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comparison: security/sandbox/win/src/process_thread_policy.h
security/sandbox/win/src/process_thread_policy.h
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| 1 // Copyright (c) 2006-2010 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_PROCESS_THREAD_POLICY_H_ | |
| 6 #define SANDBOX_SRC_PROCESS_THREAD_POLICY_H_ | |
| 7 | |
| 8 #include <string> | |
| 9 | |
| 10 #include "sandbox/win/src/policy_low_level.h" | |
| 11 | |
| 12 #include "base/basictypes.h" | |
| 13 #include "sandbox/win/src/crosscall_server.h" | |
| 14 #include "sandbox/win/src/sandbox_policy.h" | |
| 15 | |
| 16 namespace sandbox { | |
| 17 | |
| 18 enum EvalResult; | |
| 19 | |
| 20 // This class centralizes most of the knowledge related to process execution. | |
| 21 class ProcessPolicy { | |
| 22 public: | |
| 23 // Creates the required low-level policy rules to evaluate a high-level. | |
| 24 // policy rule for process creation | |
| 25 // 'name' is the executable to be spawn. | |
| 26 // 'semantics' is the desired semantics. | |
| 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); | |
| 31 | |
| 32 // Opens a thread from the child process and returns the handle. | |
| 33 // client_info contains the information about the child process, | |
| 34 // desired_access is the access requested by the child and thread_id | |
| 35 // is the thread_id to be opened. | |
| 36 // The function returns the return value of NtOpenThread. | |
| 37 static NTSTATUS OpenThreadAction(const ClientInfo& client_info, | |
| 38 uint32 desired_access, | |
| 39 uint32 thread_id, | |
| 40 HANDLE* handle); | |
| 41 | |
| 42 // Opens the process id passed in and returns the duplicated handle to | |
| 43 // the child. We only allow the child processes to open themselves. Any other | |
| 44 // pid open is denied. | |
| 45 static NTSTATUS OpenProcessAction(const ClientInfo& client_info, | |
| 46 uint32 desired_access, | |
| 47 uint32 process_id, | |
| 48 HANDLE* handle); | |
| 49 | |
| 50 // Opens the token associated with the process and returns the duplicated | |
| 51 // handle to the child. We only allow the child processes to open his own | |
| 52 // token (using ::GetCurrentProcess()). | |
| 53 static NTSTATUS OpenProcessTokenAction(const ClientInfo& client_info, | |
| 54 HANDLE process, | |
| 55 uint32 desired_access, | |
| 56 HANDLE* handle); | |
| 57 | |
| 58 // Opens the token associated with the process and returns the duplicated | |
| 59 // handle to the child. We only allow the child processes to open his own | |
| 60 // token (using ::GetCurrentProcess()). | |
| 61 static NTSTATUS OpenProcessTokenExAction(const ClientInfo& client_info, | |
| 62 HANDLE process, | |
| 63 uint32 desired_access, | |
| 64 uint32 attributes, | |
| 65 HANDLE* handle); | |
| 66 | |
| 67 // Processes a 'CreateProcessW()' request from the target. | |
| 68 // 'client_info' : the target process that is making the request. | |
| 69 // 'eval_result' : The desired policy action to accomplish. | |
| 70 // 'app_name' : The full path of the process to be created. | |
| 71 // 'command_line' : The command line passed to the created process. | |
| 72 static DWORD CreateProcessWAction(EvalResult eval_result, | |
| 73 const ClientInfo& client_info, | |
| 74 const std::wstring &app_name, | |
| 75 const std::wstring &command_line, | |
| 76 PROCESS_INFORMATION* process_info); | |
| 77 }; | |
| 78 | |
| 79 } // namespace sandbox | |
| 80 | |
| 81 | |
| 82 #endif // SANDBOX_SRC_PROCESS_THREAD_POLICY_H_ |
