2 5aa81393 2020-01-06 stsp * Copyright (c) 2018, 2019, 2020 Stefan Sperling <stsp@openbsd.org>
3 93658fb9 2020-03-18 stsp * Copyright (c) 2020 Ori Bernstein <ori@openbsd.org>
5 2178c42e 2018-04-22 stsp * Permission to use, copy, modify, and distribute this software for any
6 2178c42e 2018-04-22 stsp * purpose with or without fee is hereby granted, provided that the above
7 2178c42e 2018-04-22 stsp * copyright notice and this permission notice appear in all copies.
9 2178c42e 2018-04-22 stsp * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 2178c42e 2018-04-22 stsp * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 2178c42e 2018-04-22 stsp * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 2178c42e 2018-04-22 stsp * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 2178c42e 2018-04-22 stsp * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 2178c42e 2018-04-22 stsp * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 2178c42e 2018-04-22 stsp * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 2178c42e 2018-04-22 stsp #include <sys/types.h>
19 2178c42e 2018-04-22 stsp #include <sys/uio.h>
20 876c234b 2018-09-10 stsp #include <sys/wait.h>
22 531c3985 2020-03-18 stsp #include <ctype.h>
23 23c57b28 2020-09-11 naddy #include <limits.h>
24 a486b62b 2021-05-18 stsp #include <signal.h>
25 2178c42e 2018-04-22 stsp #include <stdio.h>
26 2178c42e 2018-04-22 stsp #include <stdlib.h>
27 2178c42e 2018-04-22 stsp #include <string.h>
28 2178c42e 2018-04-22 stsp #include <errno.h>
29 2178c42e 2018-04-22 stsp #include <stdint.h>
30 2178c42e 2018-04-22 stsp #include <poll.h>
31 81a12da5 2020-09-09 naddy #include <unistd.h>
32 2178c42e 2018-04-22 stsp #include <zlib.h>
33 788c352e 2018-06-16 stsp #include <time.h>
35 dd038bc6 2021-09-21 thomas.ad #include "got_compat.h"
37 2178c42e 2018-04-22 stsp #include "got_object.h"
38 2178c42e 2018-04-22 stsp #include "got_error.h"
39 3022d272 2019-11-14 stsp #include "got_path.h"
40 cd95becd 2019-11-29 stsp #include "got_repository.h"
42 2178c42e 2018-04-22 stsp #include "got_lib_sha1.h"
43 2178c42e 2018-04-22 stsp #include "got_lib_delta.h"
44 63581804 2018-07-09 stsp #include "got_lib_inflate.h"
45 2178c42e 2018-04-22 stsp #include "got_lib_object.h"
46 a440fac0 2018-09-06 stsp #include "got_lib_object_parse.h"
47 2178c42e 2018-04-22 stsp #include "got_lib_privsep.h"
48 876c234b 2018-09-10 stsp #include "got_lib_pack.h"
51 2178c42e 2018-04-22 stsp #define MIN(_a,_b) ((_a) < (_b) ? (_a) : (_b))
54 c39c25dd 2019-08-09 stsp #ifndef nitems
55 c39c25dd 2019-08-09 stsp #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
58 2178c42e 2018-04-22 stsp static const struct got_error *
59 2178c42e 2018-04-22 stsp poll_fd(int fd, int events, int timeout)
61 2178c42e 2018-04-22 stsp struct pollfd pfd[1];
62 a486b62b 2021-05-18 stsp struct timespec ts;
63 a486b62b 2021-05-18 stsp sigset_t sigset;
66 2178c42e 2018-04-22 stsp pfd[0].fd = fd;
67 2178c42e 2018-04-22 stsp pfd[0].events = events;
69 a486b62b 2021-05-18 stsp ts.tv_sec = timeout;
70 a486b62b 2021-05-18 stsp ts.tv_nsec = 0;
72 a486b62b 2021-05-18 stsp if (sigemptyset(&sigset) == -1)
73 a486b62b 2021-05-18 stsp return got_error_from_errno("sigemptyset");
74 a486b62b 2021-05-18 stsp if (sigaddset(&sigset, SIGWINCH) == -1)
75 a486b62b 2021-05-18 stsp return got_error_from_errno("sigaddset");
77 a486b62b 2021-05-18 stsp n = ppoll(pfd, 1, timeout == INFTIM ? NULL : &ts, &sigset);
78 2178c42e 2018-04-22 stsp if (n == -1)
79 932dbee7 2021-05-19 stsp return got_error_from_errno("ppoll");
81 2178c42e 2018-04-22 stsp return got_error(GOT_ERR_TIMEOUT);
82 2178c42e 2018-04-22 stsp if (pfd[0].revents & (POLLERR | POLLNVAL))
83 638f9024 2019-05-13 stsp return got_error_from_errno("poll error");
84 2178c42e 2018-04-22 stsp if (pfd[0].revents & (events | POLLHUP))
85 2178c42e 2018-04-22 stsp return NULL;
87 2178c42e 2018-04-22 stsp return got_error(GOT_ERR_INTERRUPT);
90 c4eae628 2018-04-23 stsp static const struct got_error *
91 e033d803 2018-04-23 stsp read_imsg(struct imsgbuf *ibuf)
93 fe36cf76 2018-04-23 stsp const struct got_error *err;
96 ff470224 2022-05-19 thomas err = poll_fd(ibuf->fd, POLLIN, INFTIM);
98 ff470224 2022-05-19 thomas return err;
100 fe36cf76 2018-04-23 stsp n = imsg_read(ibuf);
101 fe36cf76 2018-04-23 stsp if (n == -1) {
102 fe36cf76 2018-04-23 stsp if (errno == EAGAIN) /* Could be a file-descriptor leak. */
103 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_NO_FD);
104 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_READ);
106 fe36cf76 2018-04-23 stsp if (n == 0)
107 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_PIPE);
109 e033d803 2018-04-23 stsp return NULL;
112 ad242220 2018-09-08 stsp const struct got_error *
113 876c234b 2018-09-10 stsp got_privsep_wait_for_child(pid_t pid)
115 876c234b 2018-09-10 stsp int child_status;
117 2cb49fa8 2019-05-10 stsp if (waitpid(pid, &child_status, 0) == -1)
118 638f9024 2019-05-13 stsp return got_error_from_errno("waitpid");
120 876c234b 2018-09-10 stsp if (!WIFEXITED(child_status))
121 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_DIED);
123 876c234b 2018-09-10 stsp if (WEXITSTATUS(child_status) != 0)
124 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_EXIT);
126 876c234b 2018-09-10 stsp return NULL;
129 73b7854a 2018-11-11 stsp static const struct got_error *
130 73b7854a 2018-11-11 stsp recv_imsg_error(struct imsg *imsg, size_t datalen)
132 73b7854a 2018-11-11 stsp struct got_imsg_error *ierr;
134 73b7854a 2018-11-11 stsp if (datalen != sizeof(*ierr))
135 73b7854a 2018-11-11 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
137 73b7854a 2018-11-11 stsp ierr = imsg->data;
138 73b7854a 2018-11-11 stsp if (ierr->code == GOT_ERR_ERRNO) {
139 73b7854a 2018-11-11 stsp static struct got_error serr;
140 73b7854a 2018-11-11 stsp serr.code = GOT_ERR_ERRNO;
141 73b7854a 2018-11-11 stsp serr.msg = strerror(ierr->errno_code);
142 73b7854a 2018-11-11 stsp return &serr;
145 73b7854a 2018-11-11 stsp return got_error(ierr->code);
148 876c234b 2018-09-10 stsp const struct got_error *
149 46de5bfd 2018-11-11 stsp got_privsep_recv_imsg(struct imsg *imsg, struct imsgbuf *ibuf,
150 46de5bfd 2018-11-11 stsp size_t min_datalen)
152 e033d803 2018-04-23 stsp const struct got_error *err;
155 e033d803 2018-04-23 stsp n = imsg_get(ibuf, imsg);
156 876c234b 2018-09-10 stsp if (n == -1)
157 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_get");
159 876c234b 2018-09-10 stsp while (n == 0) {
160 876c234b 2018-09-10 stsp err = read_imsg(ibuf);
162 876c234b 2018-09-10 stsp return err;
163 876c234b 2018-09-10 stsp n = imsg_get(ibuf, imsg);
164 cbfaaf20 2020-01-06 stsp if (n == -1)
165 cbfaaf20 2020-01-06 stsp return got_error_from_errno("imsg_get");
168 fe36cf76 2018-04-23 stsp if (imsg->hdr.len < IMSG_HEADER_SIZE + min_datalen)
169 c4eae628 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
171 73b7854a 2018-11-11 stsp if (imsg->hdr.type == GOT_IMSG_ERROR) {
172 73b7854a 2018-11-11 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
173 73b7854a 2018-11-11 stsp return recv_imsg_error(imsg, datalen);
176 73b7854a 2018-11-11 stsp return NULL;
179 2178c42e 2018-04-22 stsp /* Attempt to send an error in an imsg. Complain on stderr as a last resort. */
181 2178c42e 2018-04-22 stsp got_privsep_send_error(struct imsgbuf *ibuf, const struct got_error *err)
183 2178c42e 2018-04-22 stsp const struct got_error *poll_err;
184 2178c42e 2018-04-22 stsp struct got_imsg_error ierr;
187 2178c42e 2018-04-22 stsp ierr.code = err->code;
188 2178c42e 2018-04-22 stsp if (err->code == GOT_ERR_ERRNO)
189 2178c42e 2018-04-22 stsp ierr.errno_code = errno;
191 2178c42e 2018-04-22 stsp ierr.errno_code = 0;
192 2178c42e 2018-04-22 stsp ret = imsg_compose(ibuf, GOT_IMSG_ERROR, 0, 0, -1, &ierr, sizeof(ierr));
193 e93cd828 2018-11-11 stsp if (ret == -1) {
194 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_compose: %s\n",
195 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
199 2178c42e 2018-04-22 stsp poll_err = poll_fd(ibuf->fd, POLLOUT, INFTIM);
200 5d43e84d 2018-04-23 stsp if (poll_err) {
201 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": poll: %s\n",
202 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, poll_err->msg);
206 2178c42e 2018-04-22 stsp ret = imsg_flush(ibuf);
207 5d43e84d 2018-04-23 stsp if (ret == -1) {
208 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_flush: %s\n",
209 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
210 e2752401 2022-02-16 thomas imsg_clear(ibuf);
215 e033d803 2018-04-23 stsp static const struct got_error *
216 e033d803 2018-04-23 stsp flush_imsg(struct imsgbuf *ibuf)
218 e033d803 2018-04-23 stsp const struct got_error *err;
220 e033d803 2018-04-23 stsp err = poll_fd(ibuf->fd, POLLOUT, INFTIM);
222 e033d803 2018-04-23 stsp return err;
224 e2752401 2022-02-16 thomas if (imsg_flush(ibuf) == -1) {
225 e2752401 2022-02-16 thomas imsg_clear(ibuf);
226 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_flush");
229 e033d803 2018-04-23 stsp return NULL;
232 ad242220 2018-09-08 stsp const struct got_error *
233 e70bf110 2020-03-22 stsp got_privsep_flush_imsg(struct imsgbuf *ibuf)
235 e70bf110 2020-03-22 stsp return flush_imsg(ibuf);
238 e70bf110 2020-03-22 stsp const struct got_error *
239 ad242220 2018-09-08 stsp got_privsep_send_stop(int fd)
241 ad242220 2018-09-08 stsp const struct got_error *err = NULL;
242 ad242220 2018-09-08 stsp struct imsgbuf ibuf;
244 ad242220 2018-09-08 stsp imsg_init(&ibuf, fd);
246 ad242220 2018-09-08 stsp if (imsg_compose(&ibuf, GOT_IMSG_STOP, 0, 0, -1, NULL, 0) == -1)
247 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose STOP");
249 ad242220 2018-09-08 stsp err = flush_imsg(&ibuf);
250 ad242220 2018-09-08 stsp return err;
253 93658fb9 2020-03-18 stsp const struct got_error *
254 d5c81d44 2021-07-08 stsp got_privsep_send_obj_req(struct imsgbuf *ibuf, int fd,
255 d5c81d44 2021-07-08 stsp struct got_object_id *id)
257 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT_REQUEST, 0, 0, fd,
258 d5c81d44 2021-07-08 stsp id, sizeof(*id)) == -1)
259 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT_REQUEST");
261 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
264 59d1e4a0 2021-03-10 stsp const struct got_error *
265 d5c81d44 2021-07-08 stsp got_privsep_send_raw_obj_req(struct imsgbuf *ibuf, int fd,
266 d5c81d44 2021-07-08 stsp struct got_object_id *id)
268 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_OBJECT_REQUEST, 0, 0, fd,
269 d5c81d44 2021-07-08 stsp id, sizeof(*id)) == -1)
270 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose RAW_OBJECT_REQUEST");
272 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
275 59d1e4a0 2021-03-10 stsp const struct got_error *
276 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj_outfd(struct imsgbuf *ibuf, int outfd)
278 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
280 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_OBJECT_OUTFD, 0, 0, outfd, NULL, 0)
282 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_compose RAW_OBJECT_OUTFD");
283 59d1e4a0 2021-03-10 stsp close(outfd);
284 59d1e4a0 2021-03-10 stsp return err;
287 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
290 59d1e4a0 2021-03-10 stsp const struct got_error *
291 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj(struct imsgbuf *ibuf, off_t size, size_t hdrlen,
292 59d1e4a0 2021-03-10 stsp uint8_t *data)
294 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
295 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj iobj;
296 59d1e4a0 2021-03-10 stsp size_t len = sizeof(iobj);
297 59d1e4a0 2021-03-10 stsp struct ibuf *wbuf;
299 59d1e4a0 2021-03-10 stsp iobj.hdrlen = hdrlen;
300 59d1e4a0 2021-03-10 stsp iobj.size = size;
302 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX)
303 a8591711 2021-06-18 stsp len += (size_t)size + hdrlen;
305 59d1e4a0 2021-03-10 stsp wbuf = imsg_create(ibuf, GOT_IMSG_RAW_OBJECT, 0, 0, len);
306 59d1e4a0 2021-03-10 stsp if (wbuf == NULL) {
307 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_create RAW_OBJECT");
308 59d1e4a0 2021-03-10 stsp return err;
311 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &iobj, sizeof(iobj)) == -1)
312 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add RAW_OBJECT");
314 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
315 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, data, size + hdrlen) == -1)
316 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add RAW_OBJECT");
319 59d1e4a0 2021-03-10 stsp wbuf->fd = -1;
320 59d1e4a0 2021-03-10 stsp imsg_close(ibuf, wbuf);
322 1785f84a 2018-12-23 stsp return flush_imsg(ibuf);
325 1785f84a 2018-12-23 stsp const struct got_error *
326 59d1e4a0 2021-03-10 stsp got_privsep_recv_raw_obj(uint8_t **outbuf, off_t *size, size_t *hdrlen,
327 59d1e4a0 2021-03-10 stsp struct imsgbuf *ibuf)
329 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
330 59d1e4a0 2021-03-10 stsp struct imsg imsg;
331 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj *iobj;
332 59d1e4a0 2021-03-10 stsp size_t datalen;
334 59d1e4a0 2021-03-10 stsp *outbuf = NULL;
336 59d1e4a0 2021-03-10 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
338 59d1e4a0 2021-03-10 stsp return err;
340 59d1e4a0 2021-03-10 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
342 59d1e4a0 2021-03-10 stsp switch (imsg.hdr.type) {
343 59d1e4a0 2021-03-10 stsp case GOT_IMSG_RAW_OBJECT:
344 59d1e4a0 2021-03-10 stsp if (datalen < sizeof(*iobj)) {
345 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
348 59d1e4a0 2021-03-10 stsp iobj = imsg.data;
349 59d1e4a0 2021-03-10 stsp *size = iobj->size;
350 59d1e4a0 2021-03-10 stsp *hdrlen = iobj->hdrlen;
352 59d1e4a0 2021-03-10 stsp if (datalen == sizeof(*iobj)) {
353 59d1e4a0 2021-03-10 stsp /* Data has been written to file descriptor. */
357 31d32634 2022-06-23 thomas if (*size < 0 ||
358 31d32634 2022-06-23 thomas *size + *hdrlen > GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
359 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
363 a8591711 2021-06-18 stsp *outbuf = malloc(*size + *hdrlen);
364 59d1e4a0 2021-03-10 stsp if (*outbuf == NULL) {
365 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("malloc");
368 a8591711 2021-06-18 stsp memcpy(*outbuf, imsg.data + sizeof(*iobj), *size + *hdrlen);
371 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
375 59d1e4a0 2021-03-10 stsp imsg_free(&imsg);
377 59d1e4a0 2021-03-10 stsp return err;
380 59d1e4a0 2021-03-10 stsp const struct got_error *
381 1785f84a 2018-12-23 stsp got_privsep_send_commit_req(struct imsgbuf *ibuf, int fd,
382 1785f84a 2018-12-23 stsp struct got_object_id *id, int pack_idx)
384 41496140 2019-02-21 stsp const struct got_error *err = NULL;
385 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
386 d5c81d44 2021-07-08 stsp void *data;
387 1785f84a 2018-12-23 stsp size_t len;
389 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* commit is packed */
390 1785f84a 2018-12-23 stsp iobj.idx = pack_idx;
391 1785f84a 2018-12-23 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
392 d5c81d44 2021-07-08 stsp data = &iobj;
393 1785f84a 2018-12-23 stsp len = sizeof(iobj);
396 d5c81d44 2021-07-08 stsp len = sizeof(*id);
399 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_REQUEST, 0, 0, fd, data, len)
401 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT_REQUEST");
403 41496140 2019-02-21 stsp return err;
406 13c729f7 2018-12-24 stsp return flush_imsg(ibuf);
409 13c729f7 2018-12-24 stsp const struct got_error *
410 13c729f7 2018-12-24 stsp got_privsep_send_tree_req(struct imsgbuf *ibuf, int fd,
411 13c729f7 2018-12-24 stsp struct got_object_id *id, int pack_idx)
413 7f358e3b 2019-11-23 stsp struct ibuf *wbuf;
414 d5c81d44 2021-07-08 stsp size_t len;
416 d5c81d44 2021-07-08 stsp if (pack_idx != -1)
417 d5c81d44 2021-07-08 stsp len = sizeof(struct got_imsg_packed_object);
419 d5c81d44 2021-07-08 stsp len = sizeof(*id);
421 7f358e3b 2019-11-23 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_REQUEST, 0, 0, len);
422 7f358e3b 2019-11-23 stsp if (wbuf == NULL)
423 7f358e3b 2019-11-23 stsp return got_error_from_errno("imsg_create TREE_REQUEST");
425 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1)
426 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_REQUEST");
428 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tree is packed */
429 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &pack_idx, sizeof(pack_idx)) == -1)
430 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_REQUEST");
433 7f358e3b 2019-11-23 stsp wbuf->fd = fd;
434 7f358e3b 2019-11-23 stsp imsg_close(ibuf, wbuf);
436 268f7291 2018-12-24 stsp return flush_imsg(ibuf);
439 268f7291 2018-12-24 stsp const struct got_error *
440 268f7291 2018-12-24 stsp got_privsep_send_tag_req(struct imsgbuf *ibuf, int fd,
441 268f7291 2018-12-24 stsp struct got_object_id *id, int pack_idx)
443 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
444 d5c81d44 2021-07-08 stsp void *data;
445 268f7291 2018-12-24 stsp size_t len;
447 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tag is packed */
448 268f7291 2018-12-24 stsp iobj.idx = pack_idx;
449 268f7291 2018-12-24 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
450 d5c81d44 2021-07-08 stsp data = &iobj;
451 268f7291 2018-12-24 stsp len = sizeof(iobj);
454 d5c81d44 2021-07-08 stsp len = sizeof(*id);
457 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_REQUEST, 0, 0, fd, data, len)
459 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose TAG_REQUEST");
461 7762fe12 2018-11-05 stsp return flush_imsg(ibuf);
464 7762fe12 2018-11-05 stsp const struct got_error *
465 ebc55e2d 2018-12-24 stsp got_privsep_send_blob_req(struct imsgbuf *ibuf, int infd,
466 ebc55e2d 2018-12-24 stsp struct got_object_id *id, int pack_idx)
468 41496140 2019-02-21 stsp const struct got_error *err = NULL;
469 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
470 d5c81d44 2021-07-08 stsp void *data;
471 ebc55e2d 2018-12-24 stsp size_t len;
473 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* blob is packed */
474 ebc55e2d 2018-12-24 stsp iobj.idx = pack_idx;
475 ebc55e2d 2018-12-24 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
476 d5c81d44 2021-07-08 stsp data = &iobj;
477 ebc55e2d 2018-12-24 stsp len = sizeof(iobj);
480 d5c81d44 2021-07-08 stsp len = sizeof(*id);
483 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_REQUEST, 0, 0, infd, data, len)
485 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_REQUEST");
486 41496140 2019-02-21 stsp close(infd);
487 41496140 2019-02-21 stsp return err;
490 55da3778 2018-09-10 stsp return flush_imsg(ibuf);
493 55da3778 2018-09-10 stsp const struct got_error *
494 55da3778 2018-09-10 stsp got_privsep_send_blob_outfd(struct imsgbuf *ibuf, int outfd)
496 41496140 2019-02-21 stsp const struct got_error *err = NULL;
498 ad242220 2018-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_OUTFD, 0, 0, outfd, NULL, 0)
500 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_OUTFD");
501 41496140 2019-02-21 stsp close(outfd);
502 41496140 2019-02-21 stsp return err;
505 3840f4c9 2018-09-12 stsp return flush_imsg(ibuf);
508 73ab1060 2020-03-18 stsp static const struct got_error *
509 73ab1060 2020-03-18 stsp send_fd(struct imsgbuf *ibuf, int imsg_code, int fd)
511 41496140 2019-02-21 stsp const struct got_error *err = NULL;
513 73ab1060 2020-03-18 stsp if (imsg_compose(ibuf, imsg_code, 0, 0, fd, NULL, 0) == -1) {
514 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TMPFD");
516 41496140 2019-02-21 stsp return err;
519 ad242220 2018-09-08 stsp return flush_imsg(ibuf);
522 ad242220 2018-09-08 stsp const struct got_error *
523 73ab1060 2020-03-18 stsp got_privsep_send_tmpfd(struct imsgbuf *ibuf, int fd)
525 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_TMPFD, fd);
528 73ab1060 2020-03-18 stsp const struct got_error *
529 876c234b 2018-09-10 stsp got_privsep_send_obj(struct imsgbuf *ibuf, struct got_object *obj)
531 2178c42e 2018-04-22 stsp struct got_imsg_object iobj;
533 c59b3346 2018-09-11 stsp memcpy(iobj.id, obj->id.sha1, sizeof(iobj.id));
534 2178c42e 2018-04-22 stsp iobj.type = obj->type;
535 2178c42e 2018-04-22 stsp iobj.flags = obj->flags;
536 2178c42e 2018-04-22 stsp iobj.hdrlen = obj->hdrlen;
537 2178c42e 2018-04-22 stsp iobj.size = obj->size;
538 c59b3346 2018-09-11 stsp if (iobj.flags & GOT_OBJ_FLAG_PACKED) {
539 876c234b 2018-09-10 stsp iobj.pack_offset = obj->pack_offset;
540 c59b3346 2018-09-11 stsp iobj.pack_idx = obj->pack_idx;
543 2178c42e 2018-04-22 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT, 0, 0, -1, &iobj, sizeof(iobj))
545 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT");
547 c59b3346 2018-09-11 stsp return flush_imsg(ibuf);
550 cfd633c2 2018-09-10 stsp const struct got_error *
551 33501562 2020-03-18 stsp got_privsep_send_fetch_req(struct imsgbuf *ibuf, int fd,
552 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs, int fetch_all_branches,
553 abc59930 2021-09-05 naddy struct got_pathlist_head *wanted_branches,
554 abc59930 2021-09-05 naddy struct got_pathlist_head *wanted_refs, int list_refs_only, int verbosity)
556 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
557 33501562 2020-03-18 stsp struct ibuf *wbuf;
558 4ba14133 2020-03-20 stsp size_t len;
559 33501562 2020-03-18 stsp struct got_pathlist_entry *pe;
560 4ba14133 2020-03-20 stsp struct got_imsg_fetch_request fetchreq;
562 4ba14133 2020-03-20 stsp memset(&fetchreq, 0, sizeof(fetchreq));
563 4ba14133 2020-03-20 stsp fetchreq.fetch_all_branches = fetch_all_branches;
564 41b0de12 2020-03-21 stsp fetchreq.list_refs_only = list_refs_only;
565 2690194b 2020-03-21 stsp fetchreq.verbosity = verbosity;
566 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, have_refs, entry)
567 4ba14133 2020-03-20 stsp fetchreq.n_have_refs++;
568 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry)
569 4ba14133 2020-03-20 stsp fetchreq.n_wanted_branches++;
570 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry)
571 0e4002ca 2020-03-21 stsp fetchreq.n_wanted_refs++;
572 659e7fbd 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_request);
573 33501562 2020-03-18 stsp if (len >= MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
575 33501562 2020-03-18 stsp return got_error(GOT_ERR_NO_SPACE);
578 4ba14133 2020-03-20 stsp if (imsg_compose(ibuf, GOT_IMSG_FETCH_REQUEST, 0, 0, fd,
579 4ba14133 2020-03-20 stsp &fetchreq, sizeof(fetchreq)) == -1)
580 4ba14133 2020-03-20 stsp return got_error_from_errno(
581 4ba14133 2020-03-20 stsp "imsg_compose FETCH_SERVER_PROGRESS");
583 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
586 659e7fbd 2020-03-20 stsp return err;
590 33501562 2020-03-18 stsp TAILQ_FOREACH(pe, have_refs, entry) {
591 33501562 2020-03-18 stsp const char *name = pe->path;
592 33501562 2020-03-18 stsp size_t name_len = pe->path_len;
593 33501562 2020-03-18 stsp struct got_object_id *id = pe->data;
595 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_have_ref) + name_len;
596 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_HAVE_REF, 0, 0, len);
597 4ba14133 2020-03-20 stsp if (wbuf == NULL)
598 4ba14133 2020-03-20 stsp return got_error_from_errno("imsg_create FETCH_HAVE_REF");
600 33501562 2020-03-18 stsp /* Keep in sync with struct got_imsg_fetch_have_ref! */
601 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, id->sha1, sizeof(id->sha1)) == -1)
602 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add FETCH_HAVE_REF");
603 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
604 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add FETCH_HAVE_REF");
605 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
606 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add FETCH_HAVE_REF");
608 4ba14133 2020-03-20 stsp wbuf->fd = -1;
609 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
610 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
612 4ba14133 2020-03-20 stsp return err;
615 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry) {
616 4ba14133 2020-03-20 stsp const char *name = pe->path;
617 4ba14133 2020-03-20 stsp size_t name_len = pe->path_len;
619 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_wanted_branch) + name_len;
620 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_BRANCH, 0, 0,
622 4ba14133 2020-03-20 stsp if (wbuf == NULL)
623 4ba14133 2020-03-20 stsp return got_error_from_errno(
624 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_BRANCH");
626 4ba14133 2020-03-20 stsp /* Keep in sync with struct got_imsg_fetch_wanted_branch! */
627 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
628 e9f1a409 2022-05-19 thomas return got_error_from_errno(
629 4ba14133 2020-03-20 stsp "imsg_add FETCH_WANTED_BRANCH");
630 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
631 e9f1a409 2022-05-19 thomas return got_error_from_errno(
632 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_BRANCH");
634 4ba14133 2020-03-20 stsp wbuf->fd = -1;
635 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
636 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
638 4ba14133 2020-03-20 stsp return err;
641 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry) {
642 0e4002ca 2020-03-21 stsp const char *name = pe->path;
643 0e4002ca 2020-03-21 stsp size_t name_len = pe->path_len;
645 0e4002ca 2020-03-21 stsp len = sizeof(struct got_imsg_fetch_wanted_ref) + name_len;
646 0e4002ca 2020-03-21 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_REF, 0, 0,
648 0e4002ca 2020-03-21 stsp if (wbuf == NULL)
649 0e4002ca 2020-03-21 stsp return got_error_from_errno(
650 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_REF");
652 0e4002ca 2020-03-21 stsp /* Keep in sync with struct got_imsg_fetch_wanted_ref! */
653 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
654 e9f1a409 2022-05-19 thomas return got_error_from_errno(
655 0e4002ca 2020-03-21 stsp "imsg_add FETCH_WANTED_REF");
656 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
657 e9f1a409 2022-05-19 thomas return got_error_from_errno(
658 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_REF");
660 0e4002ca 2020-03-21 stsp wbuf->fd = -1;
661 0e4002ca 2020-03-21 stsp imsg_close(ibuf, wbuf);
662 0e4002ca 2020-03-21 stsp err = flush_imsg(ibuf);
664 0e4002ca 2020-03-21 stsp return err;
668 4ba14133 2020-03-20 stsp return NULL;
672 93658fb9 2020-03-18 stsp const struct got_error *
673 f826addf 2020-03-18 stsp got_privsep_send_fetch_outfd(struct imsgbuf *ibuf, int fd)
675 f826addf 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_FETCH_OUTFD, fd);
678 531c3985 2020-03-18 stsp const struct got_error *
679 8f2d01a6 2020-03-18 stsp got_privsep_recv_fetch_progress(int *done, struct got_object_id **id,
680 531c3985 2020-03-18 stsp char **refname, struct got_pathlist_head *symrefs, char **server_progress,
681 1d72a2a0 2020-03-24 stsp off_t *packfile_size, uint8_t *pack_sha1, struct imsgbuf *ibuf)
683 b9f99abf 2020-03-18 stsp const struct got_error *err = NULL;
684 b9f99abf 2020-03-18 stsp struct imsg imsg;
685 b9f99abf 2020-03-18 stsp size_t datalen;
686 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symrefs *isymrefs = NULL;
687 abe0f35f 2020-03-18 stsp size_t n, remain;
692 8f2d01a6 2020-03-18 stsp *id = NULL;
693 b9f99abf 2020-03-18 stsp *refname = NULL;
694 531c3985 2020-03-18 stsp *server_progress = NULL;
695 5a489642 2020-03-19 stsp *packfile_size = 0;
696 1d72a2a0 2020-03-24 stsp memset(pack_sha1, 0, SHA1_DIGEST_LENGTH);
698 531c3985 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
700 b9f99abf 2020-03-18 stsp return err;
702 b9f99abf 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
703 b9f99abf 2020-03-18 stsp switch (imsg.hdr.type) {
704 b9f99abf 2020-03-18 stsp case GOT_IMSG_ERROR:
705 b9f99abf 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
707 abe0f35f 2020-03-18 stsp case GOT_IMSG_FETCH_SYMREFS:
708 abe0f35f 2020-03-18 stsp if (datalen < sizeof(*isymrefs)) {
709 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
712 abe0f35f 2020-03-18 stsp if (isymrefs != NULL) {
713 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
716 abe0f35f 2020-03-18 stsp isymrefs = (struct got_imsg_fetch_symrefs *)imsg.data;
717 abe0f35f 2020-03-18 stsp off = sizeof(*isymrefs);
718 abe0f35f 2020-03-18 stsp remain = datalen - off;
719 abe0f35f 2020-03-18 stsp for (n = 0; n < isymrefs->nsymrefs; n++) {
720 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symref *s;
721 abe0f35f 2020-03-18 stsp char *name, *target;
722 abe0f35f 2020-03-18 stsp if (remain < sizeof(struct got_imsg_fetch_symref)) {
723 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
726 abe0f35f 2020-03-18 stsp s = (struct got_imsg_fetch_symref *)(imsg.data + off);
727 abe0f35f 2020-03-18 stsp off += sizeof(*s);
728 abe0f35f 2020-03-18 stsp remain -= sizeof(*s);
729 abe0f35f 2020-03-18 stsp if (remain < s->name_len) {
730 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
733 abe0f35f 2020-03-18 stsp name = strndup(imsg.data + off, s->name_len);
734 abe0f35f 2020-03-18 stsp if (name == NULL) {
735 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
738 abe0f35f 2020-03-18 stsp off += s->name_len;
739 abe0f35f 2020-03-18 stsp remain -= s->name_len;
740 abe0f35f 2020-03-18 stsp if (remain < s->target_len) {
741 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
742 abe0f35f 2020-03-18 stsp free(name);
745 abe0f35f 2020-03-18 stsp target = strndup(imsg.data + off, s->target_len);
746 abe0f35f 2020-03-18 stsp if (target == NULL) {
747 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
748 abe0f35f 2020-03-18 stsp free(name);
751 abe0f35f 2020-03-18 stsp off += s->target_len;
752 abe0f35f 2020-03-18 stsp remain -= s->target_len;
753 abe0f35f 2020-03-18 stsp err = got_pathlist_append(symrefs, name, target);
755 abe0f35f 2020-03-18 stsp free(name);
756 abe0f35f 2020-03-18 stsp free(target);
761 ea7396b9 2020-03-18 stsp case GOT_IMSG_FETCH_REF:
762 531c3985 2020-03-18 stsp if (datalen <= SHA1_DIGEST_LENGTH) {
763 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
766 8f2d01a6 2020-03-18 stsp *id = malloc(sizeof(**id));
767 8f2d01a6 2020-03-18 stsp if (*id == NULL) {
768 b9f99abf 2020-03-18 stsp err = got_error_from_errno("malloc");
771 8f2d01a6 2020-03-18 stsp memcpy((*id)->sha1, imsg.data, SHA1_DIGEST_LENGTH);
772 b9f99abf 2020-03-18 stsp *refname = strndup(imsg.data + SHA1_DIGEST_LENGTH,
773 b9f99abf 2020-03-18 stsp datalen - SHA1_DIGEST_LENGTH);
774 b9f99abf 2020-03-18 stsp if (*refname == NULL) {
775 b9f99abf 2020-03-18 stsp err = got_error_from_errno("strndup");
779 531c3985 2020-03-18 stsp case GOT_IMSG_FETCH_SERVER_PROGRESS:
780 531c3985 2020-03-18 stsp if (datalen == 0) {
781 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
784 531c3985 2020-03-18 stsp *server_progress = strndup(imsg.data, datalen);
785 531c3985 2020-03-18 stsp if (*server_progress == NULL) {
786 531c3985 2020-03-18 stsp err = got_error_from_errno("strndup");
789 531c3985 2020-03-18 stsp for (i = 0; i < datalen; i++) {
790 531c3985 2020-03-18 stsp if (!isprint((unsigned char)(*server_progress)[i]) &&
791 531c3985 2020-03-18 stsp !isspace((unsigned char)(*server_progress)[i])) {
792 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
793 531c3985 2020-03-18 stsp free(*server_progress);
794 531c3985 2020-03-18 stsp *server_progress = NULL;
799 d2cdc636 2020-03-18 stsp case GOT_IMSG_FETCH_DOWNLOAD_PROGRESS:
800 d2cdc636 2020-03-18 stsp if (datalen < sizeof(*packfile_size)) {
801 d2cdc636 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
804 d2cdc636 2020-03-18 stsp memcpy(packfile_size, imsg.data, sizeof(*packfile_size));
806 8f2d01a6 2020-03-18 stsp case GOT_IMSG_FETCH_DONE:
807 8f2d01a6 2020-03-18 stsp if (datalen != SHA1_DIGEST_LENGTH) {
808 8f2d01a6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
811 1d72a2a0 2020-03-24 stsp memcpy(pack_sha1, imsg.data, SHA1_DIGEST_LENGTH);
815 b887aab6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
821 8f2d01a6 2020-03-18 stsp *id = NULL;
822 b887aab6 2020-03-18 stsp free(*refname);
823 b887aab6 2020-03-18 stsp *refname = NULL;
825 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
826 f8a36e22 2021-08-26 stsp return err;
829 f8a36e22 2021-08-26 stsp static const struct got_error *
830 f8a36e22 2021-08-26 stsp send_send_ref(const char *name, size_t name_len, struct got_object_id *id,
831 f8a36e22 2021-08-26 stsp int delete, struct imsgbuf *ibuf)
833 f8a36e22 2021-08-26 stsp size_t len;
834 f8a36e22 2021-08-26 stsp struct ibuf *wbuf;
836 f8a36e22 2021-08-26 stsp len = sizeof(struct got_imsg_send_ref) + name_len;
837 f8a36e22 2021-08-26 stsp wbuf = imsg_create(ibuf, GOT_IMSG_SEND_REF, 0, 0, len);
838 f8a36e22 2021-08-26 stsp if (wbuf == NULL)
839 f8a36e22 2021-08-26 stsp return got_error_from_errno("imsg_create SEND_REF");
841 f8a36e22 2021-08-26 stsp /* Keep in sync with struct got_imsg_send_ref! */
842 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, id->sha1, sizeof(id->sha1)) == -1)
843 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
844 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &delete, sizeof(delete)) == -1)
845 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
846 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
847 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
848 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
849 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
851 f8a36e22 2021-08-26 stsp wbuf->fd = -1;
852 f8a36e22 2021-08-26 stsp imsg_close(ibuf, wbuf);
853 f8a36e22 2021-08-26 stsp return flush_imsg(ibuf);
856 f8a36e22 2021-08-26 stsp const struct got_error *
857 f8a36e22 2021-08-26 stsp got_privsep_send_send_req(struct imsgbuf *ibuf, int fd,
858 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs,
859 abc59930 2021-09-05 naddy struct got_pathlist_head *delete_refs,
860 abc59930 2021-09-05 naddy int verbosity)
862 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
863 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *pe;
864 f8a36e22 2021-08-26 stsp struct got_imsg_send_request sendreq;
865 f8a36e22 2021-08-26 stsp struct got_object_id zero_id;
867 f8a36e22 2021-08-26 stsp memset(&zero_id, 0, sizeof(zero_id));
868 f8a36e22 2021-08-26 stsp memset(&sendreq, 0, sizeof(sendreq));
869 f8a36e22 2021-08-26 stsp sendreq.verbosity = verbosity;
870 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry)
871 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
872 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry)
873 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
874 f8a36e22 2021-08-26 stsp if (imsg_compose(ibuf, GOT_IMSG_SEND_REQUEST, 0, 0, fd,
875 f8a36e22 2021-08-26 stsp &sendreq, sizeof(sendreq)) == -1) {
876 f8a36e22 2021-08-26 stsp err = got_error_from_errno(
877 f8a36e22 2021-08-26 stsp "imsg_compose FETCH_SERVER_PROGRESS");
881 f8a36e22 2021-08-26 stsp err = flush_imsg(ibuf);
886 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry) {
887 f8a36e22 2021-08-26 stsp const char *name = pe->path;
888 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
889 f8a36e22 2021-08-26 stsp struct got_object_id *id = pe->data;
890 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, id, 0, ibuf);
895 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry) {
896 f8a36e22 2021-08-26 stsp const char *name = pe->path;
897 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
898 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, &zero_id, 1, ibuf);
903 f8a36e22 2021-08-26 stsp if (fd != -1 && close(fd) == -1 && err == NULL)
904 f8a36e22 2021-08-26 stsp err = got_error_from_errno("close");
905 f8a36e22 2021-08-26 stsp return err;
909 f8a36e22 2021-08-26 stsp const struct got_error *
910 f8a36e22 2021-08-26 stsp got_privsep_recv_send_remote_refs(struct got_pathlist_head *remote_refs,
911 f8a36e22 2021-08-26 stsp struct imsgbuf *ibuf)
913 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
914 f8a36e22 2021-08-26 stsp struct imsg imsg;
915 f8a36e22 2021-08-26 stsp size_t datalen;
916 f8a36e22 2021-08-26 stsp int done = 0;
917 f8a36e22 2021-08-26 stsp struct got_imsg_send_remote_ref iremote_ref;
918 f8a36e22 2021-08-26 stsp struct got_object_id *id = NULL;
919 f8a36e22 2021-08-26 stsp char *refname = NULL;
920 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *new;
922 f8a36e22 2021-08-26 stsp while (!done) {
923 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
925 f8a36e22 2021-08-26 stsp return err;
926 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
927 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
928 f8a36e22 2021-08-26 stsp case GOT_IMSG_ERROR:
929 f8a36e22 2021-08-26 stsp err = recv_imsg_error(&imsg, datalen);
931 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REMOTE_REF:
932 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iremote_ref)) {
933 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
936 f8a36e22 2021-08-26 stsp memcpy(&iremote_ref, imsg.data, sizeof(iremote_ref));
937 f8a36e22 2021-08-26 stsp if (datalen != sizeof(iremote_ref) +
938 f8a36e22 2021-08-26 stsp iremote_ref.name_len) {
939 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
942 f8a36e22 2021-08-26 stsp id = malloc(sizeof(*id));
943 f8a36e22 2021-08-26 stsp if (id == NULL) {
944 f8a36e22 2021-08-26 stsp err = got_error_from_errno("malloc");
947 f8a36e22 2021-08-26 stsp memcpy(id->sha1, iremote_ref.id, SHA1_DIGEST_LENGTH);
948 f8a36e22 2021-08-26 stsp refname = strndup(imsg.data + sizeof(iremote_ref),
949 f8a36e22 2021-08-26 stsp datalen - sizeof(iremote_ref));
950 f8a36e22 2021-08-26 stsp if (refname == NULL) {
951 f8a36e22 2021-08-26 stsp err = got_error_from_errno("strndup");
954 f8a36e22 2021-08-26 stsp err = got_pathlist_insert(&new, remote_refs,
955 f8a36e22 2021-08-26 stsp refname, id);
958 f8a36e22 2021-08-26 stsp if (new == NULL) { /* duplicate which wasn't inserted */
960 f8a36e22 2021-08-26 stsp free(refname);
963 f8a36e22 2021-08-26 stsp refname = NULL;
965 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_PACK_REQUEST:
966 f8a36e22 2021-08-26 stsp if (datalen != 0) {
967 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
970 f8a36e22 2021-08-26 stsp /* got-send-pack is now waiting for a pack file. */
974 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
980 f8a36e22 2021-08-26 stsp free(refname);
981 b9f99abf 2020-03-18 stsp imsg_free(&imsg);
982 b9f99abf 2020-03-18 stsp return err;
985 93658fb9 2020-03-18 stsp const struct got_error *
986 f8a36e22 2021-08-26 stsp got_privsep_send_packfd(struct imsgbuf *ibuf, int fd)
988 f8a36e22 2021-08-26 stsp return send_fd(ibuf, GOT_IMSG_SEND_PACKFD, fd);
991 f8a36e22 2021-08-26 stsp const struct got_error *
992 f8a36e22 2021-08-26 stsp got_privsep_recv_send_progress(int *done, off_t *bytes_sent,
993 f8a36e22 2021-08-26 stsp int *success, char **refname, struct imsgbuf *ibuf)
995 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
996 f8a36e22 2021-08-26 stsp struct imsg imsg;
997 f8a36e22 2021-08-26 stsp size_t datalen;
998 f8a36e22 2021-08-26 stsp struct got_imsg_send_ref_status iref_status;
1000 f8a36e22 2021-08-26 stsp /* Do not reset the current value of 'bytes_sent', it accumulates. */
1001 f8a36e22 2021-08-26 stsp *done = 0;
1002 f8a36e22 2021-08-26 stsp *success = 0;
1003 f8a36e22 2021-08-26 stsp *refname = NULL;
1005 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1007 f8a36e22 2021-08-26 stsp return err;
1009 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1010 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
1011 f8a36e22 2021-08-26 stsp case GOT_IMSG_ERROR:
1012 f8a36e22 2021-08-26 stsp err = recv_imsg_error(&imsg, datalen);
1014 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_UPLOAD_PROGRESS:
1015 f8a36e22 2021-08-26 stsp if (datalen < sizeof(*bytes_sent)) {
1016 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1019 f8a36e22 2021-08-26 stsp memcpy(bytes_sent, imsg.data, sizeof(*bytes_sent));
1021 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REF_STATUS:
1022 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iref_status)) {
1023 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1026 f8a36e22 2021-08-26 stsp memcpy(&iref_status, imsg.data, sizeof(iref_status));
1027 f8a36e22 2021-08-26 stsp if (datalen != sizeof(iref_status) + iref_status.name_len) {
1028 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1031 f8a36e22 2021-08-26 stsp *success = iref_status.success;
1032 f8a36e22 2021-08-26 stsp *refname = strndup(imsg.data + sizeof(iref_status),
1033 f8a36e22 2021-08-26 stsp iref_status.name_len);
1035 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_DONE:
1036 f8a36e22 2021-08-26 stsp if (datalen != 0) {
1037 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1040 f8a36e22 2021-08-26 stsp *done = 1;
1043 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1047 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
1048 f8a36e22 2021-08-26 stsp return err;
1051 f8a36e22 2021-08-26 stsp const struct got_error *
1052 fd251256 2020-03-24 stsp got_privsep_send_index_pack_req(struct imsgbuf *ibuf, uint8_t *pack_sha1,
1055 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1057 668a20f6 2020-03-18 stsp /* Keep in sync with struct got_imsg_index_pack_request */
1058 93658fb9 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_IDXPACK_REQUEST, 0, 0, fd,
1059 fd251256 2020-03-24 stsp pack_sha1, SHA1_DIGEST_LENGTH) == -1) {
1060 93658fb9 2020-03-18 stsp err = got_error_from_errno("imsg_compose INDEX_REQUEST");
1061 93658fb9 2020-03-18 stsp close(fd);
1062 93658fb9 2020-03-18 stsp return err;
1064 baa9fea0 2020-03-18 stsp return flush_imsg(ibuf);
1067 baa9fea0 2020-03-18 stsp const struct got_error *
1068 73ab1060 2020-03-18 stsp got_privsep_send_index_pack_outfd(struct imsgbuf *ibuf, int fd)
1070 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_IDXPACK_OUTFD, fd);
1073 73ab1060 2020-03-18 stsp const struct got_error *
1074 668a20f6 2020-03-18 stsp got_privsep_recv_index_progress(int *done, int *nobj_total,
1075 668a20f6 2020-03-18 stsp int *nobj_indexed, int *nobj_loose, int *nobj_resolved,
1076 668a20f6 2020-03-18 stsp struct imsgbuf *ibuf)
1078 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1079 93658fb9 2020-03-18 stsp struct imsg imsg;
1080 baa9fea0 2020-03-18 stsp struct got_imsg_index_pack_progress *iprogress;
1081 baa9fea0 2020-03-18 stsp size_t datalen;
1083 baa9fea0 2020-03-18 stsp *done = 0;
1084 668a20f6 2020-03-18 stsp *nobj_total = 0;
1085 668a20f6 2020-03-18 stsp *nobj_indexed = 0;
1086 668a20f6 2020-03-18 stsp *nobj_resolved = 0;
1088 93658fb9 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1090 93658fb9 2020-03-18 stsp return err;
1092 baa9fea0 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1093 baa9fea0 2020-03-18 stsp switch (imsg.hdr.type) {
1094 baa9fea0 2020-03-18 stsp case GOT_IMSG_ERROR:
1095 baa9fea0 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
1097 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_PROGRESS:
1098 baa9fea0 2020-03-18 stsp if (datalen < sizeof(*iprogress)) {
1099 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1102 baa9fea0 2020-03-18 stsp iprogress = (struct got_imsg_index_pack_progress *)imsg.data;
1103 31d32634 2022-06-23 thomas if (iprogress->nobj_total < 0 || iprogress->nobj_indexed < 0 ||
1104 31d32634 2022-06-23 thomas iprogress->nobj_loose < 0 || iprogress->nobj_resolved < 0) {
1105 31d32634 2022-06-23 thomas err = got_error(GOT_ERR_RANGE);
1108 668a20f6 2020-03-18 stsp *nobj_total = iprogress->nobj_total;
1109 668a20f6 2020-03-18 stsp *nobj_indexed = iprogress->nobj_indexed;
1110 668a20f6 2020-03-18 stsp *nobj_loose = iprogress->nobj_loose;
1111 668a20f6 2020-03-18 stsp *nobj_resolved = iprogress->nobj_resolved;
1113 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_DONE:
1114 baa9fea0 2020-03-18 stsp if (datalen != 0) {
1115 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1118 baa9fea0 2020-03-18 stsp *done = 1;
1121 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1125 93658fb9 2020-03-18 stsp imsg_free(&imsg);
1126 baa9fea0 2020-03-18 stsp return err;
1129 93658fb9 2020-03-18 stsp const struct got_error *
1130 cfd633c2 2018-09-10 stsp got_privsep_get_imsg_obj(struct got_object **obj, struct imsg *imsg,
1131 cfd633c2 2018-09-10 stsp struct imsgbuf *ibuf)
1133 291624d8 2018-11-07 stsp struct got_imsg_object *iobj;
1134 cfd633c2 2018-09-10 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1136 291624d8 2018-11-07 stsp if (datalen != sizeof(*iobj))
1137 cfd633c2 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1138 291624d8 2018-11-07 stsp iobj = imsg->data;
1140 31d32634 2022-06-23 thomas if (iobj->pack_offset < 0)
1141 31d32634 2022-06-23 thomas return got_error(GOT_ERR_PACK_OFFSET);
1143 cfd633c2 2018-09-10 stsp *obj = calloc(1, sizeof(**obj));
1144 cfd633c2 2018-09-10 stsp if (*obj == NULL)
1145 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
1147 291624d8 2018-11-07 stsp memcpy((*obj)->id.sha1, iobj->id, SHA1_DIGEST_LENGTH);
1148 291624d8 2018-11-07 stsp (*obj)->type = iobj->type;
1149 291624d8 2018-11-07 stsp (*obj)->flags = iobj->flags;
1150 291624d8 2018-11-07 stsp (*obj)->hdrlen = iobj->hdrlen;
1151 291624d8 2018-11-07 stsp (*obj)->size = iobj->size;
1152 c59b3346 2018-09-11 stsp /* path_packfile is handled by caller */
1153 291624d8 2018-11-07 stsp if (iobj->flags & GOT_OBJ_FLAG_PACKED) {
1154 291624d8 2018-11-07 stsp (*obj)->pack_offset = iobj->pack_offset;
1155 291624d8 2018-11-07 stsp (*obj)->pack_idx = iobj->pack_idx;
1157 772802ae 2022-01-27 thomas STAILQ_INIT(&(*obj)->deltas.entries);
1158 772802ae 2022-01-27 thomas return NULL;
1161 2178c42e 2018-04-22 stsp const struct got_error *
1162 2178c42e 2018-04-22 stsp got_privsep_recv_obj(struct got_object **obj, struct imsgbuf *ibuf)
1164 2178c42e 2018-04-22 stsp const struct got_error *err = NULL;
1165 2178c42e 2018-04-22 stsp struct imsg imsg;
1166 c4eae628 2018-04-23 stsp const size_t min_datalen =
1167 c4eae628 2018-04-23 stsp MIN(sizeof(struct got_imsg_error), sizeof(struct got_imsg_object));
1169 2178c42e 2018-04-22 stsp *obj = NULL;
1171 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1173 2178c42e 2018-04-22 stsp return err;
1175 2178c42e 2018-04-22 stsp switch (imsg.hdr.type) {
1176 2178c42e 2018-04-22 stsp case GOT_IMSG_OBJECT:
1177 cfd633c2 2018-09-10 stsp err = got_privsep_get_imsg_obj(obj, &imsg, ibuf);
1180 bff6ca00 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1184 bff6ca00 2018-04-23 stsp imsg_free(&imsg);
1186 bff6ca00 2018-04-23 stsp return err;
1189 c75f7264 2018-09-11 stsp static const struct got_error *
1190 c75f7264 2018-09-11 stsp send_commit_logmsg(struct imsgbuf *ibuf, struct got_commit_object *commit,
1191 c75f7264 2018-09-11 stsp size_t logmsg_len)
1193 fa4ffeb3 2018-11-04 stsp const struct got_error *err = NULL;
1194 c75f7264 2018-09-11 stsp size_t offset, remain;
1196 c75f7264 2018-09-11 stsp offset = 0;
1197 c75f7264 2018-09-11 stsp remain = logmsg_len;
1198 c75f7264 2018-09-11 stsp while (remain > 0) {
1199 c75f7264 2018-09-11 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1201 c75f7264 2018-09-11 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_LOGMSG, 0, 0, -1,
1202 fa4ffeb3 2018-11-04 stsp commit->logmsg + offset, n) == -1) {
1203 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose "
1204 230a42bd 2019-05-11 jcs "COMMIT_LOGMSG");
1208 fa4ffeb3 2018-11-04 stsp err = flush_imsg(ibuf);
1212 c75f7264 2018-09-11 stsp offset += n;
1213 c75f7264 2018-09-11 stsp remain -= n;
1216 fa4ffeb3 2018-11-04 stsp return err;
1219 bff6ca00 2018-04-23 stsp const struct got_error *
1220 068fd2bf 2018-04-24 stsp got_privsep_send_commit(struct imsgbuf *ibuf, struct got_commit_object *commit)
1222 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1223 b9c33926 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1224 bff6ca00 2018-04-23 stsp uint8_t *buf;
1225 bff6ca00 2018-04-23 stsp size_t len, total;
1226 79f35eb3 2018-06-11 stsp struct got_object_qid *qid;
1227 b9c33926 2018-11-07 stsp size_t author_len = strlen(commit->author);
1228 b9c33926 2018-11-07 stsp size_t committer_len = strlen(commit->committer);
1229 c75f7264 2018-09-11 stsp size_t logmsg_len = strlen(commit->logmsg);
1231 b9c33926 2018-11-07 stsp total = sizeof(*icommit) + author_len + committer_len +
1232 b9c33926 2018-11-07 stsp commit->nparents * SHA1_DIGEST_LENGTH;
1234 bff6ca00 2018-04-23 stsp buf = malloc(total);
1235 bff6ca00 2018-04-23 stsp if (buf == NULL)
1236 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1238 b9c33926 2018-11-07 stsp icommit = (struct got_imsg_commit_object *)buf;
1239 a7403916 2018-12-24 stsp memcpy(icommit->tree_id, commit->tree_id->sha1,
1240 a7403916 2018-12-24 stsp sizeof(icommit->tree_id));
1241 b9c33926 2018-11-07 stsp icommit->author_len = author_len;
1242 b9c33926 2018-11-07 stsp icommit->author_time = commit->author_time;
1243 b9c33926 2018-11-07 stsp icommit->author_gmtoff = commit->author_gmtoff;
1244 b9c33926 2018-11-07 stsp icommit->committer_len = committer_len;
1245 b9c33926 2018-11-07 stsp icommit->committer_time = commit->committer_time;
1246 b9c33926 2018-11-07 stsp icommit->committer_gmtoff = commit->committer_gmtoff;
1247 b9c33926 2018-11-07 stsp icommit->logmsg_len = logmsg_len;
1248 b9c33926 2018-11-07 stsp icommit->nparents = commit->nparents;
1250 b9c33926 2018-11-07 stsp len = sizeof(*icommit);
1251 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->author, author_len);
1252 b9c33926 2018-11-07 stsp len += author_len;
1253 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->committer, committer_len);
1254 b9c33926 2018-11-07 stsp len += committer_len;
1255 dbdddfee 2021-06-23 naddy STAILQ_FOREACH(qid, &commit->parent_ids, entry) {
1256 ec242592 2022-04-22 thomas memcpy(buf + len, &qid->id, SHA1_DIGEST_LENGTH);
1257 86acc566 2018-04-23 stsp len += SHA1_DIGEST_LENGTH;
1260 bff6ca00 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT, 0, 0, -1, buf, len) == -1) {
1261 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT");
1262 bff6ca00 2018-04-23 stsp goto done;
1265 904df868 2018-11-04 stsp if (logmsg_len == 0 ||
1266 904df868 2018-11-04 stsp logmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1267 904df868 2018-11-04 stsp err = flush_imsg(ibuf);
1269 904df868 2018-11-04 stsp goto done;
1271 c75f7264 2018-09-11 stsp err = send_commit_logmsg(ibuf, commit, logmsg_len);
1273 bff6ca00 2018-04-23 stsp free(buf);
1274 bff6ca00 2018-04-23 stsp return err;
1277 ca6e02ac 2020-01-07 stsp static const struct got_error *
1278 ca6e02ac 2020-01-07 stsp get_commit_from_imsg(struct got_commit_object **commit,
1279 ca6e02ac 2020-01-07 stsp struct imsg *imsg, size_t datalen, struct imsgbuf *ibuf)
1281 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1282 291624d8 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1283 ca6e02ac 2020-01-07 stsp size_t len = 0;
1286 ca6e02ac 2020-01-07 stsp if (datalen < sizeof(*icommit))
1287 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1289 ca6e02ac 2020-01-07 stsp icommit = imsg->data;
1290 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommit) + icommit->author_len +
1291 ca6e02ac 2020-01-07 stsp icommit->committer_len +
1292 ca6e02ac 2020-01-07 stsp icommit->nparents * SHA1_DIGEST_LENGTH)
1293 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1295 ca6e02ac 2020-01-07 stsp if (icommit->nparents < 0)
1296 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1298 ca6e02ac 2020-01-07 stsp len += sizeof(*icommit);
1300 ca6e02ac 2020-01-07 stsp *commit = got_object_commit_alloc_partial();
1301 ca6e02ac 2020-01-07 stsp if (*commit == NULL)
1302 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
1303 ca6e02ac 2020-01-07 stsp "got_object_commit_alloc_partial");
1305 ca6e02ac 2020-01-07 stsp memcpy((*commit)->tree_id->sha1, icommit->tree_id,
1306 ca6e02ac 2020-01-07 stsp SHA1_DIGEST_LENGTH);
1307 ca6e02ac 2020-01-07 stsp (*commit)->author_time = icommit->author_time;
1308 ca6e02ac 2020-01-07 stsp (*commit)->author_gmtoff = icommit->author_gmtoff;
1309 ca6e02ac 2020-01-07 stsp (*commit)->committer_time = icommit->committer_time;
1310 ca6e02ac 2020-01-07 stsp (*commit)->committer_gmtoff = icommit->committer_gmtoff;
1312 79b7acf3 2022-06-23 thomas (*commit)->author = strndup(imsg->data + len, icommit->author_len);
1313 79b7acf3 2022-06-23 thomas if ((*commit)->author == NULL) {
1314 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1315 79b7acf3 2022-06-23 thomas goto done;
1317 ca6e02ac 2020-01-07 stsp len += icommit->author_len;
1319 79b7acf3 2022-06-23 thomas (*commit)->committer = strndup(imsg->data + len,
1320 79b7acf3 2022-06-23 thomas icommit->committer_len);
1321 79b7acf3 2022-06-23 thomas if ((*commit)->committer == NULL) {
1322 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1323 79b7acf3 2022-06-23 thomas goto done;
1325 ca6e02ac 2020-01-07 stsp len += icommit->committer_len;
1327 ca6e02ac 2020-01-07 stsp if (icommit->logmsg_len == 0) {
1328 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = strdup("");
1329 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1330 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1331 ca6e02ac 2020-01-07 stsp goto done;
1334 ca6e02ac 2020-01-07 stsp size_t offset = 0, remain = icommit->logmsg_len;
1336 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = malloc(icommit->logmsg_len + 1);
1337 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1338 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1339 ca6e02ac 2020-01-07 stsp goto done;
1341 ca6e02ac 2020-01-07 stsp while (remain > 0) {
1342 ca6e02ac 2020-01-07 stsp struct imsg imsg_log;
1343 ca6e02ac 2020-01-07 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1346 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1348 ca6e02ac 2020-01-07 stsp goto done;
1350 ca6e02ac 2020-01-07 stsp if (imsg_log.hdr.type != GOT_IMSG_COMMIT_LOGMSG) {
1351 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1352 ca6e02ac 2020-01-07 stsp goto done;
1355 ca6e02ac 2020-01-07 stsp memcpy((*commit)->logmsg + offset,
1356 ca6e02ac 2020-01-07 stsp imsg_log.data, n);
1357 ca6e02ac 2020-01-07 stsp imsg_free(&imsg_log);
1358 ca6e02ac 2020-01-07 stsp offset += n;
1359 ca6e02ac 2020-01-07 stsp remain -= n;
1361 ca6e02ac 2020-01-07 stsp (*commit)->logmsg[icommit->logmsg_len] = '\0';
1364 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommit->nparents; i++) {
1365 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
1367 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
1370 ec242592 2022-04-22 thomas memcpy(&qid->id, imsg->data + len +
1371 ec242592 2022-04-22 thomas i * SHA1_DIGEST_LENGTH, sizeof(qid->id));
1372 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(&(*commit)->parent_ids, qid, entry);
1373 ca6e02ac 2020-01-07 stsp (*commit)->nparents++;
1376 ca6e02ac 2020-01-07 stsp if (err) {
1377 ca6e02ac 2020-01-07 stsp got_object_commit_close(*commit);
1378 ca6e02ac 2020-01-07 stsp *commit = NULL;
1380 ca6e02ac 2020-01-07 stsp return err;
1383 ca6e02ac 2020-01-07 stsp const struct got_error *
1384 ca6e02ac 2020-01-07 stsp got_privsep_recv_commit(struct got_commit_object **commit, struct imsgbuf *ibuf)
1386 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
1387 ca6e02ac 2020-01-07 stsp struct imsg imsg;
1388 ca6e02ac 2020-01-07 stsp size_t datalen;
1389 ca6e02ac 2020-01-07 stsp const size_t min_datalen =
1390 ca6e02ac 2020-01-07 stsp MIN(sizeof(struct got_imsg_error),
1391 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_object));
1393 ca6e02ac 2020-01-07 stsp *commit = NULL;
1395 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1397 ca6e02ac 2020-01-07 stsp return err;
1399 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1401 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
1402 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
1403 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(commit, &imsg, datalen, ibuf);
1406 8c580685 2018-04-22 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1410 2178c42e 2018-04-22 stsp imsg_free(&imsg);
1412 e033d803 2018-04-23 stsp return err;
1415 06de99ad 2022-05-19 thomas static const struct got_error *
1416 63915ee5 2022-06-23 thomas send_tree_entries_batch(struct imsgbuf *ibuf,
1417 63915ee5 2022-06-23 thomas struct got_parsed_tree_entry *entries, int idx0, int idxN, size_t len)
1419 06de99ad 2022-05-19 thomas struct ibuf *wbuf;
1420 06de99ad 2022-05-19 thomas struct got_imsg_tree_entries ientries;
1423 06de99ad 2022-05-19 thomas wbuf = imsg_create(ibuf, GOT_IMSG_TREE_ENTRIES, 0, 0, len);
1424 06de99ad 2022-05-19 thomas if (wbuf == NULL)
1425 06de99ad 2022-05-19 thomas return got_error_from_errno("imsg_create TREE_ENTRY");
1427 06de99ad 2022-05-19 thomas ientries.nentries = idxN - idx0 + 1;
1428 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &ientries, sizeof(ientries)) == -1)
1429 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1431 06de99ad 2022-05-19 thomas for (i = idx0; i <= idxN; i++) {
1432 06de99ad 2022-05-19 thomas struct got_parsed_tree_entry *pte = &entries[i];
1434 3022d272 2019-11-14 stsp /* Keep in sync with struct got_imsg_tree_object definition! */
1435 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, pte->id, SHA1_DIGEST_LENGTH) == -1)
1436 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1437 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &pte->mode, sizeof(pte->mode)) == -1)
1438 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1439 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &pte->namelen, sizeof(pte->namelen)) == -1)
1440 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1442 06de99ad 2022-05-19 thomas /* Remaining bytes are the entry's name. */
1443 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, pte->name, pte->namelen) == -1)
1444 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1447 06de99ad 2022-05-19 thomas wbuf->fd = -1;
1448 06de99ad 2022-05-19 thomas imsg_close(ibuf, wbuf);
1449 06de99ad 2022-05-19 thomas return NULL;
1452 63915ee5 2022-06-23 thomas static const struct got_error *
1453 63915ee5 2022-06-23 thomas send_tree_entries(struct imsgbuf *ibuf, struct got_parsed_tree_entry *entries,
1454 63915ee5 2022-06-23 thomas int nentries)
1456 06de99ad 2022-05-19 thomas const struct got_error *err = NULL;
1457 06de99ad 2022-05-19 thomas int i, j;
1458 63915ee5 2022-06-23 thomas size_t entries_len = sizeof(struct got_imsg_tree_entries);
1461 06de99ad 2022-05-19 thomas for (j = 0; j < nentries; j++) {
1462 06de99ad 2022-05-19 thomas struct got_parsed_tree_entry *pte = &entries[j];
1463 06de99ad 2022-05-19 thomas size_t len = sizeof(*pte) + pte->namelen;
1465 06de99ad 2022-05-19 thomas if (j > 0 &&
1466 06de99ad 2022-05-19 thomas entries_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1467 63915ee5 2022-06-23 thomas err = send_tree_entries_batch(ibuf, entries,
1468 06de99ad 2022-05-19 thomas i, j - 1, entries_len);
1469 06de99ad 2022-05-19 thomas if (err)
1470 06de99ad 2022-05-19 thomas return err;
1472 06de99ad 2022-05-19 thomas entries_len = sizeof(struct got_imsg_tree_entries);
1475 06de99ad 2022-05-19 thomas entries_len += len;
1478 06de99ad 2022-05-19 thomas if (j > 0) {
1479 63915ee5 2022-06-23 thomas err = send_tree_entries_batch(ibuf, entries, i, j - 1,
1480 63915ee5 2022-06-23 thomas entries_len);
1481 06de99ad 2022-05-19 thomas if (err)
1482 06de99ad 2022-05-19 thomas return err;
1485 63915ee5 2022-06-23 thomas return NULL;
1488 63915ee5 2022-06-23 thomas const struct got_error *
1489 63915ee5 2022-06-23 thomas got_privsep_send_tree(struct imsgbuf *ibuf,
1490 63915ee5 2022-06-23 thomas struct got_parsed_tree_entry *entries, int nentries)
1492 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
1493 63915ee5 2022-06-23 thomas struct got_imsg_tree_object itree;
1495 63915ee5 2022-06-23 thomas itree.nentries = nentries;
1496 63915ee5 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_TREE, 0, 0, -1, &itree, sizeof(itree))
1498 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_compose TREE");
1500 63915ee5 2022-06-23 thomas err = send_tree_entries(ibuf, entries, nentries);
1501 63915ee5 2022-06-23 thomas if (err)
1502 63915ee5 2022-06-23 thomas return err;
1504 b00c9821 2018-11-04 stsp return flush_imsg(ibuf);
1508 63915ee5 2022-06-23 thomas static const struct got_error *
1509 63915ee5 2022-06-23 thomas recv_tree_entries(void *data, size_t datalen, struct got_tree_object *tree,
1510 63915ee5 2022-06-23 thomas int *nentries)
1512 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
1513 63915ee5 2022-06-23 thomas struct got_imsg_tree_entries *ientries;
1514 63915ee5 2022-06-23 thomas struct got_tree_entry *te;
1515 63915ee5 2022-06-23 thomas size_t te_offset;
1516 63915ee5 2022-06-23 thomas size_t i;
1518 63915ee5 2022-06-23 thomas if (datalen <= sizeof(*ientries) ||
1519 63915ee5 2022-06-23 thomas datalen > MAX_IMSGSIZE - IMSG_HEADER_SIZE)
1520 63915ee5 2022-06-23 thomas return got_error(GOT_ERR_PRIVSEP_LEN);
1522 63915ee5 2022-06-23 thomas ientries = (struct got_imsg_tree_entries *)data;
1523 63915ee5 2022-06-23 thomas if (ientries->nentries > INT_MAX) {
1524 63915ee5 2022-06-23 thomas return got_error_msg(GOT_ERR_NO_SPACE,
1525 63915ee5 2022-06-23 thomas "too many tree entries");
1528 63915ee5 2022-06-23 thomas te_offset = sizeof(*ientries);
1529 63915ee5 2022-06-23 thomas for (i = 0; i < ientries->nentries; i++) {
1530 63915ee5 2022-06-23 thomas struct got_imsg_tree_entry ite;
1531 63915ee5 2022-06-23 thomas const char *te_name;
1532 63915ee5 2022-06-23 thomas uint8_t *buf = (uint8_t *)data + te_offset;
1534 63915ee5 2022-06-23 thomas if (te_offset >= datalen) {
1535 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1539 63915ee5 2022-06-23 thomas /* Might not be aligned, size is ~32 bytes. */
1540 63915ee5 2022-06-23 thomas memcpy(&ite, buf, sizeof(ite));
1542 63915ee5 2022-06-23 thomas if (ite.namelen >= sizeof(te->name)) {
1543 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1546 63915ee5 2022-06-23 thomas if (te_offset + sizeof(ite) + ite.namelen > datalen) {
1547 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1551 63915ee5 2022-06-23 thomas if (*nentries >= tree->nentries) {
1552 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1555 63915ee5 2022-06-23 thomas te = &tree->entries[*nentries];
1556 63915ee5 2022-06-23 thomas te_name = buf + sizeof(ite);
1557 63915ee5 2022-06-23 thomas memcpy(te->name, te_name, ite.namelen);
1558 63915ee5 2022-06-23 thomas te->name[ite.namelen] = '\0';
1559 63915ee5 2022-06-23 thomas memcpy(te->id.sha1, ite.id, SHA1_DIGEST_LENGTH);
1560 63915ee5 2022-06-23 thomas te->mode = ite.mode;
1561 63915ee5 2022-06-23 thomas te->idx = *nentries;
1562 63915ee5 2022-06-23 thomas (*nentries)++;
1564 63915ee5 2022-06-23 thomas te_offset += sizeof(ite) + ite.namelen;
1567 63915ee5 2022-06-23 thomas return err;
1570 e033d803 2018-04-23 stsp const struct got_error *
1571 068fd2bf 2018-04-24 stsp got_privsep_recv_tree(struct got_tree_object **tree, struct imsgbuf *ibuf)
1573 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
1574 e033d803 2018-04-23 stsp const size_t min_datalen =
1575 e033d803 2018-04-23 stsp MIN(sizeof(struct got_imsg_error),
1576 e033d803 2018-04-23 stsp sizeof(struct got_imsg_tree_object));
1577 291624d8 2018-11-07 stsp struct got_imsg_tree_object *itree;
1578 e033d803 2018-04-23 stsp int nentries = 0;
1580 e033d803 2018-04-23 stsp *tree = NULL;
1582 e033d803 2018-04-23 stsp err = read_imsg(ibuf);
1584 1e51f5b9 2018-04-23 stsp goto done;
1587 e033d803 2018-04-23 stsp struct imsg imsg;
1589 e033d803 2018-04-23 stsp size_t datalen;
1591 e033d803 2018-04-23 stsp n = imsg_get(ibuf, &imsg);
1592 e033d803 2018-04-23 stsp if (n == 0) {
1593 8767bb94 2022-05-19 thomas if ((*tree)) {
1594 8767bb94 2022-05-19 thomas if (nentries < (*tree)->nentries) {
1595 8767bb94 2022-05-19 thomas err = read_imsg(ibuf);
1596 8767bb94 2022-05-19 thomas if (err)
1598 8767bb94 2022-05-19 thomas continue;
1601 8767bb94 2022-05-19 thomas } else {
1602 8767bb94 2022-05-19 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
1607 fca1f6ad 2020-08-27 stsp if (imsg.hdr.len < IMSG_HEADER_SIZE + min_datalen) {
1608 fca1f6ad 2020-08-27 stsp imsg_free(&imsg);
1609 fca1f6ad 2020-08-27 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1613 e033d803 2018-04-23 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1615 e033d803 2018-04-23 stsp switch (imsg.hdr.type) {
1616 e033d803 2018-04-23 stsp case GOT_IMSG_ERROR:
1617 e033d803 2018-04-23 stsp err = recv_imsg_error(&imsg, datalen);
1619 e033d803 2018-04-23 stsp case GOT_IMSG_TREE:
1620 e033d803 2018-04-23 stsp /* This message should only appear once. */
1621 e033d803 2018-04-23 stsp if (*tree != NULL) {
1622 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1625 291624d8 2018-11-07 stsp if (datalen != sizeof(*itree)) {
1626 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1629 291624d8 2018-11-07 stsp itree = imsg.data;
1630 ace4d4e7 2022-05-19 thomas if (itree->nentries < 0) {
1631 ace4d4e7 2022-05-19 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1634 c3b78ecc 2018-11-07 stsp *tree = malloc(sizeof(**tree));
1635 e033d803 2018-04-23 stsp if (*tree == NULL) {
1636 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1639 56e0773d 2019-11-28 stsp (*tree)->entries = calloc(itree->nentries,
1640 56e0773d 2019-11-28 stsp sizeof(struct got_tree_entry));
1641 56e0773d 2019-11-28 stsp if ((*tree)->entries == NULL) {
1642 56e0773d 2019-11-28 stsp err = got_error_from_errno("malloc");
1643 c3bacae2 2022-05-19 thomas free(*tree);
1644 c3bacae2 2022-05-19 thomas *tree = NULL;
1647 56e0773d 2019-11-28 stsp (*tree)->nentries = itree->nentries;
1648 c3b78ecc 2018-11-07 stsp (*tree)->refcnt = 0;
1650 06de99ad 2022-05-19 thomas case GOT_IMSG_TREE_ENTRIES:
1651 e033d803 2018-04-23 stsp /* This message should be preceeded by GOT_IMSG_TREE. */
1652 e033d803 2018-04-23 stsp if (*tree == NULL) {
1653 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1656 63915ee5 2022-06-23 thomas err = recv_tree_entries(imsg.data, datalen,
1657 63915ee5 2022-06-23 thomas *tree, &nentries);
1660 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1664 e033d803 2018-04-23 stsp imsg_free(&imsg);
1669 56e0773d 2019-11-28 stsp if (*tree && (*tree)->nentries != nentries) {
1670 1e51f5b9 2018-04-23 stsp if (err == NULL)
1671 1e51f5b9 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1672 e033d803 2018-04-23 stsp got_object_tree_close(*tree);
1673 e033d803 2018-04-23 stsp *tree = NULL;
1676 ff6b18f8 2018-04-24 stsp return err;
1679 ff6b18f8 2018-04-24 stsp const struct got_error *
1680 ac544f8c 2019-01-13 stsp got_privsep_send_blob(struct imsgbuf *ibuf, size_t size, size_t hdrlen,
1681 ac544f8c 2019-01-13 stsp const uint8_t *data)
1683 2967a784 2018-04-24 stsp struct got_imsg_blob iblob;
1685 2967a784 2018-04-24 stsp iblob.size = size;
1686 ebc55e2d 2018-12-24 stsp iblob.hdrlen = hdrlen;
1688 ac544f8c 2019-01-13 stsp if (data) {
1689 ac544f8c 2019-01-13 stsp uint8_t *buf;
1691 ac544f8c 2019-01-13 stsp if (size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX)
1692 ac544f8c 2019-01-13 stsp return got_error(GOT_ERR_NO_SPACE);
1694 ac544f8c 2019-01-13 stsp buf = malloc(sizeof(iblob) + size);
1695 ac544f8c 2019-01-13 stsp if (buf == NULL)
1696 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1698 ac544f8c 2019-01-13 stsp memcpy(buf, &iblob, sizeof(iblob));
1699 ac544f8c 2019-01-13 stsp memcpy(buf + sizeof(iblob), data, size);
1700 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, buf,
1701 62d463ca 2020-10-20 naddy sizeof(iblob) + size) == -1) {
1702 ac544f8c 2019-01-13 stsp free(buf);
1703 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1705 ac544f8c 2019-01-13 stsp free(buf);
1707 ac544f8c 2019-01-13 stsp /* Data has already been written to file descriptor. */
1708 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, &iblob,
1709 ac544f8c 2019-01-13 stsp sizeof(iblob)) == -1)
1710 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1714 ff6b18f8 2018-04-24 stsp return flush_imsg(ibuf);
1717 ff6b18f8 2018-04-24 stsp const struct got_error *
1718 ac544f8c 2019-01-13 stsp got_privsep_recv_blob(uint8_t **outbuf, size_t *size, size_t *hdrlen,
1719 ac544f8c 2019-01-13 stsp struct imsgbuf *ibuf)
1721 ff6b18f8 2018-04-24 stsp const struct got_error *err = NULL;
1722 ff6b18f8 2018-04-24 stsp struct imsg imsg;
1723 291624d8 2018-11-07 stsp struct got_imsg_blob *iblob;
1724 ff6b18f8 2018-04-24 stsp size_t datalen;
1726 ac544f8c 2019-01-13 stsp *outbuf = NULL;
1728 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1730 ff6b18f8 2018-04-24 stsp return err;
1732 ff6b18f8 2018-04-24 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1734 ff6b18f8 2018-04-24 stsp switch (imsg.hdr.type) {
1735 ff6b18f8 2018-04-24 stsp case GOT_IMSG_BLOB:
1736 ac544f8c 2019-01-13 stsp if (datalen < sizeof(*iblob)) {
1737 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1740 291624d8 2018-11-07 stsp iblob = imsg.data;
1741 291624d8 2018-11-07 stsp *size = iblob->size;
1742 ebc55e2d 2018-12-24 stsp *hdrlen = iblob->hdrlen;
1744 ac544f8c 2019-01-13 stsp if (datalen == sizeof(*iblob)) {
1745 ac544f8c 2019-01-13 stsp /* Data has been written to file descriptor. */
1749 31d32634 2022-06-23 thomas if (*size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX ||
1750 31d32634 2022-06-23 thomas *size > datalen + sizeof(*iblob)) {
1751 ac544f8c 2019-01-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1755 ac544f8c 2019-01-13 stsp *outbuf = malloc(*size);
1756 ac544f8c 2019-01-13 stsp if (*outbuf == NULL) {
1757 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1760 ac544f8c 2019-01-13 stsp memcpy(*outbuf, imsg.data + sizeof(*iblob), *size);
1763 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1767 f4a881ce 2018-11-17 stsp imsg_free(&imsg);
1769 f4a881ce 2018-11-17 stsp return err;
1772 f4a881ce 2018-11-17 stsp static const struct got_error *
1773 f4a881ce 2018-11-17 stsp send_tagmsg(struct imsgbuf *ibuf, struct got_tag_object *tag, size_t tagmsg_len)
1775 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1776 f4a881ce 2018-11-17 stsp size_t offset, remain;
1778 f4a881ce 2018-11-17 stsp offset = 0;
1779 f4a881ce 2018-11-17 stsp remain = tagmsg_len;
1780 f4a881ce 2018-11-17 stsp while (remain > 0) {
1781 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1783 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_TAGMSG, 0, 0, -1,
1784 f4a881ce 2018-11-17 stsp tag->tagmsg + offset, n) == -1) {
1785 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG_TAGMSG");
1789 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1793 f4a881ce 2018-11-17 stsp offset += n;
1794 f4a881ce 2018-11-17 stsp remain -= n;
1797 f4a881ce 2018-11-17 stsp return err;
1800 f4a881ce 2018-11-17 stsp const struct got_error *
1801 f4a881ce 2018-11-17 stsp got_privsep_send_tag(struct imsgbuf *ibuf, struct got_tag_object *tag)
1803 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1804 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1805 f4a881ce 2018-11-17 stsp uint8_t *buf;
1806 f4a881ce 2018-11-17 stsp size_t len, total;
1807 f4a881ce 2018-11-17 stsp size_t tag_len = strlen(tag->tag);
1808 f4a881ce 2018-11-17 stsp size_t tagger_len = strlen(tag->tagger);
1809 f4a881ce 2018-11-17 stsp size_t tagmsg_len = strlen(tag->tagmsg);
1811 f4a881ce 2018-11-17 stsp total = sizeof(*itag) + tag_len + tagger_len + tagmsg_len;
1813 f4a881ce 2018-11-17 stsp buf = malloc(total);
1814 f4a881ce 2018-11-17 stsp if (buf == NULL)
1815 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1817 f4a881ce 2018-11-17 stsp itag = (struct got_imsg_tag_object *)buf;
1818 f4a881ce 2018-11-17 stsp memcpy(itag->id, tag->id.sha1, sizeof(itag->id));
1819 f4a881ce 2018-11-17 stsp itag->obj_type = tag->obj_type;
1820 f4a881ce 2018-11-17 stsp itag->tag_len = tag_len;
1821 f4a881ce 2018-11-17 stsp itag->tagger_len = tagger_len;
1822 f4a881ce 2018-11-17 stsp itag->tagger_time = tag->tagger_time;
1823 f4a881ce 2018-11-17 stsp itag->tagger_gmtoff = tag->tagger_gmtoff;
1824 f4a881ce 2018-11-17 stsp itag->tagmsg_len = tagmsg_len;
1826 f4a881ce 2018-11-17 stsp len = sizeof(*itag);
1827 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tag, tag_len);
1828 f4a881ce 2018-11-17 stsp len += tag_len;
1829 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tagger, tagger_len);
1830 f4a881ce 2018-11-17 stsp len += tagger_len;
1832 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG, 0, 0, -1, buf, len) == -1) {
1833 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG");
1834 f4a881ce 2018-11-17 stsp goto done;
1837 f4a881ce 2018-11-17 stsp if (tagmsg_len == 0 ||
1838 f4a881ce 2018-11-17 stsp tagmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1839 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1841 f4a881ce 2018-11-17 stsp goto done;
1843 f4a881ce 2018-11-17 stsp err = send_tagmsg(ibuf, tag, tagmsg_len);
1845 f4a881ce 2018-11-17 stsp free(buf);
1846 f4a881ce 2018-11-17 stsp return err;
1849 f4a881ce 2018-11-17 stsp const struct got_error *
1850 f4a881ce 2018-11-17 stsp got_privsep_recv_tag(struct got_tag_object **tag, struct imsgbuf *ibuf)
1852 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1853 f4a881ce 2018-11-17 stsp struct imsg imsg;
1854 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1855 f4a881ce 2018-11-17 stsp size_t len, datalen;
1856 f4a881ce 2018-11-17 stsp const size_t min_datalen =
1857 f4a881ce 2018-11-17 stsp MIN(sizeof(struct got_imsg_error),
1858 f4a881ce 2018-11-17 stsp sizeof(struct got_imsg_tag_object));
1860 f4a881ce 2018-11-17 stsp *tag = NULL;
1862 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1864 f4a881ce 2018-11-17 stsp return err;
1866 f4a881ce 2018-11-17 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1869 f4a881ce 2018-11-17 stsp switch (imsg.hdr.type) {
1870 f4a881ce 2018-11-17 stsp case GOT_IMSG_TAG:
1871 f4a881ce 2018-11-17 stsp if (datalen < sizeof(*itag)) {
1872 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1875 f4a881ce 2018-11-17 stsp itag = imsg.data;
1876 f4a881ce 2018-11-17 stsp if (datalen != sizeof(*itag) + itag->tag_len +
1877 f4a881ce 2018-11-17 stsp itag->tagger_len) {
1878 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1881 f4a881ce 2018-11-17 stsp len += sizeof(*itag);
1883 f4a881ce 2018-11-17 stsp *tag = calloc(1, sizeof(**tag));
1884 f4a881ce 2018-11-17 stsp if (*tag == NULL) {
1885 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
1889 f4a881ce 2018-11-17 stsp memcpy((*tag)->id.sha1, itag->id, SHA1_DIGEST_LENGTH);
1891 79b7acf3 2022-06-23 thomas (*tag)->tag = strndup(imsg.data + len, itag->tag_len);
1892 79b7acf3 2022-06-23 thomas if ((*tag)->tag == NULL) {
1893 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1896 f4a881ce 2018-11-17 stsp len += itag->tag_len;
1898 f4a881ce 2018-11-17 stsp (*tag)->obj_type = itag->obj_type;
1899 f4a881ce 2018-11-17 stsp (*tag)->tagger_time = itag->tagger_time;
1900 f4a881ce 2018-11-17 stsp (*tag)->tagger_gmtoff = itag->tagger_gmtoff;
1902 79b7acf3 2022-06-23 thomas (*tag)->tagger = strndup(imsg.data + len, itag->tagger_len);
1903 79b7acf3 2022-06-23 thomas if ((*tag)->tagger == NULL) {
1904 79b7acf3 2022-06-23 thomas err = got_error_from_errno("strndup");
1907 f4a881ce 2018-11-17 stsp len += itag->tagger_len;
1909 f4a881ce 2018-11-17 stsp if (itag->tagmsg_len == 0) {
1910 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = strdup("");
1911 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1912 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1916 f4a881ce 2018-11-17 stsp size_t offset = 0, remain = itag->tagmsg_len;
1918 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = malloc(itag->tagmsg_len + 1);
1919 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1920 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1923 f4a881ce 2018-11-17 stsp while (remain > 0) {
1924 f4a881ce 2018-11-17 stsp struct imsg imsg_log;
1925 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1928 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1930 f4a881ce 2018-11-17 stsp return err;
1932 f4a881ce 2018-11-17 stsp if (imsg_log.hdr.type != GOT_IMSG_TAG_TAGMSG)
1933 f4a881ce 2018-11-17 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
1935 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagmsg + offset, imsg_log.data,
1937 f4a881ce 2018-11-17 stsp imsg_free(&imsg_log);
1938 f4a881ce 2018-11-17 stsp offset += n;
1939 f4a881ce 2018-11-17 stsp remain -= n;
1941 f4a881ce 2018-11-17 stsp (*tag)->tagmsg[itag->tagmsg_len] = '\0';
1946 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1950 ff6b18f8 2018-04-24 stsp imsg_free(&imsg);
1952 2178c42e 2018-04-22 stsp return err;
1955 876c234b 2018-09-10 stsp const struct got_error *
1956 876c234b 2018-09-10 stsp got_privsep_init_pack_child(struct imsgbuf *ibuf, struct got_pack *pack,
1957 876c234b 2018-09-10 stsp struct got_packidx *packidx)
1959 41496140 2019-02-21 stsp const struct got_error *err = NULL;
1960 876c234b 2018-09-10 stsp struct got_imsg_packidx ipackidx;
1961 876c234b 2018-09-10 stsp struct got_imsg_pack ipack;
1964 876c234b 2018-09-10 stsp ipackidx.len = packidx->len;
1965 c3564dfa 2021-07-15 stsp ipackidx.packfile_size = pack->filesize;
1966 876c234b 2018-09-10 stsp fd = dup(packidx->fd);
1967 876c234b 2018-09-10 stsp if (fd == -1)
1968 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1970 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKIDX, 0, 0, fd, &ipackidx,
1971 41496140 2019-02-21 stsp sizeof(ipackidx)) == -1) {
1972 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACKIDX");
1973 41496140 2019-02-21 stsp close(fd);
1974 41496140 2019-02-21 stsp return err;
1977 876c234b 2018-09-10 stsp if (strlcpy(ipack.path_packfile, pack->path_packfile,
1978 876c234b 2018-09-10 stsp sizeof(ipack.path_packfile)) >= sizeof(ipack.path_packfile))
1979 876c234b 2018-09-10 stsp return got_error(GOT_ERR_NO_SPACE);
1980 876c234b 2018-09-10 stsp ipack.filesize = pack->filesize;
1982 876c234b 2018-09-10 stsp fd = dup(pack->fd);
1983 876c234b 2018-09-10 stsp if (fd == -1)
1984 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1986 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACK, 0, 0, fd, &ipack, sizeof(ipack))
1988 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACK");
1989 41496140 2019-02-21 stsp close(fd);
1990 41496140 2019-02-21 stsp return err;
1993 876c234b 2018-09-10 stsp return flush_imsg(ibuf);
1996 876c234b 2018-09-10 stsp const struct got_error *
1997 106807b4 2018-09-15 stsp got_privsep_send_packed_obj_req(struct imsgbuf *ibuf, int idx,
1998 106807b4 2018-09-15 stsp struct got_object_id *id)
2000 876c234b 2018-09-10 stsp struct got_imsg_packed_object iobj;
2002 876c234b 2018-09-10 stsp iobj.idx = idx;
2003 106807b4 2018-09-15 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
2005 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_OBJECT_REQUEST, 0, 0, -1,
2006 876c234b 2018-09-10 stsp &iobj, sizeof(iobj)) == -1)
2007 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose "
2008 230a42bd 2019-05-11 jcs "PACKED_OBJECT_REQUEST");
2010 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2013 aba9c984 2019-09-08 stsp const struct got_error *
2014 59d1e4a0 2021-03-10 stsp got_privsep_send_packed_raw_obj_req(struct imsgbuf *ibuf, int idx,
2015 59d1e4a0 2021-03-10 stsp struct got_object_id *id)
2017 59d1e4a0 2021-03-10 stsp struct got_imsg_packed_object iobj;
2019 59d1e4a0 2021-03-10 stsp iobj.idx = idx;
2020 59d1e4a0 2021-03-10 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
2022 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_RAW_OBJECT_REQUEST, 0, 0, -1,
2023 59d1e4a0 2021-03-10 stsp &iobj, sizeof(iobj)) == -1)
2024 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose "
2025 59d1e4a0 2021-03-10 stsp "PACKED_OBJECT_REQUEST");
2027 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
2030 59d1e4a0 2021-03-10 stsp const struct got_error *
2031 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_parse_req(struct imsgbuf *ibuf, int fd)
2033 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2035 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_PARSE_REQUEST, 0, 0, fd,
2036 aba9c984 2019-09-08 stsp NULL, 0) == -1) {
2037 aba9c984 2019-09-08 stsp err = got_error_from_errno("imsg_compose "
2038 aba9c984 2019-09-08 stsp "GITCONFIG_PARSE_REQUEST");
2039 aba9c984 2019-09-08 stsp close(fd);
2040 aba9c984 2019-09-08 stsp return err;
2043 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2046 aba9c984 2019-09-08 stsp const struct got_error *
2047 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_repository_format_version_req(struct imsgbuf *ibuf)
2049 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2050 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST, 0, 0, -1,
2051 aba9c984 2019-09-08 stsp NULL, 0) == -1)
2052 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2053 aba9c984 2019-09-08 stsp "GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST");
2055 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2058 aba9c984 2019-09-08 stsp const struct got_error *
2059 20b7abb3 2020-10-22 stsp got_privsep_send_gitconfig_repository_extensions_req(struct imsgbuf *ibuf)
2061 20b7abb3 2020-10-22 stsp if (imsg_compose(ibuf,
2062 20b7abb3 2020-10-22 stsp GOT_IMSG_GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST, 0, 0, -1,
2063 20b7abb3 2020-10-22 stsp NULL, 0) == -1)
2064 20b7abb3 2020-10-22 stsp return got_error_from_errno("imsg_compose "
2065 20b7abb3 2020-10-22 stsp "GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST");
2067 20b7abb3 2020-10-22 stsp return flush_imsg(ibuf);
2071 20b7abb3 2020-10-22 stsp const struct got_error *
2072 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_name_req(struct imsgbuf *ibuf)
2074 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2075 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_NAME_REQUEST, 0, 0, -1, NULL, 0) == -1)
2076 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2077 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_NAME_REQUEST");
2079 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2082 aba9c984 2019-09-08 stsp const struct got_error *
2083 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_email_req(struct imsgbuf *ibuf)
2085 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2086 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_EMAIL_REQUEST, 0, 0, -1, NULL, 0) == -1)
2087 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2088 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_EMAIL_REQUEST");
2090 cd95becd 2019-11-29 stsp return flush_imsg(ibuf);
2093 cd95becd 2019-11-29 stsp const struct got_error *
2094 cd95becd 2019-11-29 stsp got_privsep_send_gitconfig_remotes_req(struct imsgbuf *ibuf)
2096 cd95becd 2019-11-29 stsp if (imsg_compose(ibuf,
2097 cd95becd 2019-11-29 stsp GOT_IMSG_GITCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2098 cd95becd 2019-11-29 stsp return got_error_from_errno("imsg_compose "
2099 cd95becd 2019-11-29 stsp "GITCONFIG_REMOTE_REQUEST");
2101 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2104 aba9c984 2019-09-08 stsp const struct got_error *
2105 9a1cc63f 2020-02-03 stsp got_privsep_send_gitconfig_owner_req(struct imsgbuf *ibuf)
2107 9a1cc63f 2020-02-03 stsp if (imsg_compose(ibuf,
2108 9a1cc63f 2020-02-03 stsp GOT_IMSG_GITCONFIG_OWNER_REQUEST, 0, 0, -1, NULL, 0) == -1)
2109 9a1cc63f 2020-02-03 stsp return got_error_from_errno("imsg_compose "
2110 9a1cc63f 2020-02-03 stsp "GITCONFIG_OWNER_REQUEST");
2112 9a1cc63f 2020-02-03 stsp return flush_imsg(ibuf);
2115 9a1cc63f 2020-02-03 stsp const struct got_error *
2116 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_str(char **str, struct imsgbuf *ibuf)
2118 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2119 aba9c984 2019-09-08 stsp struct imsg imsg;
2120 aba9c984 2019-09-08 stsp size_t datalen;
2122 aba9c984 2019-09-08 stsp *str = NULL;
2124 12a8238e 2022-06-23 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2126 aba9c984 2019-09-08 stsp return err;
2127 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2129 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2130 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_STR_VAL:
2131 aba9c984 2019-09-08 stsp if (datalen == 0)
2133 6c13dcd2 2020-09-18 stsp /* datalen does not include terminating \0 */
2134 6c13dcd2 2020-09-18 stsp *str = malloc(datalen + 1);
2135 aba9c984 2019-09-08 stsp if (*str == NULL) {
2136 aba9c984 2019-09-08 stsp err = got_error_from_errno("malloc");
2139 6c13dcd2 2020-09-18 stsp memcpy(*str, imsg.data, datalen);
2140 6c13dcd2 2020-09-18 stsp (*str)[datalen] = '\0';
2143 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2147 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2148 aba9c984 2019-09-08 stsp return err;
2151 aba9c984 2019-09-08 stsp const struct got_error *
2152 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_int(int *val, struct imsgbuf *ibuf)
2154 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2155 aba9c984 2019-09-08 stsp struct imsg imsg;
2156 aba9c984 2019-09-08 stsp size_t datalen;
2157 aba9c984 2019-09-08 stsp const size_t min_datalen =
2158 aba9c984 2019-09-08 stsp MIN(sizeof(struct got_imsg_error), sizeof(int));
2162 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2164 aba9c984 2019-09-08 stsp return err;
2165 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2167 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2168 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_INT_VAL:
2169 aba9c984 2019-09-08 stsp if (datalen != sizeof(*val)) {
2170 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2173 aba9c984 2019-09-08 stsp memcpy(val, imsg.data, sizeof(*val));
2176 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2180 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2181 cd95becd 2019-11-29 stsp return err;
2184 b8adfa55 2020-09-25 stsp static void
2185 b8adfa55 2020-09-25 stsp free_remote_data(struct got_remote_repo *remote)
2189 b8adfa55 2020-09-25 stsp free(remote->name);
2190 6480c871 2021-08-30 stsp free(remote->fetch_url);
2191 6480c871 2021-08-30 stsp free(remote->send_url);
2192 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_branches; i++)
2193 6480c871 2021-08-30 stsp free(remote->fetch_branches[i]);
2194 6480c871 2021-08-30 stsp free(remote->fetch_branches);
2195 6480c871 2021-08-30 stsp for (i = 0; i < remote->nsend_branches; i++)
2196 6480c871 2021-08-30 stsp free(remote->send_branches[i]);
2197 6480c871 2021-08-30 stsp free(remote->send_branches);
2198 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_refs; i++)
2199 6480c871 2021-08-30 stsp free(remote->fetch_refs[i]);
2200 6480c871 2021-08-30 stsp free(remote->fetch_refs);
2203 cd95becd 2019-11-29 stsp const struct got_error *
2204 cd95becd 2019-11-29 stsp got_privsep_recv_gitconfig_remotes(struct got_remote_repo **remotes,
2205 cd95becd 2019-11-29 stsp int *nremotes, struct imsgbuf *ibuf)
2207 cd95becd 2019-11-29 stsp const struct got_error *err = NULL;
2208 cd95becd 2019-11-29 stsp struct imsg imsg;
2209 cd95becd 2019-11-29 stsp size_t datalen;
2210 cd95becd 2019-11-29 stsp struct got_imsg_remotes iremotes;
2211 cd95becd 2019-11-29 stsp struct got_imsg_remote iremote;
2213 cd95becd 2019-11-29 stsp *remotes = NULL;
2214 cd95becd 2019-11-29 stsp *nremotes = 0;
2215 d669b9c9 2020-02-22 stsp iremotes.nremotes = 0;
2217 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremotes));
2219 cd95becd 2019-11-29 stsp return err;
2220 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2222 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2223 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTES:
2224 cd95becd 2019-11-29 stsp if (datalen != sizeof(iremotes)) {
2225 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2228 cd95becd 2019-11-29 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2229 cd95becd 2019-11-29 stsp if (iremotes.nremotes == 0) {
2230 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2231 cd95becd 2019-11-29 stsp return NULL;
2235 54b1c5b5 2020-02-22 stsp imsg_free(&imsg);
2236 54b1c5b5 2020-02-22 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2239 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2241 5146eb39 2020-03-20 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2242 cd95becd 2019-11-29 stsp if (*remotes == NULL)
2243 cd95becd 2019-11-29 stsp return got_error_from_errno("recallocarray");
2245 cd95becd 2019-11-29 stsp while (*nremotes < iremotes.nremotes) {
2246 cd95becd 2019-11-29 stsp struct got_remote_repo *remote;
2248 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremote));
2251 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2253 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2254 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTE:
2255 cd95becd 2019-11-29 stsp remote = &(*remotes)[*nremotes];
2256 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2257 cd95becd 2019-11-29 stsp if (datalen < sizeof(iremote)) {
2258 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2261 cd95becd 2019-11-29 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2262 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2263 6480c871 2021-08-30 stsp iremote.fetch_url_len == 0 ||
2264 6480c871 2021-08-30 stsp iremote.send_url_len == 0 ||
2265 cd95becd 2019-11-29 stsp (sizeof(iremote) + iremote.name_len +
2266 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) > datalen) {
2267 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2270 cd95becd 2019-11-29 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2271 cd95becd 2019-11-29 stsp iremote.name_len);
2272 cd95becd 2019-11-29 stsp if (remote->name == NULL) {
2273 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2276 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data + sizeof(iremote) +
2277 6480c871 2021-08-30 stsp iremote.name_len, iremote.fetch_url_len);
2278 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2279 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2280 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2283 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data + sizeof(iremote) +
2284 6480c871 2021-08-30 stsp iremote.name_len + iremote.fetch_url_len,
2285 6480c871 2021-08-30 stsp iremote.send_url_len);
2286 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2287 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2288 6480c871 2021-08-30 stsp free_remote_data(remote);
2291 469dd726 2020-03-20 stsp remote->mirror_references = iremote.mirror_references;
2292 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2293 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2294 6480c871 2021-08-30 stsp remote->fetch_branches = NULL;
2295 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2296 6480c871 2021-08-30 stsp remote->send_branches = NULL;
2297 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2298 6480c871 2021-08-30 stsp remote->fetch_refs = NULL;
2299 cd95becd 2019-11-29 stsp (*nremotes)++;
2302 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2306 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2311 cd95becd 2019-11-29 stsp if (err) {
2313 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2314 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2315 cd95becd 2019-11-29 stsp free(*remotes);
2316 cd95becd 2019-11-29 stsp *remotes = NULL;
2317 cd95becd 2019-11-29 stsp *nremotes = 0;
2319 aba9c984 2019-09-08 stsp return err;
2322 257add31 2020-09-09 stsp const struct got_error *
2323 257add31 2020-09-09 stsp got_privsep_send_gotconfig_parse_req(struct imsgbuf *ibuf, int fd)
2325 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2327 257add31 2020-09-09 stsp if (imsg_compose(ibuf, GOT_IMSG_GOTCONFIG_PARSE_REQUEST, 0, 0, fd,
2328 257add31 2020-09-09 stsp NULL, 0) == -1) {
2329 257add31 2020-09-09 stsp err = got_error_from_errno("imsg_compose "
2330 257add31 2020-09-09 stsp "GOTCONFIG_PARSE_REQUEST");
2331 257add31 2020-09-09 stsp close(fd);
2332 257add31 2020-09-09 stsp return err;
2335 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2338 257add31 2020-09-09 stsp const struct got_error *
2339 257add31 2020-09-09 stsp got_privsep_send_gotconfig_author_req(struct imsgbuf *ibuf)
2341 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2342 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_AUTHOR_REQUEST, 0, 0, -1, NULL, 0) == -1)
2343 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2344 257add31 2020-09-09 stsp "GOTCONFIG_AUTHOR_REQUEST");
2346 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2349 ca6e02ac 2020-01-07 stsp const struct got_error *
2350 257add31 2020-09-09 stsp got_privsep_send_gotconfig_remotes_req(struct imsgbuf *ibuf)
2352 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2353 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2354 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2355 257add31 2020-09-09 stsp "GOTCONFIG_REMOTE_REQUEST");
2357 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2360 257add31 2020-09-09 stsp const struct got_error *
2361 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_str(char **str, struct imsgbuf *ibuf)
2363 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2364 257add31 2020-09-09 stsp struct imsg imsg;
2365 257add31 2020-09-09 stsp size_t datalen;
2367 257add31 2020-09-09 stsp *str = NULL;
2369 12a8238e 2022-06-23 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2371 257add31 2020-09-09 stsp return err;
2372 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2374 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2375 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2376 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2378 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_STR_VAL:
2379 257add31 2020-09-09 stsp if (datalen == 0)
2381 5874ea87 2020-09-18 stsp /* datalen does not include terminating \0 */
2382 5874ea87 2020-09-18 stsp *str = malloc(datalen + 1);
2383 257add31 2020-09-09 stsp if (*str == NULL) {
2384 257add31 2020-09-09 stsp err = got_error_from_errno("malloc");
2387 5874ea87 2020-09-18 stsp memcpy(*str, imsg.data, datalen);
2388 5874ea87 2020-09-18 stsp (*str)[datalen] = '\0';
2391 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2395 257add31 2020-09-09 stsp imsg_free(&imsg);
2396 257add31 2020-09-09 stsp return err;
2399 257add31 2020-09-09 stsp const struct got_error *
2400 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_remotes(struct got_remote_repo **remotes,
2401 257add31 2020-09-09 stsp int *nremotes, struct imsgbuf *ibuf)
2403 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2404 257add31 2020-09-09 stsp struct imsg imsg;
2405 257add31 2020-09-09 stsp size_t datalen;
2406 257add31 2020-09-09 stsp struct got_imsg_remotes iremotes;
2407 257add31 2020-09-09 stsp struct got_imsg_remote iremote;
2408 257add31 2020-09-09 stsp const size_t min_datalen =
2409 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremotes));
2411 257add31 2020-09-09 stsp *remotes = NULL;
2412 257add31 2020-09-09 stsp *nremotes = 0;
2413 257add31 2020-09-09 stsp iremotes.nremotes = 0;
2415 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2417 257add31 2020-09-09 stsp return err;
2418 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2420 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2421 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2422 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2424 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTES:
2425 257add31 2020-09-09 stsp if (datalen != sizeof(iremotes)) {
2426 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2429 257add31 2020-09-09 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2430 31d32634 2022-06-23 thomas if (iremotes.nremotes < 0) {
2431 31d32634 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2434 257add31 2020-09-09 stsp if (iremotes.nremotes == 0) {
2435 257add31 2020-09-09 stsp imsg_free(&imsg);
2436 257add31 2020-09-09 stsp return NULL;
2440 257add31 2020-09-09 stsp imsg_free(&imsg);
2441 257add31 2020-09-09 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2444 257add31 2020-09-09 stsp imsg_free(&imsg);
2446 257add31 2020-09-09 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2447 257add31 2020-09-09 stsp if (*remotes == NULL)
2448 257add31 2020-09-09 stsp return got_error_from_errno("recallocarray");
2450 257add31 2020-09-09 stsp while (*nremotes < iremotes.nremotes) {
2451 257add31 2020-09-09 stsp struct got_remote_repo *remote;
2452 257add31 2020-09-09 stsp const size_t min_datalen =
2453 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremote));
2456 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2459 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2461 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2462 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2463 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2465 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTE:
2466 257add31 2020-09-09 stsp remote = &(*remotes)[*nremotes];
2467 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2468 257add31 2020-09-09 stsp if (datalen < sizeof(iremote)) {
2469 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2472 257add31 2020-09-09 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2473 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2474 6480c871 2021-08-30 stsp (iremote.fetch_url_len == 0 &&
2475 6480c871 2021-08-30 stsp iremote.send_url_len == 0) ||
2476 257add31 2020-09-09 stsp (sizeof(iremote) + iremote.name_len +
2477 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) >
2478 6480c871 2021-08-30 stsp datalen) {
2479 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2482 257add31 2020-09-09 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2483 257add31 2020-09-09 stsp iremote.name_len);
2484 257add31 2020-09-09 stsp if (remote->name == NULL) {
2485 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2488 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data +
2489 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len,
2490 6480c871 2021-08-30 stsp iremote.fetch_url_len);
2491 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2492 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2493 6480c871 2021-08-30 stsp free_remote_data(remote);
2496 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data +
2497 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len +
2498 6480c871 2021-08-30 stsp iremote.fetch_url_len, iremote.send_url_len);
2499 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2500 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2501 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2504 257add31 2020-09-09 stsp remote->mirror_references = iremote.mirror_references;
2505 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2506 6480c871 2021-08-30 stsp if (iremote.nfetch_branches > 0) {
2507 6480c871 2021-08-30 stsp remote->fetch_branches = recallocarray(NULL, 0,
2508 6480c871 2021-08-30 stsp iremote.nfetch_branches, sizeof(char *));
2509 6480c871 2021-08-30 stsp if (remote->fetch_branches == NULL) {
2510 b8adfa55 2020-09-25 stsp err = got_error_from_errno("calloc");
2511 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2515 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2516 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_branches; i++) {
2517 b8adfa55 2020-09-25 stsp char *branch;
2518 b8adfa55 2020-09-25 stsp err = got_privsep_recv_gotconfig_str(&branch,
2520 b8adfa55 2020-09-25 stsp if (err) {
2521 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2522 b8adfa55 2020-09-25 stsp goto done;
2524 6480c871 2021-08-30 stsp remote->fetch_branches[i] = branch;
2525 6480c871 2021-08-30 stsp remote->nfetch_branches++;
2527 6480c871 2021-08-30 stsp if (iremote.nsend_branches > 0) {
2528 6480c871 2021-08-30 stsp remote->send_branches = recallocarray(NULL, 0,
2529 6480c871 2021-08-30 stsp iremote.nsend_branches, sizeof(char *));
2530 6480c871 2021-08-30 stsp if (remote->send_branches == NULL) {
2531 99495ddb 2021-01-10 stsp err = got_error_from_errno("calloc");
2532 99495ddb 2021-01-10 stsp free_remote_data(remote);
2536 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2537 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nsend_branches; i++) {
2538 6480c871 2021-08-30 stsp char *branch;
2539 6480c871 2021-08-30 stsp err = got_privsep_recv_gotconfig_str(&branch,
2541 6480c871 2021-08-30 stsp if (err) {
2542 6480c871 2021-08-30 stsp free_remote_data(remote);
2543 6480c871 2021-08-30 stsp goto done;
2545 6480c871 2021-08-30 stsp remote->send_branches[i] = branch;
2546 6480c871 2021-08-30 stsp remote->nsend_branches++;
2548 6480c871 2021-08-30 stsp if (iremote.nfetch_refs > 0) {
2549 6480c871 2021-08-30 stsp remote->fetch_refs = recallocarray(NULL, 0,
2550 6480c871 2021-08-30 stsp iremote.nfetch_refs, sizeof(char *));
2551 6480c871 2021-08-30 stsp if (remote->fetch_refs == NULL) {
2552 6480c871 2021-08-30 stsp err = got_error_from_errno("calloc");
2553 6480c871 2021-08-30 stsp free_remote_data(remote);
2557 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2558 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_refs; i++) {
2559 99495ddb 2021-01-10 stsp char *ref;
2560 99495ddb 2021-01-10 stsp err = got_privsep_recv_gotconfig_str(&ref,
2562 99495ddb 2021-01-10 stsp if (err) {
2563 99495ddb 2021-01-10 stsp free_remote_data(remote);
2564 99495ddb 2021-01-10 stsp goto done;
2566 6480c871 2021-08-30 stsp remote->fetch_refs[i] = ref;
2567 6480c871 2021-08-30 stsp remote->nfetch_refs++;
2569 257add31 2020-09-09 stsp (*nremotes)++;
2572 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2576 257add31 2020-09-09 stsp imsg_free(&imsg);
2581 257add31 2020-09-09 stsp if (err) {
2583 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2584 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2585 257add31 2020-09-09 stsp free(*remotes);
2586 257add31 2020-09-09 stsp *remotes = NULL;
2587 257add31 2020-09-09 stsp *nremotes = 0;
2589 257add31 2020-09-09 stsp return err;
2592 257add31 2020-09-09 stsp const struct got_error *
2593 ca6e02ac 2020-01-07 stsp got_privsep_send_commit_traversal_request(struct imsgbuf *ibuf,
2594 abc59930 2021-09-05 naddy struct got_object_id *id, int idx, const char *path)
2596 ca6e02ac 2020-01-07 stsp struct ibuf *wbuf;
2597 ca6e02ac 2020-01-07 stsp size_t path_len = strlen(path) + 1;
2599 ca6e02ac 2020-01-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_COMMIT_TRAVERSAL_REQUEST, 0, 0,
2600 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_traversal_request) + path_len);
2601 ca6e02ac 2020-01-07 stsp if (wbuf == NULL)
2602 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
2603 ca6e02ac 2020-01-07 stsp "imsg_create COMMIT_TRAVERSAL_REQUEST");
2604 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1)
2605 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add "
2606 e9f1a409 2022-05-19 thomas "COMMIT_TRAVERSAL_REQUEST");
2607 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &idx, sizeof(idx)) == -1)
2608 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add "
2609 e9f1a409 2022-05-19 thomas "COMMIT_TRAVERSAL_REQUEST");
2610 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, path, path_len) == -1)
2611 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add "
2612 e9f1a409 2022-05-19 thomas "COMMIT_TRAVERSAL_REQUEST");
2614 ca6e02ac 2020-01-07 stsp wbuf->fd = -1;
2615 ca6e02ac 2020-01-07 stsp imsg_close(ibuf, wbuf);
2617 ca6e02ac 2020-01-07 stsp return flush_imsg(ibuf);
2620 ca6e02ac 2020-01-07 stsp const struct got_error *
2621 ca6e02ac 2020-01-07 stsp got_privsep_recv_traversed_commits(struct got_commit_object **changed_commit,
2622 ca6e02ac 2020-01-07 stsp struct got_object_id **changed_commit_id,
2623 ca6e02ac 2020-01-07 stsp struct got_object_id_queue *commit_ids, struct imsgbuf *ibuf)
2625 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
2626 ca6e02ac 2020-01-07 stsp struct imsg imsg;
2627 ca6e02ac 2020-01-07 stsp struct got_imsg_traversed_commits *icommits;
2628 ca6e02ac 2020-01-07 stsp size_t datalen;
2629 ca6e02ac 2020-01-07 stsp int i, done = 0;
2631 ca6e02ac 2020-01-07 stsp *changed_commit = NULL;
2632 ca6e02ac 2020-01-07 stsp *changed_commit_id = NULL;
2634 ca6e02ac 2020-01-07 stsp while (!done) {
2635 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2637 ca6e02ac 2020-01-07 stsp return err;
2639 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2640 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
2641 ca6e02ac 2020-01-07 stsp case GOT_IMSG_TRAVERSED_COMMITS:
2642 ca6e02ac 2020-01-07 stsp icommits = imsg.data;
2643 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommits) +
2644 ca6e02ac 2020-01-07 stsp icommits->ncommits * SHA1_DIGEST_LENGTH) {
2645 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2648 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommits->ncommits; i++) {
2649 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
2650 ca6e02ac 2020-01-07 stsp uint8_t *sha1 = (uint8_t *)imsg.data +
2651 ca6e02ac 2020-01-07 stsp sizeof(*icommits) + i * SHA1_DIGEST_LENGTH;
2652 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
2655 ec242592 2022-04-22 thomas memcpy(qid->id.sha1, sha1, SHA1_DIGEST_LENGTH);
2656 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(commit_ids, qid, entry);
2658 ca6e02ac 2020-01-07 stsp /* The last commit may contain a change. */
2659 ca6e02ac 2020-01-07 stsp if (i == icommits->ncommits - 1) {
2660 ca6e02ac 2020-01-07 stsp *changed_commit_id =
2661 ec242592 2022-04-22 thomas got_object_id_dup(&qid->id);
2662 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2663 ca6e02ac 2020-01-07 stsp err = got_error_from_errno(
2664 ca6e02ac 2020-01-07 stsp "got_object_id_dup");
2670 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
2671 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2672 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2675 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(changed_commit, &imsg,
2676 ca6e02ac 2020-01-07 stsp datalen, ibuf);
2678 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT_TRAVERSAL_DONE:
2682 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2686 ca6e02ac 2020-01-07 stsp imsg_free(&imsg);
2692 ca6e02ac 2020-01-07 stsp got_object_id_queue_free(commit_ids);
2693 ca6e02ac 2020-01-07 stsp return err;
2696 63915ee5 2022-06-23 thomas const struct got_error *
2697 63915ee5 2022-06-23 thomas got_privsep_send_enumerated_tree(size_t *totlen, struct imsgbuf *ibuf,
2698 63915ee5 2022-06-23 thomas struct got_object_id *tree_id, const char *path,
2699 63915ee5 2022-06-23 thomas struct got_parsed_tree_entry *entries, int nentries)
2701 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
2702 63915ee5 2022-06-23 thomas struct ibuf *wbuf;
2703 63915ee5 2022-06-23 thomas size_t path_len = strlen(path);
2704 63915ee5 2022-06-23 thomas size_t msglen;
2706 63915ee5 2022-06-23 thomas msglen = sizeof(struct got_imsg_enumerated_tree) + path_len;
2707 63915ee5 2022-06-23 thomas wbuf = imsg_create(ibuf, GOT_IMSG_ENUMERATED_TREE, 0, 0, msglen);
2708 63915ee5 2022-06-23 thomas if (wbuf == NULL)
2709 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_create ENUMERATED_TREE");
2711 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, tree_id->sha1, SHA1_DIGEST_LENGTH) == -1)
2712 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_TREE");
2713 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, &nentries, sizeof(nentries)) == -1)
2714 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_TREE");
2715 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, path, path_len) == -1)
2716 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_TREE");
2718 63915ee5 2022-06-23 thomas wbuf->fd = -1;
2719 63915ee5 2022-06-23 thomas imsg_close(ibuf, wbuf);
2721 63915ee5 2022-06-23 thomas if (entries) {
2722 63915ee5 2022-06-23 thomas err = send_tree_entries(ibuf, entries, nentries);
2723 63915ee5 2022-06-23 thomas if (err)
2724 63915ee5 2022-06-23 thomas return err;
2727 63915ee5 2022-06-23 thomas return flush_imsg(ibuf);
2730 f9c2e8e5 2022-02-13 thomas const struct got_error *
2731 63915ee5 2022-06-23 thomas got_privsep_send_object_enumeration_request(struct imsgbuf *ibuf)
2733 63915ee5 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_REQUEST,
2734 63915ee5 2022-06-23 thomas 0, 0, -1, NULL, 0) == -1)
2735 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_compose "
2736 63915ee5 2022-06-23 thomas "OBJECT_ENUMERATION_REQUEST");
2738 63915ee5 2022-06-23 thomas return flush_imsg(ibuf);
2741 63915ee5 2022-06-23 thomas const struct got_error *
2742 63915ee5 2022-06-23 thomas got_privsep_send_object_enumeration_done(struct imsgbuf *ibuf)
2744 63915ee5 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_DONE,
2745 63915ee5 2022-06-23 thomas 0, 0, -1, NULL, 0) == -1)
2746 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_compose "
2747 63915ee5 2022-06-23 thomas "OBJECT_ENUMERATION_DONE");
2749 63915ee5 2022-06-23 thomas return flush_imsg(ibuf);
2752 63915ee5 2022-06-23 thomas const struct got_error *
2753 e71f1e62 2022-06-23 thomas got_privsep_send_object_enumeration_incomplete(struct imsgbuf *ibuf)
2755 e71f1e62 2022-06-23 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_INCOMPLETE,
2756 e71f1e62 2022-06-23 thomas 0, 0, -1, NULL, 0) == -1)
2757 e71f1e62 2022-06-23 thomas return got_error_from_errno("imsg_compose "
2758 e71f1e62 2022-06-23 thomas "OBJECT_ENUMERATION_INCOMPLETE");
2760 e71f1e62 2022-06-23 thomas return flush_imsg(ibuf);
2763 e71f1e62 2022-06-23 thomas const struct got_error *
2764 63915ee5 2022-06-23 thomas got_privsep_send_enumerated_commit(struct imsgbuf *ibuf,
2765 63915ee5 2022-06-23 thomas struct got_object_id *id, time_t mtime)
2767 63915ee5 2022-06-23 thomas struct ibuf *wbuf;
2769 63915ee5 2022-06-23 thomas wbuf = imsg_create(ibuf, GOT_IMSG_ENUMERATED_COMMIT, 0, 0,
2770 63915ee5 2022-06-23 thomas sizeof(struct got_imsg_enumerated_commit) + SHA1_DIGEST_LENGTH);
2771 63915ee5 2022-06-23 thomas if (wbuf == NULL)
2772 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_create ENUMERATED_COMMIT");
2774 63915ee5 2022-06-23 thomas /* Keep in sync with struct got_imsg_enumerated_commit! */
2775 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, id, SHA1_DIGEST_LENGTH) == -1)
2776 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_COMMIT");
2777 63915ee5 2022-06-23 thomas if (imsg_add(wbuf, &mtime, sizeof(mtime)) == -1)
2778 63915ee5 2022-06-23 thomas return got_error_from_errno("imsg_add ENUMERATED_COMMIT");
2780 63915ee5 2022-06-23 thomas wbuf->fd = -1;
2781 63915ee5 2022-06-23 thomas imsg_close(ibuf, wbuf);
2782 63915ee5 2022-06-23 thomas /* Don't flush yet, tree entries or ENUMERATION_DONE will follow. */
2783 63915ee5 2022-06-23 thomas return NULL;
2786 63915ee5 2022-06-23 thomas const struct got_error *
2787 e71f1e62 2022-06-23 thomas got_privsep_recv_enumerated_objects(int *found_all_objects,
2788 e71f1e62 2022-06-23 thomas struct imsgbuf *ibuf,
2789 63915ee5 2022-06-23 thomas got_object_enumerate_commit_cb cb_commit,
2790 63915ee5 2022-06-23 thomas got_object_enumerate_tree_cb cb_tree, void *cb_arg,
2791 63915ee5 2022-06-23 thomas struct got_repository *repo)
2793 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
2794 63915ee5 2022-06-23 thomas struct imsg imsg;
2795 63915ee5 2022-06-23 thomas struct got_imsg_enumerated_commit *icommit = NULL;
2796 63915ee5 2022-06-23 thomas struct got_object_id commit_id;
2797 63915ee5 2022-06-23 thomas int have_commit = 0;
2798 63915ee5 2022-06-23 thomas time_t mtime = 0;
2799 63915ee5 2022-06-23 thomas struct got_tree_object tree;
2800 63915ee5 2022-06-23 thomas struct got_imsg_enumerated_tree *itree;
2801 63915ee5 2022-06-23 thomas struct got_object_id tree_id;
2802 63915ee5 2022-06-23 thomas char *path = NULL, *canon_path = NULL;
2803 63915ee5 2022-06-23 thomas size_t datalen, path_len;
2804 63915ee5 2022-06-23 thomas int nentries = -1;
2805 63915ee5 2022-06-23 thomas int done = 0;
2807 e71f1e62 2022-06-23 thomas *found_all_objects = 0;
2808 63915ee5 2022-06-23 thomas memset(&tree, 0, sizeof(tree));
2810 63915ee5 2022-06-23 thomas while (!done) {
2811 63915ee5 2022-06-23 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2812 63915ee5 2022-06-23 thomas if (err)
2815 63915ee5 2022-06-23 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2816 63915ee5 2022-06-23 thomas switch (imsg.hdr.type) {
2817 77402035 2022-06-23 thomas case GOT_IMSG_ENUMERATED_COMMIT:
2818 63915ee5 2022-06-23 thomas if (have_commit && nentries != -1) {
2819 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2822 63915ee5 2022-06-23 thomas if (datalen != sizeof(*icommit)) {
2823 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2826 63915ee5 2022-06-23 thomas icommit = (struct got_imsg_enumerated_commit *)imsg.data;
2827 63915ee5 2022-06-23 thomas memcpy(commit_id.sha1, icommit->id, SHA1_DIGEST_LENGTH);
2828 63915ee5 2022-06-23 thomas mtime = icommit->mtime;
2829 63915ee5 2022-06-23 thomas have_commit = 1;
2831 63915ee5 2022-06-23 thomas case GOT_IMSG_ENUMERATED_TREE:
2832 63915ee5 2022-06-23 thomas /* Should be preceeded by GOT_IMSG_ENUMERATED_COMMIT. */
2833 63915ee5 2022-06-23 thomas if (!have_commit) {
2834 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2837 63915ee5 2022-06-23 thomas if (datalen < sizeof(*itree)) {
2838 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2841 63915ee5 2022-06-23 thomas itree = imsg.data;
2842 63915ee5 2022-06-23 thomas path_len = datalen - sizeof(*itree);
2843 63915ee5 2022-06-23 thomas if (path_len == 0) {
2844 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2847 63915ee5 2022-06-23 thomas memcpy(tree_id.sha1, itree->id, sizeof(tree_id.sha1));
2848 63915ee5 2022-06-23 thomas free(path);
2849 63915ee5 2022-06-23 thomas path = malloc(path_len + 1);
2850 63915ee5 2022-06-23 thomas if (path == NULL) {
2851 63915ee5 2022-06-23 thomas err = got_error_from_errno("malloc");
2854 63915ee5 2022-06-23 thomas free(canon_path);
2855 63915ee5 2022-06-23 thomas canon_path = malloc(path_len + 1);
2856 63915ee5 2022-06-23 thomas if (canon_path == NULL) {
2857 63915ee5 2022-06-23 thomas err = got_error_from_errno("malloc");
2860 63915ee5 2022-06-23 thomas memcpy(path, (uint8_t *)imsg.data + sizeof(*itree),
2861 63915ee5 2022-06-23 thomas path_len);
2862 63915ee5 2022-06-23 thomas path[path_len] = '\0';
2863 63915ee5 2022-06-23 thomas if (!got_path_is_absolute(path)) {
2864 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_BAD_PATH);
2867 63915ee5 2022-06-23 thomas if (got_path_is_root_dir(path)) {
2868 63915ee5 2022-06-23 thomas /* XXX check what got_canonpath() does wrong */
2869 63915ee5 2022-06-23 thomas canon_path[0] = '/';
2870 63915ee5 2022-06-23 thomas canon_path[1] = '\0';
2871 63915ee5 2022-06-23 thomas } else {
2872 63915ee5 2022-06-23 thomas err = got_canonpath(path, canon_path,
2873 63915ee5 2022-06-23 thomas path_len + 1);
2874 63915ee5 2022-06-23 thomas if (err)
2877 63915ee5 2022-06-23 thomas if (strcmp(path, canon_path) != 0) {
2878 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_BAD_PATH);
2881 63915ee5 2022-06-23 thomas if (nentries != -1) {
2882 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2885 63915ee5 2022-06-23 thomas if (itree->nentries < -1) {
2886 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2889 63915ee5 2022-06-23 thomas if (itree->nentries == -1) {
2890 63915ee5 2022-06-23 thomas /* Tree was not found in pack file. */
2891 63915ee5 2022-06-23 thomas done = 1;
2892 63915ee5 2022-06-23 thomas err = cb_tree(cb_arg, NULL, mtime, &tree_id,
2893 63915ee5 2022-06-23 thomas path, repo);
2896 63915ee5 2022-06-23 thomas if (itree->nentries > INT_MAX) {
2897 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2900 63915ee5 2022-06-23 thomas tree.entries = calloc(itree->nentries,
2901 63915ee5 2022-06-23 thomas sizeof(struct got_tree_entry));
2902 63915ee5 2022-06-23 thomas if (tree.entries == NULL) {
2903 63915ee5 2022-06-23 thomas err = got_error_from_errno("calloc");
2906 63915ee5 2022-06-23 thomas if (itree->nentries == 0) {
2907 63915ee5 2022-06-23 thomas err = cb_tree(cb_arg, &tree, mtime, &tree_id,
2908 63915ee5 2022-06-23 thomas path, repo);
2909 63915ee5 2022-06-23 thomas if (err)
2912 63915ee5 2022-06-23 thomas /* Prepare for next tree. */
2913 63915ee5 2022-06-23 thomas free(tree.entries);
2914 63915ee5 2022-06-23 thomas memset(&tree, 0, sizeof(tree));
2915 63915ee5 2022-06-23 thomas nentries = -1;
2916 63915ee5 2022-06-23 thomas } else {
2917 63915ee5 2022-06-23 thomas tree.nentries = itree->nentries;
2918 63915ee5 2022-06-23 thomas nentries = 0;
2921 63915ee5 2022-06-23 thomas case GOT_IMSG_TREE_ENTRIES:
2922 63915ee5 2022-06-23 thomas /* Should be preceeded by GOT_IMSG_ENUMERATED_TREE. */
2923 63915ee5 2022-06-23 thomas if (nentries <= -1) {
2924 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2927 63915ee5 2022-06-23 thomas err = recv_tree_entries(imsg.data, datalen,
2928 63915ee5 2022-06-23 thomas &tree, &nentries);
2929 63915ee5 2022-06-23 thomas if (err)
2931 63915ee5 2022-06-23 thomas if (tree.nentries == nentries) {
2932 63915ee5 2022-06-23 thomas err = cb_tree(cb_arg, &tree, mtime, &tree_id,
2933 63915ee5 2022-06-23 thomas path, repo);
2934 63915ee5 2022-06-23 thomas if (err)
2937 63915ee5 2022-06-23 thomas /* Prepare for next tree. */
2938 63915ee5 2022-06-23 thomas free(tree.entries);
2939 63915ee5 2022-06-23 thomas memset(&tree, 0, sizeof(tree));
2940 63915ee5 2022-06-23 thomas nentries = -1;
2943 63915ee5 2022-06-23 thomas case GOT_IMSG_TREE_ENUMERATION_DONE:
2944 63915ee5 2022-06-23 thomas /* All trees have been found and traversed. */
2945 63915ee5 2022-06-23 thomas if (!have_commit || path == NULL || nentries != -1) {
2946 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2949 63915ee5 2022-06-23 thomas err = cb_commit(cb_arg, mtime, &commit_id, repo);
2950 63915ee5 2022-06-23 thomas if (err)
2952 63915ee5 2022-06-23 thomas have_commit = 0;
2954 63915ee5 2022-06-23 thomas case GOT_IMSG_OBJECT_ENUMERATION_DONE:
2955 e71f1e62 2022-06-23 thomas *found_all_objects = 1;
2956 e71f1e62 2022-06-23 thomas done = 1;
2958 e71f1e62 2022-06-23 thomas case GOT_IMSG_OBJECT_ENUMERATION_INCOMPLETE:
2959 63915ee5 2022-06-23 thomas done = 1;
2961 63915ee5 2022-06-23 thomas default:
2962 63915ee5 2022-06-23 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2966 63915ee5 2022-06-23 thomas imsg_free(&imsg);
2967 63915ee5 2022-06-23 thomas if (err)
2971 63915ee5 2022-06-23 thomas free(path);
2972 63915ee5 2022-06-23 thomas free(canon_path);
2973 63915ee5 2022-06-23 thomas free(tree.entries);
2974 63915ee5 2022-06-23 thomas return err;
2977 63915ee5 2022-06-23 thomas const struct got_error *
2978 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta_req(struct imsgbuf *ibuf, int idx,
2979 f9c2e8e5 2022-02-13 thomas struct got_object_id *id)
2981 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta_request dreq;
2983 f9c2e8e5 2022-02-13 thomas dreq.idx = idx;
2984 f9c2e8e5 2022-02-13 thomas memcpy(dreq.id, id->sha1, SHA1_DIGEST_LENGTH);
2986 f9c2e8e5 2022-02-13 thomas if (imsg_compose(ibuf, GOT_IMSG_RAW_DELTA_REQUEST, 0, 0, -1,
2987 f9c2e8e5 2022-02-13 thomas &dreq, sizeof(dreq)) == -1)
2988 f9c2e8e5 2022-02-13 thomas return got_error_from_errno("imsg_compose RAW_DELTA_REQUEST");
2990 f9c2e8e5 2022-02-13 thomas return flush_imsg(ibuf);
2993 f9c2e8e5 2022-02-13 thomas const struct got_error *
2994 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta_outfd(struct imsgbuf *ibuf, int fd)
2996 f9c2e8e5 2022-02-13 thomas return send_fd(ibuf, GOT_IMSG_RAW_DELTA_OUTFD, fd);
2999 f9c2e8e5 2022-02-13 thomas const struct got_error *
3000 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta(struct imsgbuf *ibuf, uint64_t base_size,
3001 9249e7e3 2022-05-12 thomas uint64_t result_size, off_t delta_size, off_t delta_compressed_size,
3002 9249e7e3 2022-05-12 thomas off_t delta_offset, off_t delta_out_offset, struct got_object_id *base_id)
3004 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta idelta;
3005 f9c2e8e5 2022-02-13 thomas int ret;
3007 f9c2e8e5 2022-02-13 thomas idelta.base_size = base_size;
3008 f9c2e8e5 2022-02-13 thomas idelta.result_size = result_size;
3009 f9c2e8e5 2022-02-13 thomas idelta.delta_size = delta_size;
3010 9249e7e3 2022-05-12 thomas idelta.delta_compressed_size = delta_compressed_size;
3011 f9c2e8e5 2022-02-13 thomas idelta.delta_offset = delta_offset;
3012 f9c2e8e5 2022-02-13 thomas idelta.delta_out_offset = delta_out_offset;
3013 f9c2e8e5 2022-02-13 thomas memcpy(idelta.base_id, base_id->sha1, SHA1_DIGEST_LENGTH);
3015 f9c2e8e5 2022-02-13 thomas ret = imsg_compose(ibuf, GOT_IMSG_RAW_DELTA, 0, 0, -1,
3016 f9c2e8e5 2022-02-13 thomas &idelta, sizeof(idelta));
3017 f9c2e8e5 2022-02-13 thomas if (ret == -1)
3018 f9c2e8e5 2022-02-13 thomas return got_error_from_errno("imsg_compose RAW_DELTA");
3020 f9c2e8e5 2022-02-13 thomas return flush_imsg(ibuf);
3023 ca6e02ac 2020-01-07 stsp const struct got_error *
3024 f9c2e8e5 2022-02-13 thomas got_privsep_recv_raw_delta(uint64_t *base_size, uint64_t *result_size,
3025 9249e7e3 2022-05-12 thomas off_t *delta_size, off_t *delta_compressed_size, off_t *delta_offset,
3026 9249e7e3 2022-05-12 thomas off_t *delta_out_offset, struct got_object_id **base_id, struct imsgbuf *ibuf)
3028 f9c2e8e5 2022-02-13 thomas const struct got_error *err = NULL;
3029 f9c2e8e5 2022-02-13 thomas struct imsg imsg;
3030 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta *delta;
3031 f9c2e8e5 2022-02-13 thomas size_t datalen;
3033 f9c2e8e5 2022-02-13 thomas *base_size = 0;
3034 f9c2e8e5 2022-02-13 thomas *result_size = 0;
3035 f9c2e8e5 2022-02-13 thomas *delta_size = 0;
3036 9249e7e3 2022-05-12 thomas *delta_compressed_size = 0;
3037 f9c2e8e5 2022-02-13 thomas *delta_offset = 0;
3038 f9c2e8e5 2022-02-13 thomas *delta_out_offset = 0;
3039 f9c2e8e5 2022-02-13 thomas *base_id = NULL;
3041 f9c2e8e5 2022-02-13 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3042 f9c2e8e5 2022-02-13 thomas if (err)
3043 f9c2e8e5 2022-02-13 thomas return err;
3045 f9c2e8e5 2022-02-13 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3047 f9c2e8e5 2022-02-13 thomas switch (imsg.hdr.type) {
3048 f9c2e8e5 2022-02-13 thomas case GOT_IMSG_RAW_DELTA:
3049 f9c2e8e5 2022-02-13 thomas if (datalen != sizeof(*delta)) {
3050 f9c2e8e5 2022-02-13 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3053 f9c2e8e5 2022-02-13 thomas delta = imsg.data;
3054 f9c2e8e5 2022-02-13 thomas *base_size = delta->base_size;
3055 f9c2e8e5 2022-02-13 thomas *result_size = delta->result_size;
3056 f9c2e8e5 2022-02-13 thomas *delta_size = delta->delta_size;
3057 9249e7e3 2022-05-12 thomas *delta_compressed_size = delta->delta_compressed_size;
3058 f9c2e8e5 2022-02-13 thomas *delta_offset = delta->delta_offset;
3059 f9c2e8e5 2022-02-13 thomas *delta_out_offset = delta->delta_out_offset;
3060 f9c2e8e5 2022-02-13 thomas *base_id = calloc(1, sizeof(**base_id));
3061 f9c2e8e5 2022-02-13 thomas if (*base_id == NULL) {
3062 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("malloc");
3065 f9c2e8e5 2022-02-13 thomas memcpy((*base_id)->sha1, delta->base_id, SHA1_DIGEST_LENGTH);
3067 f9c2e8e5 2022-02-13 thomas default:
3068 f9c2e8e5 2022-02-13 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3072 f9c2e8e5 2022-02-13 thomas imsg_free(&imsg);
3074 f9c2e8e5 2022-02-13 thomas if (err) {
3075 f9c2e8e5 2022-02-13 thomas free(*base_id);
3076 f9c2e8e5 2022-02-13 thomas *base_id = NULL;
3078 7d0d4920 2022-05-12 thomas return err;
3081 63915ee5 2022-06-23 thomas static const struct got_error *
3082 63915ee5 2022-06-23 thomas send_idlist(struct imsgbuf *ibuf, struct got_object_id **ids, size_t nids)
3084 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3085 7d0d4920 2022-05-12 thomas struct got_imsg_object_idlist idlist;
3086 7d0d4920 2022-05-12 thomas struct ibuf *wbuf;
3087 7d0d4920 2022-05-12 thomas size_t i;
3089 7d0d4920 2022-05-12 thomas if (nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS)
3090 7d0d4920 2022-05-12 thomas return got_error(GOT_ERR_NO_SPACE);
3092 7d0d4920 2022-05-12 thomas wbuf = imsg_create(ibuf, GOT_IMSG_OBJ_ID_LIST, 0, 0,
3093 7d0d4920 2022-05-12 thomas sizeof(idlist) + nids * sizeof(**ids));
3094 7d0d4920 2022-05-12 thomas if (wbuf == NULL) {
3095 7d0d4920 2022-05-12 thomas err = got_error_from_errno("imsg_create OBJ_ID_LIST");
3096 7d0d4920 2022-05-12 thomas return err;
3099 7d0d4920 2022-05-12 thomas idlist.nids = nids;
3100 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &idlist, sizeof(idlist)) == -1)
3101 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add OBJ_ID_LIST");
3103 7d0d4920 2022-05-12 thomas for (i = 0; i < nids; i++) {
3104 7d0d4920 2022-05-12 thomas struct got_object_id *id = ids[i];
3105 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, id, sizeof(*id)) == -1)
3106 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add OBJ_ID_LIST");
3109 7d0d4920 2022-05-12 thomas wbuf->fd = -1;
3110 7d0d4920 2022-05-12 thomas imsg_close(ibuf, wbuf);
3112 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3115 7d0d4920 2022-05-12 thomas const struct got_error *
3116 63915ee5 2022-06-23 thomas got_privsep_send_object_idlist(struct imsgbuf *ibuf,
3117 63915ee5 2022-06-23 thomas struct got_object_id **ids, size_t nids)
3119 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
3120 63915ee5 2022-06-23 thomas struct got_object_id *idlist[GOT_IMSG_OBJ_ID_LIST_MAX_NIDS];
3121 ef53e23c 2022-06-23 thomas int i, queued = 0;
3123 77402035 2022-06-23 thomas for (i = 0; i < nids; i++) {
3124 ef53e23c 2022-06-23 thomas idlist[i % nitems(idlist)] = ids[i];
3125 ef53e23c 2022-06-23 thomas queued++;
3126 8f3ec65d 2022-06-23 thomas if (queued >= nitems(idlist)) {
3127 ef53e23c 2022-06-23 thomas err = send_idlist(ibuf, idlist, queued);
3128 63915ee5 2022-06-23 thomas if (err)
3129 63915ee5 2022-06-23 thomas return err;
3130 ef53e23c 2022-06-23 thomas queued = 0;
3134 ef53e23c 2022-06-23 thomas if (queued > 0) {
3135 ef53e23c 2022-06-23 thomas err = send_idlist(ibuf, idlist, queued);
3136 63915ee5 2022-06-23 thomas if (err)
3137 63915ee5 2022-06-23 thomas return err;
3140 63915ee5 2022-06-23 thomas return NULL;
3143 63915ee5 2022-06-23 thomas const struct got_error *
3144 7d0d4920 2022-05-12 thomas got_privsep_send_object_idlist_done(struct imsgbuf *ibuf)
3146 7d0d4920 2022-05-12 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJ_ID_LIST_DONE, 0, 0, -1, NULL, 0)
3148 7d0d4920 2022-05-12 thomas return got_error_from_errno("imsg_compose OBJ_ID_LIST_DONE");
3150 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3153 7d0d4920 2022-05-12 thomas const struct got_error *
3154 7d0d4920 2022-05-12 thomas got_privsep_recv_object_idlist(int *done, struct got_object_id **ids,
3155 7d0d4920 2022-05-12 thomas size_t *nids, struct imsgbuf *ibuf)
3157 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3158 7d0d4920 2022-05-12 thomas struct imsg imsg;
3159 7d0d4920 2022-05-12 thomas struct got_imsg_object_idlist *idlist;
3160 7d0d4920 2022-05-12 thomas size_t datalen;
3162 7d0d4920 2022-05-12 thomas *ids = NULL;
3163 7d0d4920 2022-05-12 thomas *done = 0;
3164 7d0d4920 2022-05-12 thomas *nids = 0;
3166 7d0d4920 2022-05-12 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3167 7d0d4920 2022-05-12 thomas if (err)
3168 7d0d4920 2022-05-12 thomas return err;
3170 7d0d4920 2022-05-12 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3171 7d0d4920 2022-05-12 thomas switch (imsg.hdr.type) {
3172 7d0d4920 2022-05-12 thomas case GOT_IMSG_OBJ_ID_LIST:
3173 7d0d4920 2022-05-12 thomas if (datalen < sizeof(*idlist)) {
3174 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3177 7d0d4920 2022-05-12 thomas idlist = imsg.data;
3178 31d32634 2022-06-23 thomas if (idlist->nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS ||
3179 31d32634 2022-06-23 thomas idlist->nids * sizeof(**ids) > datalen - sizeof(*idlist)) {
3180 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3183 7d0d4920 2022-05-12 thomas *nids = idlist->nids;
3184 7d0d4920 2022-05-12 thomas *ids = calloc(*nids, sizeof(**ids));
3185 7d0d4920 2022-05-12 thomas if (*ids == NULL) {
3186 7d0d4920 2022-05-12 thomas err = got_error_from_errno("calloc");
3189 623d55de 2022-06-23 thomas memcpy(*ids, (uint8_t *)imsg.data + sizeof(*idlist),
3190 7d0d4920 2022-05-12 thomas *nids * sizeof(**ids));
3192 7d0d4920 2022-05-12 thomas case GOT_IMSG_OBJ_ID_LIST_DONE:
3193 7d0d4920 2022-05-12 thomas *done = 1;
3195 7d0d4920 2022-05-12 thomas default:
3196 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3200 7d0d4920 2022-05-12 thomas imsg_free(&imsg);
3202 7d0d4920 2022-05-12 thomas return err;
3205 7d0d4920 2022-05-12 thomas const struct got_error *
3206 7d0d4920 2022-05-12 thomas got_privsep_send_delta_reuse_req(struct imsgbuf *ibuf)
3208 7d0d4920 2022-05-12 thomas if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_REQUEST, 0, 0, -1, NULL, 0)
3210 7d0d4920 2022-05-12 thomas return got_error_from_errno("imsg_compose DELTA_REUSE_REQUEST");
3212 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3215 7d0d4920 2022-05-12 thomas const struct got_error *
3216 7d0d4920 2022-05-12 thomas got_privsep_send_reused_deltas(struct imsgbuf *ibuf,
3217 7d0d4920 2022-05-12 thomas struct got_imsg_reused_delta *deltas, size_t ndeltas)
3219 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3220 7d0d4920 2022-05-12 thomas struct ibuf *wbuf;
3221 7d0d4920 2022-05-12 thomas struct got_imsg_reused_deltas ideltas;
3222 7d0d4920 2022-05-12 thomas size_t i;
3224 7d0d4920 2022-05-12 thomas if (ndeltas > GOT_IMSG_REUSED_DELTAS_MAX_NDELTAS)
3225 7d0d4920 2022-05-12 thomas return got_error(GOT_ERR_NO_SPACE);
3227 7d0d4920 2022-05-12 thomas wbuf = imsg_create(ibuf, GOT_IMSG_REUSED_DELTAS, 0, 0,
3228 7d0d4920 2022-05-12 thomas sizeof(ideltas) + ndeltas * sizeof(*deltas));
3229 7d0d4920 2022-05-12 thomas if (wbuf == NULL) {
3230 7d0d4920 2022-05-12 thomas err = got_error_from_errno("imsg_create REUSED_DELTAS");
3231 7d0d4920 2022-05-12 thomas return err;
3234 7d0d4920 2022-05-12 thomas ideltas.ndeltas = ndeltas;
3235 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &ideltas, sizeof(ideltas)) == -1)
3236 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add REUSED_DELTAS");
3238 7d0d4920 2022-05-12 thomas for (i = 0; i < ndeltas; i++) {
3239 7d0d4920 2022-05-12 thomas struct got_imsg_reused_delta *delta = &deltas[i];
3240 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, delta, sizeof(*delta)) == -1)
3241 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add REUSED_DELTAS");
3244 7d0d4920 2022-05-12 thomas wbuf->fd = -1;
3245 7d0d4920 2022-05-12 thomas imsg_close(ibuf, wbuf);
3247 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3250 7d0d4920 2022-05-12 thomas const struct got_error *
3251 7d0d4920 2022-05-12 thomas got_privsep_send_reused_deltas_done(struct imsgbuf *ibuf)
3253 7d0d4920 2022-05-12 thomas if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_DONE, 0, 0, -1, NULL, 0)
3255 7d0d4920 2022-05-12 thomas return got_error_from_errno("imsg_compose DELTA_REUSE_DONE");
3257 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3260 7d0d4920 2022-05-12 thomas const struct got_error *
3261 7d0d4920 2022-05-12 thomas got_privsep_recv_reused_deltas(int *done, struct got_imsg_reused_delta *deltas,
3262 7d0d4920 2022-05-12 thomas size_t *ndeltas, struct imsgbuf *ibuf)
3264 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3265 7d0d4920 2022-05-12 thomas struct imsg imsg;
3266 7d0d4920 2022-05-12 thomas struct got_imsg_reused_deltas *ideltas;
3267 7d0d4920 2022-05-12 thomas size_t datalen;
3269 7d0d4920 2022-05-12 thomas *done = 0;
3270 7d0d4920 2022-05-12 thomas *ndeltas = 0;
3272 7d0d4920 2022-05-12 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3273 7d0d4920 2022-05-12 thomas if (err)
3274 7d0d4920 2022-05-12 thomas return err;
3276 7d0d4920 2022-05-12 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3277 7d0d4920 2022-05-12 thomas switch (imsg.hdr.type) {
3278 7d0d4920 2022-05-12 thomas case GOT_IMSG_REUSED_DELTAS:
3279 7d0d4920 2022-05-12 thomas if (datalen < sizeof(*ideltas)) {
3280 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3283 7d0d4920 2022-05-12 thomas ideltas = imsg.data;
3284 31d32634 2022-06-23 thomas if (ideltas->ndeltas > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS ||
3285 31d32634 2022-06-23 thomas ideltas->ndeltas * sizeof(*deltas) >
3286 31d32634 2022-06-23 thomas datalen - sizeof(*ideltas)) {
3287 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3290 7d0d4920 2022-05-12 thomas *ndeltas = ideltas->ndeltas;
3291 623d55de 2022-06-23 thomas memcpy(deltas, (uint8_t *)imsg.data + sizeof(*ideltas),
3292 7d0d4920 2022-05-12 thomas *ndeltas * sizeof(*deltas));
3294 7d0d4920 2022-05-12 thomas case GOT_IMSG_DELTA_REUSE_DONE:
3295 7d0d4920 2022-05-12 thomas *done = 1;
3297 7d0d4920 2022-05-12 thomas default:
3298 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3302 7d0d4920 2022-05-12 thomas imsg_free(&imsg);
3304 f9c2e8e5 2022-02-13 thomas return err;
3307 f9c2e8e5 2022-02-13 thomas const struct got_error *
3308 63219cd2 2019-01-04 stsp got_privsep_unveil_exec_helpers(void)
3310 c39c25dd 2019-08-09 stsp const char *helpers[] = {
3311 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_PACK,
3312 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_OBJECT,
3313 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_COMMIT,
3314 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TREE,
3315 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_BLOB,
3316 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TAG,
3317 aba9c984 2019-09-08 stsp GOT_PATH_PROG_READ_GITCONFIG,
3318 257add31 2020-09-09 stsp GOT_PATH_PROG_READ_GOTCONFIG,
3319 069bbb86 2022-03-07 thomas GOT_PATH_PROG_READ_PATCH,
3320 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_FETCH_PACK,
3321 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_INDEX_PACK,
3322 f8a36e22 2021-08-26 stsp GOT_PATH_PROG_SEND_PACK,
3326 c39c25dd 2019-08-09 stsp for (i = 0; i < nitems(helpers); i++) {
3327 c39c25dd 2019-08-09 stsp if (unveil(helpers[i], "x") == 0)
3329 c39c25dd 2019-08-09 stsp return got_error_from_errno2("unveil", helpers[i]);
3332 63219cd2 2019-01-04 stsp return NULL;
3336 aba9c984 2019-09-08 stsp got_privsep_exec_child(int imsg_fds[2], const char *path, const char *repo_path)
3338 08578a35 2021-01-22 stsp if (close(imsg_fds[0]) == -1) {
3339 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3343 aba9c984 2019-09-08 stsp if (dup2(imsg_fds[1], GOT_IMSG_FD_CHILD) == -1) {
3344 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3348 ce95518e 2021-12-10 thomas closefrom(GOT_IMSG_FD_CHILD + 1);
3350 aba9c984 2019-09-08 stsp if (execl(path, path, repo_path, (char *)NULL) == -1) {
3351 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s: %s\n", getprogname(), path,
3352 aba9c984 2019-09-08 stsp strerror(errno));
