Move Windows Sandbox, trybots version (don't commit me!)

sandbox/src/service_resolver.h

-// Copyright (c) 2012 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.
-
-#ifndef SANDBOX_SRC_SERVICE_RESOLVER_H__
-#define SANDBOX_SRC_SERVICE_RESOLVER_H__
-
-#include "sandbox/src/nt_internals.h"
-#include "sandbox/src/resolver.h"
-
-namespace sandbox {
-
-// This is the concrete resolver used to perform service-call type functions
-// inside ntdll.dll.
-class ServiceResolverThunk : public ResolverThunk {
- public:
-  // The service resolver needs a child process to write to.
-  ServiceResolverThunk(HANDLE process, bool relaxed)
-      : process_(process), ntdll_base_(NULL), win2k_(false),
-        relaxed_(relaxed), relative_jump_(0) {}
-  virtual ~ServiceResolverThunk() {}
-
-  // Implementation of Resolver::Setup.
-  virtual NTSTATUS Setup(const void* target_module,
-                         const void* interceptor_module,
-                         const char* target_name,
-                         const char* interceptor_name,
-                         const void* interceptor_entry_point,
-                         void* thunk_storage,
-                         size_t storage_bytes,
-                         size_t* storage_used);
-
-  // Implementation of Resolver::ResolveInterceptor.
-  virtual NTSTATUS ResolveInterceptor(const void* module,
-                                      const char* function_name,
-                                      const void** address);
-
-  // Implementation of Resolver::ResolveTarget.
-  virtual NTSTATUS ResolveTarget(const void* module,
-                                 const char* function_name,
-                                 void** address);
-
-  // Implementation of Resolver::GetThunkSize.
-  virtual size_t GetThunkSize() const;
-
- protected:
-  // The unit test will use this member to allow local patch on a buffer.
-  HMODULE ntdll_base_;
-
-  // Handle of the child process.
-  HANDLE process_;
-
- protected:
-  // Keeps track of a Windows 2000 resolver.
-  bool win2k_;
-
- private:
-  // Returns true if the code pointer by target_ corresponds to the expected
-  // type of function. Saves that code on the first part of the thunk pointed
-  // by local_thunk (should be directly accessible from the parent).
-  virtual bool IsFunctionAService(void* local_thunk) const;
-
-  // Performs the actual patch of target_.
-  // local_thunk must be already fully initialized, and the first part must
-  // contain the original code. The real type of this buffer is ServiceFullThunk
-  // (yes, private). remote_thunk (real type ServiceFullThunk), must be
-  // allocated on the child, and will contain the thunk data, after this call.
-  // Returns the apropriate status code.
-  virtual NTSTATUS PerformPatch(void* local_thunk, void* remote_thunk);
-
-  // Provides basically the same functionality as IsFunctionAService but it
-  // continues even if it does not recognize the function code. remote_thunk
-  // is the address of our memory on the child.
-  bool SaveOriginalFunction(void* local_thunk, void* remote_thunk);
-
-  // true if we are allowed to patch already-patched functions.
-  bool relaxed_;
-  ULONG relative_jump_;
-
-  DISALLOW_COPY_AND_ASSIGN(ServiceResolverThunk);
-};
-
-// This is the concrete resolver used to perform service-call type functions
-// inside ntdll.dll on WOW64 (32 bit ntdll on 64 bit Vista).
-class Wow64ResolverThunk : public ServiceResolverThunk {
- public:
-  // The service resolver needs a child process to write to.
-  Wow64ResolverThunk(HANDLE process, bool relaxed)
-      : ServiceResolverThunk(process, relaxed) {}
-  virtual ~Wow64ResolverThunk() {}
-
- private:
-  virtual bool IsFunctionAService(void* local_thunk) const;
-
-  DISALLOW_COPY_AND_ASSIGN(Wow64ResolverThunk);
-};
-
-// This is the concrete resolver used to perform service-call type functions
-// inside ntdll.dll on WOW64 for Windows 8.
-class Wow64W8ResolverThunk : public ServiceResolverThunk {
- public:
-  // The service resolver needs a child process to write to.
-  Wow64W8ResolverThunk(HANDLE process, bool relaxed)
-      : ServiceResolverThunk(process, relaxed) {}
-  virtual ~Wow64W8ResolverThunk() {}
-
- private:
-  virtual bool IsFunctionAService(void* local_thunk) const;
-
-  DISALLOW_COPY_AND_ASSIGN(Wow64W8ResolverThunk);
-};
-
-// This is the concrete resolver used to perform service-call type functions
-// inside ntdll.dll on Windows 2000 and XP pre SP2.
-class Win2kResolverThunk : public ServiceResolverThunk {
- public:
-  // The service resolver needs a child process to write to.
-  Win2kResolverThunk(HANDLE process, bool relaxed)
-      : ServiceResolverThunk(process, relaxed) {
-    win2k_ = true;
-  }
-  virtual ~Win2kResolverThunk() {}
-
- private:
-  virtual bool IsFunctionAService(void* local_thunk) const;
-
-  DISALLOW_COPY_AND_ASSIGN(Win2kResolverThunk);
-};
-
-// This is the concrete resolver used to perform service-call type functions
-// inside ntdll.dll on Windows 8.
-class Win8ResolverThunk : public ServiceResolverThunk {
- public:
-  // The service resolver needs a child process to write to.
-  Win8ResolverThunk(HANDLE process, bool relaxed)
-      : ServiceResolverThunk(process, relaxed) {}
-  virtual ~Win8ResolverThunk() {}
-
- private:
-  virtual bool IsFunctionAService(void* local_thunk) const;
-
-  DISALLOW_COPY_AND_ASSIGN(Win8ResolverThunk);
-};
-
-}  // namespace sandbox
-
-
-#endif  // SANDBOX_SRC_SERVICE_RESOLVER_H__