Move the Windows sandbox to sandbox/win

sandbox/src/resolver_32.cc

-// Copyright (c) 2006-2010 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.
-
-#include "sandbox/src/resolver.h"
-
-#include "sandbox/src/sandbox_nt_util.h"
-
-namespace {
-
-#pragma pack(push, 1)
-struct InternalThunk {
-  // This struct contains roughly the following code:
-  // sub esp, 8                             // Create working space
-  // push edx                               // Save register
-  // mov edx, [esp + 0xc]                   // Get return adddress
-  // mov [esp + 8], edx                     // Store return address
-  // mov dword ptr [esp + 0xc], 0x7c401200  // Store extra argument
-  // mov dword ptr [esp + 4], 0x40010203    // Store address to jump to
-  // pop edx                                // Restore register
-  // ret                                    // Jump to interceptor
-  //
-  // This code only modifies esp and eip so it must work with to normal calling
-  // convention. It is assembled as:
-  //
-  // 00 83ec08           sub     esp,8
-  // 03 52               push    edx
-  // 04 8b54240c         mov     edx,dword ptr [esp + 0Ch]
-  // 08 89542408         mov     dword ptr [esp + 8], edx
-  // 0c c744240c0012407c mov     dword ptr [esp + 0Ch], 7C401200h
-  // 14 c744240403020140 mov     dword ptr [esp + 4], 40010203h
-  // 1c 5a               pop     edx
-  // 1d c3               ret
-  InternalThunk() {
-    opcodes_1 = 0x5208ec83;
-    opcodes_2 = 0x0c24548b;
-    opcodes_3 = 0x08245489;
-    opcodes_4 = 0x0c2444c7;
-    opcodes_5 = 0x042444c7;
-    opcodes_6 = 0xc35a;
-    extra_argument = 0;
-    interceptor_function = 0;
-  };
-  ULONG opcodes_1;         // = 0x5208ec83
-  ULONG opcodes_2;         // = 0x0c24548b
-  ULONG opcodes_3;         // = 0x08245489
-  ULONG opcodes_4;         // = 0x0c2444c7
-  ULONG extra_argument;
-  ULONG opcodes_5;         // = 0x042444c7
-  ULONG interceptor_function;
-  USHORT opcodes_6;         // = 0xc35a
-};
-#pragma pack(pop)
-
-};  // namespace
-
-namespace sandbox {
-
-bool ResolverThunk::SetInternalThunk(void* storage, size_t storage_bytes,
-                                     const void* original_function,
-                                     const void* interceptor) {
-  if (storage_bytes < sizeof(InternalThunk))
-    return false;
-
-  InternalThunk* thunk = new(storage, NT_PLACE) InternalThunk;
-
-#pragma warning(push)
-#pragma warning(disable: 4311)
-  // These casts generate warnings because they are 32 bit specific.
-  thunk->interceptor_function = reinterpret_cast<ULONG>(interceptor);
-  thunk->extra_argument = reinterpret_cast<ULONG>(original_function);
-#pragma warning(pop)
-
-  return true;
-}
-
-size_t ResolverThunk::GetInternalThunkSize() const {
-  return sizeof(InternalThunk);
-}
-
-NTSTATUS ResolverThunk::ResolveTarget(const void* module,
-                                      const char* function_name,
-                                      void** address) {
-  const void** casted = const_cast<const void**>(address);
-  return ResolverThunk::ResolveInterceptor(module, function_name, casted);
-}
-
-}  // namespace sandbox