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Diffstat (limited to 'sandbox/win/sandbox_poc/main_ui_window.h')
| -rw-r--r-- | sandbox/win/sandbox_poc/main_ui_window.h | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/sandbox/win/sandbox_poc/main_ui_window.h b/sandbox/win/sandbox_poc/main_ui_window.h new file mode 100644 index 0000000000..84fb9861c9 --- /dev/null +++ b/sandbox/win/sandbox_poc/main_ui_window.h @@ -0,0 +1,194 @@ +// Copyright (c) 2011 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_SANDBOX_POC_MAIN_UI_WINDOW_H__ +#define SANDBOX_SANDBOX_POC_MAIN_UI_WINDOW_H__ + +#include <string> + +#include "base/basictypes.h" +#include "base/strings/string16.h" + +namespace sandbox { +class BrokerServices; +enum ResultCode; +} + +// Header file for the MainUIWindow, a simple window with a menu bar that +// can pop up a dialog (accessible through the menu bar), to specify a path and +// filename of any DLL to load and choose an entry point of his/her choice +// (note: only entry points with no parameters are expected to work). +// +// The purpose of this is to be able to spawn an EXE inside a SandBox, have it +// load a DLL and call the entry point on it to test how it behaves inside the +// sandbox. This is useful for developer debugging and for security testing. +// +// The MainUIWindow also has a listview that displays debugging information to +// the user. +// +// Sample usage: +// +// MainUIWindow window; +// unsigned int ret = window.CreateMainWindowAndLoop( +// handle_to_current_instance, +// ::GetCommandLineW(), +// show_command, +// broker); +// +// The CreateMainWindowAndLoop() contains a message loop that ends when the +// user closes the MainUIWindow. + +// This class encapsulates the Main UI window for the broker application. +// It simply shows a menu that gives the user the ability (through a dialog) to +// specify a DLL and what entry point to call in the DLL. +class MainUIWindow { + public: + MainUIWindow(); + ~MainUIWindow(); + + // Creates the main window, displays it and starts the message pump. This + // call will not return until user closes the main UI window that appears + // as a result. Arguments 'instance', 'command_line' and 'show_cmd' can be + // passed in directly from winmain. The 'broker' argument is a pointer to a + // BrokerService that will launch a new EXE inside the sandbox and load the + // DLL of the user's choice. + unsigned int CreateMainWindowAndLoop(HINSTANCE instance, + wchar_t* command_line, + int show_command, + sandbox::BrokerServices* broker); + + private: + // The default value DLL name to add to the edit box. + static const wchar_t kDefaultDll_[]; + + // The default value to show in the entry point. + static const wchar_t kDefaultEntryPoint_[]; + + // The default value to show in the log file. + static const wchar_t kDefaultLogFile_[]; + + // Handles the messages sent to the main UI window. The return value is the + // result of the message processing and depends on the message. + static LRESULT CALLBACK WndProc(HWND window, + UINT message_id, + WPARAM wparam, + LPARAM lparam); + + // Handles the messages sent to the SpawnTarget dialog. The return value is + // the result of the message processing and depends on the message. + static INT_PTR CALLBACK SpawnTargetWndProc(HWND dialog, + UINT message_id, + WPARAM wparam, + LPARAM lparam); + + // Retrieves a pointer to the MainWindow from a value stored along with the + // window handle (passed in as hwnd). Return value is a pointer to the + // MainUIWindow previously stored with SetWindowLong() during WM_CREATE. + static MainUIWindow* FromWindow(HWND main_window); + + // Handles the WM_CREATE message for the main UI window. Returns TRUE on + // success. + static BOOL OnCreate(HWND parent_window, LPCREATESTRUCT); + + // Handles the WM_DESTROY message for the main UI window. + void OnDestroy(HWND window); + + // Handles the WM_SIZE message for the main UI window. + void OnSize(HWND window, UINT state, int cx, int cy); + + // Handles the WM_PAINT message for the main UI window. + void OnPaint(HWND window); + + // Handles the menu command File \ Exit for the main UI window. + void OnFileExit(); + + // Handles the menu command Commands \ Launch for the main UI window. + void OnCommandsLaunch(HWND window); + + // Handles the Launch button in the SpawnTarget dialog (normally clicked + // after selecting DLL and entry point). OnLaunchDll will retrieve the + // values entered by the user and store it in the members of the class. + // Returns true if user selected a non-zero values for DLL filename + // (possibly including path also) and entry point. + bool OnLaunchDll(HWND dialog); + + // Spawns a target EXE inside the sandbox (with the help of the + // BrokerServices passed in to CreateMainWindowAndLoop), and passes to it + // (as command line arguments) the DLL path and the entry point function + // name. The EXE is expected to parse the command line and load the DLL. + // NOTE: The broker does not know if the target EXE successfully loaded the + // DLL, for that you have to rely on the EXE providing a log. + // Returns true if the broker reports that it was successful in creating + // the target and false if not. + bool SpawnTarget(); + + // Shows a standard File Open dialog and returns the DLL filename selected or + // blank string if the user cancelled (or an error occurred). + base::string16 OnShowBrowseForDllDlg(HWND owner); + + // Shows a standard Save As dialog and returns the log filename selected or + // blank string if the user cancelled (or an error occurred). + base::string16 OnShowBrowseForLogFileDlg(HWND owner); + + // Formats a message using the supplied format string and prints it in the + // listview in the main UI window. Passing a NULL param in 'fmt' results in + // no action being performed. Maximum message length is 1K. + void AddDebugMessage(const wchar_t* format, ...); + + // Assists AddDebugMessage in displaying a message in the ListView. It + // simply wraps ListView_InsertItem to insert a debugging message to the + // top of the list view. Passing a NULL param in 'fmt' results in no action + // being performed. + void InsertLineInListView(wchar_t* debug_message); + + // Calls ListenPipe using the class instance received in parameter. This is + // used to create new threads executing ListenPipe + static DWORD WINAPI ListenPipeThunk(void *param); + + // Calls WaitForTargetThunk using the class instance received in parameter + // This is used to create new threads executing WaitForTarget. + static DWORD WINAPI WaitForTargetThunk(void *param); + + // Listens on a pipe and output the data received to a file and to the UI. + DWORD ListenPipe(); + + // Waits for the target to dies and display a message in the UI. + DWORD WaitForTarget(); + + // The BrokerServices will be used to spawn an EXE in a sandbox and ask + // it to load a DLL. + sandbox::BrokerServices* broker_; + + // Contains the information about the running target. + PROCESS_INFORMATION target_; + + // This is essentially a command line to a target executable that the + // broker will spawn and ask to load the DLL. + base::string16 spawn_target_; + + // A handle to the current instance of the app. Passed in to this class + // through CreateMainWindowAndLoop. + HINSTANCE instance_handle_; + + // A path to the DLL that the target should load once it executes. + base::string16 dll_path_; + + // The name of the entry point the target should call after it loads the DLL. + base::string16 entry_point_; + + // The name of the log file to use. + base::string16 log_file_; + + // This is a static handle to the list view that fills up the entire main + // UI window. The list view is used to display debugging information to the + // user. + static HWND list_view_; + + // Pipe used to communicate the logs between the target and the broker. + HANDLE pipe_handle_; + + DISALLOW_COPY_AND_ASSIGN(MainUIWindow); +}; + +#endif // SANDBOX_SANDBOX_POC_MAIN_UI_WINDOW_H__ |