2 5d56da81 2019-01-13 stsp * Copyright (c) 2018, 2019 Stefan Sperling <stsp@openbsd.org>
4 2178c42e 2018-04-22 stsp * Permission to use, copy, modify, and distribute this software for any
5 2178c42e 2018-04-22 stsp * purpose with or without fee is hereby granted, provided that the above
6 2178c42e 2018-04-22 stsp * copyright notice and this permission notice appear in all copies.
8 2178c42e 2018-04-22 stsp * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 2178c42e 2018-04-22 stsp * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 2178c42e 2018-04-22 stsp * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 2178c42e 2018-04-22 stsp * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 2178c42e 2018-04-22 stsp * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 2178c42e 2018-04-22 stsp * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 2178c42e 2018-04-22 stsp * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 2178c42e 2018-04-22 stsp #include <sys/types.h>
18 2178c42e 2018-04-22 stsp #include <sys/queue.h>
19 2178c42e 2018-04-22 stsp #include <sys/uio.h>
20 876c234b 2018-09-10 stsp #include <sys/syslimits.h>
21 876c234b 2018-09-10 stsp #include <sys/wait.h>
23 2178c42e 2018-04-22 stsp #include <stdio.h>
24 2178c42e 2018-04-22 stsp #include <stdlib.h>
25 2178c42e 2018-04-22 stsp #include <string.h>
26 2178c42e 2018-04-22 stsp #include <errno.h>
27 2178c42e 2018-04-22 stsp #include <stdint.h>
28 2178c42e 2018-04-22 stsp #include <poll.h>
29 2178c42e 2018-04-22 stsp #include <imsg.h>
30 2178c42e 2018-04-22 stsp #include <sha1.h>
31 2178c42e 2018-04-22 stsp #include <zlib.h>
32 788c352e 2018-06-16 stsp #include <time.h>
34 2178c42e 2018-04-22 stsp #include "got_object.h"
35 2178c42e 2018-04-22 stsp #include "got_error.h"
37 2178c42e 2018-04-22 stsp #include "got_lib_sha1.h"
38 2178c42e 2018-04-22 stsp #include "got_lib_delta.h"
39 63581804 2018-07-09 stsp #include "got_lib_inflate.h"
40 2178c42e 2018-04-22 stsp #include "got_lib_object.h"
41 a440fac0 2018-09-06 stsp #include "got_lib_object_parse.h"
42 2178c42e 2018-04-22 stsp #include "got_lib_privsep.h"
43 876c234b 2018-09-10 stsp #include "got_lib_pack.h"
46 2178c42e 2018-04-22 stsp #define MIN(_a,_b) ((_a) < (_b) ? (_a) : (_b))
49 c39c25dd 2019-08-09 stsp #ifndef nitems
50 c39c25dd 2019-08-09 stsp #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
53 2178c42e 2018-04-22 stsp static const struct got_error *
54 2178c42e 2018-04-22 stsp poll_fd(int fd, int events, int timeout)
56 2178c42e 2018-04-22 stsp struct pollfd pfd[1];
59 2178c42e 2018-04-22 stsp pfd[0].fd = fd;
60 2178c42e 2018-04-22 stsp pfd[0].events = events;
62 2178c42e 2018-04-22 stsp n = poll(pfd, 1, timeout);
63 2178c42e 2018-04-22 stsp if (n == -1)
64 638f9024 2019-05-13 stsp return got_error_from_errno("poll");
66 2178c42e 2018-04-22 stsp return got_error(GOT_ERR_TIMEOUT);
67 2178c42e 2018-04-22 stsp if (pfd[0].revents & (POLLERR | POLLNVAL))
68 638f9024 2019-05-13 stsp return got_error_from_errno("poll error");
69 2178c42e 2018-04-22 stsp if (pfd[0].revents & (events | POLLHUP))
70 2178c42e 2018-04-22 stsp return NULL;
72 2178c42e 2018-04-22 stsp return got_error(GOT_ERR_INTERRUPT);
75 c4eae628 2018-04-23 stsp static const struct got_error *
76 e033d803 2018-04-23 stsp read_imsg(struct imsgbuf *ibuf)
78 fe36cf76 2018-04-23 stsp const struct got_error *err;
81 fe36cf76 2018-04-23 stsp err = poll_fd(ibuf->fd, POLLIN, INFTIM);
85 fe36cf76 2018-04-23 stsp n = imsg_read(ibuf);
86 fe36cf76 2018-04-23 stsp if (n == -1) {
87 fe36cf76 2018-04-23 stsp if (errno == EAGAIN) /* Could be a file-descriptor leak. */
88 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_NO_FD);
89 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_READ);
92 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_PIPE);
94 e033d803 2018-04-23 stsp return NULL;
97 ad242220 2018-09-08 stsp const struct got_error *
98 876c234b 2018-09-10 stsp got_privsep_wait_for_child(pid_t pid)
100 876c234b 2018-09-10 stsp int child_status;
102 2cb49fa8 2019-05-10 stsp if (waitpid(pid, &child_status, 0) == -1)
103 638f9024 2019-05-13 stsp return got_error_from_errno("waitpid");
105 876c234b 2018-09-10 stsp if (!WIFEXITED(child_status))
106 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_DIED);
108 876c234b 2018-09-10 stsp if (WEXITSTATUS(child_status) != 0)
109 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_EXIT);
111 876c234b 2018-09-10 stsp return NULL;
114 73b7854a 2018-11-11 stsp static const struct got_error *
115 73b7854a 2018-11-11 stsp recv_imsg_error(struct imsg *imsg, size_t datalen)
117 73b7854a 2018-11-11 stsp struct got_imsg_error *ierr;
119 73b7854a 2018-11-11 stsp if (datalen != sizeof(*ierr))
120 73b7854a 2018-11-11 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
122 73b7854a 2018-11-11 stsp ierr = imsg->data;
123 73b7854a 2018-11-11 stsp if (ierr->code == GOT_ERR_ERRNO) {
124 73b7854a 2018-11-11 stsp static struct got_error serr;
125 73b7854a 2018-11-11 stsp serr.code = GOT_ERR_ERRNO;
126 73b7854a 2018-11-11 stsp serr.msg = strerror(ierr->errno_code);
127 73b7854a 2018-11-11 stsp return &serr;
130 73b7854a 2018-11-11 stsp return got_error(ierr->code);
133 876c234b 2018-09-10 stsp const struct got_error *
134 46de5bfd 2018-11-11 stsp got_privsep_recv_imsg(struct imsg *imsg, struct imsgbuf *ibuf,
135 46de5bfd 2018-11-11 stsp size_t min_datalen)
137 e033d803 2018-04-23 stsp const struct got_error *err;
140 e033d803 2018-04-23 stsp n = imsg_get(ibuf, imsg);
141 876c234b 2018-09-10 stsp if (n == -1)
142 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_get");
144 876c234b 2018-09-10 stsp while (n == 0) {
145 876c234b 2018-09-10 stsp err = read_imsg(ibuf);
147 876c234b 2018-09-10 stsp return err;
148 876c234b 2018-09-10 stsp n = imsg_get(ibuf, imsg);
151 fe36cf76 2018-04-23 stsp if (imsg->hdr.len < IMSG_HEADER_SIZE + min_datalen)
152 c4eae628 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
154 73b7854a 2018-11-11 stsp if (imsg->hdr.type == GOT_IMSG_ERROR) {
155 73b7854a 2018-11-11 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
156 73b7854a 2018-11-11 stsp return recv_imsg_error(imsg, datalen);
159 73b7854a 2018-11-11 stsp return NULL;
162 2178c42e 2018-04-22 stsp /* Attempt to send an error in an imsg. Complain on stderr as a last resort. */
164 2178c42e 2018-04-22 stsp got_privsep_send_error(struct imsgbuf *ibuf, const struct got_error *err)
166 2178c42e 2018-04-22 stsp const struct got_error *poll_err;
167 2178c42e 2018-04-22 stsp struct got_imsg_error ierr;
170 2178c42e 2018-04-22 stsp ierr.code = err->code;
171 2178c42e 2018-04-22 stsp if (err->code == GOT_ERR_ERRNO)
172 2178c42e 2018-04-22 stsp ierr.errno_code = errno;
174 2178c42e 2018-04-22 stsp ierr.errno_code = 0;
175 2178c42e 2018-04-22 stsp ret = imsg_compose(ibuf, GOT_IMSG_ERROR, 0, 0, -1, &ierr, sizeof(ierr));
176 e93cd828 2018-11-11 stsp if (ret == -1) {
177 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_compose: %s\n",
178 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
182 2178c42e 2018-04-22 stsp poll_err = poll_fd(ibuf->fd, POLLOUT, INFTIM);
183 5d43e84d 2018-04-23 stsp if (poll_err) {
184 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": poll: %s\n",
185 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, poll_err->msg);
189 2178c42e 2018-04-22 stsp ret = imsg_flush(ibuf);
190 5d43e84d 2018-04-23 stsp if (ret == -1) {
191 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_flush: %s\n",
192 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
197 e033d803 2018-04-23 stsp static const struct got_error *
198 e033d803 2018-04-23 stsp flush_imsg(struct imsgbuf *ibuf)
200 e033d803 2018-04-23 stsp const struct got_error *err;
202 e033d803 2018-04-23 stsp err = poll_fd(ibuf->fd, POLLOUT, INFTIM);
204 e033d803 2018-04-23 stsp return err;
206 e033d803 2018-04-23 stsp if (imsg_flush(ibuf) == -1)
207 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_flush");
209 e033d803 2018-04-23 stsp return NULL;
212 ad242220 2018-09-08 stsp const struct got_error *
213 ad242220 2018-09-08 stsp got_privsep_send_stop(int fd)
215 ad242220 2018-09-08 stsp const struct got_error *err = NULL;
216 ad242220 2018-09-08 stsp struct imsgbuf ibuf;
218 ad242220 2018-09-08 stsp imsg_init(&ibuf, fd);
220 ad242220 2018-09-08 stsp if (imsg_compose(&ibuf, GOT_IMSG_STOP, 0, 0, -1, NULL, 0) == -1)
221 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose STOP");
223 ad242220 2018-09-08 stsp err = flush_imsg(&ibuf);
224 ad242220 2018-09-08 stsp imsg_clear(&ibuf);
225 ad242220 2018-09-08 stsp return err;
228 ad242220 2018-09-08 stsp const struct got_error *
229 aea5f015 2018-12-24 stsp got_privsep_send_obj_req(struct imsgbuf *ibuf, int fd)
231 aea5f015 2018-12-24 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT_REQUEST, 0, 0, fd, NULL, 0)
233 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT_REQUEST");
235 1785f84a 2018-12-23 stsp return flush_imsg(ibuf);
238 1785f84a 2018-12-23 stsp const struct got_error *
239 1785f84a 2018-12-23 stsp got_privsep_send_commit_req(struct imsgbuf *ibuf, int fd,
240 1785f84a 2018-12-23 stsp struct got_object_id *id, int pack_idx)
242 41496140 2019-02-21 stsp const struct got_error *err = NULL;
243 1785f84a 2018-12-23 stsp struct got_imsg_packed_object iobj, *iobjp;
244 1785f84a 2018-12-23 stsp size_t len;
246 1785f84a 2018-12-23 stsp if (id) { /* commit is packed */
247 1785f84a 2018-12-23 stsp iobj.idx = pack_idx;
248 1785f84a 2018-12-23 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
249 1785f84a 2018-12-23 stsp iobjp = &iobj;
250 1785f84a 2018-12-23 stsp len = sizeof(iobj);
252 1785f84a 2018-12-23 stsp iobjp = NULL;
256 1785f84a 2018-12-23 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_REQUEST, 0, 0, fd, iobjp, len)
258 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT_REQUEST");
260 41496140 2019-02-21 stsp return err;
263 13c729f7 2018-12-24 stsp return flush_imsg(ibuf);
266 13c729f7 2018-12-24 stsp const struct got_error *
267 13c729f7 2018-12-24 stsp got_privsep_send_tree_req(struct imsgbuf *ibuf, int fd,
268 13c729f7 2018-12-24 stsp struct got_object_id *id, int pack_idx)
270 41496140 2019-02-21 stsp const struct got_error *err = NULL;
271 13c729f7 2018-12-24 stsp struct got_imsg_packed_object iobj, *iobjp;
272 13c729f7 2018-12-24 stsp size_t len;
274 13c729f7 2018-12-24 stsp if (id) { /* tree is packed */
275 13c729f7 2018-12-24 stsp iobj.idx = pack_idx;
276 13c729f7 2018-12-24 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
277 13c729f7 2018-12-24 stsp iobjp = &iobj;
278 13c729f7 2018-12-24 stsp len = sizeof(iobj);
280 13c729f7 2018-12-24 stsp iobjp = NULL;
284 13c729f7 2018-12-24 stsp if (imsg_compose(ibuf, GOT_IMSG_TREE_REQUEST, 0, 0, fd, iobjp, len)
286 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TREE_REQUEST");
288 41496140 2019-02-21 stsp return err;
291 268f7291 2018-12-24 stsp return flush_imsg(ibuf);
294 268f7291 2018-12-24 stsp const struct got_error *
295 268f7291 2018-12-24 stsp got_privsep_send_tag_req(struct imsgbuf *ibuf, int fd,
296 268f7291 2018-12-24 stsp struct got_object_id *id, int pack_idx)
298 268f7291 2018-12-24 stsp struct got_imsg_packed_object iobj, *iobjp;
299 268f7291 2018-12-24 stsp size_t len;
301 268f7291 2018-12-24 stsp if (id) { /* tag is packed */
302 268f7291 2018-12-24 stsp iobj.idx = pack_idx;
303 268f7291 2018-12-24 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
304 268f7291 2018-12-24 stsp iobjp = &iobj;
305 268f7291 2018-12-24 stsp len = sizeof(iobj);
307 268f7291 2018-12-24 stsp iobjp = NULL;
311 268f7291 2018-12-24 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_REQUEST, 0, 0, fd, iobjp, len)
313 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose TAG_REQUEST");
315 7762fe12 2018-11-05 stsp return flush_imsg(ibuf);
318 7762fe12 2018-11-05 stsp const struct got_error *
319 ebc55e2d 2018-12-24 stsp got_privsep_send_blob_req(struct imsgbuf *ibuf, int infd,
320 ebc55e2d 2018-12-24 stsp struct got_object_id *id, int pack_idx)
322 41496140 2019-02-21 stsp const struct got_error *err = NULL;
323 ebc55e2d 2018-12-24 stsp struct got_imsg_packed_object iobj, *iobjp;
324 ebc55e2d 2018-12-24 stsp size_t len;
326 ebc55e2d 2018-12-24 stsp if (id) { /* blob is packed */
327 ebc55e2d 2018-12-24 stsp iobj.idx = pack_idx;
328 ebc55e2d 2018-12-24 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
329 ebc55e2d 2018-12-24 stsp iobjp = &iobj;
330 ebc55e2d 2018-12-24 stsp len = sizeof(iobj);
332 ebc55e2d 2018-12-24 stsp iobjp = NULL;
336 ebc55e2d 2018-12-24 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_REQUEST, 0, 0, infd, iobjp, len)
338 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_REQUEST");
339 41496140 2019-02-21 stsp close(infd);
340 41496140 2019-02-21 stsp return err;
343 55da3778 2018-09-10 stsp return flush_imsg(ibuf);
346 55da3778 2018-09-10 stsp const struct got_error *
347 55da3778 2018-09-10 stsp got_privsep_send_blob_outfd(struct imsgbuf *ibuf, int outfd)
349 41496140 2019-02-21 stsp const struct got_error *err = NULL;
351 ad242220 2018-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_OUTFD, 0, 0, outfd, NULL, 0)
353 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_OUTFD");
354 41496140 2019-02-21 stsp close(outfd);
355 41496140 2019-02-21 stsp return err;
358 3840f4c9 2018-09-12 stsp return flush_imsg(ibuf);
361 3840f4c9 2018-09-12 stsp const struct got_error *
362 3840f4c9 2018-09-12 stsp got_privsep_send_tmpfd(struct imsgbuf *ibuf, int fd)
364 41496140 2019-02-21 stsp const struct got_error *err = NULL;
366 3840f4c9 2018-09-12 stsp if (imsg_compose(ibuf, GOT_IMSG_TMPFD, 0, 0, fd, NULL, 0)
368 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TMPFD");
370 41496140 2019-02-21 stsp return err;
373 ad242220 2018-09-08 stsp return flush_imsg(ibuf);
376 ad242220 2018-09-08 stsp const struct got_error *
377 876c234b 2018-09-10 stsp got_privsep_send_obj(struct imsgbuf *ibuf, struct got_object *obj)
379 2178c42e 2018-04-22 stsp struct got_imsg_object iobj;
381 c59b3346 2018-09-11 stsp memcpy(iobj.id, obj->id.sha1, sizeof(iobj.id));
382 2178c42e 2018-04-22 stsp iobj.type = obj->type;
383 2178c42e 2018-04-22 stsp iobj.flags = obj->flags;
384 2178c42e 2018-04-22 stsp iobj.hdrlen = obj->hdrlen;
385 2178c42e 2018-04-22 stsp iobj.size = obj->size;
386 c59b3346 2018-09-11 stsp if (iobj.flags & GOT_OBJ_FLAG_PACKED) {
387 876c234b 2018-09-10 stsp iobj.pack_offset = obj->pack_offset;
388 c59b3346 2018-09-11 stsp iobj.pack_idx = obj->pack_idx;
391 2178c42e 2018-04-22 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT, 0, 0, -1, &iobj, sizeof(iobj))
393 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT");
395 c59b3346 2018-09-11 stsp return flush_imsg(ibuf);
398 cfd633c2 2018-09-10 stsp const struct got_error *
399 cfd633c2 2018-09-10 stsp got_privsep_get_imsg_obj(struct got_object **obj, struct imsg *imsg,
400 cfd633c2 2018-09-10 stsp struct imsgbuf *ibuf)
402 cfd633c2 2018-09-10 stsp const struct got_error *err = NULL;
403 291624d8 2018-11-07 stsp struct got_imsg_object *iobj;
404 cfd633c2 2018-09-10 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
406 291624d8 2018-11-07 stsp if (datalen != sizeof(*iobj))
407 cfd633c2 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
408 291624d8 2018-11-07 stsp iobj = imsg->data;
410 cfd633c2 2018-09-10 stsp *obj = calloc(1, sizeof(**obj));
411 cfd633c2 2018-09-10 stsp if (*obj == NULL)
412 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
414 291624d8 2018-11-07 stsp memcpy((*obj)->id.sha1, iobj->id, SHA1_DIGEST_LENGTH);
415 291624d8 2018-11-07 stsp (*obj)->type = iobj->type;
416 291624d8 2018-11-07 stsp (*obj)->flags = iobj->flags;
417 291624d8 2018-11-07 stsp (*obj)->hdrlen = iobj->hdrlen;
418 291624d8 2018-11-07 stsp (*obj)->size = iobj->size;
419 c59b3346 2018-09-11 stsp /* path_packfile is handled by caller */
420 291624d8 2018-11-07 stsp if (iobj->flags & GOT_OBJ_FLAG_PACKED) {
421 291624d8 2018-11-07 stsp (*obj)->pack_offset = iobj->pack_offset;
422 291624d8 2018-11-07 stsp (*obj)->pack_idx = iobj->pack_idx;
425 876c234b 2018-09-10 stsp return err;
428 2178c42e 2018-04-22 stsp const struct got_error *
429 2178c42e 2018-04-22 stsp got_privsep_recv_obj(struct got_object **obj, struct imsgbuf *ibuf)
431 2178c42e 2018-04-22 stsp const struct got_error *err = NULL;
432 2178c42e 2018-04-22 stsp struct imsg imsg;
433 c4eae628 2018-04-23 stsp const size_t min_datalen =
434 c4eae628 2018-04-23 stsp MIN(sizeof(struct got_imsg_error), sizeof(struct got_imsg_object));
436 2178c42e 2018-04-22 stsp *obj = NULL;
438 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
440 2178c42e 2018-04-22 stsp return err;
442 2178c42e 2018-04-22 stsp switch (imsg.hdr.type) {
443 2178c42e 2018-04-22 stsp case GOT_IMSG_OBJECT:
444 cfd633c2 2018-09-10 stsp err = got_privsep_get_imsg_obj(obj, &imsg, ibuf);
447 bff6ca00 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
451 bff6ca00 2018-04-23 stsp imsg_free(&imsg);
453 bff6ca00 2018-04-23 stsp return err;
456 c75f7264 2018-09-11 stsp static const struct got_error *
457 c75f7264 2018-09-11 stsp send_commit_logmsg(struct imsgbuf *ibuf, struct got_commit_object *commit,
458 c75f7264 2018-09-11 stsp size_t logmsg_len)
460 fa4ffeb3 2018-11-04 stsp const struct got_error *err = NULL;
461 c75f7264 2018-09-11 stsp size_t offset, remain;
463 c75f7264 2018-09-11 stsp offset = 0;
464 c75f7264 2018-09-11 stsp remain = logmsg_len;
465 c75f7264 2018-09-11 stsp while (remain > 0) {
466 c75f7264 2018-09-11 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
468 c75f7264 2018-09-11 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_LOGMSG, 0, 0, -1,
469 fa4ffeb3 2018-11-04 stsp commit->logmsg + offset, n) == -1) {
470 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose "
471 230a42bd 2019-05-11 jcs "COMMIT_LOGMSG");
475 fa4ffeb3 2018-11-04 stsp err = flush_imsg(ibuf);
479 c75f7264 2018-09-11 stsp offset += n;
480 c75f7264 2018-09-11 stsp remain -= n;
483 fa4ffeb3 2018-11-04 stsp return err;
486 bff6ca00 2018-04-23 stsp const struct got_error *
487 068fd2bf 2018-04-24 stsp got_privsep_send_commit(struct imsgbuf *ibuf, struct got_commit_object *commit)
489 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
490 b9c33926 2018-11-07 stsp struct got_imsg_commit_object *icommit;
491 bff6ca00 2018-04-23 stsp uint8_t *buf;
492 bff6ca00 2018-04-23 stsp size_t len, total;
493 79f35eb3 2018-06-11 stsp struct got_object_qid *qid;
494 b9c33926 2018-11-07 stsp size_t author_len = strlen(commit->author);
495 b9c33926 2018-11-07 stsp size_t committer_len = strlen(commit->committer);
496 c75f7264 2018-09-11 stsp size_t logmsg_len = strlen(commit->logmsg);
498 b9c33926 2018-11-07 stsp total = sizeof(*icommit) + author_len + committer_len +
499 b9c33926 2018-11-07 stsp commit->nparents * SHA1_DIGEST_LENGTH;
501 bff6ca00 2018-04-23 stsp buf = malloc(total);
502 bff6ca00 2018-04-23 stsp if (buf == NULL)
503 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
505 b9c33926 2018-11-07 stsp icommit = (struct got_imsg_commit_object *)buf;
506 a7403916 2018-12-24 stsp memcpy(icommit->tree_id, commit->tree_id->sha1,
507 a7403916 2018-12-24 stsp sizeof(icommit->tree_id));
508 b9c33926 2018-11-07 stsp icommit->author_len = author_len;
509 b9c33926 2018-11-07 stsp icommit->author_time = commit->author_time;
510 b9c33926 2018-11-07 stsp icommit->author_gmtoff = commit->author_gmtoff;
511 b9c33926 2018-11-07 stsp icommit->committer_len = committer_len;
512 b9c33926 2018-11-07 stsp icommit->committer_time = commit->committer_time;
513 b9c33926 2018-11-07 stsp icommit->committer_gmtoff = commit->committer_gmtoff;
514 b9c33926 2018-11-07 stsp icommit->logmsg_len = logmsg_len;
515 b9c33926 2018-11-07 stsp icommit->nparents = commit->nparents;
517 b9c33926 2018-11-07 stsp len = sizeof(*icommit);
518 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->author, author_len);
519 b9c33926 2018-11-07 stsp len += author_len;
520 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->committer, committer_len);
521 b9c33926 2018-11-07 stsp len += committer_len;
522 79f35eb3 2018-06-11 stsp SIMPLEQ_FOREACH(qid, &commit->parent_ids, entry) {
523 79f35eb3 2018-06-11 stsp memcpy(buf + len, qid->id, SHA1_DIGEST_LENGTH);
524 86acc566 2018-04-23 stsp len += SHA1_DIGEST_LENGTH;
527 bff6ca00 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT, 0, 0, -1, buf, len) == -1) {
528 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT");
532 904df868 2018-11-04 stsp if (logmsg_len == 0 ||
533 904df868 2018-11-04 stsp logmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
534 904df868 2018-11-04 stsp err = flush_imsg(ibuf);
538 c75f7264 2018-09-11 stsp err = send_commit_logmsg(ibuf, commit, logmsg_len);
541 bff6ca00 2018-04-23 stsp return err;
544 bff6ca00 2018-04-23 stsp const struct got_error *
545 068fd2bf 2018-04-24 stsp got_privsep_recv_commit(struct got_commit_object **commit, struct imsgbuf *ibuf)
547 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
548 bff6ca00 2018-04-23 stsp struct imsg imsg;
549 291624d8 2018-11-07 stsp struct got_imsg_commit_object *icommit;
550 bff6ca00 2018-04-23 stsp size_t len, datalen;
552 bff6ca00 2018-04-23 stsp const size_t min_datalen =
553 bff6ca00 2018-04-23 stsp MIN(sizeof(struct got_imsg_error),
554 bff6ca00 2018-04-23 stsp sizeof(struct got_imsg_commit_object));
556 bff6ca00 2018-04-23 stsp *commit = NULL;
558 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
560 bff6ca00 2018-04-23 stsp return err;
562 bff6ca00 2018-04-23 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
565 bff6ca00 2018-04-23 stsp switch (imsg.hdr.type) {
566 bff6ca00 2018-04-23 stsp case GOT_IMSG_COMMIT:
567 291624d8 2018-11-07 stsp if (datalen < sizeof(*icommit)) {
568 bff6ca00 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
571 291624d8 2018-11-07 stsp icommit = imsg.data;
572 291624d8 2018-11-07 stsp if (datalen != sizeof(*icommit) + icommit->author_len +
573 291624d8 2018-11-07 stsp icommit->committer_len +
574 291624d8 2018-11-07 stsp icommit->nparents * SHA1_DIGEST_LENGTH) {
575 bff6ca00 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
578 291624d8 2018-11-07 stsp if (icommit->nparents < 0) {
579 bff6ca00 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
582 291624d8 2018-11-07 stsp len += sizeof(*icommit);
584 bff6ca00 2018-04-23 stsp *commit = got_object_commit_alloc_partial();
585 bff6ca00 2018-04-23 stsp if (*commit == NULL) {
586 638f9024 2019-05-13 stsp err = got_error_from_errno(
587 230a42bd 2019-05-11 jcs "got_object_commit_alloc_partial");
591 291624d8 2018-11-07 stsp memcpy((*commit)->tree_id->sha1, icommit->tree_id,
592 86acc566 2018-04-23 stsp SHA1_DIGEST_LENGTH);
593 291624d8 2018-11-07 stsp (*commit)->author_time = icommit->author_time;
594 291624d8 2018-11-07 stsp (*commit)->author_gmtoff = icommit->author_gmtoff;
595 291624d8 2018-11-07 stsp (*commit)->committer_time = icommit->committer_time;
596 291624d8 2018-11-07 stsp (*commit)->committer_gmtoff = icommit->committer_gmtoff;
598 291624d8 2018-11-07 stsp if (icommit->author_len == 0) {
599 bff6ca00 2018-04-23 stsp (*commit)->author = strdup("");
600 bff6ca00 2018-04-23 stsp if ((*commit)->author == NULL) {
601 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
605 291624d8 2018-11-07 stsp (*commit)->author = malloc(icommit->author_len + 1);
606 bff6ca00 2018-04-23 stsp if ((*commit)->author == NULL) {
607 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
610 291624d8 2018-11-07 stsp memcpy((*commit)->author, imsg.data + len,
611 291624d8 2018-11-07 stsp icommit->author_len);
612 291624d8 2018-11-07 stsp (*commit)->author[icommit->author_len] = '\0';
614 291624d8 2018-11-07 stsp len += icommit->author_len;
616 291624d8 2018-11-07 stsp if (icommit->committer_len == 0) {
617 bff6ca00 2018-04-23 stsp (*commit)->committer = strdup("");
618 bff6ca00 2018-04-23 stsp if ((*commit)->committer == NULL) {
619 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
623 bff6ca00 2018-04-23 stsp (*commit)->committer =
624 291624d8 2018-11-07 stsp malloc(icommit->committer_len + 1);
625 bff6ca00 2018-04-23 stsp if ((*commit)->committer == NULL) {
626 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
629 291624d8 2018-11-07 stsp memcpy((*commit)->committer, imsg.data + len,
630 291624d8 2018-11-07 stsp icommit->committer_len);
631 291624d8 2018-11-07 stsp (*commit)->committer[icommit->committer_len] = '\0';
633 291624d8 2018-11-07 stsp len += icommit->committer_len;
635 291624d8 2018-11-07 stsp if (icommit->logmsg_len == 0) {
636 bff6ca00 2018-04-23 stsp (*commit)->logmsg = strdup("");
637 bff6ca00 2018-04-23 stsp if ((*commit)->logmsg == NULL) {
638 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
642 291624d8 2018-11-07 stsp size_t offset = 0, remain = icommit->logmsg_len;
644 291624d8 2018-11-07 stsp (*commit)->logmsg = malloc(icommit->logmsg_len + 1);
645 bff6ca00 2018-04-23 stsp if ((*commit)->logmsg == NULL) {
646 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
649 c75f7264 2018-09-11 stsp while (remain > 0) {
650 c75f7264 2018-09-11 stsp struct imsg imsg_log;
651 c75f7264 2018-09-11 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
654 c75f7264 2018-09-11 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
656 c75f7264 2018-09-11 stsp return err;
658 c75f7264 2018-09-11 stsp if (imsg_log.hdr.type != GOT_IMSG_COMMIT_LOGMSG)
659 c75f7264 2018-09-11 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
661 c75f7264 2018-09-11 stsp memcpy((*commit)->logmsg + offset,
662 c75f7264 2018-09-11 stsp imsg_log.data, n);
663 c75f7264 2018-09-11 stsp imsg_free(&imsg_log);
664 c75f7264 2018-09-11 stsp offset += n;
665 c75f7264 2018-09-11 stsp remain -= n;
667 291624d8 2018-11-07 stsp (*commit)->logmsg[icommit->logmsg_len] = '\0';
670 291624d8 2018-11-07 stsp for (i = 0; i < icommit->nparents; i++) {
671 79f35eb3 2018-06-11 stsp struct got_object_qid *qid;
673 5df4932d 2018-11-05 stsp err = got_object_qid_alloc_partial(&qid);
676 291624d8 2018-11-07 stsp memcpy(qid->id, imsg.data + len +
677 291624d8 2018-11-07 stsp i * SHA1_DIGEST_LENGTH, sizeof(*qid->id));
678 7762fe12 2018-11-05 stsp SIMPLEQ_INSERT_TAIL(&(*commit)->parent_ids, qid, entry);
679 7762fe12 2018-11-05 stsp (*commit)->nparents++;
683 8c580685 2018-04-22 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
687 2178c42e 2018-04-22 stsp imsg_free(&imsg);
689 e033d803 2018-04-23 stsp return err;
692 e033d803 2018-04-23 stsp const struct got_error *
693 068fd2bf 2018-04-24 stsp got_privsep_send_tree(struct imsgbuf *ibuf, struct got_tree_object *tree)
695 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
696 e033d803 2018-04-23 stsp struct got_imsg_tree_object itree;
697 e033d803 2018-04-23 stsp struct got_tree_entry *te;
698 b00c9821 2018-11-04 stsp size_t totlen;
699 6eb07a17 2018-11-04 stsp int nimsg; /* number of imsg queued in ibuf */
701 883f0469 2018-06-23 stsp itree.nentries = tree->entries.nentries;
702 e033d803 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_TREE, 0, 0, -1, &itree, sizeof(itree))
704 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose TREE");
706 b00c9821 2018-11-04 stsp totlen = sizeof(itree);
708 883f0469 2018-06-23 stsp SIMPLEQ_FOREACH(te, &tree->entries.head, entry) {
709 a58a49db 2018-11-07 stsp struct got_imsg_tree_entry *ite;
710 e033d803 2018-04-23 stsp uint8_t *buf = NULL;
711 a58a49db 2018-11-07 stsp size_t len = sizeof(*ite) + strlen(te->name);
713 e033d803 2018-04-23 stsp if (len > MAX_IMSGSIZE)
714 e033d803 2018-04-23 stsp return got_error(GOT_ERR_NO_SPACE);
717 6eb07a17 2018-11-04 stsp if (totlen + len >= MAX_IMSGSIZE - (IMSG_HEADER_SIZE * nimsg)) {
718 b00c9821 2018-11-04 stsp err = flush_imsg(ibuf);
720 b00c9821 2018-11-04 stsp return err;
724 e033d803 2018-04-23 stsp buf = malloc(len);
725 e033d803 2018-04-23 stsp if (buf == NULL)
726 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
728 a58a49db 2018-11-07 stsp ite = (struct got_imsg_tree_entry *)buf;
729 a58a49db 2018-11-07 stsp memcpy(ite->id, te->id->sha1, sizeof(ite->id));
730 a58a49db 2018-11-07 stsp ite->mode = te->mode;
731 a58a49db 2018-11-07 stsp memcpy(buf + sizeof(*ite), te->name, strlen(te->name));
733 e033d803 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_TREE_ENTRY, 0, 0, -1,
734 e033d803 2018-04-23 stsp buf, len) == -1)
735 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TREE_ENTRY");
738 e033d803 2018-04-23 stsp return err;
739 b00c9821 2018-11-04 stsp totlen += len;
742 b00c9821 2018-11-04 stsp return flush_imsg(ibuf);
745 e033d803 2018-04-23 stsp const struct got_error *
746 068fd2bf 2018-04-24 stsp got_privsep_recv_tree(struct got_tree_object **tree, struct imsgbuf *ibuf)
748 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
749 e033d803 2018-04-23 stsp const size_t min_datalen =
750 e033d803 2018-04-23 stsp MIN(sizeof(struct got_imsg_error),
751 e033d803 2018-04-23 stsp sizeof(struct got_imsg_tree_object));
752 291624d8 2018-11-07 stsp struct got_imsg_tree_object *itree;
753 e033d803 2018-04-23 stsp int nentries = 0;
755 e033d803 2018-04-23 stsp *tree = NULL;
757 e033d803 2018-04-23 stsp err = read_imsg(ibuf);
762 e033d803 2018-04-23 stsp struct imsg imsg;
764 e033d803 2018-04-23 stsp size_t datalen;
765 c0588d8d 2018-11-07 stsp struct got_imsg_tree_entry *ite;
766 e033d803 2018-04-23 stsp struct got_tree_entry *te = NULL;
768 e033d803 2018-04-23 stsp n = imsg_get(ibuf, &imsg);
769 e033d803 2018-04-23 stsp if (n == 0) {
770 883f0469 2018-06-23 stsp if (*tree && (*tree)->entries.nentries != nentries)
771 e033d803 2018-04-23 stsp goto get_more;
775 e033d803 2018-04-23 stsp if (imsg.hdr.len < IMSG_HEADER_SIZE + min_datalen)
776 e033d803 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
778 e033d803 2018-04-23 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
780 e033d803 2018-04-23 stsp switch (imsg.hdr.type) {
781 e033d803 2018-04-23 stsp case GOT_IMSG_ERROR:
782 e033d803 2018-04-23 stsp err = recv_imsg_error(&imsg, datalen);
784 e033d803 2018-04-23 stsp case GOT_IMSG_TREE:
785 e033d803 2018-04-23 stsp /* This message should only appear once. */
786 e033d803 2018-04-23 stsp if (*tree != NULL) {
787 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
790 291624d8 2018-11-07 stsp if (datalen != sizeof(*itree)) {
791 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
794 291624d8 2018-11-07 stsp itree = imsg.data;
795 c3b78ecc 2018-11-07 stsp *tree = malloc(sizeof(**tree));
796 e033d803 2018-04-23 stsp if (*tree == NULL) {
797 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
800 291624d8 2018-11-07 stsp (*tree)->entries.nentries = itree->nentries;
801 883f0469 2018-06-23 stsp SIMPLEQ_INIT(&(*tree)->entries.head);
802 c3b78ecc 2018-11-07 stsp (*tree)->refcnt = 0;
804 e033d803 2018-04-23 stsp case GOT_IMSG_TREE_ENTRY:
805 e033d803 2018-04-23 stsp /* This message should be preceeded by GOT_IMSG_TREE. */
806 e033d803 2018-04-23 stsp if (*tree == NULL) {
807 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
810 c0588d8d 2018-11-07 stsp if (datalen < sizeof(*ite) || datalen > MAX_IMSGSIZE) {
811 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
815 e033d803 2018-04-23 stsp /* Remaining data contains the entry's name. */
816 c0588d8d 2018-11-07 stsp datalen -= sizeof(*ite);
817 e033d803 2018-04-23 stsp if (datalen == 0 || datalen > MAX_IMSGSIZE) {
818 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
821 c0588d8d 2018-11-07 stsp ite = imsg.data;
823 e033d803 2018-04-23 stsp te = got_alloc_tree_entry_partial();
824 e033d803 2018-04-23 stsp if (te == NULL) {
825 638f9024 2019-05-13 stsp err = got_error_from_errno(
826 230a42bd 2019-05-11 jcs "got_alloc_tree_entry_partial");
829 e033d803 2018-04-23 stsp te->name = malloc(datalen + 1);
830 e033d803 2018-04-23 stsp if (te->name == NULL) {
832 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
835 c0588d8d 2018-11-07 stsp memcpy(te->name, imsg.data + sizeof(*ite), datalen);
836 e033d803 2018-04-23 stsp te->name[datalen] = '\0';
838 c0588d8d 2018-11-07 stsp memcpy(te->id->sha1, ite->id, SHA1_DIGEST_LENGTH);
839 c0588d8d 2018-11-07 stsp te->mode = ite->mode;
840 883f0469 2018-06-23 stsp SIMPLEQ_INSERT_TAIL(&(*tree)->entries.head, te, entry);
841 e033d803 2018-04-23 stsp nentries++;
844 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
848 e033d803 2018-04-23 stsp imsg_free(&imsg);
851 883f0469 2018-06-23 stsp if (*tree && (*tree)->entries.nentries != nentries) {
852 1e51f5b9 2018-04-23 stsp if (err == NULL)
853 1e51f5b9 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
854 e033d803 2018-04-23 stsp got_object_tree_close(*tree);
855 e033d803 2018-04-23 stsp *tree = NULL;
858 ff6b18f8 2018-04-24 stsp return err;
861 ff6b18f8 2018-04-24 stsp const struct got_error *
862 ac544f8c 2019-01-13 stsp got_privsep_send_blob(struct imsgbuf *ibuf, size_t size, size_t hdrlen,
863 ac544f8c 2019-01-13 stsp const uint8_t *data)
865 2967a784 2018-04-24 stsp struct got_imsg_blob iblob;
867 2967a784 2018-04-24 stsp iblob.size = size;
868 ebc55e2d 2018-12-24 stsp iblob.hdrlen = hdrlen;
870 ac544f8c 2019-01-13 stsp if (data) {
871 ac544f8c 2019-01-13 stsp uint8_t *buf;
873 ac544f8c 2019-01-13 stsp if (size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX)
874 ac544f8c 2019-01-13 stsp return got_error(GOT_ERR_NO_SPACE);
876 ac544f8c 2019-01-13 stsp buf = malloc(sizeof(iblob) + size);
877 ac544f8c 2019-01-13 stsp if (buf == NULL)
878 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
880 ac544f8c 2019-01-13 stsp memcpy(buf, &iblob, sizeof(iblob));
881 ac544f8c 2019-01-13 stsp memcpy(buf + sizeof(iblob), data, size);
882 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, buf,
883 ac544f8c 2019-01-13 stsp sizeof(iblob) + size) == -1) {
885 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
889 ac544f8c 2019-01-13 stsp /* Data has already been written to file descriptor. */
890 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, &iblob,
891 ac544f8c 2019-01-13 stsp sizeof(iblob)) == -1)
892 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
896 ff6b18f8 2018-04-24 stsp return flush_imsg(ibuf);
899 ff6b18f8 2018-04-24 stsp const struct got_error *
900 ac544f8c 2019-01-13 stsp got_privsep_recv_blob(uint8_t **outbuf, size_t *size, size_t *hdrlen,
901 ac544f8c 2019-01-13 stsp struct imsgbuf *ibuf)
903 ff6b18f8 2018-04-24 stsp const struct got_error *err = NULL;
904 ff6b18f8 2018-04-24 stsp struct imsg imsg;
905 291624d8 2018-11-07 stsp struct got_imsg_blob *iblob;
906 ff6b18f8 2018-04-24 stsp size_t datalen;
908 ac544f8c 2019-01-13 stsp *outbuf = NULL;
910 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
912 ff6b18f8 2018-04-24 stsp return err;
914 ff6b18f8 2018-04-24 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
916 ff6b18f8 2018-04-24 stsp switch (imsg.hdr.type) {
917 ff6b18f8 2018-04-24 stsp case GOT_IMSG_BLOB:
918 ac544f8c 2019-01-13 stsp if (datalen < sizeof(*iblob)) {
919 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
922 291624d8 2018-11-07 stsp iblob = imsg.data;
923 291624d8 2018-11-07 stsp *size = iblob->size;
924 ebc55e2d 2018-12-24 stsp *hdrlen = iblob->hdrlen;
926 ac544f8c 2019-01-13 stsp if (datalen == sizeof(*iblob)) {
927 ac544f8c 2019-01-13 stsp /* Data has been written to file descriptor. */
931 ac544f8c 2019-01-13 stsp if (*size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX) {
932 ac544f8c 2019-01-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
936 ac544f8c 2019-01-13 stsp *outbuf = malloc(*size);
937 ac544f8c 2019-01-13 stsp if (*outbuf == NULL) {
938 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
941 ac544f8c 2019-01-13 stsp memcpy(*outbuf, imsg.data + sizeof(*iblob), *size);
944 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
948 f4a881ce 2018-11-17 stsp imsg_free(&imsg);
950 f4a881ce 2018-11-17 stsp return err;
953 f4a881ce 2018-11-17 stsp static const struct got_error *
954 f4a881ce 2018-11-17 stsp send_tagmsg(struct imsgbuf *ibuf, struct got_tag_object *tag, size_t tagmsg_len)
956 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
957 f4a881ce 2018-11-17 stsp size_t offset, remain;
959 f4a881ce 2018-11-17 stsp offset = 0;
960 f4a881ce 2018-11-17 stsp remain = tagmsg_len;
961 f4a881ce 2018-11-17 stsp while (remain > 0) {
962 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
964 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_TAGMSG, 0, 0, -1,
965 f4a881ce 2018-11-17 stsp tag->tagmsg + offset, n) == -1) {
966 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG_TAGMSG");
970 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
974 f4a881ce 2018-11-17 stsp offset += n;
975 f4a881ce 2018-11-17 stsp remain -= n;
978 f4a881ce 2018-11-17 stsp return err;
981 f4a881ce 2018-11-17 stsp const struct got_error *
982 f4a881ce 2018-11-17 stsp got_privsep_send_tag(struct imsgbuf *ibuf, struct got_tag_object *tag)
984 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
985 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
986 f4a881ce 2018-11-17 stsp uint8_t *buf;
987 f4a881ce 2018-11-17 stsp size_t len, total;
988 f4a881ce 2018-11-17 stsp size_t tag_len = strlen(tag->tag);
989 f4a881ce 2018-11-17 stsp size_t tagger_len = strlen(tag->tagger);
990 f4a881ce 2018-11-17 stsp size_t tagmsg_len = strlen(tag->tagmsg);
992 f4a881ce 2018-11-17 stsp total = sizeof(*itag) + tag_len + tagger_len + tagmsg_len;
994 f4a881ce 2018-11-17 stsp buf = malloc(total);
995 f4a881ce 2018-11-17 stsp if (buf == NULL)
996 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
998 f4a881ce 2018-11-17 stsp itag = (struct got_imsg_tag_object *)buf;
999 f4a881ce 2018-11-17 stsp memcpy(itag->id, tag->id.sha1, sizeof(itag->id));
1000 f4a881ce 2018-11-17 stsp itag->obj_type = tag->obj_type;
1001 f4a881ce 2018-11-17 stsp itag->tag_len = tag_len;
1002 f4a881ce 2018-11-17 stsp itag->tagger_len = tagger_len;
1003 f4a881ce 2018-11-17 stsp itag->tagger_time = tag->tagger_time;
1004 f4a881ce 2018-11-17 stsp itag->tagger_gmtoff = tag->tagger_gmtoff;
1005 f4a881ce 2018-11-17 stsp itag->tagmsg_len = tagmsg_len;
1007 f4a881ce 2018-11-17 stsp len = sizeof(*itag);
1008 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tag, tag_len);
1009 f4a881ce 2018-11-17 stsp len += tag_len;
1010 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tagger, tagger_len);
1011 f4a881ce 2018-11-17 stsp len += tagger_len;
1013 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG, 0, 0, -1, buf, len) == -1) {
1014 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG");
1015 f4a881ce 2018-11-17 stsp goto done;
1018 f4a881ce 2018-11-17 stsp if (tagmsg_len == 0 ||
1019 f4a881ce 2018-11-17 stsp tagmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1020 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1022 f4a881ce 2018-11-17 stsp goto done;
1024 f4a881ce 2018-11-17 stsp err = send_tagmsg(ibuf, tag, tagmsg_len);
1026 f4a881ce 2018-11-17 stsp free(buf);
1027 f4a881ce 2018-11-17 stsp return err;
1030 f4a881ce 2018-11-17 stsp const struct got_error *
1031 f4a881ce 2018-11-17 stsp got_privsep_recv_tag(struct got_tag_object **tag, struct imsgbuf *ibuf)
1033 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1034 f4a881ce 2018-11-17 stsp struct imsg imsg;
1035 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1036 f4a881ce 2018-11-17 stsp size_t len, datalen;
1037 f4a881ce 2018-11-17 stsp const size_t min_datalen =
1038 f4a881ce 2018-11-17 stsp MIN(sizeof(struct got_imsg_error),
1039 f4a881ce 2018-11-17 stsp sizeof(struct got_imsg_tag_object));
1041 f4a881ce 2018-11-17 stsp *tag = NULL;
1043 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1045 f4a881ce 2018-11-17 stsp return err;
1047 f4a881ce 2018-11-17 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1050 f4a881ce 2018-11-17 stsp switch (imsg.hdr.type) {
1051 f4a881ce 2018-11-17 stsp case GOT_IMSG_TAG:
1052 f4a881ce 2018-11-17 stsp if (datalen < sizeof(*itag)) {
1053 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1056 f4a881ce 2018-11-17 stsp itag = imsg.data;
1057 f4a881ce 2018-11-17 stsp if (datalen != sizeof(*itag) + itag->tag_len +
1058 f4a881ce 2018-11-17 stsp itag->tagger_len) {
1059 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1062 f4a881ce 2018-11-17 stsp len += sizeof(*itag);
1064 f4a881ce 2018-11-17 stsp *tag = calloc(1, sizeof(**tag));
1065 f4a881ce 2018-11-17 stsp if (*tag == NULL) {
1066 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
1070 f4a881ce 2018-11-17 stsp memcpy((*tag)->id.sha1, itag->id, SHA1_DIGEST_LENGTH);
1072 f4a881ce 2018-11-17 stsp if (itag->tag_len == 0) {
1073 f4a881ce 2018-11-17 stsp (*tag)->tag = strdup("");
1074 f4a881ce 2018-11-17 stsp if ((*tag)->tag == NULL) {
1075 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1079 f4a881ce 2018-11-17 stsp (*tag)->tag = malloc(itag->tag_len + 1);
1080 f4a881ce 2018-11-17 stsp if ((*tag)->tag == NULL) {
1081 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1084 f4a881ce 2018-11-17 stsp memcpy((*tag)->tag, imsg.data + len,
1085 f4a881ce 2018-11-17 stsp itag->tag_len);
1086 f4a881ce 2018-11-17 stsp (*tag)->tag[itag->tag_len] = '\0';
1088 f4a881ce 2018-11-17 stsp len += itag->tag_len;
1090 f4a881ce 2018-11-17 stsp (*tag)->obj_type = itag->obj_type;
1091 f4a881ce 2018-11-17 stsp (*tag)->tagger_time = itag->tagger_time;
1092 f4a881ce 2018-11-17 stsp (*tag)->tagger_gmtoff = itag->tagger_gmtoff;
1094 f4a881ce 2018-11-17 stsp if (itag->tagger_len == 0) {
1095 f4a881ce 2018-11-17 stsp (*tag)->tagger = strdup("");
1096 f4a881ce 2018-11-17 stsp if ((*tag)->tagger == NULL) {
1097 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1101 f4a881ce 2018-11-17 stsp (*tag)->tagger = malloc(itag->tagger_len + 1);
1102 f4a881ce 2018-11-17 stsp if ((*tag)->tagger == NULL) {
1103 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1106 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagger, imsg.data + len,
1107 f4a881ce 2018-11-17 stsp itag->tagger_len);
1108 f4a881ce 2018-11-17 stsp (*tag)->tagger[itag->tagger_len] = '\0';
1110 f4a881ce 2018-11-17 stsp len += itag->tagger_len;
1112 f4a881ce 2018-11-17 stsp if (itag->tagmsg_len == 0) {
1113 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = strdup("");
1114 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1115 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1119 f4a881ce 2018-11-17 stsp size_t offset = 0, remain = itag->tagmsg_len;
1121 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = malloc(itag->tagmsg_len + 1);
1122 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1123 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1126 f4a881ce 2018-11-17 stsp while (remain > 0) {
1127 f4a881ce 2018-11-17 stsp struct imsg imsg_log;
1128 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1131 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1133 f4a881ce 2018-11-17 stsp return err;
1135 f4a881ce 2018-11-17 stsp if (imsg_log.hdr.type != GOT_IMSG_TAG_TAGMSG)
1136 f4a881ce 2018-11-17 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
1138 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagmsg + offset, imsg_log.data,
1140 f4a881ce 2018-11-17 stsp imsg_free(&imsg_log);
1141 f4a881ce 2018-11-17 stsp offset += n;
1142 f4a881ce 2018-11-17 stsp remain -= n;
1144 f4a881ce 2018-11-17 stsp (*tag)->tagmsg[itag->tagmsg_len] = '\0';
1149 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1153 ff6b18f8 2018-04-24 stsp imsg_free(&imsg);
1155 2178c42e 2018-04-22 stsp return err;
1158 876c234b 2018-09-10 stsp const struct got_error *
1159 876c234b 2018-09-10 stsp got_privsep_init_pack_child(struct imsgbuf *ibuf, struct got_pack *pack,
1160 876c234b 2018-09-10 stsp struct got_packidx *packidx)
1162 41496140 2019-02-21 stsp const struct got_error *err = NULL;
1163 876c234b 2018-09-10 stsp struct got_imsg_packidx ipackidx;
1164 876c234b 2018-09-10 stsp struct got_imsg_pack ipack;
1167 876c234b 2018-09-10 stsp ipackidx.len = packidx->len;
1168 876c234b 2018-09-10 stsp fd = dup(packidx->fd);
1169 876c234b 2018-09-10 stsp if (fd == -1)
1170 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1172 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKIDX, 0, 0, fd, &ipackidx,
1173 41496140 2019-02-21 stsp sizeof(ipackidx)) == -1) {
1174 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACKIDX");
1175 41496140 2019-02-21 stsp close(fd);
1176 41496140 2019-02-21 stsp return err;
1179 876c234b 2018-09-10 stsp if (strlcpy(ipack.path_packfile, pack->path_packfile,
1180 876c234b 2018-09-10 stsp sizeof(ipack.path_packfile)) >= sizeof(ipack.path_packfile))
1181 876c234b 2018-09-10 stsp return got_error(GOT_ERR_NO_SPACE);
1182 876c234b 2018-09-10 stsp ipack.filesize = pack->filesize;
1184 876c234b 2018-09-10 stsp fd = dup(pack->fd);
1185 876c234b 2018-09-10 stsp if (fd == -1)
1186 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1188 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACK, 0, 0, fd, &ipack, sizeof(ipack))
1190 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACK");
1191 41496140 2019-02-21 stsp close(fd);
1192 41496140 2019-02-21 stsp return err;
1195 876c234b 2018-09-10 stsp return flush_imsg(ibuf);
1198 876c234b 2018-09-10 stsp const struct got_error *
1199 106807b4 2018-09-15 stsp got_privsep_send_packed_obj_req(struct imsgbuf *ibuf, int idx,
1200 106807b4 2018-09-15 stsp struct got_object_id *id)
1202 876c234b 2018-09-10 stsp struct got_imsg_packed_object iobj;
1204 876c234b 2018-09-10 stsp iobj.idx = idx;
1205 106807b4 2018-09-15 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
1207 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_OBJECT_REQUEST, 0, 0, -1,
1208 876c234b 2018-09-10 stsp &iobj, sizeof(iobj)) == -1)
1209 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose "
1210 230a42bd 2019-05-11 jcs "PACKED_OBJECT_REQUEST");
1212 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1215 aba9c984 2019-09-08 stsp const struct got_error *
1216 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_parse_req(struct imsgbuf *ibuf, int fd)
1218 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
1220 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_PARSE_REQUEST, 0, 0, fd,
1221 aba9c984 2019-09-08 stsp NULL, 0) == -1) {
1222 aba9c984 2019-09-08 stsp err = got_error_from_errno("imsg_compose "
1223 aba9c984 2019-09-08 stsp "GITCONFIG_PARSE_REQUEST");
1224 aba9c984 2019-09-08 stsp close(fd);
1225 aba9c984 2019-09-08 stsp return err;
1228 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1231 aba9c984 2019-09-08 stsp const struct got_error *
1232 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_repository_format_version_req(struct imsgbuf *ibuf)
1234 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
1235 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST, 0, 0, -1,
1236 aba9c984 2019-09-08 stsp NULL, 0) == -1)
1237 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
1238 aba9c984 2019-09-08 stsp "GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST");
1240 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1243 aba9c984 2019-09-08 stsp const struct got_error *
1244 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_name_req(struct imsgbuf *ibuf)
1246 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
1247 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_NAME_REQUEST, 0, 0, -1, NULL, 0) == -1)
1248 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
1249 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_NAME_REQUEST");
1251 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1254 aba9c984 2019-09-08 stsp const struct got_error *
1255 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_email_req(struct imsgbuf *ibuf)
1257 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
1258 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_EMAIL_REQUEST, 0, 0, -1, NULL, 0) == -1)
1259 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
1260 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_EMAIL_REQUEST");
1262 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1265 aba9c984 2019-09-08 stsp const struct got_error *
1266 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_str(struct imsgbuf *ibuf, const char *value)
1268 aba9c984 2019-09-08 stsp size_t len = value ? strlen(value) + 1 : 0;
1270 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_STR_VAL, 0, 0, -1,
1271 aba9c984 2019-09-08 stsp value, len) == -1)
1272 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose GITCONFIG_STR_VAL");
1274 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1277 aba9c984 2019-09-08 stsp const struct got_error *
1278 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_str(char **str, struct imsgbuf *ibuf)
1280 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
1281 aba9c984 2019-09-08 stsp struct imsg imsg;
1282 aba9c984 2019-09-08 stsp size_t datalen;
1283 aba9c984 2019-09-08 stsp const size_t min_datalen = 0;
1285 aba9c984 2019-09-08 stsp *str = NULL;
1287 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1289 aba9c984 2019-09-08 stsp return err;
1290 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1292 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
1293 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_STR_VAL:
1294 aba9c984 2019-09-08 stsp if (datalen == 0)
1296 aba9c984 2019-09-08 stsp *str = malloc(datalen);
1297 aba9c984 2019-09-08 stsp if (*str == NULL) {
1298 aba9c984 2019-09-08 stsp err = got_error_from_errno("malloc");
1301 aba9c984 2019-09-08 stsp if (strlcpy(*str, imsg.data, datalen) >= datalen)
1302 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_NO_SPACE);
1305 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1309 aba9c984 2019-09-08 stsp imsg_free(&imsg);
1310 aba9c984 2019-09-08 stsp return err;
1313 aba9c984 2019-09-08 stsp const struct got_error *
1314 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_int(struct imsgbuf *ibuf, int value)
1316 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_INT_VAL, 0, 0, -1,
1317 aba9c984 2019-09-08 stsp &value, sizeof(value)) == -1)
1318 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose GITCONFIG_INT_VAL");
1320 876c234b 2018-09-10 stsp return flush_imsg(ibuf);
1323 63219cd2 2019-01-04 stsp const struct got_error *
1324 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_int(int *val, struct imsgbuf *ibuf)
1326 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
1327 aba9c984 2019-09-08 stsp struct imsg imsg;
1328 aba9c984 2019-09-08 stsp size_t datalen;
1329 aba9c984 2019-09-08 stsp const size_t min_datalen =
1330 aba9c984 2019-09-08 stsp MIN(sizeof(struct got_imsg_error), sizeof(int));
1334 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1336 aba9c984 2019-09-08 stsp return err;
1337 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1339 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
1340 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_INT_VAL:
1341 aba9c984 2019-09-08 stsp if (datalen != sizeof(*val)) {
1342 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1345 aba9c984 2019-09-08 stsp memcpy(val, imsg.data, sizeof(*val));
1348 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1352 aba9c984 2019-09-08 stsp imsg_free(&imsg);
1353 aba9c984 2019-09-08 stsp return err;
1356 aba9c984 2019-09-08 stsp const struct got_error *
1357 63219cd2 2019-01-04 stsp got_privsep_unveil_exec_helpers(void)
1359 c39c25dd 2019-08-09 stsp const char *helpers[] = {
1360 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_PACK,
1361 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_OBJECT,
1362 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_COMMIT,
1363 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TREE,
1364 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_BLOB,
1365 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TAG,
1366 aba9c984 2019-09-08 stsp GOT_PATH_PROG_READ_GITCONFIG,
1370 c39c25dd 2019-08-09 stsp for (i = 0; i < nitems(helpers); i++) {
1371 c39c25dd 2019-08-09 stsp if (unveil(helpers[i], "x") == 0)
1373 c39c25dd 2019-08-09 stsp return got_error_from_errno2("unveil", helpers[i]);
1376 63219cd2 2019-01-04 stsp return NULL;
1380 aba9c984 2019-09-08 stsp got_privsep_exec_child(int imsg_fds[2], const char *path, const char *repo_path)
1382 aba9c984 2019-09-08 stsp if (close(imsg_fds[0]) != 0) {
1383 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
1387 aba9c984 2019-09-08 stsp if (dup2(imsg_fds[1], GOT_IMSG_FD_CHILD) == -1) {
1388 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
1391 aba9c984 2019-09-08 stsp if (closefrom(GOT_IMSG_FD_CHILD + 1) == -1) {
1392 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
1396 aba9c984 2019-09-08 stsp if (execl(path, path, repo_path, (char *)NULL) == -1) {
1397 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s: %s\n", getprogname(), path,
1398 aba9c984 2019-09-08 stsp strerror(errno));