2 2178c42e 2018-04-22 stsp * Copyright (c) 2018 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 2178c42e 2018-04-22 stsp static const struct got_error *
50 2178c42e 2018-04-22 stsp poll_fd(int fd, int events, int timeout)
52 2178c42e 2018-04-22 stsp struct pollfd pfd[1];
55 2178c42e 2018-04-22 stsp pfd[0].fd = fd;
56 2178c42e 2018-04-22 stsp pfd[0].events = events;
58 2178c42e 2018-04-22 stsp n = poll(pfd, 1, timeout);
59 2178c42e 2018-04-22 stsp if (n == -1)
60 2178c42e 2018-04-22 stsp return got_error_from_errno();
62 2178c42e 2018-04-22 stsp return got_error(GOT_ERR_TIMEOUT);
63 2178c42e 2018-04-22 stsp if (pfd[0].revents & (POLLERR | POLLNVAL))
64 2178c42e 2018-04-22 stsp return got_error_from_errno();
65 2178c42e 2018-04-22 stsp if (pfd[0].revents & (events | POLLHUP))
66 2178c42e 2018-04-22 stsp return NULL;
68 2178c42e 2018-04-22 stsp return got_error(GOT_ERR_INTERRUPT);
71 c4eae628 2018-04-23 stsp static const struct got_error *
72 e033d803 2018-04-23 stsp read_imsg(struct imsgbuf *ibuf)
74 fe36cf76 2018-04-23 stsp const struct got_error *err;
77 fe36cf76 2018-04-23 stsp err = poll_fd(ibuf->fd, POLLIN, INFTIM);
81 fe36cf76 2018-04-23 stsp n = imsg_read(ibuf);
82 fe36cf76 2018-04-23 stsp if (n == -1) {
83 fe36cf76 2018-04-23 stsp if (errno == EAGAIN) /* Could be a file-descriptor leak. */
84 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_NO_FD);
85 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_READ);
88 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_PIPE);
90 e033d803 2018-04-23 stsp return NULL;
93 ad242220 2018-09-08 stsp const struct got_error *
94 876c234b 2018-09-10 stsp got_privsep_wait_for_child(pid_t pid)
96 876c234b 2018-09-10 stsp int child_status;
98 876c234b 2018-09-10 stsp waitpid(pid, &child_status, 0);
100 876c234b 2018-09-10 stsp if (!WIFEXITED(child_status))
101 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_DIED);
103 876c234b 2018-09-10 stsp if (WEXITSTATUS(child_status) != 0)
104 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_EXIT);
106 876c234b 2018-09-10 stsp return NULL;
109 876c234b 2018-09-10 stsp const struct got_error *
110 ad242220 2018-09-08 stsp got_privsep_recv_imsg(struct imsg *imsg, struct imsgbuf *ibuf, size_t min_datalen)
112 e033d803 2018-04-23 stsp const struct got_error *err;
115 e033d803 2018-04-23 stsp n = imsg_get(ibuf, imsg);
116 876c234b 2018-09-10 stsp if (n == -1)
117 876c234b 2018-09-10 stsp return got_error_from_errno();
119 876c234b 2018-09-10 stsp while (n == 0) {
120 876c234b 2018-09-10 stsp err = read_imsg(ibuf);
122 876c234b 2018-09-10 stsp return err;
123 876c234b 2018-09-10 stsp n = imsg_get(ibuf, imsg);
126 fe36cf76 2018-04-23 stsp if (imsg->hdr.len < IMSG_HEADER_SIZE + min_datalen)
127 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
129 fe36cf76 2018-04-23 stsp return NULL;
132 fe36cf76 2018-04-23 stsp static const struct got_error *
133 c4eae628 2018-04-23 stsp recv_imsg_error(struct imsg *imsg, size_t datalen)
135 c4eae628 2018-04-23 stsp struct got_imsg_error ierr;
137 c4eae628 2018-04-23 stsp if (datalen != sizeof(ierr))
138 c4eae628 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
140 c4eae628 2018-04-23 stsp memcpy(&ierr, imsg->data, sizeof(ierr));
141 c4eae628 2018-04-23 stsp if (ierr.code == GOT_ERR_ERRNO) {
142 c4eae628 2018-04-23 stsp static struct got_error serr;
143 c4eae628 2018-04-23 stsp serr.code = GOT_ERR_ERRNO;
144 c4eae628 2018-04-23 stsp serr.msg = strerror(ierr.errno_code);
145 c4eae628 2018-04-23 stsp return &serr;
148 c4eae628 2018-04-23 stsp return got_error(ierr.code);
151 2178c42e 2018-04-22 stsp /* Attempt to send an error in an imsg. Complain on stderr as a last resort. */
153 2178c42e 2018-04-22 stsp got_privsep_send_error(struct imsgbuf *ibuf, const struct got_error *err)
155 2178c42e 2018-04-22 stsp const struct got_error *poll_err;
156 2178c42e 2018-04-22 stsp struct got_imsg_error ierr;
159 2178c42e 2018-04-22 stsp ierr.code = err->code;
160 2178c42e 2018-04-22 stsp if (err->code == GOT_ERR_ERRNO)
161 2178c42e 2018-04-22 stsp ierr.errno_code = errno;
163 2178c42e 2018-04-22 stsp ierr.errno_code = 0;
164 2178c42e 2018-04-22 stsp ret = imsg_compose(ibuf, GOT_IMSG_ERROR, 0, 0, -1, &ierr, sizeof(ierr));
165 2178c42e 2018-04-22 stsp if (ret != -1) {
166 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_compose: %s\n",
167 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
171 2178c42e 2018-04-22 stsp poll_err = poll_fd(ibuf->fd, POLLOUT, INFTIM);
172 5d43e84d 2018-04-23 stsp if (poll_err) {
173 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": poll: %s\n",
174 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, poll_err->msg);
178 2178c42e 2018-04-22 stsp ret = imsg_flush(ibuf);
179 5d43e84d 2018-04-23 stsp if (ret == -1) {
180 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_flush: %s\n",
181 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
186 e033d803 2018-04-23 stsp static const struct got_error *
187 e033d803 2018-04-23 stsp flush_imsg(struct imsgbuf *ibuf)
189 e033d803 2018-04-23 stsp const struct got_error *err;
191 e033d803 2018-04-23 stsp err = poll_fd(ibuf->fd, POLLOUT, INFTIM);
193 e033d803 2018-04-23 stsp return err;
195 e033d803 2018-04-23 stsp if (imsg_flush(ibuf) == -1)
196 e033d803 2018-04-23 stsp return got_error_from_errno();
198 e033d803 2018-04-23 stsp return NULL;
201 ad242220 2018-09-08 stsp const struct got_error *
202 ad242220 2018-09-08 stsp got_privsep_send_stop(int fd)
204 ad242220 2018-09-08 stsp const struct got_error *err = NULL;
205 ad242220 2018-09-08 stsp struct imsgbuf ibuf;
207 ad242220 2018-09-08 stsp imsg_init(&ibuf, fd);
209 ad242220 2018-09-08 stsp if (imsg_compose(&ibuf, GOT_IMSG_STOP, 0, 0, -1, NULL, 0) == -1)
210 ad242220 2018-09-08 stsp return got_error_from_errno();
212 ad242220 2018-09-08 stsp err = flush_imsg(&ibuf);
213 ad242220 2018-09-08 stsp imsg_clear(&ibuf);
214 ad242220 2018-09-08 stsp return err;
217 7762fe12 2018-11-05 stsp static void
218 7762fe12 2018-11-05 stsp init_imsg_object(struct got_imsg_object *iobj, struct got_object *obj)
220 7762fe12 2018-11-05 stsp memcpy(iobj->id, obj->id.sha1, sizeof(iobj->id));
221 7762fe12 2018-11-05 stsp iobj->type = obj->type;
222 7762fe12 2018-11-05 stsp iobj->flags = obj->flags;
223 7762fe12 2018-11-05 stsp iobj->hdrlen = obj->hdrlen;
224 7762fe12 2018-11-05 stsp iobj->size = obj->size;
225 7762fe12 2018-11-05 stsp if (iobj->flags & GOT_OBJ_FLAG_PACKED) {
226 7762fe12 2018-11-05 stsp iobj->pack_offset = obj->pack_offset;
227 7762fe12 2018-11-05 stsp iobj->pack_idx = obj->pack_idx;
231 ad242220 2018-09-08 stsp const struct got_error *
232 ad242220 2018-09-08 stsp got_privsep_send_obj_req(struct imsgbuf *ibuf, int fd, struct got_object *obj)
234 ad242220 2018-09-08 stsp struct got_imsg_object iobj, *iobjp = NULL;
235 ad242220 2018-09-08 stsp size_t iobj_size = 0;
236 ad242220 2018-09-08 stsp int imsg_code = GOT_IMSG_OBJECT_REQUEST;
239 ad242220 2018-09-08 stsp switch (obj->type) {
240 ad242220 2018-09-08 stsp case GOT_OBJ_TYPE_TREE:
241 ad242220 2018-09-08 stsp imsg_code = GOT_IMSG_TREE_REQUEST;
243 ad242220 2018-09-08 stsp case GOT_OBJ_TYPE_COMMIT:
244 ad242220 2018-09-08 stsp imsg_code = GOT_IMSG_COMMIT_REQUEST;
246 55da3778 2018-09-10 stsp case GOT_OBJ_TYPE_BLOB:
247 55da3778 2018-09-10 stsp imsg_code = GOT_IMSG_BLOB_REQUEST;
250 ad242220 2018-09-08 stsp return got_error(GOT_ERR_OBJ_TYPE);
253 7762fe12 2018-11-05 stsp init_imsg_object(&iobj, obj);
255 ad242220 2018-09-08 stsp iobjp = &iobj;
256 ad242220 2018-09-08 stsp iobj_size = sizeof(iobj);
259 ad242220 2018-09-08 stsp if (imsg_compose(ibuf, imsg_code, 0, 0, fd, iobjp, iobj_size) == -1)
260 ad242220 2018-09-08 stsp return got_error_from_errno();
262 c59b3346 2018-09-11 stsp return flush_imsg(ibuf);
265 2178c42e 2018-04-22 stsp const struct got_error *
266 7762fe12 2018-11-05 stsp got_privsep_send_mini_commit_req(struct imsgbuf *ibuf, int fd,
267 7762fe12 2018-11-05 stsp struct got_object *obj)
269 7762fe12 2018-11-05 stsp struct got_imsg_object iobj, *iobjp;
270 7762fe12 2018-11-05 stsp size_t iobj_size;
272 7762fe12 2018-11-05 stsp if (obj->type != GOT_OBJ_TYPE_COMMIT)
273 7762fe12 2018-11-05 stsp return got_error(GOT_ERR_OBJ_TYPE);
275 7762fe12 2018-11-05 stsp init_imsg_object(&iobj, obj);
277 7762fe12 2018-11-05 stsp iobjp = &iobj;
278 7762fe12 2018-11-05 stsp iobj_size = sizeof(iobj);
280 7762fe12 2018-11-05 stsp if (imsg_compose(ibuf, GOT_IMSG_MINI_COMMIT_REQUEST, 0, 0, fd,
281 7762fe12 2018-11-05 stsp iobjp, iobj_size) == -1)
282 7762fe12 2018-11-05 stsp return got_error_from_errno();
284 7762fe12 2018-11-05 stsp return flush_imsg(ibuf);
287 7762fe12 2018-11-05 stsp const struct got_error *
288 55da3778 2018-09-10 stsp got_privsep_send_blob_req(struct imsgbuf *ibuf, int infd)
290 ad242220 2018-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_REQUEST, 0, 0, infd, NULL, 0)
292 ad242220 2018-09-08 stsp return got_error_from_errno();
294 55da3778 2018-09-10 stsp return flush_imsg(ibuf);
297 55da3778 2018-09-10 stsp const struct got_error *
298 55da3778 2018-09-10 stsp got_privsep_send_blob_outfd(struct imsgbuf *ibuf, int outfd)
300 ad242220 2018-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_OUTFD, 0, 0, outfd, NULL, 0)
302 3840f4c9 2018-09-12 stsp return got_error_from_errno();
304 3840f4c9 2018-09-12 stsp return flush_imsg(ibuf);
307 3840f4c9 2018-09-12 stsp const struct got_error *
308 3840f4c9 2018-09-12 stsp got_privsep_send_tmpfd(struct imsgbuf *ibuf, int fd)
310 3840f4c9 2018-09-12 stsp if (imsg_compose(ibuf, GOT_IMSG_TMPFD, 0, 0, fd, NULL, 0)
312 ad242220 2018-09-08 stsp return got_error_from_errno();
314 ad242220 2018-09-08 stsp return flush_imsg(ibuf);
317 ad242220 2018-09-08 stsp const struct got_error *
318 876c234b 2018-09-10 stsp got_privsep_send_obj(struct imsgbuf *ibuf, struct got_object *obj)
320 2178c42e 2018-04-22 stsp struct got_imsg_object iobj;
322 c59b3346 2018-09-11 stsp memcpy(iobj.id, obj->id.sha1, sizeof(iobj.id));
323 2178c42e 2018-04-22 stsp iobj.type = obj->type;
324 2178c42e 2018-04-22 stsp iobj.flags = obj->flags;
325 2178c42e 2018-04-22 stsp iobj.hdrlen = obj->hdrlen;
326 2178c42e 2018-04-22 stsp iobj.size = obj->size;
327 c59b3346 2018-09-11 stsp if (iobj.flags & GOT_OBJ_FLAG_PACKED) {
328 876c234b 2018-09-10 stsp iobj.pack_offset = obj->pack_offset;
329 c59b3346 2018-09-11 stsp iobj.pack_idx = obj->pack_idx;
332 2178c42e 2018-04-22 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT, 0, 0, -1, &iobj, sizeof(iobj))
334 2178c42e 2018-04-22 stsp return got_error_from_errno();
336 c59b3346 2018-09-11 stsp return flush_imsg(ibuf);
339 cfd633c2 2018-09-10 stsp const struct got_error *
340 cfd633c2 2018-09-10 stsp got_privsep_get_imsg_obj(struct got_object **obj, struct imsg *imsg,
341 cfd633c2 2018-09-10 stsp struct imsgbuf *ibuf)
343 cfd633c2 2018-09-10 stsp const struct got_error *err = NULL;
344 cfd633c2 2018-09-10 stsp struct got_imsg_object iobj;
345 cfd633c2 2018-09-10 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
347 cfd633c2 2018-09-10 stsp if (datalen != sizeof(iobj))
348 cfd633c2 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
350 cfd633c2 2018-09-10 stsp memcpy(&iobj, imsg->data, sizeof(iobj));
352 cfd633c2 2018-09-10 stsp *obj = calloc(1, sizeof(**obj));
353 cfd633c2 2018-09-10 stsp if (*obj == NULL)
354 cfd633c2 2018-09-10 stsp return got_error_from_errno();
356 c59b3346 2018-09-11 stsp memcpy((*obj)->id.sha1, iobj.id, SHA1_DIGEST_LENGTH);
357 cfd633c2 2018-09-10 stsp (*obj)->type = iobj.type;
358 cfd633c2 2018-09-10 stsp (*obj)->flags = iobj.flags;
359 cfd633c2 2018-09-10 stsp (*obj)->hdrlen = iobj.hdrlen;
360 cfd633c2 2018-09-10 stsp (*obj)->size = iobj.size;
361 c59b3346 2018-09-11 stsp /* path_packfile is handled by caller */
362 c59b3346 2018-09-11 stsp if (iobj.flags & GOT_OBJ_FLAG_PACKED) {
363 c59b3346 2018-09-11 stsp (*obj)->pack_offset = iobj.pack_offset;
364 c59b3346 2018-09-11 stsp (*obj)->pack_idx = iobj.pack_idx;
367 876c234b 2018-09-10 stsp return err;
370 2178c42e 2018-04-22 stsp const struct got_error *
371 2178c42e 2018-04-22 stsp got_privsep_recv_obj(struct got_object **obj, struct imsgbuf *ibuf)
373 2178c42e 2018-04-22 stsp const struct got_error *err = NULL;
374 2178c42e 2018-04-22 stsp struct imsg imsg;
375 2178c42e 2018-04-22 stsp size_t datalen;
376 c4eae628 2018-04-23 stsp const size_t min_datalen =
377 c4eae628 2018-04-23 stsp MIN(sizeof(struct got_imsg_error), sizeof(struct got_imsg_object));
379 2178c42e 2018-04-22 stsp *obj = NULL;
381 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
383 2178c42e 2018-04-22 stsp return err;
385 2178c42e 2018-04-22 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
387 2178c42e 2018-04-22 stsp switch (imsg.hdr.type) {
388 2178c42e 2018-04-22 stsp case GOT_IMSG_ERROR:
389 c4eae628 2018-04-23 stsp err = recv_imsg_error(&imsg, datalen);
391 2178c42e 2018-04-22 stsp case GOT_IMSG_OBJECT:
392 cfd633c2 2018-09-10 stsp err = got_privsep_get_imsg_obj(obj, &imsg, ibuf);
395 bff6ca00 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
399 bff6ca00 2018-04-23 stsp imsg_free(&imsg);
401 bff6ca00 2018-04-23 stsp return err;
404 c75f7264 2018-09-11 stsp static const struct got_error *
405 c75f7264 2018-09-11 stsp send_commit_logmsg(struct imsgbuf *ibuf, struct got_commit_object *commit,
406 c75f7264 2018-09-11 stsp size_t logmsg_len)
408 fa4ffeb3 2018-11-04 stsp const struct got_error *err = NULL;
409 c75f7264 2018-09-11 stsp size_t offset, remain;
411 c75f7264 2018-09-11 stsp offset = 0;
412 c75f7264 2018-09-11 stsp remain = logmsg_len;
413 c75f7264 2018-09-11 stsp while (remain > 0) {
414 c75f7264 2018-09-11 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
416 c75f7264 2018-09-11 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_LOGMSG, 0, 0, -1,
417 fa4ffeb3 2018-11-04 stsp commit->logmsg + offset, n) == -1) {
418 fa4ffeb3 2018-11-04 stsp err = got_error_from_errno();
422 fa4ffeb3 2018-11-04 stsp err = flush_imsg(ibuf);
426 c75f7264 2018-09-11 stsp offset += n;
427 c75f7264 2018-09-11 stsp remain -= n;
430 fa4ffeb3 2018-11-04 stsp return err;
433 bff6ca00 2018-04-23 stsp const struct got_error *
434 068fd2bf 2018-04-24 stsp got_privsep_send_commit(struct imsgbuf *ibuf, struct got_commit_object *commit)
436 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
437 bff6ca00 2018-04-23 stsp struct got_imsg_commit_object icommit;
438 bff6ca00 2018-04-23 stsp uint8_t *buf;
439 bff6ca00 2018-04-23 stsp size_t len, total;
440 79f35eb3 2018-06-11 stsp struct got_object_qid *qid;
441 c75f7264 2018-09-11 stsp size_t logmsg_len = strlen(commit->logmsg);
443 86acc566 2018-04-23 stsp memcpy(icommit.tree_id, commit->tree_id->sha1, sizeof(icommit.tree_id));
444 bff6ca00 2018-04-23 stsp icommit.author_len = strlen(commit->author);
445 788c352e 2018-06-16 stsp memcpy(&icommit.tm_author, &commit->tm_author,
446 788c352e 2018-06-16 stsp sizeof(icommit.tm_author));
447 bff6ca00 2018-04-23 stsp icommit.committer_len = strlen(commit->committer);
448 788c352e 2018-06-16 stsp memcpy(&icommit.tm_committer, &commit->tm_committer,
449 788c352e 2018-06-16 stsp sizeof(icommit.tm_committer));
450 c75f7264 2018-09-11 stsp icommit.logmsg_len = logmsg_len;
451 bff6ca00 2018-04-23 stsp icommit.nparents = commit->nparents;
453 bff6ca00 2018-04-23 stsp total = sizeof(icommit) + icommit.author_len +
454 c75f7264 2018-09-11 stsp icommit.committer_len + icommit.nparents * SHA1_DIGEST_LENGTH;
456 bff6ca00 2018-04-23 stsp buf = malloc(total);
457 bff6ca00 2018-04-23 stsp if (buf == NULL)
458 bff6ca00 2018-04-23 stsp return got_error_from_errno();
461 bff6ca00 2018-04-23 stsp memcpy(buf + len, &icommit, sizeof(icommit));
462 bff6ca00 2018-04-23 stsp len += sizeof(icommit);
463 bff6ca00 2018-04-23 stsp memcpy(buf + len, commit->author, icommit.author_len);
464 bff6ca00 2018-04-23 stsp len += icommit.author_len;
465 bff6ca00 2018-04-23 stsp memcpy(buf + len, commit->committer, icommit.committer_len);
466 bff6ca00 2018-04-23 stsp len += icommit.committer_len;
467 79f35eb3 2018-06-11 stsp SIMPLEQ_FOREACH(qid, &commit->parent_ids, entry) {
468 79f35eb3 2018-06-11 stsp memcpy(buf + len, qid->id, SHA1_DIGEST_LENGTH);
469 86acc566 2018-04-23 stsp len += SHA1_DIGEST_LENGTH;
472 bff6ca00 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT, 0, 0, -1, buf, len) == -1) {
473 bff6ca00 2018-04-23 stsp err = got_error_from_errno();
477 904df868 2018-11-04 stsp if (logmsg_len == 0 ||
478 904df868 2018-11-04 stsp logmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
479 904df868 2018-11-04 stsp err = flush_imsg(ibuf);
483 c75f7264 2018-09-11 stsp err = send_commit_logmsg(ibuf, commit, logmsg_len);
486 bff6ca00 2018-04-23 stsp return err;
489 7762fe12 2018-11-05 stsp const struct got_error *
490 7762fe12 2018-11-05 stsp got_privsep_send_mini_commit(struct imsgbuf *ibuf,
491 7762fe12 2018-11-05 stsp struct got_commit_object_mini *commit)
493 7762fe12 2018-11-05 stsp const struct got_error *err = NULL;
494 7762fe12 2018-11-05 stsp struct got_imsg_commit_object_mini icommit;
495 7762fe12 2018-11-05 stsp uint8_t *buf;
496 7762fe12 2018-11-05 stsp size_t len, total;
497 7762fe12 2018-11-05 stsp struct got_object_qid *qid;
499 7762fe12 2018-11-05 stsp memcpy(icommit.tree_id, commit->tree_id->sha1, sizeof(icommit.tree_id));
500 7762fe12 2018-11-05 stsp memcpy(&icommit.tm_committer, &commit->tm_committer,
501 7762fe12 2018-11-05 stsp sizeof(icommit.tm_committer));
502 7762fe12 2018-11-05 stsp icommit.nparents = commit->nparents;
504 7762fe12 2018-11-05 stsp total = sizeof(icommit) + icommit.nparents * SHA1_DIGEST_LENGTH;
506 7762fe12 2018-11-05 stsp buf = malloc(total);
507 7762fe12 2018-11-05 stsp if (buf == NULL)
508 7762fe12 2018-11-05 stsp return got_error_from_errno();
511 7762fe12 2018-11-05 stsp memcpy(buf + len, &icommit, sizeof(icommit));
512 7762fe12 2018-11-05 stsp len += sizeof(icommit);
513 7762fe12 2018-11-05 stsp SIMPLEQ_FOREACH(qid, &commit->parent_ids, entry) {
514 7762fe12 2018-11-05 stsp memcpy(buf + len, qid->id, SHA1_DIGEST_LENGTH);
515 7762fe12 2018-11-05 stsp len += SHA1_DIGEST_LENGTH;
518 7762fe12 2018-11-05 stsp if (imsg_compose(ibuf, GOT_IMSG_MINI_COMMIT, 0, 0, -1,
519 7762fe12 2018-11-05 stsp buf, len) == -1) {
520 7762fe12 2018-11-05 stsp err = got_error_from_errno();
525 7762fe12 2018-11-05 stsp return err;
526 7762fe12 2018-11-05 stsp return flush_imsg(ibuf);
529 bff6ca00 2018-04-23 stsp const struct got_error *
530 068fd2bf 2018-04-24 stsp got_privsep_recv_commit(struct got_commit_object **commit, struct imsgbuf *ibuf)
532 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
533 bff6ca00 2018-04-23 stsp struct imsg imsg;
534 bff6ca00 2018-04-23 stsp struct got_imsg_commit_object icommit;
535 bff6ca00 2018-04-23 stsp size_t len, datalen;
537 bff6ca00 2018-04-23 stsp const size_t min_datalen =
538 bff6ca00 2018-04-23 stsp MIN(sizeof(struct got_imsg_error),
539 bff6ca00 2018-04-23 stsp sizeof(struct got_imsg_commit_object));
540 bff6ca00 2018-04-23 stsp uint8_t *data;
542 bff6ca00 2018-04-23 stsp *commit = NULL;
544 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
546 bff6ca00 2018-04-23 stsp return err;
548 bff6ca00 2018-04-23 stsp data = imsg.data;
549 bff6ca00 2018-04-23 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
552 bff6ca00 2018-04-23 stsp switch (imsg.hdr.type) {
553 bff6ca00 2018-04-23 stsp case GOT_IMSG_ERROR:
554 bff6ca00 2018-04-23 stsp err = recv_imsg_error(&imsg, datalen);
556 bff6ca00 2018-04-23 stsp case GOT_IMSG_COMMIT:
557 bff6ca00 2018-04-23 stsp if (datalen < sizeof(icommit)) {
558 bff6ca00 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
562 bff6ca00 2018-04-23 stsp memcpy(&icommit, data, sizeof(icommit));
563 bff6ca00 2018-04-23 stsp if (datalen != sizeof(icommit) + icommit.author_len +
564 c75f7264 2018-09-11 stsp icommit.committer_len +
565 86acc566 2018-04-23 stsp icommit.nparents * SHA1_DIGEST_LENGTH) {
566 bff6ca00 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
569 bff6ca00 2018-04-23 stsp if (icommit.nparents < 0) {
570 bff6ca00 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
573 bff6ca00 2018-04-23 stsp len += sizeof(icommit);
575 bff6ca00 2018-04-23 stsp *commit = got_object_commit_alloc_partial();
576 bff6ca00 2018-04-23 stsp if (*commit == NULL) {
577 bff6ca00 2018-04-23 stsp err = got_error_from_errno();
581 86acc566 2018-04-23 stsp memcpy((*commit)->tree_id->sha1, icommit.tree_id,
582 86acc566 2018-04-23 stsp SHA1_DIGEST_LENGTH);
583 788c352e 2018-06-16 stsp memcpy(&(*commit)->tm_author, &icommit.tm_author,
584 788c352e 2018-06-16 stsp sizeof((*commit)->tm_author));
585 788c352e 2018-06-16 stsp memcpy(&(*commit)->tm_committer, &icommit.tm_committer,
586 788c352e 2018-06-16 stsp sizeof((*commit)->tm_committer));
588 bff6ca00 2018-04-23 stsp if (icommit.author_len == 0) {
589 bff6ca00 2018-04-23 stsp (*commit)->author = strdup("");
590 bff6ca00 2018-04-23 stsp if ((*commit)->author == NULL) {
591 bff6ca00 2018-04-23 stsp err = got_error_from_errno();
595 bff6ca00 2018-04-23 stsp (*commit)->author = malloc(icommit.author_len + 1);
596 bff6ca00 2018-04-23 stsp if ((*commit)->author == NULL) {
597 bff6ca00 2018-04-23 stsp err = got_error_from_errno();
600 bff6ca00 2018-04-23 stsp memcpy((*commit)->author, data + len,
601 bff6ca00 2018-04-23 stsp icommit.author_len);
602 bff6ca00 2018-04-23 stsp (*commit)->author[icommit.author_len] = '\0';
604 bff6ca00 2018-04-23 stsp len += icommit.author_len;
606 bff6ca00 2018-04-23 stsp if (icommit.committer_len == 0) {
607 bff6ca00 2018-04-23 stsp (*commit)->committer = strdup("");
608 bff6ca00 2018-04-23 stsp if ((*commit)->committer == NULL) {
609 bff6ca00 2018-04-23 stsp err = got_error_from_errno();
613 bff6ca00 2018-04-23 stsp (*commit)->committer =
614 bff6ca00 2018-04-23 stsp malloc(icommit.committer_len + 1);
615 bff6ca00 2018-04-23 stsp if ((*commit)->committer == NULL) {
616 bff6ca00 2018-04-23 stsp err = got_error_from_errno();
619 bff6ca00 2018-04-23 stsp memcpy((*commit)->committer, data + len,
620 bff6ca00 2018-04-23 stsp icommit.committer_len);
621 bff6ca00 2018-04-23 stsp (*commit)->committer[icommit.committer_len] = '\0';
623 bff6ca00 2018-04-23 stsp len += icommit.committer_len;
625 bff6ca00 2018-04-23 stsp if (icommit.logmsg_len == 0) {
626 bff6ca00 2018-04-23 stsp (*commit)->logmsg = strdup("");
627 bff6ca00 2018-04-23 stsp if ((*commit)->logmsg == NULL) {
628 bff6ca00 2018-04-23 stsp err = got_error_from_errno();
632 c75f7264 2018-09-11 stsp size_t offset = 0, remain = icommit.logmsg_len;
634 bff6ca00 2018-04-23 stsp (*commit)->logmsg = malloc(icommit.logmsg_len + 1);
635 bff6ca00 2018-04-23 stsp if ((*commit)->logmsg == NULL) {
636 bff6ca00 2018-04-23 stsp err = got_error_from_errno();
639 c75f7264 2018-09-11 stsp while (remain > 0) {
640 c75f7264 2018-09-11 stsp struct imsg imsg_log;
641 c75f7264 2018-09-11 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
644 c75f7264 2018-09-11 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
646 c75f7264 2018-09-11 stsp return err;
648 c75f7264 2018-09-11 stsp if (imsg_log.hdr.type != GOT_IMSG_COMMIT_LOGMSG)
649 c75f7264 2018-09-11 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
651 c75f7264 2018-09-11 stsp memcpy((*commit)->logmsg + offset,
652 c75f7264 2018-09-11 stsp imsg_log.data, n);
653 c75f7264 2018-09-11 stsp imsg_free(&imsg_log);
654 c75f7264 2018-09-11 stsp offset += n;
655 c75f7264 2018-09-11 stsp remain -= n;
657 bff6ca00 2018-04-23 stsp (*commit)->logmsg[icommit.logmsg_len] = '\0';
660 bff6ca00 2018-04-23 stsp for (i = 0; i < icommit.nparents; i++) {
661 79f35eb3 2018-06-11 stsp struct got_object_qid *qid;
663 7762fe12 2018-11-05 stsp err = got_object_qid_alloc_partial(&qid);
667 7762fe12 2018-11-05 stsp memcpy(qid->id, data + len + i * SHA1_DIGEST_LENGTH,
668 7762fe12 2018-11-05 stsp sizeof(*qid->id));
669 7762fe12 2018-11-05 stsp SIMPLEQ_INSERT_TAIL(&(*commit)->parent_ids, qid, entry);
670 7762fe12 2018-11-05 stsp (*commit)->nparents++;
674 7762fe12 2018-11-05 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
678 7762fe12 2018-11-05 stsp imsg_free(&imsg);
680 7762fe12 2018-11-05 stsp return err;
683 7762fe12 2018-11-05 stsp const struct got_error *
684 7762fe12 2018-11-05 stsp got_privsep_recv_mini_commit(struct got_commit_object_mini **commit,
685 7762fe12 2018-11-05 stsp struct imsgbuf *ibuf)
687 7762fe12 2018-11-05 stsp const struct got_error *err = NULL;
688 7762fe12 2018-11-05 stsp struct imsg imsg;
689 7762fe12 2018-11-05 stsp struct got_imsg_commit_object_mini icommit;
690 7762fe12 2018-11-05 stsp size_t len, datalen;
692 7762fe12 2018-11-05 stsp const size_t min_datalen =
693 7762fe12 2018-11-05 stsp MIN(sizeof(struct got_imsg_error),
694 7762fe12 2018-11-05 stsp sizeof(struct got_imsg_commit_object_mini));
695 7762fe12 2018-11-05 stsp uint8_t *data;
697 7762fe12 2018-11-05 stsp *commit = NULL;
699 7762fe12 2018-11-05 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
701 7762fe12 2018-11-05 stsp return err;
703 7762fe12 2018-11-05 stsp data = imsg.data;
704 7762fe12 2018-11-05 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
707 7762fe12 2018-11-05 stsp switch (imsg.hdr.type) {
708 7762fe12 2018-11-05 stsp case GOT_IMSG_ERROR:
709 7762fe12 2018-11-05 stsp err = recv_imsg_error(&imsg, datalen);
711 7762fe12 2018-11-05 stsp case GOT_IMSG_MINI_COMMIT:
712 7762fe12 2018-11-05 stsp if (datalen < sizeof(icommit)) {
713 7762fe12 2018-11-05 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
717 7762fe12 2018-11-05 stsp memcpy(&icommit, data, sizeof(icommit));
718 7762fe12 2018-11-05 stsp if (datalen != sizeof(icommit) +
719 7762fe12 2018-11-05 stsp icommit.nparents * SHA1_DIGEST_LENGTH) {
720 7762fe12 2018-11-05 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
723 7762fe12 2018-11-05 stsp if (icommit.nparents < 0) {
724 7762fe12 2018-11-05 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
727 7762fe12 2018-11-05 stsp len += sizeof(icommit);
729 7762fe12 2018-11-05 stsp *commit = got_object_mini_commit_alloc_partial();
730 7762fe12 2018-11-05 stsp if (*commit == NULL) {
731 7762fe12 2018-11-05 stsp err = got_error_from_errno();
735 7762fe12 2018-11-05 stsp memcpy((*commit)->tree_id->sha1, icommit.tree_id,
736 7762fe12 2018-11-05 stsp SHA1_DIGEST_LENGTH);
737 7762fe12 2018-11-05 stsp memcpy(&(*commit)->tm_committer, &icommit.tm_committer,
738 7762fe12 2018-11-05 stsp sizeof((*commit)->tm_committer));
740 7762fe12 2018-11-05 stsp for (i = 0; i < icommit.nparents; i++) {
741 7762fe12 2018-11-05 stsp struct got_object_qid *qid;
743 7762fe12 2018-11-05 stsp err = got_object_qid_alloc_partial(&qid);
747 79f35eb3 2018-06-11 stsp memcpy(qid->id, data + len + i * SHA1_DIGEST_LENGTH,
748 79f35eb3 2018-06-11 stsp sizeof(*qid->id));
749 79f35eb3 2018-06-11 stsp SIMPLEQ_INSERT_TAIL(&(*commit)->parent_ids, qid, entry);
750 86acc566 2018-04-23 stsp (*commit)->nparents++;
754 8c580685 2018-04-22 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
758 2178c42e 2018-04-22 stsp imsg_free(&imsg);
760 e033d803 2018-04-23 stsp return err;
763 e033d803 2018-04-23 stsp const struct got_error *
764 068fd2bf 2018-04-24 stsp got_privsep_send_tree(struct imsgbuf *ibuf, struct got_tree_object *tree)
766 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
767 e033d803 2018-04-23 stsp struct got_imsg_tree_object itree;
768 e033d803 2018-04-23 stsp struct got_tree_entry *te;
769 b00c9821 2018-11-04 stsp size_t totlen;
770 6eb07a17 2018-11-04 stsp int nimsg; /* number of imsg queued in ibuf */
772 883f0469 2018-06-23 stsp itree.nentries = tree->entries.nentries;
773 e033d803 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_TREE, 0, 0, -1, &itree, sizeof(itree))
775 e033d803 2018-04-23 stsp return got_error_from_errno();
777 b00c9821 2018-11-04 stsp totlen = sizeof(itree);
779 883f0469 2018-06-23 stsp SIMPLEQ_FOREACH(te, &tree->entries.head, entry) {
780 e033d803 2018-04-23 stsp struct got_imsg_tree_entry ite;
781 e033d803 2018-04-23 stsp uint8_t *buf = NULL;
782 e033d803 2018-04-23 stsp size_t len = sizeof(ite) + strlen(te->name);
784 e033d803 2018-04-23 stsp if (len > MAX_IMSGSIZE)
785 e033d803 2018-04-23 stsp return got_error(GOT_ERR_NO_SPACE);
788 6eb07a17 2018-11-04 stsp if (totlen + len >= MAX_IMSGSIZE - (IMSG_HEADER_SIZE * nimsg)) {
789 b00c9821 2018-11-04 stsp err = flush_imsg(ibuf);
791 b00c9821 2018-11-04 stsp return err;
795 e033d803 2018-04-23 stsp buf = malloc(len);
796 e033d803 2018-04-23 stsp if (buf == NULL)
797 e033d803 2018-04-23 stsp return got_error_from_errno();
799 e033d803 2018-04-23 stsp memcpy(ite.id, te->id->sha1, sizeof(ite.id));
800 e033d803 2018-04-23 stsp ite.mode = te->mode;
801 e033d803 2018-04-23 stsp memcpy(buf, &ite, sizeof(ite));
802 e033d803 2018-04-23 stsp memcpy(buf + sizeof(ite), te->name, strlen(te->name));
804 e033d803 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_TREE_ENTRY, 0, 0, -1,
805 e033d803 2018-04-23 stsp buf, len) == -1)
806 e033d803 2018-04-23 stsp err = got_error_from_errno();
809 e033d803 2018-04-23 stsp return err;
810 b00c9821 2018-11-04 stsp totlen += len;
813 b00c9821 2018-11-04 stsp return flush_imsg(ibuf);
816 e033d803 2018-04-23 stsp const struct got_error *
817 068fd2bf 2018-04-24 stsp got_privsep_recv_tree(struct got_tree_object **tree, struct imsgbuf *ibuf)
819 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
820 e033d803 2018-04-23 stsp const size_t min_datalen =
821 e033d803 2018-04-23 stsp MIN(sizeof(struct got_imsg_error),
822 e033d803 2018-04-23 stsp sizeof(struct got_imsg_tree_object));
823 e033d803 2018-04-23 stsp struct got_imsg_tree_object itree = { 0 };
824 e033d803 2018-04-23 stsp int nentries = 0;
826 e033d803 2018-04-23 stsp *tree = NULL;
828 e033d803 2018-04-23 stsp err = read_imsg(ibuf);
832 e033d803 2018-04-23 stsp while (1) {
833 e033d803 2018-04-23 stsp struct imsg imsg;
835 e033d803 2018-04-23 stsp size_t datalen;
836 e033d803 2018-04-23 stsp struct got_imsg_tree_entry ite;
837 e033d803 2018-04-23 stsp struct got_tree_entry *te = NULL;
839 e033d803 2018-04-23 stsp n = imsg_get(ibuf, &imsg);
840 e033d803 2018-04-23 stsp if (n == 0) {
841 883f0469 2018-06-23 stsp if (*tree && (*tree)->entries.nentries != nentries)
842 e033d803 2018-04-23 stsp goto get_more;
846 e033d803 2018-04-23 stsp if (imsg.hdr.len < IMSG_HEADER_SIZE + min_datalen)
847 e033d803 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
849 e033d803 2018-04-23 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
851 e033d803 2018-04-23 stsp switch (imsg.hdr.type) {
852 e033d803 2018-04-23 stsp case GOT_IMSG_ERROR:
853 e033d803 2018-04-23 stsp err = recv_imsg_error(&imsg, datalen);
855 e033d803 2018-04-23 stsp case GOT_IMSG_TREE:
856 e033d803 2018-04-23 stsp /* This message should only appear once. */
857 e033d803 2018-04-23 stsp if (*tree != NULL) {
858 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
861 e033d803 2018-04-23 stsp if (datalen != sizeof(itree)) {
862 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
865 e033d803 2018-04-23 stsp memcpy(&itree, imsg.data, sizeof(itree));
866 e033d803 2018-04-23 stsp *tree = calloc(1, sizeof(**tree));
867 e033d803 2018-04-23 stsp if (*tree == NULL) {
868 e033d803 2018-04-23 stsp err = got_error_from_errno();
871 883f0469 2018-06-23 stsp (*tree)->entries.nentries = itree.nentries;
872 883f0469 2018-06-23 stsp SIMPLEQ_INIT(&(*tree)->entries.head);
874 e033d803 2018-04-23 stsp case GOT_IMSG_TREE_ENTRY:
875 e033d803 2018-04-23 stsp /* This message should be preceeded by GOT_IMSG_TREE. */
876 e033d803 2018-04-23 stsp if (*tree == NULL) {
877 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
880 e033d803 2018-04-23 stsp if (datalen < sizeof(ite) || datalen > MAX_IMSGSIZE) {
881 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
885 e033d803 2018-04-23 stsp /* Remaining data contains the entry's name. */
886 e033d803 2018-04-23 stsp datalen -= sizeof(ite);
887 e033d803 2018-04-23 stsp memcpy(&ite, imsg.data, sizeof(ite));
888 e033d803 2018-04-23 stsp if (datalen == 0 || datalen > MAX_IMSGSIZE) {
889 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
893 e033d803 2018-04-23 stsp te = got_alloc_tree_entry_partial();
894 e033d803 2018-04-23 stsp if (te == NULL) {
895 e033d803 2018-04-23 stsp err = got_error_from_errno();
898 e033d803 2018-04-23 stsp te->name = malloc(datalen + 1);
899 e033d803 2018-04-23 stsp if (te->name == NULL) {
901 e033d803 2018-04-23 stsp err = got_error_from_errno();
904 052d4dc3 2018-04-23 stsp memcpy(te->name, imsg.data + sizeof(ite), datalen);
905 e033d803 2018-04-23 stsp te->name[datalen] = '\0';
907 e033d803 2018-04-23 stsp memcpy(te->id->sha1, ite.id, SHA1_DIGEST_LENGTH);
908 e033d803 2018-04-23 stsp te->mode = ite.mode;
909 883f0469 2018-06-23 stsp SIMPLEQ_INSERT_TAIL(&(*tree)->entries.head, te, entry);
910 e033d803 2018-04-23 stsp nentries++;
913 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
917 e033d803 2018-04-23 stsp imsg_free(&imsg);
920 883f0469 2018-06-23 stsp if (*tree && (*tree)->entries.nentries != nentries) {
921 1e51f5b9 2018-04-23 stsp if (err == NULL)
922 1e51f5b9 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
923 e033d803 2018-04-23 stsp got_object_tree_close(*tree);
924 e033d803 2018-04-23 stsp *tree = NULL;
927 ff6b18f8 2018-04-24 stsp return err;
930 ff6b18f8 2018-04-24 stsp const struct got_error *
931 2967a784 2018-04-24 stsp got_privsep_send_blob(struct imsgbuf *ibuf, size_t size)
933 2967a784 2018-04-24 stsp struct got_imsg_blob iblob;
935 2967a784 2018-04-24 stsp iblob.size = size;
936 ff6b18f8 2018-04-24 stsp /* Data has already been written to file descriptor. */
938 2967a784 2018-04-24 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, &iblob, sizeof(iblob))
940 ff6b18f8 2018-04-24 stsp return got_error_from_errno();
942 ff6b18f8 2018-04-24 stsp return flush_imsg(ibuf);
945 ff6b18f8 2018-04-24 stsp const struct got_error *
946 2967a784 2018-04-24 stsp got_privsep_recv_blob(size_t *size, struct imsgbuf *ibuf)
948 ff6b18f8 2018-04-24 stsp const struct got_error *err = NULL;
949 ff6b18f8 2018-04-24 stsp struct imsg imsg;
950 2967a784 2018-04-24 stsp struct got_imsg_blob iblob;
951 ff6b18f8 2018-04-24 stsp size_t datalen;
953 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
955 ff6b18f8 2018-04-24 stsp return err;
957 ff6b18f8 2018-04-24 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
959 ff6b18f8 2018-04-24 stsp switch (imsg.hdr.type) {
960 ff6b18f8 2018-04-24 stsp case GOT_IMSG_ERROR:
961 ff6b18f8 2018-04-24 stsp err = recv_imsg_error(&imsg, datalen);
963 ff6b18f8 2018-04-24 stsp case GOT_IMSG_BLOB:
964 18336eed 2018-11-04 stsp if (datalen != sizeof(iblob)) {
965 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
968 2967a784 2018-04-24 stsp memcpy(&iblob, imsg.data, sizeof(iblob));
969 2967a784 2018-04-24 stsp *size = iblob.size;
970 ff6b18f8 2018-04-24 stsp /* Data has been written to file descriptor. */
973 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
977 ff6b18f8 2018-04-24 stsp imsg_free(&imsg);
979 2178c42e 2018-04-22 stsp return err;
982 876c234b 2018-09-10 stsp const struct got_error *
983 876c234b 2018-09-10 stsp got_privsep_init_pack_child(struct imsgbuf *ibuf, struct got_pack *pack,
984 876c234b 2018-09-10 stsp struct got_packidx *packidx)
986 876c234b 2018-09-10 stsp struct got_imsg_packidx ipackidx;
987 876c234b 2018-09-10 stsp struct got_imsg_pack ipack;
990 876c234b 2018-09-10 stsp ipackidx.len = packidx->len;
991 876c234b 2018-09-10 stsp fd = dup(packidx->fd);
992 876c234b 2018-09-10 stsp if (fd == -1)
993 876c234b 2018-09-10 stsp return got_error_from_errno();
995 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKIDX, 0, 0, fd, &ipackidx,
996 876c234b 2018-09-10 stsp sizeof(ipackidx)) == -1)
997 876c234b 2018-09-10 stsp return got_error_from_errno();
999 876c234b 2018-09-10 stsp if (strlcpy(ipack.path_packfile, pack->path_packfile,
1000 876c234b 2018-09-10 stsp sizeof(ipack.path_packfile)) >= sizeof(ipack.path_packfile))
1001 876c234b 2018-09-10 stsp return got_error(GOT_ERR_NO_SPACE);
1002 876c234b 2018-09-10 stsp ipack.filesize = pack->filesize;
1004 876c234b 2018-09-10 stsp fd = dup(pack->fd);
1005 876c234b 2018-09-10 stsp if (fd == -1)
1006 876c234b 2018-09-10 stsp return got_error_from_errno();
1008 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACK, 0, 0, fd, &ipack, sizeof(ipack))
1010 876c234b 2018-09-10 stsp return got_error_from_errno();
1012 876c234b 2018-09-10 stsp return flush_imsg(ibuf);
1015 876c234b 2018-09-10 stsp const struct got_error *
1016 106807b4 2018-09-15 stsp got_privsep_send_packed_obj_req(struct imsgbuf *ibuf, int idx,
1017 106807b4 2018-09-15 stsp struct got_object_id *id)
1019 876c234b 2018-09-10 stsp struct got_imsg_packed_object iobj;
1021 876c234b 2018-09-10 stsp iobj.idx = idx;
1022 106807b4 2018-09-15 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
1024 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_OBJECT_REQUEST, 0, 0, -1,
1025 876c234b 2018-09-10 stsp &iobj, sizeof(iobj)) == -1)
1026 876c234b 2018-09-10 stsp return got_error_from_errno();
1028 876c234b 2018-09-10 stsp return flush_imsg(ibuf);