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 a486b62b 2021-05-18 stsp #include <signal.h>
26 2178c42e 2018-04-22 stsp #include <stdio.h>
27 2178c42e 2018-04-22 stsp #include <stdlib.h>
28 2178c42e 2018-04-22 stsp #include <string.h>
29 2178c42e 2018-04-22 stsp #include <errno.h>
30 2178c42e 2018-04-22 stsp #include <stdint.h>
31 2178c42e 2018-04-22 stsp #include <poll.h>
32 2178c42e 2018-04-22 stsp #include <imsg.h>
33 2178c42e 2018-04-22 stsp #include <sha1.h>
34 81a12da5 2020-09-09 naddy #include <unistd.h>
35 2178c42e 2018-04-22 stsp #include <zlib.h>
36 788c352e 2018-06-16 stsp #include <time.h>
38 2178c42e 2018-04-22 stsp #include "got_object.h"
39 2178c42e 2018-04-22 stsp #include "got_error.h"
40 3022d272 2019-11-14 stsp #include "got_path.h"
41 cd95becd 2019-11-29 stsp #include "got_repository.h"
43 2178c42e 2018-04-22 stsp #include "got_lib_sha1.h"
44 2178c42e 2018-04-22 stsp #include "got_lib_delta.h"
45 63581804 2018-07-09 stsp #include "got_lib_inflate.h"
46 2178c42e 2018-04-22 stsp #include "got_lib_object.h"
47 a440fac0 2018-09-06 stsp #include "got_lib_object_parse.h"
48 2178c42e 2018-04-22 stsp #include "got_lib_privsep.h"
49 876c234b 2018-09-10 stsp #include "got_lib_pack.h"
52 2178c42e 2018-04-22 stsp #define MIN(_a,_b) ((_a) < (_b) ? (_a) : (_b))
55 c39c25dd 2019-08-09 stsp #ifndef nitems
56 c39c25dd 2019-08-09 stsp #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
59 2178c42e 2018-04-22 stsp static const struct got_error *
60 2178c42e 2018-04-22 stsp poll_fd(int fd, int events, int timeout)
62 2178c42e 2018-04-22 stsp struct pollfd pfd[1];
63 a486b62b 2021-05-18 stsp struct timespec ts;
64 a486b62b 2021-05-18 stsp sigset_t sigset;
67 2178c42e 2018-04-22 stsp pfd[0].fd = fd;
68 2178c42e 2018-04-22 stsp pfd[0].events = events;
70 a486b62b 2021-05-18 stsp ts.tv_sec = timeout;
71 a486b62b 2021-05-18 stsp ts.tv_nsec = 0;
73 a486b62b 2021-05-18 stsp if (sigemptyset(&sigset) == -1)
74 a486b62b 2021-05-18 stsp return got_error_from_errno("sigemptyset");
75 a486b62b 2021-05-18 stsp if (sigaddset(&sigset, SIGWINCH) == -1)
76 a486b62b 2021-05-18 stsp return got_error_from_errno("sigaddset");
78 a486b62b 2021-05-18 stsp n = ppoll(pfd, 1, timeout == INFTIM ? NULL : &ts, &sigset);
79 2178c42e 2018-04-22 stsp if (n == -1)
80 932dbee7 2021-05-19 stsp return got_error_from_errno("ppoll");
82 2178c42e 2018-04-22 stsp return got_error(GOT_ERR_TIMEOUT);
83 2178c42e 2018-04-22 stsp if (pfd[0].revents & (POLLERR | POLLNVAL))
84 638f9024 2019-05-13 stsp return got_error_from_errno("poll error");
85 2178c42e 2018-04-22 stsp if (pfd[0].revents & (events | POLLHUP))
86 2178c42e 2018-04-22 stsp return NULL;
88 2178c42e 2018-04-22 stsp return got_error(GOT_ERR_INTERRUPT);
91 c4eae628 2018-04-23 stsp static const struct got_error *
92 e033d803 2018-04-23 stsp read_imsg(struct imsgbuf *ibuf)
94 fe36cf76 2018-04-23 stsp const struct got_error *err;
97 fe36cf76 2018-04-23 stsp err = poll_fd(ibuf->fd, POLLIN, INFTIM);
101 fe36cf76 2018-04-23 stsp n = imsg_read(ibuf);
102 fe36cf76 2018-04-23 stsp if (n == -1) {
103 fe36cf76 2018-04-23 stsp if (errno == EAGAIN) /* Could be a file-descriptor leak. */
104 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_NO_FD);
105 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_READ);
107 fe36cf76 2018-04-23 stsp if (n == 0)
108 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_PIPE);
110 e033d803 2018-04-23 stsp return NULL;
113 ad242220 2018-09-08 stsp const struct got_error *
114 876c234b 2018-09-10 stsp got_privsep_wait_for_child(pid_t pid)
116 876c234b 2018-09-10 stsp int child_status;
118 2cb49fa8 2019-05-10 stsp if (waitpid(pid, &child_status, 0) == -1)
119 638f9024 2019-05-13 stsp return got_error_from_errno("waitpid");
121 876c234b 2018-09-10 stsp if (!WIFEXITED(child_status))
122 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_DIED);
124 876c234b 2018-09-10 stsp if (WEXITSTATUS(child_status) != 0)
125 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_EXIT);
127 876c234b 2018-09-10 stsp return NULL;
130 73b7854a 2018-11-11 stsp static const struct got_error *
131 73b7854a 2018-11-11 stsp recv_imsg_error(struct imsg *imsg, size_t datalen)
133 73b7854a 2018-11-11 stsp struct got_imsg_error *ierr;
135 73b7854a 2018-11-11 stsp if (datalen != sizeof(*ierr))
136 73b7854a 2018-11-11 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
138 73b7854a 2018-11-11 stsp ierr = imsg->data;
139 73b7854a 2018-11-11 stsp if (ierr->code == GOT_ERR_ERRNO) {
140 73b7854a 2018-11-11 stsp static struct got_error serr;
141 73b7854a 2018-11-11 stsp serr.code = GOT_ERR_ERRNO;
142 73b7854a 2018-11-11 stsp serr.msg = strerror(ierr->errno_code);
143 73b7854a 2018-11-11 stsp return &serr;
146 73b7854a 2018-11-11 stsp return got_error(ierr->code);
149 876c234b 2018-09-10 stsp const struct got_error *
150 46de5bfd 2018-11-11 stsp got_privsep_recv_imsg(struct imsg *imsg, struct imsgbuf *ibuf,
151 46de5bfd 2018-11-11 stsp size_t min_datalen)
153 e033d803 2018-04-23 stsp const struct got_error *err;
156 e033d803 2018-04-23 stsp n = imsg_get(ibuf, imsg);
157 876c234b 2018-09-10 stsp if (n == -1)
158 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_get");
160 876c234b 2018-09-10 stsp while (n == 0) {
161 876c234b 2018-09-10 stsp err = read_imsg(ibuf);
163 876c234b 2018-09-10 stsp return err;
164 876c234b 2018-09-10 stsp n = imsg_get(ibuf, imsg);
165 cbfaaf20 2020-01-06 stsp if (n == -1)
166 cbfaaf20 2020-01-06 stsp return got_error_from_errno("imsg_get");
169 fe36cf76 2018-04-23 stsp if (imsg->hdr.len < IMSG_HEADER_SIZE + min_datalen)
170 c4eae628 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
172 73b7854a 2018-11-11 stsp if (imsg->hdr.type == GOT_IMSG_ERROR) {
173 73b7854a 2018-11-11 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
174 73b7854a 2018-11-11 stsp return recv_imsg_error(imsg, datalen);
177 73b7854a 2018-11-11 stsp return NULL;
180 2178c42e 2018-04-22 stsp /* Attempt to send an error in an imsg. Complain on stderr as a last resort. */
182 2178c42e 2018-04-22 stsp got_privsep_send_error(struct imsgbuf *ibuf, const struct got_error *err)
184 2178c42e 2018-04-22 stsp const struct got_error *poll_err;
185 2178c42e 2018-04-22 stsp struct got_imsg_error ierr;
188 2178c42e 2018-04-22 stsp ierr.code = err->code;
189 2178c42e 2018-04-22 stsp if (err->code == GOT_ERR_ERRNO)
190 2178c42e 2018-04-22 stsp ierr.errno_code = errno;
192 2178c42e 2018-04-22 stsp ierr.errno_code = 0;
193 2178c42e 2018-04-22 stsp ret = imsg_compose(ibuf, GOT_IMSG_ERROR, 0, 0, -1, &ierr, sizeof(ierr));
194 e93cd828 2018-11-11 stsp if (ret == -1) {
195 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_compose: %s\n",
196 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
200 2178c42e 2018-04-22 stsp poll_err = poll_fd(ibuf->fd, POLLOUT, INFTIM);
201 5d43e84d 2018-04-23 stsp if (poll_err) {
202 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": poll: %s\n",
203 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, poll_err->msg);
207 2178c42e 2018-04-22 stsp ret = imsg_flush(ibuf);
208 5d43e84d 2018-04-23 stsp if (ret == -1) {
209 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_flush: %s\n",
210 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
215 e033d803 2018-04-23 stsp static const struct got_error *
216 e033d803 2018-04-23 stsp flush_imsg(struct imsgbuf *ibuf)
218 e033d803 2018-04-23 stsp const struct got_error *err;
220 e033d803 2018-04-23 stsp err = poll_fd(ibuf->fd, POLLOUT, INFTIM);
222 e033d803 2018-04-23 stsp return err;
224 e033d803 2018-04-23 stsp if (imsg_flush(ibuf) == -1)
225 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_flush");
227 e033d803 2018-04-23 stsp return NULL;
230 ad242220 2018-09-08 stsp const struct got_error *
231 e70bf110 2020-03-22 stsp got_privsep_flush_imsg(struct imsgbuf *ibuf)
233 e70bf110 2020-03-22 stsp return flush_imsg(ibuf);
236 e70bf110 2020-03-22 stsp const struct got_error *
237 ad242220 2018-09-08 stsp got_privsep_send_stop(int fd)
239 ad242220 2018-09-08 stsp const struct got_error *err = NULL;
240 ad242220 2018-09-08 stsp struct imsgbuf ibuf;
242 ad242220 2018-09-08 stsp imsg_init(&ibuf, fd);
244 ad242220 2018-09-08 stsp if (imsg_compose(&ibuf, GOT_IMSG_STOP, 0, 0, -1, NULL, 0) == -1)
245 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose STOP");
247 ad242220 2018-09-08 stsp err = flush_imsg(&ibuf);
248 ad242220 2018-09-08 stsp imsg_clear(&ibuf);
249 ad242220 2018-09-08 stsp return err;
252 93658fb9 2020-03-18 stsp const struct got_error *
253 aea5f015 2018-12-24 stsp got_privsep_send_obj_req(struct imsgbuf *ibuf, int fd)
255 aea5f015 2018-12-24 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT_REQUEST, 0, 0, fd, NULL, 0)
257 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT_REQUEST");
259 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
262 59d1e4a0 2021-03-10 stsp const struct got_error *
263 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj_req(struct imsgbuf *ibuf, int fd)
265 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_OBJECT_REQUEST, 0, 0, fd, NULL, 0)
267 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose RAW_OBJECT_REQUEST");
269 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
272 59d1e4a0 2021-03-10 stsp const struct got_error *
273 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj_outfd(struct imsgbuf *ibuf, int outfd)
275 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
277 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_OBJECT_OUTFD, 0, 0, outfd, NULL, 0)
279 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_compose RAW_OBJECT_OUTFD");
280 59d1e4a0 2021-03-10 stsp close(outfd);
281 59d1e4a0 2021-03-10 stsp return err;
284 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
287 59d1e4a0 2021-03-10 stsp const struct got_error *
288 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj(struct imsgbuf *ibuf, off_t size, size_t hdrlen,
289 59d1e4a0 2021-03-10 stsp uint8_t *data)
291 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
292 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj iobj;
293 59d1e4a0 2021-03-10 stsp size_t len = sizeof(iobj);
294 59d1e4a0 2021-03-10 stsp struct ibuf *wbuf;
296 59d1e4a0 2021-03-10 stsp iobj.hdrlen = hdrlen;
297 59d1e4a0 2021-03-10 stsp iobj.size = size;
299 59d1e4a0 2021-03-10 stsp if (data && size <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX)
300 59d1e4a0 2021-03-10 stsp len += (size_t)size;
302 59d1e4a0 2021-03-10 stsp wbuf = imsg_create(ibuf, GOT_IMSG_RAW_OBJECT, 0, 0, len);
303 59d1e4a0 2021-03-10 stsp if (wbuf == NULL) {
304 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_create RAW_OBJECT");
305 59d1e4a0 2021-03-10 stsp return err;
308 59d1e4a0 2021-03-10 stsp if (imsg_add(wbuf, &iobj, sizeof(iobj)) == -1) {
309 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_add RAW_OBJECT");
310 59d1e4a0 2021-03-10 stsp ibuf_free(wbuf);
311 59d1e4a0 2021-03-10 stsp return err;
314 59d1e4a0 2021-03-10 stsp if (data && size <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
315 59d1e4a0 2021-03-10 stsp if (imsg_add(wbuf, data, size) == -1) {
316 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_add RAW_OBJECT");
317 59d1e4a0 2021-03-10 stsp ibuf_free(wbuf);
318 59d1e4a0 2021-03-10 stsp return err;
322 59d1e4a0 2021-03-10 stsp wbuf->fd = -1;
323 59d1e4a0 2021-03-10 stsp imsg_close(ibuf, wbuf);
325 1785f84a 2018-12-23 stsp return flush_imsg(ibuf);
328 1785f84a 2018-12-23 stsp const struct got_error *
329 59d1e4a0 2021-03-10 stsp got_privsep_recv_raw_obj(uint8_t **outbuf, off_t *size, size_t *hdrlen,
330 59d1e4a0 2021-03-10 stsp struct imsgbuf *ibuf)
332 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
333 59d1e4a0 2021-03-10 stsp struct imsg imsg;
334 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj *iobj;
335 59d1e4a0 2021-03-10 stsp size_t datalen;
337 59d1e4a0 2021-03-10 stsp *outbuf = NULL;
339 59d1e4a0 2021-03-10 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
341 59d1e4a0 2021-03-10 stsp return err;
343 59d1e4a0 2021-03-10 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
345 59d1e4a0 2021-03-10 stsp switch (imsg.hdr.type) {
346 59d1e4a0 2021-03-10 stsp case GOT_IMSG_RAW_OBJECT:
347 59d1e4a0 2021-03-10 stsp if (datalen < sizeof(*iobj)) {
348 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
351 59d1e4a0 2021-03-10 stsp iobj = imsg.data;
352 59d1e4a0 2021-03-10 stsp *size = iobj->size;
353 59d1e4a0 2021-03-10 stsp *hdrlen = iobj->hdrlen;
355 59d1e4a0 2021-03-10 stsp if (datalen == sizeof(*iobj)) {
356 59d1e4a0 2021-03-10 stsp /* Data has been written to file descriptor. */
360 59d1e4a0 2021-03-10 stsp if (*size > GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
361 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
365 59d1e4a0 2021-03-10 stsp *outbuf = malloc(*size);
366 59d1e4a0 2021-03-10 stsp if (*outbuf == NULL) {
367 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("malloc");
370 59d1e4a0 2021-03-10 stsp memcpy(*outbuf, imsg.data + sizeof(*iobj), *size);
373 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
377 59d1e4a0 2021-03-10 stsp imsg_free(&imsg);
379 59d1e4a0 2021-03-10 stsp return err;
382 59d1e4a0 2021-03-10 stsp const struct got_error *
383 1785f84a 2018-12-23 stsp got_privsep_send_commit_req(struct imsgbuf *ibuf, int fd,
384 1785f84a 2018-12-23 stsp struct got_object_id *id, int pack_idx)
386 41496140 2019-02-21 stsp const struct got_error *err = NULL;
387 1785f84a 2018-12-23 stsp struct got_imsg_packed_object iobj, *iobjp;
388 1785f84a 2018-12-23 stsp size_t len;
390 1785f84a 2018-12-23 stsp if (id) { /* commit is packed */
391 1785f84a 2018-12-23 stsp iobj.idx = pack_idx;
392 1785f84a 2018-12-23 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
393 1785f84a 2018-12-23 stsp iobjp = &iobj;
394 1785f84a 2018-12-23 stsp len = sizeof(iobj);
396 1785f84a 2018-12-23 stsp iobjp = NULL;
400 1785f84a 2018-12-23 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_REQUEST, 0, 0, fd, iobjp, len)
402 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT_REQUEST");
404 41496140 2019-02-21 stsp return err;
407 13c729f7 2018-12-24 stsp return flush_imsg(ibuf);
410 13c729f7 2018-12-24 stsp const struct got_error *
411 13c729f7 2018-12-24 stsp got_privsep_send_tree_req(struct imsgbuf *ibuf, int fd,
412 13c729f7 2018-12-24 stsp struct got_object_id *id, int pack_idx)
414 41496140 2019-02-21 stsp const struct got_error *err = NULL;
415 7f358e3b 2019-11-23 stsp struct ibuf *wbuf;
416 7f358e3b 2019-11-23 stsp size_t len = id ? sizeof(struct got_imsg_packed_object) : 0;
418 7f358e3b 2019-11-23 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_REQUEST, 0, 0, len);
419 7f358e3b 2019-11-23 stsp if (wbuf == NULL)
420 7f358e3b 2019-11-23 stsp return got_error_from_errno("imsg_create TREE_REQUEST");
422 13c729f7 2018-12-24 stsp if (id) { /* tree is packed */
423 7f358e3b 2019-11-23 stsp if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1) {
424 7f358e3b 2019-11-23 stsp err = got_error_from_errno("imsg_add TREE_ENTRY");
425 7f358e3b 2019-11-23 stsp ibuf_free(wbuf);
426 7f358e3b 2019-11-23 stsp return err;
429 7f358e3b 2019-11-23 stsp if (imsg_add(wbuf, &pack_idx, sizeof(pack_idx)) == -1) {
430 7f358e3b 2019-11-23 stsp err = got_error_from_errno("imsg_add TREE_ENTRY");
431 7f358e3b 2019-11-23 stsp ibuf_free(wbuf);
432 7f358e3b 2019-11-23 stsp return err;
436 7f358e3b 2019-11-23 stsp wbuf->fd = fd;
437 7f358e3b 2019-11-23 stsp imsg_close(ibuf, wbuf);
439 268f7291 2018-12-24 stsp return flush_imsg(ibuf);
442 268f7291 2018-12-24 stsp const struct got_error *
443 268f7291 2018-12-24 stsp got_privsep_send_tag_req(struct imsgbuf *ibuf, int fd,
444 268f7291 2018-12-24 stsp struct got_object_id *id, int pack_idx)
446 268f7291 2018-12-24 stsp struct got_imsg_packed_object iobj, *iobjp;
447 268f7291 2018-12-24 stsp size_t len;
449 268f7291 2018-12-24 stsp if (id) { /* tag is packed */
450 268f7291 2018-12-24 stsp iobj.idx = pack_idx;
451 268f7291 2018-12-24 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
452 268f7291 2018-12-24 stsp iobjp = &iobj;
453 268f7291 2018-12-24 stsp len = sizeof(iobj);
455 268f7291 2018-12-24 stsp iobjp = NULL;
459 268f7291 2018-12-24 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_REQUEST, 0, 0, fd, iobjp, len)
461 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose TAG_REQUEST");
463 7762fe12 2018-11-05 stsp return flush_imsg(ibuf);
466 7762fe12 2018-11-05 stsp const struct got_error *
467 ebc55e2d 2018-12-24 stsp got_privsep_send_blob_req(struct imsgbuf *ibuf, int infd,
468 ebc55e2d 2018-12-24 stsp struct got_object_id *id, int pack_idx)
470 41496140 2019-02-21 stsp const struct got_error *err = NULL;
471 ebc55e2d 2018-12-24 stsp struct got_imsg_packed_object iobj, *iobjp;
472 ebc55e2d 2018-12-24 stsp size_t len;
474 ebc55e2d 2018-12-24 stsp if (id) { /* blob is packed */
475 ebc55e2d 2018-12-24 stsp iobj.idx = pack_idx;
476 ebc55e2d 2018-12-24 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
477 ebc55e2d 2018-12-24 stsp iobjp = &iobj;
478 ebc55e2d 2018-12-24 stsp len = sizeof(iobj);
480 ebc55e2d 2018-12-24 stsp iobjp = NULL;
484 ebc55e2d 2018-12-24 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_REQUEST, 0, 0, infd, iobjp, len)
486 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_REQUEST");
487 41496140 2019-02-21 stsp close(infd);
488 41496140 2019-02-21 stsp return err;
491 55da3778 2018-09-10 stsp return flush_imsg(ibuf);
494 55da3778 2018-09-10 stsp const struct got_error *
495 55da3778 2018-09-10 stsp got_privsep_send_blob_outfd(struct imsgbuf *ibuf, int outfd)
497 41496140 2019-02-21 stsp const struct got_error *err = NULL;
499 ad242220 2018-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_OUTFD, 0, 0, outfd, NULL, 0)
501 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_OUTFD");
502 41496140 2019-02-21 stsp close(outfd);
503 41496140 2019-02-21 stsp return err;
506 3840f4c9 2018-09-12 stsp return flush_imsg(ibuf);
509 73ab1060 2020-03-18 stsp static const struct got_error *
510 73ab1060 2020-03-18 stsp send_fd(struct imsgbuf *ibuf, int imsg_code, int fd)
512 41496140 2019-02-21 stsp const struct got_error *err = NULL;
514 73ab1060 2020-03-18 stsp if (imsg_compose(ibuf, imsg_code, 0, 0, fd, NULL, 0) == -1) {
515 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TMPFD");
517 41496140 2019-02-21 stsp return err;
520 ad242220 2018-09-08 stsp return flush_imsg(ibuf);
523 ad242220 2018-09-08 stsp const struct got_error *
524 73ab1060 2020-03-18 stsp got_privsep_send_tmpfd(struct imsgbuf *ibuf, int fd)
526 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_TMPFD, fd);
529 73ab1060 2020-03-18 stsp const struct got_error *
530 876c234b 2018-09-10 stsp got_privsep_send_obj(struct imsgbuf *ibuf, struct got_object *obj)
532 2178c42e 2018-04-22 stsp struct got_imsg_object iobj;
534 c59b3346 2018-09-11 stsp memcpy(iobj.id, obj->id.sha1, sizeof(iobj.id));
535 2178c42e 2018-04-22 stsp iobj.type = obj->type;
536 2178c42e 2018-04-22 stsp iobj.flags = obj->flags;
537 2178c42e 2018-04-22 stsp iobj.hdrlen = obj->hdrlen;
538 2178c42e 2018-04-22 stsp iobj.size = obj->size;
539 c59b3346 2018-09-11 stsp if (iobj.flags & GOT_OBJ_FLAG_PACKED) {
540 876c234b 2018-09-10 stsp iobj.pack_offset = obj->pack_offset;
541 c59b3346 2018-09-11 stsp iobj.pack_idx = obj->pack_idx;
544 2178c42e 2018-04-22 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT, 0, 0, -1, &iobj, sizeof(iobj))
546 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT");
548 c59b3346 2018-09-11 stsp return flush_imsg(ibuf);
551 cfd633c2 2018-09-10 stsp const struct got_error *
552 33501562 2020-03-18 stsp got_privsep_send_fetch_req(struct imsgbuf *ibuf, int fd,
553 4ba14133 2020-03-20 stsp struct got_pathlist_head *have_refs, int fetch_all_branches,
554 0e4002ca 2020-03-21 stsp struct got_pathlist_head *wanted_branches,
555 0e4002ca 2020-03-21 stsp struct got_pathlist_head *wanted_refs, int list_refs_only, int verbosity)
557 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
558 33501562 2020-03-18 stsp struct ibuf *wbuf;
559 4ba14133 2020-03-20 stsp size_t len;
560 33501562 2020-03-18 stsp struct got_pathlist_entry *pe;
561 4ba14133 2020-03-20 stsp struct got_imsg_fetch_request fetchreq;
563 4ba14133 2020-03-20 stsp memset(&fetchreq, 0, sizeof(fetchreq));
564 4ba14133 2020-03-20 stsp fetchreq.fetch_all_branches = fetch_all_branches;
565 41b0de12 2020-03-21 stsp fetchreq.list_refs_only = list_refs_only;
566 2690194b 2020-03-21 stsp fetchreq.verbosity = verbosity;
567 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, have_refs, entry)
568 4ba14133 2020-03-20 stsp fetchreq.n_have_refs++;
569 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry)
570 4ba14133 2020-03-20 stsp fetchreq.n_wanted_branches++;
571 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry)
572 0e4002ca 2020-03-21 stsp fetchreq.n_wanted_refs++;
573 659e7fbd 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_request);
574 33501562 2020-03-18 stsp if (len >= MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
576 33501562 2020-03-18 stsp return got_error(GOT_ERR_NO_SPACE);
579 4ba14133 2020-03-20 stsp if (imsg_compose(ibuf, GOT_IMSG_FETCH_REQUEST, 0, 0, fd,
580 4ba14133 2020-03-20 stsp &fetchreq, sizeof(fetchreq)) == -1)
581 4ba14133 2020-03-20 stsp return got_error_from_errno(
582 4ba14133 2020-03-20 stsp "imsg_compose FETCH_SERVER_PROGRESS");
584 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
587 659e7fbd 2020-03-20 stsp return err;
591 33501562 2020-03-18 stsp TAILQ_FOREACH(pe, have_refs, entry) {
592 33501562 2020-03-18 stsp const char *name = pe->path;
593 33501562 2020-03-18 stsp size_t name_len = pe->path_len;
594 33501562 2020-03-18 stsp struct got_object_id *id = pe->data;
596 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_have_ref) + name_len;
597 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_HAVE_REF, 0, 0, len);
598 4ba14133 2020-03-20 stsp if (wbuf == NULL)
599 4ba14133 2020-03-20 stsp return got_error_from_errno("imsg_create FETCH_HAVE_REF");
601 33501562 2020-03-18 stsp /* Keep in sync with struct got_imsg_fetch_have_ref! */
602 33501562 2020-03-18 stsp if (imsg_add(wbuf, id->sha1, sizeof(id->sha1)) == -1) {
603 4ba14133 2020-03-20 stsp err = got_error_from_errno("imsg_add FETCH_HAVE_REF");
604 33501562 2020-03-18 stsp ibuf_free(wbuf);
605 33501562 2020-03-18 stsp return err;
607 33501562 2020-03-18 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1) {
608 4ba14133 2020-03-20 stsp err = got_error_from_errno("imsg_add FETCH_HAVE_REF");
609 33501562 2020-03-18 stsp ibuf_free(wbuf);
610 33501562 2020-03-18 stsp return err;
612 33501562 2020-03-18 stsp if (imsg_add(wbuf, name, name_len) == -1) {
613 4ba14133 2020-03-20 stsp err = got_error_from_errno("imsg_add FETCH_HAVE_REF");
614 33501562 2020-03-18 stsp ibuf_free(wbuf);
615 33501562 2020-03-18 stsp return err;
618 4ba14133 2020-03-20 stsp wbuf->fd = -1;
619 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
620 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
622 4ba14133 2020-03-20 stsp return err;
625 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry) {
626 4ba14133 2020-03-20 stsp const char *name = pe->path;
627 4ba14133 2020-03-20 stsp size_t name_len = pe->path_len;
629 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_wanted_branch) + name_len;
630 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_BRANCH, 0, 0,
632 4ba14133 2020-03-20 stsp if (wbuf == NULL)
633 4ba14133 2020-03-20 stsp return got_error_from_errno(
634 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_BRANCH");
636 4ba14133 2020-03-20 stsp /* Keep in sync with struct got_imsg_fetch_wanted_branch! */
637 4ba14133 2020-03-20 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1) {
638 4ba14133 2020-03-20 stsp err = got_error_from_errno(
639 4ba14133 2020-03-20 stsp "imsg_add FETCH_WANTED_BRANCH");
640 4ba14133 2020-03-20 stsp ibuf_free(wbuf);
641 4ba14133 2020-03-20 stsp return err;
643 4ba14133 2020-03-20 stsp if (imsg_add(wbuf, name, name_len) == -1) {
644 4ba14133 2020-03-20 stsp err = got_error_from_errno(
645 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_BRANCH");
646 4ba14133 2020-03-20 stsp ibuf_free(wbuf);
647 4ba14133 2020-03-20 stsp return err;
650 4ba14133 2020-03-20 stsp wbuf->fd = -1;
651 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
652 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
654 4ba14133 2020-03-20 stsp return err;
657 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry) {
658 0e4002ca 2020-03-21 stsp const char *name = pe->path;
659 0e4002ca 2020-03-21 stsp size_t name_len = pe->path_len;
661 0e4002ca 2020-03-21 stsp len = sizeof(struct got_imsg_fetch_wanted_ref) + name_len;
662 0e4002ca 2020-03-21 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_REF, 0, 0,
664 0e4002ca 2020-03-21 stsp if (wbuf == NULL)
665 0e4002ca 2020-03-21 stsp return got_error_from_errno(
666 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_REF");
668 0e4002ca 2020-03-21 stsp /* Keep in sync with struct got_imsg_fetch_wanted_ref! */
669 0e4002ca 2020-03-21 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1) {
670 0e4002ca 2020-03-21 stsp err = got_error_from_errno(
671 0e4002ca 2020-03-21 stsp "imsg_add FETCH_WANTED_REF");
672 0e4002ca 2020-03-21 stsp ibuf_free(wbuf);
673 0e4002ca 2020-03-21 stsp return err;
675 0e4002ca 2020-03-21 stsp if (imsg_add(wbuf, name, name_len) == -1) {
676 0e4002ca 2020-03-21 stsp err = got_error_from_errno(
677 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_REF");
678 0e4002ca 2020-03-21 stsp ibuf_free(wbuf);
679 0e4002ca 2020-03-21 stsp return err;
682 0e4002ca 2020-03-21 stsp wbuf->fd = -1;
683 0e4002ca 2020-03-21 stsp imsg_close(ibuf, wbuf);
684 0e4002ca 2020-03-21 stsp err = flush_imsg(ibuf);
686 0e4002ca 2020-03-21 stsp return err;
690 4ba14133 2020-03-20 stsp return NULL;
694 93658fb9 2020-03-18 stsp const struct got_error *
695 f826addf 2020-03-18 stsp got_privsep_send_fetch_outfd(struct imsgbuf *ibuf, int fd)
697 f826addf 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_FETCH_OUTFD, fd);
700 531c3985 2020-03-18 stsp const struct got_error *
701 8f2d01a6 2020-03-18 stsp got_privsep_recv_fetch_progress(int *done, struct got_object_id **id,
702 531c3985 2020-03-18 stsp char **refname, struct got_pathlist_head *symrefs, char **server_progress,
703 1d72a2a0 2020-03-24 stsp off_t *packfile_size, uint8_t *pack_sha1, struct imsgbuf *ibuf)
705 b9f99abf 2020-03-18 stsp const struct got_error *err = NULL;
706 b9f99abf 2020-03-18 stsp struct imsg imsg;
707 b9f99abf 2020-03-18 stsp size_t datalen;
708 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symrefs *isymrefs = NULL;
709 abe0f35f 2020-03-18 stsp size_t n, remain;
714 8f2d01a6 2020-03-18 stsp *id = NULL;
715 b9f99abf 2020-03-18 stsp *refname = NULL;
716 531c3985 2020-03-18 stsp *server_progress = NULL;
717 5a489642 2020-03-19 stsp *packfile_size = 0;
718 1d72a2a0 2020-03-24 stsp memset(pack_sha1, 0, SHA1_DIGEST_LENGTH);
720 531c3985 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
722 b9f99abf 2020-03-18 stsp return err;
724 b9f99abf 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
725 b9f99abf 2020-03-18 stsp switch (imsg.hdr.type) {
726 b9f99abf 2020-03-18 stsp case GOT_IMSG_ERROR:
727 531c3985 2020-03-18 stsp if (datalen < sizeof(struct got_imsg_error)) {
728 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
731 b9f99abf 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
733 abe0f35f 2020-03-18 stsp case GOT_IMSG_FETCH_SYMREFS:
734 abe0f35f 2020-03-18 stsp if (datalen < sizeof(*isymrefs)) {
735 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
738 abe0f35f 2020-03-18 stsp if (isymrefs != NULL) {
739 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
742 abe0f35f 2020-03-18 stsp isymrefs = (struct got_imsg_fetch_symrefs *)imsg.data;
743 abe0f35f 2020-03-18 stsp off = sizeof(*isymrefs);
744 abe0f35f 2020-03-18 stsp remain = datalen - off;
745 abe0f35f 2020-03-18 stsp for (n = 0; n < isymrefs->nsymrefs; n++) {
746 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symref *s;
747 abe0f35f 2020-03-18 stsp char *name, *target;
748 abe0f35f 2020-03-18 stsp if (remain < sizeof(struct got_imsg_fetch_symref)) {
749 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
752 abe0f35f 2020-03-18 stsp s = (struct got_imsg_fetch_symref *)(imsg.data + off);
753 abe0f35f 2020-03-18 stsp off += sizeof(*s);
754 abe0f35f 2020-03-18 stsp remain -= sizeof(*s);
755 abe0f35f 2020-03-18 stsp if (remain < s->name_len) {
756 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
759 abe0f35f 2020-03-18 stsp name = strndup(imsg.data + off, s->name_len);
760 abe0f35f 2020-03-18 stsp if (name == NULL) {
761 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
764 abe0f35f 2020-03-18 stsp off += s->name_len;
765 abe0f35f 2020-03-18 stsp remain -= s->name_len;
766 abe0f35f 2020-03-18 stsp if (remain < s->target_len) {
767 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
768 abe0f35f 2020-03-18 stsp free(name);
771 abe0f35f 2020-03-18 stsp target = strndup(imsg.data + off, s->target_len);
772 abe0f35f 2020-03-18 stsp if (target == NULL) {
773 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
774 abe0f35f 2020-03-18 stsp free(name);
777 abe0f35f 2020-03-18 stsp off += s->target_len;
778 abe0f35f 2020-03-18 stsp remain -= s->target_len;
779 abe0f35f 2020-03-18 stsp err = got_pathlist_append(symrefs, name, target);
781 abe0f35f 2020-03-18 stsp free(name);
782 abe0f35f 2020-03-18 stsp free(target);
787 ea7396b9 2020-03-18 stsp case GOT_IMSG_FETCH_REF:
788 531c3985 2020-03-18 stsp if (datalen <= SHA1_DIGEST_LENGTH) {
789 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
792 8f2d01a6 2020-03-18 stsp *id = malloc(sizeof(**id));
793 8f2d01a6 2020-03-18 stsp if (*id == NULL) {
794 b9f99abf 2020-03-18 stsp err = got_error_from_errno("malloc");
797 8f2d01a6 2020-03-18 stsp memcpy((*id)->sha1, imsg.data, SHA1_DIGEST_LENGTH);
798 b9f99abf 2020-03-18 stsp *refname = strndup(imsg.data + SHA1_DIGEST_LENGTH,
799 b9f99abf 2020-03-18 stsp datalen - SHA1_DIGEST_LENGTH);
800 b9f99abf 2020-03-18 stsp if (*refname == NULL) {
801 b9f99abf 2020-03-18 stsp err = got_error_from_errno("strndup");
805 531c3985 2020-03-18 stsp case GOT_IMSG_FETCH_SERVER_PROGRESS:
806 531c3985 2020-03-18 stsp if (datalen == 0) {
807 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
810 531c3985 2020-03-18 stsp *server_progress = strndup(imsg.data, datalen);
811 531c3985 2020-03-18 stsp if (*server_progress == NULL) {
812 531c3985 2020-03-18 stsp err = got_error_from_errno("strndup");
815 531c3985 2020-03-18 stsp for (i = 0; i < datalen; i++) {
816 531c3985 2020-03-18 stsp if (!isprint((unsigned char)(*server_progress)[i]) &&
817 531c3985 2020-03-18 stsp !isspace((unsigned char)(*server_progress)[i])) {
818 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
819 531c3985 2020-03-18 stsp free(*server_progress);
820 531c3985 2020-03-18 stsp *server_progress = NULL;
825 d2cdc636 2020-03-18 stsp case GOT_IMSG_FETCH_DOWNLOAD_PROGRESS:
826 d2cdc636 2020-03-18 stsp if (datalen < sizeof(*packfile_size)) {
827 d2cdc636 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
830 d2cdc636 2020-03-18 stsp memcpy(packfile_size, imsg.data, sizeof(*packfile_size));
832 8f2d01a6 2020-03-18 stsp case GOT_IMSG_FETCH_DONE:
833 8f2d01a6 2020-03-18 stsp if (datalen != SHA1_DIGEST_LENGTH) {
834 8f2d01a6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
837 1d72a2a0 2020-03-24 stsp memcpy(pack_sha1, imsg.data, SHA1_DIGEST_LENGTH);
841 b887aab6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
847 8f2d01a6 2020-03-18 stsp *id = NULL;
848 b887aab6 2020-03-18 stsp free(*refname);
849 b887aab6 2020-03-18 stsp *refname = NULL;
851 b9f99abf 2020-03-18 stsp imsg_free(&imsg);
852 b9f99abf 2020-03-18 stsp return err;
855 93658fb9 2020-03-18 stsp const struct got_error *
856 fd251256 2020-03-24 stsp got_privsep_send_index_pack_req(struct imsgbuf *ibuf, uint8_t *pack_sha1,
859 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
861 668a20f6 2020-03-18 stsp /* Keep in sync with struct got_imsg_index_pack_request */
862 93658fb9 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_IDXPACK_REQUEST, 0, 0, fd,
863 fd251256 2020-03-24 stsp pack_sha1, SHA1_DIGEST_LENGTH) == -1) {
864 93658fb9 2020-03-18 stsp err = got_error_from_errno("imsg_compose INDEX_REQUEST");
866 93658fb9 2020-03-18 stsp return err;
868 baa9fea0 2020-03-18 stsp return flush_imsg(ibuf);
871 baa9fea0 2020-03-18 stsp const struct got_error *
872 73ab1060 2020-03-18 stsp got_privsep_send_index_pack_outfd(struct imsgbuf *ibuf, int fd)
874 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_IDXPACK_OUTFD, fd);
877 73ab1060 2020-03-18 stsp const struct got_error *
878 668a20f6 2020-03-18 stsp got_privsep_recv_index_progress(int *done, int *nobj_total,
879 668a20f6 2020-03-18 stsp int *nobj_indexed, int *nobj_loose, int *nobj_resolved,
880 668a20f6 2020-03-18 stsp struct imsgbuf *ibuf)
882 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
883 93658fb9 2020-03-18 stsp struct imsg imsg;
884 baa9fea0 2020-03-18 stsp struct got_imsg_index_pack_progress *iprogress;
885 baa9fea0 2020-03-18 stsp size_t datalen;
888 668a20f6 2020-03-18 stsp *nobj_total = 0;
889 668a20f6 2020-03-18 stsp *nobj_indexed = 0;
890 668a20f6 2020-03-18 stsp *nobj_resolved = 0;
892 93658fb9 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
894 93658fb9 2020-03-18 stsp return err;
896 baa9fea0 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
897 baa9fea0 2020-03-18 stsp switch (imsg.hdr.type) {
898 baa9fea0 2020-03-18 stsp case GOT_IMSG_ERROR:
899 baa9fea0 2020-03-18 stsp if (datalen < sizeof(struct got_imsg_error)) {
900 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
903 baa9fea0 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
905 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_PROGRESS:
906 baa9fea0 2020-03-18 stsp if (datalen < sizeof(*iprogress)) {
907 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
910 baa9fea0 2020-03-18 stsp iprogress = (struct got_imsg_index_pack_progress *)imsg.data;
911 668a20f6 2020-03-18 stsp *nobj_total = iprogress->nobj_total;
912 668a20f6 2020-03-18 stsp *nobj_indexed = iprogress->nobj_indexed;
913 668a20f6 2020-03-18 stsp *nobj_loose = iprogress->nobj_loose;
914 668a20f6 2020-03-18 stsp *nobj_resolved = iprogress->nobj_resolved;
916 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_DONE:
917 baa9fea0 2020-03-18 stsp if (datalen != 0) {
918 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
924 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
928 93658fb9 2020-03-18 stsp imsg_free(&imsg);
929 baa9fea0 2020-03-18 stsp return err;
932 93658fb9 2020-03-18 stsp const struct got_error *
933 cfd633c2 2018-09-10 stsp got_privsep_get_imsg_obj(struct got_object **obj, struct imsg *imsg,
934 cfd633c2 2018-09-10 stsp struct imsgbuf *ibuf)
936 cfd633c2 2018-09-10 stsp const struct got_error *err = NULL;
937 291624d8 2018-11-07 stsp struct got_imsg_object *iobj;
938 cfd633c2 2018-09-10 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
940 291624d8 2018-11-07 stsp if (datalen != sizeof(*iobj))
941 cfd633c2 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
942 291624d8 2018-11-07 stsp iobj = imsg->data;
944 cfd633c2 2018-09-10 stsp *obj = calloc(1, sizeof(**obj));
945 cfd633c2 2018-09-10 stsp if (*obj == NULL)
946 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
948 291624d8 2018-11-07 stsp memcpy((*obj)->id.sha1, iobj->id, SHA1_DIGEST_LENGTH);
949 291624d8 2018-11-07 stsp (*obj)->type = iobj->type;
950 291624d8 2018-11-07 stsp (*obj)->flags = iobj->flags;
951 291624d8 2018-11-07 stsp (*obj)->hdrlen = iobj->hdrlen;
952 291624d8 2018-11-07 stsp (*obj)->size = iobj->size;
953 c59b3346 2018-09-11 stsp /* path_packfile is handled by caller */
954 291624d8 2018-11-07 stsp if (iobj->flags & GOT_OBJ_FLAG_PACKED) {
955 291624d8 2018-11-07 stsp (*obj)->pack_offset = iobj->pack_offset;
956 291624d8 2018-11-07 stsp (*obj)->pack_idx = iobj->pack_idx;
959 876c234b 2018-09-10 stsp return err;
962 2178c42e 2018-04-22 stsp const struct got_error *
963 2178c42e 2018-04-22 stsp got_privsep_recv_obj(struct got_object **obj, struct imsgbuf *ibuf)
965 2178c42e 2018-04-22 stsp const struct got_error *err = NULL;
966 2178c42e 2018-04-22 stsp struct imsg imsg;
967 c4eae628 2018-04-23 stsp const size_t min_datalen =
968 c4eae628 2018-04-23 stsp MIN(sizeof(struct got_imsg_error), sizeof(struct got_imsg_object));
970 2178c42e 2018-04-22 stsp *obj = NULL;
972 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
974 2178c42e 2018-04-22 stsp return err;
976 2178c42e 2018-04-22 stsp switch (imsg.hdr.type) {
977 2178c42e 2018-04-22 stsp case GOT_IMSG_OBJECT:
978 cfd633c2 2018-09-10 stsp err = got_privsep_get_imsg_obj(obj, &imsg, ibuf);
981 bff6ca00 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
985 bff6ca00 2018-04-23 stsp imsg_free(&imsg);
987 bff6ca00 2018-04-23 stsp return err;
990 c75f7264 2018-09-11 stsp static const struct got_error *
991 c75f7264 2018-09-11 stsp send_commit_logmsg(struct imsgbuf *ibuf, struct got_commit_object *commit,
992 c75f7264 2018-09-11 stsp size_t logmsg_len)
994 fa4ffeb3 2018-11-04 stsp const struct got_error *err = NULL;
995 c75f7264 2018-09-11 stsp size_t offset, remain;
997 c75f7264 2018-09-11 stsp offset = 0;
998 c75f7264 2018-09-11 stsp remain = logmsg_len;
999 c75f7264 2018-09-11 stsp while (remain > 0) {
1000 c75f7264 2018-09-11 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1002 c75f7264 2018-09-11 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_LOGMSG, 0, 0, -1,
1003 fa4ffeb3 2018-11-04 stsp commit->logmsg + offset, n) == -1) {
1004 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose "
1005 230a42bd 2019-05-11 jcs "COMMIT_LOGMSG");
1009 fa4ffeb3 2018-11-04 stsp err = flush_imsg(ibuf);
1013 c75f7264 2018-09-11 stsp offset += n;
1014 c75f7264 2018-09-11 stsp remain -= n;
1017 fa4ffeb3 2018-11-04 stsp return err;
1020 bff6ca00 2018-04-23 stsp const struct got_error *
1021 068fd2bf 2018-04-24 stsp got_privsep_send_commit(struct imsgbuf *ibuf, struct got_commit_object *commit)
1023 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1024 b9c33926 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1025 bff6ca00 2018-04-23 stsp uint8_t *buf;
1026 bff6ca00 2018-04-23 stsp size_t len, total;
1027 79f35eb3 2018-06-11 stsp struct got_object_qid *qid;
1028 b9c33926 2018-11-07 stsp size_t author_len = strlen(commit->author);
1029 b9c33926 2018-11-07 stsp size_t committer_len = strlen(commit->committer);
1030 c75f7264 2018-09-11 stsp size_t logmsg_len = strlen(commit->logmsg);
1032 b9c33926 2018-11-07 stsp total = sizeof(*icommit) + author_len + committer_len +
1033 b9c33926 2018-11-07 stsp commit->nparents * SHA1_DIGEST_LENGTH;
1035 bff6ca00 2018-04-23 stsp buf = malloc(total);
1036 bff6ca00 2018-04-23 stsp if (buf == NULL)
1037 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1039 b9c33926 2018-11-07 stsp icommit = (struct got_imsg_commit_object *)buf;
1040 a7403916 2018-12-24 stsp memcpy(icommit->tree_id, commit->tree_id->sha1,
1041 a7403916 2018-12-24 stsp sizeof(icommit->tree_id));
1042 b9c33926 2018-11-07 stsp icommit->author_len = author_len;
1043 b9c33926 2018-11-07 stsp icommit->author_time = commit->author_time;
1044 b9c33926 2018-11-07 stsp icommit->author_gmtoff = commit->author_gmtoff;
1045 b9c33926 2018-11-07 stsp icommit->committer_len = committer_len;
1046 b9c33926 2018-11-07 stsp icommit->committer_time = commit->committer_time;
1047 b9c33926 2018-11-07 stsp icommit->committer_gmtoff = commit->committer_gmtoff;
1048 b9c33926 2018-11-07 stsp icommit->logmsg_len = logmsg_len;
1049 b9c33926 2018-11-07 stsp icommit->nparents = commit->nparents;
1051 b9c33926 2018-11-07 stsp len = sizeof(*icommit);
1052 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->author, author_len);
1053 b9c33926 2018-11-07 stsp len += author_len;
1054 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->committer, committer_len);
1055 b9c33926 2018-11-07 stsp len += committer_len;
1056 79f35eb3 2018-06-11 stsp SIMPLEQ_FOREACH(qid, &commit->parent_ids, entry) {
1057 79f35eb3 2018-06-11 stsp memcpy(buf + len, qid->id, SHA1_DIGEST_LENGTH);
1058 86acc566 2018-04-23 stsp len += SHA1_DIGEST_LENGTH;
1061 bff6ca00 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT, 0, 0, -1, buf, len) == -1) {
1062 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT");
1063 bff6ca00 2018-04-23 stsp goto done;
1066 904df868 2018-11-04 stsp if (logmsg_len == 0 ||
1067 904df868 2018-11-04 stsp logmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1068 904df868 2018-11-04 stsp err = flush_imsg(ibuf);
1070 904df868 2018-11-04 stsp goto done;
1072 c75f7264 2018-09-11 stsp err = send_commit_logmsg(ibuf, commit, logmsg_len);
1074 bff6ca00 2018-04-23 stsp free(buf);
1075 bff6ca00 2018-04-23 stsp return err;
1078 ca6e02ac 2020-01-07 stsp static const struct got_error *
1079 ca6e02ac 2020-01-07 stsp get_commit_from_imsg(struct got_commit_object **commit,
1080 ca6e02ac 2020-01-07 stsp struct imsg *imsg, size_t datalen, struct imsgbuf *ibuf)
1082 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1083 291624d8 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1084 ca6e02ac 2020-01-07 stsp size_t len = 0;
1087 ca6e02ac 2020-01-07 stsp if (datalen < sizeof(*icommit))
1088 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1090 ca6e02ac 2020-01-07 stsp icommit = imsg->data;
1091 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommit) + icommit->author_len +
1092 ca6e02ac 2020-01-07 stsp icommit->committer_len +
1093 ca6e02ac 2020-01-07 stsp icommit->nparents * SHA1_DIGEST_LENGTH)
1094 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1096 ca6e02ac 2020-01-07 stsp if (icommit->nparents < 0)
1097 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1099 ca6e02ac 2020-01-07 stsp len += sizeof(*icommit);
1101 ca6e02ac 2020-01-07 stsp *commit = got_object_commit_alloc_partial();
1102 ca6e02ac 2020-01-07 stsp if (*commit == NULL)
1103 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
1104 ca6e02ac 2020-01-07 stsp "got_object_commit_alloc_partial");
1106 ca6e02ac 2020-01-07 stsp memcpy((*commit)->tree_id->sha1, icommit->tree_id,
1107 ca6e02ac 2020-01-07 stsp SHA1_DIGEST_LENGTH);
1108 ca6e02ac 2020-01-07 stsp (*commit)->author_time = icommit->author_time;
1109 ca6e02ac 2020-01-07 stsp (*commit)->author_gmtoff = icommit->author_gmtoff;
1110 ca6e02ac 2020-01-07 stsp (*commit)->committer_time = icommit->committer_time;
1111 ca6e02ac 2020-01-07 stsp (*commit)->committer_gmtoff = icommit->committer_gmtoff;
1113 ca6e02ac 2020-01-07 stsp if (icommit->author_len == 0) {
1114 ca6e02ac 2020-01-07 stsp (*commit)->author = strdup("");
1115 ca6e02ac 2020-01-07 stsp if ((*commit)->author == NULL) {
1116 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1117 ca6e02ac 2020-01-07 stsp goto done;
1120 ca6e02ac 2020-01-07 stsp (*commit)->author = malloc(icommit->author_len + 1);
1121 ca6e02ac 2020-01-07 stsp if ((*commit)->author == NULL) {
1122 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1123 ca6e02ac 2020-01-07 stsp goto done;
1125 ca6e02ac 2020-01-07 stsp memcpy((*commit)->author, imsg->data + len,
1126 ca6e02ac 2020-01-07 stsp icommit->author_len);
1127 ca6e02ac 2020-01-07 stsp (*commit)->author[icommit->author_len] = '\0';
1129 ca6e02ac 2020-01-07 stsp len += icommit->author_len;
1131 ca6e02ac 2020-01-07 stsp if (icommit->committer_len == 0) {
1132 ca6e02ac 2020-01-07 stsp (*commit)->committer = strdup("");
1133 ca6e02ac 2020-01-07 stsp if ((*commit)->committer == NULL) {
1134 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1135 ca6e02ac 2020-01-07 stsp goto done;
1138 ca6e02ac 2020-01-07 stsp (*commit)->committer =
1139 ca6e02ac 2020-01-07 stsp malloc(icommit->committer_len + 1);
1140 ca6e02ac 2020-01-07 stsp if ((*commit)->committer == NULL) {
1141 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1142 ca6e02ac 2020-01-07 stsp goto done;
1144 ca6e02ac 2020-01-07 stsp memcpy((*commit)->committer, imsg->data + len,
1145 ca6e02ac 2020-01-07 stsp icommit->committer_len);
1146 ca6e02ac 2020-01-07 stsp (*commit)->committer[icommit->committer_len] = '\0';
1148 ca6e02ac 2020-01-07 stsp len += icommit->committer_len;
1150 ca6e02ac 2020-01-07 stsp if (icommit->logmsg_len == 0) {
1151 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = strdup("");
1152 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1153 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1154 ca6e02ac 2020-01-07 stsp goto done;
1157 ca6e02ac 2020-01-07 stsp size_t offset = 0, remain = icommit->logmsg_len;
1159 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = malloc(icommit->logmsg_len + 1);
1160 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1161 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1162 ca6e02ac 2020-01-07 stsp goto done;
1164 ca6e02ac 2020-01-07 stsp while (remain > 0) {
1165 ca6e02ac 2020-01-07 stsp struct imsg imsg_log;
1166 ca6e02ac 2020-01-07 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1169 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1171 ca6e02ac 2020-01-07 stsp goto done;
1173 ca6e02ac 2020-01-07 stsp if (imsg_log.hdr.type != GOT_IMSG_COMMIT_LOGMSG) {
1174 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1175 ca6e02ac 2020-01-07 stsp goto done;
1178 ca6e02ac 2020-01-07 stsp memcpy((*commit)->logmsg + offset,
1179 ca6e02ac 2020-01-07 stsp imsg_log.data, n);
1180 ca6e02ac 2020-01-07 stsp imsg_free(&imsg_log);
1181 ca6e02ac 2020-01-07 stsp offset += n;
1182 ca6e02ac 2020-01-07 stsp remain -= n;
1184 ca6e02ac 2020-01-07 stsp (*commit)->logmsg[icommit->logmsg_len] = '\0';
1187 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommit->nparents; i++) {
1188 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
1190 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
1193 ca6e02ac 2020-01-07 stsp memcpy(qid->id, imsg->data + len +
1194 ca6e02ac 2020-01-07 stsp i * SHA1_DIGEST_LENGTH, sizeof(*qid->id));
1195 ca6e02ac 2020-01-07 stsp SIMPLEQ_INSERT_TAIL(&(*commit)->parent_ids, qid, entry);
1196 ca6e02ac 2020-01-07 stsp (*commit)->nparents++;
1199 ca6e02ac 2020-01-07 stsp if (err) {
1200 ca6e02ac 2020-01-07 stsp got_object_commit_close(*commit);
1201 ca6e02ac 2020-01-07 stsp *commit = NULL;
1203 ca6e02ac 2020-01-07 stsp return err;
1206 ca6e02ac 2020-01-07 stsp const struct got_error *
1207 ca6e02ac 2020-01-07 stsp got_privsep_recv_commit(struct got_commit_object **commit, struct imsgbuf *ibuf)
1209 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
1210 ca6e02ac 2020-01-07 stsp struct imsg imsg;
1211 ca6e02ac 2020-01-07 stsp size_t datalen;
1212 ca6e02ac 2020-01-07 stsp const size_t min_datalen =
1213 ca6e02ac 2020-01-07 stsp MIN(sizeof(struct got_imsg_error),
1214 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_object));
1216 ca6e02ac 2020-01-07 stsp *commit = NULL;
1218 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1220 ca6e02ac 2020-01-07 stsp return err;
1222 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1224 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
1225 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
1226 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(commit, &imsg, datalen, ibuf);
1229 8c580685 2018-04-22 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1233 2178c42e 2018-04-22 stsp imsg_free(&imsg);
1235 e033d803 2018-04-23 stsp return err;
1238 e033d803 2018-04-23 stsp const struct got_error *
1239 3022d272 2019-11-14 stsp got_privsep_send_tree(struct imsgbuf *ibuf, struct got_pathlist_head *entries,
1240 3022d272 2019-11-14 stsp int nentries)
1242 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
1243 e033d803 2018-04-23 stsp struct got_imsg_tree_object itree;
1244 3022d272 2019-11-14 stsp struct got_pathlist_entry *pe;
1245 b00c9821 2018-11-04 stsp size_t totlen;
1246 6eb07a17 2018-11-04 stsp int nimsg; /* number of imsg queued in ibuf */
1248 3022d272 2019-11-14 stsp itree.nentries = nentries;
1249 e033d803 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_TREE, 0, 0, -1, &itree, sizeof(itree))
1251 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose TREE");
1253 b00c9821 2018-11-04 stsp totlen = sizeof(itree);
1254 6eb07a17 2018-11-04 stsp nimsg = 1;
1255 3022d272 2019-11-14 stsp TAILQ_FOREACH(pe, entries, entry) {
1256 3022d272 2019-11-14 stsp const char *name = pe->path;
1257 3022d272 2019-11-14 stsp struct got_parsed_tree_entry *pte = pe->data;
1258 3022d272 2019-11-14 stsp struct ibuf *wbuf;
1259 3022d272 2019-11-14 stsp size_t namelen = strlen(name);
1260 cd9e913a 2019-11-27 stsp size_t len = sizeof(struct got_imsg_tree_entry) + namelen;
1262 e033d803 2018-04-23 stsp if (len > MAX_IMSGSIZE)
1263 e033d803 2018-04-23 stsp return got_error(GOT_ERR_NO_SPACE);
1266 6eb07a17 2018-11-04 stsp if (totlen + len >= MAX_IMSGSIZE - (IMSG_HEADER_SIZE * nimsg)) {
1267 b00c9821 2018-11-04 stsp err = flush_imsg(ibuf);
1269 b00c9821 2018-11-04 stsp return err;
1270 6eb07a17 2018-11-04 stsp nimsg = 0;
1273 3022d272 2019-11-14 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_ENTRY, 0, 0, len);
1274 3022d272 2019-11-14 stsp if (wbuf == NULL)
1275 3022d272 2019-11-14 stsp return got_error_from_errno("imsg_create TREE_ENTRY");
1277 3022d272 2019-11-14 stsp /* Keep in sync with struct got_imsg_tree_object definition! */
1278 3b647085 2019-11-23 stsp if (imsg_add(wbuf, pte->id, SHA1_DIGEST_LENGTH) == -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 e033d803 2018-04-23 stsp return err;
1283 3b647085 2019-11-23 stsp if (imsg_add(wbuf, &pte->mode, sizeof(pte->mode)) == -1) {
1284 3022d272 2019-11-14 stsp err = got_error_from_errno("imsg_add TREE_ENTRY");
1285 3b647085 2019-11-23 stsp ibuf_free(wbuf);
1286 3022d272 2019-11-14 stsp return err;
1289 3b647085 2019-11-23 stsp if (imsg_add(wbuf, name, namelen) == -1) {
1290 3022d272 2019-11-14 stsp err = got_error_from_errno("imsg_add TREE_ENTRY");
1291 3b647085 2019-11-23 stsp ibuf_free(wbuf);
1292 3022d272 2019-11-14 stsp return err;
1295 3022d272 2019-11-14 stsp wbuf->fd = -1;
1296 3022d272 2019-11-14 stsp imsg_close(ibuf, wbuf);
1298 b00c9821 2018-11-04 stsp totlen += len;
1301 b00c9821 2018-11-04 stsp return flush_imsg(ibuf);
1304 e033d803 2018-04-23 stsp const struct got_error *
1305 068fd2bf 2018-04-24 stsp got_privsep_recv_tree(struct got_tree_object **tree, struct imsgbuf *ibuf)
1307 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
1308 e033d803 2018-04-23 stsp const size_t min_datalen =
1309 e033d803 2018-04-23 stsp MIN(sizeof(struct got_imsg_error),
1310 e033d803 2018-04-23 stsp sizeof(struct got_imsg_tree_object));
1311 291624d8 2018-11-07 stsp struct got_imsg_tree_object *itree;
1312 e033d803 2018-04-23 stsp int nentries = 0;
1314 e033d803 2018-04-23 stsp *tree = NULL;
1316 e033d803 2018-04-23 stsp err = read_imsg(ibuf);
1318 1e51f5b9 2018-04-23 stsp goto done;
1321 e033d803 2018-04-23 stsp struct imsg imsg;
1323 e033d803 2018-04-23 stsp size_t datalen;
1324 c0588d8d 2018-11-07 stsp struct got_imsg_tree_entry *ite;
1325 e033d803 2018-04-23 stsp struct got_tree_entry *te = NULL;
1327 e033d803 2018-04-23 stsp n = imsg_get(ibuf, &imsg);
1328 e033d803 2018-04-23 stsp if (n == 0) {
1329 56e0773d 2019-11-28 stsp if (*tree && (*tree)->nentries != nentries)
1330 e033d803 2018-04-23 stsp goto get_more;
1334 fca1f6ad 2020-08-27 stsp if (imsg.hdr.len < IMSG_HEADER_SIZE + min_datalen) {
1335 fca1f6ad 2020-08-27 stsp imsg_free(&imsg);
1336 fca1f6ad 2020-08-27 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1340 e033d803 2018-04-23 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1342 e033d803 2018-04-23 stsp switch (imsg.hdr.type) {
1343 e033d803 2018-04-23 stsp case GOT_IMSG_ERROR:
1344 e033d803 2018-04-23 stsp err = recv_imsg_error(&imsg, datalen);
1346 e033d803 2018-04-23 stsp case GOT_IMSG_TREE:
1347 e033d803 2018-04-23 stsp /* This message should only appear once. */
1348 e033d803 2018-04-23 stsp if (*tree != NULL) {
1349 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1352 291624d8 2018-11-07 stsp if (datalen != sizeof(*itree)) {
1353 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1356 291624d8 2018-11-07 stsp itree = imsg.data;
1357 c3b78ecc 2018-11-07 stsp *tree = malloc(sizeof(**tree));
1358 e033d803 2018-04-23 stsp if (*tree == NULL) {
1359 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1362 56e0773d 2019-11-28 stsp (*tree)->entries = calloc(itree->nentries,
1363 56e0773d 2019-11-28 stsp sizeof(struct got_tree_entry));
1364 56e0773d 2019-11-28 stsp if ((*tree)->entries == NULL) {
1365 56e0773d 2019-11-28 stsp err = got_error_from_errno("malloc");
1368 56e0773d 2019-11-28 stsp (*tree)->nentries = itree->nentries;
1369 c3b78ecc 2018-11-07 stsp (*tree)->refcnt = 0;
1371 e033d803 2018-04-23 stsp case GOT_IMSG_TREE_ENTRY:
1372 e033d803 2018-04-23 stsp /* This message should be preceeded by GOT_IMSG_TREE. */
1373 e033d803 2018-04-23 stsp if (*tree == NULL) {
1374 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1377 c0588d8d 2018-11-07 stsp if (datalen < sizeof(*ite) || datalen > MAX_IMSGSIZE) {
1378 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1382 e033d803 2018-04-23 stsp /* Remaining data contains the entry's name. */
1383 c0588d8d 2018-11-07 stsp datalen -= sizeof(*ite);
1384 e033d803 2018-04-23 stsp if (datalen == 0 || datalen > MAX_IMSGSIZE) {
1385 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1388 c0588d8d 2018-11-07 stsp ite = imsg.data;
1390 56e0773d 2019-11-28 stsp if (datalen + 1 > sizeof(te->name)) {
1391 56e0773d 2019-11-28 stsp err = got_error(GOT_ERR_NO_SPACE);
1394 56e0773d 2019-11-28 stsp te = &(*tree)->entries[nentries];
1395 c0588d8d 2018-11-07 stsp memcpy(te->name, imsg.data + sizeof(*ite), datalen);
1396 e033d803 2018-04-23 stsp te->name[datalen] = '\0';
1398 56e0773d 2019-11-28 stsp memcpy(te->id.sha1, ite->id, SHA1_DIGEST_LENGTH);
1399 c0588d8d 2018-11-07 stsp te->mode = ite->mode;
1400 56e0773d 2019-11-28 stsp te->idx = nentries;
1401 e033d803 2018-04-23 stsp nentries++;
1404 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1408 e033d803 2018-04-23 stsp imsg_free(&imsg);
1413 56e0773d 2019-11-28 stsp if (*tree && (*tree)->nentries != nentries) {
1414 1e51f5b9 2018-04-23 stsp if (err == NULL)
1415 1e51f5b9 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1416 e033d803 2018-04-23 stsp got_object_tree_close(*tree);
1417 e033d803 2018-04-23 stsp *tree = NULL;
1420 ff6b18f8 2018-04-24 stsp return err;
1423 ff6b18f8 2018-04-24 stsp const struct got_error *
1424 ac544f8c 2019-01-13 stsp got_privsep_send_blob(struct imsgbuf *ibuf, size_t size, size_t hdrlen,
1425 ac544f8c 2019-01-13 stsp const uint8_t *data)
1427 2967a784 2018-04-24 stsp struct got_imsg_blob iblob;
1429 2967a784 2018-04-24 stsp iblob.size = size;
1430 ebc55e2d 2018-12-24 stsp iblob.hdrlen = hdrlen;
1432 ac544f8c 2019-01-13 stsp if (data) {
1433 ac544f8c 2019-01-13 stsp uint8_t *buf;
1435 ac544f8c 2019-01-13 stsp if (size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX)
1436 ac544f8c 2019-01-13 stsp return got_error(GOT_ERR_NO_SPACE);
1438 ac544f8c 2019-01-13 stsp buf = malloc(sizeof(iblob) + size);
1439 ac544f8c 2019-01-13 stsp if (buf == NULL)
1440 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1442 ac544f8c 2019-01-13 stsp memcpy(buf, &iblob, sizeof(iblob));
1443 ac544f8c 2019-01-13 stsp memcpy(buf + sizeof(iblob), data, size);
1444 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, buf,
1445 62d463ca 2020-10-20 naddy sizeof(iblob) + size) == -1) {
1446 ac544f8c 2019-01-13 stsp free(buf);
1447 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1449 ac544f8c 2019-01-13 stsp free(buf);
1451 ac544f8c 2019-01-13 stsp /* Data has already been written to file descriptor. */
1452 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, &iblob,
1453 ac544f8c 2019-01-13 stsp sizeof(iblob)) == -1)
1454 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1458 ff6b18f8 2018-04-24 stsp return flush_imsg(ibuf);
1461 ff6b18f8 2018-04-24 stsp const struct got_error *
1462 ac544f8c 2019-01-13 stsp got_privsep_recv_blob(uint8_t **outbuf, size_t *size, size_t *hdrlen,
1463 ac544f8c 2019-01-13 stsp struct imsgbuf *ibuf)
1465 ff6b18f8 2018-04-24 stsp const struct got_error *err = NULL;
1466 ff6b18f8 2018-04-24 stsp struct imsg imsg;
1467 291624d8 2018-11-07 stsp struct got_imsg_blob *iblob;
1468 ff6b18f8 2018-04-24 stsp size_t datalen;
1470 ac544f8c 2019-01-13 stsp *outbuf = NULL;
1472 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1474 ff6b18f8 2018-04-24 stsp return err;
1476 ff6b18f8 2018-04-24 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1478 ff6b18f8 2018-04-24 stsp switch (imsg.hdr.type) {
1479 ff6b18f8 2018-04-24 stsp case GOT_IMSG_BLOB:
1480 ac544f8c 2019-01-13 stsp if (datalen < sizeof(*iblob)) {
1481 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1484 291624d8 2018-11-07 stsp iblob = imsg.data;
1485 291624d8 2018-11-07 stsp *size = iblob->size;
1486 ebc55e2d 2018-12-24 stsp *hdrlen = iblob->hdrlen;
1488 ac544f8c 2019-01-13 stsp if (datalen == sizeof(*iblob)) {
1489 ac544f8c 2019-01-13 stsp /* Data has been written to file descriptor. */
1493 ac544f8c 2019-01-13 stsp if (*size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX) {
1494 ac544f8c 2019-01-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1498 ac544f8c 2019-01-13 stsp *outbuf = malloc(*size);
1499 ac544f8c 2019-01-13 stsp if (*outbuf == NULL) {
1500 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1503 ac544f8c 2019-01-13 stsp memcpy(*outbuf, imsg.data + sizeof(*iblob), *size);
1506 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1510 f4a881ce 2018-11-17 stsp imsg_free(&imsg);
1512 f4a881ce 2018-11-17 stsp return err;
1515 f4a881ce 2018-11-17 stsp static const struct got_error *
1516 f4a881ce 2018-11-17 stsp send_tagmsg(struct imsgbuf *ibuf, struct got_tag_object *tag, size_t tagmsg_len)
1518 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1519 f4a881ce 2018-11-17 stsp size_t offset, remain;
1521 f4a881ce 2018-11-17 stsp offset = 0;
1522 f4a881ce 2018-11-17 stsp remain = tagmsg_len;
1523 f4a881ce 2018-11-17 stsp while (remain > 0) {
1524 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1526 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_TAGMSG, 0, 0, -1,
1527 f4a881ce 2018-11-17 stsp tag->tagmsg + offset, n) == -1) {
1528 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG_TAGMSG");
1532 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1536 f4a881ce 2018-11-17 stsp offset += n;
1537 f4a881ce 2018-11-17 stsp remain -= n;
1540 f4a881ce 2018-11-17 stsp return err;
1543 f4a881ce 2018-11-17 stsp const struct got_error *
1544 f4a881ce 2018-11-17 stsp got_privsep_send_tag(struct imsgbuf *ibuf, struct got_tag_object *tag)
1546 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1547 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1548 f4a881ce 2018-11-17 stsp uint8_t *buf;
1549 f4a881ce 2018-11-17 stsp size_t len, total;
1550 f4a881ce 2018-11-17 stsp size_t tag_len = strlen(tag->tag);
1551 f4a881ce 2018-11-17 stsp size_t tagger_len = strlen(tag->tagger);
1552 f4a881ce 2018-11-17 stsp size_t tagmsg_len = strlen(tag->tagmsg);
1554 f4a881ce 2018-11-17 stsp total = sizeof(*itag) + tag_len + tagger_len + tagmsg_len;
1556 f4a881ce 2018-11-17 stsp buf = malloc(total);
1557 f4a881ce 2018-11-17 stsp if (buf == NULL)
1558 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1560 f4a881ce 2018-11-17 stsp itag = (struct got_imsg_tag_object *)buf;
1561 f4a881ce 2018-11-17 stsp memcpy(itag->id, tag->id.sha1, sizeof(itag->id));
1562 f4a881ce 2018-11-17 stsp itag->obj_type = tag->obj_type;
1563 f4a881ce 2018-11-17 stsp itag->tag_len = tag_len;
1564 f4a881ce 2018-11-17 stsp itag->tagger_len = tagger_len;
1565 f4a881ce 2018-11-17 stsp itag->tagger_time = tag->tagger_time;
1566 f4a881ce 2018-11-17 stsp itag->tagger_gmtoff = tag->tagger_gmtoff;
1567 f4a881ce 2018-11-17 stsp itag->tagmsg_len = tagmsg_len;
1569 f4a881ce 2018-11-17 stsp len = sizeof(*itag);
1570 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tag, tag_len);
1571 f4a881ce 2018-11-17 stsp len += tag_len;
1572 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tagger, tagger_len);
1573 f4a881ce 2018-11-17 stsp len += tagger_len;
1575 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG, 0, 0, -1, buf, len) == -1) {
1576 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG");
1577 f4a881ce 2018-11-17 stsp goto done;
1580 f4a881ce 2018-11-17 stsp if (tagmsg_len == 0 ||
1581 f4a881ce 2018-11-17 stsp tagmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1582 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1584 f4a881ce 2018-11-17 stsp goto done;
1586 f4a881ce 2018-11-17 stsp err = send_tagmsg(ibuf, tag, tagmsg_len);
1588 f4a881ce 2018-11-17 stsp free(buf);
1589 f4a881ce 2018-11-17 stsp return err;
1592 f4a881ce 2018-11-17 stsp const struct got_error *
1593 f4a881ce 2018-11-17 stsp got_privsep_recv_tag(struct got_tag_object **tag, struct imsgbuf *ibuf)
1595 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1596 f4a881ce 2018-11-17 stsp struct imsg imsg;
1597 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1598 f4a881ce 2018-11-17 stsp size_t len, datalen;
1599 f4a881ce 2018-11-17 stsp const size_t min_datalen =
1600 f4a881ce 2018-11-17 stsp MIN(sizeof(struct got_imsg_error),
1601 f4a881ce 2018-11-17 stsp sizeof(struct got_imsg_tag_object));
1603 f4a881ce 2018-11-17 stsp *tag = NULL;
1605 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1607 f4a881ce 2018-11-17 stsp return err;
1609 f4a881ce 2018-11-17 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1612 f4a881ce 2018-11-17 stsp switch (imsg.hdr.type) {
1613 f4a881ce 2018-11-17 stsp case GOT_IMSG_TAG:
1614 f4a881ce 2018-11-17 stsp if (datalen < sizeof(*itag)) {
1615 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1618 f4a881ce 2018-11-17 stsp itag = imsg.data;
1619 f4a881ce 2018-11-17 stsp if (datalen != sizeof(*itag) + itag->tag_len +
1620 f4a881ce 2018-11-17 stsp itag->tagger_len) {
1621 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1624 f4a881ce 2018-11-17 stsp len += sizeof(*itag);
1626 f4a881ce 2018-11-17 stsp *tag = calloc(1, sizeof(**tag));
1627 f4a881ce 2018-11-17 stsp if (*tag == NULL) {
1628 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
1632 f4a881ce 2018-11-17 stsp memcpy((*tag)->id.sha1, itag->id, SHA1_DIGEST_LENGTH);
1634 f4a881ce 2018-11-17 stsp if (itag->tag_len == 0) {
1635 f4a881ce 2018-11-17 stsp (*tag)->tag = strdup("");
1636 f4a881ce 2018-11-17 stsp if ((*tag)->tag == NULL) {
1637 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1641 f4a881ce 2018-11-17 stsp (*tag)->tag = malloc(itag->tag_len + 1);
1642 f4a881ce 2018-11-17 stsp if ((*tag)->tag == NULL) {
1643 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1646 f4a881ce 2018-11-17 stsp memcpy((*tag)->tag, imsg.data + len,
1647 f4a881ce 2018-11-17 stsp itag->tag_len);
1648 f4a881ce 2018-11-17 stsp (*tag)->tag[itag->tag_len] = '\0';
1650 f4a881ce 2018-11-17 stsp len += itag->tag_len;
1652 f4a881ce 2018-11-17 stsp (*tag)->obj_type = itag->obj_type;
1653 f4a881ce 2018-11-17 stsp (*tag)->tagger_time = itag->tagger_time;
1654 f4a881ce 2018-11-17 stsp (*tag)->tagger_gmtoff = itag->tagger_gmtoff;
1656 f4a881ce 2018-11-17 stsp if (itag->tagger_len == 0) {
1657 f4a881ce 2018-11-17 stsp (*tag)->tagger = strdup("");
1658 f4a881ce 2018-11-17 stsp if ((*tag)->tagger == NULL) {
1659 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1663 f4a881ce 2018-11-17 stsp (*tag)->tagger = malloc(itag->tagger_len + 1);
1664 f4a881ce 2018-11-17 stsp if ((*tag)->tagger == NULL) {
1665 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1668 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagger, imsg.data + len,
1669 f4a881ce 2018-11-17 stsp itag->tagger_len);
1670 f4a881ce 2018-11-17 stsp (*tag)->tagger[itag->tagger_len] = '\0';
1672 f4a881ce 2018-11-17 stsp len += itag->tagger_len;
1674 f4a881ce 2018-11-17 stsp if (itag->tagmsg_len == 0) {
1675 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = strdup("");
1676 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1677 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1681 f4a881ce 2018-11-17 stsp size_t offset = 0, remain = itag->tagmsg_len;
1683 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = malloc(itag->tagmsg_len + 1);
1684 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1685 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1688 f4a881ce 2018-11-17 stsp while (remain > 0) {
1689 f4a881ce 2018-11-17 stsp struct imsg imsg_log;
1690 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1693 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1695 f4a881ce 2018-11-17 stsp return err;
1697 f4a881ce 2018-11-17 stsp if (imsg_log.hdr.type != GOT_IMSG_TAG_TAGMSG)
1698 f4a881ce 2018-11-17 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
1700 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagmsg + offset, imsg_log.data,
1702 f4a881ce 2018-11-17 stsp imsg_free(&imsg_log);
1703 f4a881ce 2018-11-17 stsp offset += n;
1704 f4a881ce 2018-11-17 stsp remain -= n;
1706 f4a881ce 2018-11-17 stsp (*tag)->tagmsg[itag->tagmsg_len] = '\0';
1711 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1715 ff6b18f8 2018-04-24 stsp imsg_free(&imsg);
1717 2178c42e 2018-04-22 stsp return err;
1720 876c234b 2018-09-10 stsp const struct got_error *
1721 876c234b 2018-09-10 stsp got_privsep_init_pack_child(struct imsgbuf *ibuf, struct got_pack *pack,
1722 876c234b 2018-09-10 stsp struct got_packidx *packidx)
1724 41496140 2019-02-21 stsp const struct got_error *err = NULL;
1725 876c234b 2018-09-10 stsp struct got_imsg_packidx ipackidx;
1726 876c234b 2018-09-10 stsp struct got_imsg_pack ipack;
1729 876c234b 2018-09-10 stsp ipackidx.len = packidx->len;
1730 876c234b 2018-09-10 stsp fd = dup(packidx->fd);
1731 876c234b 2018-09-10 stsp if (fd == -1)
1732 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1734 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKIDX, 0, 0, fd, &ipackidx,
1735 41496140 2019-02-21 stsp sizeof(ipackidx)) == -1) {
1736 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACKIDX");
1737 41496140 2019-02-21 stsp close(fd);
1738 41496140 2019-02-21 stsp return err;
1741 876c234b 2018-09-10 stsp if (strlcpy(ipack.path_packfile, pack->path_packfile,
1742 876c234b 2018-09-10 stsp sizeof(ipack.path_packfile)) >= sizeof(ipack.path_packfile))
1743 876c234b 2018-09-10 stsp return got_error(GOT_ERR_NO_SPACE);
1744 876c234b 2018-09-10 stsp ipack.filesize = pack->filesize;
1746 876c234b 2018-09-10 stsp fd = dup(pack->fd);
1747 876c234b 2018-09-10 stsp if (fd == -1)
1748 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1750 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACK, 0, 0, fd, &ipack, sizeof(ipack))
1752 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACK");
1753 41496140 2019-02-21 stsp close(fd);
1754 41496140 2019-02-21 stsp return err;
1757 876c234b 2018-09-10 stsp return flush_imsg(ibuf);
1760 876c234b 2018-09-10 stsp const struct got_error *
1761 106807b4 2018-09-15 stsp got_privsep_send_packed_obj_req(struct imsgbuf *ibuf, int idx,
1762 106807b4 2018-09-15 stsp struct got_object_id *id)
1764 876c234b 2018-09-10 stsp struct got_imsg_packed_object iobj;
1766 876c234b 2018-09-10 stsp iobj.idx = idx;
1767 106807b4 2018-09-15 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
1769 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_OBJECT_REQUEST, 0, 0, -1,
1770 876c234b 2018-09-10 stsp &iobj, sizeof(iobj)) == -1)
1771 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose "
1772 230a42bd 2019-05-11 jcs "PACKED_OBJECT_REQUEST");
1774 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1777 aba9c984 2019-09-08 stsp const struct got_error *
1778 59d1e4a0 2021-03-10 stsp got_privsep_send_packed_raw_obj_req(struct imsgbuf *ibuf, int idx,
1779 59d1e4a0 2021-03-10 stsp struct got_object_id *id)
1781 59d1e4a0 2021-03-10 stsp struct got_imsg_packed_object iobj;
1783 59d1e4a0 2021-03-10 stsp iobj.idx = idx;
1784 59d1e4a0 2021-03-10 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
1786 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_RAW_OBJECT_REQUEST, 0, 0, -1,
1787 59d1e4a0 2021-03-10 stsp &iobj, sizeof(iobj)) == -1)
1788 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose "
1789 59d1e4a0 2021-03-10 stsp "PACKED_OBJECT_REQUEST");
1791 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
1794 59d1e4a0 2021-03-10 stsp const struct got_error *
1795 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_parse_req(struct imsgbuf *ibuf, int fd)
1797 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
1799 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_PARSE_REQUEST, 0, 0, fd,
1800 aba9c984 2019-09-08 stsp NULL, 0) == -1) {
1801 aba9c984 2019-09-08 stsp err = got_error_from_errno("imsg_compose "
1802 aba9c984 2019-09-08 stsp "GITCONFIG_PARSE_REQUEST");
1803 aba9c984 2019-09-08 stsp close(fd);
1804 aba9c984 2019-09-08 stsp return err;
1807 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1810 aba9c984 2019-09-08 stsp const struct got_error *
1811 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_repository_format_version_req(struct imsgbuf *ibuf)
1813 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
1814 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST, 0, 0, -1,
1815 aba9c984 2019-09-08 stsp NULL, 0) == -1)
1816 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
1817 aba9c984 2019-09-08 stsp "GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST");
1819 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1822 aba9c984 2019-09-08 stsp const struct got_error *
1823 20b7abb3 2020-10-22 stsp got_privsep_send_gitconfig_repository_extensions_req(struct imsgbuf *ibuf)
1825 20b7abb3 2020-10-22 stsp if (imsg_compose(ibuf,
1826 20b7abb3 2020-10-22 stsp GOT_IMSG_GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST, 0, 0, -1,
1827 20b7abb3 2020-10-22 stsp NULL, 0) == -1)
1828 20b7abb3 2020-10-22 stsp return got_error_from_errno("imsg_compose "
1829 20b7abb3 2020-10-22 stsp "GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST");
1831 20b7abb3 2020-10-22 stsp return flush_imsg(ibuf);
1835 20b7abb3 2020-10-22 stsp const struct got_error *
1836 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_name_req(struct imsgbuf *ibuf)
1838 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
1839 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_NAME_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_NAME_REQUEST");
1843 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1846 aba9c984 2019-09-08 stsp const struct got_error *
1847 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_email_req(struct imsgbuf *ibuf)
1849 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
1850 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_EMAIL_REQUEST, 0, 0, -1, NULL, 0) == -1)
1851 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
1852 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_EMAIL_REQUEST");
1854 cd95becd 2019-11-29 stsp return flush_imsg(ibuf);
1857 cd95becd 2019-11-29 stsp const struct got_error *
1858 cd95becd 2019-11-29 stsp got_privsep_send_gitconfig_remotes_req(struct imsgbuf *ibuf)
1860 cd95becd 2019-11-29 stsp if (imsg_compose(ibuf,
1861 cd95becd 2019-11-29 stsp GOT_IMSG_GITCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
1862 cd95becd 2019-11-29 stsp return got_error_from_errno("imsg_compose "
1863 cd95becd 2019-11-29 stsp "GITCONFIG_REMOTE_REQUEST");
1865 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
1868 aba9c984 2019-09-08 stsp const struct got_error *
1869 9a1cc63f 2020-02-03 stsp got_privsep_send_gitconfig_owner_req(struct imsgbuf *ibuf)
1871 9a1cc63f 2020-02-03 stsp if (imsg_compose(ibuf,
1872 9a1cc63f 2020-02-03 stsp GOT_IMSG_GITCONFIG_OWNER_REQUEST, 0, 0, -1, NULL, 0) == -1)
1873 9a1cc63f 2020-02-03 stsp return got_error_from_errno("imsg_compose "
1874 9a1cc63f 2020-02-03 stsp "GITCONFIG_OWNER_REQUEST");
1876 9a1cc63f 2020-02-03 stsp return flush_imsg(ibuf);
1879 9a1cc63f 2020-02-03 stsp const struct got_error *
1880 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_str(char **str, struct imsgbuf *ibuf)
1882 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
1883 aba9c984 2019-09-08 stsp struct imsg imsg;
1884 aba9c984 2019-09-08 stsp size_t datalen;
1885 aba9c984 2019-09-08 stsp const size_t min_datalen = 0;
1887 aba9c984 2019-09-08 stsp *str = NULL;
1889 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1891 aba9c984 2019-09-08 stsp return err;
1892 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1894 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
1895 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_STR_VAL:
1896 aba9c984 2019-09-08 stsp if (datalen == 0)
1898 6c13dcd2 2020-09-18 stsp /* datalen does not include terminating \0 */
1899 6c13dcd2 2020-09-18 stsp *str = malloc(datalen + 1);
1900 aba9c984 2019-09-08 stsp if (*str == NULL) {
1901 aba9c984 2019-09-08 stsp err = got_error_from_errno("malloc");
1904 6c13dcd2 2020-09-18 stsp memcpy(*str, imsg.data, datalen);
1905 6c13dcd2 2020-09-18 stsp (*str)[datalen] = '\0';
1908 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1912 aba9c984 2019-09-08 stsp imsg_free(&imsg);
1913 aba9c984 2019-09-08 stsp return err;
1916 aba9c984 2019-09-08 stsp const struct got_error *
1917 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_int(int *val, struct imsgbuf *ibuf)
1919 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
1920 aba9c984 2019-09-08 stsp struct imsg imsg;
1921 aba9c984 2019-09-08 stsp size_t datalen;
1922 aba9c984 2019-09-08 stsp const size_t min_datalen =
1923 aba9c984 2019-09-08 stsp MIN(sizeof(struct got_imsg_error), sizeof(int));
1927 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1929 aba9c984 2019-09-08 stsp return err;
1930 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1932 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
1933 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_INT_VAL:
1934 aba9c984 2019-09-08 stsp if (datalen != sizeof(*val)) {
1935 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1938 aba9c984 2019-09-08 stsp memcpy(val, imsg.data, sizeof(*val));
1941 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1945 cd95becd 2019-11-29 stsp imsg_free(&imsg);
1946 cd95becd 2019-11-29 stsp return err;
1949 b8adfa55 2020-09-25 stsp static void
1950 b8adfa55 2020-09-25 stsp free_remote_data(struct got_remote_repo *remote)
1954 b8adfa55 2020-09-25 stsp free(remote->name);
1955 b8adfa55 2020-09-25 stsp free(remote->url);
1956 b8adfa55 2020-09-25 stsp for (i = 0; i < remote->nbranches; i++)
1957 b8adfa55 2020-09-25 stsp free(remote->branches[i]);
1958 b8adfa55 2020-09-25 stsp free(remote->branches);
1959 99495ddb 2021-01-10 stsp for (i = 0; i < remote->nrefs; i++)
1960 99495ddb 2021-01-10 stsp free(remote->refs[i]);
1961 99495ddb 2021-01-10 stsp free(remote->refs);
1964 cd95becd 2019-11-29 stsp const struct got_error *
1965 cd95becd 2019-11-29 stsp got_privsep_recv_gitconfig_remotes(struct got_remote_repo **remotes,
1966 cd95becd 2019-11-29 stsp int *nremotes, struct imsgbuf *ibuf)
1968 cd95becd 2019-11-29 stsp const struct got_error *err = NULL;
1969 cd95becd 2019-11-29 stsp struct imsg imsg;
1970 cd95becd 2019-11-29 stsp size_t datalen;
1971 cd95becd 2019-11-29 stsp struct got_imsg_remotes iremotes;
1972 cd95becd 2019-11-29 stsp struct got_imsg_remote iremote;
1974 cd95becd 2019-11-29 stsp *remotes = NULL;
1975 cd95becd 2019-11-29 stsp *nremotes = 0;
1976 d669b9c9 2020-02-22 stsp iremotes.nremotes = 0;
1978 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremotes));
1980 cd95becd 2019-11-29 stsp return err;
1981 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1983 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
1984 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTES:
1985 cd95becd 2019-11-29 stsp if (datalen != sizeof(iremotes)) {
1986 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1989 cd95becd 2019-11-29 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
1990 cd95becd 2019-11-29 stsp if (iremotes.nremotes == 0) {
1991 cd95becd 2019-11-29 stsp imsg_free(&imsg);
1992 cd95becd 2019-11-29 stsp return NULL;
1996 54b1c5b5 2020-02-22 stsp imsg_free(&imsg);
1997 54b1c5b5 2020-02-22 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2000 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2002 5146eb39 2020-03-20 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2003 cd95becd 2019-11-29 stsp if (*remotes == NULL)
2004 cd95becd 2019-11-29 stsp return got_error_from_errno("recallocarray");
2006 cd95becd 2019-11-29 stsp while (*nremotes < iremotes.nremotes) {
2007 cd95becd 2019-11-29 stsp struct got_remote_repo *remote;
2009 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremote));
2012 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2014 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2015 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTE:
2016 cd95becd 2019-11-29 stsp remote = &(*remotes)[*nremotes];
2017 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2018 cd95becd 2019-11-29 stsp if (datalen < sizeof(iremote)) {
2019 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2022 cd95becd 2019-11-29 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2023 cd95becd 2019-11-29 stsp if (iremote.name_len == 0 || iremote.url_len == 0 ||
2024 cd95becd 2019-11-29 stsp (sizeof(iremote) + iremote.name_len +
2025 cd95becd 2019-11-29 stsp iremote.url_len) > datalen) {
2026 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2029 cd95becd 2019-11-29 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2030 cd95becd 2019-11-29 stsp iremote.name_len);
2031 cd95becd 2019-11-29 stsp if (remote->name == NULL) {
2032 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2035 cd95becd 2019-11-29 stsp remote->url = strndup(imsg.data + sizeof(iremote) +
2036 cd95becd 2019-11-29 stsp iremote.name_len, iremote.url_len);
2037 cd95becd 2019-11-29 stsp if (remote->url == NULL) {
2038 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2039 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2042 469dd726 2020-03-20 stsp remote->mirror_references = iremote.mirror_references;
2043 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2044 b8adfa55 2020-09-25 stsp remote->nbranches = 0;
2045 b8adfa55 2020-09-25 stsp remote->branches = NULL;
2046 99495ddb 2021-01-10 stsp remote->nrefs = 0;
2047 99495ddb 2021-01-10 stsp remote->refs = NULL;
2048 cd95becd 2019-11-29 stsp (*nremotes)++;
2051 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2055 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2060 cd95becd 2019-11-29 stsp if (err) {
2062 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2063 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2064 cd95becd 2019-11-29 stsp free(*remotes);
2065 cd95becd 2019-11-29 stsp *remotes = NULL;
2066 cd95becd 2019-11-29 stsp *nremotes = 0;
2068 aba9c984 2019-09-08 stsp return err;
2071 257add31 2020-09-09 stsp const struct got_error *
2072 257add31 2020-09-09 stsp got_privsep_send_gotconfig_parse_req(struct imsgbuf *ibuf, int fd)
2074 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2076 257add31 2020-09-09 stsp if (imsg_compose(ibuf, GOT_IMSG_GOTCONFIG_PARSE_REQUEST, 0, 0, fd,
2077 257add31 2020-09-09 stsp NULL, 0) == -1) {
2078 257add31 2020-09-09 stsp err = got_error_from_errno("imsg_compose "
2079 257add31 2020-09-09 stsp "GOTCONFIG_PARSE_REQUEST");
2080 257add31 2020-09-09 stsp close(fd);
2081 257add31 2020-09-09 stsp return err;
2084 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2087 257add31 2020-09-09 stsp const struct got_error *
2088 257add31 2020-09-09 stsp got_privsep_send_gotconfig_author_req(struct imsgbuf *ibuf)
2090 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2091 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_AUTHOR_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_AUTHOR_REQUEST");
2095 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2098 ca6e02ac 2020-01-07 stsp const struct got_error *
2099 257add31 2020-09-09 stsp got_privsep_send_gotconfig_remotes_req(struct imsgbuf *ibuf)
2101 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2102 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2103 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2104 257add31 2020-09-09 stsp "GOTCONFIG_REMOTE_REQUEST");
2106 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2109 257add31 2020-09-09 stsp const struct got_error *
2110 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_str(char **str, struct imsgbuf *ibuf)
2112 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2113 257add31 2020-09-09 stsp struct imsg imsg;
2114 257add31 2020-09-09 stsp size_t datalen;
2115 257add31 2020-09-09 stsp const size_t min_datalen = 0;
2117 257add31 2020-09-09 stsp *str = NULL;
2119 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2121 257add31 2020-09-09 stsp return err;
2122 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2124 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2125 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2126 257add31 2020-09-09 stsp if (datalen < sizeof(struct got_imsg_error)) {
2127 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2130 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2132 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_STR_VAL:
2133 257add31 2020-09-09 stsp if (datalen == 0)
2135 5874ea87 2020-09-18 stsp /* datalen does not include terminating \0 */
2136 5874ea87 2020-09-18 stsp *str = malloc(datalen + 1);
2137 257add31 2020-09-09 stsp if (*str == NULL) {
2138 257add31 2020-09-09 stsp err = got_error_from_errno("malloc");
2141 5874ea87 2020-09-18 stsp memcpy(*str, imsg.data, datalen);
2142 5874ea87 2020-09-18 stsp (*str)[datalen] = '\0';
2145 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2149 257add31 2020-09-09 stsp imsg_free(&imsg);
2150 257add31 2020-09-09 stsp return err;
2154 257add31 2020-09-09 stsp const struct got_error *
2155 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_remotes(struct got_remote_repo **remotes,
2156 257add31 2020-09-09 stsp int *nremotes, struct imsgbuf *ibuf)
2158 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2159 257add31 2020-09-09 stsp struct imsg imsg;
2160 257add31 2020-09-09 stsp size_t datalen;
2161 257add31 2020-09-09 stsp struct got_imsg_remotes iremotes;
2162 257add31 2020-09-09 stsp struct got_imsg_remote iremote;
2163 257add31 2020-09-09 stsp const size_t min_datalen =
2164 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremotes));
2166 257add31 2020-09-09 stsp *remotes = NULL;
2167 257add31 2020-09-09 stsp *nremotes = 0;
2168 257add31 2020-09-09 stsp iremotes.nremotes = 0;
2170 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2172 257add31 2020-09-09 stsp return err;
2173 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2175 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2176 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2177 257add31 2020-09-09 stsp if (datalen < sizeof(struct got_imsg_error)) {
2178 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2181 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2183 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTES:
2184 257add31 2020-09-09 stsp if (datalen != sizeof(iremotes)) {
2185 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2188 257add31 2020-09-09 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2189 257add31 2020-09-09 stsp if (iremotes.nremotes == 0) {
2190 257add31 2020-09-09 stsp imsg_free(&imsg);
2191 257add31 2020-09-09 stsp return NULL;
2195 257add31 2020-09-09 stsp imsg_free(&imsg);
2196 257add31 2020-09-09 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2199 257add31 2020-09-09 stsp imsg_free(&imsg);
2201 257add31 2020-09-09 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2202 257add31 2020-09-09 stsp if (*remotes == NULL)
2203 257add31 2020-09-09 stsp return got_error_from_errno("recallocarray");
2205 257add31 2020-09-09 stsp while (*nremotes < iremotes.nremotes) {
2206 257add31 2020-09-09 stsp struct got_remote_repo *remote;
2207 257add31 2020-09-09 stsp const size_t min_datalen =
2208 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremote));
2211 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2214 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2216 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2217 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2218 257add31 2020-09-09 stsp if (datalen < sizeof(struct got_imsg_error)) {
2219 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2222 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2224 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTE:
2225 257add31 2020-09-09 stsp remote = &(*remotes)[*nremotes];
2226 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2227 257add31 2020-09-09 stsp if (datalen < sizeof(iremote)) {
2228 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2231 257add31 2020-09-09 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2232 257add31 2020-09-09 stsp if (iremote.name_len == 0 || iremote.url_len == 0 ||
2233 257add31 2020-09-09 stsp (sizeof(iremote) + iremote.name_len +
2234 257add31 2020-09-09 stsp iremote.url_len) > datalen) {
2235 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2238 257add31 2020-09-09 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2239 257add31 2020-09-09 stsp iremote.name_len);
2240 257add31 2020-09-09 stsp if (remote->name == NULL) {
2241 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2244 257add31 2020-09-09 stsp remote->url = strndup(imsg.data + sizeof(iremote) +
2245 257add31 2020-09-09 stsp iremote.name_len, iremote.url_len);
2246 257add31 2020-09-09 stsp if (remote->url == NULL) {
2247 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2248 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2251 257add31 2020-09-09 stsp remote->mirror_references = iremote.mirror_references;
2252 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2253 b8adfa55 2020-09-25 stsp if (iremote.nbranches > 0) {
2254 b8adfa55 2020-09-25 stsp remote->branches = recallocarray(NULL, 0,
2255 b8adfa55 2020-09-25 stsp iremote.nbranches, sizeof(char *));
2256 b8adfa55 2020-09-25 stsp if (remote->branches == NULL) {
2257 b8adfa55 2020-09-25 stsp err = got_error_from_errno("calloc");
2258 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2262 b8adfa55 2020-09-25 stsp remote->nbranches = 0;
2263 b8adfa55 2020-09-25 stsp for (i = 0; i < iremote.nbranches; i++) {
2264 b8adfa55 2020-09-25 stsp char *branch;
2265 b8adfa55 2020-09-25 stsp err = got_privsep_recv_gotconfig_str(&branch,
2267 b8adfa55 2020-09-25 stsp if (err) {
2268 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2269 b8adfa55 2020-09-25 stsp goto done;
2271 b8adfa55 2020-09-25 stsp remote->branches[i] = branch;
2272 b8adfa55 2020-09-25 stsp remote->nbranches++;
2274 99495ddb 2021-01-10 stsp if (iremote.nrefs > 0) {
2275 99495ddb 2021-01-10 stsp remote->refs = recallocarray(NULL, 0,
2276 99495ddb 2021-01-10 stsp iremote.nrefs, sizeof(char *));
2277 99495ddb 2021-01-10 stsp if (remote->refs == NULL) {
2278 99495ddb 2021-01-10 stsp err = got_error_from_errno("calloc");
2279 99495ddb 2021-01-10 stsp free_remote_data(remote);
2283 99495ddb 2021-01-10 stsp remote->nrefs = 0;
2284 99495ddb 2021-01-10 stsp for (i = 0; i < iremote.nrefs; i++) {
2285 99495ddb 2021-01-10 stsp char *ref;
2286 99495ddb 2021-01-10 stsp err = got_privsep_recv_gotconfig_str(&ref,
2288 99495ddb 2021-01-10 stsp if (err) {
2289 99495ddb 2021-01-10 stsp free_remote_data(remote);
2290 99495ddb 2021-01-10 stsp goto done;
2292 99495ddb 2021-01-10 stsp remote->refs[i] = ref;
2293 99495ddb 2021-01-10 stsp remote->nrefs++;
2295 257add31 2020-09-09 stsp (*nremotes)++;
2298 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2302 257add31 2020-09-09 stsp imsg_free(&imsg);
2307 257add31 2020-09-09 stsp if (err) {
2309 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2310 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2311 257add31 2020-09-09 stsp free(*remotes);
2312 257add31 2020-09-09 stsp *remotes = NULL;
2313 257add31 2020-09-09 stsp *nremotes = 0;
2315 257add31 2020-09-09 stsp return err;
2318 257add31 2020-09-09 stsp const struct got_error *
2319 ca6e02ac 2020-01-07 stsp got_privsep_send_commit_traversal_request(struct imsgbuf *ibuf,
2320 ca6e02ac 2020-01-07 stsp struct got_object_id *id, int idx, const char *path)
2322 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
2323 ca6e02ac 2020-01-07 stsp struct ibuf *wbuf;
2324 ca6e02ac 2020-01-07 stsp size_t path_len = strlen(path) + 1;
2326 ca6e02ac 2020-01-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_COMMIT_TRAVERSAL_REQUEST, 0, 0,
2327 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_traversal_request) + path_len);
2328 ca6e02ac 2020-01-07 stsp if (wbuf == NULL)
2329 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
2330 ca6e02ac 2020-01-07 stsp "imsg_create COMMIT_TRAVERSAL_REQUEST");
2331 ca6e02ac 2020-01-07 stsp if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1) {
2332 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("imsg_add COMMIT_TRAVERSAL_REQUEST");
2333 ca6e02ac 2020-01-07 stsp ibuf_free(wbuf);
2334 ca6e02ac 2020-01-07 stsp return err;
2336 ca6e02ac 2020-01-07 stsp if (imsg_add(wbuf, &idx, sizeof(idx)) == -1) {
2337 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("imsg_add COMMIT_TRAVERSAL_REQUEST");
2338 ca6e02ac 2020-01-07 stsp ibuf_free(wbuf);
2339 ca6e02ac 2020-01-07 stsp return err;
2341 ca6e02ac 2020-01-07 stsp if (imsg_add(wbuf, path, path_len) == -1) {
2342 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("imsg_add COMMIT_TRAVERSAL_REQUEST");
2343 ca6e02ac 2020-01-07 stsp ibuf_free(wbuf);
2344 ca6e02ac 2020-01-07 stsp return err;
2347 ca6e02ac 2020-01-07 stsp wbuf->fd = -1;
2348 ca6e02ac 2020-01-07 stsp imsg_close(ibuf, wbuf);
2350 ca6e02ac 2020-01-07 stsp return flush_imsg(ibuf);
2353 ca6e02ac 2020-01-07 stsp const struct got_error *
2354 ca6e02ac 2020-01-07 stsp got_privsep_recv_traversed_commits(struct got_commit_object **changed_commit,
2355 ca6e02ac 2020-01-07 stsp struct got_object_id **changed_commit_id,
2356 ca6e02ac 2020-01-07 stsp struct got_object_id_queue *commit_ids, struct imsgbuf *ibuf)
2358 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
2359 ca6e02ac 2020-01-07 stsp struct imsg imsg;
2360 ca6e02ac 2020-01-07 stsp struct got_imsg_traversed_commits *icommits;
2361 ca6e02ac 2020-01-07 stsp size_t datalen;
2362 ca6e02ac 2020-01-07 stsp int i, done = 0;
2364 ca6e02ac 2020-01-07 stsp *changed_commit = NULL;
2365 ca6e02ac 2020-01-07 stsp *changed_commit_id = NULL;
2367 ca6e02ac 2020-01-07 stsp while (!done) {
2368 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2370 ca6e02ac 2020-01-07 stsp return err;
2372 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2373 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
2374 ca6e02ac 2020-01-07 stsp case GOT_IMSG_TRAVERSED_COMMITS:
2375 ca6e02ac 2020-01-07 stsp icommits = imsg.data;
2376 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommits) +
2377 ca6e02ac 2020-01-07 stsp icommits->ncommits * SHA1_DIGEST_LENGTH) {
2378 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2381 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommits->ncommits; i++) {
2382 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
2383 ca6e02ac 2020-01-07 stsp uint8_t *sha1 = (uint8_t *)imsg.data +
2384 ca6e02ac 2020-01-07 stsp sizeof(*icommits) + i * SHA1_DIGEST_LENGTH;
2385 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
2388 ca6e02ac 2020-01-07 stsp memcpy(qid->id->sha1, sha1, SHA1_DIGEST_LENGTH);
2389 ca6e02ac 2020-01-07 stsp SIMPLEQ_INSERT_TAIL(commit_ids, qid, entry);
2391 ca6e02ac 2020-01-07 stsp /* The last commit may contain a change. */
2392 ca6e02ac 2020-01-07 stsp if (i == icommits->ncommits - 1) {
2393 ca6e02ac 2020-01-07 stsp *changed_commit_id =
2394 ca6e02ac 2020-01-07 stsp got_object_id_dup(qid->id);
2395 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2396 ca6e02ac 2020-01-07 stsp err = got_error_from_errno(
2397 ca6e02ac 2020-01-07 stsp "got_object_id_dup");
2403 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
2404 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2405 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2408 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(changed_commit, &imsg,
2409 ca6e02ac 2020-01-07 stsp datalen, ibuf);
2411 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT_TRAVERSAL_DONE:
2415 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2419 ca6e02ac 2020-01-07 stsp imsg_free(&imsg);
2425 ca6e02ac 2020-01-07 stsp got_object_id_queue_free(commit_ids);
2426 ca6e02ac 2020-01-07 stsp return err;
2429 ca6e02ac 2020-01-07 stsp const struct got_error *
2430 63219cd2 2019-01-04 stsp got_privsep_unveil_exec_helpers(void)
2432 c39c25dd 2019-08-09 stsp const char *helpers[] = {
2433 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_PACK,
2434 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_OBJECT,
2435 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_COMMIT,
2436 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TREE,
2437 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_BLOB,
2438 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TAG,
2439 aba9c984 2019-09-08 stsp GOT_PATH_PROG_READ_GITCONFIG,
2440 257add31 2020-09-09 stsp GOT_PATH_PROG_READ_GOTCONFIG,
2441 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_FETCH_PACK,
2442 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_INDEX_PACK,
2446 c39c25dd 2019-08-09 stsp for (i = 0; i < nitems(helpers); i++) {
2447 c39c25dd 2019-08-09 stsp if (unveil(helpers[i], "x") == 0)
2449 c39c25dd 2019-08-09 stsp return got_error_from_errno2("unveil", helpers[i]);
2452 63219cd2 2019-01-04 stsp return NULL;
2456 aba9c984 2019-09-08 stsp got_privsep_exec_child(int imsg_fds[2], const char *path, const char *repo_path)
2458 08578a35 2021-01-22 stsp if (close(imsg_fds[0]) == -1) {
2459 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
2463 aba9c984 2019-09-08 stsp if (dup2(imsg_fds[1], GOT_IMSG_FD_CHILD) == -1) {
2464 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
2467 aba9c984 2019-09-08 stsp if (closefrom(GOT_IMSG_FD_CHILD + 1) == -1) {
2468 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
2472 aba9c984 2019-09-08 stsp if (execl(path, path, repo_path, (char *)NULL) == -1) {
2473 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s: %s\n", getprogname(), path,
2474 aba9c984 2019-09-08 stsp strerror(errno));