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));
211 8934ea8b 2022-02-14 op imsg_clear(ibuf);
216 e033d803 2018-04-23 stsp static const struct got_error *
217 e033d803 2018-04-23 stsp flush_imsg(struct imsgbuf *ibuf)
219 e033d803 2018-04-23 stsp const struct got_error *err;
221 e033d803 2018-04-23 stsp err = poll_fd(ibuf->fd, POLLOUT, INFTIM);
223 e033d803 2018-04-23 stsp return err;
225 8934ea8b 2022-02-14 op if (imsg_flush(ibuf) == -1) {
226 8934ea8b 2022-02-14 op imsg_clear(ibuf);
227 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_flush");
230 e033d803 2018-04-23 stsp return NULL;
233 ad242220 2018-09-08 stsp const struct got_error *
234 e70bf110 2020-03-22 stsp got_privsep_flush_imsg(struct imsgbuf *ibuf)
236 e70bf110 2020-03-22 stsp return flush_imsg(ibuf);
239 e70bf110 2020-03-22 stsp const struct got_error *
240 ad242220 2018-09-08 stsp got_privsep_send_stop(int fd)
242 ad242220 2018-09-08 stsp const struct got_error *err = NULL;
243 ad242220 2018-09-08 stsp struct imsgbuf ibuf;
245 ad242220 2018-09-08 stsp imsg_init(&ibuf, fd);
247 ad242220 2018-09-08 stsp if (imsg_compose(&ibuf, GOT_IMSG_STOP, 0, 0, -1, NULL, 0) == -1)
248 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose STOP");
250 ad242220 2018-09-08 stsp err = flush_imsg(&ibuf);
251 ad242220 2018-09-08 stsp return err;
254 93658fb9 2020-03-18 stsp const struct got_error *
255 d5c81d44 2021-07-08 stsp got_privsep_send_obj_req(struct imsgbuf *ibuf, int fd,
256 d5c81d44 2021-07-08 stsp struct got_object_id *id)
258 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT_REQUEST, 0, 0, fd,
259 d5c81d44 2021-07-08 stsp id, sizeof(*id)) == -1)
260 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT_REQUEST");
262 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
265 59d1e4a0 2021-03-10 stsp const struct got_error *
266 d5c81d44 2021-07-08 stsp got_privsep_send_raw_obj_req(struct imsgbuf *ibuf, int fd,
267 d5c81d44 2021-07-08 stsp struct got_object_id *id)
269 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_OBJECT_REQUEST, 0, 0, fd,
270 d5c81d44 2021-07-08 stsp id, sizeof(*id)) == -1)
271 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose RAW_OBJECT_REQUEST");
273 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
276 59d1e4a0 2021-03-10 stsp const struct got_error *
277 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj_outfd(struct imsgbuf *ibuf, int outfd)
279 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
281 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_OBJECT_OUTFD, 0, 0, outfd, NULL, 0)
283 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_compose RAW_OBJECT_OUTFD");
284 59d1e4a0 2021-03-10 stsp close(outfd);
285 59d1e4a0 2021-03-10 stsp return err;
288 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
291 59d1e4a0 2021-03-10 stsp const struct got_error *
292 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj(struct imsgbuf *ibuf, off_t size, size_t hdrlen,
293 59d1e4a0 2021-03-10 stsp uint8_t *data)
295 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
296 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj iobj;
297 59d1e4a0 2021-03-10 stsp size_t len = sizeof(iobj);
298 59d1e4a0 2021-03-10 stsp struct ibuf *wbuf;
300 59d1e4a0 2021-03-10 stsp iobj.hdrlen = hdrlen;
301 59d1e4a0 2021-03-10 stsp iobj.size = size;
303 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX)
304 a8591711 2021-06-18 stsp len += (size_t)size + hdrlen;
306 59d1e4a0 2021-03-10 stsp wbuf = imsg_create(ibuf, GOT_IMSG_RAW_OBJECT, 0, 0, len);
307 59d1e4a0 2021-03-10 stsp if (wbuf == NULL) {
308 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_create RAW_OBJECT");
309 59d1e4a0 2021-03-10 stsp return err;
312 59d1e4a0 2021-03-10 stsp if (imsg_add(wbuf, &iobj, sizeof(iobj)) == -1) {
313 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_add RAW_OBJECT");
314 59d1e4a0 2021-03-10 stsp ibuf_free(wbuf);
315 59d1e4a0 2021-03-10 stsp return err;
318 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
319 a8591711 2021-06-18 stsp if (imsg_add(wbuf, data, size + hdrlen) == -1) {
320 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_add RAW_OBJECT");
321 59d1e4a0 2021-03-10 stsp ibuf_free(wbuf);
322 59d1e4a0 2021-03-10 stsp return err;
326 59d1e4a0 2021-03-10 stsp wbuf->fd = -1;
327 59d1e4a0 2021-03-10 stsp imsg_close(ibuf, wbuf);
329 1785f84a 2018-12-23 stsp return flush_imsg(ibuf);
332 1785f84a 2018-12-23 stsp const struct got_error *
333 59d1e4a0 2021-03-10 stsp got_privsep_recv_raw_obj(uint8_t **outbuf, off_t *size, size_t *hdrlen,
334 59d1e4a0 2021-03-10 stsp struct imsgbuf *ibuf)
336 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
337 59d1e4a0 2021-03-10 stsp struct imsg imsg;
338 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj *iobj;
339 59d1e4a0 2021-03-10 stsp size_t datalen;
341 59d1e4a0 2021-03-10 stsp *outbuf = NULL;
343 59d1e4a0 2021-03-10 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
345 59d1e4a0 2021-03-10 stsp return err;
347 59d1e4a0 2021-03-10 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
349 59d1e4a0 2021-03-10 stsp switch (imsg.hdr.type) {
350 59d1e4a0 2021-03-10 stsp case GOT_IMSG_RAW_OBJECT:
351 59d1e4a0 2021-03-10 stsp if (datalen < sizeof(*iobj)) {
352 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
355 59d1e4a0 2021-03-10 stsp iobj = imsg.data;
356 59d1e4a0 2021-03-10 stsp *size = iobj->size;
357 59d1e4a0 2021-03-10 stsp *hdrlen = iobj->hdrlen;
359 59d1e4a0 2021-03-10 stsp if (datalen == sizeof(*iobj)) {
360 59d1e4a0 2021-03-10 stsp /* Data has been written to file descriptor. */
364 a8591711 2021-06-18 stsp if (*size + *hdrlen > GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
365 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
369 a8591711 2021-06-18 stsp *outbuf = malloc(*size + *hdrlen);
370 59d1e4a0 2021-03-10 stsp if (*outbuf == NULL) {
371 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("malloc");
374 a8591711 2021-06-18 stsp memcpy(*outbuf, imsg.data + sizeof(*iobj), *size + *hdrlen);
377 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
381 59d1e4a0 2021-03-10 stsp imsg_free(&imsg);
383 59d1e4a0 2021-03-10 stsp return err;
386 59d1e4a0 2021-03-10 stsp const struct got_error *
387 1785f84a 2018-12-23 stsp got_privsep_send_commit_req(struct imsgbuf *ibuf, int fd,
388 1785f84a 2018-12-23 stsp struct got_object_id *id, int pack_idx)
390 41496140 2019-02-21 stsp const struct got_error *err = NULL;
391 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
392 d5c81d44 2021-07-08 stsp void *data;
393 1785f84a 2018-12-23 stsp size_t len;
395 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* commit is packed */
396 1785f84a 2018-12-23 stsp iobj.idx = pack_idx;
397 1785f84a 2018-12-23 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
398 d5c81d44 2021-07-08 stsp data = &iobj;
399 1785f84a 2018-12-23 stsp len = sizeof(iobj);
402 d5c81d44 2021-07-08 stsp len = sizeof(*id);
405 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_REQUEST, 0, 0, fd, data, len)
407 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT_REQUEST");
409 41496140 2019-02-21 stsp return err;
412 13c729f7 2018-12-24 stsp return flush_imsg(ibuf);
415 13c729f7 2018-12-24 stsp const struct got_error *
416 13c729f7 2018-12-24 stsp got_privsep_send_tree_req(struct imsgbuf *ibuf, int fd,
417 13c729f7 2018-12-24 stsp struct got_object_id *id, int pack_idx)
419 41496140 2019-02-21 stsp const struct got_error *err = NULL;
420 7f358e3b 2019-11-23 stsp struct ibuf *wbuf;
421 d5c81d44 2021-07-08 stsp size_t len;
423 d5c81d44 2021-07-08 stsp if (pack_idx != -1)
424 d5c81d44 2021-07-08 stsp len = sizeof(struct got_imsg_packed_object);
426 d5c81d44 2021-07-08 stsp len = sizeof(*id);
428 7f358e3b 2019-11-23 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_REQUEST, 0, 0, len);
429 7f358e3b 2019-11-23 stsp if (wbuf == NULL)
430 7f358e3b 2019-11-23 stsp return got_error_from_errno("imsg_create TREE_REQUEST");
432 d5c81d44 2021-07-08 stsp if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1) {
433 8264d9ee 2022-01-27 stsp err = got_error_from_errno("imsg_add TREE_REQUEST");
434 d5c81d44 2021-07-08 stsp ibuf_free(wbuf);
435 d5c81d44 2021-07-08 stsp return err;
438 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tree is packed */
439 7f358e3b 2019-11-23 stsp if (imsg_add(wbuf, &pack_idx, sizeof(pack_idx)) == -1) {
440 8264d9ee 2022-01-27 stsp err = got_error_from_errno("imsg_add TREE_REQUEST");
441 7f358e3b 2019-11-23 stsp ibuf_free(wbuf);
442 7f358e3b 2019-11-23 stsp return err;
446 7f358e3b 2019-11-23 stsp wbuf->fd = fd;
447 7f358e3b 2019-11-23 stsp imsg_close(ibuf, wbuf);
449 268f7291 2018-12-24 stsp return flush_imsg(ibuf);
452 268f7291 2018-12-24 stsp const struct got_error *
453 268f7291 2018-12-24 stsp got_privsep_send_tag_req(struct imsgbuf *ibuf, int fd,
454 268f7291 2018-12-24 stsp struct got_object_id *id, int pack_idx)
456 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
457 d5c81d44 2021-07-08 stsp void *data;
458 268f7291 2018-12-24 stsp size_t len;
460 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tag is packed */
461 268f7291 2018-12-24 stsp iobj.idx = pack_idx;
462 268f7291 2018-12-24 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
463 d5c81d44 2021-07-08 stsp data = &iobj;
464 268f7291 2018-12-24 stsp len = sizeof(iobj);
467 d5c81d44 2021-07-08 stsp len = sizeof(*id);
470 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_REQUEST, 0, 0, fd, data, len)
472 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose TAG_REQUEST");
474 7762fe12 2018-11-05 stsp return flush_imsg(ibuf);
477 7762fe12 2018-11-05 stsp const struct got_error *
478 ebc55e2d 2018-12-24 stsp got_privsep_send_blob_req(struct imsgbuf *ibuf, int infd,
479 ebc55e2d 2018-12-24 stsp struct got_object_id *id, int pack_idx)
481 41496140 2019-02-21 stsp const struct got_error *err = NULL;
482 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
483 d5c81d44 2021-07-08 stsp void *data;
484 ebc55e2d 2018-12-24 stsp size_t len;
486 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* blob is packed */
487 ebc55e2d 2018-12-24 stsp iobj.idx = pack_idx;
488 ebc55e2d 2018-12-24 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
489 d5c81d44 2021-07-08 stsp data = &iobj;
490 ebc55e2d 2018-12-24 stsp len = sizeof(iobj);
493 d5c81d44 2021-07-08 stsp len = sizeof(*id);
496 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_REQUEST, 0, 0, infd, data, len)
498 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_REQUEST");
499 41496140 2019-02-21 stsp close(infd);
500 41496140 2019-02-21 stsp return err;
503 55da3778 2018-09-10 stsp return flush_imsg(ibuf);
506 55da3778 2018-09-10 stsp const struct got_error *
507 55da3778 2018-09-10 stsp got_privsep_send_blob_outfd(struct imsgbuf *ibuf, int outfd)
509 41496140 2019-02-21 stsp const struct got_error *err = NULL;
511 ad242220 2018-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_OUTFD, 0, 0, outfd, NULL, 0)
513 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_OUTFD");
514 41496140 2019-02-21 stsp close(outfd);
515 41496140 2019-02-21 stsp return err;
518 3840f4c9 2018-09-12 stsp return flush_imsg(ibuf);
521 73ab1060 2020-03-18 stsp static const struct got_error *
522 73ab1060 2020-03-18 stsp send_fd(struct imsgbuf *ibuf, int imsg_code, int fd)
524 41496140 2019-02-21 stsp const struct got_error *err = NULL;
526 73ab1060 2020-03-18 stsp if (imsg_compose(ibuf, imsg_code, 0, 0, fd, NULL, 0) == -1) {
527 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TMPFD");
529 41496140 2019-02-21 stsp return err;
532 ad242220 2018-09-08 stsp return flush_imsg(ibuf);
535 ad242220 2018-09-08 stsp const struct got_error *
536 73ab1060 2020-03-18 stsp got_privsep_send_tmpfd(struct imsgbuf *ibuf, int fd)
538 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_TMPFD, fd);
541 73ab1060 2020-03-18 stsp const struct got_error *
542 876c234b 2018-09-10 stsp got_privsep_send_obj(struct imsgbuf *ibuf, struct got_object *obj)
544 2178c42e 2018-04-22 stsp struct got_imsg_object iobj;
546 c59b3346 2018-09-11 stsp memcpy(iobj.id, obj->id.sha1, sizeof(iobj.id));
547 2178c42e 2018-04-22 stsp iobj.type = obj->type;
548 2178c42e 2018-04-22 stsp iobj.flags = obj->flags;
549 2178c42e 2018-04-22 stsp iobj.hdrlen = obj->hdrlen;
550 2178c42e 2018-04-22 stsp iobj.size = obj->size;
551 c59b3346 2018-09-11 stsp if (iobj.flags & GOT_OBJ_FLAG_PACKED) {
552 876c234b 2018-09-10 stsp iobj.pack_offset = obj->pack_offset;
553 c59b3346 2018-09-11 stsp iobj.pack_idx = obj->pack_idx;
556 2178c42e 2018-04-22 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT, 0, 0, -1, &iobj, sizeof(iobj))
558 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT");
560 c59b3346 2018-09-11 stsp return flush_imsg(ibuf);
563 cfd633c2 2018-09-10 stsp const struct got_error *
564 33501562 2020-03-18 stsp got_privsep_send_fetch_req(struct imsgbuf *ibuf, int fd,
565 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs, int fetch_all_branches,
566 abc59930 2021-09-05 naddy struct got_pathlist_head *wanted_branches,
567 abc59930 2021-09-05 naddy struct got_pathlist_head *wanted_refs, int list_refs_only, int verbosity)
569 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
570 33501562 2020-03-18 stsp struct ibuf *wbuf;
571 4ba14133 2020-03-20 stsp size_t len;
572 33501562 2020-03-18 stsp struct got_pathlist_entry *pe;
573 4ba14133 2020-03-20 stsp struct got_imsg_fetch_request fetchreq;
575 4ba14133 2020-03-20 stsp memset(&fetchreq, 0, sizeof(fetchreq));
576 4ba14133 2020-03-20 stsp fetchreq.fetch_all_branches = fetch_all_branches;
577 41b0de12 2020-03-21 stsp fetchreq.list_refs_only = list_refs_only;
578 2690194b 2020-03-21 stsp fetchreq.verbosity = verbosity;
579 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, have_refs, entry)
580 4ba14133 2020-03-20 stsp fetchreq.n_have_refs++;
581 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry)
582 4ba14133 2020-03-20 stsp fetchreq.n_wanted_branches++;
583 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry)
584 0e4002ca 2020-03-21 stsp fetchreq.n_wanted_refs++;
585 659e7fbd 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_request);
586 33501562 2020-03-18 stsp if (len >= MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
588 33501562 2020-03-18 stsp return got_error(GOT_ERR_NO_SPACE);
591 4ba14133 2020-03-20 stsp if (imsg_compose(ibuf, GOT_IMSG_FETCH_REQUEST, 0, 0, fd,
592 4ba14133 2020-03-20 stsp &fetchreq, sizeof(fetchreq)) == -1)
593 4ba14133 2020-03-20 stsp return got_error_from_errno(
594 4ba14133 2020-03-20 stsp "imsg_compose FETCH_SERVER_PROGRESS");
596 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
599 659e7fbd 2020-03-20 stsp return err;
603 33501562 2020-03-18 stsp TAILQ_FOREACH(pe, have_refs, entry) {
604 33501562 2020-03-18 stsp const char *name = pe->path;
605 33501562 2020-03-18 stsp size_t name_len = pe->path_len;
606 33501562 2020-03-18 stsp struct got_object_id *id = pe->data;
608 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_have_ref) + name_len;
609 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_HAVE_REF, 0, 0, len);
610 4ba14133 2020-03-20 stsp if (wbuf == NULL)
611 4ba14133 2020-03-20 stsp return got_error_from_errno("imsg_create FETCH_HAVE_REF");
613 33501562 2020-03-18 stsp /* Keep in sync with struct got_imsg_fetch_have_ref! */
614 33501562 2020-03-18 stsp if (imsg_add(wbuf, id->sha1, sizeof(id->sha1)) == -1) {
615 4ba14133 2020-03-20 stsp err = got_error_from_errno("imsg_add FETCH_HAVE_REF");
616 33501562 2020-03-18 stsp ibuf_free(wbuf);
617 33501562 2020-03-18 stsp return err;
619 33501562 2020-03-18 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1) {
620 4ba14133 2020-03-20 stsp err = got_error_from_errno("imsg_add FETCH_HAVE_REF");
621 33501562 2020-03-18 stsp ibuf_free(wbuf);
622 33501562 2020-03-18 stsp return err;
624 33501562 2020-03-18 stsp if (imsg_add(wbuf, name, name_len) == -1) {
625 4ba14133 2020-03-20 stsp err = got_error_from_errno("imsg_add FETCH_HAVE_REF");
626 33501562 2020-03-18 stsp ibuf_free(wbuf);
627 33501562 2020-03-18 stsp return err;
630 4ba14133 2020-03-20 stsp wbuf->fd = -1;
631 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
632 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
634 4ba14133 2020-03-20 stsp return err;
637 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry) {
638 4ba14133 2020-03-20 stsp const char *name = pe->path;
639 4ba14133 2020-03-20 stsp size_t name_len = pe->path_len;
641 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_wanted_branch) + name_len;
642 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_BRANCH, 0, 0,
644 4ba14133 2020-03-20 stsp if (wbuf == NULL)
645 4ba14133 2020-03-20 stsp return got_error_from_errno(
646 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_BRANCH");
648 4ba14133 2020-03-20 stsp /* Keep in sync with struct got_imsg_fetch_wanted_branch! */
649 4ba14133 2020-03-20 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1) {
650 4ba14133 2020-03-20 stsp err = got_error_from_errno(
651 4ba14133 2020-03-20 stsp "imsg_add FETCH_WANTED_BRANCH");
652 4ba14133 2020-03-20 stsp ibuf_free(wbuf);
653 4ba14133 2020-03-20 stsp return err;
655 4ba14133 2020-03-20 stsp if (imsg_add(wbuf, name, name_len) == -1) {
656 4ba14133 2020-03-20 stsp err = got_error_from_errno(
657 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_BRANCH");
658 4ba14133 2020-03-20 stsp ibuf_free(wbuf);
659 4ba14133 2020-03-20 stsp return err;
662 4ba14133 2020-03-20 stsp wbuf->fd = -1;
663 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
664 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
666 4ba14133 2020-03-20 stsp return err;
669 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry) {
670 0e4002ca 2020-03-21 stsp const char *name = pe->path;
671 0e4002ca 2020-03-21 stsp size_t name_len = pe->path_len;
673 0e4002ca 2020-03-21 stsp len = sizeof(struct got_imsg_fetch_wanted_ref) + name_len;
674 0e4002ca 2020-03-21 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_REF, 0, 0,
676 0e4002ca 2020-03-21 stsp if (wbuf == NULL)
677 0e4002ca 2020-03-21 stsp return got_error_from_errno(
678 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_REF");
680 0e4002ca 2020-03-21 stsp /* Keep in sync with struct got_imsg_fetch_wanted_ref! */
681 0e4002ca 2020-03-21 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1) {
682 0e4002ca 2020-03-21 stsp err = got_error_from_errno(
683 0e4002ca 2020-03-21 stsp "imsg_add FETCH_WANTED_REF");
684 0e4002ca 2020-03-21 stsp ibuf_free(wbuf);
685 0e4002ca 2020-03-21 stsp return err;
687 0e4002ca 2020-03-21 stsp if (imsg_add(wbuf, name, name_len) == -1) {
688 0e4002ca 2020-03-21 stsp err = got_error_from_errno(
689 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_REF");
690 0e4002ca 2020-03-21 stsp ibuf_free(wbuf);
691 0e4002ca 2020-03-21 stsp return err;
694 0e4002ca 2020-03-21 stsp wbuf->fd = -1;
695 0e4002ca 2020-03-21 stsp imsg_close(ibuf, wbuf);
696 0e4002ca 2020-03-21 stsp err = flush_imsg(ibuf);
698 0e4002ca 2020-03-21 stsp return err;
702 4ba14133 2020-03-20 stsp return NULL;
706 93658fb9 2020-03-18 stsp const struct got_error *
707 f826addf 2020-03-18 stsp got_privsep_send_fetch_outfd(struct imsgbuf *ibuf, int fd)
709 f826addf 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_FETCH_OUTFD, fd);
712 531c3985 2020-03-18 stsp const struct got_error *
713 8f2d01a6 2020-03-18 stsp got_privsep_recv_fetch_progress(int *done, struct got_object_id **id,
714 531c3985 2020-03-18 stsp char **refname, struct got_pathlist_head *symrefs, char **server_progress,
715 1d72a2a0 2020-03-24 stsp off_t *packfile_size, uint8_t *pack_sha1, struct imsgbuf *ibuf)
717 b9f99abf 2020-03-18 stsp const struct got_error *err = NULL;
718 b9f99abf 2020-03-18 stsp struct imsg imsg;
719 b9f99abf 2020-03-18 stsp size_t datalen;
720 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symrefs *isymrefs = NULL;
721 abe0f35f 2020-03-18 stsp size_t n, remain;
726 8f2d01a6 2020-03-18 stsp *id = NULL;
727 b9f99abf 2020-03-18 stsp *refname = NULL;
728 531c3985 2020-03-18 stsp *server_progress = NULL;
729 5a489642 2020-03-19 stsp *packfile_size = 0;
730 1d72a2a0 2020-03-24 stsp memset(pack_sha1, 0, SHA1_DIGEST_LENGTH);
732 531c3985 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
734 b9f99abf 2020-03-18 stsp return err;
736 b9f99abf 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
737 b9f99abf 2020-03-18 stsp switch (imsg.hdr.type) {
738 b9f99abf 2020-03-18 stsp case GOT_IMSG_ERROR:
739 531c3985 2020-03-18 stsp if (datalen < sizeof(struct got_imsg_error)) {
740 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
743 b9f99abf 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
745 abe0f35f 2020-03-18 stsp case GOT_IMSG_FETCH_SYMREFS:
746 abe0f35f 2020-03-18 stsp if (datalen < sizeof(*isymrefs)) {
747 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
750 abe0f35f 2020-03-18 stsp if (isymrefs != NULL) {
751 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
754 abe0f35f 2020-03-18 stsp isymrefs = (struct got_imsg_fetch_symrefs *)imsg.data;
755 abe0f35f 2020-03-18 stsp off = sizeof(*isymrefs);
756 abe0f35f 2020-03-18 stsp remain = datalen - off;
757 abe0f35f 2020-03-18 stsp for (n = 0; n < isymrefs->nsymrefs; n++) {
758 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symref *s;
759 abe0f35f 2020-03-18 stsp char *name, *target;
760 abe0f35f 2020-03-18 stsp if (remain < sizeof(struct got_imsg_fetch_symref)) {
761 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
764 abe0f35f 2020-03-18 stsp s = (struct got_imsg_fetch_symref *)(imsg.data + off);
765 abe0f35f 2020-03-18 stsp off += sizeof(*s);
766 abe0f35f 2020-03-18 stsp remain -= sizeof(*s);
767 abe0f35f 2020-03-18 stsp if (remain < s->name_len) {
768 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
771 abe0f35f 2020-03-18 stsp name = strndup(imsg.data + off, s->name_len);
772 abe0f35f 2020-03-18 stsp if (name == NULL) {
773 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
776 abe0f35f 2020-03-18 stsp off += s->name_len;
777 abe0f35f 2020-03-18 stsp remain -= s->name_len;
778 abe0f35f 2020-03-18 stsp if (remain < s->target_len) {
779 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
780 abe0f35f 2020-03-18 stsp free(name);
783 abe0f35f 2020-03-18 stsp target = strndup(imsg.data + off, s->target_len);
784 abe0f35f 2020-03-18 stsp if (target == NULL) {
785 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
786 abe0f35f 2020-03-18 stsp free(name);
789 abe0f35f 2020-03-18 stsp off += s->target_len;
790 abe0f35f 2020-03-18 stsp remain -= s->target_len;
791 abe0f35f 2020-03-18 stsp err = got_pathlist_append(symrefs, name, target);
793 abe0f35f 2020-03-18 stsp free(name);
794 abe0f35f 2020-03-18 stsp free(target);
799 ea7396b9 2020-03-18 stsp case GOT_IMSG_FETCH_REF:
800 531c3985 2020-03-18 stsp if (datalen <= SHA1_DIGEST_LENGTH) {
801 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
804 8f2d01a6 2020-03-18 stsp *id = malloc(sizeof(**id));
805 8f2d01a6 2020-03-18 stsp if (*id == NULL) {
806 b9f99abf 2020-03-18 stsp err = got_error_from_errno("malloc");
809 8f2d01a6 2020-03-18 stsp memcpy((*id)->sha1, imsg.data, SHA1_DIGEST_LENGTH);
810 b9f99abf 2020-03-18 stsp *refname = strndup(imsg.data + SHA1_DIGEST_LENGTH,
811 b9f99abf 2020-03-18 stsp datalen - SHA1_DIGEST_LENGTH);
812 b9f99abf 2020-03-18 stsp if (*refname == NULL) {
813 b9f99abf 2020-03-18 stsp err = got_error_from_errno("strndup");
817 531c3985 2020-03-18 stsp case GOT_IMSG_FETCH_SERVER_PROGRESS:
818 531c3985 2020-03-18 stsp if (datalen == 0) {
819 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
822 531c3985 2020-03-18 stsp *server_progress = strndup(imsg.data, datalen);
823 531c3985 2020-03-18 stsp if (*server_progress == NULL) {
824 531c3985 2020-03-18 stsp err = got_error_from_errno("strndup");
827 531c3985 2020-03-18 stsp for (i = 0; i < datalen; i++) {
828 531c3985 2020-03-18 stsp if (!isprint((unsigned char)(*server_progress)[i]) &&
829 531c3985 2020-03-18 stsp !isspace((unsigned char)(*server_progress)[i])) {
830 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
831 531c3985 2020-03-18 stsp free(*server_progress);
832 531c3985 2020-03-18 stsp *server_progress = NULL;
837 d2cdc636 2020-03-18 stsp case GOT_IMSG_FETCH_DOWNLOAD_PROGRESS:
838 d2cdc636 2020-03-18 stsp if (datalen < sizeof(*packfile_size)) {
839 d2cdc636 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
842 d2cdc636 2020-03-18 stsp memcpy(packfile_size, imsg.data, sizeof(*packfile_size));
844 8f2d01a6 2020-03-18 stsp case GOT_IMSG_FETCH_DONE:
845 8f2d01a6 2020-03-18 stsp if (datalen != SHA1_DIGEST_LENGTH) {
846 8f2d01a6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
849 1d72a2a0 2020-03-24 stsp memcpy(pack_sha1, imsg.data, SHA1_DIGEST_LENGTH);
853 b887aab6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
859 8f2d01a6 2020-03-18 stsp *id = NULL;
860 b887aab6 2020-03-18 stsp free(*refname);
861 b887aab6 2020-03-18 stsp *refname = NULL;
863 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
864 f8a36e22 2021-08-26 stsp return err;
867 f8a36e22 2021-08-26 stsp static const struct got_error *
868 f8a36e22 2021-08-26 stsp send_send_ref(const char *name, size_t name_len, struct got_object_id *id,
869 f8a36e22 2021-08-26 stsp int delete, struct imsgbuf *ibuf)
871 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
872 f8a36e22 2021-08-26 stsp size_t len;
873 f8a36e22 2021-08-26 stsp struct ibuf *wbuf;
875 f8a36e22 2021-08-26 stsp len = sizeof(struct got_imsg_send_ref) + name_len;
876 f8a36e22 2021-08-26 stsp wbuf = imsg_create(ibuf, GOT_IMSG_SEND_REF, 0, 0, len);
877 f8a36e22 2021-08-26 stsp if (wbuf == NULL)
878 f8a36e22 2021-08-26 stsp return got_error_from_errno("imsg_create SEND_REF");
880 f8a36e22 2021-08-26 stsp /* Keep in sync with struct got_imsg_send_ref! */
881 f8a36e22 2021-08-26 stsp if (imsg_add(wbuf, id->sha1, sizeof(id->sha1)) == -1) {
882 f8a36e22 2021-08-26 stsp err = got_error_from_errno("imsg_add SEND_REF");
883 f8a36e22 2021-08-26 stsp ibuf_free(wbuf);
884 f8a36e22 2021-08-26 stsp return err;
886 f8a36e22 2021-08-26 stsp if (imsg_add(wbuf, &delete, sizeof(delete)) == -1) {
887 f8a36e22 2021-08-26 stsp err = got_error_from_errno("imsg_add SEND_REF");
888 f8a36e22 2021-08-26 stsp ibuf_free(wbuf);
889 f8a36e22 2021-08-26 stsp return err;
891 f8a36e22 2021-08-26 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1) {
892 f8a36e22 2021-08-26 stsp err = got_error_from_errno("imsg_add SEND_REF");
893 f8a36e22 2021-08-26 stsp ibuf_free(wbuf);
894 f8a36e22 2021-08-26 stsp return err;
896 f8a36e22 2021-08-26 stsp if (imsg_add(wbuf, name, name_len) == -1) {
897 f8a36e22 2021-08-26 stsp err = got_error_from_errno("imsg_add SEND_REF");
898 f8a36e22 2021-08-26 stsp ibuf_free(wbuf);
899 f8a36e22 2021-08-26 stsp return err;
902 f8a36e22 2021-08-26 stsp wbuf->fd = -1;
903 f8a36e22 2021-08-26 stsp imsg_close(ibuf, wbuf);
904 f8a36e22 2021-08-26 stsp return flush_imsg(ibuf);
907 f8a36e22 2021-08-26 stsp const struct got_error *
908 f8a36e22 2021-08-26 stsp got_privsep_send_send_req(struct imsgbuf *ibuf, int fd,
909 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs,
910 abc59930 2021-09-05 naddy struct got_pathlist_head *delete_refs,
911 abc59930 2021-09-05 naddy int verbosity)
913 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
914 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *pe;
915 f8a36e22 2021-08-26 stsp struct got_imsg_send_request sendreq;
916 f8a36e22 2021-08-26 stsp struct got_object_id zero_id;
918 f8a36e22 2021-08-26 stsp memset(&zero_id, 0, sizeof(zero_id));
919 f8a36e22 2021-08-26 stsp memset(&sendreq, 0, sizeof(sendreq));
920 f8a36e22 2021-08-26 stsp sendreq.verbosity = verbosity;
921 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry)
922 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
923 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry)
924 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
925 f8a36e22 2021-08-26 stsp if (imsg_compose(ibuf, GOT_IMSG_SEND_REQUEST, 0, 0, fd,
926 f8a36e22 2021-08-26 stsp &sendreq, sizeof(sendreq)) == -1) {
927 f8a36e22 2021-08-26 stsp err = got_error_from_errno(
928 f8a36e22 2021-08-26 stsp "imsg_compose FETCH_SERVER_PROGRESS");
932 f8a36e22 2021-08-26 stsp err = flush_imsg(ibuf);
937 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry) {
938 f8a36e22 2021-08-26 stsp const char *name = pe->path;
939 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
940 f8a36e22 2021-08-26 stsp struct got_object_id *id = pe->data;
941 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, id, 0, ibuf);
946 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry) {
947 f8a36e22 2021-08-26 stsp const char *name = pe->path;
948 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
949 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, &zero_id, 1, ibuf);
954 f8a36e22 2021-08-26 stsp if (fd != -1 && close(fd) == -1 && err == NULL)
955 f8a36e22 2021-08-26 stsp err = got_error_from_errno("close");
956 f8a36e22 2021-08-26 stsp return err;
960 f8a36e22 2021-08-26 stsp const struct got_error *
961 f8a36e22 2021-08-26 stsp got_privsep_recv_send_remote_refs(struct got_pathlist_head *remote_refs,
962 f8a36e22 2021-08-26 stsp struct imsgbuf *ibuf)
964 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
965 f8a36e22 2021-08-26 stsp struct imsg imsg;
966 f8a36e22 2021-08-26 stsp size_t datalen;
967 f8a36e22 2021-08-26 stsp int done = 0;
968 f8a36e22 2021-08-26 stsp struct got_imsg_send_remote_ref iremote_ref;
969 f8a36e22 2021-08-26 stsp struct got_object_id *id = NULL;
970 f8a36e22 2021-08-26 stsp char *refname = NULL;
971 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *new;
973 f8a36e22 2021-08-26 stsp while (!done) {
974 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
976 f8a36e22 2021-08-26 stsp return err;
977 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
978 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
979 f8a36e22 2021-08-26 stsp case GOT_IMSG_ERROR:
980 f8a36e22 2021-08-26 stsp if (datalen < sizeof(struct got_imsg_error)) {
981 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
984 f8a36e22 2021-08-26 stsp err = recv_imsg_error(&imsg, datalen);
986 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REMOTE_REF:
987 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iremote_ref)) {
988 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
991 f8a36e22 2021-08-26 stsp memcpy(&iremote_ref, imsg.data, sizeof(iremote_ref));
992 f8a36e22 2021-08-26 stsp if (datalen != sizeof(iremote_ref) +
993 f8a36e22 2021-08-26 stsp iremote_ref.name_len) {
994 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
997 f8a36e22 2021-08-26 stsp id = malloc(sizeof(*id));
998 f8a36e22 2021-08-26 stsp if (id == NULL) {
999 f8a36e22 2021-08-26 stsp err = got_error_from_errno("malloc");
1000 f8a36e22 2021-08-26 stsp goto done;
1002 f8a36e22 2021-08-26 stsp memcpy(id->sha1, iremote_ref.id, SHA1_DIGEST_LENGTH);
1003 f8a36e22 2021-08-26 stsp refname = strndup(imsg.data + sizeof(iremote_ref),
1004 f8a36e22 2021-08-26 stsp datalen - sizeof(iremote_ref));
1005 f8a36e22 2021-08-26 stsp if (refname == NULL) {
1006 f8a36e22 2021-08-26 stsp err = got_error_from_errno("strndup");
1007 f8a36e22 2021-08-26 stsp goto done;
1009 f8a36e22 2021-08-26 stsp err = got_pathlist_insert(&new, remote_refs,
1010 f8a36e22 2021-08-26 stsp refname, id);
1012 f8a36e22 2021-08-26 stsp goto done;
1013 f8a36e22 2021-08-26 stsp if (new == NULL) { /* duplicate which wasn't inserted */
1015 f8a36e22 2021-08-26 stsp free(refname);
1017 f8a36e22 2021-08-26 stsp id = NULL;
1018 f8a36e22 2021-08-26 stsp refname = NULL;
1020 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_PACK_REQUEST:
1021 f8a36e22 2021-08-26 stsp if (datalen != 0) {
1022 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1023 f8a36e22 2021-08-26 stsp goto done;
1025 f8a36e22 2021-08-26 stsp /* got-send-pack is now waiting for a pack file. */
1029 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1035 f8a36e22 2021-08-26 stsp free(refname);
1036 b9f99abf 2020-03-18 stsp imsg_free(&imsg);
1037 b9f99abf 2020-03-18 stsp return err;
1040 93658fb9 2020-03-18 stsp const struct got_error *
1041 f8a36e22 2021-08-26 stsp got_privsep_send_packfd(struct imsgbuf *ibuf, int fd)
1043 f8a36e22 2021-08-26 stsp return send_fd(ibuf, GOT_IMSG_SEND_PACKFD, fd);
1046 f8a36e22 2021-08-26 stsp const struct got_error *
1047 f8a36e22 2021-08-26 stsp got_privsep_recv_send_progress(int *done, off_t *bytes_sent,
1048 f8a36e22 2021-08-26 stsp int *success, char **refname, struct imsgbuf *ibuf)
1050 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
1051 f8a36e22 2021-08-26 stsp struct imsg imsg;
1052 f8a36e22 2021-08-26 stsp size_t datalen;
1053 f8a36e22 2021-08-26 stsp struct got_imsg_send_ref_status iref_status;
1055 f8a36e22 2021-08-26 stsp /* Do not reset the current value of 'bytes_sent', it accumulates. */
1056 f8a36e22 2021-08-26 stsp *done = 0;
1057 f8a36e22 2021-08-26 stsp *success = 0;
1058 f8a36e22 2021-08-26 stsp *refname = NULL;
1060 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1062 f8a36e22 2021-08-26 stsp return err;
1064 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1065 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
1066 f8a36e22 2021-08-26 stsp case GOT_IMSG_ERROR:
1067 f8a36e22 2021-08-26 stsp if (datalen < sizeof(struct got_imsg_error)) {
1068 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1071 f8a36e22 2021-08-26 stsp err = recv_imsg_error(&imsg, datalen);
1073 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_UPLOAD_PROGRESS:
1074 f8a36e22 2021-08-26 stsp if (datalen < sizeof(*bytes_sent)) {
1075 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1078 f8a36e22 2021-08-26 stsp memcpy(bytes_sent, imsg.data, sizeof(*bytes_sent));
1080 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REF_STATUS:
1081 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iref_status)) {
1082 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1085 f8a36e22 2021-08-26 stsp memcpy(&iref_status, imsg.data, sizeof(iref_status));
1086 f8a36e22 2021-08-26 stsp if (datalen != sizeof(iref_status) + iref_status.name_len) {
1087 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1090 f8a36e22 2021-08-26 stsp *success = iref_status.success;
1091 f8a36e22 2021-08-26 stsp *refname = strndup(imsg.data + sizeof(iref_status),
1092 f8a36e22 2021-08-26 stsp iref_status.name_len);
1094 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_DONE:
1095 f8a36e22 2021-08-26 stsp if (datalen != 0) {
1096 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1099 f8a36e22 2021-08-26 stsp *done = 1;
1102 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1106 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
1107 f8a36e22 2021-08-26 stsp return err;
1110 f8a36e22 2021-08-26 stsp const struct got_error *
1111 fd251256 2020-03-24 stsp got_privsep_send_index_pack_req(struct imsgbuf *ibuf, uint8_t *pack_sha1,
1114 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1116 668a20f6 2020-03-18 stsp /* Keep in sync with struct got_imsg_index_pack_request */
1117 93658fb9 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_IDXPACK_REQUEST, 0, 0, fd,
1118 fd251256 2020-03-24 stsp pack_sha1, SHA1_DIGEST_LENGTH) == -1) {
1119 93658fb9 2020-03-18 stsp err = got_error_from_errno("imsg_compose INDEX_REQUEST");
1120 93658fb9 2020-03-18 stsp close(fd);
1121 93658fb9 2020-03-18 stsp return err;
1123 baa9fea0 2020-03-18 stsp return flush_imsg(ibuf);
1126 baa9fea0 2020-03-18 stsp const struct got_error *
1127 73ab1060 2020-03-18 stsp got_privsep_send_index_pack_outfd(struct imsgbuf *ibuf, int fd)
1129 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_IDXPACK_OUTFD, fd);
1132 73ab1060 2020-03-18 stsp const struct got_error *
1133 668a20f6 2020-03-18 stsp got_privsep_recv_index_progress(int *done, int *nobj_total,
1134 668a20f6 2020-03-18 stsp int *nobj_indexed, int *nobj_loose, int *nobj_resolved,
1135 668a20f6 2020-03-18 stsp struct imsgbuf *ibuf)
1137 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1138 93658fb9 2020-03-18 stsp struct imsg imsg;
1139 baa9fea0 2020-03-18 stsp struct got_imsg_index_pack_progress *iprogress;
1140 baa9fea0 2020-03-18 stsp size_t datalen;
1142 baa9fea0 2020-03-18 stsp *done = 0;
1143 668a20f6 2020-03-18 stsp *nobj_total = 0;
1144 668a20f6 2020-03-18 stsp *nobj_indexed = 0;
1145 668a20f6 2020-03-18 stsp *nobj_resolved = 0;
1147 93658fb9 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1149 93658fb9 2020-03-18 stsp return err;
1151 baa9fea0 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1152 baa9fea0 2020-03-18 stsp switch (imsg.hdr.type) {
1153 baa9fea0 2020-03-18 stsp case GOT_IMSG_ERROR:
1154 baa9fea0 2020-03-18 stsp if (datalen < sizeof(struct got_imsg_error)) {
1155 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1158 baa9fea0 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
1160 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_PROGRESS:
1161 baa9fea0 2020-03-18 stsp if (datalen < sizeof(*iprogress)) {
1162 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1165 baa9fea0 2020-03-18 stsp iprogress = (struct got_imsg_index_pack_progress *)imsg.data;
1166 668a20f6 2020-03-18 stsp *nobj_total = iprogress->nobj_total;
1167 668a20f6 2020-03-18 stsp *nobj_indexed = iprogress->nobj_indexed;
1168 668a20f6 2020-03-18 stsp *nobj_loose = iprogress->nobj_loose;
1169 668a20f6 2020-03-18 stsp *nobj_resolved = iprogress->nobj_resolved;
1171 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_DONE:
1172 baa9fea0 2020-03-18 stsp if (datalen != 0) {
1173 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1176 baa9fea0 2020-03-18 stsp *done = 1;
1179 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1183 93658fb9 2020-03-18 stsp imsg_free(&imsg);
1184 baa9fea0 2020-03-18 stsp return err;
1187 93658fb9 2020-03-18 stsp const struct got_error *
1188 cfd633c2 2018-09-10 stsp got_privsep_get_imsg_obj(struct got_object **obj, struct imsg *imsg,
1189 cfd633c2 2018-09-10 stsp struct imsgbuf *ibuf)
1191 291624d8 2018-11-07 stsp struct got_imsg_object *iobj;
1192 cfd633c2 2018-09-10 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1194 291624d8 2018-11-07 stsp if (datalen != sizeof(*iobj))
1195 cfd633c2 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1196 291624d8 2018-11-07 stsp iobj = imsg->data;
1198 cfd633c2 2018-09-10 stsp *obj = calloc(1, sizeof(**obj));
1199 cfd633c2 2018-09-10 stsp if (*obj == NULL)
1200 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
1202 291624d8 2018-11-07 stsp memcpy((*obj)->id.sha1, iobj->id, SHA1_DIGEST_LENGTH);
1203 291624d8 2018-11-07 stsp (*obj)->type = iobj->type;
1204 291624d8 2018-11-07 stsp (*obj)->flags = iobj->flags;
1205 291624d8 2018-11-07 stsp (*obj)->hdrlen = iobj->hdrlen;
1206 291624d8 2018-11-07 stsp (*obj)->size = iobj->size;
1207 c59b3346 2018-09-11 stsp /* path_packfile is handled by caller */
1208 291624d8 2018-11-07 stsp if (iobj->flags & GOT_OBJ_FLAG_PACKED) {
1209 291624d8 2018-11-07 stsp (*obj)->pack_offset = iobj->pack_offset;
1210 291624d8 2018-11-07 stsp (*obj)->pack_idx = iobj->pack_idx;
1212 d1b988e3 2022-01-26 stsp STAILQ_INIT(&(*obj)->deltas.entries);
1213 9296b03b 2022-01-26 stsp return NULL;
1216 2178c42e 2018-04-22 stsp const struct got_error *
1217 2178c42e 2018-04-22 stsp got_privsep_recv_obj(struct got_object **obj, struct imsgbuf *ibuf)
1219 2178c42e 2018-04-22 stsp const struct got_error *err = NULL;
1220 2178c42e 2018-04-22 stsp struct imsg imsg;
1221 c4eae628 2018-04-23 stsp const size_t min_datalen =
1222 c4eae628 2018-04-23 stsp MIN(sizeof(struct got_imsg_error), sizeof(struct got_imsg_object));
1224 2178c42e 2018-04-22 stsp *obj = NULL;
1226 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1228 2178c42e 2018-04-22 stsp return err;
1230 2178c42e 2018-04-22 stsp switch (imsg.hdr.type) {
1231 2178c42e 2018-04-22 stsp case GOT_IMSG_OBJECT:
1232 cfd633c2 2018-09-10 stsp err = got_privsep_get_imsg_obj(obj, &imsg, ibuf);
1235 bff6ca00 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1239 bff6ca00 2018-04-23 stsp imsg_free(&imsg);
1241 bff6ca00 2018-04-23 stsp return err;
1244 c75f7264 2018-09-11 stsp static const struct got_error *
1245 c75f7264 2018-09-11 stsp send_commit_logmsg(struct imsgbuf *ibuf, struct got_commit_object *commit,
1246 c75f7264 2018-09-11 stsp size_t logmsg_len)
1248 fa4ffeb3 2018-11-04 stsp const struct got_error *err = NULL;
1249 c75f7264 2018-09-11 stsp size_t offset, remain;
1251 c75f7264 2018-09-11 stsp offset = 0;
1252 c75f7264 2018-09-11 stsp remain = logmsg_len;
1253 c75f7264 2018-09-11 stsp while (remain > 0) {
1254 c75f7264 2018-09-11 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1256 c75f7264 2018-09-11 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_LOGMSG, 0, 0, -1,
1257 fa4ffeb3 2018-11-04 stsp commit->logmsg + offset, n) == -1) {
1258 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose "
1259 230a42bd 2019-05-11 jcs "COMMIT_LOGMSG");
1263 fa4ffeb3 2018-11-04 stsp err = flush_imsg(ibuf);
1267 c75f7264 2018-09-11 stsp offset += n;
1268 c75f7264 2018-09-11 stsp remain -= n;
1271 fa4ffeb3 2018-11-04 stsp return err;
1274 bff6ca00 2018-04-23 stsp const struct got_error *
1275 068fd2bf 2018-04-24 stsp got_privsep_send_commit(struct imsgbuf *ibuf, struct got_commit_object *commit)
1277 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1278 b9c33926 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1279 bff6ca00 2018-04-23 stsp uint8_t *buf;
1280 bff6ca00 2018-04-23 stsp size_t len, total;
1281 79f35eb3 2018-06-11 stsp struct got_object_qid *qid;
1282 b9c33926 2018-11-07 stsp size_t author_len = strlen(commit->author);
1283 b9c33926 2018-11-07 stsp size_t committer_len = strlen(commit->committer);
1284 c75f7264 2018-09-11 stsp size_t logmsg_len = strlen(commit->logmsg);
1286 b9c33926 2018-11-07 stsp total = sizeof(*icommit) + author_len + committer_len +
1287 b9c33926 2018-11-07 stsp commit->nparents * SHA1_DIGEST_LENGTH;
1289 bff6ca00 2018-04-23 stsp buf = malloc(total);
1290 bff6ca00 2018-04-23 stsp if (buf == NULL)
1291 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1293 b9c33926 2018-11-07 stsp icommit = (struct got_imsg_commit_object *)buf;
1294 a7403916 2018-12-24 stsp memcpy(icommit->tree_id, commit->tree_id->sha1,
1295 a7403916 2018-12-24 stsp sizeof(icommit->tree_id));
1296 b9c33926 2018-11-07 stsp icommit->author_len = author_len;
1297 b9c33926 2018-11-07 stsp icommit->author_time = commit->author_time;
1298 b9c33926 2018-11-07 stsp icommit->author_gmtoff = commit->author_gmtoff;
1299 b9c33926 2018-11-07 stsp icommit->committer_len = committer_len;
1300 b9c33926 2018-11-07 stsp icommit->committer_time = commit->committer_time;
1301 b9c33926 2018-11-07 stsp icommit->committer_gmtoff = commit->committer_gmtoff;
1302 b9c33926 2018-11-07 stsp icommit->logmsg_len = logmsg_len;
1303 b9c33926 2018-11-07 stsp icommit->nparents = commit->nparents;
1305 b9c33926 2018-11-07 stsp len = sizeof(*icommit);
1306 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->author, author_len);
1307 b9c33926 2018-11-07 stsp len += author_len;
1308 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->committer, committer_len);
1309 b9c33926 2018-11-07 stsp len += committer_len;
1310 dbdddfee 2021-06-23 naddy STAILQ_FOREACH(qid, &commit->parent_ids, entry) {
1311 79f35eb3 2018-06-11 stsp memcpy(buf + len, qid->id, SHA1_DIGEST_LENGTH);
1312 86acc566 2018-04-23 stsp len += SHA1_DIGEST_LENGTH;
1315 bff6ca00 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT, 0, 0, -1, buf, len) == -1) {
1316 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT");
1317 bff6ca00 2018-04-23 stsp goto done;
1320 904df868 2018-11-04 stsp if (logmsg_len == 0 ||
1321 904df868 2018-11-04 stsp logmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1322 904df868 2018-11-04 stsp err = flush_imsg(ibuf);
1324 904df868 2018-11-04 stsp goto done;
1326 c75f7264 2018-09-11 stsp err = send_commit_logmsg(ibuf, commit, logmsg_len);
1328 bff6ca00 2018-04-23 stsp free(buf);
1329 bff6ca00 2018-04-23 stsp return err;
1332 ca6e02ac 2020-01-07 stsp static const struct got_error *
1333 ca6e02ac 2020-01-07 stsp get_commit_from_imsg(struct got_commit_object **commit,
1334 ca6e02ac 2020-01-07 stsp struct imsg *imsg, size_t datalen, struct imsgbuf *ibuf)
1336 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1337 291624d8 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1338 ca6e02ac 2020-01-07 stsp size_t len = 0;
1341 ca6e02ac 2020-01-07 stsp if (datalen < sizeof(*icommit))
1342 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1344 ca6e02ac 2020-01-07 stsp icommit = imsg->data;
1345 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommit) + icommit->author_len +
1346 ca6e02ac 2020-01-07 stsp icommit->committer_len +
1347 ca6e02ac 2020-01-07 stsp icommit->nparents * SHA1_DIGEST_LENGTH)
1348 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1350 ca6e02ac 2020-01-07 stsp if (icommit->nparents < 0)
1351 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1353 ca6e02ac 2020-01-07 stsp len += sizeof(*icommit);
1355 ca6e02ac 2020-01-07 stsp *commit = got_object_commit_alloc_partial();
1356 ca6e02ac 2020-01-07 stsp if (*commit == NULL)
1357 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
1358 ca6e02ac 2020-01-07 stsp "got_object_commit_alloc_partial");
1360 ca6e02ac 2020-01-07 stsp memcpy((*commit)->tree_id->sha1, icommit->tree_id,
1361 ca6e02ac 2020-01-07 stsp SHA1_DIGEST_LENGTH);
1362 ca6e02ac 2020-01-07 stsp (*commit)->author_time = icommit->author_time;
1363 ca6e02ac 2020-01-07 stsp (*commit)->author_gmtoff = icommit->author_gmtoff;
1364 ca6e02ac 2020-01-07 stsp (*commit)->committer_time = icommit->committer_time;
1365 ca6e02ac 2020-01-07 stsp (*commit)->committer_gmtoff = icommit->committer_gmtoff;
1367 ca6e02ac 2020-01-07 stsp if (icommit->author_len == 0) {
1368 ca6e02ac 2020-01-07 stsp (*commit)->author = strdup("");
1369 ca6e02ac 2020-01-07 stsp if ((*commit)->author == NULL) {
1370 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1371 ca6e02ac 2020-01-07 stsp goto done;
1374 ca6e02ac 2020-01-07 stsp (*commit)->author = malloc(icommit->author_len + 1);
1375 ca6e02ac 2020-01-07 stsp if ((*commit)->author == NULL) {
1376 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1377 ca6e02ac 2020-01-07 stsp goto done;
1379 ca6e02ac 2020-01-07 stsp memcpy((*commit)->author, imsg->data + len,
1380 ca6e02ac 2020-01-07 stsp icommit->author_len);
1381 ca6e02ac 2020-01-07 stsp (*commit)->author[icommit->author_len] = '\0';
1383 ca6e02ac 2020-01-07 stsp len += icommit->author_len;
1385 ca6e02ac 2020-01-07 stsp if (icommit->committer_len == 0) {
1386 ca6e02ac 2020-01-07 stsp (*commit)->committer = strdup("");
1387 ca6e02ac 2020-01-07 stsp if ((*commit)->committer == NULL) {
1388 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1389 ca6e02ac 2020-01-07 stsp goto done;
1392 ca6e02ac 2020-01-07 stsp (*commit)->committer =
1393 ca6e02ac 2020-01-07 stsp malloc(icommit->committer_len + 1);
1394 ca6e02ac 2020-01-07 stsp if ((*commit)->committer == NULL) {
1395 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1396 ca6e02ac 2020-01-07 stsp goto done;
1398 ca6e02ac 2020-01-07 stsp memcpy((*commit)->committer, imsg->data + len,
1399 ca6e02ac 2020-01-07 stsp icommit->committer_len);
1400 ca6e02ac 2020-01-07 stsp (*commit)->committer[icommit->committer_len] = '\0';
1402 ca6e02ac 2020-01-07 stsp len += icommit->committer_len;
1404 ca6e02ac 2020-01-07 stsp if (icommit->logmsg_len == 0) {
1405 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = strdup("");
1406 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1407 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1408 ca6e02ac 2020-01-07 stsp goto done;
1411 ca6e02ac 2020-01-07 stsp size_t offset = 0, remain = icommit->logmsg_len;
1413 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = malloc(icommit->logmsg_len + 1);
1414 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1415 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1416 ca6e02ac 2020-01-07 stsp goto done;
1418 ca6e02ac 2020-01-07 stsp while (remain > 0) {
1419 ca6e02ac 2020-01-07 stsp struct imsg imsg_log;
1420 ca6e02ac 2020-01-07 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1423 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1425 ca6e02ac 2020-01-07 stsp goto done;
1427 ca6e02ac 2020-01-07 stsp if (imsg_log.hdr.type != GOT_IMSG_COMMIT_LOGMSG) {
1428 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1429 ca6e02ac 2020-01-07 stsp goto done;
1432 ca6e02ac 2020-01-07 stsp memcpy((*commit)->logmsg + offset,
1433 ca6e02ac 2020-01-07 stsp imsg_log.data, n);
1434 ca6e02ac 2020-01-07 stsp imsg_free(&imsg_log);
1435 ca6e02ac 2020-01-07 stsp offset += n;
1436 ca6e02ac 2020-01-07 stsp remain -= n;
1438 ca6e02ac 2020-01-07 stsp (*commit)->logmsg[icommit->logmsg_len] = '\0';
1441 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommit->nparents; i++) {
1442 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
1444 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
1447 ca6e02ac 2020-01-07 stsp memcpy(qid->id, imsg->data + len +
1448 ca6e02ac 2020-01-07 stsp i * SHA1_DIGEST_LENGTH, sizeof(*qid->id));
1449 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(&(*commit)->parent_ids, qid, entry);
1450 ca6e02ac 2020-01-07 stsp (*commit)->nparents++;
1453 ca6e02ac 2020-01-07 stsp if (err) {
1454 ca6e02ac 2020-01-07 stsp got_object_commit_close(*commit);
1455 ca6e02ac 2020-01-07 stsp *commit = NULL;
1457 ca6e02ac 2020-01-07 stsp return err;
1460 ca6e02ac 2020-01-07 stsp const struct got_error *
1461 ca6e02ac 2020-01-07 stsp got_privsep_recv_commit(struct got_commit_object **commit, struct imsgbuf *ibuf)
1463 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
1464 ca6e02ac 2020-01-07 stsp struct imsg imsg;
1465 ca6e02ac 2020-01-07 stsp size_t datalen;
1466 ca6e02ac 2020-01-07 stsp const size_t min_datalen =
1467 ca6e02ac 2020-01-07 stsp MIN(sizeof(struct got_imsg_error),
1468 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_object));
1470 ca6e02ac 2020-01-07 stsp *commit = NULL;
1472 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1474 ca6e02ac 2020-01-07 stsp return err;
1476 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1478 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
1479 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
1480 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(commit, &imsg, datalen, ibuf);
1483 8c580685 2018-04-22 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1487 2178c42e 2018-04-22 stsp imsg_free(&imsg);
1489 e033d803 2018-04-23 stsp return err;
1492 e033d803 2018-04-23 stsp const struct got_error *
1493 3022d272 2019-11-14 stsp got_privsep_send_tree(struct imsgbuf *ibuf, struct got_pathlist_head *entries,
1494 3022d272 2019-11-14 stsp int nentries)
1496 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
1497 e033d803 2018-04-23 stsp struct got_imsg_tree_object itree;
1498 3022d272 2019-11-14 stsp struct got_pathlist_entry *pe;
1499 b00c9821 2018-11-04 stsp size_t totlen;
1500 6eb07a17 2018-11-04 stsp int nimsg; /* number of imsg queued in ibuf */
1502 3022d272 2019-11-14 stsp itree.nentries = nentries;
1503 e033d803 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_TREE, 0, 0, -1, &itree, sizeof(itree))
1505 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose TREE");
1507 b00c9821 2018-11-04 stsp totlen = sizeof(itree);
1508 6eb07a17 2018-11-04 stsp nimsg = 1;
1509 3022d272 2019-11-14 stsp TAILQ_FOREACH(pe, entries, entry) {
1510 3022d272 2019-11-14 stsp const char *name = pe->path;
1511 3022d272 2019-11-14 stsp struct got_parsed_tree_entry *pte = pe->data;
1512 3022d272 2019-11-14 stsp struct ibuf *wbuf;
1513 3022d272 2019-11-14 stsp size_t namelen = strlen(name);
1514 cd9e913a 2019-11-27 stsp size_t len = sizeof(struct got_imsg_tree_entry) + namelen;
1516 e033d803 2018-04-23 stsp if (len > MAX_IMSGSIZE)
1517 e033d803 2018-04-23 stsp return got_error(GOT_ERR_NO_SPACE);
1520 6eb07a17 2018-11-04 stsp if (totlen + len >= MAX_IMSGSIZE - (IMSG_HEADER_SIZE * nimsg)) {
1521 b00c9821 2018-11-04 stsp err = flush_imsg(ibuf);
1523 b00c9821 2018-11-04 stsp return err;
1524 6eb07a17 2018-11-04 stsp nimsg = 0;
1527 3022d272 2019-11-14 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_ENTRY, 0, 0, len);
1528 3022d272 2019-11-14 stsp if (wbuf == NULL)
1529 3022d272 2019-11-14 stsp return got_error_from_errno("imsg_create TREE_ENTRY");
1531 3022d272 2019-11-14 stsp /* Keep in sync with struct got_imsg_tree_object definition! */
1532 3b647085 2019-11-23 stsp if (imsg_add(wbuf, pte->id, SHA1_DIGEST_LENGTH) == -1) {
1533 3022d272 2019-11-14 stsp err = got_error_from_errno("imsg_add TREE_ENTRY");
1534 3b647085 2019-11-23 stsp ibuf_free(wbuf);
1535 e033d803 2018-04-23 stsp return err;
1537 3b647085 2019-11-23 stsp if (imsg_add(wbuf, &pte->mode, sizeof(pte->mode)) == -1) {
1538 3022d272 2019-11-14 stsp err = got_error_from_errno("imsg_add TREE_ENTRY");
1539 3b647085 2019-11-23 stsp ibuf_free(wbuf);
1540 3022d272 2019-11-14 stsp return err;
1543 3b647085 2019-11-23 stsp if (imsg_add(wbuf, name, namelen) == -1) {
1544 3022d272 2019-11-14 stsp err = got_error_from_errno("imsg_add TREE_ENTRY");
1545 3b647085 2019-11-23 stsp ibuf_free(wbuf);
1546 3022d272 2019-11-14 stsp return err;
1549 3022d272 2019-11-14 stsp wbuf->fd = -1;
1550 3022d272 2019-11-14 stsp imsg_close(ibuf, wbuf);
1552 b00c9821 2018-11-04 stsp totlen += len;
1555 b00c9821 2018-11-04 stsp return flush_imsg(ibuf);
1558 e033d803 2018-04-23 stsp const struct got_error *
1559 068fd2bf 2018-04-24 stsp got_privsep_recv_tree(struct got_tree_object **tree, struct imsgbuf *ibuf)
1561 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
1562 e033d803 2018-04-23 stsp const size_t min_datalen =
1563 e033d803 2018-04-23 stsp MIN(sizeof(struct got_imsg_error),
1564 e033d803 2018-04-23 stsp sizeof(struct got_imsg_tree_object));
1565 291624d8 2018-11-07 stsp struct got_imsg_tree_object *itree;
1566 e033d803 2018-04-23 stsp int nentries = 0;
1568 e033d803 2018-04-23 stsp *tree = NULL;
1570 e033d803 2018-04-23 stsp err = read_imsg(ibuf);
1572 1e51f5b9 2018-04-23 stsp goto done;
1575 e033d803 2018-04-23 stsp struct imsg imsg;
1577 e033d803 2018-04-23 stsp size_t datalen;
1578 c0588d8d 2018-11-07 stsp struct got_imsg_tree_entry *ite;
1579 e033d803 2018-04-23 stsp struct got_tree_entry *te = NULL;
1581 e033d803 2018-04-23 stsp n = imsg_get(ibuf, &imsg);
1582 e033d803 2018-04-23 stsp if (n == 0) {
1583 56e0773d 2019-11-28 stsp if (*tree && (*tree)->nentries != nentries)
1584 e033d803 2018-04-23 stsp goto get_more;
1588 fca1f6ad 2020-08-27 stsp if (imsg.hdr.len < IMSG_HEADER_SIZE + min_datalen) {
1589 fca1f6ad 2020-08-27 stsp imsg_free(&imsg);
1590 fca1f6ad 2020-08-27 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1594 e033d803 2018-04-23 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1596 e033d803 2018-04-23 stsp switch (imsg.hdr.type) {
1597 e033d803 2018-04-23 stsp case GOT_IMSG_ERROR:
1598 e033d803 2018-04-23 stsp err = recv_imsg_error(&imsg, datalen);
1600 e033d803 2018-04-23 stsp case GOT_IMSG_TREE:
1601 e033d803 2018-04-23 stsp /* This message should only appear once. */
1602 e033d803 2018-04-23 stsp if (*tree != NULL) {
1603 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1606 291624d8 2018-11-07 stsp if (datalen != sizeof(*itree)) {
1607 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1610 291624d8 2018-11-07 stsp itree = imsg.data;
1611 c3b78ecc 2018-11-07 stsp *tree = malloc(sizeof(**tree));
1612 e033d803 2018-04-23 stsp if (*tree == NULL) {
1613 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1616 56e0773d 2019-11-28 stsp (*tree)->entries = calloc(itree->nentries,
1617 56e0773d 2019-11-28 stsp sizeof(struct got_tree_entry));
1618 56e0773d 2019-11-28 stsp if ((*tree)->entries == NULL) {
1619 56e0773d 2019-11-28 stsp err = got_error_from_errno("malloc");
1622 56e0773d 2019-11-28 stsp (*tree)->nentries = itree->nentries;
1623 c3b78ecc 2018-11-07 stsp (*tree)->refcnt = 0;
1625 e033d803 2018-04-23 stsp case GOT_IMSG_TREE_ENTRY:
1626 e033d803 2018-04-23 stsp /* This message should be preceeded by GOT_IMSG_TREE. */
1627 e033d803 2018-04-23 stsp if (*tree == NULL) {
1628 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1631 c0588d8d 2018-11-07 stsp if (datalen < sizeof(*ite) || datalen > MAX_IMSGSIZE) {
1632 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1636 e033d803 2018-04-23 stsp /* Remaining data contains the entry's name. */
1637 c0588d8d 2018-11-07 stsp datalen -= sizeof(*ite);
1638 e033d803 2018-04-23 stsp if (datalen == 0 || datalen > MAX_IMSGSIZE) {
1639 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1642 c0588d8d 2018-11-07 stsp ite = imsg.data;
1644 56e0773d 2019-11-28 stsp if (datalen + 1 > sizeof(te->name)) {
1645 56e0773d 2019-11-28 stsp err = got_error(GOT_ERR_NO_SPACE);
1648 56e0773d 2019-11-28 stsp te = &(*tree)->entries[nentries];
1649 c0588d8d 2018-11-07 stsp memcpy(te->name, imsg.data + sizeof(*ite), datalen);
1650 e033d803 2018-04-23 stsp te->name[datalen] = '\0';
1652 56e0773d 2019-11-28 stsp memcpy(te->id.sha1, ite->id, SHA1_DIGEST_LENGTH);
1653 c0588d8d 2018-11-07 stsp te->mode = ite->mode;
1654 56e0773d 2019-11-28 stsp te->idx = nentries;
1655 e033d803 2018-04-23 stsp nentries++;
1658 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1662 e033d803 2018-04-23 stsp imsg_free(&imsg);
1667 56e0773d 2019-11-28 stsp if (*tree && (*tree)->nentries != nentries) {
1668 1e51f5b9 2018-04-23 stsp if (err == NULL)
1669 1e51f5b9 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1670 e033d803 2018-04-23 stsp got_object_tree_close(*tree);
1671 e033d803 2018-04-23 stsp *tree = NULL;
1674 ff6b18f8 2018-04-24 stsp return err;
1677 ff6b18f8 2018-04-24 stsp const struct got_error *
1678 ac544f8c 2019-01-13 stsp got_privsep_send_blob(struct imsgbuf *ibuf, size_t size, size_t hdrlen,
1679 ac544f8c 2019-01-13 stsp const uint8_t *data)
1681 2967a784 2018-04-24 stsp struct got_imsg_blob iblob;
1683 2967a784 2018-04-24 stsp iblob.size = size;
1684 ebc55e2d 2018-12-24 stsp iblob.hdrlen = hdrlen;
1686 ac544f8c 2019-01-13 stsp if (data) {
1687 ac544f8c 2019-01-13 stsp uint8_t *buf;
1689 ac544f8c 2019-01-13 stsp if (size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX)
1690 ac544f8c 2019-01-13 stsp return got_error(GOT_ERR_NO_SPACE);
1692 ac544f8c 2019-01-13 stsp buf = malloc(sizeof(iblob) + size);
1693 ac544f8c 2019-01-13 stsp if (buf == NULL)
1694 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1696 ac544f8c 2019-01-13 stsp memcpy(buf, &iblob, sizeof(iblob));
1697 ac544f8c 2019-01-13 stsp memcpy(buf + sizeof(iblob), data, size);
1698 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, buf,
1699 62d463ca 2020-10-20 naddy sizeof(iblob) + size) == -1) {
1700 ac544f8c 2019-01-13 stsp free(buf);
1701 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1703 ac544f8c 2019-01-13 stsp free(buf);
1705 ac544f8c 2019-01-13 stsp /* Data has already been written to file descriptor. */
1706 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, &iblob,
1707 ac544f8c 2019-01-13 stsp sizeof(iblob)) == -1)
1708 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1712 ff6b18f8 2018-04-24 stsp return flush_imsg(ibuf);
1715 ff6b18f8 2018-04-24 stsp const struct got_error *
1716 ac544f8c 2019-01-13 stsp got_privsep_recv_blob(uint8_t **outbuf, size_t *size, size_t *hdrlen,
1717 ac544f8c 2019-01-13 stsp struct imsgbuf *ibuf)
1719 ff6b18f8 2018-04-24 stsp const struct got_error *err = NULL;
1720 ff6b18f8 2018-04-24 stsp struct imsg imsg;
1721 291624d8 2018-11-07 stsp struct got_imsg_blob *iblob;
1722 ff6b18f8 2018-04-24 stsp size_t datalen;
1724 ac544f8c 2019-01-13 stsp *outbuf = NULL;
1726 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1728 ff6b18f8 2018-04-24 stsp return err;
1730 ff6b18f8 2018-04-24 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1732 ff6b18f8 2018-04-24 stsp switch (imsg.hdr.type) {
1733 ff6b18f8 2018-04-24 stsp case GOT_IMSG_BLOB:
1734 ac544f8c 2019-01-13 stsp if (datalen < sizeof(*iblob)) {
1735 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1738 291624d8 2018-11-07 stsp iblob = imsg.data;
1739 291624d8 2018-11-07 stsp *size = iblob->size;
1740 ebc55e2d 2018-12-24 stsp *hdrlen = iblob->hdrlen;
1742 ac544f8c 2019-01-13 stsp if (datalen == sizeof(*iblob)) {
1743 ac544f8c 2019-01-13 stsp /* Data has been written to file descriptor. */
1747 ac544f8c 2019-01-13 stsp if (*size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX) {
1748 ac544f8c 2019-01-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1752 ac544f8c 2019-01-13 stsp *outbuf = malloc(*size);
1753 ac544f8c 2019-01-13 stsp if (*outbuf == NULL) {
1754 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1757 ac544f8c 2019-01-13 stsp memcpy(*outbuf, imsg.data + sizeof(*iblob), *size);
1760 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1764 f4a881ce 2018-11-17 stsp imsg_free(&imsg);
1766 f4a881ce 2018-11-17 stsp return err;
1769 f4a881ce 2018-11-17 stsp static const struct got_error *
1770 f4a881ce 2018-11-17 stsp send_tagmsg(struct imsgbuf *ibuf, struct got_tag_object *tag, size_t tagmsg_len)
1772 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1773 f4a881ce 2018-11-17 stsp size_t offset, remain;
1775 f4a881ce 2018-11-17 stsp offset = 0;
1776 f4a881ce 2018-11-17 stsp remain = tagmsg_len;
1777 f4a881ce 2018-11-17 stsp while (remain > 0) {
1778 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1780 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_TAGMSG, 0, 0, -1,
1781 f4a881ce 2018-11-17 stsp tag->tagmsg + offset, n) == -1) {
1782 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG_TAGMSG");
1786 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1790 f4a881ce 2018-11-17 stsp offset += n;
1791 f4a881ce 2018-11-17 stsp remain -= n;
1794 f4a881ce 2018-11-17 stsp return err;
1797 f4a881ce 2018-11-17 stsp const struct got_error *
1798 f4a881ce 2018-11-17 stsp got_privsep_send_tag(struct imsgbuf *ibuf, struct got_tag_object *tag)
1800 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1801 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1802 f4a881ce 2018-11-17 stsp uint8_t *buf;
1803 f4a881ce 2018-11-17 stsp size_t len, total;
1804 f4a881ce 2018-11-17 stsp size_t tag_len = strlen(tag->tag);
1805 f4a881ce 2018-11-17 stsp size_t tagger_len = strlen(tag->tagger);
1806 f4a881ce 2018-11-17 stsp size_t tagmsg_len = strlen(tag->tagmsg);
1808 f4a881ce 2018-11-17 stsp total = sizeof(*itag) + tag_len + tagger_len + tagmsg_len;
1810 f4a881ce 2018-11-17 stsp buf = malloc(total);
1811 f4a881ce 2018-11-17 stsp if (buf == NULL)
1812 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1814 f4a881ce 2018-11-17 stsp itag = (struct got_imsg_tag_object *)buf;
1815 f4a881ce 2018-11-17 stsp memcpy(itag->id, tag->id.sha1, sizeof(itag->id));
1816 f4a881ce 2018-11-17 stsp itag->obj_type = tag->obj_type;
1817 f4a881ce 2018-11-17 stsp itag->tag_len = tag_len;
1818 f4a881ce 2018-11-17 stsp itag->tagger_len = tagger_len;
1819 f4a881ce 2018-11-17 stsp itag->tagger_time = tag->tagger_time;
1820 f4a881ce 2018-11-17 stsp itag->tagger_gmtoff = tag->tagger_gmtoff;
1821 f4a881ce 2018-11-17 stsp itag->tagmsg_len = tagmsg_len;
1823 f4a881ce 2018-11-17 stsp len = sizeof(*itag);
1824 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tag, tag_len);
1825 f4a881ce 2018-11-17 stsp len += tag_len;
1826 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tagger, tagger_len);
1827 f4a881ce 2018-11-17 stsp len += tagger_len;
1829 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG, 0, 0, -1, buf, len) == -1) {
1830 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG");
1831 f4a881ce 2018-11-17 stsp goto done;
1834 f4a881ce 2018-11-17 stsp if (tagmsg_len == 0 ||
1835 f4a881ce 2018-11-17 stsp tagmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1836 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1838 f4a881ce 2018-11-17 stsp goto done;
1840 f4a881ce 2018-11-17 stsp err = send_tagmsg(ibuf, tag, tagmsg_len);
1842 f4a881ce 2018-11-17 stsp free(buf);
1843 f4a881ce 2018-11-17 stsp return err;
1846 f4a881ce 2018-11-17 stsp const struct got_error *
1847 f4a881ce 2018-11-17 stsp got_privsep_recv_tag(struct got_tag_object **tag, struct imsgbuf *ibuf)
1849 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1850 f4a881ce 2018-11-17 stsp struct imsg imsg;
1851 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1852 f4a881ce 2018-11-17 stsp size_t len, datalen;
1853 f4a881ce 2018-11-17 stsp const size_t min_datalen =
1854 f4a881ce 2018-11-17 stsp MIN(sizeof(struct got_imsg_error),
1855 f4a881ce 2018-11-17 stsp sizeof(struct got_imsg_tag_object));
1857 f4a881ce 2018-11-17 stsp *tag = NULL;
1859 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1861 f4a881ce 2018-11-17 stsp return err;
1863 f4a881ce 2018-11-17 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1866 f4a881ce 2018-11-17 stsp switch (imsg.hdr.type) {
1867 f4a881ce 2018-11-17 stsp case GOT_IMSG_TAG:
1868 f4a881ce 2018-11-17 stsp if (datalen < sizeof(*itag)) {
1869 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1872 f4a881ce 2018-11-17 stsp itag = imsg.data;
1873 f4a881ce 2018-11-17 stsp if (datalen != sizeof(*itag) + itag->tag_len +
1874 f4a881ce 2018-11-17 stsp itag->tagger_len) {
1875 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1878 f4a881ce 2018-11-17 stsp len += sizeof(*itag);
1880 f4a881ce 2018-11-17 stsp *tag = calloc(1, sizeof(**tag));
1881 f4a881ce 2018-11-17 stsp if (*tag == NULL) {
1882 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
1886 f4a881ce 2018-11-17 stsp memcpy((*tag)->id.sha1, itag->id, SHA1_DIGEST_LENGTH);
1888 f4a881ce 2018-11-17 stsp if (itag->tag_len == 0) {
1889 f4a881ce 2018-11-17 stsp (*tag)->tag = strdup("");
1890 f4a881ce 2018-11-17 stsp if ((*tag)->tag == NULL) {
1891 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1895 f4a881ce 2018-11-17 stsp (*tag)->tag = malloc(itag->tag_len + 1);
1896 f4a881ce 2018-11-17 stsp if ((*tag)->tag == NULL) {
1897 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1900 f4a881ce 2018-11-17 stsp memcpy((*tag)->tag, imsg.data + len,
1901 f4a881ce 2018-11-17 stsp itag->tag_len);
1902 f4a881ce 2018-11-17 stsp (*tag)->tag[itag->tag_len] = '\0';
1904 f4a881ce 2018-11-17 stsp len += itag->tag_len;
1906 f4a881ce 2018-11-17 stsp (*tag)->obj_type = itag->obj_type;
1907 f4a881ce 2018-11-17 stsp (*tag)->tagger_time = itag->tagger_time;
1908 f4a881ce 2018-11-17 stsp (*tag)->tagger_gmtoff = itag->tagger_gmtoff;
1910 f4a881ce 2018-11-17 stsp if (itag->tagger_len == 0) {
1911 f4a881ce 2018-11-17 stsp (*tag)->tagger = strdup("");
1912 f4a881ce 2018-11-17 stsp if ((*tag)->tagger == NULL) {
1913 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1917 f4a881ce 2018-11-17 stsp (*tag)->tagger = malloc(itag->tagger_len + 1);
1918 f4a881ce 2018-11-17 stsp if ((*tag)->tagger == NULL) {
1919 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1922 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagger, imsg.data + len,
1923 f4a881ce 2018-11-17 stsp itag->tagger_len);
1924 f4a881ce 2018-11-17 stsp (*tag)->tagger[itag->tagger_len] = '\0';
1926 f4a881ce 2018-11-17 stsp len += itag->tagger_len;
1928 f4a881ce 2018-11-17 stsp if (itag->tagmsg_len == 0) {
1929 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = strdup("");
1930 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1931 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1935 f4a881ce 2018-11-17 stsp size_t offset = 0, remain = itag->tagmsg_len;
1937 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = malloc(itag->tagmsg_len + 1);
1938 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1939 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1942 f4a881ce 2018-11-17 stsp while (remain > 0) {
1943 f4a881ce 2018-11-17 stsp struct imsg imsg_log;
1944 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1947 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1949 f4a881ce 2018-11-17 stsp return err;
1951 f4a881ce 2018-11-17 stsp if (imsg_log.hdr.type != GOT_IMSG_TAG_TAGMSG)
1952 f4a881ce 2018-11-17 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
1954 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagmsg + offset, imsg_log.data,
1956 f4a881ce 2018-11-17 stsp imsg_free(&imsg_log);
1957 f4a881ce 2018-11-17 stsp offset += n;
1958 f4a881ce 2018-11-17 stsp remain -= n;
1960 f4a881ce 2018-11-17 stsp (*tag)->tagmsg[itag->tagmsg_len] = '\0';
1965 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1969 ff6b18f8 2018-04-24 stsp imsg_free(&imsg);
1971 2178c42e 2018-04-22 stsp return err;
1974 876c234b 2018-09-10 stsp const struct got_error *
1975 876c234b 2018-09-10 stsp got_privsep_init_pack_child(struct imsgbuf *ibuf, struct got_pack *pack,
1976 876c234b 2018-09-10 stsp struct got_packidx *packidx)
1978 41496140 2019-02-21 stsp const struct got_error *err = NULL;
1979 876c234b 2018-09-10 stsp struct got_imsg_packidx ipackidx;
1980 876c234b 2018-09-10 stsp struct got_imsg_pack ipack;
1983 876c234b 2018-09-10 stsp ipackidx.len = packidx->len;
1984 c3564dfa 2021-07-15 stsp ipackidx.packfile_size = pack->filesize;
1985 876c234b 2018-09-10 stsp fd = dup(packidx->fd);
1986 876c234b 2018-09-10 stsp if (fd == -1)
1987 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1989 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKIDX, 0, 0, fd, &ipackidx,
1990 41496140 2019-02-21 stsp sizeof(ipackidx)) == -1) {
1991 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACKIDX");
1992 41496140 2019-02-21 stsp close(fd);
1993 41496140 2019-02-21 stsp return err;
1996 876c234b 2018-09-10 stsp if (strlcpy(ipack.path_packfile, pack->path_packfile,
1997 876c234b 2018-09-10 stsp sizeof(ipack.path_packfile)) >= sizeof(ipack.path_packfile))
1998 876c234b 2018-09-10 stsp return got_error(GOT_ERR_NO_SPACE);
1999 876c234b 2018-09-10 stsp ipack.filesize = pack->filesize;
2001 876c234b 2018-09-10 stsp fd = dup(pack->fd);
2002 876c234b 2018-09-10 stsp if (fd == -1)
2003 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
2005 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACK, 0, 0, fd, &ipack, sizeof(ipack))
2007 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACK");
2008 41496140 2019-02-21 stsp close(fd);
2009 41496140 2019-02-21 stsp return err;
2012 876c234b 2018-09-10 stsp return flush_imsg(ibuf);
2015 876c234b 2018-09-10 stsp const struct got_error *
2016 106807b4 2018-09-15 stsp got_privsep_send_packed_obj_req(struct imsgbuf *ibuf, int idx,
2017 106807b4 2018-09-15 stsp struct got_object_id *id)
2019 876c234b 2018-09-10 stsp struct got_imsg_packed_object iobj;
2021 876c234b 2018-09-10 stsp iobj.idx = idx;
2022 106807b4 2018-09-15 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
2024 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_OBJECT_REQUEST, 0, 0, -1,
2025 876c234b 2018-09-10 stsp &iobj, sizeof(iobj)) == -1)
2026 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose "
2027 230a42bd 2019-05-11 jcs "PACKED_OBJECT_REQUEST");
2029 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2032 aba9c984 2019-09-08 stsp const struct got_error *
2033 59d1e4a0 2021-03-10 stsp got_privsep_send_packed_raw_obj_req(struct imsgbuf *ibuf, int idx,
2034 59d1e4a0 2021-03-10 stsp struct got_object_id *id)
2036 59d1e4a0 2021-03-10 stsp struct got_imsg_packed_object iobj;
2038 59d1e4a0 2021-03-10 stsp iobj.idx = idx;
2039 59d1e4a0 2021-03-10 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
2041 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_RAW_OBJECT_REQUEST, 0, 0, -1,
2042 59d1e4a0 2021-03-10 stsp &iobj, sizeof(iobj)) == -1)
2043 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose "
2044 59d1e4a0 2021-03-10 stsp "PACKED_OBJECT_REQUEST");
2046 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
2049 59d1e4a0 2021-03-10 stsp const struct got_error *
2050 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_parse_req(struct imsgbuf *ibuf, int fd)
2052 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2054 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_PARSE_REQUEST, 0, 0, fd,
2055 aba9c984 2019-09-08 stsp NULL, 0) == -1) {
2056 aba9c984 2019-09-08 stsp err = got_error_from_errno("imsg_compose "
2057 aba9c984 2019-09-08 stsp "GITCONFIG_PARSE_REQUEST");
2058 aba9c984 2019-09-08 stsp close(fd);
2059 aba9c984 2019-09-08 stsp return err;
2062 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2065 aba9c984 2019-09-08 stsp const struct got_error *
2066 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_repository_format_version_req(struct imsgbuf *ibuf)
2068 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2069 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST, 0, 0, -1,
2070 aba9c984 2019-09-08 stsp NULL, 0) == -1)
2071 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2072 aba9c984 2019-09-08 stsp "GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST");
2074 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2077 aba9c984 2019-09-08 stsp const struct got_error *
2078 20b7abb3 2020-10-22 stsp got_privsep_send_gitconfig_repository_extensions_req(struct imsgbuf *ibuf)
2080 20b7abb3 2020-10-22 stsp if (imsg_compose(ibuf,
2081 20b7abb3 2020-10-22 stsp GOT_IMSG_GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST, 0, 0, -1,
2082 20b7abb3 2020-10-22 stsp NULL, 0) == -1)
2083 20b7abb3 2020-10-22 stsp return got_error_from_errno("imsg_compose "
2084 20b7abb3 2020-10-22 stsp "GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST");
2086 20b7abb3 2020-10-22 stsp return flush_imsg(ibuf);
2090 20b7abb3 2020-10-22 stsp const struct got_error *
2091 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_name_req(struct imsgbuf *ibuf)
2093 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2094 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_NAME_REQUEST, 0, 0, -1, NULL, 0) == -1)
2095 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2096 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_NAME_REQUEST");
2098 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2101 aba9c984 2019-09-08 stsp const struct got_error *
2102 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_email_req(struct imsgbuf *ibuf)
2104 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2105 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_EMAIL_REQUEST, 0, 0, -1, NULL, 0) == -1)
2106 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2107 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_EMAIL_REQUEST");
2109 cd95becd 2019-11-29 stsp return flush_imsg(ibuf);
2112 cd95becd 2019-11-29 stsp const struct got_error *
2113 cd95becd 2019-11-29 stsp got_privsep_send_gitconfig_remotes_req(struct imsgbuf *ibuf)
2115 cd95becd 2019-11-29 stsp if (imsg_compose(ibuf,
2116 cd95becd 2019-11-29 stsp GOT_IMSG_GITCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2117 cd95becd 2019-11-29 stsp return got_error_from_errno("imsg_compose "
2118 cd95becd 2019-11-29 stsp "GITCONFIG_REMOTE_REQUEST");
2120 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2123 aba9c984 2019-09-08 stsp const struct got_error *
2124 9a1cc63f 2020-02-03 stsp got_privsep_send_gitconfig_owner_req(struct imsgbuf *ibuf)
2126 9a1cc63f 2020-02-03 stsp if (imsg_compose(ibuf,
2127 9a1cc63f 2020-02-03 stsp GOT_IMSG_GITCONFIG_OWNER_REQUEST, 0, 0, -1, NULL, 0) == -1)
2128 9a1cc63f 2020-02-03 stsp return got_error_from_errno("imsg_compose "
2129 9a1cc63f 2020-02-03 stsp "GITCONFIG_OWNER_REQUEST");
2131 9a1cc63f 2020-02-03 stsp return flush_imsg(ibuf);
2134 9a1cc63f 2020-02-03 stsp const struct got_error *
2135 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_str(char **str, struct imsgbuf *ibuf)
2137 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2138 aba9c984 2019-09-08 stsp struct imsg imsg;
2139 aba9c984 2019-09-08 stsp size_t datalen;
2140 aba9c984 2019-09-08 stsp const size_t min_datalen = 0;
2142 aba9c984 2019-09-08 stsp *str = NULL;
2144 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2146 aba9c984 2019-09-08 stsp return err;
2147 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2149 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2150 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_STR_VAL:
2151 aba9c984 2019-09-08 stsp if (datalen == 0)
2153 6c13dcd2 2020-09-18 stsp /* datalen does not include terminating \0 */
2154 6c13dcd2 2020-09-18 stsp *str = malloc(datalen + 1);
2155 aba9c984 2019-09-08 stsp if (*str == NULL) {
2156 aba9c984 2019-09-08 stsp err = got_error_from_errno("malloc");
2159 6c13dcd2 2020-09-18 stsp memcpy(*str, imsg.data, datalen);
2160 6c13dcd2 2020-09-18 stsp (*str)[datalen] = '\0';
2163 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2167 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2168 aba9c984 2019-09-08 stsp return err;
2171 aba9c984 2019-09-08 stsp const struct got_error *
2172 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_int(int *val, struct imsgbuf *ibuf)
2174 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2175 aba9c984 2019-09-08 stsp struct imsg imsg;
2176 aba9c984 2019-09-08 stsp size_t datalen;
2177 aba9c984 2019-09-08 stsp const size_t min_datalen =
2178 aba9c984 2019-09-08 stsp MIN(sizeof(struct got_imsg_error), sizeof(int));
2182 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2184 aba9c984 2019-09-08 stsp return err;
2185 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2187 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2188 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_INT_VAL:
2189 aba9c984 2019-09-08 stsp if (datalen != sizeof(*val)) {
2190 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2193 aba9c984 2019-09-08 stsp memcpy(val, imsg.data, sizeof(*val));
2196 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2200 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2201 cd95becd 2019-11-29 stsp return err;
2204 b8adfa55 2020-09-25 stsp static void
2205 b8adfa55 2020-09-25 stsp free_remote_data(struct got_remote_repo *remote)
2209 b8adfa55 2020-09-25 stsp free(remote->name);
2210 6480c871 2021-08-30 stsp free(remote->fetch_url);
2211 6480c871 2021-08-30 stsp free(remote->send_url);
2212 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_branches; i++)
2213 6480c871 2021-08-30 stsp free(remote->fetch_branches[i]);
2214 6480c871 2021-08-30 stsp free(remote->fetch_branches);
2215 6480c871 2021-08-30 stsp for (i = 0; i < remote->nsend_branches; i++)
2216 6480c871 2021-08-30 stsp free(remote->send_branches[i]);
2217 6480c871 2021-08-30 stsp free(remote->send_branches);
2218 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_refs; i++)
2219 6480c871 2021-08-30 stsp free(remote->fetch_refs[i]);
2220 6480c871 2021-08-30 stsp free(remote->fetch_refs);
2223 cd95becd 2019-11-29 stsp const struct got_error *
2224 cd95becd 2019-11-29 stsp got_privsep_recv_gitconfig_remotes(struct got_remote_repo **remotes,
2225 cd95becd 2019-11-29 stsp int *nremotes, struct imsgbuf *ibuf)
2227 cd95becd 2019-11-29 stsp const struct got_error *err = NULL;
2228 cd95becd 2019-11-29 stsp struct imsg imsg;
2229 cd95becd 2019-11-29 stsp size_t datalen;
2230 cd95becd 2019-11-29 stsp struct got_imsg_remotes iremotes;
2231 cd95becd 2019-11-29 stsp struct got_imsg_remote iremote;
2233 cd95becd 2019-11-29 stsp *remotes = NULL;
2234 cd95becd 2019-11-29 stsp *nremotes = 0;
2235 d669b9c9 2020-02-22 stsp iremotes.nremotes = 0;
2237 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremotes));
2239 cd95becd 2019-11-29 stsp return err;
2240 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2242 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2243 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTES:
2244 cd95becd 2019-11-29 stsp if (datalen != sizeof(iremotes)) {
2245 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2248 cd95becd 2019-11-29 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2249 cd95becd 2019-11-29 stsp if (iremotes.nremotes == 0) {
2250 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2251 cd95becd 2019-11-29 stsp return NULL;
2255 54b1c5b5 2020-02-22 stsp imsg_free(&imsg);
2256 54b1c5b5 2020-02-22 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2259 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2261 5146eb39 2020-03-20 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2262 cd95becd 2019-11-29 stsp if (*remotes == NULL)
2263 cd95becd 2019-11-29 stsp return got_error_from_errno("recallocarray");
2265 cd95becd 2019-11-29 stsp while (*nremotes < iremotes.nremotes) {
2266 cd95becd 2019-11-29 stsp struct got_remote_repo *remote;
2268 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremote));
2271 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2273 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2274 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTE:
2275 cd95becd 2019-11-29 stsp remote = &(*remotes)[*nremotes];
2276 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2277 cd95becd 2019-11-29 stsp if (datalen < sizeof(iremote)) {
2278 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2281 cd95becd 2019-11-29 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2282 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2283 6480c871 2021-08-30 stsp iremote.fetch_url_len == 0 ||
2284 6480c871 2021-08-30 stsp iremote.send_url_len == 0 ||
2285 cd95becd 2019-11-29 stsp (sizeof(iremote) + iremote.name_len +
2286 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) > datalen) {
2287 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2290 cd95becd 2019-11-29 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2291 cd95becd 2019-11-29 stsp iremote.name_len);
2292 cd95becd 2019-11-29 stsp if (remote->name == NULL) {
2293 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2296 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data + sizeof(iremote) +
2297 6480c871 2021-08-30 stsp iremote.name_len, iremote.fetch_url_len);
2298 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2299 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2300 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2303 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data + sizeof(iremote) +
2304 6480c871 2021-08-30 stsp iremote.name_len + iremote.fetch_url_len,
2305 6480c871 2021-08-30 stsp iremote.send_url_len);
2306 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2307 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2308 6480c871 2021-08-30 stsp free_remote_data(remote);
2311 469dd726 2020-03-20 stsp remote->mirror_references = iremote.mirror_references;
2312 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2313 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2314 6480c871 2021-08-30 stsp remote->fetch_branches = NULL;
2315 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2316 6480c871 2021-08-30 stsp remote->send_branches = NULL;
2317 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2318 6480c871 2021-08-30 stsp remote->fetch_refs = NULL;
2319 cd95becd 2019-11-29 stsp (*nremotes)++;
2322 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2326 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2331 cd95becd 2019-11-29 stsp if (err) {
2333 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2334 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2335 cd95becd 2019-11-29 stsp free(*remotes);
2336 cd95becd 2019-11-29 stsp *remotes = NULL;
2337 cd95becd 2019-11-29 stsp *nremotes = 0;
2339 aba9c984 2019-09-08 stsp return err;
2342 257add31 2020-09-09 stsp const struct got_error *
2343 257add31 2020-09-09 stsp got_privsep_send_gotconfig_parse_req(struct imsgbuf *ibuf, int fd)
2345 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2347 257add31 2020-09-09 stsp if (imsg_compose(ibuf, GOT_IMSG_GOTCONFIG_PARSE_REQUEST, 0, 0, fd,
2348 257add31 2020-09-09 stsp NULL, 0) == -1) {
2349 257add31 2020-09-09 stsp err = got_error_from_errno("imsg_compose "
2350 257add31 2020-09-09 stsp "GOTCONFIG_PARSE_REQUEST");
2351 257add31 2020-09-09 stsp close(fd);
2352 257add31 2020-09-09 stsp return err;
2355 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2358 257add31 2020-09-09 stsp const struct got_error *
2359 257add31 2020-09-09 stsp got_privsep_send_gotconfig_author_req(struct imsgbuf *ibuf)
2361 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2362 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_AUTHOR_REQUEST, 0, 0, -1, NULL, 0) == -1)
2363 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2364 257add31 2020-09-09 stsp "GOTCONFIG_AUTHOR_REQUEST");
2366 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2369 ca6e02ac 2020-01-07 stsp const struct got_error *
2370 257add31 2020-09-09 stsp got_privsep_send_gotconfig_remotes_req(struct imsgbuf *ibuf)
2372 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2373 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2374 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2375 257add31 2020-09-09 stsp "GOTCONFIG_REMOTE_REQUEST");
2377 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2380 257add31 2020-09-09 stsp const struct got_error *
2381 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_str(char **str, struct imsgbuf *ibuf)
2383 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2384 257add31 2020-09-09 stsp struct imsg imsg;
2385 257add31 2020-09-09 stsp size_t datalen;
2386 257add31 2020-09-09 stsp const size_t min_datalen = 0;
2388 257add31 2020-09-09 stsp *str = NULL;
2390 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2392 257add31 2020-09-09 stsp return err;
2393 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2395 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2396 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2397 257add31 2020-09-09 stsp if (datalen < sizeof(struct got_imsg_error)) {
2398 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2401 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2403 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_STR_VAL:
2404 257add31 2020-09-09 stsp if (datalen == 0)
2406 5874ea87 2020-09-18 stsp /* datalen does not include terminating \0 */
2407 5874ea87 2020-09-18 stsp *str = malloc(datalen + 1);
2408 257add31 2020-09-09 stsp if (*str == NULL) {
2409 257add31 2020-09-09 stsp err = got_error_from_errno("malloc");
2412 5874ea87 2020-09-18 stsp memcpy(*str, imsg.data, datalen);
2413 5874ea87 2020-09-18 stsp (*str)[datalen] = '\0';
2416 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2420 257add31 2020-09-09 stsp imsg_free(&imsg);
2421 257add31 2020-09-09 stsp return err;
2424 257add31 2020-09-09 stsp const struct got_error *
2425 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_remotes(struct got_remote_repo **remotes,
2426 257add31 2020-09-09 stsp int *nremotes, struct imsgbuf *ibuf)
2428 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2429 257add31 2020-09-09 stsp struct imsg imsg;
2430 257add31 2020-09-09 stsp size_t datalen;
2431 257add31 2020-09-09 stsp struct got_imsg_remotes iremotes;
2432 257add31 2020-09-09 stsp struct got_imsg_remote iremote;
2433 257add31 2020-09-09 stsp const size_t min_datalen =
2434 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremotes));
2436 257add31 2020-09-09 stsp *remotes = NULL;
2437 257add31 2020-09-09 stsp *nremotes = 0;
2438 257add31 2020-09-09 stsp iremotes.nremotes = 0;
2440 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2442 257add31 2020-09-09 stsp return err;
2443 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2445 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2446 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2447 257add31 2020-09-09 stsp if (datalen < sizeof(struct got_imsg_error)) {
2448 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2451 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2453 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTES:
2454 257add31 2020-09-09 stsp if (datalen != sizeof(iremotes)) {
2455 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2458 257add31 2020-09-09 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2459 257add31 2020-09-09 stsp if (iremotes.nremotes == 0) {
2460 257add31 2020-09-09 stsp imsg_free(&imsg);
2461 257add31 2020-09-09 stsp return NULL;
2465 257add31 2020-09-09 stsp imsg_free(&imsg);
2466 257add31 2020-09-09 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2469 257add31 2020-09-09 stsp imsg_free(&imsg);
2471 257add31 2020-09-09 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2472 257add31 2020-09-09 stsp if (*remotes == NULL)
2473 257add31 2020-09-09 stsp return got_error_from_errno("recallocarray");
2475 257add31 2020-09-09 stsp while (*nremotes < iremotes.nremotes) {
2476 257add31 2020-09-09 stsp struct got_remote_repo *remote;
2477 257add31 2020-09-09 stsp const size_t min_datalen =
2478 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremote));
2481 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2484 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2486 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2487 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2488 257add31 2020-09-09 stsp if (datalen < sizeof(struct got_imsg_error)) {
2489 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2492 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2494 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTE:
2495 257add31 2020-09-09 stsp remote = &(*remotes)[*nremotes];
2496 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2497 257add31 2020-09-09 stsp if (datalen < sizeof(iremote)) {
2498 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2501 257add31 2020-09-09 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2502 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2503 6480c871 2021-08-30 stsp (iremote.fetch_url_len == 0 &&
2504 6480c871 2021-08-30 stsp iremote.send_url_len == 0) ||
2505 257add31 2020-09-09 stsp (sizeof(iremote) + iremote.name_len +
2506 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) >
2507 6480c871 2021-08-30 stsp datalen) {
2508 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2511 257add31 2020-09-09 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2512 257add31 2020-09-09 stsp iremote.name_len);
2513 257add31 2020-09-09 stsp if (remote->name == NULL) {
2514 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2517 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data +
2518 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len,
2519 6480c871 2021-08-30 stsp iremote.fetch_url_len);
2520 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2521 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2522 6480c871 2021-08-30 stsp free_remote_data(remote);
2525 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data +
2526 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len +
2527 6480c871 2021-08-30 stsp iremote.fetch_url_len, iremote.send_url_len);
2528 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2529 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2530 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2533 257add31 2020-09-09 stsp remote->mirror_references = iremote.mirror_references;
2534 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2535 6480c871 2021-08-30 stsp if (iremote.nfetch_branches > 0) {
2536 6480c871 2021-08-30 stsp remote->fetch_branches = recallocarray(NULL, 0,
2537 6480c871 2021-08-30 stsp iremote.nfetch_branches, sizeof(char *));
2538 6480c871 2021-08-30 stsp if (remote->fetch_branches == NULL) {
2539 b8adfa55 2020-09-25 stsp err = got_error_from_errno("calloc");
2540 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2544 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2545 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_branches; i++) {
2546 b8adfa55 2020-09-25 stsp char *branch;
2547 b8adfa55 2020-09-25 stsp err = got_privsep_recv_gotconfig_str(&branch,
2549 b8adfa55 2020-09-25 stsp if (err) {
2550 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2551 b8adfa55 2020-09-25 stsp goto done;
2553 6480c871 2021-08-30 stsp remote->fetch_branches[i] = branch;
2554 6480c871 2021-08-30 stsp remote->nfetch_branches++;
2556 6480c871 2021-08-30 stsp if (iremote.nsend_branches > 0) {
2557 6480c871 2021-08-30 stsp remote->send_branches = recallocarray(NULL, 0,
2558 6480c871 2021-08-30 stsp iremote.nsend_branches, sizeof(char *));
2559 6480c871 2021-08-30 stsp if (remote->send_branches == NULL) {
2560 99495ddb 2021-01-10 stsp err = got_error_from_errno("calloc");
2561 99495ddb 2021-01-10 stsp free_remote_data(remote);
2565 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2566 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nsend_branches; i++) {
2567 6480c871 2021-08-30 stsp char *branch;
2568 6480c871 2021-08-30 stsp err = got_privsep_recv_gotconfig_str(&branch,
2570 6480c871 2021-08-30 stsp if (err) {
2571 6480c871 2021-08-30 stsp free_remote_data(remote);
2572 6480c871 2021-08-30 stsp goto done;
2574 6480c871 2021-08-30 stsp remote->send_branches[i] = branch;
2575 6480c871 2021-08-30 stsp remote->nsend_branches++;
2577 6480c871 2021-08-30 stsp if (iremote.nfetch_refs > 0) {
2578 6480c871 2021-08-30 stsp remote->fetch_refs = recallocarray(NULL, 0,
2579 6480c871 2021-08-30 stsp iremote.nfetch_refs, sizeof(char *));
2580 6480c871 2021-08-30 stsp if (remote->fetch_refs == NULL) {
2581 6480c871 2021-08-30 stsp err = got_error_from_errno("calloc");
2582 6480c871 2021-08-30 stsp free_remote_data(remote);
2586 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2587 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_refs; i++) {
2588 99495ddb 2021-01-10 stsp char *ref;
2589 99495ddb 2021-01-10 stsp err = got_privsep_recv_gotconfig_str(&ref,
2591 99495ddb 2021-01-10 stsp if (err) {
2592 99495ddb 2021-01-10 stsp free_remote_data(remote);
2593 99495ddb 2021-01-10 stsp goto done;
2595 6480c871 2021-08-30 stsp remote->fetch_refs[i] = ref;
2596 6480c871 2021-08-30 stsp remote->nfetch_refs++;
2598 257add31 2020-09-09 stsp (*nremotes)++;
2601 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2605 257add31 2020-09-09 stsp imsg_free(&imsg);
2610 257add31 2020-09-09 stsp if (err) {
2612 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2613 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2614 257add31 2020-09-09 stsp free(*remotes);
2615 257add31 2020-09-09 stsp *remotes = NULL;
2616 257add31 2020-09-09 stsp *nremotes = 0;
2618 257add31 2020-09-09 stsp return err;
2621 257add31 2020-09-09 stsp const struct got_error *
2622 ca6e02ac 2020-01-07 stsp got_privsep_send_commit_traversal_request(struct imsgbuf *ibuf,
2623 abc59930 2021-09-05 naddy struct got_object_id *id, int idx, const char *path)
2625 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
2626 ca6e02ac 2020-01-07 stsp struct ibuf *wbuf;
2627 ca6e02ac 2020-01-07 stsp size_t path_len = strlen(path) + 1;
2629 ca6e02ac 2020-01-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_COMMIT_TRAVERSAL_REQUEST, 0, 0,
2630 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_traversal_request) + path_len);
2631 ca6e02ac 2020-01-07 stsp if (wbuf == NULL)
2632 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
2633 ca6e02ac 2020-01-07 stsp "imsg_create COMMIT_TRAVERSAL_REQUEST");
2634 ca6e02ac 2020-01-07 stsp if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1) {
2635 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("imsg_add COMMIT_TRAVERSAL_REQUEST");
2636 ca6e02ac 2020-01-07 stsp ibuf_free(wbuf);
2637 ca6e02ac 2020-01-07 stsp return err;
2639 ca6e02ac 2020-01-07 stsp if (imsg_add(wbuf, &idx, sizeof(idx)) == -1) {
2640 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("imsg_add COMMIT_TRAVERSAL_REQUEST");
2641 ca6e02ac 2020-01-07 stsp ibuf_free(wbuf);
2642 ca6e02ac 2020-01-07 stsp return err;
2644 ca6e02ac 2020-01-07 stsp if (imsg_add(wbuf, path, path_len) == -1) {
2645 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("imsg_add COMMIT_TRAVERSAL_REQUEST");
2646 ca6e02ac 2020-01-07 stsp ibuf_free(wbuf);
2647 ca6e02ac 2020-01-07 stsp return err;
2650 ca6e02ac 2020-01-07 stsp wbuf->fd = -1;
2651 ca6e02ac 2020-01-07 stsp imsg_close(ibuf, wbuf);
2653 ca6e02ac 2020-01-07 stsp return flush_imsg(ibuf);
2656 ca6e02ac 2020-01-07 stsp const struct got_error *
2657 ca6e02ac 2020-01-07 stsp got_privsep_recv_traversed_commits(struct got_commit_object **changed_commit,
2658 ca6e02ac 2020-01-07 stsp struct got_object_id **changed_commit_id,
2659 ca6e02ac 2020-01-07 stsp struct got_object_id_queue *commit_ids, struct imsgbuf *ibuf)
2661 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
2662 ca6e02ac 2020-01-07 stsp struct imsg imsg;
2663 ca6e02ac 2020-01-07 stsp struct got_imsg_traversed_commits *icommits;
2664 ca6e02ac 2020-01-07 stsp size_t datalen;
2665 ca6e02ac 2020-01-07 stsp int i, done = 0;
2667 ca6e02ac 2020-01-07 stsp *changed_commit = NULL;
2668 ca6e02ac 2020-01-07 stsp *changed_commit_id = NULL;
2670 ca6e02ac 2020-01-07 stsp while (!done) {
2671 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2673 ca6e02ac 2020-01-07 stsp return err;
2675 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2676 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
2677 ca6e02ac 2020-01-07 stsp case GOT_IMSG_TRAVERSED_COMMITS:
2678 ca6e02ac 2020-01-07 stsp icommits = imsg.data;
2679 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommits) +
2680 ca6e02ac 2020-01-07 stsp icommits->ncommits * SHA1_DIGEST_LENGTH) {
2681 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2684 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommits->ncommits; i++) {
2685 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
2686 ca6e02ac 2020-01-07 stsp uint8_t *sha1 = (uint8_t *)imsg.data +
2687 ca6e02ac 2020-01-07 stsp sizeof(*icommits) + i * SHA1_DIGEST_LENGTH;
2688 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
2691 ca6e02ac 2020-01-07 stsp memcpy(qid->id->sha1, sha1, SHA1_DIGEST_LENGTH);
2692 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(commit_ids, qid, entry);
2694 ca6e02ac 2020-01-07 stsp /* The last commit may contain a change. */
2695 ca6e02ac 2020-01-07 stsp if (i == icommits->ncommits - 1) {
2696 ca6e02ac 2020-01-07 stsp *changed_commit_id =
2697 ca6e02ac 2020-01-07 stsp got_object_id_dup(qid->id);
2698 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2699 ca6e02ac 2020-01-07 stsp err = got_error_from_errno(
2700 ca6e02ac 2020-01-07 stsp "got_object_id_dup");
2706 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
2707 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2708 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2711 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(changed_commit, &imsg,
2712 ca6e02ac 2020-01-07 stsp datalen, ibuf);
2714 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT_TRAVERSAL_DONE:
2718 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2722 ca6e02ac 2020-01-07 stsp imsg_free(&imsg);
2728 ca6e02ac 2020-01-07 stsp got_object_id_queue_free(commit_ids);
2729 ca6e02ac 2020-01-07 stsp return err;
2732 67fd6849 2022-02-13 stsp const struct got_error *
2733 67fd6849 2022-02-13 stsp got_privsep_send_raw_delta_req(struct imsgbuf *ibuf, int idx,
2734 67fd6849 2022-02-13 stsp struct got_object_id *id)
2736 67fd6849 2022-02-13 stsp struct got_imsg_raw_delta_request dreq;
2738 67fd6849 2022-02-13 stsp dreq.idx = idx;
2739 67fd6849 2022-02-13 stsp memcpy(dreq.id, id->sha1, SHA1_DIGEST_LENGTH);
2741 67fd6849 2022-02-13 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_DELTA_REQUEST, 0, 0, -1,
2742 67fd6849 2022-02-13 stsp &dreq, sizeof(dreq)) == -1)
2743 67fd6849 2022-02-13 stsp return got_error_from_errno("imsg_compose RAW_DELTA_REQUEST");
2745 67fd6849 2022-02-13 stsp return flush_imsg(ibuf);
2748 67fd6849 2022-02-13 stsp const struct got_error *
2749 67fd6849 2022-02-13 stsp got_privsep_send_raw_delta_outfd(struct imsgbuf *ibuf, int fd)
2751 67fd6849 2022-02-13 stsp return send_fd(ibuf, GOT_IMSG_RAW_DELTA_OUTFD, fd);
2754 67fd6849 2022-02-13 stsp const struct got_error *
2755 67fd6849 2022-02-13 stsp got_privsep_send_raw_delta(struct imsgbuf *ibuf, uint64_t base_size,
2756 67fd6849 2022-02-13 stsp uint64_t result_size, off_t delta_size, off_t delta_offset,
2757 67fd6849 2022-02-13 stsp off_t delta_out_offset, struct got_object_id *base_id)
2759 67fd6849 2022-02-13 stsp struct got_imsg_raw_delta idelta;
2762 67fd6849 2022-02-13 stsp idelta.base_size = base_size;
2763 67fd6849 2022-02-13 stsp idelta.result_size = result_size;
2764 67fd6849 2022-02-13 stsp idelta.delta_size = delta_size;
2765 67fd6849 2022-02-13 stsp idelta.delta_offset = delta_offset;
2766 67fd6849 2022-02-13 stsp idelta.delta_out_offset = delta_out_offset;
2767 67fd6849 2022-02-13 stsp memcpy(idelta.base_id, base_id->sha1, SHA1_DIGEST_LENGTH);
2769 67fd6849 2022-02-13 stsp ret = imsg_compose(ibuf, GOT_IMSG_RAW_DELTA, 0, 0, -1,
2770 67fd6849 2022-02-13 stsp &idelta, sizeof(idelta));
2771 67fd6849 2022-02-13 stsp if (ret == -1)
2772 67fd6849 2022-02-13 stsp return got_error_from_errno("imsg_compose RAW_DELTA");
2774 67fd6849 2022-02-13 stsp return flush_imsg(ibuf);
2777 ca6e02ac 2020-01-07 stsp const struct got_error *
2778 67fd6849 2022-02-13 stsp got_privsep_recv_raw_delta(uint64_t *base_size, uint64_t *result_size,
2779 67fd6849 2022-02-13 stsp off_t *delta_size, off_t *delta_offset, off_t *delta_out_offset,
2780 67fd6849 2022-02-13 stsp struct got_object_id **base_id, struct imsgbuf *ibuf)
2782 67fd6849 2022-02-13 stsp const struct got_error *err = NULL;
2783 67fd6849 2022-02-13 stsp struct imsg imsg;
2784 67fd6849 2022-02-13 stsp struct got_imsg_raw_delta *delta;
2785 67fd6849 2022-02-13 stsp size_t datalen;
2787 67fd6849 2022-02-13 stsp *base_size = 0;
2788 67fd6849 2022-02-13 stsp *result_size = 0;
2789 67fd6849 2022-02-13 stsp *delta_size = 0;
2790 67fd6849 2022-02-13 stsp *delta_offset = 0;
2791 67fd6849 2022-02-13 stsp *delta_out_offset = 0;
2792 67fd6849 2022-02-13 stsp *base_id = NULL;
2794 67fd6849 2022-02-13 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2796 67fd6849 2022-02-13 stsp return err;
2798 67fd6849 2022-02-13 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2800 67fd6849 2022-02-13 stsp switch (imsg.hdr.type) {
2801 67fd6849 2022-02-13 stsp case GOT_IMSG_RAW_DELTA:
2802 67fd6849 2022-02-13 stsp if (datalen != sizeof(*delta)) {
2803 67fd6849 2022-02-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2806 67fd6849 2022-02-13 stsp delta = imsg.data;
2807 67fd6849 2022-02-13 stsp *base_size = delta->base_size;
2808 67fd6849 2022-02-13 stsp *result_size = delta->result_size;
2809 67fd6849 2022-02-13 stsp *delta_size = delta->delta_size;
2810 67fd6849 2022-02-13 stsp *delta_offset = delta->delta_offset;
2811 67fd6849 2022-02-13 stsp *delta_out_offset = delta->delta_out_offset;
2812 67fd6849 2022-02-13 stsp *base_id = calloc(1, sizeof(**base_id));
2813 67fd6849 2022-02-13 stsp if (*base_id == NULL) {
2814 67fd6849 2022-02-13 stsp err = got_error_from_errno("malloc");
2817 67fd6849 2022-02-13 stsp memcpy((*base_id)->sha1, delta->base_id, SHA1_DIGEST_LENGTH);
2820 67fd6849 2022-02-13 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2824 67fd6849 2022-02-13 stsp imsg_free(&imsg);
2826 67fd6849 2022-02-13 stsp if (err) {
2827 67fd6849 2022-02-13 stsp free(*base_id);
2828 67fd6849 2022-02-13 stsp *base_id = NULL;
2830 67fd6849 2022-02-13 stsp return err;
2833 67fd6849 2022-02-13 stsp const struct got_error *
2834 63219cd2 2019-01-04 stsp got_privsep_unveil_exec_helpers(void)
2836 c39c25dd 2019-08-09 stsp const char *helpers[] = {
2837 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_PACK,
2838 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_OBJECT,
2839 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_COMMIT,
2840 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TREE,
2841 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_BLOB,
2842 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TAG,
2843 aba9c984 2019-09-08 stsp GOT_PATH_PROG_READ_GITCONFIG,
2844 257add31 2020-09-09 stsp GOT_PATH_PROG_READ_GOTCONFIG,
2845 e9ce266e 2022-03-07 op GOT_PATH_PROG_READ_PATCH,
2846 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_FETCH_PACK,
2847 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_INDEX_PACK,
2848 f8a36e22 2021-08-26 stsp GOT_PATH_PROG_SEND_PACK,
2852 c39c25dd 2019-08-09 stsp for (i = 0; i < nitems(helpers); i++) {
2853 c39c25dd 2019-08-09 stsp if (unveil(helpers[i], "x") == 0)
2855 c39c25dd 2019-08-09 stsp return got_error_from_errno2("unveil", helpers[i]);
2858 63219cd2 2019-01-04 stsp return NULL;
2862 aba9c984 2019-09-08 stsp got_privsep_exec_child(int imsg_fds[2], const char *path, const char *repo_path)
2864 08578a35 2021-01-22 stsp if (close(imsg_fds[0]) == -1) {
2865 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
2869 aba9c984 2019-09-08 stsp if (dup2(imsg_fds[1], GOT_IMSG_FD_CHILD) == -1) {
2870 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
2874 4a55b231 2021-12-09 stsp closefrom(GOT_IMSG_FD_CHILD + 1);
2876 aba9c984 2019-09-08 stsp if (execl(path, path, repo_path, (char *)NULL) == -1) {
2877 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s: %s\n", getprogname(), path,
2878 aba9c984 2019-09-08 stsp strerror(errno));
