2 5aa81393 2020-01-06 stsp * Copyright (c) 2018, 2019, 2020 Stefan Sperling <stsp@openbsd.org>
3 93658fb9 2020-03-18 stsp * Copyright (c) 2020 Ori Bernstein <ori@openbsd.org>
5 2178c42e 2018-04-22 stsp * Permission to use, copy, modify, and distribute this software for any
6 2178c42e 2018-04-22 stsp * purpose with or without fee is hereby granted, provided that the above
7 2178c42e 2018-04-22 stsp * copyright notice and this permission notice appear in all copies.
9 2178c42e 2018-04-22 stsp * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 2178c42e 2018-04-22 stsp * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 2178c42e 2018-04-22 stsp * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 2178c42e 2018-04-22 stsp * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 2178c42e 2018-04-22 stsp * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 2178c42e 2018-04-22 stsp * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 2178c42e 2018-04-22 stsp * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 2178c42e 2018-04-22 stsp #include <sys/types.h>
19 2178c42e 2018-04-22 stsp #include <sys/uio.h>
20 876c234b 2018-09-10 stsp #include <sys/wait.h>
22 531c3985 2020-03-18 stsp #include <ctype.h>
23 23c57b28 2020-09-11 naddy #include <limits.h>
24 a486b62b 2021-05-18 stsp #include <signal.h>
25 2178c42e 2018-04-22 stsp #include <stdio.h>
26 2178c42e 2018-04-22 stsp #include <stdlib.h>
27 2178c42e 2018-04-22 stsp #include <string.h>
28 2178c42e 2018-04-22 stsp #include <errno.h>
29 2178c42e 2018-04-22 stsp #include <stdint.h>
30 2178c42e 2018-04-22 stsp #include <poll.h>
31 81a12da5 2020-09-09 naddy #include <unistd.h>
32 2178c42e 2018-04-22 stsp #include <zlib.h>
33 788c352e 2018-06-16 stsp #include <time.h>
35 dd038bc6 2021-09-21 thomas.ad #include "got_compat.h"
37 2178c42e 2018-04-22 stsp #include "got_object.h"
38 2178c42e 2018-04-22 stsp #include "got_error.h"
39 3022d272 2019-11-14 stsp #include "got_path.h"
40 cd95becd 2019-11-29 stsp #include "got_repository.h"
42 2178c42e 2018-04-22 stsp #include "got_lib_sha1.h"
43 2178c42e 2018-04-22 stsp #include "got_lib_delta.h"
44 63581804 2018-07-09 stsp #include "got_lib_inflate.h"
45 2178c42e 2018-04-22 stsp #include "got_lib_object.h"
46 a440fac0 2018-09-06 stsp #include "got_lib_object_parse.h"
47 2178c42e 2018-04-22 stsp #include "got_lib_privsep.h"
48 876c234b 2018-09-10 stsp #include "got_lib_pack.h"
51 2178c42e 2018-04-22 stsp #define MIN(_a,_b) ((_a) < (_b) ? (_a) : (_b))
54 c39c25dd 2019-08-09 stsp #ifndef nitems
55 c39c25dd 2019-08-09 stsp #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
58 2178c42e 2018-04-22 stsp static const struct got_error *
59 2178c42e 2018-04-22 stsp poll_fd(int fd, int events, int timeout)
61 2178c42e 2018-04-22 stsp struct pollfd pfd[1];
62 a486b62b 2021-05-18 stsp struct timespec ts;
63 a486b62b 2021-05-18 stsp sigset_t sigset;
66 2178c42e 2018-04-22 stsp pfd[0].fd = fd;
67 2178c42e 2018-04-22 stsp pfd[0].events = events;
69 a486b62b 2021-05-18 stsp ts.tv_sec = timeout;
70 a486b62b 2021-05-18 stsp ts.tv_nsec = 0;
72 a486b62b 2021-05-18 stsp if (sigemptyset(&sigset) == -1)
73 a486b62b 2021-05-18 stsp return got_error_from_errno("sigemptyset");
74 a486b62b 2021-05-18 stsp if (sigaddset(&sigset, SIGWINCH) == -1)
75 a486b62b 2021-05-18 stsp return got_error_from_errno("sigaddset");
77 a486b62b 2021-05-18 stsp n = ppoll(pfd, 1, timeout == INFTIM ? NULL : &ts, &sigset);
78 2178c42e 2018-04-22 stsp if (n == -1)
79 932dbee7 2021-05-19 stsp return got_error_from_errno("ppoll");
81 2178c42e 2018-04-22 stsp return got_error(GOT_ERR_TIMEOUT);
82 2178c42e 2018-04-22 stsp if (pfd[0].revents & (POLLERR | POLLNVAL))
83 638f9024 2019-05-13 stsp return got_error_from_errno("poll error");
84 2178c42e 2018-04-22 stsp if (pfd[0].revents & (events | POLLHUP))
85 2178c42e 2018-04-22 stsp return NULL;
87 2178c42e 2018-04-22 stsp return got_error(GOT_ERR_INTERRUPT);
90 c4eae628 2018-04-23 stsp static const struct got_error *
91 e033d803 2018-04-23 stsp read_imsg(struct imsgbuf *ibuf)
93 fe36cf76 2018-04-23 stsp const struct got_error *err;
96 ff470224 2022-05-19 thomas err = poll_fd(ibuf->fd, POLLIN, INFTIM);
98 ff470224 2022-05-19 thomas return err;
100 fe36cf76 2018-04-23 stsp n = imsg_read(ibuf);
101 fe36cf76 2018-04-23 stsp if (n == -1) {
102 fe36cf76 2018-04-23 stsp if (errno == EAGAIN) /* Could be a file-descriptor leak. */
103 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_NO_FD);
104 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_READ);
106 fe36cf76 2018-04-23 stsp if (n == 0)
107 fe36cf76 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_PIPE);
109 e033d803 2018-04-23 stsp return NULL;
112 ad242220 2018-09-08 stsp const struct got_error *
113 876c234b 2018-09-10 stsp got_privsep_wait_for_child(pid_t pid)
115 876c234b 2018-09-10 stsp int child_status;
117 2cb49fa8 2019-05-10 stsp if (waitpid(pid, &child_status, 0) == -1)
118 638f9024 2019-05-13 stsp return got_error_from_errno("waitpid");
120 876c234b 2018-09-10 stsp if (!WIFEXITED(child_status))
121 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_DIED);
123 876c234b 2018-09-10 stsp if (WEXITSTATUS(child_status) != 0)
124 876c234b 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_EXIT);
126 876c234b 2018-09-10 stsp return NULL;
129 73b7854a 2018-11-11 stsp static const struct got_error *
130 73b7854a 2018-11-11 stsp recv_imsg_error(struct imsg *imsg, size_t datalen)
132 73b7854a 2018-11-11 stsp struct got_imsg_error *ierr;
134 73b7854a 2018-11-11 stsp if (datalen != sizeof(*ierr))
135 73b7854a 2018-11-11 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
137 73b7854a 2018-11-11 stsp ierr = imsg->data;
138 73b7854a 2018-11-11 stsp if (ierr->code == GOT_ERR_ERRNO) {
139 73b7854a 2018-11-11 stsp static struct got_error serr;
140 73b7854a 2018-11-11 stsp serr.code = GOT_ERR_ERRNO;
141 73b7854a 2018-11-11 stsp serr.msg = strerror(ierr->errno_code);
142 73b7854a 2018-11-11 stsp return &serr;
145 73b7854a 2018-11-11 stsp return got_error(ierr->code);
148 876c234b 2018-09-10 stsp const struct got_error *
149 46de5bfd 2018-11-11 stsp got_privsep_recv_imsg(struct imsg *imsg, struct imsgbuf *ibuf,
150 46de5bfd 2018-11-11 stsp size_t min_datalen)
152 e033d803 2018-04-23 stsp const struct got_error *err;
155 e033d803 2018-04-23 stsp n = imsg_get(ibuf, imsg);
156 876c234b 2018-09-10 stsp if (n == -1)
157 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_get");
159 876c234b 2018-09-10 stsp while (n == 0) {
160 876c234b 2018-09-10 stsp err = read_imsg(ibuf);
162 876c234b 2018-09-10 stsp return err;
163 876c234b 2018-09-10 stsp n = imsg_get(ibuf, imsg);
164 cbfaaf20 2020-01-06 stsp if (n == -1)
165 cbfaaf20 2020-01-06 stsp return got_error_from_errno("imsg_get");
168 fe36cf76 2018-04-23 stsp if (imsg->hdr.len < IMSG_HEADER_SIZE + min_datalen)
169 c4eae628 2018-04-23 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
171 73b7854a 2018-11-11 stsp if (imsg->hdr.type == GOT_IMSG_ERROR) {
172 73b7854a 2018-11-11 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
173 73b7854a 2018-11-11 stsp return recv_imsg_error(imsg, datalen);
176 73b7854a 2018-11-11 stsp return NULL;
179 2178c42e 2018-04-22 stsp /* Attempt to send an error in an imsg. Complain on stderr as a last resort. */
181 2178c42e 2018-04-22 stsp got_privsep_send_error(struct imsgbuf *ibuf, const struct got_error *err)
183 2178c42e 2018-04-22 stsp const struct got_error *poll_err;
184 2178c42e 2018-04-22 stsp struct got_imsg_error ierr;
187 2178c42e 2018-04-22 stsp ierr.code = err->code;
188 2178c42e 2018-04-22 stsp if (err->code == GOT_ERR_ERRNO)
189 2178c42e 2018-04-22 stsp ierr.errno_code = errno;
191 2178c42e 2018-04-22 stsp ierr.errno_code = 0;
192 2178c42e 2018-04-22 stsp ret = imsg_compose(ibuf, GOT_IMSG_ERROR, 0, 0, -1, &ierr, sizeof(ierr));
193 e93cd828 2018-11-11 stsp if (ret == -1) {
194 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_compose: %s\n",
195 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
199 2178c42e 2018-04-22 stsp poll_err = poll_fd(ibuf->fd, POLLOUT, INFTIM);
200 5d43e84d 2018-04-23 stsp if (poll_err) {
201 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": poll: %s\n",
202 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, poll_err->msg);
206 2178c42e 2018-04-22 stsp ret = imsg_flush(ibuf);
207 5d43e84d 2018-04-23 stsp if (ret == -1) {
208 2178c42e 2018-04-22 stsp fprintf(stderr, "%s: error %d \"%s\": imsg_flush: %s\n",
209 2178c42e 2018-04-22 stsp getprogname(), err->code, err->msg, strerror(errno));
210 e2752401 2022-02-16 thomas imsg_clear(ibuf);
215 e033d803 2018-04-23 stsp static const struct got_error *
216 e033d803 2018-04-23 stsp flush_imsg(struct imsgbuf *ibuf)
218 e033d803 2018-04-23 stsp const struct got_error *err;
220 e033d803 2018-04-23 stsp err = poll_fd(ibuf->fd, POLLOUT, INFTIM);
222 e033d803 2018-04-23 stsp return err;
224 e2752401 2022-02-16 thomas if (imsg_flush(ibuf) == -1) {
225 e2752401 2022-02-16 thomas imsg_clear(ibuf);
226 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_flush");
229 e033d803 2018-04-23 stsp return NULL;
232 ad242220 2018-09-08 stsp const struct got_error *
233 e70bf110 2020-03-22 stsp got_privsep_flush_imsg(struct imsgbuf *ibuf)
235 e70bf110 2020-03-22 stsp return flush_imsg(ibuf);
238 e70bf110 2020-03-22 stsp const struct got_error *
239 ad242220 2018-09-08 stsp got_privsep_send_stop(int fd)
241 ad242220 2018-09-08 stsp const struct got_error *err = NULL;
242 ad242220 2018-09-08 stsp struct imsgbuf ibuf;
244 ad242220 2018-09-08 stsp imsg_init(&ibuf, fd);
246 ad242220 2018-09-08 stsp if (imsg_compose(&ibuf, GOT_IMSG_STOP, 0, 0, -1, NULL, 0) == -1)
247 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose STOP");
249 ad242220 2018-09-08 stsp err = flush_imsg(&ibuf);
250 ad242220 2018-09-08 stsp return err;
253 93658fb9 2020-03-18 stsp const struct got_error *
254 d5c81d44 2021-07-08 stsp got_privsep_send_obj_req(struct imsgbuf *ibuf, int fd,
255 d5c81d44 2021-07-08 stsp struct got_object_id *id)
257 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT_REQUEST, 0, 0, fd,
258 d5c81d44 2021-07-08 stsp id, sizeof(*id)) == -1)
259 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT_REQUEST");
261 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
264 59d1e4a0 2021-03-10 stsp const struct got_error *
265 d5c81d44 2021-07-08 stsp got_privsep_send_raw_obj_req(struct imsgbuf *ibuf, int fd,
266 d5c81d44 2021-07-08 stsp struct got_object_id *id)
268 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_OBJECT_REQUEST, 0, 0, fd,
269 d5c81d44 2021-07-08 stsp id, sizeof(*id)) == -1)
270 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose RAW_OBJECT_REQUEST");
272 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
275 59d1e4a0 2021-03-10 stsp const struct got_error *
276 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj_outfd(struct imsgbuf *ibuf, int outfd)
278 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
280 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_RAW_OBJECT_OUTFD, 0, 0, outfd, NULL, 0)
282 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_compose RAW_OBJECT_OUTFD");
283 59d1e4a0 2021-03-10 stsp close(outfd);
284 59d1e4a0 2021-03-10 stsp return err;
287 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
290 59d1e4a0 2021-03-10 stsp const struct got_error *
291 59d1e4a0 2021-03-10 stsp got_privsep_send_raw_obj(struct imsgbuf *ibuf, off_t size, size_t hdrlen,
292 59d1e4a0 2021-03-10 stsp uint8_t *data)
294 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
295 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj iobj;
296 59d1e4a0 2021-03-10 stsp size_t len = sizeof(iobj);
297 59d1e4a0 2021-03-10 stsp struct ibuf *wbuf;
299 59d1e4a0 2021-03-10 stsp iobj.hdrlen = hdrlen;
300 59d1e4a0 2021-03-10 stsp iobj.size = size;
302 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX)
303 a8591711 2021-06-18 stsp len += (size_t)size + hdrlen;
305 59d1e4a0 2021-03-10 stsp wbuf = imsg_create(ibuf, GOT_IMSG_RAW_OBJECT, 0, 0, len);
306 59d1e4a0 2021-03-10 stsp if (wbuf == NULL) {
307 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_create RAW_OBJECT");
308 59d1e4a0 2021-03-10 stsp return err;
311 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &iobj, sizeof(iobj)) == -1)
312 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add RAW_OBJECT");
314 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
315 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, data, size + hdrlen) == -1)
316 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add RAW_OBJECT");
319 59d1e4a0 2021-03-10 stsp wbuf->fd = -1;
320 59d1e4a0 2021-03-10 stsp imsg_close(ibuf, wbuf);
322 1785f84a 2018-12-23 stsp return flush_imsg(ibuf);
325 1785f84a 2018-12-23 stsp const struct got_error *
326 59d1e4a0 2021-03-10 stsp got_privsep_recv_raw_obj(uint8_t **outbuf, off_t *size, size_t *hdrlen,
327 59d1e4a0 2021-03-10 stsp struct imsgbuf *ibuf)
329 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
330 59d1e4a0 2021-03-10 stsp struct imsg imsg;
331 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj *iobj;
332 59d1e4a0 2021-03-10 stsp size_t datalen;
334 59d1e4a0 2021-03-10 stsp *outbuf = NULL;
336 59d1e4a0 2021-03-10 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
338 59d1e4a0 2021-03-10 stsp return err;
340 59d1e4a0 2021-03-10 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
342 59d1e4a0 2021-03-10 stsp switch (imsg.hdr.type) {
343 59d1e4a0 2021-03-10 stsp case GOT_IMSG_RAW_OBJECT:
344 59d1e4a0 2021-03-10 stsp if (datalen < sizeof(*iobj)) {
345 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
348 59d1e4a0 2021-03-10 stsp iobj = imsg.data;
349 59d1e4a0 2021-03-10 stsp *size = iobj->size;
350 59d1e4a0 2021-03-10 stsp *hdrlen = iobj->hdrlen;
352 59d1e4a0 2021-03-10 stsp if (datalen == sizeof(*iobj)) {
353 59d1e4a0 2021-03-10 stsp /* Data has been written to file descriptor. */
357 a8591711 2021-06-18 stsp if (*size + *hdrlen > GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
358 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
362 a8591711 2021-06-18 stsp *outbuf = malloc(*size + *hdrlen);
363 59d1e4a0 2021-03-10 stsp if (*outbuf == NULL) {
364 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("malloc");
367 a8591711 2021-06-18 stsp memcpy(*outbuf, imsg.data + sizeof(*iobj), *size + *hdrlen);
370 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
374 59d1e4a0 2021-03-10 stsp imsg_free(&imsg);
376 59d1e4a0 2021-03-10 stsp return err;
379 59d1e4a0 2021-03-10 stsp const struct got_error *
380 1785f84a 2018-12-23 stsp got_privsep_send_commit_req(struct imsgbuf *ibuf, int fd,
381 1785f84a 2018-12-23 stsp struct got_object_id *id, int pack_idx)
383 41496140 2019-02-21 stsp const struct got_error *err = NULL;
384 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
385 d5c81d44 2021-07-08 stsp void *data;
386 1785f84a 2018-12-23 stsp size_t len;
388 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* commit is packed */
389 1785f84a 2018-12-23 stsp iobj.idx = pack_idx;
390 1785f84a 2018-12-23 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
391 d5c81d44 2021-07-08 stsp data = &iobj;
392 1785f84a 2018-12-23 stsp len = sizeof(iobj);
395 d5c81d44 2021-07-08 stsp len = sizeof(*id);
398 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_REQUEST, 0, 0, fd, data, len)
400 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT_REQUEST");
402 41496140 2019-02-21 stsp return err;
405 13c729f7 2018-12-24 stsp return flush_imsg(ibuf);
408 13c729f7 2018-12-24 stsp const struct got_error *
409 13c729f7 2018-12-24 stsp got_privsep_send_tree_req(struct imsgbuf *ibuf, int fd,
410 13c729f7 2018-12-24 stsp struct got_object_id *id, int pack_idx)
412 7f358e3b 2019-11-23 stsp struct ibuf *wbuf;
413 d5c81d44 2021-07-08 stsp size_t len;
415 d5c81d44 2021-07-08 stsp if (pack_idx != -1)
416 d5c81d44 2021-07-08 stsp len = sizeof(struct got_imsg_packed_object);
418 d5c81d44 2021-07-08 stsp len = sizeof(*id);
420 7f358e3b 2019-11-23 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_REQUEST, 0, 0, len);
421 7f358e3b 2019-11-23 stsp if (wbuf == NULL)
422 7f358e3b 2019-11-23 stsp return got_error_from_errno("imsg_create TREE_REQUEST");
424 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1)
425 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_REQUEST");
427 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tree is packed */
428 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &pack_idx, sizeof(pack_idx)) == -1)
429 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_REQUEST");
432 7f358e3b 2019-11-23 stsp wbuf->fd = fd;
433 7f358e3b 2019-11-23 stsp imsg_close(ibuf, wbuf);
435 268f7291 2018-12-24 stsp return flush_imsg(ibuf);
438 268f7291 2018-12-24 stsp const struct got_error *
439 268f7291 2018-12-24 stsp got_privsep_send_tag_req(struct imsgbuf *ibuf, int fd,
440 268f7291 2018-12-24 stsp struct got_object_id *id, int pack_idx)
442 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
443 d5c81d44 2021-07-08 stsp void *data;
444 268f7291 2018-12-24 stsp size_t len;
446 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tag is packed */
447 268f7291 2018-12-24 stsp iobj.idx = pack_idx;
448 268f7291 2018-12-24 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
449 d5c81d44 2021-07-08 stsp data = &iobj;
450 268f7291 2018-12-24 stsp len = sizeof(iobj);
453 d5c81d44 2021-07-08 stsp len = sizeof(*id);
456 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_REQUEST, 0, 0, fd, data, len)
458 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose TAG_REQUEST");
460 7762fe12 2018-11-05 stsp return flush_imsg(ibuf);
463 7762fe12 2018-11-05 stsp const struct got_error *
464 ebc55e2d 2018-12-24 stsp got_privsep_send_blob_req(struct imsgbuf *ibuf, int infd,
465 ebc55e2d 2018-12-24 stsp struct got_object_id *id, int pack_idx)
467 41496140 2019-02-21 stsp const struct got_error *err = NULL;
468 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
469 d5c81d44 2021-07-08 stsp void *data;
470 ebc55e2d 2018-12-24 stsp size_t len;
472 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* blob is packed */
473 ebc55e2d 2018-12-24 stsp iobj.idx = pack_idx;
474 ebc55e2d 2018-12-24 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
475 d5c81d44 2021-07-08 stsp data = &iobj;
476 ebc55e2d 2018-12-24 stsp len = sizeof(iobj);
479 d5c81d44 2021-07-08 stsp len = sizeof(*id);
482 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_REQUEST, 0, 0, infd, data, len)
484 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_REQUEST");
485 41496140 2019-02-21 stsp close(infd);
486 41496140 2019-02-21 stsp return err;
489 55da3778 2018-09-10 stsp return flush_imsg(ibuf);
492 55da3778 2018-09-10 stsp const struct got_error *
493 55da3778 2018-09-10 stsp got_privsep_send_blob_outfd(struct imsgbuf *ibuf, int outfd)
495 41496140 2019-02-21 stsp const struct got_error *err = NULL;
497 ad242220 2018-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_OUTFD, 0, 0, outfd, NULL, 0)
499 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_OUTFD");
500 41496140 2019-02-21 stsp close(outfd);
501 41496140 2019-02-21 stsp return err;
504 3840f4c9 2018-09-12 stsp return flush_imsg(ibuf);
507 73ab1060 2020-03-18 stsp static const struct got_error *
508 73ab1060 2020-03-18 stsp send_fd(struct imsgbuf *ibuf, int imsg_code, int fd)
510 41496140 2019-02-21 stsp const struct got_error *err = NULL;
512 73ab1060 2020-03-18 stsp if (imsg_compose(ibuf, imsg_code, 0, 0, fd, NULL, 0) == -1) {
513 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TMPFD");
515 41496140 2019-02-21 stsp return err;
518 ad242220 2018-09-08 stsp return flush_imsg(ibuf);
521 ad242220 2018-09-08 stsp const struct got_error *
522 73ab1060 2020-03-18 stsp got_privsep_send_tmpfd(struct imsgbuf *ibuf, int fd)
524 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_TMPFD, fd);
527 73ab1060 2020-03-18 stsp const struct got_error *
528 876c234b 2018-09-10 stsp got_privsep_send_obj(struct imsgbuf *ibuf, struct got_object *obj)
530 2178c42e 2018-04-22 stsp struct got_imsg_object iobj;
532 c59b3346 2018-09-11 stsp memcpy(iobj.id, obj->id.sha1, sizeof(iobj.id));
533 2178c42e 2018-04-22 stsp iobj.type = obj->type;
534 2178c42e 2018-04-22 stsp iobj.flags = obj->flags;
535 2178c42e 2018-04-22 stsp iobj.hdrlen = obj->hdrlen;
536 2178c42e 2018-04-22 stsp iobj.size = obj->size;
537 c59b3346 2018-09-11 stsp if (iobj.flags & GOT_OBJ_FLAG_PACKED) {
538 876c234b 2018-09-10 stsp iobj.pack_offset = obj->pack_offset;
539 c59b3346 2018-09-11 stsp iobj.pack_idx = obj->pack_idx;
542 2178c42e 2018-04-22 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT, 0, 0, -1, &iobj, sizeof(iobj))
544 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT");
546 c59b3346 2018-09-11 stsp return flush_imsg(ibuf);
549 cfd633c2 2018-09-10 stsp const struct got_error *
550 33501562 2020-03-18 stsp got_privsep_send_fetch_req(struct imsgbuf *ibuf, int fd,
551 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs, int fetch_all_branches,
552 abc59930 2021-09-05 naddy struct got_pathlist_head *wanted_branches,
553 abc59930 2021-09-05 naddy struct got_pathlist_head *wanted_refs, int list_refs_only, int verbosity)
555 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
556 33501562 2020-03-18 stsp struct ibuf *wbuf;
557 4ba14133 2020-03-20 stsp size_t len;
558 33501562 2020-03-18 stsp struct got_pathlist_entry *pe;
559 4ba14133 2020-03-20 stsp struct got_imsg_fetch_request fetchreq;
561 4ba14133 2020-03-20 stsp memset(&fetchreq, 0, sizeof(fetchreq));
562 4ba14133 2020-03-20 stsp fetchreq.fetch_all_branches = fetch_all_branches;
563 41b0de12 2020-03-21 stsp fetchreq.list_refs_only = list_refs_only;
564 2690194b 2020-03-21 stsp fetchreq.verbosity = verbosity;
565 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, have_refs, entry)
566 4ba14133 2020-03-20 stsp fetchreq.n_have_refs++;
567 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry)
568 4ba14133 2020-03-20 stsp fetchreq.n_wanted_branches++;
569 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry)
570 0e4002ca 2020-03-21 stsp fetchreq.n_wanted_refs++;
571 659e7fbd 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_request);
572 33501562 2020-03-18 stsp if (len >= MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
574 33501562 2020-03-18 stsp return got_error(GOT_ERR_NO_SPACE);
577 4ba14133 2020-03-20 stsp if (imsg_compose(ibuf, GOT_IMSG_FETCH_REQUEST, 0, 0, fd,
578 4ba14133 2020-03-20 stsp &fetchreq, sizeof(fetchreq)) == -1)
579 4ba14133 2020-03-20 stsp return got_error_from_errno(
580 4ba14133 2020-03-20 stsp "imsg_compose FETCH_SERVER_PROGRESS");
582 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
585 659e7fbd 2020-03-20 stsp return err;
589 33501562 2020-03-18 stsp TAILQ_FOREACH(pe, have_refs, entry) {
590 33501562 2020-03-18 stsp const char *name = pe->path;
591 33501562 2020-03-18 stsp size_t name_len = pe->path_len;
592 33501562 2020-03-18 stsp struct got_object_id *id = pe->data;
594 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_have_ref) + name_len;
595 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_HAVE_REF, 0, 0, len);
596 4ba14133 2020-03-20 stsp if (wbuf == NULL)
597 4ba14133 2020-03-20 stsp return got_error_from_errno("imsg_create FETCH_HAVE_REF");
599 33501562 2020-03-18 stsp /* Keep in sync with struct got_imsg_fetch_have_ref! */
600 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, id->sha1, sizeof(id->sha1)) == -1)
601 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add FETCH_HAVE_REF");
602 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
603 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add FETCH_HAVE_REF");
604 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
605 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add FETCH_HAVE_REF");
607 4ba14133 2020-03-20 stsp wbuf->fd = -1;
608 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
609 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
611 4ba14133 2020-03-20 stsp return err;
614 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry) {
615 4ba14133 2020-03-20 stsp const char *name = pe->path;
616 4ba14133 2020-03-20 stsp size_t name_len = pe->path_len;
618 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_wanted_branch) + name_len;
619 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_BRANCH, 0, 0,
621 4ba14133 2020-03-20 stsp if (wbuf == NULL)
622 4ba14133 2020-03-20 stsp return got_error_from_errno(
623 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_BRANCH");
625 4ba14133 2020-03-20 stsp /* Keep in sync with struct got_imsg_fetch_wanted_branch! */
626 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
627 e9f1a409 2022-05-19 thomas return got_error_from_errno(
628 4ba14133 2020-03-20 stsp "imsg_add FETCH_WANTED_BRANCH");
629 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
630 e9f1a409 2022-05-19 thomas return got_error_from_errno(
631 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_BRANCH");
633 4ba14133 2020-03-20 stsp wbuf->fd = -1;
634 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
635 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
637 4ba14133 2020-03-20 stsp return err;
640 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry) {
641 0e4002ca 2020-03-21 stsp const char *name = pe->path;
642 0e4002ca 2020-03-21 stsp size_t name_len = pe->path_len;
644 0e4002ca 2020-03-21 stsp len = sizeof(struct got_imsg_fetch_wanted_ref) + name_len;
645 0e4002ca 2020-03-21 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_REF, 0, 0,
647 0e4002ca 2020-03-21 stsp if (wbuf == NULL)
648 0e4002ca 2020-03-21 stsp return got_error_from_errno(
649 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_REF");
651 0e4002ca 2020-03-21 stsp /* Keep in sync with struct got_imsg_fetch_wanted_ref! */
652 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
653 e9f1a409 2022-05-19 thomas return got_error_from_errno(
654 0e4002ca 2020-03-21 stsp "imsg_add FETCH_WANTED_REF");
655 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
656 e9f1a409 2022-05-19 thomas return got_error_from_errno(
657 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_REF");
659 0e4002ca 2020-03-21 stsp wbuf->fd = -1;
660 0e4002ca 2020-03-21 stsp imsg_close(ibuf, wbuf);
661 0e4002ca 2020-03-21 stsp err = flush_imsg(ibuf);
663 0e4002ca 2020-03-21 stsp return err;
667 4ba14133 2020-03-20 stsp return NULL;
671 93658fb9 2020-03-18 stsp const struct got_error *
672 f826addf 2020-03-18 stsp got_privsep_send_fetch_outfd(struct imsgbuf *ibuf, int fd)
674 f826addf 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_FETCH_OUTFD, fd);
677 531c3985 2020-03-18 stsp const struct got_error *
678 8f2d01a6 2020-03-18 stsp got_privsep_recv_fetch_progress(int *done, struct got_object_id **id,
679 531c3985 2020-03-18 stsp char **refname, struct got_pathlist_head *symrefs, char **server_progress,
680 1d72a2a0 2020-03-24 stsp off_t *packfile_size, uint8_t *pack_sha1, struct imsgbuf *ibuf)
682 b9f99abf 2020-03-18 stsp const struct got_error *err = NULL;
683 b9f99abf 2020-03-18 stsp struct imsg imsg;
684 b9f99abf 2020-03-18 stsp size_t datalen;
685 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symrefs *isymrefs = NULL;
686 abe0f35f 2020-03-18 stsp size_t n, remain;
691 8f2d01a6 2020-03-18 stsp *id = NULL;
692 b9f99abf 2020-03-18 stsp *refname = NULL;
693 531c3985 2020-03-18 stsp *server_progress = NULL;
694 5a489642 2020-03-19 stsp *packfile_size = 0;
695 1d72a2a0 2020-03-24 stsp memset(pack_sha1, 0, SHA1_DIGEST_LENGTH);
697 531c3985 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
699 b9f99abf 2020-03-18 stsp return err;
701 b9f99abf 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
702 b9f99abf 2020-03-18 stsp switch (imsg.hdr.type) {
703 b9f99abf 2020-03-18 stsp case GOT_IMSG_ERROR:
704 531c3985 2020-03-18 stsp if (datalen < sizeof(struct got_imsg_error)) {
705 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
708 b9f99abf 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
710 abe0f35f 2020-03-18 stsp case GOT_IMSG_FETCH_SYMREFS:
711 abe0f35f 2020-03-18 stsp if (datalen < sizeof(*isymrefs)) {
712 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
715 abe0f35f 2020-03-18 stsp if (isymrefs != NULL) {
716 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
719 abe0f35f 2020-03-18 stsp isymrefs = (struct got_imsg_fetch_symrefs *)imsg.data;
720 abe0f35f 2020-03-18 stsp off = sizeof(*isymrefs);
721 abe0f35f 2020-03-18 stsp remain = datalen - off;
722 abe0f35f 2020-03-18 stsp for (n = 0; n < isymrefs->nsymrefs; n++) {
723 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symref *s;
724 abe0f35f 2020-03-18 stsp char *name, *target;
725 abe0f35f 2020-03-18 stsp if (remain < sizeof(struct got_imsg_fetch_symref)) {
726 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
729 abe0f35f 2020-03-18 stsp s = (struct got_imsg_fetch_symref *)(imsg.data + off);
730 abe0f35f 2020-03-18 stsp off += sizeof(*s);
731 abe0f35f 2020-03-18 stsp remain -= sizeof(*s);
732 abe0f35f 2020-03-18 stsp if (remain < s->name_len) {
733 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
736 abe0f35f 2020-03-18 stsp name = strndup(imsg.data + off, s->name_len);
737 abe0f35f 2020-03-18 stsp if (name == NULL) {
738 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
741 abe0f35f 2020-03-18 stsp off += s->name_len;
742 abe0f35f 2020-03-18 stsp remain -= s->name_len;
743 abe0f35f 2020-03-18 stsp if (remain < s->target_len) {
744 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
745 abe0f35f 2020-03-18 stsp free(name);
748 abe0f35f 2020-03-18 stsp target = strndup(imsg.data + off, s->target_len);
749 abe0f35f 2020-03-18 stsp if (target == NULL) {
750 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
751 abe0f35f 2020-03-18 stsp free(name);
754 abe0f35f 2020-03-18 stsp off += s->target_len;
755 abe0f35f 2020-03-18 stsp remain -= s->target_len;
756 abe0f35f 2020-03-18 stsp err = got_pathlist_append(symrefs, name, target);
758 abe0f35f 2020-03-18 stsp free(name);
759 abe0f35f 2020-03-18 stsp free(target);
764 ea7396b9 2020-03-18 stsp case GOT_IMSG_FETCH_REF:
765 531c3985 2020-03-18 stsp if (datalen <= SHA1_DIGEST_LENGTH) {
766 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
769 8f2d01a6 2020-03-18 stsp *id = malloc(sizeof(**id));
770 8f2d01a6 2020-03-18 stsp if (*id == NULL) {
771 b9f99abf 2020-03-18 stsp err = got_error_from_errno("malloc");
774 8f2d01a6 2020-03-18 stsp memcpy((*id)->sha1, imsg.data, SHA1_DIGEST_LENGTH);
775 b9f99abf 2020-03-18 stsp *refname = strndup(imsg.data + SHA1_DIGEST_LENGTH,
776 b9f99abf 2020-03-18 stsp datalen - SHA1_DIGEST_LENGTH);
777 b9f99abf 2020-03-18 stsp if (*refname == NULL) {
778 b9f99abf 2020-03-18 stsp err = got_error_from_errno("strndup");
782 531c3985 2020-03-18 stsp case GOT_IMSG_FETCH_SERVER_PROGRESS:
783 531c3985 2020-03-18 stsp if (datalen == 0) {
784 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
787 531c3985 2020-03-18 stsp *server_progress = strndup(imsg.data, datalen);
788 531c3985 2020-03-18 stsp if (*server_progress == NULL) {
789 531c3985 2020-03-18 stsp err = got_error_from_errno("strndup");
792 531c3985 2020-03-18 stsp for (i = 0; i < datalen; i++) {
793 531c3985 2020-03-18 stsp if (!isprint((unsigned char)(*server_progress)[i]) &&
794 531c3985 2020-03-18 stsp !isspace((unsigned char)(*server_progress)[i])) {
795 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
796 531c3985 2020-03-18 stsp free(*server_progress);
797 531c3985 2020-03-18 stsp *server_progress = NULL;
802 d2cdc636 2020-03-18 stsp case GOT_IMSG_FETCH_DOWNLOAD_PROGRESS:
803 d2cdc636 2020-03-18 stsp if (datalen < sizeof(*packfile_size)) {
804 d2cdc636 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
807 d2cdc636 2020-03-18 stsp memcpy(packfile_size, imsg.data, sizeof(*packfile_size));
809 8f2d01a6 2020-03-18 stsp case GOT_IMSG_FETCH_DONE:
810 8f2d01a6 2020-03-18 stsp if (datalen != SHA1_DIGEST_LENGTH) {
811 8f2d01a6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
814 1d72a2a0 2020-03-24 stsp memcpy(pack_sha1, imsg.data, SHA1_DIGEST_LENGTH);
818 b887aab6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
824 8f2d01a6 2020-03-18 stsp *id = NULL;
825 b887aab6 2020-03-18 stsp free(*refname);
826 b887aab6 2020-03-18 stsp *refname = NULL;
828 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
829 f8a36e22 2021-08-26 stsp return err;
832 f8a36e22 2021-08-26 stsp static const struct got_error *
833 f8a36e22 2021-08-26 stsp send_send_ref(const char *name, size_t name_len, struct got_object_id *id,
834 f8a36e22 2021-08-26 stsp int delete, struct imsgbuf *ibuf)
836 f8a36e22 2021-08-26 stsp size_t len;
837 f8a36e22 2021-08-26 stsp struct ibuf *wbuf;
839 f8a36e22 2021-08-26 stsp len = sizeof(struct got_imsg_send_ref) + name_len;
840 f8a36e22 2021-08-26 stsp wbuf = imsg_create(ibuf, GOT_IMSG_SEND_REF, 0, 0, len);
841 f8a36e22 2021-08-26 stsp if (wbuf == NULL)
842 f8a36e22 2021-08-26 stsp return got_error_from_errno("imsg_create SEND_REF");
844 f8a36e22 2021-08-26 stsp /* Keep in sync with struct got_imsg_send_ref! */
845 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, id->sha1, sizeof(id->sha1)) == -1)
846 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
847 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &delete, sizeof(delete)) == -1)
848 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
849 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1)
850 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
851 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, name, name_len) == -1)
852 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add SEND_REF");
854 f8a36e22 2021-08-26 stsp wbuf->fd = -1;
855 f8a36e22 2021-08-26 stsp imsg_close(ibuf, wbuf);
856 f8a36e22 2021-08-26 stsp return flush_imsg(ibuf);
859 f8a36e22 2021-08-26 stsp const struct got_error *
860 f8a36e22 2021-08-26 stsp got_privsep_send_send_req(struct imsgbuf *ibuf, int fd,
861 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs,
862 abc59930 2021-09-05 naddy struct got_pathlist_head *delete_refs,
863 abc59930 2021-09-05 naddy int verbosity)
865 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
866 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *pe;
867 f8a36e22 2021-08-26 stsp struct got_imsg_send_request sendreq;
868 f8a36e22 2021-08-26 stsp struct got_object_id zero_id;
870 f8a36e22 2021-08-26 stsp memset(&zero_id, 0, sizeof(zero_id));
871 f8a36e22 2021-08-26 stsp memset(&sendreq, 0, sizeof(sendreq));
872 f8a36e22 2021-08-26 stsp sendreq.verbosity = verbosity;
873 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry)
874 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
875 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry)
876 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
877 f8a36e22 2021-08-26 stsp if (imsg_compose(ibuf, GOT_IMSG_SEND_REQUEST, 0, 0, fd,
878 f8a36e22 2021-08-26 stsp &sendreq, sizeof(sendreq)) == -1) {
879 f8a36e22 2021-08-26 stsp err = got_error_from_errno(
880 f8a36e22 2021-08-26 stsp "imsg_compose FETCH_SERVER_PROGRESS");
884 f8a36e22 2021-08-26 stsp err = flush_imsg(ibuf);
889 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry) {
890 f8a36e22 2021-08-26 stsp const char *name = pe->path;
891 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
892 f8a36e22 2021-08-26 stsp struct got_object_id *id = pe->data;
893 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, id, 0, ibuf);
898 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry) {
899 f8a36e22 2021-08-26 stsp const char *name = pe->path;
900 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
901 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, &zero_id, 1, ibuf);
906 f8a36e22 2021-08-26 stsp if (fd != -1 && close(fd) == -1 && err == NULL)
907 f8a36e22 2021-08-26 stsp err = got_error_from_errno("close");
908 f8a36e22 2021-08-26 stsp return err;
912 f8a36e22 2021-08-26 stsp const struct got_error *
913 f8a36e22 2021-08-26 stsp got_privsep_recv_send_remote_refs(struct got_pathlist_head *remote_refs,
914 f8a36e22 2021-08-26 stsp struct imsgbuf *ibuf)
916 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
917 f8a36e22 2021-08-26 stsp struct imsg imsg;
918 f8a36e22 2021-08-26 stsp size_t datalen;
919 f8a36e22 2021-08-26 stsp int done = 0;
920 f8a36e22 2021-08-26 stsp struct got_imsg_send_remote_ref iremote_ref;
921 f8a36e22 2021-08-26 stsp struct got_object_id *id = NULL;
922 f8a36e22 2021-08-26 stsp char *refname = NULL;
923 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *new;
925 f8a36e22 2021-08-26 stsp while (!done) {
926 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
928 f8a36e22 2021-08-26 stsp return err;
929 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
930 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
931 f8a36e22 2021-08-26 stsp case GOT_IMSG_ERROR:
932 f8a36e22 2021-08-26 stsp if (datalen < sizeof(struct got_imsg_error)) {
933 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
936 f8a36e22 2021-08-26 stsp err = recv_imsg_error(&imsg, datalen);
938 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REMOTE_REF:
939 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iremote_ref)) {
940 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
943 f8a36e22 2021-08-26 stsp memcpy(&iremote_ref, imsg.data, sizeof(iremote_ref));
944 f8a36e22 2021-08-26 stsp if (datalen != sizeof(iremote_ref) +
945 f8a36e22 2021-08-26 stsp iremote_ref.name_len) {
946 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
949 f8a36e22 2021-08-26 stsp id = malloc(sizeof(*id));
950 f8a36e22 2021-08-26 stsp if (id == NULL) {
951 f8a36e22 2021-08-26 stsp err = got_error_from_errno("malloc");
954 f8a36e22 2021-08-26 stsp memcpy(id->sha1, iremote_ref.id, SHA1_DIGEST_LENGTH);
955 f8a36e22 2021-08-26 stsp refname = strndup(imsg.data + sizeof(iremote_ref),
956 f8a36e22 2021-08-26 stsp datalen - sizeof(iremote_ref));
957 f8a36e22 2021-08-26 stsp if (refname == NULL) {
958 f8a36e22 2021-08-26 stsp err = got_error_from_errno("strndup");
961 f8a36e22 2021-08-26 stsp err = got_pathlist_insert(&new, remote_refs,
962 f8a36e22 2021-08-26 stsp refname, id);
965 f8a36e22 2021-08-26 stsp if (new == NULL) { /* duplicate which wasn't inserted */
967 f8a36e22 2021-08-26 stsp free(refname);
970 f8a36e22 2021-08-26 stsp refname = NULL;
972 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_PACK_REQUEST:
973 f8a36e22 2021-08-26 stsp if (datalen != 0) {
974 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
977 f8a36e22 2021-08-26 stsp /* got-send-pack is now waiting for a pack file. */
981 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
987 f8a36e22 2021-08-26 stsp free(refname);
988 b9f99abf 2020-03-18 stsp imsg_free(&imsg);
989 b9f99abf 2020-03-18 stsp return err;
992 93658fb9 2020-03-18 stsp const struct got_error *
993 f8a36e22 2021-08-26 stsp got_privsep_send_packfd(struct imsgbuf *ibuf, int fd)
995 f8a36e22 2021-08-26 stsp return send_fd(ibuf, GOT_IMSG_SEND_PACKFD, fd);
998 f8a36e22 2021-08-26 stsp const struct got_error *
999 f8a36e22 2021-08-26 stsp got_privsep_recv_send_progress(int *done, off_t *bytes_sent,
1000 f8a36e22 2021-08-26 stsp int *success, char **refname, struct imsgbuf *ibuf)
1002 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
1003 f8a36e22 2021-08-26 stsp struct imsg imsg;
1004 f8a36e22 2021-08-26 stsp size_t datalen;
1005 f8a36e22 2021-08-26 stsp struct got_imsg_send_ref_status iref_status;
1007 f8a36e22 2021-08-26 stsp /* Do not reset the current value of 'bytes_sent', it accumulates. */
1008 f8a36e22 2021-08-26 stsp *done = 0;
1009 f8a36e22 2021-08-26 stsp *success = 0;
1010 f8a36e22 2021-08-26 stsp *refname = NULL;
1012 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1014 f8a36e22 2021-08-26 stsp return err;
1016 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1017 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
1018 f8a36e22 2021-08-26 stsp case GOT_IMSG_ERROR:
1019 f8a36e22 2021-08-26 stsp if (datalen < sizeof(struct got_imsg_error)) {
1020 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1023 f8a36e22 2021-08-26 stsp err = recv_imsg_error(&imsg, datalen);
1025 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_UPLOAD_PROGRESS:
1026 f8a36e22 2021-08-26 stsp if (datalen < sizeof(*bytes_sent)) {
1027 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1030 f8a36e22 2021-08-26 stsp memcpy(bytes_sent, imsg.data, sizeof(*bytes_sent));
1032 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REF_STATUS:
1033 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iref_status)) {
1034 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1037 f8a36e22 2021-08-26 stsp memcpy(&iref_status, imsg.data, sizeof(iref_status));
1038 f8a36e22 2021-08-26 stsp if (datalen != sizeof(iref_status) + iref_status.name_len) {
1039 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1042 f8a36e22 2021-08-26 stsp *success = iref_status.success;
1043 f8a36e22 2021-08-26 stsp *refname = strndup(imsg.data + sizeof(iref_status),
1044 f8a36e22 2021-08-26 stsp iref_status.name_len);
1046 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_DONE:
1047 f8a36e22 2021-08-26 stsp if (datalen != 0) {
1048 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1051 f8a36e22 2021-08-26 stsp *done = 1;
1054 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1058 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
1059 f8a36e22 2021-08-26 stsp return err;
1062 f8a36e22 2021-08-26 stsp const struct got_error *
1063 fd251256 2020-03-24 stsp got_privsep_send_index_pack_req(struct imsgbuf *ibuf, uint8_t *pack_sha1,
1066 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1068 668a20f6 2020-03-18 stsp /* Keep in sync with struct got_imsg_index_pack_request */
1069 93658fb9 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_IDXPACK_REQUEST, 0, 0, fd,
1070 fd251256 2020-03-24 stsp pack_sha1, SHA1_DIGEST_LENGTH) == -1) {
1071 93658fb9 2020-03-18 stsp err = got_error_from_errno("imsg_compose INDEX_REQUEST");
1072 93658fb9 2020-03-18 stsp close(fd);
1073 93658fb9 2020-03-18 stsp return err;
1075 baa9fea0 2020-03-18 stsp return flush_imsg(ibuf);
1078 baa9fea0 2020-03-18 stsp const struct got_error *
1079 73ab1060 2020-03-18 stsp got_privsep_send_index_pack_outfd(struct imsgbuf *ibuf, int fd)
1081 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_IDXPACK_OUTFD, fd);
1084 73ab1060 2020-03-18 stsp const struct got_error *
1085 668a20f6 2020-03-18 stsp got_privsep_recv_index_progress(int *done, int *nobj_total,
1086 668a20f6 2020-03-18 stsp int *nobj_indexed, int *nobj_loose, int *nobj_resolved,
1087 668a20f6 2020-03-18 stsp struct imsgbuf *ibuf)
1089 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1090 93658fb9 2020-03-18 stsp struct imsg imsg;
1091 baa9fea0 2020-03-18 stsp struct got_imsg_index_pack_progress *iprogress;
1092 baa9fea0 2020-03-18 stsp size_t datalen;
1094 baa9fea0 2020-03-18 stsp *done = 0;
1095 668a20f6 2020-03-18 stsp *nobj_total = 0;
1096 668a20f6 2020-03-18 stsp *nobj_indexed = 0;
1097 668a20f6 2020-03-18 stsp *nobj_resolved = 0;
1099 93658fb9 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1101 93658fb9 2020-03-18 stsp return err;
1103 baa9fea0 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1104 baa9fea0 2020-03-18 stsp switch (imsg.hdr.type) {
1105 baa9fea0 2020-03-18 stsp case GOT_IMSG_ERROR:
1106 baa9fea0 2020-03-18 stsp if (datalen < sizeof(struct got_imsg_error)) {
1107 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1110 baa9fea0 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
1112 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_PROGRESS:
1113 baa9fea0 2020-03-18 stsp if (datalen < sizeof(*iprogress)) {
1114 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1117 baa9fea0 2020-03-18 stsp iprogress = (struct got_imsg_index_pack_progress *)imsg.data;
1118 668a20f6 2020-03-18 stsp *nobj_total = iprogress->nobj_total;
1119 668a20f6 2020-03-18 stsp *nobj_indexed = iprogress->nobj_indexed;
1120 668a20f6 2020-03-18 stsp *nobj_loose = iprogress->nobj_loose;
1121 668a20f6 2020-03-18 stsp *nobj_resolved = iprogress->nobj_resolved;
1123 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_DONE:
1124 baa9fea0 2020-03-18 stsp if (datalen != 0) {
1125 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1128 baa9fea0 2020-03-18 stsp *done = 1;
1131 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1135 93658fb9 2020-03-18 stsp imsg_free(&imsg);
1136 baa9fea0 2020-03-18 stsp return err;
1139 93658fb9 2020-03-18 stsp const struct got_error *
1140 cfd633c2 2018-09-10 stsp got_privsep_get_imsg_obj(struct got_object **obj, struct imsg *imsg,
1141 cfd633c2 2018-09-10 stsp struct imsgbuf *ibuf)
1143 291624d8 2018-11-07 stsp struct got_imsg_object *iobj;
1144 cfd633c2 2018-09-10 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1146 291624d8 2018-11-07 stsp if (datalen != sizeof(*iobj))
1147 cfd633c2 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1148 291624d8 2018-11-07 stsp iobj = imsg->data;
1150 cfd633c2 2018-09-10 stsp *obj = calloc(1, sizeof(**obj));
1151 cfd633c2 2018-09-10 stsp if (*obj == NULL)
1152 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
1154 291624d8 2018-11-07 stsp memcpy((*obj)->id.sha1, iobj->id, SHA1_DIGEST_LENGTH);
1155 291624d8 2018-11-07 stsp (*obj)->type = iobj->type;
1156 291624d8 2018-11-07 stsp (*obj)->flags = iobj->flags;
1157 291624d8 2018-11-07 stsp (*obj)->hdrlen = iobj->hdrlen;
1158 291624d8 2018-11-07 stsp (*obj)->size = iobj->size;
1159 c59b3346 2018-09-11 stsp /* path_packfile is handled by caller */
1160 291624d8 2018-11-07 stsp if (iobj->flags & GOT_OBJ_FLAG_PACKED) {
1161 291624d8 2018-11-07 stsp (*obj)->pack_offset = iobj->pack_offset;
1162 291624d8 2018-11-07 stsp (*obj)->pack_idx = iobj->pack_idx;
1164 772802ae 2022-01-27 thomas STAILQ_INIT(&(*obj)->deltas.entries);
1165 772802ae 2022-01-27 thomas return NULL;
1168 2178c42e 2018-04-22 stsp const struct got_error *
1169 2178c42e 2018-04-22 stsp got_privsep_recv_obj(struct got_object **obj, struct imsgbuf *ibuf)
1171 2178c42e 2018-04-22 stsp const struct got_error *err = NULL;
1172 2178c42e 2018-04-22 stsp struct imsg imsg;
1173 c4eae628 2018-04-23 stsp const size_t min_datalen =
1174 c4eae628 2018-04-23 stsp MIN(sizeof(struct got_imsg_error), sizeof(struct got_imsg_object));
1176 2178c42e 2018-04-22 stsp *obj = NULL;
1178 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1180 2178c42e 2018-04-22 stsp return err;
1182 2178c42e 2018-04-22 stsp switch (imsg.hdr.type) {
1183 2178c42e 2018-04-22 stsp case GOT_IMSG_OBJECT:
1184 cfd633c2 2018-09-10 stsp err = got_privsep_get_imsg_obj(obj, &imsg, ibuf);
1187 bff6ca00 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1191 bff6ca00 2018-04-23 stsp imsg_free(&imsg);
1193 bff6ca00 2018-04-23 stsp return err;
1196 c75f7264 2018-09-11 stsp static const struct got_error *
1197 c75f7264 2018-09-11 stsp send_commit_logmsg(struct imsgbuf *ibuf, struct got_commit_object *commit,
1198 c75f7264 2018-09-11 stsp size_t logmsg_len)
1200 fa4ffeb3 2018-11-04 stsp const struct got_error *err = NULL;
1201 c75f7264 2018-09-11 stsp size_t offset, remain;
1203 c75f7264 2018-09-11 stsp offset = 0;
1204 c75f7264 2018-09-11 stsp remain = logmsg_len;
1205 c75f7264 2018-09-11 stsp while (remain > 0) {
1206 c75f7264 2018-09-11 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1208 c75f7264 2018-09-11 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_LOGMSG, 0, 0, -1,
1209 fa4ffeb3 2018-11-04 stsp commit->logmsg + offset, n) == -1) {
1210 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose "
1211 230a42bd 2019-05-11 jcs "COMMIT_LOGMSG");
1215 fa4ffeb3 2018-11-04 stsp err = flush_imsg(ibuf);
1219 c75f7264 2018-09-11 stsp offset += n;
1220 c75f7264 2018-09-11 stsp remain -= n;
1223 fa4ffeb3 2018-11-04 stsp return err;
1226 bff6ca00 2018-04-23 stsp const struct got_error *
1227 068fd2bf 2018-04-24 stsp got_privsep_send_commit(struct imsgbuf *ibuf, struct got_commit_object *commit)
1229 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1230 b9c33926 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1231 bff6ca00 2018-04-23 stsp uint8_t *buf;
1232 bff6ca00 2018-04-23 stsp size_t len, total;
1233 79f35eb3 2018-06-11 stsp struct got_object_qid *qid;
1234 b9c33926 2018-11-07 stsp size_t author_len = strlen(commit->author);
1235 b9c33926 2018-11-07 stsp size_t committer_len = strlen(commit->committer);
1236 c75f7264 2018-09-11 stsp size_t logmsg_len = strlen(commit->logmsg);
1238 b9c33926 2018-11-07 stsp total = sizeof(*icommit) + author_len + committer_len +
1239 b9c33926 2018-11-07 stsp commit->nparents * SHA1_DIGEST_LENGTH;
1241 bff6ca00 2018-04-23 stsp buf = malloc(total);
1242 bff6ca00 2018-04-23 stsp if (buf == NULL)
1243 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1245 b9c33926 2018-11-07 stsp icommit = (struct got_imsg_commit_object *)buf;
1246 a7403916 2018-12-24 stsp memcpy(icommit->tree_id, commit->tree_id->sha1,
1247 a7403916 2018-12-24 stsp sizeof(icommit->tree_id));
1248 b9c33926 2018-11-07 stsp icommit->author_len = author_len;
1249 b9c33926 2018-11-07 stsp icommit->author_time = commit->author_time;
1250 b9c33926 2018-11-07 stsp icommit->author_gmtoff = commit->author_gmtoff;
1251 b9c33926 2018-11-07 stsp icommit->committer_len = committer_len;
1252 b9c33926 2018-11-07 stsp icommit->committer_time = commit->committer_time;
1253 b9c33926 2018-11-07 stsp icommit->committer_gmtoff = commit->committer_gmtoff;
1254 b9c33926 2018-11-07 stsp icommit->logmsg_len = logmsg_len;
1255 b9c33926 2018-11-07 stsp icommit->nparents = commit->nparents;
1257 b9c33926 2018-11-07 stsp len = sizeof(*icommit);
1258 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->author, author_len);
1259 b9c33926 2018-11-07 stsp len += author_len;
1260 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->committer, committer_len);
1261 b9c33926 2018-11-07 stsp len += committer_len;
1262 dbdddfee 2021-06-23 naddy STAILQ_FOREACH(qid, &commit->parent_ids, entry) {
1263 ec242592 2022-04-22 thomas memcpy(buf + len, &qid->id, SHA1_DIGEST_LENGTH);
1264 86acc566 2018-04-23 stsp len += SHA1_DIGEST_LENGTH;
1267 bff6ca00 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT, 0, 0, -1, buf, len) == -1) {
1268 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT");
1269 bff6ca00 2018-04-23 stsp goto done;
1272 904df868 2018-11-04 stsp if (logmsg_len == 0 ||
1273 904df868 2018-11-04 stsp logmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1274 904df868 2018-11-04 stsp err = flush_imsg(ibuf);
1276 904df868 2018-11-04 stsp goto done;
1278 c75f7264 2018-09-11 stsp err = send_commit_logmsg(ibuf, commit, logmsg_len);
1280 bff6ca00 2018-04-23 stsp free(buf);
1281 bff6ca00 2018-04-23 stsp return err;
1284 ca6e02ac 2020-01-07 stsp static const struct got_error *
1285 ca6e02ac 2020-01-07 stsp get_commit_from_imsg(struct got_commit_object **commit,
1286 ca6e02ac 2020-01-07 stsp struct imsg *imsg, size_t datalen, struct imsgbuf *ibuf)
1288 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1289 291624d8 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1290 ca6e02ac 2020-01-07 stsp size_t len = 0;
1293 ca6e02ac 2020-01-07 stsp if (datalen < sizeof(*icommit))
1294 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1296 ca6e02ac 2020-01-07 stsp icommit = imsg->data;
1297 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommit) + icommit->author_len +
1298 ca6e02ac 2020-01-07 stsp icommit->committer_len +
1299 ca6e02ac 2020-01-07 stsp icommit->nparents * SHA1_DIGEST_LENGTH)
1300 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1302 ca6e02ac 2020-01-07 stsp if (icommit->nparents < 0)
1303 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1305 ca6e02ac 2020-01-07 stsp len += sizeof(*icommit);
1307 ca6e02ac 2020-01-07 stsp *commit = got_object_commit_alloc_partial();
1308 ca6e02ac 2020-01-07 stsp if (*commit == NULL)
1309 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
1310 ca6e02ac 2020-01-07 stsp "got_object_commit_alloc_partial");
1312 ca6e02ac 2020-01-07 stsp memcpy((*commit)->tree_id->sha1, icommit->tree_id,
1313 ca6e02ac 2020-01-07 stsp SHA1_DIGEST_LENGTH);
1314 ca6e02ac 2020-01-07 stsp (*commit)->author_time = icommit->author_time;
1315 ca6e02ac 2020-01-07 stsp (*commit)->author_gmtoff = icommit->author_gmtoff;
1316 ca6e02ac 2020-01-07 stsp (*commit)->committer_time = icommit->committer_time;
1317 ca6e02ac 2020-01-07 stsp (*commit)->committer_gmtoff = icommit->committer_gmtoff;
1319 ca6e02ac 2020-01-07 stsp if (icommit->author_len == 0) {
1320 ca6e02ac 2020-01-07 stsp (*commit)->author = strdup("");
1321 ca6e02ac 2020-01-07 stsp if ((*commit)->author == NULL) {
1322 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1323 ca6e02ac 2020-01-07 stsp goto done;
1326 ca6e02ac 2020-01-07 stsp (*commit)->author = malloc(icommit->author_len + 1);
1327 ca6e02ac 2020-01-07 stsp if ((*commit)->author == NULL) {
1328 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1329 ca6e02ac 2020-01-07 stsp goto done;
1331 ca6e02ac 2020-01-07 stsp memcpy((*commit)->author, imsg->data + len,
1332 ca6e02ac 2020-01-07 stsp icommit->author_len);
1333 ca6e02ac 2020-01-07 stsp (*commit)->author[icommit->author_len] = '\0';
1335 ca6e02ac 2020-01-07 stsp len += icommit->author_len;
1337 ca6e02ac 2020-01-07 stsp if (icommit->committer_len == 0) {
1338 ca6e02ac 2020-01-07 stsp (*commit)->committer = strdup("");
1339 ca6e02ac 2020-01-07 stsp if ((*commit)->committer == NULL) {
1340 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1341 ca6e02ac 2020-01-07 stsp goto done;
1344 ca6e02ac 2020-01-07 stsp (*commit)->committer =
1345 ca6e02ac 2020-01-07 stsp malloc(icommit->committer_len + 1);
1346 ca6e02ac 2020-01-07 stsp if ((*commit)->committer == NULL) {
1347 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1348 ca6e02ac 2020-01-07 stsp goto done;
1350 ca6e02ac 2020-01-07 stsp memcpy((*commit)->committer, imsg->data + len,
1351 ca6e02ac 2020-01-07 stsp icommit->committer_len);
1352 ca6e02ac 2020-01-07 stsp (*commit)->committer[icommit->committer_len] = '\0';
1354 ca6e02ac 2020-01-07 stsp len += icommit->committer_len;
1356 ca6e02ac 2020-01-07 stsp if (icommit->logmsg_len == 0) {
1357 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = strdup("");
1358 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1359 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1360 ca6e02ac 2020-01-07 stsp goto done;
1363 ca6e02ac 2020-01-07 stsp size_t offset = 0, remain = icommit->logmsg_len;
1365 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = malloc(icommit->logmsg_len + 1);
1366 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1367 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1368 ca6e02ac 2020-01-07 stsp goto done;
1370 ca6e02ac 2020-01-07 stsp while (remain > 0) {
1371 ca6e02ac 2020-01-07 stsp struct imsg imsg_log;
1372 ca6e02ac 2020-01-07 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1375 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1377 ca6e02ac 2020-01-07 stsp goto done;
1379 ca6e02ac 2020-01-07 stsp if (imsg_log.hdr.type != GOT_IMSG_COMMIT_LOGMSG) {
1380 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1381 ca6e02ac 2020-01-07 stsp goto done;
1384 ca6e02ac 2020-01-07 stsp memcpy((*commit)->logmsg + offset,
1385 ca6e02ac 2020-01-07 stsp imsg_log.data, n);
1386 ca6e02ac 2020-01-07 stsp imsg_free(&imsg_log);
1387 ca6e02ac 2020-01-07 stsp offset += n;
1388 ca6e02ac 2020-01-07 stsp remain -= n;
1390 ca6e02ac 2020-01-07 stsp (*commit)->logmsg[icommit->logmsg_len] = '\0';
1393 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommit->nparents; i++) {
1394 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
1396 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
1399 ec242592 2022-04-22 thomas memcpy(&qid->id, imsg->data + len +
1400 ec242592 2022-04-22 thomas i * SHA1_DIGEST_LENGTH, sizeof(qid->id));
1401 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(&(*commit)->parent_ids, qid, entry);
1402 ca6e02ac 2020-01-07 stsp (*commit)->nparents++;
1405 ca6e02ac 2020-01-07 stsp if (err) {
1406 ca6e02ac 2020-01-07 stsp got_object_commit_close(*commit);
1407 ca6e02ac 2020-01-07 stsp *commit = NULL;
1409 ca6e02ac 2020-01-07 stsp return err;
1412 ca6e02ac 2020-01-07 stsp const struct got_error *
1413 ca6e02ac 2020-01-07 stsp got_privsep_recv_commit(struct got_commit_object **commit, struct imsgbuf *ibuf)
1415 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
1416 ca6e02ac 2020-01-07 stsp struct imsg imsg;
1417 ca6e02ac 2020-01-07 stsp size_t datalen;
1418 ca6e02ac 2020-01-07 stsp const size_t min_datalen =
1419 ca6e02ac 2020-01-07 stsp MIN(sizeof(struct got_imsg_error),
1420 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_object));
1422 ca6e02ac 2020-01-07 stsp *commit = NULL;
1424 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1426 ca6e02ac 2020-01-07 stsp return err;
1428 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1430 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
1431 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
1432 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(commit, &imsg, datalen, ibuf);
1435 8c580685 2018-04-22 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1439 2178c42e 2018-04-22 stsp imsg_free(&imsg);
1441 e033d803 2018-04-23 stsp return err;
1444 06de99ad 2022-05-19 thomas static const struct got_error *
1445 13280750 2022-06-13 thomas send_tree_entries_batch(struct imsgbuf *ibuf,
1446 13280750 2022-06-13 thomas struct got_parsed_tree_entry *entries, int idx0, int idxN, size_t len)
1448 06de99ad 2022-05-19 thomas struct ibuf *wbuf;
1449 06de99ad 2022-05-19 thomas struct got_imsg_tree_entries ientries;
1452 06de99ad 2022-05-19 thomas wbuf = imsg_create(ibuf, GOT_IMSG_TREE_ENTRIES, 0, 0, len);
1453 06de99ad 2022-05-19 thomas if (wbuf == NULL)
1454 06de99ad 2022-05-19 thomas return got_error_from_errno("imsg_create TREE_ENTRY");
1456 06de99ad 2022-05-19 thomas ientries.nentries = idxN - idx0 + 1;
1457 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &ientries, sizeof(ientries)) == -1)
1458 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1460 06de99ad 2022-05-19 thomas for (i = idx0; i <= idxN; i++) {
1461 06de99ad 2022-05-19 thomas struct got_parsed_tree_entry *pte = &entries[i];
1463 3022d272 2019-11-14 stsp /* Keep in sync with struct got_imsg_tree_object definition! */
1464 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, pte->id, SHA1_DIGEST_LENGTH) == -1)
1465 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1466 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &pte->mode, sizeof(pte->mode)) == -1)
1467 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1468 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &pte->namelen, sizeof(pte->namelen)) == -1)
1469 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1471 06de99ad 2022-05-19 thomas /* Remaining bytes are the entry's name. */
1472 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, pte->name, pte->namelen) == -1)
1473 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add TREE_ENTRY");
1476 06de99ad 2022-05-19 thomas wbuf->fd = -1;
1477 06de99ad 2022-05-19 thomas imsg_close(ibuf, wbuf);
1478 06de99ad 2022-05-19 thomas return NULL;
1481 13280750 2022-06-13 thomas static const struct got_error *
1482 13280750 2022-06-13 thomas send_tree_entries(struct imsgbuf *ibuf, struct got_parsed_tree_entry *entries,
1483 13280750 2022-06-13 thomas int nentries)
1485 06de99ad 2022-05-19 thomas const struct got_error *err = NULL;
1486 06de99ad 2022-05-19 thomas int i, j;
1487 13280750 2022-06-13 thomas size_t entries_len = sizeof(struct got_imsg_tree_entries);
1490 06de99ad 2022-05-19 thomas for (j = 0; j < nentries; j++) {
1491 06de99ad 2022-05-19 thomas struct got_parsed_tree_entry *pte = &entries[j];
1492 06de99ad 2022-05-19 thomas size_t len = sizeof(*pte) + pte->namelen;
1494 06de99ad 2022-05-19 thomas if (j > 0 &&
1495 06de99ad 2022-05-19 thomas entries_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1496 13280750 2022-06-13 thomas err = send_tree_entries_batch(ibuf, entries,
1497 06de99ad 2022-05-19 thomas i, j - 1, entries_len);
1498 06de99ad 2022-05-19 thomas if (err)
1499 06de99ad 2022-05-19 thomas return err;
1501 06de99ad 2022-05-19 thomas entries_len = sizeof(struct got_imsg_tree_entries);
1504 06de99ad 2022-05-19 thomas entries_len += len;
1507 06de99ad 2022-05-19 thomas if (j > 0) {
1508 13280750 2022-06-13 thomas err = send_tree_entries_batch(ibuf, entries, i, j - 1,
1509 13280750 2022-06-13 thomas entries_len);
1510 06de99ad 2022-05-19 thomas if (err)
1511 06de99ad 2022-05-19 thomas return err;
1514 13280750 2022-06-13 thomas return NULL;
1517 13280750 2022-06-13 thomas const struct got_error *
1518 13280750 2022-06-13 thomas got_privsep_send_tree(struct imsgbuf *ibuf,
1519 13280750 2022-06-13 thomas struct got_parsed_tree_entry *entries, int nentries)
1521 13280750 2022-06-13 thomas const struct got_error *err = NULL;
1522 13280750 2022-06-13 thomas struct got_imsg_tree_object itree;
1524 13280750 2022-06-13 thomas itree.nentries = nentries;
1525 13280750 2022-06-13 thomas if (imsg_compose(ibuf, GOT_IMSG_TREE, 0, 0, -1, &itree, sizeof(itree))
1527 13280750 2022-06-13 thomas return got_error_from_errno("imsg_compose TREE");
1529 13280750 2022-06-13 thomas err = send_tree_entries(ibuf, entries, nentries);
1530 13280750 2022-06-13 thomas if (err)
1531 13280750 2022-06-13 thomas return err;
1533 b00c9821 2018-11-04 stsp return flush_imsg(ibuf);
1537 13280750 2022-06-13 thomas static const struct got_error *
1538 13280750 2022-06-13 thomas recv_tree_entries(void *data, size_t datalen, struct got_tree_object *tree,
1539 13280750 2022-06-13 thomas int *nentries)
1541 13280750 2022-06-13 thomas const struct got_error *err = NULL;
1542 13280750 2022-06-13 thomas struct got_imsg_tree_entries *ientries;
1543 13280750 2022-06-13 thomas struct got_tree_entry *te;
1544 13280750 2022-06-13 thomas size_t te_offset;
1545 13280750 2022-06-13 thomas size_t i;
1547 13280750 2022-06-13 thomas if (datalen <= sizeof(*ientries) ||
1548 13280750 2022-06-13 thomas datalen > MAX_IMSGSIZE - IMSG_HEADER_SIZE)
1549 13280750 2022-06-13 thomas return got_error(GOT_ERR_PRIVSEP_LEN);
1551 13280750 2022-06-13 thomas ientries = (struct got_imsg_tree_entries *)data;
1552 13280750 2022-06-13 thomas if (ientries->nentries > INT_MAX) {
1553 13280750 2022-06-13 thomas return got_error_msg(GOT_ERR_NO_SPACE,
1554 13280750 2022-06-13 thomas "too many tree entries");
1557 13280750 2022-06-13 thomas te_offset = sizeof(*ientries);
1558 13280750 2022-06-13 thomas for (i = 0; i < ientries->nentries; i++) {
1559 13280750 2022-06-13 thomas struct got_imsg_tree_entry ite;
1560 13280750 2022-06-13 thomas const char *te_name;
1561 13280750 2022-06-13 thomas uint8_t *buf = (uint8_t *)data + te_offset;
1563 13280750 2022-06-13 thomas if (te_offset >= datalen) {
1564 13280750 2022-06-13 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1568 13280750 2022-06-13 thomas /* Might not be aligned, size is ~32 bytes. */
1569 13280750 2022-06-13 thomas memcpy(&ite, buf, sizeof(ite));
1571 13280750 2022-06-13 thomas if (ite.namelen >= sizeof(te->name)) {
1572 13280750 2022-06-13 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1575 c8fa56b3 2022-06-13 thomas if (te_offset + sizeof(ite) + ite.namelen > datalen) {
1576 13280750 2022-06-13 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1580 13280750 2022-06-13 thomas if (*nentries >= tree->nentries) {
1581 13280750 2022-06-13 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1584 13280750 2022-06-13 thomas te = &tree->entries[*nentries];
1585 13280750 2022-06-13 thomas te_name = buf + sizeof(ite);
1586 13280750 2022-06-13 thomas memcpy(te->name, te_name, ite.namelen);
1587 13280750 2022-06-13 thomas te->name[ite.namelen] = '\0';
1588 13280750 2022-06-13 thomas memcpy(te->id.sha1, ite.id, SHA1_DIGEST_LENGTH);
1589 13280750 2022-06-13 thomas te->mode = ite.mode;
1590 13280750 2022-06-13 thomas te->idx = *nentries;
1591 13280750 2022-06-13 thomas (*nentries)++;
1593 13280750 2022-06-13 thomas te_offset += sizeof(ite) + ite.namelen;
1596 13280750 2022-06-13 thomas return err;
1599 e033d803 2018-04-23 stsp const struct got_error *
1600 068fd2bf 2018-04-24 stsp got_privsep_recv_tree(struct got_tree_object **tree, struct imsgbuf *ibuf)
1602 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
1603 e033d803 2018-04-23 stsp const size_t min_datalen =
1604 e033d803 2018-04-23 stsp MIN(sizeof(struct got_imsg_error),
1605 e033d803 2018-04-23 stsp sizeof(struct got_imsg_tree_object));
1606 291624d8 2018-11-07 stsp struct got_imsg_tree_object *itree;
1607 e033d803 2018-04-23 stsp int nentries = 0;
1609 e033d803 2018-04-23 stsp *tree = NULL;
1611 e033d803 2018-04-23 stsp err = read_imsg(ibuf);
1613 1e51f5b9 2018-04-23 stsp goto done;
1616 e033d803 2018-04-23 stsp struct imsg imsg;
1618 e033d803 2018-04-23 stsp size_t datalen;
1620 e033d803 2018-04-23 stsp n = imsg_get(ibuf, &imsg);
1621 e033d803 2018-04-23 stsp if (n == 0) {
1622 8767bb94 2022-05-19 thomas if ((*tree)) {
1623 8767bb94 2022-05-19 thomas if (nentries < (*tree)->nentries) {
1624 8767bb94 2022-05-19 thomas err = read_imsg(ibuf);
1625 8767bb94 2022-05-19 thomas if (err)
1627 8767bb94 2022-05-19 thomas continue;
1630 8767bb94 2022-05-19 thomas } else {
1631 8767bb94 2022-05-19 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
1636 fca1f6ad 2020-08-27 stsp if (imsg.hdr.len < IMSG_HEADER_SIZE + min_datalen) {
1637 fca1f6ad 2020-08-27 stsp imsg_free(&imsg);
1638 fca1f6ad 2020-08-27 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1642 e033d803 2018-04-23 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1644 e033d803 2018-04-23 stsp switch (imsg.hdr.type) {
1645 e033d803 2018-04-23 stsp case GOT_IMSG_ERROR:
1646 e033d803 2018-04-23 stsp err = recv_imsg_error(&imsg, datalen);
1648 e033d803 2018-04-23 stsp case GOT_IMSG_TREE:
1649 e033d803 2018-04-23 stsp /* This message should only appear once. */
1650 e033d803 2018-04-23 stsp if (*tree != NULL) {
1651 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1654 291624d8 2018-11-07 stsp if (datalen != sizeof(*itree)) {
1655 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1658 291624d8 2018-11-07 stsp itree = imsg.data;
1659 ace4d4e7 2022-05-19 thomas if (itree->nentries < 0) {
1660 ace4d4e7 2022-05-19 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
1663 c3b78ecc 2018-11-07 stsp *tree = malloc(sizeof(**tree));
1664 e033d803 2018-04-23 stsp if (*tree == NULL) {
1665 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1668 56e0773d 2019-11-28 stsp (*tree)->entries = calloc(itree->nentries,
1669 56e0773d 2019-11-28 stsp sizeof(struct got_tree_entry));
1670 56e0773d 2019-11-28 stsp if ((*tree)->entries == NULL) {
1671 56e0773d 2019-11-28 stsp err = got_error_from_errno("malloc");
1672 c3bacae2 2022-05-19 thomas free(*tree);
1673 c3bacae2 2022-05-19 thomas *tree = NULL;
1676 56e0773d 2019-11-28 stsp (*tree)->nentries = itree->nentries;
1677 c3b78ecc 2018-11-07 stsp (*tree)->refcnt = 0;
1679 06de99ad 2022-05-19 thomas case GOT_IMSG_TREE_ENTRIES:
1680 e033d803 2018-04-23 stsp /* This message should be preceeded by GOT_IMSG_TREE. */
1681 e033d803 2018-04-23 stsp if (*tree == NULL) {
1682 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1685 13280750 2022-06-13 thomas err = recv_tree_entries(imsg.data, datalen,
1686 13280750 2022-06-13 thomas *tree, &nentries);
1689 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1693 e033d803 2018-04-23 stsp imsg_free(&imsg);
1698 56e0773d 2019-11-28 stsp if (*tree && (*tree)->nentries != nentries) {
1699 1e51f5b9 2018-04-23 stsp if (err == NULL)
1700 1e51f5b9 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1701 e033d803 2018-04-23 stsp got_object_tree_close(*tree);
1702 e033d803 2018-04-23 stsp *tree = NULL;
1705 ff6b18f8 2018-04-24 stsp return err;
1708 ff6b18f8 2018-04-24 stsp const struct got_error *
1709 ac544f8c 2019-01-13 stsp got_privsep_send_blob(struct imsgbuf *ibuf, size_t size, size_t hdrlen,
1710 ac544f8c 2019-01-13 stsp const uint8_t *data)
1712 2967a784 2018-04-24 stsp struct got_imsg_blob iblob;
1714 2967a784 2018-04-24 stsp iblob.size = size;
1715 ebc55e2d 2018-12-24 stsp iblob.hdrlen = hdrlen;
1717 ac544f8c 2019-01-13 stsp if (data) {
1718 ac544f8c 2019-01-13 stsp uint8_t *buf;
1720 ac544f8c 2019-01-13 stsp if (size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX)
1721 ac544f8c 2019-01-13 stsp return got_error(GOT_ERR_NO_SPACE);
1723 ac544f8c 2019-01-13 stsp buf = malloc(sizeof(iblob) + size);
1724 ac544f8c 2019-01-13 stsp if (buf == NULL)
1725 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1727 ac544f8c 2019-01-13 stsp memcpy(buf, &iblob, sizeof(iblob));
1728 ac544f8c 2019-01-13 stsp memcpy(buf + sizeof(iblob), data, size);
1729 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, buf,
1730 62d463ca 2020-10-20 naddy sizeof(iblob) + size) == -1) {
1731 ac544f8c 2019-01-13 stsp free(buf);
1732 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1734 ac544f8c 2019-01-13 stsp free(buf);
1736 ac544f8c 2019-01-13 stsp /* Data has already been written to file descriptor. */
1737 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, &iblob,
1738 ac544f8c 2019-01-13 stsp sizeof(iblob)) == -1)
1739 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1743 ff6b18f8 2018-04-24 stsp return flush_imsg(ibuf);
1746 ff6b18f8 2018-04-24 stsp const struct got_error *
1747 ac544f8c 2019-01-13 stsp got_privsep_recv_blob(uint8_t **outbuf, size_t *size, size_t *hdrlen,
1748 ac544f8c 2019-01-13 stsp struct imsgbuf *ibuf)
1750 ff6b18f8 2018-04-24 stsp const struct got_error *err = NULL;
1751 ff6b18f8 2018-04-24 stsp struct imsg imsg;
1752 291624d8 2018-11-07 stsp struct got_imsg_blob *iblob;
1753 ff6b18f8 2018-04-24 stsp size_t datalen;
1755 ac544f8c 2019-01-13 stsp *outbuf = NULL;
1757 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1759 ff6b18f8 2018-04-24 stsp return err;
1761 ff6b18f8 2018-04-24 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1763 ff6b18f8 2018-04-24 stsp switch (imsg.hdr.type) {
1764 ff6b18f8 2018-04-24 stsp case GOT_IMSG_BLOB:
1765 ac544f8c 2019-01-13 stsp if (datalen < sizeof(*iblob)) {
1766 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1769 291624d8 2018-11-07 stsp iblob = imsg.data;
1770 291624d8 2018-11-07 stsp *size = iblob->size;
1771 ebc55e2d 2018-12-24 stsp *hdrlen = iblob->hdrlen;
1773 ac544f8c 2019-01-13 stsp if (datalen == sizeof(*iblob)) {
1774 ac544f8c 2019-01-13 stsp /* Data has been written to file descriptor. */
1778 ac544f8c 2019-01-13 stsp if (*size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX) {
1779 ac544f8c 2019-01-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1783 ac544f8c 2019-01-13 stsp *outbuf = malloc(*size);
1784 ac544f8c 2019-01-13 stsp if (*outbuf == NULL) {
1785 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1788 ac544f8c 2019-01-13 stsp memcpy(*outbuf, imsg.data + sizeof(*iblob), *size);
1791 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1795 f4a881ce 2018-11-17 stsp imsg_free(&imsg);
1797 f4a881ce 2018-11-17 stsp return err;
1800 f4a881ce 2018-11-17 stsp static const struct got_error *
1801 f4a881ce 2018-11-17 stsp send_tagmsg(struct imsgbuf *ibuf, struct got_tag_object *tag, size_t tagmsg_len)
1803 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1804 f4a881ce 2018-11-17 stsp size_t offset, remain;
1806 f4a881ce 2018-11-17 stsp offset = 0;
1807 f4a881ce 2018-11-17 stsp remain = tagmsg_len;
1808 f4a881ce 2018-11-17 stsp while (remain > 0) {
1809 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1811 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_TAGMSG, 0, 0, -1,
1812 f4a881ce 2018-11-17 stsp tag->tagmsg + offset, n) == -1) {
1813 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG_TAGMSG");
1817 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1821 f4a881ce 2018-11-17 stsp offset += n;
1822 f4a881ce 2018-11-17 stsp remain -= n;
1825 f4a881ce 2018-11-17 stsp return err;
1828 f4a881ce 2018-11-17 stsp const struct got_error *
1829 f4a881ce 2018-11-17 stsp got_privsep_send_tag(struct imsgbuf *ibuf, struct got_tag_object *tag)
1831 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1832 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1833 f4a881ce 2018-11-17 stsp uint8_t *buf;
1834 f4a881ce 2018-11-17 stsp size_t len, total;
1835 f4a881ce 2018-11-17 stsp size_t tag_len = strlen(tag->tag);
1836 f4a881ce 2018-11-17 stsp size_t tagger_len = strlen(tag->tagger);
1837 f4a881ce 2018-11-17 stsp size_t tagmsg_len = strlen(tag->tagmsg);
1839 f4a881ce 2018-11-17 stsp total = sizeof(*itag) + tag_len + tagger_len + tagmsg_len;
1841 f4a881ce 2018-11-17 stsp buf = malloc(total);
1842 f4a881ce 2018-11-17 stsp if (buf == NULL)
1843 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1845 f4a881ce 2018-11-17 stsp itag = (struct got_imsg_tag_object *)buf;
1846 f4a881ce 2018-11-17 stsp memcpy(itag->id, tag->id.sha1, sizeof(itag->id));
1847 f4a881ce 2018-11-17 stsp itag->obj_type = tag->obj_type;
1848 f4a881ce 2018-11-17 stsp itag->tag_len = tag_len;
1849 f4a881ce 2018-11-17 stsp itag->tagger_len = tagger_len;
1850 f4a881ce 2018-11-17 stsp itag->tagger_time = tag->tagger_time;
1851 f4a881ce 2018-11-17 stsp itag->tagger_gmtoff = tag->tagger_gmtoff;
1852 f4a881ce 2018-11-17 stsp itag->tagmsg_len = tagmsg_len;
1854 f4a881ce 2018-11-17 stsp len = sizeof(*itag);
1855 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tag, tag_len);
1856 f4a881ce 2018-11-17 stsp len += tag_len;
1857 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tagger, tagger_len);
1858 f4a881ce 2018-11-17 stsp len += tagger_len;
1860 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG, 0, 0, -1, buf, len) == -1) {
1861 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG");
1862 f4a881ce 2018-11-17 stsp goto done;
1865 f4a881ce 2018-11-17 stsp if (tagmsg_len == 0 ||
1866 f4a881ce 2018-11-17 stsp tagmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1867 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1869 f4a881ce 2018-11-17 stsp goto done;
1871 f4a881ce 2018-11-17 stsp err = send_tagmsg(ibuf, tag, tagmsg_len);
1873 f4a881ce 2018-11-17 stsp free(buf);
1874 f4a881ce 2018-11-17 stsp return err;
1877 f4a881ce 2018-11-17 stsp const struct got_error *
1878 f4a881ce 2018-11-17 stsp got_privsep_recv_tag(struct got_tag_object **tag, struct imsgbuf *ibuf)
1880 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1881 f4a881ce 2018-11-17 stsp struct imsg imsg;
1882 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1883 f4a881ce 2018-11-17 stsp size_t len, datalen;
1884 f4a881ce 2018-11-17 stsp const size_t min_datalen =
1885 f4a881ce 2018-11-17 stsp MIN(sizeof(struct got_imsg_error),
1886 f4a881ce 2018-11-17 stsp sizeof(struct got_imsg_tag_object));
1888 f4a881ce 2018-11-17 stsp *tag = NULL;
1890 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1892 f4a881ce 2018-11-17 stsp return err;
1894 f4a881ce 2018-11-17 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1897 f4a881ce 2018-11-17 stsp switch (imsg.hdr.type) {
1898 f4a881ce 2018-11-17 stsp case GOT_IMSG_TAG:
1899 f4a881ce 2018-11-17 stsp if (datalen < sizeof(*itag)) {
1900 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1903 f4a881ce 2018-11-17 stsp itag = imsg.data;
1904 f4a881ce 2018-11-17 stsp if (datalen != sizeof(*itag) + itag->tag_len +
1905 f4a881ce 2018-11-17 stsp itag->tagger_len) {
1906 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1909 f4a881ce 2018-11-17 stsp len += sizeof(*itag);
1911 f4a881ce 2018-11-17 stsp *tag = calloc(1, sizeof(**tag));
1912 f4a881ce 2018-11-17 stsp if (*tag == NULL) {
1913 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
1917 f4a881ce 2018-11-17 stsp memcpy((*tag)->id.sha1, itag->id, SHA1_DIGEST_LENGTH);
1919 f4a881ce 2018-11-17 stsp if (itag->tag_len == 0) {
1920 f4a881ce 2018-11-17 stsp (*tag)->tag = strdup("");
1921 f4a881ce 2018-11-17 stsp if ((*tag)->tag == NULL) {
1922 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1926 f4a881ce 2018-11-17 stsp (*tag)->tag = malloc(itag->tag_len + 1);
1927 f4a881ce 2018-11-17 stsp if ((*tag)->tag == NULL) {
1928 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1931 f4a881ce 2018-11-17 stsp memcpy((*tag)->tag, imsg.data + len,
1932 f4a881ce 2018-11-17 stsp itag->tag_len);
1933 f4a881ce 2018-11-17 stsp (*tag)->tag[itag->tag_len] = '\0';
1935 f4a881ce 2018-11-17 stsp len += itag->tag_len;
1937 f4a881ce 2018-11-17 stsp (*tag)->obj_type = itag->obj_type;
1938 f4a881ce 2018-11-17 stsp (*tag)->tagger_time = itag->tagger_time;
1939 f4a881ce 2018-11-17 stsp (*tag)->tagger_gmtoff = itag->tagger_gmtoff;
1941 f4a881ce 2018-11-17 stsp if (itag->tagger_len == 0) {
1942 f4a881ce 2018-11-17 stsp (*tag)->tagger = strdup("");
1943 f4a881ce 2018-11-17 stsp if ((*tag)->tagger == NULL) {
1944 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1948 f4a881ce 2018-11-17 stsp (*tag)->tagger = malloc(itag->tagger_len + 1);
1949 f4a881ce 2018-11-17 stsp if ((*tag)->tagger == NULL) {
1950 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1953 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagger, imsg.data + len,
1954 f4a881ce 2018-11-17 stsp itag->tagger_len);
1955 f4a881ce 2018-11-17 stsp (*tag)->tagger[itag->tagger_len] = '\0';
1957 f4a881ce 2018-11-17 stsp len += itag->tagger_len;
1959 f4a881ce 2018-11-17 stsp if (itag->tagmsg_len == 0) {
1960 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = strdup("");
1961 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1962 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1966 f4a881ce 2018-11-17 stsp size_t offset = 0, remain = itag->tagmsg_len;
1968 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = malloc(itag->tagmsg_len + 1);
1969 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1970 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1973 f4a881ce 2018-11-17 stsp while (remain > 0) {
1974 f4a881ce 2018-11-17 stsp struct imsg imsg_log;
1975 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1978 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1980 f4a881ce 2018-11-17 stsp return err;
1982 f4a881ce 2018-11-17 stsp if (imsg_log.hdr.type != GOT_IMSG_TAG_TAGMSG)
1983 f4a881ce 2018-11-17 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
1985 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagmsg + offset, imsg_log.data,
1987 f4a881ce 2018-11-17 stsp imsg_free(&imsg_log);
1988 f4a881ce 2018-11-17 stsp offset += n;
1989 f4a881ce 2018-11-17 stsp remain -= n;
1991 f4a881ce 2018-11-17 stsp (*tag)->tagmsg[itag->tagmsg_len] = '\0';
1996 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2000 ff6b18f8 2018-04-24 stsp imsg_free(&imsg);
2002 2178c42e 2018-04-22 stsp return err;
2005 876c234b 2018-09-10 stsp const struct got_error *
2006 876c234b 2018-09-10 stsp got_privsep_init_pack_child(struct imsgbuf *ibuf, struct got_pack *pack,
2007 876c234b 2018-09-10 stsp struct got_packidx *packidx)
2009 41496140 2019-02-21 stsp const struct got_error *err = NULL;
2010 876c234b 2018-09-10 stsp struct got_imsg_packidx ipackidx;
2011 876c234b 2018-09-10 stsp struct got_imsg_pack ipack;
2014 876c234b 2018-09-10 stsp ipackidx.len = packidx->len;
2015 c3564dfa 2021-07-15 stsp ipackidx.packfile_size = pack->filesize;
2016 876c234b 2018-09-10 stsp fd = dup(packidx->fd);
2017 876c234b 2018-09-10 stsp if (fd == -1)
2018 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
2020 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKIDX, 0, 0, fd, &ipackidx,
2021 41496140 2019-02-21 stsp sizeof(ipackidx)) == -1) {
2022 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACKIDX");
2023 41496140 2019-02-21 stsp close(fd);
2024 41496140 2019-02-21 stsp return err;
2027 876c234b 2018-09-10 stsp if (strlcpy(ipack.path_packfile, pack->path_packfile,
2028 876c234b 2018-09-10 stsp sizeof(ipack.path_packfile)) >= sizeof(ipack.path_packfile))
2029 876c234b 2018-09-10 stsp return got_error(GOT_ERR_NO_SPACE);
2030 876c234b 2018-09-10 stsp ipack.filesize = pack->filesize;
2032 876c234b 2018-09-10 stsp fd = dup(pack->fd);
2033 876c234b 2018-09-10 stsp if (fd == -1)
2034 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
2036 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACK, 0, 0, fd, &ipack, sizeof(ipack))
2038 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACK");
2039 41496140 2019-02-21 stsp close(fd);
2040 41496140 2019-02-21 stsp return err;
2043 876c234b 2018-09-10 stsp return flush_imsg(ibuf);
2046 876c234b 2018-09-10 stsp const struct got_error *
2047 106807b4 2018-09-15 stsp got_privsep_send_packed_obj_req(struct imsgbuf *ibuf, int idx,
2048 106807b4 2018-09-15 stsp struct got_object_id *id)
2050 876c234b 2018-09-10 stsp struct got_imsg_packed_object iobj;
2052 876c234b 2018-09-10 stsp iobj.idx = idx;
2053 106807b4 2018-09-15 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
2055 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_OBJECT_REQUEST, 0, 0, -1,
2056 876c234b 2018-09-10 stsp &iobj, sizeof(iobj)) == -1)
2057 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose "
2058 230a42bd 2019-05-11 jcs "PACKED_OBJECT_REQUEST");
2060 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2063 aba9c984 2019-09-08 stsp const struct got_error *
2064 59d1e4a0 2021-03-10 stsp got_privsep_send_packed_raw_obj_req(struct imsgbuf *ibuf, int idx,
2065 59d1e4a0 2021-03-10 stsp struct got_object_id *id)
2067 59d1e4a0 2021-03-10 stsp struct got_imsg_packed_object iobj;
2069 59d1e4a0 2021-03-10 stsp iobj.idx = idx;
2070 59d1e4a0 2021-03-10 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
2072 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_RAW_OBJECT_REQUEST, 0, 0, -1,
2073 59d1e4a0 2021-03-10 stsp &iobj, sizeof(iobj)) == -1)
2074 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose "
2075 59d1e4a0 2021-03-10 stsp "PACKED_OBJECT_REQUEST");
2077 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
2080 59d1e4a0 2021-03-10 stsp const struct got_error *
2081 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_parse_req(struct imsgbuf *ibuf, int fd)
2083 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2085 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_PARSE_REQUEST, 0, 0, fd,
2086 aba9c984 2019-09-08 stsp NULL, 0) == -1) {
2087 aba9c984 2019-09-08 stsp err = got_error_from_errno("imsg_compose "
2088 aba9c984 2019-09-08 stsp "GITCONFIG_PARSE_REQUEST");
2089 aba9c984 2019-09-08 stsp close(fd);
2090 aba9c984 2019-09-08 stsp return err;
2093 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2096 aba9c984 2019-09-08 stsp const struct got_error *
2097 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_repository_format_version_req(struct imsgbuf *ibuf)
2099 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2100 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST, 0, 0, -1,
2101 aba9c984 2019-09-08 stsp NULL, 0) == -1)
2102 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2103 aba9c984 2019-09-08 stsp "GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST");
2105 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2108 aba9c984 2019-09-08 stsp const struct got_error *
2109 20b7abb3 2020-10-22 stsp got_privsep_send_gitconfig_repository_extensions_req(struct imsgbuf *ibuf)
2111 20b7abb3 2020-10-22 stsp if (imsg_compose(ibuf,
2112 20b7abb3 2020-10-22 stsp GOT_IMSG_GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST, 0, 0, -1,
2113 20b7abb3 2020-10-22 stsp NULL, 0) == -1)
2114 20b7abb3 2020-10-22 stsp return got_error_from_errno("imsg_compose "
2115 20b7abb3 2020-10-22 stsp "GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST");
2117 20b7abb3 2020-10-22 stsp return flush_imsg(ibuf);
2121 20b7abb3 2020-10-22 stsp const struct got_error *
2122 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_name_req(struct imsgbuf *ibuf)
2124 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2125 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_NAME_REQUEST, 0, 0, -1, NULL, 0) == -1)
2126 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2127 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_NAME_REQUEST");
2129 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2132 aba9c984 2019-09-08 stsp const struct got_error *
2133 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_email_req(struct imsgbuf *ibuf)
2135 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2136 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_EMAIL_REQUEST, 0, 0, -1, NULL, 0) == -1)
2137 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2138 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_EMAIL_REQUEST");
2140 cd95becd 2019-11-29 stsp return flush_imsg(ibuf);
2143 cd95becd 2019-11-29 stsp const struct got_error *
2144 cd95becd 2019-11-29 stsp got_privsep_send_gitconfig_remotes_req(struct imsgbuf *ibuf)
2146 cd95becd 2019-11-29 stsp if (imsg_compose(ibuf,
2147 cd95becd 2019-11-29 stsp GOT_IMSG_GITCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2148 cd95becd 2019-11-29 stsp return got_error_from_errno("imsg_compose "
2149 cd95becd 2019-11-29 stsp "GITCONFIG_REMOTE_REQUEST");
2151 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2154 aba9c984 2019-09-08 stsp const struct got_error *
2155 9a1cc63f 2020-02-03 stsp got_privsep_send_gitconfig_owner_req(struct imsgbuf *ibuf)
2157 9a1cc63f 2020-02-03 stsp if (imsg_compose(ibuf,
2158 9a1cc63f 2020-02-03 stsp GOT_IMSG_GITCONFIG_OWNER_REQUEST, 0, 0, -1, NULL, 0) == -1)
2159 9a1cc63f 2020-02-03 stsp return got_error_from_errno("imsg_compose "
2160 9a1cc63f 2020-02-03 stsp "GITCONFIG_OWNER_REQUEST");
2162 9a1cc63f 2020-02-03 stsp return flush_imsg(ibuf);
2165 9a1cc63f 2020-02-03 stsp const struct got_error *
2166 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_str(char **str, struct imsgbuf *ibuf)
2168 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2169 aba9c984 2019-09-08 stsp struct imsg imsg;
2170 aba9c984 2019-09-08 stsp size_t datalen;
2171 aba9c984 2019-09-08 stsp const size_t min_datalen = 0;
2173 aba9c984 2019-09-08 stsp *str = NULL;
2175 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2177 aba9c984 2019-09-08 stsp return err;
2178 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2180 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2181 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_STR_VAL:
2182 aba9c984 2019-09-08 stsp if (datalen == 0)
2184 6c13dcd2 2020-09-18 stsp /* datalen does not include terminating \0 */
2185 6c13dcd2 2020-09-18 stsp *str = malloc(datalen + 1);
2186 aba9c984 2019-09-08 stsp if (*str == NULL) {
2187 aba9c984 2019-09-08 stsp err = got_error_from_errno("malloc");
2190 6c13dcd2 2020-09-18 stsp memcpy(*str, imsg.data, datalen);
2191 6c13dcd2 2020-09-18 stsp (*str)[datalen] = '\0';
2194 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2198 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2199 aba9c984 2019-09-08 stsp return err;
2202 aba9c984 2019-09-08 stsp const struct got_error *
2203 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_int(int *val, struct imsgbuf *ibuf)
2205 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2206 aba9c984 2019-09-08 stsp struct imsg imsg;
2207 aba9c984 2019-09-08 stsp size_t datalen;
2208 aba9c984 2019-09-08 stsp const size_t min_datalen =
2209 aba9c984 2019-09-08 stsp MIN(sizeof(struct got_imsg_error), sizeof(int));
2213 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2215 aba9c984 2019-09-08 stsp return err;
2216 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2218 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2219 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_INT_VAL:
2220 aba9c984 2019-09-08 stsp if (datalen != sizeof(*val)) {
2221 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2224 aba9c984 2019-09-08 stsp memcpy(val, imsg.data, sizeof(*val));
2227 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2231 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2232 cd95becd 2019-11-29 stsp return err;
2235 b8adfa55 2020-09-25 stsp static void
2236 b8adfa55 2020-09-25 stsp free_remote_data(struct got_remote_repo *remote)
2240 b8adfa55 2020-09-25 stsp free(remote->name);
2241 6480c871 2021-08-30 stsp free(remote->fetch_url);
2242 6480c871 2021-08-30 stsp free(remote->send_url);
2243 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_branches; i++)
2244 6480c871 2021-08-30 stsp free(remote->fetch_branches[i]);
2245 6480c871 2021-08-30 stsp free(remote->fetch_branches);
2246 6480c871 2021-08-30 stsp for (i = 0; i < remote->nsend_branches; i++)
2247 6480c871 2021-08-30 stsp free(remote->send_branches[i]);
2248 6480c871 2021-08-30 stsp free(remote->send_branches);
2249 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_refs; i++)
2250 6480c871 2021-08-30 stsp free(remote->fetch_refs[i]);
2251 6480c871 2021-08-30 stsp free(remote->fetch_refs);
2254 cd95becd 2019-11-29 stsp const struct got_error *
2255 cd95becd 2019-11-29 stsp got_privsep_recv_gitconfig_remotes(struct got_remote_repo **remotes,
2256 cd95becd 2019-11-29 stsp int *nremotes, struct imsgbuf *ibuf)
2258 cd95becd 2019-11-29 stsp const struct got_error *err = NULL;
2259 cd95becd 2019-11-29 stsp struct imsg imsg;
2260 cd95becd 2019-11-29 stsp size_t datalen;
2261 cd95becd 2019-11-29 stsp struct got_imsg_remotes iremotes;
2262 cd95becd 2019-11-29 stsp struct got_imsg_remote iremote;
2264 cd95becd 2019-11-29 stsp *remotes = NULL;
2265 cd95becd 2019-11-29 stsp *nremotes = 0;
2266 d669b9c9 2020-02-22 stsp iremotes.nremotes = 0;
2268 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremotes));
2270 cd95becd 2019-11-29 stsp return err;
2271 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2273 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2274 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTES:
2275 cd95becd 2019-11-29 stsp if (datalen != sizeof(iremotes)) {
2276 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2279 cd95becd 2019-11-29 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2280 cd95becd 2019-11-29 stsp if (iremotes.nremotes == 0) {
2281 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2282 cd95becd 2019-11-29 stsp return NULL;
2286 54b1c5b5 2020-02-22 stsp imsg_free(&imsg);
2287 54b1c5b5 2020-02-22 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2290 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2292 5146eb39 2020-03-20 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2293 cd95becd 2019-11-29 stsp if (*remotes == NULL)
2294 cd95becd 2019-11-29 stsp return got_error_from_errno("recallocarray");
2296 cd95becd 2019-11-29 stsp while (*nremotes < iremotes.nremotes) {
2297 cd95becd 2019-11-29 stsp struct got_remote_repo *remote;
2299 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremote));
2302 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2304 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2305 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTE:
2306 cd95becd 2019-11-29 stsp remote = &(*remotes)[*nremotes];
2307 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2308 cd95becd 2019-11-29 stsp if (datalen < sizeof(iremote)) {
2309 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2312 cd95becd 2019-11-29 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2313 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2314 6480c871 2021-08-30 stsp iremote.fetch_url_len == 0 ||
2315 6480c871 2021-08-30 stsp iremote.send_url_len == 0 ||
2316 cd95becd 2019-11-29 stsp (sizeof(iremote) + iremote.name_len +
2317 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) > datalen) {
2318 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2321 cd95becd 2019-11-29 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2322 cd95becd 2019-11-29 stsp iremote.name_len);
2323 cd95becd 2019-11-29 stsp if (remote->name == NULL) {
2324 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2327 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data + sizeof(iremote) +
2328 6480c871 2021-08-30 stsp iremote.name_len, iremote.fetch_url_len);
2329 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2330 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2331 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2334 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data + sizeof(iremote) +
2335 6480c871 2021-08-30 stsp iremote.name_len + iremote.fetch_url_len,
2336 6480c871 2021-08-30 stsp iremote.send_url_len);
2337 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2338 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2339 6480c871 2021-08-30 stsp free_remote_data(remote);
2342 469dd726 2020-03-20 stsp remote->mirror_references = iremote.mirror_references;
2343 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2344 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2345 6480c871 2021-08-30 stsp remote->fetch_branches = NULL;
2346 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2347 6480c871 2021-08-30 stsp remote->send_branches = NULL;
2348 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2349 6480c871 2021-08-30 stsp remote->fetch_refs = NULL;
2350 cd95becd 2019-11-29 stsp (*nremotes)++;
2353 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2357 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2362 cd95becd 2019-11-29 stsp if (err) {
2364 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2365 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2366 cd95becd 2019-11-29 stsp free(*remotes);
2367 cd95becd 2019-11-29 stsp *remotes = NULL;
2368 cd95becd 2019-11-29 stsp *nremotes = 0;
2370 aba9c984 2019-09-08 stsp return err;
2373 257add31 2020-09-09 stsp const struct got_error *
2374 257add31 2020-09-09 stsp got_privsep_send_gotconfig_parse_req(struct imsgbuf *ibuf, int fd)
2376 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2378 257add31 2020-09-09 stsp if (imsg_compose(ibuf, GOT_IMSG_GOTCONFIG_PARSE_REQUEST, 0, 0, fd,
2379 257add31 2020-09-09 stsp NULL, 0) == -1) {
2380 257add31 2020-09-09 stsp err = got_error_from_errno("imsg_compose "
2381 257add31 2020-09-09 stsp "GOTCONFIG_PARSE_REQUEST");
2382 257add31 2020-09-09 stsp close(fd);
2383 257add31 2020-09-09 stsp return err;
2386 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2389 257add31 2020-09-09 stsp const struct got_error *
2390 257add31 2020-09-09 stsp got_privsep_send_gotconfig_author_req(struct imsgbuf *ibuf)
2392 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2393 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_AUTHOR_REQUEST, 0, 0, -1, NULL, 0) == -1)
2394 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2395 257add31 2020-09-09 stsp "GOTCONFIG_AUTHOR_REQUEST");
2397 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2400 ca6e02ac 2020-01-07 stsp const struct got_error *
2401 257add31 2020-09-09 stsp got_privsep_send_gotconfig_remotes_req(struct imsgbuf *ibuf)
2403 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2404 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2405 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2406 257add31 2020-09-09 stsp "GOTCONFIG_REMOTE_REQUEST");
2408 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2411 257add31 2020-09-09 stsp const struct got_error *
2412 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_str(char **str, struct imsgbuf *ibuf)
2414 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2415 257add31 2020-09-09 stsp struct imsg imsg;
2416 257add31 2020-09-09 stsp size_t datalen;
2417 257add31 2020-09-09 stsp const size_t min_datalen = 0;
2419 257add31 2020-09-09 stsp *str = NULL;
2421 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2423 257add31 2020-09-09 stsp return err;
2424 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2426 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2427 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2428 257add31 2020-09-09 stsp if (datalen < sizeof(struct got_imsg_error)) {
2429 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2432 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2434 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_STR_VAL:
2435 257add31 2020-09-09 stsp if (datalen == 0)
2437 5874ea87 2020-09-18 stsp /* datalen does not include terminating \0 */
2438 5874ea87 2020-09-18 stsp *str = malloc(datalen + 1);
2439 257add31 2020-09-09 stsp if (*str == NULL) {
2440 257add31 2020-09-09 stsp err = got_error_from_errno("malloc");
2443 5874ea87 2020-09-18 stsp memcpy(*str, imsg.data, datalen);
2444 5874ea87 2020-09-18 stsp (*str)[datalen] = '\0';
2447 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2451 257add31 2020-09-09 stsp imsg_free(&imsg);
2452 257add31 2020-09-09 stsp return err;
2455 257add31 2020-09-09 stsp const struct got_error *
2456 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_remotes(struct got_remote_repo **remotes,
2457 257add31 2020-09-09 stsp int *nremotes, struct imsgbuf *ibuf)
2459 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2460 257add31 2020-09-09 stsp struct imsg imsg;
2461 257add31 2020-09-09 stsp size_t datalen;
2462 257add31 2020-09-09 stsp struct got_imsg_remotes iremotes;
2463 257add31 2020-09-09 stsp struct got_imsg_remote iremote;
2464 257add31 2020-09-09 stsp const size_t min_datalen =
2465 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremotes));
2467 257add31 2020-09-09 stsp *remotes = NULL;
2468 257add31 2020-09-09 stsp *nremotes = 0;
2469 257add31 2020-09-09 stsp iremotes.nremotes = 0;
2471 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2473 257add31 2020-09-09 stsp return err;
2474 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2476 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2477 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2478 257add31 2020-09-09 stsp if (datalen < sizeof(struct got_imsg_error)) {
2479 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2482 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2484 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTES:
2485 257add31 2020-09-09 stsp if (datalen != sizeof(iremotes)) {
2486 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2489 257add31 2020-09-09 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2490 257add31 2020-09-09 stsp if (iremotes.nremotes == 0) {
2491 257add31 2020-09-09 stsp imsg_free(&imsg);
2492 257add31 2020-09-09 stsp return NULL;
2496 257add31 2020-09-09 stsp imsg_free(&imsg);
2497 257add31 2020-09-09 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2500 257add31 2020-09-09 stsp imsg_free(&imsg);
2502 257add31 2020-09-09 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2503 257add31 2020-09-09 stsp if (*remotes == NULL)
2504 257add31 2020-09-09 stsp return got_error_from_errno("recallocarray");
2506 257add31 2020-09-09 stsp while (*nremotes < iremotes.nremotes) {
2507 257add31 2020-09-09 stsp struct got_remote_repo *remote;
2508 257add31 2020-09-09 stsp const size_t min_datalen =
2509 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremote));
2512 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2515 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2517 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2518 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2519 257add31 2020-09-09 stsp if (datalen < sizeof(struct got_imsg_error)) {
2520 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2523 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2525 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTE:
2526 257add31 2020-09-09 stsp remote = &(*remotes)[*nremotes];
2527 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2528 257add31 2020-09-09 stsp if (datalen < sizeof(iremote)) {
2529 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2532 257add31 2020-09-09 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2533 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2534 6480c871 2021-08-30 stsp (iremote.fetch_url_len == 0 &&
2535 6480c871 2021-08-30 stsp iremote.send_url_len == 0) ||
2536 257add31 2020-09-09 stsp (sizeof(iremote) + iremote.name_len +
2537 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) >
2538 6480c871 2021-08-30 stsp datalen) {
2539 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2542 257add31 2020-09-09 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2543 257add31 2020-09-09 stsp iremote.name_len);
2544 257add31 2020-09-09 stsp if (remote->name == NULL) {
2545 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2548 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data +
2549 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len,
2550 6480c871 2021-08-30 stsp iremote.fetch_url_len);
2551 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2552 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2553 6480c871 2021-08-30 stsp free_remote_data(remote);
2556 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data +
2557 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len +
2558 6480c871 2021-08-30 stsp iremote.fetch_url_len, iremote.send_url_len);
2559 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2560 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2561 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2564 257add31 2020-09-09 stsp remote->mirror_references = iremote.mirror_references;
2565 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2566 6480c871 2021-08-30 stsp if (iremote.nfetch_branches > 0) {
2567 6480c871 2021-08-30 stsp remote->fetch_branches = recallocarray(NULL, 0,
2568 6480c871 2021-08-30 stsp iremote.nfetch_branches, sizeof(char *));
2569 6480c871 2021-08-30 stsp if (remote->fetch_branches == NULL) {
2570 b8adfa55 2020-09-25 stsp err = got_error_from_errno("calloc");
2571 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2575 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2576 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_branches; i++) {
2577 b8adfa55 2020-09-25 stsp char *branch;
2578 b8adfa55 2020-09-25 stsp err = got_privsep_recv_gotconfig_str(&branch,
2580 b8adfa55 2020-09-25 stsp if (err) {
2581 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2582 b8adfa55 2020-09-25 stsp goto done;
2584 6480c871 2021-08-30 stsp remote->fetch_branches[i] = branch;
2585 6480c871 2021-08-30 stsp remote->nfetch_branches++;
2587 6480c871 2021-08-30 stsp if (iremote.nsend_branches > 0) {
2588 6480c871 2021-08-30 stsp remote->send_branches = recallocarray(NULL, 0,
2589 6480c871 2021-08-30 stsp iremote.nsend_branches, sizeof(char *));
2590 6480c871 2021-08-30 stsp if (remote->send_branches == NULL) {
2591 99495ddb 2021-01-10 stsp err = got_error_from_errno("calloc");
2592 99495ddb 2021-01-10 stsp free_remote_data(remote);
2596 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2597 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nsend_branches; i++) {
2598 6480c871 2021-08-30 stsp char *branch;
2599 6480c871 2021-08-30 stsp err = got_privsep_recv_gotconfig_str(&branch,
2601 6480c871 2021-08-30 stsp if (err) {
2602 6480c871 2021-08-30 stsp free_remote_data(remote);
2603 6480c871 2021-08-30 stsp goto done;
2605 6480c871 2021-08-30 stsp remote->send_branches[i] = branch;
2606 6480c871 2021-08-30 stsp remote->nsend_branches++;
2608 6480c871 2021-08-30 stsp if (iremote.nfetch_refs > 0) {
2609 6480c871 2021-08-30 stsp remote->fetch_refs = recallocarray(NULL, 0,
2610 6480c871 2021-08-30 stsp iremote.nfetch_refs, sizeof(char *));
2611 6480c871 2021-08-30 stsp if (remote->fetch_refs == NULL) {
2612 6480c871 2021-08-30 stsp err = got_error_from_errno("calloc");
2613 6480c871 2021-08-30 stsp free_remote_data(remote);
2617 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2618 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_refs; i++) {
2619 99495ddb 2021-01-10 stsp char *ref;
2620 99495ddb 2021-01-10 stsp err = got_privsep_recv_gotconfig_str(&ref,
2622 99495ddb 2021-01-10 stsp if (err) {
2623 99495ddb 2021-01-10 stsp free_remote_data(remote);
2624 99495ddb 2021-01-10 stsp goto done;
2626 6480c871 2021-08-30 stsp remote->fetch_refs[i] = ref;
2627 6480c871 2021-08-30 stsp remote->nfetch_refs++;
2629 257add31 2020-09-09 stsp (*nremotes)++;
2632 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2636 257add31 2020-09-09 stsp imsg_free(&imsg);
2641 257add31 2020-09-09 stsp if (err) {
2643 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2644 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2645 257add31 2020-09-09 stsp free(*remotes);
2646 257add31 2020-09-09 stsp *remotes = NULL;
2647 257add31 2020-09-09 stsp *nremotes = 0;
2649 257add31 2020-09-09 stsp return err;
2652 257add31 2020-09-09 stsp const struct got_error *
2653 ca6e02ac 2020-01-07 stsp got_privsep_send_commit_traversal_request(struct imsgbuf *ibuf,
2654 abc59930 2021-09-05 naddy struct got_object_id *id, int idx, const char *path)
2656 ca6e02ac 2020-01-07 stsp struct ibuf *wbuf;
2657 ca6e02ac 2020-01-07 stsp size_t path_len = strlen(path) + 1;
2659 ca6e02ac 2020-01-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_COMMIT_TRAVERSAL_REQUEST, 0, 0,
2660 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_traversal_request) + path_len);
2661 ca6e02ac 2020-01-07 stsp if (wbuf == NULL)
2662 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
2663 ca6e02ac 2020-01-07 stsp "imsg_create COMMIT_TRAVERSAL_REQUEST");
2664 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1)
2665 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add "
2666 e9f1a409 2022-05-19 thomas "COMMIT_TRAVERSAL_REQUEST");
2667 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &idx, sizeof(idx)) == -1)
2668 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add "
2669 e9f1a409 2022-05-19 thomas "COMMIT_TRAVERSAL_REQUEST");
2670 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, path, path_len) == -1)
2671 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add "
2672 e9f1a409 2022-05-19 thomas "COMMIT_TRAVERSAL_REQUEST");
2674 ca6e02ac 2020-01-07 stsp wbuf->fd = -1;
2675 ca6e02ac 2020-01-07 stsp imsg_close(ibuf, wbuf);
2677 ca6e02ac 2020-01-07 stsp return flush_imsg(ibuf);
2680 ca6e02ac 2020-01-07 stsp const struct got_error *
2681 ca6e02ac 2020-01-07 stsp got_privsep_recv_traversed_commits(struct got_commit_object **changed_commit,
2682 ca6e02ac 2020-01-07 stsp struct got_object_id **changed_commit_id,
2683 ca6e02ac 2020-01-07 stsp struct got_object_id_queue *commit_ids, struct imsgbuf *ibuf)
2685 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
2686 ca6e02ac 2020-01-07 stsp struct imsg imsg;
2687 ca6e02ac 2020-01-07 stsp struct got_imsg_traversed_commits *icommits;
2688 ca6e02ac 2020-01-07 stsp size_t datalen;
2689 ca6e02ac 2020-01-07 stsp int i, done = 0;
2691 ca6e02ac 2020-01-07 stsp *changed_commit = NULL;
2692 ca6e02ac 2020-01-07 stsp *changed_commit_id = NULL;
2694 ca6e02ac 2020-01-07 stsp while (!done) {
2695 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2697 ca6e02ac 2020-01-07 stsp return err;
2699 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2700 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
2701 ca6e02ac 2020-01-07 stsp case GOT_IMSG_TRAVERSED_COMMITS:
2702 ca6e02ac 2020-01-07 stsp icommits = imsg.data;
2703 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommits) +
2704 ca6e02ac 2020-01-07 stsp icommits->ncommits * SHA1_DIGEST_LENGTH) {
2705 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2708 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommits->ncommits; i++) {
2709 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
2710 ca6e02ac 2020-01-07 stsp uint8_t *sha1 = (uint8_t *)imsg.data +
2711 ca6e02ac 2020-01-07 stsp sizeof(*icommits) + i * SHA1_DIGEST_LENGTH;
2712 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
2715 ec242592 2022-04-22 thomas memcpy(qid->id.sha1, sha1, SHA1_DIGEST_LENGTH);
2716 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(commit_ids, qid, entry);
2718 ca6e02ac 2020-01-07 stsp /* The last commit may contain a change. */
2719 ca6e02ac 2020-01-07 stsp if (i == icommits->ncommits - 1) {
2720 ca6e02ac 2020-01-07 stsp *changed_commit_id =
2721 ec242592 2022-04-22 thomas got_object_id_dup(&qid->id);
2722 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2723 ca6e02ac 2020-01-07 stsp err = got_error_from_errno(
2724 ca6e02ac 2020-01-07 stsp "got_object_id_dup");
2730 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
2731 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2732 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2735 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(changed_commit, &imsg,
2736 ca6e02ac 2020-01-07 stsp datalen, ibuf);
2738 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT_TRAVERSAL_DONE:
2742 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2746 ca6e02ac 2020-01-07 stsp imsg_free(&imsg);
2752 ca6e02ac 2020-01-07 stsp got_object_id_queue_free(commit_ids);
2753 13280750 2022-06-13 thomas return err;
2756 13280750 2022-06-13 thomas const struct got_error *
2757 13280750 2022-06-13 thomas got_privsep_send_enumerated_tree(size_t *totlen, struct imsgbuf *ibuf,
2758 13280750 2022-06-13 thomas struct got_object_id *tree_id, const char *path,
2759 13280750 2022-06-13 thomas struct got_parsed_tree_entry *entries, int nentries)
2761 13280750 2022-06-13 thomas const struct got_error *err = NULL;
2762 13280750 2022-06-13 thomas struct ibuf *wbuf;
2763 13280750 2022-06-13 thomas size_t path_len = strlen(path);
2764 13280750 2022-06-13 thomas size_t msglen;
2766 13280750 2022-06-13 thomas msglen = sizeof(struct got_imsg_enumerated_tree) + path_len;
2767 13280750 2022-06-13 thomas wbuf = imsg_create(ibuf, GOT_IMSG_ENUMERATED_TREE, 0, 0, msglen);
2768 13280750 2022-06-13 thomas if (wbuf == NULL)
2769 13280750 2022-06-13 thomas return got_error_from_errno("imsg_create ENUMERATED_TREE");
2771 98b30215 2022-06-13 thomas if (imsg_add(wbuf, tree_id->sha1, SHA1_DIGEST_LENGTH) == -1)
2772 98b30215 2022-06-13 thomas return got_error_from_errno("imsg_add ENUMERATED_TREE");
2773 98b30215 2022-06-13 thomas if (imsg_add(wbuf, &nentries, sizeof(nentries)) == -1)
2774 98b30215 2022-06-13 thomas return got_error_from_errno("imsg_add ENUMERATED_TREE");
2775 98b30215 2022-06-13 thomas if (imsg_add(wbuf, path, path_len) == -1)
2776 98b30215 2022-06-13 thomas return got_error_from_errno("imsg_add ENUMERATED_TREE");
2778 13280750 2022-06-13 thomas wbuf->fd = -1;
2779 13280750 2022-06-13 thomas imsg_close(ibuf, wbuf);
2781 13280750 2022-06-13 thomas if (entries) {
2782 13280750 2022-06-13 thomas err = send_tree_entries(ibuf, entries, nentries);
2783 13280750 2022-06-13 thomas if (err)
2784 13280750 2022-06-13 thomas return err;
2787 13280750 2022-06-13 thomas return flush_imsg(ibuf);
2790 13280750 2022-06-13 thomas const struct got_error *
2791 13280750 2022-06-13 thomas got_privsep_send_object_enumeration_request(struct imsgbuf *ibuf)
2793 13280750 2022-06-13 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_REQUEST,
2794 13280750 2022-06-13 thomas 0, 0, -1, NULL, 0) == -1)
2795 13280750 2022-06-13 thomas return got_error_from_errno("imsg_compose "
2796 13280750 2022-06-13 thomas "OBJECT_ENUMERATION_REQUEST");
2798 13280750 2022-06-13 thomas return flush_imsg(ibuf);
2801 13280750 2022-06-13 thomas const struct got_error *
2802 13280750 2022-06-13 thomas got_privsep_send_object_enumeration_done(struct imsgbuf *ibuf)
2804 13280750 2022-06-13 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJECT_ENUMERATION_DONE,
2805 13280750 2022-06-13 thomas 0, 0, -1, NULL, 0) == -1)
2806 13280750 2022-06-13 thomas return got_error_from_errno("imsg_compose "
2807 13280750 2022-06-13 thomas "OBJECT_ENUMERATION_DONE");
2809 13280750 2022-06-13 thomas return flush_imsg(ibuf);
2812 13280750 2022-06-13 thomas const struct got_error *
2813 13280750 2022-06-13 thomas got_privsep_send_enumerated_commit(struct imsgbuf *ibuf,
2814 13280750 2022-06-13 thomas struct got_object_id *id, time_t mtime)
2816 13280750 2022-06-13 thomas struct ibuf *wbuf;
2818 13280750 2022-06-13 thomas wbuf = imsg_create(ibuf, GOT_IMSG_ENUMERATED_COMMIT, 0, 0,
2819 13280750 2022-06-13 thomas sizeof(struct got_imsg_enumerated_commit) + SHA1_DIGEST_LENGTH);
2820 13280750 2022-06-13 thomas if (wbuf == NULL)
2821 13280750 2022-06-13 thomas return got_error_from_errno("imsg_create ENUMERATED_COMMIT");
2823 13280750 2022-06-13 thomas /* Keep in sync with struct got_imsg_enumerated_commit! */
2824 13280750 2022-06-13 thomas if (imsg_add(wbuf, id, SHA1_DIGEST_LENGTH) == -1)
2825 13280750 2022-06-13 thomas return got_error_from_errno("imsg_add ENUMERATED_COMMIT");
2826 13280750 2022-06-13 thomas if (imsg_add(wbuf, &mtime, sizeof(mtime)) == -1)
2827 13280750 2022-06-13 thomas return got_error_from_errno("imsg_add ENUMERATED_COMMIT");
2829 13280750 2022-06-13 thomas wbuf->fd = -1;
2830 13280750 2022-06-13 thomas imsg_close(ibuf, wbuf);
2831 13280750 2022-06-13 thomas /* Don't flush yet, tree entries or ENUMERATION_DONE will follow. */
2832 13280750 2022-06-13 thomas return NULL;
2835 13280750 2022-06-13 thomas const struct got_error *
2836 13280750 2022-06-13 thomas got_privsep_recv_enumerated_objects(struct imsgbuf *ibuf,
2837 13280750 2022-06-13 thomas got_object_enumerate_commit_cb cb_commit,
2838 13280750 2022-06-13 thomas got_object_enumerate_tree_cb cb_tree, void *cb_arg,
2839 13280750 2022-06-13 thomas struct got_repository *repo)
2841 13280750 2022-06-13 thomas const struct got_error *err = NULL;
2842 13280750 2022-06-13 thomas struct imsg imsg;
2843 13280750 2022-06-13 thomas struct got_imsg_enumerated_commit *icommit = NULL;
2844 13280750 2022-06-13 thomas struct got_object_id commit_id;
2845 13280750 2022-06-13 thomas int have_commit = 0;
2846 13280750 2022-06-13 thomas time_t mtime = 0;
2847 13280750 2022-06-13 thomas struct got_tree_object tree;
2848 13280750 2022-06-13 thomas struct got_imsg_enumerated_tree *itree;
2849 13280750 2022-06-13 thomas struct got_object_id tree_id;
2850 13280750 2022-06-13 thomas char *path = NULL, *canon_path = NULL;
2851 13280750 2022-06-13 thomas size_t datalen, path_len;
2852 13280750 2022-06-13 thomas int nentries = -1;
2853 13280750 2022-06-13 thomas int done = 0;
2855 13280750 2022-06-13 thomas memset(&tree, 0, sizeof(tree));
2857 13280750 2022-06-13 thomas while (!done) {
2858 13280750 2022-06-13 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2859 13280750 2022-06-13 thomas if (err)
2862 13280750 2022-06-13 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2863 13280750 2022-06-13 thomas switch (imsg.hdr.type) {
2864 13280750 2022-06-13 thomas case GOT_IMSG_ENUMERATED_COMMIT:
2865 13280750 2022-06-13 thomas if (have_commit && nentries != -1) {
2866 13280750 2022-06-13 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2869 13280750 2022-06-13 thomas if (datalen != sizeof(*icommit)) {
2870 13280750 2022-06-13 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2873 13280750 2022-06-13 thomas icommit = (struct got_imsg_enumerated_commit *)imsg.data;
2874 13280750 2022-06-13 thomas memcpy(commit_id.sha1, icommit->id, SHA1_DIGEST_LENGTH);
2875 13280750 2022-06-13 thomas mtime = icommit->mtime;
2876 13280750 2022-06-13 thomas err = cb_commit(cb_arg, mtime, &commit_id, repo);
2877 13280750 2022-06-13 thomas if (err)
2879 13280750 2022-06-13 thomas have_commit = 1;
2881 13280750 2022-06-13 thomas case GOT_IMSG_ENUMERATED_TREE:
2882 13280750 2022-06-13 thomas /* Should be preceeded by GOT_IMSG_ENUMERATED_COMMIT. */
2883 13280750 2022-06-13 thomas if (!have_commit) {
2884 13280750 2022-06-13 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2887 13280750 2022-06-13 thomas if (datalen < sizeof(*itree)) {
2888 13280750 2022-06-13 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2891 13280750 2022-06-13 thomas itree = imsg.data;
2892 13280750 2022-06-13 thomas path_len = datalen - sizeof(*itree);
2893 13280750 2022-06-13 thomas if (path_len == 0) {
2894 13280750 2022-06-13 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2897 13280750 2022-06-13 thomas memcpy(tree_id.sha1, itree->id, sizeof(tree_id.sha1));
2898 13280750 2022-06-13 thomas free(path);
2899 13280750 2022-06-13 thomas path = malloc(path_len + 1);
2900 13280750 2022-06-13 thomas if (path == NULL) {
2901 13280750 2022-06-13 thomas err = got_error_from_errno("malloc");
2904 13280750 2022-06-13 thomas free(canon_path);
2905 13280750 2022-06-13 thomas canon_path = malloc(path_len + 1);
2906 13280750 2022-06-13 thomas if (canon_path == NULL) {
2907 13280750 2022-06-13 thomas err = got_error_from_errno("malloc");
2910 13280750 2022-06-13 thomas memcpy(path, (uint8_t *)imsg.data + sizeof(*itree),
2911 13280750 2022-06-13 thomas path_len);
2912 13280750 2022-06-13 thomas path[path_len] = '\0';
2913 13280750 2022-06-13 thomas if (!got_path_is_absolute(path)) {
2914 13280750 2022-06-13 thomas err = got_error(GOT_ERR_BAD_PATH);
2917 13280750 2022-06-13 thomas if (got_path_is_root_dir(path)) {
2918 13280750 2022-06-13 thomas /* XXX check what got_canonpath() does wrong */
2919 13280750 2022-06-13 thomas canon_path[0] = '/';
2920 13280750 2022-06-13 thomas canon_path[1] = '\0';
2921 13280750 2022-06-13 thomas } else {
2922 13280750 2022-06-13 thomas err = got_canonpath(path, canon_path,
2923 13280750 2022-06-13 thomas path_len + 1);
2924 13280750 2022-06-13 thomas if (err)
2927 13280750 2022-06-13 thomas if (strcmp(path, canon_path) != 0) {
2928 13280750 2022-06-13 thomas err = got_error(GOT_ERR_BAD_PATH);
2931 13280750 2022-06-13 thomas if (nentries != -1) {
2932 13280750 2022-06-13 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2935 13280750 2022-06-13 thomas if (itree->nentries < -1) {
2936 13280750 2022-06-13 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2939 13280750 2022-06-13 thomas if (itree->nentries == -1) {
2940 13280750 2022-06-13 thomas /* Tree was not found in pack file. */
2941 13280750 2022-06-13 thomas err = cb_tree(cb_arg, NULL, mtime, &tree_id,
2942 13280750 2022-06-13 thomas path, repo);
2945 13280750 2022-06-13 thomas if (itree->nentries > INT_MAX) {
2946 13280750 2022-06-13 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2949 13280750 2022-06-13 thomas tree.entries = calloc(itree->nentries,
2950 13280750 2022-06-13 thomas sizeof(struct got_tree_entry));
2951 13280750 2022-06-13 thomas if (tree.entries == NULL) {
2952 13280750 2022-06-13 thomas err = got_error_from_errno("calloc");
2955 13280750 2022-06-13 thomas if (itree->nentries == 0) {
2956 13280750 2022-06-13 thomas err = cb_tree(cb_arg, &tree, mtime, &tree_id,
2957 13280750 2022-06-13 thomas path, repo);
2958 13280750 2022-06-13 thomas if (err)
2961 13280750 2022-06-13 thomas /* Prepare for next tree. */
2962 13280750 2022-06-13 thomas free(tree.entries);
2963 13280750 2022-06-13 thomas memset(&tree, 0, sizeof(tree));
2964 13280750 2022-06-13 thomas nentries = -1;
2965 13280750 2022-06-13 thomas } else {
2966 13280750 2022-06-13 thomas tree.nentries = itree->nentries;
2967 13280750 2022-06-13 thomas nentries = 0;
2970 13280750 2022-06-13 thomas case GOT_IMSG_TREE_ENTRIES:
2971 13280750 2022-06-13 thomas /* Should be preceeded by GOT_IMSG_ENUMERATED_TREE. */
2972 13280750 2022-06-13 thomas if (nentries <= -1) {
2973 13280750 2022-06-13 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2976 13280750 2022-06-13 thomas err = recv_tree_entries(imsg.data, datalen,
2977 13280750 2022-06-13 thomas &tree, &nentries);
2978 13280750 2022-06-13 thomas if (err)
2980 13280750 2022-06-13 thomas if (tree.nentries == nentries) {
2981 13280750 2022-06-13 thomas err = cb_tree(cb_arg, &tree, mtime, &tree_id,
2982 13280750 2022-06-13 thomas path, repo);
2983 13280750 2022-06-13 thomas if (err)
2986 13280750 2022-06-13 thomas /* Prepare for next tree. */
2987 13280750 2022-06-13 thomas free(tree.entries);
2988 13280750 2022-06-13 thomas memset(&tree, 0, sizeof(tree));
2989 13280750 2022-06-13 thomas nentries = -1;
2992 13280750 2022-06-13 thomas case GOT_IMSG_TREE_ENUMERATION_DONE:
2993 13280750 2022-06-13 thomas /* All trees have been found and traversed. */
2994 13280750 2022-06-13 thomas if (path == NULL || nentries != -1) {
2995 13280750 2022-06-13 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2998 13280750 2022-06-13 thomas have_commit = 0;
3000 13280750 2022-06-13 thomas case GOT_IMSG_OBJECT_ENUMERATION_DONE:
3001 13280750 2022-06-13 thomas done = 1;
3003 13280750 2022-06-13 thomas default:
3004 13280750 2022-06-13 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3008 13280750 2022-06-13 thomas imsg_free(&imsg);
3009 13280750 2022-06-13 thomas if (err)
3013 13280750 2022-06-13 thomas free(path);
3014 13280750 2022-06-13 thomas free(canon_path);
3015 13280750 2022-06-13 thomas free(tree.entries);
3016 ca6e02ac 2020-01-07 stsp return err;
3019 f9c2e8e5 2022-02-13 thomas const struct got_error *
3020 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta_req(struct imsgbuf *ibuf, int idx,
3021 f9c2e8e5 2022-02-13 thomas struct got_object_id *id)
3023 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta_request dreq;
3025 f9c2e8e5 2022-02-13 thomas dreq.idx = idx;
3026 f9c2e8e5 2022-02-13 thomas memcpy(dreq.id, id->sha1, SHA1_DIGEST_LENGTH);
3028 f9c2e8e5 2022-02-13 thomas if (imsg_compose(ibuf, GOT_IMSG_RAW_DELTA_REQUEST, 0, 0, -1,
3029 f9c2e8e5 2022-02-13 thomas &dreq, sizeof(dreq)) == -1)
3030 f9c2e8e5 2022-02-13 thomas return got_error_from_errno("imsg_compose RAW_DELTA_REQUEST");
3032 f9c2e8e5 2022-02-13 thomas return flush_imsg(ibuf);
3035 f9c2e8e5 2022-02-13 thomas const struct got_error *
3036 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta_outfd(struct imsgbuf *ibuf, int fd)
3038 f9c2e8e5 2022-02-13 thomas return send_fd(ibuf, GOT_IMSG_RAW_DELTA_OUTFD, fd);
3041 f9c2e8e5 2022-02-13 thomas const struct got_error *
3042 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta(struct imsgbuf *ibuf, uint64_t base_size,
3043 9249e7e3 2022-05-12 thomas uint64_t result_size, off_t delta_size, off_t delta_compressed_size,
3044 9249e7e3 2022-05-12 thomas off_t delta_offset, off_t delta_out_offset, struct got_object_id *base_id)
3046 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta idelta;
3047 f9c2e8e5 2022-02-13 thomas int ret;
3049 f9c2e8e5 2022-02-13 thomas idelta.base_size = base_size;
3050 f9c2e8e5 2022-02-13 thomas idelta.result_size = result_size;
3051 f9c2e8e5 2022-02-13 thomas idelta.delta_size = delta_size;
3052 9249e7e3 2022-05-12 thomas idelta.delta_compressed_size = delta_compressed_size;
3053 f9c2e8e5 2022-02-13 thomas idelta.delta_offset = delta_offset;
3054 f9c2e8e5 2022-02-13 thomas idelta.delta_out_offset = delta_out_offset;
3055 f9c2e8e5 2022-02-13 thomas memcpy(idelta.base_id, base_id->sha1, SHA1_DIGEST_LENGTH);
3057 f9c2e8e5 2022-02-13 thomas ret = imsg_compose(ibuf, GOT_IMSG_RAW_DELTA, 0, 0, -1,
3058 f9c2e8e5 2022-02-13 thomas &idelta, sizeof(idelta));
3059 f9c2e8e5 2022-02-13 thomas if (ret == -1)
3060 f9c2e8e5 2022-02-13 thomas return got_error_from_errno("imsg_compose RAW_DELTA");
3062 f9c2e8e5 2022-02-13 thomas return flush_imsg(ibuf);
3065 ca6e02ac 2020-01-07 stsp const struct got_error *
3066 f9c2e8e5 2022-02-13 thomas got_privsep_recv_raw_delta(uint64_t *base_size, uint64_t *result_size,
3067 9249e7e3 2022-05-12 thomas off_t *delta_size, off_t *delta_compressed_size, off_t *delta_offset,
3068 9249e7e3 2022-05-12 thomas off_t *delta_out_offset, struct got_object_id **base_id, struct imsgbuf *ibuf)
3070 f9c2e8e5 2022-02-13 thomas const struct got_error *err = NULL;
3071 f9c2e8e5 2022-02-13 thomas struct imsg imsg;
3072 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta *delta;
3073 f9c2e8e5 2022-02-13 thomas size_t datalen;
3075 f9c2e8e5 2022-02-13 thomas *base_size = 0;
3076 f9c2e8e5 2022-02-13 thomas *result_size = 0;
3077 f9c2e8e5 2022-02-13 thomas *delta_size = 0;
3078 9249e7e3 2022-05-12 thomas *delta_compressed_size = 0;
3079 f9c2e8e5 2022-02-13 thomas *delta_offset = 0;
3080 f9c2e8e5 2022-02-13 thomas *delta_out_offset = 0;
3081 f9c2e8e5 2022-02-13 thomas *base_id = NULL;
3083 f9c2e8e5 2022-02-13 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3084 f9c2e8e5 2022-02-13 thomas if (err)
3085 f9c2e8e5 2022-02-13 thomas return err;
3087 f9c2e8e5 2022-02-13 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3089 f9c2e8e5 2022-02-13 thomas switch (imsg.hdr.type) {
3090 f9c2e8e5 2022-02-13 thomas case GOT_IMSG_RAW_DELTA:
3091 f9c2e8e5 2022-02-13 thomas if (datalen != sizeof(*delta)) {
3092 f9c2e8e5 2022-02-13 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3095 f9c2e8e5 2022-02-13 thomas delta = imsg.data;
3096 f9c2e8e5 2022-02-13 thomas *base_size = delta->base_size;
3097 f9c2e8e5 2022-02-13 thomas *result_size = delta->result_size;
3098 f9c2e8e5 2022-02-13 thomas *delta_size = delta->delta_size;
3099 9249e7e3 2022-05-12 thomas *delta_compressed_size = delta->delta_compressed_size;
3100 f9c2e8e5 2022-02-13 thomas *delta_offset = delta->delta_offset;
3101 f9c2e8e5 2022-02-13 thomas *delta_out_offset = delta->delta_out_offset;
3102 f9c2e8e5 2022-02-13 thomas *base_id = calloc(1, sizeof(**base_id));
3103 f9c2e8e5 2022-02-13 thomas if (*base_id == NULL) {
3104 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("malloc");
3107 f9c2e8e5 2022-02-13 thomas memcpy((*base_id)->sha1, delta->base_id, SHA1_DIGEST_LENGTH);
3109 f9c2e8e5 2022-02-13 thomas default:
3110 f9c2e8e5 2022-02-13 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3114 f9c2e8e5 2022-02-13 thomas imsg_free(&imsg);
3116 f9c2e8e5 2022-02-13 thomas if (err) {
3117 f9c2e8e5 2022-02-13 thomas free(*base_id);
3118 f9c2e8e5 2022-02-13 thomas *base_id = NULL;
3120 7d0d4920 2022-05-12 thomas return err;
3123 13280750 2022-06-13 thomas static const struct got_error *
3124 13280750 2022-06-13 thomas send_idlist(struct imsgbuf *ibuf, struct got_object_id **ids, size_t nids)
3126 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3127 7d0d4920 2022-05-12 thomas struct got_imsg_object_idlist idlist;
3128 7d0d4920 2022-05-12 thomas struct ibuf *wbuf;
3129 7d0d4920 2022-05-12 thomas size_t i;
3131 7d0d4920 2022-05-12 thomas if (nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS)
3132 7d0d4920 2022-05-12 thomas return got_error(GOT_ERR_NO_SPACE);
3134 7d0d4920 2022-05-12 thomas wbuf = imsg_create(ibuf, GOT_IMSG_OBJ_ID_LIST, 0, 0,
3135 7d0d4920 2022-05-12 thomas sizeof(idlist) + nids * sizeof(**ids));
3136 7d0d4920 2022-05-12 thomas if (wbuf == NULL) {
3137 7d0d4920 2022-05-12 thomas err = got_error_from_errno("imsg_create OBJ_ID_LIST");
3138 7d0d4920 2022-05-12 thomas return err;
3141 7d0d4920 2022-05-12 thomas idlist.nids = nids;
3142 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &idlist, sizeof(idlist)) == -1)
3143 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add OBJ_ID_LIST");
3145 7d0d4920 2022-05-12 thomas for (i = 0; i < nids; i++) {
3146 7d0d4920 2022-05-12 thomas struct got_object_id *id = ids[i];
3147 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, id, sizeof(*id)) == -1)
3148 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add OBJ_ID_LIST");
3151 7d0d4920 2022-05-12 thomas wbuf->fd = -1;
3152 7d0d4920 2022-05-12 thomas imsg_close(ibuf, wbuf);
3154 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3157 7d0d4920 2022-05-12 thomas const struct got_error *
3158 13280750 2022-06-13 thomas got_privsep_send_object_idlist(struct imsgbuf *ibuf,
3159 13280750 2022-06-13 thomas struct got_object_id **ids, size_t nids)
3161 13280750 2022-06-13 thomas const struct got_error *err = NULL;
3162 13280750 2022-06-13 thomas struct got_object_id *idlist[GOT_IMSG_OBJ_ID_LIST_MAX_NIDS];
3163 13280750 2022-06-13 thomas int i, j = 0;
3165 13280750 2022-06-13 thomas for (i = 0; i < nids; i++) {
3166 13280750 2022-06-13 thomas j = i % nitems(idlist);
3167 13280750 2022-06-13 thomas idlist[j] = ids[i];
3168 13280750 2022-06-13 thomas if (j >= nitems(idlist) - 1) {
3169 13280750 2022-06-13 thomas err = send_idlist(ibuf, idlist, j + 1);
3170 13280750 2022-06-13 thomas if (err)
3171 13280750 2022-06-13 thomas return err;
3176 13280750 2022-06-13 thomas if (j > 0) {
3177 13280750 2022-06-13 thomas err = send_idlist(ibuf, idlist, j + 1);
3178 13280750 2022-06-13 thomas if (err)
3179 13280750 2022-06-13 thomas return err;
3182 13280750 2022-06-13 thomas return NULL;
3185 13280750 2022-06-13 thomas const struct got_error *
3186 7d0d4920 2022-05-12 thomas got_privsep_send_object_idlist_done(struct imsgbuf *ibuf)
3188 7d0d4920 2022-05-12 thomas if (imsg_compose(ibuf, GOT_IMSG_OBJ_ID_LIST_DONE, 0, 0, -1, NULL, 0)
3190 7d0d4920 2022-05-12 thomas return got_error_from_errno("imsg_compose OBJ_ID_LIST_DONE");
3192 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3195 7d0d4920 2022-05-12 thomas const struct got_error *
3196 7d0d4920 2022-05-12 thomas got_privsep_recv_object_idlist(int *done, struct got_object_id **ids,
3197 7d0d4920 2022-05-12 thomas size_t *nids, struct imsgbuf *ibuf)
3199 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3200 7d0d4920 2022-05-12 thomas struct imsg imsg;
3201 7d0d4920 2022-05-12 thomas struct got_imsg_object_idlist *idlist;
3202 7d0d4920 2022-05-12 thomas size_t datalen;
3204 7d0d4920 2022-05-12 thomas *ids = NULL;
3205 7d0d4920 2022-05-12 thomas *done = 0;
3206 7d0d4920 2022-05-12 thomas *nids = 0;
3208 7d0d4920 2022-05-12 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3209 7d0d4920 2022-05-12 thomas if (err)
3210 7d0d4920 2022-05-12 thomas return err;
3212 7d0d4920 2022-05-12 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3213 7d0d4920 2022-05-12 thomas switch (imsg.hdr.type) {
3214 7d0d4920 2022-05-12 thomas case GOT_IMSG_OBJ_ID_LIST:
3215 7d0d4920 2022-05-12 thomas if (datalen < sizeof(*idlist)) {
3216 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3219 7d0d4920 2022-05-12 thomas idlist = imsg.data;
3220 7d0d4920 2022-05-12 thomas if (idlist->nids > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS) {
3221 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3224 7d0d4920 2022-05-12 thomas *nids = idlist->nids;
3225 7d0d4920 2022-05-12 thomas *ids = calloc(*nids, sizeof(**ids));
3226 7d0d4920 2022-05-12 thomas if (*ids == NULL) {
3227 7d0d4920 2022-05-12 thomas err = got_error_from_errno("calloc");
3230 7d0d4920 2022-05-12 thomas memcpy(*ids, (uint8_t *)imsg.data + sizeof(idlist),
3231 7d0d4920 2022-05-12 thomas *nids * sizeof(**ids));
3233 7d0d4920 2022-05-12 thomas case GOT_IMSG_OBJ_ID_LIST_DONE:
3234 7d0d4920 2022-05-12 thomas *done = 1;
3236 7d0d4920 2022-05-12 thomas default:
3237 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3241 7d0d4920 2022-05-12 thomas imsg_free(&imsg);
3243 7d0d4920 2022-05-12 thomas return err;
3246 7d0d4920 2022-05-12 thomas const struct got_error *
3247 7d0d4920 2022-05-12 thomas got_privsep_send_delta_reuse_req(struct imsgbuf *ibuf)
3249 7d0d4920 2022-05-12 thomas if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_REQUEST, 0, 0, -1, NULL, 0)
3251 7d0d4920 2022-05-12 thomas return got_error_from_errno("imsg_compose DELTA_REUSE_REQUEST");
3253 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3256 7d0d4920 2022-05-12 thomas const struct got_error *
3257 7d0d4920 2022-05-12 thomas got_privsep_send_reused_deltas(struct imsgbuf *ibuf,
3258 7d0d4920 2022-05-12 thomas struct got_imsg_reused_delta *deltas, size_t ndeltas)
3260 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3261 7d0d4920 2022-05-12 thomas struct ibuf *wbuf;
3262 7d0d4920 2022-05-12 thomas struct got_imsg_reused_deltas ideltas;
3263 7d0d4920 2022-05-12 thomas size_t i;
3265 7d0d4920 2022-05-12 thomas if (ndeltas > GOT_IMSG_REUSED_DELTAS_MAX_NDELTAS)
3266 7d0d4920 2022-05-12 thomas return got_error(GOT_ERR_NO_SPACE);
3268 7d0d4920 2022-05-12 thomas wbuf = imsg_create(ibuf, GOT_IMSG_REUSED_DELTAS, 0, 0,
3269 7d0d4920 2022-05-12 thomas sizeof(ideltas) + ndeltas * sizeof(*deltas));
3270 7d0d4920 2022-05-12 thomas if (wbuf == NULL) {
3271 7d0d4920 2022-05-12 thomas err = got_error_from_errno("imsg_create REUSED_DELTAS");
3272 7d0d4920 2022-05-12 thomas return err;
3275 7d0d4920 2022-05-12 thomas ideltas.ndeltas = ndeltas;
3276 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, &ideltas, sizeof(ideltas)) == -1)
3277 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add REUSED_DELTAS");
3279 7d0d4920 2022-05-12 thomas for (i = 0; i < ndeltas; i++) {
3280 7d0d4920 2022-05-12 thomas struct got_imsg_reused_delta *delta = &deltas[i];
3281 e9f1a409 2022-05-19 thomas if (imsg_add(wbuf, delta, sizeof(*delta)) == -1)
3282 e9f1a409 2022-05-19 thomas return got_error_from_errno("imsg_add REUSED_DELTAS");
3285 7d0d4920 2022-05-12 thomas wbuf->fd = -1;
3286 7d0d4920 2022-05-12 thomas imsg_close(ibuf, wbuf);
3288 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3291 7d0d4920 2022-05-12 thomas const struct got_error *
3292 7d0d4920 2022-05-12 thomas got_privsep_send_reused_deltas_done(struct imsgbuf *ibuf)
3294 7d0d4920 2022-05-12 thomas if (imsg_compose(ibuf, GOT_IMSG_DELTA_REUSE_DONE, 0, 0, -1, NULL, 0)
3296 7d0d4920 2022-05-12 thomas return got_error_from_errno("imsg_compose DELTA_REUSE_DONE");
3298 7d0d4920 2022-05-12 thomas return flush_imsg(ibuf);
3301 7d0d4920 2022-05-12 thomas const struct got_error *
3302 7d0d4920 2022-05-12 thomas got_privsep_recv_reused_deltas(int *done, struct got_imsg_reused_delta *deltas,
3303 7d0d4920 2022-05-12 thomas size_t *ndeltas, struct imsgbuf *ibuf)
3305 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
3306 7d0d4920 2022-05-12 thomas struct imsg imsg;
3307 7d0d4920 2022-05-12 thomas struct got_imsg_reused_deltas *ideltas;
3308 7d0d4920 2022-05-12 thomas size_t datalen;
3310 7d0d4920 2022-05-12 thomas *done = 0;
3311 7d0d4920 2022-05-12 thomas *ndeltas = 0;
3313 7d0d4920 2022-05-12 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
3314 7d0d4920 2022-05-12 thomas if (err)
3315 7d0d4920 2022-05-12 thomas return err;
3317 7d0d4920 2022-05-12 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
3318 7d0d4920 2022-05-12 thomas switch (imsg.hdr.type) {
3319 7d0d4920 2022-05-12 thomas case GOT_IMSG_REUSED_DELTAS:
3320 7d0d4920 2022-05-12 thomas if (datalen < sizeof(*ideltas)) {
3321 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3324 7d0d4920 2022-05-12 thomas ideltas = imsg.data;
3325 7d0d4920 2022-05-12 thomas if (ideltas->ndeltas > GOT_IMSG_OBJ_ID_LIST_MAX_NIDS) {
3326 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
3329 7d0d4920 2022-05-12 thomas *ndeltas = ideltas->ndeltas;
3330 7d0d4920 2022-05-12 thomas memcpy(deltas, (uint8_t *)imsg.data + sizeof(ideltas),
3331 7d0d4920 2022-05-12 thomas *ndeltas * sizeof(*deltas));
3333 7d0d4920 2022-05-12 thomas case GOT_IMSG_DELTA_REUSE_DONE:
3334 7d0d4920 2022-05-12 thomas *done = 1;
3336 7d0d4920 2022-05-12 thomas default:
3337 7d0d4920 2022-05-12 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
3341 7d0d4920 2022-05-12 thomas imsg_free(&imsg);
3343 f9c2e8e5 2022-02-13 thomas return err;
3346 f9c2e8e5 2022-02-13 thomas const struct got_error *
3347 63219cd2 2019-01-04 stsp got_privsep_unveil_exec_helpers(void)
3349 c39c25dd 2019-08-09 stsp const char *helpers[] = {
3350 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_PACK,
3351 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_OBJECT,
3352 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_COMMIT,
3353 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TREE,
3354 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_BLOB,
3355 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TAG,
3356 aba9c984 2019-09-08 stsp GOT_PATH_PROG_READ_GITCONFIG,
3357 257add31 2020-09-09 stsp GOT_PATH_PROG_READ_GOTCONFIG,
3358 069bbb86 2022-03-07 thomas GOT_PATH_PROG_READ_PATCH,
3359 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_FETCH_PACK,
3360 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_INDEX_PACK,
3361 f8a36e22 2021-08-26 stsp GOT_PATH_PROG_SEND_PACK,
3365 c39c25dd 2019-08-09 stsp for (i = 0; i < nitems(helpers); i++) {
3366 c39c25dd 2019-08-09 stsp if (unveil(helpers[i], "x") == 0)
3368 c39c25dd 2019-08-09 stsp return got_error_from_errno2("unveil", helpers[i]);
3371 63219cd2 2019-01-04 stsp return NULL;
3375 aba9c984 2019-09-08 stsp got_privsep_exec_child(int imsg_fds[2], const char *path, const char *repo_path)
3377 08578a35 2021-01-22 stsp if (close(imsg_fds[0]) == -1) {
3378 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3382 aba9c984 2019-09-08 stsp if (dup2(imsg_fds[1], GOT_IMSG_FD_CHILD) == -1) {
3383 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
3387 ce95518e 2021-12-10 thomas closefrom(GOT_IMSG_FD_CHILD + 1);
3389 aba9c984 2019-09-08 stsp if (execl(path, path, repo_path, (char *)NULL) == -1) {
3390 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s: %s\n", getprogname(), path,
3391 aba9c984 2019-09-08 stsp strerror(errno));
