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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include <stdint.h> |
| 6 #include <windows.h> |
| 7 |
| 8 #include <algorithm> |
| 9 #include <vector> |
| 10 |
| 11 #include "base/base_paths.h" |
| 12 #include "base/basictypes.h" |
| 13 #include "base/compiler_specific.h" |
| 14 #include "base/files/file_path.h" |
| 15 #include "base/files/memory_mapped_file.h" |
| 16 #include "base/path_service.h" |
| 17 #include "base/strings/string_util.h" |
| 18 #include "base/win/pe_image.h" |
| 19 #include "testing/gtest/include/gtest/gtest.h" |
| 20 |
| 21 namespace { |
| 22 |
| 23 class ELFImportsTest : public testing::Test { |
| 24 protected: |
| 25 static bool ImportsCallback(const base::win::PEImage &image, |
| 26 LPCSTR module, |
| 27 PIMAGE_THUNK_DATA name_table, |
| 28 PIMAGE_THUNK_DATA iat, |
| 29 PVOID cookie) { |
| 30 std::vector<std::string>* import_list = |
| 31 reinterpret_cast<std::vector<std::string>*>(cookie); |
| 32 import_list->push_back(module); |
| 33 return true; |
| 34 } |
| 35 |
| 36 void GetImports(const base::FilePath& module_path, |
| 37 std::vector<std::string>* imports) { |
| 38 |
| 39 ASSERT_TRUE(imports != NULL); |
| 40 |
| 41 base::MemoryMappedFile module_mmap; |
| 42 |
| 43 ASSERT_TRUE(module_mmap.Initialize(module_path)); |
| 44 base::win::PEImageAsData pe_image_data( |
| 45 reinterpret_cast<HMODULE>(const_cast<uint8*>(module_mmap.data()))); |
| 46 pe_image_data.EnumImportChunks(ELFImportsTest::ImportsCallback, imports); |
| 47 } |
| 48 }; |
| 49 |
| 50 TEST_F(ELFImportsTest, ChromeElfSanityCheck) { |
| 51 std::vector<std::string> elf_imports; |
| 52 |
| 53 base::FilePath dll; |
| 54 ASSERT_TRUE(PathService::Get(base::DIR_EXE, &dll)); |
| 55 dll = dll.Append(L"chrome_elf.dll"); |
| 56 GetImports(dll, &elf_imports); |
| 57 |
| 58 // Check that ELF has imports. |
| 59 ASSERT_LT(0u, elf_imports.size()); |
| 60 |
| 61 std::vector<std::string>::iterator it(elf_imports.begin()); |
| 62 |
| 63 static const char* const kValidFilePatterns[] = { |
| 64 "KERNEL32.dll", |
| 65 "MSVC*", |
| 66 "ADVAPI32.dll"}; |
| 67 |
| 68 // Make sure all of ELF's imports are in the valid imports list. |
| 69 for (; it != elf_imports.end(); it++) { |
| 70 bool match = false; |
| 71 for (int i = 0; i < arraysize(kValidFilePatterns); ++i) { |
| 72 if (MatchPattern(*it, kValidFilePatterns[i])) |
| 73 match = true; |
| 74 } |
| 75 ASSERT_TRUE(match) << "Illegal import in chrome_elf.dll."; |
| 76 } |
| 77 } |
| 78 |
| 79 TEST_F(ELFImportsTest, ChromeExeSanityCheck) { |
| 80 std::vector<std::string> exe_imports; |
| 81 |
| 82 base::FilePath exe; |
| 83 ASSERT_TRUE(PathService::Get(base::DIR_EXE, &exe)); |
| 84 exe = exe.Append(L"chrome.exe"); |
| 85 GetImports(exe, &exe_imports); |
| 86 |
| 87 // Check that chrome.exe has imports. |
| 88 ASSERT_LT(0u, exe_imports.size()); |
| 89 |
| 90 // Chrome.exe's first import must be ELF. |
| 91 EXPECT_EQ("chrome_elf.dll", exe_imports[0]) << |
| 92 "Illegal import order in chrome.exe"; |
| 93 } |
| 94 |
| 95 } // namespace |
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