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|
/* +------------------------------------+
* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
* InspIRCd: (C) 2002-2007 InspIRCd Development Team
* See: http://www.inspircd.org/wiki/index.php/Credits
*
* This program is free but copyrighted software; see
* the file COPYING for details.
*
* ---------------------------------------------------
*/
/* $ModDesc: Adds timed bans */
#include <stdio.h>
#include <vector>
#include "users.h"
#include "channels.h"
#include "modules.h"
#include "hashcomp.h"
#include "configreader.h"
#include "inspircd.h"
/** Holds a timed ban
*/
class TimedBan : public classbase
{
public:
std::string channel;
std::string mask;
time_t expire;
};
typedef std::vector<TimedBan> timedbans;
timedbans TimedBanList;
/** Handle /TBAN
*/
class cmd_tban : public command_t
{
public:
cmd_tban (InspIRCd* Instance) : command_t(Instance,"TBAN", 0, 3)
{
this->source = "m_timedbans.so";
syntax = "<channel> <duration> <banmask>";
}
CmdResult Handle (const char** parameters, int pcnt, userrec *user)
{
chanrec* channel = ServerInstance->FindChan(parameters[0]);
if (channel)
{
int cm = channel->GetStatus(user);
if ((cm == STATUS_HOP) || (cm == STATUS_OP))
{
if (!ServerInstance->IsValidMask(parameters[2]))
{
user->WriteServ("NOTICE "+std::string(user->nick)+" :Invalid ban mask");
return CMD_FAILURE;
}
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 CMD_FAILURE;
}
}
TimedBan T;
std::string channelname = parameters[0];
unsigned long expire = ServerInstance->Duration(parameters[1]) + time(NULL);
if (ServerInstance->Duration(parameters[1]) < 1)
{
user->WriteServ("NOTICE "+std::string(user->nick)+" :Invalid ban time");
return CMD_FAILURE;
}
char duration[MAXBUF];
snprintf(duration,MAXBUF,"%lu",ServerInstance->Duration(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
ServerInstance->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(ServerInstance->Config->ServerName, "NOTICE %s :%s added a timed ban on %s lasting for %s seconds.", channel->name, user->nick, mask.c_str(), duration);
return CMD_SUCCESS;
}
return CMD_FAILURE;
}
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 CMD_FAILURE;
}
user->WriteServ("401 %s %s :No such channel",user->nick, parameters[0]);
return CMD_FAILURE;
}
};
class ModuleTimedBans : public Module
{
cmd_tban* mycommand;
public:
ModuleTimedBans(InspIRCd* Me)
: Module::Module(Me)
{
mycommand = new cmd_tban(ServerInstance);
ServerInstance->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)
{
irc::string listitem = banmask.c_str();
irc::string thischan = chan->name;
for (timedbans::iterator i = TimedBanList.begin(); i < TimedBanList.end(); i++)
{
irc::string target = i->mask.c_str();
irc::string tchan = i->channel.c_str();
if ((listitem == target) && (tchan == thischan))
{
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 = ServerInstance->FindChan(i->channel);
again = true;
if (cr)
{
cr->WriteChannelWithServ(ServerInstance->Config->ServerName, "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(ServerInstance);
temp->SetFd(FD_MAGIC_NUMBER);
/* FIX: Send mode remotely*/
std::deque<std::string> n;
n.push_back(setban[0]);
n.push_back("-b");
n.push_back(setban[2]);
ServerInstance->SendMode(setban,3,temp);
Event rmode((char *)&n, NULL, "send_mode");
rmode.Send(ServerInstance);
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(1,1,0,0,VF_VENDOR,API_VERSION);
}
};
class ModuleTimedBansFactory : public ModuleFactory
{
public:
ModuleTimedBansFactory()
{
}
~ModuleTimedBansFactory()
{
}
virtual Module * CreateModule(InspIRCd* Me)
{
return new ModuleTimedBans(Me);
}
};
extern "C" void * init_module( void )
{
return new ModuleTimedBansFactory;
}
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