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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
Doug Zongker9270a202012-01-09 15:16:13 -080024#include "adb.h"
Dan Albert8f6eb5c2015-02-24 22:07:18 -080025#include "fdevent.h"
26#include "fuse_adb_provider.h"
Elliott Hughes24eb8a02016-06-15 15:12:17 -070027#include "sysdeps.h"
Doug Zongker9270a202012-01-09 15:16:13 -080028
29typedef struct stinfo stinfo;
30
31struct stinfo {
32 void (*func)(int fd, void *cookie);
33 int fd;
34 void *cookie;
35};
36
Josh Gaocc07b352016-02-12 15:00:52 -080037void service_bootstrap_func(void* x) {
Elliott Hughes20531ef2015-04-10 13:59:19 -070038 stinfo* sti = reinterpret_cast<stinfo*>(x);
Doug Zongker9270a202012-01-09 15:16:13 -080039 sti->func(sti->fd, sti->cookie);
40 free(sti);
Doug Zongker9270a202012-01-09 15:16:13 -080041}
42
Elliott Hughesba45ddf2015-04-27 18:39:27 -070043static void sideload_host_service(int sfd, void* data) {
Yabin Cuic8a3c802015-09-29 18:05:30 -070044 char* args = reinterpret_cast<char*>(data);
Elliott Hughesba45ddf2015-04-27 18:39:27 -070045 int file_size;
46 int block_size;
47 if (sscanf(args, "%d:%d", &file_size, &block_size) != 2) {
48 printf("bad sideload-host arguments: %s\n", args);
49 exit(1);
50 }
Yabin Cuic8a3c802015-09-29 18:05:30 -070051 free(args);
Doug Zongker9270a202012-01-09 15:16:13 -080052
Elliott Hughesba45ddf2015-04-27 18:39:27 -070053 printf("sideload-host file size %d block size %d\n", file_size, block_size);
Doug Zongker9270a202012-01-09 15:16:13 -080054
Doug Zongker18a78e02014-07-10 07:31:46 -070055 int result = run_adb_fuse(sfd, file_size, block_size);
Doug Zongker9270a202012-01-09 15:16:13 -080056
Doug Zongker075ad802014-06-26 15:35:51 -070057 printf("sideload_host finished\n");
58 sleep(1);
59 exit(result == 0 ? 0 : 1);
Doug Zongker9270a202012-01-09 15:16:13 -080060}
61
Elliott Hughes921431f2015-05-05 14:37:53 -070062static int create_service_thread(void (*func)(int, void *), void *cookie) {
Doug Zongker9270a202012-01-09 15:16:13 -080063 int s[2];
Elliott Hughes24eb8a02016-06-15 15:12:17 -070064 if (adb_socketpair(s)) {
Doug Zongker9270a202012-01-09 15:16:13 -080065 printf("cannot create service socket pair\n");
66 return -1;
67 }
68
Rahul Chaudhry4f7faac2016-11-08 16:06:13 -080069 stinfo* sti = static_cast<stinfo*>(malloc(sizeof(stinfo)));
Doug Zongker9270a202012-01-09 15:16:13 -080070 if(sti == 0) fatal("cannot allocate stinfo");
71 sti->func = func;
72 sti->cookie = cookie;
73 sti->fd = s[1];
74
Elliott Hughes921431f2015-05-05 14:37:53 -070075 if (!adb_thread_create(service_bootstrap_func, sti)) {
Doug Zongker9270a202012-01-09 15:16:13 -080076 free(sti);
77 adb_close(s[0]);
78 adb_close(s[1]);
79 printf("cannot create service thread\n");
80 return -1;
81 }
82
Yabin Cui7c913e52015-09-23 16:03:11 -070083 VLOG(SERVICES) << "service thread started, " << s[0] << ":" << s[1];
Doug Zongker9270a202012-01-09 15:16:13 -080084 return s[0];
85}
86
David Pursellc3d4d532015-08-25 12:50:47 -070087int service_to_fd(const char* name, const atransport* transport) {
Doug Zongker9270a202012-01-09 15:16:13 -080088 int ret = -1;
89
90 if (!strncmp(name, "sideload:", 9)) {
Doug Zongker075ad802014-06-26 15:35:51 -070091 // this exit status causes recovery to print a special error
92 // message saying to use a newer adb (that supports
93 // sideload-host).
94 exit(3);
95 } else if (!strncmp(name, "sideload-host:", 14)) {
Yabin Cuic8a3c802015-09-29 18:05:30 -070096 char* arg = strdup(name + 14);
97 ret = create_service_thread(sideload_host_service, arg);
Doug Zongker9270a202012-01-09 15:16:13 -080098 }
99 if (ret >= 0) {
100 close_on_exec(ret);
101 }
102 return ret;
103}