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| 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. | |
| 4 | |
| 5 #ifndef SANDBOX_SRC_FILESYSTEM_POLICY_H__ | |
| 6 #define SANDBOX_SRC_FILESYSTEM_POLICY_H__ | |
| 7 | |
| 8 #include <stdint.h> | |
| 9 | |
| 10 #include <string> | |
| 11 | |
| 12 #include "base/strings/string16.h" | |
| 13 #include "sandbox/win/src/crosscall_server.h" | |
| 14 #include "sandbox/win/src/nt_internals.h" | |
| 15 #include "sandbox/win/src/policy_low_level.h" | |
| 16 #include "sandbox/win/src/sandbox_policy.h" | |
| 17 | |
| 18 namespace sandbox { | |
| 19 | |
| 20 enum EvalResult; | |
| 21 | |
| 22 // This class centralizes most of the knowledge related to file system policy | |
| 23 class FileSystemPolicy { | |
| 24 public: | |
| 25 // Creates the required low-level policy rules to evaluate a high-level | |
| 26 // policy rule for File IO, in particular open or create actions. | |
| 27 // 'name' is the file or directory name. | |
| 28 // 'semantics' is the desired semantics for the open or create. | |
| 29 // 'policy' is the policy generator to which the rules are going to be added. | |
| 30 static bool GenerateRules(const wchar_t* name, | |
| 31 TargetPolicy::Semantics semantics, | |
| 32 LowLevelPolicy* policy); | |
| 33 | |
| 34 // Add basic file system rules. | |
| 35 static bool SetInitialRules(LowLevelPolicy* policy); | |
| 36 | |
| 37 // Performs the desired policy action on a create request with an | |
| 38 // API that is compatible with the IPC-received parameters. | |
| 39 // 'client_info' : the target process that is making the request. | |
| 40 // 'eval_result' : The desired policy action to accomplish. | |
| 41 // 'file' : The target file or directory. | |
| 42 static bool CreateFileAction(EvalResult eval_result, | |
| 43 const ClientInfo& client_info, | |
| 44 const base::string16& file, | |
| 45 uint32_t attributes, | |
| 46 uint32_t desired_access, | |
| 47 uint32_t file_attributes, | |
| 48 uint32_t share_access, | |
| 49 uint32_t create_disposition, | |
| 50 uint32_t create_options, | |
| 51 HANDLE* handle, | |
| 52 NTSTATUS* nt_status, | |
| 53 ULONG_PTR* io_information); | |
| 54 | |
| 55 // Performs the desired policy action on an open request with an | |
| 56 // API that is compatible with the IPC-received parameters. | |
| 57 // 'client_info' : the target process that is making the request. | |
| 58 // 'eval_result' : The desired policy action to accomplish. | |
| 59 // 'file' : The target file or directory. | |
| 60 static bool OpenFileAction(EvalResult eval_result, | |
| 61 const ClientInfo& client_info, | |
| 62 const base::string16& file, | |
| 63 uint32_t attributes, | |
| 64 uint32_t desired_access, | |
| 65 uint32_t share_access, | |
| 66 uint32_t open_options, | |
| 67 HANDLE* handle, | |
| 68 NTSTATUS* nt_status, | |
| 69 ULONG_PTR* io_information); | |
| 70 | |
| 71 // Performs the desired policy action on a query request with an | |
| 72 // API that is compatible with the IPC-received parameters. | |
| 73 static bool QueryAttributesFileAction(EvalResult eval_result, | |
| 74 const ClientInfo& client_info, | |
| 75 const base::string16& file, | |
| 76 uint32_t attributes, | |
| 77 FILE_BASIC_INFORMATION* file_info, | |
| 78 NTSTATUS* nt_status); | |
| 79 | |
| 80 // Performs the desired policy action on a query request with an | |
| 81 // API that is compatible with the IPC-received parameters. | |
| 82 static bool QueryFullAttributesFileAction( | |
| 83 EvalResult eval_result, | |
| 84 const ClientInfo& client_info, | |
| 85 const base::string16& file, | |
| 86 uint32_t attributes, | |
| 87 FILE_NETWORK_OPEN_INFORMATION* file_info, | |
| 88 NTSTATUS* nt_status); | |
| 89 | |
| 90 // Performs the desired policy action on a set_info request with an | |
| 91 // API that is compatible with the IPC-received parameters. | |
| 92 static bool SetInformationFileAction(EvalResult eval_result, | |
| 93 const ClientInfo& client_info, | |
| 94 HANDLE target_file_handle, | |
| 95 void* file_info, | |
| 96 uint32_t length, | |
| 97 uint32_t info_class, | |
| 98 IO_STATUS_BLOCK* io_block, | |
| 99 NTSTATUS* nt_status); | |
| 100 }; | |
| 101 | |
| 102 // Expands the path and check if it's a reparse point. Returns false if the path | |
| 103 // cannot be trusted. | |
| 104 bool PreProcessName(base::string16* path); | |
| 105 | |
| 106 // Corrects global paths to have a correctly escaped NT prefix at the | |
| 107 // beginning. If the name has no NT prefix (either normal or escaped) | |
| 108 // add the escaped form to the string | |
| 109 base::string16 FixNTPrefixForMatch(const base::string16& name); | |
| 110 | |
| 111 } // namespace sandbox | |
| 112 | |
| 113 #endif // SANDBOX_SRC_FILESYSTEM_POLICY_H__ | |
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Chromium Code Reviews
Issue 1851213002:
Remove sandbox on Windows. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master