Portion of the IRCd v1.1b that handles channel functions.

exec/load/ircd_channel.js

+// $Id$
+//
+// ircd_channel.js                
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details:
+// http://www.gnu.org/licenses/gpl.txt
+//
+// Synchronet IRC Daemon as per RFC 1459, link compatible with Bahamut 1.4
+//
+// Copyright 2003 Randolph Erwin Sommerfeld <sysop@rrx.ca>
+//
+// ** Everything related to channels and their operation.
+//
+
+////////// Constants / Defines //////////
+const CHANNEL_REVISION = "$Revision$".split(' ')[1];
+
+const CHANMODE_NONE		=(1<<0); // NONE
+const CHANMODE_BAN		=(1<<1); // b
+const CHANMODE_INVITE		=(1<<2); // i
+const CHANMODE_KEY		=(1<<3); // k
+const CHANMODE_LIMIT		=(1<<4); // l
+const CHANMODE_MODERATED	=(1<<5); // m
+const CHANMODE_NOOUTSIDE	=(1<<6); // n
+const CHANMODE_OP		=(1<<7); // o
+const CHANMODE_PRIVATE		=(1<<8); // p
+const CHANMODE_SECRET		=(1<<9); // s
+const CHANMODE_TOPIC		=(1<<10); // t
+const CHANMODE_VOICE		=(1<<11); // v
+
+// These are used in the mode crunching section to figure out what character
+// to display in the crunched MODE line.
+function Mode (modechar,args,state,list,isnick) {
+	// The mode's character
+	this.modechar = modechar;
+	// Does this mode take a single argument only?
+	this.args = args;
+	// Is this mode a stateful mode? (i.e. changes channel behaviour)
+	this.state = state;
+	// Can this mode accept a list?
+	this.list = list;
+	// Is the list a nick (true), or a n!u@h IRC mask (false)?
+	this.isnick = isnick;
+}
+
+MODE = new Array();
+MODE[CHANMODE_BAN]		= new Mode("b",true,false,true,false);
+MODE[CHANMODE_INVITE]		= new Mode("i",false,true,false,false);
+MODE[CHANMODE_KEY]		= new Mode("k",true,true,false,false);
+MODE[CHANMODE_LIMIT]		= new Mode("l",true,true,false,false);
+MODE[CHANMODE_MODERATED]	= new Mode("m",false,true,false,false);
+MODE[CHANMODE_NOOUTSIDE]	= new Mode("n",false,true,false,false);
+MODE[CHANMODE_OP]		= new Mode("o",true,false,true,true);
+MODE[CHANMODE_PRIVATE]		= new Mode("p",false,true,false,false);
+MODE[CHANMODE_SECRET]		= new Mode("s",false,true,false,false);
+MODE[CHANMODE_TOPIC]		= new Mode("t",false,true,false,false);
+MODE[CHANMODE_VOICE]		= new Mode("v",true,false,true,true);
+
+////////// Objects //////////
+function Channel(nam) {
+	this.nam=nam;
+	this.mode=CHANMODE_NONE;
+	this.topic="";
+	this.topictime=0;
+	this.topicchangedby="";
+	this.arg = new Array;
+	this.arg[CHANMODE_LIMIT] = 0;
+	this.arg[CHANMODE_KEY] = "";
+	this.users=new Array;
+	this.modelist=new Array;
+	this.modelist[CHANMODE_OP]=new Array;
+	this.modelist[CHANMODE_VOICE]=new Array;
+	this.modelist[CHANMODE_BAN]=new Array;
+	this.bantime=new Array;
+	this.bancreator=new Array;
+	this.created=time();
+	this.chanmode=Channel_chanmode;
+	this.isbanned=Channel_isbanned;
+	this.count_modelist=Channel_count_modelist;
+	this.occupants=Channel_occupants;
+	this.match_list_mask=Channel_match_list_mask;
+}
+
+////////// Functions //////////
+
+function ChanMode_tweaktmpmode(tmp_bit,add) {
+	if (!this.chan.modelist[CHANMODE_OP][this.user.id] && 
+	    !this.user.server && !this.user.uline) {
+		this.user.numeric482(this.chan.nam);
+		return 0;
+	}
+	if (add) {
+		this.addbits|=tmp_bit;
+		this.delbits&=~tmp_bit;
+	} else {
+		this.addbits&=~tmp_bit;
+		this.delbits|=tmp_bit;
+	}
+}
+
+function ChanMode_tweaktmpmodelist(tmp_bit,add,arg) {
+	if (!this.chan.modelist[CHANMODE_OP][this.user.id] &&
+	    !this.user.server && !this.user.uline) {
+		this.user.numeric482(this.chan.nam);
+		return 0;
+	}
+	for (lstitem in this.tmplist[tmp_bit][add]) {
+		// Is this argument in our list for this mode already?
+		if (this.tmplist[tmp_bit][add][lstitem].toUpperCase() ==
+		    arg.toUpperCase())
+			return 0;
+	}
+	// It doesn't exist on our mode, push it in.
+	this.tmplist[tmp_bit][add].push(arg);
+	// Check for it against the other mode, and maybe nuke it.
+	var oadd;
+	if (add)
+		oadd = false;
+	else
+		oadd = true;
+	for (x in this.tmplist[tmp_bit][oadd]) {
+		if (this.tmplist[tmp_bit][oadd][x].toUpperCase() ==
+		    arg.toUpperCase()) {
+			delete this.tmplist[tmp_bit][oadd][x];
+			return 0;
+		}
+	}
+}
+
+function ChanMode_affect_mode_list(list_bit) {
+	var tmp_nick;
+	for (add in this.tmplist[list_bit]) {
+		for (z in this.tmplist[list_bit][add]) {
+			tmp_nick = Users[this.tmplist[list_bit][add][z].toUpperCase()];
+			if (!tmp_nick)
+				tmp_nick = search_nickbuf(this.tmplist[list_bit][add][z]);
+			if (tmp_nick && (add=="true") &&
+			    !this.chan.modelist[list_bit][tmp_nick.id]) {
+				this.addmodes += MODE[list_bit].modechar;
+				this.addmodeargs += " " + tmp_nick.nick;
+				this.chan.modelist[list_bit][tmp_nick.id] = tmp_nick;
+			} else if (tmp_nick && (add=="false") &&
+			    this.chan.modelist[list_bit][tmp_nick.id]) {
+				this.delmodes += MODE[list_bit].modechar;
+				this.delmodeargs += " " + tmp_nick.nick;
+				delete this.chan.modelist[list_bit][tmp_nick.id];
+			} else if (!tmp_nick && this.local) {
+				this.user.numeric401(this.tmplist[list_bit]
+					[add][z]);
+			}
+		}
+	}
+}
+
+function Channel_count_modelist(list_bit) {
+	var tmp_counter=0;
+	for (tmp_count in this.modelist[list_bit]) {
+		if (this.modelist[list_bit][tmp_count])
+			tmp_counter++;
+	}
+	return tmp_counter;
+}
+
+function Channel_chanmode(show_args) {
+	var tmp_mode = "+";
+	var tmp_extras = "";
+	if (this.mode&CHANMODE_INVITE)
+		tmp_mode += "i";
+	if (this.mode&CHANMODE_KEY) {
+		tmp_mode += "k";
+		if(show_args)
+			tmp_extras += " " + this.arg[CHANMODE_KEY];
+	}
+	if (this.mode&CHANMODE_LIMIT) {
+		tmp_mode += "l";
+		if(show_args)
+			tmp_extras += " " + this.arg[CHANMODE_LIMIT];
+	}
+	if (this.mode&CHANMODE_MODERATED)
+		tmp_mode += "m";
+	if (this.mode&CHANMODE_NOOUTSIDE)
+		tmp_mode += "n";
+	if (this.mode&CHANMODE_PRIVATE)
+		tmp_mode += "p";
+	if (this.mode&CHANMODE_SECRET)
+		tmp_mode += "s";
+	if (this.mode&CHANMODE_TOPIC)
+		tmp_mode += "t";
+	if (!tmp_extras)
+		tmp_extras = " ";
+	return tmp_mode + tmp_extras;
+}
+
+function Channel_isbanned(banned_nuh) {
+	for (this_ban in this.modelist[CHANMODE_BAN]) {
+		if(IRC_match(banned_nuh,this.modelist[CHANMODE_BAN][this_ban]))
+			return 1;
+	}
+	return 0;
+}
+
+function Channel_occupants() {
+	var chan_occupants="";
+	for(thisChannel_user in this.users) {
+		var Channel_user=this.users[thisChannel_user];
+		if (Channel_user.nick) {
+			if (chan_occupants)
+				chan_occupants += " ";
+			if (this.modelist[CHANMODE_OP][Channel_user.id])
+				chan_occupants += "@";
+			if (this.modelist[CHANMODE_VOICE][Channel_user.id])
+				chan_occupants += "+";
+			chan_occupants += Channel_user.nick;
+		}
+	}
+	return chan_occupants;
+}
+