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 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
300 59d1e4a0 2021-03-10 stsp iobj.hdrlen = hdrlen;
301 59d1e4a0 2021-03-10 stsp iobj.size = size;
303 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX)
304 a8591711 2021-06-18 stsp len += (size_t)size + hdrlen;
306 59d1e4a0 2021-03-10 stsp wbuf = imsg_create(ibuf, GOT_IMSG_RAW_OBJECT, 0, 0, len);
307 59d1e4a0 2021-03-10 stsp if (wbuf == NULL) {
308 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_create RAW_OBJECT");
309 59d1e4a0 2021-03-10 stsp return err;
312 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &iobj, sizeof(iobj)) == -1)
313 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add RAW_OBJECT");
315 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
316 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, data, size + hdrlen) == -1)
317 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add RAW_OBJECT");
320 59d1e4a0 2021-03-10 stsp wbuf->fd = -1;
321 59d1e4a0 2021-03-10 stsp imsg_close(ibuf, wbuf);
323 1785f84a 2018-12-23 stsp return flush_imsg(ibuf);
326 1785f84a 2018-12-23 stsp const struct got_error *
327 59d1e4a0 2021-03-10 stsp got_privsep_recv_raw_obj(uint8_t **outbuf, off_t *size, size_t *hdrlen,
328 59d1e4a0 2021-03-10 stsp struct imsgbuf *ibuf)
330 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
331 59d1e4a0 2021-03-10 stsp struct imsg imsg;
332 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj *iobj;
333 59d1e4a0 2021-03-10 stsp size_t datalen;
335 59d1e4a0 2021-03-10 stsp *outbuf = NULL;
337 59d1e4a0 2021-03-10 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
339 59d1e4a0 2021-03-10 stsp return err;
341 59d1e4a0 2021-03-10 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
343 59d1e4a0 2021-03-10 stsp switch (imsg.hdr.type) {
344 59d1e4a0 2021-03-10 stsp case GOT_IMSG_RAW_OBJECT:
345 59d1e4a0 2021-03-10 stsp if (datalen < sizeof(*iobj)) {
346 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
349 59d1e4a0 2021-03-10 stsp iobj = imsg.data;
350 59d1e4a0 2021-03-10 stsp *size = iobj->size;
351 59d1e4a0 2021-03-10 stsp *hdrlen = iobj->hdrlen;
353 59d1e4a0 2021-03-10 stsp if (datalen == sizeof(*iobj)) {
354 59d1e4a0 2021-03-10 stsp /* Data has been written to file descriptor. */
358 31d32634 2022-06-23 thomas if (*size < 0 ||
359 31d32634 2022-06-23 thomas *size + *hdrlen > GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
360 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
364 a8591711 2021-06-18 stsp *outbuf = malloc(*size + *hdrlen);
365 59d1e4a0 2021-03-10 stsp if (*outbuf == NULL) {
366 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("malloc");
369 a8591711 2021-06-18 stsp memcpy(*outbuf, imsg.data + sizeof(*iobj), *size + *hdrlen);
372 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
376 59d1e4a0 2021-03-10 stsp imsg_free(&imsg);
378 59d1e4a0 2021-03-10 stsp return err;
381 59d1e4a0 2021-03-10 stsp const struct got_error *
382 1785f84a 2018-12-23 stsp got_privsep_send_commit_req(struct imsgbuf *ibuf, int fd,
383 1785f84a 2018-12-23 stsp struct got_object_id *id, int pack_idx)
385 41496140 2019-02-21 stsp const struct got_error *err = NULL;
386 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
387 d5c81d44 2021-07-08 stsp void *data;
388 1785f84a 2018-12-23 stsp size_t len;
390 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
391 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* commit is packed */
392 1785f84a 2018-12-23 stsp iobj.idx = pack_idx;
393 1785f84a 2018-12-23 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
394 d5c81d44 2021-07-08 stsp data = &iobj;
395 1785f84a 2018-12-23 stsp len = sizeof(iobj);
398 d5c81d44 2021-07-08 stsp len = sizeof(*id);
401 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_REQUEST, 0, 0, fd, data, len)
403 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT_REQUEST");
405 41496140 2019-02-21 stsp return err;
408 13c729f7 2018-12-24 stsp return flush_imsg(ibuf);
411 13c729f7 2018-12-24 stsp const struct got_error *
412 13c729f7 2018-12-24 stsp got_privsep_send_tree_req(struct imsgbuf *ibuf, int fd,
413 13c729f7 2018-12-24 stsp struct got_object_id *id, int pack_idx)
415 7f358e3b 2019-11-23 stsp struct ibuf *wbuf;
416 d5c81d44 2021-07-08 stsp size_t len;
418 d5c81d44 2021-07-08 stsp if (pack_idx != -1)
419 d5c81d44 2021-07-08 stsp len = sizeof(struct got_imsg_packed_object);
421 d5c81d44 2021-07-08 stsp len = sizeof(*id);
423 7f358e3b 2019-11-23 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_REQUEST, 0, 0, len);
424 7f358e3b 2019-11-23 stsp if (wbuf == NULL)
425 7f358e3b 2019-11-23 stsp return got_error_from_errno("imsg_create TREE_REQUEST");
427 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1)
428 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_REQUEST");
430 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tree is packed */
431 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &pack_idx, sizeof(pack_idx)) == -1)
432 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_REQUEST");
435 7f358e3b 2019-11-23 stsp wbuf->fd = fd;
436 7f358e3b 2019-11-23 stsp imsg_close(ibuf, wbuf);
438 268f7291 2018-12-24 stsp return flush_imsg(ibuf);
441 268f7291 2018-12-24 stsp const struct got_error *
442 268f7291 2018-12-24 stsp got_privsep_send_tag_req(struct imsgbuf *ibuf, int fd,
443 268f7291 2018-12-24 stsp struct got_object_id *id, int pack_idx)
445 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
446 d5c81d44 2021-07-08 stsp void *data;
447 268f7291 2018-12-24 stsp size_t len;
449 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
450 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tag is packed */
451 268f7291 2018-12-24 stsp iobj.idx = pack_idx;
452 268f7291 2018-12-24 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
453 d5c81d44 2021-07-08 stsp data = &iobj;
454 268f7291 2018-12-24 stsp len = sizeof(iobj);
457 d5c81d44 2021-07-08 stsp len = sizeof(*id);
460 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_REQUEST, 0, 0, fd, data, len)
462 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose TAG_REQUEST");
464 7762fe12 2018-11-05 stsp return flush_imsg(ibuf);
467 7762fe12 2018-11-05 stsp const struct got_error *
468 ebc55e2d 2018-12-24 stsp got_privsep_send_blob_req(struct imsgbuf *ibuf, int infd,
469 ebc55e2d 2018-12-24 stsp struct got_object_id *id, int pack_idx)
471 41496140 2019-02-21 stsp const struct got_error *err = NULL;
472 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
473 d5c81d44 2021-07-08 stsp void *data;
474 ebc55e2d 2018-12-24 stsp size_t len;
476 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
477 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* blob is packed */
478 ebc55e2d 2018-12-24 stsp iobj.idx = pack_idx;
479 ebc55e2d 2018-12-24 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
480 d5c81d44 2021-07-08 stsp data = &iobj;
481 ebc55e2d 2018-12-24 stsp len = sizeof(iobj);
484 d5c81d44 2021-07-08 stsp len = sizeof(*id);
487 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_REQUEST, 0, 0, infd, data, len)
489 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_REQUEST");
490 41496140 2019-02-21 stsp close(infd);
491 41496140 2019-02-21 stsp return err;
494 55da3778 2018-09-10 stsp return flush_imsg(ibuf);
497 55da3778 2018-09-10 stsp const struct got_error *
498 55da3778 2018-09-10 stsp got_privsep_send_blob_outfd(struct imsgbuf *ibuf, int outfd)
500 41496140 2019-02-21 stsp const struct got_error *err = NULL;
502 ad242220 2018-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_OUTFD, 0, 0, outfd, NULL, 0)
504 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_OUTFD");
505 41496140 2019-02-21 stsp close(outfd);
506 41496140 2019-02-21 stsp return err;
509 3840f4c9 2018-09-12 stsp return flush_imsg(ibuf);
512 73ab1060 2020-03-18 stsp static const struct got_error *
513 73ab1060 2020-03-18 stsp send_fd(struct imsgbuf *ibuf, int imsg_code, int fd)
515 41496140 2019-02-21 stsp const struct got_error *err = NULL;
517 73ab1060 2020-03-18 stsp if (imsg_compose(ibuf, imsg_code, 0, 0, fd, NULL, 0) == -1) {
518 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TMPFD");
520 41496140 2019-02-21 stsp return err;
523 ad242220 2018-09-08 stsp return flush_imsg(ibuf);
526 ad242220 2018-09-08 stsp const struct got_error *
527 73ab1060 2020-03-18 stsp got_privsep_send_tmpfd(struct imsgbuf *ibuf, int fd)
529 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_TMPFD, fd);
532 73ab1060 2020-03-18 stsp const struct got_error *
533 876c234b 2018-09-10 stsp got_privsep_send_obj(struct imsgbuf *ibuf, struct got_object *obj)
535 2178c42e 2018-04-22 stsp struct got_imsg_object iobj;
537 1bb2bba2 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
539 c59b3346 2018-09-11 stsp memcpy(iobj.id, obj->id.sha1, sizeof(iobj.id));
540 2178c42e 2018-04-22 stsp iobj.type = obj->type;
541 2178c42e 2018-04-22 stsp iobj.flags = obj->flags;
542 2178c42e 2018-04-22 stsp iobj.hdrlen = obj->hdrlen;
543 2178c42e 2018-04-22 stsp iobj.size = obj->size;
544 c59b3346 2018-09-11 stsp if (iobj.flags & GOT_OBJ_FLAG_PACKED) {
545 876c234b 2018-09-10 stsp iobj.pack_offset = obj->pack_offset;
546 c59b3346 2018-09-11 stsp iobj.pack_idx = obj->pack_idx;
549 2178c42e 2018-04-22 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT, 0, 0, -1, &iobj, sizeof(iobj))
551 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT");
553 c59b3346 2018-09-11 stsp return flush_imsg(ibuf);
556 cfd633c2 2018-09-10 stsp const struct got_error *
557 33501562 2020-03-18 stsp got_privsep_send_fetch_req(struct imsgbuf *ibuf, int fd,
558 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs, int fetch_all_branches,
559 abc59930 2021-09-05 naddy struct got_pathlist_head *wanted_branches,
560 abc59930 2021-09-05 naddy struct got_pathlist_head *wanted_refs, int list_refs_only, int verbosity)
562 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
563 33501562 2020-03-18 stsp struct ibuf *wbuf;
564 4ba14133 2020-03-20 stsp size_t len;
565 33501562 2020-03-18 stsp struct got_pathlist_entry *pe;
566 4ba14133 2020-03-20 stsp struct got_imsg_fetch_request fetchreq;
568 4ba14133 2020-03-20 stsp memset(&fetchreq, 0, sizeof(fetchreq));
569 4ba14133 2020-03-20 stsp fetchreq.fetch_all_branches = fetch_all_branches;
570 41b0de12 2020-03-21 stsp fetchreq.list_refs_only = list_refs_only;
571 2690194b 2020-03-21 stsp fetchreq.verbosity = verbosity;
572 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, have_refs, entry)
573 4ba14133 2020-03-20 stsp fetchreq.n_have_refs++;
574 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry)
575 4ba14133 2020-03-20 stsp fetchreq.n_wanted_branches++;
576 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry)
577 0e4002ca 2020-03-21 stsp fetchreq.n_wanted_refs++;
578 659e7fbd 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_request);
579 33501562 2020-03-18 stsp if (len >= MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
581 33501562 2020-03-18 stsp return got_error(GOT_ERR_NO_SPACE);
584 4ba14133 2020-03-20 stsp if (imsg_compose(ibuf, GOT_IMSG_FETCH_REQUEST, 0, 0, fd,
585 4ba14133 2020-03-20 stsp &fetchreq, sizeof(fetchreq)) == -1)
586 4ba14133 2020-03-20 stsp return got_error_from_errno(
587 4ba14133 2020-03-20 stsp "imsg_compose FETCH_SERVER_PROGRESS");
589 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
592 659e7fbd 2020-03-20 stsp return err;
596 33501562 2020-03-18 stsp TAILQ_FOREACH(pe, have_refs, entry) {
597 33501562 2020-03-18 stsp const char *name = pe->path;
598 33501562 2020-03-18 stsp size_t name_len = pe->path_len;
599 33501562 2020-03-18 stsp struct got_object_id *id = pe->data;
601 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_have_ref) + name_len;
602 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_HAVE_REF, 0, 0, len);
603 4ba14133 2020-03-20 stsp if (wbuf == NULL)
604 4ba14133 2020-03-20 stsp return got_error_from_errno("imsg_create FETCH_HAVE_REF");
606 33501562 2020-03-18 stsp /* Keep in sync with struct got_imsg_fetch_have_ref! */
607 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, id->sha1, sizeof(id->sha1)) == -1)
608 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add FETCH_HAVE_REF");
609 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
610 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add FETCH_HAVE_REF");
611 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
612 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add FETCH_HAVE_REF");
614 4ba14133 2020-03-20 stsp wbuf->fd = -1;
615 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
616 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
618 4ba14133 2020-03-20 stsp return err;
621 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry) {
622 4ba14133 2020-03-20 stsp const char *name = pe->path;
623 4ba14133 2020-03-20 stsp size_t name_len = pe->path_len;
625 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_wanted_branch) + name_len;
626 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_BRANCH, 0, 0,
628 4ba14133 2020-03-20 stsp if (wbuf == NULL)
629 4ba14133 2020-03-20 stsp return got_error_from_errno(
630 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_BRANCH");
632 4ba14133 2020-03-20 stsp /* Keep in sync with struct got_imsg_fetch_wanted_branch! */
633 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
634 e9f1a409 2022-05-19 thomas return got_error_from_errno(
635 4ba14133 2020-03-20 stsp "imsg_add FETCH_WANTED_BRANCH");
636 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
637 e9f1a409 2022-05-19 thomas return got_error_from_errno(
638 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_BRANCH");
640 4ba14133 2020-03-20 stsp wbuf->fd = -1;
641 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
642 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
644 4ba14133 2020-03-20 stsp return err;
647 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry) {
648 0e4002ca 2020-03-21 stsp const char *name = pe->path;
649 0e4002ca 2020-03-21 stsp size_t name_len = pe->path_len;
651 0e4002ca 2020-03-21 stsp len = sizeof(struct got_imsg_fetch_wanted_ref) + name_len;
652 0e4002ca 2020-03-21 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_REF, 0, 0,
654 0e4002ca 2020-03-21 stsp if (wbuf == NULL)
655 0e4002ca 2020-03-21 stsp return got_error_from_errno(
656 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_REF");
658 0e4002ca 2020-03-21 stsp /* Keep in sync with struct got_imsg_fetch_wanted_ref! */
659 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
660 e9f1a409 2022-05-19 thomas return got_error_from_errno(
661 0e4002ca 2020-03-21 stsp "imsg_add FETCH_WANTED_REF");
662 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
663 e9f1a409 2022-05-19 thomas return got_error_from_errno(
664 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_REF");
666 0e4002ca 2020-03-21 stsp wbuf->fd = -1;
667 0e4002ca 2020-03-21 stsp imsg_close(ibuf, wbuf);
668 0e4002ca 2020-03-21 stsp err = flush_imsg(ibuf);
670 0e4002ca 2020-03-21 stsp return err;
674 4ba14133 2020-03-20 stsp return NULL;
678 93658fb9 2020-03-18 stsp const struct got_error *
679 f826addf 2020-03-18 stsp got_privsep_send_fetch_outfd(struct imsgbuf *ibuf, int fd)
681 f826addf 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_FETCH_OUTFD, fd);
684 531c3985 2020-03-18 stsp const struct got_error *
685 8f2d01a6 2020-03-18 stsp got_privsep_recv_fetch_progress(int *done, struct got_object_id **id,
686 531c3985 2020-03-18 stsp char **refname, struct got_pathlist_head *symrefs, char **server_progress,
687 1d72a2a0 2020-03-24 stsp off_t *packfile_size, uint8_t *pack_sha1, struct imsgbuf *ibuf)
689 b9f99abf 2020-03-18 stsp const struct got_error *err = NULL;
690 b9f99abf 2020-03-18 stsp struct imsg imsg;
691 b9f99abf 2020-03-18 stsp size_t datalen;
692 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symrefs *isymrefs = NULL;
693 abe0f35f 2020-03-18 stsp size_t n, remain;
698 8f2d01a6 2020-03-18 stsp *id = NULL;
699 b9f99abf 2020-03-18 stsp *refname = NULL;
700 531c3985 2020-03-18 stsp *server_progress = NULL;
701 5a489642 2020-03-19 stsp *packfile_size = 0;
702 1d72a2a0 2020-03-24 stsp memset(pack_sha1, 0, SHA1_DIGEST_LENGTH);
704 531c3985 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
706 b9f99abf 2020-03-18 stsp return err;
708 b9f99abf 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
709 b9f99abf 2020-03-18 stsp switch (imsg.hdr.type) {
710 b9f99abf 2020-03-18 stsp case GOT_IMSG_ERROR:
711 b9f99abf 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
713 abe0f35f 2020-03-18 stsp case GOT_IMSG_FETCH_SYMREFS:
714 abe0f35f 2020-03-18 stsp if (datalen < sizeof(*isymrefs)) {
715 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
718 abe0f35f 2020-03-18 stsp if (isymrefs != NULL) {
719 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
722 abe0f35f 2020-03-18 stsp isymrefs = (struct got_imsg_fetch_symrefs *)imsg.data;
723 abe0f35f 2020-03-18 stsp off = sizeof(*isymrefs);
724 abe0f35f 2020-03-18 stsp remain = datalen - off;
725 abe0f35f 2020-03-18 stsp for (n = 0; n < isymrefs->nsymrefs; n++) {
726 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symref *s;
727 abe0f35f 2020-03-18 stsp char *name, *target;
728 abe0f35f 2020-03-18 stsp if (remain < sizeof(struct got_imsg_fetch_symref)) {
729 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
732 abe0f35f 2020-03-18 stsp s = (struct got_imsg_fetch_symref *)(imsg.data + off);
733 abe0f35f 2020-03-18 stsp off += sizeof(*s);
734 abe0f35f 2020-03-18 stsp remain -= sizeof(*s);
735 abe0f35f 2020-03-18 stsp if (remain < s->name_len) {
736 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
739 abe0f35f 2020-03-18 stsp name = strndup(imsg.data + off, s->name_len);
740 abe0f35f 2020-03-18 stsp if (name == NULL) {
741 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
744 abe0f35f 2020-03-18 stsp off += s->name_len;
745 abe0f35f 2020-03-18 stsp remain -= s->name_len;
746 abe0f35f 2020-03-18 stsp if (remain < s->target_len) {
747 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
748 abe0f35f 2020-03-18 stsp free(name);
751 abe0f35f 2020-03-18 stsp target = strndup(imsg.data + off, s->target_len);
752 abe0f35f 2020-03-18 stsp if (target == NULL) {
753 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
754 abe0f35f 2020-03-18 stsp free(name);
757 abe0f35f 2020-03-18 stsp off += s->target_len;
758 abe0f35f 2020-03-18 stsp remain -= s->target_len;
759 abe0f35f 2020-03-18 stsp err = got_pathlist_append(symrefs, name, target);
761 abe0f35f 2020-03-18 stsp free(name);
762 abe0f35f 2020-03-18 stsp free(target);
767 ea7396b9 2020-03-18 stsp case GOT_IMSG_FETCH_REF:
768 531c3985 2020-03-18 stsp if (datalen <= SHA1_DIGEST_LENGTH) {
769 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
772 8f2d01a6 2020-03-18 stsp *id = malloc(sizeof(**id));
773 8f2d01a6 2020-03-18 stsp if (*id == NULL) {
774 b9f99abf 2020-03-18 stsp err = got_error_from_errno("malloc");
777 8f2d01a6 2020-03-18 stsp memcpy((*id)->sha1, imsg.data, SHA1_DIGEST_LENGTH);
778 b9f99abf 2020-03-18 stsp *refname = strndup(imsg.data + SHA1_DIGEST_LENGTH,
779 b9f99abf 2020-03-18 stsp datalen - SHA1_DIGEST_LENGTH);
780 b9f99abf 2020-03-18 stsp if (*refname == NULL) {
781 b9f99abf 2020-03-18 stsp err = got_error_from_errno("strndup");
785 531c3985 2020-03-18 stsp case GOT_IMSG_FETCH_SERVER_PROGRESS:
786 531c3985 2020-03-18 stsp if (datalen == 0) {
787 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
790 531c3985 2020-03-18 stsp *server_progress = strndup(imsg.data, datalen);
791 531c3985 2020-03-18 stsp if (*server_progress == NULL) {
792 531c3985 2020-03-18 stsp err = got_error_from_errno("strndup");
795 531c3985 2020-03-18 stsp for (i = 0; i < datalen; i++) {
796 531c3985 2020-03-18 stsp if (!isprint((unsigned char)(*server_progress)[i]) &&
797 531c3985 2020-03-18 stsp !isspace((unsigned char)(*server_progress)[i])) {
798 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
799 531c3985 2020-03-18 stsp free(*server_progress);
800 531c3985 2020-03-18 stsp *server_progress = NULL;
805 d2cdc636 2020-03-18 stsp case GOT_IMSG_FETCH_DOWNLOAD_PROGRESS:
806 d2cdc636 2020-03-18 stsp if (datalen < sizeof(*packfile_size)) {
807 d2cdc636 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
810 d2cdc636 2020-03-18 stsp memcpy(packfile_size, imsg.data, sizeof(*packfile_size));
812 8f2d01a6 2020-03-18 stsp case GOT_IMSG_FETCH_DONE:
813 8f2d01a6 2020-03-18 stsp if (datalen != SHA1_DIGEST_LENGTH) {
814 8f2d01a6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
817 1d72a2a0 2020-03-24 stsp memcpy(pack_sha1, imsg.data, SHA1_DIGEST_LENGTH);
821 b887aab6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
827 8f2d01a6 2020-03-18 stsp *id = NULL;
828 b887aab6 2020-03-18 stsp free(*refname);
829 b887aab6 2020-03-18 stsp *refname = NULL;
831 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
832 f8a36e22 2021-08-26 stsp return err;
835 f8a36e22 2021-08-26 stsp static const struct got_error *
836 f8a36e22 2021-08-26 stsp send_send_ref(const char *name, size_t name_len, struct got_object_id *id,
837 f8a36e22 2021-08-26 stsp int delete, struct imsgbuf *ibuf)
839 f8a36e22 2021-08-26 stsp size_t len;
840 f8a36e22 2021-08-26 stsp struct ibuf *wbuf;
842 f8a36e22 2021-08-26 stsp len = sizeof(struct got_imsg_send_ref) + name_len;
843 f8a36e22 2021-08-26 stsp wbuf = imsg_create(ibuf, GOT_IMSG_SEND_REF, 0, 0, len);
844 f8a36e22 2021-08-26 stsp if (wbuf == NULL)
845 f8a36e22 2021-08-26 stsp return got_error_from_errno("imsg_create SEND_REF");
847 f8a36e22 2021-08-26 stsp /* Keep in sync with struct got_imsg_send_ref! */
848 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, id->sha1, sizeof(id->sha1)) == -1)
849 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
850 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &delete, sizeof(delete)) == -1)
851 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
852 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
853 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
854 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
855 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
857 f8a36e22 2021-08-26 stsp wbuf->fd = -1;
858 f8a36e22 2021-08-26 stsp imsg_close(ibuf, wbuf);
859 f8a36e22 2021-08-26 stsp return flush_imsg(ibuf);
862 f8a36e22 2021-08-26 stsp const struct got_error *
863 f8a36e22 2021-08-26 stsp got_privsep_send_send_req(struct imsgbuf *ibuf, int fd,
864 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs,
865 abc59930 2021-09-05 naddy struct got_pathlist_head *delete_refs,
866 abc59930 2021-09-05 naddy int verbosity)
868 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
869 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *pe;
870 f8a36e22 2021-08-26 stsp struct got_imsg_send_request sendreq;
871 f8a36e22 2021-08-26 stsp struct got_object_id zero_id;
873 f8a36e22 2021-08-26 stsp memset(&zero_id, 0, sizeof(zero_id));
874 f8a36e22 2021-08-26 stsp memset(&sendreq, 0, sizeof(sendreq));
875 f8a36e22 2021-08-26 stsp sendreq.verbosity = verbosity;
876 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry)
877 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
878 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry)
879 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
880 f8a36e22 2021-08-26 stsp if (imsg_compose(ibuf, GOT_IMSG_SEND_REQUEST, 0, 0, fd,
881 f8a36e22 2021-08-26 stsp &sendreq, sizeof(sendreq)) == -1) {
882 f8a36e22 2021-08-26 stsp err = got_error_from_errno(
883 f8a36e22 2021-08-26 stsp "imsg_compose FETCH_SERVER_PROGRESS");
887 f8a36e22 2021-08-26 stsp err = flush_imsg(ibuf);
892 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry) {
893 f8a36e22 2021-08-26 stsp const char *name = pe->path;
894 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
895 f8a36e22 2021-08-26 stsp struct got_object_id *id = pe->data;
896 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, id, 0, ibuf);
901 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry) {
902 f8a36e22 2021-08-26 stsp const char *name = pe->path;
903 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
904 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, &zero_id, 1, ibuf);
909 f8a36e22 2021-08-26 stsp if (fd != -1 && close(fd) == -1 && err == NULL)
910 f8a36e22 2021-08-26 stsp err = got_error_from_errno("close");
911 f8a36e22 2021-08-26 stsp return err;
915 f8a36e22 2021-08-26 stsp const struct got_error *
916 f8a36e22 2021-08-26 stsp got_privsep_recv_send_remote_refs(struct got_pathlist_head *remote_refs,
917 f8a36e22 2021-08-26 stsp struct imsgbuf *ibuf)
919 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
920 f8a36e22 2021-08-26 stsp struct imsg imsg;
921 f8a36e22 2021-08-26 stsp size_t datalen;
922 f8a36e22 2021-08-26 stsp int done = 0;
923 f8a36e22 2021-08-26 stsp struct got_imsg_send_remote_ref iremote_ref;
924 f8a36e22 2021-08-26 stsp struct got_object_id *id = NULL;
925 f8a36e22 2021-08-26 stsp char *refname = NULL;
926 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *new;
928 f8a36e22 2021-08-26 stsp while (!done) {
929 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
931 f8a36e22 2021-08-26 stsp return err;
932 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
933 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
934 f8a36e22 2021-08-26 stsp case GOT_IMSG_ERROR:
935 f8a36e22 2021-08-26 stsp err = recv_imsg_error(&imsg, datalen);
937 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REMOTE_REF:
938 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iremote_ref)) {
939 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
942 f8a36e22 2021-08-26 stsp memcpy(&iremote_ref, imsg.data, sizeof(iremote_ref));
943 f8a36e22 2021-08-26 stsp if (datalen != sizeof(iremote_ref) +
944 f8a36e22 2021-08-26 stsp iremote_ref.name_len) {
945 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
948 f8a36e22 2021-08-26 stsp id = malloc(sizeof(*id));
949 f8a36e22 2021-08-26 stsp if (id == NULL) {
950 f8a36e22 2021-08-26 stsp err = got_error_from_errno("malloc");
953 f8a36e22 2021-08-26 stsp memcpy(id->sha1, iremote_ref.id, SHA1_DIGEST_LENGTH);
954 f8a36e22 2021-08-26 stsp refname = strndup(imsg.data + sizeof(iremote_ref),
955 f8a36e22 2021-08-26 stsp datalen - sizeof(iremote_ref));
956 f8a36e22 2021-08-26 stsp if (refname == NULL) {
957 f8a36e22 2021-08-26 stsp err = got_error_from_errno("strndup");
960 f8a36e22 2021-08-26 stsp err = got_pathlist_insert(&new, remote_refs,
961 f8a36e22 2021-08-26 stsp refname, id);
964 f8a36e22 2021-08-26 stsp if (new == NULL) { /* duplicate which wasn't inserted */
966 f8a36e22 2021-08-26 stsp free(refname);
969 f8a36e22 2021-08-26 stsp refname = NULL;
971 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_PACK_REQUEST:
972 f8a36e22 2021-08-26 stsp if (datalen != 0) {
973 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
976 f8a36e22 2021-08-26 stsp /* got-send-pack is now waiting for a pack file. */
980 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
986 f8a36e22 2021-08-26 stsp free(refname);
987 b9f99abf 2020-03-18 stsp imsg_free(&imsg);
988 b9f99abf 2020-03-18 stsp return err;
991 93658fb9 2020-03-18 stsp const struct got_error *
992 f8a36e22 2021-08-26 stsp got_privsep_send_packfd(struct imsgbuf *ibuf, int fd)
994 f8a36e22 2021-08-26 stsp return send_fd(ibuf, GOT_IMSG_SEND_PACKFD, fd);
997 f8a36e22 2021-08-26 stsp const struct got_error *
998 f8a36e22 2021-08-26 stsp got_privsep_recv_send_progress(int *done, off_t *bytes_sent,
999 f8a36e22 2021-08-26 stsp int *success, char **refname, struct imsgbuf *ibuf)
1001 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
1002 f8a36e22 2021-08-26 stsp struct imsg imsg;
1003 f8a36e22 2021-08-26 stsp size_t datalen;
1004 f8a36e22 2021-08-26 stsp struct got_imsg_send_ref_status iref_status;
1006 f8a36e22 2021-08-26 stsp /* Do not reset the current value of 'bytes_sent', it accumulates. */
1007 f8a36e22 2021-08-26 stsp *done = 0;
1008 f8a36e22 2021-08-26 stsp *success = 0;
1009 f8a36e22 2021-08-26 stsp *refname = NULL;
1011 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1013 f8a36e22 2021-08-26 stsp return err;
1015 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1016 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
1017 f8a36e22 2021-08-26 stsp case GOT_IMSG_ERROR:
1018 f8a36e22 2021-08-26 stsp err = recv_imsg_error(&imsg, datalen);
1020 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_UPLOAD_PROGRESS:
1021 f8a36e22 2021-08-26 stsp if (datalen < sizeof(*bytes_sent)) {
1022 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1025 f8a36e22 2021-08-26 stsp memcpy(bytes_sent, imsg.data, sizeof(*bytes_sent));
1027 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REF_STATUS:
1028 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iref_status)) {
1029 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1032 f8a36e22 2021-08-26 stsp memcpy(&iref_status, imsg.data, sizeof(iref_status));
1033 f8a36e22 2021-08-26 stsp if (datalen != sizeof(iref_status) + iref_status.name_len) {
1034 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1037 f8a36e22 2021-08-26 stsp *success = iref_status.success;
1038 f8a36e22 2021-08-26 stsp *refname = strndup(imsg.data + sizeof(iref_status),
1039 f8a36e22 2021-08-26 stsp iref_status.name_len);
1041 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_DONE:
1042 f8a36e22 2021-08-26 stsp if (datalen != 0) {
1043 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1046 f8a36e22 2021-08-26 stsp *done = 1;
1049 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1053 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
1054 f8a36e22 2021-08-26 stsp return err;
1057 f8a36e22 2021-08-26 stsp const struct got_error *
1058 fd251256 2020-03-24 stsp got_privsep_send_index_pack_req(struct imsgbuf *ibuf, uint8_t *pack_sha1,
1061 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1063 668a20f6 2020-03-18 stsp /* Keep in sync with struct got_imsg_index_pack_request */
1064 93658fb9 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_IDXPACK_REQUEST, 0, 0, fd,
1065 fd251256 2020-03-24 stsp pack_sha1, SHA1_DIGEST_LENGTH) == -1) {
1066 93658fb9 2020-03-18 stsp err = got_error_from_errno("imsg_compose INDEX_REQUEST");
1067 93658fb9 2020-03-18 stsp close(fd);
1068 93658fb9 2020-03-18 stsp return err;
1070 baa9fea0 2020-03-18 stsp return flush_imsg(ibuf);
1073 baa9fea0 2020-03-18 stsp const struct got_error *
1074 73ab1060 2020-03-18 stsp got_privsep_send_index_pack_outfd(struct imsgbuf *ibuf, int fd)
1076 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_IDXPACK_OUTFD, fd);
1079 73ab1060 2020-03-18 stsp const struct got_error *
1080 668a20f6 2020-03-18 stsp got_privsep_recv_index_progress(int *done, int *nobj_total,
1081 668a20f6 2020-03-18 stsp int *nobj_indexed, int *nobj_loose, int *nobj_resolved,
1082 668a20f6 2020-03-18 stsp struct imsgbuf *ibuf)
1084 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1085 93658fb9 2020-03-18 stsp struct imsg imsg;
1086 baa9fea0 2020-03-18 stsp struct got_imsg_index_pack_progress *iprogress;
1087 baa9fea0 2020-03-18 stsp size_t datalen;
1089 baa9fea0 2020-03-18 stsp *done = 0;
1090 668a20f6 2020-03-18 stsp *nobj_total = 0;
1091 668a20f6 2020-03-18 stsp *nobj_indexed = 0;
1092 668a20f6 2020-03-18 stsp *nobj_resolved = 0;
1094 93658fb9 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1096 93658fb9 2020-03-18 stsp return err;
1098 baa9fea0 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1099 baa9fea0 2020-03-18 stsp switch (imsg.hdr.type) {
1100 baa9fea0 2020-03-18 stsp case GOT_IMSG_ERROR:
1101 baa9fea0 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
1103 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_PROGRESS:
1104 baa9fea0 2020-03-18 stsp if (datalen < sizeof(*iprogress)) {
1105 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1108 baa9fea0 2020-03-18 stsp iprogress = (struct got_imsg_index_pack_progress *)imsg.data;
1109 31d32634 2022-06-23 thomas if (iprogress->nobj_total < 0 || iprogress->nobj_indexed < 0 ||
1110 31d32634 2022-06-23 thomas iprogress->nobj_loose < 0 || iprogress->nobj_resolved < 0) {
1111 31d32634 2022-06-23 thomas err = got_error(GOT_ERR_RANGE);
1114 668a20f6 2020-03-18 stsp *nobj_total = iprogress->nobj_total;
1115 668a20f6 2020-03-18 stsp *nobj_indexed = iprogress->nobj_indexed;
1116 668a20f6 2020-03-18 stsp *nobj_loose = iprogress->nobj_loose;
1117 668a20f6 2020-03-18 stsp *nobj_resolved = iprogress->nobj_resolved;
1119 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_DONE:
1120 baa9fea0 2020-03-18 stsp if (datalen != 0) {
1121 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1124 baa9fea0 2020-03-18 stsp *done = 1;
1127 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1131 93658fb9 2020-03-18 stsp imsg_free(&imsg);
1132 baa9fea0 2020-03-18 stsp return err;
1135 93658fb9 2020-03-18 stsp const struct got_error *
1136 cfd633c2 2018-09-10 stsp got_privsep_get_imsg_obj(struct got_object **obj, struct imsg *imsg,
1137 cfd633c2 2018-09-10 stsp struct imsgbuf *ibuf)
1139 291624d8 2018-11-07 stsp struct got_imsg_object *iobj;
1140 cfd633c2 2018-09-10 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1142 291624d8 2018-11-07 stsp if (datalen != sizeof(*iobj))
1143 cfd633c2 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1144 291624d8 2018-11-07 stsp iobj = imsg->data;
1146 31d32634 2022-06-23 thomas if (iobj->pack_offset < 0)
1147 31d32634 2022-06-23 thomas return got_error(GOT_ERR_PACK_OFFSET);
1149 cfd633c2 2018-09-10 stsp *obj = calloc(1, sizeof(**obj));
1150 cfd633c2 2018-09-10 stsp if (*obj == NULL)
1151 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
1153 291624d8 2018-11-07 stsp memcpy((*obj)->id.sha1, iobj->id, SHA1_DIGEST_LENGTH);
1154 291624d8 2018-11-07 stsp (*obj)->type = iobj->type;
1155 291624d8 2018-11-07 stsp (*obj)->flags = iobj->flags;
1156 291624d8 2018-11-07 stsp (*obj)->hdrlen = iobj->hdrlen;
1157 291624d8 2018-11-07 stsp (*obj)->size = iobj->size;
1158 c59b3346 2018-09-11 stsp /* path_packfile is handled by caller */
1159 291624d8 2018-11-07 stsp if (iobj->flags & GOT_OBJ_FLAG_PACKED) {
1160 291624d8 2018-11-07 stsp (*obj)->pack_offset = iobj->pack_offset;
1161 291624d8 2018-11-07 stsp (*obj)->pack_idx = iobj->pack_idx;
1163 772802ae 2022-01-27 thomas STAILQ_INIT(&(*obj)->deltas.entries);
1164 772802ae 2022-01-27 thomas return NULL;
1167 2178c42e 2018-04-22 stsp const struct got_error *
1168 2178c42e 2018-04-22 stsp got_privsep_recv_obj(struct got_object **obj, struct imsgbuf *ibuf)
1170 2178c42e 2018-04-22 stsp const struct got_error *err = NULL;
1171 2178c42e 2018-04-22 stsp struct imsg imsg;
1172 c4eae628 2018-04-23 stsp const size_t min_datalen =
1173 c4eae628 2018-04-23 stsp MIN(sizeof(struct got_imsg_error), sizeof(struct got_imsg_object));
1175 2178c42e 2018-04-22 stsp *obj = NULL;
1177 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1179 2178c42e 2018-04-22 stsp return err;
1181 2178c42e 2018-04-22 stsp switch (imsg.hdr.type) {
1182 2178c42e 2018-04-22 stsp case GOT_IMSG_OBJECT:
1183 cfd633c2 2018-09-10 stsp err = got_privsep_get_imsg_obj(obj, &imsg, ibuf);
1186 bff6ca00 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1190 bff6ca00 2018-04-23 stsp imsg_free(&imsg);
1192 bff6ca00 2018-04-23 stsp return err;
1195 c75f7264 2018-09-11 stsp static const struct got_error *
1196 c75f7264 2018-09-11 stsp send_commit_logmsg(struct imsgbuf *ibuf, struct got_commit_object *commit,
1197 c75f7264 2018-09-11 stsp size_t logmsg_len)
1199 fa4ffeb3 2018-11-04 stsp const struct got_error *err = NULL;
1200 c75f7264 2018-09-11 stsp size_t offset, remain;
1202 c75f7264 2018-09-11 stsp offset = 0;
1203 c75f7264 2018-09-11 stsp remain = logmsg_len;
1204 c75f7264 2018-09-11 stsp while (remain > 0) {
1205 c75f7264 2018-09-11 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1207 c75f7264 2018-09-11 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_LOGMSG, 0, 0, -1,
1208 fa4ffeb3 2018-11-04 stsp commit->logmsg + offset, n) == -1) {
1209 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose "
1210 230a42bd 2019-05-11 jcs "COMMIT_LOGMSG");
1214 fa4ffeb3 2018-11-04 stsp err = flush_imsg(ibuf);
1218 c75f7264 2018-09-11 stsp offset += n;
1219 c75f7264 2018-09-11 stsp remain -= n;
1222 fa4ffeb3 2018-11-04 stsp return err;
1225 bff6ca00 2018-04-23 stsp const struct got_error *
1226 068fd2bf 2018-04-24 stsp got_privsep_send_commit(struct imsgbuf *ibuf, struct got_commit_object *commit)
1228 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1229 b9c33926 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1230 bff6ca00 2018-04-23 stsp uint8_t *buf;
1231 bff6ca00 2018-04-23 stsp size_t len, total;
1232 79f35eb3 2018-06-11 stsp struct got_object_qid *qid;
1233 b9c33926 2018-11-07 stsp size_t author_len = strlen(commit->author);
1234 b9c33926 2018-11-07 stsp size_t committer_len = strlen(commit->committer);
1235 c75f7264 2018-09-11 stsp size_t logmsg_len = strlen(commit->logmsg);
1237 b9c33926 2018-11-07 stsp total = sizeof(*icommit) + author_len + committer_len +
1238 b9c33926 2018-11-07 stsp commit->nparents * SHA1_DIGEST_LENGTH;
1240 bff6ca00 2018-04-23 stsp buf = malloc(total);
1241 bff6ca00 2018-04-23 stsp if (buf == NULL)
1242 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1244 b9c33926 2018-11-07 stsp icommit = (struct got_imsg_commit_object *)buf;
1245 a7403916 2018-12-24 stsp memcpy(icommit->tree_id, commit->tree_id->sha1,
1246 a7403916 2018-12-24 stsp sizeof(icommit->tree_id));
1247 b9c33926 2018-11-07 stsp icommit->author_len = author_len;
1248 b9c33926 2018-11-07 stsp icommit->author_time = commit->author_time;
1249 b9c33926 2018-11-07 stsp icommit->author_gmtoff = commit->author_gmtoff;
1250 b9c33926 2018-11-07 stsp icommit->committer_len = committer_len;
1251 b9c33926 2018-11-07 stsp icommit->committer_time = commit->committer_time;
1252 b9c33926 2018-11-07 stsp icommit->committer_gmtoff = commit->committer_gmtoff;
1253 b9c33926 2018-11-07 stsp icommit->logmsg_len = logmsg_len;
1254 b9c33926 2018-11-07 stsp icommit->nparents = commit->nparents;
1256 b9c33926 2018-11-07 stsp len = sizeof(*icommit);
1257 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->author, author_len);
1258 b9c33926 2018-11-07 stsp len += author_len;
1259 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->committer, committer_len);
1260 b9c33926 2018-11-07 stsp len += committer_len;
1261 dbdddfee 2021-06-23 naddy STAILQ_FOREACH(qid, &commit->parent_ids, entry) {
1262 ec242592 2022-04-22 thomas memcpy(buf + len, &qid->id, SHA1_DIGEST_LENGTH);
1263 86acc566 2018-04-23 stsp len += SHA1_DIGEST_LENGTH;
1266 bff6ca00 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT, 0, 0, -1, buf, len) == -1) {
1267 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT");
1268 bff6ca00 2018-04-23 stsp goto done;
1271 904df868 2018-11-04 stsp if (logmsg_len == 0 ||
1272 904df868 2018-11-04 stsp logmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1273 904df868 2018-11-04 stsp err = flush_imsg(ibuf);
1275 904df868 2018-11-04 stsp goto done;
1277 c75f7264 2018-09-11 stsp err = send_commit_logmsg(ibuf, commit, logmsg_len);
1279 bff6ca00 2018-04-23 stsp free(buf);
1280 bff6ca00 2018-04-23 stsp return err;
1283 ca6e02ac 2020-01-07 stsp static const struct got_error *
1284 ca6e02ac 2020-01-07 stsp get_commit_from_imsg(struct got_commit_object **commit,
1285 ca6e02ac 2020-01-07 stsp struct imsg *imsg, size_t datalen, struct imsgbuf *ibuf)
1287 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1288 291624d8 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1289 ca6e02ac 2020-01-07 stsp size_t len = 0;
1292 ca6e02ac 2020-01-07 stsp if (datalen < sizeof(*icommit))
1293 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1295 ca6e02ac 2020-01-07 stsp icommit = imsg->data;
1296 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommit) + icommit->author_len +
1297 ca6e02ac 2020-01-07 stsp icommit->committer_len +
1298 ca6e02ac 2020-01-07 stsp icommit->nparents * SHA1_DIGEST_LENGTH)
1299 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1301 ca6e02ac 2020-01-07 stsp if (icommit->nparents < 0)
1302 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1304 ca6e02ac 2020-01-07 stsp len += sizeof(*icommit);
1306 ca6e02ac 2020-01-07 stsp *commit = got_object_commit_alloc_partial();
1307 ca6e02ac 2020-01-07 stsp if (*commit == NULL)
1308 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
1309 ca6e02ac 2020-01-07 stsp "got_object_commit_alloc_partial");
1311 ca6e02ac 2020-01-07 stsp memcpy((*commit)->tree_id->sha1, icommit->tree_id,
1312 ca6e02ac 2020-01-07 stsp SHA1_DIGEST_LENGTH);
1313 ca6e02ac 2020-01-07 stsp (*commit)->author_time = icommit->author_time;
1314 ca6e02ac 2020-01-07 stsp (*commit)->author_gmtoff = icommit->author_gmtoff;
1315 ca6e02ac 2020-01-07 stsp (*commit)->committer_time = icommit->committer_time;
1316 ca6e02ac 2020-01-07 stsp (*commit)->committer_gmtoff = icommit->committer_gmtoff;
1318 79b7acf3 2022-06-23 thomas (*commit)->author = strndup(imsg->data + len, icommit->author_len);
1319 79b7acf3 2022-06-23 thomas if ((*commit)->author == NULL) {
1320 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1321 79b7acf3 2022-06-23 thomas goto done;
1323 ca6e02ac 2020-01-07 stsp len += icommit->author_len;
1325 79b7acf3 2022-06-23 thomas (*commit)->committer = strndup(imsg->data + len,
1326 79b7acf3 2022-06-23 thomas icommit->committer_len);
1327 79b7acf3 2022-06-23 thomas if ((*commit)->committer == NULL) {
1328 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1329 79b7acf3 2022-06-23 thomas goto done;
1331 ca6e02ac 2020-01-07 stsp len += icommit->committer_len;
1333 ca6e02ac 2020-01-07 stsp if (icommit->logmsg_len == 0) {
1334 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = strdup("");
1335 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1336 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1337 ca6e02ac 2020-01-07 stsp goto done;
1340 ca6e02ac 2020-01-07 stsp size_t offset = 0, remain = icommit->logmsg_len;
1342 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = malloc(icommit->logmsg_len + 1);
1343 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1344 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1345 ca6e02ac 2020-01-07 stsp goto done;
1347 ca6e02ac 2020-01-07 stsp while (remain > 0) {
1348 ca6e02ac 2020-01-07 stsp struct imsg imsg_log;
1349 ca6e02ac 2020-01-07 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1352 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1354 ca6e02ac 2020-01-07 stsp goto done;
1356 ca6e02ac 2020-01-07 stsp if (imsg_log.hdr.type != GOT_IMSG_COMMIT_LOGMSG) {
1357 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1358 ca6e02ac 2020-01-07 stsp goto done;
1361 ca6e02ac 2020-01-07 stsp memcpy((*commit)->logmsg + offset,
1362 ca6e02ac 2020-01-07 stsp imsg_log.data, n);
1363 ca6e02ac 2020-01-07 stsp imsg_free(&imsg_log);
1364 ca6e02ac 2020-01-07 stsp offset += n;
1365 ca6e02ac 2020-01-07 stsp remain -= n;
1367 ca6e02ac 2020-01-07 stsp (*commit)->logmsg[icommit->logmsg_len] = '\0';
1370 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommit->nparents; i++) {
1371 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
1373 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
1376 ec242592 2022-04-22 thomas memcpy(&qid->id, imsg->data + len +
1377 ec242592 2022-04-22 thomas i * SHA1_DIGEST_LENGTH, sizeof(qid->id));
1378 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(&(*commit)->parent_ids, qid, entry);
1379 ca6e02ac 2020-01-07 stsp (*commit)->nparents++;
1382 ca6e02ac 2020-01-07 stsp if (err) {
1383 ca6e02ac 2020-01-07 stsp got_object_commit_close(*commit);
1384 ca6e02ac 2020-01-07 stsp *commit = NULL;
1386 ca6e02ac 2020-01-07 stsp return err;
1389 ca6e02ac 2020-01-07 stsp const struct got_error *
1390 ca6e02ac 2020-01-07 stsp got_privsep_recv_commit(struct got_commit_object **commit, struct imsgbuf *ibuf)
1392 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
1393 ca6e02ac 2020-01-07 stsp struct imsg imsg;
1394 ca6e02ac 2020-01-07 stsp size_t datalen;
1395 ca6e02ac 2020-01-07 stsp const size_t min_datalen =
1396 ca6e02ac 2020-01-07 stsp MIN(sizeof(struct got_imsg_error),
1397 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_object));
1399 ca6e02ac 2020-01-07 stsp *commit = NULL;
1401 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1403 ca6e02ac 2020-01-07 stsp return err;
1405 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1407 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
1408 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
1409 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(commit, &imsg, datalen, ibuf);
1412 8c580685 2018-04-22 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1416 2178c42e 2018-04-22 stsp imsg_free(&imsg);
1418 e033d803 2018-04-23 stsp return err;
1421 06de99ad 2022-05-19 thomas static const struct got_error *
1422 63915ee5 2022-06-23 thomas send_tree_entries_batch(struct imsgbuf *ibuf,
1423 63915ee5 2022-06-23 thomas struct got_parsed_tree_entry *entries, int idx0, int idxN, size_t len)
1425 06de99ad 2022-05-19 thomas struct ibuf *wbuf;
1426 06de99ad 2022-05-19 thomas struct got_imsg_tree_entries ientries;
1429 c26ee7ad 2022-06-23 thomas memset(&ientries, 0, sizeof(ientries));
1431 06de99ad 2022-05-19 thomas wbuf = imsg_create(ibuf, GOT_IMSG_TREE_ENTRIES, 0, 0, len);
1432 06de99ad 2022-05-19 thomas if (wbuf == NULL)
1433 06de99ad 2022-05-19 thomas return got_error_from_errno("imsg_create TREE_ENTRY");
1435 06de99ad 2022-05-19 thomas ientries.nentries = idxN - idx0 + 1;
1436 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &ientries, sizeof(ientries)) == -1)
1437 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1439 06de99ad 2022-05-19 thomas for (i = idx0; i <= idxN; i++) {
1440 06de99ad 2022-05-19 thomas struct got_parsed_tree_entry *pte = &entries[i];
1442 3022d272 2019-11-14 stsp /* Keep in sync with struct got_imsg_tree_object definition! */
1443 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, pte->id, SHA1_DIGEST_LENGTH) == -1)
1444 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1445 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &pte->mode, sizeof(pte->mode)) == -1)
1446 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1447 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &pte->namelen, sizeof(pte->namelen)) == -1)
1448 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1450 06de99ad 2022-05-19 thomas /* Remaining bytes are the entry's name. */
1451 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, pte->name, pte->namelen) == -1)
1452 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1455 06de99ad 2022-05-19 thomas wbuf->fd = -1;
1456 06de99ad 2022-05-19 thomas imsg_close(ibuf, wbuf);
1457 06de99ad 2022-05-19 thomas return NULL;
1460 63915ee5 2022-06-23 thomas static const struct got_error *
1461 63915ee5 2022-06-23 thomas send_tree_entries(struct imsgbuf *ibuf, struct got_parsed_tree_entry *entries,
1462 63915ee5 2022-06-23 thomas int nentries)
1464 06de99ad 2022-05-19 thomas const struct got_error *err = NULL;
1465 06de99ad 2022-05-19 thomas int i, j;
1466 63915ee5 2022-06-23 thomas size_t entries_len = sizeof(struct got_imsg_tree_entries);
1469 06de99ad 2022-05-19 thomas for (j = 0; j < nentries; j++) {
1470 06de99ad 2022-05-19 thomas struct got_parsed_tree_entry *pte = &entries[j];
1471 06de99ad 2022-05-19 thomas size_t len = sizeof(*pte) + pte->namelen;
1473 06de99ad 2022-05-19 thomas if (j > 0 &&
1474 06de99ad 2022-05-19 thomas entries_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1475 63915ee5 2022-06-23 thomas err = send_tree_entries_batch(ibuf, entries,
1476 06de99ad 2022-05-19 thomas i, j - 1, entries_len);
1477 06de99ad 2022-05-19 thomas if (err)
1478 06de99ad 2022-05-19 thomas return err;
1480 06de99ad 2022-05-19 thomas entries_len = sizeof(struct got_imsg_tree_entries);
1483 06de99ad 2022-05-19 thomas entries_len += len;
1486 06de99ad 2022-05-19 thomas if (j > 0) {
1487 63915ee5 2022-06-23 thomas err = send_tree_entries_batch(ibuf, entries, i, j - 1,
1488 63915ee5 2022-06-23 thomas entries_len);
1489 06de99ad 2022-05-19 thomas if (err)
1490 06de99ad 2022-05-19 thomas return err;
1493 63915ee5 2022-06-23 thomas return NULL;
1496 63915ee5 2022-06-23 thomas const struct got_error *
1497 63915ee5 2022-06-23 thomas got_privsep_send_tree(struct imsgbuf *ibuf,
1498 63915ee5 2022-06-23 thomas struct got_parsed_tree_entry *entries, int nentries)
1500 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
1501 63915ee5 2022-06-23 thomas struct got_imsg_tree_object itree;
1503 c26ee7ad 2022-06-23 thomas memset(&itree, 0, sizeof(itree));
1504 63915ee5 2022-06-23 thomas itree.nentries = nentries;
1505 63915ee5 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_TREE, 0, 0, -1, &itree, sizeof(itree))
1507 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_compose TREE");
1509 63915ee5 2022-06-23 thomas err = send_tree_entries(ibuf, entries, nentries);
1510 63915ee5 2022-06-23 thomas if (err)
1511 63915ee5 2022-06-23 thomas return err;
1513 b00c9821 2018-11-04 stsp return flush_imsg(ibuf);
1517 63915ee5 2022-06-23 thomas static const struct got_error *
1518 63915ee5 2022-06-23 thomas recv_tree_entries(void *data, size_t datalen, struct got_tree_object *tree,
1519 63915ee5 2022-06-23 thomas int *nentries)
1521 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
1522 63915ee5 2022-06-23 thomas struct got_imsg_tree_entries *ientries;
1523 63915ee5 2022-06-23 thomas struct got_tree_entry *te;
1524 63915ee5 2022-06-23 thomas size_t te_offset;
1525 63915ee5 2022-06-23 thomas size_t i;
1527 63915ee5 2022-06-23 thomas if (datalen <= sizeof(*ientries) ||
1528 63915ee5 2022-06-23 thomas datalen > MAX_IMSGSIZE - IMSG_HEADER_SIZE)
1529 63915ee5 2022-06-23 thomas return got_error(GOT_ERR_PRIVSEP_LEN);
1531 63915ee5 2022-06-23 thomas ientries = (struct got_imsg_tree_entries *)data;
1532 63915ee5 2022-06-23 thomas if (ientries->nentries > INT_MAX) {
1533 63915ee5 2022-06-23 thomas return got_error_msg(GOT_ERR_NO_SPACE,
1534 63915ee5 2022-06-23 thomas "too many tree entries");
1537 63915ee5 2022-06-23 thomas te_offset = sizeof(*ientries);
1538 63915ee5 2022-06-23 thomas for (i = 0; i < ientries->nentries; i++) {
1539 63915ee5 2022-06-23 thomas struct got_imsg_tree_entry ite;
1540 63915ee5 2022-06-23 thomas const char *te_name;
1541 63915ee5 2022-06-23 thomas uint8_t *buf = (uint8_t *)data + te_offset;
1543 63915ee5 2022-06-23 thomas if (te_offset >= datalen) {
1544 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1548 63915ee5 2022-06-23 thomas /* Might not be aligned, size is ~32 bytes. */
1549 63915ee5 2022-06-23 thomas memcpy(&ite, buf, sizeof(ite));
1551 63915ee5 2022-06-23 thomas if (ite.namelen >= sizeof(te->name)) {
1552 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1555 63915ee5 2022-06-23 thomas if (te_offset + sizeof(ite) + ite.namelen > datalen) {
1556 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1560 63915ee5 2022-06-23 thomas if (*nentries >= tree->nentries) {
1561 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1564 63915ee5 2022-06-23 thomas te = &tree->entries[*nentries];
1565 63915ee5 2022-06-23 thomas te_name = buf + sizeof(ite);
1566 63915ee5 2022-06-23 thomas memcpy(te->name, te_name, ite.namelen);
1567 63915ee5 2022-06-23 thomas te->name[ite.namelen] = '\0';
1568 63915ee5 2022-06-23 thomas memcpy(te->id.sha1, ite.id, SHA1_DIGEST_LENGTH);
1569 63915ee5 2022-06-23 thomas te->mode = ite.mode;
1570 63915ee5 2022-06-23 thomas te->idx = *nentries;
1571 63915ee5 2022-06-23 thomas (*nentries)++;
1573 63915ee5 2022-06-23 thomas te_offset += sizeof(ite) + ite.namelen;
1576 63915ee5 2022-06-23 thomas return err;
1579 e033d803 2018-04-23 stsp const struct got_error *
1580 068fd2bf 2018-04-24 stsp got_privsep_recv_tree(struct got_tree_object **tree, struct imsgbuf *ibuf)
1582 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
1583 e033d803 2018-04-23 stsp const size_t min_datalen =
1584 e033d803 2018-04-23 stsp MIN(sizeof(struct got_imsg_error),
1585 e033d803 2018-04-23 stsp sizeof(struct got_imsg_tree_object));
1586 291624d8 2018-11-07 stsp struct got_imsg_tree_object *itree;
1587 e033d803 2018-04-23 stsp int nentries = 0;
1589 e033d803 2018-04-23 stsp *tree = NULL;
1591 e033d803 2018-04-23 stsp err = read_imsg(ibuf);
1593 1e51f5b9 2018-04-23 stsp goto done;
1596 e033d803 2018-04-23 stsp struct imsg imsg;
1598 e033d803 2018-04-23 stsp size_t datalen;
1600 e033d803 2018-04-23 stsp n = imsg_get(ibuf, &imsg);
1601 e033d803 2018-04-23 stsp if (n == 0) {
1602 8767bb94 2022-05-19 thomas if ((*tree)) {
1603 8767bb94 2022-05-19 thomas if (nentries < (*tree)->nentries) {
1604 8767bb94 2022-05-19 thomas err = read_imsg(ibuf);
1605 8767bb94 2022-05-19 thomas if (err)
1607 8767bb94 2022-05-19 thomas continue;
1610 8767bb94 2022-05-19 thomas } else {
1611 8767bb94 2022-05-19 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
1616 fca1f6ad 2020-08-27 stsp if (imsg.hdr.len < IMSG_HEADER_SIZE + min_datalen) {
1617 fca1f6ad 2020-08-27 stsp imsg_free(&imsg);
1618 fca1f6ad 2020-08-27 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1622 e033d803 2018-04-23 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1624 e033d803 2018-04-23 stsp switch (imsg.hdr.type) {
1625 e033d803 2018-04-23 stsp case GOT_IMSG_ERROR:
1626 e033d803 2018-04-23 stsp err = recv_imsg_error(&imsg, datalen);
1628 e033d803 2018-04-23 stsp case GOT_IMSG_TREE:
1629 e033d803 2018-04-23 stsp /* This message should only appear once. */
1630 e033d803 2018-04-23 stsp if (*tree != NULL) {
1631 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1634 291624d8 2018-11-07 stsp if (datalen != sizeof(*itree)) {
1635 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1638 291624d8 2018-11-07 stsp itree = imsg.data;
1639 ace4d4e7 2022-05-19 thomas if (itree->nentries < 0) {
1640 ace4d4e7 2022-05-19 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1643 c3b78ecc 2018-11-07 stsp *tree = malloc(sizeof(**tree));
1644 e033d803 2018-04-23 stsp if (*tree == NULL) {
1645 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1648 56e0773d 2019-11-28 stsp (*tree)->entries = calloc(itree->nentries,
1649 56e0773d 2019-11-28 stsp sizeof(struct got_tree_entry));
1650 56e0773d 2019-11-28 stsp if ((*tree)->entries == NULL) {
1651 56e0773d 2019-11-28 stsp err = got_error_from_errno("malloc");
1652 c3bacae2 2022-05-19 thomas free(*tree);
1653 c3bacae2 2022-05-19 thomas *tree = NULL;
1656 56e0773d 2019-11-28 stsp (*tree)->nentries = itree->nentries;
1657 c3b78ecc 2018-11-07 stsp (*tree)->refcnt = 0;
1659 06de99ad 2022-05-19 thomas case GOT_IMSG_TREE_ENTRIES:
1660 e033d803 2018-04-23 stsp /* This message should be preceeded by GOT_IMSG_TREE. */
1661 e033d803 2018-04-23 stsp if (*tree == NULL) {
1662 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1665 63915ee5 2022-06-23 thomas err = recv_tree_entries(imsg.data, datalen,
1666 63915ee5 2022-06-23 thomas *tree, &nentries);
1669 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1673 e033d803 2018-04-23 stsp imsg_free(&imsg);
1678 56e0773d 2019-11-28 stsp if (*tree && (*tree)->nentries != nentries) {
1679 1e51f5b9 2018-04-23 stsp if (err == NULL)
1680 1e51f5b9 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1681 e033d803 2018-04-23 stsp got_object_tree_close(*tree);
1682 e033d803 2018-04-23 stsp *tree = NULL;
1685 ff6b18f8 2018-04-24 stsp return err;
1688 ff6b18f8 2018-04-24 stsp const struct got_error *
1689 ac544f8c 2019-01-13 stsp got_privsep_send_blob(struct imsgbuf *ibuf, size_t size, size_t hdrlen,
1690 ac544f8c 2019-01-13 stsp const uint8_t *data)
1692 2967a784 2018-04-24 stsp struct got_imsg_blob iblob;
1694 c26ee7ad 2022-06-23 thomas memset(&iblob, 0, sizeof(iblob));
1695 2967a784 2018-04-24 stsp iblob.size = size;
1696 ebc55e2d 2018-12-24 stsp iblob.hdrlen = hdrlen;
1698 ac544f8c 2019-01-13 stsp if (data) {
1699 ac544f8c 2019-01-13 stsp uint8_t *buf;
1701 ac544f8c 2019-01-13 stsp if (size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX)
1702 ac544f8c 2019-01-13 stsp return got_error(GOT_ERR_NO_SPACE);
1704 ac544f8c 2019-01-13 stsp buf = malloc(sizeof(iblob) + size);
1705 ac544f8c 2019-01-13 stsp if (buf == NULL)
1706 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1708 ac544f8c 2019-01-13 stsp memcpy(buf, &iblob, sizeof(iblob));
1709 ac544f8c 2019-01-13 stsp memcpy(buf + sizeof(iblob), data, size);
1710 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, buf,
1711 62d463ca 2020-10-20 naddy sizeof(iblob) + size) == -1) {
1712 ac544f8c 2019-01-13 stsp free(buf);
1713 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1715 ac544f8c 2019-01-13 stsp free(buf);
1717 ac544f8c 2019-01-13 stsp /* Data has already been written to file descriptor. */
1718 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, &iblob,
1719 ac544f8c 2019-01-13 stsp sizeof(iblob)) == -1)
1720 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1724 ff6b18f8 2018-04-24 stsp return flush_imsg(ibuf);
1727 ff6b18f8 2018-04-24 stsp const struct got_error *
1728 ac544f8c 2019-01-13 stsp got_privsep_recv_blob(uint8_t **outbuf, size_t *size, size_t *hdrlen,
1729 ac544f8c 2019-01-13 stsp struct imsgbuf *ibuf)
1731 ff6b18f8 2018-04-24 stsp const struct got_error *err = NULL;
1732 ff6b18f8 2018-04-24 stsp struct imsg imsg;
1733 291624d8 2018-11-07 stsp struct got_imsg_blob *iblob;
1734 ff6b18f8 2018-04-24 stsp size_t datalen;
1736 ac544f8c 2019-01-13 stsp *outbuf = NULL;
1738 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1740 ff6b18f8 2018-04-24 stsp return err;
1742 ff6b18f8 2018-04-24 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1744 ff6b18f8 2018-04-24 stsp switch (imsg.hdr.type) {
1745 ff6b18f8 2018-04-24 stsp case GOT_IMSG_BLOB:
1746 ac544f8c 2019-01-13 stsp if (datalen < sizeof(*iblob)) {
1747 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1750 291624d8 2018-11-07 stsp iblob = imsg.data;
1751 291624d8 2018-11-07 stsp *size = iblob->size;
1752 ebc55e2d 2018-12-24 stsp *hdrlen = iblob->hdrlen;
1754 ac544f8c 2019-01-13 stsp if (datalen == sizeof(*iblob)) {
1755 ac544f8c 2019-01-13 stsp /* Data has been written to file descriptor. */
1759 31d32634 2022-06-23 thomas if (*size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX ||
1760 31d32634 2022-06-23 thomas *size > datalen + sizeof(*iblob)) {
1761 ac544f8c 2019-01-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1765 ac544f8c 2019-01-13 stsp *outbuf = malloc(*size);
1766 ac544f8c 2019-01-13 stsp if (*outbuf == NULL) {
1767 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1770 ac544f8c 2019-01-13 stsp memcpy(*outbuf, imsg.data + sizeof(*iblob), *size);
1773 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1777 f4a881ce 2018-11-17 stsp imsg_free(&imsg);
1779 f4a881ce 2018-11-17 stsp return err;
1782 f4a881ce 2018-11-17 stsp static const struct got_error *
1783 f4a881ce 2018-11-17 stsp send_tagmsg(struct imsgbuf *ibuf, struct got_tag_object *tag, size_t tagmsg_len)
1785 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1786 f4a881ce 2018-11-17 stsp size_t offset, remain;
1788 f4a881ce 2018-11-17 stsp offset = 0;
1789 f4a881ce 2018-11-17 stsp remain = tagmsg_len;
1790 f4a881ce 2018-11-17 stsp while (remain > 0) {
1791 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1793 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_TAGMSG, 0, 0, -1,
1794 f4a881ce 2018-11-17 stsp tag->tagmsg + offset, n) == -1) {
1795 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG_TAGMSG");
1799 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1803 f4a881ce 2018-11-17 stsp offset += n;
1804 f4a881ce 2018-11-17 stsp remain -= n;
1807 f4a881ce 2018-11-17 stsp return err;
1810 f4a881ce 2018-11-17 stsp const struct got_error *
1811 f4a881ce 2018-11-17 stsp got_privsep_send_tag(struct imsgbuf *ibuf, struct got_tag_object *tag)
1813 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1814 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1815 f4a881ce 2018-11-17 stsp uint8_t *buf;
1816 f4a881ce 2018-11-17 stsp size_t len, total;
1817 f4a881ce 2018-11-17 stsp size_t tag_len = strlen(tag->tag);
1818 f4a881ce 2018-11-17 stsp size_t tagger_len = strlen(tag->tagger);
1819 f4a881ce 2018-11-17 stsp size_t tagmsg_len = strlen(tag->tagmsg);
1821 f4a881ce 2018-11-17 stsp total = sizeof(*itag) + tag_len + tagger_len + tagmsg_len;
1823 f4a881ce 2018-11-17 stsp buf = malloc(total);
1824 f4a881ce 2018-11-17 stsp if (buf == NULL)
1825 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1827 f4a881ce 2018-11-17 stsp itag = (struct got_imsg_tag_object *)buf;
1828 f4a881ce 2018-11-17 stsp memcpy(itag->id, tag->id.sha1, sizeof(itag->id));
1829 f4a881ce 2018-11-17 stsp itag->obj_type = tag->obj_type;
1830 f4a881ce 2018-11-17 stsp itag->tag_len = tag_len;
1831 f4a881ce 2018-11-17 stsp itag->tagger_len = tagger_len;
1832 f4a881ce 2018-11-17 stsp itag->tagger_time = tag->tagger_time;
1833 f4a881ce 2018-11-17 stsp itag->tagger_gmtoff = tag->tagger_gmtoff;
1834 f4a881ce 2018-11-17 stsp itag->tagmsg_len = tagmsg_len;
1836 f4a881ce 2018-11-17 stsp len = sizeof(*itag);
1837 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tag, tag_len);
1838 f4a881ce 2018-11-17 stsp len += tag_len;
1839 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tagger, tagger_len);
1840 f4a881ce 2018-11-17 stsp len += tagger_len;
1842 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG, 0, 0, -1, buf, len) == -1) {
1843 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG");
1844 f4a881ce 2018-11-17 stsp goto done;
1847 f4a881ce 2018-11-17 stsp if (tagmsg_len == 0 ||
1848 f4a881ce 2018-11-17 stsp tagmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1849 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1851 f4a881ce 2018-11-17 stsp goto done;
1853 f4a881ce 2018-11-17 stsp err = send_tagmsg(ibuf, tag, tagmsg_len);
1855 f4a881ce 2018-11-17 stsp free(buf);
1856 f4a881ce 2018-11-17 stsp return err;
1859 f4a881ce 2018-11-17 stsp const struct got_error *
1860 f4a881ce 2018-11-17 stsp got_privsep_recv_tag(struct got_tag_object **tag, struct imsgbuf *ibuf)
1862 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1863 f4a881ce 2018-11-17 stsp struct imsg imsg;
1864 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1865 f4a881ce 2018-11-17 stsp size_t len, datalen;
1866 f4a881ce 2018-11-17 stsp const size_t min_datalen =
1867 f4a881ce 2018-11-17 stsp MIN(sizeof(struct got_imsg_error),
1868 f4a881ce 2018-11-17 stsp sizeof(struct got_imsg_tag_object));
1870 f4a881ce 2018-11-17 stsp *tag = NULL;
1872 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1874 f4a881ce 2018-11-17 stsp return err;
1876 f4a881ce 2018-11-17 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1879 f4a881ce 2018-11-17 stsp switch (imsg.hdr.type) {
1880 f4a881ce 2018-11-17 stsp case GOT_IMSG_TAG:
1881 f4a881ce 2018-11-17 stsp if (datalen < sizeof(*itag)) {
1882 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1885 f4a881ce 2018-11-17 stsp itag = imsg.data;
1886 f4a881ce 2018-11-17 stsp if (datalen != sizeof(*itag) + itag->tag_len +
1887 f4a881ce 2018-11-17 stsp itag->tagger_len) {
1888 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1891 f4a881ce 2018-11-17 stsp len += sizeof(*itag);
1893 f4a881ce 2018-11-17 stsp *tag = calloc(1, sizeof(**tag));
1894 f4a881ce 2018-11-17 stsp if (*tag == NULL) {
1895 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
1899 f4a881ce 2018-11-17 stsp memcpy((*tag)->id.sha1, itag->id, SHA1_DIGEST_LENGTH);
1901 79b7acf3 2022-06-23 thomas (*tag)->tag = strndup(imsg.data + len, itag->tag_len);
1902 79b7acf3 2022-06-23 thomas if ((*tag)->tag == NULL) {
1903 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1906 f4a881ce 2018-11-17 stsp len += itag->tag_len;
1908 f4a881ce 2018-11-17 stsp (*tag)->obj_type = itag->obj_type;
1909 f4a881ce 2018-11-17 stsp (*tag)->tagger_time = itag->tagger_time;
1910 f4a881ce 2018-11-17 stsp (*tag)->tagger_gmtoff = itag->tagger_gmtoff;
1912 79b7acf3 2022-06-23 thomas (*tag)->tagger = strndup(imsg.data + len, itag->tagger_len);
1913 79b7acf3 2022-06-23 thomas if ((*tag)->tagger == NULL) {
1914 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1917 f4a881ce 2018-11-17 stsp len += itag->tagger_len;
1919 f4a881ce 2018-11-17 stsp if (itag->tagmsg_len == 0) {
1920 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = strdup("");
1921 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1922 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1926 f4a881ce 2018-11-17 stsp size_t offset = 0, remain = itag->tagmsg_len;
1928 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = malloc(itag->tagmsg_len + 1);
1929 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1930 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1933 f4a881ce 2018-11-17 stsp while (remain > 0) {
1934 f4a881ce 2018-11-17 stsp struct imsg imsg_log;
1935 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1938 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1940 f4a881ce 2018-11-17 stsp return err;
1942 f4a881ce 2018-11-17 stsp if (imsg_log.hdr.type != GOT_IMSG_TAG_TAGMSG)
1943 f4a881ce 2018-11-17 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
1945 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagmsg + offset, imsg_log.data,
1947 f4a881ce 2018-11-17 stsp imsg_free(&imsg_log);
1948 f4a881ce 2018-11-17 stsp offset += n;
1949 f4a881ce 2018-11-17 stsp remain -= n;
1951 f4a881ce 2018-11-17 stsp (*tag)->tagmsg[itag->tagmsg_len] = '\0';
1956 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1960 ff6b18f8 2018-04-24 stsp imsg_free(&imsg);
1962 2178c42e 2018-04-22 stsp return err;
1965 876c234b 2018-09-10 stsp const struct got_error *
1966 876c234b 2018-09-10 stsp got_privsep_init_pack_child(struct imsgbuf *ibuf, struct got_pack *pack,
1967 876c234b 2018-09-10 stsp struct got_packidx *packidx)
1969 41496140 2019-02-21 stsp const struct got_error *err = NULL;
1970 876c234b 2018-09-10 stsp struct got_imsg_packidx ipackidx;
1971 876c234b 2018-09-10 stsp struct got_imsg_pack ipack;
1974 c26ee7ad 2022-06-23 thomas memset(&ipackidx, 0, sizeof(ipackidx));
1975 c26ee7ad 2022-06-23 thomas memset(&ipack, 0, sizeof(ipack));
1977 876c234b 2018-09-10 stsp ipackidx.len = packidx->len;
1978 c3564dfa 2021-07-15 stsp ipackidx.packfile_size = pack->filesize;
1979 876c234b 2018-09-10 stsp fd = dup(packidx->fd);
1980 876c234b 2018-09-10 stsp if (fd == -1)
1981 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1983 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKIDX, 0, 0, fd, &ipackidx,
1984 41496140 2019-02-21 stsp sizeof(ipackidx)) == -1) {
1985 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACKIDX");
1986 41496140 2019-02-21 stsp close(fd);
1987 41496140 2019-02-21 stsp return err;
1990 876c234b 2018-09-10 stsp if (strlcpy(ipack.path_packfile, pack->path_packfile,
1991 876c234b 2018-09-10 stsp sizeof(ipack.path_packfile)) >= sizeof(ipack.path_packfile))
1992 876c234b 2018-09-10 stsp return got_error(GOT_ERR_NO_SPACE);
1993 876c234b 2018-09-10 stsp ipack.filesize = pack->filesize;
1995 876c234b 2018-09-10 stsp fd = dup(pack->fd);
1996 876c234b 2018-09-10 stsp if (fd == -1)
1997 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1999 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACK, 0, 0, fd, &ipack, sizeof(ipack))
2001 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACK");
2002 41496140 2019-02-21 stsp close(fd);
2003 41496140 2019-02-21 stsp return err;
2006 876c234b 2018-09-10 stsp return flush_imsg(ibuf);
2009 876c234b 2018-09-10 stsp const struct got_error *
2010 106807b4 2018-09-15 stsp got_privsep_send_packed_obj_req(struct imsgbuf *ibuf, int idx,
2011 106807b4 2018-09-15 stsp struct got_object_id *id)
2013 876c234b 2018-09-10 stsp struct got_imsg_packed_object iobj;
2015 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
2016 876c234b 2018-09-10 stsp iobj.idx = idx;
2017 106807b4 2018-09-15 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
2019 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_OBJECT_REQUEST, 0, 0, -1,
2020 876c234b 2018-09-10 stsp &iobj, sizeof(iobj)) == -1)
2021 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose "
2022 230a42bd 2019-05-11 jcs "PACKED_OBJECT_REQUEST");
2024 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2027 aba9c984 2019-09-08 stsp const struct got_error *
2028 59d1e4a0 2021-03-10 stsp got_privsep_send_packed_raw_obj_req(struct imsgbuf *ibuf, int idx,
2029 59d1e4a0 2021-03-10 stsp struct got_object_id *id)
2031 59d1e4a0 2021-03-10 stsp struct got_imsg_packed_object iobj;
2033 c26ee7ad 2022-06-23 thomas memset(&iobj, 0, sizeof(iobj));
2034 59d1e4a0 2021-03-10 stsp iobj.idx = idx;
2035 59d1e4a0 2021-03-10 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
2037 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_RAW_OBJECT_REQUEST, 0, 0, -1,
2038 59d1e4a0 2021-03-10 stsp &iobj, sizeof(iobj)) == -1)
2039 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose "
2040 59d1e4a0 2021-03-10 stsp "PACKED_OBJECT_REQUEST");
2042 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
2045 59d1e4a0 2021-03-10 stsp const struct got_error *
2046 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_parse_req(struct imsgbuf *ibuf, int fd)
2048 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2050 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_PARSE_REQUEST, 0, 0, fd,
2051 aba9c984 2019-09-08 stsp NULL, 0) == -1) {
2052 aba9c984 2019-09-08 stsp err = got_error_from_errno("imsg_compose "
2053 aba9c984 2019-09-08 stsp "GITCONFIG_PARSE_REQUEST");
2054 aba9c984 2019-09-08 stsp close(fd);
2055 aba9c984 2019-09-08 stsp return err;
2058 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2061 aba9c984 2019-09-08 stsp const struct got_error *
2062 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_repository_format_version_req(struct imsgbuf *ibuf)
2064 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2065 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST, 0, 0, -1,
2066 aba9c984 2019-09-08 stsp NULL, 0) == -1)
2067 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2068 aba9c984 2019-09-08 stsp "GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST");
2070 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2073 aba9c984 2019-09-08 stsp const struct got_error *
2074 20b7abb3 2020-10-22 stsp got_privsep_send_gitconfig_repository_extensions_req(struct imsgbuf *ibuf)
2076 20b7abb3 2020-10-22 stsp if (imsg_compose(ibuf,
2077 20b7abb3 2020-10-22 stsp GOT_IMSG_GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST, 0, 0, -1,
2078 20b7abb3 2020-10-22 stsp NULL, 0) == -1)
2079 20b7abb3 2020-10-22 stsp return got_error_from_errno("imsg_compose "
2080 20b7abb3 2020-10-22 stsp "GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST");
2082 20b7abb3 2020-10-22 stsp return flush_imsg(ibuf);
2086 20b7abb3 2020-10-22 stsp const struct got_error *
2087 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_name_req(struct imsgbuf *ibuf)
2089 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2090 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_NAME_REQUEST, 0, 0, -1, NULL, 0) == -1)
2091 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2092 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_NAME_REQUEST");
2094 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2097 aba9c984 2019-09-08 stsp const struct got_error *
2098 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_email_req(struct imsgbuf *ibuf)
2100 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2101 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_EMAIL_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_EMAIL_REQUEST");
2105 cd95becd 2019-11-29 stsp return flush_imsg(ibuf);
2108 cd95becd 2019-11-29 stsp const struct got_error *
2109 cd95becd 2019-11-29 stsp got_privsep_send_gitconfig_remotes_req(struct imsgbuf *ibuf)
2111 cd95becd 2019-11-29 stsp if (imsg_compose(ibuf,
2112 cd95becd 2019-11-29 stsp GOT_IMSG_GITCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2113 cd95becd 2019-11-29 stsp return got_error_from_errno("imsg_compose "
2114 cd95becd 2019-11-29 stsp "GITCONFIG_REMOTE_REQUEST");
2116 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2119 aba9c984 2019-09-08 stsp const struct got_error *
2120 9a1cc63f 2020-02-03 stsp got_privsep_send_gitconfig_owner_req(struct imsgbuf *ibuf)
2122 9a1cc63f 2020-02-03 stsp if (imsg_compose(ibuf,
2123 9a1cc63f 2020-02-03 stsp GOT_IMSG_GITCONFIG_OWNER_REQUEST, 0, 0, -1, NULL, 0) == -1)
2124 9a1cc63f 2020-02-03 stsp return got_error_from_errno("imsg_compose "
2125 9a1cc63f 2020-02-03 stsp "GITCONFIG_OWNER_REQUEST");
2127 9a1cc63f 2020-02-03 stsp return flush_imsg(ibuf);
2130 9a1cc63f 2020-02-03 stsp const struct got_error *
2131 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_str(char **str, struct imsgbuf *ibuf)
2133 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2134 aba9c984 2019-09-08 stsp struct imsg imsg;
2135 aba9c984 2019-09-08 stsp size_t datalen;
2137 aba9c984 2019-09-08 stsp *str = NULL;
2139 12a8238e 2022-06-23 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2141 aba9c984 2019-09-08 stsp return err;
2142 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2144 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2145 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_STR_VAL:
2146 aba9c984 2019-09-08 stsp if (datalen == 0)
2148 6c13dcd2 2020-09-18 stsp /* datalen does not include terminating \0 */
2149 6c13dcd2 2020-09-18 stsp *str = malloc(datalen + 1);
2150 aba9c984 2019-09-08 stsp if (*str == NULL) {
2151 aba9c984 2019-09-08 stsp err = got_error_from_errno("malloc");
2154 6c13dcd2 2020-09-18 stsp memcpy(*str, imsg.data, datalen);
2155 6c13dcd2 2020-09-18 stsp (*str)[datalen] = '\0';
2158 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2162 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2163 aba9c984 2019-09-08 stsp return err;
2166 aba9c984 2019-09-08 stsp const struct got_error *
2167 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_int(int *val, struct imsgbuf *ibuf)
2169 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2170 aba9c984 2019-09-08 stsp struct imsg imsg;
2171 aba9c984 2019-09-08 stsp size_t datalen;
2172 aba9c984 2019-09-08 stsp const size_t min_datalen =
2173 aba9c984 2019-09-08 stsp MIN(sizeof(struct got_imsg_error), sizeof(int));
2177 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2179 aba9c984 2019-09-08 stsp return err;
2180 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2182 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2183 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_INT_VAL:
2184 aba9c984 2019-09-08 stsp if (datalen != sizeof(*val)) {
2185 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2188 aba9c984 2019-09-08 stsp memcpy(val, imsg.data, sizeof(*val));
2191 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2195 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2196 cd95becd 2019-11-29 stsp return err;
2199 b8adfa55 2020-09-25 stsp static void
2200 b8adfa55 2020-09-25 stsp free_remote_data(struct got_remote_repo *remote)
2204 b8adfa55 2020-09-25 stsp free(remote->name);
2205 6480c871 2021-08-30 stsp free(remote->fetch_url);
2206 6480c871 2021-08-30 stsp free(remote->send_url);
2207 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_branches; i++)
2208 6480c871 2021-08-30 stsp free(remote->fetch_branches[i]);
2209 6480c871 2021-08-30 stsp free(remote->fetch_branches);
2210 6480c871 2021-08-30 stsp for (i = 0; i < remote->nsend_branches; i++)
2211 6480c871 2021-08-30 stsp free(remote->send_branches[i]);
2212 6480c871 2021-08-30 stsp free(remote->send_branches);
2213 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_refs; i++)
2214 6480c871 2021-08-30 stsp free(remote->fetch_refs[i]);
2215 6480c871 2021-08-30 stsp free(remote->fetch_refs);
2218 cd95becd 2019-11-29 stsp const struct got_error *
2219 cd95becd 2019-11-29 stsp got_privsep_recv_gitconfig_remotes(struct got_remote_repo **remotes,
2220 cd95becd 2019-11-29 stsp int *nremotes, struct imsgbuf *ibuf)
2222 cd95becd 2019-11-29 stsp const struct got_error *err = NULL;
2223 cd95becd 2019-11-29 stsp struct imsg imsg;
2224 cd95becd 2019-11-29 stsp size_t datalen;
2225 cd95becd 2019-11-29 stsp struct got_imsg_remotes iremotes;
2226 cd95becd 2019-11-29 stsp struct got_imsg_remote iremote;
2228 cd95becd 2019-11-29 stsp *remotes = NULL;
2229 cd95becd 2019-11-29 stsp *nremotes = 0;
2230 d669b9c9 2020-02-22 stsp iremotes.nremotes = 0;
2232 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremotes));
2234 cd95becd 2019-11-29 stsp return err;
2235 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2237 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2238 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTES:
2239 cd95becd 2019-11-29 stsp if (datalen != sizeof(iremotes)) {
2240 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2243 cd95becd 2019-11-29 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2244 cd95becd 2019-11-29 stsp if (iremotes.nremotes == 0) {
2245 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2246 cd95becd 2019-11-29 stsp return NULL;
2250 54b1c5b5 2020-02-22 stsp imsg_free(&imsg);
2251 54b1c5b5 2020-02-22 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2254 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2256 5146eb39 2020-03-20 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2257 cd95becd 2019-11-29 stsp if (*remotes == NULL)
2258 cd95becd 2019-11-29 stsp return got_error_from_errno("recallocarray");
2260 cd95becd 2019-11-29 stsp while (*nremotes < iremotes.nremotes) {
2261 cd95becd 2019-11-29 stsp struct got_remote_repo *remote;
2263 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremote));
2266 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2268 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2269 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTE:
2270 cd95becd 2019-11-29 stsp remote = &(*remotes)[*nremotes];
2271 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2272 cd95becd 2019-11-29 stsp if (datalen < sizeof(iremote)) {
2273 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2276 cd95becd 2019-11-29 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2277 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2278 6480c871 2021-08-30 stsp iremote.fetch_url_len == 0 ||
2279 6480c871 2021-08-30 stsp iremote.send_url_len == 0 ||
2280 cd95becd 2019-11-29 stsp (sizeof(iremote) + iremote.name_len +
2281 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) > datalen) {
2282 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2285 cd95becd 2019-11-29 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2286 cd95becd 2019-11-29 stsp iremote.name_len);
2287 cd95becd 2019-11-29 stsp if (remote->name == NULL) {
2288 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2291 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data + sizeof(iremote) +
2292 6480c871 2021-08-30 stsp iremote.name_len, iremote.fetch_url_len);
2293 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2294 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2295 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2298 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data + sizeof(iremote) +
2299 6480c871 2021-08-30 stsp iremote.name_len + iremote.fetch_url_len,
2300 6480c871 2021-08-30 stsp iremote.send_url_len);
2301 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2302 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2303 6480c871 2021-08-30 stsp free_remote_data(remote);
2306 469dd726 2020-03-20 stsp remote->mirror_references = iremote.mirror_references;
2307 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2308 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2309 6480c871 2021-08-30 stsp remote->fetch_branches = NULL;
2310 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2311 6480c871 2021-08-30 stsp remote->send_branches = NULL;
2312 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2313 6480c871 2021-08-30 stsp remote->fetch_refs = NULL;
2314 cd95becd 2019-11-29 stsp (*nremotes)++;
2317 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2321 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2326 cd95becd 2019-11-29 stsp if (err) {
2328 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2329 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2330 cd95becd 2019-11-29 stsp free(*remotes);
2331 cd95becd 2019-11-29 stsp *remotes = NULL;
2332 cd95becd 2019-11-29 stsp *nremotes = 0;
2334 aba9c984 2019-09-08 stsp return err;
2337 257add31 2020-09-09 stsp const struct got_error *
2338 257add31 2020-09-09 stsp got_privsep_send_gotconfig_parse_req(struct imsgbuf *ibuf, int fd)
2340 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2342 257add31 2020-09-09 stsp if (imsg_compose(ibuf, GOT_IMSG_GOTCONFIG_PARSE_REQUEST, 0, 0, fd,
2343 257add31 2020-09-09 stsp NULL, 0) == -1) {
2344 257add31 2020-09-09 stsp err = got_error_from_errno("imsg_compose "
2345 257add31 2020-09-09 stsp "GOTCONFIG_PARSE_REQUEST");
2346 257add31 2020-09-09 stsp close(fd);
2347 257add31 2020-09-09 stsp return err;
2350 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2353 257add31 2020-09-09 stsp const struct got_error *
2354 257add31 2020-09-09 stsp got_privsep_send_gotconfig_author_req(struct imsgbuf *ibuf)
2356 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2357 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_AUTHOR_REQUEST, 0, 0, -1, NULL, 0) == -1)
2358 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2359 257add31 2020-09-09 stsp "GOTCONFIG_AUTHOR_REQUEST");
2361 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2364 ca6e02ac 2020-01-07 stsp const struct got_error *
2365 257add31 2020-09-09 stsp got_privsep_send_gotconfig_remotes_req(struct imsgbuf *ibuf)
2367 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2368 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2369 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2370 257add31 2020-09-09 stsp "GOTCONFIG_REMOTE_REQUEST");
2372 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2375 257add31 2020-09-09 stsp const struct got_error *
2376 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_str(char **str, struct imsgbuf *ibuf)
2378 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2379 257add31 2020-09-09 stsp struct imsg imsg;
2380 257add31 2020-09-09 stsp size_t datalen;
2382 257add31 2020-09-09 stsp *str = NULL;
2384 12a8238e 2022-06-23 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2386 257add31 2020-09-09 stsp return err;
2387 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2389 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2390 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2391 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2393 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_STR_VAL:
2394 257add31 2020-09-09 stsp if (datalen == 0)
2396 5874ea87 2020-09-18 stsp /* datalen does not include terminating \0 */
2397 5874ea87 2020-09-18 stsp *str = malloc(datalen + 1);
2398 257add31 2020-09-09 stsp if (*str == NULL) {
2399 257add31 2020-09-09 stsp err = got_error_from_errno("malloc");
2402 5874ea87 2020-09-18 stsp memcpy(*str, imsg.data, datalen);
2403 5874ea87 2020-09-18 stsp (*str)[datalen] = '\0';
2406 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2410 257add31 2020-09-09 stsp imsg_free(&imsg);
2411 257add31 2020-09-09 stsp return err;
2414 257add31 2020-09-09 stsp const struct got_error *
2415 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_remotes(struct got_remote_repo **remotes,
2416 257add31 2020-09-09 stsp int *nremotes, struct imsgbuf *ibuf)
2418 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2419 257add31 2020-09-09 stsp struct imsg imsg;
2420 257add31 2020-09-09 stsp size_t datalen;
2421 257add31 2020-09-09 stsp struct got_imsg_remotes iremotes;
2422 257add31 2020-09-09 stsp struct got_imsg_remote iremote;
2423 257add31 2020-09-09 stsp const size_t min_datalen =
2424 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremotes));
2426 257add31 2020-09-09 stsp *remotes = NULL;
2427 257add31 2020-09-09 stsp *nremotes = 0;
2428 257add31 2020-09-09 stsp iremotes.nremotes = 0;
2430 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2432 257add31 2020-09-09 stsp return err;
2433 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2435 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2436 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2437 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2439 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTES:
2440 257add31 2020-09-09 stsp if (datalen != sizeof(iremotes)) {
2441 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2444 257add31 2020-09-09 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2445 31d32634 2022-06-23 thomas if (iremotes.nremotes < 0) {
2446 31d32634 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2449 257add31 2020-09-09 stsp if (iremotes.nremotes == 0) {
2450 257add31 2020-09-09 stsp imsg_free(&imsg);
2451 257add31 2020-09-09 stsp return NULL;
2455 257add31 2020-09-09 stsp imsg_free(&imsg);
2456 257add31 2020-09-09 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2459 257add31 2020-09-09 stsp imsg_free(&imsg);
2461 257add31 2020-09-09 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2462 257add31 2020-09-09 stsp if (*remotes == NULL)
2463 257add31 2020-09-09 stsp return got_error_from_errno("recallocarray");
2465 257add31 2020-09-09 stsp while (*nremotes < iremotes.nremotes) {
2466 257add31 2020-09-09 stsp struct got_remote_repo *remote;
2467 257add31 2020-09-09 stsp const size_t min_datalen =
2468 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremote));
2471 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2474 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2476 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2477 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2478 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2480 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTE:
2481 257add31 2020-09-09 stsp remote = &(*remotes)[*nremotes];
2482 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2483 257add31 2020-09-09 stsp if (datalen < sizeof(iremote)) {
2484 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2487 257add31 2020-09-09 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2488 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2489 6480c871 2021-08-30 stsp (iremote.fetch_url_len == 0 &&
2490 6480c871 2021-08-30 stsp iremote.send_url_len == 0) ||
2491 257add31 2020-09-09 stsp (sizeof(iremote) + iremote.name_len +
2492 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) >
2493 6480c871 2021-08-30 stsp datalen) {
2494 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2497 257add31 2020-09-09 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2498 257add31 2020-09-09 stsp iremote.name_len);
2499 257add31 2020-09-09 stsp if (remote->name == NULL) {
2500 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2503 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data +
2504 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len,
2505 6480c871 2021-08-30 stsp iremote.fetch_url_len);
2506 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2507 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2508 6480c871 2021-08-30 stsp free_remote_data(remote);
2511 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data +
2512 6480c871 2021-08-30 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 if (remote->send_url == NULL) {
2515 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2516 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2519 257add31 2020-09-09 stsp remote->mirror_references = iremote.mirror_references;
2520 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2521 6480c871 2021-08-30 stsp if (iremote.nfetch_branches > 0) {
2522 6480c871 2021-08-30 stsp remote->fetch_branches = recallocarray(NULL, 0,
2523 6480c871 2021-08-30 stsp iremote.nfetch_branches, sizeof(char *));
2524 6480c871 2021-08-30 stsp if (remote->fetch_branches == NULL) {
2525 b8adfa55 2020-09-25 stsp err = got_error_from_errno("calloc");
2526 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2530 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2531 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_branches; i++) {
2532 b8adfa55 2020-09-25 stsp char *branch;
2533 b8adfa55 2020-09-25 stsp err = got_privsep_recv_gotconfig_str(&branch,
2535 b8adfa55 2020-09-25 stsp if (err) {
2536 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2537 b8adfa55 2020-09-25 stsp goto done;
2539 6480c871 2021-08-30 stsp remote->fetch_branches[i] = branch;
2540 6480c871 2021-08-30 stsp remote->nfetch_branches++;
2542 6480c871 2021-08-30 stsp if (iremote.nsend_branches > 0) {
2543 6480c871 2021-08-30 stsp remote->send_branches = recallocarray(NULL, 0,
2544 6480c871 2021-08-30 stsp iremote.nsend_branches, sizeof(char *));
2545 6480c871 2021-08-30 stsp if (remote->send_branches == NULL) {
2546 99495ddb 2021-01-10 stsp err = got_error_from_errno("calloc");
2547 99495ddb 2021-01-10 stsp free_remote_data(remote);
2551 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2552 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nsend_branches; i++) {
2553 6480c871 2021-08-30 stsp char *branch;
2554 6480c871 2021-08-30 stsp err = got_privsep_recv_gotconfig_str(&branch,
2556 6480c871 2021-08-30 stsp if (err) {
2557 6480c871 2021-08-30 stsp free_remote_data(remote);
2558 6480c871 2021-08-30 stsp goto done;
2560 6480c871 2021-08-30 stsp remote->send_branches[i] = branch;
2561 6480c871 2021-08-30 stsp remote->nsend_branches++;
2563 6480c871 2021-08-30 stsp if (iremote.nfetch_refs > 0) {
2564 6480c871 2021-08-30 stsp remote->fetch_refs = recallocarray(NULL, 0,
2565 6480c871 2021-08-30 stsp iremote.nfetch_refs, sizeof(char *));
2566 6480c871 2021-08-30 stsp if (remote->fetch_refs == NULL) {
2567 6480c871 2021-08-30 stsp err = got_error_from_errno("calloc");
2568 6480c871 2021-08-30 stsp free_remote_data(remote);
2572 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2573 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_refs; i++) {
2574 99495ddb 2021-01-10 stsp char *ref;
2575 99495ddb 2021-01-10 stsp err = got_privsep_recv_gotconfig_str(&ref,
2577 99495ddb 2021-01-10 stsp if (err) {
2578 99495ddb 2021-01-10 stsp free_remote_data(remote);
2579 99495ddb 2021-01-10 stsp goto done;
2581 6480c871 2021-08-30 stsp remote->fetch_refs[i] = ref;
2582 6480c871 2021-08-30 stsp remote->nfetch_refs++;
2584 257add31 2020-09-09 stsp (*nremotes)++;
2587 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2591 257add31 2020-09-09 stsp imsg_free(&imsg);
2596 257add31 2020-09-09 stsp if (err) {
2598 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2599 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2600 257add31 2020-09-09 stsp free(*remotes);
2601 257add31 2020-09-09 stsp *remotes = NULL;
2602 257add31 2020-09-09 stsp *nremotes = 0;
2604 257add31 2020-09-09 stsp return err;
2607 257add31 2020-09-09 stsp const struct got_error *
2608 ca6e02ac 2020-01-07 stsp got_privsep_send_commit_traversal_request(struct imsgbuf *ibuf,
2609 abc59930 2021-09-05 naddy struct got_object_id *id, int idx, const char *path)
2611 ca6e02ac 2020-01-07 stsp struct ibuf *wbuf;
2612 ca6e02ac 2020-01-07 stsp size_t path_len = strlen(path) + 1;
2614 ca6e02ac 2020-01-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_COMMIT_TRAVERSAL_REQUEST, 0, 0,
2615 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_traversal_request) + path_len);
2616 ca6e02ac 2020-01-07 stsp if (wbuf == NULL)
2617 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
2618 ca6e02ac 2020-01-07 stsp "imsg_create COMMIT_TRAVERSAL_REQUEST");
2619 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1)
2620 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add "
2621 e9f1a409 2022-05-19 thomas "COMMIT_TRAVERSAL_REQUEST");
2622 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &idx, sizeof(idx)) == -1)
2623 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add "
2624 e9f1a409 2022-05-19 thomas "COMMIT_TRAVERSAL_REQUEST");
2625 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, path, path_len) == -1)
2626 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add "
2627 e9f1a409 2022-05-19 thomas "COMMIT_TRAVERSAL_REQUEST");
2629 ca6e02ac 2020-01-07 stsp wbuf->fd = -1;
2630 ca6e02ac 2020-01-07 stsp imsg_close(ibuf, wbuf);
2632 ca6e02ac 2020-01-07 stsp return flush_imsg(ibuf);
2635 ca6e02ac 2020-01-07 stsp const struct got_error *
2636 ca6e02ac 2020-01-07 stsp got_privsep_recv_traversed_commits(struct got_commit_object **changed_commit,
2637 ca6e02ac 2020-01-07 stsp struct got_object_id **changed_commit_id,
2638 ca6e02ac 2020-01-07 stsp struct got_object_id_queue *commit_ids, struct imsgbuf *ibuf)
2640 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
2641 ca6e02ac 2020-01-07 stsp struct imsg imsg;
2642 ca6e02ac 2020-01-07 stsp struct got_imsg_traversed_commits *icommits;
2643 ca6e02ac 2020-01-07 stsp size_t datalen;
2644 ca6e02ac 2020-01-07 stsp int i, done = 0;
2646 ca6e02ac 2020-01-07 stsp *changed_commit = NULL;
2647 ca6e02ac 2020-01-07 stsp *changed_commit_id = NULL;
2649 ca6e02ac 2020-01-07 stsp while (!done) {
2650 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2652 ca6e02ac 2020-01-07 stsp return err;
2654 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2655 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
2656 ca6e02ac 2020-01-07 stsp case GOT_IMSG_TRAVERSED_COMMITS:
2657 ca6e02ac 2020-01-07 stsp icommits = imsg.data;
2658 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommits) +
2659 ca6e02ac 2020-01-07 stsp icommits->ncommits * SHA1_DIGEST_LENGTH) {
2660 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2663 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommits->ncommits; i++) {
2664 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
2665 ca6e02ac 2020-01-07 stsp uint8_t *sha1 = (uint8_t *)imsg.data +
2666 ca6e02ac 2020-01-07 stsp sizeof(*icommits) + i * SHA1_DIGEST_LENGTH;
2667 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
2670 ec242592 2022-04-22 thomas memcpy(qid->id.sha1, sha1, SHA1_DIGEST_LENGTH);
2671 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(commit_ids, qid, entry);
2673 ca6e02ac 2020-01-07 stsp /* The last commit may contain a change. */
2674 ca6e02ac 2020-01-07 stsp if (i == icommits->ncommits - 1) {
2675 ca6e02ac 2020-01-07 stsp *changed_commit_id =
2676 ec242592 2022-04-22 thomas got_object_id_dup(&qid->id);
2677 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2678 ca6e02ac 2020-01-07 stsp err = got_error_from_errno(
2679 ca6e02ac 2020-01-07 stsp "got_object_id_dup");
2685 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
2686 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2687 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2690 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(changed_commit, &imsg,
2691 ca6e02ac 2020-01-07 stsp datalen, ibuf);
2693 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT_TRAVERSAL_DONE:
2697 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2701 ca6e02ac 2020-01-07 stsp imsg_free(&imsg);
2707 ca6e02ac 2020-01-07 stsp got_object_id_queue_free(commit_ids);
2708 ca6e02ac 2020-01-07 stsp return err;
2711 63915ee5 2022-06-23 thomas const struct got_error *
2712 63915ee5 2022-06-23 thomas got_privsep_send_enumerated_tree(size_t *totlen, struct imsgbuf *ibuf,
2713 63915ee5 2022-06-23 thomas struct got_object_id *tree_id, const char *path,
2714 63915ee5 2022-06-23 thomas struct got_parsed_tree_entry *entries, int nentries)
2716 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
2717 63915ee5 2022-06-23 thomas struct ibuf *wbuf;
2718 63915ee5 2022-06-23 thomas size_t path_len = strlen(path);
2719 63915ee5 2022-06-23 thomas size_t msglen;
2721 63915ee5 2022-06-23 thomas msglen = sizeof(struct got_imsg_enumerated_tree) + path_len;
2722 63915ee5 2022-06-23 thomas wbuf = imsg_create(ibuf, GOT_IMSG_ENUMERATED_TREE, 0, 0, msglen);
2723 63915ee5 2022-06-23 thomas if (wbuf == NULL)
2724 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_create ENUMERATED_TREE");
2726 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, tree_id->sha1, SHA1_DIGEST_LENGTH) == -1)
2727 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_TREE");
2728 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, &nentries, sizeof(nentries)) == -1)
2729 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_TREE");
2730 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, path, path_len) == -1)
2731 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_TREE");
2733 63915ee5 2022-06-23 thomas wbuf->fd = -1;
2734 63915ee5 2022-06-23 thomas imsg_close(ibuf, wbuf);
2736 63915ee5 2022-06-23 thomas if (entries) {
2737 63915ee5 2022-06-23 thomas err = send_tree_entries(ibuf, entries, nentries);
2738 63915ee5 2022-06-23 thomas if (err)
2739 63915ee5 2022-06-23 thomas return err;
2742 63915ee5 2022-06-23 thomas return flush_imsg(ibuf);
2745 f9c2e8e5 2022-02-13 thomas const struct got_error *
2746 63915ee5 2022-06-23 thomas got_privsep_send_object_enumeration_request(struct imsgbuf *ibuf)
2748 63915ee5 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_REQUEST,
2749 63915ee5 2022-06-23 thomas 0, 0, -1, NULL, 0) == -1)
2750 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_compose "
2751 63915ee5 2022-06-23 thomas "OBJECT_ENUMERATION_REQUEST");
2753 63915ee5 2022-06-23 thomas return flush_imsg(ibuf);
2756 63915ee5 2022-06-23 thomas const struct got_error *
2757 63915ee5 2022-06-23 thomas got_privsep_send_object_enumeration_done(struct imsgbuf *ibuf)
2759 63915ee5 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_DONE,
2760 63915ee5 2022-06-23 thomas 0, 0, -1, NULL, 0) == -1)
2761 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_compose "
2762 63915ee5 2022-06-23 thomas "OBJECT_ENUMERATION_DONE");
2764 63915ee5 2022-06-23 thomas return flush_imsg(ibuf);
2767 63915ee5 2022-06-23 thomas const struct got_error *
2768 e71f1e62 2022-06-23 thomas got_privsep_send_object_enumeration_incomplete(struct imsgbuf *ibuf)
2770 e71f1e62 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_INCOMPLETE,
2771 e71f1e62 2022-06-23 thomas 0, 0, -1, NULL, 0) == -1)
2772 e71f1e62 2022-06-23 thomas return got_error_from_errno("imsg_compose "
2773 e71f1e62 2022-06-23 thomas "OBJECT_ENUMERATION_INCOMPLETE");
2775 e71f1e62 2022-06-23 thomas return flush_imsg(ibuf);
2778 e71f1e62 2022-06-23 thomas const struct got_error *
2779 63915ee5 2022-06-23 thomas got_privsep_send_enumerated_commit(struct imsgbuf *ibuf,
2780 63915ee5 2022-06-23 thomas struct got_object_id *id, time_t mtime)
2782 63915ee5 2022-06-23 thomas struct ibuf *wbuf;
2784 63915ee5 2022-06-23 thomas wbuf = imsg_create(ibuf, GOT_IMSG_ENUMERATED_COMMIT, 0, 0,
2785 63915ee5 2022-06-23 thomas sizeof(struct got_imsg_enumerated_commit) + SHA1_DIGEST_LENGTH);
2786 63915ee5 2022-06-23 thomas if (wbuf == NULL)
2787 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_create ENUMERATED_COMMIT");
2789 63915ee5 2022-06-23 thomas /* Keep in sync with struct got_imsg_enumerated_commit! */
2790 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, id, SHA1_DIGEST_LENGTH) == -1)
2791 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_COMMIT");
2792 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, &mtime, sizeof(mtime)) == -1)
2793 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_COMMIT");
2795 63915ee5 2022-06-23 thomas wbuf->fd = -1;
2796 63915ee5 2022-06-23 thomas imsg_close(ibuf, wbuf);
2797 63915ee5 2022-06-23 thomas /* Don't flush yet, tree entries or ENUMERATION_DONE will follow. */
2798 63915ee5 2022-06-23 thomas return NULL;
2801 63915ee5 2022-06-23 thomas const struct got_error *
2802 e71f1e62 2022-06-23 thomas got_privsep_recv_enumerated_objects(int *found_all_objects,
2803 e71f1e62 2022-06-23 thomas struct imsgbuf *ibuf,
2804 63915ee5 2022-06-23 thomas got_object_enumerate_commit_cb cb_commit,
2805 63915ee5 2022-06-23 thomas got_object_enumerate_tree_cb cb_tree, void *cb_arg,
2806 63915ee5 2022-06-23 thomas struct got_repository *repo)
2808 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
2809 63915ee5 2022-06-23 thomas struct imsg imsg;
2810 63915ee5 2022-06-23 thomas struct got_imsg_enumerated_commit *icommit = NULL;
2811 63915ee5 2022-06-23 thomas struct got_object_id commit_id;
2812 63915ee5 2022-06-23 thomas int have_commit = 0;
2813 63915ee5 2022-06-23 thomas time_t mtime = 0;
2814 63915ee5 2022-06-23 thomas struct got_tree_object tree;
2815 63915ee5 2022-06-23 thomas struct got_imsg_enumerated_tree *itree;
2816 63915ee5 2022-06-23 thomas struct got_object_id tree_id;
2817 63915ee5 2022-06-23 thomas char *path = NULL, *canon_path = NULL;
2818 63915ee5 2022-06-23 thomas size_t datalen, path_len;
2819 63915ee5 2022-06-23 thomas int nentries = -1;
2820 63915ee5 2022-06-23 thomas int done = 0;
2822 e71f1e62 2022-06-23 thomas *found_all_objects = 0;
2823 63915ee5 2022-06-23 thomas memset(&tree, 0, sizeof(tree));
2825 63915ee5 2022-06-23 thomas while (!done) {
2826 63915ee5 2022-06-23 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2827 63915ee5 2022-06-23 thomas if (err)
2830 63915ee5 2022-06-23 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2831 63915ee5 2022-06-23 thomas switch (imsg.hdr.type) {
2832 77402035 2022-06-23 thomas case GOT_IMSG_ENUMERATED_COMMIT:
2833 63915ee5 2022-06-23 thomas if (have_commit && nentries != -1) {
2834 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2837 63915ee5 2022-06-23 thomas if (datalen != sizeof(*icommit)) {
2838 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2841 63915ee5 2022-06-23 thomas icommit = (struct got_imsg_enumerated_commit *)imsg.data;
2842 63915ee5 2022-06-23 thomas memcpy(commit_id.sha1, icommit->id, SHA1_DIGEST_LENGTH);
2843 63915ee5 2022-06-23 thomas mtime = icommit->mtime;
2844 63915ee5 2022-06-23 thomas have_commit = 1;
2846 63915ee5 2022-06-23 thomas case GOT_IMSG_ENUMERATED_TREE:
2847 63915ee5 2022-06-23 thomas /* Should be preceeded by GOT_IMSG_ENUMERATED_COMMIT. */
2848 63915ee5 2022-06-23 thomas if (!have_commit) {
2849 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2852 63915ee5 2022-06-23 thomas if (datalen < sizeof(*itree)) {
2853 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2856 63915ee5 2022-06-23 thomas itree = imsg.data;
2857 63915ee5 2022-06-23 thomas path_len = datalen - sizeof(*itree);
2858 63915ee5 2022-06-23 thomas if (path_len == 0) {
2859 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2862 63915ee5 2022-06-23 thomas memcpy(tree_id.sha1, itree->id, sizeof(tree_id.sha1));
2863 63915ee5 2022-06-23 thomas free(path);
2864 63915ee5 2022-06-23 thomas path = malloc(path_len + 1);
2865 63915ee5 2022-06-23 thomas if (path == NULL) {
2866 63915ee5 2022-06-23 thomas err = got_error_from_errno("malloc");
2869 63915ee5 2022-06-23 thomas free(canon_path);
2870 63915ee5 2022-06-23 thomas canon_path = malloc(path_len + 1);
2871 63915ee5 2022-06-23 thomas if (canon_path == NULL) {
2872 63915ee5 2022-06-23 thomas err = got_error_from_errno("malloc");
2875 63915ee5 2022-06-23 thomas memcpy(path, (uint8_t *)imsg.data + sizeof(*itree),
2876 63915ee5 2022-06-23 thomas path_len);
2877 63915ee5 2022-06-23 thomas path[path_len] = '\0';
2878 63915ee5 2022-06-23 thomas if (!got_path_is_absolute(path)) {
2879 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_BAD_PATH);
2882 63915ee5 2022-06-23 thomas if (got_path_is_root_dir(path)) {
2883 63915ee5 2022-06-23 thomas /* XXX check what got_canonpath() does wrong */
2884 63915ee5 2022-06-23 thomas canon_path[0] = '/';
2885 63915ee5 2022-06-23 thomas canon_path[1] = '\0';
2886 63915ee5 2022-06-23 thomas } else {
2887 63915ee5 2022-06-23 thomas err = got_canonpath(path, canon_path,
2888 63915ee5 2022-06-23 thomas path_len + 1);
2889 63915ee5 2022-06-23 thomas if (err)
2892 63915ee5 2022-06-23 thomas if (strcmp(path, canon_path) != 0) {
2893 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_BAD_PATH);
2896 63915ee5 2022-06-23 thomas if (nentries != -1) {
2897 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2900 63915ee5 2022-06-23 thomas if (itree->nentries < -1) {
2901 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2904 63915ee5 2022-06-23 thomas if (itree->nentries == -1) {
2905 63915ee5 2022-06-23 thomas /* Tree was not found in pack file. */
2906 63915ee5 2022-06-23 thomas err = cb_tree(cb_arg, NULL, mtime, &tree_id,
2907 63915ee5 2022-06-23 thomas path, repo);
2910 63915ee5 2022-06-23 thomas if (itree->nentries > INT_MAX) {
2911 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2914 63915ee5 2022-06-23 thomas tree.entries = calloc(itree->nentries,
2915 63915ee5 2022-06-23 thomas sizeof(struct got_tree_entry));
2916 63915ee5 2022-06-23 thomas if (tree.entries == NULL) {
2917 63915ee5 2022-06-23 thomas err = got_error_from_errno("calloc");
2920 63915ee5 2022-06-23 thomas if (itree->nentries == 0) {
2921 63915ee5 2022-06-23 thomas err = cb_tree(cb_arg, &tree, mtime, &tree_id,
2922 63915ee5 2022-06-23 thomas path, repo);
2923 63915ee5 2022-06-23 thomas if (err)
2926 63915ee5 2022-06-23 thomas /* Prepare for next tree. */
2927 63915ee5 2022-06-23 thomas free(tree.entries);
2928 63915ee5 2022-06-23 thomas memset(&tree, 0, sizeof(tree));
2929 63915ee5 2022-06-23 thomas nentries = -1;
2930 63915ee5 2022-06-23 thomas } else {
2931 63915ee5 2022-06-23 thomas tree.nentries = itree->nentries;
2932 63915ee5 2022-06-23 thomas nentries = 0;
2935 63915ee5 2022-06-23 thomas case GOT_IMSG_TREE_ENTRIES:
2936 63915ee5 2022-06-23 thomas /* Should be preceeded by GOT_IMSG_ENUMERATED_TREE. */
2937 63915ee5 2022-06-23 thomas if (nentries <= -1) {
2938 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2941 63915ee5 2022-06-23 thomas err = recv_tree_entries(imsg.data, datalen,
2942 63915ee5 2022-06-23 thomas &tree, &nentries);
2943 63915ee5 2022-06-23 thomas if (err)
2945 63915ee5 2022-06-23 thomas if (tree.nentries == nentries) {
2946 63915ee5 2022-06-23 thomas err = cb_tree(cb_arg, &tree, mtime, &tree_id,
2947 63915ee5 2022-06-23 thomas path, repo);
2948 63915ee5 2022-06-23 thomas if (err)
2951 63915ee5 2022-06-23 thomas /* Prepare for next tree. */
2952 63915ee5 2022-06-23 thomas free(tree.entries);
2953 63915ee5 2022-06-23 thomas memset(&tree, 0, sizeof(tree));
2954 63915ee5 2022-06-23 thomas nentries = -1;
2957 63915ee5 2022-06-23 thomas case GOT_IMSG_TREE_ENUMERATION_DONE:
2958 63915ee5 2022-06-23 thomas /* All trees have been found and traversed. */
2959 63915ee5 2022-06-23 thomas if (!have_commit || path == NULL || nentries != -1) {
2960 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2963 63915ee5 2022-06-23 thomas err = cb_commit(cb_arg, mtime, &commit_id, repo);
2964 63915ee5 2022-06-23 thomas if (err)
2966 63915ee5 2022-06-23 thomas have_commit = 0;
2968 63915ee5 2022-06-23 thomas case GOT_IMSG_OBJECT_ENUMERATION_DONE:
2969 e71f1e62 2022-06-23 thomas *found_all_objects = 1;
2970 e71f1e62 2022-06-23 thomas done = 1;
2972 e71f1e62 2022-06-23 thomas case GOT_IMSG_OBJECT_ENUMERATION_INCOMPLETE:
2973 63915ee5 2022-06-23 thomas done = 1;
2975 63915ee5 2022-06-23 thomas default:
2976 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2980 63915ee5 2022-06-23 thomas imsg_free(&imsg);
2981 63915ee5 2022-06-23 thomas if (err)
2985 63915ee5 2022-06-23 thomas free(path);
2986 63915ee5 2022-06-23 thomas free(canon_path);
2987 63915ee5 2022-06-23 thomas free(tree.entries);
2988 63915ee5 2022-06-23 thomas return err;
2991 63915ee5 2022-06-23 thomas const struct got_error *
2992 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta_req(struct imsgbuf *ibuf, int idx,
2993 f9c2e8e5 2022-02-13 thomas struct got_object_id *id)
2995 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta_request dreq;
2997 c26ee7ad 2022-06-23 thomas memset(&dreq, 0, sizeof(dreq));
2998 f9c2e8e5 2022-02-13 thomas dreq.idx = idx;
2999 f9c2e8e5 2022-02-13 thomas memcpy(dreq.id, id->sha1, SHA1_DIGEST_LENGTH);
3001 f9c2e8e5 2022-02-13 thomas if (imsg_compose(ibuf, GOT_IMSG_RAW_DELTA_REQUEST, 0, 0, -1,
3002 f9c2e8e5 2022-02-13 thomas &dreq, sizeof(dreq)) == -1)
3003 f9c2e8e5 2022-02-13 thomas return got_error_from_errno("imsg_compose RAW_DELTA_REQUEST");
3005 f9c2e8e5 2022-02-13 thomas return flush_imsg(ibuf);
3008 f9c2e8e5 2022-02-13 thomas const struct got_error *
3009 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta_outfd(struct imsgbuf *ibuf, int fd)
3011 f9c2e8e5 2022-02-13 thomas return send_fd(ibuf, GOT_IMSG_RAW_DELTA_OUTFD, fd);
3014 f9c2e8e5 2022-02-13 thomas const struct got_error *
3015 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta(struct imsgbuf *ibuf, uint64_t base_size,
3016 9249e7e3 2022-05-12 thomas uint64_t result_size, off_t delta_size, off_t delta_compressed_size,
3017 9249e7e3 2022-05-12 thomas off_t delta_offset, off_t delta_out_offset, struct got_object_id *base_id)
3019 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta idelta;
3020 f9c2e8e5 2022-02-13 thomas int ret;
3022 c26ee7ad 2022-06-23 thomas memset(&idelta, 0, sizeof(idelta));
3023 f9c2e8e5 2022-02-13 thomas idelta.base_size = base_size;
3024 f9c2e8e5 2022-02-13 thomas idelta.result_size = result_size;
3025 f9c2e8e5 2022-02-13 thomas idelta.delta_size = delta_size;
3026 9249e7e3 2022-05-12 thomas idelta.delta_compressed_size = delta_compressed_size;
3027 f9c2e8e5 2022-02-13 thomas idelta.delta_offset = delta_offset;
3028 f9c2e8e5 2022-02-13 thomas idelta.delta_out_offset = delta_out_offset;
3029 f9c2e8e5 2022-02-13 thomas memcpy(idelta.base_id, base_id->sha1, SHA1_DIGEST_LENGTH);
3031 f9c2e8e5 2022-02-13 thomas ret = imsg_compose(ibuf, GOT_IMSG_RAW_DELTA, 0, 0, -1,
3032 f9c2e8e5 2022-02-13 thomas &idelta, sizeof(idelta));
3033 f9c2e8e5 2022-02-13 thomas if (ret == -1)
3034 f9c2e8e5 2022-02-13 thomas return got_error_from_errno("imsg_compose RAW_DELTA");
3036 f9c2e8e5 2022-02-13 thomas return flush_imsg(ibuf);
3039 ca6e02ac 2020-01-07 stsp const struct got_error *
3040 f9c2e8e5 2022-02-13 thomas got_privsep_recv_raw_delta(uint64_t *base_size, uint64_t *result_size,
3041 9249e7e3 2022-05-12 thomas off_t *delta_size, off_t *delta_compressed_size, off_t *delta_offset,
3042 9249e7e3 2022-05-12 thomas off_t *delta_out_offset, struct got_object_id **base_id, struct imsgbuf *ibuf)
3044 f9c2e8e5 2022-02-13 thomas const struct got_error *err = NULL;
3045 f9c2e8e5 2022-02-13 thomas struct imsg imsg;
3046 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta *delta;
3047 f9c2e8e5 2022-02-13 thomas size_t datalen;
3049 f9c2e8e5 2022-02-13 thomas *base_size = 0;
3050 f9c2e8e5 2022-02-13 thomas *result_size = 0;
3051 f9c2e8e5 2022-02-13 thomas *delta_size = 0;
3052 9249e7e3 2022-05-12 thomas *delta_compressed_size = 0;
3053 f9c2e8e5 2022-02-13 thomas *delta_offset = 0;
3054 f9c2e8e5 2022-02-13 thomas *delta_out_offset = 0;
3055 f9c2e8e5 2022-02-13 thomas *base_id = NULL;
3057 f9c2e8e5 2022-02-13 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3058 f9c2e8e5 2022-02-13 thomas if (err)
3059 f9c2e8e5 2022-02-13 thomas return err;
3061 f9c2e8e5 2022-02-13 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3063 f9c2e8e5 2022-02-13 thomas switch (imsg.hdr.type) {
3064 f9c2e8e5 2022-02-13 thomas case GOT_IMSG_RAW_DELTA:
3065 f9c2e8e5 2022-02-13 thomas if (datalen != sizeof(*delta)) {
3066 f9c2e8e5 2022-02-13 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3069 f9c2e8e5 2022-02-13 thomas delta = imsg.data;
3070 f9c2e8e5 2022-02-13 thomas *base_size = delta->base_size;
3071 f9c2e8e5 2022-02-13 thomas *result_size = delta->result_size;
3072 f9c2e8e5 2022-02-13 thomas *delta_size = delta->delta_size;
3073 9249e7e3 2022-05-12 thomas *delta_compressed_size = delta->delta_compressed_size;
3074 f9c2e8e5 2022-02-13 thomas *delta_offset = delta->delta_offset;
3075 f9c2e8e5 2022-02-13 thomas *delta_out_offset = delta->delta_out_offset;
3076 f9c2e8e5 2022-02-13 thomas *base_id = calloc(1, sizeof(**base_id));
3077 f9c2e8e5 2022-02-13 thomas if (*base_id == NULL) {
3078 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("malloc");
3081 f9c2e8e5 2022-02-13 thomas memcpy((*base_id)->sha1, delta->base_id, SHA1_DIGEST_LENGTH);
3083 f9c2e8e5 2022-02-13 thomas default:
3084 f9c2e8e5 2022-02-13 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3088 f9c2e8e5 2022-02-13 thomas imsg_free(&imsg);
3090 f9c2e8e5 2022-02-13 thomas if (err) {
3091 f9c2e8e5 2022-02-13 thomas free(*base_id);
3092 f9c2e8e5 2022-02-13 thomas *base_id = NULL;
3094 7d0d4920 2022-05-12 thomas return err;
3097 63915ee5 2022-06-23 thomas static const struct got_error *
3098 63915ee5 2022-06-23 thomas send_idlist(struct imsgbuf *ibuf, struct got_object_id **ids, size_t nids)
3100 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3101 7d0d4920 2022-05-12 thomas struct got_imsg_object_idlist idlist;
3102 7d0d4920 2022-05-12 thomas struct ibuf *wbuf;
3103 7d0d4920 2022-05-12 thomas size_t i;
3105 c26ee7ad 2022-06-23 thomas memset(&idlist, 0, sizeof(idlist));
3107 7d0d4920 2022-05-12 thomas if (nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS)
3108 7d0d4920 2022-05-12 thomas return got_error(GOT_ERR_NO_SPACE);
3110 7d0d4920 2022-05-12 thomas wbuf = imsg_create(ibuf, GOT_IMSG_OBJ_ID_LIST, 0, 0,
3111 7d0d4920 2022-05-12 thomas sizeof(idlist) + nids * sizeof(**ids));
3112 7d0d4920 2022-05-12 thomas if (wbuf == NULL) {
3113 7d0d4920 2022-05-12 thomas err = got_error_from_errno("imsg_create OBJ_ID_LIST");
3114 7d0d4920 2022-05-12 thomas return err;
3117 7d0d4920 2022-05-12 thomas idlist.nids = nids;
3118 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &idlist, sizeof(idlist)) == -1)
3119 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add OBJ_ID_LIST");
3121 7d0d4920 2022-05-12 thomas for (i = 0; i < nids; i++) {
3122 7d0d4920 2022-05-12 thomas struct got_object_id *id = ids[i];
3123 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, id, sizeof(*id)) == -1)
3124 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add OBJ_ID_LIST");
3127 7d0d4920 2022-05-12 thomas wbuf->fd = -1;
3128 7d0d4920 2022-05-12 thomas imsg_close(ibuf, wbuf);
3130 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3133 7d0d4920 2022-05-12 thomas const struct got_error *
3134 63915ee5 2022-06-23 thomas got_privsep_send_object_idlist(struct imsgbuf *ibuf,
3135 63915ee5 2022-06-23 thomas struct got_object_id **ids, size_t nids)
3137 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
3138 63915ee5 2022-06-23 thomas struct got_object_id *idlist[GOT_IMSG_OBJ_ID_LIST_MAX_NIDS];
3139 ef53e23c 2022-06-23 thomas int i, queued = 0;
3141 77402035 2022-06-23 thomas for (i = 0; i < nids; i++) {
3142 ef53e23c 2022-06-23 thomas idlist[i % nitems(idlist)] = ids[i];
3143 ef53e23c 2022-06-23 thomas queued++;
3144 8f3ec65d 2022-06-23 thomas if (queued >= nitems(idlist)) {
3145 ef53e23c 2022-06-23 thomas err = send_idlist(ibuf, idlist, queued);
3146 63915ee5 2022-06-23 thomas if (err)
3147 63915ee5 2022-06-23 thomas return err;
3148 ef53e23c 2022-06-23 thomas queued = 0;
3152 ef53e23c 2022-06-23 thomas if (queued > 0) {
3153 ef53e23c 2022-06-23 thomas err = send_idlist(ibuf, idlist, queued);
3154 63915ee5 2022-06-23 thomas if (err)
3155 63915ee5 2022-06-23 thomas return err;
3158 63915ee5 2022-06-23 thomas return NULL;
3161 63915ee5 2022-06-23 thomas const struct got_error *
3162 7d0d4920 2022-05-12 thomas got_privsep_send_object_idlist_done(struct imsgbuf *ibuf)
3164 7d0d4920 2022-05-12 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJ_ID_LIST_DONE, 0, 0, -1, NULL, 0)
3166 7d0d4920 2022-05-12 thomas return got_error_from_errno("imsg_compose OBJ_ID_LIST_DONE");
3168 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3171 7d0d4920 2022-05-12 thomas const struct got_error *
3172 7d0d4920 2022-05-12 thomas got_privsep_recv_object_idlist(int *done, struct got_object_id **ids,
3173 7d0d4920 2022-05-12 thomas size_t *nids, struct imsgbuf *ibuf)
3175 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3176 7d0d4920 2022-05-12 thomas struct imsg imsg;
3177 7d0d4920 2022-05-12 thomas struct got_imsg_object_idlist *idlist;
3178 7d0d4920 2022-05-12 thomas size_t datalen;
3180 7d0d4920 2022-05-12 thomas *ids = NULL;
3181 7d0d4920 2022-05-12 thomas *done = 0;
3182 7d0d4920 2022-05-12 thomas *nids = 0;
3184 7d0d4920 2022-05-12 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3185 7d0d4920 2022-05-12 thomas if (err)
3186 7d0d4920 2022-05-12 thomas return err;
3188 7d0d4920 2022-05-12 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3189 7d0d4920 2022-05-12 thomas switch (imsg.hdr.type) {
3190 7d0d4920 2022-05-12 thomas case GOT_IMSG_OBJ_ID_LIST:
3191 7d0d4920 2022-05-12 thomas if (datalen < sizeof(*idlist)) {
3192 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3195 7d0d4920 2022-05-12 thomas idlist = imsg.data;
3196 31d32634 2022-06-23 thomas if (idlist->nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS ||
3197 31d32634 2022-06-23 thomas idlist->nids * sizeof(**ids) > datalen - sizeof(*idlist)) {
3198 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3201 7d0d4920 2022-05-12 thomas *nids = idlist->nids;
3202 7d0d4920 2022-05-12 thomas *ids = calloc(*nids, sizeof(**ids));
3203 7d0d4920 2022-05-12 thomas if (*ids == NULL) {
3204 7d0d4920 2022-05-12 thomas err = got_error_from_errno("calloc");
3207 623d55de 2022-06-23 thomas memcpy(*ids, (uint8_t *)imsg.data + sizeof(*idlist),
3208 7d0d4920 2022-05-12 thomas *nids * sizeof(**ids));
3210 7d0d4920 2022-05-12 thomas case GOT_IMSG_OBJ_ID_LIST_DONE:
3211 7d0d4920 2022-05-12 thomas *done = 1;
3213 7d0d4920 2022-05-12 thomas default:
3214 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3218 7d0d4920 2022-05-12 thomas imsg_free(&imsg);
3220 7d0d4920 2022-05-12 thomas return err;
3223 7d0d4920 2022-05-12 thomas const struct got_error *
3224 7d0d4920 2022-05-12 thomas got_privsep_send_delta_reuse_req(struct imsgbuf *ibuf)
3226 7d0d4920 2022-05-12 thomas if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_REQUEST, 0, 0, -1, NULL, 0)
3228 7d0d4920 2022-05-12 thomas return got_error_from_errno("imsg_compose DELTA_REUSE_REQUEST");
3230 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3233 7d0d4920 2022-05-12 thomas const struct got_error *
3234 7d0d4920 2022-05-12 thomas got_privsep_send_reused_deltas(struct imsgbuf *ibuf,
3235 7d0d4920 2022-05-12 thomas struct got_imsg_reused_delta *deltas, size_t ndeltas)
3237 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3238 7d0d4920 2022-05-12 thomas struct ibuf *wbuf;
3239 7d0d4920 2022-05-12 thomas struct got_imsg_reused_deltas ideltas;
3240 7d0d4920 2022-05-12 thomas size_t i;
3242 c26ee7ad 2022-06-23 thomas memset(&ideltas, 0, sizeof(ideltas));
3244 7d0d4920 2022-05-12 thomas if (ndeltas > GOT_IMSG_REUSED_DELTAS_MAX_NDELTAS)
3245 7d0d4920 2022-05-12 thomas return got_error(GOT_ERR_NO_SPACE);
3247 7d0d4920 2022-05-12 thomas wbuf = imsg_create(ibuf, GOT_IMSG_REUSED_DELTAS, 0, 0,
3248 7d0d4920 2022-05-12 thomas sizeof(ideltas) + ndeltas * sizeof(*deltas));
3249 7d0d4920 2022-05-12 thomas if (wbuf == NULL) {
3250 7d0d4920 2022-05-12 thomas err = got_error_from_errno("imsg_create REUSED_DELTAS");
3251 7d0d4920 2022-05-12 thomas return err;
3254 7d0d4920 2022-05-12 thomas ideltas.ndeltas = ndeltas;
3255 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &ideltas, sizeof(ideltas)) == -1)
3256 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add REUSED_DELTAS");
3258 7d0d4920 2022-05-12 thomas for (i = 0; i < ndeltas; i++) {
3259 7d0d4920 2022-05-12 thomas struct got_imsg_reused_delta *delta = &deltas[i];
3260 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, delta, sizeof(*delta)) == -1)
3261 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add REUSED_DELTAS");
3264 7d0d4920 2022-05-12 thomas wbuf->fd = -1;
3265 7d0d4920 2022-05-12 thomas imsg_close(ibuf, wbuf);
3267 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3270 7d0d4920 2022-05-12 thomas const struct got_error *
3271 7d0d4920 2022-05-12 thomas got_privsep_send_reused_deltas_done(struct imsgbuf *ibuf)
3273 7d0d4920 2022-05-12 thomas if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_DONE, 0, 0, -1, NULL, 0)
3275 7d0d4920 2022-05-12 thomas return got_error_from_errno("imsg_compose DELTA_REUSE_DONE");
3277 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3280 7d0d4920 2022-05-12 thomas const struct got_error *
3281 7d0d4920 2022-05-12 thomas got_privsep_recv_reused_deltas(int *done, struct got_imsg_reused_delta *deltas,
3282 7d0d4920 2022-05-12 thomas size_t *ndeltas, struct imsgbuf *ibuf)
3284 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3285 7d0d4920 2022-05-12 thomas struct imsg imsg;
3286 7d0d4920 2022-05-12 thomas struct got_imsg_reused_deltas *ideltas;
3287 7d0d4920 2022-05-12 thomas size_t datalen;
3289 7d0d4920 2022-05-12 thomas *done = 0;
3290 7d0d4920 2022-05-12 thomas *ndeltas = 0;
3292 7d0d4920 2022-05-12 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3293 7d0d4920 2022-05-12 thomas if (err)
3294 7d0d4920 2022-05-12 thomas return err;
3296 7d0d4920 2022-05-12 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3297 7d0d4920 2022-05-12 thomas switch (imsg.hdr.type) {
3298 7d0d4920 2022-05-12 thomas case GOT_IMSG_REUSED_DELTAS:
3299 7d0d4920 2022-05-12 thomas if (datalen < sizeof(*ideltas)) {
3300 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3303 7d0d4920 2022-05-12 thomas ideltas = imsg.data;
3304 31d32634 2022-06-23 thomas if (ideltas->ndeltas > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS ||
3305 31d32634 2022-06-23 thomas ideltas->ndeltas * sizeof(*deltas) >
3306 31d32634 2022-06-23 thomas datalen - sizeof(*ideltas)) {
3307 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3310 7d0d4920 2022-05-12 thomas *ndeltas = ideltas->ndeltas;
3311 623d55de 2022-06-23 thomas memcpy(deltas, (uint8_t *)imsg.data + sizeof(*ideltas),
3312 7d0d4920 2022-05-12 thomas *ndeltas * sizeof(*deltas));
3314 7d0d4920 2022-05-12 thomas case GOT_IMSG_DELTA_REUSE_DONE:
3315 7d0d4920 2022-05-12 thomas *done = 1;
3317 7d0d4920 2022-05-12 thomas default:
3318 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3322 7d0d4920 2022-05-12 thomas imsg_free(&imsg);
3324 f9c2e8e5 2022-02-13 thomas return err;
3327 f9c2e8e5 2022-02-13 thomas const struct got_error *
3328 63219cd2 2019-01-04 stsp got_privsep_unveil_exec_helpers(void)
3330 c39c25dd 2019-08-09 stsp const char *helpers[] = {
3331 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_PACK,
3332 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_OBJECT,
3333 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_COMMIT,
3334 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TREE,
3335 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_BLOB,
3336 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TAG,
3337 aba9c984 2019-09-08 stsp GOT_PATH_PROG_READ_GITCONFIG,
3338 257add31 2020-09-09 stsp GOT_PATH_PROG_READ_GOTCONFIG,
3339 069bbb86 2022-03-07 thomas GOT_PATH_PROG_READ_PATCH,
3340 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_FETCH_PACK,
3341 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_INDEX_PACK,
3342 f8a36e22 2021-08-26 stsp GOT_PATH_PROG_SEND_PACK,
3346 c39c25dd 2019-08-09 stsp for (i = 0; i < nitems(helpers); i++) {
3347 c39c25dd 2019-08-09 stsp if (unveil(helpers[i], "x") == 0)
3349 c39c25dd 2019-08-09 stsp return got_error_from_errno2("unveil", helpers[i]);
3352 63219cd2 2019-01-04 stsp return NULL;
3356 aba9c984 2019-09-08 stsp got_privsep_exec_child(int imsg_fds[2], const char *path, const char *repo_path)
3358 08578a35 2021-01-22 stsp if (close(imsg_fds[0]) == -1) {
3359 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3363 aba9c984 2019-09-08 stsp if (dup2(imsg_fds[1], GOT_IMSG_FD_CHILD) == -1) {
3364 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3368 ce95518e 2021-12-10 thomas closefrom(GOT_IMSG_FD_CHILD + 1);
3370 aba9c984 2019-09-08 stsp if (execl(path, path, repo_path, (char *)NULL) == -1) {
3371 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s: %s\n", getprogname(), path,
3372 aba9c984 2019-09-08 stsp strerror(errno));
