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/uio.h>
20 876c234b 2018-09-10 stsp #include <sys/wait.h>
22 531c3985 2020-03-18 stsp #include <ctype.h>
23 23c57b28 2020-09-11 naddy #include <limits.h>
24 a486b62b 2021-05-18 stsp #include <signal.h>
25 2178c42e 2018-04-22 stsp #include <stdio.h>
26 2178c42e 2018-04-22 stsp #include <stdlib.h>
27 2178c42e 2018-04-22 stsp #include <string.h>
28 2178c42e 2018-04-22 stsp #include <errno.h>
29 2178c42e 2018-04-22 stsp #include <stdint.h>
30 2178c42e 2018-04-22 stsp #include <poll.h>
31 81a12da5 2020-09-09 naddy #include <unistd.h>
32 2178c42e 2018-04-22 stsp #include <zlib.h>
33 788c352e 2018-06-16 stsp #include <time.h>
35 dd038bc6 2021-09-21 thomas.ad #include "got_compat.h"
37 2178c42e 2018-04-22 stsp #include "got_object.h"
38 2178c42e 2018-04-22 stsp #include "got_error.h"
39 3022d272 2019-11-14 stsp #include "got_path.h"
40 cd95becd 2019-11-29 stsp #include "got_repository.h"
42 2178c42e 2018-04-22 stsp #include "got_lib_sha1.h"
43 2178c42e 2018-04-22 stsp #include "got_lib_delta.h"
44 63581804 2018-07-09 stsp #include "got_lib_inflate.h"
45 2178c42e 2018-04-22 stsp #include "got_lib_object.h"
46 a440fac0 2018-09-06 stsp #include "got_lib_object_parse.h"
47 2178c42e 2018-04-22 stsp #include "got_lib_privsep.h"
48 876c234b 2018-09-10 stsp #include "got_lib_pack.h"
51 2178c42e 2018-04-22 stsp #define MIN(_a,_b) ((_a) < (_b) ? (_a) : (_b))
54 c39c25dd 2019-08-09 stsp #ifndef nitems
55 c39c25dd 2019-08-09 stsp #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
58 2178c42e 2018-04-22 stsp static const struct got_error *
59 2178c42e 2018-04-22 stsp poll_fd(int fd, int events, int timeout)
61 2178c42e 2018-04-22 stsp struct pollfd pfd[1];
62 a486b62b 2021-05-18 stsp struct timespec ts;
63 a486b62b 2021-05-18 stsp sigset_t sigset;
66 2178c42e 2018-04-22 stsp pfd[0].fd = fd;
67 2178c42e 2018-04-22 stsp pfd[0].events = events;
69 a486b62b 2021-05-18 stsp ts.tv_sec = timeout;
70 a486b62b 2021-05-18 stsp ts.tv_nsec = 0;
72 a486b62b 2021-05-18 stsp if (sigemptyset(&sigset) == -1)
73 a486b62b 2021-05-18 stsp return got_error_from_errno("sigemptyset");
74 a486b62b 2021-05-18 stsp if (sigaddset(&sigset, SIGWINCH) == -1)
75 a486b62b 2021-05-18 stsp return got_error_from_errno("sigaddset");
77 a486b62b 2021-05-18 stsp n = ppoll(pfd, 1, timeout == INFTIM ? NULL : &ts, &sigset);
78 2178c42e 2018-04-22 stsp if (n == -1)
79 932dbee7 2021-05-19 stsp return got_error_from_errno("ppoll");
81 2178c42e 2018-04-22 stsp return got_error(GOT_ERR_TIMEOUT);
82 2178c42e 2018-04-22 stsp if (pfd[0].revents & (POLLERR | POLLNVAL))
83 638f9024 2019-05-13 stsp return got_error_from_errno("poll error");
84 2178c42e 2018-04-22 stsp if (pfd[0].revents & (events | POLLHUP))
85 2178c42e 2018-04-22 stsp return NULL;
87 2178c42e 2018-04-22 stsp return got_error(GOT_ERR_INTERRUPT);
90 c4eae628 2018-04-23 stsp static const struct got_error *
91 e033d803 2018-04-23 stsp read_imsg(struct imsgbuf *ibuf)
93 fe36cf76 2018-04-23 stsp const struct got_error *err;
96 ff470224 2022-05-19 thomas err = poll_fd(ibuf->fd, POLLIN, INFTIM);
98 ff470224 2022-05-19 thomas return err;
100 fe36cf76 2018-04-23 stsp n = imsg_read(ibuf);
101 fe36cf76 2018-04-23 stsp if (n == -1) {
102 fe36cf76 2018-04-23 stsp if (errno == EAGAIN) /* Could be a file-descriptor leak. */
103 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_NO_FD);
104 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_READ);
106 fe36cf76 2018-04-23 stsp if (n == 0)
107 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_PIPE);
109 e033d803 2018-04-23 stsp return NULL;
112 ad242220 2018-09-08 stsp const struct got_error *
113 876c234b 2018-09-10 stsp got_privsep_wait_for_child(pid_t pid)
115 876c234b 2018-09-10 stsp int child_status;
117 2cb49fa8 2019-05-10 stsp if (waitpid(pid, &child_status, 0) == -1)
118 638f9024 2019-05-13 stsp return got_error_from_errno("waitpid");
120 876c234b 2018-09-10 stsp if (!WIFEXITED(child_status))
121 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_DIED);
123 876c234b 2018-09-10 stsp if (WEXITSTATUS(child_status) != 0)
124 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_EXIT);
126 876c234b 2018-09-10 stsp return NULL;
129 73b7854a 2018-11-11 stsp static const struct got_error *
130 73b7854a 2018-11-11 stsp recv_imsg_error(struct imsg *imsg, size_t datalen)
132 73b7854a 2018-11-11 stsp struct got_imsg_error *ierr;
134 73b7854a 2018-11-11 stsp if (datalen != sizeof(*ierr))
135 73b7854a 2018-11-11 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
137 73b7854a 2018-11-11 stsp ierr = imsg->data;
138 73b7854a 2018-11-11 stsp if (ierr->code == GOT_ERR_ERRNO) {
139 73b7854a 2018-11-11 stsp static struct got_error serr;
140 73b7854a 2018-11-11 stsp serr.code = GOT_ERR_ERRNO;
141 73b7854a 2018-11-11 stsp serr.msg = strerror(ierr->errno_code);
142 73b7854a 2018-11-11 stsp return &serr;
145 73b7854a 2018-11-11 stsp return got_error(ierr->code);
148 876c234b 2018-09-10 stsp const struct got_error *
149 46de5bfd 2018-11-11 stsp got_privsep_recv_imsg(struct imsg *imsg, struct imsgbuf *ibuf,
150 46de5bfd 2018-11-11 stsp size_t min_datalen)
152 e033d803 2018-04-23 stsp const struct got_error *err;
155 e033d803 2018-04-23 stsp n = imsg_get(ibuf, imsg);
156 876c234b 2018-09-10 stsp if (n == -1)
157 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_get");
159 876c234b 2018-09-10 stsp while (n == 0) {
160 876c234b 2018-09-10 stsp err = read_imsg(ibuf);
162 876c234b 2018-09-10 stsp return err;
163 876c234b 2018-09-10 stsp n = imsg_get(ibuf, imsg);
164 cbfaaf20 2020-01-06 stsp if (n == -1)
165 cbfaaf20 2020-01-06 stsp return got_error_from_errno("imsg_get");
168 fe36cf76 2018-04-23 stsp if (imsg->hdr.len < IMSG_HEADER_SIZE + min_datalen)
169 c4eae628 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
171 73b7854a 2018-11-11 stsp if (imsg->hdr.type == GOT_IMSG_ERROR) {
172 73b7854a 2018-11-11 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
173 73b7854a 2018-11-11 stsp return recv_imsg_error(imsg, datalen);
176 73b7854a 2018-11-11 stsp return NULL;
179 2178c42e 2018-04-22 stsp /* Attempt to send an error in an imsg. Complain on stderr as a last resort. */
181 2178c42e 2018-04-22 stsp got_privsep_send_error(struct imsgbuf *ibuf, const struct got_error *err)
183 2178c42e 2018-04-22 stsp const struct got_error *poll_err;
184 2178c42e 2018-04-22 stsp struct got_imsg_error ierr;
187 2178c42e 2018-04-22 stsp ierr.code = err->code;
188 2178c42e 2018-04-22 stsp if (err->code == GOT_ERR_ERRNO)
189 2178c42e 2018-04-22 stsp ierr.errno_code = errno;
191 2178c42e 2018-04-22 stsp ierr.errno_code = 0;
192 2178c42e 2018-04-22 stsp ret = imsg_compose(ibuf, GOT_IMSG_ERROR, 0, 0, -1, &ierr, sizeof(ierr));
193 e93cd828 2018-11-11 stsp if (ret == -1) {
194 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_compose: %s\n",
195 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
199 2178c42e 2018-04-22 stsp poll_err = poll_fd(ibuf->fd, POLLOUT, INFTIM);
200 5d43e84d 2018-04-23 stsp if (poll_err) {
201 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": poll: %s\n",
202 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, poll_err->msg);
206 2178c42e 2018-04-22 stsp ret = imsg_flush(ibuf);
207 5d43e84d 2018-04-23 stsp if (ret == -1) {
208 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_flush: %s\n",
209 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
210 e2752401 2022-02-16 thomas imsg_clear(ibuf);
215 e033d803 2018-04-23 stsp static const struct got_error *
216 e033d803 2018-04-23 stsp flush_imsg(struct imsgbuf *ibuf)
218 e033d803 2018-04-23 stsp const struct got_error *err;
220 e033d803 2018-04-23 stsp err = poll_fd(ibuf->fd, POLLOUT, INFTIM);
222 e033d803 2018-04-23 stsp return err;
224 e2752401 2022-02-16 thomas if (imsg_flush(ibuf) == -1) {
225 e2752401 2022-02-16 thomas imsg_clear(ibuf);
226 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_flush");
229 e033d803 2018-04-23 stsp return NULL;
232 ad242220 2018-09-08 stsp const struct got_error *
233 e70bf110 2020-03-22 stsp got_privsep_flush_imsg(struct imsgbuf *ibuf)
235 e70bf110 2020-03-22 stsp return flush_imsg(ibuf);
238 e70bf110 2020-03-22 stsp const struct got_error *
239 ad242220 2018-09-08 stsp got_privsep_send_stop(int fd)
241 ad242220 2018-09-08 stsp const struct got_error *err = NULL;
242 ad242220 2018-09-08 stsp struct imsgbuf ibuf;
244 ad242220 2018-09-08 stsp imsg_init(&ibuf, fd);
246 ad242220 2018-09-08 stsp if (imsg_compose(&ibuf, GOT_IMSG_STOP, 0, 0, -1, NULL, 0) == -1)
247 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose STOP");
249 ad242220 2018-09-08 stsp err = flush_imsg(&ibuf);
250 ad242220 2018-09-08 stsp return err;
253 93658fb9 2020-03-18 stsp const struct got_error *
254 d5c81d44 2021-07-08 stsp got_privsep_send_obj_req(struct imsgbuf *ibuf, int fd,
255 d5c81d44 2021-07-08 stsp struct got_object_id *id)
257 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT_REQUEST, 0, 0, fd,
258 d5c81d44 2021-07-08 stsp id, sizeof(*id)) == -1)
259 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT_REQUEST");
261 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
264 59d1e4a0 2021-03-10 stsp const struct got_error *
265 d5c81d44 2021-07-08 stsp got_privsep_send_raw_obj_req(struct imsgbuf *ibuf, int fd,
266 d5c81d44 2021-07-08 stsp struct got_object_id *id)
268 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_OBJECT_REQUEST, 0, 0, fd,
269 d5c81d44 2021-07-08 stsp id, sizeof(*id)) == -1)
270 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose RAW_OBJECT_REQUEST");
272 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
275 59d1e4a0 2021-03-10 stsp const struct got_error *
276 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj_outfd(struct imsgbuf *ibuf, int outfd)
278 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
280 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_OBJECT_OUTFD, 0, 0, outfd, NULL, 0)
282 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_compose RAW_OBJECT_OUTFD");
283 59d1e4a0 2021-03-10 stsp close(outfd);
284 59d1e4a0 2021-03-10 stsp return err;
287 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
290 59d1e4a0 2021-03-10 stsp const struct got_error *
291 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj(struct imsgbuf *ibuf, off_t size, size_t hdrlen,
292 59d1e4a0 2021-03-10 stsp uint8_t *data)
294 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
295 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj iobj;
296 59d1e4a0 2021-03-10 stsp size_t len = sizeof(iobj);
297 59d1e4a0 2021-03-10 stsp struct ibuf *wbuf;
299 59d1e4a0 2021-03-10 stsp iobj.hdrlen = hdrlen;
300 59d1e4a0 2021-03-10 stsp iobj.size = size;
302 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX)
303 a8591711 2021-06-18 stsp len += (size_t)size + hdrlen;
305 59d1e4a0 2021-03-10 stsp wbuf = imsg_create(ibuf, GOT_IMSG_RAW_OBJECT, 0, 0, len);
306 59d1e4a0 2021-03-10 stsp if (wbuf == NULL) {
307 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_create RAW_OBJECT");
308 59d1e4a0 2021-03-10 stsp return err;
311 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &iobj, sizeof(iobj)) == -1)
312 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add RAW_OBJECT");
314 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
315 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, data, size + hdrlen) == -1)
316 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add RAW_OBJECT");
319 59d1e4a0 2021-03-10 stsp wbuf->fd = -1;
320 59d1e4a0 2021-03-10 stsp imsg_close(ibuf, wbuf);
322 1785f84a 2018-12-23 stsp return flush_imsg(ibuf);
325 1785f84a 2018-12-23 stsp const struct got_error *
326 59d1e4a0 2021-03-10 stsp got_privsep_recv_raw_obj(uint8_t **outbuf, off_t *size, size_t *hdrlen,
327 59d1e4a0 2021-03-10 stsp struct imsgbuf *ibuf)
329 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
330 59d1e4a0 2021-03-10 stsp struct imsg imsg;
331 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj *iobj;
332 59d1e4a0 2021-03-10 stsp size_t datalen;
334 59d1e4a0 2021-03-10 stsp *outbuf = NULL;
336 59d1e4a0 2021-03-10 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
338 59d1e4a0 2021-03-10 stsp return err;
340 59d1e4a0 2021-03-10 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
342 59d1e4a0 2021-03-10 stsp switch (imsg.hdr.type) {
343 59d1e4a0 2021-03-10 stsp case GOT_IMSG_RAW_OBJECT:
344 59d1e4a0 2021-03-10 stsp if (datalen < sizeof(*iobj)) {
345 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
348 59d1e4a0 2021-03-10 stsp iobj = imsg.data;
349 59d1e4a0 2021-03-10 stsp *size = iobj->size;
350 59d1e4a0 2021-03-10 stsp *hdrlen = iobj->hdrlen;
352 59d1e4a0 2021-03-10 stsp if (datalen == sizeof(*iobj)) {
353 59d1e4a0 2021-03-10 stsp /* Data has been written to file descriptor. */
357 a8591711 2021-06-18 stsp if (*size + *hdrlen > GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
358 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
362 a8591711 2021-06-18 stsp *outbuf = malloc(*size + *hdrlen);
363 59d1e4a0 2021-03-10 stsp if (*outbuf == NULL) {
364 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("malloc");
367 a8591711 2021-06-18 stsp memcpy(*outbuf, imsg.data + sizeof(*iobj), *size + *hdrlen);
370 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
374 59d1e4a0 2021-03-10 stsp imsg_free(&imsg);
376 59d1e4a0 2021-03-10 stsp return err;
379 59d1e4a0 2021-03-10 stsp const struct got_error *
380 1785f84a 2018-12-23 stsp got_privsep_send_commit_req(struct imsgbuf *ibuf, int fd,
381 1785f84a 2018-12-23 stsp struct got_object_id *id, int pack_idx)
383 41496140 2019-02-21 stsp const struct got_error *err = NULL;
384 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
385 d5c81d44 2021-07-08 stsp void *data;
386 1785f84a 2018-12-23 stsp size_t len;
388 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* commit is packed */
389 1785f84a 2018-12-23 stsp iobj.idx = pack_idx;
390 1785f84a 2018-12-23 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
391 d5c81d44 2021-07-08 stsp data = &iobj;
392 1785f84a 2018-12-23 stsp len = sizeof(iobj);
395 d5c81d44 2021-07-08 stsp len = sizeof(*id);
398 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_REQUEST, 0, 0, fd, data, len)
400 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT_REQUEST");
402 41496140 2019-02-21 stsp return err;
405 13c729f7 2018-12-24 stsp return flush_imsg(ibuf);
408 13c729f7 2018-12-24 stsp const struct got_error *
409 13c729f7 2018-12-24 stsp got_privsep_send_tree_req(struct imsgbuf *ibuf, int fd,
410 13c729f7 2018-12-24 stsp struct got_object_id *id, int pack_idx)
412 7f358e3b 2019-11-23 stsp struct ibuf *wbuf;
413 d5c81d44 2021-07-08 stsp size_t len;
415 d5c81d44 2021-07-08 stsp if (pack_idx != -1)
416 d5c81d44 2021-07-08 stsp len = sizeof(struct got_imsg_packed_object);
418 d5c81d44 2021-07-08 stsp len = sizeof(*id);
420 7f358e3b 2019-11-23 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_REQUEST, 0, 0, len);
421 7f358e3b 2019-11-23 stsp if (wbuf == NULL)
422 7f358e3b 2019-11-23 stsp return got_error_from_errno("imsg_create TREE_REQUEST");
424 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1)
425 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_REQUEST");
427 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tree is packed */
428 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &pack_idx, sizeof(pack_idx)) == -1)
429 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_REQUEST");
432 7f358e3b 2019-11-23 stsp wbuf->fd = fd;
433 7f358e3b 2019-11-23 stsp imsg_close(ibuf, wbuf);
435 268f7291 2018-12-24 stsp return flush_imsg(ibuf);
438 268f7291 2018-12-24 stsp const struct got_error *
439 268f7291 2018-12-24 stsp got_privsep_send_tag_req(struct imsgbuf *ibuf, int fd,
440 268f7291 2018-12-24 stsp struct got_object_id *id, int pack_idx)
442 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
443 d5c81d44 2021-07-08 stsp void *data;
444 268f7291 2018-12-24 stsp size_t len;
446 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tag is packed */
447 268f7291 2018-12-24 stsp iobj.idx = pack_idx;
448 268f7291 2018-12-24 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
449 d5c81d44 2021-07-08 stsp data = &iobj;
450 268f7291 2018-12-24 stsp len = sizeof(iobj);
453 d5c81d44 2021-07-08 stsp len = sizeof(*id);
456 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_REQUEST, 0, 0, fd, data, len)
458 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose TAG_REQUEST");
460 7762fe12 2018-11-05 stsp return flush_imsg(ibuf);
463 7762fe12 2018-11-05 stsp const struct got_error *
464 ebc55e2d 2018-12-24 stsp got_privsep_send_blob_req(struct imsgbuf *ibuf, int infd,
465 ebc55e2d 2018-12-24 stsp struct got_object_id *id, int pack_idx)
467 41496140 2019-02-21 stsp const struct got_error *err = NULL;
468 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
469 d5c81d44 2021-07-08 stsp void *data;
470 ebc55e2d 2018-12-24 stsp size_t len;
472 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* blob is packed */
473 ebc55e2d 2018-12-24 stsp iobj.idx = pack_idx;
474 ebc55e2d 2018-12-24 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
475 d5c81d44 2021-07-08 stsp data = &iobj;
476 ebc55e2d 2018-12-24 stsp len = sizeof(iobj);
479 d5c81d44 2021-07-08 stsp len = sizeof(*id);
482 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_REQUEST, 0, 0, infd, data, len)
484 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_REQUEST");
485 41496140 2019-02-21 stsp close(infd);
486 41496140 2019-02-21 stsp return err;
489 55da3778 2018-09-10 stsp return flush_imsg(ibuf);
492 55da3778 2018-09-10 stsp const struct got_error *
493 55da3778 2018-09-10 stsp got_privsep_send_blob_outfd(struct imsgbuf *ibuf, int outfd)
495 41496140 2019-02-21 stsp const struct got_error *err = NULL;
497 ad242220 2018-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_OUTFD, 0, 0, outfd, NULL, 0)
499 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_OUTFD");
500 41496140 2019-02-21 stsp close(outfd);
501 41496140 2019-02-21 stsp return err;
504 3840f4c9 2018-09-12 stsp return flush_imsg(ibuf);
507 73ab1060 2020-03-18 stsp static const struct got_error *
508 73ab1060 2020-03-18 stsp send_fd(struct imsgbuf *ibuf, int imsg_code, int fd)
510 41496140 2019-02-21 stsp const struct got_error *err = NULL;
512 73ab1060 2020-03-18 stsp if (imsg_compose(ibuf, imsg_code, 0, 0, fd, NULL, 0) == -1) {
513 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TMPFD");
515 41496140 2019-02-21 stsp return err;
518 ad242220 2018-09-08 stsp return flush_imsg(ibuf);
521 ad242220 2018-09-08 stsp const struct got_error *
522 73ab1060 2020-03-18 stsp got_privsep_send_tmpfd(struct imsgbuf *ibuf, int fd)
524 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_TMPFD, fd);
527 73ab1060 2020-03-18 stsp const struct got_error *
528 876c234b 2018-09-10 stsp got_privsep_send_obj(struct imsgbuf *ibuf, struct got_object *obj)
530 2178c42e 2018-04-22 stsp struct got_imsg_object iobj;
532 c59b3346 2018-09-11 stsp memcpy(iobj.id, obj->id.sha1, sizeof(iobj.id));
533 2178c42e 2018-04-22 stsp iobj.type = obj->type;
534 2178c42e 2018-04-22 stsp iobj.flags = obj->flags;
535 2178c42e 2018-04-22 stsp iobj.hdrlen = obj->hdrlen;
536 2178c42e 2018-04-22 stsp iobj.size = obj->size;
537 c59b3346 2018-09-11 stsp if (iobj.flags & GOT_OBJ_FLAG_PACKED) {
538 876c234b 2018-09-10 stsp iobj.pack_offset = obj->pack_offset;
539 c59b3346 2018-09-11 stsp iobj.pack_idx = obj->pack_idx;
542 2178c42e 2018-04-22 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT, 0, 0, -1, &iobj, sizeof(iobj))
544 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT");
546 c59b3346 2018-09-11 stsp return flush_imsg(ibuf);
549 cfd633c2 2018-09-10 stsp const struct got_error *
550 33501562 2020-03-18 stsp got_privsep_send_fetch_req(struct imsgbuf *ibuf, int fd,
551 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs, int fetch_all_branches,
552 abc59930 2021-09-05 naddy struct got_pathlist_head *wanted_branches,
553 abc59930 2021-09-05 naddy struct got_pathlist_head *wanted_refs, int list_refs_only, int verbosity)
555 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
556 33501562 2020-03-18 stsp struct ibuf *wbuf;
557 4ba14133 2020-03-20 stsp size_t len;
558 33501562 2020-03-18 stsp struct got_pathlist_entry *pe;
559 4ba14133 2020-03-20 stsp struct got_imsg_fetch_request fetchreq;
561 4ba14133 2020-03-20 stsp memset(&fetchreq, 0, sizeof(fetchreq));
562 4ba14133 2020-03-20 stsp fetchreq.fetch_all_branches = fetch_all_branches;
563 41b0de12 2020-03-21 stsp fetchreq.list_refs_only = list_refs_only;
564 2690194b 2020-03-21 stsp fetchreq.verbosity = verbosity;
565 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, have_refs, entry)
566 4ba14133 2020-03-20 stsp fetchreq.n_have_refs++;
567 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry)
568 4ba14133 2020-03-20 stsp fetchreq.n_wanted_branches++;
569 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry)
570 0e4002ca 2020-03-21 stsp fetchreq.n_wanted_refs++;
571 659e7fbd 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_request);
572 33501562 2020-03-18 stsp if (len >= MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
574 33501562 2020-03-18 stsp return got_error(GOT_ERR_NO_SPACE);
577 4ba14133 2020-03-20 stsp if (imsg_compose(ibuf, GOT_IMSG_FETCH_REQUEST, 0, 0, fd,
578 4ba14133 2020-03-20 stsp &fetchreq, sizeof(fetchreq)) == -1)
579 4ba14133 2020-03-20 stsp return got_error_from_errno(
580 4ba14133 2020-03-20 stsp "imsg_compose FETCH_SERVER_PROGRESS");
582 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
585 659e7fbd 2020-03-20 stsp return err;
589 33501562 2020-03-18 stsp TAILQ_FOREACH(pe, have_refs, entry) {
590 33501562 2020-03-18 stsp const char *name = pe->path;
591 33501562 2020-03-18 stsp size_t name_len = pe->path_len;
592 33501562 2020-03-18 stsp struct got_object_id *id = pe->data;
594 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_have_ref) + name_len;
595 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_HAVE_REF, 0, 0, len);
596 4ba14133 2020-03-20 stsp if (wbuf == NULL)
597 4ba14133 2020-03-20 stsp return got_error_from_errno("imsg_create FETCH_HAVE_REF");
599 33501562 2020-03-18 stsp /* Keep in sync with struct got_imsg_fetch_have_ref! */
600 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, id->sha1, sizeof(id->sha1)) == -1)
601 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add FETCH_HAVE_REF");
602 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
603 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add FETCH_HAVE_REF");
604 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
605 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add FETCH_HAVE_REF");
607 4ba14133 2020-03-20 stsp wbuf->fd = -1;
608 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
609 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
611 4ba14133 2020-03-20 stsp return err;
614 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry) {
615 4ba14133 2020-03-20 stsp const char *name = pe->path;
616 4ba14133 2020-03-20 stsp size_t name_len = pe->path_len;
618 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_wanted_branch) + name_len;
619 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_BRANCH, 0, 0,
621 4ba14133 2020-03-20 stsp if (wbuf == NULL)
622 4ba14133 2020-03-20 stsp return got_error_from_errno(
623 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_BRANCH");
625 4ba14133 2020-03-20 stsp /* Keep in sync with struct got_imsg_fetch_wanted_branch! */
626 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
627 e9f1a409 2022-05-19 thomas return got_error_from_errno(
628 4ba14133 2020-03-20 stsp "imsg_add FETCH_WANTED_BRANCH");
629 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
630 e9f1a409 2022-05-19 thomas return got_error_from_errno(
631 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_BRANCH");
633 4ba14133 2020-03-20 stsp wbuf->fd = -1;
634 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
635 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
637 4ba14133 2020-03-20 stsp return err;
640 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry) {
641 0e4002ca 2020-03-21 stsp const char *name = pe->path;
642 0e4002ca 2020-03-21 stsp size_t name_len = pe->path_len;
644 0e4002ca 2020-03-21 stsp len = sizeof(struct got_imsg_fetch_wanted_ref) + name_len;
645 0e4002ca 2020-03-21 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_REF, 0, 0,
647 0e4002ca 2020-03-21 stsp if (wbuf == NULL)
648 0e4002ca 2020-03-21 stsp return got_error_from_errno(
649 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_REF");
651 0e4002ca 2020-03-21 stsp /* Keep in sync with struct got_imsg_fetch_wanted_ref! */
652 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
653 e9f1a409 2022-05-19 thomas return got_error_from_errno(
654 0e4002ca 2020-03-21 stsp "imsg_add FETCH_WANTED_REF");
655 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
656 e9f1a409 2022-05-19 thomas return got_error_from_errno(
657 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_REF");
659 0e4002ca 2020-03-21 stsp wbuf->fd = -1;
660 0e4002ca 2020-03-21 stsp imsg_close(ibuf, wbuf);
661 0e4002ca 2020-03-21 stsp err = flush_imsg(ibuf);
663 0e4002ca 2020-03-21 stsp return err;
667 4ba14133 2020-03-20 stsp return NULL;
671 93658fb9 2020-03-18 stsp const struct got_error *
672 f826addf 2020-03-18 stsp got_privsep_send_fetch_outfd(struct imsgbuf *ibuf, int fd)
674 f826addf 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_FETCH_OUTFD, fd);
677 531c3985 2020-03-18 stsp const struct got_error *
678 8f2d01a6 2020-03-18 stsp got_privsep_recv_fetch_progress(int *done, struct got_object_id **id,
679 531c3985 2020-03-18 stsp char **refname, struct got_pathlist_head *symrefs, char **server_progress,
680 1d72a2a0 2020-03-24 stsp off_t *packfile_size, uint8_t *pack_sha1, struct imsgbuf *ibuf)
682 b9f99abf 2020-03-18 stsp const struct got_error *err = NULL;
683 b9f99abf 2020-03-18 stsp struct imsg imsg;
684 b9f99abf 2020-03-18 stsp size_t datalen;
685 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symrefs *isymrefs = NULL;
686 abe0f35f 2020-03-18 stsp size_t n, remain;
691 8f2d01a6 2020-03-18 stsp *id = NULL;
692 b9f99abf 2020-03-18 stsp *refname = NULL;
693 531c3985 2020-03-18 stsp *server_progress = NULL;
694 5a489642 2020-03-19 stsp *packfile_size = 0;
695 1d72a2a0 2020-03-24 stsp memset(pack_sha1, 0, SHA1_DIGEST_LENGTH);
697 531c3985 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
699 b9f99abf 2020-03-18 stsp return err;
701 b9f99abf 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
702 b9f99abf 2020-03-18 stsp switch (imsg.hdr.type) {
703 b9f99abf 2020-03-18 stsp case GOT_IMSG_ERROR:
704 531c3985 2020-03-18 stsp if (datalen < sizeof(struct got_imsg_error)) {
705 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
708 b9f99abf 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
710 abe0f35f 2020-03-18 stsp case GOT_IMSG_FETCH_SYMREFS:
711 abe0f35f 2020-03-18 stsp if (datalen < sizeof(*isymrefs)) {
712 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
715 abe0f35f 2020-03-18 stsp if (isymrefs != NULL) {
716 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
719 abe0f35f 2020-03-18 stsp isymrefs = (struct got_imsg_fetch_symrefs *)imsg.data;
720 abe0f35f 2020-03-18 stsp off = sizeof(*isymrefs);
721 abe0f35f 2020-03-18 stsp remain = datalen - off;
722 abe0f35f 2020-03-18 stsp for (n = 0; n < isymrefs->nsymrefs; n++) {
723 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symref *s;
724 abe0f35f 2020-03-18 stsp char *name, *target;
725 abe0f35f 2020-03-18 stsp if (remain < sizeof(struct got_imsg_fetch_symref)) {
726 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
729 abe0f35f 2020-03-18 stsp s = (struct got_imsg_fetch_symref *)(imsg.data + off);
730 abe0f35f 2020-03-18 stsp off += sizeof(*s);
731 abe0f35f 2020-03-18 stsp remain -= sizeof(*s);
732 abe0f35f 2020-03-18 stsp if (remain < s->name_len) {
733 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
736 abe0f35f 2020-03-18 stsp name = strndup(imsg.data + off, s->name_len);
737 abe0f35f 2020-03-18 stsp if (name == NULL) {
738 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
741 abe0f35f 2020-03-18 stsp off += s->name_len;
742 abe0f35f 2020-03-18 stsp remain -= s->name_len;
743 abe0f35f 2020-03-18 stsp if (remain < s->target_len) {
744 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
745 abe0f35f 2020-03-18 stsp free(name);
748 abe0f35f 2020-03-18 stsp target = strndup(imsg.data + off, s->target_len);
749 abe0f35f 2020-03-18 stsp if (target == NULL) {
750 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
751 abe0f35f 2020-03-18 stsp free(name);
754 abe0f35f 2020-03-18 stsp off += s->target_len;
755 abe0f35f 2020-03-18 stsp remain -= s->target_len;
756 abe0f35f 2020-03-18 stsp err = got_pathlist_append(symrefs, name, target);
758 abe0f35f 2020-03-18 stsp free(name);
759 abe0f35f 2020-03-18 stsp free(target);
764 ea7396b9 2020-03-18 stsp case GOT_IMSG_FETCH_REF:
765 531c3985 2020-03-18 stsp if (datalen <= SHA1_DIGEST_LENGTH) {
766 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
769 8f2d01a6 2020-03-18 stsp *id = malloc(sizeof(**id));
770 8f2d01a6 2020-03-18 stsp if (*id == NULL) {
771 b9f99abf 2020-03-18 stsp err = got_error_from_errno("malloc");
774 8f2d01a6 2020-03-18 stsp memcpy((*id)->sha1, imsg.data, SHA1_DIGEST_LENGTH);
775 b9f99abf 2020-03-18 stsp *refname = strndup(imsg.data + SHA1_DIGEST_LENGTH,
776 b9f99abf 2020-03-18 stsp datalen - SHA1_DIGEST_LENGTH);
777 b9f99abf 2020-03-18 stsp if (*refname == NULL) {
778 b9f99abf 2020-03-18 stsp err = got_error_from_errno("strndup");
782 531c3985 2020-03-18 stsp case GOT_IMSG_FETCH_SERVER_PROGRESS:
783 531c3985 2020-03-18 stsp if (datalen == 0) {
784 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
787 531c3985 2020-03-18 stsp *server_progress = strndup(imsg.data, datalen);
788 531c3985 2020-03-18 stsp if (*server_progress == NULL) {
789 531c3985 2020-03-18 stsp err = got_error_from_errno("strndup");
792 531c3985 2020-03-18 stsp for (i = 0; i < datalen; i++) {
793 531c3985 2020-03-18 stsp if (!isprint((unsigned char)(*server_progress)[i]) &&
794 531c3985 2020-03-18 stsp !isspace((unsigned char)(*server_progress)[i])) {
795 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
796 531c3985 2020-03-18 stsp free(*server_progress);
797 531c3985 2020-03-18 stsp *server_progress = NULL;
802 d2cdc636 2020-03-18 stsp case GOT_IMSG_FETCH_DOWNLOAD_PROGRESS:
803 d2cdc636 2020-03-18 stsp if (datalen < sizeof(*packfile_size)) {
804 d2cdc636 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
807 d2cdc636 2020-03-18 stsp memcpy(packfile_size, imsg.data, sizeof(*packfile_size));
809 8f2d01a6 2020-03-18 stsp case GOT_IMSG_FETCH_DONE:
810 8f2d01a6 2020-03-18 stsp if (datalen != SHA1_DIGEST_LENGTH) {
811 8f2d01a6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
814 1d72a2a0 2020-03-24 stsp memcpy(pack_sha1, imsg.data, SHA1_DIGEST_LENGTH);
818 b887aab6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
824 8f2d01a6 2020-03-18 stsp *id = NULL;
825 b887aab6 2020-03-18 stsp free(*refname);
826 b887aab6 2020-03-18 stsp *refname = NULL;
828 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
829 f8a36e22 2021-08-26 stsp return err;
832 f8a36e22 2021-08-26 stsp static const struct got_error *
833 f8a36e22 2021-08-26 stsp send_send_ref(const char *name, size_t name_len, struct got_object_id *id,
834 f8a36e22 2021-08-26 stsp int delete, struct imsgbuf *ibuf)
836 f8a36e22 2021-08-26 stsp size_t len;
837 f8a36e22 2021-08-26 stsp struct ibuf *wbuf;
839 f8a36e22 2021-08-26 stsp len = sizeof(struct got_imsg_send_ref) + name_len;
840 f8a36e22 2021-08-26 stsp wbuf = imsg_create(ibuf, GOT_IMSG_SEND_REF, 0, 0, len);
841 f8a36e22 2021-08-26 stsp if (wbuf == NULL)
842 f8a36e22 2021-08-26 stsp return got_error_from_errno("imsg_create SEND_REF");
844 f8a36e22 2021-08-26 stsp /* Keep in sync with struct got_imsg_send_ref! */
845 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, id->sha1, sizeof(id->sha1)) == -1)
846 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
847 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &delete, sizeof(delete)) == -1)
848 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
849 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
850 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
851 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
852 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
854 f8a36e22 2021-08-26 stsp wbuf->fd = -1;
855 f8a36e22 2021-08-26 stsp imsg_close(ibuf, wbuf);
856 f8a36e22 2021-08-26 stsp return flush_imsg(ibuf);
859 f8a36e22 2021-08-26 stsp const struct got_error *
860 f8a36e22 2021-08-26 stsp got_privsep_send_send_req(struct imsgbuf *ibuf, int fd,
861 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs,
862 abc59930 2021-09-05 naddy struct got_pathlist_head *delete_refs,
863 abc59930 2021-09-05 naddy int verbosity)
865 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
866 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *pe;
867 f8a36e22 2021-08-26 stsp struct got_imsg_send_request sendreq;
868 f8a36e22 2021-08-26 stsp struct got_object_id zero_id;
870 f8a36e22 2021-08-26 stsp memset(&zero_id, 0, sizeof(zero_id));
871 f8a36e22 2021-08-26 stsp memset(&sendreq, 0, sizeof(sendreq));
872 f8a36e22 2021-08-26 stsp sendreq.verbosity = verbosity;
873 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry)
874 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
875 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry)
876 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
877 f8a36e22 2021-08-26 stsp if (imsg_compose(ibuf, GOT_IMSG_SEND_REQUEST, 0, 0, fd,
878 f8a36e22 2021-08-26 stsp &sendreq, sizeof(sendreq)) == -1) {
879 f8a36e22 2021-08-26 stsp err = got_error_from_errno(
880 f8a36e22 2021-08-26 stsp "imsg_compose FETCH_SERVER_PROGRESS");
884 f8a36e22 2021-08-26 stsp err = flush_imsg(ibuf);
889 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry) {
890 f8a36e22 2021-08-26 stsp const char *name = pe->path;
891 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
892 f8a36e22 2021-08-26 stsp struct got_object_id *id = pe->data;
893 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, id, 0, ibuf);
898 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry) {
899 f8a36e22 2021-08-26 stsp const char *name = pe->path;
900 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
901 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, &zero_id, 1, ibuf);
906 f8a36e22 2021-08-26 stsp if (fd != -1 && close(fd) == -1 && err == NULL)
907 f8a36e22 2021-08-26 stsp err = got_error_from_errno("close");
908 f8a36e22 2021-08-26 stsp return err;
912 f8a36e22 2021-08-26 stsp const struct got_error *
913 f8a36e22 2021-08-26 stsp got_privsep_recv_send_remote_refs(struct got_pathlist_head *remote_refs,
914 f8a36e22 2021-08-26 stsp struct imsgbuf *ibuf)
916 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
917 f8a36e22 2021-08-26 stsp struct imsg imsg;
918 f8a36e22 2021-08-26 stsp size_t datalen;
919 f8a36e22 2021-08-26 stsp int done = 0;
920 f8a36e22 2021-08-26 stsp struct got_imsg_send_remote_ref iremote_ref;
921 f8a36e22 2021-08-26 stsp struct got_object_id *id = NULL;
922 f8a36e22 2021-08-26 stsp char *refname = NULL;
923 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *new;
925 f8a36e22 2021-08-26 stsp while (!done) {
926 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
928 f8a36e22 2021-08-26 stsp return err;
929 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
930 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
931 f8a36e22 2021-08-26 stsp case GOT_IMSG_ERROR:
932 f8a36e22 2021-08-26 stsp if (datalen < sizeof(struct got_imsg_error)) {
933 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
936 f8a36e22 2021-08-26 stsp err = recv_imsg_error(&imsg, datalen);
938 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REMOTE_REF:
939 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iremote_ref)) {
940 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
943 f8a36e22 2021-08-26 stsp memcpy(&iremote_ref, imsg.data, sizeof(iremote_ref));
944 f8a36e22 2021-08-26 stsp if (datalen != sizeof(iremote_ref) +
945 f8a36e22 2021-08-26 stsp iremote_ref.name_len) {
946 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
949 f8a36e22 2021-08-26 stsp id = malloc(sizeof(*id));
950 f8a36e22 2021-08-26 stsp if (id == NULL) {
951 f8a36e22 2021-08-26 stsp err = got_error_from_errno("malloc");
954 f8a36e22 2021-08-26 stsp memcpy(id->sha1, iremote_ref.id, SHA1_DIGEST_LENGTH);
955 f8a36e22 2021-08-26 stsp refname = strndup(imsg.data + sizeof(iremote_ref),
956 f8a36e22 2021-08-26 stsp datalen - sizeof(iremote_ref));
957 f8a36e22 2021-08-26 stsp if (refname == NULL) {
958 f8a36e22 2021-08-26 stsp err = got_error_from_errno("strndup");
961 f8a36e22 2021-08-26 stsp err = got_pathlist_insert(&new, remote_refs,
962 f8a36e22 2021-08-26 stsp refname, id);
965 f8a36e22 2021-08-26 stsp if (new == NULL) { /* duplicate which wasn't inserted */
967 f8a36e22 2021-08-26 stsp free(refname);
970 f8a36e22 2021-08-26 stsp refname = NULL;
972 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_PACK_REQUEST:
973 f8a36e22 2021-08-26 stsp if (datalen != 0) {
974 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
977 f8a36e22 2021-08-26 stsp /* got-send-pack is now waiting for a pack file. */
981 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
987 f8a36e22 2021-08-26 stsp free(refname);
988 b9f99abf 2020-03-18 stsp imsg_free(&imsg);
989 b9f99abf 2020-03-18 stsp return err;
992 93658fb9 2020-03-18 stsp const struct got_error *
993 f8a36e22 2021-08-26 stsp got_privsep_send_packfd(struct imsgbuf *ibuf, int fd)
995 f8a36e22 2021-08-26 stsp return send_fd(ibuf, GOT_IMSG_SEND_PACKFD, fd);
998 f8a36e22 2021-08-26 stsp const struct got_error *
999 f8a36e22 2021-08-26 stsp got_privsep_recv_send_progress(int *done, off_t *bytes_sent,
1000 f8a36e22 2021-08-26 stsp int *success, char **refname, struct imsgbuf *ibuf)
1002 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
1003 f8a36e22 2021-08-26 stsp struct imsg imsg;
1004 f8a36e22 2021-08-26 stsp size_t datalen;
1005 f8a36e22 2021-08-26 stsp struct got_imsg_send_ref_status iref_status;
1007 f8a36e22 2021-08-26 stsp /* Do not reset the current value of 'bytes_sent', it accumulates. */
1008 f8a36e22 2021-08-26 stsp *done = 0;
1009 f8a36e22 2021-08-26 stsp *success = 0;
1010 f8a36e22 2021-08-26 stsp *refname = NULL;
1012 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1014 f8a36e22 2021-08-26 stsp return err;
1016 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1017 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
1018 f8a36e22 2021-08-26 stsp case GOT_IMSG_ERROR:
1019 f8a36e22 2021-08-26 stsp if (datalen < sizeof(struct got_imsg_error)) {
1020 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1023 f8a36e22 2021-08-26 stsp err = recv_imsg_error(&imsg, datalen);
1025 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_UPLOAD_PROGRESS:
1026 f8a36e22 2021-08-26 stsp if (datalen < sizeof(*bytes_sent)) {
1027 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1030 f8a36e22 2021-08-26 stsp memcpy(bytes_sent, imsg.data, sizeof(*bytes_sent));
1032 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REF_STATUS:
1033 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iref_status)) {
1034 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1037 f8a36e22 2021-08-26 stsp memcpy(&iref_status, imsg.data, sizeof(iref_status));
1038 f8a36e22 2021-08-26 stsp if (datalen != sizeof(iref_status) + iref_status.name_len) {
1039 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1042 f8a36e22 2021-08-26 stsp *success = iref_status.success;
1043 f8a36e22 2021-08-26 stsp *refname = strndup(imsg.data + sizeof(iref_status),
1044 f8a36e22 2021-08-26 stsp iref_status.name_len);
1046 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_DONE:
1047 f8a36e22 2021-08-26 stsp if (datalen != 0) {
1048 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1051 f8a36e22 2021-08-26 stsp *done = 1;
1054 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1058 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
1059 f8a36e22 2021-08-26 stsp return err;
1062 f8a36e22 2021-08-26 stsp const struct got_error *
1063 fd251256 2020-03-24 stsp got_privsep_send_index_pack_req(struct imsgbuf *ibuf, uint8_t *pack_sha1,
1066 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1068 668a20f6 2020-03-18 stsp /* Keep in sync with struct got_imsg_index_pack_request */
1069 93658fb9 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_IDXPACK_REQUEST, 0, 0, fd,
1070 fd251256 2020-03-24 stsp pack_sha1, SHA1_DIGEST_LENGTH) == -1) {
1071 93658fb9 2020-03-18 stsp err = got_error_from_errno("imsg_compose INDEX_REQUEST");
1072 93658fb9 2020-03-18 stsp close(fd);
1073 93658fb9 2020-03-18 stsp return err;
1075 baa9fea0 2020-03-18 stsp return flush_imsg(ibuf);
1078 baa9fea0 2020-03-18 stsp const struct got_error *
1079 73ab1060 2020-03-18 stsp got_privsep_send_index_pack_outfd(struct imsgbuf *ibuf, int fd)
1081 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_IDXPACK_OUTFD, fd);
1084 73ab1060 2020-03-18 stsp const struct got_error *
1085 668a20f6 2020-03-18 stsp got_privsep_recv_index_progress(int *done, int *nobj_total,
1086 668a20f6 2020-03-18 stsp int *nobj_indexed, int *nobj_loose, int *nobj_resolved,
1087 668a20f6 2020-03-18 stsp struct imsgbuf *ibuf)
1089 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1090 93658fb9 2020-03-18 stsp struct imsg imsg;
1091 baa9fea0 2020-03-18 stsp struct got_imsg_index_pack_progress *iprogress;
1092 baa9fea0 2020-03-18 stsp size_t datalen;
1094 baa9fea0 2020-03-18 stsp *done = 0;
1095 668a20f6 2020-03-18 stsp *nobj_total = 0;
1096 668a20f6 2020-03-18 stsp *nobj_indexed = 0;
1097 668a20f6 2020-03-18 stsp *nobj_resolved = 0;
1099 93658fb9 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1101 93658fb9 2020-03-18 stsp return err;
1103 baa9fea0 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1104 baa9fea0 2020-03-18 stsp switch (imsg.hdr.type) {
1105 baa9fea0 2020-03-18 stsp case GOT_IMSG_ERROR:
1106 baa9fea0 2020-03-18 stsp if (datalen < sizeof(struct got_imsg_error)) {
1107 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1110 baa9fea0 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
1112 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_PROGRESS:
1113 baa9fea0 2020-03-18 stsp if (datalen < sizeof(*iprogress)) {
1114 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1117 baa9fea0 2020-03-18 stsp iprogress = (struct got_imsg_index_pack_progress *)imsg.data;
1118 668a20f6 2020-03-18 stsp *nobj_total = iprogress->nobj_total;
1119 668a20f6 2020-03-18 stsp *nobj_indexed = iprogress->nobj_indexed;
1120 668a20f6 2020-03-18 stsp *nobj_loose = iprogress->nobj_loose;
1121 668a20f6 2020-03-18 stsp *nobj_resolved = iprogress->nobj_resolved;
1123 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_DONE:
1124 baa9fea0 2020-03-18 stsp if (datalen != 0) {
1125 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1128 baa9fea0 2020-03-18 stsp *done = 1;
1131 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1135 93658fb9 2020-03-18 stsp imsg_free(&imsg);
1136 baa9fea0 2020-03-18 stsp return err;
1139 93658fb9 2020-03-18 stsp const struct got_error *
1140 cfd633c2 2018-09-10 stsp got_privsep_get_imsg_obj(struct got_object **obj, struct imsg *imsg,
1141 cfd633c2 2018-09-10 stsp struct imsgbuf *ibuf)
1143 291624d8 2018-11-07 stsp struct got_imsg_object *iobj;
1144 cfd633c2 2018-09-10 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1146 291624d8 2018-11-07 stsp if (datalen != sizeof(*iobj))
1147 cfd633c2 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1148 291624d8 2018-11-07 stsp iobj = imsg->data;
1150 cfd633c2 2018-09-10 stsp *obj = calloc(1, sizeof(**obj));
1151 cfd633c2 2018-09-10 stsp if (*obj == NULL)
1152 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
1154 291624d8 2018-11-07 stsp memcpy((*obj)->id.sha1, iobj->id, SHA1_DIGEST_LENGTH);
1155 291624d8 2018-11-07 stsp (*obj)->type = iobj->type;
1156 291624d8 2018-11-07 stsp (*obj)->flags = iobj->flags;
1157 291624d8 2018-11-07 stsp (*obj)->hdrlen = iobj->hdrlen;
1158 291624d8 2018-11-07 stsp (*obj)->size = iobj->size;
1159 c59b3346 2018-09-11 stsp /* path_packfile is handled by caller */
1160 291624d8 2018-11-07 stsp if (iobj->flags & GOT_OBJ_FLAG_PACKED) {
1161 291624d8 2018-11-07 stsp (*obj)->pack_offset = iobj->pack_offset;
1162 291624d8 2018-11-07 stsp (*obj)->pack_idx = iobj->pack_idx;
1164 772802ae 2022-01-27 thomas STAILQ_INIT(&(*obj)->deltas.entries);
1165 772802ae 2022-01-27 thomas return NULL;
1168 2178c42e 2018-04-22 stsp const struct got_error *
1169 2178c42e 2018-04-22 stsp got_privsep_recv_obj(struct got_object **obj, struct imsgbuf *ibuf)
1171 2178c42e 2018-04-22 stsp const struct got_error *err = NULL;
1172 2178c42e 2018-04-22 stsp struct imsg imsg;
1173 c4eae628 2018-04-23 stsp const size_t min_datalen =
1174 c4eae628 2018-04-23 stsp MIN(sizeof(struct got_imsg_error), sizeof(struct got_imsg_object));
1176 2178c42e 2018-04-22 stsp *obj = NULL;
1178 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1180 2178c42e 2018-04-22 stsp return err;
1182 2178c42e 2018-04-22 stsp switch (imsg.hdr.type) {
1183 2178c42e 2018-04-22 stsp case GOT_IMSG_OBJECT:
1184 cfd633c2 2018-09-10 stsp err = got_privsep_get_imsg_obj(obj, &imsg, ibuf);
1187 bff6ca00 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1191 bff6ca00 2018-04-23 stsp imsg_free(&imsg);
1193 bff6ca00 2018-04-23 stsp return err;
1196 c75f7264 2018-09-11 stsp static const struct got_error *
1197 c75f7264 2018-09-11 stsp send_commit_logmsg(struct imsgbuf *ibuf, struct got_commit_object *commit,
1198 c75f7264 2018-09-11 stsp size_t logmsg_len)
1200 fa4ffeb3 2018-11-04 stsp const struct got_error *err = NULL;
1201 c75f7264 2018-09-11 stsp size_t offset, remain;
1203 c75f7264 2018-09-11 stsp offset = 0;
1204 c75f7264 2018-09-11 stsp remain = logmsg_len;
1205 c75f7264 2018-09-11 stsp while (remain > 0) {
1206 c75f7264 2018-09-11 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1208 c75f7264 2018-09-11 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_LOGMSG, 0, 0, -1,
1209 fa4ffeb3 2018-11-04 stsp commit->logmsg + offset, n) == -1) {
1210 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose "
1211 230a42bd 2019-05-11 jcs "COMMIT_LOGMSG");
1215 fa4ffeb3 2018-11-04 stsp err = flush_imsg(ibuf);
1219 c75f7264 2018-09-11 stsp offset += n;
1220 c75f7264 2018-09-11 stsp remain -= n;
1223 fa4ffeb3 2018-11-04 stsp return err;
1226 bff6ca00 2018-04-23 stsp const struct got_error *
1227 068fd2bf 2018-04-24 stsp got_privsep_send_commit(struct imsgbuf *ibuf, struct got_commit_object *commit)
1229 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1230 b9c33926 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1231 bff6ca00 2018-04-23 stsp uint8_t *buf;
1232 bff6ca00 2018-04-23 stsp size_t len, total;
1233 79f35eb3 2018-06-11 stsp struct got_object_qid *qid;
1234 b9c33926 2018-11-07 stsp size_t author_len = strlen(commit->author);
1235 b9c33926 2018-11-07 stsp size_t committer_len = strlen(commit->committer);
1236 c75f7264 2018-09-11 stsp size_t logmsg_len = strlen(commit->logmsg);
1238 b9c33926 2018-11-07 stsp total = sizeof(*icommit) + author_len + committer_len +
1239 b9c33926 2018-11-07 stsp commit->nparents * SHA1_DIGEST_LENGTH;
1241 bff6ca00 2018-04-23 stsp buf = malloc(total);
1242 bff6ca00 2018-04-23 stsp if (buf == NULL)
1243 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1245 b9c33926 2018-11-07 stsp icommit = (struct got_imsg_commit_object *)buf;
1246 a7403916 2018-12-24 stsp memcpy(icommit->tree_id, commit->tree_id->sha1,
1247 a7403916 2018-12-24 stsp sizeof(icommit->tree_id));
1248 b9c33926 2018-11-07 stsp icommit->author_len = author_len;
1249 b9c33926 2018-11-07 stsp icommit->author_time = commit->author_time;
1250 b9c33926 2018-11-07 stsp icommit->author_gmtoff = commit->author_gmtoff;
1251 b9c33926 2018-11-07 stsp icommit->committer_len = committer_len;
1252 b9c33926 2018-11-07 stsp icommit->committer_time = commit->committer_time;
1253 b9c33926 2018-11-07 stsp icommit->committer_gmtoff = commit->committer_gmtoff;
1254 b9c33926 2018-11-07 stsp icommit->logmsg_len = logmsg_len;
1255 b9c33926 2018-11-07 stsp icommit->nparents = commit->nparents;
1257 b9c33926 2018-11-07 stsp len = sizeof(*icommit);
1258 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->author, author_len);
1259 b9c33926 2018-11-07 stsp len += author_len;
1260 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->committer, committer_len);
1261 b9c33926 2018-11-07 stsp len += committer_len;
1262 dbdddfee 2021-06-23 naddy STAILQ_FOREACH(qid, &commit->parent_ids, entry) {
1263 ec242592 2022-04-22 thomas memcpy(buf + len, &qid->id, SHA1_DIGEST_LENGTH);
1264 86acc566 2018-04-23 stsp len += SHA1_DIGEST_LENGTH;
1267 bff6ca00 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT, 0, 0, -1, buf, len) == -1) {
1268 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT");
1269 bff6ca00 2018-04-23 stsp goto done;
1272 904df868 2018-11-04 stsp if (logmsg_len == 0 ||
1273 904df868 2018-11-04 stsp logmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1274 904df868 2018-11-04 stsp err = flush_imsg(ibuf);
1276 904df868 2018-11-04 stsp goto done;
1278 c75f7264 2018-09-11 stsp err = send_commit_logmsg(ibuf, commit, logmsg_len);
1280 bff6ca00 2018-04-23 stsp free(buf);
1281 bff6ca00 2018-04-23 stsp return err;
1284 ca6e02ac 2020-01-07 stsp static const struct got_error *
1285 ca6e02ac 2020-01-07 stsp get_commit_from_imsg(struct got_commit_object **commit,
1286 ca6e02ac 2020-01-07 stsp struct imsg *imsg, size_t datalen, struct imsgbuf *ibuf)
1288 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1289 291624d8 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1290 ca6e02ac 2020-01-07 stsp size_t len = 0;
1293 ca6e02ac 2020-01-07 stsp if (datalen < sizeof(*icommit))
1294 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1296 ca6e02ac 2020-01-07 stsp icommit = imsg->data;
1297 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommit) + icommit->author_len +
1298 ca6e02ac 2020-01-07 stsp icommit->committer_len +
1299 ca6e02ac 2020-01-07 stsp icommit->nparents * SHA1_DIGEST_LENGTH)
1300 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1302 ca6e02ac 2020-01-07 stsp if (icommit->nparents < 0)
1303 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1305 ca6e02ac 2020-01-07 stsp len += sizeof(*icommit);
1307 ca6e02ac 2020-01-07 stsp *commit = got_object_commit_alloc_partial();
1308 ca6e02ac 2020-01-07 stsp if (*commit == NULL)
1309 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
1310 ca6e02ac 2020-01-07 stsp "got_object_commit_alloc_partial");
1312 ca6e02ac 2020-01-07 stsp memcpy((*commit)->tree_id->sha1, icommit->tree_id,
1313 ca6e02ac 2020-01-07 stsp SHA1_DIGEST_LENGTH);
1314 ca6e02ac 2020-01-07 stsp (*commit)->author_time = icommit->author_time;
1315 ca6e02ac 2020-01-07 stsp (*commit)->author_gmtoff = icommit->author_gmtoff;
1316 ca6e02ac 2020-01-07 stsp (*commit)->committer_time = icommit->committer_time;
1317 ca6e02ac 2020-01-07 stsp (*commit)->committer_gmtoff = icommit->committer_gmtoff;
1319 ca6e02ac 2020-01-07 stsp if (icommit->author_len == 0) {
1320 ca6e02ac 2020-01-07 stsp (*commit)->author = strdup("");
1321 ca6e02ac 2020-01-07 stsp if ((*commit)->author == NULL) {
1322 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1323 ca6e02ac 2020-01-07 stsp goto done;
1326 ca6e02ac 2020-01-07 stsp (*commit)->author = malloc(icommit->author_len + 1);
1327 ca6e02ac 2020-01-07 stsp if ((*commit)->author == NULL) {
1328 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1329 ca6e02ac 2020-01-07 stsp goto done;
1331 ca6e02ac 2020-01-07 stsp memcpy((*commit)->author, imsg->data + len,
1332 ca6e02ac 2020-01-07 stsp icommit->author_len);
1333 ca6e02ac 2020-01-07 stsp (*commit)->author[icommit->author_len] = '\0';
1335 ca6e02ac 2020-01-07 stsp len += icommit->author_len;
1337 ca6e02ac 2020-01-07 stsp if (icommit->committer_len == 0) {
1338 ca6e02ac 2020-01-07 stsp (*commit)->committer = strdup("");
1339 ca6e02ac 2020-01-07 stsp if ((*commit)->committer == NULL) {
1340 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1341 ca6e02ac 2020-01-07 stsp goto done;
1344 ca6e02ac 2020-01-07 stsp (*commit)->committer =
1345 ca6e02ac 2020-01-07 stsp malloc(icommit->committer_len + 1);
1346 ca6e02ac 2020-01-07 stsp if ((*commit)->committer == NULL) {
1347 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1348 ca6e02ac 2020-01-07 stsp goto done;
1350 ca6e02ac 2020-01-07 stsp memcpy((*commit)->committer, imsg->data + len,
1351 ca6e02ac 2020-01-07 stsp icommit->committer_len);
1352 ca6e02ac 2020-01-07 stsp (*commit)->committer[icommit->committer_len] = '\0';
1354 ca6e02ac 2020-01-07 stsp len += icommit->committer_len;
1356 ca6e02ac 2020-01-07 stsp if (icommit->logmsg_len == 0) {
1357 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = strdup("");
1358 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1359 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1360 ca6e02ac 2020-01-07 stsp goto done;
1363 ca6e02ac 2020-01-07 stsp size_t offset = 0, remain = icommit->logmsg_len;
1365 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = malloc(icommit->logmsg_len + 1);
1366 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1367 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1368 ca6e02ac 2020-01-07 stsp goto done;
1370 ca6e02ac 2020-01-07 stsp while (remain > 0) {
1371 ca6e02ac 2020-01-07 stsp struct imsg imsg_log;
1372 ca6e02ac 2020-01-07 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1375 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1377 ca6e02ac 2020-01-07 stsp goto done;
1379 ca6e02ac 2020-01-07 stsp if (imsg_log.hdr.type != GOT_IMSG_COMMIT_LOGMSG) {
1380 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1381 ca6e02ac 2020-01-07 stsp goto done;
1384 ca6e02ac 2020-01-07 stsp memcpy((*commit)->logmsg + offset,
1385 ca6e02ac 2020-01-07 stsp imsg_log.data, n);
1386 ca6e02ac 2020-01-07 stsp imsg_free(&imsg_log);
1387 ca6e02ac 2020-01-07 stsp offset += n;
1388 ca6e02ac 2020-01-07 stsp remain -= n;
1390 ca6e02ac 2020-01-07 stsp (*commit)->logmsg[icommit->logmsg_len] = '\0';
1393 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommit->nparents; i++) {
1394 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
1396 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
1399 ec242592 2022-04-22 thomas memcpy(&qid->id, imsg->data + len +
1400 ec242592 2022-04-22 thomas i * SHA1_DIGEST_LENGTH, sizeof(qid->id));
1401 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(&(*commit)->parent_ids, qid, entry);
1402 ca6e02ac 2020-01-07 stsp (*commit)->nparents++;
1405 ca6e02ac 2020-01-07 stsp if (err) {
1406 ca6e02ac 2020-01-07 stsp got_object_commit_close(*commit);
1407 ca6e02ac 2020-01-07 stsp *commit = NULL;
1409 ca6e02ac 2020-01-07 stsp return err;
1412 ca6e02ac 2020-01-07 stsp const struct got_error *
1413 ca6e02ac 2020-01-07 stsp got_privsep_recv_commit(struct got_commit_object **commit, struct imsgbuf *ibuf)
1415 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
1416 ca6e02ac 2020-01-07 stsp struct imsg imsg;
1417 ca6e02ac 2020-01-07 stsp size_t datalen;
1418 ca6e02ac 2020-01-07 stsp const size_t min_datalen =
1419 ca6e02ac 2020-01-07 stsp MIN(sizeof(struct got_imsg_error),
1420 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_object));
1422 ca6e02ac 2020-01-07 stsp *commit = NULL;
1424 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1426 ca6e02ac 2020-01-07 stsp return err;
1428 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1430 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
1431 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
1432 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(commit, &imsg, datalen, ibuf);
1435 8c580685 2018-04-22 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1439 2178c42e 2018-04-22 stsp imsg_free(&imsg);
1441 e033d803 2018-04-23 stsp return err;
1444 06de99ad 2022-05-19 thomas static const struct got_error *
1445 06de99ad 2022-05-19 thomas send_tree_entries(struct imsgbuf *ibuf, struct got_parsed_tree_entry *entries,
1446 06de99ad 2022-05-19 thomas int idx0, int idxN, size_t len)
1448 06de99ad 2022-05-19 thomas struct ibuf *wbuf;
1449 06de99ad 2022-05-19 thomas struct got_imsg_tree_entries ientries;
1452 06de99ad 2022-05-19 thomas wbuf = imsg_create(ibuf, GOT_IMSG_TREE_ENTRIES, 0, 0, len);
1453 06de99ad 2022-05-19 thomas if (wbuf == NULL)
1454 06de99ad 2022-05-19 thomas return got_error_from_errno("imsg_create TREE_ENTRY");
1456 06de99ad 2022-05-19 thomas ientries.nentries = idxN - idx0 + 1;
1457 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &ientries, sizeof(ientries)) == -1)
1458 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1460 06de99ad 2022-05-19 thomas for (i = idx0; i <= idxN; i++) {
1461 06de99ad 2022-05-19 thomas struct got_parsed_tree_entry *pte = &entries[i];
1463 3022d272 2019-11-14 stsp /* Keep in sync with struct got_imsg_tree_object definition! */
1464 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, pte->id, SHA1_DIGEST_LENGTH) == -1)
1465 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1466 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &pte->mode, sizeof(pte->mode)) == -1)
1467 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1468 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &pte->namelen, sizeof(pte->namelen)) == -1)
1469 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1471 06de99ad 2022-05-19 thomas /* Remaining bytes are the entry's name. */
1472 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, pte->name, pte->namelen) == -1)
1473 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1476 06de99ad 2022-05-19 thomas wbuf->fd = -1;
1477 06de99ad 2022-05-19 thomas imsg_close(ibuf, wbuf);
1478 06de99ad 2022-05-19 thomas return NULL;
1481 06de99ad 2022-05-19 thomas const struct got_error *
1482 06de99ad 2022-05-19 thomas got_privsep_send_tree(struct imsgbuf *ibuf,
1483 06de99ad 2022-05-19 thomas struct got_parsed_tree_entry *entries, int nentries)
1485 06de99ad 2022-05-19 thomas const struct got_error *err = NULL;
1486 06de99ad 2022-05-19 thomas struct got_imsg_tree_object itree;
1487 06de99ad 2022-05-19 thomas size_t entries_len;
1488 06de99ad 2022-05-19 thomas int i, j;
1490 06de99ad 2022-05-19 thomas itree.nentries = nentries;
1491 06de99ad 2022-05-19 thomas if (imsg_compose(ibuf, GOT_IMSG_TREE, 0, 0, -1, &itree, sizeof(itree))
1493 06de99ad 2022-05-19 thomas return got_error_from_errno("imsg_compose TREE");
1495 06de99ad 2022-05-19 thomas entries_len = sizeof(struct got_imsg_tree_entries);
1497 06de99ad 2022-05-19 thomas for (j = 0; j < nentries; j++) {
1498 06de99ad 2022-05-19 thomas struct got_parsed_tree_entry *pte = &entries[j];
1499 06de99ad 2022-05-19 thomas size_t len = sizeof(*pte) + pte->namelen;
1501 06de99ad 2022-05-19 thomas if (j > 0 &&
1502 06de99ad 2022-05-19 thomas entries_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1503 06de99ad 2022-05-19 thomas err = send_tree_entries(ibuf, entries,
1504 06de99ad 2022-05-19 thomas i, j - 1, entries_len);
1505 06de99ad 2022-05-19 thomas if (err)
1506 06de99ad 2022-05-19 thomas return err;
1508 06de99ad 2022-05-19 thomas entries_len = sizeof(struct got_imsg_tree_entries);
1511 06de99ad 2022-05-19 thomas entries_len += len;
1514 06de99ad 2022-05-19 thomas if (j > 0) {
1515 06de99ad 2022-05-19 thomas err = send_tree_entries(ibuf, entries, i, j - 1, entries_len);
1516 06de99ad 2022-05-19 thomas if (err)
1517 06de99ad 2022-05-19 thomas return err;
1520 b00c9821 2018-11-04 stsp return flush_imsg(ibuf);
1523 e033d803 2018-04-23 stsp const struct got_error *
1524 068fd2bf 2018-04-24 stsp got_privsep_recv_tree(struct got_tree_object **tree, struct imsgbuf *ibuf)
1526 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
1527 e033d803 2018-04-23 stsp const size_t min_datalen =
1528 e033d803 2018-04-23 stsp MIN(sizeof(struct got_imsg_error),
1529 e033d803 2018-04-23 stsp sizeof(struct got_imsg_tree_object));
1530 291624d8 2018-11-07 stsp struct got_imsg_tree_object *itree;
1531 06de99ad 2022-05-19 thomas size_t i;
1532 e033d803 2018-04-23 stsp int nentries = 0;
1534 e033d803 2018-04-23 stsp *tree = NULL;
1536 e033d803 2018-04-23 stsp err = read_imsg(ibuf);
1538 1e51f5b9 2018-04-23 stsp goto done;
1541 e033d803 2018-04-23 stsp struct imsg imsg;
1543 e033d803 2018-04-23 stsp size_t datalen;
1544 06de99ad 2022-05-19 thomas struct got_imsg_tree_entries *ientries;
1545 e033d803 2018-04-23 stsp struct got_tree_entry *te = NULL;
1546 06de99ad 2022-05-19 thomas size_t te_offset;
1548 e033d803 2018-04-23 stsp n = imsg_get(ibuf, &imsg);
1549 e033d803 2018-04-23 stsp if (n == 0) {
1550 8767bb94 2022-05-19 thomas if ((*tree)) {
1551 8767bb94 2022-05-19 thomas if (nentries < (*tree)->nentries) {
1552 8767bb94 2022-05-19 thomas err = read_imsg(ibuf);
1553 8767bb94 2022-05-19 thomas if (err)
1555 8767bb94 2022-05-19 thomas continue;
1558 8767bb94 2022-05-19 thomas } else {
1559 8767bb94 2022-05-19 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
1564 fca1f6ad 2020-08-27 stsp if (imsg.hdr.len < IMSG_HEADER_SIZE + min_datalen) {
1565 fca1f6ad 2020-08-27 stsp imsg_free(&imsg);
1566 fca1f6ad 2020-08-27 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1570 e033d803 2018-04-23 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1572 e033d803 2018-04-23 stsp switch (imsg.hdr.type) {
1573 e033d803 2018-04-23 stsp case GOT_IMSG_ERROR:
1574 e033d803 2018-04-23 stsp err = recv_imsg_error(&imsg, datalen);
1576 e033d803 2018-04-23 stsp case GOT_IMSG_TREE:
1577 e033d803 2018-04-23 stsp /* This message should only appear once. */
1578 e033d803 2018-04-23 stsp if (*tree != NULL) {
1579 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1582 291624d8 2018-11-07 stsp if (datalen != sizeof(*itree)) {
1583 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1586 291624d8 2018-11-07 stsp itree = imsg.data;
1587 ace4d4e7 2022-05-19 thomas if (itree->nentries < 0) {
1588 ace4d4e7 2022-05-19 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1591 c3b78ecc 2018-11-07 stsp *tree = malloc(sizeof(**tree));
1592 e033d803 2018-04-23 stsp if (*tree == NULL) {
1593 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1596 56e0773d 2019-11-28 stsp (*tree)->entries = calloc(itree->nentries,
1597 56e0773d 2019-11-28 stsp sizeof(struct got_tree_entry));
1598 56e0773d 2019-11-28 stsp if ((*tree)->entries == NULL) {
1599 56e0773d 2019-11-28 stsp err = got_error_from_errno("malloc");
1600 c3bacae2 2022-05-19 thomas free(*tree);
1601 c3bacae2 2022-05-19 thomas *tree = NULL;
1604 56e0773d 2019-11-28 stsp (*tree)->nentries = itree->nentries;
1605 c3b78ecc 2018-11-07 stsp (*tree)->refcnt = 0;
1607 06de99ad 2022-05-19 thomas case GOT_IMSG_TREE_ENTRIES:
1608 e033d803 2018-04-23 stsp /* This message should be preceeded by GOT_IMSG_TREE. */
1609 e033d803 2018-04-23 stsp if (*tree == NULL) {
1610 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1613 06de99ad 2022-05-19 thomas if (datalen <= sizeof(*ientries) ||
1614 06de99ad 2022-05-19 thomas datalen > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1615 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1619 06de99ad 2022-05-19 thomas ientries = imsg.data;
1620 06de99ad 2022-05-19 thomas if (ientries->nentries > INT_MAX) {
1621 06de99ad 2022-05-19 thomas err = got_error_msg(GOT_ERR_NO_SPACE,
1622 06de99ad 2022-05-19 thomas "too many tree entries");
1625 06de99ad 2022-05-19 thomas te_offset = sizeof(*ientries);
1626 06de99ad 2022-05-19 thomas for (i = 0; i < ientries->nentries; i++) {
1627 06de99ad 2022-05-19 thomas struct got_imsg_tree_entry ite;
1628 06de99ad 2022-05-19 thomas const char *te_name;
1629 06de99ad 2022-05-19 thomas uint8_t *buf = imsg.data + te_offset;
1631 06de99ad 2022-05-19 thomas if (te_offset >= datalen) {
1632 06de99ad 2022-05-19 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1636 06de99ad 2022-05-19 thomas /* Might not be aligned, size is ~32 bytes. */
1637 06de99ad 2022-05-19 thomas memcpy(&ite, buf, sizeof(ite));
1639 06de99ad 2022-05-19 thomas if (ite.namelen >= sizeof(te->name)) {
1640 06de99ad 2022-05-19 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1643 06de99ad 2022-05-19 thomas if (te_offset + sizeof(ite) + ite.namelen >
1644 06de99ad 2022-05-19 thomas datalen) {
1645 06de99ad 2022-05-19 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1648 06de99ad 2022-05-19 thomas if (nentries >= (*tree)->nentries) {
1649 06de99ad 2022-05-19 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1652 06de99ad 2022-05-19 thomas te = &(*tree)->entries[nentries];
1653 06de99ad 2022-05-19 thomas te_name = buf + sizeof(ite);
1654 06de99ad 2022-05-19 thomas memcpy(te->name, te_name, ite.namelen);
1655 06de99ad 2022-05-19 thomas te->name[ite.namelen] = '\0';
1656 06de99ad 2022-05-19 thomas memcpy(te->id.sha1, ite.id, SHA1_DIGEST_LENGTH);
1657 06de99ad 2022-05-19 thomas te->mode = ite.mode;
1658 06de99ad 2022-05-19 thomas te->idx = nentries;
1659 06de99ad 2022-05-19 thomas nentries++;
1661 06de99ad 2022-05-19 thomas te_offset += sizeof(ite) + ite.namelen;
1665 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1669 e033d803 2018-04-23 stsp imsg_free(&imsg);
1674 56e0773d 2019-11-28 stsp if (*tree && (*tree)->nentries != nentries) {
1675 1e51f5b9 2018-04-23 stsp if (err == NULL)
1676 1e51f5b9 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1677 e033d803 2018-04-23 stsp got_object_tree_close(*tree);
1678 e033d803 2018-04-23 stsp *tree = NULL;
1681 ff6b18f8 2018-04-24 stsp return err;
1684 ff6b18f8 2018-04-24 stsp const struct got_error *
1685 ac544f8c 2019-01-13 stsp got_privsep_send_blob(struct imsgbuf *ibuf, size_t size, size_t hdrlen,
1686 ac544f8c 2019-01-13 stsp const uint8_t *data)
1688 2967a784 2018-04-24 stsp struct got_imsg_blob iblob;
1690 2967a784 2018-04-24 stsp iblob.size = size;
1691 ebc55e2d 2018-12-24 stsp iblob.hdrlen = hdrlen;
1693 ac544f8c 2019-01-13 stsp if (data) {
1694 ac544f8c 2019-01-13 stsp uint8_t *buf;
1696 ac544f8c 2019-01-13 stsp if (size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX)
1697 ac544f8c 2019-01-13 stsp return got_error(GOT_ERR_NO_SPACE);
1699 ac544f8c 2019-01-13 stsp buf = malloc(sizeof(iblob) + size);
1700 ac544f8c 2019-01-13 stsp if (buf == NULL)
1701 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1703 ac544f8c 2019-01-13 stsp memcpy(buf, &iblob, sizeof(iblob));
1704 ac544f8c 2019-01-13 stsp memcpy(buf + sizeof(iblob), data, size);
1705 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, buf,
1706 62d463ca 2020-10-20 naddy sizeof(iblob) + size) == -1) {
1707 ac544f8c 2019-01-13 stsp free(buf);
1708 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1710 ac544f8c 2019-01-13 stsp free(buf);
1712 ac544f8c 2019-01-13 stsp /* Data has already been written to file descriptor. */
1713 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, &iblob,
1714 ac544f8c 2019-01-13 stsp sizeof(iblob)) == -1)
1715 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1719 ff6b18f8 2018-04-24 stsp return flush_imsg(ibuf);
1722 ff6b18f8 2018-04-24 stsp const struct got_error *
1723 ac544f8c 2019-01-13 stsp got_privsep_recv_blob(uint8_t **outbuf, size_t *size, size_t *hdrlen,
1724 ac544f8c 2019-01-13 stsp struct imsgbuf *ibuf)
1726 ff6b18f8 2018-04-24 stsp const struct got_error *err = NULL;
1727 ff6b18f8 2018-04-24 stsp struct imsg imsg;
1728 291624d8 2018-11-07 stsp struct got_imsg_blob *iblob;
1729 ff6b18f8 2018-04-24 stsp size_t datalen;
1731 ac544f8c 2019-01-13 stsp *outbuf = NULL;
1733 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1735 ff6b18f8 2018-04-24 stsp return err;
1737 ff6b18f8 2018-04-24 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1739 ff6b18f8 2018-04-24 stsp switch (imsg.hdr.type) {
1740 ff6b18f8 2018-04-24 stsp case GOT_IMSG_BLOB:
1741 ac544f8c 2019-01-13 stsp if (datalen < sizeof(*iblob)) {
1742 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1745 291624d8 2018-11-07 stsp iblob = imsg.data;
1746 291624d8 2018-11-07 stsp *size = iblob->size;
1747 ebc55e2d 2018-12-24 stsp *hdrlen = iblob->hdrlen;
1749 ac544f8c 2019-01-13 stsp if (datalen == sizeof(*iblob)) {
1750 ac544f8c 2019-01-13 stsp /* Data has been written to file descriptor. */
1754 ac544f8c 2019-01-13 stsp if (*size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX) {
1755 ac544f8c 2019-01-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1759 ac544f8c 2019-01-13 stsp *outbuf = malloc(*size);
1760 ac544f8c 2019-01-13 stsp if (*outbuf == NULL) {
1761 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1764 ac544f8c 2019-01-13 stsp memcpy(*outbuf, imsg.data + sizeof(*iblob), *size);
1767 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1771 f4a881ce 2018-11-17 stsp imsg_free(&imsg);
1773 f4a881ce 2018-11-17 stsp return err;
1776 f4a881ce 2018-11-17 stsp static const struct got_error *
1777 f4a881ce 2018-11-17 stsp send_tagmsg(struct imsgbuf *ibuf, struct got_tag_object *tag, size_t tagmsg_len)
1779 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1780 f4a881ce 2018-11-17 stsp size_t offset, remain;
1782 f4a881ce 2018-11-17 stsp offset = 0;
1783 f4a881ce 2018-11-17 stsp remain = tagmsg_len;
1784 f4a881ce 2018-11-17 stsp while (remain > 0) {
1785 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1787 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_TAGMSG, 0, 0, -1,
1788 f4a881ce 2018-11-17 stsp tag->tagmsg + offset, n) == -1) {
1789 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG_TAGMSG");
1793 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1797 f4a881ce 2018-11-17 stsp offset += n;
1798 f4a881ce 2018-11-17 stsp remain -= n;
1801 f4a881ce 2018-11-17 stsp return err;
1804 f4a881ce 2018-11-17 stsp const struct got_error *
1805 f4a881ce 2018-11-17 stsp got_privsep_send_tag(struct imsgbuf *ibuf, struct got_tag_object *tag)
1807 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1808 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1809 f4a881ce 2018-11-17 stsp uint8_t *buf;
1810 f4a881ce 2018-11-17 stsp size_t len, total;
1811 f4a881ce 2018-11-17 stsp size_t tag_len = strlen(tag->tag);
1812 f4a881ce 2018-11-17 stsp size_t tagger_len = strlen(tag->tagger);
1813 f4a881ce 2018-11-17 stsp size_t tagmsg_len = strlen(tag->tagmsg);
1815 f4a881ce 2018-11-17 stsp total = sizeof(*itag) + tag_len + tagger_len + tagmsg_len;
1817 f4a881ce 2018-11-17 stsp buf = malloc(total);
1818 f4a881ce 2018-11-17 stsp if (buf == NULL)
1819 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1821 f4a881ce 2018-11-17 stsp itag = (struct got_imsg_tag_object *)buf;
1822 f4a881ce 2018-11-17 stsp memcpy(itag->id, tag->id.sha1, sizeof(itag->id));
1823 f4a881ce 2018-11-17 stsp itag->obj_type = tag->obj_type;
1824 f4a881ce 2018-11-17 stsp itag->tag_len = tag_len;
1825 f4a881ce 2018-11-17 stsp itag->tagger_len = tagger_len;
1826 f4a881ce 2018-11-17 stsp itag->tagger_time = tag->tagger_time;
1827 f4a881ce 2018-11-17 stsp itag->tagger_gmtoff = tag->tagger_gmtoff;
1828 f4a881ce 2018-11-17 stsp itag->tagmsg_len = tagmsg_len;
1830 f4a881ce 2018-11-17 stsp len = sizeof(*itag);
1831 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tag, tag_len);
1832 f4a881ce 2018-11-17 stsp len += tag_len;
1833 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tagger, tagger_len);
1834 f4a881ce 2018-11-17 stsp len += tagger_len;
1836 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG, 0, 0, -1, buf, len) == -1) {
1837 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG");
1838 f4a881ce 2018-11-17 stsp goto done;
1841 f4a881ce 2018-11-17 stsp if (tagmsg_len == 0 ||
1842 f4a881ce 2018-11-17 stsp tagmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1843 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1845 f4a881ce 2018-11-17 stsp goto done;
1847 f4a881ce 2018-11-17 stsp err = send_tagmsg(ibuf, tag, tagmsg_len);
1849 f4a881ce 2018-11-17 stsp free(buf);
1850 f4a881ce 2018-11-17 stsp return err;
1853 f4a881ce 2018-11-17 stsp const struct got_error *
1854 f4a881ce 2018-11-17 stsp got_privsep_recv_tag(struct got_tag_object **tag, struct imsgbuf *ibuf)
1856 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1857 f4a881ce 2018-11-17 stsp struct imsg imsg;
1858 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1859 f4a881ce 2018-11-17 stsp size_t len, datalen;
1860 f4a881ce 2018-11-17 stsp const size_t min_datalen =
1861 f4a881ce 2018-11-17 stsp MIN(sizeof(struct got_imsg_error),
1862 f4a881ce 2018-11-17 stsp sizeof(struct got_imsg_tag_object));
1864 f4a881ce 2018-11-17 stsp *tag = NULL;
1866 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1868 f4a881ce 2018-11-17 stsp return err;
1870 f4a881ce 2018-11-17 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1873 f4a881ce 2018-11-17 stsp switch (imsg.hdr.type) {
1874 f4a881ce 2018-11-17 stsp case GOT_IMSG_TAG:
1875 f4a881ce 2018-11-17 stsp if (datalen < sizeof(*itag)) {
1876 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1879 f4a881ce 2018-11-17 stsp itag = imsg.data;
1880 f4a881ce 2018-11-17 stsp if (datalen != sizeof(*itag) + itag->tag_len +
1881 f4a881ce 2018-11-17 stsp itag->tagger_len) {
1882 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1885 f4a881ce 2018-11-17 stsp len += sizeof(*itag);
1887 f4a881ce 2018-11-17 stsp *tag = calloc(1, sizeof(**tag));
1888 f4a881ce 2018-11-17 stsp if (*tag == NULL) {
1889 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
1893 f4a881ce 2018-11-17 stsp memcpy((*tag)->id.sha1, itag->id, SHA1_DIGEST_LENGTH);
1895 f4a881ce 2018-11-17 stsp if (itag->tag_len == 0) {
1896 f4a881ce 2018-11-17 stsp (*tag)->tag = strdup("");
1897 f4a881ce 2018-11-17 stsp if ((*tag)->tag == NULL) {
1898 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1902 f4a881ce 2018-11-17 stsp (*tag)->tag = malloc(itag->tag_len + 1);
1903 f4a881ce 2018-11-17 stsp if ((*tag)->tag == NULL) {
1904 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1907 f4a881ce 2018-11-17 stsp memcpy((*tag)->tag, imsg.data + len,
1908 f4a881ce 2018-11-17 stsp itag->tag_len);
1909 f4a881ce 2018-11-17 stsp (*tag)->tag[itag->tag_len] = '\0';
1911 f4a881ce 2018-11-17 stsp len += itag->tag_len;
1913 f4a881ce 2018-11-17 stsp (*tag)->obj_type = itag->obj_type;
1914 f4a881ce 2018-11-17 stsp (*tag)->tagger_time = itag->tagger_time;
1915 f4a881ce 2018-11-17 stsp (*tag)->tagger_gmtoff = itag->tagger_gmtoff;
1917 f4a881ce 2018-11-17 stsp if (itag->tagger_len == 0) {
1918 f4a881ce 2018-11-17 stsp (*tag)->tagger = strdup("");
1919 f4a881ce 2018-11-17 stsp if ((*tag)->tagger == NULL) {
1920 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1924 f4a881ce 2018-11-17 stsp (*tag)->tagger = malloc(itag->tagger_len + 1);
1925 f4a881ce 2018-11-17 stsp if ((*tag)->tagger == NULL) {
1926 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1929 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagger, imsg.data + len,
1930 f4a881ce 2018-11-17 stsp itag->tagger_len);
1931 f4a881ce 2018-11-17 stsp (*tag)->tagger[itag->tagger_len] = '\0';
1933 f4a881ce 2018-11-17 stsp len += itag->tagger_len;
1935 f4a881ce 2018-11-17 stsp if (itag->tagmsg_len == 0) {
1936 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = strdup("");
1937 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1938 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1942 f4a881ce 2018-11-17 stsp size_t offset = 0, remain = itag->tagmsg_len;
1944 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = malloc(itag->tagmsg_len + 1);
1945 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1946 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1949 f4a881ce 2018-11-17 stsp while (remain > 0) {
1950 f4a881ce 2018-11-17 stsp struct imsg imsg_log;
1951 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1954 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1956 f4a881ce 2018-11-17 stsp return err;
1958 f4a881ce 2018-11-17 stsp if (imsg_log.hdr.type != GOT_IMSG_TAG_TAGMSG)
1959 f4a881ce 2018-11-17 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
1961 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagmsg + offset, imsg_log.data,
1963 f4a881ce 2018-11-17 stsp imsg_free(&imsg_log);
1964 f4a881ce 2018-11-17 stsp offset += n;
1965 f4a881ce 2018-11-17 stsp remain -= n;
1967 f4a881ce 2018-11-17 stsp (*tag)->tagmsg[itag->tagmsg_len] = '\0';
1972 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1976 ff6b18f8 2018-04-24 stsp imsg_free(&imsg);
1978 2178c42e 2018-04-22 stsp return err;
1981 876c234b 2018-09-10 stsp const struct got_error *
1982 876c234b 2018-09-10 stsp got_privsep_init_pack_child(struct imsgbuf *ibuf, struct got_pack *pack,
1983 876c234b 2018-09-10 stsp struct got_packidx *packidx)
1985 41496140 2019-02-21 stsp const struct got_error *err = NULL;
1986 876c234b 2018-09-10 stsp struct got_imsg_packidx ipackidx;
1987 876c234b 2018-09-10 stsp struct got_imsg_pack ipack;
1990 876c234b 2018-09-10 stsp ipackidx.len = packidx->len;
1991 c3564dfa 2021-07-15 stsp ipackidx.packfile_size = pack->filesize;
1992 876c234b 2018-09-10 stsp fd = dup(packidx->fd);
1993 876c234b 2018-09-10 stsp if (fd == -1)
1994 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1996 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKIDX, 0, 0, fd, &ipackidx,
1997 41496140 2019-02-21 stsp sizeof(ipackidx)) == -1) {
1998 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACKIDX");
1999 41496140 2019-02-21 stsp close(fd);
2000 41496140 2019-02-21 stsp return err;
2003 876c234b 2018-09-10 stsp if (strlcpy(ipack.path_packfile, pack->path_packfile,
2004 876c234b 2018-09-10 stsp sizeof(ipack.path_packfile)) >= sizeof(ipack.path_packfile))
2005 876c234b 2018-09-10 stsp return got_error(GOT_ERR_NO_SPACE);
2006 876c234b 2018-09-10 stsp ipack.filesize = pack->filesize;
2008 876c234b 2018-09-10 stsp fd = dup(pack->fd);
2009 876c234b 2018-09-10 stsp if (fd == -1)
2010 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
2012 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACK, 0, 0, fd, &ipack, sizeof(ipack))
2014 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACK");
2015 41496140 2019-02-21 stsp close(fd);
2016 41496140 2019-02-21 stsp return err;
2019 876c234b 2018-09-10 stsp return flush_imsg(ibuf);
2022 876c234b 2018-09-10 stsp const struct got_error *
2023 106807b4 2018-09-15 stsp got_privsep_send_packed_obj_req(struct imsgbuf *ibuf, int idx,
2024 106807b4 2018-09-15 stsp struct got_object_id *id)
2026 876c234b 2018-09-10 stsp struct got_imsg_packed_object iobj;
2028 876c234b 2018-09-10 stsp iobj.idx = idx;
2029 106807b4 2018-09-15 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
2031 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_OBJECT_REQUEST, 0, 0, -1,
2032 876c234b 2018-09-10 stsp &iobj, sizeof(iobj)) == -1)
2033 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose "
2034 230a42bd 2019-05-11 jcs "PACKED_OBJECT_REQUEST");
2036 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2039 aba9c984 2019-09-08 stsp const struct got_error *
2040 59d1e4a0 2021-03-10 stsp got_privsep_send_packed_raw_obj_req(struct imsgbuf *ibuf, int idx,
2041 59d1e4a0 2021-03-10 stsp struct got_object_id *id)
2043 59d1e4a0 2021-03-10 stsp struct got_imsg_packed_object iobj;
2045 59d1e4a0 2021-03-10 stsp iobj.idx = idx;
2046 59d1e4a0 2021-03-10 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
2048 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_RAW_OBJECT_REQUEST, 0, 0, -1,
2049 59d1e4a0 2021-03-10 stsp &iobj, sizeof(iobj)) == -1)
2050 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose "
2051 59d1e4a0 2021-03-10 stsp "PACKED_OBJECT_REQUEST");
2053 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
2056 59d1e4a0 2021-03-10 stsp const struct got_error *
2057 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_parse_req(struct imsgbuf *ibuf, int fd)
2059 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2061 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_PARSE_REQUEST, 0, 0, fd,
2062 aba9c984 2019-09-08 stsp NULL, 0) == -1) {
2063 aba9c984 2019-09-08 stsp err = got_error_from_errno("imsg_compose "
2064 aba9c984 2019-09-08 stsp "GITCONFIG_PARSE_REQUEST");
2065 aba9c984 2019-09-08 stsp close(fd);
2066 aba9c984 2019-09-08 stsp return err;
2069 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2072 aba9c984 2019-09-08 stsp const struct got_error *
2073 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_repository_format_version_req(struct imsgbuf *ibuf)
2075 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2076 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST, 0, 0, -1,
2077 aba9c984 2019-09-08 stsp NULL, 0) == -1)
2078 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2079 aba9c984 2019-09-08 stsp "GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST");
2081 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2084 aba9c984 2019-09-08 stsp const struct got_error *
2085 20b7abb3 2020-10-22 stsp got_privsep_send_gitconfig_repository_extensions_req(struct imsgbuf *ibuf)
2087 20b7abb3 2020-10-22 stsp if (imsg_compose(ibuf,
2088 20b7abb3 2020-10-22 stsp GOT_IMSG_GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST, 0, 0, -1,
2089 20b7abb3 2020-10-22 stsp NULL, 0) == -1)
2090 20b7abb3 2020-10-22 stsp return got_error_from_errno("imsg_compose "
2091 20b7abb3 2020-10-22 stsp "GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST");
2093 20b7abb3 2020-10-22 stsp return flush_imsg(ibuf);
2097 20b7abb3 2020-10-22 stsp const struct got_error *
2098 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_name_req(struct imsgbuf *ibuf)
2100 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2101 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_NAME_REQUEST, 0, 0, -1, NULL, 0) == -1)
2102 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2103 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_NAME_REQUEST");
2105 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2108 aba9c984 2019-09-08 stsp const struct got_error *
2109 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_email_req(struct imsgbuf *ibuf)
2111 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2112 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_EMAIL_REQUEST, 0, 0, -1, NULL, 0) == -1)
2113 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2114 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_EMAIL_REQUEST");
2116 cd95becd 2019-11-29 stsp return flush_imsg(ibuf);
2119 cd95becd 2019-11-29 stsp const struct got_error *
2120 cd95becd 2019-11-29 stsp got_privsep_send_gitconfig_remotes_req(struct imsgbuf *ibuf)
2122 cd95becd 2019-11-29 stsp if (imsg_compose(ibuf,
2123 cd95becd 2019-11-29 stsp GOT_IMSG_GITCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2124 cd95becd 2019-11-29 stsp return got_error_from_errno("imsg_compose "
2125 cd95becd 2019-11-29 stsp "GITCONFIG_REMOTE_REQUEST");
2127 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2130 aba9c984 2019-09-08 stsp const struct got_error *
2131 9a1cc63f 2020-02-03 stsp got_privsep_send_gitconfig_owner_req(struct imsgbuf *ibuf)
2133 9a1cc63f 2020-02-03 stsp if (imsg_compose(ibuf,
2134 9a1cc63f 2020-02-03 stsp GOT_IMSG_GITCONFIG_OWNER_REQUEST, 0, 0, -1, NULL, 0) == -1)
2135 9a1cc63f 2020-02-03 stsp return got_error_from_errno("imsg_compose "
2136 9a1cc63f 2020-02-03 stsp "GITCONFIG_OWNER_REQUEST");
2138 9a1cc63f 2020-02-03 stsp return flush_imsg(ibuf);
2141 9a1cc63f 2020-02-03 stsp const struct got_error *
2142 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_str(char **str, struct imsgbuf *ibuf)
2144 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2145 aba9c984 2019-09-08 stsp struct imsg imsg;
2146 aba9c984 2019-09-08 stsp size_t datalen;
2147 aba9c984 2019-09-08 stsp const size_t min_datalen = 0;
2149 aba9c984 2019-09-08 stsp *str = NULL;
2151 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2153 aba9c984 2019-09-08 stsp return err;
2154 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2156 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2157 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_STR_VAL:
2158 aba9c984 2019-09-08 stsp if (datalen == 0)
2160 6c13dcd2 2020-09-18 stsp /* datalen does not include terminating \0 */
2161 6c13dcd2 2020-09-18 stsp *str = malloc(datalen + 1);
2162 aba9c984 2019-09-08 stsp if (*str == NULL) {
2163 aba9c984 2019-09-08 stsp err = got_error_from_errno("malloc");
2166 6c13dcd2 2020-09-18 stsp memcpy(*str, imsg.data, datalen);
2167 6c13dcd2 2020-09-18 stsp (*str)[datalen] = '\0';
2170 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2174 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2175 aba9c984 2019-09-08 stsp return err;
2178 aba9c984 2019-09-08 stsp const struct got_error *
2179 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_int(int *val, struct imsgbuf *ibuf)
2181 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2182 aba9c984 2019-09-08 stsp struct imsg imsg;
2183 aba9c984 2019-09-08 stsp size_t datalen;
2184 aba9c984 2019-09-08 stsp const size_t min_datalen =
2185 aba9c984 2019-09-08 stsp MIN(sizeof(struct got_imsg_error), sizeof(int));
2189 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2191 aba9c984 2019-09-08 stsp return err;
2192 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2194 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2195 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_INT_VAL:
2196 aba9c984 2019-09-08 stsp if (datalen != sizeof(*val)) {
2197 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2200 aba9c984 2019-09-08 stsp memcpy(val, imsg.data, sizeof(*val));
2203 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2207 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2208 cd95becd 2019-11-29 stsp return err;
2211 b8adfa55 2020-09-25 stsp static void
2212 b8adfa55 2020-09-25 stsp free_remote_data(struct got_remote_repo *remote)
2216 b8adfa55 2020-09-25 stsp free(remote->name);
2217 6480c871 2021-08-30 stsp free(remote->fetch_url);
2218 6480c871 2021-08-30 stsp free(remote->send_url);
2219 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_branches; i++)
2220 6480c871 2021-08-30 stsp free(remote->fetch_branches[i]);
2221 6480c871 2021-08-30 stsp free(remote->fetch_branches);
2222 6480c871 2021-08-30 stsp for (i = 0; i < remote->nsend_branches; i++)
2223 6480c871 2021-08-30 stsp free(remote->send_branches[i]);
2224 6480c871 2021-08-30 stsp free(remote->send_branches);
2225 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_refs; i++)
2226 6480c871 2021-08-30 stsp free(remote->fetch_refs[i]);
2227 6480c871 2021-08-30 stsp free(remote->fetch_refs);
2230 cd95becd 2019-11-29 stsp const struct got_error *
2231 cd95becd 2019-11-29 stsp got_privsep_recv_gitconfig_remotes(struct got_remote_repo **remotes,
2232 cd95becd 2019-11-29 stsp int *nremotes, struct imsgbuf *ibuf)
2234 cd95becd 2019-11-29 stsp const struct got_error *err = NULL;
2235 cd95becd 2019-11-29 stsp struct imsg imsg;
2236 cd95becd 2019-11-29 stsp size_t datalen;
2237 cd95becd 2019-11-29 stsp struct got_imsg_remotes iremotes;
2238 cd95becd 2019-11-29 stsp struct got_imsg_remote iremote;
2240 cd95becd 2019-11-29 stsp *remotes = NULL;
2241 cd95becd 2019-11-29 stsp *nremotes = 0;
2242 d669b9c9 2020-02-22 stsp iremotes.nremotes = 0;
2244 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremotes));
2246 cd95becd 2019-11-29 stsp return err;
2247 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2249 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2250 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTES:
2251 cd95becd 2019-11-29 stsp if (datalen != sizeof(iremotes)) {
2252 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2255 cd95becd 2019-11-29 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2256 cd95becd 2019-11-29 stsp if (iremotes.nremotes == 0) {
2257 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2258 cd95becd 2019-11-29 stsp return NULL;
2262 54b1c5b5 2020-02-22 stsp imsg_free(&imsg);
2263 54b1c5b5 2020-02-22 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2266 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2268 5146eb39 2020-03-20 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2269 cd95becd 2019-11-29 stsp if (*remotes == NULL)
2270 cd95becd 2019-11-29 stsp return got_error_from_errno("recallocarray");
2272 cd95becd 2019-11-29 stsp while (*nremotes < iremotes.nremotes) {
2273 cd95becd 2019-11-29 stsp struct got_remote_repo *remote;
2275 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremote));
2278 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2280 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2281 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTE:
2282 cd95becd 2019-11-29 stsp remote = &(*remotes)[*nremotes];
2283 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2284 cd95becd 2019-11-29 stsp if (datalen < sizeof(iremote)) {
2285 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2288 cd95becd 2019-11-29 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2289 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2290 6480c871 2021-08-30 stsp iremote.fetch_url_len == 0 ||
2291 6480c871 2021-08-30 stsp iremote.send_url_len == 0 ||
2292 cd95becd 2019-11-29 stsp (sizeof(iremote) + iremote.name_len +
2293 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) > datalen) {
2294 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2297 cd95becd 2019-11-29 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2298 cd95becd 2019-11-29 stsp iremote.name_len);
2299 cd95becd 2019-11-29 stsp if (remote->name == NULL) {
2300 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2303 6480c871 2021-08-30 stsp remote->fetch_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 if (remote->fetch_url == NULL) {
2306 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2307 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2310 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data + sizeof(iremote) +
2311 6480c871 2021-08-30 stsp iremote.name_len + iremote.fetch_url_len,
2312 6480c871 2021-08-30 stsp iremote.send_url_len);
2313 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2314 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2315 6480c871 2021-08-30 stsp free_remote_data(remote);
2318 469dd726 2020-03-20 stsp remote->mirror_references = iremote.mirror_references;
2319 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2320 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2321 6480c871 2021-08-30 stsp remote->fetch_branches = NULL;
2322 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2323 6480c871 2021-08-30 stsp remote->send_branches = NULL;
2324 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2325 6480c871 2021-08-30 stsp remote->fetch_refs = NULL;
2326 cd95becd 2019-11-29 stsp (*nremotes)++;
2329 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2333 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2338 cd95becd 2019-11-29 stsp if (err) {
2340 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2341 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2342 cd95becd 2019-11-29 stsp free(*remotes);
2343 cd95becd 2019-11-29 stsp *remotes = NULL;
2344 cd95becd 2019-11-29 stsp *nremotes = 0;
2346 aba9c984 2019-09-08 stsp return err;
2349 257add31 2020-09-09 stsp const struct got_error *
2350 257add31 2020-09-09 stsp got_privsep_send_gotconfig_parse_req(struct imsgbuf *ibuf, int fd)
2352 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2354 257add31 2020-09-09 stsp if (imsg_compose(ibuf, GOT_IMSG_GOTCONFIG_PARSE_REQUEST, 0, 0, fd,
2355 257add31 2020-09-09 stsp NULL, 0) == -1) {
2356 257add31 2020-09-09 stsp err = got_error_from_errno("imsg_compose "
2357 257add31 2020-09-09 stsp "GOTCONFIG_PARSE_REQUEST");
2358 257add31 2020-09-09 stsp close(fd);
2359 257add31 2020-09-09 stsp return err;
2362 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2365 257add31 2020-09-09 stsp const struct got_error *
2366 257add31 2020-09-09 stsp got_privsep_send_gotconfig_author_req(struct imsgbuf *ibuf)
2368 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2369 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_AUTHOR_REQUEST, 0, 0, -1, NULL, 0) == -1)
2370 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2371 257add31 2020-09-09 stsp "GOTCONFIG_AUTHOR_REQUEST");
2373 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2376 ca6e02ac 2020-01-07 stsp const struct got_error *
2377 257add31 2020-09-09 stsp got_privsep_send_gotconfig_remotes_req(struct imsgbuf *ibuf)
2379 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2380 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2381 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2382 257add31 2020-09-09 stsp "GOTCONFIG_REMOTE_REQUEST");
2384 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2387 257add31 2020-09-09 stsp const struct got_error *
2388 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_str(char **str, struct imsgbuf *ibuf)
2390 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2391 257add31 2020-09-09 stsp struct imsg imsg;
2392 257add31 2020-09-09 stsp size_t datalen;
2393 257add31 2020-09-09 stsp const size_t min_datalen = 0;
2395 257add31 2020-09-09 stsp *str = NULL;
2397 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2399 257add31 2020-09-09 stsp return err;
2400 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2402 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2403 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2404 257add31 2020-09-09 stsp if (datalen < sizeof(struct got_imsg_error)) {
2405 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2408 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2410 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_STR_VAL:
2411 257add31 2020-09-09 stsp if (datalen == 0)
2413 5874ea87 2020-09-18 stsp /* datalen does not include terminating \0 */
2414 5874ea87 2020-09-18 stsp *str = malloc(datalen + 1);
2415 257add31 2020-09-09 stsp if (*str == NULL) {
2416 257add31 2020-09-09 stsp err = got_error_from_errno("malloc");
2419 5874ea87 2020-09-18 stsp memcpy(*str, imsg.data, datalen);
2420 5874ea87 2020-09-18 stsp (*str)[datalen] = '\0';
2423 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2427 257add31 2020-09-09 stsp imsg_free(&imsg);
2428 257add31 2020-09-09 stsp return err;
2431 257add31 2020-09-09 stsp const struct got_error *
2432 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_remotes(struct got_remote_repo **remotes,
2433 257add31 2020-09-09 stsp int *nremotes, struct imsgbuf *ibuf)
2435 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2436 257add31 2020-09-09 stsp struct imsg imsg;
2437 257add31 2020-09-09 stsp size_t datalen;
2438 257add31 2020-09-09 stsp struct got_imsg_remotes iremotes;
2439 257add31 2020-09-09 stsp struct got_imsg_remote iremote;
2440 257add31 2020-09-09 stsp const size_t min_datalen =
2441 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremotes));
2443 257add31 2020-09-09 stsp *remotes = NULL;
2444 257add31 2020-09-09 stsp *nremotes = 0;
2445 257add31 2020-09-09 stsp iremotes.nremotes = 0;
2447 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2449 257add31 2020-09-09 stsp return err;
2450 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2452 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2453 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2454 257add31 2020-09-09 stsp if (datalen < sizeof(struct got_imsg_error)) {
2455 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2458 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2460 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTES:
2461 257add31 2020-09-09 stsp if (datalen != sizeof(iremotes)) {
2462 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2465 257add31 2020-09-09 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2466 257add31 2020-09-09 stsp if (iremotes.nremotes == 0) {
2467 257add31 2020-09-09 stsp imsg_free(&imsg);
2468 257add31 2020-09-09 stsp return NULL;
2472 257add31 2020-09-09 stsp imsg_free(&imsg);
2473 257add31 2020-09-09 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2476 257add31 2020-09-09 stsp imsg_free(&imsg);
2478 257add31 2020-09-09 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2479 257add31 2020-09-09 stsp if (*remotes == NULL)
2480 257add31 2020-09-09 stsp return got_error_from_errno("recallocarray");
2482 257add31 2020-09-09 stsp while (*nremotes < iremotes.nremotes) {
2483 257add31 2020-09-09 stsp struct got_remote_repo *remote;
2484 257add31 2020-09-09 stsp const size_t min_datalen =
2485 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremote));
2488 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2491 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2493 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2494 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2495 257add31 2020-09-09 stsp if (datalen < sizeof(struct got_imsg_error)) {
2496 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2499 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2501 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTE:
2502 257add31 2020-09-09 stsp remote = &(*remotes)[*nremotes];
2503 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2504 257add31 2020-09-09 stsp if (datalen < sizeof(iremote)) {
2505 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2508 257add31 2020-09-09 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2509 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2510 6480c871 2021-08-30 stsp (iremote.fetch_url_len == 0 &&
2511 6480c871 2021-08-30 stsp iremote.send_url_len == 0) ||
2512 257add31 2020-09-09 stsp (sizeof(iremote) + iremote.name_len +
2513 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) >
2514 6480c871 2021-08-30 stsp datalen) {
2515 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2518 257add31 2020-09-09 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2519 257add31 2020-09-09 stsp iremote.name_len);
2520 257add31 2020-09-09 stsp if (remote->name == NULL) {
2521 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2524 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data +
2525 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len,
2526 6480c871 2021-08-30 stsp iremote.fetch_url_len);
2527 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2528 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2529 6480c871 2021-08-30 stsp free_remote_data(remote);
2532 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data +
2533 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len +
2534 6480c871 2021-08-30 stsp iremote.fetch_url_len, iremote.send_url_len);
2535 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2536 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2537 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2540 257add31 2020-09-09 stsp remote->mirror_references = iremote.mirror_references;
2541 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2542 6480c871 2021-08-30 stsp if (iremote.nfetch_branches > 0) {
2543 6480c871 2021-08-30 stsp remote->fetch_branches = recallocarray(NULL, 0,
2544 6480c871 2021-08-30 stsp iremote.nfetch_branches, sizeof(char *));
2545 6480c871 2021-08-30 stsp if (remote->fetch_branches == NULL) {
2546 b8adfa55 2020-09-25 stsp err = got_error_from_errno("calloc");
2547 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2551 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2552 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_branches; i++) {
2553 b8adfa55 2020-09-25 stsp char *branch;
2554 b8adfa55 2020-09-25 stsp err = got_privsep_recv_gotconfig_str(&branch,
2556 b8adfa55 2020-09-25 stsp if (err) {
2557 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2558 b8adfa55 2020-09-25 stsp goto done;
2560 6480c871 2021-08-30 stsp remote->fetch_branches[i] = branch;
2561 6480c871 2021-08-30 stsp remote->nfetch_branches++;
2563 6480c871 2021-08-30 stsp if (iremote.nsend_branches > 0) {
2564 6480c871 2021-08-30 stsp remote->send_branches = recallocarray(NULL, 0,
2565 6480c871 2021-08-30 stsp iremote.nsend_branches, sizeof(char *));
2566 6480c871 2021-08-30 stsp if (remote->send_branches == NULL) {
2567 99495ddb 2021-01-10 stsp err = got_error_from_errno("calloc");
2568 99495ddb 2021-01-10 stsp free_remote_data(remote);
2572 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2573 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nsend_branches; i++) {
2574 6480c871 2021-08-30 stsp char *branch;
2575 6480c871 2021-08-30 stsp err = got_privsep_recv_gotconfig_str(&branch,
2577 6480c871 2021-08-30 stsp if (err) {
2578 6480c871 2021-08-30 stsp free_remote_data(remote);
2579 6480c871 2021-08-30 stsp goto done;
2581 6480c871 2021-08-30 stsp remote->send_branches[i] = branch;
2582 6480c871 2021-08-30 stsp remote->nsend_branches++;
2584 6480c871 2021-08-30 stsp if (iremote.nfetch_refs > 0) {
2585 6480c871 2021-08-30 stsp remote->fetch_refs = recallocarray(NULL, 0,
2586 6480c871 2021-08-30 stsp iremote.nfetch_refs, sizeof(char *));
2587 6480c871 2021-08-30 stsp if (remote->fetch_refs == NULL) {
2588 6480c871 2021-08-30 stsp err = got_error_from_errno("calloc");
2589 6480c871 2021-08-30 stsp free_remote_data(remote);
2593 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2594 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_refs; i++) {
2595 99495ddb 2021-01-10 stsp char *ref;
2596 99495ddb 2021-01-10 stsp err = got_privsep_recv_gotconfig_str(&ref,
2598 99495ddb 2021-01-10 stsp if (err) {
2599 99495ddb 2021-01-10 stsp free_remote_data(remote);
2600 99495ddb 2021-01-10 stsp goto done;
2602 6480c871 2021-08-30 stsp remote->fetch_refs[i] = ref;
2603 6480c871 2021-08-30 stsp remote->nfetch_refs++;
2605 257add31 2020-09-09 stsp (*nremotes)++;
2608 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2612 257add31 2020-09-09 stsp imsg_free(&imsg);
2617 257add31 2020-09-09 stsp if (err) {
2619 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2620 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2621 257add31 2020-09-09 stsp free(*remotes);
2622 257add31 2020-09-09 stsp *remotes = NULL;
2623 257add31 2020-09-09 stsp *nremotes = 0;
2625 257add31 2020-09-09 stsp return err;
2628 257add31 2020-09-09 stsp const struct got_error *
2629 ca6e02ac 2020-01-07 stsp got_privsep_send_commit_traversal_request(struct imsgbuf *ibuf,
2630 abc59930 2021-09-05 naddy struct got_object_id *id, int idx, const char *path)
2632 ca6e02ac 2020-01-07 stsp struct ibuf *wbuf;
2633 ca6e02ac 2020-01-07 stsp size_t path_len = strlen(path) + 1;
2635 ca6e02ac 2020-01-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_COMMIT_TRAVERSAL_REQUEST, 0, 0,
2636 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_traversal_request) + path_len);
2637 ca6e02ac 2020-01-07 stsp if (wbuf == NULL)
2638 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
2639 ca6e02ac 2020-01-07 stsp "imsg_create COMMIT_TRAVERSAL_REQUEST");
2640 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1)
2641 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add "
2642 e9f1a409 2022-05-19 thomas "COMMIT_TRAVERSAL_REQUEST");
2643 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &idx, sizeof(idx)) == -1)
2644 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add "
2645 e9f1a409 2022-05-19 thomas "COMMIT_TRAVERSAL_REQUEST");
2646 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, path, path_len) == -1)
2647 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add "
2648 e9f1a409 2022-05-19 thomas "COMMIT_TRAVERSAL_REQUEST");
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 ec242592 2022-04-22 thomas 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 ec242592 2022-04-22 thomas 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 f9c2e8e5 2022-02-13 thomas const struct got_error *
2733 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta_req(struct imsgbuf *ibuf, int idx,
2734 f9c2e8e5 2022-02-13 thomas struct got_object_id *id)
2736 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta_request dreq;
2738 f9c2e8e5 2022-02-13 thomas dreq.idx = idx;
2739 f9c2e8e5 2022-02-13 thomas memcpy(dreq.id, id->sha1, SHA1_DIGEST_LENGTH);
2741 f9c2e8e5 2022-02-13 thomas if (imsg_compose(ibuf, GOT_IMSG_RAW_DELTA_REQUEST, 0, 0, -1,
2742 f9c2e8e5 2022-02-13 thomas &dreq, sizeof(dreq)) == -1)
2743 f9c2e8e5 2022-02-13 thomas return got_error_from_errno("imsg_compose RAW_DELTA_REQUEST");
2745 f9c2e8e5 2022-02-13 thomas return flush_imsg(ibuf);
2748 f9c2e8e5 2022-02-13 thomas const struct got_error *
2749 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta_outfd(struct imsgbuf *ibuf, int fd)
2751 f9c2e8e5 2022-02-13 thomas return send_fd(ibuf, GOT_IMSG_RAW_DELTA_OUTFD, fd);
2754 f9c2e8e5 2022-02-13 thomas const struct got_error *
2755 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta(struct imsgbuf *ibuf, uint64_t base_size,
2756 9249e7e3 2022-05-12 thomas uint64_t result_size, off_t delta_size, off_t delta_compressed_size,
2757 9249e7e3 2022-05-12 thomas off_t delta_offset, off_t delta_out_offset, struct got_object_id *base_id)
2759 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta idelta;
2760 f9c2e8e5 2022-02-13 thomas int ret;
2762 f9c2e8e5 2022-02-13 thomas idelta.base_size = base_size;
2763 f9c2e8e5 2022-02-13 thomas idelta.result_size = result_size;
2764 f9c2e8e5 2022-02-13 thomas idelta.delta_size = delta_size;
2765 9249e7e3 2022-05-12 thomas idelta.delta_compressed_size = delta_compressed_size;
2766 f9c2e8e5 2022-02-13 thomas idelta.delta_offset = delta_offset;
2767 f9c2e8e5 2022-02-13 thomas idelta.delta_out_offset = delta_out_offset;
2768 f9c2e8e5 2022-02-13 thomas memcpy(idelta.base_id, base_id->sha1, SHA1_DIGEST_LENGTH);
2770 f9c2e8e5 2022-02-13 thomas ret = imsg_compose(ibuf, GOT_IMSG_RAW_DELTA, 0, 0, -1,
2771 f9c2e8e5 2022-02-13 thomas &idelta, sizeof(idelta));
2772 f9c2e8e5 2022-02-13 thomas if (ret == -1)
2773 f9c2e8e5 2022-02-13 thomas return got_error_from_errno("imsg_compose RAW_DELTA");
2775 f9c2e8e5 2022-02-13 thomas return flush_imsg(ibuf);
2778 ca6e02ac 2020-01-07 stsp const struct got_error *
2779 f9c2e8e5 2022-02-13 thomas got_privsep_recv_raw_delta(uint64_t *base_size, uint64_t *result_size,
2780 9249e7e3 2022-05-12 thomas off_t *delta_size, off_t *delta_compressed_size, off_t *delta_offset,
2781 9249e7e3 2022-05-12 thomas off_t *delta_out_offset, struct got_object_id **base_id, struct imsgbuf *ibuf)
2783 f9c2e8e5 2022-02-13 thomas const struct got_error *err = NULL;
2784 f9c2e8e5 2022-02-13 thomas struct imsg imsg;
2785 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta *delta;
2786 f9c2e8e5 2022-02-13 thomas size_t datalen;
2788 f9c2e8e5 2022-02-13 thomas *base_size = 0;
2789 f9c2e8e5 2022-02-13 thomas *result_size = 0;
2790 f9c2e8e5 2022-02-13 thomas *delta_size = 0;
2791 9249e7e3 2022-05-12 thomas *delta_compressed_size = 0;
2792 f9c2e8e5 2022-02-13 thomas *delta_offset = 0;
2793 f9c2e8e5 2022-02-13 thomas *delta_out_offset = 0;
2794 f9c2e8e5 2022-02-13 thomas *base_id = NULL;
2796 f9c2e8e5 2022-02-13 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2797 f9c2e8e5 2022-02-13 thomas if (err)
2798 f9c2e8e5 2022-02-13 thomas return err;
2800 f9c2e8e5 2022-02-13 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2802 f9c2e8e5 2022-02-13 thomas switch (imsg.hdr.type) {
2803 f9c2e8e5 2022-02-13 thomas case GOT_IMSG_RAW_DELTA:
2804 f9c2e8e5 2022-02-13 thomas if (datalen != sizeof(*delta)) {
2805 f9c2e8e5 2022-02-13 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2808 f9c2e8e5 2022-02-13 thomas delta = imsg.data;
2809 f9c2e8e5 2022-02-13 thomas *base_size = delta->base_size;
2810 f9c2e8e5 2022-02-13 thomas *result_size = delta->result_size;
2811 f9c2e8e5 2022-02-13 thomas *delta_size = delta->delta_size;
2812 9249e7e3 2022-05-12 thomas *delta_compressed_size = delta->delta_compressed_size;
2813 f9c2e8e5 2022-02-13 thomas *delta_offset = delta->delta_offset;
2814 f9c2e8e5 2022-02-13 thomas *delta_out_offset = delta->delta_out_offset;
2815 f9c2e8e5 2022-02-13 thomas *base_id = calloc(1, sizeof(**base_id));
2816 f9c2e8e5 2022-02-13 thomas if (*base_id == NULL) {
2817 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("malloc");
2820 f9c2e8e5 2022-02-13 thomas memcpy((*base_id)->sha1, delta->base_id, SHA1_DIGEST_LENGTH);
2822 f9c2e8e5 2022-02-13 thomas default:
2823 f9c2e8e5 2022-02-13 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2827 f9c2e8e5 2022-02-13 thomas imsg_free(&imsg);
2829 f9c2e8e5 2022-02-13 thomas if (err) {
2830 f9c2e8e5 2022-02-13 thomas free(*base_id);
2831 f9c2e8e5 2022-02-13 thomas *base_id = NULL;
2833 7d0d4920 2022-05-12 thomas return err;
2836 7d0d4920 2022-05-12 thomas const struct got_error *
2837 7d0d4920 2022-05-12 thomas got_privsep_send_object_idlist(struct imsgbuf *ibuf,
2838 7d0d4920 2022-05-12 thomas struct got_object_id **ids, size_t nids)
2840 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
2841 7d0d4920 2022-05-12 thomas struct got_imsg_object_idlist idlist;
2842 7d0d4920 2022-05-12 thomas struct ibuf *wbuf;
2843 7d0d4920 2022-05-12 thomas size_t i;
2845 7d0d4920 2022-05-12 thomas if (nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS)
2846 7d0d4920 2022-05-12 thomas return got_error(GOT_ERR_NO_SPACE);
2848 7d0d4920 2022-05-12 thomas wbuf = imsg_create(ibuf, GOT_IMSG_OBJ_ID_LIST, 0, 0,
2849 7d0d4920 2022-05-12 thomas sizeof(idlist) + nids * sizeof(**ids));
2850 7d0d4920 2022-05-12 thomas if (wbuf == NULL) {
2851 7d0d4920 2022-05-12 thomas err = got_error_from_errno("imsg_create OBJ_ID_LIST");
2852 7d0d4920 2022-05-12 thomas return err;
2855 7d0d4920 2022-05-12 thomas idlist.nids = nids;
2856 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &idlist, sizeof(idlist)) == -1)
2857 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add OBJ_ID_LIST");
2859 7d0d4920 2022-05-12 thomas for (i = 0; i < nids; i++) {
2860 7d0d4920 2022-05-12 thomas struct got_object_id *id = ids[i];
2861 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, id, sizeof(*id)) == -1)
2862 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add OBJ_ID_LIST");
2865 7d0d4920 2022-05-12 thomas wbuf->fd = -1;
2866 7d0d4920 2022-05-12 thomas imsg_close(ibuf, wbuf);
2868 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
2871 7d0d4920 2022-05-12 thomas const struct got_error *
2872 7d0d4920 2022-05-12 thomas got_privsep_send_object_idlist_done(struct imsgbuf *ibuf)
2874 7d0d4920 2022-05-12 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJ_ID_LIST_DONE, 0, 0, -1, NULL, 0)
2876 7d0d4920 2022-05-12 thomas return got_error_from_errno("imsg_compose OBJ_ID_LIST_DONE");
2878 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
2881 7d0d4920 2022-05-12 thomas const struct got_error *
2882 7d0d4920 2022-05-12 thomas got_privsep_recv_object_idlist(int *done, struct got_object_id **ids,
2883 7d0d4920 2022-05-12 thomas size_t *nids, struct imsgbuf *ibuf)
2885 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
2886 7d0d4920 2022-05-12 thomas struct imsg imsg;
2887 7d0d4920 2022-05-12 thomas struct got_imsg_object_idlist *idlist;
2888 7d0d4920 2022-05-12 thomas size_t datalen;
2890 7d0d4920 2022-05-12 thomas *ids = NULL;
2891 7d0d4920 2022-05-12 thomas *done = 0;
2892 7d0d4920 2022-05-12 thomas *nids = 0;
2894 7d0d4920 2022-05-12 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2895 7d0d4920 2022-05-12 thomas if (err)
2896 7d0d4920 2022-05-12 thomas return err;
2898 7d0d4920 2022-05-12 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2899 7d0d4920 2022-05-12 thomas switch (imsg.hdr.type) {
2900 7d0d4920 2022-05-12 thomas case GOT_IMSG_OBJ_ID_LIST:
2901 7d0d4920 2022-05-12 thomas if (datalen < sizeof(*idlist)) {
2902 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2905 7d0d4920 2022-05-12 thomas idlist = imsg.data;
2906 7d0d4920 2022-05-12 thomas if (idlist->nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS) {
2907 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2910 7d0d4920 2022-05-12 thomas *nids = idlist->nids;
2911 7d0d4920 2022-05-12 thomas *ids = calloc(*nids, sizeof(**ids));
2912 7d0d4920 2022-05-12 thomas if (*ids == NULL) {
2913 7d0d4920 2022-05-12 thomas err = got_error_from_errno("calloc");
2916 7d0d4920 2022-05-12 thomas memcpy(*ids, (uint8_t *)imsg.data + sizeof(idlist),
2917 7d0d4920 2022-05-12 thomas *nids * sizeof(**ids));
2919 7d0d4920 2022-05-12 thomas case GOT_IMSG_OBJ_ID_LIST_DONE:
2920 7d0d4920 2022-05-12 thomas *done = 1;
2922 7d0d4920 2022-05-12 thomas default:
2923 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2927 7d0d4920 2022-05-12 thomas imsg_free(&imsg);
2929 7d0d4920 2022-05-12 thomas return err;
2932 7d0d4920 2022-05-12 thomas const struct got_error *
2933 7d0d4920 2022-05-12 thomas got_privsep_send_delta_reuse_req(struct imsgbuf *ibuf)
2935 7d0d4920 2022-05-12 thomas if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_REQUEST, 0, 0, -1, NULL, 0)
2937 7d0d4920 2022-05-12 thomas return got_error_from_errno("imsg_compose DELTA_REUSE_REQUEST");
2939 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
2942 7d0d4920 2022-05-12 thomas const struct got_error *
2943 7d0d4920 2022-05-12 thomas got_privsep_send_reused_deltas(struct imsgbuf *ibuf,
2944 7d0d4920 2022-05-12 thomas struct got_imsg_reused_delta *deltas, size_t ndeltas)
2946 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
2947 7d0d4920 2022-05-12 thomas struct ibuf *wbuf;
2948 7d0d4920 2022-05-12 thomas struct got_imsg_reused_deltas ideltas;
2949 7d0d4920 2022-05-12 thomas size_t i;
2951 7d0d4920 2022-05-12 thomas if (ndeltas > GOT_IMSG_REUSED_DELTAS_MAX_NDELTAS)
2952 7d0d4920 2022-05-12 thomas return got_error(GOT_ERR_NO_SPACE);
2954 7d0d4920 2022-05-12 thomas wbuf = imsg_create(ibuf, GOT_IMSG_REUSED_DELTAS, 0, 0,
2955 7d0d4920 2022-05-12 thomas sizeof(ideltas) + ndeltas * sizeof(*deltas));
2956 7d0d4920 2022-05-12 thomas if (wbuf == NULL) {
2957 7d0d4920 2022-05-12 thomas err = got_error_from_errno("imsg_create REUSED_DELTAS");
2958 7d0d4920 2022-05-12 thomas return err;
2961 7d0d4920 2022-05-12 thomas ideltas.ndeltas = ndeltas;
2962 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &ideltas, sizeof(ideltas)) == -1)
2963 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add REUSED_DELTAS");
2965 7d0d4920 2022-05-12 thomas for (i = 0; i < ndeltas; i++) {
2966 7d0d4920 2022-05-12 thomas struct got_imsg_reused_delta *delta = &deltas[i];
2967 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, delta, sizeof(*delta)) == -1)
2968 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add REUSED_DELTAS");
2971 7d0d4920 2022-05-12 thomas wbuf->fd = -1;
2972 7d0d4920 2022-05-12 thomas imsg_close(ibuf, wbuf);
2974 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
2977 7d0d4920 2022-05-12 thomas const struct got_error *
2978 7d0d4920 2022-05-12 thomas got_privsep_send_reused_deltas_done(struct imsgbuf *ibuf)
2980 7d0d4920 2022-05-12 thomas if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_DONE, 0, 0, -1, NULL, 0)
2982 7d0d4920 2022-05-12 thomas return got_error_from_errno("imsg_compose DELTA_REUSE_DONE");
2984 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
2987 7d0d4920 2022-05-12 thomas const struct got_error *
2988 7d0d4920 2022-05-12 thomas got_privsep_recv_reused_deltas(int *done, struct got_imsg_reused_delta *deltas,
2989 7d0d4920 2022-05-12 thomas size_t *ndeltas, struct imsgbuf *ibuf)
2991 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
2992 7d0d4920 2022-05-12 thomas struct imsg imsg;
2993 7d0d4920 2022-05-12 thomas struct got_imsg_reused_deltas *ideltas;
2994 7d0d4920 2022-05-12 thomas size_t datalen;
2996 7d0d4920 2022-05-12 thomas *done = 0;
2997 7d0d4920 2022-05-12 thomas *ndeltas = 0;
2999 7d0d4920 2022-05-12 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3000 7d0d4920 2022-05-12 thomas if (err)
3001 7d0d4920 2022-05-12 thomas return err;
3003 7d0d4920 2022-05-12 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3004 7d0d4920 2022-05-12 thomas switch (imsg.hdr.type) {
3005 7d0d4920 2022-05-12 thomas case GOT_IMSG_REUSED_DELTAS:
3006 7d0d4920 2022-05-12 thomas if (datalen < sizeof(*ideltas)) {
3007 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3010 7d0d4920 2022-05-12 thomas ideltas = imsg.data;
3011 7d0d4920 2022-05-12 thomas if (ideltas->ndeltas > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS) {
3012 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3015 7d0d4920 2022-05-12 thomas *ndeltas = ideltas->ndeltas;
3016 7d0d4920 2022-05-12 thomas memcpy(deltas, (uint8_t *)imsg.data + sizeof(ideltas),
3017 7d0d4920 2022-05-12 thomas *ndeltas * sizeof(*deltas));
3019 7d0d4920 2022-05-12 thomas case GOT_IMSG_DELTA_REUSE_DONE:
3020 7d0d4920 2022-05-12 thomas *done = 1;
3022 7d0d4920 2022-05-12 thomas default:
3023 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3027 7d0d4920 2022-05-12 thomas imsg_free(&imsg);
3029 f9c2e8e5 2022-02-13 thomas return err;
3032 f9c2e8e5 2022-02-13 thomas const struct got_error *
3033 63219cd2 2019-01-04 stsp got_privsep_unveil_exec_helpers(void)
3035 c39c25dd 2019-08-09 stsp const char *helpers[] = {
3036 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_PACK,
3037 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_OBJECT,
3038 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_COMMIT,
3039 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TREE,
3040 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_BLOB,
3041 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TAG,
3042 aba9c984 2019-09-08 stsp GOT_PATH_PROG_READ_GITCONFIG,
3043 257add31 2020-09-09 stsp GOT_PATH_PROG_READ_GOTCONFIG,
3044 069bbb86 2022-03-07 thomas GOT_PATH_PROG_READ_PATCH,
3045 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_FETCH_PACK,
3046 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_INDEX_PACK,
3047 f8a36e22 2021-08-26 stsp GOT_PATH_PROG_SEND_PACK,
3051 c39c25dd 2019-08-09 stsp for (i = 0; i < nitems(helpers); i++) {
3052 c39c25dd 2019-08-09 stsp if (unveil(helpers[i], "x") == 0)
3054 c39c25dd 2019-08-09 stsp return got_error_from_errno2("unveil", helpers[i]);
3057 63219cd2 2019-01-04 stsp return NULL;
3061 aba9c984 2019-09-08 stsp got_privsep_exec_child(int imsg_fds[2], const char *path, const char *repo_path)
3063 08578a35 2021-01-22 stsp if (close(imsg_fds[0]) == -1) {
3064 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3068 aba9c984 2019-09-08 stsp if (dup2(imsg_fds[1], GOT_IMSG_FD_CHILD) == -1) {
3069 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3073 ce95518e 2021-12-10 thomas closefrom(GOT_IMSG_FD_CHILD + 1);
3075 aba9c984 2019-09-08 stsp if (execl(path, path, repo_path, (char *)NULL) == -1) {
3076 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s: %s\n", getprogname(), path,
3077 aba9c984 2019-09-08 stsp strerror(errno));
