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Side by Side Diff: sandbox/wow_helper/service64_resolver.h

Issue 10783004: Move Windows Sandbox, trybots version (don't commit me!) (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Rebase to top of tree Created 8 years, 5 months ago
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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_WOW_HELPER_SERVICE64_RESOLVER_H__
6 #define SANDBOX_WOW_HELPER_SERVICE64_RESOLVER_H__
7
8 #include "sandbox/src/nt_internals.h"
9 #include "sandbox/src/resolver.h"
10
11 namespace sandbox {
12
13 // This is the concrete resolver used to perform service-call type functions
14 // inside ntdll.dll (64-bit).
15 class Service64ResolverThunk : public ResolverThunk {
16 public:
17 // The service resolver needs a child process to write to.
18 explicit Service64ResolverThunk(HANDLE process)
19 : process_(process), ntdll_base_(NULL) {}
20 virtual ~Service64ResolverThunk() {}
21
22 // Implementation of Resolver::Setup.
23 virtual NTSTATUS Setup(const void* target_module,
24 const void* interceptor_module,
25 const char* target_name,
26 const char* interceptor_name,
27 const void* interceptor_entry_point,
28 void* thunk_storage,
29 size_t storage_bytes,
30 size_t* storage_used);
31
32 // Implementation of Resolver::ResolveInterceptor.
33 virtual NTSTATUS ResolveInterceptor(const void* module,
34 const char* function_name,
35 const void** address);
36
37 // Implementation of Resolver::ResolveTarget.
38 virtual NTSTATUS ResolveTarget(const void* module,
39 const char* function_name,
40 void** address);
41
42 // Implementation of Resolver::GetThunkSize.
43 virtual size_t GetThunkSize() const;
44
45 protected:
46 // The unit test will use this member to allow local patch on a buffer.
47 HMODULE ntdll_base_;
48
49 // Handle of the child process.
50 HANDLE process_;
51
52 private:
53 // Returns true if the code pointer by target_ corresponds to the expected
54 // type of function. Saves that code on the first part of the thunk pointed
55 // by local_thunk (should be directly accessible from the parent).
56 virtual bool IsFunctionAService(void* local_thunk) const;
57
58 // Performs the actual patch of target_.
59 // local_thunk must be already fully initialized, and the first part must
60 // contain the original code. The real type of this buffer is ServiceFullThunk
61 // (yes, private). remote_thunk (real type ServiceFullThunk), must be
62 // allocated on the child, and will contain the thunk data, after this call.
63 // Returns the apropriate status code.
64 virtual NTSTATUS PerformPatch(void* local_thunk, void* remote_thunk);
65
66 DISALLOW_COPY_AND_ASSIGN(Service64ResolverThunk);
67 };
68
69 } // namespace sandbox
70
71
72 #endif // SANDBOX_WOW_HELPER_SERVICE64_RESOLVER_H__
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