michael@0: // Copyright (c) 2006-2010 The Chromium Authors. All rights reserved.
michael@0: // Use of this source code is governed by a BSD-style license that can be
michael@0: // found in the LICENSE file.
michael@0: 
michael@0: #ifndef SANDBOX_SRC_PROCESS_THREAD_POLICY_H_
michael@0: #define SANDBOX_SRC_PROCESS_THREAD_POLICY_H_
michael@0: 
michael@0: #include <string>
michael@0: 
michael@0: #include "sandbox/win/src/policy_low_level.h"
michael@0: 
michael@0: #include "base/basictypes.h"
michael@0: #include "sandbox/win/src/crosscall_server.h"
michael@0: #include "sandbox/win/src/sandbox_policy.h"
michael@0: 
michael@0: namespace sandbox {
michael@0: 
michael@0: enum EvalResult;
michael@0: 
michael@0: // This class centralizes most of the knowledge related to process execution.
michael@0: class ProcessPolicy {
michael@0:  public:
michael@0:   // Creates the required low-level policy rules to evaluate a high-level.
michael@0:   // policy rule for process creation
michael@0:   // 'name' is the executable to be spawn.
michael@0:   // 'semantics' is the desired semantics.
michael@0:   // 'policy' is the policy generator to which the rules are going to be added.
michael@0:   static bool GenerateRules(const wchar_t* name,
michael@0:                             TargetPolicy::Semantics semantics,
michael@0:                             LowLevelPolicy* policy);
michael@0: 
michael@0:   // Opens a thread from the child process and returns the handle.
michael@0:   // client_info contains the information about the child process,
michael@0:   // desired_access is the access requested by the child and thread_id
michael@0:   // is the thread_id to be opened.
michael@0:   // The function returns the return value of NtOpenThread.
michael@0:   static NTSTATUS OpenThreadAction(const ClientInfo& client_info,
michael@0:                                    uint32 desired_access,
michael@0:                                    uint32 thread_id,
michael@0:                                    HANDLE* handle);
michael@0: 
michael@0:   // Opens the process id passed in and returns the duplicated handle to
michael@0:   // the child. We only allow the child processes to open themselves. Any other
michael@0:   // pid open is denied.
michael@0:   static NTSTATUS OpenProcessAction(const ClientInfo& client_info,
michael@0:                                     uint32 desired_access,
michael@0:                                     uint32 process_id,
michael@0:                                     HANDLE* handle);
michael@0: 
michael@0:   // Opens the token associated with the process and returns the duplicated
michael@0:   // handle to the child. We only allow the child processes to open his own
michael@0:   // token (using ::GetCurrentProcess()).
michael@0:   static NTSTATUS OpenProcessTokenAction(const ClientInfo& client_info,
michael@0:                                          HANDLE process,
michael@0:                                          uint32 desired_access,
michael@0:                                          HANDLE* handle);
michael@0: 
michael@0:   // Opens the token associated with the process and returns the duplicated
michael@0:   // handle to the child. We only allow the child processes to open his own
michael@0:   // token (using ::GetCurrentProcess()).
michael@0:   static NTSTATUS OpenProcessTokenExAction(const ClientInfo& client_info,
michael@0:                                            HANDLE process,
michael@0:                                            uint32 desired_access,
michael@0:                                            uint32 attributes,
michael@0:                                            HANDLE* handle);
michael@0: 
michael@0:   // Processes a 'CreateProcessW()' request from the target.
michael@0:   // 'client_info' : the target process that is making the request.
michael@0:   // 'eval_result' : The desired policy action to accomplish.
michael@0:   // 'app_name' : The full path of the process to be created.
michael@0:   // 'command_line' : The command line passed to the created process.
michael@0:   static DWORD CreateProcessWAction(EvalResult eval_result,
michael@0:                                     const ClientInfo& client_info,
michael@0:                                     const std::wstring &app_name,
michael@0:                                     const std::wstring &command_line,
michael@0:                                     PROCESS_INFORMATION* process_info);
michael@0: };
michael@0: 
michael@0: }  // namespace sandbox
michael@0: 
michael@0: 
michael@0: #endif  // SANDBOX_SRC_PROCESS_THREAD_POLICY_H_