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 4ba14133 2020-03-20 stsp struct got_pathlist_head *have_refs, int fetch_all_branches,
416 41b0de12 2020-03-21 stsp struct got_pathlist_head *wanted_branches, int list_refs_only)
418 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
419 33501562 2020-03-18 stsp struct ibuf *wbuf;
420 4ba14133 2020-03-20 stsp size_t len;
421 33501562 2020-03-18 stsp struct got_pathlist_entry *pe;
422 4ba14133 2020-03-20 stsp struct got_imsg_fetch_request fetchreq;
424 4ba14133 2020-03-20 stsp memset(&fetchreq, 0, sizeof(fetchreq));
425 4ba14133 2020-03-20 stsp fetchreq.fetch_all_branches = fetch_all_branches;
426 41b0de12 2020-03-21 stsp fetchreq.list_refs_only = list_refs_only;
427 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, have_refs, entry)
428 4ba14133 2020-03-20 stsp fetchreq.n_have_refs++;
429 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry)
430 4ba14133 2020-03-20 stsp fetchreq.n_wanted_branches++;
431 659e7fbd 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_request);
432 33501562 2020-03-18 stsp if (len >= MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
434 33501562 2020-03-18 stsp return got_error(GOT_ERR_NO_SPACE);
437 4ba14133 2020-03-20 stsp if (imsg_compose(ibuf, GOT_IMSG_FETCH_REQUEST, 0, 0, fd,
438 4ba14133 2020-03-20 stsp &fetchreq, sizeof(fetchreq)) == -1)
439 4ba14133 2020-03-20 stsp return got_error_from_errno(
440 4ba14133 2020-03-20 stsp "imsg_compose FETCH_SERVER_PROGRESS");
442 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
445 659e7fbd 2020-03-20 stsp return err;
449 33501562 2020-03-18 stsp TAILQ_FOREACH(pe, have_refs, entry) {
450 33501562 2020-03-18 stsp const char *name = pe->path;
451 33501562 2020-03-18 stsp size_t name_len = pe->path_len;
452 33501562 2020-03-18 stsp struct got_object_id *id = pe->data;
454 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_have_ref) + name_len;
455 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_HAVE_REF, 0, 0, len);
456 4ba14133 2020-03-20 stsp if (wbuf == NULL)
457 4ba14133 2020-03-20 stsp return got_error_from_errno("imsg_create FETCH_HAVE_REF");
459 33501562 2020-03-18 stsp /* Keep in sync with struct got_imsg_fetch_have_ref! */
460 33501562 2020-03-18 stsp if (imsg_add(wbuf, id->sha1, sizeof(id->sha1)) == -1) {
461 4ba14133 2020-03-20 stsp err = got_error_from_errno("imsg_add FETCH_HAVE_REF");
462 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 4ba14133 2020-03-20 stsp err = got_error_from_errno("imsg_add FETCH_HAVE_REF");
467 33501562 2020-03-18 stsp ibuf_free(wbuf);
468 33501562 2020-03-18 stsp return err;
470 33501562 2020-03-18 stsp if (imsg_add(wbuf, name, name_len) == -1) {
471 4ba14133 2020-03-20 stsp err = got_error_from_errno("imsg_add FETCH_HAVE_REF");
472 33501562 2020-03-18 stsp ibuf_free(wbuf);
473 33501562 2020-03-18 stsp return err;
476 4ba14133 2020-03-20 stsp wbuf->fd = -1;
477 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
478 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
480 4ba14133 2020-03-20 stsp return err;
483 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry) {
484 4ba14133 2020-03-20 stsp const char *name = pe->path;
485 4ba14133 2020-03-20 stsp size_t name_len = pe->path_len;
487 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_wanted_branch) + name_len;
488 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_BRANCH, 0, 0,
490 4ba14133 2020-03-20 stsp if (wbuf == NULL)
491 4ba14133 2020-03-20 stsp return got_error_from_errno(
492 4ba14133 2020-03-20 stsp "imsg_create FETCH_WANTED_BRANCH");
494 4ba14133 2020-03-20 stsp /* Keep in sync with struct got_imsg_fetch_wanted_branch! */
495 4ba14133 2020-03-20 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1) {
496 4ba14133 2020-03-20 stsp err = got_error_from_errno(
497 4ba14133 2020-03-20 stsp "imsg_add FETCH_WANTED_BRANCH");
498 4ba14133 2020-03-20 stsp ibuf_free(wbuf);
499 4ba14133 2020-03-20 stsp return err;
501 4ba14133 2020-03-20 stsp if (imsg_add(wbuf, name, name_len) == -1) {
502 4ba14133 2020-03-20 stsp err = got_error_from_errno(
503 4ba14133 2020-03-20 stsp "imsg_add FETCH_WANTED_BRANCH");
504 4ba14133 2020-03-20 stsp ibuf_free(wbuf);
505 4ba14133 2020-03-20 stsp return err;
508 4ba14133 2020-03-20 stsp wbuf->fd = -1;
509 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
510 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
512 4ba14133 2020-03-20 stsp return err;
515 4ba14133 2020-03-20 stsp return NULL;
519 93658fb9 2020-03-18 stsp const struct got_error *
520 f826addf 2020-03-18 stsp got_privsep_send_fetch_outfd(struct imsgbuf *ibuf, int fd)
522 f826addf 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_FETCH_OUTFD, fd);
526 f826addf 2020-03-18 stsp const struct got_error *
527 abe0f35f 2020-03-18 stsp got_privsep_send_fetch_symrefs(struct imsgbuf *ibuf,
528 abe0f35f 2020-03-18 stsp struct got_pathlist_head *symrefs)
530 abe0f35f 2020-03-18 stsp const struct got_error *err = NULL;
531 abe0f35f 2020-03-18 stsp struct ibuf *wbuf;
532 abe0f35f 2020-03-18 stsp size_t len, nsymrefs = 0;
533 abe0f35f 2020-03-18 stsp struct got_pathlist_entry *pe;
535 abe0f35f 2020-03-18 stsp len = sizeof(struct got_imsg_fetch_symrefs);
536 abe0f35f 2020-03-18 stsp TAILQ_FOREACH(pe, symrefs, entry) {
537 abe0f35f 2020-03-18 stsp const char *target = pe->data;
538 abe0f35f 2020-03-18 stsp len += sizeof(struct got_imsg_fetch_symref) +
539 abe0f35f 2020-03-18 stsp pe->path_len + strlen(target);
540 abe0f35f 2020-03-18 stsp nsymrefs++;
543 abe0f35f 2020-03-18 stsp if (len >= MAX_IMSGSIZE - IMSG_HEADER_SIZE)
544 abe0f35f 2020-03-18 stsp return got_error(GOT_ERR_NO_SPACE);
546 abe0f35f 2020-03-18 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_SYMREFS, 0, 0, len);
547 abe0f35f 2020-03-18 stsp if (wbuf == NULL)
548 abe0f35f 2020-03-18 stsp return got_error_from_errno("imsg_create FETCH_SYMREFS");
550 abe0f35f 2020-03-18 stsp /* Keep in sync with struct got_imsg_fetch_symrefs definition! */
551 abe0f35f 2020-03-18 stsp if (imsg_add(wbuf, &nsymrefs, sizeof(nsymrefs)) == -1) {
552 abe0f35f 2020-03-18 stsp err = got_error_from_errno("imsg_add FETCH_SYMREFS");
553 abe0f35f 2020-03-18 stsp ibuf_free(wbuf);
554 abe0f35f 2020-03-18 stsp return err;
557 abe0f35f 2020-03-18 stsp TAILQ_FOREACH(pe, symrefs, entry) {
558 abe0f35f 2020-03-18 stsp const char *name = pe->path;
559 abe0f35f 2020-03-18 stsp size_t name_len = pe->path_len;
560 abe0f35f 2020-03-18 stsp const char *target = pe->data;
561 abe0f35f 2020-03-18 stsp size_t target_len = strlen(target);
563 abe0f35f 2020-03-18 stsp /* Keep in sync with struct got_imsg_fetch_symref definition! */
564 abe0f35f 2020-03-18 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1) {
565 abe0f35f 2020-03-18 stsp err = got_error_from_errno("imsg_add FETCH_SYMREFS");
566 abe0f35f 2020-03-18 stsp ibuf_free(wbuf);
567 abe0f35f 2020-03-18 stsp return err;
569 abe0f35f 2020-03-18 stsp if (imsg_add(wbuf, &target_len, sizeof(target_len)) == -1) {
570 abe0f35f 2020-03-18 stsp err = got_error_from_errno("imsg_add FETCH_SYMREFS");
571 abe0f35f 2020-03-18 stsp ibuf_free(wbuf);
572 abe0f35f 2020-03-18 stsp return err;
574 abe0f35f 2020-03-18 stsp if (imsg_add(wbuf, name, name_len) == -1) {
575 abe0f35f 2020-03-18 stsp err = got_error_from_errno("imsg_add FETCH_SYMREFS");
576 abe0f35f 2020-03-18 stsp ibuf_free(wbuf);
577 abe0f35f 2020-03-18 stsp return err;
579 abe0f35f 2020-03-18 stsp if (imsg_add(wbuf, target, target_len) == -1) {
580 abe0f35f 2020-03-18 stsp err = got_error_from_errno("imsg_add FETCH_SYMREFS");
581 abe0f35f 2020-03-18 stsp ibuf_free(wbuf);
582 abe0f35f 2020-03-18 stsp return err;
586 abe0f35f 2020-03-18 stsp wbuf->fd = -1;
587 abe0f35f 2020-03-18 stsp imsg_close(ibuf, wbuf);
588 abe0f35f 2020-03-18 stsp return flush_imsg(ibuf);
591 abe0f35f 2020-03-18 stsp const struct got_error *
592 ea7396b9 2020-03-18 stsp got_privsep_send_fetch_ref(struct imsgbuf *ibuf,
593 b9f99abf 2020-03-18 stsp struct got_object_id *refid, const char *refname)
595 b9f99abf 2020-03-18 stsp const struct got_error *err = NULL;
596 b9f99abf 2020-03-18 stsp struct ibuf *wbuf;
597 b9f99abf 2020-03-18 stsp size_t len, reflen = strlen(refname);
599 ea7396b9 2020-03-18 stsp len = sizeof(struct got_imsg_fetch_ref) + reflen;
600 b9f99abf 2020-03-18 stsp if (len >= MAX_IMSGSIZE - IMSG_HEADER_SIZE)
601 b9f99abf 2020-03-18 stsp return got_error(GOT_ERR_NO_SPACE);
603 ea7396b9 2020-03-18 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_REF, 0, 0, len);
604 b9f99abf 2020-03-18 stsp if (wbuf == NULL)
605 ea7396b9 2020-03-18 stsp return got_error_from_errno("imsg_create FETCH_REF");
607 ea7396b9 2020-03-18 stsp /* Keep in sync with struct got_imsg_fetch_ref definition! */
608 b9f99abf 2020-03-18 stsp if (imsg_add(wbuf, refid->sha1, SHA1_DIGEST_LENGTH) == -1) {
609 ea7396b9 2020-03-18 stsp err = got_error_from_errno("imsg_add FETCH_REF");
610 b9f99abf 2020-03-18 stsp ibuf_free(wbuf);
611 b9f99abf 2020-03-18 stsp return err;
613 b9f99abf 2020-03-18 stsp if (imsg_add(wbuf, refname, reflen) == -1) {
614 ea7396b9 2020-03-18 stsp err = got_error_from_errno("imsg_add FETCH_REF");
615 b9f99abf 2020-03-18 stsp ibuf_free(wbuf);
616 b9f99abf 2020-03-18 stsp return err;
619 b9f99abf 2020-03-18 stsp wbuf->fd = -1;
620 b9f99abf 2020-03-18 stsp imsg_close(ibuf, wbuf);
621 531c3985 2020-03-18 stsp return flush_imsg(ibuf);
624 531c3985 2020-03-18 stsp const struct got_error *
625 531c3985 2020-03-18 stsp got_privsep_send_fetch_server_progress(struct imsgbuf *ibuf, const char *msg,
626 531c3985 2020-03-18 stsp size_t msglen)
628 531c3985 2020-03-18 stsp if (msglen > MAX_IMSGSIZE - IMSG_HEADER_SIZE)
629 531c3985 2020-03-18 stsp return got_error(GOT_ERR_NO_SPACE);
631 531c3985 2020-03-18 stsp if (msglen == 0)
632 531c3985 2020-03-18 stsp return NULL;
634 531c3985 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_FETCH_SERVER_PROGRESS, 0, 0, -1,
635 531c3985 2020-03-18 stsp msg, msglen) == -1)
636 531c3985 2020-03-18 stsp return got_error_from_errno(
637 531c3985 2020-03-18 stsp "imsg_compose FETCH_SERVER_PROGRESS");
639 d2cdc636 2020-03-18 stsp return flush_imsg(ibuf);
642 d2cdc636 2020-03-18 stsp const struct got_error *
643 d2cdc636 2020-03-18 stsp got_privsep_send_fetch_download_progress(struct imsgbuf *ibuf, off_t bytes)
645 d2cdc636 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_FETCH_DOWNLOAD_PROGRESS, 0, 0, -1,
646 d2cdc636 2020-03-18 stsp &bytes, sizeof(bytes)) == -1)
647 d2cdc636 2020-03-18 stsp return got_error_from_errno(
648 d2cdc636 2020-03-18 stsp "imsg_compose FETCH_DOWNLOAD_PROGRESS");
650 b9f99abf 2020-03-18 stsp return flush_imsg(ibuf);
653 b9f99abf 2020-03-18 stsp const struct got_error *
654 93658fb9 2020-03-18 stsp got_privsep_send_fetch_done(struct imsgbuf *ibuf, struct got_object_id hash)
656 93658fb9 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_FETCH_DONE, 0, 0, -1,
657 93658fb9 2020-03-18 stsp hash.sha1, SHA1_DIGEST_LENGTH) == -1)
658 93658fb9 2020-03-18 stsp return got_error_from_errno("imsg_compose FETCH");
659 93658fb9 2020-03-18 stsp return flush_imsg(ibuf);
663 93658fb9 2020-03-18 stsp const struct got_error *
664 8f2d01a6 2020-03-18 stsp got_privsep_recv_fetch_progress(int *done, struct got_object_id **id,
665 531c3985 2020-03-18 stsp char **refname, struct got_pathlist_head *symrefs, char **server_progress,
666 d2cdc636 2020-03-18 stsp off_t *packfile_size, struct imsgbuf *ibuf)
668 b9f99abf 2020-03-18 stsp const struct got_error *err = NULL;
669 b9f99abf 2020-03-18 stsp struct imsg imsg;
670 b9f99abf 2020-03-18 stsp size_t datalen;
671 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symrefs *isymrefs = NULL;
672 abe0f35f 2020-03-18 stsp size_t n, remain;
677 8f2d01a6 2020-03-18 stsp *id = NULL;
678 b9f99abf 2020-03-18 stsp *refname = NULL;
679 531c3985 2020-03-18 stsp *server_progress = NULL;
680 5a489642 2020-03-19 stsp *packfile_size = 0;
682 531c3985 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
684 b9f99abf 2020-03-18 stsp return err;
686 b9f99abf 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
687 b9f99abf 2020-03-18 stsp switch (imsg.hdr.type) {
688 b9f99abf 2020-03-18 stsp case GOT_IMSG_ERROR:
689 531c3985 2020-03-18 stsp if (datalen < sizeof(struct got_imsg_error)) {
690 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
693 b9f99abf 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
695 abe0f35f 2020-03-18 stsp case GOT_IMSG_FETCH_SYMREFS:
696 abe0f35f 2020-03-18 stsp if (datalen < sizeof(*isymrefs)) {
697 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
700 abe0f35f 2020-03-18 stsp if (isymrefs != NULL) {
701 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
704 abe0f35f 2020-03-18 stsp isymrefs = (struct got_imsg_fetch_symrefs *)imsg.data;
705 abe0f35f 2020-03-18 stsp off = sizeof(*isymrefs);
706 abe0f35f 2020-03-18 stsp remain = datalen - off;
707 abe0f35f 2020-03-18 stsp for (n = 0; n < isymrefs->nsymrefs; n++) {
708 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symref *s;
709 abe0f35f 2020-03-18 stsp char *name, *target;
710 abe0f35f 2020-03-18 stsp if (remain < sizeof(struct got_imsg_fetch_symref)) {
711 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
714 abe0f35f 2020-03-18 stsp s = (struct got_imsg_fetch_symref *)(imsg.data + off);
715 abe0f35f 2020-03-18 stsp off += sizeof(*s);
716 abe0f35f 2020-03-18 stsp remain -= sizeof(*s);
717 abe0f35f 2020-03-18 stsp if (remain < s->name_len) {
718 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
721 abe0f35f 2020-03-18 stsp name = strndup(imsg.data + off, s->name_len);
722 abe0f35f 2020-03-18 stsp if (name == NULL) {
723 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
726 abe0f35f 2020-03-18 stsp off += s->name_len;
727 abe0f35f 2020-03-18 stsp remain -= s->name_len;
728 abe0f35f 2020-03-18 stsp if (remain < s->target_len) {
729 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
730 abe0f35f 2020-03-18 stsp free(name);
733 abe0f35f 2020-03-18 stsp target = strndup(imsg.data + off, s->target_len);
734 abe0f35f 2020-03-18 stsp if (target == NULL) {
735 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
736 abe0f35f 2020-03-18 stsp free(name);
739 abe0f35f 2020-03-18 stsp off += s->target_len;
740 abe0f35f 2020-03-18 stsp remain -= s->target_len;
741 abe0f35f 2020-03-18 stsp err = got_pathlist_append(symrefs, name, target);
743 abe0f35f 2020-03-18 stsp free(name);
744 abe0f35f 2020-03-18 stsp free(target);
749 ea7396b9 2020-03-18 stsp case GOT_IMSG_FETCH_REF:
750 531c3985 2020-03-18 stsp if (datalen <= SHA1_DIGEST_LENGTH) {
751 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
754 8f2d01a6 2020-03-18 stsp *id = malloc(sizeof(**id));
755 8f2d01a6 2020-03-18 stsp if (*id == NULL) {
756 b9f99abf 2020-03-18 stsp err = got_error_from_errno("malloc");
759 8f2d01a6 2020-03-18 stsp memcpy((*id)->sha1, imsg.data, SHA1_DIGEST_LENGTH);
760 b9f99abf 2020-03-18 stsp *refname = strndup(imsg.data + SHA1_DIGEST_LENGTH,
761 b9f99abf 2020-03-18 stsp datalen - SHA1_DIGEST_LENGTH);
762 b9f99abf 2020-03-18 stsp if (*refname == NULL) {
763 b9f99abf 2020-03-18 stsp err = got_error_from_errno("strndup");
767 531c3985 2020-03-18 stsp case GOT_IMSG_FETCH_SERVER_PROGRESS:
768 531c3985 2020-03-18 stsp if (datalen == 0) {
769 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
772 531c3985 2020-03-18 stsp *server_progress = strndup(imsg.data, datalen);
773 531c3985 2020-03-18 stsp if (*server_progress == NULL) {
774 531c3985 2020-03-18 stsp err = got_error_from_errno("strndup");
777 531c3985 2020-03-18 stsp for (i = 0; i < datalen; i++) {
778 531c3985 2020-03-18 stsp if (!isprint((unsigned char)(*server_progress)[i]) &&
779 531c3985 2020-03-18 stsp !isspace((unsigned char)(*server_progress)[i])) {
780 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
781 531c3985 2020-03-18 stsp free(*server_progress);
782 531c3985 2020-03-18 stsp *server_progress = NULL;
787 d2cdc636 2020-03-18 stsp case GOT_IMSG_FETCH_DOWNLOAD_PROGRESS:
788 d2cdc636 2020-03-18 stsp if (datalen < sizeof(*packfile_size)) {
789 d2cdc636 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
792 d2cdc636 2020-03-18 stsp memcpy(packfile_size, imsg.data, sizeof(*packfile_size));
794 8f2d01a6 2020-03-18 stsp case GOT_IMSG_FETCH_DONE:
795 8f2d01a6 2020-03-18 stsp *id = malloc(sizeof(**id));
796 8f2d01a6 2020-03-18 stsp if (*id == NULL) {
797 8f2d01a6 2020-03-18 stsp err = got_error_from_errno("malloc");
800 8f2d01a6 2020-03-18 stsp if (datalen != SHA1_DIGEST_LENGTH) {
801 8f2d01a6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
804 8f2d01a6 2020-03-18 stsp memcpy((*id)->sha1, imsg.data, SHA1_DIGEST_LENGTH);
808 b887aab6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
814 8f2d01a6 2020-03-18 stsp *id = NULL;
815 b887aab6 2020-03-18 stsp free(*refname);
816 b887aab6 2020-03-18 stsp *refname = NULL;
818 b9f99abf 2020-03-18 stsp imsg_free(&imsg);
819 b9f99abf 2020-03-18 stsp return err;
822 93658fb9 2020-03-18 stsp const struct got_error *
823 668a20f6 2020-03-18 stsp got_privsep_send_index_pack_req(struct imsgbuf *ibuf, uint8_t *pack_hash,
826 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
828 668a20f6 2020-03-18 stsp /* Keep in sync with struct got_imsg_index_pack_request */
829 93658fb9 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_IDXPACK_REQUEST, 0, 0, fd,
830 668a20f6 2020-03-18 stsp pack_hash, SHA1_DIGEST_LENGTH) == -1) {
831 93658fb9 2020-03-18 stsp err = got_error_from_errno("imsg_compose INDEX_REQUEST");
833 93658fb9 2020-03-18 stsp return err;
835 baa9fea0 2020-03-18 stsp return flush_imsg(ibuf);
838 baa9fea0 2020-03-18 stsp const struct got_error *
839 73ab1060 2020-03-18 stsp got_privsep_send_index_pack_outfd(struct imsgbuf *ibuf, int fd)
841 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_IDXPACK_OUTFD, fd);
844 73ab1060 2020-03-18 stsp const struct got_error *
845 668a20f6 2020-03-18 stsp got_privsep_send_index_pack_progress(struct imsgbuf *ibuf, int nobj_total,
846 668a20f6 2020-03-18 stsp int nobj_indexed, int nobj_loose, int nobj_resolved)
848 baa9fea0 2020-03-18 stsp struct got_imsg_index_pack_progress iprogress;
850 668a20f6 2020-03-18 stsp iprogress.nobj_total = nobj_total;
851 668a20f6 2020-03-18 stsp iprogress.nobj_indexed = nobj_indexed;
852 668a20f6 2020-03-18 stsp iprogress.nobj_loose = nobj_loose;
853 668a20f6 2020-03-18 stsp iprogress.nobj_resolved = nobj_resolved;
855 baa9fea0 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_IDXPACK_PROGRESS, 0, 0, -1,
856 baa9fea0 2020-03-18 stsp &iprogress, sizeof(iprogress)) == -1)
857 baa9fea0 2020-03-18 stsp return got_error_from_errno("imsg_compose IDXPACK_PROGRESS");
859 93658fb9 2020-03-18 stsp return flush_imsg(ibuf);
862 93658fb9 2020-03-18 stsp const struct got_error *
863 93658fb9 2020-03-18 stsp got_privsep_send_index_pack_done(struct imsgbuf *ibuf)
865 93658fb9 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_IDXPACK_DONE, 0, 0, -1, NULL, 0) == -1)
866 93658fb9 2020-03-18 stsp return got_error_from_errno("imsg_compose FETCH");
867 93658fb9 2020-03-18 stsp return flush_imsg(ibuf);
870 93658fb9 2020-03-18 stsp const struct got_error *
871 668a20f6 2020-03-18 stsp got_privsep_recv_index_progress(int *done, int *nobj_total,
872 668a20f6 2020-03-18 stsp int *nobj_indexed, int *nobj_loose, int *nobj_resolved,
873 668a20f6 2020-03-18 stsp struct imsgbuf *ibuf)
875 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
876 93658fb9 2020-03-18 stsp struct imsg imsg;
877 baa9fea0 2020-03-18 stsp struct got_imsg_index_pack_progress *iprogress;
878 baa9fea0 2020-03-18 stsp size_t datalen;
881 668a20f6 2020-03-18 stsp *nobj_total = 0;
882 668a20f6 2020-03-18 stsp *nobj_indexed = 0;
883 668a20f6 2020-03-18 stsp *nobj_resolved = 0;
885 93658fb9 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
887 93658fb9 2020-03-18 stsp return err;
889 baa9fea0 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
890 baa9fea0 2020-03-18 stsp switch (imsg.hdr.type) {
891 baa9fea0 2020-03-18 stsp case GOT_IMSG_ERROR:
892 baa9fea0 2020-03-18 stsp if (datalen < sizeof(struct got_imsg_error)) {
893 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
896 baa9fea0 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
898 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_PROGRESS:
899 baa9fea0 2020-03-18 stsp if (datalen < sizeof(*iprogress)) {
900 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
903 baa9fea0 2020-03-18 stsp iprogress = (struct got_imsg_index_pack_progress *)imsg.data;
904 668a20f6 2020-03-18 stsp *nobj_total = iprogress->nobj_total;
905 668a20f6 2020-03-18 stsp *nobj_indexed = iprogress->nobj_indexed;
906 668a20f6 2020-03-18 stsp *nobj_loose = iprogress->nobj_loose;
907 668a20f6 2020-03-18 stsp *nobj_resolved = iprogress->nobj_resolved;
909 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_DONE:
910 baa9fea0 2020-03-18 stsp if (datalen != 0) {
911 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
917 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
921 93658fb9 2020-03-18 stsp imsg_free(&imsg);
922 baa9fea0 2020-03-18 stsp return err;
925 93658fb9 2020-03-18 stsp const struct got_error *
926 cfd633c2 2018-09-10 stsp got_privsep_get_imsg_obj(struct got_object **obj, struct imsg *imsg,
927 cfd633c2 2018-09-10 stsp struct imsgbuf *ibuf)
929 cfd633c2 2018-09-10 stsp const struct got_error *err = NULL;
930 291624d8 2018-11-07 stsp struct got_imsg_object *iobj;
931 cfd633c2 2018-09-10 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
933 291624d8 2018-11-07 stsp if (datalen != sizeof(*iobj))
934 cfd633c2 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
935 291624d8 2018-11-07 stsp iobj = imsg->data;
937 cfd633c2 2018-09-10 stsp *obj = calloc(1, sizeof(**obj));
938 cfd633c2 2018-09-10 stsp if (*obj == NULL)
939 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
941 291624d8 2018-11-07 stsp memcpy((*obj)->id.sha1, iobj->id, SHA1_DIGEST_LENGTH);
942 291624d8 2018-11-07 stsp (*obj)->type = iobj->type;
943 291624d8 2018-11-07 stsp (*obj)->flags = iobj->flags;
944 291624d8 2018-11-07 stsp (*obj)->hdrlen = iobj->hdrlen;
945 291624d8 2018-11-07 stsp (*obj)->size = iobj->size;
946 c59b3346 2018-09-11 stsp /* path_packfile is handled by caller */
947 291624d8 2018-11-07 stsp if (iobj->flags & GOT_OBJ_FLAG_PACKED) {
948 291624d8 2018-11-07 stsp (*obj)->pack_offset = iobj->pack_offset;
949 291624d8 2018-11-07 stsp (*obj)->pack_idx = iobj->pack_idx;
952 876c234b 2018-09-10 stsp return err;
955 2178c42e 2018-04-22 stsp const struct got_error *
956 2178c42e 2018-04-22 stsp got_privsep_recv_obj(struct got_object **obj, struct imsgbuf *ibuf)
958 2178c42e 2018-04-22 stsp const struct got_error *err = NULL;
959 2178c42e 2018-04-22 stsp struct imsg imsg;
960 c4eae628 2018-04-23 stsp const size_t min_datalen =
961 c4eae628 2018-04-23 stsp MIN(sizeof(struct got_imsg_error), sizeof(struct got_imsg_object));
963 2178c42e 2018-04-22 stsp *obj = NULL;
965 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
967 2178c42e 2018-04-22 stsp return err;
969 2178c42e 2018-04-22 stsp switch (imsg.hdr.type) {
970 2178c42e 2018-04-22 stsp case GOT_IMSG_OBJECT:
971 cfd633c2 2018-09-10 stsp err = got_privsep_get_imsg_obj(obj, &imsg, ibuf);
974 bff6ca00 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
978 bff6ca00 2018-04-23 stsp imsg_free(&imsg);
980 bff6ca00 2018-04-23 stsp return err;
983 c75f7264 2018-09-11 stsp static const struct got_error *
984 c75f7264 2018-09-11 stsp send_commit_logmsg(struct imsgbuf *ibuf, struct got_commit_object *commit,
985 c75f7264 2018-09-11 stsp size_t logmsg_len)
987 fa4ffeb3 2018-11-04 stsp const struct got_error *err = NULL;
988 c75f7264 2018-09-11 stsp size_t offset, remain;
990 c75f7264 2018-09-11 stsp offset = 0;
991 c75f7264 2018-09-11 stsp remain = logmsg_len;
992 c75f7264 2018-09-11 stsp while (remain > 0) {
993 c75f7264 2018-09-11 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
995 c75f7264 2018-09-11 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_LOGMSG, 0, 0, -1,
996 fa4ffeb3 2018-11-04 stsp commit->logmsg + offset, n) == -1) {
997 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose "
998 230a42bd 2019-05-11 jcs "COMMIT_LOGMSG");
1002 fa4ffeb3 2018-11-04 stsp err = flush_imsg(ibuf);
1006 c75f7264 2018-09-11 stsp offset += n;
1007 c75f7264 2018-09-11 stsp remain -= n;
1010 fa4ffeb3 2018-11-04 stsp return err;
1013 bff6ca00 2018-04-23 stsp const struct got_error *
1014 068fd2bf 2018-04-24 stsp got_privsep_send_commit(struct imsgbuf *ibuf, struct got_commit_object *commit)
1016 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1017 b9c33926 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1018 bff6ca00 2018-04-23 stsp uint8_t *buf;
1019 bff6ca00 2018-04-23 stsp size_t len, total;
1020 79f35eb3 2018-06-11 stsp struct got_object_qid *qid;
1021 b9c33926 2018-11-07 stsp size_t author_len = strlen(commit->author);
1022 b9c33926 2018-11-07 stsp size_t committer_len = strlen(commit->committer);
1023 c75f7264 2018-09-11 stsp size_t logmsg_len = strlen(commit->logmsg);
1025 b9c33926 2018-11-07 stsp total = sizeof(*icommit) + author_len + committer_len +
1026 b9c33926 2018-11-07 stsp commit->nparents * SHA1_DIGEST_LENGTH;
1028 bff6ca00 2018-04-23 stsp buf = malloc(total);
1029 bff6ca00 2018-04-23 stsp if (buf == NULL)
1030 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1032 b9c33926 2018-11-07 stsp icommit = (struct got_imsg_commit_object *)buf;
1033 a7403916 2018-12-24 stsp memcpy(icommit->tree_id, commit->tree_id->sha1,
1034 a7403916 2018-12-24 stsp sizeof(icommit->tree_id));
1035 b9c33926 2018-11-07 stsp icommit->author_len = author_len;
1036 b9c33926 2018-11-07 stsp icommit->author_time = commit->author_time;
1037 b9c33926 2018-11-07 stsp icommit->author_gmtoff = commit->author_gmtoff;
1038 b9c33926 2018-11-07 stsp icommit->committer_len = committer_len;
1039 b9c33926 2018-11-07 stsp icommit->committer_time = commit->committer_time;
1040 b9c33926 2018-11-07 stsp icommit->committer_gmtoff = commit->committer_gmtoff;
1041 b9c33926 2018-11-07 stsp icommit->logmsg_len = logmsg_len;
1042 b9c33926 2018-11-07 stsp icommit->nparents = commit->nparents;
1044 b9c33926 2018-11-07 stsp len = sizeof(*icommit);
1045 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->author, author_len);
1046 b9c33926 2018-11-07 stsp len += author_len;
1047 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->committer, committer_len);
1048 b9c33926 2018-11-07 stsp len += committer_len;
1049 79f35eb3 2018-06-11 stsp SIMPLEQ_FOREACH(qid, &commit->parent_ids, entry) {
1050 79f35eb3 2018-06-11 stsp memcpy(buf + len, qid->id, SHA1_DIGEST_LENGTH);
1051 86acc566 2018-04-23 stsp len += SHA1_DIGEST_LENGTH;
1054 bff6ca00 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT, 0, 0, -1, buf, len) == -1) {
1055 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT");
1056 bff6ca00 2018-04-23 stsp goto done;
1059 904df868 2018-11-04 stsp if (logmsg_len == 0 ||
1060 904df868 2018-11-04 stsp logmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1061 904df868 2018-11-04 stsp err = flush_imsg(ibuf);
1063 904df868 2018-11-04 stsp goto done;
1065 c75f7264 2018-09-11 stsp err = send_commit_logmsg(ibuf, commit, logmsg_len);
1067 bff6ca00 2018-04-23 stsp free(buf);
1068 bff6ca00 2018-04-23 stsp return err;
1071 ca6e02ac 2020-01-07 stsp static const struct got_error *
1072 ca6e02ac 2020-01-07 stsp get_commit_from_imsg(struct got_commit_object **commit,
1073 ca6e02ac 2020-01-07 stsp struct imsg *imsg, size_t datalen, struct imsgbuf *ibuf)
1075 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1076 291624d8 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1077 ca6e02ac 2020-01-07 stsp size_t len = 0;
1080 ca6e02ac 2020-01-07 stsp if (datalen < sizeof(*icommit))
1081 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1083 ca6e02ac 2020-01-07 stsp icommit = imsg->data;
1084 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommit) + icommit->author_len +
1085 ca6e02ac 2020-01-07 stsp icommit->committer_len +
1086 ca6e02ac 2020-01-07 stsp icommit->nparents * SHA1_DIGEST_LENGTH)
1087 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1089 ca6e02ac 2020-01-07 stsp if (icommit->nparents < 0)
1090 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1092 ca6e02ac 2020-01-07 stsp len += sizeof(*icommit);
1094 ca6e02ac 2020-01-07 stsp *commit = got_object_commit_alloc_partial();
1095 ca6e02ac 2020-01-07 stsp if (*commit == NULL)
1096 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
1097 ca6e02ac 2020-01-07 stsp "got_object_commit_alloc_partial");
1099 ca6e02ac 2020-01-07 stsp memcpy((*commit)->tree_id->sha1, icommit->tree_id,
1100 ca6e02ac 2020-01-07 stsp SHA1_DIGEST_LENGTH);
1101 ca6e02ac 2020-01-07 stsp (*commit)->author_time = icommit->author_time;
1102 ca6e02ac 2020-01-07 stsp (*commit)->author_gmtoff = icommit->author_gmtoff;
1103 ca6e02ac 2020-01-07 stsp (*commit)->committer_time = icommit->committer_time;
1104 ca6e02ac 2020-01-07 stsp (*commit)->committer_gmtoff = icommit->committer_gmtoff;
1106 ca6e02ac 2020-01-07 stsp if (icommit->author_len == 0) {
1107 ca6e02ac 2020-01-07 stsp (*commit)->author = strdup("");
1108 ca6e02ac 2020-01-07 stsp if ((*commit)->author == NULL) {
1109 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1110 ca6e02ac 2020-01-07 stsp goto done;
1113 ca6e02ac 2020-01-07 stsp (*commit)->author = malloc(icommit->author_len + 1);
1114 ca6e02ac 2020-01-07 stsp if ((*commit)->author == NULL) {
1115 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1116 ca6e02ac 2020-01-07 stsp goto done;
1118 ca6e02ac 2020-01-07 stsp memcpy((*commit)->author, imsg->data + len,
1119 ca6e02ac 2020-01-07 stsp icommit->author_len);
1120 ca6e02ac 2020-01-07 stsp (*commit)->author[icommit->author_len] = '\0';
1122 ca6e02ac 2020-01-07 stsp len += icommit->author_len;
1124 ca6e02ac 2020-01-07 stsp if (icommit->committer_len == 0) {
1125 ca6e02ac 2020-01-07 stsp (*commit)->committer = strdup("");
1126 ca6e02ac 2020-01-07 stsp if ((*commit)->committer == NULL) {
1127 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1128 ca6e02ac 2020-01-07 stsp goto done;
1131 ca6e02ac 2020-01-07 stsp (*commit)->committer =
1132 ca6e02ac 2020-01-07 stsp malloc(icommit->committer_len + 1);
1133 ca6e02ac 2020-01-07 stsp if ((*commit)->committer == NULL) {
1134 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1135 ca6e02ac 2020-01-07 stsp goto done;
1137 ca6e02ac 2020-01-07 stsp memcpy((*commit)->committer, imsg->data + len,
1138 ca6e02ac 2020-01-07 stsp icommit->committer_len);
1139 ca6e02ac 2020-01-07 stsp (*commit)->committer[icommit->committer_len] = '\0';
1141 ca6e02ac 2020-01-07 stsp len += icommit->committer_len;
1143 ca6e02ac 2020-01-07 stsp if (icommit->logmsg_len == 0) {
1144 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = strdup("");
1145 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1146 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1147 ca6e02ac 2020-01-07 stsp goto done;
1150 ca6e02ac 2020-01-07 stsp size_t offset = 0, remain = icommit->logmsg_len;
1152 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = malloc(icommit->logmsg_len + 1);
1153 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1154 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1155 ca6e02ac 2020-01-07 stsp goto done;
1157 ca6e02ac 2020-01-07 stsp while (remain > 0) {
1158 ca6e02ac 2020-01-07 stsp struct imsg imsg_log;
1159 ca6e02ac 2020-01-07 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1162 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1164 ca6e02ac 2020-01-07 stsp goto done;
1166 ca6e02ac 2020-01-07 stsp if (imsg_log.hdr.type != GOT_IMSG_COMMIT_LOGMSG) {
1167 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1168 ca6e02ac 2020-01-07 stsp goto done;
1171 ca6e02ac 2020-01-07 stsp memcpy((*commit)->logmsg + offset,
1172 ca6e02ac 2020-01-07 stsp imsg_log.data, n);
1173 ca6e02ac 2020-01-07 stsp imsg_free(&imsg_log);
1174 ca6e02ac 2020-01-07 stsp offset += n;
1175 ca6e02ac 2020-01-07 stsp remain -= n;
1177 ca6e02ac 2020-01-07 stsp (*commit)->logmsg[icommit->logmsg_len] = '\0';
1180 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommit->nparents; i++) {
1181 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
1183 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
1186 ca6e02ac 2020-01-07 stsp memcpy(qid->id, imsg->data + len +
1187 ca6e02ac 2020-01-07 stsp i * SHA1_DIGEST_LENGTH, sizeof(*qid->id));
1188 ca6e02ac 2020-01-07 stsp SIMPLEQ_INSERT_TAIL(&(*commit)->parent_ids, qid, entry);
1189 ca6e02ac 2020-01-07 stsp (*commit)->nparents++;
1192 ca6e02ac 2020-01-07 stsp if (err) {
1193 ca6e02ac 2020-01-07 stsp got_object_commit_close(*commit);
1194 ca6e02ac 2020-01-07 stsp *commit = NULL;
1196 ca6e02ac 2020-01-07 stsp return err;
1199 ca6e02ac 2020-01-07 stsp const struct got_error *
1200 ca6e02ac 2020-01-07 stsp got_privsep_recv_commit(struct got_commit_object **commit, struct imsgbuf *ibuf)
1202 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
1203 ca6e02ac 2020-01-07 stsp struct imsg imsg;
1204 ca6e02ac 2020-01-07 stsp size_t datalen;
1205 ca6e02ac 2020-01-07 stsp const size_t min_datalen =
1206 ca6e02ac 2020-01-07 stsp MIN(sizeof(struct got_imsg_error),
1207 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_object));
1209 ca6e02ac 2020-01-07 stsp *commit = NULL;
1211 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1213 ca6e02ac 2020-01-07 stsp return err;
1215 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1217 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
1218 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
1219 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(commit, &imsg, datalen, ibuf);
1222 8c580685 2018-04-22 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1226 2178c42e 2018-04-22 stsp imsg_free(&imsg);
1228 e033d803 2018-04-23 stsp return err;
1231 e033d803 2018-04-23 stsp const struct got_error *
1232 3022d272 2019-11-14 stsp got_privsep_send_tree(struct imsgbuf *ibuf, struct got_pathlist_head *entries,
1233 3022d272 2019-11-14 stsp int nentries)
1235 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
1236 e033d803 2018-04-23 stsp struct got_imsg_tree_object itree;
1237 3022d272 2019-11-14 stsp struct got_pathlist_entry *pe;
1238 b00c9821 2018-11-04 stsp size_t totlen;
1239 6eb07a17 2018-11-04 stsp int nimsg; /* number of imsg queued in ibuf */
1241 3022d272 2019-11-14 stsp itree.nentries = nentries;
1242 e033d803 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_TREE, 0, 0, -1, &itree, sizeof(itree))
1244 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose TREE");
1246 b00c9821 2018-11-04 stsp totlen = sizeof(itree);
1247 6eb07a17 2018-11-04 stsp nimsg = 1;
1248 3022d272 2019-11-14 stsp TAILQ_FOREACH(pe, entries, entry) {
1249 3022d272 2019-11-14 stsp const char *name = pe->path;
1250 3022d272 2019-11-14 stsp struct got_parsed_tree_entry *pte = pe->data;
1251 3022d272 2019-11-14 stsp struct ibuf *wbuf;
1252 3022d272 2019-11-14 stsp size_t namelen = strlen(name);
1253 cd9e913a 2019-11-27 stsp size_t len = sizeof(struct got_imsg_tree_entry) + namelen;
1255 e033d803 2018-04-23 stsp if (len > MAX_IMSGSIZE)
1256 e033d803 2018-04-23 stsp return got_error(GOT_ERR_NO_SPACE);
1259 6eb07a17 2018-11-04 stsp if (totlen + len >= MAX_IMSGSIZE - (IMSG_HEADER_SIZE * nimsg)) {
1260 b00c9821 2018-11-04 stsp err = flush_imsg(ibuf);
1262 b00c9821 2018-11-04 stsp return err;
1263 6eb07a17 2018-11-04 stsp nimsg = 0;
1266 3022d272 2019-11-14 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_ENTRY, 0, 0, len);
1267 3022d272 2019-11-14 stsp if (wbuf == NULL)
1268 3022d272 2019-11-14 stsp return got_error_from_errno("imsg_create TREE_ENTRY");
1270 3022d272 2019-11-14 stsp /* Keep in sync with struct got_imsg_tree_object definition! */
1271 3b647085 2019-11-23 stsp if (imsg_add(wbuf, pte->id, SHA1_DIGEST_LENGTH) == -1) {
1272 3022d272 2019-11-14 stsp err = got_error_from_errno("imsg_add TREE_ENTRY");
1273 3b647085 2019-11-23 stsp ibuf_free(wbuf);
1274 e033d803 2018-04-23 stsp return err;
1276 3b647085 2019-11-23 stsp if (imsg_add(wbuf, &pte->mode, sizeof(pte->mode)) == -1) {
1277 3022d272 2019-11-14 stsp err = got_error_from_errno("imsg_add TREE_ENTRY");
1278 3b647085 2019-11-23 stsp ibuf_free(wbuf);
1279 3022d272 2019-11-14 stsp return err;
1282 3b647085 2019-11-23 stsp if (imsg_add(wbuf, name, namelen) == -1) {
1283 3022d272 2019-11-14 stsp err = got_error_from_errno("imsg_add TREE_ENTRY");
1284 3b647085 2019-11-23 stsp ibuf_free(wbuf);
1285 3022d272 2019-11-14 stsp return err;
1288 3022d272 2019-11-14 stsp wbuf->fd = -1;
1289 3022d272 2019-11-14 stsp imsg_close(ibuf, wbuf);
1291 b00c9821 2018-11-04 stsp totlen += len;
1294 b00c9821 2018-11-04 stsp return flush_imsg(ibuf);
1297 e033d803 2018-04-23 stsp const struct got_error *
1298 068fd2bf 2018-04-24 stsp got_privsep_recv_tree(struct got_tree_object **tree, struct imsgbuf *ibuf)
1300 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
1301 e033d803 2018-04-23 stsp const size_t min_datalen =
1302 e033d803 2018-04-23 stsp MIN(sizeof(struct got_imsg_error),
1303 e033d803 2018-04-23 stsp sizeof(struct got_imsg_tree_object));
1304 291624d8 2018-11-07 stsp struct got_imsg_tree_object *itree;
1305 e033d803 2018-04-23 stsp int nentries = 0;
1307 e033d803 2018-04-23 stsp *tree = NULL;
1309 e033d803 2018-04-23 stsp err = read_imsg(ibuf);
1311 1e51f5b9 2018-04-23 stsp goto done;
1314 e033d803 2018-04-23 stsp struct imsg imsg;
1316 e033d803 2018-04-23 stsp size_t datalen;
1317 c0588d8d 2018-11-07 stsp struct got_imsg_tree_entry *ite;
1318 e033d803 2018-04-23 stsp struct got_tree_entry *te = NULL;
1320 e033d803 2018-04-23 stsp n = imsg_get(ibuf, &imsg);
1321 e033d803 2018-04-23 stsp if (n == 0) {
1322 56e0773d 2019-11-28 stsp if (*tree && (*tree)->nentries != nentries)
1323 e033d803 2018-04-23 stsp goto get_more;
1327 e033d803 2018-04-23 stsp if (imsg.hdr.len < IMSG_HEADER_SIZE + min_datalen)
1328 e033d803 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1330 e033d803 2018-04-23 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1332 e033d803 2018-04-23 stsp switch (imsg.hdr.type) {
1333 e033d803 2018-04-23 stsp case GOT_IMSG_ERROR:
1334 e033d803 2018-04-23 stsp err = recv_imsg_error(&imsg, datalen);
1336 e033d803 2018-04-23 stsp case GOT_IMSG_TREE:
1337 e033d803 2018-04-23 stsp /* This message should only appear once. */
1338 e033d803 2018-04-23 stsp if (*tree != NULL) {
1339 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1342 291624d8 2018-11-07 stsp if (datalen != sizeof(*itree)) {
1343 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1346 291624d8 2018-11-07 stsp itree = imsg.data;
1347 c3b78ecc 2018-11-07 stsp *tree = malloc(sizeof(**tree));
1348 e033d803 2018-04-23 stsp if (*tree == NULL) {
1349 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1352 56e0773d 2019-11-28 stsp (*tree)->entries = calloc(itree->nentries,
1353 56e0773d 2019-11-28 stsp sizeof(struct got_tree_entry));
1354 56e0773d 2019-11-28 stsp if ((*tree)->entries == NULL) {
1355 56e0773d 2019-11-28 stsp err = got_error_from_errno("malloc");
1358 56e0773d 2019-11-28 stsp (*tree)->nentries = itree->nentries;
1359 c3b78ecc 2018-11-07 stsp (*tree)->refcnt = 0;
1361 e033d803 2018-04-23 stsp case GOT_IMSG_TREE_ENTRY:
1362 e033d803 2018-04-23 stsp /* This message should be preceeded by GOT_IMSG_TREE. */
1363 e033d803 2018-04-23 stsp if (*tree == NULL) {
1364 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1367 c0588d8d 2018-11-07 stsp if (datalen < sizeof(*ite) || datalen > MAX_IMSGSIZE) {
1368 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1372 e033d803 2018-04-23 stsp /* Remaining data contains the entry's name. */
1373 c0588d8d 2018-11-07 stsp datalen -= sizeof(*ite);
1374 e033d803 2018-04-23 stsp if (datalen == 0 || datalen > MAX_IMSGSIZE) {
1375 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1378 c0588d8d 2018-11-07 stsp ite = imsg.data;
1380 56e0773d 2019-11-28 stsp if (datalen + 1 > sizeof(te->name)) {
1381 56e0773d 2019-11-28 stsp err = got_error(GOT_ERR_NO_SPACE);
1384 56e0773d 2019-11-28 stsp te = &(*tree)->entries[nentries];
1385 c0588d8d 2018-11-07 stsp memcpy(te->name, imsg.data + sizeof(*ite), datalen);
1386 e033d803 2018-04-23 stsp te->name[datalen] = '\0';
1388 56e0773d 2019-11-28 stsp memcpy(te->id.sha1, ite->id, SHA1_DIGEST_LENGTH);
1389 c0588d8d 2018-11-07 stsp te->mode = ite->mode;
1390 56e0773d 2019-11-28 stsp te->idx = nentries;
1391 e033d803 2018-04-23 stsp nentries++;
1394 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1398 e033d803 2018-04-23 stsp imsg_free(&imsg);
1401 56e0773d 2019-11-28 stsp if (*tree && (*tree)->nentries != nentries) {
1402 1e51f5b9 2018-04-23 stsp if (err == NULL)
1403 1e51f5b9 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1404 e033d803 2018-04-23 stsp got_object_tree_close(*tree);
1405 e033d803 2018-04-23 stsp *tree = NULL;
1408 ff6b18f8 2018-04-24 stsp return err;
1411 ff6b18f8 2018-04-24 stsp const struct got_error *
1412 ac544f8c 2019-01-13 stsp got_privsep_send_blob(struct imsgbuf *ibuf, size_t size, size_t hdrlen,
1413 ac544f8c 2019-01-13 stsp const uint8_t *data)
1415 2967a784 2018-04-24 stsp struct got_imsg_blob iblob;
1417 2967a784 2018-04-24 stsp iblob.size = size;
1418 ebc55e2d 2018-12-24 stsp iblob.hdrlen = hdrlen;
1420 ac544f8c 2019-01-13 stsp if (data) {
1421 ac544f8c 2019-01-13 stsp uint8_t *buf;
1423 ac544f8c 2019-01-13 stsp if (size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX)
1424 ac544f8c 2019-01-13 stsp return got_error(GOT_ERR_NO_SPACE);
1426 ac544f8c 2019-01-13 stsp buf = malloc(sizeof(iblob) + size);
1427 ac544f8c 2019-01-13 stsp if (buf == NULL)
1428 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1430 ac544f8c 2019-01-13 stsp memcpy(buf, &iblob, sizeof(iblob));
1431 ac544f8c 2019-01-13 stsp memcpy(buf + sizeof(iblob), data, size);
1432 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, buf,
1433 ac544f8c 2019-01-13 stsp sizeof(iblob) + size) == -1) {
1434 ac544f8c 2019-01-13 stsp free(buf);
1435 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1437 ac544f8c 2019-01-13 stsp free(buf);
1439 ac544f8c 2019-01-13 stsp /* Data has already been written to file descriptor. */
1440 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, &iblob,
1441 ac544f8c 2019-01-13 stsp sizeof(iblob)) == -1)
1442 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1446 ff6b18f8 2018-04-24 stsp return flush_imsg(ibuf);
1449 ff6b18f8 2018-04-24 stsp const struct got_error *
1450 ac544f8c 2019-01-13 stsp got_privsep_recv_blob(uint8_t **outbuf, size_t *size, size_t *hdrlen,
1451 ac544f8c 2019-01-13 stsp struct imsgbuf *ibuf)
1453 ff6b18f8 2018-04-24 stsp const struct got_error *err = NULL;
1454 ff6b18f8 2018-04-24 stsp struct imsg imsg;
1455 291624d8 2018-11-07 stsp struct got_imsg_blob *iblob;
1456 ff6b18f8 2018-04-24 stsp size_t datalen;
1458 ac544f8c 2019-01-13 stsp *outbuf = NULL;
1460 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1462 ff6b18f8 2018-04-24 stsp return err;
1464 ff6b18f8 2018-04-24 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1466 ff6b18f8 2018-04-24 stsp switch (imsg.hdr.type) {
1467 ff6b18f8 2018-04-24 stsp case GOT_IMSG_BLOB:
1468 ac544f8c 2019-01-13 stsp if (datalen < sizeof(*iblob)) {
1469 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1472 291624d8 2018-11-07 stsp iblob = imsg.data;
1473 291624d8 2018-11-07 stsp *size = iblob->size;
1474 ebc55e2d 2018-12-24 stsp *hdrlen = iblob->hdrlen;
1476 ac544f8c 2019-01-13 stsp if (datalen == sizeof(*iblob)) {
1477 ac544f8c 2019-01-13 stsp /* Data has been written to file descriptor. */
1481 ac544f8c 2019-01-13 stsp if (*size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX) {
1482 ac544f8c 2019-01-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1486 ac544f8c 2019-01-13 stsp *outbuf = malloc(*size);
1487 ac544f8c 2019-01-13 stsp if (*outbuf == NULL) {
1488 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1491 ac544f8c 2019-01-13 stsp memcpy(*outbuf, imsg.data + sizeof(*iblob), *size);
1494 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1498 f4a881ce 2018-11-17 stsp imsg_free(&imsg);
1500 f4a881ce 2018-11-17 stsp return err;
1503 f4a881ce 2018-11-17 stsp static const struct got_error *
1504 f4a881ce 2018-11-17 stsp send_tagmsg(struct imsgbuf *ibuf, struct got_tag_object *tag, size_t tagmsg_len)
1506 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1507 f4a881ce 2018-11-17 stsp size_t offset, remain;
1509 f4a881ce 2018-11-17 stsp offset = 0;
1510 f4a881ce 2018-11-17 stsp remain = tagmsg_len;
1511 f4a881ce 2018-11-17 stsp while (remain > 0) {
1512 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1514 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_TAGMSG, 0, 0, -1,
1515 f4a881ce 2018-11-17 stsp tag->tagmsg + offset, n) == -1) {
1516 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG_TAGMSG");
1520 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1524 f4a881ce 2018-11-17 stsp offset += n;
1525 f4a881ce 2018-11-17 stsp remain -= n;
1528 f4a881ce 2018-11-17 stsp return err;
1531 f4a881ce 2018-11-17 stsp const struct got_error *
1532 f4a881ce 2018-11-17 stsp got_privsep_send_tag(struct imsgbuf *ibuf, struct got_tag_object *tag)
1534 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1535 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1536 f4a881ce 2018-11-17 stsp uint8_t *buf;
1537 f4a881ce 2018-11-17 stsp size_t len, total;
1538 f4a881ce 2018-11-17 stsp size_t tag_len = strlen(tag->tag);
1539 f4a881ce 2018-11-17 stsp size_t tagger_len = strlen(tag->tagger);
1540 f4a881ce 2018-11-17 stsp size_t tagmsg_len = strlen(tag->tagmsg);
1542 f4a881ce 2018-11-17 stsp total = sizeof(*itag) + tag_len + tagger_len + tagmsg_len;
1544 f4a881ce 2018-11-17 stsp buf = malloc(total);
1545 f4a881ce 2018-11-17 stsp if (buf == NULL)
1546 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1548 f4a881ce 2018-11-17 stsp itag = (struct got_imsg_tag_object *)buf;
1549 f4a881ce 2018-11-17 stsp memcpy(itag->id, tag->id.sha1, sizeof(itag->id));
1550 f4a881ce 2018-11-17 stsp itag->obj_type = tag->obj_type;
1551 f4a881ce 2018-11-17 stsp itag->tag_len = tag_len;
1552 f4a881ce 2018-11-17 stsp itag->tagger_len = tagger_len;
1553 f4a881ce 2018-11-17 stsp itag->tagger_time = tag->tagger_time;
1554 f4a881ce 2018-11-17 stsp itag->tagger_gmtoff = tag->tagger_gmtoff;
1555 f4a881ce 2018-11-17 stsp itag->tagmsg_len = tagmsg_len;
1557 f4a881ce 2018-11-17 stsp len = sizeof(*itag);
1558 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tag, tag_len);
1559 f4a881ce 2018-11-17 stsp len += tag_len;
1560 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tagger, tagger_len);
1561 f4a881ce 2018-11-17 stsp len += tagger_len;
1563 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG, 0, 0, -1, buf, len) == -1) {
1564 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG");
1565 f4a881ce 2018-11-17 stsp goto done;
1568 f4a881ce 2018-11-17 stsp if (tagmsg_len == 0 ||
1569 f4a881ce 2018-11-17 stsp tagmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1570 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1572 f4a881ce 2018-11-17 stsp goto done;
1574 f4a881ce 2018-11-17 stsp err = send_tagmsg(ibuf, tag, tagmsg_len);
1576 f4a881ce 2018-11-17 stsp free(buf);
1577 f4a881ce 2018-11-17 stsp return err;
1580 f4a881ce 2018-11-17 stsp const struct got_error *
1581 f4a881ce 2018-11-17 stsp got_privsep_recv_tag(struct got_tag_object **tag, struct imsgbuf *ibuf)
1583 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1584 f4a881ce 2018-11-17 stsp struct imsg imsg;
1585 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1586 f4a881ce 2018-11-17 stsp size_t len, datalen;
1587 f4a881ce 2018-11-17 stsp const size_t min_datalen =
1588 f4a881ce 2018-11-17 stsp MIN(sizeof(struct got_imsg_error),
1589 f4a881ce 2018-11-17 stsp sizeof(struct got_imsg_tag_object));
1591 f4a881ce 2018-11-17 stsp *tag = NULL;
1593 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1595 f4a881ce 2018-11-17 stsp return err;
1597 f4a881ce 2018-11-17 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1600 f4a881ce 2018-11-17 stsp switch (imsg.hdr.type) {
1601 f4a881ce 2018-11-17 stsp case GOT_IMSG_TAG:
1602 f4a881ce 2018-11-17 stsp if (datalen < sizeof(*itag)) {
1603 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1606 f4a881ce 2018-11-17 stsp itag = imsg.data;
1607 f4a881ce 2018-11-17 stsp if (datalen != sizeof(*itag) + itag->tag_len +
1608 f4a881ce 2018-11-17 stsp itag->tagger_len) {
1609 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1612 f4a881ce 2018-11-17 stsp len += sizeof(*itag);
1614 f4a881ce 2018-11-17 stsp *tag = calloc(1, sizeof(**tag));
1615 f4a881ce 2018-11-17 stsp if (*tag == NULL) {
1616 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
1620 f4a881ce 2018-11-17 stsp memcpy((*tag)->id.sha1, itag->id, SHA1_DIGEST_LENGTH);
1622 f4a881ce 2018-11-17 stsp if (itag->tag_len == 0) {
1623 f4a881ce 2018-11-17 stsp (*tag)->tag = strdup("");
1624 f4a881ce 2018-11-17 stsp if ((*tag)->tag == NULL) {
1625 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1629 f4a881ce 2018-11-17 stsp (*tag)->tag = malloc(itag->tag_len + 1);
1630 f4a881ce 2018-11-17 stsp if ((*tag)->tag == NULL) {
1631 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1634 f4a881ce 2018-11-17 stsp memcpy((*tag)->tag, imsg.data + len,
1635 f4a881ce 2018-11-17 stsp itag->tag_len);
1636 f4a881ce 2018-11-17 stsp (*tag)->tag[itag->tag_len] = '\0';
1638 f4a881ce 2018-11-17 stsp len += itag->tag_len;
1640 f4a881ce 2018-11-17 stsp (*tag)->obj_type = itag->obj_type;
1641 f4a881ce 2018-11-17 stsp (*tag)->tagger_time = itag->tagger_time;
1642 f4a881ce 2018-11-17 stsp (*tag)->tagger_gmtoff = itag->tagger_gmtoff;
1644 f4a881ce 2018-11-17 stsp if (itag->tagger_len == 0) {
1645 f4a881ce 2018-11-17 stsp (*tag)->tagger = strdup("");
1646 f4a881ce 2018-11-17 stsp if ((*tag)->tagger == NULL) {
1647 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1651 f4a881ce 2018-11-17 stsp (*tag)->tagger = malloc(itag->tagger_len + 1);
1652 f4a881ce 2018-11-17 stsp if ((*tag)->tagger == NULL) {
1653 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1656 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagger, imsg.data + len,
1657 f4a881ce 2018-11-17 stsp itag->tagger_len);
1658 f4a881ce 2018-11-17 stsp (*tag)->tagger[itag->tagger_len] = '\0';
1660 f4a881ce 2018-11-17 stsp len += itag->tagger_len;
1662 f4a881ce 2018-11-17 stsp if (itag->tagmsg_len == 0) {
1663 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = strdup("");
1664 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1665 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1669 f4a881ce 2018-11-17 stsp size_t offset = 0, remain = itag->tagmsg_len;
1671 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = malloc(itag->tagmsg_len + 1);
1672 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1673 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1676 f4a881ce 2018-11-17 stsp while (remain > 0) {
1677 f4a881ce 2018-11-17 stsp struct imsg imsg_log;
1678 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1681 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1683 f4a881ce 2018-11-17 stsp return err;
1685 f4a881ce 2018-11-17 stsp if (imsg_log.hdr.type != GOT_IMSG_TAG_TAGMSG)
1686 f4a881ce 2018-11-17 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
1688 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagmsg + offset, imsg_log.data,
1690 f4a881ce 2018-11-17 stsp imsg_free(&imsg_log);
1691 f4a881ce 2018-11-17 stsp offset += n;
1692 f4a881ce 2018-11-17 stsp remain -= n;
1694 f4a881ce 2018-11-17 stsp (*tag)->tagmsg[itag->tagmsg_len] = '\0';
1699 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1703 ff6b18f8 2018-04-24 stsp imsg_free(&imsg);
1705 2178c42e 2018-04-22 stsp return err;
1708 876c234b 2018-09-10 stsp const struct got_error *
1709 876c234b 2018-09-10 stsp got_privsep_init_pack_child(struct imsgbuf *ibuf, struct got_pack *pack,
1710 876c234b 2018-09-10 stsp struct got_packidx *packidx)
1712 41496140 2019-02-21 stsp const struct got_error *err = NULL;
1713 876c234b 2018-09-10 stsp struct got_imsg_packidx ipackidx;
1714 876c234b 2018-09-10 stsp struct got_imsg_pack ipack;
1717 876c234b 2018-09-10 stsp ipackidx.len = packidx->len;
1718 876c234b 2018-09-10 stsp fd = dup(packidx->fd);
1719 876c234b 2018-09-10 stsp if (fd == -1)
1720 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1722 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKIDX, 0, 0, fd, &ipackidx,
1723 41496140 2019-02-21 stsp sizeof(ipackidx)) == -1) {
1724 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACKIDX");
1725 41496140 2019-02-21 stsp close(fd);
1726 41496140 2019-02-21 stsp return err;
1729 876c234b 2018-09-10 stsp if (strlcpy(ipack.path_packfile, pack->path_packfile,
1730 876c234b 2018-09-10 stsp sizeof(ipack.path_packfile)) >= sizeof(ipack.path_packfile))
1731 876c234b 2018-09-10 stsp return got_error(GOT_ERR_NO_SPACE);
1732 876c234b 2018-09-10 stsp ipack.filesize = pack->filesize;
1734 876c234b 2018-09-10 stsp fd = dup(pack->fd);
1735 876c234b 2018-09-10 stsp if (fd == -1)
1736 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1738 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACK, 0, 0, fd, &ipack, sizeof(ipack))
1740 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACK");
1741 41496140 2019-02-21 stsp close(fd);
1742 41496140 2019-02-21 stsp return err;
1745 876c234b 2018-09-10 stsp return flush_imsg(ibuf);
1748 876c234b 2018-09-10 stsp const struct got_error *
1749 106807b4 2018-09-15 stsp got_privsep_send_packed_obj_req(struct imsgbuf *ibuf, int idx,
1750 106807b4 2018-09-15 stsp struct got_object_id *id)
1752 876c234b 2018-09-10 stsp struct got_imsg_packed_object iobj;
1754 876c234b 2018-09-10 stsp iobj.idx = idx;
1755 106807b4 2018-09-15 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
1757 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_OBJECT_REQUEST, 0, 0, -1,
1758 876c234b 2018-09-10 stsp &iobj, sizeof(iobj)) == -1)
1759 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose "
1760 230a42bd 2019-05-11 jcs "PACKED_OBJECT_REQUEST");
1762 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1765 aba9c984 2019-09-08 stsp const struct got_error *
1766 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_parse_req(struct imsgbuf *ibuf, int fd)
1768 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
1770 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_PARSE_REQUEST, 0, 0, fd,
1771 aba9c984 2019-09-08 stsp NULL, 0) == -1) {
1772 aba9c984 2019-09-08 stsp err = got_error_from_errno("imsg_compose "
1773 aba9c984 2019-09-08 stsp "GITCONFIG_PARSE_REQUEST");
1774 aba9c984 2019-09-08 stsp close(fd);
1775 aba9c984 2019-09-08 stsp return err;
1778 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1781 aba9c984 2019-09-08 stsp const struct got_error *
1782 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_repository_format_version_req(struct imsgbuf *ibuf)
1784 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
1785 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST, 0, 0, -1,
1786 aba9c984 2019-09-08 stsp NULL, 0) == -1)
1787 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
1788 aba9c984 2019-09-08 stsp "GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST");
1790 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1793 aba9c984 2019-09-08 stsp const struct got_error *
1794 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_name_req(struct imsgbuf *ibuf)
1796 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
1797 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_NAME_REQUEST, 0, 0, -1, NULL, 0) == -1)
1798 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
1799 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_NAME_REQUEST");
1801 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1804 aba9c984 2019-09-08 stsp const struct got_error *
1805 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_email_req(struct imsgbuf *ibuf)
1807 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
1808 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_EMAIL_REQUEST, 0, 0, -1, NULL, 0) == -1)
1809 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
1810 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_EMAIL_REQUEST");
1812 cd95becd 2019-11-29 stsp return flush_imsg(ibuf);
1815 cd95becd 2019-11-29 stsp const struct got_error *
1816 cd95becd 2019-11-29 stsp got_privsep_send_gitconfig_remotes_req(struct imsgbuf *ibuf)
1818 cd95becd 2019-11-29 stsp if (imsg_compose(ibuf,
1819 cd95becd 2019-11-29 stsp GOT_IMSG_GITCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
1820 cd95becd 2019-11-29 stsp return got_error_from_errno("imsg_compose "
1821 cd95becd 2019-11-29 stsp "GITCONFIG_REMOTE_REQUEST");
1823 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1826 aba9c984 2019-09-08 stsp const struct got_error *
1827 9a1cc63f 2020-02-03 stsp got_privsep_send_gitconfig_owner_req(struct imsgbuf *ibuf)
1829 9a1cc63f 2020-02-03 stsp if (imsg_compose(ibuf,
1830 9a1cc63f 2020-02-03 stsp GOT_IMSG_GITCONFIG_OWNER_REQUEST, 0, 0, -1, NULL, 0) == -1)
1831 9a1cc63f 2020-02-03 stsp return got_error_from_errno("imsg_compose "
1832 9a1cc63f 2020-02-03 stsp "GITCONFIG_OWNER_REQUEST");
1834 9a1cc63f 2020-02-03 stsp return flush_imsg(ibuf);
1837 9a1cc63f 2020-02-03 stsp const struct got_error *
1838 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_str(struct imsgbuf *ibuf, const char *value)
1840 aba9c984 2019-09-08 stsp size_t len = value ? strlen(value) + 1 : 0;
1842 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_STR_VAL, 0, 0, -1,
1843 aba9c984 2019-09-08 stsp value, len) == -1)
1844 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose GITCONFIG_STR_VAL");
1846 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1849 aba9c984 2019-09-08 stsp const struct got_error *
1850 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_str(char **str, struct imsgbuf *ibuf)
1852 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
1853 aba9c984 2019-09-08 stsp struct imsg imsg;
1854 aba9c984 2019-09-08 stsp size_t datalen;
1855 aba9c984 2019-09-08 stsp const size_t min_datalen = 0;
1857 aba9c984 2019-09-08 stsp *str = NULL;
1859 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1861 aba9c984 2019-09-08 stsp return err;
1862 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1864 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
1865 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_STR_VAL:
1866 aba9c984 2019-09-08 stsp if (datalen == 0)
1868 aba9c984 2019-09-08 stsp *str = malloc(datalen);
1869 aba9c984 2019-09-08 stsp if (*str == NULL) {
1870 aba9c984 2019-09-08 stsp err = got_error_from_errno("malloc");
1873 aba9c984 2019-09-08 stsp if (strlcpy(*str, imsg.data, datalen) >= datalen)
1874 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_NO_SPACE);
1877 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1881 aba9c984 2019-09-08 stsp imsg_free(&imsg);
1882 aba9c984 2019-09-08 stsp return err;
1885 aba9c984 2019-09-08 stsp const struct got_error *
1886 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_int(struct imsgbuf *ibuf, int value)
1888 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_INT_VAL, 0, 0, -1,
1889 aba9c984 2019-09-08 stsp &value, sizeof(value)) == -1)
1890 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose GITCONFIG_INT_VAL");
1892 876c234b 2018-09-10 stsp return flush_imsg(ibuf);
1895 63219cd2 2019-01-04 stsp const struct got_error *
1896 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_int(int *val, struct imsgbuf *ibuf)
1898 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
1899 aba9c984 2019-09-08 stsp struct imsg imsg;
1900 aba9c984 2019-09-08 stsp size_t datalen;
1901 aba9c984 2019-09-08 stsp const size_t min_datalen =
1902 aba9c984 2019-09-08 stsp MIN(sizeof(struct got_imsg_error), sizeof(int));
1906 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1908 aba9c984 2019-09-08 stsp return err;
1909 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1911 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
1912 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_INT_VAL:
1913 aba9c984 2019-09-08 stsp if (datalen != sizeof(*val)) {
1914 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1917 aba9c984 2019-09-08 stsp memcpy(val, imsg.data, sizeof(*val));
1920 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1924 cd95becd 2019-11-29 stsp imsg_free(&imsg);
1925 cd95becd 2019-11-29 stsp return err;
1928 cd95becd 2019-11-29 stsp const struct got_error *
1929 cd95becd 2019-11-29 stsp got_privsep_send_gitconfig_remotes(struct imsgbuf *ibuf,
1930 cd95becd 2019-11-29 stsp struct got_remote_repo *remotes, int nremotes)
1932 cd95becd 2019-11-29 stsp const struct got_error *err = NULL;
1933 cd95becd 2019-11-29 stsp struct got_imsg_remotes iremotes;
1936 cd95becd 2019-11-29 stsp iremotes.nremotes = nremotes;
1937 cd95becd 2019-11-29 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_REMOTES, 0, 0, -1,
1938 cd95becd 2019-11-29 stsp &iremotes, sizeof(iremotes)) == -1)
1939 cd95becd 2019-11-29 stsp return got_error_from_errno("imsg_compose GITCONFIG_REMOTES");
1941 cd95becd 2019-11-29 stsp err = flush_imsg(ibuf);
1942 cd95becd 2019-11-29 stsp imsg_clear(ibuf);
1944 cd95becd 2019-11-29 stsp return err;
1946 cd95becd 2019-11-29 stsp for (i = 0; i < nremotes; i++) {
1947 cd95becd 2019-11-29 stsp struct got_imsg_remote iremote;
1948 cd95becd 2019-11-29 stsp size_t len = sizeof(iremote);
1949 cd95becd 2019-11-29 stsp struct ibuf *wbuf;
1951 fe6043b8 2020-03-20 stsp iremote.mirror_references = remotes[i].mirror_references;
1952 cd95becd 2019-11-29 stsp iremote.name_len = strlen(remotes[i].name);
1953 cd95becd 2019-11-29 stsp len += iremote.name_len;
1954 cd95becd 2019-11-29 stsp iremote.url_len = strlen(remotes[i].url);
1955 cd95becd 2019-11-29 stsp len += iremote.url_len;
1957 cd95becd 2019-11-29 stsp wbuf = imsg_create(ibuf, GOT_IMSG_GITCONFIG_REMOTE, 0, 0, len);
1958 cd95becd 2019-11-29 stsp if (wbuf == NULL)
1959 cd95becd 2019-11-29 stsp return got_error_from_errno(
1960 cd95becd 2019-11-29 stsp "imsg_create GITCONFIG_REMOTE");
1962 cd95becd 2019-11-29 stsp if (imsg_add(wbuf, &iremote, sizeof(iremote)) == -1) {
1963 cd95becd 2019-11-29 stsp err = got_error_from_errno(
1964 b364b1c2 2020-03-20 stsp "imsg_add GITCONFIG_REMOTE");
1965 cd95becd 2019-11-29 stsp ibuf_free(wbuf);
1966 cd95becd 2019-11-29 stsp return err;
1969 cd95becd 2019-11-29 stsp if (imsg_add(wbuf, remotes[i].name, iremote.name_len) == -1) {
1970 cd95becd 2019-11-29 stsp err = got_error_from_errno(
1971 b364b1c2 2020-03-20 stsp "imsg_add GITCONFIG_REMOTE");
1972 cd95becd 2019-11-29 stsp ibuf_free(wbuf);
1973 cd95becd 2019-11-29 stsp return err;
1975 cd95becd 2019-11-29 stsp if (imsg_add(wbuf, remotes[i].url, iremote.url_len) == -1) {
1976 cd95becd 2019-11-29 stsp err = got_error_from_errno(
1977 b364b1c2 2020-03-20 stsp "imsg_add GITCONFIG_REMOTE");
1978 cd95becd 2019-11-29 stsp ibuf_free(wbuf);
1979 cd95becd 2019-11-29 stsp return err;
1982 cd95becd 2019-11-29 stsp wbuf->fd = -1;
1983 cd95becd 2019-11-29 stsp imsg_close(ibuf, wbuf);
1984 cd95becd 2019-11-29 stsp err = flush_imsg(ibuf);
1986 cd95becd 2019-11-29 stsp return err;
1989 cd95becd 2019-11-29 stsp return NULL;
1992 cd95becd 2019-11-29 stsp const struct got_error *
1993 cd95becd 2019-11-29 stsp got_privsep_recv_gitconfig_remotes(struct got_remote_repo **remotes,
1994 cd95becd 2019-11-29 stsp int *nremotes, struct imsgbuf *ibuf)
1996 cd95becd 2019-11-29 stsp const struct got_error *err = NULL;
1997 cd95becd 2019-11-29 stsp struct imsg imsg;
1998 cd95becd 2019-11-29 stsp size_t datalen;
1999 cd95becd 2019-11-29 stsp struct got_imsg_remotes iremotes;
2000 cd95becd 2019-11-29 stsp struct got_imsg_remote iremote;
2002 cd95becd 2019-11-29 stsp *remotes = NULL;
2003 cd95becd 2019-11-29 stsp *nremotes = 0;
2004 d669b9c9 2020-02-22 stsp iremotes.nremotes = 0;
2006 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremotes));
2008 cd95becd 2019-11-29 stsp return err;
2009 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2011 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2012 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTES:
2013 cd95becd 2019-11-29 stsp if (datalen != sizeof(iremotes)) {
2014 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2017 cd95becd 2019-11-29 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2018 cd95becd 2019-11-29 stsp if (iremotes.nremotes == 0) {
2019 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2020 cd95becd 2019-11-29 stsp return NULL;
2024 54b1c5b5 2020-02-22 stsp imsg_free(&imsg);
2025 54b1c5b5 2020-02-22 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2028 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2030 5146eb39 2020-03-20 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2031 cd95becd 2019-11-29 stsp if (*remotes == NULL)
2032 cd95becd 2019-11-29 stsp return got_error_from_errno("recallocarray");
2034 cd95becd 2019-11-29 stsp while (*nremotes < iremotes.nremotes) {
2035 cd95becd 2019-11-29 stsp struct got_remote_repo *remote;
2037 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremote));
2040 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2042 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2043 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTE:
2044 cd95becd 2019-11-29 stsp remote = &(*remotes)[*nremotes];
2045 cd95becd 2019-11-29 stsp if (datalen < sizeof(iremote)) {
2046 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2049 cd95becd 2019-11-29 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2050 cd95becd 2019-11-29 stsp if (iremote.name_len == 0 || iremote.url_len == 0 ||
2051 cd95becd 2019-11-29 stsp (sizeof(iremote) + iremote.name_len +
2052 cd95becd 2019-11-29 stsp iremote.url_len) > datalen) {
2053 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2056 cd95becd 2019-11-29 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2057 cd95becd 2019-11-29 stsp iremote.name_len);
2058 cd95becd 2019-11-29 stsp if (remote->name == NULL) {
2059 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2062 cd95becd 2019-11-29 stsp remote->url = strndup(imsg.data + sizeof(iremote) +
2063 cd95becd 2019-11-29 stsp iremote.name_len, iremote.url_len);
2064 cd95becd 2019-11-29 stsp if (remote->url == NULL) {
2065 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2066 cd95becd 2019-11-29 stsp free(remote->name);
2069 469dd726 2020-03-20 stsp remote->mirror_references = iremote.mirror_references;
2070 cd95becd 2019-11-29 stsp (*nremotes)++;
2073 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2077 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2082 cd95becd 2019-11-29 stsp if (err) {
2084 cd95becd 2019-11-29 stsp for (i = 0; i < *nremotes; i++) {
2085 cd95becd 2019-11-29 stsp free((*remotes)[i].name);
2086 cd95becd 2019-11-29 stsp free((*remotes)[i].url);
2088 cd95becd 2019-11-29 stsp free(*remotes);
2089 cd95becd 2019-11-29 stsp *remotes = NULL;
2090 cd95becd 2019-11-29 stsp *nremotes = 0;
2092 aba9c984 2019-09-08 stsp return err;
2095 ca6e02ac 2020-01-07 stsp const struct got_error *
2096 ca6e02ac 2020-01-07 stsp got_privsep_send_commit_traversal_request(struct imsgbuf *ibuf,
2097 ca6e02ac 2020-01-07 stsp struct got_object_id *id, int idx, const char *path)
2099 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
2100 ca6e02ac 2020-01-07 stsp struct ibuf *wbuf;
2101 ca6e02ac 2020-01-07 stsp size_t path_len = strlen(path) + 1;
2103 ca6e02ac 2020-01-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_COMMIT_TRAVERSAL_REQUEST, 0, 0,
2104 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_traversal_request) + path_len);
2105 ca6e02ac 2020-01-07 stsp if (wbuf == NULL)
2106 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
2107 ca6e02ac 2020-01-07 stsp "imsg_create COMMIT_TRAVERSAL_REQUEST");
2108 ca6e02ac 2020-01-07 stsp if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1) {
2109 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("imsg_add COMMIT_TRAVERSAL_REQUEST");
2110 ca6e02ac 2020-01-07 stsp ibuf_free(wbuf);
2111 ca6e02ac 2020-01-07 stsp return err;
2113 ca6e02ac 2020-01-07 stsp if (imsg_add(wbuf, &idx, sizeof(idx)) == -1) {
2114 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("imsg_add COMMIT_TRAVERSAL_REQUEST");
2115 ca6e02ac 2020-01-07 stsp ibuf_free(wbuf);
2116 ca6e02ac 2020-01-07 stsp return err;
2118 ca6e02ac 2020-01-07 stsp if (imsg_add(wbuf, path, path_len) == -1) {
2119 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("imsg_add COMMIT_TRAVERSAL_REQUEST");
2120 ca6e02ac 2020-01-07 stsp ibuf_free(wbuf);
2121 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 aba9c984 2019-09-08 stsp const struct got_error *
2131 ca6e02ac 2020-01-07 stsp got_privsep_send_traversed_commits(struct got_object_id *commit_ids,
2132 ca6e02ac 2020-01-07 stsp size_t ncommits, struct imsgbuf *ibuf)
2134 ca6e02ac 2020-01-07 stsp const struct got_error *err;
2135 ca6e02ac 2020-01-07 stsp struct ibuf *wbuf;
2138 ca6e02ac 2020-01-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TRAVERSED_COMMITS, 0, 0,
2139 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_traversed_commits) +
2140 ca6e02ac 2020-01-07 stsp ncommits * SHA1_DIGEST_LENGTH);
2141 ca6e02ac 2020-01-07 stsp if (wbuf == NULL)
2142 ca6e02ac 2020-01-07 stsp return got_error_from_errno("imsg_create TRAVERSED_COMMITS");
2144 ca6e02ac 2020-01-07 stsp if (imsg_add(wbuf, &ncommits, sizeof(ncommits)) == -1) {
2145 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("imsg_add TRAVERSED_COMMITS");
2146 ca6e02ac 2020-01-07 stsp ibuf_free(wbuf);
2147 ca6e02ac 2020-01-07 stsp return err;
2149 ca6e02ac 2020-01-07 stsp for (i = 0; i < ncommits; i++) {
2150 ca6e02ac 2020-01-07 stsp struct got_object_id *id = &commit_ids[i];
2151 ca6e02ac 2020-01-07 stsp if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1) {
2152 ca6e02ac 2020-01-07 stsp err = got_error_from_errno(
2153 ca6e02ac 2020-01-07 stsp "imsg_add TRAVERSED_COMMITS");
2154 ca6e02ac 2020-01-07 stsp ibuf_free(wbuf);
2155 ca6e02ac 2020-01-07 stsp return err;
2159 ca6e02ac 2020-01-07 stsp wbuf->fd = -1;
2160 ca6e02ac 2020-01-07 stsp imsg_close(ibuf, wbuf);
2162 ca6e02ac 2020-01-07 stsp return flush_imsg(ibuf);
2165 ca6e02ac 2020-01-07 stsp const struct got_error *
2166 ca6e02ac 2020-01-07 stsp got_privsep_recv_traversed_commits(struct got_commit_object **changed_commit,
2167 ca6e02ac 2020-01-07 stsp struct got_object_id **changed_commit_id,
2168 ca6e02ac 2020-01-07 stsp struct got_object_id_queue *commit_ids, struct imsgbuf *ibuf)
2170 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
2171 ca6e02ac 2020-01-07 stsp struct imsg imsg;
2172 ca6e02ac 2020-01-07 stsp struct got_imsg_traversed_commits *icommits;
2173 ca6e02ac 2020-01-07 stsp size_t datalen;
2174 ca6e02ac 2020-01-07 stsp int i, done = 0;
2176 ca6e02ac 2020-01-07 stsp *changed_commit = NULL;
2177 ca6e02ac 2020-01-07 stsp *changed_commit_id = NULL;
2179 ca6e02ac 2020-01-07 stsp while (!done) {
2180 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2182 ca6e02ac 2020-01-07 stsp return err;
2184 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2185 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
2186 ca6e02ac 2020-01-07 stsp case GOT_IMSG_TRAVERSED_COMMITS:
2187 ca6e02ac 2020-01-07 stsp icommits = imsg.data;
2188 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommits) +
2189 ca6e02ac 2020-01-07 stsp icommits->ncommits * SHA1_DIGEST_LENGTH) {
2190 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2193 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommits->ncommits; i++) {
2194 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
2195 ca6e02ac 2020-01-07 stsp uint8_t *sha1 = (uint8_t *)imsg.data +
2196 ca6e02ac 2020-01-07 stsp sizeof(*icommits) + i * SHA1_DIGEST_LENGTH;
2197 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
2200 ca6e02ac 2020-01-07 stsp memcpy(qid->id->sha1, sha1, SHA1_DIGEST_LENGTH);
2201 ca6e02ac 2020-01-07 stsp SIMPLEQ_INSERT_TAIL(commit_ids, qid, entry);
2203 ca6e02ac 2020-01-07 stsp /* The last commit may contain a change. */
2204 ca6e02ac 2020-01-07 stsp if (i == icommits->ncommits - 1) {
2205 ca6e02ac 2020-01-07 stsp *changed_commit_id =
2206 ca6e02ac 2020-01-07 stsp got_object_id_dup(qid->id);
2207 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2208 ca6e02ac 2020-01-07 stsp err = got_error_from_errno(
2209 ca6e02ac 2020-01-07 stsp "got_object_id_dup");
2215 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
2216 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2217 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2220 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(changed_commit, &imsg,
2221 ca6e02ac 2020-01-07 stsp datalen, ibuf);
2223 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT_TRAVERSAL_DONE:
2227 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2231 ca6e02ac 2020-01-07 stsp imsg_free(&imsg);
2237 ca6e02ac 2020-01-07 stsp got_object_id_queue_free(commit_ids);
2238 ca6e02ac 2020-01-07 stsp return err;
2241 ca6e02ac 2020-01-07 stsp const struct got_error *
2242 ca6e02ac 2020-01-07 stsp got_privsep_send_commit_traversal_done(struct imsgbuf *ibuf)
2244 ca6e02ac 2020-01-07 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_TRAVERSAL_DONE, 0, 0, -1,
2245 ca6e02ac 2020-01-07 stsp NULL, 0) == -1)
2246 ca6e02ac 2020-01-07 stsp return got_error_from_errno("imsg_compose TRAVERSAL_DONE");
2248 ca6e02ac 2020-01-07 stsp return flush_imsg(ibuf);
2251 ca6e02ac 2020-01-07 stsp const struct got_error *
2252 63219cd2 2019-01-04 stsp got_privsep_unveil_exec_helpers(void)
2254 c39c25dd 2019-08-09 stsp const char *helpers[] = {
2255 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_PACK,
2256 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_OBJECT,
2257 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_COMMIT,
2258 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TREE,
2259 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_BLOB,
2260 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TAG,
2261 aba9c984 2019-09-08 stsp GOT_PATH_PROG_READ_GITCONFIG,
2262 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_FETCH_PACK,
2263 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_INDEX_PACK,
2267 c39c25dd 2019-08-09 stsp for (i = 0; i < nitems(helpers); i++) {
2268 c39c25dd 2019-08-09 stsp if (unveil(helpers[i], "x") == 0)
2270 c39c25dd 2019-08-09 stsp return got_error_from_errno2("unveil", helpers[i]);
2273 63219cd2 2019-01-04 stsp return NULL;
2277 aba9c984 2019-09-08 stsp got_privsep_exec_child(int imsg_fds[2], const char *path, const char *repo_path)
2279 aba9c984 2019-09-08 stsp if (close(imsg_fds[0]) != 0) {
2280 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
2284 aba9c984 2019-09-08 stsp if (dup2(imsg_fds[1], GOT_IMSG_FD_CHILD) == -1) {
2285 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
2288 aba9c984 2019-09-08 stsp if (closefrom(GOT_IMSG_FD_CHILD + 1) == -1) {
2289 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
2293 aba9c984 2019-09-08 stsp if (execl(path, path, repo_path, (char *)NULL) == -1) {
2294 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s: %s\n", getprogname(), path,
2295 aba9c984 2019-09-08 stsp strerror(errno));
