Restructure sandbox code to reduce dependencies pulled in by intercept code.

sandbox/win/src/sandbox_nt_util.h

 // Copyright (c) 2010 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.
 
 #ifndef SANDBOX_SRC_SANDBOX_NT_UTIL_H_
 #define SANDBOX_SRC_SANDBOX_NT_UTIL_H_
 
 #include <intrin.h>
 
 #include "base/basictypes.h"
@@ skipping 76 matching lines @@
   WRITE
 };
 
 // Performs basic user mode buffer validation. In any case, buffers access must
 // be protected by SEH. intent specifies if the buffer should be tested for read
 // or write.
 // Note that write intent implies destruction of the buffer content (we actually
 // write)
 bool ValidParameter(void* buffer, size_t size, RequiredAccess intent);
 
-
-// Copies data from a user buffer to our buffer. Returns the operation status.
-NTSTATUS CopyData(void* destination, const void* source, size_t bytes);
-
-// Copies the name from an object attributes.
-NTSTATUS AllocAndCopyName(const OBJECT_ATTRIBUTES* in_object,
-                          wchar_t** out_name, uint32* attributes, HANDLE* root);
-
 // Initializes our ntdll level heap
 bool InitHeap();
 
 // Returns true if the provided handle refers to the current process.
 bool IsSameProcess(HANDLE process);
 
 enum MappedModuleFlags {
   MODULE_IS_PE_IMAGE     = 1,   // Module is an executable.
   MODULE_HAS_ENTRY_POINT = 2,   // Execution entry point found.
   MODULE_HAS_CODE =        4    // Non zero size of executable sections.
@@ skipping 14 matching lines @@
 // InsertYourLogicHere(name);
 // operator delete(name, NT_ALLOC);
 UNICODE_STRING* GetImageInfoFromModule(HMODULE module, uint32* flags);
 
 // Returns the full path and filename for a given dll.
 // May return NULL if the provided address is not backed by a named section, or
 // if the current OS version doesn't support the call. The returned buffer must
 // be freed with a placement delete (see GetImageNameFromModule example).
 UNICODE_STRING* GetBackingFilePath(PVOID address);
 
-// Returns the last component of a path that contains the module name.
-// It will return NULL if the path ends with the path separator. The returned
-// buffer must be freed with a placement delete (see GetImageNameFromModule
-// example).
-UNICODE_STRING* ExtractModuleName(const UNICODE_STRING* module_path);
-
 // Returns true if the parameters correspond to a dll mapped as code.
 bool IsValidImageSection(HANDLE section, PVOID *base, PLARGE_INTEGER offset,
                          PSIZE_T view_size);
 
 // Converts an ansi string to an UNICODE_STRING.
 UNICODE_STRING* AnsiToUnicode(const char* string);
 
 // Provides a simple way to temporarily change the protection of a memory page.
 class AutoProtectMemory {
  public:
@@ skipping 21 matching lines @@
 
 // Returns true if the file_rename_information structure is supported by our
 // rename handler.
 bool IsSupportedRenameCall(FILE_RENAME_INFORMATION* file_info, DWORD length,
                            uint32 file_info_class);
 
 }  // namespace sandbox
 
 
 #endif  // SANDBOX_SRC_SANDBOX_NT_UTIL_H__