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