Add sandbox to the repository.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@13 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 150 insertions, 0 deletions

diff --git a/sandbox/src/target_process.h b/sandbox/src/target_process.h
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+// Copyright 2008, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#ifndef SANDBOX_SRC_TARGET_PROCESS_H__
+#define SANDBOX_SRC_TARGET_PROCESS_H__
+
+#include <Windows.h>
+
+#include "base/basictypes.h"
+#include "sandbox/src/crosscall_server.h"
+#include "sandbox/src/sandbox_types.h"
+
+namespace sandbox {
+
+class BrokerServicesBase;
+class SharedMemIPCServer;
+class BrokerDispatcherBase;
+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 all the three handles given to it.
+  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,
+               const wchar_t* desktop, PROCESS_INFORMATION* 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,
+             size_t shared_IPC_size, size_t shared_policy_size);
+
+  // Returns the handle to the target process.
+  HANDLE Process() const {
+    return sandbox_process_;
+  }
+
+  // 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_;
+  }
+
+  // Returns the process id.
+  DWORD ProcessId() const {
+    return sandbox_process_id_;
+  }
+
+  // Returns the handle to the main thread.
+  HANDLE MainThread() const {
+    return sandbox_thread_;
+  }
+
+  // Transfers a 32-bit variable between the broker and the target.
+  ResultCode TransferVariable(char* name, void* address, size_t size);
+
+ private:
+  // The handle to the target process.
+  HANDLE sandbox_process_;
+  // The handle to the main thread.
+  HANDLE sandbox_thread_;
+  // The process id of the target process.
+  DWORD sandbox_process_id_;
+  // The token associated with the process. It provides the core of the
+  // sbox security.
+  HANDLE lockdown_token_;
+  // The token given to the initial thread so that the target process can
+  // start. It has more powers than the lockdown_token.
+  HANDLE initial_token_;
+  // Kernel handle to the shared memory used by the IPC server.
+  HANDLE shared_section_;
+  // Job object containing the target process.
+  HANDLE job_;
+  // Reference to the IPC subsystem.
+  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.
+  wchar_t* exe_name_;
+  // Desktop where the target process is running.
+  HDESK desktop_handle_;
+
+  // 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_SRC_TARGET_PROCESS_H__