2 5aa81393 2020-01-06 stsp * Copyright (c) 2018, 2019, 2020 Stefan Sperling <stsp@openbsd.org>
3 93658fb9 2020-03-18 stsp * Copyright (c) 2020 Ori Bernstein <ori@openbsd.org>
5 2178c42e 2018-04-22 stsp * Permission to use, copy, modify, and distribute this software for any
6 2178c42e 2018-04-22 stsp * purpose with or without fee is hereby granted, provided that the above
7 2178c42e 2018-04-22 stsp * copyright notice and this permission notice appear in all copies.
9 2178c42e 2018-04-22 stsp * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 2178c42e 2018-04-22 stsp * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 2178c42e 2018-04-22 stsp * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 2178c42e 2018-04-22 stsp * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 2178c42e 2018-04-22 stsp * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 2178c42e 2018-04-22 stsp * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 2178c42e 2018-04-22 stsp * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 2178c42e 2018-04-22 stsp #include <sys/types.h>
19 2178c42e 2018-04-22 stsp #include <sys/queue.h>
20 2178c42e 2018-04-22 stsp #include <sys/uio.h>
21 876c234b 2018-09-10 stsp #include <sys/wait.h>
23 531c3985 2020-03-18 stsp #include <ctype.h>
24 23c57b28 2020-09-11 naddy #include <limits.h>
25 a486b62b 2021-05-18 stsp #include <signal.h>
26 2178c42e 2018-04-22 stsp #include <stdio.h>
27 2178c42e 2018-04-22 stsp #include <stdlib.h>
28 2178c42e 2018-04-22 stsp #include <string.h>
29 2178c42e 2018-04-22 stsp #include <errno.h>
30 2178c42e 2018-04-22 stsp #include <stdint.h>
31 2178c42e 2018-04-22 stsp #include <poll.h>
32 2178c42e 2018-04-22 stsp #include <imsg.h>
33 2178c42e 2018-04-22 stsp #include <sha1.h>
34 81a12da5 2020-09-09 naddy #include <unistd.h>
35 2178c42e 2018-04-22 stsp #include <zlib.h>
36 788c352e 2018-06-16 stsp #include <time.h>
38 2178c42e 2018-04-22 stsp #include "got_object.h"
39 2178c42e 2018-04-22 stsp #include "got_error.h"
40 3022d272 2019-11-14 stsp #include "got_path.h"
41 cd95becd 2019-11-29 stsp #include "got_repository.h"
43 2178c42e 2018-04-22 stsp #include "got_lib_sha1.h"
44 2178c42e 2018-04-22 stsp #include "got_lib_delta.h"
45 63581804 2018-07-09 stsp #include "got_lib_inflate.h"
46 2178c42e 2018-04-22 stsp #include "got_lib_object.h"
47 a440fac0 2018-09-06 stsp #include "got_lib_object_parse.h"
48 2178c42e 2018-04-22 stsp #include "got_lib_privsep.h"
49 876c234b 2018-09-10 stsp #include "got_lib_pack.h"
52 2178c42e 2018-04-22 stsp #define MIN(_a,_b) ((_a) < (_b) ? (_a) : (_b))
55 c39c25dd 2019-08-09 stsp #ifndef nitems
56 c39c25dd 2019-08-09 stsp #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
59 2178c42e 2018-04-22 stsp static const struct got_error *
60 2178c42e 2018-04-22 stsp poll_fd(int fd, int events, int timeout)
62 2178c42e 2018-04-22 stsp struct pollfd pfd[1];
63 a486b62b 2021-05-18 stsp struct timespec ts;
64 a486b62b 2021-05-18 stsp sigset_t sigset;
67 2178c42e 2018-04-22 stsp pfd[0].fd = fd;
68 2178c42e 2018-04-22 stsp pfd[0].events = events;
70 a486b62b 2021-05-18 stsp ts.tv_sec = timeout;
71 a486b62b 2021-05-18 stsp ts.tv_nsec = 0;
73 a486b62b 2021-05-18 stsp if (sigemptyset(&sigset) == -1)
74 a486b62b 2021-05-18 stsp return got_error_from_errno("sigemptyset");
75 a486b62b 2021-05-18 stsp if (sigaddset(&sigset, SIGWINCH) == -1)
76 a486b62b 2021-05-18 stsp return got_error_from_errno("sigaddset");
78 a486b62b 2021-05-18 stsp n = ppoll(pfd, 1, timeout == INFTIM ? NULL : &ts, &sigset);
79 2178c42e 2018-04-22 stsp if (n == -1)
80 932dbee7 2021-05-19 stsp return got_error_from_errno("ppoll");
82 2178c42e 2018-04-22 stsp return got_error(GOT_ERR_TIMEOUT);
83 2178c42e 2018-04-22 stsp if (pfd[0].revents & (POLLERR | POLLNVAL))
84 638f9024 2019-05-13 stsp return got_error_from_errno("poll error");
85 2178c42e 2018-04-22 stsp if (pfd[0].revents & (events | POLLHUP))
86 2178c42e 2018-04-22 stsp return NULL;
88 2178c42e 2018-04-22 stsp return got_error(GOT_ERR_INTERRUPT);
91 c4eae628 2018-04-23 stsp static const struct got_error *
92 e033d803 2018-04-23 stsp read_imsg(struct imsgbuf *ibuf)
94 fe36cf76 2018-04-23 stsp const struct got_error *err;
97 c9b75c7b 2022-05-19 stsp err = poll_fd(ibuf->fd, POLLIN, INFTIM);
101 fe36cf76 2018-04-23 stsp n = imsg_read(ibuf);
102 fe36cf76 2018-04-23 stsp if (n == -1) {
103 fe36cf76 2018-04-23 stsp if (errno == EAGAIN) /* Could be a file-descriptor leak. */
104 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_NO_FD);
105 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_READ);
107 fe36cf76 2018-04-23 stsp if (n == 0)
108 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_PIPE);
110 e033d803 2018-04-23 stsp return NULL;
113 ad242220 2018-09-08 stsp const struct got_error *
114 876c234b 2018-09-10 stsp got_privsep_wait_for_child(pid_t pid)
116 876c234b 2018-09-10 stsp int child_status;
118 2cb49fa8 2019-05-10 stsp if (waitpid(pid, &child_status, 0) == -1)
119 638f9024 2019-05-13 stsp return got_error_from_errno("waitpid");
121 876c234b 2018-09-10 stsp if (!WIFEXITED(child_status))
122 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_DIED);
124 876c234b 2018-09-10 stsp if (WEXITSTATUS(child_status) != 0)
125 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_EXIT);
127 876c234b 2018-09-10 stsp return NULL;
130 73b7854a 2018-11-11 stsp static const struct got_error *
131 73b7854a 2018-11-11 stsp recv_imsg_error(struct imsg *imsg, size_t datalen)
133 73b7854a 2018-11-11 stsp struct got_imsg_error *ierr;
135 73b7854a 2018-11-11 stsp if (datalen != sizeof(*ierr))
136 73b7854a 2018-11-11 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
138 73b7854a 2018-11-11 stsp ierr = imsg->data;
139 73b7854a 2018-11-11 stsp if (ierr->code == GOT_ERR_ERRNO) {
140 73b7854a 2018-11-11 stsp static struct got_error serr;
141 73b7854a 2018-11-11 stsp serr.code = GOT_ERR_ERRNO;
142 73b7854a 2018-11-11 stsp serr.msg = strerror(ierr->errno_code);
143 73b7854a 2018-11-11 stsp return &serr;
146 73b7854a 2018-11-11 stsp return got_error(ierr->code);
149 876c234b 2018-09-10 stsp const struct got_error *
150 46de5bfd 2018-11-11 stsp got_privsep_recv_imsg(struct imsg *imsg, struct imsgbuf *ibuf,
151 46de5bfd 2018-11-11 stsp size_t min_datalen)
153 e033d803 2018-04-23 stsp const struct got_error *err;
156 e033d803 2018-04-23 stsp n = imsg_get(ibuf, imsg);
157 876c234b 2018-09-10 stsp if (n == -1)
158 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_get");
160 876c234b 2018-09-10 stsp while (n == 0) {
161 876c234b 2018-09-10 stsp err = read_imsg(ibuf);
163 876c234b 2018-09-10 stsp return err;
164 876c234b 2018-09-10 stsp n = imsg_get(ibuf, imsg);
165 cbfaaf20 2020-01-06 stsp if (n == -1)
166 cbfaaf20 2020-01-06 stsp return got_error_from_errno("imsg_get");
169 fe36cf76 2018-04-23 stsp if (imsg->hdr.len < IMSG_HEADER_SIZE + min_datalen)
170 c4eae628 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
172 73b7854a 2018-11-11 stsp if (imsg->hdr.type == GOT_IMSG_ERROR) {
173 73b7854a 2018-11-11 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
174 73b7854a 2018-11-11 stsp return recv_imsg_error(imsg, datalen);
177 73b7854a 2018-11-11 stsp return NULL;
180 2178c42e 2018-04-22 stsp /* Attempt to send an error in an imsg. Complain on stderr as a last resort. */
182 2178c42e 2018-04-22 stsp got_privsep_send_error(struct imsgbuf *ibuf, const struct got_error *err)
184 2178c42e 2018-04-22 stsp const struct got_error *poll_err;
185 2178c42e 2018-04-22 stsp struct got_imsg_error ierr;
188 2178c42e 2018-04-22 stsp ierr.code = err->code;
189 2178c42e 2018-04-22 stsp if (err->code == GOT_ERR_ERRNO)
190 2178c42e 2018-04-22 stsp ierr.errno_code = errno;
192 2178c42e 2018-04-22 stsp ierr.errno_code = 0;
193 2178c42e 2018-04-22 stsp ret = imsg_compose(ibuf, GOT_IMSG_ERROR, 0, 0, -1, &ierr, sizeof(ierr));
194 e93cd828 2018-11-11 stsp if (ret == -1) {
195 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_compose: %s\n",
196 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
200 2178c42e 2018-04-22 stsp poll_err = poll_fd(ibuf->fd, POLLOUT, INFTIM);
201 5d43e84d 2018-04-23 stsp if (poll_err) {
202 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": poll: %s\n",
203 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, poll_err->msg);
207 2178c42e 2018-04-22 stsp ret = imsg_flush(ibuf);
208 5d43e84d 2018-04-23 stsp if (ret == -1) {
209 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_flush: %s\n",
210 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
211 8934ea8b 2022-02-14 op imsg_clear(ibuf);
216 e033d803 2018-04-23 stsp static const struct got_error *
217 e033d803 2018-04-23 stsp flush_imsg(struct imsgbuf *ibuf)
219 e033d803 2018-04-23 stsp const struct got_error *err;
221 e033d803 2018-04-23 stsp err = poll_fd(ibuf->fd, POLLOUT, INFTIM);
223 e033d803 2018-04-23 stsp return err;
225 8934ea8b 2022-02-14 op if (imsg_flush(ibuf) == -1) {
226 8934ea8b 2022-02-14 op imsg_clear(ibuf);
227 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_flush");
230 e033d803 2018-04-23 stsp return NULL;
233 ad242220 2018-09-08 stsp const struct got_error *
234 e70bf110 2020-03-22 stsp got_privsep_flush_imsg(struct imsgbuf *ibuf)
236 e70bf110 2020-03-22 stsp return flush_imsg(ibuf);
239 e70bf110 2020-03-22 stsp const struct got_error *
240 ad242220 2018-09-08 stsp got_privsep_send_stop(int fd)
242 ad242220 2018-09-08 stsp const struct got_error *err = NULL;
243 ad242220 2018-09-08 stsp struct imsgbuf ibuf;
245 ad242220 2018-09-08 stsp imsg_init(&ibuf, fd);
247 ad242220 2018-09-08 stsp if (imsg_compose(&ibuf, GOT_IMSG_STOP, 0, 0, -1, NULL, 0) == -1)
248 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose STOP");
250 ad242220 2018-09-08 stsp err = flush_imsg(&ibuf);
251 ad242220 2018-09-08 stsp return err;
254 93658fb9 2020-03-18 stsp const struct got_error *
255 d5c81d44 2021-07-08 stsp got_privsep_send_obj_req(struct imsgbuf *ibuf, int fd,
256 d5c81d44 2021-07-08 stsp struct got_object_id *id)
258 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT_REQUEST, 0, 0, fd,
259 d5c81d44 2021-07-08 stsp id, sizeof(*id)) == -1)
260 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT_REQUEST");
262 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
265 59d1e4a0 2021-03-10 stsp const struct got_error *
266 d5c81d44 2021-07-08 stsp got_privsep_send_raw_obj_req(struct imsgbuf *ibuf, int fd,
267 d5c81d44 2021-07-08 stsp struct got_object_id *id)
269 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_OBJECT_REQUEST, 0, 0, fd,
270 d5c81d44 2021-07-08 stsp id, sizeof(*id)) == -1)
271 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose RAW_OBJECT_REQUEST");
273 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
276 59d1e4a0 2021-03-10 stsp const struct got_error *
277 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj_outfd(struct imsgbuf *ibuf, int outfd)
279 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
281 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_OBJECT_OUTFD, 0, 0, outfd, NULL, 0)
283 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_compose RAW_OBJECT_OUTFD");
284 59d1e4a0 2021-03-10 stsp close(outfd);
285 59d1e4a0 2021-03-10 stsp return err;
288 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
291 59d1e4a0 2021-03-10 stsp const struct got_error *
292 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj(struct imsgbuf *ibuf, off_t size, size_t hdrlen,
293 59d1e4a0 2021-03-10 stsp uint8_t *data)
295 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
296 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj iobj;
297 59d1e4a0 2021-03-10 stsp size_t len = sizeof(iobj);
298 59d1e4a0 2021-03-10 stsp struct ibuf *wbuf;
300 59d1e4a0 2021-03-10 stsp iobj.hdrlen = hdrlen;
301 59d1e4a0 2021-03-10 stsp iobj.size = size;
303 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX)
304 a8591711 2021-06-18 stsp len += (size_t)size + hdrlen;
306 59d1e4a0 2021-03-10 stsp wbuf = imsg_create(ibuf, GOT_IMSG_RAW_OBJECT, 0, 0, len);
307 59d1e4a0 2021-03-10 stsp if (wbuf == NULL) {
308 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_create RAW_OBJECT");
309 59d1e4a0 2021-03-10 stsp return err;
312 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &iobj, sizeof(iobj)) == -1)
313 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add RAW_OBJECT");
315 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
316 1453347d 2022-05-19 stsp if (imsg_add(wbuf, data, size + hdrlen) == -1)
317 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add RAW_OBJECT");
320 59d1e4a0 2021-03-10 stsp wbuf->fd = -1;
321 59d1e4a0 2021-03-10 stsp imsg_close(ibuf, wbuf);
323 1785f84a 2018-12-23 stsp return flush_imsg(ibuf);
326 1785f84a 2018-12-23 stsp const struct got_error *
327 59d1e4a0 2021-03-10 stsp got_privsep_recv_raw_obj(uint8_t **outbuf, off_t *size, size_t *hdrlen,
328 59d1e4a0 2021-03-10 stsp struct imsgbuf *ibuf)
330 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
331 59d1e4a0 2021-03-10 stsp struct imsg imsg;
332 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj *iobj;
333 59d1e4a0 2021-03-10 stsp size_t datalen;
335 59d1e4a0 2021-03-10 stsp *outbuf = NULL;
337 59d1e4a0 2021-03-10 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
339 59d1e4a0 2021-03-10 stsp return err;
341 59d1e4a0 2021-03-10 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
343 59d1e4a0 2021-03-10 stsp switch (imsg.hdr.type) {
344 59d1e4a0 2021-03-10 stsp case GOT_IMSG_RAW_OBJECT:
345 59d1e4a0 2021-03-10 stsp if (datalen < sizeof(*iobj)) {
346 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
349 59d1e4a0 2021-03-10 stsp iobj = imsg.data;
350 59d1e4a0 2021-03-10 stsp *size = iobj->size;
351 59d1e4a0 2021-03-10 stsp *hdrlen = iobj->hdrlen;
353 59d1e4a0 2021-03-10 stsp if (datalen == sizeof(*iobj)) {
354 59d1e4a0 2021-03-10 stsp /* Data has been written to file descriptor. */
358 a8591711 2021-06-18 stsp if (*size + *hdrlen > GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
359 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
363 a8591711 2021-06-18 stsp *outbuf = malloc(*size + *hdrlen);
364 59d1e4a0 2021-03-10 stsp if (*outbuf == NULL) {
365 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("malloc");
368 a8591711 2021-06-18 stsp memcpy(*outbuf, imsg.data + sizeof(*iobj), *size + *hdrlen);
371 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
375 59d1e4a0 2021-03-10 stsp imsg_free(&imsg);
377 59d1e4a0 2021-03-10 stsp return err;
380 59d1e4a0 2021-03-10 stsp const struct got_error *
381 1785f84a 2018-12-23 stsp got_privsep_send_commit_req(struct imsgbuf *ibuf, int fd,
382 1785f84a 2018-12-23 stsp struct got_object_id *id, int pack_idx)
384 41496140 2019-02-21 stsp const struct got_error *err = NULL;
385 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
386 d5c81d44 2021-07-08 stsp void *data;
387 1785f84a 2018-12-23 stsp size_t len;
389 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* commit is packed */
390 1785f84a 2018-12-23 stsp iobj.idx = pack_idx;
391 1785f84a 2018-12-23 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
392 d5c81d44 2021-07-08 stsp data = &iobj;
393 1785f84a 2018-12-23 stsp len = sizeof(iobj);
396 d5c81d44 2021-07-08 stsp len = sizeof(*id);
399 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_REQUEST, 0, 0, fd, data, len)
401 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT_REQUEST");
403 41496140 2019-02-21 stsp return err;
406 13c729f7 2018-12-24 stsp return flush_imsg(ibuf);
409 13c729f7 2018-12-24 stsp const struct got_error *
410 13c729f7 2018-12-24 stsp got_privsep_send_tree_req(struct imsgbuf *ibuf, int fd,
411 13c729f7 2018-12-24 stsp struct got_object_id *id, int pack_idx)
413 7f358e3b 2019-11-23 stsp struct ibuf *wbuf;
414 d5c81d44 2021-07-08 stsp size_t len;
416 d5c81d44 2021-07-08 stsp if (pack_idx != -1)
417 d5c81d44 2021-07-08 stsp len = sizeof(struct got_imsg_packed_object);
419 d5c81d44 2021-07-08 stsp len = sizeof(*id);
421 7f358e3b 2019-11-23 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_REQUEST, 0, 0, len);
422 7f358e3b 2019-11-23 stsp if (wbuf == NULL)
423 7f358e3b 2019-11-23 stsp return got_error_from_errno("imsg_create TREE_REQUEST");
425 1453347d 2022-05-19 stsp if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1)
426 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_REQUEST");
428 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tree is packed */
429 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &pack_idx, sizeof(pack_idx)) == -1)
430 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_REQUEST");
433 7f358e3b 2019-11-23 stsp wbuf->fd = fd;
434 7f358e3b 2019-11-23 stsp imsg_close(ibuf, wbuf);
436 268f7291 2018-12-24 stsp return flush_imsg(ibuf);
439 268f7291 2018-12-24 stsp const struct got_error *
440 268f7291 2018-12-24 stsp got_privsep_send_tag_req(struct imsgbuf *ibuf, int fd,
441 268f7291 2018-12-24 stsp struct got_object_id *id, int pack_idx)
443 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
444 d5c81d44 2021-07-08 stsp void *data;
445 268f7291 2018-12-24 stsp size_t len;
447 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tag is packed */
448 268f7291 2018-12-24 stsp iobj.idx = pack_idx;
449 268f7291 2018-12-24 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
450 d5c81d44 2021-07-08 stsp data = &iobj;
451 268f7291 2018-12-24 stsp len = sizeof(iobj);
454 d5c81d44 2021-07-08 stsp len = sizeof(*id);
457 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_REQUEST, 0, 0, fd, data, len)
459 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose TAG_REQUEST");
461 7762fe12 2018-11-05 stsp return flush_imsg(ibuf);
464 7762fe12 2018-11-05 stsp const struct got_error *
465 ebc55e2d 2018-12-24 stsp got_privsep_send_blob_req(struct imsgbuf *ibuf, int infd,
466 ebc55e2d 2018-12-24 stsp struct got_object_id *id, int pack_idx)
468 41496140 2019-02-21 stsp const struct got_error *err = NULL;
469 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
470 d5c81d44 2021-07-08 stsp void *data;
471 ebc55e2d 2018-12-24 stsp size_t len;
473 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* blob is packed */
474 ebc55e2d 2018-12-24 stsp iobj.idx = pack_idx;
475 ebc55e2d 2018-12-24 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
476 d5c81d44 2021-07-08 stsp data = &iobj;
477 ebc55e2d 2018-12-24 stsp len = sizeof(iobj);
480 d5c81d44 2021-07-08 stsp len = sizeof(*id);
483 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_REQUEST, 0, 0, infd, data, len)
485 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_REQUEST");
486 41496140 2019-02-21 stsp close(infd);
487 41496140 2019-02-21 stsp return err;
490 55da3778 2018-09-10 stsp return flush_imsg(ibuf);
493 55da3778 2018-09-10 stsp const struct got_error *
494 55da3778 2018-09-10 stsp got_privsep_send_blob_outfd(struct imsgbuf *ibuf, int outfd)
496 41496140 2019-02-21 stsp const struct got_error *err = NULL;
498 ad242220 2018-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_OUTFD, 0, 0, outfd, NULL, 0)
500 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_OUTFD");
501 41496140 2019-02-21 stsp close(outfd);
502 41496140 2019-02-21 stsp return err;
505 3840f4c9 2018-09-12 stsp return flush_imsg(ibuf);
508 73ab1060 2020-03-18 stsp static const struct got_error *
509 73ab1060 2020-03-18 stsp send_fd(struct imsgbuf *ibuf, int imsg_code, int fd)
511 41496140 2019-02-21 stsp const struct got_error *err = NULL;
513 73ab1060 2020-03-18 stsp if (imsg_compose(ibuf, imsg_code, 0, 0, fd, NULL, 0) == -1) {
514 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TMPFD");
516 41496140 2019-02-21 stsp return err;
519 ad242220 2018-09-08 stsp return flush_imsg(ibuf);
522 ad242220 2018-09-08 stsp const struct got_error *
523 73ab1060 2020-03-18 stsp got_privsep_send_tmpfd(struct imsgbuf *ibuf, int fd)
525 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_TMPFD, fd);
528 73ab1060 2020-03-18 stsp const struct got_error *
529 876c234b 2018-09-10 stsp got_privsep_send_obj(struct imsgbuf *ibuf, struct got_object *obj)
531 2178c42e 2018-04-22 stsp struct got_imsg_object iobj;
533 c59b3346 2018-09-11 stsp memcpy(iobj.id, obj->id.sha1, sizeof(iobj.id));
534 2178c42e 2018-04-22 stsp iobj.type = obj->type;
535 2178c42e 2018-04-22 stsp iobj.flags = obj->flags;
536 2178c42e 2018-04-22 stsp iobj.hdrlen = obj->hdrlen;
537 2178c42e 2018-04-22 stsp iobj.size = obj->size;
538 c59b3346 2018-09-11 stsp if (iobj.flags & GOT_OBJ_FLAG_PACKED) {
539 876c234b 2018-09-10 stsp iobj.pack_offset = obj->pack_offset;
540 c59b3346 2018-09-11 stsp iobj.pack_idx = obj->pack_idx;
543 2178c42e 2018-04-22 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT, 0, 0, -1, &iobj, sizeof(iobj))
545 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT");
547 c59b3346 2018-09-11 stsp return flush_imsg(ibuf);
550 cfd633c2 2018-09-10 stsp const struct got_error *
551 33501562 2020-03-18 stsp got_privsep_send_fetch_req(struct imsgbuf *ibuf, int fd,
552 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs, int fetch_all_branches,
553 abc59930 2021-09-05 naddy struct got_pathlist_head *wanted_branches,
554 abc59930 2021-09-05 naddy struct got_pathlist_head *wanted_refs, int list_refs_only, int verbosity)
556 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
557 33501562 2020-03-18 stsp struct ibuf *wbuf;
558 4ba14133 2020-03-20 stsp size_t len;
559 33501562 2020-03-18 stsp struct got_pathlist_entry *pe;
560 4ba14133 2020-03-20 stsp struct got_imsg_fetch_request fetchreq;
562 4ba14133 2020-03-20 stsp memset(&fetchreq, 0, sizeof(fetchreq));
563 4ba14133 2020-03-20 stsp fetchreq.fetch_all_branches = fetch_all_branches;
564 41b0de12 2020-03-21 stsp fetchreq.list_refs_only = list_refs_only;
565 2690194b 2020-03-21 stsp fetchreq.verbosity = verbosity;
566 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, have_refs, entry)
567 4ba14133 2020-03-20 stsp fetchreq.n_have_refs++;
568 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry)
569 4ba14133 2020-03-20 stsp fetchreq.n_wanted_branches++;
570 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry)
571 0e4002ca 2020-03-21 stsp fetchreq.n_wanted_refs++;
572 659e7fbd 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_request);
573 33501562 2020-03-18 stsp if (len >= MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
575 33501562 2020-03-18 stsp return got_error(GOT_ERR_NO_SPACE);
578 4ba14133 2020-03-20 stsp if (imsg_compose(ibuf, GOT_IMSG_FETCH_REQUEST, 0, 0, fd,
579 4ba14133 2020-03-20 stsp &fetchreq, sizeof(fetchreq)) == -1)
580 4ba14133 2020-03-20 stsp return got_error_from_errno(
581 4ba14133 2020-03-20 stsp "imsg_compose FETCH_SERVER_PROGRESS");
583 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
586 659e7fbd 2020-03-20 stsp return err;
590 33501562 2020-03-18 stsp TAILQ_FOREACH(pe, have_refs, entry) {
591 33501562 2020-03-18 stsp const char *name = pe->path;
592 33501562 2020-03-18 stsp size_t name_len = pe->path_len;
593 33501562 2020-03-18 stsp struct got_object_id *id = pe->data;
595 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_have_ref) + name_len;
596 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_HAVE_REF, 0, 0, len);
597 4ba14133 2020-03-20 stsp if (wbuf == NULL)
598 4ba14133 2020-03-20 stsp return got_error_from_errno("imsg_create FETCH_HAVE_REF");
600 33501562 2020-03-18 stsp /* Keep in sync with struct got_imsg_fetch_have_ref! */
601 1453347d 2022-05-19 stsp if (imsg_add(wbuf, id->sha1, sizeof(id->sha1)) == -1)
602 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add FETCH_HAVE_REF");
603 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
604 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add FETCH_HAVE_REF");
605 1453347d 2022-05-19 stsp if (imsg_add(wbuf, name, name_len) == -1)
606 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add FETCH_HAVE_REF");
608 4ba14133 2020-03-20 stsp wbuf->fd = -1;
609 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
610 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
612 4ba14133 2020-03-20 stsp return err;
615 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry) {
616 4ba14133 2020-03-20 stsp const char *name = pe->path;
617 4ba14133 2020-03-20 stsp size_t name_len = pe->path_len;
619 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_wanted_branch) + name_len;
620 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_BRANCH, 0, 0,
622 4ba14133 2020-03-20 stsp if (wbuf == NULL)
623 4ba14133 2020-03-20 stsp return got_error_from_errno(
624 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_BRANCH");
626 4ba14133 2020-03-20 stsp /* Keep in sync with struct got_imsg_fetch_wanted_branch! */
627 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
628 1453347d 2022-05-19 stsp return got_error_from_errno(
629 4ba14133 2020-03-20 stsp "imsg_add FETCH_WANTED_BRANCH");
630 1453347d 2022-05-19 stsp if (imsg_add(wbuf, name, name_len) == -1)
631 1453347d 2022-05-19 stsp return got_error_from_errno(
632 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_BRANCH");
634 4ba14133 2020-03-20 stsp wbuf->fd = -1;
635 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
636 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
638 4ba14133 2020-03-20 stsp return err;
641 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry) {
642 0e4002ca 2020-03-21 stsp const char *name = pe->path;
643 0e4002ca 2020-03-21 stsp size_t name_len = pe->path_len;
645 0e4002ca 2020-03-21 stsp len = sizeof(struct got_imsg_fetch_wanted_ref) + name_len;
646 0e4002ca 2020-03-21 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_REF, 0, 0,
648 0e4002ca 2020-03-21 stsp if (wbuf == NULL)
649 0e4002ca 2020-03-21 stsp return got_error_from_errno(
650 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_REF");
652 0e4002ca 2020-03-21 stsp /* Keep in sync with struct got_imsg_fetch_wanted_ref! */
653 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
654 1453347d 2022-05-19 stsp return got_error_from_errno(
655 0e4002ca 2020-03-21 stsp "imsg_add FETCH_WANTED_REF");
656 1453347d 2022-05-19 stsp if (imsg_add(wbuf, name, name_len) == -1)
657 1453347d 2022-05-19 stsp return got_error_from_errno(
658 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_REF");
660 0e4002ca 2020-03-21 stsp wbuf->fd = -1;
661 0e4002ca 2020-03-21 stsp imsg_close(ibuf, wbuf);
662 0e4002ca 2020-03-21 stsp err = flush_imsg(ibuf);
664 0e4002ca 2020-03-21 stsp return err;
668 4ba14133 2020-03-20 stsp return NULL;
672 93658fb9 2020-03-18 stsp const struct got_error *
673 f826addf 2020-03-18 stsp got_privsep_send_fetch_outfd(struct imsgbuf *ibuf, int fd)
675 f826addf 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_FETCH_OUTFD, fd);
678 531c3985 2020-03-18 stsp const struct got_error *
679 8f2d01a6 2020-03-18 stsp got_privsep_recv_fetch_progress(int *done, struct got_object_id **id,
680 531c3985 2020-03-18 stsp char **refname, struct got_pathlist_head *symrefs, char **server_progress,
681 1d72a2a0 2020-03-24 stsp off_t *packfile_size, uint8_t *pack_sha1, struct imsgbuf *ibuf)
683 b9f99abf 2020-03-18 stsp const struct got_error *err = NULL;
684 b9f99abf 2020-03-18 stsp struct imsg imsg;
685 b9f99abf 2020-03-18 stsp size_t datalen;
686 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symrefs *isymrefs = NULL;
687 abe0f35f 2020-03-18 stsp size_t n, remain;
692 8f2d01a6 2020-03-18 stsp *id = NULL;
693 b9f99abf 2020-03-18 stsp *refname = NULL;
694 531c3985 2020-03-18 stsp *server_progress = NULL;
695 5a489642 2020-03-19 stsp *packfile_size = 0;
696 1d72a2a0 2020-03-24 stsp memset(pack_sha1, 0, SHA1_DIGEST_LENGTH);
698 531c3985 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
700 b9f99abf 2020-03-18 stsp return err;
702 b9f99abf 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
703 b9f99abf 2020-03-18 stsp switch (imsg.hdr.type) {
704 b9f99abf 2020-03-18 stsp case GOT_IMSG_ERROR:
705 b9f99abf 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
707 abe0f35f 2020-03-18 stsp case GOT_IMSG_FETCH_SYMREFS:
708 abe0f35f 2020-03-18 stsp if (datalen < sizeof(*isymrefs)) {
709 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
712 abe0f35f 2020-03-18 stsp if (isymrefs != NULL) {
713 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
716 abe0f35f 2020-03-18 stsp isymrefs = (struct got_imsg_fetch_symrefs *)imsg.data;
717 abe0f35f 2020-03-18 stsp off = sizeof(*isymrefs);
718 abe0f35f 2020-03-18 stsp remain = datalen - off;
719 abe0f35f 2020-03-18 stsp for (n = 0; n < isymrefs->nsymrefs; n++) {
720 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symref *s;
721 abe0f35f 2020-03-18 stsp char *name, *target;
722 abe0f35f 2020-03-18 stsp if (remain < sizeof(struct got_imsg_fetch_symref)) {
723 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
726 abe0f35f 2020-03-18 stsp s = (struct got_imsg_fetch_symref *)(imsg.data + off);
727 abe0f35f 2020-03-18 stsp off += sizeof(*s);
728 abe0f35f 2020-03-18 stsp remain -= sizeof(*s);
729 abe0f35f 2020-03-18 stsp if (remain < s->name_len) {
730 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
733 abe0f35f 2020-03-18 stsp name = strndup(imsg.data + off, s->name_len);
734 abe0f35f 2020-03-18 stsp if (name == NULL) {
735 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
738 abe0f35f 2020-03-18 stsp off += s->name_len;
739 abe0f35f 2020-03-18 stsp remain -= s->name_len;
740 abe0f35f 2020-03-18 stsp if (remain < s->target_len) {
741 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
742 abe0f35f 2020-03-18 stsp free(name);
745 abe0f35f 2020-03-18 stsp target = strndup(imsg.data + off, s->target_len);
746 abe0f35f 2020-03-18 stsp if (target == NULL) {
747 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
748 abe0f35f 2020-03-18 stsp free(name);
751 abe0f35f 2020-03-18 stsp off += s->target_len;
752 abe0f35f 2020-03-18 stsp remain -= s->target_len;
753 abe0f35f 2020-03-18 stsp err = got_pathlist_append(symrefs, name, target);
755 abe0f35f 2020-03-18 stsp free(name);
756 abe0f35f 2020-03-18 stsp free(target);
761 ea7396b9 2020-03-18 stsp case GOT_IMSG_FETCH_REF:
762 531c3985 2020-03-18 stsp if (datalen <= SHA1_DIGEST_LENGTH) {
763 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
766 8f2d01a6 2020-03-18 stsp *id = malloc(sizeof(**id));
767 8f2d01a6 2020-03-18 stsp if (*id == NULL) {
768 b9f99abf 2020-03-18 stsp err = got_error_from_errno("malloc");
771 8f2d01a6 2020-03-18 stsp memcpy((*id)->sha1, imsg.data, SHA1_DIGEST_LENGTH);
772 b9f99abf 2020-03-18 stsp *refname = strndup(imsg.data + SHA1_DIGEST_LENGTH,
773 b9f99abf 2020-03-18 stsp datalen - SHA1_DIGEST_LENGTH);
774 b9f99abf 2020-03-18 stsp if (*refname == NULL) {
775 b9f99abf 2020-03-18 stsp err = got_error_from_errno("strndup");
779 531c3985 2020-03-18 stsp case GOT_IMSG_FETCH_SERVER_PROGRESS:
780 531c3985 2020-03-18 stsp if (datalen == 0) {
781 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
784 531c3985 2020-03-18 stsp *server_progress = strndup(imsg.data, datalen);
785 531c3985 2020-03-18 stsp if (*server_progress == NULL) {
786 531c3985 2020-03-18 stsp err = got_error_from_errno("strndup");
789 531c3985 2020-03-18 stsp for (i = 0; i < datalen; i++) {
790 531c3985 2020-03-18 stsp if (!isprint((unsigned char)(*server_progress)[i]) &&
791 531c3985 2020-03-18 stsp !isspace((unsigned char)(*server_progress)[i])) {
792 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
793 531c3985 2020-03-18 stsp free(*server_progress);
794 531c3985 2020-03-18 stsp *server_progress = NULL;
799 d2cdc636 2020-03-18 stsp case GOT_IMSG_FETCH_DOWNLOAD_PROGRESS:
800 d2cdc636 2020-03-18 stsp if (datalen < sizeof(*packfile_size)) {
801 d2cdc636 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
804 d2cdc636 2020-03-18 stsp memcpy(packfile_size, imsg.data, sizeof(*packfile_size));
806 8f2d01a6 2020-03-18 stsp case GOT_IMSG_FETCH_DONE:
807 8f2d01a6 2020-03-18 stsp if (datalen != SHA1_DIGEST_LENGTH) {
808 8f2d01a6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
811 1d72a2a0 2020-03-24 stsp memcpy(pack_sha1, imsg.data, SHA1_DIGEST_LENGTH);
815 b887aab6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
821 8f2d01a6 2020-03-18 stsp *id = NULL;
822 b887aab6 2020-03-18 stsp free(*refname);
823 b887aab6 2020-03-18 stsp *refname = NULL;
825 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
826 f8a36e22 2021-08-26 stsp return err;
829 f8a36e22 2021-08-26 stsp static const struct got_error *
830 f8a36e22 2021-08-26 stsp send_send_ref(const char *name, size_t name_len, struct got_object_id *id,
831 f8a36e22 2021-08-26 stsp int delete, struct imsgbuf *ibuf)
833 f8a36e22 2021-08-26 stsp size_t len;
834 f8a36e22 2021-08-26 stsp struct ibuf *wbuf;
836 f8a36e22 2021-08-26 stsp len = sizeof(struct got_imsg_send_ref) + name_len;
837 f8a36e22 2021-08-26 stsp wbuf = imsg_create(ibuf, GOT_IMSG_SEND_REF, 0, 0, len);
838 f8a36e22 2021-08-26 stsp if (wbuf == NULL)
839 f8a36e22 2021-08-26 stsp return got_error_from_errno("imsg_create SEND_REF");
841 f8a36e22 2021-08-26 stsp /* Keep in sync with struct got_imsg_send_ref! */
842 1453347d 2022-05-19 stsp if (imsg_add(wbuf, id->sha1, sizeof(id->sha1)) == -1)
843 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add SEND_REF");
844 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &delete, sizeof(delete)) == -1)
845 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add SEND_REF");
846 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
847 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add SEND_REF");
848 1453347d 2022-05-19 stsp if (imsg_add(wbuf, name, name_len) == -1)
849 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add SEND_REF");
851 f8a36e22 2021-08-26 stsp wbuf->fd = -1;
852 f8a36e22 2021-08-26 stsp imsg_close(ibuf, wbuf);
853 f8a36e22 2021-08-26 stsp return flush_imsg(ibuf);
856 f8a36e22 2021-08-26 stsp const struct got_error *
857 f8a36e22 2021-08-26 stsp got_privsep_send_send_req(struct imsgbuf *ibuf, int fd,
858 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs,
859 abc59930 2021-09-05 naddy struct got_pathlist_head *delete_refs,
860 abc59930 2021-09-05 naddy int verbosity)
862 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
863 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *pe;
864 f8a36e22 2021-08-26 stsp struct got_imsg_send_request sendreq;
865 f8a36e22 2021-08-26 stsp struct got_object_id zero_id;
867 f8a36e22 2021-08-26 stsp memset(&zero_id, 0, sizeof(zero_id));
868 f8a36e22 2021-08-26 stsp memset(&sendreq, 0, sizeof(sendreq));
869 f8a36e22 2021-08-26 stsp sendreq.verbosity = verbosity;
870 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry)
871 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
872 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry)
873 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
874 f8a36e22 2021-08-26 stsp if (imsg_compose(ibuf, GOT_IMSG_SEND_REQUEST, 0, 0, fd,
875 f8a36e22 2021-08-26 stsp &sendreq, sizeof(sendreq)) == -1) {
876 f8a36e22 2021-08-26 stsp err = got_error_from_errno(
877 f8a36e22 2021-08-26 stsp "imsg_compose FETCH_SERVER_PROGRESS");
881 f8a36e22 2021-08-26 stsp err = flush_imsg(ibuf);
886 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry) {
887 f8a36e22 2021-08-26 stsp const char *name = pe->path;
888 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
889 f8a36e22 2021-08-26 stsp struct got_object_id *id = pe->data;
890 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, id, 0, ibuf);
895 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry) {
896 f8a36e22 2021-08-26 stsp const char *name = pe->path;
897 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
898 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, &zero_id, 1, ibuf);
903 f8a36e22 2021-08-26 stsp if (fd != -1 && close(fd) == -1 && err == NULL)
904 f8a36e22 2021-08-26 stsp err = got_error_from_errno("close");
905 f8a36e22 2021-08-26 stsp return err;
909 f8a36e22 2021-08-26 stsp const struct got_error *
910 f8a36e22 2021-08-26 stsp got_privsep_recv_send_remote_refs(struct got_pathlist_head *remote_refs,
911 f8a36e22 2021-08-26 stsp struct imsgbuf *ibuf)
913 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
914 f8a36e22 2021-08-26 stsp struct imsg imsg;
915 f8a36e22 2021-08-26 stsp size_t datalen;
916 f8a36e22 2021-08-26 stsp int done = 0;
917 f8a36e22 2021-08-26 stsp struct got_imsg_send_remote_ref iremote_ref;
918 f8a36e22 2021-08-26 stsp struct got_object_id *id = NULL;
919 f8a36e22 2021-08-26 stsp char *refname = NULL;
920 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *new;
922 f8a36e22 2021-08-26 stsp while (!done) {
923 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
925 f8a36e22 2021-08-26 stsp return err;
926 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
927 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
928 f8a36e22 2021-08-26 stsp case GOT_IMSG_ERROR:
929 f8a36e22 2021-08-26 stsp err = recv_imsg_error(&imsg, datalen);
931 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REMOTE_REF:
932 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iremote_ref)) {
933 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
936 f8a36e22 2021-08-26 stsp memcpy(&iremote_ref, imsg.data, sizeof(iremote_ref));
937 f8a36e22 2021-08-26 stsp if (datalen != sizeof(iremote_ref) +
938 f8a36e22 2021-08-26 stsp iremote_ref.name_len) {
939 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
942 f8a36e22 2021-08-26 stsp id = malloc(sizeof(*id));
943 f8a36e22 2021-08-26 stsp if (id == NULL) {
944 f8a36e22 2021-08-26 stsp err = got_error_from_errno("malloc");
947 f8a36e22 2021-08-26 stsp memcpy(id->sha1, iremote_ref.id, SHA1_DIGEST_LENGTH);
948 f8a36e22 2021-08-26 stsp refname = strndup(imsg.data + sizeof(iremote_ref),
949 f8a36e22 2021-08-26 stsp datalen - sizeof(iremote_ref));
950 f8a36e22 2021-08-26 stsp if (refname == NULL) {
951 f8a36e22 2021-08-26 stsp err = got_error_from_errno("strndup");
954 f8a36e22 2021-08-26 stsp err = got_pathlist_insert(&new, remote_refs,
955 f8a36e22 2021-08-26 stsp refname, id);
958 f8a36e22 2021-08-26 stsp if (new == NULL) { /* duplicate which wasn't inserted */
960 f8a36e22 2021-08-26 stsp free(refname);
963 f8a36e22 2021-08-26 stsp refname = NULL;
965 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_PACK_REQUEST:
966 f8a36e22 2021-08-26 stsp if (datalen != 0) {
967 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
970 f8a36e22 2021-08-26 stsp /* got-send-pack is now waiting for a pack file. */
974 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
980 f8a36e22 2021-08-26 stsp free(refname);
981 b9f99abf 2020-03-18 stsp imsg_free(&imsg);
982 b9f99abf 2020-03-18 stsp return err;
985 93658fb9 2020-03-18 stsp const struct got_error *
986 f8a36e22 2021-08-26 stsp got_privsep_send_packfd(struct imsgbuf *ibuf, int fd)
988 f8a36e22 2021-08-26 stsp return send_fd(ibuf, GOT_IMSG_SEND_PACKFD, fd);
991 f8a36e22 2021-08-26 stsp const struct got_error *
992 f8a36e22 2021-08-26 stsp got_privsep_recv_send_progress(int *done, off_t *bytes_sent,
993 f8a36e22 2021-08-26 stsp int *success, char **refname, struct imsgbuf *ibuf)
995 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
996 f8a36e22 2021-08-26 stsp struct imsg imsg;
997 f8a36e22 2021-08-26 stsp size_t datalen;
998 f8a36e22 2021-08-26 stsp struct got_imsg_send_ref_status iref_status;
1000 f8a36e22 2021-08-26 stsp /* Do not reset the current value of 'bytes_sent', it accumulates. */
1001 f8a36e22 2021-08-26 stsp *done = 0;
1002 f8a36e22 2021-08-26 stsp *success = 0;
1003 f8a36e22 2021-08-26 stsp *refname = NULL;
1005 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1007 f8a36e22 2021-08-26 stsp return err;
1009 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1010 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
1011 f8a36e22 2021-08-26 stsp case GOT_IMSG_ERROR:
1012 f8a36e22 2021-08-26 stsp err = recv_imsg_error(&imsg, datalen);
1014 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_UPLOAD_PROGRESS:
1015 f8a36e22 2021-08-26 stsp if (datalen < sizeof(*bytes_sent)) {
1016 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1019 f8a36e22 2021-08-26 stsp memcpy(bytes_sent, imsg.data, sizeof(*bytes_sent));
1021 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REF_STATUS:
1022 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iref_status)) {
1023 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1026 f8a36e22 2021-08-26 stsp memcpy(&iref_status, imsg.data, sizeof(iref_status));
1027 f8a36e22 2021-08-26 stsp if (datalen != sizeof(iref_status) + iref_status.name_len) {
1028 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1031 f8a36e22 2021-08-26 stsp *success = iref_status.success;
1032 f8a36e22 2021-08-26 stsp *refname = strndup(imsg.data + sizeof(iref_status),
1033 f8a36e22 2021-08-26 stsp iref_status.name_len);
1035 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_DONE:
1036 f8a36e22 2021-08-26 stsp if (datalen != 0) {
1037 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1040 f8a36e22 2021-08-26 stsp *done = 1;
1043 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1047 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
1048 f8a36e22 2021-08-26 stsp return err;
1051 f8a36e22 2021-08-26 stsp const struct got_error *
1052 fd251256 2020-03-24 stsp got_privsep_send_index_pack_req(struct imsgbuf *ibuf, uint8_t *pack_sha1,
1055 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1057 668a20f6 2020-03-18 stsp /* Keep in sync with struct got_imsg_index_pack_request */
1058 93658fb9 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_IDXPACK_REQUEST, 0, 0, fd,
1059 fd251256 2020-03-24 stsp pack_sha1, SHA1_DIGEST_LENGTH) == -1) {
1060 93658fb9 2020-03-18 stsp err = got_error_from_errno("imsg_compose INDEX_REQUEST");
1061 93658fb9 2020-03-18 stsp close(fd);
1062 93658fb9 2020-03-18 stsp return err;
1064 baa9fea0 2020-03-18 stsp return flush_imsg(ibuf);
1067 baa9fea0 2020-03-18 stsp const struct got_error *
1068 73ab1060 2020-03-18 stsp got_privsep_send_index_pack_outfd(struct imsgbuf *ibuf, int fd)
1070 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_IDXPACK_OUTFD, fd);
1073 73ab1060 2020-03-18 stsp const struct got_error *
1074 668a20f6 2020-03-18 stsp got_privsep_recv_index_progress(int *done, int *nobj_total,
1075 668a20f6 2020-03-18 stsp int *nobj_indexed, int *nobj_loose, int *nobj_resolved,
1076 668a20f6 2020-03-18 stsp struct imsgbuf *ibuf)
1078 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1079 93658fb9 2020-03-18 stsp struct imsg imsg;
1080 baa9fea0 2020-03-18 stsp struct got_imsg_index_pack_progress *iprogress;
1081 baa9fea0 2020-03-18 stsp size_t datalen;
1083 baa9fea0 2020-03-18 stsp *done = 0;
1084 668a20f6 2020-03-18 stsp *nobj_total = 0;
1085 668a20f6 2020-03-18 stsp *nobj_indexed = 0;
1086 668a20f6 2020-03-18 stsp *nobj_resolved = 0;
1088 93658fb9 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1090 93658fb9 2020-03-18 stsp return err;
1092 baa9fea0 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1093 baa9fea0 2020-03-18 stsp switch (imsg.hdr.type) {
1094 baa9fea0 2020-03-18 stsp case GOT_IMSG_ERROR:
1095 baa9fea0 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
1097 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_PROGRESS:
1098 baa9fea0 2020-03-18 stsp if (datalen < sizeof(*iprogress)) {
1099 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1102 baa9fea0 2020-03-18 stsp iprogress = (struct got_imsg_index_pack_progress *)imsg.data;
1103 668a20f6 2020-03-18 stsp *nobj_total = iprogress->nobj_total;
1104 668a20f6 2020-03-18 stsp *nobj_indexed = iprogress->nobj_indexed;
1105 668a20f6 2020-03-18 stsp *nobj_loose = iprogress->nobj_loose;
1106 668a20f6 2020-03-18 stsp *nobj_resolved = iprogress->nobj_resolved;
1108 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_DONE:
1109 baa9fea0 2020-03-18 stsp if (datalen != 0) {
1110 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1113 baa9fea0 2020-03-18 stsp *done = 1;
1116 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1120 93658fb9 2020-03-18 stsp imsg_free(&imsg);
1121 baa9fea0 2020-03-18 stsp return err;
1124 93658fb9 2020-03-18 stsp const struct got_error *
1125 cfd633c2 2018-09-10 stsp got_privsep_get_imsg_obj(struct got_object **obj, struct imsg *imsg,
1126 cfd633c2 2018-09-10 stsp struct imsgbuf *ibuf)
1128 291624d8 2018-11-07 stsp struct got_imsg_object *iobj;
1129 cfd633c2 2018-09-10 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1131 291624d8 2018-11-07 stsp if (datalen != sizeof(*iobj))
1132 cfd633c2 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1133 291624d8 2018-11-07 stsp iobj = imsg->data;
1135 cfd633c2 2018-09-10 stsp *obj = calloc(1, sizeof(**obj));
1136 cfd633c2 2018-09-10 stsp if (*obj == NULL)
1137 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
1139 291624d8 2018-11-07 stsp memcpy((*obj)->id.sha1, iobj->id, SHA1_DIGEST_LENGTH);
1140 291624d8 2018-11-07 stsp (*obj)->type = iobj->type;
1141 291624d8 2018-11-07 stsp (*obj)->flags = iobj->flags;
1142 291624d8 2018-11-07 stsp (*obj)->hdrlen = iobj->hdrlen;
1143 291624d8 2018-11-07 stsp (*obj)->size = iobj->size;
1144 c59b3346 2018-09-11 stsp /* path_packfile is handled by caller */
1145 291624d8 2018-11-07 stsp if (iobj->flags & GOT_OBJ_FLAG_PACKED) {
1146 291624d8 2018-11-07 stsp (*obj)->pack_offset = iobj->pack_offset;
1147 291624d8 2018-11-07 stsp (*obj)->pack_idx = iobj->pack_idx;
1149 d1b988e3 2022-01-26 stsp STAILQ_INIT(&(*obj)->deltas.entries);
1150 9296b03b 2022-01-26 stsp return NULL;
1153 2178c42e 2018-04-22 stsp const struct got_error *
1154 2178c42e 2018-04-22 stsp got_privsep_recv_obj(struct got_object **obj, struct imsgbuf *ibuf)
1156 2178c42e 2018-04-22 stsp const struct got_error *err = NULL;
1157 2178c42e 2018-04-22 stsp struct imsg imsg;
1158 c4eae628 2018-04-23 stsp const size_t min_datalen =
1159 c4eae628 2018-04-23 stsp MIN(sizeof(struct got_imsg_error), sizeof(struct got_imsg_object));
1161 2178c42e 2018-04-22 stsp *obj = NULL;
1163 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1165 2178c42e 2018-04-22 stsp return err;
1167 2178c42e 2018-04-22 stsp switch (imsg.hdr.type) {
1168 2178c42e 2018-04-22 stsp case GOT_IMSG_OBJECT:
1169 cfd633c2 2018-09-10 stsp err = got_privsep_get_imsg_obj(obj, &imsg, ibuf);
1172 bff6ca00 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1176 bff6ca00 2018-04-23 stsp imsg_free(&imsg);
1178 bff6ca00 2018-04-23 stsp return err;
1181 c75f7264 2018-09-11 stsp static const struct got_error *
1182 c75f7264 2018-09-11 stsp send_commit_logmsg(struct imsgbuf *ibuf, struct got_commit_object *commit,
1183 c75f7264 2018-09-11 stsp size_t logmsg_len)
1185 fa4ffeb3 2018-11-04 stsp const struct got_error *err = NULL;
1186 c75f7264 2018-09-11 stsp size_t offset, remain;
1188 c75f7264 2018-09-11 stsp offset = 0;
1189 c75f7264 2018-09-11 stsp remain = logmsg_len;
1190 c75f7264 2018-09-11 stsp while (remain > 0) {
1191 c75f7264 2018-09-11 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1193 c75f7264 2018-09-11 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_LOGMSG, 0, 0, -1,
1194 fa4ffeb3 2018-11-04 stsp commit->logmsg + offset, n) == -1) {
1195 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose "
1196 230a42bd 2019-05-11 jcs "COMMIT_LOGMSG");
1200 fa4ffeb3 2018-11-04 stsp err = flush_imsg(ibuf);
1204 c75f7264 2018-09-11 stsp offset += n;
1205 c75f7264 2018-09-11 stsp remain -= n;
1208 fa4ffeb3 2018-11-04 stsp return err;
1211 bff6ca00 2018-04-23 stsp const struct got_error *
1212 068fd2bf 2018-04-24 stsp got_privsep_send_commit(struct imsgbuf *ibuf, struct got_commit_object *commit)
1214 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1215 b9c33926 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1216 bff6ca00 2018-04-23 stsp uint8_t *buf;
1217 bff6ca00 2018-04-23 stsp size_t len, total;
1218 79f35eb3 2018-06-11 stsp struct got_object_qid *qid;
1219 b9c33926 2018-11-07 stsp size_t author_len = strlen(commit->author);
1220 b9c33926 2018-11-07 stsp size_t committer_len = strlen(commit->committer);
1221 c75f7264 2018-09-11 stsp size_t logmsg_len = strlen(commit->logmsg);
1223 b9c33926 2018-11-07 stsp total = sizeof(*icommit) + author_len + committer_len +
1224 b9c33926 2018-11-07 stsp commit->nparents * SHA1_DIGEST_LENGTH;
1226 bff6ca00 2018-04-23 stsp buf = malloc(total);
1227 bff6ca00 2018-04-23 stsp if (buf == NULL)
1228 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1230 b9c33926 2018-11-07 stsp icommit = (struct got_imsg_commit_object *)buf;
1231 a7403916 2018-12-24 stsp memcpy(icommit->tree_id, commit->tree_id->sha1,
1232 a7403916 2018-12-24 stsp sizeof(icommit->tree_id));
1233 b9c33926 2018-11-07 stsp icommit->author_len = author_len;
1234 b9c33926 2018-11-07 stsp icommit->author_time = commit->author_time;
1235 b9c33926 2018-11-07 stsp icommit->author_gmtoff = commit->author_gmtoff;
1236 b9c33926 2018-11-07 stsp icommit->committer_len = committer_len;
1237 b9c33926 2018-11-07 stsp icommit->committer_time = commit->committer_time;
1238 b9c33926 2018-11-07 stsp icommit->committer_gmtoff = commit->committer_gmtoff;
1239 b9c33926 2018-11-07 stsp icommit->logmsg_len = logmsg_len;
1240 b9c33926 2018-11-07 stsp icommit->nparents = commit->nparents;
1242 b9c33926 2018-11-07 stsp len = sizeof(*icommit);
1243 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->author, author_len);
1244 b9c33926 2018-11-07 stsp len += author_len;
1245 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->committer, committer_len);
1246 b9c33926 2018-11-07 stsp len += committer_len;
1247 dbdddfee 2021-06-23 naddy STAILQ_FOREACH(qid, &commit->parent_ids, entry) {
1248 d7b5a0e8 2022-04-20 stsp memcpy(buf + len, &qid->id, SHA1_DIGEST_LENGTH);
1249 86acc566 2018-04-23 stsp len += SHA1_DIGEST_LENGTH;
1252 bff6ca00 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT, 0, 0, -1, buf, len) == -1) {
1253 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT");
1254 bff6ca00 2018-04-23 stsp goto done;
1257 904df868 2018-11-04 stsp if (logmsg_len == 0 ||
1258 904df868 2018-11-04 stsp logmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1259 904df868 2018-11-04 stsp err = flush_imsg(ibuf);
1261 904df868 2018-11-04 stsp goto done;
1263 c75f7264 2018-09-11 stsp err = send_commit_logmsg(ibuf, commit, logmsg_len);
1265 bff6ca00 2018-04-23 stsp free(buf);
1266 bff6ca00 2018-04-23 stsp return err;
1269 ca6e02ac 2020-01-07 stsp static const struct got_error *
1270 ca6e02ac 2020-01-07 stsp get_commit_from_imsg(struct got_commit_object **commit,
1271 ca6e02ac 2020-01-07 stsp struct imsg *imsg, size_t datalen, struct imsgbuf *ibuf)
1273 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1274 291624d8 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1275 ca6e02ac 2020-01-07 stsp size_t len = 0;
1278 ca6e02ac 2020-01-07 stsp if (datalen < sizeof(*icommit))
1279 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1281 ca6e02ac 2020-01-07 stsp icommit = imsg->data;
1282 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommit) + icommit->author_len +
1283 ca6e02ac 2020-01-07 stsp icommit->committer_len +
1284 ca6e02ac 2020-01-07 stsp icommit->nparents * SHA1_DIGEST_LENGTH)
1285 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1287 ca6e02ac 2020-01-07 stsp if (icommit->nparents < 0)
1288 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1290 ca6e02ac 2020-01-07 stsp len += sizeof(*icommit);
1292 ca6e02ac 2020-01-07 stsp *commit = got_object_commit_alloc_partial();
1293 ca6e02ac 2020-01-07 stsp if (*commit == NULL)
1294 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
1295 ca6e02ac 2020-01-07 stsp "got_object_commit_alloc_partial");
1297 ca6e02ac 2020-01-07 stsp memcpy((*commit)->tree_id->sha1, icommit->tree_id,
1298 ca6e02ac 2020-01-07 stsp SHA1_DIGEST_LENGTH);
1299 ca6e02ac 2020-01-07 stsp (*commit)->author_time = icommit->author_time;
1300 ca6e02ac 2020-01-07 stsp (*commit)->author_gmtoff = icommit->author_gmtoff;
1301 ca6e02ac 2020-01-07 stsp (*commit)->committer_time = icommit->committer_time;
1302 ca6e02ac 2020-01-07 stsp (*commit)->committer_gmtoff = icommit->committer_gmtoff;
1304 bf31a716 2022-06-14 op (*commit)->author = strndup(imsg->data + len, icommit->author_len);
1305 bf31a716 2022-06-14 op if ((*commit)->author == NULL) {
1306 bf31a716 2022-06-14 op err = got_error_from_errno("strndup");
1309 ca6e02ac 2020-01-07 stsp len += icommit->author_len;
1311 bf31a716 2022-06-14 op (*commit)->committer = strndup(imsg->data + len,
1312 bf31a716 2022-06-14 op icommit->committer_len);
1313 bf31a716 2022-06-14 op if ((*commit)->committer == NULL) {
1314 bf31a716 2022-06-14 op err = got_error_from_errno("strndup");
1317 ca6e02ac 2020-01-07 stsp len += icommit->committer_len;
1319 ca6e02ac 2020-01-07 stsp if (icommit->logmsg_len == 0) {
1320 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = strdup("");
1321 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1322 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1323 ca6e02ac 2020-01-07 stsp goto done;
1326 ca6e02ac 2020-01-07 stsp size_t offset = 0, remain = icommit->logmsg_len;
1328 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = malloc(icommit->logmsg_len + 1);
1329 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1330 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1331 ca6e02ac 2020-01-07 stsp goto done;
1333 ca6e02ac 2020-01-07 stsp while (remain > 0) {
1334 ca6e02ac 2020-01-07 stsp struct imsg imsg_log;
1335 ca6e02ac 2020-01-07 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1338 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1340 ca6e02ac 2020-01-07 stsp goto done;
1342 ca6e02ac 2020-01-07 stsp if (imsg_log.hdr.type != GOT_IMSG_COMMIT_LOGMSG) {
1343 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1344 ca6e02ac 2020-01-07 stsp goto done;
1347 ca6e02ac 2020-01-07 stsp memcpy((*commit)->logmsg + offset,
1348 ca6e02ac 2020-01-07 stsp imsg_log.data, n);
1349 ca6e02ac 2020-01-07 stsp imsg_free(&imsg_log);
1350 ca6e02ac 2020-01-07 stsp offset += n;
1351 ca6e02ac 2020-01-07 stsp remain -= n;
1353 ca6e02ac 2020-01-07 stsp (*commit)->logmsg[icommit->logmsg_len] = '\0';
1356 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommit->nparents; i++) {
1357 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
1359 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
1362 d7b5a0e8 2022-04-20 stsp memcpy(&qid->id, imsg->data + len +
1363 d7b5a0e8 2022-04-20 stsp i * SHA1_DIGEST_LENGTH, sizeof(qid->id));
1364 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(&(*commit)->parent_ids, qid, entry);
1365 ca6e02ac 2020-01-07 stsp (*commit)->nparents++;
1368 ca6e02ac 2020-01-07 stsp if (err) {
1369 ca6e02ac 2020-01-07 stsp got_object_commit_close(*commit);
1370 ca6e02ac 2020-01-07 stsp *commit = NULL;
1372 ca6e02ac 2020-01-07 stsp return err;
1375 ca6e02ac 2020-01-07 stsp const struct got_error *
1376 ca6e02ac 2020-01-07 stsp got_privsep_recv_commit(struct got_commit_object **commit, struct imsgbuf *ibuf)
1378 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
1379 ca6e02ac 2020-01-07 stsp struct imsg imsg;
1380 ca6e02ac 2020-01-07 stsp size_t datalen;
1381 ca6e02ac 2020-01-07 stsp const size_t min_datalen =
1382 ca6e02ac 2020-01-07 stsp MIN(sizeof(struct got_imsg_error),
1383 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_object));
1385 ca6e02ac 2020-01-07 stsp *commit = NULL;
1387 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1389 ca6e02ac 2020-01-07 stsp return err;
1391 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1393 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
1394 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
1395 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(commit, &imsg, datalen, ibuf);
1398 8c580685 2018-04-22 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1402 2178c42e 2018-04-22 stsp imsg_free(&imsg);
1404 e033d803 2018-04-23 stsp return err;
1407 33fd69c2 2022-05-19 stsp static const struct got_error *
1408 0ab4c957 2022-06-13 stsp send_tree_entries_batch(struct imsgbuf *ibuf,
1409 0ab4c957 2022-06-13 stsp struct got_parsed_tree_entry *entries, int idx0, int idxN, size_t len)
1411 33fd69c2 2022-05-19 stsp struct ibuf *wbuf;
1412 33fd69c2 2022-05-19 stsp struct got_imsg_tree_entries ientries;
1415 33fd69c2 2022-05-19 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_ENTRIES, 0, 0, len);
1416 33fd69c2 2022-05-19 stsp if (wbuf == NULL)
1417 33fd69c2 2022-05-19 stsp return got_error_from_errno("imsg_create TREE_ENTRY");
1419 33fd69c2 2022-05-19 stsp ientries.nentries = idxN - idx0 + 1;
1420 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &ientries, sizeof(ientries)) == -1)
1421 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_ENTRY");
1423 33fd69c2 2022-05-19 stsp for (i = idx0; i <= idxN; i++) {
1424 33fd69c2 2022-05-19 stsp struct got_parsed_tree_entry *pte = &entries[i];
1426 3022d272 2019-11-14 stsp /* Keep in sync with struct got_imsg_tree_object definition! */
1427 1453347d 2022-05-19 stsp if (imsg_add(wbuf, pte->id, SHA1_DIGEST_LENGTH) == -1)
1428 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_ENTRY");
1429 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &pte->mode, sizeof(pte->mode)) == -1)
1430 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_ENTRY");
1431 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &pte->namelen, sizeof(pte->namelen)) == -1)
1432 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_ENTRY");
1434 33fd69c2 2022-05-19 stsp /* Remaining bytes are the entry's name. */
1435 1453347d 2022-05-19 stsp if (imsg_add(wbuf, pte->name, pte->namelen) == -1)
1436 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add TREE_ENTRY");
1439 33fd69c2 2022-05-19 stsp wbuf->fd = -1;
1440 33fd69c2 2022-05-19 stsp imsg_close(ibuf, wbuf);
1441 33fd69c2 2022-05-19 stsp return NULL;
1444 0ab4c957 2022-06-13 stsp static const struct got_error *
1445 0ab4c957 2022-06-13 stsp send_tree_entries(struct imsgbuf *ibuf, struct got_parsed_tree_entry *entries,
1446 0ab4c957 2022-06-13 stsp int nentries)
1448 33fd69c2 2022-05-19 stsp const struct got_error *err = NULL;
1450 0ab4c957 2022-06-13 stsp size_t entries_len = sizeof(struct got_imsg_tree_entries);
1453 33fd69c2 2022-05-19 stsp for (j = 0; j < nentries; j++) {
1454 33fd69c2 2022-05-19 stsp struct got_parsed_tree_entry *pte = &entries[j];
1455 33fd69c2 2022-05-19 stsp size_t len = sizeof(*pte) + pte->namelen;
1457 33fd69c2 2022-05-19 stsp if (j > 0 &&
1458 33fd69c2 2022-05-19 stsp entries_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1459 0ab4c957 2022-06-13 stsp err = send_tree_entries_batch(ibuf, entries,
1460 33fd69c2 2022-05-19 stsp i, j - 1, entries_len);
1462 33fd69c2 2022-05-19 stsp return err;
1464 33fd69c2 2022-05-19 stsp entries_len = sizeof(struct got_imsg_tree_entries);
1467 33fd69c2 2022-05-19 stsp entries_len += len;
1470 33fd69c2 2022-05-19 stsp if (j > 0) {
1471 0ab4c957 2022-06-13 stsp err = send_tree_entries_batch(ibuf, entries, i, j - 1,
1472 0ab4c957 2022-06-13 stsp entries_len);
1474 33fd69c2 2022-05-19 stsp return err;
1477 0ab4c957 2022-06-13 stsp return NULL;
1480 0ab4c957 2022-06-13 stsp const struct got_error *
1481 0ab4c957 2022-06-13 stsp got_privsep_send_tree(struct imsgbuf *ibuf,
1482 0ab4c957 2022-06-13 stsp struct got_parsed_tree_entry *entries, int nentries)
1484 0ab4c957 2022-06-13 stsp const struct got_error *err = NULL;
1485 0ab4c957 2022-06-13 stsp struct got_imsg_tree_object itree;
1487 0ab4c957 2022-06-13 stsp itree.nentries = nentries;
1488 0ab4c957 2022-06-13 stsp if (imsg_compose(ibuf, GOT_IMSG_TREE, 0, 0, -1, &itree, sizeof(itree))
1490 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_compose TREE");
1492 0ab4c957 2022-06-13 stsp err = send_tree_entries(ibuf, entries, nentries);
1494 0ab4c957 2022-06-13 stsp return err;
1496 b00c9821 2018-11-04 stsp return flush_imsg(ibuf);
1500 0ab4c957 2022-06-13 stsp static const struct got_error *
1501 0ab4c957 2022-06-13 stsp recv_tree_entries(void *data, size_t datalen, struct got_tree_object *tree,
1502 0ab4c957 2022-06-13 stsp int *nentries)
1504 0ab4c957 2022-06-13 stsp const struct got_error *err = NULL;
1505 0ab4c957 2022-06-13 stsp struct got_imsg_tree_entries *ientries;
1506 0ab4c957 2022-06-13 stsp struct got_tree_entry *te;
1507 0ab4c957 2022-06-13 stsp size_t te_offset;
1510 0ab4c957 2022-06-13 stsp if (datalen <= sizeof(*ientries) ||
1511 0ab4c957 2022-06-13 stsp datalen > MAX_IMSGSIZE - IMSG_HEADER_SIZE)
1512 0ab4c957 2022-06-13 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1514 0ab4c957 2022-06-13 stsp ientries = (struct got_imsg_tree_entries *)data;
1515 0ab4c957 2022-06-13 stsp if (ientries->nentries > INT_MAX) {
1516 0ab4c957 2022-06-13 stsp return got_error_msg(GOT_ERR_NO_SPACE,
1517 0ab4c957 2022-06-13 stsp "too many tree entries");
1520 0ab4c957 2022-06-13 stsp te_offset = sizeof(*ientries);
1521 0ab4c957 2022-06-13 stsp for (i = 0; i < ientries->nentries; i++) {
1522 0ab4c957 2022-06-13 stsp struct got_imsg_tree_entry ite;
1523 0ab4c957 2022-06-13 stsp const char *te_name;
1524 0ab4c957 2022-06-13 stsp uint8_t *buf = (uint8_t *)data + te_offset;
1526 0ab4c957 2022-06-13 stsp if (te_offset >= datalen) {
1527 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1531 0ab4c957 2022-06-13 stsp /* Might not be aligned, size is ~32 bytes. */
1532 0ab4c957 2022-06-13 stsp memcpy(&ite, buf, sizeof(ite));
1534 0ab4c957 2022-06-13 stsp if (ite.namelen >= sizeof(te->name)) {
1535 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1538 0ab4c957 2022-06-13 stsp if (te_offset + sizeof(ite) + ite.namelen > datalen) {
1539 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1543 0ab4c957 2022-06-13 stsp if (*nentries >= tree->nentries) {
1544 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1547 0ab4c957 2022-06-13 stsp te = &tree->entries[*nentries];
1548 0ab4c957 2022-06-13 stsp te_name = buf + sizeof(ite);
1549 0ab4c957 2022-06-13 stsp memcpy(te->name, te_name, ite.namelen);
1550 0ab4c957 2022-06-13 stsp te->name[ite.namelen] = '\0';
1551 0ab4c957 2022-06-13 stsp memcpy(te->id.sha1, ite.id, SHA1_DIGEST_LENGTH);
1552 0ab4c957 2022-06-13 stsp te->mode = ite.mode;
1553 0ab4c957 2022-06-13 stsp te->idx = *nentries;
1554 0ab4c957 2022-06-13 stsp (*nentries)++;
1556 0ab4c957 2022-06-13 stsp te_offset += sizeof(ite) + ite.namelen;
1559 0ab4c957 2022-06-13 stsp return err;
1562 e033d803 2018-04-23 stsp const struct got_error *
1563 068fd2bf 2018-04-24 stsp got_privsep_recv_tree(struct got_tree_object **tree, struct imsgbuf *ibuf)
1565 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
1566 e033d803 2018-04-23 stsp const size_t min_datalen =
1567 e033d803 2018-04-23 stsp MIN(sizeof(struct got_imsg_error),
1568 e033d803 2018-04-23 stsp sizeof(struct got_imsg_tree_object));
1569 291624d8 2018-11-07 stsp struct got_imsg_tree_object *itree;
1570 e033d803 2018-04-23 stsp int nentries = 0;
1572 e033d803 2018-04-23 stsp *tree = NULL;
1574 e033d803 2018-04-23 stsp err = read_imsg(ibuf);
1576 1e51f5b9 2018-04-23 stsp goto done;
1579 e033d803 2018-04-23 stsp struct imsg imsg;
1581 e033d803 2018-04-23 stsp size_t datalen;
1583 e033d803 2018-04-23 stsp n = imsg_get(ibuf, &imsg);
1584 e033d803 2018-04-23 stsp if (n == 0) {
1585 7429ae85 2022-05-18 stsp if ((*tree)) {
1586 7429ae85 2022-05-18 stsp if (nentries < (*tree)->nentries) {
1587 7429ae85 2022-05-18 stsp err = read_imsg(ibuf);
1594 7429ae85 2022-05-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1599 fca1f6ad 2020-08-27 stsp if (imsg.hdr.len < IMSG_HEADER_SIZE + min_datalen) {
1600 fca1f6ad 2020-08-27 stsp imsg_free(&imsg);
1601 fca1f6ad 2020-08-27 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1605 e033d803 2018-04-23 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1607 e033d803 2018-04-23 stsp switch (imsg.hdr.type) {
1608 e033d803 2018-04-23 stsp case GOT_IMSG_ERROR:
1609 e033d803 2018-04-23 stsp err = recv_imsg_error(&imsg, datalen);
1611 e033d803 2018-04-23 stsp case GOT_IMSG_TREE:
1612 e033d803 2018-04-23 stsp /* This message should only appear once. */
1613 e033d803 2018-04-23 stsp if (*tree != NULL) {
1614 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1617 291624d8 2018-11-07 stsp if (datalen != sizeof(*itree)) {
1618 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1621 291624d8 2018-11-07 stsp itree = imsg.data;
1622 13fcf1bf 2022-05-18 stsp if (itree->nentries < 0) {
1623 13fcf1bf 2022-05-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1626 c3b78ecc 2018-11-07 stsp *tree = malloc(sizeof(**tree));
1627 e033d803 2018-04-23 stsp if (*tree == NULL) {
1628 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1631 56e0773d 2019-11-28 stsp (*tree)->entries = calloc(itree->nentries,
1632 56e0773d 2019-11-28 stsp sizeof(struct got_tree_entry));
1633 56e0773d 2019-11-28 stsp if ((*tree)->entries == NULL) {
1634 56e0773d 2019-11-28 stsp err = got_error_from_errno("malloc");
1635 baef4d75 2022-05-18 stsp free(*tree);
1636 baef4d75 2022-05-18 stsp *tree = NULL;
1639 56e0773d 2019-11-28 stsp (*tree)->nentries = itree->nentries;
1640 c3b78ecc 2018-11-07 stsp (*tree)->refcnt = 0;
1642 33fd69c2 2022-05-19 stsp case GOT_IMSG_TREE_ENTRIES:
1643 e033d803 2018-04-23 stsp /* This message should be preceeded by GOT_IMSG_TREE. */
1644 e033d803 2018-04-23 stsp if (*tree == NULL) {
1645 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1648 0ab4c957 2022-06-13 stsp err = recv_tree_entries(imsg.data, datalen,
1649 0ab4c957 2022-06-13 stsp *tree, &nentries);
1652 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1656 e033d803 2018-04-23 stsp imsg_free(&imsg);
1661 56e0773d 2019-11-28 stsp if (*tree && (*tree)->nentries != nentries) {
1662 1e51f5b9 2018-04-23 stsp if (err == NULL)
1663 1e51f5b9 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1664 e033d803 2018-04-23 stsp got_object_tree_close(*tree);
1665 e033d803 2018-04-23 stsp *tree = NULL;
1668 ff6b18f8 2018-04-24 stsp return err;
1671 ff6b18f8 2018-04-24 stsp const struct got_error *
1672 ac544f8c 2019-01-13 stsp got_privsep_send_blob(struct imsgbuf *ibuf, size_t size, size_t hdrlen,
1673 ac544f8c 2019-01-13 stsp const uint8_t *data)
1675 2967a784 2018-04-24 stsp struct got_imsg_blob iblob;
1677 2967a784 2018-04-24 stsp iblob.size = size;
1678 ebc55e2d 2018-12-24 stsp iblob.hdrlen = hdrlen;
1680 ac544f8c 2019-01-13 stsp if (data) {
1681 ac544f8c 2019-01-13 stsp uint8_t *buf;
1683 ac544f8c 2019-01-13 stsp if (size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX)
1684 ac544f8c 2019-01-13 stsp return got_error(GOT_ERR_NO_SPACE);
1686 ac544f8c 2019-01-13 stsp buf = malloc(sizeof(iblob) + size);
1687 ac544f8c 2019-01-13 stsp if (buf == NULL)
1688 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1690 ac544f8c 2019-01-13 stsp memcpy(buf, &iblob, sizeof(iblob));
1691 ac544f8c 2019-01-13 stsp memcpy(buf + sizeof(iblob), data, size);
1692 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, buf,
1693 62d463ca 2020-10-20 naddy sizeof(iblob) + size) == -1) {
1694 ac544f8c 2019-01-13 stsp free(buf);
1695 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1697 ac544f8c 2019-01-13 stsp free(buf);
1699 ac544f8c 2019-01-13 stsp /* Data has already been written to file descriptor. */
1700 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, &iblob,
1701 ac544f8c 2019-01-13 stsp sizeof(iblob)) == -1)
1702 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1706 ff6b18f8 2018-04-24 stsp return flush_imsg(ibuf);
1709 ff6b18f8 2018-04-24 stsp const struct got_error *
1710 ac544f8c 2019-01-13 stsp got_privsep_recv_blob(uint8_t **outbuf, size_t *size, size_t *hdrlen,
1711 ac544f8c 2019-01-13 stsp struct imsgbuf *ibuf)
1713 ff6b18f8 2018-04-24 stsp const struct got_error *err = NULL;
1714 ff6b18f8 2018-04-24 stsp struct imsg imsg;
1715 291624d8 2018-11-07 stsp struct got_imsg_blob *iblob;
1716 ff6b18f8 2018-04-24 stsp size_t datalen;
1718 ac544f8c 2019-01-13 stsp *outbuf = NULL;
1720 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1722 ff6b18f8 2018-04-24 stsp return err;
1724 ff6b18f8 2018-04-24 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1726 ff6b18f8 2018-04-24 stsp switch (imsg.hdr.type) {
1727 ff6b18f8 2018-04-24 stsp case GOT_IMSG_BLOB:
1728 ac544f8c 2019-01-13 stsp if (datalen < sizeof(*iblob)) {
1729 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1732 291624d8 2018-11-07 stsp iblob = imsg.data;
1733 291624d8 2018-11-07 stsp *size = iblob->size;
1734 ebc55e2d 2018-12-24 stsp *hdrlen = iblob->hdrlen;
1736 ac544f8c 2019-01-13 stsp if (datalen == sizeof(*iblob)) {
1737 ac544f8c 2019-01-13 stsp /* Data has been written to file descriptor. */
1741 ac544f8c 2019-01-13 stsp if (*size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX) {
1742 ac544f8c 2019-01-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1746 ac544f8c 2019-01-13 stsp *outbuf = malloc(*size);
1747 ac544f8c 2019-01-13 stsp if (*outbuf == NULL) {
1748 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1751 ac544f8c 2019-01-13 stsp memcpy(*outbuf, imsg.data + sizeof(*iblob), *size);
1754 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1758 f4a881ce 2018-11-17 stsp imsg_free(&imsg);
1760 f4a881ce 2018-11-17 stsp return err;
1763 f4a881ce 2018-11-17 stsp static const struct got_error *
1764 f4a881ce 2018-11-17 stsp send_tagmsg(struct imsgbuf *ibuf, struct got_tag_object *tag, size_t tagmsg_len)
1766 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1767 f4a881ce 2018-11-17 stsp size_t offset, remain;
1769 f4a881ce 2018-11-17 stsp offset = 0;
1770 f4a881ce 2018-11-17 stsp remain = tagmsg_len;
1771 f4a881ce 2018-11-17 stsp while (remain > 0) {
1772 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1774 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_TAGMSG, 0, 0, -1,
1775 f4a881ce 2018-11-17 stsp tag->tagmsg + offset, n) == -1) {
1776 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG_TAGMSG");
1780 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1784 f4a881ce 2018-11-17 stsp offset += n;
1785 f4a881ce 2018-11-17 stsp remain -= n;
1788 f4a881ce 2018-11-17 stsp return err;
1791 f4a881ce 2018-11-17 stsp const struct got_error *
1792 f4a881ce 2018-11-17 stsp got_privsep_send_tag(struct imsgbuf *ibuf, struct got_tag_object *tag)
1794 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1795 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1796 f4a881ce 2018-11-17 stsp uint8_t *buf;
1797 f4a881ce 2018-11-17 stsp size_t len, total;
1798 f4a881ce 2018-11-17 stsp size_t tag_len = strlen(tag->tag);
1799 f4a881ce 2018-11-17 stsp size_t tagger_len = strlen(tag->tagger);
1800 f4a881ce 2018-11-17 stsp size_t tagmsg_len = strlen(tag->tagmsg);
1802 f4a881ce 2018-11-17 stsp total = sizeof(*itag) + tag_len + tagger_len + tagmsg_len;
1804 f4a881ce 2018-11-17 stsp buf = malloc(total);
1805 f4a881ce 2018-11-17 stsp if (buf == NULL)
1806 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1808 f4a881ce 2018-11-17 stsp itag = (struct got_imsg_tag_object *)buf;
1809 f4a881ce 2018-11-17 stsp memcpy(itag->id, tag->id.sha1, sizeof(itag->id));
1810 f4a881ce 2018-11-17 stsp itag->obj_type = tag->obj_type;
1811 f4a881ce 2018-11-17 stsp itag->tag_len = tag_len;
1812 f4a881ce 2018-11-17 stsp itag->tagger_len = tagger_len;
1813 f4a881ce 2018-11-17 stsp itag->tagger_time = tag->tagger_time;
1814 f4a881ce 2018-11-17 stsp itag->tagger_gmtoff = tag->tagger_gmtoff;
1815 f4a881ce 2018-11-17 stsp itag->tagmsg_len = tagmsg_len;
1817 f4a881ce 2018-11-17 stsp len = sizeof(*itag);
1818 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tag, tag_len);
1819 f4a881ce 2018-11-17 stsp len += tag_len;
1820 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tagger, tagger_len);
1821 f4a881ce 2018-11-17 stsp len += tagger_len;
1823 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG, 0, 0, -1, buf, len) == -1) {
1824 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG");
1825 f4a881ce 2018-11-17 stsp goto done;
1828 f4a881ce 2018-11-17 stsp if (tagmsg_len == 0 ||
1829 f4a881ce 2018-11-17 stsp tagmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1830 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1832 f4a881ce 2018-11-17 stsp goto done;
1834 f4a881ce 2018-11-17 stsp err = send_tagmsg(ibuf, tag, tagmsg_len);
1836 f4a881ce 2018-11-17 stsp free(buf);
1837 f4a881ce 2018-11-17 stsp return err;
1840 f4a881ce 2018-11-17 stsp const struct got_error *
1841 f4a881ce 2018-11-17 stsp got_privsep_recv_tag(struct got_tag_object **tag, struct imsgbuf *ibuf)
1843 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1844 f4a881ce 2018-11-17 stsp struct imsg imsg;
1845 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1846 f4a881ce 2018-11-17 stsp size_t len, datalen;
1847 f4a881ce 2018-11-17 stsp const size_t min_datalen =
1848 f4a881ce 2018-11-17 stsp MIN(sizeof(struct got_imsg_error),
1849 f4a881ce 2018-11-17 stsp sizeof(struct got_imsg_tag_object));
1851 f4a881ce 2018-11-17 stsp *tag = NULL;
1853 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1855 f4a881ce 2018-11-17 stsp return err;
1857 f4a881ce 2018-11-17 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1860 f4a881ce 2018-11-17 stsp switch (imsg.hdr.type) {
1861 f4a881ce 2018-11-17 stsp case GOT_IMSG_TAG:
1862 f4a881ce 2018-11-17 stsp if (datalen < sizeof(*itag)) {
1863 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1866 f4a881ce 2018-11-17 stsp itag = imsg.data;
1867 f4a881ce 2018-11-17 stsp if (datalen != sizeof(*itag) + itag->tag_len +
1868 f4a881ce 2018-11-17 stsp itag->tagger_len) {
1869 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1872 f4a881ce 2018-11-17 stsp len += sizeof(*itag);
1874 f4a881ce 2018-11-17 stsp *tag = calloc(1, sizeof(**tag));
1875 f4a881ce 2018-11-17 stsp if (*tag == NULL) {
1876 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
1880 f4a881ce 2018-11-17 stsp memcpy((*tag)->id.sha1, itag->id, SHA1_DIGEST_LENGTH);
1882 bf31a716 2022-06-14 op (*tag)->tag = strndup(imsg.data + len, itag->tag_len);
1883 bf31a716 2022-06-14 op if ((*tag)->tag == NULL) {
1884 bf31a716 2022-06-14 op err = got_error_from_errno("strndup");
1887 f4a881ce 2018-11-17 stsp len += itag->tag_len;
1889 f4a881ce 2018-11-17 stsp (*tag)->obj_type = itag->obj_type;
1890 f4a881ce 2018-11-17 stsp (*tag)->tagger_time = itag->tagger_time;
1891 f4a881ce 2018-11-17 stsp (*tag)->tagger_gmtoff = itag->tagger_gmtoff;
1893 bf31a716 2022-06-14 op (*tag)->tagger = strndup(imsg.data + len, itag->tagger_len);
1894 bf31a716 2022-06-14 op if ((*tag)->tagger == NULL) {
1895 bf31a716 2022-06-14 op err = got_error_from_errno("strndup");
1898 f4a881ce 2018-11-17 stsp len += itag->tagger_len;
1900 f4a881ce 2018-11-17 stsp if (itag->tagmsg_len == 0) {
1901 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = strdup("");
1902 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1903 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1907 f4a881ce 2018-11-17 stsp size_t offset = 0, remain = itag->tagmsg_len;
1909 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = malloc(itag->tagmsg_len + 1);
1910 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1911 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1914 f4a881ce 2018-11-17 stsp while (remain > 0) {
1915 f4a881ce 2018-11-17 stsp struct imsg imsg_log;
1916 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1919 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1921 f4a881ce 2018-11-17 stsp return err;
1923 f4a881ce 2018-11-17 stsp if (imsg_log.hdr.type != GOT_IMSG_TAG_TAGMSG)
1924 f4a881ce 2018-11-17 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
1926 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagmsg + offset, imsg_log.data,
1928 f4a881ce 2018-11-17 stsp imsg_free(&imsg_log);
1929 f4a881ce 2018-11-17 stsp offset += n;
1930 f4a881ce 2018-11-17 stsp remain -= n;
1932 f4a881ce 2018-11-17 stsp (*tag)->tagmsg[itag->tagmsg_len] = '\0';
1937 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1941 ff6b18f8 2018-04-24 stsp imsg_free(&imsg);
1943 2178c42e 2018-04-22 stsp return err;
1946 876c234b 2018-09-10 stsp const struct got_error *
1947 876c234b 2018-09-10 stsp got_privsep_init_pack_child(struct imsgbuf *ibuf, struct got_pack *pack,
1948 876c234b 2018-09-10 stsp struct got_packidx *packidx)
1950 41496140 2019-02-21 stsp const struct got_error *err = NULL;
1951 876c234b 2018-09-10 stsp struct got_imsg_packidx ipackidx;
1952 876c234b 2018-09-10 stsp struct got_imsg_pack ipack;
1955 876c234b 2018-09-10 stsp ipackidx.len = packidx->len;
1956 c3564dfa 2021-07-15 stsp ipackidx.packfile_size = pack->filesize;
1957 876c234b 2018-09-10 stsp fd = dup(packidx->fd);
1958 876c234b 2018-09-10 stsp if (fd == -1)
1959 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1961 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKIDX, 0, 0, fd, &ipackidx,
1962 41496140 2019-02-21 stsp sizeof(ipackidx)) == -1) {
1963 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACKIDX");
1964 41496140 2019-02-21 stsp close(fd);
1965 41496140 2019-02-21 stsp return err;
1968 876c234b 2018-09-10 stsp if (strlcpy(ipack.path_packfile, pack->path_packfile,
1969 876c234b 2018-09-10 stsp sizeof(ipack.path_packfile)) >= sizeof(ipack.path_packfile))
1970 876c234b 2018-09-10 stsp return got_error(GOT_ERR_NO_SPACE);
1971 876c234b 2018-09-10 stsp ipack.filesize = pack->filesize;
1973 876c234b 2018-09-10 stsp fd = dup(pack->fd);
1974 876c234b 2018-09-10 stsp if (fd == -1)
1975 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1977 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACK, 0, 0, fd, &ipack, sizeof(ipack))
1979 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACK");
1980 41496140 2019-02-21 stsp close(fd);
1981 41496140 2019-02-21 stsp return err;
1984 876c234b 2018-09-10 stsp return flush_imsg(ibuf);
1987 876c234b 2018-09-10 stsp const struct got_error *
1988 106807b4 2018-09-15 stsp got_privsep_send_packed_obj_req(struct imsgbuf *ibuf, int idx,
1989 106807b4 2018-09-15 stsp struct got_object_id *id)
1991 876c234b 2018-09-10 stsp struct got_imsg_packed_object iobj;
1993 876c234b 2018-09-10 stsp iobj.idx = idx;
1994 106807b4 2018-09-15 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
1996 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_OBJECT_REQUEST, 0, 0, -1,
1997 876c234b 2018-09-10 stsp &iobj, sizeof(iobj)) == -1)
1998 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose "
1999 230a42bd 2019-05-11 jcs "PACKED_OBJECT_REQUEST");
2001 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2004 aba9c984 2019-09-08 stsp const struct got_error *
2005 59d1e4a0 2021-03-10 stsp got_privsep_send_packed_raw_obj_req(struct imsgbuf *ibuf, int idx,
2006 59d1e4a0 2021-03-10 stsp struct got_object_id *id)
2008 59d1e4a0 2021-03-10 stsp struct got_imsg_packed_object iobj;
2010 59d1e4a0 2021-03-10 stsp iobj.idx = idx;
2011 59d1e4a0 2021-03-10 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
2013 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_RAW_OBJECT_REQUEST, 0, 0, -1,
2014 59d1e4a0 2021-03-10 stsp &iobj, sizeof(iobj)) == -1)
2015 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose "
2016 59d1e4a0 2021-03-10 stsp "PACKED_OBJECT_REQUEST");
2018 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
2021 59d1e4a0 2021-03-10 stsp const struct got_error *
2022 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_parse_req(struct imsgbuf *ibuf, int fd)
2024 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2026 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_PARSE_REQUEST, 0, 0, fd,
2027 aba9c984 2019-09-08 stsp NULL, 0) == -1) {
2028 aba9c984 2019-09-08 stsp err = got_error_from_errno("imsg_compose "
2029 aba9c984 2019-09-08 stsp "GITCONFIG_PARSE_REQUEST");
2030 aba9c984 2019-09-08 stsp close(fd);
2031 aba9c984 2019-09-08 stsp return err;
2034 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2037 aba9c984 2019-09-08 stsp const struct got_error *
2038 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_repository_format_version_req(struct imsgbuf *ibuf)
2040 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2041 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST, 0, 0, -1,
2042 aba9c984 2019-09-08 stsp NULL, 0) == -1)
2043 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2044 aba9c984 2019-09-08 stsp "GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST");
2046 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2049 aba9c984 2019-09-08 stsp const struct got_error *
2050 20b7abb3 2020-10-22 stsp got_privsep_send_gitconfig_repository_extensions_req(struct imsgbuf *ibuf)
2052 20b7abb3 2020-10-22 stsp if (imsg_compose(ibuf,
2053 20b7abb3 2020-10-22 stsp GOT_IMSG_GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST, 0, 0, -1,
2054 20b7abb3 2020-10-22 stsp NULL, 0) == -1)
2055 20b7abb3 2020-10-22 stsp return got_error_from_errno("imsg_compose "
2056 20b7abb3 2020-10-22 stsp "GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST");
2058 20b7abb3 2020-10-22 stsp return flush_imsg(ibuf);
2062 20b7abb3 2020-10-22 stsp const struct got_error *
2063 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_name_req(struct imsgbuf *ibuf)
2065 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2066 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_NAME_REQUEST, 0, 0, -1, NULL, 0) == -1)
2067 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2068 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_NAME_REQUEST");
2070 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2073 aba9c984 2019-09-08 stsp const struct got_error *
2074 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_email_req(struct imsgbuf *ibuf)
2076 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2077 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_EMAIL_REQUEST, 0, 0, -1, NULL, 0) == -1)
2078 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2079 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_EMAIL_REQUEST");
2081 cd95becd 2019-11-29 stsp return flush_imsg(ibuf);
2084 cd95becd 2019-11-29 stsp const struct got_error *
2085 cd95becd 2019-11-29 stsp got_privsep_send_gitconfig_remotes_req(struct imsgbuf *ibuf)
2087 cd95becd 2019-11-29 stsp if (imsg_compose(ibuf,
2088 cd95becd 2019-11-29 stsp GOT_IMSG_GITCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2089 cd95becd 2019-11-29 stsp return got_error_from_errno("imsg_compose "
2090 cd95becd 2019-11-29 stsp "GITCONFIG_REMOTE_REQUEST");
2092 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2095 aba9c984 2019-09-08 stsp const struct got_error *
2096 9a1cc63f 2020-02-03 stsp got_privsep_send_gitconfig_owner_req(struct imsgbuf *ibuf)
2098 9a1cc63f 2020-02-03 stsp if (imsg_compose(ibuf,
2099 9a1cc63f 2020-02-03 stsp GOT_IMSG_GITCONFIG_OWNER_REQUEST, 0, 0, -1, NULL, 0) == -1)
2100 9a1cc63f 2020-02-03 stsp return got_error_from_errno("imsg_compose "
2101 9a1cc63f 2020-02-03 stsp "GITCONFIG_OWNER_REQUEST");
2103 9a1cc63f 2020-02-03 stsp return flush_imsg(ibuf);
2106 9a1cc63f 2020-02-03 stsp const struct got_error *
2107 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_str(char **str, struct imsgbuf *ibuf)
2109 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2110 aba9c984 2019-09-08 stsp struct imsg imsg;
2111 aba9c984 2019-09-08 stsp size_t datalen;
2113 aba9c984 2019-09-08 stsp *str = NULL;
2115 3e6054c4 2022-06-14 op err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2117 aba9c984 2019-09-08 stsp return err;
2118 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2120 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2121 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_STR_VAL:
2122 aba9c984 2019-09-08 stsp if (datalen == 0)
2124 6c13dcd2 2020-09-18 stsp /* datalen does not include terminating \0 */
2125 6c13dcd2 2020-09-18 stsp *str = malloc(datalen + 1);
2126 aba9c984 2019-09-08 stsp if (*str == NULL) {
2127 aba9c984 2019-09-08 stsp err = got_error_from_errno("malloc");
2130 6c13dcd2 2020-09-18 stsp memcpy(*str, imsg.data, datalen);
2131 6c13dcd2 2020-09-18 stsp (*str)[datalen] = '\0';
2134 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2138 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2139 aba9c984 2019-09-08 stsp return err;
2142 aba9c984 2019-09-08 stsp const struct got_error *
2143 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_int(int *val, struct imsgbuf *ibuf)
2145 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2146 aba9c984 2019-09-08 stsp struct imsg imsg;
2147 aba9c984 2019-09-08 stsp size_t datalen;
2148 aba9c984 2019-09-08 stsp const size_t min_datalen =
2149 aba9c984 2019-09-08 stsp MIN(sizeof(struct got_imsg_error), sizeof(int));
2153 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2155 aba9c984 2019-09-08 stsp return err;
2156 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2158 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2159 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_INT_VAL:
2160 aba9c984 2019-09-08 stsp if (datalen != sizeof(*val)) {
2161 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2164 aba9c984 2019-09-08 stsp memcpy(val, imsg.data, sizeof(*val));
2167 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2171 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2172 cd95becd 2019-11-29 stsp return err;
2175 b8adfa55 2020-09-25 stsp static void
2176 b8adfa55 2020-09-25 stsp free_remote_data(struct got_remote_repo *remote)
2180 b8adfa55 2020-09-25 stsp free(remote->name);
2181 6480c871 2021-08-30 stsp free(remote->fetch_url);
2182 6480c871 2021-08-30 stsp free(remote->send_url);
2183 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_branches; i++)
2184 6480c871 2021-08-30 stsp free(remote->fetch_branches[i]);
2185 6480c871 2021-08-30 stsp free(remote->fetch_branches);
2186 6480c871 2021-08-30 stsp for (i = 0; i < remote->nsend_branches; i++)
2187 6480c871 2021-08-30 stsp free(remote->send_branches[i]);
2188 6480c871 2021-08-30 stsp free(remote->send_branches);
2189 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_refs; i++)
2190 6480c871 2021-08-30 stsp free(remote->fetch_refs[i]);
2191 6480c871 2021-08-30 stsp free(remote->fetch_refs);
2194 cd95becd 2019-11-29 stsp const struct got_error *
2195 cd95becd 2019-11-29 stsp got_privsep_recv_gitconfig_remotes(struct got_remote_repo **remotes,
2196 cd95becd 2019-11-29 stsp int *nremotes, struct imsgbuf *ibuf)
2198 cd95becd 2019-11-29 stsp const struct got_error *err = NULL;
2199 cd95becd 2019-11-29 stsp struct imsg imsg;
2200 cd95becd 2019-11-29 stsp size_t datalen;
2201 cd95becd 2019-11-29 stsp struct got_imsg_remotes iremotes;
2202 cd95becd 2019-11-29 stsp struct got_imsg_remote iremote;
2204 cd95becd 2019-11-29 stsp *remotes = NULL;
2205 cd95becd 2019-11-29 stsp *nremotes = 0;
2206 d669b9c9 2020-02-22 stsp iremotes.nremotes = 0;
2208 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremotes));
2210 cd95becd 2019-11-29 stsp return err;
2211 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2213 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2214 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTES:
2215 cd95becd 2019-11-29 stsp if (datalen != sizeof(iremotes)) {
2216 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2219 cd95becd 2019-11-29 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2220 cd95becd 2019-11-29 stsp if (iremotes.nremotes == 0) {
2221 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2222 cd95becd 2019-11-29 stsp return NULL;
2226 54b1c5b5 2020-02-22 stsp imsg_free(&imsg);
2227 54b1c5b5 2020-02-22 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2230 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2232 5146eb39 2020-03-20 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2233 cd95becd 2019-11-29 stsp if (*remotes == NULL)
2234 cd95becd 2019-11-29 stsp return got_error_from_errno("recallocarray");
2236 cd95becd 2019-11-29 stsp while (*nremotes < iremotes.nremotes) {
2237 cd95becd 2019-11-29 stsp struct got_remote_repo *remote;
2239 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremote));
2242 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2244 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2245 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTE:
2246 cd95becd 2019-11-29 stsp remote = &(*remotes)[*nremotes];
2247 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2248 cd95becd 2019-11-29 stsp if (datalen < sizeof(iremote)) {
2249 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2252 cd95becd 2019-11-29 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2253 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2254 6480c871 2021-08-30 stsp iremote.fetch_url_len == 0 ||
2255 6480c871 2021-08-30 stsp iremote.send_url_len == 0 ||
2256 cd95becd 2019-11-29 stsp (sizeof(iremote) + iremote.name_len +
2257 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) > datalen) {
2258 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2261 cd95becd 2019-11-29 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2262 cd95becd 2019-11-29 stsp iremote.name_len);
2263 cd95becd 2019-11-29 stsp if (remote->name == NULL) {
2264 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2267 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data + sizeof(iremote) +
2268 6480c871 2021-08-30 stsp iremote.name_len, iremote.fetch_url_len);
2269 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2270 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2271 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2274 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data + sizeof(iremote) +
2275 6480c871 2021-08-30 stsp iremote.name_len + iremote.fetch_url_len,
2276 6480c871 2021-08-30 stsp iremote.send_url_len);
2277 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2278 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2279 6480c871 2021-08-30 stsp free_remote_data(remote);
2282 469dd726 2020-03-20 stsp remote->mirror_references = iremote.mirror_references;
2283 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2284 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2285 6480c871 2021-08-30 stsp remote->fetch_branches = NULL;
2286 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2287 6480c871 2021-08-30 stsp remote->send_branches = NULL;
2288 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2289 6480c871 2021-08-30 stsp remote->fetch_refs = NULL;
2290 cd95becd 2019-11-29 stsp (*nremotes)++;
2293 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2297 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2302 cd95becd 2019-11-29 stsp if (err) {
2304 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2305 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2306 cd95becd 2019-11-29 stsp free(*remotes);
2307 cd95becd 2019-11-29 stsp *remotes = NULL;
2308 cd95becd 2019-11-29 stsp *nremotes = 0;
2310 aba9c984 2019-09-08 stsp return err;
2313 257add31 2020-09-09 stsp const struct got_error *
2314 257add31 2020-09-09 stsp got_privsep_send_gotconfig_parse_req(struct imsgbuf *ibuf, int fd)
2316 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2318 257add31 2020-09-09 stsp if (imsg_compose(ibuf, GOT_IMSG_GOTCONFIG_PARSE_REQUEST, 0, 0, fd,
2319 257add31 2020-09-09 stsp NULL, 0) == -1) {
2320 257add31 2020-09-09 stsp err = got_error_from_errno("imsg_compose "
2321 257add31 2020-09-09 stsp "GOTCONFIG_PARSE_REQUEST");
2322 257add31 2020-09-09 stsp close(fd);
2323 257add31 2020-09-09 stsp return err;
2326 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2329 257add31 2020-09-09 stsp const struct got_error *
2330 257add31 2020-09-09 stsp got_privsep_send_gotconfig_author_req(struct imsgbuf *ibuf)
2332 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2333 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_AUTHOR_REQUEST, 0, 0, -1, NULL, 0) == -1)
2334 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2335 257add31 2020-09-09 stsp "GOTCONFIG_AUTHOR_REQUEST");
2337 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2340 ca6e02ac 2020-01-07 stsp const struct got_error *
2341 257add31 2020-09-09 stsp got_privsep_send_gotconfig_remotes_req(struct imsgbuf *ibuf)
2343 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2344 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2345 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2346 257add31 2020-09-09 stsp "GOTCONFIG_REMOTE_REQUEST");
2348 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2351 257add31 2020-09-09 stsp const struct got_error *
2352 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_str(char **str, struct imsgbuf *ibuf)
2354 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2355 257add31 2020-09-09 stsp struct imsg imsg;
2356 257add31 2020-09-09 stsp size_t datalen;
2358 257add31 2020-09-09 stsp *str = NULL;
2360 3e6054c4 2022-06-14 op err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2362 257add31 2020-09-09 stsp return err;
2363 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2365 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2366 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2367 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2369 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_STR_VAL:
2370 257add31 2020-09-09 stsp if (datalen == 0)
2372 5874ea87 2020-09-18 stsp /* datalen does not include terminating \0 */
2373 5874ea87 2020-09-18 stsp *str = malloc(datalen + 1);
2374 257add31 2020-09-09 stsp if (*str == NULL) {
2375 257add31 2020-09-09 stsp err = got_error_from_errno("malloc");
2378 5874ea87 2020-09-18 stsp memcpy(*str, imsg.data, datalen);
2379 5874ea87 2020-09-18 stsp (*str)[datalen] = '\0';
2382 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2386 257add31 2020-09-09 stsp imsg_free(&imsg);
2387 257add31 2020-09-09 stsp return err;
2390 257add31 2020-09-09 stsp const struct got_error *
2391 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_remotes(struct got_remote_repo **remotes,
2392 257add31 2020-09-09 stsp int *nremotes, struct imsgbuf *ibuf)
2394 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2395 257add31 2020-09-09 stsp struct imsg imsg;
2396 257add31 2020-09-09 stsp size_t datalen;
2397 257add31 2020-09-09 stsp struct got_imsg_remotes iremotes;
2398 257add31 2020-09-09 stsp struct got_imsg_remote iremote;
2399 257add31 2020-09-09 stsp const size_t min_datalen =
2400 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremotes));
2402 257add31 2020-09-09 stsp *remotes = NULL;
2403 257add31 2020-09-09 stsp *nremotes = 0;
2404 257add31 2020-09-09 stsp iremotes.nremotes = 0;
2406 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2408 257add31 2020-09-09 stsp return err;
2409 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2411 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2412 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2413 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2415 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTES:
2416 257add31 2020-09-09 stsp if (datalen != sizeof(iremotes)) {
2417 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2420 257add31 2020-09-09 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2421 257add31 2020-09-09 stsp if (iremotes.nremotes == 0) {
2422 257add31 2020-09-09 stsp imsg_free(&imsg);
2423 257add31 2020-09-09 stsp return NULL;
2427 257add31 2020-09-09 stsp imsg_free(&imsg);
2428 257add31 2020-09-09 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2431 257add31 2020-09-09 stsp imsg_free(&imsg);
2433 257add31 2020-09-09 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2434 257add31 2020-09-09 stsp if (*remotes == NULL)
2435 257add31 2020-09-09 stsp return got_error_from_errno("recallocarray");
2437 257add31 2020-09-09 stsp while (*nremotes < iremotes.nremotes) {
2438 257add31 2020-09-09 stsp struct got_remote_repo *remote;
2439 257add31 2020-09-09 stsp const size_t min_datalen =
2440 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremote));
2443 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2446 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2448 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2449 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2450 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2452 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTE:
2453 257add31 2020-09-09 stsp remote = &(*remotes)[*nremotes];
2454 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2455 257add31 2020-09-09 stsp if (datalen < sizeof(iremote)) {
2456 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2459 257add31 2020-09-09 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2460 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2461 6480c871 2021-08-30 stsp (iremote.fetch_url_len == 0 &&
2462 6480c871 2021-08-30 stsp iremote.send_url_len == 0) ||
2463 257add31 2020-09-09 stsp (sizeof(iremote) + iremote.name_len +
2464 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) >
2465 6480c871 2021-08-30 stsp datalen) {
2466 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2469 257add31 2020-09-09 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2470 257add31 2020-09-09 stsp iremote.name_len);
2471 257add31 2020-09-09 stsp if (remote->name == NULL) {
2472 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2475 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data +
2476 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len,
2477 6480c871 2021-08-30 stsp iremote.fetch_url_len);
2478 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2479 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2480 6480c871 2021-08-30 stsp free_remote_data(remote);
2483 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data +
2484 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len +
2485 6480c871 2021-08-30 stsp iremote.fetch_url_len, iremote.send_url_len);
2486 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2487 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2488 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2491 257add31 2020-09-09 stsp remote->mirror_references = iremote.mirror_references;
2492 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2493 6480c871 2021-08-30 stsp if (iremote.nfetch_branches > 0) {
2494 6480c871 2021-08-30 stsp remote->fetch_branches = recallocarray(NULL, 0,
2495 6480c871 2021-08-30 stsp iremote.nfetch_branches, sizeof(char *));
2496 6480c871 2021-08-30 stsp if (remote->fetch_branches == NULL) {
2497 b8adfa55 2020-09-25 stsp err = got_error_from_errno("calloc");
2498 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2502 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2503 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_branches; i++) {
2504 b8adfa55 2020-09-25 stsp char *branch;
2505 b8adfa55 2020-09-25 stsp err = got_privsep_recv_gotconfig_str(&branch,
2507 b8adfa55 2020-09-25 stsp if (err) {
2508 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2509 b8adfa55 2020-09-25 stsp goto done;
2511 6480c871 2021-08-30 stsp remote->fetch_branches[i] = branch;
2512 6480c871 2021-08-30 stsp remote->nfetch_branches++;
2514 6480c871 2021-08-30 stsp if (iremote.nsend_branches > 0) {
2515 6480c871 2021-08-30 stsp remote->send_branches = recallocarray(NULL, 0,
2516 6480c871 2021-08-30 stsp iremote.nsend_branches, sizeof(char *));
2517 6480c871 2021-08-30 stsp if (remote->send_branches == NULL) {
2518 99495ddb 2021-01-10 stsp err = got_error_from_errno("calloc");
2519 99495ddb 2021-01-10 stsp free_remote_data(remote);
2523 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2524 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nsend_branches; i++) {
2525 6480c871 2021-08-30 stsp char *branch;
2526 6480c871 2021-08-30 stsp err = got_privsep_recv_gotconfig_str(&branch,
2528 6480c871 2021-08-30 stsp if (err) {
2529 6480c871 2021-08-30 stsp free_remote_data(remote);
2530 6480c871 2021-08-30 stsp goto done;
2532 6480c871 2021-08-30 stsp remote->send_branches[i] = branch;
2533 6480c871 2021-08-30 stsp remote->nsend_branches++;
2535 6480c871 2021-08-30 stsp if (iremote.nfetch_refs > 0) {
2536 6480c871 2021-08-30 stsp remote->fetch_refs = recallocarray(NULL, 0,
2537 6480c871 2021-08-30 stsp iremote.nfetch_refs, sizeof(char *));
2538 6480c871 2021-08-30 stsp if (remote->fetch_refs == NULL) {
2539 6480c871 2021-08-30 stsp err = got_error_from_errno("calloc");
2540 6480c871 2021-08-30 stsp free_remote_data(remote);
2544 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2545 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_refs; i++) {
2546 99495ddb 2021-01-10 stsp char *ref;
2547 99495ddb 2021-01-10 stsp err = got_privsep_recv_gotconfig_str(&ref,
2549 99495ddb 2021-01-10 stsp if (err) {
2550 99495ddb 2021-01-10 stsp free_remote_data(remote);
2551 99495ddb 2021-01-10 stsp goto done;
2553 6480c871 2021-08-30 stsp remote->fetch_refs[i] = ref;
2554 6480c871 2021-08-30 stsp remote->nfetch_refs++;
2556 257add31 2020-09-09 stsp (*nremotes)++;
2559 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2563 257add31 2020-09-09 stsp imsg_free(&imsg);
2568 257add31 2020-09-09 stsp if (err) {
2570 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2571 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2572 257add31 2020-09-09 stsp free(*remotes);
2573 257add31 2020-09-09 stsp *remotes = NULL;
2574 257add31 2020-09-09 stsp *nremotes = 0;
2576 257add31 2020-09-09 stsp return err;
2579 257add31 2020-09-09 stsp const struct got_error *
2580 ca6e02ac 2020-01-07 stsp got_privsep_send_commit_traversal_request(struct imsgbuf *ibuf,
2581 abc59930 2021-09-05 naddy struct got_object_id *id, int idx, const char *path)
2583 ca6e02ac 2020-01-07 stsp struct ibuf *wbuf;
2584 ca6e02ac 2020-01-07 stsp size_t path_len = strlen(path) + 1;
2586 ca6e02ac 2020-01-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_COMMIT_TRAVERSAL_REQUEST, 0, 0,
2587 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_traversal_request) + path_len);
2588 ca6e02ac 2020-01-07 stsp if (wbuf == NULL)
2589 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
2590 ca6e02ac 2020-01-07 stsp "imsg_create COMMIT_TRAVERSAL_REQUEST");
2591 1453347d 2022-05-19 stsp if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1)
2592 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add "
2593 1453347d 2022-05-19 stsp "COMMIT_TRAVERSAL_REQUEST");
2594 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &idx, sizeof(idx)) == -1)
2595 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add "
2596 1453347d 2022-05-19 stsp "COMMIT_TRAVERSAL_REQUEST");
2597 1453347d 2022-05-19 stsp if (imsg_add(wbuf, path, path_len) == -1)
2598 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add "
2599 1453347d 2022-05-19 stsp "COMMIT_TRAVERSAL_REQUEST");
2601 ca6e02ac 2020-01-07 stsp wbuf->fd = -1;
2602 ca6e02ac 2020-01-07 stsp imsg_close(ibuf, wbuf);
2604 ca6e02ac 2020-01-07 stsp return flush_imsg(ibuf);
2607 ca6e02ac 2020-01-07 stsp const struct got_error *
2608 ca6e02ac 2020-01-07 stsp got_privsep_recv_traversed_commits(struct got_commit_object **changed_commit,
2609 ca6e02ac 2020-01-07 stsp struct got_object_id **changed_commit_id,
2610 ca6e02ac 2020-01-07 stsp struct got_object_id_queue *commit_ids, struct imsgbuf *ibuf)
2612 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
2613 ca6e02ac 2020-01-07 stsp struct imsg imsg;
2614 ca6e02ac 2020-01-07 stsp struct got_imsg_traversed_commits *icommits;
2615 ca6e02ac 2020-01-07 stsp size_t datalen;
2616 ca6e02ac 2020-01-07 stsp int i, done = 0;
2618 ca6e02ac 2020-01-07 stsp *changed_commit = NULL;
2619 ca6e02ac 2020-01-07 stsp *changed_commit_id = NULL;
2621 ca6e02ac 2020-01-07 stsp while (!done) {
2622 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2624 ca6e02ac 2020-01-07 stsp return err;
2626 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2627 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
2628 ca6e02ac 2020-01-07 stsp case GOT_IMSG_TRAVERSED_COMMITS:
2629 ca6e02ac 2020-01-07 stsp icommits = imsg.data;
2630 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommits) +
2631 ca6e02ac 2020-01-07 stsp icommits->ncommits * SHA1_DIGEST_LENGTH) {
2632 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2635 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommits->ncommits; i++) {
2636 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
2637 ca6e02ac 2020-01-07 stsp uint8_t *sha1 = (uint8_t *)imsg.data +
2638 ca6e02ac 2020-01-07 stsp sizeof(*icommits) + i * SHA1_DIGEST_LENGTH;
2639 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
2642 d7b5a0e8 2022-04-20 stsp memcpy(qid->id.sha1, sha1, SHA1_DIGEST_LENGTH);
2643 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(commit_ids, qid, entry);
2645 ca6e02ac 2020-01-07 stsp /* The last commit may contain a change. */
2646 ca6e02ac 2020-01-07 stsp if (i == icommits->ncommits - 1) {
2647 ca6e02ac 2020-01-07 stsp *changed_commit_id =
2648 d7b5a0e8 2022-04-20 stsp got_object_id_dup(&qid->id);
2649 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2650 ca6e02ac 2020-01-07 stsp err = got_error_from_errno(
2651 ca6e02ac 2020-01-07 stsp "got_object_id_dup");
2657 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
2658 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2659 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2662 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(changed_commit, &imsg,
2663 ca6e02ac 2020-01-07 stsp datalen, ibuf);
2665 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT_TRAVERSAL_DONE:
2669 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2673 ca6e02ac 2020-01-07 stsp imsg_free(&imsg);
2679 ca6e02ac 2020-01-07 stsp got_object_id_queue_free(commit_ids);
2680 ca6e02ac 2020-01-07 stsp return err;
2683 0ab4c957 2022-06-13 stsp const struct got_error *
2684 0ab4c957 2022-06-13 stsp got_privsep_send_enumerated_tree(size_t *totlen, struct imsgbuf *ibuf,
2685 0ab4c957 2022-06-13 stsp struct got_object_id *tree_id, const char *path,
2686 0ab4c957 2022-06-13 stsp struct got_parsed_tree_entry *entries, int nentries)
2688 0ab4c957 2022-06-13 stsp const struct got_error *err = NULL;
2689 0ab4c957 2022-06-13 stsp struct ibuf *wbuf;
2690 0ab4c957 2022-06-13 stsp size_t path_len = strlen(path);
2691 0ab4c957 2022-06-13 stsp size_t msglen;
2693 0ab4c957 2022-06-13 stsp msglen = sizeof(struct got_imsg_enumerated_tree) + path_len;
2694 0ab4c957 2022-06-13 stsp wbuf = imsg_create(ibuf, GOT_IMSG_ENUMERATED_TREE, 0, 0, msglen);
2695 0ab4c957 2022-06-13 stsp if (wbuf == NULL)
2696 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_create ENUMERATED_TREE");
2698 0ab4c957 2022-06-13 stsp if (imsg_add(wbuf, tree_id->sha1, SHA1_DIGEST_LENGTH) == -1)
2699 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_add ENUMERATED_TREE");
2700 0ab4c957 2022-06-13 stsp if (imsg_add(wbuf, &nentries, sizeof(nentries)) == -1)
2701 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_add ENUMERATED_TREE");
2702 0ab4c957 2022-06-13 stsp if (imsg_add(wbuf, path, path_len) == -1)
2703 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_add ENUMERATED_TREE");
2705 0ab4c957 2022-06-13 stsp wbuf->fd = -1;
2706 0ab4c957 2022-06-13 stsp imsg_close(ibuf, wbuf);
2708 0ab4c957 2022-06-13 stsp if (entries) {
2709 0ab4c957 2022-06-13 stsp err = send_tree_entries(ibuf, entries, nentries);
2711 0ab4c957 2022-06-13 stsp return err;
2714 0ab4c957 2022-06-13 stsp return flush_imsg(ibuf);
2717 67fd6849 2022-02-13 stsp const struct got_error *
2718 0ab4c957 2022-06-13 stsp got_privsep_send_object_enumeration_request(struct imsgbuf *ibuf)
2720 0ab4c957 2022-06-13 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_REQUEST,
2721 0ab4c957 2022-06-13 stsp 0, 0, -1, NULL, 0) == -1)
2722 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_compose "
2723 0ab4c957 2022-06-13 stsp "OBJECT_ENUMERATION_REQUEST");
2725 0ab4c957 2022-06-13 stsp return flush_imsg(ibuf);
2728 0ab4c957 2022-06-13 stsp const struct got_error *
2729 0ab4c957 2022-06-13 stsp got_privsep_send_object_enumeration_done(struct imsgbuf *ibuf)
2731 0ab4c957 2022-06-13 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_DONE,
2732 0ab4c957 2022-06-13 stsp 0, 0, -1, NULL, 0) == -1)
2733 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_compose "
2734 0ab4c957 2022-06-13 stsp "OBJECT_ENUMERATION_DONE");
2736 0ab4c957 2022-06-13 stsp return flush_imsg(ibuf);
2739 0ab4c957 2022-06-13 stsp const struct got_error *
2740 0ab4c957 2022-06-13 stsp got_privsep_send_enumerated_commit(struct imsgbuf *ibuf,
2741 0ab4c957 2022-06-13 stsp struct got_object_id *id, time_t mtime)
2743 0ab4c957 2022-06-13 stsp struct ibuf *wbuf;
2745 0ab4c957 2022-06-13 stsp wbuf = imsg_create(ibuf, GOT_IMSG_ENUMERATED_COMMIT, 0, 0,
2746 0ab4c957 2022-06-13 stsp sizeof(struct got_imsg_enumerated_commit) + SHA1_DIGEST_LENGTH);
2747 0ab4c957 2022-06-13 stsp if (wbuf == NULL)
2748 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_create ENUMERATED_COMMIT");
2750 0ab4c957 2022-06-13 stsp /* Keep in sync with struct got_imsg_enumerated_commit! */
2751 0ab4c957 2022-06-13 stsp if (imsg_add(wbuf, id, SHA1_DIGEST_LENGTH) == -1)
2752 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_add ENUMERATED_COMMIT");
2753 0ab4c957 2022-06-13 stsp if (imsg_add(wbuf, &mtime, sizeof(mtime)) == -1)
2754 0ab4c957 2022-06-13 stsp return got_error_from_errno("imsg_add ENUMERATED_COMMIT");
2756 0ab4c957 2022-06-13 stsp wbuf->fd = -1;
2757 0ab4c957 2022-06-13 stsp imsg_close(ibuf, wbuf);
2758 0ab4c957 2022-06-13 stsp /* Don't flush yet, tree entries or ENUMERATION_DONE will follow. */
2759 0ab4c957 2022-06-13 stsp return NULL;
2762 0ab4c957 2022-06-13 stsp const struct got_error *
2763 0ab4c957 2022-06-13 stsp got_privsep_recv_enumerated_objects(struct imsgbuf *ibuf,
2764 0ab4c957 2022-06-13 stsp got_object_enumerate_commit_cb cb_commit,
2765 0ab4c957 2022-06-13 stsp got_object_enumerate_tree_cb cb_tree, void *cb_arg,
2766 0ab4c957 2022-06-13 stsp struct got_repository *repo)
2768 0ab4c957 2022-06-13 stsp const struct got_error *err = NULL;
2769 0ab4c957 2022-06-13 stsp struct imsg imsg;
2770 0ab4c957 2022-06-13 stsp struct got_imsg_enumerated_commit *icommit = NULL;
2771 0ab4c957 2022-06-13 stsp struct got_object_id commit_id;
2772 0ab4c957 2022-06-13 stsp int have_commit = 0;
2773 0ab4c957 2022-06-13 stsp time_t mtime = 0;
2774 0ab4c957 2022-06-13 stsp struct got_tree_object tree;
2775 0ab4c957 2022-06-13 stsp struct got_imsg_enumerated_tree *itree;
2776 0ab4c957 2022-06-13 stsp struct got_object_id tree_id;
2777 0ab4c957 2022-06-13 stsp char *path = NULL, *canon_path = NULL;
2778 0ab4c957 2022-06-13 stsp size_t datalen, path_len;
2779 0ab4c957 2022-06-13 stsp int nentries = -1;
2780 0ab4c957 2022-06-13 stsp int done = 0;
2782 0ab4c957 2022-06-13 stsp memset(&tree, 0, sizeof(tree));
2784 0ab4c957 2022-06-13 stsp while (!done) {
2785 0ab4c957 2022-06-13 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2789 0ab4c957 2022-06-13 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2790 0ab4c957 2022-06-13 stsp switch (imsg.hdr.type) {
2791 0ab4c957 2022-06-13 stsp case GOT_IMSG_ENUMERATED_COMMIT:
2792 0ab4c957 2022-06-13 stsp if (have_commit && nentries != -1) {
2793 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2796 0ab4c957 2022-06-13 stsp if (datalen != sizeof(*icommit)) {
2797 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2800 0ab4c957 2022-06-13 stsp icommit = (struct got_imsg_enumerated_commit *)imsg.data;
2801 0ab4c957 2022-06-13 stsp memcpy(commit_id.sha1, icommit->id, SHA1_DIGEST_LENGTH);
2802 0ab4c957 2022-06-13 stsp mtime = icommit->mtime;
2803 0ab4c957 2022-06-13 stsp have_commit = 1;
2805 0ab4c957 2022-06-13 stsp case GOT_IMSG_ENUMERATED_TREE:
2806 0ab4c957 2022-06-13 stsp /* Should be preceeded by GOT_IMSG_ENUMERATED_COMMIT. */
2807 0ab4c957 2022-06-13 stsp if (!have_commit) {
2808 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2811 0ab4c957 2022-06-13 stsp if (datalen < sizeof(*itree)) {
2812 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2815 0ab4c957 2022-06-13 stsp itree = imsg.data;
2816 0ab4c957 2022-06-13 stsp path_len = datalen - sizeof(*itree);
2817 0ab4c957 2022-06-13 stsp if (path_len == 0) {
2818 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2821 0ab4c957 2022-06-13 stsp memcpy(tree_id.sha1, itree->id, sizeof(tree_id.sha1));
2822 0ab4c957 2022-06-13 stsp free(path);
2823 0ab4c957 2022-06-13 stsp path = malloc(path_len + 1);
2824 0ab4c957 2022-06-13 stsp if (path == NULL) {
2825 0ab4c957 2022-06-13 stsp err = got_error_from_errno("malloc");
2828 0ab4c957 2022-06-13 stsp free(canon_path);
2829 0ab4c957 2022-06-13 stsp canon_path = malloc(path_len + 1);
2830 0ab4c957 2022-06-13 stsp if (canon_path == NULL) {
2831 0ab4c957 2022-06-13 stsp err = got_error_from_errno("malloc");
2834 0ab4c957 2022-06-13 stsp memcpy(path, (uint8_t *)imsg.data + sizeof(*itree),
2835 0ab4c957 2022-06-13 stsp path_len);
2836 0ab4c957 2022-06-13 stsp path[path_len] = '\0';
2837 0ab4c957 2022-06-13 stsp if (!got_path_is_absolute(path)) {
2838 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_BAD_PATH);
2841 0ab4c957 2022-06-13 stsp if (got_path_is_root_dir(path)) {
2842 0ab4c957 2022-06-13 stsp /* XXX check what got_canonpath() does wrong */
2843 0ab4c957 2022-06-13 stsp canon_path[0] = '/';
2844 0ab4c957 2022-06-13 stsp canon_path[1] = '\0';
2846 0ab4c957 2022-06-13 stsp err = got_canonpath(path, canon_path,
2847 0ab4c957 2022-06-13 stsp path_len + 1);
2851 0ab4c957 2022-06-13 stsp if (strcmp(path, canon_path) != 0) {
2852 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_BAD_PATH);
2855 0ab4c957 2022-06-13 stsp if (nentries != -1) {
2856 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2859 0ab4c957 2022-06-13 stsp if (itree->nentries < -1) {
2860 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2863 0ab4c957 2022-06-13 stsp if (itree->nentries == -1) {
2864 0ab4c957 2022-06-13 stsp /* Tree was not found in pack file. */
2866 0ab4c957 2022-06-13 stsp err = cb_tree(cb_arg, NULL, mtime, &tree_id,
2867 0ab4c957 2022-06-13 stsp path, repo);
2870 0ab4c957 2022-06-13 stsp if (itree->nentries > INT_MAX) {
2871 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2874 0ab4c957 2022-06-13 stsp tree.entries = calloc(itree->nentries,
2875 0ab4c957 2022-06-13 stsp sizeof(struct got_tree_entry));
2876 0ab4c957 2022-06-13 stsp if (tree.entries == NULL) {
2877 0ab4c957 2022-06-13 stsp err = got_error_from_errno("calloc");
2880 0ab4c957 2022-06-13 stsp if (itree->nentries == 0) {
2881 0ab4c957 2022-06-13 stsp err = cb_tree(cb_arg, &tree, mtime, &tree_id,
2882 0ab4c957 2022-06-13 stsp path, repo);
2886 0ab4c957 2022-06-13 stsp /* Prepare for next tree. */
2887 0ab4c957 2022-06-13 stsp free(tree.entries);
2888 0ab4c957 2022-06-13 stsp memset(&tree, 0, sizeof(tree));
2889 0ab4c957 2022-06-13 stsp nentries = -1;
2891 0ab4c957 2022-06-13 stsp tree.nentries = itree->nentries;
2892 0ab4c957 2022-06-13 stsp nentries = 0;
2895 0ab4c957 2022-06-13 stsp case GOT_IMSG_TREE_ENTRIES:
2896 0ab4c957 2022-06-13 stsp /* Should be preceeded by GOT_IMSG_ENUMERATED_TREE. */
2897 0ab4c957 2022-06-13 stsp if (nentries <= -1) {
2898 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2901 0ab4c957 2022-06-13 stsp err = recv_tree_entries(imsg.data, datalen,
2902 0ab4c957 2022-06-13 stsp &tree, &nentries);
2905 0ab4c957 2022-06-13 stsp if (tree.nentries == nentries) {
2906 0ab4c957 2022-06-13 stsp err = cb_tree(cb_arg, &tree, mtime, &tree_id,
2907 0ab4c957 2022-06-13 stsp path, repo);
2911 0ab4c957 2022-06-13 stsp /* Prepare for next tree. */
2912 0ab4c957 2022-06-13 stsp free(tree.entries);
2913 0ab4c957 2022-06-13 stsp memset(&tree, 0, sizeof(tree));
2914 0ab4c957 2022-06-13 stsp nentries = -1;
2917 0ab4c957 2022-06-13 stsp case GOT_IMSG_TREE_ENUMERATION_DONE:
2918 0ab4c957 2022-06-13 stsp /* All trees have been found and traversed. */
2919 0ab4c957 2022-06-13 stsp if (!have_commit || path == NULL || nentries != -1) {
2920 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2923 0ab4c957 2022-06-13 stsp err = cb_commit(cb_arg, mtime, &commit_id, repo);
2926 0ab4c957 2022-06-13 stsp have_commit = 0;
2928 0ab4c957 2022-06-13 stsp case GOT_IMSG_OBJECT_ENUMERATION_DONE:
2932 0ab4c957 2022-06-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2936 0ab4c957 2022-06-13 stsp imsg_free(&imsg);
2941 0ab4c957 2022-06-13 stsp free(path);
2942 0ab4c957 2022-06-13 stsp free(canon_path);
2943 0ab4c957 2022-06-13 stsp free(tree.entries);
2944 0ab4c957 2022-06-13 stsp return err;
2947 0ab4c957 2022-06-13 stsp const struct got_error *
2948 67fd6849 2022-02-13 stsp got_privsep_send_raw_delta_req(struct imsgbuf *ibuf, int idx,
2949 67fd6849 2022-02-13 stsp struct got_object_id *id)
2951 67fd6849 2022-02-13 stsp struct got_imsg_raw_delta_request dreq;
2953 67fd6849 2022-02-13 stsp dreq.idx = idx;
2954 67fd6849 2022-02-13 stsp memcpy(dreq.id, id->sha1, SHA1_DIGEST_LENGTH);
2956 67fd6849 2022-02-13 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_DELTA_REQUEST, 0, 0, -1,
2957 67fd6849 2022-02-13 stsp &dreq, sizeof(dreq)) == -1)
2958 67fd6849 2022-02-13 stsp return got_error_from_errno("imsg_compose RAW_DELTA_REQUEST");
2960 67fd6849 2022-02-13 stsp return flush_imsg(ibuf);
2963 67fd6849 2022-02-13 stsp const struct got_error *
2964 67fd6849 2022-02-13 stsp got_privsep_send_raw_delta_outfd(struct imsgbuf *ibuf, int fd)
2966 67fd6849 2022-02-13 stsp return send_fd(ibuf, GOT_IMSG_RAW_DELTA_OUTFD, fd);
2969 67fd6849 2022-02-13 stsp const struct got_error *
2970 67fd6849 2022-02-13 stsp got_privsep_send_raw_delta(struct imsgbuf *ibuf, uint64_t base_size,
2971 2d9e6abf 2022-05-04 stsp uint64_t result_size, off_t delta_size, off_t delta_compressed_size,
2972 2d9e6abf 2022-05-04 stsp off_t delta_offset, off_t delta_out_offset, struct got_object_id *base_id)
2974 67fd6849 2022-02-13 stsp struct got_imsg_raw_delta idelta;
2977 67fd6849 2022-02-13 stsp idelta.base_size = base_size;
2978 67fd6849 2022-02-13 stsp idelta.result_size = result_size;
2979 67fd6849 2022-02-13 stsp idelta.delta_size = delta_size;
2980 2d9e6abf 2022-05-04 stsp idelta.delta_compressed_size = delta_compressed_size;
2981 67fd6849 2022-02-13 stsp idelta.delta_offset = delta_offset;
2982 67fd6849 2022-02-13 stsp idelta.delta_out_offset = delta_out_offset;
2983 67fd6849 2022-02-13 stsp memcpy(idelta.base_id, base_id->sha1, SHA1_DIGEST_LENGTH);
2985 67fd6849 2022-02-13 stsp ret = imsg_compose(ibuf, GOT_IMSG_RAW_DELTA, 0, 0, -1,
2986 67fd6849 2022-02-13 stsp &idelta, sizeof(idelta));
2987 67fd6849 2022-02-13 stsp if (ret == -1)
2988 67fd6849 2022-02-13 stsp return got_error_from_errno("imsg_compose RAW_DELTA");
2990 67fd6849 2022-02-13 stsp return flush_imsg(ibuf);
2993 ca6e02ac 2020-01-07 stsp const struct got_error *
2994 67fd6849 2022-02-13 stsp got_privsep_recv_raw_delta(uint64_t *base_size, uint64_t *result_size,
2995 2d9e6abf 2022-05-04 stsp off_t *delta_size, off_t *delta_compressed_size, off_t *delta_offset,
2996 2d9e6abf 2022-05-04 stsp off_t *delta_out_offset, struct got_object_id **base_id, struct imsgbuf *ibuf)
2998 67fd6849 2022-02-13 stsp const struct got_error *err = NULL;
2999 67fd6849 2022-02-13 stsp struct imsg imsg;
3000 67fd6849 2022-02-13 stsp struct got_imsg_raw_delta *delta;
3001 67fd6849 2022-02-13 stsp size_t datalen;
3003 67fd6849 2022-02-13 stsp *base_size = 0;
3004 67fd6849 2022-02-13 stsp *result_size = 0;
3005 67fd6849 2022-02-13 stsp *delta_size = 0;
3006 2d9e6abf 2022-05-04 stsp *delta_compressed_size = 0;
3007 67fd6849 2022-02-13 stsp *delta_offset = 0;
3008 67fd6849 2022-02-13 stsp *delta_out_offset = 0;
3009 67fd6849 2022-02-13 stsp *base_id = NULL;
3011 67fd6849 2022-02-13 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3013 67fd6849 2022-02-13 stsp return err;
3015 67fd6849 2022-02-13 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3017 67fd6849 2022-02-13 stsp switch (imsg.hdr.type) {
3018 67fd6849 2022-02-13 stsp case GOT_IMSG_RAW_DELTA:
3019 67fd6849 2022-02-13 stsp if (datalen != sizeof(*delta)) {
3020 67fd6849 2022-02-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
3023 67fd6849 2022-02-13 stsp delta = imsg.data;
3024 67fd6849 2022-02-13 stsp *base_size = delta->base_size;
3025 67fd6849 2022-02-13 stsp *result_size = delta->result_size;
3026 67fd6849 2022-02-13 stsp *delta_size = delta->delta_size;
3027 2d9e6abf 2022-05-04 stsp *delta_compressed_size = delta->delta_compressed_size;
3028 67fd6849 2022-02-13 stsp *delta_offset = delta->delta_offset;
3029 67fd6849 2022-02-13 stsp *delta_out_offset = delta->delta_out_offset;
3030 67fd6849 2022-02-13 stsp *base_id = calloc(1, sizeof(**base_id));
3031 67fd6849 2022-02-13 stsp if (*base_id == NULL) {
3032 67fd6849 2022-02-13 stsp err = got_error_from_errno("malloc");
3035 67fd6849 2022-02-13 stsp memcpy((*base_id)->sha1, delta->base_id, SHA1_DIGEST_LENGTH);
3038 67fd6849 2022-02-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
3042 67fd6849 2022-02-13 stsp imsg_free(&imsg);
3044 67fd6849 2022-02-13 stsp if (err) {
3045 67fd6849 2022-02-13 stsp free(*base_id);
3046 67fd6849 2022-02-13 stsp *base_id = NULL;
3048 fae7e038 2022-05-07 stsp return err;
3051 0ab4c957 2022-06-13 stsp static const struct got_error *
3052 0ab4c957 2022-06-13 stsp send_idlist(struct imsgbuf *ibuf, struct got_object_id **ids, size_t nids)
3054 fae7e038 2022-05-07 stsp const struct got_error *err = NULL;
3055 fae7e038 2022-05-07 stsp struct got_imsg_object_idlist idlist;
3056 fae7e038 2022-05-07 stsp struct ibuf *wbuf;
3059 fae7e038 2022-05-07 stsp if (nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS)
3060 fae7e038 2022-05-07 stsp return got_error(GOT_ERR_NO_SPACE);
3062 fae7e038 2022-05-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_OBJ_ID_LIST, 0, 0,
3063 fae7e038 2022-05-07 stsp sizeof(idlist) + nids * sizeof(**ids));
3064 fae7e038 2022-05-07 stsp if (wbuf == NULL) {
3065 fae7e038 2022-05-07 stsp err = got_error_from_errno("imsg_create OBJ_ID_LIST");
3066 fae7e038 2022-05-07 stsp return err;
3069 fae7e038 2022-05-07 stsp idlist.nids = nids;
3070 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &idlist, sizeof(idlist)) == -1)
3071 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add OBJ_ID_LIST");
3073 fae7e038 2022-05-07 stsp for (i = 0; i < nids; i++) {
3074 fae7e038 2022-05-07 stsp struct got_object_id *id = ids[i];
3075 1453347d 2022-05-19 stsp if (imsg_add(wbuf, id, sizeof(*id)) == -1)
3076 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add OBJ_ID_LIST");
3079 fae7e038 2022-05-07 stsp wbuf->fd = -1;
3080 fae7e038 2022-05-07 stsp imsg_close(ibuf, wbuf);
3082 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
3085 fae7e038 2022-05-07 stsp const struct got_error *
3086 0ab4c957 2022-06-13 stsp got_privsep_send_object_idlist(struct imsgbuf *ibuf,
3087 0ab4c957 2022-06-13 stsp struct got_object_id **ids, size_t nids)
3089 0ab4c957 2022-06-13 stsp const struct got_error *err = NULL;
3090 0ab4c957 2022-06-13 stsp struct got_object_id *idlist[GOT_IMSG_OBJ_ID_LIST_MAX_NIDS];
3091 0ab4c957 2022-06-13 stsp int i, j = 0;
3093 0ab4c957 2022-06-13 stsp for (i = 0; i < nids; i++) {
3094 0ab4c957 2022-06-13 stsp j = i % nitems(idlist);
3095 0ab4c957 2022-06-13 stsp idlist[j] = ids[i];
3096 0ab4c957 2022-06-13 stsp if (j >= nitems(idlist) - 1) {
3097 0ab4c957 2022-06-13 stsp err = send_idlist(ibuf, idlist, j + 1);
3099 0ab4c957 2022-06-13 stsp return err;
3104 0ab4c957 2022-06-13 stsp if (j > 0) {
3105 0ab4c957 2022-06-13 stsp err = send_idlist(ibuf, idlist, j + 1);
3107 0ab4c957 2022-06-13 stsp return err;
3110 0ab4c957 2022-06-13 stsp return NULL;
3113 0ab4c957 2022-06-13 stsp const struct got_error *
3114 fae7e038 2022-05-07 stsp got_privsep_send_object_idlist_done(struct imsgbuf *ibuf)
3116 fae7e038 2022-05-07 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJ_ID_LIST_DONE, 0, 0, -1, NULL, 0)
3118 fae7e038 2022-05-07 stsp return got_error_from_errno("imsg_compose OBJ_ID_LIST_DONE");
3120 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
3123 fae7e038 2022-05-07 stsp const struct got_error *
3124 fae7e038 2022-05-07 stsp got_privsep_recv_object_idlist(int *done, struct got_object_id **ids,
3125 fae7e038 2022-05-07 stsp size_t *nids, struct imsgbuf *ibuf)
3127 fae7e038 2022-05-07 stsp const struct got_error *err = NULL;
3128 fae7e038 2022-05-07 stsp struct imsg imsg;
3129 fae7e038 2022-05-07 stsp struct got_imsg_object_idlist *idlist;
3130 fae7e038 2022-05-07 stsp size_t datalen;
3132 fae7e038 2022-05-07 stsp *ids = NULL;
3133 fae7e038 2022-05-07 stsp *done = 0;
3134 fae7e038 2022-05-07 stsp *nids = 0;
3136 fae7e038 2022-05-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3138 fae7e038 2022-05-07 stsp return err;
3140 fae7e038 2022-05-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3141 fae7e038 2022-05-07 stsp switch (imsg.hdr.type) {
3142 fae7e038 2022-05-07 stsp case GOT_IMSG_OBJ_ID_LIST:
3143 fae7e038 2022-05-07 stsp if (datalen < sizeof(*idlist)) {
3144 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
3147 fae7e038 2022-05-07 stsp idlist = imsg.data;
3148 fae7e038 2022-05-07 stsp if (idlist->nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS) {
3149 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
3152 fae7e038 2022-05-07 stsp *nids = idlist->nids;
3153 fae7e038 2022-05-07 stsp *ids = calloc(*nids, sizeof(**ids));
3154 fae7e038 2022-05-07 stsp if (*ids == NULL) {
3155 fae7e038 2022-05-07 stsp err = got_error_from_errno("calloc");
3158 fae7e038 2022-05-07 stsp memcpy(*ids, (uint8_t *)imsg.data + sizeof(idlist),
3159 fae7e038 2022-05-07 stsp *nids * sizeof(**ids));
3161 fae7e038 2022-05-07 stsp case GOT_IMSG_OBJ_ID_LIST_DONE:
3162 fae7e038 2022-05-07 stsp *done = 1;
3165 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
3169 fae7e038 2022-05-07 stsp imsg_free(&imsg);
3171 fae7e038 2022-05-07 stsp return err;
3174 fae7e038 2022-05-07 stsp const struct got_error *
3175 fae7e038 2022-05-07 stsp got_privsep_send_delta_reuse_req(struct imsgbuf *ibuf)
3177 fae7e038 2022-05-07 stsp if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_REQUEST, 0, 0, -1, NULL, 0)
3179 fae7e038 2022-05-07 stsp return got_error_from_errno("imsg_compose DELTA_REUSE_REQUEST");
3181 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
3184 fae7e038 2022-05-07 stsp const struct got_error *
3185 fae7e038 2022-05-07 stsp got_privsep_send_reused_deltas(struct imsgbuf *ibuf,
3186 fae7e038 2022-05-07 stsp struct got_imsg_reused_delta *deltas, size_t ndeltas)
3188 fae7e038 2022-05-07 stsp const struct got_error *err = NULL;
3189 fae7e038 2022-05-07 stsp struct ibuf *wbuf;
3190 fae7e038 2022-05-07 stsp struct got_imsg_reused_deltas ideltas;
3193 fae7e038 2022-05-07 stsp if (ndeltas > GOT_IMSG_REUSED_DELTAS_MAX_NDELTAS)
3194 fae7e038 2022-05-07 stsp return got_error(GOT_ERR_NO_SPACE);
3196 fae7e038 2022-05-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_REUSED_DELTAS, 0, 0,
3197 fae7e038 2022-05-07 stsp sizeof(ideltas) + ndeltas * sizeof(*deltas));
3198 fae7e038 2022-05-07 stsp if (wbuf == NULL) {
3199 fae7e038 2022-05-07 stsp err = got_error_from_errno("imsg_create REUSED_DELTAS");
3200 fae7e038 2022-05-07 stsp return err;
3203 fae7e038 2022-05-07 stsp ideltas.ndeltas = ndeltas;
3204 1453347d 2022-05-19 stsp if (imsg_add(wbuf, &ideltas, sizeof(ideltas)) == -1)
3205 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add REUSED_DELTAS");
3207 fae7e038 2022-05-07 stsp for (i = 0; i < ndeltas; i++) {
3208 fae7e038 2022-05-07 stsp struct got_imsg_reused_delta *delta = &deltas[i];
3209 1453347d 2022-05-19 stsp if (imsg_add(wbuf, delta, sizeof(*delta)) == -1)
3210 1453347d 2022-05-19 stsp return got_error_from_errno("imsg_add REUSED_DELTAS");
3213 fae7e038 2022-05-07 stsp wbuf->fd = -1;
3214 fae7e038 2022-05-07 stsp imsg_close(ibuf, wbuf);
3216 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
3219 fae7e038 2022-05-07 stsp const struct got_error *
3220 fae7e038 2022-05-07 stsp got_privsep_send_reused_deltas_done(struct imsgbuf *ibuf)
3222 fae7e038 2022-05-07 stsp if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_DONE, 0, 0, -1, NULL, 0)
3224 fae7e038 2022-05-07 stsp return got_error_from_errno("imsg_compose DELTA_REUSE_DONE");
3226 fae7e038 2022-05-07 stsp return flush_imsg(ibuf);
3229 fae7e038 2022-05-07 stsp const struct got_error *
3230 fae7e038 2022-05-07 stsp got_privsep_recv_reused_deltas(int *done, struct got_imsg_reused_delta *deltas,
3231 fae7e038 2022-05-07 stsp size_t *ndeltas, struct imsgbuf *ibuf)
3233 fae7e038 2022-05-07 stsp const struct got_error *err = NULL;
3234 fae7e038 2022-05-07 stsp struct imsg imsg;
3235 fae7e038 2022-05-07 stsp struct got_imsg_reused_deltas *ideltas;
3236 fae7e038 2022-05-07 stsp size_t datalen;
3238 fae7e038 2022-05-07 stsp *done = 0;
3239 fae7e038 2022-05-07 stsp *ndeltas = 0;
3241 fae7e038 2022-05-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3243 fae7e038 2022-05-07 stsp return err;
3245 fae7e038 2022-05-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3246 fae7e038 2022-05-07 stsp switch (imsg.hdr.type) {
3247 fae7e038 2022-05-07 stsp case GOT_IMSG_REUSED_DELTAS:
3248 fae7e038 2022-05-07 stsp if (datalen < sizeof(*ideltas)) {
3249 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
3252 fae7e038 2022-05-07 stsp ideltas = imsg.data;
3253 fae7e038 2022-05-07 stsp if (ideltas->ndeltas > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS) {
3254 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
3257 fae7e038 2022-05-07 stsp *ndeltas = ideltas->ndeltas;
3258 fae7e038 2022-05-07 stsp memcpy(deltas, (uint8_t *)imsg.data + sizeof(ideltas),
3259 fae7e038 2022-05-07 stsp *ndeltas * sizeof(*deltas));
3261 fae7e038 2022-05-07 stsp case GOT_IMSG_DELTA_REUSE_DONE:
3262 fae7e038 2022-05-07 stsp *done = 1;
3265 fae7e038 2022-05-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
3269 fae7e038 2022-05-07 stsp imsg_free(&imsg);
3271 67fd6849 2022-02-13 stsp return err;
3274 67fd6849 2022-02-13 stsp const struct got_error *
3275 63219cd2 2019-01-04 stsp got_privsep_unveil_exec_helpers(void)
3277 c39c25dd 2019-08-09 stsp const char *helpers[] = {
3278 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_PACK,
3279 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_OBJECT,
3280 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_COMMIT,
3281 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TREE,
3282 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_BLOB,
3283 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TAG,
3284 aba9c984 2019-09-08 stsp GOT_PATH_PROG_READ_GITCONFIG,
3285 257add31 2020-09-09 stsp GOT_PATH_PROG_READ_GOTCONFIG,
3286 e9ce266e 2022-03-07 op GOT_PATH_PROG_READ_PATCH,
3287 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_FETCH_PACK,
3288 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_INDEX_PACK,
3289 f8a36e22 2021-08-26 stsp GOT_PATH_PROG_SEND_PACK,
3293 c39c25dd 2019-08-09 stsp for (i = 0; i < nitems(helpers); i++) {
3294 c39c25dd 2019-08-09 stsp if (unveil(helpers[i], "x") == 0)
3296 c39c25dd 2019-08-09 stsp return got_error_from_errno2("unveil", helpers[i]);
3299 63219cd2 2019-01-04 stsp return NULL;
3303 aba9c984 2019-09-08 stsp got_privsep_exec_child(int imsg_fds[2], const char *path, const char *repo_path)
3305 08578a35 2021-01-22 stsp if (close(imsg_fds[0]) == -1) {
3306 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3310 aba9c984 2019-09-08 stsp if (dup2(imsg_fds[1], GOT_IMSG_FD_CHILD) == -1) {
3311 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3315 4a55b231 2021-12-09 stsp closefrom(GOT_IMSG_FD_CHILD + 1);
3317 aba9c984 2019-09-08 stsp if (execl(path, path, repo_path, (char *)NULL) == -1) {
3318 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s: %s\n", getprogname(), path,
3319 aba9c984 2019-09-08 stsp strerror(errno));
