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Side by Side Diff: sandbox/win/sandbox_poc/main_ui_window.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) 2011 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_SANDBOX_POC_MAIN_UI_WINDOW_H__
6 #define SANDBOX_SANDBOX_POC_MAIN_UI_WINDOW_H__
7
8 #include <windows.h>
9
10 #include <string>
11
12 #include "base/macros.h"
13 #include "base/strings/string16.h"
14
15 namespace sandbox {
16 class BrokerServices;
17 enum ResultCode;
18 }
19
20 // Header file for the MainUIWindow, a simple window with a menu bar that
21 // can pop up a dialog (accessible through the menu bar), to specify a path and
22 // filename of any DLL to load and choose an entry point of his/her choice
23 // (note: only entry points with no parameters are expected to work).
24 //
25 // The purpose of this is to be able to spawn an EXE inside a SandBox, have it
26 // load a DLL and call the entry point on it to test how it behaves inside the
27 // sandbox. This is useful for developer debugging and for security testing.
28 //
29 // The MainUIWindow also has a listview that displays debugging information to
30 // the user.
31 //
32 // Sample usage:
33 //
34 // MainUIWindow window;
35 // unsigned int ret = window.CreateMainWindowAndLoop(
36 // handle_to_current_instance,
37 // ::GetCommandLineW(),
38 // show_command,
39 // broker);
40 //
41 // The CreateMainWindowAndLoop() contains a message loop that ends when the
42 // user closes the MainUIWindow.
43
44 // This class encapsulates the Main UI window for the broker application.
45 // It simply shows a menu that gives the user the ability (through a dialog) to
46 // specify a DLL and what entry point to call in the DLL.
47 class MainUIWindow {
48 public:
49 MainUIWindow();
50 ~MainUIWindow();
51
52 // Creates the main window, displays it and starts the message pump. This
53 // call will not return until user closes the main UI window that appears
54 // as a result. Arguments 'instance', 'command_line' and 'show_cmd' can be
55 // passed in directly from winmain. The 'broker' argument is a pointer to a
56 // BrokerService that will launch a new EXE inside the sandbox and load the
57 // DLL of the user's choice.
58 unsigned int CreateMainWindowAndLoop(HINSTANCE instance,
59 wchar_t* command_line,
60 int show_command,
61 sandbox::BrokerServices* broker);
62
63 private:
64 // The default value DLL name to add to the edit box.
65 static const wchar_t kDefaultDll_[];
66
67 // The default value to show in the entry point.
68 static const wchar_t kDefaultEntryPoint_[];
69
70 // The default value to show in the log file.
71 static const wchar_t kDefaultLogFile_[];
72
73 // Handles the messages sent to the main UI window. The return value is the
74 // result of the message processing and depends on the message.
75 static LRESULT CALLBACK WndProc(HWND window,
76 UINT message_id,
77 WPARAM wparam,
78 LPARAM lparam);
79
80 // Handles the messages sent to the SpawnTarget dialog. The return value is
81 // the result of the message processing and depends on the message.
82 static INT_PTR CALLBACK SpawnTargetWndProc(HWND dialog,
83 UINT message_id,
84 WPARAM wparam,
85 LPARAM lparam);
86
87 // Retrieves a pointer to the MainWindow from a value stored along with the
88 // window handle (passed in as hwnd). Return value is a pointer to the
89 // MainUIWindow previously stored with SetWindowLong() during WM_CREATE.
90 static MainUIWindow* FromWindow(HWND main_window);
91
92 // Handles the WM_CREATE message for the main UI window. Returns TRUE on
93 // success.
94 static BOOL OnCreate(HWND parent_window, LPCREATESTRUCT);
95
96 // Handles the WM_DESTROY message for the main UI window.
97 void OnDestroy(HWND window);
98
99 // Handles the WM_SIZE message for the main UI window.
100 void OnSize(HWND window, UINT state, int cx, int cy);
101
102 // Handles the WM_PAINT message for the main UI window.
103 void OnPaint(HWND window);
104
105 // Handles the menu command File \ Exit for the main UI window.
106 void OnFileExit();
107
108 // Handles the menu command Commands \ Launch for the main UI window.
109 void OnCommandsLaunch(HWND window);
110
111 // Handles the Launch button in the SpawnTarget dialog (normally clicked
112 // after selecting DLL and entry point). OnLaunchDll will retrieve the
113 // values entered by the user and store it in the members of the class.
114 // Returns true if user selected a non-zero values for DLL filename
115 // (possibly including path also) and entry point.
116 bool OnLaunchDll(HWND dialog);
117
118 // Spawns a target EXE inside the sandbox (with the help of the
119 // BrokerServices passed in to CreateMainWindowAndLoop), and passes to it
120 // (as command line arguments) the DLL path and the entry point function
121 // name. The EXE is expected to parse the command line and load the DLL.
122 // NOTE: The broker does not know if the target EXE successfully loaded the
123 // DLL, for that you have to rely on the EXE providing a log.
124 // Returns true if the broker reports that it was successful in creating
125 // the target and false if not.
126 bool SpawnTarget();
127
128 // Shows a standard File Open dialog and returns the DLL filename selected or
129 // blank string if the user cancelled (or an error occurred).
130 base::string16 OnShowBrowseForDllDlg(HWND owner);
131
132 // Shows a standard Save As dialog and returns the log filename selected or
133 // blank string if the user cancelled (or an error occurred).
134 base::string16 OnShowBrowseForLogFileDlg(HWND owner);
135
136 // Formats a message using the supplied format string and prints it in the
137 // listview in the main UI window. Passing a NULL param in 'fmt' results in
138 // no action being performed. Maximum message length is 1K.
139 void AddDebugMessage(const wchar_t* format, ...);
140
141 // Assists AddDebugMessage in displaying a message in the ListView. It
142 // simply wraps ListView_InsertItem to insert a debugging message to the
143 // top of the list view. Passing a NULL param in 'fmt' results in no action
144 // being performed.
145 void InsertLineInListView(wchar_t* debug_message);
146
147 // Calls ListenPipe using the class instance received in parameter. This is
148 // used to create new threads executing ListenPipe
149 static DWORD WINAPI ListenPipeThunk(void *param);
150
151 // Calls WaitForTargetThunk using the class instance received in parameter
152 // This is used to create new threads executing WaitForTarget.
153 static DWORD WINAPI WaitForTargetThunk(void *param);
154
155 // Listens on a pipe and output the data received to a file and to the UI.
156 DWORD ListenPipe();
157
158 // Waits for the target to dies and display a message in the UI.
159 DWORD WaitForTarget();
160
161 // The BrokerServices will be used to spawn an EXE in a sandbox and ask
162 // it to load a DLL.
163 sandbox::BrokerServices* broker_;
164
165 // Contains the information about the running target.
166 PROCESS_INFORMATION target_;
167
168 // This is essentially a command line to a target executable that the
169 // broker will spawn and ask to load the DLL.
170 base::string16 spawn_target_;
171
172 // A handle to the current instance of the app. Passed in to this class
173 // through CreateMainWindowAndLoop.
174 HINSTANCE instance_handle_;
175
176 // A path to the DLL that the target should load once it executes.
177 base::string16 dll_path_;
178
179 // The name of the entry point the target should call after it loads the DLL.
180 base::string16 entry_point_;
181
182 // The name of the log file to use.
183 base::string16 log_file_;
184
185 // This is a static handle to the list view that fills up the entire main
186 // UI window. The list view is used to display debugging information to the
187 // user.
188 static HWND list_view_;
189
190 // Pipe used to communicate the logs between the target and the broker.
191 HANDLE pipe_handle_;
192
193 DISALLOW_COPY_AND_ASSIGN(MainUIWindow);
194 };
195
196 #endif // SANDBOX_SANDBOX_POC_MAIN_UI_WINDOW_H__
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