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 1a69d37f 2022-06-18 op memset(&iobj, 0, sizeof(iobj));
536 c59b3346 2018-09-11 stsp memcpy(iobj.id, obj->id.sha1, sizeof(iobj.id));
537 2178c42e 2018-04-22 stsp iobj.type = obj->type;
538 2178c42e 2018-04-22 stsp iobj.flags = obj->flags;
539 2178c42e 2018-04-22 stsp iobj.hdrlen = obj->hdrlen;
540 2178c42e 2018-04-22 stsp iobj.size = obj->size;
541 c59b3346 2018-09-11 stsp if (iobj.flags & GOT_OBJ_FLAG_PACKED) {
542 876c234b 2018-09-10 stsp iobj.pack_offset = obj->pack_offset;
543 c59b3346 2018-09-11 stsp iobj.pack_idx = obj->pack_idx;
546 2178c42e 2018-04-22 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT, 0, 0, -1, &iobj, sizeof(iobj))
548 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT");
550 c59b3346 2018-09-11 stsp return flush_imsg(ibuf);
553 cfd633c2 2018-09-10 stsp const struct got_error *
554 33501562 2020-03-18 stsp got_privsep_send_fetch_req(struct imsgbuf *ibuf, int fd,
555 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs, int fetch_all_branches,
556 abc59930 2021-09-05 naddy struct got_pathlist_head *wanted_branches,
557 abc59930 2021-09-05 naddy struct got_pathlist_head *wanted_refs, int list_refs_only, int verbosity)
559 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
560 33501562 2020-03-18 stsp struct ibuf *wbuf;
561 4ba14133 2020-03-20 stsp size_t len;
562 33501562 2020-03-18 stsp struct got_pathlist_entry *pe;
563 4ba14133 2020-03-20 stsp struct got_imsg_fetch_request fetchreq;
565 4ba14133 2020-03-20 stsp memset(&fetchreq, 0, sizeof(fetchreq));
566 4ba14133 2020-03-20 stsp fetchreq.fetch_all_branches = fetch_all_branches;
567 41b0de12 2020-03-21 stsp fetchreq.list_refs_only = list_refs_only;
568 2690194b 2020-03-21 stsp fetchreq.verbosity = verbosity;
569 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, have_refs, entry)
570 4ba14133 2020-03-20 stsp fetchreq.n_have_refs++;
571 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry)
572 4ba14133 2020-03-20 stsp fetchreq.n_wanted_branches++;
573 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry)
574 0e4002ca 2020-03-21 stsp fetchreq.n_wanted_refs++;
575 659e7fbd 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_request);
576 33501562 2020-03-18 stsp if (len >= MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
578 33501562 2020-03-18 stsp return got_error(GOT_ERR_NO_SPACE);
581 4ba14133 2020-03-20 stsp if (imsg_compose(ibuf, GOT_IMSG_FETCH_REQUEST, 0, 0, fd,
582 4ba14133 2020-03-20 stsp &fetchreq, sizeof(fetchreq)) == -1)
583 4ba14133 2020-03-20 stsp return got_error_from_errno(
584 4ba14133 2020-03-20 stsp "imsg_compose FETCH_SERVER_PROGRESS");
586 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
589 659e7fbd 2020-03-20 stsp return err;
593 33501562 2020-03-18 stsp TAILQ_FOREACH(pe, have_refs, entry) {
594 33501562 2020-03-18 stsp const char *name = pe->path;
595 33501562 2020-03-18 stsp size_t name_len = pe->path_len;
596 33501562 2020-03-18 stsp struct got_object_id *id = pe->data;
598 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_have_ref) + name_len;
599 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_HAVE_REF, 0, 0, len);
600 4ba14133 2020-03-20 stsp if (wbuf == NULL)
601 4ba14133 2020-03-20 stsp return got_error_from_errno("imsg_create FETCH_HAVE_REF");
603 33501562 2020-03-18 stsp /* Keep in sync with struct got_imsg_fetch_have_ref! */
604 1453347d 2022-05-19 stsp if (imsg_add(wbuf, id->sha1, sizeof(id->sha1)) == -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_len, sizeof(name_len)) == -1)
607 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add FETCH_HAVE_REF");
608 1453347d 2022-05-19 stsp if (imsg_add(wbuf, name, name_len) == -1)
609 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add FETCH_HAVE_REF");
611 4ba14133 2020-03-20 stsp wbuf->fd = -1;
612 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
613 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
615 4ba14133 2020-03-20 stsp return err;
618 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry) {
619 4ba14133 2020-03-20 stsp const char *name = pe->path;
620 4ba14133 2020-03-20 stsp size_t name_len = pe->path_len;
622 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_wanted_branch) + name_len;
623 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_BRANCH, 0, 0,
625 4ba14133 2020-03-20 stsp if (wbuf == NULL)
626 4ba14133 2020-03-20 stsp return got_error_from_errno(
627 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_BRANCH");
629 4ba14133 2020-03-20 stsp /* Keep in sync with struct got_imsg_fetch_wanted_branch! */
630 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
631 1453347d 2022-05-19 stsp return got_error_from_errno(
632 4ba14133 2020-03-20 stsp "imsg_add FETCH_WANTED_BRANCH");
633 1453347d 2022-05-19 stsp if (imsg_add(wbuf, name, name_len) == -1)
634 1453347d 2022-05-19 stsp return got_error_from_errno(
635 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_BRANCH");
637 4ba14133 2020-03-20 stsp wbuf->fd = -1;
638 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
639 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
641 4ba14133 2020-03-20 stsp return err;
644 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry) {
645 0e4002ca 2020-03-21 stsp const char *name = pe->path;
646 0e4002ca 2020-03-21 stsp size_t name_len = pe->path_len;
648 0e4002ca 2020-03-21 stsp len = sizeof(struct got_imsg_fetch_wanted_ref) + name_len;
649 0e4002ca 2020-03-21 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_REF, 0, 0,
651 0e4002ca 2020-03-21 stsp if (wbuf == NULL)
652 0e4002ca 2020-03-21 stsp return got_error_from_errno(
653 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_REF");
655 0e4002ca 2020-03-21 stsp /* Keep in sync with struct got_imsg_fetch_wanted_ref! */
656 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
657 1453347d 2022-05-19 stsp return got_error_from_errno(
658 0e4002ca 2020-03-21 stsp "imsg_add FETCH_WANTED_REF");
659 1453347d 2022-05-19 stsp if (imsg_add(wbuf, name, name_len) == -1)
660 1453347d 2022-05-19 stsp return got_error_from_errno(
661 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_REF");
663 0e4002ca 2020-03-21 stsp wbuf->fd = -1;
664 0e4002ca 2020-03-21 stsp imsg_close(ibuf, wbuf);
665 0e4002ca 2020-03-21 stsp err = flush_imsg(ibuf);
667 0e4002ca 2020-03-21 stsp return err;
671 4ba14133 2020-03-20 stsp return NULL;
675 93658fb9 2020-03-18 stsp const struct got_error *
676 f826addf 2020-03-18 stsp got_privsep_send_fetch_outfd(struct imsgbuf *ibuf, int fd)
678 f826addf 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_FETCH_OUTFD, fd);
681 531c3985 2020-03-18 stsp const struct got_error *
682 8f2d01a6 2020-03-18 stsp got_privsep_recv_fetch_progress(int *done, struct got_object_id **id,
683 531c3985 2020-03-18 stsp char **refname, struct got_pathlist_head *symrefs, char **server_progress,
684 1d72a2a0 2020-03-24 stsp off_t *packfile_size, uint8_t *pack_sha1, struct imsgbuf *ibuf)
686 b9f99abf 2020-03-18 stsp const struct got_error *err = NULL;
687 b9f99abf 2020-03-18 stsp struct imsg imsg;
688 b9f99abf 2020-03-18 stsp size_t datalen;
689 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symrefs *isymrefs = NULL;
690 abe0f35f 2020-03-18 stsp size_t n, remain;
695 8f2d01a6 2020-03-18 stsp *id = NULL;
696 b9f99abf 2020-03-18 stsp *refname = NULL;
697 531c3985 2020-03-18 stsp *server_progress = NULL;
698 5a489642 2020-03-19 stsp *packfile_size = 0;
699 1d72a2a0 2020-03-24 stsp memset(pack_sha1, 0, SHA1_DIGEST_LENGTH);
701 531c3985 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
703 b9f99abf 2020-03-18 stsp return err;
705 b9f99abf 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
706 b9f99abf 2020-03-18 stsp switch (imsg.hdr.type) {
707 b9f99abf 2020-03-18 stsp case GOT_IMSG_ERROR:
708 b9f99abf 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
710 abe0f35f 2020-03-18 stsp case GOT_IMSG_FETCH_SYMREFS:
711 abe0f35f 2020-03-18 stsp if (datalen < sizeof(*isymrefs)) {
712 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
715 abe0f35f 2020-03-18 stsp if (isymrefs != NULL) {
716 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
719 abe0f35f 2020-03-18 stsp isymrefs = (struct got_imsg_fetch_symrefs *)imsg.data;
720 abe0f35f 2020-03-18 stsp off = sizeof(*isymrefs);
721 abe0f35f 2020-03-18 stsp remain = datalen - off;
722 abe0f35f 2020-03-18 stsp for (n = 0; n < isymrefs->nsymrefs; n++) {
723 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symref *s;
724 abe0f35f 2020-03-18 stsp char *name, *target;
725 abe0f35f 2020-03-18 stsp if (remain < sizeof(struct got_imsg_fetch_symref)) {
726 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
729 abe0f35f 2020-03-18 stsp s = (struct got_imsg_fetch_symref *)(imsg.data + off);
730 abe0f35f 2020-03-18 stsp off += sizeof(*s);
731 abe0f35f 2020-03-18 stsp remain -= sizeof(*s);
732 abe0f35f 2020-03-18 stsp if (remain < s->name_len) {
733 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
736 abe0f35f 2020-03-18 stsp name = strndup(imsg.data + off, s->name_len);
737 abe0f35f 2020-03-18 stsp if (name == NULL) {
738 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
741 abe0f35f 2020-03-18 stsp off += s->name_len;
742 abe0f35f 2020-03-18 stsp remain -= s->name_len;
743 abe0f35f 2020-03-18 stsp if (remain < s->target_len) {
744 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
745 abe0f35f 2020-03-18 stsp free(name);
748 abe0f35f 2020-03-18 stsp target = strndup(imsg.data + off, s->target_len);
749 abe0f35f 2020-03-18 stsp if (target == NULL) {
750 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
751 abe0f35f 2020-03-18 stsp free(name);
754 abe0f35f 2020-03-18 stsp off += s->target_len;
755 abe0f35f 2020-03-18 stsp remain -= s->target_len;
756 abe0f35f 2020-03-18 stsp err = got_pathlist_append(symrefs, name, target);
758 abe0f35f 2020-03-18 stsp free(name);
759 abe0f35f 2020-03-18 stsp free(target);
764 ea7396b9 2020-03-18 stsp case GOT_IMSG_FETCH_REF:
765 531c3985 2020-03-18 stsp if (datalen <= SHA1_DIGEST_LENGTH) {
766 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
769 8f2d01a6 2020-03-18 stsp *id = malloc(sizeof(**id));
770 8f2d01a6 2020-03-18 stsp if (*id == NULL) {
771 b9f99abf 2020-03-18 stsp err = got_error_from_errno("malloc");
774 8f2d01a6 2020-03-18 stsp memcpy((*id)->sha1, imsg.data, SHA1_DIGEST_LENGTH);
775 b9f99abf 2020-03-18 stsp *refname = strndup(imsg.data + SHA1_DIGEST_LENGTH,
776 b9f99abf 2020-03-18 stsp datalen - SHA1_DIGEST_LENGTH);
777 b9f99abf 2020-03-18 stsp if (*refname == NULL) {
778 b9f99abf 2020-03-18 stsp err = got_error_from_errno("strndup");
782 531c3985 2020-03-18 stsp case GOT_IMSG_FETCH_SERVER_PROGRESS:
783 531c3985 2020-03-18 stsp if (datalen == 0) {
784 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
787 531c3985 2020-03-18 stsp *server_progress = strndup(imsg.data, datalen);
788 531c3985 2020-03-18 stsp if (*server_progress == NULL) {
789 531c3985 2020-03-18 stsp err = got_error_from_errno("strndup");
792 531c3985 2020-03-18 stsp for (i = 0; i < datalen; i++) {
793 531c3985 2020-03-18 stsp if (!isprint((unsigned char)(*server_progress)[i]) &&
794 531c3985 2020-03-18 stsp !isspace((unsigned char)(*server_progress)[i])) {
795 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
796 531c3985 2020-03-18 stsp free(*server_progress);
797 531c3985 2020-03-18 stsp *server_progress = NULL;
802 d2cdc636 2020-03-18 stsp case GOT_IMSG_FETCH_DOWNLOAD_PROGRESS:
803 d2cdc636 2020-03-18 stsp if (datalen < sizeof(*packfile_size)) {
804 d2cdc636 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
807 d2cdc636 2020-03-18 stsp memcpy(packfile_size, imsg.data, sizeof(*packfile_size));
809 8f2d01a6 2020-03-18 stsp case GOT_IMSG_FETCH_DONE:
810 8f2d01a6 2020-03-18 stsp if (datalen != SHA1_DIGEST_LENGTH) {
811 8f2d01a6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
814 1d72a2a0 2020-03-24 stsp memcpy(pack_sha1, imsg.data, SHA1_DIGEST_LENGTH);
818 b887aab6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
824 8f2d01a6 2020-03-18 stsp *id = NULL;
825 b887aab6 2020-03-18 stsp free(*refname);
826 b887aab6 2020-03-18 stsp *refname = NULL;
828 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
829 f8a36e22 2021-08-26 stsp return err;
832 f8a36e22 2021-08-26 stsp static const struct got_error *
833 f8a36e22 2021-08-26 stsp send_send_ref(const char *name, size_t name_len, struct got_object_id *id,
834 f8a36e22 2021-08-26 stsp int delete, struct imsgbuf *ibuf)
836 f8a36e22 2021-08-26 stsp size_t len;
837 f8a36e22 2021-08-26 stsp struct ibuf *wbuf;
839 f8a36e22 2021-08-26 stsp len = sizeof(struct got_imsg_send_ref) + name_len;
840 f8a36e22 2021-08-26 stsp wbuf = imsg_create(ibuf, GOT_IMSG_SEND_REF, 0, 0, len);
841 f8a36e22 2021-08-26 stsp if (wbuf == NULL)
842 f8a36e22 2021-08-26 stsp return got_error_from_errno("imsg_create SEND_REF");
844 f8a36e22 2021-08-26 stsp /* Keep in sync with struct got_imsg_send_ref! */
845 1453347d 2022-05-19 stsp if (imsg_add(wbuf, id->sha1, sizeof(id->sha1)) == -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, &delete, sizeof(delete)) == -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_len, sizeof(name_len)) == -1)
850 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add SEND_REF");
851 1453347d 2022-05-19 stsp if (imsg_add(wbuf, name, name_len) == -1)
852 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add SEND_REF");
854 f8a36e22 2021-08-26 stsp wbuf->fd = -1;
855 f8a36e22 2021-08-26 stsp imsg_close(ibuf, wbuf);
856 f8a36e22 2021-08-26 stsp return flush_imsg(ibuf);
859 f8a36e22 2021-08-26 stsp const struct got_error *
860 f8a36e22 2021-08-26 stsp got_privsep_send_send_req(struct imsgbuf *ibuf, int fd,
861 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs,
862 abc59930 2021-09-05 naddy struct got_pathlist_head *delete_refs,
863 abc59930 2021-09-05 naddy int verbosity)
865 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
866 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *pe;
867 f8a36e22 2021-08-26 stsp struct got_imsg_send_request sendreq;
868 f8a36e22 2021-08-26 stsp struct got_object_id zero_id;
870 f8a36e22 2021-08-26 stsp memset(&zero_id, 0, sizeof(zero_id));
871 f8a36e22 2021-08-26 stsp memset(&sendreq, 0, sizeof(sendreq));
872 f8a36e22 2021-08-26 stsp sendreq.verbosity = verbosity;
873 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry)
874 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
875 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry)
876 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
877 f8a36e22 2021-08-26 stsp if (imsg_compose(ibuf, GOT_IMSG_SEND_REQUEST, 0, 0, fd,
878 f8a36e22 2021-08-26 stsp &sendreq, sizeof(sendreq)) == -1) {
879 f8a36e22 2021-08-26 stsp err = got_error_from_errno(
880 f8a36e22 2021-08-26 stsp "imsg_compose FETCH_SERVER_PROGRESS");
884 f8a36e22 2021-08-26 stsp err = flush_imsg(ibuf);
889 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry) {
890 f8a36e22 2021-08-26 stsp const char *name = pe->path;
891 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
892 f8a36e22 2021-08-26 stsp struct got_object_id *id = pe->data;
893 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, id, 0, ibuf);
898 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry) {
899 f8a36e22 2021-08-26 stsp const char *name = pe->path;
900 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
901 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, &zero_id, 1, ibuf);
906 f8a36e22 2021-08-26 stsp if (fd != -1 && close(fd) == -1 && err == NULL)
907 f8a36e22 2021-08-26 stsp err = got_error_from_errno("close");
908 f8a36e22 2021-08-26 stsp return err;
912 f8a36e22 2021-08-26 stsp const struct got_error *
913 f8a36e22 2021-08-26 stsp got_privsep_recv_send_remote_refs(struct got_pathlist_head *remote_refs,
914 f8a36e22 2021-08-26 stsp struct imsgbuf *ibuf)
916 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
917 f8a36e22 2021-08-26 stsp struct imsg imsg;
918 f8a36e22 2021-08-26 stsp size_t datalen;
919 f8a36e22 2021-08-26 stsp int done = 0;
920 f8a36e22 2021-08-26 stsp struct got_imsg_send_remote_ref iremote_ref;
921 f8a36e22 2021-08-26 stsp struct got_object_id *id = NULL;
922 f8a36e22 2021-08-26 stsp char *refname = NULL;
923 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *new;
925 f8a36e22 2021-08-26 stsp while (!done) {
926 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
928 f8a36e22 2021-08-26 stsp return err;
929 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
930 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
931 f8a36e22 2021-08-26 stsp case GOT_IMSG_ERROR:
932 f8a36e22 2021-08-26 stsp err = recv_imsg_error(&imsg, datalen);
934 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REMOTE_REF:
935 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iremote_ref)) {
936 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
939 f8a36e22 2021-08-26 stsp memcpy(&iremote_ref, imsg.data, sizeof(iremote_ref));
940 f8a36e22 2021-08-26 stsp if (datalen != sizeof(iremote_ref) +
941 f8a36e22 2021-08-26 stsp iremote_ref.name_len) {
942 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
945 f8a36e22 2021-08-26 stsp id = malloc(sizeof(*id));
946 f8a36e22 2021-08-26 stsp if (id == NULL) {
947 f8a36e22 2021-08-26 stsp err = got_error_from_errno("malloc");
950 f8a36e22 2021-08-26 stsp memcpy(id->sha1, iremote_ref.id, SHA1_DIGEST_LENGTH);
951 f8a36e22 2021-08-26 stsp refname = strndup(imsg.data + sizeof(iremote_ref),
952 f8a36e22 2021-08-26 stsp datalen - sizeof(iremote_ref));
953 f8a36e22 2021-08-26 stsp if (refname == NULL) {
954 f8a36e22 2021-08-26 stsp err = got_error_from_errno("strndup");
957 f8a36e22 2021-08-26 stsp err = got_pathlist_insert(&new, remote_refs,
958 f8a36e22 2021-08-26 stsp refname, id);
961 f8a36e22 2021-08-26 stsp if (new == NULL) { /* duplicate which wasn't inserted */
963 f8a36e22 2021-08-26 stsp free(refname);
966 f8a36e22 2021-08-26 stsp refname = NULL;
968 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_PACK_REQUEST:
969 f8a36e22 2021-08-26 stsp if (datalen != 0) {
970 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
973 f8a36e22 2021-08-26 stsp /* got-send-pack is now waiting for a pack file. */
977 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
983 f8a36e22 2021-08-26 stsp free(refname);
984 b9f99abf 2020-03-18 stsp imsg_free(&imsg);
985 b9f99abf 2020-03-18 stsp return err;
988 93658fb9 2020-03-18 stsp const struct got_error *
989 f8a36e22 2021-08-26 stsp got_privsep_send_packfd(struct imsgbuf *ibuf, int fd)
991 f8a36e22 2021-08-26 stsp return send_fd(ibuf, GOT_IMSG_SEND_PACKFD, fd);
994 f8a36e22 2021-08-26 stsp const struct got_error *
995 f8a36e22 2021-08-26 stsp got_privsep_recv_send_progress(int *done, off_t *bytes_sent,
996 f8a36e22 2021-08-26 stsp int *success, char **refname, struct imsgbuf *ibuf)
998 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
999 f8a36e22 2021-08-26 stsp struct imsg imsg;
1000 f8a36e22 2021-08-26 stsp size_t datalen;
1001 f8a36e22 2021-08-26 stsp struct got_imsg_send_ref_status iref_status;
1003 f8a36e22 2021-08-26 stsp /* Do not reset the current value of 'bytes_sent', it accumulates. */
1004 f8a36e22 2021-08-26 stsp *done = 0;
1005 f8a36e22 2021-08-26 stsp *success = 0;
1006 f8a36e22 2021-08-26 stsp *refname = NULL;
1008 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1010 f8a36e22 2021-08-26 stsp return err;
1012 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1013 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
1014 f8a36e22 2021-08-26 stsp case GOT_IMSG_ERROR:
1015 f8a36e22 2021-08-26 stsp err = recv_imsg_error(&imsg, datalen);
1017 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_UPLOAD_PROGRESS:
1018 f8a36e22 2021-08-26 stsp if (datalen < sizeof(*bytes_sent)) {
1019 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1022 f8a36e22 2021-08-26 stsp memcpy(bytes_sent, imsg.data, sizeof(*bytes_sent));
1024 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REF_STATUS:
1025 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iref_status)) {
1026 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1029 f8a36e22 2021-08-26 stsp memcpy(&iref_status, imsg.data, sizeof(iref_status));
1030 f8a36e22 2021-08-26 stsp if (datalen != sizeof(iref_status) + iref_status.name_len) {
1031 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1034 f8a36e22 2021-08-26 stsp *success = iref_status.success;
1035 f8a36e22 2021-08-26 stsp *refname = strndup(imsg.data + sizeof(iref_status),
1036 f8a36e22 2021-08-26 stsp iref_status.name_len);
1038 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_DONE:
1039 f8a36e22 2021-08-26 stsp if (datalen != 0) {
1040 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1043 f8a36e22 2021-08-26 stsp *done = 1;
1046 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1050 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
1051 f8a36e22 2021-08-26 stsp return err;
1054 f8a36e22 2021-08-26 stsp const struct got_error *
1055 fd251256 2020-03-24 stsp got_privsep_send_index_pack_req(struct imsgbuf *ibuf, uint8_t *pack_sha1,
1058 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1060 668a20f6 2020-03-18 stsp /* Keep in sync with struct got_imsg_index_pack_request */
1061 93658fb9 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_IDXPACK_REQUEST, 0, 0, fd,
1062 fd251256 2020-03-24 stsp pack_sha1, SHA1_DIGEST_LENGTH) == -1) {
1063 93658fb9 2020-03-18 stsp err = got_error_from_errno("imsg_compose INDEX_REQUEST");
1064 93658fb9 2020-03-18 stsp close(fd);
1065 93658fb9 2020-03-18 stsp return err;
1067 baa9fea0 2020-03-18 stsp return flush_imsg(ibuf);
1070 baa9fea0 2020-03-18 stsp const struct got_error *
1071 73ab1060 2020-03-18 stsp got_privsep_send_index_pack_outfd(struct imsgbuf *ibuf, int fd)
1073 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_IDXPACK_OUTFD, fd);
1076 73ab1060 2020-03-18 stsp const struct got_error *
1077 668a20f6 2020-03-18 stsp got_privsep_recv_index_progress(int *done, int *nobj_total,
1078 668a20f6 2020-03-18 stsp int *nobj_indexed, int *nobj_loose, int *nobj_resolved,
1079 668a20f6 2020-03-18 stsp struct imsgbuf *ibuf)
1081 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1082 93658fb9 2020-03-18 stsp struct imsg imsg;
1083 baa9fea0 2020-03-18 stsp struct got_imsg_index_pack_progress *iprogress;
1084 baa9fea0 2020-03-18 stsp size_t datalen;
1086 baa9fea0 2020-03-18 stsp *done = 0;
1087 668a20f6 2020-03-18 stsp *nobj_total = 0;
1088 668a20f6 2020-03-18 stsp *nobj_indexed = 0;
1089 668a20f6 2020-03-18 stsp *nobj_resolved = 0;
1091 93658fb9 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1093 93658fb9 2020-03-18 stsp return err;
1095 baa9fea0 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1096 baa9fea0 2020-03-18 stsp switch (imsg.hdr.type) {
1097 baa9fea0 2020-03-18 stsp case GOT_IMSG_ERROR:
1098 baa9fea0 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
1100 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_PROGRESS:
1101 baa9fea0 2020-03-18 stsp if (datalen < sizeof(*iprogress)) {
1102 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1105 baa9fea0 2020-03-18 stsp iprogress = (struct got_imsg_index_pack_progress *)imsg.data;
1106 c98b0f0b 2022-06-14 op if (iprogress->nobj_total < 0 || iprogress->nobj_indexed < 0 ||
1107 c98b0f0b 2022-06-14 op iprogress->nobj_loose < 0 || iprogress->nobj_resolved < 0) {
1108 c98b0f0b 2022-06-14 op err = got_error(GOT_ERR_RANGE);
1111 668a20f6 2020-03-18 stsp *nobj_total = iprogress->nobj_total;
1112 668a20f6 2020-03-18 stsp *nobj_indexed = iprogress->nobj_indexed;
1113 668a20f6 2020-03-18 stsp *nobj_loose = iprogress->nobj_loose;
1114 668a20f6 2020-03-18 stsp *nobj_resolved = iprogress->nobj_resolved;
1116 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_DONE:
1117 baa9fea0 2020-03-18 stsp if (datalen != 0) {
1118 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1121 baa9fea0 2020-03-18 stsp *done = 1;
1124 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1128 93658fb9 2020-03-18 stsp imsg_free(&imsg);
1129 baa9fea0 2020-03-18 stsp return err;
1132 93658fb9 2020-03-18 stsp const struct got_error *
1133 cfd633c2 2018-09-10 stsp got_privsep_get_imsg_obj(struct got_object **obj, struct imsg *imsg,
1134 cfd633c2 2018-09-10 stsp struct imsgbuf *ibuf)
1136 291624d8 2018-11-07 stsp struct got_imsg_object *iobj;
1137 cfd633c2 2018-09-10 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1139 291624d8 2018-11-07 stsp if (datalen != sizeof(*iobj))
1140 cfd633c2 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1141 291624d8 2018-11-07 stsp iobj = imsg->data;
1143 c98b0f0b 2022-06-14 op if (iobj->pack_offset < 0)
1144 c98b0f0b 2022-06-14 op return got_error(GOT_ERR_PACK_OFFSET);
1146 cfd633c2 2018-09-10 stsp *obj = calloc(1, sizeof(**obj));
1147 cfd633c2 2018-09-10 stsp if (*obj == NULL)
1148 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
1150 291624d8 2018-11-07 stsp memcpy((*obj)->id.sha1, iobj->id, SHA1_DIGEST_LENGTH);
1151 291624d8 2018-11-07 stsp (*obj)->type = iobj->type;
1152 291624d8 2018-11-07 stsp (*obj)->flags = iobj->flags;
1153 291624d8 2018-11-07 stsp (*obj)->hdrlen = iobj->hdrlen;
1154 291624d8 2018-11-07 stsp (*obj)->size = iobj->size;
1155 c59b3346 2018-09-11 stsp /* path_packfile is handled by caller */
1156 291624d8 2018-11-07 stsp if (iobj->flags & GOT_OBJ_FLAG_PACKED) {
1157 291624d8 2018-11-07 stsp (*obj)->pack_offset = iobj->pack_offset;
1158 291624d8 2018-11-07 stsp (*obj)->pack_idx = iobj->pack_idx;
1160 d1b988e3 2022-01-26 stsp STAILQ_INIT(&(*obj)->deltas.entries);
1161 9296b03b 2022-01-26 stsp return NULL;
1164 2178c42e 2018-04-22 stsp const struct got_error *
1165 2178c42e 2018-04-22 stsp got_privsep_recv_obj(struct got_object **obj, struct imsgbuf *ibuf)
1167 2178c42e 2018-04-22 stsp const struct got_error *err = NULL;
1168 2178c42e 2018-04-22 stsp struct imsg imsg;
1169 c4eae628 2018-04-23 stsp const size_t min_datalen =
1170 c4eae628 2018-04-23 stsp MIN(sizeof(struct got_imsg_error), sizeof(struct got_imsg_object));
1172 2178c42e 2018-04-22 stsp *obj = NULL;
1174 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1176 2178c42e 2018-04-22 stsp return err;
1178 2178c42e 2018-04-22 stsp switch (imsg.hdr.type) {
1179 2178c42e 2018-04-22 stsp case GOT_IMSG_OBJECT:
1180 cfd633c2 2018-09-10 stsp err = got_privsep_get_imsg_obj(obj, &imsg, ibuf);
1183 bff6ca00 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1187 bff6ca00 2018-04-23 stsp imsg_free(&imsg);
1189 bff6ca00 2018-04-23 stsp return err;
1192 c75f7264 2018-09-11 stsp static const struct got_error *
1193 c75f7264 2018-09-11 stsp send_commit_logmsg(struct imsgbuf *ibuf, struct got_commit_object *commit,
1194 c75f7264 2018-09-11 stsp size_t logmsg_len)
1196 fa4ffeb3 2018-11-04 stsp const struct got_error *err = NULL;
1197 c75f7264 2018-09-11 stsp size_t offset, remain;
1199 c75f7264 2018-09-11 stsp offset = 0;
1200 c75f7264 2018-09-11 stsp remain = logmsg_len;
1201 c75f7264 2018-09-11 stsp while (remain > 0) {
1202 c75f7264 2018-09-11 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1204 c75f7264 2018-09-11 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_LOGMSG, 0, 0, -1,
1205 fa4ffeb3 2018-11-04 stsp commit->logmsg + offset, n) == -1) {
1206 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose "
1207 230a42bd 2019-05-11 jcs "COMMIT_LOGMSG");
1211 fa4ffeb3 2018-11-04 stsp err = flush_imsg(ibuf);
1215 c75f7264 2018-09-11 stsp offset += n;
1216 c75f7264 2018-09-11 stsp remain -= n;
1219 fa4ffeb3 2018-11-04 stsp return err;
1222 bff6ca00 2018-04-23 stsp const struct got_error *
1223 068fd2bf 2018-04-24 stsp got_privsep_send_commit(struct imsgbuf *ibuf, struct got_commit_object *commit)
1225 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1226 b9c33926 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1227 bff6ca00 2018-04-23 stsp uint8_t *buf;
1228 bff6ca00 2018-04-23 stsp size_t len, total;
1229 79f35eb3 2018-06-11 stsp struct got_object_qid *qid;
1230 b9c33926 2018-11-07 stsp size_t author_len = strlen(commit->author);
1231 b9c33926 2018-11-07 stsp size_t committer_len = strlen(commit->committer);
1232 c75f7264 2018-09-11 stsp size_t logmsg_len = strlen(commit->logmsg);
1234 b9c33926 2018-11-07 stsp total = sizeof(*icommit) + author_len + committer_len +
1235 b9c33926 2018-11-07 stsp commit->nparents * SHA1_DIGEST_LENGTH;
1237 bff6ca00 2018-04-23 stsp buf = malloc(total);
1238 bff6ca00 2018-04-23 stsp if (buf == NULL)
1239 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1241 b9c33926 2018-11-07 stsp icommit = (struct got_imsg_commit_object *)buf;
1242 a7403916 2018-12-24 stsp memcpy(icommit->tree_id, commit->tree_id->sha1,
1243 a7403916 2018-12-24 stsp sizeof(icommit->tree_id));
1244 b9c33926 2018-11-07 stsp icommit->author_len = author_len;
1245 b9c33926 2018-11-07 stsp icommit->author_time = commit->author_time;
1246 b9c33926 2018-11-07 stsp icommit->author_gmtoff = commit->author_gmtoff;
1247 b9c33926 2018-11-07 stsp icommit->committer_len = committer_len;
1248 b9c33926 2018-11-07 stsp icommit->committer_time = commit->committer_time;
1249 b9c33926 2018-11-07 stsp icommit->committer_gmtoff = commit->committer_gmtoff;
1250 b9c33926 2018-11-07 stsp icommit->logmsg_len = logmsg_len;
1251 b9c33926 2018-11-07 stsp icommit->nparents = commit->nparents;
1253 b9c33926 2018-11-07 stsp len = sizeof(*icommit);
1254 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->author, author_len);
1255 b9c33926 2018-11-07 stsp len += author_len;
1256 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->committer, committer_len);
1257 b9c33926 2018-11-07 stsp len += committer_len;
1258 dbdddfee 2021-06-23 naddy STAILQ_FOREACH(qid, &commit->parent_ids, entry) {
1259 d7b5a0e8 2022-04-20 stsp memcpy(buf + len, &qid->id, SHA1_DIGEST_LENGTH);
1260 86acc566 2018-04-23 stsp len += SHA1_DIGEST_LENGTH;
1263 bff6ca00 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT, 0, 0, -1, buf, len) == -1) {
1264 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT");
1265 bff6ca00 2018-04-23 stsp goto done;
1268 904df868 2018-11-04 stsp if (logmsg_len == 0 ||
1269 904df868 2018-11-04 stsp logmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1270 904df868 2018-11-04 stsp err = flush_imsg(ibuf);
1272 904df868 2018-11-04 stsp goto done;
1274 c75f7264 2018-09-11 stsp err = send_commit_logmsg(ibuf, commit, logmsg_len);
1276 bff6ca00 2018-04-23 stsp free(buf);
1277 bff6ca00 2018-04-23 stsp return err;
1280 ca6e02ac 2020-01-07 stsp static const struct got_error *
1281 ca6e02ac 2020-01-07 stsp get_commit_from_imsg(struct got_commit_object **commit,
1282 ca6e02ac 2020-01-07 stsp struct imsg *imsg, size_t datalen, struct imsgbuf *ibuf)
1284 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1285 291624d8 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1286 ca6e02ac 2020-01-07 stsp size_t len = 0;
1289 ca6e02ac 2020-01-07 stsp if (datalen < sizeof(*icommit))
1290 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1292 ca6e02ac 2020-01-07 stsp icommit = imsg->data;
1293 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommit) + icommit->author_len +
1294 ca6e02ac 2020-01-07 stsp icommit->committer_len +
1295 ca6e02ac 2020-01-07 stsp icommit->nparents * SHA1_DIGEST_LENGTH)
1296 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1298 ca6e02ac 2020-01-07 stsp if (icommit->nparents < 0)
1299 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1301 ca6e02ac 2020-01-07 stsp len += sizeof(*icommit);
1303 ca6e02ac 2020-01-07 stsp *commit = got_object_commit_alloc_partial();
1304 ca6e02ac 2020-01-07 stsp if (*commit == NULL)
1305 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
1306 ca6e02ac 2020-01-07 stsp "got_object_commit_alloc_partial");
1308 ca6e02ac 2020-01-07 stsp memcpy((*commit)->tree_id->sha1, icommit->tree_id,
1309 ca6e02ac 2020-01-07 stsp SHA1_DIGEST_LENGTH);
1310 ca6e02ac 2020-01-07 stsp (*commit)->author_time = icommit->author_time;
1311 ca6e02ac 2020-01-07 stsp (*commit)->author_gmtoff = icommit->author_gmtoff;
1312 ca6e02ac 2020-01-07 stsp (*commit)->committer_time = icommit->committer_time;
1313 ca6e02ac 2020-01-07 stsp (*commit)->committer_gmtoff = icommit->committer_gmtoff;
1315 bf31a716 2022-06-14 op (*commit)->author = strndup(imsg->data + len, icommit->author_len);
1316 bf31a716 2022-06-14 op if ((*commit)->author == NULL) {
1317 bf31a716 2022-06-14 op err = got_error_from_errno("strndup");
1320 ca6e02ac 2020-01-07 stsp len += icommit->author_len;
1322 bf31a716 2022-06-14 op (*commit)->committer = strndup(imsg->data + len,
1323 bf31a716 2022-06-14 op icommit->committer_len);
1324 bf31a716 2022-06-14 op if ((*commit)->committer == NULL) {
1325 bf31a716 2022-06-14 op err = got_error_from_errno("strndup");
1328 ca6e02ac 2020-01-07 stsp len += icommit->committer_len;
1330 ca6e02ac 2020-01-07 stsp if (icommit->logmsg_len == 0) {
1331 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = strdup("");
1332 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1333 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1334 ca6e02ac 2020-01-07 stsp goto done;
1337 ca6e02ac 2020-01-07 stsp size_t offset = 0, remain = icommit->logmsg_len;
1339 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = malloc(icommit->logmsg_len + 1);
1340 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1341 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1342 ca6e02ac 2020-01-07 stsp goto done;
1344 ca6e02ac 2020-01-07 stsp while (remain > 0) {
1345 ca6e02ac 2020-01-07 stsp struct imsg imsg_log;
1346 ca6e02ac 2020-01-07 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1349 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1351 ca6e02ac 2020-01-07 stsp goto done;
1353 ca6e02ac 2020-01-07 stsp if (imsg_log.hdr.type != GOT_IMSG_COMMIT_LOGMSG) {
1354 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1355 ca6e02ac 2020-01-07 stsp goto done;
1358 ca6e02ac 2020-01-07 stsp memcpy((*commit)->logmsg + offset,
1359 ca6e02ac 2020-01-07 stsp imsg_log.data, n);
1360 ca6e02ac 2020-01-07 stsp imsg_free(&imsg_log);
1361 ca6e02ac 2020-01-07 stsp offset += n;
1362 ca6e02ac 2020-01-07 stsp remain -= n;
1364 ca6e02ac 2020-01-07 stsp (*commit)->logmsg[icommit->logmsg_len] = '\0';
1367 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommit->nparents; i++) {
1368 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
1370 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
1373 d7b5a0e8 2022-04-20 stsp memcpy(&qid->id, imsg->data + len +
1374 d7b5a0e8 2022-04-20 stsp i * SHA1_DIGEST_LENGTH, sizeof(qid->id));
1375 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(&(*commit)->parent_ids, qid, entry);
1376 ca6e02ac 2020-01-07 stsp (*commit)->nparents++;
1379 ca6e02ac 2020-01-07 stsp if (err) {
1380 ca6e02ac 2020-01-07 stsp got_object_commit_close(*commit);
1381 ca6e02ac 2020-01-07 stsp *commit = NULL;
1383 ca6e02ac 2020-01-07 stsp return err;
1386 ca6e02ac 2020-01-07 stsp const struct got_error *
1387 ca6e02ac 2020-01-07 stsp got_privsep_recv_commit(struct got_commit_object **commit, struct imsgbuf *ibuf)
1389 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
1390 ca6e02ac 2020-01-07 stsp struct imsg imsg;
1391 ca6e02ac 2020-01-07 stsp size_t datalen;
1392 ca6e02ac 2020-01-07 stsp const size_t min_datalen =
1393 ca6e02ac 2020-01-07 stsp MIN(sizeof(struct got_imsg_error),
1394 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_object));
1396 ca6e02ac 2020-01-07 stsp *commit = NULL;
1398 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1400 ca6e02ac 2020-01-07 stsp return err;
1402 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1404 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
1405 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
1406 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(commit, &imsg, datalen, ibuf);
1409 8c580685 2018-04-22 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1413 2178c42e 2018-04-22 stsp imsg_free(&imsg);
1415 e033d803 2018-04-23 stsp return err;
1418 33fd69c2 2022-05-19 stsp static const struct got_error *
1419 0ab4c957 2022-06-13 stsp send_tree_entries_batch(struct imsgbuf *ibuf,
1420 0ab4c957 2022-06-13 stsp struct got_parsed_tree_entry *entries, int idx0, int idxN, size_t len)
1422 33fd69c2 2022-05-19 stsp struct ibuf *wbuf;
1423 33fd69c2 2022-05-19 stsp struct got_imsg_tree_entries ientries;
1426 33fd69c2 2022-05-19 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_ENTRIES, 0, 0, len);
1427 33fd69c2 2022-05-19 stsp if (wbuf == NULL)
1428 33fd69c2 2022-05-19 stsp return got_error_from_errno("imsg_create TREE_ENTRY");
1430 33fd69c2 2022-05-19 stsp ientries.nentries = idxN - idx0 + 1;
1431 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &ientries, sizeof(ientries)) == -1)
1432 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_ENTRY");
1434 33fd69c2 2022-05-19 stsp for (i = idx0; i <= idxN; i++) {
1435 33fd69c2 2022-05-19 stsp struct got_parsed_tree_entry *pte = &entries[i];
1437 3022d272 2019-11-14 stsp /* Keep in sync with struct got_imsg_tree_object definition! */
1438 1453347d 2022-05-19 stsp if (imsg_add(wbuf, pte->id, SHA1_DIGEST_LENGTH) == -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->mode, sizeof(pte->mode)) == -1)
1441 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_ENTRY");
1442 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &pte->namelen, sizeof(pte->namelen)) == -1)
1443 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_ENTRY");
1445 33fd69c2 2022-05-19 stsp /* Remaining bytes are the entry's name. */
1446 1453347d 2022-05-19 stsp if (imsg_add(wbuf, pte->name, pte->namelen) == -1)
1447 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_ENTRY");
1450 33fd69c2 2022-05-19 stsp wbuf->fd = -1;
1451 33fd69c2 2022-05-19 stsp imsg_close(ibuf, wbuf);
1452 33fd69c2 2022-05-19 stsp return NULL;
1455 0ab4c957 2022-06-13 stsp static const struct got_error *
1456 0ab4c957 2022-06-13 stsp send_tree_entries(struct imsgbuf *ibuf, struct got_parsed_tree_entry *entries,
1457 0ab4c957 2022-06-13 stsp int nentries)
1459 33fd69c2 2022-05-19 stsp const struct got_error *err = NULL;
1461 0ab4c957 2022-06-13 stsp size_t entries_len = sizeof(struct got_imsg_tree_entries);
1464 33fd69c2 2022-05-19 stsp for (j = 0; j < nentries; j++) {
1465 33fd69c2 2022-05-19 stsp struct got_parsed_tree_entry *pte = &entries[j];
1466 33fd69c2 2022-05-19 stsp size_t len = sizeof(*pte) + pte->namelen;
1468 33fd69c2 2022-05-19 stsp if (j > 0 &&
1469 33fd69c2 2022-05-19 stsp entries_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1470 0ab4c957 2022-06-13 stsp err = send_tree_entries_batch(ibuf, entries,
1471 33fd69c2 2022-05-19 stsp i, j - 1, entries_len);
1473 33fd69c2 2022-05-19 stsp return err;
1475 33fd69c2 2022-05-19 stsp entries_len = sizeof(struct got_imsg_tree_entries);
1478 33fd69c2 2022-05-19 stsp entries_len += len;
1481 33fd69c2 2022-05-19 stsp if (j > 0) {
1482 0ab4c957 2022-06-13 stsp err = send_tree_entries_batch(ibuf, entries, i, j - 1,
1483 0ab4c957 2022-06-13 stsp entries_len);
1485 33fd69c2 2022-05-19 stsp return err;
1488 0ab4c957 2022-06-13 stsp return NULL;
1491 0ab4c957 2022-06-13 stsp const struct got_error *
1492 0ab4c957 2022-06-13 stsp got_privsep_send_tree(struct imsgbuf *ibuf,
1493 0ab4c957 2022-06-13 stsp struct got_parsed_tree_entry *entries, int nentries)
1495 0ab4c957 2022-06-13 stsp const struct got_error *err = NULL;
1496 0ab4c957 2022-06-13 stsp struct got_imsg_tree_object itree;
1498 0ab4c957 2022-06-13 stsp itree.nentries = nentries;
1499 0ab4c957 2022-06-13 stsp if (imsg_compose(ibuf, GOT_IMSG_TREE, 0, 0, -1, &itree, sizeof(itree))
1501 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_compose TREE");
1503 0ab4c957 2022-06-13 stsp err = send_tree_entries(ibuf, entries, nentries);
1505 0ab4c957 2022-06-13 stsp return err;
1507 b00c9821 2018-11-04 stsp return flush_imsg(ibuf);
1511 0ab4c957 2022-06-13 stsp static const struct got_error *
1512 0ab4c957 2022-06-13 stsp recv_tree_entries(void *data, size_t datalen, struct got_tree_object *tree,
1513 0ab4c957 2022-06-13 stsp int *nentries)
1515 0ab4c957 2022-06-13 stsp const struct got_error *err = NULL;
1516 0ab4c957 2022-06-13 stsp struct got_imsg_tree_entries *ientries;
1517 0ab4c957 2022-06-13 stsp struct got_tree_entry *te;
1518 0ab4c957 2022-06-13 stsp size_t te_offset;
1521 0ab4c957 2022-06-13 stsp if (datalen <= sizeof(*ientries) ||
1522 0ab4c957 2022-06-13 stsp datalen > MAX_IMSGSIZE - IMSG_HEADER_SIZE)
1523 0ab4c957 2022-06-13 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1525 0ab4c957 2022-06-13 stsp ientries = (struct got_imsg_tree_entries *)data;
1526 0ab4c957 2022-06-13 stsp if (ientries->nentries > INT_MAX) {
1527 0ab4c957 2022-06-13 stsp return got_error_msg(GOT_ERR_NO_SPACE,
1528 0ab4c957 2022-06-13 stsp "too many tree entries");
1531 0ab4c957 2022-06-13 stsp te_offset = sizeof(*ientries);
1532 0ab4c957 2022-06-13 stsp for (i = 0; i < ientries->nentries; i++) {
1533 0ab4c957 2022-06-13 stsp struct got_imsg_tree_entry ite;
1534 0ab4c957 2022-06-13 stsp const char *te_name;
1535 0ab4c957 2022-06-13 stsp uint8_t *buf = (uint8_t *)data + te_offset;
1537 0ab4c957 2022-06-13 stsp if (te_offset >= datalen) {
1538 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1542 0ab4c957 2022-06-13 stsp /* Might not be aligned, size is ~32 bytes. */
1543 0ab4c957 2022-06-13 stsp memcpy(&ite, buf, sizeof(ite));
1545 0ab4c957 2022-06-13 stsp if (ite.namelen >= sizeof(te->name)) {
1546 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1549 0ab4c957 2022-06-13 stsp if (te_offset + sizeof(ite) + ite.namelen > datalen) {
1550 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1554 0ab4c957 2022-06-13 stsp if (*nentries >= tree->nentries) {
1555 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1558 0ab4c957 2022-06-13 stsp te = &tree->entries[*nentries];
1559 0ab4c957 2022-06-13 stsp te_name = buf + sizeof(ite);
1560 0ab4c957 2022-06-13 stsp memcpy(te->name, te_name, ite.namelen);
1561 0ab4c957 2022-06-13 stsp te->name[ite.namelen] = '\0';
1562 0ab4c957 2022-06-13 stsp memcpy(te->id.sha1, ite.id, SHA1_DIGEST_LENGTH);
1563 0ab4c957 2022-06-13 stsp te->mode = ite.mode;
1564 0ab4c957 2022-06-13 stsp te->idx = *nentries;
1565 0ab4c957 2022-06-13 stsp (*nentries)++;
1567 0ab4c957 2022-06-13 stsp te_offset += sizeof(ite) + ite.namelen;
1570 0ab4c957 2022-06-13 stsp return err;
1573 e033d803 2018-04-23 stsp const struct got_error *
1574 068fd2bf 2018-04-24 stsp got_privsep_recv_tree(struct got_tree_object **tree, struct imsgbuf *ibuf)
1576 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
1577 e033d803 2018-04-23 stsp const size_t min_datalen =
1578 e033d803 2018-04-23 stsp MIN(sizeof(struct got_imsg_error),
1579 e033d803 2018-04-23 stsp sizeof(struct got_imsg_tree_object));
1580 291624d8 2018-11-07 stsp struct got_imsg_tree_object *itree;
1581 e033d803 2018-04-23 stsp int nentries = 0;
1583 e033d803 2018-04-23 stsp *tree = NULL;
1585 e033d803 2018-04-23 stsp err = read_imsg(ibuf);
1587 1e51f5b9 2018-04-23 stsp goto done;
1590 e033d803 2018-04-23 stsp struct imsg imsg;
1592 e033d803 2018-04-23 stsp size_t datalen;
1594 e033d803 2018-04-23 stsp n = imsg_get(ibuf, &imsg);
1595 e033d803 2018-04-23 stsp if (n == 0) {
1596 7429ae85 2022-05-18 stsp if ((*tree)) {
1597 7429ae85 2022-05-18 stsp if (nentries < (*tree)->nentries) {
1598 7429ae85 2022-05-18 stsp err = read_imsg(ibuf);
1605 7429ae85 2022-05-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1610 fca1f6ad 2020-08-27 stsp if (imsg.hdr.len < IMSG_HEADER_SIZE + min_datalen) {
1611 fca1f6ad 2020-08-27 stsp imsg_free(&imsg);
1612 fca1f6ad 2020-08-27 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1616 e033d803 2018-04-23 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1618 e033d803 2018-04-23 stsp switch (imsg.hdr.type) {
1619 e033d803 2018-04-23 stsp case GOT_IMSG_ERROR:
1620 e033d803 2018-04-23 stsp err = recv_imsg_error(&imsg, datalen);
1622 e033d803 2018-04-23 stsp case GOT_IMSG_TREE:
1623 e033d803 2018-04-23 stsp /* This message should only appear once. */
1624 e033d803 2018-04-23 stsp if (*tree != NULL) {
1625 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1628 291624d8 2018-11-07 stsp if (datalen != sizeof(*itree)) {
1629 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1632 291624d8 2018-11-07 stsp itree = imsg.data;
1633 13fcf1bf 2022-05-18 stsp if (itree->nentries < 0) {
1634 13fcf1bf 2022-05-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1637 c3b78ecc 2018-11-07 stsp *tree = malloc(sizeof(**tree));
1638 e033d803 2018-04-23 stsp if (*tree == NULL) {
1639 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1642 56e0773d 2019-11-28 stsp (*tree)->entries = calloc(itree->nentries,
1643 56e0773d 2019-11-28 stsp sizeof(struct got_tree_entry));
1644 56e0773d 2019-11-28 stsp if ((*tree)->entries == NULL) {
1645 56e0773d 2019-11-28 stsp err = got_error_from_errno("malloc");
1646 baef4d75 2022-05-18 stsp free(*tree);
1647 baef4d75 2022-05-18 stsp *tree = NULL;
1650 56e0773d 2019-11-28 stsp (*tree)->nentries = itree->nentries;
1651 c3b78ecc 2018-11-07 stsp (*tree)->refcnt = 0;
1653 33fd69c2 2022-05-19 stsp case GOT_IMSG_TREE_ENTRIES:
1654 e033d803 2018-04-23 stsp /* This message should be preceeded by GOT_IMSG_TREE. */
1655 e033d803 2018-04-23 stsp if (*tree == NULL) {
1656 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1659 0ab4c957 2022-06-13 stsp err = recv_tree_entries(imsg.data, datalen,
1660 0ab4c957 2022-06-13 stsp *tree, &nentries);
1663 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1667 e033d803 2018-04-23 stsp imsg_free(&imsg);
1672 56e0773d 2019-11-28 stsp if (*tree && (*tree)->nentries != nentries) {
1673 1e51f5b9 2018-04-23 stsp if (err == NULL)
1674 1e51f5b9 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1675 e033d803 2018-04-23 stsp got_object_tree_close(*tree);
1676 e033d803 2018-04-23 stsp *tree = NULL;
1679 ff6b18f8 2018-04-24 stsp return err;
1682 ff6b18f8 2018-04-24 stsp const struct got_error *
1683 ac544f8c 2019-01-13 stsp got_privsep_send_blob(struct imsgbuf *ibuf, size_t size, size_t hdrlen,
1684 ac544f8c 2019-01-13 stsp const uint8_t *data)
1686 2967a784 2018-04-24 stsp struct got_imsg_blob iblob;
1688 2967a784 2018-04-24 stsp iblob.size = size;
1689 ebc55e2d 2018-12-24 stsp iblob.hdrlen = hdrlen;
1691 ac544f8c 2019-01-13 stsp if (data) {
1692 ac544f8c 2019-01-13 stsp uint8_t *buf;
1694 ac544f8c 2019-01-13 stsp if (size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX)
1695 ac544f8c 2019-01-13 stsp return got_error(GOT_ERR_NO_SPACE);
1697 ac544f8c 2019-01-13 stsp buf = malloc(sizeof(iblob) + size);
1698 ac544f8c 2019-01-13 stsp if (buf == NULL)
1699 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1701 ac544f8c 2019-01-13 stsp memcpy(buf, &iblob, sizeof(iblob));
1702 ac544f8c 2019-01-13 stsp memcpy(buf + sizeof(iblob), data, size);
1703 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, buf,
1704 62d463ca 2020-10-20 naddy sizeof(iblob) + size) == -1) {
1705 ac544f8c 2019-01-13 stsp free(buf);
1706 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1708 ac544f8c 2019-01-13 stsp free(buf);
1710 ac544f8c 2019-01-13 stsp /* Data has already been written to file descriptor. */
1711 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, &iblob,
1712 ac544f8c 2019-01-13 stsp sizeof(iblob)) == -1)
1713 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1717 ff6b18f8 2018-04-24 stsp return flush_imsg(ibuf);
1720 ff6b18f8 2018-04-24 stsp const struct got_error *
1721 ac544f8c 2019-01-13 stsp got_privsep_recv_blob(uint8_t **outbuf, size_t *size, size_t *hdrlen,
1722 ac544f8c 2019-01-13 stsp struct imsgbuf *ibuf)
1724 ff6b18f8 2018-04-24 stsp const struct got_error *err = NULL;
1725 ff6b18f8 2018-04-24 stsp struct imsg imsg;
1726 291624d8 2018-11-07 stsp struct got_imsg_blob *iblob;
1727 ff6b18f8 2018-04-24 stsp size_t datalen;
1729 ac544f8c 2019-01-13 stsp *outbuf = NULL;
1731 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1733 ff6b18f8 2018-04-24 stsp return err;
1735 ff6b18f8 2018-04-24 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1737 ff6b18f8 2018-04-24 stsp switch (imsg.hdr.type) {
1738 ff6b18f8 2018-04-24 stsp case GOT_IMSG_BLOB:
1739 ac544f8c 2019-01-13 stsp if (datalen < sizeof(*iblob)) {
1740 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1743 291624d8 2018-11-07 stsp iblob = imsg.data;
1744 291624d8 2018-11-07 stsp *size = iblob->size;
1745 ebc55e2d 2018-12-24 stsp *hdrlen = iblob->hdrlen;
1747 ac544f8c 2019-01-13 stsp if (datalen == sizeof(*iblob)) {
1748 ac544f8c 2019-01-13 stsp /* Data has been written to file descriptor. */
1752 c98b0f0b 2022-06-14 op if (*size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX ||
1753 c98b0f0b 2022-06-14 op *size > datalen + sizeof(*iblob)) {
1754 ac544f8c 2019-01-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1758 ac544f8c 2019-01-13 stsp *outbuf = malloc(*size);
1759 ac544f8c 2019-01-13 stsp if (*outbuf == NULL) {
1760 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1763 ac544f8c 2019-01-13 stsp memcpy(*outbuf, imsg.data + sizeof(*iblob), *size);
1766 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1770 f4a881ce 2018-11-17 stsp imsg_free(&imsg);
1772 f4a881ce 2018-11-17 stsp return err;
1775 f4a881ce 2018-11-17 stsp static const struct got_error *
1776 f4a881ce 2018-11-17 stsp send_tagmsg(struct imsgbuf *ibuf, struct got_tag_object *tag, size_t tagmsg_len)
1778 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1779 f4a881ce 2018-11-17 stsp size_t offset, remain;
1781 f4a881ce 2018-11-17 stsp offset = 0;
1782 f4a881ce 2018-11-17 stsp remain = tagmsg_len;
1783 f4a881ce 2018-11-17 stsp while (remain > 0) {
1784 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1786 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_TAGMSG, 0, 0, -1,
1787 f4a881ce 2018-11-17 stsp tag->tagmsg + offset, n) == -1) {
1788 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG_TAGMSG");
1792 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1796 f4a881ce 2018-11-17 stsp offset += n;
1797 f4a881ce 2018-11-17 stsp remain -= n;
1800 f4a881ce 2018-11-17 stsp return err;
1803 f4a881ce 2018-11-17 stsp const struct got_error *
1804 f4a881ce 2018-11-17 stsp got_privsep_send_tag(struct imsgbuf *ibuf, struct got_tag_object *tag)
1806 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1807 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1808 f4a881ce 2018-11-17 stsp uint8_t *buf;
1809 f4a881ce 2018-11-17 stsp size_t len, total;
1810 f4a881ce 2018-11-17 stsp size_t tag_len = strlen(tag->tag);
1811 f4a881ce 2018-11-17 stsp size_t tagger_len = strlen(tag->tagger);
1812 f4a881ce 2018-11-17 stsp size_t tagmsg_len = strlen(tag->tagmsg);
1814 f4a881ce 2018-11-17 stsp total = sizeof(*itag) + tag_len + tagger_len + tagmsg_len;
1816 f4a881ce 2018-11-17 stsp buf = malloc(total);
1817 f4a881ce 2018-11-17 stsp if (buf == NULL)
1818 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1820 f4a881ce 2018-11-17 stsp itag = (struct got_imsg_tag_object *)buf;
1821 f4a881ce 2018-11-17 stsp memcpy(itag->id, tag->id.sha1, sizeof(itag->id));
1822 f4a881ce 2018-11-17 stsp itag->obj_type = tag->obj_type;
1823 f4a881ce 2018-11-17 stsp itag->tag_len = tag_len;
1824 f4a881ce 2018-11-17 stsp itag->tagger_len = tagger_len;
1825 f4a881ce 2018-11-17 stsp itag->tagger_time = tag->tagger_time;
1826 f4a881ce 2018-11-17 stsp itag->tagger_gmtoff = tag->tagger_gmtoff;
1827 f4a881ce 2018-11-17 stsp itag->tagmsg_len = tagmsg_len;
1829 f4a881ce 2018-11-17 stsp len = sizeof(*itag);
1830 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tag, tag_len);
1831 f4a881ce 2018-11-17 stsp len += tag_len;
1832 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tagger, tagger_len);
1833 f4a881ce 2018-11-17 stsp len += tagger_len;
1835 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG, 0, 0, -1, buf, len) == -1) {
1836 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG");
1837 f4a881ce 2018-11-17 stsp goto done;
1840 f4a881ce 2018-11-17 stsp if (tagmsg_len == 0 ||
1841 f4a881ce 2018-11-17 stsp tagmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1842 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1844 f4a881ce 2018-11-17 stsp goto done;
1846 f4a881ce 2018-11-17 stsp err = send_tagmsg(ibuf, tag, tagmsg_len);
1848 f4a881ce 2018-11-17 stsp free(buf);
1849 f4a881ce 2018-11-17 stsp return err;
1852 f4a881ce 2018-11-17 stsp const struct got_error *
1853 f4a881ce 2018-11-17 stsp got_privsep_recv_tag(struct got_tag_object **tag, struct imsgbuf *ibuf)
1855 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1856 f4a881ce 2018-11-17 stsp struct imsg imsg;
1857 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1858 f4a881ce 2018-11-17 stsp size_t len, datalen;
1859 f4a881ce 2018-11-17 stsp const size_t min_datalen =
1860 f4a881ce 2018-11-17 stsp MIN(sizeof(struct got_imsg_error),
1861 f4a881ce 2018-11-17 stsp sizeof(struct got_imsg_tag_object));
1863 f4a881ce 2018-11-17 stsp *tag = NULL;
1865 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1867 f4a881ce 2018-11-17 stsp return err;
1869 f4a881ce 2018-11-17 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1872 f4a881ce 2018-11-17 stsp switch (imsg.hdr.type) {
1873 f4a881ce 2018-11-17 stsp case GOT_IMSG_TAG:
1874 f4a881ce 2018-11-17 stsp if (datalen < sizeof(*itag)) {
1875 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1878 f4a881ce 2018-11-17 stsp itag = imsg.data;
1879 f4a881ce 2018-11-17 stsp if (datalen != sizeof(*itag) + itag->tag_len +
1880 f4a881ce 2018-11-17 stsp itag->tagger_len) {
1881 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1884 f4a881ce 2018-11-17 stsp len += sizeof(*itag);
1886 f4a881ce 2018-11-17 stsp *tag = calloc(1, sizeof(**tag));
1887 f4a881ce 2018-11-17 stsp if (*tag == NULL) {
1888 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
1892 f4a881ce 2018-11-17 stsp memcpy((*tag)->id.sha1, itag->id, SHA1_DIGEST_LENGTH);
1894 bf31a716 2022-06-14 op (*tag)->tag = strndup(imsg.data + len, itag->tag_len);
1895 bf31a716 2022-06-14 op if ((*tag)->tag == NULL) {
1896 bf31a716 2022-06-14 op err = got_error_from_errno("strndup");
1899 f4a881ce 2018-11-17 stsp len += itag->tag_len;
1901 f4a881ce 2018-11-17 stsp (*tag)->obj_type = itag->obj_type;
1902 f4a881ce 2018-11-17 stsp (*tag)->tagger_time = itag->tagger_time;
1903 f4a881ce 2018-11-17 stsp (*tag)->tagger_gmtoff = itag->tagger_gmtoff;
1905 bf31a716 2022-06-14 op (*tag)->tagger = strndup(imsg.data + len, itag->tagger_len);
1906 bf31a716 2022-06-14 op if ((*tag)->tagger == NULL) {
1907 bf31a716 2022-06-14 op err = got_error_from_errno("strndup");
1910 f4a881ce 2018-11-17 stsp len += itag->tagger_len;
1912 f4a881ce 2018-11-17 stsp if (itag->tagmsg_len == 0) {
1913 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = strdup("");
1914 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1915 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1919 f4a881ce 2018-11-17 stsp size_t offset = 0, remain = itag->tagmsg_len;
1921 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = malloc(itag->tagmsg_len + 1);
1922 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1923 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1926 f4a881ce 2018-11-17 stsp while (remain > 0) {
1927 f4a881ce 2018-11-17 stsp struct imsg imsg_log;
1928 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1931 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1933 f4a881ce 2018-11-17 stsp return err;
1935 f4a881ce 2018-11-17 stsp if (imsg_log.hdr.type != GOT_IMSG_TAG_TAGMSG)
1936 f4a881ce 2018-11-17 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
1938 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagmsg + offset, imsg_log.data,
1940 f4a881ce 2018-11-17 stsp imsg_free(&imsg_log);
1941 f4a881ce 2018-11-17 stsp offset += n;
1942 f4a881ce 2018-11-17 stsp remain -= n;
1944 f4a881ce 2018-11-17 stsp (*tag)->tagmsg[itag->tagmsg_len] = '\0';
1949 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1953 ff6b18f8 2018-04-24 stsp imsg_free(&imsg);
1955 2178c42e 2018-04-22 stsp return err;
1958 876c234b 2018-09-10 stsp const struct got_error *
1959 876c234b 2018-09-10 stsp got_privsep_init_pack_child(struct imsgbuf *ibuf, struct got_pack *pack,
1960 876c234b 2018-09-10 stsp struct got_packidx *packidx)
1962 41496140 2019-02-21 stsp const struct got_error *err = NULL;
1963 876c234b 2018-09-10 stsp struct got_imsg_packidx ipackidx;
1964 876c234b 2018-09-10 stsp struct got_imsg_pack ipack;
1967 876c234b 2018-09-10 stsp ipackidx.len = packidx->len;
1968 c3564dfa 2021-07-15 stsp ipackidx.packfile_size = pack->filesize;
1969 876c234b 2018-09-10 stsp fd = dup(packidx->fd);
1970 876c234b 2018-09-10 stsp if (fd == -1)
1971 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1973 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKIDX, 0, 0, fd, &ipackidx,
1974 41496140 2019-02-21 stsp sizeof(ipackidx)) == -1) {
1975 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACKIDX");
1976 41496140 2019-02-21 stsp close(fd);
1977 41496140 2019-02-21 stsp return err;
1980 876c234b 2018-09-10 stsp if (strlcpy(ipack.path_packfile, pack->path_packfile,
1981 876c234b 2018-09-10 stsp sizeof(ipack.path_packfile)) >= sizeof(ipack.path_packfile))
1982 876c234b 2018-09-10 stsp return got_error(GOT_ERR_NO_SPACE);
1983 876c234b 2018-09-10 stsp ipack.filesize = pack->filesize;
1985 876c234b 2018-09-10 stsp fd = dup(pack->fd);
1986 876c234b 2018-09-10 stsp if (fd == -1)
1987 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1989 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACK, 0, 0, fd, &ipack, sizeof(ipack))
1991 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACK");
1992 41496140 2019-02-21 stsp close(fd);
1993 41496140 2019-02-21 stsp return err;
1996 876c234b 2018-09-10 stsp return flush_imsg(ibuf);
1999 876c234b 2018-09-10 stsp const struct got_error *
2000 106807b4 2018-09-15 stsp got_privsep_send_packed_obj_req(struct imsgbuf *ibuf, int idx,
2001 106807b4 2018-09-15 stsp struct got_object_id *id)
2003 876c234b 2018-09-10 stsp struct got_imsg_packed_object iobj;
2005 876c234b 2018-09-10 stsp iobj.idx = idx;
2006 106807b4 2018-09-15 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
2008 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_OBJECT_REQUEST, 0, 0, -1,
2009 876c234b 2018-09-10 stsp &iobj, sizeof(iobj)) == -1)
2010 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose "
2011 230a42bd 2019-05-11 jcs "PACKED_OBJECT_REQUEST");
2013 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2016 aba9c984 2019-09-08 stsp const struct got_error *
2017 59d1e4a0 2021-03-10 stsp got_privsep_send_packed_raw_obj_req(struct imsgbuf *ibuf, int idx,
2018 59d1e4a0 2021-03-10 stsp struct got_object_id *id)
2020 59d1e4a0 2021-03-10 stsp struct got_imsg_packed_object iobj;
2022 59d1e4a0 2021-03-10 stsp iobj.idx = idx;
2023 59d1e4a0 2021-03-10 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
2025 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_RAW_OBJECT_REQUEST, 0, 0, -1,
2026 59d1e4a0 2021-03-10 stsp &iobj, sizeof(iobj)) == -1)
2027 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose "
2028 59d1e4a0 2021-03-10 stsp "PACKED_OBJECT_REQUEST");
2030 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
2033 59d1e4a0 2021-03-10 stsp const struct got_error *
2034 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_parse_req(struct imsgbuf *ibuf, int fd)
2036 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2038 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_PARSE_REQUEST, 0, 0, fd,
2039 aba9c984 2019-09-08 stsp NULL, 0) == -1) {
2040 aba9c984 2019-09-08 stsp err = got_error_from_errno("imsg_compose "
2041 aba9c984 2019-09-08 stsp "GITCONFIG_PARSE_REQUEST");
2042 aba9c984 2019-09-08 stsp close(fd);
2043 aba9c984 2019-09-08 stsp return err;
2046 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2049 aba9c984 2019-09-08 stsp const struct got_error *
2050 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_repository_format_version_req(struct imsgbuf *ibuf)
2052 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2053 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST, 0, 0, -1,
2054 aba9c984 2019-09-08 stsp NULL, 0) == -1)
2055 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2056 aba9c984 2019-09-08 stsp "GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST");
2058 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2061 aba9c984 2019-09-08 stsp const struct got_error *
2062 20b7abb3 2020-10-22 stsp got_privsep_send_gitconfig_repository_extensions_req(struct imsgbuf *ibuf)
2064 20b7abb3 2020-10-22 stsp if (imsg_compose(ibuf,
2065 20b7abb3 2020-10-22 stsp GOT_IMSG_GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST, 0, 0, -1,
2066 20b7abb3 2020-10-22 stsp NULL, 0) == -1)
2067 20b7abb3 2020-10-22 stsp return got_error_from_errno("imsg_compose "
2068 20b7abb3 2020-10-22 stsp "GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST");
2070 20b7abb3 2020-10-22 stsp return flush_imsg(ibuf);
2074 20b7abb3 2020-10-22 stsp const struct got_error *
2075 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_name_req(struct imsgbuf *ibuf)
2077 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2078 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_NAME_REQUEST, 0, 0, -1, NULL, 0) == -1)
2079 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2080 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_NAME_REQUEST");
2082 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2085 aba9c984 2019-09-08 stsp const struct got_error *
2086 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_email_req(struct imsgbuf *ibuf)
2088 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2089 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_EMAIL_REQUEST, 0, 0, -1, NULL, 0) == -1)
2090 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2091 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_EMAIL_REQUEST");
2093 cd95becd 2019-11-29 stsp return flush_imsg(ibuf);
2096 cd95becd 2019-11-29 stsp const struct got_error *
2097 cd95becd 2019-11-29 stsp got_privsep_send_gitconfig_remotes_req(struct imsgbuf *ibuf)
2099 cd95becd 2019-11-29 stsp if (imsg_compose(ibuf,
2100 cd95becd 2019-11-29 stsp GOT_IMSG_GITCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2101 cd95becd 2019-11-29 stsp return got_error_from_errno("imsg_compose "
2102 cd95becd 2019-11-29 stsp "GITCONFIG_REMOTE_REQUEST");
2104 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2107 aba9c984 2019-09-08 stsp const struct got_error *
2108 9a1cc63f 2020-02-03 stsp got_privsep_send_gitconfig_owner_req(struct imsgbuf *ibuf)
2110 9a1cc63f 2020-02-03 stsp if (imsg_compose(ibuf,
2111 9a1cc63f 2020-02-03 stsp GOT_IMSG_GITCONFIG_OWNER_REQUEST, 0, 0, -1, NULL, 0) == -1)
2112 9a1cc63f 2020-02-03 stsp return got_error_from_errno("imsg_compose "
2113 9a1cc63f 2020-02-03 stsp "GITCONFIG_OWNER_REQUEST");
2115 9a1cc63f 2020-02-03 stsp return flush_imsg(ibuf);
2118 9a1cc63f 2020-02-03 stsp const struct got_error *
2119 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_str(char **str, struct imsgbuf *ibuf)
2121 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2122 aba9c984 2019-09-08 stsp struct imsg imsg;
2123 aba9c984 2019-09-08 stsp size_t datalen;
2125 aba9c984 2019-09-08 stsp *str = NULL;
2127 3e6054c4 2022-06-14 op err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2129 aba9c984 2019-09-08 stsp return err;
2130 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2132 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2133 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_STR_VAL:
2134 aba9c984 2019-09-08 stsp if (datalen == 0)
2136 6c13dcd2 2020-09-18 stsp /* datalen does not include terminating \0 */
2137 6c13dcd2 2020-09-18 stsp *str = malloc(datalen + 1);
2138 aba9c984 2019-09-08 stsp if (*str == NULL) {
2139 aba9c984 2019-09-08 stsp err = got_error_from_errno("malloc");
2142 6c13dcd2 2020-09-18 stsp memcpy(*str, imsg.data, datalen);
2143 6c13dcd2 2020-09-18 stsp (*str)[datalen] = '\0';
2146 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2150 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2151 aba9c984 2019-09-08 stsp return err;
2154 aba9c984 2019-09-08 stsp const struct got_error *
2155 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_int(int *val, struct imsgbuf *ibuf)
2157 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2158 aba9c984 2019-09-08 stsp struct imsg imsg;
2159 aba9c984 2019-09-08 stsp size_t datalen;
2160 aba9c984 2019-09-08 stsp const size_t min_datalen =
2161 aba9c984 2019-09-08 stsp MIN(sizeof(struct got_imsg_error), sizeof(int));
2165 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2167 aba9c984 2019-09-08 stsp return err;
2168 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2170 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2171 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_INT_VAL:
2172 aba9c984 2019-09-08 stsp if (datalen != sizeof(*val)) {
2173 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2176 aba9c984 2019-09-08 stsp memcpy(val, imsg.data, sizeof(*val));
2179 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2183 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2184 cd95becd 2019-11-29 stsp return err;
2187 b8adfa55 2020-09-25 stsp static void
2188 b8adfa55 2020-09-25 stsp free_remote_data(struct got_remote_repo *remote)
2192 b8adfa55 2020-09-25 stsp free(remote->name);
2193 6480c871 2021-08-30 stsp free(remote->fetch_url);
2194 6480c871 2021-08-30 stsp free(remote->send_url);
2195 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_branches; i++)
2196 6480c871 2021-08-30 stsp free(remote->fetch_branches[i]);
2197 6480c871 2021-08-30 stsp free(remote->fetch_branches);
2198 6480c871 2021-08-30 stsp for (i = 0; i < remote->nsend_branches; i++)
2199 6480c871 2021-08-30 stsp free(remote->send_branches[i]);
2200 6480c871 2021-08-30 stsp free(remote->send_branches);
2201 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_refs; i++)
2202 6480c871 2021-08-30 stsp free(remote->fetch_refs[i]);
2203 6480c871 2021-08-30 stsp free(remote->fetch_refs);
2206 cd95becd 2019-11-29 stsp const struct got_error *
2207 cd95becd 2019-11-29 stsp got_privsep_recv_gitconfig_remotes(struct got_remote_repo **remotes,
2208 cd95becd 2019-11-29 stsp int *nremotes, struct imsgbuf *ibuf)
2210 cd95becd 2019-11-29 stsp const struct got_error *err = NULL;
2211 cd95becd 2019-11-29 stsp struct imsg imsg;
2212 cd95becd 2019-11-29 stsp size_t datalen;
2213 cd95becd 2019-11-29 stsp struct got_imsg_remotes iremotes;
2214 cd95becd 2019-11-29 stsp struct got_imsg_remote iremote;
2216 cd95becd 2019-11-29 stsp *remotes = NULL;
2217 cd95becd 2019-11-29 stsp *nremotes = 0;
2218 d669b9c9 2020-02-22 stsp iremotes.nremotes = 0;
2220 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremotes));
2222 cd95becd 2019-11-29 stsp return err;
2223 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2225 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2226 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTES:
2227 cd95becd 2019-11-29 stsp if (datalen != sizeof(iremotes)) {
2228 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2231 cd95becd 2019-11-29 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2232 cd95becd 2019-11-29 stsp if (iremotes.nremotes == 0) {
2233 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2234 cd95becd 2019-11-29 stsp return NULL;
2238 54b1c5b5 2020-02-22 stsp imsg_free(&imsg);
2239 54b1c5b5 2020-02-22 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2242 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2244 5146eb39 2020-03-20 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2245 cd95becd 2019-11-29 stsp if (*remotes == NULL)
2246 cd95becd 2019-11-29 stsp return got_error_from_errno("recallocarray");
2248 cd95becd 2019-11-29 stsp while (*nremotes < iremotes.nremotes) {
2249 cd95becd 2019-11-29 stsp struct got_remote_repo *remote;
2251 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremote));
2254 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2256 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2257 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTE:
2258 cd95becd 2019-11-29 stsp remote = &(*remotes)[*nremotes];
2259 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2260 cd95becd 2019-11-29 stsp if (datalen < sizeof(iremote)) {
2261 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2264 cd95becd 2019-11-29 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2265 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2266 6480c871 2021-08-30 stsp iremote.fetch_url_len == 0 ||
2267 6480c871 2021-08-30 stsp iremote.send_url_len == 0 ||
2268 cd95becd 2019-11-29 stsp (sizeof(iremote) + iremote.name_len +
2269 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) > datalen) {
2270 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2273 cd95becd 2019-11-29 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2274 cd95becd 2019-11-29 stsp iremote.name_len);
2275 cd95becd 2019-11-29 stsp if (remote->name == NULL) {
2276 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2279 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data + sizeof(iremote) +
2280 6480c871 2021-08-30 stsp iremote.name_len, iremote.fetch_url_len);
2281 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2282 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2283 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2286 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data + sizeof(iremote) +
2287 6480c871 2021-08-30 stsp iremote.name_len + iremote.fetch_url_len,
2288 6480c871 2021-08-30 stsp iremote.send_url_len);
2289 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2290 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2291 6480c871 2021-08-30 stsp free_remote_data(remote);
2294 469dd726 2020-03-20 stsp remote->mirror_references = iremote.mirror_references;
2295 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2296 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2297 6480c871 2021-08-30 stsp remote->fetch_branches = NULL;
2298 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2299 6480c871 2021-08-30 stsp remote->send_branches = NULL;
2300 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2301 6480c871 2021-08-30 stsp remote->fetch_refs = NULL;
2302 cd95becd 2019-11-29 stsp (*nremotes)++;
2305 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2309 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2314 cd95becd 2019-11-29 stsp if (err) {
2316 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2317 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2318 cd95becd 2019-11-29 stsp free(*remotes);
2319 cd95becd 2019-11-29 stsp *remotes = NULL;
2320 cd95becd 2019-11-29 stsp *nremotes = 0;
2322 aba9c984 2019-09-08 stsp return err;
2325 257add31 2020-09-09 stsp const struct got_error *
2326 257add31 2020-09-09 stsp got_privsep_send_gotconfig_parse_req(struct imsgbuf *ibuf, int fd)
2328 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2330 257add31 2020-09-09 stsp if (imsg_compose(ibuf, GOT_IMSG_GOTCONFIG_PARSE_REQUEST, 0, 0, fd,
2331 257add31 2020-09-09 stsp NULL, 0) == -1) {
2332 257add31 2020-09-09 stsp err = got_error_from_errno("imsg_compose "
2333 257add31 2020-09-09 stsp "GOTCONFIG_PARSE_REQUEST");
2334 257add31 2020-09-09 stsp close(fd);
2335 257add31 2020-09-09 stsp return err;
2338 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2341 257add31 2020-09-09 stsp const struct got_error *
2342 257add31 2020-09-09 stsp got_privsep_send_gotconfig_author_req(struct imsgbuf *ibuf)
2344 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2345 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_AUTHOR_REQUEST, 0, 0, -1, NULL, 0) == -1)
2346 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2347 257add31 2020-09-09 stsp "GOTCONFIG_AUTHOR_REQUEST");
2349 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2352 ca6e02ac 2020-01-07 stsp const struct got_error *
2353 257add31 2020-09-09 stsp got_privsep_send_gotconfig_remotes_req(struct imsgbuf *ibuf)
2355 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2356 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2357 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2358 257add31 2020-09-09 stsp "GOTCONFIG_REMOTE_REQUEST");
2360 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2363 257add31 2020-09-09 stsp const struct got_error *
2364 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_str(char **str, struct imsgbuf *ibuf)
2366 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2367 257add31 2020-09-09 stsp struct imsg imsg;
2368 257add31 2020-09-09 stsp size_t datalen;
2370 257add31 2020-09-09 stsp *str = NULL;
2372 3e6054c4 2022-06-14 op err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2374 257add31 2020-09-09 stsp return err;
2375 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2377 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2378 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2379 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2381 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_STR_VAL:
2382 257add31 2020-09-09 stsp if (datalen == 0)
2384 5874ea87 2020-09-18 stsp /* datalen does not include terminating \0 */
2385 5874ea87 2020-09-18 stsp *str = malloc(datalen + 1);
2386 257add31 2020-09-09 stsp if (*str == NULL) {
2387 257add31 2020-09-09 stsp err = got_error_from_errno("malloc");
2390 5874ea87 2020-09-18 stsp memcpy(*str, imsg.data, datalen);
2391 5874ea87 2020-09-18 stsp (*str)[datalen] = '\0';
2394 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2398 257add31 2020-09-09 stsp imsg_free(&imsg);
2399 257add31 2020-09-09 stsp return err;
2402 257add31 2020-09-09 stsp const struct got_error *
2403 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_remotes(struct got_remote_repo **remotes,
2404 257add31 2020-09-09 stsp int *nremotes, struct imsgbuf *ibuf)
2406 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2407 257add31 2020-09-09 stsp struct imsg imsg;
2408 257add31 2020-09-09 stsp size_t datalen;
2409 257add31 2020-09-09 stsp struct got_imsg_remotes iremotes;
2410 257add31 2020-09-09 stsp struct got_imsg_remote iremote;
2411 257add31 2020-09-09 stsp const size_t min_datalen =
2412 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremotes));
2414 257add31 2020-09-09 stsp *remotes = NULL;
2415 257add31 2020-09-09 stsp *nremotes = 0;
2416 257add31 2020-09-09 stsp iremotes.nremotes = 0;
2418 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2420 257add31 2020-09-09 stsp return err;
2421 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2423 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2424 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2425 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2427 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTES:
2428 257add31 2020-09-09 stsp if (datalen != sizeof(iremotes)) {
2429 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2432 257add31 2020-09-09 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2433 c98b0f0b 2022-06-14 op if (iremotes.nremotes < 0) {
2434 c98b0f0b 2022-06-14 op err = got_error(GOT_ERR_PRIVSEP_LEN);
2437 257add31 2020-09-09 stsp if (iremotes.nremotes == 0) {
2438 257add31 2020-09-09 stsp imsg_free(&imsg);
2439 257add31 2020-09-09 stsp return NULL;
2443 257add31 2020-09-09 stsp imsg_free(&imsg);
2444 257add31 2020-09-09 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2447 257add31 2020-09-09 stsp imsg_free(&imsg);
2449 257add31 2020-09-09 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2450 257add31 2020-09-09 stsp if (*remotes == NULL)
2451 257add31 2020-09-09 stsp return got_error_from_errno("recallocarray");
2453 257add31 2020-09-09 stsp while (*nremotes < iremotes.nremotes) {
2454 257add31 2020-09-09 stsp struct got_remote_repo *remote;
2455 257add31 2020-09-09 stsp const size_t min_datalen =
2456 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremote));
2459 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2462 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2464 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2465 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2466 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2468 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTE:
2469 257add31 2020-09-09 stsp remote = &(*remotes)[*nremotes];
2470 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2471 257add31 2020-09-09 stsp if (datalen < sizeof(iremote)) {
2472 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2475 257add31 2020-09-09 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2476 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2477 6480c871 2021-08-30 stsp (iremote.fetch_url_len == 0 &&
2478 6480c871 2021-08-30 stsp iremote.send_url_len == 0) ||
2479 257add31 2020-09-09 stsp (sizeof(iremote) + iremote.name_len +
2480 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) >
2481 6480c871 2021-08-30 stsp datalen) {
2482 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2485 257add31 2020-09-09 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2486 257add31 2020-09-09 stsp iremote.name_len);
2487 257add31 2020-09-09 stsp if (remote->name == NULL) {
2488 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2491 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data +
2492 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len,
2493 6480c871 2021-08-30 stsp iremote.fetch_url_len);
2494 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2495 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2496 6480c871 2021-08-30 stsp free_remote_data(remote);
2499 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data +
2500 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len +
2501 6480c871 2021-08-30 stsp iremote.fetch_url_len, iremote.send_url_len);
2502 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2503 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2504 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2507 257add31 2020-09-09 stsp remote->mirror_references = iremote.mirror_references;
2508 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2509 6480c871 2021-08-30 stsp if (iremote.nfetch_branches > 0) {
2510 6480c871 2021-08-30 stsp remote->fetch_branches = recallocarray(NULL, 0,
2511 6480c871 2021-08-30 stsp iremote.nfetch_branches, sizeof(char *));
2512 6480c871 2021-08-30 stsp if (remote->fetch_branches == NULL) {
2513 b8adfa55 2020-09-25 stsp err = got_error_from_errno("calloc");
2514 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2518 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2519 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_branches; i++) {
2520 b8adfa55 2020-09-25 stsp char *branch;
2521 b8adfa55 2020-09-25 stsp err = got_privsep_recv_gotconfig_str(&branch,
2523 b8adfa55 2020-09-25 stsp if (err) {
2524 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2525 b8adfa55 2020-09-25 stsp goto done;
2527 6480c871 2021-08-30 stsp remote->fetch_branches[i] = branch;
2528 6480c871 2021-08-30 stsp remote->nfetch_branches++;
2530 6480c871 2021-08-30 stsp if (iremote.nsend_branches > 0) {
2531 6480c871 2021-08-30 stsp remote->send_branches = recallocarray(NULL, 0,
2532 6480c871 2021-08-30 stsp iremote.nsend_branches, sizeof(char *));
2533 6480c871 2021-08-30 stsp if (remote->send_branches == NULL) {
2534 99495ddb 2021-01-10 stsp err = got_error_from_errno("calloc");
2535 99495ddb 2021-01-10 stsp free_remote_data(remote);
2539 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2540 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nsend_branches; i++) {
2541 6480c871 2021-08-30 stsp char *branch;
2542 6480c871 2021-08-30 stsp err = got_privsep_recv_gotconfig_str(&branch,
2544 6480c871 2021-08-30 stsp if (err) {
2545 6480c871 2021-08-30 stsp free_remote_data(remote);
2546 6480c871 2021-08-30 stsp goto done;
2548 6480c871 2021-08-30 stsp remote->send_branches[i] = branch;
2549 6480c871 2021-08-30 stsp remote->nsend_branches++;
2551 6480c871 2021-08-30 stsp if (iremote.nfetch_refs > 0) {
2552 6480c871 2021-08-30 stsp remote->fetch_refs = recallocarray(NULL, 0,
2553 6480c871 2021-08-30 stsp iremote.nfetch_refs, sizeof(char *));
2554 6480c871 2021-08-30 stsp if (remote->fetch_refs == NULL) {
2555 6480c871 2021-08-30 stsp err = got_error_from_errno("calloc");
2556 6480c871 2021-08-30 stsp free_remote_data(remote);
2560 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2561 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_refs; i++) {
2562 99495ddb 2021-01-10 stsp char *ref;
2563 99495ddb 2021-01-10 stsp err = got_privsep_recv_gotconfig_str(&ref,
2565 99495ddb 2021-01-10 stsp if (err) {
2566 99495ddb 2021-01-10 stsp free_remote_data(remote);
2567 99495ddb 2021-01-10 stsp goto done;
2569 6480c871 2021-08-30 stsp remote->fetch_refs[i] = ref;
2570 6480c871 2021-08-30 stsp remote->nfetch_refs++;
2572 257add31 2020-09-09 stsp (*nremotes)++;
2575 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2579 257add31 2020-09-09 stsp imsg_free(&imsg);
2584 257add31 2020-09-09 stsp if (err) {
2586 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2587 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2588 257add31 2020-09-09 stsp free(*remotes);
2589 257add31 2020-09-09 stsp *remotes = NULL;
2590 257add31 2020-09-09 stsp *nremotes = 0;
2592 257add31 2020-09-09 stsp return err;
2595 257add31 2020-09-09 stsp const struct got_error *
2596 ca6e02ac 2020-01-07 stsp got_privsep_send_commit_traversal_request(struct imsgbuf *ibuf,
2597 abc59930 2021-09-05 naddy struct got_object_id *id, int idx, const char *path)
2599 ca6e02ac 2020-01-07 stsp struct ibuf *wbuf;
2600 ca6e02ac 2020-01-07 stsp size_t path_len = strlen(path) + 1;
2602 ca6e02ac 2020-01-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_COMMIT_TRAVERSAL_REQUEST, 0, 0,
2603 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_traversal_request) + path_len);
2604 ca6e02ac 2020-01-07 stsp if (wbuf == NULL)
2605 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
2606 ca6e02ac 2020-01-07 stsp "imsg_create COMMIT_TRAVERSAL_REQUEST");
2607 1453347d 2022-05-19 stsp if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1)
2608 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add "
2609 1453347d 2022-05-19 stsp "COMMIT_TRAVERSAL_REQUEST");
2610 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &idx, sizeof(idx)) == -1)
2611 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add "
2612 1453347d 2022-05-19 stsp "COMMIT_TRAVERSAL_REQUEST");
2613 1453347d 2022-05-19 stsp if (imsg_add(wbuf, path, path_len) == -1)
2614 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add "
2615 1453347d 2022-05-19 stsp "COMMIT_TRAVERSAL_REQUEST");
2617 ca6e02ac 2020-01-07 stsp wbuf->fd = -1;
2618 ca6e02ac 2020-01-07 stsp imsg_close(ibuf, wbuf);
2620 ca6e02ac 2020-01-07 stsp return flush_imsg(ibuf);
2623 ca6e02ac 2020-01-07 stsp const struct got_error *
2624 ca6e02ac 2020-01-07 stsp got_privsep_recv_traversed_commits(struct got_commit_object **changed_commit,
2625 ca6e02ac 2020-01-07 stsp struct got_object_id **changed_commit_id,
2626 ca6e02ac 2020-01-07 stsp struct got_object_id_queue *commit_ids, struct imsgbuf *ibuf)
2628 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
2629 ca6e02ac 2020-01-07 stsp struct imsg imsg;
2630 ca6e02ac 2020-01-07 stsp struct got_imsg_traversed_commits *icommits;
2631 ca6e02ac 2020-01-07 stsp size_t datalen;
2632 ca6e02ac 2020-01-07 stsp int i, done = 0;
2634 ca6e02ac 2020-01-07 stsp *changed_commit = NULL;
2635 ca6e02ac 2020-01-07 stsp *changed_commit_id = NULL;
2637 ca6e02ac 2020-01-07 stsp while (!done) {
2638 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2640 ca6e02ac 2020-01-07 stsp return err;
2642 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2643 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
2644 ca6e02ac 2020-01-07 stsp case GOT_IMSG_TRAVERSED_COMMITS:
2645 ca6e02ac 2020-01-07 stsp icommits = imsg.data;
2646 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommits) +
2647 ca6e02ac 2020-01-07 stsp icommits->ncommits * SHA1_DIGEST_LENGTH) {
2648 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2651 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommits->ncommits; i++) {
2652 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
2653 ca6e02ac 2020-01-07 stsp uint8_t *sha1 = (uint8_t *)imsg.data +
2654 ca6e02ac 2020-01-07 stsp sizeof(*icommits) + i * SHA1_DIGEST_LENGTH;
2655 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
2658 d7b5a0e8 2022-04-20 stsp memcpy(qid->id.sha1, sha1, SHA1_DIGEST_LENGTH);
2659 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(commit_ids, qid, entry);
2661 ca6e02ac 2020-01-07 stsp /* The last commit may contain a change. */
2662 ca6e02ac 2020-01-07 stsp if (i == icommits->ncommits - 1) {
2663 ca6e02ac 2020-01-07 stsp *changed_commit_id =
2664 d7b5a0e8 2022-04-20 stsp got_object_id_dup(&qid->id);
2665 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2666 ca6e02ac 2020-01-07 stsp err = got_error_from_errno(
2667 ca6e02ac 2020-01-07 stsp "got_object_id_dup");
2673 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
2674 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2675 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2678 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(changed_commit, &imsg,
2679 ca6e02ac 2020-01-07 stsp datalen, ibuf);
2681 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT_TRAVERSAL_DONE:
2685 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2689 ca6e02ac 2020-01-07 stsp imsg_free(&imsg);
2695 ca6e02ac 2020-01-07 stsp got_object_id_queue_free(commit_ids);
2696 ca6e02ac 2020-01-07 stsp return err;
2699 0ab4c957 2022-06-13 stsp const struct got_error *
2700 0ab4c957 2022-06-13 stsp got_privsep_send_enumerated_tree(size_t *totlen, struct imsgbuf *ibuf,
2701 0ab4c957 2022-06-13 stsp struct got_object_id *tree_id, const char *path,
2702 0ab4c957 2022-06-13 stsp struct got_parsed_tree_entry *entries, int nentries)
2704 0ab4c957 2022-06-13 stsp const struct got_error *err = NULL;
2705 0ab4c957 2022-06-13 stsp struct ibuf *wbuf;
2706 0ab4c957 2022-06-13 stsp size_t path_len = strlen(path);
2707 0ab4c957 2022-06-13 stsp size_t msglen;
2709 0ab4c957 2022-06-13 stsp msglen = sizeof(struct got_imsg_enumerated_tree) + path_len;
2710 0ab4c957 2022-06-13 stsp wbuf = imsg_create(ibuf, GOT_IMSG_ENUMERATED_TREE, 0, 0, msglen);
2711 0ab4c957 2022-06-13 stsp if (wbuf == NULL)
2712 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_create ENUMERATED_TREE");
2714 0ab4c957 2022-06-13 stsp if (imsg_add(wbuf, tree_id->sha1, SHA1_DIGEST_LENGTH) == -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, &nentries, sizeof(nentries)) == -1)
2717 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_add ENUMERATED_TREE");
2718 0ab4c957 2022-06-13 stsp if (imsg_add(wbuf, path, path_len) == -1)
2719 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_add ENUMERATED_TREE");
2721 0ab4c957 2022-06-13 stsp wbuf->fd = -1;
2722 0ab4c957 2022-06-13 stsp imsg_close(ibuf, wbuf);
2724 0ab4c957 2022-06-13 stsp if (entries) {
2725 0ab4c957 2022-06-13 stsp err = send_tree_entries(ibuf, entries, nentries);
2727 0ab4c957 2022-06-13 stsp return err;
2730 0ab4c957 2022-06-13 stsp return flush_imsg(ibuf);
2733 67fd6849 2022-02-13 stsp const struct got_error *
2734 0ab4c957 2022-06-13 stsp got_privsep_send_object_enumeration_request(struct imsgbuf *ibuf)
2736 0ab4c957 2022-06-13 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_REQUEST,
2737 0ab4c957 2022-06-13 stsp 0, 0, -1, NULL, 0) == -1)
2738 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_compose "
2739 0ab4c957 2022-06-13 stsp "OBJECT_ENUMERATION_REQUEST");
2741 0ab4c957 2022-06-13 stsp return flush_imsg(ibuf);
2744 0ab4c957 2022-06-13 stsp const struct got_error *
2745 0ab4c957 2022-06-13 stsp got_privsep_send_object_enumeration_done(struct imsgbuf *ibuf)
2747 0ab4c957 2022-06-13 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_DONE,
2748 0ab4c957 2022-06-13 stsp 0, 0, -1, NULL, 0) == -1)
2749 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_compose "
2750 0ab4c957 2022-06-13 stsp "OBJECT_ENUMERATION_DONE");
2752 0ab4c957 2022-06-13 stsp return flush_imsg(ibuf);
2755 0ab4c957 2022-06-13 stsp const struct got_error *
2756 db9b9b1c 2022-06-14 stsp got_privsep_send_object_enumeration_incomplete(struct imsgbuf *ibuf)
2758 db9b9b1c 2022-06-14 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_INCOMPLETE,
2759 db9b9b1c 2022-06-14 stsp 0, 0, -1, NULL, 0) == -1)
2760 db9b9b1c 2022-06-14 stsp return got_error_from_errno("imsg_compose "
2761 db9b9b1c 2022-06-14 stsp "OBJECT_ENUMERATION_INCOMPLETE");
2763 db9b9b1c 2022-06-14 stsp return flush_imsg(ibuf);
2766 db9b9b1c 2022-06-14 stsp const struct got_error *
2767 0ab4c957 2022-06-13 stsp got_privsep_send_enumerated_commit(struct imsgbuf *ibuf,
2768 0ab4c957 2022-06-13 stsp struct got_object_id *id, time_t mtime)
2770 0ab4c957 2022-06-13 stsp struct ibuf *wbuf;
2772 0ab4c957 2022-06-13 stsp wbuf = imsg_create(ibuf, GOT_IMSG_ENUMERATED_COMMIT, 0, 0,
2773 0ab4c957 2022-06-13 stsp sizeof(struct got_imsg_enumerated_commit) + SHA1_DIGEST_LENGTH);
2774 0ab4c957 2022-06-13 stsp if (wbuf == NULL)
2775 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_create ENUMERATED_COMMIT");
2777 0ab4c957 2022-06-13 stsp /* Keep in sync with struct got_imsg_enumerated_commit! */
2778 0ab4c957 2022-06-13 stsp if (imsg_add(wbuf, id, SHA1_DIGEST_LENGTH) == -1)
2779 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_add ENUMERATED_COMMIT");
2780 0ab4c957 2022-06-13 stsp if (imsg_add(wbuf, &mtime, sizeof(mtime)) == -1)
2781 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_add ENUMERATED_COMMIT");
2783 0ab4c957 2022-06-13 stsp wbuf->fd = -1;
2784 0ab4c957 2022-06-13 stsp imsg_close(ibuf, wbuf);
2785 0ab4c957 2022-06-13 stsp /* Don't flush yet, tree entries or ENUMERATION_DONE will follow. */
2786 0ab4c957 2022-06-13 stsp return NULL;
2789 0ab4c957 2022-06-13 stsp const struct got_error *
2790 db9b9b1c 2022-06-14 stsp got_privsep_recv_enumerated_objects(int *found_all_objects,
2791 db9b9b1c 2022-06-14 stsp struct imsgbuf *ibuf,
2792 0ab4c957 2022-06-13 stsp got_object_enumerate_commit_cb cb_commit,
2793 0ab4c957 2022-06-13 stsp got_object_enumerate_tree_cb cb_tree, void *cb_arg,
2794 0ab4c957 2022-06-13 stsp struct got_repository *repo)
2796 0ab4c957 2022-06-13 stsp const struct got_error *err = NULL;
2797 0ab4c957 2022-06-13 stsp struct imsg imsg;
2798 0ab4c957 2022-06-13 stsp struct got_imsg_enumerated_commit *icommit = NULL;
2799 0ab4c957 2022-06-13 stsp struct got_object_id commit_id;
2800 0ab4c957 2022-06-13 stsp int have_commit = 0;
2801 0ab4c957 2022-06-13 stsp time_t mtime = 0;
2802 0ab4c957 2022-06-13 stsp struct got_tree_object tree;
2803 0ab4c957 2022-06-13 stsp struct got_imsg_enumerated_tree *itree;
2804 0ab4c957 2022-06-13 stsp struct got_object_id tree_id;
2805 0ab4c957 2022-06-13 stsp char *path = NULL, *canon_path = NULL;
2806 0ab4c957 2022-06-13 stsp size_t datalen, path_len;
2807 0ab4c957 2022-06-13 stsp int nentries = -1;
2808 0ab4c957 2022-06-13 stsp int done = 0;
2810 db9b9b1c 2022-06-14 stsp *found_all_objects = 0;
2811 0ab4c957 2022-06-13 stsp memset(&tree, 0, sizeof(tree));
2813 0ab4c957 2022-06-13 stsp while (!done) {
2814 0ab4c957 2022-06-13 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2818 0ab4c957 2022-06-13 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2819 0ab4c957 2022-06-13 stsp switch (imsg.hdr.type) {
2820 b4b1b9c0 2022-06-14 op case GOT_IMSG_ENUMERATED_COMMIT:
2821 0ab4c957 2022-06-13 stsp if (have_commit && nentries != -1) {
2822 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2825 0ab4c957 2022-06-13 stsp if (datalen != sizeof(*icommit)) {
2826 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2829 0ab4c957 2022-06-13 stsp icommit = (struct got_imsg_enumerated_commit *)imsg.data;
2830 0ab4c957 2022-06-13 stsp memcpy(commit_id.sha1, icommit->id, SHA1_DIGEST_LENGTH);
2831 0ab4c957 2022-06-13 stsp mtime = icommit->mtime;
2832 0ab4c957 2022-06-13 stsp have_commit = 1;
2834 0ab4c957 2022-06-13 stsp case GOT_IMSG_ENUMERATED_TREE:
2835 0ab4c957 2022-06-13 stsp /* Should be preceeded by GOT_IMSG_ENUMERATED_COMMIT. */
2836 0ab4c957 2022-06-13 stsp if (!have_commit) {
2837 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2840 0ab4c957 2022-06-13 stsp if (datalen < sizeof(*itree)) {
2841 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2844 0ab4c957 2022-06-13 stsp itree = imsg.data;
2845 0ab4c957 2022-06-13 stsp path_len = datalen - sizeof(*itree);
2846 0ab4c957 2022-06-13 stsp if (path_len == 0) {
2847 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2850 0ab4c957 2022-06-13 stsp memcpy(tree_id.sha1, itree->id, sizeof(tree_id.sha1));
2851 0ab4c957 2022-06-13 stsp free(path);
2852 0ab4c957 2022-06-13 stsp path = malloc(path_len + 1);
2853 0ab4c957 2022-06-13 stsp if (path == NULL) {
2854 0ab4c957 2022-06-13 stsp err = got_error_from_errno("malloc");
2857 0ab4c957 2022-06-13 stsp free(canon_path);
2858 0ab4c957 2022-06-13 stsp canon_path = malloc(path_len + 1);
2859 0ab4c957 2022-06-13 stsp if (canon_path == NULL) {
2860 0ab4c957 2022-06-13 stsp err = got_error_from_errno("malloc");
2863 0ab4c957 2022-06-13 stsp memcpy(path, (uint8_t *)imsg.data + sizeof(*itree),
2864 0ab4c957 2022-06-13 stsp path_len);
2865 0ab4c957 2022-06-13 stsp path[path_len] = '\0';
2866 0ab4c957 2022-06-13 stsp if (!got_path_is_absolute(path)) {
2867 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_BAD_PATH);
2870 0ab4c957 2022-06-13 stsp if (got_path_is_root_dir(path)) {
2871 0ab4c957 2022-06-13 stsp /* XXX check what got_canonpath() does wrong */
2872 0ab4c957 2022-06-13 stsp canon_path[0] = '/';
2873 0ab4c957 2022-06-13 stsp canon_path[1] = '\0';
2875 0ab4c957 2022-06-13 stsp err = got_canonpath(path, canon_path,
2876 0ab4c957 2022-06-13 stsp path_len + 1);
2880 0ab4c957 2022-06-13 stsp if (strcmp(path, canon_path) != 0) {
2881 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_BAD_PATH);
2884 0ab4c957 2022-06-13 stsp if (nentries != -1) {
2885 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2888 0ab4c957 2022-06-13 stsp if (itree->nentries < -1) {
2889 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2892 0ab4c957 2022-06-13 stsp if (itree->nentries == -1) {
2893 0ab4c957 2022-06-13 stsp /* Tree was not found in pack file. */
2895 0ab4c957 2022-06-13 stsp err = cb_tree(cb_arg, NULL, mtime, &tree_id,
2896 0ab4c957 2022-06-13 stsp path, repo);
2899 0ab4c957 2022-06-13 stsp if (itree->nentries > INT_MAX) {
2900 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2903 0ab4c957 2022-06-13 stsp tree.entries = calloc(itree->nentries,
2904 0ab4c957 2022-06-13 stsp sizeof(struct got_tree_entry));
2905 0ab4c957 2022-06-13 stsp if (tree.entries == NULL) {
2906 0ab4c957 2022-06-13 stsp err = got_error_from_errno("calloc");
2909 0ab4c957 2022-06-13 stsp if (itree->nentries == 0) {
2910 0ab4c957 2022-06-13 stsp err = cb_tree(cb_arg, &tree, mtime, &tree_id,
2911 0ab4c957 2022-06-13 stsp path, repo);
2915 0ab4c957 2022-06-13 stsp /* Prepare for next tree. */
2916 0ab4c957 2022-06-13 stsp free(tree.entries);
2917 0ab4c957 2022-06-13 stsp memset(&tree, 0, sizeof(tree));
2918 0ab4c957 2022-06-13 stsp nentries = -1;
2920 0ab4c957 2022-06-13 stsp tree.nentries = itree->nentries;
2921 0ab4c957 2022-06-13 stsp nentries = 0;
2924 0ab4c957 2022-06-13 stsp case GOT_IMSG_TREE_ENTRIES:
2925 0ab4c957 2022-06-13 stsp /* Should be preceeded by GOT_IMSG_ENUMERATED_TREE. */
2926 0ab4c957 2022-06-13 stsp if (nentries <= -1) {
2927 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2930 0ab4c957 2022-06-13 stsp err = recv_tree_entries(imsg.data, datalen,
2931 0ab4c957 2022-06-13 stsp &tree, &nentries);
2934 0ab4c957 2022-06-13 stsp if (tree.nentries == nentries) {
2935 0ab4c957 2022-06-13 stsp err = cb_tree(cb_arg, &tree, mtime, &tree_id,
2936 0ab4c957 2022-06-13 stsp path, repo);
2940 0ab4c957 2022-06-13 stsp /* Prepare for next tree. */
2941 0ab4c957 2022-06-13 stsp free(tree.entries);
2942 0ab4c957 2022-06-13 stsp memset(&tree, 0, sizeof(tree));
2943 0ab4c957 2022-06-13 stsp nentries = -1;
2946 0ab4c957 2022-06-13 stsp case GOT_IMSG_TREE_ENUMERATION_DONE:
2947 0ab4c957 2022-06-13 stsp /* All trees have been found and traversed. */
2948 0ab4c957 2022-06-13 stsp if (!have_commit || path == NULL || nentries != -1) {
2949 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2952 0ab4c957 2022-06-13 stsp err = cb_commit(cb_arg, mtime, &commit_id, repo);
2955 0ab4c957 2022-06-13 stsp have_commit = 0;
2957 0ab4c957 2022-06-13 stsp case GOT_IMSG_OBJECT_ENUMERATION_DONE:
2958 db9b9b1c 2022-06-14 stsp *found_all_objects = 1;
2961 db9b9b1c 2022-06-14 stsp case GOT_IMSG_OBJECT_ENUMERATION_INCOMPLETE:
2965 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2969 0ab4c957 2022-06-13 stsp imsg_free(&imsg);
2974 0ab4c957 2022-06-13 stsp free(path);
2975 0ab4c957 2022-06-13 stsp free(canon_path);
2976 0ab4c957 2022-06-13 stsp free(tree.entries);
2977 0ab4c957 2022-06-13 stsp return err;
2980 0ab4c957 2022-06-13 stsp const struct got_error *
2981 67fd6849 2022-02-13 stsp got_privsep_send_raw_delta_req(struct imsgbuf *ibuf, int idx,
2982 67fd6849 2022-02-13 stsp struct got_object_id *id)
2984 67fd6849 2022-02-13 stsp struct got_imsg_raw_delta_request dreq;
2986 67fd6849 2022-02-13 stsp dreq.idx = idx;
2987 67fd6849 2022-02-13 stsp memcpy(dreq.id, id->sha1, SHA1_DIGEST_LENGTH);
2989 67fd6849 2022-02-13 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_DELTA_REQUEST, 0, 0, -1,
2990 67fd6849 2022-02-13 stsp &dreq, sizeof(dreq)) == -1)
2991 67fd6849 2022-02-13 stsp return got_error_from_errno("imsg_compose RAW_DELTA_REQUEST");
2993 67fd6849 2022-02-13 stsp return flush_imsg(ibuf);
2996 67fd6849 2022-02-13 stsp const struct got_error *
2997 67fd6849 2022-02-13 stsp got_privsep_send_raw_delta_outfd(struct imsgbuf *ibuf, int fd)
2999 67fd6849 2022-02-13 stsp return send_fd(ibuf, GOT_IMSG_RAW_DELTA_OUTFD, fd);
3002 67fd6849 2022-02-13 stsp const struct got_error *
3003 67fd6849 2022-02-13 stsp got_privsep_send_raw_delta(struct imsgbuf *ibuf, uint64_t base_size,
3004 2d9e6abf 2022-05-04 stsp uint64_t result_size, off_t delta_size, off_t delta_compressed_size,
3005 2d9e6abf 2022-05-04 stsp off_t delta_offset, off_t delta_out_offset, struct got_object_id *base_id)
3007 67fd6849 2022-02-13 stsp struct got_imsg_raw_delta idelta;
3010 67fd6849 2022-02-13 stsp idelta.base_size = base_size;
3011 67fd6849 2022-02-13 stsp idelta.result_size = result_size;
3012 67fd6849 2022-02-13 stsp idelta.delta_size = delta_size;
3013 2d9e6abf 2022-05-04 stsp idelta.delta_compressed_size = delta_compressed_size;
3014 67fd6849 2022-02-13 stsp idelta.delta_offset = delta_offset;
3015 67fd6849 2022-02-13 stsp idelta.delta_out_offset = delta_out_offset;
3016 67fd6849 2022-02-13 stsp memcpy(idelta.base_id, base_id->sha1, SHA1_DIGEST_LENGTH);
3018 67fd6849 2022-02-13 stsp ret = imsg_compose(ibuf, GOT_IMSG_RAW_DELTA, 0, 0, -1,
3019 67fd6849 2022-02-13 stsp &idelta, sizeof(idelta));
3020 67fd6849 2022-02-13 stsp if (ret == -1)
3021 67fd6849 2022-02-13 stsp return got_error_from_errno("imsg_compose RAW_DELTA");
3023 67fd6849 2022-02-13 stsp return flush_imsg(ibuf);
3026 ca6e02ac 2020-01-07 stsp const struct got_error *
3027 67fd6849 2022-02-13 stsp got_privsep_recv_raw_delta(uint64_t *base_size, uint64_t *result_size,
3028 2d9e6abf 2022-05-04 stsp off_t *delta_size, off_t *delta_compressed_size, off_t *delta_offset,
3029 2d9e6abf 2022-05-04 stsp off_t *delta_out_offset, struct got_object_id **base_id, struct imsgbuf *ibuf)
3031 67fd6849 2022-02-13 stsp const struct got_error *err = NULL;
3032 67fd6849 2022-02-13 stsp struct imsg imsg;
3033 67fd6849 2022-02-13 stsp struct got_imsg_raw_delta *delta;
3034 67fd6849 2022-02-13 stsp size_t datalen;
3036 67fd6849 2022-02-13 stsp *base_size = 0;
3037 67fd6849 2022-02-13 stsp *result_size = 0;
3038 67fd6849 2022-02-13 stsp *delta_size = 0;
3039 2d9e6abf 2022-05-04 stsp *delta_compressed_size = 0;
3040 67fd6849 2022-02-13 stsp *delta_offset = 0;
3041 67fd6849 2022-02-13 stsp *delta_out_offset = 0;
3042 67fd6849 2022-02-13 stsp *base_id = NULL;
3044 67fd6849 2022-02-13 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3046 67fd6849 2022-02-13 stsp return err;
3048 67fd6849 2022-02-13 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3050 67fd6849 2022-02-13 stsp switch (imsg.hdr.type) {
3051 67fd6849 2022-02-13 stsp case GOT_IMSG_RAW_DELTA:
3052 67fd6849 2022-02-13 stsp if (datalen != sizeof(*delta)) {
3053 67fd6849 2022-02-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
3056 67fd6849 2022-02-13 stsp delta = imsg.data;
3057 67fd6849 2022-02-13 stsp *base_size = delta->base_size;
3058 67fd6849 2022-02-13 stsp *result_size = delta->result_size;
3059 67fd6849 2022-02-13 stsp *delta_size = delta->delta_size;
3060 2d9e6abf 2022-05-04 stsp *delta_compressed_size = delta->delta_compressed_size;
3061 67fd6849 2022-02-13 stsp *delta_offset = delta->delta_offset;
3062 67fd6849 2022-02-13 stsp *delta_out_offset = delta->delta_out_offset;
3063 67fd6849 2022-02-13 stsp *base_id = calloc(1, sizeof(**base_id));
3064 67fd6849 2022-02-13 stsp if (*base_id == NULL) {
3065 67fd6849 2022-02-13 stsp err = got_error_from_errno("malloc");
3068 67fd6849 2022-02-13 stsp memcpy((*base_id)->sha1, delta->base_id, SHA1_DIGEST_LENGTH);
3071 67fd6849 2022-02-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
3075 67fd6849 2022-02-13 stsp imsg_free(&imsg);
3077 67fd6849 2022-02-13 stsp if (err) {
3078 67fd6849 2022-02-13 stsp free(*base_id);
3079 67fd6849 2022-02-13 stsp *base_id = NULL;
3081 fae7e038 2022-05-07 stsp return err;
3084 0ab4c957 2022-06-13 stsp static const struct got_error *
3085 0ab4c957 2022-06-13 stsp send_idlist(struct imsgbuf *ibuf, struct got_object_id **ids, size_t nids)
3087 fae7e038 2022-05-07 stsp const struct got_error *err = NULL;
3088 fae7e038 2022-05-07 stsp struct got_imsg_object_idlist idlist;
3089 fae7e038 2022-05-07 stsp struct ibuf *wbuf;
3092 fae7e038 2022-05-07 stsp if (nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS)
3093 fae7e038 2022-05-07 stsp return got_error(GOT_ERR_NO_SPACE);
3095 fae7e038 2022-05-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_OBJ_ID_LIST, 0, 0,
3096 fae7e038 2022-05-07 stsp sizeof(idlist) + nids * sizeof(**ids));
3097 fae7e038 2022-05-07 stsp if (wbuf == NULL) {
3098 fae7e038 2022-05-07 stsp err = got_error_from_errno("imsg_create OBJ_ID_LIST");
3099 fae7e038 2022-05-07 stsp return err;
3102 fae7e038 2022-05-07 stsp idlist.nids = nids;
3103 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &idlist, sizeof(idlist)) == -1)
3104 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add OBJ_ID_LIST");
3106 fae7e038 2022-05-07 stsp for (i = 0; i < nids; i++) {
3107 fae7e038 2022-05-07 stsp struct got_object_id *id = ids[i];
3108 1453347d 2022-05-19 stsp if (imsg_add(wbuf, id, sizeof(*id)) == -1)
3109 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add OBJ_ID_LIST");
3112 fae7e038 2022-05-07 stsp wbuf->fd = -1;
3113 fae7e038 2022-05-07 stsp imsg_close(ibuf, wbuf);
3115 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
3118 fae7e038 2022-05-07 stsp const struct got_error *
3119 0ab4c957 2022-06-13 stsp got_privsep_send_object_idlist(struct imsgbuf *ibuf,
3120 0ab4c957 2022-06-13 stsp struct got_object_id **ids, size_t nids)
3122 0ab4c957 2022-06-13 stsp const struct got_error *err = NULL;
3123 0ab4c957 2022-06-13 stsp struct got_object_id *idlist[GOT_IMSG_OBJ_ID_LIST_MAX_NIDS];
3124 a5e587e0 2022-06-14 stsp int i, queued = 0;
3126 b4b1b9c0 2022-06-14 op for (i = 0; i < nids; i++) {
3127 a5e587e0 2022-06-14 stsp idlist[i % nitems(idlist)] = ids[i];
3129 afd31498 2022-06-14 stsp if (queued >= nitems(idlist)) {
3130 a5e587e0 2022-06-14 stsp err = send_idlist(ibuf, idlist, queued);
3132 0ab4c957 2022-06-13 stsp return err;
3133 a5e587e0 2022-06-14 stsp queued = 0;
3137 a5e587e0 2022-06-14 stsp if (queued > 0) {
3138 a5e587e0 2022-06-14 stsp err = send_idlist(ibuf, idlist, queued);
3140 0ab4c957 2022-06-13 stsp return err;
3143 0ab4c957 2022-06-13 stsp return NULL;
3146 0ab4c957 2022-06-13 stsp const struct got_error *
3147 fae7e038 2022-05-07 stsp got_privsep_send_object_idlist_done(struct imsgbuf *ibuf)
3149 fae7e038 2022-05-07 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJ_ID_LIST_DONE, 0, 0, -1, NULL, 0)
3151 fae7e038 2022-05-07 stsp return got_error_from_errno("imsg_compose OBJ_ID_LIST_DONE");
3153 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
3156 fae7e038 2022-05-07 stsp const struct got_error *
3157 fae7e038 2022-05-07 stsp got_privsep_recv_object_idlist(int *done, struct got_object_id **ids,
3158 fae7e038 2022-05-07 stsp size_t *nids, struct imsgbuf *ibuf)
3160 fae7e038 2022-05-07 stsp const struct got_error *err = NULL;
3161 fae7e038 2022-05-07 stsp struct imsg imsg;
3162 fae7e038 2022-05-07 stsp struct got_imsg_object_idlist *idlist;
3163 fae7e038 2022-05-07 stsp size_t datalen;
3165 fae7e038 2022-05-07 stsp *ids = NULL;
3166 fae7e038 2022-05-07 stsp *done = 0;
3167 fae7e038 2022-05-07 stsp *nids = 0;
3169 fae7e038 2022-05-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3171 fae7e038 2022-05-07 stsp return err;
3173 fae7e038 2022-05-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3174 fae7e038 2022-05-07 stsp switch (imsg.hdr.type) {
3175 fae7e038 2022-05-07 stsp case GOT_IMSG_OBJ_ID_LIST:
3176 fae7e038 2022-05-07 stsp if (datalen < sizeof(*idlist)) {
3177 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
3180 fae7e038 2022-05-07 stsp idlist = imsg.data;
3181 c98b0f0b 2022-06-14 op if (idlist->nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS ||
3182 c98b0f0b 2022-06-14 op idlist->nids * sizeof(**ids) > datalen - sizeof(*idlist)) {
3183 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
3186 fae7e038 2022-05-07 stsp *nids = idlist->nids;
3187 fae7e038 2022-05-07 stsp *ids = calloc(*nids, sizeof(**ids));
3188 fae7e038 2022-05-07 stsp if (*ids == NULL) {
3189 fae7e038 2022-05-07 stsp err = got_error_from_errno("calloc");
3192 0fca100c 2022-06-14 op memcpy(*ids, (uint8_t *)imsg.data + sizeof(*idlist),
3193 fae7e038 2022-05-07 stsp *nids * sizeof(**ids));
3195 fae7e038 2022-05-07 stsp case GOT_IMSG_OBJ_ID_LIST_DONE:
3196 fae7e038 2022-05-07 stsp *done = 1;
3199 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
3203 fae7e038 2022-05-07 stsp imsg_free(&imsg);
3205 fae7e038 2022-05-07 stsp return err;
3208 fae7e038 2022-05-07 stsp const struct got_error *
3209 fae7e038 2022-05-07 stsp got_privsep_send_delta_reuse_req(struct imsgbuf *ibuf)
3211 fae7e038 2022-05-07 stsp if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_REQUEST, 0, 0, -1, NULL, 0)
3213 fae7e038 2022-05-07 stsp return got_error_from_errno("imsg_compose DELTA_REUSE_REQUEST");
3215 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
3218 fae7e038 2022-05-07 stsp const struct got_error *
3219 fae7e038 2022-05-07 stsp got_privsep_send_reused_deltas(struct imsgbuf *ibuf,
3220 fae7e038 2022-05-07 stsp struct got_imsg_reused_delta *deltas, size_t ndeltas)
3222 fae7e038 2022-05-07 stsp const struct got_error *err = NULL;
3223 fae7e038 2022-05-07 stsp struct ibuf *wbuf;
3224 fae7e038 2022-05-07 stsp struct got_imsg_reused_deltas ideltas;
3227 fae7e038 2022-05-07 stsp if (ndeltas > GOT_IMSG_REUSED_DELTAS_MAX_NDELTAS)
3228 fae7e038 2022-05-07 stsp return got_error(GOT_ERR_NO_SPACE);
3230 fae7e038 2022-05-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_REUSED_DELTAS, 0, 0,
3231 fae7e038 2022-05-07 stsp sizeof(ideltas) + ndeltas * sizeof(*deltas));
3232 fae7e038 2022-05-07 stsp if (wbuf == NULL) {
3233 fae7e038 2022-05-07 stsp err = got_error_from_errno("imsg_create REUSED_DELTAS");
3234 fae7e038 2022-05-07 stsp return err;
3237 fae7e038 2022-05-07 stsp ideltas.ndeltas = ndeltas;
3238 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &ideltas, sizeof(ideltas)) == -1)
3239 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add REUSED_DELTAS");
3241 fae7e038 2022-05-07 stsp for (i = 0; i < ndeltas; i++) {
3242 fae7e038 2022-05-07 stsp struct got_imsg_reused_delta *delta = &deltas[i];
3243 1453347d 2022-05-19 stsp if (imsg_add(wbuf, delta, sizeof(*delta)) == -1)
3244 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add REUSED_DELTAS");
3247 fae7e038 2022-05-07 stsp wbuf->fd = -1;
3248 fae7e038 2022-05-07 stsp imsg_close(ibuf, wbuf);
3250 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
3253 fae7e038 2022-05-07 stsp const struct got_error *
3254 fae7e038 2022-05-07 stsp got_privsep_send_reused_deltas_done(struct imsgbuf *ibuf)
3256 fae7e038 2022-05-07 stsp if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_DONE, 0, 0, -1, NULL, 0)
3258 fae7e038 2022-05-07 stsp return got_error_from_errno("imsg_compose DELTA_REUSE_DONE");
3260 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
3263 fae7e038 2022-05-07 stsp const struct got_error *
3264 fae7e038 2022-05-07 stsp got_privsep_recv_reused_deltas(int *done, struct got_imsg_reused_delta *deltas,
3265 fae7e038 2022-05-07 stsp size_t *ndeltas, struct imsgbuf *ibuf)
3267 fae7e038 2022-05-07 stsp const struct got_error *err = NULL;
3268 fae7e038 2022-05-07 stsp struct imsg imsg;
3269 fae7e038 2022-05-07 stsp struct got_imsg_reused_deltas *ideltas;
3270 fae7e038 2022-05-07 stsp size_t datalen;
3272 fae7e038 2022-05-07 stsp *done = 0;
3273 fae7e038 2022-05-07 stsp *ndeltas = 0;
3275 fae7e038 2022-05-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3277 fae7e038 2022-05-07 stsp return err;
3279 fae7e038 2022-05-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3280 fae7e038 2022-05-07 stsp switch (imsg.hdr.type) {
3281 fae7e038 2022-05-07 stsp case GOT_IMSG_REUSED_DELTAS:
3282 fae7e038 2022-05-07 stsp if (datalen < sizeof(*ideltas)) {
3283 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
3286 fae7e038 2022-05-07 stsp ideltas = imsg.data;
3287 c98b0f0b 2022-06-14 op if (ideltas->ndeltas > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS ||
3288 c98b0f0b 2022-06-14 op ideltas->ndeltas * sizeof(*deltas) >
3289 c98b0f0b 2022-06-14 op datalen - sizeof(*ideltas)) {
3290 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
3293 fae7e038 2022-05-07 stsp *ndeltas = ideltas->ndeltas;
3294 0fca100c 2022-06-14 op memcpy(deltas, (uint8_t *)imsg.data + sizeof(*ideltas),
3295 fae7e038 2022-05-07 stsp *ndeltas * sizeof(*deltas));
3297 fae7e038 2022-05-07 stsp case GOT_IMSG_DELTA_REUSE_DONE:
3298 fae7e038 2022-05-07 stsp *done = 1;
3301 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
3305 fae7e038 2022-05-07 stsp imsg_free(&imsg);
3307 67fd6849 2022-02-13 stsp return err;
3310 67fd6849 2022-02-13 stsp const struct got_error *
3311 63219cd2 2019-01-04 stsp got_privsep_unveil_exec_helpers(void)
3313 c39c25dd 2019-08-09 stsp const char *helpers[] = {
3314 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_PACK,
3315 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_OBJECT,
3316 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_COMMIT,
3317 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TREE,
3318 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_BLOB,
3319 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TAG,
3320 aba9c984 2019-09-08 stsp GOT_PATH_PROG_READ_GITCONFIG,
3321 257add31 2020-09-09 stsp GOT_PATH_PROG_READ_GOTCONFIG,
3322 e9ce266e 2022-03-07 op GOT_PATH_PROG_READ_PATCH,
3323 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_FETCH_PACK,
3324 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_INDEX_PACK,
3325 f8a36e22 2021-08-26 stsp GOT_PATH_PROG_SEND_PACK,
3329 c39c25dd 2019-08-09 stsp for (i = 0; i < nitems(helpers); i++) {
3330 c39c25dd 2019-08-09 stsp if (unveil(helpers[i], "x") == 0)
3332 c39c25dd 2019-08-09 stsp return got_error_from_errno2("unveil", helpers[i]);
3335 63219cd2 2019-01-04 stsp return NULL;
3339 aba9c984 2019-09-08 stsp got_privsep_exec_child(int imsg_fds[2], const char *path, const char *repo_path)
3341 08578a35 2021-01-22 stsp if (close(imsg_fds[0]) == -1) {
3342 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3346 aba9c984 2019-09-08 stsp if (dup2(imsg_fds[1], GOT_IMSG_FD_CHILD) == -1) {
3347 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3351 4a55b231 2021-12-09 stsp closefrom(GOT_IMSG_FD_CHILD + 1);
3353 aba9c984 2019-09-08 stsp if (execl(path, path, repo_path, (char *)NULL) == -1) {
3354 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s: %s\n", getprogname(), path,
3355 aba9c984 2019-09-08 stsp strerror(errno));
