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// Copyright 2021 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 "base/strings/strcat.h"
#include "components/policy/core/common/cloud/cloud_policy_constants.h"
#include "components/policy/test_support/client_storage.h"
#include "components/policy/test_support/embedded_policy_test_server_test_base.h"
#include "components/policy/test_support/policy_storage.h"
#include "components/policy/test_support/request_handler_for_register_browser.h"
#include "device_management_backend.pb.h"
#include "net/http/http_status_code.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace em = enterprise_management;
namespace policy {
namespace {
using testing::IsEmpty;
using testing::UnorderedElementsAreArray;
constexpr char kDeviceId[] = "fake_device_id";
constexpr char kBrandSerial[] = "ABC21345748";
constexpr char kTrimmedSHA256HashForBrandSerial[] =
"\x8C\xB0\x9C\xC2\x11\x70\x9B\xB1";
constexpr char kStateKey1[] = "fake_state_key_1";
constexpr char kStateKey2[] = "fake_state_key_2";
constexpr char kSHA256HashForStateKey1[] =
"\xB0\x58\x21\x15\x1E\xF5\xEE\x95\x50\xE7\x7D\xB5\x62\x8F\x44\x5A\xE2\x83"
"\xB1\xD1\x2C\x87\x22\x85\x50\xF9\x9C\x33\x34\x0F\x42\x13";
constexpr char kSHA256HashForStateKey2[] =
"\xBC\x11\x2A\x4D\x1A\x7F\xA8\x66\xCA\x4F\xF4\xD8\xC3\x0B\xC3\x5B\x83\x0A"
"\x82\xF1\x2C\x0C\x1A\xBE\x34\xA7\xAD\xF6\x29\x88\x18\x6D";
} // namespace
class RequestHandlerForAutoEnrollmentTest
: public EmbeddedPolicyTestServerTestBase {
protected:
RequestHandlerForAutoEnrollmentTest() = default;
~RequestHandlerForAutoEnrollmentTest() override = default;
void SetUp() override {
EmbeddedPolicyTestServerTestBase::SetUp();
SetRequestTypeParam(dm_protocol::kValueRequestAutoEnrollment);
SetAppType(dm_protocol::kValueAppType);
SetDeviceIdParam(kDeviceId);
SetDeviceType(dm_protocol::kValueDeviceType);
}
};
TEST_F(RequestHandlerForAutoEnrollmentTest, HandleRequest_ForcedEnrollment) {
policy_storage()->SetInitialEnrollmentState(
kBrandSerial, PolicyStorage::InitialEnrollmentState{});
em::DeviceManagementRequest device_management_request;
em::DeviceAutoEnrollmentRequest* enrollment_request =
device_management_request.mutable_auto_enrollment_request();
enrollment_request->set_enrollment_check_type(
em::DeviceAutoEnrollmentRequest::ENROLLMENT_CHECK_TYPE_FORCED_ENROLLMENT);
// This matches any serial hash since dividing by 1 always gives remainder 0.
enrollment_request->set_modulus(1);
enrollment_request->set_remainder(0);
SetPayload(device_management_request);
StartRequestAndWait();
EXPECT_EQ(GetResponseCode(), net::HTTP_OK);
ASSERT_TRUE(HasResponseBody());
auto response = GetDeviceManagementResponse();
EXPECT_THAT(response.auto_enrollment_response().hashes(),
UnorderedElementsAreArray({kTrimmedSHA256HashForBrandSerial}));
}
TEST_F(RequestHandlerForAutoEnrollmentTest,
HandleRequest_ForcedEnrollmentMismatchingRemainder) {
policy_storage()->SetInitialEnrollmentState(
kBrandSerial, PolicyStorage::InitialEnrollmentState{});
em::DeviceManagementRequest device_management_request;
em::DeviceAutoEnrollmentRequest* enrollment_request =
device_management_request.mutable_auto_enrollment_request();
enrollment_request->set_enrollment_check_type(
em::DeviceAutoEnrollmentRequest::ENROLLMENT_CHECK_TYPE_FORCED_ENROLLMENT);
// Set impossible remainder to ensure than no serial hash matches it.
enrollment_request->set_modulus(1);
enrollment_request->set_remainder(1);
SetPayload(device_management_request);
StartRequestAndWait();
EXPECT_EQ(GetResponseCode(), net::HTTP_OK);
ASSERT_TRUE(HasResponseBody());
auto response = GetDeviceManagementResponse();
EXPECT_THAT(response.auto_enrollment_response().hashes(), IsEmpty());
}
TEST_F(RequestHandlerForAutoEnrollmentTest, HandleRequest_ForcedReEnrollment) {
ClientStorage::ClientInfo client_info;
client_info.device_id = kDeviceId;
client_info.state_keys.push_back(kStateKey1);
client_info.state_keys.push_back(kStateKey2);
client_storage()->RegisterClient(client_info);
em::DeviceManagementRequest device_management_request;
em::DeviceAutoEnrollmentRequest* enrollment_request =
device_management_request.mutable_auto_enrollment_request();
enrollment_request->set_enrollment_check_type(
em::DeviceAutoEnrollmentRequest::ENROLLMENT_CHECK_TYPE_FRE);
// This matches any serial hash since dividing by 1 always gives remainder 0.
enrollment_request->set_modulus(1);
enrollment_request->set_remainder(0);
SetPayload(device_management_request);
StartRequestAndWait();
EXPECT_EQ(GetResponseCode(), net::HTTP_OK);
ASSERT_TRUE(HasResponseBody());
auto response = GetDeviceManagementResponse();
EXPECT_THAT(response.auto_enrollment_response().hashes(),
UnorderedElementsAreArray(
{kSHA256HashForStateKey1, kSHA256HashForStateKey2}));
}
TEST_F(RequestHandlerForAutoEnrollmentTest, HandleRequest_Modulus32) {
em::DeviceManagementRequest device_management_request;
em::DeviceAutoEnrollmentRequest* enrollment_request =
device_management_request.mutable_auto_enrollment_request();
enrollment_request->set_modulus(32);
SetPayload(device_management_request);
StartRequestAndWait();
EXPECT_EQ(GetResponseCode(), net::HTTP_OK);
ASSERT_TRUE(HasResponseBody());
auto response = GetDeviceManagementResponse();
EXPECT_EQ(response.auto_enrollment_response().expected_modulus(), 1);
}
} // namespace policy
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