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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#include "test/librbd/test_mock_fixture.h"
#include "test/librbd/test_support.h"
#include "test/librbd/mock/MockImageCtx.h"
namespace librbd {
namespace util {
inline ImageCtx *get_image_ctx(MockImageCtx *image_ctx) {
return image_ctx->image_ctx;
}
} // namespace util
} // namespace librbd
#include "librbd/crypto/luks/FormatRequest.cc"
namespace librbd {
namespace crypto {
namespace luks {
using ::testing::_;
using ::testing::Invoke;
using ::testing::Return;
struct TestMockCryptoLuksFormatRequest : public TestMockFixture {
typedef FormatRequest<librbd::MockImageCtx> MockFormatRequest;
const size_t OBJECT_SIZE = 4 * 1024 * 1024;
const size_t IMAGE_SIZE = 1024 * 1024 * 1024;
const char* passphrase_cstr = "password";
std::string passphrase = passphrase_cstr;
MockImageCtx* mock_image_ctx;
C_SaferCond finished_cond;
Context *on_finish = &finished_cond;
io::AioCompletion* aio_comp;
ceph::bufferlist header_bl;
ceph::ref_t<CryptoInterface> crypto;
void SetUp() override {
TestMockFixture::SetUp();
librbd::ImageCtx *ictx;
ASSERT_EQ(0, open_image(m_image_name, &ictx));
mock_image_ctx = new MockImageCtx(*ictx);
crypto = nullptr;
}
void TearDown() override {
if (crypto != nullptr) {
crypto->put();
crypto = nullptr;
}
delete mock_image_ctx;
TestMockFixture::TearDown();
}
void expect_get_object_size() {
EXPECT_CALL(*mock_image_ctx, get_object_size()).WillOnce(Return(
OBJECT_SIZE));
}
void expect_get_image_size(uint64_t image_size) {
EXPECT_CALL(*mock_image_ctx, get_image_size(CEPH_NOSNAP)).WillOnce(Return(
image_size));
}
void expect_image_write() {
EXPECT_CALL(*mock_image_ctx->io_image_dispatcher, send(_))
.WillOnce(Invoke([this](io::ImageDispatchSpec* spec) {
auto* write = boost::get<io::ImageDispatchSpec::Write>(
&spec->request);
ASSERT_TRUE(write != nullptr);
ASSERT_EQ(1, spec->image_extents.size());
ASSERT_EQ(0, spec->image_extents[0].first);
ASSERT_GT(spec->image_extents[0].second, 0);
spec->dispatch_result = io::DISPATCH_RESULT_COMPLETE;
aio_comp = spec->aio_comp;
header_bl = write->bl;
}));
}
void complete_aio(int r) {
if (r < 0) {
aio_comp->fail(r);
} else {
aio_comp->set_request_count(1);
aio_comp->add_request();
aio_comp->complete_request(r);
}
}
void verify_header(const char* expected_format, size_t expected_key_length,
uint64_t expected_sector_size) {
Header header(mock_image_ctx->cct);
ASSERT_EQ(0, header.init());
ASSERT_EQ(0, header.write(header_bl));
ASSERT_EQ(0, header.load(expected_format));
ASSERT_EQ(expected_sector_size, header.get_sector_size());
ASSERT_EQ(0, header.get_data_offset() % OBJECT_SIZE);
char volume_key[64];
size_t volume_key_size = sizeof(volume_key);
ASSERT_EQ(0, header.read_volume_key(
passphrase_cstr, strlen(passphrase_cstr),
reinterpret_cast<char*>(volume_key), &volume_key_size));
ASSERT_EQ(expected_key_length, crypto->get_key_length());
ASSERT_EQ(0, std::memcmp(
volume_key, crypto->get_key(), expected_key_length));
ASSERT_EQ(expected_sector_size, crypto->get_block_size());
ASSERT_EQ(header.get_data_offset(), crypto->get_data_offset());
}
};
TEST_F(TestMockCryptoLuksFormatRequest, LUKS1) {
auto mock_format_request = MockFormatRequest::create(
mock_image_ctx, RBD_ENCRYPTION_FORMAT_LUKS1,
RBD_ENCRYPTION_ALGORITHM_AES128, std::move(passphrase), &crypto,
on_finish, true);
expect_get_object_size();
expect_get_image_size(IMAGE_SIZE);
expect_image_write();
mock_format_request->send();
ASSERT_EQ(ETIMEDOUT, finished_cond.wait_for(0));
complete_aio(0);
ASSERT_EQ(0, finished_cond.wait());
ASSERT_NO_FATAL_FAILURE(verify_header(CRYPT_LUKS1, 32, 512));
}
TEST_F(TestMockCryptoLuksFormatRequest, AES128) {
auto mock_format_request = MockFormatRequest::create(
mock_image_ctx, RBD_ENCRYPTION_FORMAT_LUKS2,
RBD_ENCRYPTION_ALGORITHM_AES128, std::move(passphrase), &crypto,
on_finish, true);
expect_get_object_size();
expect_get_image_size(IMAGE_SIZE);
expect_image_write();
mock_format_request->send();
ASSERT_EQ(ETIMEDOUT, finished_cond.wait_for(0));
complete_aio(0);
ASSERT_EQ(0, finished_cond.wait());
ASSERT_NO_FATAL_FAILURE(verify_header(CRYPT_LUKS2, 32, 4096));
}
TEST_F(TestMockCryptoLuksFormatRequest, AES256) {
auto mock_format_request = MockFormatRequest::create(
mock_image_ctx, RBD_ENCRYPTION_FORMAT_LUKS2,
RBD_ENCRYPTION_ALGORITHM_AES256, std::move(passphrase), &crypto,
on_finish, true);
expect_get_object_size();
expect_get_image_size(IMAGE_SIZE);
expect_image_write();
mock_format_request->send();
ASSERT_EQ(ETIMEDOUT, finished_cond.wait_for(0));
complete_aio(0);
ASSERT_EQ(0, finished_cond.wait());
ASSERT_NO_FATAL_FAILURE(verify_header(CRYPT_LUKS2, 64, 4096));
}
TEST_F(TestMockCryptoLuksFormatRequest, ImageTooSmall) {
auto mock_format_request = MockFormatRequest::create(
mock_image_ctx, RBD_ENCRYPTION_FORMAT_LUKS2,
RBD_ENCRYPTION_ALGORITHM_AES256, std::move(passphrase), &crypto,
on_finish, true);
expect_get_object_size();
expect_get_image_size(1024*1024);
mock_format_request->send();
ASSERT_EQ(-ENOSPC, finished_cond.wait());
}
TEST_F(TestMockCryptoLuksFormatRequest, WriteFail) {
auto mock_format_request = MockFormatRequest::create(
mock_image_ctx, RBD_ENCRYPTION_FORMAT_LUKS2,
RBD_ENCRYPTION_ALGORITHM_AES256, std::move(passphrase), &crypto,
on_finish, true);
expect_get_object_size();
expect_get_image_size(IMAGE_SIZE);
expect_image_write();
mock_format_request->send();
ASSERT_EQ(ETIMEDOUT, finished_cond.wait_for(0));
complete_aio(-123);
ASSERT_EQ(-123, finished_cond.wait());
}
} // namespace luks
} // namespace crypto
} // namespace librbd
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