The Tor Browser: security/sandbox/win/src/target_process.h@6474c204b198 (annotated)

security/sandbox/win/src/target_process.h@6474c204b198 (annotated)

security/sandbox/win/src/target_process.h

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 // 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_WIN_SRC_TARGET_PROCESS_H_
 #define SANDBOX_WIN_SRC_TARGET_PROCESS_H_
 #include <windows.h>
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/win/scoped_handle.h"
 #include "base/win/scoped_process_information.h"
 #include "sandbox/win/src/crosscall_server.h"
 #include "sandbox/win/src/sandbox_types.h"
 namespace base {
 namespace win {
 class StartupInformation;
 };  // namespace win
 };  // namespace base
 namespace sandbox {
 class AttributeList;
 class SharedMemIPCServer;
 class ThreadProvider;
 // TargetProcess models a target instance (child process). Objects of this
 // class are owned by the Policy used to create them.
 class TargetProcess {
  public:
   // The constructor takes ownership of |initial_token| and |lockdown_token|.
   TargetProcess(HANDLE initial_token, HANDLE lockdown_token, HANDLE job,
                 ThreadProvider* thread_pool);
   ~TargetProcess();
   // TODO(cpu): Currently there does not seem to be a reason to implement
   // reference counting for this class since is internal, but kept the
   // the same interface so the interception framework does not need to be
   // touched at this point.
   void AddRef() {}
   void Release() {}
   // Creates the new target process. The process is created suspended.
   DWORD Create(const wchar_t* exe_path,
                const wchar_t* command_line,
                bool inherit_handles,
                const base::win::StartupInformation& startup_info,
                base::win::ScopedProcessInformation* target_info);
   // Destroys the target process.
   void Terminate();
   // Creates the IPC objects such as the BrokerDispatcher and the
   // IPC server. The IPC server uses the services of the thread_pool.
   DWORD Init(Dispatcher* ipc_dispatcher, void* policy,
              uint32 shared_IPC_size, uint32 shared_policy_size);
   // Returns the handle to the target process.
   HANDLE Process() const {
     return sandbox_process_info_.process_handle();
   }
   // Returns the handle to the job object that the target process belongs to.
   HANDLE Job() const {
     return job_;
   }
   // Returns the address of the target main exe. This is used by the
   // interceptions framework.
   HMODULE MainModule() const {
     return reinterpret_cast<HMODULE>(base_address_);
   }
   // Returns the name of the executable.
   const wchar_t* Name() const {
     return exe_name_.get();
   }
   // Returns the process id.
   DWORD ProcessId() const {
     return sandbox_process_info_.process_id();
   }
   // Returns the handle to the main thread.
   HANDLE MainThread() const {
     return sandbox_process_info_.thread_handle();
   }
   // Transfers a 32-bit variable between the broker and the target.
   ResultCode TransferVariable(const char* name, void* address, size_t size);
  private:
   // Details of the target process.
   base::win::ScopedProcessInformation sandbox_process_info_;
   // The token associated with the process. It provides the core of the
   // sbox security.
   base::win::ScopedHandle lockdown_token_;
   // The token given to the initial thread so that the target process can
   // start. It has more powers than the lockdown_token.
   base::win::ScopedHandle initial_token_;
   // Kernel handle to the shared memory used by the IPC server.
   base::win::ScopedHandle shared_section_;
   // Job object containing the target process.
   HANDLE job_;
   // Reference to the IPC subsystem.
   scoped_ptr<SharedMemIPCServer> ipc_server_;
   // Provides the threads used by the IPC. This class does not own this pointer.
   ThreadProvider* thread_pool_;
   // Base address of the main executable
   void* base_address_;
   // Full name of the target executable.
   scoped_ptr_malloc<wchar_t> exe_name_;
   // Function used for testing.
   friend TargetProcess* MakeTestTargetProcess(HANDLE process,
                                               HMODULE base_address);
   DISALLOW_IMPLICIT_CONSTRUCTORS(TargetProcess);
 };
 // Creates a mock TargetProcess used for testing interceptions.
 // TODO(cpu): It seems that this method is not going to be used anymore.
 TargetProcess* MakeTestTargetProcess(HANDLE process, HMODULE base_address);
 }  // namespace sandbox
 #endif  // SANDBOX_WIN_SRC_TARGET_PROCESS_H_

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security/sandbox/win/src/target_process.h@6474c204b198 (annotated)

security/sandbox/win/src/target_process.h