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/*
* Copyright 2015 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 <arpa/inet.h>
#include <iostream>
#include <gtest/gtest.h>
#include <UniquePtr.h>
#include <hardware/hw_auth_token.h>
#include "../SoftGateKeeper.h"
using ::gatekeeper::SizedBuffer;
using ::testing::Test;
using ::gatekeeper::EnrollRequest;
using ::gatekeeper::EnrollResponse;
using ::gatekeeper::VerifyRequest;
using ::gatekeeper::VerifyResponse;
using ::gatekeeper::SoftGateKeeper;
using ::gatekeeper::secure_id_t;
static void do_enroll(SoftGateKeeper &gatekeeper, EnrollResponse *response) {
SizedBuffer password;
password.buffer.reset(new uint8_t[16]);
password.length = 16;
memset(password.buffer.get(), 0, 16);
EnrollRequest request(0, NULL, &password, NULL);
gatekeeper.Enroll(request, response);
}
TEST(GateKeeperTest, EnrollSuccess) {
SoftGateKeeper gatekeeper;
EnrollResponse response;
do_enroll(gatekeeper, &response);
ASSERT_EQ(::gatekeeper::gatekeeper_error_t::ERROR_NONE, response.error);
}
TEST(GateKeeperTest, EnrollBogusData) {
SoftGateKeeper gatekeeper;
SizedBuffer password;
EnrollResponse response;
EnrollRequest request(0, NULL, &password, NULL);
gatekeeper.Enroll(request, &response);
ASSERT_EQ(::gatekeeper::gatekeeper_error_t::ERROR_INVALID, response.error);
}
TEST(GateKeeperTest, VerifySuccess) {
SoftGateKeeper gatekeeper;
SizedBuffer provided_password;
EnrollResponse enroll_response;
provided_password.buffer.reset(new uint8_t[16]);
provided_password.length = 16;
memset(provided_password.buffer.get(), 0, 16);
do_enroll(gatekeeper, &enroll_response);
ASSERT_EQ(::gatekeeper::gatekeeper_error_t::ERROR_NONE, enroll_response.error);
VerifyRequest request(0, 1, &enroll_response.enrolled_password_handle,
&provided_password);
VerifyResponse response;
gatekeeper.Verify(request, &response);
ASSERT_EQ(::gatekeeper::gatekeeper_error_t::ERROR_NONE, response.error);
hw_auth_token_t *auth_token =
reinterpret_cast<hw_auth_token_t *>(response.auth_token.buffer.get());
ASSERT_EQ((uint32_t) HW_AUTH_PASSWORD, ntohl(auth_token->authenticator_type));
ASSERT_EQ((uint64_t) 1, auth_token->challenge);
ASSERT_NE(~((uint32_t) 0), auth_token->timestamp);
ASSERT_NE((uint64_t) 0, auth_token->user_id);
ASSERT_NE((uint64_t) 0, auth_token->authenticator_id);
}
TEST(GateKeeperTest, TrustedReEnroll) {
SoftGateKeeper gatekeeper;
SizedBuffer provided_password;
EnrollResponse enroll_response;
SizedBuffer password_handle;
// do_enroll enrolls an all 0 password
provided_password.buffer.reset(new uint8_t[16]);
provided_password.length = 16;
memset(provided_password.buffer.get(), 0, 16);
do_enroll(gatekeeper, &enroll_response);
ASSERT_EQ(::gatekeeper::gatekeeper_error_t::ERROR_NONE, enroll_response.error);
// keep a copy of the handle
password_handle.buffer.reset(new uint8_t[enroll_response.enrolled_password_handle.length]);
password_handle.length = enroll_response.enrolled_password_handle.length;
memcpy(password_handle.buffer.get(), enroll_response.enrolled_password_handle.buffer.get(),
password_handle.length);
// verify first password
VerifyRequest request(0, 0, &enroll_response.enrolled_password_handle,
&provided_password);
VerifyResponse response;
gatekeeper.Verify(request, &response);
ASSERT_EQ(::gatekeeper::gatekeeper_error_t::ERROR_NONE, response.error);
hw_auth_token_t *auth_token =
reinterpret_cast<hw_auth_token_t *>(response.auth_token.buffer.get());
secure_id_t secure_id = auth_token->user_id;
// enroll new password
provided_password.buffer.reset(new uint8_t[16]);
provided_password.length = 16;
memset(provided_password.buffer.get(), 0, 16);
SizedBuffer password;
password.buffer.reset(new uint8_t[16]);
memset(password.buffer.get(), 1, 16);
password.length = 16;
EnrollRequest enroll_request(0, &password_handle, &password, &provided_password);
gatekeeper.Enroll(enroll_request, &enroll_response);
ASSERT_EQ(::gatekeeper::gatekeeper_error_t::ERROR_NONE, enroll_response.error);
// verify new password
password.buffer.reset(new uint8_t[16]);
memset(password.buffer.get(), 1, 16);
password.length = 16;
VerifyRequest new_request(0, 0, &enroll_response.enrolled_password_handle,
&password);
gatekeeper.Verify(new_request, &response);
ASSERT_EQ(::gatekeeper::gatekeeper_error_t::ERROR_NONE, response.error);
ASSERT_EQ(secure_id,
reinterpret_cast<hw_auth_token_t *>(response.auth_token.buffer.get())->user_id);
}
TEST(GateKeeperTest, UntrustedReEnroll) {
SoftGateKeeper gatekeeper;
SizedBuffer provided_password;
EnrollResponse enroll_response;
// do_enroll enrolls an all 0 password
provided_password.buffer.reset(new uint8_t[16]);
provided_password.length = 16;
memset(provided_password.buffer.get(), 0, 16);
do_enroll(gatekeeper, &enroll_response);
ASSERT_EQ(::gatekeeper::gatekeeper_error_t::ERROR_NONE, enroll_response.error);
// verify first password
VerifyRequest request(0, 0, &enroll_response.enrolled_password_handle,
&provided_password);
VerifyResponse response;
gatekeeper.Verify(request, &response);
ASSERT_EQ(::gatekeeper::gatekeeper_error_t::ERROR_NONE, response.error);
hw_auth_token_t *auth_token =
reinterpret_cast<hw_auth_token_t *>(response.auth_token.buffer.get());
secure_id_t secure_id = auth_token->user_id;
// enroll new password
SizedBuffer password;
password.buffer.reset(new uint8_t[16]);
memset(password.buffer.get(), 1, 16);
password.length = 16;
EnrollRequest enroll_request(0, NULL, &password, NULL);
gatekeeper.Enroll(enroll_request, &enroll_response);
ASSERT_EQ(::gatekeeper::gatekeeper_error_t::ERROR_NONE, enroll_response.error);
// verify new password
password.buffer.reset(new uint8_t[16]);
memset(password.buffer.get(), 1, 16);
password.length = 16;
VerifyRequest new_request(0, 0, &enroll_response.enrolled_password_handle,
&password);
gatekeeper.Verify(new_request, &response);
ASSERT_EQ(::gatekeeper::gatekeeper_error_t::ERROR_NONE, response.error);
ASSERT_NE(secure_id,
reinterpret_cast<hw_auth_token_t *>(response.auth_token.buffer.get())->user_id);
}
TEST(GateKeeperTest, VerifyBogusData) {
SoftGateKeeper gatekeeper;
SizedBuffer provided_password;
SizedBuffer password_handle;
VerifyResponse response;
VerifyRequest request(0, 0, &provided_password, &password_handle);
gatekeeper.Verify(request, &response);
ASSERT_EQ(::gatekeeper::gatekeeper_error_t::ERROR_INVALID, response.error);
}
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