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
|
/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net>
* Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
* Copyright (C) 2004, 2006 Craig Edwards <craigedwards@brainbox.cc>
*
* This file is part of InspIRCd. InspIRCd 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, version 2.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "inspircd.h"
#include "modules/exemption.h"
class NoCTCPUser : public SimpleUserModeHandler
{
public:
NoCTCPUser(Module* Creator)
: SimpleUserModeHandler(Creator, "u_noctcp", 'T')
{
if (!ServerInstance->Config->ConfValue("noctcp")->getBool("enableumode"))
DisableAutoRegister();
}
};
class ModuleNoCTCP : public Module
{
CheckExemption::EventProvider exemptionprov;
SimpleChannelModeHandler nc;
NoCTCPUser ncu;
public:
ModuleNoCTCP()
: exemptionprov(this)
, nc(this, "noctcp", 'C')
, ncu(this)
{
}
Version GetVersion() CXX11_OVERRIDE
{
return Version("Provides user mode +T and channel mode +C to block CTCPs", VF_VENDOR);
}
ModResult OnUserPreMessage(User* user, const MessageTarget& target, MessageDetails& details) CXX11_OVERRIDE
{
if (!IS_LOCAL(user))
return MOD_RES_PASSTHRU;
std::string ctcpname;
if (!details.IsCTCP(ctcpname) || irc::equals(ctcpname, "ACTION"))
return MOD_RES_PASSTHRU;
switch (target.type)
{
case MessageTarget::TYPE_CHANNEL:
{
if (user->HasPrivPermission("channels/ignore-noctcp"))
return MOD_RES_PASSTHRU;
Channel* c = target.Get<Channel>();
const Channel::MemberMap& members = c->GetUsers();
for (Channel::MemberMap::const_iterator member = members.begin(); member != members.end(); ++member)
{
User* u = member->first;
if (u->IsModeSet(ncu))
details.exemptions.insert(u);
}
ModResult res = CheckExemption::Call(exemptionprov, user, c, "noctcp");
if (res == MOD_RES_ALLOW)
return MOD_RES_PASSTHRU;
bool modeset = c->IsModeSet(nc);
if (!c->GetExtBanStatus(user, 'C').check(!modeset))
{
user->WriteNumeric(ERR_CANNOTSENDTOCHAN, c->name, InspIRCd::Format("Can't send CTCP to channel (%s)",
modeset ? "+C is set" : "you're extbanned"));
return MOD_RES_DENY;
}
break;
}
case MessageTarget::TYPE_USER:
{
if (user->HasPrivPermission("users/ignore-noctcp"))
return MOD_RES_PASSTHRU;
User* u = target.Get<User>();
if (u->IsModeSet(ncu))
{
user->WriteNumeric(ERR_CANTSENDTOUSER, u->nick, "Can't send CTCP to user (+T is set)");
return MOD_RES_DENY;
}
break;
}
case MessageTarget::TYPE_SERVER:
break;
}
return MOD_RES_PASSTHRU;
}
void On005Numeric(std::map<std::string, std::string>& tokens) CXX11_OVERRIDE
{
tokens["EXTBAN"].push_back('C');
}
};
MODULE_INIT(ModuleNoCTCP)
|
