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/syslimits.h>
22 876c234b 2018-09-10 stsp #include <sys/wait.h>
24 531c3985 2020-03-18 stsp #include <ctype.h>
25 2178c42e 2018-04-22 stsp #include <stdio.h>
26 2178c42e 2018-04-22 stsp #include <stdlib.h>
27 2178c42e 2018-04-22 stsp #include <string.h>
28 2178c42e 2018-04-22 stsp #include <errno.h>
29 2178c42e 2018-04-22 stsp #include <stdint.h>
30 2178c42e 2018-04-22 stsp #include <poll.h>
31 2178c42e 2018-04-22 stsp #include <imsg.h>
32 2178c42e 2018-04-22 stsp #include <sha1.h>
33 2178c42e 2018-04-22 stsp #include <zlib.h>
34 788c352e 2018-06-16 stsp #include <time.h>
36 2178c42e 2018-04-22 stsp #include "got_object.h"
37 2178c42e 2018-04-22 stsp #include "got_error.h"
38 3022d272 2019-11-14 stsp #include "got_path.h"
39 cd95becd 2019-11-29 stsp #include "got_repository.h"
41 2178c42e 2018-04-22 stsp #include "got_lib_sha1.h"
42 2178c42e 2018-04-22 stsp #include "got_lib_delta.h"
43 63581804 2018-07-09 stsp #include "got_lib_inflate.h"
44 2178c42e 2018-04-22 stsp #include "got_lib_object.h"
45 a440fac0 2018-09-06 stsp #include "got_lib_object_parse.h"
46 2178c42e 2018-04-22 stsp #include "got_lib_privsep.h"
47 876c234b 2018-09-10 stsp #include "got_lib_pack.h"
50 2178c42e 2018-04-22 stsp #define MIN(_a,_b) ((_a) < (_b) ? (_a) : (_b))
53 c39c25dd 2019-08-09 stsp #ifndef nitems
54 c39c25dd 2019-08-09 stsp #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
57 2178c42e 2018-04-22 stsp static const struct got_error *
58 2178c42e 2018-04-22 stsp poll_fd(int fd, int events, int timeout)
60 2178c42e 2018-04-22 stsp struct pollfd pfd[1];
63 2178c42e 2018-04-22 stsp pfd[0].fd = fd;
64 2178c42e 2018-04-22 stsp pfd[0].events = events;
66 2178c42e 2018-04-22 stsp n = poll(pfd, 1, timeout);
67 2178c42e 2018-04-22 stsp if (n == -1)
68 638f9024 2019-05-13 stsp return got_error_from_errno("poll");
70 2178c42e 2018-04-22 stsp return got_error(GOT_ERR_TIMEOUT);
71 2178c42e 2018-04-22 stsp if (pfd[0].revents & (POLLERR | POLLNVAL))
72 638f9024 2019-05-13 stsp return got_error_from_errno("poll error");
73 2178c42e 2018-04-22 stsp if (pfd[0].revents & (events | POLLHUP))
74 2178c42e 2018-04-22 stsp return NULL;
76 2178c42e 2018-04-22 stsp return got_error(GOT_ERR_INTERRUPT);
79 c4eae628 2018-04-23 stsp static const struct got_error *
80 e033d803 2018-04-23 stsp read_imsg(struct imsgbuf *ibuf)
82 fe36cf76 2018-04-23 stsp const struct got_error *err;
85 fe36cf76 2018-04-23 stsp err = poll_fd(ibuf->fd, POLLIN, INFTIM);
89 fe36cf76 2018-04-23 stsp n = imsg_read(ibuf);
90 fe36cf76 2018-04-23 stsp if (n == -1) {
91 fe36cf76 2018-04-23 stsp if (errno == EAGAIN) /* Could be a file-descriptor leak. */
92 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_NO_FD);
93 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_READ);
96 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_PIPE);
98 e033d803 2018-04-23 stsp return NULL;
101 ad242220 2018-09-08 stsp const struct got_error *
102 876c234b 2018-09-10 stsp got_privsep_wait_for_child(pid_t pid)
104 876c234b 2018-09-10 stsp int child_status;
106 2cb49fa8 2019-05-10 stsp if (waitpid(pid, &child_status, 0) == -1)
107 638f9024 2019-05-13 stsp return got_error_from_errno("waitpid");
109 876c234b 2018-09-10 stsp if (!WIFEXITED(child_status))
110 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_DIED);
112 876c234b 2018-09-10 stsp if (WEXITSTATUS(child_status) != 0)
113 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_EXIT);
115 876c234b 2018-09-10 stsp return NULL;
118 73b7854a 2018-11-11 stsp static const struct got_error *
119 73b7854a 2018-11-11 stsp recv_imsg_error(struct imsg *imsg, size_t datalen)
121 73b7854a 2018-11-11 stsp struct got_imsg_error *ierr;
123 73b7854a 2018-11-11 stsp if (datalen != sizeof(*ierr))
124 73b7854a 2018-11-11 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
126 73b7854a 2018-11-11 stsp ierr = imsg->data;
127 73b7854a 2018-11-11 stsp if (ierr->code == GOT_ERR_ERRNO) {
128 73b7854a 2018-11-11 stsp static struct got_error serr;
129 73b7854a 2018-11-11 stsp serr.code = GOT_ERR_ERRNO;
130 73b7854a 2018-11-11 stsp serr.msg = strerror(ierr->errno_code);
131 73b7854a 2018-11-11 stsp return &serr;
134 73b7854a 2018-11-11 stsp return got_error(ierr->code);
137 876c234b 2018-09-10 stsp const struct got_error *
138 46de5bfd 2018-11-11 stsp got_privsep_recv_imsg(struct imsg *imsg, struct imsgbuf *ibuf,
139 46de5bfd 2018-11-11 stsp size_t min_datalen)
141 e033d803 2018-04-23 stsp const struct got_error *err;
144 e033d803 2018-04-23 stsp n = imsg_get(ibuf, imsg);
145 876c234b 2018-09-10 stsp if (n == -1)
146 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_get");
148 876c234b 2018-09-10 stsp while (n == 0) {
149 876c234b 2018-09-10 stsp err = read_imsg(ibuf);
151 876c234b 2018-09-10 stsp return err;
152 876c234b 2018-09-10 stsp n = imsg_get(ibuf, imsg);
153 cbfaaf20 2020-01-06 stsp if (n == -1)
154 cbfaaf20 2020-01-06 stsp return got_error_from_errno("imsg_get");
157 fe36cf76 2018-04-23 stsp if (imsg->hdr.len < IMSG_HEADER_SIZE + min_datalen)
158 c4eae628 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
160 73b7854a 2018-11-11 stsp if (imsg->hdr.type == GOT_IMSG_ERROR) {
161 73b7854a 2018-11-11 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
162 73b7854a 2018-11-11 stsp return recv_imsg_error(imsg, datalen);
165 73b7854a 2018-11-11 stsp return NULL;
168 2178c42e 2018-04-22 stsp /* Attempt to send an error in an imsg. Complain on stderr as a last resort. */
170 2178c42e 2018-04-22 stsp got_privsep_send_error(struct imsgbuf *ibuf, const struct got_error *err)
172 2178c42e 2018-04-22 stsp const struct got_error *poll_err;
173 2178c42e 2018-04-22 stsp struct got_imsg_error ierr;
176 2178c42e 2018-04-22 stsp ierr.code = err->code;
177 2178c42e 2018-04-22 stsp if (err->code == GOT_ERR_ERRNO)
178 2178c42e 2018-04-22 stsp ierr.errno_code = errno;
180 2178c42e 2018-04-22 stsp ierr.errno_code = 0;
181 2178c42e 2018-04-22 stsp ret = imsg_compose(ibuf, GOT_IMSG_ERROR, 0, 0, -1, &ierr, sizeof(ierr));
182 e93cd828 2018-11-11 stsp if (ret == -1) {
183 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_compose: %s\n",
184 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
188 2178c42e 2018-04-22 stsp poll_err = poll_fd(ibuf->fd, POLLOUT, INFTIM);
189 5d43e84d 2018-04-23 stsp if (poll_err) {
190 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": poll: %s\n",
191 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, poll_err->msg);
195 2178c42e 2018-04-22 stsp ret = imsg_flush(ibuf);
196 5d43e84d 2018-04-23 stsp if (ret == -1) {
197 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_flush: %s\n",
198 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
203 e033d803 2018-04-23 stsp static const struct got_error *
204 e033d803 2018-04-23 stsp flush_imsg(struct imsgbuf *ibuf)
206 e033d803 2018-04-23 stsp const struct got_error *err;
208 e033d803 2018-04-23 stsp err = poll_fd(ibuf->fd, POLLOUT, INFTIM);
210 e033d803 2018-04-23 stsp return err;
212 e033d803 2018-04-23 stsp if (imsg_flush(ibuf) == -1)
213 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_flush");
215 e033d803 2018-04-23 stsp return NULL;
218 ad242220 2018-09-08 stsp const struct got_error *
219 ad242220 2018-09-08 stsp got_privsep_send_stop(int fd)
221 ad242220 2018-09-08 stsp const struct got_error *err = NULL;
222 ad242220 2018-09-08 stsp struct imsgbuf ibuf;
224 ad242220 2018-09-08 stsp imsg_init(&ibuf, fd);
226 ad242220 2018-09-08 stsp if (imsg_compose(&ibuf, GOT_IMSG_STOP, 0, 0, -1, NULL, 0) == -1)
227 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose STOP");
229 ad242220 2018-09-08 stsp err = flush_imsg(&ibuf);
230 ad242220 2018-09-08 stsp imsg_clear(&ibuf);
231 ad242220 2018-09-08 stsp return err;
234 93658fb9 2020-03-18 stsp const struct got_error *
235 aea5f015 2018-12-24 stsp got_privsep_send_obj_req(struct imsgbuf *ibuf, int fd)
237 aea5f015 2018-12-24 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT_REQUEST, 0, 0, fd, NULL, 0)
239 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT_REQUEST");
241 1785f84a 2018-12-23 stsp return flush_imsg(ibuf);
244 1785f84a 2018-12-23 stsp const struct got_error *
245 1785f84a 2018-12-23 stsp got_privsep_send_commit_req(struct imsgbuf *ibuf, int fd,
246 1785f84a 2018-12-23 stsp struct got_object_id *id, int pack_idx)
248 41496140 2019-02-21 stsp const struct got_error *err = NULL;
249 1785f84a 2018-12-23 stsp struct got_imsg_packed_object iobj, *iobjp;
250 1785f84a 2018-12-23 stsp size_t len;
252 1785f84a 2018-12-23 stsp if (id) { /* commit is packed */
253 1785f84a 2018-12-23 stsp iobj.idx = pack_idx;
254 1785f84a 2018-12-23 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
255 1785f84a 2018-12-23 stsp iobjp = &iobj;
256 1785f84a 2018-12-23 stsp len = sizeof(iobj);
258 1785f84a 2018-12-23 stsp iobjp = NULL;
262 1785f84a 2018-12-23 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_REQUEST, 0, 0, fd, iobjp, len)
264 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT_REQUEST");
266 41496140 2019-02-21 stsp return err;
269 13c729f7 2018-12-24 stsp return flush_imsg(ibuf);
272 13c729f7 2018-12-24 stsp const struct got_error *
273 13c729f7 2018-12-24 stsp got_privsep_send_tree_req(struct imsgbuf *ibuf, int fd,
274 13c729f7 2018-12-24 stsp struct got_object_id *id, int pack_idx)
276 41496140 2019-02-21 stsp const struct got_error *err = NULL;
277 7f358e3b 2019-11-23 stsp struct ibuf *wbuf;
278 7f358e3b 2019-11-23 stsp size_t len = id ? sizeof(struct got_imsg_packed_object) : 0;
280 7f358e3b 2019-11-23 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_REQUEST, 0, 0, len);
281 7f358e3b 2019-11-23 stsp if (wbuf == NULL)
282 7f358e3b 2019-11-23 stsp return got_error_from_errno("imsg_create TREE_REQUEST");
284 13c729f7 2018-12-24 stsp if (id) { /* tree is packed */
285 7f358e3b 2019-11-23 stsp if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1) {
286 7f358e3b 2019-11-23 stsp err = got_error_from_errno("imsg_add TREE_ENTRY");
287 7f358e3b 2019-11-23 stsp ibuf_free(wbuf);
288 7f358e3b 2019-11-23 stsp return err;
291 7f358e3b 2019-11-23 stsp if (imsg_add(wbuf, &pack_idx, sizeof(pack_idx)) == -1) {
292 7f358e3b 2019-11-23 stsp err = got_error_from_errno("imsg_add TREE_ENTRY");
293 7f358e3b 2019-11-23 stsp ibuf_free(wbuf);
294 7f358e3b 2019-11-23 stsp return err;
298 7f358e3b 2019-11-23 stsp wbuf->fd = fd;
299 7f358e3b 2019-11-23 stsp imsg_close(ibuf, wbuf);
301 268f7291 2018-12-24 stsp return flush_imsg(ibuf);
304 268f7291 2018-12-24 stsp const struct got_error *
305 268f7291 2018-12-24 stsp got_privsep_send_tag_req(struct imsgbuf *ibuf, int fd,
306 268f7291 2018-12-24 stsp struct got_object_id *id, int pack_idx)
308 268f7291 2018-12-24 stsp struct got_imsg_packed_object iobj, *iobjp;
309 268f7291 2018-12-24 stsp size_t len;
311 268f7291 2018-12-24 stsp if (id) { /* tag is packed */
312 268f7291 2018-12-24 stsp iobj.idx = pack_idx;
313 268f7291 2018-12-24 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
314 268f7291 2018-12-24 stsp iobjp = &iobj;
315 268f7291 2018-12-24 stsp len = sizeof(iobj);
317 268f7291 2018-12-24 stsp iobjp = NULL;
321 268f7291 2018-12-24 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_REQUEST, 0, 0, fd, iobjp, len)
323 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose TAG_REQUEST");
325 7762fe12 2018-11-05 stsp return flush_imsg(ibuf);
328 7762fe12 2018-11-05 stsp const struct got_error *
329 ebc55e2d 2018-12-24 stsp got_privsep_send_blob_req(struct imsgbuf *ibuf, int infd,
330 ebc55e2d 2018-12-24 stsp struct got_object_id *id, int pack_idx)
332 41496140 2019-02-21 stsp const struct got_error *err = NULL;
333 ebc55e2d 2018-12-24 stsp struct got_imsg_packed_object iobj, *iobjp;
334 ebc55e2d 2018-12-24 stsp size_t len;
336 ebc55e2d 2018-12-24 stsp if (id) { /* blob is packed */
337 ebc55e2d 2018-12-24 stsp iobj.idx = pack_idx;
338 ebc55e2d 2018-12-24 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
339 ebc55e2d 2018-12-24 stsp iobjp = &iobj;
340 ebc55e2d 2018-12-24 stsp len = sizeof(iobj);
342 ebc55e2d 2018-12-24 stsp iobjp = NULL;
346 ebc55e2d 2018-12-24 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_REQUEST, 0, 0, infd, iobjp, len)
348 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_REQUEST");
349 41496140 2019-02-21 stsp close(infd);
350 41496140 2019-02-21 stsp return err;
353 55da3778 2018-09-10 stsp return flush_imsg(ibuf);
356 55da3778 2018-09-10 stsp const struct got_error *
357 55da3778 2018-09-10 stsp got_privsep_send_blob_outfd(struct imsgbuf *ibuf, int outfd)
359 41496140 2019-02-21 stsp const struct got_error *err = NULL;
361 ad242220 2018-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_OUTFD, 0, 0, outfd, NULL, 0)
363 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_OUTFD");
364 41496140 2019-02-21 stsp close(outfd);
365 41496140 2019-02-21 stsp return err;
368 3840f4c9 2018-09-12 stsp return flush_imsg(ibuf);
371 73ab1060 2020-03-18 stsp static const struct got_error *
372 73ab1060 2020-03-18 stsp send_fd(struct imsgbuf *ibuf, int imsg_code, int fd)
374 41496140 2019-02-21 stsp const struct got_error *err = NULL;
376 73ab1060 2020-03-18 stsp if (imsg_compose(ibuf, imsg_code, 0, 0, fd, NULL, 0) == -1) {
377 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TMPFD");
379 41496140 2019-02-21 stsp return err;
382 ad242220 2018-09-08 stsp return flush_imsg(ibuf);
385 ad242220 2018-09-08 stsp const struct got_error *
386 73ab1060 2020-03-18 stsp got_privsep_send_tmpfd(struct imsgbuf *ibuf, int fd)
388 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_TMPFD, fd);
391 73ab1060 2020-03-18 stsp const struct got_error *
392 876c234b 2018-09-10 stsp got_privsep_send_obj(struct imsgbuf *ibuf, struct got_object *obj)
394 2178c42e 2018-04-22 stsp struct got_imsg_object iobj;
396 c59b3346 2018-09-11 stsp memcpy(iobj.id, obj->id.sha1, sizeof(iobj.id));
397 2178c42e 2018-04-22 stsp iobj.type = obj->type;
398 2178c42e 2018-04-22 stsp iobj.flags = obj->flags;
399 2178c42e 2018-04-22 stsp iobj.hdrlen = obj->hdrlen;
400 2178c42e 2018-04-22 stsp iobj.size = obj->size;
401 c59b3346 2018-09-11 stsp if (iobj.flags & GOT_OBJ_FLAG_PACKED) {
402 876c234b 2018-09-10 stsp iobj.pack_offset = obj->pack_offset;
403 c59b3346 2018-09-11 stsp iobj.pack_idx = obj->pack_idx;
406 2178c42e 2018-04-22 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT, 0, 0, -1, &iobj, sizeof(iobj))
408 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT");
410 c59b3346 2018-09-11 stsp return flush_imsg(ibuf);
413 cfd633c2 2018-09-10 stsp const struct got_error *
414 33501562 2020-03-18 stsp got_privsep_send_fetch_req(struct imsgbuf *ibuf, int fd,
415 33501562 2020-03-18 stsp struct got_pathlist_head *have_refs)
417 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
418 33501562 2020-03-18 stsp struct ibuf *wbuf;
419 33501562 2020-03-18 stsp size_t len, n_have_refs = 0;
420 33501562 2020-03-18 stsp struct got_pathlist_entry *pe;
422 33501562 2020-03-18 stsp len = sizeof(struct got_imsg_fetch_symrefs);
423 33501562 2020-03-18 stsp TAILQ_FOREACH(pe, have_refs, entry) {
424 7848a0e1 2020-03-19 stsp len += sizeof(struct got_imsg_fetch_have_ref) + pe->path_len;
425 33501562 2020-03-18 stsp n_have_refs++;
427 33501562 2020-03-18 stsp if (len >= MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
429 33501562 2020-03-18 stsp return got_error(GOT_ERR_NO_SPACE);
432 33501562 2020-03-18 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_REQUEST, 0, 0, len);
433 33501562 2020-03-18 stsp if (wbuf == NULL) {
435 33501562 2020-03-18 stsp return got_error_from_errno("imsg_create FETCH_REQUEST");
438 33501562 2020-03-18 stsp /* Keep in sync with struct got_imsg_fetch_have_refs definition! */
439 33501562 2020-03-18 stsp if (imsg_add(wbuf, &n_have_refs, sizeof(n_have_refs)) == -1) {
440 33501562 2020-03-18 stsp err = got_error_from_errno("imsg_add FETCH_REQUEST");
441 33501562 2020-03-18 stsp ibuf_free(wbuf);
443 93658fb9 2020-03-18 stsp return err;
446 33501562 2020-03-18 stsp TAILQ_FOREACH(pe, have_refs, entry) {
447 33501562 2020-03-18 stsp const char *name = pe->path;
448 33501562 2020-03-18 stsp size_t name_len = pe->path_len;
449 33501562 2020-03-18 stsp struct got_object_id *id = pe->data;
451 33501562 2020-03-18 stsp /* Keep in sync with struct got_imsg_fetch_have_ref! */
452 33501562 2020-03-18 stsp if (imsg_add(wbuf, id->sha1, sizeof(id->sha1)) == -1) {
453 33501562 2020-03-18 stsp err = got_error_from_errno("imsg_add FETCH_REQUEST");
454 33501562 2020-03-18 stsp ibuf_free(wbuf);
456 33501562 2020-03-18 stsp return err;
458 33501562 2020-03-18 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1) {
459 33501562 2020-03-18 stsp err = got_error_from_errno("imsg_add FETCH_REQUEST");
460 33501562 2020-03-18 stsp ibuf_free(wbuf);
462 33501562 2020-03-18 stsp return err;
464 33501562 2020-03-18 stsp if (imsg_add(wbuf, name, name_len) == -1) {
465 33501562 2020-03-18 stsp err = got_error_from_errno("imsg_add FETCH_REQUEST");
466 33501562 2020-03-18 stsp ibuf_free(wbuf);
468 33501562 2020-03-18 stsp return err;
472 33501562 2020-03-18 stsp wbuf->fd = fd;
473 33501562 2020-03-18 stsp imsg_close(ibuf, wbuf);
474 93658fb9 2020-03-18 stsp return flush_imsg(ibuf);
477 93658fb9 2020-03-18 stsp const struct got_error *
478 f826addf 2020-03-18 stsp got_privsep_send_fetch_outfd(struct imsgbuf *ibuf, int fd)
480 f826addf 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_FETCH_OUTFD, fd);
484 f826addf 2020-03-18 stsp const struct got_error *
485 abe0f35f 2020-03-18 stsp got_privsep_send_fetch_symrefs(struct imsgbuf *ibuf,
486 abe0f35f 2020-03-18 stsp struct got_pathlist_head *symrefs)
488 abe0f35f 2020-03-18 stsp const struct got_error *err = NULL;
489 abe0f35f 2020-03-18 stsp struct ibuf *wbuf;
490 abe0f35f 2020-03-18 stsp size_t len, nsymrefs = 0;
491 abe0f35f 2020-03-18 stsp struct got_pathlist_entry *pe;
493 abe0f35f 2020-03-18 stsp len = sizeof(struct got_imsg_fetch_symrefs);
494 abe0f35f 2020-03-18 stsp TAILQ_FOREACH(pe, symrefs, entry) {
495 abe0f35f 2020-03-18 stsp const char *target = pe->data;
496 abe0f35f 2020-03-18 stsp len += sizeof(struct got_imsg_fetch_symref) +
497 abe0f35f 2020-03-18 stsp pe->path_len + strlen(target);
498 abe0f35f 2020-03-18 stsp nsymrefs++;
501 abe0f35f 2020-03-18 stsp if (len >= MAX_IMSGSIZE - IMSG_HEADER_SIZE)
502 abe0f35f 2020-03-18 stsp return got_error(GOT_ERR_NO_SPACE);
504 abe0f35f 2020-03-18 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_SYMREFS, 0, 0, len);
505 abe0f35f 2020-03-18 stsp if (wbuf == NULL)
506 abe0f35f 2020-03-18 stsp return got_error_from_errno("imsg_create FETCH_SYMREFS");
508 abe0f35f 2020-03-18 stsp /* Keep in sync with struct got_imsg_fetch_symrefs definition! */
509 abe0f35f 2020-03-18 stsp if (imsg_add(wbuf, &nsymrefs, sizeof(nsymrefs)) == -1) {
510 abe0f35f 2020-03-18 stsp err = got_error_from_errno("imsg_add FETCH_SYMREFS");
511 abe0f35f 2020-03-18 stsp ibuf_free(wbuf);
512 abe0f35f 2020-03-18 stsp return err;
515 abe0f35f 2020-03-18 stsp TAILQ_FOREACH(pe, symrefs, entry) {
516 abe0f35f 2020-03-18 stsp const char *name = pe->path;
517 abe0f35f 2020-03-18 stsp size_t name_len = pe->path_len;
518 abe0f35f 2020-03-18 stsp const char *target = pe->data;
519 abe0f35f 2020-03-18 stsp size_t target_len = strlen(target);
521 abe0f35f 2020-03-18 stsp /* Keep in sync with struct got_imsg_fetch_symref definition! */
522 abe0f35f 2020-03-18 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1) {
523 abe0f35f 2020-03-18 stsp err = got_error_from_errno("imsg_add FETCH_SYMREFS");
524 abe0f35f 2020-03-18 stsp ibuf_free(wbuf);
525 abe0f35f 2020-03-18 stsp return err;
527 abe0f35f 2020-03-18 stsp if (imsg_add(wbuf, &target_len, sizeof(target_len)) == -1) {
528 abe0f35f 2020-03-18 stsp err = got_error_from_errno("imsg_add FETCH_SYMREFS");
529 abe0f35f 2020-03-18 stsp ibuf_free(wbuf);
530 abe0f35f 2020-03-18 stsp return err;
532 abe0f35f 2020-03-18 stsp if (imsg_add(wbuf, name, name_len) == -1) {
533 abe0f35f 2020-03-18 stsp err = got_error_from_errno("imsg_add FETCH_SYMREFS");
534 abe0f35f 2020-03-18 stsp ibuf_free(wbuf);
535 abe0f35f 2020-03-18 stsp return err;
537 abe0f35f 2020-03-18 stsp if (imsg_add(wbuf, target, target_len) == -1) {
538 abe0f35f 2020-03-18 stsp err = got_error_from_errno("imsg_add FETCH_SYMREFS");
539 abe0f35f 2020-03-18 stsp ibuf_free(wbuf);
540 abe0f35f 2020-03-18 stsp return err;
544 abe0f35f 2020-03-18 stsp wbuf->fd = -1;
545 abe0f35f 2020-03-18 stsp imsg_close(ibuf, wbuf);
546 abe0f35f 2020-03-18 stsp return flush_imsg(ibuf);
549 abe0f35f 2020-03-18 stsp const struct got_error *
550 ea7396b9 2020-03-18 stsp got_privsep_send_fetch_ref(struct imsgbuf *ibuf,
551 b9f99abf 2020-03-18 stsp struct got_object_id *refid, const char *refname)
553 b9f99abf 2020-03-18 stsp const struct got_error *err = NULL;
554 b9f99abf 2020-03-18 stsp struct ibuf *wbuf;
555 b9f99abf 2020-03-18 stsp size_t len, reflen = strlen(refname);
557 ea7396b9 2020-03-18 stsp len = sizeof(struct got_imsg_fetch_ref) + reflen;
558 b9f99abf 2020-03-18 stsp if (len >= MAX_IMSGSIZE - IMSG_HEADER_SIZE)
559 b9f99abf 2020-03-18 stsp return got_error(GOT_ERR_NO_SPACE);
561 ea7396b9 2020-03-18 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_REF, 0, 0, len);
562 b9f99abf 2020-03-18 stsp if (wbuf == NULL)
563 ea7396b9 2020-03-18 stsp return got_error_from_errno("imsg_create FETCH_REF");
565 ea7396b9 2020-03-18 stsp /* Keep in sync with struct got_imsg_fetch_ref definition! */
566 b9f99abf 2020-03-18 stsp if (imsg_add(wbuf, refid->sha1, SHA1_DIGEST_LENGTH) == -1) {
567 ea7396b9 2020-03-18 stsp err = got_error_from_errno("imsg_add FETCH_REF");
568 b9f99abf 2020-03-18 stsp ibuf_free(wbuf);
569 b9f99abf 2020-03-18 stsp return err;
571 b9f99abf 2020-03-18 stsp if (imsg_add(wbuf, refname, reflen) == -1) {
572 ea7396b9 2020-03-18 stsp err = got_error_from_errno("imsg_add FETCH_REF");
573 b9f99abf 2020-03-18 stsp ibuf_free(wbuf);
574 b9f99abf 2020-03-18 stsp return err;
577 b9f99abf 2020-03-18 stsp wbuf->fd = -1;
578 b9f99abf 2020-03-18 stsp imsg_close(ibuf, wbuf);
579 531c3985 2020-03-18 stsp return flush_imsg(ibuf);
582 531c3985 2020-03-18 stsp const struct got_error *
583 531c3985 2020-03-18 stsp got_privsep_send_fetch_server_progress(struct imsgbuf *ibuf, const char *msg,
584 531c3985 2020-03-18 stsp size_t msglen)
586 531c3985 2020-03-18 stsp if (msglen > MAX_IMSGSIZE - IMSG_HEADER_SIZE)
587 531c3985 2020-03-18 stsp return got_error(GOT_ERR_NO_SPACE);
589 531c3985 2020-03-18 stsp if (msglen == 0)
590 531c3985 2020-03-18 stsp return NULL;
592 531c3985 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_FETCH_SERVER_PROGRESS, 0, 0, -1,
593 531c3985 2020-03-18 stsp msg, msglen) == -1)
594 531c3985 2020-03-18 stsp return got_error_from_errno(
595 531c3985 2020-03-18 stsp "imsg_compose FETCH_SERVER_PROGRESS");
597 d2cdc636 2020-03-18 stsp return flush_imsg(ibuf);
600 d2cdc636 2020-03-18 stsp const struct got_error *
601 d2cdc636 2020-03-18 stsp got_privsep_send_fetch_download_progress(struct imsgbuf *ibuf, off_t bytes)
603 d2cdc636 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_FETCH_DOWNLOAD_PROGRESS, 0, 0, -1,
604 d2cdc636 2020-03-18 stsp &bytes, sizeof(bytes)) == -1)
605 d2cdc636 2020-03-18 stsp return got_error_from_errno(
606 d2cdc636 2020-03-18 stsp "imsg_compose FETCH_DOWNLOAD_PROGRESS");
608 b9f99abf 2020-03-18 stsp return flush_imsg(ibuf);
611 b9f99abf 2020-03-18 stsp const struct got_error *
612 93658fb9 2020-03-18 stsp got_privsep_send_fetch_done(struct imsgbuf *ibuf, struct got_object_id hash)
614 93658fb9 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_FETCH_DONE, 0, 0, -1,
615 93658fb9 2020-03-18 stsp hash.sha1, SHA1_DIGEST_LENGTH) == -1)
616 93658fb9 2020-03-18 stsp return got_error_from_errno("imsg_compose FETCH");
617 93658fb9 2020-03-18 stsp return flush_imsg(ibuf);
621 93658fb9 2020-03-18 stsp const struct got_error *
622 8f2d01a6 2020-03-18 stsp got_privsep_recv_fetch_progress(int *done, struct got_object_id **id,
623 531c3985 2020-03-18 stsp char **refname, struct got_pathlist_head *symrefs, char **server_progress,
624 d2cdc636 2020-03-18 stsp off_t *packfile_size, struct imsgbuf *ibuf)
626 b9f99abf 2020-03-18 stsp const struct got_error *err = NULL;
627 b9f99abf 2020-03-18 stsp struct imsg imsg;
628 b9f99abf 2020-03-18 stsp size_t datalen;
629 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symrefs *isymrefs = NULL;
630 abe0f35f 2020-03-18 stsp size_t n, remain;
635 8f2d01a6 2020-03-18 stsp *id = NULL;
636 b9f99abf 2020-03-18 stsp *refname = NULL;
637 531c3985 2020-03-18 stsp *server_progress = NULL;
638 5a489642 2020-03-19 stsp *packfile_size = 0;
640 531c3985 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
642 b9f99abf 2020-03-18 stsp return err;
644 b9f99abf 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
645 b9f99abf 2020-03-18 stsp switch (imsg.hdr.type) {
646 b9f99abf 2020-03-18 stsp case GOT_IMSG_ERROR:
647 531c3985 2020-03-18 stsp if (datalen < sizeof(struct got_imsg_error)) {
648 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
651 b9f99abf 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
653 abe0f35f 2020-03-18 stsp case GOT_IMSG_FETCH_SYMREFS:
654 abe0f35f 2020-03-18 stsp if (datalen < sizeof(*isymrefs)) {
655 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
658 abe0f35f 2020-03-18 stsp if (isymrefs != NULL) {
659 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
662 abe0f35f 2020-03-18 stsp isymrefs = (struct got_imsg_fetch_symrefs *)imsg.data;
663 abe0f35f 2020-03-18 stsp off = sizeof(*isymrefs);
664 abe0f35f 2020-03-18 stsp remain = datalen - off;
665 abe0f35f 2020-03-18 stsp for (n = 0; n < isymrefs->nsymrefs; n++) {
666 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symref *s;
667 abe0f35f 2020-03-18 stsp char *name, *target;
668 abe0f35f 2020-03-18 stsp if (remain < sizeof(struct got_imsg_fetch_symref)) {
669 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
672 abe0f35f 2020-03-18 stsp s = (struct got_imsg_fetch_symref *)(imsg.data + off);
673 abe0f35f 2020-03-18 stsp off += sizeof(*s);
674 abe0f35f 2020-03-18 stsp remain -= sizeof(*s);
675 abe0f35f 2020-03-18 stsp if (remain < s->name_len) {
676 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
679 abe0f35f 2020-03-18 stsp name = strndup(imsg.data + off, s->name_len);
680 abe0f35f 2020-03-18 stsp if (name == NULL) {
681 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
684 abe0f35f 2020-03-18 stsp off += s->name_len;
685 abe0f35f 2020-03-18 stsp remain -= s->name_len;
686 abe0f35f 2020-03-18 stsp if (remain < s->target_len) {
687 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
688 abe0f35f 2020-03-18 stsp free(name);
691 abe0f35f 2020-03-18 stsp target = strndup(imsg.data + off, s->target_len);
692 abe0f35f 2020-03-18 stsp if (target == NULL) {
693 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
694 abe0f35f 2020-03-18 stsp free(name);
697 abe0f35f 2020-03-18 stsp off += s->target_len;
698 abe0f35f 2020-03-18 stsp remain -= s->target_len;
699 abe0f35f 2020-03-18 stsp err = got_pathlist_append(symrefs, name, target);
701 abe0f35f 2020-03-18 stsp free(name);
702 abe0f35f 2020-03-18 stsp free(target);
707 ea7396b9 2020-03-18 stsp case GOT_IMSG_FETCH_REF:
708 531c3985 2020-03-18 stsp if (datalen <= SHA1_DIGEST_LENGTH) {
709 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
712 8f2d01a6 2020-03-18 stsp *id = malloc(sizeof(**id));
713 8f2d01a6 2020-03-18 stsp if (*id == NULL) {
714 b9f99abf 2020-03-18 stsp err = got_error_from_errno("malloc");
717 8f2d01a6 2020-03-18 stsp memcpy((*id)->sha1, imsg.data, SHA1_DIGEST_LENGTH);
718 b9f99abf 2020-03-18 stsp *refname = strndup(imsg.data + SHA1_DIGEST_LENGTH,
719 b9f99abf 2020-03-18 stsp datalen - SHA1_DIGEST_LENGTH);
720 b9f99abf 2020-03-18 stsp if (*refname == NULL) {
721 b9f99abf 2020-03-18 stsp err = got_error_from_errno("strndup");
725 531c3985 2020-03-18 stsp case GOT_IMSG_FETCH_SERVER_PROGRESS:
726 531c3985 2020-03-18 stsp if (datalen == 0) {
727 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
730 531c3985 2020-03-18 stsp *server_progress = strndup(imsg.data, datalen);
731 531c3985 2020-03-18 stsp if (*server_progress == NULL) {
732 531c3985 2020-03-18 stsp err = got_error_from_errno("strndup");
735 531c3985 2020-03-18 stsp for (i = 0; i < datalen; i++) {
736 531c3985 2020-03-18 stsp if (!isprint((unsigned char)(*server_progress)[i]) &&
737 531c3985 2020-03-18 stsp !isspace((unsigned char)(*server_progress)[i])) {
738 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
739 531c3985 2020-03-18 stsp free(*server_progress);
740 531c3985 2020-03-18 stsp *server_progress = NULL;
745 d2cdc636 2020-03-18 stsp case GOT_IMSG_FETCH_DOWNLOAD_PROGRESS:
746 d2cdc636 2020-03-18 stsp if (datalen < sizeof(*packfile_size)) {
747 d2cdc636 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
750 d2cdc636 2020-03-18 stsp memcpy(packfile_size, imsg.data, sizeof(*packfile_size));
752 8f2d01a6 2020-03-18 stsp case GOT_IMSG_FETCH_DONE:
753 8f2d01a6 2020-03-18 stsp *id = malloc(sizeof(**id));
754 8f2d01a6 2020-03-18 stsp if (*id == NULL) {
755 8f2d01a6 2020-03-18 stsp err = got_error_from_errno("malloc");
758 8f2d01a6 2020-03-18 stsp if (datalen != SHA1_DIGEST_LENGTH) {
759 8f2d01a6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
762 8f2d01a6 2020-03-18 stsp memcpy((*id)->sha1, imsg.data, SHA1_DIGEST_LENGTH);
766 b887aab6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
772 8f2d01a6 2020-03-18 stsp *id = NULL;
773 b887aab6 2020-03-18 stsp free(*refname);
774 b887aab6 2020-03-18 stsp *refname = NULL;
776 b9f99abf 2020-03-18 stsp imsg_free(&imsg);
777 b9f99abf 2020-03-18 stsp return err;
780 93658fb9 2020-03-18 stsp const struct got_error *
781 668a20f6 2020-03-18 stsp got_privsep_send_index_pack_req(struct imsgbuf *ibuf, uint8_t *pack_hash,
784 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
786 668a20f6 2020-03-18 stsp /* Keep in sync with struct got_imsg_index_pack_request */
787 93658fb9 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_IDXPACK_REQUEST, 0, 0, fd,
788 668a20f6 2020-03-18 stsp pack_hash, SHA1_DIGEST_LENGTH) == -1) {
789 93658fb9 2020-03-18 stsp err = got_error_from_errno("imsg_compose INDEX_REQUEST");
791 93658fb9 2020-03-18 stsp return err;
793 baa9fea0 2020-03-18 stsp return flush_imsg(ibuf);
796 baa9fea0 2020-03-18 stsp const struct got_error *
797 73ab1060 2020-03-18 stsp got_privsep_send_index_pack_outfd(struct imsgbuf *ibuf, int fd)
799 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_IDXPACK_OUTFD, fd);
802 73ab1060 2020-03-18 stsp const struct got_error *
803 668a20f6 2020-03-18 stsp got_privsep_send_index_pack_progress(struct imsgbuf *ibuf, int nobj_total,
804 668a20f6 2020-03-18 stsp int nobj_indexed, int nobj_loose, int nobj_resolved)
806 baa9fea0 2020-03-18 stsp struct got_imsg_index_pack_progress iprogress;
808 668a20f6 2020-03-18 stsp iprogress.nobj_total = nobj_total;
809 668a20f6 2020-03-18 stsp iprogress.nobj_indexed = nobj_indexed;
810 668a20f6 2020-03-18 stsp iprogress.nobj_loose = nobj_loose;
811 668a20f6 2020-03-18 stsp iprogress.nobj_resolved = nobj_resolved;
813 baa9fea0 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_IDXPACK_PROGRESS, 0, 0, -1,
814 baa9fea0 2020-03-18 stsp &iprogress, sizeof(iprogress)) == -1)
815 baa9fea0 2020-03-18 stsp return got_error_from_errno("imsg_compose IDXPACK_PROGRESS");
817 93658fb9 2020-03-18 stsp return flush_imsg(ibuf);
820 93658fb9 2020-03-18 stsp const struct got_error *
821 93658fb9 2020-03-18 stsp got_privsep_send_index_pack_done(struct imsgbuf *ibuf)
823 93658fb9 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_IDXPACK_DONE, 0, 0, -1, NULL, 0) == -1)
824 93658fb9 2020-03-18 stsp return got_error_from_errno("imsg_compose FETCH");
825 93658fb9 2020-03-18 stsp return flush_imsg(ibuf);
828 93658fb9 2020-03-18 stsp const struct got_error *
829 668a20f6 2020-03-18 stsp got_privsep_recv_index_progress(int *done, int *nobj_total,
830 668a20f6 2020-03-18 stsp int *nobj_indexed, int *nobj_loose, int *nobj_resolved,
831 668a20f6 2020-03-18 stsp struct imsgbuf *ibuf)
833 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
834 93658fb9 2020-03-18 stsp struct imsg imsg;
835 baa9fea0 2020-03-18 stsp struct got_imsg_index_pack_progress *iprogress;
836 baa9fea0 2020-03-18 stsp size_t datalen;
839 668a20f6 2020-03-18 stsp *nobj_total = 0;
840 668a20f6 2020-03-18 stsp *nobj_indexed = 0;
841 668a20f6 2020-03-18 stsp *nobj_resolved = 0;
843 93658fb9 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
845 93658fb9 2020-03-18 stsp return err;
847 baa9fea0 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
848 baa9fea0 2020-03-18 stsp switch (imsg.hdr.type) {
849 baa9fea0 2020-03-18 stsp case GOT_IMSG_ERROR:
850 baa9fea0 2020-03-18 stsp if (datalen < sizeof(struct got_imsg_error)) {
851 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
854 baa9fea0 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
856 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_PROGRESS:
857 baa9fea0 2020-03-18 stsp if (datalen < sizeof(*iprogress)) {
858 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
861 baa9fea0 2020-03-18 stsp iprogress = (struct got_imsg_index_pack_progress *)imsg.data;
862 668a20f6 2020-03-18 stsp *nobj_total = iprogress->nobj_total;
863 668a20f6 2020-03-18 stsp *nobj_indexed = iprogress->nobj_indexed;
864 668a20f6 2020-03-18 stsp *nobj_loose = iprogress->nobj_loose;
865 668a20f6 2020-03-18 stsp *nobj_resolved = iprogress->nobj_resolved;
867 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_DONE:
868 baa9fea0 2020-03-18 stsp if (datalen != 0) {
869 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
875 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
879 93658fb9 2020-03-18 stsp imsg_free(&imsg);
880 baa9fea0 2020-03-18 stsp return err;
883 93658fb9 2020-03-18 stsp const struct got_error *
884 cfd633c2 2018-09-10 stsp got_privsep_get_imsg_obj(struct got_object **obj, struct imsg *imsg,
885 cfd633c2 2018-09-10 stsp struct imsgbuf *ibuf)
887 cfd633c2 2018-09-10 stsp const struct got_error *err = NULL;
888 291624d8 2018-11-07 stsp struct got_imsg_object *iobj;
889 cfd633c2 2018-09-10 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
891 291624d8 2018-11-07 stsp if (datalen != sizeof(*iobj))
892 cfd633c2 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
893 291624d8 2018-11-07 stsp iobj = imsg->data;
895 cfd633c2 2018-09-10 stsp *obj = calloc(1, sizeof(**obj));
896 cfd633c2 2018-09-10 stsp if (*obj == NULL)
897 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
899 291624d8 2018-11-07 stsp memcpy((*obj)->id.sha1, iobj->id, SHA1_DIGEST_LENGTH);
900 291624d8 2018-11-07 stsp (*obj)->type = iobj->type;
901 291624d8 2018-11-07 stsp (*obj)->flags = iobj->flags;
902 291624d8 2018-11-07 stsp (*obj)->hdrlen = iobj->hdrlen;
903 291624d8 2018-11-07 stsp (*obj)->size = iobj->size;
904 c59b3346 2018-09-11 stsp /* path_packfile is handled by caller */
905 291624d8 2018-11-07 stsp if (iobj->flags & GOT_OBJ_FLAG_PACKED) {
906 291624d8 2018-11-07 stsp (*obj)->pack_offset = iobj->pack_offset;
907 291624d8 2018-11-07 stsp (*obj)->pack_idx = iobj->pack_idx;
910 876c234b 2018-09-10 stsp return err;
913 2178c42e 2018-04-22 stsp const struct got_error *
914 2178c42e 2018-04-22 stsp got_privsep_recv_obj(struct got_object **obj, struct imsgbuf *ibuf)
916 2178c42e 2018-04-22 stsp const struct got_error *err = NULL;
917 2178c42e 2018-04-22 stsp struct imsg imsg;
918 c4eae628 2018-04-23 stsp const size_t min_datalen =
919 c4eae628 2018-04-23 stsp MIN(sizeof(struct got_imsg_error), sizeof(struct got_imsg_object));
921 2178c42e 2018-04-22 stsp *obj = NULL;
923 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
925 2178c42e 2018-04-22 stsp return err;
927 2178c42e 2018-04-22 stsp switch (imsg.hdr.type) {
928 2178c42e 2018-04-22 stsp case GOT_IMSG_OBJECT:
929 cfd633c2 2018-09-10 stsp err = got_privsep_get_imsg_obj(obj, &imsg, ibuf);
932 bff6ca00 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
936 bff6ca00 2018-04-23 stsp imsg_free(&imsg);
938 bff6ca00 2018-04-23 stsp return err;
941 c75f7264 2018-09-11 stsp static const struct got_error *
942 c75f7264 2018-09-11 stsp send_commit_logmsg(struct imsgbuf *ibuf, struct got_commit_object *commit,
943 c75f7264 2018-09-11 stsp size_t logmsg_len)
945 fa4ffeb3 2018-11-04 stsp const struct got_error *err = NULL;
946 c75f7264 2018-09-11 stsp size_t offset, remain;
948 c75f7264 2018-09-11 stsp offset = 0;
949 c75f7264 2018-09-11 stsp remain = logmsg_len;
950 c75f7264 2018-09-11 stsp while (remain > 0) {
951 c75f7264 2018-09-11 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
953 c75f7264 2018-09-11 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_LOGMSG, 0, 0, -1,
954 fa4ffeb3 2018-11-04 stsp commit->logmsg + offset, n) == -1) {
955 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose "
956 230a42bd 2019-05-11 jcs "COMMIT_LOGMSG");
960 fa4ffeb3 2018-11-04 stsp err = flush_imsg(ibuf);
964 c75f7264 2018-09-11 stsp offset += n;
965 c75f7264 2018-09-11 stsp remain -= n;
968 fa4ffeb3 2018-11-04 stsp return err;
971 bff6ca00 2018-04-23 stsp const struct got_error *
972 068fd2bf 2018-04-24 stsp got_privsep_send_commit(struct imsgbuf *ibuf, struct got_commit_object *commit)
974 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
975 b9c33926 2018-11-07 stsp struct got_imsg_commit_object *icommit;
976 bff6ca00 2018-04-23 stsp uint8_t *buf;
977 bff6ca00 2018-04-23 stsp size_t len, total;
978 79f35eb3 2018-06-11 stsp struct got_object_qid *qid;
979 b9c33926 2018-11-07 stsp size_t author_len = strlen(commit->author);
980 b9c33926 2018-11-07 stsp size_t committer_len = strlen(commit->committer);
981 c75f7264 2018-09-11 stsp size_t logmsg_len = strlen(commit->logmsg);
983 b9c33926 2018-11-07 stsp total = sizeof(*icommit) + author_len + committer_len +
984 b9c33926 2018-11-07 stsp commit->nparents * SHA1_DIGEST_LENGTH;
986 bff6ca00 2018-04-23 stsp buf = malloc(total);
987 bff6ca00 2018-04-23 stsp if (buf == NULL)
988 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
990 b9c33926 2018-11-07 stsp icommit = (struct got_imsg_commit_object *)buf;
991 a7403916 2018-12-24 stsp memcpy(icommit->tree_id, commit->tree_id->sha1,
992 a7403916 2018-12-24 stsp sizeof(icommit->tree_id));
993 b9c33926 2018-11-07 stsp icommit->author_len = author_len;
994 b9c33926 2018-11-07 stsp icommit->author_time = commit->author_time;
995 b9c33926 2018-11-07 stsp icommit->author_gmtoff = commit->author_gmtoff;
996 b9c33926 2018-11-07 stsp icommit->committer_len = committer_len;
997 b9c33926 2018-11-07 stsp icommit->committer_time = commit->committer_time;
998 b9c33926 2018-11-07 stsp icommit->committer_gmtoff = commit->committer_gmtoff;
999 b9c33926 2018-11-07 stsp icommit->logmsg_len = logmsg_len;
1000 b9c33926 2018-11-07 stsp icommit->nparents = commit->nparents;
1002 b9c33926 2018-11-07 stsp len = sizeof(*icommit);
1003 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->author, author_len);
1004 b9c33926 2018-11-07 stsp len += author_len;
1005 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->committer, committer_len);
1006 b9c33926 2018-11-07 stsp len += committer_len;
1007 79f35eb3 2018-06-11 stsp SIMPLEQ_FOREACH(qid, &commit->parent_ids, entry) {
1008 79f35eb3 2018-06-11 stsp memcpy(buf + len, qid->id, SHA1_DIGEST_LENGTH);
1009 86acc566 2018-04-23 stsp len += SHA1_DIGEST_LENGTH;
1012 bff6ca00 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT, 0, 0, -1, buf, len) == -1) {
1013 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT");
1014 bff6ca00 2018-04-23 stsp goto done;
1017 904df868 2018-11-04 stsp if (logmsg_len == 0 ||
1018 904df868 2018-11-04 stsp logmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1019 904df868 2018-11-04 stsp err = flush_imsg(ibuf);
1021 904df868 2018-11-04 stsp goto done;
1023 c75f7264 2018-09-11 stsp err = send_commit_logmsg(ibuf, commit, logmsg_len);
1025 bff6ca00 2018-04-23 stsp free(buf);
1026 bff6ca00 2018-04-23 stsp return err;
1029 ca6e02ac 2020-01-07 stsp static const struct got_error *
1030 ca6e02ac 2020-01-07 stsp get_commit_from_imsg(struct got_commit_object **commit,
1031 ca6e02ac 2020-01-07 stsp struct imsg *imsg, size_t datalen, struct imsgbuf *ibuf)
1033 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1034 291624d8 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1035 ca6e02ac 2020-01-07 stsp size_t len = 0;
1038 ca6e02ac 2020-01-07 stsp if (datalen < sizeof(*icommit))
1039 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1041 ca6e02ac 2020-01-07 stsp icommit = imsg->data;
1042 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommit) + icommit->author_len +
1043 ca6e02ac 2020-01-07 stsp icommit->committer_len +
1044 ca6e02ac 2020-01-07 stsp icommit->nparents * SHA1_DIGEST_LENGTH)
1045 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1047 ca6e02ac 2020-01-07 stsp if (icommit->nparents < 0)
1048 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1050 ca6e02ac 2020-01-07 stsp len += sizeof(*icommit);
1052 ca6e02ac 2020-01-07 stsp *commit = got_object_commit_alloc_partial();
1053 ca6e02ac 2020-01-07 stsp if (*commit == NULL)
1054 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
1055 ca6e02ac 2020-01-07 stsp "got_object_commit_alloc_partial");
1057 ca6e02ac 2020-01-07 stsp memcpy((*commit)->tree_id->sha1, icommit->tree_id,
1058 ca6e02ac 2020-01-07 stsp SHA1_DIGEST_LENGTH);
1059 ca6e02ac 2020-01-07 stsp (*commit)->author_time = icommit->author_time;
1060 ca6e02ac 2020-01-07 stsp (*commit)->author_gmtoff = icommit->author_gmtoff;
1061 ca6e02ac 2020-01-07 stsp (*commit)->committer_time = icommit->committer_time;
1062 ca6e02ac 2020-01-07 stsp (*commit)->committer_gmtoff = icommit->committer_gmtoff;
1064 ca6e02ac 2020-01-07 stsp if (icommit->author_len == 0) {
1065 ca6e02ac 2020-01-07 stsp (*commit)->author = strdup("");
1066 ca6e02ac 2020-01-07 stsp if ((*commit)->author == NULL) {
1067 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1068 ca6e02ac 2020-01-07 stsp goto done;
1071 ca6e02ac 2020-01-07 stsp (*commit)->author = malloc(icommit->author_len + 1);
1072 ca6e02ac 2020-01-07 stsp if ((*commit)->author == NULL) {
1073 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1074 ca6e02ac 2020-01-07 stsp goto done;
1076 ca6e02ac 2020-01-07 stsp memcpy((*commit)->author, imsg->data + len,
1077 ca6e02ac 2020-01-07 stsp icommit->author_len);
1078 ca6e02ac 2020-01-07 stsp (*commit)->author[icommit->author_len] = '\0';
1080 ca6e02ac 2020-01-07 stsp len += icommit->author_len;
1082 ca6e02ac 2020-01-07 stsp if (icommit->committer_len == 0) {
1083 ca6e02ac 2020-01-07 stsp (*commit)->committer = strdup("");
1084 ca6e02ac 2020-01-07 stsp if ((*commit)->committer == NULL) {
1085 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1086 ca6e02ac 2020-01-07 stsp goto done;
1089 ca6e02ac 2020-01-07 stsp (*commit)->committer =
1090 ca6e02ac 2020-01-07 stsp malloc(icommit->committer_len + 1);
1091 ca6e02ac 2020-01-07 stsp if ((*commit)->committer == NULL) {
1092 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1093 ca6e02ac 2020-01-07 stsp goto done;
1095 ca6e02ac 2020-01-07 stsp memcpy((*commit)->committer, imsg->data + len,
1096 ca6e02ac 2020-01-07 stsp icommit->committer_len);
1097 ca6e02ac 2020-01-07 stsp (*commit)->committer[icommit->committer_len] = '\0';
1099 ca6e02ac 2020-01-07 stsp len += icommit->committer_len;
1101 ca6e02ac 2020-01-07 stsp if (icommit->logmsg_len == 0) {
1102 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = strdup("");
1103 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1104 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1105 ca6e02ac 2020-01-07 stsp goto done;
1108 ca6e02ac 2020-01-07 stsp size_t offset = 0, remain = icommit->logmsg_len;
1110 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = malloc(icommit->logmsg_len + 1);
1111 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1112 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1113 ca6e02ac 2020-01-07 stsp goto done;
1115 ca6e02ac 2020-01-07 stsp while (remain > 0) {
1116 ca6e02ac 2020-01-07 stsp struct imsg imsg_log;
1117 ca6e02ac 2020-01-07 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1120 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1122 ca6e02ac 2020-01-07 stsp goto done;
1124 ca6e02ac 2020-01-07 stsp if (imsg_log.hdr.type != GOT_IMSG_COMMIT_LOGMSG) {
1125 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1126 ca6e02ac 2020-01-07 stsp goto done;
1129 ca6e02ac 2020-01-07 stsp memcpy((*commit)->logmsg + offset,
1130 ca6e02ac 2020-01-07 stsp imsg_log.data, n);
1131 ca6e02ac 2020-01-07 stsp imsg_free(&imsg_log);
1132 ca6e02ac 2020-01-07 stsp offset += n;
1133 ca6e02ac 2020-01-07 stsp remain -= n;
1135 ca6e02ac 2020-01-07 stsp (*commit)->logmsg[icommit->logmsg_len] = '\0';
1138 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommit->nparents; i++) {
1139 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
1141 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
1144 ca6e02ac 2020-01-07 stsp memcpy(qid->id, imsg->data + len +
1145 ca6e02ac 2020-01-07 stsp i * SHA1_DIGEST_LENGTH, sizeof(*qid->id));
1146 ca6e02ac 2020-01-07 stsp SIMPLEQ_INSERT_TAIL(&(*commit)->parent_ids, qid, entry);
1147 ca6e02ac 2020-01-07 stsp (*commit)->nparents++;
1150 ca6e02ac 2020-01-07 stsp if (err) {
1151 ca6e02ac 2020-01-07 stsp got_object_commit_close(*commit);
1152 ca6e02ac 2020-01-07 stsp *commit = NULL;
1154 ca6e02ac 2020-01-07 stsp return err;
1157 ca6e02ac 2020-01-07 stsp const struct got_error *
1158 ca6e02ac 2020-01-07 stsp got_privsep_recv_commit(struct got_commit_object **commit, struct imsgbuf *ibuf)
1160 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
1161 ca6e02ac 2020-01-07 stsp struct imsg imsg;
1162 ca6e02ac 2020-01-07 stsp size_t datalen;
1163 ca6e02ac 2020-01-07 stsp const size_t min_datalen =
1164 ca6e02ac 2020-01-07 stsp MIN(sizeof(struct got_imsg_error),
1165 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_object));
1167 ca6e02ac 2020-01-07 stsp *commit = NULL;
1169 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1171 ca6e02ac 2020-01-07 stsp return err;
1173 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1175 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
1176 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
1177 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(commit, &imsg, datalen, ibuf);
1180 8c580685 2018-04-22 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1184 2178c42e 2018-04-22 stsp imsg_free(&imsg);
1186 e033d803 2018-04-23 stsp return err;
1189 e033d803 2018-04-23 stsp const struct got_error *
1190 3022d272 2019-11-14 stsp got_privsep_send_tree(struct imsgbuf *ibuf, struct got_pathlist_head *entries,
1191 3022d272 2019-11-14 stsp int nentries)
1193 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
1194 e033d803 2018-04-23 stsp struct got_imsg_tree_object itree;
1195 3022d272 2019-11-14 stsp struct got_pathlist_entry *pe;
1196 b00c9821 2018-11-04 stsp size_t totlen;
1197 6eb07a17 2018-11-04 stsp int nimsg; /* number of imsg queued in ibuf */
1199 3022d272 2019-11-14 stsp itree.nentries = nentries;
1200 e033d803 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_TREE, 0, 0, -1, &itree, sizeof(itree))
1202 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose TREE");
1204 b00c9821 2018-11-04 stsp totlen = sizeof(itree);
1205 6eb07a17 2018-11-04 stsp nimsg = 1;
1206 3022d272 2019-11-14 stsp TAILQ_FOREACH(pe, entries, entry) {
1207 3022d272 2019-11-14 stsp const char *name = pe->path;
1208 3022d272 2019-11-14 stsp struct got_parsed_tree_entry *pte = pe->data;
1209 3022d272 2019-11-14 stsp struct ibuf *wbuf;
1210 3022d272 2019-11-14 stsp size_t namelen = strlen(name);
1211 cd9e913a 2019-11-27 stsp size_t len = sizeof(struct got_imsg_tree_entry) + namelen;
1213 e033d803 2018-04-23 stsp if (len > MAX_IMSGSIZE)
1214 e033d803 2018-04-23 stsp return got_error(GOT_ERR_NO_SPACE);
1217 6eb07a17 2018-11-04 stsp if (totlen + len >= MAX_IMSGSIZE - (IMSG_HEADER_SIZE * nimsg)) {
1218 b00c9821 2018-11-04 stsp err = flush_imsg(ibuf);
1220 b00c9821 2018-11-04 stsp return err;
1221 6eb07a17 2018-11-04 stsp nimsg = 0;
1224 3022d272 2019-11-14 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_ENTRY, 0, 0, len);
1225 3022d272 2019-11-14 stsp if (wbuf == NULL)
1226 3022d272 2019-11-14 stsp return got_error_from_errno("imsg_create TREE_ENTRY");
1228 3022d272 2019-11-14 stsp /* Keep in sync with struct got_imsg_tree_object definition! */
1229 3b647085 2019-11-23 stsp if (imsg_add(wbuf, pte->id, SHA1_DIGEST_LENGTH) == -1) {
1230 3022d272 2019-11-14 stsp err = got_error_from_errno("imsg_add TREE_ENTRY");
1231 3b647085 2019-11-23 stsp ibuf_free(wbuf);
1232 e033d803 2018-04-23 stsp return err;
1234 3b647085 2019-11-23 stsp if (imsg_add(wbuf, &pte->mode, sizeof(pte->mode)) == -1) {
1235 3022d272 2019-11-14 stsp err = got_error_from_errno("imsg_add TREE_ENTRY");
1236 3b647085 2019-11-23 stsp ibuf_free(wbuf);
1237 3022d272 2019-11-14 stsp return err;
1240 3b647085 2019-11-23 stsp if (imsg_add(wbuf, name, namelen) == -1) {
1241 3022d272 2019-11-14 stsp err = got_error_from_errno("imsg_add TREE_ENTRY");
1242 3b647085 2019-11-23 stsp ibuf_free(wbuf);
1243 3022d272 2019-11-14 stsp return err;
1246 3022d272 2019-11-14 stsp wbuf->fd = -1;
1247 3022d272 2019-11-14 stsp imsg_close(ibuf, wbuf);
1249 b00c9821 2018-11-04 stsp totlen += len;
1252 b00c9821 2018-11-04 stsp return flush_imsg(ibuf);
1255 e033d803 2018-04-23 stsp const struct got_error *
1256 068fd2bf 2018-04-24 stsp got_privsep_recv_tree(struct got_tree_object **tree, struct imsgbuf *ibuf)
1258 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
1259 e033d803 2018-04-23 stsp const size_t min_datalen =
1260 e033d803 2018-04-23 stsp MIN(sizeof(struct got_imsg_error),
1261 e033d803 2018-04-23 stsp sizeof(struct got_imsg_tree_object));
1262 291624d8 2018-11-07 stsp struct got_imsg_tree_object *itree;
1263 e033d803 2018-04-23 stsp int nentries = 0;
1265 e033d803 2018-04-23 stsp *tree = NULL;
1267 e033d803 2018-04-23 stsp err = read_imsg(ibuf);
1269 1e51f5b9 2018-04-23 stsp goto done;
1272 e033d803 2018-04-23 stsp struct imsg imsg;
1274 e033d803 2018-04-23 stsp size_t datalen;
1275 c0588d8d 2018-11-07 stsp struct got_imsg_tree_entry *ite;
1276 e033d803 2018-04-23 stsp struct got_tree_entry *te = NULL;
1278 e033d803 2018-04-23 stsp n = imsg_get(ibuf, &imsg);
1279 e033d803 2018-04-23 stsp if (n == 0) {
1280 56e0773d 2019-11-28 stsp if (*tree && (*tree)->nentries != nentries)
1281 e033d803 2018-04-23 stsp goto get_more;
1285 e033d803 2018-04-23 stsp if (imsg.hdr.len < IMSG_HEADER_SIZE + min_datalen)
1286 e033d803 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1288 e033d803 2018-04-23 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1290 e033d803 2018-04-23 stsp switch (imsg.hdr.type) {
1291 e033d803 2018-04-23 stsp case GOT_IMSG_ERROR:
1292 e033d803 2018-04-23 stsp err = recv_imsg_error(&imsg, datalen);
1294 e033d803 2018-04-23 stsp case GOT_IMSG_TREE:
1295 e033d803 2018-04-23 stsp /* This message should only appear once. */
1296 e033d803 2018-04-23 stsp if (*tree != NULL) {
1297 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1300 291624d8 2018-11-07 stsp if (datalen != sizeof(*itree)) {
1301 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1304 291624d8 2018-11-07 stsp itree = imsg.data;
1305 c3b78ecc 2018-11-07 stsp *tree = malloc(sizeof(**tree));
1306 e033d803 2018-04-23 stsp if (*tree == NULL) {
1307 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1310 56e0773d 2019-11-28 stsp (*tree)->entries = calloc(itree->nentries,
1311 56e0773d 2019-11-28 stsp sizeof(struct got_tree_entry));
1312 56e0773d 2019-11-28 stsp if ((*tree)->entries == NULL) {
1313 56e0773d 2019-11-28 stsp err = got_error_from_errno("malloc");
1316 56e0773d 2019-11-28 stsp (*tree)->nentries = itree->nentries;
1317 c3b78ecc 2018-11-07 stsp (*tree)->refcnt = 0;
1319 e033d803 2018-04-23 stsp case GOT_IMSG_TREE_ENTRY:
1320 e033d803 2018-04-23 stsp /* This message should be preceeded by GOT_IMSG_TREE. */
1321 e033d803 2018-04-23 stsp if (*tree == NULL) {
1322 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1325 c0588d8d 2018-11-07 stsp if (datalen < sizeof(*ite) || datalen > MAX_IMSGSIZE) {
1326 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1330 e033d803 2018-04-23 stsp /* Remaining data contains the entry's name. */
1331 c0588d8d 2018-11-07 stsp datalen -= sizeof(*ite);
1332 e033d803 2018-04-23 stsp if (datalen == 0 || datalen > MAX_IMSGSIZE) {
1333 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1336 c0588d8d 2018-11-07 stsp ite = imsg.data;
1338 56e0773d 2019-11-28 stsp if (datalen + 1 > sizeof(te->name)) {
1339 56e0773d 2019-11-28 stsp err = got_error(GOT_ERR_NO_SPACE);
1342 56e0773d 2019-11-28 stsp te = &(*tree)->entries[nentries];
1343 c0588d8d 2018-11-07 stsp memcpy(te->name, imsg.data + sizeof(*ite), datalen);
1344 e033d803 2018-04-23 stsp te->name[datalen] = '\0';
1346 56e0773d 2019-11-28 stsp memcpy(te->id.sha1, ite->id, SHA1_DIGEST_LENGTH);
1347 c0588d8d 2018-11-07 stsp te->mode = ite->mode;
1348 56e0773d 2019-11-28 stsp te->idx = nentries;
1349 e033d803 2018-04-23 stsp nentries++;
1352 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1356 e033d803 2018-04-23 stsp imsg_free(&imsg);
1359 56e0773d 2019-11-28 stsp if (*tree && (*tree)->nentries != nentries) {
1360 1e51f5b9 2018-04-23 stsp if (err == NULL)
1361 1e51f5b9 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1362 e033d803 2018-04-23 stsp got_object_tree_close(*tree);
1363 e033d803 2018-04-23 stsp *tree = NULL;
1366 ff6b18f8 2018-04-24 stsp return err;
1369 ff6b18f8 2018-04-24 stsp const struct got_error *
1370 ac544f8c 2019-01-13 stsp got_privsep_send_blob(struct imsgbuf *ibuf, size_t size, size_t hdrlen,
1371 ac544f8c 2019-01-13 stsp const uint8_t *data)
1373 2967a784 2018-04-24 stsp struct got_imsg_blob iblob;
1375 2967a784 2018-04-24 stsp iblob.size = size;
1376 ebc55e2d 2018-12-24 stsp iblob.hdrlen = hdrlen;
1378 ac544f8c 2019-01-13 stsp if (data) {
1379 ac544f8c 2019-01-13 stsp uint8_t *buf;
1381 ac544f8c 2019-01-13 stsp if (size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX)
1382 ac544f8c 2019-01-13 stsp return got_error(GOT_ERR_NO_SPACE);
1384 ac544f8c 2019-01-13 stsp buf = malloc(sizeof(iblob) + size);
1385 ac544f8c 2019-01-13 stsp if (buf == NULL)
1386 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1388 ac544f8c 2019-01-13 stsp memcpy(buf, &iblob, sizeof(iblob));
1389 ac544f8c 2019-01-13 stsp memcpy(buf + sizeof(iblob), data, size);
1390 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, buf,
1391 ac544f8c 2019-01-13 stsp sizeof(iblob) + size) == -1) {
1392 ac544f8c 2019-01-13 stsp free(buf);
1393 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1395 ac544f8c 2019-01-13 stsp free(buf);
1397 ac544f8c 2019-01-13 stsp /* Data has already been written to file descriptor. */
1398 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, &iblob,
1399 ac544f8c 2019-01-13 stsp sizeof(iblob)) == -1)
1400 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1404 ff6b18f8 2018-04-24 stsp return flush_imsg(ibuf);
1407 ff6b18f8 2018-04-24 stsp const struct got_error *
1408 ac544f8c 2019-01-13 stsp got_privsep_recv_blob(uint8_t **outbuf, size_t *size, size_t *hdrlen,
1409 ac544f8c 2019-01-13 stsp struct imsgbuf *ibuf)
1411 ff6b18f8 2018-04-24 stsp const struct got_error *err = NULL;
1412 ff6b18f8 2018-04-24 stsp struct imsg imsg;
1413 291624d8 2018-11-07 stsp struct got_imsg_blob *iblob;
1414 ff6b18f8 2018-04-24 stsp size_t datalen;
1416 ac544f8c 2019-01-13 stsp *outbuf = NULL;
1418 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1420 ff6b18f8 2018-04-24 stsp return err;
1422 ff6b18f8 2018-04-24 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1424 ff6b18f8 2018-04-24 stsp switch (imsg.hdr.type) {
1425 ff6b18f8 2018-04-24 stsp case GOT_IMSG_BLOB:
1426 ac544f8c 2019-01-13 stsp if (datalen < sizeof(*iblob)) {
1427 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1430 291624d8 2018-11-07 stsp iblob = imsg.data;
1431 291624d8 2018-11-07 stsp *size = iblob->size;
1432 ebc55e2d 2018-12-24 stsp *hdrlen = iblob->hdrlen;
1434 ac544f8c 2019-01-13 stsp if (datalen == sizeof(*iblob)) {
1435 ac544f8c 2019-01-13 stsp /* Data has been written to file descriptor. */
1439 ac544f8c 2019-01-13 stsp if (*size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX) {
1440 ac544f8c 2019-01-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1444 ac544f8c 2019-01-13 stsp *outbuf = malloc(*size);
1445 ac544f8c 2019-01-13 stsp if (*outbuf == NULL) {
1446 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1449 ac544f8c 2019-01-13 stsp memcpy(*outbuf, imsg.data + sizeof(*iblob), *size);
1452 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1456 f4a881ce 2018-11-17 stsp imsg_free(&imsg);
1458 f4a881ce 2018-11-17 stsp return err;
1461 f4a881ce 2018-11-17 stsp static const struct got_error *
1462 f4a881ce 2018-11-17 stsp send_tagmsg(struct imsgbuf *ibuf, struct got_tag_object *tag, size_t tagmsg_len)
1464 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1465 f4a881ce 2018-11-17 stsp size_t offset, remain;
1467 f4a881ce 2018-11-17 stsp offset = 0;
1468 f4a881ce 2018-11-17 stsp remain = tagmsg_len;
1469 f4a881ce 2018-11-17 stsp while (remain > 0) {
1470 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1472 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_TAGMSG, 0, 0, -1,
1473 f4a881ce 2018-11-17 stsp tag->tagmsg + offset, n) == -1) {
1474 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG_TAGMSG");
1478 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1482 f4a881ce 2018-11-17 stsp offset += n;
1483 f4a881ce 2018-11-17 stsp remain -= n;
1486 f4a881ce 2018-11-17 stsp return err;
1489 f4a881ce 2018-11-17 stsp const struct got_error *
1490 f4a881ce 2018-11-17 stsp got_privsep_send_tag(struct imsgbuf *ibuf, struct got_tag_object *tag)
1492 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1493 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1494 f4a881ce 2018-11-17 stsp uint8_t *buf;
1495 f4a881ce 2018-11-17 stsp size_t len, total;
1496 f4a881ce 2018-11-17 stsp size_t tag_len = strlen(tag->tag);
1497 f4a881ce 2018-11-17 stsp size_t tagger_len = strlen(tag->tagger);
1498 f4a881ce 2018-11-17 stsp size_t tagmsg_len = strlen(tag->tagmsg);
1500 f4a881ce 2018-11-17 stsp total = sizeof(*itag) + tag_len + tagger_len + tagmsg_len;
1502 f4a881ce 2018-11-17 stsp buf = malloc(total);
1503 f4a881ce 2018-11-17 stsp if (buf == NULL)
1504 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1506 f4a881ce 2018-11-17 stsp itag = (struct got_imsg_tag_object *)buf;
1507 f4a881ce 2018-11-17 stsp memcpy(itag->id, tag->id.sha1, sizeof(itag->id));
1508 f4a881ce 2018-11-17 stsp itag->obj_type = tag->obj_type;
1509 f4a881ce 2018-11-17 stsp itag->tag_len = tag_len;
1510 f4a881ce 2018-11-17 stsp itag->tagger_len = tagger_len;
1511 f4a881ce 2018-11-17 stsp itag->tagger_time = tag->tagger_time;
1512 f4a881ce 2018-11-17 stsp itag->tagger_gmtoff = tag->tagger_gmtoff;
1513 f4a881ce 2018-11-17 stsp itag->tagmsg_len = tagmsg_len;
1515 f4a881ce 2018-11-17 stsp len = sizeof(*itag);
1516 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tag, tag_len);
1517 f4a881ce 2018-11-17 stsp len += tag_len;
1518 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tagger, tagger_len);
1519 f4a881ce 2018-11-17 stsp len += tagger_len;
1521 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG, 0, 0, -1, buf, len) == -1) {
1522 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG");
1523 f4a881ce 2018-11-17 stsp goto done;
1526 f4a881ce 2018-11-17 stsp if (tagmsg_len == 0 ||
1527 f4a881ce 2018-11-17 stsp tagmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1528 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1530 f4a881ce 2018-11-17 stsp goto done;
1532 f4a881ce 2018-11-17 stsp err = send_tagmsg(ibuf, tag, tagmsg_len);
1534 f4a881ce 2018-11-17 stsp free(buf);
1535 f4a881ce 2018-11-17 stsp return err;
1538 f4a881ce 2018-11-17 stsp const struct got_error *
1539 f4a881ce 2018-11-17 stsp got_privsep_recv_tag(struct got_tag_object **tag, struct imsgbuf *ibuf)
1541 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1542 f4a881ce 2018-11-17 stsp struct imsg imsg;
1543 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1544 f4a881ce 2018-11-17 stsp size_t len, datalen;
1545 f4a881ce 2018-11-17 stsp const size_t min_datalen =
1546 f4a881ce 2018-11-17 stsp MIN(sizeof(struct got_imsg_error),
1547 f4a881ce 2018-11-17 stsp sizeof(struct got_imsg_tag_object));
1549 f4a881ce 2018-11-17 stsp *tag = NULL;
1551 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1553 f4a881ce 2018-11-17 stsp return err;
1555 f4a881ce 2018-11-17 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1558 f4a881ce 2018-11-17 stsp switch (imsg.hdr.type) {
1559 f4a881ce 2018-11-17 stsp case GOT_IMSG_TAG:
1560 f4a881ce 2018-11-17 stsp if (datalen < sizeof(*itag)) {
1561 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1564 f4a881ce 2018-11-17 stsp itag = imsg.data;
1565 f4a881ce 2018-11-17 stsp if (datalen != sizeof(*itag) + itag->tag_len +
1566 f4a881ce 2018-11-17 stsp itag->tagger_len) {
1567 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1570 f4a881ce 2018-11-17 stsp len += sizeof(*itag);
1572 f4a881ce 2018-11-17 stsp *tag = calloc(1, sizeof(**tag));
1573 f4a881ce 2018-11-17 stsp if (*tag == NULL) {
1574 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
1578 f4a881ce 2018-11-17 stsp memcpy((*tag)->id.sha1, itag->id, SHA1_DIGEST_LENGTH);
1580 f4a881ce 2018-11-17 stsp if (itag->tag_len == 0) {
1581 f4a881ce 2018-11-17 stsp (*tag)->tag = strdup("");
1582 f4a881ce 2018-11-17 stsp if ((*tag)->tag == NULL) {
1583 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1587 f4a881ce 2018-11-17 stsp (*tag)->tag = malloc(itag->tag_len + 1);
1588 f4a881ce 2018-11-17 stsp if ((*tag)->tag == NULL) {
1589 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1592 f4a881ce 2018-11-17 stsp memcpy((*tag)->tag, imsg.data + len,
1593 f4a881ce 2018-11-17 stsp itag->tag_len);
1594 f4a881ce 2018-11-17 stsp (*tag)->tag[itag->tag_len] = '\0';
1596 f4a881ce 2018-11-17 stsp len += itag->tag_len;
1598 f4a881ce 2018-11-17 stsp (*tag)->obj_type = itag->obj_type;
1599 f4a881ce 2018-11-17 stsp (*tag)->tagger_time = itag->tagger_time;
1600 f4a881ce 2018-11-17 stsp (*tag)->tagger_gmtoff = itag->tagger_gmtoff;
1602 f4a881ce 2018-11-17 stsp if (itag->tagger_len == 0) {
1603 f4a881ce 2018-11-17 stsp (*tag)->tagger = strdup("");
1604 f4a881ce 2018-11-17 stsp if ((*tag)->tagger == NULL) {
1605 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1609 f4a881ce 2018-11-17 stsp (*tag)->tagger = malloc(itag->tagger_len + 1);
1610 f4a881ce 2018-11-17 stsp if ((*tag)->tagger == NULL) {
1611 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1614 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagger, imsg.data + len,
1615 f4a881ce 2018-11-17 stsp itag->tagger_len);
1616 f4a881ce 2018-11-17 stsp (*tag)->tagger[itag->tagger_len] = '\0';
1618 f4a881ce 2018-11-17 stsp len += itag->tagger_len;
1620 f4a881ce 2018-11-17 stsp if (itag->tagmsg_len == 0) {
1621 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = strdup("");
1622 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1623 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1627 f4a881ce 2018-11-17 stsp size_t offset = 0, remain = itag->tagmsg_len;
1629 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = malloc(itag->tagmsg_len + 1);
1630 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1631 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1634 f4a881ce 2018-11-17 stsp while (remain > 0) {
1635 f4a881ce 2018-11-17 stsp struct imsg imsg_log;
1636 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1639 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1641 f4a881ce 2018-11-17 stsp return err;
1643 f4a881ce 2018-11-17 stsp if (imsg_log.hdr.type != GOT_IMSG_TAG_TAGMSG)
1644 f4a881ce 2018-11-17 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
1646 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagmsg + offset, imsg_log.data,
1648 f4a881ce 2018-11-17 stsp imsg_free(&imsg_log);
1649 f4a881ce 2018-11-17 stsp offset += n;
1650 f4a881ce 2018-11-17 stsp remain -= n;
1652 f4a881ce 2018-11-17 stsp (*tag)->tagmsg[itag->tagmsg_len] = '\0';
1657 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1661 ff6b18f8 2018-04-24 stsp imsg_free(&imsg);
1663 2178c42e 2018-04-22 stsp return err;
1666 876c234b 2018-09-10 stsp const struct got_error *
1667 876c234b 2018-09-10 stsp got_privsep_init_pack_child(struct imsgbuf *ibuf, struct got_pack *pack,
1668 876c234b 2018-09-10 stsp struct got_packidx *packidx)
1670 41496140 2019-02-21 stsp const struct got_error *err = NULL;
1671 876c234b 2018-09-10 stsp struct got_imsg_packidx ipackidx;
1672 876c234b 2018-09-10 stsp struct got_imsg_pack ipack;
1675 876c234b 2018-09-10 stsp ipackidx.len = packidx->len;
1676 876c234b 2018-09-10 stsp fd = dup(packidx->fd);
1677 876c234b 2018-09-10 stsp if (fd == -1)
1678 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1680 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKIDX, 0, 0, fd, &ipackidx,
1681 41496140 2019-02-21 stsp sizeof(ipackidx)) == -1) {
1682 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACKIDX");
1683 41496140 2019-02-21 stsp close(fd);
1684 41496140 2019-02-21 stsp return err;
1687 876c234b 2018-09-10 stsp if (strlcpy(ipack.path_packfile, pack->path_packfile,
1688 876c234b 2018-09-10 stsp sizeof(ipack.path_packfile)) >= sizeof(ipack.path_packfile))
1689 876c234b 2018-09-10 stsp return got_error(GOT_ERR_NO_SPACE);
1690 876c234b 2018-09-10 stsp ipack.filesize = pack->filesize;
1692 876c234b 2018-09-10 stsp fd = dup(pack->fd);
1693 876c234b 2018-09-10 stsp if (fd == -1)
1694 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1696 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACK, 0, 0, fd, &ipack, sizeof(ipack))
1698 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACK");
1699 41496140 2019-02-21 stsp close(fd);
1700 41496140 2019-02-21 stsp return err;
1703 876c234b 2018-09-10 stsp return flush_imsg(ibuf);
1706 876c234b 2018-09-10 stsp const struct got_error *
1707 106807b4 2018-09-15 stsp got_privsep_send_packed_obj_req(struct imsgbuf *ibuf, int idx,
1708 106807b4 2018-09-15 stsp struct got_object_id *id)
1710 876c234b 2018-09-10 stsp struct got_imsg_packed_object iobj;
1712 876c234b 2018-09-10 stsp iobj.idx = idx;
1713 106807b4 2018-09-15 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
1715 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_OBJECT_REQUEST, 0, 0, -1,
1716 876c234b 2018-09-10 stsp &iobj, sizeof(iobj)) == -1)
1717 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose "
1718 230a42bd 2019-05-11 jcs "PACKED_OBJECT_REQUEST");
1720 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1723 aba9c984 2019-09-08 stsp const struct got_error *
1724 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_parse_req(struct imsgbuf *ibuf, int fd)
1726 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
1728 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_PARSE_REQUEST, 0, 0, fd,
1729 aba9c984 2019-09-08 stsp NULL, 0) == -1) {
1730 aba9c984 2019-09-08 stsp err = got_error_from_errno("imsg_compose "
1731 aba9c984 2019-09-08 stsp "GITCONFIG_PARSE_REQUEST");
1732 aba9c984 2019-09-08 stsp close(fd);
1733 aba9c984 2019-09-08 stsp return err;
1736 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1739 aba9c984 2019-09-08 stsp const struct got_error *
1740 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_repository_format_version_req(struct imsgbuf *ibuf)
1742 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
1743 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST, 0, 0, -1,
1744 aba9c984 2019-09-08 stsp NULL, 0) == -1)
1745 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
1746 aba9c984 2019-09-08 stsp "GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST");
1748 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1751 aba9c984 2019-09-08 stsp const struct got_error *
1752 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_name_req(struct imsgbuf *ibuf)
1754 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
1755 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_NAME_REQUEST, 0, 0, -1, NULL, 0) == -1)
1756 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
1757 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_NAME_REQUEST");
1759 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1762 aba9c984 2019-09-08 stsp const struct got_error *
1763 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_email_req(struct imsgbuf *ibuf)
1765 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
1766 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_EMAIL_REQUEST, 0, 0, -1, NULL, 0) == -1)
1767 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
1768 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_EMAIL_REQUEST");
1770 cd95becd 2019-11-29 stsp return flush_imsg(ibuf);
1773 cd95becd 2019-11-29 stsp const struct got_error *
1774 cd95becd 2019-11-29 stsp got_privsep_send_gitconfig_remotes_req(struct imsgbuf *ibuf)
1776 cd95becd 2019-11-29 stsp if (imsg_compose(ibuf,
1777 cd95becd 2019-11-29 stsp GOT_IMSG_GITCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
1778 cd95becd 2019-11-29 stsp return got_error_from_errno("imsg_compose "
1779 cd95becd 2019-11-29 stsp "GITCONFIG_REMOTE_REQUEST");
1781 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1784 aba9c984 2019-09-08 stsp const struct got_error *
1785 9a1cc63f 2020-02-03 stsp got_privsep_send_gitconfig_owner_req(struct imsgbuf *ibuf)
1787 9a1cc63f 2020-02-03 stsp if (imsg_compose(ibuf,
1788 9a1cc63f 2020-02-03 stsp GOT_IMSG_GITCONFIG_OWNER_REQUEST, 0, 0, -1, NULL, 0) == -1)
1789 9a1cc63f 2020-02-03 stsp return got_error_from_errno("imsg_compose "
1790 9a1cc63f 2020-02-03 stsp "GITCONFIG_OWNER_REQUEST");
1792 9a1cc63f 2020-02-03 stsp return flush_imsg(ibuf);
1795 9a1cc63f 2020-02-03 stsp const struct got_error *
1796 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_str(struct imsgbuf *ibuf, const char *value)
1798 aba9c984 2019-09-08 stsp size_t len = value ? strlen(value) + 1 : 0;
1800 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_STR_VAL, 0, 0, -1,
1801 aba9c984 2019-09-08 stsp value, len) == -1)
1802 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose GITCONFIG_STR_VAL");
1804 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1807 aba9c984 2019-09-08 stsp const struct got_error *
1808 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_str(char **str, struct imsgbuf *ibuf)
1810 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
1811 aba9c984 2019-09-08 stsp struct imsg imsg;
1812 aba9c984 2019-09-08 stsp size_t datalen;
1813 aba9c984 2019-09-08 stsp const size_t min_datalen = 0;
1815 aba9c984 2019-09-08 stsp *str = NULL;
1817 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1819 aba9c984 2019-09-08 stsp return err;
1820 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1822 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
1823 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_STR_VAL:
1824 aba9c984 2019-09-08 stsp if (datalen == 0)
1826 aba9c984 2019-09-08 stsp *str = malloc(datalen);
1827 aba9c984 2019-09-08 stsp if (*str == NULL) {
1828 aba9c984 2019-09-08 stsp err = got_error_from_errno("malloc");
1831 aba9c984 2019-09-08 stsp if (strlcpy(*str, imsg.data, datalen) >= datalen)
1832 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_NO_SPACE);
1835 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1839 aba9c984 2019-09-08 stsp imsg_free(&imsg);
1840 aba9c984 2019-09-08 stsp return err;
1843 aba9c984 2019-09-08 stsp const struct got_error *
1844 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_int(struct imsgbuf *ibuf, int value)
1846 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_INT_VAL, 0, 0, -1,
1847 aba9c984 2019-09-08 stsp &value, sizeof(value)) == -1)
1848 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose GITCONFIG_INT_VAL");
1850 876c234b 2018-09-10 stsp return flush_imsg(ibuf);
1853 63219cd2 2019-01-04 stsp const struct got_error *
1854 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_int(int *val, struct imsgbuf *ibuf)
1856 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
1857 aba9c984 2019-09-08 stsp struct imsg imsg;
1858 aba9c984 2019-09-08 stsp size_t datalen;
1859 aba9c984 2019-09-08 stsp const size_t min_datalen =
1860 aba9c984 2019-09-08 stsp MIN(sizeof(struct got_imsg_error), sizeof(int));
1864 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1866 aba9c984 2019-09-08 stsp return err;
1867 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1869 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
1870 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_INT_VAL:
1871 aba9c984 2019-09-08 stsp if (datalen != sizeof(*val)) {
1872 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1875 aba9c984 2019-09-08 stsp memcpy(val, imsg.data, sizeof(*val));
1878 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1882 cd95becd 2019-11-29 stsp imsg_free(&imsg);
1883 cd95becd 2019-11-29 stsp return err;
1886 cd95becd 2019-11-29 stsp const struct got_error *
1887 cd95becd 2019-11-29 stsp got_privsep_send_gitconfig_remotes(struct imsgbuf *ibuf,
1888 cd95becd 2019-11-29 stsp struct got_remote_repo *remotes, int nremotes)
1890 cd95becd 2019-11-29 stsp const struct got_error *err = NULL;
1891 cd95becd 2019-11-29 stsp struct got_imsg_remotes iremotes;
1894 cd95becd 2019-11-29 stsp iremotes.nremotes = nremotes;
1895 cd95becd 2019-11-29 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_REMOTES, 0, 0, -1,
1896 cd95becd 2019-11-29 stsp &iremotes, sizeof(iremotes)) == -1)
1897 cd95becd 2019-11-29 stsp return got_error_from_errno("imsg_compose GITCONFIG_REMOTES");
1899 cd95becd 2019-11-29 stsp err = flush_imsg(ibuf);
1900 cd95becd 2019-11-29 stsp imsg_clear(ibuf);
1902 cd95becd 2019-11-29 stsp return err;
1904 cd95becd 2019-11-29 stsp for (i = 0; i < nremotes; i++) {
1905 cd95becd 2019-11-29 stsp struct got_imsg_remote iremote;
1906 cd95becd 2019-11-29 stsp size_t len = sizeof(iremote);
1907 cd95becd 2019-11-29 stsp struct ibuf *wbuf;
1909 cd95becd 2019-11-29 stsp iremote.name_len = strlen(remotes[i].name);
1910 cd95becd 2019-11-29 stsp len += iremote.name_len;
1911 cd95becd 2019-11-29 stsp iremote.url_len = strlen(remotes[i].url);
1912 cd95becd 2019-11-29 stsp len += iremote.url_len;
1914 cd95becd 2019-11-29 stsp wbuf = imsg_create(ibuf, GOT_IMSG_GITCONFIG_REMOTE, 0, 0, len);
1915 cd95becd 2019-11-29 stsp if (wbuf == NULL)
1916 cd95becd 2019-11-29 stsp return got_error_from_errno(
1917 cd95becd 2019-11-29 stsp "imsg_create GITCONFIG_REMOTE");
1919 cd95becd 2019-11-29 stsp if (imsg_add(wbuf, &iremote, sizeof(iremote)) == -1) {
1920 cd95becd 2019-11-29 stsp err = got_error_from_errno(
1921 cd95becd 2019-11-29 stsp "imsg_add GIITCONFIG_REMOTE");
1922 cd95becd 2019-11-29 stsp ibuf_free(wbuf);
1923 cd95becd 2019-11-29 stsp return err;
1926 cd95becd 2019-11-29 stsp if (imsg_add(wbuf, remotes[i].name, iremote.name_len) == -1) {
1927 cd95becd 2019-11-29 stsp err = got_error_from_errno(
1928 cd95becd 2019-11-29 stsp "imsg_add GIITCONFIG_REMOTE");
1929 cd95becd 2019-11-29 stsp ibuf_free(wbuf);
1930 cd95becd 2019-11-29 stsp return err;
1932 cd95becd 2019-11-29 stsp if (imsg_add(wbuf, remotes[i].url, iremote.url_len) == -1) {
1933 cd95becd 2019-11-29 stsp err = got_error_from_errno(
1934 cd95becd 2019-11-29 stsp "imsg_add GIITCONFIG_REMOTE");
1935 cd95becd 2019-11-29 stsp ibuf_free(wbuf);
1936 cd95becd 2019-11-29 stsp return err;
1939 cd95becd 2019-11-29 stsp wbuf->fd = -1;
1940 cd95becd 2019-11-29 stsp imsg_close(ibuf, wbuf);
1941 cd95becd 2019-11-29 stsp err = flush_imsg(ibuf);
1943 cd95becd 2019-11-29 stsp return err;
1946 cd95becd 2019-11-29 stsp return NULL;
1949 cd95becd 2019-11-29 stsp const struct got_error *
1950 cd95becd 2019-11-29 stsp got_privsep_recv_gitconfig_remotes(struct got_remote_repo **remotes,
1951 cd95becd 2019-11-29 stsp int *nremotes, struct imsgbuf *ibuf)
1953 cd95becd 2019-11-29 stsp const struct got_error *err = NULL;
1954 cd95becd 2019-11-29 stsp struct imsg imsg;
1955 cd95becd 2019-11-29 stsp size_t datalen;
1956 cd95becd 2019-11-29 stsp struct got_imsg_remotes iremotes;
1957 cd95becd 2019-11-29 stsp struct got_imsg_remote iremote;
1959 cd95becd 2019-11-29 stsp *remotes = NULL;
1960 cd95becd 2019-11-29 stsp *nremotes = 0;
1961 d669b9c9 2020-02-22 stsp iremotes.nremotes = 0;
1963 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremotes));
1965 cd95becd 2019-11-29 stsp return err;
1966 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1968 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
1969 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTES:
1970 cd95becd 2019-11-29 stsp if (datalen != sizeof(iremotes)) {
1971 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1974 cd95becd 2019-11-29 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
1975 cd95becd 2019-11-29 stsp if (iremotes.nremotes == 0) {
1976 cd95becd 2019-11-29 stsp imsg_free(&imsg);
1977 cd95becd 2019-11-29 stsp return NULL;
1981 54b1c5b5 2020-02-22 stsp imsg_free(&imsg);
1982 54b1c5b5 2020-02-22 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
1985 aba9c984 2019-09-08 stsp imsg_free(&imsg);
1987 cd95becd 2019-11-29 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(iremote));
1988 cd95becd 2019-11-29 stsp if (*remotes == NULL)
1989 cd95becd 2019-11-29 stsp return got_error_from_errno("recallocarray");
1991 cd95becd 2019-11-29 stsp while (*nremotes < iremotes.nremotes) {
1992 cd95becd 2019-11-29 stsp struct got_remote_repo *remote;
1994 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremote));
1997 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1999 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2000 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTE:
2001 cd95becd 2019-11-29 stsp remote = &(*remotes)[*nremotes];
2002 cd95becd 2019-11-29 stsp if (datalen < sizeof(iremote)) {
2003 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2006 cd95becd 2019-11-29 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2007 cd95becd 2019-11-29 stsp if (iremote.name_len == 0 || iremote.url_len == 0 ||
2008 cd95becd 2019-11-29 stsp (sizeof(iremote) + iremote.name_len +
2009 cd95becd 2019-11-29 stsp iremote.url_len) > datalen) {
2010 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2013 cd95becd 2019-11-29 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2014 cd95becd 2019-11-29 stsp iremote.name_len);
2015 cd95becd 2019-11-29 stsp if (remote->name == NULL) {
2016 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2019 cd95becd 2019-11-29 stsp remote->url = strndup(imsg.data + sizeof(iremote) +
2020 cd95becd 2019-11-29 stsp iremote.name_len, iremote.url_len);
2021 cd95becd 2019-11-29 stsp if (remote->url == NULL) {
2022 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2023 cd95becd 2019-11-29 stsp free(remote->name);
2026 cd95becd 2019-11-29 stsp (*nremotes)++;
2029 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2033 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2038 cd95becd 2019-11-29 stsp if (err) {
2040 cd95becd 2019-11-29 stsp for (i = 0; i < *nremotes; i++) {
2041 cd95becd 2019-11-29 stsp free((*remotes)[i].name);
2042 cd95becd 2019-11-29 stsp free((*remotes)[i].url);
2044 cd95becd 2019-11-29 stsp free(*remotes);
2045 cd95becd 2019-11-29 stsp *remotes = NULL;
2046 cd95becd 2019-11-29 stsp *nremotes = 0;
2048 aba9c984 2019-09-08 stsp return err;
2051 ca6e02ac 2020-01-07 stsp const struct got_error *
2052 ca6e02ac 2020-01-07 stsp got_privsep_send_commit_traversal_request(struct imsgbuf *ibuf,
2053 ca6e02ac 2020-01-07 stsp struct got_object_id *id, int idx, const char *path)
2055 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
2056 ca6e02ac 2020-01-07 stsp struct ibuf *wbuf;
2057 ca6e02ac 2020-01-07 stsp size_t path_len = strlen(path) + 1;
2059 ca6e02ac 2020-01-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_COMMIT_TRAVERSAL_REQUEST, 0, 0,
2060 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_traversal_request) + path_len);
2061 ca6e02ac 2020-01-07 stsp if (wbuf == NULL)
2062 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
2063 ca6e02ac 2020-01-07 stsp "imsg_create COMMIT_TRAVERSAL_REQUEST");
2064 ca6e02ac 2020-01-07 stsp if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1) {
2065 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("imsg_add COMMIT_TRAVERSAL_REQUEST");
2066 ca6e02ac 2020-01-07 stsp ibuf_free(wbuf);
2067 ca6e02ac 2020-01-07 stsp return err;
2069 ca6e02ac 2020-01-07 stsp if (imsg_add(wbuf, &idx, sizeof(idx)) == -1) {
2070 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("imsg_add COMMIT_TRAVERSAL_REQUEST");
2071 ca6e02ac 2020-01-07 stsp ibuf_free(wbuf);
2072 ca6e02ac 2020-01-07 stsp return err;
2074 ca6e02ac 2020-01-07 stsp if (imsg_add(wbuf, path, path_len) == -1) {
2075 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("imsg_add COMMIT_TRAVERSAL_REQUEST");
2076 ca6e02ac 2020-01-07 stsp ibuf_free(wbuf);
2077 ca6e02ac 2020-01-07 stsp return err;
2080 ca6e02ac 2020-01-07 stsp wbuf->fd = -1;
2081 ca6e02ac 2020-01-07 stsp imsg_close(ibuf, wbuf);
2083 ca6e02ac 2020-01-07 stsp return flush_imsg(ibuf);
2086 aba9c984 2019-09-08 stsp const struct got_error *
2087 ca6e02ac 2020-01-07 stsp got_privsep_send_traversed_commits(struct got_object_id *commit_ids,
2088 ca6e02ac 2020-01-07 stsp size_t ncommits, struct imsgbuf *ibuf)
2090 ca6e02ac 2020-01-07 stsp const struct got_error *err;
2091 ca6e02ac 2020-01-07 stsp struct ibuf *wbuf;
2094 ca6e02ac 2020-01-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TRAVERSED_COMMITS, 0, 0,
2095 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_traversed_commits) +
2096 ca6e02ac 2020-01-07 stsp ncommits * SHA1_DIGEST_LENGTH);
2097 ca6e02ac 2020-01-07 stsp if (wbuf == NULL)
2098 ca6e02ac 2020-01-07 stsp return got_error_from_errno("imsg_create TRAVERSED_COMMITS");
2100 ca6e02ac 2020-01-07 stsp if (imsg_add(wbuf, &ncommits, sizeof(ncommits)) == -1) {
2101 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("imsg_add TRAVERSED_COMMITS");
2102 ca6e02ac 2020-01-07 stsp ibuf_free(wbuf);
2103 ca6e02ac 2020-01-07 stsp return err;
2105 ca6e02ac 2020-01-07 stsp for (i = 0; i < ncommits; i++) {
2106 ca6e02ac 2020-01-07 stsp struct got_object_id *id = &commit_ids[i];
2107 ca6e02ac 2020-01-07 stsp if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1) {
2108 ca6e02ac 2020-01-07 stsp err = got_error_from_errno(
2109 ca6e02ac 2020-01-07 stsp "imsg_add TRAVERSED_COMMITS");
2110 ca6e02ac 2020-01-07 stsp ibuf_free(wbuf);
2111 ca6e02ac 2020-01-07 stsp return err;
2115 ca6e02ac 2020-01-07 stsp wbuf->fd = -1;
2116 ca6e02ac 2020-01-07 stsp imsg_close(ibuf, wbuf);
2118 ca6e02ac 2020-01-07 stsp return flush_imsg(ibuf);
2121 ca6e02ac 2020-01-07 stsp const struct got_error *
2122 ca6e02ac 2020-01-07 stsp got_privsep_recv_traversed_commits(struct got_commit_object **changed_commit,
2123 ca6e02ac 2020-01-07 stsp struct got_object_id **changed_commit_id,
2124 ca6e02ac 2020-01-07 stsp struct got_object_id_queue *commit_ids, struct imsgbuf *ibuf)
2126 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
2127 ca6e02ac 2020-01-07 stsp struct imsg imsg;
2128 ca6e02ac 2020-01-07 stsp struct got_imsg_traversed_commits *icommits;
2129 ca6e02ac 2020-01-07 stsp size_t datalen;
2130 ca6e02ac 2020-01-07 stsp int i, done = 0;
2132 ca6e02ac 2020-01-07 stsp *changed_commit = NULL;
2133 ca6e02ac 2020-01-07 stsp *changed_commit_id = NULL;
2135 ca6e02ac 2020-01-07 stsp while (!done) {
2136 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2138 ca6e02ac 2020-01-07 stsp return err;
2140 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2141 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
2142 ca6e02ac 2020-01-07 stsp case GOT_IMSG_TRAVERSED_COMMITS:
2143 ca6e02ac 2020-01-07 stsp icommits = imsg.data;
2144 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommits) +
2145 ca6e02ac 2020-01-07 stsp icommits->ncommits * SHA1_DIGEST_LENGTH) {
2146 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2149 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommits->ncommits; i++) {
2150 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
2151 ca6e02ac 2020-01-07 stsp uint8_t *sha1 = (uint8_t *)imsg.data +
2152 ca6e02ac 2020-01-07 stsp sizeof(*icommits) + i * SHA1_DIGEST_LENGTH;
2153 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
2156 ca6e02ac 2020-01-07 stsp memcpy(qid->id->sha1, sha1, SHA1_DIGEST_LENGTH);
2157 ca6e02ac 2020-01-07 stsp SIMPLEQ_INSERT_TAIL(commit_ids, qid, entry);
2159 ca6e02ac 2020-01-07 stsp /* The last commit may contain a change. */
2160 ca6e02ac 2020-01-07 stsp if (i == icommits->ncommits - 1) {
2161 ca6e02ac 2020-01-07 stsp *changed_commit_id =
2162 ca6e02ac 2020-01-07 stsp got_object_id_dup(qid->id);
2163 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2164 ca6e02ac 2020-01-07 stsp err = got_error_from_errno(
2165 ca6e02ac 2020-01-07 stsp "got_object_id_dup");
2171 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
2172 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2173 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2176 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(changed_commit, &imsg,
2177 ca6e02ac 2020-01-07 stsp datalen, ibuf);
2179 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT_TRAVERSAL_DONE:
2183 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2187 ca6e02ac 2020-01-07 stsp imsg_free(&imsg);
2193 ca6e02ac 2020-01-07 stsp got_object_id_queue_free(commit_ids);
2194 ca6e02ac 2020-01-07 stsp return err;
2197 ca6e02ac 2020-01-07 stsp const struct got_error *
2198 ca6e02ac 2020-01-07 stsp got_privsep_send_commit_traversal_done(struct imsgbuf *ibuf)
2200 ca6e02ac 2020-01-07 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_TRAVERSAL_DONE, 0, 0, -1,
2201 ca6e02ac 2020-01-07 stsp NULL, 0) == -1)
2202 ca6e02ac 2020-01-07 stsp return got_error_from_errno("imsg_compose TRAVERSAL_DONE");
2204 ca6e02ac 2020-01-07 stsp return flush_imsg(ibuf);
2207 ca6e02ac 2020-01-07 stsp const struct got_error *
2208 63219cd2 2019-01-04 stsp got_privsep_unveil_exec_helpers(void)
2210 c39c25dd 2019-08-09 stsp const char *helpers[] = {
2211 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_PACK,
2212 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_OBJECT,
2213 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_COMMIT,
2214 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TREE,
2215 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_BLOB,
2216 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TAG,
2217 aba9c984 2019-09-08 stsp GOT_PATH_PROG_READ_GITCONFIG,
2218 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_FETCH_PACK,
2219 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_INDEX_PACK,
2223 c39c25dd 2019-08-09 stsp for (i = 0; i < nitems(helpers); i++) {
2224 c39c25dd 2019-08-09 stsp if (unveil(helpers[i], "x") == 0)
2226 c39c25dd 2019-08-09 stsp return got_error_from_errno2("unveil", helpers[i]);
2229 63219cd2 2019-01-04 stsp return NULL;
2233 aba9c984 2019-09-08 stsp got_privsep_exec_child(int imsg_fds[2], const char *path, const char *repo_path)
2235 aba9c984 2019-09-08 stsp if (close(imsg_fds[0]) != 0) {
2236 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
2240 aba9c984 2019-09-08 stsp if (dup2(imsg_fds[1], GOT_IMSG_FD_CHILD) == -1) {
2241 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
2244 aba9c984 2019-09-08 stsp if (closefrom(GOT_IMSG_FD_CHILD + 1) == -1) {
2245 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
2249 aba9c984 2019-09-08 stsp if (execl(path, path, repo_path, (char *)NULL) == -1) {
2250 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s: %s\n", getprogname(), path,
2251 aba9c984 2019-09-08 stsp strerror(errno));
