security/sandbox/win/src/broker_services.h@6474c204b198 (annotated)
security/sandbox/win/src/broker_services.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.
| michael@0 | 1 | // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| michael@0 | 2 | // Use of this source code is governed by a BSD-style license that can be |
| michael@0 | 3 | // found in the LICENSE file. |
| michael@0 | 4 | |
| michael@0 | 5 | #ifndef SANDBOX_WIN_SRC_BROKER_SERVICES_H_ |
| michael@0 | 6 | #define SANDBOX_WIN_SRC_BROKER_SERVICES_H_ |
| michael@0 | 7 | |
| michael@0 | 8 | #include <list> |
| michael@0 | 9 | #include <map> |
| michael@0 | 10 | #include <set> |
| michael@0 | 11 | #include "base/basictypes.h" |
| michael@0 | 12 | #include "base/compiler_specific.h" |
| michael@0 | 13 | #include "base/win/scoped_handle.h" |
| michael@0 | 14 | #include "sandbox/win/src/crosscall_server.h" |
| michael@0 | 15 | #include "sandbox/win/src/job.h" |
| michael@0 | 16 | #include "sandbox/win/src/sandbox.h" |
| michael@0 | 17 | #include "sandbox/win/src/sharedmem_ipc_server.h" |
| michael@0 | 18 | #include "sandbox/win/src/win2k_threadpool.h" |
| michael@0 | 19 | #include "sandbox/win/src/win_utils.h" |
| michael@0 | 20 | |
| michael@0 | 21 | namespace { |
| michael@0 | 22 | |
| michael@0 | 23 | struct JobTracker; |
| michael@0 | 24 | struct PeerTracker; |
| michael@0 | 25 | |
| michael@0 | 26 | } // namespace |
| michael@0 | 27 | |
| michael@0 | 28 | namespace sandbox { |
| michael@0 | 29 | |
| michael@0 | 30 | class PolicyBase; |
| michael@0 | 31 | |
| michael@0 | 32 | // BrokerServicesBase --------------------------------------------------------- |
| michael@0 | 33 | // Broker implementation version 0 |
| michael@0 | 34 | // |
| michael@0 | 35 | // This is an implementation of the interface BrokerServices and |
| michael@0 | 36 | // of the associated TargetProcess interface. In this implementation |
| michael@0 | 37 | // TargetProcess is a friend of BrokerServices where the later manages a |
| michael@0 | 38 | // collection of the former. |
| michael@0 | 39 | class BrokerServicesBase : public BrokerServices, |
| michael@0 | 40 | public SingletonBase<BrokerServicesBase> { |
| michael@0 | 41 | public: |
| michael@0 | 42 | BrokerServicesBase(); |
| michael@0 | 43 | |
| michael@0 | 44 | ~BrokerServicesBase(); |
| michael@0 | 45 | |
| michael@0 | 46 | // BrokerServices interface. |
| michael@0 | 47 | virtual ResultCode Init() OVERRIDE; |
| michael@0 | 48 | virtual TargetPolicy* CreatePolicy() OVERRIDE; |
| michael@0 | 49 | virtual ResultCode SpawnTarget(const wchar_t* exe_path, |
| michael@0 | 50 | const wchar_t* command_line, |
| michael@0 | 51 | TargetPolicy* policy, |
| michael@0 | 52 | PROCESS_INFORMATION* target) OVERRIDE; |
| michael@0 | 53 | virtual ResultCode WaitForAllTargets() OVERRIDE; |
| michael@0 | 54 | virtual ResultCode AddTargetPeer(HANDLE peer_process) OVERRIDE; |
| michael@0 | 55 | virtual ResultCode InstallAppContainer(const wchar_t* sid, |
| michael@0 | 56 | const wchar_t* name) OVERRIDE; |
| michael@0 | 57 | virtual ResultCode UninstallAppContainer(const wchar_t* sid) OVERRIDE; |
| michael@0 | 58 | |
| michael@0 | 59 | // Checks if the supplied process ID matches one of the broker's active |
| michael@0 | 60 | // target processes |
| michael@0 | 61 | // Returns: |
| michael@0 | 62 | // true if there is an active target process for this ID, otherwise false. |
| michael@0 | 63 | bool IsActiveTarget(DWORD process_id); |
| michael@0 | 64 | |
| michael@0 | 65 | private: |
| michael@0 | 66 | // Releases the Job and notifies the associated Policy object to its |
| michael@0 | 67 | // resources as well. |
| michael@0 | 68 | static void FreeResources(JobTracker* tracker); |
| michael@0 | 69 | |
| michael@0 | 70 | // The routine that the worker thread executes. It is in charge of |
| michael@0 | 71 | // notifications and cleanup-related tasks. |
| michael@0 | 72 | static DWORD WINAPI TargetEventsThread(PVOID param); |
| michael@0 | 73 | |
| michael@0 | 74 | // Removes a target peer from the process list if it expires. |
| michael@0 | 75 | static VOID CALLBACK RemovePeer(PVOID parameter, BOOLEAN timeout); |
| michael@0 | 76 | |
| michael@0 | 77 | // The completion port used by the job objects to communicate events to |
| michael@0 | 78 | // the worker thread. |
| michael@0 | 79 | HANDLE job_port_; |
| michael@0 | 80 | |
| michael@0 | 81 | // Handle to a manual-reset event that is signaled when the total target |
| michael@0 | 82 | // process count reaches zero. |
| michael@0 | 83 | HANDLE no_targets_; |
| michael@0 | 84 | |
| michael@0 | 85 | // Handle to the worker thread that reacts to job notifications. |
| michael@0 | 86 | HANDLE job_thread_; |
| michael@0 | 87 | |
| michael@0 | 88 | // Lock used to protect the list of targets from being modified by 2 |
| michael@0 | 89 | // threads at the same time. |
| michael@0 | 90 | CRITICAL_SECTION lock_; |
| michael@0 | 91 | |
| michael@0 | 92 | // provides a pool of threads that are used to wait on the IPC calls. |
| michael@0 | 93 | ThreadProvider* thread_pool_; |
| michael@0 | 94 | |
| michael@0 | 95 | // List of the trackers for closing and cleanup purposes. |
| michael@0 | 96 | typedef std::list<JobTracker*> JobTrackerList; |
| michael@0 | 97 | JobTrackerList tracker_list_; |
| michael@0 | 98 | |
| michael@0 | 99 | // Maps peer process IDs to the saved handle and wait event. |
| michael@0 | 100 | // Prevents peer callbacks from accessing the broker after destruction. |
| michael@0 | 101 | typedef std::map<DWORD, PeerTracker*> PeerTrackerMap; |
| michael@0 | 102 | PeerTrackerMap peer_map_; |
| michael@0 | 103 | |
| michael@0 | 104 | // Provides a fast lookup to identify sandboxed processes that belong to a |
| michael@0 | 105 | // job. Consult |jobless_process_handles_| for handles of pocess without job. |
| michael@0 | 106 | std::set<DWORD> child_process_ids_; |
| michael@0 | 107 | |
| michael@0 | 108 | DISALLOW_COPY_AND_ASSIGN(BrokerServicesBase); |
| michael@0 | 109 | }; |
| michael@0 | 110 | |
| michael@0 | 111 | } // namespace sandbox |
| michael@0 | 112 | |
| michael@0 | 113 | |
| michael@0 | 114 | #endif // SANDBOX_WIN_SRC_BROKER_SERVICES_H_ |
