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Doug Zongker9270a202012-01-09 15:16:13 -08001/*
2 * Copyright (C) 2007 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
Doug Zongker9270a202012-01-09 15:16:13 -080017#include <errno.h>
Dan Albert8f6eb5c2015-02-24 22:07:18 -080018#include <inttypes.h>
19#include <stdio.h>
20#include <stdlib.h>
21#include <string.h>
22#include <unistd.h>
Doug Zongker9270a202012-01-09 15:16:13 -080023
Tianjie Xu6af51a02017-04-19 14:00:52 -070024#include <string>
Josh Gao2aa0d3a2017-04-13 12:45:55 -070025#include <thread>
26
Doug Zongker9270a202012-01-09 15:16:13 -080027#include "adb.h"
Dan Albert8f6eb5c2015-02-24 22:07:18 -080028#include "fdevent.h"
29#include "fuse_adb_provider.h"
Elliott Hughes24eb8a02016-06-15 15:12:17 -070030#include "sysdeps.h"
Doug Zongker9270a202012-01-09 15:16:13 -080031
Tianjie Xu6af51a02017-04-19 14:00:52 -070032static void sideload_host_service(int sfd, const std::string& args) {
Elliott Hughesba45ddf2015-04-27 18:39:27 -070033 int file_size;
34 int block_size;
Tianjie Xu6af51a02017-04-19 14:00:52 -070035 if (sscanf(args.c_str(), "%d:%d", &file_size, &block_size) != 2) {
36 printf("bad sideload-host arguments: %s\n", args.c_str());
Elliott Hughesba45ddf2015-04-27 18:39:27 -070037 exit(1);
38 }
Doug Zongker9270a202012-01-09 15:16:13 -080039
Elliott Hughesba45ddf2015-04-27 18:39:27 -070040 printf("sideload-host file size %d block size %d\n", file_size, block_size);
Doug Zongker9270a202012-01-09 15:16:13 -080041
Doug Zongker18a78e02014-07-10 07:31:46 -070042 int result = run_adb_fuse(sfd, file_size, block_size);
Doug Zongker9270a202012-01-09 15:16:13 -080043
Doug Zongker075ad802014-06-26 15:35:51 -070044 printf("sideload_host finished\n");
Doug Zongker075ad802014-06-26 15:35:51 -070045 exit(result == 0 ? 0 : 1);
Doug Zongker9270a202012-01-09 15:16:13 -080046}
47
Tianjie Xu6af51a02017-04-19 14:00:52 -070048static int create_service_thread(void (*func)(int, const std::string&), const std::string& args) {
Doug Zongker9270a202012-01-09 15:16:13 -080049 int s[2];
Elliott Hughes24eb8a02016-06-15 15:12:17 -070050 if (adb_socketpair(s)) {
Doug Zongker9270a202012-01-09 15:16:13 -080051 printf("cannot create service socket pair\n");
52 return -1;
53 }
54
Tianjie Xu6af51a02017-04-19 14:00:52 -070055 std::thread([s, func, args]() { func(s[1], args); }).detach();
Doug Zongker9270a202012-01-09 15:16:13 -080056
Yabin Cui7c913e52015-09-23 16:03:11 -070057 VLOG(SERVICES) << "service thread started, " << s[0] << ":" << s[1];
Doug Zongker9270a202012-01-09 15:16:13 -080058 return s[0];
59}
60
David Pursellc3d4d532015-08-25 12:50:47 -070061int service_to_fd(const char* name, const atransport* transport) {
Doug Zongker9270a202012-01-09 15:16:13 -080062 int ret = -1;
63
64 if (!strncmp(name, "sideload:", 9)) {
Doug Zongker075ad802014-06-26 15:35:51 -070065 // this exit status causes recovery to print a special error
66 // message saying to use a newer adb (that supports
67 // sideload-host).
68 exit(3);
69 } else if (!strncmp(name, "sideload-host:", 14)) {
Tianjie Xu6af51a02017-04-19 14:00:52 -070070 std::string arg(name + 14);
Yabin Cuic8a3c802015-09-29 18:05:30 -070071 ret = create_service_thread(sideload_host_service, arg);
Doug Zongker9270a202012-01-09 15:16:13 -080072 }
73 if (ret >= 0) {
74 close_on_exec(ret);
75 }
76 return ret;
77}