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Side by Side Diff: sandbox/win/src/sidestep_resolver.h

Issue 1851213002: Remove sandbox on Windows. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: fix nacl compile issues Created 4 years, 8 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_SRC_SIDESTEP_RESOLVER_H__
6 #define SANDBOX_SRC_SIDESTEP_RESOLVER_H__
7
8 #include <stddef.h>
9
10 #include "base/macros.h"
11 #include "sandbox/win/src/nt_internals.h"
12 #include "sandbox/win/src/resolver.h"
13
14 namespace sandbox {
15
16 // This is the concrete resolver used to perform sidestep interceptions.
17 class SidestepResolverThunk : public ResolverThunk {
18 public:
19 SidestepResolverThunk() {}
20 ~SidestepResolverThunk() override {}
21
22 // Implementation of Resolver::Setup.
23 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) override;
31
32 // Implementation of Resolver::GetThunkSize.
33 size_t GetThunkSize() const override;
34
35 private:
36 DISALLOW_COPY_AND_ASSIGN(SidestepResolverThunk);
37 };
38
39 // This is the concrete resolver used to perform smart sidestep interceptions.
40 // This means basically a sidestep interception that skips the interceptor when
41 // the caller resides on the same dll being intercepted. It is intended as
42 // a helper only, because that determination is not infallible.
43 class SmartSidestepResolverThunk : public SidestepResolverThunk {
44 public:
45 SmartSidestepResolverThunk() {}
46 ~SmartSidestepResolverThunk() override {}
47
48 // Implementation of Resolver::Setup.
49 NTSTATUS Setup(const void* target_module,
50 const void* interceptor_module,
51 const char* target_name,
52 const char* interceptor_name,
53 const void* interceptor_entry_point,
54 void* thunk_storage,
55 size_t storage_bytes,
56 size_t* storage_used) override;
57
58 // Implementation of Resolver::GetThunkSize.
59 size_t GetThunkSize() const override;
60
61 private:
62 // Performs the actual call to the interceptor if the conditions are correct
63 // (as determined by IsInternalCall).
64 static void SmartStub();
65
66 // Returns true if return_address is inside the module loaded at base.
67 static bool IsInternalCall(const void* base, void* return_address);
68
69 DISALLOW_COPY_AND_ASSIGN(SmartSidestepResolverThunk);
70 };
71
72 } // namespace sandbox
73
74
75 #endif // SANDBOX_SRC_SIDESTEP_RESOLVER_H__
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