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      1 // Copyright (c) 2010 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_SRC_FILESYSTEM_DISPATCHER_H__
      6 #define SANDBOX_SRC_FILESYSTEM_DISPATCHER_H__
      7 
      8 #include "base/basictypes.h"
      9 #include "base/strings/string16.h"
     10 #include "sandbox/win/src/crosscall_server.h"
     11 #include "sandbox/win/src/sandbox_policy_base.h"
     12 
     13 namespace sandbox {
     14 
     15 // This class handles file system-related IPC calls.
     16 class FilesystemDispatcher : public Dispatcher {
     17  public:
     18   explicit FilesystemDispatcher(PolicyBase* policy_base);
     19   ~FilesystemDispatcher() {}
     20 
     21   // Dispatcher interface.
     22   virtual bool SetupService(InterceptionManager* manager, int service);
     23 
     24  private:
     25   // Processes IPC requests coming from calls to NtCreateFile in the target.
     26   bool NtCreateFile(IPCInfo* ipc, base::string16* name, DWORD attributes,
     27                     DWORD desired_access, DWORD file_attributes,
     28                     DWORD share_access, DWORD create_disposition,
     29                     DWORD create_options);
     30 
     31   // Processes IPC requests coming from calls to NtOpenFile in the target.
     32   bool NtOpenFile(IPCInfo* ipc, base::string16* name, DWORD attributes,
     33                   DWORD desired_access, DWORD share_access,
     34                   DWORD create_options);
     35 
     36     // Processes IPC requests coming from calls to NtQueryAttributesFile in the
     37   // target.
     38   bool NtQueryAttributesFile(IPCInfo* ipc, base::string16* name,
     39                              DWORD attributes,
     40                              CountedBuffer* info);
     41 
     42   // Processes IPC requests coming from calls to NtQueryFullAttributesFile in
     43   // the target.
     44   bool NtQueryFullAttributesFile(IPCInfo* ipc, base::string16* name,
     45                                  DWORD attributes, CountedBuffer* info);
     46 
     47   // Processes IPC requests coming from calls to NtSetInformationFile with the
     48   // rename information class.
     49   bool NtSetInformationFile(IPCInfo* ipc, HANDLE handle,
     50                             CountedBuffer* status,
     51                             CountedBuffer* info, DWORD length,
     52                             DWORD info_class);
     53 
     54   PolicyBase* policy_base_;
     55   DISALLOW_COPY_AND_ASSIGN(FilesystemDispatcher);
     56 };
     57 
     58 }  // namespace sandbox
     59 
     60 #endif  // SANDBOX_SRC_FILESYSTEM_DISPATCHER_H__
     61