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
|
/* +------------------------------------+
* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
* InspIRCd: (C) 2002-2009 InspIRCd Development Team
* See: http://wiki.inspircd.org/Credits
*
* This program is free but copyrighted software; see
* the file COPYING for details.
*
* ---------------------------------------------------
*/
#include "inspircd.h"
#include "m_cap.h"
/* $ModDesc: Provides the CAP negotiation mechanism seen in ratbox-derived ircds */
/*
CAP LS
:alfred.staticbox.net CAP * LS :multi-prefix sasl
CAP REQ :multi-prefix
:alfred.staticbox.net CAP * ACK :multi-prefix
CAP CLEAR
:alfred.staticbox.net CAP * ACK :-multi-prefix
CAP REQ :multi-prefix
:alfred.staticbox.net CAP * ACK :multi-prefix
CAP LIST
:alfred.staticbox.net CAP * LIST :multi-prefix
CAP END
*/
/** Handle /CAP
*/
class CommandCAP : public Command
{
public:
LocalIntExt reghold;
CommandCAP (Module* mod) : Command(mod, "CAP", 1),
reghold("CAP_REGHOLD", mod)
{
works_before_reg = true;
}
CmdResult Handle (const std::vector<std::string> ¶meters, User *user)
{
irc::string subcommand = parameters[0].c_str();
if (subcommand == "REQ")
{
CapEvent Data(creator, "cap_req");
Data.type = subcommand;
Data.user = user;
Data.creator = this->creator;
if (parameters.size() < 2)
return CMD_FAILURE;
// tokenize the input into a nice list of requested caps
std::string param = parameters[1];
std::string cap_;
irc::spacesepstream cap_stream(param);
while (cap_stream.GetToken(cap_))
{
Data.wanted.push_back(cap_);
}
reghold.set(user, 1);
Data.Send();
if (Data.ack.size() > 0)
{
std::string AckResult = irc::stringjoiner(" ", Data.ack, 0, Data.ack.size() - 1).GetJoined();
user->WriteServ("CAP * ACK :%s", AckResult.c_str());
}
if (Data.wanted.size() > 0)
{
std::string NakResult = irc::stringjoiner(" ", Data.wanted, 0, Data.wanted.size() - 1).GetJoined();
user->WriteServ("CAP * NAK :%s", NakResult.c_str());
}
}
else if (subcommand == "END")
{
reghold.set(user, 0);
}
else if ((subcommand == "LS") || (subcommand == "LIST"))
{
CapEvent Data(creator, subcommand == "LS" ? "cap_ls" : "cap_list");
Data.type = subcommand;
Data.user = user;
Data.creator = this->creator;
reghold.set(user, 1);
Data.Send();
std::string Result;
if (Data.wanted.size() > 0)
Result = irc::stringjoiner(" ", Data.wanted, 0, Data.wanted.size() - 1).GetJoined();
else
Result = "";
user->WriteServ("CAP * %s :%s", subcommand.c_str(), Result.c_str());
}
else if (subcommand == "CLEAR")
{
CapEvent Data(creator, "cap_clear");
Data.type = subcommand;
Data.user = user;
Data.creator = this->creator;
reghold.set(user, 1);
Data.Send();
std::string Result = irc::stringjoiner(" ", Data.ack, 0, Data.ack.size() - 1).GetJoined();
user->WriteServ("CAP * ACK :%s", Result.c_str());
}
else
{
user->WriteNumeric(ERR_INVALIDCAPSUBCOMMAND, "* %s :Invalid CAP subcommand", subcommand.c_str());
}
return CMD_FAILURE;
}
};
class ModuleCAP : public Module
{
CommandCAP cmd;
public:
ModuleCAP()
: cmd(this)
{
ServerInstance->AddCommand(&cmd);
ServerInstance->Extensions.Register(&cmd.reghold);
Implementation eventlist[] = { I_OnCheckReady };
ServerInstance->Modules->Attach(eventlist, this, 1);
}
ModResult OnCheckReady(User* user)
{
/* Users in CAP state get held until CAP END */
if (cmd.reghold.get(user))
return MOD_RES_DENY;
return MOD_RES_PASSTHRU;
}
~ModuleCAP()
{
}
Version GetVersion()
{
return Version("Client CAP extension support", VF_VENDOR);
}
};
MODULE_INIT(ModuleCAP)
|
