1// Copyright (c) 2006-2010 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "sandbox/win/src/service_resolver.h"
6
7#include "base/logging.h"
8#include "base/win/pe_image.h"
9
10namespace sandbox {
11
12NTSTATUS ServiceResolverThunk::ResolveInterceptor(
13    const void* interceptor_module,
14    const char* interceptor_name,
15    const void** address) {
16  // After all, we are using a locally mapped version of the exe, so the
17  // action is the same as for a target function.
18  return ResolveTarget(interceptor_module, interceptor_name,
19                       const_cast<void**>(address));
20}
21
22// In this case all the work is done from the parent, so resolve is
23// just a simple GetProcAddress.
24NTSTATUS ServiceResolverThunk::ResolveTarget(const void* module,
25                                             const char* function_name,
26                                             void** address) {
27  DCHECK(address);
28  if (NULL == module)
29    return STATUS_UNSUCCESSFUL;
30
31  base::win::PEImage module_image(module);
32  *address = module_image.GetProcAddress(function_name);
33
34  if (NULL == *address) {
35    NOTREACHED();
36    return STATUS_UNSUCCESSFUL;
37  }
38
39  return STATUS_SUCCESS;
40}
41
42}  // namespace sandbox
43