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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/policy/auto_enrollment_client.h"
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "chrome/browser/policy/mock_device_management_backend.h"
#include "chrome/browser/policy/mock_device_management_service.h"
#include "crypto/sha2.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace em = enterprise_management;
namespace policy {
namespace {
const char* kSerial = "serial";
const char* kSerialHash =
"\x01\x44\xb1\xde\xfc\xf7\x56\x10\x87\x01\x5f\x8d\x83\x0d\x65\xb1"
"\x6f\x02\x4a\xd7\xeb\x92\x45\xfc\xd4\xe4\x37\xa1\x55\x2b\x13\x8a";
using ::testing::AnyNumber;
using ::testing::DoAll;
using ::testing::InSequence;
using ::testing::Invoke;
using ::testing::Unused;
using ::testing::_;
ACTION_P(MockDeviceManagementBackendFailAutoEnrollment, error) {
arg2->OnError(error);
}
ACTION_P(MockDeviceManagementBackendSucceedAutoEnrollment, response) {
arg2->HandleAutoEnrollmentResponse(response);
}
class AutoEnrollmentClientTest : public testing::Test {
protected:
AutoEnrollmentClientTest()
: completion_callback_count_(0) {}
virtual void SetUp() OVERRIDE {
CreateClient(kSerial, 4, 8);
}
void CreateClient(const std::string& serial,
int power_initial,
int power_limit) {
MockDeviceManagementService* service = new MockDeviceManagementService;
EXPECT_CALL(*service, CreateBackend())
.Times(AnyNumber())
.WillRepeatedly(MockDeviceManagementServiceProxyBackend(&backend_));
base::Closure callback =
base::Bind(&AutoEnrollmentClientTest::CompletionCallback,
base::Unretained(this));
client_.reset(new AutoEnrollmentClient(callback,
service,
serial,
power_initial,
power_limit));
}
void CompletionCallback() {
completion_callback_count_++;
}
void ServerWillFail(DeviceManagementBackend::ErrorCode error) {
EXPECT_CALL(backend_, ProcessAutoEnrollmentRequest(_, _, _))
.WillOnce(
DoAll(Invoke(this, &AutoEnrollmentClientTest::CaptureRequest),
MockDeviceManagementBackendFailAutoEnrollment(error)));
}
void ServerWillReply(int64 modulus, bool with_hashes, bool with_serial_hash) {
em::DeviceAutoEnrollmentResponse response;
if (modulus >= 0)
response.set_expected_modulus(modulus);
if (with_hashes) {
for (size_t i = 0; i < 10; ++i) {
std::string serial = "serial X";
serial[7] = '0' + i;
std::string hash = crypto::SHA256HashString(serial);
response.mutable_hash()->Add()->assign(hash);
}
}
if (with_serial_hash) {
response.mutable_hash()->Add()->assign(kSerialHash,
crypto::kSHA256Length);
}
EXPECT_CALL(backend_, ProcessAutoEnrollmentRequest(_, _, _))
.WillOnce(
DoAll(Invoke(this, &AutoEnrollmentClientTest::CaptureRequest),
MockDeviceManagementBackendSucceedAutoEnrollment(response)));
}
MockDeviceManagementBackend backend_;
scoped_ptr<AutoEnrollmentClient> client_;
em::DeviceAutoEnrollmentRequest last_request_;
int completion_callback_count_;
private:
void CaptureRequest(
Unused,
const em::DeviceAutoEnrollmentRequest& request,
Unused) {
last_request_ = request;
}
DISALLOW_COPY_AND_ASSIGN(AutoEnrollmentClientTest);
};
TEST_F(AutoEnrollmentClientTest, NetworkFailure) {
ServerWillFail(DeviceManagementBackend::kErrorTemporaryUnavailable);
client_->Start();
EXPECT_FALSE(client_->should_auto_enroll());
EXPECT_EQ(1, completion_callback_count_);
}
TEST_F(AutoEnrollmentClientTest, EmptyReply) {
ServerWillReply(-1, false, false);
client_->Start();
EXPECT_FALSE(client_->should_auto_enroll());
EXPECT_EQ(1, completion_callback_count_);
}
TEST_F(AutoEnrollmentClientTest, ClientUploadsRightBits) {
ServerWillReply(-1, false, false);
client_->Start();
EXPECT_FALSE(client_->should_auto_enroll());
EXPECT_EQ(1, completion_callback_count_);
EXPECT_TRUE(last_request_.has_remainder());
EXPECT_TRUE(last_request_.has_modulus());
EXPECT_EQ(16, last_request_.modulus());
EXPECT_EQ(kSerialHash[31] & 0xf, last_request_.remainder());
}
TEST_F(AutoEnrollmentClientTest, AskForMoreThenFail) {
InSequence sequence;
ServerWillReply(32, false, false);
ServerWillFail(DeviceManagementBackend::kErrorTemporaryUnavailable);
client_->Start();
EXPECT_FALSE(client_->should_auto_enroll());
EXPECT_EQ(1, completion_callback_count_);
}
TEST_F(AutoEnrollmentClientTest, AskForMoreThenEvenMore) {
InSequence sequence;
ServerWillReply(32, false, false);
ServerWillReply(64, false, false);
client_->Start();
EXPECT_FALSE(client_->should_auto_enroll());
EXPECT_EQ(1, completion_callback_count_);
}
TEST_F(AutoEnrollmentClientTest, AskForLess) {
ServerWillReply(8, false, false);
client_->Start();
EXPECT_FALSE(client_->should_auto_enroll());
EXPECT_EQ(1, completion_callback_count_);
}
TEST_F(AutoEnrollmentClientTest, AskForSame) {
ServerWillReply(16, false, false);
client_->Start();
EXPECT_FALSE(client_->should_auto_enroll());
EXPECT_EQ(1, completion_callback_count_);
}
TEST_F(AutoEnrollmentClientTest, AskForTooMuch) {
ServerWillReply(512, false, false);
client_->Start();
EXPECT_FALSE(client_->should_auto_enroll());
EXPECT_EQ(1, completion_callback_count_);
}
TEST_F(AutoEnrollmentClientTest, AskNonPowerOf2) {
InSequence sequence;
ServerWillReply(100, false, false);
ServerWillReply(-1, false, false);
client_->Start();
EXPECT_FALSE(client_->should_auto_enroll());
EXPECT_EQ(1, completion_callback_count_);
EXPECT_TRUE(last_request_.has_remainder());
EXPECT_TRUE(last_request_.has_modulus());
EXPECT_EQ(128, last_request_.modulus());
EXPECT_EQ(kSerialHash[31] & 0x7f, last_request_.remainder());
}
TEST_F(AutoEnrollmentClientTest, ConsumerDevice) {
ServerWillReply(-1, true, false);
client_->Start();
EXPECT_FALSE(client_->should_auto_enroll());
EXPECT_EQ(1, completion_callback_count_);
}
TEST_F(AutoEnrollmentClientTest, EnterpriseDevice) {
ServerWillReply(-1, true, true);
client_->Start();
EXPECT_TRUE(client_->should_auto_enroll());
EXPECT_EQ(1, completion_callback_count_);
}
TEST_F(AutoEnrollmentClientTest, NoSerial) {
CreateClient("", 4, 8);
client_->Start();
EXPECT_FALSE(client_->should_auto_enroll());
EXPECT_EQ(1, completion_callback_count_);
}
TEST_F(AutoEnrollmentClientTest, NoBitsUploaded) {
CreateClient(kSerial, 0, 0);
ServerWillReply(-1, false, false);
client_->Start();
EXPECT_FALSE(client_->should_auto_enroll());
EXPECT_EQ(1, completion_callback_count_);
EXPECT_TRUE(last_request_.has_remainder());
EXPECT_TRUE(last_request_.has_modulus());
EXPECT_EQ(1, last_request_.modulus());
EXPECT_EQ(0, last_request_.remainder());
}
TEST_F(AutoEnrollmentClientTest, ManyBitsUploaded) {
int64 bottom62 = GG_LONGLONG(0x14e437a1552b138a);
for (int i = 0; i <= 62; ++i) {
completion_callback_count_ = 0;
CreateClient(kSerial, i, i);
ServerWillReply(-1, false, false);
client_->Start();
EXPECT_FALSE(client_->should_auto_enroll());
EXPECT_EQ(1, completion_callback_count_);
EXPECT_TRUE(last_request_.has_remainder());
EXPECT_TRUE(last_request_.has_modulus());
EXPECT_EQ((int64) 1 << i, last_request_.modulus());
EXPECT_EQ(bottom62 % ((int64) 1 << i), last_request_.remainder());
}
}
} // namespace
} // namespace policy
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