Finch Blacklist is now added to the Hardcoded blacklist.

chrome_elf/blacklist/test/blacklist_test.cc

 // Copyright 2013 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.
 
 #include "base/environment.h"
 #include "base/files/file_path.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/i18n/case_conversion.h"
 #include "base/path_service.h"
 #include "base/scoped_native_library.h"
@@ skipping 14 matching lines @@
 
 const wchar_t kDll2Beacon[] = L"{F70A0100-2889-4629-9B44-610FE5C73231}";
 const wchar_t kDll3Beacon[] = L"{9E056AEC-169E-400c-B2D0-5A07E3ACE2EB}";
 
 extern const wchar_t* kEnvVars[];
 
 extern "C" {
 // When modifying the blacklist in the test process, use the exported test dll
 // functions on the test blacklist dll, not the ones linked into the test
 // executable itself.
+__declspec(dllimport) bool TestDll_AddDllsFromRegistryToBlacklist();
 __declspec(dllimport) bool TestDll_AddDllToBlacklist(const wchar_t* dll_name);
 __declspec(dllimport) bool TestDll_IsBlacklistInitialized();
 __declspec(dllimport) bool TestDll_RemoveDllFromBlacklist(
     const wchar_t* dll_name);
 __declspec(dllimport) bool TestDll_SuccessfullyBlocked(
     const wchar_t** blocked_dlls,
     int* size);
 }
 
 class BlacklistTest : public testing::Test {
@@ skipping 109 matching lines @@
   TestDll_SuccessfullyBlocked(NULL, &num_blocked_dlls);
   EXPECT_EQ(0, num_blocked_dlls);
 
   struct TestData {
     const wchar_t* dll_name;
     const wchar_t* dll_beacon;
   } test_data[] = {
     { kTestDllName2, kDll2Beacon },
     { kTestDllName3, kDll3Beacon }
   };
-  for (int i = 0 ; i < arraysize(test_data); ++i) {
+  for (int i = 0; i < arraysize(test_data); ++i) {
     // Add the DLL to the blacklist, ensure that it is not loaded both by
     // inspecting the handle returned by LoadLibrary and by looking for an
     // environment variable that is set when the DLL's entry point is called.
     EXPECT_TRUE(TestDll_AddDllToBlacklist(test_data[i].dll_name));
     base::ScopedNativeLibrary dll_blacklisted(
         current_dir.Append(test_data[i].dll_name));
     EXPECT_FALSE(dll_blacklisted.is_valid());
     EXPECT_EQ(0u, ::GetEnvironmentVariable(test_data[i].dll_beacon, NULL, 0));
     dll_blacklisted.Reset(NULL);
 
@@ skipping 25 matching lines @@
     dll_blacklisted_different_case.Reset(NULL);
 
     EXPECT_TRUE(TestDll_RemoveDllFromBlacklist(uppercase_name.c_str()));
 
     // The blocked dll was removed, so we shouldn't get anything returned
     // here.
     TestDll_SuccessfullyBlocked(NULL, &num_blocked_dlls);
     EXPECT_EQ(0, num_blocked_dlls);
   }
 }
+
+TEST_F(BlacklistTest, AddDllsFromRegistryToBlacklist) {
+  base::FilePath current_dir;
+  ASSERT_TRUE(PathService::Get(base::DIR_EXE, &current_dir));
+
+  // Ensure that the blacklist is loaded.
+  ASSERT_TRUE(TestDll_IsBlacklistInitialized());
+
+  base::win::RegKey finch_blacklist_registry_key(
+      HKEY_CURRENT_USER,
+      blacklist::kRegistryFinchListPath,
+      KEY_QUERY_VALUE | KEY_SET_VALUE);
+
+  int num_dlls = finch_blacklist_registry_key.GetValueCount();
+
+  // Collect any dll names currently stored in the regisry and delete them.
+  std::vector<std::wstring> dlls(num_dlls);
+  for (int i = 0; i < num_dlls; ++i) {
+    std::wstring name;
+    finch_blacklist_registry_key.GetValueNameAt(i, &name);
+
+    std::wstring value;
+    finch_blacklist_registry_key.ReadValue(name.c_str(), &value);
+
+      dlls[i] = value;

[robertshield, 2014/05/30 21:07:08]

indent (try running git cl format)

[krstnmnlsn, 2014/06/02 14:00:37]

Done.

+  }
+
+  for (int i = 0; i < num_dlls; ++i) {
+    finch_blacklist_registry_key.DeleteValue(dlls[i].c_str());
+  }
+
+  struct TestData {
+    const wchar_t* dll_name;
+    const wchar_t* dll_beacon;
+  } test_data[] = {
+    {kTestDllName2, kDll2Beacon},
+    {kTestDllName3, kDll3Beacon}
+  };
+
+  // Add the test dlls to the registry (with their name as both key and value).
+  for (int i = 0; i < arraysize(test_data); ++i) {
+    finch_blacklist_registry_key.WriteValue(
+      test_data[i].dll_name, test_data[i].dll_name);

[robertshield, 2014/05/30 21:07:08]

indent +2

[krstnmnlsn, 2014/06/02 14:00:37]

Done.

+  }
+
+  EXPECT_TRUE(TestDll_AddDllsFromRegistryToBlacklist());
+
+  for (int i = 0; i < arraysize(test_data); ++i) {
+    // Ensure that the dll has not been loaded both by
+    // inspecting the handle returned by LoadLibrary and by looking for an
+    // environment variable that is set when the DLL's entry point is called.
+    base::ScopedNativeLibrary dll_blacklisted(
+        current_dir.Append(test_data[i].dll_name));
+    EXPECT_FALSE(dll_blacklisted.is_valid());
+    EXPECT_EQ(0u, ::GetEnvironmentVariable(test_data[i].dll_beacon, NULL, 0));
+    dll_blacklisted.Reset(NULL);
+
+    // Ensure that the dll is recorded as blocked.
+    int array_size = 1;
+    const wchar_t* blocked_dll = NULL;
+    TestDll_SuccessfullyBlocked(&blocked_dll, &array_size);
+    EXPECT_EQ(1, array_size);
+    EXPECT_EQ(test_data[i].dll_name, base::string16(blocked_dll));
+
+    // Remove the DLL from the blacklist. Ensure that it loads and that its
+    // entry point was called.
+    EXPECT_TRUE(TestDll_RemoveDllFromBlacklist(test_data[i].dll_name));
+    base::ScopedNativeLibrary dll(current_dir.Append(test_data[i].dll_name));
+    EXPECT_TRUE(dll.is_valid());
+    EXPECT_NE(0u, ::GetEnvironmentVariable(test_data[i].dll_beacon, NULL, 0));
+    dll.Reset(NULL);
+
+    ::SetEnvironmentVariable(test_data[i].dll_beacon, NULL);
+
+    // The blocked dll was removed, so we shouldn't get anything returned
+    // here.
+    int num_blocked_dlls = 0;
+    TestDll_SuccessfullyBlocked(NULL, &num_blocked_dlls);
+    EXPECT_EQ(0, num_blocked_dlls);
+  }
+}