1 /* +------------------------------------+
\r * | Inspire Internet Relay Chat Daemon |
\r * +------------------------------------+
\r *
\r * InspIRCd: (C) 2002-2007 InspIRCd Development Team
\r * See: http://www.inspircd.org/wiki/index.php/Credits
\r *
\r * This program is free but copyrighted software; see
\r * the file COPYING for details.
\r *
\r * ---------------------------------------------------
\r */
\r\r#include "inspircd.h"
\r#include <algorithm>
\r#include "users.h"
\r#include "channels.h"
\r#include "modules.h"
\r#include "configreader.h"
\r\r/* $ModDesc: Gives /cban, aka C:lines. Think Q:lines, for channels. */
\r\r/** Holds a CBAN item
\r */
\rclass CBan : public classbase
\r{
\rpublic:
\r irc::string chname;
\r std::string set_by;
\r time_t set_on;
\r long length;
\r std::string reason;
\r\r CBan()
\r {
\r }
\r\r CBan(irc::string cn, std::string sb, time_t so, long ln, std::string rs) : chname(cn), set_by(sb), set_on(so), length(ln), reason(rs)
\r {
\r }
\r};
\r\rbool CBanComp(const CBan &ban1, const CBan &ban2);
\r\rtypedef std::vector<CBan> cbanlist;
\r\r/* cbans is declared here, as our type is right above. Don't try move it. */
\rcbanlist cbans;
\r\r/** Handle /CBAN
\r */
\rclass cmd_cban : public command_t
\r{
\r public:
\r cmd_cban(InspIRCd* Me) : command_t(Me, "CBAN", 'o', 1)
\r {
\r this->source = "m_cban.so";
\r this->syntax = "<channel> [<duration> :<reason>]";
\r }
\r\r CmdResult Handle(const char** parameters, int pcnt, userrec *user)
\r {
\r /* syntax: CBAN #channel time :reason goes here */
\r /* 'time' is a human-readable timestring, like 2d3h2s. */
\r\r if(pcnt == 1)
\r {
\r /* form: CBAN #channel removes a CBAN */
\r for (cbanlist::iterator iter = cbans.begin(); iter != cbans.end(); iter++)
\r {
\r if (parameters[0] == iter->chname)
\r {
\r long remaining = iter->length + ServerInstance->Time();
\r user->WriteServ("386 %s %s :Removed CBAN due to expire at %s (%s)", user->nick, iter->chname.c_str(), ServerInstance->TimeString(remaining).c_str(), iter->reason.c_str());
\r cbans.erase(iter);
\r break;
\r }
\r }
\r }
\r else if (pcnt >= 2)
\r {
\r /* full form to add a CBAN */
\r if (ServerInstance->IsChannel(parameters[0]))
\r {
\r // parameters[0] = #channel
\r // parameters[1] = 1h3m2s
\r // parameters[2] = Tortoise abuser
\r long length = ServerInstance->Duration(parameters[1]);
\r std::string reason = (pcnt > 2) ? parameters[2] : "No reason supplied";
\r \r cbans.push_back(CBan(parameters[0], user->nick, ServerInstance->Time(), length, reason));
\r \r std::sort(cbans.begin(), cbans.end(), CBanComp);
\r \r if(length > 0)
\r {
\r user->WriteServ("385 %s %s :Added %lu second channel ban (%s)", user->nick, parameters[0], length, reason.c_str());
\r ServerInstance->WriteOpers("*** %s added %lu second channel ban on %s (%s)", user->nick, length, parameters[0], reason.c_str());
\r }
\r else
\r {
\r user->WriteServ("385 %s %s :Added permanent channel ban (%s)", user->nick, parameters[0], reason.c_str());
\r ServerInstance->WriteOpers("*** %s added permanent channel ban on %s (%s)", user->nick, parameters[0], reason.c_str());
\r }
\r }
\r else
\r {
\r user->WriteServ("403 %s %s :Invalid channel name", user->nick, parameters[0]);
\r return CMD_FAILURE;
\r }
\r }
\r\r /* we want this routed! */
\r return CMD_SUCCESS;
\r }
\r};
\r\rbool CBanComp(const CBan &ban1, const CBan &ban2)
\r{
\r return ((ban1.set_on + ban1.length) < (ban2.set_on + ban2.length));
\r}
\r\rclass ModuleCBan : public Module
\r{
\r cmd_cban* mycommand;
\r \r\r public:
\r ModuleCBan(InspIRCd* Me) : Module(Me)
\r {
\r \r mycommand = new cmd_cban(Me);
\r ServerInstance->AddCommand(mycommand);
\r }
\r\r void Implements(char* List)
\r {
\r List[I_OnUserPreJoin] = List[I_OnSyncOtherMetaData] = List[I_OnDecodeMetaData] = List[I_OnStats] = 1;
\r }
\r \r virtual int OnStats(char symbol, userrec* user, string_list &results)
\r {
\r ExpireBans();
\r \r if(symbol == 'C')
\r {
\r for(cbanlist::iterator iter = cbans.begin(); iter != cbans.end(); iter++)
\r {
\r unsigned long remaining = (iter->set_on + iter->length) - ServerInstance->Time();
\r results.push_back(std::string(ServerInstance->Config->ServerName)+" 210 "+user->nick+" "+iter->chname.c_str()+" "+iter->set_by+" "+ConvToStr(iter->set_on)+" "+ConvToStr(iter->length)+" "+ConvToStr(remaining)+" :"+iter->reason);
\r }
\r }
\r \r return 0;
\r }
\r\r virtual int OnUserPreJoin(userrec *user, chanrec *chan, const char *cname, std::string &privs)
\r {
\r ExpireBans();
\r \r /* check cbans in here, and apply as necessary. */
\r for(cbanlist::iterator iter = cbans.begin(); iter != cbans.end(); iter++)
\r {
\r if(iter->chname == cname && !user->modes[UM_OPERATOR])
\r {
\r // Channel is banned.
\r user->WriteServ( "384 %s %s :Cannot join channel, CBANed (%s)", user->nick, cname, iter->reason.c_str());
\r ServerInstance->WriteOpers("*** %s tried to join %s which is CBANed (%s)", user->nick, cname, iter->reason.c_str());
\r return 1;
\r }
\r }
\r return 0;
\r }
\r \r virtual void OnSyncOtherMetaData(Module* proto, void* opaque, bool displayable)
\r {
\r for(cbanlist::iterator iter = cbans.begin(); iter != cbans.end(); iter++)
\r {
\r proto->ProtoSendMetaData(opaque, TYPE_OTHER, NULL, "cban", EncodeCBan(*iter));
\r }
\r }
\r \r virtual void OnDecodeMetaData(int target_type, void* target, const std::string &extname, const std::string &extdata)
\r {
\r if((target_type == TYPE_OTHER) && (extname == "cban"))
\r {
\r cbans.push_back(DecodeCBan(extdata));
\r std::sort(cbans.begin(), cbans.end(), CBanComp);
\r }
\r }
\r\r virtual ~ModuleCBan()
\r {
\r }
\r \r virtual Version GetVersion()
\r {
\r return Version(1,1,0,1,VF_VENDOR,API_VERSION);
\r }
\r\r std::string EncodeCBan(const CBan &ban)
\r {
\r std::ostringstream stream;
\r stream << ban.chname << " " << ban.set_by << " " << ban.set_on << " " << ban.length << " :" << ban.reason;
\r return stream.str();
\r }
\r\r CBan DecodeCBan(const std::string &data)
\r {
\r CBan res;
\r int set_on;
\r irc::tokenstream tokens(data);
\r tokens.GetToken(res.chname);
\r tokens.GetToken(res.set_by);
\r tokens.GetToken(set_on);
\r res.set_on = set_on;
\r tokens.GetToken(res.length);
\r tokens.GetToken(res.reason);
\r return res;
\r }
\r\r void ExpireBans()
\r {
\r bool go_again = true;
\r\r while (go_again)
\r {
\r go_again = false;
\r \r for (cbanlist::iterator iter = cbans.begin(); iter != cbans.end(); iter++)
\r {
\r /* 0 == permanent, don't mess with them! -- w00t */
\r if (iter->length != 0)
\r {
\r if (iter->set_on + iter->length <= ServerInstance->Time())
\r {
\r ServerInstance->WriteOpers("*** %li second CBAN on %s (%s) set on %s expired", iter->length, iter->chname.c_str(), iter->reason.c_str(), ServerInstance->TimeString(iter->set_on).c_str());
\r cbans.erase(iter);
\r go_again = true;
\r }
\r }
\r \r if (go_again == true)
\r break;
\r }
\r }
\r }
\r};
\r\rMODULE_INIT(ModuleCBan)
\r\r
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