd69c2 2022-05-19 stsp return err;
1473 33fd69c2 2022-05-19 stsp entries_len = sizeof(struct got_imsg_tree_entries);
1476 33fd69c2 2022-05-19 stsp entries_len += len;
1479 33fd69c2 2022-05-19 stsp if (j > 0) {
1480 0ab4c957 2022-06-13 stsp err = send_tree_entries_batch(ibuf, entries, i, j - 1,
1481 0ab4c957 2022-06-13 stsp entries_len);
1483 33fd69c2 2022-05-19 stsp return err;
1486 0ab4c957 2022-06-13 stsp return NULL;
1489 0ab4c957 2022-06-13 stsp const struct got_error *
1490 0ab4c957 2022-06-13 stsp got_privsep_send_tree(struct imsgbuf *ibuf,
1491 0ab4c957 2022-06-13 stsp struct got_parsed_tree_entry *entries, int nentries)
1493 0ab4c957 2022-06-13 stsp const struct got_error *err = NULL;
1494 0ab4c957 2022-06-13 stsp struct got_imsg_tree_object itree;
1496 0ab4c957 2022-06-13 stsp itree.nentries = nentries;
1497 0ab4c957 2022-06-13 stsp if (imsg_compose(ibuf, GOT_IMSG_TREE, 0, 0, -1, &itree, sizeof(itree))
1499 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_compose TREE");
1501 0ab4c957 2022-06-13 stsp err = send_tree_entries(ibuf, entries, nentries);
1503 0ab4c957 2022-06-13 stsp return err;
1505 b00c9821 2018-11-04 stsp return flush_imsg(ibuf);
1509 0ab4c957 2022-06-13 stsp static const struct got_error *
1510 0ab4c957 2022-06-13 stsp recv_tree_entries(void *data, size_t datalen, struct got_tree_object *tree,
1511 0ab4c957 2022-06-13 stsp int *nentries)
1513 0ab4c957 2022-06-13 stsp const struct got_error *err = NULL;
1514 0ab4c957 2022-06-13 stsp struct got_imsg_tree_entries *ientries;
1515 0ab4c957 2022-06-13 stsp struct got_tree_entry *te;
1516 0ab4c957 2022-06-13 stsp size_t te_offset;
1519 0ab4c957 2022-06-13 stsp if (datalen <= sizeof(*ientries) ||
1520 0ab4c957 2022-06-13 stsp datalen > MAX_IMSGSIZE - IMSG_HEADER_SIZE)
1521 0ab4c957 2022-06-13 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1523 0ab4c957 2022-06-13 stsp ientries = (struct got_imsg_tree_entries *)data;
1524 0ab4c957 2022-06-13 stsp if (ientries->nentries > INT_MAX) {
1525 0ab4c957 2022-06-13 stsp return got_error_msg(GOT_ERR_NO_SPACE,
1526 0ab4c957 2022-06-13 stsp "too many tree entries");
1529 0ab4c957 2022-06-13 stsp te_offset = sizeof(*ientries);
1530 0ab4c957 2022-06-13 stsp for (i = 0; i < ientries->nentries; i++) {
1531 0ab4c957 2022-06-13 stsp struct got_imsg_tree_entry ite;
1532 0ab4c957 2022-06-13 stsp const char *te_name;
1533 0ab4c957 2022-06-13 stsp uint8_t *buf = (uint8_t *)data + te_offset;
1535 0ab4c957 2022-06-13 stsp if (te_offset >= datalen) {
1536 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1540 0ab4c957 2022-06-13 stsp /* Might not be aligned, size is ~32 bytes. */
1541 0ab4c957 2022-06-13 stsp memcpy(&ite, buf, sizeof(ite));
1543 0ab4c957 2022-06-13 stsp if (ite.namelen >= sizeof(te->name)) {
1544 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1547 0ab4c957 2022-06-13 stsp if (te_offset + sizeof(ite) + ite.namelen > datalen) {
1548 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1552 0ab4c957 2022-06-13 stsp if (*nentries >= tree->nentries) {
1553 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1556 0ab4c957 2022-06-13 stsp te = &tree->entries[*nentries];
1557 0ab4c957 2022-06-13 stsp te_name = buf + sizeof(ite);
1558 0ab4c957 2022-06-13 stsp memcpy(te->name, te_name, ite.namelen);
1559 0ab4c957 2022-06-13 stsp te->name[ite.namelen] = '\0';
1560 0ab4c957 2022-06-13 stsp memcpy(te->id.sha1, ite.id, SHA1_DIGEST_LENGTH);
1561 0ab4c957 2022-06-13 stsp te->mode = ite.mode;
1562 0ab4c957 2022-06-13 stsp te->idx = *nentries;
1563 0ab4c957 2022-06-13 stsp (*nentries)++;
1565 0ab4c957 2022-06-13 stsp te_offset += sizeof(ite) + ite.namelen;
1568 0ab4c957 2022-06-13 stsp return err;
1571 e033d803 2018-04-23 stsp const struct got_error *
1572 068fd2bf 2018-04-24 stsp got_privsep_recv_tree(struct got_tree_object **tree, struct imsgbuf *ibuf)
1574 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
1575 e033d803 2018-04-23 stsp const size_t min_datalen =
1576 e033d803 2018-04-23 stsp MIN(sizeof(struct got_imsg_error),
1577 e033d803 2018-04-23 stsp sizeof(struct got_imsg_tree_object));
1578 291624d8 2018-11-07 stsp struct got_imsg_tree_object *itree;
1579 e033d803 2018-04-23 stsp int nentries = 0;
1581 e033d803 2018-04-23 stsp *tree = NULL;
1583 e033d803 2018-04-23 stsp err = read_imsg(ibuf);
1585 1e51f5b9 2018-04-23 stsp goto done;
1588 e033d803 2018-04-23 stsp struct imsg imsg;
1590 e033d803 2018-04-23 stsp size_t datalen;
1592 e033d803 2018-04-23 stsp n = imsg_get(ibuf, &imsg);
1593 e033d803 2018-04-23 stsp if (n == 0) {
1594 7429ae85 2022-05-18 stsp if ((*tree)) {
1595 7429ae85 2022-05-18 stsp if (nentries < (*tree)->nentries) {
1596 7429ae85 2022-05-18 stsp err = read_imsg(ibuf);
1603 7429ae85 2022-05-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1608 fca1f6ad 2020-08-27 stsp if (imsg.hdr.len < IMSG_HEADER_SIZE + min_datalen) {
1609 fca1f6ad 2020-08-27 stsp imsg_free(&imsg);
1610 fca1f6ad 2020-08-27 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1614 e033d803 2018-04-23 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1616 e033d803 2018-04-23 stsp switch (imsg.hdr.type) {
1617 e033d803 2018-04-23 stsp case GOT_IMSG_ERROR:
1618 e033d803 2018-04-23 stsp err = recv_imsg_error(&imsg, datalen);
1620 e033d803 2018-04-23 stsp case GOT_IMSG_TREE:
1621 e033d803 2018-04-23 stsp /* This message should only appear once. */
1622 e033d803 2018-04-23 stsp if (*tree != NULL) {
1623 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1626 291624d8 2018-11-07 stsp if (datalen != sizeof(*itree)) {
1627 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1630 291624d8 2018-11-07 stsp itree = imsg.data;
1631 13fcf1bf 2022-05-18 stsp if (itree->nentries < 0) {
1632 13fcf1bf 2022-05-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1635 c3b78ecc 2018-11-07 stsp *tree = malloc(sizeof(**tree));
1636 e033d803 2018-04-23 stsp if (*tree == NULL) {
1637 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1640 56e0773d 2019-11-28 stsp (*tree)->entries = calloc(itree->nentries,
1641 56e0773d 2019-11-28 stsp sizeof(struct got_tree_entry));
1642 56e0773d 2019-11-28 stsp if ((*tree)->entries == NULL) {
1643 56e0773d 2019-11-28 stsp err = got_error_from_errno("malloc");
1644 baef4d75 2022-05-18 stsp free(*tree);
1645 baef4d75 2022-05-18 stsp *tree = NULL;
1648 56e0773d 2019-11-28 stsp (*tree)->nentries = itree->nentries;
1649 c3b78ecc 2018-11-07 stsp (*tree)->refcnt = 0;
1651 33fd69c2 2022-05-19 stsp case GOT_IMSG_TREE_ENTRIES:
1652 e033d803 2018-04-23 stsp /* This message should be preceeded by GOT_IMSG_TREE. */
1653 e033d803 2018-04-23 stsp if (*tree == NULL) {
1654 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1657 0ab4c957 2022-06-13 stsp err = recv_tree_entries(imsg.data, datalen,
1658 0ab4c957 2022-06-13 stsp *tree, &nentries);
1661 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1665 e033d803 2018-04-23 stsp imsg_free(&imsg);
1670 56e0773d 2019-11-28 stsp if (*tree && (*tree)->nentries != nentries) {
1671 1e51f5b9 2018-04-23 stsp if (err == NULL)
1672 1e51f5b9 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1673 e033d803 2018-04-23 stsp got_object_tree_close(*tree);
1674 e033d803 2018-04-23 stsp *tree = NULL;
1677 ff6b18f8 2018-04-24 stsp return err;
1680 ff6b18f8 2018-04-24 stsp const struct got_error *
1681 ac544f8c 2019-01-13 stsp got_privsep_send_blob(struct imsgbuf *ibuf, size_t size, size_t hdrlen,
1682 ac544f8c 2019-01-13 stsp const uint8_t *data)
1684 2967a784 2018-04-24 stsp struct got_imsg_blob iblob;
1686 2967a784 2018-04-24 stsp iblob.size = size;
1687 ebc55e2d 2018-12-24 stsp iblob.hdrlen = hdrlen;
1689 ac544f8c 2019-01-13 stsp if (data) {
1690 ac544f8c 2019-01-13 stsp uint8_t *buf;
1692 ac544f8c 2019-01-13 stsp if (size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX)
1693 ac544f8c 2019-01-13 stsp return got_error(GOT_ERR_NO_SPACE);
1695 ac544f8c 2019-01-13 stsp buf = malloc(sizeof(iblob) + size);
1696 ac544f8c 2019-01-13 stsp if (buf == NULL)
1697 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1699 ac544f8c 2019-01-13 stsp memcpy(buf, &iblob, sizeof(iblob));
1700 ac544f8c 2019-01-13 stsp memcpy(buf + sizeof(iblob), data, size);
1701 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, buf,
1702 62d463ca 2020-10-20 naddy sizeof(iblob) + size) == -1) {
1703 ac544f8c 2019-01-13 stsp free(buf);
1704 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1706 ac544f8c 2019-01-13 stsp free(buf);
1708 ac544f8c 2019-01-13 stsp /* Data has already been written to file descriptor. */
1709 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, &iblob,
1710 ac544f8c 2019-01-13 stsp sizeof(iblob)) == -1)
1711 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1715 ff6b18f8 2018-04-24 stsp return flush_imsg(ibuf);
1718 ff6b18f8 2018-04-24 stsp const struct got_error *
1719 ac544f8c 2019-01-13 stsp got_privsep_recv_blob(uint8_t **outbuf, size_t *size, size_t *hdrlen,
1720 ac544f8c 2019-01-13 stsp struct imsgbuf *ibuf)
1722 ff6b18f8 2018-04-24 stsp const struct got_error *err = NULL;
1723 ff6b18f8 2018-04-24 stsp struct imsg imsg;
1724 291624d8 2018-11-07 stsp struct got_imsg_blob *iblob;
1725 ff6b18f8 2018-04-24 stsp size_t datalen;
1727 ac544f8c 2019-01-13 stsp *outbuf = NULL;
1729 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1731 ff6b18f8 2018-04-24 stsp return err;
1733 ff6b18f8 2018-04-24 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1735 ff6b18f8 2018-04-24 stsp switch (imsg.hdr.type) {
1736 ff6b18f8 2018-04-24 stsp case GOT_IMSG_BLOB:
1737 ac544f8c 2019-01-13 stsp if (datalen < sizeof(*iblob)) {
1738 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1741 291624d8 2018-11-07 stsp iblob = imsg.data;
1742 291624d8 2018-11-07 stsp *size = iblob->size;
1743 ebc55e2d 2018-12-24 stsp *hdrlen = iblob->hdrlen;
1745 ac544f8c 2019-01-13 stsp if (datalen == sizeof(*iblob)) {
1746 ac544f8c 2019-01-13 stsp /* Data has been written to file descriptor. */
1750 c98b0f0b 2022-06-14 op if (*size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX ||
1751 c98b0f0b 2022-06-14 op *size > datalen + sizeof(*iblob)) {
1752 ac544f8c 2019-01-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1756 ac544f8c 2019-01-13 stsp *outbuf = malloc(*size);
1757 ac544f8c 2019-01-13 stsp if (*outbuf == NULL) {
1758 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1761 ac544f8c 2019-01-13 stsp memcpy(*outbuf, imsg.data + sizeof(*iblob), *size);
1764 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1768 f4a881ce 2018-11-17 stsp imsg_free(&imsg);
1770 f4a881ce 2018-11-17 stsp return err;
1773 f4a881ce 2018-11-17 stsp static const struct got_error *
1774 f4a881ce 2018-11-17 stsp send_tagmsg(struct imsgbuf *ibuf, struct got_tag_object *tag, size_t tagmsg_len)
1776 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1777 f4a881ce 2018-11-17 stsp size_t offset, remain;
1779 f4a881ce 2018-11-17 stsp offset = 0;
1780 f4a881ce 2018-11-17 stsp remain = tagmsg_len;
1781 f4a881ce 2018-11-17 stsp while (remain > 0) {
1782 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1784 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_TAGMSG, 0, 0, -1,
1785 f4a881ce 2018-11-17 stsp tag->tagmsg + offset, n) == -1) {
1786 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG_TAGMSG");
1790 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1794 f4a881ce 2018-11-17 stsp offset += n;
1795 f4a881ce 2018-11-17 stsp remain -= n;
1798 f4a881ce 2018-11-17 stsp return err;
1801 f4a881ce 2018-11-17 stsp const struct got_error *
1802 f4a881ce 2018-11-17 stsp got_privsep_send_tag(struct imsgbuf *ibuf, struct got_tag_object *tag)
1804 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1805 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1806 f4a881ce 2018-11-17 stsp uint8_t *buf;
1807 f4a881ce 2018-11-17 stsp size_t len, total;
1808 f4a881ce 2018-11-17 stsp size_t tag_len = strlen(tag->tag);
1809 f4a881ce 2018-11-17 stsp size_t tagger_len = strlen(tag->tagger);
1810 f4a881ce 2018-11-17 stsp size_t tagmsg_len = strlen(tag->tagmsg);
1812 f4a881ce 2018-11-17 stsp total = sizeof(*itag) + tag_len + tagger_len + tagmsg_len;
1814 f4a881ce 2018-11-17 stsp buf = malloc(total);
1815 f4a881ce 2018-11-17 stsp if (buf == NULL)
1816 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1818 f4a881ce 2018-11-17 stsp itag = (struct got_imsg_tag_object *)buf;
1819 f4a881ce 2018-11-17 stsp memcpy(itag->id, tag->id.sha1, sizeof(itag->id));
1820 f4a881ce 2018-11-17 stsp itag->obj_type = tag->obj_type;
1821 f4a881ce 2018-11-17 stsp itag->tag_len = tag_len;
1822 f4a881ce 2018-11-17 stsp itag->tagger_len = tagger_len;
1823 f4a881ce 2018-11-17 stsp itag->tagger_time = tag->tagger_time;
1824 f4a881ce 2018-11-17 stsp itag->tagger_gmtoff = tag->tagger_gmtoff;
1825 f4a881ce 2018-11-17 stsp itag->tagmsg_len = tagmsg_len;
1827 f4a881ce 2018-11-17 stsp len = sizeof(*itag);
1828 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tag, tag_len);
1829 f4a881ce 2018-11-17 stsp len += tag_len;
1830 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tagger, tagger_len);
1831 f4a881ce 2018-11-17 stsp len += tagger_len;
1833 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG, 0, 0, -1, buf, len) == -1) {
1834 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG");
1835 f4a881ce 2018-11-17 stsp goto done;
1838 f4a881ce 2018-11-17 stsp if (tagmsg_len == 0 ||
1839 f4a881ce 2018-11-17 stsp tagmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1840 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1842 f4a881ce 2018-11-17 stsp goto done;
1844 f4a881ce 2018-11-17 stsp err = send_tagmsg(ibuf, tag, tagmsg_len);
1846 f4a881ce 2018-11-17 stsp free(buf);
1847 f4a881ce 2018-11-17 stsp return err;
1850 f4a881ce 2018-11-17 stsp const struct got_error *
1851 f4a881ce 2018-11-17 stsp got_privsep_recv_tag(struct got_tag_object **tag, struct imsgbuf *ibuf)
1853 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1854 f4a881ce 2018-11-17 stsp struct imsg imsg;
1855 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1856 f4a881ce 2018-11-17 stsp size_t len, datalen;
1857 f4a881ce 2018-11-17 stsp const size_t min_datalen =
1858 f4a881ce 2018-11-17 stsp MIN(sizeof(struct got_imsg_error),
1859 f4a881ce 2018-11-17 stsp sizeof(struct got_imsg_tag_object));
1861 f4a881ce 2018-11-17 stsp *tag = NULL;
1863 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1865 f4a881ce 2018-11-17 stsp return err;
1867 f4a881ce 2018-11-17 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1870 f4a881ce 2018-11-17 stsp switch (imsg.hdr.type) {
1871 f4a881ce 2018-11-17 stsp case GOT_IMSG_TAG:
1872 f4a881ce 2018-11-17 stsp if (datalen < sizeof(*itag)) {
1873 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1876 f4a881ce 2018-11-17 stsp itag = imsg.data;
1877 f4a881ce 2018-11-17 stsp if (datalen != sizeof(*itag) + itag->tag_len +
1878 f4a881ce 2018-11-17 stsp itag->tagger_len) {
1879 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1882 f4a881ce 2018-11-17 stsp len += sizeof(*itag);
1884 f4a881ce 2018-11-17 stsp *tag = calloc(1, sizeof(**tag));
1885 f4a881ce 2018-11-17 stsp if (*tag == NULL) {
1886 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
1890 f4a881ce 2018-11-17 stsp memcpy((*tag)->id.sha1, itag->id, SHA1_DIGEST_LENGTH);
1892 bf31a716 2022-06-14 op (*tag)->tag = strndup(imsg.data + len, itag->tag_len);
1893 bf31a716 2022-06-14 op if ((*tag)->tag == NULL) {
1894 bf31a716 2022-06-14 op err = got_error_from_errno("strndup");
1897 f4a881ce 2018-11-17 stsp len += itag->tag_len;
1899 f4a881ce 2018-11-17 stsp (*tag)->obj_type = itag->obj_type;
1900 f4a881ce 2018-11-17 stsp (*tag)->tagger_time = itag->tagger_time;
1901 f4a881ce 2018-11-17 stsp (*tag)->tagger_gmtoff = itag->tagger_gmtoff;
1903 bf31a716 2022-06-14 op (*tag)->tagger = strndup(imsg.data + len, itag->tagger_len);
1904 bf31a716 2022-06-14 op if ((*tag)->tagger == NULL) {
1905 bf31a716 2022-06-14 op err = got_error_from_errno("strndup");
1908 f4a881ce 2018-11-17 stsp len += itag->tagger_len;
1910 f4a881ce 2018-11-17 stsp if (itag->tagmsg_len == 0) {
1911 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = strdup("");
1912 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1913 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1917 f4a881ce 2018-11-17 stsp size_t offset = 0, remain = itag->tagmsg_len;
1919 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = malloc(itag->tagmsg_len + 1);
1920 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1921 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1924 f4a881ce 2018-11-17 stsp while (remain > 0) {
1925 f4a881ce 2018-11-17 stsp struct imsg imsg_log;
1926 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1929 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1931 f4a881ce 2018-11-17 stsp return err;
1933 f4a881ce 2018-11-17 stsp if (imsg_log.hdr.type != GOT_IMSG_TAG_TAGMSG)
1934 f4a881ce 2018-11-17 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
1936 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagmsg + offset, imsg_log.data,
1938 f4a881ce 2018-11-17 stsp imsg_free(&imsg_log);
1939 f4a881ce 2018-11-17 stsp offset += n;
1940 f4a881ce 2018-11-17 stsp remain -= n;
1942 f4a881ce 2018-11-17 stsp (*tag)->tagmsg[itag->tagmsg_len] = '\0';
1947 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1951 ff6b18f8 2018-04-24 stsp imsg_free(&imsg);
1953 2178c42e 2018-04-22 stsp return err;
1956 876c234b 2018-09-10 stsp const struct got_error *
1957 876c234b 2018-09-10 stsp got_privsep_init_pack_child(struct imsgbuf *ibuf, struct got_pack *pack,
1958 876c234b 2018-09-10 stsp struct got_packidx *packidx)
1960 41496140 2019-02-21 stsp const struct got_error *err = NULL;
1961 876c234b 2018-09-10 stsp struct got_imsg_packidx ipackidx;
1962 876c234b 2018-09-10 stsp struct got_imsg_pack ipack;
1965 876c234b 2018-09-10 stsp ipackidx.len = packidx->len;
1966 c3564dfa 2021-07-15 stsp ipackidx.packfile_size = pack->filesize;
1967 876c234b 2018-09-10 stsp fd = dup(packidx->fd);
1968 876c234b 2018-09-10 stsp if (fd == -1)
1969 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1971 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKIDX, 0, 0, fd, &ipackidx,
1972 41496140 2019-02-21 stsp sizeof(ipackidx)) == -1) {
1973 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACKIDX");
1974 41496140 2019-02-21 stsp close(fd);
1975 41496140 2019-02-21 stsp return err;
1978 876c234b 2018-09-10 stsp if (strlcpy(ipack.path_packfile, pack->path_packfile,
1979 876c234b 2018-09-10 stsp sizeof(ipack.path_packfile)) >= sizeof(ipack.path_packfile))
1980 876c234b 2018-09-10 stsp return got_error(GOT_ERR_NO_SPACE);
1981 876c234b 2018-09-10 stsp ipack.filesize = pack->filesize;
1983 876c234b 2018-09-10 stsp fd = dup(pack->fd);
1984 876c234b 2018-09-10 stsp if (fd == -1)
1985 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1987 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACK, 0, 0, fd, &ipack, sizeof(ipack))
1989 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACK");
1990 41496140 2019-02-21 stsp close(fd);
1991 41496140 2019-02-21 stsp return err;
1994 876c234b 2018-09-10 stsp return flush_imsg(ibuf);
1997 876c234b 2018-09-10 stsp const struct got_error *
1998 106807b4 2018-09-15 stsp got_privsep_send_packed_obj_req(struct imsgbuf *ibuf, int idx,
1999 106807b4 2018-09-15 stsp struct got_object_id *id)
2001 876c234b 2018-09-10 stsp struct got_imsg_packed_object iobj;
2003 876c234b 2018-09-10 stsp iobj.idx = idx;
2004 106807b4 2018-09-15 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
2006 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_OBJECT_REQUEST, 0, 0, -1,
2007 876c234b 2018-09-10 stsp &iobj, sizeof(iobj)) == -1)
2008 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose "
2009 230a42bd 2019-05-11 jcs "PACKED_OBJECT_REQUEST");
2011 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2014 aba9c984 2019-09-08 stsp const struct got_error *
2015 59d1e4a0 2021-03-10 stsp got_privsep_send_packed_raw_obj_req(struct imsgbuf *ibuf, int idx,
2016 59d1e4a0 2021-03-10 stsp struct got_object_id *id)
2018 59d1e4a0 2021-03-10 stsp struct got_imsg_packed_object iobj;
2020 59d1e4a0 2021-03-10 stsp iobj.idx = idx;
2021 59d1e4a0 2021-03-10 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
2023 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_RAW_OBJECT_REQUEST, 0, 0, -1,
2024 59d1e4a0 2021-03-10 stsp &iobj, sizeof(iobj)) == -1)
2025 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose "
2026 59d1e4a0 2021-03-10 stsp "PACKED_OBJECT_REQUEST");
2028 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
2031 59d1e4a0 2021-03-10 stsp const struct got_error *
2032 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_parse_req(struct imsgbuf *ibuf, int fd)
2034 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2036 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_PARSE_REQUEST, 0, 0, fd,
2037 aba9c984 2019-09-08 stsp NULL, 0) == -1) {
2038 aba9c984 2019-09-08 stsp err = got_error_from_errno("imsg_compose "
2039 aba9c984 2019-09-08 stsp "GITCONFIG_PARSE_REQUEST");
2040 aba9c984 2019-09-08 stsp close(fd);
2041 aba9c984 2019-09-08 stsp return err;
2044 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2047 aba9c984 2019-09-08 stsp const struct got_error *
2048 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_repository_format_version_req(struct imsgbuf *ibuf)
2050 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2051 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST, 0, 0, -1,
2052 aba9c984 2019-09-08 stsp NULL, 0) == -1)
2053 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2054 aba9c984 2019-09-08 stsp "GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST");
2056 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2059 aba9c984 2019-09-08 stsp const struct got_error *
2060 20b7abb3 2020-10-22 stsp got_privsep_send_gitconfig_repository_extensions_req(struct imsgbuf *ibuf)
2062 20b7abb3 2020-10-22 stsp if (imsg_compose(ibuf,
2063 20b7abb3 2020-10-22 stsp GOT_IMSG_GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST, 0, 0, -1,
2064 20b7abb3 2020-10-22 stsp NULL, 0) == -1)
2065 20b7abb3 2020-10-22 stsp return got_error_from_errno("imsg_compose "
2066 20b7abb3 2020-10-22 stsp "GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST");
2068 20b7abb3 2020-10-22 stsp return flush_imsg(ibuf);
2072 20b7abb3 2020-10-22 stsp const struct got_error *
2073 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_name_req(struct imsgbuf *ibuf)
2075 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2076 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_NAME_REQUEST, 0, 0, -1, NULL, 0) == -1)
2077 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2078 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_NAME_REQUEST");
2080 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2083 aba9c984 2019-09-08 stsp const struct got_error *
2084 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_email_req(struct imsgbuf *ibuf)
2086 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2087 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_EMAIL_REQUEST, 0, 0, -1, NULL, 0) == -1)
2088 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2089 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_EMAIL_REQUEST");
2091 cd95becd 2019-11-29 stsp return flush_imsg(ibuf);
2094 cd95becd 2019-11-29 stsp const struct got_error *
2095 cd95becd 2019-11-29 stsp got_privsep_send_gitconfig_remotes_req(struct imsgbuf *ibuf)
2097 cd95becd 2019-11-29 stsp if (imsg_compose(ibuf,
2098 cd95becd 2019-11-29 stsp GOT_IMSG_GITCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2099 cd95becd 2019-11-29 stsp return got_error_from_errno("imsg_compose "
2100 cd95becd 2019-11-29 stsp "GITCONFIG_REMOTE_REQUEST");
2102 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2105 aba9c984 2019-09-08 stsp const struct got_error *
2106 9a1cc63f 2020-02-03 stsp got_privsep_send_gitconfig_owner_req(struct imsgbuf *ibuf)
2108 9a1cc63f 2020-02-03 stsp if (imsg_compose(ibuf,
2109 9a1cc63f 2020-02-03 stsp GOT_IMSG_GITCONFIG_OWNER_REQUEST, 0, 0, -1, NULL, 0) == -1)
2110 9a1cc63f 2020-02-03 stsp return got_error_from_errno("imsg_compose "
2111 9a1cc63f 2020-02-03 stsp "GITCONFIG_OWNER_REQUEST");
2113 9a1cc63f 2020-02-03 stsp return flush_imsg(ibuf);
2116 9a1cc63f 2020-02-03 stsp const struct got_error *
2117 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_str(char **str, struct imsgbuf *ibuf)
2119 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2120 aba9c984 2019-09-08 stsp struct imsg imsg;
2121 aba9c984 2019-09-08 stsp size_t datalen;
2123 aba9c984 2019-09-08 stsp *str = NULL;
2125 3e6054c4 2022-06-14 op err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2127 aba9c984 2019-09-08 stsp return err;
2128 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2130 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2131 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_STR_VAL:
2132 aba9c984 2019-09-08 stsp if (datalen == 0)
2134 6c13dcd2 2020-09-18 stsp /* datalen does not include terminating \0 */
2135 6c13dcd2 2020-09-18 stsp *str = malloc(datalen + 1);
2136 aba9c984 2019-09-08 stsp if (*str == NULL) {
2137 aba9c984 2019-09-08 stsp err = got_error_from_errno("malloc");
2140 6c13dcd2 2020-09-18 stsp memcpy(*str, imsg.data, datalen);
2141 6c13dcd2 2020-09-18 stsp (*str)[datalen] = '\0';
2144 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2148 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2149 aba9c984 2019-09-08 stsp return err;
2152 aba9c984 2019-09-08 stsp const struct got_error *
2153 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_int(int *val, struct imsgbuf *ibuf)
2155 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2156 aba9c984 2019-09-08 stsp struct imsg imsg;
2157 aba9c984 2019-09-08 stsp size_t datalen;
2158 aba9c984 2019-09-08 stsp const size_t min_datalen =
2159 aba9c984 2019-09-08 stsp MIN(sizeof(struct got_imsg_error), sizeof(int));
2163 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2165 aba9c984 2019-09-08 stsp return err;
2166 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2168 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2169 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_INT_VAL:
2170 aba9c984 2019-09-08 stsp if (datalen != sizeof(*val)) {
2171 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2174 aba9c984 2019-09-08 stsp memcpy(val, imsg.data, sizeof(*val));
2177 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2181 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2182 cd95becd 2019-11-29 stsp return err;
2185 b8adfa55 2020-09-25 stsp static void
2186 b8adfa55 2020-09-25 stsp free_remote_data(struct got_remote_repo *remote)
2190 b8adfa55 2020-09-25 stsp free(remote->name);
2191 6480c871 2021-08-30 stsp free(remote->fetch_url);
2192 6480c871 2021-08-30 stsp free(remote->send_url);
2193 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_branches; i++)
2194 6480c871 2021-08-30 stsp free(remote->fetch_branches[i]);
2195 6480c871 2021-08-30 stsp free(remote->fetch_branches);
2196 6480c871 2021-08-30 stsp for (i = 0; i < remote->nsend_branches; i++)
2197 6480c871 2021-08-30 stsp free(remote->send_branches[i]);
2198 6480c871 2021-08-30 stsp free(remote->send_branches);
2199 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_refs; i++)
2200 6480c871 2021-08-30 stsp free(remote->fetch_refs[i]);
2201 6480c871 2021-08-30 stsp free(remote->fetch_refs);
2204 cd95becd 2019-11-29 stsp const struct got_error *
2205 cd95becd 2019-11-29 stsp got_privsep_recv_gitconfig_remotes(struct got_remote_repo **remotes,
2206 cd95becd 2019-11-29 stsp int *nremotes, struct imsgbuf *ibuf)
2208 cd95becd 2019-11-29 stsp const struct got_error *err = NULL;
2209 cd95becd 2019-11-29 stsp struct imsg imsg;
2210 cd95becd 2019-11-29 stsp size_t datalen;
2211 cd95becd 2019-11-29 stsp struct got_imsg_remotes iremotes;
2212 cd95becd 2019-11-29 stsp struct got_imsg_remote iremote;
2214 cd95becd 2019-11-29 stsp *remotes = NULL;
2215 cd95becd 2019-11-29 stsp *nremotes = 0;
2216 d669b9c9 2020-02-22 stsp iremotes.nremotes = 0;
2218 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremotes));
2220 cd95becd 2019-11-29 stsp return err;
2221 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2223 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2224 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTES:
2225 cd95becd 2019-11-29 stsp if (datalen != sizeof(iremotes)) {
2226 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2229 cd95becd 2019-11-29 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2230 cd95becd 2019-11-29 stsp if (iremotes.nremotes == 0) {
2231 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2232 cd95becd 2019-11-29 stsp return NULL;
2236 54b1c5b5 2020-02-22 stsp imsg_free(&imsg);
2237 54b1c5b5 2020-02-22 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2240 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2242 5146eb39 2020-03-20 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2243 cd95becd 2019-11-29 stsp if (*remotes == NULL)
2244 cd95becd 2019-11-29 stsp return got_error_from_errno("recallocarray");
2246 cd95becd 2019-11-29 stsp while (*nremotes < iremotes.nremotes) {
2247 cd95becd 2019-11-29 stsp struct got_remote_repo *remote;
2249 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremote));
2252 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2254 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2255 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTE:
2256 cd95becd 2019-11-29 stsp remote = &(*remotes)[*nremotes];
2257 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2258 cd95becd 2019-11-29 stsp if (datalen < sizeof(iremote)) {
2259 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2262 cd95becd 2019-11-29 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2263 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2264 6480c871 2021-08-30 stsp iremote.fetch_url_len == 0 ||
2265 6480c871 2021-08-30 stsp iremote.send_url_len == 0 ||
2266 cd95becd 2019-11-29 stsp (sizeof(iremote) + iremote.name_len +
2267 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) > datalen) {
2268 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2271 cd95becd 2019-11-29 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2272 cd95becd 2019-11-29 stsp iremote.name_len);
2273 cd95becd 2019-11-29 stsp if (remote->name == NULL) {
2274 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2277 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data + sizeof(iremote) +
2278 6480c871 2021-08-30 stsp iremote.name_len, iremote.fetch_url_len);
2279 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2280 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2281 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2284 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data + sizeof(iremote) +
2285 6480c871 2021-08-30 stsp iremote.name_len + iremote.fetch_url_len,
2286 6480c871 2021-08-30 stsp iremote.send_url_len);
2287 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2288 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2289 6480c871 2021-08-30 stsp free_remote_data(remote);
2292 469dd726 2020-03-20 stsp remote->mirror_references = iremote.mirror_references;
2293 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2294 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2295 6480c871 2021-08-30 stsp remote->fetch_branches = NULL;
2296 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2297 6480c871 2021-08-30 stsp remote->send_branches = NULL;
2298 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2299 6480c871 2021-08-30 stsp remote->fetch_refs = NULL;
2300 cd95becd 2019-11-29 stsp (*nremotes)++;
2303 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2307 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2312 cd95becd 2019-11-29 stsp if (err) {
2314 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2315 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2316 cd95becd 2019-11-29 stsp free(*remotes);
2317 cd95becd 2019-11-29 stsp *remotes = NULL;
2318 cd95becd 2019-11-29 stsp *nremotes = 0;
2320 aba9c984 2019-09-08 stsp return err;
2323 257add31 2020-09-09 stsp const struct got_error *
2324 257add31 2020-09-09 stsp got_privsep_send_gotconfig_parse_req(struct imsgbuf *ibuf, int fd)
2326 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2328 257add31 2020-09-09 stsp if (imsg_compose(ibuf, GOT_IMSG_GOTCONFIG_PARSE_REQUEST, 0, 0, fd,
2329 257add31 2020-09-09 stsp NULL, 0) == -1) {
2330 257add31 2020-09-09 stsp err = got_error_from_errno("imsg_compose "
2331 257add31 2020-09-09 stsp "GOTCONFIG_PARSE_REQUEST");
2332 257add31 2020-09-09 stsp close(fd);
2333 257add31 2020-09-09 stsp return err;
2336 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2339 257add31 2020-09-09 stsp const struct got_error *
2340 257add31 2020-09-09 stsp got_privsep_send_gotconfig_author_req(struct imsgbuf *ibuf)
2342 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2343 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_AUTHOR_REQUEST, 0, 0, -1, NULL, 0) == -1)
2344 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2345 257add31 2020-09-09 stsp "GOTCONFIG_AUTHOR_REQUEST");
2347 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2350 ca6e02ac 2020-01-07 stsp const struct got_error *
2351 257add31 2020-09-09 stsp got_privsep_send_gotconfig_remotes_req(struct imsgbuf *ibuf)
2353 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2354 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2355 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2356 257add31 2020-09-09 stsp "GOTCONFIG_REMOTE_REQUEST");
2358 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2361 257add31 2020-09-09 stsp const struct got_error *
2362 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_str(char **str, struct imsgbuf *ibuf)
2364 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2365 257add31 2020-09-09 stsp struct imsg imsg;
2366 257add31 2020-09-09 stsp size_t datalen;
2368 257add31 2020-09-09 stsp *str = NULL;
2370 3e6054c4 2022-06-14 op err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2372 257add31 2020-09-09 stsp return err;
2373 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2375 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2376 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2377 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2379 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_STR_VAL:
2380 257add31 2020-09-09 stsp if (datalen == 0)
2382 5874ea87 2020-09-18 stsp /* datalen does not include terminating \0 */
2383 5874ea87 2020-09-18 stsp *str = malloc(datalen + 1);
2384 257add31 2020-09-09 stsp if (*str == NULL) {
2385 257add31 2020-09-09 stsp err = got_error_from_errno("malloc");
2388 5874ea87 2020-09-18 stsp memcpy(*str, imsg.data, datalen);
2389 5874ea87 2020-09-18 stsp (*str)[datalen] = '\0';
2392 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2396 257add31 2020-09-09 stsp imsg_free(&imsg);
2397 257add31 2020-09-09 stsp return err;
2400 257add31 2020-09-09 stsp const struct got_error *
2401 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_remotes(struct got_remote_repo **remotes,
2402 257add31 2020-09-09 stsp int *nremotes, struct imsgbuf *ibuf)
2404 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2405 257add31 2020-09-09 stsp struct imsg imsg;
2406 257add31 2020-09-09 stsp size_t datalen;
2407 257add31 2020-09-09 stsp struct got_imsg_remotes iremotes;
2408 257add31 2020-09-09 stsp struct got_imsg_remote iremote;
2409 257add31 2020-09-09 stsp const size_t min_datalen =
2410 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremotes));
2412 257add31 2020-09-09 stsp *remotes = NULL;
2413 257add31 2020-09-09 stsp *nremotes = 0;
2414 257add31 2020-09-09 stsp iremotes.nremotes = 0;
2416 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2418 257add31 2020-09-09 stsp return err;
2419 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2421 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2422 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2423 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2425 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTES:
2426 257add31 2020-09-09 stsp if (datalen != sizeof(iremotes)) {
2427 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2430 257add31 2020-09-09 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2431 c98b0f0b 2022-06-14 op if (iremotes.nremotes < 0) {
2432 c98b0f0b 2022-06-14 op err = got_error(GOT_ERR_PRIVSEP_LEN);
2435 257add31 2020-09-09 stsp if (iremotes.nremotes == 0) {
2436 257add31 2020-09-09 stsp imsg_free(&imsg);
2437 257add31 2020-09-09 stsp return NULL;
2441 257add31 2020-09-09 stsp imsg_free(&imsg);
2442 257add31 2020-09-09 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2445 257add31 2020-09-09 stsp imsg_free(&imsg);
2447 257add31 2020-09-09 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2448 257add31 2020-09-09 stsp if (*remotes == NULL)
2449 257add31 2020-09-09 stsp return got_error_from_errno("recallocarray");
2451 257add31 2020-09-09 stsp while (*nremotes < iremotes.nremotes) {
2452 257add31 2020-09-09 stsp struct got_remote_repo *remote;
2453 257add31 2020-09-09 stsp const size_t min_datalen =
2454 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremote));
2457 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2460 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2462 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2463 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2464 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2466 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTE:
2467 257add31 2020-09-09 stsp remote = &(*remotes)[*nremotes];
2468 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2469 257add31 2020-09-09 stsp if (datalen < sizeof(iremote)) {
2470 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2473 257add31 2020-09-09 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2474 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2475 6480c871 2021-08-30 stsp (iremote.fetch_url_len == 0 &&
2476 6480c871 2021-08-30 stsp iremote.send_url_len == 0) ||
2477 257add31 2020-09-09 stsp (sizeof(iremote) + iremote.name_len +
2478 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) >
2479 6480c871 2021-08-30 stsp datalen) {
2480 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2483 257add31 2020-09-09 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2484 257add31 2020-09-09 stsp iremote.name_len);
2485 257add31 2020-09-09 stsp if (remote->name == NULL) {
2486 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2489 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data +
2490 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len,
2491 6480c871 2021-08-30 stsp iremote.fetch_url_len);
2492 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2493 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2494 6480c871 2021-08-30 stsp free_remote_data(remote);
2497 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data +
2498 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len +
2499 6480c871 2021-08-30 stsp iremote.fetch_url_len, iremote.send_url_len);
2500 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2501 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2502 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2505 257add31 2020-09-09 stsp remote->mirror_references = iremote.mirror_references;
2506 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2507 6480c871 2021-08-30 stsp if (iremote.nfetch_branches > 0) {
2508 6480c871 2021-08-30 stsp remote->fetch_branches = recallocarray(NULL, 0,
2509 6480c871 2021-08-30 stsp iremote.nfetch_branches, sizeof(char *));
2510 6480c871 2021-08-30 stsp if (remote->fetch_branches == NULL) {
2511 b8adfa55 2020-09-25 stsp err = got_error_from_errno("calloc");
2512 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2516 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2517 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_branches; i++) {
2518 b8adfa55 2020-09-25 stsp char *branch;
2519 b8adfa55 2020-09-25 stsp err = got_privsep_recv_gotconfig_str(&branch,
2521 b8adfa55 2020-09-25 stsp if (err) {
2522 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2523 b8adfa55 2020-09-25 stsp goto done;
2525 6480c871 2021-08-30 stsp remote->fetch_branches[i] = branch;
2526 6480c871 2021-08-30 stsp remote->nfetch_branches++;
2528 6480c871 2021-08-30 stsp if (iremote.nsend_branches > 0) {
2529 6480c871 2021-08-30 stsp remote->send_branches = recallocarray(NULL, 0,
2530 6480c871 2021-08-30 stsp iremote.nsend_branches, sizeof(char *));
2531 6480c871 2021-08-30 stsp if (remote->send_branches == NULL) {
2532 99495ddb 2021-01-10 stsp err = got_error_from_errno("calloc");
2533 99495ddb 2021-01-10 stsp free_remote_data(remote);
2537 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2538 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nsend_branches; i++) {
2539 6480c871 2021-08-30 stsp char *branch;
2540 6480c871 2021-08-30 stsp err = got_privsep_recv_gotconfig_str(&branch,
2542 6480c871 2021-08-30 stsp if (err) {
2543 6480c871 2021-08-30 stsp free_remote_data(remote);
2544 6480c871 2021-08-30 stsp goto done;
2546 6480c871 2021-08-30 stsp remote->send_branches[i] = branch;
2547 6480c871 2021-08-30 stsp remote->nsend_branches++;
2549 6480c871 2021-08-30 stsp if (iremote.nfetch_refs > 0) {
2550 6480c871 2021-08-30 stsp remote->fetch_refs = recallocarray(NULL, 0,
2551 6480c871 2021-08-30 stsp iremote.nfetch_refs, sizeof(char *));
2552 6480c871 2021-08-30 stsp if (remote->fetch_refs == NULL) {
2553 6480c871 2021-08-30 stsp err = got_error_from_errno("calloc");
2554 6480c871 2021-08-30 stsp free_remote_data(remote);
2558 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2559 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_refs; i++) {
2560 99495ddb 2021-01-10 stsp char *ref;
2561 99495ddb 2021-01-10 stsp err = got_privsep_recv_gotconfig_str(&ref,
2563 99495ddb 2021-01-10 stsp if (err) {
2564 99495ddb 2021-01-10 stsp free_remote_data(remote);
2565 99495ddb 2021-01-10 stsp goto done;
2567 6480c871 2021-08-30 stsp remote->fetch_refs[i] = ref;
2568 6480c871 2021-08-30 stsp remote->nfetch_refs++;
2570 257add31 2020-09-09 stsp (*nremotes)++;
2573 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2577 257add31 2020-09-09 stsp imsg_free(&imsg);
2582 257add31 2020-09-09 stsp if (err) {
2584 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2585 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2586 257add31 2020-09-09 stsp free(*remotes);
2587 257add31 2020-09-09 stsp *remotes = NULL;
2588 257add31 2020-09-09 stsp *nremotes = 0;
2590 257add31 2020-09-09 stsp return err;
2593 257add31 2020-09-09 stsp const struct got_error *
2594 ca6e02ac 2020-01-07 stsp got_privsep_send_commit_traversal_request(struct imsgbuf *ibuf,
2595 abc59930 2021-09-05 naddy struct got_object_id *id, int idx, const char *path)
2597 ca6e02ac 2020-01-07 stsp struct ibuf *wbuf;
2598 ca6e02ac 2020-01-07 stsp size_t path_len = strlen(path) + 1;
2600 ca6e02ac 2020-01-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_COMMIT_TRAVERSAL_REQUEST, 0, 0,
2601 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_traversal_request) + path_len);
2602 ca6e02ac 2020-01-07 stsp if (wbuf == NULL)
2603 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
2604 ca6e02ac 2020-01-07 stsp "imsg_create COMMIT_TRAVERSAL_REQUEST");
2605 1453347d 2022-05-19 stsp if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1)
2606 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add "
2607 1453347d 2022-05-19 stsp "COMMIT_TRAVERSAL_REQUEST");
2608 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &idx, sizeof(idx)) == -1)
2609 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add "
2610 1453347d 2022-05-19 stsp "COMMIT_TRAVERSAL_REQUEST");
2611 1453347d 2022-05-19 stsp if (imsg_add(wbuf, path, path_len) == -1)
2612 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add "
2613 1453347d 2022-05-19 stsp "COMMIT_TRAVERSAL_REQUEST");
2615 ca6e02ac 2020-01-07 stsp wbuf->fd = -1;
2616 ca6e02ac 2020-01-07 stsp imsg_close(ibuf, wbuf);
2618 ca6e02ac 2020-01-07 stsp return flush_imsg(ibuf);
2621 ca6e02ac 2020-01-07 stsp const struct got_error *
2622 ca6e02ac 2020-01-07 stsp got_privsep_recv_traversed_commits(struct got_commit_object **changed_commit,
2623 ca6e02ac 2020-01-07 stsp struct got_object_id **changed_commit_id,
2624 ca6e02ac 2020-01-07 stsp struct got_object_id_queue *commit_ids, struct imsgbuf *ibuf)
2626 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
2627 ca6e02ac 2020-01-07 stsp struct imsg imsg;
2628 ca6e02ac 2020-01-07 stsp struct got_imsg_traversed_commits *icommits;
2629 ca6e02ac 2020-01-07 stsp size_t datalen;
2630 ca6e02ac 2020-01-07 stsp int i, done = 0;
2632 ca6e02ac 2020-01-07 stsp *changed_commit = NULL;
2633 ca6e02ac 2020-01-07 stsp *changed_commit_id = NULL;
2635 ca6e02ac 2020-01-07 stsp while (!done) {
2636 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2638 ca6e02ac 2020-01-07 stsp return err;
2640 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2641 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
2642 ca6e02ac 2020-01-07 stsp case GOT_IMSG_TRAVERSED_COMMITS:
2643 ca6e02ac 2020-01-07 stsp icommits = imsg.data;
2644 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommits) +
2645 ca6e02ac 2020-01-07 stsp icommits->ncommits * SHA1_DIGEST_LENGTH) {
2646 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2649 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommits->ncommits; i++) {
2650 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
2651 ca6e02ac 2020-01-07 stsp uint8_t *sha1 = (uint8_t *)imsg.data +
2652 ca6e02ac 2020-01-07 stsp sizeof(*icommits) + i * SHA1_DIGEST_LENGTH;
2653 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
2656 d7b5a0e8 2022-04-20 stsp memcpy(qid->id.sha1, sha1, SHA1_DIGEST_LENGTH);
2657 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(commit_ids, qid, entry);
2659 ca6e02ac 2020-01-07 stsp /* The last commit may contain a change. */
2660 ca6e02ac 2020-01-07 stsp if (i == icommits->ncommits - 1) {
2661 ca6e02ac 2020-01-07 stsp *changed_commit_id =
2662 d7b5a0e8 2022-04-20 stsp got_object_id_dup(&qid->id);
2663 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2664 ca6e02ac 2020-01-07 stsp err = got_error_from_errno(
2665 ca6e02ac 2020-01-07 stsp "got_object_id_dup");
2671 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
2672 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2673 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2676 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(changed_commit, &imsg,
2677 ca6e02ac 2020-01-07 stsp datalen, ibuf);
2679 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT_TRAVERSAL_DONE:
2683 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2687 ca6e02ac 2020-01-07 stsp imsg_free(&imsg);
2693 ca6e02ac 2020-01-07 stsp got_object_id_queue_free(commit_ids);
2694 ca6e02ac 2020-01-07 stsp return err;
2697 0ab4c957 2022-06-13 stsp const struct got_error *
2698 0ab4c957 2022-06-13 stsp got_privsep_send_enumerated_tree(size_t *totlen, struct imsgbuf *ibuf,
2699 0ab4c957 2022-06-13 stsp struct got_object_id *tree_id, const char *path,
2700 0ab4c957 2022-06-13 stsp struct got_parsed_tree_entry *entries, int nentries)
2702 0ab4c957 2022-06-13 stsp const struct got_error *err = NULL;
2703 0ab4c957 2022-06-13 stsp struct ibuf *wbuf;
2704 0ab4c957 2022-06-13 stsp size_t path_len = strlen(path);
2705 0ab4c957 2022-06-13 stsp size_t msglen;
2707 0ab4c957 2022-06-13 stsp msglen = sizeof(struct got_imsg_enumerated_tree) + path_len;
2708 0ab4c957 2022-06-13 stsp wbuf = imsg_create(ibuf, GOT_IMSG_ENUMERATED_TREE, 0, 0, msglen);
2709 0ab4c957 2022-06-13 stsp if (wbuf == NULL)
2710 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_create ENUMERATED_TREE");
2712 0ab4c957 2022-06-13 stsp if (imsg_add(wbuf, tree_id->sha1, SHA1_DIGEST_LENGTH) == -1)
2713 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_add ENUMERATED_TREE");
2714 0ab4c957 2022-06-13 stsp if (imsg_add(wbuf, &nentries, sizeof(nentries)) == -1)
2715 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_add ENUMERATED_TREE");
2716 0ab4c957 2022-06-13 stsp if (imsg_add(wbuf, path, path_len) == -1)
2717 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_add ENUMERATED_TREE");
2719 0ab4c957 2022-06-13 stsp wbuf->fd = -1;
2720 0ab4c957 2022-06-13 stsp imsg_close(ibuf, wbuf);
2722 0ab4c957 2022-06-13 stsp if (entries) {
2723 0ab4c957 2022-06-13 stsp err = send_tree_entries(ibuf, entries, nentries);
2725 0ab4c957 2022-06-13 stsp return err;
2728 0ab4c957 2022-06-13 stsp return flush_imsg(ibuf);
2731 67fd6849 2022-02-13 stsp const struct got_error *
2732 0ab4c957 2022-06-13 stsp got_privsep_send_object_enumeration_request(struct imsgbuf *ibuf)
2734 0ab4c957 2022-06-13 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_REQUEST,
2735 0ab4c957 2022-06-13 stsp 0, 0, -1, NULL, 0) == -1)
2736 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_compose "
2737 0ab4c957 2022-06-13 stsp "OBJECT_ENUMERATION_REQUEST");
2739 0ab4c957 2022-06-13 stsp return flush_imsg(ibuf);
2742 0ab4c957 2022-06-13 stsp const struct got_error *
2743 0ab4c957 2022-06-13 stsp got_privsep_send_object_enumeration_done(struct imsgbuf *ibuf)
2745 0ab4c957 2022-06-13 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_DONE,
2746 0ab4c957 2022-06-13 stsp 0, 0, -1, NULL, 0) == -1)
2747 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_compose "
2748 0ab4c957 2022-06-13 stsp "OBJECT_ENUMERATION_DONE");
2750 0ab4c957 2022-06-13 stsp return flush_imsg(ibuf);
2753 0ab4c957 2022-06-13 stsp const struct got_error *
2754 db9b9b1c 2022-06-14 stsp got_privsep_send_object_enumeration_incomplete(struct imsgbuf *ibuf)
2756 db9b9b1c 2022-06-14 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_INCOMPLETE,
2757 db9b9b1c 2022-06-14 stsp 0, 0, -1, NULL, 0) == -1)
2758 db9b9b1c 2022-06-14 stsp return got_error_from_errno("imsg_compose "
2759 db9b9b1c 2022-06-14 stsp "OBJECT_ENUMERATION_INCOMPLETE");
2761 db9b9b1c 2022-06-14 stsp return flush_imsg(ibuf);
2764 db9b9b1c 2022-06-14 stsp const struct got_error *
2765 0ab4c957 2022-06-13 stsp got_privsep_send_enumerated_commit(struct imsgbuf *ibuf,
2766 0ab4c957 2022-06-13 stsp struct got_object_id *id, time_t mtime)
2768 0ab4c957 2022-06-13 stsp struct ibuf *wbuf;
2770 0ab4c957 2022-06-13 stsp wbuf = imsg_create(ibuf, GOT_IMSG_ENUMERATED_COMMIT, 0, 0,
2771 0ab4c957 2022-06-13 stsp sizeof(struct got_imsg_enumerated_commit) + SHA1_DIGEST_LENGTH);
2772 0ab4c957 2022-06-13 stsp if (wbuf == NULL)
2773 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_create ENUMERATED_COMMIT");
2775 0ab4c957 2022-06-13 stsp /* Keep in sync with struct got_imsg_enumerated_commit! */
2776 0ab4c957 2022-06-13 stsp if (imsg_add(wbuf, id, SHA1_DIGEST_LENGTH) == -1)
2777 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_add ENUMERATED_COMMIT");
2778 0ab4c957 2022-06-13 stsp if (imsg_add(wbuf, &mtime, sizeof(mtime)) == -1)
2779 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_add ENUMERATED_COMMIT");
2781 0ab4c957 2022-06-13 stsp wbuf->fd = -1;
2782 0ab4c957 2022-06-13 stsp imsg_close(ibuf, wbuf);
2783 0ab4c957 2022-06-13 stsp /* Don't flush yet, tree entries or ENUMERATION_DONE will follow. */
2784 0ab4c957 2022-06-13 stsp return NULL;
2787 0ab4c957 2022-06-13 stsp const struct got_error *
2788 db9b9b1c 2022-06-14 stsp got_privsep_recv_enumerated_objects(int *found_all_objects,
2789 db9b9b1c 2022-06-14 stsp struct imsgbuf *ibuf,
2790 0ab4c957 2022-06-13 stsp got_object_enumerate_commit_cb cb_commit,
2791 0ab4c957 2022-06-13 stsp got_object_enumerate_tree_cb cb_tree, void *cb_arg,
2792 0ab4c957 2022-06-13 stsp struct got_repository *repo)
2794 0ab4c957 2022-06-13 stsp const struct got_error *err = NULL;
2795 0ab4c957 2022-06-13 stsp struct imsg imsg;
2796 0ab4c957 2022-06-13 stsp struct got_imsg_enumerated_commit *icommit = NULL;
2797 0ab4c957 2022-06-13 stsp struct got_object_id commit_id;
2798 0ab4c957 2022-06-13 stsp int have_commit = 0;
2799 0ab4c957 2022-06-13 stsp time_t mtime = 0;
2800 0ab4c957 2022-06-13 stsp struct got_tree_object tree;
2801 0ab4c957 2022-06-13 stsp struct got_imsg_enumerated_tree *itree;
2802 0ab4c957 2022-06-13 stsp struct got_object_id tree_id;
2803 0ab4c957 2022-06-13 stsp char *path = NULL, *canon_path = NULL;
2804 0ab4c957 2022-06-13 stsp size_t datalen, path_len;
2805 0ab4c957 2022-06-13 stsp int nentries = -1;
2806 0ab4c957 2022-06-13 stsp int done = 0;
2808 db9b9b1c 2022-06-14 stsp *found_all_objects = 0;
2809 0ab4c957 2022-06-13 stsp memset(&tree, 0, sizeof(tree));
2811 0ab4c957 2022-06-13 stsp while (!done) {
2812 0ab4c957 2022-06-13 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2816 0ab4c957 2022-06-13 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2817 0ab4c957 2022-06-13 stsp switch (imsg.hdr.type) {
2818 b4b1b9c0 2022-06-14 op case GOT_IMSG_ENUMERATED_COMMIT:
2819 0ab4c957 2022-06-13 stsp if (have_commit && nentries != -1) {
2820 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2823 0ab4c957 2022-06-13 stsp if (datalen != sizeof(*icommit)) {
2824 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2827 0ab4c957 2022-06-13 stsp icommit = (struct got_imsg_enumerated_commit *)imsg.data;
2828 0ab4c957 2022-06-13 stsp memcpy(commit_id.sha1, icommit->id, SHA1_DIGEST_LENGTH);
2829 0ab4c957 2022-06-13 stsp mtime = icommit->mtime;
2830 0ab4c957 2022-06-13 stsp have_commit = 1;
2832 0ab4c957 2022-06-13 stsp case GOT_IMSG_ENUMERATED_TREE:
2833 0ab4c957 2022-06-13 stsp /* Should be preceeded by GOT_IMSG_ENUMERATED_COMMIT. */
2834 0ab4c957 2022-06-13 stsp if (!have_commit) {
2835 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2838 0ab4c957 2022-06-13 stsp if (datalen < sizeof(*itree)) {
2839 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2842 0ab4c957 2022-06-13 stsp itree = imsg.data;
2843 0ab4c957 2022-06-13 stsp path_len = datalen - sizeof(*itree);
2844 0ab4c957 2022-06-13 stsp if (path_len == 0) {
2845 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2848 0ab4c957 2022-06-13 stsp memcpy(tree_id.sha1, itree->id, sizeof(tree_id.sha1));
2849 0ab4c957 2022-06-13 stsp free(path);
2850 0ab4c957 2022-06-13 stsp path = malloc(path_len + 1);
2851 0ab4c957 2022-06-13 stsp if (path == NULL) {
2852 0ab4c957 2022-06-13 stsp err = got_error_from_errno("malloc");
2855 0ab4c957 2022-06-13 stsp free(canon_path);
2856 0ab4c957 2022-06-13 stsp canon_path = malloc(path_len + 1);
2857 0ab4c957 2022-06-13 stsp if (canon_path == NULL) {
2858 0ab4c957 2022-06-13 stsp err = got_error_from_errno("malloc");
2861 0ab4c957 2022-06-13 stsp memcpy(path, (uint8_t *)imsg.data + sizeof(*itree),
2862 0ab4c957 2022-06-13 stsp path_len);
2863 0ab4c957 2022-06-13 stsp path[path_len] = '\0';
2864 0ab4c957 2022-06-13 stsp if (!got_path_is_absolute(path)) {
2865 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_BAD_PATH);
2868 0ab4c957 2022-06-13 stsp if (got_path_is_root_dir(path)) {
2869 0ab4c957 2022-06-13 stsp /* XXX check what got_canonpath() does wrong */
2870 0ab4c957 2022-06-13 stsp canon_path[0] = '/';
2871 0ab4c957 2022-06-13 stsp canon_path[1] = '\0';
2873 0ab4c957 2022-06-13 stsp err = got_canonpath(path, canon_path,
2874 0ab4c957 2022-06-13 stsp path_len + 1);
2878 0ab4c957 2022-06-13 stsp if (strcmp(path, canon_path) != 0) {
2879 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_BAD_PATH);
2882 0ab4c957 2022-06-13 stsp if (nentries != -1) {
2883 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2886 0ab4c957 2022-06-13 stsp if (itree->nentries < -1) {
2887 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2890 0ab4c957 2022-06-13 stsp if (itree->nentries == -1) {
2891 0ab4c957 2022-06-13 stsp /* Tree was not found in pack file. */
2893 0ab4c957 2022-06-13 stsp err = cb_tree(cb_arg, NULL, mtime, &tree_id,
2894 0ab4c957 2022-06-13 stsp path, repo);
2897 0ab4c957 2022-06-13 stsp if (itree->nentries > INT_MAX) {
2898 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2901 0ab4c957 2022-06-13 stsp tree.entries = calloc(itree->nentries,
2902 0ab4c957 2022-06-13 stsp sizeof(struct got_tree_entry));
2903 0ab4c957 2022-06-13 stsp if (tree.entries == NULL) {
2904 0ab4c957 2022-06-13 stsp err = got_error_from_errno("calloc");
2907 0ab4c957 2022-06-13 stsp if (itree->nentries == 0) {
2908 0ab4c957 2022-06-13 stsp err = cb_tree(cb_arg, &tree, mtime, &tree_id,
2909 0ab4c957 2022-06-13 stsp path, repo);
2913 0ab4c957 2022-06-13 stsp /* Prepare for next tree. */
2914 0ab4c957 2022-06-13 stsp free(tree.entries);
2915 0ab4c957 2022-06-13 stsp memset(&tree, 0, sizeof(tree));
2916 0ab4c957 2022-06-13 stsp nentries = -1;
2918 0ab4c957 2022-06-13 stsp tree.nentries = itree->nentries;
2919 0ab4c957 2022-06-13 stsp nentries = 0;
2922 0ab4c957 2022-06-13 stsp case GOT_IMSG_TREE_ENTRIES:
2923 0ab4c957 2022-06-13 stsp /* Should be preceeded by GOT_IMSG_ENUMERATED_TREE. */
2924 0ab4c957 2022-06-13 stsp if (nentries <= -1) {
2925 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2928 0ab4c957 2022-06-13 stsp err = recv_tree_entries(imsg.data, datalen,
2929 0ab4c957 2022-06-13 stsp &tree, &nentries);
2932 0ab4c957 2022-06-13 stsp if (tree.nentries == nentries) {
2933 0ab4c957 2022-06-13 stsp err = cb_tree(cb_arg, &tree, mtime, &tree_id,
2934 0ab4c957 2022-06-13 stsp path, repo);
2938 0ab4c957 2022-06-13 stsp /* Prepare for next tree. */
2939 0ab4c957 2022-06-13 stsp free(tree.entries);
2940 0ab4c957 2022-06-13 stsp memset(&tree, 0, sizeof(tree));
2941 0ab4c957 2022-06-13 stsp nentries = -1;
2944 0ab4c957 2022-06-13 stsp case GOT_IMSG_TREE_ENUMERATION_DONE:
2945 0ab4c957 2022-06-13 stsp /* All trees have been found and traversed. */
2946 0ab4c957 2022-06-13 stsp if (!have_commit || path == NULL || nentries != -1) {
2947 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2950 0ab4c957 2022-06-13 stsp err = cb_commit(cb_arg, mtime, &commit_id, repo);
2953 0ab4c957 2022-06-13 stsp have_commit = 0;
2955 0ab4c957 2022-06-13 stsp case GOT_IMSG_OBJECT_ENUMERATION_DONE:
2956 db9b9b1c 2022-06-14 stsp *found_all_objects = 1;
2959 db9b9b1c 2022-06-14 stsp case GOT_IMSG_OBJECT_ENUMERATION_INCOMPLETE:
2963 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2967 0ab4c957 2022-06-13 stsp imsg_free(&imsg);
2972 0ab4c957 2022-06-13 stsp free(path);
2973 0ab4c957 2022-06-13 stsp free(canon_path);
2974 0ab4c957 2022-06-13 stsp free(tree.entries);
2975 0ab4c957 2022-06-13 stsp return err;
2978 0ab4c957 2022-06-13 stsp const struct got_error *
2979 67fd6849 2022-02-13 stsp got_privsep_send_raw_delta_req(struct imsgbuf *ibuf, int idx,
2980 67fd6849 2022-02-13 stsp struct got_object_id *id)
2982 67fd6849 2022-02-13 stsp struct got_imsg_raw_delta_request dreq;
2984 67fd6849 2022-02-13 stsp dreq.idx = idx;
2985 67fd6849 2022-02-13 stsp memcpy(dreq.id, id->sha1, SHA1_DIGEST_LENGTH);
2987 67fd6849 2022-02-13 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_DELTA_REQUEST, 0, 0, -1,
2988 67fd6849 2022-02-13 stsp &dreq, sizeof(dreq)) == -1)
2989 67fd6849 2022-02-13 stsp return got_error_from_errno("imsg_compose RAW_DELTA_REQUEST");
2991 67fd6849 2022-02-13 stsp return flush_imsg(ibuf);
2994 67fd6849 2022-02-13 stsp const struct got_error *
2995 67fd6849 2022-02-13 stsp got_privsep_send_raw_delta_outfd(struct imsgbuf *ibuf, int fd)
2997 67fd6849 2022-02-13 stsp return send_fd(ibuf, GOT_IMSG_RAW_DELTA_OUTFD, fd);
3000 67fd6849 2022-02-13 stsp const struct got_error *
3001 67fd6849 2022-02-13 stsp got_privsep_send_raw_delta(struct imsgbuf *ibuf, uint64_t base_size,
3002 2d9e6abf 2022-05-04 stsp uint64_t result_size, off_t delta_size, off_t delta_compressed_size,
3003 2d9e6abf 2022-05-04 stsp off_t delta_offset, off_t delta_out_offset, struct got_object_id *base_id)
3005 67fd6849 2022-02-13 stsp struct got_imsg_raw_delta idelta;
3008 67fd6849 2022-02-13 stsp idelta.base_size = base_size;
3009 67fd6849 2022-02-13 stsp idelta.result_size = result_size;
3010 67fd6849 2022-02-13 stsp idelta.delta_size = delta_size;
3011 2d9e6abf 2022-05-04 stsp idelta.delta_compressed_size = delta_compressed_size;
3012 67fd6849 2022-02-13 stsp idelta.delta_offset = delta_offset;
3013 67fd6849 2022-02-13 stsp idelta.delta_out_offset = delta_out_offset;
3014 67fd6849 2022-02-13 stsp memcpy(idelta.base_id, base_id->sha1, SHA1_DIGEST_LENGTH);
3016 67fd6849 2022-02-13 stsp ret = imsg_compose(ibuf, GOT_IMSG_RAW_DELTA, 0, 0, -1,
3017 67fd6849 2022-02-13 stsp &idelta, sizeof(idelta));
3018 67fd6849 2022-02-13 stsp if (ret == -1)
3019 67fd6849 2022-02-13 stsp return got_error_from_errno("imsg_compose RAW_DELTA");
3021 67fd6849 2022-02-13 stsp return flush_imsg(ibuf);
3024 ca6e02ac 2020-01-07 stsp const struct got_error *
3025 67fd6849 2022-02-13 stsp got_privsep_recv_raw_delta(uint64_t *base_size, uint64_t *result_size,
3026 2d9e6abf 2022-05-04 stsp off_t *delta_size, off_t *delta_compressed_size, off_t *delta_offset,
3027 2d9e6abf 2022-05-04 stsp off_t *delta_out_offset, struct got_object_id **base_id, struct imsgbuf *ibuf)
3029 67fd6849 2022-02-13 stsp const struct got_error *err = NULL;
3030 67fd6849 2022-02-13 stsp struct imsg imsg;
3031 67fd6849 2022-02-13 stsp struct got_imsg_raw_delta *delta;
3032 67fd6849 2022-02-13 stsp size_t datalen;
3034 67fd6849 2022-02-13 stsp *base_size = 0;
3035 67fd6849 2022-02-13 stsp *result_size = 0;
3036 67fd6849 2022-02-13 stsp *delta_size = 0;
3037 2d9e6abf 2022-05-04 stsp *delta_compressed_size = 0;
3038 67fd6849 2022-02-13 stsp *delta_offset = 0;
3039 67fd6849 2022-02-13 stsp *delta_out_offset = 0;
3040 67fd6849 2022-02-13 stsp *base_id = NULL;
3042 67fd6849 2022-02-13 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3044 67fd6849 2022-02-13 stsp return err;
3046 67fd6849 2022-02-13 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3048 67fd6849 2022-02-13 stsp switch (imsg.hdr.type) {
3049 67fd6849 2022-02-13 stsp case GOT_IMSG_RAW_DELTA:
3050 67fd6849 2022-02-13 stsp if (datalen != sizeof(*delta)) {
3051 67fd6849 2022-02-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
3054 67fd6849 2022-02-13 stsp delta = imsg.data;
3055 67fd6849 2022-02-13 stsp *base_size = delta->base_size;
3056 67fd6849 2022-02-13 stsp *result_size = delta->result_size;
3057 67fd6849 2022-02-13 stsp *delta_size = delta->delta_size;
3058 2d9e6abf 2022-05-04 stsp *delta_compressed_size = delta->delta_compressed_size;
3059 67fd6849 2022-02-13 stsp *delta_offset = delta->delta_offset;
3060 67fd6849 2022-02-13 stsp *delta_out_offset = delta->delta_out_offset;
3061 67fd6849 2022-02-13 stsp *base_id = calloc(1, sizeof(**base_id));
3062 67fd6849 2022-02-13 stsp if (*base_id == NULL) {
3063 67fd6849 2022-02-13 stsp err = got_error_from_errno("malloc");
3066 67fd6849 2022-02-13 stsp memcpy((*base_id)->sha1, delta->base_id, SHA1_DIGEST_LENGTH);
3069 67fd6849 2022-02-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
3073 67fd6849 2022-02-13 stsp imsg_free(&imsg);
3075 67fd6849 2022-02-13 stsp if (err) {
3076 67fd6849 2022-02-13 stsp free(*base_id);
3077 67fd6849 2022-02-13 stsp *base_id = NULL;
3079 fae7e038 2022-05-07 stsp return err;
3082 0ab4c957 2022-06-13 stsp static const struct got_error *
3083 0ab4c957 2022-06-13 stsp send_idlist(struct imsgbuf *ibuf, struct got_object_id **ids, size_t nids)
3085 fae7e038 2022-05-07 stsp const struct got_error *err = NULL;
3086 fae7e038 2022-05-07 stsp struct got_imsg_object_idlist idlist;
3087 fae7e038 2022-05-07 stsp struct ibuf *wbuf;
3090 fae7e038 2022-05-07 stsp if (nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS)
3091 fae7e038 2022-05-07 stsp return got_error(GOT_ERR_NO_SPACE);
3093 fae7e038 2022-05-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_OBJ_ID_LIST, 0, 0,
3094 fae7e038 2022-05-07 stsp sizeof(idlist) + nids * sizeof(**ids));
3095 fae7e038 2022-05-07 stsp if (wbuf == NULL) {
3096 fae7e038 2022-05-07 stsp err = got_error_from_errno("imsg_create OBJ_ID_LIST");
3097 fae7e038 2022-05-07 stsp return err;
3100 fae7e038 2022-05-07 stsp idlist.nids = nids;
3101 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &idlist, sizeof(idlist)) == -1)
3102 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add OBJ_ID_LIST");
3104 fae7e038 2022-05-07 stsp for (i = 0; i < nids; i++) {
3105 fae7e038 2022-05-07 stsp struct got_object_id *id = ids[i];
3106 1453347d 2022-05-19 stsp if (imsg_add(wbuf, id, sizeof(*id)) == -1)
3107 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add OBJ_ID_LIST");
3110 fae7e038 2022-05-07 stsp wbuf->fd = -1;
3111 fae7e038 2022-05-07 stsp imsg_close(ibuf, wbuf);
3113 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
3116 fae7e038 2022-05-07 stsp const struct got_error *
3117 0ab4c957 2022-06-13 stsp got_privsep_send_object_idlist(struct imsgbuf *ibuf,
3118 0ab4c957 2022-06-13 stsp struct got_object_id **ids, size_t nids)
3120 0ab4c957 2022-06-13 stsp const struct got_error *err = NULL;
3121 0ab4c957 2022-06-13 stsp struct got_object_id *idlist[GOT_IMSG_OBJ_ID_LIST_MAX_NIDS];
3122 a5e587e0 2022-06-14 stsp int i, queued = 0;
3124 b4b1b9c0 2022-06-14 op for (i = 0; i < nids; i++) {
3125 a5e587e0 2022-06-14 stsp idlist[i % nitems(idlist)] = ids[i];
3127 afd31498 2022-06-14 stsp if (queued >= nitems(idlist)) {
3128 a5e587e0 2022-06-14 stsp err = send_idlist(ibuf, idlist, queued);
3130 0ab4c957 2022-06-13 stsp return err;
3131 a5e587e0 2022-06-14 stsp queued = 0;
3135 a5e587e0 2022-06-14 stsp if (queued > 0) {
3136 a5e587e0 2022-06-14 stsp err = send_idlist(ibuf, idlist, queued);
3138 0ab4c957 2022-06-13 stsp return err;
3141 0ab4c957 2022-06-13 stsp return NULL;
3144 0ab4c957 2022-06-13 stsp const struct got_error *
3145 fae7e038 2022-05-07 stsp got_privsep_send_object_idlist_done(struct imsgbuf *ibuf)
3147 fae7e038 2022-05-07 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJ_ID_LIST_DONE, 0, 0, -1, NULL, 0)
3149 fae7e038 2022-05-07 stsp return got_error_from_errno("imsg_compose OBJ_ID_LIST_DONE");
3151 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
3154 fae7e038 2022-05-07 stsp const struct got_error *
3155 fae7e038 2022-05-07 stsp got_privsep_recv_object_idlist(int *done, struct got_object_id **ids,
3156 fae7e038 2022-05-07 stsp size_t *nids, struct imsgbuf *ibuf)
3158 fae7e038 2022-05-07 stsp const struct got_error *err = NULL;
3159 fae7e038 2022-05-07 stsp struct imsg imsg;
3160 fae7e038 2022-05-07 stsp struct got_imsg_object_idlist *idlist;
3161 fae7e038 2022-05-07 stsp size_t datalen;
3163 fae7e038 2022-05-07 stsp *ids = NULL;
3164 fae7e038 2022-05-07 stsp *done = 0;
3165 fae7e038 2022-05-07 stsp *nids = 0;
3167 fae7e038 2022-05-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3169 fae7e038 2022-05-07 stsp return err;
3171 fae7e038 2022-05-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3172 fae7e038 2022-05-07 stsp switch (imsg.hdr.type) {
3173 fae7e038 2022-05-07 stsp case GOT_IMSG_OBJ_ID_LIST:
3174 fae7e038 2022-05-07 stsp if (datalen < sizeof(*idlist)) {
3175 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
3178 fae7e038 2022-05-07 stsp idlist = imsg.data;
3179 c98b0f0b 2022-06-14 op if (idlist->nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS ||
3180 c98b0f0b 2022-06-14 op idlist->nids * sizeof(**ids) > datalen - sizeof(*idlist)) {
3181 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
3184 fae7e038 2022-05-07 stsp *nids = idlist->nids;
3185 fae7e038 2022-05-07 stsp *ids = calloc(*nids, sizeof(**ids));
3186 fae7e038 2022-05-07 stsp if (*ids == NULL) {
3187 fae7e038 2022-05-07 stsp err = got_error_from_errno("calloc");
3190 0fca100c 2022-06-14 op memcpy(*ids, (uint8_t *)imsg.data + sizeof(*idlist),
3191 fae7e038 2022-05-07 stsp *nids * sizeof(**ids));
3193 fae7e038 2022-05-07 stsp case GOT_IMSG_OBJ_ID_LIST_DONE:
3194 fae7e038 2022-05-07 stsp *done = 1;
3197 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
3201 fae7e038 2022-05-07 stsp imsg_free(&imsg);
3203 fae7e038 2022-05-07 stsp return err;
3206 fae7e038 2022-05-07 stsp const struct got_error *
3207 fae7e038 2022-05-07 stsp got_privsep_send_delta_reuse_req(struct imsgbuf *ibuf)
3209 fae7e038 2022-05-07 stsp if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_REQUEST, 0, 0, -1, NULL, 0)
3211 fae7e038 2022-05-07 stsp return got_error_from_errno("imsg_compose DELTA_REUSE_REQUEST");
3213 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
3216 fae7e038 2022-05-07 stsp const struct got_error *
3217 fae7e038 2022-05-07 stsp got_privsep_send_reused_deltas(struct imsgbuf *ibuf,
3218 fae7e038 2022-05-07 stsp struct got_imsg_reused_delta *deltas, size_t ndeltas)
3220 fae7e038 2022-05-07 stsp const struct got_error *err = NULL;
3221 fae7e038 2022-05-07 stsp struct ibuf *wbuf;
3222 fae7e038 2022-05-07 stsp struct got_imsg_reused_deltas ideltas;
3225 fae7e038 2022-05-07 stsp if (ndeltas > GOT_IMSG_REUSED_DELTAS_MAX_NDELTAS)
3226 fae7e038 2022-05-07 stsp return got_error(GOT_ERR_NO_SPACE);
3228 fae7e038 2022-05-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_REUSED_DELTAS, 0, 0,
3229 fae7e038 2022-05-07 stsp sizeof(ideltas) + ndeltas * sizeof(*deltas));
3230 fae7e038 2022-05-07 stsp if (wbuf == NULL) {
3231 fae7e038 2022-05-07 stsp err = got_error_from_errno("imsg_create REUSED_DELTAS");
3232 fae7e038 2022-05-07 stsp return err;
3235 fae7e038 2022-05-07 stsp ideltas.ndeltas = ndeltas;
3236 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &ideltas, sizeof(ideltas)) == -1)
3237 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add REUSED_DELTAS");
3239 fae7e038 2022-05-07 stsp for (i = 0; i < ndeltas; i++) {
3240 fae7e038 2022-05-07 stsp struct got_imsg_reused_delta *delta = &deltas[i];
3241 1453347d 2022-05-19 stsp if (imsg_add(wbuf, delta, sizeof(*delta)) == -1)
3242 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add REUSED_DELTAS");
3245 fae7e038 2022-05-07 stsp wbuf->fd = -1;
3246 fae7e038 2022-05-07 stsp imsg_close(ibuf, wbuf);
3248 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
3251 fae7e038 2022-05-07 stsp const struct got_error *
3252 fae7e038 2022-05-07 stsp got_privsep_send_reused_deltas_done(struct imsgbuf *ibuf)
3254 fae7e038 2022-05-07 stsp if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_DONE, 0, 0, -1, NULL, 0)
3256 fae7e038 2022-05-07 stsp return got_error_from_errno("imsg_compose DELTA_REUSE_DONE");
3258 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
3261 fae7e038 2022-05-07 stsp const struct got_error *
3262 fae7e038 2022-05-07 stsp got_privsep_recv_reused_deltas(int *done, struct got_imsg_reused_delta *deltas,
3263 fae7e038 2022-05-07 stsp size_t *ndeltas, struct imsgbuf *ibuf)
3265 fae7e038 2022-05-07 stsp const struct got_error *err = NULL;
3266 fae7e038 2022-05-07 stsp struct imsg imsg;
3267 fae7e038 2022-05-07 stsp struct got_imsg_reused_deltas *ideltas;
3268 fae7e038 2022-05-07 stsp size_t datalen;
3270 fae7e038 2022-05-07 stsp *done = 0;
3271 fae7e038 2022-05-07 stsp *ndeltas = 0;
3273 fae7e038 2022-05-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3275 fae7e038 2022-05-07 stsp return err;
3277 fae7e038 2022-05-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3278 fae7e038 2022-05-07 stsp switch (imsg.hdr.type) {
3279 fae7e038 2022-05-07 stsp case GOT_IMSG_REUSED_DELTAS:
3280 fae7e038 2022-05-07 stsp if (datalen < sizeof(*ideltas)) {
3281 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
3284 fae7e038 2022-05-07 stsp ideltas = imsg.data;
3285 c98b0f0b 2022-06-14 op if (ideltas->ndeltas > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS ||
3286 c98b0f0b 2022-06-14 op ideltas->ndeltas * sizeof(*deltas) >
3287 c98b0f0b 2022-06-14 op datalen - sizeof(*ideltas)) {
3288 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
3291 fae7e038 2022-05-07 stsp *ndeltas = ideltas->ndeltas;
3292 0fca100c 2022-06-14 op memcpy(deltas, (uint8_t *)imsg.data + sizeof(*ideltas),
3293 fae7e038 2022-05-07 stsp *ndeltas * sizeof(*deltas));
3295 fae7e038 2022-05-07 stsp case GOT_IMSG_DELTA_REUSE_DONE:
3296 fae7e038 2022-05-07 stsp *done = 1;
3299 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
3303 fae7e038 2022-05-07 stsp imsg_free(&imsg);
3305 67fd6849 2022-02-13 stsp return err;
3308 67fd6849 2022-02-13 stsp const struct got_error *
3309 63219cd2 2019-01-04 stsp got_privsep_unveil_exec_helpers(void)
3311 c39c25dd 2019-08-09 stsp const char *helpers[] = {
3312 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_PACK,
3313 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_OBJECT,
3314 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_COMMIT,
3315 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TREE,
3316 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_BLOB,
3317 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TAG,
3318 aba9c984 2019-09-08 stsp GOT_PATH_PROG_READ_GITCONFIG,
3319 257add31 2020-09-09 stsp GOT_PATH_PROG_READ_GOTCONFIG,
3320 e9ce266e 2022-03-07 op GOT_PATH_PROG_READ_PATCH,
3321 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_FETCH_PACK,
3322 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_INDEX_PACK,
3323 f8a36e22 2021-08-26 stsp GOT_PATH_PROG_SEND_PACK,
3327 c39c25dd 2019-08-09 stsp for (i = 0; i < nitems(helpers); i++) {
3328 c39c25dd 2019-08-09 stsp if (unveil(helpers[i], "x") == 0)
3330 c39c25dd 2019-08-09 stsp return got_error_from_errno2("unveil", helpers[i]);
3333 63219cd2 2019-01-04 stsp return NULL;
3337 aba9c984 2019-09-08 stsp got_privsep_exec_child(int imsg_fds[2], const char *path, const char *repo_path)
3339 08578a35 2021-01-22 stsp if (close(imsg_fds[0]) == -1) {
3340 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3344 aba9c984 2019-09-08 stsp if (dup2(imsg_fds[1], GOT_IMSG_FD_CHILD) == -1) {
3345 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3349 4a55b231 2021-12-09 stsp closefrom(GOT_IMSG_FD_CHILD + 1);
3351 aba9c984 2019-09-08 stsp if (execl(path, path, repo_path, (char *)NULL) == -1) {
3352 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s: %s\n", getprogname(), path,
3353 aba9c984 2019-09-08 stsp strerror(errno));
