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
|
/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
*
* 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"
/* $ModDesc: Implements config tags which allow changing characters allowed in channel names */
static std::bitset<256> allowedmap;
class NewIsChannelHandler : public HandlerBase2<bool, const std::string&, size_t>
{
public:
NewIsChannelHandler() { }
virtual ~NewIsChannelHandler() { }
virtual bool Call(const std::string&, size_t);
};
bool NewIsChannelHandler::Call(const std::string& channame, size_t max)
{
if (channame.empty() || channame.length() > max || channame[0] != '#')
return false;
for (std::string::const_iterator c = channame.begin(); c != channame.end(); ++c)
{
unsigned int i = *c & 0xFF;
if (!allowedmap[i])
return false;
}
return true;
}
class ModuleChannelNames : public Module
{
NewIsChannelHandler myhandler;
caller2<bool, const std::string&, size_t> rememberer;
bool badchan;
public:
ModuleChannelNames() : rememberer(ServerInstance->IsChannel), badchan(false)
{
}
void init()
{
ServerInstance->IsChannel = &myhandler;
Implementation eventlist[] = { I_OnRehash, I_OnUserKick };
ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation));
OnRehash(NULL);
}
void ValidateChans()
{
badchan = true;
std::vector<Channel*> chanvec;
for (chan_hash::const_iterator i = ServerInstance->chanlist->begin(); i != ServerInstance->chanlist->end(); ++i)
{
if (!ServerInstance->IsChannel(i->second->name, MAXBUF))
chanvec.push_back(i->second);
}
std::vector<Channel*>::reverse_iterator c2 = chanvec.rbegin();
while (c2 != chanvec.rend())
{
Channel* c = *c2++;
if (c->IsModeSet('P') && c->GetUserCounter())
{
std::vector<std::string> modes;
modes.push_back(c->name);
modes.push_back("-P");
ServerInstance->SendGlobalMode(modes, ServerInstance->FakeClient);
}
const UserMembList* users = c->GetUsers();
for(UserMembCIter j = users->begin(); j != users->end(); ++j)
if (IS_LOCAL(j->first))
c->KickUser(ServerInstance->FakeClient, j->first, "Channel name no longer valid");
}
badchan = false;
}
virtual void OnRehash(User* user)
{
ConfigTag* tag = ServerInstance->Config->ConfValue("channames");
std::string denyToken = tag->getString("denyrange");
std::string allowToken = tag->getString("allowrange");
allowedmap.set();
irc::portparser denyrange(denyToken, false);
int denyno = -1;
while (0 != (denyno = denyrange.GetToken()))
allowedmap[denyno & 0xFF] = false;
irc::portparser allowrange(allowToken, false);
int allowno = -1;
while (0 != (allowno = allowrange.GetToken()))
allowedmap[allowno & 0xFF] = true;
allowedmap[0x07] = false; // BEL
allowedmap[0x20] = false; // ' '
allowedmap[0x2C] = false; // ','
ValidateChans();
}
virtual void OnUserKick(User* source, Membership* memb, const std::string &reason, CUList& except_list)
{
if (badchan)
{
const UserMembList* users = memb->chan->GetUsers();
for(UserMembCIter i = users->begin(); i != users->end(); i++)
if (i->first != memb->user)
except_list.insert(i->first);
}
}
virtual ~ModuleChannelNames()
{
ServerInstance->IsChannel = rememberer;
ValidateChans();
}
virtual Version GetVersion()
{
return Version("Implements config tags which allow changing characters allowed in channel names", VF_VENDOR);
}
};
MODULE_INIT(ModuleChannelNames)
|
