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 e70bf110 2020-03-22 stsp got_privsep_flush_imsg(struct imsgbuf *ibuf)
221 e70bf110 2020-03-22 stsp return flush_imsg(ibuf);
224 e70bf110 2020-03-22 stsp const struct got_error *
225 ad242220 2018-09-08 stsp got_privsep_send_stop(int fd)
227 ad242220 2018-09-08 stsp const struct got_error *err = NULL;
228 ad242220 2018-09-08 stsp struct imsgbuf ibuf;
230 ad242220 2018-09-08 stsp imsg_init(&ibuf, fd);
232 ad242220 2018-09-08 stsp if (imsg_compose(&ibuf, GOT_IMSG_STOP, 0, 0, -1, NULL, 0) == -1)
233 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose STOP");
235 ad242220 2018-09-08 stsp err = flush_imsg(&ibuf);
236 ad242220 2018-09-08 stsp imsg_clear(&ibuf);
237 ad242220 2018-09-08 stsp return err;
240 93658fb9 2020-03-18 stsp const struct got_error *
241 aea5f015 2018-12-24 stsp got_privsep_send_obj_req(struct imsgbuf *ibuf, int fd)
243 aea5f015 2018-12-24 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT_REQUEST, 0, 0, fd, NULL, 0)
245 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT_REQUEST");
247 1785f84a 2018-12-23 stsp return flush_imsg(ibuf);
250 1785f84a 2018-12-23 stsp const struct got_error *
251 1785f84a 2018-12-23 stsp got_privsep_send_commit_req(struct imsgbuf *ibuf, int fd,
252 1785f84a 2018-12-23 stsp struct got_object_id *id, int pack_idx)
254 41496140 2019-02-21 stsp const struct got_error *err = NULL;
255 1785f84a 2018-12-23 stsp struct got_imsg_packed_object iobj, *iobjp;
256 1785f84a 2018-12-23 stsp size_t len;
258 1785f84a 2018-12-23 stsp if (id) { /* commit is packed */
259 1785f84a 2018-12-23 stsp iobj.idx = pack_idx;
260 1785f84a 2018-12-23 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
261 1785f84a 2018-12-23 stsp iobjp = &iobj;
262 1785f84a 2018-12-23 stsp len = sizeof(iobj);
264 1785f84a 2018-12-23 stsp iobjp = NULL;
268 1785f84a 2018-12-23 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_REQUEST, 0, 0, fd, iobjp, len)
270 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT_REQUEST");
272 41496140 2019-02-21 stsp return err;
275 13c729f7 2018-12-24 stsp return flush_imsg(ibuf);
278 13c729f7 2018-12-24 stsp const struct got_error *
279 13c729f7 2018-12-24 stsp got_privsep_send_tree_req(struct imsgbuf *ibuf, int fd,
280 13c729f7 2018-12-24 stsp struct got_object_id *id, int pack_idx)
282 41496140 2019-02-21 stsp const struct got_error *err = NULL;
283 7f358e3b 2019-11-23 stsp struct ibuf *wbuf;
284 7f358e3b 2019-11-23 stsp size_t len = id ? sizeof(struct got_imsg_packed_object) : 0;
286 7f358e3b 2019-11-23 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_REQUEST, 0, 0, len);
287 7f358e3b 2019-11-23 stsp if (wbuf == NULL)
288 7f358e3b 2019-11-23 stsp return got_error_from_errno("imsg_create TREE_REQUEST");
290 13c729f7 2018-12-24 stsp if (id) { /* tree is packed */
291 7f358e3b 2019-11-23 stsp if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -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;
297 7f358e3b 2019-11-23 stsp if (imsg_add(wbuf, &pack_idx, sizeof(pack_idx)) == -1) {
298 7f358e3b 2019-11-23 stsp err = got_error_from_errno("imsg_add TREE_ENTRY");
299 7f358e3b 2019-11-23 stsp ibuf_free(wbuf);
300 7f358e3b 2019-11-23 stsp return err;
304 7f358e3b 2019-11-23 stsp wbuf->fd = fd;
305 7f358e3b 2019-11-23 stsp imsg_close(ibuf, wbuf);
307 268f7291 2018-12-24 stsp return flush_imsg(ibuf);
310 268f7291 2018-12-24 stsp const struct got_error *
311 268f7291 2018-12-24 stsp got_privsep_send_tag_req(struct imsgbuf *ibuf, int fd,
312 268f7291 2018-12-24 stsp struct got_object_id *id, int pack_idx)
314 268f7291 2018-12-24 stsp struct got_imsg_packed_object iobj, *iobjp;
315 268f7291 2018-12-24 stsp size_t len;
317 268f7291 2018-12-24 stsp if (id) { /* tag is packed */
318 268f7291 2018-12-24 stsp iobj.idx = pack_idx;
319 268f7291 2018-12-24 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
320 268f7291 2018-12-24 stsp iobjp = &iobj;
321 268f7291 2018-12-24 stsp len = sizeof(iobj);
323 268f7291 2018-12-24 stsp iobjp = NULL;
327 268f7291 2018-12-24 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_REQUEST, 0, 0, fd, iobjp, len)
329 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose TAG_REQUEST");
331 7762fe12 2018-11-05 stsp return flush_imsg(ibuf);
334 7762fe12 2018-11-05 stsp const struct got_error *
335 ebc55e2d 2018-12-24 stsp got_privsep_send_blob_req(struct imsgbuf *ibuf, int infd,
336 ebc55e2d 2018-12-24 stsp struct got_object_id *id, int pack_idx)
338 41496140 2019-02-21 stsp const struct got_error *err = NULL;
339 ebc55e2d 2018-12-24 stsp struct got_imsg_packed_object iobj, *iobjp;
340 ebc55e2d 2018-12-24 stsp size_t len;
342 ebc55e2d 2018-12-24 stsp if (id) { /* blob is packed */
343 ebc55e2d 2018-12-24 stsp iobj.idx = pack_idx;
344 ebc55e2d 2018-12-24 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
345 ebc55e2d 2018-12-24 stsp iobjp = &iobj;
346 ebc55e2d 2018-12-24 stsp len = sizeof(iobj);
348 ebc55e2d 2018-12-24 stsp iobjp = NULL;
352 ebc55e2d 2018-12-24 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_REQUEST, 0, 0, infd, iobjp, len)
354 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_REQUEST");
355 41496140 2019-02-21 stsp close(infd);
356 41496140 2019-02-21 stsp return err;
359 55da3778 2018-09-10 stsp return flush_imsg(ibuf);
362 55da3778 2018-09-10 stsp const struct got_error *
363 55da3778 2018-09-10 stsp got_privsep_send_blob_outfd(struct imsgbuf *ibuf, int outfd)
365 41496140 2019-02-21 stsp const struct got_error *err = NULL;
367 ad242220 2018-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_OUTFD, 0, 0, outfd, NULL, 0)
369 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_OUTFD");
370 41496140 2019-02-21 stsp close(outfd);
371 41496140 2019-02-21 stsp return err;
374 3840f4c9 2018-09-12 stsp return flush_imsg(ibuf);
377 73ab1060 2020-03-18 stsp static const struct got_error *
378 73ab1060 2020-03-18 stsp send_fd(struct imsgbuf *ibuf, int imsg_code, int fd)
380 41496140 2019-02-21 stsp const struct got_error *err = NULL;
382 73ab1060 2020-03-18 stsp if (imsg_compose(ibuf, imsg_code, 0, 0, fd, NULL, 0) == -1) {
383 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TMPFD");
385 41496140 2019-02-21 stsp return err;
388 ad242220 2018-09-08 stsp return flush_imsg(ibuf);
391 ad242220 2018-09-08 stsp const struct got_error *
392 73ab1060 2020-03-18 stsp got_privsep_send_tmpfd(struct imsgbuf *ibuf, int fd)
394 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_TMPFD, fd);
397 73ab1060 2020-03-18 stsp const struct got_error *
398 876c234b 2018-09-10 stsp got_privsep_send_obj(struct imsgbuf *ibuf, struct got_object *obj)
400 2178c42e 2018-04-22 stsp struct got_imsg_object iobj;
402 c59b3346 2018-09-11 stsp memcpy(iobj.id, obj->id.sha1, sizeof(iobj.id));
403 2178c42e 2018-04-22 stsp iobj.type = obj->type;
404 2178c42e 2018-04-22 stsp iobj.flags = obj->flags;
405 2178c42e 2018-04-22 stsp iobj.hdrlen = obj->hdrlen;
406 2178c42e 2018-04-22 stsp iobj.size = obj->size;
407 c59b3346 2018-09-11 stsp if (iobj.flags & GOT_OBJ_FLAG_PACKED) {
408 876c234b 2018-09-10 stsp iobj.pack_offset = obj->pack_offset;
409 c59b3346 2018-09-11 stsp iobj.pack_idx = obj->pack_idx;
412 2178c42e 2018-04-22 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT, 0, 0, -1, &iobj, sizeof(iobj))
414 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT");
416 c59b3346 2018-09-11 stsp return flush_imsg(ibuf);
419 cfd633c2 2018-09-10 stsp const struct got_error *
420 33501562 2020-03-18 stsp got_privsep_send_fetch_req(struct imsgbuf *ibuf, int fd,
421 4ba14133 2020-03-20 stsp struct got_pathlist_head *have_refs, int fetch_all_branches,
422 0e4002ca 2020-03-21 stsp struct got_pathlist_head *wanted_branches,
423 0e4002ca 2020-03-21 stsp struct got_pathlist_head *wanted_refs, int list_refs_only, int verbosity)
425 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
426 33501562 2020-03-18 stsp struct ibuf *wbuf;
427 4ba14133 2020-03-20 stsp size_t len;
428 33501562 2020-03-18 stsp struct got_pathlist_entry *pe;
429 4ba14133 2020-03-20 stsp struct got_imsg_fetch_request fetchreq;
431 4ba14133 2020-03-20 stsp memset(&fetchreq, 0, sizeof(fetchreq));
432 4ba14133 2020-03-20 stsp fetchreq.fetch_all_branches = fetch_all_branches;
433 41b0de12 2020-03-21 stsp fetchreq.list_refs_only = list_refs_only;
434 2690194b 2020-03-21 stsp fetchreq.verbosity = verbosity;
435 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, have_refs, entry)
436 4ba14133 2020-03-20 stsp fetchreq.n_have_refs++;
437 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry)
438 4ba14133 2020-03-20 stsp fetchreq.n_wanted_branches++;
439 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry)
440 0e4002ca 2020-03-21 stsp fetchreq.n_wanted_refs++;
441 659e7fbd 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_request);
442 33501562 2020-03-18 stsp if (len >= MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
444 33501562 2020-03-18 stsp return got_error(GOT_ERR_NO_SPACE);
447 4ba14133 2020-03-20 stsp if (imsg_compose(ibuf, GOT_IMSG_FETCH_REQUEST, 0, 0, fd,
448 4ba14133 2020-03-20 stsp &fetchreq, sizeof(fetchreq)) == -1)
449 4ba14133 2020-03-20 stsp return got_error_from_errno(
450 4ba14133 2020-03-20 stsp "imsg_compose FETCH_SERVER_PROGRESS");
452 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
455 659e7fbd 2020-03-20 stsp return err;
459 33501562 2020-03-18 stsp TAILQ_FOREACH(pe, have_refs, entry) {
460 33501562 2020-03-18 stsp const char *name = pe->path;
461 33501562 2020-03-18 stsp size_t name_len = pe->path_len;
462 33501562 2020-03-18 stsp struct got_object_id *id = pe->data;
464 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_have_ref) + name_len;
465 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_HAVE_REF, 0, 0, len);
466 4ba14133 2020-03-20 stsp if (wbuf == NULL)
467 4ba14133 2020-03-20 stsp return got_error_from_errno("imsg_create FETCH_HAVE_REF");
469 33501562 2020-03-18 stsp /* Keep in sync with struct got_imsg_fetch_have_ref! */
470 33501562 2020-03-18 stsp if (imsg_add(wbuf, id->sha1, sizeof(id->sha1)) == -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;
475 33501562 2020-03-18 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1) {
476 4ba14133 2020-03-20 stsp err = got_error_from_errno("imsg_add FETCH_HAVE_REF");
477 33501562 2020-03-18 stsp ibuf_free(wbuf);
478 33501562 2020-03-18 stsp return err;
480 33501562 2020-03-18 stsp if (imsg_add(wbuf, name, name_len) == -1) {
481 4ba14133 2020-03-20 stsp err = got_error_from_errno("imsg_add FETCH_HAVE_REF");
482 33501562 2020-03-18 stsp ibuf_free(wbuf);
483 33501562 2020-03-18 stsp return err;
486 4ba14133 2020-03-20 stsp wbuf->fd = -1;
487 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
488 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
490 4ba14133 2020-03-20 stsp return err;
493 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry) {
494 4ba14133 2020-03-20 stsp const char *name = pe->path;
495 4ba14133 2020-03-20 stsp size_t name_len = pe->path_len;
497 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_wanted_branch) + name_len;
498 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_BRANCH, 0, 0,
500 4ba14133 2020-03-20 stsp if (wbuf == NULL)
501 4ba14133 2020-03-20 stsp return got_error_from_errno(
502 4ba14133 2020-03-20 stsp "imsg_create FETCH_WANTED_BRANCH");
504 4ba14133 2020-03-20 stsp /* Keep in sync with struct got_imsg_fetch_wanted_branch! */
505 4ba14133 2020-03-20 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1) {
506 4ba14133 2020-03-20 stsp err = got_error_from_errno(
507 4ba14133 2020-03-20 stsp "imsg_add FETCH_WANTED_BRANCH");
508 4ba14133 2020-03-20 stsp ibuf_free(wbuf);
509 4ba14133 2020-03-20 stsp return err;
511 4ba14133 2020-03-20 stsp if (imsg_add(wbuf, name, name_len) == -1) {
512 4ba14133 2020-03-20 stsp err = got_error_from_errno(
513 4ba14133 2020-03-20 stsp "imsg_add FETCH_WANTED_BRANCH");
514 4ba14133 2020-03-20 stsp ibuf_free(wbuf);
515 4ba14133 2020-03-20 stsp return err;
518 4ba14133 2020-03-20 stsp wbuf->fd = -1;
519 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
520 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
522 4ba14133 2020-03-20 stsp return err;
525 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry) {
526 0e4002ca 2020-03-21 stsp const char *name = pe->path;
527 0e4002ca 2020-03-21 stsp size_t name_len = pe->path_len;
529 0e4002ca 2020-03-21 stsp len = sizeof(struct got_imsg_fetch_wanted_ref) + name_len;
530 0e4002ca 2020-03-21 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_REF, 0, 0,
532 0e4002ca 2020-03-21 stsp if (wbuf == NULL)
533 0e4002ca 2020-03-21 stsp return got_error_from_errno(
534 0e4002ca 2020-03-21 stsp "imsg_create FETCH_WANTED_REF");
536 0e4002ca 2020-03-21 stsp /* Keep in sync with struct got_imsg_fetch_wanted_ref! */
537 0e4002ca 2020-03-21 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1) {
538 0e4002ca 2020-03-21 stsp err = got_error_from_errno(
539 0e4002ca 2020-03-21 stsp "imsg_add FETCH_WANTED_REF");
540 0e4002ca 2020-03-21 stsp ibuf_free(wbuf);
541 0e4002ca 2020-03-21 stsp return err;
543 0e4002ca 2020-03-21 stsp if (imsg_add(wbuf, name, name_len) == -1) {
544 0e4002ca 2020-03-21 stsp err = got_error_from_errno(
545 0e4002ca 2020-03-21 stsp "imsg_add FETCH_WANTED_REF");
546 0e4002ca 2020-03-21 stsp ibuf_free(wbuf);
547 0e4002ca 2020-03-21 stsp return err;
550 0e4002ca 2020-03-21 stsp wbuf->fd = -1;
551 0e4002ca 2020-03-21 stsp imsg_close(ibuf, wbuf);
552 0e4002ca 2020-03-21 stsp err = flush_imsg(ibuf);
554 0e4002ca 2020-03-21 stsp return err;
558 4ba14133 2020-03-20 stsp return NULL;
562 93658fb9 2020-03-18 stsp const struct got_error *
563 f826addf 2020-03-18 stsp got_privsep_send_fetch_outfd(struct imsgbuf *ibuf, int fd)
565 f826addf 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_FETCH_OUTFD, fd);
568 531c3985 2020-03-18 stsp const struct got_error *
569 8f2d01a6 2020-03-18 stsp got_privsep_recv_fetch_progress(int *done, struct got_object_id **id,
570 531c3985 2020-03-18 stsp char **refname, struct got_pathlist_head *symrefs, char **server_progress,
571 1d72a2a0 2020-03-24 stsp off_t *packfile_size, uint8_t *pack_sha1, struct imsgbuf *ibuf)
573 b9f99abf 2020-03-18 stsp const struct got_error *err = NULL;
574 b9f99abf 2020-03-18 stsp struct imsg imsg;
575 b9f99abf 2020-03-18 stsp size_t datalen;
576 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symrefs *isymrefs = NULL;
577 abe0f35f 2020-03-18 stsp size_t n, remain;
582 8f2d01a6 2020-03-18 stsp *id = NULL;
583 b9f99abf 2020-03-18 stsp *refname = NULL;
584 531c3985 2020-03-18 stsp *server_progress = NULL;
585 5a489642 2020-03-19 stsp *packfile_size = 0;
586 1d72a2a0 2020-03-24 stsp memset(pack_sha1, 0, SHA1_DIGEST_LENGTH);
588 531c3985 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
590 b9f99abf 2020-03-18 stsp return err;
592 b9f99abf 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
593 b9f99abf 2020-03-18 stsp switch (imsg.hdr.type) {
594 b9f99abf 2020-03-18 stsp case GOT_IMSG_ERROR:
595 531c3985 2020-03-18 stsp if (datalen < sizeof(struct got_imsg_error)) {
596 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
599 b9f99abf 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
601 abe0f35f 2020-03-18 stsp case GOT_IMSG_FETCH_SYMREFS:
602 abe0f35f 2020-03-18 stsp if (datalen < sizeof(*isymrefs)) {
603 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
606 abe0f35f 2020-03-18 stsp if (isymrefs != NULL) {
607 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
610 abe0f35f 2020-03-18 stsp isymrefs = (struct got_imsg_fetch_symrefs *)imsg.data;
611 abe0f35f 2020-03-18 stsp off = sizeof(*isymrefs);
612 abe0f35f 2020-03-18 stsp remain = datalen - off;
613 abe0f35f 2020-03-18 stsp for (n = 0; n < isymrefs->nsymrefs; n++) {
614 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symref *s;
615 abe0f35f 2020-03-18 stsp char *name, *target;
616 abe0f35f 2020-03-18 stsp if (remain < sizeof(struct got_imsg_fetch_symref)) {
617 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
620 abe0f35f 2020-03-18 stsp s = (struct got_imsg_fetch_symref *)(imsg.data + off);
621 abe0f35f 2020-03-18 stsp off += sizeof(*s);
622 abe0f35f 2020-03-18 stsp remain -= sizeof(*s);
623 abe0f35f 2020-03-18 stsp if (remain < s->name_len) {
624 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
627 abe0f35f 2020-03-18 stsp name = strndup(imsg.data + off, s->name_len);
628 abe0f35f 2020-03-18 stsp if (name == NULL) {
629 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
632 abe0f35f 2020-03-18 stsp off += s->name_len;
633 abe0f35f 2020-03-18 stsp remain -= s->name_len;
634 abe0f35f 2020-03-18 stsp if (remain < s->target_len) {
635 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
636 abe0f35f 2020-03-18 stsp free(name);
639 abe0f35f 2020-03-18 stsp target = strndup(imsg.data + off, s->target_len);
640 abe0f35f 2020-03-18 stsp if (target == NULL) {
641 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
642 abe0f35f 2020-03-18 stsp free(name);
645 abe0f35f 2020-03-18 stsp off += s->target_len;
646 abe0f35f 2020-03-18 stsp remain -= s->target_len;
647 abe0f35f 2020-03-18 stsp err = got_pathlist_append(symrefs, name, target);
649 abe0f35f 2020-03-18 stsp free(name);
650 abe0f35f 2020-03-18 stsp free(target);
655 ea7396b9 2020-03-18 stsp case GOT_IMSG_FETCH_REF:
656 531c3985 2020-03-18 stsp if (datalen <= SHA1_DIGEST_LENGTH) {
657 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
660 8f2d01a6 2020-03-18 stsp *id = malloc(sizeof(**id));
661 8f2d01a6 2020-03-18 stsp if (*id == NULL) {
662 b9f99abf 2020-03-18 stsp err = got_error_from_errno("malloc");
665 8f2d01a6 2020-03-18 stsp memcpy((*id)->sha1, imsg.data, SHA1_DIGEST_LENGTH);
666 b9f99abf 2020-03-18 stsp *refname = strndup(imsg.data + SHA1_DIGEST_LENGTH,
667 b9f99abf 2020-03-18 stsp datalen - SHA1_DIGEST_LENGTH);
668 b9f99abf 2020-03-18 stsp if (*refname == NULL) {
669 b9f99abf 2020-03-18 stsp err = got_error_from_errno("strndup");
673 531c3985 2020-03-18 stsp case GOT_IMSG_FETCH_SERVER_PROGRESS:
674 531c3985 2020-03-18 stsp if (datalen == 0) {
675 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
678 531c3985 2020-03-18 stsp *server_progress = strndup(imsg.data, datalen);
679 531c3985 2020-03-18 stsp if (*server_progress == NULL) {
680 531c3985 2020-03-18 stsp err = got_error_from_errno("strndup");
683 531c3985 2020-03-18 stsp for (i = 0; i < datalen; i++) {
684 531c3985 2020-03-18 stsp if (!isprint((unsigned char)(*server_progress)[i]) &&
685 531c3985 2020-03-18 stsp !isspace((unsigned char)(*server_progress)[i])) {
686 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
687 531c3985 2020-03-18 stsp free(*server_progress);
688 531c3985 2020-03-18 stsp *server_progress = NULL;
693 d2cdc636 2020-03-18 stsp case GOT_IMSG_FETCH_DOWNLOAD_PROGRESS:
694 d2cdc636 2020-03-18 stsp if (datalen < sizeof(*packfile_size)) {
695 d2cdc636 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
698 d2cdc636 2020-03-18 stsp memcpy(packfile_size, imsg.data, sizeof(*packfile_size));
700 8f2d01a6 2020-03-18 stsp case GOT_IMSG_FETCH_DONE:
701 8f2d01a6 2020-03-18 stsp if (datalen != SHA1_DIGEST_LENGTH) {
702 8f2d01a6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
705 1d72a2a0 2020-03-24 stsp memcpy(pack_sha1, imsg.data, SHA1_DIGEST_LENGTH);
709 b887aab6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
715 8f2d01a6 2020-03-18 stsp *id = NULL;
716 b887aab6 2020-03-18 stsp free(*refname);
717 b887aab6 2020-03-18 stsp *refname = NULL;
719 b9f99abf 2020-03-18 stsp imsg_free(&imsg);
720 b9f99abf 2020-03-18 stsp return err;
723 93658fb9 2020-03-18 stsp const struct got_error *
724 fd251256 2020-03-24 stsp got_privsep_send_index_pack_req(struct imsgbuf *ibuf, uint8_t *pack_sha1,
727 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
729 668a20f6 2020-03-18 stsp /* Keep in sync with struct got_imsg_index_pack_request */
730 93658fb9 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_IDXPACK_REQUEST, 0, 0, fd,
731 fd251256 2020-03-24 stsp pack_sha1, SHA1_DIGEST_LENGTH) == -1) {
732 93658fb9 2020-03-18 stsp err = got_error_from_errno("imsg_compose INDEX_REQUEST");
734 93658fb9 2020-03-18 stsp return err;
736 baa9fea0 2020-03-18 stsp return flush_imsg(ibuf);
739 baa9fea0 2020-03-18 stsp const struct got_error *
740 73ab1060 2020-03-18 stsp got_privsep_send_index_pack_outfd(struct imsgbuf *ibuf, int fd)
742 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_IDXPACK_OUTFD, fd);
745 73ab1060 2020-03-18 stsp const struct got_error *
746 668a20f6 2020-03-18 stsp got_privsep_recv_index_progress(int *done, int *nobj_total,
747 668a20f6 2020-03-18 stsp int *nobj_indexed, int *nobj_loose, int *nobj_resolved,
748 668a20f6 2020-03-18 stsp struct imsgbuf *ibuf)
750 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
751 93658fb9 2020-03-18 stsp struct imsg imsg;
752 baa9fea0 2020-03-18 stsp struct got_imsg_index_pack_progress *iprogress;
753 baa9fea0 2020-03-18 stsp size_t datalen;
756 668a20f6 2020-03-18 stsp *nobj_total = 0;
757 668a20f6 2020-03-18 stsp *nobj_indexed = 0;
758 668a20f6 2020-03-18 stsp *nobj_resolved = 0;
760 93658fb9 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
762 93658fb9 2020-03-18 stsp return err;
764 baa9fea0 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
765 baa9fea0 2020-03-18 stsp switch (imsg.hdr.type) {
766 baa9fea0 2020-03-18 stsp case GOT_IMSG_ERROR:
767 baa9fea0 2020-03-18 stsp if (datalen < sizeof(struct got_imsg_error)) {
768 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
771 baa9fea0 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
773 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_PROGRESS:
774 baa9fea0 2020-03-18 stsp if (datalen < sizeof(*iprogress)) {
775 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
778 baa9fea0 2020-03-18 stsp iprogress = (struct got_imsg_index_pack_progress *)imsg.data;
779 668a20f6 2020-03-18 stsp *nobj_total = iprogress->nobj_total;
780 668a20f6 2020-03-18 stsp *nobj_indexed = iprogress->nobj_indexed;
781 668a20f6 2020-03-18 stsp *nobj_loose = iprogress->nobj_loose;
782 668a20f6 2020-03-18 stsp *nobj_resolved = iprogress->nobj_resolved;
784 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_DONE:
785 baa9fea0 2020-03-18 stsp if (datalen != 0) {
786 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
792 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
796 93658fb9 2020-03-18 stsp imsg_free(&imsg);
797 baa9fea0 2020-03-18 stsp return err;
800 93658fb9 2020-03-18 stsp const struct got_error *
801 cfd633c2 2018-09-10 stsp got_privsep_get_imsg_obj(struct got_object **obj, struct imsg *imsg,
802 cfd633c2 2018-09-10 stsp struct imsgbuf *ibuf)
804 cfd633c2 2018-09-10 stsp const struct got_error *err = NULL;
805 291624d8 2018-11-07 stsp struct got_imsg_object *iobj;
806 cfd633c2 2018-09-10 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
808 291624d8 2018-11-07 stsp if (datalen != sizeof(*iobj))
809 cfd633c2 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
810 291624d8 2018-11-07 stsp iobj = imsg->data;
812 cfd633c2 2018-09-10 stsp *obj = calloc(1, sizeof(**obj));
813 cfd633c2 2018-09-10 stsp if (*obj == NULL)
814 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
816 291624d8 2018-11-07 stsp memcpy((*obj)->id.sha1, iobj->id, SHA1_DIGEST_LENGTH);
817 291624d8 2018-11-07 stsp (*obj)->type = iobj->type;
818 291624d8 2018-11-07 stsp (*obj)->flags = iobj->flags;
819 291624d8 2018-11-07 stsp (*obj)->hdrlen = iobj->hdrlen;
820 291624d8 2018-11-07 stsp (*obj)->size = iobj->size;
821 c59b3346 2018-09-11 stsp /* path_packfile is handled by caller */
822 291624d8 2018-11-07 stsp if (iobj->flags & GOT_OBJ_FLAG_PACKED) {
823 291624d8 2018-11-07 stsp (*obj)->pack_offset = iobj->pack_offset;
824 291624d8 2018-11-07 stsp (*obj)->pack_idx = iobj->pack_idx;
827 876c234b 2018-09-10 stsp return err;
830 2178c42e 2018-04-22 stsp const struct got_error *
831 2178c42e 2018-04-22 stsp got_privsep_recv_obj(struct got_object **obj, struct imsgbuf *ibuf)
833 2178c42e 2018-04-22 stsp const struct got_error *err = NULL;
834 2178c42e 2018-04-22 stsp struct imsg imsg;
835 c4eae628 2018-04-23 stsp const size_t min_datalen =
836 c4eae628 2018-04-23 stsp MIN(sizeof(struct got_imsg_error), sizeof(struct got_imsg_object));
838 2178c42e 2018-04-22 stsp *obj = NULL;
840 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
842 2178c42e 2018-04-22 stsp return err;
844 2178c42e 2018-04-22 stsp switch (imsg.hdr.type) {
845 2178c42e 2018-04-22 stsp case GOT_IMSG_OBJECT:
846 cfd633c2 2018-09-10 stsp err = got_privsep_get_imsg_obj(obj, &imsg, ibuf);
849 bff6ca00 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
853 bff6ca00 2018-04-23 stsp imsg_free(&imsg);
855 bff6ca00 2018-04-23 stsp return err;
858 c75f7264 2018-09-11 stsp static const struct got_error *
859 c75f7264 2018-09-11 stsp send_commit_logmsg(struct imsgbuf *ibuf, struct got_commit_object *commit,
860 c75f7264 2018-09-11 stsp size_t logmsg_len)
862 fa4ffeb3 2018-11-04 stsp const struct got_error *err = NULL;
863 c75f7264 2018-09-11 stsp size_t offset, remain;
865 c75f7264 2018-09-11 stsp offset = 0;
866 c75f7264 2018-09-11 stsp remain = logmsg_len;
867 c75f7264 2018-09-11 stsp while (remain > 0) {
868 c75f7264 2018-09-11 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
870 c75f7264 2018-09-11 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_LOGMSG, 0, 0, -1,
871 fa4ffeb3 2018-11-04 stsp commit->logmsg + offset, n) == -1) {
872 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose "
873 230a42bd 2019-05-11 jcs "COMMIT_LOGMSG");
877 fa4ffeb3 2018-11-04 stsp err = flush_imsg(ibuf);
881 c75f7264 2018-09-11 stsp offset += n;
882 c75f7264 2018-09-11 stsp remain -= n;
885 fa4ffeb3 2018-11-04 stsp return err;
888 bff6ca00 2018-04-23 stsp const struct got_error *
889 068fd2bf 2018-04-24 stsp got_privsep_send_commit(struct imsgbuf *ibuf, struct got_commit_object *commit)
891 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
892 b9c33926 2018-11-07 stsp struct got_imsg_commit_object *icommit;
893 bff6ca00 2018-04-23 stsp uint8_t *buf;
894 bff6ca00 2018-04-23 stsp size_t len, total;
895 79f35eb3 2018-06-11 stsp struct got_object_qid *qid;
896 b9c33926 2018-11-07 stsp size_t author_len = strlen(commit->author);
897 b9c33926 2018-11-07 stsp size_t committer_len = strlen(commit->committer);
898 c75f7264 2018-09-11 stsp size_t logmsg_len = strlen(commit->logmsg);
900 b9c33926 2018-11-07 stsp total = sizeof(*icommit) + author_len + committer_len +
901 b9c33926 2018-11-07 stsp commit->nparents * SHA1_DIGEST_LENGTH;
903 bff6ca00 2018-04-23 stsp buf = malloc(total);
904 bff6ca00 2018-04-23 stsp if (buf == NULL)
905 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
907 b9c33926 2018-11-07 stsp icommit = (struct got_imsg_commit_object *)buf;
908 a7403916 2018-12-24 stsp memcpy(icommit->tree_id, commit->tree_id->sha1,
909 a7403916 2018-12-24 stsp sizeof(icommit->tree_id));
910 b9c33926 2018-11-07 stsp icommit->author_len = author_len;
911 b9c33926 2018-11-07 stsp icommit->author_time = commit->author_time;
912 b9c33926 2018-11-07 stsp icommit->author_gmtoff = commit->author_gmtoff;
913 b9c33926 2018-11-07 stsp icommit->committer_len = committer_len;
914 b9c33926 2018-11-07 stsp icommit->committer_time = commit->committer_time;
915 b9c33926 2018-11-07 stsp icommit->committer_gmtoff = commit->committer_gmtoff;
916 b9c33926 2018-11-07 stsp icommit->logmsg_len = logmsg_len;
917 b9c33926 2018-11-07 stsp icommit->nparents = commit->nparents;
919 b9c33926 2018-11-07 stsp len = sizeof(*icommit);
920 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->author, author_len);
921 b9c33926 2018-11-07 stsp len += author_len;
922 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->committer, committer_len);
923 b9c33926 2018-11-07 stsp len += committer_len;
924 79f35eb3 2018-06-11 stsp SIMPLEQ_FOREACH(qid, &commit->parent_ids, entry) {
925 79f35eb3 2018-06-11 stsp memcpy(buf + len, qid->id, SHA1_DIGEST_LENGTH);
926 86acc566 2018-04-23 stsp len += SHA1_DIGEST_LENGTH;
929 bff6ca00 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT, 0, 0, -1, buf, len) == -1) {
930 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT");
934 904df868 2018-11-04 stsp if (logmsg_len == 0 ||
935 904df868 2018-11-04 stsp logmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
936 904df868 2018-11-04 stsp err = flush_imsg(ibuf);
940 c75f7264 2018-09-11 stsp err = send_commit_logmsg(ibuf, commit, logmsg_len);
943 bff6ca00 2018-04-23 stsp return err;
946 ca6e02ac 2020-01-07 stsp static const struct got_error *
947 ca6e02ac 2020-01-07 stsp get_commit_from_imsg(struct got_commit_object **commit,
948 ca6e02ac 2020-01-07 stsp struct imsg *imsg, size_t datalen, struct imsgbuf *ibuf)
950 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
951 291624d8 2018-11-07 stsp struct got_imsg_commit_object *icommit;
952 ca6e02ac 2020-01-07 stsp size_t len = 0;
955 ca6e02ac 2020-01-07 stsp if (datalen < sizeof(*icommit))
956 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
958 ca6e02ac 2020-01-07 stsp icommit = imsg->data;
959 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommit) + icommit->author_len +
960 ca6e02ac 2020-01-07 stsp icommit->committer_len +
961 ca6e02ac 2020-01-07 stsp icommit->nparents * SHA1_DIGEST_LENGTH)
962 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
964 ca6e02ac 2020-01-07 stsp if (icommit->nparents < 0)
965 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
967 ca6e02ac 2020-01-07 stsp len += sizeof(*icommit);
969 ca6e02ac 2020-01-07 stsp *commit = got_object_commit_alloc_partial();
970 ca6e02ac 2020-01-07 stsp if (*commit == NULL)
971 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
972 ca6e02ac 2020-01-07 stsp "got_object_commit_alloc_partial");
974 ca6e02ac 2020-01-07 stsp memcpy((*commit)->tree_id->sha1, icommit->tree_id,
975 ca6e02ac 2020-01-07 stsp SHA1_DIGEST_LENGTH);
976 ca6e02ac 2020-01-07 stsp (*commit)->author_time = icommit->author_time;
977 ca6e02ac 2020-01-07 stsp (*commit)->author_gmtoff = icommit->author_gmtoff;
978 ca6e02ac 2020-01-07 stsp (*commit)->committer_time = icommit->committer_time;
979 ca6e02ac 2020-01-07 stsp (*commit)->committer_gmtoff = icommit->committer_gmtoff;
981 ca6e02ac 2020-01-07 stsp if (icommit->author_len == 0) {
982 ca6e02ac 2020-01-07 stsp (*commit)->author = strdup("");
983 ca6e02ac 2020-01-07 stsp if ((*commit)->author == NULL) {
984 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
988 ca6e02ac 2020-01-07 stsp (*commit)->author = malloc(icommit->author_len + 1);
989 ca6e02ac 2020-01-07 stsp if ((*commit)->author == NULL) {
990 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
993 ca6e02ac 2020-01-07 stsp memcpy((*commit)->author, imsg->data + len,
994 ca6e02ac 2020-01-07 stsp icommit->author_len);
995 ca6e02ac 2020-01-07 stsp (*commit)->author[icommit->author_len] = '\0';
997 ca6e02ac 2020-01-07 stsp len += icommit->author_len;
999 ca6e02ac 2020-01-07 stsp if (icommit->committer_len == 0) {
1000 ca6e02ac 2020-01-07 stsp (*commit)->committer = strdup("");
1001 ca6e02ac 2020-01-07 stsp if ((*commit)->committer == NULL) {
1002 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1003 ca6e02ac 2020-01-07 stsp goto done;
1006 ca6e02ac 2020-01-07 stsp (*commit)->committer =
1007 ca6e02ac 2020-01-07 stsp malloc(icommit->committer_len + 1);
1008 ca6e02ac 2020-01-07 stsp if ((*commit)->committer == NULL) {
1009 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1010 ca6e02ac 2020-01-07 stsp goto done;
1012 ca6e02ac 2020-01-07 stsp memcpy((*commit)->committer, imsg->data + len,
1013 ca6e02ac 2020-01-07 stsp icommit->committer_len);
1014 ca6e02ac 2020-01-07 stsp (*commit)->committer[icommit->committer_len] = '\0';
1016 ca6e02ac 2020-01-07 stsp len += icommit->committer_len;
1018 ca6e02ac 2020-01-07 stsp if (icommit->logmsg_len == 0) {
1019 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = strdup("");
1020 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1021 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1022 ca6e02ac 2020-01-07 stsp goto done;
1025 ca6e02ac 2020-01-07 stsp size_t offset = 0, remain = icommit->logmsg_len;
1027 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = malloc(icommit->logmsg_len + 1);
1028 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1029 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1030 ca6e02ac 2020-01-07 stsp goto done;
1032 ca6e02ac 2020-01-07 stsp while (remain > 0) {
1033 ca6e02ac 2020-01-07 stsp struct imsg imsg_log;
1034 ca6e02ac 2020-01-07 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1037 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1039 ca6e02ac 2020-01-07 stsp goto done;
1041 ca6e02ac 2020-01-07 stsp if (imsg_log.hdr.type != GOT_IMSG_COMMIT_LOGMSG) {
1042 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1043 ca6e02ac 2020-01-07 stsp goto done;
1046 ca6e02ac 2020-01-07 stsp memcpy((*commit)->logmsg + offset,
1047 ca6e02ac 2020-01-07 stsp imsg_log.data, n);
1048 ca6e02ac 2020-01-07 stsp imsg_free(&imsg_log);
1049 ca6e02ac 2020-01-07 stsp offset += n;
1050 ca6e02ac 2020-01-07 stsp remain -= n;
1052 ca6e02ac 2020-01-07 stsp (*commit)->logmsg[icommit->logmsg_len] = '\0';
1055 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommit->nparents; i++) {
1056 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
1058 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
1061 ca6e02ac 2020-01-07 stsp memcpy(qid->id, imsg->data + len +
1062 ca6e02ac 2020-01-07 stsp i * SHA1_DIGEST_LENGTH, sizeof(*qid->id));
1063 ca6e02ac 2020-01-07 stsp SIMPLEQ_INSERT_TAIL(&(*commit)->parent_ids, qid, entry);
1064 ca6e02ac 2020-01-07 stsp (*commit)->nparents++;
1067 ca6e02ac 2020-01-07 stsp if (err) {
1068 ca6e02ac 2020-01-07 stsp got_object_commit_close(*commit);
1069 ca6e02ac 2020-01-07 stsp *commit = NULL;
1071 ca6e02ac 2020-01-07 stsp return err;
1074 ca6e02ac 2020-01-07 stsp const struct got_error *
1075 ca6e02ac 2020-01-07 stsp got_privsep_recv_commit(struct got_commit_object **commit, struct imsgbuf *ibuf)
1077 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
1078 ca6e02ac 2020-01-07 stsp struct imsg imsg;
1079 ca6e02ac 2020-01-07 stsp size_t datalen;
1080 ca6e02ac 2020-01-07 stsp const size_t min_datalen =
1081 ca6e02ac 2020-01-07 stsp MIN(sizeof(struct got_imsg_error),
1082 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_object));
1084 ca6e02ac 2020-01-07 stsp *commit = NULL;
1086 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1088 ca6e02ac 2020-01-07 stsp return err;
1090 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1092 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
1093 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
1094 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(commit, &imsg, datalen, ibuf);
1097 8c580685 2018-04-22 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1101 2178c42e 2018-04-22 stsp imsg_free(&imsg);
1103 e033d803 2018-04-23 stsp return err;
1106 e033d803 2018-04-23 stsp const struct got_error *
1107 3022d272 2019-11-14 stsp got_privsep_send_tree(struct imsgbuf *ibuf, struct got_pathlist_head *entries,
1108 3022d272 2019-11-14 stsp int nentries)
1110 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
1111 e033d803 2018-04-23 stsp struct got_imsg_tree_object itree;
1112 3022d272 2019-11-14 stsp struct got_pathlist_entry *pe;
1113 b00c9821 2018-11-04 stsp size_t totlen;
1114 6eb07a17 2018-11-04 stsp int nimsg; /* number of imsg queued in ibuf */
1116 3022d272 2019-11-14 stsp itree.nentries = nentries;
1117 e033d803 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_TREE, 0, 0, -1, &itree, sizeof(itree))
1119 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose TREE");
1121 b00c9821 2018-11-04 stsp totlen = sizeof(itree);
1122 6eb07a17 2018-11-04 stsp nimsg = 1;
1123 3022d272 2019-11-14 stsp TAILQ_FOREACH(pe, entries, entry) {
1124 3022d272 2019-11-14 stsp const char *name = pe->path;
1125 3022d272 2019-11-14 stsp struct got_parsed_tree_entry *pte = pe->data;
1126 3022d272 2019-11-14 stsp struct ibuf *wbuf;
1127 3022d272 2019-11-14 stsp size_t namelen = strlen(name);
1128 cd9e913a 2019-11-27 stsp size_t len = sizeof(struct got_imsg_tree_entry) + namelen;
1130 e033d803 2018-04-23 stsp if (len > MAX_IMSGSIZE)
1131 e033d803 2018-04-23 stsp return got_error(GOT_ERR_NO_SPACE);
1134 6eb07a17 2018-11-04 stsp if (totlen + len >= MAX_IMSGSIZE - (IMSG_HEADER_SIZE * nimsg)) {
1135 b00c9821 2018-11-04 stsp err = flush_imsg(ibuf);
1137 b00c9821 2018-11-04 stsp return err;
1138 6eb07a17 2018-11-04 stsp nimsg = 0;
1141 3022d272 2019-11-14 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_ENTRY, 0, 0, len);
1142 3022d272 2019-11-14 stsp if (wbuf == NULL)
1143 3022d272 2019-11-14 stsp return got_error_from_errno("imsg_create TREE_ENTRY");
1145 3022d272 2019-11-14 stsp /* Keep in sync with struct got_imsg_tree_object definition! */
1146 3b647085 2019-11-23 stsp if (imsg_add(wbuf, pte->id, SHA1_DIGEST_LENGTH) == -1) {
1147 3022d272 2019-11-14 stsp err = got_error_from_errno("imsg_add TREE_ENTRY");
1148 3b647085 2019-11-23 stsp ibuf_free(wbuf);
1149 e033d803 2018-04-23 stsp return err;
1151 3b647085 2019-11-23 stsp if (imsg_add(wbuf, &pte->mode, sizeof(pte->mode)) == -1) {
1152 3022d272 2019-11-14 stsp err = got_error_from_errno("imsg_add TREE_ENTRY");
1153 3b647085 2019-11-23 stsp ibuf_free(wbuf);
1154 3022d272 2019-11-14 stsp return err;
1157 3b647085 2019-11-23 stsp if (imsg_add(wbuf, name, namelen) == -1) {
1158 3022d272 2019-11-14 stsp err = got_error_from_errno("imsg_add TREE_ENTRY");
1159 3b647085 2019-11-23 stsp ibuf_free(wbuf);
1160 3022d272 2019-11-14 stsp return err;
1163 3022d272 2019-11-14 stsp wbuf->fd = -1;
1164 3022d272 2019-11-14 stsp imsg_close(ibuf, wbuf);
1166 b00c9821 2018-11-04 stsp totlen += len;
1169 b00c9821 2018-11-04 stsp return flush_imsg(ibuf);
1172 e033d803 2018-04-23 stsp const struct got_error *
1173 068fd2bf 2018-04-24 stsp got_privsep_recv_tree(struct got_tree_object **tree, struct imsgbuf *ibuf)
1175 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
1176 e033d803 2018-04-23 stsp const size_t min_datalen =
1177 e033d803 2018-04-23 stsp MIN(sizeof(struct got_imsg_error),
1178 e033d803 2018-04-23 stsp sizeof(struct got_imsg_tree_object));
1179 291624d8 2018-11-07 stsp struct got_imsg_tree_object *itree;
1180 e033d803 2018-04-23 stsp int nentries = 0;
1182 e033d803 2018-04-23 stsp *tree = NULL;
1184 e033d803 2018-04-23 stsp err = read_imsg(ibuf);
1186 1e51f5b9 2018-04-23 stsp goto done;
1189 e033d803 2018-04-23 stsp struct imsg imsg;
1191 e033d803 2018-04-23 stsp size_t datalen;
1192 c0588d8d 2018-11-07 stsp struct got_imsg_tree_entry *ite;
1193 e033d803 2018-04-23 stsp struct got_tree_entry *te = NULL;
1195 e033d803 2018-04-23 stsp n = imsg_get(ibuf, &imsg);
1196 e033d803 2018-04-23 stsp if (n == 0) {
1197 56e0773d 2019-11-28 stsp if (*tree && (*tree)->nentries != nentries)
1198 e033d803 2018-04-23 stsp goto get_more;
1202 e033d803 2018-04-23 stsp if (imsg.hdr.len < IMSG_HEADER_SIZE + min_datalen)
1203 e033d803 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1205 e033d803 2018-04-23 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1207 e033d803 2018-04-23 stsp switch (imsg.hdr.type) {
1208 e033d803 2018-04-23 stsp case GOT_IMSG_ERROR:
1209 e033d803 2018-04-23 stsp err = recv_imsg_error(&imsg, datalen);
1211 e033d803 2018-04-23 stsp case GOT_IMSG_TREE:
1212 e033d803 2018-04-23 stsp /* This message should only appear once. */
1213 e033d803 2018-04-23 stsp if (*tree != NULL) {
1214 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1217 291624d8 2018-11-07 stsp if (datalen != sizeof(*itree)) {
1218 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1221 291624d8 2018-11-07 stsp itree = imsg.data;
1222 c3b78ecc 2018-11-07 stsp *tree = malloc(sizeof(**tree));
1223 e033d803 2018-04-23 stsp if (*tree == NULL) {
1224 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1227 56e0773d 2019-11-28 stsp (*tree)->entries = calloc(itree->nentries,
1228 56e0773d 2019-11-28 stsp sizeof(struct got_tree_entry));
1229 56e0773d 2019-11-28 stsp if ((*tree)->entries == NULL) {
1230 56e0773d 2019-11-28 stsp err = got_error_from_errno("malloc");
1233 56e0773d 2019-11-28 stsp (*tree)->nentries = itree->nentries;
1234 c3b78ecc 2018-11-07 stsp (*tree)->refcnt = 0;
1236 e033d803 2018-04-23 stsp case GOT_IMSG_TREE_ENTRY:
1237 e033d803 2018-04-23 stsp /* This message should be preceeded by GOT_IMSG_TREE. */
1238 e033d803 2018-04-23 stsp if (*tree == NULL) {
1239 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1242 c0588d8d 2018-11-07 stsp if (datalen < sizeof(*ite) || datalen > MAX_IMSGSIZE) {
1243 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1247 e033d803 2018-04-23 stsp /* Remaining data contains the entry's name. */
1248 c0588d8d 2018-11-07 stsp datalen -= sizeof(*ite);
1249 e033d803 2018-04-23 stsp if (datalen == 0 || datalen > MAX_IMSGSIZE) {
1250 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1253 c0588d8d 2018-11-07 stsp ite = imsg.data;
1255 56e0773d 2019-11-28 stsp if (datalen + 1 > sizeof(te->name)) {
1256 56e0773d 2019-11-28 stsp err = got_error(GOT_ERR_NO_SPACE);
1259 56e0773d 2019-11-28 stsp te = &(*tree)->entries[nentries];
1260 c0588d8d 2018-11-07 stsp memcpy(te->name, imsg.data + sizeof(*ite), datalen);
1261 e033d803 2018-04-23 stsp te->name[datalen] = '\0';
1263 56e0773d 2019-11-28 stsp memcpy(te->id.sha1, ite->id, SHA1_DIGEST_LENGTH);
1264 c0588d8d 2018-11-07 stsp te->mode = ite->mode;
1265 56e0773d 2019-11-28 stsp te->idx = nentries;
1266 e033d803 2018-04-23 stsp nentries++;
1269 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1273 e033d803 2018-04-23 stsp imsg_free(&imsg);
1276 56e0773d 2019-11-28 stsp if (*tree && (*tree)->nentries != nentries) {
1277 1e51f5b9 2018-04-23 stsp if (err == NULL)
1278 1e51f5b9 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1279 e033d803 2018-04-23 stsp got_object_tree_close(*tree);
1280 e033d803 2018-04-23 stsp *tree = NULL;
1283 ff6b18f8 2018-04-24 stsp return err;
1286 ff6b18f8 2018-04-24 stsp const struct got_error *
1287 ac544f8c 2019-01-13 stsp got_privsep_send_blob(struct imsgbuf *ibuf, size_t size, size_t hdrlen,
1288 ac544f8c 2019-01-13 stsp const uint8_t *data)
1290 2967a784 2018-04-24 stsp struct got_imsg_blob iblob;
1292 2967a784 2018-04-24 stsp iblob.size = size;
1293 ebc55e2d 2018-12-24 stsp iblob.hdrlen = hdrlen;
1295 ac544f8c 2019-01-13 stsp if (data) {
1296 ac544f8c 2019-01-13 stsp uint8_t *buf;
1298 ac544f8c 2019-01-13 stsp if (size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX)
1299 ac544f8c 2019-01-13 stsp return got_error(GOT_ERR_NO_SPACE);
1301 ac544f8c 2019-01-13 stsp buf = malloc(sizeof(iblob) + size);
1302 ac544f8c 2019-01-13 stsp if (buf == NULL)
1303 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1305 ac544f8c 2019-01-13 stsp memcpy(buf, &iblob, sizeof(iblob));
1306 ac544f8c 2019-01-13 stsp memcpy(buf + sizeof(iblob), data, size);
1307 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, buf,
1308 ac544f8c 2019-01-13 stsp sizeof(iblob) + size) == -1) {
1309 ac544f8c 2019-01-13 stsp free(buf);
1310 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1312 ac544f8c 2019-01-13 stsp free(buf);
1314 ac544f8c 2019-01-13 stsp /* Data has already been written to file descriptor. */
1315 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, &iblob,
1316 ac544f8c 2019-01-13 stsp sizeof(iblob)) == -1)
1317 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1321 ff6b18f8 2018-04-24 stsp return flush_imsg(ibuf);
1324 ff6b18f8 2018-04-24 stsp const struct got_error *
1325 ac544f8c 2019-01-13 stsp got_privsep_recv_blob(uint8_t **outbuf, size_t *size, size_t *hdrlen,
1326 ac544f8c 2019-01-13 stsp struct imsgbuf *ibuf)
1328 ff6b18f8 2018-04-24 stsp const struct got_error *err = NULL;
1329 ff6b18f8 2018-04-24 stsp struct imsg imsg;
1330 291624d8 2018-11-07 stsp struct got_imsg_blob *iblob;
1331 ff6b18f8 2018-04-24 stsp size_t datalen;
1333 ac544f8c 2019-01-13 stsp *outbuf = NULL;
1335 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1337 ff6b18f8 2018-04-24 stsp return err;
1339 ff6b18f8 2018-04-24 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1341 ff6b18f8 2018-04-24 stsp switch (imsg.hdr.type) {
1342 ff6b18f8 2018-04-24 stsp case GOT_IMSG_BLOB:
1343 ac544f8c 2019-01-13 stsp if (datalen < sizeof(*iblob)) {
1344 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1347 291624d8 2018-11-07 stsp iblob = imsg.data;
1348 291624d8 2018-11-07 stsp *size = iblob->size;
1349 ebc55e2d 2018-12-24 stsp *hdrlen = iblob->hdrlen;
1351 ac544f8c 2019-01-13 stsp if (datalen == sizeof(*iblob)) {
1352 ac544f8c 2019-01-13 stsp /* Data has been written to file descriptor. */
1356 ac544f8c 2019-01-13 stsp if (*size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX) {
1357 ac544f8c 2019-01-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1361 ac544f8c 2019-01-13 stsp *outbuf = malloc(*size);
1362 ac544f8c 2019-01-13 stsp if (*outbuf == NULL) {
1363 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1366 ac544f8c 2019-01-13 stsp memcpy(*outbuf, imsg.data + sizeof(*iblob), *size);
1369 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1373 f4a881ce 2018-11-17 stsp imsg_free(&imsg);
1375 f4a881ce 2018-11-17 stsp return err;
1378 f4a881ce 2018-11-17 stsp static const struct got_error *
1379 f4a881ce 2018-11-17 stsp send_tagmsg(struct imsgbuf *ibuf, struct got_tag_object *tag, size_t tagmsg_len)
1381 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1382 f4a881ce 2018-11-17 stsp size_t offset, remain;
1384 f4a881ce 2018-11-17 stsp offset = 0;
1385 f4a881ce 2018-11-17 stsp remain = tagmsg_len;
1386 f4a881ce 2018-11-17 stsp while (remain > 0) {
1387 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1389 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_TAGMSG, 0, 0, -1,
1390 f4a881ce 2018-11-17 stsp tag->tagmsg + offset, n) == -1) {
1391 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG_TAGMSG");
1395 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1399 f4a881ce 2018-11-17 stsp offset += n;
1400 f4a881ce 2018-11-17 stsp remain -= n;
1403 f4a881ce 2018-11-17 stsp return err;
1406 f4a881ce 2018-11-17 stsp const struct got_error *
1407 f4a881ce 2018-11-17 stsp got_privsep_send_tag(struct imsgbuf *ibuf, struct got_tag_object *tag)
1409 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1410 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1411 f4a881ce 2018-11-17 stsp uint8_t *buf;
1412 f4a881ce 2018-11-17 stsp size_t len, total;
1413 f4a881ce 2018-11-17 stsp size_t tag_len = strlen(tag->tag);
1414 f4a881ce 2018-11-17 stsp size_t tagger_len = strlen(tag->tagger);
1415 f4a881ce 2018-11-17 stsp size_t tagmsg_len = strlen(tag->tagmsg);
1417 f4a881ce 2018-11-17 stsp total = sizeof(*itag) + tag_len + tagger_len + tagmsg_len;
1419 f4a881ce 2018-11-17 stsp buf = malloc(total);
1420 f4a881ce 2018-11-17 stsp if (buf == NULL)
1421 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1423 f4a881ce 2018-11-17 stsp itag = (struct got_imsg_tag_object *)buf;
1424 f4a881ce 2018-11-17 stsp memcpy(itag->id, tag->id.sha1, sizeof(itag->id));
1425 f4a881ce 2018-11-17 stsp itag->obj_type = tag->obj_type;
1426 f4a881ce 2018-11-17 stsp itag->tag_len = tag_len;
1427 f4a881ce 2018-11-17 stsp itag->tagger_len = tagger_len;
1428 f4a881ce 2018-11-17 stsp itag->tagger_time = tag->tagger_time;
1429 f4a881ce 2018-11-17 stsp itag->tagger_gmtoff = tag->tagger_gmtoff;
1430 f4a881ce 2018-11-17 stsp itag->tagmsg_len = tagmsg_len;
1432 f4a881ce 2018-11-17 stsp len = sizeof(*itag);
1433 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tag, tag_len);
1434 f4a881ce 2018-11-17 stsp len += tag_len;
1435 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tagger, tagger_len);
1436 f4a881ce 2018-11-17 stsp len += tagger_len;
1438 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG, 0, 0, -1, buf, len) == -1) {
1439 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG");
1440 f4a881ce 2018-11-17 stsp goto done;
1443 f4a881ce 2018-11-17 stsp if (tagmsg_len == 0 ||
1444 f4a881ce 2018-11-17 stsp tagmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1445 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1447 f4a881ce 2018-11-17 stsp goto done;
1449 f4a881ce 2018-11-17 stsp err = send_tagmsg(ibuf, tag, tagmsg_len);
1451 f4a881ce 2018-11-17 stsp free(buf);
1452 f4a881ce 2018-11-17 stsp return err;
1455 f4a881ce 2018-11-17 stsp const struct got_error *
1456 f4a881ce 2018-11-17 stsp got_privsep_recv_tag(struct got_tag_object **tag, struct imsgbuf *ibuf)
1458 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1459 f4a881ce 2018-11-17 stsp struct imsg imsg;
1460 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1461 f4a881ce 2018-11-17 stsp size_t len, datalen;
1462 f4a881ce 2018-11-17 stsp const size_t min_datalen =
1463 f4a881ce 2018-11-17 stsp MIN(sizeof(struct got_imsg_error),
1464 f4a881ce 2018-11-17 stsp sizeof(struct got_imsg_tag_object));
1466 f4a881ce 2018-11-17 stsp *tag = NULL;
1468 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1470 f4a881ce 2018-11-17 stsp return err;
1472 f4a881ce 2018-11-17 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1475 f4a881ce 2018-11-17 stsp switch (imsg.hdr.type) {
1476 f4a881ce 2018-11-17 stsp case GOT_IMSG_TAG:
1477 f4a881ce 2018-11-17 stsp if (datalen < sizeof(*itag)) {
1478 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1481 f4a881ce 2018-11-17 stsp itag = imsg.data;
1482 f4a881ce 2018-11-17 stsp if (datalen != sizeof(*itag) + itag->tag_len +
1483 f4a881ce 2018-11-17 stsp itag->tagger_len) {
1484 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1487 f4a881ce 2018-11-17 stsp len += sizeof(*itag);
1489 f4a881ce 2018-11-17 stsp *tag = calloc(1, sizeof(**tag));
1490 f4a881ce 2018-11-17 stsp if (*tag == NULL) {
1491 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
1495 f4a881ce 2018-11-17 stsp memcpy((*tag)->id.sha1, itag->id, SHA1_DIGEST_LENGTH);
1497 f4a881ce 2018-11-17 stsp if (itag->tag_len == 0) {
1498 f4a881ce 2018-11-17 stsp (*tag)->tag = strdup("");
1499 f4a881ce 2018-11-17 stsp if ((*tag)->tag == NULL) {
1500 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1504 f4a881ce 2018-11-17 stsp (*tag)->tag = malloc(itag->tag_len + 1);
1505 f4a881ce 2018-11-17 stsp if ((*tag)->tag == NULL) {
1506 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1509 f4a881ce 2018-11-17 stsp memcpy((*tag)->tag, imsg.data + len,
1510 f4a881ce 2018-11-17 stsp itag->tag_len);
1511 f4a881ce 2018-11-17 stsp (*tag)->tag[itag->tag_len] = '\0';
1513 f4a881ce 2018-11-17 stsp len += itag->tag_len;
1515 f4a881ce 2018-11-17 stsp (*tag)->obj_type = itag->obj_type;
1516 f4a881ce 2018-11-17 stsp (*tag)->tagger_time = itag->tagger_time;
1517 f4a881ce 2018-11-17 stsp (*tag)->tagger_gmtoff = itag->tagger_gmtoff;
1519 f4a881ce 2018-11-17 stsp if (itag->tagger_len == 0) {
1520 f4a881ce 2018-11-17 stsp (*tag)->tagger = strdup("");
1521 f4a881ce 2018-11-17 stsp if ((*tag)->tagger == NULL) {
1522 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1526 f4a881ce 2018-11-17 stsp (*tag)->tagger = malloc(itag->tagger_len + 1);
1527 f4a881ce 2018-11-17 stsp if ((*tag)->tagger == NULL) {
1528 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1531 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagger, imsg.data + len,
1532 f4a881ce 2018-11-17 stsp itag->tagger_len);
1533 f4a881ce 2018-11-17 stsp (*tag)->tagger[itag->tagger_len] = '\0';
1535 f4a881ce 2018-11-17 stsp len += itag->tagger_len;
1537 f4a881ce 2018-11-17 stsp if (itag->tagmsg_len == 0) {
1538 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = strdup("");
1539 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1540 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1544 f4a881ce 2018-11-17 stsp size_t offset = 0, remain = itag->tagmsg_len;
1546 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = malloc(itag->tagmsg_len + 1);
1547 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1548 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1551 f4a881ce 2018-11-17 stsp while (remain > 0) {
1552 f4a881ce 2018-11-17 stsp struct imsg imsg_log;
1553 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1556 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1558 f4a881ce 2018-11-17 stsp return err;
1560 f4a881ce 2018-11-17 stsp if (imsg_log.hdr.type != GOT_IMSG_TAG_TAGMSG)
1561 f4a881ce 2018-11-17 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
1563 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagmsg + offset, imsg_log.data,
1565 f4a881ce 2018-11-17 stsp imsg_free(&imsg_log);
1566 f4a881ce 2018-11-17 stsp offset += n;
1567 f4a881ce 2018-11-17 stsp remain -= n;
1569 f4a881ce 2018-11-17 stsp (*tag)->tagmsg[itag->tagmsg_len] = '\0';
1574 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1578 ff6b18f8 2018-04-24 stsp imsg_free(&imsg);
1580 2178c42e 2018-04-22 stsp return err;
1583 876c234b 2018-09-10 stsp const struct got_error *
1584 876c234b 2018-09-10 stsp got_privsep_init_pack_child(struct imsgbuf *ibuf, struct got_pack *pack,
1585 876c234b 2018-09-10 stsp struct got_packidx *packidx)
1587 41496140 2019-02-21 stsp const struct got_error *err = NULL;
1588 876c234b 2018-09-10 stsp struct got_imsg_packidx ipackidx;
1589 876c234b 2018-09-10 stsp struct got_imsg_pack ipack;
1592 876c234b 2018-09-10 stsp ipackidx.len = packidx->len;
1593 876c234b 2018-09-10 stsp fd = dup(packidx->fd);
1594 876c234b 2018-09-10 stsp if (fd == -1)
1595 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1597 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKIDX, 0, 0, fd, &ipackidx,
1598 41496140 2019-02-21 stsp sizeof(ipackidx)) == -1) {
1599 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACKIDX");
1600 41496140 2019-02-21 stsp close(fd);
1601 41496140 2019-02-21 stsp return err;
1604 876c234b 2018-09-10 stsp if (strlcpy(ipack.path_packfile, pack->path_packfile,
1605 876c234b 2018-09-10 stsp sizeof(ipack.path_packfile)) >= sizeof(ipack.path_packfile))
1606 876c234b 2018-09-10 stsp return got_error(GOT_ERR_NO_SPACE);
1607 876c234b 2018-09-10 stsp ipack.filesize = pack->filesize;
1609 876c234b 2018-09-10 stsp fd = dup(pack->fd);
1610 876c234b 2018-09-10 stsp if (fd == -1)
1611 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1613 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACK, 0, 0, fd, &ipack, sizeof(ipack))
1615 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACK");
1616 41496140 2019-02-21 stsp close(fd);
1617 41496140 2019-02-21 stsp return err;
1620 876c234b 2018-09-10 stsp return flush_imsg(ibuf);
1623 876c234b 2018-09-10 stsp const struct got_error *
1624 106807b4 2018-09-15 stsp got_privsep_send_packed_obj_req(struct imsgbuf *ibuf, int idx,
1625 106807b4 2018-09-15 stsp struct got_object_id *id)
1627 876c234b 2018-09-10 stsp struct got_imsg_packed_object iobj;
1629 876c234b 2018-09-10 stsp iobj.idx = idx;
1630 106807b4 2018-09-15 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
1632 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_OBJECT_REQUEST, 0, 0, -1,
1633 876c234b 2018-09-10 stsp &iobj, sizeof(iobj)) == -1)
1634 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose "
1635 230a42bd 2019-05-11 jcs "PACKED_OBJECT_REQUEST");
1637 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1640 aba9c984 2019-09-08 stsp const struct got_error *
1641 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_parse_req(struct imsgbuf *ibuf, int fd)
1643 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
1645 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_PARSE_REQUEST, 0, 0, fd,
1646 aba9c984 2019-09-08 stsp NULL, 0) == -1) {
1647 aba9c984 2019-09-08 stsp err = got_error_from_errno("imsg_compose "
1648 aba9c984 2019-09-08 stsp "GITCONFIG_PARSE_REQUEST");
1649 aba9c984 2019-09-08 stsp close(fd);
1650 aba9c984 2019-09-08 stsp return err;
1653 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1656 aba9c984 2019-09-08 stsp const struct got_error *
1657 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_repository_format_version_req(struct imsgbuf *ibuf)
1659 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
1660 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST, 0, 0, -1,
1661 aba9c984 2019-09-08 stsp NULL, 0) == -1)
1662 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
1663 aba9c984 2019-09-08 stsp "GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST");
1665 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1668 aba9c984 2019-09-08 stsp const struct got_error *
1669 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_name_req(struct imsgbuf *ibuf)
1671 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
1672 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_NAME_REQUEST, 0, 0, -1, NULL, 0) == -1)
1673 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
1674 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_NAME_REQUEST");
1676 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1679 aba9c984 2019-09-08 stsp const struct got_error *
1680 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_email_req(struct imsgbuf *ibuf)
1682 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
1683 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_EMAIL_REQUEST, 0, 0, -1, NULL, 0) == -1)
1684 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
1685 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_EMAIL_REQUEST");
1687 cd95becd 2019-11-29 stsp return flush_imsg(ibuf);
1690 cd95becd 2019-11-29 stsp const struct got_error *
1691 cd95becd 2019-11-29 stsp got_privsep_send_gitconfig_remotes_req(struct imsgbuf *ibuf)
1693 cd95becd 2019-11-29 stsp if (imsg_compose(ibuf,
1694 cd95becd 2019-11-29 stsp GOT_IMSG_GITCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
1695 cd95becd 2019-11-29 stsp return got_error_from_errno("imsg_compose "
1696 cd95becd 2019-11-29 stsp "GITCONFIG_REMOTE_REQUEST");
1698 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1701 aba9c984 2019-09-08 stsp const struct got_error *
1702 9a1cc63f 2020-02-03 stsp got_privsep_send_gitconfig_owner_req(struct imsgbuf *ibuf)
1704 9a1cc63f 2020-02-03 stsp if (imsg_compose(ibuf,
1705 9a1cc63f 2020-02-03 stsp GOT_IMSG_GITCONFIG_OWNER_REQUEST, 0, 0, -1, NULL, 0) == -1)
1706 9a1cc63f 2020-02-03 stsp return got_error_from_errno("imsg_compose "
1707 9a1cc63f 2020-02-03 stsp "GITCONFIG_OWNER_REQUEST");
1709 9a1cc63f 2020-02-03 stsp return flush_imsg(ibuf);
1712 9a1cc63f 2020-02-03 stsp const struct got_error *
1713 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_str(char **str, struct imsgbuf *ibuf)
1715 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
1716 aba9c984 2019-09-08 stsp struct imsg imsg;
1717 aba9c984 2019-09-08 stsp size_t datalen;
1718 aba9c984 2019-09-08 stsp const size_t min_datalen = 0;
1720 aba9c984 2019-09-08 stsp *str = NULL;
1722 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1724 aba9c984 2019-09-08 stsp return err;
1725 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1727 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
1728 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_STR_VAL:
1729 aba9c984 2019-09-08 stsp if (datalen == 0)
1731 aba9c984 2019-09-08 stsp *str = malloc(datalen);
1732 aba9c984 2019-09-08 stsp if (*str == NULL) {
1733 aba9c984 2019-09-08 stsp err = got_error_from_errno("malloc");
1736 aba9c984 2019-09-08 stsp if (strlcpy(*str, imsg.data, datalen) >= datalen)
1737 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_NO_SPACE);
1740 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1744 aba9c984 2019-09-08 stsp imsg_free(&imsg);
1745 aba9c984 2019-09-08 stsp return err;
1748 aba9c984 2019-09-08 stsp const struct got_error *
1749 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_int(int *val, struct imsgbuf *ibuf)
1751 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
1752 aba9c984 2019-09-08 stsp struct imsg imsg;
1753 aba9c984 2019-09-08 stsp size_t datalen;
1754 aba9c984 2019-09-08 stsp const size_t min_datalen =
1755 aba9c984 2019-09-08 stsp MIN(sizeof(struct got_imsg_error), sizeof(int));
1759 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1761 aba9c984 2019-09-08 stsp return err;
1762 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1764 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
1765 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_INT_VAL:
1766 aba9c984 2019-09-08 stsp if (datalen != sizeof(*val)) {
1767 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1770 aba9c984 2019-09-08 stsp memcpy(val, imsg.data, sizeof(*val));
1773 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1777 cd95becd 2019-11-29 stsp imsg_free(&imsg);
1778 cd95becd 2019-11-29 stsp return err;
1781 cd95becd 2019-11-29 stsp const struct got_error *
1782 cd95becd 2019-11-29 stsp got_privsep_recv_gitconfig_remotes(struct got_remote_repo **remotes,
1783 cd95becd 2019-11-29 stsp int *nremotes, struct imsgbuf *ibuf)
1785 cd95becd 2019-11-29 stsp const struct got_error *err = NULL;
1786 cd95becd 2019-11-29 stsp struct imsg imsg;
1787 cd95becd 2019-11-29 stsp size_t datalen;
1788 cd95becd 2019-11-29 stsp struct got_imsg_remotes iremotes;
1789 cd95becd 2019-11-29 stsp struct got_imsg_remote iremote;
1791 cd95becd 2019-11-29 stsp *remotes = NULL;
1792 cd95becd 2019-11-29 stsp *nremotes = 0;
1793 d669b9c9 2020-02-22 stsp iremotes.nremotes = 0;
1795 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremotes));
1797 cd95becd 2019-11-29 stsp return err;
1798 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1800 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
1801 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTES:
1802 cd95becd 2019-11-29 stsp if (datalen != sizeof(iremotes)) {
1803 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1806 cd95becd 2019-11-29 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
1807 cd95becd 2019-11-29 stsp if (iremotes.nremotes == 0) {
1808 cd95becd 2019-11-29 stsp imsg_free(&imsg);
1809 cd95becd 2019-11-29 stsp return NULL;
1813 54b1c5b5 2020-02-22 stsp imsg_free(&imsg);
1814 54b1c5b5 2020-02-22 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
1817 aba9c984 2019-09-08 stsp imsg_free(&imsg);
1819 5146eb39 2020-03-20 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
1820 cd95becd 2019-11-29 stsp if (*remotes == NULL)
1821 cd95becd 2019-11-29 stsp return got_error_from_errno("recallocarray");
1823 cd95becd 2019-11-29 stsp while (*nremotes < iremotes.nremotes) {
1824 cd95becd 2019-11-29 stsp struct got_remote_repo *remote;
1826 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremote));
1829 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1831 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
1832 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTE:
1833 cd95becd 2019-11-29 stsp remote = &(*remotes)[*nremotes];
1834 cd95becd 2019-11-29 stsp if (datalen < sizeof(iremote)) {
1835 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1838 cd95becd 2019-11-29 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
1839 cd95becd 2019-11-29 stsp if (iremote.name_len == 0 || iremote.url_len == 0 ||
1840 cd95becd 2019-11-29 stsp (sizeof(iremote) + iremote.name_len +
1841 cd95becd 2019-11-29 stsp iremote.url_len) > datalen) {
1842 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1845 cd95becd 2019-11-29 stsp remote->name = strndup(imsg.data + sizeof(iremote),
1846 cd95becd 2019-11-29 stsp iremote.name_len);
1847 cd95becd 2019-11-29 stsp if (remote->name == NULL) {
1848 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
1851 cd95becd 2019-11-29 stsp remote->url = strndup(imsg.data + sizeof(iremote) +
1852 cd95becd 2019-11-29 stsp iremote.name_len, iremote.url_len);
1853 cd95becd 2019-11-29 stsp if (remote->url == NULL) {
1854 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
1855 cd95becd 2019-11-29 stsp free(remote->name);
1858 469dd726 2020-03-20 stsp remote->mirror_references = iremote.mirror_references;
1859 cd95becd 2019-11-29 stsp (*nremotes)++;
1862 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1866 cd95becd 2019-11-29 stsp imsg_free(&imsg);
1871 cd95becd 2019-11-29 stsp if (err) {
1873 cd95becd 2019-11-29 stsp for (i = 0; i < *nremotes; i++) {
1874 cd95becd 2019-11-29 stsp free((*remotes)[i].name);
1875 cd95becd 2019-11-29 stsp free((*remotes)[i].url);
1877 cd95becd 2019-11-29 stsp free(*remotes);
1878 cd95becd 2019-11-29 stsp *remotes = NULL;
1879 cd95becd 2019-11-29 stsp *nremotes = 0;
1881 aba9c984 2019-09-08 stsp return err;
1884 ca6e02ac 2020-01-07 stsp const struct got_error *
1885 ca6e02ac 2020-01-07 stsp got_privsep_send_commit_traversal_request(struct imsgbuf *ibuf,
1886 ca6e02ac 2020-01-07 stsp struct got_object_id *id, int idx, const char *path)
1888 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
1889 ca6e02ac 2020-01-07 stsp struct ibuf *wbuf;
1890 ca6e02ac 2020-01-07 stsp size_t path_len = strlen(path) + 1;
1892 ca6e02ac 2020-01-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_COMMIT_TRAVERSAL_REQUEST, 0, 0,
1893 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_traversal_request) + path_len);
1894 ca6e02ac 2020-01-07 stsp if (wbuf == NULL)
1895 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
1896 ca6e02ac 2020-01-07 stsp "imsg_create COMMIT_TRAVERSAL_REQUEST");
1897 ca6e02ac 2020-01-07 stsp if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1) {
1898 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("imsg_add COMMIT_TRAVERSAL_REQUEST");
1899 ca6e02ac 2020-01-07 stsp ibuf_free(wbuf);
1900 ca6e02ac 2020-01-07 stsp return err;
1902 ca6e02ac 2020-01-07 stsp if (imsg_add(wbuf, &idx, sizeof(idx)) == -1) {
1903 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("imsg_add COMMIT_TRAVERSAL_REQUEST");
1904 ca6e02ac 2020-01-07 stsp ibuf_free(wbuf);
1905 ca6e02ac 2020-01-07 stsp return err;
1907 ca6e02ac 2020-01-07 stsp if (imsg_add(wbuf, path, path_len) == -1) {
1908 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("imsg_add COMMIT_TRAVERSAL_REQUEST");
1909 ca6e02ac 2020-01-07 stsp ibuf_free(wbuf);
1910 ca6e02ac 2020-01-07 stsp return err;
1913 ca6e02ac 2020-01-07 stsp wbuf->fd = -1;
1914 ca6e02ac 2020-01-07 stsp imsg_close(ibuf, wbuf);
1916 ca6e02ac 2020-01-07 stsp return flush_imsg(ibuf);
1919 ca6e02ac 2020-01-07 stsp const struct got_error *
1920 ca6e02ac 2020-01-07 stsp got_privsep_recv_traversed_commits(struct got_commit_object **changed_commit,
1921 ca6e02ac 2020-01-07 stsp struct got_object_id **changed_commit_id,
1922 ca6e02ac 2020-01-07 stsp struct got_object_id_queue *commit_ids, struct imsgbuf *ibuf)
1924 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
1925 ca6e02ac 2020-01-07 stsp struct imsg imsg;
1926 ca6e02ac 2020-01-07 stsp struct got_imsg_traversed_commits *icommits;
1927 ca6e02ac 2020-01-07 stsp size_t datalen;
1928 ca6e02ac 2020-01-07 stsp int i, done = 0;
1930 ca6e02ac 2020-01-07 stsp *changed_commit = NULL;
1931 ca6e02ac 2020-01-07 stsp *changed_commit_id = NULL;
1933 ca6e02ac 2020-01-07 stsp while (!done) {
1934 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1936 ca6e02ac 2020-01-07 stsp return err;
1938 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1939 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
1940 ca6e02ac 2020-01-07 stsp case GOT_IMSG_TRAVERSED_COMMITS:
1941 ca6e02ac 2020-01-07 stsp icommits = imsg.data;
1942 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommits) +
1943 ca6e02ac 2020-01-07 stsp icommits->ncommits * SHA1_DIGEST_LENGTH) {
1944 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1947 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommits->ncommits; i++) {
1948 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
1949 ca6e02ac 2020-01-07 stsp uint8_t *sha1 = (uint8_t *)imsg.data +
1950 ca6e02ac 2020-01-07 stsp sizeof(*icommits) + i * SHA1_DIGEST_LENGTH;
1951 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
1954 ca6e02ac 2020-01-07 stsp memcpy(qid->id->sha1, sha1, SHA1_DIGEST_LENGTH);
1955 ca6e02ac 2020-01-07 stsp SIMPLEQ_INSERT_TAIL(commit_ids, qid, entry);
1957 ca6e02ac 2020-01-07 stsp /* The last commit may contain a change. */
1958 ca6e02ac 2020-01-07 stsp if (i == icommits->ncommits - 1) {
1959 ca6e02ac 2020-01-07 stsp *changed_commit_id =
1960 ca6e02ac 2020-01-07 stsp got_object_id_dup(qid->id);
1961 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
1962 ca6e02ac 2020-01-07 stsp err = got_error_from_errno(
1963 ca6e02ac 2020-01-07 stsp "got_object_id_dup");
1969 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
1970 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
1971 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1974 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(changed_commit, &imsg,
1975 ca6e02ac 2020-01-07 stsp datalen, ibuf);
1977 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT_TRAVERSAL_DONE:
1981 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1985 ca6e02ac 2020-01-07 stsp imsg_free(&imsg);
1991 ca6e02ac 2020-01-07 stsp got_object_id_queue_free(commit_ids);
1992 ca6e02ac 2020-01-07 stsp return err;
1995 ca6e02ac 2020-01-07 stsp const struct got_error *
1996 63219cd2 2019-01-04 stsp got_privsep_unveil_exec_helpers(void)
1998 c39c25dd 2019-08-09 stsp const char *helpers[] = {
1999 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_PACK,
2000 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_OBJECT,
2001 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_COMMIT,
2002 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TREE,
2003 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_BLOB,
2004 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TAG,
2005 aba9c984 2019-09-08 stsp GOT_PATH_PROG_READ_GITCONFIG,
2006 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_FETCH_PACK,
2007 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_INDEX_PACK,
2011 c39c25dd 2019-08-09 stsp for (i = 0; i < nitems(helpers); i++) {
2012 c39c25dd 2019-08-09 stsp if (unveil(helpers[i], "x") == 0)
2014 c39c25dd 2019-08-09 stsp return got_error_from_errno2("unveil", helpers[i]);
2017 63219cd2 2019-01-04 stsp return NULL;
2021 aba9c984 2019-09-08 stsp got_privsep_exec_child(int imsg_fds[2], const char *path, const char *repo_path)
2023 aba9c984 2019-09-08 stsp if (close(imsg_fds[0]) != 0) {
2024 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
2028 aba9c984 2019-09-08 stsp if (dup2(imsg_fds[1], GOT_IMSG_FD_CHILD) == -1) {
2029 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
2032 aba9c984 2019-09-08 stsp if (closefrom(GOT_IMSG_FD_CHILD + 1) == -1) {
2033 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
2037 aba9c984 2019-09-08 stsp if (execl(path, path, repo_path, (char *)NULL) == -1) {
2038 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s: %s\n", getprogname(), path,
2039 aba9c984 2019-09-08 stsp strerror(errno));
