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/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define TRACE_TAG SERVICES
#include "sysdeps.h"
#include <stdlib.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <unistd.h>
#include <string>
#include <android-base/logging.h>
#include <android-base/properties.h>
#include <android-base/stringprintf.h>
#include <bootloader_message/bootloader_message.h>
#include <cutils/android_reboot.h>
#include "adb_io.h"
#include "adb_unique_fd.h"
void reboot_service(unique_fd fd, const std::string& arg) {
std::string reboot_arg = arg;
sync();
if (reboot_arg.empty()) reboot_arg = "adb";
std::string reboot_string = android::base::StringPrintf("reboot,%s", reboot_arg.c_str());
if (reboot_arg == "fastboot" &&
android::base::GetBoolProperty("ro.boot.dynamic_partitions", false) &&
access("/dev/socket/recovery", F_OK) == 0) {
LOG(INFO) << "Recovery specific reboot fastboot";
/*
* The socket is created to allow switching between recovery and
* fastboot.
*/
android::base::unique_fd sock(socket(AF_UNIX, SOCK_STREAM, 0));
if (sock < 0) {
WriteFdFmt(fd, "reboot (%s) create\n", strerror(errno));
PLOG(ERROR) << "Creating recovery socket failed";
return;
}
sockaddr_un addr = {.sun_family = AF_UNIX};
strncpy(addr.sun_path, "/dev/socket/recovery", sizeof(addr.sun_path) - 1);
if (connect(sock, reinterpret_cast<sockaddr*>(&addr), sizeof(addr)) == -1) {
WriteFdFmt(fd, "reboot (%s) connect\n", strerror(errno));
PLOG(ERROR) << "Couldn't connect to recovery socket";
return;
}
const char msg_switch_to_fastboot = 'f';
auto ret = adb_write(sock, &msg_switch_to_fastboot, sizeof(msg_switch_to_fastboot));
if (ret != sizeof(msg_switch_to_fastboot)) {
WriteFdFmt(fd, "reboot (%s) write\n", strerror(errno));
PLOG(ERROR) << "Couldn't write message to recovery socket to switch to fastboot";
return;
}
} else {
if (!android::base::SetProperty(ANDROID_RB_PROPERTY, reboot_string)) {
WriteFdFmt(fd.get(), "reboot (%s) failed\n", reboot_string.c_str());
return;
}
}
// Don't return early. Give the reboot command time to take effect
// to avoid messing up scripts which do "adb reboot && adb wait-for-device"
while (true) {
pause();
}
}
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