2 5aa81393 2020-01-06 stsp * Copyright (c) 2018, 2019, 2020 Stefan Sperling <stsp@openbsd.org>
3 93658fb9 2020-03-18 stsp * Copyright (c) 2020 Ori Bernstein <ori@openbsd.org>
5 2178c42e 2018-04-22 stsp * Permission to use, copy, modify, and distribute this software for any
6 2178c42e 2018-04-22 stsp * purpose with or without fee is hereby granted, provided that the above
7 2178c42e 2018-04-22 stsp * copyright notice and this permission notice appear in all copies.
9 2178c42e 2018-04-22 stsp * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 2178c42e 2018-04-22 stsp * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 2178c42e 2018-04-22 stsp * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 2178c42e 2018-04-22 stsp * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 2178c42e 2018-04-22 stsp * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 2178c42e 2018-04-22 stsp * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 2178c42e 2018-04-22 stsp * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 2178c42e 2018-04-22 stsp #include <sys/types.h>
19 2178c42e 2018-04-22 stsp #include <sys/queue.h>
20 2178c42e 2018-04-22 stsp #include <sys/uio.h>
21 876c234b 2018-09-10 stsp #include <sys/wait.h>
23 531c3985 2020-03-18 stsp #include <ctype.h>
24 23c57b28 2020-09-11 naddy #include <limits.h>
25 2178c42e 2018-04-22 stsp #include <stdio.h>
26 2178c42e 2018-04-22 stsp #include <stdlib.h>
27 2178c42e 2018-04-22 stsp #include <string.h>
28 2178c42e 2018-04-22 stsp #include <errno.h>
29 2178c42e 2018-04-22 stsp #include <stdint.h>
30 2178c42e 2018-04-22 stsp #include <poll.h>
31 2178c42e 2018-04-22 stsp #include <imsg.h>
32 2178c42e 2018-04-22 stsp #include <sha1.h>
33 81a12da5 2020-09-09 naddy #include <unistd.h>
34 2178c42e 2018-04-22 stsp #include <zlib.h>
35 788c352e 2018-06-16 stsp #include <time.h>
37 2178c42e 2018-04-22 stsp #include "got_object.h"
38 2178c42e 2018-04-22 stsp #include "got_error.h"
39 3022d272 2019-11-14 stsp #include "got_path.h"
40 cd95becd 2019-11-29 stsp #include "got_repository.h"
42 2178c42e 2018-04-22 stsp #include "got_lib_sha1.h"
43 2178c42e 2018-04-22 stsp #include "got_lib_delta.h"
44 63581804 2018-07-09 stsp #include "got_lib_inflate.h"
45 2178c42e 2018-04-22 stsp #include "got_lib_object.h"
46 a440fac0 2018-09-06 stsp #include "got_lib_object_parse.h"
47 2178c42e 2018-04-22 stsp #include "got_lib_privsep.h"
48 876c234b 2018-09-10 stsp #include "got_lib_pack.h"
51 2178c42e 2018-04-22 stsp #define MIN(_a,_b) ((_a) < (_b) ? (_a) : (_b))
54 c39c25dd 2019-08-09 stsp #ifndef nitems
55 c39c25dd 2019-08-09 stsp #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
58 2178c42e 2018-04-22 stsp static const struct got_error *
59 2178c42e 2018-04-22 stsp poll_fd(int fd, int events, int timeout)
61 2178c42e 2018-04-22 stsp struct pollfd pfd[1];
64 2178c42e 2018-04-22 stsp pfd[0].fd = fd;
65 2178c42e 2018-04-22 stsp pfd[0].events = events;
67 2178c42e 2018-04-22 stsp n = poll(pfd, 1, timeout);
68 2178c42e 2018-04-22 stsp if (n == -1)
69 638f9024 2019-05-13 stsp return got_error_from_errno("poll");
71 2178c42e 2018-04-22 stsp return got_error(GOT_ERR_TIMEOUT);
72 2178c42e 2018-04-22 stsp if (pfd[0].revents & (POLLERR | POLLNVAL))
73 638f9024 2019-05-13 stsp return got_error_from_errno("poll error");
74 2178c42e 2018-04-22 stsp if (pfd[0].revents & (events | POLLHUP))
75 2178c42e 2018-04-22 stsp return NULL;
77 2178c42e 2018-04-22 stsp return got_error(GOT_ERR_INTERRUPT);
80 c4eae628 2018-04-23 stsp static const struct got_error *
81 e033d803 2018-04-23 stsp read_imsg(struct imsgbuf *ibuf)
83 fe36cf76 2018-04-23 stsp const struct got_error *err;
86 fe36cf76 2018-04-23 stsp err = poll_fd(ibuf->fd, POLLIN, INFTIM);
90 fe36cf76 2018-04-23 stsp n = imsg_read(ibuf);
91 fe36cf76 2018-04-23 stsp if (n == -1) {
92 fe36cf76 2018-04-23 stsp if (errno == EAGAIN) /* Could be a file-descriptor leak. */
93 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_NO_FD);
94 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_READ);
97 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_PIPE);
99 e033d803 2018-04-23 stsp return NULL;
102 ad242220 2018-09-08 stsp const struct got_error *
103 876c234b 2018-09-10 stsp got_privsep_wait_for_child(pid_t pid)
105 876c234b 2018-09-10 stsp int child_status;
107 2cb49fa8 2019-05-10 stsp if (waitpid(pid, &child_status, 0) == -1)
108 638f9024 2019-05-13 stsp return got_error_from_errno("waitpid");
110 876c234b 2018-09-10 stsp if (!WIFEXITED(child_status))
111 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_DIED);
113 876c234b 2018-09-10 stsp if (WEXITSTATUS(child_status) != 0)
114 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_EXIT);
116 876c234b 2018-09-10 stsp return NULL;
119 73b7854a 2018-11-11 stsp static const struct got_error *
120 73b7854a 2018-11-11 stsp recv_imsg_error(struct imsg *imsg, size_t datalen)
122 73b7854a 2018-11-11 stsp struct got_imsg_error *ierr;
124 73b7854a 2018-11-11 stsp if (datalen != sizeof(*ierr))
125 73b7854a 2018-11-11 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
127 73b7854a 2018-11-11 stsp ierr = imsg->data;
128 73b7854a 2018-11-11 stsp if (ierr->code == GOT_ERR_ERRNO) {
129 73b7854a 2018-11-11 stsp static struct got_error serr;
130 73b7854a 2018-11-11 stsp serr.code = GOT_ERR_ERRNO;
131 73b7854a 2018-11-11 stsp serr.msg = strerror(ierr->errno_code);
132 73b7854a 2018-11-11 stsp return &serr;
135 73b7854a 2018-11-11 stsp return got_error(ierr->code);
138 876c234b 2018-09-10 stsp const struct got_error *
139 46de5bfd 2018-11-11 stsp got_privsep_recv_imsg(struct imsg *imsg, struct imsgbuf *ibuf,
140 46de5bfd 2018-11-11 stsp size_t min_datalen)
142 e033d803 2018-04-23 stsp const struct got_error *err;
145 e033d803 2018-04-23 stsp n = imsg_get(ibuf, imsg);
146 876c234b 2018-09-10 stsp if (n == -1)
147 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_get");
149 876c234b 2018-09-10 stsp while (n == 0) {
150 876c234b 2018-09-10 stsp err = read_imsg(ibuf);
152 876c234b 2018-09-10 stsp return err;
153 876c234b 2018-09-10 stsp n = imsg_get(ibuf, imsg);
154 cbfaaf20 2020-01-06 stsp if (n == -1)
155 cbfaaf20 2020-01-06 stsp return got_error_from_errno("imsg_get");
158 fe36cf76 2018-04-23 stsp if (imsg->hdr.len < IMSG_HEADER_SIZE + min_datalen)
159 c4eae628 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
161 73b7854a 2018-11-11 stsp if (imsg->hdr.type == GOT_IMSG_ERROR) {
162 73b7854a 2018-11-11 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
163 73b7854a 2018-11-11 stsp return recv_imsg_error(imsg, datalen);
166 73b7854a 2018-11-11 stsp return NULL;
169 2178c42e 2018-04-22 stsp /* Attempt to send an error in an imsg. Complain on stderr as a last resort. */
171 2178c42e 2018-04-22 stsp got_privsep_send_error(struct imsgbuf *ibuf, const struct got_error *err)
173 2178c42e 2018-04-22 stsp const struct got_error *poll_err;
174 2178c42e 2018-04-22 stsp struct got_imsg_error ierr;
177 2178c42e 2018-04-22 stsp ierr.code = err->code;
178 2178c42e 2018-04-22 stsp if (err->code == GOT_ERR_ERRNO)
179 2178c42e 2018-04-22 stsp ierr.errno_code = errno;
181 2178c42e 2018-04-22 stsp ierr.errno_code = 0;
182 2178c42e 2018-04-22 stsp ret = imsg_compose(ibuf, GOT_IMSG_ERROR, 0, 0, -1, &ierr, sizeof(ierr));
183 e93cd828 2018-11-11 stsp if (ret == -1) {
184 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_compose: %s\n",
185 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
189 2178c42e 2018-04-22 stsp poll_err = poll_fd(ibuf->fd, POLLOUT, INFTIM);
190 5d43e84d 2018-04-23 stsp if (poll_err) {
191 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": poll: %s\n",
192 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, poll_err->msg);
196 2178c42e 2018-04-22 stsp ret = imsg_flush(ibuf);
197 5d43e84d 2018-04-23 stsp if (ret == -1) {
198 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_flush: %s\n",
199 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
204 e033d803 2018-04-23 stsp static const struct got_error *
205 e033d803 2018-04-23 stsp flush_imsg(struct imsgbuf *ibuf)
207 e033d803 2018-04-23 stsp const struct got_error *err;
209 e033d803 2018-04-23 stsp err = poll_fd(ibuf->fd, POLLOUT, INFTIM);
211 e033d803 2018-04-23 stsp return err;
213 e033d803 2018-04-23 stsp if (imsg_flush(ibuf) == -1)
214 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_flush");
216 e033d803 2018-04-23 stsp return NULL;
219 ad242220 2018-09-08 stsp const struct got_error *
220 e70bf110 2020-03-22 stsp got_privsep_flush_imsg(struct imsgbuf *ibuf)
222 e70bf110 2020-03-22 stsp return flush_imsg(ibuf);
225 e70bf110 2020-03-22 stsp const struct got_error *
226 ad242220 2018-09-08 stsp got_privsep_send_stop(int fd)
228 ad242220 2018-09-08 stsp const struct got_error *err = NULL;
229 ad242220 2018-09-08 stsp struct imsgbuf ibuf;
231 ad242220 2018-09-08 stsp imsg_init(&ibuf, fd);
233 ad242220 2018-09-08 stsp if (imsg_compose(&ibuf, GOT_IMSG_STOP, 0, 0, -1, NULL, 0) == -1)
234 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose STOP");
236 ad242220 2018-09-08 stsp err = flush_imsg(&ibuf);
237 ad242220 2018-09-08 stsp imsg_clear(&ibuf);
238 ad242220 2018-09-08 stsp return err;
241 93658fb9 2020-03-18 stsp const struct got_error *
242 aea5f015 2018-12-24 stsp got_privsep_send_obj_req(struct imsgbuf *ibuf, int fd)
244 aea5f015 2018-12-24 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT_REQUEST, 0, 0, fd, NULL, 0)
246 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT_REQUEST");
248 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
251 59d1e4a0 2021-03-10 stsp const struct got_error *
252 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj_req(struct imsgbuf *ibuf, int fd)
254 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_OBJECT_REQUEST, 0, 0, fd, NULL, 0)
256 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose RAW_OBJECT_REQUEST");
258 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
261 59d1e4a0 2021-03-10 stsp const struct got_error *
262 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj_outfd(struct imsgbuf *ibuf, int outfd)
264 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
266 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_OBJECT_OUTFD, 0, 0, outfd, NULL, 0)
268 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_compose RAW_OBJECT_OUTFD");
269 59d1e4a0 2021-03-10 stsp close(outfd);
270 59d1e4a0 2021-03-10 stsp return err;
273 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
276 59d1e4a0 2021-03-10 stsp const struct got_error *
277 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj(struct imsgbuf *ibuf, off_t size, size_t hdrlen,
278 59d1e4a0 2021-03-10 stsp uint8_t *data)
280 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
281 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj iobj;
282 59d1e4a0 2021-03-10 stsp size_t len = sizeof(iobj);
283 59d1e4a0 2021-03-10 stsp struct ibuf *wbuf;
285 59d1e4a0 2021-03-10 stsp iobj.hdrlen = hdrlen;
286 59d1e4a0 2021-03-10 stsp iobj.size = size;
288 59d1e4a0 2021-03-10 stsp if (data && size <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX)
289 59d1e4a0 2021-03-10 stsp len += (size_t)size;
291 59d1e4a0 2021-03-10 stsp wbuf = imsg_create(ibuf, GOT_IMSG_RAW_OBJECT, 0, 0, len);
292 59d1e4a0 2021-03-10 stsp if (wbuf == NULL) {
293 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_create RAW_OBJECT");
294 59d1e4a0 2021-03-10 stsp return err;
297 59d1e4a0 2021-03-10 stsp if (imsg_add(wbuf, &iobj, sizeof(iobj)) == -1) {
298 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_add RAW_OBJECT");
299 59d1e4a0 2021-03-10 stsp ibuf_free(wbuf);
300 59d1e4a0 2021-03-10 stsp return err;
303 59d1e4a0 2021-03-10 stsp if (data && size <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
304 59d1e4a0 2021-03-10 stsp if (imsg_add(wbuf, data, size) == -1) {
305 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_add RAW_OBJECT");
306 59d1e4a0 2021-03-10 stsp ibuf_free(wbuf);
307 59d1e4a0 2021-03-10 stsp return err;
311 59d1e4a0 2021-03-10 stsp wbuf->fd = -1;
312 59d1e4a0 2021-03-10 stsp imsg_close(ibuf, wbuf);
314 1785f84a 2018-12-23 stsp return flush_imsg(ibuf);
317 1785f84a 2018-12-23 stsp const struct got_error *
318 59d1e4a0 2021-03-10 stsp got_privsep_recv_raw_obj(uint8_t **outbuf, off_t *size, size_t *hdrlen,
319 59d1e4a0 2021-03-10 stsp struct imsgbuf *ibuf)
321 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
322 59d1e4a0 2021-03-10 stsp struct imsg imsg;
323 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj *iobj;
324 59d1e4a0 2021-03-10 stsp size_t datalen;
326 59d1e4a0 2021-03-10 stsp *outbuf = NULL;
328 59d1e4a0 2021-03-10 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
330 59d1e4a0 2021-03-10 stsp return err;
332 59d1e4a0 2021-03-10 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
334 59d1e4a0 2021-03-10 stsp switch (imsg.hdr.type) {
335 59d1e4a0 2021-03-10 stsp case GOT_IMSG_RAW_OBJECT:
336 59d1e4a0 2021-03-10 stsp if (datalen < sizeof(*iobj)) {
337 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
340 59d1e4a0 2021-03-10 stsp iobj = imsg.data;
341 59d1e4a0 2021-03-10 stsp *size = iobj->size;
342 59d1e4a0 2021-03-10 stsp *hdrlen = iobj->hdrlen;
344 59d1e4a0 2021-03-10 stsp if (datalen == sizeof(*iobj)) {
345 59d1e4a0 2021-03-10 stsp /* Data has been written to file descriptor. */
349 59d1e4a0 2021-03-10 stsp if (*size > GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
350 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
354 59d1e4a0 2021-03-10 stsp *outbuf = malloc(*size);
355 59d1e4a0 2021-03-10 stsp if (*outbuf == NULL) {
356 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("malloc");
359 59d1e4a0 2021-03-10 stsp memcpy(*outbuf, imsg.data + sizeof(*iobj), *size);
362 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
366 59d1e4a0 2021-03-10 stsp imsg_free(&imsg);
368 59d1e4a0 2021-03-10 stsp return err;
371 59d1e4a0 2021-03-10 stsp const struct got_error *
372 1785f84a 2018-12-23 stsp got_privsep_send_commit_req(struct imsgbuf *ibuf, int fd,
373 1785f84a 2018-12-23 stsp struct got_object_id *id, int pack_idx)
375 41496140 2019-02-21 stsp const struct got_error *err = NULL;
376 1785f84a 2018-12-23 stsp struct got_imsg_packed_object iobj, *iobjp;
377 1785f84a 2018-12-23 stsp size_t len;
379 1785f84a 2018-12-23 stsp if (id) { /* commit is packed */
380 1785f84a 2018-12-23 stsp iobj.idx = pack_idx;
381 1785f84a 2018-12-23 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
382 1785f84a 2018-12-23 stsp iobjp = &iobj;
383 1785f84a 2018-12-23 stsp len = sizeof(iobj);
385 1785f84a 2018-12-23 stsp iobjp = NULL;
389 1785f84a 2018-12-23 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_REQUEST, 0, 0, fd, iobjp, len)
391 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT_REQUEST");
393 41496140 2019-02-21 stsp return err;
396 13c729f7 2018-12-24 stsp return flush_imsg(ibuf);
399 13c729f7 2018-12-24 stsp const struct got_error *
400 13c729f7 2018-12-24 stsp got_privsep_send_tree_req(struct imsgbuf *ibuf, int fd,
401 13c729f7 2018-12-24 stsp struct got_object_id *id, int pack_idx)
403 41496140 2019-02-21 stsp const struct got_error *err = NULL;
404 7f358e3b 2019-11-23 stsp struct ibuf *wbuf;
405 7f358e3b 2019-11-23 stsp size_t len = id ? sizeof(struct got_imsg_packed_object) : 0;
407 7f358e3b 2019-11-23 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_REQUEST, 0, 0, len);
408 7f358e3b 2019-11-23 stsp if (wbuf == NULL)
409 7f358e3b 2019-11-23 stsp return got_error_from_errno("imsg_create TREE_REQUEST");
411 13c729f7 2018-12-24 stsp if (id) { /* tree is packed */
412 7f358e3b 2019-11-23 stsp if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1) {
413 7f358e3b 2019-11-23 stsp err = got_error_from_errno("imsg_add TREE_ENTRY");
414 7f358e3b 2019-11-23 stsp ibuf_free(wbuf);
415 7f358e3b 2019-11-23 stsp return err;
418 7f358e3b 2019-11-23 stsp if (imsg_add(wbuf, &pack_idx, sizeof(pack_idx)) == -1) {
419 7f358e3b 2019-11-23 stsp err = got_error_from_errno("imsg_add TREE_ENTRY");
420 7f358e3b 2019-11-23 stsp ibuf_free(wbuf);
421 7f358e3b 2019-11-23 stsp return err;
425 7f358e3b 2019-11-23 stsp wbuf->fd = fd;
426 7f358e3b 2019-11-23 stsp imsg_close(ibuf, wbuf);
428 268f7291 2018-12-24 stsp return flush_imsg(ibuf);
431 268f7291 2018-12-24 stsp const struct got_error *
432 268f7291 2018-12-24 stsp got_privsep_send_tag_req(struct imsgbuf *ibuf, int fd,
433 268f7291 2018-12-24 stsp struct got_object_id *id, int pack_idx)
435 268f7291 2018-12-24 stsp struct got_imsg_packed_object iobj, *iobjp;
436 268f7291 2018-12-24 stsp size_t len;
438 268f7291 2018-12-24 stsp if (id) { /* tag is packed */
439 268f7291 2018-12-24 stsp iobj.idx = pack_idx;
440 268f7291 2018-12-24 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
441 268f7291 2018-12-24 stsp iobjp = &iobj;
442 268f7291 2018-12-24 stsp len = sizeof(iobj);
444 268f7291 2018-12-24 stsp iobjp = NULL;
448 268f7291 2018-12-24 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_REQUEST, 0, 0, fd, iobjp, len)
450 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose TAG_REQUEST");
452 7762fe12 2018-11-05 stsp return flush_imsg(ibuf);
455 7762fe12 2018-11-05 stsp const struct got_error *
456 ebc55e2d 2018-12-24 stsp got_privsep_send_blob_req(struct imsgbuf *ibuf, int infd,
457 ebc55e2d 2018-12-24 stsp struct got_object_id *id, int pack_idx)
459 41496140 2019-02-21 stsp const struct got_error *err = NULL;
460 ebc55e2d 2018-12-24 stsp struct got_imsg_packed_object iobj, *iobjp;
461 ebc55e2d 2018-12-24 stsp size_t len;
463 ebc55e2d 2018-12-24 stsp if (id) { /* blob is packed */
464 ebc55e2d 2018-12-24 stsp iobj.idx = pack_idx;
465 ebc55e2d 2018-12-24 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
466 ebc55e2d 2018-12-24 stsp iobjp = &iobj;
467 ebc55e2d 2018-12-24 stsp len = sizeof(iobj);
469 ebc55e2d 2018-12-24 stsp iobjp = NULL;
473 ebc55e2d 2018-12-24 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_REQUEST, 0, 0, infd, iobjp, len)
475 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_REQUEST");
476 41496140 2019-02-21 stsp close(infd);
477 41496140 2019-02-21 stsp return err;
480 55da3778 2018-09-10 stsp return flush_imsg(ibuf);
483 55da3778 2018-09-10 stsp const struct got_error *
484 55da3778 2018-09-10 stsp got_privsep_send_blob_outfd(struct imsgbuf *ibuf, int outfd)
486 41496140 2019-02-21 stsp const struct got_error *err = NULL;
488 ad242220 2018-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_OUTFD, 0, 0, outfd, NULL, 0)
490 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_OUTFD");
491 41496140 2019-02-21 stsp close(outfd);
492 41496140 2019-02-21 stsp return err;
495 3840f4c9 2018-09-12 stsp return flush_imsg(ibuf);
498 73ab1060 2020-03-18 stsp static const struct got_error *
499 73ab1060 2020-03-18 stsp send_fd(struct imsgbuf *ibuf, int imsg_code, int fd)
501 41496140 2019-02-21 stsp const struct got_error *err = NULL;
503 73ab1060 2020-03-18 stsp if (imsg_compose(ibuf, imsg_code, 0, 0, fd, NULL, 0) == -1) {
504 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TMPFD");
506 41496140 2019-02-21 stsp return err;
509 ad242220 2018-09-08 stsp return flush_imsg(ibuf);
512 ad242220 2018-09-08 stsp const struct got_error *
513 73ab1060 2020-03-18 stsp got_privsep_send_tmpfd(struct imsgbuf *ibuf, int fd)
515 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_TMPFD, fd);
518 73ab1060 2020-03-18 stsp const struct got_error *
519 876c234b 2018-09-10 stsp got_privsep_send_obj(struct imsgbuf *ibuf, struct got_object *obj)
521 2178c42e 2018-04-22 stsp struct got_imsg_object iobj;
523 c59b3346 2018-09-11 stsp memcpy(iobj.id, obj->id.sha1, sizeof(iobj.id));
524 2178c42e 2018-04-22 stsp iobj.type = obj->type;
525 2178c42e 2018-04-22 stsp iobj.flags = obj->flags;
526 2178c42e 2018-04-22 stsp iobj.hdrlen = obj->hdrlen;
527 2178c42e 2018-04-22 stsp iobj.size = obj->size;
528 c59b3346 2018-09-11 stsp if (iobj.flags & GOT_OBJ_FLAG_PACKED) {
529 876c234b 2018-09-10 stsp iobj.pack_offset = obj->pack_offset;
530 c59b3346 2018-09-11 stsp iobj.pack_idx = obj->pack_idx;
533 2178c42e 2018-04-22 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT, 0, 0, -1, &iobj, sizeof(iobj))
535 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT");
537 c59b3346 2018-09-11 stsp return flush_imsg(ibuf);
540 cfd633c2 2018-09-10 stsp const struct got_error *
541 33501562 2020-03-18 stsp got_privsep_send_fetch_req(struct imsgbuf *ibuf, int fd,
542 4ba14133 2020-03-20 stsp struct got_pathlist_head *have_refs, int fetch_all_branches,
543 0e4002ca 2020-03-21 stsp struct got_pathlist_head *wanted_branches,
544 0e4002ca 2020-03-21 stsp struct got_pathlist_head *wanted_refs, int list_refs_only, int verbosity)
546 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
547 33501562 2020-03-18 stsp struct ibuf *wbuf;
548 4ba14133 2020-03-20 stsp size_t len;
549 33501562 2020-03-18 stsp struct got_pathlist_entry *pe;
550 4ba14133 2020-03-20 stsp struct got_imsg_fetch_request fetchreq;
552 4ba14133 2020-03-20 stsp memset(&fetchreq, 0, sizeof(fetchreq));
553 4ba14133 2020-03-20 stsp fetchreq.fetch_all_branches = fetch_all_branches;
554 41b0de12 2020-03-21 stsp fetchreq.list_refs_only = list_refs_only;
555 2690194b 2020-03-21 stsp fetchreq.verbosity = verbosity;
556 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, have_refs, entry)
557 4ba14133 2020-03-20 stsp fetchreq.n_have_refs++;
558 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry)
559 4ba14133 2020-03-20 stsp fetchreq.n_wanted_branches++;
560 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry)
561 0e4002ca 2020-03-21 stsp fetchreq.n_wanted_refs++;
562 659e7fbd 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_request);
563 33501562 2020-03-18 stsp if (len >= MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
565 33501562 2020-03-18 stsp return got_error(GOT_ERR_NO_SPACE);
568 4ba14133 2020-03-20 stsp if (imsg_compose(ibuf, GOT_IMSG_FETCH_REQUEST, 0, 0, fd,
569 4ba14133 2020-03-20 stsp &fetchreq, sizeof(fetchreq)) == -1)
570 4ba14133 2020-03-20 stsp return got_error_from_errno(
571 4ba14133 2020-03-20 stsp "imsg_compose FETCH_SERVER_PROGRESS");
573 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
576 659e7fbd 2020-03-20 stsp return err;
580 33501562 2020-03-18 stsp TAILQ_FOREACH(pe, have_refs, entry) {
581 33501562 2020-03-18 stsp const char *name = pe->path;
582 33501562 2020-03-18 stsp size_t name_len = pe->path_len;
583 33501562 2020-03-18 stsp struct got_object_id *id = pe->data;
585 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_have_ref) + name_len;
586 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_HAVE_REF, 0, 0, len);
587 4ba14133 2020-03-20 stsp if (wbuf == NULL)
588 4ba14133 2020-03-20 stsp return got_error_from_errno("imsg_create FETCH_HAVE_REF");
590 33501562 2020-03-18 stsp /* Keep in sync with struct got_imsg_fetch_have_ref! */
591 33501562 2020-03-18 stsp if (imsg_add(wbuf, id->sha1, sizeof(id->sha1)) == -1) {
592 4ba14133 2020-03-20 stsp err = got_error_from_errno("imsg_add FETCH_HAVE_REF");
593 33501562 2020-03-18 stsp ibuf_free(wbuf);
594 33501562 2020-03-18 stsp return err;
596 33501562 2020-03-18 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1) {
597 4ba14133 2020-03-20 stsp err = got_error_from_errno("imsg_add FETCH_HAVE_REF");
598 33501562 2020-03-18 stsp ibuf_free(wbuf);
599 33501562 2020-03-18 stsp return err;
601 33501562 2020-03-18 stsp if (imsg_add(wbuf, name, name_len) == -1) {
602 4ba14133 2020-03-20 stsp err = got_error_from_errno("imsg_add FETCH_HAVE_REF");
603 33501562 2020-03-18 stsp ibuf_free(wbuf);
604 33501562 2020-03-18 stsp return err;
607 4ba14133 2020-03-20 stsp wbuf->fd = -1;
608 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
609 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
611 4ba14133 2020-03-20 stsp return err;
614 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry) {
615 4ba14133 2020-03-20 stsp const char *name = pe->path;
616 4ba14133 2020-03-20 stsp size_t name_len = pe->path_len;
618 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_wanted_branch) + name_len;
619 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_BRANCH, 0, 0,
621 4ba14133 2020-03-20 stsp if (wbuf == NULL)
622 4ba14133 2020-03-20 stsp return got_error_from_errno(
623 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_BRANCH");
625 4ba14133 2020-03-20 stsp /* Keep in sync with struct got_imsg_fetch_wanted_branch! */
626 4ba14133 2020-03-20 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1) {
627 4ba14133 2020-03-20 stsp err = got_error_from_errno(
628 4ba14133 2020-03-20 stsp "imsg_add FETCH_WANTED_BRANCH");
629 4ba14133 2020-03-20 stsp ibuf_free(wbuf);
630 4ba14133 2020-03-20 stsp return err;
632 4ba14133 2020-03-20 stsp if (imsg_add(wbuf, name, name_len) == -1) {
633 4ba14133 2020-03-20 stsp err = got_error_from_errno(
634 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_BRANCH");
635 4ba14133 2020-03-20 stsp ibuf_free(wbuf);
636 4ba14133 2020-03-20 stsp return err;
639 4ba14133 2020-03-20 stsp wbuf->fd = -1;
640 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
641 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
643 4ba14133 2020-03-20 stsp return err;
646 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry) {
647 0e4002ca 2020-03-21 stsp const char *name = pe->path;
648 0e4002ca 2020-03-21 stsp size_t name_len = pe->path_len;
650 0e4002ca 2020-03-21 stsp len = sizeof(struct got_imsg_fetch_wanted_ref) + name_len;
651 0e4002ca 2020-03-21 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_REF, 0, 0,
653 0e4002ca 2020-03-21 stsp if (wbuf == NULL)
654 0e4002ca 2020-03-21 stsp return got_error_from_errno(
655 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_REF");
657 0e4002ca 2020-03-21 stsp /* Keep in sync with struct got_imsg_fetch_wanted_ref! */
658 0e4002ca 2020-03-21 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1) {
659 0e4002ca 2020-03-21 stsp err = got_error_from_errno(
660 0e4002ca 2020-03-21 stsp "imsg_add FETCH_WANTED_REF");
661 0e4002ca 2020-03-21 stsp ibuf_free(wbuf);
662 0e4002ca 2020-03-21 stsp return err;
664 0e4002ca 2020-03-21 stsp if (imsg_add(wbuf, name, name_len) == -1) {
665 0e4002ca 2020-03-21 stsp err = got_error_from_errno(
666 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_REF");
667 0e4002ca 2020-03-21 stsp ibuf_free(wbuf);
668 0e4002ca 2020-03-21 stsp return err;
671 0e4002ca 2020-03-21 stsp wbuf->fd = -1;
672 0e4002ca 2020-03-21 stsp imsg_close(ibuf, wbuf);
673 0e4002ca 2020-03-21 stsp err = flush_imsg(ibuf);
675 0e4002ca 2020-03-21 stsp return err;
679 4ba14133 2020-03-20 stsp return NULL;
683 93658fb9 2020-03-18 stsp const struct got_error *
684 f826addf 2020-03-18 stsp got_privsep_send_fetch_outfd(struct imsgbuf *ibuf, int fd)
686 f826addf 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_FETCH_OUTFD, fd);
689 531c3985 2020-03-18 stsp const struct got_error *
690 8f2d01a6 2020-03-18 stsp got_privsep_recv_fetch_progress(int *done, struct got_object_id **id,
691 531c3985 2020-03-18 stsp char **refname, struct got_pathlist_head *symrefs, char **server_progress,
692 1d72a2a0 2020-03-24 stsp off_t *packfile_size, uint8_t *pack_sha1, struct imsgbuf *ibuf)
694 b9f99abf 2020-03-18 stsp const struct got_error *err = NULL;
695 b9f99abf 2020-03-18 stsp struct imsg imsg;
696 b9f99abf 2020-03-18 stsp size_t datalen;
697 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symrefs *isymrefs = NULL;
698 abe0f35f 2020-03-18 stsp size_t n, remain;
703 8f2d01a6 2020-03-18 stsp *id = NULL;
704 b9f99abf 2020-03-18 stsp *refname = NULL;
705 531c3985 2020-03-18 stsp *server_progress = NULL;
706 5a489642 2020-03-19 stsp *packfile_size = 0;
707 1d72a2a0 2020-03-24 stsp memset(pack_sha1, 0, SHA1_DIGEST_LENGTH);
709 531c3985 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
711 b9f99abf 2020-03-18 stsp return err;
713 b9f99abf 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
714 b9f99abf 2020-03-18 stsp switch (imsg.hdr.type) {
715 b9f99abf 2020-03-18 stsp case GOT_IMSG_ERROR:
716 531c3985 2020-03-18 stsp if (datalen < sizeof(struct got_imsg_error)) {
717 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
720 b9f99abf 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
722 abe0f35f 2020-03-18 stsp case GOT_IMSG_FETCH_SYMREFS:
723 abe0f35f 2020-03-18 stsp if (datalen < sizeof(*isymrefs)) {
724 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
727 abe0f35f 2020-03-18 stsp if (isymrefs != NULL) {
728 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
731 abe0f35f 2020-03-18 stsp isymrefs = (struct got_imsg_fetch_symrefs *)imsg.data;
732 abe0f35f 2020-03-18 stsp off = sizeof(*isymrefs);
733 abe0f35f 2020-03-18 stsp remain = datalen - off;
734 abe0f35f 2020-03-18 stsp for (n = 0; n < isymrefs->nsymrefs; n++) {
735 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symref *s;
736 abe0f35f 2020-03-18 stsp char *name, *target;
737 abe0f35f 2020-03-18 stsp if (remain < sizeof(struct got_imsg_fetch_symref)) {
738 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
741 abe0f35f 2020-03-18 stsp s = (struct got_imsg_fetch_symref *)(imsg.data + off);
742 abe0f35f 2020-03-18 stsp off += sizeof(*s);
743 abe0f35f 2020-03-18 stsp remain -= sizeof(*s);
744 abe0f35f 2020-03-18 stsp if (remain < s->name_len) {
745 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
748 abe0f35f 2020-03-18 stsp name = strndup(imsg.data + off, s->name_len);
749 abe0f35f 2020-03-18 stsp if (name == NULL) {
750 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
753 abe0f35f 2020-03-18 stsp off += s->name_len;
754 abe0f35f 2020-03-18 stsp remain -= s->name_len;
755 abe0f35f 2020-03-18 stsp if (remain < s->target_len) {
756 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
757 abe0f35f 2020-03-18 stsp free(name);
760 abe0f35f 2020-03-18 stsp target = strndup(imsg.data + off, s->target_len);
761 abe0f35f 2020-03-18 stsp if (target == NULL) {
762 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
763 abe0f35f 2020-03-18 stsp free(name);
766 abe0f35f 2020-03-18 stsp off += s->target_len;
767 abe0f35f 2020-03-18 stsp remain -= s->target_len;
768 abe0f35f 2020-03-18 stsp err = got_pathlist_append(symrefs, name, target);
770 abe0f35f 2020-03-18 stsp free(name);
771 abe0f35f 2020-03-18 stsp free(target);
776 ea7396b9 2020-03-18 stsp case GOT_IMSG_FETCH_REF:
777 531c3985 2020-03-18 stsp if (datalen <= SHA1_DIGEST_LENGTH) {
778 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
781 8f2d01a6 2020-03-18 stsp *id = malloc(sizeof(**id));
782 8f2d01a6 2020-03-18 stsp if (*id == NULL) {
783 b9f99abf 2020-03-18 stsp err = got_error_from_errno("malloc");
786 8f2d01a6 2020-03-18 stsp memcpy((*id)->sha1, imsg.data, SHA1_DIGEST_LENGTH);
787 b9f99abf 2020-03-18 stsp *refname = strndup(imsg.data + SHA1_DIGEST_LENGTH,
788 b9f99abf 2020-03-18 stsp datalen - SHA1_DIGEST_LENGTH);
789 b9f99abf 2020-03-18 stsp if (*refname == NULL) {
790 b9f99abf 2020-03-18 stsp err = got_error_from_errno("strndup");
794 531c3985 2020-03-18 stsp case GOT_IMSG_FETCH_SERVER_PROGRESS:
795 531c3985 2020-03-18 stsp if (datalen == 0) {
796 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
799 531c3985 2020-03-18 stsp *server_progress = strndup(imsg.data, datalen);
800 531c3985 2020-03-18 stsp if (*server_progress == NULL) {
801 531c3985 2020-03-18 stsp err = got_error_from_errno("strndup");
804 531c3985 2020-03-18 stsp for (i = 0; i < datalen; i++) {
805 531c3985 2020-03-18 stsp if (!isprint((unsigned char)(*server_progress)[i]) &&
806 531c3985 2020-03-18 stsp !isspace((unsigned char)(*server_progress)[i])) {
807 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
808 531c3985 2020-03-18 stsp free(*server_progress);
809 531c3985 2020-03-18 stsp *server_progress = NULL;
814 d2cdc636 2020-03-18 stsp case GOT_IMSG_FETCH_DOWNLOAD_PROGRESS:
815 d2cdc636 2020-03-18 stsp if (datalen < sizeof(*packfile_size)) {
816 d2cdc636 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
819 d2cdc636 2020-03-18 stsp memcpy(packfile_size, imsg.data, sizeof(*packfile_size));
821 8f2d01a6 2020-03-18 stsp case GOT_IMSG_FETCH_DONE:
822 8f2d01a6 2020-03-18 stsp if (datalen != SHA1_DIGEST_LENGTH) {
823 8f2d01a6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
826 1d72a2a0 2020-03-24 stsp memcpy(pack_sha1, imsg.data, SHA1_DIGEST_LENGTH);
830 b887aab6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
836 8f2d01a6 2020-03-18 stsp *id = NULL;
837 b887aab6 2020-03-18 stsp free(*refname);
838 b887aab6 2020-03-18 stsp *refname = NULL;
840 b9f99abf 2020-03-18 stsp imsg_free(&imsg);
841 b9f99abf 2020-03-18 stsp return err;
844 93658fb9 2020-03-18 stsp const struct got_error *
845 fd251256 2020-03-24 stsp got_privsep_send_index_pack_req(struct imsgbuf *ibuf, uint8_t *pack_sha1,
848 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
850 668a20f6 2020-03-18 stsp /* Keep in sync with struct got_imsg_index_pack_request */
851 93658fb9 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_IDXPACK_REQUEST, 0, 0, fd,
852 fd251256 2020-03-24 stsp pack_sha1, SHA1_DIGEST_LENGTH) == -1) {
853 93658fb9 2020-03-18 stsp err = got_error_from_errno("imsg_compose INDEX_REQUEST");
855 93658fb9 2020-03-18 stsp return err;
857 baa9fea0 2020-03-18 stsp return flush_imsg(ibuf);
860 baa9fea0 2020-03-18 stsp const struct got_error *
861 73ab1060 2020-03-18 stsp got_privsep_send_index_pack_outfd(struct imsgbuf *ibuf, int fd)
863 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_IDXPACK_OUTFD, fd);
866 73ab1060 2020-03-18 stsp const struct got_error *
867 668a20f6 2020-03-18 stsp got_privsep_recv_index_progress(int *done, int *nobj_total,
868 668a20f6 2020-03-18 stsp int *nobj_indexed, int *nobj_loose, int *nobj_resolved,
869 668a20f6 2020-03-18 stsp struct imsgbuf *ibuf)
871 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
872 93658fb9 2020-03-18 stsp struct imsg imsg;
873 baa9fea0 2020-03-18 stsp struct got_imsg_index_pack_progress *iprogress;
874 baa9fea0 2020-03-18 stsp size_t datalen;
877 668a20f6 2020-03-18 stsp *nobj_total = 0;
878 668a20f6 2020-03-18 stsp *nobj_indexed = 0;
879 668a20f6 2020-03-18 stsp *nobj_resolved = 0;
881 93658fb9 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
883 93658fb9 2020-03-18 stsp return err;
885 baa9fea0 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
886 baa9fea0 2020-03-18 stsp switch (imsg.hdr.type) {
887 baa9fea0 2020-03-18 stsp case GOT_IMSG_ERROR:
888 baa9fea0 2020-03-18 stsp if (datalen < sizeof(struct got_imsg_error)) {
889 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
892 baa9fea0 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
894 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_PROGRESS:
895 baa9fea0 2020-03-18 stsp if (datalen < sizeof(*iprogress)) {
896 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
899 baa9fea0 2020-03-18 stsp iprogress = (struct got_imsg_index_pack_progress *)imsg.data;
900 668a20f6 2020-03-18 stsp *nobj_total = iprogress->nobj_total;
901 668a20f6 2020-03-18 stsp *nobj_indexed = iprogress->nobj_indexed;
902 668a20f6 2020-03-18 stsp *nobj_loose = iprogress->nobj_loose;
903 668a20f6 2020-03-18 stsp *nobj_resolved = iprogress->nobj_resolved;
905 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_DONE:
906 baa9fea0 2020-03-18 stsp if (datalen != 0) {
907 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
913 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
917 93658fb9 2020-03-18 stsp imsg_free(&imsg);
918 baa9fea0 2020-03-18 stsp return err;
921 93658fb9 2020-03-18 stsp const struct got_error *
922 cfd633c2 2018-09-10 stsp got_privsep_get_imsg_obj(struct got_object **obj, struct imsg *imsg,
923 cfd633c2 2018-09-10 stsp struct imsgbuf *ibuf)
925 cfd633c2 2018-09-10 stsp const struct got_error *err = NULL;
926 291624d8 2018-11-07 stsp struct got_imsg_object *iobj;
927 cfd633c2 2018-09-10 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
929 291624d8 2018-11-07 stsp if (datalen != sizeof(*iobj))
930 cfd633c2 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
931 291624d8 2018-11-07 stsp iobj = imsg->data;
933 cfd633c2 2018-09-10 stsp *obj = calloc(1, sizeof(**obj));
934 cfd633c2 2018-09-10 stsp if (*obj == NULL)
935 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
937 291624d8 2018-11-07 stsp memcpy((*obj)->id.sha1, iobj->id, SHA1_DIGEST_LENGTH);
938 291624d8 2018-11-07 stsp (*obj)->type = iobj->type;
939 291624d8 2018-11-07 stsp (*obj)->flags = iobj->flags;
940 291624d8 2018-11-07 stsp (*obj)->hdrlen = iobj->hdrlen;
941 291624d8 2018-11-07 stsp (*obj)->size = iobj->size;
942 c59b3346 2018-09-11 stsp /* path_packfile is handled by caller */
943 291624d8 2018-11-07 stsp if (iobj->flags & GOT_OBJ_FLAG_PACKED) {
944 291624d8 2018-11-07 stsp (*obj)->pack_offset = iobj->pack_offset;
945 291624d8 2018-11-07 stsp (*obj)->pack_idx = iobj->pack_idx;
948 876c234b 2018-09-10 stsp return err;
951 2178c42e 2018-04-22 stsp const struct got_error *
952 2178c42e 2018-04-22 stsp got_privsep_recv_obj(struct got_object **obj, struct imsgbuf *ibuf)
954 2178c42e 2018-04-22 stsp const struct got_error *err = NULL;
955 2178c42e 2018-04-22 stsp struct imsg imsg;
956 c4eae628 2018-04-23 stsp const size_t min_datalen =
957 c4eae628 2018-04-23 stsp MIN(sizeof(struct got_imsg_error), sizeof(struct got_imsg_object));
959 2178c42e 2018-04-22 stsp *obj = NULL;
961 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
963 2178c42e 2018-04-22 stsp return err;
965 2178c42e 2018-04-22 stsp switch (imsg.hdr.type) {
966 2178c42e 2018-04-22 stsp case GOT_IMSG_OBJECT:
967 cfd633c2 2018-09-10 stsp err = got_privsep_get_imsg_obj(obj, &imsg, ibuf);
970 bff6ca00 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
974 bff6ca00 2018-04-23 stsp imsg_free(&imsg);
976 bff6ca00 2018-04-23 stsp return err;
979 c75f7264 2018-09-11 stsp static const struct got_error *
980 c75f7264 2018-09-11 stsp send_commit_logmsg(struct imsgbuf *ibuf, struct got_commit_object *commit,
981 c75f7264 2018-09-11 stsp size_t logmsg_len)
983 fa4ffeb3 2018-11-04 stsp const struct got_error *err = NULL;
984 c75f7264 2018-09-11 stsp size_t offset, remain;
986 c75f7264 2018-09-11 stsp offset = 0;
987 c75f7264 2018-09-11 stsp remain = logmsg_len;
988 c75f7264 2018-09-11 stsp while (remain > 0) {
989 c75f7264 2018-09-11 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
991 c75f7264 2018-09-11 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_LOGMSG, 0, 0, -1,
992 fa4ffeb3 2018-11-04 stsp commit->logmsg + offset, n) == -1) {
993 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose "
994 230a42bd 2019-05-11 jcs "COMMIT_LOGMSG");
998 fa4ffeb3 2018-11-04 stsp err = flush_imsg(ibuf);
1002 c75f7264 2018-09-11 stsp offset += n;
1003 c75f7264 2018-09-11 stsp remain -= n;
1006 fa4ffeb3 2018-11-04 stsp return err;
1009 bff6ca00 2018-04-23 stsp const struct got_error *
1010 068fd2bf 2018-04-24 stsp got_privsep_send_commit(struct imsgbuf *ibuf, struct got_commit_object *commit)
1012 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1013 b9c33926 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1014 bff6ca00 2018-04-23 stsp uint8_t *buf;
1015 bff6ca00 2018-04-23 stsp size_t len, total;
1016 79f35eb3 2018-06-11 stsp struct got_object_qid *qid;
1017 b9c33926 2018-11-07 stsp size_t author_len = strlen(commit->author);
1018 b9c33926 2018-11-07 stsp size_t committer_len = strlen(commit->committer);
1019 c75f7264 2018-09-11 stsp size_t logmsg_len = strlen(commit->logmsg);
1021 b9c33926 2018-11-07 stsp total = sizeof(*icommit) + author_len + committer_len +
1022 b9c33926 2018-11-07 stsp commit->nparents * SHA1_DIGEST_LENGTH;
1024 bff6ca00 2018-04-23 stsp buf = malloc(total);
1025 bff6ca00 2018-04-23 stsp if (buf == NULL)
1026 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1028 b9c33926 2018-11-07 stsp icommit = (struct got_imsg_commit_object *)buf;
1029 a7403916 2018-12-24 stsp memcpy(icommit->tree_id, commit->tree_id->sha1,
1030 a7403916 2018-12-24 stsp sizeof(icommit->tree_id));
1031 b9c33926 2018-11-07 stsp icommit->author_len = author_len;
1032 b9c33926 2018-11-07 stsp icommit->author_time = commit->author_time;
1033 b9c33926 2018-11-07 stsp icommit->author_gmtoff = commit->author_gmtoff;
1034 b9c33926 2018-11-07 stsp icommit->committer_len = committer_len;
1035 b9c33926 2018-11-07 stsp icommit->committer_time = commit->committer_time;
1036 b9c33926 2018-11-07 stsp icommit->committer_gmtoff = commit->committer_gmtoff;
1037 b9c33926 2018-11-07 stsp icommit->logmsg_len = logmsg_len;
1038 b9c33926 2018-11-07 stsp icommit->nparents = commit->nparents;
1040 b9c33926 2018-11-07 stsp len = sizeof(*icommit);
1041 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->author, author_len);
1042 b9c33926 2018-11-07 stsp len += author_len;
1043 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->committer, committer_len);
1044 b9c33926 2018-11-07 stsp len += committer_len;
1045 79f35eb3 2018-06-11 stsp SIMPLEQ_FOREACH(qid, &commit->parent_ids, entry) {
1046 79f35eb3 2018-06-11 stsp memcpy(buf + len, qid->id, SHA1_DIGEST_LENGTH);
1047 86acc566 2018-04-23 stsp len += SHA1_DIGEST_LENGTH;
1050 bff6ca00 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT, 0, 0, -1, buf, len) == -1) {
1051 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT");
1052 bff6ca00 2018-04-23 stsp goto done;
1055 904df868 2018-11-04 stsp if (logmsg_len == 0 ||
1056 904df868 2018-11-04 stsp logmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1057 904df868 2018-11-04 stsp err = flush_imsg(ibuf);
1059 904df868 2018-11-04 stsp goto done;
1061 c75f7264 2018-09-11 stsp err = send_commit_logmsg(ibuf, commit, logmsg_len);
1063 bff6ca00 2018-04-23 stsp free(buf);
1064 bff6ca00 2018-04-23 stsp return err;
1067 ca6e02ac 2020-01-07 stsp static const struct got_error *
1068 ca6e02ac 2020-01-07 stsp get_commit_from_imsg(struct got_commit_object **commit,
1069 ca6e02ac 2020-01-07 stsp struct imsg *imsg, size_t datalen, struct imsgbuf *ibuf)
1071 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1072 291624d8 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1073 ca6e02ac 2020-01-07 stsp size_t len = 0;
1076 ca6e02ac 2020-01-07 stsp if (datalen < sizeof(*icommit))
1077 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1079 ca6e02ac 2020-01-07 stsp icommit = imsg->data;
1080 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommit) + icommit->author_len +
1081 ca6e02ac 2020-01-07 stsp icommit->committer_len +
1082 ca6e02ac 2020-01-07 stsp icommit->nparents * SHA1_DIGEST_LENGTH)
1083 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1085 ca6e02ac 2020-01-07 stsp if (icommit->nparents < 0)
1086 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1088 ca6e02ac 2020-01-07 stsp len += sizeof(*icommit);
1090 ca6e02ac 2020-01-07 stsp *commit = got_object_commit_alloc_partial();
1091 ca6e02ac 2020-01-07 stsp if (*commit == NULL)
1092 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
1093 ca6e02ac 2020-01-07 stsp "got_object_commit_alloc_partial");
1095 ca6e02ac 2020-01-07 stsp memcpy((*commit)->tree_id->sha1, icommit->tree_id,
1096 ca6e02ac 2020-01-07 stsp SHA1_DIGEST_LENGTH);
1097 ca6e02ac 2020-01-07 stsp (*commit)->author_time = icommit->author_time;
1098 ca6e02ac 2020-01-07 stsp (*commit)->author_gmtoff = icommit->author_gmtoff;
1099 ca6e02ac 2020-01-07 stsp (*commit)->committer_time = icommit->committer_time;
1100 ca6e02ac 2020-01-07 stsp (*commit)->committer_gmtoff = icommit->committer_gmtoff;
1102 ca6e02ac 2020-01-07 stsp if (icommit->author_len == 0) {
1103 ca6e02ac 2020-01-07 stsp (*commit)->author = strdup("");
1104 ca6e02ac 2020-01-07 stsp if ((*commit)->author == NULL) {
1105 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1106 ca6e02ac 2020-01-07 stsp goto done;
1109 ca6e02ac 2020-01-07 stsp (*commit)->author = malloc(icommit->author_len + 1);
1110 ca6e02ac 2020-01-07 stsp if ((*commit)->author == NULL) {
1111 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1112 ca6e02ac 2020-01-07 stsp goto done;
1114 ca6e02ac 2020-01-07 stsp memcpy((*commit)->author, imsg->data + len,
1115 ca6e02ac 2020-01-07 stsp icommit->author_len);
1116 ca6e02ac 2020-01-07 stsp (*commit)->author[icommit->author_len] = '\0';
1118 ca6e02ac 2020-01-07 stsp len += icommit->author_len;
1120 ca6e02ac 2020-01-07 stsp if (icommit->committer_len == 0) {
1121 ca6e02ac 2020-01-07 stsp (*commit)->committer = strdup("");
1122 ca6e02ac 2020-01-07 stsp if ((*commit)->committer == NULL) {
1123 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1124 ca6e02ac 2020-01-07 stsp goto done;
1127 ca6e02ac 2020-01-07 stsp (*commit)->committer =
1128 ca6e02ac 2020-01-07 stsp malloc(icommit->committer_len + 1);
1129 ca6e02ac 2020-01-07 stsp if ((*commit)->committer == NULL) {
1130 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1131 ca6e02ac 2020-01-07 stsp goto done;
1133 ca6e02ac 2020-01-07 stsp memcpy((*commit)->committer, imsg->data + len,
1134 ca6e02ac 2020-01-07 stsp icommit->committer_len);
1135 ca6e02ac 2020-01-07 stsp (*commit)->committer[icommit->committer_len] = '\0';
1137 ca6e02ac 2020-01-07 stsp len += icommit->committer_len;
1139 ca6e02ac 2020-01-07 stsp if (icommit->logmsg_len == 0) {
1140 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = strdup("");
1141 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1142 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1143 ca6e02ac 2020-01-07 stsp goto done;
1146 ca6e02ac 2020-01-07 stsp size_t offset = 0, remain = icommit->logmsg_len;
1148 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = malloc(icommit->logmsg_len + 1);
1149 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1150 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1151 ca6e02ac 2020-01-07 stsp goto done;
1153 ca6e02ac 2020-01-07 stsp while (remain > 0) {
1154 ca6e02ac 2020-01-07 stsp struct imsg imsg_log;
1155 ca6e02ac 2020-01-07 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1158 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1160 ca6e02ac 2020-01-07 stsp goto done;
1162 ca6e02ac 2020-01-07 stsp if (imsg_log.hdr.type != GOT_IMSG_COMMIT_LOGMSG) {
1163 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1164 ca6e02ac 2020-01-07 stsp goto done;
1167 ca6e02ac 2020-01-07 stsp memcpy((*commit)->logmsg + offset,
1168 ca6e02ac 2020-01-07 stsp imsg_log.data, n);
1169 ca6e02ac 2020-01-07 stsp imsg_free(&imsg_log);
1170 ca6e02ac 2020-01-07 stsp offset += n;
1171 ca6e02ac 2020-01-07 stsp remain -= n;
1173 ca6e02ac 2020-01-07 stsp (*commit)->logmsg[icommit->logmsg_len] = '\0';
1176 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommit->nparents; i++) {
1177 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
1179 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
1182 ca6e02ac 2020-01-07 stsp memcpy(qid->id, imsg->data + len +
1183 ca6e02ac 2020-01-07 stsp i * SHA1_DIGEST_LENGTH, sizeof(*qid->id));
1184 ca6e02ac 2020-01-07 stsp SIMPLEQ_INSERT_TAIL(&(*commit)->parent_ids, qid, entry);
1185 ca6e02ac 2020-01-07 stsp (*commit)->nparents++;
1188 ca6e02ac 2020-01-07 stsp if (err) {
1189 ca6e02ac 2020-01-07 stsp got_object_commit_close(*commit);
1190 ca6e02ac 2020-01-07 stsp *commit = NULL;
1192 ca6e02ac 2020-01-07 stsp return err;
1195 ca6e02ac 2020-01-07 stsp const struct got_error *
1196 ca6e02ac 2020-01-07 stsp got_privsep_recv_commit(struct got_commit_object **commit, struct imsgbuf *ibuf)
1198 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
1199 ca6e02ac 2020-01-07 stsp struct imsg imsg;
1200 ca6e02ac 2020-01-07 stsp size_t datalen;
1201 ca6e02ac 2020-01-07 stsp const size_t min_datalen =
1202 ca6e02ac 2020-01-07 stsp MIN(sizeof(struct got_imsg_error),
1203 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_object));
1205 ca6e02ac 2020-01-07 stsp *commit = NULL;
1207 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1209 ca6e02ac 2020-01-07 stsp return err;
1211 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1213 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
1214 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
1215 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(commit, &imsg, datalen, ibuf);
1218 8c580685 2018-04-22 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1222 2178c42e 2018-04-22 stsp imsg_free(&imsg);
1224 e033d803 2018-04-23 stsp return err;
1227 e033d803 2018-04-23 stsp const struct got_error *
1228 3022d272 2019-11-14 stsp got_privsep_send_tree(struct imsgbuf *ibuf, struct got_pathlist_head *entries,
1229 3022d272 2019-11-14 stsp int nentries)
1231 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
1232 e033d803 2018-04-23 stsp struct got_imsg_tree_object itree;
1233 3022d272 2019-11-14 stsp struct got_pathlist_entry *pe;
1234 b00c9821 2018-11-04 stsp size_t totlen;
1235 6eb07a17 2018-11-04 stsp int nimsg; /* number of imsg queued in ibuf */
1237 3022d272 2019-11-14 stsp itree.nentries = nentries;
1238 e033d803 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_TREE, 0, 0, -1, &itree, sizeof(itree))
1240 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose TREE");
1242 b00c9821 2018-11-04 stsp totlen = sizeof(itree);
1243 6eb07a17 2018-11-04 stsp nimsg = 1;
1244 3022d272 2019-11-14 stsp TAILQ_FOREACH(pe, entries, entry) {
1245 3022d272 2019-11-14 stsp const char *name = pe->path;
1246 3022d272 2019-11-14 stsp struct got_parsed_tree_entry *pte = pe->data;
1247 3022d272 2019-11-14 stsp struct ibuf *wbuf;
1248 3022d272 2019-11-14 stsp size_t namelen = strlen(name);
1249 cd9e913a 2019-11-27 stsp size_t len = sizeof(struct got_imsg_tree_entry) + namelen;
1251 e033d803 2018-04-23 stsp if (len > MAX_IMSGSIZE)
1252 e033d803 2018-04-23 stsp return got_error(GOT_ERR_NO_SPACE);
1255 6eb07a17 2018-11-04 stsp if (totlen + len >= MAX_IMSGSIZE - (IMSG_HEADER_SIZE * nimsg)) {
1256 b00c9821 2018-11-04 stsp err = flush_imsg(ibuf);
1258 b00c9821 2018-11-04 stsp return err;
1259 6eb07a17 2018-11-04 stsp nimsg = 0;
1262 3022d272 2019-11-14 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_ENTRY, 0, 0, len);
1263 3022d272 2019-11-14 stsp if (wbuf == NULL)
1264 3022d272 2019-11-14 stsp return got_error_from_errno("imsg_create TREE_ENTRY");
1266 3022d272 2019-11-14 stsp /* Keep in sync with struct got_imsg_tree_object definition! */
1267 3b647085 2019-11-23 stsp if (imsg_add(wbuf, pte->id, SHA1_DIGEST_LENGTH) == -1) {
1268 3022d272 2019-11-14 stsp err = got_error_from_errno("imsg_add TREE_ENTRY");
1269 3b647085 2019-11-23 stsp ibuf_free(wbuf);
1270 e033d803 2018-04-23 stsp return err;
1272 3b647085 2019-11-23 stsp if (imsg_add(wbuf, &pte->mode, sizeof(pte->mode)) == -1) {
1273 3022d272 2019-11-14 stsp err = got_error_from_errno("imsg_add TREE_ENTRY");
1274 3b647085 2019-11-23 stsp ibuf_free(wbuf);
1275 3022d272 2019-11-14 stsp return err;
1278 3b647085 2019-11-23 stsp if (imsg_add(wbuf, name, namelen) == -1) {
1279 3022d272 2019-11-14 stsp err = got_error_from_errno("imsg_add TREE_ENTRY");
1280 3b647085 2019-11-23 stsp ibuf_free(wbuf);
1281 3022d272 2019-11-14 stsp return err;
1284 3022d272 2019-11-14 stsp wbuf->fd = -1;
1285 3022d272 2019-11-14 stsp imsg_close(ibuf, wbuf);
1287 b00c9821 2018-11-04 stsp totlen += len;
1290 b00c9821 2018-11-04 stsp return flush_imsg(ibuf);
1293 e033d803 2018-04-23 stsp const struct got_error *
1294 068fd2bf 2018-04-24 stsp got_privsep_recv_tree(struct got_tree_object **tree, struct imsgbuf *ibuf)
1296 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
1297 e033d803 2018-04-23 stsp const size_t min_datalen =
1298 e033d803 2018-04-23 stsp MIN(sizeof(struct got_imsg_error),
1299 e033d803 2018-04-23 stsp sizeof(struct got_imsg_tree_object));
1300 291624d8 2018-11-07 stsp struct got_imsg_tree_object *itree;
1301 e033d803 2018-04-23 stsp int nentries = 0;
1303 e033d803 2018-04-23 stsp *tree = NULL;
1305 e033d803 2018-04-23 stsp err = read_imsg(ibuf);
1307 1e51f5b9 2018-04-23 stsp goto done;
1310 e033d803 2018-04-23 stsp struct imsg imsg;
1312 e033d803 2018-04-23 stsp size_t datalen;
1313 c0588d8d 2018-11-07 stsp struct got_imsg_tree_entry *ite;
1314 e033d803 2018-04-23 stsp struct got_tree_entry *te = NULL;
1316 e033d803 2018-04-23 stsp n = imsg_get(ibuf, &imsg);
1317 e033d803 2018-04-23 stsp if (n == 0) {
1318 56e0773d 2019-11-28 stsp if (*tree && (*tree)->nentries != nentries)
1319 e033d803 2018-04-23 stsp goto get_more;
1323 fca1f6ad 2020-08-27 stsp if (imsg.hdr.len < IMSG_HEADER_SIZE + min_datalen) {
1324 fca1f6ad 2020-08-27 stsp imsg_free(&imsg);
1325 fca1f6ad 2020-08-27 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1329 e033d803 2018-04-23 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1331 e033d803 2018-04-23 stsp switch (imsg.hdr.type) {
1332 e033d803 2018-04-23 stsp case GOT_IMSG_ERROR:
1333 e033d803 2018-04-23 stsp err = recv_imsg_error(&imsg, datalen);
1335 e033d803 2018-04-23 stsp case GOT_IMSG_TREE:
1336 e033d803 2018-04-23 stsp /* This message should only appear once. */
1337 e033d803 2018-04-23 stsp if (*tree != NULL) {
1338 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1341 291624d8 2018-11-07 stsp if (datalen != sizeof(*itree)) {
1342 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1345 291624d8 2018-11-07 stsp itree = imsg.data;
1346 c3b78ecc 2018-11-07 stsp *tree = malloc(sizeof(**tree));
1347 e033d803 2018-04-23 stsp if (*tree == NULL) {
1348 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1351 56e0773d 2019-11-28 stsp (*tree)->entries = calloc(itree->nentries,
1352 56e0773d 2019-11-28 stsp sizeof(struct got_tree_entry));
1353 56e0773d 2019-11-28 stsp if ((*tree)->entries == NULL) {
1354 56e0773d 2019-11-28 stsp err = got_error_from_errno("malloc");
1357 56e0773d 2019-11-28 stsp (*tree)->nentries = itree->nentries;
1358 c3b78ecc 2018-11-07 stsp (*tree)->refcnt = 0;
1360 e033d803 2018-04-23 stsp case GOT_IMSG_TREE_ENTRY:
1361 e033d803 2018-04-23 stsp /* This message should be preceeded by GOT_IMSG_TREE. */
1362 e033d803 2018-04-23 stsp if (*tree == NULL) {
1363 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1366 c0588d8d 2018-11-07 stsp if (datalen < sizeof(*ite) || datalen > MAX_IMSGSIZE) {
1367 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1371 e033d803 2018-04-23 stsp /* Remaining data contains the entry's name. */
1372 c0588d8d 2018-11-07 stsp datalen -= sizeof(*ite);
1373 e033d803 2018-04-23 stsp if (datalen == 0 || datalen > MAX_IMSGSIZE) {
1374 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1377 c0588d8d 2018-11-07 stsp ite = imsg.data;
1379 56e0773d 2019-11-28 stsp if (datalen + 1 > sizeof(te->name)) {
1380 56e0773d 2019-11-28 stsp err = got_error(GOT_ERR_NO_SPACE);
1383 56e0773d 2019-11-28 stsp te = &(*tree)->entries[nentries];
1384 c0588d8d 2018-11-07 stsp memcpy(te->name, imsg.data + sizeof(*ite), datalen);
1385 e033d803 2018-04-23 stsp te->name[datalen] = '\0';
1387 56e0773d 2019-11-28 stsp memcpy(te->id.sha1, ite->id, SHA1_DIGEST_LENGTH);
1388 c0588d8d 2018-11-07 stsp te->mode = ite->mode;
1389 56e0773d 2019-11-28 stsp te->idx = nentries;
1390 e033d803 2018-04-23 stsp nentries++;
1393 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1397 e033d803 2018-04-23 stsp imsg_free(&imsg);
1402 56e0773d 2019-11-28 stsp if (*tree && (*tree)->nentries != nentries) {
1403 1e51f5b9 2018-04-23 stsp if (err == NULL)
1404 1e51f5b9 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1405 e033d803 2018-04-23 stsp got_object_tree_close(*tree);
1406 e033d803 2018-04-23 stsp *tree = NULL;
1409 ff6b18f8 2018-04-24 stsp return err;
1412 ff6b18f8 2018-04-24 stsp const struct got_error *
1413 ac544f8c 2019-01-13 stsp got_privsep_send_blob(struct imsgbuf *ibuf, size_t size, size_t hdrlen,
1414 ac544f8c 2019-01-13 stsp const uint8_t *data)
1416 2967a784 2018-04-24 stsp struct got_imsg_blob iblob;
1418 2967a784 2018-04-24 stsp iblob.size = size;
1419 ebc55e2d 2018-12-24 stsp iblob.hdrlen = hdrlen;
1421 ac544f8c 2019-01-13 stsp if (data) {
1422 ac544f8c 2019-01-13 stsp uint8_t *buf;
1424 ac544f8c 2019-01-13 stsp if (size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX)
1425 ac544f8c 2019-01-13 stsp return got_error(GOT_ERR_NO_SPACE);
1427 ac544f8c 2019-01-13 stsp buf = malloc(sizeof(iblob) + size);
1428 ac544f8c 2019-01-13 stsp if (buf == NULL)
1429 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1431 ac544f8c 2019-01-13 stsp memcpy(buf, &iblob, sizeof(iblob));
1432 ac544f8c 2019-01-13 stsp memcpy(buf + sizeof(iblob), data, size);
1433 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, buf,
1434 62d463ca 2020-10-20 naddy sizeof(iblob) + size) == -1) {
1435 ac544f8c 2019-01-13 stsp free(buf);
1436 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1438 ac544f8c 2019-01-13 stsp free(buf);
1440 ac544f8c 2019-01-13 stsp /* Data has already been written to file descriptor. */
1441 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, &iblob,
1442 ac544f8c 2019-01-13 stsp sizeof(iblob)) == -1)
1443 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1447 ff6b18f8 2018-04-24 stsp return flush_imsg(ibuf);
1450 ff6b18f8 2018-04-24 stsp const struct got_error *
1451 ac544f8c 2019-01-13 stsp got_privsep_recv_blob(uint8_t **outbuf, size_t *size, size_t *hdrlen,
1452 ac544f8c 2019-01-13 stsp struct imsgbuf *ibuf)
1454 ff6b18f8 2018-04-24 stsp const struct got_error *err = NULL;
1455 ff6b18f8 2018-04-24 stsp struct imsg imsg;
1456 291624d8 2018-11-07 stsp struct got_imsg_blob *iblob;
1457 ff6b18f8 2018-04-24 stsp size_t datalen;
1459 ac544f8c 2019-01-13 stsp *outbuf = NULL;
1461 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1463 ff6b18f8 2018-04-24 stsp return err;
1465 ff6b18f8 2018-04-24 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1467 ff6b18f8 2018-04-24 stsp switch (imsg.hdr.type) {
1468 ff6b18f8 2018-04-24 stsp case GOT_IMSG_BLOB:
1469 ac544f8c 2019-01-13 stsp if (datalen < sizeof(*iblob)) {
1470 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1473 291624d8 2018-11-07 stsp iblob = imsg.data;
1474 291624d8 2018-11-07 stsp *size = iblob->size;
1475 ebc55e2d 2018-12-24 stsp *hdrlen = iblob->hdrlen;
1477 ac544f8c 2019-01-13 stsp if (datalen == sizeof(*iblob)) {
1478 ac544f8c 2019-01-13 stsp /* Data has been written to file descriptor. */
1482 ac544f8c 2019-01-13 stsp if (*size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX) {
1483 ac544f8c 2019-01-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1487 ac544f8c 2019-01-13 stsp *outbuf = malloc(*size);
1488 ac544f8c 2019-01-13 stsp if (*outbuf == NULL) {
1489 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1492 ac544f8c 2019-01-13 stsp memcpy(*outbuf, imsg.data + sizeof(*iblob), *size);
1495 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1499 f4a881ce 2018-11-17 stsp imsg_free(&imsg);
1501 f4a881ce 2018-11-17 stsp return err;
1504 f4a881ce 2018-11-17 stsp static const struct got_error *
1505 f4a881ce 2018-11-17 stsp send_tagmsg(struct imsgbuf *ibuf, struct got_tag_object *tag, size_t tagmsg_len)
1507 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1508 f4a881ce 2018-11-17 stsp size_t offset, remain;
1510 f4a881ce 2018-11-17 stsp offset = 0;
1511 f4a881ce 2018-11-17 stsp remain = tagmsg_len;
1512 f4a881ce 2018-11-17 stsp while (remain > 0) {
1513 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1515 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_TAGMSG, 0, 0, -1,
1516 f4a881ce 2018-11-17 stsp tag->tagmsg + offset, n) == -1) {
1517 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG_TAGMSG");
1521 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1525 f4a881ce 2018-11-17 stsp offset += n;
1526 f4a881ce 2018-11-17 stsp remain -= n;
1529 f4a881ce 2018-11-17 stsp return err;
1532 f4a881ce 2018-11-17 stsp const struct got_error *
1533 f4a881ce 2018-11-17 stsp got_privsep_send_tag(struct imsgbuf *ibuf, struct got_tag_object *tag)
1535 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1536 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1537 f4a881ce 2018-11-17 stsp uint8_t *buf;
1538 f4a881ce 2018-11-17 stsp size_t len, total;
1539 f4a881ce 2018-11-17 stsp size_t tag_len = strlen(tag->tag);
1540 f4a881ce 2018-11-17 stsp size_t tagger_len = strlen(tag->tagger);
1541 f4a881ce 2018-11-17 stsp size_t tagmsg_len = strlen(tag->tagmsg);
1543 f4a881ce 2018-11-17 stsp total = sizeof(*itag) + tag_len + tagger_len + tagmsg_len;
1545 f4a881ce 2018-11-17 stsp buf = malloc(total);
1546 f4a881ce 2018-11-17 stsp if (buf == NULL)
1547 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1549 f4a881ce 2018-11-17 stsp itag = (struct got_imsg_tag_object *)buf;
1550 f4a881ce 2018-11-17 stsp memcpy(itag->id, tag->id.sha1, sizeof(itag->id));
1551 f4a881ce 2018-11-17 stsp itag->obj_type = tag->obj_type;
1552 f4a881ce 2018-11-17 stsp itag->tag_len = tag_len;
1553 f4a881ce 2018-11-17 stsp itag->tagger_len = tagger_len;
1554 f4a881ce 2018-11-17 stsp itag->tagger_time = tag->tagger_time;
1555 f4a881ce 2018-11-17 stsp itag->tagger_gmtoff = tag->tagger_gmtoff;
1556 f4a881ce 2018-11-17 stsp itag->tagmsg_len = tagmsg_len;
1558 f4a881ce 2018-11-17 stsp len = sizeof(*itag);
1559 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tag, tag_len);
1560 f4a881ce 2018-11-17 stsp len += tag_len;
1561 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tagger, tagger_len);
1562 f4a881ce 2018-11-17 stsp len += tagger_len;
1564 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG, 0, 0, -1, buf, len) == -1) {
1565 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG");
1566 f4a881ce 2018-11-17 stsp goto done;
1569 f4a881ce 2018-11-17 stsp if (tagmsg_len == 0 ||
1570 f4a881ce 2018-11-17 stsp tagmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1571 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1573 f4a881ce 2018-11-17 stsp goto done;
1575 f4a881ce 2018-11-17 stsp err = send_tagmsg(ibuf, tag, tagmsg_len);
1577 f4a881ce 2018-11-17 stsp free(buf);
1578 f4a881ce 2018-11-17 stsp return err;
1581 f4a881ce 2018-11-17 stsp const struct got_error *
1582 f4a881ce 2018-11-17 stsp got_privsep_recv_tag(struct got_tag_object **tag, struct imsgbuf *ibuf)
1584 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1585 f4a881ce 2018-11-17 stsp struct imsg imsg;
1586 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1587 f4a881ce 2018-11-17 stsp size_t len, datalen;
1588 f4a881ce 2018-11-17 stsp const size_t min_datalen =
1589 f4a881ce 2018-11-17 stsp MIN(sizeof(struct got_imsg_error),
1590 f4a881ce 2018-11-17 stsp sizeof(struct got_imsg_tag_object));
1592 f4a881ce 2018-11-17 stsp *tag = NULL;
1594 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1596 f4a881ce 2018-11-17 stsp return err;
1598 f4a881ce 2018-11-17 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1601 f4a881ce 2018-11-17 stsp switch (imsg.hdr.type) {
1602 f4a881ce 2018-11-17 stsp case GOT_IMSG_TAG:
1603 f4a881ce 2018-11-17 stsp if (datalen < sizeof(*itag)) {
1604 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1607 f4a881ce 2018-11-17 stsp itag = imsg.data;
1608 f4a881ce 2018-11-17 stsp if (datalen != sizeof(*itag) + itag->tag_len +
1609 f4a881ce 2018-11-17 stsp itag->tagger_len) {
1610 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1613 f4a881ce 2018-11-17 stsp len += sizeof(*itag);
1615 f4a881ce 2018-11-17 stsp *tag = calloc(1, sizeof(**tag));
1616 f4a881ce 2018-11-17 stsp if (*tag == NULL) {
1617 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
1621 f4a881ce 2018-11-17 stsp memcpy((*tag)->id.sha1, itag->id, SHA1_DIGEST_LENGTH);
1623 f4a881ce 2018-11-17 stsp if (itag->tag_len == 0) {
1624 f4a881ce 2018-11-17 stsp (*tag)->tag = strdup("");
1625 f4a881ce 2018-11-17 stsp if ((*tag)->tag == NULL) {
1626 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1630 f4a881ce 2018-11-17 stsp (*tag)->tag = malloc(itag->tag_len + 1);
1631 f4a881ce 2018-11-17 stsp if ((*tag)->tag == NULL) {
1632 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1635 f4a881ce 2018-11-17 stsp memcpy((*tag)->tag, imsg.data + len,
1636 f4a881ce 2018-11-17 stsp itag->tag_len);
1637 f4a881ce 2018-11-17 stsp (*tag)->tag[itag->tag_len] = '\0';
1639 f4a881ce 2018-11-17 stsp len += itag->tag_len;
1641 f4a881ce 2018-11-17 stsp (*tag)->obj_type = itag->obj_type;
1642 f4a881ce 2018-11-17 stsp (*tag)->tagger_time = itag->tagger_time;
1643 f4a881ce 2018-11-17 stsp (*tag)->tagger_gmtoff = itag->tagger_gmtoff;
1645 f4a881ce 2018-11-17 stsp if (itag->tagger_len == 0) {
1646 f4a881ce 2018-11-17 stsp (*tag)->tagger = strdup("");
1647 f4a881ce 2018-11-17 stsp if ((*tag)->tagger == NULL) {
1648 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1652 f4a881ce 2018-11-17 stsp (*tag)->tagger = malloc(itag->tagger_len + 1);
1653 f4a881ce 2018-11-17 stsp if ((*tag)->tagger == NULL) {
1654 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1657 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagger, imsg.data + len,
1658 f4a881ce 2018-11-17 stsp itag->tagger_len);
1659 f4a881ce 2018-11-17 stsp (*tag)->tagger[itag->tagger_len] = '\0';
1661 f4a881ce 2018-11-17 stsp len += itag->tagger_len;
1663 f4a881ce 2018-11-17 stsp if (itag->tagmsg_len == 0) {
1664 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = strdup("");
1665 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1666 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1670 f4a881ce 2018-11-17 stsp size_t offset = 0, remain = itag->tagmsg_len;
1672 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = malloc(itag->tagmsg_len + 1);
1673 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1674 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1677 f4a881ce 2018-11-17 stsp while (remain > 0) {
1678 f4a881ce 2018-11-17 stsp struct imsg imsg_log;
1679 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1682 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1684 f4a881ce 2018-11-17 stsp return err;
1686 f4a881ce 2018-11-17 stsp if (imsg_log.hdr.type != GOT_IMSG_TAG_TAGMSG)
1687 f4a881ce 2018-11-17 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
1689 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagmsg + offset, imsg_log.data,
1691 f4a881ce 2018-11-17 stsp imsg_free(&imsg_log);
1692 f4a881ce 2018-11-17 stsp offset += n;
1693 f4a881ce 2018-11-17 stsp remain -= n;
1695 f4a881ce 2018-11-17 stsp (*tag)->tagmsg[itag->tagmsg_len] = '\0';
1700 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1704 ff6b18f8 2018-04-24 stsp imsg_free(&imsg);
1706 2178c42e 2018-04-22 stsp return err;
1709 876c234b 2018-09-10 stsp const struct got_error *
1710 876c234b 2018-09-10 stsp got_privsep_init_pack_child(struct imsgbuf *ibuf, struct got_pack *pack,
1711 876c234b 2018-09-10 stsp struct got_packidx *packidx)
1713 41496140 2019-02-21 stsp const struct got_error *err = NULL;
1714 876c234b 2018-09-10 stsp struct got_imsg_packidx ipackidx;
1715 876c234b 2018-09-10 stsp struct got_imsg_pack ipack;
1718 876c234b 2018-09-10 stsp ipackidx.len = packidx->len;
1719 876c234b 2018-09-10 stsp fd = dup(packidx->fd);
1720 876c234b 2018-09-10 stsp if (fd == -1)
1721 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1723 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKIDX, 0, 0, fd, &ipackidx,
1724 41496140 2019-02-21 stsp sizeof(ipackidx)) == -1) {
1725 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACKIDX");
1726 41496140 2019-02-21 stsp close(fd);
1727 41496140 2019-02-21 stsp return err;
1730 876c234b 2018-09-10 stsp if (strlcpy(ipack.path_packfile, pack->path_packfile,
1731 876c234b 2018-09-10 stsp sizeof(ipack.path_packfile)) >= sizeof(ipack.path_packfile))
1732 876c234b 2018-09-10 stsp return got_error(GOT_ERR_NO_SPACE);
1733 876c234b 2018-09-10 stsp ipack.filesize = pack->filesize;
1735 876c234b 2018-09-10 stsp fd = dup(pack->fd);
1736 876c234b 2018-09-10 stsp if (fd == -1)
1737 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1739 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACK, 0, 0, fd, &ipack, sizeof(ipack))
1741 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACK");
1742 41496140 2019-02-21 stsp close(fd);
1743 41496140 2019-02-21 stsp return err;
1746 876c234b 2018-09-10 stsp return flush_imsg(ibuf);
1749 876c234b 2018-09-10 stsp const struct got_error *
1750 106807b4 2018-09-15 stsp got_privsep_send_packed_obj_req(struct imsgbuf *ibuf, int idx,
1751 106807b4 2018-09-15 stsp struct got_object_id *id)
1753 876c234b 2018-09-10 stsp struct got_imsg_packed_object iobj;
1755 876c234b 2018-09-10 stsp iobj.idx = idx;
1756 106807b4 2018-09-15 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
1758 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_OBJECT_REQUEST, 0, 0, -1,
1759 876c234b 2018-09-10 stsp &iobj, sizeof(iobj)) == -1)
1760 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose "
1761 230a42bd 2019-05-11 jcs "PACKED_OBJECT_REQUEST");
1763 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1766 aba9c984 2019-09-08 stsp const struct got_error *
1767 59d1e4a0 2021-03-10 stsp got_privsep_send_packed_raw_obj_req(struct imsgbuf *ibuf, int idx,
1768 59d1e4a0 2021-03-10 stsp struct got_object_id *id)
1770 59d1e4a0 2021-03-10 stsp struct got_imsg_packed_object iobj;
1772 59d1e4a0 2021-03-10 stsp iobj.idx = idx;
1773 59d1e4a0 2021-03-10 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
1775 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_RAW_OBJECT_REQUEST, 0, 0, -1,
1776 59d1e4a0 2021-03-10 stsp &iobj, sizeof(iobj)) == -1)
1777 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose "
1778 59d1e4a0 2021-03-10 stsp "PACKED_OBJECT_REQUEST");
1780 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
1783 59d1e4a0 2021-03-10 stsp const struct got_error *
1784 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_parse_req(struct imsgbuf *ibuf, int fd)
1786 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
1788 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_PARSE_REQUEST, 0, 0, fd,
1789 aba9c984 2019-09-08 stsp NULL, 0) == -1) {
1790 aba9c984 2019-09-08 stsp err = got_error_from_errno("imsg_compose "
1791 aba9c984 2019-09-08 stsp "GITCONFIG_PARSE_REQUEST");
1792 aba9c984 2019-09-08 stsp close(fd);
1793 aba9c984 2019-09-08 stsp return err;
1796 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1799 aba9c984 2019-09-08 stsp const struct got_error *
1800 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_repository_format_version_req(struct imsgbuf *ibuf)
1802 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
1803 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST, 0, 0, -1,
1804 aba9c984 2019-09-08 stsp NULL, 0) == -1)
1805 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
1806 aba9c984 2019-09-08 stsp "GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST");
1808 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1811 aba9c984 2019-09-08 stsp const struct got_error *
1812 20b7abb3 2020-10-22 stsp got_privsep_send_gitconfig_repository_extensions_req(struct imsgbuf *ibuf)
1814 20b7abb3 2020-10-22 stsp if (imsg_compose(ibuf,
1815 20b7abb3 2020-10-22 stsp GOT_IMSG_GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST, 0, 0, -1,
1816 20b7abb3 2020-10-22 stsp NULL, 0) == -1)
1817 20b7abb3 2020-10-22 stsp return got_error_from_errno("imsg_compose "
1818 20b7abb3 2020-10-22 stsp "GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST");
1820 20b7abb3 2020-10-22 stsp return flush_imsg(ibuf);
1824 20b7abb3 2020-10-22 stsp const struct got_error *
1825 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_name_req(struct imsgbuf *ibuf)
1827 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
1828 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_NAME_REQUEST, 0, 0, -1, NULL, 0) == -1)
1829 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
1830 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_NAME_REQUEST");
1832 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1835 aba9c984 2019-09-08 stsp const struct got_error *
1836 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_email_req(struct imsgbuf *ibuf)
1838 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
1839 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_EMAIL_REQUEST, 0, 0, -1, NULL, 0) == -1)
1840 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
1841 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_EMAIL_REQUEST");
1843 cd95becd 2019-11-29 stsp return flush_imsg(ibuf);
1846 cd95becd 2019-11-29 stsp const struct got_error *
1847 cd95becd 2019-11-29 stsp got_privsep_send_gitconfig_remotes_req(struct imsgbuf *ibuf)
1849 cd95becd 2019-11-29 stsp if (imsg_compose(ibuf,
1850 cd95becd 2019-11-29 stsp GOT_IMSG_GITCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
1851 cd95becd 2019-11-29 stsp return got_error_from_errno("imsg_compose "
1852 cd95becd 2019-11-29 stsp "GITCONFIG_REMOTE_REQUEST");
1854 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1857 aba9c984 2019-09-08 stsp const struct got_error *
1858 9a1cc63f 2020-02-03 stsp got_privsep_send_gitconfig_owner_req(struct imsgbuf *ibuf)
1860 9a1cc63f 2020-02-03 stsp if (imsg_compose(ibuf,
1861 9a1cc63f 2020-02-03 stsp GOT_IMSG_GITCONFIG_OWNER_REQUEST, 0, 0, -1, NULL, 0) == -1)
1862 9a1cc63f 2020-02-03 stsp return got_error_from_errno("imsg_compose "
1863 9a1cc63f 2020-02-03 stsp "GITCONFIG_OWNER_REQUEST");
1865 9a1cc63f 2020-02-03 stsp return flush_imsg(ibuf);
1868 9a1cc63f 2020-02-03 stsp const struct got_error *
1869 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_str(char **str, struct imsgbuf *ibuf)
1871 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
1872 aba9c984 2019-09-08 stsp struct imsg imsg;
1873 aba9c984 2019-09-08 stsp size_t datalen;
1874 aba9c984 2019-09-08 stsp const size_t min_datalen = 0;
1876 aba9c984 2019-09-08 stsp *str = NULL;
1878 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1880 aba9c984 2019-09-08 stsp return err;
1881 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1883 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
1884 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_STR_VAL:
1885 aba9c984 2019-09-08 stsp if (datalen == 0)
1887 6c13dcd2 2020-09-18 stsp /* datalen does not include terminating \0 */
1888 6c13dcd2 2020-09-18 stsp *str = malloc(datalen + 1);
1889 aba9c984 2019-09-08 stsp if (*str == NULL) {
1890 aba9c984 2019-09-08 stsp err = got_error_from_errno("malloc");
1893 6c13dcd2 2020-09-18 stsp memcpy(*str, imsg.data, datalen);
1894 6c13dcd2 2020-09-18 stsp (*str)[datalen] = '\0';
1897 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1901 aba9c984 2019-09-08 stsp imsg_free(&imsg);
1902 aba9c984 2019-09-08 stsp return err;
1905 aba9c984 2019-09-08 stsp const struct got_error *
1906 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_int(int *val, struct imsgbuf *ibuf)
1908 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
1909 aba9c984 2019-09-08 stsp struct imsg imsg;
1910 aba9c984 2019-09-08 stsp size_t datalen;
1911 aba9c984 2019-09-08 stsp const size_t min_datalen =
1912 aba9c984 2019-09-08 stsp MIN(sizeof(struct got_imsg_error), sizeof(int));
1916 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1918 aba9c984 2019-09-08 stsp return err;
1919 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1921 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
1922 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_INT_VAL:
1923 aba9c984 2019-09-08 stsp if (datalen != sizeof(*val)) {
1924 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1927 aba9c984 2019-09-08 stsp memcpy(val, imsg.data, sizeof(*val));
1930 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1934 cd95becd 2019-11-29 stsp imsg_free(&imsg);
1935 cd95becd 2019-11-29 stsp return err;
1938 b8adfa55 2020-09-25 stsp static void
1939 b8adfa55 2020-09-25 stsp free_remote_data(struct got_remote_repo *remote)
1943 b8adfa55 2020-09-25 stsp free(remote->name);
1944 b8adfa55 2020-09-25 stsp free(remote->url);
1945 b8adfa55 2020-09-25 stsp for (i = 0; i < remote->nbranches; i++)
1946 b8adfa55 2020-09-25 stsp free(remote->branches[i]);
1947 b8adfa55 2020-09-25 stsp free(remote->branches);
1948 99495ddb 2021-01-10 stsp for (i = 0; i < remote->nrefs; i++)
1949 99495ddb 2021-01-10 stsp free(remote->refs[i]);
1950 99495ddb 2021-01-10 stsp free(remote->refs);
1953 cd95becd 2019-11-29 stsp const struct got_error *
1954 cd95becd 2019-11-29 stsp got_privsep_recv_gitconfig_remotes(struct got_remote_repo **remotes,
1955 cd95becd 2019-11-29 stsp int *nremotes, struct imsgbuf *ibuf)
1957 cd95becd 2019-11-29 stsp const struct got_error *err = NULL;
1958 cd95becd 2019-11-29 stsp struct imsg imsg;
1959 cd95becd 2019-11-29 stsp size_t datalen;
1960 cd95becd 2019-11-29 stsp struct got_imsg_remotes iremotes;
1961 cd95becd 2019-11-29 stsp struct got_imsg_remote iremote;
1963 cd95becd 2019-11-29 stsp *remotes = NULL;
1964 cd95becd 2019-11-29 stsp *nremotes = 0;
1965 d669b9c9 2020-02-22 stsp iremotes.nremotes = 0;
1967 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremotes));
1969 cd95becd 2019-11-29 stsp return err;
1970 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1972 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
1973 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTES:
1974 cd95becd 2019-11-29 stsp if (datalen != sizeof(iremotes)) {
1975 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1978 cd95becd 2019-11-29 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
1979 cd95becd 2019-11-29 stsp if (iremotes.nremotes == 0) {
1980 cd95becd 2019-11-29 stsp imsg_free(&imsg);
1981 cd95becd 2019-11-29 stsp return NULL;
1985 54b1c5b5 2020-02-22 stsp imsg_free(&imsg);
1986 54b1c5b5 2020-02-22 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
1989 aba9c984 2019-09-08 stsp imsg_free(&imsg);
1991 5146eb39 2020-03-20 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
1992 cd95becd 2019-11-29 stsp if (*remotes == NULL)
1993 cd95becd 2019-11-29 stsp return got_error_from_errno("recallocarray");
1995 cd95becd 2019-11-29 stsp while (*nremotes < iremotes.nremotes) {
1996 cd95becd 2019-11-29 stsp struct got_remote_repo *remote;
1998 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremote));
2001 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2003 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2004 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTE:
2005 cd95becd 2019-11-29 stsp remote = &(*remotes)[*nremotes];
2006 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2007 cd95becd 2019-11-29 stsp if (datalen < sizeof(iremote)) {
2008 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2011 cd95becd 2019-11-29 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2012 cd95becd 2019-11-29 stsp if (iremote.name_len == 0 || iremote.url_len == 0 ||
2013 cd95becd 2019-11-29 stsp (sizeof(iremote) + iremote.name_len +
2014 cd95becd 2019-11-29 stsp iremote.url_len) > datalen) {
2015 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2018 cd95becd 2019-11-29 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2019 cd95becd 2019-11-29 stsp iremote.name_len);
2020 cd95becd 2019-11-29 stsp if (remote->name == NULL) {
2021 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2024 cd95becd 2019-11-29 stsp remote->url = strndup(imsg.data + sizeof(iremote) +
2025 cd95becd 2019-11-29 stsp iremote.name_len, iremote.url_len);
2026 cd95becd 2019-11-29 stsp if (remote->url == NULL) {
2027 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2028 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2031 469dd726 2020-03-20 stsp remote->mirror_references = iremote.mirror_references;
2032 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2033 b8adfa55 2020-09-25 stsp remote->nbranches = 0;
2034 b8adfa55 2020-09-25 stsp remote->branches = NULL;
2035 99495ddb 2021-01-10 stsp remote->nrefs = 0;
2036 99495ddb 2021-01-10 stsp remote->refs = NULL;
2037 cd95becd 2019-11-29 stsp (*nremotes)++;
2040 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2044 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2049 cd95becd 2019-11-29 stsp if (err) {
2051 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2052 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2053 cd95becd 2019-11-29 stsp free(*remotes);
2054 cd95becd 2019-11-29 stsp *remotes = NULL;
2055 cd95becd 2019-11-29 stsp *nremotes = 0;
2057 aba9c984 2019-09-08 stsp return err;
2060 257add31 2020-09-09 stsp const struct got_error *
2061 257add31 2020-09-09 stsp got_privsep_send_gotconfig_parse_req(struct imsgbuf *ibuf, int fd)
2063 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2065 257add31 2020-09-09 stsp if (imsg_compose(ibuf, GOT_IMSG_GOTCONFIG_PARSE_REQUEST, 0, 0, fd,
2066 257add31 2020-09-09 stsp NULL, 0) == -1) {
2067 257add31 2020-09-09 stsp err = got_error_from_errno("imsg_compose "
2068 257add31 2020-09-09 stsp "GOTCONFIG_PARSE_REQUEST");
2069 257add31 2020-09-09 stsp close(fd);
2070 257add31 2020-09-09 stsp return err;
2073 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2076 257add31 2020-09-09 stsp const struct got_error *
2077 257add31 2020-09-09 stsp got_privsep_send_gotconfig_author_req(struct imsgbuf *ibuf)
2079 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2080 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_AUTHOR_REQUEST, 0, 0, -1, NULL, 0) == -1)
2081 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2082 257add31 2020-09-09 stsp "GOTCONFIG_AUTHOR_REQUEST");
2084 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2087 ca6e02ac 2020-01-07 stsp const struct got_error *
2088 257add31 2020-09-09 stsp got_privsep_send_gotconfig_remotes_req(struct imsgbuf *ibuf)
2090 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2091 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2092 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2093 257add31 2020-09-09 stsp "GOTCONFIG_REMOTE_REQUEST");
2095 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2098 257add31 2020-09-09 stsp const struct got_error *
2099 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_str(char **str, struct imsgbuf *ibuf)
2101 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2102 257add31 2020-09-09 stsp struct imsg imsg;
2103 257add31 2020-09-09 stsp size_t datalen;
2104 257add31 2020-09-09 stsp const size_t min_datalen = 0;
2106 257add31 2020-09-09 stsp *str = NULL;
2108 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2110 257add31 2020-09-09 stsp return err;
2111 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2113 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2114 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2115 257add31 2020-09-09 stsp if (datalen < sizeof(struct got_imsg_error)) {
2116 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2119 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2121 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_STR_VAL:
2122 257add31 2020-09-09 stsp if (datalen == 0)
2124 5874ea87 2020-09-18 stsp /* datalen does not include terminating \0 */
2125 5874ea87 2020-09-18 stsp *str = malloc(datalen + 1);
2126 257add31 2020-09-09 stsp if (*str == NULL) {
2127 257add31 2020-09-09 stsp err = got_error_from_errno("malloc");
2130 5874ea87 2020-09-18 stsp memcpy(*str, imsg.data, datalen);
2131 5874ea87 2020-09-18 stsp (*str)[datalen] = '\0';
2134 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2138 257add31 2020-09-09 stsp imsg_free(&imsg);
2139 257add31 2020-09-09 stsp return err;
2143 257add31 2020-09-09 stsp const struct got_error *
2144 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_remotes(struct got_remote_repo **remotes,
2145 257add31 2020-09-09 stsp int *nremotes, struct imsgbuf *ibuf)
2147 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2148 257add31 2020-09-09 stsp struct imsg imsg;
2149 257add31 2020-09-09 stsp size_t datalen;
2150 257add31 2020-09-09 stsp struct got_imsg_remotes iremotes;
2151 257add31 2020-09-09 stsp struct got_imsg_remote iremote;
2152 257add31 2020-09-09 stsp const size_t min_datalen =
2153 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremotes));
2155 257add31 2020-09-09 stsp *remotes = NULL;
2156 257add31 2020-09-09 stsp *nremotes = 0;
2157 257add31 2020-09-09 stsp iremotes.nremotes = 0;
2159 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2161 257add31 2020-09-09 stsp return err;
2162 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2164 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2165 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2166 257add31 2020-09-09 stsp if (datalen < sizeof(struct got_imsg_error)) {
2167 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2170 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2172 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTES:
2173 257add31 2020-09-09 stsp if (datalen != sizeof(iremotes)) {
2174 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2177 257add31 2020-09-09 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2178 257add31 2020-09-09 stsp if (iremotes.nremotes == 0) {
2179 257add31 2020-09-09 stsp imsg_free(&imsg);
2180 257add31 2020-09-09 stsp return NULL;
2184 257add31 2020-09-09 stsp imsg_free(&imsg);
2185 257add31 2020-09-09 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2188 257add31 2020-09-09 stsp imsg_free(&imsg);
2190 257add31 2020-09-09 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2191 257add31 2020-09-09 stsp if (*remotes == NULL)
2192 257add31 2020-09-09 stsp return got_error_from_errno("recallocarray");
2194 257add31 2020-09-09 stsp while (*nremotes < iremotes.nremotes) {
2195 257add31 2020-09-09 stsp struct got_remote_repo *remote;
2196 257add31 2020-09-09 stsp const size_t min_datalen =
2197 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremote));
2200 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2203 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2205 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2206 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2207 257add31 2020-09-09 stsp if (datalen < sizeof(struct got_imsg_error)) {
2208 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2211 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2213 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTE:
2214 257add31 2020-09-09 stsp remote = &(*remotes)[*nremotes];
2215 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2216 257add31 2020-09-09 stsp if (datalen < sizeof(iremote)) {
2217 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2220 257add31 2020-09-09 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2221 257add31 2020-09-09 stsp if (iremote.name_len == 0 || iremote.url_len == 0 ||
2222 257add31 2020-09-09 stsp (sizeof(iremote) + iremote.name_len +
2223 257add31 2020-09-09 stsp iremote.url_len) > datalen) {
2224 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2227 257add31 2020-09-09 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2228 257add31 2020-09-09 stsp iremote.name_len);
2229 257add31 2020-09-09 stsp if (remote->name == NULL) {
2230 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2233 257add31 2020-09-09 stsp remote->url = strndup(imsg.data + sizeof(iremote) +
2234 257add31 2020-09-09 stsp iremote.name_len, iremote.url_len);
2235 257add31 2020-09-09 stsp if (remote->url == NULL) {
2236 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2237 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2240 257add31 2020-09-09 stsp remote->mirror_references = iremote.mirror_references;
2241 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2242 b8adfa55 2020-09-25 stsp if (iremote.nbranches > 0) {
2243 b8adfa55 2020-09-25 stsp remote->branches = recallocarray(NULL, 0,
2244 b8adfa55 2020-09-25 stsp iremote.nbranches, sizeof(char *));
2245 b8adfa55 2020-09-25 stsp if (remote->branches == NULL) {
2246 b8adfa55 2020-09-25 stsp err = got_error_from_errno("calloc");
2247 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2251 b8adfa55 2020-09-25 stsp remote->nbranches = 0;
2252 b8adfa55 2020-09-25 stsp for (i = 0; i < iremote.nbranches; i++) {
2253 b8adfa55 2020-09-25 stsp char *branch;
2254 b8adfa55 2020-09-25 stsp err = got_privsep_recv_gotconfig_str(&branch,
2256 b8adfa55 2020-09-25 stsp if (err) {
2257 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2258 b8adfa55 2020-09-25 stsp goto done;
2260 b8adfa55 2020-09-25 stsp remote->branches[i] = branch;
2261 b8adfa55 2020-09-25 stsp remote->nbranches++;
2263 99495ddb 2021-01-10 stsp if (iremote.nrefs > 0) {
2264 99495ddb 2021-01-10 stsp remote->refs = recallocarray(NULL, 0,
2265 99495ddb 2021-01-10 stsp iremote.nrefs, sizeof(char *));
2266 99495ddb 2021-01-10 stsp if (remote->refs == NULL) {
2267 99495ddb 2021-01-10 stsp err = got_error_from_errno("calloc");
2268 99495ddb 2021-01-10 stsp free_remote_data(remote);
2272 99495ddb 2021-01-10 stsp remote->nrefs = 0;
2273 99495ddb 2021-01-10 stsp for (i = 0; i < iremote.nrefs; i++) {
2274 99495ddb 2021-01-10 stsp char *ref;
2275 99495ddb 2021-01-10 stsp err = got_privsep_recv_gotconfig_str(&ref,
2277 99495ddb 2021-01-10 stsp if (err) {
2278 99495ddb 2021-01-10 stsp free_remote_data(remote);
2279 99495ddb 2021-01-10 stsp goto done;
2281 99495ddb 2021-01-10 stsp remote->refs[i] = ref;
2282 99495ddb 2021-01-10 stsp remote->nrefs++;
2284 257add31 2020-09-09 stsp (*nremotes)++;
2287 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2291 257add31 2020-09-09 stsp imsg_free(&imsg);
2296 257add31 2020-09-09 stsp if (err) {
2298 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2299 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2300 257add31 2020-09-09 stsp free(*remotes);
2301 257add31 2020-09-09 stsp *remotes = NULL;
2302 257add31 2020-09-09 stsp *nremotes = 0;
2304 257add31 2020-09-09 stsp return err;
2307 257add31 2020-09-09 stsp const struct got_error *
2308 ca6e02ac 2020-01-07 stsp got_privsep_send_commit_traversal_request(struct imsgbuf *ibuf,
2309 ca6e02ac 2020-01-07 stsp struct got_object_id *id, int idx, const char *path)
2311 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
2312 ca6e02ac 2020-01-07 stsp struct ibuf *wbuf;
2313 ca6e02ac 2020-01-07 stsp size_t path_len = strlen(path) + 1;
2315 ca6e02ac 2020-01-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_COMMIT_TRAVERSAL_REQUEST, 0, 0,
2316 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_traversal_request) + path_len);
2317 ca6e02ac 2020-01-07 stsp if (wbuf == NULL)
2318 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
2319 ca6e02ac 2020-01-07 stsp "imsg_create COMMIT_TRAVERSAL_REQUEST");
2320 ca6e02ac 2020-01-07 stsp if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1) {
2321 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("imsg_add COMMIT_TRAVERSAL_REQUEST");
2322 ca6e02ac 2020-01-07 stsp ibuf_free(wbuf);
2323 ca6e02ac 2020-01-07 stsp return err;
2325 ca6e02ac 2020-01-07 stsp if (imsg_add(wbuf, &idx, sizeof(idx)) == -1) {
2326 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("imsg_add COMMIT_TRAVERSAL_REQUEST");
2327 ca6e02ac 2020-01-07 stsp ibuf_free(wbuf);
2328 ca6e02ac 2020-01-07 stsp return err;
2330 ca6e02ac 2020-01-07 stsp if (imsg_add(wbuf, path, path_len) == -1) {
2331 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("imsg_add COMMIT_TRAVERSAL_REQUEST");
2332 ca6e02ac 2020-01-07 stsp ibuf_free(wbuf);
2333 ca6e02ac 2020-01-07 stsp return err;
2336 ca6e02ac 2020-01-07 stsp wbuf->fd = -1;
2337 ca6e02ac 2020-01-07 stsp imsg_close(ibuf, wbuf);
2339 ca6e02ac 2020-01-07 stsp return flush_imsg(ibuf);
2342 ca6e02ac 2020-01-07 stsp const struct got_error *
2343 ca6e02ac 2020-01-07 stsp got_privsep_recv_traversed_commits(struct got_commit_object **changed_commit,
2344 ca6e02ac 2020-01-07 stsp struct got_object_id **changed_commit_id,
2345 ca6e02ac 2020-01-07 stsp struct got_object_id_queue *commit_ids, struct imsgbuf *ibuf)
2347 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
2348 ca6e02ac 2020-01-07 stsp struct imsg imsg;
2349 ca6e02ac 2020-01-07 stsp struct got_imsg_traversed_commits *icommits;
2350 ca6e02ac 2020-01-07 stsp size_t datalen;
2351 ca6e02ac 2020-01-07 stsp int i, done = 0;
2353 ca6e02ac 2020-01-07 stsp *changed_commit = NULL;
2354 ca6e02ac 2020-01-07 stsp *changed_commit_id = NULL;
2356 ca6e02ac 2020-01-07 stsp while (!done) {
2357 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2359 ca6e02ac 2020-01-07 stsp return err;
2361 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2362 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
2363 ca6e02ac 2020-01-07 stsp case GOT_IMSG_TRAVERSED_COMMITS:
2364 ca6e02ac 2020-01-07 stsp icommits = imsg.data;
2365 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommits) +
2366 ca6e02ac 2020-01-07 stsp icommits->ncommits * SHA1_DIGEST_LENGTH) {
2367 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2370 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommits->ncommits; i++) {
2371 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
2372 ca6e02ac 2020-01-07 stsp uint8_t *sha1 = (uint8_t *)imsg.data +
2373 ca6e02ac 2020-01-07 stsp sizeof(*icommits) + i * SHA1_DIGEST_LENGTH;
2374 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
2377 ca6e02ac 2020-01-07 stsp memcpy(qid->id->sha1, sha1, SHA1_DIGEST_LENGTH);
2378 ca6e02ac 2020-01-07 stsp SIMPLEQ_INSERT_TAIL(commit_ids, qid, entry);
2380 ca6e02ac 2020-01-07 stsp /* The last commit may contain a change. */
2381 ca6e02ac 2020-01-07 stsp if (i == icommits->ncommits - 1) {
2382 ca6e02ac 2020-01-07 stsp *changed_commit_id =
2383 ca6e02ac 2020-01-07 stsp got_object_id_dup(qid->id);
2384 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2385 ca6e02ac 2020-01-07 stsp err = got_error_from_errno(
2386 ca6e02ac 2020-01-07 stsp "got_object_id_dup");
2392 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
2393 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2394 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2397 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(changed_commit, &imsg,
2398 ca6e02ac 2020-01-07 stsp datalen, ibuf);
2400 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT_TRAVERSAL_DONE:
2404 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2408 ca6e02ac 2020-01-07 stsp imsg_free(&imsg);
2414 ca6e02ac 2020-01-07 stsp got_object_id_queue_free(commit_ids);
2415 ca6e02ac 2020-01-07 stsp return err;
2418 ca6e02ac 2020-01-07 stsp const struct got_error *
2419 63219cd2 2019-01-04 stsp got_privsep_unveil_exec_helpers(void)
2421 c39c25dd 2019-08-09 stsp const char *helpers[] = {
2422 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_PACK,
2423 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_OBJECT,
2424 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_COMMIT,
2425 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TREE,
2426 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_BLOB,
2427 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TAG,
2428 aba9c984 2019-09-08 stsp GOT_PATH_PROG_READ_GITCONFIG,
2429 257add31 2020-09-09 stsp GOT_PATH_PROG_READ_GOTCONFIG,
2430 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_FETCH_PACK,
2431 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_INDEX_PACK,
2435 c39c25dd 2019-08-09 stsp for (i = 0; i < nitems(helpers); i++) {
2436 c39c25dd 2019-08-09 stsp if (unveil(helpers[i], "x") == 0)
2438 c39c25dd 2019-08-09 stsp return got_error_from_errno2("unveil", helpers[i]);
2441 63219cd2 2019-01-04 stsp return NULL;
2445 aba9c984 2019-09-08 stsp got_privsep_exec_child(int imsg_fds[2], const char *path, const char *repo_path)
2447 08578a35 2021-01-22 stsp if (close(imsg_fds[0]) == -1) {
2448 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
2452 aba9c984 2019-09-08 stsp if (dup2(imsg_fds[1], GOT_IMSG_FD_CHILD) == -1) {
2453 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
2456 aba9c984 2019-09-08 stsp if (closefrom(GOT_IMSG_FD_CHILD + 1) == -1) {
2457 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
2461 aba9c984 2019-09-08 stsp if (execl(path, path, repo_path, (char *)NULL) == -1) {
2462 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s: %s\n", getprogname(), path,
2463 aba9c984 2019-09-08 stsp strerror(errno));
