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Merge "Cleanup: Remove wait_for_strongbox source code" into main

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Treehugger Robot 2023-09-13 06:03:54 +00:00 • committed by Android (Google) Code Review
commit 5d09550534
3 changed files with 0 additions and 108 deletions
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40
keymaster/Android.bp
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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.
package {
// See: http://go/android-license-faq
// A large-scale-change added 'default_applicable_licenses' to import
// all of the 'license_kinds' from "//device/google/zumapro:device_google_zumapro_license"
// to get the below license kinds:
// SPDX-license-identifier-Apache-2.0
default_applicable_licenses: [
"//device/google/zumapro:device_google_zumapro_license",
],
}
cc_binary {
name: "wait_for_strongbox",
init_rc: ["wait_for_strongbox.rc"],
relative_install_path: "hw",
srcs: [ "wait_for_strongbox.cpp" ],
cflags: [ "-Werror", "-Wall" ],
shared_libs: [
"android.hardware.keymaster@4.0",
"libbase",
"libkeymaster4_1support",
"libutils",
],
proprietary: true,
}

59
keymaster/wait_for_strongbox.cpp
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/*
** Copyright 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.
*/
#include <unistd.h>
#define LOG_TAG "wait_for_strongbox"
#include <android-base/logging.h>
#include <keymasterV4_1/Keymaster.h>
using android::hardware::keymaster::V4_1::SecurityLevel;
using android::hardware::keymaster::V4_1::support::Keymaster;
useconds_t kWaitTimeMicroseconds = 1 * 1000; // 1 milliseconds
int main() {
for (unsigned cycleCount = 0; /* Forever */; ++cycleCount) {
auto keymasters = Keymaster::enumerateAvailableDevices();
bool foundStrongBox = false;
bool foundTee = false;
for (auto &dev : keymasters) {
SecurityLevel securityLevel = dev->halVersion().securityLevel;
uint8_t majorVersion = dev->halVersion().majorVersion;
if (securityLevel == SecurityLevel::STRONGBOX && majorVersion == 4) {
foundStrongBox = true;
}
if (securityLevel == SecurityLevel::TRUSTED_ENVIRONMENT && majorVersion == 4) {
foundTee = true;
}
}
if (foundTee && foundStrongBox) {
return 0;
}
if (cycleCount % 10 == 1) {
if (!foundStrongBox) {
LOG(WARNING) << "Still waiting for StrongBox Keymaster";
}
if (!foundTee) {
LOG(WARNING) << "Still waiting for TEE Keymaster";
}
}
usleep(kWaitTimeMicroseconds);
}
}

9
keymaster/wait_for_strongbox.rc
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# Wait for both Trusty and Strongbox HALs to be up
service wait_for_strongbox /vendor/bin/hw/wait_for_strongbox
user root
group root system
priority -20
ioprio rt 0
on late-fs
exec_start wait_for_strongbox