Finch Blacklist is now added to the Hardcoded blacklist.

chrome_elf/blacklist/test/blacklist_test.cc

Index: chrome_elf/blacklist/test/blacklist_test.cc
diff --git a/chrome_elf/blacklist/test/blacklist_test.cc b/chrome_elf/blacklist/test/blacklist_test.cc
index 05aeb14f1b123611451b66dd3111cc8665f8ef85..9ab3c7a1dc2da6e2e0ac0cdb2de7c9a11c4305a1 100644
--- a/chrome_elf/blacklist/test/blacklist_test.cc
+++ b/chrome_elf/blacklist/test/blacklist_test.cc
@@ -32,6 +32,7 @@ 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(
@@ -161,7 +162,7 @@ TEST_F(BlacklistTest, LoadBlacklistedLibrary) {
     { 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.
@@ -207,3 +208,81 @@ TEST_F(BlacklistTest, LoadBlacklistedLibrary) {
     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, 2014/06/03 03:03:00]

prefer dlls.push_back(value);

[krstnmnlsn, 2014/06/03 19:30:16]

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);
+  }
+
+  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);
+  }
+}