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1 // Copyright 2005-2009 Google Inc. | |
2 // | |
3 // Licensed under the Apache License, Version 2.0 (the "License"); | |
4 // you may not use this file except in compliance with the License. | |
5 // You may obtain a copy of the License at | |
6 // | |
7 // http://www.apache.org/licenses/LICENSE-2.0 | |
8 // | |
9 // Unless required by applicable law or agreed to in writing, software | |
10 // distributed under the License is distributed on an "AS IS" BASIS, | |
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
12 // See the License for the specific language governing permissions and | |
13 // limitations under the License. | |
14 // ======================================================================== | |
15 // | |
16 // Unittests for pe_utils | |
17 | |
18 | |
19 #include "omaha/base/debug.h" | |
20 #include "omaha/base/file.h" | |
21 #include "omaha/base/pe_utils.h" | |
22 #include "omaha/base/utils.h" | |
23 #include "omaha/testing/unit_test.h" | |
24 | |
25 namespace omaha { | |
26 | |
27 TEST(PEUtilsTest, PEUtils) { | |
28 // Get some known directories | |
29 CString windows_dir; | |
30 CString temp_dir; | |
31 DWORD dw = ::GetEnvironmentVariable(L"SystemRoot", | |
32 CStrBuf(windows_dir, MAX_PATH), MAX_PATH); | |
33 ASSERT_TRUE(dw); | |
34 dw = ::GetEnvironmentVariable(L"TEMP", CStrBuf(temp_dir, MAX_PATH), MAX_PATH); | |
35 ASSERT_TRUE(dw); | |
36 | |
37 // Get a known executable to play with | |
38 CString notepad(windows_dir + L"\\NOTEPAD.EXE"); | |
39 ASSERT_TRUE(File::Exists(notepad)); | |
40 | |
41 CString temp_exe(temp_dir + L"\\pe_utils_test.exe"); | |
42 if (File::Exists(temp_exe)) { | |
43 File::Remove(temp_exe); | |
44 } | |
45 ASSERT_FALSE(File::Exists(temp_exe)); | |
46 ASSERT_SUCCEEDED(File::Copy(notepad, temp_exe, true)); | |
47 | |
48 // Stomp on its checksum and check the result | |
49 const unsigned int kChk1 = 0xFEE1BAD; | |
50 const unsigned int kChk2 = 0x600DF00D; | |
51 | |
52 unsigned int checksum = 0; | |
53 | |
54 // Test Get/SetPEChecksum | |
55 ASSERT_SUCCEEDED(SetPEChecksum(temp_exe, kChk1)); | |
56 ASSERT_SUCCEEDED(GetPEChecksum(temp_exe, &checksum)); | |
57 ASSERT_EQ(kChk1, checksum); | |
58 | |
59 ASSERT_SUCCEEDED(SetPEChecksum(temp_exe, kChk2)); | |
60 ASSERT_SUCCEEDED(GetPEChecksum(temp_exe, &checksum)); | |
61 ASSERT_EQ(kChk2, checksum); | |
62 | |
63 // Test GetPEChecksumFromBuffer/SetPEChecksumToBuffer | |
64 std::vector<byte> buffer; | |
65 ASSERT_SUCCEEDED(ReadEntireFile(temp_exe, 0, &buffer)); | |
66 | |
67 int buffer_data_len = buffer.size(); | |
68 uint8 *buffer_data = reinterpret_cast<uint8*>(&buffer.front()); | |
69 | |
70 ASSERT_SUCCEEDED(SetPEChecksumToBuffer(buffer_data, buffer_data_len, kChk1)); | |
71 ASSERT_SUCCEEDED(GetPEChecksumFromBuffer(buffer_data, | |
72 buffer_data_len, | |
73 &checksum)); | |
74 ASSERT_EQ(kChk1, checksum); | |
75 | |
76 ASSERT_SUCCEEDED(SetPEChecksumToBuffer(buffer_data, buffer_data_len, kChk2)); | |
77 ASSERT_SUCCEEDED(GetPEChecksumFromBuffer(buffer_data, | |
78 buffer_data_len, | |
79 &checksum)); | |
80 ASSERT_EQ(kChk2, checksum); | |
81 | |
82 // Clean up | |
83 ASSERT_SUCCEEDED(File::Remove(temp_exe)); | |
84 } | |
85 | |
86 } // namespace omaha | |
87 | |
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