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
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
|
// 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.
// This file contains unit tests for PEImage.
#include <algorithm>
#include <vector>
#include "base/files/file_path.h"
#include "base/path_service.h"
#include "base/win/pe_image.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace base {
namespace win {
namespace {
// Just counts the number of invocations.
bool ImportsCallback(const PEImage& image,
LPCSTR module,
DWORD ordinal,
LPCSTR name,
DWORD hint,
PIMAGE_THUNK_DATA iat,
PVOID cookie) {
int* count = reinterpret_cast<int*>(cookie);
(*count)++;
return true;
}
// Just counts the number of invocations.
bool SectionsCallback(const PEImage& image,
PIMAGE_SECTION_HEADER header,
PVOID section_start,
DWORD section_size,
PVOID cookie) {
int* count = reinterpret_cast<int*>(cookie);
(*count)++;
return true;
}
// Just counts the number of invocations.
bool RelocsCallback(const PEImage& image,
WORD type,
PVOID address,
PVOID cookie) {
int* count = reinterpret_cast<int*>(cookie);
(*count)++;
return true;
}
// Just counts the number of invocations.
bool ImportChunksCallback(const PEImage& image,
LPCSTR module,
PIMAGE_THUNK_DATA name_table,
PIMAGE_THUNK_DATA iat,
PVOID cookie) {
int* count = reinterpret_cast<int*>(cookie);
(*count)++;
return true;
}
// Just counts the number of invocations.
bool DelayImportChunksCallback(const PEImage& image,
PImgDelayDescr delay_descriptor,
LPCSTR module,
PIMAGE_THUNK_DATA name_table,
PIMAGE_THUNK_DATA iat,
PIMAGE_THUNK_DATA bound_iat,
PIMAGE_THUNK_DATA unload_iat,
PVOID cookie) {
int* count = reinterpret_cast<int*>(cookie);
(*count)++;
return true;
}
// Just counts the number of invocations.
bool ExportsCallback(const PEImage& image,
DWORD ordinal,
DWORD hint,
LPCSTR name,
PVOID function,
LPCSTR forward,
PVOID cookie) {
int* count = reinterpret_cast<int*>(cookie);
(*count)++;
return true;
}
} // namespace
// Tests that we are able to enumerate stuff from a PE file, and that
// the actual number of items found matches an expected value.
TEST(PEImageTest, EnumeratesPE) {
base::FilePath pe_image_test_path;
ASSERT_TRUE(PathService::Get(DIR_TEST_DATA, &pe_image_test_path));
pe_image_test_path = pe_image_test_path.Append(FILE_PATH_LITERAL("pe_image"));
#if defined(ARCH_CPU_64_BITS)
pe_image_test_path =
pe_image_test_path.Append(FILE_PATH_LITERAL("pe_image_test_64.dll"));
const int sections = 6;
const int imports_dlls = 2;
const int delay_dlls = 2;
const int exports = 2;
const int imports = 69;
const int delay_imports = 2;
const int relocs = 632;
#else
pe_image_test_path =
pe_image_test_path.Append(FILE_PATH_LITERAL("pe_image_test_32.dll"));
const int sections = 5;
const int imports_dlls = 2;
const int delay_dlls = 2;
const int exports = 2;
const int imports = 66;
const int delay_imports = 2;
const int relocs = 1586;
#endif
HMODULE module = LoadLibrary(pe_image_test_path.value().c_str());
ASSERT_TRUE(NULL != module);
PEImage pe(module);
int count = 0;
EXPECT_TRUE(pe.VerifyMagic());
pe.EnumSections(SectionsCallback, &count);
EXPECT_EQ(sections, count);
count = 0;
pe.EnumImportChunks(ImportChunksCallback, &count);
EXPECT_EQ(imports_dlls, count);
count = 0;
pe.EnumDelayImportChunks(DelayImportChunksCallback, &count);
EXPECT_EQ(delay_dlls, count);
count = 0;
pe.EnumExports(ExportsCallback, &count);
EXPECT_EQ(exports, count);
count = 0;
pe.EnumAllImports(ImportsCallback, &count);
EXPECT_EQ(imports, count);
count = 0;
pe.EnumAllDelayImports(ImportsCallback, &count);
EXPECT_EQ(delay_imports, count);
count = 0;
pe.EnumRelocs(RelocsCallback, &count);
EXPECT_EQ(relocs, count);
FreeLibrary(module);
}
// Tests that we can locate an specific exported symbol, by name and by ordinal.
TEST(PEImageTest, RetrievesExports) {
HMODULE module = LoadLibrary(L"advapi32.dll");
ASSERT_TRUE(NULL != module);
PEImage pe(module);
WORD ordinal;
EXPECT_TRUE(pe.GetProcOrdinal("RegEnumKeyExW", &ordinal));
FARPROC address1 = pe.GetProcAddress("RegEnumKeyExW");
FARPROC address2 = pe.GetProcAddress(reinterpret_cast<char*>(ordinal));
EXPECT_TRUE(address1 != NULL);
EXPECT_TRUE(address2 != NULL);
EXPECT_TRUE(address1 == address2);
FreeLibrary(module);
}
// Test that we can get debug id out of a module.
TEST(PEImageTest, GetDebugId) {
HMODULE module = LoadLibrary(L"advapi32.dll");
ASSERT_TRUE(NULL != module);
PEImage pe(module);
GUID guid = {0};
DWORD age = 0;
EXPECT_TRUE(pe.GetDebugId(&guid, &age));
GUID empty_guid = {0};
EXPECT_TRUE(!IsEqualGUID(empty_guid, guid));
EXPECT_NE(0U, age);
FreeLibrary(module);
}
} // namespace win
} // namespace base
|
