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 fe36cf76 2018-04-23 stsp err = poll_fd(ibuf->fd, POLLIN, INFTIM);
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 59d1e4a0 2021-03-10 stsp if (imsg_add(wbuf, &iobj, sizeof(iobj)) == -1) {
312 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_add RAW_OBJECT");
313 59d1e4a0 2021-03-10 stsp ibuf_free(wbuf);
314 59d1e4a0 2021-03-10 stsp return err;
317 a8591711 2021-06-18 stsp if (data && size + hdrlen <= GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
318 a8591711 2021-06-18 stsp if (imsg_add(wbuf, data, size + hdrlen) == -1) {
319 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("imsg_add RAW_OBJECT");
320 59d1e4a0 2021-03-10 stsp ibuf_free(wbuf);
321 59d1e4a0 2021-03-10 stsp return err;
325 59d1e4a0 2021-03-10 stsp wbuf->fd = -1;
326 59d1e4a0 2021-03-10 stsp imsg_close(ibuf, wbuf);
328 1785f84a 2018-12-23 stsp return flush_imsg(ibuf);
331 1785f84a 2018-12-23 stsp const struct got_error *
332 59d1e4a0 2021-03-10 stsp got_privsep_recv_raw_obj(uint8_t **outbuf, off_t *size, size_t *hdrlen,
333 59d1e4a0 2021-03-10 stsp struct imsgbuf *ibuf)
335 59d1e4a0 2021-03-10 stsp const struct got_error *err = NULL;
336 59d1e4a0 2021-03-10 stsp struct imsg imsg;
337 59d1e4a0 2021-03-10 stsp struct got_imsg_raw_obj *iobj;
338 59d1e4a0 2021-03-10 stsp size_t datalen;
340 59d1e4a0 2021-03-10 stsp *outbuf = NULL;
342 59d1e4a0 2021-03-10 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
344 59d1e4a0 2021-03-10 stsp return err;
346 59d1e4a0 2021-03-10 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
348 59d1e4a0 2021-03-10 stsp switch (imsg.hdr.type) {
349 59d1e4a0 2021-03-10 stsp case GOT_IMSG_RAW_OBJECT:
350 59d1e4a0 2021-03-10 stsp if (datalen < sizeof(*iobj)) {
351 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
354 59d1e4a0 2021-03-10 stsp iobj = imsg.data;
355 59d1e4a0 2021-03-10 stsp *size = iobj->size;
356 59d1e4a0 2021-03-10 stsp *hdrlen = iobj->hdrlen;
358 59d1e4a0 2021-03-10 stsp if (datalen == sizeof(*iobj)) {
359 59d1e4a0 2021-03-10 stsp /* Data has been written to file descriptor. */
363 a8591711 2021-06-18 stsp if (*size + *hdrlen > GOT_PRIVSEP_INLINE_OBJECT_DATA_MAX) {
364 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
368 a8591711 2021-06-18 stsp *outbuf = malloc(*size + *hdrlen);
369 59d1e4a0 2021-03-10 stsp if (*outbuf == NULL) {
370 59d1e4a0 2021-03-10 stsp err = got_error_from_errno("malloc");
373 a8591711 2021-06-18 stsp memcpy(*outbuf, imsg.data + sizeof(*iobj), *size + *hdrlen);
376 59d1e4a0 2021-03-10 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
380 59d1e4a0 2021-03-10 stsp imsg_free(&imsg);
382 59d1e4a0 2021-03-10 stsp return err;
385 59d1e4a0 2021-03-10 stsp const struct got_error *
386 1785f84a 2018-12-23 stsp got_privsep_send_commit_req(struct imsgbuf *ibuf, int fd,
387 1785f84a 2018-12-23 stsp struct got_object_id *id, int pack_idx)
389 41496140 2019-02-21 stsp const struct got_error *err = NULL;
390 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
391 d5c81d44 2021-07-08 stsp void *data;
392 1785f84a 2018-12-23 stsp size_t len;
394 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* commit is packed */
395 1785f84a 2018-12-23 stsp iobj.idx = pack_idx;
396 1785f84a 2018-12-23 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
397 d5c81d44 2021-07-08 stsp data = &iobj;
398 1785f84a 2018-12-23 stsp len = sizeof(iobj);
401 d5c81d44 2021-07-08 stsp len = sizeof(*id);
404 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_REQUEST, 0, 0, fd, data, len)
406 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT_REQUEST");
408 41496140 2019-02-21 stsp return err;
411 13c729f7 2018-12-24 stsp return flush_imsg(ibuf);
414 13c729f7 2018-12-24 stsp const struct got_error *
415 13c729f7 2018-12-24 stsp got_privsep_send_tree_req(struct imsgbuf *ibuf, int fd,
416 13c729f7 2018-12-24 stsp struct got_object_id *id, int pack_idx)
418 41496140 2019-02-21 stsp const struct got_error *err = NULL;
419 7f358e3b 2019-11-23 stsp struct ibuf *wbuf;
420 d5c81d44 2021-07-08 stsp size_t len;
422 d5c81d44 2021-07-08 stsp if (pack_idx != -1)
423 d5c81d44 2021-07-08 stsp len = sizeof(struct got_imsg_packed_object);
425 d5c81d44 2021-07-08 stsp len = sizeof(*id);
427 7f358e3b 2019-11-23 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_REQUEST, 0, 0, len);
428 7f358e3b 2019-11-23 stsp if (wbuf == NULL)
429 7f358e3b 2019-11-23 stsp return got_error_from_errno("imsg_create TREE_REQUEST");
431 d5c81d44 2021-07-08 stsp if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1) {
432 519c7583 2022-01-27 thomas err = got_error_from_errno("imsg_add TREE_REQUEST");
433 d5c81d44 2021-07-08 stsp ibuf_free(wbuf);
434 d5c81d44 2021-07-08 stsp return err;
437 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tree is packed */
438 7f358e3b 2019-11-23 stsp if (imsg_add(wbuf, &pack_idx, sizeof(pack_idx)) == -1) {
439 519c7583 2022-01-27 thomas err = got_error_from_errno("imsg_add TREE_REQUEST");
440 7f358e3b 2019-11-23 stsp ibuf_free(wbuf);
441 7f358e3b 2019-11-23 stsp return err;
445 7f358e3b 2019-11-23 stsp wbuf->fd = fd;
446 7f358e3b 2019-11-23 stsp imsg_close(ibuf, wbuf);
448 268f7291 2018-12-24 stsp return flush_imsg(ibuf);
451 268f7291 2018-12-24 stsp const struct got_error *
452 268f7291 2018-12-24 stsp got_privsep_send_tag_req(struct imsgbuf *ibuf, int fd,
453 268f7291 2018-12-24 stsp struct got_object_id *id, int pack_idx)
455 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
456 d5c81d44 2021-07-08 stsp void *data;
457 268f7291 2018-12-24 stsp size_t len;
459 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* tag is packed */
460 268f7291 2018-12-24 stsp iobj.idx = pack_idx;
461 268f7291 2018-12-24 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
462 d5c81d44 2021-07-08 stsp data = &iobj;
463 268f7291 2018-12-24 stsp len = sizeof(iobj);
466 d5c81d44 2021-07-08 stsp len = sizeof(*id);
469 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_REQUEST, 0, 0, fd, data, len)
471 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose TAG_REQUEST");
473 7762fe12 2018-11-05 stsp return flush_imsg(ibuf);
476 7762fe12 2018-11-05 stsp const struct got_error *
477 ebc55e2d 2018-12-24 stsp got_privsep_send_blob_req(struct imsgbuf *ibuf, int infd,
478 ebc55e2d 2018-12-24 stsp struct got_object_id *id, int pack_idx)
480 41496140 2019-02-21 stsp const struct got_error *err = NULL;
481 d5c81d44 2021-07-08 stsp struct got_imsg_packed_object iobj;
482 d5c81d44 2021-07-08 stsp void *data;
483 ebc55e2d 2018-12-24 stsp size_t len;
485 d5c81d44 2021-07-08 stsp if (pack_idx != -1) { /* blob is packed */
486 ebc55e2d 2018-12-24 stsp iobj.idx = pack_idx;
487 ebc55e2d 2018-12-24 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
488 d5c81d44 2021-07-08 stsp data = &iobj;
489 ebc55e2d 2018-12-24 stsp len = sizeof(iobj);
492 d5c81d44 2021-07-08 stsp len = sizeof(*id);
495 d5c81d44 2021-07-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_REQUEST, 0, 0, infd, data, len)
497 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_REQUEST");
498 41496140 2019-02-21 stsp close(infd);
499 41496140 2019-02-21 stsp return err;
502 55da3778 2018-09-10 stsp return flush_imsg(ibuf);
505 55da3778 2018-09-10 stsp const struct got_error *
506 55da3778 2018-09-10 stsp got_privsep_send_blob_outfd(struct imsgbuf *ibuf, int outfd)
508 41496140 2019-02-21 stsp const struct got_error *err = NULL;
510 ad242220 2018-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB_OUTFD, 0, 0, outfd, NULL, 0)
512 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose BLOB_OUTFD");
513 41496140 2019-02-21 stsp close(outfd);
514 41496140 2019-02-21 stsp return err;
517 3840f4c9 2018-09-12 stsp return flush_imsg(ibuf);
520 73ab1060 2020-03-18 stsp static const struct got_error *
521 73ab1060 2020-03-18 stsp send_fd(struct imsgbuf *ibuf, int imsg_code, int fd)
523 41496140 2019-02-21 stsp const struct got_error *err = NULL;
525 73ab1060 2020-03-18 stsp if (imsg_compose(ibuf, imsg_code, 0, 0, fd, NULL, 0) == -1) {
526 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TMPFD");
528 41496140 2019-02-21 stsp return err;
531 ad242220 2018-09-08 stsp return flush_imsg(ibuf);
534 ad242220 2018-09-08 stsp const struct got_error *
535 73ab1060 2020-03-18 stsp got_privsep_send_tmpfd(struct imsgbuf *ibuf, int fd)
537 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_TMPFD, fd);
540 73ab1060 2020-03-18 stsp const struct got_error *
541 876c234b 2018-09-10 stsp got_privsep_send_obj(struct imsgbuf *ibuf, struct got_object *obj)
543 2178c42e 2018-04-22 stsp struct got_imsg_object iobj;
545 c59b3346 2018-09-11 stsp memcpy(iobj.id, obj->id.sha1, sizeof(iobj.id));
546 2178c42e 2018-04-22 stsp iobj.type = obj->type;
547 2178c42e 2018-04-22 stsp iobj.flags = obj->flags;
548 2178c42e 2018-04-22 stsp iobj.hdrlen = obj->hdrlen;
549 2178c42e 2018-04-22 stsp iobj.size = obj->size;
550 c59b3346 2018-09-11 stsp if (iobj.flags & GOT_OBJ_FLAG_PACKED) {
551 876c234b 2018-09-10 stsp iobj.pack_offset = obj->pack_offset;
552 c59b3346 2018-09-11 stsp iobj.pack_idx = obj->pack_idx;
555 2178c42e 2018-04-22 stsp if (imsg_compose(ibuf, GOT_IMSG_OBJECT, 0, 0, -1, &iobj, sizeof(iobj))
557 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose OBJECT");
559 c59b3346 2018-09-11 stsp return flush_imsg(ibuf);
562 cfd633c2 2018-09-10 stsp const struct got_error *
563 33501562 2020-03-18 stsp got_privsep_send_fetch_req(struct imsgbuf *ibuf, int fd,
564 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs, int fetch_all_branches,
565 abc59930 2021-09-05 naddy struct got_pathlist_head *wanted_branches,
566 abc59930 2021-09-05 naddy struct got_pathlist_head *wanted_refs, int list_refs_only, int verbosity)
568 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
569 33501562 2020-03-18 stsp struct ibuf *wbuf;
570 4ba14133 2020-03-20 stsp size_t len;
571 33501562 2020-03-18 stsp struct got_pathlist_entry *pe;
572 4ba14133 2020-03-20 stsp struct got_imsg_fetch_request fetchreq;
574 4ba14133 2020-03-20 stsp memset(&fetchreq, 0, sizeof(fetchreq));
575 4ba14133 2020-03-20 stsp fetchreq.fetch_all_branches = fetch_all_branches;
576 41b0de12 2020-03-21 stsp fetchreq.list_refs_only = list_refs_only;
577 2690194b 2020-03-21 stsp fetchreq.verbosity = verbosity;
578 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, have_refs, entry)
579 4ba14133 2020-03-20 stsp fetchreq.n_have_refs++;
580 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry)
581 4ba14133 2020-03-20 stsp fetchreq.n_wanted_branches++;
582 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry)
583 0e4002ca 2020-03-21 stsp fetchreq.n_wanted_refs++;
584 659e7fbd 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_request);
585 33501562 2020-03-18 stsp if (len >= MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
587 33501562 2020-03-18 stsp return got_error(GOT_ERR_NO_SPACE);
590 4ba14133 2020-03-20 stsp if (imsg_compose(ibuf, GOT_IMSG_FETCH_REQUEST, 0, 0, fd,
591 4ba14133 2020-03-20 stsp &fetchreq, sizeof(fetchreq)) == -1)
592 4ba14133 2020-03-20 stsp return got_error_from_errno(
593 4ba14133 2020-03-20 stsp "imsg_compose FETCH_SERVER_PROGRESS");
595 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
598 659e7fbd 2020-03-20 stsp return err;
602 33501562 2020-03-18 stsp TAILQ_FOREACH(pe, have_refs, entry) {
603 33501562 2020-03-18 stsp const char *name = pe->path;
604 33501562 2020-03-18 stsp size_t name_len = pe->path_len;
605 33501562 2020-03-18 stsp struct got_object_id *id = pe->data;
607 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_have_ref) + name_len;
608 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_HAVE_REF, 0, 0, len);
609 4ba14133 2020-03-20 stsp if (wbuf == NULL)
610 4ba14133 2020-03-20 stsp return got_error_from_errno("imsg_create FETCH_HAVE_REF");
612 33501562 2020-03-18 stsp /* Keep in sync with struct got_imsg_fetch_have_ref! */
613 33501562 2020-03-18 stsp if (imsg_add(wbuf, id->sha1, sizeof(id->sha1)) == -1) {
614 4ba14133 2020-03-20 stsp err = got_error_from_errno("imsg_add FETCH_HAVE_REF");
615 33501562 2020-03-18 stsp ibuf_free(wbuf);
616 33501562 2020-03-18 stsp return err;
618 33501562 2020-03-18 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1) {
619 4ba14133 2020-03-20 stsp err = got_error_from_errno("imsg_add FETCH_HAVE_REF");
620 33501562 2020-03-18 stsp ibuf_free(wbuf);
621 33501562 2020-03-18 stsp return err;
623 33501562 2020-03-18 stsp if (imsg_add(wbuf, name, name_len) == -1) {
624 4ba14133 2020-03-20 stsp err = got_error_from_errno("imsg_add FETCH_HAVE_REF");
625 33501562 2020-03-18 stsp ibuf_free(wbuf);
626 33501562 2020-03-18 stsp return err;
629 4ba14133 2020-03-20 stsp wbuf->fd = -1;
630 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
631 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
633 4ba14133 2020-03-20 stsp return err;
636 4ba14133 2020-03-20 stsp TAILQ_FOREACH(pe, wanted_branches, entry) {
637 4ba14133 2020-03-20 stsp const char *name = pe->path;
638 4ba14133 2020-03-20 stsp size_t name_len = pe->path_len;
640 4ba14133 2020-03-20 stsp len = sizeof(struct got_imsg_fetch_wanted_branch) + name_len;
641 4ba14133 2020-03-20 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_BRANCH, 0, 0,
643 4ba14133 2020-03-20 stsp if (wbuf == NULL)
644 4ba14133 2020-03-20 stsp return got_error_from_errno(
645 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_BRANCH");
647 4ba14133 2020-03-20 stsp /* Keep in sync with struct got_imsg_fetch_wanted_branch! */
648 4ba14133 2020-03-20 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1) {
649 4ba14133 2020-03-20 stsp err = got_error_from_errno(
650 4ba14133 2020-03-20 stsp "imsg_add FETCH_WANTED_BRANCH");
651 4ba14133 2020-03-20 stsp ibuf_free(wbuf);
652 4ba14133 2020-03-20 stsp return err;
654 4ba14133 2020-03-20 stsp if (imsg_add(wbuf, name, name_len) == -1) {
655 4ba14133 2020-03-20 stsp err = got_error_from_errno(
656 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_BRANCH");
657 4ba14133 2020-03-20 stsp ibuf_free(wbuf);
658 4ba14133 2020-03-20 stsp return err;
661 4ba14133 2020-03-20 stsp wbuf->fd = -1;
662 4ba14133 2020-03-20 stsp imsg_close(ibuf, wbuf);
663 4ba14133 2020-03-20 stsp err = flush_imsg(ibuf);
665 4ba14133 2020-03-20 stsp return err;
668 0e4002ca 2020-03-21 stsp TAILQ_FOREACH(pe, wanted_refs, entry) {
669 0e4002ca 2020-03-21 stsp const char *name = pe->path;
670 0e4002ca 2020-03-21 stsp size_t name_len = pe->path_len;
672 0e4002ca 2020-03-21 stsp len = sizeof(struct got_imsg_fetch_wanted_ref) + name_len;
673 0e4002ca 2020-03-21 stsp wbuf = imsg_create(ibuf, GOT_IMSG_FETCH_WANTED_REF, 0, 0,
675 0e4002ca 2020-03-21 stsp if (wbuf == NULL)
676 0e4002ca 2020-03-21 stsp return got_error_from_errno(
677 62d463ca 2020-10-20 naddy "imsg_create FETCH_WANTED_REF");
679 0e4002ca 2020-03-21 stsp /* Keep in sync with struct got_imsg_fetch_wanted_ref! */
680 0e4002ca 2020-03-21 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1) {
681 0e4002ca 2020-03-21 stsp err = got_error_from_errno(
682 0e4002ca 2020-03-21 stsp "imsg_add FETCH_WANTED_REF");
683 0e4002ca 2020-03-21 stsp ibuf_free(wbuf);
684 0e4002ca 2020-03-21 stsp return err;
686 0e4002ca 2020-03-21 stsp if (imsg_add(wbuf, name, name_len) == -1) {
687 0e4002ca 2020-03-21 stsp err = got_error_from_errno(
688 62d463ca 2020-10-20 naddy "imsg_add FETCH_WANTED_REF");
689 0e4002ca 2020-03-21 stsp ibuf_free(wbuf);
690 0e4002ca 2020-03-21 stsp return err;
693 0e4002ca 2020-03-21 stsp wbuf->fd = -1;
694 0e4002ca 2020-03-21 stsp imsg_close(ibuf, wbuf);
695 0e4002ca 2020-03-21 stsp err = flush_imsg(ibuf);
697 0e4002ca 2020-03-21 stsp return err;
701 4ba14133 2020-03-20 stsp return NULL;
705 93658fb9 2020-03-18 stsp const struct got_error *
706 f826addf 2020-03-18 stsp got_privsep_send_fetch_outfd(struct imsgbuf *ibuf, int fd)
708 f826addf 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_FETCH_OUTFD, fd);
711 531c3985 2020-03-18 stsp const struct got_error *
712 8f2d01a6 2020-03-18 stsp got_privsep_recv_fetch_progress(int *done, struct got_object_id **id,
713 531c3985 2020-03-18 stsp char **refname, struct got_pathlist_head *symrefs, char **server_progress,
714 1d72a2a0 2020-03-24 stsp off_t *packfile_size, uint8_t *pack_sha1, struct imsgbuf *ibuf)
716 b9f99abf 2020-03-18 stsp const struct got_error *err = NULL;
717 b9f99abf 2020-03-18 stsp struct imsg imsg;
718 b9f99abf 2020-03-18 stsp size_t datalen;
719 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symrefs *isymrefs = NULL;
720 abe0f35f 2020-03-18 stsp size_t n, remain;
725 8f2d01a6 2020-03-18 stsp *id = NULL;
726 b9f99abf 2020-03-18 stsp *refname = NULL;
727 531c3985 2020-03-18 stsp *server_progress = NULL;
728 5a489642 2020-03-19 stsp *packfile_size = 0;
729 1d72a2a0 2020-03-24 stsp memset(pack_sha1, 0, SHA1_DIGEST_LENGTH);
731 531c3985 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
733 b9f99abf 2020-03-18 stsp return err;
735 b9f99abf 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
736 b9f99abf 2020-03-18 stsp switch (imsg.hdr.type) {
737 b9f99abf 2020-03-18 stsp case GOT_IMSG_ERROR:
738 531c3985 2020-03-18 stsp if (datalen < sizeof(struct got_imsg_error)) {
739 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
742 b9f99abf 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
744 abe0f35f 2020-03-18 stsp case GOT_IMSG_FETCH_SYMREFS:
745 abe0f35f 2020-03-18 stsp if (datalen < sizeof(*isymrefs)) {
746 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
749 abe0f35f 2020-03-18 stsp if (isymrefs != NULL) {
750 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
753 abe0f35f 2020-03-18 stsp isymrefs = (struct got_imsg_fetch_symrefs *)imsg.data;
754 abe0f35f 2020-03-18 stsp off = sizeof(*isymrefs);
755 abe0f35f 2020-03-18 stsp remain = datalen - off;
756 abe0f35f 2020-03-18 stsp for (n = 0; n < isymrefs->nsymrefs; n++) {
757 abe0f35f 2020-03-18 stsp struct got_imsg_fetch_symref *s;
758 abe0f35f 2020-03-18 stsp char *name, *target;
759 abe0f35f 2020-03-18 stsp if (remain < sizeof(struct got_imsg_fetch_symref)) {
760 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
763 abe0f35f 2020-03-18 stsp s = (struct got_imsg_fetch_symref *)(imsg.data + off);
764 abe0f35f 2020-03-18 stsp off += sizeof(*s);
765 abe0f35f 2020-03-18 stsp remain -= sizeof(*s);
766 abe0f35f 2020-03-18 stsp if (remain < s->name_len) {
767 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
770 abe0f35f 2020-03-18 stsp name = strndup(imsg.data + off, s->name_len);
771 abe0f35f 2020-03-18 stsp if (name == NULL) {
772 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
775 abe0f35f 2020-03-18 stsp off += s->name_len;
776 abe0f35f 2020-03-18 stsp remain -= s->name_len;
777 abe0f35f 2020-03-18 stsp if (remain < s->target_len) {
778 abe0f35f 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
779 abe0f35f 2020-03-18 stsp free(name);
782 abe0f35f 2020-03-18 stsp target = strndup(imsg.data + off, s->target_len);
783 abe0f35f 2020-03-18 stsp if (target == NULL) {
784 abe0f35f 2020-03-18 stsp err = got_error_from_errno("strndup");
785 abe0f35f 2020-03-18 stsp free(name);
788 abe0f35f 2020-03-18 stsp off += s->target_len;
789 abe0f35f 2020-03-18 stsp remain -= s->target_len;
790 abe0f35f 2020-03-18 stsp err = got_pathlist_append(symrefs, name, target);
792 abe0f35f 2020-03-18 stsp free(name);
793 abe0f35f 2020-03-18 stsp free(target);
798 ea7396b9 2020-03-18 stsp case GOT_IMSG_FETCH_REF:
799 531c3985 2020-03-18 stsp if (datalen <= SHA1_DIGEST_LENGTH) {
800 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
803 8f2d01a6 2020-03-18 stsp *id = malloc(sizeof(**id));
804 8f2d01a6 2020-03-18 stsp if (*id == NULL) {
805 b9f99abf 2020-03-18 stsp err = got_error_from_errno("malloc");
808 8f2d01a6 2020-03-18 stsp memcpy((*id)->sha1, imsg.data, SHA1_DIGEST_LENGTH);
809 b9f99abf 2020-03-18 stsp *refname = strndup(imsg.data + SHA1_DIGEST_LENGTH,
810 b9f99abf 2020-03-18 stsp datalen - SHA1_DIGEST_LENGTH);
811 b9f99abf 2020-03-18 stsp if (*refname == NULL) {
812 b9f99abf 2020-03-18 stsp err = got_error_from_errno("strndup");
816 531c3985 2020-03-18 stsp case GOT_IMSG_FETCH_SERVER_PROGRESS:
817 531c3985 2020-03-18 stsp if (datalen == 0) {
818 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
821 531c3985 2020-03-18 stsp *server_progress = strndup(imsg.data, datalen);
822 531c3985 2020-03-18 stsp if (*server_progress == NULL) {
823 531c3985 2020-03-18 stsp err = got_error_from_errno("strndup");
826 531c3985 2020-03-18 stsp for (i = 0; i < datalen; i++) {
827 531c3985 2020-03-18 stsp if (!isprint((unsigned char)(*server_progress)[i]) &&
828 531c3985 2020-03-18 stsp !isspace((unsigned char)(*server_progress)[i])) {
829 531c3985 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
830 531c3985 2020-03-18 stsp free(*server_progress);
831 531c3985 2020-03-18 stsp *server_progress = NULL;
836 d2cdc636 2020-03-18 stsp case GOT_IMSG_FETCH_DOWNLOAD_PROGRESS:
837 d2cdc636 2020-03-18 stsp if (datalen < sizeof(*packfile_size)) {
838 d2cdc636 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
841 d2cdc636 2020-03-18 stsp memcpy(packfile_size, imsg.data, sizeof(*packfile_size));
843 8f2d01a6 2020-03-18 stsp case GOT_IMSG_FETCH_DONE:
844 8f2d01a6 2020-03-18 stsp if (datalen != SHA1_DIGEST_LENGTH) {
845 8f2d01a6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
848 1d72a2a0 2020-03-24 stsp memcpy(pack_sha1, imsg.data, SHA1_DIGEST_LENGTH);
852 b887aab6 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
858 8f2d01a6 2020-03-18 stsp *id = NULL;
859 b887aab6 2020-03-18 stsp free(*refname);
860 b887aab6 2020-03-18 stsp *refname = NULL;
862 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
863 f8a36e22 2021-08-26 stsp return err;
866 f8a36e22 2021-08-26 stsp static const struct got_error *
867 f8a36e22 2021-08-26 stsp send_send_ref(const char *name, size_t name_len, struct got_object_id *id,
868 f8a36e22 2021-08-26 stsp int delete, struct imsgbuf *ibuf)
870 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
871 f8a36e22 2021-08-26 stsp size_t len;
872 f8a36e22 2021-08-26 stsp struct ibuf *wbuf;
874 f8a36e22 2021-08-26 stsp len = sizeof(struct got_imsg_send_ref) + name_len;
875 f8a36e22 2021-08-26 stsp wbuf = imsg_create(ibuf, GOT_IMSG_SEND_REF, 0, 0, len);
876 f8a36e22 2021-08-26 stsp if (wbuf == NULL)
877 f8a36e22 2021-08-26 stsp return got_error_from_errno("imsg_create SEND_REF");
879 f8a36e22 2021-08-26 stsp /* Keep in sync with struct got_imsg_send_ref! */
880 f8a36e22 2021-08-26 stsp if (imsg_add(wbuf, id->sha1, sizeof(id->sha1)) == -1) {
881 f8a36e22 2021-08-26 stsp err = got_error_from_errno("imsg_add SEND_REF");
882 f8a36e22 2021-08-26 stsp ibuf_free(wbuf);
883 f8a36e22 2021-08-26 stsp return err;
885 f8a36e22 2021-08-26 stsp if (imsg_add(wbuf, &delete, sizeof(delete)) == -1) {
886 f8a36e22 2021-08-26 stsp err = got_error_from_errno("imsg_add SEND_REF");
887 f8a36e22 2021-08-26 stsp ibuf_free(wbuf);
888 f8a36e22 2021-08-26 stsp return err;
890 f8a36e22 2021-08-26 stsp if (imsg_add(wbuf, &name_len, sizeof(name_len)) == -1) {
891 f8a36e22 2021-08-26 stsp err = got_error_from_errno("imsg_add SEND_REF");
892 f8a36e22 2021-08-26 stsp ibuf_free(wbuf);
893 f8a36e22 2021-08-26 stsp return err;
895 f8a36e22 2021-08-26 stsp if (imsg_add(wbuf, name, name_len) == -1) {
896 f8a36e22 2021-08-26 stsp err = got_error_from_errno("imsg_add SEND_REF");
897 f8a36e22 2021-08-26 stsp ibuf_free(wbuf);
898 f8a36e22 2021-08-26 stsp return err;
901 f8a36e22 2021-08-26 stsp wbuf->fd = -1;
902 f8a36e22 2021-08-26 stsp imsg_close(ibuf, wbuf);
903 f8a36e22 2021-08-26 stsp return flush_imsg(ibuf);
906 f8a36e22 2021-08-26 stsp const struct got_error *
907 f8a36e22 2021-08-26 stsp got_privsep_send_send_req(struct imsgbuf *ibuf, int fd,
908 abc59930 2021-09-05 naddy struct got_pathlist_head *have_refs,
909 abc59930 2021-09-05 naddy struct got_pathlist_head *delete_refs,
910 abc59930 2021-09-05 naddy int verbosity)
912 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
913 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *pe;
914 f8a36e22 2021-08-26 stsp struct got_imsg_send_request sendreq;
915 f8a36e22 2021-08-26 stsp struct got_object_id zero_id;
917 f8a36e22 2021-08-26 stsp memset(&zero_id, 0, sizeof(zero_id));
918 f8a36e22 2021-08-26 stsp memset(&sendreq, 0, sizeof(sendreq));
919 f8a36e22 2021-08-26 stsp sendreq.verbosity = verbosity;
920 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry)
921 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
922 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry)
923 f8a36e22 2021-08-26 stsp sendreq.nrefs++;
924 f8a36e22 2021-08-26 stsp if (imsg_compose(ibuf, GOT_IMSG_SEND_REQUEST, 0, 0, fd,
925 f8a36e22 2021-08-26 stsp &sendreq, sizeof(sendreq)) == -1) {
926 f8a36e22 2021-08-26 stsp err = got_error_from_errno(
927 f8a36e22 2021-08-26 stsp "imsg_compose FETCH_SERVER_PROGRESS");
931 f8a36e22 2021-08-26 stsp err = flush_imsg(ibuf);
936 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, have_refs, entry) {
937 f8a36e22 2021-08-26 stsp const char *name = pe->path;
938 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
939 f8a36e22 2021-08-26 stsp struct got_object_id *id = pe->data;
940 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, id, 0, ibuf);
945 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_refs, entry) {
946 f8a36e22 2021-08-26 stsp const char *name = pe->path;
947 f8a36e22 2021-08-26 stsp size_t name_len = pe->path_len;
948 f8a36e22 2021-08-26 stsp err = send_send_ref(name, name_len, &zero_id, 1, ibuf);
953 f8a36e22 2021-08-26 stsp if (fd != -1 && close(fd) == -1 && err == NULL)
954 f8a36e22 2021-08-26 stsp err = got_error_from_errno("close");
955 f8a36e22 2021-08-26 stsp return err;
959 f8a36e22 2021-08-26 stsp const struct got_error *
960 f8a36e22 2021-08-26 stsp got_privsep_recv_send_remote_refs(struct got_pathlist_head *remote_refs,
961 f8a36e22 2021-08-26 stsp struct imsgbuf *ibuf)
963 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
964 f8a36e22 2021-08-26 stsp struct imsg imsg;
965 f8a36e22 2021-08-26 stsp size_t datalen;
966 f8a36e22 2021-08-26 stsp int done = 0;
967 f8a36e22 2021-08-26 stsp struct got_imsg_send_remote_ref iremote_ref;
968 f8a36e22 2021-08-26 stsp struct got_object_id *id = NULL;
969 f8a36e22 2021-08-26 stsp char *refname = NULL;
970 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *new;
972 f8a36e22 2021-08-26 stsp while (!done) {
973 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
975 f8a36e22 2021-08-26 stsp return err;
976 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
977 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
978 f8a36e22 2021-08-26 stsp case GOT_IMSG_ERROR:
979 f8a36e22 2021-08-26 stsp if (datalen < sizeof(struct got_imsg_error)) {
980 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
983 f8a36e22 2021-08-26 stsp err = recv_imsg_error(&imsg, datalen);
985 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REMOTE_REF:
986 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iremote_ref)) {
987 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
990 f8a36e22 2021-08-26 stsp memcpy(&iremote_ref, imsg.data, sizeof(iremote_ref));
991 f8a36e22 2021-08-26 stsp if (datalen != sizeof(iremote_ref) +
992 f8a36e22 2021-08-26 stsp iremote_ref.name_len) {
993 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
996 f8a36e22 2021-08-26 stsp id = malloc(sizeof(*id));
997 f8a36e22 2021-08-26 stsp if (id == NULL) {
998 f8a36e22 2021-08-26 stsp err = got_error_from_errno("malloc");
1001 f8a36e22 2021-08-26 stsp memcpy(id->sha1, iremote_ref.id, SHA1_DIGEST_LENGTH);
1002 f8a36e22 2021-08-26 stsp refname = strndup(imsg.data + sizeof(iremote_ref),
1003 f8a36e22 2021-08-26 stsp datalen - sizeof(iremote_ref));
1004 f8a36e22 2021-08-26 stsp if (refname == NULL) {
1005 f8a36e22 2021-08-26 stsp err = got_error_from_errno("strndup");
1006 f8a36e22 2021-08-26 stsp goto done;
1008 f8a36e22 2021-08-26 stsp err = got_pathlist_insert(&new, remote_refs,
1009 f8a36e22 2021-08-26 stsp refname, id);
1011 f8a36e22 2021-08-26 stsp goto done;
1012 f8a36e22 2021-08-26 stsp if (new == NULL) { /* duplicate which wasn't inserted */
1014 f8a36e22 2021-08-26 stsp free(refname);
1016 f8a36e22 2021-08-26 stsp id = NULL;
1017 f8a36e22 2021-08-26 stsp refname = NULL;
1019 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_PACK_REQUEST:
1020 f8a36e22 2021-08-26 stsp if (datalen != 0) {
1021 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1022 f8a36e22 2021-08-26 stsp goto done;
1024 f8a36e22 2021-08-26 stsp /* got-send-pack is now waiting for a pack file. */
1028 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1034 f8a36e22 2021-08-26 stsp free(refname);
1035 b9f99abf 2020-03-18 stsp imsg_free(&imsg);
1036 b9f99abf 2020-03-18 stsp return err;
1039 93658fb9 2020-03-18 stsp const struct got_error *
1040 f8a36e22 2021-08-26 stsp got_privsep_send_packfd(struct imsgbuf *ibuf, int fd)
1042 f8a36e22 2021-08-26 stsp return send_fd(ibuf, GOT_IMSG_SEND_PACKFD, fd);
1045 f8a36e22 2021-08-26 stsp const struct got_error *
1046 f8a36e22 2021-08-26 stsp got_privsep_recv_send_progress(int *done, off_t *bytes_sent,
1047 f8a36e22 2021-08-26 stsp int *success, char **refname, struct imsgbuf *ibuf)
1049 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
1050 f8a36e22 2021-08-26 stsp struct imsg imsg;
1051 f8a36e22 2021-08-26 stsp size_t datalen;
1052 f8a36e22 2021-08-26 stsp struct got_imsg_send_ref_status iref_status;
1054 f8a36e22 2021-08-26 stsp /* Do not reset the current value of 'bytes_sent', it accumulates. */
1055 f8a36e22 2021-08-26 stsp *done = 0;
1056 f8a36e22 2021-08-26 stsp *success = 0;
1057 f8a36e22 2021-08-26 stsp *refname = NULL;
1059 f8a36e22 2021-08-26 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1061 f8a36e22 2021-08-26 stsp return err;
1063 f8a36e22 2021-08-26 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1064 f8a36e22 2021-08-26 stsp switch (imsg.hdr.type) {
1065 f8a36e22 2021-08-26 stsp case GOT_IMSG_ERROR:
1066 f8a36e22 2021-08-26 stsp if (datalen < sizeof(struct got_imsg_error)) {
1067 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1070 f8a36e22 2021-08-26 stsp err = recv_imsg_error(&imsg, datalen);
1072 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_UPLOAD_PROGRESS:
1073 f8a36e22 2021-08-26 stsp if (datalen < sizeof(*bytes_sent)) {
1074 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1077 f8a36e22 2021-08-26 stsp memcpy(bytes_sent, imsg.data, sizeof(*bytes_sent));
1079 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_REF_STATUS:
1080 f8a36e22 2021-08-26 stsp if (datalen < sizeof(iref_status)) {
1081 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1084 f8a36e22 2021-08-26 stsp memcpy(&iref_status, imsg.data, sizeof(iref_status));
1085 f8a36e22 2021-08-26 stsp if (datalen != sizeof(iref_status) + iref_status.name_len) {
1086 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1089 f8a36e22 2021-08-26 stsp *success = iref_status.success;
1090 f8a36e22 2021-08-26 stsp *refname = strndup(imsg.data + sizeof(iref_status),
1091 f8a36e22 2021-08-26 stsp iref_status.name_len);
1093 f8a36e22 2021-08-26 stsp case GOT_IMSG_SEND_DONE:
1094 f8a36e22 2021-08-26 stsp if (datalen != 0) {
1095 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1098 f8a36e22 2021-08-26 stsp *done = 1;
1101 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1105 f8a36e22 2021-08-26 stsp imsg_free(&imsg);
1106 f8a36e22 2021-08-26 stsp return err;
1109 f8a36e22 2021-08-26 stsp const struct got_error *
1110 fd251256 2020-03-24 stsp got_privsep_send_index_pack_req(struct imsgbuf *ibuf, uint8_t *pack_sha1,
1113 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1115 668a20f6 2020-03-18 stsp /* Keep in sync with struct got_imsg_index_pack_request */
1116 93658fb9 2020-03-18 stsp if (imsg_compose(ibuf, GOT_IMSG_IDXPACK_REQUEST, 0, 0, fd,
1117 fd251256 2020-03-24 stsp pack_sha1, SHA1_DIGEST_LENGTH) == -1) {
1118 93658fb9 2020-03-18 stsp err = got_error_from_errno("imsg_compose INDEX_REQUEST");
1119 93658fb9 2020-03-18 stsp close(fd);
1120 93658fb9 2020-03-18 stsp return err;
1122 baa9fea0 2020-03-18 stsp return flush_imsg(ibuf);
1125 baa9fea0 2020-03-18 stsp const struct got_error *
1126 73ab1060 2020-03-18 stsp got_privsep_send_index_pack_outfd(struct imsgbuf *ibuf, int fd)
1128 73ab1060 2020-03-18 stsp return send_fd(ibuf, GOT_IMSG_IDXPACK_OUTFD, fd);
1131 73ab1060 2020-03-18 stsp const struct got_error *
1132 668a20f6 2020-03-18 stsp got_privsep_recv_index_progress(int *done, int *nobj_total,
1133 668a20f6 2020-03-18 stsp int *nobj_indexed, int *nobj_loose, int *nobj_resolved,
1134 668a20f6 2020-03-18 stsp struct imsgbuf *ibuf)
1136 93658fb9 2020-03-18 stsp const struct got_error *err = NULL;
1137 93658fb9 2020-03-18 stsp struct imsg imsg;
1138 baa9fea0 2020-03-18 stsp struct got_imsg_index_pack_progress *iprogress;
1139 baa9fea0 2020-03-18 stsp size_t datalen;
1141 baa9fea0 2020-03-18 stsp *done = 0;
1142 668a20f6 2020-03-18 stsp *nobj_total = 0;
1143 668a20f6 2020-03-18 stsp *nobj_indexed = 0;
1144 668a20f6 2020-03-18 stsp *nobj_resolved = 0;
1146 93658fb9 2020-03-18 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1148 93658fb9 2020-03-18 stsp return err;
1150 baa9fea0 2020-03-18 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1151 baa9fea0 2020-03-18 stsp switch (imsg.hdr.type) {
1152 baa9fea0 2020-03-18 stsp case GOT_IMSG_ERROR:
1153 baa9fea0 2020-03-18 stsp if (datalen < sizeof(struct got_imsg_error)) {
1154 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1157 baa9fea0 2020-03-18 stsp err = recv_imsg_error(&imsg, datalen);
1159 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_PROGRESS:
1160 baa9fea0 2020-03-18 stsp if (datalen < sizeof(*iprogress)) {
1161 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1164 baa9fea0 2020-03-18 stsp iprogress = (struct got_imsg_index_pack_progress *)imsg.data;
1165 668a20f6 2020-03-18 stsp *nobj_total = iprogress->nobj_total;
1166 668a20f6 2020-03-18 stsp *nobj_indexed = iprogress->nobj_indexed;
1167 668a20f6 2020-03-18 stsp *nobj_loose = iprogress->nobj_loose;
1168 668a20f6 2020-03-18 stsp *nobj_resolved = iprogress->nobj_resolved;
1170 baa9fea0 2020-03-18 stsp case GOT_IMSG_IDXPACK_DONE:
1171 baa9fea0 2020-03-18 stsp if (datalen != 0) {
1172 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1175 baa9fea0 2020-03-18 stsp *done = 1;
1178 baa9fea0 2020-03-18 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1182 93658fb9 2020-03-18 stsp imsg_free(&imsg);
1183 baa9fea0 2020-03-18 stsp return err;
1186 93658fb9 2020-03-18 stsp const struct got_error *
1187 cfd633c2 2018-09-10 stsp got_privsep_get_imsg_obj(struct got_object **obj, struct imsg *imsg,
1188 cfd633c2 2018-09-10 stsp struct imsgbuf *ibuf)
1190 291624d8 2018-11-07 stsp struct got_imsg_object *iobj;
1191 cfd633c2 2018-09-10 stsp size_t datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1193 291624d8 2018-11-07 stsp if (datalen != sizeof(*iobj))
1194 cfd633c2 2018-09-10 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1195 291624d8 2018-11-07 stsp iobj = imsg->data;
1197 cfd633c2 2018-09-10 stsp *obj = calloc(1, sizeof(**obj));
1198 cfd633c2 2018-09-10 stsp if (*obj == NULL)
1199 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
1201 291624d8 2018-11-07 stsp memcpy((*obj)->id.sha1, iobj->id, SHA1_DIGEST_LENGTH);
1202 291624d8 2018-11-07 stsp (*obj)->type = iobj->type;
1203 291624d8 2018-11-07 stsp (*obj)->flags = iobj->flags;
1204 291624d8 2018-11-07 stsp (*obj)->hdrlen = iobj->hdrlen;
1205 291624d8 2018-11-07 stsp (*obj)->size = iobj->size;
1206 c59b3346 2018-09-11 stsp /* path_packfile is handled by caller */
1207 291624d8 2018-11-07 stsp if (iobj->flags & GOT_OBJ_FLAG_PACKED) {
1208 291624d8 2018-11-07 stsp (*obj)->pack_offset = iobj->pack_offset;
1209 291624d8 2018-11-07 stsp (*obj)->pack_idx = iobj->pack_idx;
1211 772802ae 2022-01-27 thomas STAILQ_INIT(&(*obj)->deltas.entries);
1212 772802ae 2022-01-27 thomas return NULL;
1215 2178c42e 2018-04-22 stsp const struct got_error *
1216 2178c42e 2018-04-22 stsp got_privsep_recv_obj(struct got_object **obj, struct imsgbuf *ibuf)
1218 2178c42e 2018-04-22 stsp const struct got_error *err = NULL;
1219 2178c42e 2018-04-22 stsp struct imsg imsg;
1220 c4eae628 2018-04-23 stsp const size_t min_datalen =
1221 c4eae628 2018-04-23 stsp MIN(sizeof(struct got_imsg_error), sizeof(struct got_imsg_object));
1223 2178c42e 2018-04-22 stsp *obj = NULL;
1225 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1227 2178c42e 2018-04-22 stsp return err;
1229 2178c42e 2018-04-22 stsp switch (imsg.hdr.type) {
1230 2178c42e 2018-04-22 stsp case GOT_IMSG_OBJECT:
1231 cfd633c2 2018-09-10 stsp err = got_privsep_get_imsg_obj(obj, &imsg, ibuf);
1234 bff6ca00 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1238 bff6ca00 2018-04-23 stsp imsg_free(&imsg);
1240 bff6ca00 2018-04-23 stsp return err;
1243 c75f7264 2018-09-11 stsp static const struct got_error *
1244 c75f7264 2018-09-11 stsp send_commit_logmsg(struct imsgbuf *ibuf, struct got_commit_object *commit,
1245 c75f7264 2018-09-11 stsp size_t logmsg_len)
1247 fa4ffeb3 2018-11-04 stsp const struct got_error *err = NULL;
1248 c75f7264 2018-09-11 stsp size_t offset, remain;
1250 c75f7264 2018-09-11 stsp offset = 0;
1251 c75f7264 2018-09-11 stsp remain = logmsg_len;
1252 c75f7264 2018-09-11 stsp while (remain > 0) {
1253 c75f7264 2018-09-11 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1255 c75f7264 2018-09-11 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT_LOGMSG, 0, 0, -1,
1256 fa4ffeb3 2018-11-04 stsp commit->logmsg + offset, n) == -1) {
1257 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose "
1258 230a42bd 2019-05-11 jcs "COMMIT_LOGMSG");
1262 fa4ffeb3 2018-11-04 stsp err = flush_imsg(ibuf);
1266 c75f7264 2018-09-11 stsp offset += n;
1267 c75f7264 2018-09-11 stsp remain -= n;
1270 fa4ffeb3 2018-11-04 stsp return err;
1273 bff6ca00 2018-04-23 stsp const struct got_error *
1274 068fd2bf 2018-04-24 stsp got_privsep_send_commit(struct imsgbuf *ibuf, struct got_commit_object *commit)
1276 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1277 b9c33926 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1278 bff6ca00 2018-04-23 stsp uint8_t *buf;
1279 bff6ca00 2018-04-23 stsp size_t len, total;
1280 79f35eb3 2018-06-11 stsp struct got_object_qid *qid;
1281 b9c33926 2018-11-07 stsp size_t author_len = strlen(commit->author);
1282 b9c33926 2018-11-07 stsp size_t committer_len = strlen(commit->committer);
1283 c75f7264 2018-09-11 stsp size_t logmsg_len = strlen(commit->logmsg);
1285 b9c33926 2018-11-07 stsp total = sizeof(*icommit) + author_len + committer_len +
1286 b9c33926 2018-11-07 stsp commit->nparents * SHA1_DIGEST_LENGTH;
1288 bff6ca00 2018-04-23 stsp buf = malloc(total);
1289 bff6ca00 2018-04-23 stsp if (buf == NULL)
1290 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1292 b9c33926 2018-11-07 stsp icommit = (struct got_imsg_commit_object *)buf;
1293 a7403916 2018-12-24 stsp memcpy(icommit->tree_id, commit->tree_id->sha1,
1294 a7403916 2018-12-24 stsp sizeof(icommit->tree_id));
1295 b9c33926 2018-11-07 stsp icommit->author_len = author_len;
1296 b9c33926 2018-11-07 stsp icommit->author_time = commit->author_time;
1297 b9c33926 2018-11-07 stsp icommit->author_gmtoff = commit->author_gmtoff;
1298 b9c33926 2018-11-07 stsp icommit->committer_len = committer_len;
1299 b9c33926 2018-11-07 stsp icommit->committer_time = commit->committer_time;
1300 b9c33926 2018-11-07 stsp icommit->committer_gmtoff = commit->committer_gmtoff;
1301 b9c33926 2018-11-07 stsp icommit->logmsg_len = logmsg_len;
1302 b9c33926 2018-11-07 stsp icommit->nparents = commit->nparents;
1304 b9c33926 2018-11-07 stsp len = sizeof(*icommit);
1305 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->author, author_len);
1306 b9c33926 2018-11-07 stsp len += author_len;
1307 b9c33926 2018-11-07 stsp memcpy(buf + len, commit->committer, committer_len);
1308 b9c33926 2018-11-07 stsp len += committer_len;
1309 dbdddfee 2021-06-23 naddy STAILQ_FOREACH(qid, &commit->parent_ids, entry) {
1310 ec242592 2022-04-22 thomas memcpy(buf + len, &qid->id, SHA1_DIGEST_LENGTH);
1311 86acc566 2018-04-23 stsp len += SHA1_DIGEST_LENGTH;
1314 bff6ca00 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_COMMIT, 0, 0, -1, buf, len) == -1) {
1315 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose COMMIT");
1316 bff6ca00 2018-04-23 stsp goto done;
1319 904df868 2018-11-04 stsp if (logmsg_len == 0 ||
1320 904df868 2018-11-04 stsp logmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1321 904df868 2018-11-04 stsp err = flush_imsg(ibuf);
1323 904df868 2018-11-04 stsp goto done;
1325 c75f7264 2018-09-11 stsp err = send_commit_logmsg(ibuf, commit, logmsg_len);
1327 bff6ca00 2018-04-23 stsp free(buf);
1328 bff6ca00 2018-04-23 stsp return err;
1331 ca6e02ac 2020-01-07 stsp static const struct got_error *
1332 ca6e02ac 2020-01-07 stsp get_commit_from_imsg(struct got_commit_object **commit,
1333 ca6e02ac 2020-01-07 stsp struct imsg *imsg, size_t datalen, struct imsgbuf *ibuf)
1335 bff6ca00 2018-04-23 stsp const struct got_error *err = NULL;
1336 291624d8 2018-11-07 stsp struct got_imsg_commit_object *icommit;
1337 ca6e02ac 2020-01-07 stsp size_t len = 0;
1340 ca6e02ac 2020-01-07 stsp if (datalen < sizeof(*icommit))
1341 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1343 ca6e02ac 2020-01-07 stsp icommit = imsg->data;
1344 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommit) + icommit->author_len +
1345 ca6e02ac 2020-01-07 stsp icommit->committer_len +
1346 ca6e02ac 2020-01-07 stsp icommit->nparents * SHA1_DIGEST_LENGTH)
1347 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1349 ca6e02ac 2020-01-07 stsp if (icommit->nparents < 0)
1350 ca6e02ac 2020-01-07 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
1352 ca6e02ac 2020-01-07 stsp len += sizeof(*icommit);
1354 ca6e02ac 2020-01-07 stsp *commit = got_object_commit_alloc_partial();
1355 ca6e02ac 2020-01-07 stsp if (*commit == NULL)
1356 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
1357 ca6e02ac 2020-01-07 stsp "got_object_commit_alloc_partial");
1359 ca6e02ac 2020-01-07 stsp memcpy((*commit)->tree_id->sha1, icommit->tree_id,
1360 ca6e02ac 2020-01-07 stsp SHA1_DIGEST_LENGTH);
1361 ca6e02ac 2020-01-07 stsp (*commit)->author_time = icommit->author_time;
1362 ca6e02ac 2020-01-07 stsp (*commit)->author_gmtoff = icommit->author_gmtoff;
1363 ca6e02ac 2020-01-07 stsp (*commit)->committer_time = icommit->committer_time;
1364 ca6e02ac 2020-01-07 stsp (*commit)->committer_gmtoff = icommit->committer_gmtoff;
1366 ca6e02ac 2020-01-07 stsp if (icommit->author_len == 0) {
1367 ca6e02ac 2020-01-07 stsp (*commit)->author = strdup("");
1368 ca6e02ac 2020-01-07 stsp if ((*commit)->author == NULL) {
1369 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1370 ca6e02ac 2020-01-07 stsp goto done;
1373 ca6e02ac 2020-01-07 stsp (*commit)->author = malloc(icommit->author_len + 1);
1374 ca6e02ac 2020-01-07 stsp if ((*commit)->author == NULL) {
1375 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1376 ca6e02ac 2020-01-07 stsp goto done;
1378 ca6e02ac 2020-01-07 stsp memcpy((*commit)->author, imsg->data + len,
1379 ca6e02ac 2020-01-07 stsp icommit->author_len);
1380 ca6e02ac 2020-01-07 stsp (*commit)->author[icommit->author_len] = '\0';
1382 ca6e02ac 2020-01-07 stsp len += icommit->author_len;
1384 ca6e02ac 2020-01-07 stsp if (icommit->committer_len == 0) {
1385 ca6e02ac 2020-01-07 stsp (*commit)->committer = strdup("");
1386 ca6e02ac 2020-01-07 stsp if ((*commit)->committer == NULL) {
1387 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1388 ca6e02ac 2020-01-07 stsp goto done;
1391 ca6e02ac 2020-01-07 stsp (*commit)->committer =
1392 ca6e02ac 2020-01-07 stsp malloc(icommit->committer_len + 1);
1393 ca6e02ac 2020-01-07 stsp if ((*commit)->committer == NULL) {
1394 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1395 ca6e02ac 2020-01-07 stsp goto done;
1397 ca6e02ac 2020-01-07 stsp memcpy((*commit)->committer, imsg->data + len,
1398 ca6e02ac 2020-01-07 stsp icommit->committer_len);
1399 ca6e02ac 2020-01-07 stsp (*commit)->committer[icommit->committer_len] = '\0';
1401 ca6e02ac 2020-01-07 stsp len += icommit->committer_len;
1403 ca6e02ac 2020-01-07 stsp if (icommit->logmsg_len == 0) {
1404 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = strdup("");
1405 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1406 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("strdup");
1407 ca6e02ac 2020-01-07 stsp goto done;
1410 ca6e02ac 2020-01-07 stsp size_t offset = 0, remain = icommit->logmsg_len;
1412 ca6e02ac 2020-01-07 stsp (*commit)->logmsg = malloc(icommit->logmsg_len + 1);
1413 ca6e02ac 2020-01-07 stsp if ((*commit)->logmsg == NULL) {
1414 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("malloc");
1415 ca6e02ac 2020-01-07 stsp goto done;
1417 ca6e02ac 2020-01-07 stsp while (remain > 0) {
1418 ca6e02ac 2020-01-07 stsp struct imsg imsg_log;
1419 ca6e02ac 2020-01-07 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1422 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1424 ca6e02ac 2020-01-07 stsp goto done;
1426 ca6e02ac 2020-01-07 stsp if (imsg_log.hdr.type != GOT_IMSG_COMMIT_LOGMSG) {
1427 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1428 ca6e02ac 2020-01-07 stsp goto done;
1431 ca6e02ac 2020-01-07 stsp memcpy((*commit)->logmsg + offset,
1432 ca6e02ac 2020-01-07 stsp imsg_log.data, n);
1433 ca6e02ac 2020-01-07 stsp imsg_free(&imsg_log);
1434 ca6e02ac 2020-01-07 stsp offset += n;
1435 ca6e02ac 2020-01-07 stsp remain -= n;
1437 ca6e02ac 2020-01-07 stsp (*commit)->logmsg[icommit->logmsg_len] = '\0';
1440 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommit->nparents; i++) {
1441 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
1443 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
1446 ec242592 2022-04-22 thomas memcpy(&qid->id, imsg->data + len +
1447 ec242592 2022-04-22 thomas i * SHA1_DIGEST_LENGTH, sizeof(qid->id));
1448 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(&(*commit)->parent_ids, qid, entry);
1449 ca6e02ac 2020-01-07 stsp (*commit)->nparents++;
1452 ca6e02ac 2020-01-07 stsp if (err) {
1453 ca6e02ac 2020-01-07 stsp got_object_commit_close(*commit);
1454 ca6e02ac 2020-01-07 stsp *commit = NULL;
1456 ca6e02ac 2020-01-07 stsp return err;
1459 ca6e02ac 2020-01-07 stsp const struct got_error *
1460 ca6e02ac 2020-01-07 stsp got_privsep_recv_commit(struct got_commit_object **commit, struct imsgbuf *ibuf)
1462 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
1463 ca6e02ac 2020-01-07 stsp struct imsg imsg;
1464 ca6e02ac 2020-01-07 stsp size_t datalen;
1465 ca6e02ac 2020-01-07 stsp const size_t min_datalen =
1466 ca6e02ac 2020-01-07 stsp MIN(sizeof(struct got_imsg_error),
1467 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_object));
1469 ca6e02ac 2020-01-07 stsp *commit = NULL;
1471 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1473 ca6e02ac 2020-01-07 stsp return err;
1475 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1477 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
1478 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
1479 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(commit, &imsg, datalen, ibuf);
1482 8c580685 2018-04-22 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1486 2178c42e 2018-04-22 stsp imsg_free(&imsg);
1488 e033d803 2018-04-23 stsp return err;
1491 e033d803 2018-04-23 stsp const struct got_error *
1492 3022d272 2019-11-14 stsp got_privsep_send_tree(struct imsgbuf *ibuf, struct got_pathlist_head *entries,
1493 3022d272 2019-11-14 stsp int nentries)
1495 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
1496 e033d803 2018-04-23 stsp struct got_imsg_tree_object itree;
1497 3022d272 2019-11-14 stsp struct got_pathlist_entry *pe;
1498 b00c9821 2018-11-04 stsp size_t totlen;
1499 6eb07a17 2018-11-04 stsp int nimsg; /* number of imsg queued in ibuf */
1501 3022d272 2019-11-14 stsp itree.nentries = nentries;
1502 e033d803 2018-04-23 stsp if (imsg_compose(ibuf, GOT_IMSG_TREE, 0, 0, -1, &itree, sizeof(itree))
1504 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose TREE");
1506 b00c9821 2018-11-04 stsp totlen = sizeof(itree);
1507 6eb07a17 2018-11-04 stsp nimsg = 1;
1508 3022d272 2019-11-14 stsp TAILQ_FOREACH(pe, entries, entry) {
1509 3022d272 2019-11-14 stsp const char *name = pe->path;
1510 3022d272 2019-11-14 stsp struct got_parsed_tree_entry *pte = pe->data;
1511 3022d272 2019-11-14 stsp struct ibuf *wbuf;
1512 3022d272 2019-11-14 stsp size_t namelen = strlen(name);
1513 cd9e913a 2019-11-27 stsp size_t len = sizeof(struct got_imsg_tree_entry) + namelen;
1515 e033d803 2018-04-23 stsp if (len > MAX_IMSGSIZE)
1516 e033d803 2018-04-23 stsp return got_error(GOT_ERR_NO_SPACE);
1519 6eb07a17 2018-11-04 stsp if (totlen + len >= MAX_IMSGSIZE - (IMSG_HEADER_SIZE * nimsg)) {
1520 b00c9821 2018-11-04 stsp err = flush_imsg(ibuf);
1522 b00c9821 2018-11-04 stsp return err;
1523 6eb07a17 2018-11-04 stsp nimsg = 0;
1526 3022d272 2019-11-14 stsp wbuf = imsg_create(ibuf, GOT_IMSG_TREE_ENTRY, 0, 0, len);
1527 3022d272 2019-11-14 stsp if (wbuf == NULL)
1528 3022d272 2019-11-14 stsp return got_error_from_errno("imsg_create TREE_ENTRY");
1530 3022d272 2019-11-14 stsp /* Keep in sync with struct got_imsg_tree_object definition! */
1531 3b647085 2019-11-23 stsp if (imsg_add(wbuf, pte->id, SHA1_DIGEST_LENGTH) == -1) {
1532 3022d272 2019-11-14 stsp err = got_error_from_errno("imsg_add TREE_ENTRY");
1533 3b647085 2019-11-23 stsp ibuf_free(wbuf);
1534 e033d803 2018-04-23 stsp return err;
1536 3b647085 2019-11-23 stsp if (imsg_add(wbuf, &pte->mode, sizeof(pte->mode)) == -1) {
1537 3022d272 2019-11-14 stsp err = got_error_from_errno("imsg_add TREE_ENTRY");
1538 3b647085 2019-11-23 stsp ibuf_free(wbuf);
1539 3022d272 2019-11-14 stsp return err;
1542 3b647085 2019-11-23 stsp if (imsg_add(wbuf, name, namelen) == -1) {
1543 3022d272 2019-11-14 stsp err = got_error_from_errno("imsg_add TREE_ENTRY");
1544 3b647085 2019-11-23 stsp ibuf_free(wbuf);
1545 3022d272 2019-11-14 stsp return err;
1548 3022d272 2019-11-14 stsp wbuf->fd = -1;
1549 3022d272 2019-11-14 stsp imsg_close(ibuf, wbuf);
1551 b00c9821 2018-11-04 stsp totlen += len;
1554 b00c9821 2018-11-04 stsp return flush_imsg(ibuf);
1557 e033d803 2018-04-23 stsp const struct got_error *
1558 068fd2bf 2018-04-24 stsp got_privsep_recv_tree(struct got_tree_object **tree, struct imsgbuf *ibuf)
1560 e033d803 2018-04-23 stsp const struct got_error *err = NULL;
1561 e033d803 2018-04-23 stsp const size_t min_datalen =
1562 e033d803 2018-04-23 stsp MIN(sizeof(struct got_imsg_error),
1563 e033d803 2018-04-23 stsp sizeof(struct got_imsg_tree_object));
1564 291624d8 2018-11-07 stsp struct got_imsg_tree_object *itree;
1565 e033d803 2018-04-23 stsp int nentries = 0;
1567 e033d803 2018-04-23 stsp *tree = NULL;
1569 e033d803 2018-04-23 stsp err = read_imsg(ibuf);
1571 1e51f5b9 2018-04-23 stsp goto done;
1574 e033d803 2018-04-23 stsp struct imsg imsg;
1576 e033d803 2018-04-23 stsp size_t datalen;
1577 c0588d8d 2018-11-07 stsp struct got_imsg_tree_entry *ite;
1578 e033d803 2018-04-23 stsp struct got_tree_entry *te = NULL;
1580 e033d803 2018-04-23 stsp n = imsg_get(ibuf, &imsg);
1581 e033d803 2018-04-23 stsp if (n == 0) {
1582 56e0773d 2019-11-28 stsp if (*tree && (*tree)->nentries != nentries)
1583 e033d803 2018-04-23 stsp goto get_more;
1587 fca1f6ad 2020-08-27 stsp if (imsg.hdr.len < IMSG_HEADER_SIZE + min_datalen) {
1588 fca1f6ad 2020-08-27 stsp imsg_free(&imsg);
1589 fca1f6ad 2020-08-27 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1593 e033d803 2018-04-23 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1595 e033d803 2018-04-23 stsp switch (imsg.hdr.type) {
1596 e033d803 2018-04-23 stsp case GOT_IMSG_ERROR:
1597 e033d803 2018-04-23 stsp err = recv_imsg_error(&imsg, datalen);
1599 e033d803 2018-04-23 stsp case GOT_IMSG_TREE:
1600 e033d803 2018-04-23 stsp /* This message should only appear once. */
1601 e033d803 2018-04-23 stsp if (*tree != NULL) {
1602 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1605 291624d8 2018-11-07 stsp if (datalen != sizeof(*itree)) {
1606 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1609 291624d8 2018-11-07 stsp itree = imsg.data;
1610 c3b78ecc 2018-11-07 stsp *tree = malloc(sizeof(**tree));
1611 e033d803 2018-04-23 stsp if (*tree == NULL) {
1612 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1615 56e0773d 2019-11-28 stsp (*tree)->entries = calloc(itree->nentries,
1616 56e0773d 2019-11-28 stsp sizeof(struct got_tree_entry));
1617 56e0773d 2019-11-28 stsp if ((*tree)->entries == NULL) {
1618 56e0773d 2019-11-28 stsp err = got_error_from_errno("malloc");
1621 56e0773d 2019-11-28 stsp (*tree)->nentries = itree->nentries;
1622 c3b78ecc 2018-11-07 stsp (*tree)->refcnt = 0;
1624 e033d803 2018-04-23 stsp case GOT_IMSG_TREE_ENTRY:
1625 e033d803 2018-04-23 stsp /* This message should be preceeded by GOT_IMSG_TREE. */
1626 e033d803 2018-04-23 stsp if (*tree == NULL) {
1627 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1630 c0588d8d 2018-11-07 stsp if (datalen < sizeof(*ite) || datalen > MAX_IMSGSIZE) {
1631 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1635 e033d803 2018-04-23 stsp /* Remaining data contains the entry's name. */
1636 c0588d8d 2018-11-07 stsp datalen -= sizeof(*ite);
1637 e033d803 2018-04-23 stsp if (datalen == 0 || datalen > MAX_IMSGSIZE) {
1638 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1641 c0588d8d 2018-11-07 stsp ite = imsg.data;
1643 56e0773d 2019-11-28 stsp if (datalen + 1 > sizeof(te->name)) {
1644 56e0773d 2019-11-28 stsp err = got_error(GOT_ERR_NO_SPACE);
1647 56e0773d 2019-11-28 stsp te = &(*tree)->entries[nentries];
1648 c0588d8d 2018-11-07 stsp memcpy(te->name, imsg.data + sizeof(*ite), datalen);
1649 e033d803 2018-04-23 stsp te->name[datalen] = '\0';
1651 56e0773d 2019-11-28 stsp memcpy(te->id.sha1, ite->id, SHA1_DIGEST_LENGTH);
1652 c0588d8d 2018-11-07 stsp te->mode = ite->mode;
1653 56e0773d 2019-11-28 stsp te->idx = nentries;
1654 e033d803 2018-04-23 stsp nentries++;
1657 e033d803 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1661 e033d803 2018-04-23 stsp imsg_free(&imsg);
1666 56e0773d 2019-11-28 stsp if (*tree && (*tree)->nentries != nentries) {
1667 1e51f5b9 2018-04-23 stsp if (err == NULL)
1668 1e51f5b9 2018-04-23 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1669 e033d803 2018-04-23 stsp got_object_tree_close(*tree);
1670 e033d803 2018-04-23 stsp *tree = NULL;
1673 ff6b18f8 2018-04-24 stsp return err;
1676 ff6b18f8 2018-04-24 stsp const struct got_error *
1677 ac544f8c 2019-01-13 stsp got_privsep_send_blob(struct imsgbuf *ibuf, size_t size, size_t hdrlen,
1678 ac544f8c 2019-01-13 stsp const uint8_t *data)
1680 2967a784 2018-04-24 stsp struct got_imsg_blob iblob;
1682 2967a784 2018-04-24 stsp iblob.size = size;
1683 ebc55e2d 2018-12-24 stsp iblob.hdrlen = hdrlen;
1685 ac544f8c 2019-01-13 stsp if (data) {
1686 ac544f8c 2019-01-13 stsp uint8_t *buf;
1688 ac544f8c 2019-01-13 stsp if (size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX)
1689 ac544f8c 2019-01-13 stsp return got_error(GOT_ERR_NO_SPACE);
1691 ac544f8c 2019-01-13 stsp buf = malloc(sizeof(iblob) + size);
1692 ac544f8c 2019-01-13 stsp if (buf == NULL)
1693 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1695 ac544f8c 2019-01-13 stsp memcpy(buf, &iblob, sizeof(iblob));
1696 ac544f8c 2019-01-13 stsp memcpy(buf + sizeof(iblob), data, size);
1697 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, buf,
1698 62d463ca 2020-10-20 naddy sizeof(iblob) + size) == -1) {
1699 ac544f8c 2019-01-13 stsp free(buf);
1700 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1702 ac544f8c 2019-01-13 stsp free(buf);
1704 ac544f8c 2019-01-13 stsp /* Data has already been written to file descriptor. */
1705 ac544f8c 2019-01-13 stsp if (imsg_compose(ibuf, GOT_IMSG_BLOB, 0, 0, -1, &iblob,
1706 ac544f8c 2019-01-13 stsp sizeof(iblob)) == -1)
1707 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose BLOB");
1711 ff6b18f8 2018-04-24 stsp return flush_imsg(ibuf);
1714 ff6b18f8 2018-04-24 stsp const struct got_error *
1715 ac544f8c 2019-01-13 stsp got_privsep_recv_blob(uint8_t **outbuf, size_t *size, size_t *hdrlen,
1716 ac544f8c 2019-01-13 stsp struct imsgbuf *ibuf)
1718 ff6b18f8 2018-04-24 stsp const struct got_error *err = NULL;
1719 ff6b18f8 2018-04-24 stsp struct imsg imsg;
1720 291624d8 2018-11-07 stsp struct got_imsg_blob *iblob;
1721 ff6b18f8 2018-04-24 stsp size_t datalen;
1723 ac544f8c 2019-01-13 stsp *outbuf = NULL;
1725 ad242220 2018-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
1727 ff6b18f8 2018-04-24 stsp return err;
1729 ff6b18f8 2018-04-24 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1731 ff6b18f8 2018-04-24 stsp switch (imsg.hdr.type) {
1732 ff6b18f8 2018-04-24 stsp case GOT_IMSG_BLOB:
1733 ac544f8c 2019-01-13 stsp if (datalen < sizeof(*iblob)) {
1734 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1737 291624d8 2018-11-07 stsp iblob = imsg.data;
1738 291624d8 2018-11-07 stsp *size = iblob->size;
1739 ebc55e2d 2018-12-24 stsp *hdrlen = iblob->hdrlen;
1741 ac544f8c 2019-01-13 stsp if (datalen == sizeof(*iblob)) {
1742 ac544f8c 2019-01-13 stsp /* Data has been written to file descriptor. */
1746 ac544f8c 2019-01-13 stsp if (*size > GOT_PRIVSEP_INLINE_BLOB_DATA_MAX) {
1747 ac544f8c 2019-01-13 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1751 ac544f8c 2019-01-13 stsp *outbuf = malloc(*size);
1752 ac544f8c 2019-01-13 stsp if (*outbuf == NULL) {
1753 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1756 ac544f8c 2019-01-13 stsp memcpy(*outbuf, imsg.data + sizeof(*iblob), *size);
1759 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1763 f4a881ce 2018-11-17 stsp imsg_free(&imsg);
1765 f4a881ce 2018-11-17 stsp return err;
1768 f4a881ce 2018-11-17 stsp static const struct got_error *
1769 f4a881ce 2018-11-17 stsp send_tagmsg(struct imsgbuf *ibuf, struct got_tag_object *tag, size_t tagmsg_len)
1771 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1772 f4a881ce 2018-11-17 stsp size_t offset, remain;
1774 f4a881ce 2018-11-17 stsp offset = 0;
1775 f4a881ce 2018-11-17 stsp remain = tagmsg_len;
1776 f4a881ce 2018-11-17 stsp while (remain > 0) {
1777 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE, remain);
1779 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG_TAGMSG, 0, 0, -1,
1780 f4a881ce 2018-11-17 stsp tag->tagmsg + offset, n) == -1) {
1781 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG_TAGMSG");
1785 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1789 f4a881ce 2018-11-17 stsp offset += n;
1790 f4a881ce 2018-11-17 stsp remain -= n;
1793 f4a881ce 2018-11-17 stsp return err;
1796 f4a881ce 2018-11-17 stsp const struct got_error *
1797 f4a881ce 2018-11-17 stsp got_privsep_send_tag(struct imsgbuf *ibuf, struct got_tag_object *tag)
1799 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1800 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1801 f4a881ce 2018-11-17 stsp uint8_t *buf;
1802 f4a881ce 2018-11-17 stsp size_t len, total;
1803 f4a881ce 2018-11-17 stsp size_t tag_len = strlen(tag->tag);
1804 f4a881ce 2018-11-17 stsp size_t tagger_len = strlen(tag->tagger);
1805 f4a881ce 2018-11-17 stsp size_t tagmsg_len = strlen(tag->tagmsg);
1807 f4a881ce 2018-11-17 stsp total = sizeof(*itag) + tag_len + tagger_len + tagmsg_len;
1809 f4a881ce 2018-11-17 stsp buf = malloc(total);
1810 f4a881ce 2018-11-17 stsp if (buf == NULL)
1811 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
1813 f4a881ce 2018-11-17 stsp itag = (struct got_imsg_tag_object *)buf;
1814 f4a881ce 2018-11-17 stsp memcpy(itag->id, tag->id.sha1, sizeof(itag->id));
1815 f4a881ce 2018-11-17 stsp itag->obj_type = tag->obj_type;
1816 f4a881ce 2018-11-17 stsp itag->tag_len = tag_len;
1817 f4a881ce 2018-11-17 stsp itag->tagger_len = tagger_len;
1818 f4a881ce 2018-11-17 stsp itag->tagger_time = tag->tagger_time;
1819 f4a881ce 2018-11-17 stsp itag->tagger_gmtoff = tag->tagger_gmtoff;
1820 f4a881ce 2018-11-17 stsp itag->tagmsg_len = tagmsg_len;
1822 f4a881ce 2018-11-17 stsp len = sizeof(*itag);
1823 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tag, tag_len);
1824 f4a881ce 2018-11-17 stsp len += tag_len;
1825 f4a881ce 2018-11-17 stsp memcpy(buf + len, tag->tagger, tagger_len);
1826 f4a881ce 2018-11-17 stsp len += tagger_len;
1828 f4a881ce 2018-11-17 stsp if (imsg_compose(ibuf, GOT_IMSG_TAG, 0, 0, -1, buf, len) == -1) {
1829 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose TAG");
1830 f4a881ce 2018-11-17 stsp goto done;
1833 f4a881ce 2018-11-17 stsp if (tagmsg_len == 0 ||
1834 f4a881ce 2018-11-17 stsp tagmsg_len + len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
1835 f4a881ce 2018-11-17 stsp err = flush_imsg(ibuf);
1837 f4a881ce 2018-11-17 stsp goto done;
1839 f4a881ce 2018-11-17 stsp err = send_tagmsg(ibuf, tag, tagmsg_len);
1841 f4a881ce 2018-11-17 stsp free(buf);
1842 f4a881ce 2018-11-17 stsp return err;
1845 f4a881ce 2018-11-17 stsp const struct got_error *
1846 f4a881ce 2018-11-17 stsp got_privsep_recv_tag(struct got_tag_object **tag, struct imsgbuf *ibuf)
1848 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
1849 f4a881ce 2018-11-17 stsp struct imsg imsg;
1850 f4a881ce 2018-11-17 stsp struct got_imsg_tag_object *itag;
1851 f4a881ce 2018-11-17 stsp size_t len, datalen;
1852 f4a881ce 2018-11-17 stsp const size_t min_datalen =
1853 f4a881ce 2018-11-17 stsp MIN(sizeof(struct got_imsg_error),
1854 f4a881ce 2018-11-17 stsp sizeof(struct got_imsg_tag_object));
1856 f4a881ce 2018-11-17 stsp *tag = NULL;
1858 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
1860 f4a881ce 2018-11-17 stsp return err;
1862 f4a881ce 2018-11-17 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1865 f4a881ce 2018-11-17 stsp switch (imsg.hdr.type) {
1866 f4a881ce 2018-11-17 stsp case GOT_IMSG_TAG:
1867 f4a881ce 2018-11-17 stsp if (datalen < sizeof(*itag)) {
1868 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1871 f4a881ce 2018-11-17 stsp itag = imsg.data;
1872 f4a881ce 2018-11-17 stsp if (datalen != sizeof(*itag) + itag->tag_len +
1873 f4a881ce 2018-11-17 stsp itag->tagger_len) {
1874 f4a881ce 2018-11-17 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
1877 f4a881ce 2018-11-17 stsp len += sizeof(*itag);
1879 f4a881ce 2018-11-17 stsp *tag = calloc(1, sizeof(**tag));
1880 f4a881ce 2018-11-17 stsp if (*tag == NULL) {
1881 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
1885 f4a881ce 2018-11-17 stsp memcpy((*tag)->id.sha1, itag->id, SHA1_DIGEST_LENGTH);
1887 f4a881ce 2018-11-17 stsp if (itag->tag_len == 0) {
1888 f4a881ce 2018-11-17 stsp (*tag)->tag = strdup("");
1889 f4a881ce 2018-11-17 stsp if ((*tag)->tag == NULL) {
1890 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1894 f4a881ce 2018-11-17 stsp (*tag)->tag = malloc(itag->tag_len + 1);
1895 f4a881ce 2018-11-17 stsp if ((*tag)->tag == NULL) {
1896 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1899 f4a881ce 2018-11-17 stsp memcpy((*tag)->tag, imsg.data + len,
1900 f4a881ce 2018-11-17 stsp itag->tag_len);
1901 f4a881ce 2018-11-17 stsp (*tag)->tag[itag->tag_len] = '\0';
1903 f4a881ce 2018-11-17 stsp len += itag->tag_len;
1905 f4a881ce 2018-11-17 stsp (*tag)->obj_type = itag->obj_type;
1906 f4a881ce 2018-11-17 stsp (*tag)->tagger_time = itag->tagger_time;
1907 f4a881ce 2018-11-17 stsp (*tag)->tagger_gmtoff = itag->tagger_gmtoff;
1909 f4a881ce 2018-11-17 stsp if (itag->tagger_len == 0) {
1910 f4a881ce 2018-11-17 stsp (*tag)->tagger = strdup("");
1911 f4a881ce 2018-11-17 stsp if ((*tag)->tagger == NULL) {
1912 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1916 f4a881ce 2018-11-17 stsp (*tag)->tagger = malloc(itag->tagger_len + 1);
1917 f4a881ce 2018-11-17 stsp if ((*tag)->tagger == NULL) {
1918 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1921 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagger, imsg.data + len,
1922 f4a881ce 2018-11-17 stsp itag->tagger_len);
1923 f4a881ce 2018-11-17 stsp (*tag)->tagger[itag->tagger_len] = '\0';
1925 f4a881ce 2018-11-17 stsp len += itag->tagger_len;
1927 f4a881ce 2018-11-17 stsp if (itag->tagmsg_len == 0) {
1928 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = strdup("");
1929 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1930 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1934 f4a881ce 2018-11-17 stsp size_t offset = 0, remain = itag->tagmsg_len;
1936 f4a881ce 2018-11-17 stsp (*tag)->tagmsg = malloc(itag->tagmsg_len + 1);
1937 f4a881ce 2018-11-17 stsp if ((*tag)->tagmsg == NULL) {
1938 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
1941 f4a881ce 2018-11-17 stsp while (remain > 0) {
1942 f4a881ce 2018-11-17 stsp struct imsg imsg_log;
1943 f4a881ce 2018-11-17 stsp size_t n = MIN(MAX_IMSGSIZE - IMSG_HEADER_SIZE,
1946 f4a881ce 2018-11-17 stsp err = got_privsep_recv_imsg(&imsg_log, ibuf, n);
1948 f4a881ce 2018-11-17 stsp return err;
1950 f4a881ce 2018-11-17 stsp if (imsg_log.hdr.type != GOT_IMSG_TAG_TAGMSG)
1951 f4a881ce 2018-11-17 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
1953 f4a881ce 2018-11-17 stsp memcpy((*tag)->tagmsg + offset, imsg_log.data,
1955 f4a881ce 2018-11-17 stsp imsg_free(&imsg_log);
1956 f4a881ce 2018-11-17 stsp offset += n;
1957 f4a881ce 2018-11-17 stsp remain -= n;
1959 f4a881ce 2018-11-17 stsp (*tag)->tagmsg[itag->tagmsg_len] = '\0';
1964 ff6b18f8 2018-04-24 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
1968 ff6b18f8 2018-04-24 stsp imsg_free(&imsg);
1970 2178c42e 2018-04-22 stsp return err;
1973 876c234b 2018-09-10 stsp const struct got_error *
1974 876c234b 2018-09-10 stsp got_privsep_init_pack_child(struct imsgbuf *ibuf, struct got_pack *pack,
1975 876c234b 2018-09-10 stsp struct got_packidx *packidx)
1977 41496140 2019-02-21 stsp const struct got_error *err = NULL;
1978 876c234b 2018-09-10 stsp struct got_imsg_packidx ipackidx;
1979 876c234b 2018-09-10 stsp struct got_imsg_pack ipack;
1982 876c234b 2018-09-10 stsp ipackidx.len = packidx->len;
1983 c3564dfa 2021-07-15 stsp ipackidx.packfile_size = pack->filesize;
1984 876c234b 2018-09-10 stsp fd = dup(packidx->fd);
1985 876c234b 2018-09-10 stsp if (fd == -1)
1986 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
1988 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKIDX, 0, 0, fd, &ipackidx,
1989 41496140 2019-02-21 stsp sizeof(ipackidx)) == -1) {
1990 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACKIDX");
1991 41496140 2019-02-21 stsp close(fd);
1992 41496140 2019-02-21 stsp return err;
1995 876c234b 2018-09-10 stsp if (strlcpy(ipack.path_packfile, pack->path_packfile,
1996 876c234b 2018-09-10 stsp sizeof(ipack.path_packfile)) >= sizeof(ipack.path_packfile))
1997 876c234b 2018-09-10 stsp return got_error(GOT_ERR_NO_SPACE);
1998 876c234b 2018-09-10 stsp ipack.filesize = pack->filesize;
2000 876c234b 2018-09-10 stsp fd = dup(pack->fd);
2001 876c234b 2018-09-10 stsp if (fd == -1)
2002 638f9024 2019-05-13 stsp return got_error_from_errno("dup");
2004 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACK, 0, 0, fd, &ipack, sizeof(ipack))
2006 638f9024 2019-05-13 stsp err = got_error_from_errno("imsg_compose PACK");
2007 41496140 2019-02-21 stsp close(fd);
2008 41496140 2019-02-21 stsp return err;
2011 876c234b 2018-09-10 stsp return flush_imsg(ibuf);
2014 876c234b 2018-09-10 stsp const struct got_error *
2015 106807b4 2018-09-15 stsp got_privsep_send_packed_obj_req(struct imsgbuf *ibuf, int idx,
2016 106807b4 2018-09-15 stsp struct got_object_id *id)
2018 876c234b 2018-09-10 stsp struct got_imsg_packed_object iobj;
2020 876c234b 2018-09-10 stsp iobj.idx = idx;
2021 106807b4 2018-09-15 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
2023 876c234b 2018-09-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_OBJECT_REQUEST, 0, 0, -1,
2024 876c234b 2018-09-10 stsp &iobj, sizeof(iobj)) == -1)
2025 638f9024 2019-05-13 stsp return got_error_from_errno("imsg_compose "
2026 230a42bd 2019-05-11 jcs "PACKED_OBJECT_REQUEST");
2028 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2031 aba9c984 2019-09-08 stsp const struct got_error *
2032 59d1e4a0 2021-03-10 stsp got_privsep_send_packed_raw_obj_req(struct imsgbuf *ibuf, int idx,
2033 59d1e4a0 2021-03-10 stsp struct got_object_id *id)
2035 59d1e4a0 2021-03-10 stsp struct got_imsg_packed_object iobj;
2037 59d1e4a0 2021-03-10 stsp iobj.idx = idx;
2038 59d1e4a0 2021-03-10 stsp memcpy(iobj.id, id->sha1, sizeof(iobj.id));
2040 59d1e4a0 2021-03-10 stsp if (imsg_compose(ibuf, GOT_IMSG_PACKED_RAW_OBJECT_REQUEST, 0, 0, -1,
2041 59d1e4a0 2021-03-10 stsp &iobj, sizeof(iobj)) == -1)
2042 59d1e4a0 2021-03-10 stsp return got_error_from_errno("imsg_compose "
2043 59d1e4a0 2021-03-10 stsp "PACKED_OBJECT_REQUEST");
2045 59d1e4a0 2021-03-10 stsp return flush_imsg(ibuf);
2048 59d1e4a0 2021-03-10 stsp const struct got_error *
2049 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_parse_req(struct imsgbuf *ibuf, int fd)
2051 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2053 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_PARSE_REQUEST, 0, 0, fd,
2054 aba9c984 2019-09-08 stsp NULL, 0) == -1) {
2055 aba9c984 2019-09-08 stsp err = got_error_from_errno("imsg_compose "
2056 aba9c984 2019-09-08 stsp "GITCONFIG_PARSE_REQUEST");
2057 aba9c984 2019-09-08 stsp close(fd);
2058 aba9c984 2019-09-08 stsp return err;
2061 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2064 aba9c984 2019-09-08 stsp const struct got_error *
2065 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_repository_format_version_req(struct imsgbuf *ibuf)
2067 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2068 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST, 0, 0, -1,
2069 aba9c984 2019-09-08 stsp NULL, 0) == -1)
2070 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2071 aba9c984 2019-09-08 stsp "GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST");
2073 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2076 aba9c984 2019-09-08 stsp const struct got_error *
2077 20b7abb3 2020-10-22 stsp got_privsep_send_gitconfig_repository_extensions_req(struct imsgbuf *ibuf)
2079 20b7abb3 2020-10-22 stsp if (imsg_compose(ibuf,
2080 20b7abb3 2020-10-22 stsp GOT_IMSG_GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST, 0, 0, -1,
2081 20b7abb3 2020-10-22 stsp NULL, 0) == -1)
2082 20b7abb3 2020-10-22 stsp return got_error_from_errno("imsg_compose "
2083 20b7abb3 2020-10-22 stsp "GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST");
2085 20b7abb3 2020-10-22 stsp return flush_imsg(ibuf);
2089 20b7abb3 2020-10-22 stsp const struct got_error *
2090 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_name_req(struct imsgbuf *ibuf)
2092 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2093 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_NAME_REQUEST, 0, 0, -1, NULL, 0) == -1)
2094 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2095 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_NAME_REQUEST");
2097 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2100 aba9c984 2019-09-08 stsp const struct got_error *
2101 aba9c984 2019-09-08 stsp got_privsep_send_gitconfig_author_email_req(struct imsgbuf *ibuf)
2103 aba9c984 2019-09-08 stsp if (imsg_compose(ibuf,
2104 aba9c984 2019-09-08 stsp GOT_IMSG_GITCONFIG_AUTHOR_EMAIL_REQUEST, 0, 0, -1, NULL, 0) == -1)
2105 aba9c984 2019-09-08 stsp return got_error_from_errno("imsg_compose "
2106 aba9c984 2019-09-08 stsp "GITCONFIG_AUTHOR_EMAIL_REQUEST");
2108 cd95becd 2019-11-29 stsp return flush_imsg(ibuf);
2111 cd95becd 2019-11-29 stsp const struct got_error *
2112 cd95becd 2019-11-29 stsp got_privsep_send_gitconfig_remotes_req(struct imsgbuf *ibuf)
2114 cd95becd 2019-11-29 stsp if (imsg_compose(ibuf,
2115 cd95becd 2019-11-29 stsp GOT_IMSG_GITCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2116 cd95becd 2019-11-29 stsp return got_error_from_errno("imsg_compose "
2117 cd95becd 2019-11-29 stsp "GITCONFIG_REMOTE_REQUEST");
2119 aba9c984 2019-09-08 stsp return flush_imsg(ibuf);
2122 aba9c984 2019-09-08 stsp const struct got_error *
2123 9a1cc63f 2020-02-03 stsp got_privsep_send_gitconfig_owner_req(struct imsgbuf *ibuf)
2125 9a1cc63f 2020-02-03 stsp if (imsg_compose(ibuf,
2126 9a1cc63f 2020-02-03 stsp GOT_IMSG_GITCONFIG_OWNER_REQUEST, 0, 0, -1, NULL, 0) == -1)
2127 9a1cc63f 2020-02-03 stsp return got_error_from_errno("imsg_compose "
2128 9a1cc63f 2020-02-03 stsp "GITCONFIG_OWNER_REQUEST");
2130 9a1cc63f 2020-02-03 stsp return flush_imsg(ibuf);
2133 9a1cc63f 2020-02-03 stsp const struct got_error *
2134 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_str(char **str, struct imsgbuf *ibuf)
2136 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2137 aba9c984 2019-09-08 stsp struct imsg imsg;
2138 aba9c984 2019-09-08 stsp size_t datalen;
2139 aba9c984 2019-09-08 stsp const size_t min_datalen = 0;
2141 aba9c984 2019-09-08 stsp *str = NULL;
2143 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2145 aba9c984 2019-09-08 stsp return err;
2146 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2148 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2149 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_STR_VAL:
2150 aba9c984 2019-09-08 stsp if (datalen == 0)
2152 6c13dcd2 2020-09-18 stsp /* datalen does not include terminating \0 */
2153 6c13dcd2 2020-09-18 stsp *str = malloc(datalen + 1);
2154 aba9c984 2019-09-08 stsp if (*str == NULL) {
2155 aba9c984 2019-09-08 stsp err = got_error_from_errno("malloc");
2158 6c13dcd2 2020-09-18 stsp memcpy(*str, imsg.data, datalen);
2159 6c13dcd2 2020-09-18 stsp (*str)[datalen] = '\0';
2162 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2166 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2167 aba9c984 2019-09-08 stsp return err;
2170 aba9c984 2019-09-08 stsp const struct got_error *
2171 aba9c984 2019-09-08 stsp got_privsep_recv_gitconfig_int(int *val, struct imsgbuf *ibuf)
2173 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
2174 aba9c984 2019-09-08 stsp struct imsg imsg;
2175 aba9c984 2019-09-08 stsp size_t datalen;
2176 aba9c984 2019-09-08 stsp const size_t min_datalen =
2177 aba9c984 2019-09-08 stsp MIN(sizeof(struct got_imsg_error), sizeof(int));
2181 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2183 aba9c984 2019-09-08 stsp return err;
2184 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2186 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
2187 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_INT_VAL:
2188 aba9c984 2019-09-08 stsp if (datalen != sizeof(*val)) {
2189 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2192 aba9c984 2019-09-08 stsp memcpy(val, imsg.data, sizeof(*val));
2195 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2199 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2200 cd95becd 2019-11-29 stsp return err;
2203 b8adfa55 2020-09-25 stsp static void
2204 b8adfa55 2020-09-25 stsp free_remote_data(struct got_remote_repo *remote)
2208 b8adfa55 2020-09-25 stsp free(remote->name);
2209 6480c871 2021-08-30 stsp free(remote->fetch_url);
2210 6480c871 2021-08-30 stsp free(remote->send_url);
2211 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_branches; i++)
2212 6480c871 2021-08-30 stsp free(remote->fetch_branches[i]);
2213 6480c871 2021-08-30 stsp free(remote->fetch_branches);
2214 6480c871 2021-08-30 stsp for (i = 0; i < remote->nsend_branches; i++)
2215 6480c871 2021-08-30 stsp free(remote->send_branches[i]);
2216 6480c871 2021-08-30 stsp free(remote->send_branches);
2217 6480c871 2021-08-30 stsp for (i = 0; i < remote->nfetch_refs; i++)
2218 6480c871 2021-08-30 stsp free(remote->fetch_refs[i]);
2219 6480c871 2021-08-30 stsp free(remote->fetch_refs);
2222 cd95becd 2019-11-29 stsp const struct got_error *
2223 cd95becd 2019-11-29 stsp got_privsep_recv_gitconfig_remotes(struct got_remote_repo **remotes,
2224 cd95becd 2019-11-29 stsp int *nremotes, struct imsgbuf *ibuf)
2226 cd95becd 2019-11-29 stsp const struct got_error *err = NULL;
2227 cd95becd 2019-11-29 stsp struct imsg imsg;
2228 cd95becd 2019-11-29 stsp size_t datalen;
2229 cd95becd 2019-11-29 stsp struct got_imsg_remotes iremotes;
2230 cd95becd 2019-11-29 stsp struct got_imsg_remote iremote;
2232 cd95becd 2019-11-29 stsp *remotes = NULL;
2233 cd95becd 2019-11-29 stsp *nremotes = 0;
2234 d669b9c9 2020-02-22 stsp iremotes.nremotes = 0;
2236 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremotes));
2238 cd95becd 2019-11-29 stsp return err;
2239 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2241 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2242 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTES:
2243 cd95becd 2019-11-29 stsp if (datalen != sizeof(iremotes)) {
2244 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2247 cd95becd 2019-11-29 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2248 cd95becd 2019-11-29 stsp if (iremotes.nremotes == 0) {
2249 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2250 cd95becd 2019-11-29 stsp return NULL;
2254 54b1c5b5 2020-02-22 stsp imsg_free(&imsg);
2255 54b1c5b5 2020-02-22 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2258 aba9c984 2019-09-08 stsp imsg_free(&imsg);
2260 5146eb39 2020-03-20 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2261 cd95becd 2019-11-29 stsp if (*remotes == NULL)
2262 cd95becd 2019-11-29 stsp return got_error_from_errno("recallocarray");
2264 cd95becd 2019-11-29 stsp while (*nremotes < iremotes.nremotes) {
2265 cd95becd 2019-11-29 stsp struct got_remote_repo *remote;
2267 cd95becd 2019-11-29 stsp err = got_privsep_recv_imsg(&imsg, ibuf, sizeof(iremote));
2270 cd95becd 2019-11-29 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2272 cd95becd 2019-11-29 stsp switch (imsg.hdr.type) {
2273 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTE:
2274 cd95becd 2019-11-29 stsp remote = &(*remotes)[*nremotes];
2275 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2276 cd95becd 2019-11-29 stsp if (datalen < sizeof(iremote)) {
2277 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2280 cd95becd 2019-11-29 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2281 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2282 6480c871 2021-08-30 stsp iremote.fetch_url_len == 0 ||
2283 6480c871 2021-08-30 stsp iremote.send_url_len == 0 ||
2284 cd95becd 2019-11-29 stsp (sizeof(iremote) + iremote.name_len +
2285 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) > datalen) {
2286 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2289 cd95becd 2019-11-29 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2290 cd95becd 2019-11-29 stsp iremote.name_len);
2291 cd95becd 2019-11-29 stsp if (remote->name == NULL) {
2292 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2295 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data + sizeof(iremote) +
2296 6480c871 2021-08-30 stsp iremote.name_len, iremote.fetch_url_len);
2297 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2298 cd95becd 2019-11-29 stsp err = got_error_from_errno("strndup");
2299 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2302 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data + sizeof(iremote) +
2303 6480c871 2021-08-30 stsp iremote.name_len + iremote.fetch_url_len,
2304 6480c871 2021-08-30 stsp iremote.send_url_len);
2305 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2306 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2307 6480c871 2021-08-30 stsp free_remote_data(remote);
2310 469dd726 2020-03-20 stsp remote->mirror_references = iremote.mirror_references;
2311 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2312 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2313 6480c871 2021-08-30 stsp remote->fetch_branches = NULL;
2314 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2315 6480c871 2021-08-30 stsp remote->send_branches = NULL;
2316 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2317 6480c871 2021-08-30 stsp remote->fetch_refs = NULL;
2318 cd95becd 2019-11-29 stsp (*nremotes)++;
2321 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2325 cd95becd 2019-11-29 stsp imsg_free(&imsg);
2330 cd95becd 2019-11-29 stsp if (err) {
2332 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2333 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2334 cd95becd 2019-11-29 stsp free(*remotes);
2335 cd95becd 2019-11-29 stsp *remotes = NULL;
2336 cd95becd 2019-11-29 stsp *nremotes = 0;
2338 aba9c984 2019-09-08 stsp return err;
2341 257add31 2020-09-09 stsp const struct got_error *
2342 257add31 2020-09-09 stsp got_privsep_send_gotconfig_parse_req(struct imsgbuf *ibuf, int fd)
2344 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2346 257add31 2020-09-09 stsp if (imsg_compose(ibuf, GOT_IMSG_GOTCONFIG_PARSE_REQUEST, 0, 0, fd,
2347 257add31 2020-09-09 stsp NULL, 0) == -1) {
2348 257add31 2020-09-09 stsp err = got_error_from_errno("imsg_compose "
2349 257add31 2020-09-09 stsp "GOTCONFIG_PARSE_REQUEST");
2350 257add31 2020-09-09 stsp close(fd);
2351 257add31 2020-09-09 stsp return err;
2354 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2357 257add31 2020-09-09 stsp const struct got_error *
2358 257add31 2020-09-09 stsp got_privsep_send_gotconfig_author_req(struct imsgbuf *ibuf)
2360 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2361 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_AUTHOR_REQUEST, 0, 0, -1, NULL, 0) == -1)
2362 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2363 257add31 2020-09-09 stsp "GOTCONFIG_AUTHOR_REQUEST");
2365 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2368 ca6e02ac 2020-01-07 stsp const struct got_error *
2369 257add31 2020-09-09 stsp got_privsep_send_gotconfig_remotes_req(struct imsgbuf *ibuf)
2371 257add31 2020-09-09 stsp if (imsg_compose(ibuf,
2372 257add31 2020-09-09 stsp GOT_IMSG_GOTCONFIG_REMOTES_REQUEST, 0, 0, -1, NULL, 0) == -1)
2373 257add31 2020-09-09 stsp return got_error_from_errno("imsg_compose "
2374 257add31 2020-09-09 stsp "GOTCONFIG_REMOTE_REQUEST");
2376 257add31 2020-09-09 stsp return flush_imsg(ibuf);
2379 257add31 2020-09-09 stsp const struct got_error *
2380 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_str(char **str, struct imsgbuf *ibuf)
2382 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2383 257add31 2020-09-09 stsp struct imsg imsg;
2384 257add31 2020-09-09 stsp size_t datalen;
2385 257add31 2020-09-09 stsp const size_t min_datalen = 0;
2387 257add31 2020-09-09 stsp *str = NULL;
2389 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2391 257add31 2020-09-09 stsp return err;
2392 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2394 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2395 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2396 257add31 2020-09-09 stsp if (datalen < sizeof(struct got_imsg_error)) {
2397 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2400 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2402 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_STR_VAL:
2403 257add31 2020-09-09 stsp if (datalen == 0)
2405 5874ea87 2020-09-18 stsp /* datalen does not include terminating \0 */
2406 5874ea87 2020-09-18 stsp *str = malloc(datalen + 1);
2407 257add31 2020-09-09 stsp if (*str == NULL) {
2408 257add31 2020-09-09 stsp err = got_error_from_errno("malloc");
2411 5874ea87 2020-09-18 stsp memcpy(*str, imsg.data, datalen);
2412 5874ea87 2020-09-18 stsp (*str)[datalen] = '\0';
2415 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2419 257add31 2020-09-09 stsp imsg_free(&imsg);
2420 257add31 2020-09-09 stsp return err;
2423 257add31 2020-09-09 stsp const struct got_error *
2424 257add31 2020-09-09 stsp got_privsep_recv_gotconfig_remotes(struct got_remote_repo **remotes,
2425 257add31 2020-09-09 stsp int *nremotes, struct imsgbuf *ibuf)
2427 257add31 2020-09-09 stsp const struct got_error *err = NULL;
2428 257add31 2020-09-09 stsp struct imsg imsg;
2429 257add31 2020-09-09 stsp size_t datalen;
2430 257add31 2020-09-09 stsp struct got_imsg_remotes iremotes;
2431 257add31 2020-09-09 stsp struct got_imsg_remote iremote;
2432 257add31 2020-09-09 stsp const size_t min_datalen =
2433 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremotes));
2435 257add31 2020-09-09 stsp *remotes = NULL;
2436 257add31 2020-09-09 stsp *nremotes = 0;
2437 257add31 2020-09-09 stsp iremotes.nremotes = 0;
2439 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2441 257add31 2020-09-09 stsp return err;
2442 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2444 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2445 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2446 257add31 2020-09-09 stsp if (datalen < sizeof(struct got_imsg_error)) {
2447 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2450 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2452 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTES:
2453 257add31 2020-09-09 stsp if (datalen != sizeof(iremotes)) {
2454 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2457 257add31 2020-09-09 stsp memcpy(&iremotes, imsg.data, sizeof(iremotes));
2458 257add31 2020-09-09 stsp if (iremotes.nremotes == 0) {
2459 257add31 2020-09-09 stsp imsg_free(&imsg);
2460 257add31 2020-09-09 stsp return NULL;
2464 257add31 2020-09-09 stsp imsg_free(&imsg);
2465 257add31 2020-09-09 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
2468 257add31 2020-09-09 stsp imsg_free(&imsg);
2470 257add31 2020-09-09 stsp *remotes = recallocarray(NULL, 0, iremotes.nremotes, sizeof(**remotes));
2471 257add31 2020-09-09 stsp if (*remotes == NULL)
2472 257add31 2020-09-09 stsp return got_error_from_errno("recallocarray");
2474 257add31 2020-09-09 stsp while (*nremotes < iremotes.nremotes) {
2475 257add31 2020-09-09 stsp struct got_remote_repo *remote;
2476 257add31 2020-09-09 stsp const size_t min_datalen =
2477 257add31 2020-09-09 stsp MIN(sizeof(struct got_imsg_error), sizeof(iremote));
2480 257add31 2020-09-09 stsp err = got_privsep_recv_imsg(&imsg, ibuf, min_datalen);
2483 257add31 2020-09-09 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2485 257add31 2020-09-09 stsp switch (imsg.hdr.type) {
2486 257add31 2020-09-09 stsp case GOT_IMSG_ERROR:
2487 257add31 2020-09-09 stsp if (datalen < sizeof(struct got_imsg_error)) {
2488 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2491 257add31 2020-09-09 stsp err = recv_imsg_error(&imsg, datalen);
2493 257add31 2020-09-09 stsp case GOT_IMSG_GOTCONFIG_REMOTE:
2494 257add31 2020-09-09 stsp remote = &(*remotes)[*nremotes];
2495 b8adfa55 2020-09-25 stsp memset(remote, 0, sizeof(*remote));
2496 257add31 2020-09-09 stsp if (datalen < sizeof(iremote)) {
2497 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2500 257add31 2020-09-09 stsp memcpy(&iremote, imsg.data, sizeof(iremote));
2501 6480c871 2021-08-30 stsp if (iremote.name_len == 0 ||
2502 6480c871 2021-08-30 stsp (iremote.fetch_url_len == 0 &&
2503 6480c871 2021-08-30 stsp iremote.send_url_len == 0) ||
2504 257add31 2020-09-09 stsp (sizeof(iremote) + iremote.name_len +
2505 6480c871 2021-08-30 stsp iremote.fetch_url_len + iremote.send_url_len) >
2506 6480c871 2021-08-30 stsp datalen) {
2507 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2510 257add31 2020-09-09 stsp remote->name = strndup(imsg.data + sizeof(iremote),
2511 257add31 2020-09-09 stsp iremote.name_len);
2512 257add31 2020-09-09 stsp if (remote->name == NULL) {
2513 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2516 6480c871 2021-08-30 stsp remote->fetch_url = strndup(imsg.data +
2517 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len,
2518 6480c871 2021-08-30 stsp iremote.fetch_url_len);
2519 6480c871 2021-08-30 stsp if (remote->fetch_url == NULL) {
2520 6480c871 2021-08-30 stsp err = got_error_from_errno("strndup");
2521 6480c871 2021-08-30 stsp free_remote_data(remote);
2524 6480c871 2021-08-30 stsp remote->send_url = strndup(imsg.data +
2525 6480c871 2021-08-30 stsp sizeof(iremote) + iremote.name_len +
2526 6480c871 2021-08-30 stsp iremote.fetch_url_len, iremote.send_url_len);
2527 6480c871 2021-08-30 stsp if (remote->send_url == NULL) {
2528 257add31 2020-09-09 stsp err = got_error_from_errno("strndup");
2529 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2532 257add31 2020-09-09 stsp remote->mirror_references = iremote.mirror_references;
2533 0c8b29c5 2021-01-05 stsp remote->fetch_all_branches = iremote.fetch_all_branches;
2534 6480c871 2021-08-30 stsp if (iremote.nfetch_branches > 0) {
2535 6480c871 2021-08-30 stsp remote->fetch_branches = recallocarray(NULL, 0,
2536 6480c871 2021-08-30 stsp iremote.nfetch_branches, sizeof(char *));
2537 6480c871 2021-08-30 stsp if (remote->fetch_branches == NULL) {
2538 b8adfa55 2020-09-25 stsp err = got_error_from_errno("calloc");
2539 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2543 6480c871 2021-08-30 stsp remote->nfetch_branches = 0;
2544 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_branches; i++) {
2545 b8adfa55 2020-09-25 stsp char *branch;
2546 b8adfa55 2020-09-25 stsp err = got_privsep_recv_gotconfig_str(&branch,
2548 b8adfa55 2020-09-25 stsp if (err) {
2549 b8adfa55 2020-09-25 stsp free_remote_data(remote);
2550 b8adfa55 2020-09-25 stsp goto done;
2552 6480c871 2021-08-30 stsp remote->fetch_branches[i] = branch;
2553 6480c871 2021-08-30 stsp remote->nfetch_branches++;
2555 6480c871 2021-08-30 stsp if (iremote.nsend_branches > 0) {
2556 6480c871 2021-08-30 stsp remote->send_branches = recallocarray(NULL, 0,
2557 6480c871 2021-08-30 stsp iremote.nsend_branches, sizeof(char *));
2558 6480c871 2021-08-30 stsp if (remote->send_branches == NULL) {
2559 99495ddb 2021-01-10 stsp err = got_error_from_errno("calloc");
2560 99495ddb 2021-01-10 stsp free_remote_data(remote);
2564 6480c871 2021-08-30 stsp remote->nsend_branches = 0;
2565 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nsend_branches; i++) {
2566 6480c871 2021-08-30 stsp char *branch;
2567 6480c871 2021-08-30 stsp err = got_privsep_recv_gotconfig_str(&branch,
2569 6480c871 2021-08-30 stsp if (err) {
2570 6480c871 2021-08-30 stsp free_remote_data(remote);
2571 6480c871 2021-08-30 stsp goto done;
2573 6480c871 2021-08-30 stsp remote->send_branches[i] = branch;
2574 6480c871 2021-08-30 stsp remote->nsend_branches++;
2576 6480c871 2021-08-30 stsp if (iremote.nfetch_refs > 0) {
2577 6480c871 2021-08-30 stsp remote->fetch_refs = recallocarray(NULL, 0,
2578 6480c871 2021-08-30 stsp iremote.nfetch_refs, sizeof(char *));
2579 6480c871 2021-08-30 stsp if (remote->fetch_refs == NULL) {
2580 6480c871 2021-08-30 stsp err = got_error_from_errno("calloc");
2581 6480c871 2021-08-30 stsp free_remote_data(remote);
2585 6480c871 2021-08-30 stsp remote->nfetch_refs = 0;
2586 6480c871 2021-08-30 stsp for (i = 0; i < iremote.nfetch_refs; i++) {
2587 99495ddb 2021-01-10 stsp char *ref;
2588 99495ddb 2021-01-10 stsp err = got_privsep_recv_gotconfig_str(&ref,
2590 99495ddb 2021-01-10 stsp if (err) {
2591 99495ddb 2021-01-10 stsp free_remote_data(remote);
2592 99495ddb 2021-01-10 stsp goto done;
2594 6480c871 2021-08-30 stsp remote->fetch_refs[i] = ref;
2595 6480c871 2021-08-30 stsp remote->nfetch_refs++;
2597 257add31 2020-09-09 stsp (*nremotes)++;
2600 257add31 2020-09-09 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2604 257add31 2020-09-09 stsp imsg_free(&imsg);
2609 257add31 2020-09-09 stsp if (err) {
2611 b8adfa55 2020-09-25 stsp for (i = 0; i < *nremotes; i++)
2612 b8adfa55 2020-09-25 stsp free_remote_data(&(*remotes)[i]);
2613 257add31 2020-09-09 stsp free(*remotes);
2614 257add31 2020-09-09 stsp *remotes = NULL;
2615 257add31 2020-09-09 stsp *nremotes = 0;
2617 257add31 2020-09-09 stsp return err;
2620 257add31 2020-09-09 stsp const struct got_error *
2621 ca6e02ac 2020-01-07 stsp got_privsep_send_commit_traversal_request(struct imsgbuf *ibuf,
2622 abc59930 2021-09-05 naddy struct got_object_id *id, int idx, const char *path)
2624 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
2625 ca6e02ac 2020-01-07 stsp struct ibuf *wbuf;
2626 ca6e02ac 2020-01-07 stsp size_t path_len = strlen(path) + 1;
2628 ca6e02ac 2020-01-07 stsp wbuf = imsg_create(ibuf, GOT_IMSG_COMMIT_TRAVERSAL_REQUEST, 0, 0,
2629 ca6e02ac 2020-01-07 stsp sizeof(struct got_imsg_commit_traversal_request) + path_len);
2630 ca6e02ac 2020-01-07 stsp if (wbuf == NULL)
2631 ca6e02ac 2020-01-07 stsp return got_error_from_errno(
2632 ca6e02ac 2020-01-07 stsp "imsg_create COMMIT_TRAVERSAL_REQUEST");
2633 ca6e02ac 2020-01-07 stsp if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1) {
2634 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("imsg_add COMMIT_TRAVERSAL_REQUEST");
2635 ca6e02ac 2020-01-07 stsp ibuf_free(wbuf);
2636 ca6e02ac 2020-01-07 stsp return err;
2638 ca6e02ac 2020-01-07 stsp if (imsg_add(wbuf, &idx, sizeof(idx)) == -1) {
2639 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("imsg_add COMMIT_TRAVERSAL_REQUEST");
2640 ca6e02ac 2020-01-07 stsp ibuf_free(wbuf);
2641 ca6e02ac 2020-01-07 stsp return err;
2643 ca6e02ac 2020-01-07 stsp if (imsg_add(wbuf, path, path_len) == -1) {
2644 ca6e02ac 2020-01-07 stsp err = got_error_from_errno("imsg_add COMMIT_TRAVERSAL_REQUEST");
2645 ca6e02ac 2020-01-07 stsp ibuf_free(wbuf);
2646 ca6e02ac 2020-01-07 stsp return err;
2649 ca6e02ac 2020-01-07 stsp wbuf->fd = -1;
2650 ca6e02ac 2020-01-07 stsp imsg_close(ibuf, wbuf);
2652 ca6e02ac 2020-01-07 stsp return flush_imsg(ibuf);
2655 ca6e02ac 2020-01-07 stsp const struct got_error *
2656 ca6e02ac 2020-01-07 stsp got_privsep_recv_traversed_commits(struct got_commit_object **changed_commit,
2657 ca6e02ac 2020-01-07 stsp struct got_object_id **changed_commit_id,
2658 ca6e02ac 2020-01-07 stsp struct got_object_id_queue *commit_ids, struct imsgbuf *ibuf)
2660 ca6e02ac 2020-01-07 stsp const struct got_error *err = NULL;
2661 ca6e02ac 2020-01-07 stsp struct imsg imsg;
2662 ca6e02ac 2020-01-07 stsp struct got_imsg_traversed_commits *icommits;
2663 ca6e02ac 2020-01-07 stsp size_t datalen;
2664 ca6e02ac 2020-01-07 stsp int i, done = 0;
2666 ca6e02ac 2020-01-07 stsp *changed_commit = NULL;
2667 ca6e02ac 2020-01-07 stsp *changed_commit_id = NULL;
2669 ca6e02ac 2020-01-07 stsp while (!done) {
2670 ca6e02ac 2020-01-07 stsp err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2672 ca6e02ac 2020-01-07 stsp return err;
2674 ca6e02ac 2020-01-07 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2675 ca6e02ac 2020-01-07 stsp switch (imsg.hdr.type) {
2676 ca6e02ac 2020-01-07 stsp case GOT_IMSG_TRAVERSED_COMMITS:
2677 ca6e02ac 2020-01-07 stsp icommits = imsg.data;
2678 ca6e02ac 2020-01-07 stsp if (datalen != sizeof(*icommits) +
2679 ca6e02ac 2020-01-07 stsp icommits->ncommits * SHA1_DIGEST_LENGTH) {
2680 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
2683 ca6e02ac 2020-01-07 stsp for (i = 0; i < icommits->ncommits; i++) {
2684 ca6e02ac 2020-01-07 stsp struct got_object_qid *qid;
2685 ca6e02ac 2020-01-07 stsp uint8_t *sha1 = (uint8_t *)imsg.data +
2686 ca6e02ac 2020-01-07 stsp sizeof(*icommits) + i * SHA1_DIGEST_LENGTH;
2687 ca6e02ac 2020-01-07 stsp err = got_object_qid_alloc_partial(&qid);
2690 ec242592 2022-04-22 thomas memcpy(qid->id.sha1, sha1, SHA1_DIGEST_LENGTH);
2691 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(commit_ids, qid, entry);
2693 ca6e02ac 2020-01-07 stsp /* The last commit may contain a change. */
2694 ca6e02ac 2020-01-07 stsp if (i == icommits->ncommits - 1) {
2695 ca6e02ac 2020-01-07 stsp *changed_commit_id =
2696 ec242592 2022-04-22 thomas got_object_id_dup(&qid->id);
2697 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2698 ca6e02ac 2020-01-07 stsp err = got_error_from_errno(
2699 ca6e02ac 2020-01-07 stsp "got_object_id_dup");
2705 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT:
2706 ca6e02ac 2020-01-07 stsp if (*changed_commit_id == NULL) {
2707 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2710 ca6e02ac 2020-01-07 stsp err = get_commit_from_imsg(changed_commit, &imsg,
2711 ca6e02ac 2020-01-07 stsp datalen, ibuf);
2713 ca6e02ac 2020-01-07 stsp case GOT_IMSG_COMMIT_TRAVERSAL_DONE:
2717 ca6e02ac 2020-01-07 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
2721 ca6e02ac 2020-01-07 stsp imsg_free(&imsg);
2727 ca6e02ac 2020-01-07 stsp got_object_id_queue_free(commit_ids);
2728 ca6e02ac 2020-01-07 stsp return err;
2731 f9c2e8e5 2022-02-13 thomas const struct got_error *
2732 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta_req(struct imsgbuf *ibuf, int idx,
2733 f9c2e8e5 2022-02-13 thomas struct got_object_id *id)
2735 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta_request dreq;
2737 f9c2e8e5 2022-02-13 thomas dreq.idx = idx;
2738 f9c2e8e5 2022-02-13 thomas memcpy(dreq.id, id->sha1, SHA1_DIGEST_LENGTH);
2740 f9c2e8e5 2022-02-13 thomas if (imsg_compose(ibuf, GOT_IMSG_RAW_DELTA_REQUEST, 0, 0, -1,
2741 f9c2e8e5 2022-02-13 thomas &dreq, sizeof(dreq)) == -1)
2742 f9c2e8e5 2022-02-13 thomas return got_error_from_errno("imsg_compose RAW_DELTA_REQUEST");
2744 f9c2e8e5 2022-02-13 thomas return flush_imsg(ibuf);
2747 f9c2e8e5 2022-02-13 thomas const struct got_error *
2748 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta_outfd(struct imsgbuf *ibuf, int fd)
2750 f9c2e8e5 2022-02-13 thomas return send_fd(ibuf, GOT_IMSG_RAW_DELTA_OUTFD, fd);
2753 f9c2e8e5 2022-02-13 thomas const struct got_error *
2754 f9c2e8e5 2022-02-13 thomas got_privsep_send_raw_delta(struct imsgbuf *ibuf, uint64_t base_size,
2755 f9c2e8e5 2022-02-13 thomas uint64_t result_size, off_t delta_size, off_t delta_offset,
2756 f9c2e8e5 2022-02-13 thomas off_t delta_out_offset, struct got_object_id *base_id)
2758 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta idelta;
2759 f9c2e8e5 2022-02-13 thomas int ret;
2761 f9c2e8e5 2022-02-13 thomas idelta.base_size = base_size;
2762 f9c2e8e5 2022-02-13 thomas idelta.result_size = result_size;
2763 f9c2e8e5 2022-02-13 thomas idelta.delta_size = delta_size;
2764 f9c2e8e5 2022-02-13 thomas idelta.delta_offset = delta_offset;
2765 f9c2e8e5 2022-02-13 thomas idelta.delta_out_offset = delta_out_offset;
2766 f9c2e8e5 2022-02-13 thomas memcpy(idelta.base_id, base_id->sha1, SHA1_DIGEST_LENGTH);
2768 f9c2e8e5 2022-02-13 thomas ret = imsg_compose(ibuf, GOT_IMSG_RAW_DELTA, 0, 0, -1,
2769 f9c2e8e5 2022-02-13 thomas &idelta, sizeof(idelta));
2770 f9c2e8e5 2022-02-13 thomas if (ret == -1)
2771 f9c2e8e5 2022-02-13 thomas return got_error_from_errno("imsg_compose RAW_DELTA");
2773 f9c2e8e5 2022-02-13 thomas return flush_imsg(ibuf);
2776 ca6e02ac 2020-01-07 stsp const struct got_error *
2777 f9c2e8e5 2022-02-13 thomas got_privsep_recv_raw_delta(uint64_t *base_size, uint64_t *result_size,
2778 f9c2e8e5 2022-02-13 thomas off_t *delta_size, off_t *delta_offset, off_t *delta_out_offset,
2779 f9c2e8e5 2022-02-13 thomas struct got_object_id **base_id, struct imsgbuf *ibuf)
2781 f9c2e8e5 2022-02-13 thomas const struct got_error *err = NULL;
2782 f9c2e8e5 2022-02-13 thomas struct imsg imsg;
2783 f9c2e8e5 2022-02-13 thomas struct got_imsg_raw_delta *delta;
2784 f9c2e8e5 2022-02-13 thomas size_t datalen;
2786 f9c2e8e5 2022-02-13 thomas *base_size = 0;
2787 f9c2e8e5 2022-02-13 thomas *result_size = 0;
2788 f9c2e8e5 2022-02-13 thomas *delta_size = 0;
2789 f9c2e8e5 2022-02-13 thomas *delta_offset = 0;
2790 f9c2e8e5 2022-02-13 thomas *delta_out_offset = 0;
2791 f9c2e8e5 2022-02-13 thomas *base_id = NULL;
2793 f9c2e8e5 2022-02-13 thomas err = got_privsep_recv_imsg(&imsg, ibuf, 0);
2794 f9c2e8e5 2022-02-13 thomas if (err)
2795 f9c2e8e5 2022-02-13 thomas return err;
2797 f9c2e8e5 2022-02-13 thomas datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
2799 f9c2e8e5 2022-02-13 thomas switch (imsg.hdr.type) {
2800 f9c2e8e5 2022-02-13 thomas case GOT_IMSG_RAW_DELTA:
2801 f9c2e8e5 2022-02-13 thomas if (datalen != sizeof(*delta)) {
2802 f9c2e8e5 2022-02-13 thomas err = got_error(GOT_ERR_PRIVSEP_LEN);
2805 f9c2e8e5 2022-02-13 thomas delta = imsg.data;
2806 f9c2e8e5 2022-02-13 thomas *base_size = delta->base_size;
2807 f9c2e8e5 2022-02-13 thomas *result_size = delta->result_size;
2808 f9c2e8e5 2022-02-13 thomas *delta_size = delta->delta_size;
2809 f9c2e8e5 2022-02-13 thomas *delta_offset = delta->delta_offset;
2810 f9c2e8e5 2022-02-13 thomas *delta_out_offset = delta->delta_out_offset;
2811 f9c2e8e5 2022-02-13 thomas *base_id = calloc(1, sizeof(**base_id));
2812 f9c2e8e5 2022-02-13 thomas if (*base_id == NULL) {
2813 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("malloc");
2816 f9c2e8e5 2022-02-13 thomas memcpy((*base_id)->sha1, delta->base_id, SHA1_DIGEST_LENGTH);
2818 f9c2e8e5 2022-02-13 thomas default:
2819 f9c2e8e5 2022-02-13 thomas err = got_error(GOT_ERR_PRIVSEP_MSG);
2823 f9c2e8e5 2022-02-13 thomas imsg_free(&imsg);
2825 f9c2e8e5 2022-02-13 thomas if (err) {
2826 f9c2e8e5 2022-02-13 thomas free(*base_id);
2827 f9c2e8e5 2022-02-13 thomas *base_id = NULL;
2829 f9c2e8e5 2022-02-13 thomas return err;
2832 f9c2e8e5 2022-02-13 thomas const struct got_error *
2833 63219cd2 2019-01-04 stsp got_privsep_unveil_exec_helpers(void)
2835 c39c25dd 2019-08-09 stsp const char *helpers[] = {
2836 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_PACK,
2837 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_OBJECT,
2838 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_COMMIT,
2839 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TREE,
2840 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_BLOB,
2841 c39c25dd 2019-08-09 stsp GOT_PATH_PROG_READ_TAG,
2842 aba9c984 2019-09-08 stsp GOT_PATH_PROG_READ_GITCONFIG,
2843 257add31 2020-09-09 stsp GOT_PATH_PROG_READ_GOTCONFIG,
2844 069bbb86 2022-03-07 thomas GOT_PATH_PROG_READ_PATCH,
2845 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_FETCH_PACK,
2846 ee448f5f 2020-03-18 stsp GOT_PATH_PROG_INDEX_PACK,
2847 f8a36e22 2021-08-26 stsp GOT_PATH_PROG_SEND_PACK,
2851 c39c25dd 2019-08-09 stsp for (i = 0; i < nitems(helpers); i++) {
2852 c39c25dd 2019-08-09 stsp if (unveil(helpers[i], "x") == 0)
2854 c39c25dd 2019-08-09 stsp return got_error_from_errno2("unveil", helpers[i]);
2857 63219cd2 2019-01-04 stsp return NULL;
2861 aba9c984 2019-09-08 stsp got_privsep_exec_child(int imsg_fds[2], const char *path, const char *repo_path)
2863 08578a35 2021-01-22 stsp if (close(imsg_fds[0]) == -1) {
2864 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
2868 aba9c984 2019-09-08 stsp if (dup2(imsg_fds[1], GOT_IMSG_FD_CHILD) == -1) {
2869 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), strerror(errno));
2873 ce95518e 2021-12-10 thomas closefrom(GOT_IMSG_FD_CHILD + 1);
2875 aba9c984 2019-09-08 stsp if (execl(path, path, repo_path, (char *)NULL) == -1) {
2876 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s: %s\n", getprogname(), path,
2877 aba9c984 2019-09-08 stsp strerror(errno));
