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Commit a9a3c850 authored by Ilya Matyukhin's avatar Ilya Matyukhin
Browse files

Default implementation for IFingerprint 

Bug: 152416783
Test: atest VtsHalBiometricsFingerprintTargetTest
Test: atest vts_treble_vintf_vendor_test
Test: atest hal_implementation_test
Change-Id: I67efda2d5418147a7cac9cc54920005a199fcbe3
parent 14412df8

biometrics/fingerprint/aidl/default/Android.bp

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cc_binary {

    name: "android.hardware.biometrics.fingerprint-service.example",

    relative_install_path: "hw",

    init_rc: ["fingerprint-default.rc"],

    vintf_fragments: ["fingerprint-default.xml"],

    vendor: true,

    shared_libs: [

        "libbase",

        "libbinder_ndk",

        "android.hardware.biometrics.fingerprint-ndk_platform",

    ],

    srcs: [

        "main.cpp",

        "Fingerprint.cpp",

        "Session.cpp",

    ],

}

biometrics/fingerprint/aidl/default/Fingerprint.cpp

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/*

 * Copyright (C) 2020 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 "Fingerprint.h"

#include "Session.h"



namespace aidl::android::hardware::biometrics::fingerprint {



ndk::ScopedAStatus Fingerprint::getSensorProps(std::vector<SensorProps>* /*return_val*/) {

    return ndk::ScopedAStatus::ok();

}



ndk::ScopedAStatus Fingerprint::createSession(int32_t /*sensorId*/, int32_t /*userId*/,

                                              const std::shared_ptr<ISessionCallback>& cb,

                                              std::shared_ptr<ISession>* return_val) {

    *return_val = SharedRefBase::make<Session>(cb);

    return ndk::ScopedAStatus::ok();

}



ndk::ScopedAStatus Fingerprint::setResetLockoutCallback(

        const std::shared_ptr<IResetLockoutCallback>& /*cb*/) {

    return ndk::ScopedAStatus::ok();

}



ndk::ScopedAStatus Fingerprint::generateChallenge(

        int32_t /*sensorId*/, int32_t /*userId*/, int64_t /*keystoreOperationId*/,

        int32_t /*timeoutSec*/, const std::shared_ptr<IGenerateChallengeCallback>& /*cb*/) {

    return ndk::ScopedAStatus::ok();

}



ndk::ScopedAStatus Fingerprint::revokeChallenge(

        int32_t /*sensorId*/, int32_t /*userId*/,

        const std::shared_ptr<IRevokeChallengeCallback>& /*cb*/) {

    return ndk::ScopedAStatus::ok();

}



}  // namespace aidl::android::hardware::biometrics::fingerprint

biometrics/fingerprint/aidl/default/Fingerprint.h

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/*

 * Copyright (C) 2020 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 <aidl/android/hardware/biometrics/fingerprint/BnFingerprint.h>



namespace aidl::android::hardware::biometrics::fingerprint {



class Fingerprint : public BnFingerprint {

  public:

    ndk::ScopedAStatus getSensorProps(std::vector<SensorProps>* _aidl_return) override;



    ndk::ScopedAStatus createSession(int32_t sensorId, int32_t userId,

                                     const std::shared_ptr<ISessionCallback>& cb,

                                     std::shared_ptr<ISession>* _aidl_return) override;



    ndk::ScopedAStatus setResetLockoutCallback(

            const std::shared_ptr<IResetLockoutCallback>& cb) override;



    ndk::ScopedAStatus generateChallenge(

            int32_t sensorId, int32_t userId, int64_t keystoreOperationId, int32_t timeoutSec,

            const std::shared_ptr<IGenerateChallengeCallback>& cb) override;



    ndk::ScopedAStatus revokeChallenge(

            int32_t sensorId, int32_t userId,

            const std::shared_ptr<IRevokeChallengeCallback>& cb) override;

};



}  // namespace aidl::android::hardware::biometrics::fingerprint

biometrics/fingerprint/aidl/default/Session.cpp

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/*

 * Copyright (C) 2020 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 <aidl/android/hardware/biometrics/fingerprint/BnCancellationSignal.h>



#include "Session.h"



namespace aidl::android::hardware::biometrics::fingerprint {



class CancellationSignal : public BnCancellationSignal {

  public:

    ndk::ScopedAStatus cancel() override { return ndk::ScopedAStatus::ok(); }

};



Session::Session(std::shared_ptr<ISessionCallback> cb) : cb_(std::move(cb)) {}



ndk::ScopedAStatus Session::enroll(int32_t /*cookie*/, const keymaster::HardwareAuthToken& /*hat*/,

                                   std::shared_ptr<ICancellationSignal>* /*return_val*/) {

    return ndk::ScopedAStatus::ok();

}



ndk::ScopedAStatus Session::authenticate(int32_t /*cookie*/, int64_t /*keystoreOperationId*/,

                                         std::shared_ptr<ICancellationSignal>* return_val) {

    if (cb_) {

        cb_->onStateChanged(0, SessionState::AUTHENTICATING);

    }

    *return_val = SharedRefBase::make<CancellationSignal>();

    return ndk::ScopedAStatus::ok();

}



ndk::ScopedAStatus Session::detectInteraction(

        int32_t /*cookie*/, std::shared_ptr<ICancellationSignal>* /*return_val*/) {

    return ndk::ScopedAStatus::ok();

}



ndk::ScopedAStatus Session::enumerateEnrollments(int32_t /*cookie*/) {

    return ndk::ScopedAStatus::ok();

}



ndk::ScopedAStatus Session::removeEnrollments(int32_t /*cookie*/,

                                              const std::vector<int32_t>& /*enrollmentIds*/) {

    return ndk::ScopedAStatus::ok();

}



ndk::ScopedAStatus Session::getAuthenticatorId(int32_t /*cookie*/) {

    return ndk::ScopedAStatus::ok();

}



ndk::ScopedAStatus Session::resetLockout(int32_t /*cookie*/,

                                         const keymaster::HardwareAuthToken& /*hat*/) {

    return ndk::ScopedAStatus::ok();

}



ndk::ScopedAStatus Session::onPointerDown(int32_t /*pointerId*/, int32_t /*x*/, int32_t /*y*/,

                                          float /*minor*/, float /*major*/) {

    return ndk::ScopedAStatus::ok();

}



ndk::ScopedAStatus Session::onPointerUp(int32_t /*pointerId*/) {

    return ndk::ScopedAStatus::ok();

}



ndk::ScopedAStatus Session::onUiReady() {

    return ndk::ScopedAStatus::ok();

}



}  // namespace aidl::android::hardware::biometrics::fingerprint

biometrics/fingerprint/aidl/default/Session.h

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/*

 * Copyright (C) 2020 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 <aidl/android/hardware/biometrics/fingerprint/BnSession.h>

#include <aidl/android/hardware/biometrics/fingerprint/ISessionCallback.h>



namespace aidl::android::hardware::biometrics::fingerprint {



namespace aidl::android::hardware::keymaster = keymaster;



class Session : public BnSession {

  public:

    explicit Session(std::shared_ptr<ISessionCallback> cb);



    ndk::ScopedAStatus enroll(int32_t cookie, const keymaster::HardwareAuthToken& hat,

                              std::shared_ptr<ICancellationSignal>* return_val) override;



    ndk::ScopedAStatus authenticate(int32_t cookie, int64_t keystoreOperationId,

                                    std::shared_ptr<ICancellationSignal>* return_val) override;



    ndk::ScopedAStatus detectInteraction(int32_t cookie,

                                         std::shared_ptr<ICancellationSignal>* return_val) override;



    ndk::ScopedAStatus enumerateEnrollments(int32_t cookie) override;



    ndk::ScopedAStatus removeEnrollments(int32_t cookie,

                                         const std::vector<int32_t>& enrollmentIds) override;



    ndk::ScopedAStatus getAuthenticatorId(int32_t cookie) override;



    ndk::ScopedAStatus resetLockout(int32_t cookie,

                                    const keymaster::HardwareAuthToken& hat) override;



    ndk::ScopedAStatus onPointerDown(int32_t pointerId, int32_t x, int32_t y, float minor,

                                     float major) override;



    ndk::ScopedAStatus onPointerUp(int32_t pointerId) override;



    ndk::ScopedAStatus onUiReady() override;



  private:

    std::shared_ptr<ISessionCallback> cb_;

};



}  // namespace aidl::android::hardware::biometrics::fingerprint