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// Copyright 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/service_resolver.h"
#include "base/win/pe_image.h"
#include "sandbox/win/src/internal_types.h"
#include "sandbox/win/src/sandbox_nt_util.h"
namespace sandbox {
NTSTATUS ServiceResolverThunk::ResolveInterceptor(
const void* interceptor_module,
const char* interceptor_name,
const void** address) {
// After all, we are using a locally mapped version of the exe, so the
// action is the same as for a target function.
return ResolveTarget(interceptor_module, interceptor_name,
const_cast<void**>(address));
}
// In this case all the work is done from the parent, so resolve is
// just a simple GetProcAddress.
NTSTATUS ServiceResolverThunk::ResolveTarget(const void* module,
const char* function_name,
void** address) {
if (!module)
return STATUS_UNSUCCESSFUL;
base::win::PEImage module_image(module);
*address =
reinterpret_cast<void*>(module_image.GetProcAddress(function_name));
if (!*address) {
NOTREACHED_NT();
return STATUS_UNSUCCESSFUL;
}
return STATUS_SUCCESS;
}
void ServiceResolverThunk::AllowLocalPatches() {
ntdll_base_ = ::GetModuleHandle(kNtdllName);
}
} // namespace sandbox
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