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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_fixture.h"
#include "librbd/crypto/BlockCrypto.h"
#include "test/librbd/mock/crypto/MockDataCryptor.h"
#include "librbd/crypto/BlockCrypto.cc"
template class librbd::crypto::BlockCrypto<
librbd::crypto::MockCryptoContext>;
using ::testing::ExpectationSet;
using ::testing::internal::ExpectationBase;
using ::testing::Invoke;
using ::testing::Return;
using ::testing::WithArg;
using ::testing::_;
namespace librbd {
namespace crypto {
MATCHER_P(CompareArrayToString, s, "") {
return (memcmp(arg, s.c_str(), s.length()) == 0);
}
struct TestMockCryptoBlockCrypto : public TestFixture {
MockDataCryptor* cryptor;
ceph::ref_t<BlockCrypto<MockCryptoContext>> bc;
int cryptor_block_size = 16;
int cryptor_iv_size = 16;
int block_size = 4096;
int data_offset = 0;
ExpectationSet* expectation_set;
void SetUp() override {
TestFixture::SetUp();
cryptor = new MockDataCryptor();
cryptor->block_size = cryptor_block_size;
bc = new BlockCrypto<MockCryptoContext>(
reinterpret_cast<CephContext*>(m_ioctx.cct()), cryptor,
block_size, data_offset);
expectation_set = new ExpectationSet();
}
void TearDown() override {
delete expectation_set;
bc->put();
TestFixture::TearDown();
}
void expect_get_context(CipherMode mode) {
_set_last_expectation(
EXPECT_CALL(*cryptor, get_context(mode))
.After(*expectation_set).WillOnce(Return(
new MockCryptoContext())));
}
void expect_return_context(CipherMode mode) {
_set_last_expectation(
EXPECT_CALL(*cryptor, return_context(_, mode))
.After(*expectation_set).WillOnce(WithArg<0>(
Invoke([](MockCryptoContext* ctx) {
delete ctx;
}))));
}
void expect_init_context(const std::string& iv) {
_set_last_expectation(
EXPECT_CALL(*cryptor, init_context(_, CompareArrayToString(iv),
cryptor_iv_size))
.After(*expectation_set));
}
void expect_update_context(const std::string& in_str, int out_ret) {
_set_last_expectation(
EXPECT_CALL(*cryptor, update_context(_,
CompareArrayToString(in_str),
_, in_str.length()))
.After(*expectation_set).WillOnce(Return(out_ret)));
}
void _set_last_expectation(ExpectationBase& expectation) {
delete expectation_set;
expectation_set = new ExpectationSet(expectation);
}
};
TEST_F(TestMockCryptoBlockCrypto, Encrypt) {
uint32_t image_offset = 0x1230 * 512;
ceph::bufferlist data1;
data1.append(std::string(2048, '1'));
ceph::bufferlist data2;
data2.append(std::string(4096, '2'));
ceph::bufferlist data3;
data3.append(std::string(2048, '3'));
ceph::bufferlist data;
data.claim_append(data1);
data.claim_append(data2);
data.claim_append(data3);
expect_get_context(CipherMode::CIPHER_MODE_ENC);
expect_init_context(std::string("\x30\x12\0\0\0\0\0\0\0\0\0\0\0\0\0\0", 16));
expect_update_context(std::string(2048, '1') + std::string(2048, '2'), 4096);
expect_init_context(std::string("\x38\x12\0\0\0\0\0\0\0\0\0\0\0\0\0\0", 16));
expect_update_context(std::string(2048, '2') + std::string(2048, '3'), 4096);
expect_return_context(CipherMode::CIPHER_MODE_ENC);
ASSERT_EQ(0, bc->encrypt(&data, image_offset));
ASSERT_EQ(data.length(), 8192);
}
TEST_F(TestMockCryptoBlockCrypto, UnalignedImageOffset) {
ceph::bufferlist data;
data.append(std::string(4096, '1'));
ASSERT_EQ(-EINVAL, bc->encrypt(&data, 2));
}
TEST_F(TestMockCryptoBlockCrypto, UnalignedDataLength) {
ceph::bufferlist data;
data.append(std::string(512, '1'));
ASSERT_EQ(-EINVAL, bc->encrypt(&data, 0));
}
TEST_F(TestMockCryptoBlockCrypto, GetContextError) {
ceph::bufferlist data;
data.append(std::string(4096, '1'));
EXPECT_CALL(*cryptor, get_context(CipherMode::CIPHER_MODE_ENC)).WillOnce(
Return(nullptr));
ASSERT_EQ(-EIO, bc->encrypt(&data, 0));
}
TEST_F(TestMockCryptoBlockCrypto, InitContextError) {
ceph::bufferlist data;
data.append(std::string(4096, '1'));
expect_get_context(CipherMode::CIPHER_MODE_ENC);
EXPECT_CALL(*cryptor, init_context(_, _, _)).WillOnce(Return(-123));
expect_return_context(CipherMode::CIPHER_MODE_ENC);
ASSERT_EQ(-123, bc->encrypt(&data, 0));
}
TEST_F(TestMockCryptoBlockCrypto, UpdateContextError) {
ceph::bufferlist data;
data.append(std::string(4096, '1'));
expect_get_context(CipherMode::CIPHER_MODE_ENC);
EXPECT_CALL(*cryptor, init_context(_, _, _));
EXPECT_CALL(*cryptor, update_context(_, _, _, _)).WillOnce(Return(-123));
expect_return_context(CipherMode::CIPHER_MODE_ENC);
ASSERT_EQ(-123, bc->encrypt(&data, 0));
}
} // namespace crypto
} // namespace librbd
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