2 * Copyright (c) 2019 Ori Bernstein <ori@openbsd.org>
3 * Copyright (c) 2020 Stefan Sperling <stsp@openbsd.org>
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 #include <sys/types.h>
19 #include <sys/queue.h>
34 #include "got_error.h"
35 #include "got_object.h"
37 #include "got_lib_delta.h"
38 #include "got_lib_delta_cache.h"
39 #include "got_lib_hash.h"
40 #include "got_lib_object.h"
41 #include "got_lib_privsep.h"
42 #include "got_lib_ratelimit.h"
43 #include "got_lib_pack.h"
44 #include "got_lib_pack_index.h"
47 #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
50 static const struct got_error *
51 send_index_pack_progress(void *arg, uint32_t nobj_total, uint32_t nobj_indexed,
52 uint32_t nobj_loose, uint32_t nobj_resolved)
54 struct imsgbuf *ibuf = arg;
55 struct got_imsg_index_pack_progress iprogress;
57 iprogress.nobj_total = nobj_total;
58 iprogress.nobj_indexed = nobj_indexed;
59 iprogress.nobj_loose = nobj_loose;
60 iprogress.nobj_resolved = nobj_resolved;
62 if (imsg_compose(ibuf, GOT_IMSG_IDXPACK_PROGRESS, 0, 0, -1,
63 &iprogress, sizeof(iprogress)) == -1)
64 return got_error_from_errno("imsg_compose IDXPACK_PROGRESS");
66 return got_privsep_flush_imsg(ibuf);
69 static const struct got_error *
70 send_index_pack_done(struct imsgbuf *ibuf)
72 if (imsg_compose(ibuf, GOT_IMSG_IDXPACK_DONE, 0, 0, -1, NULL, 0) == -1)
73 return got_error_from_errno("imsg_compose FETCH");
74 return got_privsep_flush_imsg(ibuf);
79 main(int argc, char **argv)
81 const struct got_error *err = NULL, *close_err;
85 int idxfd = -1, tmpfd = -1;
88 uint8_t pack_hash[SHA1_DIGEST_LENGTH];
90 struct got_ratelimit rl;
97 got_ratelimit_init(&rl, 0, 500);
99 for (i = 0; i < nitems(tmpfiles); i++)
102 memset(&pack, 0, sizeof(pack));
104 err = got_delta_cache_alloc(&pack.delta_cache);
108 imsg_init(&ibuf, GOT_IMSG_FD_CHILD);
110 /* revoke access to most system calls */
111 if (pledge("stdio recvfd", NULL) == -1) {
112 err = got_error_from_errno("pledge");
113 got_privsep_send_error(&ibuf, err);
117 err = got_privsep_recv_imsg(&imsg, &ibuf, 0);
120 if (imsg.hdr.type == GOT_IMSG_STOP)
122 if (imsg.hdr.type != GOT_IMSG_IDXPACK_REQUEST) {
123 err = got_error(GOT_ERR_PRIVSEP_MSG);
126 if (imsg.hdr.len - IMSG_HEADER_SIZE != sizeof(pack_hash)) {
127 err = got_error(GOT_ERR_PRIVSEP_LEN);
130 memcpy(pack_hash, imsg.data, sizeof(pack_hash));
133 err = got_privsep_recv_imsg(&imsg, &ibuf, 0);
136 if (imsg.hdr.type == GOT_IMSG_STOP)
138 if (imsg.hdr.type != GOT_IMSG_IDXPACK_OUTFD) {
139 err = got_error(GOT_ERR_PRIVSEP_MSG);
142 if (imsg.hdr.len - IMSG_HEADER_SIZE != 0) {
143 err = got_error(GOT_ERR_PRIVSEP_LEN);
148 for (i = 0; i < nitems(tmpfiles); i++) {
149 err = got_privsep_recv_imsg(&imsg, &ibuf, 0);
152 if (imsg.hdr.type == GOT_IMSG_STOP)
154 if (imsg.hdr.type != GOT_IMSG_TMPFD) {
155 err = got_error(GOT_ERR_PRIVSEP_MSG);
158 if (imsg.hdr.len - IMSG_HEADER_SIZE != 0) {
159 err = got_error(GOT_ERR_PRIVSEP_LEN);
163 tmpfiles[i] = fdopen(tmpfd, "w+");
164 if (tmpfiles[i] == NULL) {
165 err = got_error_from_errno("fdopen");
171 if (lseek(pack.fd, 0, SEEK_END) == -1) {
172 err = got_error_from_errno("lseek");
175 packfile_size = lseek(pack.fd, 0, SEEK_CUR);
176 if (packfile_size == -1) {
177 err = got_error_from_errno("lseek");
180 pack.filesize = packfile_size;
182 if (lseek(pack.fd, 0, SEEK_SET) == -1) {
183 err = got_error_from_errno("lseek");
187 #ifndef GOT_PACK_NO_MMAP
188 if (pack.filesize > 0 && pack.filesize <= SIZE_MAX) {
189 pack.map = mmap(NULL, pack.filesize, PROT_READ, MAP_PRIVATE,
191 if (pack.map == MAP_FAILED)
192 pack.map = NULL; /* fall back to read(2) */
195 err = got_pack_index(&pack, idxfd, tmpfiles[0], tmpfiles[1],
196 tmpfiles[2], pack_hash, send_index_pack_progress, &ibuf, &rl);
198 close_err = got_pack_close(&pack);
199 if (close_err && err == NULL)
201 if (idxfd != -1 && close(idxfd) == -1 && err == NULL)
202 err = got_error_from_errno("close");
203 if (tmpfd != -1 && close(tmpfd) == -1 && err == NULL)
204 err = got_error_from_errno("close");
205 for (i = 0; i < nitems(tmpfiles); i++) {
206 if (tmpfiles[i] != NULL && fclose(tmpfiles[i]) == EOF &&
208 err = got_error_from_errno("fclose");
212 err = send_index_pack_done(&ibuf);
214 got_privsep_send_error(&ibuf, err);
215 fprintf(stderr, "%s: %s\n", getprogname(), err->msg);
216 got_privsep_send_error(&ibuf, err);