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| 1 // Copyright (c) 2011 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 "chrome/nacl/nacl_main_platform_delegate.h" | |
| 6 | |
| 7 #include "base/command_line.h" | |
| 8 #include "base/files/file_path.h" | |
| 9 #include "base/logging.h" | |
| 10 #include "base/native_library.h" | |
| 11 #include "components/nacl/common/nacl_switches.h" | |
| 12 #include "sandbox/win/src/sandbox.h" | |
| 13 | |
| 14 NaClMainPlatformDelegate::NaClMainPlatformDelegate( | |
| 15 const content::MainFunctionParams& parameters) | |
| 16 : parameters_(parameters), sandbox_test_module_(NULL) { | |
| 17 } | |
| 18 | |
| 19 NaClMainPlatformDelegate::~NaClMainPlatformDelegate() { | |
| 20 } | |
| 21 | |
| 22 void NaClMainPlatformDelegate::PlatformInitialize() { | |
| 23 // Be mindful of what resources you acquire here. They can be used by | |
| 24 // malicious code if the renderer gets compromised. | |
| 25 } | |
| 26 | |
| 27 void NaClMainPlatformDelegate::PlatformUninitialize() { | |
| 28 } | |
| 29 | |
| 30 void NaClMainPlatformDelegate::InitSandboxTests(bool no_sandbox) { | |
| 31 const CommandLine& command_line = parameters_.command_line; | |
| 32 | |
| 33 DVLOG(1) << "Started NaClLdr with " << command_line.GetCommandLineString(); | |
| 34 | |
| 35 sandbox::TargetServices* target_services = | |
| 36 parameters_.sandbox_info->target_services; | |
| 37 | |
| 38 if (target_services && !no_sandbox) { | |
| 39 base::FilePath test_dll_name = | |
| 40 command_line.GetSwitchValuePath(switches::kTestNaClSandbox); | |
| 41 if (!test_dll_name.empty()) { | |
| 42 // At this point, hack on the suffix according to with bitness | |
| 43 // of your windows process. | |
| 44 #if defined(_WIN64) | |
| 45 DVLOG(1) << "Using 64-bit test dll\n"; | |
| 46 test_dll_name = test_dll_name.InsertBeforeExtension(L"64"); | |
| 47 test_dll_name = test_dll_name.ReplaceExtension(L"dll"); | |
| 48 #else | |
| 49 DVLOG(1) << "Using 32-bit test dll\n"; | |
| 50 test_dll_name = test_dll_name.ReplaceExtension(L"dll"); | |
| 51 #endif | |
| 52 DVLOG(1) << "Loading test lib " << test_dll_name.value() << "\n"; | |
| 53 sandbox_test_module_ = base::LoadNativeLibrary(test_dll_name, NULL); | |
| 54 CHECK(sandbox_test_module_); | |
| 55 VLOG(1) << "Testing NaCl sandbox\n"; | |
| 56 } | |
| 57 } | |
| 58 } | |
| 59 | |
| 60 void NaClMainPlatformDelegate::EnableSandbox() { | |
| 61 sandbox::TargetServices* target_services = | |
| 62 parameters_.sandbox_info->target_services; | |
| 63 | |
| 64 CHECK(target_services) << "NaCl-Win EnableSandbox: No Target Services!"; | |
| 65 // Cause advapi32 to load before the sandbox is turned on. | |
| 66 unsigned int dummy_rand; | |
| 67 rand_s(&dummy_rand); | |
| 68 // Warm up language subsystems before the sandbox is turned on. | |
| 69 ::GetUserDefaultLangID(); | |
| 70 ::GetUserDefaultLCID(); | |
| 71 // Turn the sandbox on. | |
| 72 target_services->LowerToken(); | |
| 73 } | |
| 74 | |
| 75 bool NaClMainPlatformDelegate::RunSandboxTests() { | |
| 76 // TODO(jvoung): Win and mac should share this code. | |
| 77 bool result = true; | |
| 78 if (sandbox_test_module_) { | |
| 79 RunNaClLoaderTests run_security_tests = | |
| 80 reinterpret_cast<RunNaClLoaderTests>( | |
| 81 base::GetFunctionPointerFromNativeLibrary(sandbox_test_module_, | |
| 82 kNaClLoaderTestCall)); | |
| 83 if (run_security_tests) { | |
| 84 DVLOG(1) << "Running NaCl Loader security tests"; | |
| 85 result = (*run_security_tests)(); | |
| 86 } else { | |
| 87 VLOG(1) << "Failed to get NaCl sandbox test function"; | |
| 88 result = false; | |
| 89 } | |
| 90 base::UnloadNativeLibrary(sandbox_test_module_); | |
| 91 sandbox_test_module_ = NULL; | |
| 92 } | |
| 93 return result; | |
| 94 } | |
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