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
|
#include <stdlib.h>
#include <string>
#include "aes.h"
#include "users.h"
#include "channels.h"
#include "modules.h"
#include "helperfuncs.h"
/* $ModDesc: Forces connecting clients to send a PONG message back to the server before they can complete their connection */
static std::string RandString(unsigned int length)
{
unsigned char* tmp = new unsigned char[(length/4)*3];
for(unsigned int i = 0; i < (length/4)*3; i++)
tmp[i] = (unsigned char)rand();
unsigned char* out = new unsigned char[length];
to64frombits(out, tmp, (length/4)*3);
std::string ret((char*)out);
delete out;
delete tmp;
return ret;
}
class ModuleWaitPong : public Module
{
Server* Srv;
ConfigReader* Conf;
bool sendsnotice;
bool killonbadreply;
public:
ModuleWaitPong(Server* Me)
: Module::Module(Me)
{
Srv = Me;
OnRehash("");
}
virtual void OnRehash(std::string param)
{
Conf = new ConfigReader;
sendsnotice = Conf->ReadFlag("waitpong", "sendsnotice", 0);
if(Conf->GetError() == CONF_VALUE_NOT_FOUND)
sendsnotice = true;
killonbadreply = Conf->ReadFlag("waitpong", "killonbadreply", 0);
if(Conf->GetError() == CONF_VALUE_NOT_FOUND)
killonbadreply = true;
delete Conf;
}
void Implements(char* List)
{
List[I_OnUserRegister] = List[I_OnCheckReady] = List[I_OnPreCommand] = List[I_OnRehash] = List[I_OnUserDisconnect] = List[I_OnCleanup] = 1;
}
virtual void OnUserRegister(userrec* user)
{
std::string* pingrpl = new std::string;
*pingrpl = RandString(10);
Srv->Send(user->fd, "PING :" + *pingrpl);
if(sendsnotice)
WriteServ(user->fd, "NOTICE %s :*** If you are having problems connecting due to ping timeouts, please type /quote PONG %s or /raw PONG %s now.", user->nick, pingrpl->c_str(), pingrpl->c_str());
user->Extend("waitpong_pingstr", (char*)pingrpl);
}
virtual int OnPreCommand(std::string command, char** parameters, int pcnt, userrec* user, bool validated)
{
if(command == "PONG")
{
std::string* pingrpl = (std::string*)user->GetExt("waitpong_pingstr");
if(pingrpl && (*pingrpl == parameters[0]))
{
delete pingrpl;
user->Shrink("waitpong_pingstr");
return 1;
}
else if(killonbadreply)
{
Srv->QuitUser(user, "Incorrect ping reply for registration");
return 1;
}
}
return 0;
}
virtual bool OnCheckReady(userrec* user)
{
return (!user->GetExt("waitpong_pingstr"));
}
virtual void OnUserDisconnect(userrec* user)
{
std::string* pingrpl = (std::string*)user->GetExt("waitpong_pingstr");
if(pingrpl)
{
delete pingrpl;
user->Shrink("waitpong_pingstr");
}
}
virtual void OnCleanup(int target_type, void* item)
{
if(target_type == TYPE_USER)
{
userrec* user = (userrec*)item;
std::string* pingrpl = (std::string*)user->GetExt("waitpong_pingstr");
if(pingrpl)
{
delete pingrpl;
user->Shrink("waitpong_pingstr");
}
}
}
virtual ~ModuleWaitPong()
{
}
virtual Version GetVersion()
{
return Version(1, 0, 0, 0, VF_VENDOR);
}
};
class ModuleWaitPongFactory : public ModuleFactory
{
public:
ModuleWaitPongFactory()
{
}
~ModuleWaitPongFactory()
{
}
virtual Module * CreateModule(Server* Me)
{
return new ModuleWaitPong(Me);
}
};
extern "C" void * init_module( void )
{
return new ModuleWaitPongFactory;
}
|
