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1 // Copyright (c) 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 #ifndef SANDBOX_SRC_EAT_RESOLVER_H__
6 #define SANDBOX_SRC_EAT_RESOLVER_H__
7 
8 #include "base/basictypes.h"
9 #include "sandbox/win/src/nt_internals.h"
10 #include "sandbox/win/src/resolver.h"
11 
12 namespace sandbox {
13 
14 // This is the concrete resolver used to perform exports table interceptions.
15 class EatResolverThunk : public ResolverThunk {
16  public:
EatResolverThunk()17   EatResolverThunk() : eat_entry_(NULL) {}
~EatResolverThunk()18   virtual ~EatResolverThunk() {}
19 
20   // Implementation of Resolver::Setup.
21   virtual NTSTATUS Setup(const void* target_module,
22                          const void* interceptor_module,
23                          const char* target_name,
24                          const char* interceptor_name,
25                          const void* interceptor_entry_point,
26                          void* thunk_storage,
27                          size_t storage_bytes,
28                          size_t* storage_used);
29 
30   // Implementation of Resolver::ResolveTarget.
31   virtual NTSTATUS ResolveTarget(const void* module,
32                                  const char* function_name,
33                                  void** address);
34 
35   // Implementation of Resolver::GetThunkSize.
36   virtual size_t GetThunkSize() const;
37 
38  private:
39   // The entry to patch.
40   DWORD* eat_entry_;
41 
42   DISALLOW_COPY_AND_ASSIGN(EatResolverThunk);
43 };
44 
45 }  // namespace sandbox
46 
47 
48 #endif  // SANDBOX_SRC_EAT_RESOLVER_H__
49