1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92// Licensed to the Software Freedom Conservancy (SFC) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The SFC licenses this file
// to you under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef WEBDRIVER_HOOKPROCESSOR_H_
#define WEBDRIVER_HOOKPROCESSOR_H_
#include <string>
#include <vector>
namespace webdriver {
enum HookCommunicationType {
OneWay = 0,
TwoWay = 1
};
struct HookSettings {
std::string hook_procedure_name;
int hook_procedure_type;
HookCommunicationType communication_type;
HWND window_handle;
};
class HookProcessor {
public:
HookProcessor(void);
virtual ~HookProcessor(void);
static int GetDataBufferSize(void);
static void SetDataBufferSize(int size);
static void* GetDataBufferAddress(void);
static int GetEventCount(void);
static void ResetEventCount(void);
static void IncrementEventCount(int increment);
static void ResetFlag(void);
static bool GetFlagValue(void);
static void SetFlagValue(bool flag_value);
static void CopyDataToBuffer(int source_data_size, void* source);
static void CopyDataFromBuffer(int destination_data_size, void* destination);
static void CopyWStringToBuffer(const std::wstring& data);
static std::wstring CopyWStringFromBuffer(void);
static void WriteBufferToPipe(const int process_id);
bool CanSetWindowsHook(HWND window_handle);
void Initialize(const HookSettings& settings);
void Initialize(const std::string& hook_proc_name, const int hook_proc_type);
void Dispose(void);
bool PushData(int data_size,
void* pointer_to_data);
bool PushData(const std::wstring& data);
int PullData(std::vector<char>* data);
int PullData(std::wstring data);
private:
static void ClearBuffer(void);
void CreateReturnPipe(void);
bool InstallWindowsHook(const std::string& hook_proc_name,
const int hook_proc_type);
void UninstallWindowsHook(void);
bool Is64BitProcess(HANDLE process_handle);
HookCommunicationType communication_type_;
HWND window_handle_;
HHOOK hook_procedure_handle_;
HANDLE pipe_handle_;
};
} // namespace webdriver
#endif // WEBDRIVER_HOOKPROCESSOR_H_