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
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
|
/***************************************************************************
* Copyright (C) 2005 by Joris Guisson *
* joris.guisson@gmail.com *
* ivasic@gmail.com *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#ifndef IPBLOCKLIST_H
#define IPBLOCKLIST_H
#include <interfaces/ipblockinginterface.h>
#include <tqmap.h>
#include <tqstringlist.h>
#include <util/constants.h>
class TQString;
namespace bt
{
class IPKey
{
public:
IPKey();
IPKey(TQString& ip, Uint32 mask = 0xFFFFFFFF);
IPKey(Uint32 ip, Uint32 mask = 0xFFFFFFFF);
IPKey(const IPKey& ip);
~IPKey();
bool operator== (const IPKey& ip) const;
bool operator!= (const IPKey& ip) const;
bool operator < (const IPKey & ip) const;
IPKey& operator= (const IPKey& ip);
TQString toString();
Uint32 m_ip;
Uint32 m_mask;
};
/**
* @author Ivan Vasic <ivasic@gmail.com>
* @brief Keeps track of blocked peers
*
* This class is used for keeping the IP addresses list of peers that
* have sent bad chunks.
*
* Peers that have sent >= 3 bad chunks are blocked.
*/
class IPBlocklist
{
IPBlocklist();
IPBlocklist(const IPBlocklist & );
const IPBlocklist& operator=(const IPBlocklist&);
public:
inline static IPBlocklist & instance()
{
static IPBlocklist singleton;
return singleton;
}
/**
* @brief Adds ip address to the list.
* It also increases the number of times this IP appeared in the list.
* @param ip TQString containing the peer IP address
* @param state int number of bad chunks client from ip sent. Basically this parameter
* is used only to permanently block some IP (by setting this param to 3)
*/
void insert(TQString ip, int state=1);
/**
* @brief Adds IP range to the list
* It is used for blocking plugin. For single IP use insert() instead.
* @param ip TQString peer IP address. Uses ''*" for ranges.
**/
void addRange(TQString ip);
/**
* @brief Removes IP range from list
* It is used for blocking plugin.
* @param ip TQString peer IP address. Uses ''*" for ranges.
**/
void removeRange(TQString ip);
/**
* Checks if IP is in the blocking list
* @param ip - IP address to check
* @returns true if IP is blocked
*/
bool isBlocked(const TQString& ip);
/**
* @brief Sets the pointer to the IPBlockingInterface (IPBlocking plugin)
* Call this function from IPBlocking plugin when it gets loaded.
* @arg ptr - pointer to be set
*/
void setPluginInterfacePtr(kt::IPBlockingInterface* ptr);
/**
* @brief Unsets the interface pointer
* Call this when IPBlockingPlugin gets unloaded or deleted
*/
void unsetPluginInterfacePtr() { pluginInterface = 0; }
/**
* @brief This function will fill TQStringList with all banned peer IP addresses.
* @return TQStringList filled with blacklisted peers.
* It will create a new TQStringList object so don't forget to delete it after using.
*/
TQStringList* getBlocklist();
/**
* @brief This function will load blacklisted peers to IPFilter.
* @param list TQStringList containing all banned peers.
* @note This function will remove current peers from blocklist before setting new list!!!
*/
void setBlocklist(TQStringList* list);
private:
/**
* Pointer to the IPBlocking plugin which implements IPBlockingInterface
* Used to provide a way to use this plugin functions from within this class
*/
kt::IPBlockingInterface* pluginInterface;
/**
* @param IPKey - Key: Peer IP address and bit mask if it is a range
* @param int - Number of bad chunks sent.
**/
TQMap<IPKey, int> m_peers;
/**
* @brief Adds IP range to the list.
* @param key IPKey that represents this IP range
* @param state int Number of 'warnings' for the range.
* Default is 3 - that means range is blocked permanently.
*/
void insertRangeIP(IPKey& key, int state=3);
/**
* Checks if IP is listed in local database (IPBlocklist::m_peers)
* @return TRUE if IP is to be blocked
*/
bool isBlockedLocal(const TQString& ip);
/**
* Checks if IP is listed in plugins antip2p file
* @return TRUE if IP is to be blocked
*/
bool isBlockedPlugin(const TQString& ip);
};
}
#endif
|
