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
|
/* +------------------------------------+
* | 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"
/* $ModDesc: Implements config tags which allow changing characters allowed in channel names */
static bool allowedmap[256];
class NewIsChannelHandler : public HandlerBase2<bool, const char*, size_t>
{
public:
NewIsChannelHandler() { }
virtual ~NewIsChannelHandler() { }
virtual bool Call(const char*, size_t);
};
bool NewIsChannelHandler::Call(const char* chname, size_t max)
{
const char *c = chname + 1;
/* check for no name - don't check for !*chname, as if it is empty, it won't be '#'! */
if (!chname || *chname != '#')
return false;
while (*c)
if (!allowedmap[(unsigned int)(*c++)]) return false;
size_t len = c - chname;
return len <= max;
}
class ModuleChannelNames : public Module
{
private:
NewIsChannelHandler myhandler;
caller2<bool, const char*, size_t> rememberer;
bool badchan;
public:
ModuleChannelNames() : rememberer(ServerInstance->IsChannel)
{
ServerInstance->IsChannel = &myhandler;
badchan = false;
Implementation eventlist[] = { I_OnRehash, I_OnUserKick };
ServerInstance->Modules->Attach(eventlist, this, 2);
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.c_str(), 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->SendMode(modes, ServerInstance->FakeClient);
ServerInstance->PI->SendMode(c->name, ServerInstance->Modes->GetLastParseParams(), ServerInstance->Modes->GetLastParseTranslate());
}
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)
{
ConfigReader Conf;
std::string denyToken = Conf.ReadValue("channames", "denyrange", 0);
std::string allowToken = Conf.ReadValue("channames", "allowrange", 0);
memset(allowedmap, 1, sizeof(allowedmap));
irc::portparser denyrange(denyToken, false);
int denyno = -1;
while (0 != (denyno = denyrange.GetToken()))
allowedmap[(unsigned char)(denyno)] = false;
irc::portparser allowrange(allowToken, false);
int allowno = -1;
while (0 != (allowno = allowrange.GetToken()))
allowedmap[(unsigned char)(allowno)] = true;
allowedmap[7] = false;
allowedmap[' '] = false;
allowedmap[','] = 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)
|
