1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
// -*- 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;
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;
delete bc;
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
|
