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 2178c42e 2018-04-22 stsp #include <stdio.h>
25 2178c42e 2018-04-22 stsp #include <stdlib.h>
26 2178c42e 2018-04-22 stsp #include <string.h>
27 2178c42e 2018-04-22 stsp #include <errno.h>
28 2178c42e 2018-04-22 stsp #include <stdint.h>
29 2178c42e 2018-04-22 stsp #include <poll.h>
30 2178c42e 2018-04-22 stsp #include <imsg.h>
31 2178c42e 2018-04-22 stsp #include <sha1.h>
32 2178c42e 2018-04-22 stsp #include <zlib.h>
33 788c352e 2018-06-16 stsp #include <time.h>
35 2178c42e 2018-04-22 stsp #include "got_object.h"
36 2178c42e 2018-04-22 stsp #include "got_error.h"
37 3022d272 2019-11-14 stsp #include "got_path.h"
38 cd95becd 2019-11-29 stsp #include "got_repository.h"
40 2178c42e 2018-04-22 stsp #include "got_lib_sha1.h"
41 2178c42e 2018-04-22 stsp #include "got_lib_delta.h"
42 63581804 2018-07-09 stsp #include "got_lib_inflate.h"
43 2178c42e 2018-04-22 stsp #include "got_lib_object.h"
44 a440fac0 2018-09-06 stsp #include "got_lib_object_parse.h"
45 2178c42e 2018-04-22 stsp #include "got_lib_privsep.h"
46 876c234b 2018-09-10 stsp #include "got_lib_pack.h"
49 2178c42e 2018-04-22 stsp #define MIN(_a,_b) ((_a) < (_b) ? (_a) : (_b))
52 c39c25dd 2019-08-09 stsp #ifndef nitems
53 c39c25dd 2019-08-09 stsp #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
56 2178c42e 2018-04-22 stsp static const struct got_error *
57 2178c42e 2018-04-22 stsp poll_fd(int fd, int events, int timeout)
59 2178c42e 2018-04-22 stsp struct pollfd pfd[1];
62 2178c42e 2018-04-22 stsp pfd[0].fd = fd;
63 2178c42e 2018-04-22 stsp pfd[0].events = events;
65 2178c42e 2018-04-22 stsp n = poll(pfd, 1, timeout);
66 2178c42e 2018-04-22 stsp if (n == -1)
67 638f9024 2019-05-13 stsp return got_error_from_errno("poll");
69 2178c42e 2018-04-22 stsp return got_error(GOT_ERR_TIMEOUT);
70 2178c42e 2018-04-22 stsp if (pfd[0].revents & (POLLERR | POLLNVAL))
71 638f9024 2019-05-13 stsp return got_error_from_errno("poll error");
72 2178c42e 2018-04-22 stsp if (pfd[0].revents & (events | POLLHUP))
73 2178c42e 2018-04-22 stsp return NULL;
75 2178c42e 2018-04-22 stsp return got_error(GOT_ERR_INTERRUPT);
78 c4eae628 2018-04-23 stsp static const struct got_error *
79 e033d803 2018-04-23 stsp read_imsg(struct imsgbuf *ibuf)
81 fe36cf76 2018-04-23 stsp const struct got_error *err;
84 fe36cf76 2018-04-23 stsp err = poll_fd(ibuf->fd, POLLIN, INFTIM);
88 fe36cf76 2018-04-23 stsp n = imsg_read(ibuf);
89 fe36cf76 2018-04-23 stsp if (n == -1) {
90 fe36cf76 2018-04-23 stsp if (errno == EAGAIN) /* Could be a file-descriptor leak. */
91 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_NO_FD);
92 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_READ);
95 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_PIPE);
97 e033d803 2018-04-23 stsp return NULL;
100 ad242220 2018-09-08 stsp const struct got_error *
101 876c234b 2018-09-10 stsp got_privsep_wait_for_child(pid_t pid)
103 876c234b 2018-09-10 stsp int child_status;
105 2cb49fa8 2019-05-10 stsp if (waitpid(pid, &child_status, 0) == -1)
106 638f9024 2019-05-13 stsp return got_error_from_errno("waitpid");
108 876c234b 2018-09-10 stsp if (!WIFEXITED(child_status))
109 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_DIED);
111 876c234b 2018-09-10 stsp if (WEXITSTATUS(child_status) != 0)
112 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_EXIT);
114 876c234b 2018-09-10 stsp return NULL;
117 73b7854a 2018-11-11 stsp static const struct got_error *
118 73b7854a 2018-11-11 stsp recv_imsg_error(struct imsg *imsg, size_t datalen)
120 73b7854a 2018-11-11 stsp struct got_imsg_error *ierr;
122 73b7854a 2018-11-11 stsp if (datalen != sizeof(*ierr))
123 73b7854a 2018-11-11 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
125 73b7854a 2018-11-11 stsp ierr = imsg->data;
126 73b7854a 2018-11-11 stsp if (ierr->code == GOT_ERR_ERRNO) {
127 73b7854a 2018-11-11 stsp static struct got_error serr;
128 73b7854a 2018-11-11 stsp serr.code = GOT_ERR_ERRNO;
129 73b7854a 2018-11-11 stsp serr.msg = strerror(ierr->errno_code);
130 73b7854a 2018-11-11 stsp return &serr;
133 73b7854a 2018-11-11 stsp return got_error(ierr->code);
136 876c234b 2018-09-10 stsp const struct got_error *
137 46de5bfd 2018-11-11 stsp got_privsep_recv_imsg(struct imsg *imsg, struct imsgbuf *ibuf,
138 46de5bfd 2018-11-11 stsp size_t min_datalen)
140 e033d803 2018-04-23 stsp const struct got_error *err;
143 e033d803 2018-04-23 stsp n = imsg_get(ibuf, imsg);
144 876c234b 2018-09-10 stsp if (n == -1)
145 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_get");
147 876c234b 2018-09-10 stsp while (n == 0) {
148 876c234b 2018-09-10 stsp err = read_imsg(ibuf);
150 876c234b 2018-09-10 stsp return err;
151 876c234b 2018-09-10 stsp n = imsg_get(ibuf, imsg);
152 cbfaaf20 2020-01-06 stsp if (n == -1)
153 cbfaaf20 2020-01-06 stsp return got_error_from_errno("imsg_get");
156 fe36cf76 2018-04-23 stsp if (imsg->hdr.len < IMSG_HEADER_SIZE + min_datalen)
157 c4eae628 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
159 73b7854a 2018-11-11 stsp if (imsg->hdr.type == GOT_IMSG_ERROR) {
160 73b7854a 2018-11-11 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
161 73b7854a 2018-11-11 stsp return recv_imsg_error(imsg, datalen);
164 73b7854a 2018-11-11 stsp return NULL;
167 2178c42e 2018-04-22 stsp /* Attempt to send an error in an imsg. Complain on stderr as a last resort. */
169 2178c42e 2018-04-22 stsp got_privsep_send_error(struct imsgbuf *ibuf, const struct got_error *err)
171 2178c42e 2018-04-22 stsp const struct got_error *poll_err;
172 2178c42e 2018-04-22 stsp struct got_imsg_error ierr;
175 2178c42e 2018-04-22 stsp ierr.code = err->code;
176 2178c42e 2018-04-22 stsp if (err->code == GOT_ERR_ERRNO)
177 2178c42e 2018-04-22 stsp ierr.errno_code = errno;
179 2178c42e 2018-04-22 stsp ierr.errno_code = 0;
180 2178c42e 2018-04-22 stsp ret = imsg_compose(ibuf, GOT_IMSG_ERROR, 0, 0, -1, &ierr, sizeof(ierr));
181 e93cd828 2018-11-11 stsp if (ret == -1) {
182 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_compose: %s\n",
183 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
187 2178c42e 2018-04-22 stsp poll_err = poll_fd(ibuf->fd, POLLOUT, INFTIM);
188 5d43e84d 2018-04-23 stsp if (poll_err) {
189 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": poll: %s\n",
190 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, poll_err->msg);
194 2178c42e 2018-04-22 stsp ret = imsg_flush(ibuf);
195 5d43e84d 2018-04-23 stsp if (ret == -1) {
196 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_flush: %s\n",
197 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
202 e033d803 2018-04-23 stsp static const struct got_error *
203 e033d803 2018-04-23 stsp flush_imsg(struct imsgbuf *ibuf)
205 e033d803 2018-04-23 stsp const struct got_error *err;
207 e033d803 2018-04-23 stsp err = poll_fd(ibuf->fd, POLLOUT, INFTIM);
209 e033d803 2018-04-23 stsp return err;
211 e033d803 2018-04-23 stsp if (imsg_flush(ibuf) == -1)
212 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_flush");
214 e033d803 2018-04-23 stsp return NULL;
217 ad242220 2018-09-08 stsp const struct got_error *
218 ad242220 2018-09-08 stsp got_privsep_send_stop(int fd)
220 ad242220 2018-09-08 stsp const struct got_error *err = NULL;
221 ad242220 2018-09-08 stsp struct imsgbuf ibuf;
223 ad242220 2018-09-08 stsp imsg_init(&ibuf, fd);
225 ad242220 2018-09-08 stsp if (imsg_compose(&ibuf, GOT_IMSG_STOP, 0, 0, -1, NULL, 0) == -1)
226 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose STOP");
228 ad242220 2018-09-08 stsp err = flush_imsg(&ibuf);
229 ad242220 2018-09-08 stsp imsg_clear(&ibuf);
230 ad242220 2018-09-08 stsp return err;
233 93658fb9 2020-03-18 stsp const struct got_error *
234 aea5f015 2018-12-24 stsp got_privsep_send_obj_req(struct imsgbuf *ibuf, int fd)
236 aea5f015 2018-12-24 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT_REQUEST, 0, 0, fd, NULL, 0)
238 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT_REQUEST");
240 1785f84a 2018-12-23 stsp return flush_imsg(ibuf);
243 1785f84a 2018-12-23 stsp const struct got_error *
244 1785f84a 2018-12-23 stsp got_privsep_send_commit_req(struct imsgbuf *ibuf, int fd,
245 1785f84a 2018-12-23 stsp struct got_object_id *id, int pack_idx)
247 41496140 2019-02-21 stsp const struct got_error *err = NULL;
248 1785f84a 2018-12-23 stsp struct got_imsg_packed_object iobj, *iobjp;
249 1785f84a 2018-12-23 stsp size_t len;
251 1785f84a 2018-12-23 stsp if (id) { /* commit is packed */
252 1785f84a 2018-12-23 stsp iobj.idx = pack_idx;
253 1785f84a 2018-12-23 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
254 1785f84a 2018-12-23 stsp iobjp = &iobj;
255 1785f84a 2018-12-23 stsp len = sizeof(iobj);
257 1785f84a 2018-12-23 stsp iobjp = NULL;
261 1785f84a 2018-12-23 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_REQUEST, 0, 0, fd, iobjp, len)
263 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT_REQUEST");
265 41496140 2019-02-21 stsp return err;
268 13c729f7 2018-12-24 stsp return flush_imsg(ibuf);
271 13c729f7 2018-12-24 stsp const struct got_error *
272 13c729f7 2018-12-24 stsp got_privsep_send_tree_req(struct imsgbuf *ibuf, int fd,
273 13c729f7 2018-12-24 stsp struct got_object_id *id, int pack_idx)
275 41496140 2019-02-21 stsp const struct got_error *err = NULL;
276 7f358e3b 2019-11-23 stsp struct ibuf *wbuf;
277 7f358e3b 2019-11-23 stsp size_t len = id ? sizeof(struct got_imsg_packed_object) : 0;
279 7f358e3b 2019-11-23 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_REQUEST, 0, 0, len);
280 7f358e3b 2019-11-23 stsp if (wbuf == NULL)
281 7f358e3b 2019-11-23 stsp return got_error_from_errno("imsg_create TREE_REQUEST");
283 13c729f7 2018-12-24 stsp if (id) { /* tree is packed */
284 7f358e3b 2019-11-23 stsp if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1) {
285 7f358e3b 2019-11-23 stsp err = got_error_from_errno("imsg_add TREE_ENTRY");
286 7f358e3b 2019-11-23 stsp ibuf_free(wbuf);
287 7f358e3b 2019-11-23 stsp return err;
290 7f358e3b 2019-11-23 stsp if (imsg_add(wbuf, &pack_idx, sizeof(pack_idx)) == -1) {
291 7f358e3b 2019-11-23 stsp err = got_error_from_errno("imsg_add TREE_ENTRY");
292 7f358e3b 2019-11-23 stsp ibuf_free(wbuf);
293 7f358e3b 2019-11-23 stsp return err;
297 7f358e3b 2019-11-23 stsp wbuf->fd = fd;
298 7f358e3b 2019-11-23 stsp imsg_close(ibuf, wbuf);
300 268f7291 2018-12-24 stsp return flush_imsg(ibuf);
303 268f7291 2018-12-24 stsp const struct got_error *
304 268f7291 2018-12-24 stsp got_privsep_send_tag_req(struct imsgbuf *ibuf, int fd,
305 268f7291 2018-12-24 stsp struct got_object_id *id, int pack_idx)
307 268f7291 2018-12-24 stsp struct got_imsg_packed_object iobj, *iobjp;
308 268f7291 2018-12-24 stsp size_t len;
310 268f7291 2018-12-24 stsp if (id) { /* tag is packed */
311 268f7291 2018-12-24 stsp iobj.idx = pack_idx;
312 268f7291 2018-12-24 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
313 268f7291 2018-12-24 stsp iobjp = &iobj;
314 268f7291 2018-12-24 stsp len = sizeof(iobj);
316 268f7291 2018-12-24 stsp iobjp = NULL;
320 268f7291 2018-12-24 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_REQUEST, 0, 0, fd, iobjp, len)
322 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose TAG_REQUEST");
324 7762fe12 2018-11-05 stsp return flush_imsg(ibuf);
327 7762fe12 2018-11-05 stsp const struct got_error *
328 ebc55e2d 2018-12-24 stsp got_privsep_send_blob_req(struct imsgbuf *ibuf, int infd,
329 ebc55e2d 2018-12-24 stsp struct got_object_id *id, int pack_idx)
331 41496140 2019-02-21 stsp const struct got_error *err = NULL;
332 ebc55e2d 2018-12-24 stsp struct got_imsg_packed_object iobj, *iobjp;
333 ebc55e2d 2018-12-24 stsp size_t len;
335 ebc55e2d 2018-12-24 stsp if (id) { /* blob is packed */
336 ebc55e2d 2018-12-24 stsp iobj.idx = pack_idx;
337 ebc55e2d 2018-12-24 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
338 ebc55e2d 2018-12-24 stsp iobjp = &iobj;
339 ebc55e2d 2018-12-24 stsp len = sizeof(iobj);
341 ebc55e2d 2018-12-24 stsp iobjp = NULL;
345 ebc55e2d 2018-12-24 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_REQUEST, 0, 0, infd, iobjp, len)
347 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_REQUEST");
348 41496140 2019-02-21 stsp close(infd);
349 41496140 2019-02-21 stsp return err;
352 55da3778 2018-09-10 stsp return flush_imsg(ibuf);
355 55da3778 2018-09-10 stsp const struct got_error *
356 55da3778 2018-09-10 stsp got_privsep_send_blob_outfd(struct imsgbuf *ibuf, int outfd)
358 41496140 2019-02-21 stsp const struct got_error *err = NULL;
360 ad242220 2018-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_OUTFD, 0, 0, outfd, NULL, 0)
362 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_OUTFD");
363 41496140 2019-02-21 stsp close(outfd);
364 41496140 2019-02-21 stsp return err;
367 3840f4c9 2018-09-12 stsp return flush_imsg(ibuf);
370 3840f4c9 2018-09-12 stsp const struct got_error *
371 3840f4c9 2018-09-12 stsp got_privsep_send_tmpfd(struct imsgbuf *ibuf, int fd)
373 41496140 2019-02-21 stsp const struct got_error *err = NULL;
375 3840f4c9 2018-09-12 stsp if (imsg_compose(ibuf, GOT_IMSG_TMPFD, 0, 0, fd, NULL, 0)
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 876c234b 2018-09-10 stsp got_privsep_send_obj(struct imsgbuf *ibuf, struct got_object *obj)
388 2178c42e 2018-04-22 stsp struct got_imsg_object iobj;
390 c59b3346 2018-09-11 stsp memcpy(iobj.id, obj->id.sha1, sizeof(iobj.id));
391 2178c42e 2018-04-22 stsp iobj.type = obj->type;
392 2178c42e 2018-04-22 stsp iobj.flags = obj->flags;
393 2178c42e 2018-04-22 stsp iobj.hdrlen = obj->hdrlen;
394 2178c42e 2018-04-22 stsp iobj.size = obj->size;
395 c59b3346 2018-09-11 stsp if (iobj.flags & GOT_OBJ_FLAG_PACKED) {
396 876c234b 2018-09-10 stsp iobj.pack_offset = obj->pack_offset;
397 c59b3346 2018-09-11 stsp iobj.pack_idx = obj->pack_idx;
400 2178c42e 2018-04-22 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT, 0, 0, -1, &iobj, sizeof(iobj))
402 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT");
404 c59b3346 2018-09-11 stsp return flush_imsg(ibuf);
407 cfd633c2 2018-09-10 stsp const struct got_error *
408 93658fb9 2020-03-18 stsp got_privsep_send_fetch_req(struct imsgbuf *ibuf, int fd)
410 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
412 93658fb9 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_FETCH_REQUEST, 0, 0, fd,
413 93658fb9 2020-03-18 stsp NULL, 0) == -1) {
414 93658fb9 2020-03-18 stsp err = got_error_from_errno("imsg_compose FETCH_REQUEST");
416 93658fb9 2020-03-18 stsp return err;
418 93658fb9 2020-03-18 stsp return flush_imsg(ibuf);
421 93658fb9 2020-03-18 stsp const struct got_error *
422 abe0f35f 2020-03-18 stsp got_privsep_send_fetch_symrefs(struct imsgbuf *ibuf,
423 abe0f35f 2020-03-18 stsp struct got_pathlist_head *symrefs)
425 abe0f35f 2020-03-18 stsp const struct got_error *err = NULL;
426 abe0f35f 2020-03-18 stsp struct ibuf *wbuf;
427 abe0f35f 2020-03-18 stsp size_t len, nsymrefs = 0;
428 abe0f35f 2020-03-18 stsp struct got_pathlist_entry *pe;
430 abe0f35f 2020-03-18 stsp len = sizeof(struct got_imsg_fetch_symrefs);
431 abe0f35f 2020-03-18 stsp TAILQ_FOREACH(pe, symrefs, entry) {
432 abe0f35f 2020-03-18 stsp const char *target = pe->data;
433 abe0f35f 2020-03-18 stsp len += sizeof(struct got_imsg_fetch_symref) +
434 abe0f35f 2020-03-18 stsp pe->path_len + strlen(target);
435 abe0f35f 2020-03-18 stsp nsymrefs++;
438 abe0f35f 2020-03-18 stsp if (len >= MAX_IMSGSIZE - IMSG_HEADER_SIZE)
439 abe0f35f 2020-03-18 stsp return got_error(GOT_ERR_NO_SPACE);
441 abe0f35f 2020-03-18 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_SYMREFS, 0, 0, len);
442 abe0f35f 2020-03-18 stsp if (wbuf == NULL)
443 abe0f35f 2020-03-18 stsp return got_error_from_errno("imsg_create FETCH_SYMREFS");
445 abe0f35f 2020-03-18 stsp /* Keep in sync with struct got_imsg_fetch_symrefs definition! */
446 abe0f35f 2020-03-18 stsp if (imsg_add(wbuf, &nsymrefs, sizeof(nsymrefs)) == -1) {
447 abe0f35f 2020-03-18 stsp err = got_error_from_errno("imsg_add FETCH_SYMREFS");
448 abe0f35f 2020-03-18 stsp ibuf_free(wbuf);
449 abe0f35f 2020-03-18 stsp return err;
452 abe0f35f 2020-03-18 stsp TAILQ_FOREACH(pe, symrefs, entry) {
453 abe0f35f 2020-03-18 stsp const char *name = pe->path;
454 abe0f35f 2020-03-18 stsp size_t name_len = pe->path_len;
455 abe0f35f 2020-03-18 stsp const char *target = pe->data;
456 abe0f35f 2020-03-18 stsp size_t target_len = strlen(target);
458 abe0f35f 2020-03-18 stsp /* Keep in sync with struct got_imsg_fetch_symref definition! */
459 abe0f35f 2020-03-18 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1) {
460 abe0f35f 2020-03-18 stsp err = got_error_from_errno("imsg_add FETCH_SYMREFS");
461 abe0f35f 2020-03-18 stsp ibuf_free(wbuf);
462 abe0f35f 2020-03-18 stsp return err;
464 abe0f35f 2020-03-18 stsp if (imsg_add(wbuf, &target_len, sizeof(target_len)) == -1) {
465 abe0f35f 2020-03-18 stsp err = got_error_from_errno("imsg_add FETCH_SYMREFS");
466 abe0f35f 2020-03-18 stsp ibuf_free(wbuf);
467 abe0f35f 2020-03-18 stsp return err;
469 abe0f35f 2020-03-18 stsp if (imsg_add(wbuf, name, name_len) == -1) {
470 abe0f35f 2020-03-18 stsp err = got_error_from_errno("imsg_add FETCH_SYMREFS");
471 abe0f35f 2020-03-18 stsp ibuf_free(wbuf);
472 abe0f35f 2020-03-18 stsp return err;
474 abe0f35f 2020-03-18 stsp if (imsg_add(wbuf, target, target_len) == -1) {
475 abe0f35f 2020-03-18 stsp err = got_error_from_errno("imsg_add FETCH_SYMREFS");
476 abe0f35f 2020-03-18 stsp ibuf_free(wbuf);
477 abe0f35f 2020-03-18 stsp return err;
481 abe0f35f 2020-03-18 stsp wbuf->fd = -1;
482 abe0f35f 2020-03-18 stsp imsg_close(ibuf, wbuf);
483 abe0f35f 2020-03-18 stsp return flush_imsg(ibuf);
486 abe0f35f 2020-03-18 stsp const struct got_error *
487 b9f99abf 2020-03-18 stsp got_privsep_send_fetch_progress(struct imsgbuf *ibuf,
488 b9f99abf 2020-03-18 stsp struct got_object_id *refid, const char *refname)
490 b9f99abf 2020-03-18 stsp const struct got_error *err = NULL;
491 b9f99abf 2020-03-18 stsp struct ibuf *wbuf;
492 b9f99abf 2020-03-18 stsp size_t len, reflen = strlen(refname);
494 b9f99abf 2020-03-18 stsp len = sizeof(struct got_imsg_fetch_progress) + reflen;
495 b9f99abf 2020-03-18 stsp if (len >= MAX_IMSGSIZE - IMSG_HEADER_SIZE)
496 b9f99abf 2020-03-18 stsp return got_error(GOT_ERR_NO_SPACE);
498 b9f99abf 2020-03-18 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_PROGRESS, 0, 0, len);
499 b9f99abf 2020-03-18 stsp if (wbuf == NULL)
500 b9f99abf 2020-03-18 stsp return got_error_from_errno("imsg_create FETCH_PROGRESS");
502 b9f99abf 2020-03-18 stsp /* Keep in sync with struct got_imsg_fetch_progress definition! */
503 b9f99abf 2020-03-18 stsp if (imsg_add(wbuf, refid->sha1, SHA1_DIGEST_LENGTH) == -1) {
504 b9f99abf 2020-03-18 stsp err = got_error_from_errno("imsg_add FETCH_PROGRESS");
505 b9f99abf 2020-03-18 stsp ibuf_free(wbuf);
506 b9f99abf 2020-03-18 stsp return err;
508 b9f99abf 2020-03-18 stsp if (imsg_add(wbuf, refname, reflen) == -1) {
509 b9f99abf 2020-03-18 stsp err = got_error_from_errno("imsg_add FETCH_PROGRESS");
510 b9f99abf 2020-03-18 stsp ibuf_free(wbuf);
511 b9f99abf 2020-03-18 stsp return err;
514 b9f99abf 2020-03-18 stsp wbuf->fd = -1;
515 b9f99abf 2020-03-18 stsp imsg_close(ibuf, wbuf);
516 b9f99abf 2020-03-18 stsp return flush_imsg(ibuf);
519 b9f99abf 2020-03-18 stsp const struct got_error *
520 93658fb9 2020-03-18 stsp got_privsep_send_fetch_done(struct imsgbuf *ibuf, struct got_object_id hash)
522 93658fb9 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_FETCH_DONE, 0, 0, -1,
523 93658fb9 2020-03-18 stsp hash.sha1, SHA1_DIGEST_LENGTH) == -1)
524 93658fb9 2020-03-18 stsp return got_error_from_errno("imsg_compose FETCH");
525 93658fb9 2020-03-18 stsp return flush_imsg(ibuf);
529 93658fb9 2020-03-18 stsp const struct got_error *
530 8f2d01a6 2020-03-18 stsp got_privsep_recv_fetch_progress(int *done, struct got_object_id **id,
531 abe0f35f 2020-03-18 stsp char **refname, struct got_pathlist_head *symrefs, struct imsgbuf *ibuf)
533 b9f99abf 2020-03-18 stsp const struct got_error *err = NULL;
534 b9f99abf 2020-03-18 stsp struct imsg imsg;
535 b9f99abf 2020-03-18 stsp size_t datalen;
536 b9f99abf 2020-03-18 stsp const size_t min_datalen =
537 abe0f35f 2020-03-18 stsp MIN(MIN(sizeof(struct got_imsg_error),
538 abe0f35f 2020-03-18 stsp sizeof(struct got_imsg_fetch_progress)),
539 abe0f35f 2020-03-18 stsp sizeof(struct got_imsg_fetch_symrefs));
540 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symrefs *isymrefs = NULL;
541 abe0f35f 2020-03-18 stsp size_t n, remain;
545 8f2d01a6 2020-03-18 stsp *id = NULL;
546 b9f99abf 2020-03-18 stsp *refname = NULL;
548 b9f99abf 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
550 b9f99abf 2020-03-18 stsp return err;
552 b9f99abf 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
553 b9f99abf 2020-03-18 stsp switch (imsg.hdr.type) {
554 b9f99abf 2020-03-18 stsp case GOT_IMSG_ERROR:
555 b9f99abf 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
557 abe0f35f 2020-03-18 stsp case GOT_IMSG_FETCH_SYMREFS:
558 abe0f35f 2020-03-18 stsp if (datalen < sizeof(*isymrefs)) {
559 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
562 abe0f35f 2020-03-18 stsp if (isymrefs != NULL) {
563 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
566 abe0f35f 2020-03-18 stsp isymrefs = (struct got_imsg_fetch_symrefs *)imsg.data;
567 abe0f35f 2020-03-18 stsp off = sizeof(*isymrefs);
568 abe0f35f 2020-03-18 stsp remain = datalen - off;
569 abe0f35f 2020-03-18 stsp for (n = 0; n < isymrefs->nsymrefs; n++) {
570 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symref *s;
571 abe0f35f 2020-03-18 stsp char *name, *target;
572 abe0f35f 2020-03-18 stsp if (remain < sizeof(struct got_imsg_fetch_symref)) {
573 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
576 abe0f35f 2020-03-18 stsp s = (struct got_imsg_fetch_symref *)(imsg.data + off);
577 abe0f35f 2020-03-18 stsp off += sizeof(*s);
578 abe0f35f 2020-03-18 stsp remain -= sizeof(*s);
579 abe0f35f 2020-03-18 stsp if (remain < s->name_len) {
580 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
583 abe0f35f 2020-03-18 stsp name = strndup(imsg.data + off, s->name_len);
584 abe0f35f 2020-03-18 stsp if (name == NULL) {
585 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
588 abe0f35f 2020-03-18 stsp off += s->name_len;
589 abe0f35f 2020-03-18 stsp remain -= s->name_len;
590 abe0f35f 2020-03-18 stsp if (remain < s->target_len) {
591 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
592 abe0f35f 2020-03-18 stsp free(name);
595 abe0f35f 2020-03-18 stsp target = strndup(imsg.data + off, s->target_len);
596 abe0f35f 2020-03-18 stsp if (target == NULL) {
597 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
598 abe0f35f 2020-03-18 stsp free(name);
601 abe0f35f 2020-03-18 stsp off += s->target_len;
602 abe0f35f 2020-03-18 stsp remain -= s->target_len;
603 abe0f35f 2020-03-18 stsp err = got_pathlist_append(symrefs, name, target);
605 abe0f35f 2020-03-18 stsp free(name);
606 abe0f35f 2020-03-18 stsp free(target);
611 b9f99abf 2020-03-18 stsp case GOT_IMSG_FETCH_PROGRESS:
612 8f2d01a6 2020-03-18 stsp *id = malloc(sizeof(**id));
613 8f2d01a6 2020-03-18 stsp if (*id == NULL) {
614 b9f99abf 2020-03-18 stsp err = got_error_from_errno("malloc");
617 8f2d01a6 2020-03-18 stsp memcpy((*id)->sha1, imsg.data, SHA1_DIGEST_LENGTH);
618 b9f99abf 2020-03-18 stsp if (datalen <= SHA1_DIGEST_LENGTH) {
619 b9f99abf 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
622 b9f99abf 2020-03-18 stsp *refname = strndup(imsg.data + SHA1_DIGEST_LENGTH,
623 b9f99abf 2020-03-18 stsp datalen - SHA1_DIGEST_LENGTH);
624 b9f99abf 2020-03-18 stsp if (*refname == NULL) {
625 b9f99abf 2020-03-18 stsp err = got_error_from_errno("strndup");
629 8f2d01a6 2020-03-18 stsp case GOT_IMSG_FETCH_DONE:
630 8f2d01a6 2020-03-18 stsp *id = malloc(sizeof(**id));
631 8f2d01a6 2020-03-18 stsp if (*id == NULL) {
632 8f2d01a6 2020-03-18 stsp err = got_error_from_errno("malloc");
635 8f2d01a6 2020-03-18 stsp if (datalen != SHA1_DIGEST_LENGTH) {
636 8f2d01a6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
639 8f2d01a6 2020-03-18 stsp memcpy((*id)->sha1, imsg.data, SHA1_DIGEST_LENGTH);
643 b887aab6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
649 8f2d01a6 2020-03-18 stsp *id = NULL;
650 b887aab6 2020-03-18 stsp free(*refname);
651 b887aab6 2020-03-18 stsp *refname = NULL;
653 b9f99abf 2020-03-18 stsp imsg_free(&imsg);
654 b9f99abf 2020-03-18 stsp return err;
657 93658fb9 2020-03-18 stsp const struct got_error *
658 279090e1 2020-03-18 stsp got_privsep_send_index_pack_req(struct imsgbuf *ibuf, int fd, struct got_object_id *hash)
660 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
662 93658fb9 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_IDXPACK_REQUEST, 0, 0, fd,
663 279090e1 2020-03-18 stsp hash->sha1, SHA1_DIGEST_LENGTH) == -1) {
664 93658fb9 2020-03-18 stsp err = got_error_from_errno("imsg_compose INDEX_REQUEST");
666 93658fb9 2020-03-18 stsp return err;
668 93658fb9 2020-03-18 stsp return flush_imsg(ibuf);
671 93658fb9 2020-03-18 stsp const struct got_error *
672 93658fb9 2020-03-18 stsp got_privsep_send_index_pack_done(struct imsgbuf *ibuf)
674 93658fb9 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_IDXPACK_DONE, 0, 0, -1, NULL, 0) == -1)
675 93658fb9 2020-03-18 stsp return got_error_from_errno("imsg_compose FETCH");
676 93658fb9 2020-03-18 stsp return flush_imsg(ibuf);
679 93658fb9 2020-03-18 stsp const struct got_error *
680 93658fb9 2020-03-18 stsp got_privsep_wait_index_pack_done(struct imsgbuf *ibuf)
682 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
683 93658fb9 2020-03-18 stsp struct imsg imsg;
685 93658fb9 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
687 93658fb9 2020-03-18 stsp return err;
688 93658fb9 2020-03-18 stsp if (imsg.hdr.type == GOT_IMSG_IDXPACK_DONE)
689 93658fb9 2020-03-18 stsp return NULL;
691 93658fb9 2020-03-18 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
692 93658fb9 2020-03-18 stsp imsg_free(&imsg);
695 93658fb9 2020-03-18 stsp const struct got_error *
696 cfd633c2 2018-09-10 stsp got_privsep_get_imsg_obj(struct got_object **obj, struct imsg *imsg,
697 cfd633c2 2018-09-10 stsp struct imsgbuf *ibuf)
699 cfd633c2 2018-09-10 stsp const struct got_error *err = NULL;
700 291624d8 2018-11-07 stsp struct got_imsg_object *iobj;
701 cfd633c2 2018-09-10 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
703 291624d8 2018-11-07 stsp if (datalen != sizeof(*iobj))
704 cfd633c2 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
705 291624d8 2018-11-07 stsp iobj = imsg->data;
707 cfd633c2 2018-09-10 stsp *obj = calloc(1, sizeof(**obj));
708 cfd633c2 2018-09-10 stsp if (*obj == NULL)
709 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
711 291624d8 2018-11-07 stsp memcpy((*obj)->id.sha1, iobj->id, SHA1_DIGEST_LENGTH);
712 291624d8 2018-11-07 stsp (*obj)->type = iobj->type;
713 291624d8 2018-11-07 stsp (*obj)->flags = iobj->flags;
714 291624d8 2018-11-07 stsp (*obj)->hdrlen = iobj->hdrlen;
715 291624d8 2018-11-07 stsp (*obj)->size = iobj->size;
716 c59b3346 2018-09-11 stsp /* path_packfile is handled by caller */
717 291624d8 2018-11-07 stsp if (iobj->flags & GOT_OBJ_FLAG_PACKED) {
718 291624d8 2018-11-07 stsp (*obj)->pack_offset = iobj->pack_offset;
719 291624d8 2018-11-07 stsp (*obj)->pack_idx = iobj->pack_idx;
722 876c234b 2018-09-10 stsp return err;
725 2178c42e 2018-04-22 stsp const struct got_error *
726 2178c42e 2018-04-22 stsp got_privsep_recv_obj(struct got_object **obj, struct imsgbuf *ibuf)
728 2178c42e 2018-04-22 stsp const struct got_error *err = NULL;
729 2178c42e 2018-04-22 stsp struct imsg imsg;
730 c4eae628 2018-04-23 stsp const size_t min_datalen =
731 c4eae628 2018-04-23 stsp MIN(sizeof(struct got_imsg_error), sizeof(struct got_imsg_object));
733 2178c42e 2018-04-22 stsp *obj = NULL;
735 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
737 2178c42e 2018-04-22 stsp return err;
739 2178c42e 2018-04-22 stsp switch (imsg.hdr.type) {
740 2178c42e 2018-04-22 stsp case GOT_IMSG_OBJECT:
741 cfd633c2 2018-09-10 stsp err = got_privsep_get_imsg_obj(obj, &imsg, ibuf);
744 bff6ca00 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
748 bff6ca00 2018-04-23 stsp imsg_free(&imsg);
750 bff6ca00 2018-04-23 stsp return err;
753 c75f7264 2018-09-11 stsp static const struct got_error *
754 c75f7264 2018-09-11 stsp send_commit_logmsg(struct imsgbuf *ibuf, struct got_commit_object *commit,
755 c75f7264 2018-09-11 stsp size_t logmsg_len)
757 fa4ffeb3 2018-11-04 stsp const struct got_error *err = NULL;
758 c75f7264 2018-09-11 stsp size_t offset, remain;
760 c75f7264 2018-09-11 stsp offset = 0;
761 c75f7264 2018-09-11 stsp remain = logmsg_len;
762 c75f7264 2018-09-11 stsp while (remain > 0) {
763 c75f7264 2018-09-11 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
765 c75f7264 2018-09-11 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_LOGMSG, 0, 0, -1,
766 fa4ffeb3 2018-11-04 stsp commit->logmsg + offset, n) == -1) {
767 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose "
768 230a42bd 2019-05-11 jcs "COMMIT_LOGMSG");
772 fa4ffeb3 2018-11-04 stsp err = flush_imsg(ibuf);
776 c75f7264 2018-09-11 stsp offset += n;
777 c75f7264 2018-09-11 stsp remain -= n;
780 fa4ffeb3 2018-11-04 stsp return err;
783 bff6ca00 2018-04-23 stsp const struct got_error *
784 068fd2bf 2018-04-24 stsp got_privsep_send_commit(struct imsgbuf *ibuf, struct got_commit_object *commit)
786 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
787 b9c33926 2018-11-07 stsp struct got_imsg_commit_object *icommit;
788 bff6ca00 2018-04-23 stsp uint8_t *buf;
789 bff6ca00 2018-04-23 stsp size_t len, total;
790 79f35eb3 2018-06-11 stsp struct got_object_qid *qid;
791 b9c33926 2018-11-07 stsp size_t author_len = strlen(commit->author);
792 b9c33926 2018-11-07 stsp size_t committer_len = strlen(commit->committer);
793 c75f7264 2018-09-11 stsp size_t logmsg_len = strlen(commit->logmsg);
795 b9c33926 2018-11-07 stsp total = sizeof(*icommit) + author_len + committer_len +
796 b9c33926 2018-11-07 stsp commit->nparents * SHA1_DIGEST_LENGTH;
798 bff6ca00 2018-04-23 stsp buf = malloc(total);
799 bff6ca00 2018-04-23 stsp if (buf == NULL)
800 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
802 b9c33926 2018-11-07 stsp icommit = (struct got_imsg_commit_object *)buf;
803 a7403916 2018-12-24 stsp memcpy(icommit->tree_id, commit->tree_id->sha1,
804 a7403916 2018-12-24 stsp sizeof(icommit->tree_id));
805 b9c33926 2018-11-07 stsp icommit->author_len = author_len;
806 b9c33926 2018-11-07 stsp icommit->author_time = commit->author_time;
807 b9c33926 2018-11-07 stsp icommit->author_gmtoff = commit->author_gmtoff;
808 b9c33926 2018-11-07 stsp icommit->committer_len = committer_len;
809 b9c33926 2018-11-07 stsp icommit->committer_time = commit->committer_time;
810 b9c33926 2018-11-07 stsp icommit->committer_gmtoff = commit->committer_gmtoff;
811 b9c33926 2018-11-07 stsp icommit->logmsg_len = logmsg_len;
812 b9c33926 2018-11-07 stsp icommit->nparents = commit->nparents;
814 b9c33926 2018-11-07 stsp len = sizeof(*icommit);
815 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->author, author_len);
816 b9c33926 2018-11-07 stsp len += author_len;
817 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->committer, committer_len);
818 b9c33926 2018-11-07 stsp len += committer_len;
819 79f35eb3 2018-06-11 stsp SIMPLEQ_FOREACH(qid, &commit->parent_ids, entry) {
820 79f35eb3 2018-06-11 stsp memcpy(buf + len, qid->id, SHA1_DIGEST_LENGTH);
821 86acc566 2018-04-23 stsp len += SHA1_DIGEST_LENGTH;
824 bff6ca00 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT, 0, 0, -1, buf, len) == -1) {
825 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT");
829 904df868 2018-11-04 stsp if (logmsg_len == 0 ||
830 904df868 2018-11-04 stsp logmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
831 904df868 2018-11-04 stsp err = flush_imsg(ibuf);
835 c75f7264 2018-09-11 stsp err = send_commit_logmsg(ibuf, commit, logmsg_len);
838 bff6ca00 2018-04-23 stsp return err;
841 ca6e02ac 2020-01-07 stsp static const struct got_error *
842 ca6e02ac 2020-01-07 stsp get_commit_from_imsg(struct got_commit_object **commit,
843 ca6e02ac 2020-01-07 stsp struct imsg *imsg, size_t datalen, struct imsgbuf *ibuf)
845 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
846 291624d8 2018-11-07 stsp struct got_imsg_commit_object *icommit;
847 ca6e02ac 2020-01-07 stsp size_t len = 0;
850 ca6e02ac 2020-01-07 stsp if (datalen < sizeof(*icommit))
851 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
853 ca6e02ac 2020-01-07 stsp icommit = imsg->data;
854 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommit) + icommit->author_len +
855 ca6e02ac 2020-01-07 stsp icommit->committer_len +
856 ca6e02ac 2020-01-07 stsp icommit->nparents * SHA1_DIGEST_LENGTH)
857 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
859 ca6e02ac 2020-01-07 stsp if (icommit->nparents < 0)
860 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
862 ca6e02ac 2020-01-07 stsp len += sizeof(*icommit);
864 ca6e02ac 2020-01-07 stsp *commit = got_object_commit_alloc_partial();
865 ca6e02ac 2020-01-07 stsp if (*commit == NULL)
866 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
867 ca6e02ac 2020-01-07 stsp "got_object_commit_alloc_partial");
869 ca6e02ac 2020-01-07 stsp memcpy((*commit)->tree_id->sha1, icommit->tree_id,
870 ca6e02ac 2020-01-07 stsp SHA1_DIGEST_LENGTH);
871 ca6e02ac 2020-01-07 stsp (*commit)->author_time = icommit->author_time;
872 ca6e02ac 2020-01-07 stsp (*commit)->author_gmtoff = icommit->author_gmtoff;
873 ca6e02ac 2020-01-07 stsp (*commit)->committer_time = icommit->committer_time;
874 ca6e02ac 2020-01-07 stsp (*commit)->committer_gmtoff = icommit->committer_gmtoff;
876 ca6e02ac 2020-01-07 stsp if (icommit->author_len == 0) {
877 ca6e02ac 2020-01-07 stsp (*commit)->author = strdup("");
878 ca6e02ac 2020-01-07 stsp if ((*commit)->author == NULL) {
879 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
883 ca6e02ac 2020-01-07 stsp (*commit)->author = malloc(icommit->author_len + 1);
884 ca6e02ac 2020-01-07 stsp if ((*commit)->author == NULL) {
885 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
888 ca6e02ac 2020-01-07 stsp memcpy((*commit)->author, imsg->data + len,
889 ca6e02ac 2020-01-07 stsp icommit->author_len);
890 ca6e02ac 2020-01-07 stsp (*commit)->author[icommit->author_len] = '\0';
892 ca6e02ac 2020-01-07 stsp len += icommit->author_len;
894 ca6e02ac 2020-01-07 stsp if (icommit->committer_len == 0) {
895 ca6e02ac 2020-01-07 stsp (*commit)->committer = strdup("");
896 ca6e02ac 2020-01-07 stsp if ((*commit)->committer == NULL) {
897 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
901 ca6e02ac 2020-01-07 stsp (*commit)->committer =
902 ca6e02ac 2020-01-07 stsp malloc(icommit->committer_len + 1);
903 ca6e02ac 2020-01-07 stsp if ((*commit)->committer == NULL) {
904 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
907 ca6e02ac 2020-01-07 stsp memcpy((*commit)->committer, imsg->data + len,
908 ca6e02ac 2020-01-07 stsp icommit->committer_len);
909 ca6e02ac 2020-01-07 stsp (*commit)->committer[icommit->committer_len] = '\0';
911 ca6e02ac 2020-01-07 stsp len += icommit->committer_len;
913 ca6e02ac 2020-01-07 stsp if (icommit->logmsg_len == 0) {
914 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = strdup("");
915 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
916 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
920 ca6e02ac 2020-01-07 stsp size_t offset = 0, remain = icommit->logmsg_len;
922 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = malloc(icommit->logmsg_len + 1);
923 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
924 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
927 ca6e02ac 2020-01-07 stsp while (remain > 0) {
928 ca6e02ac 2020-01-07 stsp struct imsg imsg_log;
929 ca6e02ac 2020-01-07 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
932 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
936 ca6e02ac 2020-01-07 stsp if (imsg_log.hdr.type != GOT_IMSG_COMMIT_LOGMSG) {
937 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
941 ca6e02ac 2020-01-07 stsp memcpy((*commit)->logmsg + offset,
942 ca6e02ac 2020-01-07 stsp imsg_log.data, n);
943 ca6e02ac 2020-01-07 stsp imsg_free(&imsg_log);
944 ca6e02ac 2020-01-07 stsp offset += n;
945 ca6e02ac 2020-01-07 stsp remain -= n;
947 ca6e02ac 2020-01-07 stsp (*commit)->logmsg[icommit->logmsg_len] = '\0';
950 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommit->nparents; i++) {
951 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
953 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
956 ca6e02ac 2020-01-07 stsp memcpy(qid->id, imsg->data + len +
957 ca6e02ac 2020-01-07 stsp i * SHA1_DIGEST_LENGTH, sizeof(*qid->id));
958 ca6e02ac 2020-01-07 stsp SIMPLEQ_INSERT_TAIL(&(*commit)->parent_ids, qid, entry);
959 ca6e02ac 2020-01-07 stsp (*commit)->nparents++;
963 ca6e02ac 2020-01-07 stsp got_object_commit_close(*commit);
964 ca6e02ac 2020-01-07 stsp *commit = NULL;
966 ca6e02ac 2020-01-07 stsp return err;
969 ca6e02ac 2020-01-07 stsp const struct got_error *
970 ca6e02ac 2020-01-07 stsp got_privsep_recv_commit(struct got_commit_object **commit, struct imsgbuf *ibuf)
972 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
973 ca6e02ac 2020-01-07 stsp struct imsg imsg;
974 ca6e02ac 2020-01-07 stsp size_t datalen;
975 ca6e02ac 2020-01-07 stsp const size_t min_datalen =
976 ca6e02ac 2020-01-07 stsp MIN(sizeof(struct got_imsg_error),
977 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_object));
979 ca6e02ac 2020-01-07 stsp *commit = NULL;
981 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
983 ca6e02ac 2020-01-07 stsp return err;
985 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
987 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
988 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
989 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(commit, &imsg, datalen, ibuf);
992 8c580685 2018-04-22 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
996 2178c42e 2018-04-22 stsp imsg_free(&imsg);
998 e033d803 2018-04-23 stsp return err;
1001 e033d803 2018-04-23 stsp const struct got_error *
1002 3022d272 2019-11-14 stsp got_privsep_send_tree(struct imsgbuf *ibuf, struct got_pathlist_head *entries,
1003 3022d272 2019-11-14 stsp int nentries)
1005 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
1006 e033d803 2018-04-23 stsp struct got_imsg_tree_object itree;
1007 3022d272 2019-11-14 stsp struct got_pathlist_entry *pe;
1008 b00c9821 2018-11-04 stsp size_t totlen;
1009 6eb07a17 2018-11-04 stsp int nimsg; /* number of imsg queued in ibuf */
1011 3022d272 2019-11-14 stsp itree.nentries = nentries;
1012 e033d803 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_TREE, 0, 0, -1, &itree, sizeof(itree))
1014 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose TREE");
1016 b00c9821 2018-11-04 stsp totlen = sizeof(itree);
1017 6eb07a17 2018-11-04 stsp nimsg = 1;
1018 3022d272 2019-11-14 stsp TAILQ_FOREACH(pe, entries, entry) {
1019 3022d272 2019-11-14 stsp const char *name = pe->path;
1020 3022d272 2019-11-14 stsp struct got_parsed_tree_entry *pte = pe->data;
1021 3022d272 2019-11-14 stsp struct ibuf *wbuf;
1022 3022d272 2019-11-14 stsp size_t namelen = strlen(name);
1023 cd9e913a 2019-11-27 stsp size_t len = sizeof(struct got_imsg_tree_entry) + namelen;
1025 e033d803 2018-04-23 stsp if (len > MAX_IMSGSIZE)
1026 e033d803 2018-04-23 stsp return got_error(GOT_ERR_NO_SPACE);
1029 6eb07a17 2018-11-04 stsp if (totlen + len >= MAX_IMSGSIZE - (IMSG_HEADER_SIZE * nimsg)) {
1030 b00c9821 2018-11-04 stsp err = flush_imsg(ibuf);
1032 b00c9821 2018-11-04 stsp return err;
1033 6eb07a17 2018-11-04 stsp nimsg = 0;
1036 3022d272 2019-11-14 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_ENTRY, 0, 0, len);
1037 3022d272 2019-11-14 stsp if (wbuf == NULL)
1038 3022d272 2019-11-14 stsp return got_error_from_errno("imsg_create TREE_ENTRY");
1040 3022d272 2019-11-14 stsp /* Keep in sync with struct got_imsg_tree_object definition! */
1041 3b647085 2019-11-23 stsp if (imsg_add(wbuf, pte->id, SHA1_DIGEST_LENGTH) == -1) {
1042 3022d272 2019-11-14 stsp err = got_error_from_errno("imsg_add TREE_ENTRY");
1043 3b647085 2019-11-23 stsp ibuf_free(wbuf);
1044 e033d803 2018-04-23 stsp return err;
1046 3b647085 2019-11-23 stsp if (imsg_add(wbuf, &pte->mode, sizeof(pte->mode)) == -1) {
1047 3022d272 2019-11-14 stsp err = got_error_from_errno("imsg_add TREE_ENTRY");
1048 3b647085 2019-11-23 stsp ibuf_free(wbuf);
1049 3022d272 2019-11-14 stsp return err;
1052 3b647085 2019-11-23 stsp if (imsg_add(wbuf, name, namelen) == -1) {
1053 3022d272 2019-11-14 stsp err = got_error_from_errno("imsg_add TREE_ENTRY");
1054 3b647085 2019-11-23 stsp ibuf_free(wbuf);
1055 3022d272 2019-11-14 stsp return err;
1058 3022d272 2019-11-14 stsp wbuf->fd = -1;
1059 3022d272 2019-11-14 stsp imsg_close(ibuf, wbuf);
1061 b00c9821 2018-11-04 stsp totlen += len;
1064 b00c9821 2018-11-04 stsp return flush_imsg(ibuf);
1067 e033d803 2018-04-23 stsp const struct got_error *
1068 068fd2bf 2018-04-24 stsp got_privsep_recv_tree(struct got_tree_object **tree, struct imsgbuf *ibuf)
1070 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
1071 e033d803 2018-04-23 stsp const size_t min_datalen =
1072 e033d803 2018-04-23 stsp MIN(sizeof(struct got_imsg_error),
1073 e033d803 2018-04-23 stsp sizeof(struct got_imsg_tree_object));
1074 291624d8 2018-11-07 stsp struct got_imsg_tree_object *itree;
1075 e033d803 2018-04-23 stsp int nentries = 0;
1077 e033d803 2018-04-23 stsp *tree = NULL;
1079 e033d803 2018-04-23 stsp err = read_imsg(ibuf);
1081 1e51f5b9 2018-04-23 stsp goto done;
1084 e033d803 2018-04-23 stsp struct imsg imsg;
1086 e033d803 2018-04-23 stsp size_t datalen;
1087 c0588d8d 2018-11-07 stsp struct got_imsg_tree_entry *ite;
1088 e033d803 2018-04-23 stsp struct got_tree_entry *te = NULL;
1090 e033d803 2018-04-23 stsp n = imsg_get(ibuf, &imsg);
1091 e033d803 2018-04-23 stsp if (n == 0) {
1092 56e0773d 2019-11-28 stsp if (*tree && (*tree)->nentries != nentries)
1093 e033d803 2018-04-23 stsp goto get_more;
1097 e033d803 2018-04-23 stsp if (imsg.hdr.len < IMSG_HEADER_SIZE + min_datalen)
1098 e033d803 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1100 e033d803 2018-04-23 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1102 e033d803 2018-04-23 stsp switch (imsg.hdr.type) {
1103 e033d803 2018-04-23 stsp case GOT_IMSG_ERROR:
1104 e033d803 2018-04-23 stsp err = recv_imsg_error(&imsg, datalen);
1106 e033d803 2018-04-23 stsp case GOT_IMSG_TREE:
1107 e033d803 2018-04-23 stsp /* This message should only appear once. */
1108 e033d803 2018-04-23 stsp if (*tree != NULL) {
1109 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1112 291624d8 2018-11-07 stsp if (datalen != sizeof(*itree)) {
1113 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1116 291624d8 2018-11-07 stsp itree = imsg.data;
1117 c3b78ecc 2018-11-07 stsp *tree = malloc(sizeof(**tree));
1118 e033d803 2018-04-23 stsp if (*tree == NULL) {
1119 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1122 56e0773d 2019-11-28 stsp (*tree)->entries = calloc(itree->nentries,
1123 56e0773d 2019-11-28 stsp sizeof(struct got_tree_entry));
1124 56e0773d 2019-11-28 stsp if ((*tree)->entries == NULL) {
1125 56e0773d 2019-11-28 stsp err = got_error_from_errno("malloc");
1128 56e0773d 2019-11-28 stsp (*tree)->nentries = itree->nentries;
1129 c3b78ecc 2018-11-07 stsp (*tree)->refcnt = 0;
1131 e033d803 2018-04-23 stsp case GOT_IMSG_TREE_ENTRY:
1132 e033d803 2018-04-23 stsp /* This message should be preceeded by GOT_IMSG_TREE. */
1133 e033d803 2018-04-23 stsp if (*tree == NULL) {
1134 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1137 c0588d8d 2018-11-07 stsp if (datalen < sizeof(*ite) || datalen > MAX_IMSGSIZE) {
1138 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1142 e033d803 2018-04-23 stsp /* Remaining data contains the entry's name. */
1143 c0588d8d 2018-11-07 stsp datalen -= sizeof(*ite);
1144 e033d803 2018-04-23 stsp if (datalen == 0 || datalen > MAX_IMSGSIZE) {
1145 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1148 c0588d8d 2018-11-07 stsp ite = imsg.data;
1150 56e0773d 2019-11-28 stsp if (datalen + 1 > sizeof(te->name)) {
1151 56e0773d 2019-11-28 stsp err = got_error(GOT_ERR_NO_SPACE);
1154 56e0773d 2019-11-28 stsp te = &(*tree)->entries[nentries];
1155 c0588d8d 2018-11-07 stsp memcpy(te->name, imsg.data + sizeof(*ite), datalen);
1156 e033d803 2018-04-23 stsp te->name[datalen] = '\0';
1158 56e0773d 2019-11-28 stsp memcpy(te->id.sha1, ite->id, SHA1_DIGEST_LENGTH);
1159 c0588d8d 2018-11-07 stsp te->mode = ite->mode;
1160 56e0773d 2019-11-28 stsp te->idx = nentries;
1161 e033d803 2018-04-23 stsp nentries++;
1164 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1168 e033d803 2018-04-23 stsp imsg_free(&imsg);
1171 56e0773d 2019-11-28 stsp if (*tree && (*tree)->nentries != nentries) {
1172 1e51f5b9 2018-04-23 stsp if (err == NULL)
1173 1e51f5b9 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1174 e033d803 2018-04-23 stsp got_object_tree_close(*tree);
1175 e033d803 2018-04-23 stsp *tree = NULL;
1178 ff6b18f8 2018-04-24 stsp return err;
1181 ff6b18f8 2018-04-24 stsp const struct got_error *
1182 ac544f8c 2019-01-13 stsp got_privsep_send_blob(struct imsgbuf *ibuf, size_t size, size_t hdrlen,
1183 ac544f8c 2019-01-13 stsp const uint8_t *data)
1185 2967a784 2018-04-24 stsp struct got_imsg_blob iblob;
1187 2967a784 2018-04-24 stsp iblob.size = size;
1188 ebc55e2d 2018-12-24 stsp iblob.hdrlen = hdrlen;
1190 ac544f8c 2019-01-13 stsp if (data) {
1191 ac544f8c 2019-01-13 stsp uint8_t *buf;
1193 ac544f8c 2019-01-13 stsp if (size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX)
1194 ac544f8c 2019-01-13 stsp return got_error(GOT_ERR_NO_SPACE);
1196 ac544f8c 2019-01-13 stsp buf = malloc(sizeof(iblob) + size);
1197 ac544f8c 2019-01-13 stsp if (buf == NULL)
1198 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1200 ac544f8c 2019-01-13 stsp memcpy(buf, &iblob, sizeof(iblob));
1201 ac544f8c 2019-01-13 stsp memcpy(buf + sizeof(iblob), data, size);
1202 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, buf,
1203 ac544f8c 2019-01-13 stsp sizeof(iblob) + size) == -1) {
1204 ac544f8c 2019-01-13 stsp free(buf);
1205 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1207 ac544f8c 2019-01-13 stsp free(buf);
1209 ac544f8c 2019-01-13 stsp /* Data has already been written to file descriptor. */
1210 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, &iblob,
1211 ac544f8c 2019-01-13 stsp sizeof(iblob)) == -1)
1212 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1216 ff6b18f8 2018-04-24 stsp return flush_imsg(ibuf);
1219 ff6b18f8 2018-04-24 stsp const struct got_error *
1220 ac544f8c 2019-01-13 stsp got_privsep_recv_blob(uint8_t **outbuf, size_t *size, size_t *hdrlen,
1221 ac544f8c 2019-01-13 stsp struct imsgbuf *ibuf)
1223 ff6b18f8 2018-04-24 stsp const struct got_error *err = NULL;
1224 ff6b18f8 2018-04-24 stsp struct imsg imsg;
1225 291624d8 2018-11-07 stsp struct got_imsg_blob *iblob;
1226 ff6b18f8 2018-04-24 stsp size_t datalen;
1228 ac544f8c 2019-01-13 stsp *outbuf = NULL;
1230 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1232 ff6b18f8 2018-04-24 stsp return err;
1234 ff6b18f8 2018-04-24 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1236 ff6b18f8 2018-04-24 stsp switch (imsg.hdr.type) {
1237 ff6b18f8 2018-04-24 stsp case GOT_IMSG_BLOB:
1238 ac544f8c 2019-01-13 stsp if (datalen < sizeof(*iblob)) {
1239 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1242 291624d8 2018-11-07 stsp iblob = imsg.data;
1243 291624d8 2018-11-07 stsp *size = iblob->size;
1244 ebc55e2d 2018-12-24 stsp *hdrlen = iblob->hdrlen;
1246 ac544f8c 2019-01-13 stsp if (datalen == sizeof(*iblob)) {
1247 ac544f8c 2019-01-13 stsp /* Data has been written to file descriptor. */
1251 ac544f8c 2019-01-13 stsp if (*size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX) {
1252 ac544f8c 2019-01-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1256 ac544f8c 2019-01-13 stsp *outbuf = malloc(*size);
1257 ac544f8c 2019-01-13 stsp if (*outbuf == NULL) {
1258 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1261 ac544f8c 2019-01-13 stsp memcpy(*outbuf, imsg.data + sizeof(*iblob), *size);
1264 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1268 f4a881ce 2018-11-17 stsp imsg_free(&imsg);
1270 f4a881ce 2018-11-17 stsp return err;
1273 f4a881ce 2018-11-17 stsp static const struct got_error *
1274 f4a881ce 2018-11-17 stsp send_tagmsg(struct imsgbuf *ibuf, struct got_tag_object *tag, size_t tagmsg_len)
1276 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1277 f4a881ce 2018-11-17 stsp size_t offset, remain;
1279 f4a881ce 2018-11-17 stsp offset = 0;
1280 f4a881ce 2018-11-17 stsp remain = tagmsg_len;
1281 f4a881ce 2018-11-17 stsp while (remain > 0) {
1282 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1284 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_TAGMSG, 0, 0, -1,
1285 f4a881ce 2018-11-17 stsp tag->tagmsg + offset, n) == -1) {
1286 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG_TAGMSG");
1290 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1294 f4a881ce 2018-11-17 stsp offset += n;
1295 f4a881ce 2018-11-17 stsp remain -= n;
1298 f4a881ce 2018-11-17 stsp return err;
1301 f4a881ce 2018-11-17 stsp const struct got_error *
1302 f4a881ce 2018-11-17 stsp got_privsep_send_tag(struct imsgbuf *ibuf, struct got_tag_object *tag)
1304 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1305 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1306 f4a881ce 2018-11-17 stsp uint8_t *buf;
1307 f4a881ce 2018-11-17 stsp size_t len, total;
1308 f4a881ce 2018-11-17 stsp size_t tag_len = strlen(tag->tag);
1309 f4a881ce 2018-11-17 stsp size_t tagger_len = strlen(tag->tagger);
1310 f4a881ce 2018-11-17 stsp size_t tagmsg_len = strlen(tag->tagmsg);
1312 f4a881ce 2018-11-17 stsp total = sizeof(*itag) + tag_len + tagger_len + tagmsg_len;
1314 f4a881ce 2018-11-17 stsp buf = malloc(total);
1315 f4a881ce 2018-11-17 stsp if (buf == NULL)
1316 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1318 f4a881ce 2018-11-17 stsp itag = (struct got_imsg_tag_object *)buf;
1319 f4a881ce 2018-11-17 stsp memcpy(itag->id, tag->id.sha1, sizeof(itag->id));
1320 f4a881ce 2018-11-17 stsp itag->obj_type = tag->obj_type;
1321 f4a881ce 2018-11-17 stsp itag->tag_len = tag_len;
1322 f4a881ce 2018-11-17 stsp itag->tagger_len = tagger_len;
1323 f4a881ce 2018-11-17 stsp itag->tagger_time = tag->tagger_time;
1324 f4a881ce 2018-11-17 stsp itag->tagger_gmtoff = tag->tagger_gmtoff;
1325 f4a881ce 2018-11-17 stsp itag->tagmsg_len = tagmsg_len;
1327 f4a881ce 2018-11-17 stsp len = sizeof(*itag);
1328 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tag, tag_len);
1329 f4a881ce 2018-11-17 stsp len += tag_len;
1330 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tagger, tagger_len);
1331 f4a881ce 2018-11-17 stsp len += tagger_len;
1333 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG, 0, 0, -1, buf, len) == -1) {
1334 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG");
1335 f4a881ce 2018-11-17 stsp goto done;
1338 f4a881ce 2018-11-17 stsp if (tagmsg_len == 0 ||
1339 f4a881ce 2018-11-17 stsp tagmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1340 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1342 f4a881ce 2018-11-17 stsp goto done;
1344 f4a881ce 2018-11-17 stsp err = send_tagmsg(ibuf, tag, tagmsg_len);
1346 f4a881ce 2018-11-17 stsp free(buf);
1347 f4a881ce 2018-11-17 stsp return err;
1350 f4a881ce 2018-11-17 stsp const struct got_error *
1351 f4a881ce 2018-11-17 stsp got_privsep_recv_tag(struct got_tag_object **tag, struct imsgbuf *ibuf)
1353 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1354 f4a881ce 2018-11-17 stsp struct imsg imsg;
1355 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1356 f4a881ce 2018-11-17 stsp size_t len, datalen;
1357 f4a881ce 2018-11-17 stsp const size_t min_datalen =
1358 f4a881ce 2018-11-17 stsp MIN(sizeof(struct got_imsg_error),
1359 f4a881ce 2018-11-17 stsp sizeof(struct got_imsg_tag_object));
1361 f4a881ce 2018-11-17 stsp *tag = NULL;
1363 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1365 f4a881ce 2018-11-17 stsp return err;
1367 f4a881ce 2018-11-17 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1370 f4a881ce 2018-11-17 stsp switch (imsg.hdr.type) {
1371 f4a881ce 2018-11-17 stsp case GOT_IMSG_TAG:
1372 f4a881ce 2018-11-17 stsp if (datalen < sizeof(*itag)) {
1373 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1376 f4a881ce 2018-11-17 stsp itag = imsg.data;
1377 f4a881ce 2018-11-17 stsp if (datalen != sizeof(*itag) + itag->tag_len +
1378 f4a881ce 2018-11-17 stsp itag->tagger_len) {
1379 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1382 f4a881ce 2018-11-17 stsp len += sizeof(*itag);
1384 f4a881ce 2018-11-17 stsp *tag = calloc(1, sizeof(**tag));
1385 f4a881ce 2018-11-17 stsp if (*tag == NULL) {
1386 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
1390 f4a881ce 2018-11-17 stsp memcpy((*tag)->id.sha1, itag->id, SHA1_DIGEST_LENGTH);
1392 f4a881ce 2018-11-17 stsp if (itag->tag_len == 0) {
1393 f4a881ce 2018-11-17 stsp (*tag)->tag = strdup("");
1394 f4a881ce 2018-11-17 stsp if ((*tag)->tag == NULL) {
1395 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1399 f4a881ce 2018-11-17 stsp (*tag)->tag = malloc(itag->tag_len + 1);
1400 f4a881ce 2018-11-17 stsp if ((*tag)->tag == NULL) {
1401 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1404 f4a881ce 2018-11-17 stsp memcpy((*tag)->tag, imsg.data + len,
1405 f4a881ce 2018-11-17 stsp itag->tag_len);
1406 f4a881ce 2018-11-17 stsp (*tag)->tag[itag->tag_len] = '\0';
1408 f4a881ce 2018-11-17 stsp len += itag->tag_len;
1410 f4a881ce 2018-11-17 stsp (*tag)->obj_type = itag->obj_type;
1411 f4a881ce 2018-11-17 stsp (*tag)->tagger_time = itag->tagger_time;
1412 f4a881ce 2018-11-17 stsp (*tag)->tagger_gmtoff = itag->tagger_gmtoff;
1414 f4a881ce 2018-11-17 stsp if (itag->tagger_len == 0) {
1415 f4a881ce 2018-11-17 stsp (*tag)->tagger = strdup("");
1416 f4a881ce 2018-11-17 stsp if ((*tag)->tagger == NULL) {
1417 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1421 f4a881ce 2018-11-17 stsp (*tag)->tagger = malloc(itag->tagger_len + 1);
1422 f4a881ce 2018-11-17 stsp if ((*tag)->tagger == NULL) {
1423 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1426 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagger, imsg.data + len,
1427 f4a881ce 2018-11-17 stsp itag->tagger_len);
1428 f4a881ce 2018-11-17 stsp (*tag)->tagger[itag->tagger_len] = '\0';
1430 f4a881ce 2018-11-17 stsp len += itag->tagger_len;
1432 f4a881ce 2018-11-17 stsp if (itag->tagmsg_len == 0) {
1433 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = strdup("");
1434 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1435 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1439 f4a881ce 2018-11-17 stsp size_t offset = 0, remain = itag->tagmsg_len;
1441 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = malloc(itag->tagmsg_len + 1);
1442 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1443 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1446 f4a881ce 2018-11-17 stsp while (remain > 0) {
1447 f4a881ce 2018-11-17 stsp struct imsg imsg_log;
1448 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1451 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1453 f4a881ce 2018-11-17 stsp return err;
1455 f4a881ce 2018-11-17 stsp if (imsg_log.hdr.type != GOT_IMSG_TAG_TAGMSG)
1456 f4a881ce 2018-11-17 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
1458 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagmsg + offset, imsg_log.data,
1460 f4a881ce 2018-11-17 stsp imsg_free(&imsg_log);
1461 f4a881ce 2018-11-17 stsp offset += n;
1462 f4a881ce 2018-11-17 stsp remain -= n;
1464 f4a881ce 2018-11-17 stsp (*tag)->tagmsg[itag->tagmsg_len] = '\0';
1469 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1473 ff6b18f8 2018-04-24 stsp imsg_free(&imsg);
1475 2178c42e 2018-04-22 stsp return err;
1478 876c234b 2018-09-10 stsp const struct got_error *
1479 876c234b 2018-09-10 stsp got_privsep_init_pack_child(struct imsgbuf *ibuf, struct got_pack *pack,
1480 876c234b 2018-09-10 stsp struct got_packidx *packidx)
1482 41496140 2019-02-21 stsp const struct got_error *err = NULL;
1483 876c234b 2018-09-10 stsp struct got_imsg_packidx ipackidx;
1484 876c234b 2018-09-10 stsp struct got_imsg_pack ipack;
1487 876c234b 2018-09-10 stsp ipackidx.len = packidx->len;
1488 876c234b 2018-09-10 stsp fd = dup(packidx->fd);
1489 876c234b 2018-09-10 stsp if (fd == -1)
1490 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1492 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKIDX, 0, 0, fd, &ipackidx,
1493 41496140 2019-02-21 stsp sizeof(ipackidx)) == -1) {
1494 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACKIDX");
1495 41496140 2019-02-21 stsp close(fd);
1496 41496140 2019-02-21 stsp return err;
1499 876c234b 2018-09-10 stsp if (strlcpy(ipack.path_packfile, pack->path_packfile,
1500 876c234b 2018-09-10 stsp sizeof(ipack.path_packfile)) >= sizeof(ipack.path_packfile))
1501 876c234b 2018-09-10 stsp return got_error(GOT_ERR_NO_SPACE);
1502 876c234b 2018-09-10 stsp ipack.filesize = pack->filesize;
1504 876c234b 2018-09-10 stsp fd = dup(pack->fd);
1505 876c234b 2018-09-10 stsp if (fd == -1)
1506 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1508 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACK, 0, 0, fd, &ipack, sizeof(ipack))
1510 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACK");
1511 41496140 2019-02-21 stsp close(fd);
1512 41496140 2019-02-21 stsp return err;
1515 876c234b 2018-09-10 stsp return flush_imsg(ibuf);
1518 876c234b 2018-09-10 stsp const struct got_error *
1519 106807b4 2018-09-15 stsp got_privsep_send_packed_obj_req(struct imsgbuf *ibuf, int idx,
1520 106807b4 2018-09-15 stsp struct got_object_id *id)
1522 876c234b 2018-09-10 stsp struct got_imsg_packed_object iobj;
1524 876c234b 2018-09-10 stsp iobj.idx = idx;
1525 106807b4 2018-09-15 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
1527 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_OBJECT_REQUEST, 0, 0, -1,
1528 876c234b 2018-09-10 stsp &iobj, sizeof(iobj)) == -1)
1529 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose "
1530 230a42bd 2019-05-11 jcs "PACKED_OBJECT_REQUEST");
1532 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1535 aba9c984 2019-09-08 stsp const struct got_error *
1536 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_parse_req(struct imsgbuf *ibuf, int fd)
1538 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
1540 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_PARSE_REQUEST, 0, 0, fd,
1541 aba9c984 2019-09-08 stsp NULL, 0) == -1) {
1542 aba9c984 2019-09-08 stsp err = got_error_from_errno("imsg_compose "
1543 aba9c984 2019-09-08 stsp "GITCONFIG_PARSE_REQUEST");
1544 aba9c984 2019-09-08 stsp close(fd);
1545 aba9c984 2019-09-08 stsp return err;
1548 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1551 aba9c984 2019-09-08 stsp const struct got_error *
1552 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_repository_format_version_req(struct imsgbuf *ibuf)
1554 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
1555 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST, 0, 0, -1,
1556 aba9c984 2019-09-08 stsp NULL, 0) == -1)
1557 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
1558 aba9c984 2019-09-08 stsp "GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST");
1560 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1563 aba9c984 2019-09-08 stsp const struct got_error *
1564 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_name_req(struct imsgbuf *ibuf)
1566 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
1567 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_NAME_REQUEST, 0, 0, -1, NULL, 0) == -1)
1568 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
1569 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_NAME_REQUEST");
1571 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1574 aba9c984 2019-09-08 stsp const struct got_error *
1575 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_email_req(struct imsgbuf *ibuf)
1577 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
1578 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_EMAIL_REQUEST, 0, 0, -1, NULL, 0) == -1)
1579 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
1580 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_EMAIL_REQUEST");
1582 cd95becd 2019-11-29 stsp return flush_imsg(ibuf);
1585 cd95becd 2019-11-29 stsp const struct got_error *
1586 cd95becd 2019-11-29 stsp got_privsep_send_gitconfig_remotes_req(struct imsgbuf *ibuf)
1588 cd95becd 2019-11-29 stsp if (imsg_compose(ibuf,
1589 cd95becd 2019-11-29 stsp GOT_IMSG_GITCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
1590 cd95becd 2019-11-29 stsp return got_error_from_errno("imsg_compose "
1591 cd95becd 2019-11-29 stsp "GITCONFIG_REMOTE_REQUEST");
1593 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1596 aba9c984 2019-09-08 stsp const struct got_error *
1597 9a1cc63f 2020-02-03 stsp got_privsep_send_gitconfig_owner_req(struct imsgbuf *ibuf)
1599 9a1cc63f 2020-02-03 stsp if (imsg_compose(ibuf,
1600 9a1cc63f 2020-02-03 stsp GOT_IMSG_GITCONFIG_OWNER_REQUEST, 0, 0, -1, NULL, 0) == -1)
1601 9a1cc63f 2020-02-03 stsp return got_error_from_errno("imsg_compose "
1602 9a1cc63f 2020-02-03 stsp "GITCONFIG_OWNER_REQUEST");
1604 9a1cc63f 2020-02-03 stsp return flush_imsg(ibuf);
1607 9a1cc63f 2020-02-03 stsp const struct got_error *
1608 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_str(struct imsgbuf *ibuf, const char *value)
1610 aba9c984 2019-09-08 stsp size_t len = value ? strlen(value) + 1 : 0;
1612 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_STR_VAL, 0, 0, -1,
1613 aba9c984 2019-09-08 stsp value, len) == -1)
1614 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose GITCONFIG_STR_VAL");
1616 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1619 aba9c984 2019-09-08 stsp const struct got_error *
1620 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_str(char **str, struct imsgbuf *ibuf)
1622 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
1623 aba9c984 2019-09-08 stsp struct imsg imsg;
1624 aba9c984 2019-09-08 stsp size_t datalen;
1625 aba9c984 2019-09-08 stsp const size_t min_datalen = 0;
1627 aba9c984 2019-09-08 stsp *str = NULL;
1629 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1631 aba9c984 2019-09-08 stsp return err;
1632 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1634 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
1635 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_STR_VAL:
1636 aba9c984 2019-09-08 stsp if (datalen == 0)
1638 aba9c984 2019-09-08 stsp *str = malloc(datalen);
1639 aba9c984 2019-09-08 stsp if (*str == NULL) {
1640 aba9c984 2019-09-08 stsp err = got_error_from_errno("malloc");
1643 aba9c984 2019-09-08 stsp if (strlcpy(*str, imsg.data, datalen) >= datalen)
1644 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_NO_SPACE);
1647 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1651 aba9c984 2019-09-08 stsp imsg_free(&imsg);
1652 aba9c984 2019-09-08 stsp return err;
1655 aba9c984 2019-09-08 stsp const struct got_error *
1656 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_int(struct imsgbuf *ibuf, int value)
1658 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_INT_VAL, 0, 0, -1,
1659 aba9c984 2019-09-08 stsp &value, sizeof(value)) == -1)
1660 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose GITCONFIG_INT_VAL");
1662 876c234b 2018-09-10 stsp return flush_imsg(ibuf);
1665 63219cd2 2019-01-04 stsp const struct got_error *
1666 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_int(int *val, struct imsgbuf *ibuf)
1668 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
1669 aba9c984 2019-09-08 stsp struct imsg imsg;
1670 aba9c984 2019-09-08 stsp size_t datalen;
1671 aba9c984 2019-09-08 stsp const size_t min_datalen =
1672 aba9c984 2019-09-08 stsp MIN(sizeof(struct got_imsg_error), sizeof(int));
1676 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1678 aba9c984 2019-09-08 stsp return err;
1679 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1681 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
1682 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_INT_VAL:
1683 aba9c984 2019-09-08 stsp if (datalen != sizeof(*val)) {
1684 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1687 aba9c984 2019-09-08 stsp memcpy(val, imsg.data, sizeof(*val));
1690 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1694 cd95becd 2019-11-29 stsp imsg_free(&imsg);
1695 cd95becd 2019-11-29 stsp return err;
1698 cd95becd 2019-11-29 stsp const struct got_error *
1699 cd95becd 2019-11-29 stsp got_privsep_send_gitconfig_remotes(struct imsgbuf *ibuf,
1700 cd95becd 2019-11-29 stsp struct got_remote_repo *remotes, int nremotes)
1702 cd95becd 2019-11-29 stsp const struct got_error *err = NULL;
1703 cd95becd 2019-11-29 stsp struct got_imsg_remotes iremotes;
1706 cd95becd 2019-11-29 stsp iremotes.nremotes = nremotes;
1707 cd95becd 2019-11-29 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_REMOTES, 0, 0, -1,
1708 cd95becd 2019-11-29 stsp &iremotes, sizeof(iremotes)) == -1)
1709 cd95becd 2019-11-29 stsp return got_error_from_errno("imsg_compose GITCONFIG_REMOTES");
1711 cd95becd 2019-11-29 stsp err = flush_imsg(ibuf);
1712 cd95becd 2019-11-29 stsp imsg_clear(ibuf);
1714 cd95becd 2019-11-29 stsp return err;
1716 cd95becd 2019-11-29 stsp for (i = 0; i < nremotes; i++) {
1717 cd95becd 2019-11-29 stsp struct got_imsg_remote iremote;
1718 cd95becd 2019-11-29 stsp size_t len = sizeof(iremote);
1719 cd95becd 2019-11-29 stsp struct ibuf *wbuf;
1721 cd95becd 2019-11-29 stsp iremote.name_len = strlen(remotes[i].name);
1722 cd95becd 2019-11-29 stsp len += iremote.name_len;
1723 cd95becd 2019-11-29 stsp iremote.url_len = strlen(remotes[i].url);
1724 cd95becd 2019-11-29 stsp len += iremote.url_len;
1726 cd95becd 2019-11-29 stsp wbuf = imsg_create(ibuf, GOT_IMSG_GITCONFIG_REMOTE, 0, 0, len);
1727 cd95becd 2019-11-29 stsp if (wbuf == NULL)
1728 cd95becd 2019-11-29 stsp return got_error_from_errno(
1729 cd95becd 2019-11-29 stsp "imsg_create GITCONFIG_REMOTE");
1731 cd95becd 2019-11-29 stsp if (imsg_add(wbuf, &iremote, sizeof(iremote)) == -1) {
1732 cd95becd 2019-11-29 stsp err = got_error_from_errno(
1733 cd95becd 2019-11-29 stsp "imsg_add GIITCONFIG_REMOTE");
1734 cd95becd 2019-11-29 stsp ibuf_free(wbuf);
1735 cd95becd 2019-11-29 stsp return err;
1738 cd95becd 2019-11-29 stsp if (imsg_add(wbuf, remotes[i].name, iremote.name_len) == -1) {
1739 cd95becd 2019-11-29 stsp err = got_error_from_errno(
1740 cd95becd 2019-11-29 stsp "imsg_add GIITCONFIG_REMOTE");
1741 cd95becd 2019-11-29 stsp ibuf_free(wbuf);
1742 cd95becd 2019-11-29 stsp return err;
1744 cd95becd 2019-11-29 stsp if (imsg_add(wbuf, remotes[i].url, iremote.url_len) == -1) {
1745 cd95becd 2019-11-29 stsp err = got_error_from_errno(
1746 cd95becd 2019-11-29 stsp "imsg_add GIITCONFIG_REMOTE");
1747 cd95becd 2019-11-29 stsp ibuf_free(wbuf);
1748 cd95becd 2019-11-29 stsp return err;
1751 cd95becd 2019-11-29 stsp wbuf->fd = -1;
1752 cd95becd 2019-11-29 stsp imsg_close(ibuf, wbuf);
1753 cd95becd 2019-11-29 stsp err = flush_imsg(ibuf);
1755 cd95becd 2019-11-29 stsp return err;
1758 cd95becd 2019-11-29 stsp return NULL;
1761 cd95becd 2019-11-29 stsp const struct got_error *
1762 cd95becd 2019-11-29 stsp got_privsep_recv_gitconfig_remotes(struct got_remote_repo **remotes,
1763 cd95becd 2019-11-29 stsp int *nremotes, struct imsgbuf *ibuf)
1765 cd95becd 2019-11-29 stsp const struct got_error *err = NULL;
1766 cd95becd 2019-11-29 stsp struct imsg imsg;
1767 cd95becd 2019-11-29 stsp size_t datalen;
1768 cd95becd 2019-11-29 stsp struct got_imsg_remotes iremotes;
1769 cd95becd 2019-11-29 stsp struct got_imsg_remote iremote;
1771 cd95becd 2019-11-29 stsp *remotes = NULL;
1772 cd95becd 2019-11-29 stsp *nremotes = 0;
1773 d669b9c9 2020-02-22 stsp iremotes.nremotes = 0;
1775 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremotes));
1777 cd95becd 2019-11-29 stsp return err;
1778 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1780 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
1781 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTES:
1782 cd95becd 2019-11-29 stsp if (datalen != sizeof(iremotes)) {
1783 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1786 cd95becd 2019-11-29 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
1787 cd95becd 2019-11-29 stsp if (iremotes.nremotes == 0) {
1788 cd95becd 2019-11-29 stsp imsg_free(&imsg);
1789 cd95becd 2019-11-29 stsp return NULL;
1793 54b1c5b5 2020-02-22 stsp imsg_free(&imsg);
1794 54b1c5b5 2020-02-22 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
1797 aba9c984 2019-09-08 stsp imsg_free(&imsg);
1799 cd95becd 2019-11-29 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(iremote));
1800 cd95becd 2019-11-29 stsp if (*remotes == NULL)
1801 cd95becd 2019-11-29 stsp return got_error_from_errno("recallocarray");
1803 cd95becd 2019-11-29 stsp while (*nremotes < iremotes.nremotes) {
1804 cd95becd 2019-11-29 stsp struct got_remote_repo *remote;
1806 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremote));
1809 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1811 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
1812 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTE:
1813 cd95becd 2019-11-29 stsp remote = &(*remotes)[*nremotes];
1814 cd95becd 2019-11-29 stsp if (datalen < sizeof(iremote)) {
1815 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1818 cd95becd 2019-11-29 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
1819 cd95becd 2019-11-29 stsp if (iremote.name_len == 0 || iremote.url_len == 0 ||
1820 cd95becd 2019-11-29 stsp (sizeof(iremote) + iremote.name_len +
1821 cd95becd 2019-11-29 stsp iremote.url_len) > datalen) {
1822 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1825 cd95becd 2019-11-29 stsp remote->name = strndup(imsg.data + sizeof(iremote),
1826 cd95becd 2019-11-29 stsp iremote.name_len);
1827 cd95becd 2019-11-29 stsp if (remote->name == NULL) {
1828 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
1831 cd95becd 2019-11-29 stsp remote->url = strndup(imsg.data + sizeof(iremote) +
1832 cd95becd 2019-11-29 stsp iremote.name_len, iremote.url_len);
1833 cd95becd 2019-11-29 stsp if (remote->url == NULL) {
1834 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
1835 cd95becd 2019-11-29 stsp free(remote->name);
1838 cd95becd 2019-11-29 stsp (*nremotes)++;
1841 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1845 cd95becd 2019-11-29 stsp imsg_free(&imsg);
1850 cd95becd 2019-11-29 stsp if (err) {
1852 cd95becd 2019-11-29 stsp for (i = 0; i < *nremotes; i++) {
1853 cd95becd 2019-11-29 stsp free((*remotes)[i].name);
1854 cd95becd 2019-11-29 stsp free((*remotes)[i].url);
1856 cd95becd 2019-11-29 stsp free(*remotes);
1857 cd95becd 2019-11-29 stsp *remotes = NULL;
1858 cd95becd 2019-11-29 stsp *nremotes = 0;
1860 aba9c984 2019-09-08 stsp return err;
1863 ca6e02ac 2020-01-07 stsp const struct got_error *
1864 ca6e02ac 2020-01-07 stsp got_privsep_send_commit_traversal_request(struct imsgbuf *ibuf,
1865 ca6e02ac 2020-01-07 stsp struct got_object_id *id, int idx, const char *path)
1867 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
1868 ca6e02ac 2020-01-07 stsp struct ibuf *wbuf;
1869 ca6e02ac 2020-01-07 stsp size_t path_len = strlen(path) + 1;
1871 ca6e02ac 2020-01-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_COMMIT_TRAVERSAL_REQUEST, 0, 0,
1872 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_traversal_request) + path_len);
1873 ca6e02ac 2020-01-07 stsp if (wbuf == NULL)
1874 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
1875 ca6e02ac 2020-01-07 stsp "imsg_create COMMIT_TRAVERSAL_REQUEST");
1876 ca6e02ac 2020-01-07 stsp if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1) {
1877 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("imsg_add COMMIT_TRAVERSAL_REQUEST");
1878 ca6e02ac 2020-01-07 stsp ibuf_free(wbuf);
1879 ca6e02ac 2020-01-07 stsp return err;
1881 ca6e02ac 2020-01-07 stsp if (imsg_add(wbuf, &idx, sizeof(idx)) == -1) {
1882 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("imsg_add COMMIT_TRAVERSAL_REQUEST");
1883 ca6e02ac 2020-01-07 stsp ibuf_free(wbuf);
1884 ca6e02ac 2020-01-07 stsp return err;
1886 ca6e02ac 2020-01-07 stsp if (imsg_add(wbuf, path, path_len) == -1) {
1887 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("imsg_add COMMIT_TRAVERSAL_REQUEST");
1888 ca6e02ac 2020-01-07 stsp ibuf_free(wbuf);
1889 ca6e02ac 2020-01-07 stsp return err;
1892 ca6e02ac 2020-01-07 stsp wbuf->fd = -1;
1893 ca6e02ac 2020-01-07 stsp imsg_close(ibuf, wbuf);
1895 ca6e02ac 2020-01-07 stsp return flush_imsg(ibuf);
1898 aba9c984 2019-09-08 stsp const struct got_error *
1899 ca6e02ac 2020-01-07 stsp got_privsep_send_traversed_commits(struct got_object_id *commit_ids,
1900 ca6e02ac 2020-01-07 stsp size_t ncommits, struct imsgbuf *ibuf)
1902 ca6e02ac 2020-01-07 stsp const struct got_error *err;
1903 ca6e02ac 2020-01-07 stsp struct ibuf *wbuf;
1906 ca6e02ac 2020-01-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TRAVERSED_COMMITS, 0, 0,
1907 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_traversed_commits) +
1908 ca6e02ac 2020-01-07 stsp ncommits * SHA1_DIGEST_LENGTH);
1909 ca6e02ac 2020-01-07 stsp if (wbuf == NULL)
1910 ca6e02ac 2020-01-07 stsp return got_error_from_errno("imsg_create TRAVERSED_COMMITS");
1912 ca6e02ac 2020-01-07 stsp if (imsg_add(wbuf, &ncommits, sizeof(ncommits)) == -1) {
1913 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("imsg_add TRAVERSED_COMMITS");
1914 ca6e02ac 2020-01-07 stsp ibuf_free(wbuf);
1915 ca6e02ac 2020-01-07 stsp return err;
1917 ca6e02ac 2020-01-07 stsp for (i = 0; i < ncommits; i++) {
1918 ca6e02ac 2020-01-07 stsp struct got_object_id *id = &commit_ids[i];
1919 ca6e02ac 2020-01-07 stsp if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1) {
1920 ca6e02ac 2020-01-07 stsp err = got_error_from_errno(
1921 ca6e02ac 2020-01-07 stsp "imsg_add TRAVERSED_COMMITS");
1922 ca6e02ac 2020-01-07 stsp ibuf_free(wbuf);
1923 ca6e02ac 2020-01-07 stsp return err;
1927 ca6e02ac 2020-01-07 stsp wbuf->fd = -1;
1928 ca6e02ac 2020-01-07 stsp imsg_close(ibuf, wbuf);
1930 ca6e02ac 2020-01-07 stsp return flush_imsg(ibuf);
1933 ca6e02ac 2020-01-07 stsp const struct got_error *
1934 ca6e02ac 2020-01-07 stsp got_privsep_recv_traversed_commits(struct got_commit_object **changed_commit,
1935 ca6e02ac 2020-01-07 stsp struct got_object_id **changed_commit_id,
1936 ca6e02ac 2020-01-07 stsp struct got_object_id_queue *commit_ids, struct imsgbuf *ibuf)
1938 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
1939 ca6e02ac 2020-01-07 stsp struct imsg imsg;
1940 ca6e02ac 2020-01-07 stsp struct got_imsg_traversed_commits *icommits;
1941 ca6e02ac 2020-01-07 stsp size_t datalen;
1942 ca6e02ac 2020-01-07 stsp int i, done = 0;
1944 ca6e02ac 2020-01-07 stsp *changed_commit = NULL;
1945 ca6e02ac 2020-01-07 stsp *changed_commit_id = NULL;
1947 ca6e02ac 2020-01-07 stsp while (!done) {
1948 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1950 ca6e02ac 2020-01-07 stsp return err;
1952 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1953 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
1954 ca6e02ac 2020-01-07 stsp case GOT_IMSG_TRAVERSED_COMMITS:
1955 ca6e02ac 2020-01-07 stsp icommits = imsg.data;
1956 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommits) +
1957 ca6e02ac 2020-01-07 stsp icommits->ncommits * SHA1_DIGEST_LENGTH) {
1958 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1961 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommits->ncommits; i++) {
1962 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
1963 ca6e02ac 2020-01-07 stsp uint8_t *sha1 = (uint8_t *)imsg.data +
1964 ca6e02ac 2020-01-07 stsp sizeof(*icommits) + i * SHA1_DIGEST_LENGTH;
1965 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
1968 ca6e02ac 2020-01-07 stsp memcpy(qid->id->sha1, sha1, SHA1_DIGEST_LENGTH);
1969 ca6e02ac 2020-01-07 stsp SIMPLEQ_INSERT_TAIL(commit_ids, qid, entry);
1971 ca6e02ac 2020-01-07 stsp /* The last commit may contain a change. */
1972 ca6e02ac 2020-01-07 stsp if (i == icommits->ncommits - 1) {
1973 ca6e02ac 2020-01-07 stsp *changed_commit_id =
1974 ca6e02ac 2020-01-07 stsp got_object_id_dup(qid->id);
1975 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
1976 ca6e02ac 2020-01-07 stsp err = got_error_from_errno(
1977 ca6e02ac 2020-01-07 stsp "got_object_id_dup");
1983 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
1984 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
1985 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1988 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(changed_commit, &imsg,
1989 ca6e02ac 2020-01-07 stsp datalen, ibuf);
1991 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT_TRAVERSAL_DONE:
1995 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1999 ca6e02ac 2020-01-07 stsp imsg_free(&imsg);
2005 ca6e02ac 2020-01-07 stsp got_object_id_queue_free(commit_ids);
2006 ca6e02ac 2020-01-07 stsp return err;
2009 ca6e02ac 2020-01-07 stsp const struct got_error *
2010 ca6e02ac 2020-01-07 stsp got_privsep_send_commit_traversal_done(struct imsgbuf *ibuf)
2012 ca6e02ac 2020-01-07 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_TRAVERSAL_DONE, 0, 0, -1,
2013 ca6e02ac 2020-01-07 stsp NULL, 0) == -1)
2014 ca6e02ac 2020-01-07 stsp return got_error_from_errno("imsg_compose TRAVERSAL_DONE");
2016 ca6e02ac 2020-01-07 stsp return flush_imsg(ibuf);
2019 ca6e02ac 2020-01-07 stsp const struct got_error *
2020 63219cd2 2019-01-04 stsp got_privsep_unveil_exec_helpers(void)
2022 c39c25dd 2019-08-09 stsp const char *helpers[] = {
2023 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_PACK,
2024 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_OBJECT,
2025 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_COMMIT,
2026 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TREE,
2027 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_BLOB,
2028 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TAG,
2029 aba9c984 2019-09-08 stsp GOT_PATH_PROG_READ_GITCONFIG,
2033 c39c25dd 2019-08-09 stsp for (i = 0; i < nitems(helpers); i++) {
2034 c39c25dd 2019-08-09 stsp if (unveil(helpers[i], "x") == 0)
2036 c39c25dd 2019-08-09 stsp return got_error_from_errno2("unveil", helpers[i]);
2039 63219cd2 2019-01-04 stsp return NULL;
2043 aba9c984 2019-09-08 stsp got_privsep_exec_child(int imsg_fds[2], const char *path, const char *repo_path)
2045 aba9c984 2019-09-08 stsp if (close(imsg_fds[0]) != 0) {
2046 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
2050 aba9c984 2019-09-08 stsp if (dup2(imsg_fds[1], GOT_IMSG_FD_CHILD) == -1) {
2051 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
2054 aba9c984 2019-09-08 stsp if (closefrom(GOT_IMSG_FD_CHILD + 1) == -1) {
2055 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
2059 aba9c984 2019-09-08 stsp if (execl(path, path, repo_path, (char *)NULL) == -1) {
2060 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s: %s\n", getprogname(), path,
2061 aba9c984 2019-09-08 stsp strerror(errno));
