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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.
*/
/******************************************************************************
**
** The original Work has been changed by NXP.
**
** 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.
**
** Copyright 2022-2023 NXP
**
*********************************************************************************/
#define LOG_TAG "AuthSecret-Hal"
#include "AuthSecret.h"
#include "AuthSecretHelper.h"
using keymint::javacard::OmapiTransport;
const std::vector<uint8_t> gAuthSecretAppletAID = {0xA0, 0x00, 0x00, 0x03, 0x96,
0x54, 0x53, 0x00, 0x00, 0x00,
0x01, 0x00, 0x52};
static OmapiTransport *gTransport = new OmapiTransport(gAuthSecretAppletAID);
static AuthSecretHelper *gAuthSecretImplInstance = AuthSecretHelper::getInstance();
namespace aidl {
namespace android {
namespace hardware {
namespace authsecret {
static void authSecretTimerExpiryFunc(union sigval arg) {
LOG(INFO) << StringPrintf(
"%s: Enter. Clearing AuthSecret Approved Status !!!", __func__);
AuthSecret *obj = (AuthSecret *)arg.sival_ptr;
if (obj != nullptr)
obj->clearAuthApprovedStatus();
}
void AuthSecret::clearAuthApprovedStatus() {
LOG(INFO) << StringPrintf("%s: Enter", __func__);
std::vector<uint8_t> cmd;
std::vector<uint8_t> timeout;
std::vector<uint8_t> input;
bool status = gAuthSecretImplInstance->constructApdu(
Instruction::INS_CLEAR_APPROVED_STATUS, input, cmd, std::move(timeout));
if (!status) {
LOG(ERROR) << StringPrintf("%s: constructApdu failed", __func__);
return;
}
std::vector<uint8_t> resp;
uint8_t retry = 0;
do {
if (!gTransport->sendData(cmd, resp)) {
LOG(ERROR) << StringPrintf("%s: Error in sending data in sendData.",
__func__);
} else {
if ((resp.size() < 2) || (getApduStatus(resp) != APDU_RESP_STATUS_OK)) {
LOG(ERROR) << StringPrintf("%s: failed", __func__);
} else { break; }
}
usleep(1 * ONE_SEC);
} while (++retry < MAX_RETRY_COUNT);
LOG(INFO) << StringPrintf("%s: Exit", __func__);
}
// Methods from ::android::hardware::authsecret::IAuthSecret follow.
::ndk::ScopedAStatus
AuthSecret::setPrimaryUserCredential(const std::vector<uint8_t> &in_secret) {
LOG(INFO) << StringPrintf("%s: Enter", __func__);
std::vector<uint8_t> cmd;
std::vector<uint8_t> timeout;
bool status = gAuthSecretImplInstance->constructApdu(
Instruction::INS_VERIFY_PIN, in_secret, cmd, std::move(timeout));
if (!status) {
LOG(ERROR) << StringPrintf("%s: constructApdu failed", __func__);
return ::ndk::ScopedAStatus::ok();
}
mAuthClearTimer.kill();
clearAuthApprovedStatus();
std::vector<uint8_t> resp;
uint8_t retry = 0;
do {
if (!gTransport->sendData(cmd, resp)) {
LOG(ERROR) << StringPrintf("%s: Error in sending data in sendData.",
__func__);
} else {
break;
}
} while (++retry < MAX_RETRY_COUNT);
if ((resp.size() < 2) || (getApduStatus(resp) != APDU_RESP_STATUS_OK) ||
!gAuthSecretImplInstance->checkVerifyStatus(resp)) {
clearAuthApprovedStatus();
return ::ndk::ScopedAStatus::ok();
}
uint64_t clearAuthTimeout =
gAuthSecretImplInstance->extractTimeoutValue(std::move(resp));
LOG(INFO) << StringPrintf("%s: AuthSecret Clear status Timeout = %ld secs",
__func__, clearAuthTimeout);
if (clearAuthTimeout) {
if (!mAuthClearTimer.set(clearAuthTimeout * 1000, this,
authSecretTimerExpiryFunc)) {
LOG(ERROR) << StringPrintf("%s: Set Timer Failed !!!", __func__);
clearAuthApprovedStatus();
}
}
gTransport->closeConnection();
LOG(INFO) << StringPrintf("%s: Exit", __func__);
return ::ndk::ScopedAStatus::ok();
}
} // namespace authsecret
} // namespace hardware
} // namespace android
} // aidl
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