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Side by Side Diff: sandbox/src/broker_services.h

Issue 10783004: Move Windows Sandbox, trybots version (don't commit me!) (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Rebase to top of tree Created 8 years, 5 months ago
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1 // Copyright (c) 2012 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_BROKER_SERVICES_H__
6 #define SANDBOX_SRC_BROKER_SERVICES_H__
7
8 #include <list>
9 #include <map>
10 #include <set>
11 #include "base/basictypes.h"
12 #include "base/win/scoped_handle.h"
13 #include "sandbox/src/crosscall_server.h"
14 #include "sandbox/src/job.h"
15 #include "sandbox/src/sandbox.h"
16 #include "sandbox/src/sharedmem_ipc_server.h"
17 #include "sandbox/src/win2k_threadpool.h"
18 #include "sandbox/src/win_utils.h"
19
20 namespace {
21
22 struct JobTracker;
23 struct PeerTracker;
24
25 } // namespace
26
27 namespace sandbox {
28
29 class PolicyBase;
30
31 // BrokerServicesBase ---------------------------------------------------------
32 // Broker implementation version 0
33 //
34 // This is an implementation of the interface BrokerServices and
35 // of the associated TargetProcess interface. In this implementation
36 // TargetProcess is a friend of BrokerServices where the later manages a
37 // collection of the former.
38 class BrokerServicesBase : public BrokerServices,
39 public SingletonBase<BrokerServicesBase> {
40 public:
41 BrokerServicesBase();
42
43 ~BrokerServicesBase();
44
45 // The next five methods are the BrokerServices interface
46 virtual ResultCode Init();
47
48 virtual TargetPolicy* CreatePolicy();
49
50 virtual ResultCode SpawnTarget(const wchar_t* exe_path,
51 const wchar_t* command_line,
52 TargetPolicy* policy,
53 PROCESS_INFORMATION* target);
54
55 virtual ResultCode WaitForAllTargets();
56
57 virtual ResultCode AddTargetPeer(HANDLE peer_process);
58
59 // Checks if the supplied process ID matches one of the broker's active
60 // target processes
61 // Returns:
62 // true if there is an active target process for this ID, otherwise false.
63 bool IsActiveTarget(DWORD process_id);
64
65 private:
66 // Releases the Job and notifies the associated Policy object to its
67 // resources as well.
68 static void FreeResources(JobTracker* tracker);
69
70 // The routine that the worker thread executes. It is in charge of
71 // notifications and cleanup-related tasks.
72 static DWORD WINAPI TargetEventsThread(PVOID param);
73
74 // Removes a target peer from the process list if it expires.
75 static VOID CALLBACK RemovePeer(PVOID parameter, BOOLEAN timeout);
76
77 // The completion port used by the job objects to communicate events to
78 // the worker thread.
79 HANDLE job_port_;
80
81 // Handle to a manual-reset event that is signaled when the total target
82 // process count reaches zero.
83 HANDLE no_targets_;
84
85 // Handle to the worker thread that reacts to job notifications.
86 HANDLE job_thread_;
87
88 // Lock used to protect the list of targets from being modified by 2
89 // threads at the same time.
90 CRITICAL_SECTION lock_;
91
92 // provides a pool of threads that are used to wait on the IPC calls.
93 ThreadProvider* thread_pool_;
94
95 // List of the trackers for closing and cleanup purposes.
96 typedef std::list<JobTracker*> JobTrackerList;
97 JobTrackerList tracker_list_;
98
99 // Maps peer process IDs to the saved handle and wait event.
100 // Prevents peer callbacks from accessing the broker after destruction.
101 typedef std::map<DWORD, PeerTracker*> PeerTrackerMap;
102 PeerTrackerMap peer_map_;
103
104 // Provides a fast lookup to identify sandboxed processes.
105 std::set<DWORD> child_process_ids_;
106
107 DISALLOW_COPY_AND_ASSIGN(BrokerServicesBase);
108 };
109
110 } // namespace sandbox
111
112
113 #endif // SANDBOX_SRC_BROKER_SERVICES_H__
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