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 659e7fbd 2020-03-20 stsp struct got_pathlist_head *have_refs, int fetch_all_branches)
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 659e7fbd 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_request);
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 659e7fbd 2020-03-20 stsp /* Keep in sync with struct got_imsg_fetch_request definition! */
439 659e7fbd 2020-03-20 stsp if (imsg_add(wbuf, &fetch_all_branches, sizeof(fetch_all_branches))
441 659e7fbd 2020-03-20 stsp err = got_error_from_errno("imsg_add FETCH_REQUEST");
442 659e7fbd 2020-03-20 stsp ibuf_free(wbuf);
444 659e7fbd 2020-03-20 stsp return err;
446 33501562 2020-03-18 stsp if (imsg_add(wbuf, &n_have_refs, sizeof(n_have_refs)) == -1) {
447 33501562 2020-03-18 stsp err = got_error_from_errno("imsg_add FETCH_REQUEST");
448 33501562 2020-03-18 stsp ibuf_free(wbuf);
450 93658fb9 2020-03-18 stsp return err;
453 33501562 2020-03-18 stsp TAILQ_FOREACH(pe, have_refs, entry) {
454 33501562 2020-03-18 stsp const char *name = pe->path;
455 33501562 2020-03-18 stsp size_t name_len = pe->path_len;
456 33501562 2020-03-18 stsp struct got_object_id *id = pe->data;
458 33501562 2020-03-18 stsp /* Keep in sync with struct got_imsg_fetch_have_ref! */
459 33501562 2020-03-18 stsp if (imsg_add(wbuf, id->sha1, sizeof(id->sha1)) == -1) {
460 33501562 2020-03-18 stsp err = got_error_from_errno("imsg_add FETCH_REQUEST");
461 33501562 2020-03-18 stsp ibuf_free(wbuf);
463 33501562 2020-03-18 stsp return err;
465 33501562 2020-03-18 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1) {
466 33501562 2020-03-18 stsp err = got_error_from_errno("imsg_add FETCH_REQUEST");
467 33501562 2020-03-18 stsp ibuf_free(wbuf);
469 33501562 2020-03-18 stsp return err;
471 33501562 2020-03-18 stsp if (imsg_add(wbuf, name, name_len) == -1) {
472 33501562 2020-03-18 stsp err = got_error_from_errno("imsg_add FETCH_REQUEST");
473 33501562 2020-03-18 stsp ibuf_free(wbuf);
475 33501562 2020-03-18 stsp return err;
479 33501562 2020-03-18 stsp wbuf->fd = fd;
480 33501562 2020-03-18 stsp imsg_close(ibuf, wbuf);
481 93658fb9 2020-03-18 stsp return flush_imsg(ibuf);
484 93658fb9 2020-03-18 stsp const struct got_error *
485 f826addf 2020-03-18 stsp got_privsep_send_fetch_outfd(struct imsgbuf *ibuf, int fd)
487 f826addf 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_FETCH_OUTFD, fd);
491 f826addf 2020-03-18 stsp const struct got_error *
492 abe0f35f 2020-03-18 stsp got_privsep_send_fetch_symrefs(struct imsgbuf *ibuf,
493 abe0f35f 2020-03-18 stsp struct got_pathlist_head *symrefs)
495 abe0f35f 2020-03-18 stsp const struct got_error *err = NULL;
496 abe0f35f 2020-03-18 stsp struct ibuf *wbuf;
497 abe0f35f 2020-03-18 stsp size_t len, nsymrefs = 0;
498 abe0f35f 2020-03-18 stsp struct got_pathlist_entry *pe;
500 abe0f35f 2020-03-18 stsp len = sizeof(struct got_imsg_fetch_symrefs);
501 abe0f35f 2020-03-18 stsp TAILQ_FOREACH(pe, symrefs, entry) {
502 abe0f35f 2020-03-18 stsp const char *target = pe->data;
503 abe0f35f 2020-03-18 stsp len += sizeof(struct got_imsg_fetch_symref) +
504 abe0f35f 2020-03-18 stsp pe->path_len + strlen(target);
505 abe0f35f 2020-03-18 stsp nsymrefs++;
508 abe0f35f 2020-03-18 stsp if (len >= MAX_IMSGSIZE - IMSG_HEADER_SIZE)
509 abe0f35f 2020-03-18 stsp return got_error(GOT_ERR_NO_SPACE);
511 abe0f35f 2020-03-18 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_SYMREFS, 0, 0, len);
512 abe0f35f 2020-03-18 stsp if (wbuf == NULL)
513 abe0f35f 2020-03-18 stsp return got_error_from_errno("imsg_create FETCH_SYMREFS");
515 abe0f35f 2020-03-18 stsp /* Keep in sync with struct got_imsg_fetch_symrefs definition! */
516 abe0f35f 2020-03-18 stsp if (imsg_add(wbuf, &nsymrefs, sizeof(nsymrefs)) == -1) {
517 abe0f35f 2020-03-18 stsp err = got_error_from_errno("imsg_add FETCH_SYMREFS");
518 abe0f35f 2020-03-18 stsp ibuf_free(wbuf);
519 abe0f35f 2020-03-18 stsp return err;
522 abe0f35f 2020-03-18 stsp TAILQ_FOREACH(pe, symrefs, entry) {
523 abe0f35f 2020-03-18 stsp const char *name = pe->path;
524 abe0f35f 2020-03-18 stsp size_t name_len = pe->path_len;
525 abe0f35f 2020-03-18 stsp const char *target = pe->data;
526 abe0f35f 2020-03-18 stsp size_t target_len = strlen(target);
528 abe0f35f 2020-03-18 stsp /* Keep in sync with struct got_imsg_fetch_symref definition! */
529 abe0f35f 2020-03-18 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1) {
530 abe0f35f 2020-03-18 stsp err = got_error_from_errno("imsg_add FETCH_SYMREFS");
531 abe0f35f 2020-03-18 stsp ibuf_free(wbuf);
532 abe0f35f 2020-03-18 stsp return err;
534 abe0f35f 2020-03-18 stsp if (imsg_add(wbuf, &target_len, sizeof(target_len)) == -1) {
535 abe0f35f 2020-03-18 stsp err = got_error_from_errno("imsg_add FETCH_SYMREFS");
536 abe0f35f 2020-03-18 stsp ibuf_free(wbuf);
537 abe0f35f 2020-03-18 stsp return err;
539 abe0f35f 2020-03-18 stsp if (imsg_add(wbuf, name, name_len) == -1) {
540 abe0f35f 2020-03-18 stsp err = got_error_from_errno("imsg_add FETCH_SYMREFS");
541 abe0f35f 2020-03-18 stsp ibuf_free(wbuf);
542 abe0f35f 2020-03-18 stsp return err;
544 abe0f35f 2020-03-18 stsp if (imsg_add(wbuf, target, target_len) == -1) {
545 abe0f35f 2020-03-18 stsp err = got_error_from_errno("imsg_add FETCH_SYMREFS");
546 abe0f35f 2020-03-18 stsp ibuf_free(wbuf);
547 abe0f35f 2020-03-18 stsp return err;
551 abe0f35f 2020-03-18 stsp wbuf->fd = -1;
552 abe0f35f 2020-03-18 stsp imsg_close(ibuf, wbuf);
553 abe0f35f 2020-03-18 stsp return flush_imsg(ibuf);
556 abe0f35f 2020-03-18 stsp const struct got_error *
557 ea7396b9 2020-03-18 stsp got_privsep_send_fetch_ref(struct imsgbuf *ibuf,
558 b9f99abf 2020-03-18 stsp struct got_object_id *refid, const char *refname)
560 b9f99abf 2020-03-18 stsp const struct got_error *err = NULL;
561 b9f99abf 2020-03-18 stsp struct ibuf *wbuf;
562 b9f99abf 2020-03-18 stsp size_t len, reflen = strlen(refname);
564 ea7396b9 2020-03-18 stsp len = sizeof(struct got_imsg_fetch_ref) + reflen;
565 b9f99abf 2020-03-18 stsp if (len >= MAX_IMSGSIZE - IMSG_HEADER_SIZE)
566 b9f99abf 2020-03-18 stsp return got_error(GOT_ERR_NO_SPACE);
568 ea7396b9 2020-03-18 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_REF, 0, 0, len);
569 b9f99abf 2020-03-18 stsp if (wbuf == NULL)
570 ea7396b9 2020-03-18 stsp return got_error_from_errno("imsg_create FETCH_REF");
572 ea7396b9 2020-03-18 stsp /* Keep in sync with struct got_imsg_fetch_ref definition! */
573 b9f99abf 2020-03-18 stsp if (imsg_add(wbuf, refid->sha1, SHA1_DIGEST_LENGTH) == -1) {
574 ea7396b9 2020-03-18 stsp err = got_error_from_errno("imsg_add FETCH_REF");
575 b9f99abf 2020-03-18 stsp ibuf_free(wbuf);
576 b9f99abf 2020-03-18 stsp return err;
578 b9f99abf 2020-03-18 stsp if (imsg_add(wbuf, refname, reflen) == -1) {
579 ea7396b9 2020-03-18 stsp err = got_error_from_errno("imsg_add FETCH_REF");
580 b9f99abf 2020-03-18 stsp ibuf_free(wbuf);
581 b9f99abf 2020-03-18 stsp return err;
584 b9f99abf 2020-03-18 stsp wbuf->fd = -1;
585 b9f99abf 2020-03-18 stsp imsg_close(ibuf, wbuf);
586 531c3985 2020-03-18 stsp return flush_imsg(ibuf);
589 531c3985 2020-03-18 stsp const struct got_error *
590 531c3985 2020-03-18 stsp got_privsep_send_fetch_server_progress(struct imsgbuf *ibuf, const char *msg,
591 531c3985 2020-03-18 stsp size_t msglen)
593 531c3985 2020-03-18 stsp if (msglen > MAX_IMSGSIZE - IMSG_HEADER_SIZE)
594 531c3985 2020-03-18 stsp return got_error(GOT_ERR_NO_SPACE);
596 531c3985 2020-03-18 stsp if (msglen == 0)
597 531c3985 2020-03-18 stsp return NULL;
599 531c3985 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_FETCH_SERVER_PROGRESS, 0, 0, -1,
600 531c3985 2020-03-18 stsp msg, msglen) == -1)
601 531c3985 2020-03-18 stsp return got_error_from_errno(
602 531c3985 2020-03-18 stsp "imsg_compose FETCH_SERVER_PROGRESS");
604 d2cdc636 2020-03-18 stsp return flush_imsg(ibuf);
607 d2cdc636 2020-03-18 stsp const struct got_error *
608 d2cdc636 2020-03-18 stsp got_privsep_send_fetch_download_progress(struct imsgbuf *ibuf, off_t bytes)
610 d2cdc636 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_FETCH_DOWNLOAD_PROGRESS, 0, 0, -1,
611 d2cdc636 2020-03-18 stsp &bytes, sizeof(bytes)) == -1)
612 d2cdc636 2020-03-18 stsp return got_error_from_errno(
613 d2cdc636 2020-03-18 stsp "imsg_compose FETCH_DOWNLOAD_PROGRESS");
615 b9f99abf 2020-03-18 stsp return flush_imsg(ibuf);
618 b9f99abf 2020-03-18 stsp const struct got_error *
619 93658fb9 2020-03-18 stsp got_privsep_send_fetch_done(struct imsgbuf *ibuf, struct got_object_id hash)
621 93658fb9 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_FETCH_DONE, 0, 0, -1,
622 93658fb9 2020-03-18 stsp hash.sha1, SHA1_DIGEST_LENGTH) == -1)
623 93658fb9 2020-03-18 stsp return got_error_from_errno("imsg_compose FETCH");
624 93658fb9 2020-03-18 stsp return flush_imsg(ibuf);
628 93658fb9 2020-03-18 stsp const struct got_error *
629 8f2d01a6 2020-03-18 stsp got_privsep_recv_fetch_progress(int *done, struct got_object_id **id,
630 531c3985 2020-03-18 stsp char **refname, struct got_pathlist_head *symrefs, char **server_progress,
631 d2cdc636 2020-03-18 stsp off_t *packfile_size, struct imsgbuf *ibuf)
633 b9f99abf 2020-03-18 stsp const struct got_error *err = NULL;
634 b9f99abf 2020-03-18 stsp struct imsg imsg;
635 b9f99abf 2020-03-18 stsp size_t datalen;
636 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symrefs *isymrefs = NULL;
637 abe0f35f 2020-03-18 stsp size_t n, remain;
642 8f2d01a6 2020-03-18 stsp *id = NULL;
643 b9f99abf 2020-03-18 stsp *refname = NULL;
644 531c3985 2020-03-18 stsp *server_progress = NULL;
645 5a489642 2020-03-19 stsp *packfile_size = 0;
647 531c3985 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
649 b9f99abf 2020-03-18 stsp return err;
651 b9f99abf 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
652 b9f99abf 2020-03-18 stsp switch (imsg.hdr.type) {
653 b9f99abf 2020-03-18 stsp case GOT_IMSG_ERROR:
654 531c3985 2020-03-18 stsp if (datalen < sizeof(struct got_imsg_error)) {
655 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
658 b9f99abf 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
660 abe0f35f 2020-03-18 stsp case GOT_IMSG_FETCH_SYMREFS:
661 abe0f35f 2020-03-18 stsp if (datalen < sizeof(*isymrefs)) {
662 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
665 abe0f35f 2020-03-18 stsp if (isymrefs != NULL) {
666 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
669 abe0f35f 2020-03-18 stsp isymrefs = (struct got_imsg_fetch_symrefs *)imsg.data;
670 abe0f35f 2020-03-18 stsp off = sizeof(*isymrefs);
671 abe0f35f 2020-03-18 stsp remain = datalen - off;
672 abe0f35f 2020-03-18 stsp for (n = 0; n < isymrefs->nsymrefs; n++) {
673 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symref *s;
674 abe0f35f 2020-03-18 stsp char *name, *target;
675 abe0f35f 2020-03-18 stsp if (remain < sizeof(struct got_imsg_fetch_symref)) {
676 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
679 abe0f35f 2020-03-18 stsp s = (struct got_imsg_fetch_symref *)(imsg.data + off);
680 abe0f35f 2020-03-18 stsp off += sizeof(*s);
681 abe0f35f 2020-03-18 stsp remain -= sizeof(*s);
682 abe0f35f 2020-03-18 stsp if (remain < s->name_len) {
683 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
686 abe0f35f 2020-03-18 stsp name = strndup(imsg.data + off, s->name_len);
687 abe0f35f 2020-03-18 stsp if (name == NULL) {
688 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
691 abe0f35f 2020-03-18 stsp off += s->name_len;
692 abe0f35f 2020-03-18 stsp remain -= s->name_len;
693 abe0f35f 2020-03-18 stsp if (remain < s->target_len) {
694 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
695 abe0f35f 2020-03-18 stsp free(name);
698 abe0f35f 2020-03-18 stsp target = strndup(imsg.data + off, s->target_len);
699 abe0f35f 2020-03-18 stsp if (target == NULL) {
700 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
701 abe0f35f 2020-03-18 stsp free(name);
704 abe0f35f 2020-03-18 stsp off += s->target_len;
705 abe0f35f 2020-03-18 stsp remain -= s->target_len;
706 abe0f35f 2020-03-18 stsp err = got_pathlist_append(symrefs, name, target);
708 abe0f35f 2020-03-18 stsp free(name);
709 abe0f35f 2020-03-18 stsp free(target);
714 ea7396b9 2020-03-18 stsp case GOT_IMSG_FETCH_REF:
715 531c3985 2020-03-18 stsp if (datalen <= SHA1_DIGEST_LENGTH) {
716 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
719 8f2d01a6 2020-03-18 stsp *id = malloc(sizeof(**id));
720 8f2d01a6 2020-03-18 stsp if (*id == NULL) {
721 b9f99abf 2020-03-18 stsp err = got_error_from_errno("malloc");
724 8f2d01a6 2020-03-18 stsp memcpy((*id)->sha1, imsg.data, SHA1_DIGEST_LENGTH);
725 b9f99abf 2020-03-18 stsp *refname = strndup(imsg.data + SHA1_DIGEST_LENGTH,
726 b9f99abf 2020-03-18 stsp datalen - SHA1_DIGEST_LENGTH);
727 b9f99abf 2020-03-18 stsp if (*refname == NULL) {
728 b9f99abf 2020-03-18 stsp err = got_error_from_errno("strndup");
732 531c3985 2020-03-18 stsp case GOT_IMSG_FETCH_SERVER_PROGRESS:
733 531c3985 2020-03-18 stsp if (datalen == 0) {
734 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
737 531c3985 2020-03-18 stsp *server_progress = strndup(imsg.data, datalen);
738 531c3985 2020-03-18 stsp if (*server_progress == NULL) {
739 531c3985 2020-03-18 stsp err = got_error_from_errno("strndup");
742 531c3985 2020-03-18 stsp for (i = 0; i < datalen; i++) {
743 531c3985 2020-03-18 stsp if (!isprint((unsigned char)(*server_progress)[i]) &&
744 531c3985 2020-03-18 stsp !isspace((unsigned char)(*server_progress)[i])) {
745 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
746 531c3985 2020-03-18 stsp free(*server_progress);
747 531c3985 2020-03-18 stsp *server_progress = NULL;
752 d2cdc636 2020-03-18 stsp case GOT_IMSG_FETCH_DOWNLOAD_PROGRESS:
753 d2cdc636 2020-03-18 stsp if (datalen < sizeof(*packfile_size)) {
754 d2cdc636 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
757 d2cdc636 2020-03-18 stsp memcpy(packfile_size, imsg.data, sizeof(*packfile_size));
759 8f2d01a6 2020-03-18 stsp case GOT_IMSG_FETCH_DONE:
760 8f2d01a6 2020-03-18 stsp *id = malloc(sizeof(**id));
761 8f2d01a6 2020-03-18 stsp if (*id == NULL) {
762 8f2d01a6 2020-03-18 stsp err = got_error_from_errno("malloc");
765 8f2d01a6 2020-03-18 stsp if (datalen != SHA1_DIGEST_LENGTH) {
766 8f2d01a6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
769 8f2d01a6 2020-03-18 stsp memcpy((*id)->sha1, imsg.data, SHA1_DIGEST_LENGTH);
773 b887aab6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
779 8f2d01a6 2020-03-18 stsp *id = NULL;
780 b887aab6 2020-03-18 stsp free(*refname);
781 b887aab6 2020-03-18 stsp *refname = NULL;
783 b9f99abf 2020-03-18 stsp imsg_free(&imsg);
784 b9f99abf 2020-03-18 stsp return err;
787 93658fb9 2020-03-18 stsp const struct got_error *
788 668a20f6 2020-03-18 stsp got_privsep_send_index_pack_req(struct imsgbuf *ibuf, uint8_t *pack_hash,
791 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
793 668a20f6 2020-03-18 stsp /* Keep in sync with struct got_imsg_index_pack_request */
794 93658fb9 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_IDXPACK_REQUEST, 0, 0, fd,
795 668a20f6 2020-03-18 stsp pack_hash, SHA1_DIGEST_LENGTH) == -1) {
796 93658fb9 2020-03-18 stsp err = got_error_from_errno("imsg_compose INDEX_REQUEST");
798 93658fb9 2020-03-18 stsp return err;
800 baa9fea0 2020-03-18 stsp return flush_imsg(ibuf);
803 baa9fea0 2020-03-18 stsp const struct got_error *
804 73ab1060 2020-03-18 stsp got_privsep_send_index_pack_outfd(struct imsgbuf *ibuf, int fd)
806 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_IDXPACK_OUTFD, fd);
809 73ab1060 2020-03-18 stsp const struct got_error *
810 668a20f6 2020-03-18 stsp got_privsep_send_index_pack_progress(struct imsgbuf *ibuf, int nobj_total,
811 668a20f6 2020-03-18 stsp int nobj_indexed, int nobj_loose, int nobj_resolved)
813 baa9fea0 2020-03-18 stsp struct got_imsg_index_pack_progress iprogress;
815 668a20f6 2020-03-18 stsp iprogress.nobj_total = nobj_total;
816 668a20f6 2020-03-18 stsp iprogress.nobj_indexed = nobj_indexed;
817 668a20f6 2020-03-18 stsp iprogress.nobj_loose = nobj_loose;
818 668a20f6 2020-03-18 stsp iprogress.nobj_resolved = nobj_resolved;
820 baa9fea0 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_IDXPACK_PROGRESS, 0, 0, -1,
821 baa9fea0 2020-03-18 stsp &iprogress, sizeof(iprogress)) == -1)
822 baa9fea0 2020-03-18 stsp return got_error_from_errno("imsg_compose IDXPACK_PROGRESS");
824 93658fb9 2020-03-18 stsp return flush_imsg(ibuf);
827 93658fb9 2020-03-18 stsp const struct got_error *
828 93658fb9 2020-03-18 stsp got_privsep_send_index_pack_done(struct imsgbuf *ibuf)
830 93658fb9 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_IDXPACK_DONE, 0, 0, -1, NULL, 0) == -1)
831 93658fb9 2020-03-18 stsp return got_error_from_errno("imsg_compose FETCH");
832 93658fb9 2020-03-18 stsp return flush_imsg(ibuf);
835 93658fb9 2020-03-18 stsp const struct got_error *
836 668a20f6 2020-03-18 stsp got_privsep_recv_index_progress(int *done, int *nobj_total,
837 668a20f6 2020-03-18 stsp int *nobj_indexed, int *nobj_loose, int *nobj_resolved,
838 668a20f6 2020-03-18 stsp struct imsgbuf *ibuf)
840 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
841 93658fb9 2020-03-18 stsp struct imsg imsg;
842 baa9fea0 2020-03-18 stsp struct got_imsg_index_pack_progress *iprogress;
843 baa9fea0 2020-03-18 stsp size_t datalen;
846 668a20f6 2020-03-18 stsp *nobj_total = 0;
847 668a20f6 2020-03-18 stsp *nobj_indexed = 0;
848 668a20f6 2020-03-18 stsp *nobj_resolved = 0;
850 93658fb9 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
852 93658fb9 2020-03-18 stsp return err;
854 baa9fea0 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
855 baa9fea0 2020-03-18 stsp switch (imsg.hdr.type) {
856 baa9fea0 2020-03-18 stsp case GOT_IMSG_ERROR:
857 baa9fea0 2020-03-18 stsp if (datalen < sizeof(struct got_imsg_error)) {
858 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
861 baa9fea0 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
863 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_PROGRESS:
864 baa9fea0 2020-03-18 stsp if (datalen < sizeof(*iprogress)) {
865 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
868 baa9fea0 2020-03-18 stsp iprogress = (struct got_imsg_index_pack_progress *)imsg.data;
869 668a20f6 2020-03-18 stsp *nobj_total = iprogress->nobj_total;
870 668a20f6 2020-03-18 stsp *nobj_indexed = iprogress->nobj_indexed;
871 668a20f6 2020-03-18 stsp *nobj_loose = iprogress->nobj_loose;
872 668a20f6 2020-03-18 stsp *nobj_resolved = iprogress->nobj_resolved;
874 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_DONE:
875 baa9fea0 2020-03-18 stsp if (datalen != 0) {
876 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
882 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
886 93658fb9 2020-03-18 stsp imsg_free(&imsg);
887 baa9fea0 2020-03-18 stsp return err;
890 93658fb9 2020-03-18 stsp const struct got_error *
891 cfd633c2 2018-09-10 stsp got_privsep_get_imsg_obj(struct got_object **obj, struct imsg *imsg,
892 cfd633c2 2018-09-10 stsp struct imsgbuf *ibuf)
894 cfd633c2 2018-09-10 stsp const struct got_error *err = NULL;
895 291624d8 2018-11-07 stsp struct got_imsg_object *iobj;
896 cfd633c2 2018-09-10 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
898 291624d8 2018-11-07 stsp if (datalen != sizeof(*iobj))
899 cfd633c2 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
900 291624d8 2018-11-07 stsp iobj = imsg->data;
902 cfd633c2 2018-09-10 stsp *obj = calloc(1, sizeof(**obj));
903 cfd633c2 2018-09-10 stsp if (*obj == NULL)
904 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
906 291624d8 2018-11-07 stsp memcpy((*obj)->id.sha1, iobj->id, SHA1_DIGEST_LENGTH);
907 291624d8 2018-11-07 stsp (*obj)->type = iobj->type;
908 291624d8 2018-11-07 stsp (*obj)->flags = iobj->flags;
909 291624d8 2018-11-07 stsp (*obj)->hdrlen = iobj->hdrlen;
910 291624d8 2018-11-07 stsp (*obj)->size = iobj->size;
911 c59b3346 2018-09-11 stsp /* path_packfile is handled by caller */
912 291624d8 2018-11-07 stsp if (iobj->flags & GOT_OBJ_FLAG_PACKED) {
913 291624d8 2018-11-07 stsp (*obj)->pack_offset = iobj->pack_offset;
914 291624d8 2018-11-07 stsp (*obj)->pack_idx = iobj->pack_idx;
917 876c234b 2018-09-10 stsp return err;
920 2178c42e 2018-04-22 stsp const struct got_error *
921 2178c42e 2018-04-22 stsp got_privsep_recv_obj(struct got_object **obj, struct imsgbuf *ibuf)
923 2178c42e 2018-04-22 stsp const struct got_error *err = NULL;
924 2178c42e 2018-04-22 stsp struct imsg imsg;
925 c4eae628 2018-04-23 stsp const size_t min_datalen =
926 c4eae628 2018-04-23 stsp MIN(sizeof(struct got_imsg_error), sizeof(struct got_imsg_object));
928 2178c42e 2018-04-22 stsp *obj = NULL;
930 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
932 2178c42e 2018-04-22 stsp return err;
934 2178c42e 2018-04-22 stsp switch (imsg.hdr.type) {
935 2178c42e 2018-04-22 stsp case GOT_IMSG_OBJECT:
936 cfd633c2 2018-09-10 stsp err = got_privsep_get_imsg_obj(obj, &imsg, ibuf);
939 bff6ca00 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
943 bff6ca00 2018-04-23 stsp imsg_free(&imsg);
945 bff6ca00 2018-04-23 stsp return err;
948 c75f7264 2018-09-11 stsp static const struct got_error *
949 c75f7264 2018-09-11 stsp send_commit_logmsg(struct imsgbuf *ibuf, struct got_commit_object *commit,
950 c75f7264 2018-09-11 stsp size_t logmsg_len)
952 fa4ffeb3 2018-11-04 stsp const struct got_error *err = NULL;
953 c75f7264 2018-09-11 stsp size_t offset, remain;
955 c75f7264 2018-09-11 stsp offset = 0;
956 c75f7264 2018-09-11 stsp remain = logmsg_len;
957 c75f7264 2018-09-11 stsp while (remain > 0) {
958 c75f7264 2018-09-11 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
960 c75f7264 2018-09-11 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_LOGMSG, 0, 0, -1,
961 fa4ffeb3 2018-11-04 stsp commit->logmsg + offset, n) == -1) {
962 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose "
963 230a42bd 2019-05-11 jcs "COMMIT_LOGMSG");
967 fa4ffeb3 2018-11-04 stsp err = flush_imsg(ibuf);
971 c75f7264 2018-09-11 stsp offset += n;
972 c75f7264 2018-09-11 stsp remain -= n;
975 fa4ffeb3 2018-11-04 stsp return err;
978 bff6ca00 2018-04-23 stsp const struct got_error *
979 068fd2bf 2018-04-24 stsp got_privsep_send_commit(struct imsgbuf *ibuf, struct got_commit_object *commit)
981 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
982 b9c33926 2018-11-07 stsp struct got_imsg_commit_object *icommit;
983 bff6ca00 2018-04-23 stsp uint8_t *buf;
984 bff6ca00 2018-04-23 stsp size_t len, total;
985 79f35eb3 2018-06-11 stsp struct got_object_qid *qid;
986 b9c33926 2018-11-07 stsp size_t author_len = strlen(commit->author);
987 b9c33926 2018-11-07 stsp size_t committer_len = strlen(commit->committer);
988 c75f7264 2018-09-11 stsp size_t logmsg_len = strlen(commit->logmsg);
990 b9c33926 2018-11-07 stsp total = sizeof(*icommit) + author_len + committer_len +
991 b9c33926 2018-11-07 stsp commit->nparents * SHA1_DIGEST_LENGTH;
993 bff6ca00 2018-04-23 stsp buf = malloc(total);
994 bff6ca00 2018-04-23 stsp if (buf == NULL)
995 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
997 b9c33926 2018-11-07 stsp icommit = (struct got_imsg_commit_object *)buf;
998 a7403916 2018-12-24 stsp memcpy(icommit->tree_id, commit->tree_id->sha1,
999 a7403916 2018-12-24 stsp sizeof(icommit->tree_id));
1000 b9c33926 2018-11-07 stsp icommit->author_len = author_len;
1001 b9c33926 2018-11-07 stsp icommit->author_time = commit->author_time;
1002 b9c33926 2018-11-07 stsp icommit->author_gmtoff = commit->author_gmtoff;
1003 b9c33926 2018-11-07 stsp icommit->committer_len = committer_len;
1004 b9c33926 2018-11-07 stsp icommit->committer_time = commit->committer_time;
1005 b9c33926 2018-11-07 stsp icommit->committer_gmtoff = commit->committer_gmtoff;
1006 b9c33926 2018-11-07 stsp icommit->logmsg_len = logmsg_len;
1007 b9c33926 2018-11-07 stsp icommit->nparents = commit->nparents;
1009 b9c33926 2018-11-07 stsp len = sizeof(*icommit);
1010 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->author, author_len);
1011 b9c33926 2018-11-07 stsp len += author_len;
1012 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->committer, committer_len);
1013 b9c33926 2018-11-07 stsp len += committer_len;
1014 79f35eb3 2018-06-11 stsp SIMPLEQ_FOREACH(qid, &commit->parent_ids, entry) {
1015 79f35eb3 2018-06-11 stsp memcpy(buf + len, qid->id, SHA1_DIGEST_LENGTH);
1016 86acc566 2018-04-23 stsp len += SHA1_DIGEST_LENGTH;
1019 bff6ca00 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT, 0, 0, -1, buf, len) == -1) {
1020 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT");
1021 bff6ca00 2018-04-23 stsp goto done;
1024 904df868 2018-11-04 stsp if (logmsg_len == 0 ||
1025 904df868 2018-11-04 stsp logmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1026 904df868 2018-11-04 stsp err = flush_imsg(ibuf);
1028 904df868 2018-11-04 stsp goto done;
1030 c75f7264 2018-09-11 stsp err = send_commit_logmsg(ibuf, commit, logmsg_len);
1032 bff6ca00 2018-04-23 stsp free(buf);
1033 bff6ca00 2018-04-23 stsp return err;
1036 ca6e02ac 2020-01-07 stsp static const struct got_error *
1037 ca6e02ac 2020-01-07 stsp get_commit_from_imsg(struct got_commit_object **commit,
1038 ca6e02ac 2020-01-07 stsp struct imsg *imsg, size_t datalen, struct imsgbuf *ibuf)
1040 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1041 291624d8 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1042 ca6e02ac 2020-01-07 stsp size_t len = 0;
1045 ca6e02ac 2020-01-07 stsp if (datalen < sizeof(*icommit))
1046 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1048 ca6e02ac 2020-01-07 stsp icommit = imsg->data;
1049 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommit) + icommit->author_len +
1050 ca6e02ac 2020-01-07 stsp icommit->committer_len +
1051 ca6e02ac 2020-01-07 stsp icommit->nparents * SHA1_DIGEST_LENGTH)
1052 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1054 ca6e02ac 2020-01-07 stsp if (icommit->nparents < 0)
1055 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1057 ca6e02ac 2020-01-07 stsp len += sizeof(*icommit);
1059 ca6e02ac 2020-01-07 stsp *commit = got_object_commit_alloc_partial();
1060 ca6e02ac 2020-01-07 stsp if (*commit == NULL)
1061 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
1062 ca6e02ac 2020-01-07 stsp "got_object_commit_alloc_partial");
1064 ca6e02ac 2020-01-07 stsp memcpy((*commit)->tree_id->sha1, icommit->tree_id,
1065 ca6e02ac 2020-01-07 stsp SHA1_DIGEST_LENGTH);
1066 ca6e02ac 2020-01-07 stsp (*commit)->author_time = icommit->author_time;
1067 ca6e02ac 2020-01-07 stsp (*commit)->author_gmtoff = icommit->author_gmtoff;
1068 ca6e02ac 2020-01-07 stsp (*commit)->committer_time = icommit->committer_time;
1069 ca6e02ac 2020-01-07 stsp (*commit)->committer_gmtoff = icommit->committer_gmtoff;
1071 ca6e02ac 2020-01-07 stsp if (icommit->author_len == 0) {
1072 ca6e02ac 2020-01-07 stsp (*commit)->author = strdup("");
1073 ca6e02ac 2020-01-07 stsp if ((*commit)->author == NULL) {
1074 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1075 ca6e02ac 2020-01-07 stsp goto done;
1078 ca6e02ac 2020-01-07 stsp (*commit)->author = malloc(icommit->author_len + 1);
1079 ca6e02ac 2020-01-07 stsp if ((*commit)->author == NULL) {
1080 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1081 ca6e02ac 2020-01-07 stsp goto done;
1083 ca6e02ac 2020-01-07 stsp memcpy((*commit)->author, imsg->data + len,
1084 ca6e02ac 2020-01-07 stsp icommit->author_len);
1085 ca6e02ac 2020-01-07 stsp (*commit)->author[icommit->author_len] = '\0';
1087 ca6e02ac 2020-01-07 stsp len += icommit->author_len;
1089 ca6e02ac 2020-01-07 stsp if (icommit->committer_len == 0) {
1090 ca6e02ac 2020-01-07 stsp (*commit)->committer = strdup("");
1091 ca6e02ac 2020-01-07 stsp if ((*commit)->committer == NULL) {
1092 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1093 ca6e02ac 2020-01-07 stsp goto done;
1096 ca6e02ac 2020-01-07 stsp (*commit)->committer =
1097 ca6e02ac 2020-01-07 stsp malloc(icommit->committer_len + 1);
1098 ca6e02ac 2020-01-07 stsp if ((*commit)->committer == NULL) {
1099 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1100 ca6e02ac 2020-01-07 stsp goto done;
1102 ca6e02ac 2020-01-07 stsp memcpy((*commit)->committer, imsg->data + len,
1103 ca6e02ac 2020-01-07 stsp icommit->committer_len);
1104 ca6e02ac 2020-01-07 stsp (*commit)->committer[icommit->committer_len] = '\0';
1106 ca6e02ac 2020-01-07 stsp len += icommit->committer_len;
1108 ca6e02ac 2020-01-07 stsp if (icommit->logmsg_len == 0) {
1109 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = strdup("");
1110 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1111 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1112 ca6e02ac 2020-01-07 stsp goto done;
1115 ca6e02ac 2020-01-07 stsp size_t offset = 0, remain = icommit->logmsg_len;
1117 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = malloc(icommit->logmsg_len + 1);
1118 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1119 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1120 ca6e02ac 2020-01-07 stsp goto done;
1122 ca6e02ac 2020-01-07 stsp while (remain > 0) {
1123 ca6e02ac 2020-01-07 stsp struct imsg imsg_log;
1124 ca6e02ac 2020-01-07 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1127 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1129 ca6e02ac 2020-01-07 stsp goto done;
1131 ca6e02ac 2020-01-07 stsp if (imsg_log.hdr.type != GOT_IMSG_COMMIT_LOGMSG) {
1132 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1133 ca6e02ac 2020-01-07 stsp goto done;
1136 ca6e02ac 2020-01-07 stsp memcpy((*commit)->logmsg + offset,
1137 ca6e02ac 2020-01-07 stsp imsg_log.data, n);
1138 ca6e02ac 2020-01-07 stsp imsg_free(&imsg_log);
1139 ca6e02ac 2020-01-07 stsp offset += n;
1140 ca6e02ac 2020-01-07 stsp remain -= n;
1142 ca6e02ac 2020-01-07 stsp (*commit)->logmsg[icommit->logmsg_len] = '\0';
1145 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommit->nparents; i++) {
1146 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
1148 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
1151 ca6e02ac 2020-01-07 stsp memcpy(qid->id, imsg->data + len +
1152 ca6e02ac 2020-01-07 stsp i * SHA1_DIGEST_LENGTH, sizeof(*qid->id));
1153 ca6e02ac 2020-01-07 stsp SIMPLEQ_INSERT_TAIL(&(*commit)->parent_ids, qid, entry);
1154 ca6e02ac 2020-01-07 stsp (*commit)->nparents++;
1157 ca6e02ac 2020-01-07 stsp if (err) {
1158 ca6e02ac 2020-01-07 stsp got_object_commit_close(*commit);
1159 ca6e02ac 2020-01-07 stsp *commit = NULL;
1161 ca6e02ac 2020-01-07 stsp return err;
1164 ca6e02ac 2020-01-07 stsp const struct got_error *
1165 ca6e02ac 2020-01-07 stsp got_privsep_recv_commit(struct got_commit_object **commit, struct imsgbuf *ibuf)
1167 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
1168 ca6e02ac 2020-01-07 stsp struct imsg imsg;
1169 ca6e02ac 2020-01-07 stsp size_t datalen;
1170 ca6e02ac 2020-01-07 stsp const size_t min_datalen =
1171 ca6e02ac 2020-01-07 stsp MIN(sizeof(struct got_imsg_error),
1172 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_object));
1174 ca6e02ac 2020-01-07 stsp *commit = NULL;
1176 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1178 ca6e02ac 2020-01-07 stsp return err;
1180 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1182 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
1183 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
1184 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(commit, &imsg, datalen, ibuf);
1187 8c580685 2018-04-22 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1191 2178c42e 2018-04-22 stsp imsg_free(&imsg);
1193 e033d803 2018-04-23 stsp return err;
1196 e033d803 2018-04-23 stsp const struct got_error *
1197 3022d272 2019-11-14 stsp got_privsep_send_tree(struct imsgbuf *ibuf, struct got_pathlist_head *entries,
1198 3022d272 2019-11-14 stsp int nentries)
1200 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
1201 e033d803 2018-04-23 stsp struct got_imsg_tree_object itree;
1202 3022d272 2019-11-14 stsp struct got_pathlist_entry *pe;
1203 b00c9821 2018-11-04 stsp size_t totlen;
1204 6eb07a17 2018-11-04 stsp int nimsg; /* number of imsg queued in ibuf */
1206 3022d272 2019-11-14 stsp itree.nentries = nentries;
1207 e033d803 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_TREE, 0, 0, -1, &itree, sizeof(itree))
1209 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose TREE");
1211 b00c9821 2018-11-04 stsp totlen = sizeof(itree);
1212 6eb07a17 2018-11-04 stsp nimsg = 1;
1213 3022d272 2019-11-14 stsp TAILQ_FOREACH(pe, entries, entry) {
1214 3022d272 2019-11-14 stsp const char *name = pe->path;
1215 3022d272 2019-11-14 stsp struct got_parsed_tree_entry *pte = pe->data;
1216 3022d272 2019-11-14 stsp struct ibuf *wbuf;
1217 3022d272 2019-11-14 stsp size_t namelen = strlen(name);
1218 cd9e913a 2019-11-27 stsp size_t len = sizeof(struct got_imsg_tree_entry) + namelen;
1220 e033d803 2018-04-23 stsp if (len > MAX_IMSGSIZE)
1221 e033d803 2018-04-23 stsp return got_error(GOT_ERR_NO_SPACE);
1224 6eb07a17 2018-11-04 stsp if (totlen + len >= MAX_IMSGSIZE - (IMSG_HEADER_SIZE * nimsg)) {
1225 b00c9821 2018-11-04 stsp err = flush_imsg(ibuf);
1227 b00c9821 2018-11-04 stsp return err;
1228 6eb07a17 2018-11-04 stsp nimsg = 0;
1231 3022d272 2019-11-14 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_ENTRY, 0, 0, len);
1232 3022d272 2019-11-14 stsp if (wbuf == NULL)
1233 3022d272 2019-11-14 stsp return got_error_from_errno("imsg_create TREE_ENTRY");
1235 3022d272 2019-11-14 stsp /* Keep in sync with struct got_imsg_tree_object definition! */
1236 3b647085 2019-11-23 stsp if (imsg_add(wbuf, pte->id, SHA1_DIGEST_LENGTH) == -1) {
1237 3022d272 2019-11-14 stsp err = got_error_from_errno("imsg_add TREE_ENTRY");
1238 3b647085 2019-11-23 stsp ibuf_free(wbuf);
1239 e033d803 2018-04-23 stsp return err;
1241 3b647085 2019-11-23 stsp if (imsg_add(wbuf, &pte->mode, sizeof(pte->mode)) == -1) {
1242 3022d272 2019-11-14 stsp err = got_error_from_errno("imsg_add TREE_ENTRY");
1243 3b647085 2019-11-23 stsp ibuf_free(wbuf);
1244 3022d272 2019-11-14 stsp return err;
1247 3b647085 2019-11-23 stsp if (imsg_add(wbuf, name, namelen) == -1) {
1248 3022d272 2019-11-14 stsp err = got_error_from_errno("imsg_add TREE_ENTRY");
1249 3b647085 2019-11-23 stsp ibuf_free(wbuf);
1250 3022d272 2019-11-14 stsp return err;
1253 3022d272 2019-11-14 stsp wbuf->fd = -1;
1254 3022d272 2019-11-14 stsp imsg_close(ibuf, wbuf);
1256 b00c9821 2018-11-04 stsp totlen += len;
1259 b00c9821 2018-11-04 stsp return flush_imsg(ibuf);
1262 e033d803 2018-04-23 stsp const struct got_error *
1263 068fd2bf 2018-04-24 stsp got_privsep_recv_tree(struct got_tree_object **tree, struct imsgbuf *ibuf)
1265 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
1266 e033d803 2018-04-23 stsp const size_t min_datalen =
1267 e033d803 2018-04-23 stsp MIN(sizeof(struct got_imsg_error),
1268 e033d803 2018-04-23 stsp sizeof(struct got_imsg_tree_object));
1269 291624d8 2018-11-07 stsp struct got_imsg_tree_object *itree;
1270 e033d803 2018-04-23 stsp int nentries = 0;
1272 e033d803 2018-04-23 stsp *tree = NULL;
1274 e033d803 2018-04-23 stsp err = read_imsg(ibuf);
1276 1e51f5b9 2018-04-23 stsp goto done;
1279 e033d803 2018-04-23 stsp struct imsg imsg;
1281 e033d803 2018-04-23 stsp size_t datalen;
1282 c0588d8d 2018-11-07 stsp struct got_imsg_tree_entry *ite;
1283 e033d803 2018-04-23 stsp struct got_tree_entry *te = NULL;
1285 e033d803 2018-04-23 stsp n = imsg_get(ibuf, &imsg);
1286 e033d803 2018-04-23 stsp if (n == 0) {
1287 56e0773d 2019-11-28 stsp if (*tree && (*tree)->nentries != nentries)
1288 e033d803 2018-04-23 stsp goto get_more;
1292 e033d803 2018-04-23 stsp if (imsg.hdr.len < IMSG_HEADER_SIZE + min_datalen)
1293 e033d803 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1295 e033d803 2018-04-23 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1297 e033d803 2018-04-23 stsp switch (imsg.hdr.type) {
1298 e033d803 2018-04-23 stsp case GOT_IMSG_ERROR:
1299 e033d803 2018-04-23 stsp err = recv_imsg_error(&imsg, datalen);
1301 e033d803 2018-04-23 stsp case GOT_IMSG_TREE:
1302 e033d803 2018-04-23 stsp /* This message should only appear once. */
1303 e033d803 2018-04-23 stsp if (*tree != NULL) {
1304 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1307 291624d8 2018-11-07 stsp if (datalen != sizeof(*itree)) {
1308 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1311 291624d8 2018-11-07 stsp itree = imsg.data;
1312 c3b78ecc 2018-11-07 stsp *tree = malloc(sizeof(**tree));
1313 e033d803 2018-04-23 stsp if (*tree == NULL) {
1314 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1317 56e0773d 2019-11-28 stsp (*tree)->entries = calloc(itree->nentries,
1318 56e0773d 2019-11-28 stsp sizeof(struct got_tree_entry));
1319 56e0773d 2019-11-28 stsp if ((*tree)->entries == NULL) {
1320 56e0773d 2019-11-28 stsp err = got_error_from_errno("malloc");
1323 56e0773d 2019-11-28 stsp (*tree)->nentries = itree->nentries;
1324 c3b78ecc 2018-11-07 stsp (*tree)->refcnt = 0;
1326 e033d803 2018-04-23 stsp case GOT_IMSG_TREE_ENTRY:
1327 e033d803 2018-04-23 stsp /* This message should be preceeded by GOT_IMSG_TREE. */
1328 e033d803 2018-04-23 stsp if (*tree == NULL) {
1329 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1332 c0588d8d 2018-11-07 stsp if (datalen < sizeof(*ite) || datalen > MAX_IMSGSIZE) {
1333 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1337 e033d803 2018-04-23 stsp /* Remaining data contains the entry's name. */
1338 c0588d8d 2018-11-07 stsp datalen -= sizeof(*ite);
1339 e033d803 2018-04-23 stsp if (datalen == 0 || datalen > MAX_IMSGSIZE) {
1340 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1343 c0588d8d 2018-11-07 stsp ite = imsg.data;
1345 56e0773d 2019-11-28 stsp if (datalen + 1 > sizeof(te->name)) {
1346 56e0773d 2019-11-28 stsp err = got_error(GOT_ERR_NO_SPACE);
1349 56e0773d 2019-11-28 stsp te = &(*tree)->entries[nentries];
1350 c0588d8d 2018-11-07 stsp memcpy(te->name, imsg.data + sizeof(*ite), datalen);
1351 e033d803 2018-04-23 stsp te->name[datalen] = '\0';
1353 56e0773d 2019-11-28 stsp memcpy(te->id.sha1, ite->id, SHA1_DIGEST_LENGTH);
1354 c0588d8d 2018-11-07 stsp te->mode = ite->mode;
1355 56e0773d 2019-11-28 stsp te->idx = nentries;
1356 e033d803 2018-04-23 stsp nentries++;
1359 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1363 e033d803 2018-04-23 stsp imsg_free(&imsg);
1366 56e0773d 2019-11-28 stsp if (*tree && (*tree)->nentries != nentries) {
1367 1e51f5b9 2018-04-23 stsp if (err == NULL)
1368 1e51f5b9 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1369 e033d803 2018-04-23 stsp got_object_tree_close(*tree);
1370 e033d803 2018-04-23 stsp *tree = NULL;
1373 ff6b18f8 2018-04-24 stsp return err;
1376 ff6b18f8 2018-04-24 stsp const struct got_error *
1377 ac544f8c 2019-01-13 stsp got_privsep_send_blob(struct imsgbuf *ibuf, size_t size, size_t hdrlen,
1378 ac544f8c 2019-01-13 stsp const uint8_t *data)
1380 2967a784 2018-04-24 stsp struct got_imsg_blob iblob;
1382 2967a784 2018-04-24 stsp iblob.size = size;
1383 ebc55e2d 2018-12-24 stsp iblob.hdrlen = hdrlen;
1385 ac544f8c 2019-01-13 stsp if (data) {
1386 ac544f8c 2019-01-13 stsp uint8_t *buf;
1388 ac544f8c 2019-01-13 stsp if (size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX)
1389 ac544f8c 2019-01-13 stsp return got_error(GOT_ERR_NO_SPACE);
1391 ac544f8c 2019-01-13 stsp buf = malloc(sizeof(iblob) + size);
1392 ac544f8c 2019-01-13 stsp if (buf == NULL)
1393 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1395 ac544f8c 2019-01-13 stsp memcpy(buf, &iblob, sizeof(iblob));
1396 ac544f8c 2019-01-13 stsp memcpy(buf + sizeof(iblob), data, size);
1397 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, buf,
1398 ac544f8c 2019-01-13 stsp sizeof(iblob) + size) == -1) {
1399 ac544f8c 2019-01-13 stsp free(buf);
1400 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1402 ac544f8c 2019-01-13 stsp free(buf);
1404 ac544f8c 2019-01-13 stsp /* Data has already been written to file descriptor. */
1405 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, &iblob,
1406 ac544f8c 2019-01-13 stsp sizeof(iblob)) == -1)
1407 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1411 ff6b18f8 2018-04-24 stsp return flush_imsg(ibuf);
1414 ff6b18f8 2018-04-24 stsp const struct got_error *
1415 ac544f8c 2019-01-13 stsp got_privsep_recv_blob(uint8_t **outbuf, size_t *size, size_t *hdrlen,
1416 ac544f8c 2019-01-13 stsp struct imsgbuf *ibuf)
1418 ff6b18f8 2018-04-24 stsp const struct got_error *err = NULL;
1419 ff6b18f8 2018-04-24 stsp struct imsg imsg;
1420 291624d8 2018-11-07 stsp struct got_imsg_blob *iblob;
1421 ff6b18f8 2018-04-24 stsp size_t datalen;
1423 ac544f8c 2019-01-13 stsp *outbuf = NULL;
1425 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1427 ff6b18f8 2018-04-24 stsp return err;
1429 ff6b18f8 2018-04-24 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1431 ff6b18f8 2018-04-24 stsp switch (imsg.hdr.type) {
1432 ff6b18f8 2018-04-24 stsp case GOT_IMSG_BLOB:
1433 ac544f8c 2019-01-13 stsp if (datalen < sizeof(*iblob)) {
1434 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1437 291624d8 2018-11-07 stsp iblob = imsg.data;
1438 291624d8 2018-11-07 stsp *size = iblob->size;
1439 ebc55e2d 2018-12-24 stsp *hdrlen = iblob->hdrlen;
1441 ac544f8c 2019-01-13 stsp if (datalen == sizeof(*iblob)) {
1442 ac544f8c 2019-01-13 stsp /* Data has been written to file descriptor. */
1446 ac544f8c 2019-01-13 stsp if (*size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX) {
1447 ac544f8c 2019-01-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1451 ac544f8c 2019-01-13 stsp *outbuf = malloc(*size);
1452 ac544f8c 2019-01-13 stsp if (*outbuf == NULL) {
1453 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1456 ac544f8c 2019-01-13 stsp memcpy(*outbuf, imsg.data + sizeof(*iblob), *size);
1459 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1463 f4a881ce 2018-11-17 stsp imsg_free(&imsg);
1465 f4a881ce 2018-11-17 stsp return err;
1468 f4a881ce 2018-11-17 stsp static const struct got_error *
1469 f4a881ce 2018-11-17 stsp send_tagmsg(struct imsgbuf *ibuf, struct got_tag_object *tag, size_t tagmsg_len)
1471 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1472 f4a881ce 2018-11-17 stsp size_t offset, remain;
1474 f4a881ce 2018-11-17 stsp offset = 0;
1475 f4a881ce 2018-11-17 stsp remain = tagmsg_len;
1476 f4a881ce 2018-11-17 stsp while (remain > 0) {
1477 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1479 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_TAGMSG, 0, 0, -1,
1480 f4a881ce 2018-11-17 stsp tag->tagmsg + offset, n) == -1) {
1481 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG_TAGMSG");
1485 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1489 f4a881ce 2018-11-17 stsp offset += n;
1490 f4a881ce 2018-11-17 stsp remain -= n;
1493 f4a881ce 2018-11-17 stsp return err;
1496 f4a881ce 2018-11-17 stsp const struct got_error *
1497 f4a881ce 2018-11-17 stsp got_privsep_send_tag(struct imsgbuf *ibuf, struct got_tag_object *tag)
1499 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1500 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1501 f4a881ce 2018-11-17 stsp uint8_t *buf;
1502 f4a881ce 2018-11-17 stsp size_t len, total;
1503 f4a881ce 2018-11-17 stsp size_t tag_len = strlen(tag->tag);
1504 f4a881ce 2018-11-17 stsp size_t tagger_len = strlen(tag->tagger);
1505 f4a881ce 2018-11-17 stsp size_t tagmsg_len = strlen(tag->tagmsg);
1507 f4a881ce 2018-11-17 stsp total = sizeof(*itag) + tag_len + tagger_len + tagmsg_len;
1509 f4a881ce 2018-11-17 stsp buf = malloc(total);
1510 f4a881ce 2018-11-17 stsp if (buf == NULL)
1511 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1513 f4a881ce 2018-11-17 stsp itag = (struct got_imsg_tag_object *)buf;
1514 f4a881ce 2018-11-17 stsp memcpy(itag->id, tag->id.sha1, sizeof(itag->id));
1515 f4a881ce 2018-11-17 stsp itag->obj_type = tag->obj_type;
1516 f4a881ce 2018-11-17 stsp itag->tag_len = tag_len;
1517 f4a881ce 2018-11-17 stsp itag->tagger_len = tagger_len;
1518 f4a881ce 2018-11-17 stsp itag->tagger_time = tag->tagger_time;
1519 f4a881ce 2018-11-17 stsp itag->tagger_gmtoff = tag->tagger_gmtoff;
1520 f4a881ce 2018-11-17 stsp itag->tagmsg_len = tagmsg_len;
1522 f4a881ce 2018-11-17 stsp len = sizeof(*itag);
1523 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tag, tag_len);
1524 f4a881ce 2018-11-17 stsp len += tag_len;
1525 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tagger, tagger_len);
1526 f4a881ce 2018-11-17 stsp len += tagger_len;
1528 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG, 0, 0, -1, buf, len) == -1) {
1529 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG");
1530 f4a881ce 2018-11-17 stsp goto done;
1533 f4a881ce 2018-11-17 stsp if (tagmsg_len == 0 ||
1534 f4a881ce 2018-11-17 stsp tagmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1535 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1537 f4a881ce 2018-11-17 stsp goto done;
1539 f4a881ce 2018-11-17 stsp err = send_tagmsg(ibuf, tag, tagmsg_len);
1541 f4a881ce 2018-11-17 stsp free(buf);
1542 f4a881ce 2018-11-17 stsp return err;
1545 f4a881ce 2018-11-17 stsp const struct got_error *
1546 f4a881ce 2018-11-17 stsp got_privsep_recv_tag(struct got_tag_object **tag, struct imsgbuf *ibuf)
1548 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1549 f4a881ce 2018-11-17 stsp struct imsg imsg;
1550 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1551 f4a881ce 2018-11-17 stsp size_t len, datalen;
1552 f4a881ce 2018-11-17 stsp const size_t min_datalen =
1553 f4a881ce 2018-11-17 stsp MIN(sizeof(struct got_imsg_error),
1554 f4a881ce 2018-11-17 stsp sizeof(struct got_imsg_tag_object));
1556 f4a881ce 2018-11-17 stsp *tag = NULL;
1558 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1560 f4a881ce 2018-11-17 stsp return err;
1562 f4a881ce 2018-11-17 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1565 f4a881ce 2018-11-17 stsp switch (imsg.hdr.type) {
1566 f4a881ce 2018-11-17 stsp case GOT_IMSG_TAG:
1567 f4a881ce 2018-11-17 stsp if (datalen < sizeof(*itag)) {
1568 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1571 f4a881ce 2018-11-17 stsp itag = imsg.data;
1572 f4a881ce 2018-11-17 stsp if (datalen != sizeof(*itag) + itag->tag_len +
1573 f4a881ce 2018-11-17 stsp itag->tagger_len) {
1574 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1577 f4a881ce 2018-11-17 stsp len += sizeof(*itag);
1579 f4a881ce 2018-11-17 stsp *tag = calloc(1, sizeof(**tag));
1580 f4a881ce 2018-11-17 stsp if (*tag == NULL) {
1581 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
1585 f4a881ce 2018-11-17 stsp memcpy((*tag)->id.sha1, itag->id, SHA1_DIGEST_LENGTH);
1587 f4a881ce 2018-11-17 stsp if (itag->tag_len == 0) {
1588 f4a881ce 2018-11-17 stsp (*tag)->tag = strdup("");
1589 f4a881ce 2018-11-17 stsp if ((*tag)->tag == NULL) {
1590 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1594 f4a881ce 2018-11-17 stsp (*tag)->tag = malloc(itag->tag_len + 1);
1595 f4a881ce 2018-11-17 stsp if ((*tag)->tag == NULL) {
1596 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1599 f4a881ce 2018-11-17 stsp memcpy((*tag)->tag, imsg.data + len,
1600 f4a881ce 2018-11-17 stsp itag->tag_len);
1601 f4a881ce 2018-11-17 stsp (*tag)->tag[itag->tag_len] = '\0';
1603 f4a881ce 2018-11-17 stsp len += itag->tag_len;
1605 f4a881ce 2018-11-17 stsp (*tag)->obj_type = itag->obj_type;
1606 f4a881ce 2018-11-17 stsp (*tag)->tagger_time = itag->tagger_time;
1607 f4a881ce 2018-11-17 stsp (*tag)->tagger_gmtoff = itag->tagger_gmtoff;
1609 f4a881ce 2018-11-17 stsp if (itag->tagger_len == 0) {
1610 f4a881ce 2018-11-17 stsp (*tag)->tagger = strdup("");
1611 f4a881ce 2018-11-17 stsp if ((*tag)->tagger == NULL) {
1612 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1616 f4a881ce 2018-11-17 stsp (*tag)->tagger = malloc(itag->tagger_len + 1);
1617 f4a881ce 2018-11-17 stsp if ((*tag)->tagger == NULL) {
1618 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1621 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagger, imsg.data + len,
1622 f4a881ce 2018-11-17 stsp itag->tagger_len);
1623 f4a881ce 2018-11-17 stsp (*tag)->tagger[itag->tagger_len] = '\0';
1625 f4a881ce 2018-11-17 stsp len += itag->tagger_len;
1627 f4a881ce 2018-11-17 stsp if (itag->tagmsg_len == 0) {
1628 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = strdup("");
1629 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1630 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1634 f4a881ce 2018-11-17 stsp size_t offset = 0, remain = itag->tagmsg_len;
1636 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = malloc(itag->tagmsg_len + 1);
1637 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1638 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1641 f4a881ce 2018-11-17 stsp while (remain > 0) {
1642 f4a881ce 2018-11-17 stsp struct imsg imsg_log;
1643 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1646 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1648 f4a881ce 2018-11-17 stsp return err;
1650 f4a881ce 2018-11-17 stsp if (imsg_log.hdr.type != GOT_IMSG_TAG_TAGMSG)
1651 f4a881ce 2018-11-17 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
1653 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagmsg + offset, imsg_log.data,
1655 f4a881ce 2018-11-17 stsp imsg_free(&imsg_log);
1656 f4a881ce 2018-11-17 stsp offset += n;
1657 f4a881ce 2018-11-17 stsp remain -= n;
1659 f4a881ce 2018-11-17 stsp (*tag)->tagmsg[itag->tagmsg_len] = '\0';
1664 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1668 ff6b18f8 2018-04-24 stsp imsg_free(&imsg);
1670 2178c42e 2018-04-22 stsp return err;
1673 876c234b 2018-09-10 stsp const struct got_error *
1674 876c234b 2018-09-10 stsp got_privsep_init_pack_child(struct imsgbuf *ibuf, struct got_pack *pack,
1675 876c234b 2018-09-10 stsp struct got_packidx *packidx)
1677 41496140 2019-02-21 stsp const struct got_error *err = NULL;
1678 876c234b 2018-09-10 stsp struct got_imsg_packidx ipackidx;
1679 876c234b 2018-09-10 stsp struct got_imsg_pack ipack;
1682 876c234b 2018-09-10 stsp ipackidx.len = packidx->len;
1683 876c234b 2018-09-10 stsp fd = dup(packidx->fd);
1684 876c234b 2018-09-10 stsp if (fd == -1)
1685 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1687 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKIDX, 0, 0, fd, &ipackidx,
1688 41496140 2019-02-21 stsp sizeof(ipackidx)) == -1) {
1689 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACKIDX");
1690 41496140 2019-02-21 stsp close(fd);
1691 41496140 2019-02-21 stsp return err;
1694 876c234b 2018-09-10 stsp if (strlcpy(ipack.path_packfile, pack->path_packfile,
1695 876c234b 2018-09-10 stsp sizeof(ipack.path_packfile)) >= sizeof(ipack.path_packfile))
1696 876c234b 2018-09-10 stsp return got_error(GOT_ERR_NO_SPACE);
1697 876c234b 2018-09-10 stsp ipack.filesize = pack->filesize;
1699 876c234b 2018-09-10 stsp fd = dup(pack->fd);
1700 876c234b 2018-09-10 stsp if (fd == -1)
1701 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1703 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACK, 0, 0, fd, &ipack, sizeof(ipack))
1705 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACK");
1706 41496140 2019-02-21 stsp close(fd);
1707 41496140 2019-02-21 stsp return err;
1710 876c234b 2018-09-10 stsp return flush_imsg(ibuf);
1713 876c234b 2018-09-10 stsp const struct got_error *
1714 106807b4 2018-09-15 stsp got_privsep_send_packed_obj_req(struct imsgbuf *ibuf, int idx,
1715 106807b4 2018-09-15 stsp struct got_object_id *id)
1717 876c234b 2018-09-10 stsp struct got_imsg_packed_object iobj;
1719 876c234b 2018-09-10 stsp iobj.idx = idx;
1720 106807b4 2018-09-15 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
1722 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_OBJECT_REQUEST, 0, 0, -1,
1723 876c234b 2018-09-10 stsp &iobj, sizeof(iobj)) == -1)
1724 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose "
1725 230a42bd 2019-05-11 jcs "PACKED_OBJECT_REQUEST");
1727 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1730 aba9c984 2019-09-08 stsp const struct got_error *
1731 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_parse_req(struct imsgbuf *ibuf, int fd)
1733 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
1735 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_PARSE_REQUEST, 0, 0, fd,
1736 aba9c984 2019-09-08 stsp NULL, 0) == -1) {
1737 aba9c984 2019-09-08 stsp err = got_error_from_errno("imsg_compose "
1738 aba9c984 2019-09-08 stsp "GITCONFIG_PARSE_REQUEST");
1739 aba9c984 2019-09-08 stsp close(fd);
1740 aba9c984 2019-09-08 stsp return err;
1743 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1746 aba9c984 2019-09-08 stsp const struct got_error *
1747 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_repository_format_version_req(struct imsgbuf *ibuf)
1749 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
1750 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST, 0, 0, -1,
1751 aba9c984 2019-09-08 stsp NULL, 0) == -1)
1752 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
1753 aba9c984 2019-09-08 stsp "GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST");
1755 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1758 aba9c984 2019-09-08 stsp const struct got_error *
1759 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_name_req(struct imsgbuf *ibuf)
1761 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
1762 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_NAME_REQUEST, 0, 0, -1, NULL, 0) == -1)
1763 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
1764 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_NAME_REQUEST");
1766 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1769 aba9c984 2019-09-08 stsp const struct got_error *
1770 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_email_req(struct imsgbuf *ibuf)
1772 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
1773 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_EMAIL_REQUEST, 0, 0, -1, NULL, 0) == -1)
1774 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
1775 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_EMAIL_REQUEST");
1777 cd95becd 2019-11-29 stsp return flush_imsg(ibuf);
1780 cd95becd 2019-11-29 stsp const struct got_error *
1781 cd95becd 2019-11-29 stsp got_privsep_send_gitconfig_remotes_req(struct imsgbuf *ibuf)
1783 cd95becd 2019-11-29 stsp if (imsg_compose(ibuf,
1784 cd95becd 2019-11-29 stsp GOT_IMSG_GITCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
1785 cd95becd 2019-11-29 stsp return got_error_from_errno("imsg_compose "
1786 cd95becd 2019-11-29 stsp "GITCONFIG_REMOTE_REQUEST");
1788 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1791 aba9c984 2019-09-08 stsp const struct got_error *
1792 9a1cc63f 2020-02-03 stsp got_privsep_send_gitconfig_owner_req(struct imsgbuf *ibuf)
1794 9a1cc63f 2020-02-03 stsp if (imsg_compose(ibuf,
1795 9a1cc63f 2020-02-03 stsp GOT_IMSG_GITCONFIG_OWNER_REQUEST, 0, 0, -1, NULL, 0) == -1)
1796 9a1cc63f 2020-02-03 stsp return got_error_from_errno("imsg_compose "
1797 9a1cc63f 2020-02-03 stsp "GITCONFIG_OWNER_REQUEST");
1799 9a1cc63f 2020-02-03 stsp return flush_imsg(ibuf);
1802 9a1cc63f 2020-02-03 stsp const struct got_error *
1803 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_str(struct imsgbuf *ibuf, const char *value)
1805 aba9c984 2019-09-08 stsp size_t len = value ? strlen(value) + 1 : 0;
1807 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_STR_VAL, 0, 0, -1,
1808 aba9c984 2019-09-08 stsp value, len) == -1)
1809 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose GITCONFIG_STR_VAL");
1811 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1814 aba9c984 2019-09-08 stsp const struct got_error *
1815 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_str(char **str, struct imsgbuf *ibuf)
1817 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
1818 aba9c984 2019-09-08 stsp struct imsg imsg;
1819 aba9c984 2019-09-08 stsp size_t datalen;
1820 aba9c984 2019-09-08 stsp const size_t min_datalen = 0;
1822 aba9c984 2019-09-08 stsp *str = NULL;
1824 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1826 aba9c984 2019-09-08 stsp return err;
1827 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1829 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
1830 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_STR_VAL:
1831 aba9c984 2019-09-08 stsp if (datalen == 0)
1833 aba9c984 2019-09-08 stsp *str = malloc(datalen);
1834 aba9c984 2019-09-08 stsp if (*str == NULL) {
1835 aba9c984 2019-09-08 stsp err = got_error_from_errno("malloc");
1838 aba9c984 2019-09-08 stsp if (strlcpy(*str, imsg.data, datalen) >= datalen)
1839 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_NO_SPACE);
1842 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1846 aba9c984 2019-09-08 stsp imsg_free(&imsg);
1847 aba9c984 2019-09-08 stsp return err;
1850 aba9c984 2019-09-08 stsp const struct got_error *
1851 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_int(struct imsgbuf *ibuf, int value)
1853 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_INT_VAL, 0, 0, -1,
1854 aba9c984 2019-09-08 stsp &value, sizeof(value)) == -1)
1855 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose GITCONFIG_INT_VAL");
1857 876c234b 2018-09-10 stsp return flush_imsg(ibuf);
1860 63219cd2 2019-01-04 stsp const struct got_error *
1861 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_int(int *val, struct imsgbuf *ibuf)
1863 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
1864 aba9c984 2019-09-08 stsp struct imsg imsg;
1865 aba9c984 2019-09-08 stsp size_t datalen;
1866 aba9c984 2019-09-08 stsp const size_t min_datalen =
1867 aba9c984 2019-09-08 stsp MIN(sizeof(struct got_imsg_error), sizeof(int));
1871 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1873 aba9c984 2019-09-08 stsp return err;
1874 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1876 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
1877 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_INT_VAL:
1878 aba9c984 2019-09-08 stsp if (datalen != sizeof(*val)) {
1879 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1882 aba9c984 2019-09-08 stsp memcpy(val, imsg.data, sizeof(*val));
1885 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1889 cd95becd 2019-11-29 stsp imsg_free(&imsg);
1890 cd95becd 2019-11-29 stsp return err;
1893 cd95becd 2019-11-29 stsp const struct got_error *
1894 cd95becd 2019-11-29 stsp got_privsep_send_gitconfig_remotes(struct imsgbuf *ibuf,
1895 cd95becd 2019-11-29 stsp struct got_remote_repo *remotes, int nremotes)
1897 cd95becd 2019-11-29 stsp const struct got_error *err = NULL;
1898 cd95becd 2019-11-29 stsp struct got_imsg_remotes iremotes;
1901 cd95becd 2019-11-29 stsp iremotes.nremotes = nremotes;
1902 cd95becd 2019-11-29 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_REMOTES, 0, 0, -1,
1903 cd95becd 2019-11-29 stsp &iremotes, sizeof(iremotes)) == -1)
1904 cd95becd 2019-11-29 stsp return got_error_from_errno("imsg_compose GITCONFIG_REMOTES");
1906 cd95becd 2019-11-29 stsp err = flush_imsg(ibuf);
1907 cd95becd 2019-11-29 stsp imsg_clear(ibuf);
1909 cd95becd 2019-11-29 stsp return err;
1911 cd95becd 2019-11-29 stsp for (i = 0; i < nremotes; i++) {
1912 cd95becd 2019-11-29 stsp struct got_imsg_remote iremote;
1913 cd95becd 2019-11-29 stsp size_t len = sizeof(iremote);
1914 cd95becd 2019-11-29 stsp struct ibuf *wbuf;
1916 fe6043b8 2020-03-20 stsp iremote.mirror_references = remotes[i].mirror_references;
1917 cd95becd 2019-11-29 stsp iremote.name_len = strlen(remotes[i].name);
1918 cd95becd 2019-11-29 stsp len += iremote.name_len;
1919 cd95becd 2019-11-29 stsp iremote.url_len = strlen(remotes[i].url);
1920 cd95becd 2019-11-29 stsp len += iremote.url_len;
1922 cd95becd 2019-11-29 stsp wbuf = imsg_create(ibuf, GOT_IMSG_GITCONFIG_REMOTE, 0, 0, len);
1923 cd95becd 2019-11-29 stsp if (wbuf == NULL)
1924 cd95becd 2019-11-29 stsp return got_error_from_errno(
1925 cd95becd 2019-11-29 stsp "imsg_create GITCONFIG_REMOTE");
1927 cd95becd 2019-11-29 stsp if (imsg_add(wbuf, &iremote, sizeof(iremote)) == -1) {
1928 cd95becd 2019-11-29 stsp err = got_error_from_errno(
1929 b364b1c2 2020-03-20 stsp "imsg_add GITCONFIG_REMOTE");
1930 cd95becd 2019-11-29 stsp ibuf_free(wbuf);
1931 cd95becd 2019-11-29 stsp return err;
1934 cd95becd 2019-11-29 stsp if (imsg_add(wbuf, remotes[i].name, iremote.name_len) == -1) {
1935 cd95becd 2019-11-29 stsp err = got_error_from_errno(
1936 b364b1c2 2020-03-20 stsp "imsg_add GITCONFIG_REMOTE");
1937 cd95becd 2019-11-29 stsp ibuf_free(wbuf);
1938 cd95becd 2019-11-29 stsp return err;
1940 cd95becd 2019-11-29 stsp if (imsg_add(wbuf, remotes[i].url, iremote.url_len) == -1) {
1941 cd95becd 2019-11-29 stsp err = got_error_from_errno(
1942 b364b1c2 2020-03-20 stsp "imsg_add GITCONFIG_REMOTE");
1943 cd95becd 2019-11-29 stsp ibuf_free(wbuf);
1944 cd95becd 2019-11-29 stsp return err;
1947 cd95becd 2019-11-29 stsp wbuf->fd = -1;
1948 cd95becd 2019-11-29 stsp imsg_close(ibuf, wbuf);
1949 cd95becd 2019-11-29 stsp err = flush_imsg(ibuf);
1951 cd95becd 2019-11-29 stsp return err;
1954 cd95becd 2019-11-29 stsp return NULL;
1957 cd95becd 2019-11-29 stsp const struct got_error *
1958 cd95becd 2019-11-29 stsp got_privsep_recv_gitconfig_remotes(struct got_remote_repo **remotes,
1959 cd95becd 2019-11-29 stsp int *nremotes, struct imsgbuf *ibuf)
1961 cd95becd 2019-11-29 stsp const struct got_error *err = NULL;
1962 cd95becd 2019-11-29 stsp struct imsg imsg;
1963 cd95becd 2019-11-29 stsp size_t datalen;
1964 cd95becd 2019-11-29 stsp struct got_imsg_remotes iremotes;
1965 cd95becd 2019-11-29 stsp struct got_imsg_remote iremote;
1967 cd95becd 2019-11-29 stsp *remotes = NULL;
1968 cd95becd 2019-11-29 stsp *nremotes = 0;
1969 d669b9c9 2020-02-22 stsp iremotes.nremotes = 0;
1971 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremotes));
1973 cd95becd 2019-11-29 stsp return err;
1974 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1976 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
1977 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTES:
1978 cd95becd 2019-11-29 stsp if (datalen != sizeof(iremotes)) {
1979 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1982 cd95becd 2019-11-29 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
1983 cd95becd 2019-11-29 stsp if (iremotes.nremotes == 0) {
1984 cd95becd 2019-11-29 stsp imsg_free(&imsg);
1985 cd95becd 2019-11-29 stsp return NULL;
1989 54b1c5b5 2020-02-22 stsp imsg_free(&imsg);
1990 54b1c5b5 2020-02-22 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
1993 aba9c984 2019-09-08 stsp imsg_free(&imsg);
1995 5146eb39 2020-03-20 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
1996 cd95becd 2019-11-29 stsp if (*remotes == NULL)
1997 cd95becd 2019-11-29 stsp return got_error_from_errno("recallocarray");
1999 cd95becd 2019-11-29 stsp while (*nremotes < iremotes.nremotes) {
2000 cd95becd 2019-11-29 stsp struct got_remote_repo *remote;
2002 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremote));
2005 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2007 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2008 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTE:
2009 cd95becd 2019-11-29 stsp remote = &(*remotes)[*nremotes];
2010 cd95becd 2019-11-29 stsp if (datalen < sizeof(iremote)) {
2011 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2014 cd95becd 2019-11-29 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2015 cd95becd 2019-11-29 stsp if (iremote.name_len == 0 || iremote.url_len == 0 ||
2016 cd95becd 2019-11-29 stsp (sizeof(iremote) + iremote.name_len +
2017 cd95becd 2019-11-29 stsp iremote.url_len) > datalen) {
2018 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2021 cd95becd 2019-11-29 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2022 cd95becd 2019-11-29 stsp iremote.name_len);
2023 cd95becd 2019-11-29 stsp if (remote->name == NULL) {
2024 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2027 cd95becd 2019-11-29 stsp remote->url = strndup(imsg.data + sizeof(iremote) +
2028 cd95becd 2019-11-29 stsp iremote.name_len, iremote.url_len);
2029 cd95becd 2019-11-29 stsp if (remote->url == NULL) {
2030 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2031 cd95becd 2019-11-29 stsp free(remote->name);
2034 469dd726 2020-03-20 stsp remote->mirror_references = iremote.mirror_references;
2035 cd95becd 2019-11-29 stsp (*nremotes)++;
2038 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2042 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2047 cd95becd 2019-11-29 stsp if (err) {
2049 cd95becd 2019-11-29 stsp for (i = 0; i < *nremotes; i++) {
2050 cd95becd 2019-11-29 stsp free((*remotes)[i].name);
2051 cd95becd 2019-11-29 stsp free((*remotes)[i].url);
2053 cd95becd 2019-11-29 stsp free(*remotes);
2054 cd95becd 2019-11-29 stsp *remotes = NULL;
2055 cd95becd 2019-11-29 stsp *nremotes = 0;
2057 aba9c984 2019-09-08 stsp return err;
2060 ca6e02ac 2020-01-07 stsp const struct got_error *
2061 ca6e02ac 2020-01-07 stsp got_privsep_send_commit_traversal_request(struct imsgbuf *ibuf,
2062 ca6e02ac 2020-01-07 stsp struct got_object_id *id, int idx, const char *path)
2064 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
2065 ca6e02ac 2020-01-07 stsp struct ibuf *wbuf;
2066 ca6e02ac 2020-01-07 stsp size_t path_len = strlen(path) + 1;
2068 ca6e02ac 2020-01-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_COMMIT_TRAVERSAL_REQUEST, 0, 0,
2069 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_traversal_request) + path_len);
2070 ca6e02ac 2020-01-07 stsp if (wbuf == NULL)
2071 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
2072 ca6e02ac 2020-01-07 stsp "imsg_create COMMIT_TRAVERSAL_REQUEST");
2073 ca6e02ac 2020-01-07 stsp if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1) {
2074 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("imsg_add COMMIT_TRAVERSAL_REQUEST");
2075 ca6e02ac 2020-01-07 stsp ibuf_free(wbuf);
2076 ca6e02ac 2020-01-07 stsp return err;
2078 ca6e02ac 2020-01-07 stsp if (imsg_add(wbuf, &idx, sizeof(idx)) == -1) {
2079 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("imsg_add COMMIT_TRAVERSAL_REQUEST");
2080 ca6e02ac 2020-01-07 stsp ibuf_free(wbuf);
2081 ca6e02ac 2020-01-07 stsp return err;
2083 ca6e02ac 2020-01-07 stsp if (imsg_add(wbuf, path, path_len) == -1) {
2084 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("imsg_add COMMIT_TRAVERSAL_REQUEST");
2085 ca6e02ac 2020-01-07 stsp ibuf_free(wbuf);
2086 ca6e02ac 2020-01-07 stsp return err;
2089 ca6e02ac 2020-01-07 stsp wbuf->fd = -1;
2090 ca6e02ac 2020-01-07 stsp imsg_close(ibuf, wbuf);
2092 ca6e02ac 2020-01-07 stsp return flush_imsg(ibuf);
2095 aba9c984 2019-09-08 stsp const struct got_error *
2096 ca6e02ac 2020-01-07 stsp got_privsep_send_traversed_commits(struct got_object_id *commit_ids,
2097 ca6e02ac 2020-01-07 stsp size_t ncommits, struct imsgbuf *ibuf)
2099 ca6e02ac 2020-01-07 stsp const struct got_error *err;
2100 ca6e02ac 2020-01-07 stsp struct ibuf *wbuf;
2103 ca6e02ac 2020-01-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TRAVERSED_COMMITS, 0, 0,
2104 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_traversed_commits) +
2105 ca6e02ac 2020-01-07 stsp ncommits * SHA1_DIGEST_LENGTH);
2106 ca6e02ac 2020-01-07 stsp if (wbuf == NULL)
2107 ca6e02ac 2020-01-07 stsp return got_error_from_errno("imsg_create TRAVERSED_COMMITS");
2109 ca6e02ac 2020-01-07 stsp if (imsg_add(wbuf, &ncommits, sizeof(ncommits)) == -1) {
2110 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("imsg_add TRAVERSED_COMMITS");
2111 ca6e02ac 2020-01-07 stsp ibuf_free(wbuf);
2112 ca6e02ac 2020-01-07 stsp return err;
2114 ca6e02ac 2020-01-07 stsp for (i = 0; i < ncommits; i++) {
2115 ca6e02ac 2020-01-07 stsp struct got_object_id *id = &commit_ids[i];
2116 ca6e02ac 2020-01-07 stsp if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1) {
2117 ca6e02ac 2020-01-07 stsp err = got_error_from_errno(
2118 ca6e02ac 2020-01-07 stsp "imsg_add TRAVERSED_COMMITS");
2119 ca6e02ac 2020-01-07 stsp ibuf_free(wbuf);
2120 ca6e02ac 2020-01-07 stsp return err;
2124 ca6e02ac 2020-01-07 stsp wbuf->fd = -1;
2125 ca6e02ac 2020-01-07 stsp imsg_close(ibuf, wbuf);
2127 ca6e02ac 2020-01-07 stsp return flush_imsg(ibuf);
2130 ca6e02ac 2020-01-07 stsp const struct got_error *
2131 ca6e02ac 2020-01-07 stsp got_privsep_recv_traversed_commits(struct got_commit_object **changed_commit,
2132 ca6e02ac 2020-01-07 stsp struct got_object_id **changed_commit_id,
2133 ca6e02ac 2020-01-07 stsp struct got_object_id_queue *commit_ids, struct imsgbuf *ibuf)
2135 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
2136 ca6e02ac 2020-01-07 stsp struct imsg imsg;
2137 ca6e02ac 2020-01-07 stsp struct got_imsg_traversed_commits *icommits;
2138 ca6e02ac 2020-01-07 stsp size_t datalen;
2139 ca6e02ac 2020-01-07 stsp int i, done = 0;
2141 ca6e02ac 2020-01-07 stsp *changed_commit = NULL;
2142 ca6e02ac 2020-01-07 stsp *changed_commit_id = NULL;
2144 ca6e02ac 2020-01-07 stsp while (!done) {
2145 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2147 ca6e02ac 2020-01-07 stsp return err;
2149 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2150 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
2151 ca6e02ac 2020-01-07 stsp case GOT_IMSG_TRAVERSED_COMMITS:
2152 ca6e02ac 2020-01-07 stsp icommits = imsg.data;
2153 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommits) +
2154 ca6e02ac 2020-01-07 stsp icommits->ncommits * SHA1_DIGEST_LENGTH) {
2155 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2158 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommits->ncommits; i++) {
2159 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
2160 ca6e02ac 2020-01-07 stsp uint8_t *sha1 = (uint8_t *)imsg.data +
2161 ca6e02ac 2020-01-07 stsp sizeof(*icommits) + i * SHA1_DIGEST_LENGTH;
2162 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
2165 ca6e02ac 2020-01-07 stsp memcpy(qid->id->sha1, sha1, SHA1_DIGEST_LENGTH);
2166 ca6e02ac 2020-01-07 stsp SIMPLEQ_INSERT_TAIL(commit_ids, qid, entry);
2168 ca6e02ac 2020-01-07 stsp /* The last commit may contain a change. */
2169 ca6e02ac 2020-01-07 stsp if (i == icommits->ncommits - 1) {
2170 ca6e02ac 2020-01-07 stsp *changed_commit_id =
2171 ca6e02ac 2020-01-07 stsp got_object_id_dup(qid->id);
2172 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2173 ca6e02ac 2020-01-07 stsp err = got_error_from_errno(
2174 ca6e02ac 2020-01-07 stsp "got_object_id_dup");
2180 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
2181 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2182 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2185 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(changed_commit, &imsg,
2186 ca6e02ac 2020-01-07 stsp datalen, ibuf);
2188 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT_TRAVERSAL_DONE:
2192 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2196 ca6e02ac 2020-01-07 stsp imsg_free(&imsg);
2202 ca6e02ac 2020-01-07 stsp got_object_id_queue_free(commit_ids);
2203 ca6e02ac 2020-01-07 stsp return err;
2206 ca6e02ac 2020-01-07 stsp const struct got_error *
2207 ca6e02ac 2020-01-07 stsp got_privsep_send_commit_traversal_done(struct imsgbuf *ibuf)
2209 ca6e02ac 2020-01-07 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_TRAVERSAL_DONE, 0, 0, -1,
2210 ca6e02ac 2020-01-07 stsp NULL, 0) == -1)
2211 ca6e02ac 2020-01-07 stsp return got_error_from_errno("imsg_compose TRAVERSAL_DONE");
2213 ca6e02ac 2020-01-07 stsp return flush_imsg(ibuf);
2216 ca6e02ac 2020-01-07 stsp const struct got_error *
2217 63219cd2 2019-01-04 stsp got_privsep_unveil_exec_helpers(void)
2219 c39c25dd 2019-08-09 stsp const char *helpers[] = {
2220 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_PACK,
2221 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_OBJECT,
2222 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_COMMIT,
2223 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TREE,
2224 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_BLOB,
2225 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TAG,
2226 aba9c984 2019-09-08 stsp GOT_PATH_PROG_READ_GITCONFIG,
2227 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_FETCH_PACK,
2228 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_INDEX_PACK,
2232 c39c25dd 2019-08-09 stsp for (i = 0; i < nitems(helpers); i++) {
2233 c39c25dd 2019-08-09 stsp if (unveil(helpers[i], "x") == 0)
2235 c39c25dd 2019-08-09 stsp return got_error_from_errno2("unveil", helpers[i]);
2238 63219cd2 2019-01-04 stsp return NULL;
2242 aba9c984 2019-09-08 stsp got_privsep_exec_child(int imsg_fds[2], const char *path, const char *repo_path)
2244 aba9c984 2019-09-08 stsp if (close(imsg_fds[0]) != 0) {
2245 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
2249 aba9c984 2019-09-08 stsp if (dup2(imsg_fds[1], GOT_IMSG_FD_CHILD) == -1) {
2250 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
2253 aba9c984 2019-09-08 stsp if (closefrom(GOT_IMSG_FD_CHILD + 1) == -1) {
2254 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
2258 aba9c984 2019-09-08 stsp if (execl(path, path, repo_path, (char *)NULL) == -1) {
2259 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s: %s\n", getprogname(), path,
2260 aba9c984 2019-09-08 stsp strerror(errno));
