43773f6c42
This patch adds a HIDL based software implementation of gatekeeper based
on libgatekeeper.
Also adds OWNER files to the vts test and default implementation
directories.
Test: Manually tested in emulator. Changing passwords and login worked.
VtsHalGatekeeperV1_0TargetTest
gatekeeper-software-device-unit-tests
Change-Id: I632aeb6677640c133ec1b79e72568840adbc0550
Merged-In: I632aeb6677640c133ec1b79e72568840adbc0550
114 lines
4.5 KiB
C++
114 lines
4.5 KiB
C++
/*
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* Copyright (C) 2015 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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#include "SoftGateKeeperDevice.h"
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#include "SoftGateKeeper.h"
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using ::android::hardware::hidl_vec;
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using ::android::hardware::Return;
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using ::android::hardware::gatekeeper::V1_0::GatekeeperStatusCode;
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using ::gatekeeper::EnrollRequest;
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using ::gatekeeper::EnrollResponse;
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using ::gatekeeper::ERROR_INVALID;
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using ::gatekeeper::ERROR_MEMORY_ALLOCATION_FAILED;
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using ::gatekeeper::ERROR_NONE;
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using ::gatekeeper::ERROR_RETRY;
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using ::gatekeeper::SizedBuffer;
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using ::gatekeeper::VerifyRequest;
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using ::gatekeeper::VerifyResponse;
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#include <limits>
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namespace android {
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inline SizedBuffer hidl_vec2sized_buffer(const hidl_vec<uint8_t>& vec) {
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if (vec.size() == 0 || vec.size() > std::numeric_limits<uint32_t>::max()) return {};
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auto dummy = new uint8_t[vec.size()];
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std::copy(vec.begin(), vec.end(), dummy);
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return {dummy, static_cast<uint32_t>(vec.size())};
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}
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Return<void> SoftGateKeeperDevice::enroll(uint32_t uid,
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const hidl_vec<uint8_t>& currentPasswordHandle,
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const hidl_vec<uint8_t>& currentPassword,
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const hidl_vec<uint8_t>& desiredPassword,
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enroll_cb _hidl_cb) {
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if (desiredPassword.size() == 0) {
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_hidl_cb({GatekeeperStatusCode::ERROR_GENERAL_FAILURE, 0, {}});
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return {};
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}
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EnrollRequest request(uid, hidl_vec2sized_buffer(currentPasswordHandle),
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hidl_vec2sized_buffer(desiredPassword),
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hidl_vec2sized_buffer(currentPassword));
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EnrollResponse response;
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impl_->Enroll(request, &response);
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if (response.error == ERROR_RETRY) {
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_hidl_cb({GatekeeperStatusCode::ERROR_RETRY_TIMEOUT, response.retry_timeout, {}});
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} else if (response.error != ERROR_NONE) {
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_hidl_cb({GatekeeperStatusCode::ERROR_GENERAL_FAILURE, 0, {}});
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} else {
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hidl_vec<uint8_t> new_handle(response.enrolled_password_handle.Data<uint8_t>(),
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response.enrolled_password_handle.Data<uint8_t>() +
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response.enrolled_password_handle.size());
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_hidl_cb({GatekeeperStatusCode::STATUS_OK, response.retry_timeout, new_handle});
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}
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return {};
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}
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Return<void> SoftGateKeeperDevice::verify(
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uint32_t uid, uint64_t challenge,
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const ::android::hardware::hidl_vec<uint8_t>& enrolledPasswordHandle,
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const ::android::hardware::hidl_vec<uint8_t>& providedPassword, verify_cb _hidl_cb) {
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if (enrolledPasswordHandle.size() == 0) {
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_hidl_cb({GatekeeperStatusCode::ERROR_GENERAL_FAILURE, 0, {}});
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return {};
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}
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VerifyRequest request(uid, challenge, hidl_vec2sized_buffer(enrolledPasswordHandle),
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hidl_vec2sized_buffer(providedPassword));
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VerifyResponse response;
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impl_->Verify(request, &response);
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if (response.error == ERROR_RETRY) {
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_hidl_cb({GatekeeperStatusCode::ERROR_RETRY_TIMEOUT, response.retry_timeout, {}});
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} else if (response.error != ERROR_NONE) {
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_hidl_cb({GatekeeperStatusCode::ERROR_GENERAL_FAILURE, 0, {}});
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} else {
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hidl_vec<uint8_t> auth_token(
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response.auth_token.Data<uint8_t>(),
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response.auth_token.Data<uint8_t>() + response.auth_token.size());
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_hidl_cb({response.request_reenroll ? GatekeeperStatusCode::STATUS_REENROLL
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: GatekeeperStatusCode::STATUS_OK,
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response.retry_timeout, auth_token});
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}
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return {};
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}
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Return<void> SoftGateKeeperDevice::deleteUser(uint32_t /*uid*/, deleteUser_cb _hidl_cb) {
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_hidl_cb({GatekeeperStatusCode::ERROR_NOT_IMPLEMENTED, 0, {}});
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return {};
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}
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Return<void> SoftGateKeeperDevice::deleteAllUsers(deleteAllUsers_cb _hidl_cb) {
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_hidl_cb({GatekeeperStatusCode::ERROR_NOT_IMPLEMENTED, 0, {}});
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return {};
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}
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} // namespace android
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