security/sandbox/win/src/Wow64.h@6474c204b198 (annotated)
security/sandbox/win/src/Wow64.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.
| michael@0 | 1 | // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| michael@0 | 2 | // Use of this source code is governed by a BSD-style license that can be |
| michael@0 | 3 | // found in the LICENSE file. |
| michael@0 | 4 | |
| michael@0 | 5 | #ifndef SANDBOX_SRC_WOW64_H__ |
| michael@0 | 6 | #define SANDBOX_SRC_WOW64_H__ |
| michael@0 | 7 | |
| michael@0 | 8 | #include <windows.h> |
| michael@0 | 9 | |
| michael@0 | 10 | #include "base/basictypes.h" |
| michael@0 | 11 | #include "sandbox/win/src/sandbox_types.h" |
| michael@0 | 12 | |
| michael@0 | 13 | namespace sandbox { |
| michael@0 | 14 | |
| michael@0 | 15 | class TargetProcess; |
| michael@0 | 16 | |
| michael@0 | 17 | // This class wraps the code needed to interact with the Windows On Windows |
| michael@0 | 18 | // subsystem on 64 bit OSes, from the point of view of interceptions. |
| michael@0 | 19 | class Wow64 { |
| michael@0 | 20 | public: |
| michael@0 | 21 | Wow64(TargetProcess* child, HMODULE ntdll) |
| michael@0 | 22 | : child_(child), ntdll_(ntdll), dll_load_(NULL), continue_load_(NULL) {} |
| michael@0 | 23 | ~Wow64(); |
| michael@0 | 24 | |
| michael@0 | 25 | // Waits for the 32 bit DLL to get loaded on the child process. This function |
| michael@0 | 26 | // will return immediately if not running under WOW, or launch the helper |
| michael@0 | 27 | // process and wait until ntdll is ready. |
| michael@0 | 28 | bool WaitForNtdll(); |
| michael@0 | 29 | |
| michael@0 | 30 | private: |
| michael@0 | 31 | // Runs the WOW helper process, passing the address of a buffer allocated on |
| michael@0 | 32 | // the child (one page). |
| michael@0 | 33 | bool RunWowHelper(void* buffer); |
| michael@0 | 34 | |
| michael@0 | 35 | // This method receives "notifications" whenever a DLL is mapped on the child. |
| michael@0 | 36 | bool DllMapped(); |
| michael@0 | 37 | |
| michael@0 | 38 | // Returns true if ntdll.dll is mapped on the child. |
| michael@0 | 39 | bool NtdllPresent(); |
| michael@0 | 40 | |
| michael@0 | 41 | TargetProcess* child_; // Child process. |
| michael@0 | 42 | HMODULE ntdll_; // ntdll on the parent. |
| michael@0 | 43 | HANDLE dll_load_; // Event that is signaled on dll load. |
| michael@0 | 44 | HANDLE continue_load_; // Event to signal to continue execution on the child. |
| michael@0 | 45 | DISALLOW_IMPLICIT_CONSTRUCTORS(Wow64); |
| michael@0 | 46 | }; |
| michael@0 | 47 | |
| michael@0 | 48 | } // namespace sandbox |
| michael@0 | 49 | |
| michael@0 | 50 | #endif // SANDBOX_SRC_WOW64_H__ |
