security/sandbox/win/src/filesystem_policy.h@6474c204b198
security/sandbox/win/src/filesystem_policy.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.
1 // Copyright (c) 2006-2008 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.
5 #ifndef SANDBOX_SRC_FILESYSTEM_POLICY_H__
6 #define SANDBOX_SRC_FILESYSTEM_POLICY_H__
8 #include <string>
10 #include "base/basictypes.h"
11 #include "sandbox/win/src/crosscall_server.h"
12 #include "sandbox/win/src/nt_internals.h"
13 #include "sandbox/win/src/policy_low_level.h"
14 #include "sandbox/win/src/sandbox_policy.h"
16 namespace sandbox {
18 enum EvalResult;
20 // This class centralizes most of the knowledge related to file system policy
21 class FileSystemPolicy {
22 public:
23 // Creates the required low-level policy rules to evaluate a high-level
24 // policy rule for File IO, in particular open or create actions.
25 // 'name' is the file or directory name.
26 // 'semantics' is the desired semantics for the open or create.
27 // 'policy' is the policy generator to which the rules are going to be added.
28 static bool GenerateRules(const wchar_t* name,
29 TargetPolicy::Semantics semantics,
30 LowLevelPolicy* policy);
32 // Add basic file system rules.
33 static bool SetInitialRules(LowLevelPolicy* policy);
35 // Performs the desired policy action on a create request with an
36 // API that is compatible with the IPC-received parameters.
37 // 'client_info' : the target process that is making the request.
38 // 'eval_result' : The desired policy action to accomplish.
39 // 'file' : The target file or directory.
40 static bool CreateFileAction(EvalResult eval_result,
41 const ClientInfo& client_info,
42 const std::wstring &file,
43 uint32 attributes,
44 uint32 desired_access,
45 uint32 file_attributes,
46 uint32 share_access,
47 uint32 create_disposition,
48 uint32 create_options,
49 HANDLE* handle,
50 NTSTATUS* nt_status,
51 ULONG_PTR* io_information);
53 // Performs the desired policy action on an open request with an
54 // API that is compatible with the IPC-received parameters.
55 // 'client_info' : the target process that is making the request.
56 // 'eval_result' : The desired policy action to accomplish.
57 // 'file' : The target file or directory.
58 static bool OpenFileAction(EvalResult eval_result,
59 const ClientInfo& client_info,
60 const std::wstring &file,
61 uint32 attributes,
62 uint32 desired_access,
63 uint32 share_access,
64 uint32 open_options,
65 HANDLE* handle,
66 NTSTATUS* nt_status,
67 ULONG_PTR* io_information);
69 // Performs the desired policy action on a query request with an
70 // API that is compatible with the IPC-received parameters.
71 static bool QueryAttributesFileAction(EvalResult eval_result,
72 const ClientInfo& client_info,
73 const std::wstring &file,
74 uint32 attributes,
75 FILE_BASIC_INFORMATION* file_info,
76 NTSTATUS* nt_status);
78 // Performs the desired policy action on a query request with an
79 // API that is compatible with the IPC-received parameters.
80 static bool QueryFullAttributesFileAction(
81 EvalResult eval_result,
82 const ClientInfo& client_info,
83 const std::wstring &file,
84 uint32 attributes,
85 FILE_NETWORK_OPEN_INFORMATION* file_info,
86 NTSTATUS* nt_status);
88 // Performs the desired policy action on a set_info request with an
89 // API that is compatible with the IPC-received parameters.
90 static bool SetInformationFileAction(EvalResult eval_result,
91 const ClientInfo& client_info,
92 HANDLE target_file_handle,
93 void* file_info,
94 uint32 length,
95 uint32 info_class,
96 IO_STATUS_BLOCK* io_block,
97 NTSTATUS* nt_status);
98 };
100 // Expands the path and check if it's a reparse point. Returns false if
101 // we cannot determine or if there is an unexpected error. In that case
102 // the path cannot be trusted.
103 bool PreProcessName(const std::wstring& path, std::wstring* new_path);
105 } // namespace sandbox
107 #endif // SANDBOX_SRC_FILESYSTEM_POLICY_H__
