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|
/* +------------------------------------+
* | 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->ServerKickUser(j->first, "Channel name no longer valid", NULL))
delete c;
}
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,API_VERSION);
}
};
MODULE_INIT(ModuleChannelNames)
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