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/* Support for a dancer-style /remove command, an alternative to /kick to try and avoid auto-rejoin-on-kick scripts */
/* Written by Om, 25-03-05 */
using namespace std;
#include <stdio.h>
#include <string>
#include "users.h"
#include "channels.h"
#include "modules.h"
#include "helperfuncs.h"
/* $ModDesc: Provides a /remove command, this is mostly an alternative to /kick, except makes users appear to have parted the channel */
/*
* This module supports the use of the +q and +a usermodes, but should work without them too.
* Usage of the command is restricted to +hoaq, and you cannot remove a user with a "higher" level than yourself.
* eg: +h can remove +hv and users with no modes. +a can remove +aohv and users with no modes.
*/
static Server *Srv;
/* This little function just converts a chanmode character (~ & @ & +) into an integer (5 4 3 2 1) */
/* XXX - this could be handy in the core, so it can be used elsewhere */
int chartolevel(std::string &privs)
{
const char* n = privs.c_str();
switch (*n)
{
case '~':
return 5;
break;
case '&':
return 4;
break;
case '@':
return 3;
break;
case '%':
return 2;
break;
default:
return 1;
break;
}
return 1;
}
class cmd_remove : public command_t
{
public:
cmd_remove () : command_t("REMOVE", 0, 2)
{
this->source = "m_remove.so";
}
void Handle (char **parameters, int pcnt, userrec *user)
{
/* Look up the user we're meant to be removing from the channel */
userrec* target = Srv->FindNick(std::string(parameters[0]));
/* And the channel we're meant to be removing them from */
chanrec* channel = Srv->FindChannel(std::string(parameters[1]));
/* Fix by brain - someone needs to learn to validate their input! */
if (!target || !channel)
{
WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, !target ? parameters[0] : parameters[1]);
return;
}
/* And see if the person calling the command has access to use it on the channel */
std::string privs = Srv->ChanMode(user, channel);
/* Check what privs the person being removed has */
std::string targetprivs = Srv->ChanMode(target, channel);
int tlevel;
int ulevel;
int n = 2;
std::string result;
/* This turns all the parameters after the first two into a single string, so the part reason can be multi-word */
while (n < pcnt)
{
result=result + std::string(" ") + std::string(parameters[n]);
n++;
}
/* If the target nick exists... */
if (target && channel)
{
for (unsigned int x = 0; x < strlen(parameters[1]); x++)
{
if ((parameters[1][0] != '#') || (parameters[1][x] == ' ') || (parameters[1][x] == ','))
{
Srv->SendTo(NULL,user,"NOTICE "+std::string(user->nick)+" :*** Invalid characters in channel name");
return;
}
}
/* This is adding support for the +q and +a channel modes, basically if they are enabled, and the remover has them set. */
/* Then we change the @|%|+ to & if they are +a, or ~ if they are +q */
if (user->GetExt("cm_protect_"+std::string(channel->name)))
privs = std::string("&");
if (user->GetExt("cm_founder_"+std::string(channel->name)))
privs = std::string("~");
/* Now it's the same idea, except for the target */
if (target->GetExt("cm_protect_"+std::string(channel->name)))
targetprivs = std::string("&");
if (target->GetExt("cm_founder_"+std::string(channel->name)))
targetprivs = std::string("~");
tlevel = chartolevel(targetprivs);
ulevel = chartolevel(privs);
/* If the user calling the command is either an admin, owner, operator or a half-operator on the channel */
if(ulevel > 1)
{
/* For now, we'll let everyone remove their level and below, eg ops can remove ops, halfops, voices, and those with no mode (no moders actually are set to 1) */
if(ulevel >= tlevel)
{
Srv->PartUserFromChannel(target,std::string(parameters[1]), "Removed by "+std::string(user->nick)+":"+result);
Srv->SendTo(NULL,user,"NOTICE "+std::string(channel->name)+" : "+std::string(user->nick)+" removed "+std::string(target->nick)+ " from the channel");
Srv->SendTo(NULL,target,"NOTICE "+std::string(target->nick)+" :*** "+std::string(user->nick)+" removed you from "+std::string(channel->name)+" with the message:"+std::string(result));
}
else
{
Srv->SendTo(NULL,user,"NOTICE "+std::string(user->nick)+" :*** You do not have access to remove "+std::string(target->nick)+" from the "+std::string(channel->name));
}
}
else
{
Srv->SendTo(NULL,user,"NOTICE "+std::string(user->nick)+" :*** You do not have access to use /remove on "+std::string(channel->name));
}
}
}
};
class ModuleRemove : public Module
{
cmd_remove* mycommand;
public:
ModuleRemove(Server* Me)
: Module::Module(Me)
{
Srv = Me;
mycommand = new cmd_remove();
Srv->AddCommand(mycommand);
}
void Implements(char* List)
{
List[I_On005Numeric] = 1;
}
virtual void On005Numeric(std::string &output)
{
output = output + std::string(" REMOVE");
}
virtual ~ModuleRemove()
{
}
virtual Version GetVersion()
{
return Version(1,0,0,1,VF_VENDOR);
}
};
// stuff down here is the module-factory stuff. For basic modules you can ignore this.
class ModuleRemoveFactory : public ModuleFactory
{
public:
ModuleRemoveFactory()
{
}
~ModuleRemoveFactory()
{
}
virtual Module * CreateModule(Server* Me)
{
return new ModuleRemove(Me);
}
};
extern "C" void * init_module( void )
{
return new ModuleRemoveFactory;
}
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