Merge "Run BoringSSL self test during startup" am: 044e02764d (bd41882d) · Commits · e / os / android_system_core

init/Android.bp

+2 −0

Original line number	Diff line number	Diff line
		@@ -71,6 +71,7 @@ cc_defaults {
		"libbinder",
		"libbootloader_message",
		"libcutils",
		"libcrypto",
		"libdl",
		"libext4_utils",
		"libfs_mgr",
		@@ -93,6 +94,7 @@ cc_library_static {
		"action.cpp",
		"action_manager.cpp",
		"action_parser.cpp",
		"boringssl_self_test.cpp",
		"bootchart.cpp",
		"builtins.cpp",
		"capabilities.cpp",

init/boringssl_self_test.cpp

0 → 100644

+56 −0

Original line number	Diff line number	Diff line
		/*
		* 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.
		*/

		#include "boringssl_self_test.h"

		#include <android-base/logging.h>
		#include <cutils/android_reboot.h>
		#include <openssl/crypto.h>
		#include <sys/types.h>
		#include <unistd.h>

		namespace android {
		namespace init {

		Result<Success> StartBoringSslSelfTest(const BuiltinArguments&) {
		pid_t id = fork();

		if (id == 0) {
		if (BORINGSSL_self_test() != 1) {
		LOG(INFO) << "BoringSSL crypto self tests failed";

		// This check has failed, so the device should refuse
		// to boot. Rebooting to bootloader to wait for
		// further action from the user.

		int result = android_reboot(ANDROID_RB_RESTART2, 0,
		"bootloader,boringssl-self-check-failed");
		if (result != 0) {
		LOG(ERROR) << "Failed to reboot into bootloader";
		}
		}

		_exit(0);
		} else if (id == -1) {
		// Failed to fork, so cannot run the test. Refuse to continue.
		PLOG(FATAL) << "Failed to fork for BoringSSL self test";
		}

		return Success();
		}

		} // namespace init
		} // namespace android

init/boringssl_self_test.h

0 → 100644

+28 −0

Original line number	Diff line number	Diff line
		/*
		* 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.
		*/

		#pragma once

		#include "builtin_arguments.h"
		#include "result.h"

		namespace android {
		namespace init {

		Result<Success> StartBoringSslSelfTest(const BuiltinArguments&);

		} // namespace init
		} // namespace android

init/init.cpp

+4 −0

Original line number	Diff line number	Diff line
		@@ -49,6 +49,7 @@
		#endif

		#include "action_parser.h"
		#include "boringssl_self_test.h"
		#include "epoll.h"
		#include "first_stage_mount.h"
		#include "import_parser.h"
		@@ -697,6 +698,9 @@ int SecondStageMain(int argc, char** argv) {
		// Trigger all the boot actions to get us started.
		am.QueueEventTrigger("init");

		// Starting the BoringSSL self test, for NIAP certification compliance.
		am.QueueBuiltinAction(StartBoringSslSelfTest, "StartBoringSslSelfTest");

		// Repeat mix_hwrng_into_linux_rng in case /dev/hw_random or /dev/random
		// wasn't ready immediately after wait_for_coldboot_done
		am.QueueBuiltinAction(MixHwrngIntoLinuxRngAction, "MixHwrngIntoLinuxRng");