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/* +------------------------------------+
* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
* InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
* E-mail:
* <brain@chatspike.net>
* <Craig@chatspike.net>
*
* Written by Craig Edwards, Craig McLure, and others.
* This program is free but copyrighted software; see
* the file COPYING for details.
*
* ---------------------------------------------------
*/
using namespace std;
/* $ModDesc: Adds timed bans */
#include <stdio.h>
#include <vector>
#include "users.h"
#include "channels.h"
#include "modules.h"
#include "helperfuncs.h"
#include "hashcomp.h"
static Server *Srv;
class TimedBan : public classbase
{
public:
std::string channel;
std::string mask;
time_t expire;
};
typedef std::vector<TimedBan> timedbans;
timedbans TimedBanList;
class cmd_tban : public command_t
{
public:
cmd_tban () : command_t("TBAN", 0, 3)
{
this->source = "m_timedbans.so";
syntax = "<channel> <duration> <banmask>";
}
void Handle (const char** parameters, int pcnt, userrec *user)
{
chanrec* channel = Srv->FindChannel(parameters[0]);
if (channel)
{
std::string cm = Srv->ChanMode(user,channel);
if ((cm == "%") || (cm == "@"))
{
if (!Srv->IsValidMask(parameters[2]))
{
user->WriteServ("NOTICE "+std::string(user->nick)+" :Invalid ban mask");
return;
}
for (BanList::iterator i = channel->bans.begin(); i != channel->bans.end(); i++)
{
if (!strcasecmp(i->data,parameters[2]))
{
user->WriteServ("NOTICE "+std::string(user->nick)+" :The ban "+std::string(parameters[2])+" is already on the banlist of "+std::string(parameters[0]));
return;
}
}
TimedBan T;
std::string channelname = parameters[0];
unsigned long expire = Srv->CalcDuration(parameters[1]) + time(NULL);
if (Srv->CalcDuration(parameters[1]) < 1)
{
user->WriteServ("NOTICE "+std::string(user->nick)+" :Invalid ban time");
return;
}
char duration[MAXBUF];
snprintf(duration,MAXBUF,"%lu",Srv->CalcDuration(parameters[1]));
std::string mask = parameters[2];
const char *setban[32];
setban[0] = parameters[0];
setban[1] = "+b";
setban[2] = parameters[2];
// use CallCommandHandler to make it so that the user sets the mode
// themselves
Srv->CallCommandHandler("MODE",setban,3,user);
/* Check if the ban was actually added (e.g. banlist was NOT full) */
bool was_added = false;
for (BanList::iterator i = channel->bans.begin(); i != channel->bans.end(); i++)
if (!strcasecmp(i->data,mask.c_str()))
was_added = true;
if (was_added)
{
T.channel = channelname;
T.mask = mask;
T.expire = expire;
TimedBanList.push_back(T);
channel->WriteChannelWithServ(Srv->GetServerName().c_str(), "NOTICE %s :%s added a timed ban on %s lasting for %s seconds.", channel->name, user->nick, mask.c_str(), duration);
}
return;
}
else user->WriteServ("482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, channel->name);
return;
}
user->WriteServ("401 %s %s :No such channel",user->nick, parameters[0]);
}
};
class ModuleTimedBans : public Module
{
cmd_tban* mycommand;
public:
ModuleTimedBans(Server* Me)
: Module::Module(Me)
{
Srv = Me;
mycommand = new cmd_tban();
Srv->AddCommand(mycommand);
TimedBanList.clear();
}
virtual ~ModuleTimedBans()
{
TimedBanList.clear();
}
void Implements(char* List)
{
List[I_OnDelBan] = List[I_OnBackgroundTimer] = 1;
}
virtual int OnDelBan(userrec* source, chanrec* chan, const std::string &banmask)
{
for (timedbans::iterator i = TimedBanList.begin(); i < TimedBanList.end(); i++)
{
irc::string listitem = banmask.c_str();
irc::string target = i->mask.c_str();
if (listitem == target)
{
TimedBanList.erase(i);
break;
}
}
return 0;
}
virtual void OnBackgroundTimer(time_t curtime)
{
bool again = true;
while (again)
{
again = false;
for (timedbans::iterator i = TimedBanList.begin(); i < TimedBanList.end(); i++)
{
if (curtime > i->expire)
{
chanrec* cr = Srv->FindChannel(i->channel);
again = true;
if (cr)
{
cr->WriteChannelWithServ(Srv->GetServerName().c_str(), "NOTICE %s :Timed ban on %s expired.", cr->name, i->mask.c_str());
const char *setban[3];
setban[0] = i->channel.c_str();
setban[1] = "-b";
setban[2] = i->mask.c_str();
// kludge alert!
// ::SendMode expects a userrec* to send the numeric replies
// back to, so we create it a fake user that isnt in the user
// hash and set its descriptor to FD_MAGIC_NUMBER so the data
// falls into the abyss :p
userrec* temp = new userrec;
temp->fd = FD_MAGIC_NUMBER;
temp->server = "";
Srv->SendMode(setban,3,temp);
/* FIX: Send mode remotely*/
std::deque<std::string> n;
n.push_back(i->channel);
n.push_back("-b");
n.push_back(i->mask);
Event rmode((char *)&n, NULL, "send_mode");
rmode.Send();
DELETE(temp);
}
else
{
/* Where the hell did our channel go?! */
TimedBanList.erase(i);
}
// we used to delete the item here, but we dont need to as the servermode above does it for us,
break;
}
}
}
}
virtual Version GetVersion()
{
return Version(1,0,0,0,VF_VENDOR);
}
};
class ModuleTimedBansFactory : public ModuleFactory
{
public:
ModuleTimedBansFactory()
{
}
~ModuleTimedBansFactory()
{
}
virtual Module * CreateModule(Server* Me)
{
return new ModuleTimedBans(Me);
}
};
extern "C" void * init_module( void )
{
return new ModuleTimedBansFactory;
}
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