1 files changed, 63 insertions, 0 deletions
diff --git a/chromium/sandbox/win/sandbox_poc/pocdll/registry.cc b/chromium/sandbox/win/sandbox_poc/pocdll/registry.cc
new file mode 100644
index 00000000000..7394ec4f18a
--- /dev/null
+++ b/chromium/sandbox/win/sandbox_poc/pocdll/registry.cc
@@ -0,0 +1,63 @@
+// Copyright (c) 2006-2008 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 "sandbox/win/sandbox_poc/pocdll/exports.h"
+#include "sandbox/win/sandbox_poc/pocdll/utils.h"
+
+// This file contains the tests used to verify the security of the registry.
+
+// Converts an HKEY to a string. This is using the lazy way and works only
+// for the main hives.
+// "key" is the hive to convert to string.
+// The return value is the string corresponding to the hive or "unknown"
+const wchar_t *HKEYToString(const HKEY key) {
+  switch (reinterpret_cast<LONG_PTR>(key)) {
+    case HKEY_CLASSES_ROOT:
+      return L"HKEY_CLASSES_ROOT";
+    case HKEY_CURRENT_CONFIG:
+      return L"HKEY_CURRENT_CONFIG";
+    case HKEY_CURRENT_USER:
+      return L"HKEY_CURRENT_USER";
+    case HKEY_LOCAL_MACHINE:
+      return L"HKEY_LOCAL_MACHINE";
+    case HKEY_USERS:
+      return L"HKEY_USERS";
+  }
+  return L"unknown";
+}
+
+// Tries to open the key hive\path and outputs the result.
+// "output" is the stream used for logging.
+void TryOpenKey(const HKEY hive, const wchar_t *path, FILE *output) {
+  HKEY key;
+  LONG err_code = ::RegOpenKeyEx(hive,
+                                 path,
+                                 0,  // Reserved, must be 0.
+                                 MAXIMUM_ALLOWED,
+                                 &key);
+  if (ERROR_SUCCESS == err_code) {
+    fprintf(output, "[GRANTED] Opening key \"%S\\%S\". Handle 0x%p\r\n",
+            HKEYToString(hive),
+            path,
+            key);
+    ::RegCloseKey(key);
+  } else {
+    fprintf(output, "[BLOCKED] Opening key \"%S\\%S\". Error %d\r\n",
+            HKEYToString(hive),
+            path,
+            err_code);
+  }
+}
+
+void POCDLL_API TestRegistry(HANDLE log) {
+  HandleToFile handle2file;
+  FILE *output = handle2file.Translate(log, "w");
+
+  TryOpenKey(HKEY_LOCAL_MACHINE, NULL, output);
+  TryOpenKey(HKEY_CURRENT_USER, NULL, output);
+  TryOpenKey(HKEY_USERS, NULL, output);
+  TryOpenKey(HKEY_LOCAL_MACHINE,
+             L"Software\\Microsoft\\Windows NT\\CurrentVersion\\WinLogon",
+             output);
+}