Unify PolicyBase into TargetPolicy.

sandbox/win/src/named_pipe_dispatcher.cc

 // Copyright (c) 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 "sandbox/win/src/named_pipe_dispatcher.h"
 
 #include "base/basictypes.h"
 #include "base/strings/string_split.h"
 
 #include "sandbox/win/src/crosscall_client.h"
 #include "sandbox/win/src/interception.h"
 #include "sandbox/win/src/interceptors.h"
 #include "sandbox/win/src/ipc_tags.h"
 #include "sandbox/win/src/named_pipe_interception.h"
 #include "sandbox/win/src/named_pipe_policy.h"
 #include "sandbox/win/src/policy_broker.h"
 #include "sandbox/win/src/policy_params.h"
 #include "sandbox/win/src/sandbox.h"
 
 
 namespace sandbox {
 
-NamedPipeDispatcher::NamedPipeDispatcher(PolicyBase* policy_base)
-    : policy_base_(policy_base) {
+NamedPipeDispatcher::NamedPipeDispatcher(TargetPolicy* policy)
+    : policy_(policy) {
   static const IPCCall create_params = {
       {IPC_CREATENAMEDPIPEW_TAG,
        {WCHAR_TYPE,
         UINT32_TYPE,
         UINT32_TYPE,
         UINT32_TYPE,
         UINT32_TYPE,
         UINT32_TYPE,
         UINT32_TYPE}},
       reinterpret_cast<CallbackGeneric>(&NamedPipeDispatcher::CreateNamedPipe)};
@@ skipping 31 matching lines @@
              base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL)) {
       if (inner == dotdot)
         return true;
     }
   }
 
   const wchar_t* pipe_name = name->c_str();
   CountedParameterSet<NameBased> params;
   params[NameBased::NAME] = ParamPickerMake(pipe_name);
 
-  EvalResult eval = policy_base_->EvalPolicy(IPC_CREATENAMEDPIPEW_TAG,
-                                             params.GetBase());
+  EvalResult eval =
+      policy_->EvalPolicy(IPC_CREATENAMEDPIPEW_TAG, params.GetBase());
 
   // "For file I/O, the "\\?\" prefix to a path string tells the Windows APIs to
   // disable all string parsing and to send the string that follows it straight
   // to the file system."
   // http://msdn.microsoft.com/en-us/library/aa365247(VS.85).aspx
   // This ensures even if there is a path traversal in the pipe name, and it is
   // able to get past the checks above, it will still not be allowed to escape
   // our whitelisted namespace.
   if (name->compare(0, 4, L"\\\\.\\") == 0)
     name->replace(0, 4, L"\\\\\?\\");
 
   HANDLE pipe;
   DWORD ret = NamedPipePolicy::CreateNamedPipeAction(eval, *ipc->client_info,
                                                      *name, open_mode,
                                                      pipe_mode, max_instances,
                                                      out_buffer_size,
                                                      in_buffer_size,
                                                      default_timeout, &pipe);
 
   ipc->return_info.win32_result = ret;
   ipc->return_info.handle = pipe;
   return true;
 }
 
 }  // namespace sandbox